Merge branch 'dev'

6.17 -> 6.18
PUBLISHED_FROM=7893a216b1f7e86e845122eb425e4fed271244b4
2026-10-26 12:14:56 +00:00 · 2020-05-21 16:45:34 +01:00 · 2020-05-21 16:42:09 +01:00 · 2020-05-21 16:17:14 +01:00 · 2020-05-21 16:17:12 +01:00 · 2020-05-09 10:48:41 +00:00
28 changed files with 799 additions and 1480 deletions
@@ -61,8 +61,11 @@ the functionality:

 # Contributions

-To submit contributions, sign [Cesanta CLA](https://cesanta.com/cla.html)
-and send GitHub pull request.
+Contributions are welcome! Please follow the guidelines below:
+
+- Sign [Cesanta CLA](https://cesanta.com/cla.html) and send GitHub pull request
+- When making pull requests, please make sure that it has only one commit,
+ and imlements/fixes only one piece of functionality

 # Looking for a pre-compiled Mongoose web server Windows or Mac binary?
 - [Download pre-compiled Mongoose web server binary.](https://www.cesanta.com/binary.html)
@@ -16,9 +16,6 @@ signature: |
    struct mbuf send_mbuf;   /* Data scheduled for sending */
    time_t last_io_time;     /* Timestamp of the last socket IO */
    double ev_timer_time;    /* Timestamp of the future MG_EV_TIMER */
-  #if MG_ENABLE_SSL
-    void *ssl_if_data; /* SSL library data. */
-  #endif
    mg_event_handler_t proto_handler; /* Protocol-specific event handler */
    void *proto_data;                 /* Protocol-specific data */
    void (*proto_data_destructor)(void *proto_data);
@@ -51,16 +48,25 @@ signature: |
  /* Flags that are settable by user */
  #define MG_F_SEND_AND_CLOSE (1 << 10)      /* Push remaining data and close  */
  #define MG_F_CLOSE_IMMEDIATELY (1 << 11)   /* Disconnect */
-  #define MG_F_WEBSOCKET_NO_DEFRAG (1 << 12) /* Websocket specific */
-  #define MG_F_DELETE_CHUNK (1 << 13)        /* HTTP specific */
+  
+  /* Flags for protocol handlers */
+  #define MG_F_PROTO_1 (1 << 12)
+  #define MG_F_PROTO_2 (1 << 13)
  #define MG_F_ENABLE_BROADCAST (1 << 14)    /* Allow broadcast address usage */
  
-  #define MG_F_USER_1 (1 << 20) /* Flags left for application */
+  /* Flags left for application */
+  #define MG_F_USER_1 (1 << 20)
  #define MG_F_USER_2 (1 << 21)
  #define MG_F_USER_3 (1 << 22)
  #define MG_F_USER_4 (1 << 23)
  #define MG_F_USER_5 (1 << 24)
  #define MG_F_USER_6 (1 << 25)
+  
+  #if MG_ENABLE_SSL
+    void *ssl_if_data; /* SSL library data. */
+  #else
+    void *unused_ssl_if_data; /* To keep the size of the structure the same. */
+  #endif
  };
 ---

@@ -0,0 +1,4 @@
+PROG = http_proxy_client
+#SSL_LIB=openssl
+CFLAGS_EXTRA = -DMG_ENABLE_CALLBACK_USERDATA=1
+include ../examples.mk
@@ -0,0 +1,108 @@
+/*
+ * Copyright (c) 2014 Cesanta Software Limited
+ * All rights reserved
+ *
+ * This program fetches HTTP URLs.
+ */
+
+#define MG_ENABLE_CALLBACK_USERDATA 1
+#include "mongoose.h"
+
+static int s_exit_flag = 0;
+static int s_show_headers = 0;
+
+static void ev_handler(struct mg_connection *c, int ev, void *ev_data,
+                       void *userdata) {
+  struct http_message *hm = (struct http_message *) ev_data;
+
+  switch (ev) {
+    case MG_EV_CONNECT:
+      if (*(int *) ev_data != 0) {
+        fprintf(stderr, "connect() failed: %s\n", strerror(*(int *) ev_data));
+        s_exit_flag = 1;
+      } else {
+        // Stage 2. Connection to the HTTP proxy is established.
+        // Write CONNECT request, and turn this connection to HTTP.
+        // NOTE: target URL is passed to us as userdata.
+        unsigned port = 80;
+        struct mg_str scheme, host;
+        mg_parse_uri(mg_mk_str((char *) userdata), &scheme, NULL, &host, &port,
+                     NULL, NULL, NULL);
+        if (port == 0) port = (scheme.len == 5) ? 443 : 80;
+        mg_printf(c, "CONNECT %.*s:%u HTTP/1.1\r\n\r\n", (int) host.len, host.p,
+                  port);
+        // Now set the flag and wait for the connection establishment
+        c->flags |= MG_F_USER_1;
+      }
+      break;
+    case MG_EV_RECV:
+      // Stage 3. Check if proxy replied. Here, we don't parse the reply
+      // for simplicity. Assume success, and write HTTP request.
+      if (c->flags & MG_F_USER_1) {
+        struct mg_str host, path;
+        c->flags &= ~MG_F_USER_1;
+        mg_parse_uri(mg_mk_str((char *) userdata), NULL, NULL, &host, NULL,
+                     &path, NULL, NULL);
+        if (path.len == 0) path = mg_mk_str("/");
+        mg_printf(c, "GET %.*s HTTP/1.0\r\nHost: %.*s\r\n\r\n", (int) path.len,
+                  path.p, (int) host.len, host.p);
+        mg_set_protocol_http_websocket(c);
+      }
+      break;
+    case MG_EV_HTTP_REPLY:
+      c->flags |= MG_F_CLOSE_IMMEDIATELY;
+      if (s_show_headers) {
+        fwrite(hm->message.p, 1, hm->message.len, stdout);
+      } else {
+        fwrite(hm->body.p, 1, hm->body.len, stdout);
+      }
+      putchar('\n');
+      s_exit_flag = 1;
+      break;
+    case MG_EV_CLOSE:
+      if (s_exit_flag == 0) {
+        printf("Server closed connection\n");
+        s_exit_flag = 1;
+      }
+      break;
+    default:
+      break;
+  }
+}
+
+int main(int argc, char *argv[]) {
+  struct mg_mgr mgr;
+  int i;
+
+  mg_mgr_init(&mgr, NULL);
+
+  /* Process command line arguments */
+  for (i = 1; i < argc; i++) {
+    if (strcmp(argv[i], "--show-headers") == 0) {
+      s_show_headers = 1;
+    } else if (strcmp(argv[i], "--hexdump") == 0 && i + 1 < argc) {
+      mgr.hexdump_file = argv[++i];
+    } else {
+      break;
+    }
+  }
+
+  if (i + 2 != argc) {
+    fprintf(stderr,
+            "Usage: %s [--hexdump <file>] "
+            "[--show-headers] PROXY_HOST:PROXY_PORT URL\n",
+            argv[0]);
+    exit(EXIT_FAILURE);
+  }
+
+  // Stage 1. Connect to the HTTP proxy as to a plain TCP server.
+  // Pass URL as a callback argument
+  mg_connect(&mgr, argv[i], ev_handler, argv[i + 1]);
+
+  while (s_exit_flag == 0) {
+    mg_mgr_poll(&mgr, 1000);
+  }
+  mg_mgr_free(&mgr);
+
+  return 0;
+}
@@ -1,9 +1,6 @@
-#ifdef MG_MODULE_LINES
-#line 1 "mongoose/src/mg_common.h"
-#endif
 /*
 * Copyright (c) 2004-2013 Sergey Lyubka
- * Copyright (c) 2013-2015 Cesanta Software Limited
+ * Copyright (c) 2013-2020 Cesanta Software Limited
 * All rights reserved
 *
 * This software is dual-licensed: you can redistribute it and/or modify
@@ -20,10 +17,13 @@
 * license, as set out in <https://www.cesanta.com/license>.
 */

+#ifdef MG_MODULE_LINES
+#line 1 "mongoose/src/mg_common.h"
+#endif
 #ifndef CS_MONGOOSE_SRC_COMMON_H_
 #define CS_MONGOOSE_SRC_COMMON_H_

-#define MG_VERSION "6.16"
+#define MG_VERSION "6.18"

 /* Local tweaks, applied before any of Mongoose's own headers. */
 #ifdef MG_LOCALS
@@ -228,7 +228,7 @@
 #include <windows.h>
 #include <process.h>

-#if _MSC_VER < 1700
+#if defined(_MSC_VER) && (_MSC_VER < 1700)
 typedef int bool;
 #else
 #include <stdbool.h>
@@ -510,22 +510,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_esp32.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_ESP32_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_ESP32_H_
@@ -567,22 +551,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_esp8266.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_ESP8266_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_ESP8266_H_
@@ -640,22 +608,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_cc3100.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_CC3100_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_CC3100_H_
@@ -701,22 +653,6 @@ int inet_pton(int af, const char *src, void *dst);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_cc3200.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_CC3200_H_
@@ -838,22 +774,6 @@ int stat(const char *pathname, struct stat *st);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_cc3220.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_CC3220_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_CC3220_H_
@@ -962,22 +882,6 @@ int stat(const char *pathname, struct stat *st);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_msp432.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_MSP432_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_MSP432_H_
@@ -1082,22 +986,6 @@ int _stat(const char *pathname, struct stat *st);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_tm4c129.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_TM4C129_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_TM4C129_H_
@@ -1154,22 +1042,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_mbed.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_MBED_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_MBED_H_
@@ -1250,22 +1122,6 @@ in_addr_t inet_addr(const char *cp);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_nrf51.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 #ifndef CS_COMMON_PLATFORMS_PLATFORM_NRF51_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_NRF51_H_
 #if CS_PLATFORM == CS_P_NRF51
@@ -1307,22 +1163,6 @@ int gettimeofday(struct timeval *tp, void *tzp);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_nrf52.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
 #ifndef CS_COMMON_PLATFORMS_PLATFORM_NRF52_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_NRF52_H_
 #if CS_PLATFORM == CS_P_NRF52
@@ -1367,22 +1207,6 @@ int gettimeofday(struct timeval *tp, void *tzp);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/simplelink/cs_simplelink.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_SIMPLELINK_CS_SIMPLELINK_H_
 #define CS_COMMON_PLATFORMS_SIMPLELINK_CS_SIMPLELINK_H_
@@ -1750,22 +1574,6 @@ const char *strerror();
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_nxp_lpc.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_NXP_LPC_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_NXP_LPC_H_
@@ -1818,22 +1626,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_nxp_kinetis.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_NXP_KINETIS_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_NXP_KINETIS_H_
@@ -1864,22 +1656,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_pic32.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_PIC32_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_PIC32_H_
@@ -1916,22 +1692,6 @@ char *inet_ntoa(struct in_addr in);
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_rs14100.h"
 #endif
-/*
- * Copyright (c) 2014-2019 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_RS14100_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_RS14100_H_
@@ -1980,22 +1740,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/platform_stm32.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_PLATFORM_STM32_H_
 #define CS_COMMON_PLATFORMS_PLATFORM_STM32_H_
@@ -2034,22 +1778,6 @@ typedef struct stat cs_stat_t;
 #ifdef MG_MODULE_LINES
 #line 1 "common/platforms/lwip/mg_lwip.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_PLATFORMS_LWIP_MG_LWIP_H_
 #define CS_COMMON_PLATFORMS_LWIP_MG_LWIP_H_
@@ -2117,22 +1845,6 @@ void mg_lwip_set_keepalive_params(struct mg_connection *nc, int idle,
 #ifdef MG_MODULE_LINES
 #line 1 "common/cs_md5.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_MD5_H_
 #define CS_COMMON_MD5_H_
@@ -2165,22 +1877,6 @@ void cs_md5_final(unsigned char *md, cs_md5_ctx *c);
 #ifdef MG_MODULE_LINES
 #line 1 "common/cs_sha1.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_SHA1_H_
 #define CS_COMMON_SHA1_H_
@@ -2219,22 +1915,6 @@ void cs_hmac_sha1(const unsigned char *key, size_t key_len,
 #ifdef MG_MODULE_LINES
 #line 1 "common/cs_time.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_CS_TIME_H_
 #define CS_COMMON_CS_TIME_H_
@@ -2264,22 +1944,6 @@ double cs_timegm(const struct tm *tm);
 #ifdef MG_MODULE_LINES
 #line 1 "common/mg_str.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_MG_STR_H_
 #define CS_COMMON_MG_STR_H_
@@ -2351,6 +2015,11 @@ int mg_strcmp(const struct mg_str str1, const struct mg_str str2);
 */
 int mg_strncmp(const struct mg_str str1, const struct mg_str str2, size_t n);

+/*
+ * Compare two `mg_str`s ignoreing case; return value is the same as `strcmp`.
+ */
+int mg_strcasecmp(const struct mg_str str1, const struct mg_str str2);
+
 /*
 * Free the string (assuming it was heap allocated).
 */
@@ -2375,22 +2044,6 @@ int mg_str_starts_with(struct mg_str s, struct mg_str prefix);
 #ifdef MG_MODULE_LINES
 #line 1 "common/mbuf.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 /*
 * Mbufs are mutable/growing memory buffers, like C++ strings.
@@ -2489,22 +2142,6 @@ void mbuf_trim(struct mbuf *);
 #ifdef MG_MODULE_LINES
 #line 1 "common/cs_base64.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_CS_BASE64_H_
 #define CS_COMMON_CS_BASE64_H_
@@ -2558,22 +2195,6 @@ int cs_base64_decode(const unsigned char *s, int len, char *dst, int *dec_len);
 #ifdef MG_MODULE_LINES
 #line 1 "common/str_util.h"
 #endif
-/*
- * Copyright (c) 2014-2018 Cesanta Software Limited
- * All rights reserved
- *
- * Licensed under the Apache License, Version 2.0 (the ""License"");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an ""AS IS"" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */

 #ifndef CS_COMMON_STR_UTIL_H_
 #define CS_COMMON_STR_UTIL_H_
@@ -3514,10 +3135,6 @@ struct {								\
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_features.h"
 #endif
-/*
- * Copyright (c) 2014-2016 Cesanta Software Limited
- * All rights reserved
- */

 #ifndef CS_MONGOOSE_SRC_FEATURES_H_
 #define CS_MONGOOSE_SRC_FEATURES_H_
@@ -3693,10 +3310,6 @@ struct {								\
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_net_if.h"
 #endif
-/*
- * Copyright (c) 2014-2016 Cesanta Software Limited
- * All rights reserved
- */

 #ifndef CS_MONGOOSE_SRC_NET_IF_H_
 #define CS_MONGOOSE_SRC_NET_IF_H_
@@ -3827,10 +3440,6 @@ double mg_mgr_min_timer(const struct mg_mgr *mgr);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_ssl_if.h"
 #endif
-/*
- * Copyright (c) 2014-2016 Cesanta Software Limited
- * All rights reserved
- */

 #ifndef CS_MONGOOSE_SRC_SSL_IF_H_
 #define CS_MONGOOSE_SRC_SSL_IF_H_
@@ -3844,7 +3453,7 @@ extern "C" {
 struct mg_ssl_if_ctx;
 struct mg_connection;

-void mg_ssl_if_init();
+void mg_ssl_if_init(void);

 enum mg_ssl_if_result {
  MG_SSL_OK = 0,
@@ -3885,22 +3494,6 @@ int mg_ssl_if_write(struct mg_connection *nc, const void *data, size_t len);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_net.h"
 #endif
-/*
- * 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 <https://www.cesanta.com/license>.
- */

 /*
 * === Core API: TCP/UDP/SSL
@@ -3997,9 +3590,6 @@ struct mg_connection {
  struct mbuf send_mbuf;   /* Data scheduled for sending */
  time_t last_io_time;     /* Timestamp of the last socket IO */
  double ev_timer_time;    /* Timestamp of the future MG_EV_TIMER */
-#if MG_ENABLE_SSL
-  void *ssl_if_data; /* SSL library data. */
-#endif
  mg_event_handler_t proto_handler; /* Protocol-specific event handler */
  void *proto_data;                 /* Protocol-specific data */
  void (*proto_data_destructor)(void *proto_data);
@@ -4032,16 +3622,25 @@ struct mg_connection {
 /* Flags that are settable by user */
 #define MG_F_SEND_AND_CLOSE (1 << 10)      /* Push remaining data and close  */
 #define MG_F_CLOSE_IMMEDIATELY (1 << 11)   /* Disconnect */
-#define MG_F_WEBSOCKET_NO_DEFRAG (1 << 12) /* Websocket specific */
-#define MG_F_DELETE_CHUNK (1 << 13)        /* HTTP specific */
+
+/* Flags for protocol handlers */
+#define MG_F_PROTO_1 (1 << 12)
+#define MG_F_PROTO_2 (1 << 13)
 #define MG_F_ENABLE_BROADCAST (1 << 14)    /* Allow broadcast address usage */

-#define MG_F_USER_1 (1 << 20) /* Flags left for application */
+/* Flags left for application */
+#define MG_F_USER_1 (1 << 20)
 #define MG_F_USER_2 (1 << 21)
 #define MG_F_USER_3 (1 << 22)
 #define MG_F_USER_4 (1 << 23)
 #define MG_F_USER_5 (1 << 24)
 #define MG_F_USER_6 (1 << 25)
+
+#if MG_ENABLE_SSL
+  void *ssl_if_data; /* SSL library data. */
+#else
+  void *unused_ssl_if_data; /* To keep the size of the structure the same. */
+#endif
 };

 /*
@@ -4481,10 +4080,6 @@ double mg_time(void);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_uri.h"
 #endif
-/*
- * Copyright (c) 2014 Cesanta Software Limited
- * All rights reserved
- */

 /*
 * === URI
@@ -4551,10 +4146,6 @@ int mg_normalize_uri_path(const struct mg_str *in, struct mg_str *out);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_util.h"
 #endif
-/*
- * Copyright (c) 2014 Cesanta Software Limited
- * All rights reserved
- */

 /*
 * === Utility API
@@ -4769,10 +4360,6 @@ struct mg_str mg_url_encode(const struct mg_str src);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_http.h"
 #endif
-/*
- * Copyright (c) 2014 Cesanta Software Limited
- * All rights reserved
- */

 /*
 * === Common API reference
@@ -4783,8 +4370,8 @@ struct mg_str mg_url_encode(const struct mg_str src);

 #if MG_ENABLE_HTTP

-/* Amalgamated: #include "mg_net.h" */
 /* Amalgamated: #include "common/mg_str.h" */
+/* Amalgamated: #include "mg_net.h" */

 #ifdef __cplusplus
 extern "C" {
@@ -4891,6 +4478,9 @@ struct mg_ssi_call_ctx {
 #define MG_EV_HTTP_MULTIPART_REQUEST_END 125
 #endif

+#define MG_F_WEBSOCKET_NO_DEFRAG MG_F_PROTO_1
+#define MG_F_DELETE_CHUNK MG_F_PROTO_2
+
 /*
 * Attaches a built-in HTTP event handler to the given connection.
 * The user-defined event handler will receive following extra events:
@@ -5775,22 +5365,6 @@ int mg_http_create_digest_auth_header(char *buf, size_t buf_len,
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_mqtt.h"
 #endif
-/*
- * 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 <https://www.cesanta.com/license>.
- */

 /*
 * === MQTT API reference
@@ -5878,10 +5452,10 @@ struct mg_mqtt_proto_data {

 /* Message flags */
 #define MG_MQTT_RETAIN 0x1
-#define MG_MQTT_DUP 0x4
 #define MG_MQTT_QOS(qos) ((qos) << 1)
 #define MG_MQTT_GET_QOS(flags) (((flags) &0x6) >> 1)
 #define MG_MQTT_SET_QOS(flags, qos) (flags) = ((flags) & ~0x6) | ((qos) << 1)
+#define MG_MQTT_DUP 0x8

 /* Connection flags */
 #define MG_MQTT_CLEAN_SESSION 0x02
@@ -6006,22 +5580,6 @@ int mg_mqtt_vmatch_topic_expression(const char *exp, struct mg_str topic);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_mqtt_server.h"
 #endif
-/*
- * 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 <https://www.cesanta.com/license>.
- */

 /*
 * === MQTT Server API reference
@@ -6113,10 +5671,6 @@ struct mg_mqtt_session *mg_mqtt_next(struct mg_mqtt_broker *brk,
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_dns.h"
 #endif
-/*
- * Copyright (c) 2014 Cesanta Software Limited
- * All rights reserved
- */

 /*
 * === DNS API reference
@@ -6239,6 +5793,7 @@ int mg_dns_encode_record(struct mbuf *io, struct mg_dns_resource_record *rr,
 * Encodes a DNS name.
 */
 int mg_dns_encode_name(struct mbuf *io, const char *name, size_t len);
+int mg_dns_encode_name_s(struct mbuf *io, struct mg_str name);

 /* Low-level: parses a DNS response. */
 int mg_parse_dns(const char *buf, int len, struct mg_dns_message *msg);
@@ -6280,10 +5835,6 @@ void mg_set_protocol_dns(struct mg_connection *nc);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_dns_server.h"
 #endif
-/*
- * Copyright (c) 2014 Cesanta Software Limited
- * All rights reserved
- */

 /*
 * === DNS server API reference
@@ -6377,10 +5928,6 @@ void mg_dns_send_reply(struct mg_connection *nc, struct mg_dns_reply *r);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_resolv.h"
 #endif
-/*
- * Copyright (c) 2014 Cesanta Software Limited
- * All rights reserved
- */

 /*
 * === API reference
@@ -6461,22 +6008,6 @@ int mg_resolve_from_hosts_file(const char *host, union socket_address *usa);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_coap.h"
 #endif
-/*
- * Copyright (c) 2015 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 <https://www.cesanta.com/license>.
- */

 /*
 * === CoAP API reference
@@ -6629,10 +6160,6 @@ uint32_t mg_coap_compose(struct mg_coap_message *cm, struct mbuf *io);
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_sntp.h"
 #endif
-/*
- * Copyright (c) 2016 Cesanta Software Limited
- * All rights reserved
- */

 #ifndef CS_MONGOOSE_SRC_SNTP_H_
 #define CS_MONGOOSE_SRC_SNTP_H_
@@ -6686,10 +6213,6 @@ struct mg_connection *mg_sntp_get_time(struct mg_mgr *mgr,
 #ifdef MG_MODULE_LINES
 #line 1 "mongoose/src/mg_socks.h"
 #endif
-/*
- * Copyright (c) 2017 Cesanta Software Limited
- * All rights reserved
- */

 #ifndef CS_MONGOOSE_SRC_SOCKS_H_
 #define CS_MONGOOSE_SRC_SOCKS_H_
@@ -50,7 +50,7 @@
 #include <windows.h>
 #include <process.h>

-#if _MSC_VER < 1700
+#if defined(_MSC_VER) && (_MSC_VER < 1700)
 typedef int bool;
 #else
 #include <stdbool.h>
@@ -1,26 +1,7 @@
-/*
- * Copyright (c) 2004-2013 Sergey Lyubka
- * Copyright (c) 2013-2015 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 <https://www.cesanta.com/license>.
- */
-
 #ifndef CS_MONGOOSE_SRC_COMMON_H_
 #define CS_MONGOOSE_SRC_COMMON_H_

-#define MG_VERSION "6.15"
+#define MG_VERSION "6.17"

 /* Local tweaks, applied before any of Mongoose's own headers. */
 #ifdef MG_LOCALS
@@ -85,35 +85,39 @@ int mg_dns_copy_questions(struct mbuf *io, struct mg_dns_message *msg) {
  return mbuf_append(io, begin, end - begin);
 }

-int mg_dns_encode_name(struct mbuf *io, const char *name, size_t len) {
+int mg_dns_encode_name_s(struct mbuf *io, struct mg_str name) {
  const char *s;
  unsigned char n;
  size_t pos = io->len;

  do {
-    if ((s = strchr(name, '.')) == NULL) {
-      s = name + len;
+    if ((s = mg_strchr(name, '.')) == NULL) {
+      s = name.p + name.len;
    }

-    if (s - name > 127) {
+    if (s - name.p > 127) {
      return -1; /* TODO(mkm) cover */
    }
-    n = s - name;           /* chunk length */
+    n = s - name.p;         /* chunk length */
    mbuf_append(io, &n, 1); /* send length */
-    mbuf_append(io, name, n);
+    mbuf_append(io, name.p, n);

-    if (*s == '.') {
+    if (n < name.len && *s == '.') {
      n++;
    }

-    name += n;
-    len -= n;
-  } while (*s != '\0');
+    name.p += n;
+    name.len -= n;
+  } while (name.len > 0);
  mbuf_append(io, "\0", 1); /* Mark end of host name */

  return io->len - pos;
 }

+int mg_dns_encode_name(struct mbuf *io, const char *name, size_t len) {
+  return mg_dns_encode_name_s(io, mg_mk_str_n(name, len));
+}
+
 int mg_dns_encode_record(struct mbuf *io, struct mg_dns_resource_record *rr,
                         const char *name, size_t nlen, const void *rdata,
                         size_t rlen) {
@@ -124,6 +124,7 @@ int mg_dns_encode_record(struct mbuf *io, struct mg_dns_resource_record *rr,
 * Encodes a DNS name.
 */
 int mg_dns_encode_name(struct mbuf *io, const char *name, size_t len);
+int mg_dns_encode_name_s(struct mbuf *io, struct mg_str name);

 /* Low-level: parses a DNS response. */
 int mg_parse_dns(const char *buf, int len, struct mg_dns_message *msg);
@@ -236,7 +236,7 @@ static void mg_http_free_proto_data_endpoints(struct mg_http_endpoint **ep) {
    current = tmp;
  }

-  ep = NULL;
+  *ep = NULL;
 }

 static void mg_http_free_reverse_proxy_data(struct mg_reverse_proxy_data *rpd) {
@@ -328,37 +328,53 @@ static const struct {
    MIME_ENTRY("asf", "video/x-ms-asf"),
    MIME_ENTRY("avi", "video/x-msvideo"),
    MIME_ENTRY("bmp", "image/bmp"),
-    {NULL, 0, NULL}};
+    {NULL, 0, NULL},
+};

-static struct mg_str mg_get_mime_type(const char *path, const char *dflt,
-                                      const struct mg_serve_http_opts *opts) {
+static struct mg_str mg_get_mime_types_entry(struct mg_str path) {
+  size_t i;
+  for (i = 0; mg_static_builtin_mime_types[i].extension != NULL; i++) {
+    if (path.len < mg_static_builtin_mime_types[i].ext_len + 1) continue;
+    struct mg_str ext = MG_MK_STR_N(mg_static_builtin_mime_types[i].extension,
+                                    mg_static_builtin_mime_types[i].ext_len);
+    struct mg_str pext = MG_MK_STR_N(path.p + (path.len - ext.len), ext.len);
+    if (pext.p[-1] == '.' && mg_strcasecmp(ext, pext) == 0) {
+      return mg_mk_str(mg_static_builtin_mime_types[i].mime_type);
+    }
+  }
+  return mg_mk_str(NULL);
+}
+
+MG_INTERNAL int mg_get_mime_type_encoding(
+    struct mg_str path, struct mg_str *type, struct mg_str *encoding,
+    const struct mg_serve_http_opts *opts) {
  const char *ext, *overrides;
-  size_t i, path_len;
-  struct mg_str r, k, v;
-
-  path_len = strlen(path);
+  struct mg_str k, v;

  overrides = opts->custom_mime_types;
  while ((overrides = mg_next_comma_list_entry(overrides, &k, &v)) != NULL) {
-    ext = path + (path_len - k.len);
-    if (path_len > k.len && mg_vcasecmp(&k, ext) == 0) {
-      return v;
+    ext = path.p + (path.len - k.len);
+    if (path.len > k.len && mg_vcasecmp(&k, ext) == 0) {
+      *type = v;
+      return 1;
    }
  }

-  for (i = 0; mg_static_builtin_mime_types[i].extension != NULL; i++) {
-    ext = path + (path_len - mg_static_builtin_mime_types[i].ext_len);
-    if (path_len > mg_static_builtin_mime_types[i].ext_len && ext[-1] == '.' &&
-        mg_casecmp(ext, mg_static_builtin_mime_types[i].extension) == 0) {
-      r.p = mg_static_builtin_mime_types[i].mime_type;
-      r.len = strlen(r.p);
-      return r;
+  *type = mg_get_mime_types_entry(path);
+
+  /* Check for .html.gz, .js.gz, etc. */
+  if (mg_vcmp(type, "application/x-gunzip") == 0) {
+    struct mg_str path2 = mg_mk_str_n(path.p, path.len - 3);
+    struct mg_str type2 = mg_get_mime_types_entry(path2);
+    LOG(LL_ERROR, ("'%.*s' '%.*s' '%.*s'", (int) path.len, path.p,
+                   (int) path2.len, path2.p, (int) type2.len, type2.p));
+    if (type2.len > 0) {
+      *type = type2;
+      *encoding = mg_mk_str("gzip");
    }
  }

-  r.p = dflt;
-  r.len = strlen(r.p);
-  return r;
+  return (type->len > 0);
 }
 #endif

@@ -1458,12 +1474,15 @@ static int mg_http_parse_range_header(const struct mg_str *header, int64_t *a,
  return result;
 }

-void mg_http_serve_file(struct mg_connection *nc, struct http_message *hm,
-                        const char *path, const struct mg_str mime_type,
-                        const struct mg_str extra_headers) {
+void mg_http_serve_file_internal(struct mg_connection *nc,
+                                 struct http_message *hm, const char *path,
+                                 struct mg_str mime_type,
+                                 struct mg_str encoding,
+                                 struct mg_str extra_headers) {
  struct mg_http_proto_data *pd = mg_http_get_proto_data(nc);
  cs_stat_t st;
-  LOG(LL_DEBUG, ("%p [%s] %.*s", nc, path, (int) mime_type.len, mime_type.p));
+  LOG(LL_DEBUG, ("%p [%s] %.*s %.*s", nc, path, (int) mime_type.len,
+                 mime_type.p, (int) encoding.len, encoding.p));
  if (mg_stat(path, &st) != 0 || (pd->file.fp = mg_fopen(path, "rb")) == NULL) {
    int code, err = mg_get_errno();
    switch (err) {
@@ -1502,8 +1521,9 @@ void mg_http_serve_file(struct mg_connection *nc, struct http_message *hm,
      } else {
        status_code = 206;
        cl = r2 - r1 + 1;
-        snprintf(range, sizeof(range), "Content-Range: bytes %" INT64_FMT
-                                       "-%" INT64_FMT "/%" INT64_FMT "\r\n",
+        snprintf(range, sizeof(range),
+                 "Content-Range: bytes %" INT64_FMT "-%" INT64_FMT
+                 "/%" INT64_FMT "\r\n",
                 r1, r1 + cl - 1, (int64_t) st.st_size);
 #if _FILE_OFFSET_BITS == 64 || _POSIX_C_SOURCE >= 200112L || \
    _XOPEN_SOURCE >= 600
@@ -1528,13 +1548,6 @@ void mg_http_serve_file(struct mg_connection *nc, struct http_message *hm,
    mg_http_construct_etag(etag, sizeof(etag), &st);
    mg_gmt_time_string(current_time, sizeof(current_time), &t);
    mg_gmt_time_string(last_modified, sizeof(last_modified), &st.st_mtime);
-    /*
-     * Content length casted to size_t because:
-     * 1) that's the maximum buffer size anyway
-     * 2) ESP8266 RTOS SDK newlib vprintf cannot contain a 64bit arg at non-last
-     *    position
-     * TODO(mkm): fix ESP8266 RTOS SDK
-     */
    mg_send_response_line_s(nc, status_code, extra_headers);
    mg_printf(nc,
              "Date: %s\r\n"
@@ -1544,17 +1557,29 @@ void mg_http_serve_file(struct mg_connection *nc, struct http_message *hm,
              "Connection: %s\r\n"
              "Content-Length: %" SIZE_T_FMT
              "\r\n"
-              "%sEtag: %s\r\n\r\n",
+              "%s"
+              "Etag: %s\r\n",
              current_time, last_modified, (int) mime_type.len, mime_type.p,
              (pd->file.keepalive ? "keep-alive" : "close"), (size_t) cl, range,
              etag);
-
+    if (encoding.len > 0) {
+      mg_printf(nc, "Content-Encoding: %.*s\r\n", (int) encoding.len,
+                encoding.p);
+    }
+    mg_send(nc, "\r\n", 2);
    pd->file.cl = cl;
    pd->file.type = DATA_FILE;
    mg_http_transfer_file_data(nc);
  }
 }

+void mg_http_serve_file(struct mg_connection *nc, struct http_message *hm,
+                        const char *path, const struct mg_str mime_type,
+                        const struct mg_str extra_headers) {
+  mg_http_serve_file_internal(nc, hm, path, mime_type, mg_mk_str(NULL),
+                              extra_headers);
+}
+
 static void mg_http_serve_file2(struct mg_connection *nc, const char *path,
                                struct http_message *hm,
                                struct mg_serve_http_opts *opts) {
@@ -1564,8 +1589,12 @@ static void mg_http_serve_file2(struct mg_connection *nc, const char *path,
    return;
  }
 #endif
-  mg_http_serve_file(nc, hm, path, mg_get_mime_type(path, "text/plain", opts),
-                     mg_mk_str(opts->extra_headers));
+  struct mg_str type = MG_NULL_STR, encoding = MG_NULL_STR;
+  if (!mg_get_mime_type_encoding(mg_mk_str(path), &type, &encoding, opts)) {
+    type = mg_mk_str("text/plain");
+  }
+  mg_http_serve_file_internal(nc, hm, path, type, encoding,
+                              mg_mk_str(opts->extra_headers));
 }

 #endif
@@ -1841,7 +1870,7 @@ void cs_md5(char buf[33], ...) {
  va_list ap;

  va_start(ap, buf);
-  while ((p = va_arg(ap, const unsigned char *) ) != NULL) {
+  while ((p = va_arg(ap, const unsigned char *)) != NULL) {
    msgs[num_msgs] = p;
    msg_lens[num_msgs] = va_arg(ap, size_t);
    num_msgs++;
@@ -2073,7 +2102,7 @@ static void mg_print_dir_entry(struct mg_connection *nc, const char *file_name,
  href = mg_url_encode(mg_mk_str(file_name));
  mg_printf_http_chunk(nc,
                       "<tr><td><a href=\"%s%s\">%s%s</a></td>"
-                       "<td>%s</td><td name=%" INT64_FMT ">%s</td></tr>\n",
+                       "<td>%s</td><td name=\"%" INT64_FMT "\">%s</td></tr>",
                       href.p, slash, path, slash, mod, is_dir ? -1 : fsize,
                       size);
  free((void *) href.p);
@@ -2139,23 +2168,24 @@ static void mg_send_directory_listing(struct mg_connection *nc, const char *dir,

  mg_printf_http_chunk(
      nc,
-      "<html><head><title>Index of %.*s</title>%s%s"
+      "<!DOCTYPE html><html><head><title>Index of %.*s</title>%s%s"
      "<style>th,td {text-align: left; padding-right: 1em; "
-      "font-family: monospace; }</style></head>\n"
-      "<body><h1>Index of %.*s</h1>\n<table cellpadding=0><thead>"
-      "<tr><th><a href=# rel=0>Name</a></th><th>"
-      "<a href=# rel=1>Modified</a</th>"
-      "<th><a href=# rel=2>Size</a></th></tr>"
-      "<tr><td colspan=3><hr></td></tr>\n"
-      "</thead>\n"
-      "<tbody id=tb>",
+      "font-family: monospace; }</style></head>"
+      "<body><h1>Index of %.*s</h1><table cellpadding=\"0\"><thead>"
+      "<tr><th><a href=\"#\" rel=\"0\">Name</a></th><th>"
+      "<a href=\"#\" rel=\"1\">Modified</a></th>"
+      "<th><a href=\"#\" rel=\"2\">Size</a></th></tr>"
+      "<tr><td colspan=\"3\"><hr></td></tr>"
+      "</thead>"
+      "<tbody id=\"tb\">",
      (int) hm->uri.len, hm->uri.p, sort_js_code, sort_js_code2,
      (int) hm->uri.len, hm->uri.p);
  mg_scan_directory(nc, dir, opts, mg_print_dir_entry);
  mg_printf_http_chunk(nc,
-                       "</tbody><tr><td colspan=3><hr></td></tr>\n"
-                       "</table>\n"
-                       "<address>%s</address>\n"
+                       "</tbody>"
+                       "<tfoot><tr><td colspan=\"3\"><hr></td></tr></tfoot>"
+                       "</table>"
+                       "<address>%s</address>"
                       "</body></html>",
                       mg_version_header);
  mg_send_http_chunk(nc, "", 0);
@@ -2472,13 +2502,13 @@ MG_INTERNAL int mg_uri_to_local_path(struct http_message *hm,
          *p++ = DIRSEP;
          /* No NULs and DIRSEPs in the component (percent-encoded). */
          for (i = 0; i < component.len; i++, p++) {
-            if (*p == '\0' || *p == DIRSEP
+            if (*p == '\0' ||
+                *p == DIRSEP
 #ifdef _WIN32
                /* On Windows, "/" is also accepted, so check for that too. */
-                ||
-                *p == '/'
+                || *p == '/'
 #endif
-                ) {
+            ) {
              ok = 0;
              break;
            }
@@ -2691,7 +2721,9 @@ MG_INTERNAL void mg_send_http_file(struct mg_connection *nc, char *path,
    mg_http_send_error(nc, 501, NULL);
 #endif
  } else if (mg_is_not_modified(hm, &st)) {
-    mg_http_send_error(nc, 304, "Not Modified");
+    /* Note: not using mg_http_send_error in order to keep connection alive */
+    /* Note: passing extra headers allow users to control session cookies */
+    mg_send_head(nc, 304, 0, opts->extra_headers);
  } else {
    mg_http_serve_file2(nc, index_file ? index_file : path, hm, opts);
  }
@@ -2824,7 +2856,7 @@ void mg_file_upload_handler(struct mg_connection *nc, int ev, void *ev_data,
 #ifdef SPIFFS_ERR_FULL
            || mg_get_errno() == SPIFFS_ERR_FULL
 #endif
-            ) {
+        ) {
          mg_printf(nc,
                    "HTTP/1.1 413 Payload Too Large\r\n"
                    "Content-Type: text/plain\r\n"
@@ -2983,8 +3015,9 @@ struct mg_connection *mg_connect_http_opt(
  if (path.len == 0) path = mg_mk_str("/");
  if (host.len == 0) host = mg_mk_str("");

-  mg_printf(nc, "%s %.*s HTTP/1.1\r\nHost: %.*s\r\nContent-Length: %" SIZE_T_FMT
-                "\r\n%.*s%s\r\n%s",
+  mg_printf(nc,
+            "%s %.*s HTTP/1.1\r\nHost: %.*s\r\nContent-Length: %" SIZE_T_FMT
+            "\r\n%.*s%s\r\n%s",
            (post_data[0] == '\0' ? "GET" : "POST"), (int) path.len, path.p,
            (int) (path.p - host.p), host.p, strlen(post_data), (int) auth.len,
            (auth.buf == NULL ? "" : auth.buf), extra_headers, post_data);
@@ -3093,7 +3126,7 @@ static void mg_http_call_endpoint_handler(struct mg_connection *nc, int ev,
 #if MG_ENABLE_HTTP_STREAMING_MULTIPART
      || ev == MG_EV_HTTP_MULTIPART_REQUEST
 #endif
-      ) {
+  ) {
    struct mg_http_endpoint *ep =
        mg_http_get_endpoint_handler(nc->listener, &hm->uri);
    if (ep != NULL) {
@@ -12,8 +12,8 @@

 #if MG_ENABLE_HTTP

-#include "mg_net.h"
 #include "common/mg_str.h"
+#include "mg_net.h"

 #ifdef __cplusplus
 extern "C" {
@@ -120,6 +120,9 @@ struct mg_ssi_call_ctx {
 #define MG_EV_HTTP_MULTIPART_REQUEST_END 125
 #endif

+#define MG_F_WEBSOCKET_NO_DEFRAG MG_F_PROTO_1
+#define MG_F_DELETE_CHUNK MG_F_PROTO_2
+
 /*
 * Attaches a built-in HTTP event handler to the given connection.
 * The user-defined event handler will receive following extra events:
@@ -170,7 +170,7 @@ MG_INTERNAL void mg_handle_ssi_request(struct mg_connection *nc,
                                       const char *path,
                                       const struct mg_serve_http_opts *opts) {
  FILE *fp;
-  struct mg_str mime_type;
+  struct mg_str mime_type = MG_NULL_STR, encoding = MG_NULL_STR;
  DBG(("%p %s", nc, path));

  if ((fp = mg_fopen(path, "rb")) == NULL) {
@@ -178,12 +178,20 @@ MG_INTERNAL void mg_handle_ssi_request(struct mg_connection *nc,
  } else {
    mg_set_close_on_exec((sock_t) fileno(fp));

-    mime_type = mg_get_mime_type(path, "text/plain", opts);
+    if (!mg_get_mime_type_encoding(mg_mk_str(path), &mime_type, &encoding,
+                                   opts)) {
+      mime_type = mg_mk_str("text/plain");
+    }
    mg_send_response_line(nc, 200, opts->extra_headers);
    mg_printf(nc,
              "Content-Type: %.*s\r\n"
-              "Connection: close\r\n\r\n",
+              "Connection: close\r\n",
              (int) mime_type.len, mime_type.p);
+    if (encoding.len > 0) {
+      mg_printf(nc, "Content-Encoding: %.*s\r\n", (int) encoding.len,
+                encoding.p);
+    }
+    mg_send(nc, "\r\n", 2);
    mg_send_ssi_file(nc, hm, path, fp, 0, opts);
    fclose(fp);
    nc->flags |= MG_F_SEND_AND_CLOSE;
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2004-2013 Sergey Lyubka
+ * Copyright (c) 2013-2020 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 <https://www.cesanta.com/license>.
+ */
@@ -10,6 +10,8 @@
 #include "mg_internal.h"
 #include "mg_mqtt.h"

+#define MG_F_MQTT_PING_PENDING MG_F_PROTO_1
+
 static uint16_t getu16(const char *p) {
  const uint8_t *up = (const uint8_t *) p;
  return (up[0] << 8) + up[1];
@@ -23,7 +25,7 @@ static const char *scanto(const char *p, struct mg_str *s) {

 MG_INTERNAL int parse_mqtt(struct mbuf *io, struct mg_mqtt_message *mm) {
  uint8_t header;
-  size_t len = 0, len_len = 0;
+  uint32_t len, len_len; /* must be 32-bit, see #1055 */
  const char *p, *end, *eop = &io->buf[io->len];
  unsigned char lc = 0;
  int cmd;
@@ -40,7 +42,7 @@ MG_INTERNAL int parse_mqtt(struct mbuf *io, struct mg_mqtt_message *mm) {
    len += (lc & 0x7f) << 7 * len_len;
    len_len++;
    if (!(lc & 0x80)) break;
-    if (len_len > 4) return MG_MQTT_ERROR_MALFORMED_MSG;
+    if (len_len > sizeof(len)) return MG_MQTT_ERROR_MALFORMED_MSG;
  }

  end = p + len;
@@ -172,6 +174,10 @@ static void mqtt_handler(struct mg_connection *nc, int ev,
          }
          break;
        }
+        if (mm.cmd == MG_MQTT_CMD_PINGRESP) {
+          LOG(LL_DEBUG, ("Recv PINGRESP"));
+          nc->flags &= ~MG_F_MQTT_PING_PENDING;
+        }

        nc->handler(nc, MG_MQTT_EVENT_BASE + mm.cmd, &mm MG_UD_ARG(user_data));
        mbuf_remove(io, len);
@@ -182,10 +188,26 @@ static void mqtt_handler(struct mg_connection *nc, int ev,
      struct mg_mqtt_proto_data *pd =
          (struct mg_mqtt_proto_data *) nc->proto_data;
      double now = mg_time();
-      if (pd->keep_alive > 0 && pd->last_control_time > 0 &&
-          (now - pd->last_control_time) > pd->keep_alive) {
-        LOG(LL_DEBUG, ("Send PINGREQ"));
-        mg_mqtt_ping(nc);
+      if (pd->keep_alive > 0 && pd->last_control_time > 0) {
+        double diff = (now - pd->last_control_time);
+        if (diff > pd->keep_alive) {
+          if (diff < 1500000000) {
+            if (!(nc->flags & MG_F_MQTT_PING_PENDING)) {
+              LOG(LL_DEBUG, ("Send PINGREQ"));
+              nc->flags |= MG_F_MQTT_PING_PENDING;
+              mg_mqtt_ping(nc);
+            } else {
+              LOG(LL_DEBUG, ("Ping timeout"));
+              nc->flags |= MG_F_CLOSE_IMMEDIATELY;
+            }
+          } else {
+            /* Wall time has just been set. Avoid immediate ping,
+             * more likely than not it is not needed. The standard allows for
+             * 1.5X interval for ping requests, so even if were just about to
+             * send one, we should be ok waiting 0.4X more. */
+            pd->last_control_time = now - pd->keep_alive * 0.6;
+          }
+        }
      }
      break;
    }
@@ -101,10 +101,10 @@ struct mg_mqtt_proto_data {

 /* Message flags */
 #define MG_MQTT_RETAIN 0x1
-#define MG_MQTT_DUP 0x4
 #define MG_MQTT_QOS(qos) ((qos) << 1)
 #define MG_MQTT_GET_QOS(flags) (((flags) &0x6) >> 1)
 #define MG_MQTT_SET_QOS(flags, qos) (flags) = ((flags) & ~0x6) | ((qos) << 1)
+#define MG_MQTT_DUP 0x8

 /* Connection flags */
 #define MG_MQTT_CLEAN_SESSION 0x02
@@ -540,7 +540,7 @@ struct mg_connection *mg_if_accept_new_conn(struct mg_connection *lc) {
  nc->iface = lc->iface;
  if (lc->flags & MG_F_SSL) nc->flags |= MG_F_SSL;
  mg_add_conn(nc->mgr, nc);
-  LOG(LL_DEBUG, ("%p %p %d %d", lc, nc, nc->sock, (int) nc->flags));
+  LOG(LL_DEBUG, ("%p %p %d %#x", lc, nc, (int) nc->sock, (int) nc->flags));
  return nc;
 }

@@ -110,9 +110,6 @@ struct mg_connection {
  struct mbuf send_mbuf;   /* Data scheduled for sending */
  time_t last_io_time;     /* Timestamp of the last socket IO */
  double ev_timer_time;    /* Timestamp of the future MG_EV_TIMER */
-#if MG_ENABLE_SSL
-  void *ssl_if_data; /* SSL library data. */
-#endif
  mg_event_handler_t proto_handler; /* Protocol-specific event handler */
  void *proto_data;                 /* Protocol-specific data */
  void (*proto_data_destructor)(void *proto_data);
@@ -145,16 +142,25 @@ struct mg_connection {
 /* Flags that are settable by user */
 #define MG_F_SEND_AND_CLOSE (1 << 10)      /* Push remaining data and close  */
 #define MG_F_CLOSE_IMMEDIATELY (1 << 11)   /* Disconnect */
-#define MG_F_WEBSOCKET_NO_DEFRAG (1 << 12) /* Websocket specific */
-#define MG_F_DELETE_CHUNK (1 << 13)        /* HTTP specific */
+
+/* Flags for protocol handlers */
+#define MG_F_PROTO_1 (1 << 12)
+#define MG_F_PROTO_2 (1 << 13)
 #define MG_F_ENABLE_BROADCAST (1 << 14)    /* Allow broadcast address usage */

-#define MG_F_USER_1 (1 << 20) /* Flags left for application */
+/* Flags left for application */
+#define MG_F_USER_1 (1 << 20)
 #define MG_F_USER_2 (1 << 21)
 #define MG_F_USER_3 (1 << 22)
 #define MG_F_USER_4 (1 << 23)
 #define MG_F_USER_5 (1 << 24)
 #define MG_F_USER_6 (1 << 25)
+
+#if MG_ENABLE_SSL
+  void *ssl_if_data; /* SSL library data. */
+#else
+  void *unused_ssl_if_data; /* To keep the size of the structure the same. */
+#endif
 };

 /*
@@ -47,8 +47,8 @@ void mg_socket_if_connect_tcp(struct mg_connection *nc,
 #endif
  rc = connect(nc->sock, &sa->sa, sizeof(sa->sin));
  nc->err = rc < 0 && mg_is_error() ? mg_get_errno() : 0;
-  DBG(("%p sock %d rc %d errno %d err %d", nc, nc->sock, rc, mg_get_errno(),
-       nc->err));
+  DBG(("%p sock %d rc %d errno %d err %d", nc, (int) nc->sock, rc,
+      mg_get_errno(), nc->err));
 }

 void mg_socket_if_connect_udp(struct mg_connection *nc) {
@@ -218,8 +218,8 @@ void mg_mgr_handle_conn(struct mg_connection *nc, int fd_flags, double now) {
  int worth_logging =
      fd_flags != 0 || (nc->flags & (MG_F_WANT_READ | MG_F_WANT_WRITE));
  if (worth_logging) {
-    DBG(("%p fd=%d fd_flags=%d nc_flags=0x%lx rmbl=%d smbl=%d", nc, nc->sock,
-         fd_flags, nc->flags, (int) nc->recv_mbuf.len,
+    DBG(("%p fd=%d fd_flags=%d nc_flags=0x%lx rmbl=%d smbl=%d", nc,
+         (int) nc->sock, fd_flags, nc->flags, (int) nc->recv_mbuf.len,
         (int) nc->send_mbuf.len));
  }

@@ -271,7 +271,7 @@ void mg_mgr_handle_conn(struct mg_connection *nc, int fd_flags, double now) {
  if (fd_flags & _MG_F_FD_CAN_WRITE) mg_if_can_send_cb(nc);

  if (worth_logging) {
-    DBG(("%p after fd=%d nc_flags=0x%lx rmbl=%d smbl=%d", nc, nc->sock,
+    DBG(("%p after fd=%d nc_flags=0x%lx rmbl=%d smbl=%d", nc, (int) nc->sock,
         nc->flags, (int) nc->recv_mbuf.len, (int) nc->send_mbuf.len));
  }
 }
@@ -279,8 +279,7 @@ void mg_mgr_handle_conn(struct mg_connection *nc, int fd_flags, double now) {
 #if MG_ENABLE_BROADCAST
 static void mg_mgr_handle_ctl_sock(struct mg_mgr *mgr) {
  struct ctl_msg ctl_msg;
-  int len =
-      (int) MG_RECV_FUNC(mgr->ctl[1], (char *) &ctl_msg, sizeof(ctl_msg), 0);
+  int len = (int) MG_RECV_FUNC(mgr->ctl[1], (char *) &ctl_msg, sizeof(ctl_msg), 0);
  size_t dummy = MG_SEND_FUNC(mgr->ctl[1], ctl_msg.message, 1, 0);
  DBG(("read %d from ctl socket", len));
  (void) dummy; /* https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25509 */
@@ -299,7 +298,7 @@ void mg_socket_if_sock_set(struct mg_connection *nc, sock_t sock) {
  mg_set_non_blocking_mode(sock);
  mg_set_close_on_exec(sock);
  nc->sock = sock;
-  DBG(("%p %d", nc, sock));
+  DBG(("%p %d", nc, (int) sock));
 }

 void mg_socket_if_init(struct mg_iface *iface) {
@@ -15,7 +15,7 @@ extern "C" {
 struct mg_ssl_if_ctx;
 struct mg_connection;

-void mg_ssl_if_init();
+void mg_ssl_if_init(void);

 enum mg_ssl_if_result {
  MG_SSL_OK = 0,
@@ -44,7 +44,11 @@ struct mg_ssl_if_ctx {
  mbedtls_ssl_context *ssl;
  mbedtls_x509_crt *cert;
  mbedtls_pk_context *key;
+#ifdef MBEDTLS_X509_CA_CHAIN_ON_DISK
+  char *ca_chain_file;
+#else
  mbedtls_x509_crt *ca_cert;
+#endif
  struct mbuf cipher_suites;
  size_t saved_len;
 };
@@ -52,7 +56,7 @@ struct mg_ssl_if_ctx {
 /* Must be provided by the platform. ctx is struct mg_connection. */
 extern int mg_ssl_if_mbed_random(void *ctx, unsigned char *buf, size_t len);

-void mg_ssl_if_init() {
+void mg_ssl_if_init(void) {
  LOG(LL_INFO, ("%s", MBEDTLS_VERSION_STRING_FULL));
 }

@@ -220,18 +224,17 @@ static void mg_ssl_if_mbed_free_certs_and_keys(struct mg_ssl_if_ctx *ctx) {
    MG_FREE(ctx->key);
    ctx->key = NULL;
  }
+#ifdef MBEDTLS_X509_CA_CHAIN_ON_DISK
+  MG_FREE(ctx->ca_chain_file);
+  ctx->ca_chain_file = NULL;
+#else
  if (ctx->ca_cert != NULL) {
    mbedtls_ssl_conf_ca_chain(ctx->conf, NULL, NULL);
-#ifdef MBEDTLS_X509_CA_CHAIN_ON_DISK
-    if (ctx->conf->ca_chain_file != NULL) {
-      MG_FREE((void *) ctx->conf->ca_chain_file);
-      ctx->conf->ca_chain_file = NULL;
-    }
-#endif
    mbedtls_x509_crt_free(ctx->ca_cert);
    MG_FREE(ctx->ca_cert);
    ctx->ca_cert = NULL;
  }
+#endif
 }

 enum mg_ssl_if_result mg_ssl_if_handshake(struct mg_connection *nc) {
@@ -312,11 +315,11 @@ void mg_ssl_if_conn_free(struct mg_connection *nc) {
    mbedtls_ssl_free(ctx->ssl);
    MG_FREE(ctx->ssl);
  }
-  mg_ssl_if_mbed_free_certs_and_keys(ctx);
  if (ctx->conf != NULL) {
    mbedtls_ssl_config_free(ctx->conf);
    MG_FREE(ctx->conf);
  }
+  mg_ssl_if_mbed_free_certs_and_keys(ctx);
  mbuf_free(&ctx->cipher_suites);
  memset(ctx, 0, sizeof(*ctx));
  MG_FREE(ctx);
@@ -328,12 +331,15 @@ static enum mg_ssl_if_result mg_use_ca_cert(struct mg_ssl_if_ctx *ctx,
    mbedtls_ssl_conf_authmode(ctx->conf, MBEDTLS_SSL_VERIFY_NONE);
    return MG_SSL_OK;
  }
+#ifdef MBEDTLS_X509_CA_CHAIN_ON_DISK
+  ctx->ca_chain_file = strdup(ca_cert);
+  if (ctx->ca_chain_file == NULL) return MG_SSL_ERROR;
+  if (mbedtls_ssl_conf_ca_chain_file(ctx->conf, ctx->ca_chain_file, NULL) != 0) {
+    return MG_SSL_ERROR;
+  }
+#else
  ctx->ca_cert = (mbedtls_x509_crt *) MG_CALLOC(1, sizeof(*ctx->ca_cert));
  mbedtls_x509_crt_init(ctx->ca_cert);
-#ifdef MBEDTLS_X509_CA_CHAIN_ON_DISK
-  ca_cert = strdup(ca_cert);
-  mbedtls_ssl_conf_ca_chain_file(ctx->conf, ca_cert, NULL);
-#else
  if (mbedtls_x509_crt_parse_file(ctx->ca_cert, ca_cert) != 0) {
    return MG_SSL_ERROR;
  }
@@ -10,10 +10,13 @@
 #endif

 #include <openssl/ssl.h>
+#include <openssl/err.h>
 #ifndef KR_VERSION
 #include <openssl/tls1.h>
 #endif

+static const char *mg_default_session_id_context = "mongoose";
+
 struct mg_ssl_if_ctx {
  SSL *ssl;
  SSL_CTX *ssl_ctx;
@@ -21,7 +24,7 @@ struct mg_ssl_if_ctx {
  size_t identity_len;
 };

-void mg_ssl_if_init() {
+void mg_ssl_if_init(void) {
  SSL_library_init();
 }

@@ -75,6 +78,9 @@ enum mg_ssl_if_result mg_ssl_if_conn_init(
  SSL_CTX_set_options(ctx->ssl_ctx, SSL_OP_NO_SSLv2);
  SSL_CTX_set_options(ctx->ssl_ctx, SSL_OP_NO_SSLv3);
  SSL_CTX_set_options(ctx->ssl_ctx, SSL_OP_NO_TLSv1);
+  SSL_CTX_set_session_id_context(ctx->ssl_ctx,
+                                 (void *) mg_default_session_id_context,
+                                 strlen(mg_default_session_id_context));
 #ifdef MG_SSL_OPENSSL_NO_COMPRESSION
  SSL_CTX_set_options(ctx->ssl_ctx, SSL_OP_NO_COMPRESSION);
 #endif
@@ -132,6 +138,17 @@ static enum mg_ssl_if_result mg_ssl_if_ssl_err(struct mg_connection *nc,
                                               int res) {
  struct mg_ssl_if_ctx *ctx = (struct mg_ssl_if_ctx *) nc->ssl_if_data;
  int err = SSL_get_error(ctx->ssl, res);
+  /*
+   * We've just fetched the last error from the queue.
+   * Now we need to clear the error queue. If we do not, then the following
+   * can happen (actually reported):
+   *  - A new connection is accept()-ed with cert error (e.g. self-signed cert)
+   *  - Since all accept()-ed connections share listener's context,
+   *  - *ALL* SSL accepted connection report read error on the next poll cycle.
+   *    Thus a single errored connection can close all the rest, unrelated ones.
+   * Clearing the error keeps the shared SSL_CTX in an OK state.
+   */
+  ERR_clear_error();
  if (err == SSL_ERROR_WANT_READ) return MG_SSL_WANT_READ;
  if (err == SSL_ERROR_WANT_WRITE) return MG_SSL_WANT_WRITE;
  DBG(("%p %p SSL error: %d %d", nc, ctx->ssl_ctx, res, err));
@@ -1,49 +1,43 @@
-----BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEAv3/TSSi5hZDwMKG43eqe+GzR1lRMXVYt9I1Mr987v1DT99xR
-Dcpfo/3aj6B/V/G67oPz+zbVZN/ZPvvA1Z82T7ixcBFsGIXgEWzxUm1UCUf51ftl
-MlOaf24cdyegi0y8hRdkWLoC7w0vuMfrgR6cmpbI2LSDSMaXXX2qDoofQsFUYaJN
-Nn3uqRK0ixs/jzbzbAT9q2BWYwySUX4VEgADpmi0FyANDjEhmdktxQW9l6IGGzF8
-M9mA053hIgZwo+9qf9X3nfNUTWMvisMQtxm0mRYgvD53Oix08VLs6bodNTVOLQoc
-H0uH3CTs+H3Z0CkcZaAJe/kwCLFhls9ee3M0nQIDAQABAoIBAQCsADPWUi3QOg6C
-n79cE5AVsigHSlAMxYshTIjErs0LWZ4J0mk66bpdoXTd7Fp0szojYYGS8f1ZTXXj
-jFv3g7lUgZ9d+UgN/rDy9dcLIgeJDozoFZUfTthF/LC0lXMtqw7ou8n1p51a+Y0T
-ev2cS9J9R1G+0uPYSgdKgcRsqsLJQS4fu5CAk9d0aeTTl009uxcn9yfTUjwOaR5J
-PuNmunAEvhE/DGSkt5oNXo7t8Q2L3mYSM0MwKdDFqoQdZAV6TMTv22Mjb6SxOOnJ
-r5gNK2BmM6oNPWvzY0PoI0LcLgFNDWIMqIq4mg73MdzszakaNRDlOYtLAuKbTF3Q
-SDq8OkZBAoGBAOn6B5jBxSa+5GcIIeGqtiRhDMExyblt3Gk2gaw6UIZpvVDXPWWm
-r0tkGJrYecmqesN7DGmmdkyx8KONF+yzYLxSsIEGNesvVYe6PXTDZYYI57As4Z4W
-DFlCDt2FaKuMXxyOlUCiXg94z8IJBJ2ldCmmG34gBSvuFe6V5x4XE3crAoGBANGG
-P7AWw6uygfjog6B2dFT6n+9UhpyJlqwfPi5eD9V5JXtWlH6xWi3dRfuYAIafg95I
-W8/OZGHrj44gNCgYjvZHud+H3NPJPZ7lftoay5KeShBAa/pCd67OMxp1SvvONYcp
-7TSwm5s+hOJvQOpw2wg0cXnfrxGKpGLOFaRddp9XAoGAFdeXefUs2G8dl1i1AQIU
-utSsgiSJtlvBJblG5bMT7VhVqgRN4P1sg9c2TM5EoETf7PvBruMxS/uYgUwcnaYp
-M6tser7/rZLfoyoJrqrHAXo3VsT50u4v/O0jwh5AJTOXdW0CFeSSb1NR4cVBvw3B
-CFpPWrjWgsFZHsqzpqV01b0CgYEAkDft4pDowmgumlvBLlQaotuX9q6hsWHrOjKP
-JG9OSswGhq0DrWj5/5PNNe5cfk2SARChUZpo8hWoTFXSUL8GuHKKeFgWIhjkt1iU
-RiAne5ZEuIb/S9UweDwqZM3TfRtlMNIlGh1uHh+cbBfUAQsJWM5wRUk4QcTCfdgI
-gYhrvCUCgYBB6u8Q49RjrTBxWK8bcZOjVhYNrd3xrCunFVMt2QAXGGrRaXpqUMnp
-xNUmGe9vGux+s0TRguZcLEX3vX+wFyBfFKwZY9hSU7PFY/da8echpu37JasKvAov
-5+5XWI5RgF+SFVk+Q7St2BlSJa/vBAH8vtrX9Dt/hN/VSo2mAPAyMQ==
-----END RSA PRIVATE KEY-----
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number:
+            11:2a:0e:3c:6a:8c:85:ff:6e:6a:bc:db:95:51:70:ce:b4:30:78:c7
+        Signature Algorithm: ecdsa-with-SHA256
+        Issuer: C = IE, L = Dublin, O = Cesanta, CN = Test Root
+        Validity
+            Not Before: May  9 21:51:44 2020 GMT
+            Not After : May  9 21:51:44 2050 GMT
+        Subject: C = IE, L = Dublin, O = Cesanta, CN = Test Root
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (256 bit)
+                pub:
+                    04:2c:ab:d1:02:66:24:96:d7:12:3e:09:50:4f:f1:
+                    50:ee:51:e8:55:03:5e:ba:b1:1d:98:b2:72:79:27:
+                    a8:1b:31:0d:5d:50:21:ff:42:f2:da:74:17:5e:53:
+                    b2:65:41:c1:fc:84:de:4a:11:b9:8c:f4:19:d9:c4:
+                    ca:2b:ea:eb:2c
+                ASN1 OID: prime256v1
+                NIST CURVE: P-256
+        X509v3 extensions:
+            X509v3 Basic Constraints: 
+                CA:TRUE
+            X509v3 Key Usage: 
+                Digital Signature, Key Encipherment, Key Agreement, Certificate Sign, CRL Sign
+    Signature Algorithm: ecdsa-with-SHA256
+         30:46:02:21:00:9c:71:6c:00:8c:06:41:0c:91:2f:cd:41:d3:
+         87:47:e9:df:3a:22:ad:25:7c:bf:0e:2b:39:dd:7a:0c:4e:68:
+         1d:02:21:00:8f:c1:22:30:10:61:5d:51:10:ea:08:2d:02:63:
+         67:67:32:b5:06:63:96:57:bb:78:47:0a:88:d9:19:2e:f3:be
 -----BEGIN CERTIFICATE-----
-MIIDjjCCAnagAwIBAgIJAIOEuwkahzkOMA0GCSqGSIb3DQEBBQUAMDgxCzAJBgNV
-BAMTAm5zMQswCQYDVQQKEwJuczELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkR1Ymxp
-bjAeFw0xNDA4MzAxOTA3NDNaFw0yNDA4MjcxOTA3NDNaMDgxCzAJBgNVBAMTAm5z
-MQswCQYDVQQKEwJuczELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkR1YmxpbjCCASIw
-DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAL9/00kouYWQ8DChuN3qnvhs0dZU
-TF1WLfSNTK/fO79Q0/fcUQ3KX6P92o+gf1fxuu6D8/s21WTf2T77wNWfNk+4sXAR
-bBiF4BFs8VJtVAlH+dX7ZTJTmn9uHHcnoItMvIUXZFi6Au8NL7jH64EenJqWyNi0
-g0jGl119qg6KH0LBVGGiTTZ97qkStIsbP48282wE/atgVmMMklF+FRIAA6ZotBcg
-DQ4xIZnZLcUFvZeiBhsxfDPZgNOd4SIGcKPvan/V953zVE1jL4rDELcZtJkWILw+
-dzosdPFS7Om6HTU1Ti0KHB9Lh9wk7Ph92dApHGWgCXv5MAixYZbPXntzNJ0CAwEA
-AaOBmjCBlzAdBgNVHQ4EFgQUsz/nOHpjMkV8pk9dFpy41batoTcwaAYDVR0jBGEw
-X4AUsz/nOHpjMkV8pk9dFpy41batoTehPKQ6MDgxCzAJBgNVBAMTAm5zMQswCQYD
-VQQKEwJuczELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkR1YmxpboIJAIOEuwkahzkO
-MAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQEFBQADggEBAEDOtAl7bgAXgcL3HRlV
-H71tkUaok589PIqsTE4d8s8tFBZ92CyWD8ZPU46HbbyJXMFoFxiN7PvCzOBlgoZM
-r80HJWZc9tSlqK0NIbIyk1aeM06+F8qB+8/vw/spIkdYzDv3avwyOrc6fFnEzbwz
-5BFFrF2G9JajRKAP5snAV9iM8I2TD4l+w75MXXl7/DBEohdMBsTeDrrXj4q4sgoB
-L/yLeCoK6inkMTU5DwcGbiqvNnZA+9T654qlAlKjPMObGGPphK5/QKcOnV7Qtdju
-DHzDsDimdVbz9G1cxXs/AI/35GD7IDTdNTtmBhkf4/tsQ7Ua80xpIowb1fFUHmo1
-UAo=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==
 -----END CERTIFICATE-----
@@ -1,45 +1,50 @@
-----BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEAwV5xaK7ez2/TX7vSgJ0a3YbZj2l1VQ2rMzqO1Id01xlWbF/U
-rebwhAdVtWcT9R6RaBTPDGaILkV38u77M2BxIHX4MSnR6WezoA2bGMgvt3+tq2N6
-q+xkj57vwBEqedBjscVtFkoWtsX8pKwtNlMB1NvTa8p5+BNsvpvzaDX+51+FotId
-wvieQfQYgFg36HpOtOyyIV31rZ/5+qtoce8gU6wApHxmovTnQPoduNM6fOUJCHDd
-Lz90EeBREtoTVgoWcKvQoCEwJQSBmeDZgkA8Q1OYmbYoS12tIyi8rTkseRj5BvPH
-iXfNmHFKliAjvlsml5qI44I9DoagPubTf6qR5wIDAQABAoIBACZ6VZTgH0Ql22jU
-ZhnjqUHloIsyEAABvUxvXZaa8bwPtavREfAc4UVUdFCpl0YSdBrC8URlbrnOZwT3
-WxMpILm139JgoP2R/iNeMbunsh8QkA1nuTRW0NfnZ4vPnqUou33XbFKgIY7zLMfT
-3xdNQzMJHzP20Xh03RG81J2rCPMfLScTRo2XxcSxmhhS/p2WLk6pnmMHiNgYGGwX
-gcdK5lIVjMMNxgcltC30x90v0o0GDRM8/+wua+/vfn8rr3iudv9IHzL8xIzpi6NY
-CXJ8Kxd6Jtgsr3Boj5i6Mqi3Q/Trxt+rIA4bKAFXxwcp4+GmRIJtQFFiTWXpLCPC
-tLT4CHECgYEA7iCbrGjWHJ4QsUWUGrGlw1/sQ0SIv9BdZm8RydHzpRVtQOi+YOuU
-i6raVaXWzUBKgKcs/htVjAMTiePs/yhlU/MGXivz6uTX/nrD7ISJImmK2K50hgUe
-+UBnFKmBMVaNxD9RFWPJkfmNXfW7nBkqSa9CxlBcYPuOcPtZDqRl+gkCgYEAz+HX
-8wh3SHKb1cAI+o4caclpUTpGa9/zW4k+7gOh72WCKaqxTNvBvNyZGdXc9t5ToDSf
-xxsDXWG10lcHBIGLj4QBEoSWp9I43lid5swY3mCo7CjTl+1l03IfDNaC6CYQFp5p
-ZnKlsQUwR38t/uiyZpnnicCAZjqIfJbeQ5jD6G8CgYB8ufmwQa08ihJmN/KOVNRl
-VF31EfWquqHhYHXpxx2eL23tXLszGtHQoioASIANPAqJ/oaTho+1aXsXc5oUP/1r
-DlUciFsXgswb0APFY9pMewmt2xrPg+koVvJnIS25QQO6cguvb3gKDLNeLrMY3RmI
-RNNt+nOYnMqMJSsNf1CmuQKBgQCiCZxWaCbyZcNqncFh7BvhqYlaM15o/6ulkhln
-VZWIEUugRtjk2/bry9fa94TBORNeMSbKABhjVaJwTj2+GWw7dd2QHaGBNq/1QIX0
-POq1jAqf6kLkjbttUes6CosHgYPQ3bGylXLpxO2ZDV1A8Qj+SMDd8xsilEWHN+IQ
-NqeeKQKBgQDe4c7VVG+WvRRKshTh8+tjzc9nXKE2AWgwnw729SMFZO/WqX2FPp2C
-7C99XJTVBsCBy8VzuyaojeTKkag0YL3v6UTZYUeyu0YTHGQ33WVPaqdCAo840nmG
-ttwHVqshB9c67HHiYOOFt1VmT3xW6x6yympUyRqR0L+BZ1wOS3h2vQ==
-----END RSA PRIVATE KEY-----
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number:
+            03:d8:95:71:ba:5f:70:c8:4d:6a:e8:a6:0f:aa:40:d5:fc:d9:bc:6e
+        Signature Algorithm: ecdsa-with-SHA256
+        Issuer: C = IE, L = Dublin, O = Cesanta, CN = Test Root
+        Validity
+            Not Before: May  9 21:51:52 2020 GMT
+            Not After : May  9 21:51:52 2030 GMT
+        Subject: CN = client
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (256 bit)
+                pub:
+                    04:e2:2e:72:7b:b6:2d:a3:d3:3b:0e:b1:4e:8a:09:
+                    19:66:ff:d6:0e:d4:3f:47:8c:20:ab:06:db:25:77:
+                    8b:2a:ac:fa:a4:e2:f8:97:ba:10:c5:fa:5d:0b:ee:
+                    28:16:56:78:0f:30:17:2b:6b:04:6c:dc:c8:f8:12:
+                    23:d3:2f:01:58
+                ASN1 OID: prime256v1
+                NIST CURVE: P-256
+        X509v3 extensions:
+            X509v3 Basic Constraints: 
+                CA:FALSE
+            X509v3 Key Usage: 
+                Digital Signature, Key Encipherment, Key Agreement
+            X509v3 Extended Key Usage: 
+                TLS Web Client Authentication
+    Signature Algorithm: ecdsa-with-SHA256
+         30:46:02:21:00:de:e5:30:ae:50:e9:a7:14:a0:c3:79:29:df:
+         bf:d3:a3:f8:19:b0:19:b5:ab:3e:6e:c9:29:18:86:ff:fe:a7:
+         b0:02:21:00:f5:ba:90:d6:1c:fe:ff:05:44:9a:b1:20:2c:ee:
+         00:68:20:85:f7:0f:86:a2:13:1e:86:9a:03:6d:74:aa:72:c2
 -----BEGIN CERTIFICATE-----
-MIIC6DCCAdACBRQJQlZlMA0GCSqGSIb3DQEBBQUAMDgxCzAJBgNVBAMTAm5zMQsw
-CQYDVQQKEwJuczELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkR1YmxpbjAeFw0xNDA4
-MzAxOTA3NDRaFw0yNDA4MjcxOTA3NDRaMDgxCzAJBgNVBAMTAm5zMQswCQYDVQQK
-EwJuczELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkdhbHdheTCCASIwDQYJKoZIhvcN
-AQEBBQADggEPADCCAQoCggEBAMFecWiu3s9v01+70oCdGt2G2Y9pdVUNqzM6jtSH
-dNcZVmxf1K3m8IQHVbVnE/UekWgUzwxmiC5Fd/Lu+zNgcSB1+DEp0elns6ANmxjI
-L7d/ratjeqvsZI+e78ARKnnQY7HFbRZKFrbF/KSsLTZTAdTb02vKefgTbL6b82g1
-/udfhaLSHcL4nkH0GIBYN+h6TrTssiFd9a2f+fqraHHvIFOsAKR8ZqL050D6HbjT
-OnzlCQhw3S8/dBHgURLaE1YKFnCr0KAhMCUEgZng2YJAPENTmJm2KEtdrSMovK05
-LHkY+Qbzx4l3zZhxSpYgI75bJpeaiOOCPQ6GoD7m03+qkecCAwEAATANBgkqhkiG
-9w0BAQUFAAOCAQEAJ+wZ/IgAF5LIu0yOfJlaFRJLunKHZENigiVjYvkTdM7NI3O2
-1AZGY4O8H5Fs3YT5ZY3vas/n6IwWTk3o/JSPXojMFo82XkbI1k2cm3oLtwgEGN3p
-s5yFsjZE3H7fQJ9wHIzESBPHFY6dwwgMsNENuAM2zkwFpbAkisKhjK+EyUCXauok
-7zJY6RVPMaNojsje4iE/SBtSOnK/9WDBAgpCznHrSChJmKs4FsU7ZTO+Dg+0vQln
-l8/yBcEGAFe0GA2D9NvZKH5IoNmitvtU9zdNDK4dzC3Q+C28IjW5jE8peDFtdGs1
-P0u4kRxmb4UH1DchgoWlZjL2lSFScJ7L4xY2aQ==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 -----END CERTIFICATE-----
+-----BEGIN PRIVATE KEY-----
+MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQgk5sv3YwDGTm29Czy
+UWuKlbfbvZqZv1fFRBOn2S0D7SuhRANCAATiLnJ7ti2j0zsOsU6KCRlm/9YO1D9H
+jCCrBtsld4sqrPqk4viXuhDF+l0L7igWVngPMBcrawRs3Mj4EiPTLwFY
+-----END PRIVATE KEY-----
@@ -1,45 +1,50 @@
-----BEGIN RSA PRIVATE KEY-----
-MIIEpAIBAAKCAQEA1mONQ0hAXOL9lb15Pz4fqXXNHREsF3a7/NoMJdQDclx0+a32
-MhuHcO6R7Fhsc0mZMuzbmAFLMmIIgXPMKQBZLoA12yCBlZPyKFoWUhFrLa3gUjO6
-CZlBKqkUVEACpVrQ41ihapeeUHa0uryt3tXwMn2/853yzi1uciGYi4ULTy3yTE/n
-qRIVJLiBDSC9WNFLg26f/W4YRW7tANOk2b/W/Ws9B/n7vNDgHG7Lpd38YTpFhhXT
-n3xlt/VcczkQhW79Moh6/lY6sLg6H15EjHKHeTn8t9BRm+qYi/CvC258YF/Qz/qK
-agSsLT/3FrQ6+aQgg/Eyao0IWAql49PQNxuwPQIDAQABAoIBAQC5y3S1BnyhAyb5
-Ckd1g4U0+x5TPnqTqxanvuAgOGj0RyQo7ZYbPrhWKqrTxJ3YG8Rk2dhFF3nvo/3z
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-cLr3lQT1s6xZOAYn7O2GvXEC+yMMbvm0a97MdwSpQez1WcE9YxtCgAWwn5EmSXlh
-296iLtbaM1wgYOykJUOUoSgijf8pUfotk4Zj/y1KPHXePgAlyGCtE1zasiYb5K+5
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-i+HWKOxOm7f/R2VX1ys9UjkAK+msac512XWSLAzBs7NFnB7iJ7m3Bh3ydb1ZiTgW
-l6bIdoT8TLPYNIXJ6uohhxPU5h3v81PHqIuJMBtmHCQjq3nxeH9mOsfjOFvS1cQa
-At45F9pK/5sQpOkkaBGSv8jXUFIKBEDBErourVHpAoGAK0gSAK4sZu3xXDkfnRqF
-k6lgr3UFD5nys3V8UqvjUKPiBtqco2N9Ux5ciOWKCB8hfLg1jephKaoo+JqpI68w
-jgRSEbN6G7sIvpueuiS2yEssNyfC7hWZFrdFSFykSpYmDWSlxSuizAZkJyFTeFhj
-cpcSnuCZlhr5XB1ZJ2u8zQUCgYEAke5QgpCDFZjO+ynR+vj1gppBwRuDHfUXSUaW
-3S7VT/wNOq6F0uvRYkASuxVkFAqlToWCkYVxktlRtpKZibwyMXT0r1cNejj5Z/VF
-Du/S6zkOW2K9uN7hwW9oiSSHmlx61RI2fGvkmus0pp7yERKgi6ltJx1cH+z4nZug
-efWcdRkCgYBy+XdmsxgNZOunlSC6VZiD0Ve/VFrCtKPWUivKDAZZPKl0T/1tbTwb
-I/N4zTF82jx88rDz+6jN5nOy9qbSR5TeCy6WlBesTvXm49awr5jSK3WkcLgmO+JI
-Zr2ozCBhUG6RvVsUPp2kXEsmwZMV/e9faFAlIXeJhKum6hZmfOgodg==
-----END RSA PRIVATE KEY-----
+Certificate:
+    Data:
+        Version: 3 (0x2)
+        Serial Number:
+            6e:73:28:55:df:13:b5:61:f5:4f:4f:5d:00:d9:0a:d8:b5:3a:21:4b
+        Signature Algorithm: ecdsa-with-SHA256
+        Issuer: C = IE, L = Dublin, O = Cesanta, CN = Test Root
+        Validity
+            Not Before: May  9 21:51:49 2020 GMT
+            Not After : May  9 21:51:49 2030 GMT
+        Subject: CN = server
+        Subject Public Key Info:
+            Public Key Algorithm: id-ecPublicKey
+                Public-Key: (256 bit)
+                pub:
+                    04:92:e0:46:9c:89:c3:37:a9:74:eb:35:55:43:55:
+                    5c:ac:eb:c7:e4:50:ee:f4:c0:ba:17:02:5c:d9:ed:
+                    b4:d4:ff:21:12:9a:b4:43:f4:89:4b:69:e4:6d:2b:
+                    96:1f:fc:01:4d:30:5a:79:73:76:ba:19:41:cc:c5:
+                    16:2b:bf:74:28
+                ASN1 OID: prime256v1
+                NIST CURVE: P-256
+        X509v3 extensions:
+            X509v3 Basic Constraints: 
+                CA:FALSE
+            X509v3 Key Usage: 
+                Digital Signature, Key Encipherment, Key Agreement
+            X509v3 Extended Key Usage: 
+                TLS Web Server Authentication
+    Signature Algorithm: ecdsa-with-SHA256
+         30:46:02:21:00:fa:3a:c7:1e:cb:8c:27:59:41:8d:77:dd:7b:
+         cb:8c:08:15:16:b9:6e:70:e6:47:38:d1:55:42:e0:d7:66:c8:
+         f0:02:21:00:cc:70:4d:96:28:00:d3:c7:39:53:74:b2:49:87:
+         27:92:1b:ab:1a:0e:74:06:59:42:23:47:98:43:d8:20:a7:fa
 -----BEGIN CERTIFICATE-----
-MIIC6DCCAdACBRQJQlZkMA0GCSqGSIb3DQEBBQUAMDgxCzAJBgNVBAMTAm5zMQsw
-CQYDVQQKEwJuczELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkR1YmxpbjAeFw0xNDA4
-MzAxOTA3NDNaFw0yNDA4MjcxOTA3NDNaMDgxCzAJBgNVBAMTAm5zMQswCQYDVQQK
-EwJuczELMAkGA1UEBhMCSUUxDzANBgNVBAcTBkdhbHdheTCCASIwDQYJKoZIhvcN
-AQEBBQADggEPADCCAQoCggEBANZjjUNIQFzi/ZW9eT8+H6l1zR0RLBd2u/zaDCXU
-A3JcdPmt9jIbh3DukexYbHNJmTLs25gBSzJiCIFzzCkAWS6ANdsggZWT8ihaFlIR
-ay2t4FIzugmZQSqpFFRAAqVa0ONYoWqXnlB2tLq8rd7V8DJ9v/Od8s4tbnIhmIuF
-C08t8kxP56kSFSS4gQ0gvVjRS4Nun/1uGEVu7QDTpNm/1v1rPQf5+7zQ4Bxuy6Xd
-/GE6RYYV0598Zbf1XHM5EIVu/TKIev5WOrC4Oh9eRIxyh3k5/LfQUZvqmIvwrwtu
-fGBf0M/6imoErC0/9xa0OvmkIIPxMmqNCFgKpePT0DcbsD0CAwEAATANBgkqhkiG
-9w0BAQUFAAOCAQEAoVXK97WA24tp3JyPBJKr28gFSUtOBNDPdY8atWaqw7PwUIIM
-qhs3BTag96tgSoaISRwRphz2LM1Cl+QlItYXySAnxPKrUsA0S6DlxnA6Hq3s2wTR
-6yIT7oDUDKcWkVQcQmuNGdfxCvZXkCih9lnQn++xHcuVn9mZmjXW2xk42ljDTZCp
-CM29betpcmuho6sFXsBhY7WjQWg7UpRZat0bOwleS4fsePebMKrnr/6cq4bVw59U
-XvhSFBlLoGMYteJ82fOYH6pUO1hiPr6ww5d819LPcJEcRpcxCdQZqIq680Kp7+GY
-0wkyOYr0gkNwWVP7IUZ0FExaQ/s54g71Kd0OgA==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 -----END CERTIFICATE-----
+-----BEGIN PRIVATE KEY-----
+MIGHAgEAMBMGByqGSM49AgEGCCqGSM49AwEHBG0wawIBAQQglNni0t9Dg9icgG8w
+kbfxWSS+TuNgbtNybIQXcm3NHpmhRANCAASS4EacicM3qXTrNVVDVVys68fkUO70
+wLoXAlzZ7bTU/yESmrRD9IlLaeRtK5Yf/AFNMFp5c3a6GUHMxRYrv3Qo
+-----END PRIVATE KEY-----
@@ -4590,6 +4590,15 @@ static const char *test_dns_encode(void) {
  return NULL;
 }

+static const char *test_dns_encode_name(void) {
+  struct mbuf mb;
+  mbuf_init(&mb, 0);
+  ASSERT_EQ(mg_dns_encode_name(&mb, "www.cesanta.com.net.org", 15), 17);
+  ASSERT_STREQ_NZ(mb.buf, "\x03" "www" "\x07" "cesanta" "\x03" "com");
+  mbuf_free(&mb);
+  return NULL;
+}
+
 static const char *test_dns_uncompress(void) {
  /*
   * Order or string constants is important. Names being uncompressed
@@ -5781,6 +5790,7 @@ const char *tests_run(const char *filter) {
  RUN_TEST(test_mqtt_broker);
 #endif
  RUN_TEST(test_dns_encode);
+  RUN_TEST(test_dns_encode_name);
  RUN_TEST(test_dns_uncompress);
  RUN_TEST(test_dns_decode);
  RUN_TEST(test_dns_decode_truncated);
@@ -2,7 +2,7 @@

 Mongoose is distributed as two files, `mongoose.c` and `mongoose.h` for ease of integration.
 However, when developing Mongoose itself, it can be quite difficult to work with them.
-Internally, these files are an _amalgamation_ of source an header modules.
+Internally, these files are an _amalgamation_ of source and header modules.
 This directory contains utilities to split and re-constitute amalgamated files.

 Here's how `mongoose.c` can be split into its consituent parts:
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python3
 #
 # Generate a reversible amalgamation of several C source files
 # along with their required internal headers.
@@ -32,10 +32,10 @@
 #

 import argparse
+import io
 import re
 import sys
 import os
-from StringIO import StringIO

 parser = argparse.ArgumentParser(description='Produce an amalgamated source')
 parser.add_argument('--prefix', default="NS",
@@ -59,16 +59,17 @@ parser.add_argument('--exportable-headers', dest="export", action='store_true',
                    help='allow exporting internal headers')
 parser.add_argument('-I', default=['.'], dest='include_path', help='include path', action='append')
 parser.add_argument('sources', nargs='*', help='sources')
+parser.add_argument('--license', dest="license", help='License file')

 class File(object):
    def __init__(self, name, parent_name):
        self.name = name
        self.parent_name = parent_name
-        self.buf = StringIO()
+        self.buf = io.StringIO()
        emit_file(self.buf, self.name, self.parent_name)

    def emit(self):
-        print self.buf.getvalue(),
+        print('%s' % self.buf.getvalue(), end='')


 args = parser.parse_args()
@@ -103,25 +104,39 @@ def resolve(path, parent_name):
                break
    if os.path.exists(p) and not args.norel:
        p = os.path.realpath(p).replace('%s%s' % (os.getcwd(), os.sep), '')
-    # print >>sys.stderr, '%s %s -> %s (cwd %s)' % (path, parent_name, p, os.getcwd())
    return p.replace(os.sep, '/')

 def emit_line_directive(out, name, parent_name):
-    print >>out, '''#ifdef %(prefix)s_MODULE_LINES
+    print ('''#ifdef %(prefix)s_MODULE_LINES
 #line 1 "%(name)s"
 #endif''' % dict(
    prefix = args.prefix,
    name = resolve(name, parent_name),
-)
+), file=out)

 def emit_body(out, name, parent_name):
    resolved_name = resolve(name, parent_name)
    if not args.strict and not os.path.exists(resolved_name):
-        print >>out, '#include "%s"' % (name,)
+        print('#include "%s"' % name, file=out)
        return

    with open(resolved_name) as f:
+        in_comment = False
+        comment = ''
        for l in f:
+            if in_comment:
+                comment += l
+                if re.match('\s*\*/$', l):
+                    in_comment = False
+                    if not re.match('.*Copyright.*Cesanta', comment, re.M | re.S):
+                        out.write(comment)
+                continue
+
+            if re.match('/\*$', l):
+                in_comment = True
+                comment = l
+                continue
+
            match = re.match('( *#include "(.*)")', l)
            if match:
                all, path_to_include = match.groups()
@@ -129,9 +144,9 @@ def emit_body(out, name, parent_name):
                    if not should_ignore(path_to_include, parent_name):
                        already_included.add(path_to_include)
                        includes.append(File(path_to_include, resolved_name))
-                print >>out, '/* Amalgamated: %s */' % (all,)
+                print('/* Amalgamated: %s */' % all, file=out)
            else:
-                print >>out, l,
+                out.write(l)


 def emit_file(out, name, parent_name):
@@ -155,15 +170,20 @@ if sys.platform == "win32":
    import os, msvcrt
    msvcrt.setmode(sys.stdout.fileno(), os.O_BINARY)

+
+if args.license:
+    with open(args.license) as f:
+        print(f.read())
+
 if args.public:
-    print '#include "%s"' % (args.public)
+    print('#include "%s"' % args.public)

 for i in includes:
    i.emit()

 if args.export:
-    print '#ifndef %s_EXPORT_INTERNAL_HEADERS' % (args.prefix,)
+    print('#ifndef %s_EXPORT_INTERNAL_HEADERS' % (args.prefix,))
 for i in sources:
    i.emit()
 if args.export:
-    print '#endif /* %s_EXPORT_INTERNAL_HEADERS */' % (args.prefix,)
+    print('#endif /* %s_EXPORT_INTERNAL_HEADERS */' % (args.prefix,))
Author	SHA1	Message	Date
Sergey Lyubka	80d74e9e34	Merge branch 'dev'	2020-05-21 16:45:34 +01:00
Sergey Lyubka	43a0b500f5	6.17 -> 6.18 PUBLISHED_FROM=7893a216b1f7e86e845122eb425e4fed271244b4	2020-05-21 16:42:09 +01:00
Sergey Lyubka	3d53ed17fb	Allow OpenSSL session reuse on 2-way SSL, integrate https://github.com/cesanta/mongoose/pull/877 PUBLISHED_FROM=6e2568b963869d062dd51b590f8e536d043c4ca2	2020-05-21 16:17:14 +01:00
Sergey Lyubka	4ea452307e	Update certs used for SSL test PUBLISHED_FROM=2236ecf7fe06bdaf9a89e697b83ff69e1f8c805c	2020-05-21 16:17:12 +01:00
Deomid "rojer" Ryabkov	e61f20f1ed	Convert amalgam.py to Python 3 No mongoose.{c,h} diffs PUBLISHED_FROM=a995a6d6548a914087969e28908f4e8c9ef1d379	2020-05-09 10:48:41 +00:00
Sergey Lyubka	ca11f5ab49	Fix OpenSSL error issue PUBLISHED_FROM=a3bcdb68f48a4de4a4f55b4399792fdd5211c88d	2020-05-02 11:19:29 +00:00
Sergey Lyubka	000d24d31a	Add http proxy client example PUBLISHED_FROM=443a0d3db63df1b78555a9fa4eff808bef3a9a01	2020-03-25 16:32:49 +00:00
Sergey Lyubka	ef92f2e9c5	Integrate cesanta/dev#1062 - Fix dereferencing in mg_http_free_proto_data_endpoints PUBLISHED_FROM=47fd1a4de07d2c53c994d29c88ac1d3a7f61c1a0	2020-02-21 14:30:21 +00:00
Sergey Lyubka	4e89eac8dd	Integrate cesanta/dev#1074 - Fix typedef bool for MSC PUBLISHED_FROM=f52fe15edd617d9f1ba2aa4051c116e79671554d	2020-02-21 14:24:50 +00:00
Sergey Lyubka	b015e33ea5	Integrate https://github.com/cesanta/mongoose/pull/1096 - dir listing nits PUBLISHED_FROM=a343bd61f98cbcc0f8cab02a62b912e494c27601	2020-02-14 08:30:56 +00:00
Sergey Lyubka	96e762d4a1	Change contributions section PUBLISHED_FROM=676548efdb09989c300693a81dd592fe1cd987b0	2020-02-14 08:30:54 +00:00
Sergey Lyubka	359060a151	mongoose.h 6.17	2020-02-11 12:11:10 +00:00
Sergey Lyubka	af1aff7fbb	mongoose.h 6.17	2020-02-11 12:10:13 +00:00
Sergey Lyubka	517ef216c1	6.16 -> 6.17 PUBLISHED_FROM=c0cbd13faf84fdac1f4566be02b596a232b68713	2020-02-11 11:54:54 +00:00
Sergey Lyubka	734c13cdf5	Squash win32 warnings PUBLISHED_FROM=3819e74efb9ac8ff84a68105107afcacaeeab92a	2020-02-11 11:52:07 +00:00
Deomid "rojer" Ryabkov	1bf3ad2426	MQTT ping fixes * Actually drop the connection when no response to ping arrives within the next interval. * Avoid sending immediate ping when wall time is adjusted, it's usually spurious. PUBLISHED_FROM=8049280b58edfb94dd0fcb6a1e89ffefe69bcea1	2020-02-11 08:04:02 +00:00
Deomid "rojer" Ryabkov	884b9a4813	Add Content-Encoding: gzip when serving .gz files If file ends with .gz and has known "secondary extnesion", i.e. test.html.gz, its content type is determined by the secondary extension and content-encoding is set to gzip. PUBLISHED_FROM=a238763b4424bafabec2e58ccae4522cacdd7c78	2020-02-01 08:33:49 +00:00
Deomid "rojer" Ryabkov	7153690016	Keep the size of the structure the same in non-SSL build PUBLISHED_FROM=8f93bee72bc18efff64354203ee6268f4f8e8768	2020-01-31 11:01:35 +00:00
Deomid "rojer" Ryabkov	f00b3a2b3a	Move ssl_if_data to the end of mg_connection PUBLISHED_FROM=4fb65477b03bedc3206ac286e8236f0f9536f20e	2020-01-31 09:48:30 +00:00
Deomid "rojer" Ryabkov	c2b5e4f3b8	Fix a leak when CA certificate file is invalid Also free up some RAM by not allocating ca_cert when `MBEDTLS_X509_CA_CHAIN_ON_DISK` is enabled. PUBLISHED_FROM=5e5f4103707de98c929973d2aed0aaedf0bb60da	2020-01-22 10:03:30 +00:00
Deomid "rojer" Ryabkov	bc15e9ce9a	Fix value of MG_MQTT_DUP PUBLISHED_FROM=de1772bd6ea01f3dc467ceebb3b2af5cbe8eb240	2020-01-20 09:33:25 +00:00
Deomid Ryabkov	70dc6d8dc9	Add mg_strcasecmp() CL: Add mg_strcasecmp() PUBLISHED_FROM=cd2a26fa12473bfa0f5e7a0a1d34fb86562ee082	2019-12-29 19:39:45 +00:00
Deomid Ryabkov	10b11b03a8	Add mg_dns_encode_name_s for non-NUL terminated strings PUBLISHED_FROM=012e2939021d1b275a39632fd2982891d2c98c4e	2019-12-29 19:33:41 +00:00
Sergey Lyubka	cb602f178c	Fix int overflow in parse_mqtt() PUBLISHED_FROM=f9106d2f746c67ae004aeab12685eaf9cd558cd8	2019-12-23 11:13:41 +00:00
Sergey Lyubka	464113c5ae	Sync mongoose changes PUBLISHED_FROM=8b6ebf46728aca40f916dde88e372b4540ed6ea4	2019-12-19 11:12:57 +00:00
Deomid Ryabkov	c34f6c54e7	Fix ota-shadow logic PUBLISHED_FROM=68a57c967f8864946244893c71a397ab4e27d75d	2019-12-07 09:03:26 +00:00
Sergey Lyubka	8fb58ebbca	Lsm PUBLISHED_FROM=5f465d245bb9ada5202cdd23ddc5b9856df26951	2019-11-04 13:48:28 +00:00
Sergey Lyubka	dce60c6dbb	Merge pull request #1054 from M4GNV5/master fix typo in tools/README.md	2019-10-07 09:08:58 +01:00
Jakob Löw	f668d08804	fix typo in tools/README.md	2019-10-01 00:14:11 +02:00