lavf/tls: let the user specify what name to verify against

This can be useful for debugging, or in scenarios where the user
doesn't want to use the system's DNS settings for whatever reason.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

1 files changed, 8 insertions, 5 deletions

diff --git a/libavformat/tls.c b/libavformat/tls.c
index adbd7dbb0a..9802a70d3a 100644
--- a/libavformat/tls.c
+++ b/libavformat/tls.c
@@ -67,7 +67,7 @@ int ff_tls_open_underlying(TLSShared *c, URLContext *parent, const char *uri, AV
     if (c->listen)
         snprintf(opts, sizeof(opts), "?listen=1");
 
-    av_url_split(NULL, 0, NULL, 0, c->host, sizeof(c->host), &port, NULL, 0, uri);
+    av_url_split(NULL, 0, NULL, 0, c->underlying_host, sizeof(c->underlying_host), &port, NULL, 0, uri);
 
     p = strchr(uri, '?');
 
@@ -78,16 +78,19 @@ int ff_tls_open_underlying(TLSShared *c, URLContext *parent, const char *uri, AV
             c->listen = 1;
     }
 
-    ff_url_join(buf, sizeof(buf), "tcp", NULL, c->host, port, "%s", p);
+    ff_url_join(buf, sizeof(buf), "tcp", NULL, c->underlying_host, port, "%s", p);
 
     hints.ai_flags = AI_NUMERICHOST;
-    if (!getaddrinfo(c->host, NULL, &hints, &ai)) {
+    if (!getaddrinfo(c->underlying_host, NULL, &hints, &ai)) {
         c->numerichost = 1;
         freeaddrinfo(ai);
     }
 
+    if (!c->host && !(c->host = av_strdup(c->underlying_host)))
+        return AVERROR(ENOMEM);
+
     proxy_path = getenv("http_proxy");
-    use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), c->host) &&
+    use_proxy = !ff_http_match_no_proxy(getenv("no_proxy"), c->underlying_host) &&
                 proxy_path && av_strstart(proxy_path, "http://", NULL);
 
     if (use_proxy) {
@@ -96,7 +99,7 @@ int ff_tls_open_underlying(TLSShared *c, URLContext *parent, const char *uri, AV
         av_url_split(NULL, 0, proxy_auth, sizeof(proxy_auth),
                      proxy_host, sizeof(proxy_host), &proxy_port, NULL, 0,
                      proxy_path);
-        ff_url_join(dest, sizeof(dest), NULL, NULL, c->host, port, NULL);
+        ff_url_join(dest, sizeof(dest), NULL, NULL, c->underlying_host, port, NULL);
         ff_url_join(buf, sizeof(buf), "httpproxy", proxy_auth, proxy_host,
                     proxy_port, "/%s", dest);
     }