diff --git a/libavformat/rtsp.c b/libavformat/rtsp.c index 29994e4eb3..dd79407036 100644 --- a/libavformat/rtsp.c +++ b/libavformat/rtsp.c @@ -900,9 +900,13 @@ int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply, char buf[4096], buf1[1024], *q; unsigned char ch; const char *p; - int ret, content_length, line_count = 0; + int ret, content_length, line_count = 0, request = 0; unsigned char *content = NULL; +start: + line_count = 0; + request = 0; + content = NULL; memset(reply, 0, sizeof(*reply)); /* parse reply (XXX: use buffers) */ @@ -938,9 +942,15 @@ int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply, if (line_count == 0) { /* get reply code */ get_word(buf1, sizeof(buf1), &p); - get_word(buf1, sizeof(buf1), &p); - reply->status_code = atoi(buf1); - av_strlcpy(reply->reason, p, sizeof(reply->reason)); + if (!strncmp(buf1, "RTSP/", 5)) { + get_word(buf1, sizeof(buf1), &p); + reply->status_code = atoi(buf1); + av_strlcpy(reply->reason, p, sizeof(reply->reason)); + } else { + av_strlcpy(reply->reason, buf1, sizeof(reply->reason)); // method + get_word(buf1, sizeof(buf1), &p); // object + request = 1; + } } else { ff_rtsp_parse_line(reply, p, rt, method); av_strlcat(rt->last_reply, p, sizeof(rt->last_reply)); @@ -949,7 +959,7 @@ int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply, line_count++; } - if (rt->session_id[0] == '\0' && reply->session_id[0] != '\0') + if (rt->session_id[0] == '\0' && reply->session_id[0] != '\0' && !request) av_strlcpy(rt->session_id, reply->session_id, sizeof(rt->session_id)); content_length = reply->content_length; @@ -964,6 +974,44 @@ int ff_rtsp_read_reply(AVFormatContext *s, RTSPMessageHeader *reply, else av_free(content); + if (request) { + char buf[1024]; + char base64buf[AV_BASE64_SIZE(sizeof(buf))]; + const char* ptr = buf; + + if (!strcmp(reply->reason, "OPTIONS")) { + snprintf(buf, sizeof(buf), "RTSP/1.0 200 OK\r\n"); + if (reply->seq) + av_strlcatf(buf, sizeof(buf), "CSeq: %d\r\n", reply->seq); + if (reply->session_id[0]) + av_strlcatf(buf, sizeof(buf), "Session: %s\r\n", + reply->session_id); + } else { + snprintf(buf, sizeof(buf), "RTSP/1.0 501 Not Implemented\r\n"); + } + av_strlcat(buf, "\r\n", sizeof(buf)); + + if (rt->control_transport == RTSP_MODE_TUNNEL) { + av_base64_encode(base64buf, sizeof(base64buf), buf, strlen(buf)); + ptr = base64buf; + } + ffurl_write(rt->rtsp_hd_out, ptr, strlen(ptr)); + + rt->last_cmd_time = av_gettime(); + /* Even if the request from the server had data, it is not the data + * that the caller wants or expects. The memory could also be leaked + * if the actual following reply has content data. */ + if (content_ptr) + av_freep(content_ptr); + /* If method is set, this is called from ff_rtsp_send_cmd, + * where a reply to exactly this request is awaited. For + * callers from within packet reciving, we just want to + * return to the caller and go back to receiving packets. */ + if (method) + goto start; + return 0; + } + if (rt->seq != reply->seq) { av_log(s, AV_LOG_WARNING, "CSeq %d expected, %d received.\n", rt->seq, reply->seq);