int rx_send_aar_register(struct sip_msg *msg, AAASession* auth, saved_transaction_local_t* saved_t_data) {
AAAMessage* aar = 0;
int ret = 0;
AAA_AVP* avp = 0;
char x[4];
str identifier;
str ip;
uint16_t ip_version;
//we get ip and identifier for the auth session data
rx_authsessiondata_t* p_session_data = 0;
p_session_data = (rx_authsessiondata_t*) auth->u.auth.generic_data;
identifier = p_session_data->identifier;
ip = p_session_data->ip;
ip_version = p_session_data->ip_version;
LM_DBG("Send AAR register\n");
aar = cdpb.AAACreateRequest(IMS_Rx, IMS_AAR, Flag_Proxyable, auth);
if (!aar)
goto error;
/*Add AVPs*/
/* Add Auth-Application-Id AVP */
if (!rx_add_auth_application_id_avp(aar, IMS_Rx))
goto error;
if (!rx_add_vendor_specific_application_id_group(aar, IMS_vendor_id_3GPP,
IMS_Rx))
goto error;
/* Add Destination-Realm AVP, if not already there */
avp = cdpb.AAAFindMatchingAVP(aar, aar->avpList.head, AVP_Destination_Realm,
0, AAA_FORWARD_SEARCH);
if (!avp) {
str realm = rx_dest_realm;
if (realm.len && !rx_add_destination_realm_avp(aar, realm))
goto error;
}
/* Add Subscription ID AVP*/
identifier = cscf_get_public_identity(msg);
int identifier_type = AVP_Subscription_Id_Type_SIP_URI; //we only do IMPU now
rx_add_subscription_id_avp(aar, identifier, identifier_type);
/* Add media component description avp for register*/
rx_add_media_component_description_avp_register(aar);
/* Add specific action AVP's */
rx_add_specific_action_avp(aar, 1); // CHARGING_CORRELATION_EXCHANGE
rx_add_specific_action_avp(aar, 2); // INDICATION_OF_LOSS_OF_BEARER
rx_add_specific_action_avp(aar, 3); // INDICATION_RECOVERY_OF_BEARER
rx_add_specific_action_avp(aar, 4); // INDICATION_RELEASE_OF_BEARER
rx_add_specific_action_avp(aar, 5); // INDICATION_ESTABLISHMENT_OF_BEARER (now void)
rx_add_specific_action_avp(aar, 6); // IP-CAN_CHANGE
rx_add_specific_action_avp(aar, 12); // ACCESS_NETWORK_INFO_REPORT
/* Add Framed IP address AVP*/
if (!rx_add_framed_ip_avp(&aar->avpList, ip, ip_version)) {
LM_ERR("Unable to add framed IP AVP\n");
goto error;
}
/* Add Auth lifetime AVP */LM_DBG("auth_lifetime %u\n", rx_auth_expiry); //TODO check why this is 0 all the time
if (rx_auth_expiry) {
set_4bytes(x, rx_auth_expiry);
if (!rx_add_avp(aar, x, 4, AVP_Authorization_Lifetime,
AAA_AVP_FLAG_MANDATORY, 0, AVP_DUPLICATE_DATA, __FUNCTION__))
goto error;
}
if (auth)
cdpb.AAASessionsUnlock(auth->hash);
LM_DBG("sending AAR to PCRF\n");
if (rx_forced_peer.len)
ret = cdpb.AAASendMessageToPeer(aar, &rx_forced_peer,
(void*) async_aar_reg_callback, (void*) saved_t_data);
else
ret = cdpb.AAASendMessage(aar, (void*) async_aar_reg_callback,
(void*) saved_t_data);
return ret;
error:
LM_ERR("unexpected error\n");
if (aar)
cdpb.AAAFreeMessage(&aar);
if (auth) {
cdpb.AAASessionsUnlock(auth->hash);
cdpb.AAADropAuthSession(auth);
auth = 0;
}
return ret;
}
/**
* Sends the Authorization Authentication Request for Register messages
* @param req - SIP Register msg
* @param rx_auth_data - the returned rx auth data
* @param ip - ip address extracted from contact to register
* @param ip_version - AF_INET or AF_INET6
* @returns int >0 if sent AAR successfully, otherwise 0
*/
int rx_send_aar_register(struct sip_msg *msg, AAASession* auth, str *ip,
uint16_t *ip_version, str *aor, saved_transaction_local_t* saved_t_data) {
AAAMessage* aar = 0;
int ret = 0;
AAA_AVP* avp = 0;
char x[4];
LM_DBG("Send AAR register\n");
aar = cdpb.AAACreateRequest(IMS_Rx, IMS_AAR, Flag_Proxyable, auth);
if (!aar)
goto error;
/*Add AVPs*/
/* Add Auth-Application-Id AVP */
if (!rx_add_auth_application_id_avp(aar, IMS_Rx))
goto error;
if (!rx_add_vendor_specific_application_id_group(aar, IMS_vendor_id_3GPP,
IMS_Rx))
goto error;
/* Add Destination-Realm AVP, if not already there */
avp = cdpb.AAAFindMatchingAVP(aar, aar->avpList.head, AVP_Destination_Realm,
0, AAA_FORWARD_SEARCH);
if (!avp) {
str realm = rx_dest_realm;
if (realm.len && !rx_add_destination_realm_avp(aar, realm))
goto error;
}
/* Add Subscription ID AVP*/
str identifier;
cscf_get_from_uri(msg, &identifier);
int identifier_type = AVP_Subscription_Id_Type_SIP_URI; //we only do IMPU now
rx_add_subscription_id_avp(aar, identifier, identifier_type);
/* Add media component description avp for register*/
rx_add_media_component_description_avp_register(aar);
/* Add Framed IP address AVP*/
if (!rx_add_framed_ip_avp(&aar->avpList, *ip, *ip_version)) {
LM_ERR("Unable to add framed IP AVP\n");
goto error;
}
/* Add Auth lifetime AVP */LM_DBG("auth_lifetime %u\n", rx_auth_expiry); //TODO check why this is 0 all the time
if (rx_auth_expiry) {
set_4bytes(x, rx_auth_expiry);
if (!rx_add_avp(aar, x, 4, AVP_Authorization_Lifetime,
AAA_AVP_FLAG_MANDATORY, 0, AVP_DUPLICATE_DATA, __FUNCTION__))
goto error;
}
if (auth)
cdpb.AAASessionsUnlock(auth->hash);
LM_DBG("sending AAR to PCRF\n");
if (rx_forced_peer.len)
ret = cdpb.AAASendMessageToPeer(aar, &rx_forced_peer,
(void*) async_cdp_callback, (void*) saved_t_data);
else
ret = cdpb.AAASendMessage(aar, (void*) async_cdp_callback,
(void*) saved_t_data);
return ret;
error:
LM_ERR("unexpected error\n");
if (aar)
cdpb.AAAFreeMessage(&aar);
if (auth) {
cdpb.AAASessionsUnlock(auth->hash);
cdpb.AAADropAuthSession(auth);
auth = 0;
}
return ret;
}
