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Issue #8817 - Registry corruption when packet retransmits fail. (tootai, patchy by oej) 

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@51659 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Olle Johansson 2007-01-23 15:36:01 +00:00
parent cd61f69a83
commit ef4db783c6
1 changed files with 26 additions and 15 deletions
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41
channels/chan_sip.c
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@ -1632,11 +1632,21 @@ static void unref_user(struct sip_user *user)
ASTOBJ_UNREF(user, sip_destroy_user);
}
static void unref_registry(struct sip_registry *reg)
static void registry_unref(struct sip_registry *reg)
{
if (option_debug > 2)
ast_log(LOG_DEBUG, "SIP Registry %s: refcount now %d\n", reg->hostname, reg->refcount - 1);
ASTOBJ_UNREF(reg, sip_registry_destroy);
}
/*! \brief Add object reference to SIP registry */
static struct sip_registry *registry_addref(struct sip_registry *reg)
{
if (option_debug > 2)
ast_log(LOG_DEBUG, "SIP Registry %s: refcount now %d\n", reg->hostname, reg->refcount + 1);
return ASTOBJ_REF(reg); /* Add pointer to registry in packet */
}
/*! \brief Interface structure with callbacks used to connect to UDPTL module*/
static struct ast_udptl_protocol sip_udptl = {
type: "SIP",
@ -1969,7 +1979,7 @@ static int retrans_pkt(void *data)
/* If no channel owner, destroy now */
/* Let the peerpoke system expire packets when the timer expires for poke_noanswer */
if (pkt->method != SIP_OPTIONS)
if (pkt->method != SIP_OPTIONS && pkt->method != SIP_REGISTER)
ast_set_flag(&pkt->owner->flags[0], SIP_NEEDDESTROY);
}
}
@ -3036,7 +3046,7 @@ static void __sip_destroy(struct sip_pvt *p, int lockowner, int lockdialoglist)
if (p->registry) {
if (p->registry->call == p)
p->registry->call = NULL;
unref_registry(p->registry);
registry_unref(p->registry);
}
/* Unlink us from the owner if we have one */
@ -4607,7 +4617,7 @@ static int sip_register(char *value, int lineno)
reg->callid_valid = FALSE;
reg->ocseq = INITIAL_CSEQ;
ASTOBJ_CONTAINER_LINK(&regl, reg); /* Add the new registry entry to the list */
unref_registry(reg);
registry_unref(reg);
return 0;
}
@ -7174,7 +7184,7 @@ static char *regstate2str(enum sipregistrystate regstate)
static int sip_reregister(void *data)
{
/* if we are here, we know that we need to reregister. */
struct sip_registry *r= ASTOBJ_REF((struct sip_registry *) data);
struct sip_registry *r= registry_addref((struct sip_registry *) data);
/* if we couldn't get a reference to the registry object, punt */
if (!r)
@ -7189,7 +7199,7 @@ static int sip_reregister(void *data)
r->expire = -1;
__sip_do_register(r);
unref_registry(r);
registry_unref(r);
return 0;
}
@ -7207,7 +7217,7 @@ static int sip_reg_timeout(void *data)
{
/* if we are here, our registration timed out, so we'll just do it over */
struct sip_registry *r = ASTOBJ_REF((struct sip_registry *) data);
struct sip_registry *r = registry_addref((struct sip_registry *) data);
struct sip_pvt *p;
int res;
@ -7220,8 +7230,10 @@ static int sip_reg_timeout(void *data)
/* Unlink us, destroy old call. Locking is not relevant here because all this happens
in the single SIP manager thread. */
p = r->call;
if (p->registry)
unref_registry(p->registry);
if (p->registry) {
registry_unref(p->registry);
p->registry = NULL;
}
r->call = NULL;
ast_set_flag(&p->flags[0], SIP_NEEDDESTROY);
/* Pretend to ACK anything just in case */
@ -7240,7 +7252,7 @@ static int sip_reg_timeout(void *data)
res=transmit_register(r, SIP_REGISTER, NULL, NULL);
}
manager_event(EVENT_FLAG_SYSTEM, "Registry", "ChannelDriver: SIP\r\nUsername: %s\r\nDomain: %s\r\nStatus: %s\r\n", r->username, r->hostname, regstate2str(r->regstate));
unref_registry(r);
registry_unref(r);
return 0;
}
@ -7306,7 +7318,7 @@ static int transmit_register(struct sip_registry *r, int sipmethod, const char *
r->portno = ntohs(p->sa.sin_port);
ast_set_flag(&p->flags[0], SIP_OUTGOING); /* Registration is outgoing call */
r->call=p; /* Save pointer to SIP packet */
p->registry = ASTOBJ_REF(r); /* Add pointer to registry in packet */
p->registry = registry_addref(r); /* Add pointer to registry in packet */
if (!ast_strlen_zero(r->secret)) /* Secret (password) */
ast_string_field_set(p, peersecret, r->secret);
if (!ast_strlen_zero(r->md5secret))
@ -10409,9 +10421,8 @@ static int sip_show_registry(int fd, int argc, char *argv[])
if (iterator->regtime) {
ast_localtime(&iterator->regtime, &tm, NULL);
strftime(tmpdat, sizeof(tmpdat), "%a, %d %b %Y %T", &tm);
} else {
tmpdat[0] = 0;
}
} else
tmpdat[0] = '\0';
ast_cli(fd, FORMAT, host, iterator->username, iterator->refresh, regstate2str(iterator->regstate), tmpdat);
ASTOBJ_UNLOCK(iterator);
} while(0));
@ -12241,7 +12252,7 @@ static int handle_response_register(struct sip_pvt *p, int resp, char *rest, str
/* Schedule re-registration before we expire */
r->expire=ast_sched_add(sched, expires_ms, sip_reregister, r);
unref_registry(r);
registry_unref(r);
}
return 1;
}