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SIP channel name uniqueness

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SIP channel names were supposed to be unique by way of a name suffix derived from the
pointer to the channel's private data. Uniqueness was preserved on 32-bit systems, but
not on 64-bit systems. This patch, as suggested by kpfleming, replaces this suffix with
a simple incremented unsigned int.

(closes issue #15152)
Reported by: palbrecht

Review: https://reviewboard.asterisk.org/r/420/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@226976 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
David Brooks
2009-11-02 21:05:23 +00:00
parent 42d27c4390
commit 3264cb328c
1 changed files with 3 additions and 1 deletions
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4
channels/chan_sip.c
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@@ -502,6 +502,8 @@ static const struct cfsip_methods {
{ SIP_PING, NO_RTP, "PING", CAN_CREATE_DIALOG_UNSUPPORTED_METHOD }
};
static unsigned int chan_idx;
/*! Define SIP option tags, used in Require: and Supported: headers
We need to be aware of these properties in the phones to use
the replace: header. We should not do that without knowing
@@ -5713,7 +5715,7 @@ static struct ast_channel *sip_new(struct sip_pvt *i, int state, const char *tit
sip_pvt_unlock(i);
/* Don't hold a sip pvt lock while we allocate a channel */
tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, i->accountcode, i->exten, i->context, i->amaflags, "SIP/%s-%08x", my_name, (int)(long) i);
tmp = ast_channel_alloc(1, state, i->cid_num, i->cid_name, i->accountcode, i->exten, i->context, i->amaflags, "SIP/%s-%08x", my_name, ast_atomic_fetchadd_int((int *)&chan_idx, +1));
}
if (!tmp) {