Desktop
/* $Id: sofia.c,v 1.11 2012/08/24 17:21:05 khorben Exp $ */
/* Copyright (c) 2011-2012 Pierre Pronchery <khorben@defora.org> */
/* This file is part of DeforaOS Desktop Phone */
/* 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, version 3 of the License.
*
* 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, see <http://www.gnu.org/licenses/>. */
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <System.h>
#include <Phone/modem.h>
#include <sofia-sip/nua.h>
#include <sofia-sip/sip_header.h>
#include <sofia-sip/su_glib.h>
#include <sofia-sip/url.h>
/* Sofia */
/* private */
/* types */
typedef struct _ModemPlugin
{
ModemPluginHelper * helper;
su_home_t home[1];
su_root_t * root;
guint source;
nua_t * nua;
nua_handle_t * handle;
} Sofia;
/* variables */
static ModemConfig _sofia_config[] =
{
{ "username", "Username", MCT_STRING },
{ "fullname", "Full name", MCT_STRING },
{ NULL, "Registrar", MCT_SUBSECTION },
{ "registrar_hostname", "Hostname", MCT_STRING },
{ "registrar_username", "Username", MCT_STRING },
{ "registrar_password", "Password", MCT_PASSWORD },
{ NULL, "Proxy", MCT_SUBSECTION },
{ "proxy_hostname", "Hostname", MCT_STRING },
{ NULL, NULL, MCT_NONE },
};
/* prototypes */
static ModemPlugin * _sofia_init(ModemPluginHelper * helper);
static void _sofia_destroy(ModemPlugin * modem);
static int _sofia_start(ModemPlugin * modem, unsigned int retry);
static int _sofia_stop(ModemPlugin * modem);
static int _sofia_request(ModemPlugin * modem, ModemRequest * request);
/* callbacks */
static void _sofia_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[]);
/* public */
/* variables */
ModemPluginDefinition plugin =
{
"Sofia",
NULL,
_sofia_config,
_sofia_init,
_sofia_destroy,
_sofia_start,
_sofia_stop,
_sofia_request,
NULL
};
/* private */
/* functions */
/* sofia_init */
static ModemPlugin * _sofia_init(ModemPluginHelper * helper)
{
Sofia * sofia;
GSource * gsource;
if((sofia = object_new(sizeof(*sofia))) == NULL)
return NULL;
memset(sofia, 0, sizeof(*sofia));
sofia->helper = helper;
su_init();
su_home_init(sofia->home);
if((sofia->root = su_glib_root_create(NULL)) == NULL)
{
_sofia_destroy(sofia);
return NULL;
}
gsource = su_glib_root_gsource(sofia->root);
sofia->source = g_source_attach(gsource, g_main_context_default());
return sofia;
}
/* sofia_destroy */
static void _sofia_destroy(ModemPlugin * modem)
{
Sofia * sofia = modem;
_sofia_stop(modem);
if(sofia->source != 0)
g_source_remove(sofia->source);
sofia->source = 0;
su_root_destroy(sofia->root);
su_home_deinit(sofia->home);
su_deinit();
object_delete(sofia);
}
/* sofia_start */
static int _sofia_start(ModemPlugin * modem, unsigned int retry)
{
Sofia * sofia = modem;
ModemPluginHelper * helper = sofia->helper;
char const * username;
char const * fullname;
url_string_t us;
char const * s;
url_t * url;
sip_from_t * from;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
if(sofia->nua != NULL) /* already started */
return 0;
if((sofia->nua = nua_create(sofia->root, _sofia_callback, modem,
NUTAG_URL("sip:0.0.0.0:5060"),
TAG_END())) == NULL)
return -1;
/* username */
username = helper->config_get(helper->modem, "username");
fullname = helper->config_get(helper->modem, "fullname");
/* registrar */
s = helper->config_get(helper->modem, "registrar_hostname");
url = url_make(sofia->home, s);
nua_set_params(sofia->nua, NUTAG_REGISTRAR(url), TAG_END());
s = helper->config_get(helper->modem, "registrar_username");
/* XXX url_make() doesn't prefix with the protocol */
snprintf(us.us_str, sizeof(us.us_str), "%s%s", "sip:", s);
url = url_make(sofia->home, us.us_str);
us.us_url[0] = *url;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() sip_from_create(\"%s\")\n", __func__,
us.us_str);
#endif
from = sip_from_create(sofia->home, &us);
/* proxy */
if((s = helper->config_get(helper->modem, "proxy_hostname")) != NULL)
{
url = url_make(sofia->home, s);
nua_set_params(sofia->nua, NUTAG_PROXY(url), TAG_END());
}
if((sofia->handle = nua_handle(sofia->nua, modem, TAG_END())) == NULL)
return -helper->error(helper->modem,
"Cannot create operation handle", 1);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() nua_register(\"%s\", \"%s\", \"%s\")\n",
__func__, username, fullname, us.us_str);
#endif
nua_register(sofia->handle, NUTAG_M_USERNAME(username),
NUTAG_M_DISPLAY(fullname), SIPTAG_FROM(from),
TAG_END());
return 0;
}
/* sofia_stop */
static void _stop_handle(nua_handle_t ** handle);
static int _sofia_stop(ModemPlugin * modem)
{
Sofia * sofia = modem;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s()\n", __func__);
#endif
_stop_handle(&sofia->handle);
if(sofia->nua != NULL)
{
nua_shutdown(sofia->nua);
su_root_run(sofia->root);
nua_destroy(sofia->nua);
}
sofia->nua = NULL;
return 0;
}
static void _stop_handle(nua_handle_t ** handle)
{
if(*handle == NULL)
return;
nua_handle_destroy(*handle);
*handle = NULL;
}
/* sofia_request */
static int _request_call(ModemPlugin * modem, ModemRequest * request);
static int _request_message_send(ModemPlugin * modem, ModemRequest * request);
static int _sofia_request(ModemPlugin * modem, ModemRequest * request)
{
switch(request->type)
{
case MODEM_REQUEST_CALL:
return _request_call(modem, request);
case MODEM_REQUEST_MESSAGE_SEND:
return _request_message_send(modem, request);
#ifndef DEBUG
default:
break;
#endif
}
return 0;
}
static int _request_call(ModemPlugin * modem, ModemRequest * request)
{
Sofia * sofia = modem;
url_t * url;
url_string_t us;
sip_to_t * to;
if(sofia->handle == NULL || nua_handle_has_active_call(sofia->handle))
/* FIXME report error, keep track, allow multiple */
return -1;
if((url = url_make(sofia->home, request->call.number)) == NULL)
return -1;
us.us_url[0] = *url;
if((to = sip_to_create(NULL, &us)) == NULL)
return -1; /* XXX free url */
to->a_display = request->call.number;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() nua_invite(\"%s\")\n", __func__,
us.us_str);
#endif
nua_invite(sofia->handle, SIPTAG_TO(to), TAG_END());
/* FIXME free url? more? */
return 0;
}
static int _request_message_send(ModemPlugin * modem, ModemRequest * request)
{
Sofia * sofia = modem;
url_string_t us;
if(sofia->handle == NULL)
/* FIXME report error */
return -1;
snprintf(us.us_str, sizeof(us.us_str), "%s%s", "sip:",
request->message_send.number);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() \"%s\"\n", __func__, us.us_str);
#endif
nua_message(sofia->handle,
NUTAG_URL(&us),
SIPTAG_CONTENT_TYPE_STR("text/plain"),
SIPTAG_PAYLOAD_STR(request->message_send.content),
TAG_END());
return 0;
}
/* callbacks */
/* sofia_callback */
static void _callback_register(ModemPlugin * modem, int status,
char const * phrase, nua_handle_t * nh, sip_t const * sip,
tagi_t tags[]);
static void _sofia_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[])
{
ModemPlugin * modem = magic;
Sofia * sofia = modem;
ModemEvent mevent;
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s(%u)\n", __func__, event);
#endif
switch(event)
{
case nua_i_error:
/* FIXME report error */
fprintf(stderr, "i_error %03d %s\n", status, phrase);
break;
case nua_i_notify:
/* FIXME report event */
fprintf(stderr, "i_notify %03d %s\n", status, phrase);
break;
case nua_i_state:
/* FIXME report event */
fprintf(stderr, "i_state %03d %s\n", status, phrase);
break;
case nua_i_terminated:
memset(&mevent, 0, sizeof(mevent));
mevent.type = MODEM_EVENT_TYPE_CALL;
/* FIXME also remember the other fields */
mevent.call.status = MODEM_CALL_STATUS_NONE;
modem->helper->event(modem->helper->modem, &mevent);
break;
case nua_r_invite:
memset(&mevent, 0, sizeof(mevent));
mevent.type = MODEM_EVENT_TYPE_CALL;
mevent.call.call_type = MODEM_CALL_TYPE_VOICE;
mevent.call.direction = MODEM_CALL_DIRECTION_OUTGOING;
if(status == 200)
{
mevent.call.status = MODEM_CALL_STATUS_RINGING;
nua_ack(nh, TAG_END());
}
else
{
mevent.call.status = MODEM_CALL_STATUS_NONE;
/* FIXME report error */
fprintf(stderr, "r_invite %03d %s\n", status,
phrase);
}
modem->helper->event(modem->helper->modem, &mevent);
break;
case nua_r_message:
/* FIXME report event */
fprintf(stderr, "r_message %03d %s\n", status, phrase);
break;
case nua_r_register:
_callback_register(modem, status, phrase, nh, sip,
tags);
break;
case nua_r_set_params:
if(status == 200)
break;
/* FIXME implement */
fprintf(stderr, "r_set_params %03d %s\n", status,
phrase);
break;
case nua_r_shutdown:
/* exit the background loop when ready */
if(status == 200)
su_root_break(sofia->root);
break;
default:
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() %s%d%s: %03d \"%s\"\n",
__func__, "event ", event,
" not handled: ", status, phrase);
#endif
break;
}
}
static void _callback_register(ModemPlugin * modem, int status,
char const * phrase, nua_handle_t * nh, sip_t const * sip,
tagi_t tags[])
{
Sofia * sofia = modem;
ModemPluginHelper * helper = sofia->helper;
ModemEvent mevent;
sip_www_authenticate_t const * wa = sip->sip_www_authenticate;
char const * username;
char const * password;
char const * scheme;
char const * realm;
char * authstring;
memset(&mevent, 0, sizeof(mevent));
mevent.type = MODEM_EVENT_TYPE_REGISTRATION;
mevent.registration.mode = MODEM_REGISTRATION_MODE_AUTOMATIC;
mevent.registration.status = MODEM_REGISTRATION_STATUS_UNKNOWN;
if(status == 200)
mevent.registration.status
= MODEM_REGISTRATION_STATUS_REGISTERED;
else if(status == 401 || status == 405)
{
mevent.registration.status
= MODEM_REGISTRATION_STATUS_SEARCHING;
tl_gets(tags, SIPTAG_WWW_AUTHENTICATE_REF(wa), TAG_NULL());
username = helper->config_get(helper->modem,
"registrar_username");
password = helper->config_get(helper->modem,
"registrar_password");
if(wa != NULL && username != NULL && password != NULL)
{
scheme = wa->au_scheme;
realm = msg_params_find(wa->au_params, "realm=");
authstring = su_sprintf(sofia->home, "%s:%s:%s:%s",
scheme, realm, username, password);
#ifdef DEBUG
fprintf(stderr, "DEBUG: %s() authstring=\"%s\"\n",
__func__, authstring);
#endif
nua_authenticate(nh, NUTAG_AUTH(authstring), TAG_END());
su_free(sofia->home, authstring);
}
}
else if(status == 403)
mevent.registration.status = MODEM_REGISTRATION_STATUS_DENIED;
else if(status >= 400 && status <= 499)
mevent.registration.status
= MODEM_REGISTRATION_STATUS_NOT_SEARCHING;
modem->helper->event(modem->helper->modem, &mevent);
/* FIXME report errors */
fprintf(stderr, "r_register %03d %s\n", status, phrase);
}