1 /* $Cambridge: exim/src/src/globals.c,v 1.26 2005/05/23 16:58:56 fanf2 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 uschar *csa_status = NULL;
390 BOOL daemon_listen = FALSE;
391 uschar *daemon_smtp_port = US"smtp";
392 BOOL debug_daemon = FALSE;
394 FILE *debug_file = NULL;
395 bit_table debug_options[] = {
398 { US"auth", D_auth },
399 { US"deliver", D_deliver },
401 { US"dnsbl", D_dnsbl },
402 { US"exec", D_exec },
403 { US"expand", D_expand },
404 { US"filter", D_filter },
405 { US"hints_lookup", D_hints_lookup },
406 { US"host_lookup", D_host_lookup },
407 { US"ident", D_ident },
408 { US"interface", D_interface },
409 { US"lists", D_lists },
410 { US"load", D_load },
411 { US"local_scan", D_local_scan },
412 { US"lookup", D_lookup },
413 { US"memory", D_memory },
415 { US"process_info", D_process_info },
416 { US"queue_run", D_queue_run },
417 { US"receive", D_receive },
418 { US"resolver", D_resolver },
419 { US"retry", D_retry },
420 { US"rewrite", D_rewrite },
421 { US"route", D_route },
422 { US"timestamp", D_timestamp },
424 { US"transport", D_transport },
426 { US"verify", D_verify }
428 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
429 unsigned int debug_selector = 0;
430 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
431 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
432 BOOL delivery_date_remove = TRUE;
433 uschar *deliver_address_data = NULL;
434 int deliver_datafile = -1;
435 uschar *deliver_domain = NULL;
436 uschar *deliver_domain_data = NULL;
437 uschar *deliver_domain_orig = NULL;
438 uschar *deliver_domain_parent = NULL;
439 BOOL deliver_drop_privilege = FALSE;
440 BOOL deliver_firsttime = FALSE;
441 BOOL deliver_force = FALSE;
442 BOOL deliver_freeze = FALSE;
443 int deliver_frozen_at = 0;
444 uschar *deliver_home = NULL;
445 uschar *deliver_host = NULL;
446 uschar *deliver_host_address = NULL;
447 uschar *deliver_in_buffer = NULL;
448 ino_t deliver_inode = 0;
449 uschar *deliver_localpart = NULL;
450 uschar *deliver_localpart_data = NULL;
451 uschar *deliver_localpart_orig = NULL;
452 uschar *deliver_localpart_parent = NULL;
453 uschar *deliver_localpart_prefix = NULL;
454 uschar *deliver_localpart_suffix = NULL;
455 BOOL deliver_force_thaw = FALSE;
456 BOOL deliver_manual_thaw = FALSE;
457 uschar *deliver_out_buffer = NULL;
458 int deliver_queue_load_max = -1;
459 address_item *deliver_recipients = NULL;
460 uschar *deliver_selectstring = NULL;
461 BOOL deliver_selectstring_regex = FALSE;
462 uschar *deliver_selectstring_sender = NULL;
463 BOOL deliver_selectstring_sender_regex = FALSE;
464 #ifdef WITH_OLD_DEMIME
465 int demime_errorlevel = 0;
467 uschar *demime_reason = NULL;
469 BOOL disable_logging = FALSE;
471 #ifdef EXPERIMENTAL_DOMAINKEYS
472 uschar *dk_signing_domain = NULL;
473 uschar *dk_signing_selector = NULL;
474 int dk_do_verify = 0;
477 uschar *dns_again_means_nonexist = NULL;
478 int dns_csa_search_limit = 5;
479 BOOL dns_csa_use_reverse = TRUE;
480 uschar *dns_ipv4_lookup = NULL;
483 uschar *dnslist_domain = NULL;
484 uschar *dnslist_text = NULL;
485 uschar *dnslist_value = NULL;
486 tree_node *domainlist_anchor = NULL;
487 int domainlist_count = 0;
488 BOOL dont_deliver = FALSE;
489 BOOL dot_ends = TRUE;
490 BOOL drop_cr = FALSE; /* No longer used */
492 BOOL enable_dollar_recipients = FALSE;
493 BOOL envelope_to_remove = TRUE;
494 int errno_quota = ERRNO_QUOTA;
495 uschar *errors_copy = NULL;
496 int error_handling = ERRORS_SENDER;
497 uschar *errors_reply_to = NULL;
498 int errors_sender_rc = EXIT_FAILURE;
500 gid_t exim_gid = EXIM_GID;
501 BOOL exim_gid_set = TRUE; /* This gid is always set */
502 uschar *exim_path = US BIN_DIRECTORY "/exim"
503 "\0<---------------Space to patch exim_path->";
504 uid_t exim_uid = EXIM_UID;
505 BOOL exim_uid_set = TRUE; /* This uid is always set */
506 int expand_forbid = 0;
507 int expand_nlength[EXPAND_MAXN+1];
508 int expand_nmax = -1;
509 uschar *expand_nstring[EXPAND_MAXN+1];
510 BOOL expand_string_forcedfail = FALSE;
511 uschar *expand_string_message;
512 BOOL extract_addresses_remove_arguments = TRUE;
513 uschar *extra_local_interfaces = NULL;
515 int fake_response = OK;
516 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).";
517 int filter_n[FILTER_VARIABLE_COUNT];
518 BOOL filter_running = FALSE;
519 int filter_sn[FILTER_VARIABLE_COUNT];
520 int filter_test = FTEST_NONE;
521 uschar *filter_test_sfile = NULL;
522 uschar *filter_test_ufile = NULL;
523 uschar *filter_thisaddress = NULL;
524 int finduser_retries = 0;
525 #ifdef WITH_OLD_DEMIME
526 uschar *found_extension = NULL;
528 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
529 uschar *freeze_tell = NULL;
530 uschar *fudged_queue_times = US"";
532 uschar *gecos_name = NULL;
533 uschar *gecos_pattern = NULL;
534 rewrite_rule *global_rewrite_rules = NULL;
536 uschar *headers_charset = US HEADERS_CHARSET;
537 int header_insert_maxlen = 64 * 1024;
538 header_line *header_last = NULL;
539 header_line *header_list = NULL;
540 int header_maxsize = HEADER_MAXSIZE;
541 int header_line_maxsize = 0;
543 header_name header_names[] = {
544 { US"bcc", 3, TRUE, htype_bcc },
545 { US"cc", 2, TRUE, htype_cc },
546 { US"date", 4, TRUE, htype_date },
547 { US"delivery-date", 13, FALSE, htype_delivery_date },
548 { US"envelope-to", 11, FALSE, htype_envelope_to },
549 { US"from", 4, TRUE, htype_from },
550 { US"message-id", 10, TRUE, htype_id },
551 { US"received", 8, FALSE, htype_received },
552 { US"reply-to", 8, FALSE, htype_reply_to },
553 { US"return-path", 11, FALSE, htype_return_path },
554 { US"sender", 6, TRUE, htype_sender },
555 { US"subject", 7, FALSE, htype_subject },
556 { US"to", 2, TRUE, htype_to }
559 int header_names_size = sizeof(header_names)/sizeof(header_name);
561 BOOL header_rewritten = FALSE;
562 uschar *helo_accept_junk_hosts = NULL;
563 uschar *helo_allow_chars = US"";
564 uschar *helo_lookup_domains = US"@ : @[]";
565 uschar *helo_try_verify_hosts = NULL;
566 BOOL helo_verified = FALSE;
567 uschar *helo_verify_hosts = NULL;
568 uschar *hex_digits = US"0123456789abcdef";
569 uschar *hold_domains = NULL;
570 BOOL host_checking = FALSE;
571 BOOL host_checking_callout = FALSE;
572 uschar *host_data = NULL;
573 BOOL host_find_failed_syntax= FALSE;
574 uschar *host_lookup = NULL;
575 BOOL host_lookup_deferred = FALSE;
576 BOOL host_lookup_failed = FALSE;
577 uschar *host_lookup_order = US"bydns:byaddr";
578 uschar *host_lookup_msg = US"";
580 uschar *host_number_string = NULL;
581 uschar *host_reject_connection = NULL;
582 tree_node *hostlist_anchor = NULL;
583 int hostlist_count = 0;
584 uschar *hosts_treat_as_local = NULL;
585 uschar *hosts_connection_nolog = NULL;
587 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
588 BOOL ignore_fromline_local = FALSE;
589 uschar *ignore_fromline_hosts = NULL;
590 uschar *interface_address = NULL;
591 int interface_port = -1;
592 BOOL is_inetd = FALSE;
596 int keep_malformed = 4*24*60*60; /* 4 days */
598 uschar *eldap_dn = NULL;
599 int load_average = -2;
600 BOOL local_error_message = FALSE;
601 BOOL local_from_check = TRUE;
602 uschar *local_from_prefix = NULL;
603 uschar *local_from_suffix = NULL;
606 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
608 uschar *local_interfaces = US"0.0.0.0";
611 uschar *local_scan_data = NULL;
612 int local_scan_timeout = 5*60;
613 BOOL local_sender_retain = FALSE;
614 gid_t local_user_gid = (gid_t)(-1);
615 uid_t local_user_uid = (uid_t)(-1);
617 tree_node *localpartlist_anchor= NULL;
618 int localpartlist_count = 0;
619 uschar *log_buffer = NULL;
620 unsigned int log_extra_selector = LX_default;
621 uschar *log_file_path = US LOG_FILE_PATH
622 "\0<--------------Space to patch log_file_path->";
624 /* Those log options with L_xxx identifiers have values less than 0x800000 and
625 are the ones that get put into log_write_selector. They can be used in calls to
626 log_write() to test for the bit. The options with LX_xxx identifiers have
627 values greater than 0x80000000 and are put int log_extra_selector (without the
628 top bit). They are never used in calls to log_write(), but are tested
629 independently. This separation became necessary when the number of log
630 selectors was getting close to filling a 32-bit word. */
632 bit_table log_options[] = {
633 { US"address_rewrite", L_address_rewrite },
635 { US"all_parents", L_all_parents },
636 { US"arguments", LX_arguments },
637 { US"connection_reject", L_connection_reject },
638 { US"delay_delivery", L_delay_delivery },
639 { US"deliver_time", LX_deliver_time },
640 { US"delivery_size", LX_delivery_size },
641 { US"dnslist_defer", L_dnslist_defer },
642 { US"etrn", L_etrn },
643 { US"host_lookup_failed", L_host_lookup_failed },
644 { US"ident_timeout", LX_ident_timeout },
645 { US"incoming_interface", LX_incoming_interface },
646 { US"incoming_port", LX_incoming_port },
647 { US"lost_incoming_connection", L_lost_incoming_connection },
648 { US"outgoing_port", LX_outgoing_port },
649 { US"queue_run", L_queue_run },
650 { US"queue_time", LX_queue_time },
651 { US"queue_time_overall", LX_queue_time_overall },
652 { US"received_recipients", LX_received_recipients },
653 { US"received_sender", LX_received_sender },
654 { US"rejected_header", LX_rejected_header },
655 { US"rejected_headers", LX_rejected_header },
656 { US"retry_defer", L_retry_defer },
657 { US"return_path_on_delivery", LX_return_path_on_delivery },
658 { US"sender_on_delivery", LX_sender_on_delivery },
659 { US"size_reject", L_size_reject },
660 { US"skip_delivery", L_skip_delivery },
661 { US"smtp_confirmation", LX_smtp_confirmation },
662 { US"smtp_connection", L_smtp_connection },
663 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
664 { US"smtp_protocol_error", L_smtp_protocol_error },
665 { US"smtp_syntax_error", L_smtp_syntax_error },
666 { US"subject", LX_subject },
667 { US"tls_certificate_verified", LX_tls_certificate_verified },
668 { US"tls_cipher", LX_tls_cipher },
669 { US"tls_peerdn", LX_tls_peerdn }
672 int log_options_count = sizeof(log_options)/sizeof(bit_table);
673 unsigned int log_write_selector= L_default;
674 uschar *log_selector_string = NULL;
675 FILE *log_stderr = NULL;
676 BOOL log_testing_mode = FALSE;
677 BOOL log_timezone = FALSE;
678 uschar *login_sender_address = NULL;
679 int lookup_open_max = 25;
680 uschar *lookup_value = NULL;
682 macro_item *macros = NULL;
683 uschar *mailstore_basename = NULL;
684 #ifdef WITH_CONTENT_SCAN
685 uschar *malware_name = NULL; /* Virus Name */
687 int max_username_length = 0;
689 uschar *message_body = NULL;
690 uschar *message_body_end = NULL;
691 int message_body_size = 0;
692 int message_body_visible = 500;
693 int message_ended = END_NOTSTARTED;
694 uschar *message_headers = NULL;
696 uschar *message_id_domain = NULL;
697 uschar *message_id_text = NULL;
698 struct timeval message_id_tv = { 0, 0 };
699 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
700 uschar *message_id_external;
701 int message_linecount = 0;
702 BOOL message_logs = TRUE;
703 int message_size = 0;
704 uschar *message_size_limit = US"50M";
705 uschar message_subdir[2] = { 0, 0 };
706 uschar *message_reference = NULL;
708 /* MIME ACL expandables */
709 #ifdef WITH_CONTENT_SCAN
710 int mime_anomaly_level = 0;
711 uschar *mime_anomaly_text = NULL;
712 uschar *mime_boundary = NULL;
713 uschar *mime_charset = NULL;
714 uschar *mime_content_description = NULL;
715 uschar *mime_content_disposition = NULL;
716 uschar *mime_content_id = NULL;
717 unsigned int mime_content_size = 0;
718 uschar *mime_content_transfer_encoding = NULL;
719 uschar *mime_content_type = NULL;
720 uschar *mime_decoded_filename = NULL;
721 uschar *mime_filename = NULL;
722 int mime_is_multipart = 0;
723 int mime_is_coverletter = 0;
724 int mime_is_rfc822 = 0;
725 int mime_part_count = -1;
728 BOOL mua_wrapper = FALSE;
730 uid_t *never_users = NULL;
731 #ifdef WITH_CONTENT_SCAN
732 BOOL no_mbox_unspool = FALSE;
734 BOOL no_multiline_responses = FALSE;
737 gid_t originator_gid;
738 uschar *originator_login = NULL;
739 uschar *originator_name = NULL;
740 uid_t originator_uid;
741 uschar *override_local_interfaces = NULL;
742 uschar *override_pid_file_path = NULL;
744 BOOL parse_allow_group = FALSE;
745 BOOL parse_found_group = FALSE;
746 uschar *percent_hack_domains = NULL;
747 uschar *pid_file_path = US PID_FILE_PATH
748 "\0<--------------Space to patch pid_file_path->";
749 uschar *pipelining_advertise_hosts = US"*";
750 BOOL preserve_message_logs = FALSE;
751 uschar *primary_hostname = NULL;
752 BOOL print_topbitchars = FALSE;
753 uschar process_info[PROCESS_INFO_SIZE];
754 uschar *process_log_path = NULL;
755 BOOL prod_requires_admin = TRUE;
757 uschar *qualify_domain_recipient = NULL;
758 uschar *qualify_domain_sender = NULL;
759 BOOL queue_2stage = FALSE;
760 uschar *queue_domains = NULL;
761 int queue_interval = -1;
762 BOOL queue_list_requires_admin = TRUE;
763 BOOL queue_only = FALSE;
764 uschar *queue_only_file = NULL;
765 int queue_only_load = -1;
766 BOOL queue_only_override = TRUE;
767 BOOL queue_only_policy = FALSE;
768 BOOL queue_run_first_delivery = FALSE;
769 BOOL queue_run_force = FALSE;
770 BOOL queue_run_in_order = FALSE;
771 BOOL queue_run_local = FALSE;
772 int queue_run_max = 5;
773 pid_t queue_run_pid = (pid_t)0;
774 int queue_run_pipe = -1;
775 BOOL queue_running = FALSE;
776 BOOL queue_smtp = FALSE;
777 uschar *queue_smtp_domains = NULL;
779 unsigned int random_seed = 0;
780 tree_node *ratelimiters_conn = NULL;
781 tree_node *ratelimiters_mail = NULL;
782 uschar *raw_active_hostname = NULL;
783 uschar *raw_sender = NULL;
784 uschar **raw_recipients = NULL;
785 int raw_recipients_count = 0;
788 int rcpt_fail_count = 0;
789 int rcpt_defer_count = 0;
792 BOOL really_exim = TRUE;
793 BOOL receive_call_bombout = FALSE;
794 int receive_linecount = 0;
795 int receive_messagecount = 0;
796 int receive_timeout = 0;
797 int received_count = 0;
798 uschar *received_for = NULL;
800 /* This is the default text for Received headers generated by Exim. The
801 date will be automatically added on the end. */
803 uschar *received_header_text = US
805 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
806 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
807 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
808 "by $primary_hostname "
809 "${if def:received_protocol {with $received_protocol}} "
811 "${if def:tls_cipher {($tls_cipher)\n\t}}"
813 "(Exim $version_number)\n\t"
815 "${if def:received_for {\n\tfor $received_for}}"
816 "\0<---------------Space to patch received_header_text->";
818 int received_headers_max = 30;
819 uschar *received_protocol = NULL;
820 int received_time = 0;
821 uschar *recipient_data = NULL;
822 uschar *recipient_unqualified_hosts = NULL;
823 uschar *recipient_verify_failure = NULL;
824 int recipients_count = 0;
825 BOOL recipients_discarded = FALSE;
826 recipient_item *recipients_list = NULL;
827 int recipients_list_max = 0;
828 int recipients_max = 0;
829 BOOL recipients_max_reject = FALSE;
830 const pcre *regex_AUTH = NULL;
831 const pcre *regex_check_dns_names = NULL;
832 const pcre *regex_From = NULL;
833 const pcre *regex_PIPELINING = NULL;
834 const pcre *regex_SIZE = NULL;
835 const pcre *regex_ismsgid = NULL;
836 #ifdef WITH_CONTENT_SCAN
837 uschar *regex_match_string = NULL;
839 int remote_delivery_count = 0;
840 int remote_max_parallel = 2;
841 uschar *remote_sort_domains = NULL;
842 int retry_data_expire = 7*24*60*60;
843 int retry_interval_max = 24*60*60;
844 int retry_maximum_timeout = 0; /* set from retry config */
845 retry_config *retries = NULL;
846 uschar *return_path = NULL;
847 BOOL return_path_remove = TRUE;
848 int rewrite_existflags = 0;
849 uschar *rfc1413_hosts = US"*";
850 int rfc1413_query_timeout = 30;
851 /* BOOL rfc821_domains = FALSE; <<< on the way out */
852 uid_t root_uid = ROOT_UID;
854 router_instance *routers = NULL;
855 router_instance router_defaults = {
856 NULL, /* chain pointer */
859 NULL, /* private options block pointer */
860 NULL, /* driver name */
862 NULL, /* address_data */
863 #ifdef EXPERIMENTAL_BRIGHTMAIL
866 NULL, /* cannot_route_message */
867 NULL, /* condition */
868 NULL, /* current_directory */
869 NULL, /* debug_string */
871 NULL, /* errors_to */
872 NULL, /* expand_gid */
873 NULL, /* expand_uid */
874 NULL, /* expand_more */
875 NULL, /* expand_unseen */
876 NULL, /* extra_headers */
877 NULL, /* fallback_hosts */
878 NULL, /* home_directory */
879 NULL, /* ignore_target_hosts */
880 NULL, /* local_parts */
881 NULL, /* pass_router_name */
883 NULL, /* redirect_router_name */
884 NULL, /* remove_headers */
885 NULL, /* require_files */
886 NULL, /* router_home_directory */
887 US"freeze", /* self */
890 NULL, /* translate_ip_address */
891 NULL, /* transport_name */
893 TRUE, /* address_test */
894 #ifdef EXPERIMENTAL_BRIGHTMAIL
895 FALSE, /* bmi_deliver_alternate */
896 FALSE, /* bmi_deliver_default */
897 FALSE, /* bmi_dont_deliver */
900 FALSE, /* caseful_local_part */
901 FALSE, /* check_local_user */
902 FALSE, /* disable_logging */
903 FALSE, /* fail_verify_recipient */
904 FALSE, /* fail_verify_sender */
906 FALSE, /* initgroups */
907 TRUE_UNSET, /* log_as_local */
909 FALSE, /* pass_on_timeout */
910 FALSE, /* prefix_optional */
911 TRUE, /* repeat_use */
912 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
913 FALSE, /* same_domain_copy_routing */
914 FALSE, /* self_rewrite */
915 FALSE, /* suffix_optional */
916 FALSE, /* verify_only */
917 TRUE, /* verify_recipient */
918 TRUE, /* verify_sender */
922 self_freeze, /* self_code */
923 (uid_t)(-1), /* uid */
924 (gid_t)(-1), /* gid */
926 NULL, /* fallback_hostlist */
927 NULL, /* transport instance */
928 NULL, /* pass_router */
929 NULL /* redirect_router */
932 ip_address_item *running_interfaces = NULL;
933 BOOL running_in_test_harness = FALSE;
935 /* This is a weird one. The following string gets patched in the binary by the
936 script that sets up a copy of Exim for running in the test harness. It seems
937 that compilers are now clever, and share constant strings if they can.
938 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
939 make use of the end of this string in order to save space. So the patching then
940 wrecks this. We default this optimization by adding some additional characters
941 onto the end of the string. */
943 uschar *running_status = US">>>running<<<" "\0EXTRA";
947 uschar *search_error_message = NULL;
948 BOOL search_find_defer = FALSE;
949 uschar *self_hostname = NULL;
950 uschar *sender_address = NULL;
951 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
952 uschar *sender_address_data = NULL;
953 BOOL sender_address_forced = FALSE;
954 uschar *sender_address_unrewritten = NULL;
955 uschar *sender_data = NULL;
956 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
957 uschar *sender_fullhost = NULL;
958 uschar *sender_helo_name = NULL;
959 uschar **sender_host_aliases = &no_aliases;
960 uschar *sender_host_address = NULL;
961 uschar *sender_host_authenticated = NULL;
962 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
963 uschar *sender_host_name = NULL;
964 int sender_host_port = 0;
965 BOOL sender_host_notsocket = FALSE;
966 BOOL sender_host_unknown = FALSE;
967 uschar *sender_ident = NULL;
968 BOOL sender_local = FALSE;
969 uschar *sender_rate = NULL;
970 uschar *sender_rate_limit = NULL;
971 uschar *sender_rate_period = NULL;
972 uschar *sender_rcvhost = NULL;
973 BOOL sender_set_untrusted = FALSE;
974 uschar *sender_unqualified_hosts = NULL;
975 uschar *sender_verify_failure = NULL;
976 address_item *sender_verified_list = NULL;
977 address_item *sender_verified_failed = NULL;
978 int sender_verified_rc = -1;
979 BOOL sender_verified_responded = FALSE;
980 volatile BOOL sigalrm_seen = FALSE;
981 uschar **sighup_argv = NULL;
982 int smtp_accept_count = 0;
983 BOOL smtp_accept_keepalive = TRUE;
984 int smtp_accept_max = 20;
985 int smtp_accept_max_nonmail= 10;
986 uschar *smtp_accept_max_nonmail_hosts = US"*";
987 int smtp_accept_max_per_connection = 1000;
988 uschar *smtp_accept_max_per_host = NULL;
989 int smtp_accept_queue = 0;
990 int smtp_accept_queue_per_connection = 10;
991 int smtp_accept_reserve = 0;
992 uschar *smtp_active_hostname = NULL;
993 BOOL smtp_authenticated = FALSE;
994 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
995 "Exim $version_number $tod_full"
996 "\0<---------------Space to patch smtp_banner->";
997 BOOL smtp_batched_input = FALSE;
998 BOOL smtp_check_spool_space = TRUE;
999 uschar *smtp_command_argument = NULL;
1000 int smtp_connect_backlog = 20;
1001 double smtp_delay_mail = 0.0;
1002 double smtp_delay_rcpt = 0.0;
1003 BOOL smtp_enforce_sync = TRUE;
1004 FILE *smtp_in = NULL;
1005 BOOL smtp_input = FALSE;
1006 int smtp_load_reserve = -1;
1007 int smtp_mailcmd_count = 0;
1008 FILE *smtp_out = NULL;
1009 uschar *smtp_etrn_command = NULL;
1010 BOOL smtp_etrn_serialize = TRUE;
1011 int smtp_max_synprot_errors= 3;
1012 int smtp_max_unknown_commands = 3;
1013 uschar *smtp_ratelimit_hosts = NULL;
1014 uschar *smtp_ratelimit_mail = NULL;
1015 uschar *smtp_ratelimit_rcpt = NULL;
1016 uschar *smtp_read_error = US"";
1017 int smtp_receive_timeout = 5*60;
1018 uschar *smtp_reserve_hosts = NULL;
1019 BOOL smtp_return_error_details = FALSE;
1020 int smtp_rlm_base = 0;
1021 double smtp_rlm_factor = 0.0;
1022 int smtp_rlm_limit = 0;
1023 int smtp_rlm_threshold = INT_MAX;
1024 int smtp_rlr_base = 0;
1025 double smtp_rlr_factor = 0.0;
1026 int smtp_rlr_limit = 0;
1027 int smtp_rlr_threshold = INT_MAX;
1028 BOOL smtp_use_pipelining = FALSE;
1029 BOOL smtp_use_size = FALSE;
1031 #ifdef WITH_CONTENT_SCAN
1032 uschar *spamd_address = US"127.0.0.1 783";
1033 uschar *spam_bar = NULL;
1034 uschar *spam_report = NULL;
1035 uschar *spam_score = NULL;
1036 uschar *spam_score_int = NULL;
1038 #ifdef EXPERIMENTAL_SPF
1039 uschar *spf_header_comment = NULL;
1040 uschar *spf_received = NULL;
1041 uschar *spf_result = NULL;
1042 uschar *spf_smtp_comment = NULL;
1045 BOOL split_spool_directory = FALSE;
1046 uschar *spool_directory = US SPOOL_DIRECTORY
1047 "\0<--------------Space to patch spool_directory->";
1048 #ifdef EXPERIMENTAL_SRS
1049 uschar *srs_config = NULL;
1050 uschar *srs_db_address = NULL;
1051 uschar *srs_db_key = NULL;
1052 uschar *srs_orig_recipient = NULL;
1053 uschar *srs_orig_sender = NULL;
1054 uschar *srs_recipient = NULL;
1055 uschar *srs_status = NULL;
1057 int string_datestamp_offset= -1;
1058 BOOL strip_excess_angle_brackets = FALSE;
1059 BOOL strip_trailing_dot = FALSE;
1060 uschar *submission_domain = NULL;
1061 BOOL submission_mode = FALSE;
1062 BOOL synchronous_delivery = FALSE;
1063 BOOL syslog_duplication = TRUE;
1064 int syslog_facility = LOG_MAIL;
1065 uschar *syslog_processname = US"exim";
1066 BOOL syslog_timestamp = TRUE;
1067 uschar *system_filter = NULL;
1069 uschar *system_filter_directory_transport = NULL;
1070 uschar *system_filter_file_transport = NULL;
1071 uschar *system_filter_pipe_transport = NULL;
1072 uschar *system_filter_reply_transport = NULL;
1074 gid_t system_filter_gid = 0;
1075 BOOL system_filter_gid_set = FALSE;
1076 uid_t system_filter_uid = 0;
1077 BOOL system_filter_uid_set = FALSE;
1078 BOOL system_filtering = FALSE;
1080 BOOL tcp_nodelay = TRUE;
1081 int thismessage_size_limit = 0;
1082 int timeout_frozen_after = 0;
1083 BOOL timestamps_utc = FALSE;
1085 transport_instance *transports = NULL;
1087 transport_instance transport_defaults = {
1088 NULL, /* chain pointer */
1091 NULL, /* private options block pointer */
1092 NULL, /* driver name */
1093 NULL, /* setup entry point */
1095 NULL, /* batch_id */
1096 NULL, /* home_dir */
1097 NULL, /* current_dir */
1098 TRUE, /* multi-domain */
1099 FALSE, /* overrides_hosts */
1100 100, /* max_addresses */
1101 500, /* connection_max_messages */
1102 FALSE, /* deliver_as_creator */
1103 FALSE, /* disable_logging */
1104 FALSE, /* initgroups */
1105 FALSE, /* uid_set */
1106 FALSE, /* gid_set */
1107 (uid_t)(-1), /* uid */
1108 (gid_t)(-1), /* gid */
1109 NULL, /* expand_uid */
1110 NULL, /* expand_gid */
1111 NULL, /* warn_message */
1113 NULL, /* shadow_condition */
1114 NULL, /* filter_command */
1115 NULL, /* add_headers */
1116 NULL, /* remove_headers */
1117 NULL, /* return_path */
1118 NULL, /* debug_string */
1119 NULL, /* message_size_limit */
1120 NULL, /* headers_rewrite */
1121 NULL, /* rewrite_rules */
1122 0, /* rewrite_existflags */
1123 300, /* filter_timeout */
1124 FALSE, /* body_only */
1125 FALSE, /* delivery_date_add */
1126 FALSE, /* envelope_to_add */
1127 FALSE, /* headers_only */
1128 FALSE, /* rcpt_include_affixes */
1129 FALSE, /* return_path_add */
1130 FALSE, /* return_output */
1131 FALSE, /* return_fail_output */
1132 FALSE, /* log_output */
1133 FALSE, /* log_fail_output */
1134 FALSE, /* log_defer_output */
1135 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1136 1 nor 0 so can detect unset */
1139 int transport_count;
1140 uschar **transport_filter_argv = NULL;
1141 int transport_filter_timeout;
1142 BOOL transport_filter_timed_out = FALSE;
1143 int transport_write_timeout= 0;
1145 tree_node *tree_dns_fails = NULL;
1146 tree_node *tree_duplicates = NULL;
1147 tree_node *tree_nonrecipients = NULL;
1148 tree_node *tree_unusable = NULL;
1150 BOOL trusted_caller = FALSE;
1151 gid_t *trusted_groups = NULL;
1152 uid_t *trusted_users = NULL;
1153 uschar *timezone_string = US TIMEZONE_DEFAULT;
1155 uschar *unknown_login = NULL;
1156 uschar *unknown_username = NULL;
1157 uschar *untrusted_set_sender = NULL;
1159 /* A regex for matching a "From_" line in an incoming message, in the form
1161 From ph10 Fri Jan 5 12:35 GMT 1996
1163 which the "mail" commands send to the MTA (undocumented, of course), or in
1166 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1168 which is apparently used by some UUCPs, despite it not being in RFC 976.
1169 Because of variations in time formats, just match up to the minutes. That
1170 should be sufficient. Examples have been seen of time fields like 12:1:03,
1171 so just require one digit for hours and minutes. The weekday is also absent
1174 uschar *uucp_from_pattern = US
1175 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1176 "(?:" /* Non-extracting bracket */
1177 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1178 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1179 ")" /* End alternation */
1180 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1182 uschar *uucp_from_sender = US"$1";
1184 uschar *warn_message_file = NULL;
1185 uschar *warnmsg_delay = NULL;
1186 uschar *warnmsg_recipients = NULL;
1187 BOOL write_rejectlog = TRUE;
1189 uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1190 uschar *version_date = US"?";
1191 uschar *version_cnumber = US"????";
1192 uschar *version_string = US"?";
1194 int warning_count = 0;
1196 /* End of globals.c */