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[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.65 2007/01/30 11:45:20 ph10 Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2007 */
8 /* See the file NOTICE for conditions of use and distribution. */
9
10 /* All the global variables are defined together in this one module, so
11 that they are easy to find. */
12
13 #include "exim.h"
14
15
16 /* The OSF1 linker puts out a worrying warning if any sections contain no
17 executable code. It says
18
19 Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
21 problems.
22
23 As this may cause people to worry needlessly, include a dummy function here
24 to stop the message from appearing. Make it reference itself to stop picky
25 compilers complaining that it is unused, and put in a dummy argument to stop
26 even pickier compilers complaining about infinite loops. */
27
28 static void dummy(int x) { dummy(x-1); }
29
30
31 /* Generic options for auths, all of which live inside auth_instance
32 data blocks and hence have the opt_public flag set. */
33
34 optionlist optionlist_auths[] = {
35 { "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_condition", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, server_condition)) },
43 { "server_debug_print", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, server_debug_string)) },
45 { "server_mail_auth_condition", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, mail_auth_condition)) },
47 { "server_set_id", opt_stringptr | opt_public,
48 (void *)(offsetof(auth_instance, set_id)) }
49 };
50
51 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
52
53 /* An empty host aliases list. */
54
55 uschar *no_aliases = NULL;
56
57
58 /* For comments on these variables, see globals.h. I'm too idle to
59 duplicate them here... */
60
61 #ifdef EXIM_PERL
62 uschar *opt_perl_startup = NULL;
63 BOOL opt_perl_at_start = FALSE;
64 BOOL opt_perl_started = FALSE;
65 #endif
66
67 #ifdef EXPAND_DLFUNC
68 tree_node *dlobj_anchor = NULL;
69 #endif
70
71 #ifdef LOOKUP_IBASE
72 uschar *ibase_servers = NULL;
73 #endif
74
75 #ifdef LOOKUP_LDAP
76 uschar *eldap_default_servers = NULL;
77 int eldap_version = -1;
78 #endif
79
80 #ifdef LOOKUP_MYSQL
81 uschar *mysql_servers = NULL;
82 #endif
83
84 #ifdef LOOKUP_ORACLE
85 uschar *oracle_servers = NULL;
86 #endif
87
88 #ifdef LOOKUP_PGSQL
89 uschar *pgsql_servers = NULL;
90 #endif
91
92 #ifdef LOOKUP_SQLITE
93 int sqlite_lock_timeout = 5;
94 #endif
95
96 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
97 BOOL move_frozen_messages = FALSE;
98 #endif
99
100 /* These variables are outside the #ifdef because it keeps the code less
101 cluttered in several places (e.g. during logging) if we can always refer to
102 them. Also, the tls_ variables are now always visible. */
103
104 BOOL tls_active = -1;
105 BOOL tls_certificate_verified = FALSE;
106 uschar *tls_cipher = NULL;
107 BOOL tls_on_connect = FALSE;
108 uschar *tls_on_connect_ports = NULL;
109 uschar *tls_peerdn = NULL;
110
111 #ifdef SUPPORT_TLS
112 uschar *gnutls_require_mac = NULL;
113 uschar *gnutls_require_kx = NULL;
114 uschar *gnutls_require_proto = NULL;
115 const pcre *regex_STARTTLS = NULL;
116 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
117 uschar *tls_certificate = NULL;
118 uschar *tls_crl = NULL;
119 uschar *tls_dhparam = NULL;
120 BOOL tls_offered = FALSE;
121 uschar *tls_privatekey = NULL;
122 BOOL tls_remember_esmtp = FALSE;
123 uschar *tls_require_ciphers = NULL;
124 uschar *tls_try_verify_hosts = NULL;
125 uschar *tls_verify_certificates= NULL;
126 uschar *tls_verify_hosts = NULL;
127 #endif
128
129
130 /* Input-reading functions for messages, so we can use special ones for
131 incoming TCP/IP. The defaults use stdin. We never need these for any
132 stand-alone tests. */
133
134 #ifndef STAND_ALONE
135 int (*receive_getc)(void) = stdin_getc;
136 int (*receive_ungetc)(int) = stdin_ungetc;
137 int (*receive_feof)(void) = stdin_feof;
138 int (*receive_ferror)(void) = stdin_ferror;
139 #endif
140
141
142 /* List of per-address expansion variables for clearing and saving/restoring
143 when verifying one address while routing/verifying another. We have to have
144 the size explicit, because it is referenced from more than one module. */
145
146 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
147 &deliver_address_data,
148 &deliver_domain,
149 &deliver_domain_data,
150 &deliver_domain_orig,
151 &deliver_domain_parent,
152 &deliver_localpart,
153 &deliver_localpart_data,
154 &deliver_localpart_orig,
155 &deliver_localpart_parent,
156 &deliver_localpart_prefix,
157 &deliver_localpart_suffix,
158 (uschar **)(&deliver_recipients),
159 &deliver_host,
160 &deliver_home,
161 &address_file,
162 &address_pipe,
163 &self_hostname,
164 NULL };
165
166 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
167
168 /* General global variables */
169
170 header_line *acl_added_headers = NULL;
171 tree_node *acl_anchor = NULL;
172 uschar *acl_not_smtp = NULL;
173 #ifdef WITH_CONTENT_SCAN
174 uschar *acl_not_smtp_mime = NULL;
175 #endif
176 uschar *acl_not_smtp_start = NULL;
177 uschar *acl_smtp_auth = NULL;
178 uschar *acl_smtp_connect = NULL;
179 uschar *acl_smtp_data = NULL;
180 uschar *acl_smtp_etrn = NULL;
181 uschar *acl_smtp_expn = NULL;
182 uschar *acl_smtp_helo = NULL;
183 uschar *acl_smtp_mail = NULL;
184 uschar *acl_smtp_mailauth = NULL;
185 #ifdef WITH_CONTENT_SCAN
186 uschar *acl_smtp_mime = NULL;
187 #endif
188 uschar *acl_smtp_predata = NULL;
189 uschar *acl_smtp_quit = NULL;
190 uschar *acl_smtp_rcpt = NULL;
191 uschar *acl_smtp_starttls = NULL;
192 uschar *acl_smtp_vrfy = NULL;
193 BOOL acl_temp_details = FALSE;
194 tree_node *acl_var_c = NULL;
195 tree_node *acl_var_m = NULL;
196 uschar *acl_verify_message = NULL;
197 string_item *acl_warn_logged = NULL;
198
199 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
200 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
201
202 uschar *acl_wherenames[] = { US"RCPT",
203 US"MAIL",
204 US"PREDATA",
205 US"MIME",
206 US"DATA",
207 US"non-SMTP",
208 US"AUTH",
209 US"connection",
210 US"ETRN",
211 US"EXPN",
212 US"EHLO or HELO",
213 US"MAILAUTH",
214 US"non-SMTP-start",
215 US"QUIT",
216 US"STARTTLS",
217 US"VRFY"
218 };
219
220 uschar *acl_wherecodes[] = { US"550", /* RCPT */
221 US"550", /* MAIL */
222 US"550", /* PREDATA */
223 US"550", /* MIME */
224 US"550", /* DATA */
225 US"0", /* not SMTP; not relevant */
226 US"503", /* AUTH */
227 US"550", /* connect */
228 US"458", /* ETRN */
229 US"550", /* EXPN */
230 US"550", /* HELO/EHLO */
231 US"0", /* MAILAUTH; not relevant */
232 US"0", /* not SMTP; not relevant */
233 US"0", /* QUIT; not relevant */
234 US"550", /* STARTTLS */
235 US"252" /* VRFY */
236 };
237
238 BOOL active_local_from_check = FALSE;
239 BOOL active_local_sender_retain = FALSE;
240 BOOL accept_8bitmime = FALSE;
241 address_item *addr_duplicate = NULL;
242
243 address_item address_defaults = {
244 NULL, /* next */
245 NULL, /* parent */
246 NULL, /* first */
247 NULL, /* dupof */
248 NULL, /* start_router */
249 NULL, /* router */
250 NULL, /* transport */
251 NULL, /* host_list */
252 NULL, /* host_used */
253 NULL, /* fallback_hosts */
254 NULL, /* reply */
255 NULL, /* retries */
256 NULL, /* address */
257 NULL, /* unique */
258 NULL, /* cc_local_part */
259 NULL, /* lc_local_part */
260 NULL, /* local_part */
261 NULL, /* prefix */
262 NULL, /* suffix */
263 NULL, /* domain */
264 NULL, /* address_retry_key */
265 NULL, /* domain_retry_key */
266 NULL, /* current_dir */
267 NULL, /* home_dir */
268 NULL, /* message */
269 NULL, /* user_message */
270 NULL, /* onetime_parent */
271 NULL, /* pipe_expandn */
272 NULL, /* return_filename */
273 NULL, /* self_hostname */
274 NULL, /* shadow_message */
275 #ifdef SUPPORT_TLS
276 NULL, /* cipher */
277 NULL, /* peerdn */
278 #endif
279 (uid_t)(-1), /* uid */
280 (gid_t)(-1), /* gid */
281 0, /* flags */
282 { 0 }, /* domain_cache - any larger array should be zeroed */
283 { 0 }, /* localpart_cache - ditto */
284 -1, /* mode */
285 0, /* more_errno */
286 ERRNO_UNKNOWNERROR, /* basic_errno */
287 0, /* child_count */
288 -1, /* return_file */
289 SPECIAL_NONE, /* special_action */
290 DEFER, /* transport_return */
291 { /* fields that are propagated to children */
292 NULL, /* address_data */
293 NULL, /* domain_data */
294 NULL, /* localpart_data */
295 NULL, /* errors_address */
296 NULL, /* extra_headers */
297 NULL, /* remove_headers */
298 #ifdef EXPERIMENTAL_SRS
299 NULL, /* srs_sender */
300 #endif
301 }
302 };
303
304 uschar *address_file = NULL;
305 uschar *address_pipe = NULL;
306 BOOL address_test_mode = FALSE;
307 tree_node *addresslist_anchor = NULL;
308 int addresslist_count = 0;
309 gid_t *admin_groups = NULL;
310 BOOL admin_user = FALSE;
311 BOOL allow_auth_unadvertised= FALSE;
312 BOOL allow_domain_literals = FALSE;
313 BOOL allow_mx_to_ip = FALSE;
314 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
315 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
316 BOOL allow_utf8_domains = FALSE;
317 uschar *authenticated_id = NULL;
318 uschar *authenticated_sender = NULL;
319 BOOL authentication_failed = FALSE;
320 auth_instance *auths = NULL;
321 uschar *auth_advertise_hosts = US"*";
322 auth_instance auth_defaults = {
323 NULL, /* chain pointer */
324 NULL, /* name */
325 NULL, /* info */
326 NULL, /* private options block pointer */
327 NULL, /* driver_name */
328 NULL, /* advertise_condition */
329 NULL, /* public_name */
330 NULL, /* set_id */
331 NULL, /* server_mail_auth_condition */
332 NULL, /* server_debug_string */
333 NULL, /* server_condition */
334 FALSE, /* client */
335 FALSE, /* server */
336 FALSE /* advertised */
337 };
338
339 uschar *auth_defer_msg = US"reason not recorded";
340 uschar *auth_defer_user_msg = US"";
341 uschar *auth_vars[AUTH_VARS];
342 int auto_thaw = 0;
343 #ifdef WITH_CONTENT_SCAN
344 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
345 #endif
346
347 BOOL background_daemon = TRUE;
348
349 #if BASE_62 == 62
350 uschar *base62_chars=
351 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
352 #else
353 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
354 #endif
355
356 uschar *bi_command = NULL;
357 uschar *big_buffer = NULL;
358 int big_buffer_size = BIG_BUFFER_SIZE;
359 #ifdef EXPERIMENTAL_BRIGHTMAIL
360 uschar *bmi_alt_location = NULL;
361 uschar *bmi_base64_tracker_verdict = NULL;
362 uschar *bmi_base64_verdict = NULL;
363 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
364 int bmi_deliver = 1;
365 int bmi_run = 0;
366 uschar *bmi_verdicts = NULL;
367 #endif
368 int body_linecount = 0;
369 int body_zerocount = 0;
370 uschar *bounce_message_file = NULL;
371 uschar *bounce_message_text = NULL;
372 uschar *bounce_recipient = NULL;
373 BOOL bounce_return_body = TRUE;
374 BOOL bounce_return_message = TRUE;
375 int bounce_return_size_limit = 100*1024;
376 uschar *bounce_sender_authentication = NULL;
377 int bsmtp_transaction_linecount = 0;
378
379 int callout_cache_domain_positive_expire = 7*24*60*60;
380 int callout_cache_domain_negative_expire = 3*60*60;
381 int callout_cache_positive_expire = 24*60*60;
382 int callout_cache_negative_expire = 2*60*60;
383 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
384 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
385 int check_log_inodes = 0;
386 int check_log_space = 0;
387 BOOL check_rfc2047_length = TRUE;
388 int check_spool_inodes = 0;
389 int check_spool_space = 0;
390 int clmacro_count = 0;
391 uschar *clmacros[MAX_CLMACROS];
392 BOOL config_changed = FALSE;
393 FILE *config_file = NULL;
394 uschar *config_filename = NULL;
395 int config_lineno = 0;
396 #ifdef CONFIGURE_GROUP
397 gid_t config_gid = CONFIGURE_GROUP;
398 #endif
399 uschar *config_main_filelist = US CONFIGURE_FILE
400 "\0<-----------Space to patch configure_filename->";
401 uschar *config_main_filename = NULL;
402
403 #ifdef CONFIGURE_OWNER
404 uid_t config_uid = CONFIGURE_OWNER;
405 #endif
406
407 int connection_max_messages= -1;
408 uschar *continue_hostname = NULL;
409 uschar *continue_host_address = NULL;
410 BOOL continue_more = FALSE;
411 int continue_sequence = 1;
412 uschar *continue_transport = NULL;
413
414 uschar *csa_status = NULL;
415
416 BOOL daemon_listen = FALSE;
417 uschar *daemon_smtp_port = US"smtp";
418 int daemon_startup_retries = 9;
419 int daemon_startup_sleep = 30;
420 BOOL debug_daemon = FALSE;
421 int debug_fd = -1;
422 FILE *debug_file = NULL;
423 bit_table debug_options[] = {
424 { US"acl", D_acl },
425 { US"all", D_all },
426 { US"auth", D_auth },
427 { US"deliver", D_deliver },
428 { US"dns", D_dns },
429 { US"dnsbl", D_dnsbl },
430 { US"exec", D_exec },
431 { US"expand", D_expand },
432 { US"filter", D_filter },
433 { US"hints_lookup", D_hints_lookup },
434 { US"host_lookup", D_host_lookup },
435 { US"ident", D_ident },
436 { US"interface", D_interface },
437 { US"lists", D_lists },
438 { US"load", D_load },
439 { US"local_scan", D_local_scan },
440 { US"lookup", D_lookup },
441 { US"memory", D_memory },
442 { US"pid", D_pid },
443 { US"process_info", D_process_info },
444 { US"queue_run", D_queue_run },
445 { US"receive", D_receive },
446 { US"resolver", D_resolver },
447 { US"retry", D_retry },
448 { US"rewrite", D_rewrite },
449 { US"route", D_route },
450 { US"timestamp", D_timestamp },
451 { US"tls", D_tls },
452 { US"transport", D_transport },
453 { US"uid", D_uid },
454 { US"verify", D_verify }
455 };
456 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
457 unsigned int debug_selector = 0;
458 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
459 uschar *delay_warning_condition=
460 US"${if or {"
461 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
462 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
463 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
464 "} {no}{yes}}";
465 BOOL delivery_date_remove = TRUE;
466 uschar *deliver_address_data = NULL;
467 int deliver_datafile = -1;
468 uschar *deliver_domain = NULL;
469 uschar *deliver_domain_data = NULL;
470 uschar *deliver_domain_orig = NULL;
471 uschar *deliver_domain_parent = NULL;
472 BOOL deliver_drop_privilege = FALSE;
473 BOOL deliver_firsttime = FALSE;
474 BOOL deliver_force = FALSE;
475 BOOL deliver_freeze = FALSE;
476 int deliver_frozen_at = 0;
477 uschar *deliver_home = NULL;
478 uschar *deliver_host = NULL;
479 uschar *deliver_host_address = NULL;
480 uschar *deliver_in_buffer = NULL;
481 ino_t deliver_inode = 0;
482 uschar *deliver_localpart = NULL;
483 uschar *deliver_localpart_data = NULL;
484 uschar *deliver_localpart_orig = NULL;
485 uschar *deliver_localpart_parent = NULL;
486 uschar *deliver_localpart_prefix = NULL;
487 uschar *deliver_localpart_suffix = NULL;
488 BOOL deliver_force_thaw = FALSE;
489 BOOL deliver_manual_thaw = FALSE;
490 uschar *deliver_out_buffer = NULL;
491 int deliver_queue_load_max = -1;
492 address_item *deliver_recipients = NULL;
493 uschar *deliver_selectstring = NULL;
494 BOOL deliver_selectstring_regex = FALSE;
495 uschar *deliver_selectstring_sender = NULL;
496 BOOL deliver_selectstring_sender_regex = FALSE;
497 #ifdef WITH_OLD_DEMIME
498 int demime_errorlevel = 0;
499 int demime_ok = 0;
500 uschar *demime_reason = NULL;
501 #endif
502 #ifdef ENABLE_DISABLE_FSYNC
503 BOOL disable_fsync = FALSE;
504 #endif
505 BOOL disable_ipv6 = FALSE;
506 BOOL disable_logging = FALSE;
507
508 #ifdef EXPERIMENTAL_DOMAINKEYS
509 uschar *dk_signing_domain = NULL;
510 uschar *dk_signing_selector = NULL;
511 int dk_do_verify = 0;
512 #endif
513
514 uschar *dns_again_means_nonexist = NULL;
515 int dns_csa_search_limit = 5;
516 BOOL dns_csa_use_reverse = TRUE;
517 uschar *dns_ipv4_lookup = NULL;
518 int dns_retrans = 0;
519 int dns_retry = 0;
520 uschar *dnslist_domain = NULL;
521 uschar *dnslist_text = NULL;
522 uschar *dnslist_value = NULL;
523 tree_node *domainlist_anchor = NULL;
524 int domainlist_count = 0;
525 BOOL dont_deliver = FALSE;
526 BOOL dot_ends = TRUE;
527 BOOL drop_cr = FALSE; /* No longer used */
528
529 BOOL enable_dollar_recipients = FALSE;
530 BOOL envelope_to_remove = TRUE;
531 int errno_quota = ERRNO_QUOTA;
532 uschar *errors_copy = NULL;
533 int error_handling = ERRORS_SENDER;
534 uschar *errors_reply_to = NULL;
535 int errors_sender_rc = EXIT_FAILURE;
536
537 gid_t exim_gid = EXIM_GID;
538 BOOL exim_gid_set = TRUE; /* This gid is always set */
539 uschar *exim_path = US BIN_DIRECTORY "/exim"
540 "\0<---------------Space to patch exim_path->";
541 uid_t exim_uid = EXIM_UID;
542 BOOL exim_uid_set = TRUE; /* This uid is always set */
543 int expand_forbid = 0;
544 int expand_nlength[EXPAND_MAXN+1];
545 int expand_nmax = -1;
546 uschar *expand_nstring[EXPAND_MAXN+1];
547 BOOL expand_string_forcedfail = FALSE;
548 uschar *expand_string_message;
549 BOOL extract_addresses_remove_arguments = TRUE;
550 uschar *extra_local_interfaces = NULL;
551
552 int fake_response = OK;
553 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).";
554 int filter_n[FILTER_VARIABLE_COUNT];
555 BOOL filter_running = FALSE;
556 int filter_sn[FILTER_VARIABLE_COUNT];
557 int filter_test = FTEST_NONE;
558 uschar *filter_test_sfile = NULL;
559 uschar *filter_test_ufile = NULL;
560 uschar *filter_thisaddress = NULL;
561 int finduser_retries = 0;
562 #ifdef WITH_OLD_DEMIME
563 uschar *found_extension = NULL;
564 #endif
565 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
566 uschar *freeze_tell = NULL;
567 uschar *freeze_tell_config = NULL;
568 uschar *fudged_queue_times = US"";
569
570 uschar *gecos_name = NULL;
571 uschar *gecos_pattern = NULL;
572 rewrite_rule *global_rewrite_rules = NULL;
573
574 uschar *headers_charset = US HEADERS_CHARSET;
575 int header_insert_maxlen = 64 * 1024;
576 header_line *header_last = NULL;
577 header_line *header_list = NULL;
578 int header_maxsize = HEADER_MAXSIZE;
579 int header_line_maxsize = 0;
580
581 header_name header_names[] = {
582 { US"bcc", 3, TRUE, htype_bcc },
583 { US"cc", 2, TRUE, htype_cc },
584 { US"date", 4, TRUE, htype_date },
585 { US"delivery-date", 13, FALSE, htype_delivery_date },
586 { US"envelope-to", 11, FALSE, htype_envelope_to },
587 { US"from", 4, TRUE, htype_from },
588 { US"message-id", 10, TRUE, htype_id },
589 { US"received", 8, FALSE, htype_received },
590 { US"reply-to", 8, FALSE, htype_reply_to },
591 { US"return-path", 11, FALSE, htype_return_path },
592 { US"sender", 6, TRUE, htype_sender },
593 { US"subject", 7, FALSE, htype_subject },
594 { US"to", 2, TRUE, htype_to }
595 };
596
597 int header_names_size = sizeof(header_names)/sizeof(header_name);
598
599 BOOL header_rewritten = FALSE;
600 uschar *helo_accept_junk_hosts = NULL;
601 uschar *helo_allow_chars = US"";
602 uschar *helo_lookup_domains = US"@ : @[]";
603 uschar *helo_try_verify_hosts = NULL;
604 BOOL helo_verified = FALSE;
605 BOOL helo_verify_failed = FALSE;
606 uschar *helo_verify_hosts = NULL;
607 uschar *hex_digits = US"0123456789abcdef";
608 uschar *hold_domains = NULL;
609 BOOL host_checking = FALSE;
610 BOOL host_checking_callout = FALSE;
611 uschar *host_data = NULL;
612 BOOL host_find_failed_syntax= FALSE;
613 uschar *host_lookup = NULL;
614 BOOL host_lookup_deferred = FALSE;
615 BOOL host_lookup_failed = FALSE;
616 uschar *host_lookup_order = US"bydns:byaddr";
617 uschar *host_lookup_msg = US"";
618 int host_number = 0;
619 uschar *host_number_string = NULL;
620 uschar *host_reject_connection = NULL;
621 tree_node *hostlist_anchor = NULL;
622 int hostlist_count = 0;
623 uschar *hosts_treat_as_local = NULL;
624 uschar *hosts_connection_nolog = NULL;
625
626 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
627 BOOL ignore_fromline_local = FALSE;
628 uschar *ignore_fromline_hosts = NULL;
629 uschar *interface_address = NULL;
630 int interface_port = -1;
631 BOOL is_inetd = FALSE;
632
633 int journal_fd = -1;
634
635 int keep_malformed = 4*24*60*60; /* 4 days */
636
637 uschar *eldap_dn = NULL;
638 int load_average = -2;
639 BOOL local_error_message = FALSE;
640 BOOL local_from_check = TRUE;
641 uschar *local_from_prefix = NULL;
642 uschar *local_from_suffix = NULL;
643
644 #if HAVE_IPV6
645 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
646 #else
647 uschar *local_interfaces = US"0.0.0.0";
648 #endif
649
650 uschar *local_scan_data = NULL;
651 int local_scan_timeout = 5*60;
652 BOOL local_sender_retain = FALSE;
653 gid_t local_user_gid = (gid_t)(-1);
654 uid_t local_user_uid = (uid_t)(-1);
655
656 tree_node *localpartlist_anchor= NULL;
657 int localpartlist_count = 0;
658 uschar *log_buffer = NULL;
659 unsigned int log_extra_selector = LX_default;
660 uschar *log_file_path = US LOG_FILE_PATH
661 "\0<--------------Space to patch log_file_path->";
662
663 /* Those log options with L_xxx identifiers have values less than 0x800000 and
664 are the ones that get put into log_write_selector. They can be used in calls to
665 log_write() to test for the bit. The options with LX_xxx identifiers have
666 values greater than 0x80000000 and are put int log_extra_selector (without the
667 top bit). They are never used in calls to log_write(), but are tested
668 independently. This separation became necessary when the number of log
669 selectors was getting close to filling a 32-bit word. */
670
671 bit_table log_options[] = {
672 { US"acl_warn_skipped", LX_acl_warn_skipped },
673 { US"address_rewrite", L_address_rewrite },
674 { US"all", L_all },
675 { US"all_parents", L_all_parents },
676 { US"arguments", LX_arguments },
677 { US"connection_reject", L_connection_reject },
678 { US"delay_delivery", L_delay_delivery },
679 { US"deliver_time", LX_deliver_time },
680 { US"delivery_size", LX_delivery_size },
681 { US"dnslist_defer", L_dnslist_defer },
682 { US"etrn", L_etrn },
683 { US"host_lookup_failed", L_host_lookup_failed },
684 { US"ident_timeout", LX_ident_timeout },
685 { US"incoming_interface", LX_incoming_interface },
686 { US"incoming_port", LX_incoming_port },
687 { US"lost_incoming_connection", L_lost_incoming_connection },
688 { US"outgoing_port", LX_outgoing_port },
689 { US"queue_run", L_queue_run },
690 { US"queue_time", LX_queue_time },
691 { US"queue_time_overall", LX_queue_time_overall },
692 { US"received_recipients", LX_received_recipients },
693 { US"received_sender", LX_received_sender },
694 { US"rejected_header", LX_rejected_header },
695 { US"rejected_headers", LX_rejected_header },
696 { US"retry_defer", L_retry_defer },
697 { US"return_path_on_delivery", LX_return_path_on_delivery },
698 { US"sender_on_delivery", LX_sender_on_delivery },
699 { US"sender_verify_fail", LX_sender_verify_fail },
700 { US"size_reject", L_size_reject },
701 { US"skip_delivery", L_skip_delivery },
702 { US"smtp_confirmation", LX_smtp_confirmation },
703 { US"smtp_connection", L_smtp_connection },
704 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
705 { US"smtp_no_mail", LX_smtp_no_mail },
706 { US"smtp_protocol_error", L_smtp_protocol_error },
707 { US"smtp_syntax_error", L_smtp_syntax_error },
708 { US"subject", LX_subject },
709 { US"tls_certificate_verified", LX_tls_certificate_verified },
710 { US"tls_cipher", LX_tls_cipher },
711 { US"tls_peerdn", LX_tls_peerdn },
712 { US"unknown_in_list", LX_unknown_in_list }
713 };
714
715 int log_options_count = sizeof(log_options)/sizeof(bit_table);
716 int log_reject_target = 0;
717 uschar *log_selector_string = NULL;
718 FILE *log_stderr = NULL;
719 BOOL log_testing_mode = FALSE;
720 BOOL log_timezone = FALSE;
721 unsigned int log_write_selector= L_default;
722 uschar *login_sender_address = NULL;
723 int lookup_open_max = 25;
724 uschar *lookup_value = NULL;
725
726 macro_item *macros = NULL;
727 uschar *mailstore_basename = NULL;
728 #ifdef WITH_CONTENT_SCAN
729 uschar *malware_name = NULL; /* Virus Name */
730 #endif
731 int max_username_length = 0;
732 int message_age = 0;
733 uschar *message_body = NULL;
734 uschar *message_body_end = NULL;
735 int message_body_size = 0;
736 int message_body_visible = 500;
737 int message_ended = END_NOTSTARTED;
738 uschar *message_headers = NULL;
739 uschar *message_id;
740 uschar *message_id_domain = NULL;
741 uschar *message_id_text = NULL;
742 struct timeval message_id_tv = { 0, 0 };
743 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
744 uschar *message_id_external;
745 int message_linecount = 0;
746 BOOL message_logs = TRUE;
747 int message_size = 0;
748 uschar *message_size_limit = US"50M";
749 uschar message_subdir[2] = { 0, 0 };
750 uschar *message_reference = NULL;
751
752 /* MIME ACL expandables */
753 #ifdef WITH_CONTENT_SCAN
754 int mime_anomaly_level = 0;
755 uschar *mime_anomaly_text = NULL;
756 uschar *mime_boundary = NULL;
757 uschar *mime_charset = NULL;
758 uschar *mime_content_description = NULL;
759 uschar *mime_content_disposition = NULL;
760 uschar *mime_content_id = NULL;
761 unsigned int mime_content_size = 0;
762 uschar *mime_content_transfer_encoding = NULL;
763 uschar *mime_content_type = NULL;
764 uschar *mime_decoded_filename = NULL;
765 uschar *mime_filename = NULL;
766 int mime_is_multipart = 0;
767 int mime_is_coverletter = 0;
768 int mime_is_rfc822 = 0;
769 int mime_part_count = -1;
770 #endif
771
772 BOOL mua_wrapper = FALSE;
773
774 uid_t *never_users = NULL;
775 #ifdef WITH_CONTENT_SCAN
776 BOOL no_mbox_unspool = FALSE;
777 #endif
778 BOOL no_multiline_responses = FALSE;
779
780 uid_t original_euid;
781 gid_t originator_gid;
782 uschar *originator_login = NULL;
783 uschar *originator_name = NULL;
784 uid_t originator_uid;
785 uschar *override_local_interfaces = NULL;
786 uschar *override_pid_file_path = NULL;
787
788 BOOL parse_allow_group = FALSE;
789 BOOL parse_found_group = FALSE;
790 uschar *percent_hack_domains = NULL;
791 uschar *pid_file_path = US PID_FILE_PATH
792 "\0<--------------Space to patch pid_file_path->";
793 BOOL pipelining_enable = TRUE;
794 uschar *pipelining_advertise_hosts = US"*";
795 BOOL preserve_message_logs = FALSE;
796 uschar *primary_hostname = NULL;
797 BOOL print_topbitchars = FALSE;
798 uschar process_info[PROCESS_INFO_SIZE];
799 uschar *process_log_path = NULL;
800 BOOL prod_requires_admin = TRUE;
801 uschar *prvscheck_address = NULL;
802 uschar *prvscheck_keynum = NULL;
803 uschar *prvscheck_result = NULL;
804
805
806 uschar *qualify_domain_recipient = NULL;
807 uschar *qualify_domain_sender = NULL;
808 BOOL queue_2stage = FALSE;
809 uschar *queue_domains = NULL;
810 int queue_interval = -1;
811 BOOL queue_list_requires_admin = TRUE;
812 BOOL queue_only = FALSE;
813 uschar *queue_only_file = NULL;
814 int queue_only_load = -1;
815 BOOL queue_only_override = TRUE;
816 BOOL queue_only_policy = FALSE;
817 BOOL queue_run_first_delivery = FALSE;
818 BOOL queue_run_force = FALSE;
819 BOOL queue_run_in_order = FALSE;
820 BOOL queue_run_local = FALSE;
821 int queue_run_max = 5;
822 pid_t queue_run_pid = (pid_t)0;
823 int queue_run_pipe = -1;
824 BOOL queue_running = FALSE;
825 BOOL queue_smtp = FALSE;
826 uschar *queue_smtp_domains = NULL;
827
828 unsigned int random_seed = 0;
829 tree_node *ratelimiters_cmd = NULL;
830 tree_node *ratelimiters_conn = NULL;
831 tree_node *ratelimiters_mail = NULL;
832 uschar *raw_active_hostname = NULL;
833 uschar *raw_sender = NULL;
834 uschar **raw_recipients = NULL;
835 int raw_recipients_count = 0;
836
837 int rcpt_count = 0;
838 int rcpt_fail_count = 0;
839 int rcpt_defer_count = 0;
840 gid_t real_gid;
841 uid_t real_uid;
842 BOOL really_exim = TRUE;
843 BOOL receive_call_bombout = FALSE;
844 int receive_linecount = 0;
845 int receive_messagecount = 0;
846 int receive_timeout = 0;
847 int received_count = 0;
848 uschar *received_for = NULL;
849
850 /* This is the default text for Received headers generated by Exim. The
851 date will be automatically added on the end. */
852
853 uschar *received_header_text = US
854 "Received: "
855 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
856 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
857 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
858 "by $primary_hostname "
859 "${if def:received_protocol {with $received_protocol}} "
860 #ifdef SUPPORT_TLS
861 "${if def:tls_cipher {($tls_cipher)\n\t}}"
862 #endif
863 "(Exim $version_number)\n\t"
864 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
865 "id $message_exim_id"
866 "${if def:received_for {\n\tfor $received_for}}"
867 "\0<---------------Space to patch received_header_text->";
868
869 int received_headers_max = 30;
870 uschar *received_protocol = NULL;
871 int received_time = 0;
872 uschar *recipient_data = NULL;
873 uschar *recipient_unqualified_hosts = NULL;
874 uschar *recipient_verify_failure = NULL;
875 int recipients_count = 0;
876 BOOL recipients_discarded = FALSE;
877 recipient_item *recipients_list = NULL;
878 int recipients_list_max = 0;
879 int recipients_max = 0;
880 BOOL recipients_max_reject = FALSE;
881 const pcre *regex_AUTH = NULL;
882 const pcre *regex_check_dns_names = NULL;
883 const pcre *regex_From = NULL;
884 const pcre *regex_IGNOREQUOTA = NULL;
885 const pcre *regex_PIPELINING = NULL;
886 const pcre *regex_SIZE = NULL;
887 const pcre *regex_smtp_code = NULL;
888 const pcre *regex_ismsgid = NULL;
889 #ifdef WITH_CONTENT_SCAN
890 uschar *regex_match_string = NULL;
891 #endif
892 int remote_delivery_count = 0;
893 int remote_max_parallel = 2;
894 uschar *remote_sort_domains = NULL;
895 int retry_data_expire = 7*24*60*60;
896 int retry_interval_max = 24*60*60;
897 int retry_maximum_timeout = 0; /* set from retry config */
898 retry_config *retries = NULL;
899 uschar *return_path = NULL;
900 BOOL return_path_remove = TRUE;
901 int rewrite_existflags = 0;
902 uschar *rfc1413_hosts = US"*";
903 int rfc1413_query_timeout = 5;
904 /* BOOL rfc821_domains = FALSE; <<< on the way out */
905 uid_t root_uid = ROOT_UID;
906
907 router_instance *routers = NULL;
908 router_instance router_defaults = {
909 NULL, /* chain pointer */
910 NULL, /* name */
911 NULL, /* info */
912 NULL, /* private options block pointer */
913 NULL, /* driver name */
914
915 NULL, /* address_data */
916 #ifdef EXPERIMENTAL_BRIGHTMAIL
917 NULL, /* bmi_rule */
918 #endif
919 NULL, /* cannot_route_message */
920 NULL, /* condition */
921 NULL, /* current_directory */
922 NULL, /* debug_string */
923 NULL, /* domains */
924 NULL, /* errors_to */
925 NULL, /* expand_gid */
926 NULL, /* expand_uid */
927 NULL, /* expand_more */
928 NULL, /* expand_unseen */
929 NULL, /* extra_headers */
930 NULL, /* fallback_hosts */
931 NULL, /* home_directory */
932 NULL, /* ignore_target_hosts */
933 NULL, /* local_parts */
934 NULL, /* pass_router_name */
935 NULL, /* prefix */
936 NULL, /* redirect_router_name */
937 NULL, /* remove_headers */
938 NULL, /* require_files */
939 NULL, /* router_home_directory */
940 US"freeze", /* self */
941 NULL, /* senders */
942 NULL, /* suffix */
943 NULL, /* translate_ip_address */
944 NULL, /* transport_name */
945
946 TRUE, /* address_test */
947 #ifdef EXPERIMENTAL_BRIGHTMAIL
948 FALSE, /* bmi_deliver_alternate */
949 FALSE, /* bmi_deliver_default */
950 FALSE, /* bmi_dont_deliver */
951 #endif
952 TRUE, /* expn */
953 FALSE, /* caseful_local_part */
954 FALSE, /* check_local_user */
955 FALSE, /* disable_logging */
956 FALSE, /* fail_verify_recipient */
957 FALSE, /* fail_verify_sender */
958 FALSE, /* gid_set */
959 FALSE, /* initgroups */
960 TRUE_UNSET, /* log_as_local */
961 TRUE, /* more */
962 FALSE, /* pass_on_timeout */
963 FALSE, /* prefix_optional */
964 TRUE, /* repeat_use */
965 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
966 FALSE, /* same_domain_copy_routing */
967 FALSE, /* self_rewrite */
968 FALSE, /* suffix_optional */
969 FALSE, /* verify_only */
970 TRUE, /* verify_recipient */
971 TRUE, /* verify_sender */
972 FALSE, /* uid_set */
973 FALSE, /* unseen */
974
975 self_freeze, /* self_code */
976 (uid_t)(-1), /* uid */
977 (gid_t)(-1), /* gid */
978
979 NULL, /* fallback_hostlist */
980 NULL, /* transport instance */
981 NULL, /* pass_router */
982 NULL /* redirect_router */
983 };
984
985 ip_address_item *running_interfaces = NULL;
986 BOOL running_in_test_harness = FALSE;
987
988 /* This is a weird one. The following string gets patched in the binary by the
989 script that sets up a copy of Exim for running in the test harness. It seems
990 that compilers are now clever, and share constant strings if they can.
991 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
992 make use of the end of this string in order to save space. So the patching then
993 wrecks this. We default this optimization by adding some additional characters
994 onto the end of the string. */
995
996 uschar *running_status = US">>>running<<<" "\0EXTRA";
997
998 int runrc = 0;
999
1000 uschar *search_error_message = NULL;
1001 BOOL search_find_defer = FALSE;
1002 uschar *self_hostname = NULL;
1003 uschar *sender_address = NULL;
1004 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1005 uschar *sender_address_data = NULL;
1006 BOOL sender_address_forced = FALSE;
1007 uschar *sender_address_unrewritten = NULL;
1008 uschar *sender_data = NULL;
1009 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1010 uschar *sender_fullhost = NULL;
1011 uschar *sender_helo_name = NULL;
1012 uschar **sender_host_aliases = &no_aliases;
1013 uschar *sender_host_address = NULL;
1014 uschar *sender_host_authenticated = NULL;
1015 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1016 uschar *sender_host_name = NULL;
1017 int sender_host_port = 0;
1018 BOOL sender_host_notsocket = FALSE;
1019 BOOL sender_host_unknown = FALSE;
1020 uschar *sender_ident = NULL;
1021 BOOL sender_local = FALSE;
1022 BOOL sender_name_forced = FALSE;
1023 uschar *sender_rate = NULL;
1024 uschar *sender_rate_limit = NULL;
1025 uschar *sender_rate_period = NULL;
1026 uschar *sender_rcvhost = NULL;
1027 BOOL sender_set_untrusted = FALSE;
1028 uschar *sender_unqualified_hosts = NULL;
1029 uschar *sender_verify_failure = NULL;
1030 address_item *sender_verified_list = NULL;
1031 address_item *sender_verified_failed = NULL;
1032 int sender_verified_rc = -1;
1033 BOOL sender_verified_responded = FALSE;
1034 volatile BOOL sigalrm_seen = FALSE;
1035 uschar **sighup_argv = NULL;
1036 int smtp_accept_count = 0;
1037 BOOL smtp_accept_keepalive = TRUE;
1038 int smtp_accept_max = 20;
1039 int smtp_accept_max_nonmail= 10;
1040 uschar *smtp_accept_max_nonmail_hosts = US"*";
1041 int smtp_accept_max_per_connection = 1000;
1042 uschar *smtp_accept_max_per_host = NULL;
1043 int smtp_accept_queue = 0;
1044 int smtp_accept_queue_per_connection = 10;
1045 int smtp_accept_reserve = 0;
1046 uschar *smtp_active_hostname = NULL;
1047 BOOL smtp_authenticated = FALSE;
1048 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1049 "Exim $version_number $tod_full"
1050 "\0<---------------Space to patch smtp_banner->";
1051 BOOL smtp_batched_input = FALSE;
1052 BOOL smtp_check_spool_space = TRUE;
1053 int smtp_ch_index = 0;
1054 uschar *smtp_cmd_argument = NULL;
1055 uschar *smtp_cmd_buffer = NULL;
1056 time_t smtp_connection_start = 0;
1057 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1058 int smtp_connect_backlog = 20;
1059 double smtp_delay_mail = 0.0;
1060 double smtp_delay_rcpt = 0.0;
1061 BOOL smtp_enforce_sync = TRUE;
1062 FILE *smtp_in = NULL;
1063 BOOL smtp_input = FALSE;
1064 int smtp_load_reserve = -1;
1065 int smtp_mailcmd_count = 0;
1066 FILE *smtp_out = NULL;
1067 uschar *smtp_etrn_command = NULL;
1068 BOOL smtp_etrn_serialize = TRUE;
1069 int smtp_max_synprot_errors= 3;
1070 int smtp_max_unknown_commands = 3;
1071 uschar *smtp_ratelimit_hosts = NULL;
1072 uschar *smtp_ratelimit_mail = NULL;
1073 uschar *smtp_ratelimit_rcpt = NULL;
1074 uschar *smtp_read_error = US"";
1075 int smtp_receive_timeout = 5*60;
1076 uschar *smtp_reserve_hosts = NULL;
1077 BOOL smtp_return_error_details = FALSE;
1078 int smtp_rlm_base = 0;
1079 double smtp_rlm_factor = 0.0;
1080 int smtp_rlm_limit = 0;
1081 int smtp_rlm_threshold = INT_MAX;
1082 int smtp_rlr_base = 0;
1083 double smtp_rlr_factor = 0.0;
1084 int smtp_rlr_limit = 0;
1085 int smtp_rlr_threshold = INT_MAX;
1086 BOOL smtp_use_pipelining = FALSE;
1087 BOOL smtp_use_size = FALSE;
1088
1089 #ifdef WITH_CONTENT_SCAN
1090 uschar *spamd_address = US"127.0.0.1 783";
1091 uschar *spam_bar = NULL;
1092 uschar *spam_report = NULL;
1093 uschar *spam_score = NULL;
1094 uschar *spam_score_int = NULL;
1095 #endif
1096 #ifdef EXPERIMENTAL_SPF
1097 uschar *spf_header_comment = NULL;
1098 uschar *spf_received = NULL;
1099 uschar *spf_result = NULL;
1100 uschar *spf_smtp_comment = NULL;
1101 #endif
1102
1103 BOOL split_spool_directory = FALSE;
1104 uschar *spool_directory = US SPOOL_DIRECTORY
1105 "\0<--------------Space to patch spool_directory->";
1106 #ifdef EXPERIMENTAL_SRS
1107 uschar *srs_config = NULL;
1108 uschar *srs_db_address = NULL;
1109 uschar *srs_db_key = NULL;
1110 int srs_hashlength = 6;
1111 int srs_hashmin = -1;
1112 int srs_maxage = 31;
1113 uschar *srs_orig_recipient = NULL;
1114 uschar *srs_orig_sender = NULL;
1115 uschar *srs_recipient = NULL;
1116 uschar *srs_secrets = NULL;
1117 uschar *srs_status = NULL;
1118 BOOL srs_usehash = TRUE;
1119 BOOL srs_usetimestamp = TRUE;
1120 #endif
1121 BOOL strict_acl_vars = FALSE;
1122 int string_datestamp_offset= -1;
1123 BOOL strip_excess_angle_brackets = FALSE;
1124 BOOL strip_trailing_dot = FALSE;
1125 uschar *submission_domain = NULL;
1126 BOOL submission_mode = FALSE;
1127 uschar *submission_name = NULL;
1128 BOOL suppress_local_fixups = FALSE;
1129 BOOL synchronous_delivery = FALSE;
1130 BOOL syslog_duplication = TRUE;
1131 int syslog_facility = LOG_MAIL;
1132 uschar *syslog_processname = US"exim";
1133 BOOL syslog_timestamp = TRUE;
1134 uschar *system_filter = NULL;
1135
1136 uschar *system_filter_directory_transport = NULL;
1137 uschar *system_filter_file_transport = NULL;
1138 uschar *system_filter_pipe_transport = NULL;
1139 uschar *system_filter_reply_transport = NULL;
1140
1141 gid_t system_filter_gid = 0;
1142 BOOL system_filter_gid_set = FALSE;
1143 uid_t system_filter_uid = 0;
1144 BOOL system_filter_uid_set = FALSE;
1145 BOOL system_filtering = FALSE;
1146
1147 BOOL tcp_nodelay = TRUE;
1148 int thismessage_size_limit = 0;
1149 int timeout_frozen_after = 0;
1150 BOOL timestamps_utc = FALSE;
1151
1152 transport_instance *transports = NULL;
1153
1154 transport_instance transport_defaults = {
1155 NULL, /* chain pointer */
1156 NULL, /* name */
1157 NULL, /* info */
1158 NULL, /* private options block pointer */
1159 NULL, /* driver name */
1160 NULL, /* setup entry point */
1161 1, /* batch_max */
1162 NULL, /* batch_id */
1163 NULL, /* home_dir */
1164 NULL, /* current_dir */
1165 TRUE, /* multi-domain */
1166 FALSE, /* overrides_hosts */
1167 100, /* max_addresses */
1168 500, /* connection_max_messages */
1169 FALSE, /* deliver_as_creator */
1170 FALSE, /* disable_logging */
1171 FALSE, /* initgroups */
1172 FALSE, /* uid_set */
1173 FALSE, /* gid_set */
1174 (uid_t)(-1), /* uid */
1175 (gid_t)(-1), /* gid */
1176 NULL, /* expand_uid */
1177 NULL, /* expand_gid */
1178 NULL, /* warn_message */
1179 NULL, /* shadow */
1180 NULL, /* shadow_condition */
1181 NULL, /* filter_command */
1182 NULL, /* add_headers */
1183 NULL, /* remove_headers */
1184 NULL, /* return_path */
1185 NULL, /* debug_string */
1186 NULL, /* message_size_limit */
1187 NULL, /* headers_rewrite */
1188 NULL, /* rewrite_rules */
1189 0, /* rewrite_existflags */
1190 300, /* filter_timeout */
1191 FALSE, /* body_only */
1192 FALSE, /* delivery_date_add */
1193 FALSE, /* envelope_to_add */
1194 FALSE, /* headers_only */
1195 FALSE, /* rcpt_include_affixes */
1196 FALSE, /* return_path_add */
1197 FALSE, /* return_output */
1198 FALSE, /* return_fail_output */
1199 FALSE, /* log_output */
1200 FALSE, /* log_fail_output */
1201 FALSE, /* log_defer_output */
1202 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1203 1 nor 0 so can detect unset */
1204 };
1205
1206 int transport_count;
1207 uschar **transport_filter_argv = NULL;
1208 int transport_filter_timeout;
1209 BOOL transport_filter_timed_out = FALSE;
1210 int transport_write_timeout= 0;
1211
1212 tree_node *tree_dns_fails = NULL;
1213 tree_node *tree_duplicates = NULL;
1214 tree_node *tree_nonrecipients = NULL;
1215 tree_node *tree_unusable = NULL;
1216
1217 BOOL trusted_caller = FALSE;
1218 gid_t *trusted_groups = NULL;
1219 uid_t *trusted_users = NULL;
1220 uschar *timezone_string = US TIMEZONE_DEFAULT;
1221
1222 uschar *unknown_login = NULL;
1223 uschar *unknown_username = NULL;
1224 uschar *untrusted_set_sender = NULL;
1225
1226 /* A regex for matching a "From_" line in an incoming message, in the form
1227
1228 From ph10 Fri Jan 5 12:35 GMT 1996
1229
1230 which the "mail" commands send to the MTA (undocumented, of course), or in
1231 the form
1232
1233 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1234
1235 which is apparently used by some UUCPs, despite it not being in RFC 976.
1236 Because of variations in time formats, just match up to the minutes. That
1237 should be sufficient. Examples have been seen of time fields like 12:1:03,
1238 so just require one digit for hours and minutes. The weekday is also absent
1239 in some forms. */
1240
1241 uschar *uucp_from_pattern = US
1242 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1243 "(?:" /* Non-extracting bracket */
1244 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1245 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1246 ")" /* End alternation */
1247 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1248
1249 uschar *uucp_from_sender = US"$1";
1250
1251 uschar *warn_message_file = NULL;
1252 uschar *warnmsg_delay = NULL;
1253 uschar *warnmsg_recipients = NULL;
1254 BOOL write_rejectlog = TRUE;
1255
1256 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1257 uschar *version_date = US"?";
1258 uschar *version_cnumber = US"????";
1259 uschar *version_string = US"?";
1260
1261 int warning_count = 0;
1262
1263 /* End of globals.c */
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