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Do not assume that the bridge_cdr is still attached to the channel when the 'h' exten is finished executing.

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It is possible for a masquerade operation to occur when the 'h' exten is operating. This operation moves
the CDR records around causing the bridge_cdr to no longer exist on the channel where it is expected to.
We can not safely modify it afterwards because of this, so don't even try.

(closes issue #14564)
Reported by: meric


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@179840 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2009-03-03 18:27:09 +00:00
parent 604a51f341
commit 3ef0938c76
1 changed files with 7 additions and 2 deletions
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9
res/res_features.c
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@@ -1958,8 +1958,13 @@ int ast_bridge_call(struct ast_channel *chan,struct ast_channel *peer,struct ast
ast_channel_lock(chan);
ast_copy_string(chan->exten, save_exten, sizeof(chan->exten));
chan->priority = save_prio;
if (bridge_cdr)
chan->cdr = swapper;
if (bridge_cdr) {
if (chan->cdr == bridge_cdr) {
chan->cdr = swapper;
} else {
bridge_cdr = NULL;
}
}
ast_set_flag(chan, AST_FLAG_BRIDGE_HANGUP_RUN);
ast_channel_unlock(chan);
/* protect the lastapp/lastdata against the effects of the hangup/dialplan code */