Added 5.5 release notes

make compile with g++ (fix invalid cast from ‘void*’)

.travis.yml

@@ -0,0 +1,20 @@
+language: cpp
+
+env:
+ matrix:
+  - MONGOOSE_NO_SOCKETPAIR
+  - MONGOOSE_NO_FILESYSTEM
+  - MONGOOSE_NO_AUTH
+  - MONGOOSE_NO_DAV
+  - MONGOOSE_NO_DIRECTORY_LISTING
+  - MONGOOSE_NO_LOGGING
+  - MONGOOSE_NO_SSI
+  - MONGOOSE_NO_DL
+  - MONGOOSE_NO_WEBSOCKET
+
+compiler:
+  - gcc
+  - clang
+
+script:
+  - cd test && make

README.md

@@ -1,33 +1,47 @@
-# Mongoose Web Server
+# <img src="http://cesanta.com/images/mongoose_logo.png" width="64" height="64"> Mongoose Web Server
+
+Mongoose is the most easy to use web server on the planet. A web server of choice for Web developers (PHP, Ruby, Python, etc) and Web designers.
+
+Mongoose is built on top of Libmongoose embedded library, which can turn
+anything into a web server in 5 minutes worth of effort and few lines of code.
+Libmongoose is used to serve Web GUI on embedded devices, implement RESTful
+services, RPC frameworks (e.g. JSON-RPC), handle telemetry data exchange, and
+perform many other tasks in various different industries including aerospace,
+manufacturing, finance, research, automotive, gaming, IT.
+
 
-Mongoose is easy to use, powerful, embeddable web server.
    * [Mailing list](http://groups.google.com/group/mongoose-users)
-   * [Downloads & Documentation](http://cesanta.com/mongoose.shtml)
+   * [Downloads](http://cesanta.com/mongoose.shtml)
-    * [How to use Lua Server Pages](http://cesanta.com/docs/Lua.shtml)
+   * [Documentation](http://cesanta.com/docs.shtml)
-    * [How to create basic website with Mongoose](http://cesanta.com/docs/BasicWebsite.shtml)
-    * [How to create PHP website with Mongoose](http://cesanta.com/docs/PhpWebsite.shtml)
-    * [Embedding Guide](http://cesanta.com/docs/Embed.shtml)
 
 # Features
 
-- Works on Windows, Mac, UNIX/Linux, iPhone, Android, and many other platforms
+- Works on Windows, Mac, UNIX/Linux, iPhone, Android eCos, QNX
-- CGI, SSI, SSL, Digest auth, Websocket, WEbDAV, Resumed download, URL rewrite, file blacklist, Custom error pages, Virtual hosts, IP-based ACL, Windows service
+and many other platforms
-- Scripting and database support ([Lua](http://lua.org) +
+- CGI, SSI, SSL, Digest auth, Websocket, WEbDAV, Resumed download,
-[Sqlite](http://sqlite.org), see
+  URL rewrite, file blacklist
-[dirscan.lp](https://github.com/cesanta/mongoose/blob/master/examples/lua/dirscan.lp) ),
+- Custom error pages, Virtual hosts, IP-based ACL, Windows service,
-  which provides ready to go, powerful web development platform in
+  HTTP/HTTPS client
-  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
+- Asynchronous, non-blocking core supporting single- or multi-threaded usage
-- On the market since 2004, stable, mature and tested,
+- On the market since 2004 with over 1 million cumulative downloads
-  has several man-years invested in continuous improvement and refinement
+- Stable, mature and tested, has several man-years invested
-- Professional support and consultancy available from
+  in continuous improvement and refinement
-[Cesanta Software](http://cesanta.com), developer of Mongoose
+
+# Screenshots
+
+Download, double-click to start, run browser -- that's all!
+
+![shot1](http://cesanta.com/images/tut_sharing/tut1.png)
+![shot2](http://cesanta.com/images/tut_sharing/tut2.png)
+
+![shot3](http://cesanta.com/images/tut_sharing/tut3.png)
+![shot4](http://cesanta.com/images/tut_sharing/tut4.png)
 
 # Acknowledgements
 
@@ -50,14 +64,23 @@ F.Morenius, and 10 others.
 
 # Licensing
 
-Mongoose is released under
+Mongoose is released under commercial and
-[GNU GPL v.2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html).
+[GNU GPL v.2](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) open
-Businesses have an option to get non-restrictive, royalty-free commercial
+source licenses. The GPLv2 open source License does not generally permit
-license and professional support from
+incorporating this software into non-open source programs. 
-[Cesanta Software](http://cesanta.com).
+For those customers who do not wish to comply with the GPLv2 open
+source license requirements,
+[Cesanta Software](http://cesanta.com) offers a full,
+royalty-free commercial license and professional support
+without any of the GPL restrictions.
 
-[Frozen JSON parser](https://github.com/cesanta/frozen),
+# Other products by Cesanta Software: simple and effective
-[Super Light Regular Expression library](https://github.com/cesanta/slre),
+
-[Super Light DNS Resolver](https://github.com/cesanta/sldr)
+- [SSL Wrapper](https://github.com/cesanta/ssl_wrapper) - application to
-are other projects by Cesanta Software, developed with the same philosophy
+  secure network communications
-of functionality and simplicity.
+- [Frozen](https://github.com/cesanta/frozen) - JSON parser and generator
+- [SLRE](https://github.com/cesanta/slre) - Super Light Regular Expression
+  library
+- [Net Skeleton](https://github.com/cesanta/net_skeleton) - framework for
+  building network applications
+- [SLDR](https://github.com/cesanta/sldr) - Super Light DNS Resolver

docs/API.md

@@ -43,7 +43,7 @@ allowed to call `mg_set_option()` by the same thread that does
 `mg_poll_server()` (Mongoose 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);
+    int mg_poll_server(struct mg_server *server, int milliseconds);
 
 Performs one iteration of IO loop by iterating over all
 active connections, performing `select()` syscall on all sockets with a timeout
@@ -71,23 +71,23 @@ occur. Sequence of events for the accepted connection is this:
       certain prefix, and let Mongoose serve all static files.
       If event handler decides to serve the request, but doesn't have
       all the data at the moment, it should return `MG_MORE`. That tells
-      Mongoose to send `MG_POLL` events on each iteration of `mg_poll_server()`
+      Mongoose to keep the connection open after callback returns.
 
       `mg_connection::connection_param` pointer is a placeholder to keep
       user-specific data. For example, handler could decide to open a DB
       connection and store DB connection handle in `connection_param`.
-   * `MG_POLL` is sent only to those connections which returned `MG_MORE`.
+   * `MG_POLL` is sent to every connection on every iteration of
-      Event handler should try to complete the reply. If reply is completed,
+      `mg_poll_server()`. Event handler should return `MG_FALSE` to ignore
-      then event handler should return `MG_TRUE`. Otherwise, it should
+      this event. If event handler returns `MG_TRUE`, then Mongoose assumes
-      return `MG_FALSE`, and polling will continue until
+      that event handler has finished sending data, and Mongoose will
-      handler returns `MG_TRUE`.
+      close the connection.
    * `MG_HTTP_ERROR` sent when Mongoose is about to send HTTP error back
       to the client. Event handler can choose to send a reply itself, in which
       case event handler must return `MG_TRUE`. Otherwise, event handler must
-      return `MG_FALSE`
+      return `MG_FALSE`.
    * `MG_CLOSE` is sent when the connection is closed. This event is used
       to cleanup per-connection state stored in `connection_param`
-      if it was allocated.
+      if it was allocated. Event handler return value is ignored.
 
 Sequence of events for the client connection is this:
 
@@ -96,7 +96,11 @@ Sequence of events for the client connection is this:
    Connection status is held in `mg_connection::status_code`: if zero,
    then connection was successful, otherwise connection was not established.
    User should send a request upon successful connection.
+   Event handler should return `MG_TRUE` if connection was successful and
+   HTTP request has been sent. Otherwise, it should send `MG_FALSE`.
    * `MG_REPLY` is sent when response has been received from the remote host.
+   If event handler sends another request, then it should return `MG_TRUE`.
+   Otherwise it should return `MG_FALSE` and Mongoose will close the connection.
    * `MG_CLOSE` same as for the accepted connection.
 
 
@@ -117,6 +121,8 @@ 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_data()` should be used.
 
+Return value: number of active connections.
+
 
     const char **mg_get_valid_option_names(void);
 
@@ -132,23 +138,14 @@ 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.
 
+    void mg_wakeup_server_ex(struct mg_server *, mg_handler_t func,
+                             const char *fmt, ...);
 
-    void mg_iterate_over_connections(struct mg_server *, mg_handler_t func);
+Sends string message to a server. Function `func` is called for every active
-
+connection. String message is passed in `struct mg_connection::callback_param`.
-This is an interface primarily designed to push arbitrary data to websocket
+This function is designed to push data to the connected clients, and
-connections at any time. This function could be called from the Mongoose thread
+can be called from any thread. There is a limitation on the length of
-only.  When it returns, Mongoose thread calls `func()` for each active
+the message, currently at 8 kilobytes.
-connection.
-It is allowed to call `mg_send_data()` or `mg_websocket_write()` within a
-callback, cause `func` is executed in the context of the Mongoose thread.
-
-    void mg_wakeup_server(struct mg_server *);
-
-Makes `mg_poll_server()` that could be sleeping in the `select()` syscall
-to break the call and return. This function can be called from any thread.
-It is designed to let other threads wake up Mongoose thread from the sleep
-and let it do a fresh new IO iteration over all connection. Usually it is done
-when other threads decides there is new data ready to be sent by Mongoose.
 
     void mg_send_status(struct mg_connection *, int status_code);
     void mg_send_header(struct mg_connection *, const char *name,
@@ -176,6 +173,15 @@ a response body.  Mongoose provides functions for all three parts:
      Mongoose will call a handler repeatedly after each socket write.
 
 <!-- -->
+     
+     void mg_send_file(struct mg_connection *, const char *path);
+
+Tells Mongoose to serve given file. Mongoose handles file according to
+it's extensions, i.e. Mongoose will invoke CGI script if `path` has CGI
+extension, it'll render SSI file if `path` has SSI extension, etc. If `path`
+points to a directory, Mongoose will show directory listing. If this function
+is used, no calls to `mg_send*` or `mg_printf*` functions must be made, and
+event handler must return `MG_MORE`.
 
     int mg_websocket_write(struct mg_connection* conn, int opcode,
                            const char *data, size_t data_len);
@@ -216,8 +222,7 @@ the length of the fetched value, or 0 if variable not found.
 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,
+several ways of implementing authentication on the server side.  
-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/BasicWebsite.md

@@ -1,4 +1,4 @@
-How To Create A PHP Website With Mongoose
+How To Create Basic Website With Mongoose
 ===========================================
 
 ## 1. Create a directory which will contain your website files. For example, on drive `C:\`, create a directory called `my_website`:
@@ -26,7 +26,7 @@ How To Create A PHP Website With Mongoose
 
 ![screenshot](http://cesanta.com/images/tut_basic/tut6.png)
 
-## 7. Click on the mongoose icon and choose "Start browser" menu:
+## 7. Click on the mongoose icon and choose "Go to my address" menu:
 ![screenshot](http://cesanta.com/images/tut_basic/tut7.png)
 
 ## 8. A browser will popup displaying `index.html` file. Now, you can expand your website by adding more content.

docs/Embed.md

@@ -50,7 +50,7 @@ to `mg_create_server()` function. Here is the example event handler function:
     }
 
 Event handler is called by Mongoose with `struct mg_connection *`
-pointer and an event number. `struct mg_connection *conn` 
+pointer and an event number. `struct mg_connection *conn`
 has all information about the request: HTTP headers, POST or websocket
 data buffer, etcetera. `enum mg_event ev` tells which exactly event is sent.
 For each event, an event handler returns a value which tells Mongoose how
@@ -71,16 +71,20 @@ The sequence of events for every connection is this:
       certain prefix, and let Mongoose serve all static files.
       If event handler decides to serve the request, but doesn't have
       all the data at the moment, it should return `MG_MORE`. That tells
-      Mongoose to send `MG_POLL` events on each iteration of `mg_poll_server()`
+      Mongoose to keep the connection open after callback returns.
 
       `mg_connection::connection_param` pointer is a placeholder to keep
       user-specific data. For example, handler could decide to open a DB
       connection and store DB connection handle in `connection_param`.
-   * `MG_POLL` is sent only to those connections which returned `MG_MORE`.
+   * `MG_POLL` is sent to every connection on every iteration of
-      Event handler should try to complete the reply. If reply is completed,
+      `mg_poll_server()`. Event handler should return `MG_FALSE` to ignore
-      then event handler should return `MG_TRUE`. Otherwise, it should
+      this event. If event handler returns `MG_TRUE`, then Mongoose assumes
-      return `MG_FALSE`, and polling will continue until
+      that event handler has finished sending data, and Mongoose will
-      handler returns `MG_TRUE`.
+      close the connection.
+   * `MG_HTTP_ERROR` sent when Mongoose is about to send HTTP error back
+      to the client. Event handler can choose to send a reply itself, in which
+      case event handler must return `MG_TRUE`. Otherwise, event handler must
+      return `MG_FALSE`
    * `MG_CLOSE` is sent when the connection is closed. This event is used
       to cleanup per-connection state stored in `connection_param`
       if it was allocated.
@@ -119,17 +123,9 @@ http://127.0.0.1:8080/hello will say hello, and here's the code:
 
 ## Example code
 
-Mongoose source code contains a well-commented example code, listed below:
+Mongoose source code contains number of examples, located in the
-
+[examples](https://github.com/cesanta/mongoose/blob/master/examples/) directory.
-   * [hello.c](https://github.com/cesanta/mongoose/blob/master/examples/hello.c)
+To build any example, go to the respective directory and run `make`.
-   a minimalistic hello world example
-   * [post.c](https://github.com/cesanta/mongoose/blob/master/examples/post.c)
-   shows how to handle form input
-   * [upload.c](https://github.com/cesanta/mongoose/blob/master/examples/post.c)
-   shows how to upload files
-   * [websocket.c](https://github.com/cesanta/mongoose/blob/master/examples/websocket.c) demonstrates websocket usage
-   * [auth.c](https://github.com/cesanta/mongoose/blob/master/examples/websocket.c) demonstrates API-controlled Digest authorization
-   * [mjpg.c](https://github.com/cesanta/mongoose/blob/master/examples/mjpg.c) demonstrates MJPEG streaming implementation
 
 ## Compilation flags
 
@@ -171,3 +167,5 @@ all Net Skeleton functions will be available too.
     -DNS_STACK_SIZE=X         Sets stack size to X for  ns_start_thread()
     -DNS_DISABLE_THREADS      Disable threads support
     -DNS_DISABLE_SOCKETPAIR   For systems without loopback interface
+    -DMONGOOSE_SEND_NS_EVENTS Send Net Skeleton events to the event handler
+                              in addition to the Mongoose events

docs/FAQ.md

@@ -1,6 +1,28 @@
 # Mongoose FAQ
 
-### PHP doesn't work: getting empty page, or 'File not found' error
+## My Antivirus Software reports Mongoose as a security threat
+
+Mongoose doesn't contain any malicious logic. Antivirus reports a
+[false positive](http://en.wikipedia.org/wiki/Type_I_and_type_II_errors#False_positive_error).
+This is when certain byte sequence in Mongoose accidentally matches
+virus signature in the Antivirus database.
+
+## Download page doesn't work
+
+Please make sure Javascript is enabled in your browser, and that the
+antivirus software is not blocking the download.
+
+
+## MacOS message: "Mongoose.app is damaged and can’t be opened. You should move it to the Trash"
+
+This happens on newer MacOS systems. The reason for the message
+is the fact Mongoose.app is not digitally signed.
+Mongoose download procedure changes the app on the fly by injecting
+user information in the binary, making any prior digital signature void.
+Open "System Preferences" -> "Security"  and set "Allow apps downloaded from"
+to "Anywhere".  Revert the settings once Mongoose is installed.
+
+## 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
@@ -8,7 +30,7 @@ full path to the PHP interpreter, e.g.:
 
     mongoose -cgi_interpreter /full/path/to/php-cgi
 
-### Mongoose fails to start
+## Mongoose fails to start
 
 If Mongoose exits immediately when run, this
 usually indicates a syntax error in the configuration file

docs/FileSharing.md

@@ -5,15 +5,14 @@ How To Share Files With Mongoose
 
 ![screenshot](http://cesanta.com/images/tut_sharing/tut1.png)
 
-## 2. Double-click mongoose executable. An icon will appear on a system tray in the bottom right corner of the desktop:
+## 2. Double-click mongoose executable. A browser will start automatically, an icon will appear on a system tray in the bottom right corner of the desktop:
 
 ![screenshot](http://cesanta.com/images/tut_sharing/tut2.png)
 
-## 3. Click on the mongoose icon and choose "Start browser" menu:
+## 3. Click on the mongoose icon
 ![screenshot](http://cesanta.com/images/tut_sharing/tut3.png)
 
-## 4. A browser will popup displaying files. That's all! To access those files from another computer, start a browser and type `http://<your_machine_ip_address>:8080/` in the address bar.
+
+## 4. Click on "Go to my address" to launch a browser locally. Or, to access a folder from another machine, launch a browser and type in the URL:
 
 ![screenshot](http://cesanta.com/images/tut_sharing/tut4.png)
-
-## Tip: to find out what is your machine IP address, take a look at http://windows.microsoft.com/en-us/windows/find-computers-ip-address

docs/Options.md

@@ -10,8 +10,12 @@ 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 those from `192.168/16` subnet. To learn
+the last match wins. Example: `$ mongoose -access_control_list -0.0.0.0/0,+192.168/16` to deny all acccesses except those from `192.168/16` subnet. Note that if the option is set, then all accesses are forbidden
-more about subnet masks, see the
+by default. Thus in a previous example, `-0.0.0.0` part is not necessary.
+For example, `$mongoose access_control_list +10.0.0.0/8`
+means disallow all, allow subnet 10/8 only.
+
+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.
@@ -65,6 +69,11 @@ A directory to serve. Default: current working directory.
 ### enable\_directory\_listing
 Enable directory listing, either `yes` or `no`. Default: `yes`.
 
+### enable\_proxy
+Enable proxy functionality, either `yes` or `no`. If set to `yes`, then
+browsers can be configured to use Mongoose as a proxy. Default: `no`.
+
+
 ### extra\_mime\_types
 Extra mime types to recognize, in form `extension1=type1,extension2=type2,...`.
 Extension must include dot.  Example:
@@ -86,23 +95,21 @@ 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 in milliseconds. 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.
+will bind to all addresses. To enable SSL, build Mongoose with
+`-DNS_ENABLE_SSL` compilation option, and specify `listening_port` as
+`ssl://PORT:SSL_CERTIFICATE.PEM`. Example SSL listener:
+`mongoose -listening_port ssl://8043:ssl_cert.pem`. Note that PEM file should
+be in PEM format, and must have both certificate and private key in it,
+concatenated together. More than one listening port can be specified,
+separated by comma,
+for example `mongoose -listening_port 8080,8000`. Default: 8080.
 
 ### run\_as\_user
 Switch to given user credentials after startup. UNIX-only. This option is

docs/PhpWebsite.md

@@ -40,7 +40,7 @@ How To Create A PHP Website With Mongoose
 
 ![screenshot](http://cesanta.com/images/tut_php/tut10.png)
 
-## 11. Click on the mongoose icon and choose "Start browser" menu:
+## 11. Click on the mongoose icon and choose "Go to my address" menu:
 ![screenshot](http://cesanta.com/images/tut_php/tut11.png)
 
 

docs/ReleaseNotes.md

@@ -0,0 +1,193 @@
+# Mongoose Release Notes
+
+## Release 5.5, October 28 2014
+
+Changes in Libmongoose library:
+
+- Added new API function: `mg_forward()` for proxying functionality
+- Added new API function: `mg_send_file_data()` for sending file data
+- Added new utility API functions: `mg_mmap() and mg_munpap()`
+- Changed the way SSL settings are handled: removed `ssl_certificate` and
+  `ssl_ca_certificate` options, and instead made `listening_port` accept
+  `ssl://PORT:SSL_CERT:CA_CERT` notation
+- Added ability to listen on multiple ports, see `listening_port` documentation
+- Added `enable_proxy` option
+- Added [cookie_authentication](https://github.com/cesanta/mongoose/tree/master/examples/cookie_authentication) example
+- Added [websocket\_ssl\_proxy](https://github.com/cesanta/mongoose/tree/master/examples/websocket_ssl_proxy) example
+- Added [http_client](https://github.com/cesanta/mongoose/tree/master/examples/http_client) example
+- Increased default 'idle connection' timeout from 30 to 300 seconds
+- Fixed MinGW build
+- Refactored all examples, put each in it's own directory with dedicated build
+- Many smaller bugfixed, including SSL, CGI, API, proxy, etc
+
+Changes in pre-compiled binaries:
+
+- Support for multiple listening ports
+- Fixed CGI handling for scripts that specify interpreter in the hashbang line
+
+## Release 5.4, July 28 2014
+
+Changes in Libmongoose library:
+
+- Added `hexdump_file` option for low-level request/reply debugging
+- Added `mg_template()` API function for generating HTML pages from
+    templates with expansions
+- Fixed `struct mg_connection::local_ip` handling, `mg_set_option()`
+    behavior with NULL values
+- Added `mg_send_file()` call to send arbitrary file to the client
+- Added `mg_terminate_ssl()` for SSL termination functionality
+- Added HTTP proxy support, `enable_proxy` config option
+- Added `mg_next()` for iterating over existing active connections
+- Added client-side SSL auth, `ssl_ca_certificate` option
+- Added `mg_wakeup_server_ex()` for pushing messages to existing connections
+- Added `MG_WS_HANDSHAKE` and `MG_WS_CONNECT` events that are sent on
+     Websocket handshake is connection establishment, respectively
+- Removed server-side Lua support
+- Filesystem access, reading from socket/SSL performance improvements
+- DAV PROPFIND memory leak fixed
+- Added `big_upload.c` and enhanced `upload.c` example
+- Added `proxy.c` example that demonstrates proxy functionality and SSE pushes
+- Added `websocket2.c` example that shows simple web chat implementation
+    over websockets
+- Various minor fixes
+
+
+Changes in pre-compiled binaries:
+
+- Created HTML administration console
+- When server is started, browser is started automatically
+- Fixed directory listing bug when directory contains `#` character
+- Removed built-in Lua Server Pages in the binary, and instead
+  added Mongoose + Lua developer bundle which has Lua Server Pages support.
+  That also solves external Lua modules loading problem.
+
+
+## Release 5.3, March 10 2014
+
+Changes in Libmongoose library:
+
+   * Moved to the evented API. Updated API documentation is at
+       http://cesanta.com/docs/Embed.shtml
+       http://cesanta.com/docs/API.shtml
+   *  Added `MG_LUA` event for exporting custom variables to the Lua environment
+   *  Added virtual hosts capability, see `url_rewrites` option description at
+       http://cesanta.com/docs/Options.shtml
+   *  Added mjpg serving example
+   *  Cleaned up and documented HTTP client API, with unit tests
+   *  Added `mg_wakeup_server()` to awaken `mg_poll_server()`
+      from another thread
+   *  Moved Mongoose IO core to [https://github.com/cesanta/net_skeleton](Net Skeleton)
+   *  Added connection hexdump functionality for developers
+   *  Bug fixes
+
+Changes in pre-compiled binaries:
+
+   *  New awesome Mongoose logos buy our designer Katrin - thanks Katrin!
+        Check them out at http://cesanta.com/products.shtml
+   *  Added Lua Server Pages support to the free version, quick intro is at
+        http://cesanta.com/docs/Lua.shtml
+   *  Added quick "Set shared directory" menu item to set `document_root`
+   *  Added SSI support to the Pro version
+   *  Removed SSL support from the Pro version
+
+## Release 5.2, Feb 1 2014
+
+   *  Windows binary made fully UNICODE aware. In previous versions,
+      the presence of non-ASCII chars in document root, CGI script name,
+      or directory name might have broken Mongoose as stand-alone
+      or as Windows service. Now Mongoose works with non-ASCII paths properly.
+      Internally, Mongoose uses UTF8 encoding. When making WinAPI calls,
+      mongoose converts UTF8 strings to wide chars and calls UNICODE API.
+   *  Enhanced authorization API by providing `mg_set_auth_handler()` and
+      `mg_authorize_digest()`
+   *  Removed `mg_add_uri_handler()`, added `mg_set_request_handler()`.
+      There is only oneURI handler that handles all requests, just like in 4.x.
+      The reason for this change is to provide an ability to catch all URIs,
+      and at the same time signal Mongoose to continue handling specific URIs.
+  *  Added `mg_parse_multipart()` API for file uploads.
+      Note that the restriction on uploading huge files still exists,
+      and will be eliminated in the next release.
+  *  Allowing mongoose to bind to port 0, in which case it'll bind to any
+      random unused port.
+  *  Moved `idle_timeout_ms` run-time option to compile-time flag
+  *  Added asynchronous HTTP client, not documented yet. Documentation and
+      examples are coming in the next couple of weeks. Async Websocket client
+      is scheduled for the next release. See usage examples at `unit_test.c`
+  *  Windows and MacOS pre-built binaries are now split to free and paid ones,
+    paid binaries include CGI, SSL, Lua, Sqlite, support and updates.
+    Linux pre-built binary includes all functionality and is free, and will
+    continue to be free.  Source code for Windows and MacOS GUI is closed.
+    Disclaimer: source code for the command line stand-alone server,
+    as well as Mongoose library itself, will never be closed.
+  *  Multiple bug fixes and minor enhancements
+
+## Release 5.1, Jan 10 2014
+
+   *  CGI-related bugs where fixed, primarily for Windows platform
+   *  Bugs on Windows related to UNICODE support were fixed
+   *  Added a feature to support "error pages" through redirect.
+      Done using `-url_redirects` option, details are on
+      http://cesanta.com/docs/Options.shtml
+
+## Release 5.0, Jan 6 2014
+
+   *  Internal core has been changed from blocking, thread-per-connection to
+      non-blocking, asynchronous, one thread for all.
+   *  API modification for server creation and response creation. That allowed
+     keep-alive support for dynamic requests, boosting the embedded performance
+     to 100+ thousands requests per second on a single core
+     (as measured on my development MacBook laptop)
+   * Unified handling of POST requests and Websocket requests by putting a
+    payload into `conn->content`, `conn->content_len` attributes.
+    That simplified user code and eliminated the need of `mg_read()`,
+    since mongoose buffers all data prior to calling the callback
+   * keep-alive support is the default
+   * Dropped SSI support and throttling support
+   *  Several configuraition parameters are gone:
+    *  `cgi_environment` (replaced with MONGOOSE_CGI),
+    *  `protect_uri` (not useful)
+    *  `ssi_pattern` (SSI support is gone)
+    *  `throttle` (throttling support is gone)
+    *  `error_log_file` (not used)
+    *   `enable_keep_alive` (enabled by default)
+    *   `listening_ports` (renamed to listening_port)
+    *   `num_threads` (core has changed to single thread)
+    *   `put_delete_auth_file` (renamed to dav_auth_file)
+    *   `authentication_domain` (renamed to auth_domain)
+   * Due to the async, non-blocking nature of the core, few restrictions
+      are now in place:
+    * user callbacks must not block
+    * POST and Websocket data are now buffered, and cannot be huge
+   * mongoose is now capable on listening on only one port
+
+## Release 4.1, Oct 2013
+## Release 4.0, Oct 2013
+## Release 3.8, Sep 2013
+
+## Release 3.7, Feb 2 2013
+
+  *  Added "redirect to SSL port" functionality, e.g. if you specify
+      `-listening_ports 8080r,8043s`
+      then all requests to HTTP port 8080 will be redirected to HTTPS port 8043
+  *  Added `mg_download()` API, an HTTP client interface!
+  *  Lua server pages now must output HTTP headers -- full control for Lua
+  *  Added pre-built binary for MacOS, with initial GUI support
+  *  API change: got rid of events, moved to struct `mg_callbacks`
+  *  Bugfixes, thanks to contributors
+
+
+## Release 3.7, Jan 18 2013
+  *  Fixed source code archive (main.c was missing)
+  *  Extended Windows GUI functionality:
+   * Added "Start browser" systray popup menu item
+   *  Enhanced configuration editor
+  *  Renamed config options:
+   * `put_delete_passwords_file` -> `put_delete_auth_file`
+   * `global_passwords_file` -> `global_auth_file`
+  *  `select()` changed to `poll()`, to avoid big file descriptor
+  `FD_SET` problem on UNIX
+  *  Couple of bugfixes, thanks to contributors
+
+
+Eearlier release notes could be found by searching
+[Mongoose mailing list](https://groups.google.com/forum/#!forum/mongoose-users)

examples/Makefile

@@ -1,62 +1,15 @@
-CFLAGS = -W -Wall -I.. -pthread -g -pipe $(CFLAGS_EXTRA)
+# Copyright (c) 2014 Cesanta Software
-RM = rm -rf
+# All rights reserved
-OUT = -o $@
 
-ifeq ($(OS),Windows_NT)
+SUBDIRS = $(sort $(filter-out csharp/, $(dir $(wildcard */))))
-  MSVC = ../../vc6
+X = $(SUBDIRS)
-  RM = del /q /f
-  OUT =
-  CC = $(MSVC)/bin/cl
-  CFLAGS = /MD /TC /nologo /W3 /I$(MSVC)/include /I..
-  CFLAGS += /link /incremental:no /libpath:$(MSVC)/lib /machine:IX86
-  CFLAGS += $(CFLAGS_EXTRA)
-else
-  UNAME_S := $(shell uname -s)
 
-  ifeq ($(UNAME_S),Linux)
+.PHONY: $(SUBDIRS)
-    CFLAGS += -ldl
-  endif
 
-  ifeq ($(UNAME_S),Darwin)
+all: $(SUBDIRS)
-  endif
-endif
 
-all: hello websocket server post multi_threaded upload auth
+$(SUBDIRS):
-
+	@$(MAKE) -C $@
-# To enable Lua in a server, uncomment following lines
-LUA    = ../lua-5.2.3/src
-#CFLAGS += -I$(LUA) -L$(LUA) -llua -DMONGOOSE_USE_LUA
-
-server: server.c ../mongoose.c
-	$(CC) server.c ../mongoose.c $(OUT)  $(CFLAGS)
-
-hello: hello.c ../mongoose.c
-	$(CC) hello.c ../mongoose.c $(OUT) $(CFLAGS)
-
-websocket: websocket_html.c websocket.c ../mongoose.c
-	$(CC) websocket.c websocket_html.c ../mongoose.c $(OUT)  $(CFLAGS)
-
-post: post.c ../mongoose.c
-	$(CC) post.c ../mongoose.c $(OUT) $(CFLAGS)
-
-multi_threaded: multi_threaded.c ../mongoose.c
-	$(CC) multi_threaded.c ../mongoose.c $(OUT) $(CFLAGS)
-
-upload: upload.c ../mongoose.c
-	$(CC) upload.c ../mongoose.c $(OUT) $(CFLAGS)
-
-auth: auth.c ../mongoose.c
-	$(CC) auth.c ../mongoose.c $(OUT) $(CFLAGS)
-
-mjpg: mjpg.c ../mongoose.c
-	$(CC) mjpg.c ../mongoose.c $(OUT) $(CFLAGS)
-
-
-websocket_html.c: websocket.html
-	perl mkdata.pl $< > $@
-
-u:
-	g++ unit_test.c -Wall -W -pedantic -lssl -g -O0 $(CFLAGS_EXTRA) && ./a.out
 
 clean:
-	-@$(RM) hello mjpg upload post websocket auth server multi_threaded websocket_html.c *.exe *.dSYM *.obj .*o
+	for d in $(SUBDIRS) ; do $(MAKE) -C $$d clean ; done

examples/big_upload/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = big_upload
+CFLAGS = -W -Wall -pthread -I../.. -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/big_upload/big_upload.c

@@ -0,0 +1,84 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "mongoose.h"
+
+static int handle_request(struct mg_connection *conn) {
+  if (strcmp(conn->uri, "/upload") == 0) {
+    FILE *fp = (FILE *) conn->connection_param;
+    if (fp != NULL) {
+      fwrite(conn->content, 1, conn->content_len, fp); // Write last bits
+      mg_printf(conn, "HTTP/1.1 200 OK\r\n"
+                "Content-Type: text/plain\r\n"
+                "Connection: close\r\n\r\n"
+                "Written %ld of POST data to a temp file:\n\n",
+                (long) ftell(fp));
+
+      // Temp file will be destroyed after fclose(), do something with the
+      // data here -- for example, parse it and extract uploaded files.
+      // As an example, we just echo the whole POST buffer back to the client.
+      rewind(fp);
+      mg_send_file_data(conn, fileno(fp));
+      return MG_MORE;  // Tell Mongoose reply is not completed yet
+    } else {
+      mg_printf_data(conn, "%s", "Had no data to write...");
+      return MG_TRUE; // Tell Mongoose we're done with this request
+    }
+  } else {
+    mg_printf_data(conn, "%s",
+                   "<html><body>Upload example."
+                   "<form method=\"POST\" action=\"/upload\" "
+                   "  enctype=\"multipart/form-data\">"
+                   "<input type=\"file\" name=\"file\" /> <br/>"
+                   "<input type=\"submit\" value=\"Upload\" />"
+                   "</form></body></html>");
+    return MG_TRUE;   // Tell mongoose to close this connection
+  }
+}
+
+// Mongoose sends MG_RECV for every received POST chunk.
+// When last POST chunk is received, Mongoose sends MG_REQUEST, then MG_CLOSE.
+static int handle_recv(struct mg_connection *conn) {
+  FILE *fp = (FILE *) conn->connection_param;
+
+  // Open temporary file where we going to write data
+  if (fp == NULL && ((conn->connection_param = fp = tmpfile())) == NULL) {
+    return -1;  // Close connection on error
+  }
+
+  // Return number of bytes written to a temporary file: that is how many
+  // bytes we want to discard from the receive buffer
+  return fwrite(conn->content, 1, conn->content_len, fp);
+}
+
+// Make sure we free all allocated resources
+static int handle_close(struct mg_connection *conn) {
+  if (conn->connection_param != NULL) {
+    fclose((FILE *) conn->connection_param);
+    conn->connection_param = NULL;
+  }
+  return MG_TRUE;
+}
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_AUTH:     return MG_TRUE;
+    case MG_REQUEST:  return handle_request(conn);
+    case MG_RECV:     return handle_recv(conn);
+    case MG_CLOSE:    return handle_close(conn);
+    default:          return MG_FALSE;
+  }
+}
+
+int main(void) {
+  struct mg_server *server = mg_create_server(NULL, ev_handler);
+  mg_set_option(server, "listening_port", "8080");
+  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
+
+  for (;;) {
+    mg_poll_server(server, 1000);
+  }
+
+  mg_destroy_server(&server);
+  return 0;
+}

examples/c#/example.cs

@@ -1,37 +0,0 @@
-// 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

@@ -1,93 +0,0 @@
-// 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

@@ -1,15 +0,0 @@
-#include "mongoose.h"
-
-int main(void) {
-  struct mg_server *server = mg_create_server(NULL);
-  mg_set_option(server, "listening_port", "8080");
-  mg_set_option(server, "document_root", "chat_html_root");
-
-  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
-  for (;;) {
-    mg_poll_server(server, 1000);
-  }
-  mg_destroy_server(&server);
-
-  return 0;
-}

examples/chat_server/web_root/index.html

@@ -1,73 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
-<html xmlns="http://www.w3.org/1999/xhtml" lang="en" dir="ltr"> 
-  <!-- This file is part of the  Mongoose project,
-    http://code.google.com/p/mongoose -->
-  <head>
-    <title>Mongoose chat server</title>
-    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
-    <link type="text/css" rel="stylesheet" href="style.css"/>
-    <script src="jquery.js"></script>
-    <script src="main.js"></script>
-  </head>
-
-  <body>
-  <div id="header">
-    <div id="logo"></div>
-    <div class="rounded infobox help-message" id="motd">
-      Chat room implemented using
-      <a href="http://code.google.com/p/mongoose" target="_blank">Mongoose</a>
-      embeddable web server.
-      This application was written for educational purposes demonstrating
-      how web interface could be decoupled from the business logic. Not a
-      single line of HTML is generated by the server, instead, server
-      gives data to the client in JSON format.
-    </div>
-  </div>
-  <div>
-
-  <div id="middle">
-    <div><center><span id="error" class="rounded"></span><center></div>
-
-    <div id="menu">
-      <div class="menu-item left-rounded menu-item-selected"
-      	name="chat">Chat</div>
-      <div class="menu-item left-rounded" name="settings">Settings</div>
-    </div>
-
-    <div id="content" class="rounded">
-
-      <div id="chat" class="main">
-        <div class="chat-window">
-          <span class="top-rounded chat-title">Main room</span>
-          <div class="bottom-rounded chat-content">
-            <div class="message-list" id="mml">
-            </div>
-            <input type="text" size="40" class="message-input"></input>
-            <span class="help-message">
-              Type your message here and press enter</span>
-          </div>
-        </div>
-      </div>
-
-      <div id="settings" class="hidden main">
-        <div>
-          <span class="top-rounded chat-title">Settings</span>
-          <div class="bottom-rounded chat-content">
-	    <table>
-	      <tr><td>Max messages to display:</td><td>blah blah</td></tr>
-	      <tr><td>Text color:</td><td>blah blah</td></tr>
-	    </table>
-          </div>
-        </div>
-      </div>
-
-    </div>
-  </div>
-
-  <div id="footer">
-    Copyright &copy; 2004-2010 by Sergey Lyubka
-  </div>
-
-  </body>
-</html>

examples/chat_server/web_root/jquery.js

@@ -1,154 +0,0 @@
-/*!
- * jQuery JavaScript Library v1.4.2
- * http://jquery.com/
- *
- * Copyright 2010, John Resig
- * Dual licensed under the MIT or GPL Version 2 licenses.
- * http://jquery.org/license
- *
- * Includes Sizzle.js
- * http://sizzlejs.com/
- * Copyright 2010, The Dojo Foundation
- * Released under the MIT, BSD, and GPL Licenses.
- *
- * Date: Sat Feb 13 22:33:48 2010 -0500
- */
-(function(A,w){function ma(){if(!c.isReady){try{s.documentElement.doScroll("left")}catch(a){setTimeout(ma,1);return}c.ready()}}function Qa(a,b){b.src?c.ajax({url:b.src,async:false,dataType:"script"}):c.globalEval(b.text||b.textContent||b.innerHTML||"");b.parentNode&&b.parentNode.removeChild(b)}function X(a,b,d,f,e,j){var i=a.length;if(typeof b==="object"){for(var o in b)X(a,o,b[o],f,e,d);return a}if(d!==w){f=!j&&f&&c.isFunction(d);for(o=0;o<i;o++)e(a[o],b,f?d.call(a[o],o,e(a[o],b)):d,j);return a}return i?
-e(a[0],b):w}function J(){return(new Date).getTime()}function Y(){return false}function Z(){return true}function na(a,b,d){d[0].type=a;return c.event.handle.apply(b,d)}function oa(a){var b,d=[],f=[],e=arguments,j,i,o,k,n,r;i=c.data(this,"events");if(!(a.liveFired===this||!i||!i.live||a.button&&a.type==="click")){a.liveFired=this;var u=i.live.slice(0);for(k=0;k<u.length;k++){i=u[k];i.origType.replace(O,"")===a.type?f.push(i.selector):u.splice(k--,1)}j=c(a.target).closest(f,a.currentTarget);n=0;for(r=
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-"pageXOffset"]:c.support.boxModel&&j.document.documentElement[d]||j.document.body[d]:e[d]}});c.each(["Height","Width"],function(a,b){var d=b.toLowerCase();c.fn["inner"+b]=function(){return this[0]?c.css(this[0],d,false,"padding"):null};c.fn["outer"+b]=function(f){return this[0]?c.css(this[0],d,false,f?"margin":"border"):null};c.fn[d]=function(f){var e=this[0];if(!e)return f==null?null:this;if(c.isFunction(f))return this.each(function(j){var i=c(this);i[d](f.call(this,j,i[d]()))});return"scrollTo"in
-e&&e.document?e.document.compatMode==="CSS1Compat"&&e.document.documentElement["client"+b]||e.document.body["client"+b]:e.nodeType===9?Math.max(e.documentElement["client"+b],e.body["scroll"+b],e.documentElement["scroll"+b],e.body["offset"+b],e.documentElement["offset"+b]):f===w?c.css(e,d):this.css(d,typeof f==="string"?f:f+"px")}});A.jQuery=A.$=c})(window);

examples/chat_server/web_root/login.html

@@ -1,43 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
-<html xmlns="http://www.w3.org/1999/xhtml" lang="en" dir="ltr"> 
-  <!-- This file is part of the  Mongoose project,
-    http://code.google.com/p/mongoose -->
-  <head>
-    <title>Mongoose chat: login</title>
-    <meta http-equiv="Content-Type" content="text/html;charset=utf-8"/>
-    <!--
-      Note that this page is self-sufficient, it does not load any other
-      CSS or Javascript file. This is done so because only this page is
-      allowed for non-authorized users. If we want to load other files
-      from the frontend, we need to change backend code to allow those
-      for non-authorized users. See chat.c :: must_authorize() function.
-    -->
-  </head>
-
-  <script>
-    window.onload = function() {
-      // Set correct action for the login form. We assume that the SSL port
-      // is the next one to insecure one.
-      var httpsPort = location.protocol.match(/https/) ? location.port :
-        parseInt(location.port) + 1;
-      document.forms[0].action = 'https://' + location.hostname + ':' +
-        httpsPort + '/authorize';
-    };
-  </script>
-
-  <body>
-    <center>
-      <h2>Mongoose chat server login</h2>
-      <div style="max-width: 30em;">
-        Username and password can be any non-empty strings.
-      </div>
-      <br/>
-      <form>
-        <input type="text" name="user"></input><br/>
-        <input type="text" name="password"></input><br/>
-        <input type="submit" value="Login"></input>
-      </form>
-    </center>
-  </body>
-</html>

examples/chat_server/web_root/main.js

@@ -1,106 +0,0 @@
-// This file is part of Mongoose project, http://code.google.com/p/mongoose
-
-var chat = {
-  // Backend URL, string.
-  // 'http://backend.address.com' or '' if backend is the same as frontend
-  backendUrl: 'api.lp',
-  maxVisibleMessages: 10,
-  errorMessageFadeOutTimeoutMs: 2000,
-  errorMessageFadeOutTimer: null,
-  lastMessageId: 0,
-  getMessagesIntervalMs: 1000,
-};
-
-chat.normalizeText = function(text) {
-  return text.replace('<', '&lt;').replace('>', '&gt;');
-};
-
-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();
-    $('<span>')
-      .addClass('message-timestamp')
-      .html('[' + timestamp + ']')
-      .prependTo(row);
-    $('<span>')
-      .addClass('message-user')
-      .addClass(entry.user ? '' : 'message-user-server')
-      .html(chat.normalizeText((entry.user || '[server]') + ':'))
-      .appendTo(row);
-    $('<span>')
-      .addClass('message-text')
-      .addClass(entry.user ? '' : 'message-text-server')
-      .html(chat.normalizeText(entry.text))
-      .appendTo(row);
-    chat.lastMessageId = Math.max(chat.lastMessageId, entry.id) + 1;
-  });
-
-  // Keep only chat.maxVisibleMessages, delete older ones.
-  while ($('#mml').children().length > chat.maxVisibleMessages) {
-    $('#mml div:first-child').remove();
-  }
-};
-
-chat.getMessages = function(enter_loop) {
-  $.ajax({
-    data: {last_id: chat.lastMessageId, cmd: 'get_messages'},
-    success: chat.refresh,
-    error: function() {
-    },
-  });
-  if (enter_loop) {
-    window.setTimeout('chat.getMessages(true)', chat.getMessagesIntervalMs);
-  }
-};
-
-chat.handleMenuItemClick = function(ev) {
-  $('.menu-item').removeClass('menu-item-selected');  // Deselect menu buttons
-  $(this).addClass('menu-item-selected');  // Select clicked button
-  $('.main').addClass('hidden');  // Hide all main windows
-  $('#' + $(this).attr('name')).removeClass('hidden');  // Show main window
-};
-
-chat.showError = function(message) {
-  $('#error').html(message).fadeIn('fast');
-  window.clearTimeout(chat.errorMessageFadeOutTimer);
-  chat.errorMessageFadeOutTimer = window.setTimeout(function() {
-      $('#error').fadeOut('slow');
-  }, chat.errorMessageFadeOutTimeoutMs);
-};
-
-chat.handleMessageInput = function(ev) {
-  var input = ev.target;
-  if (ev.keyCode != 13 || !input.value)
-    return;
-  //input.disabled = true;
-  $.ajax({
-    data: { text: input.value, cmd: 'send_message' },
-    success: function(ev) {
-      input.value = '';
-      input.disabled = false;
-      chat.getMessages(false);
-    },
-    error: function(ev) {
-      chat.showError('Error sending message');
-      input.disabled = false;
-    },
-  });
-};
-
-$(document).ready(function() {
-  $.ajaxSetup({
-    dataType: 'json',
-    url: chat.backendUrl
-  });
-  $('.menu-item').click(chat.handleMenuItemClick);
-  $('.message-input').keypress(chat.handleMessageInput);
-  chat.getMessages(true);
-});
-
-// vim:ts=2:sw=2:et

examples/chat_server/web_root/style.css

@@ -1,154 +0,0 @@
-/*
- * vim:ts=2:sw=2:et:ai
- */
-
-body {
-  font: 13px Arial; margin: 0.5em 1em;
-}
-
-#logo {
-  background: url('logo.png') no-repeat ;
-  width: 160px;
-  height: 40px;
-  float: left;
-}
-
-td {
-  text-align: left;
-}
-
-#motd {
-  margin-left: 170px;
-}
-
-.infobox {
-  background: #eed;
-  padding: 1px 1em;
-}
-
-.help-message {
-  color: #aaa;
-}
-
-#middle {
-  margin: 0.5em 0;
-}
-
-#error {
-  background: #c44;
-  color: white;
-  font-weight: bold;
-}
-
-#content, .menu-item-selected, .chat-title, .chat-content {
-  background: #c3d9ff;
-}
-
-#content {
-  overflow: hidden;
-  min-height: 7em;
-  padding: 1em;
-}
-
-.chat-title {
-  padding: 1px 1ex;
-}
-
-.chat-content {
- padding: 1ex;
-}
-
-.chat-window {
-}
-
-.message-row {
-  margin: 2px;
-  border-bottom: 1px solid #bbb;
-}
-
-.message-timestamp {
-  color: #484;
-}
-
-.message-user {
-  margin-left: 0.5em;
-  font-weight: bold;
-}
-
-.message-text {
-  margin-left: 0.5em;
-}
-
-.message-user-server {
-  color: purple;
-}
-
-.message-text-server {
-  font-style: italic;
-}
-
-.main {
-  padding: 0.5em;
-  background: #f0fcff;
-}
-
-#menu {
-  margin-top: 1em;
-  min-width: 7em;
-  float: left;
-}
-
-#footer {
-  position: fixed;
-  bottom: 0;
-  right: 0;
-  color: #ccc;
-  padding: 0.5em;
-}
-
-.section {
-  clear: both;
-}
-
-.hidden {
-  display: none;
-}
-
-.menu-item {
-  cursor: pointer;
-  padding: 0.1em 0.5em;
-}
-
-.menu-item-selected {
-  font-weight: bold;
-}
-
-.message-list {
-  min-height: 1em;
-  background: white;
-  margin: 0.5em 0;
-}
-
-.rounded {
-  border-radius: 6px;
-  -moz-border-radius: 6px;
-  -webkit-border-radius: 6px;
-}
-
-.left-rounded {
-  border-radius: 6px 0 0 6px;
-  -moz-border-radius: 6px 0 0 6px;
-  -webkit-border-radius: 6px 0 0 6px;
-}
-
-.bottom-rounded {
-  border-radius: 0 0 6px 6px;
-  -moz-border-radius: 0 0 6px 6px;
-  -webkit-border-radius: 0 0 6px 6px;
-}
-
-.top-rounded {
-  border-radius: 6px 6px 0 0;
-  -moz-border-radius: 6px 6px 0 0;
-  -webkit-border-radius: 6px 6px 0 0;
-}

examples/cookie_authentication/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = cookie_auth
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/cookie_authentication/cookie_auth.c

@@ -0,0 +1,96 @@
+// Copyright (c) 2014 Cesanta Software
+// All rights reserved
+
+#include <stdio.h>
+#include <string.h>
+#include <time.h>
+#include "mongoose.h"
+
+static const char *s_login_uri = "/login.html";
+static const char *s_secret = ":-)";  // Must be known only to server
+
+static void generate_ssid(const char *user_name, const char *expiration_date,
+                          char *ssid, size_t ssid_size) {
+  char hash[33];
+  mg_md5(hash, user_name, ":", expiration_date, ":", s_secret, NULL);
+  snprintf(ssid, ssid_size, "%s|%s|%s", user_name, expiration_date, hash);
+}
+
+static int check_auth(struct mg_connection *conn) {
+  char ssid[100], calculated_ssid[100], name[100], expire[100];
+
+  // Always authenticate requests to login page
+  if (strcmp(conn->uri, s_login_uri) == 0) {
+    return MG_TRUE;
+  }
+
+  // Look for session ID in the Cookie.
+  // That session ID can be validated against the database that stores
+  // current active sessions.
+  mg_parse_header(mg_get_header(conn, "Cookie"), "ssid", ssid, sizeof(ssid));
+  if (sscanf(ssid, "%[^|]|%[^|]|", name, expire) == 2) {
+    generate_ssid(name, expire, calculated_ssid, sizeof(calculated_ssid));
+    if (strcmp(ssid, calculated_ssid) == 0) {
+      return MG_TRUE;  // Authenticate
+    }
+  }
+
+  // Auth failed, do NOT authenticate, redirect to login page
+  mg_printf(conn, "HTTP/1.1 302 Moved\r\nLocation: %s\r\n\r\n", s_login_uri);
+  return MG_FALSE;
+}
+
+static int check_login_form_submission(struct mg_connection *conn) {
+  char name[100], password[100], ssid[100], expire[100], expire_epoch[100];
+
+  mg_get_var(conn, "name", name, sizeof(name));
+  mg_get_var(conn, "password", password, sizeof(password));
+
+  // A real authentication mechanism should be employed here.
+  // Also, the whole site should be served through HTTPS.
+  if (strcmp(name, "Joe") == 0 && strcmp(password, "Doe") == 0) {
+    // Generate expiry date
+    time_t t = time(NULL) + 3600;  // Valid for 1 hour
+    snprintf(expire_epoch, sizeof(expire_epoch), "%lu", (unsigned long) t);
+    strftime(expire, sizeof(expire), "%a, %d %b %Y %H:%M:%S GMT", gmtime(&t));
+    generate_ssid(name, expire_epoch, ssid, sizeof(ssid));
+    // Set "session id" cookie, there could be some data encoded in it.
+    mg_printf(conn,
+              "HTTP/1.1 302 Moved\r\n"
+              "Set-Cookie: ssid=%s; expire=\"%s\"; http-only; HttpOnly;\r\n"
+              "Location: /\r\n\r\n",
+              ssid, expire);
+    return MG_TRUE;
+  }
+  return MG_FALSE;
+}
+
+static int serve_request(struct mg_connection *conn) {
+  if (strcmp(conn->uri, s_login_uri) == 0 &&
+      strcmp(conn->request_method, "POST") == 0) {
+    return check_login_form_submission(conn);
+  }
+  return MG_FALSE;  // Serve files in the document_root
+}
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_AUTH: return check_auth(conn);
+    case MG_REQUEST: return serve_request(conn);
+    default: return MG_FALSE;
+  }
+}
+
+int main(void) {
+  struct mg_server *server = mg_create_server(NULL, ev_handler);
+  mg_set_option(server, "listening_port", "8080");
+  mg_set_option(server, "document_root", ".");
+
+  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
+  for (;;) {
+    mg_poll_server(server, 1000);
+  }
+  mg_destroy_server(&server);
+
+  return 0;
+}

examples/cookie_authentication/index.html

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8" />
+  <title>WebSocket Test</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <style type="text/css">
+    body {
+      background-color: #cde; margin: 0;
+      padding: 0; font: 14px Helvetica, Arial, sans-serif;
+    }
+    * { outline: none; }
+    div.content {
+      width: 800px; margin: 2em auto; padding: 20px 50px;
+      background-color: #fff; border-radius: 1em;
+    }
+    label { display: inline-block; min-width: 7em; }
+    input { border: 1px solid #ccc; padding: 0.4em; margin: 0 0 10px 0; }
+    a:link, a:visited { color: #69c; text-decoration: none; }
+    @media (max-width: 700px) {
+      body { background-color: #fff; }
+      div.content {
+        width: auto; margin: 0 auto; border-radius: 0; padding: 1em;
+      }
+    }
+</style>
+
+<body>
+  <div class="content">
+    <h1>Mongoose Cookie Base Authentication</h1>
+    <p>This is an index page. Authentication succeeded.</p>
+</body>
+</html>

examples/cookie_authentication/login.html

@@ -0,0 +1,44 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8" />
+  <title>WebSocket Test</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <style type="text/css">
+    body {
+      background-color: #cde; margin: 0;
+      padding: 0; font: 14px Helvetica, Arial, sans-serif;
+    }
+    * { outline: none; }
+    div.content {
+      width: 800px; margin: 2em auto; padding: 20px 50px;
+      background-color: #fff; border-radius: 1em;
+    }
+    label { display: inline-block; min-width: 7em; }
+    input { border: 1px solid #ccc; padding: 0.4em; margin: 0 0 10px 0; }
+    a:link, a:visited { color: #69c; text-decoration: none; }
+    @media (max-width: 700px) {
+      body { background-color: #fff; }
+      div.content {
+        width: auto; margin: 0 auto; border-radius: 0; padding: 1em;
+      }
+    }
+</style>
+
+<body>
+  <div class="content">
+    <h1>Mongoose Cookie Based Authentication</h1>
+    <p>Use name "Joe", password "Doe" to login.</p>
+    <form method="POST">
+      <div>
+        <label>Name:</label>
+        <input type="text" name="name"/>
+      </div><div>
+        <label>Password:</label>
+        <input type="password" name="password"/>
+      </div><div>
+        <input type="submit" value="Login"/>
+      </div>
+    </form>
+</body>
+</html>

examples/csharp/example.cs

@@ -0,0 +1,43 @@
+// This file is part of mongoose web server project,
+// https://github.com/cesanta/mongoose
+
+using System;
+
+public class Program {
+  static private int EventHandler(IntPtr conn_ptr, int ev) {
+		MongooseConnection conn = (MongooseConnection)
+			System.Runtime.InteropServices.Marshal.PtrToStructure(
+				conn_ptr , typeof(MongooseConnection));
+
+		if (ev == 102) {
+			// MG_AUTH
+			return 1;
+		} else if (ev == 103) {
+			// MG_REQUEST
+	    Mongoose.send_data(conn_ptr, "Hello from C#!\n");
+			Mongoose.send_data(conn_ptr, "URI: " + conn.uri + "\n");
+			Mongoose.send_data(conn_ptr, "HTTP Headers:\n");
+			
+			for (int i = 0; i < conn.num_headers; i++) {
+				IntPtr name = conn.http_headers[i].name;
+				IntPtr val = conn.http_headers[i].value;
+				System.Runtime.InteropServices.Marshal.PtrToStringAnsi(name);
+				Mongoose.send_data(conn_ptr, "  " +
+					System.Runtime.InteropServices.Marshal.PtrToStringAnsi(name) + ": " +
+						System.Runtime.InteropServices.Marshal.PtrToStringAnsi(val) + "\n");
+			}			
+      return 1;
+		}
+		return 0;
+  }
+
+  static void Main() {
+    Mongoose web_server = new Mongoose(".", "9001",
+        new MongooseEventHandler(EventHandler));
+
+    Console.WriteLine("Mongoose started, press Ctrl-C to exit.");
+		for (;;) {
+			web_server.poll(1000);
+		}
+  }
+}

examples/csharp/mongoose.cs

@@ -0,0 +1,68 @@
+// 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_connection
+[StructLayout(LayoutKind.Sequential)] public struct MongooseConnection {
+  [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.ByValArray,SizeConst=48)] public char[] remote_ip;
+	[MarshalAs(UnmanagedType.LPTStr)] public string local_ip;
+	[MarshalAs(UnmanagedType.U2)] public short remote_port;
+	[MarshalAs(UnmanagedType.U2)] public short local_port;
+	
+	[MarshalAs(UnmanagedType.SysInt)] public int num_headers;
+  [MarshalAs(UnmanagedType.ByValArray,SizeConst=30)]
+    public MongooseHeader[] http_headers;
+	
+	[MarshalAs(UnmanagedType.LPTStr)] public IntPtr content;
+	[MarshalAs(UnmanagedType.SysInt)] public int content_len;
+	
+	[MarshalAs(UnmanagedType.SysInt)] public int is_websocket;
+	[MarshalAs(UnmanagedType.SysInt)] public int status_code;
+	[MarshalAs(UnmanagedType.SysInt)] public int wsbits;
+};
+
+public delegate int MongooseEventHandler(IntPtr c, int ev);
+
+public class Mongoose {
+  public const string dll_ = "mongoose";
+  private IntPtr server_;
+
+	[DllImport(dll_)] private static extern IntPtr
+		mg_create_server(IntPtr user_data, MongooseEventHandler eh);
+	[DllImport(dll_)] private static extern int
+		mg_poll_server(IntPtr server, int milli);
+  [DllImport(dll_)] private static extern IntPtr
+		mg_set_option(IntPtr server, string name, string value);
+	[DllImport(dll_)] public static extern int
+		mg_send_data(IntPtr conn, string data, int length);	
+
+  public Mongoose(string document_root,
+                  string listening_port,
+                  MongooseEventHandler event_handler) {
+    server_ = mg_create_server(IntPtr.Zero, event_handler);
+		mg_set_option(server_, "document_root", document_root);
+		mg_set_option(server_, "listening_port", listening_port);
+  }
+	
+  public static int send_data(IntPtr conn, string data) {
+    return mg_send_data(conn, data, data.Length);
+  }
+	
+	public void poll(int milli) {
+    mg_poll_server(server_, milli);
+  }
+	
+	// TODO: add destructor and call mg_destroy_server()
+}

examples/digest_authentication/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = digest_auth
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/file.c

@@ -1,47 +0,0 @@
-#include <stdio.h>
-#include <string.h>
-#include "mongoose.h"
-
-
-static int index_html(struct mg_connection *conn) {
-  FILE *fp = (FILE *) conn->connection_param;
-  char buf[200];
-  size_t n = 0;
-
-  if (fp == NULL) {
-    fp = fopen("../mongoose.c", "r");
-    conn->connection_param = (void *) fp;
-  }
-
-  if (fp != NULL) {
-    n = fread(buf, 1, sizeof(buf), fp);
-    mg_send_data(conn, buf, n);
-
-    if (n < sizeof(buf) || conn->wsbits != 0) {
-      fclose(fp);
-      conn->connection_param = NULL;
-    }
-  }
-
-  return n < sizeof(buf) ? MG_REQUEST_PROCESSED : MG_REQUEST_CALL_AGAIN;
-}
-
-int main(void) {
-  struct mg_server *server;
-
-  // Create and configure the server
-  server = mg_create_server(NULL);
-  mg_set_option(server, "listening_port", "8080");
-  mg_set_request_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/file_upload/Makefile

@@ -0,0 +1,20 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = file_upload
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+all: $(PROG)
+
+run: $(PROG)
+	./$(PROG)
+
+$(PROG): $(SOURCES) Makefile
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+win:
+	wine cl $(SOURCES) /MD /nologo /DNDEBUG /O1 /I../.. /Fe$(PROG).exe
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib *.gc*

examples/file_upload/file_upload.c

@@ -5,9 +5,9 @@
 #include <string.h>
 #include "mongoose.h"
 
-static void send_index_page(struct mg_connection *conn) {
+static int send_index_page(struct mg_connection *conn) {
   const char *data;
-  int data_len;
+  int data_len, ofs = 0;
   char var_name[100], file_name[100];
 
   mg_printf_data(conn, "%s",
@@ -18,27 +18,24 @@ static void send_index_page(struct mg_connection *conn) {
                  "<input type=\"submit\" value=\"Upload\" />"
                  "</form>");
 
-  if (mg_parse_multipart(conn->content, conn->content_len,
+  while ((ofs = mg_parse_multipart(conn->content + ofs, conn->content_len - ofs,
-                         var_name, sizeof(var_name),
+                                   var_name, sizeof(var_name),
-                         file_name, sizeof(file_name),
+                                   file_name, sizeof(file_name),
-                         &data, &data_len) > 0) {
+                                   &data, &data_len)) > 0) {
-
+    mg_printf_data(conn, "var: %s, file_name: %s, size: %d bytes<br>",
-    mg_printf_data(conn, "%s", "Uploaded file:<pre>");
+                   var_name, file_name, data_len);
-    mg_send_data(conn, data, data_len);
-    mg_printf_data(conn, "%s", "/pre>");
   }
 
   mg_printf_data(conn, "%s", "</body></html>");
+
+  return MG_TRUE;
 }
 
 static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
-  if (ev == MG_REQUEST) {
+  switch (ev) {
-    send_index_page(conn);
+    case MG_AUTH:     return MG_TRUE;
-    return MG_TRUE;
+    case MG_REQUEST:  return send_index_page(conn);
-  } else if (ev == MG_AUTH) {
+    default:          return MG_FALSE;
-    return MG_TRUE;
-  } else {
-    return MG_FALSE;
   }
 }
 

examples/form_submit/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = form_submit
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/hello_world/Makefile

@@ -0,0 +1,21 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = hello_world
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+all: $(PROG)
+
+run: $(PROG)
+	./$(PROG)
+
+$(PROG): $(SOURCES) Makefile
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+win:
+	wine cl $(SOURCES) /MD /nologo /DNDEBUG /O1 /I../.. /Fe$(PROG).exe
+	wine $(PROG).exe
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib *.gc*

examples/hello_world/hello_world.c

@@ -1,18 +1,21 @@
+// Copyright (c) 2014 Cesanta Software
+// All rights reserved
+//
+// This example demostrates basic use of Mongoose embedded web server.
+// $Date: 2014-09-09 22:20:23 UTC $
+
 #include <stdio.h>
 #include <string.h>
 #include "mongoose.h"
 
 static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
-  int result = MG_FALSE;
+  switch (ev) {
-
+    case MG_AUTH: return MG_TRUE;
-  if (ev == MG_REQUEST) {
+    case MG_REQUEST:
-    mg_printf_data(conn, "Hello! Requested URI is [%s]", conn->uri);
+      mg_printf_data(conn, "Hello! Requested URI is [%s]", conn->uri);
-    result = MG_TRUE;
+      return MG_TRUE;
-  } else if (ev == MG_AUTH) {
+    default: return MG_FALSE;
-    result = MG_TRUE;
   }
-
-  return result;
 }
 
 int main(void) {

examples/http_client/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = http_client
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+unix: $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/http_client/http_client.c

@@ -0,0 +1,82 @@
+// Copyright (c) 2014 Cesanta Software
+// All rights reserved
+//
+// This example demostrates how to connect to the remote Web server,
+// download data, process it and send back a reply.
+
+#include <signal.h>
+#include <stdlib.h>
+
+#include "mongoose.h"
+
+static int s_received_signal = 0;
+static struct mg_server *s_server = NULL;
+static const char *s_remote_addr = "glosbe.com:80";
+
+static void signal_handler(int sig_num) {
+  signal(sig_num, signal_handler);
+  s_received_signal = sig_num;
+}
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  struct mg_connection *client, *orig;
+
+  switch (ev) {
+    case MG_AUTH:
+      return MG_TRUE;
+
+    case MG_CONNECT:
+      // Send request to the remote host.
+      // TODO(lsm): handle connect error here.
+      mg_printf(conn, "GET %s HTTP/1.0\r\nHost: %s\r\n\r\n",
+                "/gapi/translate?from=eng&dest=fra&format=json&phrase=cat",
+                s_remote_addr);
+      return MG_TRUE;
+
+    case MG_REPLY:
+      // Send reply to the original connection
+      orig = (struct mg_connection *) conn->connection_param;
+      mg_send_status(orig, conn->status_code);
+      mg_send_header(orig, "Content-Type", "text/plain");
+      mg_send_data(orig, conn->content, conn->content_len);
+      mg_send_data(orig, "", 0);  // Last chunk: mark the end of reply
+
+      // Disconnect connections
+      orig->connection_param = NULL;
+      conn->connection_param = NULL;
+      return MG_TRUE;
+
+    case MG_REQUEST:
+      if ((client = mg_connect(s_server, s_remote_addr)) != NULL) {
+        // Interconnect requests
+        client->connection_param = conn;
+        conn->connection_param = client;
+        return MG_MORE;
+      } else {
+        mg_printf_data(conn, "%s", "cannot send API request");
+        return MG_TRUE;
+      }
+
+    default:
+      return MG_FALSE;
+  }
+}
+
+int main(void) {
+  s_server = mg_create_server(NULL, ev_handler);
+
+  mg_set_option(s_server, "listening_port", "8080");
+
+  // Setup signal handlers
+  signal(SIGTERM, signal_handler);
+  signal(SIGINT, signal_handler);
+
+  printf("Listening on port %s\n", mg_get_option(s_server, "listening_port"));
+  while (s_received_signal == 0) {
+    mg_poll_server(s_server, 1000);
+  }
+  mg_destroy_server(&s_server);
+  printf("Existing on signal %d\n", s_received_signal);
+
+  return EXIT_SUCCESS;
+}

examples/lua/dirscan.lp

@@ -1,15 +0,0 @@
-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

@@ -1,42 +0,0 @@
-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: [<?  mg.write(mg.request_info.content) ?>]
-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) ?>]
-Content Len: [<? mg.write(mg.request_info.content_len) ?>]
-HEADERS:
-<?
- for name, value in pairs(mg.request_info.http_headers) do
-   mg.write(name, ':', value, '\n')
- end
-?>
-
-</pre>
-</html>

examples/lua_dll.c

@@ -1,17 +0,0 @@
-#include <stdio.h>
-#include "lua_5.2.1.h"
-
-static int smile(lua_State *L) {
-  (void) L;  // Unused
-  printf("%s\n", ":-)");
-  return 0;
-}
-
-int LUA_API luaopen_lua_dll(lua_State *L) {
-  static const struct luaL_Reg api[] = {
-    {"smile", smile},
-    {NULL, NULL},
-  };
-  luaL_openlib(L, "lua_dll", api, 0);
-  return 1;
-}

examples/mjpg.c

@@ -1,94 +0,0 @@
-#include <sys/stat.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#include "mongoose.h"
-
-static void send_file(struct mg_connection *conn, const char *path) {
-  char buf[1024];
-  struct stat st;
-  int n;
-  FILE *fp;
-
-  if (stat(path, &st) == 0 && (fp = fopen(path, "rb")) != NULL) {
-    mg_printf(conn, "--myboundary\r\nContent-Type: image/jpeg\r\n"
-              "Content-Length: %zu\r\n\r\n", st.st_size);
-    while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
-      mg_write(conn, buf, n);
-    }
-    fclose(fp);
-    mg_write(conn, "\r\n", 2);
-  }
-}
-
-struct conn_state {
-  int file_index;
-  time_t last_poll;
-};
-
-static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
-  const char **file_names = (const char **) conn->server_param;
-  struct conn_state *state;
-  int result = MG_FALSE;
-
-  if (ev == MG_REQUEST) {
-    mg_printf(conn, "%s",
-              "HTTP/1.0 200 OK\r\n" "Cache-Control: no-cache\r\n"
-              "Pragma: no-cache\r\nExpires: Thu, 01 Dec 1994 16:00:00 GMT\r\n"
-              "Connection: close\r\nContent-Type: multipart/x-mixed-replace; "
-              "boundary=--myboundary\r\n\r\n");
-
-    send_file(conn, file_names[0]);
-
-    state = (struct conn_state *) malloc(sizeof(*state));
-    conn->connection_param = state;
-    state->file_index = 1;  // First file is already sent
-    state->last_poll = time(NULL);
-    result = MG_MORE;
-
-  } else if (ev == MG_POLL) {
-
-    time_t now = time(NULL);
-    state = (struct conn_state *) conn->connection_param;
-
-    if (state != NULL && now > state->last_poll) {
-      if (file_names[state->file_index] != NULL) {
-        send_file(conn, file_names[state->file_index]);
-        state->file_index++;
-        if (file_names[state->file_index] == NULL) {
-          result = MG_TRUE;  // No more images, close connection
-        }
-      }
-      state->last_poll = now;
-    }
-
-  } else if (ev == MG_CLOSE) {
-    free(conn->connection_param);
-    conn->connection_param = NULL;
-  } else if (ev == MG_AUTH) {
-    result = MG_TRUE;
-  }
-
-  return result;
-}
-
-int main(int argc, char *argv[]) {
-  struct mg_server *server;
-
-  if (argc < 3) {
-    printf("Usage: %s image1.jpg image2.jpg ...\n", argv[0]);
-    return 1;
-  }
-
-  server = mg_create_server(&argv[1], ev_handler);
-  mg_set_option(server, "listening_port", "8080");
-
-  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
-  for (;;) {
-    mg_poll_server(server, 1000);
-  }
-  mg_destroy_server(&server);
-
-  return 0;
-}

examples/mjpg_streamer/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = mjpg_streamer
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/mjpg_streamer/mjpg_streamer.c

@@ -0,0 +1,105 @@
+#include <sys/stat.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <time.h>
+#include "mongoose.h"
+
+static void send_file(struct mg_connection *conn, const char *path) {
+  char buf[1024];
+  struct stat st;
+  int n;
+  FILE *fp;
+
+  if (stat(path, &st) == 0 && (fp = fopen(path, "rb")) != NULL) {
+    mg_printf(conn, "--w00t\r\nContent-Type: image/jpeg\r\n"
+              "Content-Length: %lu\r\n\r\n", (unsigned long) st.st_size);
+    while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
+      mg_write(conn, buf, n);
+    }
+    fclose(fp);
+    mg_write(conn, "\r\n", 2);
+  }
+}
+
+struct conn_state {
+  int file_index;
+  time_t last_poll;
+};
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  const char **file_names = (const char **) conn->server_param;
+  struct conn_state *state;
+  time_t now = time(NULL);
+
+  switch (ev) {
+
+    case MG_AUTH:
+      return MG_TRUE;
+
+    case MG_REQUEST:
+      if (strcmp(conn->uri, "/stream") != 0) {
+        mg_send_header(conn, "Content-Type", "text/html");
+        mg_printf_data(conn, "%s",
+                       "Go to <a href=/stream>/stream</a> for MJPG stream");
+        return MG_TRUE;
+      }
+
+      mg_printf(conn, "%s",
+                "HTTP/1.0 200 OK\r\n" "Cache-Control: no-cache\r\n"
+                "Pragma: no-cache\r\nExpires: Thu, 01 Dec 1994 16:00:00 GMT\r\n"
+                "Connection: close\r\nContent-Type: multipart/x-mixed-replace; "
+                "boundary=--w00t\r\n\r\n");
+
+      send_file(conn, file_names[0]);
+
+      state = (struct conn_state *) malloc(sizeof(*state));
+      conn->connection_param = state;
+      state->file_index = 1;  // First file is already sent
+      state->last_poll = time(NULL);
+      return MG_MORE;
+
+    case MG_POLL:
+      state = (struct conn_state *) conn->connection_param;
+
+      if (state != NULL && now > state->last_poll) {
+        if (file_names[state->file_index] != NULL) {
+          send_file(conn, file_names[state->file_index]);
+          state->file_index++;
+          if (file_names[state->file_index] == NULL) {
+            return MG_TRUE;  // No more images, close connection
+          }
+        }
+        state->last_poll = now;
+      }
+      return MG_FALSE;
+
+    case MG_CLOSE:
+      free(conn->connection_param);
+      conn->connection_param = NULL;
+      return MG_FALSE;
+
+    default:
+      return MG_FALSE;
+  }
+}
+
+int main(int argc, char *argv[]) {
+  struct mg_server *server;
+
+  if (argc < 3) {
+    printf("Usage: %s image1.jpg image2.jpg ...\n", argv[0]);
+    return 1;
+  }
+
+  server = mg_create_server(&argv[1], ev_handler);
+  mg_set_option(server, "listening_port", "8080");
+
+  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
+  for (;;) {
+    mg_poll_server(server, 1000);
+  }
+  mg_destroy_server(&server);
+
+  return 0;
+}

examples/multi_threaded_server/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = multi_threaded_server
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/multi_threaded_server/multi_threaded_server.c

@@ -26,9 +26,9 @@ int main(void) {
   server1 = mg_create_server((void *) "1", ev_handler);
   server2 = mg_create_server((void *) "2", ev_handler);
 
-  // Make both server1 and server2 listen on the same socket
+  // Make both server1 and server2 listen on the same sockets
   mg_set_option(server1, "listening_port", "8080");
-  mg_set_listening_socket(server2, mg_get_listening_socket(server1));
+  mg_copy_listeners(server1, server2);
 
   // server1 goes to separate thread, server 2 runs in main thread.
   // IMPORTANT: NEVER LET DIFFERENT THREADS HANDLE THE SAME SERVER.

examples/proxy_server/Makefile

@@ -0,0 +1,13 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = proxy_server
+FLAGS = -I../..  -DNS_ENABLE_SSL
+CFLAGS = -W -Wall -g -O0 -pthread  -lssl $(FLAGS) $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+unix: $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/proxy_server/proxy_server.c

@@ -0,0 +1,212 @@
+// Copyright (c) 2014 Cesanta Software Limited
+// All rights reserved
+//
+// To build and run this example:
+//    git clone https://github.com/cesanta/net_skeleton.git
+//    git clone https://github.com/cesanta/mongoose.git
+//    cd mongoose/examples
+//    make proxy
+//    ./proxy
+//
+//  Configure your browser to use localhost:2014 as a proxy for all protocols
+//  Then, navigate to https://cesanta.com
+
+#include <sys/stat.h>
+#include <signal.h>
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#ifdef _WIN32
+#define sleep(x) Sleep((x) * 1000)
+#else
+#include <unistd.h>
+#endif
+
+#include "mongoose.h"
+
+static int s_received_signal = 0;
+static struct mg_server *s_server = NULL;
+
+#define SSE_CONNECTION              ((void *) 1)
+
+static void elog(int do_exit, const char *fmt, ...) {
+  va_list ap;
+  va_start(ap, fmt);
+  vfprintf(stderr, fmt, ap);
+  va_end(ap);
+  fputc('\n', stderr);
+  if (do_exit) exit(EXIT_FAILURE);
+}
+
+static void signal_handler(int sig_num) {
+  signal(sig_num, signal_handler);
+  s_received_signal = sig_num;
+}
+
+static int sse_push(struct mg_connection *conn, enum mg_event ev) {
+  if (ev == MG_POLL && conn->connection_param == SSE_CONNECTION) {
+    mg_printf(conn, "data: %s\r\n\r\n", (const char *) conn->callback_param);
+  }
+  return MG_TRUE;
+}
+
+static void *sse_pusher_thread_func(void *param) {
+  while (s_received_signal == 0) {
+    mg_wakeup_server_ex(s_server, sse_push, "%lu %s",
+                        (unsigned long) time(NULL), (const char *) param);
+    sleep(1);
+  }
+  return NULL;
+}
+
+// Return: 1 if regular file, 2 if directory, 0 if not found
+static int exists(const char *path) {
+  struct stat st;
+  return stat(path, &st) != 0 ? 0 : S_ISDIR(st.st_mode)  == 0 ? 1 : 2;
+}
+
+// Return: 1 if regular file, 2 if directory, 0 if not found
+static int is_local_file(const char *uri, char *path, size_t path_len) {
+  snprintf(path, path_len, "%s/%s",
+           mg_get_option(s_server, "document_root"), uri);
+  return exists(path);
+}
+
+static int try_to_serve_locally(struct mg_connection *conn) {
+  char path[500], buf[2000];
+  int n, res;
+  FILE *fp = NULL;
+
+  if ((res = is_local_file(conn->uri, path, sizeof(path))) == 2) {
+    strncat(path, "/index.html", sizeof(path) - strlen(path) - 1);
+    res = exists(path);
+    printf("PATH: [%s]\n", path);
+  }
+  if (res == 0) return MG_FALSE;
+
+  if ((fp = fopen(path, "rb")) != NULL) {
+    printf("Serving [%s] locally \n", path);
+    mg_send_header(conn, "Connection", "close");
+    mg_send_header(conn, "Content-Type", mg_get_mime_type(path, "text/plain"));
+    while ((n = fread(buf, 1, sizeof(buf), fp)) > 0) {
+      mg_send_data(conn, buf, n);
+    }
+    mg_send_data(conn, "", 0);
+    fclose(fp);
+  }
+  return fp == NULL ? MG_FALSE : MG_TRUE;
+}
+
+static int is_resource_present_locally(const char *uri) {
+  char path[500];
+  return is_local_file(uri, path, sizeof(path)) || strcmp(uri, "/api/sse") == 0;
+}
+
+static int proxy_event_handler(struct mg_connection *conn, enum mg_event ev) {
+  static const char target_url[] = "http://cesanta.com";
+  static int target_url_size = sizeof(target_url) - 1;
+  const char *host;
+
+  switch (ev) {
+    case MG_REQUEST:
+      host = mg_get_header(conn, "Host");
+      printf("[%s] [%s] [%s]\n", conn->request_method, conn->uri,
+             host == NULL ? "" : host);
+      if (strstr(conn->uri, "/qqq") != NULL) s_received_signal = SIGTERM;
+
+      // Proxied HTTPS requests use "CONNECT foo.com:443"
+      // Proxied HTTP requests use "GET http://..... "
+      // Serve requests for target_url from the local FS.
+      if (memcmp(conn->uri, target_url, target_url_size) == 0 &&
+          is_resource_present_locally(conn->uri + target_url_size)) {
+        conn->uri += target_url_size;   // Leave only path in the URI
+      }
+
+      if (strcmp(conn->uri, "/api/sse") == 0) {
+        conn->connection_param = SSE_CONNECTION;
+        mg_printf(conn, "%s", "HTTP/1.0 200 OK\r\n"
+                  "Content-Type: text/event-stream\r\n"
+                  "Cache-Control: no-cache\r\n\r\n");
+        return MG_MORE;
+      }
+
+      if (host != NULL && strstr(host, "cesanta") != NULL) {
+        return try_to_serve_locally(conn);
+      }
+
+      // Enable man-in-the-middle SSL mode for oracle.com
+      if (!strcmp(conn->request_method, "CONNECT") &&
+          !strcmp(host, "oracle.com")) {
+        mg_terminate_ssl(conn, "ssl_cert.pem");  // MUST return MG_MORE after
+        return MG_MORE;
+      }
+
+      return MG_FALSE;
+    case MG_AUTH:
+      return MG_TRUE;
+    default:
+      return MG_FALSE;
+  }
+}
+
+static void setopt(struct mg_server *s, const char *opt, const char *val) {
+  const char *err_msg = mg_set_option(s, opt, val);
+  if (err_msg != NULL) {
+    elog(1, "Error setting [%s]: [%s]", opt, err_msg);
+  }
+}
+
+int main(int argc, char *argv[]) {
+  const char *cert = NULL, *ca_cert = NULL, *port = "2014";
+  const char *mitm = NULL, *dump = NULL, *root = "proxy_web_root";
+  int i;
+
+  // Parse command line options
+  for (i = 1; i < argc; i++) {
+    if (strcmp(argv[i], "-ca_cert") == 0 && i + 1 < argc) {
+      ca_cert = argv[++i];
+    } else if (strcmp(argv[i], "-cert") == 0 && i + 1 < argc) {
+      cert = argv[++i];
+    } else if (strcmp(argv[i], "-port") == 0 && i + 1 < argc) {
+      port = argv[++i];
+    } else if (strcmp(argv[i], "-mitm") == 0 && i + 1 < argc) {
+      mitm = argv[++i];
+    } else if (strcmp(argv[i], "-root") == 0 && i + 1 < argc) {
+      root = argv[++i];
+    } else if (strcmp(argv[i], "-dump") == 0 && i + 1 < argc) {
+      dump = argv[++i];
+    } else {
+      elog(1, "Usage: %s [-cert FILE] [-ca_cert FILE] [-port PORT]", argv[0]);
+    }
+  }
+
+  signal(SIGTERM, signal_handler);
+  signal(SIGINT, signal_handler);
+
+  // Create and configure proxy server
+  s_server = mg_create_server(NULL, &proxy_event_handler);
+  setopt(s_server, "enable_proxy",        "yes");
+  setopt(s_server, "document_root",       root);
+  setopt(s_server, "listening_port",      port);
+  setopt(s_server, "ssl_certificate",     cert);
+  setopt(s_server, "ssl_ca_certificate",  ca_cert);
+  setopt(s_server, "hexdump_file",        dump);
+  setopt(s_server, "ssl_mitm_certs",      mitm);
+
+  // Start two SSE pushing threads
+  mg_start_thread(sse_pusher_thread_func, (void *) "sse_pusher_thread_1");
+  mg_start_thread(sse_pusher_thread_func, (void *) "sse_pusher_thread_2");
+
+  // Start serving in the main thread
+  printf("Starting on port %s\n", mg_get_option(s_server, "listening_port"));
+  while (s_received_signal == 0) {
+    mg_poll_server(s_server, 1000);
+  }
+  printf("Existing on signal %d\n", s_received_signal);
+  mg_destroy_server(&s_server);
+
+  return EXIT_SUCCESS;
+}

examples/proxy_server/proxy_web_root/app1/index.html

@@ -0,0 +1,23 @@
+<html>
+<head>
+  <title>App1 Index</title>
+  <style>
+    img { height: 40px; }
+  </style>
+</head>
+<body>
+
+  <h1>App1 index page. Served locally from the the proxy server filesystem</h1>
+
+  <p>image that references non-existent local resource. Forwarded to
+    the 'real' proxy target:</p>
+    <img src="http://cesanta.com/images/logo.png" />
+
+  <p>Google logo via HTTPS (external resource, served by remote host):</p>
+  <img src="https://www.google.ie/images/srpr/logo11w.png" />
+
+  <p>Same image via HTTP:</p>
+  <img src="http://www.google.ie/images/srpr/logo11w.png" />
+
+</body>
+</html>

examples/proxy_server/proxy_web_root/app2/index.html

@@ -0,0 +1,37 @@
+<html>
+<head>
+  <title>App2 Index</title>
+  <meta charset="utf-8">
+  <script>
+  window.onload = function() {
+    // Using secure websocket connection, wss://
+    var ws = new WebSocket('wss://echo.websocket.org');
+    var div = document.getElementById('events');
+    ws.onmessage = function(ev) {
+      var el = document.createElement('div');
+      el.innerHTML = 'websocket message: ' + ev.data;
+      div.appendChild(el);
+      // Keep only last 5 messages in the list
+      while (div.childNodes.length > 5) div.removeChild(div.firstChild);
+    };
+
+    // Send random stuff to the websocket connection periodically.
+    // websocket server much echo that stuff back.
+    window.setInterval(function() {
+      var d = new Date();
+      ws.send(d.toString());
+    }, 1000);
+  };
+  </script>
+</head>
+<body>
+  <h1>App2 index page. Served locally from the
+    the proxy's filesystem.</h1>
+  <p>
+    Following div shows proxy forwarding of websocket connection, served by
+    ws://echo.websocket.org:
+  </p>
+
+  <div id="events"></div>
+</body>
+</html>

examples/proxy_server/proxy_web_root/index.html

@@ -0,0 +1,29 @@
+<html>
+<head>
+  <title> proxy index </title>
+  <script type="text/javascript">
+  window.onload = function() {
+    var es = new EventSource("/api/sse");
+    var div = document.getElementById('events');
+    es.onmessage = function(ev) {
+      var el = document.createElement('div');
+      el.innerHTML = 'sse message: ' + ev.data;
+      div.appendChild(el);
+      // Keep only last 5 messages in the list
+      while (div.childNodes.length > 5) div.removeChild(div.firstChild);
+    };
+  };
+  </script>
+</head>
+<body>
+  <h1> proxy index page.</h1>
+  <ul>
+    <li><a href="app1">App1</a> - App1 root</li>
+    <li><a href="app2">App2</a> - App2 root</li>
+  </ul>
+
+  <h2>SSE pushes, done by separate threads at random times:</h2>
+  <div id="events"></div>
+
+</body>
+</html>

examples/restful_api/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = restful_api
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/restful_api/index.html

@@ -0,0 +1,66 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8" />
+  <title>RESTful API demo</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <style type="text/css">
+    * { outline: none; font: 16px/1.4 Helvetica, Arial, sans-serif; }
+    body {
+      background-color: #cde; margin: 0;
+      padding: 0; font: 16px/1.4 Helvetica, Arial, sans-serif;
+    }
+    div.content {
+      width: 800px; margin: 2em auto; padding: 20px 50px;
+      background-color: #fff; border-radius: 1em;
+    }
+    label { display: inline-block; min-width: 7em; }
+    input { border: 1px solid #ccc; padding: 0.2em; }
+    a:link, a:visited { color: #69c; text-decoration: none; }
+    @media (max-width: 700px) {
+      body { background-color: #fff; }
+      div.content { width: auto; margin: 0 auto; padding: 1em; }
+    }
+</style>
+
+<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script>
+<script language="javascript" type="text/javascript">
+  jQuery(function() {
+
+    $(document).on('keyup', '#n1, #n2', function() {
+      $.ajax({
+        url: '/api/sum',
+        method: 'POST',
+        dataType: 'json',
+        data: { n1: $('#n1').val(), n2: $('#n2').val() },
+        success: function(json) {
+          $('#result').html(json.result);
+        }
+      });
+    });
+
+  });
+</script>
+</head>
+<body>
+  <div class="content">
+    <h1>RESTful API demo.</h1>
+
+    <p>
+      This page demonstrates how Mongoose web server could be used to implement
+      RESTful APIs. Enter numbers below, and press Submit. Browser will send
+      two numbers to <tt>/api/sum</tt> URI, Mongoose calclulates the sum of
+      two and returns the result.
+    </p>
+
+    <div>
+      <label>Number 1:</label> <input type="text" id="n1" />
+    </div><div>
+      <label>Number 2:</label> <input type="text" id="n2" />
+    </div><div>
+     <label>Result:</label> <span id="result">&nbsp;</span>
+    </div><div>
+
+  </div>
+</body>
+</html>

examples/restful_api/restful_api.c

@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include "mongoose.h"
+
+static const char *s_no_cache_header =
+  "Cache-Control: max-age=0, post-check=0, "
+  "pre-check=0, no-store, no-cache, must-revalidate\r\n";
+
+static void handle_restful_call(struct mg_connection *conn) {
+  char n1[100], n2[100];
+
+  // Get form variables
+  mg_get_var(conn, "n1", n1, sizeof(n1));
+  mg_get_var(conn, "n2", n2, sizeof(n2));
+
+  mg_printf_data(conn, "{ \"result\": %lf }", strtod(n1, NULL) + strtod(n2, NULL));
+}
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_AUTH: return MG_TRUE;
+    case MG_REQUEST:
+      if (!strcmp(conn->uri, "/api/sum")) {
+        handle_restful_call(conn);
+        return MG_TRUE;
+      }
+      mg_send_file(conn, "index.html", s_no_cache_header);
+      return MG_MORE;
+    default: return MG_FALSE;
+  }
+}
+
+int main(void) {
+  struct mg_server *server;
+
+  // Create and configure the server
+  server = mg_create_server(NULL, ev_handler);
+  mg_set_option(server, "listening_port", "8000");
+
+  // 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/send_file/Makefile

@@ -0,0 +1,21 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = send_file
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+all: $(PROG)
+
+run: $(PROG)
+	./$(PROG)
+
+$(PROG): $(SOURCES) Makefile
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+win:
+	wine cl $(SOURCES) /MD /nologo /DNDEBUG /O1 /I../.. /Fe$(PROG).exe
+	wine $(PROG).exe
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib *.gc*

examples/send_file/send_file.c

@@ -0,0 +1,27 @@
+// Copyright (c) 2014 Cesanta Software
+// All rights reserved
+//
+// This example demostrates how to send arbitrary files to the client.
+
+#include "mongoose.h"
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_REQUEST:
+      mg_send_file(conn, "send_file.c", NULL);  // Also could be a dir, or CGI
+      return MG_MORE; // It is important to return MG_MORE after mg_send_file!
+    case MG_AUTH: return MG_TRUE;
+    default: return MG_FALSE;
+  }
+}
+
+int main(void) {
+  struct mg_server *server = mg_create_server(NULL, ev_handler);
+  mg_set_option(server, "listening_port", "8080");
+
+  printf("Starting on port %s\n", mg_get_option(server, "listening_port"));
+  for (;;) mg_poll_server(server, 1000);
+  mg_destroy_server(&server);
+
+  return 0;
+}

examples/web_server/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = web_server
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/web_server/web_server.c

@@ -1,484 +1,491 @@
-// Copyright (c) 2004-2013 Sergey Lyubka
+// Copyright (c) 2004-2013 Sergey Lyubka
-// Copyright (c) 2013-2014 Cesanta Software Limited
+// Copyright (c) 2013-2014 Cesanta Software Limited
-//
+
-// Permission is hereby granted, free of charge, to any person obtaining a copy
+#undef UNICODE                    // Use ANSI WinAPI functions
-// of this software and associated documentation files (the "Software"), to deal
+#undef _UNICODE                   // Use multibyte encoding on Windows
-// in the Software without restriction, including without limitation the rights
+#define _MBCS                     // Use multibyte encoding on Windows
-// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+#define _WIN32_WINNT 0x500        // Enable MIIM_BITMAP
-// copies of the Software, and to permit persons to whom the Software is
+#define _CRT_SECURE_NO_WARNINGS   // Disable deprecation warning in VS2005
-// furnished to do so, subject to the following conditions:
+#define _XOPEN_SOURCE 600         // For PATH_MAX on linux
-//
+#undef WIN32_LEAN_AND_MEAN        // Let windows.h always include winsock2.h
-// The above copyright notice and this permission notice shall be included in
+
-// all copies or substantial portions of the Software.
+#include <sys/stat.h>
-//
+#include <stdio.h>
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+#include <stdlib.h>
-// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+#include <signal.h>
-// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+#include <string.h>
-// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+#include <errno.h>
-// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+#include <limits.h>
-// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+#include <stddef.h>
-// THE SOFTWARE.
+#include <stdarg.h>
-
+#include <ctype.h>
-#undef UNICODE                    // Use ANSI WinAPI functions
+#include <time.h>
-#undef _UNICODE                   // Use multibyte encoding on Windows
+
-#define _MBCS                     // Use multibyte encoding on Windows
+#include "mongoose.h"
-#define _WIN32_WINNT 0x500        // Enable MIIM_BITMAP
+
-#define _CRT_SECURE_NO_WARNINGS   // Disable deprecation warning in VS2005
+#ifdef _WIN32
-#define _XOPEN_SOURCE 600         // For PATH_MAX on linux
+#include <windows.h>
-#undef WIN32_LEAN_AND_MEAN        // Let windows.h always include winsock2.h
+#include <direct.h>  // For chdir()
-
+#include <winsvc.h>
-#include <sys/stat.h>
+#include <shlobj.h>
-#include <stdio.h>
+
-#include <stdlib.h>
+#ifndef PATH_MAX
-#include <signal.h>
+#define PATH_MAX MAX_PATH
-#include <string.h>
+#endif
-#include <errno.h>
+
-#include <limits.h>
+#ifndef S_ISDIR
-#include <stddef.h>
+#define S_ISDIR(x) ((x) & _S_IFDIR)
-#include <stdarg.h>
+#endif
-#include <ctype.h>
+
-#include <time.h>
+#define DIRSEP '\\'
-
+#define snprintf _snprintf
-#include "mongoose.h"
+#define vsnprintf _vsnprintf
-
+#define sleep(x) Sleep((x) * 1000)
-#ifdef _WIN32
+#define abs_path(rel, abs, abs_size) _fullpath((abs), (rel), (abs_size))
-#include <windows.h>
+#define SIGCHLD 0
-#include <direct.h>  // For chdir()
+typedef struct _stat file_stat_t;
-#include <winsvc.h>
+#define stat(x, y) _stat((x), (y))
-#include <shlobj.h>
+#else
-
+typedef struct stat file_stat_t;
-#ifndef PATH_MAX
+#include <sys/wait.h>
-#define PATH_MAX MAX_PATH
+#include <unistd.h>
-#endif
+
-
+#ifdef IOS
-#ifndef S_ISDIR
+#include <ifaddrs.h>
-#define S_ISDIR(x) ((x) & _S_IFDIR)
+#endif
-#endif
+
-
+#define DIRSEP '/'
-#define DIRSEP '\\'
+#define __cdecl
-#define snprintf _snprintf
+#define abs_path(rel, abs, abs_size) realpath((rel), (abs))
-#define vsnprintf _vsnprintf
+#endif // _WIN32
-#define sleep(x) Sleep((x) * 1000)
+
-#define abs_path(rel, abs, abs_size) _fullpath((abs), (rel), (abs_size))
+#define MAX_OPTIONS 100
-#define SIGCHLD 0
+#define MAX_CONF_FILE_LINE_SIZE (8 * 1024)
-typedef struct _stat file_stat_t;
+
-#define stat(x, y) _stat((x), (y))
+#ifndef MVER
-#else
+#define MVER MONGOOSE_VERSION
-typedef struct stat file_stat_t;
+#endif
-#include <sys/wait.h>
+
-#include <unistd.h>
+static int exit_flag;
-#define DIRSEP '/'
+static char server_name[50];        // Set by init_server_name()
-#define __cdecl
+static char s_config_file[PATH_MAX];  // Set by process_command_line_arguments
-#define abs_path(rel, abs, abs_size) realpath((rel), (abs))
+static struct mg_server *server;    // Set by start_mongoose()
-#endif // _WIN32
+static const char *s_default_document_root = ".";
-
+static const char *s_default_listening_port = "8080";
-#define MAX_OPTIONS 100
+static char **s_argv = { NULL };
-#define MAX_CONF_FILE_LINE_SIZE (8 * 1024)
+
-
+static void set_options(char *argv[]);
-static int exit_flag;
+
-static char server_name[50];        // Set by init_server_name()
+#if !defined(CONFIG_FILE)
-static char config_file[PATH_MAX];  // Set by process_command_line_arguments()
+#define CONFIG_FILE "mongoose.conf"
-static struct mg_server *server;    // Set by start_mongoose()
+#endif /* !CONFIG_FILE */
-static const char *s_default_document_root = ".";
+
-static const char *s_default_listening_port = "8080";
+static void __cdecl signal_handler(int sig_num) {
-
+  // Reinstantiate signal handler
-#if !defined(CONFIG_FILE)
+  signal(sig_num, signal_handler);
-#define CONFIG_FILE "mongoose.conf"
+
-#endif /* !CONFIG_FILE */
+#ifndef _WIN32
-
+  // Do not do the trick with ignoring SIGCHLD, cause not all OSes (e.g. QNX)
-static void __cdecl signal_handler(int sig_num) {
+  // reap zombies if SIGCHLD is ignored. On QNX, for example, waitpid()
-  // Reinstantiate signal handler
+  // fails if SIGCHLD is ignored, making system() non-functional.
-  signal(sig_num, signal_handler);
+  if (sig_num == SIGCHLD) {
-
+    do {} while (waitpid(-1, &sig_num, WNOHANG) > 0);
-#ifndef _WIN32
+  } else
-  // Do not do the trick with ignoring SIGCHLD, cause not all OSes (e.g. QNX)
+#endif
-  // reap zombies if SIGCHLD is ignored. On QNX, for example, waitpid()
+  { exit_flag = sig_num; }
-  // fails if SIGCHLD is ignored, making system() non-functional.
+}
-  if (sig_num == SIGCHLD) {
+
-    do {} while (waitpid(-1, &sig_num, WNOHANG) > 0);
+static void vnotify(const char *fmt, va_list ap, int must_exit) {
-  } else
+  char msg[200];
-#endif
+
-  { exit_flag = sig_num; }
+  vsnprintf(msg, sizeof(msg), fmt, ap);
-}
+  fprintf(stderr, "%s\n", msg);
-
+
-static void vnotify(const char *fmt, va_list ap, int must_exit) {
+  if (must_exit) {
-  char msg[200];
+    exit(EXIT_FAILURE);
-
+  }
-  vsnprintf(msg, sizeof(msg), fmt, ap);
+}
-  fprintf(stderr, "%s\n", msg);
+
-
+static void notify(const char *fmt, ...) {
-  if (must_exit) {
+  va_list ap;
-    exit(EXIT_FAILURE);
+  va_start(ap, fmt);
-  }
+  vnotify(fmt, ap, 0);
-}
+  va_end(ap);
-
+}
-static void notify(const char *fmt, ...) {
+
-  va_list ap;
+static void die(const char *fmt, ...) {
-  va_start(ap, fmt);
+  va_list ap;
-  vnotify(fmt, ap, 0);
+  va_start(ap, fmt);
-  va_end(ap);
+  vnotify(fmt, ap, 1);
-}
+  va_end(ap);
-
+}
-static void die(const char *fmt, ...) {
+
-  va_list ap;
+static void show_usage_and_exit(void) {
-  va_start(ap, fmt);
+  const char **names;
-  vnotify(fmt, ap, 1);
+  int i;
-  va_end(ap);
+
-}
+  fprintf(stderr, "Mongoose version %s (c) Sergey Lyubka, built on %s\n",
-
+          MVER, __DATE__);
-static void show_usage_and_exit(void) {
+  fprintf(stderr, "Usage:\n");
-  const char **names;
+#if !defined(MONGOOSE_NO_AUTH) && !defined(MONGOOSE_NO_FILESYSTEM)
-  int i;
+  fprintf(stderr, "  mongoose -A <htpasswd_file> <realm> <user> <passwd>\n");
-
+#endif
-  fprintf(stderr, "Mongoose version %s (c) Sergey Lyubka, built on %s\n",
+  fprintf(stderr, "  mongoose [config_file]\n");
-          MONGOOSE_VERSION, __DATE__);
+  fprintf(stderr, "  mongoose [-option value ...]\n");
-  fprintf(stderr, "Usage:\n");
+  fprintf(stderr, "\nOPTIONS:\n");
-#ifndef MONGOOSE_NO_AUTH
+
-  fprintf(stderr, "  mongoose -A <htpasswd_file> <realm> <user> <passwd>\n");
+  names = mg_get_valid_option_names();
-#endif
+  for (i = 0; names[i] != NULL; i += 2) {
-  fprintf(stderr, "  mongoose [config_file]\n");
+    fprintf(stderr, "  -%s %s\n",
-  fprintf(stderr, "  mongoose [-option value ...]\n");
+            names[i], names[i + 1] == NULL ? "<empty>" : names[i + 1]);
-  fprintf(stderr, "\nOPTIONS:\n");
+  }
-
+  exit(EXIT_FAILURE);
-  names = mg_get_valid_option_names();
+}
-  for (i = 0; names[i] != NULL; i += 2) {
+
-    fprintf(stderr, "  -%s %s\n",
+#define EV_HANDLER NULL
-            names[i], names[i + 1] == NULL ? "<empty>" : names[i + 1]);
+
-  }
+static char *sdup(const char *str) {
-  exit(EXIT_FAILURE);
+  char *p;
-}
+  if ((p = (char *) malloc(strlen(str) + 1)) != NULL) {
-
+    strcpy(p, str);
-#define EV_HANDLER NULL
+  }
-
+  return p;
-static char *sdup(const char *str) {
+}
-  char *p;
+
-  if ((p = (char *) malloc(strlen(str) + 1)) != NULL) {
+static void set_option(char **options, const char *name, const char *value) {
-    strcpy(p, str);
+  int i;
-  }
+
-  return p;
+  for (i = 0; i < MAX_OPTIONS - 3; i++) {
-}
+    if (options[i] == NULL) {
-
+      options[i] = sdup(name);
-static void set_option(char **options, const char *name, const char *value) {
+      options[i + 1] = sdup(value);
-  int i;
+      options[i + 2] = NULL;
-
+      break;
-  for (i = 0; i < MAX_OPTIONS - 3; i++) {
+    } else if (!strcmp(options[i], name)) {
-    if (options[i] == NULL) {
+      free(options[i + 1]);
-      options[i] = sdup(name);
+      options[i + 1] = sdup(value);
-      options[i + 1] = sdup(value);
+      break;
-      options[i + 2] = NULL;
+    }
-      break;
+  }
-    } else if (!strcmp(options[i], name)) {
+
-      free(options[i + 1]);
+  if (i == MAX_OPTIONS - 3) {
-      options[i + 1] = sdup(value);
+    die("%s", "Too many options specified");
-      break;
+  }
-    }
+}
-  }
+
-
+static void process_command_line_arguments(char *argv[], char **options) {
-  if (i == MAX_OPTIONS - 3) {
+  char line[MAX_CONF_FILE_LINE_SIZE], opt[sizeof(line)], val[sizeof(line)],
-    die("%s", "Too many options specified");
+       *p, cpath[PATH_MAX];
-  }
+  FILE *fp = NULL;
-}
+  size_t i, cmd_line_opts_start = 1, line_no = 0;
-
+
-static void process_command_line_arguments(char *argv[], char **options) {
+  // Should we use a config file ?
-  char line[MAX_CONF_FILE_LINE_SIZE], opt[sizeof(line)], val[sizeof(line)], *p;
+  if (argv[1] != NULL && argv[1][0] != '-') {
-  FILE *fp = NULL;
+    snprintf(cpath, sizeof(cpath), "%s", argv[1]);
-  size_t i, cmd_line_opts_start = 1, line_no = 0;
+    cmd_line_opts_start = 2;
-
+  } else if ((p = strrchr(argv[0], DIRSEP)) == NULL) {
-  // Should we use a config file ?
+    // No command line flags specified. Look where binary lives
-  if (argv[1] != NULL && argv[1][0] != '-') {
+    snprintf(cpath, sizeof(cpath), "%s", CONFIG_FILE);
-    snprintf(config_file, sizeof(config_file), "%s", argv[1]);
+  } else {
-    cmd_line_opts_start = 2;
+    snprintf(cpath, sizeof(cpath), "%.*s%c%s",
-  } else if ((p = strrchr(argv[0], DIRSEP)) == NULL) {
+             (int) (p - argv[0]), argv[0], DIRSEP, CONFIG_FILE);
-    // No command line flags specified. Look where binary lives
+  }
-    snprintf(config_file, sizeof(config_file), "%s", CONFIG_FILE);
+  abs_path(cpath, s_config_file, sizeof(s_config_file));
-  } else {
+
-    snprintf(config_file, sizeof(config_file), "%.*s%c%s",
+  fp = fopen(s_config_file, "r");
-             (int) (p - argv[0]), argv[0], DIRSEP, CONFIG_FILE);
+
-  }
+  // If config file was set in command line and open failed, die
-
+  if (cmd_line_opts_start == 2 && fp == NULL) {
-  fp = fopen(config_file, "r");
+    die("Cannot open config file %s: %s", s_config_file, strerror(errno));
-
+  }
-  // If config file was set in command line and open failed, die
+
-  if (cmd_line_opts_start == 2 && fp == NULL) {
+  // Load config file settings first
-    die("Cannot open config file %s: %s", config_file, strerror(errno));
+  if (fp != NULL) {
-  }
+    fprintf(stderr, "Loading config file %s\n", s_config_file);
-
+
-  // Load config file settings first
+    // Loop over the lines in config file
-  if (fp != NULL) {
+    while (fgets(line, sizeof(line), fp) != NULL) {
-    fprintf(stderr, "Loading config file %s\n", config_file);
+      line_no++;
-
+
-    // Loop over the lines in config file
+      // Ignore empty lines and comments
-    while (fgets(line, sizeof(line), fp) != NULL) {
+      for (i = 0; isspace(* (unsigned char *) &line[i]); ) i++;
-      line_no++;
+      if (line[i] == '#' || line[i] == '\0') {
-
+        continue;
-      // Ignore empty lines and comments
+      }
-      for (i = 0; isspace(* (unsigned char *) &line[i]); ) i++;
+
-      if (line[i] == '#' || line[i] == '\0') {
+      if (sscanf(line, "%s %[^\r\n#]", opt, val) != 2) {
-        continue;
+        printf("%s: line %d is invalid, ignoring it:\n %s",
-      }
+               s_config_file, (int) line_no, line);
-
+      } else {
-      if (sscanf(line, "%s %[^\r\n#]", opt, val) != 2) {
+        set_option(options, opt, val);
-        printf("%s: line %d is invalid, ignoring it:\n %s",
+      }
-               config_file, (int) line_no, line);
+    }
-      } else {
+
-        set_option(options, opt, val);
+    fclose(fp);
-      }
+  }
-    }
+
-
+  // If we're under MacOS and started by launchd, then the second
-    fclose(fp);
+  // argument is process serial number, -psn_.....
-  }
+  // In this case, don't process arguments at all.
-
+  if (argv[1] == NULL || memcmp(argv[1], "-psn_", 5) != 0) {
-  // If we're under MacOS and started by launchd, then the second
+    // Handle command line flags.
-  // argument is process serial number, -psn_.....
+    // They override config file and default settings.
-  // In this case, don't process arguments at all.
+    for (i = cmd_line_opts_start; argv[i] != NULL; i += 2) {
-  if (argv[1] == NULL || memcmp(argv[1], "-psn_", 5) != 0) {
+      if (argv[i][0] != '-' || argv[i + 1] == NULL) {
-    // Handle command line flags.
+        show_usage_and_exit();
-    // They override config file and default settings.
+      }
-    for (i = cmd_line_opts_start; argv[i] != NULL; i += 2) {
+      set_option(options, &argv[i][1], argv[i + 1]);
-      if (argv[i][0] != '-' || argv[i + 1] == NULL) {
+    }
-        show_usage_and_exit();
+  }
-      }
+}
-      set_option(options, &argv[i][1], argv[i + 1]);
+
-    }
+static void init_server_name(void) {
-  }
+  const char *descr = "";
-}
+  snprintf(server_name, sizeof(server_name), "Mongoose web server v.%s%s",
-
+           MVER, descr);
-static void init_server_name(void) {
+}
-  const char *descr = "";
+
-  snprintf(server_name, sizeof(server_name), "Mongoose web server v.%s%s",
+static int is_path_absolute(const char *path) {
-           MONGOOSE_VERSION, descr);
+#ifdef _WIN32
-}
+  return path != NULL &&
-
+    ((path[0] == '\\' && path[1] == '\\') ||  // UNC path, e.g. \\server\dir
-static int is_path_absolute(const char *path) {
+     (isalpha(path[0]) && path[1] == ':' && path[2] == '\\'));  // E.g. X:\dir
-#ifdef _WIN32
+#else
-  return path != NULL &&
+  return path != NULL && path[0] == '/';
-    ((path[0] == '\\' && path[1] == '\\') ||  // UNC path, e.g. \\server\dir
+#endif
-     (isalpha(path[0]) && path[1] == ':' && path[2] == '\\'));  // E.g. X:\dir
+}
-#else
+
-  return path != NULL && path[0] == '/';
+static char *get_option(char **options, const char *option_name) {
-#endif
+  int i;
-}
+
-
+  for (i = 0; options[i] != NULL; i++)
-static char *get_option(char **options, const char *option_name) {
+    if (!strcmp(options[i], option_name))
-  int i;
+      return options[i + 1];
-
+
-  for (i = 0; options[i] != NULL; i++)
+  return NULL;
-    if (!strcmp(options[i], option_name))
+}
-      return options[i + 1];
+
-
+static void *serving_thread_func(void *param) {
-  return NULL;
+  struct mg_server *srv = (struct mg_server *) param;
-}
+  while (exit_flag == 0) {
-
+    mg_poll_server(srv, 1000);
-static int path_exists(const char *path, int is_dir) {
+  }
-  file_stat_t st;
+  return NULL;
-  return path == NULL || (stat(path, &st) == 0 &&
+}
-                          ((S_ISDIR(st.st_mode) ? 1 : 0) == is_dir));
+
-}
+static int path_exists(const char *path, int is_dir) {
-
+  file_stat_t st;
-static void verify_existence(char **options, const char *name, int is_dir) {
+  return path == NULL || (stat(path, &st) == 0 &&
-  const char *path = get_option(options, name);
+                          ((S_ISDIR(st.st_mode) ? 1 : 0) == is_dir));
-  if (!path_exists(path, is_dir)) {
+}
-    notify("Invalid path for %s: [%s]: (%s). Make sure that path is either "
+
-           "absolute, or it is relative to mongoose executable.",
+static void verify_existence(char **options, const char *name, int is_dir) {
-           name, path, strerror(errno));
+  const char *path = get_option(options, name);
-  }
+  if (!path_exists(path, is_dir)) {
-}
+    notify("Invalid path for %s: [%s]: (%s). Make sure that path is either "
-
+           "absolute, or it is relative to mongoose executable.",
-static void set_absolute_path(char *options[], const char *option_name,
+           name, path, strerror(errno));
-                              const char *path_to_mongoose_exe) {
+  }
-  char path[PATH_MAX], abs[PATH_MAX], *option_value;
+}
-  const char *p;
+
-
+static void set_absolute_path(char *options[], const char *option_name) {
-  // Check whether option is already set
+  char path[PATH_MAX], abs[PATH_MAX], *option_value;
-  option_value = get_option(options, option_name);
+  const char *p;
-
+
-  // If option is already set and it is an absolute path,
+  // Check whether option is already set
-  // leave it as it is -- it's already absolute.
+  option_value = get_option(options, option_name);
-  if (option_value != NULL && !is_path_absolute(option_value)) {
+
-    // Not absolute. Use the directory where mongoose executable lives
+  // If option is already set and it is an absolute path,
-    // be the relative directory for everything.
+  // leave it as it is -- it's already absolute.
-    // Extract mongoose executable directory into path.
+  if (option_value != NULL && !is_path_absolute(option_value)) {
-    if ((p = strrchr(path_to_mongoose_exe, DIRSEP)) == NULL) {
+    // Not absolute. Use the directory where mongoose executable lives
-      getcwd(path, sizeof(path));
+    // be the relative directory for everything.
-    } else {
+    // Extract mongoose executable directory into path.
-      snprintf(path, sizeof(path), "%.*s", (int) (p - path_to_mongoose_exe),
+    if ((p = strrchr(s_config_file, DIRSEP)) == NULL) {
-               path_to_mongoose_exe);
+      getcwd(path, sizeof(path));
-    }
+    } else {
-
+      snprintf(path, sizeof(path), "%.*s", (int) (p - s_config_file),
-    strncat(path, "/", sizeof(path) - 1);
+               s_config_file);
-    strncat(path, option_value, sizeof(path) - 1);
+    }
-
+
-    // Absolutize the path, and set the option
+    strncat(path, "/", sizeof(path) - 1);
-    abs_path(path, abs, sizeof(abs));
+    strncat(path, option_value, sizeof(path) - 1);
-    set_option(options, option_name, abs);
+
-  }
+    // Absolutize the path, and set the option
-}
+    abs_path(path, abs, sizeof(abs));
-
+    set_option(options, option_name, abs);
-#ifndef MONGOOSE_NO_AUTH
+  }
-int modify_passwords_file(const char *fname, const char *domain,
+}
-                          const char *user, const char *pass) {
+
-  int found;
+#if !defined(MONGOOSE_NO_AUTH) && !defined(MONGOOSE_NO_FILESYSTEM)
-  char line[512], u[512], d[512], ha1[33], tmp[PATH_MAX];
+int modify_passwords_file(const char *fname, const char *domain,
-  FILE *fp, *fp2;
+                          const char *user, const char *pass) {
-
+  int found;
-  found = 0;
+  char line[512], u[512], d[512], ha1[33], tmp[PATH_MAX];
-  fp = fp2 = NULL;
+  FILE *fp, *fp2;
-
+
-  // Regard empty password as no password - remove user record.
+  found = 0;
-  if (pass != NULL && pass[0] == '\0') {
+  fp = fp2 = NULL;
-    pass = NULL;
+
-  }
+  // Regard empty password as no password - remove user record.
-
+  if (pass != NULL && pass[0] == '\0') {
-  (void) snprintf(tmp, sizeof(tmp), "%s.tmp", fname);
+    pass = NULL;
-
+  }
-  // Create the file if does not exist
+
-  if ((fp = fopen(fname, "a+")) != NULL) {
+  (void) snprintf(tmp, sizeof(tmp), "%s.tmp", fname);
-    fclose(fp);
+
-  }
+  // Create the file if does not exist
-
+  if ((fp = fopen(fname, "a+")) != NULL) {
-  // Open the given file and temporary file
+    fclose(fp);
-  if ((fp = fopen(fname, "r")) == NULL) {
+  }
-    return 0;
+
-  } else if ((fp2 = fopen(tmp, "w+")) == NULL) {
+  // Open the given file and temporary file
-    fclose(fp);
+  if ((fp = fopen(fname, "r")) == NULL) {
-    return 0;
+    return 0;
-  }
+  } else if ((fp2 = fopen(tmp, "w+")) == NULL) {
-
+    fclose(fp);
-  // Copy the stuff to temporary file
+    return 0;
-  while (fgets(line, sizeof(line), fp) != NULL) {
+  }
-    if (sscanf(line, "%[^:]:%[^:]:%*s", u, d) != 2) {
+
-      continue;
+  // Copy the stuff to temporary file
-    }
+  while (fgets(line, sizeof(line), fp) != NULL) {
-
+    if (sscanf(line, "%[^:]:%[^:]:%*s", u, d) != 2) {
-    if (!strcmp(u, user) && !strcmp(d, domain)) {
+      continue;
-      found++;
+    }
-      if (pass != NULL) {
+
-        mg_md5(ha1, user, ":", domain, ":", pass, NULL);
+    if (!strcmp(u, user) && !strcmp(d, domain)) {
-        fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
+      found++;
-      }
+      if (pass != NULL) {
-    } else {
+        mg_md5(ha1, user, ":", domain, ":", pass, NULL);
-      fprintf(fp2, "%s", line);
+        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);
+  // If new user, just add it
-  }
+  if (!found && pass != NULL) {
-
+    mg_md5(ha1, user, ":", domain, ":", pass, NULL);
-  // Close files
+    fprintf(fp2, "%s:%s:%s\n", user, domain, ha1);
-  fclose(fp);
+  }
-  fclose(fp2);
+
-
+  // Close files
-  // Put the temp file in place of real file
+  fclose(fp);
-  remove(fname);
+  fclose(fp2);
-  rename(tmp, fname);
+
-
+  // Put the temp file in place of real file
-  return 1;
+  remove(fname);
-}
+  rename(tmp, fname);
-#endif
+
-
+  return 1;
-static void start_mongoose(int argc, char *argv[]) {
+}
-  char *options[MAX_OPTIONS];
+#endif
-  int i;
+
-
+static void start_mongoose(int argc, char *argv[]) {
-  if ((server = mg_create_server(NULL, EV_HANDLER)) == NULL) {
+  s_argv = argv;
-    die("%s", "Failed to start Mongoose.");
+  if ((server = mg_create_server(NULL, EV_HANDLER)) == NULL) {
-  }
+    die("%s", "Failed to start Mongoose.");
-
+  }
-#ifndef MONGOOSE_NO_AUTH
+
-  // Edit passwords file if -A option is specified
+#if !defined(MONGOOSE_NO_AUTH) && !defined(MONGOOSE_NO_FILESYSTEM)
-  if (argc > 1 && !strcmp(argv[1], "-A")) {
+  // Edit passwords file if -A option is specified
-    if (argc != 6) {
+  if (argc > 1 && !strcmp(argv[1], "-A")) {
-      show_usage_and_exit();
+    if (argc != 6) {
-    }
+      show_usage_and_exit();
-    exit(modify_passwords_file(argv[2], argv[3], argv[4], argv[5]) ?
+    }
-         EXIT_SUCCESS : EXIT_FAILURE);
+    exit(modify_passwords_file(argv[2], argv[3], argv[4], argv[5]) ?
-  }
+         EXIT_SUCCESS : EXIT_FAILURE);
-#endif
+  }
-
+#endif
-  // Show usage if -h or --help options are specified
+
-  if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) {
+  // Show usage if -h or --help options are specified
-    show_usage_and_exit();
+  if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) {
-  }
+    show_usage_and_exit();
-
+  }
-  options[0] = NULL;
+  set_options(argv);
-  set_option(options, "document_root", s_default_document_root);
+}
-  set_option(options, "listening_port", s_default_listening_port);
+
-
+static void set_options(char *argv[]) {
-  // Update config based on command line arguments
+  char *options[MAX_OPTIONS];
-  process_command_line_arguments(argv, options);
+  int i;
-
+
-  // Make sure we have absolute paths for files and directories
+  options[0] = NULL;
-  // https://github.com/valenok/mongoose/issues/181
+  set_option(options, "document_root", s_default_document_root);
-  set_absolute_path(options, "document_root", argv[0]);
+  set_option(options, "listening_port", s_default_listening_port);
-  set_absolute_path(options, "dav_auth_file", argv[0]);
+
-  set_absolute_path(options, "cgi_interpreter", argv[0]);
+  // Update config based on command line arguments
-  set_absolute_path(options, "access_log_file", argv[0]);
+  process_command_line_arguments(argv, options);
-  set_absolute_path(options, "global_auth_file", argv[0]);
+
-  set_absolute_path(options, "ssl_certificate", argv[0]);
+  // Make sure we have absolute paths for files and directories
-
+  // https://github.com/valenok/mongoose/issues/181
-  if (!path_exists(get_option(options, "document_root"), 1)) {
+  set_absolute_path(options, "document_root");
-    set_option(options, "document_root", s_default_document_root);
+  set_absolute_path(options, "dav_auth_file");
-    set_absolute_path(options, "document_root", argv[0]);
+  set_absolute_path(options, "cgi_interpreter");
-    notify("Setting document_root to [%s]",
+  set_absolute_path(options, "access_log_file");
-           mg_get_option(server, "document_root"));
+  set_absolute_path(options, "global_auth_file");
-  }
+  set_absolute_path(options, "ssl_certificate");
-
+
-  // Make extra verification for certain options
+  if (!path_exists(get_option(options, "document_root"), 1)) {
-  verify_existence(options, "document_root", 1);
+    set_option(options, "document_root", s_default_document_root);
-  verify_existence(options, "cgi_interpreter", 0);
+    set_absolute_path(options, "document_root");
-  verify_existence(options, "ssl_certificate", 0);
+    notify("Setting document_root to [%s]",
-
+           mg_get_option(server, "document_root"));
-  for (i = 0; options[i] != NULL; i += 2) {
+  }
-    const char *msg = mg_set_option(server, options[i], options[i + 1]);
+
-    if (msg != NULL) {
+  // Make extra verification for certain options
-      notify("Failed to set option [%s] to [%s]: %s",
+  verify_existence(options, "document_root", 1);
-             options[i], options[i + 1], msg);
+  verify_existence(options, "cgi_interpreter", 0);
-      if (!strcmp(options[i], "listening_port")) {
+  verify_existence(options, "ssl_certificate", 0);
-        mg_set_option(server, "listening_port", s_default_listening_port);
+
-        notify("Setting %s to [%s]", options[i], s_default_listening_port);
+  for (i = 0; options[i] != NULL; i += 2) {
-      }
+    const char *msg = mg_set_option(server, options[i], options[i + 1]);
-    }
+    if (msg != NULL) {
-    free(options[i]);
+      notify("Failed to set option [%s] to [%s]: %s",
-    free(options[i + 1]);
+             options[i], options[i + 1], msg);
-  }
+      if (!strcmp(options[i], "listening_port")) {
-
+        mg_set_option(server, "listening_port", s_default_listening_port);
-  // Change current working directory to document root. This way,
+        notify("Setting %s to [%s]", options[i], s_default_listening_port);
-  // scripts can use relative paths.
+      }
-  chdir(mg_get_option(server, "document_root"));
+    }
-
+    free(options[i]);
-  // Add an ability to pass listening socket to mongoose
+    free(options[i + 1]);
-  {
+  }
-    const char *env = getenv("MONGOOSE_LISTENING_SOCKET");
+
-    if (env != NULL && atoi(env) > 0 ) {
+  // Change current working directory to document root. This way,
-      mg_set_listening_socket(server, atoi(env));
+  // scripts can use relative paths.
-    }
+  chdir(mg_get_option(server, "document_root"));
-  }
+
-
+#if 0
-  // Setup signal handler: quit on Ctrl-C
+  // Add an ability to pass listening socket to mongoose
-  signal(SIGTERM, signal_handler);
+  {
-  signal(SIGINT, signal_handler);
+    const char *env = getenv("MONGOOSE_LISTENING_SOCKET");
-#ifndef _WIN32
+    if (env != NULL && atoi(env) > 0 ) {
-  signal(SIGCHLD, signal_handler);
+      mg_set_listening_socket(server, atoi(env));
-#endif
+    }
-}
+  }
-
+#endif
-int main(int argc, char *argv[]) {
+
-  init_server_name();
+  // Setup signal handler: quit on Ctrl-C
-  start_mongoose(argc, argv);
+  signal(SIGTERM, signal_handler);
-  printf("%s serving [%s] on port %s\n",
+  signal(SIGINT, signal_handler);
-         server_name, mg_get_option(server, "document_root"),
+#ifndef _WIN32
-         mg_get_option(server, "listening_port"));
+  signal(SIGCHLD, signal_handler);
-  fflush(stdout);  // Needed, Windows terminals might not be line-buffered
+#endif
-  while (exit_flag == 0) {
+}
-    mg_poll_server(server, 1000);
+
-  }
+int main(int argc, char *argv[]) {
-  printf("Exiting on signal %d ...", exit_flag);
+  init_server_name();
-  fflush(stdout);
+  start_mongoose(argc, argv);
-  mg_destroy_server(&server);
+  printf("%s serving [%s] on port %s\n",
-  printf("%s\n", " done.");
+         server_name, mg_get_option(server, "document_root"),
-
+         mg_get_option(server, "listening_port"));
-  return EXIT_SUCCESS;
+  fflush(stdout);  // Needed, Windows terminals might not be line-buffered
-}
+  serving_thread_func(server);
+  printf("Exiting on signal %d ...", exit_flag);
+  fflush(stdout);
+  mg_destroy_server(&server);
+  printf("%s\n", " done.");
+
+  return EXIT_SUCCESS;
+}

examples/websocket_chat/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = websocket_chat
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/websocket_chat/index.html

@@ -0,0 +1,98 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+  <meta charset="utf-8" />
+  <title>WebSocket Test</title>
+  <meta name="viewport" content="width=device-width, initial-scale=1" />
+  <style type="text/css">
+    body {
+      background-color: #cde; margin: 0;
+      padding: 0; font: 14px Helvetica, Arial, sans-serif;
+    }
+    div.content {
+      width: 800px; margin: 2em auto; padding: 20px 50px;
+      background-color: #fff; border-radius: 1em;
+    }
+    #messages {
+      border: 2px solid #fec; border-radius: 1em;
+      height: 10em; overflow: scroll; padding: 0.5em 1em;
+    }
+    a:link, a:visited { color: #69c; text-decoration: none; }
+    @media (max-width: 700px) {
+      body { background-color: #fff; }
+      div.content {
+        width: auto; margin: 0 auto; border-radius: 0;
+        padding: 1em;
+      }
+    }
+</style>
+
+<script language="javascript" type="text/javascript">
+
+  var rooms = [];
+  var ws = new WebSocket('ws://' + location.host + '/ws');
+
+  if (!window.console) { window.console = { log: function() {} } };
+
+  ws.onopen = function(ev)  { console.log(ev); };
+  ws.onerror = function(ev) { console.log(ev); };
+  ws.onclose = function(ev) { console.log(ev); };
+  ws.onmessage = function(ev) {
+    console.log(ev);
+    var m = (ev.data || '').match(/^(\S+) (.+)/);
+    if (m[1] == 'id') {
+      document.getElementById('my_id').innerText = m[2];
+    } else if (m[1] == 'msg') {
+      var div = document.createElement('div');
+      div.innerHTML = m[2];
+      document.getElementById('messages').appendChild(div);
+    }
+  };
+
+  window.onload = function() {
+    document.getElementById('send_button').onclick = function(ev) {
+      var msg = document.getElementById('send_input').value;
+      ws.send('msg ' + msg);
+    };
+    document.getElementById('room_sel').onchange = function(ev) {
+      var roomName = this.value || '?';
+      ws.send('join ' + roomName);
+    };
+  };
+</script>
+</head>
+<body>
+  <div class="content">
+    <h1>Websocket PubSub Demonstration</h1>
+
+    <p>
+      This page demonstrates how Mongoose web server could be used to implement
+      <a href="http://en.wikipedia.org/wiki/Publish%E2%80%93subscribe_pattern">
+       publish–subscribe pattern</a>. Open this page in several browser
+       windows. Each window initiates persistent
+       <a href="http://en.wikipedia.org/wiki/WebSocket">WebSocket</a>
+      connection with Mongoose, making each browser window a websocket client.
+      Join a room, send messages, and see messages sent by other clients.
+    </p>
+
+    <p>
+      My ID: <b><span id="my_id"></b></span>
+    </p>
+    <p>
+      Join room: <select id="room_sel">
+        <option value="">-- select room -- </option>
+        <option>A</option>
+        <option>B</option>
+      </select>
+    </p>
+
+    <div id="messages">
+    </div>
+
+    <p>
+      <input type="text" id="send_input" />
+      <button id="send_button">Send Message</button>
+    </p>
+  </div>
+</body>
+</html>

examples/websocket_chat/websocket_chat.c

@@ -0,0 +1,83 @@
+// Copyright (c) 2013-2014 Cesanta Software Limited
+// $Date: 2014-09-09 17:07:55 UTC $
+
+#include <string.h>
+#include <time.h>
+#include <signal.h>
+#include <stdlib.h>
+#include "mongoose.h"
+
+static int s_signal_received = 0;
+static struct mg_server *s_server = NULL;
+
+// Data associated with each websocket connection
+struct conn_data {
+  int room;
+};
+
+static void signal_handler(int sig_num) {
+  signal(sig_num, signal_handler);  // Reinstantiate signal handler
+  s_signal_received = sig_num;
+}
+
+static void handle_websocket_message(struct mg_connection *conn) {
+  struct conn_data *d = (struct conn_data *) conn->connection_param;
+  struct mg_connection *c;
+
+  printf("[%.*s]\n", (int) conn->content_len, conn->content);
+  if (conn->content_len > 5 && !memcmp(conn->content, "join ", 5)) {
+    // Client joined new room
+    d->room = conn->content[5];
+  } else if (conn->content_len > 4 && !memcmp(conn->content, "msg ", 4) &&
+             d->room != 0 && d->room != '?') {
+    // Client has sent a message. Push this message to all clients
+    // that are subscribed to the same room as client
+    for (c = mg_next(s_server, NULL); c != NULL; c = mg_next(s_server, c)) {
+      struct conn_data *d2 = (struct conn_data *) c->connection_param;
+      if (!c->is_websocket || d2->room != d->room) continue;
+      mg_websocket_printf(c, WEBSOCKET_OPCODE_TEXT, "msg %c %p %.*s",
+                          (char) d->room, conn,
+                          conn->content_len - 4, conn->content + 4);
+    }
+  }
+}
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_REQUEST:
+      if (conn->is_websocket) {
+        handle_websocket_message(conn);
+        return MG_TRUE;
+      } else {
+        mg_send_file(conn, "index.html", NULL);  // Return MG_MORE after!
+        return MG_MORE;
+      }
+    case MG_WS_CONNECT:
+      // New websocket connection. Send connection ID back to the client.
+      conn->connection_param = calloc(1, sizeof(struct conn_data));
+      mg_websocket_printf(conn, WEBSOCKET_OPCODE_TEXT, "id %p", conn);
+      return MG_FALSE;
+    case MG_CLOSE:
+      free(conn->connection_param);
+      return MG_TRUE;
+    case MG_AUTH:
+      return MG_TRUE;
+    default:
+      return MG_FALSE;
+  }
+}
+
+int main(void) {
+  s_server = mg_create_server(NULL, ev_handler);
+  mg_set_option(s_server, "listening_port", "8080");
+
+  signal(SIGTERM, signal_handler);
+  signal(SIGINT, signal_handler);
+
+  printf("Started on port %s\n", mg_get_option(s_server, "listening_port"));
+  while (s_signal_received == 0) {
+    mg_poll_server(s_server, 100);
+  }
+  mg_destroy_server(&s_server);
+  return 0;
+}

examples/websocket_echo_server/Makefile

@@ -0,0 +1,12 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = websocket_echo_server
+CFLAGS = -W -Wall -I../.. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c ../../mongoose.c
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/websocket_echo_server/websocket_echo_server.c

@@ -1,27 +1,24 @@
+// Copyright (c) 2013-2014 Cesanta Software Limited
+// $Date: 2014-09-09 17:07:55 UTC $
+
 #include <string.h>
 #include <time.h>
 #include "mongoose.h"
 
-#ifdef _WIN32
+static void push_message(struct mg_server *server, time_t current_time) {
-#define snprintf _snprintf
+  struct mg_connection *c;
-#endif
+  char buf[20];
+  int len = sprintf(buf, "%lu", (unsigned long) current_time);
 
-extern const char *find_embedded_file(const char *, size_t *);
+  // Iterate over all connections, and push current time message to websocket ones.
-
+  for (c = mg_next(server, NULL); c != NULL; c = mg_next(server, c)) {
-static int iterate_callback(struct mg_connection *c, enum mg_event ev) {
+    if (c->is_websocket) {
-  static int counter = 0;
+      mg_websocket_write(c, 1, buf, len);
-  if (ev == MG_POLL && c->is_websocket) {
+    }
-    char buf[20];
-    int len = snprintf(buf, sizeof(buf), "%d", counter++);
-    mg_websocket_write(c, 1, buf, len);
   }
-  return MG_TRUE;
 }
 
 static int send_reply(struct mg_connection *conn) {
-  size_t index_size;
-  const char *index_html = find_embedded_file("websocket.html", &index_size);
-
   if (conn->is_websocket) {
     // This handler is called for each incoming websocket frame, one or more
     // times for connection lifetime.
@@ -30,19 +27,16 @@ static int send_reply(struct mg_connection *conn) {
     return conn->content_len == 4 && !memcmp(conn->content, "exit", 4) ?
       MG_FALSE : MG_TRUE;
   } else {
-    mg_send_header(conn, "Content-Type", "text/html");
+    mg_send_file(conn, "index.html", NULL);
-    mg_send_data(conn, index_html, index_size);
+    return MG_MORE;
-    return MG_TRUE;
   }
 }
 
 static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
-  if (ev == MG_REQUEST) {
+  switch (ev) {
-    return send_reply(conn);
+    case MG_AUTH: return MG_TRUE;
-  } else if (ev == MG_AUTH) {
+    case MG_REQUEST: return send_reply(conn);
-    return MG_TRUE;
+    default: return MG_FALSE;
-  } else {
-    return MG_FALSE;
   }
 }
 
@@ -58,7 +52,7 @@ int main(void) {
     current_timer = time(NULL);
     if (current_timer - last_timer > 0) {
       last_timer = current_timer;
-      mg_iterate_over_connections(server, iterate_callback);
+      push_message(server, current_timer);
     }
   }
 

examples/websocket_ssl_proxy/Makefile

@@ -0,0 +1,15 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = ws_ssl
+CFLAGS = -W -Wall -I../.. -I. -pthread -g -O0 $(CFLAGS_EXTRA)
+SOURCES = ws_ssl.c ../../mongoose.c ssl_wrapper.c
+
+all: $(PROG)
+
+$(PROG): $(SOURCES)
+	$(CC) -o $(PROG) $(SOURCES) \
+		-DNS_ENABLE_SSL -DSSL_WRAPPER_USE_AS_LIBRARY -lssl $(CFLAGS)
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib

examples/websocket_ssl_proxy/certs/ws1_ca.pem

@@ -0,0 +1,49 @@
+-----BEGIN RSA PRIVATE KEY-----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+pFqQzddzPBZXlpVM6k1jcEjdpJizbeR8DmICpABFrZvKz1o8pQ2Yw+FYI86ih0x4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+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
+MIIDlDCCAnygAwIBAgIJAIOoO+AapJ5WMA0GCSqGSIb3DQEBBQUAMDoxDDAKBgNV
+BAMTA3dzMTEMMAoGA1UEChMDd3MxMQswCQYDVQQGEwJJRTEPMA0GA1UEBxMGRHVi
+bGluMB4XDTE0MDgwMzA5MTU0NVoXDTI0MDczMTA5MTU0NVowOjEMMAoGA1UEAxMD
+d3MxMQwwCgYDVQQKEwN3czExCzAJBgNVBAYTAklFMQ8wDQYDVQQHEwZEdWJsaW4w
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+gwljjEmJq55p+H2kgRLa9KXu4/Qn+qi32/at2Ivue3UfW/Cx54SRmFD40sHl7bPi
+mzKS0lzANfvBDqPsmcp8d4/6LE5NQ5GBXh+gExU6qj/8a6j3ZDkegs0rvtXTLj5l
+AgMBAAGjgZwwgZkwHQYDVR0OBBYEFL54xAgtJTW6US4Mbr4QG0yKzvaxMGoGA1Ud
+IwRjMGGAFL54xAgtJTW6US4Mbr4QG0yKzvaxoT6kPDA6MQwwCgYDVQQDEwN3czEx
+DDAKBgNVBAoTA3dzMTELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkR1YmxpboIJAIOo
+O+AapJ5WMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQADggEBAJz/RzMa9Wa2
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+Uc/udRzsXncup+0mD+Yos6Cqyo9yHq7L1HbXfKYZtBXIjWHdF2+RP8j9tHfITXYI
+Pb2zsQ+A6PYpp5OLGZTDAnI2qffqsmwXFNhPfFhOANrGlOjsvy1P7JDzvymj/90m
+NomlO3vjxLHOf6MvedTgCB0dRcAoUWPgbxPWifjBmGBjQjA4ukMQ58wbBQgvIoCW
+obrXmLCNZIkpWTw4gMRYquY880IYK/OuFNJH/dawxx/WzuVr7IdLmbFY15zf5TUb
+ZpIpwqRCysg=
+-----END CERTIFICATE-----

examples/websocket_ssl_proxy/certs/ws1_client.pem

@@ -0,0 +1,45 @@
+-----BEGIN RSA PRIVATE KEY-----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+T46dO2W1pV+mW4A5gt0aqhLv7pCS4lpreNAqyHSPqcQWcCeiTzmp/LfDAoGBANiB
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+G+RKoflmk1eFXVHN0w35yw0dVco//WE4vOknldNEnIT85k02ld8lDTa2Q/EJZtPH
+un6zeU0Q2/4SZ/GXPssEZPlpPM7WtQzztlH3+sqLAoGBAKnhppvAgi4ippQsLa4j
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+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

examples/websocket_ssl_proxy/certs/ws1_server.pem

@@ -0,0 +1,45 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

examples/websocket_ssl_proxy/certs/ws2_ca.pem

@@ -0,0 +1,49 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
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+HUaOcNC90ew=
+-----END CERTIFICATE-----

examples/websocket_ssl_proxy/certs/ws2_client.pem

@@ -0,0 +1,45 @@
+-----BEGIN RSA PRIVATE KEY-----
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+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
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+-----END CERTIFICATE-----

examples/websocket_ssl_proxy/certs/ws2_server.pem

@@ -0,0 +1,45 @@
+-----BEGIN RSA PRIVATE KEY-----
+MIIEpQIBAAKCAQEA29iFnMf4pjty6knOt4wT0joPUlU2dGCFWxQ5Eg77Yx3Lou2a
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+iBpIHIBASNCN3sqeq+VqXvavRmeZh5O0vyLP46/kxZx0rzR/NCi9xxU=
+-----END RSA PRIVATE KEY-----
+-----BEGIN CERTIFICATE-----
+MIIC7DCCAdQCBRQHBXNIMA0GCSqGSIb3DQEBBQUAMDoxDDAKBgNVBAMTA3dzMjEM
+MAoGA1UEChMDd3MyMQswCQYDVQQGEwJJRTEPMA0GA1UEBxMGRHVibGluMB4XDTE0
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+iZtzp+NzzLnEnWMNs+fJpPJ96P0kbq2bQzuSBcUynq0=
+-----END CERTIFICATE-----

examples/websocket_ssl_proxy/net_skeleton.h

@@ -0,0 +1,253 @@
+// Copyright (c) 2014 Cesanta Software Limited
+// All rights reserved
+//
+// This software 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 software 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 software under a commercial
+// license, as set out in <http://cesanta.com/>.
+//
+// $Date: 2014-09-28 05:04:41 UTC $
+
+#ifndef NS_SKELETON_HEADER_INCLUDED
+#define NS_SKELETON_HEADER_INCLUDED
+
+#define NS_SKELETON_VERSION "2.1.0"
+
+#undef UNICODE                  // Use ANSI WinAPI functions
+#undef _UNICODE                 // Use multibyte encoding on Windows
+#define _MBCS                   // Use multibyte encoding on Windows
+#define _INTEGRAL_MAX_BITS 64   // Enable _stati64() on Windows
+#define _CRT_SECURE_NO_WARNINGS // Disable deprecation warning in VS2005+
+#undef WIN32_LEAN_AND_MEAN      // Let windows.h always include winsock2.h
+#define _XOPEN_SOURCE 600       // For flockfile() on Linux
+#define __STDC_FORMAT_MACROS    // <inttypes.h> wants this for C++
+#define __STDC_LIMIT_MACROS     // C++ wants that for INT64_MAX
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE       // Enable fseeko() and ftello() functions
+#endif
+#define _FILE_OFFSET_BITS 64    // Enable 64-bit file offsets
+
+#ifdef _MSC_VER
+#pragma warning (disable : 4127)  // FD_SET() emits warning, disable it
+#pragma warning (disable : 4204)  // missing c99 support
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <assert.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <signal.h>
+
+#ifdef _WIN32
+#ifdef _MSC_VER
+#pragma comment(lib, "ws2_32.lib")    // Linking with winsock library
+#endif
+#include <windows.h>
+#include <process.h>
+#ifndef EINPROGRESS
+#define EINPROGRESS WSAEINPROGRESS
+#endif
+#ifndef EWOULDBLOCK
+#define EWOULDBLOCK WSAEWOULDBLOCK
+#endif
+#ifndef __func__
+#define STRX(x) #x
+#define STR(x) STRX(x)
+#define __func__ __FILE__ ":" STR(__LINE__)
+#endif
+#ifndef va_copy
+#define va_copy(x,y) x = y
+#endif // MINGW #defines va_copy
+#define snprintf _snprintf
+#define vsnprintf _vsnprintf
+#define sleep(x) Sleep((x) * 1000)
+#define to64(x) _atoi64(x)
+typedef int socklen_t;
+typedef unsigned char uint8_t;
+typedef unsigned int uint32_t;
+typedef unsigned short uint16_t;
+typedef unsigned __int64 uint64_t;
+typedef __int64   int64_t;
+typedef SOCKET sock_t;
+typedef struct _stati64 ns_stat_t;
+#ifndef S_ISDIR
+#define S_ISDIR(x) ((x) & _S_IFDIR)
+#endif
+#else
+#include <errno.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <pthread.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <arpa/inet.h>  // For inet_pton() when NS_ENABLE_IPV6 is defined
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <sys/select.h>
+#define closesocket(x) close(x)
+#define __cdecl
+#define INVALID_SOCKET (-1)
+#define to64(x) strtoll(x, NULL, 10)
+typedef int sock_t;
+typedef struct stat ns_stat_t;
+#endif
+
+#ifdef NS_ENABLE_DEBUG
+#define DBG(x) do { printf("%-20s ", __func__); printf x; putchar('\n'); \
+  fflush(stdout); } while(0)
+#else
+#define DBG(x)
+#endif
+
+#ifndef ARRAY_SIZE
+#define ARRAY_SIZE(array) (sizeof(array) / sizeof(array[0]))
+#endif
+
+#ifdef NS_ENABLE_SSL
+#ifdef __APPLE__
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+#include <openssl/ssl.h>
+#else
+typedef void *SSL;
+typedef void *SSL_CTX;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+union socket_address {
+  struct sockaddr sa;
+  struct sockaddr_in sin;
+#ifdef NS_ENABLE_IPV6
+  struct sockaddr_in6 sin6;
+#else
+  struct sockaddr sin6;
+#endif
+};
+
+// Describes chunk of memory
+struct ns_str {
+  const char *p;
+  size_t len;
+};
+
+// IO buffers interface
+struct iobuf {
+  char *buf;
+  size_t len;
+  size_t size;
+};
+
+void iobuf_init(struct iobuf *, size_t initial_size);
+void iobuf_free(struct iobuf *);
+size_t iobuf_append(struct iobuf *, const void *data, size_t data_size);
+void iobuf_remove(struct iobuf *, size_t data_size);
+void iobuf_resize(struct iobuf *, size_t new_size);
+
+// Callback function (event handler) prototype, must be defined by user.
+// Net skeleton will call event handler, passing events defined above.
+struct ns_connection;
+typedef void (*ns_callback_t)(struct ns_connection *, int event_num, void *evp);
+
+// Events. Meaning of event parameter (evp) is given in the comment.
+#define NS_POLL    0  // Sent to each connection on each call to ns_mgr_poll()
+#define NS_ACCEPT  1  // New connection accept()-ed. union socket_address *addr
+#define NS_CONNECT 2  // connect() succeeded or failed. int *success_status
+#define NS_RECV    3  // Data has benn received. int *num_bytes
+#define NS_SEND    4  // Data has been written to a socket. int *num_bytes
+#define NS_CLOSE   5  // Connection is closed. NULL
+
+
+struct ns_mgr {
+  struct ns_connection *active_connections;
+  const char *hexdump_file;         // Debug hexdump file path
+  sock_t ctl[2];                    // Socketpair for mg_wakeup()
+  void *user_data;                  // User data
+};
+
+
+struct ns_connection {
+  struct ns_connection *next, *prev;  // ns_mgr::active_connections linkage
+  struct ns_connection *listener;     // Set only for accept()-ed connections
+  struct ns_mgr *mgr;
+
+  sock_t sock;                // Socket
+  union socket_address sa;    // Peer address
+  struct iobuf recv_iobuf;    // Received data
+  struct iobuf send_iobuf;    // Data scheduled for sending
+  SSL *ssl;
+  SSL_CTX *ssl_ctx;
+  void *user_data;            // User-specific data
+  void *proto_data;           // Application protocol-specific data
+  time_t last_io_time;        // Timestamp of the last socket IO
+  ns_callback_t callback;     // Event handler function
+
+  unsigned int flags;
+#define NSF_FINISHED_SENDING_DATA   (1 << 0)
+#define NSF_BUFFER_BUT_DONT_SEND    (1 << 1)
+#define NSF_SSL_HANDSHAKE_DONE      (1 << 2)
+#define NSF_CONNECTING              (1 << 3)
+#define NSF_CLOSE_IMMEDIATELY       (1 << 4)
+#define NSF_WANT_READ               (1 << 5)
+#define NSF_WANT_WRITE              (1 << 6)
+#define NSF_LISTENING               (1 << 7)
+#define NSF_UDP                     (1 << 8)
+
+#define NSF_USER_1                  (1 << 20)
+#define NSF_USER_2                  (1 << 21)
+#define NSF_USER_3                  (1 << 22)
+#define NSF_USER_4                  (1 << 23)
+#define NSF_USER_5                  (1 << 24)
+#define NSF_USER_6                  (1 << 25)
+};
+
+void ns_mgr_init(struct ns_mgr *, void *user_data);
+void ns_mgr_free(struct ns_mgr *);
+time_t ns_mgr_poll(struct ns_mgr *, int milli);
+void ns_broadcast(struct ns_mgr *, ns_callback_t, void *, size_t);
+
+struct ns_connection *ns_next(struct ns_mgr *, struct ns_connection *);
+struct ns_connection *ns_add_sock(struct ns_mgr *, sock_t,
+                                  ns_callback_t, void *);
+struct ns_connection *ns_bind(struct ns_mgr *, const char *,
+                              ns_callback_t, void *);
+struct ns_connection *ns_connect(struct ns_mgr *, const char *,
+                                 ns_callback_t, void *);
+
+int ns_send(struct ns_connection *, const void *buf, int len);
+int ns_printf(struct ns_connection *, const char *fmt, ...);
+int ns_vprintf(struct ns_connection *, const char *fmt, va_list ap);
+
+// Utility functions
+void *ns_start_thread(void *(*f)(void *), void *p);
+int ns_socketpair(sock_t [2]);
+int ns_socketpair2(sock_t [2], int sock_type);  // SOCK_STREAM or SOCK_DGRAM
+void ns_set_close_on_exec(sock_t);
+void ns_sock_to_str(sock_t sock, char *buf, size_t len, int flags);
+int ns_hexdump(const void *buf, int len, char *dst, int dst_len);
+int ns_avprintf(char **buf, size_t size, const char *fmt, va_list ap);
+int ns_resolve(const char *domain_name, char *ip_addr_buf, size_t buf_len);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // NS_SKELETON_HEADER_INCLUDED

examples/websocket_ssl_proxy/ssl_wrapper.c

@@ -0,0 +1,123 @@
+// Copyright (c) 2014 Cesanta Software Limited
+// All rights reserved
+//
+// This software 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 software 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 software under a commercial
+// license, as set out in <http://cesanta.com/products.html>.
+//
+// $Date$
+
+#include "net_skeleton.h"
+#include "ssl_wrapper.h"
+
+static void ev_handler(struct ns_connection *nc, int ev, void *p) {
+  const char *target_addr = (const char *) nc->mgr->user_data;
+  struct ns_connection *pc = (struct ns_connection *) nc->user_data;
+  struct iobuf *io = &nc->recv_iobuf;
+
+  (void) p;
+  switch (ev) {
+    case NS_ACCEPT:
+      // Create a connection to the target, and interlink both connections
+      nc->user_data = ns_connect(nc->mgr, target_addr, ev_handler, nc);
+      if (nc->user_data == NULL) {
+        nc->flags |= NSF_CLOSE_IMMEDIATELY;
+      }
+      break;
+
+    case NS_CLOSE:
+      // If either connection closes, unlink them and shedule closing
+      if (pc != NULL) {
+        pc->flags |= NSF_FINISHED_SENDING_DATA;
+        pc->user_data = NULL;
+      }
+      nc->user_data = NULL;
+      break;
+
+    case NS_RECV:
+      // Forward arrived data to the other connection, and discard from buffer
+      if (pc != NULL) {
+        ns_send(pc, io->buf, io->len);
+        iobuf_remove(io, io->len);
+      }
+      break;
+
+    default:
+      break;
+  }
+}
+
+void *ssl_wrapper_init(const char *local_addr, const char *target_addr,
+                       const char **err_msg) {
+  struct ns_mgr *mgr = (struct ns_mgr *) calloc(1, sizeof(mgr[0]));
+  *err_msg = NULL;
+
+  if (mgr == NULL) {
+    *err_msg = "malloc failed";
+  } else {
+    ns_mgr_init(mgr, (void *) target_addr);
+    if (ns_bind(mgr, local_addr, ev_handler, NULL) == NULL) {
+      *err_msg = "ns_bind() failed: bad listening_port";
+      ns_mgr_free(mgr);
+      free(mgr);
+      mgr = NULL;
+    }
+  }
+
+  return mgr;
+}
+
+void ssl_wrapper_serve(void *param, volatile int *quit) {
+  struct ns_mgr *mgr = (struct ns_mgr *) param;
+
+  while (*quit == 0) {
+    ns_mgr_poll(mgr, 1000);
+  }
+  ns_mgr_free(mgr);
+  free(mgr);
+}
+
+#ifndef SSL_WRAPPER_USE_AS_LIBRARY
+static int s_received_signal = 0;
+
+static void signal_handler(int sig_num) {
+  signal(sig_num, signal_handler);
+  s_received_signal = sig_num;
+}
+
+static void show_usage_and_exit(const char *prog) {
+  fprintf(stderr, "Usage: %s <listening_address> <target_address>\n", prog);
+  exit(EXIT_FAILURE);
+}
+
+int main(int argc, char *argv[]) {
+  void *wrapper;
+  const char *err_msg;
+
+  if (argc != 3) {
+    show_usage_and_exit(argv[0]);
+  }
+
+  // Setup signal handlers
+  signal(SIGTERM, signal_handler);
+  signal(SIGINT, signal_handler);
+  signal(SIGPIPE, SIG_IGN);
+
+  if ((wrapper = ssl_wrapper_init(argv[1], argv[2], &err_msg)) == NULL) {
+    fprintf(stderr, "Error: %s\n", err_msg);
+    exit(EXIT_FAILURE);
+  }
+  ssl_wrapper_serve(wrapper, &s_received_signal);
+
+  return EXIT_SUCCESS;
+}
+#endif // SSL_WRAPPER_USE_AS_LIBRARY

examples/websocket_ssl_proxy/ssl_wrapper.h

@@ -0,0 +1,34 @@
+// Copyright (c) 2014 Cesanta Software Limited
+// All rights reserved
+//
+// This software 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 software 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 software under a commercial
+// license, as set out in <http://cesanta.com/products.html>.
+//
+// $Date$
+
+#ifndef SSL_WRAPPER_HEADER_INCLUDED
+#define SSL_WRAPPER_HEADER_INCLUDED
+
+#ifdef __cplusplus
+extern "C" {
+#endif // __cplusplus
+
+void *ssl_wrapper_init(const char *listen_addr, const char *target_addr,
+                       const char **err_msg);
+void ssl_wrapper_serve(void *, volatile int *stop_marker);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // SSL_WRAPPER_HEADER_INCLUDED

examples/websocket_ssl_proxy/ws_ssl.c

@@ -0,0 +1,182 @@
+// Copyright (c) 2014 Cesanta Software
+// All rights reserved
+//
+// This example demostrates proxying of WebSocket traffic, regardless of the
+// protocol (ws:// or wss://).
+// To use this example:
+//    1. configure your browser to use a proxy on port 2014
+//    2. import certs/ws1_ca.pem and certs/ws2_ca.pem into the trusted
+//       certificates list on your browser
+//    3. make && ./ws_ssl
+//    4. Point your browser to http://ws_ssl.com
+//  A page with 4 sections should appear, showing websocket echoes
+
+#include "net_skeleton.h"
+#include "mongoose.h"
+#include "ssl_wrapper.h"
+
+#define S1_PEM  "certs/ws1_server.pem"
+#define C1_PEM  "certs/ws1_client.pem"
+#define CA1_PEM "certs/ws1_ca.pem"
+#define S2_PEM  "certs/ws2_server.pem"
+#define C2_PEM  "certs/ws2_client.pem"
+#define CA2_PEM "certs/ws2_ca.pem"
+
+struct config {
+  const char *uri;
+  const char *wrapper_server_addr;
+  const char *wrapper_client_addr;
+  const char *target_addr;
+};
+
+static struct config s_wrappers[] = {
+  {
+    "ws1:80",
+    "tcp://127.0.0.1:7001",
+    "tcp://127.0.0.1:7001",
+    "tcp://127.0.0.1:9001"
+  },
+  {
+    "ws1:443",
+    "ssl://127.0.0.1:7002:" S1_PEM,
+    "tcp://127.0.0.1:7002",
+    "tcp://127.0.0.1:9001"
+  },
+  {
+    "ws2:80",
+    "tcp://127.0.0.1:7003",
+    "tcp://127.0.0.1:7003",
+    "ssl://127.0.0.1:9002:" C2_PEM ":" CA2_PEM
+  },
+  {
+    "ws2:443",
+    "ssl://127.0.0.1:7004:" S2_PEM,
+    "tcp://127.0.0.1:7004",
+    "ssl://127.0.0.1:9002:" C2_PEM ":" CA2_PEM
+  },
+};
+
+static int s_received_signal = 0;
+
+static void signal_handler(int sig_num) {
+  signal(sig_num, signal_handler);
+  s_received_signal = sig_num;
+}
+
+static int ev_handler(struct mg_connection *conn, enum mg_event ev) {
+  int i;
+
+  switch (ev) {
+    case MG_AUTH:
+      return MG_TRUE;
+
+    case MG_REQUEST:
+      printf("==> [%s] [%s]\n", conn->request_method, conn->uri);
+
+      if (strcmp(conn->request_method, "CONNECT") == 0) {
+        // Iterate over configured wrappers, see if we can use one of them
+        for (i = 0; i < (int) ARRAY_SIZE(s_wrappers); i++) {
+          if (strcmp(conn->uri, s_wrappers[i].uri) == 0) {
+            mg_forward(conn, s_wrappers[i].wrapper_client_addr);
+            return MG_MORE;
+          }
+        }
+
+        // No suitable wrappers found. Disallow that CONNECT request.
+        mg_send_status(conn, 405);
+        return MG_TRUE;
+      }
+
+      // Not a CONNECT request, serve HTML file.
+      mg_send_file(conn, "ws_ssl.html", NULL);
+      return MG_MORE;
+
+    default:
+      return MG_FALSE;
+  }
+}
+
+static int ws_handler(struct mg_connection *conn, enum mg_event ev) {
+  switch (ev) {
+    case MG_AUTH:
+      return MG_TRUE;
+    case MG_REQUEST:
+      if (conn->is_websocket) {
+        // Simple websocket echo server
+        mg_websocket_write(conn, WEBSOCKET_OPCODE_TEXT,
+                           conn->content, conn->content_len);
+      } else {
+        mg_printf_data(conn, "%s", "websocket connection expected");
+      }
+      return MG_TRUE;
+    default:
+      return MG_FALSE;
+  }
+}
+
+static void *serve_thread_func(void *param) {
+  struct mg_server *server = (struct mg_server *) param;
+  printf("Listening on port %s\n", mg_get_option(server, "listening_port"));
+  while (s_received_signal == 0) {
+    mg_poll_server(server, 1000);
+  }
+  mg_destroy_server(&server);
+  return NULL;
+}
+
+static void *wrapper_thread_func(void *param) {
+  struct config *c = (struct config *) param;
+  const char *err_msg;
+  void *wrapper;
+
+  wrapper = ssl_wrapper_init(c->wrapper_server_addr, c->target_addr, &err_msg);
+  if (wrapper == NULL) {
+    fprintf(stderr, "Error: %s\n", err_msg);
+    exit(EXIT_FAILURE);
+  }
+  //((struct ns_mgr *) wrapper)->hexdump_file = "/dev/stderr";
+  ssl_wrapper_serve(wrapper, &s_received_signal);
+
+  return NULL;
+}
+
+int main(void) {
+  struct mg_server *proxy_server = mg_create_server(NULL, ev_handler);
+  struct mg_server *ws1_server = mg_create_server(NULL, ws_handler);
+  struct mg_server *ws2_server = mg_create_server(NULL, ws_handler);
+  size_t i;
+
+  ((struct ns_mgr *) proxy_server)->hexdump_file = "/dev/stderr";
+
+  // Configure proxy server to listen on port 2014
+  mg_set_option(proxy_server, "listening_port", "2014");
+  //mg_set_option(proxy_server, "enable_proxy", "yes");
+
+  // Configure two websocket echo servers:
+  //    ws1 is WS, listening on 9001
+  //    ws2 is WSS, listening on 9002
+  // Note that HTML page thinks that ws1 is WSS, and ws2 is WS,
+  // where in reality it is vice versa and proxy server makes the decision.
+  mg_set_option(ws1_server, "listening_port", "tcp://127.0.0.1:9001");
+  mg_set_option(ws2_server, "listening_port",
+                "ssl://127.0.0.1:9002:" S2_PEM ":" CA2_PEM);
+
+  // Setup signal handlers
+  signal(SIGTERM, signal_handler);
+  signal(SIGINT, signal_handler);
+
+  // Start SSL wrappers, each in it's own thread
+  for (i = 0; i < ARRAY_SIZE(s_wrappers); i++) {
+    ns_start_thread(wrapper_thread_func, &s_wrappers[i]);
+  }
+
+  // Start websocket servers in separate threads
+  mg_start_thread(serve_thread_func, ws1_server);
+  mg_start_thread(serve_thread_func, ws2_server);
+
+  // Finally, start proxy server in this thread: this call blocks
+  serve_thread_func(proxy_server);
+
+  printf("Existing on signal %d\n", s_received_signal);
+  return EXIT_SUCCESS;
+}

examples/websocket_ssl_proxy/ws_ssl.html

@@ -0,0 +1,50 @@
+<html>
+<head>
+  <title>Websocket Proxy SSL Test</title>
+  <meta charset="utf-8">
+  <script>
+  window.onload = function() {
+    var protocols = ['ws://', 'wss://'];
+    var websocketServers = ['ws1', 'ws2'];
+    //protocols = ['wss://'];
+    //websocketServers = ['ws1']
+
+    var createWebsocketConnection = function(proto, server) {
+      var conn = new WebSocket(proto + server);
+
+      var div = document.createElement('div');
+      var h2 = document.createElement('h2');
+      h2.innerHTML = 'Connection to ' + proto + server;
+      document.body.appendChild(h2);
+      document.body.appendChild(div);
+
+      conn.onmessage = function(ev) {
+        var el = document.createElement('div');
+        el.innerHTML = 'websocket message: ' + ev.data;
+        div.appendChild(el);
+        // Keep only last 5 messages in the list
+        while (div.childNodes.length > 5) div.removeChild(div.firstChild);
+      };
+
+      // Send some string to the websocket connection periodically.
+      // websocket server much echo it back.
+      window.setInterval(function() { conn.send(Math.random()); }, 1000);
+    };
+
+    for (var i = 0; i < protocols.length; i++) {
+      for (var j = 0; j < websocketServers.length; j++) {
+        createWebsocketConnection(protocols[i], websocketServers[j]);
+      }
+    }
+  };
+  </script>
+  <style>
+    body > div {
+      border: 1px solid #ccc; background: #f0f0f0; padding: 0 1em;
+      margin: 0 2em; min-height: 4em; max-width: 40em;
+    }
+  </style>
+</head>
+<body>
+</body>
+</html>

mongoose.h

@@ -1,129 +1,153 @@
-// Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
+// Copyright (c) 2004-2013 Sergey Lyubka <valenok@gmail.com>
-// Copyright (c) 2013-2014 Cesanta Software Limited
+// Copyright (c) 2013-2014 Cesanta Software Limited
-// All rights reserved
+// All rights reserved
-//
+//
-// This library is dual-licensed: you can redistribute it and/or modify
+// 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
+// it under the terms of the GNU General Public License version 2 as
-// published by the Free Software Foundation. For the terms of this
+// published by the Free Software Foundation. For the terms of this
-// license, see <http://www.gnu.org/licenses/>.
+// license, see <http://www.gnu.org/licenses/>.
-//
+//
-// You are free to use this library under the terms of the GNU General
+// You are free to use this library under the terms of the GNU General
-// Public License, but WITHOUT ANY WARRANTY; without even the implied
+// Public License, but WITHOUT ANY WARRANTY; without even the implied
-// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-// See the GNU General Public License for more details.
+// See the GNU General Public License for more details.
-//
+//
-// Alternatively, you can license this library under a commercial
+// Alternatively, you can license this library under a commercial
-// license, as set out in <http://cesanta.com/>.
+// license, as set out in <http://cesanta.com/>.
-//
+//
-// NOTE: Detailed API documentation is at http://cesanta.com/#docs
+// $Date: 2014-09-09 17:07:55 UTC $
-
+
-#ifndef MONGOOSE_HEADER_INCLUDED
+#ifndef MONGOOSE_HEADER_INCLUDED
-#define  MONGOOSE_HEADER_INCLUDED
+#define  MONGOOSE_HEADER_INCLUDED
-
+
-#define MONGOOSE_VERSION "5.3"
+#define MONGOOSE_VERSION "5.5"
-
+
-#include <stdio.h>      // required for FILE
+#include <stdio.h>      // required for FILE
-#include <stddef.h>     // required for size_t
+#include <stddef.h>     // required for size_t
-
+
-#ifdef __cplusplus
+#ifdef __cplusplus
-extern "C" {
+extern "C" {
-#endif // __cplusplus
+#endif // __cplusplus
-
+
-// This structure contains information about HTTP request.
+// This structure contains information about HTTP request.
-struct mg_connection {
+struct mg_connection {
-  const char *request_method; // "GET", "POST", etc
+  const char *request_method; // "GET", "POST", etc
-  const char *uri;            // URL-decoded URI
+  const char *uri;            // URL-decoded URI
-  const char *http_version;   // E.g. "1.0", "1.1"
+  const char *http_version;   // E.g. "1.0", "1.1"
-  const char *query_string;   // URL part after '?', not including '?', or NULL
+  const char *query_string;   // URL part after '?', not including '?', or NULL
-
+
-  char remote_ip[48];         // Max IPv6 string length is 45 characters
+  char remote_ip[48];         // Max IPv6 string length is 45 characters
-  const char *local_ip;       // Local IP address
+  char local_ip[48];          // Local IP address
-  unsigned short remote_port; // Client's port
+  unsigned short remote_port; // Client's port
-  unsigned short local_port;  // Local port number
+  unsigned short local_port;  // Local port number
-
+
-  int num_headers;            // Number of HTTP headers
+  int num_headers;            // Number of HTTP headers
-  struct mg_header {
+  struct mg_header {
-    const char *name;         // HTTP header name
+    const char *name;         // HTTP header name
-    const char *value;        // HTTP header value
+    const char *value;        // HTTP header value
-  } http_headers[30];
+  } http_headers[30];
-
+
-  char *content;              // POST (or websocket message) data, or NULL
+  char *content;              // POST (or websocket message) data, or NULL
-  size_t content_len;       // content length
+  size_t content_len;         // Data length
-
+
-  int is_websocket;           // Connection is a websocket connection
+  int is_websocket;           // Connection is a websocket connection
-  int status_code;            // HTTP status code for HTTP error handler
+  int status_code;            // HTTP status code for HTTP error handler
-  int wsbits;                 // First byte of the websocket frame
+  int wsbits;                 // First byte of the websocket frame
-  void *server_param;         // Parameter passed to mg_add_uri_handler()
+  void *server_param;         // Parameter passed to mg_add_uri_handler()
-  void *connection_param;     // Placeholder for connection-specific data
+  void *connection_param;     // Placeholder for connection-specific data
-};
+  void *callback_param;
-
+};
-struct mg_server; // Opaque structure describing server instance
+
-enum mg_result { MG_FALSE, MG_TRUE, MG_MORE };
+struct mg_server; // Opaque structure describing server instance
-enum mg_event {
+enum mg_result { MG_FALSE, MG_TRUE, MG_MORE };
-  MG_POLL = 100,  // Callback return value is ignored
+enum mg_event {
-  MG_CONNECT,     // If callback returns MG_FALSE, connect fails
+  MG_POLL = 100,  // Callback return value is ignored
-  MG_AUTH,        // If callback returns MG_FALSE, authentication fails
+  MG_CONNECT,     // If callback returns MG_FALSE, connect fails
-  MG_REQUEST,     // If callback returns MG_FALSE, Mongoose continues with req
+  MG_AUTH,        // If callback returns MG_FALSE, authentication fails
-  MG_REPLY,       // If callback returns MG_FALSE, Mongoose closes connection
+  MG_REQUEST,     // If callback returns MG_FALSE, Mongoose continues with req
-  MG_CLOSE,       // Connection is closed
+  MG_REPLY,       // If callback returns MG_FALSE, Mongoose closes connection
-  MG_LUA,         // Called before LSP page invoked
+  MG_RECV,        // Mongoose has received POST data chunk.
-  MG_HTTP_ERROR   // If callback returns MG_FALSE, Mongoose continues with err
+                  // Callback should return a number of bytes to discard from
-};
+                  // the receive buffer, or -1 to close the connection.
-typedef int (*mg_handler_t)(struct mg_connection *, enum mg_event);
+  MG_CLOSE,       // Connection is closed, callback return value is ignored
-
+  MG_WS_HANDSHAKE,  // New websocket connection, handshake request
-// Server management functions
+  MG_WS_CONNECT,  // New websocket connection established
-struct mg_server *mg_create_server(void *server_param, mg_handler_t handler);
+  MG_HTTP_ERROR   // If callback returns MG_FALSE, Mongoose continues with err
-void mg_destroy_server(struct mg_server **);
+};
-const char *mg_set_option(struct mg_server *, const char *opt, const char *val);
+typedef int (*mg_handler_t)(struct mg_connection *, enum mg_event);
-int mg_poll_server(struct mg_server *, int milliseconds);
+
-const char **mg_get_valid_option_names(void);
+// Websocket opcodes, from http://tools.ietf.org/html/rfc6455
-const char *mg_get_option(const struct mg_server *server, const char *name);
+enum {
-void mg_set_listening_socket(struct mg_server *, int sock);
+  WEBSOCKET_OPCODE_CONTINUATION = 0x0,
-int mg_get_listening_socket(struct mg_server *);
+  WEBSOCKET_OPCODE_TEXT = 0x1,
-void mg_iterate_over_connections(struct mg_server *, mg_handler_t);
+  WEBSOCKET_OPCODE_BINARY = 0x2,
-void mg_wakeup_server(struct mg_server *);
+  WEBSOCKET_OPCODE_CONNECTION_CLOSE = 0x8,
-struct mg_connection *mg_connect(struct mg_server *, const char *, int, int);
+  WEBSOCKET_OPCODE_PING = 0x9,
-
+  WEBSOCKET_OPCODE_PONG = 0xa
-// Connection management functions
+};
-void mg_send_status(struct mg_connection *, int status_code);
+
-void mg_send_header(struct mg_connection *, const char *name, const char *val);
+// Server management functions
-void mg_send_data(struct mg_connection *, const void *data, int data_len);
+struct mg_server *mg_create_server(void *server_param, mg_handler_t handler);
-void mg_printf_data(struct mg_connection *, const char *format, ...);
+void mg_destroy_server(struct mg_server **);
-
+const char *mg_set_option(struct mg_server *, const char *opt, const char *val);
-int mg_websocket_write(struct mg_connection *, int opcode,
+int mg_poll_server(struct mg_server *, int milliseconds);
-                       const char *data, size_t data_len);
+const char **mg_get_valid_option_names(void);
-
+const char *mg_get_option(const struct mg_server *server, const char *name);
-// Deprecated in favor of mg_send_* interface
+void mg_copy_listeners(struct mg_server *from, struct mg_server *to);
-int mg_write(struct mg_connection *, const void *buf, int len);
+struct mg_connection *mg_next(struct mg_server *, struct mg_connection *);
-int mg_printf(struct mg_connection *conn, const char *fmt, ...);
+void mg_wakeup_server(struct mg_server *);
-
+void mg_wakeup_server_ex(struct mg_server *, mg_handler_t, const char *, ...);
-const char *mg_get_header(const struct mg_connection *, const char *name);
+struct mg_connection *mg_connect(struct mg_server *, const char *);
-const char *mg_get_mime_type(const char *name, const char *default_mime_type);
+
-int mg_get_var(const struct mg_connection *conn, const char *var_name,
+// Connection management functions
-               char *buf, size_t buf_len);
+void mg_send_status(struct mg_connection *, int status_code);
-int mg_parse_header(const char *hdr, const char *var_name, char *buf, size_t);
+void mg_send_header(struct mg_connection *, const char *name, const char *val);
-int mg_parse_multipart(const char *buf, int buf_len,
+size_t mg_send_data(struct mg_connection *, const void *data, int data_len);
-                       char *var_name, int var_name_len,
+size_t mg_printf_data(struct mg_connection *, const char *format, ...);
-                       char *file_name, int file_name_len,
+size_t mg_write(struct mg_connection *, const void *buf, int len);
-                       const char **data, int *data_len);
+size_t mg_printf(struct mg_connection *conn, const char *fmt, ...);
-
+
-// Utility functions
+size_t mg_websocket_write(struct mg_connection *, int opcode,
-void *mg_start_thread(void *(*func)(void *), void *param);
+                          const char *data, size_t data_len);
-char *mg_md5(char buf[33], ...);
+size_t mg_websocket_printf(struct mg_connection* conn, int opcode,
-int mg_authorize_digest(struct mg_connection *c, FILE *fp);
+                           const char *fmt, ...);
-
+
-// Lua utility functions
+void mg_send_file(struct mg_connection *, const char *path, const char *);
-#ifdef MONGOOSE_USE_LUA
+void mg_send_file_data(struct mg_connection *, int fd);
-#include <lua.h>
+
-#include <lauxlib.h>
+const char *mg_get_header(const struct mg_connection *, const char *name);
-void reg_string(lua_State *L, const char *name, const char *val);
+const char *mg_get_mime_type(const char *name, const char *default_mime_type);
-void reg_int(lua_State *L, const char *name, int val);
+int mg_get_var(const struct mg_connection *conn, const char *var_name,
-void reg_function(lua_State *L, const char *,
+               char *buf, size_t buf_len);
-                         lua_CFunction, struct mg_connection *);
+int mg_parse_header(const char *hdr, const char *var_name, char *buf, size_t);
-#endif
+int mg_parse_multipart(const char *buf, int buf_len,
-
+                       char *var_name, int var_name_len,
-#ifdef __cplusplus
+                       char *file_name, int file_name_len,
-}
+                       const char **data, int *data_len);
-#endif // __cplusplus
+
-
+
-#endif // MONGOOSE_HEADER_INCLUDED
+// Utility functions
+void *mg_start_thread(void *(*func)(void *), void *param);
+char *mg_md5(char buf[33], ...);
+int mg_authorize_digest(struct mg_connection *c, FILE *fp);
+int mg_url_encode(const char *src, size_t s_len, char *dst, size_t dst_len);
+int mg_url_decode(const char *src, int src_len, char *dst, int dst_len, int);
+int mg_terminate_ssl(struct mg_connection *c, const char *cert);
+int mg_forward(struct mg_connection *c, const char *addr);
+void *mg_mmap(FILE *fp, size_t size);
+void mg_munmap(void *p, size_t size);
+
+
+// Templates support
+struct mg_expansion {
+  const char *keyword;
+  void (*handler)(struct mg_connection *);
+};
+void mg_template(struct mg_connection *, const char *text,
+                 struct mg_expansion *expansions);
+
+#ifdef __cplusplus
+}
+#endif // __cplusplus
+
+#endif // MONGOOSE_HEADER_INCLUDED

test/Makefile

@@ -0,0 +1,21 @@
+# Copyright (c) 2014 Cesanta Software
+# All rights reserved
+
+PROG = unit_test
+PROF_FLAGS = -fprofile-arcs -ftest-coverage -g -O0 -DGUI
+CFLAGS = -W -Wall -pthread -I.. $(PROF_FLAGS) $(CFLAGS_EXTRA)
+SOURCES = $(PROG).c
+
+all: $(PROG)
+	./$(PROG)
+	gcov -b $(PROG).c | egrep '^(File|Lines)'
+
+$(PROG): $(SOURCES) Makefile ../mongoose.c clean
+	$(CC) -o $(PROG) $(SOURCES) $(CFLAGS) -ldl -lssl
+
+win:
+	wine cl $(SOURCES) /MD /nologo /DNDEBUG /O1 /Fe$(PROG).exe
+	wine $(PROG).exe
+
+clean:
+	rm -rf $(PROG) *.exe *.dSYM *.obj *.exp .*o *.lib *.gc*

test/unit_test.c

@@ -166,34 +166,34 @@ static const char *test_should_keep_alive(void) {
 }
 
 static const char *test_match_prefix(void) {
-  ASSERT(match_prefix("/api", 4, "/api") == 4);
+  ASSERT(mg_match_prefix("/api", 4, "/api") == 4);
-  ASSERT(match_prefix("/a/", 3, "/a/b/c") == 3);
+  ASSERT(mg_match_prefix("/a/", 3, "/a/b/c") == 3);
-  ASSERT(match_prefix("/a/", 3, "/ab/c") == -1);
+  ASSERT(mg_match_prefix("/a/", 3, "/ab/c") == -1);
-  ASSERT(match_prefix("/*/", 3, "/ab/c") == 4);
+  ASSERT(mg_match_prefix("/*/", 3, "/ab/c") == 4);
-  ASSERT(match_prefix("**", 2, "/a/b/c") == 6);
+  ASSERT(mg_match_prefix("**", 2, "/a/b/c") == 6);
-  ASSERT(match_prefix("/*", 2, "/a/b/c") == 2);
+  ASSERT(mg_match_prefix("/*", 2, "/a/b/c") == 2);
-  ASSERT(match_prefix("*/*", 3, "/a/b/c") == 2);
+  ASSERT(mg_match_prefix("*/*", 3, "/a/b/c") == 2);
-  ASSERT(match_prefix("**/", 3, "/a/b/c") == 5);
+  ASSERT(mg_match_prefix("**/", 3, "/a/b/c") == 5);
-  ASSERT(match_prefix("**.foo|**.bar", 13, "a.bar") == 5);
+  ASSERT(mg_match_prefix("**.foo|**.bar", 13, "a.bar") == 5);
-  ASSERT(match_prefix("a|b|cd", 6, "cdef") == 2);
+  ASSERT(mg_match_prefix("a|b|cd", 6, "cdef") == 2);
-  ASSERT(match_prefix("a|b|c?", 6, "cdef") == 2);
+  ASSERT(mg_match_prefix("a|b|c?", 6, "cdef") == 2);
-  ASSERT(match_prefix("a|?|cd", 6, "cdef") == 1);
+  ASSERT(mg_match_prefix("a|?|cd", 6, "cdef") == 1);
-  ASSERT(match_prefix("/a/**.cgi", 9, "/foo/bar/x.cgi") == -1);
+  ASSERT(mg_match_prefix("/a/**.cgi", 9, "/foo/bar/x.cgi") == -1);
-  ASSERT(match_prefix("/a/**.cgi", 9, "/a/bar/x.cgi") == 12);
+  ASSERT(mg_match_prefix("/a/**.cgi", 9, "/a/bar/x.cgi") == 12);
-  ASSERT(match_prefix("**/", 3, "/a/b/c") == 5);
+  ASSERT(mg_match_prefix("**/", 3, "/a/b/c") == 5);
-  ASSERT(match_prefix("**/$", 4, "/a/b/c") == -1);
+  ASSERT(mg_match_prefix("**/$", 4, "/a/b/c") == -1);
-  ASSERT(match_prefix("**/$", 4, "/a/b/") == 5);
+  ASSERT(mg_match_prefix("**/$", 4, "/a/b/") == 5);
-  ASSERT(match_prefix("$", 1, "") == 0);
+  ASSERT(mg_match_prefix("$", 1, "") == 0);
-  ASSERT(match_prefix("$", 1, "x") == -1);
+  ASSERT(mg_match_prefix("$", 1, "x") == -1);
-  ASSERT(match_prefix("*$", 2, "x") == 1);
+  ASSERT(mg_match_prefix("*$", 2, "x") == 1);
-  ASSERT(match_prefix("/$", 2, "/") == 1);
+  ASSERT(mg_match_prefix("/$", 2, "/") == 1);
-  ASSERT(match_prefix("**/$", 4, "/a/b/c") == -1);
+  ASSERT(mg_match_prefix("**/$", 4, "/a/b/c") == -1);
-  ASSERT(match_prefix("**/$", 4, "/a/b/") == 5);
+  ASSERT(mg_match_prefix("**/$", 4, "/a/b/") == 5);
-  ASSERT(match_prefix("*", 1, "/hello/") == 0);
+  ASSERT(mg_match_prefix("*", 1, "/hello/") == 0);
-  ASSERT(match_prefix("**.a$|**.b$", 11, "/a/b.b/") == -1);
+  ASSERT(mg_match_prefix("**.a$|**.b$", 11, "/a/b.b/") == -1);
-  ASSERT(match_prefix("**.a$|**.b$", 11, "/a/b.b") == 6);
+  ASSERT(mg_match_prefix("**.a$|**.b$", 11, "/a/b.b") == 6);
-  ASSERT(match_prefix("**.a$|**.b$", 11, "/a/B.A") == 6);
+  ASSERT(mg_match_prefix("**.a$|**.b$", 11, "/a/B.A") == 6);
-  ASSERT(match_prefix("**o$", 4, "HELLO") == 5);
+  ASSERT(mg_match_prefix("**o$", 4, "HELLO") == 5);
   return NULL;
 }
 
@@ -271,6 +271,17 @@ static const char *test_url_decode(void) {
   return NULL;
 }
 
+static const char *test_url_encode(void) {
+  char buf[100];
+  ASSERT(mg_url_encode("", 0, buf, sizeof(buf)) == 0);
+  ASSERT(buf[0] == '\0');
+  ASSERT(mg_url_encode("foo", 3, buf, sizeof(buf)) == 3);
+  ASSERT(strcmp(buf, "foo") == 0);
+  ASSERT(mg_url_encode("f o", 3, buf, sizeof(buf)) == 5);
+  ASSERT(strcmp(buf, "f%20o") == 0);
+  return NULL;
+}
+
 static const char *test_to64(void) {
   ASSERT(to64("0") == 0);
   ASSERT(to64("") == 0);
@@ -385,9 +396,9 @@ static const char *test_server(void) {
   ASSERT(mg_set_option(server, "listening_port", LISTENING_ADDR) == NULL);
   ASSERT(mg_set_option(server, "document_root", ".") == NULL);
 
-  ASSERT((conn = mg_connect(server, "127.0.0.1", atoi(HTTP_PORT), 0)) != NULL);
+  ASSERT((conn = mg_connect(server, "127.0.0.1:" HTTP_PORT)) != NULL);
   conn->connection_param = buf1;
-  ASSERT((conn = mg_connect(server, "127.0.0.1", atoi(HTTP_PORT), 0)) != NULL);
+  ASSERT((conn = mg_connect(server, "127.0.0.1:" HTTP_PORT)) != NULL);
   conn->connection_param = buf2;
 
   { int i; for (i = 0; i < 50; i++) mg_poll_server(server, 1); }
@@ -472,7 +483,7 @@ static const char *test_mg_set_option(void) {
 }
 
 static const char *test_rewrites(void) {
-  char buf1[100] = "xx";
+  char buf1[100] = "xx", addr[50];
   struct mg_server *server = mg_create_server(NULL, evh2);
   struct mg_connection *conn;
   const char *port;
@@ -481,7 +492,8 @@ static const char *test_rewrites(void) {
   ASSERT(mg_set_option(server, "document_root", ".") == NULL);
   ASSERT(mg_set_option(server, "url_rewrites", "/xx=unit_test.c") == NULL);
   ASSERT((port = mg_get_option(server, "listening_port")) != NULL);
-  ASSERT((conn = mg_connect(server, "127.0.0.1", atoi(port), 0)) != NULL);
+  snprintf(addr, sizeof(addr), "127.0.0.1:%s", port);
+  ASSERT((conn = mg_connect(server, addr)) != NULL);
   conn->connection_param = buf1;
 
   { int i; for (i = 0; i < 50; i++) mg_poll_server(server, 1); }
@@ -498,6 +510,7 @@ static const char *run_all_tests(void) {
   RUN_TEST(test_parse_http_message);
   RUN_TEST(test_to64);
   RUN_TEST(test_url_decode);
+  RUN_TEST(test_url_encode);
   RUN_TEST(test_base64_encode);
   RUN_TEST(test_mg_parse_header);
   RUN_TEST(test_get_var);