masqmail: e230bcd0f1c6 src/masqmail.h

masqmail

view src/masqmail.h @ 311:e230bcd0f1c6

removed protocol option from route config It was somehow redundant. Now, if `pipe' is set, the protocol will be pipe, otherwise it'll be smtp. That's just natural.

author	meillo@marmaro.de
date	Sun, 24 Apr 2011 19:37:56 +0200
parents	f10a56dc7481
children	55b7bde95d37

line source

1 /* MasqMail

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

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

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

8 (at your option) any later version.

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

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

12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

13 GNU General Public License for more details.

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

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

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

18 */

19 #include <config.h>

21 #include <stdio.h>

22 #include <stdarg.h>

23 #include <errno.h>

24 #include <stdlib.h>

25 #include <string.h>

26 #include <ctype.h>

27 #include <unistd.h>

28 #include <pwd.h>

29 #include <sys/types.h>

30 #include <sys/socket.h>

31 #include <netinet/in.h>

32 #include <time.h>

33 #include <sys/time.h>

34 #include <netinet/in.h>

35 #include <arpa/inet.h>

36 #include <netdb.h>

37 #include <syslog.h>

38 #include <signal.h>

39 #include <fcntl.h>

41 #include <glib.h>

43 #ifdef ENABLE_IDENT

44 #include "libident/ident.h"

45 #endif

47 #include "lookup.h"

49 typedef struct _interface {

50 gchar *address;

51 gint port;

52 } interface;

54 #define ADDR_FLAG_DELIVERED 0x01

55 #define ADDR_FLAG_DEFERED 0x02

56 #define ADDR_FLAG_FAILED 0x04

57 #define ADDR_FLAG_LAST_ROUTE 0x40

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 gboolean is_local_net;

85 gboolean last_route;

87 GList *allowed_return_paths;

88 GList *not_allowed_return_paths;

89 GList *allowed_mail_locals;

90 GList *not_allowed_mail_locals;

91 GList *allowed_rcpt_domains;

92 GList *not_allowed_rcpt_domains;

94 interface *mail_host;

95 gchar *wrapper;

96 gboolean connect_error_fail;

98 gchar *helo_name;

99 gboolean do_correct_helo;

100 gboolean instant_helo;

101 gboolean do_pipelining;

102

103 gchar *set_h_from_domain;

104 gchar *set_h_reply_to_domain;

105 gchar *set_return_path_domain;

106

107 GList *map_h_from_addresses;

108 GList *map_h_reply_to_addresses;

109 GList *map_h_mail_followup_to_addresses;

110 GList *map_return_path_addresses;

111

112 gboolean expand_h_sender_domain;

113 gboolean expand_h_sender_address;

114

115 GList *resolve_list;

116

117 gchar *auth_name;

118 gchar *auth_login;

119 gchar *auth_secret;

120

121 gchar *pipe;

122

123 gboolean pipe_fromline;

124 gboolean pipe_fromhack;

125 } connect_route;

126

127 typedef struct _masqmail_conf {

128 gint mail_uid;

129 gint mail_gid;

130

131 gint orig_uid;

132 gint orig_gid;

133

134 gboolean run_as_user;

135

136 gchar *mail_dir;

137 gchar *lock_dir;

138 gchar *spool_dir;

139 gchar *log_dir;

140

141 gint debug_level;

142 gboolean use_syslog;

143 guint log_max_pri;

144

145 gchar *host_name;

146 GList *local_hosts;

147 GList *local_addresses;

148 GList *not_local_addresses;

149 GList *local_nets;

150 GList *listen_addresses;

151

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

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

154 gulong max_msg_size;

155

156 gboolean do_save_envelope_to;

157

158 gboolean defer_all;

159 gboolean do_relay;

160

161 GList *ident_trusted_nets;

162

163 gboolean do_queue;

164

165 gboolean do_verbose;

166

167 gchar *mbox_default;

168 GList *mbox_users;

169 GList *mda_users;

170

171 gchar *mda;

172 gboolean mda_fromline;

173 gboolean mda_fromhack;

174

175 gboolean pipe_fromline;

176 gboolean pipe_fromhack;

177

178 gchar *alias_file;

179 int (*localpartcmp) (const char *, const char *);

180

181 GList *local_net_routes;

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

183

184 gchar *online_query;

185

186 gchar *errmsg_file;

187 gchar *warnmsg_file;

188 GList *warn_intervals;

189 gint max_defer_time;

190

191 gchar *log_user;

192 } masqmail_conf;

193

194 extern masqmail_conf conf;

195

196 typedef struct _table_pair {

197 gchar *key;

198 gpointer *value;

199 } table_pair;

200

201

202 /* must match the contents of prot_names[] in accept.c */

203 typedef enum _prot_id {

204 PROT_LOCAL = 0,

205 PROT_SMTP,

206 PROT_ESMTP,

207 PROT_NUM

208 } prot_id;

209

210 extern gchar *prot_names[];

211

212 typedef enum _header_id {

213 HEAD_FROM = 0,

214 HEAD_SENDER,

215 HEAD_TO,

216 HEAD_CC,

217 HEAD_BCC,

218 HEAD_DATE,

219 HEAD_MESSAGE_ID,

220 HEAD_REPLY_TO,

221 HEAD_SUBJECT,

222 HEAD_RETURN_PATH,

223 HEAD_ENVELOPE_TO,

224 HEAD_RECEIVED,

225 HEAD_NUM_IDS,

226 HEAD_STATUS,

227 HEAD_UNKNOWN = HEAD_NUM_IDS,

228 HEAD_NONE = -1,

229 } header_id;

230

231 typedef struct _header_name {

232 gchar *header;

233 header_id id;

234 } header_name;

235

236 typedef struct _header {

237 header_id id;

238 gchar *header;

239 gchar *value;

240 } header;

241

242

243 typedef struct _message {

244 gchar *uid;

245

246 gchar *received_host;

247 prot_id received_prot;

248 gchar *ident;

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

250

251 address *return_path;

252 GList *rcpt_list;

253 GList *non_rcpt_list;

254

255 GList *hdr_list;

256 GList *data_list;

257

258 gint data_size;

259 time_t received_time;

260 time_t warned_time;

261

262 gchar *full_sender_name;

263 } message;

264

265 typedef struct _msg_out {

266 message *msg;

267

268 address *return_path;

269 GList *rcpt_list;

270

271 GList *hdr_list;

272 GList *xtra_hdr_list;

273 } msg_out;

274

275 typedef struct _msgout_perhost {

276 gchar *host;

277 GList *msgout_list;

278 } msgout_perhost;

279

280 /* flags for accept() */

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

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

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

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

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

286

287 #define DLVR_LOCAL 0x01

288 #define DLVR_LAN 0x02

289 #define DLVR_ONLINE 0x04

290 #define DLVR_ALL (DLVR_LOCAL|DLVR_LAN|DLVR_ONLINE)

291

292 /* transport flags */

293 #define MSGSTR_FROMLINE 0x01

294 #define MSGSTR_FROMHACK 0x02

295

296 typedef enum _accept_error {

297 AERR_OK = 0,

298 AERR_TIMEOUT,

299 AERR_EOF,

300 AERR_OVERFLOW,

301 AERR_SYNTAX,

302 AERR_NOSPOOL,

303 AERR_NORCPT,

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

305 AERR_UNKNOWN

306 } accept_error;

307

308 #define BUF_LEN 1024

309 #define MAX_ADDRESS 256

310 #define MAX_DATALINE 4096

311

312 typedef enum _smtp_cmd_id {

313 SMTP_HELO = 0,

314 SMTP_EHLO,

315 SMTP_MAIL_FROM,

316 SMTP_RCPT_TO,

317 SMTP_DATA,

318 SMTP_QUIT,

319 SMTP_RSET,

320 SMTP_NOOP,

321 SMTP_HELP,

322 SMTP_NUM_IDS,

323 SMTP_EOF = -1,

324 SMTP_ERROR = -2,

325 } smtp_cmd_id;

326

327 typedef struct _smtp_cmd {

328 smtp_cmd_id id;

329 gchar *cmd;

330 } smtp_cmd;

331

332 typedef struct _smtp_connection {

333 gchar *remote_host;

334

335 prot_id prot;

336 gint next_id;

337

338 gboolean helo_seen;

339 gboolean from_seen;

340 gboolean rcpt_seen;

341

342 message *msg;

343 } smtp_connection;

344

345 /* alias.c*/

346 gboolean addr_is_local(address * addr);

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

348

349 /* child.c */

350 int child(const char *command);

351

352 /* conf.c */

353 void init_conf();

354 gboolean read_conf(gchar * filename);

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

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

357 void destroy_route(connect_route * r);

358 void destroy_route_list(GList * list);

359 connect_route *create_local_route();

360

361 /* expand.c */

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

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

364 GList *var_table_conf(GList * var_table);

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

366

367 /* message.c */

368 message *create_message(void);

369 void destroy_message(message * msg);

370 void destroy_msg_list(GList * msg_list);

371 void msg_free_data(message * msg);

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

373

374 msg_out *create_msg_out(message * msg);

375 msg_out *clone_msg_out(msg_out * msgout_orig);

376 GList *create_msg_out_list(GList * msg_list);

377 void destroy_msg_out(msg_out * msgout);

378 void destroy_msg_out_list(GList * msgout_list);

379

380 /* address.c */

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

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

383 address *create_address_pipe(gchar * path);

384 void destroy_address(address * addr);

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

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

387 gboolean addr_isequal(address * addr1, address * addr2, int (*cmpfunc) (const char*, const char*));

388 gboolean addr_isequal_parent(address * addr1, address * addr2, int (*cmpfunc) (const char*, const char*));

389 address *addr_find_ancestor(address * addr);

390 gboolean addr_is_delivered_children(address * addr);

391 gboolean addr_is_finished_children(address * addr);

392 gchar *addr_string(address * addr);

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

394

395 /* accept.c */

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

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

398

399 /* header.c */

400 gchar *rec_timestamp();

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

402 void header_unfold(header * hdr);

403 void header_fold(header * hdr, unsigned int maxlen);

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

405 void destroy_header(header * hdr);

406 header *copy_header(header * hdr);

407 header *get_header(gchar * line);

408

409 /* smtp_in.c */

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

411

412 /* listen.c */

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

414

415 /* parse.c */

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

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

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

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

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

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

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

423

424 /* connect.c */

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

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

427

428 /* deliver.c */

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

430 gboolean deliver_local(msg_out * msgout);