1 /* $Cambridge: exim/src/src/globals.c,v 1.31 2005/08/01 14:00:35 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2005 */
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;
90 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
91 BOOL move_frozen_messages = FALSE;
94 /* These variables are outside the #ifdef because it keeps the code less
95 cluttered in several places (e.g. during logging) if we can always refer to
96 them. Also, the tls_ variables are now always visible. */
99 BOOL tls_certificate_verified = FALSE;
100 uschar *tls_cipher = NULL;
101 BOOL tls_on_connect = FALSE;
102 uschar *tls_on_connect_ports = NULL;
103 uschar *tls_peerdn = NULL;
106 const pcre *regex_STARTTLS = NULL;
107 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
108 uschar *tls_certificate = NULL;
109 uschar *tls_crl = NULL;
110 uschar *tls_dhparam = NULL;
111 BOOL tls_offered = FALSE;
112 uschar *tls_privatekey = NULL;
113 BOOL tls_remember_esmtp = FALSE;
114 uschar *tls_require_ciphers = NULL;
115 uschar *tls_try_verify_hosts = NULL;
116 uschar *tls_verify_certificates= NULL;
117 uschar *tls_verify_hosts = NULL;
121 /* Input-reading functions for messages, so we can use special ones for
122 incoming TCP/IP. The defaults use stdin. We never need these for any
123 stand-alone tests. */
126 int (*receive_getc)(void) = stdin_getc;
127 int (*receive_ungetc)(int) = stdin_ungetc;
128 int (*receive_feof)(void) = stdin_feof;
129 int (*receive_ferror)(void) = stdin_ferror;
133 /* List of per-address expansion variables for clearing and saving/restoring
134 when verifying one address while routing/verifying another. We have to have
135 the size explicit, because it is referenced from more than one module. */
137 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
138 &deliver_address_data,
140 &deliver_domain_data,
141 &deliver_domain_orig,
142 &deliver_domain_parent,
144 &deliver_localpart_data,
145 &deliver_localpart_orig,
146 &deliver_localpart_parent,
147 &deliver_localpart_prefix,
148 &deliver_localpart_suffix,
149 (uschar **)(&deliver_recipients),
157 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
159 /* General global variables */
161 tree_node *acl_anchor = NULL;
162 uschar *acl_not_smtp = NULL;
163 #ifdef WITH_CONTENT_SCAN
164 uschar *acl_not_smtp_mime = NULL;
166 uschar *acl_smtp_auth = NULL;
167 uschar *acl_smtp_connect = NULL;
168 uschar *acl_smtp_data = NULL;
169 uschar *acl_smtp_etrn = NULL;
170 uschar *acl_smtp_expn = NULL;
171 uschar *acl_smtp_helo = NULL;
172 uschar *acl_smtp_mail = NULL;
173 uschar *acl_smtp_mailauth = NULL;
174 #ifdef WITH_CONTENT_SCAN
175 uschar *acl_smtp_mime = NULL;
177 uschar *acl_smtp_predata = NULL;
178 uschar *acl_smtp_quit = NULL;
179 uschar *acl_smtp_rcpt = NULL;
180 uschar *acl_smtp_starttls = NULL;
181 uschar *acl_smtp_vrfy = NULL;
182 BOOL acl_temp_details = FALSE;
183 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
184 uschar *acl_verify_message = NULL;
185 header_line *acl_warn_headers = NULL;
186 string_item *acl_warn_logged = NULL;
188 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
189 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
191 uschar *acl_wherenames[] = { US"RCPT",
208 int acl_wherecodes[] = { 550, /* RCPT */
213 0, /* not SMTP; not relevant */
219 0, /* MAILAUTH; not relevant */
220 0, /* QUIT; not relevant */
225 BOOL active_local_from_check = FALSE;
226 BOOL active_local_sender_retain = FALSE;
227 BOOL accept_8bitmime = FALSE;
228 address_item *addr_duplicate = NULL;
230 address_item address_defaults = {
235 NULL, /* start_router */
237 NULL, /* transport */
238 NULL, /* host_list */
239 NULL, /* host_used */
240 NULL, /* fallback_hosts */
245 NULL, /* cc_local_part */
246 NULL, /* lc_local_part */
247 NULL, /* local_part */
251 NULL, /* address_retry_key */
252 NULL, /* domain_retry_key */
253 NULL, /* current_dir */
256 NULL, /* user_message */
257 NULL, /* onetime_parent */
258 NULL, /* pipe_expandn */
259 NULL, /* return_filename */
260 NULL, /* self_hostname */
261 NULL, /* shadow_message */
266 (uid_t)(-1), /* uid */
267 (gid_t)(-1), /* gid */
269 { 0 }, /* domain_cache - any larger array should be zeroed */
270 { 0 }, /* localpart_cache - ditto */
273 ERRNO_UNKNOWNERROR, /* basic_errno */
275 -1, /* return_file */
276 SPECIAL_NONE, /* special_action */
277 DEFER, /* transport_return */
278 { /* fields that are propagated to children */
279 NULL, /* address_data */
280 NULL, /* domain_data */
281 NULL, /* localpart_data */
282 NULL, /* errors_address */
283 NULL, /* extra_headers */
284 NULL, /* remove_headers */
285 #ifdef EXPERIMENTAL_SRS
286 NULL, /* srs_sender */
291 uschar *address_file = NULL;
292 uschar *address_pipe = NULL;
293 BOOL address_test_mode = FALSE;
294 tree_node *addresslist_anchor = NULL;
295 int addresslist_count = 0;
296 gid_t *admin_groups = NULL;
297 BOOL admin_user = FALSE;
298 BOOL allow_domain_literals = FALSE;
299 BOOL allow_mx_to_ip = FALSE;
300 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
301 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
302 BOOL allow_utf8_domains = FALSE;
303 uschar *authenticated_id = NULL;
304 uschar *authenticated_sender = NULL;
305 BOOL authentication_failed = FALSE;
306 auth_instance *auths = NULL;
307 uschar *auth_advertise_hosts = US"*";
308 auth_instance auth_defaults = {
309 NULL, /* chain pointer */
312 NULL, /* private options block pointer */
313 NULL, /* driver_name */
314 NULL, /* advertise_condition */
315 NULL, /* public_name */
317 NULL, /* server_mail_auth_condition */
318 NULL, /* server_debug_string */
321 FALSE /* advertised */
324 uschar *auth_defer_msg = US"reason not recorded";
325 uschar *auth_defer_user_msg = US"";
327 #ifdef WITH_CONTENT_SCAN
328 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
331 BOOL background_daemon = TRUE;
332 uschar *base62_chars=
333 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
334 uschar *bi_command = NULL;
335 uschar *big_buffer = NULL;
336 int big_buffer_size = BIG_BUFFER_SIZE;
337 #ifdef EXPERIMENTAL_BRIGHTMAIL
338 uschar *bmi_alt_location = NULL;
339 uschar *bmi_base64_tracker_verdict = NULL;
340 uschar *bmi_base64_verdict = NULL;
341 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
344 uschar *bmi_verdicts = NULL;
346 int body_linecount = 0;
347 int body_zerocount = 0;
348 uschar *bounce_message_file = NULL;
349 uschar *bounce_message_text = NULL;
350 uschar *bounce_recipient = NULL;
351 BOOL bounce_return_body = TRUE;
352 BOOL bounce_return_message = TRUE;
353 int bounce_return_size_limit = 100*1024;
354 uschar *bounce_sender_authentication = NULL;
355 int bsmtp_transaction_linecount = 0;
357 int callout_cache_domain_positive_expire = 7*24*60*60;
358 int callout_cache_domain_negative_expire = 3*60*60;
359 int callout_cache_positive_expire = 24*60*60;
360 int callout_cache_negative_expire = 2*60*60;
361 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
362 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
363 int check_log_inodes = 0;
364 int check_log_space = 0;
365 int check_spool_inodes = 0;
366 int check_spool_space = 0;
367 int clmacro_count = 0;
368 uschar *clmacros[MAX_CLMACROS];
369 BOOL config_changed = FALSE;
370 FILE *config_file = NULL;
371 uschar *config_filename = NULL;
372 int config_lineno = 0;
373 #ifdef CONFIGURE_GROUP
374 gid_t config_gid = CONFIGURE_GROUP;
376 uschar *config_main_filelist = US CONFIGURE_FILE
377 "\0<-----------Space to patch configure_filename->";
378 uschar *config_main_filename = NULL;
380 #ifdef CONFIGURE_OWNER
381 uid_t config_uid = CONFIGURE_OWNER;
384 int connection_max_messages= -1;
385 uschar *continue_hostname = NULL;
386 uschar *continue_host_address = NULL;
387 BOOL continue_more = FALSE;
388 int continue_sequence = 1;
389 uschar *continue_transport = NULL;
391 uschar *csa_status = NULL;
393 BOOL daemon_listen = FALSE;
394 uschar *daemon_smtp_port = US"smtp";
395 int daemon_startup_retries = 9;
396 int daemon_startup_sleep = 30;
397 BOOL debug_daemon = FALSE;
399 FILE *debug_file = NULL;
400 bit_table debug_options[] = {
403 { US"auth", D_auth },
404 { US"deliver", D_deliver },
406 { US"dnsbl", D_dnsbl },
407 { US"exec", D_exec },
408 { US"expand", D_expand },
409 { US"filter", D_filter },
410 { US"hints_lookup", D_hints_lookup },
411 { US"host_lookup", D_host_lookup },
412 { US"ident", D_ident },
413 { US"interface", D_interface },
414 { US"lists", D_lists },
415 { US"load", D_load },
416 { US"local_scan", D_local_scan },
417 { US"lookup", D_lookup },
418 { US"memory", D_memory },
420 { US"process_info", D_process_info },
421 { US"queue_run", D_queue_run },
422 { US"receive", D_receive },
423 { US"resolver", D_resolver },
424 { US"retry", D_retry },
425 { US"rewrite", D_rewrite },
426 { US"route", D_route },
427 { US"timestamp", D_timestamp },
429 { US"transport", D_transport },
431 { US"verify", D_verify }
433 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
434 unsigned int debug_selector = 0;
435 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
436 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
437 BOOL delivery_date_remove = TRUE;
438 uschar *deliver_address_data = NULL;
439 int deliver_datafile = -1;
440 uschar *deliver_domain = NULL;
441 uschar *deliver_domain_data = NULL;
442 uschar *deliver_domain_orig = NULL;
443 uschar *deliver_domain_parent = NULL;
444 BOOL deliver_drop_privilege = FALSE;
445 BOOL deliver_firsttime = FALSE;
446 BOOL deliver_force = FALSE;
447 BOOL deliver_freeze = FALSE;
448 int deliver_frozen_at = 0;
449 uschar *deliver_home = NULL;
450 uschar *deliver_host = NULL;
451 uschar *deliver_host_address = NULL;
452 uschar *deliver_in_buffer = NULL;
453 ino_t deliver_inode = 0;
454 uschar *deliver_localpart = NULL;
455 uschar *deliver_localpart_data = NULL;
456 uschar *deliver_localpart_orig = NULL;
457 uschar *deliver_localpart_parent = NULL;
458 uschar *deliver_localpart_prefix = NULL;
459 uschar *deliver_localpart_suffix = NULL;
460 BOOL deliver_force_thaw = FALSE;
461 BOOL deliver_manual_thaw = FALSE;
462 uschar *deliver_out_buffer = NULL;
463 int deliver_queue_load_max = -1;
464 address_item *deliver_recipients = NULL;
465 uschar *deliver_selectstring = NULL;
466 BOOL deliver_selectstring_regex = FALSE;
467 uschar *deliver_selectstring_sender = NULL;
468 BOOL deliver_selectstring_sender_regex = FALSE;
469 #ifdef WITH_OLD_DEMIME
470 int demime_errorlevel = 0;
472 uschar *demime_reason = NULL;
474 BOOL disable_logging = FALSE;
476 #ifdef EXPERIMENTAL_DOMAINKEYS
477 uschar *dk_signing_domain = NULL;
478 uschar *dk_signing_selector = NULL;
479 int dk_do_verify = 0;
482 uschar *dns_again_means_nonexist = NULL;
483 int dns_csa_search_limit = 5;
484 BOOL dns_csa_use_reverse = TRUE;
485 uschar *dns_ipv4_lookup = NULL;
488 uschar *dnslist_domain = NULL;
489 uschar *dnslist_text = NULL;
490 uschar *dnslist_value = NULL;
491 tree_node *domainlist_anchor = NULL;
492 int domainlist_count = 0;
493 BOOL dont_deliver = FALSE;
494 BOOL dot_ends = TRUE;
495 BOOL drop_cr = FALSE; /* No longer used */
497 BOOL enable_dollar_recipients = FALSE;
498 BOOL envelope_to_remove = TRUE;
499 int errno_quota = ERRNO_QUOTA;
500 uschar *errors_copy = NULL;
501 int error_handling = ERRORS_SENDER;
502 uschar *errors_reply_to = NULL;
503 int errors_sender_rc = EXIT_FAILURE;
505 gid_t exim_gid = EXIM_GID;
506 BOOL exim_gid_set = TRUE; /* This gid is always set */
507 uschar *exim_path = US BIN_DIRECTORY "/exim"
508 "\0<---------------Space to patch exim_path->";
509 uid_t exim_uid = EXIM_UID;
510 BOOL exim_uid_set = TRUE; /* This uid is always set */
511 int expand_forbid = 0;
512 int expand_nlength[EXPAND_MAXN+1];
513 int expand_nmax = -1;
514 uschar *expand_nstring[EXPAND_MAXN+1];
515 BOOL expand_string_forcedfail = FALSE;
516 uschar *expand_string_message;
517 BOOL extract_addresses_remove_arguments = TRUE;
518 uschar *extra_local_interfaces = NULL;
520 int fake_response = OK;
521 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).";
522 int filter_n[FILTER_VARIABLE_COUNT];
523 BOOL filter_running = FALSE;
524 int filter_sn[FILTER_VARIABLE_COUNT];
525 int filter_test = FTEST_NONE;
526 uschar *filter_test_sfile = NULL;
527 uschar *filter_test_ufile = NULL;
528 uschar *filter_thisaddress = NULL;
529 int finduser_retries = 0;
530 #ifdef WITH_OLD_DEMIME
531 uschar *found_extension = NULL;
533 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
534 uschar *freeze_tell = NULL;
535 uschar *fudged_queue_times = US"";
537 uschar *gecos_name = NULL;
538 uschar *gecos_pattern = NULL;
539 rewrite_rule *global_rewrite_rules = NULL;
541 uschar *headers_charset = US HEADERS_CHARSET;
542 int header_insert_maxlen = 64 * 1024;
543 header_line *header_last = NULL;
544 header_line *header_list = NULL;
545 int header_maxsize = HEADER_MAXSIZE;
546 int header_line_maxsize = 0;
548 header_name header_names[] = {
549 { US"bcc", 3, TRUE, htype_bcc },
550 { US"cc", 2, TRUE, htype_cc },
551 { US"date", 4, TRUE, htype_date },
552 { US"delivery-date", 13, FALSE, htype_delivery_date },
553 { US"envelope-to", 11, FALSE, htype_envelope_to },
554 { US"from", 4, TRUE, htype_from },
555 { US"message-id", 10, TRUE, htype_id },
556 { US"received", 8, FALSE, htype_received },
557 { US"reply-to", 8, FALSE, htype_reply_to },
558 { US"return-path", 11, FALSE, htype_return_path },
559 { US"sender", 6, TRUE, htype_sender },
560 { US"subject", 7, FALSE, htype_subject },
561 { US"to", 2, TRUE, htype_to }
564 int header_names_size = sizeof(header_names)/sizeof(header_name);
566 BOOL header_rewritten = FALSE;
567 uschar *helo_accept_junk_hosts = NULL;
568 uschar *helo_allow_chars = US"";
569 uschar *helo_lookup_domains = US"@ : @[]";
570 uschar *helo_try_verify_hosts = NULL;
571 BOOL helo_verified = FALSE;
572 uschar *helo_verify_hosts = NULL;
573 uschar *hex_digits = US"0123456789abcdef";
574 uschar *hold_domains = NULL;
575 BOOL host_checking = FALSE;
576 BOOL host_checking_callout = FALSE;
577 uschar *host_data = NULL;
578 BOOL host_find_failed_syntax= FALSE;
579 uschar *host_lookup = NULL;
580 BOOL host_lookup_deferred = FALSE;
581 BOOL host_lookup_failed = FALSE;
582 uschar *host_lookup_order = US"bydns:byaddr";
583 uschar *host_lookup_msg = US"";
585 uschar *host_number_string = NULL;
586 uschar *host_reject_connection = NULL;
587 tree_node *hostlist_anchor = NULL;
588 int hostlist_count = 0;
589 uschar *hosts_treat_as_local = NULL;
590 uschar *hosts_connection_nolog = NULL;
592 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
593 BOOL ignore_fromline_local = FALSE;
594 uschar *ignore_fromline_hosts = NULL;
595 uschar *interface_address = NULL;
596 int interface_port = -1;
597 BOOL is_inetd = FALSE;
601 int keep_malformed = 4*24*60*60; /* 4 days */
603 uschar *eldap_dn = NULL;
604 int load_average = -2;
605 BOOL local_error_message = FALSE;
606 BOOL local_from_check = TRUE;
607 uschar *local_from_prefix = NULL;
608 uschar *local_from_suffix = NULL;
611 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
613 uschar *local_interfaces = US"0.0.0.0";
616 uschar *local_scan_data = NULL;
617 int local_scan_timeout = 5*60;
618 BOOL local_sender_retain = FALSE;
619 gid_t local_user_gid = (gid_t)(-1);
620 uid_t local_user_uid = (uid_t)(-1);
622 tree_node *localpartlist_anchor= NULL;
623 int localpartlist_count = 0;
624 uschar *log_buffer = NULL;
625 unsigned int log_extra_selector = LX_default;
626 uschar *log_file_path = US LOG_FILE_PATH
627 "\0<--------------Space to patch log_file_path->";
629 /* Those log options with L_xxx identifiers have values less than 0x800000 and
630 are the ones that get put into log_write_selector. They can be used in calls to
631 log_write() to test for the bit. The options with LX_xxx identifiers have
632 values greater than 0x80000000 and are put int log_extra_selector (without the
633 top bit). They are never used in calls to log_write(), but are tested
634 independently. This separation became necessary when the number of log
635 selectors was getting close to filling a 32-bit word. */
637 bit_table log_options[] = {
638 { US"address_rewrite", L_address_rewrite },
640 { US"all_parents", L_all_parents },
641 { US"arguments", LX_arguments },
642 { US"connection_reject", L_connection_reject },
643 { US"delay_delivery", L_delay_delivery },
644 { US"deliver_time", LX_deliver_time },
645 { US"delivery_size", LX_delivery_size },
646 { US"dnslist_defer", L_dnslist_defer },
647 { US"etrn", L_etrn },
648 { US"host_lookup_failed", L_host_lookup_failed },
649 { US"ident_timeout", LX_ident_timeout },
650 { US"incoming_interface", LX_incoming_interface },
651 { US"incoming_port", LX_incoming_port },
652 { US"lost_incoming_connection", L_lost_incoming_connection },
653 { US"outgoing_port", LX_outgoing_port },
654 { US"queue_run", L_queue_run },
655 { US"queue_time", LX_queue_time },
656 { US"queue_time_overall", LX_queue_time_overall },
657 { US"received_recipients", LX_received_recipients },
658 { US"received_sender", LX_received_sender },
659 { US"rejected_header", LX_rejected_header },
660 { US"rejected_headers", LX_rejected_header },
661 { US"retry_defer", L_retry_defer },
662 { US"return_path_on_delivery", LX_return_path_on_delivery },
663 { US"sender_on_delivery", LX_sender_on_delivery },
664 { US"size_reject", L_size_reject },
665 { US"skip_delivery", L_skip_delivery },
666 { US"smtp_confirmation", LX_smtp_confirmation },
667 { US"smtp_connection", L_smtp_connection },
668 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
669 { US"smtp_protocol_error", L_smtp_protocol_error },
670 { US"smtp_syntax_error", L_smtp_syntax_error },
671 { US"subject", LX_subject },
672 { US"tls_certificate_verified", LX_tls_certificate_verified },
673 { US"tls_cipher", LX_tls_cipher },
674 { US"tls_peerdn", LX_tls_peerdn }
677 int log_options_count = sizeof(log_options)/sizeof(bit_table);
678 unsigned int log_write_selector= L_default;
679 uschar *log_selector_string = NULL;
680 FILE *log_stderr = NULL;
681 BOOL log_testing_mode = FALSE;
682 BOOL log_timezone = FALSE;
683 uschar *login_sender_address = NULL;
684 int lookup_open_max = 25;
685 uschar *lookup_value = NULL;
687 macro_item *macros = NULL;
688 uschar *mailstore_basename = NULL;
689 #ifdef WITH_CONTENT_SCAN
690 uschar *malware_name = NULL; /* Virus Name */
692 int max_username_length = 0;
694 uschar *message_body = NULL;
695 uschar *message_body_end = NULL;
696 int message_body_size = 0;
697 int message_body_visible = 500;
698 int message_ended = END_NOTSTARTED;
699 uschar *message_headers = NULL;
701 uschar *message_id_domain = NULL;
702 uschar *message_id_text = NULL;
703 struct timeval message_id_tv = { 0, 0 };
704 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
705 uschar *message_id_external;
706 int message_linecount = 0;
707 BOOL message_logs = TRUE;
708 int message_size = 0;
709 uschar *message_size_limit = US"50M";
710 uschar message_subdir[2] = { 0, 0 };
711 uschar *message_reference = NULL;
713 /* MIME ACL expandables */
714 #ifdef WITH_CONTENT_SCAN
715 int mime_anomaly_level = 0;
716 uschar *mime_anomaly_text = NULL;
717 uschar *mime_boundary = NULL;
718 uschar *mime_charset = NULL;
719 uschar *mime_content_description = NULL;
720 uschar *mime_content_disposition = NULL;
721 uschar *mime_content_id = NULL;
722 unsigned int mime_content_size = 0;
723 uschar *mime_content_transfer_encoding = NULL;
724 uschar *mime_content_type = NULL;
725 uschar *mime_decoded_filename = NULL;
726 uschar *mime_filename = NULL;
727 int mime_is_multipart = 0;
728 int mime_is_coverletter = 0;
729 int mime_is_rfc822 = 0;
730 int mime_part_count = -1;
733 BOOL mua_wrapper = FALSE;
735 uid_t *never_users = NULL;
736 #ifdef WITH_CONTENT_SCAN
737 BOOL no_mbox_unspool = FALSE;
739 BOOL no_multiline_responses = FALSE;
742 gid_t originator_gid;
743 uschar *originator_login = NULL;
744 uschar *originator_name = NULL;
745 uid_t originator_uid;
746 uschar *override_local_interfaces = NULL;
747 uschar *override_pid_file_path = NULL;
749 BOOL parse_allow_group = FALSE;
750 BOOL parse_found_group = FALSE;
751 uschar *percent_hack_domains = NULL;
752 uschar *pid_file_path = US PID_FILE_PATH
753 "\0<--------------Space to patch pid_file_path->";
754 uschar *pipelining_advertise_hosts = US"*";
755 BOOL preserve_message_logs = FALSE;
756 uschar *primary_hostname = NULL;
757 BOOL print_topbitchars = FALSE;
758 uschar process_info[PROCESS_INFO_SIZE];
759 uschar *process_log_path = NULL;
760 BOOL prod_requires_admin = TRUE;
761 uschar *prvscheck_address = NULL;
762 uschar *prvscheck_keynum = NULL;
763 uschar *prvscheck_result = NULL;
766 uschar *qualify_domain_recipient = NULL;
767 uschar *qualify_domain_sender = NULL;
768 BOOL queue_2stage = FALSE;
769 uschar *queue_domains = NULL;
770 int queue_interval = -1;
771 BOOL queue_list_requires_admin = TRUE;
772 BOOL queue_only = FALSE;
773 uschar *queue_only_file = NULL;
774 int queue_only_load = -1;
775 BOOL queue_only_override = TRUE;
776 BOOL queue_only_policy = FALSE;
777 BOOL queue_run_first_delivery = FALSE;
778 BOOL queue_run_force = FALSE;
779 BOOL queue_run_in_order = FALSE;
780 BOOL queue_run_local = FALSE;
781 int queue_run_max = 5;
782 pid_t queue_run_pid = (pid_t)0;
783 int queue_run_pipe = -1;
784 BOOL queue_running = FALSE;
785 BOOL queue_smtp = FALSE;
786 uschar *queue_smtp_domains = NULL;
788 unsigned int random_seed = 0;
789 tree_node *ratelimiters_cmd = NULL;
790 tree_node *ratelimiters_conn = NULL;
791 tree_node *ratelimiters_mail = NULL;
792 uschar *raw_active_hostname = NULL;
793 uschar *raw_sender = NULL;
794 uschar **raw_recipients = NULL;
795 int raw_recipients_count = 0;
798 int rcpt_fail_count = 0;
799 int rcpt_defer_count = 0;
802 BOOL really_exim = TRUE;
803 BOOL receive_call_bombout = FALSE;
804 int receive_linecount = 0;
805 int receive_messagecount = 0;
806 int receive_timeout = 0;
807 int received_count = 0;
808 uschar *received_for = NULL;
810 /* This is the default text for Received headers generated by Exim. The
811 date will be automatically added on the end. */
813 uschar *received_header_text = US
815 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
816 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
817 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
818 "by $primary_hostname "
819 "${if def:received_protocol {with $received_protocol}} "
821 "${if def:tls_cipher {($tls_cipher)\n\t}}"
823 "(Exim $version_number)\n\t"
824 "id $message_exim_id"
825 "${if def:received_for {\n\tfor $received_for}}"
826 "\0<---------------Space to patch received_header_text->";
828 int received_headers_max = 30;
829 uschar *received_protocol = NULL;
830 int received_time = 0;
831 uschar *recipient_data = NULL;
832 uschar *recipient_unqualified_hosts = NULL;
833 uschar *recipient_verify_failure = NULL;
834 int recipients_count = 0;
835 BOOL recipients_discarded = FALSE;
836 recipient_item *recipients_list = NULL;
837 int recipients_list_max = 0;
838 int recipients_max = 0;
839 BOOL recipients_max_reject = FALSE;
840 const pcre *regex_AUTH = NULL;
841 const pcre *regex_check_dns_names = NULL;
842 const pcre *regex_From = NULL;
843 const pcre *regex_PIPELINING = NULL;
844 const pcre *regex_SIZE = NULL;
845 const pcre *regex_ismsgid = NULL;
846 #ifdef WITH_CONTENT_SCAN
847 uschar *regex_match_string = NULL;
849 int remote_delivery_count = 0;
850 int remote_max_parallel = 2;
851 uschar *remote_sort_domains = NULL;
852 int retry_data_expire = 7*24*60*60;
853 int retry_interval_max = 24*60*60;
854 int retry_maximum_timeout = 0; /* set from retry config */
855 retry_config *retries = NULL;
856 uschar *return_path = NULL;
857 BOOL return_path_remove = TRUE;
858 int rewrite_existflags = 0;
859 uschar *rfc1413_hosts = US"*";
860 int rfc1413_query_timeout = 30;
861 /* BOOL rfc821_domains = FALSE; <<< on the way out */
862 uid_t root_uid = ROOT_UID;
864 router_instance *routers = NULL;
865 router_instance router_defaults = {
866 NULL, /* chain pointer */
869 NULL, /* private options block pointer */
870 NULL, /* driver name */
872 NULL, /* address_data */
873 #ifdef EXPERIMENTAL_BRIGHTMAIL
876 NULL, /* cannot_route_message */
877 NULL, /* condition */
878 NULL, /* current_directory */
879 NULL, /* debug_string */
881 NULL, /* errors_to */
882 NULL, /* expand_gid */
883 NULL, /* expand_uid */
884 NULL, /* expand_more */
885 NULL, /* expand_unseen */
886 NULL, /* extra_headers */
887 NULL, /* fallback_hosts */
888 NULL, /* home_directory */
889 NULL, /* ignore_target_hosts */
890 NULL, /* local_parts */
891 NULL, /* pass_router_name */
893 NULL, /* redirect_router_name */
894 NULL, /* remove_headers */
895 NULL, /* require_files */
896 NULL, /* router_home_directory */
897 US"freeze", /* self */
900 NULL, /* translate_ip_address */
901 NULL, /* transport_name */
903 TRUE, /* address_test */
904 #ifdef EXPERIMENTAL_BRIGHTMAIL
905 FALSE, /* bmi_deliver_alternate */
906 FALSE, /* bmi_deliver_default */
907 FALSE, /* bmi_dont_deliver */
910 FALSE, /* caseful_local_part */
911 FALSE, /* check_local_user */
912 FALSE, /* disable_logging */
913 FALSE, /* fail_verify_recipient */
914 FALSE, /* fail_verify_sender */
916 FALSE, /* initgroups */
917 TRUE_UNSET, /* log_as_local */
919 FALSE, /* pass_on_timeout */
920 FALSE, /* prefix_optional */
921 TRUE, /* repeat_use */
922 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
923 FALSE, /* same_domain_copy_routing */
924 FALSE, /* self_rewrite */
925 FALSE, /* suffix_optional */
926 FALSE, /* verify_only */
927 TRUE, /* verify_recipient */
928 TRUE, /* verify_sender */
932 self_freeze, /* self_code */
933 (uid_t)(-1), /* uid */
934 (gid_t)(-1), /* gid */
936 NULL, /* fallback_hostlist */
937 NULL, /* transport instance */
938 NULL, /* pass_router */
939 NULL /* redirect_router */
942 ip_address_item *running_interfaces = NULL;
943 BOOL running_in_test_harness = FALSE;
945 /* This is a weird one. The following string gets patched in the binary by the
946 script that sets up a copy of Exim for running in the test harness. It seems
947 that compilers are now clever, and share constant strings if they can.
948 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
949 make use of the end of this string in order to save space. So the patching then
950 wrecks this. We default this optimization by adding some additional characters
951 onto the end of the string. */
953 uschar *running_status = US">>>running<<<" "\0EXTRA";
957 uschar *search_error_message = NULL;
958 BOOL search_find_defer = FALSE;
959 uschar *self_hostname = NULL;
960 uschar *sender_address = NULL;
961 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
962 uschar *sender_address_data = NULL;
963 BOOL sender_address_forced = FALSE;
964 uschar *sender_address_unrewritten = NULL;
965 uschar *sender_data = NULL;
966 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
967 uschar *sender_fullhost = NULL;
968 uschar *sender_helo_name = NULL;
969 uschar **sender_host_aliases = &no_aliases;
970 uschar *sender_host_address = NULL;
971 uschar *sender_host_authenticated = NULL;
972 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
973 uschar *sender_host_name = NULL;
974 int sender_host_port = 0;
975 BOOL sender_host_notsocket = FALSE;
976 BOOL sender_host_unknown = FALSE;
977 uschar *sender_ident = NULL;
978 BOOL sender_local = FALSE;
979 uschar *sender_rate = NULL;
980 uschar *sender_rate_limit = NULL;
981 uschar *sender_rate_period = NULL;
982 uschar *sender_rcvhost = NULL;
983 BOOL sender_set_untrusted = FALSE;
984 uschar *sender_unqualified_hosts = NULL;
985 uschar *sender_verify_failure = NULL;
986 address_item *sender_verified_list = NULL;
987 address_item *sender_verified_failed = NULL;
988 int sender_verified_rc = -1;
989 BOOL sender_verified_responded = FALSE;
990 volatile BOOL sigalrm_seen = FALSE;
991 uschar **sighup_argv = NULL;
992 int smtp_accept_count = 0;
993 BOOL smtp_accept_keepalive = TRUE;
994 int smtp_accept_max = 20;
995 int smtp_accept_max_nonmail= 10;
996 uschar *smtp_accept_max_nonmail_hosts = US"*";
997 int smtp_accept_max_per_connection = 1000;
998 uschar *smtp_accept_max_per_host = NULL;
999 int smtp_accept_queue = 0;
1000 int smtp_accept_queue_per_connection = 10;
1001 int smtp_accept_reserve = 0;
1002 uschar *smtp_active_hostname = NULL;
1003 BOOL smtp_authenticated = FALSE;
1004 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1005 "Exim $version_number $tod_full"
1006 "\0<---------------Space to patch smtp_banner->";
1007 BOOL smtp_batched_input = FALSE;
1008 BOOL smtp_check_spool_space = TRUE;
1009 uschar *smtp_command_argument = NULL;
1010 int smtp_connect_backlog = 20;
1011 double smtp_delay_mail = 0.0;
1012 double smtp_delay_rcpt = 0.0;
1013 BOOL smtp_enforce_sync = TRUE;
1014 FILE *smtp_in = NULL;
1015 BOOL smtp_input = FALSE;
1016 int smtp_load_reserve = -1;
1017 int smtp_mailcmd_count = 0;
1018 FILE *smtp_out = NULL;
1019 uschar *smtp_etrn_command = NULL;
1020 BOOL smtp_etrn_serialize = TRUE;
1021 int smtp_max_synprot_errors= 3;
1022 int smtp_max_unknown_commands = 3;
1023 uschar *smtp_ratelimit_hosts = NULL;
1024 uschar *smtp_ratelimit_mail = NULL;
1025 uschar *smtp_ratelimit_rcpt = NULL;
1026 uschar *smtp_read_error = US"";
1027 int smtp_receive_timeout = 5*60;
1028 uschar *smtp_reserve_hosts = NULL;
1029 BOOL smtp_return_error_details = FALSE;
1030 int smtp_rlm_base = 0;
1031 double smtp_rlm_factor = 0.0;
1032 int smtp_rlm_limit = 0;
1033 int smtp_rlm_threshold = INT_MAX;
1034 int smtp_rlr_base = 0;
1035 double smtp_rlr_factor = 0.0;
1036 int smtp_rlr_limit = 0;
1037 int smtp_rlr_threshold = INT_MAX;
1038 BOOL smtp_use_pipelining = FALSE;
1039 BOOL smtp_use_size = FALSE;
1041 #ifdef WITH_CONTENT_SCAN
1042 uschar *spamd_address = US"127.0.0.1 783";
1043 uschar *spam_bar = NULL;
1044 uschar *spam_report = NULL;
1045 uschar *spam_score = NULL;
1046 uschar *spam_score_int = NULL;
1048 #ifdef EXPERIMENTAL_SPF
1049 uschar *spf_header_comment = NULL;
1050 uschar *spf_received = NULL;
1051 uschar *spf_result = NULL;
1052 uschar *spf_smtp_comment = NULL;
1055 BOOL split_spool_directory = FALSE;
1056 uschar *spool_directory = US SPOOL_DIRECTORY
1057 "\0<--------------Space to patch spool_directory->";
1058 #ifdef EXPERIMENTAL_SRS
1059 uschar *srs_config = NULL;
1060 uschar *srs_db_address = NULL;
1061 uschar *srs_db_key = NULL;
1062 int srs_hashlength = 6;
1063 int srs_hashmin = -1;
1064 int srs_maxage = 31;
1065 uschar *srs_orig_recipient = NULL;
1066 uschar *srs_orig_sender = NULL;
1067 uschar *srs_recipient = NULL;
1068 uschar *srs_secrets = NULL;
1069 uschar *srs_status = NULL;
1070 BOOL srs_usehash = TRUE;
1071 BOOL srs_usetimestamp = TRUE;
1073 int string_datestamp_offset= -1;
1074 BOOL strip_excess_angle_brackets = FALSE;
1075 BOOL strip_trailing_dot = FALSE;
1076 uschar *submission_domain = NULL;
1077 BOOL submission_mode = FALSE;
1078 BOOL synchronous_delivery = FALSE;
1079 BOOL syslog_duplication = TRUE;
1080 int syslog_facility = LOG_MAIL;
1081 uschar *syslog_processname = US"exim";
1082 BOOL syslog_timestamp = TRUE;
1083 uschar *system_filter = NULL;
1085 uschar *system_filter_directory_transport = NULL;
1086 uschar *system_filter_file_transport = NULL;
1087 uschar *system_filter_pipe_transport = NULL;
1088 uschar *system_filter_reply_transport = NULL;
1090 gid_t system_filter_gid = 0;
1091 BOOL system_filter_gid_set = FALSE;
1092 uid_t system_filter_uid = 0;
1093 BOOL system_filter_uid_set = FALSE;
1094 BOOL system_filtering = FALSE;
1096 BOOL tcp_nodelay = TRUE;
1097 int thismessage_size_limit = 0;
1098 int timeout_frozen_after = 0;
1099 BOOL timestamps_utc = FALSE;
1101 transport_instance *transports = NULL;
1103 transport_instance transport_defaults = {
1104 NULL, /* chain pointer */
1107 NULL, /* private options block pointer */
1108 NULL, /* driver name */
1109 NULL, /* setup entry point */
1111 NULL, /* batch_id */
1112 NULL, /* home_dir */
1113 NULL, /* current_dir */
1114 TRUE, /* multi-domain */
1115 FALSE, /* overrides_hosts */
1116 100, /* max_addresses */
1117 500, /* connection_max_messages */
1118 FALSE, /* deliver_as_creator */
1119 FALSE, /* disable_logging */
1120 FALSE, /* initgroups */
1121 FALSE, /* uid_set */
1122 FALSE, /* gid_set */
1123 (uid_t)(-1), /* uid */
1124 (gid_t)(-1), /* gid */
1125 NULL, /* expand_uid */
1126 NULL, /* expand_gid */
1127 NULL, /* warn_message */
1129 NULL, /* shadow_condition */
1130 NULL, /* filter_command */
1131 NULL, /* add_headers */
1132 NULL, /* remove_headers */
1133 NULL, /* return_path */
1134 NULL, /* debug_string */
1135 NULL, /* message_size_limit */
1136 NULL, /* headers_rewrite */
1137 NULL, /* rewrite_rules */
1138 0, /* rewrite_existflags */
1139 300, /* filter_timeout */
1140 FALSE, /* body_only */
1141 FALSE, /* delivery_date_add */
1142 FALSE, /* envelope_to_add */
1143 FALSE, /* headers_only */
1144 FALSE, /* rcpt_include_affixes */
1145 FALSE, /* return_path_add */
1146 FALSE, /* return_output */
1147 FALSE, /* return_fail_output */
1148 FALSE, /* log_output */
1149 FALSE, /* log_fail_output */
1150 FALSE, /* log_defer_output */
1151 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1152 1 nor 0 so can detect unset */
1155 int transport_count;
1156 uschar **transport_filter_argv = NULL;
1157 int transport_filter_timeout;
1158 BOOL transport_filter_timed_out = FALSE;
1159 int transport_write_timeout= 0;
1161 tree_node *tree_dns_fails = NULL;
1162 tree_node *tree_duplicates = NULL;
1163 tree_node *tree_nonrecipients = NULL;
1164 tree_node *tree_unusable = NULL;
1166 BOOL trusted_caller = FALSE;
1167 gid_t *trusted_groups = NULL;
1168 uid_t *trusted_users = NULL;
1169 uschar *timezone_string = US TIMEZONE_DEFAULT;
1171 uschar *unknown_login = NULL;
1172 uschar *unknown_username = NULL;
1173 uschar *untrusted_set_sender = NULL;
1175 /* A regex for matching a "From_" line in an incoming message, in the form
1177 From ph10 Fri Jan 5 12:35 GMT 1996
1179 which the "mail" commands send to the MTA (undocumented, of course), or in
1182 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1184 which is apparently used by some UUCPs, despite it not being in RFC 976.
1185 Because of variations in time formats, just match up to the minutes. That
1186 should be sufficient. Examples have been seen of time fields like 12:1:03,
1187 so just require one digit for hours and minutes. The weekday is also absent
1190 uschar *uucp_from_pattern = US
1191 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1192 "(?:" /* Non-extracting bracket */
1193 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1194 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1195 ")" /* End alternation */
1196 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1198 uschar *uucp_from_sender = US"$1";
1200 uschar *warn_message_file = NULL;
1201 uschar *warnmsg_delay = NULL;
1202 uschar *warnmsg_recipients = NULL;
1203 BOOL write_rejectlog = TRUE;
1205 uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1206 uschar *version_date = US"?";
1207 uschar *version_cnumber = US"????";
1208 uschar *version_string = US"?";
1210 int warning_count = 0;
1212 /* End of globals.c */