static int process_response_to_keepalive_options(outbound_t *ob,
nta_outgoing_t *orq,
sip_t const *sip,
int status,
char const *phrase)
{
int binding_check;
int challenged = 0, credentials = 0;
msg_t *_reqmsg = nta_outgoing_getrequest(orq);
sip_t *request = sip_object(_reqmsg); msg_destroy(_reqmsg);
if (sip == NULL) {
SU_DEBUG_3(("outbound(%p): keepalive %u %s\n", (void *)ob->ob_owner,
status, phrase));
ob->ob_oo->oo_keepalive_error(ob->ob_owner, ob, status, phrase, TAG_END());
return 0;
}
if (status == 401 || status == 407) {
if (sip->sip_www_authenticate)
challenged += auc_challenge(ob->ob_keepalive.auc,
ob->ob_home,
sip->sip_www_authenticate,
sip_authorization_class) > 0;
if (sip->sip_proxy_authenticate)
challenged += auc_challenge(ob->ob_keepalive.auc,
ob->ob_home,
sip->sip_proxy_authenticate,
sip_proxy_authorization_class) > 0;
if (ob->ob_oo->oo_credentials)
credentials = ob->ob_oo->oo_credentials(ob->ob_owner,
ob->ob_keepalive.auc);
}
binding_check = outbound_nat_detect(ob, request, sip);
if (binding_check > 1) {
/* Bindings have changed */
if (outbound_contacts_from_via(ob, sip->sip_via) == 0) {
/* XXX - Destroy old keepalive template message */
/* re-REGISTER */
ob->ob_oo->oo_refresh(ob->ob_owner, ob);
return 0;
}
}
if (binding_check <= 1 && ob->ob_registered && ob->ob_keepalive.validating) {
int failed = 0;
unsigned loglevel = 3;
if (challenged > 0 && credentials > 0) {
keepalive_options_with_registration_probe(ob);
return 0;
}
if (status < 300 && ob->ob_keepalive.validated) {
loglevel = 5;
if (ob->ob_validated)
loglevel = 99; /* only once */
ob->ob_validated = ob->ob_once_validated = 1;
}
else if (status == 401 || status == 407 || status == 403)
loglevel = 5, failed = 1;
else
loglevel = 3, failed = 1;
if (loglevel >= SU_LOG->log_level) {
sip_contact_t const *m = ob->ob_rcontact;
if (m)
su_llog(SU_LOG, loglevel,
"outbound(%p): %s <" URL_PRINT_FORMAT ">\n",
(void *)ob->ob_owner,
failed ? "FAILED to validate" : "validated",
URL_PRINT_ARGS(m->m_url));
else
su_llog(SU_LOG, loglevel,
"outbound(%p): %s registration\n",
(void *)ob->ob_owner,
failed ? "FAILED to validate" : "validated");
if (failed)
su_llog(SU_LOG, loglevel, "outbound(%p): FAILED with %u %s\n",
(void *)ob->ob_owner, status, phrase);
}
if (failed)
ob->ob_oo->oo_probe_error(ob->ob_owner, ob, status, phrase, TAG_END());
}
else if (status == 408) {
SU_DEBUG_3(("outbound(%p): keepalive timeout\n", (void *)ob->ob_owner));
ob->ob_oo->oo_keepalive_error(ob->ob_owner, ob, status, phrase, TAG_END());
return 0;
}
ob->ob_keepalive.validating = 0;
if (ob->ob_keepalive.timer)
su_timer_set(ob->ob_keepalive.timer, keepalive_timer, ob);
return 0;
}
int nua_base_client_check_restart(nua_client_request_t *cr,
int status,
char const *phrase,
sip_t const *sip)
{
nua_handle_t *nh = cr->cr_owner;
nta_outgoing_t *orq;
#if 0
if (status == 302 || status == 305) {
sip_route_t r[1];
if (!can_redirect(sip->sip_contact, cr->cr_method))
return 0;
switch (status) {
case 302:
if (nua_dialog_zap(nh, nh->nh_ds) == 0 &&
nua_client_set_target(cr, sip->sip_contact->m_url) >= 0)
return nua_client_restart(cr, 100, "Redirected");
break;
case 305:
sip_route_init(r);
*r->r_url = *sip->sip_contact->m_url;
if (nua_dialog_zap(nh, nh->nh_ds) == 0 &&
sip_add_dup(cr->cr_msg, cr->cr_sip, (sip_header_t *)r) >= 0)
return nua_client_restart(cr, 100, "Redirected via a proxy");
break;
default:
break;
}
}
#endif
if (status == 423) {
unsigned my_expires = 0;
if (cr->cr_sip->sip_expires)
my_expires = cr->cr_sip->sip_expires->ex_delta;
if (sip->sip_min_expires &&
sip->sip_min_expires->me_delta > my_expires) {
sip_expires_t ex[1];
sip_expires_init(ex);
ex->ex_delta = sip->sip_min_expires->me_delta;
if (sip_add_dup(cr->cr_msg, NULL, (sip_header_t *)ex) < 0)
return 0;
return nua_client_restart(cr, 100, "Re-Negotiating Expiration");
}
}
if ((status == 401 && sip->sip_www_authenticate) ||
(status == 407 && sip->sip_proxy_authenticate)) {
int server = 0, proxy = 0;
if (sip->sip_www_authenticate)
server = auc_challenge(&nh->nh_auth, nh->nh_home,
sip->sip_www_authenticate,
sip_authorization_class);
if (sip->sip_proxy_authenticate)
proxy = auc_challenge(&nh->nh_auth, nh->nh_home,
sip->sip_proxy_authenticate,
sip_proxy_authorization_class);
if (server >= 0 && proxy >= 0) {
int invalid = cr->cr_challenged && server + proxy == 0;
cr->cr_challenged = 1;
if (invalid) {
/* Bad username/password */
SU_DEBUG_7(("nua(%p): bad credentials, clearing them\n", (void *)nh));
auc_clear_credentials(&nh->nh_auth, NULL, NULL);
}
else if (auc_has_authorization(&nh->nh_auth))
return nua_client_restart(cr, 100, "Request Authorized by Cache");
orq = cr->cr_orq, cr->cr_orq = NULL;
cr->cr_waiting = cr->cr_wait_for_cred = 1;
nua_client_report(cr, status, phrase, NULL, orq, NULL);
nta_outgoing_destroy(orq);
cr->cr_status = 0, cr->cr_phrase = NULL;
nua_client_request_unref(cr);
return 1;
}
}
if (0 && 500 <= status && status < 600 &&
sip->sip_retry_after &&
sip->sip_retry_after->af_delta < 32) {
su_timer_t *timer;
char phrase[18]; /* Retry After XXXX\0 */
timer = su_timer_create(su_root_task(nh->nh_nua->nua_root), 0);
if (su_timer_set_interval(timer, nua_client_restart_after, cr,
sip->sip_retry_after->af_delta * 1000) < 0) {
su_timer_destroy(timer);
return 0; /* Too bad */
}
cr->cr_timer = timer; /* This takes over cr reference from orq */
snprintf(phrase, sizeof phrase, "Retry After %u",
(unsigned)sip->sip_retry_after->af_delta);
orq = cr->cr_orq, cr->cr_orq = NULL;
cr->cr_waiting = 1;
nua_client_report(cr, 100, phrase, NULL, orq, NULL);
nta_outgoing_destroy(orq);
cr->cr_status = 0, cr->cr_phrase = NULL;
return 1;
}
return 0; /* This was a final response that cannot be restarted. */
}