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When doing an async goto, detect if the channel is already in the middle of a

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masquerade.  This can happen when chan_local is trying to optimize itself out.
If this happens, fail the async goto instead of bursting into flames.

(closes issue #13435)
Reported by: geoff2010


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@141806 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2008-09-08 21:02:36 +00:00
parent c2eee2c415
commit 79d074c9fa
1 changed files with 15 additions and 9 deletions
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24
main/pbx.c
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@@ -4609,17 +4609,23 @@ int ast_async_goto(struct ast_channel *chan, const char *context, const char *ex
S_OR(context, chan->context), S_OR(exten, chan->exten), priority);
/* Masquerade into temp channel */
ast_channel_masquerade(tmpchan, chan);
/* Grab the locks and get going */
ast_channel_lock(tmpchan);
ast_do_masquerade(tmpchan);
ast_channel_unlock(tmpchan);
/* Start the PBX going on our stolen channel */
if (ast_pbx_start(tmpchan)) {
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmpchan->name);
if (ast_channel_masquerade(tmpchan, chan)) {
/* Failed to set up the masquerade. It's probably chan_local
* in the middle of optimizing itself out. Sad. :( */
ast_hangup(tmpchan);
tmpchan = NULL;
res = -1;
} else {
/* Grab the locks and get going */
ast_channel_lock(tmpchan);
ast_do_masquerade(tmpchan);
ast_channel_unlock(tmpchan);
/* Start the PBX going on our stolen channel */
if (ast_pbx_start(tmpchan)) {
ast_log(LOG_WARNING, "Unable to start PBX on %s\n", tmpchan->name);
ast_hangup(tmpchan);
res = -1;
}
}
}
}