masqmail-0.2: 8c55886cacd8 src/conf.c

masqmail-0.2

view src/conf.c @ 3:8c55886cacd8

man pages will be maintained in troff now

author	meillo@marmaro.de
date	Fri, 26 Sep 2008 21:40:10 +0200
parents
children	26e34ae9a3e3

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 "masqmail.h"

21 #include "pwd.h"

22 #include "grp.h"

24 masqmail_conf conf;

26 void init_conf()

27 {

28 struct passwd *passwd;

29 struct group *group;

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

33 conf.orig_uid = getuid();

34 conf.orig_gid = getgid();

36 if((passwd = getpwnam(DEF_MAIL_USER)))

37 conf.mail_uid = passwd->pw_uid;

38 else{

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

40 exit(EXIT_FAILURE);

41 }

42 if((group = getgrnam(DEF_MAIL_GROUP)))

43 conf.mail_gid = group->gr_gid;

44 else{

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

46 exit(EXIT_FAILURE);

47 }

48 }

50 static gchar *true_strings[] =

51 {

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

53 };

55 static gchar *false_strings[] =

56 {

57 "no", "off", "false", NULL

58 };

60 static

61 gboolean parse_boolean(gchar *rval)

62 {

63 gchar **str;

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

67 str = true_strings;

68 while(*str){

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

70 return TRUE;

71 str++;

72 }

74 str = false_strings;

75 while(*str){

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

77 return FALSE;

78 str++;

79 }

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

82 exit(EXIT_FAILURE);

83 }

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

86 static

87 GList *parse_list_file(gchar *fname)

88 {

89 GList *list = NULL;

90 FILE *fptr;

92 if((fptr = fopen(fname, "rt"))){

93 gchar buf[256];

95 while(!feof(fptr)){

96 fgets(buf, 255, fptr);

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

98 g_strchomp(buf);

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

100 }

101 }

102 fclose(fptr);

103 }else{

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

105 exit(EXIT_FAILURE);

106 }

107

108 return list;

109 }

110

111 /* given a semicolon separated string, this function

112 makes a GList out of it.

113 */

114 GList *parse_list(gchar *line, gboolean read_file)

115 {

116 GList *list = NULL;

117 gchar buf[256];

118 gchar *p, *q;

119

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

121

122 p = line;

123 while(*p != 0){

124 q = buf;

125

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

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

128 *q = 0;

129

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

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

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

133 else

134 /* just a normal item */

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

136

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

138

139 if(*p) p++;

140 }

141 return list;

142 }

143

144 static

145 GList *parse_address_list(gchar *line, gboolean read_file)

146 {

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

148 GList *node;

149 GList *list = NULL;

150

151 foreach(plain_list, node){

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

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

154 if(addr)

155 list = g_list_append(list, addr);

156 g_free(item);

157 }

158 g_list_free(plain_list);

159

160 return list;

161 }

162

163 static

164 GList *parse_resolve_list(gchar *line)

165 {

166 GList *list;

167 GList *list_node;

168 GList *res_list = NULL;

169

170 list = parse_list(line, FALSE);

171 if(list){

172 foreach(list, list_node){

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

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

175 res_list = g_list_append(res_list, resolve_byname);

176 #ifdef ENABLE_RESOLVER

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

178 res_list = g_list_append(res_list, resolve_dns_a);

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

180 res_list = g_list_append(res_list, resolve_dns_mx);

181 #endif

182 }else{

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

184 exit(EXIT_FAILURE);

185 }

186 g_free(item);

187 }

188 g_list_free(list);

189 }

190 return res_list;

191 }

192

193 static

194 interface *parse_interface(gchar *line, gint def_port)

195 {

196 gchar buf[256];

197 gchar *p, *q;

198 interface *iface;

199

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

201

202 p = line;

203 q = buf;

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

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

206 *q = 0;

207

208 iface = g_malloc(sizeof(interface));

209 iface->address = g_strdup(buf);

210

211 if(*p){

212 p++;

213 iface->port = atoi(p);

214 }else

215 iface->port = def_port;

216

217 return iface;

218 }

219

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

221 static

222 struct in_addr *parse_network(gchar *line, gint def_port)

223 {

224 gchar buf[256];

225 gchar *p, *q;

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

227 guint n;

228

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

230

231 p = line;

232 q = buf;

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

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

235 *q = 0;

236

237 if((addr.s_addr = inet_addr(buf)) != INADDR_NONE){

238 if(*p){

239 guint i;

240 p++;

241 i = atoi(p);

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

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

244 else{

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

246 exit(EXIT_FAILURE);

247 }

248 }else

249 n = 0;

250

251 mask_addr.s_addr = htonl(n);

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

253 }else{

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

255 exit(EXIT_FAILURE);

256 }

257

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

259 p_net_addr->s_addr = net_addr.s_addr;

260 return p_net_addr;

261 }

262 #endif

263

264 static

265 gboolean eat_comments(FILE *in)

266 {

267 gint c;

268

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

270 if(c == '#'){

271 gint c;

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

273 }

274 }

275 if(c == EOF) return FALSE;

276 ungetc(c, in);

277 return TRUE;

278 }

279

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

281 static

282 gboolean eat_line_trailing(FILE *in)

283 {

284 gint c;

285

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

287 if(c == EOF) return FALSE;

288 return TRUE;

289 }

290

291 static

292 gboolean eat_spaces(FILE *in)

293 {

294 gint c;

295

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

297 if(c == EOF) return FALSE;

298 ungetc(c, in);

299 return TRUE;

300 }

301

302 static

303 gboolean read_lval(FILE *in, gchar *buf, gint size)

304 {

305 gint c;

306 gchar *ptr = buf;

307

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

309

310 if(!eat_spaces(in)) return FALSE;

311

312 c = fgetc(in);

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

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

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

316 && (c != EOF)

317 ){

318 *ptr = c; ptr++;

319 c = fgetc(in);

320 }

321 *ptr = 0;

322 ungetc(c, in);

323

324 if(c == EOF){

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

326 return FALSE;

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

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

329 }

330

331 eat_spaces(in);

332

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

334

335 return buf[0] != 0;

336 }

337

338 static

339 gboolean read_rval(FILE *in, gchar *buf, gint size)

340 {

341 gint c;

342 gchar *ptr = buf;

343

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

345

346 if(!eat_spaces(in)) return FALSE;

347

348 c = fgetc(in);

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

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

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

352 && (c != EOF)

353 ){

354 *ptr = c; ptr++;

355 c = fgetc(in);

356 }

357 *ptr = 0;

358 ungetc(c, in);

359 }else{

360 gboolean escape = FALSE;

361 c = fgetc(in);

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

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

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

365 escape = TRUE;

366 }else{

367 *ptr = c; ptr++;

368 escape = FALSE;

369 }

370 }

371 c = fgetc(in);

372 }

373 *ptr = 0;

374 }

375

376 eat_line_trailing(in);

377

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

379

380 return TRUE;

381 }

382

383 static

384 gboolean read_statement(FILE *in,

385 gchar *lval, gint lsize,

386 gchar *rval, gint rsize)

387 {

388 gint c;

389

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

391

392 /* eat comments and empty lines: */

393 if(!eat_comments(in)) return FALSE;

394

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

396

397 if(read_lval(in, lval, lsize)){

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

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

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

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

402 return TRUE;

403 }

404 }else{

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

406 }

407 }

408 return FALSE;

409 }

410

411 gboolean read_conf(gchar *filename)

412 {

413 FILE *in;

414

415 conf.log_max_pri = 7;

416

417 conf.remote_port = 25;

418

419 conf.do_relay = TRUE;

420

421 conf.alias_local_cmp = strcmp;

422

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

424

425 if((in = fopen(filename, "r"))){

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

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

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

429 conf.debug_level = atoi(rval);

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

431 if(!conf.run_as_user) /* you should not be able

432 to reset that flag */

433 conf.run_as_user = parse_boolean(rval);

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

435 conf.use_syslog = parse_boolean(rval);

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

437 conf.mail_dir = g_strdup(rval);

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

439 conf.lock_dir = g_strdup(rval);

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

441 conf.spool_dir = g_strdup(rval);

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

443 conf.log_dir = g_strdup(rval);

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

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

446 conf.host_name = g_strdup(rval);

447 else{

448 char buf[256];

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

450 if(fptr){

451 fgets(buf, 255, fptr);

452 g_strchomp(buf);

453 conf.host_name = g_strdup(buf);

454 fclose(fptr);

455 }else{

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

457 return FALSE;

458 }

459 }

460 }

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

462 fprintf(stderr,

463 "the remote_port option is now deprecated. Use 'mail_host' in the\n"

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

465 conf.remote_port = atoi(rval);

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

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

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

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

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

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

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

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

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

475 conf.do_save_envelope_to = parse_boolean(rval);

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

477 conf.defer_all = parse_boolean(rval);

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

479 conf.do_relay = parse_boolean(rval);

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

481 conf.alias_file = g_strdup(rval);

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

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

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

485 conf.mbox_default = g_strdup(rval);

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

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

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

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

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

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

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

493 conf.mda = g_strdup(rval);

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

495 conf.mda_fromline = parse_boolean(rval);

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

497 conf.mda_fromhack = parse_boolean(rval);

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

499 conf.pipe_fromline = parse_boolean(rval);

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

501 conf.pipe_fromhack = parse_boolean(rval);

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

503 GList *node;

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

505

506 conf.listen_addresses = NULL;

507 foreach(tmp_list, node){

508 conf.listen_addresses =

509 g_list_append(conf.listen_addresses,

510 parse_interface((gchar *)(node->data), 25));

511 g_free(node->data);

512 }

513 g_list_free(tmp_list);

514 }

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

516 #ifdef ENABLE_IDENT

517 GList *node;

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

519

520 conf.ident_trusted_nets = NULL;

521 foreach(tmp_list, node){

522 conf.ident_trusted_nets =

523 g_list_append(conf.ident_trusted_nets,

524 parse_network((gchar *)(node->data), 25));

525 g_free(node->data);

526 }

527 g_list_free(tmp_list);

528 #else

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

530 #endif

531 }

532 else if((strncmp(lval, "connect_route.", 14) == 0) ||

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

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

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

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

537 }

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

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

540 }

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 }

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

560 #ifdef ENABLE_POP3

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

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

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

564 #else

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

566 #endif

567 }

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

569 conf.errmsg_file = g_strdup(rval);

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

571 conf.warnmsg_file = g_strdup(rval);

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

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

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

575 gint dummy;

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

577 if(ival < 0)

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

579 else

580 conf.max_defer_time = ival;

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

582 conf.log_user = g_strdup(rval);

583

584 else

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

586 }

587 fclose(in);

588

589 if(conf.errmsg_file == NULL)

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

591 if(conf.warnmsg_file == NULL)

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

593

594 if(conf.lock_dir == NULL)

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

596

597 if(conf.mbox_default == NULL)

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

599

600 if(conf.warn_intervals == NULL)

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

602

603 return TRUE;

604 }else

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

606 return FALSE;

607 }

608

609 connect_route *read_route(gchar *filename, gboolean is_local_net)

610 {

611 gboolean ok = FALSE;

612 FILE *in;

613

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

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

616

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

618

619 route->filename = g_strdup(filename);

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

621

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

623 route->expand_h_sender_address = TRUE;

624

625 route->is_local_net = is_local_net;

626

627 route->do_pipelining = TRUE;

628

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

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

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

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

633 route->protocol = g_strdup(rval);

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

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

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

637 route->helo_name = g_strdup(rval);

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

639 route->wrapper = g_strdup(rval);

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

641 route->connect_error_fail = parse_boolean(rval);

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

643 route->do_correct_helo = parse_boolean(rval);

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

645 route->do_pipelining = parse_boolean(rval);

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

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

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

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

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

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

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

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

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

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

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

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

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

659 route->set_h_from_domain = g_strdup(rval);

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

661 route->set_h_reply_to_domain = g_strdup(rval);

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

663 route->set_return_path_domain = g_strdup(rval);

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

665 GList *node, *list;

666

667 list = parse_list(rval, TRUE);

668 foreach(list, node){

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

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

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

672 g_free(pair->value);

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

674 route->map_return_path_addresses =

675 g_list_append(route->map_return_path_addresses, pair);

676 g_free(item);

677 }

678 g_list_free(list);

679 }

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

681 GList *list, *node;

682

683 list = parse_list(rval, TRUE);

684 foreach(list, node){

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

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

687 route->map_h_from_addresses =

688 g_list_append(route->map_h_from_addresses, pair);

689 g_free(item);

690 }

691 g_list_free(list);

692 }

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

694 GList *list, *node;

695

696 list = parse_list(rval, TRUE);

697 foreach(list, node){

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

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

700 route->map_h_reply_to_addresses =

701 g_list_append(route->map_h_reply_to_addresses, pair);

702 g_free(item);

703 }

704 g_list_free(list);

705 }

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

707 GList *list, *node;

708

709 list = parse_list(rval, TRUE);

710 foreach(list, node){

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

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

713 route->map_h_mail_followup_to_addresses =

714 g_list_append(route->map_h_mail_followup_to_addresses, pair);

715 g_free(item);

716 }

717 g_list_free(list);

718 }

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

720 route->expand_h_sender_domain = parse_boolean(rval);

721 }

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

723 route->expand_h_sender_address = parse_boolean(rval);

724 }

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

726 route->resolve_list = parse_resolve_list(rval);

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

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

729 ;

730 }

731 #ifdef ENABLE_AUTH

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

733 route->auth_name = g_strdup(rval);

734 }

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

736 route->auth_login = g_strdup(rval);

737 }

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

739 route->auth_secret = g_strdup(rval);

740 }

741 #else

742 else if((strcmp(lval, "auth_name") == 0) ||

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

744 (strcmp(lval, "auth_secret") == 0)){

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

746 }

747 #endif

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

749 #ifdef ENABLE_POP3

750 route->pop3_login = g_strdup(rval);

751 #else

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

753 #endif

754 }

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

756 route->pipe = g_strdup(rval);

757 }

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

759 route->pipe_fromline = parse_boolean(rval);

760 }

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

762 route->pipe_fromhack = parse_boolean(rval);

763 }

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

765 route->last_route = parse_boolean(rval);

766 }

767 else

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

769 }

770

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

772 if(is_local_net){

773 route->resolve_list =

774 g_list_append(NULL, resolve_byname);

775 }else{

776 #ifdef ENABLE_RESOLVER

777 route->resolve_list =

778 g_list_append(route->resolve_list, resolve_dns_mx);

779 route->resolve_list =

780 g_list_append(route->resolve_list, resolve_dns_a);

781 #endif

782 route->resolve_list =

783 g_list_append(route->resolve_list, resolve_byname);

784 }

785 }

786 fclose(in);

787 ok = TRUE;

788

789 /* warn user about misconfigurations: */

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

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

792 g_free(route->set_h_from_domain);

793 route->set_h_from_domain = NULL;

794 }

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

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

797 g_free(route->set_h_reply_to_domain);

798 route->set_h_reply_to_domain = NULL;

799 }

800 }else{

801 logwrite(LOG_ALERT, "could not open route file %s: %s\n",

802 route->filename, strerror(errno));

803 }

804

805 if(!ok){

806 g_free(route);

807 route = NULL;

808 }

809

810 return route;

811 }

812

813 static

814 void _g_list_free_all(GList *list)

815 {

816 GList *node;

817 if(list){

818 foreach(list, node)

819 g_free(node->data);

820 g_list_free(list);

821 }

822 }

823

824 void destroy_route(connect_route *r)

825 {

826 if(r->filename) g_free(r->filename);

827 if(r->protocol) g_free(r->protocol);

828 if(r->mail_host){

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

830 g_free(r->mail_host);

831 }

832 if(r->wrapper) g_free(r->wrapper);

833 if(r->helo_name) g_free(r->helo_name);

834 _g_list_free_all(r->allowed_mail_locals);

835 _g_list_free_all(r->not_allowed_mail_locals);

836 _g_list_free_all(r->allowed_rcpt_domains);

837 _g_list_free_all(r->not_allowed_rcpt_domains);

838 if(r->set_h_from_domain) g_free(r->set_h_from_domain);

839 if(r->set_h_reply_to_domain) g_free(r->set_h_reply_to_domain);

840 if(r->set_return_path_domain) g_free(r->set_return_path_domain);

841 if(r->map_h_reply_to_addresses) destroy_table(r->map_h_reply_to_addresses);

842 if(r->resolve_list) g_list_free(r->resolve_list);

843 #ifdef ENABLE_AUTH

844 if(r->auth_name) g_free(r->auth_name);

845 if(r->auth_login) g_free(r->auth_login);

846 if(r->auth_secret) g_free(r->auth_secret);

847 #endif

848 #ifdef ENABLE_POP3

849 if(r->pop3_login) g_free(r->pop3_login);

850 #endif

851 if(r->pipe) g_free(r->pipe);

852 g_free(r);

853 }

854

855 GList *read_route_list(GList *rf_list, gboolean is_local_net)

856 {

857 GList *list = NULL;

858 GList *node;

859 uid_t saved_uid, saved_gid;

860

861 if(!conf.run_as_user){

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

863 }

864

865 foreach(rf_list, node){

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

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

868 if(route)

869 list = g_list_append(list, route);

870 else

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

872 }

873

874 /* set uid and gid back */

875 if(!conf.run_as_user){

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

877 }

878

879 return list;

880 }

881

882 void destroy_route_list(GList *list)

883 {

884 GList *node;

885

886 foreach(list, node){

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

888 destroy_route(route);

889 }

890 g_list_free(list);

891 }

892

893 #ifdef ENABLE_POP3

894

895 get_conf *read_get_conf(gchar *filename)

896 {

897 FILE *in;

898

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

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

901

902 gc->server_port = 110;

903

904 if((in = fopen(filename, "r"))){

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

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

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

908 gc->protocol = g_strdup(rval);

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

910 gc->server_name = g_strdup(rval);

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

912 gc->server_port = atoi(rval);

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

914 gc->wrapper = g_strdup(rval);

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

916 gc->login_user = g_strdup(rval);

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

918 gc->login_pass = g_strdup(rval);

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

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

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

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

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

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

925 ;

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

927 gc->do_keep = parse_boolean(rval);

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

929 gc->do_uidl = parse_boolean(rval);

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

931 gc->do_uidl_dele = parse_boolean(rval);

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

933 gc->max_size = atoi(rval);

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

935 gc->max_size = parse_boolean(rval);

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

937 gc->max_count = atoi(rval);

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

939 gc->resolve_list = parse_resolve_list(rval);

940 else

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

942 }

943 fclose(in);

944

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

946 #ifdef ENABLE_RESOLVER

947 gc->resolve_list =

948 g_list_append(NULL, resolve_dns_a);

949 #endif

950 gc->resolve_list =

951 g_list_append(NULL, resolve_byname);

952 }

953

954 if(gc->protocol == NULL)

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

956 return gc;

957 }

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

959

960 g_free(gc);

961 return NULL;

962 }

963

964 void destroy_get_conf(get_conf *gc)

965 {

966 if(gc->protocol) g_free(gc->protocol);

967 if(gc->server_name) g_free(gc->server_name);

968 if(gc->login_user) g_free(gc->login_user);

969 if(gc->login_pass) g_free(gc->login_pass);

970 if(gc->wrapper) g_free(gc->wrapper);

971 if(gc->address) destroy_address(gc->address);

972 if(gc->return_path) destroy_address(gc->return_path);

973 if(gc->resolve_list) g_list_free(gc->resolve_list);

974 g_free(gc);

975 }

976

977 #endif

978

979 connect_route *create_local_route()

980 {

981 connect_route *route;

982

983 route = g_malloc(sizeof(connect_route));

984 if(route){

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

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

987 route->is_local_net = TRUE;

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

989 route->expand_h_sender_address = TRUE;

990 route->resolve_list =

991 g_list_append(NULL, resolve_byname);

992 route->connect_error_fail = TRUE;

993 }

994 return route;

995 }