masqmail: ffeff2c33799 src/conf.c

masqmail

view src/conf.c @ 84:ffeff2c33799

is_ingroup(): check for the primary group of a user too also some refactoring

author	meillo@marmaro.de
date	Sat, 19 Jun 2010 18:08:55 +0200
parents	a8f3424347dc
children	a80ebfa16cd5

line source

1 /* MasqMail

4 This program is free software; you can redistribute it and/or modify

5 it under the terms of the GNU General Public License as published by

6 the Free Software Foundation; either version 2 of the License, or

7 (at your option) any later version.

9 This program is distributed in the hope that it will be useful,

10 but WITHOUT ANY WARRANTY; without even the implied warranty of

11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

12 GNU General Public License for more details.

14 You should have received a copy of the GNU General Public License

15 along with this program; if not, write to the Free Software

16 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

17 */

19 #include <pwd.h>

20 #include <grp.h>

22 #include "masqmail.h"

24 masqmail_conf conf;

26 void

27 init_conf()

28 {

29 struct passwd *passwd;

30 struct group *group;

32 memset(&conf, 0, sizeof(masqmail_conf));

34 conf.orig_uid = getuid();

35 conf.orig_gid = getgid();

37 if ((passwd = getpwnam(DEF_MAIL_USER)))

38 conf.mail_uid = passwd->pw_uid;

39 else {

40 fprintf(stderr, "user %s not found! (terminating)\n", DEF_MAIL_USER);

41 exit(EXIT_FAILURE);

42 }

43 if ((group = getgrnam(DEF_MAIL_GROUP)))

44 conf.mail_gid = group->gr_gid;

45 else {

46 fprintf(stderr, "group %s not found! (terminating)\n", DEF_MAIL_GROUP);

47 exit(EXIT_FAILURE);

48 }

49 }

51 static gchar* true_strings[] = {

52 "yes", "on", "true", NULL

53 };

55 static gchar *false_strings[] = {

56 "no", "off", "false", NULL

57 };

59 static gboolean

60 parse_boolean(gchar * rval)

61 {

62 gchar **str;

64 DEBUG(6) fprintf(stderr, "parse_boolean: %s\n", rval);

66 str = true_strings;

67 while (*str) {

68 if (strncasecmp(*str, rval, strlen(*str)) == 0)

69 return TRUE;

70 str++;

71 }

73 str = false_strings;

74 while (*str) {

75 if (strncasecmp(*str, rval, strlen(*str)) == 0)

76 return FALSE;

77 str++;

78 }

80 fprintf(stderr, "cannot parse value '%s'\n", rval);

81 exit(EXIT_FAILURE);

82 }

84 /* make a list from each line in a file */

85 static GList*

86 parse_list_file(gchar * fname)

87 {

88 GList *list = NULL;

89 FILE *fptr;

91 if ((fptr = fopen(fname, "rt")) == NULL) {

92 logwrite(LOG_ALERT, "could not open %s for reading: %s\n", fname, strerror(errno));

93 exit(EXIT_FAILURE);

94 }

96 gchar buf[256];

98 while (!feof(fptr)) {

99 fgets(buf, 255, fptr);

100 if (buf[0] && (buf[0] != '#') && (buf[0] != '\n')) {

101 g_strchomp(buf);

102 list = g_list_append(list, g_strdup(buf));

103 }

104 }

105 fclose(fptr);

106

107 return list;

108 }

109

110 /* given a semicolon separated string, this function makes a GList out of it. */

111 GList*

112 parse_list(gchar * line, gboolean read_file)

113 {

114 GList *list = NULL;

115 gchar buf[256];

116 gchar *p, *q;

117

118 DEBUG(6) fprintf(stderr, "parsing list %s\n", line);

119

120 p = line;

121 while (*p != '\0') {

122 q = buf;

123

124 while (*p && (*p != ';') && (q < buf + 255))

125 *(q++) = *(p++);

126 *q = '\0';

127

128 if ((buf[0] == '/') && (read_file))

129 /* item is a filename, include its contents */

130 list = g_list_concat(list, parse_list_file(buf));

131 else

132 /* just a normal item */

133 list = g_list_append(list, g_strdup(buf));

134

135 DEBUG(6) printf("item = %s\n", buf);

136

137 if (*p)

138 p++;

139 }

140 return list;

141 }

142

143 static GList*

144 parse_address_list(gchar * line, gboolean read_file)

145 {

146 GList *plain_list = parse_list(line, read_file);

147 GList *node;

148 GList *list = NULL;

149

150 foreach(plain_list, node) {

151 gchar *item = (gchar *) (node->data);

152 address *addr = create_address(item, TRUE);

153 if (addr)

154 list = g_list_append(list, addr);

155 g_free(item);

156 }

157 g_list_free(plain_list);

158

159 return list;

160 }

161

162 static GList*

163 parse_resolve_list(gchar * line)

164 {

165 GList *list;

166 GList *list_node;

167 GList *res_list = NULL;

168

169 list = parse_list(line, FALSE);

170 if (!list) {

171 return NULL;

172 }

173

174 foreach(list, list_node) {

175 gchar *item = (gchar *) (list_node->data);

176 if (strcmp(item, "byname") == 0) {

177 res_list = g_list_append(res_list, resolve_byname);

178 #ifdef ENABLE_RESOLVER

179 } else if (strcmp(item, "dns_a") == 0) {

180 res_list = g_list_append(res_list, resolve_dns_a);

181 } else if (strcmp(item, "dns_mx") == 0) {

182 res_list = g_list_append(res_list, resolve_dns_mx);

183 #endif

184 } else {

185 logwrite(LOG_ALERT, "unknown resolver %s\n", item);

186 exit(EXIT_FAILURE);

187 }

188 g_free(item);

189 }

190 g_list_free(list);

191 return res_list;

192 }

193

194 static interface*

195 parse_interface(gchar * line, gint def_port)

196 {

197 gchar buf[256];

198 gchar *p, *q;

199 interface *iface;

200

201 DEBUG(6) fprintf(stderr, "parse_interface: %s\n", line);

202

203 p = line;

204 q = buf;

205 while ((*p != '\0') && (*p != ':') && (q < buf + 255))

206 *(q++) = *(p++);

207 *q = '\0';

208

209 iface = g_malloc(sizeof(interface));

210 iface->address = g_strdup(buf);

211

212 if (*p) {

213 p++;

214 iface->port = atoi(p);

215 } else

216 iface->port = def_port;

217

218 return iface;

219 }

220

221 #ifdef ENABLE_IDENT /* so far used for that only */

222 static struct in_addr*

223 parse_network(gchar * line, gint def_port)

224 {

225 gchar buf[256];

226 gchar *p, *q;

227 struct in_addr addr, mask_addr, net_addr, *p_net_addr;

228 guint n;

229

230 DEBUG(6) fprintf(stderr, "parse_network: %s\n", line);

231

232 p = line;

233 q = buf;

234 while ((*p != '\0') && (*p != '/') && (q < buf + 255))

235 *(q++) = *(p++);

236 *q = '\0';

237

238 if ((addr.s_addr = inet_addr(buf)) == INADDR_NONE) {

239 fprintf(stderr, "'%s' is not a valid address (must be ip)\n", buf);

240 exit(EXIT_FAILURE);

241 }

242

243 if (*p) {

244 guint i;

245 p++;

246 i = atoi(p);

247 if ((i >= 0) && (i <= 32))

248 n = i ? ~((1 << (32 - i)) - 1) : 0;

249 else {

250 fprintf(stderr, "'%d' is not a valid net mask (must be >= 0 and <= 32)\n", i);

251 exit(EXIT_FAILURE);

252 }

253 } else

254 n = 0;

255

256 mask_addr.s_addr = htonl(n);

257 net_addr.s_addr = mask_addr.s_addr & addr.s_addr;

258

259 p_net_addr = g_malloc(sizeof(struct in_addr));

260 p_net_addr->s_addr = net_addr.s_addr;

261 return p_net_addr;

262 }

263 #endif

264

265 static gboolean

266 eat_comments(FILE * in)

267 {

268 gint c;

269

270 for (c = fgetc(in); (c == '#' || isspace(c)) && c != EOF;

271 c = fgetc(in)) {

272 if (c == '#') {

273 gint c;

274 for (c = fgetc(in); (c != '\n') && (c != EOF); c = fgetc(in));

275 }

276 }

277 if (c == EOF)

278 return FALSE;

279 ungetc(c, in);

280 return TRUE;

281 }

282

283 /* after parsing, eat trailing character until LF */

284 static gboolean

285 eat_line_trailing(FILE * in)

286 {

287 gint c;

288

289 for (c = fgetc(in); c != EOF && c != '\n'; c = fgetc(in));

290 if (c == EOF)

291 return FALSE;

292 return TRUE;

293 }

294

295 static gboolean

296 eat_spaces(FILE * in)

297 {

298 gint c;

299

300 for (c = fgetc(in); c != EOF && isspace(c); c = fgetc(in)) {

301 /* empty */

302 }

303 if (c == EOF)

304 return FALSE;

305 ungetc(c, in);

306 return TRUE;

307 }

308

309 static gboolean

310 read_lval(FILE * in, gchar * buf, gint size)

311 {

312 gint c;

313 gchar *ptr = buf;

314

315 DEBUG(6) fprintf(stderr, "read_lval()\n");

316

317 if (!eat_spaces(in))

318 return FALSE;

319

320 c = fgetc(in);

321 DEBUG(6) fprintf(stderr, "read_lval() 2\n");

322 while ((isalnum(c) || c == '_' || c == '-' || c == '.')

323 && (ptr < buf + size - 1)

324 && (c != EOF)) {

325 *ptr = c;

326 ptr++;

327 c = fgetc(in);

328 }

329 *ptr = '\0';

330 ungetc(c, in);

331

332 if (c == EOF) {

333 fprintf(stderr, "unexpected EOF after %s\n", buf);

334 return FALSE;

335 } else if (ptr >= buf + size - 1) {

336 fprintf(stderr, "lval too long\n");

337 }

338

339 eat_spaces(in);

340

341 DEBUG(6) fprintf(stderr, "lval = %s\n", buf);

342

343 return buf[0] != '\0';

344 }

345

346 static gboolean

347 read_rval(FILE * in, gchar * buf, gint size)

348 {

349 gint c;

350 gchar *ptr = buf;

351

352 DEBUG(6) fprintf(stderr, "read_rval()\n");

353

354 if (!eat_spaces(in))

355 return FALSE;

356

357 c = fgetc(in);

358 if (c != '\"') {

359 while ((isalnum(c) || c == '_' || c == '-' || c == '.' || c == '/' || c == '@' || c == ';')

360 && (ptr < buf + size - 1)

361 && (c != EOF)) {

362 *ptr = c;

363 ptr++;

364 c = fgetc(in);

365 }

366 *ptr = '\0';

367 ungetc(c, in);

368 } else {

369 gboolean escape = FALSE;

370 c = fgetc(in);

371 while (((c != '\"') || escape) && (ptr < buf + size - 1)) {

372 if (c != '\n') { /* ignore line breaks */

373 if ((c == '\\') && (!escape)) {

374 escape = TRUE;

375 } else {

376 *ptr = c;

377 ptr++;

378 escape = FALSE;

379 }

380 }

381 c = fgetc(in);

382 }

383 *ptr = '\0';

384 }

385

386 eat_line_trailing(in);

387

388 DEBUG(6) fprintf(stderr, "rval = %s\n", buf);

389

390 return TRUE;

391 }

392

393 static gboolean

394 read_statement(FILE * in, gchar * lval, gint lsize, gchar * rval, gint rsize)

395 {

396 gint c;

397

398 DEBUG(6) fprintf(stderr, "read_statement()\n");

399

400 /* eat comments and empty lines: */

401 if (!eat_comments(in))

402 return FALSE;

403

404 DEBUG(6) fprintf(stderr, "read_statement() 1\n");

405

406 if (!read_lval(in, lval, lsize)) {

407 return FALSE;

408 }

409

410 DEBUG(6) fprintf(stderr, "lval = %s\n", lval);

411 if ((c = fgetc(in) == '=')) {

412 if (read_rval(in, rval, rsize)) {

413 DEBUG(6) fprintf(stderr, "rval = %s\n", rval);

414 return TRUE;

415 }

416 } else {

417 fprintf(stderr, "'=' expected after %s, char was '%c'\n", lval, c);

418 }

419 return FALSE;

420 }

421

422 gboolean

423 read_conf(gchar * filename)

424 {

425 FILE *in;

426

427 conf.log_max_pri = 7;

428 conf.remote_port = 25;

429 conf.do_relay = TRUE;

430 conf.alias_local_cmp = strcmp;

431 conf.max_defer_time = 86400 * 4; /* 4 days */

432

433 if ((in = fopen(filename, "r")) == NULL) {

434 fprintf(stderr, "could not open config file %s: %s\n", filename, strerror(errno));

435 return FALSE;

436 }

437

438 gchar lval[256], rval[2048];

439 while (read_statement(in, lval, 256, rval, 2048)) {

440 if (strcmp(lval, "debug_level") == 0)

441 conf.debug_level = atoi(rval);

442 else if (strcmp(lval, "run_as_user") == 0) {

443 if (!conf.run_as_user) /* you should not be able to reset that flag */

444 conf.run_as_user = parse_boolean(rval);

445 } else if (strcmp(lval, "use_syslog") == 0)

446 conf.use_syslog = parse_boolean(rval);

447 else if (strcmp(lval, "mail_dir") == 0)

448 conf.mail_dir = g_strdup(rval);

449 else if (strcmp(lval, "lock_dir") == 0)

450 conf.lock_dir = g_strdup(rval);

451 else if (strcmp(lval, "spool_dir") == 0)

452 conf.spool_dir = g_strdup(rval);

453 else if (strcmp(lval, "log_dir") == 0)

454 conf.log_dir = g_strdup(rval);

455 else if (strcmp(lval, "host_name") == 0) {

456 if (rval[0] != '/')

457 conf.host_name = g_strdup(rval);

458 else {

459 char buf[256];

460 FILE *fptr = fopen(rval, "rt");

461 if (fptr) {

462 fprintf(stderr, "could not open %s: %s\n", rval, strerror(errno));

463 return FALSE;

464 }

465 fgets(buf, 255, fptr);

466 g_strchomp(buf);

467 conf.host_name = g_strdup(buf);

468 fclose(fptr);

469 }

470 } else if (strcmp(lval, "remote_port") == 0) {

471 fprintf(stderr, "the remote_port option is now deprecated. Use 'mail_host' in the\n"

472 "route configuration instead. See man masqmail.route\n");

473 conf.remote_port = atoi(rval);

474 } else if (strcmp(lval, "local_hosts") == 0)

475 conf.local_hosts = parse_list(rval, FALSE);

476 else if (strcmp(lval, "local_addresses") == 0)

477 conf.local_addresses = parse_list(rval, TRUE);

478 else if (strcmp(lval, "not_local_addresses") == 0)

479 conf.not_local_addresses = parse_list(rval, TRUE);

480 else if (strcmp(lval, "local_nets") == 0)

481 conf.local_nets = parse_list(rval, FALSE);

482 else if (strcmp(lval, "do_save_envelope_to") == 0)

483 conf.do_save_envelope_to = parse_boolean(rval);

484 else if (strcmp(lval, "defer_all") == 0)

485 conf.defer_all = parse_boolean(rval);

486 else if (strcmp(lval, "do_relay") == 0)

487 conf.do_relay = parse_boolean(rval);

488 else if (strcmp(lval, "alias_file") == 0) {

489 conf.alias_file = g_strdup(rval);

490 } else if (strcmp(lval, "alias_local_caseless") == 0) {

491 conf.alias_local_cmp = parse_boolean(rval) ? strcasecmp : strcmp;

492 } else if (strcmp(lval, "mbox_default") == 0) {

493 conf.mbox_default = g_strdup(rval);

494 } else if (strcmp(lval, "mbox_users") == 0) {

495 conf.mbox_users = parse_list(rval, TRUE);

496 } else if (strcmp(lval, "mda_users") == 0) {

497 conf.mda_users = parse_list(rval, TRUE);

498 } else if (strcmp(lval, "maildir_users") == 0) {

499 conf.maildir_users = parse_list(rval, TRUE);

500 } else if (strcmp(lval, "mda") == 0) {

501 conf.mda = g_strdup(rval);

502 } else if (strcmp(lval, "mda_fromline") == 0) {

503 conf.mda_fromline = parse_boolean(rval);

504 } else if (strcmp(lval, "mda_fromhack") == 0) {

505 conf.mda_fromhack = parse_boolean(rval);

506 } else if (strcmp(lval, "pipe_fromline") == 0) {

507 conf.pipe_fromline = parse_boolean(rval);

508 } else if (strcmp(lval, "pipe_fromhack") == 0) {

509 conf.pipe_fromhack = parse_boolean(rval);

510 } else if (strcmp(lval, "listen_addresses") == 0) {

511 GList *node;

512 GList *tmp_list = parse_list(rval, FALSE);

513

514 conf.listen_addresses = NULL;

515 foreach(tmp_list, node) {

516 conf.listen_addresses = g_list_append(conf.listen_addresses, parse_interface((gchar *) (node-> data), 25));

517 g_free(node->data);

518 }

519 g_list_free(tmp_list);

520 } else if (strcmp(lval, "ident_trusted_nets") == 0) {

521 #ifdef ENABLE_IDENT

522 GList *node;

523 GList *tmp_list = parse_list(rval, FALSE);

524

525 conf.ident_trusted_nets = NULL;

526 foreach(tmp_list, node) {

527 conf.ident_trusted_nets = g_list_append(conf.ident_trusted_nets, parse_network((gchar *) (node->data), 25));

528 g_free(node->data);

529 }

530 g_list_free(tmp_list);

531 #else

532 fprintf(stderr, "%s ignored: not compiled with ident support\n", lval);

533 #endif

534 } else if ((strncmp(lval, "connect_route.", 14) == 0)

535 || (strncmp(lval, "online_routes.", 14) == 0)) {

536 GList *file_list = parse_list(rval, FALSE);

537 table_pair *pair = create_pair(&(lval[14]), file_list);

538 conf.connect_routes = g_list_append(conf.connect_routes, pair);

539 } else if (strcmp(lval, "local_net_route") == 0) {

540 conf.local_net_routes = parse_list(rval, FALSE);

541 } else if (strcmp(lval, "online_detect") == 0)

542 conf.online_detect = g_strdup(rval);

543 else if (strcmp(lval, "online_file") == 0)

544 conf.online_file = g_strdup(rval);

545 else if (strcmp(lval, "online_pipe") == 0)

546 conf.online_pipe = g_strdup(rval);

547 else if (strcmp(lval, "mserver_iface") == 0)

548 conf.mserver_iface = parse_interface(rval, 224);

549 else if (strcmp(lval, "do_queue") == 0)

550 conf.do_queue = parse_boolean(rval);

551 else if (strncmp(lval, "get.", 4) == 0) {

552 #ifdef ENABLE_POP3

553 table_pair *pair = create_pair_string(&(lval[4]), rval);

554 conf.get_names = g_list_append(conf.get_names, pair);

555 #else

556 fprintf(stderr, "get.<name> ignored: not compiled with pop support\n");

557 #endif

558 } else if (strncmp(lval, "online_gets.", 12) == 0) {

559 #ifdef ENABLE_POP3

560 GList *file_list = parse_list(rval, FALSE);

561 table_pair *pair = create_pair(&(lval[12]), file_list);

562 conf.online_gets = g_list_append(conf.online_gets, pair);

563 #else

564 fprintf(stderr, "online_gets.<name> ignored: not compiled with pop support\n");

565 #endif

566 } else if (strcmp(lval, "errmsg_file") == 0)

567 conf.errmsg_file = g_strdup(rval);

568 else if (strcmp(lval, "warnmsg_file") == 0)

569 conf.warnmsg_file = g_strdup(rval);

570 else if (strcmp(lval, "warn_intervals") == 0)

571 conf.warn_intervals = parse_list(rval, FALSE);

572 else if (strcmp(lval, "max_defer_time") == 0) {

573 gint dummy;

574 gint ival = time_interval(rval, &dummy);

575 if (ival < 0)

576 fprintf(stderr, "invalid time interval for 'max_defer_time': %s\n", rval);

577 else

578 conf.max_defer_time = ival;

579 } else if (strcmp(lval, "log_user") == 0)

580 conf.log_user = g_strdup(rval);

581

582 else

583 fprintf(stderr, "var '%s' not (yet) known, ignored\n", lval);

584 }

585 fclose(in);

586

587 if (conf.errmsg_file == NULL)

588 conf.errmsg_file = g_strdup(DATA_DIR "/tpl/failmsg.tpl");

589 if (conf.warnmsg_file == NULL)

590 conf.warnmsg_file = g_strdup(DATA_DIR "/tpl/warnmsg.tpl");

591

592 if (conf.lock_dir == NULL)

593 conf.lock_dir = g_strdup_printf("%s/lock/", conf.spool_dir);

594

595 if (conf.mbox_default == NULL)

596 conf.mbox_default = g_strdup("mbox");

597

598 if (conf.warn_intervals == NULL)

599 conf.warn_intervals = parse_list("1h;4h;8h;1d;2d;3d", FALSE);

600

601 return TRUE;

602 }

603

604 connect_route*

605 read_route(gchar * filename, gboolean is_local_net)

606 {

607 gboolean ok = FALSE;

608 FILE *in;

609

610 connect_route *route = g_malloc(sizeof(connect_route));

611 memset(route, 0, sizeof(connect_route));

612

613 DEBUG(5) debugf("read_route, filename = %s\n", filename);

614

615 route->filename = g_strdup(filename);

616 route->name = g_strdup(filename); /* quick hack */

617

618 route->protocol = g_strdup("smtp");

619 route->expand_h_sender_address = TRUE;

620

621 route->is_local_net = is_local_net;

622

623 route->do_pipelining = TRUE;

624

625 if ((in = fopen(route->filename, "r")) == NULL) {

626 logwrite(LOG_ALERT, "could not open route file %s: %s\n", route->filename, strerror(errno));

627 g_free(route);

628 return NULL;

629 }

630

631 gchar lval[256], rval[2048];

632 while (read_statement(in, lval, 256, rval, 2048)) {

633 if (strcmp(lval, "protocol") == 0)

634 route->protocol = g_strdup(rval);

635 else if (strcmp(lval, "mail_host") == 0)

636 route->mail_host = parse_interface(rval, conf.remote_port);

637 else if (strcmp(lval, "helo_name") == 0)

638 route->helo_name = g_strdup(rval);

639 else if (strcmp(lval, "wrapper") == 0)

640 route->wrapper = g_strdup(rval);

641 else if (strcmp(lval, "connect_error_fail") == 0)

642 route->connect_error_fail = parse_boolean(rval);

643 else if (strcmp(lval, "do_correct_helo") == 0)

644 route->do_correct_helo = parse_boolean(rval);

645 else if (strcmp(lval, "do_pipelining") == 0)

646 route->do_pipelining = parse_boolean(rval);

647 else if (strcmp(lval, "allowed_return_paths") == 0)

648 route->allowed_return_paths = parse_address_list(rval, TRUE);

649 else if (strcmp(lval, "allowed_mail_locals") == 0)

650 route->allowed_mail_locals = parse_list(rval, TRUE);

651 else if (strcmp(lval, "not_allowed_return_paths") == 0)

652 route->not_allowed_return_paths = parse_address_list(rval, TRUE);

653 else if (strcmp(lval, "not_allowed_mail_locals") == 0)

654 route->not_allowed_mail_locals = parse_list(rval, TRUE);

655 else if (strcmp(lval, "allowed_rcpt_domains") == 0)

656 route->allowed_rcpt_domains = parse_list(rval, TRUE);

657 else if (strcmp(lval, "not_allowed_rcpt_domains") == 0)

658 route->not_allowed_rcpt_domains = parse_list(rval, TRUE);

659 else if (strcmp(lval, "set_h_from_domain") == 0)

660 route->set_h_from_domain = g_strdup(rval);

661 else if (strcmp(lval, "set_h_reply_to_domain") == 0)

662 route->set_h_reply_to_domain = g_strdup(rval);

663 else if (strcmp(lval, "set_return_path_domain") == 0)

664 route->set_return_path_domain = g_strdup(rval);

665 else if (strcmp(lval, "map_return_path_addresses") == 0) {

666 GList *node, *list;

667

668 list = parse_list(rval, TRUE);

669 foreach(list, node) {

670 gchar *item = (gchar *) (node->data);

671 table_pair *pair = parse_table_pair(item, ':');

672 address *addr = create_address((gchar *) (pair->value), TRUE);

673 g_free(pair->value);

674 pair->value = (gpointer *) addr;

675 route->map_return_path_addresses = g_list_append(route->map_return_path_addresses, pair);

676 g_free(item);

677 }

678 g_list_free(list);

679 } else if (strcmp(lval, "map_h_from_addresses") == 0) {

680 GList *list, *node;

681

682 list = parse_list(rval, TRUE);

683 foreach(list, node) {

684 gchar *item = (gchar *) (node->data);

685 table_pair *pair = parse_table_pair(item, ':');

686 route->map_h_from_addresses = g_list_append(route->map_h_from_addresses, pair);

687 g_free(item);

688 }

689 g_list_free(list);

690 } else if (strcmp(lval, "map_h_reply_to_addresses") == 0) {

691 GList *list, *node;

692

693 list = parse_list(rval, TRUE);

694 foreach(list, node) {

695 gchar *item = (gchar *) (node->data);

696 table_pair *pair = parse_table_pair(item, ':');

697 route->map_h_reply_to_addresses = g_list_append(route->map_h_reply_to_addresses, pair);

698 g_free(item);

699 }

700 g_list_free(list);

701 } else if (strcmp(lval, "map_h_mail_followup_to_addresses") == 0) {

702 GList *list, *node;

703

704 list = parse_list(rval, TRUE);

705 foreach(list, node) {

706 gchar *item = (gchar *) (node->data);

707 table_pair *pair = parse_table_pair(item, ':');

708 route->map_h_mail_followup_to_addresses = g_list_append(route->map_h_mail_followup_to_addresses, pair);

709 g_free(item);

710 }

711 g_list_free(list);

712 } else if (strcmp(lval, "expand_h_sender_domain") == 0) {

713 route->expand_h_sender_domain = parse_boolean(rval);

714 } else if (strcmp(lval, "expand_h_sender_address") == 0) {

715 route->expand_h_sender_address = parse_boolean(rval);

716 } else if (strcmp(lval, "resolve_list") == 0)

717 route->resolve_list = parse_resolve_list(rval);

718 else if (strcmp(lval, "do_ssl") == 0) {

719 /* we ignore this. This option is used by sqilconf */

720 ;

721 }

722 #ifdef ENABLE_AUTH

723 else if (strcmp(lval, "auth_name") == 0) {

724 route->auth_name = g_strdup(rval);

725 } else if (strcmp(lval, "auth_login") == 0) {

726 route->auth_login = g_strdup(rval);

727 } else if (strcmp(lval, "auth_secret") == 0) {

728 route->auth_secret = g_strdup(rval);

729 }

730 #else

731 else if ((strcmp(lval, "auth_name") == 0)

732 || (strcmp(lval, "auth_login") == 0)

733 || (strcmp(lval, "auth_secret") == 0)) {

734 logwrite(LOG_WARNING, "%s ignored: not compiled with auth support.\n", lval);

735 }

736 #endif

737 else if (strcmp(lval, "pop3_login") == 0) {

738 #ifdef ENABLE_POP3

739 route->pop3_login = g_strdup(rval);

740 #else

741 logwrite(LOG_WARNING, "pop3_login ignored: not compiled with pop support.\n");

742 #endif

743 } else if (strcmp(lval, "pipe") == 0) {

744 route->pipe = g_strdup(rval);

745 } else if (strcmp(lval, "pipe_fromline") == 0) {

746 route->pipe_fromline = parse_boolean(rval);

747 } else if (strcmp(lval, "pipe_fromhack") == 0) {

748 route->pipe_fromhack = parse_boolean(rval);

749 } else if (strcmp(lval, "last_route") == 0) {

750 route->last_route = parse_boolean(rval);

751 } else

752 logwrite(LOG_WARNING, "var '%s' not (yet) known, ignored\n", lval);

753 }

754

755 if (route->resolve_list == NULL) {

756 if (is_local_net) {

757 route->resolve_list = g_list_append(NULL, resolve_byname);

758 } else {

759 #ifdef ENABLE_RESOLVER

760 route->resolve_list = g_list_append(route->resolve_list, resolve_dns_mx);

761 route->resolve_list = g_list_append(route->resolve_list, resolve_dns_a);

762 #endif

763 route->resolve_list = g_list_append(route->resolve_list, resolve_byname);

764 }

765 }

766 fclose(in);

767 ok = TRUE;

768

769 /* warn user about misconfigurations: */

770 if ((route->map_h_from_addresses != NULL) && (route->set_h_from_domain != NULL)) {

771 logwrite(LOG_WARNING, "'map_h_from_addresses' overrides 'set_h_from_domain'\n");

772 g_free(route->set_h_from_domain);

773 route->set_h_from_domain = NULL;

774 }

775 if ((route->map_h_reply_to_addresses != NULL) && (route->set_h_reply_to_domain != NULL)) {

776 logwrite(LOG_WARNING, "'map_h_reply_to_addresses' overrides 'set_h_reply_to_domain'\n");

777 g_free(route->set_h_reply_to_domain);

778 route->set_h_reply_to_domain = NULL;

779 }

780

781 if (!ok) {

782 g_free(route);

783 route = NULL;

784 }

785

786 return route;

787 }

788

789 static void

790 _g_list_free_all(GList * list)

791 {

792 GList *node;

793 if (list) {

794 foreach(list, node)

795 g_free(node->data);

796 g_list_free(list);

797 }

798 }

799

800 void

801 destroy_route(connect_route * r)

802 {

803 if (r->filename)

804 g_free(r->filename);

805 if (r->protocol)

806 g_free(r->protocol);

807 if (r->mail_host) {

808 g_free(r->mail_host->address);

809 g_free(r->mail_host);

810 }

811 if (r->wrapper)

812 g_free(r->wrapper);

813 if (r->helo_name)

814 g_free(r->helo_name);

815 _g_list_free_all(r->allowed_mail_locals);

816 _g_list_free_all(r->not_allowed_mail_locals);

817 _g_list_free_all(r->allowed_rcpt_domains);

818 _g_list_free_all(r->not_allowed_rcpt_domains);

819 if (r->set_h_from_domain)

820 g_free(r->set_h_from_domain);

821 if (r->set_h_reply_to_domain)

822 g_free(r->set_h_reply_to_domain);

823 if (r->set_return_path_domain)

824 g_free(r->set_return_path_domain);

825 if (r->map_h_reply_to_addresses)

826 destroy_table(r->map_h_reply_to_addresses);

827 if (r->resolve_list)

828 g_list_free(r->resolve_list);

829 #ifdef ENABLE_AUTH

830 if (r->auth_name)

831 g_free(r->auth_name);

832 if (r->auth_login)

833 g_free(r->auth_login);

834 if (r->auth_secret)

835 g_free(r->auth_secret);

836 #endif

837 #ifdef ENABLE_POP3

838 if (r->pop3_login)

839 g_free(r->pop3_login);

840 #endif

841 if (r->pipe)

842 g_free(r->pipe);

843 g_free(r);

844 }

845

846 GList*

847 read_route_list(GList * rf_list, gboolean is_local_net)

848 {

849 GList *list = NULL;

850 GList *node;

851 uid_t saved_uid, saved_gid;

852

853 if (!conf.run_as_user) {

854 set_euidgid(0, 0, &saved_uid, &saved_gid);

855 }

856

857 foreach(rf_list, node) {

858 gchar *fname = (gchar *) (node->data);

859 connect_route *route = read_route(fname, is_local_net);

860 if (route)

861 list = g_list_append(list, route);

862 else

863 logwrite(LOG_ALERT, "could not read route configuration %s\n", fname);

864 }

865

866 /* set uid and gid back */

867 if (!conf.run_as_user) {

868 set_euidgid(saved_uid, saved_gid, NULL, NULL);

869 }

870

871 return list;

872 }

873

874 void

875 destroy_route_list(GList * list)

876 {

877 GList *node;

878

879 foreach(list, node) {

880 connect_route *route = (connect_route *) (node->data);

881 destroy_route(route);

882 }

883 g_list_free(list);

884 }

885

886 #ifdef ENABLE_POP3

887

888 get_conf*

889 read_get_conf(gchar * filename)

890 {

891 FILE *in;

892

893 get_conf *gc = g_malloc(sizeof(get_conf));

894 memset(gc, 0, sizeof(get_conf));

895

896 gc->server_port = 110;

897

898 if ((in = fopen(filename, "r")) == NULL) {

899 logwrite(LOG_ALERT, "could not open get file %s: %s\n", filename, strerror(errno));

900 g_free(gc);

901 return NULL;

902 }

903

904 gchar lval[256], rval[2048];

905 while (read_statement(in, lval, 256, rval, 2048)) {

906 if (strcmp(lval, "protocol") == 0)

907 gc->protocol = g_strdup(rval);

908 else if (strcmp(lval, "server") == 0)

909 gc->server_name = g_strdup(rval);

910 else if (strcmp(lval, "port") == 0)

911 gc->server_port = atoi(rval);

912 else if (strcmp(lval, "wrapper") == 0)

913 gc->wrapper = g_strdup(rval);

914 else if (strcmp(lval, "user") == 0)

915 gc->login_user = g_strdup(rval);

916 else if (strcmp(lval, "pass") == 0)

917 gc->login_pass = g_strdup(rval);

918 else if (strcmp(lval, "address") == 0)

919 gc->address = create_address_qualified(rval, TRUE, conf.host_name);

920 else if (strcmp(lval, "return_path") == 0)

921 gc->return_path = create_address_qualified(rval, TRUE, conf.host_name);

922 else if (strcmp(lval, "do_ssl") == 0)

923 /* we ignore this. This option is used by sqilconf */

924 ;

925 else if (strcmp(lval, "do_keep") == 0)

926 gc->do_keep = parse_boolean(rval);

927 else if (strcmp(lval, "do_uidl") == 0)

928 gc->do_uidl = parse_boolean(rval);

929 else if (strcmp(lval, "do_uidl_dele") == 0)

930 gc->do_uidl_dele = parse_boolean(rval);

931 else if (strcmp(lval, "max_size") == 0)

932 gc->max_size = atoi(rval);

933 else if (strcmp(lval, "max_size_delete") == 0)

934 gc->max_size = parse_boolean(rval);

935 else if (strcmp(lval, "max_count") == 0)

936 gc->max_count = atoi(rval);

937 else if (strcmp(lval, "resolve_list") == 0)

938 gc->resolve_list = parse_resolve_list(rval);

939 else

940 logwrite(LOG_WARNING, "var '%s' not (yet) known, ignored\n", lval);

941 }

942 fclose(in);

943

944 if (gc->resolve_list == NULL) {

945 #ifdef ENABLE_RESOLVER

946 gc->resolve_list = g_list_append(NULL, resolve_dns_a);

947 #endif

948 gc->resolve_list = g_list_append(NULL, resolve_byname);

949 }

950

951 if (gc->protocol == NULL)

952 gc->protocol = g_strdup("pop3");

953 return gc;

954 }

955

956 void

957 destroy_get_conf(get_conf * gc)

958 {

959 if (gc->protocol)

960 g_free(gc->protocol);

961 if (gc->server_name)

962 g_free(gc->server_name);

963 if (gc->login_user)

964 g_free(gc->login_user);

965 if (gc->login_pass)

966 g_free(gc->login_pass);

967 if (gc->wrapper)

968 g_free(gc->wrapper);

969 if (gc->address)

970 destroy_address(gc->address);

971 if (gc->return_path)

972 destroy_address(gc->return_path);

973 if (gc->resolve_list)

974 g_list_free(gc->resolve_list);

975 g_free(gc);

976 }

977

978 #endif

979

980 connect_route*

981 create_local_route()

982 {

983 connect_route *route;

984

985 route = g_malloc(sizeof(connect_route));

986 if (!route) {

987 return NULL;

988 }

989 memset(route, 0, sizeof(connect_route));

990 route->protocol = g_strdup("smtp");

991 route->is_local_net = TRUE;

992 route->name = g_strdup("local_net (default)");

993 route->expand_h_sender_address = TRUE;

994 route->resolve_list = g_list_append(NULL, resolve_byname);

995 route->connect_error_fail = TRUE;

996 return route;

997 }