1 /* $Cambridge: exim/src/src/globals.c,v 1.59 2006/09/25 10:14:20 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2006 */
8 /* See the file NOTICE for conditions of use and distribution. */
10 /* All the global variables are defined together in this one module, so
11 that they are easy to find. */
16 /* The OSF1 linker puts out a worrying warning if any sections contain no
17 executable code. It says
19 Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
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. */
28 static void dummy(int x) { dummy(x-1); }
31 /* Generic options for auths, all of which live inside auth_instance
32 data blocks and hence have the opt_public flag set. */
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)) }
49 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
51 /* An empty host aliases list. */
53 uschar *no_aliases = NULL;
56 /* For comments on these variables, see globals.h. I'm too idle to
57 duplicate them here... */
60 uschar *opt_perl_startup = NULL;
61 BOOL opt_perl_at_start = FALSE;
62 BOOL opt_perl_started = FALSE;
66 tree_node *dlobj_anchor = NULL;
70 uschar *ibase_servers = NULL;
74 uschar *eldap_default_servers = NULL;
75 int eldap_version = -1;
79 uschar *mysql_servers = NULL;
83 uschar *oracle_servers = NULL;
87 uschar *pgsql_servers = NULL;
91 int sqlite_lock_timeout = 5;
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
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. */
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;
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;
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. */
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;
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. */
141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
142 &deliver_address_data,
144 &deliver_domain_data,
145 &deliver_domain_orig,
146 &deliver_domain_parent,
148 &deliver_localpart_data,
149 &deliver_localpart_orig,
150 &deliver_localpart_parent,
151 &deliver_localpart_prefix,
152 &deliver_localpart_suffix,
153 (uschar **)(&deliver_recipients),
161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
163 /* General global variables */
165 header_line *acl_added_headers = NULL;
166 tree_node *acl_anchor = NULL;
167 uschar *acl_not_smtp = NULL;
168 #ifdef WITH_CONTENT_SCAN
169 uschar *acl_not_smtp_mime = NULL;
171 uschar *acl_not_smtp_start = NULL;
172 uschar *acl_smtp_auth = NULL;
173 uschar *acl_smtp_connect = NULL;
174 uschar *acl_smtp_data = NULL;
175 uschar *acl_smtp_etrn = NULL;
176 uschar *acl_smtp_expn = NULL;
177 uschar *acl_smtp_helo = NULL;
178 uschar *acl_smtp_mail = NULL;
179 uschar *acl_smtp_mailauth = NULL;
180 #ifdef WITH_CONTENT_SCAN
181 uschar *acl_smtp_mime = NULL;
183 uschar *acl_smtp_predata = NULL;
184 uschar *acl_smtp_quit = NULL;
185 uschar *acl_smtp_rcpt = NULL;
186 uschar *acl_smtp_starttls = NULL;
187 uschar *acl_smtp_vrfy = NULL;
188 BOOL acl_temp_details = FALSE;
189 tree_node *acl_var_c = NULL;
190 tree_node *acl_var_m = NULL;
191 uschar *acl_verify_message = NULL;
192 string_item *acl_warn_logged = NULL;
194 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
195 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
197 uschar *acl_wherenames[] = { US"RCPT",
215 uschar *acl_wherecodes[] = { US"550", /* RCPT */
217 US"550", /* PREDATA */
220 US"0", /* not SMTP; not relevant */
222 US"550", /* connect */
225 US"550", /* HELO/EHLO */
226 US"0", /* MAILAUTH; not relevant */
227 US"0", /* not SMTP; not relevant */
228 US"0", /* QUIT; not relevant */
229 US"550", /* STARTTLS */
233 BOOL active_local_from_check = FALSE;
234 BOOL active_local_sender_retain = FALSE;
235 BOOL accept_8bitmime = FALSE;
236 address_item *addr_duplicate = NULL;
238 address_item address_defaults = {
243 NULL, /* start_router */
245 NULL, /* transport */
246 NULL, /* host_list */
247 NULL, /* host_used */
248 NULL, /* fallback_hosts */
253 NULL, /* cc_local_part */
254 NULL, /* lc_local_part */
255 NULL, /* local_part */
259 NULL, /* address_retry_key */
260 NULL, /* domain_retry_key */
261 NULL, /* current_dir */
264 NULL, /* user_message */
265 NULL, /* onetime_parent */
266 NULL, /* pipe_expandn */
267 NULL, /* return_filename */
268 NULL, /* self_hostname */
269 NULL, /* shadow_message */
274 (uid_t)(-1), /* uid */
275 (gid_t)(-1), /* gid */
277 { 0 }, /* domain_cache - any larger array should be zeroed */
278 { 0 }, /* localpart_cache - ditto */
281 ERRNO_UNKNOWNERROR, /* basic_errno */
283 -1, /* return_file */
284 SPECIAL_NONE, /* special_action */
285 DEFER, /* transport_return */
286 { /* fields that are propagated to children */
287 NULL, /* address_data */
288 NULL, /* domain_data */
289 NULL, /* localpart_data */
290 NULL, /* errors_address */
291 NULL, /* extra_headers */
292 NULL, /* remove_headers */
293 #ifdef EXPERIMENTAL_SRS
294 NULL, /* srs_sender */
299 uschar *address_file = NULL;
300 uschar *address_pipe = NULL;
301 BOOL address_test_mode = FALSE;
302 tree_node *addresslist_anchor = NULL;
303 int addresslist_count = 0;
304 gid_t *admin_groups = NULL;
305 BOOL admin_user = FALSE;
306 BOOL allow_auth_unadvertised= FALSE;
307 BOOL allow_domain_literals = FALSE;
308 BOOL allow_mx_to_ip = FALSE;
309 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
310 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
311 BOOL allow_utf8_domains = FALSE;
312 uschar *authenticated_id = NULL;
313 uschar *authenticated_sender = NULL;
314 BOOL authentication_failed = FALSE;
315 auth_instance *auths = NULL;
316 uschar *auth_advertise_hosts = US"*";
317 auth_instance auth_defaults = {
318 NULL, /* chain pointer */
321 NULL, /* private options block pointer */
322 NULL, /* driver_name */
323 NULL, /* advertise_condition */
324 NULL, /* public_name */
326 NULL, /* server_mail_auth_condition */
327 NULL, /* server_debug_string */
330 FALSE /* advertised */
333 uschar *auth_defer_msg = US"reason not recorded";
334 uschar *auth_defer_user_msg = US"";
335 uschar *auth_vars[AUTH_VARS];
337 #ifdef WITH_CONTENT_SCAN
338 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
341 BOOL background_daemon = TRUE;
344 uschar *base62_chars=
345 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
347 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
350 uschar *bi_command = NULL;
351 uschar *big_buffer = NULL;
352 int big_buffer_size = BIG_BUFFER_SIZE;
353 #ifdef EXPERIMENTAL_BRIGHTMAIL
354 uschar *bmi_alt_location = NULL;
355 uschar *bmi_base64_tracker_verdict = NULL;
356 uschar *bmi_base64_verdict = NULL;
357 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
360 uschar *bmi_verdicts = NULL;
362 int body_linecount = 0;
363 int body_zerocount = 0;
364 uschar *bounce_message_file = NULL;
365 uschar *bounce_message_text = NULL;
366 uschar *bounce_recipient = NULL;
367 BOOL bounce_return_body = TRUE;
368 BOOL bounce_return_message = TRUE;
369 int bounce_return_size_limit = 100*1024;
370 uschar *bounce_sender_authentication = NULL;
371 int bsmtp_transaction_linecount = 0;
373 int callout_cache_domain_positive_expire = 7*24*60*60;
374 int callout_cache_domain_negative_expire = 3*60*60;
375 int callout_cache_positive_expire = 24*60*60;
376 int callout_cache_negative_expire = 2*60*60;
377 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
378 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
379 int check_log_inodes = 0;
380 int check_log_space = 0;
381 BOOL check_rfc2047_length = TRUE;
382 int check_spool_inodes = 0;
383 int check_spool_space = 0;
384 int clmacro_count = 0;
385 uschar *clmacros[MAX_CLMACROS];
386 BOOL config_changed = FALSE;
387 FILE *config_file = NULL;
388 uschar *config_filename = NULL;
389 int config_lineno = 0;
390 #ifdef CONFIGURE_GROUP
391 gid_t config_gid = CONFIGURE_GROUP;
393 uschar *config_main_filelist = US CONFIGURE_FILE
394 "\0<-----------Space to patch configure_filename->";
395 uschar *config_main_filename = NULL;
397 #ifdef CONFIGURE_OWNER
398 uid_t config_uid = CONFIGURE_OWNER;
401 int connection_max_messages= -1;
402 uschar *continue_hostname = NULL;
403 uschar *continue_host_address = NULL;
404 BOOL continue_more = FALSE;
405 int continue_sequence = 1;
406 uschar *continue_transport = NULL;
408 uschar *csa_status = NULL;
410 BOOL daemon_listen = FALSE;
411 uschar *daemon_smtp_port = US"smtp";
412 int daemon_startup_retries = 9;
413 int daemon_startup_sleep = 30;
414 BOOL debug_daemon = FALSE;
416 FILE *debug_file = NULL;
417 bit_table debug_options[] = {
420 { US"auth", D_auth },
421 { US"deliver", D_deliver },
423 { US"dnsbl", D_dnsbl },
424 { US"exec", D_exec },
425 { US"expand", D_expand },
426 { US"filter", D_filter },
427 { US"hints_lookup", D_hints_lookup },
428 { US"host_lookup", D_host_lookup },
429 { US"ident", D_ident },
430 { US"interface", D_interface },
431 { US"lists", D_lists },
432 { US"load", D_load },
433 { US"local_scan", D_local_scan },
434 { US"lookup", D_lookup },
435 { US"memory", D_memory },
437 { US"process_info", D_process_info },
438 { US"queue_run", D_queue_run },
439 { US"receive", D_receive },
440 { US"resolver", D_resolver },
441 { US"retry", D_retry },
442 { US"rewrite", D_rewrite },
443 { US"route", D_route },
444 { US"timestamp", D_timestamp },
446 { US"transport", D_transport },
448 { US"verify", D_verify }
450 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
451 unsigned int debug_selector = 0;
452 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
453 uschar *delay_warning_condition=
455 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
456 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
457 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
459 BOOL delivery_date_remove = TRUE;
460 uschar *deliver_address_data = NULL;
461 int deliver_datafile = -1;
462 uschar *deliver_domain = NULL;
463 uschar *deliver_domain_data = NULL;
464 uschar *deliver_domain_orig = NULL;
465 uschar *deliver_domain_parent = NULL;
466 BOOL deliver_drop_privilege = FALSE;
467 BOOL deliver_firsttime = FALSE;
468 BOOL deliver_force = FALSE;
469 BOOL deliver_freeze = FALSE;
470 int deliver_frozen_at = 0;
471 uschar *deliver_home = NULL;
472 uschar *deliver_host = NULL;
473 uschar *deliver_host_address = NULL;
474 uschar *deliver_in_buffer = NULL;
475 ino_t deliver_inode = 0;
476 uschar *deliver_localpart = NULL;
477 uschar *deliver_localpart_data = NULL;
478 uschar *deliver_localpart_orig = NULL;
479 uschar *deliver_localpart_parent = NULL;
480 uschar *deliver_localpart_prefix = NULL;
481 uschar *deliver_localpart_suffix = NULL;
482 BOOL deliver_force_thaw = FALSE;
483 BOOL deliver_manual_thaw = FALSE;
484 uschar *deliver_out_buffer = NULL;
485 int deliver_queue_load_max = -1;
486 address_item *deliver_recipients = NULL;
487 uschar *deliver_selectstring = NULL;
488 BOOL deliver_selectstring_regex = FALSE;
489 uschar *deliver_selectstring_sender = NULL;
490 BOOL deliver_selectstring_sender_regex = FALSE;
491 #ifdef WITH_OLD_DEMIME
492 int demime_errorlevel = 0;
494 uschar *demime_reason = NULL;
496 BOOL disable_ipv6 = FALSE;
497 BOOL disable_logging = FALSE;
499 #ifdef EXPERIMENTAL_DOMAINKEYS
500 uschar *dk_signing_domain = NULL;
501 uschar *dk_signing_selector = NULL;
502 int dk_do_verify = 0;
505 uschar *dns_again_means_nonexist = NULL;
506 int dns_csa_search_limit = 5;
507 BOOL dns_csa_use_reverse = TRUE;
508 uschar *dns_ipv4_lookup = NULL;
511 uschar *dnslist_domain = NULL;
512 uschar *dnslist_text = NULL;
513 uschar *dnslist_value = NULL;
514 tree_node *domainlist_anchor = NULL;
515 int domainlist_count = 0;
516 BOOL dont_deliver = FALSE;
517 BOOL dot_ends = TRUE;
518 BOOL drop_cr = FALSE; /* No longer used */
520 BOOL enable_dollar_recipients = FALSE;
521 BOOL envelope_to_remove = TRUE;
522 int errno_quota = ERRNO_QUOTA;
523 uschar *errors_copy = NULL;
524 int error_handling = ERRORS_SENDER;
525 uschar *errors_reply_to = NULL;
526 int errors_sender_rc = EXIT_FAILURE;
528 gid_t exim_gid = EXIM_GID;
529 BOOL exim_gid_set = TRUE; /* This gid is always set */
530 uschar *exim_path = US BIN_DIRECTORY "/exim"
531 "\0<---------------Space to patch exim_path->";
532 uid_t exim_uid = EXIM_UID;
533 BOOL exim_uid_set = TRUE; /* This uid is always set */
534 int expand_forbid = 0;
535 int expand_nlength[EXPAND_MAXN+1];
536 int expand_nmax = -1;
537 uschar *expand_nstring[EXPAND_MAXN+1];
538 BOOL expand_string_forcedfail = FALSE;
539 uschar *expand_string_message;
540 BOOL extract_addresses_remove_arguments = TRUE;
541 uschar *extra_local_interfaces = NULL;
543 int fake_response = OK;
544 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).";
545 int filter_n[FILTER_VARIABLE_COUNT];
546 BOOL filter_running = FALSE;
547 int filter_sn[FILTER_VARIABLE_COUNT];
548 int filter_test = FTEST_NONE;
549 uschar *filter_test_sfile = NULL;
550 uschar *filter_test_ufile = NULL;
551 uschar *filter_thisaddress = NULL;
552 int finduser_retries = 0;
553 #ifdef WITH_OLD_DEMIME
554 uschar *found_extension = NULL;
556 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
557 uschar *freeze_tell = NULL;
558 uschar *freeze_tell_config = NULL;
559 uschar *fudged_queue_times = US"";
561 uschar *gecos_name = NULL;
562 uschar *gecos_pattern = NULL;
563 rewrite_rule *global_rewrite_rules = NULL;
565 uschar *headers_charset = US HEADERS_CHARSET;
566 int header_insert_maxlen = 64 * 1024;
567 header_line *header_last = NULL;
568 header_line *header_list = NULL;
569 int header_maxsize = HEADER_MAXSIZE;
570 int header_line_maxsize = 0;
572 header_name header_names[] = {
573 { US"bcc", 3, TRUE, htype_bcc },
574 { US"cc", 2, TRUE, htype_cc },
575 { US"date", 4, TRUE, htype_date },
576 { US"delivery-date", 13, FALSE, htype_delivery_date },
577 { US"envelope-to", 11, FALSE, htype_envelope_to },
578 { US"from", 4, TRUE, htype_from },
579 { US"message-id", 10, TRUE, htype_id },
580 { US"received", 8, FALSE, htype_received },
581 { US"reply-to", 8, FALSE, htype_reply_to },
582 { US"return-path", 11, FALSE, htype_return_path },
583 { US"sender", 6, TRUE, htype_sender },
584 { US"subject", 7, FALSE, htype_subject },
585 { US"to", 2, TRUE, htype_to }
588 int header_names_size = sizeof(header_names)/sizeof(header_name);
590 BOOL header_rewritten = FALSE;
591 uschar *helo_accept_junk_hosts = NULL;
592 uschar *helo_allow_chars = US"";
593 uschar *helo_lookup_domains = US"@ : @[]";
594 uschar *helo_try_verify_hosts = NULL;
595 BOOL helo_verified = FALSE;
596 BOOL helo_verify_failed = FALSE;
597 uschar *helo_verify_hosts = NULL;
598 uschar *hex_digits = US"0123456789abcdef";
599 uschar *hold_domains = NULL;
600 BOOL host_checking = FALSE;
601 BOOL host_checking_callout = FALSE;
602 uschar *host_data = NULL;
603 BOOL host_find_failed_syntax= FALSE;
604 uschar *host_lookup = NULL;
605 BOOL host_lookup_deferred = FALSE;
606 BOOL host_lookup_failed = FALSE;
607 uschar *host_lookup_order = US"bydns:byaddr";
608 uschar *host_lookup_msg = US"";
610 uschar *host_number_string = NULL;
611 uschar *host_reject_connection = NULL;
612 tree_node *hostlist_anchor = NULL;
613 int hostlist_count = 0;
614 uschar *hosts_treat_as_local = NULL;
615 uschar *hosts_connection_nolog = NULL;
617 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
618 BOOL ignore_fromline_local = FALSE;
619 uschar *ignore_fromline_hosts = NULL;
620 uschar *interface_address = NULL;
621 int interface_port = -1;
622 BOOL is_inetd = FALSE;
626 int keep_malformed = 4*24*60*60; /* 4 days */
628 uschar *eldap_dn = NULL;
629 int load_average = -2;
630 BOOL local_error_message = FALSE;
631 BOOL local_from_check = TRUE;
632 uschar *local_from_prefix = NULL;
633 uschar *local_from_suffix = NULL;
636 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
638 uschar *local_interfaces = US"0.0.0.0";
641 uschar *local_scan_data = NULL;
642 int local_scan_timeout = 5*60;
643 BOOL local_sender_retain = FALSE;
644 gid_t local_user_gid = (gid_t)(-1);
645 uid_t local_user_uid = (uid_t)(-1);
647 tree_node *localpartlist_anchor= NULL;
648 int localpartlist_count = 0;
649 uschar *log_buffer = NULL;
650 unsigned int log_extra_selector = LX_default;
651 uschar *log_file_path = US LOG_FILE_PATH
652 "\0<--------------Space to patch log_file_path->";
654 /* Those log options with L_xxx identifiers have values less than 0x800000 and
655 are the ones that get put into log_write_selector. They can be used in calls to
656 log_write() to test for the bit. The options with LX_xxx identifiers have
657 values greater than 0x80000000 and are put int log_extra_selector (without the
658 top bit). They are never used in calls to log_write(), but are tested
659 independently. This separation became necessary when the number of log
660 selectors was getting close to filling a 32-bit word. */
662 bit_table log_options[] = {
663 { US"acl_warn_skipped", LX_acl_warn_skipped },
664 { US"address_rewrite", L_address_rewrite },
666 { US"all_parents", L_all_parents },
667 { US"arguments", LX_arguments },
668 { US"connection_reject", L_connection_reject },
669 { US"delay_delivery", L_delay_delivery },
670 { US"deliver_time", LX_deliver_time },
671 { US"delivery_size", LX_delivery_size },
672 { US"dnslist_defer", L_dnslist_defer },
673 { US"etrn", L_etrn },
674 { US"host_lookup_failed", L_host_lookup_failed },
675 { US"ident_timeout", LX_ident_timeout },
676 { US"incoming_interface", LX_incoming_interface },
677 { US"incoming_port", LX_incoming_port },
678 { US"lost_incoming_connection", L_lost_incoming_connection },
679 { US"outgoing_port", LX_outgoing_port },
680 { US"queue_run", L_queue_run },
681 { US"queue_time", LX_queue_time },
682 { US"queue_time_overall", LX_queue_time_overall },
683 { US"received_recipients", LX_received_recipients },
684 { US"received_sender", LX_received_sender },
685 { US"rejected_header", LX_rejected_header },
686 { US"rejected_headers", LX_rejected_header },
687 { US"retry_defer", L_retry_defer },
688 { US"return_path_on_delivery", LX_return_path_on_delivery },
689 { US"sender_on_delivery", LX_sender_on_delivery },
690 { US"sender_verify_fail", LX_sender_verify_fail },
691 { US"size_reject", L_size_reject },
692 { US"skip_delivery", L_skip_delivery },
693 { US"smtp_confirmation", LX_smtp_confirmation },
694 { US"smtp_connection", L_smtp_connection },
695 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
696 { US"smtp_protocol_error", L_smtp_protocol_error },
697 { US"smtp_syntax_error", L_smtp_syntax_error },
698 { US"subject", LX_subject },
699 { US"tls_certificate_verified", LX_tls_certificate_verified },
700 { US"tls_cipher", LX_tls_cipher },
701 { US"tls_peerdn", LX_tls_peerdn },
702 { US"unknown_in_list", LX_unknown_in_list }
705 int log_options_count = sizeof(log_options)/sizeof(bit_table);
706 int log_reject_target = 0;
707 uschar *log_selector_string = NULL;
708 FILE *log_stderr = NULL;
709 BOOL log_testing_mode = FALSE;
710 BOOL log_timezone = FALSE;
711 unsigned int log_write_selector= L_default;
712 uschar *login_sender_address = NULL;
713 int lookup_open_max = 25;
714 uschar *lookup_value = NULL;
716 macro_item *macros = NULL;
717 uschar *mailstore_basename = NULL;
718 #ifdef WITH_CONTENT_SCAN
719 uschar *malware_name = NULL; /* Virus Name */
721 int max_username_length = 0;
723 uschar *message_body = NULL;
724 uschar *message_body_end = NULL;
725 int message_body_size = 0;
726 int message_body_visible = 500;
727 int message_ended = END_NOTSTARTED;
728 uschar *message_headers = NULL;
730 uschar *message_id_domain = NULL;
731 uschar *message_id_text = NULL;
732 struct timeval message_id_tv = { 0, 0 };
733 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
734 uschar *message_id_external;
735 int message_linecount = 0;
736 BOOL message_logs = TRUE;
737 int message_size = 0;
738 uschar *message_size_limit = US"50M";
739 uschar message_subdir[2] = { 0, 0 };
740 uschar *message_reference = NULL;
742 /* MIME ACL expandables */
743 #ifdef WITH_CONTENT_SCAN
744 int mime_anomaly_level = 0;
745 uschar *mime_anomaly_text = NULL;
746 uschar *mime_boundary = NULL;
747 uschar *mime_charset = NULL;
748 uschar *mime_content_description = NULL;
749 uschar *mime_content_disposition = NULL;
750 uschar *mime_content_id = NULL;
751 unsigned int mime_content_size = 0;
752 uschar *mime_content_transfer_encoding = NULL;
753 uschar *mime_content_type = NULL;
754 uschar *mime_decoded_filename = NULL;
755 uschar *mime_filename = NULL;
756 int mime_is_multipart = 0;
757 int mime_is_coverletter = 0;
758 int mime_is_rfc822 = 0;
759 int mime_part_count = -1;
762 BOOL mua_wrapper = FALSE;
764 uid_t *never_users = NULL;
765 #ifdef WITH_CONTENT_SCAN
766 BOOL no_mbox_unspool = FALSE;
768 BOOL no_multiline_responses = FALSE;
771 gid_t originator_gid;
772 uschar *originator_login = NULL;
773 uschar *originator_name = NULL;
774 uid_t originator_uid;
775 uschar *override_local_interfaces = NULL;
776 uschar *override_pid_file_path = NULL;
778 BOOL parse_allow_group = FALSE;
779 BOOL parse_found_group = FALSE;
780 uschar *percent_hack_domains = NULL;
781 uschar *pid_file_path = US PID_FILE_PATH
782 "\0<--------------Space to patch pid_file_path->";
783 uschar *pipelining_advertise_hosts = US"*";
784 BOOL preserve_message_logs = FALSE;
785 uschar *primary_hostname = NULL;
786 BOOL print_topbitchars = FALSE;
787 uschar process_info[PROCESS_INFO_SIZE];
788 uschar *process_log_path = NULL;
789 BOOL prod_requires_admin = TRUE;
790 uschar *prvscheck_address = NULL;
791 uschar *prvscheck_keynum = NULL;
792 uschar *prvscheck_result = NULL;
795 uschar *qualify_domain_recipient = NULL;
796 uschar *qualify_domain_sender = NULL;
797 BOOL queue_2stage = FALSE;
798 uschar *queue_domains = NULL;
799 int queue_interval = -1;
800 BOOL queue_list_requires_admin = TRUE;
801 BOOL queue_only = FALSE;
802 uschar *queue_only_file = NULL;
803 int queue_only_load = -1;
804 BOOL queue_only_override = TRUE;
805 BOOL queue_only_policy = FALSE;
806 BOOL queue_run_first_delivery = FALSE;
807 BOOL queue_run_force = FALSE;
808 BOOL queue_run_in_order = FALSE;
809 BOOL queue_run_local = FALSE;
810 int queue_run_max = 5;
811 pid_t queue_run_pid = (pid_t)0;
812 int queue_run_pipe = -1;
813 BOOL queue_running = FALSE;
814 BOOL queue_smtp = FALSE;
815 uschar *queue_smtp_domains = NULL;
817 unsigned int random_seed = 0;
818 tree_node *ratelimiters_cmd = NULL;
819 tree_node *ratelimiters_conn = NULL;
820 tree_node *ratelimiters_mail = NULL;
821 uschar *raw_active_hostname = NULL;
822 uschar *raw_sender = NULL;
823 uschar **raw_recipients = NULL;
824 int raw_recipients_count = 0;
827 int rcpt_fail_count = 0;
828 int rcpt_defer_count = 0;
831 BOOL really_exim = TRUE;
832 BOOL receive_call_bombout = FALSE;
833 int receive_linecount = 0;
834 int receive_messagecount = 0;
835 int receive_timeout = 0;
836 int received_count = 0;
837 uschar *received_for = NULL;
839 /* This is the default text for Received headers generated by Exim. The
840 date will be automatically added on the end. */
842 uschar *received_header_text = US
844 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
845 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
846 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
847 "by $primary_hostname "
848 "${if def:received_protocol {with $received_protocol}} "
850 "${if def:tls_cipher {($tls_cipher)\n\t}}"
852 "(Exim $version_number)\n\t"
853 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
854 "id $message_exim_id"
855 "${if def:received_for {\n\tfor $received_for}}"
856 "\0<---------------Space to patch received_header_text->";
858 int received_headers_max = 30;
859 uschar *received_protocol = NULL;
860 int received_time = 0;
861 uschar *recipient_data = NULL;
862 uschar *recipient_unqualified_hosts = NULL;
863 uschar *recipient_verify_failure = NULL;
864 int recipients_count = 0;
865 BOOL recipients_discarded = FALSE;
866 recipient_item *recipients_list = NULL;
867 int recipients_list_max = 0;
868 int recipients_max = 0;
869 BOOL recipients_max_reject = FALSE;
870 const pcre *regex_AUTH = NULL;
871 const pcre *regex_check_dns_names = NULL;
872 const pcre *regex_From = NULL;
873 const pcre *regex_IGNOREQUOTA = NULL;
874 const pcre *regex_PIPELINING = NULL;
875 const pcre *regex_SIZE = NULL;
876 const pcre *regex_smtp_code = NULL;
877 const pcre *regex_ismsgid = NULL;
878 #ifdef WITH_CONTENT_SCAN
879 uschar *regex_match_string = NULL;
881 int remote_delivery_count = 0;
882 int remote_max_parallel = 2;
883 uschar *remote_sort_domains = NULL;
884 int retry_data_expire = 7*24*60*60;
885 int retry_interval_max = 24*60*60;
886 int retry_maximum_timeout = 0; /* set from retry config */
887 retry_config *retries = NULL;
888 uschar *return_path = NULL;
889 BOOL return_path_remove = TRUE;
890 int rewrite_existflags = 0;
891 uschar *rfc1413_hosts = US"*";
892 int rfc1413_query_timeout = 5;
893 /* BOOL rfc821_domains = FALSE; <<< on the way out */
894 uid_t root_uid = ROOT_UID;
896 router_instance *routers = NULL;
897 router_instance router_defaults = {
898 NULL, /* chain pointer */
901 NULL, /* private options block pointer */
902 NULL, /* driver name */
904 NULL, /* address_data */
905 #ifdef EXPERIMENTAL_BRIGHTMAIL
908 NULL, /* cannot_route_message */
909 NULL, /* condition */
910 NULL, /* current_directory */
911 NULL, /* debug_string */
913 NULL, /* errors_to */
914 NULL, /* expand_gid */
915 NULL, /* expand_uid */
916 NULL, /* expand_more */
917 NULL, /* expand_unseen */
918 NULL, /* extra_headers */
919 NULL, /* fallback_hosts */
920 NULL, /* home_directory */
921 NULL, /* ignore_target_hosts */
922 NULL, /* local_parts */
923 NULL, /* pass_router_name */
925 NULL, /* redirect_router_name */
926 NULL, /* remove_headers */
927 NULL, /* require_files */
928 NULL, /* router_home_directory */
929 US"freeze", /* self */
932 NULL, /* translate_ip_address */
933 NULL, /* transport_name */
935 TRUE, /* address_test */
936 #ifdef EXPERIMENTAL_BRIGHTMAIL
937 FALSE, /* bmi_deliver_alternate */
938 FALSE, /* bmi_deliver_default */
939 FALSE, /* bmi_dont_deliver */
942 FALSE, /* caseful_local_part */
943 FALSE, /* check_local_user */
944 FALSE, /* disable_logging */
945 FALSE, /* fail_verify_recipient */
946 FALSE, /* fail_verify_sender */
948 FALSE, /* initgroups */
949 TRUE_UNSET, /* log_as_local */
951 FALSE, /* pass_on_timeout */
952 FALSE, /* prefix_optional */
953 TRUE, /* repeat_use */
954 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
955 FALSE, /* same_domain_copy_routing */
956 FALSE, /* self_rewrite */
957 FALSE, /* suffix_optional */
958 FALSE, /* verify_only */
959 TRUE, /* verify_recipient */
960 TRUE, /* verify_sender */
964 self_freeze, /* self_code */
965 (uid_t)(-1), /* uid */
966 (gid_t)(-1), /* gid */
968 NULL, /* fallback_hostlist */
969 NULL, /* transport instance */
970 NULL, /* pass_router */
971 NULL /* redirect_router */
974 ip_address_item *running_interfaces = NULL;
975 BOOL running_in_test_harness = FALSE;
977 /* This is a weird one. The following string gets patched in the binary by the
978 script that sets up a copy of Exim for running in the test harness. It seems
979 that compilers are now clever, and share constant strings if they can.
980 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
981 make use of the end of this string in order to save space. So the patching then
982 wrecks this. We default this optimization by adding some additional characters
983 onto the end of the string. */
985 uschar *running_status = US">>>running<<<" "\0EXTRA";
989 uschar *search_error_message = NULL;
990 BOOL search_find_defer = FALSE;
991 uschar *self_hostname = NULL;
992 uschar *sender_address = NULL;
993 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
994 uschar *sender_address_data = NULL;
995 BOOL sender_address_forced = FALSE;
996 uschar *sender_address_unrewritten = NULL;
997 uschar *sender_data = NULL;
998 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
999 uschar *sender_fullhost = NULL;
1000 uschar *sender_helo_name = NULL;
1001 uschar **sender_host_aliases = &no_aliases;
1002 uschar *sender_host_address = NULL;
1003 uschar *sender_host_authenticated = NULL;
1004 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1005 uschar *sender_host_name = NULL;
1006 int sender_host_port = 0;
1007 BOOL sender_host_notsocket = FALSE;
1008 BOOL sender_host_unknown = FALSE;
1009 uschar *sender_ident = NULL;
1010 BOOL sender_local = FALSE;
1011 BOOL sender_name_forced = FALSE;
1012 uschar *sender_rate = NULL;
1013 uschar *sender_rate_limit = NULL;
1014 uschar *sender_rate_period = NULL;
1015 uschar *sender_rcvhost = NULL;
1016 BOOL sender_set_untrusted = FALSE;
1017 uschar *sender_unqualified_hosts = NULL;
1018 uschar *sender_verify_failure = NULL;
1019 address_item *sender_verified_list = NULL;
1020 address_item *sender_verified_failed = NULL;
1021 int sender_verified_rc = -1;
1022 BOOL sender_verified_responded = FALSE;
1023 volatile BOOL sigalrm_seen = FALSE;
1024 uschar **sighup_argv = NULL;
1025 int smtp_accept_count = 0;
1026 BOOL smtp_accept_keepalive = TRUE;
1027 int smtp_accept_max = 20;
1028 int smtp_accept_max_nonmail= 10;
1029 uschar *smtp_accept_max_nonmail_hosts = US"*";
1030 int smtp_accept_max_per_connection = 1000;
1031 uschar *smtp_accept_max_per_host = NULL;
1032 int smtp_accept_queue = 0;
1033 int smtp_accept_queue_per_connection = 10;
1034 int smtp_accept_reserve = 0;
1035 uschar *smtp_active_hostname = NULL;
1036 BOOL smtp_authenticated = FALSE;
1037 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1038 "Exim $version_number $tod_full"
1039 "\0<---------------Space to patch smtp_banner->";
1040 BOOL smtp_batched_input = FALSE;
1041 BOOL smtp_check_spool_space = TRUE;
1042 uschar *smtp_cmd_argument = NULL;
1043 uschar *smtp_cmd_buffer = NULL;
1044 int smtp_connect_backlog = 20;
1045 double smtp_delay_mail = 0.0;
1046 double smtp_delay_rcpt = 0.0;
1047 BOOL smtp_enforce_sync = TRUE;
1048 FILE *smtp_in = NULL;
1049 BOOL smtp_input = FALSE;
1050 int smtp_load_reserve = -1;
1051 int smtp_mailcmd_count = 0;
1052 FILE *smtp_out = NULL;
1053 uschar *smtp_etrn_command = NULL;
1054 BOOL smtp_etrn_serialize = TRUE;
1055 int smtp_max_synprot_errors= 3;
1056 int smtp_max_unknown_commands = 3;
1057 uschar *smtp_ratelimit_hosts = NULL;
1058 uschar *smtp_ratelimit_mail = NULL;
1059 uschar *smtp_ratelimit_rcpt = NULL;
1060 uschar *smtp_read_error = US"";
1061 int smtp_receive_timeout = 5*60;
1062 uschar *smtp_reserve_hosts = NULL;
1063 BOOL smtp_return_error_details = FALSE;
1064 int smtp_rlm_base = 0;
1065 double smtp_rlm_factor = 0.0;
1066 int smtp_rlm_limit = 0;
1067 int smtp_rlm_threshold = INT_MAX;
1068 int smtp_rlr_base = 0;
1069 double smtp_rlr_factor = 0.0;
1070 int smtp_rlr_limit = 0;
1071 int smtp_rlr_threshold = INT_MAX;
1072 BOOL smtp_use_pipelining = FALSE;
1073 BOOL smtp_use_size = FALSE;
1075 #ifdef WITH_CONTENT_SCAN
1076 uschar *spamd_address = US"127.0.0.1 783";
1077 uschar *spam_bar = NULL;
1078 uschar *spam_report = NULL;
1079 uschar *spam_score = NULL;
1080 uschar *spam_score_int = NULL;
1082 #ifdef EXPERIMENTAL_SPF
1083 uschar *spf_header_comment = NULL;
1084 uschar *spf_received = NULL;
1085 uschar *spf_result = NULL;
1086 uschar *spf_smtp_comment = NULL;
1089 BOOL split_spool_directory = FALSE;
1090 uschar *spool_directory = US SPOOL_DIRECTORY
1091 "\0<--------------Space to patch spool_directory->";
1092 #ifdef EXPERIMENTAL_SRS
1093 uschar *srs_config = NULL;
1094 uschar *srs_db_address = NULL;
1095 uschar *srs_db_key = NULL;
1096 int srs_hashlength = 6;
1097 int srs_hashmin = -1;
1098 int srs_maxage = 31;
1099 uschar *srs_orig_recipient = NULL;
1100 uschar *srs_orig_sender = NULL;
1101 uschar *srs_recipient = NULL;
1102 uschar *srs_secrets = NULL;
1103 uschar *srs_status = NULL;
1104 BOOL srs_usehash = TRUE;
1105 BOOL srs_usetimestamp = TRUE;
1107 BOOL strict_acl_vars = FALSE;
1108 int string_datestamp_offset= -1;
1109 BOOL strip_excess_angle_brackets = FALSE;
1110 BOOL strip_trailing_dot = FALSE;
1111 uschar *submission_domain = NULL;
1112 BOOL submission_mode = FALSE;
1113 uschar *submission_name = NULL;
1114 BOOL suppress_local_fixups = FALSE;
1115 BOOL synchronous_delivery = FALSE;
1116 BOOL syslog_duplication = TRUE;
1117 int syslog_facility = LOG_MAIL;
1118 uschar *syslog_processname = US"exim";
1119 BOOL syslog_timestamp = TRUE;
1120 uschar *system_filter = NULL;
1122 uschar *system_filter_directory_transport = NULL;
1123 uschar *system_filter_file_transport = NULL;
1124 uschar *system_filter_pipe_transport = NULL;
1125 uschar *system_filter_reply_transport = NULL;
1127 gid_t system_filter_gid = 0;
1128 BOOL system_filter_gid_set = FALSE;
1129 uid_t system_filter_uid = 0;
1130 BOOL system_filter_uid_set = FALSE;
1131 BOOL system_filtering = FALSE;
1133 BOOL tcp_nodelay = TRUE;
1134 int thismessage_size_limit = 0;
1135 int timeout_frozen_after = 0;
1136 BOOL timestamps_utc = FALSE;
1138 transport_instance *transports = NULL;
1140 transport_instance transport_defaults = {
1141 NULL, /* chain pointer */
1144 NULL, /* private options block pointer */
1145 NULL, /* driver name */
1146 NULL, /* setup entry point */
1148 NULL, /* batch_id */
1149 NULL, /* home_dir */
1150 NULL, /* current_dir */
1151 TRUE, /* multi-domain */
1152 FALSE, /* overrides_hosts */
1153 100, /* max_addresses */
1154 500, /* connection_max_messages */
1155 FALSE, /* deliver_as_creator */
1156 FALSE, /* disable_logging */
1157 FALSE, /* initgroups */
1158 FALSE, /* uid_set */
1159 FALSE, /* gid_set */
1160 (uid_t)(-1), /* uid */
1161 (gid_t)(-1), /* gid */
1162 NULL, /* expand_uid */
1163 NULL, /* expand_gid */
1164 NULL, /* warn_message */
1166 NULL, /* shadow_condition */
1167 NULL, /* filter_command */
1168 NULL, /* add_headers */
1169 NULL, /* remove_headers */
1170 NULL, /* return_path */
1171 NULL, /* debug_string */
1172 NULL, /* message_size_limit */
1173 NULL, /* headers_rewrite */
1174 NULL, /* rewrite_rules */
1175 0, /* rewrite_existflags */
1176 300, /* filter_timeout */
1177 FALSE, /* body_only */
1178 FALSE, /* delivery_date_add */
1179 FALSE, /* envelope_to_add */
1180 FALSE, /* headers_only */
1181 FALSE, /* rcpt_include_affixes */
1182 FALSE, /* return_path_add */
1183 FALSE, /* return_output */
1184 FALSE, /* return_fail_output */
1185 FALSE, /* log_output */
1186 FALSE, /* log_fail_output */
1187 FALSE, /* log_defer_output */
1188 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1189 1 nor 0 so can detect unset */
1192 int transport_count;
1193 uschar **transport_filter_argv = NULL;
1194 int transport_filter_timeout;
1195 BOOL transport_filter_timed_out = FALSE;
1196 int transport_write_timeout= 0;
1198 tree_node *tree_dns_fails = NULL;
1199 tree_node *tree_duplicates = NULL;
1200 tree_node *tree_nonrecipients = NULL;
1201 tree_node *tree_unusable = NULL;
1203 BOOL trusted_caller = FALSE;
1204 gid_t *trusted_groups = NULL;
1205 uid_t *trusted_users = NULL;
1206 uschar *timezone_string = US TIMEZONE_DEFAULT;
1208 uschar *unknown_login = NULL;
1209 uschar *unknown_username = NULL;
1210 uschar *untrusted_set_sender = NULL;
1212 /* A regex for matching a "From_" line in an incoming message, in the form
1214 From ph10 Fri Jan 5 12:35 GMT 1996
1216 which the "mail" commands send to the MTA (undocumented, of course), or in
1219 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1221 which is apparently used by some UUCPs, despite it not being in RFC 976.
1222 Because of variations in time formats, just match up to the minutes. That
1223 should be sufficient. Examples have been seen of time fields like 12:1:03,
1224 so just require one digit for hours and minutes. The weekday is also absent
1227 uschar *uucp_from_pattern = US
1228 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1229 "(?:" /* Non-extracting bracket */
1230 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1231 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1232 ")" /* End alternation */
1233 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1235 uschar *uucp_from_sender = US"$1";
1237 uschar *warn_message_file = NULL;
1238 uschar *warnmsg_delay = NULL;
1239 uschar *warnmsg_recipients = NULL;
1240 BOOL write_rejectlog = TRUE;
1242 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1243 uschar *version_date = US"?";
1244 uschar *version_cnumber = US"????";
1245 uschar *version_string = US"?";
1247 int warning_count = 0;
1249 /* End of globals.c */