Merge remote-tracking branch 'qatar/master'

* qatar/master:
  lavf: Add a fate test for the noproxy pattern matching
  lavf: Handle the environment variable no_proxy more properly

Conflicts:
	libavformat/Makefile
	libavformat/internal.h
	libavformat/tls.c
	libavformat/utils.c
	libavformat/version.h
Merged-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/Makefile

@@ -441,7 +441,8 @@ OBJS-$(CONFIG_UDP_PROTOCOL)              += udp.o
 
 SKIPHEADERS-$(CONFIG_FFRTMPCRYPT_PROTOCOL) += rtmpdh.h
 SKIPHEADERS-$(CONFIG_NETWORK)            += network.h rtsp.h
-TESTPROGS = seek                                                        \
+TESTPROGS = noproxy                                                     \
+            seek                                                        \
             srtp                                                        \
             url                                                         \
 

libavformat/http.c

@@ -120,10 +120,6 @@ static int http_open_cnx(URLContext *h)
     HTTPAuthType cur_auth_type, cur_proxy_auth_type;
     HTTPContext *s = h->priv_data;
 
-    proxy_path = getenv("http_proxy");
-    use_proxy = (proxy_path != NULL) && !getenv("no_proxy") &&
-        av_strstart(proxy_path, "http://", NULL);
-
     /* fill the dest addr */
  redo:
     /* needed in any case to build the host string */
@@ -132,6 +128,10 @@ static int http_open_cnx(URLContext *h)
                  path1, sizeof(path1), s->location);
     ff_url_join(hoststr, sizeof(hoststr), NULL, NULL, hostname, port, NULL);
 
+    proxy_path = getenv("http_proxy");
+    use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), hostname) &&
+                proxy_path != NULL && av_strstart(proxy_path, "http://", NULL);
+
     if (!strcmp(proto, "https")) {
         lower_proto = "tls";
         use_proxy = 0;

libavformat/internal.h

@@ -390,4 +390,6 @@ AVRational ff_choose_timebase(AVFormatContext *s, AVStream *st, int min_precissi
  */
 void ff_generate_avci_extradata(AVStream *st);
 
+int ff_http_match_no_proxy(const char *no_proxy, const char *hostname);
+
 #endif /* AVFORMAT_INTERNAL_H */

libavformat/noproxy-test.c

+/*
+ * Copyright (c) 2013 Martin Storsjo
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ */
+
+#include "internal.h"
+
+static void test(const char *pattern, const char *host)
+{
+    int res = ff_http_match_no_proxy(pattern, host);
+    printf("The pattern \"%s\" %s the hostname %s\n",
+           pattern ? pattern : "(null)", res ? "matches" : "does not match",
+           host);
+}
+
+int main(void)
+{
+    test(NULL, "domain.com");
+    test("example.com domain.com", "domain.com");
+    test("example.com other.com", "domain.com");
+    test("example.com,domain.com", "domain.com");
+    test("example.com,domain.com", "otherdomain.com");
+    test("example.com, *.domain.com", "sub.domain.com");
+    test("example.com, *.domain.com", "domain.com");
+    test("example.com, .domain.com", "domain.com");
+    test("*", "domain.com");
+    return 0;
+}

libavformat/tls.c

@@ -172,10 +172,6 @@ static int tls_open(URLContext *h, const char *uri, int flags)
 
     ff_tls_init();
 
-    proxy_path = getenv("http_proxy");
-    use_proxy = (proxy_path != NULL) && !getenv("no_proxy") &&
-        av_strstart(proxy_path, "http://", NULL);
-
     av_url_split(NULL, 0, NULL, 0, host, sizeof(host), &port, path, sizeof(path), uri);
     ff_url_join(buf, sizeof(buf), "tcp", NULL, host, port, "%s", path);
 
@@ -185,6 +181,10 @@ static int tls_open(URLContext *h, const char *uri, int flags)
         freeaddrinfo(ai);
     }
 
+    proxy_path = getenv("http_proxy");
+    use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), host) &&
+                proxy_path != NULL && av_strstart(proxy_path, "http://", NULL);
+
     if (use_proxy) {
         char proxy_host[200], proxy_auth[200], dest[200];
         int proxy_port;

libavformat/utils.c

@@ -4379,3 +4379,57 @@ void ff_generate_avci_extradata(AVStream *st)
     memcpy(st->codec->extradata, data, size);
     st->codec->extradata_size = size;
 }
+
+static int match_host_pattern(const char *pattern, const char *hostname)
+{
+    int len_p, len_h;
+    if (!strcmp(pattern, "*"))
+        return 1;
+    // Skip a possible *. at the start of the pattern
+    if (pattern[0] == '*')
+        pattern++;
+    if (pattern[0] == '.')
+        pattern++;
+    len_p = strlen(pattern);
+    len_h = strlen(hostname);
+    if (len_p > len_h)
+        return 0;
+    // Simply check if the end of hostname is equal to 'pattern'
+    if (!strcmp(pattern, &hostname[len_h - len_p])) {
+        if (len_h == len_p)
+            return 1; // Exact match
+        if (hostname[len_h - len_p - 1] == '.')
+            return 1; // The matched substring is a domain and not just a substring of a domain
+    }
+    return 0;
+}
+
+int ff_http_match_no_proxy(const char *no_proxy, const char *hostname)
+{
+    char *buf, *start;
+    int ret = 0;
+    if (!no_proxy)
+        return 0;
+    if (!hostname)
+        return 0;
+    buf = av_strdup(no_proxy);
+    if (!buf)
+        return 0;
+    start = buf;
+    while (start) {
+        char *sep, *next = NULL;
+        start += strspn(start, " ,");
+        sep = start + strcspn(start, " ,");
+        if (*sep) {
+            next = sep + 1;
+            *sep = '\0';
+        }
+        if (match_host_pattern(start, hostname)) {
+            ret = 1;
+            break;
+        }
+        start = next;
+    }
+    av_free(buf);
+    return ret;
+}

libavformat/version.h

@@ -31,7 +31,7 @@
 
 #define LIBAVFORMAT_VERSION_MAJOR 54
 #define LIBAVFORMAT_VERSION_MINOR 63
-#define LIBAVFORMAT_VERSION_MICRO 101
+#define LIBAVFORMAT_VERSION_MICRO 102
 
 #define LIBAVFORMAT_VERSION_INT AV_VERSION_INT(LIBAVFORMAT_VERSION_MAJOR, \
                                                LIBAVFORMAT_VERSION_MINOR, \

tests/fate/libavformat.mak

+FATE_LIBAVFORMAT += fate-noproxy
+fate-noproxy: libavformat/noproxy-test$(EXESUF)
+fate-noproxy: CMD = run libavformat/noproxy-test
+
 FATE_LIBAVFORMAT += fate-srtp
 fate-srtp: libavformat/srtp-test$(EXESUF)
 fate-srtp: CMD = run libavformat/srtp-test

tests/ref/fate/noproxy

+The pattern "(null)" does not match the hostname domain.com
+The pattern "example.com domain.com" matches the hostname domain.com
+The pattern "example.com other.com" does not match the hostname domain.com
+The pattern "example.com,domain.com" matches the hostname domain.com
+The pattern "example.com,domain.com" does not match the hostname otherdomain.com
+The pattern "example.com, *.domain.com" matches the hostname sub.domain.com
+The pattern "example.com, *.domain.com" matches the hostname domain.com
+The pattern "example.com, .domain.com" matches the hostname domain.com
+The pattern "*" matches the hostname domain.com