/* * Copyright (C) 2021 Purism SPC * * This file is part of Calls. * * Calls 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. * * Calls 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 Calls. If not, see . * * Author: Evangelos Ribeiro Tzaras * * SPDX-License-Identifier: GPL-3.0-or-later * */ #define G_LOG_DOMAIN "CallsSipOrigin" #include "calls-account.h" #include "calls-credentials.h" #include "calls-message-source.h" #include "calls-origin.h" #include "calls-sip-call.h" #include "calls-sip-enums.h" #include "calls-sip-origin.h" #include "calls-sip-util.h" #include "calls-sip-media-manager.h" #include "config.h" #include "enum-types.h" #include #include #include #include #include #include #include /** * SECTION:sip-origin * @short_description: A #CallsOrigin for the SIP protocol * @Title: CallsSipOrigin * * #CallsSipOrigin implements the #CallsOriginInterface and is mainly * responsible for managing the sofia-sip callbacks, keeping track of #CallsSipCall * objects and coordinating with #CallsSipMediaManager. */ enum { PROP_0, PROP_ACC_CREDENTIALS, PROP_NAME, PROP_ACC_DIRECT, PROP_SIP_CONTEXT, PROP_SIP_LOCAL_PORT, PROP_ACC_STATE, PROP_CALLS, PROP_COUNTRY_CODE, PROP_LAST_PROP, }; static GParamSpec *props[PROP_LAST_PROP]; struct _CallsSipOrigin { GObject parent_instance; CallsSipContext *ctx; nua_t *nua; CallsSipHandles *oper; /* Direct connection mode is useful for debugging purposes */ gboolean use_direct_connection; /* Needed to handle shutdown correctly. See sip_callback and dispose method */ gboolean is_nua_shutdown; CallsAccountState state; CallsSipMediaManager *media_manager; /* Account information */ CallsCredentials *credentials; const gchar *protocol_prefix; gint local_port; GList *calls; GHashTable *call_handles; }; static void calls_sip_origin_message_source_interface_init (CallsOriginInterface *iface); static void calls_sip_origin_origin_interface_init (CallsOriginInterface *iface); static void calls_sip_origin_accounts_interface_init (CallsAccountInterface *iface); G_DEFINE_TYPE_WITH_CODE (CallsSipOrigin, calls_sip_origin, G_TYPE_OBJECT, G_IMPLEMENT_INTERFACE (CALLS_TYPE_MESSAGE_SOURCE, calls_sip_origin_message_source_interface_init) G_IMPLEMENT_INTERFACE (CALLS_TYPE_ORIGIN, calls_sip_origin_origin_interface_init) G_IMPLEMENT_INTERFACE (CALLS_TYPE_ACCOUNT, calls_sip_origin_accounts_interface_init)) static void remove_call (CallsSipOrigin *self, CallsCall *call, const gchar *reason) { CallsOrigin *origin; CallsSipCall *sip_call; gboolean inbound; nua_handle_t *nh; origin = CALLS_ORIGIN (self); sip_call = CALLS_SIP_CALL (call); self->calls = g_list_remove (self->calls, call); g_object_get (sip_call, "inbound", &inbound, "nua-handle", &nh, NULL); /* TODO support multiple simultaneous calls */ if (self->oper->call_handle == nh) self->oper->call_handle = NULL; g_signal_emit_by_name (origin, "call-removed", call, reason); g_object_unref (call); } static void remove_calls (CallsSipOrigin *self, const gchar *reason) { CallsCall *call; GList *next; while (self->calls != NULL) { call = self->calls->data; next = self->calls->next; calls_call_hang_up (call); g_list_free_1 (self->calls); self->calls = next; g_signal_emit_by_name (self, "call-removed", call, reason); g_object_unref (call); } g_hash_table_remove_all (self->call_handles); g_clear_pointer (&self->oper->call_handle, nua_handle_unref); } static void on_call_state_changed (CallsSipOrigin *self, CallsCallState new_state, CallsCallState old_state, CallsCall *call) { g_assert (CALLS_IS_SIP_ORIGIN (self)); g_assert (CALLS_IS_CALL (call)); if (new_state != CALLS_CALL_STATE_DISCONNECTED) { return; } remove_call (self, call, "Disconnected"); } static void add_call (CallsSipOrigin *self, const gchar *address, gboolean inbound, nua_handle_t *handle) { CallsSipCall *sip_call; CallsCall *call; g_autofree gchar *local_sdp = NULL; /* TODO get free port by creating GSocket and passing that to the pipeline */ guint local_port = get_port_for_rtp (); sip_call = calls_sip_call_new (address, inbound, handle); g_assert (sip_call != NULL); if (self->oper->call_handle) nua_handle_unref (self->oper->call_handle); self->oper->call_handle = handle; self->calls = g_list_append (self->calls, sip_call); g_hash_table_insert (self->call_handles, handle, sip_call); call = CALLS_CALL (sip_call); g_signal_emit_by_name (CALLS_ORIGIN (self), "call-added", call); g_signal_connect_swapped (call, "state-changed", G_CALLBACK (on_call_state_changed), self); if (!inbound) { calls_sip_call_setup_local_media_connection (sip_call, local_port, local_port + 1); local_sdp = calls_sip_media_manager_static_capabilities (self->media_manager, local_port, check_sips (address)); g_assert (local_sdp); g_debug ("Setting local SDP for outgoing call to %s:\n%s", address, local_sdp); /* TODO transform tel URI according to https://tools.ietf.org/html/rfc3261#section-19.1.6 */ /* TODO handle IPv4 vs IPv6 for nua_invite (SOATAG_TAG) */ nua_invite (self->oper->call_handle, SOATAG_AF (SOA_AF_IP4_IP6), SOATAG_USER_SDP_STR (local_sdp), SIPTAG_TO_STR (address), SOATAG_RTP_SORT (SOA_RTP_SORT_REMOTE), SOATAG_RTP_SELECT (SOA_RTP_SELECT_ALL), TAG_END ()); } } static void dial (CallsOrigin *origin, const gchar *address) { CallsSipOrigin *self; nua_handle_t *nh; g_autofree char *name = NULL; g_assert (CALLS_ORIGIN (origin)); g_assert (CALLS_IS_SIP_ORIGIN (origin)); name = calls_origin_get_name (origin); if (address == NULL) { g_warning ("Tried dialing on origin '%s' without an address", name); return; } self = CALLS_SIP_ORIGIN (origin); nh = nua_handle (self->nua, self->oper, NUTAG_MEDIA_ENABLE (1), SOATAG_ACTIVE_AUDIO (SOA_ACTIVE_SENDRECV), TAG_END ()); g_debug ("Calling `%s' from origin '%s'", address, name); add_call (CALLS_SIP_ORIGIN (origin), address, FALSE, nh); } static void create_inbound (CallsSipOrigin *self, const gchar *address, nua_handle_t *handle) { g_assert (CALLS_IS_SIP_ORIGIN (self)); g_assert (address != NULL); /* TODO support multiple calls */ if (self->oper->call_handle) nua_handle_unref (self->oper->call_handle); self->oper->call_handle = handle; add_call (self, address, TRUE, handle); } static void update_nua (CallsSipOrigin *self) { gboolean use_sips = FALSE; gboolean use_ipv6 = FALSE; /* TODO make configurable or use DNS to figure out if ipv6 is supported*/ gchar *ipv6_bind = "*"; gchar *ipv4_bind = "0.0.0.0"; g_autofree gchar *sip_url = NULL; g_autofree gchar *sips_url = NULL; g_autofree char *user = NULL; g_autofree char *host = NULL; g_autofree gchar *address = NULL; g_assert (CALLS_IS_SIP_ORIGIN (self)); g_assert (self->nua); g_object_get (self->credentials, "user", &user, "host", &host, NULL); if (user && host) { address = g_strconcat (self->protocol_prefix, ":", user, "@", host, NULL); use_sips = check_sips (address); use_ipv6 = check_ipv6 (host); } if (self->local_port > 0) { sip_url = g_strdup_printf ("sip:%s:%d", use_ipv6 ? ipv6_bind : ipv4_bind, self->local_port); sips_url = g_strdup_printf ("sips:%s:%d", use_ipv6 ? ipv6_bind : ipv4_bind, self->local_port); } else { sip_url = g_strdup_printf ("sip:%s:*", use_ipv6 ? ipv6_bind : ipv4_bind); sips_url = g_strdup_printf ("sips:%s:*", use_ipv6 ? ipv6_bind : ipv4_bind); } nua_set_params (self->nua, NUTAG_URL (sip_url), TAG_IF (use_sips, NUTAG_SIPS_URL (sips_url)), TAG_IF (address, SIPTAG_FROM_STR (address)), TAG_NULL ()); } static void update_credentials (CallsSipOrigin *self) { g_autofree char *protocol = NULL; g_assert (CALLS_IS_SIP_ORIGIN (self)); g_debug ("Updating credentials"); g_object_get (self->credentials, "protocol", &protocol, NULL); if (protocol == NULL) { g_debug ("Protocol not set, falling back to 'UDP'"); g_object_set (self->credentials, "protocol", "UDP", NULL); self->protocol_prefix = get_protocol_prefix ("UDP"); } else if (!protocol_is_valid (protocol)) { g_warning ("Tried setting invalid protocol: '%s'\n" "Falling back to default: '%s'", protocol, "UDP"); g_object_set (self->credentials, "protocol", "UDP", NULL); self->protocol_prefix = get_protocol_prefix ("UDP"); } else { self->protocol_prefix = get_protocol_prefix (protocol); } if (self->nua) update_nua (self); } static void sip_authenticate (CallsSipOrigin *self, nua_handle_t *nh, sip_t const *sip) { const gchar *scheme = NULL; const gchar *realm = NULL; g_autofree gchar *auth = NULL; g_autofree char *user = NULL; g_autofree char *password = NULL; sip_www_authenticate_t *www_auth = sip->sip_www_authenticate; sip_proxy_authenticate_t *proxy_auth = sip->sip_proxy_authenticate; if (www_auth) { scheme = www_auth->au_scheme; realm = msg_params_find (www_auth->au_params, "realm="); } else if (proxy_auth) { scheme = proxy_auth->au_scheme; realm = msg_params_find (proxy_auth->au_params, "realm="); } else { g_warning ("No authentication context found"); return; } g_debug ("need to authenticate to realm %s", realm); g_object_get (self->credentials, "user", &user, "password", &password, NULL); /* TODO handle authentication to different realms * https://source.puri.sm/Librem5/calls/-/issues/266 */ auth = g_strdup_printf ("%s:%s:%s:%s", scheme, realm, user, password); nua_authenticate (nh, NUTAG_AUTH (auth), TAG_END ()); } static void sip_r_invite (int status, char const *phrase, nua_t *nua, CallsSipOrigin *origin, nua_handle_t *nh, CallsSipHandles *op, sip_t const *sip, tagi_t tags[]) { g_debug ("response to outgoing INVITE: %03d %s", status, phrase); /* TODO call states (see i_state) */ if (status == 401 || status == 407) { sip_authenticate (origin, nh, sip); } else if (status == 403) { g_warning ("Response to outgoing INVITE: 403 wrong credentials?"); } else if (status == 904) { g_warning ("Response to outgoing INVITE: 904 unmatched challenge." "Possibly the challenge was already answered?"); } else if (status == 180) { } else if (status == 100) { } else if (status == 200) { } } static void sip_r_register (int status, char const *phrase, nua_t *nua, CallsSipOrigin *origin, nua_handle_t *nh, CallsSipHandles *op, sip_t const *sip, tagi_t tags[]) { g_debug ("response to REGISTER: %03d %s", status, phrase); if (status == 200) { g_debug ("REGISTER successful"); origin->state = CALLS_ACCOUNT_ONLINE; } else if (status == 401 || status == 407) { sip_authenticate (origin, nh, sip); origin->state = CALLS_ACCOUNT_AUTHENTICATING; } else if (status == 403) { g_warning ("wrong credentials?"); origin->state = CALLS_ACCOUNT_AUTHENTICATION_FAILURE; } else if (status == 904) { g_warning ("unmatched challenge"); origin->state = CALLS_ACCOUNT_AUTHENTICATION_FAILURE; } g_object_notify_by_pspec (G_OBJECT (origin), props[PROP_ACC_STATE]); } static void sip_r_unregister (int status, char const *phrase, nua_t *nua, CallsSipOrigin *origin, nua_handle_t *nh, CallsSipHandles *op, sip_t const *sip, tagi_t tags[]) { g_debug ("response to unregistering: %03d %s", status, phrase); if (status == 200) { g_debug ("Unregistering successful"); origin->state = CALLS_ACCOUNT_OFFLINE; } else { g_warning ("Unregisterung unsuccessful: %03d %s", status, phrase); origin->state = CALLS_ACCOUNT_UNKNOWN_ERROR; } g_object_notify_by_pspec (G_OBJECT (origin), props[PROP_ACC_STATE]); } static void sip_i_state (int status, char const *phrase, nua_t *nua, CallsSipOrigin *origin, nua_handle_t *nh, CallsSipHandles *op, sip_t const *sip, tagi_t tags[]) { const sdp_session_t *r_sdp = NULL; const sdp_session_t *l_sdp = NULL; gint call_state = nua_callstate_init; CallsCallState state; CallsSipCall *call; int offer_sent = 0; int offer_recv = 0; int answer_sent = 0; int answer_recv = 0; g_assert (CALLS_IS_SIP_ORIGIN (origin)); g_debug ("The call state has changed: %03d %s", status, phrase); call = g_hash_table_lookup (origin->call_handles, nh); if (call == NULL) { g_warning ("No call found for the current handle"); return; } tl_gets (tags, SOATAG_LOCAL_SDP_REF (l_sdp), SOATAG_REMOTE_SDP_REF (r_sdp), NUTAG_CALLSTATE_REF (call_state), NUTAG_OFFER_SENT_REF (offer_sent), NUTAG_OFFER_RECV_REF (offer_recv), NUTAG_ANSWER_SENT_REF (answer_sent), NUTAG_ANSWER_RECV_REF (answer_recv), TAG_END ()); if (status == 503) { CALLS_EMIT_MESSAGE (origin, "DNS error", GTK_MESSAGE_ERROR); } /* XXX making some assumptions about the received SDP message here... * namely: that there is only the session wide connection c= line * and no individual connections per media stream. * also: rtcp port = rtp port + 1 */ if (r_sdp) { GList *codecs = calls_sip_media_manager_get_codecs_from_sdp (origin->media_manager, r_sdp->sdp_media); calls_sip_call_set_codecs (call, codecs); calls_sip_call_setup_remote_media_connection (call, r_sdp->sdp_connection->c_address, r_sdp->sdp_media->m_port, r_sdp->sdp_media->m_port + 1); } switch (call_state) { case nua_callstate_init: return; case nua_callstate_calling: state = CALLS_CALL_STATE_DIALING; break; case nua_callstate_received: state = CALLS_CALL_STATE_INCOMING; g_debug ("Call incoming"); break; case nua_callstate_ready: g_debug ("Call ready. Activating media pipeline"); calls_sip_call_activate_media (call, TRUE); state = CALLS_CALL_STATE_ACTIVE; break; case nua_callstate_terminated: g_debug ("Call terminated. Deactivating media pipeline"); calls_sip_call_activate_media (call, FALSE); state = CALLS_CALL_STATE_DISCONNECTED; g_hash_table_remove (origin->call_handles, nh); break; default: return; } calls_sip_call_set_state (call, state); } static void sip_callback (nua_event_t event, int status, char const *phrase, nua_t *nua, nua_magic_t *magic, nua_handle_t *nh, nua_hmagic_t *hmagic, sip_t const *sip, tagi_t tags[]) { CallsSipOrigin *origin = CALLS_SIP_ORIGIN (magic); CallsSipHandles *op = origin->oper; g_autofree gchar * from = NULL; switch (event) { case nua_i_invite: if (sip->sip_from && sip->sip_from->a_url && sip->sip_from->a_url->url_scheme && sip->sip_from->a_url->url_user && sip->sip_from->a_url->url_host) from = g_strconcat (sip->sip_from->a_url->url_scheme, ":", sip->sip_from->a_url->url_user, "@", sip->sip_from->a_url->url_host, NULL); else { nua_respond (nh, 400, NULL, TAG_END ()); g_warning ("invalid incoming INVITE request"); break; } g_debug ("incoming call INVITE: %03d %s from %s", status, phrase, from); /* reject if there already is a ongoing call */ if (op->call_handle) { nua_respond (nh, 486, NULL, TAG_END ()); g_debug ("Cannot handle more than one call. Rejecting"); } else create_inbound (origin, from, nh); break; case nua_r_invite: sip_r_invite (status, phrase, nua, origin, nh, op, sip, tags); break; case nua_i_ack: g_debug ("incoming ACK: %03d %s", status, phrase); break; case nua_i_bye: g_debug ("incoming BYE: %03d %s", status, phrase); break; case nua_r_bye: g_debug ("response to BYE: %03d %s", status, phrase); if (status == 200) { CallsSipCall *call = CALLS_SIP_CALL (g_hash_table_lookup (origin->call_handles, nh)); if (call == NULL) { g_warning ("BYE response from an unknown call"); return; } } break; case nua_r_register: sip_r_register (status, phrase, nua, origin, nh, op, sip, tags); break; case nua_r_unregister: sip_r_unregister (status, phrase, nua, origin, nh, op, sip, tags); break; case nua_r_set_params: g_debug ("response to set_params: %03d %s", status, phrase); break; case nua_i_outbound: g_debug ("status of outbound engine has changed: %03d %s", status, phrase); if (status == 404) { CALLS_EMIT_MESSAGE (origin, "contact not found", GTK_MESSAGE_ERROR); g_warning ("outbound engine changed state to %03d %s", status, phrase); } break; case nua_i_state: sip_i_state (status, phrase, nua, origin, nh, op, sip, tags); break; case nua_r_cancel: g_debug ("response to CANCEL: %03d %s", status, phrase); break; case nua_r_terminate: break; case nua_r_shutdown: /* see also deinit_sip () */ g_debug ("response to nua_shutdown: %03d %s", status, phrase); if (status == 200) origin->is_nua_shutdown = TRUE; break; /* Deprecated events */ case nua_i_active: break; case nua_i_terminated: break; default: /* unknown event -> print out error message */ g_warning ("unknown event %d: %03d %s", event, status, phrase); g_warning ("printing tags"); tl_print(stdout, "", tags); break; } } static nua_t * setup_nua (CallsSipOrigin *self) { g_autofree gchar *address = NULL; nua_t *nua; gboolean use_sips = FALSE; gboolean use_ipv6 = FALSE; /* TODO make configurable or use DNS to figure out if ipv6 is supported*/ gchar *ipv6_bind = "*"; gchar *ipv4_bind = "0.0.0.0"; g_autofree gchar *sip_url = NULL; g_autofree gchar *sips_url = NULL; const gchar *uuid = NULL; g_autofree gchar* urn_uuid = NULL; g_autofree char *user = NULL; g_autofree char *host = NULL; uuid = nua_generate_instance_identifier (self->ctx->home); urn_uuid = g_strdup_printf ("urn:uuid:%s", uuid); g_object_get (self->credentials, "user", &user, "host", &host, NULL); if (user && host) { address = g_strconcat (self->protocol_prefix, ":", user, "@", host, NULL); use_sips = check_sips (address); use_ipv6 = check_ipv6 (host); } if (self->local_port > 0) { sip_url = g_strdup_printf ("sip:%s:%d", use_ipv6 ? ipv6_bind : ipv4_bind, self->local_port); sips_url = g_strdup_printf ("sips:%s:%d", use_ipv6 ? ipv6_bind : ipv4_bind, self->local_port); } else { sip_url = g_strdup_printf ("sip:%s:*", use_ipv6 ? ipv6_bind : ipv4_bind); sips_url = g_strdup_printf ("sips:%s:*", use_ipv6 ? ipv6_bind : ipv4_bind); } nua = nua_create (self->ctx->root, sip_callback, self, NUTAG_USER_AGENT (APP_DATA_NAME), NUTAG_URL (sip_url), TAG_IF (use_sips, NUTAG_SIPS_URL (sips_url)), TAG_IF (address, SIPTAG_FROM_STR (address)), NUTAG_ALLOW ("INVITE, ACK, BYE, CANCEL, OPTIONS, UPDATE"), NUTAG_SUPPORTED ("replaces, gruu, outbound"), NTATAG_MAX_FORWARDS (70), NUTAG_ENABLEINVITE (1), NUTAG_AUTOANSWER (0), NUTAG_AUTOACK (1), NUTAG_PATH_ENABLE (0), NUTAG_MEDIA_ENABLE (1), NUTAG_INSTANCE (urn_uuid), TAG_NULL ()); return nua; } static char * get_registrar_url (CallsSipOrigin *self) { char *registrar_url = NULL; g_autofree char *host = NULL; gint port; g_assert (CALLS_IS_SIP_ORIGIN (self)); g_object_get (self->credentials, "host", &host, "port", &port, NULL); if (port > 0 && port <= 65535) registrar_url = g_strdup_printf ("%s:%s:%d", self->protocol_prefix, host, port); else registrar_url = g_strconcat (self->protocol_prefix, ":", host, NULL); return registrar_url; } static CallsSipHandles * setup_sip_handles (CallsSipOrigin *self) { CallsSipHandles *oper; g_autofree gchar *registrar_url = NULL; g_assert (CALLS_IS_SIP_ORIGIN (self)); if (!(oper = su_zalloc (self->ctx->home, sizeof(CallsSipHandles)))) { g_warning ("cannot create handle"); return NULL; } oper->context = self->ctx; oper->register_handle = nua_handle (self->nua, self->oper, SIPTAG_EXPIRES_STR ("180"), NUTAG_SUPPORTED ("replaces, outbound, gruu"), NUTAG_OUTBOUND ("outbound natify gruuize validate"), // <- janus uses "no-validate" NUTAG_M_PARAMS ("user=phone"), NUTAG_CALLEE_CAPS (1), /* header parameters based on SDP capabilities and Allow header */ TAG_END ()); oper->call_handle = NULL; return oper; } static void go_online (CallsAccount *account, gboolean online) { CallsSipOrigin *self; g_assert (CALLS_IS_ACCOUNT (account)); g_assert (CALLS_IS_ORIGIN (account)); g_assert (CALLS_IS_SIP_ORIGIN (account)); self = CALLS_SIP_ORIGIN (account); if (online) { g_autofree char *user = NULL; g_autofree char *display_name = NULL; g_autofree char *registrar_url = NULL; if (self->state == CALLS_ACCOUNT_ONLINE) return; g_object_get (self->credentials, "user", &user, "display-name", &display_name, NULL); registrar_url = get_registrar_url (self); nua_register (self->oper->register_handle, NUTAG_M_USERNAME (user), TAG_IF (display_name, NUTAG_M_DISPLAY (display_name)), NUTAG_REGISTRAR (registrar_url), TAG_END ()); } else { if (self->state == CALLS_ACCOUNT_OFFLINE) return; nua_unregister (self->oper->register_handle, TAG_END ()); } } static void setup_account_for_direct_connection (CallsSipOrigin *self) { g_autofree char *user = NULL; g_assert (CALLS_IS_SIP_ORIGIN (self)); g_object_get (self->credentials, "user", &user, NULL); /* honour username, if previously set */ if (user == NULL) g_object_set (self->credentials, "user", g_get_user_name (), NULL); g_object_set (self->credentials, "host", g_get_host_name (), "password", NULL, "protocol", "UDP", NULL); self->protocol_prefix = get_protocol_prefix ("UDP"); g_debug ("Account changed:\nuser: %s\nhost URL: %s", user ?: g_get_user_name (), g_get_host_name ()); } static gboolean is_account_complete (CallsSipOrigin *self) { g_autofree char *host = NULL; g_autofree char *user = NULL; g_autofree char *password = NULL; g_autofree char *protocol = NULL; g_assert (CALLS_IS_SIP_ORIGIN (self)); g_object_get (self->credentials, "host", &host, "user", &user, "password", &password, "protocol", &protocol, NULL); /* we need only need to check for password if needing to authenticate over a proxy/UAS */ if (user == NULL || (!self->use_direct_connection && password == NULL) || host == NULL || protocol == NULL) return FALSE; return TRUE; } static gboolean init_sip_account (CallsSipOrigin *self, GError **error) { gboolean auto_connect = FALSE; if (self->use_direct_connection) { g_debug ("Direct connection case. Using user and hostname"); setup_account_for_direct_connection (self); } if (!is_account_complete (self)) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Must have completed account setup before calling" "init_sip_account ()" "Try again when account is setup"); self->state = CALLS_ACCOUNT_NO_CREDENTIALS; goto err; } // setup_nua() and setup_sip_handles() only after account data has been set self->nua = setup_nua (self); if (self->nua == NULL) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Failed setting up nua context"); self->state = CALLS_ACCOUNT_NULL; goto err; } self->oper = setup_sip_handles (self); if (self->oper == NULL) { g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED, "Failed setting operation handles"); self->state = CALLS_ACCOUNT_NULL; goto err; } /* In the case of a direct connection we're immediately good to go */ if (self->use_direct_connection) self->state = CALLS_ACCOUNT_ONLINE; else { self->state = CALLS_ACCOUNT_OFFLINE; g_object_get (self->credentials, "auto-connect", &auto_connect, NULL); /* try to go online */ if (auto_connect) go_online (CALLS_ACCOUNT (self), TRUE); } g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACC_STATE]); return TRUE; err: g_object_notify_by_pspec (G_OBJECT (self), props[PROP_ACC_STATE]); return FALSE; } static gboolean supports_protocol (CallsOrigin *origin, const char *protocol) { CallsSipOrigin *self; g_assert (protocol); g_assert (CALLS_IS_SIP_ORIGIN (origin)); self = CALLS_SIP_ORIGIN (origin); if (g_strcmp0 (protocol, "sip") == 0) return TRUE; if (g_strcmp0 (protocol, "sips") == 0) return g_strcmp0 (self->protocol_prefix, "sips") == 0; /* TODO need to set a property (from the UI) to allow using origin for telephony */ return FALSE; } static void calls_sip_origin_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { CallsSipOrigin *self = CALLS_SIP_ORIGIN (object); switch (property_id) { case PROP_ACC_CREDENTIALS: self->credentials = g_value_get_object (value); update_credentials (self); break; case PROP_ACC_DIRECT: self->use_direct_connection = g_value_get_boolean (value); break; case PROP_SIP_CONTEXT: self->ctx = g_value_get_pointer (value); break; case PROP_ACC_STATE: g_warning ("Setting the account state does not yet have any effect"); break; case PROP_SIP_LOCAL_PORT: if (g_value_get_int (value) > 0 && g_value_get_int (value) < 1025) { g_warning ("Tried setting a privileged port as the local port to bind to: %d\n" "Continue using old 'local-port' value: %d (using 0 let's the OS decide)", g_value_get_int (value), self->local_port); return; } self->local_port = g_value_get_int (value); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void calls_sip_origin_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { CallsSipOrigin *self = CALLS_SIP_ORIGIN (object); g_autofree char *name = NULL; switch (property_id) { case PROP_NAME: g_object_get (self->credentials, "name", &name, NULL); g_value_set_string (value, name); break; case PROP_CALLS: g_value_set_pointer (value, g_list_copy (self->calls)); break; case PROP_ACC_STATE: g_value_set_enum (value, self->state); break; case PROP_SIP_LOCAL_PORT: g_value_set_int (value, self->local_port); break; case PROP_COUNTRY_CODE: g_value_set_string (value, NULL); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); break; } } static void calls_sip_origin_constructed (GObject *object) { CallsSipOrigin *self = CALLS_SIP_ORIGIN (object); g_autoptr (GError) error = NULL; if (!init_sip_account (self, &error)) { g_warning ("Error initializing the SIP account: %s", error->message); } self->media_manager = calls_sip_media_manager_default (); g_signal_connect_swapped (self->credentials, "account-updated", (GCallback) update_credentials, self); G_OBJECT_CLASS (calls_sip_origin_parent_class)->constructed (object); } static void calls_sip_origin_dispose (GObject *object) { CallsSipOrigin *self = CALLS_SIP_ORIGIN (object); if (self->state == CALLS_ACCOUNT_NULL) return; remove_calls (self, NULL); if (!self->use_direct_connection && self->state == CALLS_ACCOUNT_ONLINE) go_online (CALLS_ACCOUNT (self), FALSE); if (self->nua) { g_debug ("Requesting nua_shutdown ()"); nua_shutdown (self->nua); // need to wait for nua_r_shutdown event before calling nua_destroy () while (!self->is_nua_shutdown) su_root_step (self->ctx->root, 100); g_debug ("nua_shutdown () complete. Destroying nua handle"); nua_destroy (self->nua); self->nua = NULL; } self->state = CALLS_ACCOUNT_NULL; G_OBJECT_CLASS (calls_sip_origin_parent_class)->dispose (object); } static void calls_sip_origin_finalize (GObject *object) { CallsSipOrigin *self = CALLS_SIP_ORIGIN (object); g_object_unref (self->credentials); g_hash_table_destroy (self->call_handles); G_OBJECT_CLASS (calls_sip_origin_parent_class)->finalize (object); } static void calls_sip_origin_class_init (CallsSipOriginClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); object_class->constructed = calls_sip_origin_constructed; object_class->dispose = calls_sip_origin_dispose; object_class->finalize = calls_sip_origin_finalize; object_class->get_property = calls_sip_origin_get_property; object_class->set_property = calls_sip_origin_set_property; props[PROP_ACC_DIRECT] = g_param_spec_boolean ("direct-connection", "Direct connection", "Whether to use a direct connection (no SIP server)", FALSE, G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY); g_object_class_install_property (object_class, PROP_ACC_DIRECT, props[PROP_ACC_DIRECT]); props[PROP_SIP_CONTEXT] = g_param_spec_pointer ("sip-context", "SIP context", "The SIP context (sofia) used for our sip handles", G_PARAM_WRITABLE | G_PARAM_CONSTRUCT_ONLY); g_object_class_install_property (object_class, PROP_SIP_CONTEXT, props[PROP_SIP_CONTEXT]); props[PROP_SIP_LOCAL_PORT] = g_param_spec_int ("local-port", "Local port", "The local port to which the SIP stack binds to", 0, 65535, 0, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY); g_object_class_install_property (object_class, PROP_SIP_LOCAL_PORT, props[PROP_SIP_LOCAL_PORT]); g_object_class_override_property (object_class, PROP_ACC_CREDENTIALS, "account-credentials"); props[PROP_ACC_CREDENTIALS] = g_object_class_find_property (object_class, "account-credentials"); g_object_class_override_property (object_class, PROP_ACC_STATE, "account-state"); props[PROP_ACC_STATE] = g_object_class_find_property (object_class, "account-state"); #define IMPLEMENTS(ID, NAME) \ g_object_class_override_property (object_class, ID, NAME); \ props[ID] = g_object_class_find_property(object_class, NAME); IMPLEMENTS (PROP_NAME, "name"); IMPLEMENTS (PROP_CALLS, "calls"); IMPLEMENTS (PROP_COUNTRY_CODE, "country-code"); #undef IMPLEMENTS } static void calls_sip_origin_message_source_interface_init (CallsOriginInterface *iface) { } static void calls_sip_origin_origin_interface_init (CallsOriginInterface *iface) { iface->dial = dial; iface->supports_protocol = supports_protocol; } static void calls_sip_origin_accounts_interface_init (CallsAccountInterface *iface) { iface->go_online = go_online; } static void calls_sip_origin_init (CallsSipOrigin *self) { self->call_handles = g_hash_table_new (NULL, NULL); } CallsSipOrigin * calls_sip_origin_new (CallsSipContext *sip_context, CallsCredentials *credentials, gint local_port, gboolean direct_connection) { g_return_val_if_fail (sip_context, NULL); g_return_val_if_fail (credentials, NULL); return g_object_new (CALLS_TYPE_SIP_ORIGIN, "sip-context", sip_context, "account-credentials", g_object_ref (credentials), "local-port", local_port, "direct-connection", direct_connection, NULL); }