9d2feb76eca2382f81419e687ec4d42c7a79e89f
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.42 2005/11/15 10:08:25 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 BOOL check_rfc2047_length = TRUE;
376 int check_spool_inodes = 0;
377 int check_spool_space = 0;
378 int clmacro_count = 0;
379 uschar *clmacros[MAX_CLMACROS];
380 BOOL config_changed = FALSE;
381 FILE *config_file = NULL;
382 uschar *config_filename = NULL;
383 int config_lineno = 0;
384 #ifdef CONFIGURE_GROUP
385 gid_t config_gid = CONFIGURE_GROUP;
386 #endif
387 uschar *config_main_filelist = US CONFIGURE_FILE
388 "\0<-----------Space to patch configure_filename->";
389 uschar *config_main_filename = NULL;
390
391 #ifdef CONFIGURE_OWNER
392 uid_t config_uid = CONFIGURE_OWNER;
393 #endif
394
395 int connection_max_messages= -1;
396 uschar *continue_hostname = NULL;
397 uschar *continue_host_address = NULL;
398 BOOL continue_more = FALSE;
399 int continue_sequence = 1;
400 uschar *continue_transport = NULL;
401
402 uschar *csa_status = NULL;
403
404 BOOL daemon_listen = FALSE;
405 uschar *daemon_smtp_port = US"smtp";
406 int daemon_startup_retries = 9;
407 int daemon_startup_sleep = 30;
408 BOOL debug_daemon = FALSE;
409 int debug_fd = -1;
410 FILE *debug_file = NULL;
411 bit_table debug_options[] = {
412 { US"acl", D_acl },
413 { US"all", D_all },
414 { US"auth", D_auth },
415 { US"deliver", D_deliver },
416 { US"dns", D_dns },
417 { US"dnsbl", D_dnsbl },
418 { US"exec", D_exec },
419 { US"expand", D_expand },
420 { US"filter", D_filter },
421 { US"hints_lookup", D_hints_lookup },
422 { US"host_lookup", D_host_lookup },
423 { US"ident", D_ident },
424 { US"interface", D_interface },
425 { US"lists", D_lists },
426 { US"load", D_load },
427 { US"local_scan", D_local_scan },
428 { US"lookup", D_lookup },
429 { US"memory", D_memory },
430 { US"pid", D_pid },
431 { US"process_info", D_process_info },
432 { US"queue_run", D_queue_run },
433 { US"receive", D_receive },
434 { US"resolver", D_resolver },
435 { US"retry", D_retry },
436 { US"rewrite", D_rewrite },
437 { US"route", D_route },
438 { US"timestamp", D_timestamp },
439 { US"tls", D_tls },
440 { US"transport", D_transport },
441 { US"uid", D_uid },
442 { US"verify", D_verify }
443 };
444 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
445 unsigned int debug_selector = 0;
446 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
447 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
448 BOOL delivery_date_remove = TRUE;
449 uschar *deliver_address_data = NULL;
450 int deliver_datafile = -1;
451 uschar *deliver_domain = NULL;
452 uschar *deliver_domain_data = NULL;
453 uschar *deliver_domain_orig = NULL;
454 uschar *deliver_domain_parent = NULL;
455 BOOL deliver_drop_privilege = FALSE;
456 BOOL deliver_firsttime = FALSE;
457 BOOL deliver_force = FALSE;
458 BOOL deliver_freeze = FALSE;
459 int deliver_frozen_at = 0;
460 uschar *deliver_home = NULL;
461 uschar *deliver_host = NULL;
462 uschar *deliver_host_address = NULL;
463 uschar *deliver_in_buffer = NULL;
464 ino_t deliver_inode = 0;
465 uschar *deliver_localpart = NULL;
466 uschar *deliver_localpart_data = NULL;
467 uschar *deliver_localpart_orig = NULL;
468 uschar *deliver_localpart_parent = NULL;
469 uschar *deliver_localpart_prefix = NULL;
470 uschar *deliver_localpart_suffix = NULL;
471 BOOL deliver_force_thaw = FALSE;
472 BOOL deliver_manual_thaw = FALSE;
473 uschar *deliver_out_buffer = NULL;
474 int deliver_queue_load_max = -1;
475 address_item *deliver_recipients = NULL;
476 uschar *deliver_selectstring = NULL;
477 BOOL deliver_selectstring_regex = FALSE;
478 uschar *deliver_selectstring_sender = NULL;
479 BOOL deliver_selectstring_sender_regex = FALSE;
480 #ifdef WITH_OLD_DEMIME
481 int demime_errorlevel = 0;
482 int demime_ok = 0;
483 uschar *demime_reason = NULL;
484 #endif
485 BOOL disable_logging = FALSE;
486
487 #ifdef EXPERIMENTAL_DOMAINKEYS
488 uschar *dk_signing_domain = NULL;
489 uschar *dk_signing_selector = NULL;
490 int dk_do_verify = 0;
491 #endif
492
493 uschar *dns_again_means_nonexist = NULL;
494 int dns_csa_search_limit = 5;
495 BOOL dns_csa_use_reverse = TRUE;
496 uschar *dns_ipv4_lookup = NULL;
497 int dns_retrans = 0;
498 int dns_retry = 0;
499 uschar *dnslist_domain = NULL;
500 uschar *dnslist_text = NULL;
501 uschar *dnslist_value = NULL;
502 tree_node *domainlist_anchor = NULL;
503 int domainlist_count = 0;
504 BOOL dont_deliver = FALSE;
505 BOOL dot_ends = TRUE;
506 BOOL drop_cr = FALSE; /* No longer used */
507
508 BOOL enable_dollar_recipients = FALSE;
509 BOOL envelope_to_remove = TRUE;
510 int errno_quota = ERRNO_QUOTA;
511 uschar *errors_copy = NULL;
512 int error_handling = ERRORS_SENDER;
513 uschar *errors_reply_to = NULL;
514 int errors_sender_rc = EXIT_FAILURE;
515
516 gid_t exim_gid = EXIM_GID;
517 BOOL exim_gid_set = TRUE; /* This gid is always set */
518 uschar *exim_path = US BIN_DIRECTORY "/exim"
519 "\0<---------------Space to patch exim_path->";
520 uid_t exim_uid = EXIM_UID;
521 BOOL exim_uid_set = TRUE; /* This uid is always set */
522 int expand_forbid = 0;
523 int expand_nlength[EXPAND_MAXN+1];
524 int expand_nmax = -1;
525 uschar *expand_nstring[EXPAND_MAXN+1];
526 BOOL expand_string_forcedfail = FALSE;
527 uschar *expand_string_message;
528 BOOL extract_addresses_remove_arguments = TRUE;
529 uschar *extra_local_interfaces = NULL;
530
531 int fake_response = OK;
532 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).";
533 int filter_n[FILTER_VARIABLE_COUNT];
534 BOOL filter_running = FALSE;
535 int filter_sn[FILTER_VARIABLE_COUNT];
536 int filter_test = FTEST_NONE;
537 uschar *filter_test_sfile = NULL;
538 uschar *filter_test_ufile = NULL;
539 uschar *filter_thisaddress = NULL;
540 int finduser_retries = 0;
541 #ifdef WITH_OLD_DEMIME
542 uschar *found_extension = NULL;
543 #endif
544 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
545 uschar *freeze_tell = NULL;
546 uschar *fudged_queue_times = US"";
547
548 uschar *gecos_name = NULL;
549 uschar *gecos_pattern = NULL;
550 rewrite_rule *global_rewrite_rules = NULL;
551
552 uschar *headers_charset = US HEADERS_CHARSET;
553 int header_insert_maxlen = 64 * 1024;
554 header_line *header_last = NULL;
555 header_line *header_list = NULL;
556 int header_maxsize = HEADER_MAXSIZE;
557 int header_line_maxsize = 0;
558
559 header_name header_names[] = {
560 { US"bcc", 3, TRUE, htype_bcc },
561 { US"cc", 2, TRUE, htype_cc },
562 { US"date", 4, TRUE, htype_date },
563 { US"delivery-date", 13, FALSE, htype_delivery_date },
564 { US"envelope-to", 11, FALSE, htype_envelope_to },
565 { US"from", 4, TRUE, htype_from },
566 { US"message-id", 10, TRUE, htype_id },
567 { US"received", 8, FALSE, htype_received },
568 { US"reply-to", 8, FALSE, htype_reply_to },
569 { US"return-path", 11, FALSE, htype_return_path },
570 { US"sender", 6, TRUE, htype_sender },
571 { US"subject", 7, FALSE, htype_subject },
572 { US"to", 2, TRUE, htype_to }
573 };
574
575 int header_names_size = sizeof(header_names)/sizeof(header_name);
576
577 BOOL header_rewritten = FALSE;
578 uschar *helo_accept_junk_hosts = NULL;
579 uschar *helo_allow_chars = US"";
580 uschar *helo_lookup_domains = US"@ : @[]";
581 uschar *helo_try_verify_hosts = NULL;
582 BOOL helo_verified = FALSE;
583 BOOL helo_verify_failed = FALSE;
584 uschar *helo_verify_hosts = NULL;
585 uschar *hex_digits = US"0123456789abcdef";
586 uschar *hold_domains = NULL;
587 BOOL host_checking = FALSE;
588 BOOL host_checking_callout = FALSE;
589 uschar *host_data = NULL;
590 BOOL host_find_failed_syntax= FALSE;
591 uschar *host_lookup = NULL;
592 BOOL host_lookup_deferred = FALSE;
593 BOOL host_lookup_failed = FALSE;
594 uschar *host_lookup_order = US"bydns:byaddr";
595 uschar *host_lookup_msg = US"";
596 int host_number = 0;
597 uschar *host_number_string = NULL;
598 uschar *host_reject_connection = NULL;
599 tree_node *hostlist_anchor = NULL;
600 int hostlist_count = 0;
601 uschar *hosts_treat_as_local = NULL;
602 uschar *hosts_connection_nolog = NULL;
603
604 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
605 BOOL ignore_fromline_local = FALSE;
606 uschar *ignore_fromline_hosts = NULL;
607 uschar *interface_address = NULL;
608 int interface_port = -1;
609 BOOL is_inetd = FALSE;
610
611 int journal_fd = -1;
612
613 int keep_malformed = 4*24*60*60; /* 4 days */
614
615 uschar *eldap_dn = NULL;
616 int load_average = -2;
617 BOOL local_error_message = FALSE;
618 BOOL local_from_check = TRUE;
619 uschar *local_from_prefix = NULL;
620 uschar *local_from_suffix = NULL;
621
622 #if HAVE_IPV6
623 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
624 #else
625 uschar *local_interfaces = US"0.0.0.0";
626 #endif
627
628 uschar *local_scan_data = NULL;
629 int local_scan_timeout = 5*60;
630 BOOL local_sender_retain = FALSE;
631 gid_t local_user_gid = (gid_t)(-1);
632 uid_t local_user_uid = (uid_t)(-1);
633
634 tree_node *localpartlist_anchor= NULL;
635 int localpartlist_count = 0;
636 uschar *log_buffer = NULL;
637 unsigned int log_extra_selector = LX_default;
638 uschar *log_file_path = US LOG_FILE_PATH
639 "\0<--------------Space to patch log_file_path->";
640
641 /* Those log options with L_xxx identifiers have values less than 0x800000 and
642 are the ones that get put into log_write_selector. They can be used in calls to
643 log_write() to test for the bit. The options with LX_xxx identifiers have
644 values greater than 0x80000000 and are put int log_extra_selector (without the
645 top bit). They are never used in calls to log_write(), but are tested
646 independently. This separation became necessary when the number of log
647 selectors was getting close to filling a 32-bit word. */
648
649 bit_table log_options[] = {
650 { US"acl_warn_skipped", LX_acl_warn_skipped },
651 { US"address_rewrite", L_address_rewrite },
652 { US"all", L_all },
653 { US"all_parents", L_all_parents },
654 { US"arguments", LX_arguments },
655 { US"connection_reject", L_connection_reject },
656 { US"delay_delivery", L_delay_delivery },
657 { US"deliver_time", LX_deliver_time },
658 { US"delivery_size", LX_delivery_size },
659 { US"dnslist_defer", L_dnslist_defer },
660 { US"etrn", L_etrn },
661 { US"host_lookup_failed", L_host_lookup_failed },
662 { US"ident_timeout", LX_ident_timeout },
663 { US"incoming_interface", LX_incoming_interface },
664 { US"incoming_port", LX_incoming_port },
665 { US"lost_incoming_connection", L_lost_incoming_connection },
666 { US"outgoing_port", LX_outgoing_port },
667 { US"queue_run", L_queue_run },
668 { US"queue_time", LX_queue_time },
669 { US"queue_time_overall", LX_queue_time_overall },
670 { US"received_recipients", LX_received_recipients },
671 { US"received_sender", LX_received_sender },
672 { US"rejected_header", LX_rejected_header },
673 { US"rejected_headers", LX_rejected_header },
674 { US"retry_defer", L_retry_defer },
675 { US"return_path_on_delivery", LX_return_path_on_delivery },
676 { US"sender_on_delivery", LX_sender_on_delivery },
677 { US"size_reject", L_size_reject },
678 { US"skip_delivery", L_skip_delivery },
679 { US"smtp_confirmation", LX_smtp_confirmation },
680 { US"smtp_connection", L_smtp_connection },
681 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
682 { US"smtp_protocol_error", L_smtp_protocol_error },
683 { US"smtp_syntax_error", L_smtp_syntax_error },
684 { US"subject", LX_subject },
685 { US"tls_certificate_verified", LX_tls_certificate_verified },
686 { US"tls_cipher", LX_tls_cipher },
687 { US"tls_peerdn", LX_tls_peerdn },
688 { US"unknown_in_list", LX_unknown_in_list }
689 };
690
691 int log_options_count = sizeof(log_options)/sizeof(bit_table);
692 unsigned int log_write_selector= L_default;
693 uschar *log_selector_string = NULL;
694 FILE *log_stderr = NULL;
695 BOOL log_testing_mode = FALSE;
696 BOOL log_timezone = FALSE;
697 uschar *login_sender_address = NULL;
698 int lookup_open_max = 25;
699 uschar *lookup_value = NULL;
700
701 macro_item *macros = NULL;
702 uschar *mailstore_basename = NULL;
703 #ifdef WITH_CONTENT_SCAN
704 uschar *malware_name = NULL; /* Virus Name */
705 #endif
706 int max_username_length = 0;
707 int message_age = 0;
708 uschar *message_body = NULL;
709 uschar *message_body_end = NULL;
710 int message_body_size = 0;
711 int message_body_visible = 500;
712 int message_ended = END_NOTSTARTED;
713 uschar *message_headers = NULL;
714 uschar *message_id;
715 uschar *message_id_domain = NULL;
716 uschar *message_id_text = NULL;
717 struct timeval message_id_tv = { 0, 0 };
718 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
719 uschar *message_id_external;
720 int message_linecount = 0;
721 BOOL message_logs = TRUE;
722 int message_size = 0;
723 uschar *message_size_limit = US"50M";
724 uschar message_subdir[2] = { 0, 0 };
725 uschar *message_reference = NULL;
726
727 /* MIME ACL expandables */
728 #ifdef WITH_CONTENT_SCAN
729 int mime_anomaly_level = 0;
730 uschar *mime_anomaly_text = NULL;
731 uschar *mime_boundary = NULL;
732 uschar *mime_charset = NULL;
733 uschar *mime_content_description = NULL;
734 uschar *mime_content_disposition = NULL;
735 uschar *mime_content_id = NULL;
736 unsigned int mime_content_size = 0;
737 uschar *mime_content_transfer_encoding = NULL;
738 uschar *mime_content_type = NULL;
739 uschar *mime_decoded_filename = NULL;
740 uschar *mime_filename = NULL;
741 int mime_is_multipart = 0;
742 int mime_is_coverletter = 0;
743 int mime_is_rfc822 = 0;
744 int mime_part_count = -1;
745 #endif
746
747 BOOL mua_wrapper = FALSE;
748
749 uid_t *never_users = NULL;
750 #ifdef WITH_CONTENT_SCAN
751 BOOL no_mbox_unspool = FALSE;
752 #endif
753 BOOL no_multiline_responses = FALSE;
754
755 uid_t original_euid;
756 gid_t originator_gid;
757 uschar *originator_login = NULL;
758 uschar *originator_name = NULL;
759 uid_t originator_uid;
760 uschar *override_local_interfaces = NULL;
761 uschar *override_pid_file_path = NULL;
762
763 BOOL parse_allow_group = FALSE;
764 BOOL parse_found_group = FALSE;
765 uschar *percent_hack_domains = NULL;
766 uschar *pid_file_path = US PID_FILE_PATH
767 "\0<--------------Space to patch pid_file_path->";
768 uschar *pipelining_advertise_hosts = US"*";
769 BOOL preserve_message_logs = FALSE;
770 uschar *primary_hostname = NULL;
771 BOOL print_topbitchars = FALSE;
772 uschar process_info[PROCESS_INFO_SIZE];
773 uschar *process_log_path = NULL;
774 BOOL prod_requires_admin = TRUE;
775 uschar *prvscheck_address = NULL;
776 uschar *prvscheck_keynum = NULL;
777 uschar *prvscheck_result = NULL;
778
779
780 uschar *qualify_domain_recipient = NULL;
781 uschar *qualify_domain_sender = NULL;
782 BOOL queue_2stage = FALSE;
783 uschar *queue_domains = NULL;
784 int queue_interval = -1;
785 BOOL queue_list_requires_admin = TRUE;
786 BOOL queue_only = FALSE;
787 uschar *queue_only_file = NULL;
788 int queue_only_load = -1;
789 BOOL queue_only_override = TRUE;
790 BOOL queue_only_policy = FALSE;
791 BOOL queue_run_first_delivery = FALSE;
792 BOOL queue_run_force = FALSE;
793 BOOL queue_run_in_order = FALSE;
794 BOOL queue_run_local = FALSE;
795 int queue_run_max = 5;
796 pid_t queue_run_pid = (pid_t)0;
797 int queue_run_pipe = -1;
798 BOOL queue_running = FALSE;
799 BOOL queue_smtp = FALSE;
800 uschar *queue_smtp_domains = NULL;
801
802 unsigned int random_seed = 0;
803 tree_node *ratelimiters_cmd = NULL;
804 tree_node *ratelimiters_conn = NULL;
805 tree_node *ratelimiters_mail = NULL;
806 uschar *raw_active_hostname = NULL;
807 uschar *raw_sender = NULL;
808 uschar **raw_recipients = NULL;
809 int raw_recipients_count = 0;
810
811 int rcpt_count = 0;
812 int rcpt_fail_count = 0;
813 int rcpt_defer_count = 0;
814 gid_t real_gid;
815 uid_t real_uid;
816 BOOL really_exim = TRUE;
817 BOOL receive_call_bombout = FALSE;
818 int receive_linecount = 0;
819 int receive_messagecount = 0;
820 int receive_timeout = 0;
821 int received_count = 0;
822 uschar *received_for = NULL;
823
824 /* This is the default text for Received headers generated by Exim. The
825 date will be automatically added on the end. */
826
827 uschar *received_header_text = US
828 "Received: "
829 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
830 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
831 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
832 "by $primary_hostname "
833 "${if def:received_protocol {with $received_protocol}} "
834 #ifdef SUPPORT_TLS
835 "${if def:tls_cipher {($tls_cipher)\n\t}}"
836 #endif
837 "(Exim $version_number)\n\t"
838 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
839 "id $message_exim_id"
840 "${if def:received_for {\n\tfor $received_for}}"
841 "\0<---------------Space to patch received_header_text->";
842
843 int received_headers_max = 30;
844 uschar *received_protocol = NULL;
845 int received_time = 0;
846 uschar *recipient_data = NULL;
847 uschar *recipient_unqualified_hosts = NULL;
848 uschar *recipient_verify_failure = NULL;
849 int recipients_count = 0;
850 BOOL recipients_discarded = FALSE;
851 recipient_item *recipients_list = NULL;
852 int recipients_list_max = 0;
853 int recipients_max = 0;
854 BOOL recipients_max_reject = FALSE;
855 const pcre *regex_AUTH = NULL;
856 const pcre *regex_check_dns_names = NULL;
857 const pcre *regex_From = NULL;
858 const pcre *regex_IGNOREQUOTA = NULL;
859 const pcre *regex_PIPELINING = NULL;
860 const pcre *regex_SIZE = NULL;
861 const pcre *regex_ismsgid = NULL;
862 #ifdef WITH_CONTENT_SCAN
863 uschar *regex_match_string = NULL;
864 #endif
865 int remote_delivery_count = 0;
866 int remote_max_parallel = 2;
867 uschar *remote_sort_domains = NULL;
868 int retry_data_expire = 7*24*60*60;
869 int retry_interval_max = 24*60*60;
870 int retry_maximum_timeout = 0; /* set from retry config */
871 retry_config *retries = NULL;
872 uschar *return_path = NULL;
873 BOOL return_path_remove = TRUE;
874 int rewrite_existflags = 0;
875 uschar *rfc1413_hosts = US"*";
876 int rfc1413_query_timeout = 30;
877 /* BOOL rfc821_domains = FALSE; <<< on the way out */
878 uid_t root_uid = ROOT_UID;
879
880 router_instance *routers = NULL;
881 router_instance router_defaults = {
882 NULL, /* chain pointer */
883 NULL, /* name */
884 NULL, /* info */
885 NULL, /* private options block pointer */
886 NULL, /* driver name */
887
888 NULL, /* address_data */
889 #ifdef EXPERIMENTAL_BRIGHTMAIL
890 NULL, /* bmi_rule */
891 #endif
892 NULL, /* cannot_route_message */
893 NULL, /* condition */
894 NULL, /* current_directory */
895 NULL, /* debug_string */
896 NULL, /* domains */
897 NULL, /* errors_to */
898 NULL, /* expand_gid */
899 NULL, /* expand_uid */
900 NULL, /* expand_more */
901 NULL, /* expand_unseen */
902 NULL, /* extra_headers */
903 NULL, /* fallback_hosts */
904 NULL, /* home_directory */
905 NULL, /* ignore_target_hosts */
906 NULL, /* local_parts */
907 NULL, /* pass_router_name */
908 NULL, /* prefix */
909 NULL, /* redirect_router_name */
910 NULL, /* remove_headers */
911 NULL, /* require_files */
912 NULL, /* router_home_directory */
913 US"freeze", /* self */
914 NULL, /* senders */
915 NULL, /* suffix */
916 NULL, /* translate_ip_address */
917 NULL, /* transport_name */
918
919 TRUE, /* address_test */
920 #ifdef EXPERIMENTAL_BRIGHTMAIL
921 FALSE, /* bmi_deliver_alternate */
922 FALSE, /* bmi_deliver_default */
923 FALSE, /* bmi_dont_deliver */
924 #endif
925 TRUE, /* expn */
926 FALSE, /* caseful_local_part */
927 FALSE, /* check_local_user */
928 FALSE, /* disable_logging */
929 FALSE, /* fail_verify_recipient */
930 FALSE, /* fail_verify_sender */
931 FALSE, /* gid_set */
932 FALSE, /* initgroups */
933 TRUE_UNSET, /* log_as_local */
934 TRUE, /* more */
935 FALSE, /* pass_on_timeout */
936 FALSE, /* prefix_optional */
937 TRUE, /* repeat_use */
938 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
939 FALSE, /* same_domain_copy_routing */
940 FALSE, /* self_rewrite */
941 FALSE, /* suffix_optional */
942 FALSE, /* verify_only */
943 TRUE, /* verify_recipient */
944 TRUE, /* verify_sender */
945 FALSE, /* uid_set */
946 FALSE, /* unseen */
947
948 self_freeze, /* self_code */
949 (uid_t)(-1), /* uid */
950 (gid_t)(-1), /* gid */
951
952 NULL, /* fallback_hostlist */
953 NULL, /* transport instance */
954 NULL, /* pass_router */
955 NULL /* redirect_router */
956 };
957
958 ip_address_item *running_interfaces = NULL;
959 BOOL running_in_test_harness = FALSE;
960
961 /* This is a weird one. The following string gets patched in the binary by the
962 script that sets up a copy of Exim for running in the test harness. It seems
963 that compilers are now clever, and share constant strings if they can.
964 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
965 make use of the end of this string in order to save space. So the patching then
966 wrecks this. We default this optimization by adding some additional characters
967 onto the end of the string. */
968
969 uschar *running_status = US">>>running<<<" "\0EXTRA";
970
971 int runrc = 0;
972
973 uschar *search_error_message = NULL;
974 BOOL search_find_defer = FALSE;
975 uschar *self_hostname = NULL;
976 uschar *sender_address = NULL;
977 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
978 uschar *sender_address_data = NULL;
979 BOOL sender_address_forced = FALSE;
980 uschar *sender_address_unrewritten = NULL;
981 uschar *sender_data = NULL;
982 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
983 uschar *sender_fullhost = NULL;
984 uschar *sender_helo_name = NULL;
985 uschar **sender_host_aliases = &no_aliases;
986 uschar *sender_host_address = NULL;
987 uschar *sender_host_authenticated = NULL;
988 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
989 uschar *sender_host_name = NULL;
990 int sender_host_port = 0;
991 BOOL sender_host_notsocket = FALSE;
992 BOOL sender_host_unknown = FALSE;
993 uschar *sender_ident = NULL;
994 BOOL sender_local = FALSE;
995 BOOL sender_name_forced = FALSE;
996 uschar *sender_rate = NULL;
997 uschar *sender_rate_limit = NULL;
998 uschar *sender_rate_period = NULL;
999 uschar *sender_rcvhost = NULL;
1000 BOOL sender_set_untrusted = FALSE;
1001 uschar *sender_unqualified_hosts = NULL;
1002 uschar *sender_verify_failure = NULL;
1003 address_item *sender_verified_list = NULL;
1004 address_item *sender_verified_failed = NULL;
1005 int sender_verified_rc = -1;
1006 BOOL sender_verified_responded = FALSE;
1007 volatile BOOL sigalrm_seen = FALSE;
1008 uschar **sighup_argv = NULL;
1009 int smtp_accept_count = 0;
1010 BOOL smtp_accept_keepalive = TRUE;
1011 int smtp_accept_max = 20;
1012 int smtp_accept_max_nonmail= 10;
1013 uschar *smtp_accept_max_nonmail_hosts = US"*";
1014 int smtp_accept_max_per_connection = 1000;
1015 uschar *smtp_accept_max_per_host = NULL;
1016 int smtp_accept_queue = 0;
1017 int smtp_accept_queue_per_connection = 10;
1018 int smtp_accept_reserve = 0;
1019 uschar *smtp_active_hostname = NULL;
1020 BOOL smtp_authenticated = FALSE;
1021 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1022 "Exim $version_number $tod_full"
1023 "\0<---------------Space to patch smtp_banner->";
1024 BOOL smtp_batched_input = FALSE;
1025 BOOL smtp_check_spool_space = TRUE;
1026 uschar *smtp_cmd_argument = NULL;
1027 uschar *smtp_cmd_buffer = NULL;
1028 int smtp_connect_backlog = 20;
1029 double smtp_delay_mail = 0.0;
1030 double smtp_delay_rcpt = 0.0;
1031 BOOL smtp_enforce_sync = TRUE;
1032 FILE *smtp_in = NULL;
1033 BOOL smtp_input = FALSE;
1034 int smtp_load_reserve = -1;
1035 int smtp_mailcmd_count = 0;
1036 FILE *smtp_out = NULL;
1037 uschar *smtp_etrn_command = NULL;
1038 BOOL smtp_etrn_serialize = TRUE;
1039 int smtp_max_synprot_errors= 3;
1040 int smtp_max_unknown_commands = 3;
1041 uschar *smtp_ratelimit_hosts = NULL;
1042 uschar *smtp_ratelimit_mail = NULL;
1043 uschar *smtp_ratelimit_rcpt = NULL;
1044 uschar *smtp_read_error = US"";
1045 int smtp_receive_timeout = 5*60;
1046 uschar *smtp_reserve_hosts = NULL;
1047 BOOL smtp_return_error_details = FALSE;
1048 int smtp_rlm_base = 0;
1049 double smtp_rlm_factor = 0.0;
1050 int smtp_rlm_limit = 0;
1051 int smtp_rlm_threshold = INT_MAX;
1052 int smtp_rlr_base = 0;
1053 double smtp_rlr_factor = 0.0;
1054 int smtp_rlr_limit = 0;
1055 int smtp_rlr_threshold = INT_MAX;
1056 BOOL smtp_use_pipelining = FALSE;
1057 BOOL smtp_use_size = FALSE;
1058
1059 #ifdef WITH_CONTENT_SCAN
1060 uschar *spamd_address = US"127.0.0.1 783";
1061 uschar *spam_bar = NULL;
1062 uschar *spam_report = NULL;
1063 uschar *spam_score = NULL;
1064 uschar *spam_score_int = NULL;
1065 #endif
1066 #ifdef EXPERIMENTAL_SPF
1067 uschar *spf_header_comment = NULL;
1068 uschar *spf_received = NULL;
1069 uschar *spf_result = NULL;
1070 uschar *spf_smtp_comment = NULL;
1071 #endif
1072
1073 BOOL split_spool_directory = FALSE;
1074 uschar *spool_directory = US SPOOL_DIRECTORY
1075 "\0<--------------Space to patch spool_directory->";
1076 #ifdef EXPERIMENTAL_SRS
1077 uschar *srs_config = NULL;
1078 uschar *srs_db_address = NULL;
1079 uschar *srs_db_key = NULL;
1080 int srs_hashlength = 6;
1081 int srs_hashmin = -1;
1082 int srs_maxage = 31;
1083 uschar *srs_orig_recipient = NULL;
1084 uschar *srs_orig_sender = NULL;
1085 uschar *srs_recipient = NULL;
1086 uschar *srs_secrets = NULL;
1087 uschar *srs_status = NULL;
1088 BOOL srs_usehash = TRUE;
1089 BOOL srs_usetimestamp = TRUE;
1090 #endif
1091 int string_datestamp_offset= -1;
1092 BOOL strip_excess_angle_brackets = FALSE;
1093 BOOL strip_trailing_dot = FALSE;
1094 uschar *submission_domain = NULL;
1095 BOOL submission_mode = FALSE;
1096 uschar *submission_name = NULL;
1097 BOOL suppress_local_fixups = FALSE;
1098 BOOL synchronous_delivery = FALSE;
1099 BOOL syslog_duplication = TRUE;
1100 int syslog_facility = LOG_MAIL;
1101 uschar *syslog_processname = US"exim";
1102 BOOL syslog_timestamp = TRUE;
1103 uschar *system_filter = NULL;
1104
1105 uschar *system_filter_directory_transport = NULL;
1106 uschar *system_filter_file_transport = NULL;
1107 uschar *system_filter_pipe_transport = NULL;
1108 uschar *system_filter_reply_transport = NULL;
1109
1110 gid_t system_filter_gid = 0;
1111 BOOL system_filter_gid_set = FALSE;
1112 uid_t system_filter_uid = 0;
1113 BOOL system_filter_uid_set = FALSE;
1114 BOOL system_filtering = FALSE;
1115
1116 BOOL tcp_nodelay = TRUE;
1117 int thismessage_size_limit = 0;
1118 int timeout_frozen_after = 0;
1119 BOOL timestamps_utc = FALSE;
1120
1121 transport_instance *transports = NULL;
1122
1123 transport_instance transport_defaults = {
1124 NULL, /* chain pointer */
1125 NULL, /* name */
1126 NULL, /* info */
1127 NULL, /* private options block pointer */
1128 NULL, /* driver name */
1129 NULL, /* setup entry point */
1130 1, /* batch_max */
1131 NULL, /* batch_id */
1132 NULL, /* home_dir */
1133 NULL, /* current_dir */
1134 TRUE, /* multi-domain */
1135 FALSE, /* overrides_hosts */
1136 100, /* max_addresses */
1137 500, /* connection_max_messages */
1138 FALSE, /* deliver_as_creator */
1139 FALSE, /* disable_logging */
1140 FALSE, /* initgroups */
1141 FALSE, /* uid_set */
1142 FALSE, /* gid_set */
1143 (uid_t)(-1), /* uid */
1144 (gid_t)(-1), /* gid */
1145 NULL, /* expand_uid */
1146 NULL, /* expand_gid */
1147 NULL, /* warn_message */
1148 NULL, /* shadow */
1149 NULL, /* shadow_condition */
1150 NULL, /* filter_command */
1151 NULL, /* add_headers */
1152 NULL, /* remove_headers */
1153 NULL, /* return_path */
1154 NULL, /* debug_string */
1155 NULL, /* message_size_limit */
1156 NULL, /* headers_rewrite */
1157 NULL, /* rewrite_rules */
1158 0, /* rewrite_existflags */
1159 300, /* filter_timeout */
1160 FALSE, /* body_only */
1161 FALSE, /* delivery_date_add */
1162 FALSE, /* envelope_to_add */
1163 FALSE, /* headers_only */
1164 FALSE, /* rcpt_include_affixes */
1165 FALSE, /* return_path_add */
1166 FALSE, /* return_output */
1167 FALSE, /* return_fail_output */
1168 FALSE, /* log_output */
1169 FALSE, /* log_fail_output */
1170 FALSE, /* log_defer_output */
1171 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1172 1 nor 0 so can detect unset */
1173 };
1174
1175 int transport_count;
1176 uschar **transport_filter_argv = NULL;
1177 int transport_filter_timeout;
1178 BOOL transport_filter_timed_out = FALSE;
1179 int transport_write_timeout= 0;
1180
1181 tree_node *tree_dns_fails = NULL;
1182 tree_node *tree_duplicates = NULL;
1183 tree_node *tree_nonrecipients = NULL;
1184 tree_node *tree_unusable = NULL;
1185
1186 BOOL trusted_caller = FALSE;
1187 gid_t *trusted_groups = NULL;
1188 uid_t *trusted_users = NULL;
1189 uschar *timezone_string = US TIMEZONE_DEFAULT;
1190
1191 uschar *unknown_login = NULL;
1192 uschar *unknown_username = NULL;
1193 uschar *untrusted_set_sender = NULL;
1194
1195 /* A regex for matching a "From_" line in an incoming message, in the form
1196
1197 From ph10 Fri Jan 5 12:35 GMT 1996
1198
1199 which the "mail" commands send to the MTA (undocumented, of course), or in
1200 the form
1201
1202 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1203
1204 which is apparently used by some UUCPs, despite it not being in RFC 976.
1205 Because of variations in time formats, just match up to the minutes. That
1206 should be sufficient. Examples have been seen of time fields like 12:1:03,
1207 so just require one digit for hours and minutes. The weekday is also absent
1208 in some forms. */
1209
1210 uschar *uucp_from_pattern = US
1211 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1212 "(?:" /* Non-extracting bracket */
1213 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1214 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1215 ")" /* End alternation */
1216 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1217
1218 uschar *uucp_from_sender = US"$1";
1219
1220 uschar *warn_message_file = NULL;
1221 uschar *warnmsg_delay = NULL;
1222 uschar *warnmsg_recipients = NULL;
1223 BOOL write_rejectlog = TRUE;
1224
1225 uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1226 uschar *version_date = US"?";
1227 uschar *version_cnumber = US"????";
1228 uschar *version_string = US"?";
1229
1230 int warning_count = 0;
1231
1232 /* End of globals.c */