Reduce rfc1413_query_timeout default from 30s to 5s.
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.51 2006/02/20 16:31:49 ph10 Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2006 */
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_CVARS + ACL_MVARS];
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 uschar *auth_vars[AUTH_VARS];
331 int auto_thaw = 0;
332 #ifdef WITH_CONTENT_SCAN
333 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
334 #endif
335
336 BOOL background_daemon = TRUE;
337
338 #if BASE_62 == 62
339 uschar *base62_chars=
340 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
341 #else
342 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
343 #endif
344
345 uschar *bi_command = NULL;
346 uschar *big_buffer = NULL;
347 int big_buffer_size = BIG_BUFFER_SIZE;
348 #ifdef EXPERIMENTAL_BRIGHTMAIL
349 uschar *bmi_alt_location = NULL;
350 uschar *bmi_base64_tracker_verdict = NULL;
351 uschar *bmi_base64_verdict = NULL;
352 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
353 int bmi_deliver = 1;
354 int bmi_run = 0;
355 uschar *bmi_verdicts = NULL;
356 #endif
357 int body_linecount = 0;
358 int body_zerocount = 0;
359 uschar *bounce_message_file = NULL;
360 uschar *bounce_message_text = NULL;
361 uschar *bounce_recipient = NULL;
362 BOOL bounce_return_body = TRUE;
363 BOOL bounce_return_message = TRUE;
364 int bounce_return_size_limit = 100*1024;
365 uschar *bounce_sender_authentication = NULL;
366 int bsmtp_transaction_linecount = 0;
367
368 int callout_cache_domain_positive_expire = 7*24*60*60;
369 int callout_cache_domain_negative_expire = 3*60*60;
370 int callout_cache_positive_expire = 24*60*60;
371 int callout_cache_negative_expire = 2*60*60;
372 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
373 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
374 int check_log_inodes = 0;
375 int check_log_space = 0;
376 BOOL check_rfc2047_length = TRUE;
377 int check_spool_inodes = 0;
378 int check_spool_space = 0;
379 int clmacro_count = 0;
380 uschar *clmacros[MAX_CLMACROS];
381 BOOL config_changed = FALSE;
382 FILE *config_file = NULL;
383 uschar *config_filename = NULL;
384 int config_lineno = 0;
385 #ifdef CONFIGURE_GROUP
386 gid_t config_gid = CONFIGURE_GROUP;
387 #endif
388 uschar *config_main_filelist = US CONFIGURE_FILE
389 "\0<-----------Space to patch configure_filename->";
390 uschar *config_main_filename = NULL;
391
392 #ifdef CONFIGURE_OWNER
393 uid_t config_uid = CONFIGURE_OWNER;
394 #endif
395
396 int connection_max_messages= -1;
397 uschar *continue_hostname = NULL;
398 uschar *continue_host_address = NULL;
399 BOOL continue_more = FALSE;
400 int continue_sequence = 1;
401 uschar *continue_transport = NULL;
402
403 uschar *csa_status = NULL;
404
405 BOOL daemon_listen = FALSE;
406 uschar *daemon_smtp_port = US"smtp";
407 int daemon_startup_retries = 9;
408 int daemon_startup_sleep = 30;
409 BOOL debug_daemon = FALSE;
410 int debug_fd = -1;
411 FILE *debug_file = NULL;
412 bit_table debug_options[] = {
413 { US"acl", D_acl },
414 { US"all", D_all },
415 { US"auth", D_auth },
416 { US"deliver", D_deliver },
417 { US"dns", D_dns },
418 { US"dnsbl", D_dnsbl },
419 { US"exec", D_exec },
420 { US"expand", D_expand },
421 { US"filter", D_filter },
422 { US"hints_lookup", D_hints_lookup },
423 { US"host_lookup", D_host_lookup },
424 { US"ident", D_ident },
425 { US"interface", D_interface },
426 { US"lists", D_lists },
427 { US"load", D_load },
428 { US"local_scan", D_local_scan },
429 { US"lookup", D_lookup },
430 { US"memory", D_memory },
431 { US"pid", D_pid },
432 { US"process_info", D_process_info },
433 { US"queue_run", D_queue_run },
434 { US"receive", D_receive },
435 { US"resolver", D_resolver },
436 { US"retry", D_retry },
437 { US"rewrite", D_rewrite },
438 { US"route", D_route },
439 { US"timestamp", D_timestamp },
440 { US"tls", D_tls },
441 { US"transport", D_transport },
442 { US"uid", D_uid },
443 { US"verify", D_verify }
444 };
445 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
446 unsigned int debug_selector = 0;
447 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
448 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
449 BOOL delivery_date_remove = TRUE;
450 uschar *deliver_address_data = NULL;
451 int deliver_datafile = -1;
452 uschar *deliver_domain = NULL;
453 uschar *deliver_domain_data = NULL;
454 uschar *deliver_domain_orig = NULL;
455 uschar *deliver_domain_parent = NULL;
456 BOOL deliver_drop_privilege = FALSE;
457 BOOL deliver_firsttime = FALSE;
458 BOOL deliver_force = FALSE;
459 BOOL deliver_freeze = FALSE;
460 int deliver_frozen_at = 0;
461 uschar *deliver_home = NULL;
462 uschar *deliver_host = NULL;
463 uschar *deliver_host_address = NULL;
464 uschar *deliver_in_buffer = NULL;
465 ino_t deliver_inode = 0;
466 uschar *deliver_localpart = NULL;
467 uschar *deliver_localpart_data = NULL;
468 uschar *deliver_localpart_orig = NULL;
469 uschar *deliver_localpart_parent = NULL;
470 uschar *deliver_localpart_prefix = NULL;
471 uschar *deliver_localpart_suffix = NULL;
472 BOOL deliver_force_thaw = FALSE;
473 BOOL deliver_manual_thaw = FALSE;
474 uschar *deliver_out_buffer = NULL;
475 int deliver_queue_load_max = -1;
476 address_item *deliver_recipients = NULL;
477 uschar *deliver_selectstring = NULL;
478 BOOL deliver_selectstring_regex = FALSE;
479 uschar *deliver_selectstring_sender = NULL;
480 BOOL deliver_selectstring_sender_regex = FALSE;
481 #ifdef WITH_OLD_DEMIME
482 int demime_errorlevel = 0;
483 int demime_ok = 0;
484 uschar *demime_reason = NULL;
485 #endif
486 BOOL disable_ipv6 = FALSE;
487 BOOL disable_logging = FALSE;
488
489 #ifdef EXPERIMENTAL_DOMAINKEYS
490 uschar *dk_signing_domain = NULL;
491 uschar *dk_signing_selector = NULL;
492 int dk_do_verify = 0;
493 #endif
494
495 uschar *dns_again_means_nonexist = NULL;
496 int dns_csa_search_limit = 5;
497 BOOL dns_csa_use_reverse = TRUE;
498 uschar *dns_ipv4_lookup = NULL;
499 int dns_retrans = 0;
500 int dns_retry = 0;
501 uschar *dnslist_domain = NULL;
502 uschar *dnslist_text = NULL;
503 uschar *dnslist_value = NULL;
504 tree_node *domainlist_anchor = NULL;
505 int domainlist_count = 0;
506 BOOL dont_deliver = FALSE;
507 BOOL dot_ends = TRUE;
508 BOOL drop_cr = FALSE; /* No longer used */
509
510 BOOL enable_dollar_recipients = FALSE;
511 BOOL envelope_to_remove = TRUE;
512 int errno_quota = ERRNO_QUOTA;
513 uschar *errors_copy = NULL;
514 int error_handling = ERRORS_SENDER;
515 uschar *errors_reply_to = NULL;
516 int errors_sender_rc = EXIT_FAILURE;
517
518 gid_t exim_gid = EXIM_GID;
519 BOOL exim_gid_set = TRUE; /* This gid is always set */
520 uschar *exim_path = US BIN_DIRECTORY "/exim"
521 "\0<---------------Space to patch exim_path->";
522 uid_t exim_uid = EXIM_UID;
523 BOOL exim_uid_set = TRUE; /* This uid is always set */
524 int expand_forbid = 0;
525 int expand_nlength[EXPAND_MAXN+1];
526 int expand_nmax = -1;
527 uschar *expand_nstring[EXPAND_MAXN+1];
528 BOOL expand_string_forcedfail = FALSE;
529 uschar *expand_string_message;
530 BOOL extract_addresses_remove_arguments = TRUE;
531 uschar *extra_local_interfaces = NULL;
532
533 int fake_response = OK;
534 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).";
535 int filter_n[FILTER_VARIABLE_COUNT];
536 BOOL filter_running = FALSE;
537 int filter_sn[FILTER_VARIABLE_COUNT];
538 int filter_test = FTEST_NONE;
539 uschar *filter_test_sfile = NULL;
540 uschar *filter_test_ufile = NULL;
541 uschar *filter_thisaddress = NULL;
542 int finduser_retries = 0;
543 #ifdef WITH_OLD_DEMIME
544 uschar *found_extension = NULL;
545 #endif
546 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
547 uschar *freeze_tell = NULL;
548 uschar *freeze_tell_config = NULL;
549 uschar *fudged_queue_times = US"";
550
551 uschar *gecos_name = NULL;
552 uschar *gecos_pattern = NULL;
553 rewrite_rule *global_rewrite_rules = NULL;
554
555 uschar *headers_charset = US HEADERS_CHARSET;
556 int header_insert_maxlen = 64 * 1024;
557 header_line *header_last = NULL;
558 header_line *header_list = NULL;
559 int header_maxsize = HEADER_MAXSIZE;
560 int header_line_maxsize = 0;
561
562 header_name header_names[] = {
563 { US"bcc", 3, TRUE, htype_bcc },
564 { US"cc", 2, TRUE, htype_cc },
565 { US"date", 4, TRUE, htype_date },
566 { US"delivery-date", 13, FALSE, htype_delivery_date },
567 { US"envelope-to", 11, FALSE, htype_envelope_to },
568 { US"from", 4, TRUE, htype_from },
569 { US"message-id", 10, TRUE, htype_id },
570 { US"received", 8, FALSE, htype_received },
571 { US"reply-to", 8, FALSE, htype_reply_to },
572 { US"return-path", 11, FALSE, htype_return_path },
573 { US"sender", 6, TRUE, htype_sender },
574 { US"subject", 7, FALSE, htype_subject },
575 { US"to", 2, TRUE, htype_to }
576 };
577
578 int header_names_size = sizeof(header_names)/sizeof(header_name);
579
580 BOOL header_rewritten = FALSE;
581 uschar *helo_accept_junk_hosts = NULL;
582 uschar *helo_allow_chars = US"";
583 uschar *helo_lookup_domains = US"@ : @[]";
584 uschar *helo_try_verify_hosts = NULL;
585 BOOL helo_verified = FALSE;
586 BOOL helo_verify_failed = FALSE;
587 uschar *helo_verify_hosts = NULL;
588 uschar *hex_digits = US"0123456789abcdef";
589 uschar *hold_domains = NULL;
590 BOOL host_checking = FALSE;
591 BOOL host_checking_callout = FALSE;
592 uschar *host_data = NULL;
593 BOOL host_find_failed_syntax= FALSE;
594 uschar *host_lookup = NULL;
595 BOOL host_lookup_deferred = FALSE;
596 BOOL host_lookup_failed = FALSE;
597 uschar *host_lookup_order = US"bydns:byaddr";
598 uschar *host_lookup_msg = US"";
599 int host_number = 0;
600 uschar *host_number_string = NULL;
601 uschar *host_reject_connection = NULL;
602 tree_node *hostlist_anchor = NULL;
603 int hostlist_count = 0;
604 uschar *hosts_treat_as_local = NULL;
605 uschar *hosts_connection_nolog = NULL;
606
607 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
608 BOOL ignore_fromline_local = FALSE;
609 uschar *ignore_fromline_hosts = NULL;
610 uschar *interface_address = NULL;
611 int interface_port = -1;
612 BOOL is_inetd = FALSE;
613
614 int journal_fd = -1;
615
616 int keep_malformed = 4*24*60*60; /* 4 days */
617
618 uschar *eldap_dn = NULL;
619 int load_average = -2;
620 BOOL local_error_message = FALSE;
621 BOOL local_from_check = TRUE;
622 uschar *local_from_prefix = NULL;
623 uschar *local_from_suffix = NULL;
624
625 #if HAVE_IPV6
626 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
627 #else
628 uschar *local_interfaces = US"0.0.0.0";
629 #endif
630
631 uschar *local_scan_data = NULL;
632 int local_scan_timeout = 5*60;
633 BOOL local_sender_retain = FALSE;
634 gid_t local_user_gid = (gid_t)(-1);
635 uid_t local_user_uid = (uid_t)(-1);
636
637 tree_node *localpartlist_anchor= NULL;
638 int localpartlist_count = 0;
639 uschar *log_buffer = NULL;
640 unsigned int log_extra_selector = LX_default;
641 uschar *log_file_path = US LOG_FILE_PATH
642 "\0<--------------Space to patch log_file_path->";
643
644 /* Those log options with L_xxx identifiers have values less than 0x800000 and
645 are the ones that get put into log_write_selector. They can be used in calls to
646 log_write() to test for the bit. The options with LX_xxx identifiers have
647 values greater than 0x80000000 and are put int log_extra_selector (without the
648 top bit). They are never used in calls to log_write(), but are tested
649 independently. This separation became necessary when the number of log
650 selectors was getting close to filling a 32-bit word. */
651
652 bit_table log_options[] = {
653 { US"acl_warn_skipped", LX_acl_warn_skipped },
654 { US"address_rewrite", L_address_rewrite },
655 { US"all", L_all },
656 { US"all_parents", L_all_parents },
657 { US"arguments", LX_arguments },
658 { US"connection_reject", L_connection_reject },
659 { US"delay_delivery", L_delay_delivery },
660 { US"deliver_time", LX_deliver_time },
661 { US"delivery_size", LX_delivery_size },
662 { US"dnslist_defer", L_dnslist_defer },
663 { US"etrn", L_etrn },
664 { US"host_lookup_failed", L_host_lookup_failed },
665 { US"ident_timeout", LX_ident_timeout },
666 { US"incoming_interface", LX_incoming_interface },
667 { US"incoming_port", LX_incoming_port },
668 { US"lost_incoming_connection", L_lost_incoming_connection },
669 { US"outgoing_port", LX_outgoing_port },
670 { US"queue_run", L_queue_run },
671 { US"queue_time", LX_queue_time },
672 { US"queue_time_overall", LX_queue_time_overall },
673 { US"received_recipients", LX_received_recipients },
674 { US"received_sender", LX_received_sender },
675 { US"rejected_header", LX_rejected_header },
676 { US"rejected_headers", LX_rejected_header },
677 { US"retry_defer", L_retry_defer },
678 { US"return_path_on_delivery", LX_return_path_on_delivery },
679 { US"sender_on_delivery", LX_sender_on_delivery },
680 { US"sender_verify_fail", LX_sender_verify_fail },
681 { US"size_reject", L_size_reject },
682 { US"skip_delivery", L_skip_delivery },
683 { US"smtp_confirmation", LX_smtp_confirmation },
684 { US"smtp_connection", L_smtp_connection },
685 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
686 { US"smtp_protocol_error", L_smtp_protocol_error },
687 { US"smtp_syntax_error", L_smtp_syntax_error },
688 { US"subject", LX_subject },
689 { US"tls_certificate_verified", LX_tls_certificate_verified },
690 { US"tls_cipher", LX_tls_cipher },
691 { US"tls_peerdn", LX_tls_peerdn },
692 { US"unknown_in_list", LX_unknown_in_list }
693 };
694
695 int log_options_count = sizeof(log_options)/sizeof(bit_table);
696 unsigned int log_write_selector= L_default;
697 uschar *log_selector_string = NULL;
698 FILE *log_stderr = NULL;
699 BOOL log_testing_mode = FALSE;
700 BOOL log_timezone = FALSE;
701 uschar *login_sender_address = NULL;
702 int lookup_open_max = 25;
703 uschar *lookup_value = NULL;
704
705 macro_item *macros = NULL;
706 uschar *mailstore_basename = NULL;
707 #ifdef WITH_CONTENT_SCAN
708 uschar *malware_name = NULL; /* Virus Name */
709 #endif
710 int max_username_length = 0;
711 int message_age = 0;
712 uschar *message_body = NULL;
713 uschar *message_body_end = NULL;
714 int message_body_size = 0;
715 int message_body_visible = 500;
716 int message_ended = END_NOTSTARTED;
717 uschar *message_headers = NULL;
718 uschar *message_id;
719 uschar *message_id_domain = NULL;
720 uschar *message_id_text = NULL;
721 struct timeval message_id_tv = { 0, 0 };
722 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
723 uschar *message_id_external;
724 int message_linecount = 0;
725 BOOL message_logs = TRUE;
726 int message_size = 0;
727 uschar *message_size_limit = US"50M";
728 uschar message_subdir[2] = { 0, 0 };
729 uschar *message_reference = NULL;
730
731 /* MIME ACL expandables */
732 #ifdef WITH_CONTENT_SCAN
733 int mime_anomaly_level = 0;
734 uschar *mime_anomaly_text = NULL;
735 uschar *mime_boundary = NULL;
736 uschar *mime_charset = NULL;
737 uschar *mime_content_description = NULL;
738 uschar *mime_content_disposition = NULL;
739 uschar *mime_content_id = NULL;
740 unsigned int mime_content_size = 0;
741 uschar *mime_content_transfer_encoding = NULL;
742 uschar *mime_content_type = NULL;
743 uschar *mime_decoded_filename = NULL;
744 uschar *mime_filename = NULL;
745 int mime_is_multipart = 0;
746 int mime_is_coverletter = 0;
747 int mime_is_rfc822 = 0;
748 int mime_part_count = -1;
749 #endif
750
751 BOOL mua_wrapper = FALSE;
752
753 uid_t *never_users = NULL;
754 #ifdef WITH_CONTENT_SCAN
755 BOOL no_mbox_unspool = FALSE;
756 #endif
757 BOOL no_multiline_responses = FALSE;
758
759 uid_t original_euid;
760 gid_t originator_gid;
761 uschar *originator_login = NULL;
762 uschar *originator_name = NULL;
763 uid_t originator_uid;
764 uschar *override_local_interfaces = NULL;
765 uschar *override_pid_file_path = NULL;
766
767 BOOL parse_allow_group = FALSE;
768 BOOL parse_found_group = FALSE;
769 uschar *percent_hack_domains = NULL;
770 uschar *pid_file_path = US PID_FILE_PATH
771 "\0<--------------Space to patch pid_file_path->";
772 uschar *pipelining_advertise_hosts = US"*";
773 BOOL preserve_message_logs = FALSE;
774 uschar *primary_hostname = NULL;
775 BOOL print_topbitchars = FALSE;
776 uschar process_info[PROCESS_INFO_SIZE];
777 uschar *process_log_path = NULL;
778 BOOL prod_requires_admin = TRUE;
779 uschar *prvscheck_address = NULL;
780 uschar *prvscheck_keynum = NULL;
781 uschar *prvscheck_result = NULL;
782
783
784 uschar *qualify_domain_recipient = NULL;
785 uschar *qualify_domain_sender = NULL;
786 BOOL queue_2stage = FALSE;
787 uschar *queue_domains = NULL;
788 int queue_interval = -1;
789 BOOL queue_list_requires_admin = TRUE;
790 BOOL queue_only = FALSE;
791 uschar *queue_only_file = NULL;
792 int queue_only_load = -1;
793 BOOL queue_only_override = TRUE;
794 BOOL queue_only_policy = FALSE;
795 BOOL queue_run_first_delivery = FALSE;
796 BOOL queue_run_force = FALSE;
797 BOOL queue_run_in_order = FALSE;
798 BOOL queue_run_local = FALSE;
799 int queue_run_max = 5;
800 pid_t queue_run_pid = (pid_t)0;
801 int queue_run_pipe = -1;
802 BOOL queue_running = FALSE;
803 BOOL queue_smtp = FALSE;
804 uschar *queue_smtp_domains = NULL;
805
806 unsigned int random_seed = 0;
807 tree_node *ratelimiters_cmd = NULL;
808 tree_node *ratelimiters_conn = NULL;
809 tree_node *ratelimiters_mail = NULL;
810 uschar *raw_active_hostname = NULL;
811 uschar *raw_sender = NULL;
812 uschar **raw_recipients = NULL;
813 int raw_recipients_count = 0;
814
815 int rcpt_count = 0;
816 int rcpt_fail_count = 0;
817 int rcpt_defer_count = 0;
818 gid_t real_gid;
819 uid_t real_uid;
820 BOOL really_exim = TRUE;
821 BOOL receive_call_bombout = FALSE;
822 int receive_linecount = 0;
823 int receive_messagecount = 0;
824 int receive_timeout = 0;
825 int received_count = 0;
826 uschar *received_for = NULL;
827
828 /* This is the default text for Received headers generated by Exim. The
829 date will be automatically added on the end. */
830
831 uschar *received_header_text = US
832 "Received: "
833 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
834 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
835 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
836 "by $primary_hostname "
837 "${if def:received_protocol {with $received_protocol}} "
838 #ifdef SUPPORT_TLS
839 "${if def:tls_cipher {($tls_cipher)\n\t}}"
840 #endif
841 "(Exim $version_number)\n\t"
842 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
843 "id $message_exim_id"
844 "${if def:received_for {\n\tfor $received_for}}"
845 "\0<---------------Space to patch received_header_text->";
846
847 int received_headers_max = 30;
848 uschar *received_protocol = NULL;
849 int received_time = 0;
850 uschar *recipient_data = NULL;
851 uschar *recipient_unqualified_hosts = NULL;
852 uschar *recipient_verify_failure = NULL;
853 int recipients_count = 0;
854 BOOL recipients_discarded = FALSE;
855 recipient_item *recipients_list = NULL;
856 int recipients_list_max = 0;
857 int recipients_max = 0;
858 BOOL recipients_max_reject = FALSE;
859 const pcre *regex_AUTH = NULL;
860 const pcre *regex_check_dns_names = NULL;
861 const pcre *regex_From = NULL;
862 const pcre *regex_IGNOREQUOTA = NULL;
863 const pcre *regex_PIPELINING = NULL;
864 const pcre *regex_SIZE = NULL;
865 const pcre *regex_ismsgid = NULL;
866 #ifdef WITH_CONTENT_SCAN
867 uschar *regex_match_string = NULL;
868 #endif
869 int remote_delivery_count = 0;
870 int remote_max_parallel = 2;
871 uschar *remote_sort_domains = NULL;
872 int retry_data_expire = 7*24*60*60;
873 int retry_interval_max = 24*60*60;
874 int retry_maximum_timeout = 0; /* set from retry config */
875 retry_config *retries = NULL;
876 uschar *return_path = NULL;
877 BOOL return_path_remove = TRUE;
878 int rewrite_existflags = 0;
879 uschar *rfc1413_hosts = US"*";
880 int rfc1413_query_timeout = 5;
881 /* BOOL rfc821_domains = FALSE; <<< on the way out */
882 uid_t root_uid = ROOT_UID;
883
884 router_instance *routers = NULL;
885 router_instance router_defaults = {
886 NULL, /* chain pointer */
887 NULL, /* name */
888 NULL, /* info */
889 NULL, /* private options block pointer */
890 NULL, /* driver name */
891
892 NULL, /* address_data */
893 #ifdef EXPERIMENTAL_BRIGHTMAIL
894 NULL, /* bmi_rule */
895 #endif
896 NULL, /* cannot_route_message */
897 NULL, /* condition */
898 NULL, /* current_directory */
899 NULL, /* debug_string */
900 NULL, /* domains */
901 NULL, /* errors_to */
902 NULL, /* expand_gid */
903 NULL, /* expand_uid */
904 NULL, /* expand_more */
905 NULL, /* expand_unseen */
906 NULL, /* extra_headers */
907 NULL, /* fallback_hosts */
908 NULL, /* home_directory */
909 NULL, /* ignore_target_hosts */
910 NULL, /* local_parts */
911 NULL, /* pass_router_name */
912 NULL, /* prefix */
913 NULL, /* redirect_router_name */
914 NULL, /* remove_headers */
915 NULL, /* require_files */
916 NULL, /* router_home_directory */
917 US"freeze", /* self */
918 NULL, /* senders */
919 NULL, /* suffix */
920 NULL, /* translate_ip_address */
921 NULL, /* transport_name */
922
923 TRUE, /* address_test */
924 #ifdef EXPERIMENTAL_BRIGHTMAIL
925 FALSE, /* bmi_deliver_alternate */
926 FALSE, /* bmi_deliver_default */
927 FALSE, /* bmi_dont_deliver */
928 #endif
929 TRUE, /* expn */
930 FALSE, /* caseful_local_part */
931 FALSE, /* check_local_user */
932 FALSE, /* disable_logging */
933 FALSE, /* fail_verify_recipient */
934 FALSE, /* fail_verify_sender */
935 FALSE, /* gid_set */
936 FALSE, /* initgroups */
937 TRUE_UNSET, /* log_as_local */
938 TRUE, /* more */
939 FALSE, /* pass_on_timeout */
940 FALSE, /* prefix_optional */
941 TRUE, /* repeat_use */
942 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
943 FALSE, /* same_domain_copy_routing */
944 FALSE, /* self_rewrite */
945 FALSE, /* suffix_optional */
946 FALSE, /* verify_only */
947 TRUE, /* verify_recipient */
948 TRUE, /* verify_sender */
949 FALSE, /* uid_set */
950 FALSE, /* unseen */
951
952 self_freeze, /* self_code */
953 (uid_t)(-1), /* uid */
954 (gid_t)(-1), /* gid */
955
956 NULL, /* fallback_hostlist */
957 NULL, /* transport instance */
958 NULL, /* pass_router */
959 NULL /* redirect_router */
960 };
961
962 ip_address_item *running_interfaces = NULL;
963 BOOL running_in_test_harness = FALSE;
964
965 /* This is a weird one. The following string gets patched in the binary by the
966 script that sets up a copy of Exim for running in the test harness. It seems
967 that compilers are now clever, and share constant strings if they can.
968 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
969 make use of the end of this string in order to save space. So the patching then
970 wrecks this. We default this optimization by adding some additional characters
971 onto the end of the string. */
972
973 uschar *running_status = US">>>running<<<" "\0EXTRA";
974
975 int runrc = 0;
976
977 uschar *search_error_message = NULL;
978 BOOL search_find_defer = FALSE;
979 uschar *self_hostname = NULL;
980 uschar *sender_address = NULL;
981 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
982 uschar *sender_address_data = NULL;
983 BOOL sender_address_forced = FALSE;
984 uschar *sender_address_unrewritten = NULL;
985 uschar *sender_data = NULL;
986 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
987 uschar *sender_fullhost = NULL;
988 uschar *sender_helo_name = NULL;
989 uschar **sender_host_aliases = &no_aliases;
990 uschar *sender_host_address = NULL;
991 uschar *sender_host_authenticated = NULL;
992 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
993 uschar *sender_host_name = NULL;
994 int sender_host_port = 0;
995 BOOL sender_host_notsocket = FALSE;
996 BOOL sender_host_unknown = FALSE;
997 uschar *sender_ident = NULL;
998 BOOL sender_local = FALSE;
999 BOOL sender_name_forced = FALSE;
1000 uschar *sender_rate = NULL;
1001 uschar *sender_rate_limit = NULL;
1002 uschar *sender_rate_period = NULL;
1003 uschar *sender_rcvhost = NULL;
1004 BOOL sender_set_untrusted = FALSE;
1005 uschar *sender_unqualified_hosts = NULL;
1006 uschar *sender_verify_failure = NULL;
1007 address_item *sender_verified_list = NULL;
1008 address_item *sender_verified_failed = NULL;
1009 int sender_verified_rc = -1;
1010 BOOL sender_verified_responded = FALSE;
1011 volatile BOOL sigalrm_seen = FALSE;
1012 uschar **sighup_argv = NULL;
1013 int smtp_accept_count = 0;
1014 BOOL smtp_accept_keepalive = TRUE;
1015 int smtp_accept_max = 20;
1016 int smtp_accept_max_nonmail= 10;
1017 uschar *smtp_accept_max_nonmail_hosts = US"*";
1018 int smtp_accept_max_per_connection = 1000;
1019 uschar *smtp_accept_max_per_host = NULL;
1020 int smtp_accept_queue = 0;
1021 int smtp_accept_queue_per_connection = 10;
1022 int smtp_accept_reserve = 0;
1023 uschar *smtp_active_hostname = NULL;
1024 BOOL smtp_authenticated = FALSE;
1025 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1026 "Exim $version_number $tod_full"
1027 "\0<---------------Space to patch smtp_banner->";
1028 BOOL smtp_batched_input = FALSE;
1029 BOOL smtp_check_spool_space = TRUE;
1030 uschar *smtp_cmd_argument = NULL;
1031 uschar *smtp_cmd_buffer = NULL;
1032 int smtp_connect_backlog = 20;
1033 double smtp_delay_mail = 0.0;
1034 double smtp_delay_rcpt = 0.0;
1035 BOOL smtp_enforce_sync = TRUE;
1036 FILE *smtp_in = NULL;
1037 BOOL smtp_input = FALSE;
1038 int smtp_load_reserve = -1;
1039 int smtp_mailcmd_count = 0;
1040 FILE *smtp_out = NULL;
1041 uschar *smtp_etrn_command = NULL;
1042 BOOL smtp_etrn_serialize = TRUE;
1043 int smtp_max_synprot_errors= 3;
1044 int smtp_max_unknown_commands = 3;
1045 uschar *smtp_ratelimit_hosts = NULL;
1046 uschar *smtp_ratelimit_mail = NULL;
1047 uschar *smtp_ratelimit_rcpt = NULL;
1048 uschar *smtp_read_error = US"";
1049 int smtp_receive_timeout = 5*60;
1050 uschar *smtp_reserve_hosts = NULL;
1051 BOOL smtp_return_error_details = FALSE;
1052 int smtp_rlm_base = 0;
1053 double smtp_rlm_factor = 0.0;
1054 int smtp_rlm_limit = 0;
1055 int smtp_rlm_threshold = INT_MAX;
1056 int smtp_rlr_base = 0;
1057 double smtp_rlr_factor = 0.0;
1058 int smtp_rlr_limit = 0;
1059 int smtp_rlr_threshold = INT_MAX;
1060 BOOL smtp_use_pipelining = FALSE;
1061 BOOL smtp_use_size = FALSE;
1062
1063 #ifdef WITH_CONTENT_SCAN
1064 uschar *spamd_address = US"127.0.0.1 783";
1065 uschar *spam_bar = NULL;
1066 uschar *spam_report = NULL;
1067 uschar *spam_score = NULL;
1068 uschar *spam_score_int = NULL;
1069 #endif
1070 #ifdef EXPERIMENTAL_SPF
1071 uschar *spf_header_comment = NULL;
1072 uschar *spf_received = NULL;
1073 uschar *spf_result = NULL;
1074 uschar *spf_smtp_comment = NULL;
1075 #endif
1076
1077 BOOL split_spool_directory = FALSE;
1078 uschar *spool_directory = US SPOOL_DIRECTORY
1079 "\0<--------------Space to patch spool_directory->";
1080 #ifdef EXPERIMENTAL_SRS
1081 uschar *srs_config = NULL;
1082 uschar *srs_db_address = NULL;
1083 uschar *srs_db_key = NULL;
1084 int srs_hashlength = 6;
1085 int srs_hashmin = -1;
1086 int srs_maxage = 31;
1087 uschar *srs_orig_recipient = NULL;
1088 uschar *srs_orig_sender = NULL;
1089 uschar *srs_recipient = NULL;
1090 uschar *srs_secrets = NULL;
1091 uschar *srs_status = NULL;
1092 BOOL srs_usehash = TRUE;
1093 BOOL srs_usetimestamp = TRUE;
1094 #endif
1095 int string_datestamp_offset= -1;
1096 BOOL strip_excess_angle_brackets = FALSE;
1097 BOOL strip_trailing_dot = FALSE;
1098 uschar *submission_domain = NULL;
1099 BOOL submission_mode = FALSE;
1100 uschar *submission_name = NULL;
1101 BOOL suppress_local_fixups = FALSE;
1102 BOOL synchronous_delivery = FALSE;
1103 BOOL syslog_duplication = TRUE;
1104 int syslog_facility = LOG_MAIL;
1105 uschar *syslog_processname = US"exim";
1106 BOOL syslog_timestamp = TRUE;
1107 uschar *system_filter = NULL;
1108
1109 uschar *system_filter_directory_transport = NULL;
1110 uschar *system_filter_file_transport = NULL;
1111 uschar *system_filter_pipe_transport = NULL;
1112 uschar *system_filter_reply_transport = NULL;
1113
1114 gid_t system_filter_gid = 0;
1115 BOOL system_filter_gid_set = FALSE;
1116 uid_t system_filter_uid = 0;
1117 BOOL system_filter_uid_set = FALSE;
1118 BOOL system_filtering = FALSE;
1119
1120 BOOL tcp_nodelay = TRUE;
1121 int thismessage_size_limit = 0;
1122 int timeout_frozen_after = 0;
1123 BOOL timestamps_utc = FALSE;
1124
1125 transport_instance *transports = NULL;
1126
1127 transport_instance transport_defaults = {
1128 NULL, /* chain pointer */
1129 NULL, /* name */
1130 NULL, /* info */
1131 NULL, /* private options block pointer */
1132 NULL, /* driver name */
1133 NULL, /* setup entry point */
1134 1, /* batch_max */
1135 NULL, /* batch_id */
1136 NULL, /* home_dir */
1137 NULL, /* current_dir */
1138 TRUE, /* multi-domain */
1139 FALSE, /* overrides_hosts */
1140 100, /* max_addresses */
1141 500, /* connection_max_messages */
1142 FALSE, /* deliver_as_creator */
1143 FALSE, /* disable_logging */
1144 FALSE, /* initgroups */
1145 FALSE, /* uid_set */
1146 FALSE, /* gid_set */
1147 (uid_t)(-1), /* uid */
1148 (gid_t)(-1), /* gid */
1149 NULL, /* expand_uid */
1150 NULL, /* expand_gid */
1151 NULL, /* warn_message */
1152 NULL, /* shadow */
1153 NULL, /* shadow_condition */
1154 NULL, /* filter_command */
1155 NULL, /* add_headers */
1156 NULL, /* remove_headers */
1157 NULL, /* return_path */
1158 NULL, /* debug_string */
1159 NULL, /* message_size_limit */
1160 NULL, /* headers_rewrite */
1161 NULL, /* rewrite_rules */
1162 0, /* rewrite_existflags */
1163 300, /* filter_timeout */
1164 FALSE, /* body_only */
1165 FALSE, /* delivery_date_add */
1166 FALSE, /* envelope_to_add */
1167 FALSE, /* headers_only */
1168 FALSE, /* rcpt_include_affixes */
1169 FALSE, /* return_path_add */
1170 FALSE, /* return_output */
1171 FALSE, /* return_fail_output */
1172 FALSE, /* log_output */
1173 FALSE, /* log_fail_output */
1174 FALSE, /* log_defer_output */
1175 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1176 1 nor 0 so can detect unset */
1177 };
1178
1179 int transport_count;
1180 uschar **transport_filter_argv = NULL;
1181 int transport_filter_timeout;
1182 BOOL transport_filter_timed_out = FALSE;
1183 int transport_write_timeout= 0;
1184
1185 tree_node *tree_dns_fails = NULL;
1186 tree_node *tree_duplicates = NULL;
1187 tree_node *tree_nonrecipients = NULL;
1188 tree_node *tree_unusable = NULL;
1189
1190 BOOL trusted_caller = FALSE;
1191 gid_t *trusted_groups = NULL;
1192 uid_t *trusted_users = NULL;
1193 uschar *timezone_string = US TIMEZONE_DEFAULT;
1194
1195 uschar *unknown_login = NULL;
1196 uschar *unknown_username = NULL;
1197 uschar *untrusted_set_sender = NULL;
1198
1199 /* A regex for matching a "From_" line in an incoming message, in the form
1200
1201 From ph10 Fri Jan 5 12:35 GMT 1996
1202
1203 which the "mail" commands send to the MTA (undocumented, of course), or in
1204 the form
1205
1206 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1207
1208 which is apparently used by some UUCPs, despite it not being in RFC 976.
1209 Because of variations in time formats, just match up to the minutes. That
1210 should be sufficient. Examples have been seen of time fields like 12:1:03,
1211 so just require one digit for hours and minutes. The weekday is also absent
1212 in some forms. */
1213
1214 uschar *uucp_from_pattern = US
1215 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1216 "(?:" /* Non-extracting bracket */
1217 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1218 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1219 ")" /* End alternation */
1220 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1221
1222 uschar *uucp_from_sender = US"$1";
1223
1224 uschar *warn_message_file = NULL;
1225 uschar *warnmsg_delay = NULL;
1226 uschar *warnmsg_recipients = NULL;
1227 BOOL write_rejectlog = TRUE;
1228
1229 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1230 uschar *version_date = US"?";
1231 uschar *version_cnumber = US"????";
1232 uschar *version_string = US"?";
1233
1234 int warning_count = 0;
1235
1236 /* End of globals.c */