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streams: Ensure that stream is closed in ast_stream_and_wait on error

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When ast_stream_and_wait returns an error (for example, when attempting
to stream to a channel after hangup) the stream is not closed, and
callers typically do not check the return code. This results in leaking
file descriptors, leading to resource exhaustion.

This change ensures that the stream is closed in case of error.

ASTERISK-30198 #close
Reported-by: Julien Alie

Change-Id: Ie46b67314590ad75154595a3d34d461060b2e803
This commit is contained in:
Peter Fern
2022-11-22 14:37:19 +11:00
committed by George Joseph
parent 36bea9ad33
commit 58404b5c22
2 changed files with 5 additions and 0 deletions
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4
main/file.c
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@@ -1862,6 +1862,10 @@ int ast_stream_and_wait(struct ast_channel *chan, const char *file, const char *
res = ast_waitstream(chan, digits);
}
}
if (res == -1) {
ast_stopstream(chan);
}
return res;
}