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lock the channel before calling ast_bridged_channel() to prevent a seg fault.

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AMI agents list called on shutdown causes a segfault, introducing proper locking
will prevent this.

(closes issue ASTERISK-18092)

Reported by: agustina
Patches: chan_agent.patch (License #5041) patch uploaded by irroot



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@335978 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Gregory Nietsky
2011-09-15 08:15:22 +00:00
parent 9910558356
commit 46e2968917
1 changed files with 7 additions and 3 deletions
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10
channels/chan_agent.c
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@@ -1506,6 +1506,7 @@ static int action_agents(struct mansession *s, const struct message *m)
char *talkingto = NULL;
char *talkingtoChan = NULL;
char *status = NULL;
struct ast_channel *bridge;
if (!ast_strlen_zero(id))
snprintf(idText, sizeof(idText) ,"ActionID: %s\r\n", id);
@@ -1530,10 +1531,13 @@ static int action_agents(struct mansession *s, const struct message *m)
if (p->owner && p->owner->_bridge) {
talkingto = S_COR(p->chan->caller.id.number.valid,
p->chan->caller.id.number.str, "n/a");
if (ast_bridged_channel(p->owner))
talkingtoChan = ast_strdupa(ast_bridged_channel(p->owner)->name);
else
ast_channel_lock(p->owner);
if ((bridge = ast_bridged_channel(p->owner))) {
talkingtoChan = ast_strdupa(bridge->name);
} else {
talkingtoChan = "n/a";
}
ast_channel_unlock(p->owner);
status = "AGENT_ONCALL";
} else {
talkingto = "n/a";