1 /* $Cambridge: exim/src/src/globals.c,v 1.22 2005/04/07 10:54:54 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 */
288 uschar *address_file = NULL;
289 uschar *address_pipe = NULL;
290 BOOL address_test_mode = FALSE;
291 tree_node *addresslist_anchor = NULL;
292 int addresslist_count = 0;
293 gid_t *admin_groups = NULL;
294 BOOL admin_user = FALSE;
295 BOOL allow_domain_literals = FALSE;
296 BOOL allow_mx_to_ip = FALSE;
297 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
298 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
299 BOOL allow_utf8_domains = FALSE;
300 uschar *authenticated_id = NULL;
301 uschar *authenticated_sender = NULL;
302 BOOL authentication_failed = FALSE;
303 auth_instance *auths = NULL;
304 uschar *auth_advertise_hosts = US"*";
305 auth_instance auth_defaults = {
306 NULL, /* chain pointer */
309 NULL, /* private options block pointer */
310 NULL, /* driver_name */
311 NULL, /* advertise_condition */
312 NULL, /* public_name */
314 NULL, /* server_mail_auth_condition */
315 NULL, /* server_debug_string */
318 FALSE /* advertised */
321 uschar *auth_defer_msg = US"reason not recorded";
322 uschar *auth_defer_user_msg = US"";
324 #ifdef WITH_CONTENT_SCAN
325 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
328 BOOL background_daemon = TRUE;
329 uschar *base62_chars=
330 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
331 uschar *bi_command = NULL;
332 uschar *big_buffer = NULL;
333 int big_buffer_size = BIG_BUFFER_SIZE;
334 #ifdef EXPERIMENTAL_BRIGHTMAIL
335 uschar *bmi_alt_location = NULL;
336 uschar *bmi_base64_tracker_verdict = NULL;
337 uschar *bmi_base64_verdict = NULL;
338 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
341 uschar *bmi_verdicts = NULL;
343 int body_linecount = 0;
344 int body_zerocount = 0;
345 uschar *bounce_message_file = NULL;
346 uschar *bounce_message_text = NULL;
347 uschar *bounce_recipient = NULL;
348 BOOL bounce_return_body = TRUE;
349 BOOL bounce_return_message = TRUE;
350 int bounce_return_size_limit = 100*1024;
351 uschar *bounce_sender_authentication = NULL;
352 int bsmtp_transaction_linecount = 0;
354 int callout_cache_domain_positive_expire = 7*24*60*60;
355 int callout_cache_domain_negative_expire = 3*60*60;
356 int callout_cache_positive_expire = 24*60*60;
357 int callout_cache_negative_expire = 2*60*60;
358 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
359 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
360 int check_log_inodes = 0;
361 int check_log_space = 0;
362 int check_spool_inodes = 0;
363 int check_spool_space = 0;
364 int clmacro_count = 0;
365 uschar *clmacros[MAX_CLMACROS];
366 BOOL config_changed = FALSE;
367 FILE *config_file = NULL;
368 uschar *config_filename = NULL;
369 int config_lineno = 0;
370 #ifdef CONFIGURE_GROUP
371 gid_t config_gid = CONFIGURE_GROUP;
373 uschar *config_main_filelist = US CONFIGURE_FILE
374 "\0<-----------Space to patch configure_filename->";
375 uschar *config_main_filename = NULL;
377 #ifdef CONFIGURE_OWNER
378 uid_t config_uid = CONFIGURE_OWNER;
381 int connection_max_messages= -1;
382 uschar *continue_hostname = NULL;
383 uschar *continue_host_address = NULL;
384 BOOL continue_more = FALSE;
385 int continue_sequence = 1;
386 uschar *continue_transport = NULL;
388 BOOL daemon_listen = FALSE;
389 uschar *daemon_smtp_port = US"smtp";
390 BOOL debug_daemon = FALSE;
392 FILE *debug_file = NULL;
393 bit_table debug_options[] = {
396 { US"auth", D_auth },
397 { US"deliver", D_deliver },
399 { US"dnsbl", D_dnsbl },
400 { US"exec", D_exec },
401 { US"expand", D_expand },
402 { US"filter", D_filter },
403 { US"hints_lookup", D_hints_lookup },
404 { US"host_lookup", D_host_lookup },
405 { US"ident", D_ident },
406 { US"interface", D_interface },
407 { US"lists", D_lists },
408 { US"load", D_load },
409 { US"local_scan", D_local_scan },
410 { US"lookup", D_lookup },
411 { US"memory", D_memory },
413 { US"process_info", D_process_info },
414 { US"queue_run", D_queue_run },
415 { US"receive", D_receive },
416 { US"resolver", D_resolver },
417 { US"retry", D_retry },
418 { US"rewrite", D_rewrite },
419 { US"route", D_route },
420 { US"timestamp", D_timestamp },
422 { US"transport", D_transport },
424 { US"verify", D_verify }
426 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
427 unsigned int debug_selector = 0;
428 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
429 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
430 BOOL delivery_date_remove = TRUE;
431 uschar *deliver_address_data = NULL;
432 int deliver_datafile = -1;
433 uschar *deliver_domain = NULL;
434 uschar *deliver_domain_data = NULL;
435 uschar *deliver_domain_orig = NULL;
436 uschar *deliver_domain_parent = NULL;
437 BOOL deliver_drop_privilege = FALSE;
438 BOOL deliver_firsttime = FALSE;
439 BOOL deliver_force = FALSE;
440 BOOL deliver_freeze = FALSE;
441 int deliver_frozen_at = 0;
442 uschar *deliver_home = NULL;
443 uschar *deliver_host = NULL;
444 uschar *deliver_host_address = NULL;
445 uschar *deliver_in_buffer = NULL;
446 ino_t deliver_inode = 0;
447 uschar *deliver_localpart = NULL;
448 uschar *deliver_localpart_data = NULL;
449 uschar *deliver_localpart_orig = NULL;
450 uschar *deliver_localpart_parent = NULL;
451 uschar *deliver_localpart_prefix = NULL;
452 uschar *deliver_localpart_suffix = NULL;
453 BOOL deliver_force_thaw = FALSE;
454 BOOL deliver_manual_thaw = FALSE;
455 uschar *deliver_out_buffer = NULL;
456 int deliver_queue_load_max = -1;
457 address_item *deliver_recipients = NULL;
458 uschar *deliver_selectstring = NULL;
459 BOOL deliver_selectstring_regex = FALSE;
460 uschar *deliver_selectstring_sender = NULL;
461 BOOL deliver_selectstring_sender_regex = FALSE;
462 #ifdef WITH_OLD_DEMIME
463 int demime_errorlevel = 0;
465 uschar *demime_reason = NULL;
467 BOOL disable_logging = FALSE;
469 #ifdef EXPERIMENTAL_DOMAINKEYS
470 uschar *dk_signing_domain = NULL;
471 uschar *dk_signing_selector = NULL;
472 int dk_do_verify = 0;
475 uschar *dns_again_means_nonexist = NULL;
476 uschar *dns_ipv4_lookup = NULL;
479 uschar *dnslist_domain = NULL;
480 uschar *dnslist_text = NULL;
481 uschar *dnslist_value = NULL;
482 tree_node *domainlist_anchor = NULL;
483 int domainlist_count = 0;
484 BOOL dont_deliver = FALSE;
485 BOOL dot_ends = TRUE;
486 BOOL drop_cr = FALSE; /* No longer used */
488 BOOL enable_dollar_recipients = FALSE;
489 BOOL envelope_to_remove = TRUE;
490 int errno_quota = ERRNO_QUOTA;
491 uschar *errors_copy = NULL;
492 int error_handling = ERRORS_SENDER;
493 uschar *errors_reply_to = NULL;
494 int errors_sender_rc = EXIT_FAILURE;
496 gid_t exim_gid = EXIM_GID;
497 BOOL exim_gid_set = TRUE; /* This gid is always set */
498 uschar *exim_path = US BIN_DIRECTORY "/exim"
499 "\0<---------------Space to patch exim_path->";
500 uid_t exim_uid = EXIM_UID;
501 BOOL exim_uid_set = TRUE; /* This uid is always set */
502 int expand_forbid = 0;
503 int expand_nlength[EXPAND_MAXN+1];
504 int expand_nmax = -1;
505 uschar *expand_nstring[EXPAND_MAXN+1];
506 BOOL expand_string_forcedfail = FALSE;
507 uschar *expand_string_message;
508 BOOL extract_addresses_remove_arguments = TRUE;
509 uschar *extra_local_interfaces = NULL;
511 BOOL fake_reject = FALSE;
512 uschar *fake_reject_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).";
513 int filter_n[FILTER_VARIABLE_COUNT];
514 BOOL filter_running = FALSE;
515 int filter_sn[FILTER_VARIABLE_COUNT];
516 int filter_test = FTEST_NONE;
517 uschar *filter_test_sfile = NULL;
518 uschar *filter_test_ufile = NULL;
519 uschar *filter_thisaddress = NULL;
520 int finduser_retries = 0;
521 #ifdef WITH_OLD_DEMIME
522 uschar *found_extension = NULL;
524 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
525 uschar *freeze_tell = NULL;
526 uschar *fudged_queue_times = US"";
528 uschar *gecos_name = NULL;
529 uschar *gecos_pattern = NULL;
530 rewrite_rule *global_rewrite_rules = NULL;
532 uschar *headers_charset = US HEADERS_CHARSET;
533 int header_insert_maxlen = 64 * 1024;
534 header_line *header_last = NULL;
535 header_line *header_list = NULL;
536 int header_maxsize = HEADER_MAXSIZE;
537 int header_line_maxsize = 0;
539 header_name header_names[] = {
540 { US"bcc", 3, TRUE, htype_bcc },
541 { US"cc", 2, TRUE, htype_cc },
542 { US"date", 4, TRUE, htype_date },
543 { US"delivery-date", 13, FALSE, htype_delivery_date },
544 { US"envelope-to", 11, FALSE, htype_envelope_to },
545 { US"from", 4, TRUE, htype_from },
546 { US"message-id", 10, TRUE, htype_id },
547 { US"received", 8, FALSE, htype_received },
548 { US"reply-to", 8, FALSE, htype_reply_to },
549 { US"return-path", 11, FALSE, htype_return_path },
550 { US"sender", 6, TRUE, htype_sender },
551 { US"subject", 7, FALSE, htype_subject },
552 { US"to", 2, TRUE, htype_to }
555 int header_names_size = sizeof(header_names)/sizeof(header_name);
557 BOOL header_rewritten = FALSE;
558 uschar *helo_accept_junk_hosts = NULL;
559 uschar *helo_allow_chars = US"";
560 uschar *helo_lookup_domains = US"@ : @[]";
561 uschar *helo_try_verify_hosts = NULL;
562 BOOL helo_verified = FALSE;
563 uschar *helo_verify_hosts = NULL;
564 uschar *hex_digits = US"0123456789abcdef";
565 uschar *hold_domains = NULL;
566 BOOL host_checking = FALSE;
567 BOOL host_checking_callout = FALSE;
568 uschar *host_data = NULL;
569 BOOL host_find_failed_syntax= FALSE;
570 uschar *host_lookup = NULL;
571 BOOL host_lookup_deferred = FALSE;
572 BOOL host_lookup_failed = FALSE;
573 uschar *host_lookup_order = US"bydns:byaddr";
574 uschar *host_lookup_msg = US"";
576 uschar *host_number_string = NULL;
577 uschar *host_reject_connection = NULL;
578 tree_node *hostlist_anchor = NULL;
579 int hostlist_count = 0;
580 uschar *hosts_treat_as_local = NULL;
581 uschar *hosts_connection_nolog = NULL;
583 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
584 BOOL ignore_fromline_local = FALSE;
585 uschar *ignore_fromline_hosts = NULL;
586 uschar *interface_address = NULL;
587 int interface_port = -1;
588 BOOL is_inetd = FALSE;
592 int keep_malformed = 4*24*60*60; /* 4 days */
594 uschar *eldap_dn = NULL;
595 int load_average = -2;
596 BOOL local_error_message = FALSE;
597 BOOL local_from_check = TRUE;
598 uschar *local_from_prefix = NULL;
599 uschar *local_from_suffix = NULL;
602 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
604 uschar *local_interfaces = US"0.0.0.0";
607 uschar *local_scan_data = NULL;
608 int local_scan_timeout = 5*60;
609 BOOL local_sender_retain = FALSE;
610 gid_t local_user_gid = (gid_t)(-1);
611 uid_t local_user_uid = (uid_t)(-1);
613 tree_node *localpartlist_anchor= NULL;
614 int localpartlist_count = 0;
615 uschar *log_buffer = NULL;
616 unsigned int log_extra_selector = LX_default;
617 uschar *log_file_path = US LOG_FILE_PATH
618 "\0<--------------Space to patch log_file_path->";
620 /* Those log options with L_xxx identifiers have values less than 0x800000 and
621 are the ones that get put into log_write_selector. They can be used in calls to
622 log_write() to test for the bit. The options with LX_xxx identifiers have
623 values greater than 0x80000000 and are put int log_extra_selector (without the
624 top bit). They are never used in calls to log_write(), but are tested
625 independently. This separation became necessary when the number of log
626 selectors was getting close to filling a 32-bit word. */
628 bit_table log_options[] = {
629 { US"address_rewrite", L_address_rewrite },
631 { US"all_parents", L_all_parents },
632 { US"arguments", LX_arguments },
633 { US"connection_reject", L_connection_reject },
634 { US"delay_delivery", L_delay_delivery },
635 { US"deliver_time", LX_deliver_time },
636 { US"delivery_size", LX_delivery_size },
637 { US"dnslist_defer", L_dnslist_defer },
638 { US"etrn", L_etrn },
639 { US"host_lookup_failed", L_host_lookup_failed },
640 { US"ident_timeout", LX_ident_timeout },
641 { US"incoming_interface", LX_incoming_interface },
642 { US"incoming_port", LX_incoming_port },
643 { US"lost_incoming_connection", L_lost_incoming_connection },
644 { US"outgoing_port", LX_outgoing_port },
645 { US"queue_run", L_queue_run },
646 { US"queue_time", LX_queue_time },
647 { US"queue_time_overall", LX_queue_time_overall },
648 { US"received_recipients", LX_received_recipients },
649 { US"received_sender", LX_received_sender },
650 { US"rejected_header", LX_rejected_header },
651 { US"rejected_headers", LX_rejected_header },
652 { US"retry_defer", L_retry_defer },
653 { US"return_path_on_delivery", LX_return_path_on_delivery },
654 { US"sender_on_delivery", LX_sender_on_delivery },
655 { US"size_reject", L_size_reject },
656 { US"skip_delivery", L_skip_delivery },
657 { US"smtp_confirmation", LX_smtp_confirmation },
658 { US"smtp_connection", L_smtp_connection },
659 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
660 { US"smtp_protocol_error", L_smtp_protocol_error },
661 { US"smtp_syntax_error", L_smtp_syntax_error },
662 { US"subject", LX_subject },
663 { US"tls_certificate_verified", LX_tls_certificate_verified },
664 { US"tls_cipher", LX_tls_cipher },
665 { US"tls_peerdn", LX_tls_peerdn }
668 int log_options_count = sizeof(log_options)/sizeof(bit_table);
669 unsigned int log_write_selector= L_default;
670 uschar *log_selector_string = NULL;
671 FILE *log_stderr = NULL;
672 BOOL log_testing_mode = FALSE;
673 BOOL log_timezone = FALSE;
674 uschar *login_sender_address = NULL;
675 int lookup_open_max = 25;
676 uschar *lookup_value = NULL;
678 macro_item *macros = NULL;
679 uschar *mailstore_basename = NULL;
680 #ifdef WITH_CONTENT_SCAN
681 uschar *malware_name = NULL; /* Virus Name */
683 int max_username_length = 0;
685 uschar *message_body = NULL;
686 uschar *message_body_end = NULL;
687 int message_body_size = 0;
688 int message_body_visible = 500;
689 int message_ended = END_NOTSTARTED;
690 uschar *message_headers = NULL;
692 uschar *message_id_domain = NULL;
693 uschar *message_id_text = NULL;
694 struct timeval message_id_tv = { 0, 0 };
695 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
696 uschar *message_id_external;
697 int message_linecount = 0;
698 BOOL message_logs = TRUE;
699 int message_size = 0;
700 uschar *message_size_limit = US"50M";
701 uschar message_subdir[2] = { 0, 0 };
702 uschar *message_reference = NULL;
704 /* MIME ACL expandables */
705 #ifdef WITH_CONTENT_SCAN
706 int mime_anomaly_level = 0;
707 uschar *mime_anomaly_text = NULL;
708 uschar *mime_boundary = NULL;
709 uschar *mime_charset = NULL;
710 uschar *mime_content_description = NULL;
711 uschar *mime_content_disposition = NULL;
712 uschar *mime_content_id = NULL;
713 unsigned int mime_content_size = 0;
714 uschar *mime_content_transfer_encoding = NULL;
715 uschar *mime_content_type = NULL;
716 uschar *mime_decoded_filename = NULL;
717 uschar *mime_filename = NULL;
718 int mime_is_multipart = 0;
719 int mime_is_coverletter = 0;
720 int mime_is_rfc822 = 0;
721 int mime_part_count = -1;
724 BOOL mua_wrapper = FALSE;
726 uid_t *never_users = NULL;
727 #ifdef WITH_CONTENT_SCAN
728 BOOL no_mbox_unspool = FALSE;
730 BOOL no_multiline_responses = FALSE;
733 gid_t originator_gid;
734 uschar *originator_login = NULL;
735 uschar *originator_name = NULL;
736 uid_t originator_uid;
737 uschar *override_local_interfaces = NULL;
738 uschar *override_pid_file_path = NULL;
740 BOOL parse_allow_group = FALSE;
741 BOOL parse_found_group = FALSE;
742 uschar *percent_hack_domains = NULL;
743 uschar *pid_file_path = US PID_FILE_PATH
744 "\0<--------------Space to patch pid_file_path->";
745 uschar *pipelining_advertise_hosts = US"*";
746 BOOL preserve_message_logs = FALSE;
747 uschar *primary_hostname = NULL;
748 BOOL print_topbitchars = FALSE;
749 uschar process_info[PROCESS_INFO_SIZE];
750 uschar *process_log_path = NULL;
751 BOOL prod_requires_admin = TRUE;
753 uschar *qualify_domain_recipient = NULL;
754 uschar *qualify_domain_sender = NULL;
755 BOOL queue_2stage = FALSE;
756 uschar *queue_domains = NULL;
757 int queue_interval = -1;
758 BOOL queue_list_requires_admin = TRUE;
759 BOOL queue_only = FALSE;
760 uschar *queue_only_file = NULL;
761 int queue_only_load = -1;
762 BOOL queue_only_override = TRUE;
763 BOOL queue_only_policy = FALSE;
764 BOOL queue_run_first_delivery = FALSE;
765 BOOL queue_run_force = FALSE;
766 BOOL queue_run_in_order = FALSE;
767 BOOL queue_run_local = FALSE;
768 int queue_run_max = 5;
769 pid_t queue_run_pid = (pid_t)0;
770 int queue_run_pipe = -1;
771 BOOL queue_running = FALSE;
772 BOOL queue_smtp = FALSE;
773 uschar *queue_smtp_domains = NULL;
775 unsigned int random_seed = 0;
776 uschar *raw_active_hostname = NULL;
777 uschar *raw_sender = NULL;
778 uschar **raw_recipients = NULL;
779 int raw_recipients_count = 0;
782 int rcpt_fail_count = 0;
783 int rcpt_defer_count = 0;
786 BOOL really_exim = TRUE;
787 BOOL receive_call_bombout = FALSE;
788 int receive_linecount = 0;
789 int receive_messagecount = 0;
790 int receive_timeout = 0;
791 int received_count = 0;
792 uschar *received_for = NULL;
794 /* This is the default text for Received headers generated by Exim. The
795 date will be automatically added on the end. */
797 uschar *received_header_text = US
799 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
800 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
801 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
802 "by $primary_hostname "
803 "${if def:received_protocol {with $received_protocol}} "
805 "${if def:tls_cipher {($tls_cipher)\n\t}}"
807 "(Exim $version_number)\n\t"
809 "${if def:received_for {\n\tfor $received_for}}"
810 "\0<---------------Space to patch received_header_text->";
812 int received_headers_max = 30;
813 uschar *received_protocol = NULL;
814 int received_time = 0;
815 uschar *recipient_data = NULL;
816 uschar *recipient_unqualified_hosts = NULL;
817 uschar *recipient_verify_failure = NULL;
818 int recipients_count = 0;
819 BOOL recipients_discarded = FALSE;
820 recipient_item *recipients_list = NULL;
821 int recipients_list_max = 0;
822 int recipients_max = 0;
823 BOOL recipients_max_reject = FALSE;
824 const pcre *regex_AUTH = NULL;
825 const pcre *regex_check_dns_names = NULL;
826 const pcre *regex_From = NULL;
827 const pcre *regex_PIPELINING = NULL;
828 const pcre *regex_SIZE = NULL;
829 const pcre *regex_ismsgid = NULL;
830 #ifdef WITH_CONTENT_SCAN
831 uschar *regex_match_string = NULL;
833 int remote_delivery_count = 0;
834 int remote_max_parallel = 2;
835 uschar *remote_sort_domains = NULL;
836 int retry_data_expire = 7*24*60*60;
837 int retry_interval_max = 24*60*60;
838 int retry_maximum_timeout = 0; /* set from retry config */
839 retry_config *retries = NULL;
840 uschar *return_path = NULL;
841 BOOL return_path_remove = TRUE;
842 int rewrite_existflags = 0;
843 uschar *rfc1413_hosts = US"*";
844 int rfc1413_query_timeout = 30;
845 /* BOOL rfc821_domains = FALSE; <<< on the way out */
846 uid_t root_uid = ROOT_UID;
848 router_instance *routers = NULL;
849 router_instance router_defaults = {
850 NULL, /* chain pointer */
853 NULL, /* private options block pointer */
854 NULL, /* driver name */
856 NULL, /* address_data */
857 #ifdef EXPERIMENTAL_BRIGHTMAIL
860 NULL, /* cannot_route_message */
861 NULL, /* condition */
862 NULL, /* current_directory */
863 NULL, /* debug_string */
865 NULL, /* errors_to */
866 NULL, /* expand_gid */
867 NULL, /* expand_uid */
868 NULL, /* expand_more */
869 NULL, /* expand_unseen */
870 NULL, /* extra_headers */
871 NULL, /* fallback_hosts */
872 NULL, /* home_directory */
873 NULL, /* ignore_target_hosts */
874 NULL, /* local_parts */
875 NULL, /* pass_router_name */
877 NULL, /* redirect_router_name */
878 NULL, /* remove_headers */
879 NULL, /* require_files */
880 NULL, /* router_home_directory */
881 US"freeze", /* self */
884 NULL, /* translate_ip_address */
885 NULL, /* transport_name */
887 TRUE, /* address_test */
888 #ifdef EXPERIMENTAL_BRIGHTMAIL
889 FALSE, /* bmi_deliver_alternate */
890 FALSE, /* bmi_deliver_default */
891 FALSE, /* bmi_dont_deliver */
894 FALSE, /* caseful_local_part */
895 FALSE, /* check_local_user */
896 FALSE, /* disable_logging */
897 FALSE, /* fail_verify_recipient */
898 FALSE, /* fail_verify_sender */
900 FALSE, /* initgroups */
901 TRUE_UNSET, /* log_as_local */
903 FALSE, /* pass_on_timeout */
904 FALSE, /* prefix_optional */
905 TRUE, /* repeat_use */
906 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
907 FALSE, /* same_domain_copy_routing */
908 FALSE, /* self_rewrite */
909 FALSE, /* suffix_optional */
910 FALSE, /* verify_only */
911 TRUE, /* verify_recipient */
912 TRUE, /* verify_sender */
916 self_freeze, /* self_code */
917 (uid_t)(-1), /* uid */
918 (gid_t)(-1), /* gid */
920 NULL, /* fallback_hostlist */
921 NULL, /* transport instance */
922 NULL, /* pass_router */
923 NULL /* redirect_router */
926 ip_address_item *running_interfaces = NULL;
927 BOOL running_in_test_harness = FALSE;
929 /* This is a weird one. The following string gets patched in the binary by the
930 script that sets up a copy of Exim for running in the test harness. It seems
931 that compilers are now clever, and share constant strings if they can.
932 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
933 make use of the end of this string in order to save space. So the patching then
934 wrecks this. We default this optimization by adding some additional characters
935 onto the end of the string. */
937 uschar *running_status = US">>>running<<<" "\0EXTRA";
941 uschar *search_error_message = NULL;
942 BOOL search_find_defer = FALSE;
943 uschar *self_hostname = NULL;
944 uschar *sender_address = NULL;
945 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
946 uschar *sender_address_data = NULL;
947 BOOL sender_address_forced = FALSE;
948 uschar *sender_address_unrewritten = NULL;
949 uschar *sender_data = NULL;
950 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
951 uschar *sender_fullhost = NULL;
952 uschar *sender_helo_name = NULL;
953 uschar **sender_host_aliases = &no_aliases;
954 uschar *sender_host_address = NULL;
955 uschar *sender_host_authenticated = NULL;
956 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
957 uschar *sender_host_name = NULL;
958 int sender_host_port = 0;
959 BOOL sender_host_notsocket = FALSE;
960 BOOL sender_host_unknown = FALSE;
961 uschar *sender_ident = NULL;
962 BOOL sender_local = FALSE;
963 uschar *sender_rcvhost = NULL;
964 BOOL sender_set_untrusted = FALSE;
965 uschar *sender_unqualified_hosts = NULL;
966 uschar *sender_verify_failure = NULL;
967 address_item *sender_verified_list = NULL;
968 address_item *sender_verified_failed = NULL;
969 int sender_verified_rc = -1;
970 BOOL sender_verified_responded = FALSE;
971 volatile BOOL sigalrm_seen = FALSE;
972 uschar **sighup_argv = NULL;
973 int smtp_accept_count = 0;
974 BOOL smtp_accept_keepalive = TRUE;
975 int smtp_accept_max = 20;
976 int smtp_accept_max_nonmail= 10;
977 uschar *smtp_accept_max_nonmail_hosts = US"*";
978 int smtp_accept_max_per_connection = 1000;
979 uschar *smtp_accept_max_per_host = NULL;
980 int smtp_accept_queue = 0;
981 int smtp_accept_queue_per_connection = 10;
982 int smtp_accept_reserve = 0;
983 uschar *smtp_active_hostname = NULL;
984 BOOL smtp_authenticated = FALSE;
985 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
986 "Exim $version_number $tod_full"
987 "\0<---------------Space to patch smtp_banner->";
988 BOOL smtp_batched_input = FALSE;
989 BOOL smtp_check_spool_space = TRUE;
990 uschar *smtp_command_argument = NULL;
991 int smtp_connect_backlog = 20;
992 double smtp_delay_mail = 0.0;
993 double smtp_delay_rcpt = 0.0;
994 BOOL smtp_enforce_sync = TRUE;
995 FILE *smtp_in = NULL;
996 BOOL smtp_input = FALSE;
997 int smtp_load_reserve = -1;
998 int smtp_mailcmd_count = 0;
999 FILE *smtp_out = NULL;
1000 uschar *smtp_etrn_command = NULL;
1001 BOOL smtp_etrn_serialize = TRUE;
1002 int smtp_max_synprot_errors= 3;
1003 int smtp_max_unknown_commands = 3;
1004 uschar *smtp_ratelimit_hosts = NULL;
1005 uschar *smtp_ratelimit_mail = NULL;
1006 uschar *smtp_ratelimit_rcpt = NULL;
1007 uschar *smtp_read_error = US"";
1008 int smtp_receive_timeout = 5*60;
1009 uschar *smtp_reserve_hosts = NULL;
1010 BOOL smtp_return_error_details = FALSE;
1011 int smtp_rlm_base = 0;
1012 double smtp_rlm_factor = 0.0;
1013 int smtp_rlm_limit = 0;
1014 int smtp_rlm_threshold = INT_MAX;
1015 int smtp_rlr_base = 0;
1016 double smtp_rlr_factor = 0.0;
1017 int smtp_rlr_limit = 0;
1018 int smtp_rlr_threshold = INT_MAX;
1019 BOOL smtp_use_pipelining = FALSE;
1020 BOOL smtp_use_size = FALSE;
1022 #ifdef WITH_CONTENT_SCAN
1023 uschar *spamd_address = US"127.0.0.1 783";
1024 uschar *spam_bar = NULL;
1025 uschar *spam_report = NULL;
1026 uschar *spam_score = NULL;
1027 uschar *spam_score_int = NULL;
1029 #ifdef EXPERIMENTAL_SPF
1030 uschar *spf_header_comment = NULL;
1031 uschar *spf_received = NULL;
1032 uschar *spf_result = NULL;
1033 uschar *spf_smtp_comment = NULL;
1036 BOOL split_spool_directory = FALSE;
1037 uschar *spool_directory = US SPOOL_DIRECTORY
1038 "\0<--------------Space to patch spool_directory->";
1039 #ifdef EXPERIMENTAL_SRS
1040 uschar *srs_config = NULL;
1041 uschar *srs_db_address = NULL;
1042 uschar *srs_db_key = NULL;
1043 uschar *srs_orig_recipient = NULL;
1044 uschar *srs_orig_sender = NULL;
1045 uschar *srs_recipient = NULL;
1046 uschar *srs_status = NULL;
1048 int string_datestamp_offset= -1;
1049 BOOL strip_excess_angle_brackets = FALSE;
1050 BOOL strip_trailing_dot = FALSE;
1051 uschar *submission_domain = NULL;
1052 BOOL submission_mode = FALSE;
1053 BOOL synchronous_delivery = FALSE;
1054 BOOL syslog_duplication = TRUE;
1055 int syslog_facility = LOG_MAIL;
1056 uschar *syslog_processname = US"exim";
1057 BOOL syslog_timestamp = TRUE;
1058 uschar *system_filter = NULL;
1060 uschar *system_filter_directory_transport = NULL;
1061 uschar *system_filter_file_transport = NULL;
1062 uschar *system_filter_pipe_transport = NULL;
1063 uschar *system_filter_reply_transport = NULL;
1065 gid_t system_filter_gid = 0;
1066 BOOL system_filter_gid_set = FALSE;
1067 uid_t system_filter_uid = 0;
1068 BOOL system_filter_uid_set = FALSE;
1069 BOOL system_filtering = FALSE;
1071 BOOL tcp_nodelay = TRUE;
1072 int thismessage_size_limit = 0;
1073 int timeout_frozen_after = 0;
1074 BOOL timestamps_utc = FALSE;
1076 transport_instance *transports = NULL;
1078 transport_instance transport_defaults = {
1079 NULL, /* chain pointer */
1082 NULL, /* private options block pointer */
1083 NULL, /* driver name */
1084 NULL, /* setup entry point */
1086 NULL, /* batch_id */
1087 NULL, /* home_dir */
1088 NULL, /* current_dir */
1089 TRUE, /* multi-domain */
1090 FALSE, /* overrides_hosts */
1091 100, /* max_addresses */
1092 500, /* connection_max_messages */
1093 FALSE, /* deliver_as_creator */
1094 FALSE, /* disable_logging */
1095 FALSE, /* initgroups */
1096 FALSE, /* uid_set */
1097 FALSE, /* gid_set */
1098 (uid_t)(-1), /* uid */
1099 (gid_t)(-1), /* gid */
1100 NULL, /* expand_uid */
1101 NULL, /* expand_gid */
1102 NULL, /* warn_message */
1104 NULL, /* shadow_condition */
1105 NULL, /* filter_command */
1106 NULL, /* add_headers */
1107 NULL, /* remove_headers */
1108 NULL, /* return_path */
1109 NULL, /* debug_string */
1110 NULL, /* message_size_limit */
1111 NULL, /* headers_rewrite */
1112 NULL, /* rewrite_rules */
1113 0, /* rewrite_existflags */
1114 300, /* filter_timeout */
1115 FALSE, /* body_only */
1116 FALSE, /* delivery_date_add */
1117 FALSE, /* envelope_to_add */
1118 FALSE, /* headers_only */
1119 FALSE, /* rcpt_include_affixes */
1120 FALSE, /* return_path_add */
1121 FALSE, /* return_output */
1122 FALSE, /* return_fail_output */
1123 FALSE, /* log_output */
1124 FALSE, /* log_fail_output */
1125 FALSE, /* log_defer_output */
1126 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1127 1 nor 0 so can detect unset */
1130 int transport_count;
1131 uschar **transport_filter_argv = NULL;
1132 int transport_filter_timeout;
1133 int transport_write_timeout= 0;
1135 tree_node *tree_dns_fails = NULL;
1136 tree_node *tree_duplicates = NULL;
1137 tree_node *tree_nonrecipients = NULL;
1138 tree_node *tree_unusable = NULL;
1140 BOOL trusted_caller = FALSE;
1141 gid_t *trusted_groups = NULL;
1142 uid_t *trusted_users = NULL;
1143 uschar *timezone_string = US TIMEZONE_DEFAULT;
1145 uschar *unknown_login = NULL;
1146 uschar *unknown_username = NULL;
1147 uschar *untrusted_set_sender = NULL;
1149 /* A regex for matching a "From_" line in an incoming message, in the form
1151 From ph10 Fri Jan 5 12:35 GMT 1996
1153 which the "mail" commands send to the MTA (undocumented, of course), or in
1156 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1158 which is apparently used by some UUCPs, despite it not being in RFC 976.
1159 Because of variations in time formats, just match up to the minutes. That
1160 should be sufficient. Examples have been seen of time fields like 12:1:03,
1161 so just require one digit for hours and minutes. The weekday is also absent
1164 uschar *uucp_from_pattern = US
1165 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1166 "(?:" /* Non-extracting bracket */
1167 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1168 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1169 ")" /* End alternation */
1170 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1172 uschar *uucp_from_sender = US"$1";
1174 uschar *warn_message_file = NULL;
1175 uschar *warnmsg_delay = NULL;
1176 uschar *warnmsg_recipients = NULL;
1177 BOOL write_rejectlog = TRUE;
1179 uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1180 uschar *version_date = US"?";
1181 uschar *version_cnumber = US"????";
1182 uschar *version_string = US"?";
1184 int warning_count = 0;
1186 /* End of globals.c */