masqmail: 55b7bde95d37 src/masqmail.h

masqmail

view src/masqmail.h @ 317:55b7bde95d37

reworked allowed and denied addrs for routes The following refactorings had been made: - allowed_mail_locals + allowed_return_paths -> allowed_senders - not_allowed_mail_locals + not_allowed_return_paths -> denied_senders - allowed_rcpt_domains -> allowed_recipients - not_allowed_rcpt_domains -> denied_recipients The new options allow more consistent and more flexible matching.

author	meillo@marmaro.de
date	Thu, 28 Apr 2011 09:55:06 +0200
parents	e230bcd0f1c6
children	4c705c34182f

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_senders;

88 GList *denied_senders;

89 GList *allowed_recipients;

90 GList *denied_recipients;

92 interface *mail_host;

93 gchar *wrapper;

94 gboolean connect_error_fail;

96 gchar *helo_name;

97 gboolean do_correct_helo;

98 gboolean instant_helo;

99 gboolean do_pipelining;

100

101 gchar *set_h_from_domain;

102 gchar *set_h_reply_to_domain;

103 gchar *set_return_path_domain;

104

105 GList *map_h_from_addresses;

106 GList *map_h_reply_to_addresses;

107 GList *map_h_mail_followup_to_addresses;

108 GList *map_return_path_addresses;

109

110 gboolean expand_h_sender_domain;

111 gboolean expand_h_sender_address;

112

113 GList *resolve_list;

114

115 gchar *auth_name;

116 gchar *auth_login;

117 gchar *auth_secret;

118

119 gchar *pipe;

120

121 gboolean pipe_fromline;

122 gboolean pipe_fromhack;

123 } connect_route;

124

125 typedef struct _masqmail_conf {

126 gint mail_uid;

127 gint mail_gid;

128

129 gint orig_uid;

130 gint orig_gid;

131

132 gboolean run_as_user;

133

134 gchar *mail_dir;

135 gchar *lock_dir;

136 gchar *spool_dir;

137 gchar *log_dir;

138

139 gint debug_level;

140 gboolean use_syslog;

141 guint log_max_pri;

142

143 gchar *host_name;

144 GList *local_hosts;

145 GList *local_addresses;

146 GList *not_local_addresses;

147 GList *local_nets;

148 GList *listen_addresses;

149

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

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

152 gulong max_msg_size;

153

154 gboolean do_save_envelope_to;

155

156 gboolean defer_all;

157 gboolean do_relay;

158

159 GList *ident_trusted_nets;

160

161 gboolean do_queue;

162

163 gboolean do_verbose;

164

165 gchar *mbox_default;

166 GList *mbox_users;

167 GList *mda_users;

168

169 gchar *mda;

170 gboolean mda_fromline;

171 gboolean mda_fromhack;

172

173 gboolean pipe_fromline;

174 gboolean pipe_fromhack;

175

176 gchar *alias_file;

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

178

179 GList *local_net_routes;

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

181

182 gchar *online_query;

183

184 gchar *errmsg_file;

185 gchar *warnmsg_file;

186 GList *warn_intervals;

187 gint max_defer_time;

188

189 gchar *log_user;

190 } masqmail_conf;

191

192 extern masqmail_conf conf;

193

194 typedef struct _table_pair {

195 gchar *key;

196 gpointer *value;

197 } table_pair;

198

199

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

201 typedef enum _prot_id {

202 PROT_LOCAL = 0,

203 PROT_SMTP,

204 PROT_ESMTP,

205 PROT_NUM

206 } prot_id;

207

208 extern gchar *prot_names[];

209

210 typedef enum _header_id {

211 HEAD_FROM = 0,

212 HEAD_SENDER,

213 HEAD_TO,

214 HEAD_CC,

215 HEAD_BCC,

216 HEAD_DATE,

217 HEAD_MESSAGE_ID,

218 HEAD_REPLY_TO,

219 HEAD_SUBJECT,

220 HEAD_RETURN_PATH,

221 HEAD_ENVELOPE_TO,

222 HEAD_RECEIVED,

223 HEAD_NUM_IDS,

224 HEAD_STATUS,

225 HEAD_UNKNOWN = HEAD_NUM_IDS,

226 HEAD_NONE = -1,

227 } header_id;

228

229 typedef struct _header_name {

230 gchar *header;

231 header_id id;

232 } header_name;

233

234 typedef struct _header {

235 header_id id;

236 gchar *header;

237 gchar *value;

238 } header;

239

240

241 typedef struct _message {

242 gchar *uid;

243

244 gchar *received_host;

245 prot_id received_prot;

246 gchar *ident;

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

248

249 address *return_path;

250 GList *rcpt_list;

251 GList *non_rcpt_list;

252

253 GList *hdr_list;

254 GList *data_list;

255

256 gint data_size;

257 time_t received_time;

258 time_t warned_time;

259

260 gchar *full_sender_name;

261 } message;

262

263 typedef struct _msg_out {

264 message *msg;

265

266 address *return_path;

267 GList *rcpt_list;

268

269 GList *hdr_list;

270 GList *xtra_hdr_list;

271 } msg_out;

272

273 typedef struct _msgout_perhost {

274 gchar *host;

275 GList *msgout_list;

276 } msgout_perhost;

277

278 /* flags for accept() */

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

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

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

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

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

284

285 #define DLVR_LOCAL 0x01

286 #define DLVR_LAN 0x02

287 #define DLVR_ONLINE 0x04

288 #define DLVR_ALL (DLVR_LOCAL|DLVR_LAN|DLVR_ONLINE)

289

290 /* transport flags */

291 #define MSGSTR_FROMLINE 0x01

292 #define MSGSTR_FROMHACK 0x02

293

294 typedef enum _accept_error {

295 AERR_OK = 0,

296 AERR_TIMEOUT,

297 AERR_EOF,

298 AERR_OVERFLOW,

299 AERR_SYNTAX,

300 AERR_NOSPOOL,

301 AERR_NORCPT,

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

303 AERR_UNKNOWN

304 } accept_error;

305

306 #define BUF_LEN 1024

307 #define MAX_ADDRESS 256

308 #define MAX_DATALINE 4096

309

310 typedef enum _smtp_cmd_id {

311 SMTP_HELO = 0,

312 SMTP_EHLO,

313 SMTP_MAIL_FROM,

314 SMTP_RCPT_TO,

315 SMTP_DATA,

316 SMTP_QUIT,

317 SMTP_RSET,

318 SMTP_NOOP,

319 SMTP_HELP,

320 SMTP_NUM_IDS,

321 SMTP_EOF = -1,

322 SMTP_ERROR = -2,

323 } smtp_cmd_id;

324

325 typedef struct _smtp_cmd {

326 smtp_cmd_id id;

327 gchar *cmd;

328 } smtp_cmd;

329

330 typedef struct _smtp_connection {

331 gchar *remote_host;

332

333 prot_id prot;

334 gint next_id;

335

336 gboolean helo_seen;

337 gboolean from_seen;

338 gboolean rcpt_seen;

339

340 message *msg;

341 } smtp_connection;

342

343 /* alias.c*/

344 gboolean addr_is_local(address * addr);

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

346

347 /* child.c */

348 int child(const char *command);

349

350 /* conf.c */

351 void init_conf();

352 gboolean read_conf(gchar * filename);

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

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

355 void destroy_route(connect_route * r);

356 void destroy_route_list(GList * list);

357 connect_route *create_local_route();

358

359 /* expand.c */

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

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

362 GList *var_table_conf(GList * var_table);

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

364

365 /* message.c */

366 message *create_message(void);

367 void destroy_message(message * msg);

368 void destroy_msg_list(GList * msg_list);

369 void msg_free_data(message * msg);

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

371

372 msg_out *create_msg_out(message * msg);

373 msg_out *clone_msg_out(msg_out * msgout_orig);

374 GList *create_msg_out_list(GList * msg_list);

375 void destroy_msg_out(msg_out * msgout);

376 void destroy_msg_out_list(GList * msgout_list);

377

378 /* address.c */

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

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

381 address *create_address_pipe(gchar * path);

382 void destroy_address(address * addr);

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

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

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

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

387 address *addr_find_ancestor(address * addr);

388 gboolean addr_is_delivered_children(address * addr);

389 gboolean addr_is_finished_children(address * addr);

390 gchar *addr_string(address * addr);

391

392 /* accept.c */

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

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

395

396 /* header.c */

397 gchar *rec_timestamp();

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

399 void header_unfold(header * hdr);

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

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

402 void destroy_header(header * hdr);

403 header *copy_header(header * hdr);

404 header *get_header(gchar * line);

405

406 /* smtp_in.c */

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

408

409 /* listen.c */

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

411

412 /* parse.c */

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

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

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

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

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

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

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

420

421 /* connect.c */

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

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

424

425 /* deliver.c */

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

427 gboolean deliver_local(msg_out * msgout);