diff options
author | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-08-17 13:37:08 +0000 |
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committer | russell <russell@f38db490-d61c-443f-a65b-d21fe96a405b> | 2007-08-17 13:37:08 +0000 |
commit | f2ffdcf8e9fd70d84c57bc6debe152357087a89f (patch) | |
tree | 1255280e2e50f66f69e8ba17a8167d7a60a18685 | |
parent | fea9ace809a136593a202bdd55d4e615b64eadfe (diff) |
Fix some crashes in chan_sip. This patch changes various places that add items
to the scheduler to ensure that they don't overwrite the ID of a previously
scheduled item. If there is one, it should be removed.
(closes issue #10391, closes issue #10256, probably others, patch by me)
git-svn-id: http://svn.digium.com/svn/asterisk/branches/1.4@79857 f38db490-d61c-443f-a65b-d21fe96a405b
-rw-r--r-- | channels/chan_sip.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/channels/chan_sip.c b/channels/chan_sip.c index edb5d4266..9b41cd680 100644 --- a/channels/chan_sip.c +++ b/channels/chan_sip.c @@ -2013,6 +2013,8 @@ static enum sip_result __sip_reliable_xmit(struct sip_pvt *p, int seqno, int res siptimer_a = pkt->timer_t1 * 2; /* Schedule retransmission */ + if (pkt->retransid > -1) + ast_sched_del(sched, pkt->retransid); pkt->retransid = ast_sched_add_variable(sched, siptimer_a, retrans_pkt, pkt, 1); if (option_debug > 3 && sipdebug) ast_log(LOG_DEBUG, "*** SIP TIMER: Initalizing retransmit timer on packet: Id #%d\n", pkt->retransid); @@ -2954,6 +2956,8 @@ static int sip_call(struct ast_channel *ast, char *dest, int timeout) p->invitestate = INV_CALLING; /* Initialize auto-congest time */ + if (p->initid > -1) + ast_sched_del(sched, p->initid); p->initid = ast_sched_add(sched, p->maxtime ? (p->maxtime * 4) : SIP_TRANS_TIMEOUT, auto_congest, p); } } @@ -12268,7 +12272,9 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str r->refresh= (int) expires_ms / 1000; /* Schedule re-registration before we expire */ - r->expire=ast_sched_add(sched, expires_ms, sip_reregister, r); + if (r->expire > -1) + ast_sched_del(sched, r->expire); + r->expire = ast_sched_add(sched, expires_ms, sip_reregister, r); ASTOBJ_UNREF(r, sip_registry_destroy); } return 1; @@ -15422,6 +15428,8 @@ static int sip_poke_noanswer(void *data) peer->lastms = -1; ast_device_state_changed("SIP/%s", peer->name); /* Try again quickly */ + if (peer->pokeexpire > -1) + ast_sched_del(sched, peer->pokeexpire); peer->pokeexpire = ast_sched_add(sched, DEFAULT_FREQ_NOTOK, sip_poke_peer_s, peer); return 0; } @@ -15485,8 +15493,11 @@ static int sip_poke_peer(struct sip_peer *peer) gettimeofday(&peer->ps, NULL); if (xmitres == XMIT_ERROR) sip_poke_noanswer(peer); /* Immediately unreachable, network problems */ - else + else { + if (peer->pokeexpire > -1) + ast_sched_del(sched, peer->pokeexpire); peer->pokeexpire = ast_sched_add(sched, DEFAULT_MAXMS * 2, sip_poke_noanswer, peer); + } return 0; } |