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sipaccount.cpp 24.06 KiB
/*
* Copyright (C) 2004, 2005, 2006, 2009, 2008, 2009, 2010 Savoir-Faire Linux Inc.
*
* Author: Emmanuel Milou <emmanuel.milou@savoirfairelinux.com>
* Author: Pierre-Luc Bacon <pierre-luc.bacon@savoirfairelinux.com>
*
* 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 3 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Additional permission under GNU GPL version 3 section 7:
*
* If you modify this program, or any covered work, by linking or
* combining it with the OpenSSL project's OpenSSL library (or a
* modified version of that library), containing parts covered by the
* terms of the OpenSSL or SSLeay licenses, Savoir-Faire Linux Inc.
* grants you additional permission to convey the resulting work.
* Corresponding Source for a non-source form of such a combination
* shall include the source code for the parts of OpenSSL used as well
* as that of the covered work.
*/
#include "sipaccount.h"
#include "manager.h"
#include "user_cfg.h"
#include <pwd.h>
SIPAccount::SIPAccount (const AccountID& accountID)
: Account (accountID, "sip")
, _routeSet("")
, _regc (NULL)
, _bRegister (false)
, _registrationExpire ("")
, _publishedSameasLocal (true)
, _publishedIpAddress ("")
, _localPort (atoi (DEFAULT_SIP_PORT))
, _publishedPort (atoi (DEFAULT_SIP_PORT))
, _tlsListenerPort (atoi (DEFAULT_SIP_TLS_PORT))
, _transportType (PJSIP_TRANSPORT_UNSPECIFIED)
, _transport (NULL)
, _resolveOnce (false)
, _credentialCount (0)
, _cred (NULL)
, _realm (DEFAULT_REALM)
, _authenticationUsername ("")
, _tlsSetting (NULL)
, _dtmfType(OVERRTP)
, _displayName ("")
, _tlsEnable(false)
, _tlsPortStr("")
, _tlsCaListFile("")
, _tlsCertificateFile("")
, _tlsPrivateKeyFile("")
, _tlsPassword("")
, _tlsMethod("")
, _tlsCiphers("")
, _tlsServerName("")
, _tlsVerifyServer(false)
, _tlsVerifyClient(false)
, _tlsRequireClientCertificate(false)
, _tlsNegotiationTimeoutSec("")
, _tlsNegotiationTimeoutMsec("")
, _stunServer("")
, _tlsEnabled(false)
, _stunEnabled(false)
, _routeset("")
// , _realm("")
, _authenticationUsename("")
, _tlsListenerPort("5061")
, _dtmfType("")
, _srtpEnabled(false)
, _srtpKeyExchange("")
, _srtpFallback(false)
, _zrtpDisplaySas(false)
, _zrtpDisplaySasOnce(false)
, _zrtpHelloHash(false)
, _zrtpNotSuppWarning(false)
{
// IP2IP settings must be loaded before singleton instanciation, cannot call it here...
// _link = SIPVoIPLink::instance ("");
/* Represents the number of SIP accounts connected the same link */
// dynamic_cast<SIPVoIPLink*> (_link)->incrementClients();
}
SIPAccount::~SIPAccount()
{
/* One SIP account less connected to the sip voiplink */
dynamic_cast<SIPVoIPLink*> (_link)->decrementClients();
/* Delete accounts-related information */
_regc = NULL;
free (_cred);
free (_tlsSetting);
}
void SIPAccount::serialize(Engine *engine) {
}
void SIPAccount::unserialize(Conf::MappingNode *map)
{
Conf::ScalarNode *val;
Conf::MappingNode *srtpMap;
Conf::MappingNode *tlsMap;
Conf::MappingNode *zrtpMap;
val = (Conf::ScalarNode *)(map->getValue(aliasKey));
_alias = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(typeKey));
_type = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(idKey));
_accountID = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(usernameKey));
_username = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(passwordKey));
_password = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(hostnameKey));
_hostname = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(accountEnableKey));
_enabled = val->getValue().compare("true") ? true : false;
// val = (Conf::ScalarNode *)(map->getValue(mailboxKey));
val = (Conf::ScalarNode *)(map->getValue(codecsKey));
// _codecOrder = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(expireKey));
_registrationExpire = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(interfaceKey));
_interface = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(portKey));
_localPort = atoi(val->getValue().data());
// val = (Conf::ScalarNode *)(map->getValue(mailboxKey));
val = (Conf::ScalarNode *)(map->getValue(publishAddrKey));
_publishedIpAddress = val->getValue();
val = (Conf::ScalarNode *)(map->getValue(publishPortKey));
_publishedPort = atoi(val->getValue().data());
val = (Conf::ScalarNode *)(map->getValue(sameasLocalKey));
_publishedSameasLocal = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(map->getValue(resolveOnceKey));
_resolveOnce = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(map->getValue(dtmfTypeKey));
// _dtmfType = atoi(val->getValue();
// stun enabled
// get srtp submap
srtpMap = (Conf::MappingNode *)(map->getValue(srtpKey));
val = (Conf::ScalarNode *)(srtpMap->getValue(srtpEnableKey));
_srtpEnabled = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(srtpMap->getValue(keyExchangeKey));
_srtpKeyExchange = val->getValue();
val = (Conf::ScalarNode *)(srtpMap->getValue(rtpFallbackKey));
_srtpFallback = val->getValue().compare("true") ? true : false;
// get zrtp submap
zrtpMap = (Conf::MappingNode *)(map->getValue(zrtpKey));
val = (Conf::ScalarNode *)(zrtpMap->getValue(displaySasKey));
_zrtpDisplaySas = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(zrtpMap->getValue(displaySasOnceKey));
_zrtpDisplaySasOnce = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(zrtpMap->getValue(helloHashEnabledKey));
_zrtpHelloHash = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(zrtpMap->getValue(notSuppWarningKey));
_zrtpNotSuppWarning = val->getValue().compare("true") ? true : false;
// get tls submap
tlsMap = (Conf::MappingNode *)(map->getValue(tlsKey));
val = (Conf::ScalarNode *)(tlsMap->getValue(tlsEnableKey));
_tlsEnable = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(tlsPortKey));
_tlsPortStr = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(certificateKey));
_tlsCertificateFile = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(calistKey));
_tlsCaListFile = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(ciphersKey));
_tlsCiphers = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(methodKey));
_tlsMethod = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(timeoutKey));
_tlsNegotiationTimeoutSec = val->getValue();
_tlsNegotiationTimeoutMsec = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(tlsPasswordKey));
_tlsPassword = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(privateKeyKey));
_tlsPrivateKeyFile = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(requireCertifKey));
_tlsRequireClientCertificate = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(tlsMap->getValue(serverKey));
_tlsServerName = val->getValue();
val = (Conf::ScalarNode *)(tlsMap->getValue(verifyClientKey));
_tlsVerifyServer = val->getValue().compare("true") ? true : false;
val = (Conf::ScalarNode *)(tlsMap->getValue(verifyServerKey));
_tlsVerifyClient = val->getValue().compare("true") ? true : false;
}
// void SIPAccount::setVoIPLink(VoIPLink *link) {
void SIPAccount::setVoIPLink() {
_link = SIPVoIPLink::instance ("");
dynamic_cast<SIPVoIPLink*> (_link)->incrementClients();
}
int SIPAccount::initCredential (void)
{
int credentialCount = 0;
credentialCount = Manager::instance().getConfigInt (_accountID, CONFIG_CREDENTIAL_NUMBER);
credentialCount += 1;
bool md5HashingEnabled = false;
int dataType = 0;
md5HashingEnabled = Manager::instance().getConfigBool (PREFERENCES, CONFIG_MD5HASH);
std::string digest;
// Create the credential array
pjsip_cred_info * cred_info = (pjsip_cred_info *) malloc (sizeof (pjsip_cred_info) * (credentialCount));
if (cred_info == NULL) {
_error ("SipAccount: Error: Failed to set cred_info for account %s", _accountID.c_str());
return !SUCCESS;
}
pj_bzero (cred_info, sizeof (pjsip_cred_info) *credentialCount);
// Use authentication username if provided
if (!_authenticationUsername.empty()) {
cred_info[0].username = pj_str (strdup (_authenticationUsername.c_str()));
} else {
cred_info[0].username = pj_str (strdup (_username.c_str()));
}
// Set password
cred_info[0].data = pj_str (strdup (_password.c_str()));
// Set realm for that credential. * by default.
cred_info[0].realm = pj_str (strdup (_realm.c_str()));
// We want to make sure that the password is really
// 32 characters long. Otherwise, pjsip will fail
// on an assertion.
if (md5HashingEnabled && _password.length() == 32) {
dataType = PJSIP_CRED_DATA_DIGEST;
_debug ("Setting digest ");
} else {
dataType = PJSIP_CRED_DATA_PLAIN_PASSWD;
}
// Set the datatype
cred_info[0].data_type = dataType;
// Set the secheme
cred_info[0].scheme = pj_str ( (char*) "digest");
int i;
for (i = 1; i < credentialCount; i++) {
std::string credentialIndex;
std::stringstream streamOut;
streamOut << i - 1;
credentialIndex = streamOut.str();
std::string section = std::string ("Credential") + std::string (":") + _accountID + std::string (":") + credentialIndex;
std::string username = Manager::instance().getConfigString (section, USERNAME);
std::string password = Manager::instance().getConfigString (section, PASSWORD);
std::string realm = Manager::instance().getConfigString (section, REALM);
cred_info[i].username = pj_str (strdup (username.c_str()));
cred_info[i].data = pj_str (strdup (password.c_str()));
cred_info[i].realm = pj_str (strdup (realm.c_str()));
// We want to make sure that the password is really
// 32 characters long. Otherwise, pjsip will fail
// on an assertion.
if (md5HashingEnabled && _password.length() == 32) {
dataType = PJSIP_CRED_DATA_DIGEST;
_debug ("Setting digest ");
} else {
dataType = PJSIP_CRED_DATA_PLAIN_PASSWD;
}
cred_info[i].data_type = dataType;
cred_info[i].scheme = pj_str ( (char*) "digest");
_debug ("Setting credential %d realm = %s passwd = %s username = %s data_type = %d", i, realm.c_str(), password.c_str(), username.c_str(), cred_info[i].data_type);
}
_credentialCount = credentialCount;
_cred = cred_info;
return SUCCESS;
}
int SIPAccount::registerVoIPLink()
{
_debug ("Account: Register account %s", getAccountID().c_str());
// Init general settings
// loadConfig();
if (_hostname.length() >= PJ_MAX_HOSTNAME) {
return !SUCCESS;
}
// Init set of additional credentials, if supplied by the user
initCredential();
// Init TLS settings if the user wants to use TLS
bool tlsEnabled = Manager::instance().getConfigBool (_accountID, TLS_ENABLE);
if (tlsEnabled) {
_transportType = PJSIP_TRANSPORT_TLS;
initTlsConfiguration();
}
// Init STUN settings for this account if the user selected it
bool stunEnabled = Manager::instance().getConfigBool (_accountID, STUN_ENABLE);
if (stunEnabled) {
_transportType = PJSIP_TRANSPORT_START_OTHER;
initStunConfiguration ();
}
// In our definition of the
// ip2ip profile (aka Direct IP Calls),
// no registration should be performed
if (_accountID != IP2IP_PROFILE) {
int status = _link->sendRegister (_accountID);
ASSERT (status , SUCCESS);
}
return SUCCESS;
}
int SIPAccount::unregisterVoIPLink()
{
_debug ("Unregister account %s" , getAccountID().c_str());
if (_accountID == IP2IP_PROFILE) {
return true;
}
if (_link->sendUnregister (_accountID)) {
setRegistrationInfo (NULL);
return true;
} else
return false;
}
pjsip_ssl_method SIPAccount::sslMethodStringToPjEnum (const std::string& method)
{
if (method == "Default") {
return PJSIP_SSL_UNSPECIFIED_METHOD;
}
if (method == "TLSv1") {
return PJSIP_TLSV1_METHOD;
}
if (method == "SSLv2") {
return PJSIP_SSLV2_METHOD;
}
if (method == "SSLv3") {
return PJSIP_SSLV3_METHOD;
}
if (method == "SSLv23") {
return PJSIP_SSLV23_METHOD;
}
return PJSIP_SSL_UNSPECIFIED_METHOD;
}
void SIPAccount::initTlsConfiguration (void)
{
/*
* Initialize structure to zero
*/
if (_tlsSetting) {
free (_tlsSetting);
_tlsSetting = NULL;
}
// TLS listener is unique and should be only modified through IP2IP_PROFILE
std::string tlsPortStr = Manager::instance().getConfigString(_accountID, TLS_LISTENER_PORT);
setTlsListenerPort(atoi(tlsPortStr.c_str()));
_tlsSetting = (pjsip_tls_setting *) malloc (sizeof (pjsip_tls_setting));
assert (_tlsSetting);
pjsip_tls_setting_default (_tlsSetting);
std::string tlsCaListFile = Manager::instance().getConfigString (_accountID, TLS_CA_LIST_FILE);
std::string tlsCertificateFile = Manager::instance().getConfigString (_accountID, TLS_CERTIFICATE_FILE);
std::string tlsPrivateKeyFile = Manager::instance().getConfigString (_accountID, TLS_PRIVATE_KEY_FILE);
std::string tlsPassword = Manager::instance().getConfigString (_accountID, TLS_PASSWORD);
std::string tlsMethod = Manager::instance().getConfigString (_accountID, TLS_METHOD);
std::string tlsCiphers = Manager::instance().getConfigString (_accountID, TLS_CIPHERS);
std::string tlsServerName = Manager::instance().getConfigString (_accountID, TLS_SERVER_NAME);
bool tlsVerifyServer = Manager::instance().getConfigBool (_accountID, TLS_VERIFY_SERVER);
bool tlsVerifyClient = Manager::instance().getConfigBool (_accountID, TLS_VERIFY_CLIENT);
bool tlsRequireClientCertificate = Manager::instance().getConfigBool (_accountID, TLS_REQUIRE_CLIENT_CERTIFICATE);
std::string tlsNegotiationTimeoutSec = Manager::instance().getConfigString (_accountID, TLS_NEGOTIATION_TIMEOUT_SEC);
std::string tlsNegotiationTimeoutMsec = Manager::instance().getConfigString (_accountID, TLS_NEGOTIATION_TIMEOUT_MSEC);
pj_cstr (&_tlsSetting->ca_list_file, tlsCaListFile.c_str());
pj_cstr (&_tlsSetting->cert_file, tlsCertificateFile.c_str());
pj_cstr (&_tlsSetting->privkey_file, tlsPrivateKeyFile.c_str());
pj_cstr (&_tlsSetting->password, tlsPassword.c_str());
_tlsSetting->method = sslMethodStringToPjEnum (tlsMethod);
pj_cstr (&_tlsSetting->ciphers, tlsCiphers.c_str());
pj_cstr (&_tlsSetting->server_name, tlsServerName.c_str());
_tlsSetting->verify_server = (tlsVerifyServer == true) ? PJ_TRUE: PJ_FALSE;
_tlsSetting->verify_client = (tlsVerifyClient == true) ? PJ_TRUE: PJ_FALSE;
_tlsSetting->require_client_cert = (tlsRequireClientCertificate == true) ? PJ_TRUE: PJ_FALSE;
_tlsSetting->timeout.sec = atol (tlsNegotiationTimeoutSec.c_str());
_tlsSetting->timeout.msec = atol (tlsNegotiationTimeoutMsec.c_str());
}
void SIPAccount::initStunConfiguration (void)
{
size_t pos;
std::string stunServer, serverName, serverPort;
stunServer = Manager::instance().getConfigString (_accountID, STUN_SERVER);
// Init STUN socket
pos = stunServer.find (':');
if (pos == std::string::npos) {
_stunServerName = pj_str ( (char*) stunServer.data());
_stunPort = PJ_STUN_PORT;
//stun_status = pj_sockaddr_in_init (&stun_srv.ipv4, &stun_adr, (pj_uint16_t) 3478);
} else {
serverName = stunServer.substr (0, pos);
serverPort = stunServer.substr (pos + 1);
_stunPort = atoi (serverPort.data());
_stunServerName = pj_str ( (char*) serverName.data());
//stun_status = pj_sockaddr_in_init (&stun_srv.ipv4, &stun_adr, (pj_uint16_t) nPort);
}
}
void SIPAccount::loadConfig()
{
// Load primary credential
setUsername (Manager::instance().getConfigString (_accountID, USERNAME));
setRouteSet(Manager::instance().getConfigString(_accountID, ROUTESET));
setPassword (Manager::instance().getConfigString (_accountID, PASSWORD));
_authenticationUsername = Manager::instance().getConfigString (_accountID, AUTHENTICATION_USERNAME);
_realm = Manager::instance().getConfigString (_accountID, REALM);
_resolveOnce = Manager::instance().getConfigString (_accountID, CONFIG_ACCOUNT_RESOLVE_ONCE) == "1" ? true : false;
// Load general account settings
setHostname (Manager::instance().getConfigString (_accountID, HOSTNAME));
if (Manager::instance().getConfigString (_accountID, CONFIG_ACCOUNT_REGISTRATION_EXPIRE).empty()) {
_registrationExpire = DFT_EXPIRE_VALUE;
} else {
_registrationExpire = Manager::instance().getConfigString (_accountID, CONFIG_ACCOUNT_REGISTRATION_EXPIRE);
}
// Load network settings
// Local parameters
// Load local interface
setLocalInterface(Manager::instance().getConfigString (_accountID, LOCAL_INTERFACE));
std::string localPort = Manager::instance().getConfigString (_accountID, LOCAL_PORT);
setLocalPort (atoi (localPort.c_str()));
// Published parameters
setPublishedSameasLocal (Manager::instance().getConfigString (_accountID, PUBLISHED_SAMEAS_LOCAL) == TRUE_STR ? true : false);
std::string publishedPort = Manager::instance().getConfigString (_accountID, PUBLISHED_PORT);
setPublishedPort (atoi (publishedPort.c_str()));
setPublishedAddress (Manager::instance().getConfigString (_accountID, PUBLISHED_ADDRESS));
if(Manager::instance().getConfigString (_accountID, ACCOUNT_DTMF_TYPE) == OVERRTPSTR)
_dtmfType = OVERRTP;
else
_dtmfType = SIPINFO;
// Init TLS settings if the user wants to use TLS
bool tlsEnabled = Manager::instance().getConfigBool (_accountID, TLS_ENABLE);
if (tlsEnabled) {
initTlsConfiguration();
_transportType = PJSIP_TRANSPORT_TLS;
} else {
_transportType = PJSIP_TRANSPORT_UDP;
}
// Account generic
Account::loadConfig();
}
bool SIPAccount::fullMatch (const std::string& username, const std::string& hostname)
{
return (userMatch (username) && hostnameMatch (hostname));
}
bool SIPAccount::userMatch (const std::string& username)
{
if (username.empty()) {
return false;
}
return (username == getUsername());
}
bool SIPAccount::hostnameMatch (const std::string& hostname)
{
return (hostname == getHostname());
}
std::string SIPAccount::getMachineName (void)
{
std::string hostname;
hostname = std::string (pj_gethostname()->ptr, pj_gethostname()->slen);
return hostname;
}
std::string SIPAccount::getLoginName (void)
{
std::string username;
uid_t uid = getuid();
struct passwd * user_info = NULL;
user_info = getpwuid (uid);
if (user_info != NULL) {
username = user_info->pw_name;
}
return username;
}
std::string SIPAccount::getTransportMapKey(void)
{
std::stringstream out;
out << getLocalPort();
std::string localPort = out.str();
return localPort;
}
std::string SIPAccount::getFromUri (void)
{
char uri[PJSIP_MAX_URL_SIZE];
std::string scheme;
std::string transport;
std::string username = _username;
std::string hostname = _hostname;
// UDP does not require the transport specification
if (_transportType == PJSIP_TRANSPORT_TLS) {
scheme = "sips:";
transport = ";transport=" + std::string (pjsip_transport_get_type_name (_transportType));
} else {
scheme = "sip:";
transport = "";
}
// Get login name if username is not specified
if (_username.empty()) {
username = getLoginName();
}
// Get machine hostname if not provided
if (_hostname.empty()) {
hostname = getMachineName();
}
int len = pj_ansi_snprintf (uri, PJSIP_MAX_URL_SIZE,
"<%s%s@%s%s>",
scheme.c_str(),
username.c_str(),
hostname.c_str(),
transport.c_str());
return std::string (uri, len);
}
std::string SIPAccount::getToUri (const std::string& username)
{
char uri[PJSIP_MAX_URL_SIZE];
std::string scheme;
std::string transport;
std::string hostname = "";
// UDP does not require the transport specification
if (_transportType == PJSIP_TRANSPORT_TLS) {
scheme = "sips:";
transport = ";transport=" + std::string (pjsip_transport_get_type_name (_transportType));
} else {
scheme = "sip:";
transport = "";
}
// Check if scheme is already specified
if (username.find ("sip") == 0) {
scheme = "";
}
// Check if hostname is already specified
if (username.find ("@") == std::string::npos) {
// hostname not specified
hostname = _hostname;
}
int len = pj_ansi_snprintf (uri, PJSIP_MAX_URL_SIZE,
"<%s%s%s%s%s>",
scheme.c_str(),
username.c_str(),
(hostname.empty()) ? "" : "@",
hostname.c_str(),
transport.c_str());
return std::string (uri, len);
}
std::string SIPAccount::getServerUri (void)
{
char uri[PJSIP_MAX_URL_SIZE];
std::string scheme;
std::string transport;
std::string hostname = _hostname;
// UDP does not require the transport specification
if (_transportType == PJSIP_TRANSPORT_TLS) {
scheme = "sips:";
transport = ";transport=" + std::string (pjsip_transport_get_type_name (_transportType));
} else {
scheme = "sip:";
transport = "";
}
int len = pj_ansi_snprintf (uri, PJSIP_MAX_URL_SIZE,
"<%s%s%s>",
scheme.c_str(),
hostname.c_str(),
transport.c_str());
return std::string (uri, len);
}
std::string SIPAccount::getContactHeader (const std::string& address, const std::string& port)
{
char contact[PJSIP_MAX_URL_SIZE];
const char * beginquote, * endquote;
std::string scheme;
std::string transport;
// if IPV6, should be set to []
beginquote = endquote = "";
// UDP does not require the transport specification
if (_transportType == PJSIP_TRANSPORT_TLS) {
scheme = "sips:";
transport = ";transport=" + std::string (pjsip_transport_get_type_name (_transportType));
} else {
scheme = "sip:";
transport = "";
}
_displayName = Manager::instance().getConfigString (_accountID, DISPLAY_NAME);
_debug ("Display Name: %s", _displayName.c_str());
int len = pj_ansi_snprintf (contact, PJSIP_MAX_URL_SIZE,
"%s%s<%s%s%s%s%s%s:%d%s>",
_displayName.c_str(),
(_displayName.empty() ? "" : " "),
scheme.c_str(),
_username.c_str(),
(_username.empty() ? "":"@"),
beginquote,
address.c_str(),
endquote,
atoi (port.c_str()),
transport.c_str());
return std::string (contact, len);
}