/** Create a new outbound object */
outbound_t *
outbound_new(outbound_owner_t *owner,
outbound_owner_vtable const *owner_methods,
su_root_t *root,
nta_agent_t *agent,
char const *instance)
{
outbound_t *ob;
if (!owner || !owner_methods || !root || !agent)
return NULL;
ob = su_home_clone((su_home_t *)owner, sizeof *ob);
if (ob) {
su_md5_t md5[1];
uint8_t digest[SU_MD5_DIGEST_SIZE];
su_guid_t guid[1];
ob->ob_owner = owner;
ob->ob_oo = owner_methods;
ob->ob_root = root;
ob->ob_nta = agent;
if (instance)
ob->ob_instance =
su_sprintf(ob->ob_home, "+sip.instance=\"<%s>\"", instance);
ob->ob_reg_id = 0;
outbound_peer_info(ob, NULL);
/* Generate a random cookie (used as Call-ID) for us */
su_md5_init(md5);
su_guid_generate(guid);
if (instance)
su_md5_update(md5, (void *)instance, strlen(instance));
su_md5_update(md5, (void *)guid, sizeof guid);
su_md5_digest(md5, digest);
token64_e(ob->ob_cookie, sizeof ob->ob_cookie, digest, sizeof digest);
if (instance && !ob->ob_instance)
su_home_unref(ob->ob_home), ob = NULL;
}
return ob;
}
static int nua_notify_client_init_etag(nua_client_request_t *cr,
msg_t *msg, sip_t *sip,
tagi_t const *tags)
{
#if SU_HAVE_EXPERIMENTAL
nua_handle_t *nh = cr->cr_owner;
struct notifier_usage *nu = nua_dialog_usage_private(cr->cr_usage);
nua_server_request_t *sr;
if (nu->nu_tag)
su_free(nh->nh_home, nu->nu_tag), nu->nu_tag = NULL;
nu->nu_no_body = 0;
if (sip->sip_etag) {
nu->nu_appl_etags = 1;
nu->nu_tag = su_strdup(nh->nh_home, sip->sip_etag->g_string);
}
else if (!nu->nu_appl_etags && nu->nu_etags) {
su_md5_t md5[1];
unsigned char digest[SU_MD5_DIGEST_SIZE];
sip_payload_t pl[1] = { SIP_PAYLOAD_INIT() };
char token[2 * 16];
su_md5_init(md5);
if (sip->sip_payload) *pl = *sip->sip_payload;
if (pl->pl_len)
su_md5_update(md5, pl->pl_data, pl->pl_len);
su_md5_update(md5, &pl->pl_len, sizeof(pl->pl_len));
if (sip->sip_content_type)
su_md5_striupdate(md5, sip->sip_content_type->c_type);
su_md5_digest(md5, digest);
token64_e(token, sizeof token, digest, sizeof digest);
token[(sizeof token) - 1] = '\0';
nu->nu_tag = su_strdup(nh->nh_home, token);
}
if (!nu->nu_requested || !nu->nu_tag)
return 0;
/* Check if SUBSCRIBE had matching suppression */
for (sr = nh->nh_ds->ds_sr; sr; sr = sr->sr_next)
if (sr->sr_usage == cr->cr_usage && sr->sr_method == sip_method_subscribe)
break;
if (sr) {
sip_t const *sip = sr->sr_request.sip;
sip_suppress_body_if_match_t *sbim;
sip_suppress_notify_if_match_t *snim;
if (cr->cr_usage->du_ready) {
snim = sip_suppress_notify_if_match(sip);
if (snim && su_casematch(snim->snim_tag, nu->nu_tag)) {
if (nu->nu_requested > nu->nu_expires)
nu->nu_expires = nu->nu_requested;
nu->nu_requested = 0;
return nua_client_return(cr, 202, "NOTIFY Suppressed", msg);
}
}
sbim = sip_suppress_body_if_match(sip);
if (sbim && su_casematch(sbim->sbim_tag, nu->nu_tag))
nu->nu_no_body = 1;
}
#endif
return 0;
}
