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[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.84 2009/10/15 08:27:37 tom Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2007 */
8 /* See the file NOTICE for conditions of use and distribution. */
9
10 /* All the global variables are defined together in this one module, so
11 that they are easy to find. */
12
13 #include "exim.h"
14
15
16 /* The OSF1 linker puts out a worrying warning if any sections contain no
17 executable code. It says
18
19 Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
21 problems.
22
23 As this may cause people to worry needlessly, include a dummy function here
24 to stop the message from appearing. Make it reference itself to stop picky
25 compilers complaining that it is unused, and put in a dummy argument to stop
26 even pickier compilers complaining about infinite loops. */
27
28 static void dummy(int x) { dummy(x-1); }
29
30
31 /* Generic options for auths, all of which live inside auth_instance
32 data blocks and hence have the opt_public flag set. */
33
34 optionlist optionlist_auths[] = {
35 { "client_condition", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, client_condition)) },
37 { "driver", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, driver_name)) },
39 { "public_name", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, public_name)) },
41 { "server_advertise_condition", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, advertise_condition))},
43 { "server_condition", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, server_condition)) },
45 { "server_debug_print", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, server_debug_string)) },
47 { "server_mail_auth_condition", opt_stringptr | opt_public,
48 (void *)(offsetof(auth_instance, mail_auth_condition)) },
49 { "server_set_id", opt_stringptr | opt_public,
50 (void *)(offsetof(auth_instance, set_id)) }
51 };
52
53 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
54
55 /* An empty host aliases list. */
56
57 uschar *no_aliases = NULL;
58
59
60 /* For comments on these variables, see globals.h. I'm too idle to
61 duplicate them here... */
62
63 #ifdef EXIM_PERL
64 uschar *opt_perl_startup = NULL;
65 BOOL opt_perl_at_start = FALSE;
66 BOOL opt_perl_started = FALSE;
67 #endif
68
69 #ifdef EXPAND_DLFUNC
70 tree_node *dlobj_anchor = NULL;
71 #endif
72
73 #ifdef LOOKUP_IBASE
74 uschar *ibase_servers = NULL;
75 #endif
76
77 #ifdef LOOKUP_LDAP
78 uschar *eldap_default_servers = NULL;
79 int eldap_version = -1;
80 #endif
81
82 #ifdef LOOKUP_MYSQL
83 uschar *mysql_servers = NULL;
84 #endif
85
86 #ifdef LOOKUP_ORACLE
87 uschar *oracle_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_PGSQL
91 uschar *pgsql_servers = NULL;
92 #endif
93
94 #ifdef LOOKUP_SQLITE
95 int sqlite_lock_timeout = 5;
96 #endif
97
98 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
99 BOOL move_frozen_messages = FALSE;
100 #endif
101
102 /* These variables are outside the #ifdef because it keeps the code less
103 cluttered in several places (e.g. during logging) if we can always refer to
104 them. Also, the tls_ variables are now always visible. */
105
106 BOOL tls_active = -1;
107 BOOL tls_certificate_verified = FALSE;
108 uschar *tls_cipher = NULL;
109 BOOL tls_on_connect = FALSE;
110 uschar *tls_on_connect_ports = NULL;
111 uschar *tls_peerdn = NULL;
112
113 #ifdef SUPPORT_TLS
114 uschar *gnutls_require_mac = NULL;
115 uschar *gnutls_require_kx = NULL;
116 uschar *gnutls_require_proto = NULL;
117 const pcre *regex_STARTTLS = NULL;
118 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
119 uschar *tls_certificate = NULL;
120 uschar *tls_crl = NULL;
121 uschar *tls_dhparam = NULL;
122 BOOL tls_offered = FALSE;
123 uschar *tls_privatekey = NULL;
124 BOOL tls_remember_esmtp = FALSE;
125 uschar *tls_require_ciphers = NULL;
126 uschar *tls_try_verify_hosts = NULL;
127 uschar *tls_verify_certificates= NULL;
128 uschar *tls_verify_hosts = NULL;
129 #endif
130
131
132 /* Input-reading functions for messages, so we can use special ones for
133 incoming TCP/IP. The defaults use stdin. We never need these for any
134 stand-alone tests. */
135
136 #ifndef STAND_ALONE
137 int (*receive_getc)(void) = stdin_getc;
138 int (*receive_ungetc)(int) = stdin_ungetc;
139 int (*receive_feof)(void) = stdin_feof;
140 int (*receive_ferror)(void) = stdin_ferror;
141 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
142 #endif
143
144
145 /* List of per-address expansion variables for clearing and saving/restoring
146 when verifying one address while routing/verifying another. We have to have
147 the size explicit, because it is referenced from more than one module. */
148
149 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
150 &deliver_address_data,
151 &deliver_domain,
152 &deliver_domain_data,
153 &deliver_domain_orig,
154 &deliver_domain_parent,
155 &deliver_localpart,
156 &deliver_localpart_data,
157 &deliver_localpart_orig,
158 &deliver_localpart_parent,
159 &deliver_localpart_prefix,
160 &deliver_localpart_suffix,
161 (uschar **)(&deliver_recipients),
162 &deliver_host,
163 &deliver_home,
164 &address_file,
165 &address_pipe,
166 &self_hostname,
167 NULL };
168
169 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
170
171 /* General global variables */
172
173 header_line *acl_added_headers = NULL;
174 tree_node *acl_anchor = NULL;
175
176 uschar *acl_not_smtp = NULL;
177 #ifdef WITH_CONTENT_SCAN
178 uschar *acl_not_smtp_mime = NULL;
179 #endif
180 uschar *acl_not_smtp_start = NULL;
181
182 uschar *acl_smtp_auth = NULL;
183 uschar *acl_smtp_connect = NULL;
184 uschar *acl_smtp_data = NULL;
185 #ifndef DISABLE_DKIM
186 uschar *acl_smtp_dkim = NULL;
187 #endif
188 uschar *acl_smtp_etrn = NULL;
189 uschar *acl_smtp_expn = NULL;
190 uschar *acl_smtp_helo = NULL;
191 uschar *acl_smtp_mail = NULL;
192 uschar *acl_smtp_mailauth = NULL;
193 #ifdef WITH_CONTENT_SCAN
194 uschar *acl_smtp_mime = NULL;
195 #endif
196 uschar *acl_smtp_notquit = NULL;
197 uschar *acl_smtp_predata = NULL;
198 uschar *acl_smtp_quit = NULL;
199 uschar *acl_smtp_rcpt = NULL;
200 uschar *acl_smtp_starttls = NULL;
201 uschar *acl_smtp_vrfy = NULL;
202
203 BOOL acl_temp_details = FALSE;
204 tree_node *acl_var_c = NULL;
205 tree_node *acl_var_m = NULL;
206 uschar *acl_verify_message = NULL;
207 string_item *acl_warn_logged = NULL;
208
209 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
210 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
211
212 uschar *acl_wherenames[] = { US"RCPT",
213 US"MAIL",
214 US"PREDATA",
215 US"MIME",
216 US"DKIM",
217 US"DATA",
218 US"non-SMTP",
219 US"AUTH",
220 US"connection",
221 US"ETRN",
222 US"EXPN",
223 US"EHLO or HELO",
224 US"MAILAUTH",
225 US"non-SMTP-start",
226 US"NOTQUIT",
227 US"QUIT",
228 US"STARTTLS",
229 US"VRFY"
230 };
231
232 uschar *acl_wherecodes[] = { US"550", /* RCPT */
233 US"550", /* MAIL */
234 US"550", /* PREDATA */
235 US"550", /* MIME */
236 US"550", /* DKIM */
237 US"550", /* DATA */
238 US"0", /* not SMTP; not relevant */
239 US"503", /* AUTH */
240 US"550", /* connect */
241 US"458", /* ETRN */
242 US"550", /* EXPN */
243 US"550", /* HELO/EHLO */
244 US"0", /* MAILAUTH; not relevant */
245 US"0", /* not SMTP; not relevant */
246 US"0", /* NOTQUIT; not relevant */
247 US"0", /* QUIT; not relevant */
248 US"550", /* STARTTLS */
249 US"252" /* VRFY */
250 };
251
252 BOOL active_local_from_check = FALSE;
253 BOOL active_local_sender_retain = FALSE;
254 BOOL accept_8bitmime = FALSE;
255 address_item *addr_duplicate = NULL;
256
257 address_item address_defaults = {
258 NULL, /* next */
259 NULL, /* parent */
260 NULL, /* first */
261 NULL, /* dupof */
262 NULL, /* start_router */
263 NULL, /* router */
264 NULL, /* transport */
265 NULL, /* host_list */
266 NULL, /* host_used */
267 NULL, /* fallback_hosts */
268 NULL, /* reply */
269 NULL, /* retries */
270 NULL, /* address */
271 NULL, /* unique */
272 NULL, /* cc_local_part */
273 NULL, /* lc_local_part */
274 NULL, /* local_part */
275 NULL, /* prefix */
276 NULL, /* suffix */
277 NULL, /* domain */
278 NULL, /* address_retry_key */
279 NULL, /* domain_retry_key */
280 NULL, /* current_dir */
281 NULL, /* home_dir */
282 NULL, /* message */
283 NULL, /* user_message */
284 NULL, /* onetime_parent */
285 NULL, /* pipe_expandn */
286 NULL, /* return_filename */
287 NULL, /* self_hostname */
288 NULL, /* shadow_message */
289 #ifdef SUPPORT_TLS
290 NULL, /* cipher */
291 NULL, /* peerdn */
292 #endif
293 (uid_t)(-1), /* uid */
294 (gid_t)(-1), /* gid */
295 0, /* flags */
296 { 0 }, /* domain_cache - any larger array should be zeroed */
297 { 0 }, /* localpart_cache - ditto */
298 -1, /* mode */
299 0, /* more_errno */
300 ERRNO_UNKNOWNERROR, /* basic_errno */
301 0, /* child_count */
302 -1, /* return_file */
303 SPECIAL_NONE, /* special_action */
304 DEFER, /* transport_return */
305 { /* fields that are propagated to children */
306 NULL, /* address_data */
307 NULL, /* domain_data */
308 NULL, /* localpart_data */
309 NULL, /* errors_address */
310 NULL, /* extra_headers */
311 NULL, /* remove_headers */
312 #ifdef EXPERIMENTAL_SRS
313 NULL, /* srs_sender */
314 #endif
315 }
316 };
317
318 uschar *address_file = NULL;
319 uschar *address_pipe = NULL;
320 BOOL address_test_mode = FALSE;
321 tree_node *addresslist_anchor = NULL;
322 int addresslist_count = 0;
323 gid_t *admin_groups = NULL;
324 BOOL admin_user = FALSE;
325 BOOL allow_auth_unadvertised= FALSE;
326 BOOL allow_domain_literals = FALSE;
327 BOOL allow_mx_to_ip = FALSE;
328 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
329 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
330 BOOL allow_utf8_domains = FALSE;
331 uschar *authenticated_id = NULL;
332 uschar *authenticated_sender = NULL;
333 BOOL authentication_failed = FALSE;
334 auth_instance *auths = NULL;
335 uschar *auth_advertise_hosts = US"*";
336 auth_instance auth_defaults = {
337 NULL, /* chain pointer */
338 NULL, /* name */
339 NULL, /* info */
340 NULL, /* private options block pointer */
341 NULL, /* driver_name */
342 NULL, /* advertise_condition */
343 NULL, /* client_condition */
344 NULL, /* public_name */
345 NULL, /* set_id */
346 NULL, /* server_mail_auth_condition */
347 NULL, /* server_debug_string */
348 NULL, /* server_condition */
349 FALSE, /* client */
350 FALSE, /* server */
351 FALSE /* advertised */
352 };
353
354 uschar *auth_defer_msg = US"reason not recorded";
355 uschar *auth_defer_user_msg = US"";
356 uschar *auth_vars[AUTH_VARS];
357 int auto_thaw = 0;
358 #ifdef WITH_CONTENT_SCAN
359 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
360 #endif
361
362 BOOL background_daemon = TRUE;
363
364 #if BASE_62 == 62
365 uschar *base62_chars=
366 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
367 #else
368 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
369 #endif
370
371 uschar *bi_command = NULL;
372 uschar *big_buffer = NULL;
373 int big_buffer_size = BIG_BUFFER_SIZE;
374 #ifdef EXPERIMENTAL_BRIGHTMAIL
375 uschar *bmi_alt_location = NULL;
376 uschar *bmi_base64_tracker_verdict = NULL;
377 uschar *bmi_base64_verdict = NULL;
378 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
379 int bmi_deliver = 1;
380 int bmi_run = 0;
381 uschar *bmi_verdicts = NULL;
382 #endif
383 int body_linecount = 0;
384 int body_zerocount = 0;
385 uschar *bounce_message_file = NULL;
386 uschar *bounce_message_text = NULL;
387 uschar *bounce_recipient = NULL;
388 BOOL bounce_return_body = TRUE;
389 BOOL bounce_return_message = TRUE;
390 int bounce_return_size_limit = 100*1024;
391 uschar *bounce_sender_authentication = NULL;
392 int bsmtp_transaction_linecount = 0;
393
394 int callout_cache_domain_positive_expire = 7*24*60*60;
395 int callout_cache_domain_negative_expire = 3*60*60;
396 int callout_cache_positive_expire = 24*60*60;
397 int callout_cache_negative_expire = 2*60*60;
398 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
399 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
400 int check_log_inodes = 0;
401 int check_log_space = 0;
402 BOOL check_rfc2047_length = TRUE;
403 int check_spool_inodes = 0;
404 int check_spool_space = 0;
405 int clmacro_count = 0;
406 uschar *clmacros[MAX_CLMACROS];
407 BOOL config_changed = FALSE;
408 FILE *config_file = NULL;
409 uschar *config_filename = NULL;
410 int config_lineno = 0;
411 #ifdef CONFIGURE_GROUP
412 gid_t config_gid = CONFIGURE_GROUP;
413 #endif
414 uschar *config_main_filelist = US CONFIGURE_FILE
415 "\0<-----------Space to patch configure_filename->";
416 uschar *config_main_filename = NULL;
417
418 #ifdef CONFIGURE_OWNER
419 uid_t config_uid = CONFIGURE_OWNER;
420 #endif
421
422 int connection_max_messages= -1;
423 uschar *continue_hostname = NULL;
424 uschar *continue_host_address = NULL;
425 BOOL continue_more = FALSE;
426 int continue_sequence = 1;
427 uschar *continue_transport = NULL;
428
429 uschar *csa_status = NULL;
430
431 BOOL daemon_listen = FALSE;
432 uschar *daemon_smtp_port = US"smtp";
433 int daemon_startup_retries = 9;
434 int daemon_startup_sleep = 30;
435
436 #ifdef EXPERIMENTAL_DCC
437 BOOL dcc_direct_add_header = FALSE;
438 uschar *dcc_header = NULL;
439 uschar *dcc_result = NULL;
440 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
441 uschar *dccifd_options = US"header";
442 #endif
443
444 BOOL debug_daemon = FALSE;
445 int debug_fd = -1;
446 FILE *debug_file = NULL;
447 bit_table debug_options[] = {
448 { US"acl", D_acl },
449 { US"all", D_all },
450 { US"auth", D_auth },
451 { US"deliver", D_deliver },
452 { US"dns", D_dns },
453 { US"dnsbl", D_dnsbl },
454 { US"exec", D_exec },
455 { US"expand", D_expand },
456 { US"filter", D_filter },
457 { US"hints_lookup", D_hints_lookup },
458 { US"host_lookup", D_host_lookup },
459 { US"ident", D_ident },
460 { US"interface", D_interface },
461 { US"lists", D_lists },
462 { US"load", D_load },
463 { US"local_scan", D_local_scan },
464 { US"lookup", D_lookup },
465 { US"memory", D_memory },
466 { US"pid", D_pid },
467 { US"process_info", D_process_info },
468 { US"queue_run", D_queue_run },
469 { US"receive", D_receive },
470 { US"resolver", D_resolver },
471 { US"retry", D_retry },
472 { US"rewrite", D_rewrite },
473 { US"route", D_route },
474 { US"timestamp", D_timestamp },
475 { US"tls", D_tls },
476 { US"transport", D_transport },
477 { US"uid", D_uid },
478 { US"verify", D_verify }
479 };
480 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
481 unsigned int debug_selector = 0;
482 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
483 uschar *delay_warning_condition=
484 US"${if or {"
485 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
486 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
487 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
488 "} {no}{yes}}";
489 BOOL delivery_date_remove = TRUE;
490 uschar *deliver_address_data = NULL;
491 int deliver_datafile = -1;
492 uschar *deliver_domain = NULL;
493 uschar *deliver_domain_data = NULL;
494 uschar *deliver_domain_orig = NULL;
495 uschar *deliver_domain_parent = NULL;
496 BOOL deliver_drop_privilege = FALSE;
497 BOOL deliver_firsttime = FALSE;
498 BOOL deliver_force = FALSE;
499 BOOL deliver_freeze = FALSE;
500 int deliver_frozen_at = 0;
501 uschar *deliver_home = NULL;
502 uschar *deliver_host = NULL;
503 uschar *deliver_host_address = NULL;
504 uschar *deliver_in_buffer = NULL;
505 ino_t deliver_inode = 0;
506 uschar *deliver_localpart = NULL;
507 uschar *deliver_localpart_data = NULL;
508 uschar *deliver_localpart_orig = NULL;
509 uschar *deliver_localpart_parent = NULL;
510 uschar *deliver_localpart_prefix = NULL;
511 uschar *deliver_localpart_suffix = NULL;
512 BOOL deliver_force_thaw = FALSE;
513 BOOL deliver_manual_thaw = FALSE;
514 uschar *deliver_out_buffer = NULL;
515 int deliver_queue_load_max = -1;
516 address_item *deliver_recipients = NULL;
517 uschar *deliver_selectstring = NULL;
518 BOOL deliver_selectstring_regex = FALSE;
519 uschar *deliver_selectstring_sender = NULL;
520 BOOL deliver_selectstring_sender_regex = FALSE;
521 #ifdef WITH_OLD_DEMIME
522 int demime_errorlevel = 0;
523 int demime_ok = 0;
524 uschar *demime_reason = NULL;
525 #endif
526 BOOL disable_callout_flush = FALSE;
527 BOOL disable_delay_flush = FALSE;
528 #ifdef ENABLE_DISABLE_FSYNC
529 BOOL disable_fsync = FALSE;
530 #endif
531 BOOL disable_ipv6 = FALSE;
532 BOOL disable_logging = FALSE;
533
534 #ifndef DISABLE_DKIM
535 uschar *dkim_cur_signer = NULL;
536 uschar *dkim_signers = NULL;
537 uschar *dkim_signing_domain = NULL;
538 uschar *dkim_signing_selector = NULL;
539 uschar *dkim_verify_signers = US"$dkim_signers";
540 BOOL dkim_collect_input = FALSE;
541 BOOL dkim_disable_verify = FALSE;
542 #endif
543
544 uschar *dns_again_means_nonexist = NULL;
545 int dns_csa_search_limit = 5;
546 BOOL dns_csa_use_reverse = TRUE;
547 uschar *dns_ipv4_lookup = NULL;
548 int dns_retrans = 0;
549 int dns_retry = 0;
550 uschar *dnslist_domain = NULL;
551 uschar *dnslist_matched = NULL;
552 uschar *dnslist_text = NULL;
553 uschar *dnslist_value = NULL;
554 tree_node *domainlist_anchor = NULL;
555 int domainlist_count = 0;
556 BOOL dont_deliver = FALSE;
557 BOOL dot_ends = TRUE;
558 BOOL drop_cr = FALSE; /* No longer used */
559 uschar *dsn_from = US DEFAULT_DSN_FROM;
560
561 BOOL enable_dollar_recipients = FALSE;
562 BOOL envelope_to_remove = TRUE;
563 int errno_quota = ERRNO_QUOTA;
564 uschar *errors_copy = NULL;
565 int error_handling = ERRORS_SENDER;
566 uschar *errors_reply_to = NULL;
567 int errors_sender_rc = EXIT_FAILURE;
568
569 gid_t exim_gid = EXIM_GID;
570 BOOL exim_gid_set = TRUE; /* This gid is always set */
571 uschar *exim_path = US BIN_DIRECTORY "/exim"
572 "\0<---------------Space to patch exim_path->";
573 uid_t exim_uid = EXIM_UID;
574 BOOL exim_uid_set = TRUE; /* This uid is always set */
575 int expand_forbid = 0;
576 int expand_nlength[EXPAND_MAXN+1];
577 int expand_nmax = -1;
578 uschar *expand_nstring[EXPAND_MAXN+1];
579 BOOL expand_string_forcedfail = FALSE;
580 uschar *expand_string_message;
581 BOOL extract_addresses_remove_arguments = TRUE;
582 uschar *extra_local_interfaces = NULL;
583
584 int fake_response = OK;
585 uschar *fake_response_text = US"Your message has been rejected but is "
586 "being kept for evaluation.\nIf it was a "
587 "legitimate message, it may still be "
588 "delivered to the target recipient(s).";
589 int filter_n[FILTER_VARIABLE_COUNT];
590 BOOL filter_running = FALSE;
591 int filter_sn[FILTER_VARIABLE_COUNT];
592 int filter_test = FTEST_NONE;
593 uschar *filter_test_sfile = NULL;
594 uschar *filter_test_ufile = NULL;
595 uschar *filter_thisaddress = NULL;
596 int finduser_retries = 0;
597 #ifdef WITH_OLD_DEMIME
598 uschar *found_extension = NULL;
599 #endif
600 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
601 uschar *freeze_tell = NULL;
602 uschar *freeze_tell_config = NULL;
603 uschar *fudged_queue_times = US"";
604
605 uschar *gecos_name = NULL;
606 uschar *gecos_pattern = NULL;
607 rewrite_rule *global_rewrite_rules = NULL;
608
609 uschar *headers_charset = US HEADERS_CHARSET;
610 int header_insert_maxlen = 64 * 1024;
611 header_line *header_last = NULL;
612 header_line *header_list = NULL;
613 int header_maxsize = HEADER_MAXSIZE;
614 int header_line_maxsize = 0;
615
616 header_name header_names[] = {
617 { US"bcc", 3, TRUE, htype_bcc },
618 { US"cc", 2, TRUE, htype_cc },
619 { US"date", 4, TRUE, htype_date },
620 { US"delivery-date", 13, FALSE, htype_delivery_date },
621 { US"envelope-to", 11, FALSE, htype_envelope_to },
622 { US"from", 4, TRUE, htype_from },
623 { US"message-id", 10, TRUE, htype_id },
624 { US"received", 8, FALSE, htype_received },
625 { US"reply-to", 8, FALSE, htype_reply_to },
626 { US"return-path", 11, FALSE, htype_return_path },
627 { US"sender", 6, TRUE, htype_sender },
628 { US"subject", 7, FALSE, htype_subject },
629 { US"to", 2, TRUE, htype_to }
630 };
631
632 int header_names_size = sizeof(header_names)/sizeof(header_name);
633
634 BOOL header_rewritten = FALSE;
635 uschar *helo_accept_junk_hosts = NULL;
636 uschar *helo_allow_chars = US"";
637 uschar *helo_lookup_domains = US"@ : @[]";
638 uschar *helo_try_verify_hosts = NULL;
639 BOOL helo_verified = FALSE;
640 BOOL helo_verify_failed = FALSE;
641 uschar *helo_verify_hosts = NULL;
642 uschar *hex_digits = US"0123456789abcdef";
643 uschar *hold_domains = NULL;
644 BOOL host_checking = FALSE;
645 BOOL host_checking_callout = FALSE;
646 uschar *host_data = NULL;
647 BOOL host_find_failed_syntax= FALSE;
648 uschar *host_lookup = NULL;
649 BOOL host_lookup_deferred = FALSE;
650 BOOL host_lookup_failed = FALSE;
651 uschar *host_lookup_order = US"bydns:byaddr";
652 uschar *host_lookup_msg = US"";
653 int host_number = 0;
654 uschar *host_number_string = NULL;
655 uschar *host_reject_connection = NULL;
656 tree_node *hostlist_anchor = NULL;
657 int hostlist_count = 0;
658 uschar *hosts_treat_as_local = NULL;
659 uschar *hosts_connection_nolog = NULL;
660
661 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
662 BOOL ignore_fromline_local = FALSE;
663 uschar *ignore_fromline_hosts = NULL;
664 uschar *interface_address = NULL;
665 int interface_port = -1;
666 BOOL is_inetd = FALSE;
667 uschar *iterate_item = NULL;
668
669 int journal_fd = -1;
670
671 int keep_malformed = 4*24*60*60; /* 4 days */
672
673 uschar *eldap_dn = NULL;
674 int load_average = -2;
675 BOOL local_error_message = FALSE;
676 BOOL local_from_check = TRUE;
677 uschar *local_from_prefix = NULL;
678 uschar *local_from_suffix = NULL;
679
680 #if HAVE_IPV6
681 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
682 #else
683 uschar *local_interfaces = US"0.0.0.0";
684 #endif
685
686 uschar *local_scan_data = NULL;
687 int local_scan_timeout = 5*60;
688 BOOL local_sender_retain = FALSE;
689 gid_t local_user_gid = (gid_t)(-1);
690 uid_t local_user_uid = (uid_t)(-1);
691
692 tree_node *localpartlist_anchor= NULL;
693 int localpartlist_count = 0;
694 uschar *log_buffer = NULL;
695 unsigned int log_extra_selector = LX_default;
696 uschar *log_file_path = US LOG_FILE_PATH
697 "\0<--------------Space to patch log_file_path->";
698
699 /* Those log options with L_xxx identifiers have values less than 0x800000 and
700 are the ones that get put into log_write_selector. They can be used in calls to
701 log_write() to test for the bit. The options with LX_xxx identifiers have
702 values greater than 0x80000000 and are put int log_extra_selector (without the
703 top bit). They are never used in calls to log_write(), but are tested
704 independently. This separation became necessary when the number of log
705 selectors was getting close to filling a 32-bit word. */
706
707 /* Note that this list must be in alphabetical order. */
708
709 bit_table log_options[] = {
710 { US"acl_warn_skipped", LX_acl_warn_skipped },
711 { US"address_rewrite", L_address_rewrite },
712 { US"all", L_all },
713 { US"all_parents", L_all_parents },
714 { US"arguments", LX_arguments },
715 { US"connection_reject", L_connection_reject },
716 { US"delay_delivery", L_delay_delivery },
717 { US"deliver_time", LX_deliver_time },
718 { US"delivery_size", LX_delivery_size },
719 { US"dnslist_defer", L_dnslist_defer },
720 { US"etrn", L_etrn },
721 { US"host_lookup_failed", L_host_lookup_failed },
722 { US"ident_timeout", LX_ident_timeout },
723 { US"incoming_interface", LX_incoming_interface },
724 { US"incoming_port", LX_incoming_port },
725 { US"lost_incoming_connection", L_lost_incoming_connection },
726 { US"outgoing_port", LX_outgoing_port },
727 { US"pid", LX_pid },
728 { US"queue_run", L_queue_run },
729 { US"queue_time", LX_queue_time },
730 { US"queue_time_overall", LX_queue_time_overall },
731 { US"received_recipients", LX_received_recipients },
732 { US"received_sender", LX_received_sender },
733 { US"rejected_header", LX_rejected_header },
734 { US"rejected_headers", LX_rejected_header },
735 { US"retry_defer", L_retry_defer },
736 { US"return_path_on_delivery", LX_return_path_on_delivery },
737 { US"sender_on_delivery", LX_sender_on_delivery },
738 { US"sender_verify_fail", LX_sender_verify_fail },
739 { US"size_reject", L_size_reject },
740 { US"skip_delivery", L_skip_delivery },
741 { US"smtp_confirmation", LX_smtp_confirmation },
742 { US"smtp_connection", L_smtp_connection },
743 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
744 { US"smtp_no_mail", LX_smtp_no_mail },
745 { US"smtp_protocol_error", L_smtp_protocol_error },
746 { US"smtp_syntax_error", L_smtp_syntax_error },
747 { US"subject", LX_subject },
748 { US"tls_certificate_verified", LX_tls_certificate_verified },
749 { US"tls_cipher", LX_tls_cipher },
750 { US"tls_peerdn", LX_tls_peerdn },
751 { US"unknown_in_list", LX_unknown_in_list }
752 };
753
754 int log_options_count = sizeof(log_options)/sizeof(bit_table);
755 int log_reject_target = 0;
756 uschar *log_selector_string = NULL;
757 FILE *log_stderr = NULL;
758 BOOL log_testing_mode = FALSE;
759 BOOL log_timezone = FALSE;
760 unsigned int log_write_selector= L_default;
761 uschar *login_sender_address = NULL;
762 int lookup_open_max = 25;
763 uschar *lookup_value = NULL;
764
765 macro_item *macros = NULL;
766 uschar *mailstore_basename = NULL;
767 #ifdef WITH_CONTENT_SCAN
768 uschar *malware_name = NULL; /* Virus Name */
769 #endif
770 int max_received_linelength= 0;
771 int max_username_length = 0;
772 int message_age = 0;
773 uschar *message_body = NULL;
774 uschar *message_body_end = NULL;
775 BOOL message_body_newlines = FALSE;
776 int message_body_size = 0;
777 int message_body_visible = 500;
778 int message_ended = END_NOTSTARTED;
779 uschar *message_headers = NULL;
780 uschar *message_id;
781 uschar *message_id_domain = NULL;
782 uschar *message_id_text = NULL;
783 struct timeval message_id_tv = { 0, 0 };
784 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
785 uschar *message_id_external;
786 int message_linecount = 0;
787 BOOL message_logs = TRUE;
788 int message_size = 0;
789 uschar *message_size_limit = US"50M";
790 uschar message_subdir[2] = { 0, 0 };
791 uschar *message_reference = NULL;
792
793 /* MIME ACL expandables */
794 #ifdef WITH_CONTENT_SCAN
795 int mime_anomaly_level = 0;
796 uschar *mime_anomaly_text = NULL;
797 uschar *mime_boundary = NULL;
798 uschar *mime_charset = NULL;
799 uschar *mime_content_description = NULL;
800 uschar *mime_content_disposition = NULL;
801 uschar *mime_content_id = NULL;
802 unsigned int mime_content_size = 0;
803 uschar *mime_content_transfer_encoding = NULL;
804 uschar *mime_content_type = NULL;
805 uschar *mime_decoded_filename = NULL;
806 uschar *mime_filename = NULL;
807 int mime_is_multipart = 0;
808 int mime_is_coverletter = 0;
809 int mime_is_rfc822 = 0;
810 int mime_part_count = -1;
811 #endif
812
813 BOOL mua_wrapper = FALSE;
814
815 uid_t *never_users = NULL;
816 #ifdef WITH_CONTENT_SCAN
817 BOOL no_mbox_unspool = FALSE;
818 #endif
819 BOOL no_multiline_responses = FALSE;
820
821 uid_t original_euid;
822 gid_t originator_gid;
823 uschar *originator_login = NULL;
824 uschar *originator_name = NULL;
825 uid_t originator_uid;
826 uschar *override_local_interfaces = NULL;
827 uschar *override_pid_file_path = NULL;
828
829 BOOL parse_allow_group = FALSE;
830 BOOL parse_found_group = FALSE;
831 uschar *percent_hack_domains = NULL;
832 uschar *pid_file_path = US PID_FILE_PATH
833 "\0<--------------Space to patch pid_file_path->";
834 BOOL pipelining_enable = TRUE;
835 uschar *pipelining_advertise_hosts = US"*";
836 BOOL preserve_message_logs = FALSE;
837 uschar *primary_hostname = NULL;
838 BOOL print_topbitchars = FALSE;
839 uschar process_info[PROCESS_INFO_SIZE];
840 uschar *process_log_path = NULL;
841 BOOL prod_requires_admin = TRUE;
842 uschar *prvscheck_address = NULL;
843 uschar *prvscheck_keynum = NULL;
844 uschar *prvscheck_result = NULL;
845
846
847 uschar *qualify_domain_recipient = NULL;
848 uschar *qualify_domain_sender = NULL;
849 BOOL queue_2stage = FALSE;
850 uschar *queue_domains = NULL;
851 int queue_interval = -1;
852 BOOL queue_list_requires_admin = TRUE;
853 BOOL queue_only = FALSE;
854 uschar *queue_only_file = NULL;
855 int queue_only_load = -1;
856 BOOL queue_only_load_latch = TRUE;
857 BOOL queue_only_override = TRUE;
858 BOOL queue_only_policy = FALSE;
859 BOOL queue_run_first_delivery = FALSE;
860 BOOL queue_run_force = FALSE;
861 BOOL queue_run_in_order = FALSE;
862 BOOL queue_run_local = FALSE;
863 int queue_run_max = 5;
864 pid_t queue_run_pid = (pid_t)0;
865 int queue_run_pipe = -1;
866 BOOL queue_running = FALSE;
867 BOOL queue_smtp = FALSE;
868 uschar *queue_smtp_domains = NULL;
869
870 unsigned int random_seed = 0;
871 tree_node *ratelimiters_cmd = NULL;
872 tree_node *ratelimiters_conn = NULL;
873 tree_node *ratelimiters_mail = NULL;
874 uschar *raw_active_hostname = NULL;
875 uschar *raw_sender = NULL;
876 uschar **raw_recipients = NULL;
877 int raw_recipients_count = 0;
878
879 int rcpt_count = 0;
880 int rcpt_fail_count = 0;
881 int rcpt_defer_count = 0;
882 gid_t real_gid;
883 uid_t real_uid;
884 BOOL really_exim = TRUE;
885 BOOL receive_call_bombout = FALSE;
886 int receive_linecount = 0;
887 int receive_messagecount = 0;
888 int receive_timeout = 0;
889 int received_count = 0;
890 uschar *received_for = NULL;
891
892 /* This is the default text for Received headers generated by Exim. The
893 date will be automatically added on the end. */
894
895 uschar *received_header_text = US
896 "Received: "
897 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
898 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
899 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
900 "by $primary_hostname "
901 "${if def:received_protocol {with $received_protocol}} "
902 #ifdef SUPPORT_TLS
903 "${if def:tls_cipher {($tls_cipher)\n\t}}"
904 #endif
905 "(Exim $version_number)\n\t"
906 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
907 "id $message_exim_id"
908 "${if def:received_for {\n\tfor $received_for}}"
909 "\0<---------------Space to patch received_header_text->";
910
911 int received_headers_max = 30;
912 uschar *received_protocol = NULL;
913 int received_time = 0;
914 uschar *recipient_data = NULL;
915 uschar *recipient_unqualified_hosts = NULL;
916 uschar *recipient_verify_failure = NULL;
917 int recipients_count = 0;
918 BOOL recipients_discarded = FALSE;
919 recipient_item *recipients_list = NULL;
920 int recipients_list_max = 0;
921 int recipients_max = 0;
922 BOOL recipients_max_reject = FALSE;
923 const pcre *regex_AUTH = NULL;
924 const pcre *regex_check_dns_names = NULL;
925 const pcre *regex_From = NULL;
926 const pcre *regex_IGNOREQUOTA = NULL;
927 const pcre *regex_PIPELINING = NULL;
928 const pcre *regex_SIZE = NULL;
929 const pcre *regex_smtp_code = NULL;
930 const pcre *regex_ismsgid = NULL;
931 #ifdef WITH_CONTENT_SCAN
932 uschar *regex_match_string = NULL;
933 #endif
934 int remote_delivery_count = 0;
935 int remote_max_parallel = 2;
936 uschar *remote_sort_domains = NULL;
937 int retry_data_expire = 7*24*60*60;
938 int retry_interval_max = 24*60*60;
939 int retry_maximum_timeout = 0; /* set from retry config */
940 retry_config *retries = NULL;
941 uschar *return_path = NULL;
942 BOOL return_path_remove = TRUE;
943 int rewrite_existflags = 0;
944 uschar *rfc1413_hosts = US"*";
945 int rfc1413_query_timeout = 5;
946 /* BOOL rfc821_domains = FALSE; <<< on the way out */
947 uid_t root_uid = ROOT_UID;
948
949 router_instance *routers = NULL;
950 router_instance router_defaults = {
951 NULL, /* chain pointer */
952 NULL, /* name */
953 NULL, /* info */
954 NULL, /* private options block pointer */
955 NULL, /* driver name */
956
957 NULL, /* address_data */
958 #ifdef EXPERIMENTAL_BRIGHTMAIL
959 NULL, /* bmi_rule */
960 #endif
961 NULL, /* cannot_route_message */
962 NULL, /* condition */
963 NULL, /* current_directory */
964 NULL, /* debug_string */
965 NULL, /* domains */
966 NULL, /* errors_to */
967 NULL, /* expand_gid */
968 NULL, /* expand_uid */
969 NULL, /* expand_more */
970 NULL, /* expand_unseen */
971 NULL, /* extra_headers */
972 NULL, /* fallback_hosts */
973 NULL, /* home_directory */
974 NULL, /* ignore_target_hosts */
975 NULL, /* local_parts */
976 NULL, /* pass_router_name */
977 NULL, /* prefix */
978 NULL, /* redirect_router_name */
979 NULL, /* remove_headers */
980 NULL, /* require_files */
981 NULL, /* router_home_directory */
982 US"freeze", /* self */
983 NULL, /* senders */
984 NULL, /* suffix */
985 NULL, /* translate_ip_address */
986 NULL, /* transport_name */
987
988 TRUE, /* address_test */
989 #ifdef EXPERIMENTAL_BRIGHTMAIL
990 FALSE, /* bmi_deliver_alternate */
991 FALSE, /* bmi_deliver_default */
992 FALSE, /* bmi_dont_deliver */
993 #endif
994 TRUE, /* expn */
995 FALSE, /* caseful_local_part */
996 FALSE, /* check_local_user */
997 FALSE, /* disable_logging */
998 FALSE, /* fail_verify_recipient */
999 FALSE, /* fail_verify_sender */
1000 FALSE, /* gid_set */
1001 FALSE, /* initgroups */
1002 TRUE_UNSET, /* log_as_local */
1003 TRUE, /* more */
1004 FALSE, /* pass_on_timeout */
1005 FALSE, /* prefix_optional */
1006 TRUE, /* repeat_use */
1007 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1008 FALSE, /* same_domain_copy_routing */
1009 FALSE, /* self_rewrite */
1010 FALSE, /* suffix_optional */
1011 FALSE, /* verify_only */
1012 TRUE, /* verify_recipient */
1013 TRUE, /* verify_sender */
1014 FALSE, /* uid_set */
1015 FALSE, /* unseen */
1016
1017 self_freeze, /* self_code */
1018 (uid_t)(-1), /* uid */
1019 (gid_t)(-1), /* gid */
1020
1021 NULL, /* fallback_hostlist */
1022 NULL, /* transport instance */
1023 NULL, /* pass_router */
1024 NULL /* redirect_router */
1025 };
1026
1027 ip_address_item *running_interfaces = NULL;
1028 BOOL running_in_test_harness = FALSE;
1029
1030 /* This is a weird one. The following string gets patched in the binary by the
1031 script that sets up a copy of Exim for running in the test harness. It seems
1032 that compilers are now clever, and share constant strings if they can.
1033 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1034 make use of the end of this string in order to save space. So the patching then
1035 wrecks this. We defeat this optimization by adding some additional characters
1036 onto the end of the string. */
1037
1038 uschar *running_status = US">>>running<<<" "\0EXTRA";
1039
1040 int runrc = 0;
1041
1042 uschar *search_error_message = NULL;
1043 BOOL search_find_defer = FALSE;
1044 uschar *self_hostname = NULL;
1045 uschar *sender_address = NULL;
1046 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1047 uschar *sender_address_data = NULL;
1048 BOOL sender_address_forced = FALSE;
1049 uschar *sender_address_unrewritten = NULL;
1050 uschar *sender_data = NULL;
1051 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1052 uschar *sender_fullhost = NULL;
1053 uschar *sender_helo_name = NULL;
1054 uschar **sender_host_aliases = &no_aliases;
1055 uschar *sender_host_address = NULL;
1056 uschar *sender_host_authenticated = NULL;
1057 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1058 uschar *sender_host_name = NULL;
1059 int sender_host_port = 0;
1060 BOOL sender_host_notsocket = FALSE;
1061 BOOL sender_host_unknown = FALSE;
1062 uschar *sender_ident = NULL;
1063 BOOL sender_local = FALSE;
1064 BOOL sender_name_forced = FALSE;
1065 uschar *sender_rate = NULL;
1066 uschar *sender_rate_limit = NULL;
1067 uschar *sender_rate_period = NULL;
1068 uschar *sender_rcvhost = NULL;
1069 BOOL sender_set_untrusted = FALSE;
1070 uschar *sender_unqualified_hosts = NULL;
1071 uschar *sender_verify_failure = NULL;
1072 address_item *sender_verified_list = NULL;
1073 address_item *sender_verified_failed = NULL;
1074 int sender_verified_rc = -1;
1075 BOOL sender_verified_responded = FALSE;
1076 uschar *sending_ip_address = NULL;
1077 int sending_port = -1;
1078 volatile BOOL sigalrm_seen = FALSE;
1079 uschar **sighup_argv = NULL;
1080 int smtp_accept_count = 0;
1081 BOOL smtp_accept_keepalive = TRUE;
1082 int smtp_accept_max = 20;
1083 int smtp_accept_max_nonmail= 10;
1084 uschar *smtp_accept_max_nonmail_hosts = US"*";
1085 int smtp_accept_max_per_connection = 1000;
1086 uschar *smtp_accept_max_per_host = NULL;
1087 int smtp_accept_queue = 0;
1088 int smtp_accept_queue_per_connection = 10;
1089 int smtp_accept_reserve = 0;
1090 uschar *smtp_active_hostname = NULL;
1091 BOOL smtp_authenticated = FALSE;
1092 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1093 "Exim $version_number $tod_full"
1094 "\0<---------------Space to patch smtp_banner->";
1095 BOOL smtp_batched_input = FALSE;
1096 BOOL smtp_check_spool_space = TRUE;
1097 int smtp_ch_index = 0;
1098 uschar *smtp_cmd_argument = NULL;
1099 uschar *smtp_cmd_buffer = NULL;
1100 time_t smtp_connection_start = 0;
1101 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1102 int smtp_connect_backlog = 20;
1103 double smtp_delay_mail = 0.0;
1104 double smtp_delay_rcpt = 0.0;
1105 BOOL smtp_enforce_sync = TRUE;
1106 FILE *smtp_in = NULL;
1107 BOOL smtp_input = FALSE;
1108 int smtp_load_reserve = -1;
1109 int smtp_mailcmd_count = 0;
1110 FILE *smtp_out = NULL;
1111 uschar *smtp_etrn_command = NULL;
1112 BOOL smtp_etrn_serialize = TRUE;
1113 int smtp_max_synprot_errors= 3;
1114 int smtp_max_unknown_commands = 3;
1115 uschar *smtp_notquit_reason = NULL;
1116 uschar *smtp_ratelimit_hosts = NULL;
1117 uschar *smtp_ratelimit_mail = NULL;
1118 uschar *smtp_ratelimit_rcpt = NULL;
1119 uschar *smtp_read_error = US"";
1120 int smtp_receive_timeout = 5*60;
1121 uschar *smtp_reserve_hosts = NULL;
1122 BOOL smtp_return_error_details = FALSE;
1123 int smtp_rlm_base = 0;
1124 double smtp_rlm_factor = 0.0;
1125 int smtp_rlm_limit = 0;
1126 int smtp_rlm_threshold = INT_MAX;
1127 int smtp_rlr_base = 0;
1128 double smtp_rlr_factor = 0.0;
1129 int smtp_rlr_limit = 0;
1130 int smtp_rlr_threshold = INT_MAX;
1131 BOOL smtp_use_pipelining = FALSE;
1132 BOOL smtp_use_size = FALSE;
1133
1134 #ifdef WITH_CONTENT_SCAN
1135 uschar *spamd_address = US"127.0.0.1 783";
1136 uschar *spam_bar = NULL;
1137 uschar *spam_report = NULL;
1138 uschar *spam_score = NULL;
1139 uschar *spam_score_int = NULL;
1140 #endif
1141 #ifdef EXPERIMENTAL_SPF
1142 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1143 uschar *spf_header_comment = NULL;
1144 uschar *spf_received = NULL;
1145 uschar *spf_result = NULL;
1146 uschar *spf_smtp_comment = NULL;
1147 #endif
1148
1149 BOOL split_spool_directory = FALSE;
1150 uschar *spool_directory = US SPOOL_DIRECTORY
1151 "\0<--------------Space to patch spool_directory->";
1152 #ifdef EXPERIMENTAL_SRS
1153 uschar *srs_config = NULL;
1154 uschar *srs_db_address = NULL;
1155 uschar *srs_db_key = NULL;
1156 int srs_hashlength = 6;
1157 int srs_hashmin = -1;
1158 int srs_maxage = 31;
1159 uschar *srs_orig_recipient = NULL;
1160 uschar *srs_orig_sender = NULL;
1161 uschar *srs_recipient = NULL;
1162 uschar *srs_secrets = NULL;
1163 uschar *srs_status = NULL;
1164 BOOL srs_usehash = TRUE;
1165 BOOL srs_usetimestamp = TRUE;
1166 #endif
1167 BOOL strict_acl_vars = FALSE;
1168 int string_datestamp_offset= -1;
1169 BOOL strip_excess_angle_brackets = FALSE;
1170 BOOL strip_trailing_dot = FALSE;
1171 uschar *submission_domain = NULL;
1172 BOOL submission_mode = FALSE;
1173 uschar *submission_name = NULL;
1174 BOOL suppress_local_fixups = FALSE;
1175 BOOL synchronous_delivery = FALSE;
1176 BOOL syslog_duplication = TRUE;
1177 int syslog_facility = LOG_MAIL;
1178 uschar *syslog_processname = US"exim";
1179 BOOL syslog_timestamp = TRUE;
1180 uschar *system_filter = NULL;
1181
1182 uschar *system_filter_directory_transport = NULL;
1183 uschar *system_filter_file_transport = NULL;
1184 uschar *system_filter_pipe_transport = NULL;
1185 uschar *system_filter_reply_transport = NULL;
1186
1187 gid_t system_filter_gid = 0;
1188 BOOL system_filter_gid_set = FALSE;
1189 uid_t system_filter_uid = 0;
1190 BOOL system_filter_uid_set = FALSE;
1191 BOOL system_filtering = FALSE;
1192
1193 BOOL tcp_nodelay = TRUE;
1194 int test_harness_load_avg = 0;
1195 int thismessage_size_limit = 0;
1196 int timeout_frozen_after = 0;
1197 BOOL timestamps_utc = FALSE;
1198
1199 transport_instance *transports = NULL;
1200
1201 transport_instance transport_defaults = {
1202 NULL, /* chain pointer */
1203 NULL, /* name */
1204 NULL, /* info */
1205 NULL, /* private options block pointer */
1206 NULL, /* driver name */
1207 NULL, /* setup entry point */
1208 1, /* batch_max */
1209 NULL, /* batch_id */
1210 NULL, /* home_dir */
1211 NULL, /* current_dir */
1212 TRUE, /* multi-domain */
1213 FALSE, /* overrides_hosts */
1214 100, /* max_addresses */
1215 500, /* connection_max_messages */
1216 FALSE, /* deliver_as_creator */
1217 FALSE, /* disable_logging */
1218 FALSE, /* initgroups */
1219 FALSE, /* uid_set */
1220 FALSE, /* gid_set */
1221 (uid_t)(-1), /* uid */
1222 (gid_t)(-1), /* gid */
1223 NULL, /* expand_uid */
1224 NULL, /* expand_gid */
1225 NULL, /* warn_message */
1226 NULL, /* shadow */
1227 NULL, /* shadow_condition */
1228 NULL, /* filter_command */
1229 NULL, /* add_headers */
1230 NULL, /* remove_headers */
1231 NULL, /* return_path */
1232 NULL, /* debug_string */
1233 NULL, /* message_size_limit */
1234 NULL, /* headers_rewrite */
1235 NULL, /* rewrite_rules */
1236 0, /* rewrite_existflags */
1237 300, /* filter_timeout */
1238 FALSE, /* body_only */
1239 FALSE, /* delivery_date_add */
1240 FALSE, /* envelope_to_add */
1241 FALSE, /* headers_only */
1242 FALSE, /* rcpt_include_affixes */
1243 FALSE, /* return_path_add */
1244 FALSE, /* return_output */
1245 FALSE, /* return_fail_output */
1246 FALSE, /* log_output */
1247 FALSE, /* log_fail_output */
1248 FALSE, /* log_defer_output */
1249 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1250 1 nor 0 so can detect unset */
1251 };
1252
1253 int transport_count;
1254 uschar **transport_filter_argv = NULL;
1255 int transport_filter_timeout;
1256 BOOL transport_filter_timed_out = FALSE;
1257 int transport_write_timeout= 0;
1258
1259 tree_node *tree_dns_fails = NULL;
1260 tree_node *tree_duplicates = NULL;
1261 tree_node *tree_nonrecipients = NULL;
1262 tree_node *tree_unusable = NULL;
1263
1264 BOOL trusted_caller = FALSE;
1265 gid_t *trusted_groups = NULL;
1266 uid_t *trusted_users = NULL;
1267 uschar *timezone_string = US TIMEZONE_DEFAULT;
1268
1269 uschar *unknown_login = NULL;
1270 uschar *unknown_username = NULL;
1271 uschar *untrusted_set_sender = NULL;
1272
1273 /* A regex for matching a "From_" line in an incoming message, in the form
1274
1275 From ph10 Fri Jan 5 12:35 GMT 1996
1276
1277 which the "mail" commands send to the MTA (undocumented, of course), or in
1278 the form
1279
1280 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1281
1282 which is apparently used by some UUCPs, despite it not being in RFC 976.
1283 Because of variations in time formats, just match up to the minutes. That
1284 should be sufficient. Examples have been seen of time fields like 12:1:03,
1285 so just require one digit for hours and minutes. The weekday is also absent
1286 in some forms. */
1287
1288 uschar *uucp_from_pattern = US
1289 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1290 "(?:" /* Non-extracting bracket */
1291 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1292 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1293 ")" /* End alternation */
1294 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1295
1296 uschar *uucp_from_sender = US"$1";
1297
1298 uschar *warn_message_file = NULL;
1299 uschar *warnmsg_delay = NULL;
1300 uschar *warnmsg_recipients = NULL;
1301 BOOL write_rejectlog = TRUE;
1302
1303 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1304 uschar *version_date = US"?";
1305 uschar *version_cnumber = US"????";
1306 uschar *version_string = US"?";
1307
1308 int warning_count = 0;
1309
1310 /* End of globals.c */
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