698b2fc33ae413c9f25573b7e6e44f482ca69526
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.32 2005/08/02 11:22:24 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 SUPPORT_MOVE_FROZEN_MESSAGES
91 BOOL move_frozen_messages = FALSE;
92 #endif
93
94 /* These variables are outside the #ifdef because it keeps the code less
95 cluttered in several places (e.g. during logging) if we can always refer to
96 them. Also, the tls_ variables are now always visible. */
97
98 BOOL tls_active = -1;
99 BOOL tls_certificate_verified = FALSE;
100 uschar *tls_cipher = NULL;
101 BOOL tls_on_connect = FALSE;
102 uschar *tls_on_connect_ports = NULL;
103 uschar *tls_peerdn = NULL;
104
105 #ifdef SUPPORT_TLS
106 const pcre *regex_STARTTLS = NULL;
107 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
108 uschar *tls_certificate = NULL;
109 uschar *tls_crl = NULL;
110 uschar *tls_dhparam = NULL;
111 BOOL tls_offered = FALSE;
112 uschar *tls_privatekey = NULL;
113 BOOL tls_remember_esmtp = FALSE;
114 uschar *tls_require_ciphers = NULL;
115 uschar *tls_try_verify_hosts = NULL;
116 uschar *tls_verify_certificates= NULL;
117 uschar *tls_verify_hosts = NULL;
118 #endif
119
120
121 /* Input-reading functions for messages, so we can use special ones for
122 incoming TCP/IP. The defaults use stdin. We never need these for any
123 stand-alone tests. */
124
125 #ifndef STAND_ALONE
126 int (*receive_getc)(void) = stdin_getc;
127 int (*receive_ungetc)(int) = stdin_ungetc;
128 int (*receive_feof)(void) = stdin_feof;
129 int (*receive_ferror)(void) = stdin_ferror;
130 #endif
131
132
133 /* List of per-address expansion variables for clearing and saving/restoring
134 when verifying one address while routing/verifying another. We have to have
135 the size explicit, because it is referenced from more than one module. */
136
137 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
138 &deliver_address_data,
139 &deliver_domain,
140 &deliver_domain_data,
141 &deliver_domain_orig,
142 &deliver_domain_parent,
143 &deliver_localpart,
144 &deliver_localpart_data,
145 &deliver_localpart_orig,
146 &deliver_localpart_parent,
147 &deliver_localpart_prefix,
148 &deliver_localpart_suffix,
149 (uschar **)(&deliver_recipients),
150 &deliver_host,
151 &deliver_home,
152 &address_file,
153 &address_pipe,
154 &self_hostname,
155 NULL };
156
157 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
158
159 /* General global variables */
160
161 tree_node *acl_anchor = NULL;
162 uschar *acl_not_smtp = NULL;
163 #ifdef WITH_CONTENT_SCAN
164 uschar *acl_not_smtp_mime = NULL;
165 #endif
166 uschar *acl_smtp_auth = NULL;
167 uschar *acl_smtp_connect = NULL;
168 uschar *acl_smtp_data = NULL;
169 uschar *acl_smtp_etrn = NULL;
170 uschar *acl_smtp_expn = NULL;
171 uschar *acl_smtp_helo = NULL;
172 uschar *acl_smtp_mail = NULL;
173 uschar *acl_smtp_mailauth = NULL;
174 #ifdef WITH_CONTENT_SCAN
175 uschar *acl_smtp_mime = NULL;
176 #endif
177 uschar *acl_smtp_predata = NULL;
178 uschar *acl_smtp_quit = NULL;
179 uschar *acl_smtp_rcpt = NULL;
180 uschar *acl_smtp_starttls = NULL;
181 uschar *acl_smtp_vrfy = NULL;
182 BOOL acl_temp_details = FALSE;
183 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
184 uschar *acl_verify_message = NULL;
185 header_line *acl_warn_headers = NULL;
186 string_item *acl_warn_logged = NULL;
187
188 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
189 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
190
191 uschar *acl_wherenames[] = { US"RCPT",
192 US"MAIL",
193 US"PREDATA",
194 US"MIME",
195 US"DATA",
196 US"non-SMTP",
197 US"AUTH",
198 US"connection",
199 US"ETRN",
200 US"EXPN",
201 US"EHLO or HELO",
202 US"MAILAUTH",
203 US"QUIT",
204 US"STARTTLS",
205 US"VRFY"
206 };
207
208 int acl_wherecodes[] = { 550, /* RCPT */
209 550, /* MAIL */
210 550, /* PREDATA */
211 550, /* MIME */
212 550, /* DATA */
213 0, /* not SMTP; not relevant */
214 503, /* AUTH */
215 550, /* connect */
216 458, /* ETRN */
217 550, /* EXPN */
218 550, /* HELO/EHLO */
219 0, /* MAILAUTH; not relevant */
220 0, /* QUIT; not relevant */
221 550, /* STARTTLS */
222 252 /* VRFY */
223 };
224
225 BOOL active_local_from_check = FALSE;
226 BOOL active_local_sender_retain = FALSE;
227 BOOL accept_8bitmime = FALSE;
228 address_item *addr_duplicate = NULL;
229
230 address_item address_defaults = {
231 NULL, /* next */
232 NULL, /* parent */
233 NULL, /* first */
234 NULL, /* dupof */
235 NULL, /* start_router */
236 NULL, /* router */
237 NULL, /* transport */
238 NULL, /* host_list */
239 NULL, /* host_used */
240 NULL, /* fallback_hosts */
241 NULL, /* reply */
242 NULL, /* retries */
243 NULL, /* address */
244 NULL, /* unique */
245 NULL, /* cc_local_part */
246 NULL, /* lc_local_part */
247 NULL, /* local_part */
248 NULL, /* prefix */
249 NULL, /* suffix */
250 NULL, /* domain */
251 NULL, /* address_retry_key */
252 NULL, /* domain_retry_key */
253 NULL, /* current_dir */
254 NULL, /* home_dir */
255 NULL, /* message */
256 NULL, /* user_message */
257 NULL, /* onetime_parent */
258 NULL, /* pipe_expandn */
259 NULL, /* return_filename */
260 NULL, /* self_hostname */
261 NULL, /* shadow_message */
262 #ifdef SUPPORT_TLS
263 NULL, /* cipher */
264 NULL, /* peerdn */
265 #endif
266 (uid_t)(-1), /* uid */
267 (gid_t)(-1), /* gid */
268 0, /* flags */
269 { 0 }, /* domain_cache - any larger array should be zeroed */
270 { 0 }, /* localpart_cache - ditto */
271 -1, /* mode */
272 0, /* more_errno */
273 ERRNO_UNKNOWNERROR, /* basic_errno */
274 0, /* child_count */
275 -1, /* return_file */
276 SPECIAL_NONE, /* special_action */
277 DEFER, /* transport_return */
278 { /* fields that are propagated to children */
279 NULL, /* address_data */
280 NULL, /* domain_data */
281 NULL, /* localpart_data */
282 NULL, /* errors_address */
283 NULL, /* extra_headers */
284 NULL, /* remove_headers */
285 #ifdef EXPERIMENTAL_SRS
286 NULL, /* srs_sender */
287 #endif
288 }
289 };
290
291 uschar *address_file = NULL;
292 uschar *address_pipe = NULL;
293 BOOL address_test_mode = FALSE;
294 tree_node *addresslist_anchor = NULL;
295 int addresslist_count = 0;
296 gid_t *admin_groups = NULL;
297 BOOL admin_user = FALSE;
298 BOOL allow_domain_literals = FALSE;
299 BOOL allow_mx_to_ip = FALSE;
300 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
301 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
302 BOOL allow_utf8_domains = FALSE;
303 uschar *authenticated_id = NULL;
304 uschar *authenticated_sender = NULL;
305 BOOL authentication_failed = FALSE;
306 auth_instance *auths = NULL;
307 uschar *auth_advertise_hosts = US"*";
308 auth_instance auth_defaults = {
309 NULL, /* chain pointer */
310 NULL, /* name */
311 NULL, /* info */
312 NULL, /* private options block pointer */
313 NULL, /* driver_name */
314 NULL, /* advertise_condition */
315 NULL, /* public_name */
316 NULL, /* set_id */
317 NULL, /* server_mail_auth_condition */
318 NULL, /* server_debug_string */
319 FALSE, /* client */
320 FALSE, /* server */
321 FALSE /* advertised */
322 };
323
324 uschar *auth_defer_msg = US"reason not recorded";
325 uschar *auth_defer_user_msg = US"";
326 int auto_thaw = 0;
327 #ifdef WITH_CONTENT_SCAN
328 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
329 #endif
330
331 BOOL background_daemon = TRUE;
332 uschar *base62_chars=
333 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
334 uschar *bi_command = NULL;
335 uschar *big_buffer = NULL;
336 int big_buffer_size = BIG_BUFFER_SIZE;
337 #ifdef EXPERIMENTAL_BRIGHTMAIL
338 uschar *bmi_alt_location = NULL;
339 uschar *bmi_base64_tracker_verdict = NULL;
340 uschar *bmi_base64_verdict = NULL;
341 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
342 int bmi_deliver = 1;
343 int bmi_run = 0;
344 uschar *bmi_verdicts = NULL;
345 #endif
346 int body_linecount = 0;
347 int body_zerocount = 0;
348 uschar *bounce_message_file = NULL;
349 uschar *bounce_message_text = NULL;
350 uschar *bounce_recipient = NULL;
351 BOOL bounce_return_body = TRUE;
352 BOOL bounce_return_message = TRUE;
353 int bounce_return_size_limit = 100*1024;
354 uschar *bounce_sender_authentication = NULL;
355 int bsmtp_transaction_linecount = 0;
356
357 int callout_cache_domain_positive_expire = 7*24*60*60;
358 int callout_cache_domain_negative_expire = 3*60*60;
359 int callout_cache_positive_expire = 24*60*60;
360 int callout_cache_negative_expire = 2*60*60;
361 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
362 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
363 int check_log_inodes = 0;
364 int check_log_space = 0;
365 int check_spool_inodes = 0;
366 int check_spool_space = 0;
367 int clmacro_count = 0;
368 uschar *clmacros[MAX_CLMACROS];
369 BOOL config_changed = FALSE;
370 FILE *config_file = NULL;
371 uschar *config_filename = NULL;
372 int config_lineno = 0;
373 #ifdef CONFIGURE_GROUP
374 gid_t config_gid = CONFIGURE_GROUP;
375 #endif
376 uschar *config_main_filelist = US CONFIGURE_FILE
377 "\0<-----------Space to patch configure_filename->";
378 uschar *config_main_filename = NULL;
379
380 #ifdef CONFIGURE_OWNER
381 uid_t config_uid = CONFIGURE_OWNER;
382 #endif
383
384 int connection_max_messages= -1;
385 uschar *continue_hostname = NULL;
386 uschar *continue_host_address = NULL;
387 BOOL continue_more = FALSE;
388 int continue_sequence = 1;
389 uschar *continue_transport = NULL;
390
391 uschar *csa_status = NULL;
392
393 BOOL daemon_listen = FALSE;
394 uschar *daemon_smtp_port = US"smtp";
395 int daemon_startup_retries = 9;
396 int daemon_startup_sleep = 30;
397 BOOL debug_daemon = FALSE;
398 int debug_fd = -1;
399 FILE *debug_file = NULL;
400 bit_table debug_options[] = {
401 { US"acl", D_acl },
402 { US"all", D_all },
403 { US"auth", D_auth },
404 { US"deliver", D_deliver },
405 { US"dns", D_dns },
406 { US"dnsbl", D_dnsbl },
407 { US"exec", D_exec },
408 { US"expand", D_expand },
409 { US"filter", D_filter },
410 { US"hints_lookup", D_hints_lookup },
411 { US"host_lookup", D_host_lookup },
412 { US"ident", D_ident },
413 { US"interface", D_interface },
414 { US"lists", D_lists },
415 { US"load", D_load },
416 { US"local_scan", D_local_scan },
417 { US"lookup", D_lookup },
418 { US"memory", D_memory },
419 { US"pid", D_pid },
420 { US"process_info", D_process_info },
421 { US"queue_run", D_queue_run },
422 { US"receive", D_receive },
423 { US"resolver", D_resolver },
424 { US"retry", D_retry },
425 { US"rewrite", D_rewrite },
426 { US"route", D_route },
427 { US"timestamp", D_timestamp },
428 { US"tls", D_tls },
429 { US"transport", D_transport },
430 { US"uid", D_uid },
431 { US"verify", D_verify }
432 };
433 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
434 unsigned int debug_selector = 0;
435 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
436 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
437 BOOL delivery_date_remove = TRUE;
438 uschar *deliver_address_data = NULL;
439 int deliver_datafile = -1;
440 uschar *deliver_domain = NULL;
441 uschar *deliver_domain_data = NULL;
442 uschar *deliver_domain_orig = NULL;
443 uschar *deliver_domain_parent = NULL;
444 BOOL deliver_drop_privilege = FALSE;
445 BOOL deliver_firsttime = FALSE;
446 BOOL deliver_force = FALSE;
447 BOOL deliver_freeze = FALSE;
448 int deliver_frozen_at = 0;
449 uschar *deliver_home = NULL;
450 uschar *deliver_host = NULL;
451 uschar *deliver_host_address = NULL;
452 uschar *deliver_in_buffer = NULL;
453 ino_t deliver_inode = 0;
454 uschar *deliver_localpart = NULL;
455 uschar *deliver_localpart_data = NULL;
456 uschar *deliver_localpart_orig = NULL;
457 uschar *deliver_localpart_parent = NULL;
458 uschar *deliver_localpart_prefix = NULL;
459 uschar *deliver_localpart_suffix = NULL;
460 BOOL deliver_force_thaw = FALSE;
461 BOOL deliver_manual_thaw = FALSE;
462 uschar *deliver_out_buffer = NULL;
463 int deliver_queue_load_max = -1;
464 address_item *deliver_recipients = NULL;
465 uschar *deliver_selectstring = NULL;
466 BOOL deliver_selectstring_regex = FALSE;
467 uschar *deliver_selectstring_sender = NULL;
468 BOOL deliver_selectstring_sender_regex = FALSE;
469 #ifdef WITH_OLD_DEMIME
470 int demime_errorlevel = 0;
471 int demime_ok = 0;
472 uschar *demime_reason = NULL;
473 #endif
474 BOOL disable_logging = FALSE;
475
476 #ifdef EXPERIMENTAL_DOMAINKEYS
477 uschar *dk_signing_domain = NULL;
478 uschar *dk_signing_selector = NULL;
479 int dk_do_verify = 0;
480 #endif
481
482 uschar *dns_again_means_nonexist = NULL;
483 int dns_csa_search_limit = 5;
484 BOOL dns_csa_use_reverse = TRUE;
485 uschar *dns_ipv4_lookup = NULL;
486 int dns_retrans = 0;
487 int dns_retry = 0;
488 uschar *dnslist_domain = NULL;
489 uschar *dnslist_text = NULL;
490 uschar *dnslist_value = NULL;
491 tree_node *domainlist_anchor = NULL;
492 int domainlist_count = 0;
493 BOOL dont_deliver = FALSE;
494 BOOL dot_ends = TRUE;
495 BOOL drop_cr = FALSE; /* No longer used */
496
497 BOOL enable_dollar_recipients = FALSE;
498 BOOL envelope_to_remove = TRUE;
499 int errno_quota = ERRNO_QUOTA;
500 uschar *errors_copy = NULL;
501 int error_handling = ERRORS_SENDER;
502 uschar *errors_reply_to = NULL;
503 int errors_sender_rc = EXIT_FAILURE;
504
505 gid_t exim_gid = EXIM_GID;
506 BOOL exim_gid_set = TRUE; /* This gid is always set */
507 uschar *exim_path = US BIN_DIRECTORY "/exim"
508 "\0<---------------Space to patch exim_path->";
509 uid_t exim_uid = EXIM_UID;
510 BOOL exim_uid_set = TRUE; /* This uid is always set */
511 int expand_forbid = 0;
512 int expand_nlength[EXPAND_MAXN+1];
513 int expand_nmax = -1;
514 uschar *expand_nstring[EXPAND_MAXN+1];
515 BOOL expand_string_forcedfail = FALSE;
516 uschar *expand_string_message;
517 BOOL extract_addresses_remove_arguments = TRUE;
518 uschar *extra_local_interfaces = NULL;
519
520 int fake_response = OK;
521 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).";
522 int filter_n[FILTER_VARIABLE_COUNT];
523 BOOL filter_running = FALSE;
524 int filter_sn[FILTER_VARIABLE_COUNT];
525 int filter_test = FTEST_NONE;
526 uschar *filter_test_sfile = NULL;
527 uschar *filter_test_ufile = NULL;
528 uschar *filter_thisaddress = NULL;
529 int finduser_retries = 0;
530 #ifdef WITH_OLD_DEMIME
531 uschar *found_extension = NULL;
532 #endif
533 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
534 uschar *freeze_tell = NULL;
535 uschar *fudged_queue_times = US"";
536
537 uschar *gecos_name = NULL;
538 uschar *gecos_pattern = NULL;
539 rewrite_rule *global_rewrite_rules = NULL;
540
541 uschar *headers_charset = US HEADERS_CHARSET;
542 int header_insert_maxlen = 64 * 1024;
543 header_line *header_last = NULL;
544 header_line *header_list = NULL;
545 int header_maxsize = HEADER_MAXSIZE;
546 int header_line_maxsize = 0;
547
548 header_name header_names[] = {
549 { US"bcc", 3, TRUE, htype_bcc },
550 { US"cc", 2, TRUE, htype_cc },
551 { US"date", 4, TRUE, htype_date },
552 { US"delivery-date", 13, FALSE, htype_delivery_date },
553 { US"envelope-to", 11, FALSE, htype_envelope_to },
554 { US"from", 4, TRUE, htype_from },
555 { US"message-id", 10, TRUE, htype_id },
556 { US"received", 8, FALSE, htype_received },
557 { US"reply-to", 8, FALSE, htype_reply_to },
558 { US"return-path", 11, FALSE, htype_return_path },
559 { US"sender", 6, TRUE, htype_sender },
560 { US"subject", 7, FALSE, htype_subject },
561 { US"to", 2, TRUE, htype_to }
562 };
563
564 int header_names_size = sizeof(header_names)/sizeof(header_name);
565
566 BOOL header_rewritten = FALSE;
567 uschar *helo_accept_junk_hosts = NULL;
568 uschar *helo_allow_chars = US"";
569 uschar *helo_lookup_domains = US"@ : @[]";
570 uschar *helo_try_verify_hosts = NULL;
571 BOOL helo_verified = FALSE;
572 uschar *helo_verify_hosts = NULL;
573 uschar *hex_digits = US"0123456789abcdef";
574 uschar *hold_domains = NULL;
575 BOOL host_checking = FALSE;
576 BOOL host_checking_callout = FALSE;
577 uschar *host_data = NULL;
578 BOOL host_find_failed_syntax= FALSE;
579 uschar *host_lookup = NULL;
580 BOOL host_lookup_deferred = FALSE;
581 BOOL host_lookup_failed = FALSE;
582 uschar *host_lookup_order = US"bydns:byaddr";
583 uschar *host_lookup_msg = US"";
584 int host_number = 0;
585 uschar *host_number_string = NULL;
586 uschar *host_reject_connection = NULL;
587 tree_node *hostlist_anchor = NULL;
588 int hostlist_count = 0;
589 uschar *hosts_treat_as_local = NULL;
590 uschar *hosts_connection_nolog = NULL;
591
592 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
593 BOOL ignore_fromline_local = FALSE;
594 uschar *ignore_fromline_hosts = NULL;
595 uschar *interface_address = NULL;
596 int interface_port = -1;
597 BOOL is_inetd = FALSE;
598
599 int journal_fd = -1;
600
601 int keep_malformed = 4*24*60*60; /* 4 days */
602
603 uschar *eldap_dn = NULL;
604 int load_average = -2;
605 BOOL local_error_message = FALSE;
606 BOOL local_from_check = TRUE;
607 uschar *local_from_prefix = NULL;
608 uschar *local_from_suffix = NULL;
609
610 #if HAVE_IPV6
611 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
612 #else
613 uschar *local_interfaces = US"0.0.0.0";
614 #endif
615
616 uschar *local_scan_data = NULL;
617 int local_scan_timeout = 5*60;
618 BOOL local_sender_retain = FALSE;
619 gid_t local_user_gid = (gid_t)(-1);
620 uid_t local_user_uid = (uid_t)(-1);
621
622 tree_node *localpartlist_anchor= NULL;
623 int localpartlist_count = 0;
624 uschar *log_buffer = NULL;
625 unsigned int log_extra_selector = LX_default;
626 uschar *log_file_path = US LOG_FILE_PATH
627 "\0<--------------Space to patch log_file_path->";
628
629 /* Those log options with L_xxx identifiers have values less than 0x800000 and
630 are the ones that get put into log_write_selector. They can be used in calls to
631 log_write() to test for the bit. The options with LX_xxx identifiers have
632 values greater than 0x80000000 and are put int log_extra_selector (without the
633 top bit). They are never used in calls to log_write(), but are tested
634 independently. This separation became necessary when the number of log
635 selectors was getting close to filling a 32-bit word. */
636
637 bit_table log_options[] = {
638 { US"address_rewrite", L_address_rewrite },
639 { US"all", L_all },
640 { US"all_parents", L_all_parents },
641 { US"arguments", LX_arguments },
642 { US"connection_reject", L_connection_reject },
643 { US"delay_delivery", L_delay_delivery },
644 { US"deliver_time", LX_deliver_time },
645 { US"delivery_size", LX_delivery_size },
646 { US"dnslist_defer", L_dnslist_defer },
647 { US"etrn", L_etrn },
648 { US"host_lookup_failed", L_host_lookup_failed },
649 { US"ident_timeout", LX_ident_timeout },
650 { US"incoming_interface", LX_incoming_interface },
651 { US"incoming_port", LX_incoming_port },
652 { US"lost_incoming_connection", L_lost_incoming_connection },
653 { US"outgoing_port", LX_outgoing_port },
654 { US"queue_run", L_queue_run },
655 { US"queue_time", LX_queue_time },
656 { US"queue_time_overall", LX_queue_time_overall },
657 { US"received_recipients", LX_received_recipients },
658 { US"received_sender", LX_received_sender },
659 { US"rejected_header", LX_rejected_header },
660 { US"rejected_headers", LX_rejected_header },
661 { US"retry_defer", L_retry_defer },
662 { US"return_path_on_delivery", LX_return_path_on_delivery },
663 { US"sender_on_delivery", LX_sender_on_delivery },
664 { US"size_reject", L_size_reject },
665 { US"skip_delivery", L_skip_delivery },
666 { US"smtp_confirmation", LX_smtp_confirmation },
667 { US"smtp_connection", L_smtp_connection },
668 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
669 { US"smtp_protocol_error", L_smtp_protocol_error },
670 { US"smtp_syntax_error", L_smtp_syntax_error },
671 { US"subject", LX_subject },
672 { US"tls_certificate_verified", LX_tls_certificate_verified },
673 { US"tls_cipher", LX_tls_cipher },
674 { US"tls_peerdn", LX_tls_peerdn }
675 };
676
677 int log_options_count = sizeof(log_options)/sizeof(bit_table);
678 unsigned int log_write_selector= L_default;
679 uschar *log_selector_string = NULL;
680 FILE *log_stderr = NULL;
681 BOOL log_testing_mode = FALSE;
682 BOOL log_timezone = FALSE;
683 uschar *login_sender_address = NULL;
684 int lookup_open_max = 25;
685 uschar *lookup_value = NULL;
686
687 macro_item *macros = NULL;
688 uschar *mailstore_basename = NULL;
689 #ifdef WITH_CONTENT_SCAN
690 uschar *malware_name = NULL; /* Virus Name */
691 #endif
692 int max_username_length = 0;
693 int message_age = 0;
694 uschar *message_body = NULL;
695 uschar *message_body_end = NULL;
696 int message_body_size = 0;
697 int message_body_visible = 500;
698 int message_ended = END_NOTSTARTED;
699 uschar *message_headers = NULL;
700 uschar *message_id;
701 uschar *message_id_domain = NULL;
702 uschar *message_id_text = NULL;
703 struct timeval message_id_tv = { 0, 0 };
704 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
705 uschar *message_id_external;
706 int message_linecount = 0;
707 BOOL message_logs = TRUE;
708 int message_size = 0;
709 uschar *message_size_limit = US"50M";
710 uschar message_subdir[2] = { 0, 0 };
711 uschar *message_reference = NULL;
712
713 /* MIME ACL expandables */
714 #ifdef WITH_CONTENT_SCAN
715 int mime_anomaly_level = 0;
716 uschar *mime_anomaly_text = NULL;
717 uschar *mime_boundary = NULL;
718 uschar *mime_charset = NULL;
719 uschar *mime_content_description = NULL;
720 uschar *mime_content_disposition = NULL;
721 uschar *mime_content_id = NULL;
722 unsigned int mime_content_size = 0;
723 uschar *mime_content_transfer_encoding = NULL;
724 uschar *mime_content_type = NULL;
725 uschar *mime_decoded_filename = NULL;
726 uschar *mime_filename = NULL;
727 int mime_is_multipart = 0;
728 int mime_is_coverletter = 0;
729 int mime_is_rfc822 = 0;
730 int mime_part_count = -1;
731 #endif
732
733 BOOL mua_wrapper = FALSE;
734
735 uid_t *never_users = NULL;
736 #ifdef WITH_CONTENT_SCAN
737 BOOL no_mbox_unspool = FALSE;
738 #endif
739 BOOL no_multiline_responses = FALSE;
740
741 uid_t original_euid;
742 gid_t originator_gid;
743 uschar *originator_login = NULL;
744 uschar *originator_name = NULL;
745 uid_t originator_uid;
746 uschar *override_local_interfaces = NULL;
747 uschar *override_pid_file_path = NULL;
748
749 BOOL parse_allow_group = FALSE;
750 BOOL parse_found_group = FALSE;
751 uschar *percent_hack_domains = NULL;
752 uschar *pid_file_path = US PID_FILE_PATH
753 "\0<--------------Space to patch pid_file_path->";
754 uschar *pipelining_advertise_hosts = US"*";
755 BOOL preserve_message_logs = FALSE;
756 uschar *primary_hostname = NULL;
757 BOOL print_topbitchars = FALSE;
758 uschar process_info[PROCESS_INFO_SIZE];
759 uschar *process_log_path = NULL;
760 BOOL prod_requires_admin = TRUE;
761 uschar *prvscheck_address = NULL;
762 uschar *prvscheck_keynum = NULL;
763 uschar *prvscheck_result = NULL;
764
765
766 uschar *qualify_domain_recipient = NULL;
767 uschar *qualify_domain_sender = NULL;
768 BOOL queue_2stage = FALSE;
769 uschar *queue_domains = NULL;
770 int queue_interval = -1;
771 BOOL queue_list_requires_admin = TRUE;
772 BOOL queue_only = FALSE;
773 uschar *queue_only_file = NULL;
774 int queue_only_load = -1;
775 BOOL queue_only_override = TRUE;
776 BOOL queue_only_policy = FALSE;
777 BOOL queue_run_first_delivery = FALSE;
778 BOOL queue_run_force = FALSE;
779 BOOL queue_run_in_order = FALSE;
780 BOOL queue_run_local = FALSE;
781 int queue_run_max = 5;
782 pid_t queue_run_pid = (pid_t)0;
783 int queue_run_pipe = -1;
784 BOOL queue_running = FALSE;
785 BOOL queue_smtp = FALSE;
786 uschar *queue_smtp_domains = NULL;
787
788 unsigned int random_seed = 0;
789 tree_node *ratelimiters_cmd = NULL;
790 tree_node *ratelimiters_conn = NULL;
791 tree_node *ratelimiters_mail = NULL;
792 uschar *raw_active_hostname = NULL;
793 uschar *raw_sender = NULL;
794 uschar **raw_recipients = NULL;
795 int raw_recipients_count = 0;
796
797 int rcpt_count = 0;
798 int rcpt_fail_count = 0;
799 int rcpt_defer_count = 0;
800 gid_t real_gid;
801 uid_t real_uid;
802 BOOL really_exim = TRUE;
803 BOOL receive_call_bombout = FALSE;
804 int receive_linecount = 0;
805 int receive_messagecount = 0;
806 int receive_timeout = 0;
807 int received_count = 0;
808 uschar *received_for = NULL;
809
810 /* This is the default text for Received headers generated by Exim. The
811 date will be automatically added on the end. */
812
813 uschar *received_header_text = US
814 "Received: "
815 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
816 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
817 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
818 "by $primary_hostname "
819 "${if def:received_protocol {with $received_protocol}} "
820 #ifdef SUPPORT_TLS
821 "${if def:tls_cipher {($tls_cipher)\n\t}}"
822 #endif
823 "(Exim $version_number)\n\t"
824 "id $message_exim_id"
825 "${if def:received_for {\n\tfor $received_for}}"
826 "\0<---------------Space to patch received_header_text->";
827
828 int received_headers_max = 30;
829 uschar *received_protocol = NULL;
830 int received_time = 0;
831 uschar *recipient_data = NULL;
832 uschar *recipient_unqualified_hosts = NULL;
833 uschar *recipient_verify_failure = NULL;
834 int recipients_count = 0;
835 BOOL recipients_discarded = FALSE;
836 recipient_item *recipients_list = NULL;
837 int recipients_list_max = 0;
838 int recipients_max = 0;
839 BOOL recipients_max_reject = FALSE;
840 const pcre *regex_AUTH = NULL;
841 const pcre *regex_check_dns_names = NULL;
842 const pcre *regex_From = NULL;
843 const pcre *regex_IGNOREQUOTA = NULL;
844 const pcre *regex_PIPELINING = NULL;
845 const pcre *regex_SIZE = NULL;
846 const pcre *regex_ismsgid = NULL;
847 #ifdef WITH_CONTENT_SCAN
848 uschar *regex_match_string = NULL;
849 #endif
850 int remote_delivery_count = 0;
851 int remote_max_parallel = 2;
852 uschar *remote_sort_domains = NULL;
853 int retry_data_expire = 7*24*60*60;
854 int retry_interval_max = 24*60*60;
855 int retry_maximum_timeout = 0; /* set from retry config */
856 retry_config *retries = NULL;
857 uschar *return_path = NULL;
858 BOOL return_path_remove = TRUE;
859 int rewrite_existflags = 0;
860 uschar *rfc1413_hosts = US"*";
861 int rfc1413_query_timeout = 30;
862 /* BOOL rfc821_domains = FALSE; <<< on the way out */
863 uid_t root_uid = ROOT_UID;
864
865 router_instance *routers = NULL;
866 router_instance router_defaults = {
867 NULL, /* chain pointer */
868 NULL, /* name */
869 NULL, /* info */
870 NULL, /* private options block pointer */
871 NULL, /* driver name */
872
873 NULL, /* address_data */
874 #ifdef EXPERIMENTAL_BRIGHTMAIL
875 NULL, /* bmi_rule */
876 #endif
877 NULL, /* cannot_route_message */
878 NULL, /* condition */
879 NULL, /* current_directory */
880 NULL, /* debug_string */
881 NULL, /* domains */
882 NULL, /* errors_to */
883 NULL, /* expand_gid */
884 NULL, /* expand_uid */
885 NULL, /* expand_more */
886 NULL, /* expand_unseen */
887 NULL, /* extra_headers */
888 NULL, /* fallback_hosts */
889 NULL, /* home_directory */
890 NULL, /* ignore_target_hosts */
891 NULL, /* local_parts */
892 NULL, /* pass_router_name */
893 NULL, /* prefix */
894 NULL, /* redirect_router_name */
895 NULL, /* remove_headers */
896 NULL, /* require_files */
897 NULL, /* router_home_directory */
898 US"freeze", /* self */
899 NULL, /* senders */
900 NULL, /* suffix */
901 NULL, /* translate_ip_address */
902 NULL, /* transport_name */
903
904 TRUE, /* address_test */
905 #ifdef EXPERIMENTAL_BRIGHTMAIL
906 FALSE, /* bmi_deliver_alternate */
907 FALSE, /* bmi_deliver_default */
908 FALSE, /* bmi_dont_deliver */
909 #endif
910 TRUE, /* expn */
911 FALSE, /* caseful_local_part */
912 FALSE, /* check_local_user */
913 FALSE, /* disable_logging */
914 FALSE, /* fail_verify_recipient */
915 FALSE, /* fail_verify_sender */
916 FALSE, /* gid_set */
917 FALSE, /* initgroups */
918 TRUE_UNSET, /* log_as_local */
919 TRUE, /* more */
920 FALSE, /* pass_on_timeout */
921 FALSE, /* prefix_optional */
922 TRUE, /* repeat_use */
923 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
924 FALSE, /* same_domain_copy_routing */
925 FALSE, /* self_rewrite */
926 FALSE, /* suffix_optional */
927 FALSE, /* verify_only */
928 TRUE, /* verify_recipient */
929 TRUE, /* verify_sender */
930 FALSE, /* uid_set */
931 FALSE, /* unseen */
932
933 self_freeze, /* self_code */
934 (uid_t)(-1), /* uid */
935 (gid_t)(-1), /* gid */
936
937 NULL, /* fallback_hostlist */
938 NULL, /* transport instance */
939 NULL, /* pass_router */
940 NULL /* redirect_router */
941 };
942
943 ip_address_item *running_interfaces = NULL;
944 BOOL running_in_test_harness = FALSE;
945
946 /* This is a weird one. The following string gets patched in the binary by the
947 script that sets up a copy of Exim for running in the test harness. It seems
948 that compilers are now clever, and share constant strings if they can.
949 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
950 make use of the end of this string in order to save space. So the patching then
951 wrecks this. We default this optimization by adding some additional characters
952 onto the end of the string. */
953
954 uschar *running_status = US">>>running<<<" "\0EXTRA";
955
956 int runrc = 0;
957
958 uschar *search_error_message = NULL;
959 BOOL search_find_defer = FALSE;
960 uschar *self_hostname = NULL;
961 uschar *sender_address = NULL;
962 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
963 uschar *sender_address_data = NULL;
964 BOOL sender_address_forced = FALSE;
965 uschar *sender_address_unrewritten = NULL;
966 uschar *sender_data = NULL;
967 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
968 uschar *sender_fullhost = NULL;
969 uschar *sender_helo_name = NULL;
970 uschar **sender_host_aliases = &no_aliases;
971 uschar *sender_host_address = NULL;
972 uschar *sender_host_authenticated = NULL;
973 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
974 uschar *sender_host_name = NULL;
975 int sender_host_port = 0;
976 BOOL sender_host_notsocket = FALSE;
977 BOOL sender_host_unknown = FALSE;
978 uschar *sender_ident = NULL;
979 BOOL sender_local = FALSE;
980 uschar *sender_rate = NULL;
981 uschar *sender_rate_limit = NULL;
982 uschar *sender_rate_period = NULL;
983 uschar *sender_rcvhost = NULL;
984 BOOL sender_set_untrusted = FALSE;
985 uschar *sender_unqualified_hosts = NULL;
986 uschar *sender_verify_failure = NULL;
987 address_item *sender_verified_list = NULL;
988 address_item *sender_verified_failed = NULL;
989 int sender_verified_rc = -1;
990 BOOL sender_verified_responded = FALSE;
991 volatile BOOL sigalrm_seen = FALSE;
992 uschar **sighup_argv = NULL;
993 int smtp_accept_count = 0;
994 BOOL smtp_accept_keepalive = TRUE;
995 int smtp_accept_max = 20;
996 int smtp_accept_max_nonmail= 10;
997 uschar *smtp_accept_max_nonmail_hosts = US"*";
998 int smtp_accept_max_per_connection = 1000;
999 uschar *smtp_accept_max_per_host = NULL;
1000 int smtp_accept_queue = 0;
1001 int smtp_accept_queue_per_connection = 10;
1002 int smtp_accept_reserve = 0;
1003 uschar *smtp_active_hostname = NULL;
1004 BOOL smtp_authenticated = FALSE;
1005 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1006 "Exim $version_number $tod_full"
1007 "\0<---------------Space to patch smtp_banner->";
1008 BOOL smtp_batched_input = FALSE;
1009 BOOL smtp_check_spool_space = TRUE;
1010 uschar *smtp_command_argument = NULL;
1011 int smtp_connect_backlog = 20;
1012 double smtp_delay_mail = 0.0;
1013 double smtp_delay_rcpt = 0.0;
1014 BOOL smtp_enforce_sync = TRUE;
1015 FILE *smtp_in = NULL;
1016 BOOL smtp_input = FALSE;
1017 int smtp_load_reserve = -1;
1018 int smtp_mailcmd_count = 0;
1019 FILE *smtp_out = NULL;
1020 uschar *smtp_etrn_command = NULL;
1021 BOOL smtp_etrn_serialize = TRUE;
1022 int smtp_max_synprot_errors= 3;
1023 int smtp_max_unknown_commands = 3;
1024 uschar *smtp_ratelimit_hosts = NULL;
1025 uschar *smtp_ratelimit_mail = NULL;
1026 uschar *smtp_ratelimit_rcpt = NULL;
1027 uschar *smtp_read_error = US"";
1028 int smtp_receive_timeout = 5*60;
1029 uschar *smtp_reserve_hosts = NULL;
1030 BOOL smtp_return_error_details = FALSE;
1031 int smtp_rlm_base = 0;
1032 double smtp_rlm_factor = 0.0;
1033 int smtp_rlm_limit = 0;
1034 int smtp_rlm_threshold = INT_MAX;
1035 int smtp_rlr_base = 0;
1036 double smtp_rlr_factor = 0.0;
1037 int smtp_rlr_limit = 0;
1038 int smtp_rlr_threshold = INT_MAX;
1039 BOOL smtp_use_pipelining = FALSE;
1040 BOOL smtp_use_size = FALSE;
1041
1042 #ifdef WITH_CONTENT_SCAN
1043 uschar *spamd_address = US"127.0.0.1 783";
1044 uschar *spam_bar = NULL;
1045 uschar *spam_report = NULL;
1046 uschar *spam_score = NULL;
1047 uschar *spam_score_int = NULL;
1048 #endif
1049 #ifdef EXPERIMENTAL_SPF
1050 uschar *spf_header_comment = NULL;
1051 uschar *spf_received = NULL;
1052 uschar *spf_result = NULL;
1053 uschar *spf_smtp_comment = NULL;
1054 #endif
1055
1056 BOOL split_spool_directory = FALSE;
1057 uschar *spool_directory = US SPOOL_DIRECTORY
1058 "\0<--------------Space to patch spool_directory->";
1059 #ifdef EXPERIMENTAL_SRS
1060 uschar *srs_config = NULL;
1061 uschar *srs_db_address = NULL;
1062 uschar *srs_db_key = NULL;
1063 int srs_hashlength = 6;
1064 int srs_hashmin = -1;
1065 int srs_maxage = 31;
1066 uschar *srs_orig_recipient = NULL;
1067 uschar *srs_orig_sender = NULL;
1068 uschar *srs_recipient = NULL;
1069 uschar *srs_secrets = NULL;
1070 uschar *srs_status = NULL;
1071 BOOL srs_usehash = TRUE;
1072 BOOL srs_usetimestamp = TRUE;
1073 #endif
1074 int string_datestamp_offset= -1;
1075 BOOL strip_excess_angle_brackets = FALSE;
1076 BOOL strip_trailing_dot = FALSE;
1077 uschar *submission_domain = NULL;
1078 BOOL submission_mode = FALSE;
1079 BOOL synchronous_delivery = FALSE;
1080 BOOL syslog_duplication = TRUE;
1081 int syslog_facility = LOG_MAIL;
1082 uschar *syslog_processname = US"exim";
1083 BOOL syslog_timestamp = TRUE;
1084 uschar *system_filter = NULL;
1085
1086 uschar *system_filter_directory_transport = NULL;
1087 uschar *system_filter_file_transport = NULL;
1088 uschar *system_filter_pipe_transport = NULL;
1089 uschar *system_filter_reply_transport = NULL;
1090
1091 gid_t system_filter_gid = 0;
1092 BOOL system_filter_gid_set = FALSE;
1093 uid_t system_filter_uid = 0;
1094 BOOL system_filter_uid_set = FALSE;
1095 BOOL system_filtering = FALSE;
1096
1097 BOOL tcp_nodelay = TRUE;
1098 int thismessage_size_limit = 0;
1099 int timeout_frozen_after = 0;
1100 BOOL timestamps_utc = FALSE;
1101
1102 transport_instance *transports = NULL;
1103
1104 transport_instance transport_defaults = {
1105 NULL, /* chain pointer */
1106 NULL, /* name */
1107 NULL, /* info */
1108 NULL, /* private options block pointer */
1109 NULL, /* driver name */
1110 NULL, /* setup entry point */
1111 1, /* batch_max */
1112 NULL, /* batch_id */
1113 NULL, /* home_dir */
1114 NULL, /* current_dir */
1115 TRUE, /* multi-domain */
1116 FALSE, /* overrides_hosts */
1117 100, /* max_addresses */
1118 500, /* connection_max_messages */
1119 FALSE, /* deliver_as_creator */
1120 FALSE, /* disable_logging */
1121 FALSE, /* initgroups */
1122 FALSE, /* uid_set */
1123 FALSE, /* gid_set */
1124 (uid_t)(-1), /* uid */
1125 (gid_t)(-1), /* gid */
1126 NULL, /* expand_uid */
1127 NULL, /* expand_gid */
1128 NULL, /* warn_message */
1129 NULL, /* shadow */
1130 NULL, /* shadow_condition */
1131 NULL, /* filter_command */
1132 NULL, /* add_headers */
1133 NULL, /* remove_headers */
1134 NULL, /* return_path */
1135 NULL, /* debug_string */
1136 NULL, /* message_size_limit */
1137 NULL, /* headers_rewrite */
1138 NULL, /* rewrite_rules */
1139 0, /* rewrite_existflags */
1140 300, /* filter_timeout */
1141 FALSE, /* body_only */
1142 FALSE, /* delivery_date_add */
1143 FALSE, /* envelope_to_add */
1144 FALSE, /* headers_only */
1145 FALSE, /* rcpt_include_affixes */
1146 FALSE, /* return_path_add */
1147 FALSE, /* return_output */
1148 FALSE, /* return_fail_output */
1149 FALSE, /* log_output */
1150 FALSE, /* log_fail_output */
1151 FALSE, /* log_defer_output */
1152 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1153 1 nor 0 so can detect unset */
1154 };
1155
1156 int transport_count;
1157 uschar **transport_filter_argv = NULL;
1158 int transport_filter_timeout;
1159 BOOL transport_filter_timed_out = FALSE;
1160 int transport_write_timeout= 0;
1161
1162 tree_node *tree_dns_fails = NULL;
1163 tree_node *tree_duplicates = NULL;
1164 tree_node *tree_nonrecipients = NULL;
1165 tree_node *tree_unusable = NULL;
1166
1167 BOOL trusted_caller = FALSE;
1168 gid_t *trusted_groups = NULL;
1169 uid_t *trusted_users = NULL;
1170 uschar *timezone_string = US TIMEZONE_DEFAULT;
1171
1172 uschar *unknown_login = NULL;
1173 uschar *unknown_username = NULL;
1174 uschar *untrusted_set_sender = NULL;
1175
1176 /* A regex for matching a "From_" line in an incoming message, in the form
1177
1178 From ph10 Fri Jan 5 12:35 GMT 1996
1179
1180 which the "mail" commands send to the MTA (undocumented, of course), or in
1181 the form
1182
1183 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1184
1185 which is apparently used by some UUCPs, despite it not being in RFC 976.
1186 Because of variations in time formats, just match up to the minutes. That
1187 should be sufficient. Examples have been seen of time fields like 12:1:03,
1188 so just require one digit for hours and minutes. The weekday is also absent
1189 in some forms. */
1190
1191 uschar *uucp_from_pattern = US
1192 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1193 "(?:" /* Non-extracting bracket */
1194 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1195 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1196 ")" /* End alternation */
1197 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1198
1199 uschar *uucp_from_sender = US"$1";
1200
1201 uschar *warn_message_file = NULL;
1202 uschar *warnmsg_delay = NULL;
1203 uschar *warnmsg_recipients = NULL;
1204 BOOL write_rejectlog = TRUE;
1205
1206 uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1207 uschar *version_date = US"?";
1208 uschar *version_cnumber = US"????";
1209 uschar *version_string = US"?";
1210
1211 int warning_count = 0;
1212
1213 /* End of globals.c */