/* linphone Copyright (C) 2010 Simon MORLAT (simon.morlat@free.fr) 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "sal/sal.h" #include "linphone/core.h" #include "private.h" #include "mediastreamer2/mediastream.h" #include "linphone/lpconfig.h" // stat #ifndef _WIN32 #include #include #include #endif static void register_failure(SalOp *op); static int media_parameters_changed(LinphoneCall *call, SalMediaDescription *oldmd, SalMediaDescription *newmd) { int result=0; int otherdesc_changed; char *tmp1=NULL; char *tmp2=NULL; if (call->params->in_conference != call->current_params->in_conference) return SAL_MEDIA_DESCRIPTION_FORCE_STREAM_RECONSTRUCTION; if (call->up_bw != linphone_core_get_upload_bandwidth(call->core)) return SAL_MEDIA_DESCRIPTION_FORCE_STREAM_RECONSTRUCTION; if (call->localdesc_changed) ms_message("Local description has changed: %s", tmp1 = sal_media_description_print_differences(call->localdesc_changed)); otherdesc_changed = sal_media_description_equals(oldmd, newmd); if (otherdesc_changed) ms_message("Other description has changed: %s", tmp2 = sal_media_description_print_differences(otherdesc_changed)); result = call->localdesc_changed | otherdesc_changed; if (tmp1) ms_free(tmp1); if (tmp2) ms_free(tmp2); return result; } void linphone_core_update_streams_destinations(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *old_md, SalMediaDescription *new_md) { SalStreamDescription *new_audiodesc = NULL; SalStreamDescription *new_videodesc = NULL; char *rtp_addr, *rtcp_addr; int i; for (i = 0; i < SAL_MEDIA_DESCRIPTION_MAX_STREAMS; i++) { if (!sal_stream_description_active(&new_md->streams[i])) continue; if (new_md->streams[i].type == SalAudio) { new_audiodesc = &new_md->streams[i]; } else if (new_md->streams[i].type == SalVideo) { new_videodesc = &new_md->streams[i]; } } if (call->audiostream && new_audiodesc) { rtp_addr = (new_audiodesc->rtp_addr[0] != '\0') ? new_audiodesc->rtp_addr : new_md->addr; rtcp_addr = (new_audiodesc->rtcp_addr[0] != '\0') ? new_audiodesc->rtcp_addr : new_md->addr; ms_message("Change audio stream destination: RTP=%s:%d RTCP=%s:%d", rtp_addr, new_audiodesc->rtp_port, rtcp_addr, new_audiodesc->rtcp_port); rtp_session_set_remote_addr_full(call->audiostream->ms.sessions.rtp_session, rtp_addr, new_audiodesc->rtp_port, rtcp_addr, new_audiodesc->rtcp_port); } #ifdef VIDEO_ENABLED if (call->videostream && new_videodesc) { rtp_addr = (new_videodesc->rtp_addr[0] != '\0') ? new_videodesc->rtp_addr : new_md->addr; rtcp_addr = (new_videodesc->rtcp_addr[0] != '\0') ? new_videodesc->rtcp_addr : new_md->addr; ms_message("Change video stream destination: RTP=%s:%d RTCP=%s:%d", rtp_addr, new_videodesc->rtp_port, rtcp_addr, new_videodesc->rtcp_port); rtp_session_set_remote_addr_full(call->videostream->ms.sessions.rtp_session, rtp_addr, new_videodesc->rtp_port, rtcp_addr, new_videodesc->rtcp_port); } #else (void)new_videodesc; #endif } static void _clear_early_media_destinations(LinphoneCall *call, MediaStream *ms){ RtpSession *session=ms->sessions.rtp_session; rtp_session_clear_aux_remote_addr(session); if (!call->ice_session) rtp_session_set_symmetric_rtp(session,linphone_core_symmetric_rtp_enabled(call->core));/*restore symmetric rtp if ICE is not used*/ } static void clear_early_media_destinations(LinphoneCall *call){ if (call->audiostream){ _clear_early_media_destinations(call,(MediaStream*)call->audiostream); } if (call->videostream){ _clear_early_media_destinations(call,(MediaStream*)call->videostream); } } static void prepare_early_media_forking(LinphoneCall *call){ /*we need to disable symmetric rtp otherwise our outgoing streams will be switching permanently between the multiple destinations*/ if (call->audiostream){ rtp_session_set_symmetric_rtp(call->audiostream->ms.sessions.rtp_session,FALSE); } if (call->videostream){ rtp_session_set_symmetric_rtp(call->videostream->ms.sessions.rtp_session,FALSE); } } void linphone_call_update_frozen_payloads(LinphoneCall *call, SalMediaDescription *result_desc){ SalMediaDescription *local=call->localdesc; int i; for(i=0;inb_streams;++i){ bctbx_list_t *elem; for (elem=result_desc->streams[i].payloads;elem!=NULL;elem=elem->next){ PayloadType *pt=(PayloadType*)elem->data; if (is_payload_type_number_available(local->streams[i].already_assigned_payloads, payload_type_get_number(pt), NULL)){ /*new codec, needs to be added to the list*/ local->streams[i].already_assigned_payloads=bctbx_list_append(local->streams[i].already_assigned_payloads, payload_type_clone(pt)); ms_message("LinphoneCall[%p] : payload type %i %s/%i fmtp=%s added to frozen list.", call, payload_type_get_number(pt), pt->mime_type, pt->clock_rate, pt->recv_fmtp ? pt->recv_fmtp : ""); } } } } void linphone_core_update_streams(LinphoneCore *lc, LinphoneCall *call, SalMediaDescription *new_md, LinphoneCallState target_state){ SalMediaDescription *oldmd=call->resultdesc; int md_changed=0; if (!((call->state == LinphoneCallIncomingEarlyMedia) && (linphone_core_get_ring_during_incoming_early_media(lc)))) { linphone_core_stop_ringing(lc); } if (!new_md) { ms_error("linphone_core_update_streams() called with null media description"); return; } linphone_call_update_biggest_desc(call, call->localdesc); sal_media_description_ref(new_md); call->resultdesc=new_md; if ((call->audiostream && call->audiostream->ms.state==MSStreamStarted) || (call->videostream && call->videostream->ms.state==MSStreamStarted)){ clear_early_media_destinations(call); /* we already started media: check if we really need to restart it*/ if (oldmd){ md_changed = media_parameters_changed(call, oldmd, new_md); if ((md_changed & ( SAL_MEDIA_DESCRIPTION_CODEC_CHANGED |SAL_MEDIA_DESCRIPTION_STREAMS_CHANGED |SAL_MEDIA_DESCRIPTION_NETWORK_XXXCAST_CHANGED |SAL_MEDIA_DESCRIPTION_ICE_RESTART_DETECTED |SAL_MEDIA_DESCRIPTION_FORCE_STREAM_RECONSTRUCTION ))){ ms_message("Media descriptions are different, need to restart the streams."); } else if ( call->playing_ringbacktone) { ms_message("Playing ringback tone, will restart the streams."); } else { if (md_changed == SAL_MEDIA_DESCRIPTION_UNCHANGED) { if (call->all_muted){ ms_message("Early media finished, unmuting inputs..."); /*we were in early media, now we want to enable real media */ call->all_muted = FALSE; if (call->audiostream) linphone_core_enable_mic(lc, linphone_core_mic_enabled(lc)); #ifdef VIDEO_ENABLED if (call->videostream && call->camera_enabled) linphone_call_enable_camera(call, linphone_call_camera_enabled(call)); #endif } /*FIXME ZRTP, might be restarted in any cases ? */ ms_message("No need to restart streams, SDP is unchanged."); goto end; }else { if (md_changed & SAL_MEDIA_DESCRIPTION_NETWORK_CHANGED) { ms_message("Network parameters have changed, update them."); linphone_core_update_streams_destinations(lc, call, oldmd, new_md); } if (md_changed & SAL_MEDIA_DESCRIPTION_CRYPTO_KEYS_CHANGED) { ms_message("Crypto parameters have changed, update them."); linphone_call_update_crypto_parameters(call, oldmd, new_md); } goto end; } } } linphone_call_stop_media_streams (call); if (md_changed & SAL_MEDIA_DESCRIPTION_NETWORK_XXXCAST_CHANGED){ ms_message("Media ip type has changed, destroying sessions context on call [%p]",call); ms_media_stream_sessions_uninit(&call->sessions[call->main_audio_stream_index]); ms_media_stream_sessions_uninit(&call->sessions[call->main_video_stream_index]); ms_media_stream_sessions_uninit(&call->sessions[call->main_text_stream_index]); } linphone_call_init_media_streams (call); } if (call->audiostream==NULL){ /*this happens after pausing the call locally. The streams are destroyed and then we wait the 200Ok to recreate them*/ linphone_call_init_media_streams (call); } if (call->params->real_early_media && call->state==LinphoneCallOutgoingEarlyMedia){ prepare_early_media_forking(call); } linphone_call_start_media_streams(call, target_state); if (call->state==LinphoneCallPausing && call->paused_by_app && bctbx_list_size(lc->calls)==1){ linphone_core_play_named_tone(lc,LinphoneToneCallOnHold); } linphone_call_update_frozen_payloads(call, new_md); end: if (oldmd) sal_media_description_unref(oldmd); } #if 0 static bool_t is_duplicate_call(LinphoneCore *lc, const LinphoneAddress *from, const LinphoneAddress *to){ bctbx_list_t *elem; for(elem=lc->calls;elem!=NULL;elem=elem->next){ LinphoneCall *call=(LinphoneCall*)elem->data; if (linphone_address_weak_equal(call->log->from,from) && linphone_address_weak_equal(call->log->to, to)){ return TRUE; } } return FALSE; } #endif static bool_t already_a_call_with_remote_address(const LinphoneCore *lc, const LinphoneAddress *remote) { bctbx_list_t *elem; ms_message("Searching for already_a_call_with_remote_address."); for(elem=lc->calls;elem!=NULL;elem=elem->next){ const LinphoneCall *call=(LinphoneCall*)elem->data; const LinphoneAddress *cRemote=linphone_call_get_remote_address(call); if (linphone_address_weak_equal(cRemote,remote)) { ms_warning("already_a_call_with_remote_address found."); return TRUE; } } return FALSE; } static LinphoneCall * look_for_broken_call_to_replace(SalOp *h, LinphoneCore *lc) { const bctbx_list_t *calls = linphone_core_get_calls(lc); const bctbx_list_t *it = calls; while (it != NULL) { LinphoneCall *replaced_call = NULL; LinphoneCall *call = (LinphoneCall *)bctbx_list_get_data(it); SalOp *replaced_op = sal_call_get_replaces(h); if (replaced_op) replaced_call = (LinphoneCall*)sal_op_get_user_pointer(replaced_op); if ((call->broken && sal_call_compare_op(h, call->op)) || ((replaced_call == call) && (strcmp(sal_op_get_from(h), sal_op_get_from(replaced_op)) == 0) && (strcmp(sal_op_get_to(h), sal_op_get_to(replaced_op)) == 0))) { return call; } it = bctbx_list_next(it); } return NULL; } static void call_received(SalOp *h){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h)); LinphoneCall *call; LinphoneCall *replaced_call; char *alt_contact; LinphoneAddress *from_addr=NULL; LinphoneAddress *to_addr=NULL; LinphoneAddress *from_address_to_search_if_me=NULL; /*address used to know if I'm the caller*/ SalMediaDescription *md; const char * p_asserted_id; /* Look if this INVITE is for a call that has already been notified but broken because of network failure */ replaced_call = look_for_broken_call_to_replace(h, lc); if (replaced_call != NULL) { linphone_call_replace_op(replaced_call, h); return; } /* first check if we can answer successfully to this invite */ if (linphone_presence_model_get_basic_status(lc->presence_model) == LinphonePresenceBasicStatusClosed) { LinphonePresenceActivity *activity = linphone_presence_model_get_activity(lc->presence_model); switch (linphone_presence_activity_get_type(activity)) { case LinphonePresenceActivityPermanentAbsence: alt_contact = linphone_presence_model_get_contact(lc->presence_model); if (alt_contact != NULL) { sal_call_decline(h,SalReasonRedirect,alt_contact); ms_free(alt_contact); sal_op_release(h); return; } break; default: /*nothing special to be done*/ break; } } if (!linphone_core_can_we_add_call(lc)){/*busy*/ sal_call_decline(h,SalReasonBusy,NULL); sal_op_release(h); return; } p_asserted_id = sal_custom_header_find(sal_op_get_recv_custom_header(h),"P-Asserted-Identity"); /*in some situation, better to trust the network rather than the UAC*/ if (lp_config_get_int(lc->config,"sip","call_logs_use_asserted_id_instead_of_from",0)) { LinphoneAddress *p_asserted_id_addr; if (!p_asserted_id) { ms_warning("No P-Asserted-Identity header found so cannot use it for op [%p] instead of from",h); } else { p_asserted_id_addr = linphone_address_new(p_asserted_id); if (!p_asserted_id_addr) { ms_warning("Unsupported P-Asserted-Identity header for op [%p] ",h); } else { ms_message("Using P-Asserted-Identity [%s] instead of from [%s] for op [%p]",p_asserted_id,sal_op_get_from(h),h); from_addr=p_asserted_id_addr; } } } if (!from_addr) from_addr=linphone_address_new(sal_op_get_from(h)); to_addr=linphone_address_new(sal_op_get_to(h)); if (sal_op_get_privacy(h) == SalPrivacyNone) { from_address_to_search_if_me=linphone_address_clone(from_addr); } else if (p_asserted_id) { from_address_to_search_if_me = linphone_address_new(p_asserted_id); } else { ms_warning ("Hidden from identity, don't know if it's me"); } if (from_address_to_search_if_me && already_a_call_with_remote_address(lc,from_address_to_search_if_me)){ char *addr = linphone_address_as_string(from_addr); ms_warning("Receiving a call while one with same address [%s] is initiated, refusing this one with busy message.",addr); sal_call_decline(h,SalReasonBusy,NULL); sal_op_release(h); linphone_address_unref(from_addr); linphone_address_unref(to_addr); linphone_address_unref(from_address_to_search_if_me); ms_free(addr); return; } else if (from_address_to_search_if_me) { linphone_address_unref(from_address_to_search_if_me); } call=linphone_call_new_incoming(lc,from_addr,to_addr,h); linphone_call_make_local_media_description(call); sal_call_set_local_media_description(call->op,call->localdesc); md=sal_call_get_final_media_description(call->op); if (md){ if (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md)){ sal_call_decline(call->op,SalReasonNotAcceptable,NULL); linphone_call_unref(call); return; } } /* the call is acceptable so we can now add it to our list */ linphone_core_add_call(lc,call); linphone_call_ref(call); /*prevent the call from being destroyed while we are notifying, if the user declines within the state callback */ call->bg_task_id=sal_begin_background_task("liblinphone call notification", NULL, NULL); if (call->defer_notify_incoming) { /* Defer ringing until the end of the ICE candidates gathering process. */ ms_message("Defer ringing to gather ICE candidates"); return; } #ifdef BUILD_UPNP if ((linphone_core_get_firewall_policy(lc) == LinphonePolicyUseUpnp) && (call->upnp_session != NULL)) { /* Defer ringing until the end of the ICE candidates gathering process. */ ms_message("Defer ringing to gather uPnP candidates"); return; } #endif //BUILD_UPNP linphone_core_notify_incoming_call(lc,call); } static void try_early_media_forking(LinphoneCall *call, SalMediaDescription *md){ SalMediaDescription *cur_md=call->resultdesc; int i; SalStreamDescription *ref_stream,*new_stream; ms_message("Early media response received from another branch, checking if media can be forked to this new destination."); for (i=0;istreams[i])) continue; ref_stream=&cur_md->streams[i]; new_stream=&md->streams[i]; if (ref_stream->type==new_stream->type && ref_stream->payloads && new_stream->payloads){ PayloadType *refpt, *newpt; refpt=(PayloadType*)ref_stream->payloads->data; newpt=(PayloadType*)new_stream->payloads->data; if (strcmp(refpt->mime_type,newpt->mime_type)==0 && refpt->clock_rate==newpt->clock_rate && payload_type_get_number(refpt)==payload_type_get_number(newpt)){ MediaStream *ms=NULL; if (ref_stream->type==SalAudio){ ms=(MediaStream*)call->audiostream; }else if (ref_stream->type==SalVideo){ ms=(MediaStream*)call->videostream; } if (ms){ RtpSession *session=ms->sessions.rtp_session; const char *rtp_addr=new_stream->rtp_addr[0]!='\0' ? new_stream->rtp_addr : md->addr; const char *rtcp_addr=new_stream->rtcp_addr[0]!='\0' ? new_stream->rtcp_addr : md->addr; if (ms_is_multicast(rtp_addr)) ms_message("Multicast addr [%s/%i] does not need auxiliary rtp's destination for call [%p]", rtp_addr,new_stream->rtp_port,call); else rtp_session_add_aux_remote_addr_full(session,rtp_addr,new_stream->rtp_port,rtcp_addr,new_stream->rtcp_port); } } } } } static void start_remote_ring(LinphoneCore *lc, LinphoneCall *call) { if (lc->sound_conf.play_sndcard!=NULL){ MSSndCard *ringcard=lc->sound_conf.lsd_card ? lc->sound_conf.lsd_card : lc->sound_conf.play_sndcard; if (call->localdesc->streams[0].max_rate>0) ms_snd_card_set_preferred_sample_rate(ringcard, call->localdesc->streams[0].max_rate); /*we release sound before playing ringback tone*/ if (call->audiostream) audio_stream_unprepare_sound(call->audiostream); if( lc->sound_conf.remote_ring ){ lc->ringstream=ring_start(lc->factory, lc->sound_conf.remote_ring,2000,ringcard); } } } static void call_ringing(SalOp *h){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(h)); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(h); SalMediaDescription *md; if (call==NULL) return; /*set privacy*/ call->current_params->privacy=(LinphonePrivacyMask)sal_op_get_privacy(call->op); linphone_core_notify_display_status(lc,_("Remote ringing.")); md=sal_call_get_final_media_description(h); if (md==NULL){ linphone_core_stop_dtmf_stream(lc); if (call->state==LinphoneCallOutgoingEarlyMedia){ /*already doing early media */ return; } if (lc->ringstream == NULL) start_remote_ring(lc, call); ms_message("Remote ringing..."); linphone_core_notify_display_status(lc,_("Remote ringing...")); linphone_call_set_state(call,LinphoneCallOutgoingRinging,"Remote ringing"); }else{ /*initialize the remote call params by invoking linphone_call_get_remote_params(). This is useful as the SDP may not be present in the 200Ok*/ linphone_call_get_remote_params(call); /*accept early media */ if ((call->audiostream && audio_stream_started(call->audiostream)) #ifdef VIDEO_ENABLED || (call->videostream && video_stream_started(call->videostream)) #endif ) { /*streams already started */ try_early_media_forking(call,md); #ifdef VIDEO_ENABLED if (call->videostream){ /*just request for iframe*/ video_stream_send_vfu(call->videostream); } #endif return; } linphone_core_notify_show_interface(lc); linphone_core_notify_display_status(lc,_("Early media.")); linphone_call_set_state(call,LinphoneCallOutgoingEarlyMedia,"Early media"); linphone_core_stop_ringing(lc); ms_message("Doing early media..."); linphone_core_update_streams(lc,call,md, call->state); if ((linphone_call_params_get_audio_direction(linphone_call_get_current_params(call)) == LinphoneMediaDirectionInactive) && call->audiostream) { if (lc->ringstream != NULL) return; /* Already ringing! */ start_remote_ring(lc, call); } } } static void start_pending_refer(LinphoneCall *call){ linphone_core_start_refered_call(call->core, call,NULL); } static void process_call_accepted(LinphoneCore *lc, LinphoneCall *call, SalOp *op){ SalMediaDescription *md, *rmd; LinphoneCallState next_state = LinphoneCallIdle; const char *next_state_str = NULL; LinphoneTaskList tl; switch (call->state){/*immediately notify the connected state, even if errors occur after*/ case LinphoneCallOutgoingProgress: case LinphoneCallOutgoingRinging: case LinphoneCallOutgoingEarlyMedia: /*immediately notify the connected state*/ linphone_call_set_state(call,LinphoneCallConnected,"Connected"); { char *tmp=linphone_call_get_remote_address_as_string (call); char *msg=ms_strdup_printf(_("Call answered by %s"),tmp); linphone_core_notify_display_status(lc,msg); ms_free(tmp); ms_free(msg); } break; default: break; } linphone_task_list_init(&tl); rmd=sal_call_get_remote_media_description(op); /*set privacy*/ call->current_params->privacy=(LinphonePrivacyMask)sal_op_get_privacy(call->op); /*reset the internal call update flag, so it doesn't risk to be copied and used in further re-INVITEs*/ if (call->params->internal_call_update) call->params->internal_call_update = FALSE; #ifdef BUILD_UPNP if (call->upnp_session != NULL && rmd) { linphone_core_update_upnp_from_remote_media_description(call, rmd); } #endif //BUILD_UPNP md=sal_call_get_final_media_description(op); if (md == NULL && call->prevstate == LinphoneCallOutgoingEarlyMedia && call->resultdesc != NULL){ ms_message("Using early media SDP since none was received with the 200 OK"); md = call->resultdesc; } if (md && (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md))){ md = NULL; } if (md){ /*there is a valid SDP in the response, either offer or answer, and we're able to start/update the streams*/ /* Handle remote ICE attributes if any. */ if (call->ice_session != NULL && rmd) { linphone_call_update_ice_from_remote_media_description(call, rmd, FALSE); } switch (call->state){ case LinphoneCallResuming: linphone_core_notify_display_status(lc,_("Call resumed.")); /*intentionally no break*/ case LinphoneCallConnected: if (call->referer) linphone_core_notify_refer_state(lc,call->referer,call); /*intentionally no break*/ case LinphoneCallUpdating: case LinphoneCallUpdatedByRemote: if (!sal_media_description_has_dir(call->localdesc, SalStreamInactive) && (sal_media_description_has_dir(md,SalStreamRecvOnly) || sal_media_description_has_dir(md,SalStreamInactive))){ next_state = LinphoneCallPausedByRemote; next_state_str = "Call paused by remote"; }else{ if (!call->params->in_conference) lc->current_call=call; next_state = LinphoneCallStreamsRunning; next_state_str = "Streams running"; } break; case LinphoneCallEarlyUpdating: next_state_str = "Early update accepted"; next_state = call->prevstate; break; case LinphoneCallPausing: /*when we entered the pausing state, we always reach the paused state whatever the content of the remote SDP is. Our streams are all send-only (with music), soundcard and camera are never used*/ next_state = LinphoneCallPaused; next_state_str = "Call paused"; if (call->refer_pending) linphone_task_list_add(&tl, (LinphoneCoreIterateHook)start_pending_refer, call); break; default: ms_error("call_accepted(): don't know what to do in state [%s]", linphone_call_state_to_string(call->state)); break; } if (next_state != LinphoneCallIdle){ linphone_call_update_remote_session_id_and_ver(call); linphone_core_update_ice_state_in_call_stats(call); linphone_core_update_streams(lc, call, md, next_state); linphone_call_fix_call_parameters(call, rmd); linphone_call_set_state(call, next_state, next_state_str); }else{ ms_error("BUG: next_state is not set in call_accepted(), current state is %s", linphone_call_state_to_string(call->state)); } }else{ /*invalid or no SDP*/ switch (call->prevstate){ /*send a bye only in case of early states*/ case LinphoneCallOutgoingInit: case LinphoneCallOutgoingProgress: case LinphoneCallOutgoingRinging: case LinphoneCallOutgoingEarlyMedia: case LinphoneCallIncomingReceived: case LinphoneCallIncomingEarlyMedia: ms_error("Incompatible SDP answer received, need to abort the call"); linphone_core_abort_call(lc,call,_("Incompatible, check codecs or security settings...")); break; /*otherwise we are able to resume previous state*/ default: ms_error("Incompatible SDP answer received"); switch(call->state) { case LinphoneCallPausedByRemote: break; case LinphoneCallPaused: break; case LinphoneCallStreamsRunning: break; default: ms_message("Incompatible SDP answer received, restoring previous state [%s]",linphone_call_state_to_string(call->prevstate)); linphone_call_set_state(call,call->prevstate,_("Incompatible media parameters.")); break; } break; } } linphone_task_list_run(&tl); linphone_task_list_free(&tl); } /* * could be reach : * - when the call is accepted * - when a request is accepted (pause, resume) */ static void call_accepted(SalOp *op){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); if (call == NULL){ ms_warning("call_accepted: call does no longer exist."); return ; } process_call_accepted(lc, call, op); } static void call_resumed(LinphoneCore *lc, LinphoneCall *call){ linphone_core_notify_display_status(lc,_("We have been resumed.")); _linphone_core_accept_call_update(lc,call,NULL,LinphoneCallStreamsRunning,"Connected (streams running)"); } static void call_paused_by_remote(LinphoneCore *lc, LinphoneCall *call){ LinphoneCallParams *params; /* we are being paused */ linphone_core_notify_display_status(lc,_("We are paused by other party.")); params = linphone_call_params_copy(call->params); if (lp_config_get_int(lc->config, "sip", "inactive_video_on_pause", 0)) { linphone_call_params_set_video_direction(params, LinphoneMediaDirectionInactive); } _linphone_core_accept_call_update(lc,call,params,LinphoneCallPausedByRemote,"Call paused by remote"); linphone_call_params_unref(params); } static void call_updated_by_remote(LinphoneCore *lc, LinphoneCall *call){ linphone_core_notify_display_status(lc,_("Call is updated by remote.")); linphone_call_set_state(call, LinphoneCallUpdatedByRemote,"Call updated by remote"); if (call->defer_update == FALSE){ if (call->state == LinphoneCallUpdatedByRemote){ linphone_core_accept_call_update(lc,call,NULL); }else{ /*otherwise it means that the app responded by linphone_core_accept_call_update * within the callback, so job is already done.*/ } }else{ if (call->state == LinphoneCallUpdatedByRemote){ ms_message("LinphoneCall [%p]: UpdatedByRemoted was signaled but defered. LinphoneCore expects the application to call " "linphone_core_accept_call_update() later.", call); } } } /* this callback is called when an incoming re-INVITE/ SIP UPDATE modifies the session*/ static void call_updated(LinphoneCore *lc, LinphoneCall *call, SalOp *op, bool_t is_update){ SalMediaDescription *rmd=sal_call_get_remote_media_description(op); call->defer_update = lp_config_get_int(lc->config, "sip", "defer_update_default", FALSE); switch(call->state){ case LinphoneCallPausedByRemote: if (sal_media_description_has_dir(rmd,SalStreamSendRecv) || sal_media_description_has_dir(rmd,SalStreamRecvOnly)){ call_resumed(lc,call); }else{ call_updated_by_remote(lc, call); } break; /*SIP UPDATE CASE*/ case LinphoneCallOutgoingRinging: case LinphoneCallOutgoingEarlyMedia: case LinphoneCallIncomingEarlyMedia: if (is_update) { linphone_call_set_state(call, LinphoneCallEarlyUpdatedByRemote, "EarlyUpdatedByRemote"); _linphone_core_accept_call_update(lc,call,NULL,call->prevstate,linphone_call_state_to_string(call->prevstate)); } break; case LinphoneCallStreamsRunning: case LinphoneCallConnected: case LinphoneCallUpdatedByRemote: // Can happen on UAC connectivity loss if (sal_media_description_has_dir(rmd,SalStreamSendOnly) || sal_media_description_has_dir(rmd,SalStreamInactive)){ call_paused_by_remote(lc,call); }else{ call_updated_by_remote(lc, call); } break; case LinphoneCallPaused: /*we'll remain in pause state but accept the offer anyway according to default parameters*/ _linphone_core_accept_call_update(lc,call,NULL,call->state,linphone_call_state_to_string(call->state)); break; case LinphoneCallUpdating: case LinphoneCallPausing: case LinphoneCallResuming: sal_call_decline(call->op,SalReasonInternalError,NULL); /*no break*/ case LinphoneCallIdle: case LinphoneCallOutgoingInit: case LinphoneCallEnd: case LinphoneCallIncomingReceived: case LinphoneCallOutgoingProgress: case LinphoneCallRefered: case LinphoneCallError: case LinphoneCallReleased: case LinphoneCallEarlyUpdatedByRemote: case LinphoneCallEarlyUpdating: ms_warning("Receiving reINVITE or UPDATE while in state [%s], should not happen.",linphone_call_state_to_string(call->state)); break; } } /* this callback is called when an incoming re-INVITE/ SIP UPDATE modifies the session*/ static void call_updating(SalOp *op, bool_t is_update){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); SalMediaDescription *rmd=sal_call_get_remote_media_description(op); if (!call) { ms_error("call_updating(): call doesn't exist anymore"); return ; } linphone_call_fix_call_parameters(call, rmd); if (call->state!=LinphoneCallPaused){ /*Refresh the local description, but in paused state, we don't change anything.*/ if (rmd == NULL && lp_config_get_int(call->core->config,"sip","sdp_200_ack_follow_video_policy",0)) { LinphoneCallParams *p=linphone_core_create_call_params(lc, NULL); ms_message("Applying default policy for offering SDP on call [%p]",call); linphone_call_set_new_params(call, p); linphone_call_params_unref(p); } linphone_call_make_local_media_description(call); sal_call_set_local_media_description(call->op,call->localdesc); } if (rmd == NULL){ /* case of a reINVITE or UPDATE without SDP */ call->expect_media_in_ack = TRUE; sal_call_accept(op); /*respond with an offer*/ /*don't do anything else in this case, wait for the ACK to receive to notify the app*/ }else { SalMediaDescription *md; SalMediaDescription *prev_result_desc=call->resultdesc; call->expect_media_in_ack = FALSE; md=sal_call_get_final_media_description(call->op); if (md && (sal_media_description_empty(md) || linphone_core_incompatible_security(lc,md))){ sal_call_decline(call->op,SalReasonNotAcceptable,NULL); return; } if (is_update && prev_result_desc && md){ int diff=sal_media_description_equals(prev_result_desc,md); if (diff & (SAL_MEDIA_DESCRIPTION_CRYPTO_POLICY_CHANGED|SAL_MEDIA_DESCRIPTION_STREAMS_CHANGED)){ ms_warning("Cannot accept this update, it is changing parameters that require user approval"); sal_call_decline(call->op,SalReasonNotAcceptable,NULL); /*FIXME should send 504 Cannot change the session parameters without prompting the user"*/ return; } } call_updated(lc, call, op, is_update); } } static void call_ack(SalOp *op){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); if (call == NULL){ ms_warning("call_ack(): no call for which an ack is expected"); return; } if (call->expect_media_in_ack){ switch(call->state){ case LinphoneCallStreamsRunning: case LinphoneCallPausedByRemote: linphone_call_set_state(call, LinphoneCallUpdatedByRemote, "UpdatedByRemote"); break; default: break; } process_call_accepted(lc, call, op); } } static void call_terminated(SalOp *op, const char *from){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); if (call==NULL) return; switch(linphone_call_get_state(call)){ case LinphoneCallEnd: case LinphoneCallError: ms_warning("call_terminated: already terminated, ignoring."); return; break; case LinphoneCallIncomingReceived: case LinphoneCallIncomingEarlyMedia: sal_error_info_set(&call->non_op_error,SalReasonRequestTimeout,0,"Incoming call cancelled",NULL); break; default: break; } ms_message("Current call terminated..."); if (call->refer_pending){ linphone_core_start_refered_call(lc,call,NULL); } //we stop the call only if we have this current call or if we are in call if ((bctbx_list_size(lc->calls) == 1) || linphone_core_in_call(lc)) { linphone_core_stop_ringing(lc); } linphone_call_stop_media_streams(call); linphone_core_notify_show_interface(lc); linphone_core_notify_display_status(lc,_("Call terminated.")); #ifdef BUILD_UPNP linphone_call_delete_upnp_session(call); #endif //BUILD_UPNP linphone_call_set_state(call, LinphoneCallEnd,"Call ended"); } static int resume_call_after_failed_transfer(LinphoneCall *call){ if (call->was_automatically_paused && call->state==LinphoneCallPausing) return BELLE_SIP_CONTINUE; /*was still in pausing state*/ if (call->was_automatically_paused && call->state==LinphoneCallPaused){ if (sal_op_is_idle(call->op)){ linphone_core_resume_call(call->core,call); }else { ms_message("resume_call_after_failed_transfer(), salop was busy"); return BELLE_SIP_CONTINUE; } } linphone_call_unref(call); return BELLE_SIP_STOP; } static void call_failure(SalOp *op){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); const SalErrorInfo *ei=sal_op_get_error_info(op); char *msg486=_("User is busy."); char *msg480=_("User is temporarily unavailable."); /*char *retrymsg=_("%s. Retry after %i minute(s).");*/ char *msg600=_("User does not want to be disturbed."); char *msg603=_("Call declined."); const char *msg=ei->full_string; LinphoneCall *referer; LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); if (call==NULL){ ms_warning("Call faillure reported on already terminated call."); return ; } referer=call->referer; linphone_core_notify_show_interface(lc); switch(ei->reason){ case SalReasonNone: break; case SalReasonRequestTimeout: msg=_("Request timeout."); linphone_core_notify_display_status(lc,msg); break; case SalReasonDeclined: msg=msg603; linphone_core_notify_display_status(lc,msg603); break; case SalReasonBusy: msg=msg486; linphone_core_notify_display_status(lc,msg486); break; case SalReasonRedirect: { linphone_call_stop_media_streams(call); if ( call->state==LinphoneCallOutgoingInit || call->state==LinphoneCallOutgoingProgress || call->state==LinphoneCallOutgoingRinging /*push case*/ || call->state==LinphoneCallOutgoingEarlyMedia){ LinphoneAddress* redirection_to = (LinphoneAddress*)sal_op_get_remote_contact_address(call->op); if( redirection_to ){ char* url = linphone_address_as_string(redirection_to); ms_warning("Redirecting call [%p] to %s",call, url); ms_free(url); if( call->log->to != NULL ) { linphone_address_unref(call->log->to); } call->log->to = linphone_address_ref(redirection_to); linphone_core_restart_invite(lc, call); return; } } msg=_("Redirected"); linphone_core_notify_display_status(lc,msg); } break; case SalReasonTemporarilyUnavailable: msg=msg480; linphone_core_notify_display_status(lc,msg480); break; case SalReasonNotFound: linphone_core_notify_display_status(lc,msg); break; case SalReasonDoNotDisturb: msg=msg600; linphone_core_notify_display_status(lc,msg600); break; case SalReasonUnsupportedContent: /*state == LinphoneCallOutgoingInit) || (call->state == LinphoneCallOutgoingProgress) || (call->state == LinphoneCallOutgoingRinging) /* Push notification case */ || (call->state == LinphoneCallOutgoingEarlyMedia)) { int i; for (i = 0; i < call->localdesc->nb_streams; i++) { if (!sal_stream_description_active(&call->localdesc->streams[i])) continue; if (call->params->media_encryption == LinphoneMediaEncryptionSRTP) { if (call->params->avpf_enabled == TRUE) { if (i == 0) ms_message("Retrying call [%p] with SAVP", call); call->params->avpf_enabled = FALSE; linphone_core_restart_invite(lc, call); return; } else if (!linphone_core_is_media_encryption_mandatory(lc)) { if (i == 0) ms_message("Retrying call [%p] with AVP", call); call->params->media_encryption = LinphoneMediaEncryptionNone; memset(call->localdesc->streams[i].crypto, 0, sizeof(call->localdesc->streams[i].crypto)); linphone_core_restart_invite(lc, call); return; } } else if (call->params->avpf_enabled == TRUE) { if (i == 0) ms_message("Retrying call [%p] with AVP", call); call->params->avpf_enabled = FALSE; linphone_core_restart_invite(lc, call); return; } } } msg=_("Incompatible media parameters."); linphone_core_notify_display_status(lc,msg); break; default: linphone_core_notify_display_status(lc,_("Call failed.")); } /*some call errors are not fatal*/ switch (call->state) { case LinphoneCallUpdating: case LinphoneCallPausing: case LinphoneCallResuming: if (ei->reason != SalReasonNoMatch){ ms_message("Call error on state [%s], restoring previous state",linphone_call_state_to_string(call->prevstate)); linphone_call_set_state(call, call->prevstate,ei->full_string); return; } default: break; /*nothing to do*/ } linphone_core_stop_ringing(lc); linphone_call_stop_media_streams(call); #ifdef BUILD_UPNP linphone_call_delete_upnp_session(call); #endif //BUILD_UPNP if (call->state!=LinphoneCallEnd && call->state!=LinphoneCallError){ if (ei->reason==SalReasonDeclined){ linphone_call_set_state(call,LinphoneCallEnd,"Call declined."); }else{ if (linphone_call_state_is_early(call->state)){ linphone_call_set_state(call,LinphoneCallError,ei->full_string); }else{ linphone_call_set_state(call, LinphoneCallEnd, ei->full_string); } } if (ei->reason!=SalReasonNone) linphone_core_play_call_error_tone(lc,linphone_reason_from_sal(ei->reason)); } if (referer){ /*notify referer of the failure*/ linphone_core_notify_refer_state(lc,referer,call); /*schedule automatic resume of the call. This must be done only after the notifications are completed due to dialog serialization of requests.*/ linphone_core_queue_task(lc,(belle_sip_source_func_t)resume_call_after_failed_transfer,linphone_call_ref(referer),"Automatic call resuming after failed transfer"); } } static void call_released(SalOp *op){ LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); if (call!=NULL){ linphone_call_set_state(call,LinphoneCallReleased,"Call released"); }else{ /*we can arrive here when the core manages call at Sal level without creating a LinphoneCall object. Typicially: * - when declining an incoming call with busy because maximum number of calls is reached. */ } } static void call_cancel_done(SalOp *op) { LinphoneCall *call = (LinphoneCall *)sal_op_get_user_pointer(op); if (call->reinvite_on_cancel_response_requested == TRUE) { call->reinvite_on_cancel_response_requested = FALSE; linphone_call_reinvite_to_recover_from_connection_loss(call); } } static void auth_failure(SalOp *op, SalAuthInfo* info) { LinphoneCore *lc = (LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneAuthInfo *ai = NULL; if (info != NULL) { ai = (LinphoneAuthInfo*)_linphone_core_find_auth_info(lc, info->realm, info->username, info->domain, TRUE); if (ai){ LinphoneAuthMethod method = info->mode == SalAuthModeHttpDigest ? LinphoneAuthHttpDigest : LinphoneAuthTls; LinphoneAuthInfo *auth_info = linphone_core_create_auth_info(lc, info->username, NULL, NULL, NULL, info->realm, info->domain); ms_message("%s/%s/%s/%s authentication fails.", info->realm, info->username, info->domain, info->mode == SalAuthModeHttpDigest ? "HttpDigest" : "Tls"); /*ask again for password if auth info was already supplied but apparently not working*/ linphone_core_notify_authentication_requested(lc, auth_info, method); linphone_auth_info_destroy(auth_info); // Deprecated linphone_core_notify_auth_info_requested(lc, info->realm, info->username, info->domain); } } } static void register_success(SalOp *op, bool_t registered){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op); char *msg; if (!cfg){ ms_message("Registration success for deleted proxy config, ignored"); return; } linphone_proxy_config_set_state(cfg, registered ? LinphoneRegistrationOk : LinphoneRegistrationCleared , registered ? "Registration successful" : "Unregistration done"); { if (registered) msg=ms_strdup_printf(_("Registration on %s successful."),sal_op_get_proxy(op)); else msg=ms_strdup_printf(_("Unregistration on %s done."),sal_op_get_proxy(op)); linphone_core_notify_display_status(lc,msg); ms_free(msg); } } static void register_failure(SalOp *op){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneProxyConfig *cfg=(LinphoneProxyConfig*)sal_op_get_user_pointer(op); const SalErrorInfo *ei=sal_op_get_error_info(op); const char *details=ei->full_string; if (cfg==NULL){ ms_warning("Registration failed for unknown proxy config."); return ; } if (details==NULL) details=_("no response timeout"); { char *msg=ortp_strdup_printf(_("Registration on %s failed: %s"),sal_op_get_proxy(op), details); linphone_core_notify_display_status(lc,msg); ms_free(msg); } if ((ei->reason == SalReasonServiceUnavailable || ei->reason == SalReasonIOError) && linphone_proxy_config_get_state(cfg) == LinphoneRegistrationOk) { linphone_proxy_config_set_state(cfg,LinphoneRegistrationProgress,_("Service unavailable, retrying")); } else { linphone_proxy_config_set_state(cfg,LinphoneRegistrationFailed,details); } if (cfg->long_term_event){ /*prevent publish to be sent now until registration gets successful*/ linphone_event_terminate(cfg->long_term_event); linphone_event_unref(cfg->long_term_event); cfg->long_term_event=NULL; cfg->send_publish=cfg->publish; } } static void vfu_request(SalOp *op){ #ifdef VIDEO_ENABLED LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer (op); if (call==NULL){ ms_warning("VFU request but no call !"); return ; } if (call->videostream) video_stream_send_vfu(call->videostream); #endif } static void dtmf_received(SalOp *op, char dtmf){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); if (!call) return; linphone_core_notify_dtmf_received(lc, call, dtmf); } static void refer_received(Sal *sal, SalOp *op, const char *referto){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); LinphoneAddress *refer_to_addr = linphone_address_new(referto); char method[20] = ""; if(refer_to_addr) { const char *tmp = linphone_address_get_method_param(refer_to_addr); if(tmp) strncpy(method, tmp, sizeof(method)); linphone_address_unref(refer_to_addr); } if (call && (strlen(method) == 0 || strcmp(method, "INVITE") == 0)) { if (call->refer_to!=NULL){ ms_free(call->refer_to); } call->refer_to=ms_strdup(referto); call->refer_pending=TRUE; linphone_call_set_state(call,LinphoneCallRefered,"Refered"); { char *msg=ms_strdup_printf(_("We are transferred to %s"),referto); linphone_core_notify_display_status(lc,msg); ms_free(msg); } if (call->refer_pending) linphone_core_start_refered_call(lc,call,NULL); }else { linphone_core_notify_refer_received(lc,referto); } } static bool_t is_duplicate_msg(LinphoneCore *lc, const char *msg_id){ bctbx_list_t *elem=lc->last_recv_msg_ids; bctbx_list_t *tail=NULL; int i; bool_t is_duplicate=FALSE; for(i=0;elem!=NULL;elem=elem->next,i++){ if (strcmp((const char*)elem->data,msg_id)==0){ is_duplicate=TRUE; } tail=elem; } if (!is_duplicate){ lc->last_recv_msg_ids=bctbx_list_prepend(lc->last_recv_msg_ids,ms_strdup(msg_id)); } if (i>=10){ ms_free(tail->data); lc->last_recv_msg_ids=bctbx_list_erase_link(lc->last_recv_msg_ids,tail); } return is_duplicate; } static void text_received(SalOp *op, const SalMessage *msg){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneCall *call=(LinphoneCall*)sal_op_get_user_pointer(op); LinphoneReason reason = lc->chat_deny_code; if (reason == LinphoneReasonNone && is_duplicate_msg(lc, msg->message_id) == FALSE) { reason = linphone_core_message_received(lc, op, msg); } sal_message_reply(op, linphone_reason_to_sal(reason)); if (!call) sal_op_release(op); } static void is_composing_received(SalOp *op, const SalIsComposing *is_composing) { LinphoneCore *lc = (LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneReason reason = linphone_core_is_composing_received(lc, op, is_composing); sal_message_reply(op, linphone_reason_to_sal(reason)); sal_op_release(op); } static void imdn_received(SalOp *op, const SalImdn *imdn) { LinphoneCore *lc = (LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneReason reason = linphone_core_imdn_received(lc, op, imdn); sal_message_reply(op, linphone_reason_to_sal(reason)); sal_op_release(op); } static void parse_presence_requested(SalOp *op, const char *content_type, const char *content_subtype, const char *body, SalPresenceModel **result) { linphone_notify_parse_presence(content_type, content_subtype, body, result); } static void convert_presence_to_xml_requested(SalOp *op, SalPresenceModel *presence, const char *contact, char **content) { /*for backward compatibility because still used by notify. No loguer used for publish*/ if(linphone_presence_model_get_presentity((LinphonePresenceModel*)presence) == NULL) { LinphoneAddress * presentity = linphone_address_new(contact); linphone_presence_model_set_presentity((LinphonePresenceModel*)presence, presentity); linphone_address_unref(presentity); } *content = linphone_presence_model_to_xml((LinphonePresenceModel*)presence); } static void notify_presence(SalOp *op, SalSubscribeStatus ss, SalPresenceModel *model, const char *msg){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); linphone_notify_recv(lc,op,ss,model); } static void subscribe_presence_received(SalOp *op, const char *from){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); linphone_subscription_new(lc,op,from); } static void subscribe_presence_closed(SalOp *op, const char *from){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); linphone_subscription_closed(lc,op); } static void ping_reply(SalOp *op){ LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op); ms_message("ping reply !"); if (call){ if (call->state==LinphoneCallOutgoingInit){ call->ping_replied=TRUE; linphone_core_proceed_with_invite_if_ready(call->core,call,NULL); } } else { ms_warning("ping reply without call attached..."); } } static bool_t fill_auth_info_with_client_certificate(LinphoneCore *lc, SalAuthInfo* sai) { const char *chain_file = linphone_core_get_tls_cert_path(lc); const char *key_file = linphone_core_get_tls_key_path(lc); if (key_file && chain_file) { #ifndef _WIN32 // optinal check for files struct stat st; if (stat(key_file, &st)) { ms_warning("No client certificate key found in %s", key_file); return FALSE; } if (stat(chain_file, &st)) { ms_warning("No client certificate chain found in %s", chain_file); return FALSE; } #endif sal_certificates_chain_parse_file(sai, chain_file, SAL_CERTIFICATE_RAW_FORMAT_PEM); sal_signing_key_parse_file(sai, key_file, ""); } else if (lc->tls_cert && lc->tls_key) { sal_certificates_chain_parse(sai, lc->tls_cert, SAL_CERTIFICATE_RAW_FORMAT_PEM); sal_signing_key_parse(sai, lc->tls_key, ""); } return sai->certificates && sai->key; } static bool_t fill_auth_info(LinphoneCore *lc, SalAuthInfo* sai) { LinphoneAuthInfo *ai = NULL; if (sai->mode == SalAuthModeTls) { ai = (LinphoneAuthInfo*)_linphone_core_find_tls_auth_info(lc); } else { ai = (LinphoneAuthInfo*)_linphone_core_find_auth_info(lc,sai->realm,sai->username,sai->domain, FALSE); } if (ai) { if (sai->mode == SalAuthModeHttpDigest) { sai->userid = ms_strdup(ai->userid ? ai->userid : ai->username); sai->password = ai->passwd?ms_strdup(ai->passwd) : NULL; sai->ha1 = ai->ha1 ? ms_strdup(ai->ha1) : NULL; } else if (sai->mode == SalAuthModeTls) { if (ai->tls_cert && ai->tls_key) { sal_certificates_chain_parse(sai, ai->tls_cert, SAL_CERTIFICATE_RAW_FORMAT_PEM); sal_signing_key_parse(sai, ai->tls_key, ""); } else if (ai->tls_cert_path && ai->tls_key_path) { sal_certificates_chain_parse_file(sai, ai->tls_cert_path, SAL_CERTIFICATE_RAW_FORMAT_PEM); sal_signing_key_parse_file(sai, ai->tls_key_path, ""); } else { fill_auth_info_with_client_certificate(lc, sai); } } if (sai->realm && !ai->realm){ /*if realm was not known, then set it so that ha1 may eventually be calculated and clear text password dropped*/ linphone_auth_info_set_realm(ai, sai->realm); linphone_core_write_auth_info(lc, ai); } return TRUE; } else { if (sai->mode == SalAuthModeTls) { return fill_auth_info_with_client_certificate(lc, sai); } return FALSE; } } static bool_t auth_requested(Sal* sal, SalAuthInfo* sai) { LinphoneCore *lc = (LinphoneCore *)sal_get_user_pointer(sal); if (fill_auth_info(lc,sai)) { return TRUE; } else { LinphoneAuthMethod method = sai->mode == SalAuthModeHttpDigest ? LinphoneAuthHttpDigest : LinphoneAuthTls; LinphoneAuthInfo *ai = linphone_core_create_auth_info(lc, sai->username, NULL, NULL, NULL, sai->realm, sai->domain); linphone_core_notify_authentication_requested(lc, ai, method); linphone_auth_info_destroy(ai); // Deprecated linphone_core_notify_auth_info_requested(lc, sai->realm, sai->username, sai->domain); if (fill_auth_info(lc, sai)) { return TRUE; } return FALSE; } } static void notify_refer(SalOp *op, SalReferStatus status){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); LinphoneCall *call=(LinphoneCall*) sal_op_get_user_pointer(op); LinphoneCallState cstate; if (call==NULL) { ms_warning("Receiving notify_refer for unknown call."); return ; } switch(status){ case SalReferTrying: cstate=LinphoneCallOutgoingProgress; break; case SalReferSuccess: cstate=LinphoneCallConnected; break; case SalReferFailed: cstate=LinphoneCallError; break; default: cstate=LinphoneCallError; } linphone_call_set_transfer_state(call, cstate); if (cstate==LinphoneCallConnected){ /*automatically terminate the call as the transfer is complete.*/ linphone_core_terminate_call(lc,call); } } static LinphoneChatMessageState chatStatusSal2Linphone(SalTextDeliveryStatus status){ switch(status){ case SalTextDeliveryInProgress: return LinphoneChatMessageStateInProgress; case SalTextDeliveryDone: return LinphoneChatMessageStateDelivered; case SalTextDeliveryFailed: return LinphoneChatMessageStateNotDelivered; } return LinphoneChatMessageStateIdle; } static void text_delivery_update(SalOp *op, SalTextDeliveryStatus status){ LinphoneChatMessage *chat_msg=(LinphoneChatMessage* )sal_op_get_user_pointer(op); if (chat_msg == NULL) { // Do not handle delivery status for isComposing messages. return; } // check that the message does not belong to an already destroyed chat room - if so, do not invoke callbacks if (chat_msg->chat_room != NULL) { linphone_chat_message_update_state(chat_msg, chatStatusSal2Linphone(status)); } if (status != SalTextDeliveryInProgress) { /*only release op if not in progress*/ linphone_chat_message_destroy(chat_msg); } } static void info_received(SalOp *op, SalBodyHandler *body_handler){ LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); linphone_core_notify_info_message(lc,op,body_handler); } static void subscribe_response(SalOp *op, SalSubscribeStatus status, int will_retry){ LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op); if (lev==NULL) return; if (status==SalSubscribeActive){ linphone_event_set_state(lev,LinphoneSubscriptionActive); }else if (status==SalSubscribePending){ linphone_event_set_state(lev,LinphoneSubscriptionPending); }else{ if (will_retry){ linphone_event_set_state(lev,LinphoneSubscriptionOutgoingProgress); } else linphone_event_set_state(lev,LinphoneSubscriptionError); } } static void notify(SalOp *op, SalSubscribeStatus st, const char *eventname, SalBodyHandler *body_handler){ LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op); LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); bool_t out_of_dialog = (lev==NULL); if (out_of_dialog) { /*out of dialog notify */ lev = linphone_event_new_with_out_of_dialog_op(lc,op,LinphoneSubscriptionOutgoing,eventname); } { LinphoneContent *ct=linphone_content_from_sal_body_handler(body_handler); if (ct) { linphone_core_notify_notify_received(lc,lev,eventname,ct); linphone_content_unref(ct); } } if (out_of_dialog){ /*out of dialog NOTIFY do not create an implicit subscription*/ linphone_event_set_state(lev, LinphoneSubscriptionTerminated); }else if (st!=SalSubscribeNone){ linphone_event_set_state(lev,linphone_subscription_state_from_sal(st)); } } static void subscribe_received(SalOp *op, const char *eventname, const SalBodyHandler *body_handler){ LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op); LinphoneCore *lc=(LinphoneCore *)sal_get_user_pointer(sal_op_get_sal(op)); if (lev==NULL) { lev=linphone_event_new_with_op(lc,op,LinphoneSubscriptionIncoming,eventname); linphone_event_set_state(lev,LinphoneSubscriptionIncomingReceived); }else{ /*subscribe refresh, unhandled*/ } } static void incoming_subscribe_closed(SalOp *op){ LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op); linphone_event_set_state(lev,LinphoneSubscriptionTerminated); } static void on_publish_response(SalOp* op){ LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op); const SalErrorInfo *ei=sal_op_get_error_info(op); if (lev==NULL) return; if (ei->reason==SalReasonNone){ if (!lev->terminating) linphone_event_set_publish_state(lev,LinphonePublishOk); else linphone_event_set_publish_state(lev,LinphonePublishCleared); }else{ if (lev->publish_state==LinphonePublishOk){ linphone_event_set_publish_state(lev,LinphonePublishProgress); }else{ linphone_event_set_publish_state(lev,LinphonePublishError); } } } static void on_expire(SalOp *op){ LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op); if (lev==NULL) return; if (linphone_event_get_publish_state(lev)==LinphonePublishOk){ linphone_event_set_publish_state(lev,LinphonePublishExpiring); }else if (linphone_event_get_subscription_state(lev)==LinphoneSubscriptionActive){ linphone_event_set_state(lev,LinphoneSubscriptionExpiring); } } static void on_notify_response(SalOp *op){ LinphoneEvent *lev=(LinphoneEvent*)sal_op_get_user_pointer(op); if (lev==NULL) return; /*this is actually handling out of dialogs notify - for the moment*/ if (!lev->is_out_of_dialog_op) return; switch (linphone_event_get_subscription_state(lev)){ case LinphoneSubscriptionIncomingReceived: if (sal_op_get_error_info(op)->reason == SalReasonNone){ linphone_event_set_state(lev, LinphoneSubscriptionTerminated); }else{ linphone_event_set_state(lev, LinphoneSubscriptionError); } break; default: ms_warning("Unhandled on_notify_response() case %s", linphone_subscription_state_to_string(linphone_event_get_subscription_state(lev))); } } SalCallbacks linphone_sal_callbacks={ call_received, call_ringing, call_accepted, call_ack, call_updating, call_terminated, call_failure, call_released, call_cancel_done, auth_failure, register_success, register_failure, vfu_request, dtmf_received, refer_received, text_received, text_delivery_update, is_composing_received, imdn_received, notify_refer, subscribe_received, incoming_subscribe_closed, subscribe_response, notify, subscribe_presence_received, subscribe_presence_closed, parse_presence_requested, convert_presence_to_xml_requested, notify_presence, ping_reply, auth_requested, info_received, on_publish_response, on_expire, on_notify_response };