/* Outgoing typing indication callback.
* (used to reauthenticate request)
*/
static void typing_callback(void *token, pjsip_event *e)
{
pjsua_im_data *im_data = (pjsua_im_data*) token;
pjsua_inst_id inst_id = im_data->inst_id;
if (e->type == PJSIP_EVENT_TSX_STATE) {
pjsip_transaction *tsx = e->body.tsx_state.tsx;
/* Ignore provisional response, if any */
if (tsx->status_code < 200)
return;
/* Handle authentication challenges */
if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG &&
(tsx->status_code == 401 || tsx->status_code == 407))
{
pjsip_rx_data *rdata = e->body.tsx_state.src.rdata;
pjsip_tx_data *tdata;
pjsip_auth_clt_sess auth;
pj_status_t status;
PJ_LOG(4,(THIS_FILE, "Resending IM with authentication"));
/* Create temporary authentication session */
pjsip_auth_clt_init(&auth,pjsua_var[inst_id].endpt,rdata->tp_info.pool, 0);
pjsip_auth_clt_set_credentials(&auth,
pjsua_var[inst_id].acc[im_data->acc_id].cred_cnt,
pjsua_var[inst_id].acc[im_data->acc_id].cred);
pjsip_auth_clt_set_prefs(&auth,
&pjsua_var[inst_id].acc[im_data->acc_id].cfg.auth_pref);
status = pjsip_auth_clt_reinit_req(&auth, rdata, tsx->last_tx,
&tdata);
if (status == PJ_SUCCESS) {
pjsua_im_data *im_data2;
/* Must duplicate im_data */
im_data2 = pjsua_im_data_dup(tdata->pool, im_data);
/* Increment CSeq */
PJSIP_MSG_CSEQ_HDR(tdata->msg)->cseq++;
/* Re-send request */
status = pjsip_endpt_send_request( pjsua_var[inst_id].endpt, tdata, -1,
im_data2, &typing_callback);
if (status == PJ_SUCCESS) {
/* Done */
return;
}
}
}
}
}
PJ_DEF(pj_status_t) pjsip_regc_set_prefs( pjsip_regc *regc,
const pjsip_auth_clt_pref *pref)
{
PJ_ASSERT_RETURN(regc && pref, PJ_EINVAL);
return pjsip_auth_clt_set_prefs(®c->auth_sess, pref);
}
/* Outgoing IM callback. */
static void im_callback(void *token, pjsip_event *e)
{
pjsua_im_data *im_data = (pjsua_im_data*) token;
if (e->type == PJSIP_EVENT_TSX_STATE) {
pjsip_transaction *tsx = e->body.tsx_state.tsx;
/* Ignore provisional response, if any */
if (tsx->status_code < 200)
return;
/* Handle authentication challenges */
if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG &&
(tsx->status_code == 401 || tsx->status_code == 407))
{
pjsip_rx_data *rdata = e->body.tsx_state.src.rdata;
pjsip_tx_data *tdata;
pjsip_auth_clt_sess auth;
pj_status_t status;
PJ_LOG(4,(THIS_FILE, "Resending IM with authentication"));
/* Create temporary authentication session */
pjsip_auth_clt_init(&auth,pjsua_var.endpt,rdata->tp_info.pool, 0);
pjsip_auth_clt_set_credentials(&auth,
pjsua_var.acc[im_data->acc_id].cred_cnt,
pjsua_var.acc[im_data->acc_id].cred);
pjsip_auth_clt_set_prefs(&auth,
&pjsua_var.acc[im_data->acc_id].cfg.auth_pref);
status = pjsip_auth_clt_reinit_req(&auth, rdata, tsx->last_tx,
&tdata);
if (status == PJ_SUCCESS) {
pjsua_im_data *im_data2;
/* Must duplicate im_data */
im_data2 = pjsua_im_data_dup(tdata->pool, im_data);
/* Increment CSeq */
PJSIP_MSG_CSEQ_HDR(tdata->msg)->cseq++;
/* Re-send request */
status = pjsip_endpt_send_request( pjsua_var.endpt, tdata, -1,
im_data2, &im_callback);
if (status == PJ_SUCCESS) {
/* Done */
return;
}
}
}
if (tsx->status_code/100 == 2) {
PJ_LOG(4,(THIS_FILE,
"Message \'%s\' delivered successfully",
im_data->body.ptr));
} else {
PJ_LOG(3,(THIS_FILE,
"Failed to deliver message \'%s\': %d/%.*s",
im_data->body.ptr,
tsx->status_code,
(int)tsx->status_text.slen,
tsx->status_text.ptr));
}
if (pjsua_var.ua_cfg.cb.on_pager_status) {
pjsua_var.ua_cfg.cb.on_pager_status(im_data->call_id,
&im_data->to,
&im_data->body,
im_data->user_data,
(pjsip_status_code)
tsx->status_code,
&tsx->status_text);
}
if (pjsua_var.ua_cfg.cb.on_pager_status2) {
pjsip_rx_data *rdata;
if (e->body.tsx_state.type == PJSIP_EVENT_RX_MSG)
rdata = e->body.tsx_state.src.rdata;
else
rdata = NULL;
pjsua_var.ua_cfg.cb.on_pager_status2(im_data->call_id,
&im_data->to,
&im_data->body,
im_data->user_data,
(pjsip_status_code)
tsx->status_code,
&tsx->status_text,
tsx->last_tx,
rdata, im_data->acc_id);
}
}
}
/* This is called when request is received.
* We need to check for incoming SUBSCRIBE request.
*/
static pj_bool_t pres_on_rx_request(pjsip_rx_data *rdata)
{
int acc_id;
pjsua_acc *acc;
pj_str_t contact;
pjsip_method *req_method = &rdata->msg_info.msg->line.req.method;
pjsua_srv_pres *uapres;
pjsip_evsub *sub;
pjsip_evsub_user pres_cb;
pjsip_dialog *dlg;
pjsip_status_code st_code;
pj_str_t reason;
pjsip_expires_hdr *expires_hdr;
pjsua_msg_data msg_data;
pj_status_t status;
if (pjsip_method_cmp(req_method, pjsip_get_subscribe_method()) != 0)
return PJ_FALSE;
/* Incoming SUBSCRIBE: */
PJSUA_LOCK();
/* Find which account for the incoming request. */
acc_id = pjsua_acc_find_for_incoming(rdata);
acc = &pjsua_var.acc[acc_id];
PJ_LOG(4,(THIS_FILE, "Creating server subscription, using account %d",
acc_id));
/* Create suitable Contact header */
if (acc->contact.slen) {
contact = acc->contact;
} else {
status = pjsua_acc_create_uas_contact(rdata->tp_info.pool, &contact,
acc_id, rdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header",
status);
PJSUA_UNLOCK();
pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL,
NULL, NULL);
return PJ_TRUE;
}
}
/* Create UAS dialog: */
status = pjsip_dlg_create_uas(pjsip_ua_instance(), rdata,
&contact, &dlg);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE,
"Unable to create UAS dialog for subscription",
status);
PJSUA_UNLOCK();
pjsip_endpt_respond_stateless(pjsua_var.endpt, rdata, 400, NULL,
NULL, NULL);
return PJ_TRUE;
}
/* Set credentials and preference. */
pjsip_auth_clt_set_credentials(&dlg->auth_sess, acc->cred_cnt, acc->cred);
pjsip_auth_clt_set_prefs(&dlg->auth_sess, &acc->cfg.auth_pref);
/* Init callback: */
pj_bzero(&pres_cb, sizeof(pres_cb));
pres_cb.on_evsub_state = &pres_evsub_on_srv_state;
/* Create server presence subscription: */
status = pjsip_pres_create_uas( dlg, &pres_cb, rdata, &sub);
if (status != PJ_SUCCESS) {
int code = PJSIP_ERRNO_TO_SIP_STATUS(status);
pjsip_tx_data *tdata;
pjsua_perror(THIS_FILE, "Unable to create server subscription",
status);
if (code==599 || code > 699 || code < 300) {
code = 400;
}
status = pjsip_dlg_create_response(dlg, rdata, code, NULL, &tdata);
if (status == PJ_SUCCESS) {
status = pjsip_dlg_send_response(dlg, pjsip_rdata_get_tsx(rdata),
tdata);
}
PJSUA_UNLOCK();
return PJ_TRUE;
}
/* If account is locked to specific transport, then lock dialog
* to this transport too.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_dlg_set_transport(dlg, &tp_sel);
}
/* Attach our data to the subscription: */
uapres = PJ_POOL_ALLOC_T(dlg->pool, pjsua_srv_pres);
uapres->sub = sub;
uapres->remote = (char*) pj_pool_alloc(dlg->pool, PJSIP_MAX_URL_SIZE);
uapres->acc_id = acc_id;
uapres->dlg = dlg;
status = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, dlg->remote.info->uri,
uapres->remote, PJSIP_MAX_URL_SIZE);
if (status < 1)
pj_ansi_strcpy(uapres->remote, "<-- url is too long-->");
else
uapres->remote[status] = '\0';
pjsip_evsub_set_mod_data(sub, pjsua_var.mod.id, uapres);
/* Add server subscription to the list: */
pj_list_push_back(&pjsua_var.acc[acc_id].pres_srv_list, uapres);
/* Capture the value of Expires header. */
expires_hdr = (pjsip_expires_hdr*)
pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_EXPIRES,
NULL);
if (expires_hdr)
uapres->expires = expires_hdr->ivalue;
else
uapres->expires = -1;
st_code = (pjsip_status_code)200;
reason = pj_str("OK");
pjsua_msg_data_init(&msg_data);
/* Notify application callback, if any */
if (pjsua_var.ua_cfg.cb.on_incoming_subscribe) {
pjsua_buddy_id buddy_id;
buddy_id = pjsua_find_buddy(rdata->msg_info.from->uri);
(*pjsua_var.ua_cfg.cb.on_incoming_subscribe)(acc_id, uapres, buddy_id,
&dlg->remote.info_str,
rdata, &st_code, &reason,
&msg_data);
}
/* Handle rejection case */
if (st_code >= 300) {
pjsip_tx_data *tdata;
/* Create response */
status = pjsip_dlg_create_response(dlg, rdata, st_code,
&reason, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error creating response", status);
pj_list_erase(uapres);
pjsip_pres_terminate(sub, PJ_FALSE);
PJSUA_UNLOCK();
return PJ_FALSE;
}
/* Add header list, if any */
pjsua_process_msg_data(tdata, &msg_data);
/* Send the response */
status = pjsip_dlg_send_response(dlg, pjsip_rdata_get_tsx(rdata),
tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error sending response", status);
/* This is not fatal */
}
/* Terminate presence subscription */
pj_list_erase(uapres);
pjsip_pres_terminate(sub, PJ_FALSE);
PJSUA_UNLOCK();
return PJ_TRUE;
}
/* Create and send 2xx response to the SUBSCRIBE request: */
status = pjsip_pres_accept(sub, rdata, st_code, &msg_data.hdr_list);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to accept presence subscription",
status);
pj_list_erase(uapres);
pjsip_pres_terminate(sub, PJ_FALSE);
PJSUA_UNLOCK();
return PJ_FALSE;
}
/* If code is 200, send NOTIFY now */
if (st_code == 200) {
pjsua_pres_notify(acc_id, uapres, PJSIP_EVSUB_STATE_ACTIVE,
NULL, NULL, PJ_TRUE, &msg_data);
}
/* Done: */
PJSUA_UNLOCK();
return PJ_TRUE;
}
/* It does what it says.. */
static void subscribe_buddy_presence(unsigned index)
{
pj_pool_t *tmp_pool = NULL;
pjsua_buddy *buddy;
int acc_id;
pjsua_acc *acc;
pj_str_t contact;
pjsip_tx_data *tdata;
pj_status_t status;
buddy = &pjsua_var.buddy[index];
acc_id = pjsua_acc_find_for_outgoing(&buddy->uri);
acc = &pjsua_var.acc[acc_id];
PJ_LOG(4,(THIS_FILE, "Using account %d for buddy %d subscription",
acc_id, index));
/* Generate suitable Contact header unless one is already set in
* the account
*/
if (acc->contact.slen) {
contact = acc->contact;
} else {
tmp_pool = pjsua_pool_create("tmpbuddy", 512, 256);
status = pjsua_acc_create_uac_contact(tmp_pool, &contact,
acc_id, &buddy->uri);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate Contact header",
status);
pj_pool_release(tmp_pool);
return;
}
}
/* Create UAC dialog */
status = pjsip_dlg_create_uac( pjsip_ua_instance(),
&acc->cfg.id,
&contact,
&buddy->uri,
NULL, &buddy->dlg);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create dialog",
status);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
/* Increment the dialog's lock otherwise when presence session creation
* fails the dialog will be destroyed prematurely.
*/
pjsip_dlg_inc_lock(buddy->dlg);
status = pjsip_pres_create_uac( buddy->dlg, &pres_callback,
PJSIP_EVSUB_NO_EVENT_ID, &buddy->sub);
if (status != PJ_SUCCESS) {
pjsua_var.buddy[index].sub = NULL;
pjsua_perror(THIS_FILE, "Unable to create presence client",
status);
/* This should destroy the dialog since there's no session
* referencing it
*/
pjsip_dlg_dec_lock(buddy->dlg);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
/* If account is locked to specific transport, then lock dialog
* to this transport too.
*/
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc->cfg.transport_id, &tp_sel);
pjsip_dlg_set_transport(buddy->dlg, &tp_sel);
}
/* Set route-set */
if (!pj_list_empty(&acc->route_set)) {
pjsip_dlg_set_route_set(buddy->dlg, &acc->route_set);
}
/* Set credentials */
if (acc->cred_cnt) {
pjsip_auth_clt_set_credentials( &buddy->dlg->auth_sess,
acc->cred_cnt, acc->cred);
}
/* Set authentication preference */
pjsip_auth_clt_set_prefs(&buddy->dlg->auth_sess, &acc->cfg.auth_pref);
pjsip_evsub_set_mod_data(buddy->sub, pjsua_var.mod.id, buddy);
status = pjsip_pres_initiate(buddy->sub, -1, &tdata);
if (status != PJ_SUCCESS) {
pjsip_dlg_dec_lock(buddy->dlg);
if (buddy->sub) {
pjsip_pres_terminate(buddy->sub, PJ_FALSE);
}
buddy->sub = NULL;
pjsua_perror(THIS_FILE, "Unable to create initial SUBSCRIBE",
status);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
pjsua_process_msg_data(tdata, NULL);
status = pjsip_pres_send_request(buddy->sub, tdata);
if (status != PJ_SUCCESS) {
pjsip_dlg_dec_lock(buddy->dlg);
if (buddy->sub) {
pjsip_pres_terminate(buddy->sub, PJ_FALSE);
}
buddy->sub = NULL;
pjsua_perror(THIS_FILE, "Unable to send initial SUBSCRIBE",
status);
if (tmp_pool) pj_pool_release(tmp_pool);
return;
}
pjsip_dlg_dec_lock(buddy->dlg);
if (tmp_pool) pj_pool_release(tmp_pool);
}