linphone_tunnel.cc 14.9 KB
Newer Older
Guillaume Beraudo's avatar
Guillaume Beraudo committed
1
/***************************************************************************
jehan's avatar
jehan committed
2
 *            linphone_tunnel.cc
Guillaume Beraudo's avatar
Guillaume Beraudo committed
3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26
 *
 *  Fri Dec 9, 2011
 *  Copyright  2011  Belledonne Communications
 *  Author: Guillaume Beraudo
 *  Email: guillaume dot beraudo at linphone dot org
 ****************************************************************************/

/*
 *  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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include "TunnelManager.hh"
27
#include "linphone/tunnel.h"
28
#include "linphone/core.h"
Guillaume Beraudo's avatar
Guillaume Beraudo committed
29
#include "private.h"
30
#include "linphone/lpconfig.h"
31
#include "c-wrapper/c-wrapper.h"
Guillaume Beraudo's avatar
Guillaume Beraudo committed
32

33
LinphoneTunnel* linphone_core_get_tunnel(const LinphoneCore *lc){
34 35 36
	return lc->tunnel;
}

37
struct _LinphoneTunnel {
38
	::belle_sip_object_t base;
39
	belledonnecomm::TunnelManager *manager;
40
	bctbx_list_t *config_list;
41 42
};

43 44 45
static void _linphone_tunnel_uninit(LinphoneTunnel *tunnel);

BELLE_SIP_DECLARE_NO_IMPLEMENTED_INTERFACES(LinphoneTunnel);
46
BELLE_SIP_DECLARE_VPTR_NO_EXPORT(LinphoneTunnel);
47 48 49 50 51
BELLE_SIP_INSTANCIATE_VPTR(LinphoneTunnel, belle_sip_object_t,
	_linphone_tunnel_uninit, // uninit
	NULL, // clone
	NULL, // marshal
	FALSE // unowned
52
);
53

54
extern "C" LinphoneTunnel* linphone_core_tunnel_new(LinphoneCore *lc){
55
	LinphoneTunnel* tunnel = belle_sip_object_new(LinphoneTunnel);
56
	tunnel->manager = new belledonnecomm::TunnelManager(lc);
Guillaume Beraudo's avatar
Guillaume Beraudo committed
57 58 59
	return tunnel;
}

60 61 62 63 64
static void _linphone_tunnel_uninit(LinphoneTunnel *tunnel) {
	delete tunnel->manager;
	bctbx_list_free_with_data(tunnel->config_list, (bctbx_list_free_func)linphone_tunnel_config_unref);
}

65
belledonnecomm::TunnelManager *bcTunnel(const LinphoneTunnel *tunnel){
66
	return tunnel->manager;
Guillaume Beraudo's avatar
Guillaume Beraudo committed
67 68
}

69
static inline _LpConfig *config(const LinphoneTunnel *tunnel){
70
	return tunnel->manager->getLinphoneCore()->config;
71 72
}

73 74 75
LinphoneTunnel *linphone_tunnel_ref(LinphoneTunnel *tunnel) {
	return (LinphoneTunnel *)belle_sip_object_ref(tunnel);
}
76

77 78
void linphone_tunnel_unref(LinphoneTunnel *tunnel) {
	belle_sip_object_unref(tunnel);
Guillaume Beraudo's avatar
Guillaume Beraudo committed
79 80
}

81 82
static char *linphone_tunnel_config_to_string(const LinphoneTunnelConfig *tunnel_config) {
	char *str = NULL;
83
	const char *host = linphone_tunnel_config_get_host(tunnel_config);
84
	const char *host2 = linphone_tunnel_config_get_host2(tunnel_config);
85 86
	if(host != NULL) {
		if(linphone_tunnel_config_get_remote_udp_mirror_port(tunnel_config) != -1) {
87 88 89 90 91 92 93 94 95 96 97 98 99 100 101
			if (host2 != NULL) {
				str = ms_strdup_printf("%s:%d:%d:%d/%s:%d",
									linphone_tunnel_config_get_host(tunnel_config),
									linphone_tunnel_config_get_port(tunnel_config),
									linphone_tunnel_config_get_remote_udp_mirror_port(tunnel_config),
									linphone_tunnel_config_get_delay(tunnel_config),
									linphone_tunnel_config_get_host2(tunnel_config),
									linphone_tunnel_config_get_port2(tunnel_config));
			} else {
				str = ms_strdup_printf("%s:%d:%d:%d",
									linphone_tunnel_config_get_host(tunnel_config),
									linphone_tunnel_config_get_port(tunnel_config),
									linphone_tunnel_config_get_remote_udp_mirror_port(tunnel_config),
									linphone_tunnel_config_get_delay(tunnel_config));
			}
102 103 104 105 106 107
		} else if (host2 != NULL) {
			str = ms_strdup_printf("%s:%d/%s:%d",
								   linphone_tunnel_config_get_host(tunnel_config),
								   linphone_tunnel_config_get_port(tunnel_config),
								   linphone_tunnel_config_get_host2(tunnel_config),
								   linphone_tunnel_config_get_port2(tunnel_config));
108 109 110 111 112
		} else {
			str = ms_strdup_printf("%s:%d",
								   linphone_tunnel_config_get_host(tunnel_config),
								   linphone_tunnel_config_get_port(tunnel_config));
		}
113 114 115 116 117 118 119 120 121 122 123 124 125
	}
	return str;
}

static LinphoneTunnelConfig *linphone_tunnel_config_from_string(const char *str) {
	LinphoneTunnelConfig *tunnel_config = NULL;
	char * dstr = ms_strdup(str);
	const char *host = NULL;
	int port = -1;
	int remote_udp_mirror_port = -1;
	int delay = -1;
	int pos = 0;
	char *pch;
126 127 128 129 130 131
	char *tok1, *tok2;
	tok1 = strtok(dstr, "/");
	tok2 = strtok(NULL, "/");
	
	pch = strtok(tok1, ":");
	while (pch != NULL) {
132 133 134 135 136 137 138 139 140 141 142 143
		switch(pos) {
		case 0:
			host = pch;
			break;
		case 1:
			port = atoi(pch);
			break;
		case 2:
			remote_udp_mirror_port = atoi(pch);
			break;
		case 3:
			delay = atoi(pch);
144
			break;
145 146 147 148
		default:
			// Abort
			pos = 0;
			break;
149

150 151 152 153
		}
		++pos;
		pch = strtok(NULL, ":");
	}
154
	if (pos >= 2) {
155
		tunnel_config = linphone_tunnel_config_new();
156
		linphone_tunnel_config_set_remote_udp_mirror_port(tunnel_config, -1);
157 158 159
		linphone_tunnel_config_set_host(tunnel_config, host);
		linphone_tunnel_config_set_port(tunnel_config, port);
	}
160
	if (pos >= 3) {
161 162
		linphone_tunnel_config_set_remote_udp_mirror_port(tunnel_config, remote_udp_mirror_port);
	}
163
	if (pos == 4) {
164 165
		linphone_tunnel_config_set_delay(tunnel_config, delay);
	}
166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198
	
	if (tok2) {
		pos = 0;
		pch = strtok(tok2, ":");
		while (pch != NULL) {
			switch(pos) {
			case 0:
				host = pch;
				break;
			case 1:
				port = atoi(pch);
				break;
			case 2:
				remote_udp_mirror_port = atoi(pch);
				break;
			case 3:
				delay = atoi(pch);
				break;
			default:
				// Abort
				pos = 0;
				break;

			}
			++pos;
			pch = strtok(NULL, ":");
		}
		if (pos >= 2 && tunnel_config) {
			linphone_tunnel_config_set_host2(tunnel_config, host);
			linphone_tunnel_config_set_port2(tunnel_config, port);
		}
	}
	
199
	ms_free(dstr);
200
	return tunnel_config;
Guillaume Beraudo's avatar
Guillaume Beraudo committed
201 202
}

203

204
static void linphone_tunnel_save_config(const LinphoneTunnel *tunnel) {
205
	bctbx_list_t *elem = NULL;
206
	char *tmp = NULL, *old_tmp = NULL, *tc_str = NULL;
207
	for(elem = tunnel->config_list; elem != NULL; elem = elem->next) {
208 209
		LinphoneTunnelConfig *tunnel_config = (LinphoneTunnelConfig *)elem->data;
		tc_str = linphone_tunnel_config_to_string(tunnel_config);
210 211 212 213 214 215 216 217 218
		if(tc_str != NULL) {
			if(tmp != NULL) {
				old_tmp = tmp;
				tmp = ms_strdup_printf("%s %s", old_tmp, tc_str);
				ms_free(old_tmp);
				ms_free(tc_str);
			} else {
				tmp = tc_str;
			}
219 220 221 222 223 224 225 226 227 228
		}
	}
	lp_config_set_string(config(tunnel), "tunnel", "server_addresses", tmp);
	if(tmp != NULL) {
		ms_free(tmp);
	}
}


static void linphone_tunnel_add_server_intern(LinphoneTunnel *tunnel, LinphoneTunnelConfig *tunnel_config) {
229 230 231 232 233 234
	if (linphone_tunnel_config_get_remote_udp_mirror_port(tunnel_config) != -1) {
		if (linphone_tunnel_config_get_host2(tunnel_config) != NULL) {
			bcTunnel(tunnel)->addServerPair(linphone_tunnel_config_get_host(tunnel_config),
				linphone_tunnel_config_get_port(tunnel_config),
				linphone_tunnel_config_get_host2(tunnel_config),
				linphone_tunnel_config_get_port2(tunnel_config),
235 236
				(unsigned int)linphone_tunnel_config_get_remote_udp_mirror_port(tunnel_config),
				(unsigned int)linphone_tunnel_config_get_delay(tunnel_config));
237 238 239
		} else {
			bcTunnel(tunnel)->addServer(linphone_tunnel_config_get_host(tunnel_config),
				linphone_tunnel_config_get_port(tunnel_config),
240 241
				(unsigned int)linphone_tunnel_config_get_remote_udp_mirror_port(tunnel_config),
				(unsigned int)linphone_tunnel_config_get_delay(tunnel_config));
242
		}
243 244 245 246 247 248 249 250
	} else if (linphone_tunnel_config_get_host2(tunnel_config) != NULL) {
		bcTunnel(tunnel)->addServerPair(linphone_tunnel_config_get_host(tunnel_config),
			linphone_tunnel_config_get_port(tunnel_config),
			linphone_tunnel_config_get_host2(tunnel_config),
			linphone_tunnel_config_get_port2(tunnel_config));
	} else {
		bcTunnel(tunnel)->addServer(linphone_tunnel_config_get_host(tunnel_config),
			linphone_tunnel_config_get_port(tunnel_config));
251
	}
252
	tunnel->config_list = bctbx_list_append(tunnel->config_list, linphone_tunnel_config_ref(tunnel_config));
Guillaume Beraudo's avatar
Guillaume Beraudo committed
253 254
}

255 256 257

static void linphone_tunnel_load_config(LinphoneTunnel *tunnel){
	const char * confaddress = lp_config_get_string(config(tunnel), "tunnel", "server_addresses", NULL);
258
	char *tmp;
259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278
	const char *it;
	LinphoneTunnelConfig *tunnel_config;
	int adv;
	if(confaddress != NULL) {
		tmp = ms_strdup(confaddress);
		it = confaddress;
		while(confaddress[0] != '\0') {
			int ret = sscanf(it,"%s%n", tmp, &adv);
			if (ret >= 1){
				it += adv;
				tunnel_config = linphone_tunnel_config_from_string(tmp);
				if(tunnel_config != NULL) {
					linphone_tunnel_add_server_intern(tunnel, tunnel_config);
				} else {
					ms_error("Tunnel server address incorrectly specified from config file: %s", tmp);
				}
			} else break;
		}
		ms_free(tmp);
	}
279 280
}

281
static void linphone_tunnel_refresh_config(LinphoneTunnel *tunnel) {
282
	bctbx_list_t *old_list = tunnel->config_list;
283 284 285 286 287
	tunnel->config_list = NULL;
	bcTunnel(tunnel)->cleanServers();
	while(old_list != NULL) {
		LinphoneTunnelConfig *tunnel_config = (LinphoneTunnelConfig *)old_list->data;
		linphone_tunnel_add_server_intern(tunnel, tunnel_config);
288
		linphone_tunnel_config_unref(tunnel_config);
289 290
		old_list = old_list->next;
	}
291 292
}

293 294 295
void linphone_tunnel_add_server(LinphoneTunnel *tunnel, LinphoneTunnelConfig *tunnel_config) {
	linphone_tunnel_add_server_intern(tunnel, tunnel_config);
	linphone_tunnel_save_config(tunnel);
Guillaume Beraudo's avatar
Guillaume Beraudo committed
296 297
}

298
void linphone_tunnel_remove_server(LinphoneTunnel *tunnel, LinphoneTunnelConfig *tunnel_config) {
299
	bctbx_list_t *elem = bctbx_list_find(tunnel->config_list, tunnel_config);
300
	if(elem != NULL) {
301
		tunnel->config_list = bctbx_list_remove(tunnel->config_list, tunnel_config);
302
		linphone_tunnel_config_unref(tunnel_config);
303 304
		linphone_tunnel_refresh_config(tunnel);
		linphone_tunnel_save_config(tunnel);
305
	}
306 307
}

308
const bctbx_list_t *linphone_tunnel_get_servers(const LinphoneTunnel *tunnel){
309
	return tunnel->config_list;
Guillaume Beraudo's avatar
Guillaume Beraudo committed
310 311
}

312
void linphone_tunnel_clean_servers(LinphoneTunnel *tunnel){
Guillaume Beraudo's avatar
Guillaume Beraudo committed
313
	bcTunnel(tunnel)->cleanServers();
314

315
	/* Free the list */
316
	bctbx_list_free_with_data(tunnel->config_list, (void (*)(void *))linphone_tunnel_config_destroy);
317 318
	tunnel->config_list = NULL;

319
	linphone_tunnel_save_config(tunnel);
Guillaume Beraudo's avatar
Guillaume Beraudo committed
320 321
}

322
void linphone_tunnel_set_mode(LinphoneTunnel *tunnel, LinphoneTunnelMode mode){
323
	lp_config_set_string(config(tunnel),"tunnel","mode", linphone_tunnel_mode_to_string(mode));
324
	bcTunnel(tunnel)->setMode(mode);
Guillaume Beraudo's avatar
Guillaume Beraudo committed
325 326
}

327 328
LinphoneTunnelMode linphone_tunnel_get_mode(const LinphoneTunnel *tunnel){
	return bcTunnel(tunnel)->getMode();
Guillaume Beraudo's avatar
Guillaume Beraudo committed
329 330
}

331
void linphone_tunnel_enable_dual_mode(LinphoneTunnel *tunnel, bool_t dual_mode_enabled) {
332
	lp_config_set_int(config(tunnel), "tunnel", "dual_mode", (dual_mode_enabled ? TRUE : FALSE));
333 334 335
	bcTunnel(tunnel)->enableDualMode(dual_mode_enabled);
}

336
bool_t linphone_tunnel_dual_mode_enabled(const LinphoneTunnel *tunnel) {
337 338 339
	return bcTunnel(tunnel)->isDualModeEnabled();
}

340
bool_t linphone_tunnel_connected(const LinphoneTunnel *tunnel){
341
	return bcTunnel(tunnel)->isConnected();
342 343
}

344 345 346 347
bool_t linphone_tunnel_get_activated(const LinphoneTunnel *tunnel){
	return bcTunnel(tunnel)->isActivated();
}

348
void linphone_tunnel_set_http_proxy_auth_info(LinphoneTunnel *tunnel, const char* username,const char* passwd){
349 350 351
	bcTunnel(tunnel)->setHttpProxyAuthInfo(username, passwd);
}

352 353
void linphone_tunnel_set_http_proxy(LinphoneTunnel*tunnel, const char *host, int port, const char* username,const char* passwd){
	bcTunnel(tunnel)->setHttpProxy(host, port, username, passwd);
354 355 356 357 358 359 360 361 362 363 364
	lp_config_set_string(config(tunnel),"tunnel","http_proxy_host",host);
	lp_config_set_int(config(tunnel),"tunnel","http_proxy_port",port);
	lp_config_set_string(config(tunnel),"tunnel","http_proxy_username",username);
	lp_config_set_string(config(tunnel),"tunnel","http_proxy_password",passwd);
}

void linphone_tunnel_get_http_proxy(LinphoneTunnel*tunnel,const char **host, int *port, const char **username, const char **passwd){
	if (host) *host=lp_config_get_string(config(tunnel),"tunnel","http_proxy_host",NULL);
	if (port) *port=lp_config_get_int(config(tunnel),"tunnel","http_proxy_port",0);
	if (username) *username=lp_config_get_string(config(tunnel),"tunnel","http_proxy_username",NULL);
	if (passwd) *passwd=lp_config_get_string(config(tunnel),"tunnel","http_proxy_password",NULL);
365 366
}

367
void linphone_tunnel_reconnect(LinphoneTunnel *tunnel){
368 369 370
	bcTunnel(tunnel)->reconnect();
}

371
void linphone_tunnel_enable_sip(LinphoneTunnel *tunnel, bool_t enable) {
372
	bcTunnel(tunnel)->tunnelizeSipPackets(enable == FALSE ? false : true);
373
	lp_config_set_int(config(tunnel), "tunnel", "sip", (enable ? TRUE : FALSE));
374 375
}

376
bool_t linphone_tunnel_sip_enabled(const LinphoneTunnel *tunnel) {
377 378 379
	return bcTunnel(tunnel)->tunnelizeSipPacketsEnabled() ? TRUE : FALSE;
}

380
void linphone_tunnel_verify_server_certificate(LinphoneTunnel *tunnel, bool_t enable) {
381
	bcTunnel(tunnel)->verifyServerCertificate(enable == FALSE ? false : true);
382
	lp_config_set_int(config(tunnel), "tunnel", "verify_cert", (enable ? TRUE : FALSE));
383 384 385 386 387 388
}

bool_t linphone_tunnel_verify_server_certificate_enabled(const LinphoneTunnel *tunnel) {
	return bcTunnel(tunnel)->verifyServerCertificateEnabled() ? TRUE : FALSE;
}

389

390
/**
391 392
 * Startup tunnel using configuration.
 * Called internally from linphonecore at startup.
393
 */
394
void linphone_tunnel_configure(LinphoneTunnel *tunnel){
395
	LinphoneTunnelMode mode = linphone_tunnel_mode_from_string(lp_config_get_string(config(tunnel), "tunnel", "mode", NULL));
396
	bool_t tunnelizeSIPPackets = (bool_t)lp_config_get_int(config(tunnel), "tunnel", "sip", TRUE);
397
	bool_t tunnelVerifyServerCertificate = (bool_t)lp_config_get_int(config(tunnel), "tunnel", "verify_cert", FALSE);
398
	bool_t useDualMode = (bool_t)lp_config_get_int(config(tunnel), "tunnel", "dual_mode", FALSE);
399 400 401 402 403
	const char *http_host, *http_username, *http_passwd;
	int http_port;
	linphone_tunnel_get_http_proxy(tunnel,&http_host, &http_port, &http_username, &http_passwd);
	bcTunnel(tunnel)->setHttpProxy(http_host, http_port, http_username, http_passwd);
	
404
	linphone_tunnel_enable_dual_mode(tunnel, useDualMode);
405
	linphone_tunnel_load_config(tunnel);
406
	linphone_tunnel_enable_sip(tunnel, tunnelizeSIPPackets);
407
	linphone_tunnel_verify_server_certificate(tunnel, tunnelVerifyServerCertificate);
408
	
409 410 411
	/*Tunnel is started here if mode equals true*/
	linphone_tunnel_set_mode(tunnel, mode);

412 413 414 415
}

/* Deprecated functions */
void linphone_tunnel_enable(LinphoneTunnel *tunnel, bool_t enabled) {
416
	ms_warning("linphone_tunnel_enable is deprecated - please use linphone_tunnel_set_mode instead.");
417 418 419 420 421 422 423 424 425 426 427 428 429 430
	if(enabled) linphone_tunnel_set_mode(tunnel, LinphoneTunnelModeEnable);
	else linphone_tunnel_set_mode(tunnel, LinphoneTunnelModeDisable);
}

bool_t linphone_tunnel_enabled(const LinphoneTunnel *tunnel) {
	return linphone_tunnel_get_mode(tunnel) == LinphoneTunnelModeEnable;
}

void linphone_tunnel_auto_detect(LinphoneTunnel *tunnel) {
	linphone_tunnel_set_mode(tunnel, LinphoneTunnelModeAuto);
}

bool_t linphone_tunnel_auto_detect_enabled(LinphoneTunnel *tunnel) {
	return linphone_tunnel_get_mode(tunnel) == LinphoneTunnelModeAuto;
431
}
432 433

void linphone_tunnel_simulate_udp_loss(LinphoneTunnel *tunnel, bool_t enabled) {
434
	bcTunnel(tunnel)->simulateUdpLoss(enabled == FALSE ? false : true);
435
}