127af7607b0745f03de22eba1ebfe1380fa8a8b8
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.41 2005/11/14 16:09:54 ph10 Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2005 */
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 { "driver", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, driver_name)) },
37 { "public_name", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, public_name)) },
39 { "server_advertise_condition", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, advertise_condition))},
41 { "server_debug_print", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, server_debug_string)) },
43 { "server_mail_auth_condition", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, mail_auth_condition)) },
45 { "server_set_id", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, set_id)) }
47 };
48
49 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
50
51 /* An empty host aliases list. */
52
53 uschar *no_aliases = NULL;
54
55
56 /* For comments on these variables, see globals.h. I'm too idle to
57 duplicate them here... */
58
59 #ifdef EXIM_PERL
60 uschar *opt_perl_startup = NULL;
61 BOOL opt_perl_at_start = FALSE;
62 BOOL opt_perl_started = FALSE;
63 #endif
64
65 #ifdef EXPAND_DLFUNC
66 tree_node *dlobj_anchor = NULL;
67 #endif
68
69 #ifdef LOOKUP_IBASE
70 uschar *ibase_servers = NULL;
71 #endif
72
73 #ifdef LOOKUP_LDAP
74 uschar *eldap_default_servers = NULL;
75 int eldap_version = -1;
76 #endif
77
78 #ifdef LOOKUP_MYSQL
79 uschar *mysql_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_ORACLE
83 uschar *oracle_servers = NULL;
84 #endif
85
86 #ifdef LOOKUP_PGSQL
87 uschar *pgsql_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 BOOL tls_active = -1;
103 BOOL tls_certificate_verified = FALSE;
104 uschar *tls_cipher = NULL;
105 BOOL tls_on_connect = FALSE;
106 uschar *tls_on_connect_ports = NULL;
107 uschar *tls_peerdn = NULL;
108
109 #ifdef SUPPORT_TLS
110 const pcre *regex_STARTTLS = NULL;
111 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
112 uschar *tls_certificate = NULL;
113 uschar *tls_crl = NULL;
114 uschar *tls_dhparam = NULL;
115 BOOL tls_offered = FALSE;
116 uschar *tls_privatekey = NULL;
117 BOOL tls_remember_esmtp = FALSE;
118 uschar *tls_require_ciphers = NULL;
119 uschar *tls_try_verify_hosts = NULL;
120 uschar *tls_verify_certificates= NULL;
121 uschar *tls_verify_hosts = NULL;
122 #endif
123
124
125 /* Input-reading functions for messages, so we can use special ones for
126 incoming TCP/IP. The defaults use stdin. We never need these for any
127 stand-alone tests. */
128
129 #ifndef STAND_ALONE
130 int (*receive_getc)(void) = stdin_getc;
131 int (*receive_ungetc)(int) = stdin_ungetc;
132 int (*receive_feof)(void) = stdin_feof;
133 int (*receive_ferror)(void) = stdin_ferror;
134 #endif
135
136
137 /* List of per-address expansion variables for clearing and saving/restoring
138 when verifying one address while routing/verifying another. We have to have
139 the size explicit, because it is referenced from more than one module. */
140
141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
142 &deliver_address_data,
143 &deliver_domain,
144 &deliver_domain_data,
145 &deliver_domain_orig,
146 &deliver_domain_parent,
147 &deliver_localpart,
148 &deliver_localpart_data,
149 &deliver_localpart_orig,
150 &deliver_localpart_parent,
151 &deliver_localpart_prefix,
152 &deliver_localpart_suffix,
153 (uschar **)(&deliver_recipients),
154 &deliver_host,
155 &deliver_home,
156 &address_file,
157 &address_pipe,
158 &self_hostname,
159 NULL };
160
161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
162
163 /* General global variables */
164
165 tree_node *acl_anchor = NULL;
166 uschar *acl_not_smtp = NULL;
167 #ifdef WITH_CONTENT_SCAN
168 uschar *acl_not_smtp_mime = NULL;
169 #endif
170 uschar *acl_smtp_auth = NULL;
171 uschar *acl_smtp_connect = NULL;
172 uschar *acl_smtp_data = NULL;
173 uschar *acl_smtp_etrn = NULL;
174 uschar *acl_smtp_expn = NULL;
175 uschar *acl_smtp_helo = NULL;
176 uschar *acl_smtp_mail = NULL;
177 uschar *acl_smtp_mailauth = NULL;
178 #ifdef WITH_CONTENT_SCAN
179 uschar *acl_smtp_mime = NULL;
180 #endif
181 uschar *acl_smtp_predata = NULL;
182 uschar *acl_smtp_quit = NULL;
183 uschar *acl_smtp_rcpt = NULL;
184 uschar *acl_smtp_starttls = NULL;
185 uschar *acl_smtp_vrfy = NULL;
186 BOOL acl_temp_details = FALSE;
187 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
188 uschar *acl_verify_message = NULL;
189 header_line *acl_warn_headers = NULL;
190 string_item *acl_warn_logged = NULL;
191
192 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
193 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
194
195 uschar *acl_wherenames[] = { US"RCPT",
196 US"MAIL",
197 US"PREDATA",
198 US"MIME",
199 US"DATA",
200 US"non-SMTP",
201 US"AUTH",
202 US"connection",
203 US"ETRN",
204 US"EXPN",
205 US"EHLO or HELO",
206 US"MAILAUTH",
207 US"QUIT",
208 US"STARTTLS",
209 US"VRFY"
210 };
211
212 int acl_wherecodes[] = { 550, /* RCPT */
213 550, /* MAIL */
214 550, /* PREDATA */
215 550, /* MIME */
216 550, /* DATA */
217 0, /* not SMTP; not relevant */
218 503, /* AUTH */
219 550, /* connect */
220 458, /* ETRN */
221 550, /* EXPN */
222 550, /* HELO/EHLO */
223 0, /* MAILAUTH; not relevant */
224 0, /* QUIT; not relevant */
225 550, /* STARTTLS */
226 252 /* VRFY */
227 };
228
229 BOOL active_local_from_check = FALSE;
230 BOOL active_local_sender_retain = FALSE;
231 BOOL accept_8bitmime = FALSE;
232 address_item *addr_duplicate = NULL;
233
234 address_item address_defaults = {
235 NULL, /* next */
236 NULL, /* parent */
237 NULL, /* first */
238 NULL, /* dupof */
239 NULL, /* start_router */
240 NULL, /* router */
241 NULL, /* transport */
242 NULL, /* host_list */
243 NULL, /* host_used */
244 NULL, /* fallback_hosts */
245 NULL, /* reply */
246 NULL, /* retries */
247 NULL, /* address */
248 NULL, /* unique */
249 NULL, /* cc_local_part */
250 NULL, /* lc_local_part */
251 NULL, /* local_part */
252 NULL, /* prefix */
253 NULL, /* suffix */
254 NULL, /* domain */
255 NULL, /* address_retry_key */
256 NULL, /* domain_retry_key */
257 NULL, /* current_dir */
258 NULL, /* home_dir */
259 NULL, /* message */
260 NULL, /* user_message */
261 NULL, /* onetime_parent */
262 NULL, /* pipe_expandn */
263 NULL, /* return_filename */
264 NULL, /* self_hostname */
265 NULL, /* shadow_message */
266 #ifdef SUPPORT_TLS
267 NULL, /* cipher */
268 NULL, /* peerdn */
269 #endif
270 (uid_t)(-1), /* uid */
271 (gid_t)(-1), /* gid */
272 0, /* flags */
273 { 0 }, /* domain_cache - any larger array should be zeroed */
274 { 0 }, /* localpart_cache - ditto */
275 -1, /* mode */
276 0, /* more_errno */
277 ERRNO_UNKNOWNERROR, /* basic_errno */
278 0, /* child_count */
279 -1, /* return_file */
280 SPECIAL_NONE, /* special_action */
281 DEFER, /* transport_return */
282 { /* fields that are propagated to children */
283 NULL, /* address_data */
284 NULL, /* domain_data */
285 NULL, /* localpart_data */
286 NULL, /* errors_address */
287 NULL, /* extra_headers */
288 NULL, /* remove_headers */
289 #ifdef EXPERIMENTAL_SRS
290 NULL, /* srs_sender */
291 #endif
292 }
293 };
294
295 uschar *address_file = NULL;
296 uschar *address_pipe = NULL;
297 BOOL address_test_mode = FALSE;
298 tree_node *addresslist_anchor = NULL;
299 int addresslist_count = 0;
300 gid_t *admin_groups = NULL;
301 BOOL admin_user = FALSE;
302 BOOL allow_domain_literals = FALSE;
303 BOOL allow_mx_to_ip = FALSE;
304 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
305 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
306 BOOL allow_utf8_domains = FALSE;
307 uschar *authenticated_id = NULL;
308 uschar *authenticated_sender = NULL;
309 BOOL authentication_failed = FALSE;
310 auth_instance *auths = NULL;
311 uschar *auth_advertise_hosts = US"*";
312 auth_instance auth_defaults = {
313 NULL, /* chain pointer */
314 NULL, /* name */
315 NULL, /* info */
316 NULL, /* private options block pointer */
317 NULL, /* driver_name */
318 NULL, /* advertise_condition */
319 NULL, /* public_name */
320 NULL, /* set_id */
321 NULL, /* server_mail_auth_condition */
322 NULL, /* server_debug_string */
323 FALSE, /* client */
324 FALSE, /* server */
325 FALSE /* advertised */
326 };
327
328 uschar *auth_defer_msg = US"reason not recorded";
329 uschar *auth_defer_user_msg = US"";
330 int auto_thaw = 0;
331 #ifdef WITH_CONTENT_SCAN
332 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
333 #endif
334
335 BOOL background_daemon = TRUE;
336
337 #if BASE_62 == 62
338 uschar *base62_chars=
339 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
340 #else
341 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
342 #endif
343
344 uschar *bi_command = NULL;
345 uschar *big_buffer = NULL;
346 int big_buffer_size = BIG_BUFFER_SIZE;
347 #ifdef EXPERIMENTAL_BRIGHTMAIL
348 uschar *bmi_alt_location = NULL;
349 uschar *bmi_base64_tracker_verdict = NULL;
350 uschar *bmi_base64_verdict = NULL;
351 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
352 int bmi_deliver = 1;
353 int bmi_run = 0;
354 uschar *bmi_verdicts = NULL;
355 #endif
356 int body_linecount = 0;
357 int body_zerocount = 0;
358 uschar *bounce_message_file = NULL;
359 uschar *bounce_message_text = NULL;
360 uschar *bounce_recipient = NULL;
361 BOOL bounce_return_body = TRUE;
362 BOOL bounce_return_message = TRUE;
363 int bounce_return_size_limit = 100*1024;
364 uschar *bounce_sender_authentication = NULL;
365 int bsmtp_transaction_linecount = 0;
366
367 int callout_cache_domain_positive_expire = 7*24*60*60;
368 int callout_cache_domain_negative_expire = 3*60*60;
369 int callout_cache_positive_expire = 24*60*60;
370 int callout_cache_negative_expire = 2*60*60;
371 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
372 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
373 int check_log_inodes = 0;
374 int check_log_space = 0;
375 int check_spool_inodes = 0;
376 int check_spool_space = 0;
377 int clmacro_count = 0;
378 uschar *clmacros[MAX_CLMACROS];
379 BOOL config_changed = FALSE;
380 FILE *config_file = NULL;
381 uschar *config_filename = NULL;
382 int config_lineno = 0;
383 #ifdef CONFIGURE_GROUP
384 gid_t config_gid = CONFIGURE_GROUP;
385 #endif
386 uschar *config_main_filelist = US CONFIGURE_FILE
387 "\0<-----------Space to patch configure_filename->";
388 uschar *config_main_filename = NULL;
389
390 #ifdef CONFIGURE_OWNER
391 uid_t config_uid = CONFIGURE_OWNER;
392 #endif
393
394 int connection_max_messages= -1;
395 uschar *continue_hostname = NULL;
396 uschar *continue_host_address = NULL;
397 BOOL continue_more = FALSE;
398 int continue_sequence = 1;
399 uschar *continue_transport = NULL;
400
401 uschar *csa_status = NULL;
402
403 BOOL daemon_listen = FALSE;
404 uschar *daemon_smtp_port = US"smtp";
405 int daemon_startup_retries = 9;
406 int daemon_startup_sleep = 30;
407 BOOL debug_daemon = FALSE;
408 int debug_fd = -1;
409 FILE *debug_file = NULL;
410 bit_table debug_options[] = {
411 { US"acl", D_acl },
412 { US"all", D_all },
413 { US"auth", D_auth },
414 { US"deliver", D_deliver },
415 { US"dns", D_dns },
416 { US"dnsbl", D_dnsbl },
417 { US"exec", D_exec },
418 { US"expand", D_expand },
419 { US"filter", D_filter },
420 { US"hints_lookup", D_hints_lookup },
421 { US"host_lookup", D_host_lookup },
422 { US"ident", D_ident },
423 { US"interface", D_interface },
424 { US"lists", D_lists },
425 { US"load", D_load },
426 { US"local_scan", D_local_scan },
427 { US"lookup", D_lookup },
428 { US"memory", D_memory },
429 { US"pid", D_pid },
430 { US"process_info", D_process_info },
431 { US"queue_run", D_queue_run },
432 { US"receive", D_receive },
433 { US"resolver", D_resolver },
434 { US"retry", D_retry },
435 { US"rewrite", D_rewrite },
436 { US"route", D_route },
437 { US"timestamp", D_timestamp },
438 { US"tls", D_tls },
439 { US"transport", D_transport },
440 { US"uid", D_uid },
441 { US"verify", D_verify }
442 };
443 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
444 unsigned int debug_selector = 0;
445 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
446 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
447 BOOL delivery_date_remove = TRUE;
448 uschar *deliver_address_data = NULL;
449 int deliver_datafile = -1;
450 uschar *deliver_domain = NULL;
451 uschar *deliver_domain_data = NULL;
452 uschar *deliver_domain_orig = NULL;
453 uschar *deliver_domain_parent = NULL;
454 BOOL deliver_drop_privilege = FALSE;
455 BOOL deliver_firsttime = FALSE;
456 BOOL deliver_force = FALSE;
457 BOOL deliver_freeze = FALSE;
458 int deliver_frozen_at = 0;
459 uschar *deliver_home = NULL;
460 uschar *deliver_host = NULL;
461 uschar *deliver_host_address = NULL;
462 uschar *deliver_in_buffer = NULL;
463 ino_t deliver_inode = 0;
464 uschar *deliver_localpart = NULL;
465 uschar *deliver_localpart_data = NULL;
466 uschar *deliver_localpart_orig = NULL;
467 uschar *deliver_localpart_parent = NULL;
468 uschar *deliver_localpart_prefix = NULL;
469 uschar *deliver_localpart_suffix = NULL;
470 BOOL deliver_force_thaw = FALSE;
471 BOOL deliver_manual_thaw = FALSE;
472 uschar *deliver_out_buffer = NULL;
473 int deliver_queue_load_max = -1;
474 address_item *deliver_recipients = NULL;
475 uschar *deliver_selectstring = NULL;
476 BOOL deliver_selectstring_regex = FALSE;
477 uschar *deliver_selectstring_sender = NULL;
478 BOOL deliver_selectstring_sender_regex = FALSE;
479 #ifdef WITH_OLD_DEMIME
480 int demime_errorlevel = 0;
481 int demime_ok = 0;
482 uschar *demime_reason = NULL;
483 #endif
484 BOOL disable_logging = FALSE;
485
486 #ifdef EXPERIMENTAL_DOMAINKEYS
487 uschar *dk_signing_domain = NULL;
488 uschar *dk_signing_selector = NULL;
489 int dk_do_verify = 0;
490 #endif
491
492 uschar *dns_again_means_nonexist = NULL;
493 int dns_csa_search_limit = 5;
494 BOOL dns_csa_use_reverse = TRUE;
495 uschar *dns_ipv4_lookup = NULL;
496 int dns_retrans = 0;
497 int dns_retry = 0;
498 uschar *dnslist_domain = NULL;
499 uschar *dnslist_text = NULL;
500 uschar *dnslist_value = NULL;
501 tree_node *domainlist_anchor = NULL;
502 int domainlist_count = 0;
503 BOOL dont_deliver = FALSE;
504 BOOL dot_ends = TRUE;
505 BOOL drop_cr = FALSE; /* No longer used */
506
507 BOOL enable_dollar_recipients = FALSE;
508 BOOL envelope_to_remove = TRUE;
509 int errno_quota = ERRNO_QUOTA;
510 uschar *errors_copy = NULL;
511 int error_handling = ERRORS_SENDER;
512 uschar *errors_reply_to = NULL;
513 int errors_sender_rc = EXIT_FAILURE;
514
515 gid_t exim_gid = EXIM_GID;
516 BOOL exim_gid_set = TRUE; /* This gid is always set */
517 uschar *exim_path = US BIN_DIRECTORY "/exim"
518 "\0<---------------Space to patch exim_path->";
519 uid_t exim_uid = EXIM_UID;
520 BOOL exim_uid_set = TRUE; /* This uid is always set */
521 int expand_forbid = 0;
522 int expand_nlength[EXPAND_MAXN+1];
523 int expand_nmax = -1;
524 uschar *expand_nstring[EXPAND_MAXN+1];
525 BOOL expand_string_forcedfail = FALSE;
526 uschar *expand_string_message;
527 BOOL extract_addresses_remove_arguments = TRUE;
528 uschar *extra_local_interfaces = NULL;
529
530 int fake_response = OK;
531 uschar *fake_response_text = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
532 int filter_n[FILTER_VARIABLE_COUNT];
533 BOOL filter_running = FALSE;
534 int filter_sn[FILTER_VARIABLE_COUNT];
535 int filter_test = FTEST_NONE;
536 uschar *filter_test_sfile = NULL;
537 uschar *filter_test_ufile = NULL;
538 uschar *filter_thisaddress = NULL;
539 int finduser_retries = 0;
540 #ifdef WITH_OLD_DEMIME
541 uschar *found_extension = NULL;
542 #endif
543 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
544 uschar *freeze_tell = NULL;
545 uschar *fudged_queue_times = US"";
546
547 uschar *gecos_name = NULL;
548 uschar *gecos_pattern = NULL;
549 rewrite_rule *global_rewrite_rules = NULL;
550
551 uschar *headers_charset = US HEADERS_CHARSET;
552 int header_insert_maxlen = 64 * 1024;
553 header_line *header_last = NULL;
554 header_line *header_list = NULL;
555 int header_maxsize = HEADER_MAXSIZE;
556 int header_line_maxsize = 0;
557
558 header_name header_names[] = {
559 { US"bcc", 3, TRUE, htype_bcc },
560 { US"cc", 2, TRUE, htype_cc },
561 { US"date", 4, TRUE, htype_date },
562 { US"delivery-date", 13, FALSE, htype_delivery_date },
563 { US"envelope-to", 11, FALSE, htype_envelope_to },
564 { US"from", 4, TRUE, htype_from },
565 { US"message-id", 10, TRUE, htype_id },
566 { US"received", 8, FALSE, htype_received },
567 { US"reply-to", 8, FALSE, htype_reply_to },
568 { US"return-path", 11, FALSE, htype_return_path },
569 { US"sender", 6, TRUE, htype_sender },
570 { US"subject", 7, FALSE, htype_subject },
571 { US"to", 2, TRUE, htype_to }
572 };
573
574 int header_names_size = sizeof(header_names)/sizeof(header_name);
575
576 BOOL header_rewritten = FALSE;
577 uschar *helo_accept_junk_hosts = NULL;
578 uschar *helo_allow_chars = US"";
579 uschar *helo_lookup_domains = US"@ : @[]";
580 uschar *helo_try_verify_hosts = NULL;
581 BOOL helo_verified = FALSE;
582 BOOL helo_verify_failed = FALSE;
583 uschar *helo_verify_hosts = NULL;
584 uschar *hex_digits = US"0123456789abcdef";
585 uschar *hold_domains = NULL;
586 BOOL host_checking = FALSE;
587 BOOL host_checking_callout = FALSE;
588 uschar *host_data = NULL;
589 BOOL host_find_failed_syntax= FALSE;
590 uschar *host_lookup = NULL;
591 BOOL host_lookup_deferred = FALSE;
592 BOOL host_lookup_failed = FALSE;
593 uschar *host_lookup_order = US"bydns:byaddr";
594 uschar *host_lookup_msg = US"";
595 int host_number = 0;
596 uschar *host_number_string = NULL;
597 uschar *host_reject_connection = NULL;
598 tree_node *hostlist_anchor = NULL;
599 int hostlist_count = 0;
600 uschar *hosts_treat_as_local = NULL;
601 uschar *hosts_connection_nolog = NULL;
602
603 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
604 BOOL ignore_fromline_local = FALSE;
605 uschar *ignore_fromline_hosts = NULL;
606 uschar *interface_address = NULL;
607 int interface_port = -1;
608 BOOL is_inetd = FALSE;
609
610 int journal_fd = -1;
611
612 int keep_malformed = 4*24*60*60; /* 4 days */
613
614 uschar *eldap_dn = NULL;
615 int load_average = -2;
616 BOOL local_error_message = FALSE;
617 BOOL local_from_check = TRUE;
618 uschar *local_from_prefix = NULL;
619 uschar *local_from_suffix = NULL;
620
621 #if HAVE_IPV6
622 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
623 #else
624 uschar *local_interfaces = US"0.0.0.0";
625 #endif
626
627 uschar *local_scan_data = NULL;
628 int local_scan_timeout = 5*60;
629 BOOL local_sender_retain = FALSE;
630 gid_t local_user_gid = (gid_t)(-1);
631 uid_t local_user_uid = (uid_t)(-1);
632
633 tree_node *localpartlist_anchor= NULL;
634 int localpartlist_count = 0;
635 uschar *log_buffer = NULL;
636 unsigned int log_extra_selector = LX_default;
637 uschar *log_file_path = US LOG_FILE_PATH
638 "\0<--------------Space to patch log_file_path->";
639
640 /* Those log options with L_xxx identifiers have values less than 0x800000 and
641 are the ones that get put into log_write_selector. They can be used in calls to
642 log_write() to test for the bit. The options with LX_xxx identifiers have
643 values greater than 0x80000000 and are put int log_extra_selector (without the
644 top bit). They are never used in calls to log_write(), but are tested
645 independently. This separation became necessary when the number of log
646 selectors was getting close to filling a 32-bit word. */
647
648 bit_table log_options[] = {
649 { US"acl_warn_skipped", LX_acl_warn_skipped },
650 { US"address_rewrite", L_address_rewrite },
651 { US"all", L_all },
652 { US"all_parents", L_all_parents },
653 { US"arguments", LX_arguments },
654 { US"connection_reject", L_connection_reject },
655 { US"delay_delivery", L_delay_delivery },
656 { US"deliver_time", LX_deliver_time },
657 { US"delivery_size", LX_delivery_size },
658 { US"dnslist_defer", L_dnslist_defer },
659 { US"etrn", L_etrn },
660 { US"host_lookup_failed", L_host_lookup_failed },
661 { US"ident_timeout", LX_ident_timeout },
662 { US"incoming_interface", LX_incoming_interface },
663 { US"incoming_port", LX_incoming_port },
664 { US"lost_incoming_connection", L_lost_incoming_connection },
665 { US"outgoing_port", LX_outgoing_port },
666 { US"queue_run", L_queue_run },
667 { US"queue_time", LX_queue_time },
668 { US"queue_time_overall", LX_queue_time_overall },
669 { US"received_recipients", LX_received_recipients },
670 { US"received_sender", LX_received_sender },
671 { US"rejected_header", LX_rejected_header },
672 { US"rejected_headers", LX_rejected_header },
673 { US"retry_defer", L_retry_defer },
674 { US"return_path_on_delivery", LX_return_path_on_delivery },
675 { US"sender_on_delivery", LX_sender_on_delivery },
676 { US"size_reject", L_size_reject },
677 { US"skip_delivery", L_skip_delivery },
678 { US"smtp_confirmation", LX_smtp_confirmation },
679 { US"smtp_connection", L_smtp_connection },
680 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
681 { US"smtp_protocol_error", L_smtp_protocol_error },
682 { US"smtp_syntax_error", L_smtp_syntax_error },
683 { US"subject", LX_subject },
684 { US"tls_certificate_verified", LX_tls_certificate_verified },
685 { US"tls_cipher", LX_tls_cipher },
686 { US"tls_peerdn", LX_tls_peerdn },
687 { US"unknown_in_list", LX_unknown_in_list }
688 };
689
690 int log_options_count = sizeof(log_options)/sizeof(bit_table);
691 unsigned int log_write_selector= L_default;
692 uschar *log_selector_string = NULL;
693 FILE *log_stderr = NULL;
694 BOOL log_testing_mode = FALSE;
695 BOOL log_timezone = FALSE;
696 uschar *login_sender_address = NULL;
697 int lookup_open_max = 25;
698 uschar *lookup_value = NULL;
699
700 macro_item *macros = NULL;
701 uschar *mailstore_basename = NULL;
702 #ifdef WITH_CONTENT_SCAN
703 uschar *malware_name = NULL; /* Virus Name */
704 #endif
705 int max_username_length = 0;
706 int message_age = 0;
707 uschar *message_body = NULL;
708 uschar *message_body_end = NULL;
709 int message_body_size = 0;
710 int message_body_visible = 500;
711 int message_ended = END_NOTSTARTED;
712 uschar *message_headers = NULL;
713 uschar *message_id;
714 uschar *message_id_domain = NULL;
715 uschar *message_id_text = NULL;
716 struct timeval message_id_tv = { 0, 0 };
717 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
718 uschar *message_id_external;
719 int message_linecount = 0;
720 BOOL message_logs = TRUE;
721 int message_size = 0;
722 uschar *message_size_limit = US"50M";
723 uschar message_subdir[2] = { 0, 0 };
724 uschar *message_reference = NULL;
725
726 /* MIME ACL expandables */
727 #ifdef WITH_CONTENT_SCAN
728 int mime_anomaly_level = 0;
729 uschar *mime_anomaly_text = NULL;
730 uschar *mime_boundary = NULL;
731 uschar *mime_charset = NULL;
732 uschar *mime_content_description = NULL;
733 uschar *mime_content_disposition = NULL;
734 uschar *mime_content_id = NULL;
735 unsigned int mime_content_size = 0;
736 uschar *mime_content_transfer_encoding = NULL;
737 uschar *mime_content_type = NULL;
738 uschar *mime_decoded_filename = NULL;
739 uschar *mime_filename = NULL;
740 int mime_is_multipart = 0;
741 int mime_is_coverletter = 0;
742 int mime_is_rfc822 = 0;
743 int mime_part_count = -1;
744 #endif
745
746 BOOL mua_wrapper = FALSE;
747
748 uid_t *never_users = NULL;
749 #ifdef WITH_CONTENT_SCAN
750 BOOL no_mbox_unspool = FALSE;
751 #endif
752 BOOL no_multiline_responses = FALSE;
753
754 uid_t original_euid;
755 gid_t originator_gid;
756 uschar *originator_login = NULL;
757 uschar *originator_name = NULL;
758 uid_t originator_uid;
759 uschar *override_local_interfaces = NULL;
760 uschar *override_pid_file_path = NULL;
761
762 BOOL parse_allow_group = FALSE;
763 BOOL parse_found_group = FALSE;
764 uschar *percent_hack_domains = NULL;
765 uschar *pid_file_path = US PID_FILE_PATH
766 "\0<--------------Space to patch pid_file_path->";
767 uschar *pipelining_advertise_hosts = US"*";
768 BOOL preserve_message_logs = FALSE;
769 uschar *primary_hostname = NULL;
770 BOOL print_topbitchars = FALSE;
771 uschar process_info[PROCESS_INFO_SIZE];
772 uschar *process_log_path = NULL;
773 BOOL prod_requires_admin = TRUE;
774 uschar *prvscheck_address = NULL;
775 uschar *prvscheck_keynum = NULL;
776 uschar *prvscheck_result = NULL;
777
778
779 uschar *qualify_domain_recipient = NULL;
780 uschar *qualify_domain_sender = NULL;
781 BOOL queue_2stage = FALSE;
782 uschar *queue_domains = NULL;
783 int queue_interval = -1;
784 BOOL queue_list_requires_admin = TRUE;
785 BOOL queue_only = FALSE;
786 uschar *queue_only_file = NULL;
787 int queue_only_load = -1;
788 BOOL queue_only_override = TRUE;
789 BOOL queue_only_policy = FALSE;
790 BOOL queue_run_first_delivery = FALSE;
791 BOOL queue_run_force = FALSE;
792 BOOL queue_run_in_order = FALSE;
793 BOOL queue_run_local = FALSE;
794 int queue_run_max = 5;
795 pid_t queue_run_pid = (pid_t)0;
796 int queue_run_pipe = -1;
797 BOOL queue_running = FALSE;
798 BOOL queue_smtp = FALSE;
799 uschar *queue_smtp_domains = NULL;
800
801 unsigned int random_seed = 0;
802 tree_node *ratelimiters_cmd = NULL;
803 tree_node *ratelimiters_conn = NULL;
804 tree_node *ratelimiters_mail = NULL;
805 uschar *raw_active_hostname = NULL;
806 uschar *raw_sender = NULL;
807 uschar **raw_recipients = NULL;
808 int raw_recipients_count = 0;
809
810 int rcpt_count = 0;
811 int rcpt_fail_count = 0;
812 int rcpt_defer_count = 0;
813 gid_t real_gid;
814 uid_t real_uid;
815 BOOL really_exim = TRUE;
816 BOOL receive_call_bombout = FALSE;
817 int receive_linecount = 0;
818 int receive_messagecount = 0;
819 int receive_timeout = 0;
820 int received_count = 0;
821 uschar *received_for = NULL;
822
823 /* This is the default text for Received headers generated by Exim. The
824 date will be automatically added on the end. */
825
826 uschar *received_header_text = US
827 "Received: "
828 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
829 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
830 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
831 "by $primary_hostname "
832 "${if def:received_protocol {with $received_protocol}} "
833 #ifdef SUPPORT_TLS
834 "${if def:tls_cipher {($tls_cipher)\n\t}}"
835 #endif
836 "(Exim $version_number)\n\t"
837 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
838 "id $message_exim_id"
839 "${if def:received_for {\n\tfor $received_for}}"
840 "\0<---------------Space to patch received_header_text->";
841
842 int received_headers_max = 30;
843 uschar *received_protocol = NULL;
844 int received_time = 0;
845 uschar *recipient_data = NULL;
846 uschar *recipient_unqualified_hosts = NULL;
847 uschar *recipient_verify_failure = NULL;
848 int recipients_count = 0;
849 BOOL recipients_discarded = FALSE;
850 recipient_item *recipients_list = NULL;
851 int recipients_list_max = 0;
852 int recipients_max = 0;
853 BOOL recipients_max_reject = FALSE;
854 const pcre *regex_AUTH = NULL;
855 const pcre *regex_check_dns_names = NULL;
856 const pcre *regex_From = NULL;
857 const pcre *regex_IGNOREQUOTA = NULL;
858 const pcre *regex_PIPELINING = NULL;
859 const pcre *regex_SIZE = NULL;
860 const pcre *regex_ismsgid = NULL;
861 #ifdef WITH_CONTENT_SCAN
862 uschar *regex_match_string = NULL;
863 #endif
864 int remote_delivery_count = 0;
865 int remote_max_parallel = 2;
866 uschar *remote_sort_domains = NULL;
867 int retry_data_expire = 7*24*60*60;
868 int retry_interval_max = 24*60*60;
869 int retry_maximum_timeout = 0; /* set from retry config */
870 retry_config *retries = NULL;
871 uschar *return_path = NULL;
872 BOOL return_path_remove = TRUE;
873 int rewrite_existflags = 0;
874 uschar *rfc1413_hosts = US"*";
875 int rfc1413_query_timeout = 30;
876 /* BOOL rfc821_domains = FALSE; <<< on the way out */
877 uid_t root_uid = ROOT_UID;
878
879 router_instance *routers = NULL;
880 router_instance router_defaults = {
881 NULL, /* chain pointer */
882 NULL, /* name */
883 NULL, /* info */
884 NULL, /* private options block pointer */
885 NULL, /* driver name */
886
887 NULL, /* address_data */
888 #ifdef EXPERIMENTAL_BRIGHTMAIL
889 NULL, /* bmi_rule */
890 #endif
891 NULL, /* cannot_route_message */
892 NULL, /* condition */
893 NULL, /* current_directory */
894 NULL, /* debug_string */
895 NULL, /* domains */
896 NULL, /* errors_to */
897 NULL, /* expand_gid */
898 NULL, /* expand_uid */
899 NULL, /* expand_more */
900 NULL, /* expand_unseen */
901 NULL, /* extra_headers */
902 NULL, /* fallback_hosts */
903 NULL, /* home_directory */
904 NULL, /* ignore_target_hosts */
905 NULL, /* local_parts */
906 NULL, /* pass_router_name */
907 NULL, /* prefix */
908 NULL, /* redirect_router_name */
909 NULL, /* remove_headers */
910 NULL, /* require_files */
911 NULL, /* router_home_directory */
912 US"freeze", /* self */
913 NULL, /* senders */
914 NULL, /* suffix */
915 NULL, /* translate_ip_address */
916 NULL, /* transport_name */
917
918 TRUE, /* address_test */
919 #ifdef EXPERIMENTAL_BRIGHTMAIL
920 FALSE, /* bmi_deliver_alternate */
921 FALSE, /* bmi_deliver_default */
922 FALSE, /* bmi_dont_deliver */
923 #endif
924 TRUE, /* expn */
925 FALSE, /* caseful_local_part */
926 FALSE, /* check_local_user */
927 FALSE, /* disable_logging */
928 FALSE, /* fail_verify_recipient */
929 FALSE, /* fail_verify_sender */
930 FALSE, /* gid_set */
931 FALSE, /* initgroups */
932 TRUE_UNSET, /* log_as_local */
933 TRUE, /* more */
934 FALSE, /* pass_on_timeout */
935 FALSE, /* prefix_optional */
936 TRUE, /* repeat_use */
937 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
938 FALSE, /* same_domain_copy_routing */
939 FALSE, /* self_rewrite */
940 FALSE, /* suffix_optional */
941 FALSE, /* verify_only */
942 TRUE, /* verify_recipient */
943 TRUE, /* verify_sender */
944 FALSE, /* uid_set */
945 FALSE, /* unseen */
946
947 self_freeze, /* self_code */
948 (uid_t)(-1), /* uid */
949 (gid_t)(-1), /* gid */
950
951 NULL, /* fallback_hostlist */
952 NULL, /* transport instance */
953 NULL, /* pass_router */
954 NULL /* redirect_router */
955 };
956
957 ip_address_item *running_interfaces = NULL;
958 BOOL running_in_test_harness = FALSE;
959
960 /* This is a weird one. The following string gets patched in the binary by the
961 script that sets up a copy of Exim for running in the test harness. It seems
962 that compilers are now clever, and share constant strings if they can.
963 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
964 make use of the end of this string in order to save space. So the patching then
965 wrecks this. We default this optimization by adding some additional characters
966 onto the end of the string. */
967
968 uschar *running_status = US">>>running<<<" "\0EXTRA";
969
970 int runrc = 0;
971
972 uschar *search_error_message = NULL;
973 BOOL search_find_defer = FALSE;
974 uschar *self_hostname = NULL;
975 uschar *sender_address = NULL;
976 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
977 uschar *sender_address_data = NULL;
978 BOOL sender_address_forced = FALSE;
979 uschar *sender_address_unrewritten = NULL;
980 uschar *sender_data = NULL;
981 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
982 uschar *sender_fullhost = NULL;
983 uschar *sender_helo_name = NULL;
984 uschar **sender_host_aliases = &no_aliases;
985 uschar *sender_host_address = NULL;
986 uschar *sender_host_authenticated = NULL;
987 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
988 uschar *sender_host_name = NULL;
989 int sender_host_port = 0;
990 BOOL sender_host_notsocket = FALSE;
991 BOOL sender_host_unknown = FALSE;
992 uschar *sender_ident = NULL;
993 BOOL sender_local = FALSE;
994 BOOL sender_name_forced = FALSE;
995 uschar *sender_rate = NULL;
996 uschar *sender_rate_limit = NULL;
997 uschar *sender_rate_period = NULL;
998 uschar *sender_rcvhost = NULL;
999 BOOL sender_set_untrusted = FALSE;
1000 uschar *sender_unqualified_hosts = NULL;
1001 uschar *sender_verify_failure = NULL;
1002 address_item *sender_verified_list = NULL;
1003 address_item *sender_verified_failed = NULL;
1004 int sender_verified_rc = -1;
1005 BOOL sender_verified_responded = FALSE;
1006 volatile BOOL sigalrm_seen = FALSE;
1007 uschar **sighup_argv = NULL;
1008 int smtp_accept_count = 0;
1009 BOOL smtp_accept_keepalive = TRUE;
1010 int smtp_accept_max = 20;
1011 int smtp_accept_max_nonmail= 10;
1012 uschar *smtp_accept_max_nonmail_hosts = US"*";
1013 int smtp_accept_max_per_connection = 1000;
1014 uschar *smtp_accept_max_per_host = NULL;
1015 int smtp_accept_queue = 0;
1016 int smtp_accept_queue_per_connection = 10;
1017 int smtp_accept_reserve = 0;
1018 uschar *smtp_active_hostname = NULL;
1019 BOOL smtp_authenticated = FALSE;
1020 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1021 "Exim $version_number $tod_full"
1022 "\0<---------------Space to patch smtp_banner->";
1023 BOOL smtp_batched_input = FALSE;
1024 BOOL smtp_check_spool_space = TRUE;
1025 uschar *smtp_cmd_argument = NULL;
1026 uschar *smtp_cmd_buffer = NULL;
1027 int smtp_connect_backlog = 20;
1028 double smtp_delay_mail = 0.0;
1029 double smtp_delay_rcpt = 0.0;
1030 BOOL smtp_enforce_sync = TRUE;
1031 FILE *smtp_in = NULL;
1032 BOOL smtp_input = FALSE;
1033 int smtp_load_reserve = -1;
1034 int smtp_mailcmd_count = 0;
1035 FILE *smtp_out = NULL;
1036 uschar *smtp_etrn_command = NULL;
1037 BOOL smtp_etrn_serialize = TRUE;
1038 int smtp_max_synprot_errors= 3;
1039 int smtp_max_unknown_commands = 3;
1040 uschar *smtp_ratelimit_hosts = NULL;
1041 uschar *smtp_ratelimit_mail = NULL;
1042 uschar *smtp_ratelimit_rcpt = NULL;
1043 uschar *smtp_read_error = US"";
1044 int smtp_receive_timeout = 5*60;
1045 uschar *smtp_reserve_hosts = NULL;
1046 BOOL smtp_return_error_details = FALSE;
1047 int smtp_rlm_base = 0;
1048 double smtp_rlm_factor = 0.0;
1049 int smtp_rlm_limit = 0;
1050 int smtp_rlm_threshold = INT_MAX;
1051 int smtp_rlr_base = 0;
1052 double smtp_rlr_factor = 0.0;
1053 int smtp_rlr_limit = 0;
1054 int smtp_rlr_threshold = INT_MAX;
1055 BOOL smtp_use_pipelining = FALSE;
1056 BOOL smtp_use_size = FALSE;
1057
1058 #ifdef WITH_CONTENT_SCAN
1059 uschar *spamd_address = US"127.0.0.1 783";
1060 uschar *spam_bar = NULL;
1061 uschar *spam_report = NULL;
1062 uschar *spam_score = NULL;
1063 uschar *spam_score_int = NULL;
1064 #endif
1065 #ifdef EXPERIMENTAL_SPF
1066 uschar *spf_header_comment = NULL;
1067 uschar *spf_received = NULL;
1068 uschar *spf_result = NULL;
1069 uschar *spf_smtp_comment = NULL;
1070 #endif
1071
1072 BOOL split_spool_directory = FALSE;
1073 uschar *spool_directory = US SPOOL_DIRECTORY
1074 "\0<--------------Space to patch spool_directory->";
1075 #ifdef EXPERIMENTAL_SRS
1076 uschar *srs_config = NULL;
1077 uschar *srs_db_address = NULL;
1078 uschar *srs_db_key = NULL;
1079 int srs_hashlength = 6;
1080 int srs_hashmin = -1;
1081 int srs_maxage = 31;
1082 uschar *srs_orig_recipient = NULL;
1083 uschar *srs_orig_sender = NULL;
1084 uschar *srs_recipient = NULL;
1085 uschar *srs_secrets = NULL;
1086 uschar *srs_status = NULL;
1087 BOOL srs_usehash = TRUE;
1088 BOOL srs_usetimestamp = TRUE;
1089 #endif
1090 int string_datestamp_offset= -1;
1091 BOOL strip_excess_angle_brackets = FALSE;
1092 BOOL strip_trailing_dot = FALSE;
1093 uschar *submission_domain = NULL;
1094 BOOL submission_mode = FALSE;
1095 uschar *submission_name = NULL;
1096 BOOL suppress_local_fixups = FALSE;
1097 BOOL synchronous_delivery = FALSE;
1098 BOOL syslog_duplication = TRUE;
1099 int syslog_facility = LOG_MAIL;
1100 uschar *syslog_processname = US"exim";
1101 BOOL syslog_timestamp = TRUE;
1102 uschar *system_filter = NULL;
1103
1104 uschar *system_filter_directory_transport = NULL;
1105 uschar *system_filter_file_transport = NULL;
1106 uschar *system_filter_pipe_transport = NULL;
1107 uschar *system_filter_reply_transport = NULL;
1108
1109 gid_t system_filter_gid = 0;
1110 BOOL system_filter_gid_set = FALSE;
1111 uid_t system_filter_uid = 0;
1112 BOOL system_filter_uid_set = FALSE;
1113 BOOL system_filtering = FALSE;
1114
1115 BOOL tcp_nodelay = TRUE;
1116 int thismessage_size_limit = 0;
1117 int timeout_frozen_after = 0;
1118 BOOL timestamps_utc = FALSE;
1119
1120 transport_instance *transports = NULL;
1121
1122 transport_instance transport_defaults = {
1123 NULL, /* chain pointer */
1124 NULL, /* name */
1125 NULL, /* info */
1126 NULL, /* private options block pointer */
1127 NULL, /* driver name */
1128 NULL, /* setup entry point */
1129 1, /* batch_max */
1130 NULL, /* batch_id */
1131 NULL, /* home_dir */
1132 NULL, /* current_dir */
1133 TRUE, /* multi-domain */
1134 FALSE, /* overrides_hosts */
1135 100, /* max_addresses */
1136 500, /* connection_max_messages */
1137 FALSE, /* deliver_as_creator */
1138 FALSE, /* disable_logging */
1139 FALSE, /* initgroups */
1140 FALSE, /* uid_set */
1141 FALSE, /* gid_set */
1142 (uid_t)(-1), /* uid */
1143 (gid_t)(-1), /* gid */
1144 NULL, /* expand_uid */
1145 NULL, /* expand_gid */
1146 NULL, /* warn_message */
1147 NULL, /* shadow */
1148 NULL, /* shadow_condition */
1149 NULL, /* filter_command */
1150 NULL, /* add_headers */
1151 NULL, /* remove_headers */
1152 NULL, /* return_path */
1153 NULL, /* debug_string */
1154 NULL, /* message_size_limit */
1155 NULL, /* headers_rewrite */
1156 NULL, /* rewrite_rules */
1157 0, /* rewrite_existflags */
1158 300, /* filter_timeout */
1159 FALSE, /* body_only */
1160 FALSE, /* delivery_date_add */
1161 FALSE, /* envelope_to_add */
1162 FALSE, /* headers_only */
1163 FALSE, /* rcpt_include_affixes */
1164 FALSE, /* return_path_add */
1165 FALSE, /* return_output */
1166 FALSE, /* return_fail_output */
1167 FALSE, /* log_output */
1168 FALSE, /* log_fail_output */
1169 FALSE, /* log_defer_output */
1170 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1171 1 nor 0 so can detect unset */
1172 };
1173
1174 int transport_count;
1175 uschar **transport_filter_argv = NULL;
1176 int transport_filter_timeout;
1177 BOOL transport_filter_timed_out = FALSE;
1178 int transport_write_timeout= 0;
1179
1180 tree_node *tree_dns_fails = NULL;
1181 tree_node *tree_duplicates = NULL;
1182 tree_node *tree_nonrecipients = NULL;
1183 tree_node *tree_unusable = NULL;
1184
1185 BOOL trusted_caller = FALSE;
1186 gid_t *trusted_groups = NULL;
1187 uid_t *trusted_users = NULL;
1188 uschar *timezone_string = US TIMEZONE_DEFAULT;
1189
1190 uschar *unknown_login = NULL;
1191 uschar *unknown_username = NULL;
1192 uschar *untrusted_set_sender = NULL;
1193
1194 /* A regex for matching a "From_" line in an incoming message, in the form
1195
1196 From ph10 Fri Jan 5 12:35 GMT 1996
1197
1198 which the "mail" commands send to the MTA (undocumented, of course), or in
1199 the form
1200
1201 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1202
1203 which is apparently used by some UUCPs, despite it not being in RFC 976.
1204 Because of variations in time formats, just match up to the minutes. That
1205 should be sufficient. Examples have been seen of time fields like 12:1:03,
1206 so just require one digit for hours and minutes. The weekday is also absent
1207 in some forms. */
1208
1209 uschar *uucp_from_pattern = US
1210 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1211 "(?:" /* Non-extracting bracket */
1212 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1213 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1214 ")" /* End alternation */
1215 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1216
1217 uschar *uucp_from_sender = US"$1";
1218
1219 uschar *warn_message_file = NULL;
1220 uschar *warnmsg_delay = NULL;
1221 uschar *warnmsg_recipients = NULL;
1222 BOOL write_rejectlog = TRUE;
1223
1224 uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1225 uschar *version_date = US"?";
1226 uschar *version_cnumber = US"????";
1227 uschar *version_string = US"?";
1228
1229 int warning_count = 0;
1230
1231 /* End of globals.c */