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pjproject/pjsip/src/pjsua-lib/pjsua_acc.c

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/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <pjsua-lib/pjsua.h>
#include <pjsua-lib/pjsua_internal.h>
#define THIS_FILE "pjsua_acc.c"
enum
{
OUTBOUND_UNKNOWN, // status unknown
OUTBOUND_WANTED, // initiated in registration
OUTBOUND_ACTIVE, // got positive response from server
OUTBOUND_NA // not wanted or got negative response from server
};
static int get_ip_addr_ver(const pj_str_t *host);
static void schedule_reregistration(pjsua_acc *acc);
static void keep_alive_timer_cb(pj_timer_heap_t *th, pj_timer_entry *te);
/*
* Get number of current accounts.
*/
PJ_DEF(unsigned) pjsua_acc_get_count(void)
{
return pjsua_var.acc_cnt;
}
/*
* Check if the specified account ID is valid.
*/
PJ_DEF(pj_bool_t) pjsua_acc_is_valid(pjsua_acc_id acc_id)
{
return acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc) &&
pjsua_var.acc[acc_id].valid;
}
/*
* Set default account
*/
PJ_DEF(pj_status_t) pjsua_acc_set_default(pjsua_acc_id acc_id)
{
pjsua_var.default_acc = acc_id;
return PJ_SUCCESS;
}
/*
* Get default account.
*/
PJ_DEF(pjsua_acc_id) pjsua_acc_get_default(void)
{
return pjsua_var.default_acc;
}
/*
* Copy account configuration.
*/
PJ_DEF(void) pjsua_acc_config_dup( pj_pool_t *pool,
pjsua_acc_config *dst,
const pjsua_acc_config *src)
{
unsigned i;
pj_memcpy(dst, src, sizeof(pjsua_acc_config));
pj_strdup_with_null(pool, &dst->id, &src->id);
pj_strdup_with_null(pool, &dst->reg_uri, &src->reg_uri);
pj_strdup_with_null(pool, &dst->force_contact, &src->force_contact);
pj_strdup_with_null(pool, &dst->reg_contact_params,
&src->reg_contact_params);
pj_strdup_with_null(pool, &dst->reg_contact_uri_params,
&src->reg_contact_uri_params);
pj_strdup_with_null(pool, &dst->contact_params, &src->contact_params);
pj_strdup_with_null(pool, &dst->contact_uri_params,
&src->contact_uri_params);
pj_strdup_with_null(pool, &dst->pidf_tuple_id, &src->pidf_tuple_id);
pj_strdup_with_null(pool, &dst->rfc5626_instance_id,
&src->rfc5626_instance_id);
pj_strdup_with_null(pool, &dst->rfc5626_reg_id, &src->rfc5626_reg_id);
dst->proxy_cnt = src->proxy_cnt;
for (i=0; i<src->proxy_cnt; ++i)
pj_strdup_with_null(pool, &dst->proxy[i], &src->proxy[i]);
dst->reg_timeout = src->reg_timeout;
dst->reg_delay_before_refresh = src->reg_delay_before_refresh;
dst->cred_count = src->cred_count;
for (i=0; i<src->cred_count; ++i) {
pjsip_cred_dup(pool, &dst->cred_info[i], &src->cred_info[i]);
}
pj_list_init(&dst->reg_hdr_list);
if (!pj_list_empty(&src->reg_hdr_list)) {
const pjsip_hdr *hdr;
hdr = src->reg_hdr_list.next;
while (hdr != &src->reg_hdr_list) {
pj_list_push_back(&dst->reg_hdr_list, pjsip_hdr_clone(pool, hdr));
hdr = hdr->next;
}
}
pj_list_init(&dst->sub_hdr_list);
if (!pj_list_empty(&src->sub_hdr_list)) {
const pjsip_hdr *hdr;
hdr = src->sub_hdr_list.next;
while (hdr != &src->sub_hdr_list) {
pj_list_push_back(&dst->sub_hdr_list, pjsip_hdr_clone(pool, hdr));
hdr = hdr->next;
}
}
pjsip_auth_clt_pref_dup(pool, &dst->auth_pref, &src->auth_pref);
pjsua_transport_config_dup(pool, &dst->rtp_cfg, &src->rtp_cfg);
pjsua_ice_config_dup(pool, &dst->ice_cfg, &src->ice_cfg);
pjsua_turn_config_dup(pool, &dst->turn_cfg, &src->turn_cfg);
pjsua_srtp_opt_dup(pool, &dst->srtp_opt, &src->srtp_opt, PJ_FALSE);
pj_strdup(pool, &dst->ka_data, &src->ka_data);
pjmedia_rtcp_fb_setting_dup(pool, &dst->rtcp_fb_cfg, &src->rtcp_fb_cfg);
}
/*
* Calculate CRC of proxy list.
*/
static pj_uint32_t calc_proxy_crc(const pj_str_t proxy[], pj_size_t cnt)
{
pj_crc32_context ctx;
unsigned i;
pj_crc32_init(&ctx);
for (i=0; i<cnt; ++i) {
pj_crc32_update(&ctx, (pj_uint8_t*)proxy[i].ptr, proxy[i].slen);
}
return pj_crc32_final(&ctx);
}
/*
* Initialize outbound settings.
*/
static void init_outbound_setting(pjsua_acc *acc)
{
pjsua_acc_config *acc_cfg = &acc->cfg;
if (acc_cfg->rfc5626_instance_id.slen == 0) {
const pj_str_t *hostname;
pj_uint32_t hval;
pj_size_t pos;
char instprm[] = ";+sip.instance=\"<urn:uuid:00000000-0000-0000-0000-0000CCDDEEFF>\"";
hostname = pj_gethostname();
pos = pj_ansi_strlen(instprm) - 10;
hval = pj_hash_calc(0, hostname->ptr, (unsigned)hostname->slen);
pj_val_to_hex_digit(((char*)&hval)[0], instprm + pos + 0);
pj_val_to_hex_digit(((char*)&hval)[1], instprm + pos + 2);
pj_val_to_hex_digit(((char*)&hval)[2], instprm + pos + 4);
pj_val_to_hex_digit(((char*)&hval)[3], instprm + pos + 6);
pj_strdup2(acc->pool, &acc->rfc5626_instprm, instprm);
} else {
const char *prmname = ";+sip.instance=\"";
pj_size_t len;
len = pj_ansi_strlen(prmname) + acc_cfg->rfc5626_instance_id.slen + 1;
acc->rfc5626_instprm.ptr = (char*)pj_pool_alloc(acc->pool, len + 1);
pj_ansi_snprintf(acc->rfc5626_instprm.ptr, len + 1,
"%s%.*s\"",
prmname,
(int)acc_cfg->rfc5626_instance_id.slen,
acc_cfg->rfc5626_instance_id.ptr);
acc->rfc5626_instprm.slen = len;
}
if (acc_cfg->rfc5626_reg_id.slen == 0) {
acc->rfc5626_regprm = pj_str(";reg-id=1");
} else {
const char *prmname = ";reg-id=";
pj_size_t len;
len = pj_ansi_strlen(prmname) + acc_cfg->rfc5626_reg_id.slen;
acc->rfc5626_regprm.ptr = (char*)pj_pool_alloc(acc->pool, len + 1);
pj_ansi_snprintf(acc->rfc5626_regprm.ptr, len + 1,
"%s%.*s\"",
prmname,
(int)acc_cfg->rfc5626_reg_id.slen,
acc_cfg->rfc5626_reg_id.ptr);
acc->rfc5626_regprm.slen = len;
}
acc->rfc5626_status = OUTBOUND_WANTED;
}
/*
* Destroy account's registration and deinit.
*/
static pj_status_t destroy_regc(pjsua_acc *acc, pj_bool_t force)
{
if (acc->regc) {
pj_status_t status = pjsip_regc_destroy2(acc->regc, force);
if (status != PJ_SUCCESS && !force) {
/* If regc destroy failed and not forced, we should not
* deinit and return here.
*/
return status;
}
}
acc->regc = NULL;
acc->contact.slen = 0;
acc->reg_mapped_addr.slen = 0;
acc->rfc5626_status = OUTBOUND_UNKNOWN;
acc->rfc5626_flowtmr = 0;
return PJ_SUCCESS;
}
/*
* Initialize a new account (after configuration is set).
*/
static pj_status_t initialize_acc(unsigned acc_id)
{
pjsua_acc_config *acc_cfg = &pjsua_var.acc[acc_id].cfg;
pjsua_acc *acc = &pjsua_var.acc[acc_id];
pjsip_name_addr *name_addr;
pjsip_sip_uri *sip_reg_uri;
pj_status_t status;
unsigned i;
/* Need to parse local_uri to get the elements: */
name_addr = (pjsip_name_addr*)
pjsip_parse_uri(acc->pool, acc_cfg->id.ptr,
acc_cfg->id.slen,
PJSIP_PARSE_URI_AS_NAMEADDR);
if (name_addr == NULL) {
pjsua_perror(THIS_FILE, "Invalid local URI",
PJSIP_EINVALIDURI);
return PJSIP_EINVALIDURI;
}
/* Local URI MUST be a SIP or SIPS: */
if (!PJSIP_URI_SCHEME_IS_SIP(name_addr) &&
!PJSIP_URI_SCHEME_IS_SIPS(name_addr))
{
acc->display = name_addr->display;
acc->user_part = name_addr->display;
acc->srv_domain = pj_str("");
acc->srv_port = 0;
} else {
pjsip_sip_uri *sip_uri;
/* Get the SIP URI object: */
sip_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(name_addr);
/* Save the user and domain part. These will be used when finding an
* account for incoming requests.
*/
acc->display = name_addr->display;
acc->user_part = sip_uri->user;
acc->srv_domain = sip_uri->host;
acc->srv_port = 0;
/* Escape user part (ticket #2010) */
if (acc->user_part.slen) {
const pjsip_parser_const_t *pconst;
char buf[PJSIP_MAX_URL_SIZE];
pj_str_t user_part;
pconst = pjsip_parser_const();
pj_strset(&user_part, buf, sizeof(buf));
pj_strncpy_escape(&user_part, &sip_uri->user, sizeof(buf),
&pconst->pjsip_USER_SPEC_LENIENT);
if (user_part.slen > acc->user_part.slen)
pj_strdup(acc->pool, &acc->user_part, &user_part);
}
}
acc->is_sips = PJSIP_URI_SCHEME_IS_SIPS(name_addr);
/* Parse registrar URI, if any */
if (acc_cfg->reg_uri.slen) {
pjsip_uri *reg_uri;
reg_uri = pjsip_parse_uri(acc->pool, acc_cfg->reg_uri.ptr,
acc_cfg->reg_uri.slen, 0);
if (reg_uri == NULL) {
pjsua_perror(THIS_FILE, "Invalid registrar URI",
PJSIP_EINVALIDURI);
return PJSIP_EINVALIDURI;
}
/* Registrar URI MUST be a SIP or SIPS: */
if (!PJSIP_URI_SCHEME_IS_SIP(reg_uri) &&
!PJSIP_URI_SCHEME_IS_SIPS(reg_uri))
{
pjsua_perror(THIS_FILE, "Invalid registar URI",
PJSIP_EINVALIDSCHEME);
return PJSIP_EINVALIDSCHEME;
}
sip_reg_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(reg_uri);
} else {
sip_reg_uri = NULL;
}
if (sip_reg_uri) {
acc->srv_port = sip_reg_uri->port;
}
/* Create Contact header if not present. */
//if (acc_cfg->contact.slen == 0) {
// acc_cfg->contact = acc_cfg->id;
//}
/* Build account route-set from outbound proxies and route set from
* account configuration.
*/
pj_list_init(&acc->route_set);
if (!pj_list_empty(&pjsua_var.outbound_proxy)) {
pjsip_route_hdr *r;
r = pjsua_var.outbound_proxy.next;
while (r != &pjsua_var.outbound_proxy) {
pj_list_push_back(&acc->route_set,
pjsip_hdr_shallow_clone(acc->pool, r));
r = r->next;
}
}
for (i=0; i<acc_cfg->proxy_cnt; ++i) {
pj_str_t hname = { "Route", 5};
pjsip_route_hdr *r;
pj_str_t tmp;
pj_strdup_with_null(acc->pool, &tmp, &acc_cfg->proxy[i]);
r = (pjsip_route_hdr*)
pjsip_parse_hdr(acc->pool, &hname, tmp.ptr, tmp.slen, NULL);
if (r == NULL) {
pjsua_perror(THIS_FILE, "Invalid URI in account route set",
PJ_EINVAL);
return PJ_EINVAL;
}
pj_list_push_back(&acc->route_set, r);
}
/* Concatenate credentials from account config and global config */
acc->cred_cnt = 0;
for (i=0; i<acc_cfg->cred_count; ++i) {
acc->cred[acc->cred_cnt++] = acc_cfg->cred_info[i];
}
for (i=0; i<pjsua_var.ua_cfg.cred_count &&
acc->cred_cnt < PJ_ARRAY_SIZE(acc->cred); ++i)
{
acc->cred[acc->cred_cnt++] = pjsua_var.ua_cfg.cred_info[i];
}
/* If account's ICE and TURN customization is not set, then
* initialize it with the settings from the global media config.
*/
if (acc->cfg.ice_cfg_use == PJSUA_ICE_CONFIG_USE_DEFAULT) {
pjsua_ice_config_from_media_config(NULL, &acc->cfg.ice_cfg,
&pjsua_var.media_cfg);
}
if (acc->cfg.turn_cfg_use == PJSUA_TURN_CONFIG_USE_DEFAULT) {
pjsua_turn_config_from_media_config(NULL, &acc->cfg.turn_cfg,
&pjsua_var.media_cfg);
}
/* If ICE is enabled, add "+sip.ice" media feature tag in account's
* contact params.
*/
#if PJSUA_ADD_ICE_TAGS
if (acc_cfg->ice_cfg.enable_ice) {
pj_ssize_t new_len;
pj_str_t new_prm;
new_len = acc_cfg->contact_params.slen + 10;
new_prm.ptr = (char*)pj_pool_alloc(acc->pool, new_len);
pj_strcpy(&new_prm, &acc_cfg->contact_params);
pj_strcat2(&new_prm, ";+sip.ice");
acc_cfg->contact_params = new_prm;
}
#endif
status = pjsua_pres_init_acc(acc_id);
if (status != PJ_SUCCESS)
return status;
/* If SIP outbound is enabled, generate instance and reg ID if they are
* not specified
*/
if (acc_cfg->use_rfc5626) {
init_outbound_setting(acc);
}
/* Mark account as valid */
pjsua_var.acc[acc_id].valid = PJ_TRUE;
/* Insert account ID into account ID array, sorted by priority */
for (i=0; i<pjsua_var.acc_cnt; ++i) {
if ( pjsua_var.acc[pjsua_var.acc_ids[i]].cfg.priority <
pjsua_var.acc[acc_id].cfg.priority)
{
break;
}
}
pj_array_insert(pjsua_var.acc_ids, sizeof(pjsua_var.acc_ids[0]),
pjsua_var.acc_cnt, i, &acc_id);
if (acc_cfg->transport_id != PJSUA_INVALID_ID) {
acc->tp_type = pjsua_var.tpdata[acc_cfg->transport_id].type;
} else {
acc->tp_type = PJSIP_TRANSPORT_UNSPECIFIED;
}
acc->ip_change_op = PJSUA_IP_CHANGE_OP_NULL;
return PJ_SUCCESS;
}
/*
* Add a new account to pjsua.
*/
PJ_DEF(pj_status_t) pjsua_acc_add( const pjsua_acc_config *cfg,
pj_bool_t is_default,
pjsua_acc_id *p_acc_id)
{
pjsua_acc *acc;
unsigned i, id;
pj_status_t status = PJ_SUCCESS;
PJ_ASSERT_RETURN(cfg, PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_var.acc_cnt < PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_ETOOMANY);
#if !PJ_HAS_IPV6
PJ_ASSERT_RETURN(cfg->ipv6_sip_use == PJSUA_IPV6_DISABLED, PJ_EINVAL);
PJ_ASSERT_RETURN(cfg->ipv6_media_use == PJSUA_IPV6_DISABLED, PJ_EINVAL);
PJ_ASSERT_RETURN(cfg->nat64_opt == PJSUA_IPV6_DISABLED, PJ_EINVAL);
#endif
/* Must have a transport */
PJ_ASSERT_RETURN(pjsua_var.tpdata[0].data.ptr != NULL, PJ_EINVALIDOP);
PJ_LOG(4,(THIS_FILE, "Adding account: id=%.*s",
(int)cfg->id.slen, cfg->id.ptr));
pj_log_push_indent();
PJSUA_LOCK();
/* Find empty account id. */
for (id=0; id < PJ_ARRAY_SIZE(pjsua_var.acc); ++id) {
if (pjsua_var.acc[id].valid == PJ_FALSE)
break;
}
/* Expect to find a slot */
PJ_ASSERT_ON_FAIL( id < PJ_ARRAY_SIZE(pjsua_var.acc),
{PJSUA_UNLOCK(); return PJ_EBUG;});
acc = &pjsua_var.acc[id];
/* Create pool for this account. */
if (acc->pool)
pj_pool_reset(acc->pool);
else
acc->pool = pjsua_pool_create("acc%p", PJSUA_POOL_LEN_ACC,
PJSUA_POOL_INC_ACC);
/* Copy config */
pjsua_acc_config_dup(acc->pool, &pjsua_var.acc[id].cfg, cfg);
/* Normalize registration timeout and refresh delay */
if (pjsua_var.acc[id].cfg.reg_uri.slen) {
if (pjsua_var.acc[id].cfg.reg_timeout == 0) {
pjsua_var.acc[id].cfg.reg_timeout = PJSUA_REG_INTERVAL;
}
if (pjsua_var.acc[id].cfg.reg_delay_before_refresh == 0) {
pjsua_var.acc[id].cfg.reg_delay_before_refresh =
PJSIP_REGISTER_CLIENT_DELAY_BEFORE_REFRESH;
}
}
/* Check the route URI's and force loose route if required */
for (i=0; i<acc->cfg.proxy_cnt; ++i) {
status = normalize_route_uri(acc->pool, &acc->cfg.proxy[i]);
if (status != PJ_SUCCESS) {
PJSUA_UNLOCK();
pj_log_pop_indent();
return status;
}
}
/* Get CRC of account proxy setting */
acc->local_route_crc = calc_proxy_crc(acc->cfg.proxy, acc->cfg.proxy_cnt);
/* Get CRC of global outbound proxy setting */
acc->global_route_crc=calc_proxy_crc(pjsua_var.ua_cfg.outbound_proxy,
pjsua_var.ua_cfg.outbound_proxy_cnt);
status = initialize_acc(id);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Error adding account", status);
pj_pool_release(acc->pool);
acc->pool = NULL;
PJSUA_UNLOCK();
pj_log_pop_indent();
return status;
}
if (is_default)
pjsua_var.default_acc = id;
if (p_acc_id)
*p_acc_id = id;
pjsua_var.acc_cnt++;
PJSUA_UNLOCK();
PJ_LOG(4,(THIS_FILE, "Account %.*s added with id %d",
(int)cfg->id.slen, cfg->id.ptr, id));
/* If accounts has registration enabled, start registration */
if (pjsua_var.acc[id].cfg.reg_uri.slen) {
if (pjsua_var.acc[id].cfg.register_on_acc_add)
pjsua_acc_set_registration(id, PJ_TRUE);
} else {
/* Otherwise subscribe to MWI, if it's enabled */
if (pjsua_var.acc[id].cfg.mwi_enabled)
pjsua_start_mwi(id, PJ_TRUE);
/* Start publish too */
if (acc->cfg.publish_enabled)
pjsua_pres_init_publish_acc(id);
}
pj_log_pop_indent();
return PJ_SUCCESS;
}
/*
* Add local account
*/
PJ_DEF(pj_status_t) pjsua_acc_add_local( pjsua_transport_id tid,
pj_bool_t is_default,
pjsua_acc_id *p_acc_id)
{
pjsua_acc_config cfg;
pjsua_transport_data *t = &pjsua_var.tpdata[tid];
char transport_param[32];
char uri[PJSIP_MAX_URL_SIZE];
char addr_buf[PJ_INET6_ADDRSTRLEN+10];
pjsua_acc_id acc_id;
pj_status_t status;
/* ID must be valid */
PJ_ASSERT_RETURN(tid>=0 && tid<(int)PJ_ARRAY_SIZE(pjsua_var.tpdata),
PJ_EINVAL);
/* Transport must be valid */
PJ_ASSERT_RETURN(t->data.ptr != NULL, PJ_EINVAL);
pjsua_acc_config_default(&cfg);
/* Lower the priority of local account */
--cfg.priority;
/* Don't add transport parameter if it's UDP */
if (t->type!=PJSIP_TRANSPORT_UDP && t->type!=PJSIP_TRANSPORT_UDP6) {
pj_ansi_snprintf(transport_param, sizeof(transport_param),
";transport=%s",
pjsip_transport_get_type_name(t->type));
} else {
transport_param[0] = '\0';
}
/* Build URI for the account */
pj_ansi_snprintf(uri, PJSIP_MAX_URL_SIZE,
"<sip:%s%s>",
pj_addr_str_print(&t->local_name.host, t->local_name.port,
addr_buf, sizeof(addr_buf), 1),
transport_param);
cfg.id = pj_str(uri);
cfg.transport_id = tid;
status = pjsua_acc_add(&cfg, is_default, &acc_id);
if (status == PJ_SUCCESS) {
pjsua_var.acc[acc_id].tp_type = t->type;
if (p_acc_id)
*p_acc_id = acc_id;
}
return status;
}
/*
* Set arbitrary data to be associated with the account.
*/
PJ_DEF(pj_status_t) pjsua_acc_set_user_data(pjsua_acc_id acc_id,
void *user_data)
{
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
PJSUA_LOCK();
pjsua_var.acc[acc_id].cfg.user_data = user_data;
PJSUA_UNLOCK();
return PJ_SUCCESS;
}
/*
* Retrieve arbitrary data associated with the account.
*/
PJ_DEF(void*) pjsua_acc_get_user_data(pjsua_acc_id acc_id)
{
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
NULL);
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, NULL);
return pjsua_var.acc[acc_id].cfg.user_data;
}
/*
* Delete account.
*/
PJ_DEF(pj_status_t) pjsua_acc_del(pjsua_acc_id acc_id)
{
pjsua_acc *acc;
unsigned i;
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
PJ_LOG(4,(THIS_FILE, "Deleting account %d..", acc_id));
pj_log_push_indent();
PJSUA_LOCK();
acc = &pjsua_var.acc[acc_id];
/* Cancel keep-alive timer, if any */
if (acc->ka_timer.id) {
pjsip_endpt_cancel_timer(pjsua_var.endpt, &acc->ka_timer);
acc->ka_timer.id = PJ_FALSE;
}
if (acc->ka_transport) {
pjsip_transport_dec_ref(acc->ka_transport);
acc->ka_transport = NULL;
}
/* Cancel any re-registration timer */
if (acc->auto_rereg.timer.id) {
acc->auto_rereg.timer.id = PJ_FALSE;
pjsua_cancel_timer(&acc->auto_rereg.timer);
}
/* Delete registration */
if (acc->regc != NULL) {
pjsua_acc_set_registration(acc_id, PJ_FALSE);
destroy_regc(acc, PJ_TRUE);
}
/* Terminate mwi subscription */
if (acc->cfg.mwi_enabled) {
acc->cfg.mwi_enabled = PJ_FALSE;
pjsua_start_mwi(acc_id, PJ_FALSE);
}
/* Delete server presence subscription */
pjsua_pres_delete_acc(acc_id, 0);
/* Release account pool */
if (acc->pool) {
pj_pool_release(acc->pool);
acc->pool = NULL;
}
/* Invalidate */
acc->valid = PJ_FALSE;
pj_bzero(&acc->via_addr, sizeof(acc->via_addr));
acc->via_tp = NULL;
acc->next_rtp_port = 0;
acc->ip_change_op = PJSUA_IP_CHANGE_OP_NULL;
/* Remove from array */
for (i=0; i<pjsua_var.acc_cnt; ++i) {
if (pjsua_var.acc_ids[i] == acc_id)
break;
}
if (i != pjsua_var.acc_cnt) {
pj_array_erase(pjsua_var.acc_ids, sizeof(pjsua_var.acc_ids[0]),
pjsua_var.acc_cnt, i);
--pjsua_var.acc_cnt;
}
/* Leave the calls intact, as I don't think calls need to
* access account once it's created
*/
/* Update default account */
if (pjsua_var.default_acc == acc_id)
pjsua_var.default_acc = 0;
#if PJ_HAS_SSL_SOCK
pj_turn_sock_tls_cfg_wipe_keys(&acc->cfg.turn_cfg.turn_tls_setting);
#endif
PJSUA_UNLOCK();
PJ_LOG(4,(THIS_FILE, "Account id %d deleted", acc_id));
pj_log_pop_indent();
return PJ_SUCCESS;
}
/* Get config */
PJ_DEF(pj_status_t) pjsua_acc_get_config(pjsua_acc_id acc_id,
pj_pool_t *pool,
pjsua_acc_config *acc_cfg)
{
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc)
&& pjsua_var.acc[acc_id].valid, PJ_EINVAL);
//this now would not work due to corrupt header list
//pj_memcpy(acc_cfg, &pjsua_var.acc[acc_id].cfg, sizeof(*acc_cfg));
pjsua_acc_config_dup(pool, acc_cfg, &pjsua_var.acc[acc_id].cfg);
return PJ_SUCCESS;
}
/* Compare two SIP headers. Return zero if equal */
static int pjsip_hdr_cmp(const pjsip_hdr *h1, const pjsip_hdr *h2)
{
char buf1[PJSIP_MAX_URL_SIZE];
char buf2[PJSIP_MAX_URL_SIZE];
pj_str_t p1, p2;
p1.ptr = buf1;
p1.slen = 0;
p2.ptr = buf2;
p2.slen = 0;
p1.slen = pjsip_hdr_print_on((void*)h1, buf1, sizeof(buf1));
if (p1.slen < 0)
p1.slen = 0;
p2.slen = pjsip_hdr_print_on((void*)h2, buf2, sizeof(buf2));
if (p2.slen < 0)
p2.slen = 0;
return pj_strcmp(&p1, &p2);
}
/* Update SIP header list from another list. Return PJ_TRUE if
* the list has been updated */
static pj_bool_t update_hdr_list(pj_pool_t *pool, pjsip_hdr *dst,
const pjsip_hdr *src)
{
pjsip_hdr *dst_i;
const pjsip_hdr *src_i;
pj_bool_t changed = PJ_FALSE;
/* Remove header that's no longer needed */
for (dst_i = dst->next; dst_i != dst; ) {
for (src_i = src->next; src_i != src; src_i = src_i->next) {
if (pjsip_hdr_cmp(dst_i, src_i) == 0)
break;
}
if (src_i == src) {
pjsip_hdr *next = dst_i->next;
pj_list_erase(dst_i);
changed = PJ_TRUE;
dst_i = next;
} else {
dst_i = dst_i->next;
}
}
/* Add new header */
for (src_i = src->next; src_i != src; src_i = src_i->next) {
for (dst_i = dst->next; dst_i != dst; dst_i = dst_i->next) {
if (pjsip_hdr_cmp(dst_i, src_i) == 0)
break;
}
if (dst_i == dst) {
dst_i = pjsip_hdr_clone(pool, src_i);
pj_list_push_back(dst, dst_i);
changed = PJ_TRUE;
}
}
return changed;
}
/*
* Modify account information.
*/
PJ_DEF(pj_status_t) pjsua_acc_modify( pjsua_acc_id acc_id,
const pjsua_acc_config *cfg)
{
pjsua_acc *acc;
pjsip_name_addr *id_name_addr = NULL;
pjsip_sip_uri *id_sip_uri = NULL;
pjsip_sip_uri *reg_sip_uri = NULL;
pj_uint32_t local_route_crc;
pjsip_route_hdr local_route;
pj_str_t acc_proxy[PJSUA_ACC_MAX_PROXIES];
pj_bool_t update_reg = PJ_FALSE;
pj_bool_t unreg_first = PJ_FALSE;
pj_bool_t update_mwi = PJ_FALSE;
pj_status_t status = PJ_SUCCESS;
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
#if !PJ_HAS_IPV6
PJ_ASSERT_RETURN(cfg->ipv6_sip_use == PJSUA_IPV6_DISABLED, PJ_EINVAL);
PJ_ASSERT_RETURN(cfg->ipv6_media_use == PJSUA_IPV6_DISABLED, PJ_EINVAL);
PJ_ASSERT_RETURN(cfg->nat64_opt == PJSUA_IPV6_DISABLED, PJ_EINVAL);
#endif
PJ_LOG(4,(THIS_FILE, "Modifying account %d", acc_id));
pj_log_push_indent();
PJSUA_LOCK();
acc = &pjsua_var.acc[acc_id];
if (!acc->valid) {
status = PJ_EINVAL;
goto on_return;
}
/* == Validate first == */
/* Account id */
if (pj_strcmp(&acc->cfg.id, &cfg->id)) {
/* Need to parse id to get the elements: */
id_name_addr = (pjsip_name_addr*)
pjsip_parse_uri(acc->pool, cfg->id.ptr, cfg->id.slen,
PJSIP_PARSE_URI_AS_NAMEADDR);
if (id_name_addr == NULL) {
status = PJSIP_EINVALIDURI;
pjsua_perror(THIS_FILE, "Invalid local URI", status);
goto on_return;
}
/* URI MUST be a SIP or SIPS: */
if (!PJSIP_URI_SCHEME_IS_SIP(id_name_addr) &&
!PJSIP_URI_SCHEME_IS_SIPS(id_name_addr))
{
status = PJSIP_EINVALIDSCHEME;
pjsua_perror(THIS_FILE, "Invalid local URI", status);
goto on_return;
}
/* Get the SIP URI object: */
id_sip_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(id_name_addr);
}
/* Registrar URI */
if (pj_strcmp(&acc->cfg.reg_uri, &cfg->reg_uri) && cfg->reg_uri.slen) {
pjsip_uri *reg_uri;
unsigned rcnt;
/* Need to parse reg_uri to get the elements: */
reg_uri = pjsip_parse_uri(acc->pool, cfg->reg_uri.ptr,
cfg->reg_uri.slen, 0);
if (reg_uri == NULL) {
status = PJSIP_EINVALIDURI;
pjsua_perror(THIS_FILE, "Invalid registrar URI", status);
goto on_return;
}
/* Registrar URI MUST be a SIP or SIPS: */
if (!PJSIP_URI_SCHEME_IS_SIP(reg_uri) &&
!PJSIP_URI_SCHEME_IS_SIPS(reg_uri))
{
status = PJSIP_EINVALIDSCHEME;
pjsua_perror(THIS_FILE, "Invalid registar URI", status);
goto on_return;
}
reg_sip_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(reg_uri);
/* Clear route headers from the previous registrar. */
rcnt = (unsigned)pj_list_size(&acc->route_set);
if (rcnt != pjsua_var.ua_cfg.outbound_proxy_cnt + acc->cfg.proxy_cnt) {
pjsip_route_hdr *hr;
unsigned i;
for (i=pjsua_var.ua_cfg.outbound_proxy_cnt + acc->cfg.proxy_cnt,
hr=acc->route_set.prev;
i<rcnt;
++i)
{
pjsip_route_hdr *prev = hr->prev;
pj_list_erase(hr);
hr = prev;
}
}
}
/* REGISTER header list */
if (update_hdr_list(acc->pool, &acc->cfg.reg_hdr_list, &cfg->reg_hdr_list)) {
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* SUBSCRIBE header list */
update_hdr_list(acc->pool, &acc->cfg.sub_hdr_list, &cfg->sub_hdr_list);
/* Account proxy */
local_route_crc = calc_proxy_crc(cfg->proxy, cfg->proxy_cnt);
if (local_route_crc != acc->local_route_crc) {
pjsip_route_hdr *r;
unsigned i;
/* Validate the local route and save it to temporary var */
pj_list_init(&local_route);
for (i=0; i<cfg->proxy_cnt; ++i) {
pj_str_t hname = { "Route", 5};
pj_strdup_with_null(acc->pool, &acc_proxy[i], &cfg->proxy[i]);
status = normalize_route_uri(acc->pool, &acc_proxy[i]);
if (status != PJ_SUCCESS)
goto on_return;
r = (pjsip_route_hdr*)
pjsip_parse_hdr(acc->pool, &hname, acc_proxy[i].ptr,
acc_proxy[i].slen, NULL);
if (r == NULL) {
status = PJSIP_EINVALIDURI;
pjsua_perror(THIS_FILE, "Invalid URI in account route set",
status);
goto on_return;
}
pj_list_push_back(&local_route, r);
}
/* Recalculate the CRC again after route URI normalization */
local_route_crc = calc_proxy_crc(acc_proxy, cfg->proxy_cnt);
}
if (local_route_crc != acc->local_route_crc) {
unsigned i;
pjsip_route_hdr *r = &acc->route_set;
/* Remove the current account proxies from the route set */
for (i = 0; i < pjsua_var.ua_cfg.outbound_proxy_cnt; i++)
r = r->next;
for (i = 0; i < acc->cfg.proxy_cnt; ++i) {
pjsip_route_hdr *r_ = r->next;
pj_list_erase(r_);
}
/* Insert new proxy setting to the route set */
pj_list_insert_list_after(r, &local_route);
/* Update the proxy setting */
acc->cfg.proxy_cnt = cfg->proxy_cnt;
for (i = 0; i < cfg->proxy_cnt; ++i)
acc->cfg.proxy[i] = acc_proxy[i];
/* Update local route CRC */
acc->local_route_crc = local_route_crc;
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* == Apply the new config == */
/* Account ID. */
if (id_name_addr && id_sip_uri) {
pj_strdup_with_null(acc->pool, &acc->cfg.id, &cfg->id);
pj_strdup_with_null(acc->pool, &acc->display, &id_name_addr->display);
pj_strdup_with_null(acc->pool, &acc->user_part, &id_sip_uri->user);
pj_strdup_with_null(acc->pool, &acc->srv_domain, &id_sip_uri->host);
acc->srv_port = 0;
acc->is_sips = PJSIP_URI_SCHEME_IS_SIPS(id_name_addr);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* SIP IP version preference */
if (acc->cfg.ipv6_sip_use != cfg->ipv6_sip_use) {
acc->cfg.ipv6_sip_use = cfg->ipv6_sip_use;
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* User data */
acc->cfg.user_data = cfg->user_data;
/* Priority */
if (acc->cfg.priority != cfg->priority) {
unsigned i;
acc->cfg.priority = cfg->priority;
/* Resort accounts priority */
for (i=0; i<pjsua_var.acc_cnt; ++i) {
if (pjsua_var.acc_ids[i] == acc_id)
break;
}
pj_assert(i < pjsua_var.acc_cnt);
pj_array_erase(pjsua_var.acc_ids, sizeof(acc_id),
pjsua_var.acc_cnt, i);
for (i=0; i<pjsua_var.acc_cnt; ++i) {
if (pjsua_var.acc[pjsua_var.acc_ids[i]].cfg.priority <
acc->cfg.priority)
{
break;
}
}
pj_array_insert(pjsua_var.acc_ids, sizeof(acc_id),
pjsua_var.acc_cnt, i, &acc_id);
}
/* MWI */
if (acc->cfg.mwi_enabled != cfg->mwi_enabled) {
acc->cfg.mwi_enabled = cfg->mwi_enabled;
update_mwi = PJ_TRUE;
}
if (acc->cfg.mwi_expires != cfg->mwi_expires && cfg->mwi_expires > 0) {
acc->cfg.mwi_expires = cfg->mwi_expires;
update_mwi = PJ_TRUE;
}
/* PIDF tuple ID */
if (pj_strcmp(&acc->cfg.pidf_tuple_id, &cfg->pidf_tuple_id))
pj_strdup_with_null(acc->pool, &acc->cfg.pidf_tuple_id,
&cfg->pidf_tuple_id);
/* Publish */
acc->cfg.publish_opt = cfg->publish_opt;
acc->cfg.unpublish_max_wait_time_msec = cfg->unpublish_max_wait_time_msec;
if (acc->cfg.publish_enabled != cfg->publish_enabled) {
acc->cfg.publish_enabled = cfg->publish_enabled;
if (!acc->cfg.publish_enabled)
pjsua_pres_unpublish(acc, 0);
else
update_reg = PJ_TRUE;
}
/* Force contact URI */
if (pj_strcmp(&acc->cfg.force_contact, &cfg->force_contact)) {
pj_strdup_with_null(acc->pool, &acc->cfg.force_contact,
&cfg->force_contact);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Register contact params */
if (pj_strcmp(&acc->cfg.reg_contact_params, &cfg->reg_contact_params)) {
pj_strdup_with_null(acc->pool, &acc->cfg.reg_contact_params,
&cfg->reg_contact_params);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Register contact URI params */
if (pj_strcmp(&acc->cfg.reg_contact_uri_params,
&cfg->reg_contact_uri_params))
{
pj_strdup_with_null(acc->pool, &acc->cfg.reg_contact_uri_params,
&cfg->reg_contact_uri_params);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Contact param */
if (pj_strcmp(&acc->cfg.contact_params, &cfg->contact_params)) {
pj_strdup_with_null(acc->pool, &acc->cfg.contact_params,
&cfg->contact_params);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Contact URI params */
if (pj_strcmp(&acc->cfg.contact_uri_params, &cfg->contact_uri_params)) {
pj_strdup_with_null(acc->pool, &acc->cfg.contact_uri_params,
&cfg->contact_uri_params);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Reliable provisional response */
acc->cfg.require_100rel = cfg->require_100rel;
/* Session timer */
acc->cfg.use_timer = cfg->use_timer;
acc->cfg.timer_setting = cfg->timer_setting;
/* Transport */
if (acc->cfg.transport_id != cfg->transport_id) {
pjsua_acc_set_transport(acc_id, cfg->transport_id);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Update keep-alive */
if (acc->cfg.ka_interval != cfg->ka_interval ||
pj_strcmp(&acc->cfg.ka_data, &cfg->ka_data))
{
pjsip_transport *ka_transport = acc->ka_transport;
if (acc->ka_timer.id) {
pjsip_endpt_cancel_timer(pjsua_var.endpt, &acc->ka_timer);
acc->ka_timer.id = PJ_FALSE;
}
if (acc->ka_transport) {
pjsip_transport_dec_ref(acc->ka_transport);
acc->ka_transport = NULL;
}
acc->cfg.ka_interval = cfg->ka_interval;
if (cfg->ka_interval) {
if (ka_transport) {
/* Keep-alive has been running so we can just restart it */
pj_time_val delay;
pjsip_transport_add_ref(ka_transport);
acc->ka_transport = ka_transport;
acc->ka_timer.cb = &keep_alive_timer_cb;
acc->ka_timer.user_data = (void*)acc;
delay.sec = acc->cfg.ka_interval;
delay.msec = 0;
status = pjsua_schedule_timer(&acc->ka_timer, &delay);
if (status == PJ_SUCCESS) {
acc->ka_timer.id = PJ_TRUE;
} else {
pjsip_transport_dec_ref(ka_transport);
acc->ka_transport = NULL;
pjsua_perror(THIS_FILE, "Error starting keep-alive timer",
status);
}
} else {
/* Keep-alive has not been running, we need to (re)register
* first.
*/
update_reg = PJ_TRUE;
}
}
}
if (pj_strcmp(&acc->cfg.ka_data, &cfg->ka_data))
pj_strdup(acc->pool, &acc->cfg.ka_data, &cfg->ka_data);
#if defined(PJMEDIA_HAS_SRTP) && (PJMEDIA_HAS_SRTP != 0)
acc->cfg.use_srtp = cfg->use_srtp;
acc->cfg.srtp_secure_signaling = cfg->srtp_secure_signaling;
acc->cfg.srtp_optional_dup_offer = cfg->srtp_optional_dup_offer;
#endif
#if defined(PJMEDIA_STREAM_ENABLE_KA) && (PJMEDIA_STREAM_ENABLE_KA != 0)
acc->cfg.use_stream_ka = cfg->use_stream_ka;
#endif
/* Use of proxy */
if (acc->cfg.reg_use_proxy != cfg->reg_use_proxy) {
acc->cfg.reg_use_proxy = cfg->reg_use_proxy;
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Credential info */
{
unsigned i;
pj_bool_t cred_changed = PJ_FALSE;
/* Selective update credential info. */
for (i = 0; i < cfg->cred_count; ++i) {
unsigned j;
pjsip_cred_info ci;
/* Find if this credential is already listed */
for (j = i; j < acc->cfg.cred_count; ++j) {
if (pjsip_cred_info_cmp(&acc->cfg.cred_info[j],
&cfg->cred_info[i]) == 0)
{
/* Found, but different index/position, swap */
if (j != i) {
ci = acc->cfg.cred_info[i];
acc->cfg.cred_info[i] = acc->cfg.cred_info[j];
acc->cfg.cred_info[j] = ci;
}
break;
}
}
/* Not found, insert this */
if (j == acc->cfg.cred_count) {
cred_changed = PJ_TRUE;
/* If account credential is full, discard the last one. */
if (acc->cfg.cred_count == PJ_ARRAY_SIZE(acc->cfg.cred_info)) {
pj_array_erase(acc->cfg.cred_info, sizeof(pjsip_cred_info),
acc->cfg.cred_count, acc->cfg.cred_count-1);
acc->cfg.cred_count--;
}
/* Insert this */
pjsip_cred_info_dup(acc->pool, &ci, &cfg->cred_info[i]);
pj_array_insert(acc->cfg.cred_info, sizeof(pjsip_cred_info),
acc->cfg.cred_count, i, &ci);
}
}
acc->cfg.cred_count = cfg->cred_count;
/* Concatenate credentials from account config and global config */
acc->cred_cnt = 0;
for (i=0; i<acc->cfg.cred_count; ++i) {
acc->cred[acc->cred_cnt++] = acc->cfg.cred_info[i];
}
for (i=0; i<pjsua_var.ua_cfg.cred_count &&
acc->cred_cnt < PJ_ARRAY_SIZE(acc->cred); ++i)
{
acc->cred[acc->cred_cnt++] = pjsua_var.ua_cfg.cred_info[i];
}
if (cred_changed) {
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
}
/* Authentication preference */
acc->cfg.auth_pref.initial_auth = cfg->auth_pref.initial_auth;
if (pj_strcmp(&acc->cfg.auth_pref.algorithm, &cfg->auth_pref.algorithm)) {
pj_strdup_with_null(acc->pool, &acc->cfg.auth_pref.algorithm,
&cfg->auth_pref.algorithm);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Registration */
if (acc->cfg.reg_timeout != cfg->reg_timeout) {
acc->cfg.reg_timeout = cfg->reg_timeout;
if (acc->regc != NULL)
pjsip_regc_update_expires(acc->regc, acc->cfg.reg_timeout);
update_reg = PJ_TRUE;
}
acc->cfg.unreg_timeout = cfg->unreg_timeout;
acc->cfg.allow_contact_rewrite = cfg->allow_contact_rewrite;
acc->cfg.reg_retry_interval = cfg->reg_retry_interval;
acc->cfg.reg_first_retry_interval = cfg->reg_first_retry_interval;
acc->cfg.reg_retry_random_interval = cfg->reg_retry_random_interval;
acc->cfg.drop_calls_on_reg_fail = cfg->drop_calls_on_reg_fail;
acc->cfg.register_on_acc_add = cfg->register_on_acc_add;
if (acc->cfg.reg_delay_before_refresh != cfg->reg_delay_before_refresh) {
acc->cfg.reg_delay_before_refresh = cfg->reg_delay_before_refresh;
if (acc->regc != NULL)
pjsip_regc_set_delay_before_refresh(acc->regc,
cfg->reg_delay_before_refresh);
}
/* Allow via rewrite */
if (acc->cfg.allow_via_rewrite != cfg->allow_via_rewrite) {
if (acc->regc != NULL) {
if (cfg->allow_via_rewrite) {
pjsip_regc_set_via_sent_by(acc->regc, &acc->via_addr,
acc->via_tp);
} else
pjsip_regc_set_via_sent_by(acc->regc, NULL, NULL);
}
if (acc->publish_sess != NULL) {
if (cfg->allow_via_rewrite) {
pjsip_publishc_set_via_sent_by(acc->publish_sess,
&acc->via_addr, acc->via_tp);
} else
pjsip_publishc_set_via_sent_by(acc->publish_sess, NULL, NULL);
}
acc->cfg.allow_via_rewrite = cfg->allow_via_rewrite;
}
/* Normalize registration timeout and refresh delay */
if (acc->cfg.reg_uri.slen ) {
if (acc->cfg.reg_timeout == 0) {
acc->cfg.reg_timeout = PJSUA_REG_INTERVAL;
}
if (acc->cfg.reg_delay_before_refresh == 0) {
acc->cfg.reg_delay_before_refresh =
PJSIP_REGISTER_CLIENT_DELAY_BEFORE_REFRESH;
}
}
/* Registrar URI */
if (pj_strcmp(&acc->cfg.reg_uri, &cfg->reg_uri)) {
if (cfg->reg_uri.slen) {
pj_strdup_with_null(acc->pool, &acc->cfg.reg_uri, &cfg->reg_uri);
if (reg_sip_uri)
acc->srv_port = reg_sip_uri->port;
}
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* SIP outbound setting */
if (acc->cfg.use_rfc5626 != cfg->use_rfc5626 ||
pj_strcmp(&acc->cfg.rfc5626_instance_id, &cfg->rfc5626_instance_id) ||
pj_strcmp(&acc->cfg.rfc5626_reg_id, &cfg->rfc5626_reg_id))
{
if (acc->cfg.use_rfc5626 != cfg->use_rfc5626)
acc->cfg.use_rfc5626 = cfg->use_rfc5626;
if (pj_strcmp(&acc->cfg.rfc5626_instance_id,
&cfg->rfc5626_instance_id))
{
pj_strdup_with_null(acc->pool, &acc->cfg.rfc5626_instance_id,
&cfg->rfc5626_instance_id);
}
if (pj_strcmp(&acc->cfg.rfc5626_reg_id, &cfg->rfc5626_reg_id)) {
pj_strdup_with_null(acc->pool, &acc->cfg.rfc5626_reg_id,
&cfg->rfc5626_reg_id);
}
init_outbound_setting(acc);
update_reg = PJ_TRUE;
unreg_first = PJ_TRUE;
}
/* Video settings */
acc->cfg.vid_in_auto_show = cfg->vid_in_auto_show;
acc->cfg.vid_out_auto_transmit = cfg->vid_out_auto_transmit;
acc->cfg.vid_wnd_flags = cfg->vid_wnd_flags;
acc->cfg.vid_cap_dev = cfg->vid_cap_dev;
acc->cfg.vid_rend_dev = cfg->vid_rend_dev;
acc->cfg.vid_stream_rc_cfg = cfg->vid_stream_rc_cfg;
/* Media settings */
if (acc->cfg.rtp_cfg.port != cfg->rtp_cfg.port) {
/* Note that changing port range only changes the calculation of
* the next rtp port but doesn't reset it.
*/
acc->next_rtp_port = 0;
}
if (pj_stricmp(&acc->cfg.rtp_cfg.public_addr, &cfg->rtp_cfg.public_addr) ||
pj_stricmp(&acc->cfg.rtp_cfg.bound_addr, &cfg->rtp_cfg.bound_addr))
{
pjsua_transport_config_dup(acc->pool, &acc->cfg.rtp_cfg,
&cfg->rtp_cfg);
} else {
pj_str_t p_addr = acc->cfg.rtp_cfg.public_addr;
pj_str_t b_addr = acc->cfg.rtp_cfg.bound_addr;
/* ..to save memory by not using the pool */
acc->cfg.rtp_cfg = cfg->rtp_cfg;
acc->cfg.rtp_cfg.public_addr = p_addr;
acc->cfg.rtp_cfg.bound_addr = b_addr;
}
acc->cfg.nat64_opt = PJ_HAS_IPV6? cfg->nat64_opt :
PJSUA_NAT64_DISABLED;
acc->cfg.ipv6_media_use = PJ_HAS_IPV6? cfg->ipv6_media_use :
PJSUA_IPV6_DISABLED;
acc->cfg.enable_rtcp_mux = cfg->enable_rtcp_mux;
acc->cfg.lock_codec = cfg->lock_codec;
acc->cfg.enable_rtcp_xr = cfg->enable_rtcp_xr;
/* STUN and Media customization */
if (acc->cfg.sip_stun_use != cfg->sip_stun_use) {
acc->cfg.sip_stun_use = cfg->sip_stun_use;
update_reg = PJ_TRUE;
}
acc->cfg.media_stun_use = cfg->media_stun_use;
/* ICE settings */
acc->cfg.ice_cfg_use = cfg->ice_cfg_use;
switch (acc->cfg.ice_cfg_use) {
case PJSUA_ICE_CONFIG_USE_DEFAULT:
/* Copy ICE settings from media settings so that we don't need to
* check the media config if we look for ICE config.
*/
pjsua_ice_config_from_media_config(NULL, &acc->cfg.ice_cfg,
&pjsua_var.media_cfg);
break;
case PJSUA_ICE_CONFIG_USE_CUSTOM:
pjsua_ice_config_dup(acc->pool, &acc->cfg.ice_cfg, &cfg->ice_cfg);
break;
}
/* TURN settings */
acc->cfg.turn_cfg_use = cfg->turn_cfg_use;
switch (acc->cfg.turn_cfg_use) {
case PJSUA_TURN_CONFIG_USE_DEFAULT:
/* Copy TURN settings from media settings so that we don't need to
* check the media config if we look for TURN config.
*/
pjsua_turn_config_from_media_config(NULL, &acc->cfg.turn_cfg,
&pjsua_var.media_cfg);
break;
case PJSUA_TURN_CONFIG_USE_CUSTOM:
pjsua_turn_config_dup(acc->pool, &acc->cfg.turn_cfg,
&cfg->turn_cfg);
break;
}
acc->cfg.use_srtp = cfg->use_srtp;
/* Call hold type */
acc->cfg.call_hold_type = cfg->call_hold_type;
/* Unregister first */
if (unreg_first) {
if (acc->regc) {
status = pjsua_acc_set_registration(acc->index, PJ_FALSE);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Ignored failure in unregistering the "
"old account setting in modifying account",
status);
/* Not really sure if we should return error */
status = PJ_SUCCESS;
}
}
destroy_regc(acc, PJ_TRUE);
if (!cfg->reg_uri.slen) {
/* Reg URI still needed, delay unset after sending unregister. */
pj_bzero(&acc->cfg.reg_uri, sizeof(acc->cfg.reg_uri));
}
}
/* Update registration */
if (update_reg) {
/* If accounts has registration enabled, start registration */
if (acc->cfg.reg_uri.slen) {
status = pjsua_acc_set_registration(acc->index, PJ_TRUE);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Failed to register with new account "
"setting in modifying account", status);
goto on_return;
}
}
}
/* Update MWI subscription */
if (update_mwi) {
status = pjsua_start_mwi(acc_id, PJ_TRUE);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Failed in starting MWI subscription for "
"new account setting in modifying account", status);
}
}
/* IP Change config */
acc->cfg.ip_change_cfg.shutdown_tp = cfg->ip_change_cfg.shutdown_tp;
acc->cfg.ip_change_cfg.hangup_calls = cfg->ip_change_cfg.hangup_calls;
acc->cfg.ip_change_cfg.reinvite_flags = cfg->ip_change_cfg.reinvite_flags;
/* SRTP setting */
pjsua_srtp_opt_dup(acc->pool, &acc->cfg.srtp_opt, &cfg->srtp_opt,
PJ_TRUE);
/* RTCP-FB config */
pjmedia_rtcp_fb_setting_dup(acc->pool, &acc->cfg.rtcp_fb_cfg,
&cfg->rtcp_fb_cfg);
on_return:
PJSUA_UNLOCK();
pj_log_pop_indent();
return status;
}
/*
* Modify account's presence status to be advertised to remote/presence
* subscribers.
*/
PJ_DEF(pj_status_t) pjsua_acc_set_online_status( pjsua_acc_id acc_id,
pj_bool_t is_online)
{
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
PJ_LOG(4,(THIS_FILE, "Acc %d: setting online status to %d..",
acc_id, is_online));
pj_log_push_indent();
pjsua_var.acc[acc_id].online_status = is_online;
pj_bzero(&pjsua_var.acc[acc_id].rpid, sizeof(pjrpid_element));
pjsua_pres_update_acc(acc_id, PJ_FALSE);
pj_log_pop_indent();
return PJ_SUCCESS;
}
/*
* Set online status with extended information
*/
PJ_DEF(pj_status_t) pjsua_acc_set_online_status2( pjsua_acc_id acc_id,
pj_bool_t is_online,
const pjrpid_element *pr)
{
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
PJ_LOG(4,(THIS_FILE, "Acc %d: setting online status to %d..",
acc_id, is_online));
pj_log_push_indent();
PJSUA_LOCK();
pjsua_var.acc[acc_id].online_status = is_online;
pjrpid_element_dup(pjsua_var.acc[acc_id].pool, &pjsua_var.acc[acc_id].rpid, pr);
PJSUA_UNLOCK();
pjsua_pres_update_acc(acc_id, PJ_TRUE);
pj_log_pop_indent();
return PJ_SUCCESS;
}
/* Create reg_contact, adding SIP outbound params and other REGISTER specific
* Contact params, i.e: reg_contact_params, reg_contact_uri_params.
*/
static void update_regc_contact(pjsua_acc *acc)
{
pjsua_acc_config *acc_cfg = &acc->cfg;
pj_bool_t need_outbound = PJ_FALSE;
const pj_str_t tcp_param = pj_str(";transport=tcp");
const pj_str_t tls_param = pj_str(";transport=tls");
if (!acc_cfg->use_rfc5626)
goto done;
/* Check if outbound has been requested and rejected */
if (acc->rfc5626_status == OUTBOUND_NA)
goto done;
if (pj_stristr(&acc->contact, &tcp_param)==NULL &&
pj_stristr(&acc->contact, &tls_param)==NULL)
{
/* Currently we can only do SIP outbound for TCP
* and TLS.
*/
goto done;
}
/* looks like we can use outbound */
need_outbound = PJ_TRUE;
done:
{
pj_ssize_t len;
pj_str_t reg_contact;
acc->rfc5626_status = OUTBOUND_WANTED;
len = acc->contact.slen +
acc->cfg.contact_params.slen +
acc->cfg.reg_contact_params.slen +
acc->cfg.reg_contact_uri_params.slen +
(need_outbound?
(acc->rfc5626_instprm.slen + acc->rfc5626_regprm.slen): 0);
if (len > acc->contact.slen) {
reg_contact.ptr = (char*) pj_pool_alloc(acc->pool, len);
pj_strcpy(&reg_contact, &acc->contact);
/* Contact URI params */
if (acc->cfg.reg_contact_uri_params.slen) {
pj_pool_t *pool;
pjsip_contact_hdr *contact_hdr;
pjsip_sip_uri *uri;
pj_str_t uri_param = acc->cfg.reg_contact_uri_params;
const pj_str_t STR_CONTACT = { "Contact", 7 };
char tmp_uri[PJSIP_MAX_URL_SIZE];
pj_ssize_t tmp_len;
/* Get the URI string */
pool = pjsua_pool_create("tmp", 512, 512);
contact_hdr = (pjsip_contact_hdr*)
pjsip_parse_hdr(pool, &STR_CONTACT,
reg_contact.ptr,
reg_contact.slen, NULL);
pj_assert(contact_hdr != NULL);
uri = (pjsip_sip_uri*) contact_hdr->uri;
pj_assert(uri != NULL);
uri = (pjsip_sip_uri*) pjsip_uri_get_uri(uri);
tmp_len = pjsip_uri_print(PJSIP_URI_IN_CONTACT_HDR,
uri, tmp_uri,
sizeof(tmp_uri));
pj_assert(tmp_len > 0);
pj_pool_release(pool);
/* Regenerate Contact */
reg_contact.slen = pj_ansi_snprintf(
reg_contact.ptr, len,
"<%.*s%.*s>%.*s",
(int)tmp_len, tmp_uri,
(int)uri_param.slen, uri_param.ptr,
(int)acc->cfg.contact_params.slen,
acc->cfg.contact_params.ptr);
pj_assert(reg_contact.slen > 0);
}
/* Outbound */
if (need_outbound) {
acc->rfc5626_status = OUTBOUND_WANTED;
/* Need to use outbound, append the contact with
* +sip.instance and reg-id parameters.
*/
pj_strcat(&reg_contact, &acc->rfc5626_regprm);
pj_strcat(&reg_contact, &acc->rfc5626_instprm);
} else {
acc->rfc5626_status = OUTBOUND_NA;
}
/* Contact params */
pj_strcat(&reg_contact, &acc->cfg.reg_contact_params);
acc->reg_contact = reg_contact;
PJ_LOG(4,(THIS_FILE,
"Contact for acc %d updated: %.*s",
acc->index,
(int)acc->reg_contact.slen,
acc->reg_contact.ptr));
} else {
/* Outbound is not needed/wanted for the account and there's
* no custom registration Contact params. acc->reg_contact
* is set to the same as acc->contact.
*/
acc->reg_contact = acc->contact;
acc->rfc5626_status = OUTBOUND_NA;
}
}
}
/* Check if IP is private IP address */
static pj_bool_t is_private_ip(const pj_str_t *addr)
{
const pj_str_t private_net[] =
{
{ "10.", 3 },
{ "127.", 4 },
{ "172.16.", 7 }, { "172.17.", 7 }, { "172.18.", 7 }, { "172.19.", 7 },
{ "172.20.", 7 }, { "172.21.", 7 }, { "172.22.", 7 }, { "172.23.", 7 },
{ "172.24.", 7 }, { "172.25.", 7 }, { "172.26.", 7 }, { "172.27.", 7 },
{ "172.28.", 7 }, { "172.29.", 7 }, { "172.30.", 7 }, { "172.31.", 7 },
{ "192.168.", 8 }
};
unsigned i;
for (i=0; i<PJ_ARRAY_SIZE(private_net); ++i) {
if (pj_strncmp(addr, &private_net[i], private_net[i].slen)==0)
return PJ_TRUE;
}
return PJ_FALSE;
}
/* Update NAT address from the REGISTER response */
static pj_bool_t acc_check_nat_addr(pjsua_acc *acc,
int contact_rewrite_method,
struct pjsip_regc_cbparam *param)
{
pjsip_transport *tp;
const pj_str_t *via_addr;
pj_pool_t *pool;
int rport;
pjsip_sip_uri *uri;
pjsip_via_hdr *via;
pj_sockaddr contact_addr;
pj_sockaddr recv_addr = {{0}};
pj_status_t status;
pj_bool_t matched;
pj_str_t srv_ip;
pjsip_contact_hdr *contact_hdr;
char host_addr_buf[PJ_INET6_ADDRSTRLEN+10];
char via_addr_buf[PJ_INET6_ADDRSTRLEN+10];
const pj_str_t STR_CONTACT = { "Contact", 7 };
tp = param->rdata->tp_info.transport;
/* Get the received and rport info */
via = param->rdata->msg_info.via;
if (via->rport_param < 1) {
/* Remote doesn't support rport */
rport = via->sent_by.port;
if (rport==0) {
pjsip_transport_type_e tp_type;
tp_type = (pjsip_transport_type_e) tp->key.type;
rport = pjsip_transport_get_default_port_for_type(tp_type);
}
} else
rport = via->rport_param;
if (via->recvd_param.slen != 0)
via_addr = &via->recvd_param;
else
via_addr = &via->sent_by.host;
/* If allow_via_rewrite is enabled, we save the Via "received" address
* from the response, if either of the following condition is met:
* - the Via "received" address differs from saved one (or we haven't
* saved any yet)
* - transport is different
* - only the port has changed, AND either the received address is
* public IP or allow_contact_rewrite is 2
*/
if (acc->cfg.allow_via_rewrite &&
(pj_strcmp(&acc->via_addr.host, via_addr) || acc->via_tp != tp ||
(acc->via_addr.port != rport &&
(!is_private_ip(via_addr) || acc->cfg.allow_contact_rewrite == 2))))
{
if (pj_strcmp(&acc->via_addr.host, via_addr))
pj_strdup(acc->pool, &acc->via_addr.host, via_addr);
acc->via_addr.port = rport;
acc->via_tp = tp;
pjsip_regc_set_via_sent_by(acc->regc, &acc->via_addr, acc->via_tp);
if (acc->publish_sess != NULL) {
pjsip_publishc_set_via_sent_by(acc->publish_sess,
&acc->via_addr, acc->via_tp);
}
}
/* Save mapped address if needed */
if (acc->cfg.allow_sdp_nat_rewrite &&
pj_strcmp(&acc->reg_mapped_addr, via_addr))
{
pj_strdup(acc->pool, &acc->reg_mapped_addr, via_addr);
}
/* Only update if account is configured to auto-update */
if (acc->cfg.allow_contact_rewrite == PJ_FALSE)
return PJ_FALSE;
/* If SIP outbound is active, no need to update */
if (acc->rfc5626_status == OUTBOUND_ACTIVE) {
PJ_LOG(4,(THIS_FILE, "Acc %d has SIP outbound active, no need to "
"update registration Contact", acc->index));
return PJ_FALSE;
}
#if 0
// Always update
// See http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/2008-March/002178.html
/* For UDP, only update if STUN is enabled (for now).
* For TCP/TLS, always check.
*/
if ((tp->key.type == PJSIP_TRANSPORT_UDP &&
(pjsua_var.ua_cfg.stun_domain.slen != 0 ||
(pjsua_var.ua_cfg.stun_host.slen != 0)) ||
(tp->key.type == PJSIP_TRANSPORT_TCP) ||
(tp->key.type == PJSIP_TRANSPORT_TLS))
{
/* Yes we will check */
} else {
return PJ_FALSE;
}
#endif
/* Compare received and rport with the URI in our registration */
pool = pjsua_pool_create("tmp", 512, 512);
contact_hdr = (pjsip_contact_hdr*)
pjsip_parse_hdr(pool, &STR_CONTACT, acc->contact.ptr,
acc->contact.slen, NULL);
pj_assert(contact_hdr != NULL);
uri = (pjsip_sip_uri*) contact_hdr->uri;
pj_assert(uri != NULL);
uri = (pjsip_sip_uri*) pjsip_uri_get_uri(uri);
if (uri->port == 0) {
pjsip_transport_type_e tp_type;
tp_type = (pjsip_transport_type_e) tp->key.type;
uri->port = pjsip_transport_get_default_port_for_type(tp_type);
}
/* Convert IP address strings into sockaddr for comparison.
* (https://github.com/pjsip/pjproject/issues/863)
*/
status = pj_sockaddr_parse(pj_AF_UNSPEC(), 0, &uri->host,
&contact_addr);
if (status == PJ_SUCCESS)
status = pj_sockaddr_parse(pj_AF_UNSPEC(), 0, via_addr,
&recv_addr);
if (status == PJ_SUCCESS) {
/* Compare the addresses as sockaddr according to the ticket above,
* but only if they have the same family (ipv4 vs ipv4, or
* ipv6 vs ipv6).
* Checking for the same address family is currently disabled,
* since it can be useful in cases such as when on NAT64,
* in order to get the IPv4-mapped address from IPv6.
*/
matched = //(contact_addr.addr.sa_family != recv_addr.addr.sa_family)||
(uri->port == rport &&
pj_sockaddr_cmp(&contact_addr, &recv_addr)==0);
} else {
/* Compare the addresses as string, as before */
matched = (uri->port == rport &&
pj_stricmp(&uri->host, via_addr)==0);
}
if (matched) {
/* Address doesn't change */
pj_pool_release(pool);
return PJ_FALSE;
}
/* Get server IP */
srv_ip = pj_str(param->rdata->pkt_info.src_name);
/* At this point we've detected that the address as seen by registrar.
* has changed.
*/
/* Do not switch if both Contact and server's IP address are
* public but response contains private IP. A NAT in the middle
* might have messed up with the SIP packets. See:
* https://github.com/pjsip/pjproject/issues/643
*
* This exception can be disabled by setting allow_contact_rewrite
* to 2. In this case, the switch will always be done whenever there
* is difference in the IP address in the response.
*/
if (acc->cfg.allow_contact_rewrite != 2 && !is_private_ip(&uri->host) &&
!is_private_ip(&srv_ip) && is_private_ip(via_addr))
{
/* Don't switch */
pj_pool_release(pool);
return PJ_FALSE;
}
/* Also don't switch if only the port number part is different, and
* the Via received address is private.
* See https://github.com/pjsip/pjproject/issues/864
*/
if (acc->cfg.allow_contact_rewrite != 2 &&
pj_sockaddr_cmp(&contact_addr, &recv_addr)==0 &&
is_private_ip(via_addr))
{
/* Don't switch */
pj_pool_release(pool);
return PJ_FALSE;
}
pj_addr_str_print(&uri->host, uri->port, host_addr_buf,
sizeof(host_addr_buf), 1);
pj_addr_str_print(via_addr, rport, via_addr_buf,
sizeof(via_addr_buf), 1);
PJ_LOG(3,(THIS_FILE, "IP address change detected for account %d "
"(%s --> %s). Updating registration "
"(using method %d)",
acc->index, host_addr_buf, via_addr_buf,
contact_rewrite_method));
pj_assert(contact_rewrite_method == PJSUA_CONTACT_REWRITE_UNREGISTER ||
contact_rewrite_method == PJSUA_CONTACT_REWRITE_NO_UNREG ||
contact_rewrite_method == PJSUA_CONTACT_REWRITE_ALWAYS_UPDATE);
if (contact_rewrite_method == PJSUA_CONTACT_REWRITE_UNREGISTER) {
/* Unregister current contact */
pjsua_acc_set_registration(acc->index, PJ_FALSE);
destroy_regc(acc, PJ_TRUE);
}
/*
* Build new Contact header
*/
{
const char *ob = ";ob";
char *tmp;
const char *beginquote, *endquote;
char transport_param[32];
int len;
pj_bool_t secure;
secure = pjsip_transport_get_flag_from_type(tp->key.type) &
PJSIP_TRANSPORT_SECURE;
/* Enclose IPv6 address in square brackets */
if (tp->key.type & PJSIP_TRANSPORT_IPV6) {
beginquote = "[";
endquote = "]";
} else {
beginquote = endquote = "";
}
/* Don't add transport parameter if it's UDP */
if (tp->key.type != PJSIP_TRANSPORT_UDP &&
tp->key.type != PJSIP_TRANSPORT_UDP6)
{
pj_ansi_snprintf(transport_param, sizeof(transport_param),
";transport=%s",
pjsip_transport_get_type_name(
(pjsip_transport_type_e)tp->key.type));
} else {
transport_param[0] = '\0';
}
tmp = (char*) pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
len = pj_ansi_snprintf(tmp, PJSIP_MAX_URL_SIZE,
"<%s:%.*s%s%s%.*s%s:%d%s%.*s%s>%.*s",
((secure && acc->is_sips)? "sips" : "sip"),
(int)acc->user_part.slen,
acc->user_part.ptr,
(acc->user_part.slen? "@" : ""),
beginquote,
(int)via_addr->slen,
via_addr->ptr,
endquote,
rport,
transport_param,
(int)acc->cfg.contact_uri_params.slen,
acc->cfg.contact_uri_params.ptr,
(acc->cfg.use_rfc5626? ob: ""),
(int)acc->cfg.contact_params.slen,
acc->cfg.contact_params.ptr);
if (len < 1 || len >= PJSIP_MAX_URL_SIZE) {
PJ_LOG(1,(THIS_FILE, "URI too long"));
pj_pool_release(pool);
return PJ_FALSE;
}
pj_strdup2_with_null(acc->pool, &acc->contact, tmp);
update_regc_contact(acc);
/* Always update, by https://github.com/pjsip/pjproject/issues/864. */
/* Since the Via address will now be overwritten to the correct
* address by https://github.com/pjsip/pjproject/issues/1537, we do
* not need to update the transport address.
*/
/*
pj_strdup_with_null(tp->pool, &tp->local_name.host, via_addr);
tp->local_name.port = rport;
*/
}
if (contact_rewrite_method == PJSUA_CONTACT_REWRITE_NO_UNREG &&
acc->regc != NULL)
{
pjsip_regc_update_contact(acc->regc, 1, &acc->reg_contact);
}
/* Perform new registration */
if (contact_rewrite_method < PJSUA_CONTACT_REWRITE_ALWAYS_UPDATE) {
pjsua_acc_set_registration(acc->index, PJ_TRUE);
}
pj_pool_release(pool);
return PJ_TRUE;
}
/* Check and update Service-Route header */
static void update_service_route(pjsua_acc *acc, pjsip_rx_data *rdata)
{
pjsip_generic_string_hdr *hsr = NULL;
pjsip_route_hdr *hr, *h;
const pj_str_t HNAME = { "Service-Route", 13 };
const pj_str_t HROUTE = { "Route", 5 };
pjsip_uri *uri[PJSUA_ACC_MAX_PROXIES];
unsigned i, uri_cnt = 0;
pj_size_t rcnt;
/* Find and parse Service-Route headers */
for (;(rdata);) {
char saved;
int parsed_len;
/* Find Service-Route header */
hsr = (pjsip_generic_string_hdr*)
pjsip_msg_find_hdr_by_name(rdata->msg_info.msg, &HNAME, hsr);
if (!hsr)
break;
/* Parse as Route header since the syntax is similar. This may
* return more than one headers.
*/
saved = hsr->hvalue.ptr[hsr->hvalue.slen];
hsr->hvalue.ptr[hsr->hvalue.slen] = '\0';
hr = (pjsip_route_hdr*)
pjsip_parse_hdr(rdata->tp_info.pool, &HROUTE, hsr->hvalue.ptr,
hsr->hvalue.slen, &parsed_len);
hsr->hvalue.ptr[hsr->hvalue.slen] = saved;
if (hr == NULL) {
/* Error */
PJ_LOG(1,(THIS_FILE, "Error parsing Service-Route header"));
return;
}
/* Save each URI in the result */
h = hr;
do {
if (!PJSIP_URI_SCHEME_IS_SIP(h->name_addr.uri) &&
!PJSIP_URI_SCHEME_IS_SIPS(h->name_addr.uri))
{
PJ_LOG(1,(THIS_FILE,"Error: non SIP URI in Service-Route: %.*s",
(int)hsr->hvalue.slen, hsr->hvalue.ptr));
return;
}
uri[uri_cnt++] = h->name_addr.uri;
h = h->next;
} while (h != hr && uri_cnt != PJ_ARRAY_SIZE(uri));
if (h != hr) {
PJ_LOG(1,(THIS_FILE, "Error: too many Service-Route headers"));
return;
}
/* Prepare to find next Service-Route header */
hsr = hsr->next;
if ((void*)hsr == (void*)&rdata->msg_info.msg->hdr)
break;
}
/*
* Update account's route set
*/
/* First remove all routes which are not the outbound proxies */
rcnt = pj_list_size(&acc->route_set);
if (rcnt != pjsua_var.ua_cfg.outbound_proxy_cnt + acc->cfg.proxy_cnt) {
for (i=pjsua_var.ua_cfg.outbound_proxy_cnt + acc->cfg.proxy_cnt,
hr=acc->route_set.prev;
i<rcnt;
++i)
{
pjsip_route_hdr *prev = hr->prev;
pj_list_erase(hr);
hr = prev;
}
}
/* Then append the Service-Route URIs */
for (i=0; i<uri_cnt; ++i) {
hr = pjsip_route_hdr_create(acc->pool);
hr->name_addr.uri = (pjsip_uri*)pjsip_uri_clone(acc->pool, uri[i]);
pj_list_push_back(&acc->route_set, hr);
}
/* Done */
PJ_LOG(4,(THIS_FILE, "Service-Route updated for acc %d with %d URI(s)",
acc->index, uri_cnt));
}
/* Keep alive timer callback */
static void keep_alive_timer_cb(pj_timer_heap_t *th, pj_timer_entry *te)
{
pjsua_acc *acc;
pjsip_tpselector tp_sel;
pj_time_val delay;
char addrtxt[PJ_INET6_ADDRSTRLEN];
pj_status_t status;
unsigned ka_timer;
unsigned lower_bound;
PJ_UNUSED_ARG(th);
PJSUA_LOCK();
te->id = PJ_FALSE;
acc = (pjsua_acc*) te->user_data;
/* Check if the account is still active. It might have just been deleted
* while the keep-alive timer was about to be called (race condition).
*/
if (acc->ka_transport == NULL)
goto on_return;
/* Select the transport to send the packet */
pj_bzero(&tp_sel, sizeof(tp_sel));
tp_sel.type = PJSIP_TPSELECTOR_TRANSPORT;
tp_sel.u.transport = acc->ka_transport;
PJ_LOG(5,(THIS_FILE,
"Sending %ld bytes keep-alive packet for acc %d to %s",
acc->cfg.ka_data.slen, acc->index,
pj_sockaddr_print(&acc->ka_target, addrtxt, sizeof(addrtxt),3)));
/* Send raw packet */
status = pjsip_tpmgr_send_raw(pjsip_endpt_get_tpmgr(pjsua_var.endpt),
acc->ka_transport->key.type, &tp_sel,
NULL, acc->cfg.ka_data.ptr,
acc->cfg.ka_data.slen,
&acc->ka_target, acc->ka_target_len,
NULL, NULL);
if (status != PJ_SUCCESS && status != PJ_EPENDING) {
pjsua_perror(THIS_FILE, "Error sending keep-alive packet", status);
}
/* Check just in case keep-alive has been disabled. This shouldn't happen
* though as when ka_interval is changed this timer should have been
* cancelled.
*
* Also check if Flow Timer (rfc5626) is not set.
*/
if (acc->cfg.ka_interval == 0 && acc->rfc5626_flowtmr == 0)
goto on_return;
ka_timer = acc->rfc5626_flowtmr ? acc->rfc5626_flowtmr :
acc->cfg.ka_interval;
lower_bound = (unsigned)((float)ka_timer * 0.8f);
delay.sec = pj_rand() % (ka_timer - lower_bound) + lower_bound;
delay.msec = 0;
/* Reschedule next timer */
status = pjsip_endpt_schedule_timer(pjsua_var.endpt, te, &delay);
if (status == PJ_SUCCESS) {
te->id = PJ_TRUE;
} else {
pjsua_perror(THIS_FILE, "Error starting keep-alive timer", status);
}
on_return:
PJSUA_UNLOCK();
}
/* Update keep-alive for the account */
static void update_keep_alive(pjsua_acc *acc, pj_bool_t start,
struct pjsip_regc_cbparam *param)
{
/* In all cases, stop keep-alive timer if it's running. */
if (acc->ka_timer.id) {
pjsip_endpt_cancel_timer(pjsua_var.endpt, &acc->ka_timer);
acc->ka_timer.id = PJ_FALSE;
if (acc->ka_transport) {
pjsip_transport_dec_ref(acc->ka_transport);
acc->ka_transport = NULL;
}
}
if (start) {
pj_time_val delay;
pj_status_t status;
pjsip_generic_string_hdr *hsr = NULL;
unsigned ka_timer;
unsigned lower_bound;
static const pj_str_t STR_FLOW_TIMER = { "Flow-Timer", 10 };
hsr = (pjsip_generic_string_hdr*)
pjsip_msg_find_hdr_by_name(param->rdata->msg_info.msg,
&STR_FLOW_TIMER, hsr);
if (hsr) {
acc->rfc5626_flowtmr = pj_strtoul(&hsr->hvalue);
}
/* Only do keep-alive if:
* - REGISTER response contain Flow-Timer header, otherwise
* - ka_interval is not zero in the account, and
* - transport is UDP.
*
* Previously we only enabled keep-alive when STUN is enabled, since
* we thought that keep-alive is only needed in Internet situation.
* But it has been discovered that Windows Firewall on WinXP also
* needs to be kept-alive, otherwise incoming packets will be dropped.
* So because of this, now keep-alive is always enabled for UDP,
* regardless of whether STUN is enabled or not.
*
* Note that this applies only for UDP. For TCP/TLS, the keep-alive
* is done by the transport layer.
*/
if (/*pjsua_var.stun_srv.ipv4.sin_family == 0 ||*/
((acc->cfg.ka_interval == 0) && (acc->rfc5626_flowtmr == 0)) ||
(!hsr && ((param->rdata->tp_info.transport->key.type &
~PJSIP_TRANSPORT_IPV6) != PJSIP_TRANSPORT_UDP)))
{
/* Keep alive is not necessary */
return;
}
/* Save transport and destination address. */
acc->ka_transport = param->rdata->tp_info.transport;
pjsip_transport_add_ref(acc->ka_transport);
/* https://github.com/pjsip/pjproject/issues/1607:
* Calculate the destination address from the original request. Some
* (broken) servers send the response using different source address
* than the one that receives the request, which is forbidden by RFC
* 3581.
*/
{
pjsip_transaction *tsx;
pjsip_tx_data *req;
tsx = pjsip_rdata_get_tsx(param->rdata);
PJ_ASSERT_ON_FAIL(tsx, return);
req = tsx->last_tx;
pj_memcpy(&acc->ka_target, &req->tp_info.dst_addr,
req->tp_info.dst_addr_len);
acc->ka_target_len = req->tp_info.dst_addr_len;
}
/* Setup and start the timer */
acc->ka_timer.cb = &keep_alive_timer_cb;
acc->ka_timer.user_data = (void*)acc;
ka_timer = acc->rfc5626_flowtmr ? acc->rfc5626_flowtmr :
acc->cfg.ka_interval;
lower_bound = (unsigned)((float)ka_timer * 0.8f);
delay.sec = pj_rand() % (ka_timer - lower_bound) + lower_bound;
delay.msec = 0;
status = pjsip_endpt_schedule_timer(pjsua_var.endpt, &acc->ka_timer,
&delay);
if (status == PJ_SUCCESS) {
char addr[PJ_INET6_ADDRSTRLEN+10];
pj_str_t input_str = pj_str(param->rdata->pkt_info.src_name);
acc->ka_timer.id = PJ_TRUE;
pj_addr_str_print(&input_str, param->rdata->pkt_info.src_port,
addr, sizeof(addr), 1);
PJ_LOG(4,(THIS_FILE, "Keep-alive timer started for acc %d, "
"destination:%s, interval:%lds",
acc->index, addr, delay.sec));
} else {
acc->ka_timer.id = PJ_FALSE;
pjsip_transport_dec_ref(acc->ka_transport);
acc->ka_transport = NULL;
pjsua_perror(THIS_FILE, "Error starting keep-alive timer", status);
}
}
}
/* Update the status of SIP outbound registration request */
static void update_rfc5626_status(pjsua_acc *acc, pjsip_rx_data *rdata)
{
pjsip_require_hdr *hreq;
const pj_str_t STR_OUTBOUND = {"outbound", 8};
unsigned i;
if (acc->rfc5626_status == OUTBOUND_UNKNOWN) {
goto on_return;
}
hreq = rdata->msg_info.require;
if (!hreq) {
acc->rfc5626_status = OUTBOUND_NA;
goto on_return;
}
for (i=0; i<hreq->count; ++i) {
if (pj_stricmp(&hreq->values[i], &STR_OUTBOUND)==0) {
acc->rfc5626_status = OUTBOUND_ACTIVE;
goto on_return;
}
}
/* Server does not support outbound */
acc->rfc5626_status = OUTBOUND_NA;
on_return:
if (acc->rfc5626_status != OUTBOUND_ACTIVE) {
acc->reg_contact = acc->contact;
}
PJ_LOG(4,(THIS_FILE, "SIP outbound status for acc %d is %s",
acc->index, (acc->rfc5626_status==OUTBOUND_ACTIVE?
"active": "not active")));
}
static void regc_tsx_cb(struct pjsip_regc_tsx_cb_param *param)
{
pjsua_acc *acc = (pjsua_acc*) param->cbparam.token;
PJSUA_LOCK();
if (param->cbparam.regc != acc->regc) {
PJSUA_UNLOCK();
return;
}
pj_log_push_indent();
/* Check if we should do NAT bound address check for contact rewrite.
* Note that '!contact_rewritten' check here is to avoid overriding
* the current contact generated from last 2xx.
*/
if (!acc->contact_rewritten &&
(acc->cfg.contact_rewrite_method &
PJSUA_CONTACT_REWRITE_ALWAYS_UPDATE) ==
PJSUA_CONTACT_REWRITE_ALWAYS_UPDATE &&
param->cbparam.code >= 400 &&
param->cbparam.rdata)
{
if (acc_check_nat_addr(acc, PJSUA_CONTACT_REWRITE_ALWAYS_UPDATE,
&param->cbparam))
{
param->contact_cnt = 1;
param->contact[0] = acc->reg_contact;
/* Don't set 'contact_rewritten' to PJ_TRUE here to allow
* further check of NAT bound address in 2xx response.
*/
}
}
PJSUA_UNLOCK();
pj_log_pop_indent();
}
/*
* Timer callback to handle call on IP change process.
*/
static void handle_call_on_ip_change_cb(void *user_data)
{
pjsua_acc *acc = (pjsua_acc*)user_data;
pjsua_acc_handle_call_on_ip_change(acc);
}
/*
* This callback is called by pjsip_regc when outgoing register
* request has completed.
*/
static void regc_cb(struct pjsip_regc_cbparam *param)
{
pjsua_acc *acc = (pjsua_acc*) param->token;
PJSUA_LOCK();
if (param->regc != acc->regc) {
PJSUA_UNLOCK();
return;
}
pj_log_push_indent();
/*
* Print registration status.
*/
if (param->status!=PJ_SUCCESS) {
pj_status_t status;
pjsua_perror(THIS_FILE, "SIP registration error",
param->status);
if (param->status == PJSIP_EBUSY) {
pj_log_pop_indent();
PJSUA_UNLOCK();
return;
}
/* This callback is called without holding the registration's lock,
* so there can be a race condition with another registration
* process. Therefore, we must not forcefully try to destroy
* the registration here.
*/
status = destroy_regc(acc, PJ_FALSE);
if (status == PJ_SUCCESS) {
/* Stop keep-alive timer if any. */
update_keep_alive(acc, PJ_FALSE, NULL);
} else {
/* Another registration is in progress. */
pj_assert(status == PJ_EBUSY);
pjsua_perror(THIS_FILE, "Deleting registration failed",
status);
}
} else if (param->code < 0 || param->code >= 300) {
PJ_LOG(2, (THIS_FILE, "SIP registration failed, status=%d (%.*s)",
param->code,
(int)param->reason.slen, param->reason.ptr));
destroy_regc(acc, PJ_TRUE);
/* Clear Service-Route header */
update_service_route(acc, NULL);
/* Stop keep-alive timer if any. */
update_keep_alive(acc, PJ_FALSE, NULL);
} else if (PJSIP_IS_STATUS_IN_CLASS(param->code, 200)) {
/* Update auto registration flag */
acc->auto_rereg.active = PJ_FALSE;
acc->auto_rereg.attempt_cnt = 0;
if (param->expiration < 1) {
destroy_regc(acc, PJ_TRUE);
/* Reset pointer to registration transport */
//acc->auto_rereg.reg_tp = NULL;
/* Stop keep-alive timer if any. */
update_keep_alive(acc, PJ_FALSE, NULL);
PJ_LOG(3,(THIS_FILE, "%s: unregistration success",
pjsua_var.acc[acc->index].cfg.id.ptr));
} else {
/* Check and update SIP outbound status first, since the result
* will determine if we should update re-registration
*/
update_rfc5626_status(acc, param->rdata);
/* Check NAT bound address if it hasn't been done before */
if (!acc->contact_rewritten &&
acc_check_nat_addr(acc, (acc->cfg.contact_rewrite_method & 3),
param))
{
PJSUA_UNLOCK();
pj_log_pop_indent();
/* Avoid another check of NAT bound address */
acc->contact_rewritten = PJ_TRUE;
return;
}
/* Check and update Service-Route header */
update_service_route(acc, param->rdata);
#if PJSUA_REG_AUTO_REG_REFRESH
PJ_LOG(3, (THIS_FILE,
"%s: registration success, status=%d (%.*s), "
"will re-register in %d seconds",
pjsua_var.acc[acc->index].cfg.id.ptr,
param->code,
(int)param->reason.slen, param->reason.ptr,
param->expiration));
#else
PJ_LOG(3, (THIS_FILE,
"%s: registration success, status=%d (%.*s), "
"auto re-register disabled",
pjsua_var.acc[acc->index].cfg.id.ptr,
param->code,
(int)param->reason.slen, param->reason.ptr));
#endif
/* Start keep-alive timer if necessary. */
update_keep_alive(acc, PJ_TRUE, param);
/* Send initial PUBLISH if it is enabled */
if (acc->cfg.publish_enabled && acc->publish_sess==NULL)
pjsua_pres_init_publish_acc(acc->index);
/* Subscribe to MWI, if it's enabled */
if (acc->cfg.mwi_enabled)
pjsua_start_mwi(acc->index, PJ_FALSE);
}
} else {
PJ_LOG(4, (THIS_FILE, "SIP registration updated status=%d", param->code));
}
acc->reg_last_err = param->status;
acc->reg_last_code = param->code;
/* Reaching this point means no contact rewrite, so reset the flag */
acc->contact_rewritten = PJ_FALSE;
/* Check if we need to auto retry registration. Basically, registration
* failure codes triggering auto-retry are those of temporal failures
* considered to be recoverable in relatively short term.
*/
if (acc->cfg.reg_retry_interval &&
acc->ip_change_op != PJSUA_IP_CHANGE_OP_ACC_UPDATE_CONTACT &&
(param->code == PJSIP_SC_REQUEST_TIMEOUT ||
param->code == PJSIP_SC_INTERNAL_SERVER_ERROR ||
param->code == PJSIP_SC_BAD_GATEWAY ||
param->code == PJSIP_SC_SERVICE_UNAVAILABLE ||
param->code == PJSIP_SC_SERVER_TIMEOUT ||
param->code == PJSIP_SC_TEMPORARILY_UNAVAILABLE ||
PJSIP_IS_STATUS_IN_CLASS(param->code, 600))) /* Global failure */
{
schedule_reregistration(acc);
}
/* Call the registration status callback */
if (pjsua_var.ua_cfg.cb.on_reg_state) {
(*pjsua_var.ua_cfg.cb.on_reg_state)(acc->index);
}
if (pjsua_var.ua_cfg.cb.on_reg_state2) {
pjsua_reg_info reg_info;
pjsip_regc_info rinfo;
pjsip_regc_get_info(param->regc, &rinfo);
reg_info.cbparam = param;
reg_info.regc = param->regc;
reg_info.renew = !param->is_unreg;
(*pjsua_var.ua_cfg.cb.on_reg_state2)(acc->index, &reg_info);
}
if (acc->ip_change_op == PJSUA_IP_CHANGE_OP_ACC_UPDATE_CONTACT) {
if (pjsua_var.ua_cfg.cb.on_ip_change_progress) {
pjsua_ip_change_op_info ip_chg_info;
pjsip_regc_info rinfo;
pj_bzero(&ip_chg_info, sizeof(ip_chg_info));
pjsip_regc_get_info(param->regc, &rinfo);
ip_chg_info.acc_update_contact.acc_id = acc->index;
ip_chg_info.acc_update_contact.code = param->code;
ip_chg_info.acc_update_contact.is_register = !param->is_unreg;
(*pjsua_var.ua_cfg.cb.on_ip_change_progress)(acc->ip_change_op,
param->status,
&ip_chg_info);
}
if (PJSIP_IS_STATUS_IN_CLASS(param->code, 200)) {
if (param->expiration < 1) {
pj_status_t status;
/* Send re-register. */
PJ_LOG(3, (THIS_FILE, "%.*s: send registration triggered by IP"
" change", (int)pjsua_var.acc[acc->index].cfg.id.slen,
pjsua_var.acc[acc->index].cfg.id.ptr));
status = pjsua_acc_set_registration(acc->index, PJ_TRUE);
if (status != PJ_SUCCESS) {
if (pjsua_var.ua_cfg.cb.on_ip_change_progress) {
pjsua_ip_change_op_info ip_chg_info;
pj_bzero(&ip_chg_info, sizeof(ip_chg_info));
ip_chg_info.acc_update_contact.acc_id = acc->index;
ip_chg_info.acc_update_contact.is_register = PJ_TRUE;
(*pjsua_var.ua_cfg.cb.on_ip_change_progress)(
acc->ip_change_op,
status,
&ip_chg_info);
}
pjsua_acc_end_ip_change(acc);
}
} else {
/* Avoid deadlock issue when sending BYE or Re-INVITE. */
pjsua_schedule_timer2(&handle_call_on_ip_change_cb,
(void*)acc, 0);
}
} else {
pjsua_acc_end_ip_change(acc);
}
}
PJSUA_UNLOCK();
pj_log_pop_indent();
}
/*
* Initialize client registration.
*/
static pj_status_t pjsua_regc_init(int acc_id)
{
pjsua_acc *acc;
pj_pool_t *pool;
pjsip_tpselector tp_sel;
pj_status_t status;
PJ_ASSERT_RETURN(pjsua_acc_is_valid(acc_id), PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
if (acc->cfg.reg_uri.slen == 0) {
PJ_LOG(3,(THIS_FILE, "Registrar URI is not specified"));
return PJ_SUCCESS;
}
/* Destroy existing session, if any */
destroy_regc(acc, PJ_TRUE);
/* initialize SIP registration if registrar is configured */
status = pjsip_regc_create( pjsua_var.endpt,
acc, &regc_cb, &acc->regc);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create client registration",
status);
return status;
}
pool = pjsua_pool_create("tmpregc", 512, 512);
if (acc->contact.slen == 0) {
pj_str_t tmp_contact;
status = pjsua_acc_create_uac_contact( pool, &tmp_contact,
acc_id, &acc->cfg.reg_uri);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to generate suitable Contact header"
" for registration",
status);
destroy_regc(acc, PJ_TRUE);
pj_pool_release(pool);
acc->regc = NULL;
return status;
}
pj_strdup_with_null(acc->pool, &acc->contact, &tmp_contact);
update_regc_contact(acc);
}
status = pjsip_regc_init( acc->regc,
&acc->cfg.reg_uri,
&acc->cfg.id,
&acc->cfg.id,
1, &acc->reg_contact,
acc->cfg.reg_timeout);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE,
"Client registration initialization error",
status);
destroy_regc(acc, PJ_TRUE);
pj_pool_release(pool);
return status;
}
pjsip_regc_set_reg_tsx_cb(acc->regc, regc_tsx_cb);
/* Set client registration's transport based on acc's config. */
pjsua_init_tpselector(acc_id, &tp_sel);
pjsip_regc_set_transport(acc->regc, &tp_sel);
/* Set credentials
*/
if (acc->cred_cnt) {
pjsip_regc_set_credentials( acc->regc, acc->cred_cnt, acc->cred);
}
/* Set delay before registration refresh */
pjsip_regc_set_delay_before_refresh(acc->regc,
acc->cfg.reg_delay_before_refresh);
/* Set authentication preference */
pjsip_regc_set_prefs(acc->regc, &acc->cfg.auth_pref);
/* Set route-set
*/
if (acc->cfg.reg_use_proxy) {
pjsip_route_hdr route_set;
const pjsip_route_hdr *r;
pj_list_init(&route_set);
if (acc->cfg.reg_use_proxy & PJSUA_REG_USE_OUTBOUND_PROXY) {
r = pjsua_var.outbound_proxy.next;
while (r != &pjsua_var.outbound_proxy) {
pj_list_push_back(&route_set, pjsip_hdr_shallow_clone(pool, r));
r = r->next;
}
}
if (acc->cfg.reg_use_proxy & PJSUA_REG_USE_ACC_PROXY &&
acc->cfg.proxy_cnt)
{
int cnt = acc->cfg.proxy_cnt;
pjsip_route_hdr *pos = route_set.prev;
int i;
r = acc->route_set.prev;
for (i=0; i<cnt; ++i) {
pj_list_push_front(pos, pjsip_hdr_shallow_clone(pool, r));
r = r->prev;
}
}
if (!pj_list_empty(&route_set))
pjsip_regc_set_route_set( acc->regc, &route_set );
}
/* Add custom request headers specified in the account config */
pjsip_regc_add_headers(acc->regc, &acc->cfg.reg_hdr_list);
/* Add other request headers. */
if (pjsua_var.ua_cfg.user_agent.slen) {
pjsip_hdr hdr_list;
const pj_str_t STR_USER_AGENT = { "User-Agent", 10 };
pjsip_generic_string_hdr *h;
pj_list_init(&hdr_list);
h = pjsip_generic_string_hdr_create(pool, &STR_USER_AGENT,
&pjsua_var.ua_cfg.user_agent);
pj_list_push_back(&hdr_list, (pjsip_hdr*)h);
pjsip_regc_add_headers(acc->regc, &hdr_list);
}
/* If SIP outbound is used, add "Supported: outbound, path header" */
if (acc->rfc5626_status == OUTBOUND_WANTED ||
acc->rfc5626_status == OUTBOUND_ACTIVE)
{
pjsip_hdr hdr_list;
pjsip_supported_hdr *hsup;
pj_list_init(&hdr_list);
hsup = pjsip_supported_hdr_create(pool);
pj_list_push_back(&hdr_list, hsup);
hsup->count = 2;
hsup->values[0] = pj_str("outbound");
hsup->values[1] = pj_str("path");
pjsip_regc_add_headers(acc->regc, &hdr_list);
}
pj_pool_release(pool);
return PJ_SUCCESS;
}
pj_bool_t pjsua_sip_acc_is_using_ipv6(pjsua_acc_id acc_id)
{
#if PJ_HAS_IPV6
pjsua_acc *acc = &pjsua_var.acc[acc_id];
return ((acc->tp_type & PJSIP_TRANSPORT_IPV6) == PJSIP_TRANSPORT_IPV6 ||
pjsua_var.acc[acc_id].cfg.ipv6_sip_use ==
PJSUA_IPV6_ENABLED_USE_IPV6_ONLY);
#else
PJ_UNUSED_ARG(acc_id);
return PJ_FALSE;
#endif
}
static int sip_acc_get_pref_ip_ver(pjsua_acc_id acc_id)
{
#if PJ_HAS_IPV6
pjsua_acc *acc = &pjsua_var.acc[acc_id];
if ((acc->tp_type & PJSIP_TRANSPORT_IPV6) == PJSIP_TRANSPORT_IPV6 ||
pjsua_var.acc[acc_id].cfg.ipv6_sip_use ==
PJSUA_IPV6_ENABLED_PREFER_IPV6 ||
pjsua_var.acc[acc_id].cfg.ipv6_sip_use ==
PJSUA_IPV6_ENABLED_USE_IPV6_ONLY)
{
return 6;
} else if (acc->tp_type != PJSIP_TRANSPORT_UNSPECIFIED ||
pjsua_var.acc[acc_id].cfg.ipv6_sip_use ==
PJSUA_IPV6_ENABLED_PREFER_IPV4 ||
pjsua_var.acc[acc_id].cfg.ipv6_sip_use ==
PJSUA_IPV6_DISABLED)
{
return 4;
} else {
/* No preference.
* (acc->tp_type == PJSIP_TRANSPORT_UNSPECIFIED &&
* pjsua_var.acc[acc_id].cfg.ipv6_sip_use ==
* PJSUA_IPV6_ENABLED_NO_PREFERENCE)
*/
return 0;
}
#else
PJ_UNUSED_ARG(acc_id);
return 4;
#endif
}
pj_bool_t pjsua_sip_acc_is_using_stun(pjsua_acc_id acc_id)
{
pjsua_acc *acc = &pjsua_var.acc[acc_id];
return acc->cfg.sip_stun_use != PJSUA_STUN_USE_DISABLED &&
pjsua_var.ua_cfg.stun_srv_cnt != 0;
}
pj_bool_t pjsua_media_acc_is_using_stun(pjsua_acc_id acc_id)
{
pjsua_acc *acc = &pjsua_var.acc[acc_id];
return acc->cfg.media_stun_use != PJSUA_STUN_USE_DISABLED &&
pjsua_var.ua_cfg.stun_srv_cnt != 0;
}
pj_bool_t pjsua_sip_acc_is_using_upnp(pjsua_acc_id acc_id)
{
pjsua_acc *acc = &pjsua_var.acc[acc_id];
return acc->cfg.sip_upnp_use != PJSUA_UPNP_USE_DISABLED &&
pjsua_var.ua_cfg.enable_upnp &&
pjsua_var.upnp_status == PJ_SUCCESS;
}
pj_bool_t pjsua_media_acc_is_using_upnp(pjsua_acc_id acc_id)
{
pjsua_acc *acc = &pjsua_var.acc[acc_id];
return acc->cfg.media_upnp_use != PJSUA_UPNP_USE_DISABLED &&
pjsua_var.ua_cfg.enable_upnp &&
pjsua_var.upnp_status == PJ_SUCCESS;
}
/*
* Update registration or perform unregistration.
*/
PJ_DEF(pj_status_t) pjsua_acc_set_registration( pjsua_acc_id acc_id,
pj_bool_t renew)
{
pjsua_acc *acc;
pj_status_t status = 0;
pjsip_tx_data *tdata = 0;
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
PJ_LOG(4,(THIS_FILE, "Acc %d: setting %sregistration..",
acc_id, (renew? "" : "un")));
pj_log_push_indent();
PJSUA_LOCK();
acc = &pjsua_var.acc[acc_id];
/* Cancel any re-registration timer */
if (pjsua_var.acc[acc_id].auto_rereg.timer.id) {
pjsua_var.acc[acc_id].auto_rereg.timer.id = PJ_FALSE;
pjsua_cancel_timer(&pjsua_var.acc[acc_id].auto_rereg.timer);
}
/* Reset pointer to registration transport */
// Do not reset this here, as if currently there is another registration
// on progress, this registration will fail but transport pointer will
// become NULL which will prevent transport to be destroyed immediately
// after disconnected (which may cause iOS app getting killed (see #1482).
//pjsua_var.acc[acc_id].auto_rereg.reg_tp = NULL;
if (renew) {
if (pjsua_var.acc[acc_id].regc == NULL) {
status = pjsua_regc_init(acc_id);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create registration",
status);
goto on_return;
}
}
if (!pjsua_var.acc[acc_id].regc) {
status = PJ_EINVALIDOP;
goto on_return;
}
status = pjsip_regc_register(pjsua_var.acc[acc_id].regc,
PJSUA_REG_AUTO_REG_REFRESH,
&tdata);
if (0 && status == PJ_SUCCESS && pjsua_var.acc[acc_id].cred_cnt) {
pjsip_authorization_hdr *h;
char *uri;
int d;
uri = (char*) pj_pool_alloc(tdata->pool, acc->cfg.reg_uri.slen+10);
d = pjsip_uri_print(PJSIP_URI_IN_REQ_URI, tdata->msg->line.req.uri,
uri, acc->cfg.reg_uri.slen+10);
pj_assert(d > 0);
PJ_UNUSED_ARG(d);
h = pjsip_authorization_hdr_create(tdata->pool);
h->scheme = pjsip_DIGEST_STR;
h->credential.digest.username = acc->cred[0].username;
h->credential.digest.realm = acc->srv_domain;
h->credential.digest.uri = pj_str(uri);
h->credential.digest.algorithm = pjsip_MD5_STR;
pjsip_msg_add_hdr(tdata->msg, (pjsip_hdr*)h);
}
} else {
if (pjsua_var.acc[acc_id].regc == NULL) {
PJ_LOG(3,(THIS_FILE, "Currently not registered"));
status = PJ_EINVALIDOP;
goto on_return;
}
pjsua_pres_unpublish(&pjsua_var.acc[acc_id], 0);
status = pjsip_regc_unregister(pjsua_var.acc[acc_id].regc, &tdata);
}
if (status == PJ_SUCCESS) {
pjsip_regc *regc = pjsua_var.acc[acc_id].regc;
if (pjsua_var.acc[acc_id].cfg.allow_via_rewrite &&
pjsua_var.acc[acc_id].via_addr.host.slen > 0)
{
pjsip_regc_set_via_sent_by(pjsua_var.acc[acc_id].regc,
&pjsua_var.acc[acc_id].via_addr,
pjsua_var.acc[acc_id].via_tp);
} else if (!pjsua_sip_acc_is_using_stun(acc_id) &&
!pjsua_sip_acc_is_using_upnp(acc_id))
{
/* Choose local interface to use in Via if acc is not using
* STUN nor UPnP.
*/
pjsua_acc_get_uac_addr(acc_id, tdata->pool,
&acc->cfg.reg_uri,
&tdata->via_addr,
NULL, NULL,
&tdata->via_tp);
}
/* Increment ref counter and release PJSUA lock here, to avoid
* deadlock while making sure that regc won't be destroyed.
*/
pjsip_regc_add_ref(regc);
PJSUA_UNLOCK();
//pjsua_process_msg_data(tdata, NULL);
status = pjsip_regc_send( regc, tdata );
PJSUA_LOCK();
if (pjsip_regc_dec_ref(regc) == PJ_EGONE) {
/* regc has been deleted. */
goto on_return;
}
}
/* Update pointer to registration transport */
if (status == PJ_SUCCESS) {
/* Variable auto_rereg.reg_tp is currently unused since it may differ
* with the transport used by regc (for example, when a resolver is
* employed). A more reliable way is to query the regc directly
* when needed.
*/
//pjsip_regc_info reg_info;
//pjsip_regc_get_info(pjsua_var.acc[acc_id].regc, &reg_info);
//pjsua_var.acc[acc_id].auto_rereg.reg_tp = reg_info.transport;
if (pjsua_var.ua_cfg.cb.on_reg_started) {
(*pjsua_var.ua_cfg.cb.on_reg_started)(acc_id, renew);
}
if (pjsua_var.ua_cfg.cb.on_reg_started2) {
pjsua_reg_info rinfo;
rinfo.cbparam = NULL;
rinfo.regc = pjsua_var.acc[acc_id].regc;
rinfo.renew = renew;
(*pjsua_var.ua_cfg.cb.on_reg_started2)(acc_id, &rinfo);
}
}
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create/send REGISTER",
status);
} else {
PJ_LOG(4,(THIS_FILE, "Acc %d: %s sent", acc_id,
(renew? "Registration" : "Unregistration")));
}
on_return:
PJSUA_UNLOCK();
pj_log_pop_indent();
return status;
}
/*
* Get account information.
*/
PJ_DEF(pj_status_t) pjsua_acc_get_info( pjsua_acc_id acc_id,
pjsua_acc_info *info)
{
pjsua_acc *acc = &pjsua_var.acc[acc_id];
pjsua_acc_config *acc_cfg = &pjsua_var.acc[acc_id].cfg;
PJ_ASSERT_RETURN(info != NULL, PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_acc_is_valid(acc_id), PJ_EINVAL);
pj_bzero(info, sizeof(pjsua_acc_info));
PJ_ASSERT_RETURN(acc_id>=0 && acc_id<(int)PJ_ARRAY_SIZE(pjsua_var.acc),
PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_var.acc[acc_id].valid, PJ_EINVALIDOP);
PJSUA_LOCK();
if (pjsua_var.acc[acc_id].valid == PJ_FALSE) {
PJSUA_UNLOCK();
return PJ_EINVALIDOP;
}
info->id = acc_id;
info->is_default = (pjsua_var.default_acc == acc_id);
info->acc_uri = acc_cfg->id;
info->has_registration = (acc->cfg.reg_uri.slen > 0);
info->online_status = acc->online_status;
pj_memcpy(&info->rpid, &acc->rpid, sizeof(pjrpid_element));
if (info->rpid.note.slen)
info->online_status_text = info->rpid.note;
else if (info->online_status)
info->online_status_text = pj_str("Online");
else
info->online_status_text = pj_str("Offline");
if (acc->reg_last_code) {
if (info->has_registration) {
info->status = (pjsip_status_code) acc->reg_last_code;
info->status_text = *pjsip_get_status_text(acc->reg_last_code);
if (acc->reg_last_err)
info->reg_last_err = acc->reg_last_err;
} else {
info->status = (pjsip_status_code) 0;
info->status_text = pj_str("not registered");
}
} else if (acc->cfg.reg_uri.slen) {
info->status = PJSIP_SC_TRYING;
info->status_text = pj_str("In Progress");
} else {
info->status = (pjsip_status_code) 0;
info->status_text = pj_str("does not register");
}
if (acc->regc) {
pjsip_regc_info regc_info;
pjsip_regc_get_info(acc->regc, &regc_info);
info->expires = regc_info.next_reg;
} else {
info->expires = PJSIP_EXPIRES_NOT_SPECIFIED;
}
PJSUA_UNLOCK();
return PJ_SUCCESS;
}
/*
* Enum accounts all account ids.
*/
PJ_DEF(pj_status_t) pjsua_enum_accs(pjsua_acc_id ids[],
unsigned *count )
{
unsigned i, c;
PJ_ASSERT_RETURN(ids && *count, PJ_EINVAL);
PJSUA_LOCK();
for (i=0, c=0; c<*count && i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
if (!pjsua_var.acc[i].valid)
continue;
ids[c] = i;
++c;
}
*count = c;
PJSUA_UNLOCK();
return PJ_SUCCESS;
}
/*
* Enum accounts info.
*/
PJ_DEF(pj_status_t) pjsua_acc_enum_info( pjsua_acc_info info[],
unsigned *count )
{
unsigned i, c;
PJ_ASSERT_RETURN(info && *count, PJ_EINVAL);
PJSUA_LOCK();
for (i=0, c=0; c<*count && i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
if (!pjsua_var.acc[i].valid)
continue;
pjsua_acc_get_info(i, &info[c]);
++c;
}
*count = c;
PJSUA_UNLOCK();
return PJ_SUCCESS;
}
/*
* This is an internal function to find the most appropriate account to
* used to reach to the specified URL.
*/
PJ_DEF(pjsua_acc_id) pjsua_acc_find_for_outgoing(const pj_str_t *url)
{
pj_str_t tmp;
pjsip_uri *uri;
pjsip_sip_uri *sip_uri;
pj_pool_t *tmp_pool;
unsigned i;
PJSUA_LOCK();
tmp_pool = pjsua_pool_create("tmpacc10", 256, 256);
pj_strdup_with_null(tmp_pool, &tmp, url);
uri = pjsip_parse_uri(tmp_pool, tmp.ptr, tmp.slen, 0);
if (!uri) {
pj_pool_release(tmp_pool);
PJSUA_UNLOCK();
return pjsua_var.default_acc;
}
if (!PJSIP_URI_SCHEME_IS_SIP(uri) &&
!PJSIP_URI_SCHEME_IS_SIPS(uri))
{
/* Return the first account with proxy */
for (i=0; i<PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
if (!pjsua_var.acc[i].valid)
continue;
if (!pj_list_empty(&pjsua_var.acc[i].route_set))
break;
}
if (i != PJ_ARRAY_SIZE(pjsua_var.acc)) {
/* Found rather matching account */
pj_pool_release(tmp_pool);
PJSUA_UNLOCK();
return i;
}
/* Not found, use default account */
pj_pool_release(tmp_pool);
PJSUA_UNLOCK();
return pjsua_var.default_acc;
}
sip_uri = (pjsip_sip_uri*) pjsip_uri_get_uri(uri);
/* Find matching domain AND port */
for (i=0; i<pjsua_var.acc_cnt; ++i) {
unsigned acc_id = pjsua_var.acc_ids[i];
if (pj_stricmp(&pjsua_var.acc[acc_id].srv_domain, &sip_uri->host)==0 &&
pjsua_var.acc[acc_id].srv_port == sip_uri->port)
{
pj_pool_release(tmp_pool);
PJSUA_UNLOCK();
return acc_id;
}
}
/* If no match, try to match the domain part only */
for (i=0; i<pjsua_var.acc_cnt; ++i) {
unsigned acc_id = pjsua_var.acc_ids[i];
if (pj_stricmp(&pjsua_var.acc[acc_id].srv_domain, &sip_uri->host)==0)
{
pj_pool_release(tmp_pool);
PJSUA_UNLOCK();
return acc_id;
}
}
/* Still no match, just use default account */
pj_pool_release(tmp_pool);
PJSUA_UNLOCK();
return pjsua_var.default_acc;
}
/*
* This is an internal function to find the most appropriate account to be
* used to handle incoming calls.
*
* If the To header contains a SIP(S) URI, then it will be used for
* finding a appropriate account, else the request URI.
* The function selects an account by weighted score.
*
* The matching priority order is: transport type (matched or not set),
* domain part, user part, and the user part of the request URI (if it is
* a SIP URI). Note that the transport type has higher priority as
* unmatched transport type may cause failure in sending response.
*/
PJ_DEF(pjsua_acc_id) pjsua_acc_find_for_incoming(pjsip_rx_data *rdata)
{
pjsip_uri *uri;
pjsip_uri *request_uri;
pjsip_sip_uri *sip_uri;
pjsip_sip_uri *request_sip_uri = NULL;
pjsua_acc_id id = PJSUA_INVALID_ID;
int max_score;
unsigned i;
if (pjsua_var.acc_cnt == 0) {
PJ_LOG(2, (THIS_FILE, "No available account to handle %s",
pjsip_rx_data_get_info(rdata)));
return PJSUA_INVALID_ID;
}
uri = rdata->msg_info.to->uri;
request_uri = rdata->msg_info.msg->line.req.uri;
PJSUA_LOCK();
if (!PJSIP_URI_SCHEME_IS_SIP(uri) &&
!PJSIP_URI_SCHEME_IS_SIPS(uri))
{
if (rdata->msg_info.msg->type == PJSIP_REQUEST_MSG)
uri = rdata->msg_info.msg->line.req.uri;
else
goto on_return;
}
if (!PJSIP_URI_SCHEME_IS_SIP(uri) &&
!PJSIP_URI_SCHEME_IS_SIPS(uri))
{
goto on_return;
}
sip_uri = (pjsip_sip_uri*)pjsip_uri_get_uri(uri);
if (PJSIP_URI_SCHEME_IS_SIP(request_uri) ||
PJSIP_URI_SCHEME_IS_SIPS(request_uri))
{
request_sip_uri = (pjsip_sip_uri*)pjsip_uri_get_uri(request_uri);
}
max_score = 0;
for (i=0; i < pjsua_var.acc_cnt; ++i) {
unsigned acc_id = pjsua_var.acc_ids[i];
pjsua_acc *acc = &pjsua_var.acc[acc_id];
int score = 0;
if (!acc->valid)
continue;
/* Match transport type */
if (acc->tp_type == rdata->tp_info.transport->key.type ||
acc->tp_type == PJSIP_TRANSPORT_UNSPECIFIED)
{
score |= 8;
}
/* Match domain */
if (pj_stricmp(&acc->srv_domain, &sip_uri->host)==0) {
score |= 4;
}
/* Match username */
if (pj_stricmp(&acc->user_part, &sip_uri->user)==0) {
score |= 2;
}
/* Match username of request URI */
if (request_sip_uri && pj_stricmp(&acc->user_part, &request_sip_uri->user)==0) {
score |= 1;
}
if (score > max_score) {
id = acc_id;
max_score = score;
}
}
PJ_LOG(6,(THIS_FILE, "Account selected for incoming call: #%u, score: %d", id, max_score));
on_return:
PJSUA_UNLOCK();
/* Still no match, use default account */
if (id == PJSUA_INVALID_ID)
id = pjsua_var.default_acc;
/* Invoke account find callback */
if (pjsua_var.ua_cfg.cb.on_acc_find_for_incoming)
(*pjsua_var.ua_cfg.cb.on_acc_find_for_incoming)(rdata, &id);
/* Verify if the specified account id is valid */
if (!pjsua_acc_is_valid(id))
id = pjsua_var.default_acc;
return id;
}
/*
* Create arbitrary requests for this account.
*/
PJ_DEF(pj_status_t) pjsua_acc_create_request(pjsua_acc_id acc_id,
const pjsip_method *method,
const pj_str_t *target,
pjsip_tx_data **p_tdata)
{
pjsip_tx_data *tdata;
pjsua_acc *acc;
pjsip_route_hdr *r;
pjsip_tpselector tp_sel;
pj_status_t status;
PJ_ASSERT_RETURN(method && target && p_tdata, PJ_EINVAL);
PJ_ASSERT_RETURN(pjsua_acc_is_valid(acc_id), PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
status = pjsip_endpt_create_request(pjsua_var.endpt, method, target,
&acc->cfg.id, target,
NULL, NULL, -1, NULL, &tdata);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE, "Unable to create request", status);
return status;
}
/* Copy routeset */
r = acc->route_set.next;
while (r != &acc->route_set) {
pjsip_msg_add_hdr(tdata->msg,
(pjsip_hdr*)pjsip_hdr_clone(tdata->pool, r));
r = r->next;
}
/* Set transmit data's transport based on acc's config. */
pjsua_init_tpselector(acc_id, &tp_sel);
pjsip_tx_data_set_transport(tdata, &tp_sel);
/* If via_addr is set, use this address for the Via header. */
if (pjsua_var.acc[acc_id].cfg.allow_via_rewrite &&
pjsua_var.acc[acc_id].via_addr.host.slen > 0)
{
tdata->via_addr = pjsua_var.acc[acc_id].via_addr;
tdata->via_tp = pjsua_var.acc[acc_id].via_tp;
} else if (!pjsua_sip_acc_is_using_stun(acc_id) &&
!pjsua_sip_acc_is_using_upnp(acc_id))
{
/* Choose local interface to use in Via if acc is not using
* STUN nor UPnP.
*/
pjsua_acc_get_uac_addr(acc_id, tdata->pool,
target,
&tdata->via_addr,
NULL, NULL,
&tdata->via_tp);
}
/* Done */
*p_tdata = tdata;
return PJ_SUCCESS;
}
/*
* Internal:
* determine if an address is a valid IP address, and if it is,
* return the IP version (4 or 6).
*/
static int get_ip_addr_ver(const pj_str_t *host)
{
pj_in_addr dummy;
pj_in6_addr dummy6;
/* First check if this is an IPv4 address */
if (pj_inet_pton(pj_AF_INET(), host, &dummy) == PJ_SUCCESS)
return 4;
/* Then check if this is an IPv6 address */
if (pj_inet_pton(pj_AF_INET6(), host, &dummy6) == PJ_SUCCESS)
return 6;
/* Not an IP address */
return 0;
}
/* Get local transport address suitable to be used for Via or Contact address
* to send request to the specified destination URI.
*/
pj_status_t pjsua_acc_get_uac_addr(pjsua_acc_id acc_id,
pj_pool_t *pool,
const pj_str_t *dst_uri,
pjsip_host_port *addr,
pjsip_transport_type_e *p_tp_type,
int *secure,
const void **p_tp)
{
pjsua_acc *acc;
pjsip_sip_uri *sip_uri;
pj_status_t status;
pjsip_transport_type_e tp_type = PJSIP_TRANSPORT_UNSPECIFIED;
unsigned flag;
int sip_pref_ip;
pjsip_tpselector tp_sel;
pjsip_tpmgr *tpmgr;
pjsip_tpmgr_fla2_param tfla2_prm;
pj_bool_t update_addr = PJ_TRUE;
PJ_ASSERT_RETURN(pjsua_acc_is_valid(acc_id), PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
/* If route-set is configured for the account, then URI is the
* first entry of the route-set.
*/
if (!pj_list_empty(&acc->route_set)) {
sip_uri = (pjsip_sip_uri*)
pjsip_uri_get_uri(acc->route_set.next->name_addr.uri);
} else {
pj_str_t tmp;
pjsip_uri *uri;
pj_strdup_with_null(pool, &tmp, dst_uri);
uri = pjsip_parse_uri(pool, tmp.ptr, tmp.slen, 0);
if (uri == NULL)
return PJSIP_EINVALIDURI;
/* For non-SIP scheme, route set should be configured */
if (!PJSIP_URI_SCHEME_IS_SIP(uri) && !PJSIP_URI_SCHEME_IS_SIPS(uri))
return PJSIP_ENOROUTESET;
sip_uri = (pjsip_sip_uri*)pjsip_uri_get_uri(uri);
}
/* Get transport type of the URI */
if (sip_uri->transport_param.slen == 0) {
tp_type = PJSIP_TRANSPORT_UDP;
} else
tp_type = pjsip_transport_get_type_from_name(&sip_uri->transport_param);
/* If the URI uses sips scheme, make sure we use secure transport. */
if (PJSIP_URI_SCHEME_IS_SIPS(sip_uri)) {
unsigned tp_flag;
tp_flag = PJSIP_TRANSPORT_SECURE;
flag = pjsip_transport_get_flag_from_type(tp_type);
if ((flag & tp_flag) != tp_flag) {
tp_type = pjsip_transport_get_type_from_flag(tp_flag);
}
}
if (tp_type == PJSIP_TRANSPORT_UNSPECIFIED)
return PJSIP_EUNSUPTRANSPORT;
/* If destination URI specifies IPv6 or account is configured to use IPv6,
* then set transport type to use IPv6 as well.
*/
sip_pref_ip = sip_acc_get_pref_ip_ver(acc_id);
if (pj_strchr(&sip_uri->host, ':') || sip_pref_ip == 6)
tp_type |= PJSIP_TRANSPORT_IPV6;
flag = pjsip_transport_get_flag_from_type(tp_type);
/* Init transport selector. */
pjsua_init_tpselector(acc_id, &tp_sel);
/* Get local address suitable to send request from */
pjsip_tpmgr_fla2_param_default(&tfla2_prm);
tfla2_prm.tp_type = tp_type;
tfla2_prm.tp_sel = &tp_sel;
tfla2_prm.dst_host = sip_uri->host;
tfla2_prm.local_if = ((!pjsua_sip_acc_is_using_stun(acc_id) &&
!pjsua_sip_acc_is_using_upnp(acc_id)) ||
(flag & PJSIP_TRANSPORT_RELIABLE));
tpmgr = pjsip_endpt_get_tpmgr(pjsua_var.endpt);
status = pjsip_tpmgr_find_local_addr2(tpmgr, pool, &tfla2_prm);
if (status != PJ_SUCCESS)
return status;
/* Set this as default return value. This may be changed below. */
addr->host = tfla2_prm.ret_addr;
addr->port = tfla2_prm.ret_port;
/* If we are behind NAT64, use the Contact and Via address from
* the UDP6 transport, which should be obtained from STUN.
*/
if (acc->cfg.nat64_opt != PJSUA_NAT64_DISABLED) {
pjsip_tpmgr_fla2_param tfla2_prm2 = tfla2_prm;
tfla2_prm2.tp_type = PJSIP_TRANSPORT_UDP6;
tfla2_prm2.tp_sel = NULL;
tfla2_prm2.local_if = (!pjsua_sip_acc_is_using_stun(acc_id) &&
!pjsua_sip_acc_is_using_upnp(acc_id));
status = pjsip_tpmgr_find_local_addr2(tpmgr, pool, &tfla2_prm2);
if (status == PJ_SUCCESS) {
update_addr = PJ_FALSE;
addr->host = tfla2_prm2.ret_addr;
pj_strdup(acc->pool, &acc->via_addr.host, &addr->host);
acc->via_addr.port = addr->port;
acc->via_tp = (pjsip_transport *)tfla2_prm.ret_tp;
}
} else
/* For UDP transport, check if we need to overwrite the address
* with its configured bound/public address.
*/
if ((flag & PJSIP_TRANSPORT_DATAGRAM) && tfla2_prm.local_if &&
tfla2_prm.ret_tp)
{
int i;
for (i = 0; i < (int)PJ_ARRAY_SIZE(pjsua_var.tpdata); i++) {
if (tfla2_prm.ret_tp==(const void *)pjsua_var.tpdata[i].data.tp) {
if (pjsua_var.tpdata[i].has_cfg_addr) {
pj_strdup(pool, &addr->host,
&pjsua_var.tpdata[i].data.tp->local_name.host);
addr->port = (pj_uint16_t)
pjsua_var.tpdata[i].data.tp->local_name.port;
}
break;
}
}
}
/* For TCP/TLS, acc may request to specify source port */
if (acc->cfg.contact_use_src_port) {
pjsip_host_info dinfo;
pjsip_transport *tp = NULL;
int af;
pj_addrinfo ai[2];
unsigned ai_cnt = 0;
int ip_addr_ver;
unsigned i;
pjsip_tx_data tdata;
pj_uint16_t port;
status = pjsip_get_dest_info((pjsip_uri *)sip_uri, NULL,
pool, &dinfo);
if (status != PJ_SUCCESS) {
PJ_PERROR(4, (THIS_FILE, status, "Unable to use source local "
"TCP/TLS socket address for Contact"));
goto on_return;
}
if ((dinfo.flag & PJSIP_TRANSPORT_RELIABLE) ==0 ) {
/* Not TCP or TLS. No need to do this */
goto on_return;
}
ip_addr_ver = get_ip_addr_ver(&dinfo.addr.host);
if (ip_addr_ver == 0 && pjsua_var.ua_cfg.nameserver_count) {
/* If nameserver is configured, PJSIP will resolve destinations
* by their DNS SRV record first. On the other hand, we will
* resolve destination with DNS A record via pj_getaddrinfo().
* They may yield different IP addresses, hence causing different
* TCP/TLS connection to be created and hence different source
* address.
*/
PJ_LOG(4,(THIS_FILE, "Warning: cannot use source TCP/TLS socket"
" address for Contact when nameserver is configured."));
goto on_return;
}
if (PJ_HAS_IPV6 && (ip_addr_ver == 6 || sip_pref_ip == 6)) {
/* Get IPv6 address if dest host is IPv6 or we prefer IPv6. */
af = pj_AF_INET6();
} else if (!PJ_HAS_IPV6 || ip_addr_ver == 4 || sip_pref_ip == 4) {
/* Get IPv4 address if dest host is IPv4 or we prefer IPv4. */
af = pj_AF_INET();
} else {
/* (ip_addr_ver == 0 && sip_pref_ip == 0)
* Destination host is not an IP address, and account config
* indicates no IP version preference, so we'll just use
* the first address returned by the OS.
*/
af = pj_AF_UNSPEC();
}
ai_cnt = 1;
status = pj_getaddrinfo(af, &dinfo.addr.host, &ai_cnt, &ai[0]);
if (status != PJ_SUCCESS)
ai_cnt = 0;
/* Get fallback address, only if the host is not IP address and
* account is not bound to a certain transport.
*/
if (PJ_HAS_IPV6 && ip_addr_ver == 0 &&
acc->tp_type == PJSIP_TRANSPORT_UNSPECIFIED)
{
unsigned cnt = 1;
/* If first address is IPv4, fallback to IPv6, and vice versa. */
if (ai_cnt) {
af = (ai[0].ai_addr.addr.sa_family == pj_AF_INET())?
pj_AF_INET6(): pj_AF_INET();
} else {
af = (af == pj_AF_INET())? pj_AF_INET6(): pj_AF_INET();
}
/* Check if the fallback addr is allowed. */
if ((af == pj_AF_INET() &&
acc->cfg.ipv6_sip_use != PJSUA_IPV6_ENABLED_USE_IPV6_ONLY) ||
(af == pj_AF_INET6() &&
acc->cfg.ipv6_sip_use != PJSUA_IPV6_DISABLED))
{
status = pj_getaddrinfo(af, &dinfo.addr.host, &cnt, &ai[ai_cnt]);
if (status != PJ_SUCCESS)
cnt = 0;
ai_cnt += cnt;
}
}
if (ai_cnt == 0) {
PJ_LOG(4, (THIS_FILE, "Unable to resolve host to "
"generate Contact address"));
goto on_return;
}
/* Create a dummy tdata to inform remote host name to transport */
pj_bzero(&tdata, sizeof(tdata));
pj_strdup(pool, &tdata.dest_info.name, &dinfo.addr.host);
port = (pj_uint16_t)dinfo.addr.port;
if (port == 0) {
port = (dinfo.flag & PJSIP_TRANSPORT_SECURE) ? 5061 : 5060;
}
/* Try to acquire transport, fallback if fails. */
for (i = 0; i < ai_cnt; i++) {
int addr_len = pj_sockaddr_get_len(&ai[i].ai_addr);
if (ai[i].ai_addr.addr.sa_family == pj_AF_INET6()) {
dinfo.type |= PJSIP_TRANSPORT_IPV6;
tp_type |= PJSIP_TRANSPORT_IPV6;
} else {
dinfo.type &= ~PJSIP_TRANSPORT_IPV6;
tp_type &= ~PJSIP_TRANSPORT_IPV6;
}
pj_sockaddr_set_port(&ai[i].ai_addr, port);
status = pjsip_endpt_acquire_transport2(pjsua_var.endpt,
dinfo.type,
&ai[i].ai_addr,
addr_len,
&tp_sel,
&tdata, &tp);
if (status == PJ_SUCCESS)
break;
}
if (status != PJ_SUCCESS) {
PJ_LOG(4,(THIS_FILE, "Unable to acquire transport for "
"Contact address"));
goto on_return;
}
if (tp->local_name.port == 0 || tp->local_name.host.slen==0 ||
*tp->local_name.host.ptr=='0')
{
/* Trap zero port or "0.0.0.0" address. */
/* The TCP/TLS transport is still connecting and unfortunately
* this OS doesn't report the bound local address in this state.
*/
PJ_LOG(4,(THIS_FILE, "Unable to get transport local port "
"for Contact address (OS doesn't support)"));
} else {
/* Got the local transport address, don't update if
* we are on NAT64 and already obtained the address
* from STUN above.
*/
if (update_addr)
pj_strdup(pool, &addr->host, &tp->local_name.host);
addr->port = tp->local_name.port;
}
/* Here the transport's ref counter WILL reach zero. But the
* transport will NOT get destroyed because it should have an
* idle timer.
*/
pjsip_transport_dec_ref(tp);
}
on_return:
if (p_tp_type)
*p_tp_type = tp_type;
if (secure) {
*secure = (flag & PJSIP_TRANSPORT_SECURE) != 0;
}
if (p_tp)
*p_tp = tfla2_prm.ret_tp;
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjsua_acc_create_uac_contact( pj_pool_t *pool,
pj_str_t *contact,
pjsua_acc_id acc_id,
const pj_str_t *suri)
{
pjsua_acc *acc;
pj_status_t status;
pjsip_transport_type_e tp_type;
pjsip_host_port addr;
int secure;
const char *beginquote, *endquote;
char transport_param[32];
const char *ob = ";ob";
PJ_ASSERT_RETURN(pjsua_acc_is_valid(acc_id), PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
/* If force_contact is configured, then use use it */
if (acc->cfg.force_contact.slen) {
*contact = acc->cfg.force_contact;
return PJ_SUCCESS;
}
status = pjsua_acc_get_uac_addr(acc_id, pool, suri, &addr,
&tp_type, &secure, NULL);
if (status != PJ_SUCCESS)
return status;
/* Enclose IPv6 address in square brackets */
if (tp_type & PJSIP_TRANSPORT_IPV6) {
beginquote = "[";
endquote = "]";
} else {
beginquote = endquote = "";
}
/* Don't add transport parameter if it's UDP */
if (tp_type!=PJSIP_TRANSPORT_UDP && tp_type!=PJSIP_TRANSPORT_UDP6) {
pj_ansi_snprintf(transport_param, sizeof(transport_param),
";transport=%s",
pjsip_transport_get_type_name(tp_type));
} else {
transport_param[0] = '\0';
}
/* Create the contact header */
contact->ptr = (char*)pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
contact->slen = pj_ansi_snprintf(contact->ptr, PJSIP_MAX_URL_SIZE,
"%s%.*s%s<%s:%.*s%s%s%.*s%s:%d%s%.*s%s>%.*s",
(acc->display.slen?"\"" : ""),
(int)acc->display.slen,
acc->display.ptr,
(acc->display.slen?"\" " : ""),
((secure && acc->is_sips)? "sips" : "sip"),
(int)acc->user_part.slen,
acc->user_part.ptr,
(acc->user_part.slen?"@":""),
beginquote,
(int)addr.host.slen,
addr.host.ptr,
endquote,
addr.port,
transport_param,
(int)acc->cfg.contact_uri_params.slen,
acc->cfg.contact_uri_params.ptr,
(acc->cfg.use_rfc5626? ob: ""),
(int)acc->cfg.contact_params.slen,
acc->cfg.contact_params.ptr);
if (contact->slen < 1 || contact->slen >= (int)PJSIP_MAX_URL_SIZE)
return PJ_ETOOSMALL;
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjsua_acc_create_uas_contact( pj_pool_t *pool,
pj_str_t *contact,
pjsua_acc_id acc_id,
pjsip_rx_data *rdata )
{
/*
* Section 12.1.1, paragraph about using SIPS URI in Contact.
* If the request that initiated the dialog contained a SIPS URI
* in the Request-URI or in the top Record-Route header field value,
* if there was any, or the Contact header field if there was no
* Record-Route header field, the Contact header field in the response
* MUST be a SIPS URI.
*/
pjsua_acc *acc;
pjsip_sip_uri *sip_uri;
pj_status_t status;
pjsip_transport_type_e tp_type = PJSIP_TRANSPORT_UNSPECIFIED;
pj_str_t local_addr;
pjsip_tpselector tp_sel;
pjsip_tpmgr *tpmgr;
pjsip_tpmgr_fla2_param tfla2_prm;
unsigned flag;
int secure;
int local_port;
const char *beginquote, *endquote;
char transport_param[32];
PJ_ASSERT_RETURN(pjsua_acc_is_valid(acc_id), PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
/* If force_contact is configured, then use use it */
if (acc->cfg.force_contact.slen) {
*contact = acc->cfg.force_contact;
return PJ_SUCCESS;
}
/* If Record-Route is present, then URI is the top Record-Route. */
if (rdata->msg_info.record_route) {
sip_uri = (pjsip_sip_uri*)
pjsip_uri_get_uri(rdata->msg_info.record_route->name_addr.uri);
} else {
pjsip_hdr *pos = NULL;
pjsip_contact_hdr *h_contact;
pjsip_uri *uri = NULL;
/* Otherwise URI is Contact URI.
* Iterate the Contact URI until we find sip: or sips: scheme.
*/
do {
h_contact = (pjsip_contact_hdr*)
pjsip_msg_find_hdr(rdata->msg_info.msg, PJSIP_H_CONTACT,
pos);
if (h_contact) {
if (h_contact->uri)
uri = (pjsip_uri*) pjsip_uri_get_uri(h_contact->uri);
else
uri = NULL;
if (!uri || (!PJSIP_URI_SCHEME_IS_SIP(uri) &&
!PJSIP_URI_SCHEME_IS_SIPS(uri)))
{
pos = (pjsip_hdr*)h_contact->next;
if (pos == &rdata->msg_info.msg->hdr)
h_contact = NULL;
} else {
break;
}
}
} while (h_contact);
/* Or if Contact URI is not present, take the remote URI from
* the From URI.
*/
if (uri == NULL)
uri = (pjsip_uri*) pjsip_uri_get_uri(rdata->msg_info.from->uri);
/* Can only do sip/sips scheme at present. */
if (!PJSIP_URI_SCHEME_IS_SIP(uri) && !PJSIP_URI_SCHEME_IS_SIPS(uri))
return PJSIP_EINVALIDREQURI;
sip_uri = (pjsip_sip_uri*)pjsip_uri_get_uri(uri);
}
/* Get transport type of the URI */
if (sip_uri->transport_param.slen == 0) {
tp_type = PJSIP_TRANSPORT_UDP;
} else
tp_type = pjsip_transport_get_type_from_name(&sip_uri->transport_param);
/* If the URI uses sips scheme, make sure we use secure transport. */
if (PJSIP_URI_SCHEME_IS_SIPS(sip_uri)) {
unsigned tp_flag;
tp_flag = PJSIP_TRANSPORT_SECURE;
flag = pjsip_transport_get_flag_from_type(tp_type);
if ((flag & tp_flag) != tp_flag) {
tp_type = pjsip_transport_get_type_from_flag(tp_flag);
}
}
if (tp_type == PJSIP_TRANSPORT_UNSPECIFIED)
return PJSIP_EUNSUPTRANSPORT;
/* If destination URI specifies IPv6 or account is configured to use IPv6
* or the transport being used to receive data is an IPv6 transport,
* then set transport type to use IPv6 as well.
*/
if (pj_strchr(&sip_uri->host, ':') ||
pjsua_sip_acc_is_using_ipv6(acc_id) ||
(rdata->tp_info.transport->key.type & PJSIP_TRANSPORT_IPV6))
{
if (!PJ_HAS_IPV6 || acc->cfg.ipv6_sip_use == PJSUA_IPV6_DISABLED)
return PJSIP_EUNSUPTRANSPORT;
tp_type = (pjsip_transport_type_e)
(((int)tp_type) | PJSIP_TRANSPORT_IPV6);
}
flag = pjsip_transport_get_flag_from_type(tp_type);
secure = (flag & PJSIP_TRANSPORT_SECURE) != 0;
/* Init transport selector. */
pj_bzero(&tp_sel, sizeof(tp_sel));
if (pjsua_var.acc[acc_id].cfg.transport_id != PJSUA_INVALID_ID) {
pjsua_init_tpselector(acc_id, &tp_sel);
}
/* Get local address suitable to send request from */
pjsip_tpmgr_fla2_param_default(&tfla2_prm);
tfla2_prm.tp_type = tp_type;
tfla2_prm.tp_sel = &tp_sel;
tfla2_prm.dst_host = sip_uri->host;
tfla2_prm.local_if = ((!pjsua_sip_acc_is_using_stun(acc_id) &&
!pjsua_sip_acc_is_using_upnp(acc_id)) ||
(flag & PJSIP_TRANSPORT_RELIABLE));
tpmgr = pjsip_endpt_get_tpmgr(pjsua_var.endpt);
status = pjsip_tpmgr_find_local_addr2(tpmgr, pool, &tfla2_prm);
if (status != PJ_SUCCESS)
return status;
local_addr = tfla2_prm.ret_addr;
local_port = tfla2_prm.ret_port;
/* Enclose IPv6 address in square brackets */
if (tp_type & PJSIP_TRANSPORT_IPV6) {
beginquote = "[";
endquote = "]";
} else {
beginquote = endquote = "";
}
/* Don't add transport parameter if it's UDP */
if (tp_type!=PJSIP_TRANSPORT_UDP && tp_type!=PJSIP_TRANSPORT_UDP6) {
pj_ansi_snprintf(transport_param, sizeof(transport_param),
";transport=%s",
pjsip_transport_get_type_name(tp_type));
} else {
transport_param[0] = '\0';
}
/* Create the contact header */
contact->ptr = (char*) pj_pool_alloc(pool, PJSIP_MAX_URL_SIZE);
contact->slen = pj_ansi_snprintf(contact->ptr, PJSIP_MAX_URL_SIZE,
"%s%.*s%s<%s:%.*s%s%s%.*s%s:%d%s%.*s>%.*s",
(acc->display.slen?"\"" : ""),
(int)acc->display.slen,
acc->display.ptr,
(acc->display.slen?"\" " : ""),
((secure && acc->is_sips)? "sips" : "sip"),
(int)acc->user_part.slen,
acc->user_part.ptr,
(acc->user_part.slen?"@":""),
beginquote,
(int)local_addr.slen,
local_addr.ptr,
endquote,
local_port,
transport_param,
(int)acc->cfg.contact_uri_params.slen,
acc->cfg.contact_uri_params.ptr,
(int)acc->cfg.contact_params.slen,
acc->cfg.contact_params.ptr);
if (contact->slen < 1 || contact->slen >= (int)PJSIP_MAX_URL_SIZE)
return PJ_ETOOSMALL;
return PJ_SUCCESS;
}
PJ_DEF(pj_status_t) pjsua_acc_set_transport( pjsua_acc_id acc_id,
pjsua_transport_id tp_id)
{
pjsua_acc *acc;
PJ_ASSERT_RETURN(pjsua_acc_is_valid(acc_id), PJ_EINVAL);
acc = &pjsua_var.acc[acc_id];
PJ_ASSERT_RETURN(tp_id < (int)PJ_ARRAY_SIZE(pjsua_var.tpdata), PJ_EINVAL);
if (acc->cfg.transport_id == tp_id)
return PJ_SUCCESS;
acc->cfg.transport_id = tp_id;
if (acc->cfg.transport_id != PJSUA_INVALID_ID) {
acc->tp_type = pjsua_var.tpdata[acc->cfg.transport_id].type;
if (acc->regc) {
/* Update client registration's transport. */
pjsip_tpselector tp_sel;
pjsua_init_tpselector(acc_id, &tp_sel);
pjsip_regc_set_transport(acc->regc, &tp_sel);
}
} else {
acc->tp_type = PJSIP_TRANSPORT_UNSPECIFIED;
}
return PJ_SUCCESS;
}
/* Auto re-registration timeout callback */
static void auto_rereg_timer_cb(pj_timer_heap_t *th, pj_timer_entry *te)
{
pjsua_acc *acc;
pj_status_t status;
PJ_UNUSED_ARG(th);
acc = (pjsua_acc*) te->user_data;
pj_assert(acc);
PJSUA_LOCK();
/* Check if the reregistration timer is still valid, e.g: while waiting
* timeout timer application might have deleted the account or disabled
* the auto-reregistration.
*/
if (!acc->valid || !acc->auto_rereg.active ||
acc->cfg.reg_retry_interval == 0)
{
goto on_return;
}
/* Start re-registration */
acc->auto_rereg.attempt_cnt++;
/* Generate new contact as the current contact may use a disconnected
* transport. Only do this when outbound is not active and contact is not
* rewritten (where the contact address may really be used by server to
* contact the UA).
*/
if (acc->rfc5626_status != OUTBOUND_ACTIVE && !acc->contact_rewritten) {
pj_str_t tmp_contact;
pj_pool_t *pool;
pool = pjsua_pool_create("tmpregc", 512, 512);
status = pjsua_acc_create_uac_contact(pool, &tmp_contact, acc->index,
&acc->cfg.reg_uri);
if (status != PJ_SUCCESS) {
pjsua_perror(THIS_FILE,
"Unable to generate suitable Contact header"
" for re-registration", status);
pj_pool_release(pool);
schedule_reregistration(acc);
goto on_return;
}
if (pj_strcmp(&tmp_contact, &acc->contact)) {
if (acc->contact.slen < tmp_contact.slen) {
pj_strdup_with_null(acc->pool, &acc->contact, &tmp_contact);
} else {
pj_strncpy_with_null(&acc->contact, &tmp_contact,
PJSIP_MAX_URL_SIZE);
}
update_regc_contact(acc);
if (acc->regc)
pjsip_regc_update_contact(acc->regc, 1, &acc->reg_contact);
}
pj_pool_release(pool);
}
status = pjsua_acc_set_registration(acc->index, PJ_TRUE);
if (status != PJ_SUCCESS)
schedule_reregistration(acc);
on_return:
PJSUA_UNLOCK();
}
/* Schedule reregistration for specified account. Note that the first
* re-registration after a registration failure will be done immediately.
* Also note that this function should be called within PJSUA mutex.
*/
static void schedule_reregistration(pjsua_acc *acc)
{
pj_time_val delay;
pj_assert(acc);
/* Validate the account and re-registration feature status */
if (!acc->valid || acc->cfg.reg_retry_interval == 0) {
return;
}
/* If configured, disconnect calls of this account after the first
* reregistration attempt failed.
*/
if (acc->cfg.drop_calls_on_reg_fail && acc->auto_rereg.attempt_cnt >= 1)
{
unsigned i, cnt;
for (i = 0, cnt = 0; i < pjsua_var.ua_cfg.max_calls; ++i) {
if (pjsua_var.calls[i].acc_id == acc->index) {
pjsua_call_hangup(i, 0, NULL, NULL);
++cnt;
}
}
if (cnt) {
PJ_LOG(3, (THIS_FILE, "Disconnecting %d call(s) of account #%d "
"after reregistration attempt failed",
cnt, acc->index));
}
}
/* Cancel any re-registration timer */
if (acc->auto_rereg.timer.id) {
acc->auto_rereg.timer.id = PJ_FALSE;
pjsua_cancel_timer(&acc->auto_rereg.timer);
}
/* Update re-registration flag */
acc->auto_rereg.active = PJ_TRUE;
/* Set up timer for reregistration */
acc->auto_rereg.timer.cb = &auto_rereg_timer_cb;
acc->auto_rereg.timer.user_data = acc;
/* Reregistration attempt. The first attempt will be done immediately. */
delay.sec = acc->auto_rereg.attempt_cnt? acc->cfg.reg_retry_interval :
acc->cfg.reg_first_retry_interval;
delay.msec = 0;
/* Randomize interval by +/- reg_retry_random_interval, if configured */
if (acc->cfg.reg_retry_random_interval) {
long rand_ms = acc->cfg.reg_retry_random_interval * 1000;
if (delay.sec >= (long)acc->cfg.reg_retry_random_interval) {
delay.msec = -rand_ms + (pj_rand() % (rand_ms * 2));
} else {
delay.sec = 0;
delay.msec = (pj_rand() % (delay.sec * 1000 + rand_ms));
}
}
pj_time_val_normalize(&delay);
PJ_LOG(4,(THIS_FILE,
"Scheduling re-registration retry for acc %d in %lu seconds..",
acc->index, delay.sec));
acc->auto_rereg.timer.id = PJ_TRUE;
if (pjsua_schedule_timer(&acc->auto_rereg.timer, &delay) != PJ_SUCCESS)
acc->auto_rereg.timer.id = PJ_FALSE;
}
/* Internal function to perform auto-reregistration on transport
* connection/disconnection events.
*/
void pjsua_acc_on_tp_state_changed(pjsip_transport *tp,
pjsip_transport_state state,
const pjsip_transport_state_info *info)
{
unsigned i;
PJ_UNUSED_ARG(info);
/* Only care for transport disconnection events */
if (state != PJSIP_TP_STATE_DISCONNECTED)
return;
PJ_LOG(4,(THIS_FILE, "Disconnected notification for transport %s",
tp->obj_name));
pj_log_push_indent();
/* Shutdown this transport, to make sure that the transport manager
* will create a new transport for reconnection.
*/
pjsip_transport_shutdown(tp);
PJSUA_LOCK();
/* Enumerate accounts using this transport and perform actions
* based on the transport state.
*/
for (i = 0; i < PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
pjsua_acc *acc = &pjsua_var.acc[i];
/* Skip if this account is not valid. */
if (!acc->valid)
continue;
/* Reset Account's via transport and via address */
if (acc->via_tp == (void*)tp) {
pj_bzero(&acc->via_addr, sizeof(acc->via_addr));
acc->via_tp = NULL;
/* Also reset regc's Via addr */
if (acc->regc)
pjsip_regc_set_via_sent_by(acc->regc, NULL, NULL);
}
/* Release transport immediately if regc is using it
* See https://github.com/pjsip/pjproject/issues/1481
*/
if (acc->regc) {
pjsip_regc_info reg_info;
pjsip_regc_get_info(acc->regc, &reg_info);
if (reg_info.transport != tp)
continue;
pjsip_regc_release_transport(pjsua_var.acc[i].regc);
if (pjsua_var.acc[i].ip_change_op ==
PJSUA_IP_CHANGE_OP_ACC_SHUTDOWN_TP)
{
/* Before progressing to next step, report here. */
if (pjsua_var.ua_cfg.cb.on_ip_change_progress) {
pjsua_ip_change_op_info ch_info;
pj_bzero(&ch_info, sizeof(ch_info));
ch_info.acc_shutdown_tp.acc_id = acc->index;
pjsua_var.ua_cfg.cb.on_ip_change_progress(
acc->ip_change_op,
PJ_SUCCESS,
&ch_info);
}
if (acc->cfg.allow_contact_rewrite) {
pjsua_acc_update_contact_on_ip_change(acc);
} else {
pjsua_acc_handle_call_on_ip_change(acc);
}
} else if (acc->cfg.reg_retry_interval) {
/* Schedule reregistration for this account */
schedule_reregistration(acc);
}
}
}
PJSUA_UNLOCK();
pj_log_pop_indent();
}
/*
* Internal function to update contact on ip change process.
*/
pj_status_t pjsua_acc_update_contact_on_ip_change(pjsua_acc *acc)
{
pj_status_t status;
pj_bool_t need_unreg = ((acc->cfg.contact_rewrite_method &
PJSUA_CONTACT_REWRITE_UNREGISTER) != 0);
pj_bool_t no_unreg = ((acc->cfg.contact_rewrite_method &
PJSUA_CONTACT_REWRITE_NO_UNREG) != 0);
acc->ip_change_op = PJSUA_IP_CHANGE_OP_ACC_UPDATE_CONTACT;
PJ_LOG(3, (THIS_FILE, "%.*s: send %sregistration triggered "
"by IP change", (int)acc->cfg.id.slen,
acc->cfg.id.ptr, (need_unreg ? "un-" : "")));
status = pjsua_acc_set_registration(acc->index, !need_unreg);
if ((status != PJ_SUCCESS)
&& (acc->ip_change_op == PJSUA_IP_CHANGE_OP_ACC_UPDATE_CONTACT))
{
if (status == PJSIP_EBUSY) {
PJ_LOG(4, (THIS_FILE, "%.*s: Retrying %sregistration triggered "
"by IP change", (int)acc->cfg.id.slen,
acc->cfg.id.ptr,
(need_unreg ? "un-" : "")));
/* Retry the (un)registration. */
if (acc->regc) {
pj_str_t old_reg_contact = acc->reg_contact;
status = PJ_SUCCESS;
destroy_regc(acc, PJ_TRUE);
update_keep_alive(acc, PJ_FALSE, NULL);
status = pjsua_regc_init(acc->index);
if (need_unreg || no_unreg)
pjsip_regc_update_contact(acc->regc, 1, &old_reg_contact);
if (no_unreg)
pjsip_regc_update_contact(acc->regc, 1, &acc->reg_contact);
if (status == PJ_SUCCESS) {
status = pjsua_acc_set_registration(acc->index, !need_unreg);
if (status == PJ_SUCCESS) {
return status;
}
}
}
}
if (pjsua_var.ua_cfg.cb.on_ip_change_progress) {
/* If update contact fails, notification might already been
* triggered from registration callback.
*/
pjsua_ip_change_op_info info;
pj_bzero(&info, sizeof(info));
info.acc_update_contact.acc_id = acc->index;
info.acc_update_contact.is_register = !need_unreg;
pjsua_var.ua_cfg.cb.on_ip_change_progress(acc->ip_change_op,
status,
&info);
}
pjsua_acc_end_ip_change(acc);
}
return status;
}
/*
* Internal function to handle call on ip change process.
*/
pj_status_t pjsua_acc_handle_call_on_ip_change(pjsua_acc *acc)
{
pj_status_t status = PJ_SUCCESS;
unsigned i = 0;
PJSUA_LOCK();
if (acc->cfg.ip_change_cfg.hangup_calls ||
acc->cfg.ip_change_cfg.reinvite_flags)
{
for (i = 0; i < pjsua_var.ua_cfg.max_calls; ++i) {
pjsua_call_info call_info;
if (!pjsua_call_is_active(i) ||
pjsua_var.calls[i].acc_id != acc->index ||
pjsua_call_get_info(i, &call_info) != PJ_SUCCESS)
{
continue;
}
if ((acc->cfg.ip_change_cfg.hangup_calls) &&
(call_info.state >= PJSIP_INV_STATE_EARLY))
{
acc->ip_change_op = PJSUA_IP_CHANGE_OP_ACC_HANGUP_CALLS;
PJ_LOG(3, (THIS_FILE, "call to %.*s: hangup "
"triggered by IP change",
(int)call_info.remote_info.slen,
call_info.remote_info.ptr));
status = pjsua_call_hangup(i, PJSIP_SC_GONE, NULL, NULL);
if (pjsua_var.ua_cfg.cb.on_ip_change_progress) {
pjsua_ip_change_op_info info;
pj_bzero(&info, sizeof(info));
info.acc_hangup_calls.acc_id = acc->index;
info.acc_hangup_calls.call_id = call_info.id;
pjsua_var.ua_cfg.cb.on_ip_change_progress(
acc->ip_change_op,
status,
&info);
}
}
else if (call_info.role==PJSIP_ROLE_UAC &&
call_info.state < PJSIP_INV_STATE_CONFIRMED)
{
/* Hangup not yet confirmed outgoing calls */
acc->ip_change_op = PJSUA_IP_CHANGE_OP_ACC_HANGUP_CALLS;
PJ_LOG(3, (THIS_FILE, "Unconfirmed outgoing call to %.*s: "
"hangup triggered by IP change",
(int)call_info.remote_info.slen,
call_info.remote_info.ptr));
status = pjsua_call_hangup(i, PJSIP_SC_GONE, NULL, NULL);
if (pjsua_var.ua_cfg.cb.on_ip_change_progress) {
pjsua_ip_change_op_info info;
pj_bzero(&info, sizeof(info));
info.acc_hangup_calls.acc_id = acc->index;
info.acc_hangup_calls.call_id = call_info.id;
pjsua_var.ua_cfg.cb.on_ip_change_progress(
acc->ip_change_op,
status,
&info);
}
} else if ((acc->cfg.ip_change_cfg.reinvite_flags) &&
(call_info.state == PJSIP_INV_STATE_CONFIRMED))
{
pj_bool_t use_update = acc->cfg.ip_change_cfg.reinv_use_update;
/* Check if remote support SIP UPDATE method */
if (use_update) {
pjsua_call *call;
pjsip_dialog *dlg = NULL;
PJ_LOG(5, (THIS_FILE, "Call #%d: IP change is configured "
"to using UPDATE", i));
status = acquire_call("handle_call_on_ip_change()",
i, &call, &dlg);
if (status != PJ_SUCCESS) {
use_update = PJ_FALSE;
PJ_PERROR(3,(THIS_FILE, status,
"Call #%d: IP change cannot "
"check if remote supports UPDATE due to "
"failure in acquiring dialog lock", i));
} else {
const pj_str_t ST_UPDATE = {"UPDATE", 6};
use_update = pjsip_dlg_remote_has_cap(
dlg, PJSIP_H_ALLOW, NULL,
&ST_UPDATE)
== PJSIP_DIALOG_CAP_SUPPORTED;
pjsip_dlg_dec_lock(dlg);
if (!use_update) {
PJ_LOG(3, (THIS_FILE, "Call #%d: IP change will "
"use re-INVITE because remote does "
"not support UPDATE", i));
}
}
}
acc->ip_change_op = PJSUA_IP_CHANGE_OP_ACC_REINVITE_CALLS;
pjsua_call_cleanup_flag(&call_info.setting);
call_info.setting.flag |=
acc->cfg.ip_change_cfg.reinvite_flags;
PJ_LOG(3, (THIS_FILE, "Call #%d to %.*s: send %s "
"with flags 0x%x triggered "
"by IP change (IP change flag: 0x%x)",
i,
(int)call_info.remote_info.slen,
call_info.remote_info.ptr,
(use_update? "UPDATE" : "re-INVITE"),
call_info.setting.flag,
acc->cfg.ip_change_cfg.reinvite_flags));
/* Refresh call using UPDATE */
if (use_update) {
status = pjsua_call_update(i, call_info.setting.flag,
NULL);
/* If this fails, retry using INVITE below */
if (status != PJ_SUCCESS) {
PJ_LOG(3, (THIS_FILE, "Call #%d: failed sending UPDATE"
" retrying using re-INVITE", i));
use_update = PJ_FALSE;
}
}
/* Refresh call using re-INVITE */
if (!use_update) {
status = pjsua_call_reinvite(i, call_info.setting.flag,
NULL);
}
if (pjsua_var.ua_cfg.cb.on_ip_change_progress) {
pjsua_ip_change_op_info info;
pj_bzero(&info, sizeof(info));
info.acc_reinvite_calls.acc_id = acc->index;
info.acc_reinvite_calls.call_id = call_info.id;
pjsua_var.ua_cfg.cb.on_ip_change_progress(
acc->ip_change_op,
status,
&info);
}
}
}
}
pjsua_acc_end_ip_change(acc);
PJSUA_UNLOCK();
return status;
}
void pjsua_acc_end_ip_change(pjsua_acc *acc)
{
int i = 0;
pj_bool_t all_done = PJ_TRUE;
PJSUA_LOCK();
if (acc && acc->ip_change_op < PJSUA_IP_CHANGE_OP_COMPLETED) {
PJ_LOG(3, (THIS_FILE, "IP address change handling for acc %d "
"completed", acc->index));
acc->ip_change_op = PJSUA_IP_CHANGE_OP_COMPLETED;
if (pjsua_var.acc_cnt) {
for (; i < (int)PJ_ARRAY_SIZE(pjsua_var.acc); ++i) {
if (pjsua_var.acc[i].valid &&
pjsua_var.acc[i].ip_change_op !=
PJSUA_IP_CHANGE_OP_COMPLETED)
{
all_done = PJ_FALSE;
break;
}
}
}
}
if (all_done && pjsua_var.ua_cfg.cb.on_ip_change_progress) {
PJ_LOG(3, (THIS_FILE, "IP address change handling completed"));
pjsua_var.ua_cfg.cb.on_ip_change_progress(
PJSUA_IP_CHANGE_OP_COMPLETED,
PJ_SUCCESS,
NULL);
}
PJSUA_UNLOCK();
}
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