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Integrated SPF Best Guess. Fixes: bug #521
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.81 2008/02/12 12:52:51 nm4 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 { "client_condition", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, client_condition)) },
37 { "driver", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, driver_name)) },
39 { "public_name", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, public_name)) },
41 { "server_advertise_condition", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, advertise_condition))},
43 { "server_condition", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, server_condition)) },
45 { "server_debug_print", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, server_debug_string)) },
47 { "server_mail_auth_condition", opt_stringptr | opt_public,
48 (void *)(offsetof(auth_instance, mail_auth_condition)) },
49 { "server_set_id", opt_stringptr | opt_public,
50 (void *)(offsetof(auth_instance, set_id)) }
51 };
52
53 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
54
55 /* An empty host aliases list. */
56
57 uschar *no_aliases = NULL;
58
59
60 /* For comments on these variables, see globals.h. I'm too idle to
61 duplicate them here... */
62
63 #ifdef EXIM_PERL
64 uschar *opt_perl_startup = NULL;
65 BOOL opt_perl_at_start = FALSE;
66 BOOL opt_perl_started = FALSE;
67 #endif
68
69 #ifdef EXPAND_DLFUNC
70 tree_node *dlobj_anchor = NULL;
71 #endif
72
73 #ifdef LOOKUP_IBASE
74 uschar *ibase_servers = NULL;
75 #endif
76
77 #ifdef LOOKUP_LDAP
78 uschar *eldap_default_servers = NULL;
79 int eldap_version = -1;
80 #endif
81
82 #ifdef LOOKUP_MYSQL
83 uschar *mysql_servers = NULL;
84 #endif
85
86 #ifdef LOOKUP_ORACLE
87 uschar *oracle_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_PGSQL
91 uschar *pgsql_servers = NULL;
92 #endif
93
94 #ifdef LOOKUP_SQLITE
95 int sqlite_lock_timeout = 5;
96 #endif
97
98 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
99 BOOL move_frozen_messages = FALSE;
100 #endif
101
102 /* These variables are outside the #ifdef because it keeps the code less
103 cluttered in several places (e.g. during logging) if we can always refer to
104 them. Also, the tls_ variables are now always visible. */
105
106 BOOL tls_active = -1;
107 BOOL tls_certificate_verified = FALSE;
108 uschar *tls_cipher = NULL;
109 BOOL tls_on_connect = FALSE;
110 uschar *tls_on_connect_ports = NULL;
111 uschar *tls_peerdn = NULL;
112
113 #ifdef SUPPORT_TLS
114 uschar *gnutls_require_mac = NULL;
115 uschar *gnutls_require_kx = NULL;
116 uschar *gnutls_require_proto = NULL;
117 const pcre *regex_STARTTLS = NULL;
118 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
119 uschar *tls_certificate = NULL;
120 uschar *tls_crl = NULL;
121 uschar *tls_dhparam = NULL;
122 BOOL tls_offered = FALSE;
123 uschar *tls_privatekey = NULL;
124 BOOL tls_remember_esmtp = FALSE;
125 uschar *tls_require_ciphers = NULL;
126 uschar *tls_try_verify_hosts = NULL;
127 uschar *tls_verify_certificates= NULL;
128 uschar *tls_verify_hosts = NULL;
129 #endif
130
131
132 /* Input-reading functions for messages, so we can use special ones for
133 incoming TCP/IP. The defaults use stdin. We never need these for any
134 stand-alone tests. */
135
136 #ifndef STAND_ALONE
137 int (*receive_getc)(void) = stdin_getc;
138 int (*receive_ungetc)(int) = stdin_ungetc;
139 int (*receive_feof)(void) = stdin_feof;
140 int (*receive_ferror)(void) = stdin_ferror;
141 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
142 #endif
143
144
145 /* List of per-address expansion variables for clearing and saving/restoring
146 when verifying one address while routing/verifying another. We have to have
147 the size explicit, because it is referenced from more than one module. */
148
149 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
150 &deliver_address_data,
151 &deliver_domain,
152 &deliver_domain_data,
153 &deliver_domain_orig,
154 &deliver_domain_parent,
155 &deliver_localpart,
156 &deliver_localpart_data,
157 &deliver_localpart_orig,
158 &deliver_localpart_parent,
159 &deliver_localpart_prefix,
160 &deliver_localpart_suffix,
161 (uschar **)(&deliver_recipients),
162 &deliver_host,
163 &deliver_home,
164 &address_file,
165 &address_pipe,
166 &self_hostname,
167 NULL };
168
169 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
170
171 /* General global variables */
172
173 header_line *acl_added_headers = NULL;
174 tree_node *acl_anchor = NULL;
175
176 uschar *acl_not_smtp = NULL;
177 #ifdef WITH_CONTENT_SCAN
178 uschar *acl_not_smtp_mime = NULL;
179 #endif
180 uschar *acl_not_smtp_start = NULL;
181
182 uschar *acl_smtp_auth = NULL;
183 uschar *acl_smtp_connect = NULL;
184 uschar *acl_smtp_data = NULL;
185 uschar *acl_smtp_etrn = NULL;
186 uschar *acl_smtp_expn = NULL;
187 uschar *acl_smtp_helo = NULL;
188 uschar *acl_smtp_mail = NULL;
189 uschar *acl_smtp_mailauth = NULL;
190 #ifdef WITH_CONTENT_SCAN
191 uschar *acl_smtp_mime = NULL;
192 #endif
193 uschar *acl_smtp_notquit = NULL;
194 uschar *acl_smtp_predata = NULL;
195 uschar *acl_smtp_quit = NULL;
196 uschar *acl_smtp_rcpt = NULL;
197 uschar *acl_smtp_starttls = NULL;
198 uschar *acl_smtp_vrfy = NULL;
199
200 BOOL acl_temp_details = FALSE;
201 tree_node *acl_var_c = NULL;
202 tree_node *acl_var_m = NULL;
203 uschar *acl_verify_message = NULL;
204 string_item *acl_warn_logged = NULL;
205
206 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
207 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
208
209 uschar *acl_wherenames[] = { US"RCPT",
210 US"MAIL",
211 US"PREDATA",
212 US"MIME",
213 US"DATA",
214 US"non-SMTP",
215 US"AUTH",
216 US"connection",
217 US"ETRN",
218 US"EXPN",
219 US"EHLO or HELO",
220 US"MAILAUTH",
221 US"non-SMTP-start",
222 US"NOTQUIT",
223 US"QUIT",
224 US"STARTTLS",
225 US"VRFY"
226 };
227
228 uschar *acl_wherecodes[] = { US"550", /* RCPT */
229 US"550", /* MAIL */
230 US"550", /* PREDATA */
231 US"550", /* MIME */
232 US"550", /* DATA */
233 US"0", /* not SMTP; not relevant */
234 US"503", /* AUTH */
235 US"550", /* connect */
236 US"458", /* ETRN */
237 US"550", /* EXPN */
238 US"550", /* HELO/EHLO */
239 US"0", /* MAILAUTH; not relevant */
240 US"0", /* not SMTP; not relevant */
241 US"0", /* NOTQUIT; not relevant */
242 US"0", /* QUIT; not relevant */
243 US"550", /* STARTTLS */
244 US"252" /* VRFY */
245 };
246
247 BOOL active_local_from_check = FALSE;
248 BOOL active_local_sender_retain = FALSE;
249 BOOL accept_8bitmime = FALSE;
250 address_item *addr_duplicate = NULL;
251
252 address_item address_defaults = {
253 NULL, /* next */
254 NULL, /* parent */
255 NULL, /* first */
256 NULL, /* dupof */
257 NULL, /* start_router */
258 NULL, /* router */
259 NULL, /* transport */
260 NULL, /* host_list */
261 NULL, /* host_used */
262 NULL, /* fallback_hosts */
263 NULL, /* reply */
264 NULL, /* retries */
265 NULL, /* address */
266 NULL, /* unique */
267 NULL, /* cc_local_part */
268 NULL, /* lc_local_part */
269 NULL, /* local_part */
270 NULL, /* prefix */
271 NULL, /* suffix */
272 NULL, /* domain */
273 NULL, /* address_retry_key */
274 NULL, /* domain_retry_key */
275 NULL, /* current_dir */
276 NULL, /* home_dir */
277 NULL, /* message */
278 NULL, /* user_message */
279 NULL, /* onetime_parent */
280 NULL, /* pipe_expandn */
281 NULL, /* return_filename */
282 NULL, /* self_hostname */
283 NULL, /* shadow_message */
284 #ifdef SUPPORT_TLS
285 NULL, /* cipher */
286 NULL, /* peerdn */
287 #endif
288 (uid_t)(-1), /* uid */
289 (gid_t)(-1), /* gid */
290 0, /* flags */
291 { 0 }, /* domain_cache - any larger array should be zeroed */
292 { 0 }, /* localpart_cache - ditto */
293 -1, /* mode */
294 0, /* more_errno */
295 ERRNO_UNKNOWNERROR, /* basic_errno */
296 0, /* child_count */
297 -1, /* return_file */
298 SPECIAL_NONE, /* special_action */
299 DEFER, /* transport_return */
300 { /* fields that are propagated to children */
301 NULL, /* address_data */
302 NULL, /* domain_data */
303 NULL, /* localpart_data */
304 NULL, /* errors_address */
305 NULL, /* extra_headers */
306 NULL, /* remove_headers */
307 #ifdef EXPERIMENTAL_SRS
308 NULL, /* srs_sender */
309 #endif
310 }
311 };
312
313 uschar *address_file = NULL;
314 uschar *address_pipe = NULL;
315 BOOL address_test_mode = FALSE;
316 tree_node *addresslist_anchor = NULL;
317 int addresslist_count = 0;
318 gid_t *admin_groups = NULL;
319 BOOL admin_user = FALSE;
320 BOOL allow_auth_unadvertised= FALSE;
321 BOOL allow_domain_literals = FALSE;
322 BOOL allow_mx_to_ip = FALSE;
323 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
324 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
325 BOOL allow_utf8_domains = FALSE;
326 uschar *authenticated_id = NULL;
327 uschar *authenticated_sender = NULL;
328 BOOL authentication_failed = FALSE;
329 auth_instance *auths = NULL;
330 uschar *auth_advertise_hosts = US"*";
331 auth_instance auth_defaults = {
332 NULL, /* chain pointer */
333 NULL, /* name */
334 NULL, /* info */
335 NULL, /* private options block pointer */
336 NULL, /* driver_name */
337 NULL, /* advertise_condition */
338 NULL, /* client_condition */
339 NULL, /* public_name */
340 NULL, /* set_id */
341 NULL, /* server_mail_auth_condition */
342 NULL, /* server_debug_string */
343 NULL, /* server_condition */
344 FALSE, /* client */
345 FALSE, /* server */
346 FALSE /* advertised */
347 };
348
349 uschar *auth_defer_msg = US"reason not recorded";
350 uschar *auth_defer_user_msg = US"";
351 uschar *auth_vars[AUTH_VARS];
352 int auto_thaw = 0;
353 #ifdef WITH_CONTENT_SCAN
354 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
355 #endif
356
357 BOOL background_daemon = TRUE;
358
359 #if BASE_62 == 62
360 uschar *base62_chars=
361 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
362 #else
363 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
364 #endif
365
366 uschar *bi_command = NULL;
367 uschar *big_buffer = NULL;
368 int big_buffer_size = BIG_BUFFER_SIZE;
369 #ifdef EXPERIMENTAL_BRIGHTMAIL
370 uschar *bmi_alt_location = NULL;
371 uschar *bmi_base64_tracker_verdict = NULL;
372 uschar *bmi_base64_verdict = NULL;
373 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
374 int bmi_deliver = 1;
375 int bmi_run = 0;
376 uschar *bmi_verdicts = NULL;
377 #endif
378 int body_linecount = 0;
379 int body_zerocount = 0;
380 uschar *bounce_message_file = NULL;
381 uschar *bounce_message_text = NULL;
382 uschar *bounce_recipient = NULL;
383 BOOL bounce_return_body = TRUE;
384 BOOL bounce_return_message = TRUE;
385 int bounce_return_size_limit = 100*1024;
386 uschar *bounce_sender_authentication = NULL;
387 int bsmtp_transaction_linecount = 0;
388
389 int callout_cache_domain_positive_expire = 7*24*60*60;
390 int callout_cache_domain_negative_expire = 3*60*60;
391 int callout_cache_positive_expire = 24*60*60;
392 int callout_cache_negative_expire = 2*60*60;
393 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
394 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
395 int check_log_inodes = 0;
396 int check_log_space = 0;
397 BOOL check_rfc2047_length = TRUE;
398 int check_spool_inodes = 0;
399 int check_spool_space = 0;
400 int clmacro_count = 0;
401 uschar *clmacros[MAX_CLMACROS];
402 BOOL config_changed = FALSE;
403 FILE *config_file = NULL;
404 uschar *config_filename = NULL;
405 int config_lineno = 0;
406 #ifdef CONFIGURE_GROUP
407 gid_t config_gid = CONFIGURE_GROUP;
408 #endif
409 uschar *config_main_filelist = US CONFIGURE_FILE
410 "\0<-----------Space to patch configure_filename->";
411 uschar *config_main_filename = NULL;
412
413 #ifdef CONFIGURE_OWNER
414 uid_t config_uid = CONFIGURE_OWNER;
415 #endif
416
417 int connection_max_messages= -1;
418 uschar *continue_hostname = NULL;
419 uschar *continue_host_address = NULL;
420 BOOL continue_more = FALSE;
421 int continue_sequence = 1;
422 uschar *continue_transport = NULL;
423
424 uschar *csa_status = NULL;
425
426 BOOL daemon_listen = FALSE;
427 uschar *daemon_smtp_port = US"smtp";
428 int daemon_startup_retries = 9;
429 int daemon_startup_sleep = 30;
430
431 #ifdef EXPERIMENTAL_DCC
432 BOOL dcc_direct_add_header = FALSE;
433 uschar *dcc_header = NULL;
434 uschar *dcc_result = NULL;
435 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
436 uschar *dccifd_options = US"header";
437 #endif
438
439 BOOL debug_daemon = FALSE;
440 int debug_fd = -1;
441 FILE *debug_file = NULL;
442 bit_table debug_options[] = {
443 { US"acl", D_acl },
444 { US"all", D_all },
445 { US"auth", D_auth },
446 { US"deliver", D_deliver },
447 { US"dns", D_dns },
448 { US"dnsbl", D_dnsbl },
449 { US"exec", D_exec },
450 { US"expand", D_expand },
451 { US"filter", D_filter },
452 { US"hints_lookup", D_hints_lookup },
453 { US"host_lookup", D_host_lookup },
454 { US"ident", D_ident },
455 { US"interface", D_interface },
456 { US"lists", D_lists },
457 { US"load", D_load },
458 { US"local_scan", D_local_scan },
459 { US"lookup", D_lookup },
460 { US"memory", D_memory },
461 { US"pid", D_pid },
462 { US"process_info", D_process_info },
463 { US"queue_run", D_queue_run },
464 { US"receive", D_receive },
465 { US"resolver", D_resolver },
466 { US"retry", D_retry },
467 { US"rewrite", D_rewrite },
468 { US"route", D_route },
469 { US"timestamp", D_timestamp },
470 { US"tls", D_tls },
471 { US"transport", D_transport },
472 { US"uid", D_uid },
473 { US"verify", D_verify }
474 };
475 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
476 unsigned int debug_selector = 0;
477 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
478 uschar *delay_warning_condition=
479 US"${if or {"
480 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
481 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
482 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
483 "} {no}{yes}}";
484 BOOL delivery_date_remove = TRUE;
485 uschar *deliver_address_data = NULL;
486 int deliver_datafile = -1;
487 uschar *deliver_domain = NULL;
488 uschar *deliver_domain_data = NULL;
489 uschar *deliver_domain_orig = NULL;
490 uschar *deliver_domain_parent = NULL;
491 BOOL deliver_drop_privilege = FALSE;
492 BOOL deliver_firsttime = FALSE;
493 BOOL deliver_force = FALSE;
494 BOOL deliver_freeze = FALSE;
495 int deliver_frozen_at = 0;
496 uschar *deliver_home = NULL;
497 uschar *deliver_host = NULL;
498 uschar *deliver_host_address = NULL;
499 uschar *deliver_in_buffer = NULL;
500 ino_t deliver_inode = 0;
501 uschar *deliver_localpart = NULL;
502 uschar *deliver_localpart_data = NULL;
503 uschar *deliver_localpart_orig = NULL;
504 uschar *deliver_localpart_parent = NULL;
505 uschar *deliver_localpart_prefix = NULL;
506 uschar *deliver_localpart_suffix = NULL;
507 BOOL deliver_force_thaw = FALSE;
508 BOOL deliver_manual_thaw = FALSE;
509 uschar *deliver_out_buffer = NULL;
510 int deliver_queue_load_max = -1;
511 address_item *deliver_recipients = NULL;
512 uschar *deliver_selectstring = NULL;
513 BOOL deliver_selectstring_regex = FALSE;
514 uschar *deliver_selectstring_sender = NULL;
515 BOOL deliver_selectstring_sender_regex = FALSE;
516 #ifdef WITH_OLD_DEMIME
517 int demime_errorlevel = 0;
518 int demime_ok = 0;
519 uschar *demime_reason = NULL;
520 #endif
521 BOOL disable_callout_flush = FALSE;
522 BOOL disable_delay_flush = FALSE;
523 #ifdef ENABLE_DISABLE_FSYNC
524 BOOL disable_fsync = FALSE;
525 #endif
526 BOOL disable_ipv6 = FALSE;
527 BOOL disable_logging = FALSE;
528
529 #ifdef EXPERIMENTAL_DOMAINKEYS
530 uschar *dk_signing_domain = NULL;
531 uschar *dk_signing_selector = NULL;
532 int dk_do_verify = 0;
533 #endif
534
535 #ifdef EXPERIMENTAL_DKIM
536 uschar *dkim_signing_domain = NULL;
537 uschar *dkim_signing_selector = NULL;
538 int dkim_do_verify = 0;
539 #endif
540
541 uschar *dns_again_means_nonexist = NULL;
542 int dns_csa_search_limit = 5;
543 BOOL dns_csa_use_reverse = TRUE;
544 uschar *dns_ipv4_lookup = NULL;
545 int dns_retrans = 0;
546 int dns_retry = 0;
547 uschar *dnslist_domain = NULL;
548 uschar *dnslist_matched = NULL;
549 uschar *dnslist_text = NULL;
550 uschar *dnslist_value = NULL;
551 tree_node *domainlist_anchor = NULL;
552 int domainlist_count = 0;
553 BOOL dont_deliver = FALSE;
554 BOOL dot_ends = TRUE;
555 BOOL drop_cr = FALSE; /* No longer used */
556 uschar *dsn_from = US DEFAULT_DSN_FROM;
557
558 BOOL enable_dollar_recipients = FALSE;
559 BOOL envelope_to_remove = TRUE;
560 int errno_quota = ERRNO_QUOTA;
561 uschar *errors_copy = NULL;
562 int error_handling = ERRORS_SENDER;
563 uschar *errors_reply_to = NULL;
564 int errors_sender_rc = EXIT_FAILURE;
565
566 gid_t exim_gid = EXIM_GID;
567 BOOL exim_gid_set = TRUE; /* This gid is always set */
568 uschar *exim_path = US BIN_DIRECTORY "/exim"
569 "\0<---------------Space to patch exim_path->";
570 uid_t exim_uid = EXIM_UID;
571 BOOL exim_uid_set = TRUE; /* This uid is always set */
572 int expand_forbid = 0;
573 int expand_nlength[EXPAND_MAXN+1];
574 int expand_nmax = -1;
575 uschar *expand_nstring[EXPAND_MAXN+1];
576 BOOL expand_string_forcedfail = FALSE;
577 uschar *expand_string_message;
578 BOOL extract_addresses_remove_arguments = TRUE;
579 uschar *extra_local_interfaces = NULL;
580
581 int fake_response = OK;
582 uschar *fake_response_text = US"Your message has been rejected but is "
583 "being kept for evaluation.\nIf it was a "
584 "legitimate message, it may still be "
585 "delivered to the target recipient(s).";
586 int filter_n[FILTER_VARIABLE_COUNT];
587 BOOL filter_running = FALSE;
588 int filter_sn[FILTER_VARIABLE_COUNT];
589 int filter_test = FTEST_NONE;
590 uschar *filter_test_sfile = NULL;
591 uschar *filter_test_ufile = NULL;
592 uschar *filter_thisaddress = NULL;
593 int finduser_retries = 0;
594 #ifdef WITH_OLD_DEMIME
595 uschar *found_extension = NULL;
596 #endif
597 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
598 uschar *freeze_tell = NULL;
599 uschar *freeze_tell_config = NULL;
600 uschar *fudged_queue_times = US"";
601
602 uschar *gecos_name = NULL;
603 uschar *gecos_pattern = NULL;
604 rewrite_rule *global_rewrite_rules = NULL;
605
606 uschar *headers_charset = US HEADERS_CHARSET;
607 int header_insert_maxlen = 64 * 1024;
608 header_line *header_last = NULL;
609 header_line *header_list = NULL;
610 int header_maxsize = HEADER_MAXSIZE;
611 int header_line_maxsize = 0;
612
613 header_name header_names[] = {
614 { US"bcc", 3, TRUE, htype_bcc },
615 { US"cc", 2, TRUE, htype_cc },
616 { US"date", 4, TRUE, htype_date },
617 { US"delivery-date", 13, FALSE, htype_delivery_date },
618 { US"envelope-to", 11, FALSE, htype_envelope_to },
619 { US"from", 4, TRUE, htype_from },
620 { US"message-id", 10, TRUE, htype_id },
621 { US"received", 8, FALSE, htype_received },
622 { US"reply-to", 8, FALSE, htype_reply_to },
623 { US"return-path", 11, FALSE, htype_return_path },
624 { US"sender", 6, TRUE, htype_sender },
625 { US"subject", 7, FALSE, htype_subject },
626 { US"to", 2, TRUE, htype_to }
627 };
628
629 int header_names_size = sizeof(header_names)/sizeof(header_name);
630
631 BOOL header_rewritten = FALSE;
632 uschar *helo_accept_junk_hosts = NULL;
633 uschar *helo_allow_chars = US"";
634 uschar *helo_lookup_domains = US"@ : @[]";
635 uschar *helo_try_verify_hosts = NULL;
636 BOOL helo_verified = FALSE;
637 BOOL helo_verify_failed = FALSE;
638 uschar *helo_verify_hosts = NULL;
639 uschar *hex_digits = US"0123456789abcdef";
640 uschar *hold_domains = NULL;
641 BOOL host_checking = FALSE;
642 BOOL host_checking_callout = FALSE;
643 uschar *host_data = NULL;
644 BOOL host_find_failed_syntax= FALSE;
645 uschar *host_lookup = NULL;
646 BOOL host_lookup_deferred = FALSE;
647 BOOL host_lookup_failed = FALSE;
648 uschar *host_lookup_order = US"bydns:byaddr";
649 uschar *host_lookup_msg = US"";
650 int host_number = 0;
651 uschar *host_number_string = NULL;
652 uschar *host_reject_connection = NULL;
653 tree_node *hostlist_anchor = NULL;
654 int hostlist_count = 0;
655 uschar *hosts_treat_as_local = NULL;
656 uschar *hosts_connection_nolog = NULL;
657
658 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
659 BOOL ignore_fromline_local = FALSE;
660 uschar *ignore_fromline_hosts = NULL;
661 uschar *interface_address = NULL;
662 int interface_port = -1;
663 BOOL is_inetd = FALSE;
664 uschar *iterate_item = NULL;
665
666 int journal_fd = -1;
667
668 int keep_malformed = 4*24*60*60; /* 4 days */
669
670 uschar *eldap_dn = NULL;
671 int load_average = -2;
672 BOOL local_error_message = FALSE;
673 BOOL local_from_check = TRUE;
674 uschar *local_from_prefix = NULL;
675 uschar *local_from_suffix = NULL;
676
677 #if HAVE_IPV6
678 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
679 #else
680 uschar *local_interfaces = US"0.0.0.0";
681 #endif
682
683 uschar *local_scan_data = NULL;
684 int local_scan_timeout = 5*60;
685 BOOL local_sender_retain = FALSE;
686 gid_t local_user_gid = (gid_t)(-1);
687 uid_t local_user_uid = (uid_t)(-1);
688
689 tree_node *localpartlist_anchor= NULL;
690 int localpartlist_count = 0;
691 uschar *log_buffer = NULL;
692 unsigned int log_extra_selector = LX_default;
693 uschar *log_file_path = US LOG_FILE_PATH
694 "\0<--------------Space to patch log_file_path->";
695
696 /* Those log options with L_xxx identifiers have values less than 0x800000 and
697 are the ones that get put into log_write_selector. They can be used in calls to
698 log_write() to test for the bit. The options with LX_xxx identifiers have
699 values greater than 0x80000000 and are put int log_extra_selector (without the
700 top bit). They are never used in calls to log_write(), but are tested
701 independently. This separation became necessary when the number of log
702 selectors was getting close to filling a 32-bit word. */
703
704 /* Note that this list must be in alphabetical order. */
705
706 bit_table log_options[] = {
707 { US"acl_warn_skipped", LX_acl_warn_skipped },
708 { US"address_rewrite", L_address_rewrite },
709 { US"all", L_all },
710 { US"all_parents", L_all_parents },
711 { US"arguments", LX_arguments },
712 { US"connection_reject", L_connection_reject },
713 { US"delay_delivery", L_delay_delivery },
714 { US"deliver_time", LX_deliver_time },
715 { US"delivery_size", LX_delivery_size },
716 { US"dnslist_defer", L_dnslist_defer },
717 { US"etrn", L_etrn },
718 { US"host_lookup_failed", L_host_lookup_failed },
719 { US"ident_timeout", LX_ident_timeout },
720 { US"incoming_interface", LX_incoming_interface },
721 { US"incoming_port", LX_incoming_port },
722 { US"lost_incoming_connection", L_lost_incoming_connection },
723 { US"outgoing_port", LX_outgoing_port },
724 { US"pid", LX_pid },
725 { US"queue_run", L_queue_run },
726 { US"queue_time", LX_queue_time },
727 { US"queue_time_overall", LX_queue_time_overall },
728 { US"received_recipients", LX_received_recipients },
729 { US"received_sender", LX_received_sender },
730 { US"rejected_header", LX_rejected_header },
731 { US"rejected_headers", LX_rejected_header },
732 { US"retry_defer", L_retry_defer },
733 { US"return_path_on_delivery", LX_return_path_on_delivery },
734 { US"sender_on_delivery", LX_sender_on_delivery },
735 { US"sender_verify_fail", LX_sender_verify_fail },
736 { US"size_reject", L_size_reject },
737 { US"skip_delivery", L_skip_delivery },
738 { US"smtp_confirmation", LX_smtp_confirmation },
739 { US"smtp_connection", L_smtp_connection },
740 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
741 { US"smtp_no_mail", LX_smtp_no_mail },
742 { US"smtp_protocol_error", L_smtp_protocol_error },
743 { US"smtp_syntax_error", L_smtp_syntax_error },
744 { US"subject", LX_subject },
745 { US"tls_certificate_verified", LX_tls_certificate_verified },
746 { US"tls_cipher", LX_tls_cipher },
747 { US"tls_peerdn", LX_tls_peerdn },
748 { US"unknown_in_list", LX_unknown_in_list }
749 };
750
751 int log_options_count = sizeof(log_options)/sizeof(bit_table);
752 int log_reject_target = 0;
753 uschar *log_selector_string = NULL;
754 FILE *log_stderr = NULL;
755 BOOL log_testing_mode = FALSE;
756 BOOL log_timezone = FALSE;
757 unsigned int log_write_selector= L_default;
758 uschar *login_sender_address = NULL;
759 int lookup_open_max = 25;
760 uschar *lookup_value = NULL;
761
762 macro_item *macros = NULL;
763 uschar *mailstore_basename = NULL;
764 #ifdef WITH_CONTENT_SCAN
765 uschar *malware_name = NULL; /* Virus Name */
766 #endif
767 int max_received_linelength= 0;
768 int max_username_length = 0;
769 int message_age = 0;
770 uschar *message_body = NULL;
771 uschar *message_body_end = NULL;
772 BOOL message_body_newlines = FALSE;
773 int message_body_size = 0;
774 int message_body_visible = 500;
775 int message_ended = END_NOTSTARTED;
776 uschar *message_headers = NULL;
777 uschar *message_id;
778 uschar *message_id_domain = NULL;
779 uschar *message_id_text = NULL;
780 struct timeval message_id_tv = { 0, 0 };
781 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
782 uschar *message_id_external;
783 int message_linecount = 0;
784 BOOL message_logs = TRUE;
785 int message_size = 0;
786 uschar *message_size_limit = US"50M";
787 uschar message_subdir[2] = { 0, 0 };
788 uschar *message_reference = NULL;
789
790 /* MIME ACL expandables */
791 #ifdef WITH_CONTENT_SCAN
792 int mime_anomaly_level = 0;
793 uschar *mime_anomaly_text = NULL;
794 uschar *mime_boundary = NULL;
795 uschar *mime_charset = NULL;
796 uschar *mime_content_description = NULL;
797 uschar *mime_content_disposition = NULL;
798 uschar *mime_content_id = NULL;
799 unsigned int mime_content_size = 0;
800 uschar *mime_content_transfer_encoding = NULL;
801 uschar *mime_content_type = NULL;
802 uschar *mime_decoded_filename = NULL;
803 uschar *mime_filename = NULL;
804 int mime_is_multipart = 0;
805 int mime_is_coverletter = 0;
806 int mime_is_rfc822 = 0;
807 int mime_part_count = -1;
808 #endif
809
810 BOOL mua_wrapper = FALSE;
811
812 uid_t *never_users = NULL;
813 #ifdef WITH_CONTENT_SCAN
814 BOOL no_mbox_unspool = FALSE;
815 #endif
816 BOOL no_multiline_responses = FALSE;
817
818 uid_t original_euid;
819 gid_t originator_gid;
820 uschar *originator_login = NULL;
821 uschar *originator_name = NULL;
822 uid_t originator_uid;
823 uschar *override_local_interfaces = NULL;
824 uschar *override_pid_file_path = NULL;
825
826 BOOL parse_allow_group = FALSE;
827 BOOL parse_found_group = FALSE;
828 uschar *percent_hack_domains = NULL;
829 uschar *pid_file_path = US PID_FILE_PATH
830 "\0<--------------Space to patch pid_file_path->";
831 BOOL pipelining_enable = TRUE;
832 uschar *pipelining_advertise_hosts = US"*";
833 BOOL preserve_message_logs = FALSE;
834 uschar *primary_hostname = NULL;
835 BOOL print_topbitchars = FALSE;
836 uschar process_info[PROCESS_INFO_SIZE];
837 uschar *process_log_path = NULL;
838 BOOL prod_requires_admin = TRUE;
839 uschar *prvscheck_address = NULL;
840 uschar *prvscheck_keynum = NULL;
841 uschar *prvscheck_result = NULL;
842
843
844 uschar *qualify_domain_recipient = NULL;
845 uschar *qualify_domain_sender = NULL;
846 BOOL queue_2stage = FALSE;
847 uschar *queue_domains = NULL;
848 int queue_interval = -1;
849 BOOL queue_list_requires_admin = TRUE;
850 BOOL queue_only = FALSE;
851 uschar *queue_only_file = NULL;
852 int queue_only_load = -1;
853 BOOL queue_only_load_latch = TRUE;
854 BOOL queue_only_override = TRUE;
855 BOOL queue_only_policy = FALSE;
856 BOOL queue_run_first_delivery = FALSE;
857 BOOL queue_run_force = FALSE;
858 BOOL queue_run_in_order = FALSE;
859 BOOL queue_run_local = FALSE;
860 int queue_run_max = 5;
861 pid_t queue_run_pid = (pid_t)0;
862 int queue_run_pipe = -1;
863 BOOL queue_running = FALSE;
864 BOOL queue_smtp = FALSE;
865 uschar *queue_smtp_domains = NULL;
866
867 unsigned int random_seed = 0;
868 tree_node *ratelimiters_cmd = NULL;
869 tree_node *ratelimiters_conn = NULL;
870 tree_node *ratelimiters_mail = NULL;
871 uschar *raw_active_hostname = NULL;
872 uschar *raw_sender = NULL;
873 uschar **raw_recipients = NULL;
874 int raw_recipients_count = 0;
875
876 int rcpt_count = 0;
877 int rcpt_fail_count = 0;
878 int rcpt_defer_count = 0;
879 gid_t real_gid;
880 uid_t real_uid;
881 BOOL really_exim = TRUE;
882 BOOL receive_call_bombout = FALSE;
883 int receive_linecount = 0;
884 int receive_messagecount = 0;
885 int receive_timeout = 0;
886 int received_count = 0;
887 uschar *received_for = NULL;
888
889 /* This is the default text for Received headers generated by Exim. The
890 date will be automatically added on the end. */
891
892 uschar *received_header_text = US
893 "Received: "
894 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
895 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
896 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
897 "by $primary_hostname "
898 "${if def:received_protocol {with $received_protocol}} "
899 #ifdef SUPPORT_TLS
900 "${if def:tls_cipher {($tls_cipher)\n\t}}"
901 #endif
902 "(Exim $version_number)\n\t"
903 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
904 "id $message_exim_id"
905 "${if def:received_for {\n\tfor $received_for}}"
906 "\0<---------------Space to patch received_header_text->";
907
908 int received_headers_max = 30;
909 uschar *received_protocol = NULL;
910 int received_time = 0;
911 uschar *recipient_data = NULL;
912 uschar *recipient_unqualified_hosts = NULL;
913 uschar *recipient_verify_failure = NULL;
914 int recipients_count = 0;
915 BOOL recipients_discarded = FALSE;
916 recipient_item *recipients_list = NULL;
917 int recipients_list_max = 0;
918 int recipients_max = 0;
919 BOOL recipients_max_reject = FALSE;
920 const pcre *regex_AUTH = NULL;
921 const pcre *regex_check_dns_names = NULL;
922 const pcre *regex_From = NULL;
923 const pcre *regex_IGNOREQUOTA = NULL;
924 const pcre *regex_PIPELINING = NULL;
925 const pcre *regex_SIZE = NULL;
926 const pcre *regex_smtp_code = NULL;
927 const pcre *regex_ismsgid = NULL;
928 #ifdef WITH_CONTENT_SCAN
929 uschar *regex_match_string = NULL;
930 #endif
931 int remote_delivery_count = 0;
932 int remote_max_parallel = 2;
933 uschar *remote_sort_domains = NULL;
934 int retry_data_expire = 7*24*60*60;
935 int retry_interval_max = 24*60*60;
936 int retry_maximum_timeout = 0; /* set from retry config */
937 retry_config *retries = NULL;
938 uschar *return_path = NULL;
939 BOOL return_path_remove = TRUE;
940 int rewrite_existflags = 0;
941 uschar *rfc1413_hosts = US"*";
942 int rfc1413_query_timeout = 5;
943 /* BOOL rfc821_domains = FALSE; <<< on the way out */
944 uid_t root_uid = ROOT_UID;
945
946 router_instance *routers = NULL;
947 router_instance router_defaults = {
948 NULL, /* chain pointer */
949 NULL, /* name */
950 NULL, /* info */
951 NULL, /* private options block pointer */
952 NULL, /* driver name */
953
954 NULL, /* address_data */
955 #ifdef EXPERIMENTAL_BRIGHTMAIL
956 NULL, /* bmi_rule */
957 #endif
958 NULL, /* cannot_route_message */
959 NULL, /* condition */
960 NULL, /* current_directory */
961 NULL, /* debug_string */
962 NULL, /* domains */
963 NULL, /* errors_to */
964 NULL, /* expand_gid */
965 NULL, /* expand_uid */
966 NULL, /* expand_more */
967 NULL, /* expand_unseen */
968 NULL, /* extra_headers */
969 NULL, /* fallback_hosts */
970 NULL, /* home_directory */
971 NULL, /* ignore_target_hosts */
972 NULL, /* local_parts */
973 NULL, /* pass_router_name */
974 NULL, /* prefix */
975 NULL, /* redirect_router_name */
976 NULL, /* remove_headers */
977 NULL, /* require_files */
978 NULL, /* router_home_directory */
979 US"freeze", /* self */
980 NULL, /* senders */
981 NULL, /* suffix */
982 NULL, /* translate_ip_address */
983 NULL, /* transport_name */
984
985 TRUE, /* address_test */
986 #ifdef EXPERIMENTAL_BRIGHTMAIL
987 FALSE, /* bmi_deliver_alternate */
988 FALSE, /* bmi_deliver_default */
989 FALSE, /* bmi_dont_deliver */
990 #endif
991 TRUE, /* expn */
992 FALSE, /* caseful_local_part */
993 FALSE, /* check_local_user */
994 FALSE, /* disable_logging */
995 FALSE, /* fail_verify_recipient */
996 FALSE, /* fail_verify_sender */
997 FALSE, /* gid_set */
998 FALSE, /* initgroups */
999 TRUE_UNSET, /* log_as_local */
1000 TRUE, /* more */
1001 FALSE, /* pass_on_timeout */
1002 FALSE, /* prefix_optional */
1003 TRUE, /* repeat_use */
1004 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1005 FALSE, /* same_domain_copy_routing */
1006 FALSE, /* self_rewrite */
1007 FALSE, /* suffix_optional */
1008 FALSE, /* verify_only */
1009 TRUE, /* verify_recipient */
1010 TRUE, /* verify_sender */
1011 FALSE, /* uid_set */
1012 FALSE, /* unseen */
1013
1014 self_freeze, /* self_code */
1015 (uid_t)(-1), /* uid */
1016 (gid_t)(-1), /* gid */
1017
1018 NULL, /* fallback_hostlist */
1019 NULL, /* transport instance */
1020 NULL, /* pass_router */
1021 NULL /* redirect_router */
1022 };
1023
1024 ip_address_item *running_interfaces = NULL;
1025 BOOL running_in_test_harness = FALSE;
1026
1027 /* This is a weird one. The following string gets patched in the binary by the
1028 script that sets up a copy of Exim for running in the test harness. It seems
1029 that compilers are now clever, and share constant strings if they can.
1030 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1031 make use of the end of this string in order to save space. So the patching then
1032 wrecks this. We defeat this optimization by adding some additional characters
1033 onto the end of the string. */
1034
1035 uschar *running_status = US">>>running<<<" "\0EXTRA";
1036
1037 int runrc = 0;
1038
1039 uschar *search_error_message = NULL;
1040 BOOL search_find_defer = FALSE;
1041 uschar *self_hostname = NULL;
1042 uschar *sender_address = NULL;
1043 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1044 uschar *sender_address_data = NULL;
1045 BOOL sender_address_forced = FALSE;
1046 uschar *sender_address_unrewritten = NULL;
1047 uschar *sender_data = NULL;
1048 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1049 uschar *sender_fullhost = NULL;
1050 uschar *sender_helo_name = NULL;
1051 uschar **sender_host_aliases = &no_aliases;
1052 uschar *sender_host_address = NULL;
1053 uschar *sender_host_authenticated = NULL;
1054 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1055 uschar *sender_host_name = NULL;
1056 int sender_host_port = 0;
1057 BOOL sender_host_notsocket = FALSE;
1058 BOOL sender_host_unknown = FALSE;
1059 uschar *sender_ident = NULL;
1060 BOOL sender_local = FALSE;
1061 BOOL sender_name_forced = FALSE;
1062 uschar *sender_rate = NULL;
1063 uschar *sender_rate_limit = NULL;
1064 uschar *sender_rate_period = NULL;
1065 uschar *sender_rcvhost = NULL;
1066 BOOL sender_set_untrusted = FALSE;
1067 uschar *sender_unqualified_hosts = NULL;
1068 uschar *sender_verify_failure = NULL;
1069 address_item *sender_verified_list = NULL;
1070 address_item *sender_verified_failed = NULL;
1071 int sender_verified_rc = -1;
1072 BOOL sender_verified_responded = FALSE;
1073 uschar *sending_ip_address = NULL;
1074 int sending_port = -1;
1075 volatile BOOL sigalrm_seen = FALSE;
1076 uschar **sighup_argv = NULL;
1077 int smtp_accept_count = 0;
1078 BOOL smtp_accept_keepalive = TRUE;
1079 int smtp_accept_max = 20;
1080 int smtp_accept_max_nonmail= 10;
1081 uschar *smtp_accept_max_nonmail_hosts = US"*";
1082 int smtp_accept_max_per_connection = 1000;
1083 uschar *smtp_accept_max_per_host = NULL;
1084 int smtp_accept_queue = 0;
1085 int smtp_accept_queue_per_connection = 10;
1086 int smtp_accept_reserve = 0;
1087 uschar *smtp_active_hostname = NULL;
1088 BOOL smtp_authenticated = FALSE;
1089 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1090 "Exim $version_number $tod_full"
1091 "\0<---------------Space to patch smtp_banner->";
1092 BOOL smtp_batched_input = FALSE;
1093 BOOL smtp_check_spool_space = TRUE;
1094 int smtp_ch_index = 0;
1095 uschar *smtp_cmd_argument = NULL;
1096 uschar *smtp_cmd_buffer = NULL;
1097 time_t smtp_connection_start = 0;
1098 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1099 int smtp_connect_backlog = 20;
1100 double smtp_delay_mail = 0.0;
1101 double smtp_delay_rcpt = 0.0;
1102 BOOL smtp_enforce_sync = TRUE;
1103 FILE *smtp_in = NULL;
1104 BOOL smtp_input = FALSE;
1105 int smtp_load_reserve = -1;
1106 int smtp_mailcmd_count = 0;
1107 FILE *smtp_out = NULL;
1108 uschar *smtp_etrn_command = NULL;
1109 BOOL smtp_etrn_serialize = TRUE;
1110 int smtp_max_synprot_errors= 3;
1111 int smtp_max_unknown_commands = 3;
1112 uschar *smtp_notquit_reason = NULL;
1113 uschar *smtp_ratelimit_hosts = NULL;
1114 uschar *smtp_ratelimit_mail = NULL;
1115 uschar *smtp_ratelimit_rcpt = NULL;
1116 uschar *smtp_read_error = US"";
1117 int smtp_receive_timeout = 5*60;
1118 uschar *smtp_reserve_hosts = NULL;
1119 BOOL smtp_return_error_details = FALSE;
1120 int smtp_rlm_base = 0;
1121 double smtp_rlm_factor = 0.0;
1122 int smtp_rlm_limit = 0;
1123 int smtp_rlm_threshold = INT_MAX;
1124 int smtp_rlr_base = 0;
1125 double smtp_rlr_factor = 0.0;
1126 int smtp_rlr_limit = 0;
1127 int smtp_rlr_threshold = INT_MAX;
1128 BOOL smtp_use_pipelining = FALSE;
1129 BOOL smtp_use_size = FALSE;
1130
1131 #ifdef WITH_CONTENT_SCAN
1132 uschar *spamd_address = US"127.0.0.1 783";
1133 uschar *spam_bar = NULL;
1134 uschar *spam_report = NULL;
1135 uschar *spam_score = NULL;
1136 uschar *spam_score_int = NULL;
1137 #endif
1138 #ifdef EXPERIMENTAL_SPF
1139 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1140 uschar *spf_header_comment = NULL;
1141 uschar *spf_received = NULL;
1142 uschar *spf_result = NULL;
1143 uschar *spf_smtp_comment = NULL;
1144 #endif
1145
1146 BOOL split_spool_directory = FALSE;
1147 uschar *spool_directory = US SPOOL_DIRECTORY
1148 "\0<--------------Space to patch spool_directory->";
1149 #ifdef EXPERIMENTAL_SRS
1150 uschar *srs_config = NULL;
1151 uschar *srs_db_address = NULL;
1152 uschar *srs_db_key = NULL;
1153 int srs_hashlength = 6;
1154 int srs_hashmin = -1;
1155 int srs_maxage = 31;
1156 uschar *srs_orig_recipient = NULL;
1157 uschar *srs_orig_sender = NULL;
1158 uschar *srs_recipient = NULL;
1159 uschar *srs_secrets = NULL;
1160 uschar *srs_status = NULL;
1161 BOOL srs_usehash = TRUE;
1162 BOOL srs_usetimestamp = TRUE;
1163 #endif
1164 BOOL strict_acl_vars = FALSE;
1165 int string_datestamp_offset= -1;
1166 BOOL strip_excess_angle_brackets = FALSE;
1167 BOOL strip_trailing_dot = FALSE;
1168 uschar *submission_domain = NULL;
1169 BOOL submission_mode = FALSE;
1170 uschar *submission_name = NULL;
1171 BOOL suppress_local_fixups = FALSE;
1172 BOOL synchronous_delivery = FALSE;
1173 BOOL syslog_duplication = TRUE;
1174 int syslog_facility = LOG_MAIL;
1175 uschar *syslog_processname = US"exim";
1176 BOOL syslog_timestamp = TRUE;
1177 uschar *system_filter = NULL;
1178
1179 uschar *system_filter_directory_transport = NULL;
1180 uschar *system_filter_file_transport = NULL;
1181 uschar *system_filter_pipe_transport = NULL;
1182 uschar *system_filter_reply_transport = NULL;
1183
1184 gid_t system_filter_gid = 0;
1185 BOOL system_filter_gid_set = FALSE;
1186 uid_t system_filter_uid = 0;
1187 BOOL system_filter_uid_set = FALSE;
1188 BOOL system_filtering = FALSE;
1189
1190 BOOL tcp_nodelay = TRUE;
1191 int test_harness_load_avg = 0;
1192 int thismessage_size_limit = 0;
1193 int timeout_frozen_after = 0;
1194 BOOL timestamps_utc = FALSE;
1195
1196 transport_instance *transports = NULL;
1197
1198 transport_instance transport_defaults = {
1199 NULL, /* chain pointer */
1200 NULL, /* name */
1201 NULL, /* info */
1202 NULL, /* private options block pointer */
1203 NULL, /* driver name */
1204 NULL, /* setup entry point */
1205 1, /* batch_max */
1206 NULL, /* batch_id */
1207 NULL, /* home_dir */
1208 NULL, /* current_dir */
1209 TRUE, /* multi-domain */
1210 FALSE, /* overrides_hosts */
1211 100, /* max_addresses */
1212 500, /* connection_max_messages */
1213 FALSE, /* deliver_as_creator */
1214 FALSE, /* disable_logging */
1215 FALSE, /* initgroups */
1216 FALSE, /* uid_set */
1217 FALSE, /* gid_set */
1218 (uid_t)(-1), /* uid */
1219 (gid_t)(-1), /* gid */
1220 NULL, /* expand_uid */
1221 NULL, /* expand_gid */
1222 NULL, /* warn_message */
1223 NULL, /* shadow */
1224 NULL, /* shadow_condition */
1225 NULL, /* filter_command */
1226 NULL, /* add_headers */
1227 NULL, /* remove_headers */
1228 NULL, /* return_path */
1229 NULL, /* debug_string */
1230 NULL, /* message_size_limit */
1231 NULL, /* headers_rewrite */
1232 NULL, /* rewrite_rules */
1233 0, /* rewrite_existflags */
1234 300, /* filter_timeout */
1235 FALSE, /* body_only */
1236 FALSE, /* delivery_date_add */
1237 FALSE, /* envelope_to_add */
1238 FALSE, /* headers_only */
1239 FALSE, /* rcpt_include_affixes */
1240 FALSE, /* return_path_add */
1241 FALSE, /* return_output */
1242 FALSE, /* return_fail_output */
1243 FALSE, /* log_output */
1244 FALSE, /* log_fail_output */
1245 FALSE, /* log_defer_output */
1246 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1247 1 nor 0 so can detect unset */
1248 };
1249
1250 int transport_count;
1251 uschar **transport_filter_argv = NULL;
1252 int transport_filter_timeout;
1253 BOOL transport_filter_timed_out = FALSE;
1254 int transport_write_timeout= 0;
1255
1256 tree_node *tree_dns_fails = NULL;
1257 tree_node *tree_duplicates = NULL;
1258 tree_node *tree_nonrecipients = NULL;
1259 tree_node *tree_unusable = NULL;
1260
1261 BOOL trusted_caller = FALSE;
1262 gid_t *trusted_groups = NULL;
1263 uid_t *trusted_users = NULL;
1264 uschar *timezone_string = US TIMEZONE_DEFAULT;
1265
1266 uschar *unknown_login = NULL;
1267 uschar *unknown_username = NULL;
1268 uschar *untrusted_set_sender = NULL;
1269
1270 /* A regex for matching a "From_" line in an incoming message, in the form
1271
1272 From ph10 Fri Jan 5 12:35 GMT 1996
1273
1274 which the "mail" commands send to the MTA (undocumented, of course), or in
1275 the form
1276
1277 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1278
1279 which is apparently used by some UUCPs, despite it not being in RFC 976.
1280 Because of variations in time formats, just match up to the minutes. That
1281 should be sufficient. Examples have been seen of time fields like 12:1:03,
1282 so just require one digit for hours and minutes. The weekday is also absent
1283 in some forms. */
1284
1285 uschar *uucp_from_pattern = US
1286 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1287 "(?:" /* Non-extracting bracket */
1288 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1289 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1290 ")" /* End alternation */
1291 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1292
1293 uschar *uucp_from_sender = US"$1";
1294
1295 uschar *warn_message_file = NULL;
1296 uschar *warnmsg_delay = NULL;
1297 uschar *warnmsg_recipients = NULL;
1298 BOOL write_rejectlog = TRUE;
1299
1300 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1301 uschar *version_date = US"?";
1302 uschar *version_cnumber = US"????";
1303 uschar *version_string = US"?";
1304
1305 int warning_count = 0;
1306
1307 /* End of globals.c */
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