void async_cdp_uar_callback(int is_timeout, void *param, AAAMessage *uaa, long elapsed_msecs) {
struct run_act_ctx ra_ctx;
str server_name;
int *m_capab = 0, m_capab_cnt = 0;
int *o_capab = 0, o_capab_cnt = 0;
str *p_server_names = 0;
int p_server_names_cnt = 0;
int rc = -1, experimental_rc = -1;
saved_uar_transaction_t* data = (saved_uar_transaction_t*) param;
struct cell *t = 0;
int result = CSCF_RETURN_TRUE;
scscf_entry *list = 0;
if (tmb.t_lookup_ident(&t, data->tindex, data->tlabel) < 0) {
LM_ERR("ERROR: t_continue: transaction not found\n");
//result = CSCF_RETURN_ERROR;//not needed we set by default to error!
goto error;
}
if (is_timeout != 0) {
LM_ERR("Error timeout when sending message via CDP\n");
update_stat(stat_uar_timeouts, 1);
goto error;
}
//update stats on response time
update_stat(uar_replies_received, 1);
update_stat(uar_replies_response_time, elapsed_msecs);
if (!uaa) {
LM_ERR("Error sending message via CDP\n");
//result = CSCF_RETURN_ERROR;//not needed we set by default to error!
goto error;
}
server_name = cxdx_get_server_name(uaa);
if (!server_name.len) {
cxdx_get_capabilities(uaa, &m_capab, &m_capab_cnt, &o_capab,
&o_capab_cnt, &p_server_names, &p_server_names_cnt);
}
cxdx_get_result_code(uaa, &rc);
cxdx_get_experimental_result_code(uaa, &experimental_rc);
if (rc && !experimental_rc) {
LM_ERR("No result code or experimental result code - responding 480\n");
cscf_reply_transactional_async(t, t->uas.request, 480, MSG_480_DIAMETER_MISSING_AVP);
result = CSCF_RETURN_FALSE;
goto done;
}
switch (rc) {
case -1:
switch (experimental_rc) {
case RC_IMS_DIAMETER_ERROR_USER_UNKNOWN:
/* Check, if route is set: */
if (route_uar_user_unknown_no >= 0) {
/* exec routing script */
init_run_actions_ctx(&ra_ctx);
if (run_actions(&ra_ctx, main_rt.rlist[route_uar_user_unknown_no], t->uas.request) < 0) {
LM_DBG("ims_icscf: error while trying script\n");
}
} else {
cscf_reply_transactional_async(t, t->uas.request, 403, MSG_403_USER_UNKNOWN);
}
LM_ERR("RC_IMS_DIAMETER_ERROR_USER_UNKNOWN\n");
result = CSCF_RETURN_FALSE;
goto done;
case RC_IMS_DIAMETER_ERROR_IDENTITIES_DONT_MATCH:
LM_ERR("RC_IMS_DIAMETER_ERROR_IDENTITIES_DONT_MATCH returning 403\n");
cscf_reply_transactional_async(t, t->uas.request, 403, MSG_403_IDENTITIES_DONT_MATCH);
result = CSCF_RETURN_FALSE;
goto done;
case RC_IMS_DIAMETER_ERROR_ROAMING_NOT_ALLOWED:
LM_ERR("RC_IMS_DIAMETER_ERROR_ROAMING_NOT_ALLOWED returning 403\n");
cscf_reply_transactional_async(t, t->uas.request, 403, MSG_403_ROAMING_NOT_ALLOWED);
result = CSCF_RETURN_FALSE;
goto done;
case RC_IMS_DIAMETER_ERROR_IDENTITY_NOT_REGISTERED:
LM_ERR("RC_IMS_DIAMETER_ERROR_IDENTITY_NOT_REGISTERED returning 403\n");
cscf_reply_transactional_async(t, t->uas.request, 403, MSG_403_IDENTITY_NOT_REGISTERED);
result = CSCF_RETURN_FALSE;
goto done;
case RC_IMS_DIAMETER_FIRST_REGISTRATION:
goto success;
case RC_IMS_DIAMETER_SUBSEQUENT_REGISTRATION:
goto success;
case RC_IMS_DIAMETER_SERVER_SELECTION:
goto success;
default:
LM_ERR("MSG_403_UNKOWN_EXPERIMENTAL_RC returning 500\n");
cscf_reply_transactional_async(t, t->uas.request, 500, MSG_500_UNKOWN_EXPERIMENTAL_RC);
result = CSCF_RETURN_FALSE;
goto done;
}
break;
case AAA_AUTHORIZATION_REJECTED:
LM_ERR("AAA_AUTHORIZATION_REJECTED returning 403\n");
cscf_reply_transactional_async(t, t->uas.request, 403, MSG_403_AUTHORIZATION_REJECTED);
result = CSCF_RETURN_FALSE;
goto done;
case AAA_UNABLE_TO_COMPLY:
LM_ERR("AAA_UNABLE_TO_COMPLY returning 403\n");
cscf_reply_transactional_async(t, t->uas.request, 500, MSG_500_UNABLE_TO_COMPLY);
result = CSCF_RETURN_FALSE;
goto done;
case AAA_SUCCESS:
goto success;
default:
LM_ERR("MSG_403_UNKOWN_RC returning 403\n");
cscf_reply_transactional_async(t, t->uas.request, 403, MSG_403_UNKOWN_RC);
result = CSCF_RETURN_FALSE;
goto done;
}
success:
LM_DBG("successful UAA response\n");
list = I_get_capab_ordered(server_name, m_capab, m_capab_cnt, o_capab, o_capab_cnt, p_server_names, p_server_names_cnt, 0);
if (!list) {
LM_ERR("Empty capability list returning 600\n");
cscf_reply_transactional_async(t, t->uas.request, 600, MSG_600_EMPTY_LIST);
result = CSCF_RETURN_FALSE;
goto done;
}
if (!data->callid.len || !add_scscf_list(data->callid, list)) {
LM_ERR("Error saving capability list 500\n");
cscf_reply_transactional_async(t, t->uas.request, 500, MSG_500_ERROR_SAVING_LIST);
result = CSCF_RETURN_FALSE;
goto done;
}
result = CSCF_RETURN_TRUE;
done:
//free capabilities if they exist
if (m_capab) shm_free(m_capab);
if (o_capab) shm_free(o_capab);
if (p_server_names) shm_free(p_server_names);
LM_DBG("DBG:UAR Async CDP callback: ... Done resuming transaction\n");
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_URI, &t->uri_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_URI, &t->uri_avps_to);
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_USER, &t->user_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_USER, &t->user_avps_to);
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_DOMAIN, &t->domain_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_DOMAIN, &t->domain_avps_to);
create_uaa_return_code(result);
if (t)tmb.unref_cell(t);
//free memory
if (uaa) cdpb.AAAFreeMessage(&uaa);
tmb.t_continue(data->tindex, data->tlabel, data->act);
free_saved_uar_transaction_data(data);
return;
error:
if (t)tmb.unref_cell(t);
//free memory
if (uaa) cdpb.AAAFreeMessage(&uaa);
tmb.t_continue(data->tindex, data->tlabel, data->act);
free_saved_uar_transaction_data(data);
}
void async_cdp_callback(int is_timeout, void *param, AAAMessage *maa, long elapsed_msecs) {
int i, j;
int rc = -1, experimental_rc = -1;
saved_transaction_t* data = (saved_transaction_t*) param;
struct cell *t = 0;
int result = CSCF_RETURN_TRUE;
int sip_number_auth_items;
struct auth_data_item_list *adi_list = 0;
AAA_AVP *auth_data;
auth_data = 0;
int item_number;
str authenticate = {0, 0}, authorization2 = {0, 0}, ck = {0, 0}, ik = {0, 0}, ip = {0, 0}, ha1 = {0, 0};
str line_identifier = {0, 0};
str response_auth = {0, 0}, digest_realm = {0, 0};
auth_vector *av = 0, **avlist = 0;
HASHHEX ha1_hex;
HASHHEX result_hex;
str etsi_nonce = {0, 0};
str private_identity, public_identity;
str algorithm;
if (is_timeout) {
update_stat(stat_mar_timeouts, 1);
LM_ERR("Transaction timeout - did not get MAA\n");
result = CSCF_RETURN_ERROR;
goto error;
}
if (!maa) {
LM_ERR("Error sending message via CDP\n");
result = CSCF_RETURN_ERROR;
goto error;
}
update_stat(mar_replies_received, 1);
update_stat(mar_replies_response_time, elapsed_msecs);
if (tmb.t_lookup_ident(&t, data->tindex, data->tlabel) < 0) {
LM_ERR("t_continue: transaction not found\n");
result = CSCF_RETURN_ERROR;
goto error;
}
/* get the private_identity */
private_identity = get_private_identity(t->uas.request, data->realm, data->is_proxy_auth);
if (!private_identity.len) {
LM_ERR("No private identity specified (Authorization: username)\n");
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_NO_PRIVATE);
result = CSCF_RETURN_FALSE;
goto error;
}
/* get the public_identity */
public_identity = get_public_identity(t->uas.request);
if (!public_identity.len) {
LM_ERR("No public identity specified (To:)\n");
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_NO_PUBLIC);
result = CSCF_RETURN_FALSE;
goto error;
}
//get each individual element from the MAA
cxdx_get_result_code(maa, &rc);
cxdx_get_experimental_result_code(maa, &experimental_rc);
cxdx_get_sip_number_auth_items(maa, &sip_number_auth_items);
//now assign the auth_data_item elements
//there can be many of these in the MAA
struct auth_data_item *adi;
int adi_len;
char *p;
while ((cxdx_get_auth_data_item_answer(maa, &auth_data, &item_number,
&algorithm, &authenticate, &authorization2,
&ck, &ik,
&ip,
&ha1, &response_auth, &digest_realm,
&line_identifier))) {
//create an auth_data_item for each entry in the MAA
adi_len = sizeof (struct auth_data_item) +authenticate.len + authorization2.len + ck.len + ik.len + ip.len + ha1.len + line_identifier.len + response_auth.len + digest_realm.len + algorithm.len;
adi = (struct auth_data_item*) shm_malloc(adi_len);
if (!adi) {
LM_CRIT("Out of memory!\n");
result = CSCF_RETURN_ERROR;
goto done;
}
memset(adi, 0, adi_len);
//put all elements in the auth_data_item entry
p = (char*) (adi + 1);
adi->authenticate.s = p;
adi->authenticate.len = authenticate.len;
memcpy(p, authenticate.s, authenticate.len);
p += authenticate.len;
adi->authorization.s = p;
adi->authorization.len = authorization2.len;
memcpy(p, authorization2.s, authorization2.len);
p += authorization2.len;
adi->auth_scheme.s = p;
adi->auth_scheme.len = algorithm.len;
memcpy(p, algorithm.s, algorithm.len);
p += algorithm.len;
adi->ck.s = p;
adi->ck.len = ck.len;
memcpy(p, ck.s, ck.len);
p += ck.len;
adi->ik.s = p;
adi->ik.len = ik.len;
memcpy(p, ik.s, ik.len);
p += ik.len;
adi->ip.s = p;
adi->ip.len = ip.len;
memcpy(p, ip.s, ip.len);
p += ip.len;
adi->ha1.s = p;
adi->ha1.len = ha1.len;
memcpy(p, ha1.s, ha1.len);
p += ha1.len;
adi->line_identifier.s = p;
adi->line_identifier.len = line_identifier.len;
memcpy(p, line_identifier.s, line_identifier.len);
p += line_identifier.len;
adi->response_auth.s = p;
adi->response_auth.len = response_auth.len;
memcpy(p, response_auth.s, response_auth.len);
p += response_auth.len;
adi->digest_realm.s = p;
adi->digest_realm.len = digest_realm.len;
memcpy(p, digest_realm.s, digest_realm.len);
p += digest_realm.len;
if (p != (((char*) adi) + adi_len)) {
LM_CRIT("buffer overflow\n");
shm_free(adi);
adi = 0;
result = CSCF_RETURN_ERROR;
goto done;
}
auth_data->code = -auth_data->code;
adi->item_number = item_number;
int len = sizeof (struct auth_data_item_list);
adi_list = (struct auth_data_item_list*) shm_malloc(len);
memset(adi_list, 0, len);
if (adi_list->first == 0) {
adi_list->first = adi_list->last = adi;
} else {
adi_list->last->next = adi;
adi->previous = adi_list->last;
adi_list->last = adi;
}
}
if (!(rc) && !(experimental_rc)) {
stateful_request_reply_async(t, t->uas.request, 480, MSG_480_DIAMETER_MISSING_AVP);
result = CSCF_RETURN_FALSE;
goto done;
}
switch (rc) {
case -1:
switch (experimental_rc) {
case RC_IMS_DIAMETER_ERROR_USER_UNKNOWN:
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_USER_UNKNOWN);
result = CSCF_RETURN_FALSE;
break;
case RC_IMS_DIAMETER_ERROR_IDENTITIES_DONT_MATCH:
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_IDENTITIES_DONT_MATCH);
result = CSCF_RETURN_FALSE;
break;
case RC_IMS_DIAMETER_ERROR_AUTH_SCHEME_NOT_SUPPORTED:
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_AUTH_SCHEME_UNSOPPORTED);
result = CSCF_RETURN_FALSE;
break;
default:
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_UNKOWN_EXPERIMENTAL_RC);
result = CSCF_RETURN_FALSE;
}
break;
case AAA_UNABLE_TO_COMPLY:
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_UNABLE_TO_COMPLY);
result = CSCF_RETURN_FALSE;
break;
case AAA_SUCCESS:
goto success;
break;
default:
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_UNKOWN_RC);
result = CSCF_RETURN_FALSE;
}
goto done;
success:
if (!sip_number_auth_items) {
stateful_request_reply_async(t, t->uas.request, 403, MSG_403_NO_AUTH_DATA);
result = CSCF_RETURN_FALSE;
goto done;
}
avlist = shm_malloc(sizeof (auth_vector *) * sip_number_auth_items);
if (!avlist) {
stateful_request_reply_async(t, t->uas.request, 403, MSG_480_HSS_ERROR);
result = CSCF_RETURN_FALSE;
goto done;
}
sip_number_auth_items = 0;
struct auth_data_item *tmp;
tmp = adi_list->first;
while (tmp) {
if (tmp->ip.len)
av = new_auth_vector(tmp->item_number, tmp->auth_scheme, empty_s,
tmp->ip, empty_s, empty_s);
else if (tmp->line_identifier.len)
av = new_auth_vector(tmp->item_number, tmp->auth_scheme, empty_s,
line_identifier, empty_s, empty_s);
else if (tmp->ha1.len) {
if (tmp->response_auth.len) //HSS check
{
memset(ha1_hex, 0, HASHHEXLEN + 1);
memcpy(ha1_hex, tmp->ha1.s,
tmp->ha1.len > HASHHEXLEN ? 32 : tmp->ha1.len);
etsi_nonce.len = tmp->authenticate.len / 2;
etsi_nonce.s = pkg_malloc(etsi_nonce.len);
if (!etsi_nonce.s) {
LM_ERR("error allocating %d bytes\n", etsi_nonce.len);
goto done;
}
etsi_nonce.len = base16_to_bin(tmp->authenticate.s,
tmp->authenticate.len, etsi_nonce.s);
calc_response(ha1_hex, &etsi_nonce, &empty_s, &empty_s,
&empty_s, 0, &(t->uas.request->first_line.u.request.method),
&scscf_name_str, 0, result_hex);
pkg_free(etsi_nonce.s);
if (!tmp->response_auth.len == 32
|| strncasecmp(tmp->response_auth.s, result_hex, 32)) {
LM_ERR("The HSS' Response-Auth is different from what we compute locally!\n"
" BUT! If you sent an MAR with auth scheme unknown (HSS-Selected Authentication), this is normal.\n"
"HA1=\t|%s|\nNonce=\t|%.*s|\nMethod=\t|%.*s|\nuri=\t|%.*s|\nxresHSS=\t|%.*s|\nxresSCSCF=\t|%s|\n",
ha1_hex,
tmp->authenticate.len, tmp->authenticate.s,
t->uas.request->first_line.u.request.method.len, t->uas.request->first_line.u.request.method.s,
scscf_name_str.len, scscf_name_str.s,
tmp->response_auth.len, tmp->response_auth.s,
result_hex);
//stateful_register_reply(msg,514,MSG_514_HSS_AUTH_FAILURE);
//goto done;
}
}
av = new_auth_vector(tmp->item_number, tmp->auth_scheme,
tmp->authenticate, tmp->ha1, empty_s, empty_s);
} else
av = new_auth_vector(tmp->item_number, tmp->auth_scheme,
tmp->authenticate, tmp->authorization, tmp->ck, tmp->ik);
if (sip_number_auth_items == 0)
avlist[sip_number_auth_items++] = av;
else {
i = sip_number_auth_items;
while (i > 0 && avlist[i - 1]->item_number > av->item_number)
i--;
for (j = sip_number_auth_items; j > i; j--)
avlist[j] = avlist[j - 1];
avlist[i] = av;
sip_number_auth_items++;
}
//TODO need to confirm that removing this has done no problems
//tmp->auth_data->code = -tmp->auth_data->code;
LM_DBG("Added new auth-vector.\n");
tmp = tmp->next;
}
//MAA returns a whole list of av! Which should we use?
//right now we take the first and put the rest in the AV queue
//then we use the first one and then add it to the queue as sent!
for (i = 1; i < sip_number_auth_items; i++)
if (!add_auth_vector(private_identity, public_identity, avlist[i]))
free_auth_vector(avlist[i]);
if (!pack_challenge(t->uas.request, data->realm, avlist[0], data->is_proxy_auth)) {
stateful_request_reply_async(t, t->uas.request, 500, MSG_500_PACK_AV);
result = CSCF_RETURN_FALSE;
goto done;
}
if (data->is_proxy_auth)
stateful_request_reply_async(t, t->uas.request, 407, MSG_407_CHALLENGE);
else
stateful_request_reply_async(t, t->uas.request, 401, MSG_401_CHALLENGE);
done:
if (avlist) {
start_reg_await_timer(avlist[0]); //start the timer to remove stale or unused Auth Vectors
//now we add it to the queue as sent as we have already sent the challenge and used it and set the status to SENT
if (!add_auth_vector(private_identity, public_identity, avlist[0]))
free_auth_vector(avlist[0]);
}
//free memory
if (maa) cdpb.AAAFreeMessage(&maa);
if (avlist) {
shm_free(avlist);
avlist = 0;
}
if (adi_list) {
struct auth_data_item *tmp1 = adi_list->first;
while (tmp1) {
struct auth_data_item *tmp2 = tmp1->next;
shm_free(tmp1);
tmp1 = tmp2;
}
shm_free(adi_list);
adi_list = 0;
}
LM_DBG("DBG:UAR Async CDP callback: ... Done resuming transaction\n");
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_URI, &t->uri_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_URI, &t->uri_avps_to);
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_USER, &t->user_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_USER, &t->user_avps_to);
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_DOMAIN, &t->domain_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_DOMAIN, &t->domain_avps_to);
//make sure we delete any private lumps we created
create_return_code(result);
if (t) {
del_nonshm_lump_rpl(&t->uas.request->reply_lump);
tmb.unref_cell(t);
}
tmb.t_continue(data->tindex, data->tlabel, data->act);
free_saved_transaction_data(data);
return;
error:
//don't need to set result code as by default it is ERROR!
if (t) {
del_nonshm_lump_rpl(&t->uas.request->reply_lump);
tmb.unref_cell(t);
}
tmb.t_continue(data->tindex, data->tlabel, data->act);
free_saved_transaction_data(data);
}
void async_cdp_callback(int is_timeout, void *param, AAAMessage *saa, long elapsed_msecs) {
struct cell *t = 0;
int rc = -1, experimental_rc = -1;
int result = CSCF_RETURN_TRUE;
saved_transaction_t* data = 0;
struct sip_msg* req;
str xml_data = {0, 0}, ccf1 = {0, 0}, ccf2 = {0, 0}, ecf1 = {0, 0}, ecf2 = {0, 0};
ims_subscription* s = 0;
rerrno = R_FINE;
if (!param) {
LM_DBG("No transaction data this must have been called from usrloc cb impu deleted - just log result code and then exit");
cxdx_get_result_code(saa, &rc);
cxdx_get_experimental_result_code(saa, &experimental_rc);
if (saa) cdpb.AAAFreeMessage(&saa);
if (!rc && !experimental_rc) {
LM_ERR("bad SAA result code\n");
return;
}
switch (rc) {
case -1:
LM_DBG("Received Diameter error\n");
return;
case AAA_UNABLE_TO_COMPLY:
LM_DBG("Unable to comply\n");
return;
case AAA_SUCCESS:
LM_DBG("received AAA success\n");
return;
default:
LM_ERR("Unknown error\n");
return;
}
} else {
LM_DBG("There is transaction data this must have been called from save or assign server unreg");
data = (saved_transaction_t*) param;
if (tmb.t_lookup_ident(&t, data->tindex, data->tlabel) < 0) {
LM_ERR("t_continue: transaction not found and t is now pointing to %p and will be set to NULL\n", t);
t = NULL;
rerrno = R_SAR_FAILED;
goto error_no_send;
}
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_URI, &t->uri_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_URI, &t->uri_avps_to);
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_USER, &t->user_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_USER, &t->user_avps_to);
set_avp_list(AVP_TRACK_FROM | AVP_CLASS_DOMAIN, &t->domain_avps_from);
set_avp_list(AVP_TRACK_TO | AVP_CLASS_DOMAIN, &t->domain_avps_to);
get_act_time();
req = get_request_from_tx(t);
if (!req) {
LM_ERR("Failed to get SIP Request from Transaction\n");
goto error_no_send;
}
if (is_timeout) {
update_stat(stat_sar_timeouts, 1);
LM_ERR("Transaction timeout - did not get SAA\n");
rerrno = R_SAR_FAILED;
goto error;
}
if (!saa) {
LM_ERR("Error sending message via CDP\n");
rerrno = R_SAR_FAILED;
goto error;
}
update_stat(sar_replies_received, 1);
update_stat(sar_replies_response_time, elapsed_msecs);
/* check and see that all the required headers are available and can be parsed */
if (parse_message_for_register(req) < 0) {
LM_ERR("Unable to parse register message correctly\n");
rerrno = R_SAR_FAILED;
goto error;
}
cxdx_get_result_code(saa, &rc);
cxdx_get_experimental_result_code(saa, &experimental_rc);
cxdx_get_charging_info(saa, &ccf1, &ccf2, &ecf1, &ecf2);
if (!rc && !experimental_rc) {
LM_ERR("bad SAA result code\n");
rerrno = R_SAR_FAILED;
goto error;
}
switch (rc) {
case -1:
LM_DBG("Received Diameter error\n");
rerrno = R_SAR_FAILED;
goto error;
case AAA_UNABLE_TO_COMPLY:
LM_DBG("Unable to comply\n");
rerrno = R_SAR_FAILED;
goto error;
case AAA_SUCCESS:
LM_DBG("received AAA success for SAR - SAA\n");
break;
default:
LM_ERR("Unknown error\n");
rerrno = R_SAR_FAILED;
goto error;
}
//success
//if this is from a save (not a server assign unreg) and expires is zero we don't update usrloc as this is a dereg and usrloc was updated previously
if (data->sar_assignment_type != AVP_IMS_SAR_UNREGISTERED_USER && data->expires == 0) {
LM_DBG("no need to update usrloc - already done for de-reg\n");
result = CSCF_RETURN_TRUE;
goto success;
}
xml_data = cxdx_get_user_data(saa);
/*If there is XML user data we must be able to parse it*/
if (xml_data.s && xml_data.len > 0) {
LM_DBG("Parsing user data string from SAA\n");
s = parse_user_data(xml_data);
if (!s) {
LM_ERR("Unable to parse user data XML string\n");
rerrno = R_SAR_FAILED;
goto error;
}
LM_DBG("Successfully parse user data XML setting ref to 1 (we are referencing it)\n");
s->ref_count = 1; //no need to lock as nobody else will be referencing this piece of memory just yet
} else {
if (data->require_user_data) {
LM_ERR("We require User data for this assignment/register and none was supplied\n");
rerrno = R_SAR_FAILED;
result = CSCF_RETURN_FALSE;
goto done;
}
}
if (data->sar_assignment_type == AVP_IMS_SAR_REGISTRATION || data->sar_assignment_type == AVP_IMS_SAR_RE_REGISTRATION) {
if (s) {
if (build_p_associated_uri(s) != 0) {
LM_ERR("Unable to build p_associated_uri\n");
rerrno = R_SAR_FAILED;
goto error;
}
}
}
if (s) {
//here we update the contacts and also build the new contact header for the 200 OK reply
if (update_contacts(req, data->domain, &data->public_identity, data->sar_assignment_type, &s, &ccf1, &ccf2, &ecf1, &ecf2, &data->contact_header) <= 0) {
LM_ERR("Error processing REGISTER\n");
rerrno = R_SAR_FAILED;
goto error;
}
}
if (data->contact_header) {
LM_DBG("Updated contacts: %.*s\n", data->contact_header->data_len, data->contact_header->buf);
} else {
LM_DBG("Updated unreg contact\n");
}
}
success:
update_stat(accepted_registrations, 1);
done:
if (data->sar_assignment_type != AVP_IMS_SAR_UNREGISTERED_USER)
reg_send_reply_transactional(req, data->contact_header, t);
LM_DBG("DBG:SAR Async CDP callback: ... Done resuming transaction\n");
create_return_code(result);
//release our reference on subscription (s)
if (s)
ul.unref_subscription(s);
//free memory
if (saa) cdpb.AAAFreeMessage(&saa);
if (t) {
// del_nonshm_lump_rpl(&req->reply_lump);
tmb.unref_cell(t);
}
//free path vector pkg memory
// reset_path_vector(req);
tmb.t_continue(data->tindex, data->tlabel, data->act);
free_saved_transaction_data(data);
return;
error:
create_return_code(-2);
if (data->sar_assignment_type != AVP_IMS_SAR_UNREGISTERED_USER)
reg_send_reply_transactional(req, data->contact_header, t);
error_no_send: //if we don't have the transaction then we can't send a transaction response
update_stat(rejected_registrations, 1);
//free memory
if (saa) cdpb.AAAFreeMessage(&saa);
if (t) {
// del_nonshm_lump_rpl(&req->reply_lump);
tmb.unref_cell(t);
}
tmb.t_continue(data->tindex, data->tlabel, data->act);
free_saved_transaction_data(data);
return;
}