diff options
Diffstat (limited to 'src/nat-auto/gnunet-service-nat-auto.c')
-rw-r--r-- | src/nat-auto/gnunet-service-nat-auto.c | 327 |
1 files changed, 163 insertions, 164 deletions
diff --git a/src/nat-auto/gnunet-service-nat-auto.c b/src/nat-auto/gnunet-service-nat-auto.c index 0b2995441..199a759ea 100644 --- a/src/nat-auto/gnunet-service-nat-auto.c +++ b/src/nat-auto/gnunet-service-nat-auto.c | |||
@@ -1,19 +1,19 @@ | |||
1 | /* | 1 | /* |
2 | This file is part of GNUnet. | 2 | This file is part of GNUnet. |
3 | Copyright (C) 2016, 2017 GNUnet e.V. | 3 | Copyright (C) 2016, 2017 GNUnet e.V. |
4 | 4 | ||
5 | GNUnet is free software: you can redistribute it and/or modify it | 5 | GNUnet is free software: you can redistribute it and/or modify it |
6 | under the terms of the GNU Affero General Public License as published | 6 | under the terms of the GNU Affero General Public License as published |
7 | by the Free Software Foundation, either version 3 of the License, | 7 | by the Free Software Foundation, either version 3 of the License, |
8 | or (at your option) any later version. | 8 | or (at your option) any later version. |
9 | 9 | ||
10 | GNUnet is distributed in the hope that it will be useful, but | 10 | GNUnet is distributed in the hope that it will be useful, but |
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | 11 | WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Affero General Public License for more details. | 13 | Affero General Public License for more details. |
14 | 14 | ||
15 | You should have received a copy of the GNU Affero General Public License | 15 | You should have received a copy of the GNU Affero General Public License |
16 | along with this program. If not, see <http://www.gnu.org/licenses/>. | 16 | along with this program. If not, see <http://www.gnu.org/licenses/>. |
17 | 17 | ||
18 | SPDX-License-Identifier: AGPL3.0-or-later | 18 | SPDX-License-Identifier: AGPL3.0-or-later |
19 | */ | 19 | */ |
@@ -45,15 +45,13 @@ | |||
45 | /** | 45 | /** |
46 | * How long do we wait until we forcefully terminate autoconfiguration? | 46 | * How long do we wait until we forcefully terminate autoconfiguration? |
47 | */ | 47 | */ |
48 | #define AUTOCONFIG_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5) | 48 | #define AUTOCONFIG_TIMEOUT GNUNET_TIME_relative_multiply(GNUNET_TIME_UNIT_SECONDS, 5) |
49 | 49 | ||
50 | 50 | ||
51 | /** | 51 | /** |
52 | * Internal data structure we track for each of our clients. | 52 | * Internal data structure we track for each of our clients. |
53 | */ | 53 | */ |
54 | struct ClientHandle | 54 | struct ClientHandle { |
55 | { | ||
56 | |||
57 | /** | 55 | /** |
58 | * Kept in a DLL. | 56 | * Kept in a DLL. |
59 | */ | 57 | */ |
@@ -79,8 +77,7 @@ struct ClientHandle | |||
79 | /** | 77 | /** |
80 | * Context for autoconfiguration operations. | 78 | * Context for autoconfiguration operations. |
81 | */ | 79 | */ |
82 | struct AutoconfigContext | 80 | struct AutoconfigContext { |
83 | { | ||
84 | /** | 81 | /** |
85 | * Kept in a DLL. | 82 | * Kept in a DLL. |
86 | */ | 83 | */ |
@@ -170,8 +167,8 @@ static struct GNUNET_STATISTICS_Handle *stats; | |||
170 | * @return #GNUNET_OK if message is well-formed | 167 | * @return #GNUNET_OK if message is well-formed |
171 | */ | 168 | */ |
172 | static int | 169 | static int |
173 | check_autoconfig_request (void *cls, | 170 | check_autoconfig_request(void *cls, |
174 | const struct GNUNET_NAT_AUTO_AutoconfigRequestMessage *message) | 171 | const struct GNUNET_NAT_AUTO_AutoconfigRequestMessage *message) |
175 | { | 172 | { |
176 | return GNUNET_OK; /* checked later */ | 173 | return GNUNET_OK; /* checked later */ |
177 | } | 174 | } |
@@ -183,13 +180,13 @@ check_autoconfig_request (void *cls, | |||
183 | * @param ac autoconfiguration to terminate activities for | 180 | * @param ac autoconfiguration to terminate activities for |
184 | */ | 181 | */ |
185 | static void | 182 | static void |
186 | terminate_ac_activities (struct AutoconfigContext *ac) | 183 | terminate_ac_activities(struct AutoconfigContext *ac) |
187 | { | 184 | { |
188 | if (NULL != ac->timeout_task) | 185 | if (NULL != ac->timeout_task) |
189 | { | 186 | { |
190 | GNUNET_SCHEDULER_cancel (ac->timeout_task); | 187 | GNUNET_SCHEDULER_cancel(ac->timeout_task); |
191 | ac->timeout_task = NULL; | 188 | ac->timeout_task = NULL; |
192 | } | 189 | } |
193 | } | 190 | } |
194 | 191 | ||
195 | 192 | ||
@@ -200,7 +197,7 @@ terminate_ac_activities (struct AutoconfigContext *ac) | |||
200 | * @param cls the `struct AutoconfigContext` to conclude | 197 | * @param cls the `struct AutoconfigContext` to conclude |
201 | */ | 198 | */ |
202 | static void | 199 | static void |
203 | conclude_autoconfig_request (void *cls) | 200 | conclude_autoconfig_request(void *cls) |
204 | { | 201 | { |
205 | struct AutoconfigContext *ac = cls; | 202 | struct AutoconfigContext *ac = cls; |
206 | struct ClientHandle *ch = ac->ch; | 203 | struct ClientHandle *ch = ac->ch; |
@@ -211,34 +208,34 @@ conclude_autoconfig_request (void *cls) | |||
211 | struct GNUNET_CONFIGURATION_Handle *diff; | 208 | struct GNUNET_CONFIGURATION_Handle *diff; |
212 | 209 | ||
213 | ac->timeout_task = NULL; | 210 | ac->timeout_task = NULL; |
214 | terminate_ac_activities (ac); | 211 | terminate_ac_activities(ac); |
215 | 212 | ||
216 | /* Send back response */ | 213 | /* Send back response */ |
217 | diff = GNUNET_CONFIGURATION_get_diff (ac->orig, | 214 | diff = GNUNET_CONFIGURATION_get_diff(ac->orig, |
218 | ac->c); | 215 | ac->c); |
219 | buf = GNUNET_CONFIGURATION_serialize (diff, | 216 | buf = GNUNET_CONFIGURATION_serialize(diff, |
220 | &c_size); | 217 | &c_size); |
221 | GNUNET_CONFIGURATION_destroy (diff); | 218 | GNUNET_CONFIGURATION_destroy(diff); |
222 | env = GNUNET_MQ_msg_extra (arm, | 219 | env = GNUNET_MQ_msg_extra(arm, |
223 | c_size, | 220 | c_size, |
224 | GNUNET_MESSAGE_TYPE_NAT_AUTO_CFG_RESULT); | 221 | GNUNET_MESSAGE_TYPE_NAT_AUTO_CFG_RESULT); |
225 | arm->status_code = htonl ((uint32_t) ac->status_code); | 222 | arm->status_code = htonl((uint32_t)ac->status_code); |
226 | arm->type = htonl ((uint32_t) ac->type); | 223 | arm->type = htonl((uint32_t)ac->type); |
227 | GNUNET_memcpy (&arm[1], | 224 | GNUNET_memcpy(&arm[1], |
228 | buf, | 225 | buf, |
229 | c_size); | 226 | c_size); |
230 | GNUNET_free (buf); | 227 | GNUNET_free(buf); |
231 | GNUNET_MQ_send (ch->mq, | 228 | GNUNET_MQ_send(ch->mq, |
232 | env); | 229 | env); |
233 | 230 | ||
234 | /* clean up */ | 231 | /* clean up */ |
235 | GNUNET_CONFIGURATION_destroy (ac->orig); | 232 | GNUNET_CONFIGURATION_destroy(ac->orig); |
236 | GNUNET_CONFIGURATION_destroy (ac->c); | 233 | GNUNET_CONFIGURATION_destroy(ac->c); |
237 | GNUNET_CONTAINER_DLL_remove (ac_head, | 234 | GNUNET_CONTAINER_DLL_remove(ac_head, |
238 | ac_tail, | 235 | ac_tail, |
239 | ac); | 236 | ac); |
240 | GNUNET_free (ac); | 237 | GNUNET_free(ac); |
241 | GNUNET_SERVICE_client_continue (ch->client); | 238 | GNUNET_SERVICE_client_continue(ch->client); |
242 | } | 239 | } |
243 | 240 | ||
244 | 241 | ||
@@ -249,12 +246,12 @@ conclude_autoconfig_request (void *cls) | |||
249 | * @param ac autoconfiguation context to check | 246 | * @param ac autoconfiguation context to check |
250 | */ | 247 | */ |
251 | static void | 248 | static void |
252 | check_autoconfig_finished (struct AutoconfigContext *ac) | 249 | check_autoconfig_finished(struct AutoconfigContext *ac) |
253 | { | 250 | { |
254 | GNUNET_SCHEDULER_cancel (ac->timeout_task); | 251 | GNUNET_SCHEDULER_cancel(ac->timeout_task); |
255 | ac->timeout_task | 252 | ac->timeout_task |
256 | = GNUNET_SCHEDULER_add_now (&conclude_autoconfig_request, | 253 | = GNUNET_SCHEDULER_add_now(&conclude_autoconfig_request, |
257 | ac); | 254 | ac); |
258 | } | 255 | } |
259 | 256 | ||
260 | 257 | ||
@@ -264,26 +261,28 @@ check_autoconfig_finished (struct AutoconfigContext *ac) | |||
264 | * @param ac autoconfiguration to update | 261 | * @param ac autoconfiguration to update |
265 | */ | 262 | */ |
266 | static void | 263 | static void |
267 | update_enable_upnpc_option (struct AutoconfigContext *ac) | 264 | update_enable_upnpc_option(struct AutoconfigContext *ac) |
268 | { | 265 | { |
269 | switch (ac->enable_upnpc) | 266 | switch (ac->enable_upnpc) |
270 | { | 267 | { |
271 | case GNUNET_YES: | 268 | case GNUNET_YES: |
272 | GNUNET_CONFIGURATION_set_value_string (ac->c, | 269 | GNUNET_CONFIGURATION_set_value_string(ac->c, |
273 | "NAT", | 270 | "NAT", |
274 | "ENABLE_UPNP", | 271 | "ENABLE_UPNP", |
275 | "YES"); | 272 | "YES"); |
276 | break; | 273 | break; |
277 | case GNUNET_NO: | 274 | |
278 | GNUNET_CONFIGURATION_set_value_string (ac->c, | 275 | case GNUNET_NO: |
279 | "NAT", | 276 | GNUNET_CONFIGURATION_set_value_string(ac->c, |
280 | "ENABLE_UPNP", | 277 | "NAT", |
281 | "NO"); | 278 | "ENABLE_UPNP", |
282 | break; | 279 | "NO"); |
283 | case GNUNET_SYSERR: | 280 | break; |
284 | /* We are unsure, do not change option */ | 281 | |
285 | break; | 282 | case GNUNET_SYSERR: |
286 | } | 283 | /* We are unsure, do not change option */ |
284 | break; | ||
285 | } | ||
287 | } | 286 | } |
288 | 287 | ||
289 | 288 | ||
@@ -295,62 +294,62 @@ update_enable_upnpc_option (struct AutoconfigContext *ac) | |||
295 | * @param message the message received | 294 | * @param message the message received |
296 | */ | 295 | */ |
297 | static void | 296 | static void |
298 | handle_autoconfig_request (void *cls, | 297 | handle_autoconfig_request(void *cls, |
299 | const struct GNUNET_NAT_AUTO_AutoconfigRequestMessage *message) | 298 | const struct GNUNET_NAT_AUTO_AutoconfigRequestMessage *message) |
300 | { | 299 | { |
301 | struct ClientHandle *ch = cls; | 300 | struct ClientHandle *ch = cls; |
302 | size_t left = ntohs (message->header.size) - sizeof (*message); | 301 | size_t left = ntohs(message->header.size) - sizeof(*message); |
303 | struct AutoconfigContext *ac; | 302 | struct AutoconfigContext *ac; |
304 | 303 | ||
305 | ac = GNUNET_new (struct AutoconfigContext); | 304 | ac = GNUNET_new(struct AutoconfigContext); |
306 | ac->status_code = GNUNET_NAT_ERROR_SUCCESS; | 305 | ac->status_code = GNUNET_NAT_ERROR_SUCCESS; |
307 | ac->ch = ch; | 306 | ac->ch = ch; |
308 | ac->c = GNUNET_CONFIGURATION_create (); | 307 | ac->c = GNUNET_CONFIGURATION_create(); |
309 | if (GNUNET_OK != | 308 | if (GNUNET_OK != |
310 | GNUNET_CONFIGURATION_deserialize (ac->c, | 309 | GNUNET_CONFIGURATION_deserialize(ac->c, |
311 | (const char *) &message[1], | 310 | (const char *)&message[1], |
312 | left, | 311 | left, |
313 | NULL)) | 312 | NULL)) |
314 | { | 313 | { |
315 | GNUNET_break (0); | 314 | GNUNET_break(0); |
316 | GNUNET_SERVICE_client_drop (ch->client); | 315 | GNUNET_SERVICE_client_drop(ch->client); |
317 | GNUNET_CONFIGURATION_destroy (ac->c); | 316 | GNUNET_CONFIGURATION_destroy(ac->c); |
318 | GNUNET_free (ac); | 317 | GNUNET_free(ac); |
319 | return; | 318 | return; |
320 | } | 319 | } |
321 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | 320 | GNUNET_log(GNUNET_ERROR_TYPE_DEBUG, |
322 | "Received REQUEST_AUTO_CONFIG message from client\n"); | 321 | "Received REQUEST_AUTO_CONFIG message from client\n"); |
323 | 322 | ||
324 | GNUNET_CONTAINER_DLL_insert (ac_head, | 323 | GNUNET_CONTAINER_DLL_insert(ac_head, |
325 | ac_tail, | 324 | ac_tail, |
326 | ac); | 325 | ac); |
327 | ac->orig | 326 | ac->orig |
328 | = GNUNET_CONFIGURATION_dup (ac->c); | 327 | = GNUNET_CONFIGURATION_dup(ac->c); |
329 | ac->timeout_task | 328 | ac->timeout_task |
330 | = GNUNET_SCHEDULER_add_delayed (AUTOCONFIG_TIMEOUT, | 329 | = GNUNET_SCHEDULER_add_delayed(AUTOCONFIG_TIMEOUT, |
331 | &conclude_autoconfig_request, | 330 | &conclude_autoconfig_request, |
332 | ac); | 331 | ac); |
333 | ac->enable_upnpc = GNUNET_SYSERR; /* undecided */ | 332 | ac->enable_upnpc = GNUNET_SYSERR; /* undecided */ |
334 | 333 | ||
335 | /* Probe for upnpc */ | 334 | /* Probe for upnpc */ |
336 | if (GNUNET_SYSERR == | 335 | if (GNUNET_SYSERR == |
337 | GNUNET_OS_check_helper_binary ("upnpc", | 336 | GNUNET_OS_check_helper_binary("upnpc", |
338 | GNUNET_NO, | 337 | GNUNET_NO, |
339 | NULL)) | 338 | NULL)) |
340 | { | 339 | { |
341 | GNUNET_log (GNUNET_ERROR_TYPE_INFO, | 340 | GNUNET_log(GNUNET_ERROR_TYPE_INFO, |
342 | _("UPnP client `upnpc` command not found, disabling UPnP\n")); | 341 | _("UPnP client `upnpc` command not found, disabling UPnP\n")); |
343 | ac->enable_upnpc = GNUNET_NO; | 342 | ac->enable_upnpc = GNUNET_NO; |
344 | } | 343 | } |
345 | else | 344 | else |
346 | { | 345 | { |
347 | /* We might at some point be behind NAT, try upnpc */ | 346 | /* We might at some point be behind NAT, try upnpc */ |
348 | ac->enable_upnpc = GNUNET_YES; | 347 | ac->enable_upnpc = GNUNET_YES; |
349 | } | 348 | } |
350 | update_enable_upnpc_option (ac); | 349 | update_enable_upnpc_option(ac); |
351 | 350 | ||
352 | /* Finally, check if we are already done */ | 351 | /* Finally, check if we are already done */ |
353 | check_autoconfig_finished (ac); | 352 | check_autoconfig_finished(ac); |
354 | } | 353 | } |
355 | 354 | ||
356 | 355 | ||
@@ -360,24 +359,24 @@ handle_autoconfig_request (void *cls, | |||
360 | * @param cls unused | 359 | * @param cls unused |
361 | */ | 360 | */ |
362 | static void | 361 | static void |
363 | shutdown_task (void *cls) | 362 | shutdown_task(void *cls) |
364 | { | 363 | { |
365 | struct AutoconfigContext *ac; | 364 | struct AutoconfigContext *ac; |
366 | 365 | ||
367 | while (NULL != (ac = ac_head)) | 366 | while (NULL != (ac = ac_head)) |
368 | { | 367 | { |
369 | GNUNET_CONTAINER_DLL_remove (ac_head, | 368 | GNUNET_CONTAINER_DLL_remove(ac_head, |
370 | ac_tail, | 369 | ac_tail, |
371 | ac); | 370 | ac); |
372 | terminate_ac_activities (ac); | 371 | terminate_ac_activities(ac); |
373 | GNUNET_free (ac); | 372 | GNUNET_free(ac); |
374 | } | 373 | } |
375 | if (NULL != stats) | 374 | if (NULL != stats) |
376 | { | 375 | { |
377 | GNUNET_STATISTICS_destroy (stats, | 376 | GNUNET_STATISTICS_destroy(stats, |
378 | GNUNET_NO); | 377 | GNUNET_NO); |
379 | stats = NULL; | 378 | stats = NULL; |
380 | } | 379 | } |
381 | } | 380 | } |
382 | 381 | ||
383 | 382 | ||
@@ -389,15 +388,15 @@ shutdown_task (void *cls) | |||
389 | * @param service the initialized service | 388 | * @param service the initialized service |
390 | */ | 389 | */ |
391 | static void | 390 | static void |
392 | run (void *cls, | 391 | run(void *cls, |
393 | const struct GNUNET_CONFIGURATION_Handle *c, | 392 | const struct GNUNET_CONFIGURATION_Handle *c, |
394 | struct GNUNET_SERVICE_Handle *service) | 393 | struct GNUNET_SERVICE_Handle *service) |
395 | { | 394 | { |
396 | cfg = c; | 395 | cfg = c; |
397 | GNUNET_SCHEDULER_add_shutdown (&shutdown_task, | 396 | GNUNET_SCHEDULER_add_shutdown(&shutdown_task, |
398 | NULL); | 397 | NULL); |
399 | stats = GNUNET_STATISTICS_create ("nat-auto", | 398 | stats = GNUNET_STATISTICS_create("nat-auto", |
400 | cfg); | 399 | cfg); |
401 | } | 400 | } |
402 | 401 | ||
403 | 402 | ||
@@ -410,18 +409,18 @@ run (void *cls, | |||
410 | * @return a `struct ClientHandle` | 409 | * @return a `struct ClientHandle` |
411 | */ | 410 | */ |
412 | static void * | 411 | static void * |
413 | client_connect_cb (void *cls, | 412 | client_connect_cb(void *cls, |
414 | struct GNUNET_SERVICE_Client *c, | 413 | struct GNUNET_SERVICE_Client *c, |
415 | struct GNUNET_MQ_Handle *mq) | 414 | struct GNUNET_MQ_Handle *mq) |
416 | { | 415 | { |
417 | struct ClientHandle *ch; | 416 | struct ClientHandle *ch; |
418 | 417 | ||
419 | ch = GNUNET_new (struct ClientHandle); | 418 | ch = GNUNET_new(struct ClientHandle); |
420 | ch->mq = mq; | 419 | ch->mq = mq; |
421 | ch->client = c; | 420 | ch->client = c; |
422 | GNUNET_CONTAINER_DLL_insert (ch_head, | 421 | GNUNET_CONTAINER_DLL_insert(ch_head, |
423 | ch_tail, | 422 | ch_tail, |
424 | ch); | 423 | ch); |
425 | return ch; | 424 | return ch; |
426 | } | 425 | } |
427 | 426 | ||
@@ -434,16 +433,16 @@ client_connect_cb (void *cls, | |||
434 | * @param internal_cls a `struct ClientHandle *` | 433 | * @param internal_cls a `struct ClientHandle *` |
435 | */ | 434 | */ |
436 | static void | 435 | static void |
437 | client_disconnect_cb (void *cls, | 436 | client_disconnect_cb(void *cls, |
438 | struct GNUNET_SERVICE_Client *c, | 437 | struct GNUNET_SERVICE_Client *c, |
439 | void *internal_cls) | 438 | void *internal_cls) |
440 | { | 439 | { |
441 | struct ClientHandle *ch = internal_cls; | 440 | struct ClientHandle *ch = internal_cls; |
442 | 441 | ||
443 | GNUNET_CONTAINER_DLL_remove (ch_head, | 442 | GNUNET_CONTAINER_DLL_remove(ch_head, |
444 | ch_tail, | 443 | ch_tail, |
445 | ch); | 444 | ch); |
446 | GNUNET_free (ch); | 445 | GNUNET_free(ch); |
447 | } | 446 | } |
448 | 447 | ||
449 | 448 | ||
@@ -451,17 +450,17 @@ client_disconnect_cb (void *cls, | |||
451 | * Define "main" method using service macro. | 450 | * Define "main" method using service macro. |
452 | */ | 451 | */ |
453 | GNUNET_SERVICE_MAIN | 452 | GNUNET_SERVICE_MAIN |
454 | ("nat-auto", | 453 | ("nat-auto", |
455 | GNUNET_SERVICE_OPTION_NONE, | 454 | GNUNET_SERVICE_OPTION_NONE, |
456 | &run, | 455 | &run, |
457 | &client_connect_cb, | 456 | &client_connect_cb, |
458 | &client_disconnect_cb, | 457 | &client_disconnect_cb, |
459 | NULL, | 458 | NULL, |
460 | GNUNET_MQ_hd_var_size (autoconfig_request, | 459 | GNUNET_MQ_hd_var_size(autoconfig_request, |
461 | GNUNET_MESSAGE_TYPE_NAT_AUTO_REQUEST_CFG, | 460 | GNUNET_MESSAGE_TYPE_NAT_AUTO_REQUEST_CFG, |
462 | struct GNUNET_NAT_AUTO_AutoconfigRequestMessage, | 461 | struct GNUNET_NAT_AUTO_AutoconfigRequestMessage, |
463 | NULL), | 462 | NULL), |
464 | GNUNET_MQ_handler_end ()); | 463 | GNUNET_MQ_handler_end()); |
465 | 464 | ||
466 | 465 | ||
467 | #if defined(LINUX) && defined(__GLIBC__) | 466 | #if defined(LINUX) && defined(__GLIBC__) |
@@ -471,11 +470,11 @@ GNUNET_SERVICE_MAIN | |||
471 | * MINIMIZE heap size (way below 128k) since this process doesn't need much. | 470 | * MINIMIZE heap size (way below 128k) since this process doesn't need much. |
472 | */ | 471 | */ |
473 | void __attribute__ ((constructor)) | 472 | void __attribute__ ((constructor)) |
474 | GNUNET_ARM_memory_init () | 473 | GNUNET_ARM_memory_init() |
475 | { | 474 | { |
476 | mallopt (M_TRIM_THRESHOLD, 4 * 1024); | 475 | mallopt(M_TRIM_THRESHOLD, 4 * 1024); |
477 | mallopt (M_TOP_PAD, 1 * 1024); | 476 | mallopt(M_TOP_PAD, 1 * 1024); |
478 | malloc_trim (0); | 477 | malloc_trim(0); |
479 | } | 478 | } |
480 | #endif | 479 | #endif |
481 | 480 | ||