/
sip-connection.c
1149 lines (982 loc) · 35 KB
/
sip-connection.c
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/*
* sip-connection.c - Source for RakiaConnection
* Copyright (C) 2005-2007 Collabora Ltd.
* Copyright (C) 2005-2009 Nokia Corporation
* @author Kai Vehmanen <first.surname@nokia.com>
* @author Martti Mela <first.surname@nokia.com>
* @author Mikhail Zabaluev <mikhail.zabaluev@nokia.com>
*
* Based on telepathy-gabble implementation (gabble-connection).
* @author See gabble-connection.c
*
* This work is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This work 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <telepathy-glib/telepathy-glib-dbus.h>
#include <rakia/event-target.h>
#include <rakia/handles.h>
#include <rakia/connection-aliasing.h>
#include <rakia/media-manager.h>
#include <rakia/text-manager.h>
#include <rakia/util.h>
#include "sip-connection.h"
#include "sip-connection-enumtypes.h"
#include "sip-connection-helpers.h"
#include "sip-connection-private.h"
#include <sofia-sip/msg_header.h>
#include <sofia-sip/tport_tag.h>
#define DEBUG_FLAG RAKIA_DEBUG_CONNECTION
#include "rakia/debug.h"
G_DEFINE_TYPE_WITH_CODE (RakiaConnection, rakia_connection,
RAKIA_TYPE_BASE_CONNECTION,
G_IMPLEMENT_INTERFACE(TP_TYPE_SVC_DBUS_PROPERTIES,
tp_dbus_properties_mixin_iface_init);
G_IMPLEMENT_INTERFACE (TP_TYPE_SVC_CONNECTION_INTERFACE_ALIASING,
rakia_connection_aliasing_svc_iface_init);
G_IMPLEMENT_INTERFACE (RAKIA_TYPE_CONNECTION_ALIASING, NULL);
);
/* properties */
enum
{
PROP_ADDRESS = 1, /**< public SIP address (SIP URI) */
PROP_AUTH_USER, /**< account username (if different from public address userinfo part) */
PROP_PASSWORD, /**< account password (for registration) */
PROP_ALIAS, /* Display name for self */
PROP_TRANSPORT, /**< outbound transport */
PROP_PROXY, /**< outbound SIP proxy (SIP URI) */
PROP_REGISTRAR, /**< SIP registrar (SIP URI) */
PROP_LOOSE_ROUTING, /**< enable loose routing behavior */
PROP_KEEPALIVE_MECHANISM, /**< keepalive mechanism as defined by RakiaConnectionKeepaliveMechanism */
PROP_KEEPALIVE_INTERVAL, /**< keepalive interval in seconds */
PROP_DISCOVER_BINDING, /**< enable discovery of public binding */
PROP_DISCOVER_STUN, /**< Discover STUN server name using DNS SRV lookup */
PROP_STUN_SERVER, /**< STUN server address (if not set, derived
from public SIP address */
PROP_STUN_PORT, /**< STUN port */
PROP_IMMUTABLE_STREAMS, /**< If the session content is immutable once set up */
PROP_LOCAL_IP_ADDRESS, /**< Local IP address (normally not needed, chosen by stack) */
PROP_LOCAL_PORT, /**< Local port for SIP (normally not needed, chosen by stack) */
PROP_EXTRA_AUTH_USER, /**< User name to use for extra authentication challenges */
PROP_EXTRA_AUTH_PASSWORD,/**< Password to use for extra authentication challenges */
PROP_IGNORE_TLS_ERRORS, /**< If true, TLS errors will be ignored */
PROP_SOFIA_NUA, /**< Base class accessing nua_t */
LAST_PROPERTY
};
static void
priv_value_set_url_as_string (GValue *value, const url_t *url)
{
if (url == NULL)
{
g_value_set_string (value, NULL);
}
else
{
su_home_t temphome[1] = { SU_HOME_INIT(temphome) };
char *tempstr;
tempstr = url_as_string (temphome, url);
g_value_set_string (value, tempstr);
su_home_deinit (temphome);
}
}
static url_t *
priv_url_from_string_value (su_home_t *home, const GValue *value)
{
const gchar *url_str;
g_assert (home != NULL);
url_str = g_value_get_string (value);
return (url_str)? url_make (home, url_str) : NULL;
}
static void
rakia_create_handle_repos (TpBaseConnection *conn,
TpHandleRepoIface *repos[TP_NUM_HANDLE_TYPES])
{
repos[TP_HANDLE_TYPE_CONTACT] =
(TpHandleRepoIface *)g_object_new (TP_TYPE_DYNAMIC_HANDLE_REPO,
"handle-type", TP_HANDLE_TYPE_CONTACT,
"normalize-function", rakia_handle_normalize,
"default-normalize-context", conn,
NULL);
}
static GPtrArray *
rakia_connection_create_channel_managers (TpBaseConnection *conn)
{
RakiaConnection *self = RAKIA_CONNECTION (conn);
RakiaConnectionPrivate *priv = RAKIA_CONNECTION_GET_PRIVATE (self);
GPtrArray *channel_managers = g_ptr_array_sized_new (2);
g_ptr_array_add (channel_managers,
g_object_new (RAKIA_TYPE_TEXT_MANAGER,
"connection", self, NULL));
priv->media_manager = g_object_new (RAKIA_TYPE_MEDIA_MANAGER,
"connection", self, NULL);
g_ptr_array_add (channel_managers, priv->media_manager);
priv->password_manager = tp_simple_password_manager_new (
conn);
g_ptr_array_add (channel_managers, priv->password_manager);
return channel_managers;
}
static void
rakia_connection_init (RakiaConnection *self)
{
RakiaConnectionPrivate *priv = RAKIA_CONNECTION_GET_PRIVATE (self);
priv->sofia_home = su_home_new(sizeof (su_home_t));
rakia_connection_aliasing_init (self);
}
static void
rakia_connection_set_property (GObject *object,
guint property_id,
const GValue *value,
GParamSpec *pspec)
{
RakiaConnection *self = (RakiaConnection*) object;
RakiaConnectionPrivate *priv = RAKIA_CONNECTION_GET_PRIVATE (self);
switch (property_id) {
case PROP_ADDRESS: {
/* just store the address, self_handle set in start_connecting */
priv->address = g_value_dup_string (value);
break;
}
case PROP_AUTH_USER: {
g_free(priv->auth_user);
priv->auth_user = g_value_dup_string (value);
break;
}
case PROP_PASSWORD: {
g_free(priv->password);
priv->password = g_value_dup_string (value);
break;
}
case PROP_ALIAS: {
g_free(priv->alias);
priv->alias = g_value_dup_string (value);
break;
}
case PROP_TRANSPORT: {
g_free(priv->transport);
priv->transport = g_value_dup_string (value);
break;
}
case PROP_PROXY: {
priv->proxy_url = priv_url_from_string_value (priv->sofia_home, value);
break;
}
case PROP_REGISTRAR: {
priv->registrar_url = priv_url_from_string_value (priv->sofia_home, value);
if (priv->sofia_nua)
nua_set_params(priv->sofia_nua,
NUTAG_REGISTRAR(priv->registrar_url),
TAG_END());
break;
}
case PROP_LOOSE_ROUTING: {
priv->loose_routing = g_value_get_boolean (value);
break;
}
case PROP_KEEPALIVE_MECHANISM: {
RakiaConnectionKeepaliveMechanism mech = g_value_get_enum (value);
if (priv->keepalive_interval_specified && priv->keepalive_interval == 0)
{
if (mech != RAKIA_CONNECTION_KEEPALIVE_NONE
&& mech != RAKIA_CONNECTION_KEEPALIVE_AUTO)
WARNING ("keep-alive mechanism selection is ignored when interval is 0");
}
else
{
priv->keepalive_mechanism = mech;
if (priv->sofia_nua != NULL)
{
rakia_conn_update_nua_outbound (self);
rakia_conn_update_nua_keepalive_interval (self);
}
}
break;
}
case PROP_KEEPALIVE_INTERVAL: {
priv->keepalive_interval = g_value_get_uint (value);
priv->keepalive_interval_specified = TRUE;
if (priv->keepalive_interval == 0)
{
priv->keepalive_mechanism = RAKIA_CONNECTION_KEEPALIVE_NONE;
if (priv->sofia_nua != NULL)
rakia_conn_update_nua_outbound (self);
}
if (priv->sofia_nua)
{
rakia_conn_update_nua_keepalive_interval(self);
}
break;
}
case PROP_DISCOVER_BINDING: {
priv->discover_binding = g_value_get_boolean (value);
if (priv->sofia_nua)
rakia_conn_update_nua_outbound (self);
break;
}
case PROP_DISCOVER_STUN:
priv->discover_stun = g_value_get_boolean (value);
break;
case PROP_STUN_PORT: {
priv->stun_port = g_value_get_uint (value);
break;
}
case PROP_STUN_SERVER: {
g_free (priv->stun_host);
priv->stun_host = g_value_dup_string (value);
break;
}
case PROP_IMMUTABLE_STREAMS:
priv->immutable_streams = g_value_get_boolean (value);
break;
case PROP_LOCAL_IP_ADDRESS: {
g_free (priv->local_ip_address);
priv->local_ip_address = g_value_dup_string (value);
break;
}
case PROP_LOCAL_PORT: {
priv->local_port = g_value_get_uint (value);
break;
}
case PROP_EXTRA_AUTH_USER: {
g_free((gpointer)priv->extra_auth_user);
priv->extra_auth_user = g_value_dup_string (value);
break;
}
case PROP_EXTRA_AUTH_PASSWORD: {
g_free((gpointer)priv->extra_auth_password);
priv->extra_auth_password = g_value_dup_string (value);
break;
}
case PROP_IGNORE_TLS_ERRORS:
priv->ignore_tls_errors = g_value_get_boolean (value);
break;
default:
/* We don't have any other property... */
G_OBJECT_WARN_INVALID_PROPERTY_ID(object,property_id,pspec);
break;
}
}
static void
rakia_connection_get_property (GObject *object,
guint property_id,
GValue *value,
GParamSpec *pspec)
{
RakiaConnection *self = (RakiaConnection *) object;
RakiaConnectionPrivate *priv = RAKIA_CONNECTION_GET_PRIVATE (self);
switch (property_id) {
case PROP_ADDRESS: {
g_value_set_string (value, priv->address);
break;
}
case PROP_AUTH_USER: {
g_value_set_string (value, priv->auth_user);
break;
}
case PROP_PASSWORD: {
g_value_set_string (value, priv->password);
break;
}
case PROP_ALIAS: {
g_value_set_string (value, priv->alias);
break;
}
case PROP_TRANSPORT: {
g_value_set_string (value, priv->transport);
break;
}
case PROP_PROXY: {
priv_value_set_url_as_string (value, priv->proxy_url);
break;
}
case PROP_REGISTRAR: {
priv_value_set_url_as_string (value, priv->registrar_url);
break;
}
case PROP_LOOSE_ROUTING: {
g_value_set_boolean (value, priv->loose_routing);
break;
}
case PROP_KEEPALIVE_MECHANISM: {
g_value_set_enum (value, priv->keepalive_mechanism);
break;
}
case PROP_KEEPALIVE_INTERVAL: {
/* FIXME: get the keepalive interval from NUA in case anything
* really retrieves this property */
g_value_set_uint (value, priv->keepalive_interval);
break;
}
case PROP_DISCOVER_BINDING: {
g_value_set_boolean (value, priv->discover_binding);
break;
}
case PROP_DISCOVER_STUN:
g_value_set_boolean (value, priv->discover_stun);
break;
case PROP_STUN_SERVER: {
g_value_set_string (value, priv->stun_host);
break;
}
case PROP_STUN_PORT: {
g_value_set_uint (value, priv->stun_port);
break;
}
case PROP_IMMUTABLE_STREAMS:
g_value_set_boolean (value, priv->immutable_streams);
break;
case PROP_LOCAL_IP_ADDRESS: {
g_value_set_string (value, priv->local_ip_address);
break;
}
case PROP_LOCAL_PORT: {
g_value_set_uint (value, priv->local_port);
break;
}
case PROP_IGNORE_TLS_ERRORS:
g_value_set_boolean (value, priv->ignore_tls_errors);
break;
case PROP_SOFIA_NUA: {
g_value_set_pointer (value, priv->sofia_nua);
break;
}
default:
/* We don't have any other property... */
G_OBJECT_WARN_INVALID_PROPERTY_ID(object,property_id,pspec);
break;
}
}
static void rakia_connection_dispose (GObject *object);
static void rakia_connection_finalize (GObject *object);
static gchar *
rakia_connection_unique_name (TpBaseConnection *base)
{
RakiaConnection *conn = RAKIA_CONNECTION (base);
RakiaConnectionPrivate *priv;
g_assert (RAKIA_IS_CONNECTION (conn));
priv = RAKIA_CONNECTION_GET_PRIVATE (conn);
return g_strdup (priv->address);
}
static void rakia_connection_disconnected (TpBaseConnection *base);
static void rakia_connection_shut_down (TpBaseConnection *base);
static gboolean rakia_connection_start_connecting (TpBaseConnection *base,
GError **error);
static const gchar *interfaces_always_present[] = {
TP_IFACE_CONNECTION_INTERFACE_REQUESTS,
TP_IFACE_CONNECTION_INTERFACE_CONTACTS,
TP_IFACE_CONNECTION_INTERFACE_ALIASING,
NULL };
const gchar **
rakia_connection_get_implemented_interfaces (void)
{
/* we don't have any conditionally-implemented interfaces */
return interfaces_always_present;
}
static GPtrArray *
get_interfaces_always_present (TpBaseConnection *base)
{
GPtrArray *arr;
const gchar **iter;
arr = TP_BASE_CONNECTION_CLASS (
rakia_connection_parent_class)->get_interfaces_always_present (base);
for (iter = interfaces_always_present; *iter != NULL; iter++)
g_ptr_array_add (arr, (gchar *) *iter);
return arr;
}
static nua_handle_t *rakia_connection_create_nua_handle (RakiaBaseConnection *,
TpHandle);
static void rakia_connection_add_auth_handler (RakiaBaseConnection *,
RakiaEventTarget *);
static void
rakia_connection_class_init (RakiaConnectionClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
TpBaseConnectionClass *base_class = TP_BASE_CONNECTION_CLASS (klass);
RakiaBaseConnectionClass *sip_class = RAKIA_BASE_CONNECTION_CLASS (klass);
GParamSpec *param_spec;
/* Implement pure-virtual methods */
sip_class->create_handle = rakia_connection_create_nua_handle;
sip_class->add_auth_handler = rakia_connection_add_auth_handler;
base_class->create_handle_repos = rakia_create_handle_repos;
base_class->get_unique_connection_name = rakia_connection_unique_name;
base_class->create_channel_managers =
rakia_connection_create_channel_managers;
base_class->disconnected = rakia_connection_disconnected;
base_class->start_connecting = rakia_connection_start_connecting;
base_class->shut_down = rakia_connection_shut_down;
base_class->get_interfaces_always_present = get_interfaces_always_present;
g_type_class_add_private (klass, sizeof (RakiaConnectionPrivate));
object_class->dispose = rakia_connection_dispose;
object_class->finalize = rakia_connection_finalize;
object_class->set_property = rakia_connection_set_property;
object_class->get_property = rakia_connection_get_property;
#define INST_PROP(x) \
g_object_class_install_property (object_class, x, param_spec)
g_object_class_override_property (object_class, PROP_SOFIA_NUA, "sofia-nua");
param_spec = g_param_spec_string ("address", "SIP address",
"SIP AoR URI",
NULL,
G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_ADDRESS);
param_spec = g_param_spec_string ("auth-user", "Auth username",
"Username to use when registering "
"(if different than userinfo part of public SIP address)",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_AUTH_USER);
param_spec = g_param_spec_string ("password", "SIP account password",
"Password for SIP registration",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_PASSWORD);
g_object_class_override_property (object_class, PROP_ALIAS, "alias");
param_spec = g_param_spec_string ("transport", "Transport protocol",
"Preferred transport protocol (auto, udp, tcp)",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_TRANSPORT);
param_spec = g_param_spec_string ("proxy", "Outbound proxy",
"SIP URI for outbound proxy",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_PROXY);
param_spec = g_param_spec_string ("registrar", "Registrar",
"SIP URI for registrar",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_REGISTRAR);
param_spec = g_param_spec_boolean ("loose-routing", "Loose routing",
"Enable loose routing as per RFC 3261",
FALSE, /*default value*/
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_LOOSE_ROUTING);
param_spec = g_param_spec_enum ("keepalive-mechanism", "Keepalive mechanism",
"Keepalive mechanism for SIP registration",
RAKIA_TYPE_CONNECTION_KEEPALIVE_MECHANISM,
RAKIA_CONNECTION_KEEPALIVE_AUTO, /*default value*/
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_KEEPALIVE_MECHANISM);
param_spec = g_param_spec_uint ("keepalive-interval", "Keepalive interval",
"Interval between keepalive probes in seconds "
"(0 = disabled, unset = use a default interval)",
0, G_MAXUINT32, 0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_KEEPALIVE_INTERVAL);
param_spec = g_param_spec_boolean ("discover-binding",
"Discover public contact",
"Enable discovery of public IP address beyond NAT",
TRUE, /*default value*/
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_DISCOVER_BINDING);
param_spec = g_param_spec_boolean ("discover-stun", "Discover STUN server",
"Enable discovery of STUN server host name using DNS SRV lookup",
TRUE, /*default value*/
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_DISCOVER_STUN);
param_spec = g_param_spec_string ("stun-server", "STUN server address",
"STUN server address (FQDN or IP address)",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_STUN_SERVER);
param_spec = g_param_spec_uint ("stun-port", "STUN port",
"STUN server port",
0, G_MAXUINT16,
RAKIA_DEFAULT_STUN_PORT, /*default value*/
G_PARAM_CONSTRUCT | G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_STUN_PORT);
param_spec = g_param_spec_boolean ("immutable-streams", "Immutable streams",
"Set if additional streams cannot be requested on a media channel,"
" nor existing streams can be removed",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_IMMUTABLE_STREAMS);
param_spec = g_param_spec_string ("local-ip-address", "Local IP address",
"Local IP address to use",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_LOCAL_IP_ADDRESS);
param_spec = g_param_spec_uint ("local-port", "Local port",
"Local port for SIP",
0, G_MAXUINT16,
0,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_LOCAL_PORT);
param_spec = g_param_spec_string ("extra-auth-user", "Extra auth username",
"Username to use for extra authentication challenges",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_EXTRA_AUTH_USER);
param_spec = g_param_spec_string ("extra-auth-password", "Extra auth password",
"Password to use for extra authentication challenges",
NULL,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_EXTRA_AUTH_PASSWORD);
param_spec = g_param_spec_boolean ("ignore-tls-errors", "Ignore TLS errors",
"If true, the TLS verification errors will be ignored",
FALSE,
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS);
INST_PROP(PROP_IGNORE_TLS_ERRORS);
#undef INST_PROP
tp_dbus_properties_mixin_class_init (object_class,
G_STRUCT_OFFSET (RakiaConnectionClass, properties_class));
}
typedef struct {
RakiaConnection* self;
nua_handle_t *nh;
gchar *method;
gchar *realm;
gchar *user;
} PrivHandleAuthData;
static PrivHandleAuthData *
priv_handle_auth_data_new (RakiaConnection* self,
nua_handle_t *nh,
const gchar *method,
const gchar *realm,
const gchar *user)
{
PrivHandleAuthData *data = g_slice_new (PrivHandleAuthData);
data->self = g_object_ref (self);
data->nh = nua_handle_ref (nh);
data->method = g_strdup (method);
data->realm = g_strdup (realm);
data->user = g_strdup (user);
return data;
}
static void
priv_handle_auth_data_free (PrivHandleAuthData *data)
{
g_object_unref (data->self);
nua_handle_unref (data->nh);
g_free (data->method);
g_free (data->realm);
g_free (data->user);
g_slice_free (PrivHandleAuthData, data);
}
static void priv_password_manager_prompt_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data);
static void priv_handle_auth_continue (RakiaConnection* self,
nua_handle_t *nh,
const gchar *method,
const gchar *realm,
const gchar *user,
const gchar *password);
static gboolean
priv_handle_auth (RakiaConnection* self,
int status,
nua_handle_t *nh,
const sip_t *sip,
gboolean home_realm)
{
RakiaConnectionPrivate *priv = RAKIA_CONNECTION_GET_PRIVATE (self);
sip_www_authenticate_t const *wa;
sip_proxy_authenticate_t const *pa;
const char *method = NULL;
const char *realm = NULL;
const char *user = NULL;
const char *password = NULL;
if (status != 401 && status != 407)
return FALSE;
DEBUG("response presents an authentication challenge");
g_return_val_if_fail (sip != NULL, FALSE);
wa = sip->sip_www_authenticate;
pa = sip->sip_proxy_authenticate;
/* step: figure out the realm of the challenge */
if (wa) {
realm = msg_header_find_param ((msg_common_t *) wa, "realm=");
method = wa->au_scheme;
}
else if (pa) {
realm = msg_header_find_param ((msg_common_t *) pa, "realm=");
method = pa->au_scheme;
}
if (realm == NULL)
{
WARNING ("no realm presented for authentication");
return FALSE;
}
if (method == NULL)
{
WARNING ("no method presented for authentication");
return FALSE;
}
/* step: determine which set of credentials to use */
if (home_realm)
{
/* Save the realm presented by the registrar */
if (priv->registrar_realm == NULL)
priv->registrar_realm = g_strdup (realm);
else if (wa && strcmp(priv->registrar_realm, realm) != 0)
{
MESSAGE ("registrar realm changed from %s to %s", priv->registrar_realm, realm);
g_free (priv->registrar_realm);
priv->registrar_realm = g_strdup (realm);
}
}
else if (priv->registrar_realm != NULL
&& strcmp(priv->registrar_realm, realm) == 0)
home_realm = TRUE;
if (home_realm)
{
/* use authentication username if provided */
user = priv->auth_user;
password = priv->password;
DEBUG("using the primary auth credentials");
}
else
{
if (priv->extra_auth_user)
user = priv->extra_auth_user;
else
/* fall back to the main username */
user = priv->auth_user;
password = priv->extra_auth_password;
if (password == NULL)
/* note that this prevents asking the user for a password */
password = "";
DEBUG("using the extra auth credentials");
}
if (user == NULL)
{
sip_from_t const *sipfrom = sip->sip_from;
if (sipfrom && sipfrom->a_url[0].url_user)
/* or use the userpart in "From" header */
user = sipfrom->a_url[0].url_user;
else
return FALSE;
}
if (password == NULL)
{
PrivHandleAuthData *data = NULL;
DEBUG("asking the user for a password.");
data = priv_handle_auth_data_new (self, nh, method, realm,
user);
tp_simple_password_manager_prompt_async (priv->password_manager,
priv_password_manager_prompt_cb, data);
/* Promise that we'll handle it eventually, even if we end up just
* handling it with a blank password. */
return TRUE;
}
priv_handle_auth_continue (self, nh, method, realm,
user, password);
return TRUE;
}
static void
priv_password_manager_prompt_cb (GObject *source_object,
GAsyncResult *result,
gpointer user_data)
{
PrivHandleAuthData *data = user_data;
GError *error = NULL;
const GString *password_string;
const gchar *password;
password_string = tp_simple_password_manager_prompt_finish (
TP_SIMPLE_PASSWORD_MANAGER (source_object), result, &error);
if (error != NULL)
{
/* we promised to handle the auth challenge in priv_handle_auth() by
* returning TRUE, so we need to handle it anyway, even if it means
* doing it with a blank password.
*/
DEBUG ("Auth channel failed: %s. Using blank password.", error->message);
password = "";
g_error_free (error);
}
else
{
RakiaConnectionPrivate *priv =
RAKIA_CONNECTION_GET_PRIVATE (data->self);
password = password_string->str;
/* also save it for later. */
g_free (priv->password);
priv->password = g_strdup (password);
}
priv_handle_auth_continue (data->self, data->nh, data->method, data->realm,
data->user, password);
priv_handle_auth_data_free (data);
}
static void
priv_handle_auth_continue (RakiaConnection* self,
nua_handle_t *nh,
const gchar *method,
const gchar *realm,
const gchar *user,
const gchar *password)
{
gchar *auth = NULL;
/* step: if all info is available, create an authorization response */
g_assert (realm != NULL);
g_assert (method != NULL);
g_assert (user != NULL);
g_assert (password != NULL);
if (realm[0] == '"')
auth = g_strdup_printf ("%s:%s:%s:%s",
method, realm, user, password);
else
auth = g_strdup_printf ("%s:\"%s\":%s:%s",
method, realm, user, password);
DEBUG ("%s-authenticating user='%s' realm=%s",
method, user, realm);
/* step: authenticate */
nua_authenticate(nh, NUTAG_AUTH(auth), TAG_END());
g_free (auth);
}
static gboolean
rakia_connection_auth_cb (RakiaEventTarget *target,
const RakiaNuaEvent *ev,
tagi_t tags[],
RakiaConnection *self)
{
return priv_handle_auth (self,
ev->status,
ev->nua_handle,
ev->sip,
FALSE);
}
static void
rakia_connection_add_auth_handler (RakiaBaseConnection *self,
RakiaEventTarget *target)
{
g_signal_connect_object (target,
"nua-event",
G_CALLBACK (rakia_connection_auth_cb),
self,
0);
}
static nua_handle_t *
rakia_connection_create_nua_handle (RakiaBaseConnection *base, TpHandle handle)
{
return rakia_conn_create_request_handle (RAKIA_CONNECTION (base), handle);
}
static gboolean
rakia_connection_nua_r_register_cb (RakiaConnection *self,
const RakiaNuaEvent *ev,
tagi_t tags[],
gpointer foo)
{
TpBaseConnection *base = (TpBaseConnection *) self;
TpConnectionStatus conn_status = TP_CONNECTION_STATUS_DISCONNECTED;
TpConnectionStatusReason reason = 0;
if (ev->status < 200)
return TRUE;
if (priv_handle_auth (self, ev->status, ev->nua_handle, ev->sip, TRUE))
return TRUE;
switch (ev->status)
{
case 401:
case 403:
case 407:
case 904: /* XXX: used by the stack to report auth loops */
DEBUG("REGISTER failed, possibly wrong credentials, disconnecting");
conn_status = TP_CONNECTION_STATUS_DISCONNECTED;
reason = TP_CONNECTION_STATUS_REASON_AUTHENTICATION_FAILED;
break;
default:
if (ev->status >= 300)
{
DEBUG("REGISTER failed, disconnecting");
conn_status = TP_CONNECTION_STATUS_DISCONNECTED;
reason = TP_CONNECTION_STATUS_REASON_NETWORK_ERROR;
}
else /* if (ev->status == 200) */
{
if (tp_base_connection_get_status (base) != TP_CONNECTION_STATUS_CONNECTING)
return TRUE;
DEBUG("successfully registered to the network");
conn_status = TP_CONNECTION_STATUS_CONNECTED;
reason = TP_CONNECTION_STATUS_REASON_REQUESTED;
rakia_conn_heartbeat_init (self);
}
}
tp_base_connection_change_status (base, conn_status, reason);
return TRUE;
}
static void
rakia_connection_shut_down (TpBaseConnection *base)
{
RakiaConnection *self = RAKIA_CONNECTION (base);
RakiaConnectionPrivate *priv;
DEBUG ("enter");
priv = RAKIA_CONNECTION_GET_PRIVATE (self);
/* We disposed of the REGISTER handle in the disconnected method */
g_assert (priv->register_op == NULL);
rakia_conn_heartbeat_shutdown (self);
if (priv->sofia_nua != NULL)
nua_shutdown (priv->sofia_nua);
priv->sofia_nua = NULL;
tp_base_connection_finish_shutdown (base);
}
void
rakia_connection_dispose (GObject *object)
{
RakiaConnection *self = RAKIA_CONNECTION (object);
TpBaseConnection *base = (TpBaseConnection *)self;
RakiaConnectionPrivate *priv = RAKIA_CONNECTION_GET_PRIVATE (self);
if (priv->dispose_has_run)
return;
priv->dispose_has_run = TRUE;
/* release any references held by the object here */
DEBUG("disposing of RakiaConnection %p", self);
/* the base class is responsible for unreffing the self handle when we
* disconnect */
g_assert (tp_base_connection_get_status (base) ==
TP_CONNECTION_STATUS_DISCONNECTED);
/* the base class owns channel factories/managers,
* here we just nullify the references */
priv->media_manager = NULL;
if (G_OBJECT_CLASS (rakia_connection_parent_class)->dispose)
G_OBJECT_CLASS (rakia_connection_parent_class)->dispose (object);
}
void
rakia_connection_finalize (GObject *obj)
{
RakiaConnection *self = RAKIA_CONNECTION (obj);
RakiaConnectionPrivate *priv = RAKIA_CONNECTION_GET_PRIVATE (self);
/* free any data held directly by the object here */
DEBUG("enter");
if (NULL != priv->sofia_resolver)
{
DEBUG("destroying sofia resolver");
sres_resolver_destroy (priv->sofia_resolver);
priv->sofia_resolver = NULL;
}
su_home_unref (priv->sofia_home);
g_free (priv->address);
g_free (priv->auth_user);
g_free (priv->password);
g_free (priv->alias);
g_free (priv->transport);
g_free (priv->stun_host);