Module: kamailio Branch: master Commit: c275110a07fdad8963a08f5ca210f0d5fb717986 URL: https://github.com/kamailio/kamailio/commit/c275110a07fdad8963a08f5ca210f0d… Author: Aleksandar Yosifov <alexyosifov(a)gmail.com> Committer: Henning Westerholt <hw(a)skalatan.de> Date: 2020-02-03T16:33:16+01:00 ims_reqistrar_scscf: Fix bug with multi-notifications - Added more accurate contact comparison when sending NOTIFY to a subscriber. --- Modified: src/modules/ims_registrar_scscf/registrar_notify.c --- Diff: https://github.com/kamailio/kamailio/commit/c275110a07fdad8963a08f5ca210f0d… Patch: https://github.com/kamailio/kamailio/commit/c275110a07fdad8963a08f5ca210f0d… --- diff --git a/src/modules/ims_registrar_scscf/registrar_notify.c b/src/modules/ims_registrar_scscf/registrar_notify.c index 5f15cf60d7..a40aa1d71f 100644 --- a/src/modules/ims_registrar_scscf/registrar_notify.c +++ b/src/modules/ims_registrar_scscf/registrar_notify.c @@ -1351,6 +1351,21 @@ int aor_to_contact(str* aor, str* contact) { return ret; } +/*! + * \brief Match two contacts with full string - ips, ports and aliases + * \param c1 contact string 1 + * \param c2 contact string 2 + * \return 1 when they match, 0 when they not match + */ +static int contact_match(str* c1, str* c2) { + LM_DBG("Matching full contact string - comparing [%.*s] and [%.*s]\n", c1->len, c1->s, c2->len, c2->s); + if ((c1->len == c2->len) && !memcmp(c1->s, c2->s, c1->len)) { + return 1; + } + + return 0; +} + /*! * \brief Match a contact record to a contact string but only compare the ip port portion * \param ptr contact record @@ -1438,7 +1453,7 @@ void create_notifications(udomain_t* _t, impurecord_t* r_passed, str *presentity //This is a fix to ensure that when a user subscribes a full reg info is only sent to that UE if (event_type == IMS_REGISTRAR_SUBSCRIBE) { - if (contact_port_ip_match(watcher_contact, &s->watcher_contact) && + if (contact_match(watcher_contact, &s->watcher_contact) && (presentity_uri->len == s->presentity_uri.len) && (memcmp(s->presentity_uri.s, presentity_uri->s, presentity_uri->len) == 0)) { LM_DBG("This is a fix to ensure that we only send full reg info XML to the UE that just subscribed.\n"); LM_DBG("About to make new notification! We always increment the local cseq and version before we send a new notification\n");