masqmail: dc89737b27aa src/masqmail.h

masqmail

view src/masqmail.h @ 189:dc89737b27aa

removed the pop-before-smtp (smtp-after-pop) function this kind of authentication is superseded by SMTP AUTH today removing it is a step towards removing the POP stuff completely If you still rely on pop-before-smtp, stay with 0.2.x or run an arbitrary pop client before

author	meillo@marmaro.de
date	Thu, 15 Jul 2010 10:33:53 +0200
parents	91f8ee6514f5
children	f186650135c3

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 */

18 #include <config.h>

20 #include <stdio.h>

21 #include <stdarg.h>

22 #include <errno.h>

23 #include <stdlib.h>

24 #include <string.h>

25 #include <ctype.h>

26 #include <unistd.h>

27 #include <pwd.h>

28 #include <sys/types.h>

29 #include <sys/socket.h>

30 #include <netinet/in.h>

31 #include <time.h>

32 #include <sys/time.h>

33 #include <netinet/in.h>

34 #include <arpa/inet.h>

35 #include <netdb.h>

36 #include <syslog.h>

37 #include <signal.h>

38 #include <fcntl.h>

40 #include <glib.h>

42 #ifdef ENABLE_IDENT

43 #include "libident/ident.h"

44 #endif

46 #include "lookup.h"

48 typedef struct _interface {

49 gchar *address;

50 gint port;

51 } interface;

53 #define ADDR_FLAG_DELIVERED 0x01

54 #define ADDR_FLAG_DEFERED 0x02

55 #define ADDR_FLAG_FAILED 0x04

56 #define ADDR_FLAG_LAST_ROUTE 0x40

57 #define ADDR_FLAG_NOEXPAND 0x80

59 typedef struct _address {

60 gchar *address;

61 gchar *local_part;

62 gchar *domain;

63 gint flags;

64 GList *children;

65 struct _address *parent;

66 } address;

68 #define addr_mark_delivered(addr) { addr->flags |= ADDR_FLAG_DELIVERED; }

69 #define addr_unmark_delivered(addr) { addr->flags &= ~ADDR_FLAG_DELIVERED; }

70 #define addr_is_delivered(addr) ((addr->flags & ADDR_FLAG_DELIVERED) != 0 )

72 #define addr_mark_defered(addr) { addr->flags |= ADDR_FLAG_DEFERED; }

73 #define addr_unmark_defered(addr) { addr->flags &= ~ADDR_FLAG_DEFERED; }

74 #define addr_is_defered(addr) ((addr->flags & ADDR_FLAG_DEFERED) != 0 )

76 #define addr_mark_failed(addr) { addr->flags |= ADDR_FLAG_FAILED; }

77 #define addr_unmark_failed(addr) { addr->flags &= ~ADDR_FLAG_FAILED; }

78 #define addr_is_failed(addr) ((addr->flags & ADDR_FLAG_FAILED) != 0 )

80 typedef struct _connect_route {

81 gchar *name;

82 gchar *filename;

84 gchar *protocol;

86 gboolean is_local_net;

87 gboolean last_route;

89 GList *allowed_return_paths;

90 GList *not_allowed_return_paths;

91 GList *allowed_mail_locals;

92 GList *not_allowed_mail_locals;

93 GList *allowed_rcpt_domains;

94 GList *not_allowed_rcpt_domains;

96 interface *mail_host;

97 gchar *wrapper;

98 gboolean connect_error_fail;

100 gchar *helo_name;

101 gboolean do_correct_helo;

102 gboolean do_pipelining;

103

104 gchar *set_h_from_domain;

105 gchar *set_h_reply_to_domain;

106 gchar *set_return_path_domain;

107

108 GList *map_h_from_addresses;

109 GList *map_h_reply_to_addresses;

110 GList *map_h_mail_followup_to_addresses;

111 GList *map_return_path_addresses;

112

113 gboolean expand_h_sender_domain;

114 gboolean expand_h_sender_address;

115

116 GList *resolve_list;

117

118 gchar *auth_name;

119 gchar *auth_login;

120 gchar *auth_secret;

121

122 gchar *pop3_login;

123

124 gchar *pipe;

125

126 gboolean pipe_fromline;

127 gboolean pipe_fromhack;

128 } connect_route;

129

130 typedef struct _get_conf {

131 gchar *protocol;

132 gchar *server_name;

133 guint server_port;

134 gchar *wrapper;

135 gchar *login_user;

136 gchar *login_pass;

137 address *address;

138 address *return_path;

139 gboolean do_keep;

140 gboolean do_uidl;

141 gboolean do_uidl_dele;

142 gint max_size;

143 gboolean max_size_delete;

144 gint max_count;

145

146 GList *resolve_list;

147

148 } get_conf;

149

150 typedef struct _masqmail_conf {

151 gint mail_uid;

152 gint mail_gid;

153

154 gint orig_uid;

155 gint orig_gid;

156

157 gboolean run_as_user;

158

159 gchar *mail_dir;

160 gchar *lock_dir;

161 gchar *spool_dir;

162 gchar *log_dir;

163

164 gint debug_level;

165 gboolean use_syslog;

166 guint log_max_pri;

167

168 gchar *host_name;

169 GList *local_hosts;

170 GList *local_addresses;

171 GList *not_local_addresses;

172 GList *local_nets;

173 GList *listen_addresses;

174

175 /* ANSI C defines unsigned long to be at least 32bit

176 i.e. ca. 4GB max; that should be enough. */

177 gulong max_msg_size;

178

179 gboolean do_save_envelope_to;

180

181 gboolean defer_all;

182 gboolean do_relay;

183

184 GList *ident_trusted_nets;

185

186 gboolean do_queue;

187

188 gboolean do_verbose;

189

190 gchar *mbox_default;

191 GList *mbox_users;

192 GList *mda_users;

193 GList *maildir_users;

194

195 gchar *mda;

196 gboolean mda_fromline;

197 gboolean mda_fromhack;

198

199 gboolean pipe_fromline;

200 gboolean pipe_fromhack;

201

202 gchar *alias_file;

203 int (*alias_local_cmp) (const char *, const char *);

204

205 GList *local_net_routes;

206 GList *connect_routes; /* list of pairs which point to lists */

207

208 gchar *online_detect;

209 gchar *online_file;

210 gchar *online_pipe;

211

212 GList *get_names;

213 GList *online_gets; /* list of pairs which point to lists */

214

215 gchar *errmsg_file;

216 gchar *warnmsg_file;

217 GList *warn_intervals;

218 gint max_defer_time;

219

220 gchar *log_user;

221 } masqmail_conf;

222

223 extern masqmail_conf conf;

224

225 typedef struct _table_pair {

226 gchar *key;

227 gpointer *value;

228 } table_pair;

229

230

231 typedef enum _prot_id {

232 PROT_LOCAL = 0,

233 PROT_BSMTP,

234 PROT_SMTP,

235 PROT_ESMTP,

236 PROT_POP3,

237 PROT_APOP,

238 PROT_NUM

239 } prot_id;

240

241 extern gchar *prot_names[];

242

243 typedef enum _header_id {

244 HEAD_FROM = 0,

245 HEAD_SENDER,

246 HEAD_TO,

247 HEAD_CC,

248 HEAD_BCC,

249 HEAD_DATE,

250 HEAD_MESSAGE_ID,

251 HEAD_REPLY_TO,

252 HEAD_SUBJECT,

253 HEAD_RETURN_PATH,

254 HEAD_ENVELOPE_TO,

255 HEAD_RECEIVED,

256 HEAD_NUM_IDS,

257 HEAD_STATUS,

258 HEAD_UNKNOWN = HEAD_NUM_IDS,

259 HEAD_NONE = -1,

260 } header_id;

261

262 typedef struct _header_name {

263 gchar *header;

264 header_id id;

265 } header_name;

266

267 typedef struct _header {

268 header_id id;

269 gchar *header;

270 gchar *value;

271 } header;

272

273

274 typedef struct _message {

275 gchar *uid;

276

277 gchar *received_host;

278 prot_id received_prot;

279 gchar *ident;

280 gint transfer_id; /* for multiple messages per transfer */

281

282 address *return_path;

283 GList *rcpt_list;

284 GList *non_rcpt_list;

285

286 GList *hdr_list;

287 GList *data_list;

288

289 gint data_size;

290 time_t received_time;

291 time_t warned_time;

292

293 gchar *full_sender_name;

294 } message;

295

296 typedef struct _msg_out {

297 message *msg;

298

299 address *return_path;

300 GList *rcpt_list;

301

302 GList *hdr_list;

303 GList *xtra_hdr_list;

304 } msg_out;

305

306 typedef struct _msgout_perhost {

307 gchar *host;

308 GList *msgout_list;

309 } msgout_perhost;

310

311 /* flags for accept() */

312 #define ACC_DEL_RCPTS 0x02 /* -t option, delete rcpts that were given as cmd args */

313 #define ACC_RCPT_FROM_HEAD 0x08 /* -t option, get rcpts from headers */

314 #define ACC_DOT_IGNORE 0x10 /* a dot on a line itself does not end the message (-oi option) */

315 #define ACC_MAIL_FROM_HEAD 0x40 /* get return path from header */

316 #define ACC_NODOT_RELAX 0x80 /* do not be picky if message ist not terminated by a dot on a line */

317 #define ACC_SAVE_ENVELOPE_TO 0x0100 /* save an existent Envelope-to header as X-Orig-Envelope-to */

318

319 #define DLVR_LOCAL 0x01

320 #define DLVR_LAN 0x02

321 #define DLVR_ONLINE 0x04

322 #define DLVR_ALL (DLVR_LOCAL|DLVR_LAN|DLVR_ONLINE)

323

324 /* transport flags */

325 #define MSGSTR_FROMLINE 0x01

326 #define MSGSTR_FROMHACK 0x02

327

328 typedef enum _accept_error {

329 AERR_OK = 0,

330 AERR_TIMEOUT,

331 AERR_EOF,

332 AERR_OVERFLOW,

333 AERR_SYNTAX,

334 AERR_NOSPOOL,

335 AERR_NORCPT,

336 AERR_SIZE, /* max msg size exeeded (SMTP SIZE) */

337 AERR_UNKNOWN

338 } accept_error;

339

340 #define BUF_LEN 1024

341 #define MAX_ADDRESS 256

342 #define MAX_DATALINE 4096

343

344 typedef enum _smtp_cmd_id {

345 SMTP_HELO = 0,

346 SMTP_EHLO,

347 SMTP_MAIL_FROM,

348 SMTP_RCPT_TO,

349 SMTP_DATA,

350 SMTP_QUIT,

351 SMTP_RSET,

352 SMTP_NOOP,

353 SMTP_HELP,

354 SMTP_NUM_IDS,

355 SMTP_EOF = -1,

356 SMTP_ERROR = -2,

357 } smtp_cmd_id;

358

359 typedef struct _smtp_cmd {

360 smtp_cmd_id id;

361 gchar *cmd;

362 } smtp_cmd;

363

364 typedef struct _smtp_connection {

365 gchar *remote_host;

366

367 prot_id prot;

368 gint next_id;

369

370 gboolean helo_seen;

371 gboolean from_seen;

372 gboolean rcpt_seen;

373

374 message *msg;

375 } smtp_connection;

376

377 /* alias.c*/

378 gboolean addr_is_local(address * addr);

379 GList *alias_expand(GList * alias_table, GList * rcpt_list, GList * non_rcpt_list);

380

381 /* child.c */

382 int child(const char *command);

383

384 /* conf.c */

385 void init_conf();

386 gboolean read_conf(gchar * filename);

387 connect_route *read_route(gchar * filename, gboolean is_local_net);

388 GList *read_route_list(GList * rf_list, gboolean is_local_net);

389 void destroy_route(connect_route * r);

390 void destroy_route_list(GList * list);

391 get_conf *read_get_conf(gchar * filename);

392 void destroy_get_conf(get_conf * gc);

393 connect_route *create_local_route();

394

395 /* expand.c */

396 GList *var_table_rcpt(GList * var_table, address * rcpt);

397 GList *var_table_msg(GList * var_table, message * msg);

398 GList *var_table_conf(GList * var_table);

399 gint expand(GList * var_list, gchar * format, gchar * result, gint result_len);

400

401 /* message.c */

402 message *create_message(void);

403 void destroy_message(message * msg);

404 void destroy_msg_list(GList * msg_list);

405 void msg_free_data(message * msg);

406 gint msg_calc_size(message * msg, gboolean is_smtp);

407

408 msg_out *create_msg_out(message * msg);

409 msg_out *clone_msg_out(msg_out * msgout_orig);

410 GList *create_msg_out_list(GList * msg_list);

411 void destroy_msg_out(msg_out * msgout);

412 void destroy_msg_out_list(GList * msgout_list);

413

414 /* address.c */

415 address *create_address(gchar * path, gboolean is_rfc821);

416 address *create_address_qualified(gchar * path, gboolean is_rfc821, gchar * domain);

417 address *create_address_pipe(gchar * path);

418 void destroy_address(address * addr);

419 address *copy_modify_address(const address * orig, gchar * l_part, gchar * dom);

420 #define copy_address(addr) copy_modify_address(addr, NULL, NULL)

421 gboolean addr_isequal(address * addr1, address * addr2);

422 gboolean addr_isequal_parent(address * addr1, address * addr2);

423 address *addr_find_ancestor(address * addr);

424 gboolean addr_is_delivered_children(address * addr);

425 gboolean addr_is_finished_children(address * addr);

426 gchar *addr_string(address * addr);

427 gint addr_match(address * addr1, address * addr2);

428

429 /* accept.c */

430 accept_error accept_message(FILE * in, message * msg, guint flags);

431 accept_error accept_message_prepare(message * msg, guint flags);

432

433 /* header.c */

434 gchar *rec_timestamp();

435 GList *find_header(GList * hdr_list, header_id id, gchar * hdr_str);

436 void header_unfold(header * hdr);

437 void header_fold(header * hdr);

438 header *create_header(header_id id, gchar * fmt, ...);

439 void destroy_header(header * hdr);

440 header *copy_header(header * hdr);

441 header *get_header(gchar * line);

442

443 /* smtp_in.c */

444 void smtp_in(FILE * in, FILE * out, gchar * remote_host, gchar * ident);

445

446 /* listen.c */

447 void listen_port(GList * addr_list, gint qival, char *argv[]);

448

449 /* parse.c */

450 gboolean split_address(const gchar * path, gchar ** local_part, gchar ** domain, gboolean is_rfc821);

451 gboolean parse_address_rfc822(gchar * string, gchar ** local_begin, gchar ** local_end, gchar ** domain_begin, gchar ** domain_end, gchar ** address_end);

452 gboolean parse_address_rfc821(gchar * string, gchar ** local_begin, gchar ** local_end, gchar ** domain_begin, gchar ** domain_end, gchar ** address_end);

453 address *_create_address(gchar * string, gchar ** end, gboolean is_rfc821);

454 address *create_address_rfc821(gchar * string, gchar ** end);

455 address *create_address_rfc822(gchar * string, gchar ** end);

456 GList *addr_list_append_rfc822(GList * addr_list, gchar * string, gchar * domain);

457 gboolean addr_isequal(address * addr1, address * addr2);

458

459 /* connect.c */

460 mxip_addr *connect_hostlist(int *psockfd, gchar * host, guint port, GList * addr_list);

461 mxip_addr *connect_resolvelist(int *psockfd, gchar * host, guint port, GList * res_funcs);

462

463 /* deliver.c */

464 void msg_rcptlist_local(GList * rcpt_list, GList **, GList **);