Using fat mongoose for php bundle

use chunked encoding for directory listing

LICENSE

@@ -1,19 +1,16 @@
-Copyright (c) 2004-2010 Sergey Lyubka
+Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
+Copyright (c) 2013 Cesanta Software Limited
+All rights reserved
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
+This code is dual-licensed: you can redistribute it and/or modify
-of this software and associated documentation files (the "Software"), to deal
+it under the terms of the GNU General Public License version 2 as
-in the Software without restriction, including without limitation the rights
+published by the Free Software Foundation. For the terms of this
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+license, see http://www.gnu.org/licenses.
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in
+You are free to use this code under the terms of the GNU General
-all copies or substantial portions of the Software.
+Public License, but WITHOUT ANY WARRANTY; without even the implied
+warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU General Public License for more details.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+Alternatively, you can license this code under a commercial
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+license, as set out in http://cesanta.com/products.html.
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.

Makefile

@@ -1,146 +0,0 @@
-# This file is part of Mongoose project, http://code.google.com/p/mongoose
-# $Id: Makefile 473 2009-09-02 11:20:06Z valenok $
-
-PROG=	mongoose
-
-all:
-	@echo "make (linux|bsd|solaris|mac|windows|mingw)"
-
-# Possible COPT values: (in brackets are rough numbers for 'gcc -O2' on i386)
-# -DHAVE_MD5		- use system md5 library (-2kb)
-# -DNDEBUG		- strip off all debug code (-5kb)
-# -DDEBUG		- build debug version (very noisy) (+7kb)
-# -DNO_CGI		- disable CGI support (-5kb)
-# -DNO_SSL		- disable SSL functionality (-2kb)
-# -DCONFIG_FILE=\"file\" - use `file' as the default config file
-# -DHAVE_STRTOUI64	- use system strtoui64() function for strtoull()
-# -DSSL_LIB=\"libssl.so.<version>\" - use system versioned SSL shared object
-# -DCRYPTO_LIB=\"libcrypto.so.<version>\" - use system versioned CRYPTO so
-
-
-##########################################################################
-###                 UNIX build: linux, bsd, mac, rtems
-##########################################################################
-
-CFLAGS = -W -Wall -std=c99 -pedantic -O2 $(COPT)
-MAC_SHARED = -flat_namespace -bundle -undefined suppress
-LINFLAGS = -ldl -pthread $(CFLAGS)
-LIB = _$(PROG).so
-#CC = g++
-
-# Make sure that the compiler flags come last in the compilation string.
-# If not so, this can break some on some Linux distros which use
-# "-Wl,--as-needed" turned on by default  in cc command.
-# Also, this is turned in many other distros in static linkage builds.
-linux:
-	$(CC) mongoose.c -shared -fPIC -fpic -o $(LIB) $(LINFLAGS)
-	$(CC) mongoose.c main.c -o $(PROG) $(LINFLAGS)
-
-bsd:
-	$(CC) mongoose.c -shared -pthread -fpic -fPIC -o $(LIB) $(CFLAGS)
-	$(CC) mongoose.c main.c -pthread -o $(PROG) $(CFLAGS)
-
-mac:
-	$(CC) mongoose.c -pthread -o $(LIB) $(MAC_SHARED) $(CFLAGS)
-	$(CC) mongoose.c main.c -pthread -o $(PROG) $(CFLAGS)
-
-solaris:
-	gcc mongoose.c -pthread -lnsl \
-		-lsocket -fpic -fPIC -shared -o $(LIB) $(CFLAGS)
-	gcc mongoose.c main.c -pthread -lnsl -lsocket -o $(PROG) $(CFLAGS)
-
-
-##########################################################################
-###            WINDOWS build: Using Visual Studio or Mingw
-##########################################################################
-
-# Using Visual Studio 6.0. To build Mongoose:
-#  o  Set VC variable below to where VS 6.0 is installed on your system
-#  o  Run "PATH_TO_VC6\bin\nmake windows"
-
-VC=	z:
-CYA=	y:
-#DBG=	/Zi /DDEBUG /Od
-DBG=	/DNDEBUG /O1
-CL=	cl /MD /TC /nologo $(DBG) /Gz /W3 /DNO_SSL_DL
-GUILIB=	user32.lib shell32.lib
-LINK=	/link /incremental:no /libpath:$(VC)\lib /subsystem:windows \
-	ws2_32.lib advapi32.lib cyassl.lib
-CYAFL = /c /I $(CYA)/include -I $(CYA)/include/openssl \
-        /I $(CYA)/ctaocrypt/include /D _LIB /D OPENSSL_EXTRA
-
-CYASRC= \
-	$(CYA)/src/cyassl_int.c \
-	$(CYA)/src/cyassl_io.c \
-	$(CYA)/src/keys.c \
-	$(CYA)/src/tls.c \
-	$(CYA)/src/ssl.c \
-	$(CYA)/ctaocrypt/src/aes.c \
-	$(CYA)/ctaocrypt/src/arc4.c \
-	$(CYA)/ctaocrypt/src/asn.c \
-	$(CYA)/ctaocrypt/src/coding.c \
-	$(CYA)/ctaocrypt/src/ctc_asm.c \
-	$(CYA)/ctaocrypt/src/ctc_misc.c \
-	$(CYA)/ctaocrypt/src/cyassl_memory.c \
-	$(CYA)/ctaocrypt/src/des3.c \
-	$(CYA)/ctaocrypt/src/dh.c \
-	$(CYA)/ctaocrypt/src/dsa.c \
-	$(CYA)/ctaocrypt/src/ecc.c \
-	$(CYA)/ctaocrypt/src/hc128.c \
-	$(CYA)/ctaocrypt/src/hmac.c \
-	$(CYA)/ctaocrypt/src/integer.c \
-	$(CYA)/ctaocrypt/src/md4.c \
-	$(CYA)/ctaocrypt/src/md5.c \
-	$(CYA)/ctaocrypt/src/pwdbased.c \
-	$(CYA)/ctaocrypt/src/rabbit.c \
-	$(CYA)/ctaocrypt/src/random.c \
-	$(CYA)/ctaocrypt/src/ripemd.c \
-	$(CYA)/ctaocrypt/src/rsa.c \
-	$(CYA)/ctaocrypt/src/sha.c \
-	$(CYA)/ctaocrypt/src/sha256.c \
-	$(CYA)/ctaocrypt/src/sha512.c \
-	$(CYA)/ctaocrypt/src/tfm.c
-
-cyassl:
-	$(CL) $(CYASRC) $(CYAFL) $(DEF)
-	lib *.obj /out:cyassl.lib
-
-windows:
-	rc win32\res.rc
-	$(CL) main.c mongoose.c /GA $(LINK) win32\res.res \
-		$(GUILIB) /out:$(PROG).exe
-	$(CL) mongoose.c /GD $(LINK) /DLL /DEF:win32\dll.def /out:_$(PROG).dll
-
-# Build for Windows under MinGW
-#MINGWDBG= -DDEBUG -O0
-MINGWDBG= -DNDEBUG -Os
-#MINGWOPT= -W -Wall -mthreads -Wl,--subsystem,console $(MINGWDBG) -DHAVE_STDINT
-MINGWOPT= -W -Wall -mthreads -Wl,--subsystem,windows $(MINGWDBG)
-mingw:
-	windres win32\res.rc win32\res.o
-	gcc $(MINGWOPT) mongoose.c -lws2_32 \
-		-shared -Wl,--out-implib=$(PROG).lib -o _$(PROG).dll
-	gcc $(MINGWOPT) mongoose.c main.c win32\res.o -lws2_32 -ladvapi32 \
-		-o $(PROG).exe
-
-
-##########################################################################
-###            Manuals, cleanup, test, release
-##########################################################################
-
-man:
-	groff -man -T ascii mongoose.1 | col -b > mongoose.txt
-	groff -man -T ascii mongoose.1 | less
-
-# "TEST=unit make test" - perform unit test only
-# "TEST=embedded" - test embedded API by building and testing test/embed.c
-# "TEST=basic_tests" - perform basic tests only (no CGI, SSI..)
-test: do_test
-do_test:
-	perl test/test.pl $(TEST)
-
-release: clean
-	F=mongoose-`perl -lne '/define\s+MONGOOSE_VERSION\s+"(\S+)"/ and print $$1' mongoose.c`.tgz ; cd .. && tar -czf x mongoose/{LICENSE,Makefile,bindings,examples,test,win32,mongoose.c,mongoose.h,mongoose.1,main.c} && mv x mongoose/$$F
-
-clean:
-	rm -rf *.o *.core $(PROG) *.obj *.so $(PROG).txt *.dSYM *.tgz

README.md

@@ -0,0 +1,60 @@
+# Mongoose Web Server
+
+Mongoose is easy to use, powerful, embeddable web server.
+   * [Downloads](http://cesanta.com/#downloads)
+   * [Documentation](http://cesanta.com/#docs,Usage.md)
+   * [Mailing list](http://groups.google.com/group/mongoose-users)
+
+# Features
+
+- Works on Windows, Mac, UNIX/Linux, iPhone, Android, and many other platforms
+- CGI, SSL, Digest auth, Websocket, WEbDAV, Resumed download, URL rewrite, file blacklist, IP-based ACL, Windows service
+- Scripting and database support ([Lua](http://lua.org) +
+[Sqlite](http://sqlite.org), see
+[page.lp](https://github.com/cesanta/mongoose/blob/master/build/test/page.lp) ),
+  which provides ready to go, powerful web development platform in
+  one single-click executable with no dependencies
+- Simple and clean
+  [embedding API](https://github.com/cesanta/mongoose/blob/master/mongoose.h).
+  The source is in single
+  [mongoose.c](https://github.com/cesanta/mongoose/blob/master/mongoose.c) file
+  to make embedding easy
+- Extremely lightweight, has a core of under 40kB and tiny runtime footprint
+- Asyncronouns, non-blocking core supporting single- or multi-threaded usage
+- On the market since 2004, stable, mature and tested,
+  has several man-years invested in continuous improvement and refinement
+- Professional support and consultancy available from
+[Cesanta Software](http://cesanta.com), developer of Mongoose
+
+# Acknowledgements
+
+Mongoose made better thanks to the contribution of following people:
+
+Arnout Vandecappelle, Benoît Amiaux, Boris Pek, Cody Hanson, Colin Leitner,
+Daniel Oaks, Eric Bakan, Erik Oomen, Filipp Kovalev, Ger Hobbelt,
+Hendrik Polczynski, Igor Okulist, Jay, Joe Mucchiello, John Safranek,
+José Miguel Gonçalves, Shueng Chuan, Katerina Blinova, Konstantin Sorokin,
+Marin Atanasov, Matt Healy, Mitch Hendrickson, Nigel Stewart, Pavel Khlebovich,
+Sebastian Reinhard, Stefan Doehla, abadc0de, nullable.type,
+T.Barmann, D.Hughes, J.C.Sloan, R.Romeo, L.E.Spencer, S.Kotay, R.M.Shorter,
+W.Mar, J.Wilander, Santa from Memphis, S.Davies, C.Beck,
+O.M.Vilhunen, C.Radik, G.Woodcock, M.Szczepkowski,
+Eternal Lands Dev Team, T.Tollet, C.Tangerino, G.Karsai, A.Bourgett,
+C.Blakemore, D.Fonaryov, T.Andrle, O.IJsselmuiden, R.Womack, M.Tomlinson,
+A.Slåttå, L.Farrell, J.D.P.Ballestero, V.Albaev, B.Harker, T.Scheffel, H.Klein,
+R.Merit, T.Bennett, H.Solis, A.Zincenko, M.S., S.Krul, K.Cooke, S.McCallum,
+F.Morenius, and 10 others.
+
+# Licensing
+
+Mongoose is released under
+[GNU GPL v.2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html).
+Businesses have an option to get non-restrictive, royalty-free commercial
+license and professional support from
+[Cesanta Software](http://cesanta.com).
+
+[Frozen JSON parser](https://github.com/cesanta/frozen),
+[Super Light Regular Expression library](https://github.com/cesanta/slre),
+[Super Light DNS Resolver](https://github.com/cesanta/sldr)
+are other projects by Cesanta Software, developed with the same philosophy
+of functionality and simplicity.

bindings/csharp/example.cs

@@ -1,52 +0,0 @@
-// This is C# example on how to use Mongoose embeddable web server,
-// http://code.google.com/p/mongoose
-//
-// Before using the mongoose module, make sure that Mongoose shared library is
-// built and present in the current (or system library) directory
-
-using System;
-using System.Runtime.InteropServices;
-
-public class Program {
-
-	// This function is called when user types in his browser http://127.0.0.1:8080/foo
-	static private void UriHandler(MongooseConnection conn, MongooseRequestInfo ri) {
-		conn.write("HTTP/1.1 200 OK\r\n\r\n");
-		conn.write("Hello from C#!\n");
-		conn.write("Your user-agent is: " + conn.get_header("User-Agent") + "\n");
-	}
-
-    static private void UriDumpInfo(MongooseConnection conn, MongooseRequestInfo ri)
-    {
-        conn.write("HTTP/1.1 200 OK\r\nContent-Type: text/html\r\n\r\n");
-        conn.write("<html><body><head>Calling Info</head>");
-        conn.write("<p>Request: " + ri.request_method + "</p>");
-        conn.write("<p>URI: " + ri.uri + "</p>");
-        conn.write("<p>Query: " + ri.query_string + "</p>");
-        if (ri.post_data_len > 0) conn.write("<p>Post(" + ri.post_data_len + ")[@" + ri.post_data + "]: '" + Marshal.PtrToStringAnsi(ri.post_data) + "'</p>");
-        conn.write("<p>User:" + ri.remote_user + "</p>");
-        conn.write("<p>IP: " + ri.remote_ip + "</p>");
-        conn.write("<p>HTTP: " + ri.http_version + "</p>");
-        conn.write("<p>Port: " + ri.remote_port + "</p>");
-        conn.write("<p>NUM Headers: " + ri.num_headers + "</p>");
-        for (int i = 0; i < Math.Min(64, ri.num_headers); i++)
-        {
-            conn.write("<p>" + i + ":" + Marshal.PtrToStringAnsi(ri.http_headers[i].name)
-                + ":" + Marshal.PtrToStringAnsi(ri.http_headers[i].value) + "</p>");
-        }
-        conn.write("</body></html>");
-    }
-
-	static void Main() {
-		Mongoose web_server = new Mongoose();
-
-		// Set options and /foo URI handler
-		web_server.set_option("ports", "8080");
-		web_server.set_option("root", "c:\\");
-		web_server.set_uri_callback("/foo", new MongooseCallback(UriHandler));
-        web_server.set_uri_callback("/dumpinfo", new MongooseCallback(UriDumpInfo));
-
-		// Serve requests until user presses "enter" on a keyboard
-		Console.ReadLine();
-	}
-}

bindings/csharp/mongoose.cs

@@ -1,134 +0,0 @@
-//  Copyright (c) 2004-2009 Sergey Lyubka
-//
-//  Permission is hereby granted, free of charge, to any person obtaining a copy
-//  of this software and associated documentation files (the "Software"), to deal
-//  in the Software without restriction, including without limitation the rights
-//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-//  copies of the Software, and to permit persons to whom the Software is
-//  furnished to do so, subject to the following conditions:
-//
-//  The above copyright notice and this permission notice shall be included in
-//  all copies or substantial portions of the Software.
-//
-//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-//  THE SOFTWARE.
-//
-//  $Id: mongoose.cs 472 2009-08-30 22:40:29Z spsone1 $
-
-using System;
-using System.Runtime.InteropServices;
-
-
-[StructLayout(LayoutKind.Sequential)] public struct MongooseHeader {
-	public IntPtr	name;		// Using IntPtr here because if we use strings here,
-	public IntPtr	value;		// it won't be properly marshalled.
-};
-
-// This is "struct mg_request_info" from mongoose.h header file
-[StructLayout(LayoutKind.Sequential)] public struct MongooseRequestInfo {
-	public string	request_method;
-	public string	uri;
-	public string	http_version;
-	public string	query_string;
-	public IntPtr	post_data;
-	public string	remote_user;
-	public int	remote_ip; //int to match the 32bit declaration in c
-	public int	remote_port;
-	public int	post_data_len;
-	public int	status_code;
-	public int	num_headers;
-	[MarshalAs(UnmanagedType.ByValArray,SizeConst=64)] public MongooseHeader[] http_headers;
-};
-
-// This is a delegate for mg_callback_t from mongoose.h header file
-[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
-public delegate void MongooseCallback2(IntPtr conn, ref MongooseRequestInfo ri, IntPtr user_data);
-
-// This is a delegate to be used by the application
-public delegate void MongooseCallback(MongooseConnection conn, MongooseRequestInfo ri);
-
-public class Mongoose {
-	public string version;
-	private IntPtr ctx;
-    	//These two events are here to store a ref to the callbacks while they are over in unmanaged code. 
-    	private event MongooseCallback2 delegates2;
-    	private event MongooseCallback delegates1;
-
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern IntPtr	mg_start();
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern void	mg_stop(IntPtr ctx);
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern string	mg_version();
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern int	mg_set_option(IntPtr ctx, string name, string value);
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern string	mg_get_option(IntPtr ctx, string name);
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern void	mg_set_uri_callback(IntPtr ctx, string uri_regex, MulticastDelegate func, IntPtr data);
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern void	mg_set_log_callback(IntPtr ctx, MulticastDelegate func);
-
-	public Mongoose() {
-		ctx = mg_start();
-		version = mg_version();
-	}
-
-	~Mongoose() {
-		mg_stop(this.ctx);
-		this.ctx = IntPtr.Zero;
-	}
-
-	public int set_option(string option_name, string option_value) {
-		return mg_set_option(this.ctx, option_name, option_value);
-	}
-
-	public string get_option(string option_name) {
-		return mg_get_option(this.ctx, option_name);
-	}
-
-	public void set_uri_callback(string uri_regex, MongooseCallback func) {
-		// Build a closure around user function. Initialize connection object there which wraps
-		// mg_write() and other useful methods, and then call user specified handler.
-		MongooseCallback2 callback = delegate(IntPtr conn, ref MongooseRequestInfo ri, IntPtr user_data) {
-			MongooseConnection connection = new MongooseConnection(conn, this);
-			func(connection, ri);
-		};
-        	// store a reference to the callback so it won't be GC'ed while its over in unmanged code
-        	delegates2 += callback;
-		mg_set_uri_callback(this.ctx, uri_regex, callback, IntPtr.Zero);
-	}
-	
-	public void set_log_callback(MongooseCallback func) {
-		delegates1 += func;
-		mg_set_log_callback(this.ctx, func);
-	}
-}
-
-public class MongooseConnection {
-	public Mongoose	mongoose;
-	private IntPtr conn;
-
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern string	mg_get_header(IntPtr ctx, string name);
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern string	mg_get_var(IntPtr ctx, string name);
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] private static extern void	mg_free(IntPtr ptr);
-	[DllImport("_mongoose",CallingConvention=CallingConvention.Cdecl)] public static extern int	mg_write(IntPtr conn, string data, int length);
-
-	public MongooseConnection(IntPtr conn_, Mongoose mongoose_) {
-		mongoose = mongoose_;
-		conn = conn_;
-	}
-
-	public string get_header(string header_name) {
-		return mg_get_header(this.conn, header_name);
-	}
-
-	public string get_var(string header_name) {
-		string s = mg_get_var(this.conn, header_name);
-		string copy = "" + s;
-		mg_free(Marshal.StringToHGlobalAnsi(s));
-		return copy;
-	}
-
-	public int write(string data) {
-		return mg_write(this.conn, data, data.Length);
-	}
-}

bindings/python/example.py

@@ -1,63 +0,0 @@
-# This is Python example on how to use Mongoose embeddable web server,
-# http://code.google.com/p/mongoose
-#
-# Before using the mongoose module, make sure that Mongoose shared library is
-# built and present in the current (or system library) directory
-
-import mongoose
-import sys
-
-# Handle /show and /form URIs.
-def EventHandler(event, conn):
-    info = conn.info
-    if event == mongoose.HTTP_ERROR:
-        conn.printf('%s', 'HTTP/1.0 200 OK\r\n')
-        conn.printf('%s', 'Content-Type: text/plain\r\n\r\n')
-        conn.printf('HTTP error: %d\n', info.status_code)
-        return True
-    elif event == mongoose.NEW_REQUEST and info.uri == '/show':
-        conn.printf('%s', 'HTTP/1.0 200 OK\r\n')
-        conn.printf('%s', 'Content-Type: text/plain\r\n\r\n')
-        conn.printf('%s %s\n', info.request_method, info.uri)
-        if info.request_method == 'POST':
-            content_len = conn.get_header('Content-Length')
-            post_data = conn.read(int(content_len))
-            my_var = conn.get_var(post_data, 'my_var')
-        else:
-            my_var = conn.get_var(info.query_string, 'my_var')
-        conn.printf('my_var: %s\n', my_var or '<not set>')
-        conn.printf('HEADERS: \n')
-        for header in info.http_headers[:info.num_headers]:
-            conn.printf('  %s: %s\n', header.name, header.value)
-        return True
-    elif event == mongoose.NEW_REQUEST and info.uri == '/form':
-        conn.write('HTTP/1.0 200 OK\r\n'
-               'Content-Type: text/html\r\n\r\n'
-               'Use GET: <a href="/show?my_var=hello">link</a>'
-               '<form action="/show" method="POST">'
-               'Use POST: type text and submit: '
-               '<input type="text" name="my_var"/>'
-               '<input type="submit"/>'
-               '</form>')
-        return True
-    elif event == mongoose.NEW_REQUEST and info.uri == '/secret':
-        conn.send_file('/etc/passwd')
-        return True
-    else:
-        return False
-
-
-# Create mongoose object, and register '/foo' URI handler
-# List of options may be specified in the contructor
-server = mongoose.Mongoose(EventHandler,
-                           document_root='/tmp',
-                           listening_ports='8080')
-
-print ('Mongoose started on port %s, press enter to quit'
-       % server.get_option('listening_ports'))
-
-sys.stdin.read(1)
-
-# Deleting server object stops all serving threads
-print 'Stopping server.'
-del server

bindings/python/mongoose.py

@@ -1,160 +0,0 @@
-#  Copyright (c) 2004-2009 Sergey Lyubka
-#
-#  Permission is hereby granted, free of charge, to any person obtaining a copy
-#  of this software and associated documentation files (the "Software"), to deal
-#  in the Software without restriction, including without limitation the rights
-#  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-#  copies of the Software, and to permit persons to whom the Software is
-#  furnished to do so, subject to the following conditions:
-#
-#  The above copyright notice and this permission notice shall be included in
-#  all copies or substantial portions of the Software.
-#
-#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-#  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-#  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-#  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-#  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-#  THE SOFTWARE.
-#
-#  $Id: mongoose.py 471 2009-08-30 14:30:21Z valenok $
-
-"""
-This module provides python binding for the Mongoose web server.
-
-There are two classes defined:
-
-  Connection: - wraps all functions that accept struct mg_connection pointer
-  as first argument.
-
-  Mongoose: wraps all functions that accept struct mg_context pointer as
-  first argument.
-
-  Creating Mongoose object automatically starts server, deleting object
-  automatically stops it. There is no need to call mg_start() or mg_stop().
-"""
-
-
-import ctypes
-import os
-
-
-NEW_REQUEST = 0
-HTTP_ERROR = 1
-EVENT_LOG = 2
-INIT_SSL = 3
-
-
-class mg_header(ctypes.Structure):
-  """A wrapper for struct mg_header."""
-  _fields_ = [
-    ('name', ctypes.c_char_p),
-    ('value', ctypes.c_char_p),
-  ]
-
-
-class mg_request_info(ctypes.Structure):
-  """A wrapper for struct mg_request_info."""
-  _fields_ = [
-    ('user_data', ctypes.c_char_p),
-    ('request_method', ctypes.c_char_p),
-    ('uri', ctypes.c_char_p),
-    ('http_version', ctypes.c_char_p),
-    ('query_string', ctypes.c_char_p),
-    ('remote_user', ctypes.c_char_p),
-    ('log_message', ctypes.c_char_p),
-    ('remote_ip', ctypes.c_long),
-    ('remote_port', ctypes.c_int),
-    ('status_code', ctypes.c_int),
-    ('is_ssl', ctypes.c_int),
-    ('num_headers', ctypes.c_int),
-    ('http_headers', mg_header * 64),
-  ]
-
-
-mg_callback_t = ctypes.CFUNCTYPE(ctypes.c_void_p, ctypes.c_int, ctypes.c_void_p)
-
-
-class Connection(object):
-  """A wrapper class for all functions that take
-  struct mg_connection * as the first argument."""
-
-  def __init__(self, mongoose, connection):
-    self.m = mongoose
-    self.conn = ctypes.c_void_p(connection)
-    self.info = self.m.dll.mg_get_request_info(self.conn).contents
-
-  def get_header(self, name):
-    val = self.m.dll.mg_get_header(self.conn, name)
-    return ctypes.c_char_p(val).value
-
-  def get_var(self, data, name):
-    size = data and len(data) or 0
-    buf = ctypes.create_string_buffer(size)
-    n = self.m.dll.mg_get_var(data, size, name, buf, size)
-    return n >= 0 and buf or None
-
-  def printf(self, fmt, *args):
-    val = self.m.dll.mg_printf(self.conn, fmt, *args)
-    return ctypes.c_int(val).value
-
-  def write(self, data):
-    val = self.m.dll.mg_write(self.conn, data, len(data))
-    return ctypes.c_int(val).value
-
-  def read(self, size):
-    buf = ctypes.create_string_buffer(size)
-    n = self.m.dll.mg_read(self.conn, buf, size)
-    return n <= 0 and None or buf[:n]
-
-  def send_file(self, path):
-    self.m.dll.mg_send_file(self.conn, path)
-
-
-class Mongoose(object):
-  """A wrapper class for Mongoose shared library."""
-
-  def __init__(self, callback, **kwargs):
-    if os.name == 'nt':
-      self.dll = ctypes.WinDLL('_mongoose.dll')
-    else:
-      self.dll = ctypes.CDLL('_mongoose.so')
-
-    self.dll.mg_start.restype = ctypes.c_void_p
-    self.dll.mg_modify_passwords_file.restype = ctypes.c_int
-    self.dll.mg_read.restype = ctypes.c_int
-    self.dll.mg_write.restype = ctypes.c_int
-    self.dll.mg_printf.restype = ctypes.c_int
-    self.dll.mg_get_header.restype = ctypes.c_char_p
-    self.dll.mg_get_var.restype = ctypes.c_int
-    self.dll.mg_get_cookie.restype = ctypes.c_int
-    self.dll.mg_get_option.restype = ctypes.c_char_p
-    self.dll.mg_get_request_info.restype = ctypes.POINTER(mg_request_info)
-
-    if callback:
-      # Create a closure that will be called by the  shared library.
-      def func(event, connection):
-        # Wrap connection pointer into the connection
-        # object and call Python callback
-        conn = Connection(self, connection)
-        return callback(event, conn) and 1 or 0
-
-      # Convert the closure into C callable object
-      self.callback = mg_callback_t(func)
-      self.callback.restype = ctypes.c_char_p
-    else:
-      self.callback = ctypes.c_void_p(0)
-
-    args = [y for x in kwargs.items() for y in x] + [None]
-    options = (ctypes.c_char_p * len(args))(*args)
-
-    ret = self.dll.mg_start(self.callback, 0, options)
-    self.ctx = ctypes.c_void_p(ret)
-
-  def __del__(self):
-    """Destructor, stop Mongoose instance."""
-    self.dll.mg_stop(self.ctx)
-
-  def get_option(self, name):
-    return self.dll.mg_get_option(self.ctx, name)

build/Info.plist

@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+  <key>CFBundleExecutable</key> <string>Mongoose</string>
+  <key>CFBundlePackageType</key> <string>APPL</string>
+  <key>CFBundleTypeRole</key> <string>None</string>
+  <key>CFBundleIconFile</key> <string>mongoose.icns</string>
+  <key>LSUIElement</key> <true/>
+  <key>RunAtLoad</key> <true/>
+  <key>Label</key> <string>com.kolkin.mongoose</string>
+  <key>ProgramArguments</key> <array> </array>
+  <key>KeepAlive</key> <true/>
+</dict>
+</plist>

build/Makefile

@@ -0,0 +1,165 @@
+# This Makefile is part of Mongoose web server project,
+# https://github.com/valenok/mongoose
+#
+# This Makefile is GNU make compatible. You can get GNU Make from
+# http://gnuwin32.sourceforge.net/packages/make.htm
+
+PROG = mongoose
+EXE_SUFFIX =
+CFLAGS = -std=c99 -O2 -W -Wall -pedantic -pthread -pipe -I. -I.. $(CFLAGS_EXTRA)
+VERSION = $(shell perl -lne \
+            'print $$1 if /define\s+MONGOOSE_VERSION\s+"(\S+)"/' ../mongoose.h)
+VDIR = mongoose-$(VERSION)
+
+# Stock windows binary builds with Lua and YASSL library.
+YASSL       = ../../cyassl-2.4.6
+YASSL_FLAGS = -I $(YASSL) -I $(YASSL)/cyassl \
+              -D _LIB -D OPENSSL_EXTRA -D HAVE_ERRNO_H \
+              -D HAVE_GETHOSTBYNAME -D HAVE_INET_NTOA -D HAVE_LIMITS_H \
+              -D HAVE_MEMSET -D HAVE_SOCKET -D HAVE_STDDEF_H -D HAVE_STDLIB_H \
+              -D HAVE_STRING_H -D HAVE_SYS_STAT_H -D HAVE_SYS_TYPES_H
+YASSL_SOURCES = \
+  $(YASSL)/src/internal.c $(YASSL)/src/io.c $(YASSL)/src/keys.c \
+  $(YASSL)/src/ssl.c $(YASSL)/src/tls.c $(YASSL)/ctaocrypt/src/hmac.c \
+  $(YASSL)/ctaocrypt/src/random.c $(YASSL)/ctaocrypt/src/sha.c \
+  $(YASSL)/ctaocrypt/src/sha256.c $(YASSL)/ctaocrypt/src/logging.c \
+  $(YASSL)/ctaocrypt/src/error.c $(YASSL)/ctaocrypt/src/rsa.c \
+  $(YASSL)/ctaocrypt/src/des3.c $(YASSL)/ctaocrypt/src/asn.c \
+  $(YASSL)/ctaocrypt/src/coding.c $(YASSL)/ctaocrypt/src/arc4.c \
+  $(YASSL)/ctaocrypt/src/md4.c $(YASSL)/ctaocrypt/src/md5.c \
+  $(YASSL)/ctaocrypt/src/dh.c $(YASSL)/ctaocrypt/src/dsa.c \
+  $(YASSL)/ctaocrypt/src/pwdbased.c $(YASSL)/ctaocrypt/src/aes.c \
+  $(YASSL)/ctaocrypt/src/md2.c $(YASSL)/ctaocrypt/src/ripemd.c \
+  $(YASSL)/ctaocrypt/src/sha512.c $(YASSL)/src/sniffer.c \
+  $(YASSL)/ctaocrypt/src/rabbit.c $(YASSL)/ctaocrypt/src/misc.c \
+  $(YASSL)/ctaocrypt/src/tfm.c $(YASSL)/ctaocrypt/src/integer.c \
+  $(YASSL)/ctaocrypt/src/ecc.c $(YASSL)/src/ocsp.c $(YASSL)/src/crl.c \
+  $(YASSL)/ctaocrypt/src/hc128.c $(YASSL)/ctaocrypt/src/memory.c
+
+TINY_SOURCES = ../mongoose.c main.c
+LUA_SOURCES = $(TINY_SOURCES) lua_5.2.1.c
+LUA_SQLITE_SOURCES = $(LUA_SOURCES) sqlite3.c lsqlite3.c
+BIG_SOURCES = $(TINY_SOURCES) lua_5.2.1.c sqlite3.c lsqlite3.c $(YASSL_SOURCES)
+
+SQLITE_FLAGS = -DTHREADSAFE=1 -DSQLITE_ENABLE_FTS3 \
+               -DSQLITE_ENABLE_FTS3_PARENTHESIS
+LUA_FLAGS = -DUSE_LUA
+LUA_SQLITE_FLAGS = $(SQLITE_FLAGS) $(LUA_FLAGS) -DUSE_LUA_SQLITE3
+BIG_FLAGS = -DTHREADSAFE=1 -DSQLITE_ENABLE_FTS3 \
+	    -DSQLITE_ENABLE_FTS3_PARENTHESIS \
+	    -DUSE_LUA -DUSE_LUA_SQLITE3 -DUSE_SSL -DUSE_CYASSL $(YASSL_FLAGS)
+
+# Using Visual Studio 6.0. To build Mongoose:
+#  Set MSVC variable below to where VS 6.0 is installed on your system
+#  Run "PATH_TO_VC6\bin\nmake windows"
+MSVC = ../../vc6
+#DBG = /Zi /Od
+DBG  = /DNDEBUG /O1 $(CFLAGS_EXTRA)
+CL   = $(MSVC)/bin/cl /MD /TC /nologo $(DBG) /W3 /I$(MSVC)/include /I.. /I.
+LINK_FLAGS = /incremental:no /libpath:$(MSVC)/lib /machine:IX86 \
+            user32.lib shell32.lib comdlg32.lib ws2_32.lib advapi32.lib
+LINK = $(MSVC)/bin/link $(LINK_FLAGS)
+
+ifeq ($(OS), Windows_NT)
+  EXE_SUFFIX = .exe
+else
+  UNAME_S := $(shell uname -s)
+  ifeq ($(UNAME_S), Linux)
+    CFLAGS += -ldl -lm
+  endif
+endif
+
+all: mongoose$(EXE_SUFFIX)
+
+# Make sure that the compiler flags come last in the compilation string.
+# If not so, this can break some on some Linux distros which use
+# "-Wl,--as-needed" turned on by default  in cc command.
+# Also, this is turned in many other distros in static linkage builds.
+$(PROG): $(TINY_SOURCES)
+	$(CC) $(TINY_SOURCES) -o $@ $(CFLAGS)
+
+$(PROG)-lua: $(TINY_SOURCES) $(LUA_SOURCES)
+	$(CC) $(LUA_SOURCES) -o $@ $(LUA_FLAGS) $(CFLAGS)
+
+$(PROG)-lua-sqlite: $(LUA_SQLITE_SOURCES)
+	$(CC) $(LUA_SQLITE_SOURCES) -o $@ $(LUA_SQLITE_FLAGS) $(CFLAGS)
+
+$(PROG)-lua-sqlite-ssl: $(BIG_SOURCES)
+	$(CC) $(BIG_SOURCES) -o $@ $(BIG_FLAGS) $(CFLAGS)
+
+$(PROG)-big: $(BIG_SOURCES)
+	$(CC) $(BIG_SOURCES) -o $@ $(CFLAGS) $(BIG_FLAGS)
+
+unix_unit_test: $(LUA_SOURCES) Makefile ./test/unit_test.c
+	$(CC) ./test/unit_test.c lua_5.2.1.c $(CFLAGS) -g -O0 -o t && ./t
+
+# Windows build
+$(PROG)-lua-sqlite.exe: $(LUA_SQLITE_SOURCES)
+	$(MSVC)/bin/rc res.rc
+	$(CL) $(LUA_SQLITE_SOURCES) $(LUA_SQLITE_FLAGS) /link $(LINK_FLAGS) res.res /out:$@
+
+$(PROG)-lua-sqlite-ssl.exe: $(BIG_SOURCES)
+	$(MSVC)/bin/rc res.rc
+	$(CL) $(BIG_SOURCES) $(BIG_FLAGS) /link $(LINK_FLAGS) res.res /out:$@
+
+$(PROG)-lua.exe: $(LUA_SOURCES)
+	$(MSVC)/bin/rc res.rc
+	$(CL) $(LUA_SOURCES) $(LUA_FLAGS) /link $(LINK_FLAGS) res.res /out:$@
+
+$(PROG).exe: $(TINY_SOURCES)
+	$(MSVC)/bin/rc res.rc
+	$(CL) $(TINY_SOURCES) /link $(LINK_FLAGS) res.res /out:$@
+
+$(PROG).dll: $(TINY_SOURCES) Makefile
+	$(CL) ../mongoose.c /Gz /link $(LINK_FLAGS) /DLL /DEF:dll.def /out:$@
+
+# This is broken now due to SSL exclusion
+windows_unit_test.exe: ../mongoose.c Makefile
+	$(CL) ./test/unit_test.c lua_5.2.1.c  \
+          /link /libpath:$(MSVC)/lib advapi32.lib /out:$@
+	./$@
+
+# MacOS build with Cocoa GUI
+# For codesign to work in non-interactive mode, unlock login keychain:
+# security unlock ~/Library/Keychains/login.keychain
+# See e.g. http://lists.apple.com/archives/apple-cdsa/2008/Jan/msg00027.html
+macos: $(BIG_SOURCES)
+	DIR=dmg/Mongoose.app
+	rm -rf dmg
+	mkdir -p dmg/Mongoose.app/Contents/{MacOS,Resources}
+	install -m 644 *.icns *.png dmg/Mongoose.app/Contents/Resources/
+	install -m 644 Info.plist dmg/Mongoose.app/Contents/
+	$(CC) $(BIG_SOURCES) \
+  -DUSE_COCOA $(CFLAGS) $(BIG_FLAGS) -mmacosx-version-min=10.4 \
+  -framework Cocoa -ObjC -arch i386 -arch x86_64 \
+  -o dmg/Mongoose.app/Contents/MacOS/Mongoose
+	ln -fs /Applications dmg/
+	hdiutil create Mongoose-$(VERSION).dmg -volname "Mongoose $(VERSION)" \
+  -srcfolder dmg -ov
+	#rm -rf dmg
+
+tests:
+	perl ./test/test.pl $(TEST)
+
+tarball: clean
+	rm -rf $(VDIR)
+	install -d $(VDIR) $(VDIR)/docs $(VDIR)/examples
+	install -m 644 ../{LICENSE,README.md,mongoose.[ch]} $(VDIR)
+	install -m 644 ../docs/*.md $(VDIR)/docs
+	install -m 644 ../examples/{Makefile,*.c} $(VDIR)/examples
+	tar -czf $(VDIR).tgz $(VDIR)
+
+release: tarball macos
+	wine make mongoose.exe mongoose-lua-sqlite-ssl.exe
+	upx mongoose.exe
+	upx mongoose-lua-sqlite-ssl.exe
+	cp mongoose.exe mongoose-$(VERSION).exe
+	cp mongoose-lua-sqlite-ssl.exe mongoose-lua-sqlite-ssl-$(VERSION).exe
+	cp mongoose-lua-sqlite-ssl.exe mongoose_php_bundle/mongoose.exe
+	zip -r mongoose-php-$(VERSION).zip mongoose_php_bundle/
+
+clean:
+	cd ../examples && $(MAKE) clean
+	rm -rf *.o *.core $(PROG) *.obj *.so $(PROG).txt *.dSYM *.tgz \
+	$(PROG).exe *.dll *.lib res.o res.RES *.dSYM *.zip *.pdb \
+	*.exe *dmg* $(PROG)-* unix_unit_test

build/dll.def

@@ -13,3 +13,7 @@ EXPORTS
 	mg_version
 	mg_modify_passwords_file
 	mg_md5
+	mg_upload
+	mg_download
+	mg_send_file
+	mg_get_builtin_mime_type

build/jni/Android.mk

@@ -0,0 +1,12 @@
+LOCAL_PATH := $(call my-dir)/../..
+include $(CLEAR_VARS)
+
+# To build with lua support, uncomment two lines below:
+#LUA_SOURCES := build/lua_5.2.1.c build/sqlite3.c build/lsqlite3.c
+#LUA_FLAGS := -I$(LOCAL_PATH)/build -DTHREADSAFE=1 -DSQLITE_ENABLE_FTS3 -DSQLITE_ENABLE_FTS3_PARENTHESIS -DUSE_LUA -DUSE_LUA_SQLITE3 -DLUA_COMPAT_ALL -D"getlocaledecpoint() ='.'"
+
+LOCAL_CFLAGS    := -std=c99 -O2 -W -Wall -pthread -pipe $(LUA_FLAGS) $(COPT)
+LOCAL_MODULE    := mongoose
+LOCAL_SRC_FILES := build/main.c mongoose.c $(LUA_SOURCES)
+
+include $(BUILD_EXECUTABLE)

build/mongoose.ai

@@ -0,0 +1,589 @@
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build/res.rc

@@ -0,0 +1 @@
+100 ICON DISCARDABLE "systray.ico"

build/src/auth.c

@@ -0,0 +1,301 @@
+#include "internal.h"
+
+// Stringify binary data. Output buffer must be twice as big as input,
+// because each byte takes 2 bytes in string representation
+static void bin2str(char *to, const unsigned char *p, size_t len) {
+  static const char *hex = "0123456789abcdef";
+
+  for (; len--; p++) {
+    *to++ = hex[p[0] >> 4];
+    *to++ = hex[p[0] & 0x0f];
+  }
+  *to = '\0';
+}
+
+// Return stringified MD5 hash for list of strings. Buffer must be 33 bytes.
+char *mg_md5(char buf[33], ...) {
+  unsigned char hash[16];
+  const char *p;
+  va_list ap;
+  MD5_CTX ctx;
+
+  MD5Init(&ctx);
+
+  va_start(ap, buf);
+  while ((p = va_arg(ap, const char *)) != NULL) {
+    MD5Update(&ctx, (const unsigned char *) p, (unsigned) strlen(p));
+  }
+  va_end(ap);
+
+  MD5Final(hash, &ctx);
+  bin2str(buf, hash, sizeof(hash));
+  return buf;
+}
+
+// Check the user's password, return 1 if OK
+static int check_password(const char *method, const char *ha1, const char *uri,
+                          const char *nonce, const char *nc, const char *cnonce,
+                          const char *qop, const char *response) {
+  char ha2[32 + 1], expected_response[32 + 1];
+
+  // Some of the parameters may be NULL
+  if (method == NULL || nonce == NULL || nc == NULL || cnonce == NULL ||
+      qop == NULL || response == NULL) {
+    return 0;
+  }
+
+  // NOTE(lsm): due to a bug in MSIE, we do not compare the URI
+  // TODO(lsm): check for authentication timeout
+  if (// strcmp(dig->uri, c->ouri) != 0 ||
+      strlen(response) != 32
+      // || now - strtoul(dig->nonce, NULL, 10) > 3600
+      ) {
+    return 0;
+  }
+
+  mg_md5(ha2, method, ":", uri, NULL);
+  mg_md5(expected_response, ha1, ":", nonce, ":", nc,
+      ":", cnonce, ":", qop, ":", ha2, NULL);
+
+  return mg_strcasecmp(response, expected_response) == 0;
+}
+
+// Use the global passwords file, if specified by auth_gpass option,
+// or search for .htpasswd in the requested directory.
+static FILE *open_auth_file(struct mg_connection *conn, const char *path) {
+  char name[PATH_MAX];
+  const char *p, *e, *gpass = conn->ctx->config[GLOBAL_PASSWORDS_FILE];
+  struct file file = STRUCT_FILE_INITIALIZER;
+  FILE *fp = NULL;
+
+  if (gpass != NULL) {
+    // Use global passwords file
+    fp = mg_fopen(gpass, "r");
+    // Important: using local struct file to test path for is_directory flag.
+    // If filep is used, mg_stat() makes it appear as if auth file was opened.
+  } else if (mg_stat(path, &file) && file.is_directory) {
+    mg_snprintf(name, sizeof(name), "%s%c%s",
+                path, '/', PASSWORDS_FILE_NAME);
+    fp = mg_fopen(name, "r");
+  } else {
+     // Try to find .htpasswd in requested directory.
+    for (p = path, e = p + strlen(p) - 1; e > p; e--)
+      if (e[0] == '/')
+        break;
+    mg_snprintf(name, sizeof(name), "%.*s%c%s",
+                (int) (e - p), p, '/', PASSWORDS_FILE_NAME);
+    fp = mg_fopen(name, "r");
+  }
+
+  return fp;
+}
+
+// Parsed Authorization header
+struct ah {
+  char *user, *uri, *cnonce, *response, *qop, *nc, *nonce;
+};
+
+// Return 1 on success. Always initializes the ah structure.
+static int parse_auth_header(struct mg_connection *conn, char *buf,
+                             size_t buf_size, struct ah *ah) {
+  char *name, *value, *s;
+  const char *auth_header;
+
+  (void) memset(ah, 0, sizeof(*ah));
+  if ((auth_header = mg_get_header(conn, "Authorization")) == NULL ||
+      mg_strncasecmp(auth_header, "Digest ", 7) != 0) {
+    return 0;
+  }
+
+  // Make modifiable copy of the auth header
+  (void) mg_strlcpy(buf, auth_header + 7, buf_size);
+  s = buf;
+
+  // Parse authorization header
+  for (;;) {
+    // Gobble initial spaces
+    while (isspace(* (unsigned char *) s)) {
+      s++;
+    }
+    name = skip_quoted(&s, "=", " ", 0);
+    // Value is either quote-delimited, or ends at first comma or space.
+    if (s[0] == '\"') {
+      s++;
+      value = skip_quoted(&s, "\"", " ", '\\');
+      if (s[0] == ',') {
+        s++;
+      }
+    } else {
+      value = skip_quoted(&s, ", ", " ", 0);  // IE uses commas, FF uses spaces
+    }
+    if (*name == '\0') {
+      break;
+    }
+
+    if (!strcmp(name, "username")) {
+      ah->user = value;
+    } else if (!strcmp(name, "cnonce")) {
+      ah->cnonce = value;
+    } else if (!strcmp(name, "response")) {
+      ah->response = value;
+    } else if (!strcmp(name, "uri")) {
+      ah->uri = value;
+    } else if (!strcmp(name, "qop")) {
+      ah->qop = value;
+    } else if (!strcmp(name, "nc")) {
+      ah->nc = value;
+    } else if (!strcmp(name, "nonce")) {
+      ah->nonce = value;
+    }
+  }
+
+  // CGI needs it as REMOTE_USER
+  if (ah->user != NULL) {
+    conn->request_info.remote_user = mg_strdup(ah->user);
+  } else {
+    return 0;
+  }
+
+  return 1;
+}
+
+// Authorize against the opened passwords file. Return 1 if authorized.
+static int authorize(struct mg_connection *conn, FILE *fp) {
+  struct ah ah;
+  char line[256], f_user[256], ha1[256], f_domain[256], buf[MG_BUF_LEN];
+
+  if (!parse_auth_header(conn, buf, sizeof(buf), &ah)) {
+    return 0;
+  }
+
+  // Loop over passwords file
+  while (fgets(line, sizeof(line), fp) != NULL) {
+    if (sscanf(line, "%[^:]:%[^:]:%s", f_user, f_domain, ha1) != 3) {
+      continue;
+    }
+
+    if (!strcmp(ah.user, f_user) &&
+        !strcmp(conn->ctx->config[AUTHENTICATION_DOMAIN], f_domain))
+      return check_password(conn->request_info.request_method, ha1, ah.uri,
+                            ah.nonce, ah.nc, ah.cnonce, ah.qop, ah.response);
+  }
+
+  return 0;
+}
+
+// Return 1 if request is authorised, 0 otherwise.
+static int check_authorization(struct mg_connection *conn, const char *path) {
+  char fname[PATH_MAX];
+  struct vec uri_vec, filename_vec;
+  const char *list;
+  FILE *fp = NULL;
+  int authorized = 1;
+
+  list = conn->ctx->config[PROTECT_URI];
+  while ((list = next_option(list, &uri_vec, &filename_vec)) != NULL) {
+    if (!memcmp(conn->request_info.uri, uri_vec.ptr, uri_vec.len)) {
+      mg_snprintf(fname, sizeof(fname), "%.*s",
+                  (int) filename_vec.len, filename_vec.ptr);
+      fp = mg_fopen(fname, "r");
+      break;
+    }
+  }
+
+  if (fp == NULL) {
+    fp = open_auth_file(conn, path);
+  }
+
+  if (fp != NULL) {
+    authorized = authorize(conn, fp);
+    fclose(fp);
+  }
+
+  return authorized;
+}
+
+static void send_authorization_request(struct mg_connection *conn) {
+  conn->status_code = 401;
+  mg_printf(conn,
+            "HTTP/1.1 401 Unauthorized\r\n"
+            "Content-Length: 0\r\n"
+            "WWW-Authenticate: Digest qop=\"auth\", "
+            "realm=\"%s\", nonce=\"%lu\"\r\n\r\n",
+            conn->ctx->config[AUTHENTICATION_DOMAIN],
+            (unsigned long) time(NULL));
+}
+
+static int is_authorized_for_put(struct mg_connection *conn) {
+  const char *passfile = conn->ctx->config[PUT_DELETE_PASSWORDS_FILE];
+  FILE *fp;
+  int ret = 0;
+
+  if (passfile != NULL && (fp = mg_fopen(passfile, "r")) != NULL) {
+    ret = authorize(conn, fp);
+    fclose(fp);
+  }
+
+  return ret;
+}
+
+int mg_modify_passwords_file(const char *fname, const char *domain,
+                             const char *user, const char *pass) {
+  int found;
+  char line[512], u[512], d[512], ha1[33], tmp[PATH_MAX];
+  FILE *fp, *fp2;
+
+  found = 0;
+  fp = fp2 = NULL;
+
+  // Regard empty password as no password - remove user record.
+  if (pass != NULL && pass[0] == '\0') {
+    pass = NULL;
+  }
+
+  (void) snprintf(tmp, sizeof(tmp), "%s.tmp", fname);
+
+  // Create the file if does not exist
+  if ((fp = fopen(fname, "a+")) != NULL) {
+    fclose(fp);
+  }
+
+  // Open the given file and temporary file
+  if ((fp = fopen(fname, "r")) == NULL) {
+    return 0;
+  } else if ((fp2 = fopen(tmp, "w+")) == NULL) {
+    fclose(fp);
+    return 0;
+  }
+
+  // Copy the stuff to temporary file
+  while (fgets(line, sizeof(line), fp) != NULL) {
+    if (sscanf(line, "%[^:]:%[^:]:%*s", u, d) != 2) {
+      continue;
+    }
+
+    if (!strcmp(u, user) && !strcmp(d, domain)) {
+      found++;
+      if (pass != NULL) {
+        mg_md5(ha1, user, ":", domain, ":", pass, NULL);
+        fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
+      }
+    } else {
+      fprintf(fp2, "%s", line);
+    }
+  }
+
+  // If new user, just add it
+  if (!found && pass != NULL) {
+    mg_md5(ha1, user, ":", domain, ":", pass, NULL);
+    fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
+  }
+
+  // Close files
+  fclose(fp);
+  fclose(fp2);
+
+  // Put the temp file in place of real file
+  remove(fname);
+  rename(tmp, fname);
+
+  return 1;
+}

build/src/cgi.c

@@ -0,0 +1,384 @@
+#include "internal.h"
+
+static int forward_body_data(struct mg_connection *conn, FILE *fp,
+                             SOCKET sock, SSL *ssl) {
+  const char *expect, *body;
+  char buf[MG_BUF_LEN];
+  int nread, buffered_len, success = 0;
+  int64_t left;
+
+  expect = mg_get_header(conn, "Expect");
+  assert(fp != NULL);
+
+  if (conn->content_len == INT64_MAX) {
+    send_http_error(conn, 411, "Length Required", "%s", "");
+  } else if (expect != NULL && mg_strcasecmp(expect, "100-continue")) {
+    send_http_error(conn, 417, "Expectation Failed", "%s", "");
+  } else {
+    if (expect != NULL) {
+      (void) mg_printf(conn, "%s", "HTTP/1.1 100 Continue\r\n\r\n");
+    }
+
+    buffered_len = conn->data_len - conn->request_len;
+    body = conn->buf + conn->request_len;
+    assert(buffered_len >= 0);
+
+    if (buffered_len > 0) {
+      if ((int64_t) buffered_len > conn->content_len) {
+        buffered_len = (int) conn->content_len;
+      }
+      push(fp, sock, ssl, body, (int64_t) buffered_len);
+      memmove((char *) body, body + buffered_len, buffered_len);
+      conn->data_len -= buffered_len;
+    }
+
+    nread = 0;
+    while (conn->num_bytes_read < conn->content_len + conn->request_len) {
+      left = left_to_read(conn);
+      if (left > (int64_t) sizeof(buf)) {
+        left = sizeof(buf);
+      }
+      nread = pull(NULL, conn, buf, (int) left);
+      if (nread <= 0 || push(fp, sock, ssl, buf, nread) != nread) {
+        break;
+      }
+    }
+
+    if (left_to_read(conn) == 0) {
+      success = nread >= 0;
+    }
+
+    // Each error code path in this function must send an error
+    if (!success) {
+      send_http_error(conn, 577, http_500_error, "%s", "");
+    }
+  }
+
+  return success;
+}
+
+
+#if !defined(NO_CGI)
+// This structure helps to create an environment for the spawned CGI program.
+// Environment is an array of "VARIABLE=VALUE\0" ASCIIZ strings,
+// last element must be NULL.
+// However, on Windows there is a requirement that all these VARIABLE=VALUE\0
+// strings must reside in a contiguous buffer. The end of the buffer is
+// marked by two '\0' characters.
+// We satisfy both worlds: we create an envp array (which is vars), all
+// entries are actually pointers inside buf.
+struct cgi_env_block {
+  struct mg_connection *conn;
+  char buf[CGI_ENVIRONMENT_SIZE]; // Environment buffer
+  int len; // Space taken
+  char *vars[MAX_CGI_ENVIR_VARS]; // char **envp
+  int nvars; // Number of variables
+};
+
+static char *addenv(struct cgi_env_block *block,
+                    PRINTF_FORMAT_STRING(const char *fmt), ...)
+  PRINTF_ARGS(2, 3);
+
+// Append VARIABLE=VALUE\0 string to the buffer, and add a respective
+// pointer into the vars array.
+static char *addenv(struct cgi_env_block *block, const char *fmt, ...) {
+  int n, space;
+  char *added;
+  va_list ap;
+
+  // Calculate how much space is left in the buffer
+  space = sizeof(block->buf) - block->len - 2;
+  assert(space >= 0);
+
+  // Make a pointer to the free space int the buffer
+  added = block->buf + block->len;
+
+  // Copy VARIABLE=VALUE\0 string into the free space
+  va_start(ap, fmt);
+  n = mg_vsnprintf(added, (size_t) space, fmt, ap);
+  va_end(ap);
+
+  // Make sure we do not overflow buffer and the envp array
+  if (n > 0 && n + 1 < space &&
+      block->nvars < (int) ARRAY_SIZE(block->vars) - 2) {
+    // Append a pointer to the added string into the envp array
+    block->vars[block->nvars++] = added;
+    // Bump up used length counter. Include \0 terminator
+    block->len += n + 1;
+  } else {
+    cry(block->conn, "%s: CGI env buffer truncated for [%s]", __func__, fmt);
+  }
+
+  return added;
+}
+
+static void prepare_cgi_environment(struct mg_connection *conn,
+                                    const char *prog,
+                                    struct cgi_env_block *blk) {
+  const struct mg_request_info *ri = &conn->request_info;
+  const char *s, *slash;
+  struct vec var_vec;
+  char *p, src_addr[IP_ADDR_STR_LEN];
+  int  i;
+
+  blk->len = blk->nvars = 0;
+  blk->conn = conn;
+  sockaddr_to_string(src_addr, sizeof(src_addr), &conn->client.rsa);
+
+  addenv(blk, "SERVER_NAME=%s", conn->ctx->config[AUTHENTICATION_DOMAIN]);
+  addenv(blk, "SERVER_ROOT=%s", conn->ctx->config[DOCUMENT_ROOT]);
+  addenv(blk, "DOCUMENT_ROOT=%s", conn->ctx->config[DOCUMENT_ROOT]);
+  addenv(blk, "SERVER_SOFTWARE=%s/%s", "Mongoose", mg_version());
+
+  // Prepare the environment block
+  addenv(blk, "%s", "GATEWAY_INTERFACE=CGI/1.1");
+  addenv(blk, "%s", "SERVER_PROTOCOL=HTTP/1.1");
+  addenv(blk, "%s", "REDIRECT_STATUS=200"); // For PHP
+
+  // TODO(lsm): fix this for IPv6 case
+  addenv(blk, "SERVER_PORT=%d", ntohs(conn->client.lsa.sin.sin_port));
+
+  addenv(blk, "REQUEST_METHOD=%s", ri->request_method);
+  addenv(blk, "REMOTE_ADDR=%s", src_addr);
+  addenv(blk, "REMOTE_PORT=%d", ri->remote_port);
+  addenv(blk, "REQUEST_URI=%s%s%s", ri->uri,
+         ri->query_string == NULL ? "" : "?",
+         ri->query_string == NULL ? "" : ri->query_string);
+
+  // SCRIPT_NAME
+  if (conn->path_info != NULL) {
+    addenv(blk, "SCRIPT_NAME=%.*s",
+           (int) (strlen(ri->uri) - strlen(conn->path_info)), ri->uri);
+    addenv(blk, "PATH_INFO=%s", conn->path_info);
+  } else {
+    s = strrchr(prog, '/');
+    slash = strrchr(ri->uri, '/');
+    addenv(blk, "SCRIPT_NAME=%.*s%s",
+           slash == NULL ? 0 : (int) (slash - ri->uri), ri->uri,
+           s == NULL ? prog : s);
+  }
+
+  addenv(blk, "SCRIPT_FILENAME=%s", prog);
+  addenv(blk, "PATH_TRANSLATED=%s", prog);
+  addenv(blk, "HTTPS=%s", conn->ssl == NULL ? "off" : "on");
+
+  if ((s = mg_get_header(conn, "Content-Type")) != NULL)
+    addenv(blk, "CONTENT_TYPE=%s", s);
+
+  if (ri->query_string != NULL) {
+    addenv(blk, "QUERY_STRING=%s", ri->query_string);
+  }
+
+  if ((s = mg_get_header(conn, "Content-Length")) != NULL)
+    addenv(blk, "CONTENT_LENGTH=%s", s);
+
+  if ((s = getenv("PATH")) != NULL)
+    addenv(blk, "PATH=%s", s);
+
+#if defined(_WIN32)
+  if ((s = getenv("COMSPEC")) != NULL) {
+    addenv(blk, "COMSPEC=%s", s);
+  }
+  if ((s = getenv("SYSTEMROOT")) != NULL) {
+    addenv(blk, "SYSTEMROOT=%s", s);
+  }
+  if ((s = getenv("SystemDrive")) != NULL) {
+    addenv(blk, "SystemDrive=%s", s);
+  }
+  if ((s = getenv("ProgramFiles")) != NULL) {
+    addenv(blk, "ProgramFiles=%s", s);
+  }
+  if ((s = getenv("ProgramFiles(x86)")) != NULL) {
+    addenv(blk, "ProgramFiles(x86)=%s", s);
+  }
+  if ((s = getenv("CommonProgramFiles(x86)")) != NULL) {
+    addenv(blk, "CommonProgramFiles(x86)=%s", s);
+  }
+#else
+  if ((s = getenv("LD_LIBRARY_PATH")) != NULL)
+    addenv(blk, "LD_LIBRARY_PATH=%s", s);
+#endif // _WIN32
+
+  if ((s = getenv("PERLLIB")) != NULL)
+    addenv(blk, "PERLLIB=%s", s);
+
+  if (ri->remote_user != NULL) {
+    addenv(blk, "REMOTE_USER=%s", ri->remote_user);
+    addenv(blk, "%s", "AUTH_TYPE=Digest");
+  }
+
+  // Add all headers as HTTP_* variables
+  for (i = 0; i < ri->num_headers; i++) {
+    p = addenv(blk, "HTTP_%s=%s",
+        ri->http_headers[i].name, ri->http_headers[i].value);
+
+    // Convert variable name into uppercase, and change - to _
+    for (; *p != '=' && *p != '\0'; p++) {
+      if (*p == '-')
+        *p = '_';
+      *p = (char) toupper(* (unsigned char *) p);
+    }
+  }
+
+  // Add user-specified variables
+  s = conn->ctx->config[CGI_ENVIRONMENT];
+  while ((s = next_option(s, &var_vec, NULL)) != NULL) {
+    addenv(blk, "%.*s", (int) var_vec.len, var_vec.ptr);
+  }
+
+  blk->vars[blk->nvars++] = NULL;
+  blk->buf[blk->len++] = '\0';
+
+  assert(blk->nvars < (int) ARRAY_SIZE(blk->vars));
+  assert(blk->len > 0);
+  assert(blk->len < (int) sizeof(blk->buf));
+}
+
+static void handle_cgi_request(struct mg_connection *conn, const char *prog) {
+  int headers_len, data_len, i, fdin[2] = {-1, -1}, fdout[2] = {-1, -1};
+  const char *status, *status_text;
+  char buf[16384], *pbuf, dir[PATH_MAX], *p;
+  struct mg_request_info ri;
+  struct cgi_env_block blk;
+  FILE *in = NULL, *out = NULL;
+  pid_t pid = (pid_t) -1;
+
+  memset(&ri, 0, sizeof(ri));
+  prepare_cgi_environment(conn, prog, &blk);
+
+  // CGI must be executed in its own directory. 'dir' must point to the
+  // directory containing executable program, 'p' must point to the
+  // executable program name relative to 'dir'.
+  (void) mg_snprintf(dir, sizeof(dir), "%s", prog);
+  if ((p = strrchr(dir, '/')) != NULL) {
+    *p++ = '\0';
+  } else {
+    dir[0] = '.', dir[1] = '\0';
+    p = (char *) prog;
+  }
+
+  if (pipe(fdin) != 0 || pipe(fdout) != 0) {
+    send_http_error(conn, 500, http_500_error,
+        "Cannot create CGI pipe: %s", strerror(ERRNO));
+    goto done;
+  }
+
+  pid = spawn_process(conn, p, blk.buf, blk.vars, fdin[0], fdout[1], dir);
+  if (pid == (pid_t) -1) {
+    send_http_error(conn, 500, http_500_error,
+        "Cannot spawn CGI process [%s]: %s", prog, strerror(ERRNO));
+    goto done;
+  }
+
+  // Make sure child closes all pipe descriptors. It must dup them to 0,1
+  set_close_on_exec(fdin[0]);
+  set_close_on_exec(fdin[1]);
+  set_close_on_exec(fdout[0]);
+  set_close_on_exec(fdout[1]);
+
+  // Parent closes only one side of the pipes.
+  // If we don't mark them as closed, close() attempt before
+  // return from this function throws an exception on Windows.
+  // Windows does not like when closed descriptor is closed again.
+  (void) close(fdin[0]);
+  (void) close(fdout[1]);
+  fdin[0] = fdout[1] = -1;
+
+
+  if ((in = fdopen(fdin[1], "wb")) == NULL ||
+      (out = fdopen(fdout[0], "rb")) == NULL) {
+    send_http_error(conn, 500, http_500_error,
+        "fopen: %s", strerror(ERRNO));
+    goto done;
+  }
+
+  setbuf(in, NULL);
+  setbuf(out, NULL);
+
+  // Send POST data to the CGI process if needed
+  if (!strcmp(conn->request_info.request_method, "POST") &&
+      !forward_body_data(conn, in, INVALID_SOCKET, NULL)) {
+    goto done;
+  }
+
+  // Close so child gets an EOF.
+  fclose(in);
+  in = NULL;
+  fdin[1] = -1;
+
+  // Now read CGI reply into a buffer. We need to set correct
+  // status code, thus we need to see all HTTP headers first.
+  // Do not send anything back to client, until we buffer in all
+  // HTTP headers.
+  data_len = 0;
+  headers_len = read_request(out, conn, buf, sizeof(buf), &data_len);
+  if (headers_len <= 0) {
+    send_http_error(conn, 500, http_500_error,
+                    "CGI program sent malformed or too big (>%u bytes) "
+                    "HTTP headers: [%.*s]",
+                    (unsigned) sizeof(buf), data_len, buf);
+    goto done;
+  }
+  pbuf = buf;
+  buf[headers_len - 1] = '\0';
+  parse_http_headers(&pbuf, &ri);
+
+  // Make up and send the status line
+  status_text = "OK";
+  if ((status = get_header(&ri, "Status")) != NULL) {
+    conn->status_code = atoi(status);
+    status_text = status;
+    while (isdigit(* (unsigned char *) status_text) || *status_text == ' ') {
+      status_text++;
+    }
+  } else if (get_header(&ri, "Location") != NULL) {
+    conn->status_code = 302;
+  } else {
+    conn->status_code = 200;
+  }
+  if (get_header(&ri, "Connection") != NULL &&
+      !mg_strcasecmp(get_header(&ri, "Connection"), "keep-alive")) {
+    conn->must_close = 1;
+  }
+  (void) mg_printf(conn, "HTTP/1.1 %d %s\r\n", conn->status_code,
+                   status_text);
+
+  // Send headers
+  for (i = 0; i < ri.num_headers; i++) {
+    mg_printf(conn, "%s: %s\r\n",
+              ri.http_headers[i].name, ri.http_headers[i].value);
+  }
+  mg_write(conn, "\r\n", 2);
+
+  // Send chunk of data that may have been read after the headers
+  conn->num_bytes_sent += mg_write(conn, buf + headers_len,
+                                   (size_t)(data_len - headers_len));
+
+  // Read the rest of CGI output and send to the client
+  send_file_data(conn, out, 0, INT64_MAX);
+
+done:
+  if (pid != (pid_t) -1) {
+    kill(pid, SIGKILL);
+  }
+  if (fdin[0] != -1) {
+    close(fdin[0]);
+  }
+  if (fdout[1] != -1) {
+    close(fdout[1]);
+  }
+
+  if (in != NULL) {
+    fclose(in);
+  } else if (fdin[1] != -1) {
+    close(fdin[1]);
+  }
+
+  if (out != NULL) {
+    fclose(out);
+  } else if (fdout[0] != -1) {
+    close(fdout[0]);
+  }
+}
+#endif // !NO_CGI
+

build/src/core.h

@@ -0,0 +1,91 @@
+// Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
+// Copyright (c) 2013 Cesanta Software Limited
+// All rights reserved
+//
+// This library is dual-licensed: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation. For the terms of this
+// license, see <http://www.gnu.org/licenses/>.
+//
+// You are free to use this library under the terms of the GNU General
+// Public License, but WITHOUT ANY WARRANTY; without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// Alternatively, you can license this library under a commercial
+// license, as set out in <http://cesanta.com/products.html>.
+//
+// NOTE: Detailed API documentation is at http://cesanta.com/docs.html
+
+#ifndef MONGOOSE_HEADER_INCLUDED
+#define  MONGOOSE_HEADER_INCLUDED
+
+#include <stdio.h>      // required for FILE
+#include <stddef.h>     // required for size_t
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+// This structure contains information about HTTP request.
+struct mg_connection {
+  const char *request_method; // "GET", "POST", etc
+  const char *uri;            // URL-decoded URI
+  const char *http_version;   // E.g. "1.0", "1.1"
+  const char *query_string;   // URL part after '?', not including '?', or NULL
+
+  char remote_ip[48];         // Max IPv6 string length is 45 characters
+  int remote_port;            // Client's port
+
+  int num_headers;            // Number of HTTP headers
+  struct mg_header {
+    const char *name;         // HTTP header name
+    const char *value;        // HTTP header value
+  } http_headers[30];
+
+  char *content;              // POST (or websocket message) data, or NULL
+  int content_len;            // content length
+
+  int is_websocket;           // Connection is a websocket connection
+  int status_code;            // HTTP status code for HTTP error handler
+  unsigned char wsbits;       // First byte of the websocket frame
+  void *server_param;         // Parameter passed to mg_add_uri_handler()
+  void *connection_param;     // Placeholder for connection-specific data
+};
+
+struct mg_server; // Opaque structure describing server instance
+typedef int (*mg_handler_t)(struct mg_connection *);
+
+// Server management functions
+struct mg_server *mg_create_server(void *server_param);
+void mg_destroy_server(struct mg_server **);
+const char *mg_set_option(struct mg_server *, const char *opt, const char *val);
+void mg_poll_server(struct mg_server *, int milliseconds);
+void mg_add_uri_handler(struct mg_server *, const char *uri, mg_handler_t);
+void mg_set_error_handler(struct mg_server *, mg_handler_t);
+void mg_set_log_handler(struct mg_server*, mg_handler_t);
+const char **mg_get_valid_option_names(void);
+const char *mg_get_option(const struct mg_server *server, const char *name);
+int mg_iterate_over_connections(struct mg_server *,
+                                void (*func)(struct mg_connection *, void *),
+                                void *param);
+
+// Connection management functions
+int mg_write(struct mg_connection *, const void *buf, int len);
+int mg_websocket_write(struct mg_connection *, int opcode,
+                       const char *data, size_t data_len);
+
+const char *mg_get_header(const struct mg_connection *, const char *name);
+const char *mg_get_mime_type(const char *file_name);
+int mg_get_var(const struct mg_connection *conn, const char *var_name,
+               char *buf, size_t buf_len);
+int mg_parse_header(const char *hdr, const char *var_name, char *buf, size_t);
+
+// Utility functions
+int mg_start_thread(void *(*func)(void *), void *param);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // MONGOOSE_HEADER_INCLUDED

build/src/crypto.c

@@ -0,0 +1,196 @@
+static int is_big_endian(void) {
+  static const int n = 1;
+  return ((char *) &n)[0] == 0;
+}
+
+#ifndef HAVE_MD5
+typedef struct MD5Context {
+  uint32_t buf[4];
+  uint32_t bits[2];
+  unsigned char in[64];
+} MD5_CTX;
+
+static void byteReverse(unsigned char *buf, unsigned longs) {
+  uint32_t t;
+
+  // Forrest: MD5 expect LITTLE_ENDIAN, swap if BIG_ENDIAN
+  if (is_big_endian()) {
+    do {
+      t = (uint32_t) ((unsigned) buf[3] << 8 | buf[2]) << 16 |
+        ((unsigned) buf[1] << 8 | buf[0]);
+      * (uint32_t *) buf = t;
+      buf += 4;
+    } while (--longs);
+  }
+}
+
+#define F1(x, y, z) (z ^ (x & (y ^ z)))
+#define F2(x, y, z) F1(z, x, y)
+#define F3(x, y, z) (x ^ y ^ z)
+#define F4(x, y, z) (y ^ (x | ~z))
+
+#define MD5STEP(f, w, x, y, z, data, s) \
+  ( w += f(x, y, z) + data,  w = w<<s | w>>(32-s),  w += x )
+
+// Start MD5 accumulation.  Set bit count to 0 and buffer to mysterious
+// initialization constants.
+static void MD5Init(MD5_CTX *ctx) {
+  ctx->buf[0] = 0x67452301;
+  ctx->buf[1] = 0xefcdab89;
+  ctx->buf[2] = 0x98badcfe;
+  ctx->buf[3] = 0x10325476;
+
+  ctx->bits[0] = 0;
+  ctx->bits[1] = 0;
+}
+
+static void MD5Transform(uint32_t buf[4], uint32_t const in[16]) {
+  register uint32_t a, b, c, d;
+
+  a = buf[0];
+  b = buf[1];
+  c = buf[2];
+  d = buf[3];
+
+  MD5STEP(F1, a, b, c, d, in[0] + 0xd76aa478, 7);
+  MD5STEP(F1, d, a, b, c, in[1] + 0xe8c7b756, 12);
+  MD5STEP(F1, c, d, a, b, in[2] + 0x242070db, 17);
+  MD5STEP(F1, b, c, d, a, in[3] + 0xc1bdceee, 22);
+  MD5STEP(F1, a, b, c, d, in[4] + 0xf57c0faf, 7);
+  MD5STEP(F1, d, a, b, c, in[5] + 0x4787c62a, 12);
+  MD5STEP(F1, c, d, a, b, in[6] + 0xa8304613, 17);
+  MD5STEP(F1, b, c, d, a, in[7] + 0xfd469501, 22);
+  MD5STEP(F1, a, b, c, d, in[8] + 0x698098d8, 7);
+  MD5STEP(F1, d, a, b, c, in[9] + 0x8b44f7af, 12);
+  MD5STEP(F1, c, d, a, b, in[10] + 0xffff5bb1, 17);
+  MD5STEP(F1, b, c, d, a, in[11] + 0x895cd7be, 22);
+  MD5STEP(F1, a, b, c, d, in[12] + 0x6b901122, 7);
+  MD5STEP(F1, d, a, b, c, in[13] + 0xfd987193, 12);
+  MD5STEP(F1, c, d, a, b, in[14] + 0xa679438e, 17);
+  MD5STEP(F1, b, c, d, a, in[15] + 0x49b40821, 22);
+
+  MD5STEP(F2, a, b, c, d, in[1] + 0xf61e2562, 5);
+  MD5STEP(F2, d, a, b, c, in[6] + 0xc040b340, 9);
+  MD5STEP(F2, c, d, a, b, in[11] + 0x265e5a51, 14);
+  MD5STEP(F2, b, c, d, a, in[0] + 0xe9b6c7aa, 20);
+  MD5STEP(F2, a, b, c, d, in[5] + 0xd62f105d, 5);
+  MD5STEP(F2, d, a, b, c, in[10] + 0x02441453, 9);
+  MD5STEP(F2, c, d, a, b, in[15] + 0xd8a1e681, 14);
+  MD5STEP(F2, b, c, d, a, in[4] + 0xe7d3fbc8, 20);
+  MD5STEP(F2, a, b, c, d, in[9] + 0x21e1cde6, 5);
+  MD5STEP(F2, d, a, b, c, in[14] + 0xc33707d6, 9);
+  MD5STEP(F2, c, d, a, b, in[3] + 0xf4d50d87, 14);
+  MD5STEP(F2, b, c, d, a, in[8] + 0x455a14ed, 20);
+  MD5STEP(F2, a, b, c, d, in[13] + 0xa9e3e905, 5);
+  MD5STEP(F2, d, a, b, c, in[2] + 0xfcefa3f8, 9);
+  MD5STEP(F2, c, d, a, b, in[7] + 0x676f02d9, 14);
+  MD5STEP(F2, b, c, d, a, in[12] + 0x8d2a4c8a, 20);
+
+  MD5STEP(F3, a, b, c, d, in[5] + 0xfffa3942, 4);
+  MD5STEP(F3, d, a, b, c, in[8] + 0x8771f681, 11);
+  MD5STEP(F3, c, d, a, b, in[11] + 0x6d9d6122, 16);
+  MD5STEP(F3, b, c, d, a, in[14] + 0xfde5380c, 23);
+  MD5STEP(F3, a, b, c, d, in[1] + 0xa4beea44, 4);
+  MD5STEP(F3, d, a, b, c, in[4] + 0x4bdecfa9, 11);
+  MD5STEP(F3, c, d, a, b, in[7] + 0xf6bb4b60, 16);
+  MD5STEP(F3, b, c, d, a, in[10] + 0xbebfbc70, 23);
+  MD5STEP(F3, a, b, c, d, in[13] + 0x289b7ec6, 4);
+  MD5STEP(F3, d, a, b, c, in[0] + 0xeaa127fa, 11);
+  MD5STEP(F3, c, d, a, b, in[3] + 0xd4ef3085, 16);
+  MD5STEP(F3, b, c, d, a, in[6] + 0x04881d05, 23);
+  MD5STEP(F3, a, b, c, d, in[9] + 0xd9d4d039, 4);
+  MD5STEP(F3, d, a, b, c, in[12] + 0xe6db99e5, 11);
+  MD5STEP(F3, c, d, a, b, in[15] + 0x1fa27cf8, 16);
+  MD5STEP(F3, b, c, d, a, in[2] + 0xc4ac5665, 23);
+
+  MD5STEP(F4, a, b, c, d, in[0] + 0xf4292244, 6);
+  MD5STEP(F4, d, a, b, c, in[7] + 0x432aff97, 10);
+  MD5STEP(F4, c, d, a, b, in[14] + 0xab9423a7, 15);
+  MD5STEP(F4, b, c, d, a, in[5] + 0xfc93a039, 21);
+  MD5STEP(F4, a, b, c, d, in[12] + 0x655b59c3, 6);
+  MD5STEP(F4, d, a, b, c, in[3] + 0x8f0ccc92, 10);
+  MD5STEP(F4, c, d, a, b, in[10] + 0xffeff47d, 15);
+  MD5STEP(F4, b, c, d, a, in[1] + 0x85845dd1, 21);
+  MD5STEP(F4, a, b, c, d, in[8] + 0x6fa87e4f, 6);
+  MD5STEP(F4, d, a, b, c, in[15] + 0xfe2ce6e0, 10);
+  MD5STEP(F4, c, d, a, b, in[6] + 0xa3014314, 15);
+  MD5STEP(F4, b, c, d, a, in[13] + 0x4e0811a1, 21);
+  MD5STEP(F4, a, b, c, d, in[4] + 0xf7537e82, 6);
+  MD5STEP(F4, d, a, b, c, in[11] + 0xbd3af235, 10);
+  MD5STEP(F4, c, d, a, b, in[2] + 0x2ad7d2bb, 15);
+  MD5STEP(F4, b, c, d, a, in[9] + 0xeb86d391, 21);
+
+  buf[0] += a;
+  buf[1] += b;
+  buf[2] += c;
+  buf[3] += d;
+}
+
+static void MD5Update(MD5_CTX *ctx, unsigned char const *buf, unsigned len) {
+  uint32_t t;
+
+  t = ctx->bits[0];
+  if ((ctx->bits[0] = t + ((uint32_t) len << 3)) < t)
+    ctx->bits[1]++;
+  ctx->bits[1] += len >> 29;
+
+  t = (t >> 3) & 0x3f;
+
+  if (t) {
+    unsigned char *p = (unsigned char *) ctx->in + t;
+
+    t = 64 - t;
+    if (len < t) {
+      memcpy(p, buf, len);
+      return;
+    }
+    memcpy(p, buf, t);
+    byteReverse(ctx->in, 16);
+    MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+    buf += t;
+    len -= t;
+  }
+
+  while (len >= 64) {
+    memcpy(ctx->in, buf, 64);
+    byteReverse(ctx->in, 16);
+    MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+    buf += 64;
+    len -= 64;
+  }
+
+  memcpy(ctx->in, buf, len);
+}
+
+static void MD5Final(unsigned char digest[16], MD5_CTX *ctx) {
+  unsigned count;
+  unsigned char *p;
+  uint32_t *a;
+
+  count = (ctx->bits[0] >> 3) & 0x3F;
+
+  p = ctx->in + count;
+  *p++ = 0x80;
+  count = 64 - 1 - count;
+  if (count < 8) {
+    memset(p, 0, count);
+    byteReverse(ctx->in, 16);
+    MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+    memset(ctx->in, 0, 56);
+  } else {
+    memset(p, 0, count - 8);
+  }
+  byteReverse(ctx->in, 14);
+
+  a = (uint32_t *)ctx->in;
+  a[14] = ctx->bits[0];
+  a[15] = ctx->bits[1];
+
+  MD5Transform(ctx->buf, (uint32_t *) ctx->in);
+  byteReverse((unsigned char *) ctx->buf, 4);
+  memcpy(digest, ctx->buf, 16);
+  memset((char *) ctx, 0, sizeof(*ctx));
+}
+#endif // !HAVE_MD5
+
+

build/src/directory.c

@@ -0,0 +1,271 @@
+#include "internal.h"
+
+static void print_dir_entry(const struct de *de) {
+  char size[64], mod[64], href[PATH_MAX * 3];
+  const char *slash = de->file.is_directory ? "/" : "";
+
+  if (de->file.is_directory) {
+    mg_snprintf(size, sizeof(size), "%s", "[DIRECTORY]");
+  } else {
+     // We use (signed) cast below because MSVC 6 compiler cannot
+     // convert unsigned __int64 to double. Sigh.
+    if (de->file.size < 1024) {
+      mg_snprintf(size, sizeof(size), "%d", (int) de->file.size);
+    } else if (de->file.size < 0x100000) {
+      mg_snprintf(size, sizeof(size),
+                  "%.1fk", (double) de->file.size / 1024.0);
+    } else if (de->file.size < 0x40000000) {
+      mg_snprintf(size, sizeof(size),
+                  "%.1fM", (double) de->file.size / 1048576);
+    } else {
+      mg_snprintf(size, sizeof(size),
+                  "%.1fG", (double) de->file.size / 1073741824);
+    }
+  }
+  strftime(mod, sizeof(mod), "%d-%b-%Y %H:%M",
+           localtime(&de->file.modification_time));
+  mg_url_encode(de->file_name, href, sizeof(href));
+  de->conn->num_bytes_sent += mg_chunked_printf(de->conn,
+      "<tr><td><a href=\"%s%s%s\">%s%s</a></td>"
+      "<td>&nbsp;%s</td><td>&nbsp;&nbsp;%s</td></tr>\n",
+      de->conn->request_info.uri, href, slash, de->file_name, slash, mod, size);
+}
+
+// This function is called from send_directory() and used for
+// sorting directory entries by size, or name, or modification time.
+// On windows, __cdecl specification is needed in case if project is built
+// with __stdcall convention. qsort always requires __cdels callback.
+static int WINCDECL compare_dir_entries(const void *p1, const void *p2) {
+  const struct de *a = (const struct de *) p1, *b = (const struct de *) p2;
+  const char *query_string = a->conn->request_info.query_string;
+  int cmp_result = 0;
+
+  if (query_string == NULL) {
+    query_string = "na";
+  }
+
+  if (a->file.is_directory && !b->file.is_directory) {
+    return -1;  // Always put directories on top
+  } else if (!a->file.is_directory && b->file.is_directory) {
+    return 1;   // Always put directories on top
+  } else if (*query_string == 'n') {
+    cmp_result = strcmp(a->file_name, b->file_name);
+  } else if (*query_string == 's') {
+    cmp_result = a->file.size == b->file.size ? 0 :
+      a->file.size > b->file.size ? 1 : -1;
+  } else if (*query_string == 'd') {
+    cmp_result = a->file.modification_time == b->file.modification_time ? 0 :
+      a->file.modification_time > b->file.modification_time ? 1 : -1;
+  }
+
+  return query_string[1] == 'd' ? -cmp_result : cmp_result;
+}
+
+static int must_hide_file(struct mg_connection *conn, const char *path) {
+  const char *pw_pattern = "**" PASSWORDS_FILE_NAME "$";
+  const char *pattern = conn->ctx->config[HIDE_FILES];
+  return match_prefix(pw_pattern, strlen(pw_pattern), path) > 0 ||
+    (pattern != NULL && match_prefix(pattern, strlen(pattern), path) > 0);
+}
+
+static int scan_directory(struct mg_connection *conn, const char *dir,
+                          void *data, void (*cb)(struct de *, void *)) {
+  char path[PATH_MAX];
+  struct dirent *dp;
+  DIR *dirp;
+  struct de de;
+
+  if ((dirp = opendir(dir)) == NULL) {
+    return 0;
+  } else {
+    de.conn = conn;
+
+    while ((dp = readdir(dirp)) != NULL) {
+      // Do not show current dir and hidden files
+      if (!strcmp(dp->d_name, ".") ||
+          !strcmp(dp->d_name, "..") ||
+          must_hide_file(conn, dp->d_name)) {
+        continue;
+      }
+
+      mg_snprintf(path, sizeof(path), "%s%c%s", dir, '/', dp->d_name);
+
+      // If we don't memset stat structure to zero, mtime will have
+      // garbage and strftime() will segfault later on in
+      // print_dir_entry(). memset is required only if mg_stat()
+      // fails. For more details, see
+      // http://code.google.com/p/mongoose/issues/detail?id=79
+      memset(&de.file, 0, sizeof(de.file));
+      mg_stat(path, &de.file);
+
+      de.file_name = dp->d_name;
+      cb(&de, data);
+    }
+    (void) closedir(dirp);
+  }
+  return 1;
+}
+
+static int remove_directory(struct mg_connection *conn, const char *dir) {
+  char path[PATH_MAX];
+  struct dirent *dp;
+  DIR *dirp;
+  struct de de;
+
+  if ((dirp = opendir(dir)) == NULL) {
+    return 0;
+  } else {
+    de.conn = conn;
+
+    while ((dp = readdir(dirp)) != NULL) {
+      // Do not show current dir, but show hidden files
+      if (!strcmp(dp->d_name, ".") ||
+          !strcmp(dp->d_name, "..")) {
+        continue;
+      }
+
+      mg_snprintf(path, sizeof(path), "%s%c%s", dir, '/', dp->d_name);
+
+      // If we don't memset stat structure to zero, mtime will have
+      // garbage and strftime() will segfault later on in
+      // print_dir_entry(). memset is required only if mg_stat()
+      // fails. For more details, see
+      // http://code.google.com/p/mongoose/issues/detail?id=79
+      memset(&de.file, 0, sizeof(de.file));
+      mg_stat(path, &de.file);
+      if(de.file.modification_time) {
+          if(de.file.is_directory) {
+              remove_directory(conn, path);
+          } else {
+              mg_remove(path);
+          }
+      }
+
+    }
+    (void) closedir(dirp);
+
+    rmdir(dir);
+  }
+
+  return 1;
+}
+
+struct dir_scan_data {
+  struct de *entries;
+  int num_entries;
+  int arr_size;
+};
+
+// Behaves like realloc(), but frees original pointer on failure
+static void *realloc2(void *ptr, size_t size) {
+  void *new_ptr = realloc(ptr, size);
+  if (new_ptr == NULL) {
+    free(ptr);
+  }
+  return new_ptr;
+}
+
+static void dir_scan_callback(struct de *de, void *data) {
+  struct dir_scan_data *dsd = (struct dir_scan_data *) data;
+
+  if (dsd->entries == NULL || dsd->num_entries >= dsd->arr_size) {
+    dsd->arr_size *= 2;
+    dsd->entries = (struct de *) realloc2(dsd->entries, dsd->arr_size *
+                                          sizeof(dsd->entries[0]));
+  }
+  if (dsd->entries == NULL) {
+    // TODO(lsm): propagate an error to the caller
+    dsd->num_entries = 0;
+  } else {
+    dsd->entries[dsd->num_entries].file_name = mg_strdup(de->file_name);
+    dsd->entries[dsd->num_entries].file = de->file;
+    dsd->entries[dsd->num_entries].conn = de->conn;
+    dsd->num_entries++;
+  }
+}
+
+static void handle_directory_request(struct mg_connection *conn,
+                                     const char *dir) {
+  int i, sort_direction;
+  struct dir_scan_data data = { NULL, 0, 128 };
+
+  if (!scan_directory(conn, dir, &data, dir_scan_callback)) {
+    send_http_error(conn, 500, "Cannot open directory",
+                    "Error: opendir(%s): %s", dir, strerror(ERRNO));
+    return;
+  }
+
+  sort_direction = conn->request_info.query_string != NULL &&
+    conn->request_info.query_string[1] == 'd' ? 'a' : 'd';
+
+  conn->must_close = 1;
+  mg_printf(conn, "%s",
+            "HTTP/1.1 200 OK\r\n"
+            "Transfer-Encoding: Chunked\r\n"
+            "Content-Type: text/html; charset=utf-8\r\n\r\n");
+
+  conn->num_bytes_sent += mg_chunked_printf(conn,
+      "<html><head><title>Index of %s</title>"
+      "<style>th {text-align: left;}</style></head>"
+      "<body><h1>Index of %s</h1><pre><table cellpadding=\"0\">"
+      "<tr><th><a href=\"?n%c\">Name</a></th>"
+      "<th><a href=\"?d%c\">Modified</a></th>"
+      "<th><a href=\"?s%c\">Size</a></th></tr>"
+      "<tr><td colspan=\"3\"><hr></td></tr>",
+      conn->request_info.uri, conn->request_info.uri,
+      sort_direction, sort_direction, sort_direction);
+
+  // Print first entry - link to a parent directory
+  conn->num_bytes_sent += mg_chunked_printf(conn,
+      "<tr><td><a href=\"%s%s\">%s</a></td>"
+      "<td>&nbsp;%s</td><td>&nbsp;&nbsp;%s</td></tr>\n",
+      conn->request_info.uri, "..", "Parent directory", "-", "-");
+
+  // Sort and print directory entries
+  qsort(data.entries, (size_t) data.num_entries, sizeof(data.entries[0]),
+        compare_dir_entries);
+  for (i = 0; i < data.num_entries; i++) {
+    print_dir_entry(&data.entries[i]);
+    free(data.entries[i].file_name);
+  }
+  free(data.entries);
+
+  conn->num_bytes_sent += mg_chunked_printf(conn, "%s",
+                                            "</table></body></html>");
+  conn->num_bytes_sent += mg_write(conn, "0\r\n\r\n", 5);
+  conn->status_code = 200;
+}
+
+// For a given PUT path, create all intermediate subdirectories
+// for given path. Return 0 if the path itself is a directory,
+// or -1 on error, 1 if OK.
+static int put_dir(const char *path) {
+  char buf[PATH_MAX];
+  const char *s, *p;
+  struct file file = STRUCT_FILE_INITIALIZER;
+  int len, res = 1;
+
+  for (s = p = path + 2; (p = strchr(s, '/')) != NULL; s = ++p) {
+    len = p - path;
+    if (len >= (int) sizeof(buf)) {
+      res = -1;
+      break;
+    }
+    memcpy(buf, path, len);
+    buf[len] = '\0';
+
+    // Try to create intermediate directory
+    DEBUG_TRACE(("mkdir(%s)", buf));
+    if (!mg_stat(buf, &file) && mg_mkdir(buf, 0755) != 0) {
+      res = -1;
+      break;
+    }
+
+    // Is path itself a directory?
+    if (p[1] == '\0') {
+      res = 0;
+    }
+  }
+
+  return res;
+}

build/src/http_client.c

@@ -0,0 +1,97 @@
+#include "internal.h"
+
+static SOCKET conn2(const char *host, int port, int use_ssl,
+                    char *ebuf, size_t ebuf_len) {
+  struct sockaddr_in sin;
+  struct hostent *he = NULL;
+  SOCKET sock = INVALID_SOCKET;
+
+  (void) use_ssl; // Prevent warning for -DNO_SSL case
+
+  if (host == NULL) {
+    snprintf(ebuf, ebuf_len, "%s", "NULL host");
+#ifndef NO_SSL
+  } else if (use_ssl && SSLv23_client_method == NULL) {
+    snprintf(ebuf, ebuf_len, "%s", "SSL is not initialized");
+    // TODO(lsm): use something threadsafe instead of gethostbyname()
+#endif
+  } else if ((he = gethostbyname(host)) == NULL) {
+    snprintf(ebuf, ebuf_len, "gethostbyname(%s): %s", host, strerror(ERRNO));
+  } else if ((sock = socket(PF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET) {
+    snprintf(ebuf, ebuf_len, "socket(): %s", strerror(ERRNO));
+  } else {
+    set_close_on_exec(sock);
+    sin.sin_family = AF_INET;
+    sin.sin_port = htons((uint16_t) port);
+    sin.sin_addr = * (struct in_addr *) he->h_addr_list[0];
+    if (connect(sock, (struct sockaddr *) &sin, sizeof(sin)) != 0) {
+      snprintf(ebuf, ebuf_len, "connect(%s:%d): %s",
+               host, port, strerror(ERRNO));
+      closesocket(sock);
+      sock = INVALID_SOCKET;
+    }
+  }
+  return sock;
+}
+
+struct mg_connection *mg_connect(const char *host, int port, int use_ssl,
+                                 char *ebuf, size_t ebuf_len) {
+  static struct mg_context fake_ctx;
+  struct mg_connection *conn = NULL;
+  SOCKET sock;
+
+  if ((sock = conn2(host, port, use_ssl, ebuf, ebuf_len)) == INVALID_SOCKET) {
+  } else if ((conn = (struct mg_connection *)
+              calloc(1, sizeof(*conn) + MAX_REQUEST_SIZE)) == NULL) {
+    snprintf(ebuf, ebuf_len, "calloc(): %s", strerror(ERRNO));
+    closesocket(sock);
+#ifndef NO_SSL
+  } else if (use_ssl && (conn->client_ssl_ctx =
+                         SSL_CTX_new(SSLv23_client_method())) == NULL) {
+    snprintf(ebuf, ebuf_len, "SSL_CTX_new error");
+    closesocket(sock);
+    free(conn);
+    conn = NULL;
+#endif // NO_SSL
+  } else {
+    socklen_t len = sizeof(struct sockaddr);
+    conn->buf_size = MAX_REQUEST_SIZE;
+    conn->buf = (char *) (conn + 1);
+    conn->ctx = &fake_ctx;
+    conn->client.sock = sock;
+    getsockname(sock, &conn->client.rsa.sa, &len);
+    conn->client.is_ssl = use_ssl;
+#ifndef NO_SSL
+    if (use_ssl) {
+      // SSL_CTX_set_verify call is needed to switch off server certificate
+      // checking, which is off by default in OpenSSL and on in yaSSL.
+      SSL_CTX_set_verify(conn->client_ssl_ctx, 0, 0);
+      sslize(conn, conn->client_ssl_ctx, SSL_connect);
+    }
+#endif
+  }
+
+  return conn;
+}
+
+struct mg_connection *mg_download(const char *host, int port, int use_ssl,
+                                  char *ebuf, size_t ebuf_len,
+                                  const char *fmt, ...) {
+  struct mg_connection *conn;
+  const char *msg = NULL;
+  va_list ap;
+
+  va_start(ap, fmt);
+  if ((conn = mg_connect(host, port, use_ssl, ebuf, ebuf_len)) == NULL) {
+  } else if (mg_vprintf(conn, fmt, ap) <= 0) {
+    snprintf(ebuf, ebuf_len, "%s", "Error sending request");
+  } else {
+    msg = getreq(conn);
+  }
+  if (msg != NULL && conn != NULL) {
+    mg_close_connection(conn);
+    conn = NULL;
+  }
+
+  return conn;
+}

build/src/internal.h

@@ -0,0 +1,458 @@
+// Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
+// Copyright (c) 2013 Cesanta Software Limited
+// All rights reserved
+//
+// This library is dual-licensed: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation. For the terms of this
+// license, see <http://www.gnu.org/licenses/>.
+//
+// You are free to use this library under the terms of the GNU General
+// Public License, but WITHOUT ANY WARRANTY; without even the implied
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// See the GNU General Public License for more details.
+//
+// Alternatively, you can license this library under a commercial
+// license, as set out in <http://cesanta.com/products.html>.
+
+#if defined(_WIN32)
+#undef _UNICODE
+#define _MBCS
+#if !defined(_CRT_SECURE_NO_WARNINGS)
+#define _CRT_SECURE_NO_WARNINGS // Disable deprecation warning in VS2005
+#endif
+#else
+#ifdef __linux__
+#define _XOPEN_SOURCE 600     // For flockfile() on Linux
+#endif
+#if !defined(_LARGEFILE_SOURCE)
+#define _LARGEFILE_SOURCE     // Enable 64-bit file offsets
+#endif
+#define __STDC_FORMAT_MACROS  // <inttypes.h> wants this for C++
+#define __STDC_LIMIT_MACROS   // C++ wants that for INT64_MAX
+#endif
+
+#if defined (_MSC_VER)
+// conditional expression is constant: introduced by FD_SET(..)
+#pragma warning (disable : 4127)
+// non-constant aggregate initializer: issued due to missing C99 support
+#pragma warning (disable : 4204)
+#endif
+
+// Disable WIN32_LEAN_AND_MEAN.
+// This makes windows.h always include winsock2.h
+#ifdef WIN32_LEAN_AND_MEAN
+#undef WIN32_LEAN_AND_MEAN
+#endif
+
+#ifndef _WIN32_WCE // Some ANSI #includes are not available on Windows CE
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+#include <signal.h>
+#include <fcntl.h>
+#endif // !_WIN32_WCE
+
+#include <time.h>
+#include <stdlib.h>
+#include <stdarg.h>
+#include <assert.h>
+#include <string.h>
+#include <ctype.h>
+#include <limits.h>
+#include <stddef.h>
+#include <stdio.h>
+
+#if defined(_WIN32) // Windows specific
+#undef _WIN32_WINNT
+#define _WIN32_WINNT 0x0400 // To make it link in VS2005
+#include <windows.h>
+
+#ifndef PATH_MAX
+#define PATH_MAX MAX_PATH
+#endif
+
+#ifndef _WIN32_WCE
+#include <process.h>
+#include <direct.h>
+#include <io.h>
+#else // _WIN32_WCE
+#define NO_CGI // WinCE has no pipes
+
+typedef long off_t;
+
+#define errno   GetLastError()
+#define strerror(x)  _ultoa(x, (char *) _alloca(sizeof(x) *3 ), 10)
+#endif // _WIN32_WCE
+
+#define MAKEUQUAD(lo, hi) ((uint64_t)(((uint32_t)(lo)) | \
+      ((uint64_t)((uint32_t)(hi))) << 32))
+#define RATE_DIFF 10000000 // 100 nsecs
+#define EPOCH_DIFF MAKEUQUAD(0xd53e8000, 0x019db1de)
+#define SYS2UNIX_TIME(lo, hi) \
+  (time_t) ((MAKEUQUAD((lo), (hi)) - EPOCH_DIFF) / RATE_DIFF)
+
+// Visual Studio 6 does not know __func__ or __FUNCTION__
+// The rest of MS compilers use __FUNCTION__, not C99 __func__
+// Also use _strtoui64 on modern M$ compilers
+#if defined(_MSC_VER) && _MSC_VER < 1300
+#define STRX(x) #x
+#define STR(x) STRX(x)
+#define __func__ __FILE__ ":" STR(__LINE__)
+#define strtoull(x, y, z) (unsigned __int64) _atoi64(x)
+#define strtoll(x, y, z) _atoi64(x)
+#else
+#define __func__  __FUNCTION__
+#define strtoull(x, y, z) _strtoui64(x, y, z)
+#define strtoll(x, y, z) _strtoi64(x, y, z)
+#endif // _MSC_VER
+
+#define ERRNO   GetLastError()
+#define NO_SOCKLEN_T
+#define SSL_LIB   "ssleay32.dll"
+#define CRYPTO_LIB  "libeay32.dll"
+#define O_NONBLOCK  0
+#if !defined(EWOULDBLOCK)
+#define EWOULDBLOCK  WSAEWOULDBLOCK
+#endif // !EWOULDBLOCK
+#define _POSIX_
+#define INT64_FMT  "I64d"
+
+#define WINCDECL __cdecl
+#define SHUT_WR 1
+#define snprintf _snprintf
+#define vsnprintf _vsnprintf
+#define mg_sleep(x) Sleep(x)
+
+#define pipe(x) _pipe(x, MG_BUF_LEN, _O_BINARY)
+#ifndef popen
+#define popen(x, y) _popen(x, y)
+#endif
+#ifndef pclose
+#define pclose(x) _pclose(x)
+#endif
+#define close(x) _close(x)
+#define dlsym(x,y) GetProcAddress((HINSTANCE) (x), (y))
+#define RTLD_LAZY  0
+#define fseeko(x, y, z) _lseeki64(_fileno(x), (y), (z))
+#define fdopen(x, y) _fdopen((x), (y))
+#define write(x, y, z) _write((x), (y), (unsigned) z)
+#define read(x, y, z) _read((x), (y), (unsigned) z)
+#define flockfile(x)
+#define funlockfile(x)
+#define sleep(x) Sleep((x) * 1000)
+#define rmdir(x) _rmdir(x)
+
+#if !defined(va_copy)
+#define va_copy(x, y) x = y
+#endif // !va_copy MINGW #defines va_copy
+
+#if !defined(fileno)
+#define fileno(x) _fileno(x)
+#endif // !fileno MINGW #defines fileno
+
+typedef HANDLE pthread_mutex_t;
+typedef DWORD pthread_t;
+#define pid_t HANDLE // MINGW typedefs pid_t to int. Using #define here.
+
+static int pthread_mutex_lock(pthread_mutex_t *);
+static int pthread_mutex_unlock(pthread_mutex_t *);
+static void to_unicode(const char *path, wchar_t *wbuf, size_t wbuf_len);
+
+#if defined(HAVE_STDINT)
+#include <stdint.h>
+#else
+typedef unsigned int  uint32_t;
+typedef unsigned short  uint16_t;
+typedef unsigned __int64 uint64_t;
+typedef __int64   int64_t;
+#define INT64_MAX  9223372036854775807
+#endif // HAVE_STDINT
+
+// POSIX dirent interface
+struct dirent {
+  char d_name[PATH_MAX];
+};
+
+typedef struct DIR {
+  HANDLE   handle;
+  WIN32_FIND_DATAW info;
+  struct dirent  result;
+} DIR;
+
+struct pollfd {
+  SOCKET fd;
+  short events;
+  short revents;
+};
+#define POLLIN 1
+
+#ifdef HAVE_POLL
+#define poll(x, y, z)  WSAPoll((x), (y), (z))
+#endif
+
+
+// Mark required libraries
+#ifdef _MSC_VER
+#pragma comment(lib, "Ws2_32.lib")
+#endif
+
+#else    // UNIX  specific
+#include <sys/wait.h>
+#include <sys/socket.h>
+#include <sys/poll.h>
+#include <netinet/in.h>
+#include <arpa/inet.h>
+#include <sys/time.h>
+#include <stdint.h>
+#include <inttypes.h>
+#include <netdb.h>
+
+#include <pwd.h>
+#include <unistd.h>
+#include <dirent.h>
+#if !defined(NO_SSL_DL) && !defined(NO_SSL)
+#include <dlfcn.h>
+#endif
+#include <pthread.h>
+#if defined(__MACH__)
+#define SSL_LIB   "libssl.dylib"
+#define CRYPTO_LIB  "libcrypto.dylib"
+#else
+#if !defined(SSL_LIB)
+#define SSL_LIB   "libssl.so"
+#endif
+#if !defined(CRYPTO_LIB)
+#define CRYPTO_LIB  "libcrypto.so"
+#endif
+#endif
+#ifndef O_BINARY
+#define O_BINARY  0
+#endif // O_BINARY
+#define closesocket(a) close(a)
+#define mg_mkdir(x, y) mkdir(x, y)
+#define mg_remove(x) remove(x)
+#define mg_sleep(x) usleep((x) * 1000)
+#define ERRNO errno
+#define INVALID_SOCKET (-1)
+#define INT64_FMT PRId64
+typedef int SOCKET;
+#define WINCDECL
+
+#endif // End of Windows and UNIX specific includes
+
+#include "mongoose.h"
+
+#define MONGOOSE_VERSION "5.0"
+#define PASSWORDS_FILE_NAME ".htpasswd"
+#define CGI_ENVIRONMENT_SIZE 4096
+#define MAX_CGI_ENVIR_VARS 64
+#define MG_BUF_LEN 8192
+#define MAX_REQUEST_SIZE 16384
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
+
+typedef SOCKET sock_t;
+
+#ifdef DEBUG_TRACE
+#undef DEBUG_TRACE
+#define DEBUG_TRACE(x)
+#else
+#if defined(DEBUG)
+#define DEBUG_TRACE(x) do { \
+  flockfile(stdout); \
+  printf("*** %lu.%p.%s.%d: ", \
+         (unsigned long) time(NULL), (void *) pthread_self(), \
+         __func__, __LINE__); \
+  printf x; \
+  putchar('\n'); \
+  fflush(stdout); \
+  funlockfile(stdout); \
+} while (0)
+#else
+#define DEBUG_TRACE(x)
+#endif // DEBUG
+#endif // DEBUG_TRACE
+
+// Darwin prior to 7.0 and Win32 do not have socklen_t
+#ifdef NO_SOCKLEN_T
+typedef int socklen_t;
+#endif // NO_SOCKLEN_T
+#define _DARWIN_UNLIMITED_SELECT
+
+#define IP_ADDR_STR_LEN 50  // IPv6 hex string is 46 chars
+
+#if !defined(MSG_NOSIGNAL)
+#define MSG_NOSIGNAL 0
+#endif
+
+#if !defined(SOMAXCONN)
+#define SOMAXCONN 100
+#endif
+
+#if !defined(PATH_MAX)
+#define PATH_MAX 4096
+#endif
+
+// Size of the accepted socket queue
+#if !defined(MGSQLEN)
+#define MGSQLEN 20
+#endif
+
+// Extra HTTP headers to send in every static file reply
+#if !defined(EXTRA_HTTP_HEADERS)
+#define EXTRA_HTTP_HEADERS ""
+#endif
+
+static const char *http_500_error = "Internal Server Error";
+
+#if defined(NO_SSL_DL)
+#include <openssl/ssl.h>
+#include <openssl/err.h>
+#else
+// SSL loaded dynamically from DLL.
+// I put the prototypes here to be independent from OpenSSL source installation.
+typedef struct ssl_st SSL;
+typedef struct ssl_method_st SSL_METHOD;
+typedef struct ssl_ctx_st SSL_CTX;
+
+struct ssl_func {
+  const char *name;   // SSL function name
+  void  (*ptr)(void); // Function pointer
+};
+
+#define SSL_free (* (void (*)(SSL *)) ssl_sw[0].ptr)
+#define SSL_accept (* (int (*)(SSL *)) ssl_sw[1].ptr)
+#define SSL_connect (* (int (*)(SSL *)) ssl_sw[2].ptr)
+#define SSL_read (* (int (*)(SSL *, void *, int)) ssl_sw[3].ptr)
+#define SSL_write (* (int (*)(SSL *, const void *,int)) ssl_sw[4].ptr)
+#define SSL_get_error (* (int (*)(SSL *, int)) ssl_sw[5].ptr)
+#define SSL_set_fd (* (int (*)(SSL *, SOCKET)) ssl_sw[6].ptr)
+#define SSL_new (* (SSL * (*)(SSL_CTX *)) ssl_sw[7].ptr)
+#define SSL_CTX_new (* (SSL_CTX * (*)(SSL_METHOD *)) ssl_sw[8].ptr)
+#define SSLv23_server_method (* (SSL_METHOD * (*)(void)) ssl_sw[9].ptr)
+#define SSL_library_init (* (int (*)(void)) ssl_sw[10].ptr)
+#define SSL_CTX_use_PrivateKey_file (* (int (*)(SSL_CTX *, \
+        const char *, int)) ssl_sw[11].ptr)
+#define SSL_CTX_use_certificate_file (* (int (*)(SSL_CTX *, \
+        const char *, int)) ssl_sw[12].ptr)
+#define SSL_CTX_set_default_passwd_cb \
+  (* (void (*)(SSL_CTX *, mg_event_handler_t)) ssl_sw[13].ptr)
+#define SSL_CTX_free (* (void (*)(SSL_CTX *)) ssl_sw[14].ptr)
+#define SSL_load_error_strings (* (void (*)(void)) ssl_sw[15].ptr)
+#define SSL_CTX_use_certificate_chain_file \
+  (* (int (*)(SSL_CTX *, const char *)) ssl_sw[16].ptr)
+#define SSLv23_client_method (* (SSL_METHOD * (*)(void)) ssl_sw[17].ptr)
+#define SSL_pending (* (int (*)(SSL *)) ssl_sw[18].ptr)
+#define SSL_CTX_set_verify (* (void (*)(SSL_CTX *, int, int)) ssl_sw[19].ptr)
+#define SSL_shutdown (* (int (*)(SSL *)) ssl_sw[20].ptr)
+
+#define CRYPTO_num_locks (* (int (*)(void)) crypto_sw[0].ptr)
+#define CRYPTO_set_locking_callback \
+  (* (void (*)(void (*)(int, int, const char *, int))) crypto_sw[1].ptr)
+#define CRYPTO_set_id_callback \
+  (* (void (*)(unsigned long (*)(void))) crypto_sw[2].ptr)
+#define ERR_get_error (* (unsigned long (*)(void)) crypto_sw[3].ptr)
+#define ERR_error_string (* (char * (*)(unsigned long,char *)) crypto_sw[4].ptr)
+#endif // NO_SSL_DL
+
+// Unified socket address. For IPv6 support, add IPv6 address structure
+// in the union u.
+union usa {
+  struct sockaddr sa;
+  struct sockaddr_in sin;
+#if defined(USE_IPV6)
+  struct sockaddr_in6 sin6;
+#endif
+};
+
+// Describes a string (chunk of memory).
+struct vec {
+  const char *ptr;
+  size_t len;
+};
+
+struct file {
+  int is_directory;
+  time_t modification_time;
+  int64_t size;
+  // set to 1 if the content is gzipped
+  // in which case we need a content-encoding: gzip header
+  int gzipped;
+};
+#define STRUCT_FILE_INITIALIZER { 0, 0, 0, 0 }
+
+// Describes listening socket, or socket which was accept()-ed by the master
+// thread and queued for future handling by the worker thread.
+struct socket {
+  SOCKET sock;          // Listening socket
+  union usa lsa;        // Local socket address
+  union usa rsa;        // Remote socket address
+  unsigned is_ssl:1;    // Is port SSL-ed
+  unsigned ssl_redir:1; // Is port supposed to redirect everything to SSL port
+};
+
+// NOTE(lsm): this enum shoulds be in sync with the config_options.
+enum {
+  CGI_EXTENSIONS, CGI_ENVIRONMENT, PUT_DELETE_PASSWORDS_FILE, CGI_INTERPRETER,
+  PROTECT_URI, AUTHENTICATION_DOMAIN, SSI_EXTENSIONS,
+  ACCESS_LOG_FILE, ENABLE_DIRECTORY_LISTING, ERROR_LOG_FILE,
+  GLOBAL_PASSWORDS_FILE, INDEX_FILES, ENABLE_KEEP_ALIVE, ACCESS_CONTROL_LIST,
+  EXTRA_MIME_TYPES, LISTENING_PORTS, DOCUMENT_ROOT, SSL_CERTIFICATE,
+  NUM_THREADS, RUN_AS_USER, REWRITE, HIDE_FILES, REQUEST_TIMEOUT,
+  NUM_OPTIONS
+};
+
+struct mg_context {
+  volatile int stop_flag;         // Should we stop event loop
+  SSL_CTX *ssl_ctx;               // SSL context
+  char *config[NUM_OPTIONS];      // Mongoose configuration parameters
+  mg_event_handler_t event_handler;  // User-defined callback function
+  void *user_data;                // User-defined data
+  struct socket *listening_sockets;
+  int num_listening_sockets;
+  int num_threads;    // Number of threads
+  sock_t ctl[2];     // Socket pair for inter-thread communication
+
+};
+
+struct mg_connection {
+  struct mg_request_info request_info;
+  struct mg_event event;
+  struct mg_context *ctx;
+  SSL *ssl;                   // SSL descriptor
+  SSL_CTX *client_ssl_ctx;    // SSL context for client connections
+  struct socket client;       // Connected client
+  time_t birth_time;          // Time when request was received
+  int64_t num_bytes_sent;     // Total bytes sent to client
+  int64_t content_len;        // Content-Length header value
+  int64_t num_bytes_read;     // Bytes read from a remote socket
+  char *buf;                  // Buffer for received data
+  char *path_info;            // PATH_INFO part of the URL
+  int must_close;             // 1 if connection must be closed
+  int buf_size;               // Buffer size
+  int request_len;            // Size of the request + headers in a buffer
+  int data_len;               // Total size of data in a buffer
+  int status_code;            // HTTP reply status code, e.g. 200
+};
+
+// Directory entry
+struct de {
+  struct mg_connection *conn;
+  char *file_name;
+  struct file file;
+};
+
+static FILE *mg_fopen(const char *path, const char *mode);
+static int mg_stat(const char *path, struct file *filep);
+static void send_http_error(struct mg_connection *, int, const char *,
+                            PRINTF_FORMAT_STRING(const char *fmt), ...)
+                            PRINTF_ARGS(4, 5);
+static void cry(struct mg_connection *conn,
+                PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(2, 3);
+static const char *getreq(struct mg_connection *conn);
+
+#ifdef USE_LUA
+#include "lua_5.2.1.h"
+static int handle_lsp_request(struct mg_connection *, const char *,
+                              struct file *, struct lua_State *);
+#endif

build/src/io.c

@@ -0,0 +1,187 @@
+#include "internal.h"
+
+// Return number of bytes left to read for this connection
+static int64_t left_to_read(const struct mg_connection *conn) {
+  return conn->content_len + conn->request_len - conn->num_bytes_read;
+}
+
+// Write data to the IO channel - opened file descriptor, socket or SSL
+// descriptor. Return number of bytes written.
+static int64_t push(FILE *fp, SOCKET sock, SSL *ssl, const char *buf,
+                    int64_t len) {
+  int64_t sent;
+  int n, k;
+
+  (void) ssl;  // Get rid of warning
+  sent = 0;
+  while (sent < len) {
+
+    // How many bytes we send in this iteration
+    k = len - sent > INT_MAX ? INT_MAX : (int) (len - sent);
+
+#if !defined(NO_SSL)
+    if (ssl != NULL) {
+      n = SSL_write(ssl, buf + sent, k);
+    } else
+#endif
+    if (fp != NULL) {
+      n = (int) fwrite(buf + sent, 1, (size_t) k, fp);
+      if (ferror(fp))
+        n = -1;
+    } else {
+      n = send(sock, buf + sent, (size_t) k, MSG_NOSIGNAL);
+    }
+
+    if (n <= 0)
+      break;
+
+    sent += n;
+  }
+
+  return sent;
+}
+
+// Read from IO channel - opened file descriptor, socket, or SSL descriptor.
+// Return negative value on error, or number of bytes read on success.
+static int pull(FILE *fp, struct mg_connection *conn, char *buf, int len) {
+  int nread;
+
+  if (len <= 0) return 0;
+  if (fp != NULL) {
+    // Use read() instead of fread(), because if we're reading from the CGI
+    // pipe, fread() may block until IO buffer is filled up. We cannot afford
+    // to block and must pass all read bytes immediately to the client.
+    nread = read(fileno(fp), buf, (size_t) len);
+#ifndef NO_SSL
+  } else if (conn->ssl != NULL) {
+    nread = SSL_read(conn->ssl, buf, len);
+#endif
+  } else {
+    nread = recv(conn->client.sock, buf, (size_t) len, 0);
+  }
+  if (nread > 0) {
+    conn->num_bytes_read += nread;
+  }
+
+  return conn->ctx->stop_flag ? -1 : nread;
+}
+
+static int pull_all(FILE *fp, struct mg_connection *conn, char *buf, int len) {
+  int n, nread = 0;
+
+  while (len > 0 && conn->ctx->stop_flag == 0) {
+    n = pull(fp, conn, buf + nread, len);
+    if (n < 0) {
+      nread = n;  // Propagate the error
+      break;
+    } else if (n == 0) {
+      break;  // No more data to read
+    } else {
+      nread += n;
+      len -= n;
+    }
+  }
+
+  return nread;
+}
+
+int mg_read(struct mg_connection *conn, void *buf, int len) {
+  int n, buffered_len, nread = 0;
+  int64_t left;
+
+  if (conn->content_len <= 0) {
+    return 0;
+  }
+
+  // conn->buf           body
+  //    |=================|==========|===============|
+  //    |<--request_len-->|                          |
+  //    |<-----------data_len------->|      conn->buf + conn->buf_size
+
+  // First, check for data buffered in conn->buf by read_request().
+  if (len > 0 && (buffered_len = conn->data_len - conn->request_len) > 0) {
+    char *body = conn->buf + conn->request_len;
+    if (buffered_len > len) buffered_len = len;
+    if (buffered_len > conn->content_len) buffered_len = (int)conn->content_len;
+
+    memcpy(buf, body, (size_t) buffered_len);
+    memmove(body, body + buffered_len,
+            &conn->buf[conn->data_len] - &body[buffered_len]);
+    len -= buffered_len;
+    conn->data_len -= buffered_len;
+    nread += buffered_len;
+  }
+
+  // Read data from the socket.
+  if (len > 0 && (left = left_to_read(conn)) > 0) {
+    if (left < len) {
+      len = (int) left;
+    }
+    n = pull_all(NULL, conn, (char *) buf + nread, (int) len);
+    nread = n >= 0 ? nread + n : n;
+  }
+
+  return nread;
+}
+
+int mg_write(struct mg_connection *conn, const void *buf, int len) {
+  return (int) push(NULL, conn->client.sock, conn->ssl, (const char *) buf,
+                    (int64_t) len);
+}
+
+// Keep reading the input (either opened file descriptor fd, or socket sock,
+// or SSL descriptor ssl) into buffer buf, until \r\n\r\n appears in the
+// buffer (which marks the end of HTTP request). Buffer buf may already
+// have some data. The length of the data is stored in nread.
+// Upon every read operation, increase nread by the number of bytes read.
+static int read_request(FILE *fp, struct mg_connection *conn,
+                        char *buf, int bufsiz, int *nread) {
+  int request_len, n = 0;
+
+  request_len = get_request_len(buf, *nread);
+  while (conn->ctx->stop_flag == 0 &&
+         *nread < bufsiz &&
+         request_len == 0 &&
+         (n = pull(fp, conn, buf + *nread, bufsiz - *nread)) > 0) {
+    *nread += n;
+    assert(*nread <= bufsiz);
+    request_len = get_request_len(buf, *nread);
+  }
+
+  return request_len <= 0 && n <= 0 ? -1 : request_len;
+}
+
+// Send len bytes from the opened file to the client.
+static void send_file_data(struct mg_connection *conn, FILE *fp,
+                           int64_t offset, int64_t len) {
+  char buf[MG_BUF_LEN];
+  int num_read, num_written, to_read;
+
+  // If offset is beyond file boundaries, don't send anything
+  if (offset > 0 && fseeko(fp, offset, SEEK_SET) != 0) {
+    return;
+  }
+
+  while (len > 0) {
+    // Calculate how much to read from the file in the buffer
+    to_read = sizeof(buf);
+    if ((int64_t) to_read > len) {
+      to_read = (int) len;
+    }
+
+    // Read from file, exit the loop on error
+    if ((num_read = fread(buf, 1, (size_t) to_read, fp)) <= 0) {
+      break;
+    }
+
+    // Send read bytes to the client, exit the loop on error
+    if ((num_written = mg_write(conn, buf, (size_t) num_read)) != num_read) {
+      break;
+    }
+
+    // Both read and were successful, adjust counters
+    conn->num_bytes_sent += num_written;
+    len -= num_written;
+  }
+}
+

build/src/log.c

@@ -0,0 +1,44 @@
+#include "internal.h"
+
+static void log_header(const struct mg_connection *conn, const char *header,
+                       FILE *fp) {
+  const char *header_value;
+
+  if ((header_value = mg_get_header(conn, header)) == NULL) {
+    (void) fprintf(fp, "%s", " -");
+  } else {
+    (void) fprintf(fp, " \"%s\"", header_value);
+  }
+}
+
+static void log_access(const struct mg_connection *conn) {
+  const struct mg_request_info *ri;
+  FILE *fp;
+  char date[64], src_addr[IP_ADDR_STR_LEN];
+
+  fp = conn->ctx->config[ACCESS_LOG_FILE] == NULL ?  NULL :
+    fopen(conn->ctx->config[ACCESS_LOG_FILE], "a+");
+
+  if (fp == NULL)
+    return;
+
+  strftime(date, sizeof(date), "%d/%b/%Y:%H:%M:%S %z",
+           localtime(&conn->birth_time));
+
+  ri = &conn->request_info;
+  flockfile(fp);
+
+  sockaddr_to_string(src_addr, sizeof(src_addr), &conn->client.rsa);
+  fprintf(fp, "%s - %s [%s] \"%s %s HTTP/%s\" %d %" INT64_FMT,
+          src_addr, ri->remote_user == NULL ? "-" : ri->remote_user, date,
+          ri->request_method ? ri->request_method : "-",
+          ri->uri ? ri->uri : "-", ri->http_version,
+          conn->status_code, conn->num_bytes_sent);
+  log_header(conn, "Referer", fp);
+  log_header(conn, "User-Agent", fp);
+  fputc('\n', fp);
+  fflush(fp);
+
+  funlockfile(fp);
+  fclose(fp);
+}

build/src/lua.c

@@ -0,0 +1,390 @@
+#include "internal.h"
+
+#ifdef USE_LUA
+#ifdef _WIN32
+static void *mmap(void *addr, int64_t len, int prot, int flags, int fd,
+                  int offset) {
+  HANDLE fh = (HANDLE) _get_osfhandle(fd);
+  HANDLE mh = CreateFileMapping(fh, 0, PAGE_READONLY, 0, 0, 0);
+  void *p = MapViewOfFile(mh, FILE_MAP_READ, 0, 0, (size_t) len);
+  CloseHandle(mh);
+  return p;
+}
+#define munmap(x, y)  UnmapViewOfFile(x)
+#define MAP_FAILED NULL
+#define MAP_PRIVATE 0
+#define PROT_READ 0
+#else
+#include <sys/mman.h>
+#endif
+
+static const char *LUASOCKET = "luasocket";
+
+// Forward declarations
+static int handle_lsp_request(struct mg_connection *, const char *,
+                              struct file *, struct lua_State *);
+
+static void reg_string(struct lua_State *L, const char *name, const char *val) {
+  lua_pushstring(L, name);
+  lua_pushstring(L, val);
+  lua_rawset(L, -3);
+}
+
+static void reg_int(struct lua_State *L, const char *name, int val) {
+  lua_pushstring(L, name);
+  lua_pushinteger(L, val);
+  lua_rawset(L, -3);
+}
+
+static void reg_function(struct lua_State *L, const char *name,
+                         lua_CFunction func, struct mg_connection *conn) {
+  lua_pushstring(L, name);
+  lua_pushlightuserdata(L, conn);
+  lua_pushcclosure(L, func, 1);
+  lua_rawset(L, -3);
+}
+
+static int lsp_sock_close(lua_State *L) {
+  if (lua_gettop(L) > 0 && lua_istable(L, -1)) {
+    lua_getfield(L, -1, "sock");
+    closesocket((SOCKET) lua_tonumber(L, -1));
+  } else {
+    return luaL_error(L, "invalid :close() call");
+  }
+  return 1;
+}
+
+static int lsp_sock_recv(lua_State *L) {
+  char buf[2000];
+  int n;
+
+  if (lua_gettop(L) > 0 && lua_istable(L, -1)) {
+    lua_getfield(L, -1, "sock");
+    n = recv((SOCKET) lua_tonumber(L, -1), buf, sizeof(buf), 0);
+    if (n <= 0) {
+      lua_pushnil(L);
+    } else {
+      lua_pushlstring(L, buf, n);
+    }
+  } else {
+    return luaL_error(L, "invalid :close() call");
+  }
+  return 1;
+}
+
+static int lsp_sock_send(lua_State *L) {
+  const char *buf;
+  size_t len, sent = 0;
+  int n, sock;
+
+  if (lua_gettop(L) > 1 && lua_istable(L, -2) && lua_isstring(L, -1)) {
+    buf = lua_tolstring(L, -1, &len);
+    lua_getfield(L, -2, "sock");
+    sock = (int) lua_tonumber(L, -1);
+    while (sent < len) {
+      if ((n = send(sock, buf + sent, len - sent, 0)) <= 0) {
+        break;
+      }
+      sent += n;
+    }
+    lua_pushnumber(L, n);
+  } else {
+    return luaL_error(L, "invalid :close() call");
+  }
+  return 1;
+}
+
+static const struct luaL_Reg luasocket_methods[] = {
+  {"close", lsp_sock_close},
+  {"send", lsp_sock_send},
+  {"recv", lsp_sock_recv},
+  {NULL, NULL}
+};
+
+static int lsp_connect(lua_State *L) {
+  char ebuf[100];
+  SOCKET sock;
+
+  if (lua_isstring(L, -3) && lua_isnumber(L, -2) && lua_isnumber(L, -1)) {
+    sock = conn2(lua_tostring(L, -3), (int) lua_tonumber(L, -2),
+                 (int) lua_tonumber(L, -1), ebuf, sizeof(ebuf));
+    if (sock == INVALID_SOCKET) {
+      return luaL_error(L, ebuf);
+    } else {
+      lua_newtable(L);
+      reg_int(L, "sock", sock);
+      reg_string(L, "host", lua_tostring(L, -4));
+      luaL_getmetatable(L, LUASOCKET);
+      lua_setmetatable(L, -2);
+    }
+  } else {
+    return luaL_error(L, "connect(host,port,is_ssl): invalid parameter given.");
+  }
+  return 1;
+}
+
+static int lsp_error(lua_State *L) {
+  lua_getglobal(L, "mg");
+  lua_getfield(L, -1, "onerror");
+  lua_pushvalue(L, -3);
+  lua_pcall(L, 1, 0, 0);
+  return 0;
+}
+
+// Silently stop processing chunks.
+static void lsp_abort(lua_State *L) {
+  int top = lua_gettop(L);
+  lua_getglobal(L, "mg");
+  lua_pushnil(L);
+  lua_setfield(L, -2, "onerror");
+  lua_settop(L, top);
+  lua_pushstring(L, "aborting");
+  lua_error(L);
+}
+
+static int lsp(struct mg_connection *conn, const char *path,
+               const char *p, int64_t len, lua_State *L) {
+  int i, j, pos = 0, lines = 1, lualines = 0;
+  char chunkname[MG_BUF_LEN];
+
+  for (i = 0; i < len; i++) {
+    if (p[i] == '\n') lines++;
+    if (p[i] == '<' && p[i + 1] == '?') {
+      for (j = i + 1; j < len ; j++) {
+        if (p[j] == '\n') lualines++;
+        if (p[j] == '?' && p[j + 1] == '>') {
+          mg_write(conn, p + pos, i - pos);
+
+          snprintf(chunkname, sizeof(chunkname), "@%s+%i", path, lines);
+          lua_pushlightuserdata(L, conn);
+          lua_pushcclosure(L, lsp_error, 1);
+          if (luaL_loadbuffer(L, p + (i + 2), j - (i + 2), chunkname)) {
+            // Syntax error or OOM. Error message is pushed on stack.
+            lua_pcall(L, 1, 0, 0);
+          } else {
+            // Success loading chunk. Call it.
+            lua_pcall(L, 0, 0, 1);
+          }
+
+          pos = j + 2;
+          i = pos - 1;
+          break;
+        }
+      }
+      if (lualines > 0) {
+        lines += lualines;
+        lualines = 0;
+      }
+    }
+  }
+
+  if (i > pos) {
+    mg_write(conn, p + pos, i - pos);
+  }
+
+  return 0;
+}
+
+static int lsp_write(lua_State *L) {
+  int i, num_args;
+  const char *str;
+  size_t size;
+  struct mg_connection *conn = lua_touserdata(L, lua_upvalueindex(1));
+
+  num_args = lua_gettop(L);
+  for (i = 1; i <= num_args; i++) {
+    if (lua_isstring(L, i)) {
+      str = lua_tolstring(L, i, &size);
+      mg_write(conn, str, size);
+    }
+  }
+
+  return 0;
+}
+
+static int lsp_read(lua_State *L) {
+  struct mg_connection *conn = lua_touserdata(L, lua_upvalueindex(1));
+  char buf[1024];
+  int len = mg_read(conn, buf, sizeof(buf));
+
+  if (len <= 0) return 0;
+  lua_pushlstring(L, buf, len);
+
+  return 1;
+}
+
+// mg.include: Include another .lp file
+static int lsp_include(lua_State *L) {
+  struct mg_connection *conn = lua_touserdata(L, lua_upvalueindex(1));
+  struct file file = STRUCT_FILE_INITIALIZER;
+  if (handle_lsp_request(conn, lua_tostring(L, -1), &file, L)) {
+    // handle_lsp_request returned an error code, meaning an error occured in
+    // the included page and mg.onerror returned non-zero. Stop processing.
+    lsp_abort(L);
+  }
+  return 0;
+}
+
+// mg.cry: Log an error. Default value for mg.onerror.
+static int lsp_cry(lua_State *L){
+  struct mg_connection *conn = lua_touserdata(L, lua_upvalueindex(1));
+  cry(conn, "%s", lua_tostring(L, -1));
+  return 0;
+}
+
+// mg.redirect: Redirect the request (internally).
+static int lsp_redirect(lua_State *L) {
+  struct mg_connection *conn = lua_touserdata(L, lua_upvalueindex(1));
+  conn->request_info.uri = lua_tostring(L, -1);
+  handle_request(conn);
+  lsp_abort(L);
+  return 0;
+}
+
+static void prepare_lua_environment(struct mg_connection *conn, lua_State *L) {
+  const struct mg_request_info *ri = &conn->request_info;
+  extern void luaL_openlibs(lua_State *);
+  int i;
+
+  luaL_openlibs(L);
+#ifdef USE_LUA_SQLITE3
+  { extern int luaopen_lsqlite3(lua_State *); luaopen_lsqlite3(L); }
+#endif
+
+  luaL_newmetatable(L, LUASOCKET);
+  lua_pushliteral(L, "__index");
+  luaL_newlib(L, luasocket_methods);
+  lua_rawset(L, -3);
+  lua_pop(L, 1);
+  lua_register(L, "connect", lsp_connect);
+
+  if (conn == NULL) return;
+
+  // Register mg module
+  lua_newtable(L);
+
+  reg_function(L, "read", lsp_read, conn);
+  reg_function(L, "write", lsp_write, conn);
+  reg_function(L, "cry", lsp_cry, conn);
+  reg_function(L, "include", lsp_include, conn);
+  reg_function(L, "redirect", lsp_redirect, conn);
+  reg_string(L, "version", MONGOOSE_VERSION);
+
+  // Export request_info
+  lua_pushstring(L, "request_info");
+  lua_newtable(L);
+  reg_string(L, "request_method", ri->request_method);
+  reg_string(L, "uri", ri->uri);
+  reg_string(L, "http_version", ri->http_version);
+  reg_string(L, "query_string", ri->query_string);
+  reg_int(L, "remote_ip", ri->remote_ip);
+  reg_int(L, "remote_port", ri->remote_port);
+  reg_int(L, "num_headers", ri->num_headers);
+  lua_pushstring(L, "http_headers");
+  lua_newtable(L);
+  for (i = 0; i < ri->num_headers; i++) {
+    reg_string(L, ri->http_headers[i].name, ri->http_headers[i].value);
+  }
+  lua_rawset(L, -3);
+  lua_rawset(L, -3);
+
+  lua_setglobal(L, "mg");
+
+  // Register default mg.onerror function
+  luaL_dostring(L, "mg.onerror = function(e) mg.write('\\nLua error:\\n', "
+                "debug.traceback(e, 1)) end");
+}
+
+static int lua_error_handler(lua_State *L) {
+  const char *error_msg =  lua_isstring(L, -1) ?  lua_tostring(L, -1) : "?\n";
+
+  lua_getglobal(L, "mg");
+  if (!lua_isnil(L, -1)) {
+    lua_getfield(L, -1, "write");   // call mg.write()
+    lua_pushstring(L, error_msg);
+    lua_pushliteral(L, "\n");
+    lua_call(L, 2, 0);
+    luaL_dostring(L, "mg.write(debug.traceback(), '\\n')");
+  } else {
+    printf("Lua error: [%s]\n", error_msg);
+    luaL_dostring(L, "print(debug.traceback(), '\\n')");
+  }
+  // TODO(lsm): leave the stack balanced
+
+  return 0;
+}
+
+void mg_exec_lua_script(struct mg_connection *conn, const char *path,
+                        const void **exports) {
+  int i;
+  lua_State *L;
+
+  if (path != NULL && (L = luaL_newstate()) != NULL) {
+    prepare_lua_environment(conn, L);
+    lua_pushcclosure(L, &lua_error_handler, 0);
+
+    lua_pushglobaltable(L);
+    if (exports != NULL) {
+      for (i = 0; exports[i] != NULL && exports[i + 1] != NULL; i += 2) {
+        lua_pushstring(L, exports[i]);
+        lua_pushcclosure(L, (lua_CFunction) exports[i + 1], 0);
+        lua_rawset(L, -3);
+      }
+    }
+
+    if (luaL_loadfile(L, path) != 0) {
+      lua_error_handler(L);
+    }
+    lua_pcall(L, 0, 0, -2);
+    lua_close(L);
+  }
+}
+
+static void lsp_send_err(struct mg_connection *conn, struct lua_State *L,
+                         const char *fmt, ...) {
+  char buf[MG_BUF_LEN];
+  va_list ap;
+
+  va_start(ap, fmt);
+  vsnprintf(buf, sizeof(buf), fmt, ap);
+  va_end(ap);
+
+  if (L == NULL) {
+    send_http_error(conn, 500, http_500_error, "%s", buf);
+  } else {
+    lua_pushstring(L, buf);
+    lua_error(L);
+  }
+}
+
+static int handle_lsp_request(struct mg_connection *conn, const char *path,
+                               struct file *filep, struct lua_State *ls) {
+  void *p = NULL;
+  lua_State *L = NULL;
+  FILE *fp = NULL;
+  int error = 1;
+
+  // We need both mg_stat to get file size, and mg_fopen to get fd
+  if (!mg_stat(path, filep) || (fp = mg_fopen(path, "r")) == NULL) {
+    lsp_send_err(conn, ls, "File [%s] not found", path);
+  } else if ((p = mmap(NULL, (size_t) filep->size, PROT_READ, MAP_PRIVATE,
+                       fileno(fp), 0)) == MAP_FAILED) {
+    lsp_send_err(conn, ls, "mmap(%s, %zu, %d): %s", path, (size_t) filep->size,
+              fileno(fp), strerror(errno));
+  } else if ((L = ls != NULL ? ls : luaL_newstate()) == NULL) {
+    send_http_error(conn, 500, http_500_error, "%s", "luaL_newstate failed");
+  } else {
+    // We're not sending HTTP headers here, Lua page must do it.
+    if (ls == NULL) {
+      prepare_lua_environment(conn, L);
+    }
+    error = lsp(conn, path, p, filep->size, L);
+  }
+
+  if (L != NULL && ls == NULL) lua_close(L);
+  if (p != NULL) munmap(p, filep->size);
+  fclose(fp);
+
+  return error;
+}
+#endif // USE_LUA

build/src/mg_printf.c

@@ -0,0 +1,67 @@
+#include "internal.h"
+
+// Print message to buffer. If buffer is large enough to hold the message,
+// return buffer. If buffer is to small, allocate large enough buffer on heap,
+// and return allocated buffer.
+static int alloc_vprintf(char **buf, size_t size, const char *fmt, va_list ap) {
+  va_list ap_copy;
+  int len;
+
+  // Windows is not standard-compliant, and vsnprintf() returns -1 if
+  // buffer is too small. Also, older versions of msvcrt.dll do not have
+  // _vscprintf().  However, if size is 0, vsnprintf() behaves correctly.
+  // Therefore, we make two passes: on first pass, get required message length.
+  // On second pass, actually print the message.
+  va_copy(ap_copy, ap);
+  len = vsnprintf(NULL, 0, fmt, ap_copy);
+
+  if (len > (int) size &&
+      (size = len + 1) > 0 &&
+      (*buf = (char *) malloc(size)) == NULL) {
+    len = -1;  // Allocation failed, mark failure
+  } else {
+    va_copy(ap_copy, ap);
+    vsnprintf(*buf, size, fmt, ap_copy);
+  }
+
+  return len;
+}
+
+int mg_vprintf(struct mg_connection *conn, const char *fmt, va_list ap) {
+  char mem[MG_BUF_LEN], *buf = mem;
+  int len;
+
+  if ((len = alloc_vprintf(&buf, sizeof(mem), fmt, ap)) > 0) {
+    len = mg_write(conn, buf, (size_t) len);
+  }
+  if (buf != mem && buf != NULL) {
+    free(buf);
+  }
+
+  return len;
+}
+
+int mg_printf(struct mg_connection *conn, const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  return mg_vprintf(conn, fmt, ap);
+}
+
+static int mg_chunked_printf(struct mg_connection *conn, const char *fmt, ...) {
+  char mem[MG_BUF_LEN], *buf = mem;
+  int len;
+
+  va_list ap;
+  va_start(ap, fmt);
+  if ((len = alloc_vprintf(&buf, sizeof(mem), fmt, ap)) > 0) {
+    len = mg_printf(conn, "%X\r\n%s\r\n", len, buf);
+  }
+
+  if (buf != mem && buf != NULL) {
+    free(buf);
+  }
+
+  return len;
+}
+
+

build/src/mime.c

@@ -0,0 +1,99 @@
+#include "internal.h"
+
+static const struct {
+  const char *extension;
+  size_t ext_len;
+  const char *mime_type;
+} builtin_mime_types[] = {
+  {".html", 5, "text/html"},
+  {".htm", 4, "text/html"},
+  {".shtm", 5, "text/html"},
+  {".shtml", 6, "text/html"},
+  {".css", 4, "text/css"},
+  {".js",  3, "application/x-javascript"},
+  {".ico", 4, "image/x-icon"},
+  {".gif", 4, "image/gif"},
+  {".jpg", 4, "image/jpeg"},
+  {".jpeg", 5, "image/jpeg"},
+  {".png", 4, "image/png"},
+  {".svg", 4, "image/svg+xml"},
+  {".txt", 4, "text/plain"},
+  {".torrent", 8, "application/x-bittorrent"},
+  {".wav", 4, "audio/x-wav"},
+  {".mp3", 4, "audio/x-mp3"},
+  {".mid", 4, "audio/mid"},
+  {".m3u", 4, "audio/x-mpegurl"},
+  {".ogg", 4, "application/ogg"},
+  {".ram", 4, "audio/x-pn-realaudio"},
+  {".xml", 4, "text/xml"},
+  {".json",  5, "text/json"},
+  {".xslt", 5, "application/xml"},
+  {".xsl", 4, "application/xml"},
+  {".ra",  3, "audio/x-pn-realaudio"},
+  {".doc", 4, "application/msword"},
+  {".exe", 4, "application/octet-stream"},
+  {".zip", 4, "application/x-zip-compressed"},
+  {".xls", 4, "application/excel"},
+  {".tgz", 4, "application/x-tar-gz"},
+  {".tar", 4, "application/x-tar"},
+  {".gz",  3, "application/x-gunzip"},
+  {".arj", 4, "application/x-arj-compressed"},
+  {".rar", 4, "application/x-arj-compressed"},
+  {".rtf", 4, "application/rtf"},
+  {".pdf", 4, "application/pdf"},
+  {".swf", 4, "application/x-shockwave-flash"},
+  {".mpg", 4, "video/mpeg"},
+  {".webm", 5, "video/webm"},
+  {".mpeg", 5, "video/mpeg"},
+  {".mov", 4, "video/quicktime"},
+  {".mp4", 4, "video/mp4"},
+  {".m4v", 4, "video/x-m4v"},
+  {".asf", 4, "video/x-ms-asf"},
+  {".avi", 4, "video/x-msvideo"},
+  {".bmp", 4, "image/bmp"},
+  {".ttf", 4, "application/x-font-ttf"},
+  {NULL,  0, NULL}
+};
+
+const char *mg_get_builtin_mime_type(const char *path) {
+  const char *ext;
+  size_t i, path_len;
+
+  path_len = strlen(path);
+
+  for (i = 0; builtin_mime_types[i].extension != NULL; i++) {
+    ext = path + (path_len - builtin_mime_types[i].ext_len);
+    if (path_len > builtin_mime_types[i].ext_len &&
+        mg_strcasecmp(ext, builtin_mime_types[i].extension) == 0) {
+      return builtin_mime_types[i].mime_type;
+    }
+  }
+
+  return "text/plain";
+}
+
+// Look at the "path" extension and figure what mime type it has.
+// Store mime type in the vector.
+static void get_mime_type(struct mg_context *ctx, const char *path,
+                          struct vec *vec) {
+  struct vec ext_vec, mime_vec;
+  const char *list, *ext;
+  size_t path_len;
+
+  path_len = strlen(path);
+
+  // Scan user-defined mime types first, in case user wants to
+  // override default mime types.
+  list = ctx->config[EXTRA_MIME_TYPES];
+  while ((list = next_option(list, &ext_vec, &mime_vec)) != NULL) {
+    // ext now points to the path suffix
+    ext = path + path_len - ext_vec.len;
+    if (mg_strncasecmp(ext, ext_vec.ptr, ext_vec.len) == 0) {
+      *vec = mime_vec;
+      return;
+    }
+  }
+
+  vec->ptr = mg_get_builtin_mime_type(path);
+  vec->len = strlen(vec->ptr);
+}

build/src/options.c

@@ -0,0 +1,56 @@
+#include "internal.h"
+
+// This array must be in sync with enum in internal.h
+static const char *config_options[] = {
+  "cgi_pattern", "**.cgi$|**.pl$|**.php$",
+  "cgi_environment", NULL,
+  "put_delete_auth_file", NULL,
+  "cgi_interpreter", NULL,
+  "protect_uri", NULL,
+  "authentication_domain", "mydomain.com",
+  "ssi_pattern", "**.shtml$|**.shtm$",
+  "access_log_file", NULL,
+  "enable_directory_listing", "yes",
+  "error_log_file", NULL,
+  "global_auth_file", NULL,
+  "index_files",
+    "index.html,index.htm,index.cgi,index.shtml,index.php,index.lp",
+  "enable_keep_alive", "no",
+  "access_control_list", NULL,
+  "extra_mime_types", NULL,
+  "listening_ports", "8080",
+  "document_root",  NULL,
+  "ssl_certificate", NULL,
+  "num_threads", "50",
+  "run_as_user", NULL,
+  "url_rewrite_patterns", NULL,
+  "hide_files_patterns", NULL,
+  "request_timeout_ms", "30000",
+  NULL
+};
+
+const char **mg_get_valid_option_names(void) {
+  return config_options;
+}
+
+static int get_option_index(const char *name) {
+  int i;
+
+  for (i = 0; config_options[i * 2] != NULL; i++) {
+    if (strcmp(config_options[i * 2], name) == 0) {
+      return i;
+    }
+  }
+  return -1;
+}
+
+const char *mg_get_option(const struct mg_context *ctx, const char *name) {
+  int i;
+  if ((i = get_option_index(name)) == -1) {
+    return NULL;
+  } else if (ctx->config[i] == NULL) {
+    return "";
+  } else {
+    return ctx->config[i];
+  }
+}

build/src/parse_date.c

@@ -0,0 +1,49 @@
+#include "internal.h"
+
+static const char *month_names[] = {
+  "Jan", "Feb", "Mar", "Apr", "May", "Jun",
+  "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"
+};
+
+// Convert month to the month number. Return -1 on error, or month number
+static int get_month_index(const char *s) {
+  int i;
+
+  for (i = 0; i < (int) ARRAY_SIZE(month_names); i++)
+    if (!strcmp(s, month_names[i]))
+      return i;
+
+  return -1;
+}
+
+static int num_leap_years(int year) {
+  return year / 4 - year / 100 + year / 400;
+}
+
+// Parse UTC date-time string, and return the corresponding time_t value.
+static time_t parse_date_string(const char *datetime) {
+  static const unsigned short days_before_month[] = {
+    0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334
+  };
+  char month_str[32];
+  int second, minute, hour, day, month, year, leap_days, days;
+  time_t result = (time_t) 0;
+
+  if (((sscanf(datetime, "%d/%3s/%d %d:%d:%d",
+               &day, month_str, &year, &hour, &minute, &second) == 6) ||
+       (sscanf(datetime, "%d %3s %d %d:%d:%d",
+               &day, month_str, &year, &hour, &minute, &second) == 6) ||
+       (sscanf(datetime, "%*3s, %d %3s %d %d:%d:%d",
+               &day, month_str, &year, &hour, &minute, &second) == 6) ||
+       (sscanf(datetime, "%d-%3s-%d %d:%d:%d",
+               &day, month_str, &year, &hour, &minute, &second) == 6)) &&
+      year > 1970 &&
+      (month = get_month_index(month_str)) != -1) {
+    leap_days = num_leap_years(year) - num_leap_years(1970);
+    year -= 1970;
+    days = year * 365 + days_before_month[month] + (day - 1) + leap_days;
+    result = days * 24 * 3600 + hour * 3600 + minute * 60 + second;
+  }
+
+  return result;
+}

build/src/parse_http.c

@@ -0,0 +1,63 @@
+#include "internal.h"
+
+// Parse HTTP headers from the given buffer, advance buffer to the point
+// where parsing stopped.
+static void parse_http_headers(char **buf, struct mg_request_info *ri) {
+  int i;
+
+  for (i = 0; i < (int) ARRAY_SIZE(ri->http_headers); i++) {
+    ri->http_headers[i].name = skip_quoted(buf, ":", " ", 0);
+    ri->http_headers[i].value = skip(buf, "\r\n");
+    if (ri->http_headers[i].name[0] == '\0')
+      break;
+    ri->num_headers = i + 1;
+  }
+}
+
+static int is_valid_http_method(const char *method) {
+  return !strcmp(method, "GET") || !strcmp(method, "POST") ||
+    !strcmp(method, "HEAD") || !strcmp(method, "CONNECT") ||
+    !strcmp(method, "PUT") || !strcmp(method, "DELETE") ||
+    !strcmp(method, "OPTIONS") || !strcmp(method, "PROPFIND")
+    || !strcmp(method, "MKCOL");
+}
+
+// Parse HTTP request, fill in mg_request_info structure.
+// This function modifies the buffer by NUL-terminating
+// HTTP request components, header names and header values.
+static int parse_http_message(char *buf, int len, struct mg_request_info *ri) {
+  int is_request, request_length = get_request_len(buf, len);
+  if (request_length > 0) {
+    // Reset attributes. DO NOT TOUCH is_ssl, remote_ip, remote_port
+    ri->remote_user = ri->request_method = ri->uri = ri->http_version = NULL;
+    ri->num_headers = 0;
+
+    buf[request_length - 1] = '\0';
+
+    // RFC says that all initial whitespaces should be ingored
+    while (*buf != '\0' && isspace(* (unsigned char *) buf)) {
+      buf++;
+    }
+    ri->request_method = skip(&buf, " ");
+    ri->uri = skip(&buf, " ");
+    ri->http_version = skip(&buf, "\r\n");
+
+    // HTTP message could be either HTTP request or HTTP response, e.g.
+    // "GET / HTTP/1.0 ...." or  "HTTP/1.0 200 OK ..."
+    is_request = is_valid_http_method(ri->request_method);
+    if ((is_request && memcmp(ri->http_version, "HTTP/", 5) != 0) ||
+        (!is_request && memcmp(ri->request_method, "HTTP/", 5) != 0)) {
+      request_length = -1;
+    } else {
+      if (is_request) {
+        ri->http_version += 5;
+      }
+      parse_http_headers(&buf, ri);
+    }
+  }
+  return request_length;
+}
+
+static int parse_range_header(const char *header, int64_t *a, int64_t *b) {
+  return sscanf(header, "bytes=%" INT64_FMT "-%" INT64_FMT, a, b);
+}

build/src/ssl.c

@@ -0,0 +1,178 @@
+#include "internal.h"
+
+#if !defined(NO_SSL)
+// set_ssl_option() function updates this array.
+// It loads SSL library dynamically and changes NULLs to the actual addresses
+// of respective functions. The macros above (like SSL_connect()) are really
+// just calling these functions indirectly via the pointer.
+static struct ssl_func ssl_sw[] = {
+  {"SSL_free",   NULL},
+  {"SSL_accept",   NULL},
+  {"SSL_connect",   NULL},
+  {"SSL_read",   NULL},
+  {"SSL_write",   NULL},
+  {"SSL_get_error",  NULL},
+  {"SSL_set_fd",   NULL},
+  {"SSL_new",   NULL},
+  {"SSL_CTX_new",   NULL},
+  {"SSLv23_server_method", NULL},
+  {"SSL_library_init",  NULL},
+  {"SSL_CTX_use_PrivateKey_file", NULL},
+  {"SSL_CTX_use_certificate_file",NULL},
+  {"SSL_CTX_set_default_passwd_cb",NULL},
+  {"SSL_CTX_free",  NULL},
+  {"SSL_load_error_strings", NULL},
+  {"SSL_CTX_use_certificate_chain_file", NULL},
+  {"SSLv23_client_method", NULL},
+  {"SSL_pending", NULL},
+  {"SSL_CTX_set_verify", NULL},
+  {"SSL_shutdown",   NULL},
+  {NULL,    NULL}
+};
+
+// Similar array as ssl_sw. These functions could be located in different lib.
+static struct ssl_func crypto_sw[] = {
+  {"CRYPTO_num_locks",  NULL},
+  {"CRYPTO_set_locking_callback", NULL},
+  {"CRYPTO_set_id_callback", NULL},
+  {"ERR_get_error",  NULL},
+  {"ERR_error_string", NULL},
+  {NULL,    NULL}
+};
+
+static pthread_mutex_t *ssl_mutexes;
+
+static int sslize(struct mg_connection *conn, SSL_CTX *s, int (*func)(SSL *)) {
+  return (conn->ssl = SSL_new(s)) != NULL &&
+    SSL_set_fd(conn->ssl, conn->client.sock) == 1 &&
+    func(conn->ssl) == 1;
+}
+
+// Return OpenSSL error message
+static const char *ssl_error(void) {
+  unsigned long err;
+  err = ERR_get_error();
+  return err == 0 ? "" : ERR_error_string(err, NULL);
+}
+
+static void ssl_locking_callback(int mode, int mutex_num, const char *file,
+                                 int line) {
+  (void) line;
+  (void) file;
+
+  if (mode & 1) {  // 1 is CRYPTO_LOCK
+    (void) pthread_mutex_lock(&ssl_mutexes[mutex_num]);
+  } else {
+    (void) pthread_mutex_unlock(&ssl_mutexes[mutex_num]);
+  }
+}
+
+static unsigned long ssl_id_callback(void) {
+  return (unsigned long) pthread_self();
+}
+
+#if !defined(NO_SSL_DL)
+static int load_dll(struct mg_context *ctx, const char *dll_name,
+                    struct ssl_func *sw) {
+  union {void *p; void (*fp)(void);} u;
+  void  *dll_handle;
+  struct ssl_func *fp;
+
+  if ((dll_handle = dlopen(dll_name, RTLD_LAZY)) == NULL) {
+    cry(fc(ctx), "%s: cannot load %s", __func__, dll_name);
+    return 0;
+  }
+
+  for (fp = sw; fp->name != NULL; fp++) {
+#ifdef _WIN32
+    // GetProcAddress() returns pointer to function
+    u.fp = (void (*)(void)) dlsym(dll_handle, fp->name);
+#else
+    // dlsym() on UNIX returns void *. ISO C forbids casts of data pointers to
+    // function pointers. We need to use a union to make a cast.
+    u.p = dlsym(dll_handle, fp->name);
+#endif // _WIN32
+    if (u.fp == NULL) {
+      cry(fc(ctx), "%s: %s: cannot find %s", __func__, dll_name, fp->name);
+      return 0;
+    } else {
+      fp->ptr = u.fp;
+    }
+  }
+
+  return 1;
+}
+#endif // NO_SSL_DL
+
+// Dynamically load SSL library. Set up ctx->ssl_ctx pointer.
+static int set_ssl_option(struct mg_context *ctx) {
+  int i, size;
+  const char *pem;
+
+  // If PEM file is not specified and the init_ssl callback
+  // is not specified, skip SSL initialization.
+  if ((pem = ctx->config[SSL_CERTIFICATE]) == NULL) {
+    //  MG_INIT_SSL
+    //  ctx->callbacks.init_ssl == NULL) {
+    return 1;
+  }
+
+#if !defined(NO_SSL_DL)
+  if (!load_dll(ctx, SSL_LIB, ssl_sw) ||
+      !load_dll(ctx, CRYPTO_LIB, crypto_sw)) {
+    return 0;
+  }
+#endif // NO_SSL_DL
+
+  // Initialize SSL library
+  SSL_library_init();
+  SSL_load_error_strings();
+
+  if ((ctx->ssl_ctx = SSL_CTX_new(SSLv23_server_method())) == NULL) {
+    cry(fc(ctx), "SSL_CTX_new (server) error: %s", ssl_error());
+    return 0;
+  }
+
+  // If user callback returned non-NULL, that means that user callback has
+  // set up certificate itself. In this case, skip sertificate setting.
+  // MG_INIT_SSL
+  if (SSL_CTX_use_certificate_file(ctx->ssl_ctx, pem, 1) == 0 ||
+      SSL_CTX_use_PrivateKey_file(ctx->ssl_ctx, pem, 1) == 0) {
+    cry(fc(ctx), "%s: cannot open %s: %s", __func__, pem, ssl_error());
+    return 0;
+  }
+
+  if (pem != NULL) {
+    (void) SSL_CTX_use_certificate_chain_file(ctx->ssl_ctx, pem);
+  }
+
+  // Initialize locking callbacks, needed for thread safety.
+  // http://www.openssl.org/support/faq.html#PROG1
+  size = sizeof(pthread_mutex_t) * CRYPTO_num_locks();
+  if ((ssl_mutexes = (pthread_mutex_t *) malloc((size_t)size)) == NULL) {
+    cry(fc(ctx), "%s: cannot allocate mutexes: %s", __func__, ssl_error());
+    return 0;
+  }
+
+  for (i = 0; i < CRYPTO_num_locks(); i++) {
+    pthread_mutex_init(&ssl_mutexes[i], NULL);
+  }
+
+  CRYPTO_set_locking_callback(&ssl_locking_callback);
+  CRYPTO_set_id_callback(&ssl_id_callback);
+
+  return 1;
+}
+
+static void uninitialize_ssl(struct mg_context *ctx) {
+  int i;
+  if (ctx->ssl_ctx != NULL) {
+    CRYPTO_set_locking_callback(NULL);
+    for (i = 0; i < CRYPTO_num_locks(); i++) {
+      pthread_mutex_destroy(&ssl_mutexes[i]);
+    }
+    CRYPTO_set_locking_callback(NULL);
+    CRYPTO_set_id_callback(NULL);
+  }
+}
+#endif // !NO_SSL

build/src/string.c

@@ -0,0 +1,423 @@
+#include "internal.h"
+
+static void mg_strlcpy(register char *dst, register const char *src, size_t n) {
+  for (; *src != '\0' && n > 1; n--) {
+    *dst++ = *src++;
+  }
+  *dst = '\0';
+}
+
+static int lowercase(const char *s) {
+  return tolower(* (const unsigned char *) s);
+}
+
+static int mg_strncasecmp(const char *s1, const char *s2, size_t len) {
+  int diff = 0;
+
+  if (len > 0)
+    do {
+      diff = lowercase(s1++) - lowercase(s2++);
+    } while (diff == 0 && s1[-1] != '\0' && --len > 0);
+
+  return diff;
+}
+
+static int mg_strcasecmp(const char *s1, const char *s2) {
+  int diff;
+
+  do {
+    diff = lowercase(s1++) - lowercase(s2++);
+  } while (diff == 0 && s1[-1] != '\0');
+
+  return diff;
+}
+
+static char * mg_strndup(const char *ptr, size_t len) {
+  char *p;
+
+  if ((p = (char *) malloc(len + 1)) != NULL) {
+    mg_strlcpy(p, ptr, len + 1);
+  }
+
+  return p;
+}
+
+static char * mg_strdup(const char *str) {
+  return mg_strndup(str, strlen(str));
+}
+
+static const char *mg_strcasestr(const char *big_str, const char *small_str) {
+  int i, big_len = strlen(big_str), small_len = strlen(small_str);
+
+  for (i = 0; i <= big_len - small_len; i++) {
+    if (mg_strncasecmp(big_str + i, small_str, small_len) == 0) {
+      return big_str + i;
+    }
+  }
+
+  return NULL;
+}
+
+// Like snprintf(), but never returns negative value, or a value
+// that is larger than a supplied buffer.
+// Thanks to Adam Zeldis to pointing snprintf()-caused vulnerability
+// in his audit report.
+static int mg_vsnprintf(char *buf, size_t buflen, const char *fmt, va_list ap) {
+  int n;
+
+  if (buflen == 0) {
+    return 0;
+  }
+
+  n = vsnprintf(buf, buflen, fmt, ap);
+
+  if (n < 0) {
+    n = 0;
+  } else if (n >= (int) buflen) {
+    n = (int) buflen - 1;
+  }
+  buf[n] = '\0';
+
+  return n;
+}
+
+static int mg_snprintf(char *buf, size_t buflen,
+    PRINTF_FORMAT_STRING(const char *fmt), ...) PRINTF_ARGS(3, 4);
+
+static int mg_snprintf(char *buf, size_t buflen, const char *fmt, ...) {
+  va_list ap;
+  int n;
+
+  va_start(ap, fmt);
+  n = mg_vsnprintf(buf, buflen, fmt, ap);
+  va_end(ap);
+
+  return n;
+}
+
+// Skip the characters until one of the delimiters characters found.
+// 0-terminate resulting word. Skip the delimiter and following whitespaces.
+// Advance pointer to buffer to the next word. Return found 0-terminated word.
+// Delimiters can be quoted with quotechar.
+static char *skip_quoted(char **buf, const char *delimiters,
+                         const char *whitespace, char quotechar) {
+  char *p, *begin_word, *end_word, *end_whitespace;
+
+  begin_word = *buf;
+  end_word = begin_word + strcspn(begin_word, delimiters);
+
+  // Check for quotechar
+  if (end_word > begin_word) {
+    p = end_word - 1;
+    while (*p == quotechar) {
+      // If there is anything beyond end_word, copy it
+      if (*end_word == '\0') {
+        *p = '\0';
+        break;
+      } else {
+        size_t end_off = strcspn(end_word + 1, delimiters);
+        memmove (p, end_word, end_off + 1);
+        p += end_off; // p must correspond to end_word - 1
+        end_word += end_off + 1;
+      }
+    }
+    for (p++; p < end_word; p++) {
+      *p = '\0';
+    }
+  }
+
+  if (*end_word == '\0') {
+    *buf = end_word;
+  } else {
+    end_whitespace = end_word + 1 + strspn(end_word + 1, whitespace);
+
+    for (p = end_word; p < end_whitespace; p++) {
+      *p = '\0';
+    }
+
+    *buf = end_whitespace;
+  }
+
+  return begin_word;
+}
+
+// Simplified version of skip_quoted without quote char
+// and whitespace == delimiters
+static char *skip(char **buf, const char *delimiters) {
+  return skip_quoted(buf, delimiters, delimiters, 0);
+}
+
+
+// Return HTTP header value, or NULL if not found.
+static const char *get_header(const struct mg_request_info *ri,
+                              const char *name) {
+  int i;
+
+  for (i = 0; i < ri->num_headers; i++)
+    if (!mg_strcasecmp(name, ri->http_headers[i].name))
+      return ri->http_headers[i].value;
+
+  return NULL;
+}
+
+const char *mg_get_header(const struct mg_connection *conn, const char *name) {
+  return get_header(&conn->request_info, name);
+}
+
+// A helper function for traversing a comma separated list of values.
+// It returns a list pointer shifted to the next value, or NULL if the end
+// of the list found.
+// Value is stored in val vector. If value has form "x=y", then eq_val
+// vector is initialized to point to the "y" part, and val vector length
+// is adjusted to point only to "x".
+static const char *next_option(const char *list, struct vec *val,
+                               struct vec *eq_val) {
+  if (list == NULL || *list == '\0') {
+    // End of the list
+    list = NULL;
+  } else {
+    val->ptr = list;
+    if ((list = strchr(val->ptr, ',')) != NULL) {
+      // Comma found. Store length and shift the list ptr
+      val->len = list - val->ptr;
+      list++;
+    } else {
+      // This value is the last one
+      list = val->ptr + strlen(val->ptr);
+      val->len = list - val->ptr;
+    }
+
+    if (eq_val != NULL) {
+      // Value has form "x=y", adjust pointers and lengths
+      // so that val points to "x", and eq_val points to "y".
+      eq_val->len = 0;
+      eq_val->ptr = (const char *) memchr(val->ptr, '=', val->len);
+      if (eq_val->ptr != NULL) {
+        eq_val->ptr++;  // Skip over '=' character
+        eq_val->len = val->ptr + val->len - eq_val->ptr;
+        val->len = (eq_val->ptr - val->ptr) - 1;
+      }
+    }
+  }
+
+  return list;
+}
+
+// Perform case-insensitive match of string against pattern
+static int match_prefix(const char *pattern, int pattern_len, const char *str) {
+  const char *or_str;
+  int i, j, len, res;
+
+  if ((or_str = (const char *) memchr(pattern, '|', pattern_len)) != NULL) {
+    res = match_prefix(pattern, or_str - pattern, str);
+    return res > 0 ? res :
+        match_prefix(or_str + 1, (pattern + pattern_len) - (or_str + 1), str);
+  }
+
+  i = j = 0;
+  res = -1;
+  for (; i < pattern_len; i++, j++) {
+    if (pattern[i] == '?' && str[j] != '\0') {
+      continue;
+    } else if (pattern[i] == '$') {
+      return str[j] == '\0' ? j : -1;
+    } else if (pattern[i] == '*') {
+      i++;
+      if (pattern[i] == '*') {
+        i++;
+        len = (int) strlen(str + j);
+      } else {
+        len = (int) strcspn(str + j, "/");
+      }
+      if (i == pattern_len) {
+        return j + len;
+      }
+      do {
+        res = match_prefix(pattern + i, pattern_len - i, str + j + len);
+      } while (res == -1 && len-- > 0);
+      return res == -1 ? -1 : j + res + len;
+    } else if (lowercase(&pattern[i]) != lowercase(&str[j])) {
+      return -1;
+    }
+  }
+  return j;
+}
+
+// Protect against directory disclosure attack by removing '..',
+// excessive '/' and '\' characters
+static void remove_double_dots_and_double_slashes(char *s) {
+  char *p = s;
+
+  while (*s != '\0') {
+    *p++ = *s++;
+    if (s[-1] == '/' || s[-1] == '\\') {
+      // Skip all following slashes, backslashes and double-dots
+      while (s[0] != '\0') {
+        if (s[0] == '/' || s[0] == '\\') {
+          s++;
+        } else if (s[0] == '.' && s[1] == '.') {
+          s += 2;
+        } else {
+          break;
+        }
+      }
+    }
+  }
+  *p = '\0';
+}
+
+void mg_url_encode(const char *src, char *dst, size_t dst_len) {
+  static const char *dont_escape = "._-$,;~()";
+  static const char *hex = "0123456789abcdef";
+  const char *end = dst + dst_len - 1;
+
+  for (; *src != '\0' && dst < end; src++, dst++) {
+    if (isalnum(*(const unsigned char *) src) ||
+        strchr(dont_escape, * (const unsigned char *) src) != NULL) {
+      *dst = *src;
+    } else if (dst + 2 < end) {
+      dst[0] = '%';
+      dst[1] = hex[(* (const unsigned char *) src) >> 4];
+      dst[2] = hex[(* (const unsigned char *) src) & 0xf];
+      dst += 2;
+    }
+  }
+
+  *dst = '\0';
+}
+
+int mg_url_decode(const char *src, int src_len, char *dst,
+                  int dst_len, int is_form_url_encoded) {
+  int i, j, a, b;
+#define HEXTOI(x) (isdigit(x) ? x - '0' : x - 'W')
+
+  for (i = j = 0; i < src_len && j < dst_len - 1; i++, j++) {
+    if (src[i] == '%' && i < src_len - 2 &&
+        isxdigit(* (const unsigned char *) (src + i + 1)) &&
+        isxdigit(* (const unsigned char *) (src + i + 2))) {
+      a = tolower(* (const unsigned char *) (src + i + 1));
+      b = tolower(* (const unsigned char *) (src + i + 2));
+      dst[j] = (char) ((HEXTOI(a) << 4) | HEXTOI(b));
+      i += 2;
+    } else if (is_form_url_encoded && src[i] == '+') {
+      dst[j] = ' ';
+    } else {
+      dst[j] = src[i];
+    }
+  }
+
+  dst[j] = '\0'; // Null-terminate the destination
+
+  return i >= src_len ? j : -1;
+}
+
+// Check whether full request is buffered. Return:
+//   -1  if request is malformed
+//    0  if request is not yet fully buffered
+//   >0  actual request length, including last \r\n\r\n
+static int get_request_len(const char *buf, int buf_len) {
+  int i;
+
+  for (i = 0; i < buf_len; i++) {
+    // Control characters are not allowed but >=128 is.
+    // Abort scan as soon as one malformed character is found;
+    // don't let subsequent \r\n\r\n win us over anyhow
+    if (!isprint(* (const unsigned char *) &buf[i]) && buf[i] != '\r' &&
+        buf[i] != '\n' && * (const unsigned char *) &buf[i] < 128) {
+      return -1;
+    } else if (buf[i] == '\n' && i + 1 < buf_len && buf[i + 1] == '\n') {
+      return i + 2;
+    } else if (buf[i] == '\n' && i + 2 < buf_len && buf[i + 1] == '\r' &&
+               buf[i + 2] == '\n') {
+      return i + 3;
+    }
+  }
+
+  return 0;
+}
+
+int mg_get_cookie(const char *cookie_header, const char *var_name,
+                  char *dst, size_t dst_size) {
+  const char *s, *p, *end;
+  int name_len, len = -1;
+
+  if (dst == NULL || dst_size == 0) {
+    len = -2;
+  } else if (var_name == NULL || (s = cookie_header) == NULL) {
+    len = -1;
+    dst[0] = '\0';
+  } else {
+    name_len = (int) strlen(var_name);
+    end = s + strlen(s);
+    dst[0] = '\0';
+
+    for (; (s = mg_strcasestr(s, var_name)) != NULL; s += name_len) {
+      if (s[name_len] == '=') {
+        s += name_len + 1;
+        if ((p = strchr(s, ' ')) == NULL)
+          p = end;
+        if (p[-1] == ';')
+          p--;
+        if (*s == '"' && p[-1] == '"' && p > s + 1) {
+          s++;
+          p--;
+        }
+        if ((size_t) (p - s) < dst_size) {
+          len = p - s;
+          mg_strlcpy(dst, s, (size_t) len + 1);
+        } else {
+          len = -3;
+        }
+        break;
+      }
+    }
+  }
+  return len;
+}
+
+int mg_get_var(const char *data, size_t data_len, const char *name,
+               char *dst, size_t dst_len) {
+  const char *p, *e, *s;
+  size_t name_len;
+  int len;
+
+  if (dst == NULL || dst_len == 0) {
+    len = -2;
+  } else if (data == NULL || name == NULL || data_len == 0) {
+    len = -1;
+    dst[0] = '\0';
+  } else {
+    name_len = strlen(name);
+    e = data + data_len;
+    len = -1;
+    dst[0] = '\0';
+
+    // data is "var1=val1&var2=val2...". Find variable first
+    for (p = data; p + name_len < e; p++) {
+      if ((p == data || p[-1] == '&') && p[name_len] == '=' &&
+          !mg_strncasecmp(name, p, name_len)) {
+
+        // Point p to variable value
+        p += name_len + 1;
+
+        // Point s to the end of the value
+        s = (const char *) memchr(p, '&', (size_t)(e - p));
+        if (s == NULL) {
+          s = e;
+        }
+        assert(s >= p);
+
+        // Decode variable into destination buffer
+        len = mg_url_decode(p, (size_t)(s - p), dst, dst_len, 1);
+
+        // Redirect error code from -1 to -2 (destination buffer too small).
+        if (len == -1) {
+          len = -2;
+        }
+        break;
+      }
+    }
+  }
+
+  return len;
+}

build/src/unix.c

@@ -0,0 +1,105 @@
+#include "internal.h"
+
+#if !defined(_WIN32)
+static int mg_stat(const char *path, struct file *filep) {
+  struct stat st;
+
+  filep->modification_time = (time_t) 0;
+  if (stat(path, &st) == 0) {
+    filep->size = st.st_size;
+    filep->modification_time = st.st_mtime;
+    filep->is_directory = S_ISDIR(st.st_mode);
+
+    // See https://github.com/cesanta/mongoose/issues/109
+    // Some filesystems report modification time as 0. Artificially
+    // bump it up to mark mg_stat() success.
+    if (filep->modification_time == (time_t) 0) {
+      filep->modification_time = (time_t) 1;
+    }
+  }
+
+  return filep->modification_time != (time_t) 0;
+}
+
+static void set_close_on_exec(int fd) {
+  fcntl(fd, F_SETFD, FD_CLOEXEC);
+}
+
+int mg_start_thread(mg_thread_func_t func, void *param) {
+  pthread_t thread_id;
+  pthread_attr_t attr;
+  int result;
+
+  (void) pthread_attr_init(&attr);
+  (void) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+
+#if USE_STACK_SIZE > 1
+  // Compile-time option to control stack size, e.g. -DUSE_STACK_SIZE=16384
+  (void) pthread_attr_setstacksize(&attr, USE_STACK_SIZE);
+#endif
+
+  result = pthread_create(&thread_id, &attr, func, param);
+  pthread_attr_destroy(&attr);
+
+  return result;
+}
+
+#ifndef NO_CGI
+static pid_t spawn_process(struct mg_connection *conn, const char *prog,
+                           char *envblk, char *envp[], int fdin,
+                           int fdout, const char *dir) {
+  pid_t pid;
+  const char *interp;
+
+  (void) envblk;
+
+  if ((pid = fork()) == -1) {
+    // Parent
+    send_http_error(conn, 500, http_500_error, "fork(): %s", strerror(ERRNO));
+  } else if (pid == 0) {
+    // Child
+    if (chdir(dir) != 0) {
+      cry(conn, "%s: chdir(%s): %s", __func__, dir, strerror(ERRNO));
+    } else if (dup2(fdin, 0) == -1) {
+      cry(conn, "%s: dup2(%d, 0): %s", __func__, fdin, strerror(ERRNO));
+    } else if (dup2(fdout, 1) == -1) {
+      cry(conn, "%s: dup2(%d, 1): %s", __func__, fdout, strerror(ERRNO));
+    } else {
+      // Not redirecting stderr to stdout, to avoid output being littered
+      // with the error messages.
+      (void) close(fdin);
+      (void) close(fdout);
+
+      // After exec, all signal handlers are restored to their default values,
+      // with one exception of SIGCHLD. According to POSIX.1-2001 and Linux's
+      // implementation, SIGCHLD's handler will leave unchanged after exec
+      // if it was set to be ignored. Restore it to default action.
+      signal(SIGCHLD, SIG_DFL);
+
+      interp = conn->ctx->config[CGI_INTERPRETER];
+      if (interp == NULL) {
+        (void) execle(prog, prog, NULL, envp);
+        cry(conn, "%s: execle(%s): %s", __func__, prog, strerror(ERRNO));
+      } else {
+        (void) execle(interp, interp, prog, NULL, envp);
+        cry(conn, "%s: execle(%s %s): %s", __func__, interp, prog,
+            strerror(ERRNO));
+      }
+    }
+    exit(EXIT_FAILURE);
+  }
+
+  return pid;
+}
+#endif // !NO_CGI
+
+static int set_non_blocking_mode(SOCKET sock) {
+  int flags;
+
+  flags = fcntl(sock, F_GETFL, 0);
+  (void) fcntl(sock, F_SETFL, flags | O_NONBLOCK);
+
+  return 0;
+}
+#endif // _WIN32
+

build/src/upload.c

@@ -0,0 +1,140 @@
+#include "internal.h"
+
+FILE *mg_upload(struct mg_connection *conn, const char *destination_dir,
+                char *path, int path_len) {
+  const char *content_type_header, *boundary_start;
+  char *buf, fname[1024], boundary[100], *s, *p;
+  int bl, n, i, j, headers_len, boundary_len, eof, buf_len, to_read, len = 0;
+  FILE *fp;
+
+  // Request looks like this:
+  //
+  // POST /upload HTTP/1.1
+  // Host: 127.0.0.1:8080
+  // Content-Length: 244894
+  // Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryRVr
+  //
+  // ------WebKitFormBoundaryRVr
+  // Content-Disposition: form-data; name="file"; filename="accum.png"
+  // Content-Type: image/png
+  //
+  //  <89>PNG
+  //  <PNG DATA>
+  // ------WebKitFormBoundaryRVr
+
+  // Extract boundary string from the Content-Type header
+  if ((content_type_header = mg_get_header(conn, "Content-Type")) == NULL ||
+      (boundary_start = mg_strcasestr(content_type_header,
+                                      "boundary=")) == NULL ||
+      (sscanf(boundary_start, "boundary=\"%99[^\"]\"", boundary) == 0 &&
+       sscanf(boundary_start, "boundary=%99s", boundary) == 0) ||
+      boundary[0] == '\0') {
+    return NULL;
+  }
+
+  boundary_len = strlen(boundary);
+  bl = boundary_len + 4;  // \r\n--<boundary>
+
+  //                     buf
+  // conn->buf            |<--------- buf_len ------>|
+  //    |=================|==========|===============|
+  //    |<--request_len-->|<--len--->|               |
+  //    |<-----------data_len------->|      conn->buf + conn->buf_size
+
+  buf = conn->buf + conn->request_len;
+  buf_len = conn->buf_size - conn->request_len;
+  len = conn->data_len - conn->request_len;
+
+  for (;;) {
+    // Pull in headers
+    assert(len >= 0 && len <= buf_len);
+    to_read = buf_len - len;
+    if (to_read > left_to_read(conn)) {
+      to_read = (int) left_to_read(conn);
+    }
+    while (len < buf_len &&
+           (n = pull(NULL, conn, buf + len, to_read)) > 0) {
+      len += n;
+    }
+    if ((headers_len = get_request_len(buf, len)) <= 0) {
+      break;
+    }
+
+    // Fetch file name.
+    fname[0] = '\0';
+    for (i = j = 0; i < headers_len; i++) {
+      if (buf[i] == '\r' && buf[i + 1] == '\n') {
+        buf[i] = buf[i + 1] = '\0';
+        // TODO(lsm): don't expect filename to be the 3rd field,
+        // parse the header properly instead.
+        sscanf(&buf[j], "Content-Disposition: %*s %*s filename=\"%1023[^\"]",
+               fname);
+        j = i + 2;
+      }
+    }
+
+    // Give up if the headers are not what we expect
+    if (fname[0] == '\0') {
+      break;
+    }
+
+    // Move data to the beginning of the buffer
+    assert(len >= headers_len);
+    memmove(buf, &buf[headers_len], len - headers_len);
+    len -= headers_len;
+    conn->data_len = conn->request_len + len;
+
+    // We open the file with exclusive lock held. This guarantee us
+    // there is no other thread can save into the same file simultaneously.
+    fp = NULL;
+
+    // Construct destination file name. Do not allow paths to have slashes.
+    s = fname;
+    if ((p = strrchr(fname, '/')) != NULL && p > s) s = p;
+    if ((p = strrchr(fname, '\\')) != NULL && p > s) s = p;
+
+    // Open file in binary mode. TODO: set an exclusive lock.
+    snprintf(path, path_len, "%s/%s", destination_dir, s);
+    if ((fp = fopen(path, "wb")) == NULL) {
+      break;
+    }
+
+    // Read POST data, write into file until boundary is found.
+    eof = n = 0;
+    do {
+      len += n;
+      for (i = 0; i < len - bl; i++) {
+        if (!memcmp(&buf[i], "\r\n--", 4) &&
+            !memcmp(&buf[i + 4], boundary, boundary_len)) {
+          // Found boundary, that's the end of file data.
+          fwrite(buf, 1, i, fp);
+          eof = 1;
+          memmove(buf, &buf[i + bl], len - (i + bl));
+          len -= i + bl;
+          break;
+        }
+      }
+      if (!eof && len > bl) {
+        fwrite(buf, 1, len - bl, fp);
+        memmove(buf, &buf[len - bl], bl);
+        len = bl;
+      }
+      to_read = buf_len - len;
+      if (to_read > left_to_read(conn)) {
+        to_read = (int) left_to_read(conn);
+      }
+    } while (!eof && (n = pull(NULL, conn, buf + len, to_read)) > 0);
+    conn->data_len = conn->request_len + len;
+
+    if (eof) {
+      rewind(fp);
+      return fp;
+    } else {
+      fclose(fp);
+    }
+  }
+
+  return NULL;
+}
+
+

build/src/util.c

@@ -0,0 +1,30 @@
+#include "internal.h"
+
+// Return fake connection structure. Used for logging, if connection
+// is not applicable at the moment of logging.
+static struct mg_connection *fc(struct mg_context *ctx) {
+  static struct mg_connection fake_connection;
+  fake_connection.ctx = ctx;
+  // See https://github.com/cesanta/mongoose/issues/236
+  fake_connection.event.user_data = ctx->user_data;
+  return &fake_connection;
+}
+
+static void sockaddr_to_string(char *buf, size_t len,
+                                     const union usa *usa) {
+  buf[0] = '\0';
+#if defined(USE_IPV6)
+  inet_ntop(usa->sa.sa_family, usa->sa.sa_family == AF_INET ?
+            (void *) &usa->sin.sin_addr :
+            (void *) &usa->sin6.sin6_addr, buf, len);
+#elif defined(_WIN32)
+  // Only Windoze Vista (and newer) have inet_ntop()
+  strncpy(buf, inet_ntoa(usa->sin.sin_addr), len);
+#else
+  inet_ntop(usa->sa.sa_family, (void *) &usa->sin.sin_addr, buf, len);
+#endif
+}
+
+static void gmt_time_string(char *buf, size_t buf_len, time_t *t) {
+  strftime(buf, buf_len, "%a, %d %b %Y %H:%M:%S GMT", gmtime(t));
+}

build/src/webdav.c

@@ -0,0 +1,61 @@
+#include "internal.h"
+
+// Writes PROPFIND properties for a collection element
+static void print_props(struct mg_connection *conn, const char* uri,
+                        struct file *filep) {
+  char mtime[64];
+  gmt_time_string(mtime, sizeof(mtime), &filep->modification_time);
+  conn->num_bytes_sent += mg_printf(conn,
+      "<d:response>"
+       "<d:href>%s</d:href>"
+       "<d:propstat>"
+        "<d:prop>"
+         "<d:resourcetype>%s</d:resourcetype>"
+         "<d:getcontentlength>%" INT64_FMT "</d:getcontentlength>"
+         "<d:getlastmodified>%s</d:getlastmodified>"
+        "</d:prop>"
+        "<d:status>HTTP/1.1 200 OK</d:status>"
+       "</d:propstat>"
+      "</d:response>\n",
+      uri,
+      filep->is_directory ? "<d:collection/>" : "",
+      filep->size,
+      mtime);
+}
+
+static void print_dav_dir_entry(struct de *de, void *data) {
+  char href[PATH_MAX];
+  char href_encoded[PATH_MAX];
+  struct mg_connection *conn = (struct mg_connection *) data;
+  mg_snprintf(href, sizeof(href), "%s%s",
+              conn->request_info.uri, de->file_name);
+  mg_url_encode(href, href_encoded, PATH_MAX-1);
+  print_props(conn, href_encoded, &de->file);
+}
+
+static void handle_propfind(struct mg_connection *conn, const char *path,
+                            struct file *filep) {
+  const char *depth = mg_get_header(conn, "Depth");
+
+  conn->must_close = 1;
+  conn->status_code = 207;
+  mg_printf(conn, "HTTP/1.1 207 Multi-Status\r\n"
+            "Connection: close\r\n"
+            "Content-Type: text/xml; charset=utf-8\r\n\r\n");
+
+  conn->num_bytes_sent += mg_printf(conn,
+      "<?xml version=\"1.0\" encoding=\"utf-8\"?>"
+      "<d:multistatus xmlns:d='DAV:'>\n");
+
+  // Print properties for the requested resource itself
+  print_props(conn, conn->request_info.uri, filep);
+
+  // If it is a directory, print directory entries too if Depth is not 0
+  if (filep->is_directory &&
+      !mg_strcasecmp(conn->ctx->config[ENABLE_DIRECTORY_LISTING], "yes") &&
+      (depth == NULL || strcmp(depth, "0") != 0)) {
+    scan_directory(conn, path, conn, &print_dav_dir_entry);
+  }
+
+  conn->num_bytes_sent += mg_printf(conn, "%s\n", "</d:multistatus>");
+}

build/src/websocket.c

@@ -0,0 +1,309 @@
+#include "internal.h"
+
+#if defined(USE_WEBSOCKET)
+
+// START OF SHA-1 code
+// Copyright(c) By Steve Reid <steve@edmweb.com>
+#define SHA1HANDSOFF
+#if defined(__sun)
+#include "solarisfixes.h"
+#endif
+
+union char64long16 { unsigned char c[64]; uint32_t l[16]; };
+
+#define rol(value, bits) (((value) << (bits)) | ((value) >> (32 - (bits))))
+
+static uint32_t blk0(union char64long16 *block, int i) {
+  // Forrest: SHA expect BIG_ENDIAN, swap if LITTLE_ENDIAN
+  if (!is_big_endian()) {
+    block->l[i] = (rol(block->l[i], 24) & 0xFF00FF00) |
+      (rol(block->l[i], 8) & 0x00FF00FF);
+  }
+  return block->l[i];
+}
+
+#define blk(i) (block->l[i&15] = rol(block->l[(i+13)&15]^block->l[(i+8)&15] \
+    ^block->l[(i+2)&15]^block->l[i&15],1))
+#define R0(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk0(block, i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R1(v,w,x,y,z,i) z+=((w&(x^y))^y)+blk(i)+0x5A827999+rol(v,5);w=rol(w,30);
+#define R2(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0x6ED9EBA1+rol(v,5);w=rol(w,30);
+#define R3(v,w,x,y,z,i) z+=(((w|x)&y)|(w&x))+blk(i)+0x8F1BBCDC+rol(v,5);w=rol(w,30);
+#define R4(v,w,x,y,z,i) z+=(w^x^y)+blk(i)+0xCA62C1D6+rol(v,5);w=rol(w,30);
+
+typedef struct {
+    uint32_t state[5];
+    uint32_t count[2];
+    unsigned char buffer[64];
+} SHA1_CTX;
+
+static void SHA1Transform(uint32_t state[5], const unsigned char buffer[64]) {
+  uint32_t a, b, c, d, e;
+  union char64long16 block[1];
+
+  memcpy(block, buffer, 64);
+  a = state[0];
+  b = state[1];
+  c = state[2];
+  d = state[3];
+  e = state[4];
+  R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
+  R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
+  R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
+  R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
+  R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
+  R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
+  R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
+  R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
+  R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
+  R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
+  R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
+  R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
+  R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
+  R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
+  R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
+  R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
+  R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
+  R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
+  R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
+  R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
+  state[0] += a;
+  state[1] += b;
+  state[2] += c;
+  state[3] += d;
+  state[4] += e;
+  a = b = c = d = e = 0;
+  memset(block, '\0', sizeof(block));
+}
+
+static void SHA1Init(SHA1_CTX* context) {
+  context->state[0] = 0x67452301;
+  context->state[1] = 0xEFCDAB89;
+  context->state[2] = 0x98BADCFE;
+  context->state[3] = 0x10325476;
+  context->state[4] = 0xC3D2E1F0;
+  context->count[0] = context->count[1] = 0;
+}
+
+static void SHA1Update(SHA1_CTX* context, const unsigned char* data,
+                       uint32_t len) {
+  uint32_t i, j;
+
+  j = context->count[0];
+  if ((context->count[0] += len << 3) < j)
+    context->count[1]++;
+  context->count[1] += (len>>29);
+  j = (j >> 3) & 63;
+  if ((j + len) > 63) {
+    memcpy(&context->buffer[j], data, (i = 64-j));
+    SHA1Transform(context->state, context->buffer);
+    for ( ; i + 63 < len; i += 64) {
+      SHA1Transform(context->state, &data[i]);
+    }
+    j = 0;
+  }
+  else i = 0;
+  memcpy(&context->buffer[j], &data[i], len - i);
+}
+
+static void SHA1Final(unsigned char digest[20], SHA1_CTX* context) {
+  unsigned i;
+  unsigned char finalcount[8], c;
+
+  for (i = 0; i < 8; i++) {
+    finalcount[i] = (unsigned char)((context->count[(i >= 4 ? 0 : 1)]
+                                     >> ((3-(i & 3)) * 8) ) & 255);
+  }
+  c = 0200;
+  SHA1Update(context, &c, 1);
+  while ((context->count[0] & 504) != 448) {
+    c = 0000;
+    SHA1Update(context, &c, 1);
+  }
+  SHA1Update(context, finalcount, 8);
+  for (i = 0; i < 20; i++) {
+    digest[i] = (unsigned char)
+      ((context->state[i>>2] >> ((3-(i & 3)) * 8) ) & 255);
+  }
+  memset(context, '\0', sizeof(*context));
+  memset(&finalcount, '\0', sizeof(finalcount));
+}
+// END OF SHA1 CODE
+
+static void base64_encode(const unsigned char *src, int src_len, char *dst) {
+  static const char *b64 =
+    "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+  int i, j, a, b, c;
+
+  for (i = j = 0; i < src_len; i += 3) {
+    a = src[i];
+    b = i + 1 >= src_len ? 0 : src[i + 1];
+    c = i + 2 >= src_len ? 0 : src[i + 2];
+
+    dst[j++] = b64[a >> 2];
+    dst[j++] = b64[((a & 3) << 4) | (b >> 4)];
+    if (i + 1 < src_len) {
+      dst[j++] = b64[(b & 15) << 2 | (c >> 6)];
+    }
+    if (i + 2 < src_len) {
+      dst[j++] = b64[c & 63];
+    }
+  }
+  while (j % 4 != 0) {
+    dst[j++] = '=';
+  }
+  dst[j++] = '\0';
+}
+
+void mg_websocket_handshake(struct mg_connection *conn) {
+  static const char *magic = "258EAFA5-E914-47DA-95CA-C5AB0DC85B11";
+  char buf[100], sha[20], b64_sha[sizeof(sha) * 2];
+  SHA1_CTX sha_ctx;
+
+  mg_snprintf(buf, sizeof(buf), "%s%s",
+              mg_get_header(conn, "Sec-WebSocket-Key"), magic);
+  SHA1Init(&sha_ctx);
+  SHA1Update(&sha_ctx, (unsigned char *) buf, strlen(buf));
+  SHA1Final((unsigned char *) sha, &sha_ctx);
+  base64_encode((unsigned char *) sha, sizeof(sha), b64_sha);
+  mg_printf(conn, "%s%s%s",
+            "HTTP/1.1 101 Switching Protocols\r\n"
+            "Upgrade: websocket\r\n"
+            "Connection: Upgrade\r\n"
+            "Sec-WebSocket-Accept: ", b64_sha, "\r\n\r\n");
+}
+
+int mg_websocket_read(struct mg_connection *conn, int *bits, char **data) {
+  // Pointer to the beginning of the portion of the incoming websocket message
+  // queue. The original websocket upgrade request is never removed,
+  // so the queue begins after it.
+  unsigned char *buf = (unsigned char *) conn->buf + conn->request_len;
+  int n, stop = 0;
+  size_t i, len, mask_len, data_len, header_len, body_len;
+  char mask[4];
+
+  assert(conn->content_len == 0);
+
+  // Loop continuously, reading messages from the socket, invoking the callback,
+  // and waiting repeatedly until an error occurs.
+  while (!stop) {
+    header_len = 0;
+    // body_len is the length of the entire queue in bytes
+    // len is the length of the current message
+    // data_len is the length of the current message's data payload
+    // header_len is the length of the current message's header
+    if ((body_len = conn->data_len - conn->request_len) >= 2) {
+      len = buf[1] & 127;
+      mask_len = buf[1] & 128 ? 4 : 0;
+      if (len < 126 && body_len >= mask_len) {
+        data_len = len;
+        header_len = 2 + mask_len;
+      } else if (len == 126 && body_len >= 4 + mask_len) {
+        header_len = 4 + mask_len;
+        data_len = ((((int) buf[2]) << 8) + buf[3]);
+      } else if (body_len >= 10 + mask_len) {
+        header_len = 10 + mask_len;
+        data_len = (((uint64_t) htonl(* (uint32_t *) &buf[2])) << 32) +
+          htonl(* (uint32_t *) &buf[6]);
+      }
+    }
+
+    // Data layout is as follows:
+    //  conn->buf               buf
+    //     v                     v              frame1           | frame2
+    //     |---------------------|----------------|--------------|-------
+    //     |                     |<--header_len-->|<--data_len-->|
+    //     |<-conn->request_len->|<-----body_len----------->|
+    //     |<-------------------conn->data_len------------->|
+
+    if (header_len > 0) {
+      // Allocate space to hold websocket payload
+      if ((*data = malloc(data_len)) == NULL) {
+        // Allocation failed, exit the loop and then close the connection
+        // TODO: notify user about the failure
+        data_len = 0;
+        break;
+      }
+
+      // Save mask and bits, otherwise it may be clobbered by memmove below
+      *bits = buf[0];
+      memcpy(mask, buf + header_len - mask_len, mask_len);
+
+      // Read frame payload into the allocated buffer.
+      assert(body_len >= header_len);
+      if (data_len + header_len > body_len) {
+        len = body_len - header_len;
+        memcpy(*data, buf + header_len, len);
+        // TODO: handle pull error
+        pull_all(NULL, conn, *data + len, data_len - len);
+        conn->data_len = conn->request_len;
+      } else {
+        len = data_len + header_len;
+        memcpy(*data, buf + header_len, data_len);
+        memmove(buf, buf + len, body_len - len);
+        conn->data_len -= len;
+      }
+
+      // Apply mask if necessary
+      if (mask_len > 0) {
+        for (i = 0; i < data_len; i++) {
+          (*data)[i] ^= mask[i % 4];
+        }
+      }
+
+      return data_len;
+    } else {
+      // Buffering websocket request
+      if ((n = pull(NULL, conn, conn->buf + conn->data_len,
+                    conn->buf_size - conn->data_len)) <= 0) {
+        break;
+      }
+      conn->data_len += n;
+    }
+  }
+
+  return 0;
+}
+
+int mg_websocket_write(struct mg_connection* conn, int opcode,
+                       const char *data, size_t data_len) {
+    unsigned char *copy;
+    size_t copy_len = 0;
+    int retval = -1;
+
+    if ((copy = (unsigned char *) malloc(data_len + 10)) == NULL) {
+      return -1;
+    }
+
+    copy[0] = 0x80 + (opcode & 0x0f);
+
+    // Frame format: http://tools.ietf.org/html/rfc6455#section-5.2
+    if (data_len < 126) {
+      // Inline 7-bit length field
+      copy[1] = data_len;
+      memcpy(copy + 2, data, data_len);
+      copy_len = 2 + data_len;
+    } else if (data_len <= 0xFFFF) {
+      // 16-bit length field
+      copy[1] = 126;
+      * (uint16_t *) (copy + 2) = htons(data_len);
+      memcpy(copy + 4, data, data_len);
+      copy_len = 4 + data_len;
+    } else {
+      // 64-bit length field
+      copy[1] = 127;
+      * (uint32_t *) (copy + 2) = htonl((uint64_t) data_len >> 32);
+      * (uint32_t *) (copy + 6) = htonl(data_len & 0xffffffff);
+      memcpy(copy + 10, data, data_len);
+      copy_len = 10 + data_len;
+    }
+
+    // Not thread safe
+    if (copy_len > 0) {
+      retval = mg_write(conn, copy, copy_len);
+    }
+    free(copy);
+
+    return retval;
+}
+#endif // !USE_WEBSOCKET
+

build/src/win32.c

@@ -0,0 +1,373 @@
+#include "internal.h"
+
+#if defined(_WIN32)
+static pthread_t pthread_self(void) {
+  return GetCurrentThreadId();
+}
+
+static int pthread_mutex_init(pthread_mutex_t *mutex, void *unused) {
+  (void) unused;
+  *mutex = CreateMutex(NULL, FALSE, NULL);
+  return *mutex == NULL ? -1 : 0;
+}
+
+static int pthread_mutex_destroy(pthread_mutex_t *mutex) {
+  return CloseHandle(*mutex) == 0 ? -1 : 0;
+}
+
+static int pthread_mutex_lock(pthread_mutex_t *mutex) {
+  return WaitForSingleObject(*mutex, INFINITE) == WAIT_OBJECT_0? 0 : -1;
+}
+
+static int pthread_mutex_unlock(pthread_mutex_t *mutex) {
+  return ReleaseMutex(*mutex) == 0 ? -1 : 0;
+}
+
+// For Windows, change all slashes to backslashes in path names.
+static void change_slashes_to_backslashes(char *path) {
+  int i;
+
+  for (i = 0; path[i] != '\0'; i++) {
+    if (path[i] == '/')
+      path[i] = '\\';
+    // i > 0 check is to preserve UNC paths, like \\server\file.txt
+    if (path[i] == '\\' && i > 0)
+      while (path[i + 1] == '\\' || path[i + 1] == '/')
+        (void) memmove(path + i + 1,
+            path + i + 2, strlen(path + i + 1));
+  }
+}
+
+// Encode 'path' which is assumed UTF-8 string, into UNICODE string.
+// wbuf and wbuf_len is a target buffer and its length.
+static void to_unicode(const char *path, wchar_t *wbuf, size_t wbuf_len) {
+  char buf[PATH_MAX * 2], buf2[PATH_MAX * 2];
+
+  mg_strlcpy(buf, path, sizeof(buf));
+  change_slashes_to_backslashes(buf);
+
+  // Convert to Unicode and back. If doubly-converted string does not
+  // match the original, something is fishy, reject.
+  memset(wbuf, 0, wbuf_len * sizeof(wchar_t));
+  MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, (int) wbuf_len);
+  WideCharToMultiByte(CP_UTF8, 0, wbuf, (int) wbuf_len, buf2, sizeof(buf2),
+                      NULL, NULL);
+  if (strcmp(buf, buf2) != 0) {
+    wbuf[0] = L'\0';
+  }
+}
+
+#if defined(_WIN32_WCE)
+static time_t time(time_t *ptime) {
+  time_t t;
+  SYSTEMTIME st;
+  FILETIME ft;
+
+  GetSystemTime(&st);
+  SystemTimeToFileTime(&st, &ft);
+  t = SYS2UNIX_TIME(ft.dwLowDateTime, ft.dwHighDateTime);
+
+  if (ptime != NULL) {
+    *ptime = t;
+  }
+
+  return t;
+}
+
+static struct tm *localtime(const time_t *ptime, struct tm *ptm) {
+  int64_t t = ((int64_t) *ptime) * RATE_DIFF + EPOCH_DIFF;
+  FILETIME ft, lft;
+  SYSTEMTIME st;
+  TIME_ZONE_INFORMATION tzinfo;
+
+  if (ptm == NULL) {
+    return NULL;
+  }
+
+  * (int64_t *) &ft = t;
+  FileTimeToLocalFileTime(&ft, &lft);
+  FileTimeToSystemTime(&lft, &st);
+  ptm->tm_year = st.wYear - 1900;
+  ptm->tm_mon = st.wMonth - 1;
+  ptm->tm_wday = st.wDayOfWeek;
+  ptm->tm_mday = st.wDay;
+  ptm->tm_hour = st.wHour;
+  ptm->tm_min = st.wMinute;
+  ptm->tm_sec = st.wSecond;
+  ptm->tm_yday = 0; // hope nobody uses this
+  ptm->tm_isdst =
+    GetTimeZoneInformation(&tzinfo) == TIME_ZONE_ID_DAYLIGHT ? 1 : 0;
+
+  return ptm;
+}
+
+static struct tm *gmtime(const time_t *ptime, struct tm *ptm) {
+  // FIXME(lsm): fix this.
+  return localtime(ptime, ptm);
+}
+
+static size_t strftime(char *dst, size_t dst_size, const char *fmt,
+                       const struct tm *tm) {
+  (void) snprintf(dst, dst_size, "implement strftime() for WinCE");
+  return 0;
+}
+#endif
+
+// Windows happily opens files with some garbage at the end of file name.
+// For example, fopen("a.cgi    ", "r") on Windows successfully opens
+// "a.cgi", despite one would expect an error back.
+// This function returns non-0 if path ends with some garbage.
+static int path_cannot_disclose_cgi(const char *path) {
+  static const char *allowed_last_characters = "_-";
+  int last = path[strlen(path) - 1];
+  return isalnum(last) || strchr(allowed_last_characters, last) != NULL;
+}
+
+static int mg_stat(const char *path, struct file *filep) {
+  wchar_t wbuf[PATH_MAX] = L"\\\\?\\";
+  WIN32_FILE_ATTRIBUTE_DATA info;
+
+  filep->modification_time = 0;
+  to_unicode(path, wbuf + 4, ARRAY_SIZE(wbuf) - 4);
+  if (GetFileAttributesExW(wbuf, GetFileExInfoStandard, &info) != 0) {
+    filep->size = MAKEUQUAD(info.nFileSizeLow, info.nFileSizeHigh);
+    filep->modification_time = SYS2UNIX_TIME(
+        info.ftLastWriteTime.dwLowDateTime,
+        info.ftLastWriteTime.dwHighDateTime);
+    filep->is_directory = info.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY;
+    // If file name is fishy, reset the file structure and return error.
+    // Note it is important to reset, not just return the error, cause
+    // functions like is_file_opened() check the struct.
+    if (!filep->is_directory && !path_cannot_disclose_cgi(path)) {
+      memset(filep, 0, sizeof(*filep));
+    }
+  }
+
+  return filep->modification_time != 0;
+}
+
+static int mg_remove(const char *path) {
+  wchar_t wbuf[PATH_MAX];
+  to_unicode(path, wbuf, ARRAY_SIZE(wbuf));
+  return DeleteFileW(wbuf) ? 0 : -1;
+}
+
+static int mg_mkdir(const char *path, int mode) {
+  char buf[PATH_MAX];
+  wchar_t wbuf[PATH_MAX];
+
+  (void) mode;
+  mg_strlcpy(buf, path, sizeof(buf));
+  change_slashes_to_backslashes(buf);
+
+  (void) MultiByteToWideChar(CP_UTF8, 0, buf, -1, wbuf, ARRAY_SIZE(wbuf));
+
+  return CreateDirectoryW(wbuf, NULL) ? 0 : -1;
+}
+
+// Implementation of POSIX opendir/closedir/readdir for Windows.
+static DIR * opendir(const char *name) {
+  DIR *dir = NULL;
+  wchar_t wpath[PATH_MAX];
+  DWORD attrs;
+
+  if (name == NULL) {
+    SetLastError(ERROR_BAD_ARGUMENTS);
+  } else if ((dir = (DIR *) malloc(sizeof(*dir))) == NULL) {
+    SetLastError(ERROR_NOT_ENOUGH_MEMORY);
+  } else {
+    to_unicode(name, wpath, ARRAY_SIZE(wpath));
+    attrs = GetFileAttributesW(wpath);
+    if (attrs != 0xFFFFFFFF &&
+        ((attrs & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY)) {
+      (void) wcscat(wpath, L"\\*");
+      dir->handle = FindFirstFileW(wpath, &dir->info);
+      dir->result.d_name[0] = '\0';
+    } else {
+      free(dir);
+      dir = NULL;
+    }
+  }
+
+  return dir;
+}
+
+static int closedir(DIR *dir) {
+  int result = 0;
+
+  if (dir != NULL) {
+    if (dir->handle != INVALID_HANDLE_VALUE)
+      result = FindClose(dir->handle) ? 0 : -1;
+
+    free(dir);
+  } else {
+    result = -1;
+    SetLastError(ERROR_BAD_ARGUMENTS);
+  }
+
+  return result;
+}
+
+static struct dirent *readdir(DIR *dir) {
+  struct dirent *result = 0;
+
+  if (dir) {
+    if (dir->handle != INVALID_HANDLE_VALUE) {
+      result = &dir->result;
+      (void) WideCharToMultiByte(CP_UTF8, 0,
+          dir->info.cFileName, -1, result->d_name,
+          sizeof(result->d_name), NULL, NULL);
+
+      if (!FindNextFileW(dir->handle, &dir->info)) {
+        (void) FindClose(dir->handle);
+        dir->handle = INVALID_HANDLE_VALUE;
+      }
+
+    } else {
+      SetLastError(ERROR_FILE_NOT_FOUND);
+    }
+  } else {
+    SetLastError(ERROR_BAD_ARGUMENTS);
+  }
+
+  return result;
+}
+
+#ifndef HAVE_POLL
+static int poll(struct pollfd *pfd, int n, int milliseconds) {
+  struct timeval tv;
+  fd_set set;
+  int i, result;
+  SOCKET maxfd = 0;
+
+  tv.tv_sec = milliseconds / 1000;
+  tv.tv_usec = (milliseconds % 1000) * 1000;
+  FD_ZERO(&set);
+
+  for (i = 0; i < n; i++) {
+    FD_SET((SOCKET) pfd[i].fd, &set);
+    pfd[i].revents = 0;
+
+    if (pfd[i].fd > maxfd) {
+        maxfd = pfd[i].fd;
+    }
+  }
+
+  if ((result = select(maxfd + 1, &set, NULL, NULL, &tv)) > 0) {
+    for (i = 0; i < n; i++) {
+      if (FD_ISSET(pfd[i].fd, &set)) {
+        pfd[i].revents = POLLIN;
+      }
+    }
+  }
+
+  return result;
+}
+#endif // HAVE_POLL
+
+static void set_close_on_exec(SOCKET sock) {
+  (void) SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);
+}
+
+int mg_start_thread(mg_thread_func_t f, void *p) {
+  return (long)_beginthread((void (__cdecl *)(void *)) f, 0, p) == -1L ? -1 : 0;
+}
+
+static HANDLE dlopen(const char *dll_name, int flags) {
+  wchar_t wbuf[PATH_MAX];
+  (void) flags;
+  to_unicode(dll_name, wbuf, ARRAY_SIZE(wbuf));
+  return LoadLibraryW(wbuf);
+}
+
+#if !defined(NO_CGI)
+#define SIGKILL 0
+static int kill(pid_t pid, int sig_num) {
+  (void) TerminateProcess(pid, sig_num);
+  (void) CloseHandle(pid);
+  return 0;
+}
+
+static void trim_trailing_whitespaces(char *s) {
+  char *e = s + strlen(s) - 1;
+  while (e > s && isspace(* (unsigned char *) e)) {
+    *e-- = '\0';
+  }
+}
+
+static pid_t spawn_process(struct mg_connection *conn, const char *prog,
+                           char *envblk, char *envp[], int fdin,
+                           int fdout, const char *dir) {
+  HANDLE me;
+  char *interp, full_interp[PATH_MAX], full_dir[PATH_MAX],
+       cmdline[PATH_MAX], buf[PATH_MAX];
+  FILE *fp;
+  STARTUPINFOA si;
+  PROCESS_INFORMATION pi = { 0 };
+
+  (void) envp;
+
+  memset(&si, 0, sizeof(si));
+  si.cb = sizeof(si);
+
+  // TODO(lsm): redirect CGI errors to the error log file
+  si.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW;
+  si.wShowWindow = SW_HIDE;
+
+  me = GetCurrentProcess();
+  DuplicateHandle(me, (HANDLE) _get_osfhandle(fdin), me,
+                  &si.hStdInput, 0, TRUE, DUPLICATE_SAME_ACCESS);
+  DuplicateHandle(me, (HANDLE) _get_osfhandle(fdout), me,
+                  &si.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS);
+
+  // If CGI file is a script, try to read the interpreter line
+  interp = conn->ctx->config[CGI_INTERPRETER];
+  if (interp == NULL) {
+    buf[0] = buf[1] = '\0';
+
+    // Read the first line of the script into the buffer
+    snprintf(cmdline, sizeof(cmdline), "%s%c%s", dir, '/', prog);
+    if ((fp = mg_fopen(cmdline, "r")) != NULL) {
+      fgets(buf, sizeof(buf), fp);
+      fclose(fp);
+      buf[sizeof(buf) - 1] = '\0';
+    }
+
+    if (buf[0] == '#' && buf[1] == '!') {
+      trim_trailing_whitespaces(buf + 2);
+    } else {
+      buf[2] = '\0';
+    }
+    interp = buf + 2;
+  }
+
+  if (interp[0] != '\0') {
+    GetFullPathNameA(interp, sizeof(full_interp), full_interp, NULL);
+    interp = full_interp;
+  }
+  GetFullPathNameA(dir, sizeof(full_dir), full_dir, NULL);
+
+  mg_snprintf(cmdline, sizeof(cmdline), "%s%s\"%s\\%s\"",
+              interp, interp[0] == '\0' ? "" : " ", full_dir, prog);
+
+  DEBUG_TRACE(("Running [%s]", cmdline));
+  if (CreateProcessA(NULL, cmdline, NULL, NULL, TRUE,
+        CREATE_NEW_PROCESS_GROUP, envblk, NULL, &si, &pi) == 0) {
+    cry(conn, "%s: CreateProcess(%s): %ld",
+        __func__, cmdline, ERRNO);
+    pi.hProcess = (pid_t) -1;
+  }
+
+  (void) CloseHandle(si.hStdOutput);
+  (void) CloseHandle(si.hStdInput);
+  (void) CloseHandle(pi.hThread);
+
+  return (pid_t) pi.hProcess;
+}
+#endif // !NO_CGI
+
+static int set_non_blocking_mode(SOCKET sock) {
+  unsigned long on = 1;
+  return ioctlsocket(sock, FIONBIO, &on);
+}
+#endif

build/test/bad2.cgi

@@ -0,0 +1,3 @@
+#!/usr/bin/env perl
+
+print "Status: 302 Please pass me to the client\r\n\r\n";

build/test/dir with spaces/hello.cgi

@@ -0,0 +1,3 @@
+#!/usr/bin/env perl
+
+print "Content-Type: text/plain\n\nhello\n";

build/test/dir with spaces/桌面/index.html

@@ -0,0 +1 @@
+куку!

build/test/embed.c

@@ -119,9 +119,10 @@ static void test_get_request_info(struct mg_connection *conn,
 
 static void test_error(struct mg_connection *conn,
                        const struct mg_request_info *ri) {
+  int status = (int) ri->ev_data;
   mg_printf(conn, "HTTP/1.1 %d XX\r\n"
-            "Conntection: close\r\n\r\n", ri->status_code);
+            "Conntection: close\r\n\r\n", status);
-  mg_printf(conn, "Error: [%d]", ri->status_code);
+  mg_printf(conn, "Error: [%d]", status);
 }
 
 static void test_post(struct mg_connection *conn,

build/test/new.mg.lua

@@ -0,0 +1,43 @@
+mg.write('HTTP/1.0 200 OK\r\n', 'Content-Type: text/plain\r\n', '\r\n')
+mg.write(os.date("%A"))
+
+-- for k,v in pairs(_G) do mg.write(k, '\n') end
+
+-- Open database
+local db = sqlite3.open('requests.db')
+
+-- Setup a trace callback, to show SQL statements we'll be executing.
+-- db:trace(function(data, sql) mg.write('Executing: ', sql: '\n') end, nil)
+
+-- Create a table if it is not created already
+db:exec([[
+  CREATE TABLE IF NOT EXISTS requests (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    timestamp NOT NULL,
+    method NOT NULL,
+    uri NOT NULL,
+    addr
+  );
+]])
+
+
+-- Add entry about this request
+local stmt = db:prepare(
+  'INSERT INTO requests VALUES(NULL, datetime("now"), ?, ?, ?);');
+stmt:bind_values(mg.request_info.request_method,
+                 mg.request_info.uri,
+                 mg.request_info.remote_port)
+stmt:step()
+stmt:finalize()
+
+-- Show all previous records
+mg.write('Previous requests:\n')
+stmt = db:prepare('SELECT * FROM requests ORDER BY id DESC;')
+while stmt:step() == sqlite3.ROW do
+  local v = stmt:get_values()
+  mg.write(v[1] .. ' ' .. v[2] .. ' ' .. v[3] .. ' '
+        .. v[4] .. ' ' .. v[5] .. '\n')
+end
+
+-- Close database
+db:close()

build/test/page.lp

@@ -0,0 +1,67 @@
+HTTP/1.0 200 OK
+Content-Type: text/html
+
+<html>
+<head>
+<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
+</head>
+<body>
+
+
+<p>This is an example Lua server page served by
+<a href="http://code.google.com/p/mongoose">Mongoose web server</a>.
+Mongoose has Lua, Sqlite, and other functionality built in the binary.
+This example page stores the request in the Sqlite database, and shows
+all requests done previously.</p>
+<p> Today is <? mg.write(os.date("%A")) ?>
+
+<pre>
+<?
+  -- for k,v in pairs(_G) do mg.write(k, '\n') end
+
+  -- Open database
+  local db = sqlite3.open('requests.db')
+
+  -- Setup a trace callback, to show SQL statements we'll be executing.
+  -- db:trace(function(data, sql) mg.write('Executing: ', sql: '\n') end, nil)
+
+  -- Create a table if it is not created already
+  db:exec('PRAGMA encoding="UTF-8"; ')
+  db:exec([[
+    CREATE TABLE IF NOT EXISTS requests (
+      id INTEGER PRIMARY KEY AUTOINCREMENT,
+      timestamp NOT NULL,
+      method NOT NULL,
+      uri NOT NULL,
+      addr
+    );
+  ]])
+
+
+  -- Add entry about this request
+  local stmt = db:prepare(
+    'INSERT INTO requests VALUES(NULL, datetime("now"), ?, ?, ?);');
+  stmt:bind_values(mg.request_info.request_method,
+                   mg.request_info.uri,
+                   mg.request_info.remote_port)
+  stmt:step()
+  stmt:finalize()
+
+  -- Show all previous records
+  mg.write('Previous requests:\n')
+  stmt = db:prepare('SELECT * FROM requests ORDER BY id DESC;')
+  while stmt:step() == sqlite3.ROW do
+    local v = stmt:get_values()
+    mg.write(v[1] .. ' ' .. v[2] .. ' ' .. v[3] .. ' '
+          .. v[4] .. ' ' .. v[5] .. '\n')
+  end
+
+  -- Close database
+  db:close()
+?>
+</pre>
+
+This is an example on how to include files a-la SSI:
+<pre><? mg.write(io.open('dll.def'):read('*all')) ?></pre>
+
+</body></html>

build/test/ssi1.shtml

@@ -1,5 +1,5 @@
 <html><pre>
 ssi_begin
-<!--#include file="Makefile" -->
+<!--#include file="../Makefile" -->
 ssi_end
 </pre></html>

build/test/ssi5.shtml

@@ -1,5 +1,5 @@
 <html><pre>
 ssi_begin
-<!--#include file="/etc/passwd" -->
+<!--#include abspath="/etc/passwd" -->
 ssi_end
 </pre></html>

build/test/ssi6.shtml

@@ -1,5 +1,5 @@
 <html><pre>
 ssi_begin
-<!--#include file="c:\boot.ini" -->
+<!--#include abspath="c:\boot.ini" -->
 ssi_end
 </pre></html>

build/test/ssi7.shtml

@@ -1,6 +1,6 @@
 
 <html><pre>
 ssi_begin
-<!--#include "embed.c" -->
+<!--#include "unit_test.c" -->
 ssi_end
 </pre></html>

build/test/ssi9.shtml

@@ -0,0 +1,3 @@
+ssi_begin
+<!--#include file="../Makefile" -->
+ssi_end

build/test/test.pl

@@ -4,24 +4,29 @@
 
 use IO::Socket;
 use File::Path;
+use File::Basename;
+use Cwd;
 use strict;
 use warnings;
 #use diagnostics;
 
 sub on_windows { $^O =~ /win32/i; }
 
-my $port = 23456;
+my $port = 31295;
 my $pid = undef;
 my $num_requests;
 my $dir_separator = on_windows() ? '\\' : '/';
 my $copy_cmd = on_windows() ? 'copy' : 'cp';
 my $test_dir_uri = "test_dir";
-my $root = 'test';
+my $root = './test';
-my $test_dir = $root . $dir_separator. $test_dir_uri;
+my $abs_root = Cwd::abs_path(dirname($0) . $dir_separator);
+my $test_dir = $abs_root . $dir_separator. $test_dir_uri;
+#print "$test_dir\n"; exit 0;
 my $config = 'mongoose.conf';
-my $exe = '.' . $dir_separator . 'mongoose';
+my $exe_ext = on_windows() ? '.exe' : '';
-my $embed_exe = '.' . $dir_separator . 'embed';
+my $mongoose_exe = '.' . $dir_separator . 'mongoose' . $exe_ext;
-my $unit_test_exe = '.' . $dir_separator . 'unit_test';
+my $embed_exe = '.' . $dir_separator . 'embed' . $exe_ext;
+my $unit_test_exe = '.' . $dir_separator . 'unit_test' . $exe_ext;
 my $exit_code = 0;
 
 my @files_to_delete = ('debug.log', 'access.log', $config, "$root/a/put.txt",
@@ -29,6 +34,7 @@ my @files_to_delete = ('debug.log', 'access.log', $config, "$root/a/put.txt",
   "$root/myperl", $embed_exe, $unit_test_exe);
 
 END {
+  #system('cat access.log');
   unlink @files_to_delete;
   kill_spawned_child();
   File::Path::rmtree($test_dir);
@@ -51,9 +57,9 @@ sub get_num_of_log_entries {
 # Send the request to the 127.0.0.1:$port and return the reply
 sub req {
   my ($request, $inc, $timeout) = @_;
-  my $sock = IO::Socket::INET->new(Proto=>"tcp",
+  my $sock = IO::Socket::INET->new(Proto => 6,
-    PeerAddr=>'127.0.0.1', PeerPort=>$port);
+    PeerAddr => '127.0.0.1', PeerPort => $port);
-  fail("Cannot connect: $!") unless $sock;
+  fail("Cannot connect to http://127.0.0.1:$port : $!") unless $sock;
   $sock->autoflush(1);
   foreach my $byte (split //, $request) {
     last unless print $sock $byte;
@@ -97,7 +103,6 @@ sub spawn {
   if (on_windows()) {
     my @args = split /\s+/, $cmdline;
     my $executable = $args[0];
-    $executable .= '.exe';
     Win32::Spawn($executable, $cmdline, $pid);
     die "Cannot spawn @_: $!" unless $pid;
   } else {
@@ -146,41 +151,39 @@ if ($^O =~ /darwin|bsd|linux/) {
   }
 }
 
-if (scalar(@ARGV) > 0 and $ARGV[0] eq 'embedded') {
-  do_embedded_test();
-  exit 0;
-}
-
-if (scalar(@ARGV) > 0 and $ARGV[0] eq 'unit') {
-  do_unit_test();
-  exit 0;
-}
-
 # Make sure we load config file if no options are given.
 # Command line options override config files settings
-write_file($config, "access_log_file access.log\nlistening_ports 12345\n");
+write_file($config, "access_log_file access.log\n" .
-spawn("$exe -p $port");
+           "document_root $root\n" .
-o("GET /test/hello.txt HTTP/1.0\n\n", 'HTTP/1.1 200 OK', 'Loading config file');
+           "listening_port 127.0.0.1:23164\n");
+spawn("$mongoose_exe -listening_port 127.0.0.1:$port");
+o("GET /hello.txt HTTP/1.0\n\n", 'HTTP/1.1 200 OK', 'Loading config file');
 unlink $config;
 kill_spawned_child();
 
+#  "-cgi_environment CGI_FOO=foo,CGI_BAR=bar,CGI_BAZ=baz " .
+#  "-enable_keep_alive yes ".
+
 # Spawn the server on port $port
-my $cmd = "$exe ".
+my $cmd = "$mongoose_exe ".
-  "-listening_ports $port ".
+  "-listening_port 127.0.0.1:$port ".
   "-access_log_file access.log ".
   "-error_log_file debug.log ".
-  "-cgi_environment CGI_FOO=foo,CGI_BAR=bar,CGI_BAZ=baz " .
   "-extra_mime_types .bar=foo/bar,.tar.gz=blah,.baz=foo " .
-  '-put_delete_passwords_file test/passfile ' .
+  "-dav_auth_file $abs_root/passfile " .
   '-access_control_list -0.0.0.0/0,+127.0.0.1 ' .
   "-document_root $root ".
-  "-hide_files_patterns **exploit.pl ".
+  "-hide_files_patterns **exploit.PL ".
-  "-enable_keep_alive yes ".
+  "-url_rewrites /aiased=/etc/,/ta=$test_dir";
-  "-url_rewrite_patterns /aiased=/etc/,/ta=$test_dir";
 $cmd .= ' -cgi_interpreter perl' if on_windows();
 spawn($cmd);
 
-o("GET /hello.txt HTTP/1.1\n\n   GET /hello.txt HTTP/1.0\n\n",
+o("GET /dir%20with%20spaces/桌面/ HTTP/1.0\r\n\r\n", 'куку!',
+  'Non-ascii chars in path');
+o("GET /hello.txt HTTP/1.1\nConnection: close\nRange: bytes=3-50\r\n\r\n",
+  'Content-Length: 15\s', 'Range past the file end');
+o("GET /hello.txt HTTP/1.1\nContent-Length: 0\n\n   ".
+  "GET /hello.txt HTTP/1.0\nContent-Length: 0\n\n",
   'HTTP/1.1 200.+keep-alive.+HTTP/1.1 200.+close',
   'Request pipelining', 2);
 
@@ -200,6 +203,10 @@ o("GET /hello.txt HTTP/1.0\n\n", 'Content-Length: 17\s',
 o("GET /%68%65%6c%6c%6f%2e%74%78%74 HTTP/1.0\n\n",
   'HTTP/1.1 200 OK', 'URL-decoding');
 
+# '+' in URI must not be URL-decoded to space
+write_file("$root/a+.txt", ':-)');
+o("GET /a+.txt HTTP/1.0\n\n", 'HTTP/1.1 200 OK', 'URL-decoding, + in URI');
+
 # Break CGI reading after 1 second. We must get full output.
 # Since CGI script does sleep, we sleep as well and increase request count
 # manually.
@@ -208,21 +215,14 @@ print "==> Slow CGI output ... ";
 fail('Slow CGI output forward reply=', $slow_cgi_reply) unless
   ($slow_cgi_reply = req("GET /timeout.cgi HTTP/1.0\r\n\r\n", 0, 1)) =~ /Some data/s;
 print "OK\n";
-sleep 3;
+sleep 2;
-$num_requests++;
+#$num_requests++;
-
-# '+' in URI must not be URL-decoded to space
-write_file("$root/a+.txt", '');
-o("GET /a+.txt HTTP/1.0\n\n", 'HTTP/1.1 200 OK', 'URL-decoding, + in URI');
-
-o("GET /%5c/a.txt HTTP/1.0\n\n", 'blah', 'GET dir backslash');
 
 # Test HTTP version parsing
-o("GET / HTTPX/1.0\r\n\r\n", '400 Bad Request', 'Bad HTTP Version', 0);
+o("GET / HTTPX/1.0\r\n\r\n", '^HTTP/1.1 400', 'Bad HTTP Version', 0);
-o("GET / HTTP/x.1\r\n\r\n", '505 HTTP', 'Bad HTTP maj Version');
+o("GET / HTTP/x.1\r\n\r\n", '^HTTP/1.1 505', 'Bad HTTP maj Version', 1);
-o("GET / HTTP/1.1z\r\n\r\n", '505 HTTP', 'Bad HTTP min Version');
+o("GET / HTTP/1.1z\r\n\r\n", '^HTTP/1.1 505', 'Bad HTTP min Version', 1);
-o("GET / HTTP/02.0\r\n\r\n", '505 HTTP version not supported',
+o("GET / HTTP/02.0\r\n\r\n", '^HTTP/1.1 505', 'HTTP Version >1.1', 1);
-  'HTTP Version >1.1');
 
 # File with leading single dot
 o("GET /.leading.dot.txt HTTP/1.0\n\n", 'abc123', 'Leading dot 1');
@@ -247,8 +247,9 @@ write_file($path, read_file($root . $dir_separator . 'env.cgi'));
 chmod(0755, $path);
 o("GET /$test_dir_uri/x/ HTTP/1.0\n\n", "Content-Type: text/html\r\n\r\n",
   'index.cgi execution');
+
 o("GET /$test_dir_uri/x/ HTTP/1.0\n\n",
-  "SCRIPT_FILENAME=test/test_dir/x/index.cgi", 'SCRIPT_FILENAME');
+  "SCRIPT_FILENAME=$test_dir/x/index.cgi", 'SCRIPT_FILENAME');
 o("GET /ta/x/ HTTP/1.0\n\n", "SCRIPT_NAME=/ta/x/index.cgi",
   'Aliases SCRIPT_NAME');
 o("GET /hello.txt HTTP/1.1\nConnection: close\n\n", 'Connection: close',
@@ -344,6 +345,9 @@ unless (scalar(@ARGV) > 0 and $ARGV[0] eq "basic_tests") {
   my $auth_header = "Digest username=\"user with space, \\\" and comma\", ".
     "realm=\"mydomain.com\", nonce=\"1291376417\", uri=\"/\",".
     "response=\"e8dec0c2a1a0c8a7e9a97b4b5ea6a6e6\", qop=auth, nc=00000001, cnonce=\"1a49b53a47a66e82\"";
+  # TODO(lsm): re-enable auth checks
+  unlink "$root/.htpasswd";
+
   o("GET /hello.txt HTTP/1.0\nAuthorization: $auth_header\n\n", 'HTTP/1.1 200 OK', 'GET regular file with auth');
   o("GET / HTTP/1.0\nAuthorization: $auth_header\n\n", '^(.(?!(.htpasswd)))*$',
     '.htpasswd is hidden from the directory list');
@@ -353,11 +357,12 @@ unless (scalar(@ARGV) > 0 and $ARGV[0] eq "basic_tests") {
     '^HTTP/1.1 404 ', '.htpasswd must not be shown');
   o("GET /exploit.pl HTTP/1.0\nAuthorization: $auth_header\n\n",
     '^HTTP/1.1 404', 'hidden files must not be shown');
-  unlink "$root/.htpasswd";
 
 
+  o("GET /dir%20with%20spaces/hello.cgi HTTP/1.0\n\r\n",
+      'HTTP/1.1 200 OK.+hello', 'CGI script with spaces in path');
   o("GET /env.cgi HTTP/1.0\n\r\n", 'HTTP/1.1 200 OK', 'GET CGI file');
-  o("GET /bad2.cgi HTTP/1.0\n\n", "HTTP/1.1 123 Please pass me to the client\r",
+  o("GET /bad2.cgi HTTP/1.0\n\n", "HTTP/1.1 302 Please pass me to the client\r",
     'CGI Status code text');
   o("GET /sh.cgi HTTP/1.0\n\r\n", 'shell script CGI',
     'GET sh CGI file') unless on_windows();
@@ -381,11 +386,10 @@ unless (scalar(@ARGV) > 0 and $ARGV[0] eq "basic_tests") {
   o("GET /env.cgi%2b HTTP/1.0\n\r\n",
     'HTTP/1.1 404', 'CGI Win32 code disclosure (%2b)');
   o("GET /env.cgi HTTP/1.0\n\r\n", '\nHTTPS=off\n', 'CGI HTTPS');
-  o("GET /env.cgi HTTP/1.0\n\r\n", '\nCGI_FOO=foo\n', '-cgi_env 1');
-  o("GET /env.cgi HTTP/1.0\n\r\n", '\nCGI_BAR=bar\n', '-cgi_env 2');
-  o("GET /env.cgi HTTP/1.0\n\r\n", '\nCGI_BAZ=baz\n', '-cgi_env 3');
   o("GET /env.cgi/a/b/98 HTTP/1.0\n\r\n", 'PATH_INFO=/a/b/98\n', 'PATH_INFO');
   o("GET /env.cgi/a/b/9 HTTP/1.0\n\r\n", 'PATH_INFO=/a/b/9\n', 'PATH_INFO');
+  o("GET /env.cgi/foo/bar?a=b HTTP/1.0\n\n",
+    'SCRIPT_NAME=/env.cgi\s', 'SCRIPT_NAME for CGI with PATH_INFO');
 
   # Check that CGI's current directory is set to script's directory
   my $copy_cmd = on_windows() ? 'copy' : 'cp';
@@ -394,29 +398,12 @@ unless (scalar(@ARGV) > 0 and $ARGV[0] eq "basic_tests") {
   o("GET /$test_dir_uri/env.cgi HTTP/1.0\n\n",
     "CURRENT_DIR=.*$root/$test_dir_uri", "CGI chdir()");
 
-  # SSI tests
-  o("GET /ssi1.shtml HTTP/1.0\n\n",
-    'ssi_begin.+CFLAGS.+ssi_end', 'SSI #include file=');
-  o("GET /ssi2.shtml HTTP/1.0\n\n",
-    'ssi_begin.+Unit test.+ssi_end', 'SSI #include virtual=');
-  my $ssi_exec = on_windows() ? 'ssi4.shtml' : 'ssi3.shtml';
-  o("GET /$ssi_exec HTTP/1.0\n\n",
-    'ssi_begin.+Makefile.+ssi_end', 'SSI #exec');
-  my $abs_path = on_windows() ? 'ssi6.shtml' : 'ssi5.shtml';
-  my $word = on_windows() ? 'boot loader' : 'root';
-  o("GET /$abs_path HTTP/1.0\n\n",
-    "ssi_begin.+$word.+ssi_end", 'SSI #include file= (absolute)');
-  o("GET /ssi7.shtml HTTP/1.0\n\n",
-    'ssi_begin.+Unit test.+ssi_end', 'SSI #include "..."');
-  o("GET /ssi8.shtml HTTP/1.0\n\n",
-    'ssi_begin.+CFLAGS.+ssi_end', 'SSI nested #includes');
-
   # Manipulate the passwords file
   my $path = 'test_htpasswd';
   unlink $path;
-  system("$exe -A $path a b c") == 0
+  system("$mongoose_exe -A $path a b c") == 0
     or fail("Cannot add user in a passwd file");
-  system("$exe -A $path a b c2") == 0
+  system("$mongoose_exe -A $path a b c2") == 0
     or fail("Cannot edit user in a passwd file");
   my $content = read_file($path);
   $content =~ /^b:a:\w+$/gs or fail("Bad content of the passwd file");
@@ -424,8 +411,6 @@ unless (scalar(@ARGV) > 0 and $ARGV[0] eq "basic_tests") {
 
   do_PUT_test();
   kill_spawned_child();
-  do_unit_test();
-  do_embedded_test();
 }
 
 sub do_PUT_test {
@@ -446,88 +431,9 @@ sub do_PUT_test {
   unless read_file("$root/a/put.txt") eq 'abcd';
   o("PUT /a/put.txt HTTP/1.0\n$auth_header\nabcd",
     "HTTP/1.1 411 Length Required", 'PUT 411 error');
-  o("PUT /a/put.txt HTTP/1.0\nExpect: blah\nContent-Length: 1\n".
-    "$auth_header\nabcd",
-    "HTTP/1.1 417 Expectation Failed", 'PUT 417 error');
   o("PUT /a/put.txt HTTP/1.0\nExpect: 100-continue\nContent-Length: 4\n".
     "$auth_header\nabcd",
     "HTTP/1.1 100 Continue.+HTTP/1.1 200", 'PUT 100-Continue');
 }
 
-sub do_unit_test {
-  my $cmd = "cc -g -W -Wall -o $unit_test_exe $root/unit_test.c -I. ".
-    "-pthread -DNO_SSL ";
-  if (on_windows()) {
-    $cmd = "cl $root/embed.c mongoose.c /I. /nologo /DNO_SSL ".
-    "/DLISTENING_PORT=\\\"$port\\\" /link /out:$embed_exe.exe ws2_32.lib ";
-  }
-  print $cmd, "\n";
-  system($cmd) == 0 or fail("Cannot compile unit test");
-  system($unit_test_exe) == 0 or fail("Unit test failed!");
-}
-
-sub do_embedded_test {
-  my $cmd = "cc -W -Wall -o $embed_exe $root/embed.c mongoose.c -I. ".
-  "-pthread -DNO_SSL -DLISTENING_PORT=\\\"$port\\\"";
-  if (on_windows()) {
-    $cmd = "cl $root/embed.c mongoose.c /I. /nologo /DNO_SSL ".
-    "/DLISTENING_PORT=\\\"$port\\\" /link /out:$embed_exe.exe ws2_32.lib ";
-  }
-  print $cmd, "\n";
-  system($cmd) == 0 or fail("Cannot compile embedded unit test");
-
-  spawn("./$embed_exe");
-  o("GET /test_get_header HTTP/1.0\nHost: blah\n\n",
-    'Value: \[blah\]', 'mg_get_header', 0);
-  o("GET /test_get_var?a=b&my_var=foo&c=d HTTP/1.0\n\n",
-    'Value: \[foo\]', 'mg_get_var 1', 0);
-  o("GET /test_get_var?my_var=foo&c=d HTTP/1.0\n\n",
-    'Value: \[foo\]', 'mg_get_var 2', 0);
-  o("GET /test_get_var?a=b&my_var=foo HTTP/1.0\n\n",
-    'Value: \[foo\]', 'mg_get_var 3', 0);
-  o("POST /test_get_var HTTP/1.0\nContent-Length: 10\n\n".
-    "my_var=foo", 'Value: \[foo\]', 'mg_get_var 4', 0);
-  o("POST /test_get_var HTTP/1.0\nContent-Length: 18\n\n".
-    "a=b&my_var=foo&c=d", 'Value: \[foo\]', 'mg_get_var 5', 0);
-  o("POST /test_get_var HTTP/1.0\nContent-Length: 14\n\n".
-    "a=b&my_var=foo", 'Value: \[foo\]', 'mg_get_var 6', 0);
-  o("GET /test_get_var?a=one%2btwo&my_var=foo& HTTP/1.0\n\n",
-    'Value: \[foo\]', 'mg_get_var 7', 0);
-  o("GET /test_get_var?my_var=one%2btwo&b=two%2b HTTP/1.0\n\n",
-    'Value: \[one\+two\]', 'mg_get_var 8', 0);
-
-  # + in form data MUST be decoded to space
-  o("POST /test_get_var HTTP/1.0\nContent-Length: 10\n\n".
-    "my_var=b+c", 'Value: \[b c\]', 'mg_get_var 9', 0);
-
-  # Test that big POSTed vars are not truncated
-  my $my_var = 'x' x 64000;
-  o("POST /test_get_var HTTP/1.0\nContent-Length: 64007\n\n".
-    "my_var=$my_var", 'Value size: \[64000\]', 'mg_get_var 10', 0);
-
-  # Other methods should also work
-  o("PUT /test_get_var HTTP/1.0\nContent-Length: 10\n\n".
-    "my_var=foo", 'Value: \[foo\]', 'mg_get_var 11', 0);
-
-  o("POST /test_get_request_info?xx=yy HTTP/1.0\nFoo: bar\n".
-    "Content-Length: 3\n\na=b",
-    'Method: \[POST\].URI: \[/test_get_request_info\].'.
-    'HTTP version: \[1.0\].HTTP header \[Foo\]: \[bar\].'.
-    'HTTP header \[Content-Length\]: \[3\].'.
-    'Query string: \[xx=yy\].'.
-    'Remote IP: \[\d+\].Remote port: \[\d+\].'.
-    'Remote user: \[\]'
-    , 'request_info', 0);
-  o("GET /not_exist HTTP/1.0\n\n", 'Error: \[404\]', '404 handler', 0);
-  o("bad request\n\n", 'Error: \[400\]', '* error handler', 0);
-#	o("GET /foo/secret HTTP/1.0\n\n",
-#		'401 Unauthorized', 'mg_protect_uri', 0);
-#	o("GET /foo/secret HTTP/1.0\nAuthorization: Digest username=bill\n\n",
-#		'401 Unauthorized', 'mg_protect_uri (bill)', 0);
-#	o("GET /foo/secret HTTP/1.0\nAuthorization: Digest username=joe\n\n",
-#		'200 OK', 'mg_protect_uri (joe)', 0);
-
-  kill_spawned_child();
-}
-
 print "SUCCESS! All tests passed.\n";

build/test/unit_test.c

@@ -0,0 +1,454 @@
+// Unit test for the mongoose web server.
+
+#define USE_WEBSOCKET
+
+#ifndef _WIN32
+#define USE_IPV6
+#include <netdb.h>  // For gethostbyname()
+#endif
+
+// USE_* definitions must be made before #include "mongoose.c" !
+#include "../mongoose.c"
+
+#define FAIL(str, line) do {                    \
+  printf("Fail on line %d: [%s]\n", line, str); \
+  return str;                                   \
+} while (0)
+
+#define ASSERT(expr) do {             \
+  static_num_tests++;               \
+  if (!(expr)) FAIL(#expr, __LINE__); \
+} while (0)
+
+#define RUN_TEST(test) do { const char *msg = test(); \
+  if (msg) return msg; } while (0)
+
+#define HTTP_PORT "45772"
+#define LISTENING_ADDR "127.0.0.1:" HTTP_PORT
+
+static int static_num_tests = 0;
+
+// Connects to host:port, and sends formatted request to it. Returns
+// malloc-ed reply and reply length, or NULL on error. Reply contains
+// everything including headers, not just the message body.
+static char *wget(const char *host, int port, int *len, const char *fmt, ...) {
+  char buf[2000], *reply = NULL;
+  int request_len, reply_size = 0, n, sock = -1;
+  struct sockaddr_in sin;
+  struct hostent *he = NULL;
+  va_list ap;
+
+  if (host != NULL &&
+      (he = gethostbyname(host)) != NULL &&
+      (sock = socket(PF_INET, SOCK_STREAM, 0)) != -1) {
+    sin.sin_family = AF_INET;
+    sin.sin_port = htons((uint16_t) port);
+    sin.sin_addr = * (struct in_addr *) he->h_addr_list[0];
+    if (connect(sock, (struct sockaddr *) &sin, sizeof(sin)) == 0) {
+
+      // Format and send the request.
+      va_start(ap, fmt);
+      request_len = vsnprintf(buf, sizeof(buf), fmt, ap);
+      va_end(ap);
+      while (request_len > 0 && (n = send(sock, buf, request_len, 0)) > 0) {
+        request_len -= n;
+      }
+      if (request_len == 0) {
+        *len = 0;
+        while ((n = recv(sock, buf, sizeof(buf), 0)) > 0) {
+          if (*len + n > reply_size) {
+            reply = realloc(reply, reply_size + sizeof(buf)); // Leak possible
+            reply_size += sizeof(buf);
+          }
+          if (reply != NULL) {
+            memcpy(reply + *len, buf, n);
+            *len += n;
+          }
+        }
+      }
+      closesocket(sock);
+    }
+  }
+
+  return reply;
+}
+
+static char *read_file(const char *path, int *size) {
+  FILE *fp;
+  struct stat st;
+  char *data = NULL;
+  if ((fp = fopen(path, "rb")) != NULL && !fstat(fileno(fp), &st)) {
+    *size = (int) st.st_size;
+    assert((data = malloc(*size)) != NULL);
+    assert(fread(data, 1, *size, fp) == (size_t) *size);
+    fclose(fp);
+  }
+  return data;
+}
+
+static const char *test_parse_http_message() {
+  struct mg_connection ri;
+  char req1[] = "GET / HTTP/1.1\r\n\r\n";
+  char req2[] = "BLAH / HTTP/1.1\r\n\r\n";
+  char req3[] = "GET / HTTP/1.1\r\nBah\r\n";
+  char req4[] = "GET / HTTP/1.1\r\nA: foo bar\r\nB: bar\r\nbaz\r\n\r\n";
+  char req5[] = "GET / HTTP/1.1\r\n\r\n";
+  char req6[] = "G";
+  char req7[] = " blah ";
+  char req8[] = " HTTP/1.1 200 OK \n\n";
+  char req9[] = "HTTP/1.1 200 OK\r\nConnection: close\r\n\r\n";
+
+  ASSERT(get_request_len("\r\n", 3) == -1);
+  ASSERT(get_request_len("\r\n", 2) == 0);
+  ASSERT(get_request_len("GET", 3) == 0);
+  ASSERT(get_request_len("\n\n", 2) == 2);
+  ASSERT(get_request_len("\n\r\n", 3) == 3);
+  ASSERT(get_request_len("\xdd\xdd", 2) == 0);
+  ASSERT(get_request_len("\xdd\x03", 2) == -1);
+  ASSERT(get_request_len(req3, sizeof(req3) - 1) == 0);
+  ASSERT(get_request_len(req6, sizeof(req6) - 1) == 0);
+  ASSERT(get_request_len(req7, sizeof(req7) - 1) == 0);
+
+  ASSERT(parse_http_message(req9, sizeof(req9) - 1, &ri) == sizeof(req9) - 1);
+  ASSERT(ri.num_headers == 1);
+
+  ASSERT(parse_http_message(req1, sizeof(req1) - 1, &ri) == sizeof(req1) - 1);
+  ASSERT(strcmp(ri.http_version, "1.1") == 0);
+  ASSERT(ri.num_headers == 0);
+
+  ASSERT(parse_http_message(req2, sizeof(req2) - 1, &ri) == -1);
+  ASSERT(parse_http_message(req6, 0, &ri) == -1);
+  ASSERT(parse_http_message(req8, sizeof(req8) - 1, &ri) == sizeof(req8) - 1);
+
+  // TODO(lsm): Fix this. Header value may span multiple lines.
+  ASSERT(parse_http_message(req4, sizeof(req4) - 1, &ri) == sizeof(req4) - 1);
+  ASSERT(strcmp(ri.http_version, "1.1") == 0);
+  ASSERT(ri.num_headers == 3);
+  ASSERT(strcmp(ri.http_headers[0].name, "A") == 0);
+  ASSERT(strcmp(ri.http_headers[0].value, "foo bar") == 0);
+  ASSERT(strcmp(ri.http_headers[1].name, "B") == 0);
+  ASSERT(strcmp(ri.http_headers[1].value, "bar") == 0);
+  ASSERT(strcmp(ri.http_headers[2].name, "baz\r\n\r") == 0);
+  ASSERT(strcmp(ri.http_headers[2].value, "") == 0);
+
+  ASSERT(parse_http_message(req5, sizeof(req5) - 1, &ri) == sizeof(req5) - 1);
+  ASSERT(strcmp(ri.request_method, "GET") == 0);
+  ASSERT(strcmp(ri.http_version, "1.1") == 0);
+
+  return NULL;
+}
+
+static const char *test_should_keep_alive(void) {
+  struct mg_connection conn;
+  char req1[] = "GET / HTTP/1.1\r\n\r\n";
+  char req2[] = "GET / HTTP/1.0\r\n\r\n";
+  char req3[] = "GET / HTTP/1.1\r\nConnection: close\r\n\r\n";
+  char req4[] = "GET / HTTP/1.1\r\nConnection: keep-alive\r\n\r\n";
+
+  memset(&conn, 0, sizeof(conn));
+  ASSERT(parse_http_message(req1, sizeof(req1) - 1, &conn) == sizeof(req1) - 1);
+  ASSERT(should_keep_alive(&conn) != 0);
+
+  parse_http_message(req2, sizeof(req2) - 1, &conn);
+  ASSERT(should_keep_alive(&conn) == 0);
+
+  parse_http_message(req3, sizeof(req3) - 1, &conn);
+  ASSERT(should_keep_alive(&conn) == 0);
+
+  parse_http_message(req4, sizeof(req4) - 1, &conn);
+  ASSERT(should_keep_alive(&conn) != 0);
+
+  return NULL;
+}
+
+static const char *test_match_prefix(void) {
+  ASSERT(match_prefix("/api", 4, "/api") == 4);
+  ASSERT(match_prefix("/a/", 3, "/a/b/c") == 3);
+  ASSERT(match_prefix("/a/", 3, "/ab/c") == -1);
+  ASSERT(match_prefix("/*/", 3, "/ab/c") == 4);
+  ASSERT(match_prefix("**", 2, "/a/b/c") == 6);
+  ASSERT(match_prefix("/*", 2, "/a/b/c") == 2);
+  ASSERT(match_prefix("*/*", 3, "/a/b/c") == 2);
+  ASSERT(match_prefix("**/", 3, "/a/b/c") == 5);
+  ASSERT(match_prefix("**.foo|**.bar", 13, "a.bar") == 5);
+  ASSERT(match_prefix("a|b|cd", 6, "cdef") == 2);
+  ASSERT(match_prefix("a|b|c?", 6, "cdef") == 2);
+  ASSERT(match_prefix("a|?|cd", 6, "cdef") == 1);
+  ASSERT(match_prefix("/a/**.cgi", 9, "/foo/bar/x.cgi") == -1);
+  ASSERT(match_prefix("/a/**.cgi", 9, "/a/bar/x.cgi") == 12);
+  ASSERT(match_prefix("**/", 3, "/a/b/c") == 5);
+  ASSERT(match_prefix("**/$", 4, "/a/b/c") == -1);
+  ASSERT(match_prefix("**/$", 4, "/a/b/") == 5);
+  ASSERT(match_prefix("$", 1, "") == 0);
+  ASSERT(match_prefix("$", 1, "x") == -1);
+  ASSERT(match_prefix("*$", 2, "x") == 1);
+  ASSERT(match_prefix("/$", 2, "/") == 1);
+  ASSERT(match_prefix("**/$", 4, "/a/b/c") == -1);
+  ASSERT(match_prefix("**/$", 4, "/a/b/") == 5);
+  ASSERT(match_prefix("*", 1, "/hello/") == 0);
+  ASSERT(match_prefix("**.a$|**.b$", 11, "/a/b.b/") == -1);
+  ASSERT(match_prefix("**.a$|**.b$", 11, "/a/b.b") == 6);
+  ASSERT(match_prefix("**.a$|**.b$", 11, "/a/B.A") == 6);
+  ASSERT(match_prefix("**o$", 4, "HELLO") == 5);
+  return NULL;
+}
+
+static const char *test_remove_double_dots() {
+  struct { char before[20], after[20]; } data[] = {
+    {"////a", "/a"},
+    {"/.....", "/."},
+    {"/......", "/"},
+    {"...", "..."},
+    {"/...///", "/./"},
+    {"/a...///", "/a.../"},
+    {"/.x", "/.x"},
+    {"/\\", "/"},
+    {"/a\\", "/a\\"},
+    {"/a\\\\...", "/a\\."},
+  };
+  size_t i;
+
+  for (i = 0; i < ARRAY_SIZE(data); i++) {
+    remove_double_dots_and_double_slashes(data[i].before);
+    ASSERT(strcmp(data[i].before, data[i].after) == 0);
+  }
+
+  return NULL;
+}
+
+static const char *test_get_var(void) {
+  static const char *post[] = {
+    "a=1&&b=2&d&=&c=3%20&e=",
+    "q=&st=2012%2F11%2F13+17%3A05&et=&team_id=",
+    NULL
+  };
+  char buf[20];
+
+  ASSERT(get_var(post[0], strlen(post[0]), "a", buf, sizeof(buf)) == 1);
+  ASSERT(buf[0] == '1' && buf[1] == '\0');
+  ASSERT(get_var(post[0], strlen(post[0]), "b", buf, sizeof(buf)) == 1);
+  ASSERT(buf[0] == '2' && buf[1] == '\0');
+  ASSERT(get_var(post[0], strlen(post[0]), "c", buf, sizeof(buf)) == 2);
+  ASSERT(buf[0] == '3' && buf[1] == ' ' && buf[2] == '\0');
+  ASSERT(get_var(post[0], strlen(post[0]), "e", buf, sizeof(buf)) == 0);
+  ASSERT(buf[0] == '\0');
+
+  ASSERT(get_var(post[0], strlen(post[0]), "d", buf, sizeof(buf)) == -1);
+  ASSERT(get_var(post[0], strlen(post[0]), "c", buf, 2) == -2);
+
+  ASSERT(get_var(post[0], strlen(post[0]), "x", NULL, 10) == -2);
+  ASSERT(get_var(post[0], strlen(post[0]), "x", buf, 0) == -2);
+  ASSERT(get_var(post[1], strlen(post[1]), "st", buf, 16) == -2);
+  ASSERT(get_var(post[1], strlen(post[1]), "st", buf, 17) == 16);
+  return NULL;
+}
+
+static const char *test_url_decode(void) {
+  char buf[100];
+
+  ASSERT(mg_url_decode("foo", 3, buf, 3, 0) == -1);  // No space for \0
+  ASSERT(mg_url_decode("foo", 3, buf, 4, 0) == 3);
+  ASSERT(strcmp(buf, "foo") == 0);
+
+  ASSERT(mg_url_decode("a+", 2, buf, sizeof(buf), 0) == 2);
+  ASSERT(strcmp(buf, "a+") == 0);
+
+  ASSERT(mg_url_decode("a+", 2, buf, sizeof(buf), 1) == 2);
+  ASSERT(strcmp(buf, "a ") == 0);
+
+  ASSERT(mg_url_decode("%61", 1, buf, sizeof(buf), 1) == 1);
+  ASSERT(strcmp(buf, "%") == 0);
+
+  ASSERT(mg_url_decode("%61", 2, buf, sizeof(buf), 1) == 2);
+  ASSERT(strcmp(buf, "%6") == 0);
+
+  ASSERT(mg_url_decode("%61", 3, buf, sizeof(buf), 1) == 1);
+  ASSERT(strcmp(buf, "a") == 0);
+  return NULL;
+}
+
+static const char *test_to64(void) {
+  ASSERT(to64("0") == 0);
+  ASSERT(to64("") == 0);
+  ASSERT(to64("123") == 123);
+  ASSERT(to64("-34") == -34);
+  ASSERT(to64("3566626116") == 3566626116);
+  return NULL;
+}
+
+static const char *test_parse_port_string(void) {
+  static const char *valid[] = {
+    "1", "1.2.3.4:1",
+#if defined(USE_IPV6)
+    "[::1]:123", "[3ffe:2a00:100:7031::1]:900",
+#endif
+    NULL
+  };
+  static const char *invalid[] = {
+    "0", "99999", "1k", "1.2.3", "1.2.3.4:", "1.2.3.4:2p", NULL
+  };
+  union socket_address sa;
+  int i;
+
+  for (i = 0; valid[i] != NULL; i++) {
+    ASSERT(parse_port_string(valid[i], &sa) != 0);
+  }
+
+  for (i = 0; invalid[i] != NULL; i++) {
+    ASSERT(parse_port_string(invalid[i], &sa) == 0);
+  }
+
+  return NULL;
+}
+
+static const char *test_base64_encode(void) {
+  const char *in[] = {"a", "ab", "abc", "abcd", NULL};
+  const char *out[] = {"YQ==", "YWI=", "YWJj", "YWJjZA=="};
+  char buf[100];
+  int i;
+
+  for (i = 0; in[i] != NULL; i++) {
+    base64_encode((unsigned char *) in[i], strlen(in[i]), buf);
+    ASSERT(!strcmp(buf, out[i]));
+  }
+
+  return NULL;
+}
+
+static const char *test_mg_parse_header(void) {
+  const char *str = "xx=1 kl yy, ert=234 kl=123, "
+    "ii=\"12\\\"34\" zz='aa bb', gf=\"xx d=1234";
+  char buf[10];
+  ASSERT(mg_parse_header(str, "yy", buf, sizeof(buf)) == 0);
+  ASSERT(mg_parse_header(str, "ert", buf, sizeof(buf)) == 3);
+  ASSERT(strcmp(buf, "234") == 0);
+  ASSERT(mg_parse_header(str, "ert", buf, 2) == 0);
+  ASSERT(mg_parse_header(str, "ert", buf, 3) == 0);
+  ASSERT(mg_parse_header(str, "ert", buf, 4) == 3);
+  ASSERT(mg_parse_header(str, "gf", buf, sizeof(buf)) == 0);
+  ASSERT(mg_parse_header(str, "zz", buf, sizeof(buf)) == 5);
+  ASSERT(strcmp(buf, "aa bb") == 0);
+  ASSERT(mg_parse_header(str, "d", buf, sizeof(buf)) == 4);
+  ASSERT(strcmp(buf, "1234") == 0);
+  buf[0] = 'x';
+  ASSERT(mg_parse_header(str, "MMM", buf, sizeof(buf)) == 0);
+  ASSERT(buf[0] == '\0');
+  ASSERT(mg_parse_header(str, "kl", buf, sizeof(buf)) == 3);
+  ASSERT(strcmp(buf, "123") == 0);
+  ASSERT(mg_parse_header(str, "xx", buf, sizeof(buf)) == 1);
+  ASSERT(strcmp(buf, "1") == 0);
+  ASSERT(mg_parse_header(str, "ii", buf, sizeof(buf)) == 5);
+  ASSERT(strcmp(buf, "12\"34") == 0);
+  return NULL;
+}
+
+static const char *test_next_option(void) {
+  const char *p, *list = "x/8,/y**=1;2k,z";
+  struct vec a, b;
+  int i;
+
+  ASSERT(next_option(NULL, &a, &b) == NULL);
+  for (i = 0, p = list; (p = next_option(p, &a, &b)) != NULL; i++) {
+    ASSERT(i != 0 || (a.ptr == list && a.len == 3 && b.len == 0));
+    ASSERT(i != 1 || (a.ptr == list + 4 && a.len == 4 && b.ptr == list + 9 &&
+                      b.len == 4));
+
+    ASSERT(i != 2 || (a.ptr == list + 14 && a.len == 1 && b.len == 0));
+  }
+  return NULL;
+}
+
+static int cb1(struct mg_connection *conn) {
+  // We're not sending HTTP headers here, to make testing easier
+  mg_printf(conn, "%s %s %s",
+           conn->server_param == NULL ? "?" : (char *) conn->server_param,
+           conn->connection_param == NULL ? "?" : "!", conn->remote_ip);
+  return 1;
+}
+
+static const char *test_regular_file(void) {
+  static const char *fname = "main.c";
+  int reply_len, file_len;
+  char *reply, *file_data;
+  file_stat_t st;
+
+  ASSERT(stat(fname, &st) == 0);
+  ASSERT(st.st_size > 0);
+
+  ASSERT((file_data = read_file(fname, &file_len)) != NULL);
+  ASSERT(file_len == st.st_size);
+
+  reply = wget("127.0.0.1", atoi(HTTP_PORT), &reply_len,
+               "GET /%s.c HTTP/1.0\r\n\r\n", fname);
+  ASSERT(reply != NULL);
+  ASSERT(reply_len > 0);
+  // TODO(lsm): test headers and content
+
+  free(reply);
+  free(file_data);
+
+  return NULL;
+}
+
+static const char *test_server_param(void) {
+  int reply_len;
+  char *reply;
+
+  reply = wget("127.0.0.1", atoi(HTTP_PORT), &reply_len, "%s",
+               "GET /cb1 HTTP/1.0\r\n\r\n");
+  ASSERT(reply != NULL);
+  ASSERT(reply_len == 15);
+  // cb1() does not send HTTP headers
+  ASSERT(memcmp(reply, "foo ? 127.0.0.1", 5) == 0);
+  //printf("%d [%.*s]\n", reply_len, reply_len, reply);
+  free(reply);
+
+  return NULL;
+}
+
+static void *server_thread(void *param) {
+  int i;
+  for (i = 0; i < 10; i++) mg_poll_server((struct mg_server *) param, 1);
+  return NULL;
+}
+
+static const char *test_server(void) {
+  struct mg_server *server = mg_create_server("foo");
+
+  ASSERT(server != NULL);
+  ASSERT(mg_set_option(server, "listening_port", LISTENING_ADDR) == NULL);
+  ASSERT(mg_set_option(server, "document_root", ".") == NULL);
+  mg_add_uri_handler(server, "/cb1", cb1);
+  mg_start_thread(server_thread, server);
+  RUN_TEST(test_regular_file);
+  RUN_TEST(test_server_param);
+
+  // TODO(lsm): come up with a better way of thread sync
+  sleep(1);
+
+  mg_destroy_server(&server);
+  ASSERT(server == NULL);
+  return NULL;
+}
+
+static const char *run_all_tests(void) {
+  RUN_TEST(test_should_keep_alive);
+  RUN_TEST(test_match_prefix);
+  RUN_TEST(test_remove_double_dots);
+  RUN_TEST(test_parse_http_message);
+  RUN_TEST(test_parse_port_string);
+  RUN_TEST(test_to64);
+  RUN_TEST(test_url_decode);
+  RUN_TEST(test_base64_encode);
+  RUN_TEST(test_mg_parse_header);
+  RUN_TEST(test_get_var);
+  RUN_TEST(test_next_option);
+  RUN_TEST(test_server);
+  return NULL;
+}
+
+int __cdecl main(void) {
+  const char *fail_msg = run_all_tests();
+  printf("%s, tests run: %d\n", fail_msg ? "FAIL" : "PASS", static_num_tests);
+  return fail_msg == NULL ? EXIT_SUCCESS : EXIT_FAILURE;
+}

build/test/x.php

@@ -0,0 +1,9 @@
+<html>
+  <form method="post">
+    <input name="x" type="text" />
+    <input type="submit" />
+  </form>
+
+  <? echo $_POST["x"]; ?>
+  
+</html>

docs/API.md

@@ -0,0 +1,185 @@
+# Mongoose API Reference
+
+    struct mg_server *mg_create_server(void *server_param);
+
+Creates web server instance. Returns opaque instance pointer, or NULL if
+there is not enough memory. `server_param`: Could be any pointer, or NULL.
+This pointer will be passed
+to the callback functions as `struct mg_connection::server_param` field.
+A common use case is to pass `this` pointer of the C++ wrapper class
+as `user_param`, to let the callback get the pointer to the C++
+object.
+
+Note that this function doesn't make the
+server instance to serve. Serving is done by `mg_poll_server()` function.
+Mongoose has single-threaded, event-driven, asynchronous, non-blocking core.
+When server instance is created, it contains an information about
+the configuration and the state of each connection.
+Server instance is capable on listening on only one port. After creation,
+`struct mg_server` has a list
+of active connections, initially empty. It has a list of URI handlers,
+initially empty, and configuration parameters. Configuration can be
+altered by `mg_set_option()`, and new URI handlers could be added by
+`mg_add_uri_handler()`.
+
+Side-effect: on UNIX, `mg_create_server()` ignores SIGPIPE signals. If custom
+processing is required SIGPIPE, signal handler must be set up after
+calling `mg_create_server()`.
+
+Important: Mongoose does not install `SIGCHLD` handler. If CGI is used,
+`SIGCHLD` handler must be set up to reap CGI zombie processes.
+
+
+    void mg_destroy_server(struct mg_server **server);
+
+Deallocates web server instance, closes all pending connections, and makes
+server pointer a NULL pointer.
+
+    const char mg_set_option(struct mg_server *server, const char *name,
+                             const char *value);
+
+Sets a particular server option. Please refer to a separate documentation page
+that lists all available option names. Note that at least one option,
+`listening_port`, must be specified. To serve static files, `document_root`
+must be specified too. If `document_root` option is left unset, Mongoose
+will not access filesystem at all. This function returns NULL if option was
+set successfully, otherwise it returns human-readable error string. It is
+allowed to call `mg_set_option()` by the same thread that does
+`mg_poll_server()` (an IO thread) and change server configuration while it
+is serving, in between `mg_poll_server()` calls.
+
+    void mg_poll_server(struct mg_server *server, int milliseconds);
+
+This function performs one iteration of IO loop by iterating over all
+active connections, performing `select()` syscall on all sockets, and sleeping
+for `milliseconds` number of milliseconds. When `select()` returns, Mongoose
+does an IO for each socket that has data to be sent or received. Application
+code must call `mg_poll_server()` in a loop. It is an error to have more then
+one thread calling `mg_poll_server()`, `mg_set_option()` or any other function
+that take `struct mg_server *` parameter. Mongoose does not
+mutex-protect `struct mg_server *`, therefore the best practice is
+to call server management functions from the same thread (an IO thread).
+
+    void mg_add_uri_handler(struct mg_server *, const char *uri, mg_handler_t);
+
+Adds an URI handler. If Mongoose gets a request and request's URI starts
+with `uri`, then specified handler is called to serve the request. Thus, an
+`uri` is a match prefix. For example, if `uri` is "/", then all requests will
+be routed to the handler, because all URIs start with `/` character.
+
+When mongoose buffers in HTTP request and successfully parses it, it calls
+appropriate URI handler immediately for GET requests. For POST requests,
+Mongoose delays the call until the whole POST request is buffered in memory.
+POST data is available to the callback as `struct mg_connection::content`,
+and POST data length is in `struct mg_connection::content_len`.
+
+Note that websocket connections are treated the same way. Mongoose buffers
+websocket frame in memory, and calls URI handler when frame is fully
+buffered. Frame data is available `struct mg_connection::content`, and
+data length is in `struct mg_connection::content_len`, i.e. very similar to
+the POST request. `struct mg_connection::is_websocket` flag indicates
+whether the request is websocket or not. Also, for websocket requests,
+there is `struct mg_connection::wsbits` field which contains first byte
+of the websocket frame which URI handler can examine. Note that to
+reply to the websocket client, `mg_websocket_write()` should be used.
+To reply to the plain HTTP client, `mg_write()` should be used.
+
+    void mg_set_http_error_handler(struct mg_server *, mg_handler_t);
+
+Adds HTTP error handler. An actual HTTP error is passed as
+`struct mg_connection::status_code` parameter. If handler returns 0, it
+means a handler has not processed the connection, and mongoose proceeds
+with sending HTTP error to the client. Otherwise, mongoose does nothing.
+
+    const char **mg_get_valid_option_names(void);
+
+Returns a NULL-terminated array of option names and their default values.
+There are two entries per option in an array: an option name followed by a
+default value. A default value could be NULL. A NULL name indicates an end
+of the array.
+
+    const char *mg_get_option(const struct mg_server *server, const char *name);
+
+Returns the value of particular configuration parameter. If
+given parameter name is not valid, NULL is returned. For valid names, return
+value is guaranteed to be non-NULL. If parameter is not set, zero-length string
+is returned.
+
+
+    int mg_iterate_over_connections(struct mg_server *,
+                                void (*func)(struct mg_connection *, void *),
+                                void *param);
+
+This is an interface primarily designed to push arbitrary data to websocket
+connections at any time. This function could be called from any thread. When
+it returns, an IO thread called `func()` on each active connection,
+passing `param` as an extra parameter. It is allowed to call `mg_send_data()` or
+`mg_websocket_write()` within a callback, cause `func` is executed in the
+context of the IO thread.
+
+    void mg_send_status(struct mg_connection *, int status_code);
+    void mg_send_header(struct mg_connection *, const char *name,
+                        const char *value);
+    void mg_send_data(struct mg_connection *, const void *data, int data_len);
+    void mg_printf_data(struct mg_connection *, const char *format, ...);
+
+These functions are used to construct a response to the client. HTTP response
+consists of three parts: a status line, zero or more HTTP headers,
+a response body.  Mongoose provides functions for all three parts:
+   * `mg_send_status()` is used to create status line. This function can be
+      called zero or once. If `mg_send_status()` is not called, then Mongoose
+      will send status 200 (success) implicitly.
+   * `mg_send_header()` adds HTTP header to the response. This function could
+      be called zero or more times.
+   * `mg_send_data()` and `mg_printf_data()` are used to send data to the
+     client. Note that Mongoose adds `Transfer-Encoding: chunked` header
+     implicitly, and sends data in chunks. Therefore, it is not necessary to
+     set `Content-Length` header.
+
+<!-- -->
+
+    int mg_websocket_write(struct mg_connection* conn, int opcode,
+                           const char *data, size_t data_len);
+
+Similar to `mg_write()`, but wraps the data into a websocket frame with a
+given websocket `opcode`. This function is available when mongoose is
+compiled with `-DUSE_WEBSOCKET`.  
+
+    const char *mg_get_header(const struct mg_connection *, const char *name);
+
+Get the value of particular HTTP header. This is a helper function.
+It traverses http_headers array, and if the header is present in the array,
+returns its value. If it is not present, NULL is returned.
+
+
+    int mg_get_var(const struct mg_connection *conn, const char *var_name,
+                   char *buf, size_t buf_len);
+
+Gets HTTP form variable. Both POST buffer and query string are inspected.
+Form variable is url-decoded and written to the buffer. On success, this
+function returns the length of decoded variable. On error, -1 is returned if
+variable not found, and -2 is returned if destination buffer is too small
+to hold the variable. Destination buffer is guaranteed to be
+'\0' - terminated if it is not NULL or zero length.
+
+    int mg_parse_header(const char *hdr, const char *var_name, char *buf,
+                        size_t buf_size);
+
+This function parses HTTP header and fetches given variable's value in a buffer.
+A header should be like `x=123, y=345, z="other value"`. This function is
+designed to parse Cookie headers, Authorization headers, and similar. Returns
+the length of the fetched value, or 0 if variable not found.
+
+    int mg_modify_passwords_file(const char *passwords_file_name,
+                                 const char *domain,
+                                 const char *user,
+                                 const char *password);
+
+Add, edit or delete the entry in the passwords file.  
+This function allows an application to manipulate .htpasswd files on the
+fly by adding, deleting and changing user records. This is one of the
+several ways of implementing authentication on the server side. For another,
+cookie-based way please refer to the examples/chat.c in the source tree.  
+If password is not NULL, entry is added (or modified if already exists).
+If password is NULL, entry is deleted.  
+Return: 1 on success, 0 on error.

docs/AndroidBuild.md

@@ -0,0 +1,27 @@
+# Mongoose Build on Android
+
+This is a small guide to help you run mongoose on Android. Currently it is
+tested on the HTC Wildfire. If you have managed to run it on other devices
+as well, please comment or drop an email in the mailing list.
+Note : You dont need root access to run mongoose on Android.
+
+- Clone Mongoose Git repo
+- Download the Android NDK from [http://developer.android.com/tools/sdk/ndk/index.html](http://developer.android.com/tools/sdk/ndk/index.html)
+- Run `/path-to-ndk/ndk-build -C /path-to-mongoose/build`
+  That should generate mongoose/lib/armeabi/mongoose
+- Using the adb tool (you need to have Android SDK installed for that),
+  push the generated mongoose binary to `/data/local` folder on device.
+- From adb shell, navigate to `/data/local` and execute `./mongoose`.
+- To test if the server is running fine, visit your web-browser and
+  navigate to `http://127.0.0.1:8080` You should see the `Index of /` page.
+
+![screenshot](https://a248.e.akamai.net/camo.github.com/b88428bf009a2b6141000937ab684e04cc8586af/687474703a2f2f692e696d6775722e636f6d2f62676f6b702e706e67)
+
+
+Notes:
+
+- `jni` stands for Java Native Interface. Read up on Android NDK if you want
+  to know how to interact with the native C functions of mongoose in Android
+  Java applications.
+- TODO: A Java application that interacts with the native binary or a
+  shared library.

docs/Embed.md

@@ -0,0 +1,95 @@
+# Mongoose Embedding Guide
+
+Embedding Mongoose is done in two steps:
+
+   1. Copy
+    [mongoose.c](https://raw.github.com/cesanta/mongoose/master/mongoose.c) and
+    [mongoose.h](https://raw.github.com/cesanta/mongoose/master/mongoose.h)
+    to your application's source tree and include them in the build.
+   2. Somewhere in the application code, call `mg_create_server()` to create
+    a server, configure it with `mg_set_option()` and loop with
+    `mg_poll_server()` until done. Call `mg_destroy_server()` to cleanup.
+
+Here's a minimal application `app.c` that embeds mongoose:
+
+    #include "mongoose.h"
+    int main(void) {
+      struct mg_server *server = mg_create_server(NULL);
+      mg_set_option(server, "document_root", ".");
+      mg_set_option(server, "listening_port", "8080");
+      for (;;) mg_poll_server(server, 1000);  // Infinite loop, Ctrl-C to stop
+      mg_destroy_server(&server);
+      return 0;
+    }
+
+To compile it, put `mongoose.c`, `mongoose.h` and `minimal.c` into one
+folder, start terminal on UNIX or Visual Studio command line prompt on Windows,
+and run the following command:
+
+    cc app.c mongoose.c -o app    # on Unix
+    cl app.c mongoose.c /TC /MD   # on Windows
+
+When run, this simple application opens port 8080 and serves static files,
+CGI files and lists directory content in the current working directory.
+
+Mongoose can call user-defined functions when certain URIs are requested.
+These functions are _called uri handlers_.  `mg_add_uri_handler()` registers
+an URI handler, and there is no restriction exist on the number of URI handlers.
+Also, mongoose can call a user-defined function when it is about to send
+HTTP error back to client. That function is called _http error handler_ and
+can be registered by `mg_set_http_error_handler()`. Handlers are called
+by Mongoose with `struct mg_connection *` pointer as a parameter, which
+has all information about the request: HTTP headers, POST or websocket
+data buffer, etcetera.
+
+Let's extend our minimal application example and
+create an URI that will be served by user's C code. The app will handle
+`/hello` URI by showing a hello message. So, when app is run,
+http://127.0.0.1:8080/hello will say hello, and here's the code:
+
+    #include <string.h>
+    #include "mongoose.h"
+
+    static int handle_hello(struct mg_connection *conn) {
+      static const char *reply = "Hello world!\n";
+      mg_write_data(conn, reply, strlen(reply));
+      return 1;
+    }
+
+    int main(void) {
+      struct mg_server *server = mg_create_server(NULL);
+      mg_set_option(server, "document_root", ".");
+      mg_set_option(server, "listening_port", "8080");
+      mg_add_uri_handler(server, "/hello", &handle_hello);
+      for (;;) mg_poll_server(server, 1000);  // Infinite loop, Ctrl-C to stop
+      mg_destroy_server(&server);
+      return 0;
+    }
+
+Below is the list of compilation flags that enable or disable certain
+features. By default, some features are enabled, and could be disabled
+by setting appropriate `NO_*` flag. Features that are disabled by default
+could be enabled by setting appropriate `USE_*` flag. Bare bones Mongoose
+is quite small, about 30 kilobytes of compiled x86 code. Each feature adds
+a couple of kilobytes to the executable size, and also has some runtime penalty.
+
+    -DNO_AUTH         Disable MD5 authorization support
+    -DNO_CGI          Disable CGI support
+    -DNO_DAV          Disable WebDAV support (PUT, DELETE, MKCOL, PROPFIND)
+    -DNO_DIRECTORY_LISTING  Disable directory listing
+    -DNO_LOGGING      Disable access/error logging
+    -DNO_WEBSOCKET    Disable WebSocket support
+
+    -DUSE_IPV6          Enable IPv6 support
+    -DUSE_LUA           Enable Lua scripting
+    -DUSE_LUA_SQLITE3   Enable sqlite3 binding for Lua
+    -DUSE_SSL           Enable SSL
+    -DUSE_POST_SIZE_LIMIT=X     POST requests larger than X will be rejected
+    -DUSE_EXTRA_HTTP_HEADERS=X  Append X to the HTTP headers for static files
+
+Mongoose source code contains a well-commented example code, listed below:
+
+   * [hello.c](https://github.com/cesanta/mongoose/blob/master/examples/hello.c)
+   is a minimalisting hello world example
+   * [post.c](https://github.com/cesanta/mongoose/blob/master/examples/post.c)
+   shows how to handle form input

docs/FAQ.md

@@ -0,0 +1,23 @@
+# Mongoose FAQ
+
+### PHP doesn't work: getting empty page, or 'File not found' error
+
+The reason for that is wrong paths to the interpreter. Remember that with PHP,
+correct interpreter is `php-cgi.exe` (`php-cgi` on UNIX). Solution: specify
+full path to the PHP interpreter, e.g.:
+
+    mongoose -cgi_interpreter /full/path/to/php-cgi
+
+### Mongoose fails to start
+
+If Mongoose exits immediately when run, this
+usually indicates a syntax error in the configuration file
+(named `mongoose.conf` by default) or the command-line arguments.
+Syntax checking is omitted from Mongoose to keep its size low. However,
+the Manual should be of help. Note: the syntax changes from time to time,
+so updating the config file might be necessary after executable update.
+
+### Embedding with OpenSSL on Windows might fail because of calling convention
+
+To force Mongoose to use `__stdcall` convention, add `/Gz` compilation
+flag to the Visual Studio project settings.

docs/Internals.md

@@ -0,0 +1,21 @@
+# Mongoose Internals
+
+Mongoose has single-threaded, event-driven, asynchronous, non-blocking core.
+When mongoose server instance is created, it contains an information about
+the configuration and the state of each connection:
+
+    struct mg_server {
+      sock_t listening_sock;          // Listening socket
+      union socket_address lsa;       // Listening socket address
+      struct linked_list_link active_connections;
+      struct linked_list_link uri_handlers;
+      char *config_options[NUM_OPTIONS];
+      ...
+    };
+
+A server instance is capable on listening on only one port. After creation,
+a server instance has a list
+of active connections, initially empty. It has a list of URI handlers,
+initially empty, and configuration parameters. Configuration can be
+altered by `mg_set_option()`, and new URI handlers could be added by
+`mg_add_uri_handler()`.

docs/LuaSqlite.md

@@ -0,0 +1,59 @@
+# Mongoose Lua Server Pages
+
+Pre-built Windows and Mac mongoose binaries support Lua Server Pages
+functionality.
+That means it is possible to write PHP-like scripts with mongoose
+using Lua programming language instead of PHP. Lua is known
+for it's speed and small size. Mongoose uses Lua version 5.2.1, the
+documentation for it can be found at
+[Lua 5.2 reference manual](http://www.lua.org/manual/5.2/).
+
+To create a Lua Page, make a file that is called `<something>.lp`. For example,
+let's say it is going to be `my_page.lp`. It is important to have a file
+name that ends up with `.lp`, cause this is the way mongoose recognises
+Lua Page file. The contents of the file, just like
+with PHP, is HTML with embedded Lua code. Lua code must be enclosed within
+`<?  ?>` blocks, and can appear anywhere on the page.
+
+Mongoose does not send HTTP headers for Lua pages. Therefore,
+every Lua Page must begin with HTTP status line and headers, like this:
+
+    <? mg.write('HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n') ?>
+    <html><body>
+      <span>Today is:</span> <? mg.write(os.date("%A")) ?>
+    </body></html>
+
+Note that this example uses function `mg.write()`, which prints data to the
+web page. Using function `mg.write()` is the way to generate web content from
+inside Lua code. In addition to `mg.write()`, all standard library functions
+are accessible from the Lua code (please check reference manual for details).
+Information about the request is available in `mg.request_info` object.
+I contains request method, all headers, etcetera. Please refer to
+`struct mg_request_info` definition in
+[mongoose.h](https://github.com/cesanta/mongoose/blob/master/mongoose.h)
+to see what is available in `mg.request_info`. Also,
+[page.lp](https://github.com/cesanta/mongoose/blob/master/test/page.lp) and
+[prime_numbers.lp](https://github.com/cesanta/mongoose/blob/master/examples/lua/prime_numbers.lp)
+contain some example code that uses `request_info` and other functions,
+like form submission.
+
+Mongoose exports the following to the Lua server page:
+
+    mg.write(str)     -- writes string to the client
+    mg.onerror(msg)   -- error handler, can be overridden
+    mg.request_info   -- a table with request information
+    sqlite3           -- Sqlite3 interface
+
+slite3 functions are documented at [lua.sqlite.org](http://lua.sqlite.org/),
+and usage example is at
+[page.lp](https://github.com/cesanta/mongoose/blob/master/test/page.lp).
+
+Using Lua scripting it is easy to emulate SSI functionality. For example,
+to include the content of another file, one can write:
+
+    <? mg.write(io.open('MY_FILE.TXT'):read('*all')) ?>
+
+To serve a Lua Page, mongoose creates Lua context. That context is used for
+all Lua blocks within the page. That means, all Lua blocks on the same page
+share the same context. If one block defines a variable, for example, that
+variable is visible in the block that follows.

docs/Options.md

@@ -0,0 +1,134 @@
+# Mongoose Configuration Options
+
+### access\_control\_list
+An Access Control List (ACL) allows restrictions to be put on the list of IP
+addresses which have access to the web server. In the case of the Mongoose
+web server, the ACL is a comma separated list of IP subnets, where each
+subnet is prepended by either a `-` or a `+` sign. A plus sign means allow,
+where a minus sign means deny. If a subnet mask is omitted, such as `-1.2.3.4`,
+this means to deny only that single IP address.
+
+Subnet masks may vary from 0 to 32, inclusive. The default setting is to allow
+all accesses. On each request the full list is traversed, and
+the last match wins. Example: `$ mongoose -access_control_list -0.0.0.0/0,+192.168/16` to deny all acccesses except from 192.168/16 subnet. To learn
+more about subnet masks, see the
+[Wikipedia page on Subnetwork](http://en.wikipedia.org/wiki/Subnetwork)
+
+Default: not set, all accesses are allowed.
+
+### access\_log\_file
+Path to a file for access logs. Either full path, or relative to the
+mongoose executable. Default: not set, no query logging is done.
+
+### auth_domain
+Authorization realm used in `.htpasswd` authorization. Default: `mydomain.com`
+
+### cgi_interpreter
+Path to an executable to use as CGI interpreter for __all__ CGI scripts
+regardless script extension.
+for an interpreter. Default: not set, Mongoose looks at
+[shebang line](http://en.wikipedia.org/wiki/Shebang_(Unix\).
+
+For example, if both PHP and perl CGIs are used, then
+`#!/path/to/php-cgi.exe` and `#!/path/to/perl.exe` must be first lines of the
+respective CGI scripts. Note that paths should be either full file paths,
+or file paths relative to the directory where mongoose server is located.
+
+If all CGIs use the same interpreter, for example they are all PHP, then
+`cgi_interpreter` option can be set to the path to `php-cgi.exe` executable and
+shebang line in the CGI scripts can be omitted.
+Note that PHP scripts must use `php-cgi.exe` executable, not `php.exe`.
+
+### cgi_pattern
+All files that match `cgi_pattern` are treated as CGI files. Default pattern
+allows CGI files be anywhere. To restrict CGIs to a certain directory,
+use `/path/to/cgi-bin/**.cgi` as pattern. Note that full file path is
+matched against the pattern, not the URI. Note: if `MONGOOSE_CGI` environment
+variable is set, then Mongoose passes it to the CGI script.
+
+Default: `**.cgi$|**.pl$|**.php$`
+
+### dav\_auth\_file
+Authentication file for WebDAV mutation requests: `PUT`, `DELETE`, `MKCOL`.
+The format of that file is the same as for the `.htpasswd` file
+used for digest authentication. It can be created and managed by
+`mongoose -A` command. Default: not set, WebDAV mutations are disallowed.
+
+### document_root
+A directory to serve. Default: current working directory.
+
+### enable\_directory\_listing
+Enable directory listing, either `yes` or `no`. Default: `yes`.
+
+### error\_log\_file
+Path to a file for error logs. Either full path, or relative to the
+mongoose executable. Default: not set, no errors are logged.
+
+### extra\_mime\_types
+Extra mime types to recognize, in form `extension1=type1,extension2=type2,...`.
+Extension must include dot.  Example:
+`mongoose -extra_mime_types .cpp=plain/text,.java=plain/text`. Default: not set.
+
+
+### global\_auth\_file
+Path to a global passwords file, either full path or relative to the mongoose
+executable. If set, per-directory `.htpasswd` files are ignored,
+and all requests are authorised against that file. Use `mongoose -A` to
+manage passwords, or third party utilities like
+[htpasswd-generator](http://www.askapache.com/online-tools/htpasswd-generator).
+Default: not set, per-directory `.htpasswd` files are respected.
+
+### hide\_files\_patterns
+A pattern for the files to hide. Files that match the pattern will not
+show up in directory listing and return `404 Not Found` if requested. Pattern
+must be for a file name only, not including directory name, e.g.
+`mongoose -hide_files_patterns secret.txt|even_more_secret.txt`. Default:
+not set.
+
+### idle\_timeout\_ms
+Timeout for idle connections. Default: 30000 (30 seconds)
+
+### index_files
+Comma-separated list of files to be treated as directory index
+files. Default: `index.html,index.htm,index.cgi,index.shtml,index.php`
+
+### ssl_certificate
+Path to SSL certificate file. The file must be in PEM format,
+and it must have both private key and certificate, see for example
+[ssl_cert.pem](https://github.com/cesanta/mongoose/blob/master/build/ssl_cert.pem). If this option is set, then Mongoose serves SSL connections on
+`listening_port`. Default: not set.
+
+### listening_port
+Port to listen on. Port could be prepended by the specific IP address to bind
+to, e.g. `mongoose -listening_port 127.0.0.1:8080`. Otherwise Mongoose
+will bind to all addresses.  Default: 8080.
+
+### run\_as\_user
+Switch to given user credentials after startup. UNIX-only. This option is
+required when mongoose needs to bind on privileged port on UNIX, e.g.
+
+    $ sudo mongoose -listening_ports 80 -run_as_user nobody
+
+Default: not set.
+
+### url\_rewrite\_patterns
+Comma-separated list of URL rewrites in the form of
+`uri_pattern=file_or_directory_path`. When Mongoose receives the request,
+it constructs the file name to show by combining `document_root` and the URI.
+However, if the rewrite option is used and `uri_pattern` matches the
+requested URI, then `document_root` is ignored. Insted,
+`file_or_directory_path` is used, which should be a full path name or
+a path relative to the web server's current working directory. Note that
+`uri_pattern`, as all mongoose patterns, is a prefix pattern.
+
+This makes it possible to serve many directories outside from `document_root`,
+redirect all requests to scripts, and do other tricky things. For example,
+to redirect all accesses to `.doc` files to a special script, do:
+
+    mongoose -url_rewrite_patterns **.doc$=/path/to/cgi-bin/handle_doc.cgi
+
+Or, to imitate user home directories support, do:
+
+    mongoose -url_rewrite_patterns /~joe/=/home/joe/,/~bill=/home/bill/
+
+Default: not set.

docs/SSL.md

@@ -0,0 +1,75 @@
+# Mongoose SSL guide
+
+SSL is a protocol that makes web communication secure. To enable SSL
+in mongoose, 3 steps are required:
+
+   1. Valid certificate file must be created
+   2. `ssl_certificate` options must be set to contain path to the
+       certificate file.
+   3. `listening_ports` option must contain a port number with letter `s`
+        appended to it, which instructs Mongoose to use SSL for all connections
+        made to that port.
+
+Below is the `mongoose.conf` file snippet for typical SSL setup:
+
+    document_root     www_root        # Serve files in www_root directory
+    listening_ports   80r,443s        # Redirect all HTTP requests to HTTPS
+    ssl_certificate   ssl_cert.pem    # Location of certificate file
+
+## How to create SSL certificate file
+
+SSL certificate file is a text file that must contain at least two
+sections:
+
+   1. A private key
+   2. A certificate
+
+Both sections should be chunks of text in PEM format. When PEM file is
+opened in a text editor, it looks like this:
+
+    -----BEGIN RSA PRIVATE KEY-----
+    MIIEogIBAAKCAQEAwONaLOP7EdegqjRuQKSDXzvHmFMZfBufjhELhNjo5KsL4ieH
+    hYN0Zii2yTb63jGxKY6gH1R/r9dL8kXaJmcZrfSa3AgywnteJWg=
+    -----END RSA PRIVATE KEY-----
+    -----BEGIN CERTIFICATE-----
+    MIIDBjCCAe4CCQCX05m0b053QzANBgkqhkiG9w0BAQQFADBFMQswCQYDVQQGEwJB
+    SEGI4JSxV56lYg==
+    -----END CERTIFICATE-----
+
+Two aforementioned sections are clearly seen. Typically, those section
+are bigger then in the example shown. The text between the `BEGIN` and
+`END` is the text representation of binary data, a private key and a
+certificate. Therefore, in order to create a certificate file,
+
+   * private key must be converted to PEM format
+   * certificate must be converted to PEM format
+   * those two should be concatenated into a single file
+
+If the certificate chain in used, a chain file also needs to be
+converted into PEM format and appended to the certificate file.
+
+## How SSL works
+
+SSL is a protocol that can encrypt communication between two parties. If third
+party observes all messages passed by, it would be very
+hard for the third party (though not impossible) to decrypt the communication.
+
+The idea is based on so-called public key encryption. Communicating parties
+have two keys: a public key and a private key. A public key is advertised
+to everybody, and it is contained in a certificate. A private key is kept
+secret. Security algorithm works in a way that anybody can encrypt
+a message using public key, and only private key can decrypt it.
+
+This is why web server needs both private key and certificate: private key
+is used to decrypt incoming messages, and certificate is used to tell the
+public key to the other party. When communication starts, parties exchange
+their public keys, and keep private keys to themselves. Man-in-the-middle
+who observes the communication is unable to decrypt the messages cause
+private keys are required for decryption.
+
+Encryption algorithms are built on top of hard mathematical problem, which
+makes it very expensive for man-in-the-middle to compute private keys.
+For example, RSA algorithm is based on a mathematical problem of factorization.
+It is easy to generate two very large prime numbers `P` and `Q` and make
+a product `P * Q`. But given a product, it is very hard to recover these
+two prime numbers - this is called factorization.

docs/Usage.md

@@ -0,0 +1,85 @@
+# Mongoose User Guide
+
+Mongoose is small and easy to use web server built on top of
+mongoose library. It is designed with maximum simplicity in mind. For example,
+to share any directory, just drop mongoose executable file in that directory,
+double-click it (on UNIX, run it from shell) and launch a browser at
+[http://localhost:8080](http://localhost:8080) Note that 'localhost' should
+be changed to a machine's name if a folder is accessed from other computer.
+
+On Windows and Mac, Mongoose iconifies itself to the system tray when started.
+Right-click on the icon pops up a menu, where it is possible to stop
+mongoose, or configure it.
+
+On UNIX, `mongoose` is a command line utility. Running `mongoose` in
+terminal, optionally followed by configuration parameters
+(`mongoose [OPTIONS]`) or configuration file name
+(`mongoose [config_file_name]`) starts the
+web server:
+
+    $ mongoose -document_root /var/www  # Running mongoose with cmdline options
+    $ mongoose /etc/my_config.txt       # Running mongoose with config file
+    $ mongoose                          # Running with no parameters. This will
+                                        # serve current directory on port 8080
+
+Mongoose does not detach from terminal. Pressing `Ctrl-C` keys
+stops the server.
+
+When started, mongoose first searches for the configuration file.
+If configuration file is specified explicitly in the command line, then
+specified configuration file is used.
+Otherwise, mongoose would search for file `mongoose.conf` in the same directory
+where binary is located, and use it. Configuration file can be absent.
+
+Configuration file is a sequence of lines, each line containing
+command line argument name and it's value. Empty lines and lines beginning
+with `#` are ignored. Here is the example of `mongoose.conf` file:
+
+    # This is a comment
+    document_root C:\www
+    listening_port 80
+    ssl_certificate C:\mongoose\ssl_cert.pem
+
+Command line arguments are highest priority and can override
+configuration file settings. For example, if `mongoose.conf` has line
+`document_root /var/www`, and mongoose has been started as
+`mongoose -document_root /etc`, then `/etc` directory will be used as
+document root.
+
+Note that configuration options on the command line must start with `-`,
+and their names are the same as in the config file. Exampli gratia,
+the following two setups are equivalent:
+
+    $ mongoose -listening_port 1234 -document_root /var/www
+
+    $ cat > mongoose.conf
+    listening_ports 1234
+    document_root /var/www
+    ^D
+    $ mongoose
+
+Mongoose can also be used to modify `.htpasswd` passwords file:
+
+    $ mongoose -A .htpasswd mydomain.com user_name user_password
+
+Unlike other web servers, mongoose does not require CGI scripts be located in
+a special directory. CGI scripts can be anywhere. CGI (and SSI) files are
+recognized by the file name pattern. Mongoose uses shell-like glob
+patterns. Pattern match starts at the beginning of the string, so essentially
+patterns are prefix patterns. Syntax is as follows:
+
+     **      Matches everything
+     *       Matches everything but slash character, '/'
+     ?       Matches any character
+     $       Matches the end of the string
+     |       Matches if pattern on the left side or the right side matches.
+
+All other characters in the pattern match themselves. Examples:
+
+    **.cgi$      Any string that ends with .cgi
+    /foo         Any string that begins with /foo
+    **a$|**b$    Any string that ends with a or b
+
+To restrict CGI files only to `/cgi-bin/` directory, use this setting:
+
+    $ mongoose -cgi_pattern /cgi-bin/*.cgi # Emulate /cgi-bin/ restriction

examples/Makefile

@@ -1,7 +1,46 @@
-CFLAGS=	-W -Wall -I.. -pthread -g
+CFLAGS  = -W -Wall -I.. -pthread -g -pipe $(COPT)
+DLL_FLAGS = -DLUA_COMPAT_ALL -I../build
+
+ifeq ($(OS),Windows_NT)
+else
+  UNAME_S := $(shell uname -s)
+  DLL_FLAGS += -shared
+
+  ifeq ($(UNAME_S),Linux)
+    CFLAGS += -ldl
+  endif
+
+  ifeq ($(UNAME_S),Darwin)
+    #  DLL_FLAGS += -bundle -undefined dynamic_lookup -dynamiclib
+    DLL_FLAGS += -flat_namespace -undefined suppress -dynamiclib
+  endif
+endif
 
 all:
-	OS=`uname`; \
+	$(CC) hello.c ../mongoose.c  -o hello $(CFLAGS)
-	  test "$$OS" = Linux && LIBS="-ldl" ; \
+	$(CC) qcomm.c ../mongoose.c  -o qcomm $(CFLAGS)
-	  $(CC) $(CFLAGS) hello.c ../mongoose.c  $$LIBS $(ADD) -o hello;
+	$(CC) post.c ../mongoose.c -o post $(CFLAGS)
-	  $(CC) $(CFLAGS) chat.c ../mongoose.c  $$LIBS $(ADD) -o chat
+	$(CC) multi_threaded.c ../mongoose.c -o multi_threaded $(CFLAGS)
+
+#	$(CC) upload.c ../mongoose.c -o upload $(CFLAGS)
+#	$(CC) -DUSE_WEBSOCKET websocket.c ../mongoose.c -o $@ $(CFLAGS)
+#	$(CC) chat.c ../mongoose.c -o chat $(CFLAGS)
+#	$(CC) lua_dll.c ../build/lua_5.2.1.c -o $@.so $(CFLAGS) $(DLL_FLAGS)
+
+
+MSVC    = ../../vc6
+CL      = $(MSVC)/bin/cl
+CLFLAGS = /MD /TC /nologo $(DBG) /W3 /DNO_SSL \
+        /I$(MSVC)/include /I.. /Dsnprintf=_snprintf
+LFLAGS  = /link /incremental:no /libpath:$(MSVC)/lib /machine:IX86
+
+windows:
+	$(CL) hello.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
+	$(CL) post.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
+	$(CL) multi_threaded.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
+#	$(CL) upload.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
+#	$(CL) /DUSE_WEBSOCKET websocket.c ../mongoose.c $(CLFLAGS) $(LFLAGS)
+#$(CL) lua_dll.c $(CLFLAGS) $(DLL_FLAGS) /DLL $(LFLAGS) /SUBSYSTEM:WINDOWS /ENTRY:luaopen_lua_dll /EXPORT:luaopen_lua_dll /out:lua_dll.dll
+
+clean:
+	rm -rf hello upload post websocket chat *.exe *.dSYM *.obj .*o

examples/c#/example.cs

@@ -0,0 +1,37 @@
+// This file is part of mongoose web server project,
+// https://github.com/cesanta/mongoose
+
+using System;
+using System.Runtime.InteropServices;
+
+public class Program {
+  static private int EventHandler(MongooseEvent ev) {
+    if (ev.type != 1) {
+      return 0; // Mark as unhandled
+    }
+
+    MongooseRequestInfo request_info = (MongooseRequestInfo)
+      Marshal.PtrToStructure(ev.request_info, typeof(MongooseRequestInfo));
+
+    if (request_info.uri != "/test") {
+      return 0; // Mark as unhandled
+    }
+
+    Mongoose.write(ev.conn, "HTTP/1.1 200 OK\r\n\r\n");
+    Mongoose.write(ev.conn, "Hello from C#!\n");
+
+    return 1; // Mark as handled
+  }
+
+  static void Main() {
+    Mongoose web_server = new Mongoose(".", "9000",
+        new MongooseEventHandler(EventHandler));
+
+    Console.WriteLine("Mongoose v." + web_server.version_ + " started.");
+    Console.WriteLine("Press enter to exit program.");
+
+    // Serve requests until user presses "enter" on a keyboard
+    Console.ReadLine();
+    web_server.stop();
+  }
+}

examples/c#/mongoose.cs

@@ -0,0 +1,93 @@
+// This file is part of mongoose web server project,
+// https://github.com/cesanta/mongoose
+
+using System;
+using System.Runtime.InteropServices;
+
+[StructLayout(LayoutKind.Sequential)] public struct MongooseHeader {
+  [MarshalAs(UnmanagedType.LPTStr)] public IntPtr name;
+  [MarshalAs(UnmanagedType.LPTStr)] public IntPtr value;
+};
+
+// mongoose.h :: struct mg_request_info
+[StructLayout(LayoutKind.Sequential)] public struct MongooseRequestInfo {
+  [MarshalAs(UnmanagedType.LPTStr)] public string request_method;
+  [MarshalAs(UnmanagedType.LPTStr)] public string uri;
+  [MarshalAs(UnmanagedType.LPTStr)] public string http_version;
+  [MarshalAs(UnmanagedType.LPTStr)] public string query_string;
+  [MarshalAs(UnmanagedType.LPTStr)] public string remote_user;
+  public int remote_ip;
+  public int remote_port;
+  public int is_ssl;
+  [MarshalAs(UnmanagedType.ByValArray,SizeConst=64)]
+    public MongooseHeader[] http_headers;
+};
+
+[StructLayout(LayoutKind.Sequential)] public struct MongooseEvent {
+  public int type;
+  public IntPtr user_data;
+  public IntPtr conn_data;
+  public IntPtr event_param;
+  public IntPtr conn;
+  public IntPtr request_info;
+};
+
+public delegate int MongooseEventHandlerN(ref MongooseEvent ev);
+public delegate int MongooseEventHandler(MongooseEvent ev);
+
+public class Mongoose {
+  public const string dll_name_ = "mongoose";
+  public string version_ = "??";
+
+  // These are here to store a ref to the callbacks
+  // while they are over in unmanaged code, to prevent garbage collection.
+  private event MongooseEventHandlerN delegates;
+
+  private IntPtr ctx_;
+
+  [DllImport(dll_name_)] private static extern
+    IntPtr mg_start([MarshalAs(UnmanagedType.LPArray,
+                     ArraySubType=UnmanagedType.LPTStr)] string[] options,
+                    MongooseEventHandlerN callback,
+                    IntPtr user_data);
+  [DllImport(dll_name_)] private static extern void mg_stop(IntPtr ctx);
+  [DllImport(dll_name_)] private static extern IntPtr mg_version();
+  [DllImport(dll_name_)] public static extern int mg_write(IntPtr conn,
+      string data, int length);
+
+  public Mongoose(string document_root,
+                  string listening_ports,
+                  MongooseEventHandler event_handler) {
+    version_ = Marshal.PtrToStringAnsi(mg_version());
+
+    string[] options = {
+      "document_root", document_root,
+      "listening_ports", listening_ports,
+      null
+    };
+
+    MongooseEventHandlerN cb = delegate(ref MongooseEvent ev) {
+      return event_handler(ev);
+    };
+
+    // Prevent garbage collection
+    delegates += cb;
+
+    ctx_ = mg_start(options, cb, IntPtr.Zero);
+  }
+
+  public static int write(IntPtr conn, string data) {
+    return mg_write(conn, data, data.Length);
+  }
+
+  public void stop() {
+    if (this.ctx_ != IntPtr.Zero) {
+      mg_stop(this.ctx_);
+    }
+    this.ctx_ = IntPtr.Zero;
+  }
+
+  ~Mongoose() {
+    stop();
+  }
+}

examples/chat.c

@@ -56,9 +56,10 @@ static pthread_rwlock_t rwlock = PTHREAD_RWLOCK_INITIALIZER;
 // Get session object for the connection. Caller must hold the lock.
 static struct session *get_session(const struct mg_connection *conn) {
   int i;
+  const char *cookie = mg_get_header(conn, "Cookie");
   char session_id[33];
   time_t now = time(NULL);
-  mg_get_cookie(conn, "session", session_id, sizeof(session_id));
+  mg_get_cookie(cookie, "session", session_id, sizeof(session_id));
   for (i = 0; i < MAX_SESSIONS; i++) {
     if (sessions[i].expire != 0 &&
         sessions[i].expire > now &&
@@ -122,7 +123,7 @@ static int handle_jsonp(struct mg_connection *conn,
   if (cb[0] != '\0') {
     mg_printf(conn, "%s(", cb);
   }
- 
+
   return cb[0] == '\0' ? 0 : 1;
 }
 
@@ -325,32 +326,30 @@ static void redirect_to_ssl(struct mg_connection *conn,
   }
 }
 
-static void *event_handler(enum mg_event event,
+static int event_handler(struct mg_event *event) {
-                           struct mg_connection *conn) {
+  struct mg_request_info *request_info = event->request_info;
-  const struct mg_request_info *request_info = mg_get_request_info(conn);
+  struct mg_connection *conn = event->conn;
-  void *processed = "yes";
+  int result = 1;
 
-  if (event == MG_NEW_REQUEST) {
+  if (event->type != MG_REQUEST_BEGIN) return 0;
-    if (!request_info->is_ssl) {
+
-      redirect_to_ssl(conn, request_info);
+  if (!request_info->is_ssl) {
-    } else if (!is_authorized(conn, request_info)) {
+    redirect_to_ssl(conn, request_info);
-      redirect_to_login(conn, request_info);
+  } else if (!is_authorized(conn, request_info)) {
-    } else if (strcmp(request_info->uri, authorize_url) == 0) {
+    redirect_to_login(conn, request_info);
-      authorize(conn, request_info);
+  } else if (strcmp(request_info->uri, authorize_url) == 0) {
-    } else if (strcmp(request_info->uri, "/ajax/get_messages") == 0) {
+    authorize(conn, request_info);
-      ajax_get_messages(conn, request_info);
+  } else if (strcmp(request_info->uri, "/ajax/get_messages") == 0) {
-    } else if (strcmp(request_info->uri, "/ajax/send_message") == 0) {
+    ajax_get_messages(conn, request_info);
-      ajax_send_message(conn, request_info);
+  } else if (strcmp(request_info->uri, "/ajax/send_message") == 0) {
-    } else {
+    ajax_send_message(conn, request_info);
-      // No suitable handler found, mark as not processed. Mongoose will
-      // try to serve the request.
-      processed = NULL;
-    }
   } else {
-    processed = NULL;
+    // No suitable handler found, mark as not processed. Mongoose will
+    // try to serve the request.
+    result = 0;
   }
 
-  return processed;
+  return result;
 }
 
 static const char *options[] = {
@@ -369,8 +368,10 @@ int main(void) {
   srand((unsigned) time(0));
 
   // Setup and start Mongoose
-  ctx = mg_start(&event_handler, NULL, options);
+  if ((ctx = mg_start(options, event_handler, NULL)) == NULL) {
-  assert(ctx != NULL);
+    printf("%s\n", "Cannot start chat server, fatal exit");
+    exit(EXIT_FAILURE);
+  }
 
   // Wait until enter is pressed, then exit
   printf("Chat server started on ports %s, press enter to quit.\n",

examples/hello.c

@@ -2,36 +2,30 @@
 #include <string.h>
 #include "mongoose.h"
 
-static void *callback(enum mg_event event,
+// This function will be called by mongoose on every new request
-                      struct mg_connection *conn) {
+static int index_html(struct mg_connection *conn) {
-  const struct mg_request_info *request_info = mg_get_request_info(conn);
+  mg_printf_data(conn, "Hello! Requested URI is [%s], query string is [%s]",
-
+                 conn->uri,
-  if (event == MG_NEW_REQUEST) {
+                 conn->query_string == NULL ? "(none)" : conn->query_string);
-    char content[1024];
+  return 0;
-    int content_length = snprintf(content, sizeof(content),
-                                  "Hello from mongoose! Remote port: %d",
-                                  request_info->remote_port);
-    mg_printf(conn,
-              "HTTP/1.1 200 OK\r\n"
-              "Content-Type: text/plain\r\n"
-              "Content-Length: %d\r\n"        // Always set Content-Length
-              "\r\n"
-              "%s",
-              content_length, content);
-    // Mark as processed
-    return "";
-  } else {
-    return NULL;
-  }
 }
 
 int main(void) {
-  struct mg_context *ctx;
+  struct mg_server *server;
-  const char *options[] = {"listening_ports", "8080", NULL};
 
-  ctx = mg_start(&callback, NULL, options);
+  // Create and configure the server
-  getchar();  // Wait until user hits "enter"
+  server = mg_create_server(NULL);
-  mg_stop(ctx);
+  mg_set_option(server, "listening_port", "8080");
+  mg_add_uri_handler(server, "/", index_html);
+
+  // Serve request. Hit Ctrl-C to terminate the program
+  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
+  for (;;) {
+    mg_poll_server(server, 1000);
+  }
+
+  // Cleanup, and free server instance
+  mg_destroy_server(&server);
 
   return 0;
 }

examples/html/main.js

@@ -16,6 +16,11 @@ chat.normalizeText = function(text) {
 };
 
 chat.refresh = function(data) {
+
+  if (data === undefined) {
+    return;
+  }
+  
   $.each(data, function(index, entry) {
     var row = $('<div>').addClass('message-row').appendTo('#mml');
     var timestamp = (new Date(entry.timestamp * 1000)).toLocaleTimeString();
@@ -42,7 +47,7 @@ chat.refresh = function(data) {
   }
 };
 
-chat.getMessages = function() {
+chat.getMessages = function(enter_loop) {
   $.ajax({
     dataType: 'jsonp',
     url: chat.backendUrl + '/ajax/get_messages',
@@ -51,7 +56,9 @@ chat.getMessages = function() {
     error: function() {
     },
   });
-  window.setTimeout(chat.getMessages, chat.getMessagesIntervalMs);
+  if (enter_loop) {
+    window.setTimeout('chat.getMessages(true)', chat.getMessagesIntervalMs);
+  }
 };
 
 chat.handleMenuItemClick = function(ev) {
@@ -81,7 +88,7 @@ chat.handleMessageInput = function(ev) {
     success: function(ev) {
       input.value = '';
       input.disabled = false;
-      chat.getMessages();
+      chat.getMessages(false);
     },
     error: function(ev) {
       chat.showError('Error sending message');
@@ -93,7 +100,7 @@ chat.handleMessageInput = function(ev) {
 $(document).ready(function() {
   $('.menu-item').click(chat.handleMenuItemClick);
   $('.message-input').keypress(chat.handleMessageInput);
-  chat.getMessages();
+  chat.getMessages(true);
 });
 
 // vim:ts=2:sw=2:et

examples/lua/dirscan.lp

@@ -0,0 +1,15 @@
+HTTP/1.0 200 OK
+Content-Type: text/plain
+
+<?
+  -- Directory scanning example
+
+  function scandir(dir)
+    local t = {}
+    for f in io.popen('dir ' .. dir):lines() do table.insert(t, f) end
+    return t
+  end
+
+  local tab = scandir('C:\\')
+  for k,v in pairs(tab) do mg.write(v, '\n') end
+?>

examples/lua/prime_numbers.lp

@@ -0,0 +1,46 @@
+HTTP/1.0 200 OK
+Content-Type: text/html
+
+<html>
+  <p>Prime numbers from 0 to 100, calculated by Lua:</p>
+ <?
+    function is_prime(n)
+      if n <= 0 then return false end
+      if n <= 2 then return true end
+      if (n % 2 == 0) then return false end
+      for i = 3, n / 2, 2 do
+        if (n % i == 0) then return false end
+      end
+      return true
+    end
+
+    for i = 1, 100 do
+      if is_prime(i) then mg.write('<span>' .. i .. '</span>&nbsp;') end
+    end
+
+ ?>
+
+ <p>Reading POST data from Lua (click submit):</p>
+ <form method="POST" ><input type="text" name="t1"/><input type="submit"></form>
+
+ <pre>
+   POST data: [<?
+      local post_data = ''
+      if mg.request_info.request_method == 'POST' then
+        post_data = mg.read()
+      end
+      mg.write(post_data)
+    ?>]
+   request method: [<? mg.write(mg.request_info.request_method) ?>]
+   IP/port: [<? mg.write(mg.request_info.remote_ip, ':',
+                         mg.request_info.remote_port) ?>]
+   URI: [<? mg.write(mg.request_info.uri) ?>]
+   HTTP version [<? mg.write(mg.request_info.http_version) ?>]
+   HEADERS:
+   <?
+     for name, value in pairs(mg.request_info.http_headers) do
+       mg.write(name, ':', value, '\n')
+     end
+   ?>
+</pre>
+</html>