various improvements to outbound registrations and response handling (bug #3850)
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@5839 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
parent
68668b602d
commit
c9004afb94
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@ -75,6 +75,7 @@
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#define DEFAULT_DEFAULT_EXPIRY 120
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#define DEFAULT_MAX_EXPIRY 3600
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#define DEFAULT_REGISTRATION_TIMEOUT 20
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#define DEFAULT_REGATTEMPTS_MAX 10
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/* guard limit must be larger than guard secs */
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/* guard min must be < 1000, and should be >= 250 */
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@ -103,7 +104,7 @@ static int default_expiry = DEFAULT_DEFAULT_EXPIRY;
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#define DEFAULT_FREQ_OK 60 * 1000 /* How often to check for the host to be up */
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#define DEFAULT_FREQ_NOTOK 10 * 1000 /* How often to check, if the host is down... */
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#define DEFAULT_RETRANS 1000 /* How frequently to retransmit */
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#define DEFAULT_RETRANS 2000 /* How frequently to retransmit */
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#define MAX_RETRANS 5 /* Try only 5 times for retransmissions */
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@ -217,7 +218,8 @@ static int global_rtpholdtimeout = 0;
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static int global_rtpkeepalive = 0;
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static int global_reg_timeout = DEFAULT_REGISTRATION_TIMEOUT;
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static int global_reg_timeout = DEFAULT_REGISTRATION_TIMEOUT;
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static int global_regattempts_max = DEFAULT_REGATTEMPTS_MAX;
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/* Object counters */
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static int suserobjs = 0;
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@ -303,7 +305,7 @@ struct sip_request {
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int headers; /* # of SIP Headers */
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int method; /* Method of this request */
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char *header[SIP_MAX_HEADERS];
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int lines; /* SDP Content */
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int lines; /* SDP Content */
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char *line[SIP_MAX_LINES];
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char data[SIP_MAX_PACKET];
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};
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@ -601,6 +603,7 @@ static int sip_reloading = 0;
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#define REG_STATE_REJECTED 4
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#define REG_STATE_TIMEOUT 5
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#define REG_STATE_NOAUTH 6
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#define REG_STATE_GAVEUP 7
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/* sip_registry: Registrations with other SIP proxies */
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@ -615,6 +618,7 @@ struct sip_registry {
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char contact[256]; /* Contact extension */
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char random[80];
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int expire; /* Sched ID of expiration */
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int regattempts; /* Number of attempts */
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int timeout; /* sched id of sip_reg_timeout */
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int refresh; /* How often to refresh */
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struct sip_pvt *call; /* create a sip_pvt structure for each outbound "registration call" in progress */
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@ -1008,10 +1012,8 @@ static int __sip_ack(struct sip_pvt *p, int seqno, int resp, int sipmethod)
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/* Just in case... */
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char *msg;
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if (sipmethod > 0) {
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msg = sip_methods[sipmethod].text;
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} else
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msg = "___NEVER___";
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msg = sip_methods[sipmethod].text;
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cur = p->packets;
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while(cur) {
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if ((cur->seqno == seqno) && ((ast_test_flag(cur, FLAG_RESPONSE)) == resp) &&
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@ -1483,7 +1485,7 @@ static struct sip_user *find_user(const char *name, int realtime)
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/*--- create_addr: create address structure from peer definition ---*/
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/* Or, if peer not found, find it in the global DNS */
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/* returns TRUE on failure, FALSE on success */
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/* returns TRUE (-1) on failure, FALSE on success */
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static int create_addr(struct sip_pvt *r, char *opeer)
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{
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struct hostent *hp;
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@ -2636,6 +2638,7 @@ static struct sip_pvt *sip_alloc(char *callid, struct sockaddr_in *sin, int useg
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memset(p, 0, sizeof(struct sip_pvt));
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ast_mutex_init(&p->lock);
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p->method = intended_method;
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p->initid = -1;
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p->autokillid = -1;
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p->stateid = -1;
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@ -2688,7 +2691,8 @@ static struct sip_pvt *sip_alloc(char *callid, struct sockaddr_in *sin, int useg
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ast_rtp_setnat(p->vrtp, (ast_test_flag(p, SIP_NAT) & SIP_NAT_ROUTE));
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}
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ast_copy_string(p->fromdomain, default_fromdomain, sizeof(p->fromdomain));
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if (p->method != SIP_REGISTER)
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ast_copy_string(p->fromdomain, default_fromdomain, sizeof(p->fromdomain));
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build_via(p, p->via, sizeof(p->via));
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if (!callid)
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build_callid(p->callid, sizeof(p->callid), p->ourip, p->fromdomain);
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@ -4516,6 +4520,8 @@ static int transmit_notify_with_sipfrag(struct sip_pvt *p, int cseq)
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static char *regstate2str(int regstate)
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{
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switch(regstate) {
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case REG_STATE_GAVEUP:
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return "Gave up.";
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case REG_STATE_UNREGISTERED:
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return "Unregistered";
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case REG_STATE_REGSENT:
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@ -4579,7 +4585,7 @@ static int sip_reg_timeout(void *data)
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if (!r)
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return 0;
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ast_log(LOG_NOTICE, " -- Registration for '%s@%s' timed out, trying again\n", r->username, r->hostname);
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ast_log(LOG_NOTICE, " -- Registration for '%s@%s' timed out, trying again (Attempt #%d)\n", r->username, r->hostname, r->regattempts);
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if (r->call) {
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/* Unlink us, destroy old call. Locking is not relevent here because all this happens
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in the single SIP manager thread. */
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@ -4589,12 +4595,21 @@ static int sip_reg_timeout(void *data)
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r->call = NULL;
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ast_set_flag(p, SIP_NEEDDESTROY);
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/* Pretend to ACK anything just in case */
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/* OEJ: Ack what??? */
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__sip_pretend_ack(p);
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}
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r->regstate=REG_STATE_UNREGISTERED;
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/* If we have a limit, stop registration and give up */
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if (global_regattempts_max && r->regattempts > global_regattempts_max) {
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/* Ok, enough is enough. Don't try any more */
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/* We could add an external notification here...
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steal it from app_voicemail :-) */
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r->regstate=REG_STATE_GAVEUP;
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} else {
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r->regstate=REG_STATE_UNREGISTERED;
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r->timeout = -1;
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res=transmit_register(r, SIP_REGISTER, NULL, NULL);
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}
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manager_event(EVENT_FLAG_SYSTEM, "Registry", "Channel: SIP\r\nUser: %s\r\nDomain: %s\r\nStatus: %s\r\n", r->username, r->hostname, regstate2str(r->regstate));
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r->timeout = -1;
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res=transmit_register(r, SIP_REGISTER, NULL, NULL);
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ASTOBJ_UNREF(r,sip_registry_destroy);
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return 0;
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}
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@ -4612,13 +4627,13 @@ static int transmit_register(struct sip_registry *r, int sipmethod, char *auth,
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/* exit if we are already in process with this registrar ?*/
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if ( r == NULL || ((auth==NULL) && (r->regstate==REG_STATE_REGSENT || r->regstate==REG_STATE_AUTHSENT))) {
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ast_log(LOG_NOTICE, "Strange, trying to register when registration already pending\n");
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ast_log(LOG_NOTICE, "Strange, trying to register %s@%s when registration already pending\n", r->username, r->hostname);
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return 0;
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}
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if (r->call) {
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if (r->call) { /* We have a registration */
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if (!auth) {
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ast_log(LOG_WARNING, "Already have a call??\n");
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ast_log(LOG_WARNING, "Already have a REGISTER going on to %s@%s?? \n", r->username, r->hostname);
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return 0;
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} else {
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p = r->call;
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@ -4643,10 +4658,14 @@ static int transmit_register(struct sip_registry *r, int sipmethod, char *auth,
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* probably DNS. We need to reschedule a registration try */
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sip_destroy(p);
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if (r->timeout > -1) {
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ast_log(LOG_WARNING, "Still have a registration timeout (create_addr() error), %d\n", r->timeout);
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ast_sched_del(sched, r->timeout);
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r->timeout = ast_sched_add(sched, global_reg_timeout*1000, sip_reg_timeout, r);
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ast_log(LOG_WARNING, "Still have a registration timeout for %s@%s (create_addr() error), %d\n", r->username, r->hostname, r->timeout);
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} else {
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r->timeout = ast_sched_add(sched, global_reg_timeout*1000, sip_reg_timeout, r);
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ast_log(LOG_WARNING, "Propably a DNS error for registration to %s@%s, trying REGISTER again (after %d seconds)\n", r->username, r->hostname, global_reg_timeout * 1000);
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}
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r->timeout = ast_sched_add(sched, global_reg_timeout*1000, sip_reg_timeout, r);
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r->regattempts++;
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return 0;
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}
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@ -4689,13 +4708,13 @@ static int transmit_register(struct sip_registry *r, int sipmethod, char *auth,
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}
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/* set up a timeout */
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if (auth==NULL) {
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if (auth == NULL) {
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if (r->timeout > -1) {
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ast_log(LOG_WARNING, "Still have a registration timeout, %d\n", r->timeout);
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ast_sched_del(sched, r->timeout);
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}
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r->timeout = ast_sched_add(sched, global_reg_timeout*1000, sip_reg_timeout, r);
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ast_log(LOG_DEBUG, "Scheduled a registration timeout # %d\n", r->timeout);
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r->timeout = ast_sched_add(sched, global_reg_timeout * 1000, sip_reg_timeout, r);
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ast_log(LOG_DEBUG, "Scheduled a registration timeout for %s : %d\n", r->hostname, r->timeout);
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}
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if (strchr(r->username, '@')) {
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@ -4712,7 +4731,12 @@ static int transmit_register(struct sip_registry *r, int sipmethod, char *auth,
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snprintf(to, sizeof(to), "<sip:%s@%s>", r->username, p->tohost);
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}
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snprintf(addr, sizeof(addr), "sip:%s", p->tohost);
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/* Fromdomain is what we are registering to, regardless of actual
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host name from SRV */
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if (p->fromdomain && !ast_strlen_zero(p->fromdomain))
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snprintf(addr, sizeof(addr), "sip:%s", p->fromdomain);
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else
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snprintf(addr, sizeof(addr), "sip:%s", r->hostname);
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ast_copy_string(p->uri, addr, sizeof(p->uri));
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p->branch ^= rand();
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@ -4761,10 +4785,14 @@ static int transmit_register(struct sip_registry *r, int sipmethod, char *auth,
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add_blank_header(&req);
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copy_request(&p->initreq, &req);
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parse(&p->initreq);
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if (sip_debug_test_pvt(p))
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ast_verbose("%d headers, %d lines\n", p->initreq.headers, p->initreq.lines);
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if (sip_debug_test_pvt(p)) {
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ast_verbose("REGISTER %d headers, %d lines\n", p->initreq.headers, p->initreq.lines);
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}
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determine_firstline_parts(&p->initreq);
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r->regstate=auth?REG_STATE_AUTHSENT:REG_STATE_REGSENT;
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r->regattempts++; /* Another attempt */
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if (option_debug > 3)
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ast_verbose("REGISTER attempt %d to %s@%s\n", r->regattempts, r->username, r->hostname);
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return send_request(p, &req, 2, p->ocseq);
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}
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@ -8114,17 +8142,187 @@ static void check_pendings(struct sip_pvt *p)
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}
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}
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/*--- handle_response_register: Handle responses on REGISTER to services ---*/
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static int handle_response_register(struct sip_pvt *p, int resp, char *rest, struct sip_request *req, int ignore, int seqno)
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{
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struct sip_registry *r;
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r=p->registry;
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switch (resp) {
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case 401: /* Unauthorized */
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if ((p->authtries > 1) || do_register_auth(p, req, "WWW-Authenticate", "Authorization")) {
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ast_log(LOG_NOTICE, "Failed to authenticate on REGISTER to '%s@%s' (Tries %d)\n", p->registry->username, p->registry->hostname, p->authtries);
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ast_set_flag(p, SIP_NEEDDESTROY);
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}
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break;
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case 403: /* Forbidden */
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ast_log(LOG_WARNING, "Forbidden - wrong password on authentication for REGISTER for '%s' to '%s'\n", p->registry->username, p->registry->hostname);
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p->registry->regattempts = global_regattempts_max+1;
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ast_sched_del(sched, r->timeout);
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ast_set_flag(p, SIP_NEEDDESTROY);
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break;
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case 404: /* Not found */
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ast_log(LOG_WARNING, "Got 404 Not found on SIP register to service %s@%s, giving up\n", p->registry->username,p->registry->hostname);
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p->registry->regattempts = global_regattempts_max+1;
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ast_set_flag(p, SIP_NEEDDESTROY);
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r->call = NULL;
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ast_sched_del(sched, r->timeout);
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break;
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case 407: /* Proxy auth */
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if ((p->authtries > 1) || do_register_auth(p, req, "Proxy-Authenticate", "Proxy-Authorization")) {
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ast_log(LOG_NOTICE, "Failed to authenticate on REGISTER to '%s' (tries '%d')\n", get_header(&p->initreq, "From"), p->authtries);
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ast_set_flag(p, SIP_NEEDDESTROY);
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}
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break;
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case 479: /* SER: Not able to process the URI - address is wrong in register*/
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ast_log(LOG_WARNING, "Got error 479 on register to %s@%s, giving up (check config)\n", p->registry->username,p->registry->hostname);
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p->registry->regattempts = global_regattempts_max+1;
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ast_set_flag(p, SIP_NEEDDESTROY);
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r->call = NULL;
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ast_sched_del(sched, r->timeout);
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break;
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case 200:
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if (r) {
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int expires, expires_ms;
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r->regstate=REG_STATE_REGISTERED;
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manager_event(EVENT_FLAG_SYSTEM, "Registry", "Channel: SIP\r\nDomain: %s\r\nStatus: %s\r\n", r->hostname, regstate2str(r->regstate));
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ast_log(LOG_DEBUG, "Registration successful\n");
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if (r->timeout > -1) {
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ast_log(LOG_DEBUG, "Cancelling timeout %d\n", r->timeout);
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ast_sched_del(sched, r->timeout);
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}
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r->timeout=-1;
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r->call = NULL;
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p->registry = NULL;
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/* Let this one hang around until we have all the responses */
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sip_scheddestroy(p, 32000);
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/* ast_set_flag(p, SIP_NEEDDESTROY); */
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/* set us up for re-registering */
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/* figure out how long we got registered for */
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if (r->expire > -1)
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ast_sched_del(sched, r->expire);
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/* according to section 6.13 of RFC, contact headers override
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expires headers, so check those first */
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expires = 0;
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if (!ast_strlen_zero(get_header(req, "Contact"))) {
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char *contact = NULL;
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char *tmptmp = NULL;
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int start = 0;
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for(;;) {
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contact = __get_header(req, "Contact", &start);
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/* this loop ensures we get a contact header about our register request */
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if(!ast_strlen_zero(contact)) {
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if( (tmptmp=strstr(contact, p->our_contact))) {
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contact=tmptmp;
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break;
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}
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} else
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break;
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}
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tmptmp = strstr(contact, "expires=");
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if (tmptmp) {
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if (sscanf(tmptmp + 8, "%d;", &expires) != 1)
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expires = 0;
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}
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}
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if (!expires)
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expires=atoi(get_header(req, "expires"));
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if (!expires)
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expires=default_expiry;
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expires_ms = expires * 1000;
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if (expires <= EXPIRY_GUARD_LIMIT)
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expires_ms -= MAX((expires_ms * EXPIRY_GUARD_PCT),EXPIRY_GUARD_MIN);
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else
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expires_ms -= EXPIRY_GUARD_SECS * 1000;
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if (sipdebug)
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ast_log(LOG_NOTICE, "Outbound Registration: Expiry for %s is %d sec (Scheduling reregistration in %d ms)\n", r->hostname, expires, expires_ms);
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r->refresh= (int) expires_ms / 1000;
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/* Schedule re-registration before we expire */
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r->expire=ast_sched_add(sched, expires_ms, sip_reregister, r);
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ASTOBJ_UNREF(r, sip_registry_destroy);
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} else {
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if (r->expire)
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ast_log(LOG_WARNING, "Got 200 OK on REGISTER that is already done\n");
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else
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ast_log(LOG_WARNING, "Got 200 OK on REGISTER that isn't a register\n");
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ast_set_flag(p, SIP_NEEDDESTROY);
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return 0;
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}
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}
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return 1;
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}
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/*--- handle_response_peerpoke: Handle qualification responses (OPTIONS) */
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static int handle_response_peerpoke(struct sip_pvt *p, int resp, char *rest, struct sip_request *req, int ignore, int seqno, int sipmethod)
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{
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struct sip_peer *peer;
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int pingtime;
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struct timeval tv;
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if (resp != 100) {
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int statechanged = 0;
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int newstate = 0;
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peer = p->peerpoke;
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gettimeofday(&tv, NULL);
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pingtime = (tv.tv_sec - peer->ps.tv_sec) * 1000 +
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(tv.tv_usec - peer->ps.tv_usec) / 1000;
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if (pingtime < 1)
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pingtime = 1;
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if ((peer->lastms < 0) || (peer->lastms > peer->maxms)) {
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if (pingtime <= peer->maxms) {
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ast_log(LOG_NOTICE, "Peer '%s' is now REACHABLE! (%dms / %dms)\n", peer->name, pingtime, peer->maxms);
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statechanged = 1;
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newstate = 1;
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}
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} else if ((peer->lastms > 0) && (peer->lastms <= peer->maxms)) {
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if (pingtime > peer->maxms) {
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ast_log(LOG_NOTICE, "Peer '%s' is now TOO LAGGED! (%dms / %dms)\n", peer->name, pingtime, peer->maxms);
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statechanged = 1;
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newstate = 2;
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}
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}
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if (!peer->lastms)
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statechanged = 1;
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peer->lastms = pingtime;
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peer->call = NULL;
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if (statechanged) {
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ast_device_state_changed("SIP/%s", peer->name);
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if (newstate == 2) {
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manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "Peer: SIP/%s\r\nPeerStatus: Lagged\r\nTime: %d\r\n", peer->name, pingtime);
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} else {
|
||||
manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "Peer: SIP/%s\r\nPeerStatus: Reachable\r\nTime: %d\r\n", peer->name, pingtime);
|
||||
}
|
||||
}
|
||||
|
||||
if (peer->pokeexpire > -1)
|
||||
ast_sched_del(sched, peer->pokeexpire);
|
||||
if (sipmethod == SIP_INVITE) /* Does this really happen? */
|
||||
transmit_request(p, SIP_ACK, seqno, 0, 0);
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
|
||||
/* Try again eventually */
|
||||
if ((peer->lastms < 0) || (peer->lastms > peer->maxms))
|
||||
peer->pokeexpire = ast_sched_add(sched, DEFAULT_FREQ_NOTOK, sip_poke_peer_s, peer);
|
||||
else
|
||||
peer->pokeexpire = ast_sched_add(sched, DEFAULT_FREQ_OK, sip_poke_peer_s, peer);
|
||||
}
|
||||
return 1;
|
||||
}
|
||||
|
||||
/*--- handle_response: Handle SIP response in dialogue ---*/
|
||||
static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_request *req, int ignore, int seqno)
|
||||
{
|
||||
char *to;
|
||||
char *msg, *c;
|
||||
struct ast_channel *owner;
|
||||
struct sip_peer *peer;
|
||||
int pingtime;
|
||||
struct timeval tv;
|
||||
char iabuf[INET_ADDRSTRLEN];
|
||||
int sipmethod;
|
||||
int res = 1;
|
||||
|
||||
c = get_header(req, "Cseq");
|
||||
msg = strchr(c, ' '); /* Find method */
|
||||
|
@ -8146,65 +8344,23 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
|
|||
__sip_ack(p, seqno, 0, sipmethod);
|
||||
|
||||
/* Get their tag if we haven't already */
|
||||
to = get_header(req, "To");
|
||||
to = ast_strcasestr(to, "tag=");
|
||||
if (to) {
|
||||
to += 4;
|
||||
ast_copy_string(p->theirtag, to, sizeof(p->theirtag));
|
||||
to = strchr(p->theirtag, ';');
|
||||
if (to)
|
||||
*to = '\0';
|
||||
if (ast_strlen_zero(p->theirtag)) {
|
||||
to = get_header(req, "To");
|
||||
to = ast_strcasestr(to, "tag=");
|
||||
if (to) {
|
||||
to += 4;
|
||||
ast_copy_string(p->theirtag, to, sizeof(p->theirtag));
|
||||
to = strchr(p->theirtag, ';');
|
||||
if (to)
|
||||
*to = '\0';
|
||||
}
|
||||
}
|
||||
if (p->peerpoke) {
|
||||
/* We don't really care what the response is, just that it replied back.
|
||||
Well, as long as it's not a 100 response... since we might
|
||||
need to hang around for something more "definitive" */
|
||||
if (resp != 100) {
|
||||
int statechanged = 0;
|
||||
int newstate = 0;
|
||||
peer = p->peerpoke;
|
||||
gettimeofday(&tv, NULL);
|
||||
pingtime = (tv.tv_sec - peer->ps.tv_sec) * 1000 +
|
||||
(tv.tv_usec - peer->ps.tv_usec) / 1000;
|
||||
if (pingtime < 1)
|
||||
pingtime = 1;
|
||||
if ((peer->lastms < 0) || (peer->lastms > peer->maxms)) {
|
||||
if (pingtime <= peer->maxms) {
|
||||
ast_log(LOG_NOTICE, "Peer '%s' is now REACHABLE! (%dms / %dms)\n", peer->name, pingtime, peer->maxms);
|
||||
statechanged = 1;
|
||||
newstate = 1;
|
||||
}
|
||||
} else if ((peer->lastms > 0) && (peer->lastms <= peer->maxms)) {
|
||||
if (pingtime > peer->maxms) {
|
||||
ast_log(LOG_NOTICE, "Peer '%s' is now TOO LAGGED! (%dms / %dms)\n", peer->name, pingtime, peer->maxms);
|
||||
statechanged = 1;
|
||||
newstate = 2;
|
||||
}
|
||||
}
|
||||
if (!peer->lastms)
|
||||
statechanged = 1;
|
||||
peer->lastms = pingtime;
|
||||
peer->call = NULL;
|
||||
if (statechanged) {
|
||||
ast_device_state_changed("SIP/%s", peer->name);
|
||||
if (newstate == 2) {
|
||||
manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "Peer: SIP/%s\r\nPeerStatus: Lagged\r\nTime: %d\r\n", peer->name, pingtime);
|
||||
} else {
|
||||
manager_event(EVENT_FLAG_SYSTEM, "PeerStatus", "Peer: SIP/%s\r\nPeerStatus: Reachable\r\nTime: %d\r\n", peer->name, pingtime);
|
||||
}
|
||||
}
|
||||
|
||||
if (peer->pokeexpire > -1)
|
||||
ast_sched_del(sched, peer->pokeexpire);
|
||||
if (!strcasecmp(msg, "INVITE"))
|
||||
transmit_request(p, SIP_ACK, seqno, 0, 0);
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
/* Try again eventually */
|
||||
if ((peer->lastms < 0) || (peer->lastms > peer->maxms))
|
||||
peer->pokeexpire = ast_sched_add(sched, DEFAULT_FREQ_NOTOK, sip_poke_peer_s, peer);
|
||||
else
|
||||
peer->pokeexpire = ast_sched_add(sched, DEFAULT_FREQ_OK, sip_poke_peer_s, peer);
|
||||
}
|
||||
res = handle_response_peerpoke(p, resp, rest, req, ignore, seqno, sipmethod);
|
||||
} else if (ast_test_flag(p, SIP_OUTGOING)) {
|
||||
/* Acknowledge sequence number */
|
||||
if (p->initid > -1) {
|
||||
|
@ -8280,72 +8436,10 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
|
|||
transmit_request(p, SIP_ACK, seqno, 0, 1);
|
||||
check_pendings(p);
|
||||
} else if (sipmethod == SIP_REGISTER) {
|
||||
int expires, expires_ms;
|
||||
struct sip_registry *r;
|
||||
r=p->registry;
|
||||
if (r) {
|
||||
r->regstate=REG_STATE_REGISTERED;
|
||||
manager_event(EVENT_FLAG_SYSTEM, "Registry", "Channel: SIP\r\nDomain: %s\r\nStatus: %s\r\n", r->hostname, regstate2str(r->regstate));
|
||||
ast_log(LOG_DEBUG, "Registration successful\n");
|
||||
if (r->timeout > -1) {
|
||||
ast_log(LOG_DEBUG, "Cancelling timeout %d\n", r->timeout);
|
||||
ast_sched_del(sched, r->timeout);
|
||||
}
|
||||
r->timeout=-1;
|
||||
r->call = NULL;
|
||||
p->registry = NULL;
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
/* set us up for re-registering */
|
||||
/* figure out how long we got registered for */
|
||||
if (r->expire > -1)
|
||||
ast_sched_del(sched, r->expire);
|
||||
/* according to section 6.13 of RFC, contact headers override
|
||||
expires headers, so check those first */
|
||||
expires = 0;
|
||||
if (!ast_strlen_zero(get_header(req, "Contact"))) {
|
||||
char *contact = NULL;
|
||||
char *tmptmp = NULL;
|
||||
int start = 0;
|
||||
for(;;) {
|
||||
contact = __get_header(req, "Contact", &start);
|
||||
/* this loop ensures we get a contact header about our register request */
|
||||
if (!ast_strlen_zero(contact)) {
|
||||
if ( (tmptmp=strstr(contact, p->our_contact))) {
|
||||
contact=tmptmp;
|
||||
break;
|
||||
}
|
||||
} else
|
||||
break;
|
||||
}
|
||||
tmptmp = strstr(contact, "expires=");
|
||||
if (tmptmp) {
|
||||
if (sscanf(tmptmp + 8, "%d;", &expires) != 1)
|
||||
expires = 0;
|
||||
}
|
||||
}
|
||||
if (!expires) expires=atoi(get_header(req, "expires"));
|
||||
if (!expires) expires=default_expiry;
|
||||
|
||||
|
||||
expires_ms = expires * 1000;
|
||||
if (expires <= EXPIRY_GUARD_LIMIT)
|
||||
expires_ms -= MAX((expires_ms * EXPIRY_GUARD_PCT),EXPIRY_GUARD_MIN);
|
||||
else
|
||||
expires_ms -= EXPIRY_GUARD_SECS * 1000;
|
||||
if (sipdebug)
|
||||
ast_log(LOG_NOTICE, "Outbound Registration: Expiry for %s is %d sec (Scheduling reregistration in %d ms)\n", r->hostname, expires, expires_ms);
|
||||
|
||||
r->refresh= (int) expires_ms / 1000;
|
||||
|
||||
/* Schedule re-registration before we expire */
|
||||
r->expire=ast_sched_add(sched, expires_ms, sip_reregister, r);
|
||||
ASTOBJ_UNREF(r, sip_registry_destroy);
|
||||
} else
|
||||
ast_log(LOG_WARNING, "Got 200 OK on REGISTER that isn't a register\n");
|
||||
|
||||
res = handle_response_register(p, resp, rest, req, ignore, seqno);
|
||||
}
|
||||
break;
|
||||
case 401: /* Not www-authorized on REGISTER */
|
||||
case 401: /* Not www-authorized on SIP method */
|
||||
if (sipmethod == SIP_INVITE) {
|
||||
/* First we ACK */
|
||||
transmit_request(p, SIP_ACK, seqno, 0, 0);
|
||||
|
@ -8356,12 +8450,11 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
|
|||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
}
|
||||
} else if (p->registry && sipmethod == SIP_REGISTER) {
|
||||
if ((p->authtries > 1) || do_register_auth(p, req, "WWW-Authenticate", "Authorization")) {
|
||||
ast_log(LOG_NOTICE, "Failed to authenticate on REGISTER to '%s'\n", get_header(&p->initreq, "From"));
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
}
|
||||
} else
|
||||
res = handle_response_register(p, resp, rest, req, ignore, seqno);
|
||||
} else {
|
||||
ast_log(LOG_WARNING, "Got authentication request (401) on unknown %s to '%s'\n", sip_methods[sipmethod].text, get_header(req, "To"));
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
}
|
||||
break;
|
||||
case 403: /* Forbidden - we failed authentication */
|
||||
if (sipmethod == SIP_INVITE) {
|
||||
|
@ -8372,12 +8465,17 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
|
|||
ast_queue_control(p->owner, AST_CONTROL_CONGESTION);
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
} else if (p->registry && sipmethod == SIP_REGISTER) {
|
||||
ast_log(LOG_WARNING, "Forbidden - wrong password on authentication for REGISTER for '%s' to '%s'\n", p->registry->username, p->registry->hostname);
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
res = handle_response_register(p, resp, rest, req, ignore, seqno);
|
||||
} else {
|
||||
ast_log(LOG_WARNING, "Forbidden - wrong password on authentication for %s\n", msg);
|
||||
}
|
||||
break;
|
||||
case 404: /* Not found */
|
||||
if (p->registry && sipmethod == SIP_REGISTER) {
|
||||
res = handle_response_register(p, resp, rest, req, ignore, seqno);
|
||||
} else if (owner)
|
||||
ast_queue_control(p->owner, AST_CONTROL_CONGESTION);
|
||||
break;
|
||||
case 407: /* Proxy auth required */
|
||||
if (sipmethod == SIP_INVITE) {
|
||||
/* First we ACK */
|
||||
|
@ -8395,15 +8493,13 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
|
|||
if (ast_strlen_zero(p->authname))
|
||||
ast_log(LOG_WARNING, "Asked to authenticate %s, to %s:%d but we have no matching peer!\n",
|
||||
msg, ast_inet_ntoa(iabuf, sizeof(iabuf), p->recv.sin_addr), ntohs(p->recv.sin_port));
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
if ((p->authtries > 1) || do_proxy_auth(p, req, "Proxy-Authenticate", "Proxy-Authorization", sipmethod, 0)) {
|
||||
ast_log(LOG_NOTICE, "Failed to authenticate on %s to '%s'\n", msg, get_header(&p->initreq, "From"));
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
}
|
||||
} else if (p->registry && sipmethod == SIP_REGISTER) {
|
||||
if ((p->authtries > 1) || do_register_auth(p, req, "Proxy-Authenticate", "Proxy-Authorization")) {
|
||||
ast_log(LOG_NOTICE, "Failed to authenticate on REGISTER to '%s' (tries '%d')\n", get_header(&p->initreq, "From"), p->authtries);
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
}
|
||||
res = handle_response_register(p, resp, rest, req, ignore, seqno);
|
||||
} else
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
|
||||
|
@ -8495,13 +8591,19 @@ static void handle_response(struct sip_pvt *p, int resp, char *rest, struct sip_
|
|||
} else
|
||||
ast_log(LOG_NOTICE, "Dont know how to handle a %d %s response from %s\n", resp, rest, p->owner ? p->owner->name : ast_inet_ntoa(iabuf, sizeof(iabuf), p->sa.sin_addr));
|
||||
}
|
||||
} else {
|
||||
} else {
|
||||
/* Not outgoing - what is it? Unsolicited replies? */
|
||||
/* When do we get here? ---------??????????------------*/
|
||||
/* INCOMING Calls */
|
||||
if (option_debug > 2) {
|
||||
ast_verbose("!!!!!!!---------------************* Why are we here with this packet???? %s\n", msg);
|
||||
}
|
||||
if (sip_debug_test_pvt(p))
|
||||
ast_verbose("Response message is %s\n", msg);
|
||||
switch(resp) {
|
||||
case 200:
|
||||
/* Change branch since this is a 200 response */
|
||||
if (sipmethod == SIP_INVITE || sipmethod == SIP_REGISTER)
|
||||
if (sipmethod == SIP_INVITE)
|
||||
transmit_request(p, SIP_ACK, seqno, 0, 1);
|
||||
break;
|
||||
case 407:
|
||||
|
@ -9272,7 +9374,7 @@ static int handle_request(struct sip_pvt *p, struct sip_request *req, struct soc
|
|||
p->method = SIP_RESPONSE;
|
||||
/* Response to our request -- Do some sanity checks */
|
||||
if (!p->initreq.headers) {
|
||||
ast_log(LOG_DEBUG, "That's odd... Got a response on a call we dont know about.\n");
|
||||
ast_log(LOG_DEBUG, "That's odd... Got a response on a call we dont know about. Cseq %d Cmd %s\n", seqno, cmd);
|
||||
ast_set_flag(p, SIP_NEEDDESTROY);
|
||||
return 0;
|
||||
} else if (p->ocseq && (p->ocseq < seqno)) {
|
||||
|
@ -9884,7 +9986,7 @@ static struct ast_channel *sip_request(const char *type, int format, void *data,
|
|||
#endif
|
||||
p->prefcodec = format;
|
||||
ast_mutex_lock(&p->lock);
|
||||
tmpc = sip_new(p, AST_STATE_DOWN, host);
|
||||
tmpc = sip_new(p, AST_STATE_DOWN, host); /* Place the call */
|
||||
ast_mutex_unlock(&p->lock);
|
||||
if (!tmpc)
|
||||
sip_destroy(p);
|
||||
|
@ -10539,6 +10641,7 @@ static int reload_config(void)
|
|||
externhost[0] = '\0';
|
||||
externexpire = 0;
|
||||
externrefresh = 10;
|
||||
sipdebug = 0;
|
||||
ast_copy_string(default_useragent, DEFAULT_USERAGENT, sizeof(default_useragent));
|
||||
ast_copy_string(default_notifymime, DEFAULT_NOTIFYMIME, sizeof(default_notifymime));
|
||||
ast_copy_string(global_realm, DEFAULT_REALM, sizeof(global_realm));
|
||||
|
@ -10555,8 +10658,9 @@ static int reload_config(void)
|
|||
global_rtptimeout = 0;
|
||||
global_rtpholdtimeout = 0;
|
||||
global_rtpkeepalive = 0;
|
||||
global_reg_timeout = DEFAULT_REGISTRATION_TIMEOUT;
|
||||
pedanticsipchecking = 0;
|
||||
global_reg_timeout = DEFAULT_REGISTRATION_TIMEOUT;
|
||||
global_regattempts_max = DEFAULT_REGATTEMPTS_MAX;
|
||||
ast_clear_flag(&global_flags, AST_FLAGS_ALL);
|
||||
ast_set_flag(&global_flags, SIP_DTMF_RFC2833);
|
||||
ast_set_flag(&global_flags, SIP_NAT_RFC3581);
|
||||
|
@ -10661,10 +10765,14 @@ static int reload_config(void)
|
|||
default_expiry = atoi(v->value);
|
||||
if (default_expiry < 1)
|
||||
default_expiry = DEFAULT_DEFAULT_EXPIRY;
|
||||
} else if (!strcasecmp(v->name, "sipdebug")){
|
||||
sipdebug = ast_true(v->value);
|
||||
} else if (!strcasecmp(v->name, "registertimeout")){
|
||||
global_reg_timeout = atoi(v->value);
|
||||
if (global_reg_timeout < 1)
|
||||
global_reg_timeout = DEFAULT_REGISTRATION_TIMEOUT;
|
||||
} else if (!strcasecmp(v->name, "registerattempts")){
|
||||
global_regattempts_max = atoi(v->value);
|
||||
} else if (!strcasecmp(v->name, "bindaddr")) {
|
||||
if (!(hp = ast_gethostbyname(v->value, &ahp))) {
|
||||
ast_log(LOG_WARNING, "Invalid address: %s\n", v->value);
|
||||
|
|
Loading…
Reference in New Issue