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Code Issues Releases Activity

Use ff_url_join for assembling URLs, instead of snprintf

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This ensures proper escaping of numerical IPv6 addresses.

The RTSP (de)muxer needs its own network initialization, since it isn't
a protocol and url_open hasn't been called yet.

Originally committed as revision 22226 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Martin Storsjö 2010-03-05 22:35:21 +00:00
parent 780d7897a9
commit 57b5555c91
6 changed files with 30 additions and 24 deletions
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2
libavformat/gopher.c
View File

@ -95,7 +95,7 @@ static int gopher_open(URLContext *h, const char *uri, int flags)
if (port < 0)
port = 70;
snprintf(buf, sizeof(buf), "tcp://%s:%d", hostname, port);
ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);
s->hd = NULL;
err = url_open(&s->hd, buf, URL_RDWR);

8
libavformat/http.c
View File

@ -71,11 +71,7 @@ static int http_open_cnx(URLContext *h)
/* needed in any case to build the host string */
url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
path1, sizeof(path1), s->location);
if (port > 0) {
snprintf(hoststr, sizeof(hoststr), "%s:%d", hostname, port);
} else {
av_strlcpy(hoststr, hostname, sizeof(hoststr));
}
ff_url_join(hoststr, sizeof(hoststr), NULL, NULL, hostname, port, NULL);
if (use_proxy) {
url_split(NULL, 0, auth, sizeof(auth), hostname, sizeof(hostname), &port,
@ -90,7 +86,7 @@ static int http_open_cnx(URLContext *h)
if (port < 0)
port = 80;
snprintf(buf, sizeof(buf), "tcp://%s:%d", hostname, port);
ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);
err = url_open(&hd, buf, URL_RDWR);
if (err < 0)
goto fail;

4
libavformat/rtmpproto.c
View File

@ -113,7 +113,7 @@ static void gen_connect(URLContext *s, RTMPContext *rt, const char *proto,
ff_rtmp_packet_create(&pkt, RTMP_SYSTEM_CHANNEL, RTMP_PT_INVOKE, 0, 4096);
p = pkt.data;
snprintf(tcurl, sizeof(tcurl), "%s://%s:%d/%s", proto, host, port, rt->app);
ff_url_join(tcurl, sizeof(tcurl), proto, NULL, host, port, "/%s", rt->app);
ff_amf_write_string(&p, "connect");
ff_amf_write_number(&p, 1.0);
ff_amf_write_object_start(&p);
@ -817,7 +817,7 @@ static int rtmp_open(URLContext *s, const char *uri, int flags)
if (port < 0)
port = RTMP_DEFAULT_PORT;
snprintf(buf, sizeof(buf), "tcp://%s:%d", hostname, port);
ff_url_join(buf, sizeof(buf), "tcp", NULL, hostname, port, NULL);
if (url_open(&rt->stream, buf, URL_RDWR) < 0) {
av_log(LOG_CONTEXT, AV_LOG_ERROR, "Cannot open connection %s\n", buf);

6
libavformat/rtpproto.c
View File

@ -67,10 +67,10 @@ int rtp_set_remote_url(URLContext *h, const char *uri)
url_split(NULL, 0, NULL, 0, hostname, sizeof(hostname), &port,
path, sizeof(path), uri);
snprintf(buf, sizeof(buf), "udp://%s:%d%s", hostname, port, path);
ff_url_join(buf, sizeof(buf), "udp", NULL, hostname, port, "%s", path);
udp_set_remote_url(s->rtp_hd, buf);
snprintf(buf, sizeof(buf), "udp://%s:%d%s", hostname, port + 1, path);
ff_url_join(buf, sizeof(buf), "udp", NULL, hostname, port + 1, "%s", path);
udp_set_remote_url(s->rtcp_hd, buf);
return 0;
}
@ -101,7 +101,7 @@ static void build_udp_url(char *buf, int buf_size,
int local_port, int ttl,
int max_packet_size)
{
snprintf(buf, buf_size, "udp://%s:%d", hostname, port);
ff_url_join(buf, buf_size, "udp", NULL, hostname, port, NULL);
if (local_port >= 0)
url_add_option(buf, buf_size, "localport=%d", local_port);
if (ttl >= 0)

33
libavformat/rtsp.c
View File

@ -1090,8 +1090,8 @@ static int make_setup_request(AVFormatContext *s, const char *host, int port,
/* first try in specified port range */
if (RTSP_RTP_PORT_MIN != 0) {
while (j <= RTSP_RTP_PORT_MAX) {
snprintf(buf, sizeof(buf), "rtp://%s?localport=%d",
host, j);
ff_url_join(buf, sizeof(buf), "rtp", NULL, host, -1,
"?localport=%d", j);
/* we will use two ports per rtp stream (rtp and rtcp) */
j += 2;
if (url_open(&rtsp_st->rtp_handle, buf, URL_RDWR) == 0)
@ -1201,8 +1201,8 @@ static int make_setup_request(AVFormatContext *s, const char *host, int port,
char url[1024];
/* XXX: also use address if specified */
snprintf(url, sizeof(url), "rtp://%s:%d",
host, reply->transports[0].server_port_min);
ff_url_join(url, sizeof(url), "rtp", NULL, host,
reply->transports[0].server_port_min, NULL);
if (!(rt->server_type == RTSP_SERVER_WMS && i > 1) &&
rtp_set_remote_url(rtsp_st->rtp_handle, url) < 0) {
err = AVERROR_INVALIDDATA;
@ -1230,8 +1230,8 @@ static int make_setup_request(AVFormatContext *s, const char *host, int port,
port = rtsp_st->sdp_port;
ttl = rtsp_st->sdp_ttl;
}
snprintf(url, sizeof(url), "rtp://%s:%d?ttl=%d",
inet_ntoa(in), port, ttl);
ff_url_join(url, sizeof(url), "rtp", NULL, inet_ntoa(in),
port, "?ttl=%d", ttl);
if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
@ -1388,6 +1388,9 @@ int ff_rtsp_connect(AVFormatContext *s)
RTSPMessageHeader reply1, *reply = &reply1;
int lower_transport_mask = 0;
char real_challenge[64];
if (!ff_network_init())
return AVERROR(EIO);
redirect:
/* extract hostname and port */
url_split(NULL, 0, auth, sizeof(auth),
@ -1447,7 +1450,7 @@ redirect:
}
/* open the tcp connexion */
snprintf(tcpname, sizeof(tcpname), "tcp://%s:%d", host, port);
ff_url_join(tcpname, sizeof(tcpname), "tcp", NULL, host, port, NULL);
if (url_open(&rtsp_hd, tcpname, URL_RDWR) < 0) {
err = AVERROR(EIO);
goto fail;
@ -1531,6 +1534,7 @@ redirect:
s->filename);
goto redirect;
}
ff_network_close();
return err;
}
#endif
@ -1886,6 +1890,7 @@ static int rtsp_read_close(AVFormatContext *s)
ff_rtsp_close_streams(s);
url_close(rt->rtsp_hd);
ff_network_close();
return 0;
}
@ -1933,6 +1938,9 @@ static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)
char *content;
char url[1024];
if (!ff_network_init())
return AVERROR(EIO);
/* read the whole sdp file */
/* XXX: better loading */
content = av_malloc(SDP_MAX_SIZE);
@ -1950,11 +1958,10 @@ static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)
for (i = 0; i < rt->nb_rtsp_streams; i++) {
rtsp_st = rt->rtsp_streams[i];
snprintf(url, sizeof(url), "rtp://%s:%d?localport=%d&ttl=%d",
inet_ntoa(rtsp_st->sdp_ip),
rtsp_st->sdp_port,
rtsp_st->sdp_port,
rtsp_st->sdp_ttl);
ff_url_join(url, sizeof(url), "rtp", NULL,
inet_ntoa(rtsp_st->sdp_ip), rtsp_st->sdp_port,
"?localport=%d&ttl=%d", rtsp_st->sdp_port,
rtsp_st->sdp_ttl);
if (url_open(&rtsp_st->rtp_handle, url, URL_RDWR) < 0) {
err = AVERROR_INVALIDDATA;
goto fail;
@ -1965,12 +1972,14 @@ static int sdp_read_header(AVFormatContext *s, AVFormatParameters *ap)
return 0;
fail:
ff_rtsp_close_streams(s);
ff_network_close();
return err;
}
static int sdp_read_close(AVFormatContext *s)
{
ff_rtsp_close_streams(s);
ff_network_close();
return 0;
}

1
libavformat/rtspenc.c
View File

@ -116,6 +116,7 @@ static int rtsp_write_close(AVFormatContext *s)
ff_rtsp_close_streams(s);
url_close(rt->rtsp_hd);
ff_network_close();
return 0;
}