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| author | Nicolas George <nicolas.george@normalesup.org> | 2013-02-13 13:28:57 +0100 |
|---|---|---|
| committer | Nicolas George <nicolas.george@normalesup.org> | 2013-02-24 11:51:16 +0100 |
| commit | 3d7f4f87267cf260795f28de1f669c3f45e05a28 (patch) | |
| tree | ae2097404a00e7cab1e578565011c0a5d0dff832 | |
| parent | bf0712c2f8efe9731ff354870e57653badc07ef6 (diff) | |
| download | ffmpeg-3d7f4f87267cf260795f28de1f669c3f45e05a28.tar.gz | |
lavf/avio: check that the protocol supports the open mode.
Fix trac ticket #2139.
| -rw-r--r-- | libavformat/avio.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/libavformat/avio.c b/libavformat/avio.c index 6d8a8bb92a..b00cc9d349 100644 --- a/libavformat/avio.c +++ b/libavformat/avio.c @@ -119,6 +119,16 @@ static int url_alloc_for_protocol (URLContext **puc, struct URLProtocol *up, if (up->flags & URL_PROTOCOL_FLAG_NETWORK && !ff_network_init()) return AVERROR(EIO); #endif + if ((flags & AVIO_FLAG_READ) && !up->url_read) { + av_log(NULL, AV_LOG_ERROR, + "Impossible to open the '%s' protocol for reading\n", up->name); + return AVERROR(EIO); + } + if ((flags & AVIO_FLAG_WRITE) && !up->url_write) { + av_log(NULL, AV_LOG_ERROR, + "Impossible to open the '%s' protocol for writing\n", up->name); + return AVERROR(EIO); + } uc = av_mallocz(sizeof(URLContext) + strlen(filename) + 1); if (!uc) { err = AVERROR(ENOMEM); |