1 /* $Cambridge: exim/src/src/globals.c,v 1.35 2005/09/07 10:15:33 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;
91 int sqlite_lock_timeout = 5;
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
102 BOOL tls_active = -1;
103 BOOL tls_certificate_verified = FALSE;
104 uschar *tls_cipher = NULL;
105 BOOL tls_on_connect = FALSE;
106 uschar *tls_on_connect_ports = NULL;
107 uschar *tls_peerdn = NULL;
110 const pcre *regex_STARTTLS = NULL;
111 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
112 uschar *tls_certificate = NULL;
113 uschar *tls_crl = NULL;
114 uschar *tls_dhparam = NULL;
115 BOOL tls_offered = FALSE;
116 uschar *tls_privatekey = NULL;
117 BOOL tls_remember_esmtp = FALSE;
118 uschar *tls_require_ciphers = NULL;
119 uschar *tls_try_verify_hosts = NULL;
120 uschar *tls_verify_certificates= NULL;
121 uschar *tls_verify_hosts = NULL;
125 /* Input-reading functions for messages, so we can use special ones for
126 incoming TCP/IP. The defaults use stdin. We never need these for any
127 stand-alone tests. */
130 int (*receive_getc)(void) = stdin_getc;
131 int (*receive_ungetc)(int) = stdin_ungetc;
132 int (*receive_feof)(void) = stdin_feof;
133 int (*receive_ferror)(void) = stdin_ferror;
137 /* List of per-address expansion variables for clearing and saving/restoring
138 when verifying one address while routing/verifying another. We have to have
139 the size explicit, because it is referenced from more than one module. */
141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
142 &deliver_address_data,
144 &deliver_domain_data,
145 &deliver_domain_orig,
146 &deliver_domain_parent,
148 &deliver_localpart_data,
149 &deliver_localpart_orig,
150 &deliver_localpart_parent,
151 &deliver_localpart_prefix,
152 &deliver_localpart_suffix,
153 (uschar **)(&deliver_recipients),
161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
163 /* General global variables */
165 tree_node *acl_anchor = NULL;
166 uschar *acl_not_smtp = NULL;
167 #ifdef WITH_CONTENT_SCAN
168 uschar *acl_not_smtp_mime = NULL;
170 uschar *acl_smtp_auth = NULL;
171 uschar *acl_smtp_connect = NULL;
172 uschar *acl_smtp_data = NULL;
173 uschar *acl_smtp_etrn = NULL;
174 uschar *acl_smtp_expn = NULL;
175 uschar *acl_smtp_helo = NULL;
176 uschar *acl_smtp_mail = NULL;
177 uschar *acl_smtp_mailauth = NULL;
178 #ifdef WITH_CONTENT_SCAN
179 uschar *acl_smtp_mime = NULL;
181 uschar *acl_smtp_predata = NULL;
182 uschar *acl_smtp_quit = NULL;
183 uschar *acl_smtp_rcpt = NULL;
184 uschar *acl_smtp_starttls = NULL;
185 uschar *acl_smtp_vrfy = NULL;
186 BOOL acl_temp_details = FALSE;
187 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
188 uschar *acl_verify_message = NULL;
189 header_line *acl_warn_headers = NULL;
190 string_item *acl_warn_logged = NULL;
192 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
193 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
195 uschar *acl_wherenames[] = { US"RCPT",
212 int acl_wherecodes[] = { 550, /* RCPT */
217 0, /* not SMTP; not relevant */
223 0, /* MAILAUTH; not relevant */
224 0, /* QUIT; not relevant */
229 BOOL active_local_from_check = FALSE;
230 BOOL active_local_sender_retain = FALSE;
231 BOOL accept_8bitmime = FALSE;
232 address_item *addr_duplicate = NULL;
234 address_item address_defaults = {
239 NULL, /* start_router */
241 NULL, /* transport */
242 NULL, /* host_list */
243 NULL, /* host_used */
244 NULL, /* fallback_hosts */
249 NULL, /* cc_local_part */
250 NULL, /* lc_local_part */
251 NULL, /* local_part */
255 NULL, /* address_retry_key */
256 NULL, /* domain_retry_key */
257 NULL, /* current_dir */
260 NULL, /* user_message */
261 NULL, /* onetime_parent */
262 NULL, /* pipe_expandn */
263 NULL, /* return_filename */
264 NULL, /* self_hostname */
265 NULL, /* shadow_message */
270 (uid_t)(-1), /* uid */
271 (gid_t)(-1), /* gid */
273 { 0 }, /* domain_cache - any larger array should be zeroed */
274 { 0 }, /* localpart_cache - ditto */
277 ERRNO_UNKNOWNERROR, /* basic_errno */
279 -1, /* return_file */
280 SPECIAL_NONE, /* special_action */
281 DEFER, /* transport_return */
282 { /* fields that are propagated to children */
283 NULL, /* address_data */
284 NULL, /* domain_data */
285 NULL, /* localpart_data */
286 NULL, /* errors_address */
287 NULL, /* extra_headers */
288 NULL, /* remove_headers */
289 #ifdef EXPERIMENTAL_SRS
290 NULL, /* srs_sender */
295 uschar *address_file = NULL;
296 uschar *address_pipe = NULL;
297 BOOL address_test_mode = FALSE;
298 tree_node *addresslist_anchor = NULL;
299 int addresslist_count = 0;
300 gid_t *admin_groups = NULL;
301 BOOL admin_user = FALSE;
302 BOOL allow_domain_literals = FALSE;
303 BOOL allow_mx_to_ip = FALSE;
304 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
305 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
306 BOOL allow_utf8_domains = FALSE;
307 uschar *authenticated_id = NULL;
308 uschar *authenticated_sender = NULL;
309 BOOL authentication_failed = FALSE;
310 auth_instance *auths = NULL;
311 uschar *auth_advertise_hosts = US"*";
312 auth_instance auth_defaults = {
313 NULL, /* chain pointer */
316 NULL, /* private options block pointer */
317 NULL, /* driver_name */
318 NULL, /* advertise_condition */
319 NULL, /* public_name */
321 NULL, /* server_mail_auth_condition */
322 NULL, /* server_debug_string */
325 FALSE /* advertised */
328 uschar *auth_defer_msg = US"reason not recorded";
329 uschar *auth_defer_user_msg = US"";
331 #ifdef WITH_CONTENT_SCAN
332 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
335 BOOL background_daemon = TRUE;
336 uschar *base62_chars=
337 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
338 uschar *bi_command = NULL;
339 uschar *big_buffer = NULL;
340 int big_buffer_size = BIG_BUFFER_SIZE;
341 #ifdef EXPERIMENTAL_BRIGHTMAIL
342 uschar *bmi_alt_location = NULL;
343 uschar *bmi_base64_tracker_verdict = NULL;
344 uschar *bmi_base64_verdict = NULL;
345 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
348 uschar *bmi_verdicts = NULL;
350 int body_linecount = 0;
351 int body_zerocount = 0;
352 uschar *bounce_message_file = NULL;
353 uschar *bounce_message_text = NULL;
354 uschar *bounce_recipient = NULL;
355 BOOL bounce_return_body = TRUE;
356 BOOL bounce_return_message = TRUE;
357 int bounce_return_size_limit = 100*1024;
358 uschar *bounce_sender_authentication = NULL;
359 int bsmtp_transaction_linecount = 0;
361 int callout_cache_domain_positive_expire = 7*24*60*60;
362 int callout_cache_domain_negative_expire = 3*60*60;
363 int callout_cache_positive_expire = 24*60*60;
364 int callout_cache_negative_expire = 2*60*60;
365 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
366 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
367 int check_log_inodes = 0;
368 int check_log_space = 0;
369 int check_spool_inodes = 0;
370 int check_spool_space = 0;
371 int clmacro_count = 0;
372 uschar *clmacros[MAX_CLMACROS];
373 BOOL config_changed = FALSE;
374 FILE *config_file = NULL;
375 uschar *config_filename = NULL;
376 int config_lineno = 0;
377 #ifdef CONFIGURE_GROUP
378 gid_t config_gid = CONFIGURE_GROUP;
380 uschar *config_main_filelist = US CONFIGURE_FILE
381 "\0<-----------Space to patch configure_filename->";
382 uschar *config_main_filename = NULL;
384 #ifdef CONFIGURE_OWNER
385 uid_t config_uid = CONFIGURE_OWNER;
388 int connection_max_messages= -1;
389 uschar *continue_hostname = NULL;
390 uschar *continue_host_address = NULL;
391 BOOL continue_more = FALSE;
392 int continue_sequence = 1;
393 uschar *continue_transport = NULL;
395 uschar *csa_status = NULL;
397 BOOL daemon_listen = FALSE;
398 uschar *daemon_smtp_port = US"smtp";
399 int daemon_startup_retries = 9;
400 int daemon_startup_sleep = 30;
401 BOOL debug_daemon = FALSE;
403 FILE *debug_file = NULL;
404 bit_table debug_options[] = {
407 { US"auth", D_auth },
408 { US"deliver", D_deliver },
410 { US"dnsbl", D_dnsbl },
411 { US"exec", D_exec },
412 { US"expand", D_expand },
413 { US"filter", D_filter },
414 { US"hints_lookup", D_hints_lookup },
415 { US"host_lookup", D_host_lookup },
416 { US"ident", D_ident },
417 { US"interface", D_interface },
418 { US"lists", D_lists },
419 { US"load", D_load },
420 { US"local_scan", D_local_scan },
421 { US"lookup", D_lookup },
422 { US"memory", D_memory },
424 { US"process_info", D_process_info },
425 { US"queue_run", D_queue_run },
426 { US"receive", D_receive },
427 { US"resolver", D_resolver },
428 { US"retry", D_retry },
429 { US"rewrite", D_rewrite },
430 { US"route", D_route },
431 { US"timestamp", D_timestamp },
433 { US"transport", D_transport },
435 { US"verify", D_verify }
437 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
438 unsigned int debug_selector = 0;
439 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
440 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
441 BOOL delivery_date_remove = TRUE;
442 uschar *deliver_address_data = NULL;
443 int deliver_datafile = -1;
444 uschar *deliver_domain = NULL;
445 uschar *deliver_domain_data = NULL;
446 uschar *deliver_domain_orig = NULL;
447 uschar *deliver_domain_parent = NULL;
448 BOOL deliver_drop_privilege = FALSE;
449 BOOL deliver_firsttime = FALSE;
450 BOOL deliver_force = FALSE;
451 BOOL deliver_freeze = FALSE;
452 int deliver_frozen_at = 0;
453 uschar *deliver_home = NULL;
454 uschar *deliver_host = NULL;
455 uschar *deliver_host_address = NULL;
456 uschar *deliver_in_buffer = NULL;
457 ino_t deliver_inode = 0;
458 uschar *deliver_localpart = NULL;
459 uschar *deliver_localpart_data = NULL;
460 uschar *deliver_localpart_orig = NULL;
461 uschar *deliver_localpart_parent = NULL;
462 uschar *deliver_localpart_prefix = NULL;
463 uschar *deliver_localpart_suffix = NULL;
464 BOOL deliver_force_thaw = FALSE;
465 BOOL deliver_manual_thaw = FALSE;
466 uschar *deliver_out_buffer = NULL;
467 int deliver_queue_load_max = -1;
468 address_item *deliver_recipients = NULL;
469 uschar *deliver_selectstring = NULL;
470 BOOL deliver_selectstring_regex = FALSE;
471 uschar *deliver_selectstring_sender = NULL;
472 BOOL deliver_selectstring_sender_regex = FALSE;
473 #ifdef WITH_OLD_DEMIME
474 int demime_errorlevel = 0;
476 uschar *demime_reason = NULL;
478 BOOL disable_logging = FALSE;
480 #ifdef EXPERIMENTAL_DOMAINKEYS
481 uschar *dk_signing_domain = NULL;
482 uschar *dk_signing_selector = NULL;
483 int dk_do_verify = 0;
486 uschar *dns_again_means_nonexist = NULL;
487 int dns_csa_search_limit = 5;
488 BOOL dns_csa_use_reverse = TRUE;
489 uschar *dns_ipv4_lookup = NULL;
492 uschar *dnslist_domain = NULL;
493 uschar *dnslist_text = NULL;
494 uschar *dnslist_value = NULL;
495 tree_node *domainlist_anchor = NULL;
496 int domainlist_count = 0;
497 BOOL dont_deliver = FALSE;
498 BOOL dot_ends = TRUE;
499 BOOL drop_cr = FALSE; /* No longer used */
501 BOOL enable_dollar_recipients = FALSE;
502 BOOL envelope_to_remove = TRUE;
503 int errno_quota = ERRNO_QUOTA;
504 uschar *errors_copy = NULL;
505 int error_handling = ERRORS_SENDER;
506 uschar *errors_reply_to = NULL;
507 int errors_sender_rc = EXIT_FAILURE;
509 gid_t exim_gid = EXIM_GID;
510 BOOL exim_gid_set = TRUE; /* This gid is always set */
511 uschar *exim_path = US BIN_DIRECTORY "/exim"
512 "\0<---------------Space to patch exim_path->";
513 uid_t exim_uid = EXIM_UID;
514 BOOL exim_uid_set = TRUE; /* This uid is always set */
515 int expand_forbid = 0;
516 int expand_nlength[EXPAND_MAXN+1];
517 int expand_nmax = -1;
518 uschar *expand_nstring[EXPAND_MAXN+1];
519 BOOL expand_string_forcedfail = FALSE;
520 uschar *expand_string_message;
521 BOOL extract_addresses_remove_arguments = TRUE;
522 uschar *extra_local_interfaces = NULL;
524 int fake_response = OK;
525 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).";
526 int filter_n[FILTER_VARIABLE_COUNT];
527 BOOL filter_running = FALSE;
528 int filter_sn[FILTER_VARIABLE_COUNT];
529 int filter_test = FTEST_NONE;
530 uschar *filter_test_sfile = NULL;
531 uschar *filter_test_ufile = NULL;
532 uschar *filter_thisaddress = NULL;
533 int finduser_retries = 0;
534 #ifdef WITH_OLD_DEMIME
535 uschar *found_extension = NULL;
537 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
538 uschar *freeze_tell = NULL;
539 uschar *fudged_queue_times = US"";
541 uschar *gecos_name = NULL;
542 uschar *gecos_pattern = NULL;
543 rewrite_rule *global_rewrite_rules = NULL;
545 uschar *headers_charset = US HEADERS_CHARSET;
546 int header_insert_maxlen = 64 * 1024;
547 header_line *header_last = NULL;
548 header_line *header_list = NULL;
549 int header_maxsize = HEADER_MAXSIZE;
550 int header_line_maxsize = 0;
552 header_name header_names[] = {
553 { US"bcc", 3, TRUE, htype_bcc },
554 { US"cc", 2, TRUE, htype_cc },
555 { US"date", 4, TRUE, htype_date },
556 { US"delivery-date", 13, FALSE, htype_delivery_date },
557 { US"envelope-to", 11, FALSE, htype_envelope_to },
558 { US"from", 4, TRUE, htype_from },
559 { US"message-id", 10, TRUE, htype_id },
560 { US"received", 8, FALSE, htype_received },
561 { US"reply-to", 8, FALSE, htype_reply_to },
562 { US"return-path", 11, FALSE, htype_return_path },
563 { US"sender", 6, TRUE, htype_sender },
564 { US"subject", 7, FALSE, htype_subject },
565 { US"to", 2, TRUE, htype_to }
568 int header_names_size = sizeof(header_names)/sizeof(header_name);
570 BOOL header_rewritten = FALSE;
571 uschar *helo_accept_junk_hosts = NULL;
572 uschar *helo_allow_chars = US"";
573 uschar *helo_lookup_domains = US"@ : @[]";
574 uschar *helo_try_verify_hosts = NULL;
575 BOOL helo_verified = FALSE;
576 BOOL helo_verify_failed = FALSE;
577 uschar *helo_verify_hosts = NULL;
578 uschar *hex_digits = US"0123456789abcdef";
579 uschar *hold_domains = NULL;
580 BOOL host_checking = FALSE;
581 BOOL host_checking_callout = FALSE;
582 uschar *host_data = NULL;
583 BOOL host_find_failed_syntax= FALSE;
584 uschar *host_lookup = NULL;
585 BOOL host_lookup_deferred = FALSE;
586 BOOL host_lookup_failed = FALSE;
587 uschar *host_lookup_order = US"bydns:byaddr";
588 uschar *host_lookup_msg = US"";
590 uschar *host_number_string = NULL;
591 uschar *host_reject_connection = NULL;
592 tree_node *hostlist_anchor = NULL;
593 int hostlist_count = 0;
594 uschar *hosts_treat_as_local = NULL;
595 uschar *hosts_connection_nolog = NULL;
597 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
598 BOOL ignore_fromline_local = FALSE;
599 uschar *ignore_fromline_hosts = NULL;
600 uschar *interface_address = NULL;
601 int interface_port = -1;
602 BOOL is_inetd = FALSE;
606 int keep_malformed = 4*24*60*60; /* 4 days */
608 uschar *eldap_dn = NULL;
609 int load_average = -2;
610 BOOL local_error_message = FALSE;
611 BOOL local_from_check = TRUE;
612 uschar *local_from_prefix = NULL;
613 uschar *local_from_suffix = NULL;
616 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
618 uschar *local_interfaces = US"0.0.0.0";
621 uschar *local_scan_data = NULL;
622 int local_scan_timeout = 5*60;
623 BOOL local_sender_retain = FALSE;
624 gid_t local_user_gid = (gid_t)(-1);
625 uid_t local_user_uid = (uid_t)(-1);
627 tree_node *localpartlist_anchor= NULL;
628 int localpartlist_count = 0;
629 uschar *log_buffer = NULL;
630 unsigned int log_extra_selector = LX_default;
631 uschar *log_file_path = US LOG_FILE_PATH
632 "\0<--------------Space to patch log_file_path->";
634 /* Those log options with L_xxx identifiers have values less than 0x800000 and
635 are the ones that get put into log_write_selector. They can be used in calls to
636 log_write() to test for the bit. The options with LX_xxx identifiers have
637 values greater than 0x80000000 and are put int log_extra_selector (without the
638 top bit). They are never used in calls to log_write(), but are tested
639 independently. This separation became necessary when the number of log
640 selectors was getting close to filling a 32-bit word. */
642 bit_table log_options[] = {
643 { US"address_rewrite", L_address_rewrite },
645 { US"all_parents", L_all_parents },
646 { US"arguments", LX_arguments },
647 { US"connection_reject", L_connection_reject },
648 { US"delay_delivery", L_delay_delivery },
649 { US"deliver_time", LX_deliver_time },
650 { US"delivery_size", LX_delivery_size },
651 { US"dnslist_defer", L_dnslist_defer },
652 { US"etrn", L_etrn },
653 { US"host_lookup_failed", L_host_lookup_failed },
654 { US"ident_timeout", LX_ident_timeout },
655 { US"incoming_interface", LX_incoming_interface },
656 { US"incoming_port", LX_incoming_port },
657 { US"lost_incoming_connection", L_lost_incoming_connection },
658 { US"outgoing_port", LX_outgoing_port },
659 { US"queue_run", L_queue_run },
660 { US"queue_time", LX_queue_time },
661 { US"queue_time_overall", LX_queue_time_overall },
662 { US"received_recipients", LX_received_recipients },
663 { US"received_sender", LX_received_sender },
664 { US"rejected_header", LX_rejected_header },
665 { US"rejected_headers", LX_rejected_header },
666 { US"retry_defer", L_retry_defer },
667 { US"return_path_on_delivery", LX_return_path_on_delivery },
668 { US"sender_on_delivery", LX_sender_on_delivery },
669 { US"size_reject", L_size_reject },
670 { US"skip_delivery", L_skip_delivery },
671 { US"smtp_confirmation", LX_smtp_confirmation },
672 { US"smtp_connection", L_smtp_connection },
673 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
674 { US"smtp_protocol_error", L_smtp_protocol_error },
675 { US"smtp_syntax_error", L_smtp_syntax_error },
676 { US"subject", LX_subject },
677 { US"tls_certificate_verified", LX_tls_certificate_verified },
678 { US"tls_cipher", LX_tls_cipher },
679 { US"tls_peerdn", LX_tls_peerdn }
682 int log_options_count = sizeof(log_options)/sizeof(bit_table);
683 unsigned int log_write_selector= L_default;
684 uschar *log_selector_string = NULL;
685 FILE *log_stderr = NULL;
686 BOOL log_testing_mode = FALSE;
687 BOOL log_timezone = FALSE;
688 uschar *login_sender_address = NULL;
689 int lookup_open_max = 25;
690 uschar *lookup_value = NULL;
692 macro_item *macros = NULL;
693 uschar *mailstore_basename = NULL;
694 #ifdef WITH_CONTENT_SCAN
695 uschar *malware_name = NULL; /* Virus Name */
697 int max_username_length = 0;
699 uschar *message_body = NULL;
700 uschar *message_body_end = NULL;
701 int message_body_size = 0;
702 int message_body_visible = 500;
703 int message_ended = END_NOTSTARTED;
704 uschar *message_headers = NULL;
706 uschar *message_id_domain = NULL;
707 uschar *message_id_text = NULL;
708 struct timeval message_id_tv = { 0, 0 };
709 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
710 uschar *message_id_external;
711 int message_linecount = 0;
712 BOOL message_logs = TRUE;
713 int message_size = 0;
714 uschar *message_size_limit = US"50M";
715 uschar message_subdir[2] = { 0, 0 };
716 uschar *message_reference = NULL;
718 /* MIME ACL expandables */
719 #ifdef WITH_CONTENT_SCAN
720 int mime_anomaly_level = 0;
721 uschar *mime_anomaly_text = NULL;
722 uschar *mime_boundary = NULL;
723 uschar *mime_charset = NULL;
724 uschar *mime_content_description = NULL;
725 uschar *mime_content_disposition = NULL;
726 uschar *mime_content_id = NULL;
727 unsigned int mime_content_size = 0;
728 uschar *mime_content_transfer_encoding = NULL;
729 uschar *mime_content_type = NULL;
730 uschar *mime_decoded_filename = NULL;
731 uschar *mime_filename = NULL;
732 int mime_is_multipart = 0;
733 int mime_is_coverletter = 0;
734 int mime_is_rfc822 = 0;
735 int mime_part_count = -1;
738 BOOL mua_wrapper = FALSE;
740 uid_t *never_users = NULL;
741 #ifdef WITH_CONTENT_SCAN
742 BOOL no_mbox_unspool = FALSE;
744 BOOL no_multiline_responses = FALSE;
747 gid_t originator_gid;
748 uschar *originator_login = NULL;
749 uschar *originator_name = NULL;
750 uid_t originator_uid;
751 uschar *override_local_interfaces = NULL;
752 uschar *override_pid_file_path = NULL;
754 BOOL parse_allow_group = FALSE;
755 BOOL parse_found_group = FALSE;
756 uschar *percent_hack_domains = NULL;
757 uschar *pid_file_path = US PID_FILE_PATH
758 "\0<--------------Space to patch pid_file_path->";
759 uschar *pipelining_advertise_hosts = US"*";
760 BOOL preserve_message_logs = FALSE;
761 uschar *primary_hostname = NULL;
762 BOOL print_topbitchars = FALSE;
763 uschar process_info[PROCESS_INFO_SIZE];
764 uschar *process_log_path = NULL;
765 BOOL prod_requires_admin = TRUE;
766 uschar *prvscheck_address = NULL;
767 uschar *prvscheck_keynum = NULL;
768 uschar *prvscheck_result = NULL;
771 uschar *qualify_domain_recipient = NULL;
772 uschar *qualify_domain_sender = NULL;
773 BOOL queue_2stage = FALSE;
774 uschar *queue_domains = NULL;
775 int queue_interval = -1;
776 BOOL queue_list_requires_admin = TRUE;
777 BOOL queue_only = FALSE;
778 uschar *queue_only_file = NULL;
779 int queue_only_load = -1;
780 BOOL queue_only_override = TRUE;
781 BOOL queue_only_policy = FALSE;
782 BOOL queue_run_first_delivery = FALSE;
783 BOOL queue_run_force = FALSE;
784 BOOL queue_run_in_order = FALSE;
785 BOOL queue_run_local = FALSE;
786 int queue_run_max = 5;
787 pid_t queue_run_pid = (pid_t)0;
788 int queue_run_pipe = -1;
789 BOOL queue_running = FALSE;
790 BOOL queue_smtp = FALSE;
791 uschar *queue_smtp_domains = NULL;
793 unsigned int random_seed = 0;
794 tree_node *ratelimiters_cmd = NULL;
795 tree_node *ratelimiters_conn = NULL;
796 tree_node *ratelimiters_mail = NULL;
797 uschar *raw_active_hostname = NULL;
798 uschar *raw_sender = NULL;
799 uschar **raw_recipients = NULL;
800 int raw_recipients_count = 0;
803 int rcpt_fail_count = 0;
804 int rcpt_defer_count = 0;
807 BOOL really_exim = TRUE;
808 BOOL receive_call_bombout = FALSE;
809 int receive_linecount = 0;
810 int receive_messagecount = 0;
811 int receive_timeout = 0;
812 int received_count = 0;
813 uschar *received_for = NULL;
815 /* This is the default text for Received headers generated by Exim. The
816 date will be automatically added on the end. */
818 uschar *received_header_text = US
820 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
821 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
822 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
823 "by $primary_hostname "
824 "${if def:received_protocol {with $received_protocol}} "
826 "${if def:tls_cipher {($tls_cipher)\n\t}}"
828 "(Exim $version_number)\n\t"
829 "id $message_exim_id"
830 "${if def:received_for {\n\tfor $received_for}}"
831 "\0<---------------Space to patch received_header_text->";
833 int received_headers_max = 30;
834 uschar *received_protocol = NULL;
835 int received_time = 0;
836 uschar *recipient_data = NULL;
837 uschar *recipient_unqualified_hosts = NULL;
838 uschar *recipient_verify_failure = NULL;
839 int recipients_count = 0;
840 BOOL recipients_discarded = FALSE;
841 recipient_item *recipients_list = NULL;
842 int recipients_list_max = 0;
843 int recipients_max = 0;
844 BOOL recipients_max_reject = FALSE;
845 const pcre *regex_AUTH = NULL;
846 const pcre *regex_check_dns_names = NULL;
847 const pcre *regex_From = NULL;
848 const pcre *regex_IGNOREQUOTA = NULL;
849 const pcre *regex_PIPELINING = NULL;
850 const pcre *regex_SIZE = NULL;
851 const pcre *regex_ismsgid = NULL;
852 #ifdef WITH_CONTENT_SCAN
853 uschar *regex_match_string = NULL;
855 int remote_delivery_count = 0;
856 int remote_max_parallel = 2;
857 uschar *remote_sort_domains = NULL;
858 int retry_data_expire = 7*24*60*60;
859 int retry_interval_max = 24*60*60;
860 int retry_maximum_timeout = 0; /* set from retry config */
861 retry_config *retries = NULL;
862 uschar *return_path = NULL;
863 BOOL return_path_remove = TRUE;
864 int rewrite_existflags = 0;
865 uschar *rfc1413_hosts = US"*";
866 int rfc1413_query_timeout = 30;
867 /* BOOL rfc821_domains = FALSE; <<< on the way out */
868 uid_t root_uid = ROOT_UID;
870 router_instance *routers = NULL;
871 router_instance router_defaults = {
872 NULL, /* chain pointer */
875 NULL, /* private options block pointer */
876 NULL, /* driver name */
878 NULL, /* address_data */
879 #ifdef EXPERIMENTAL_BRIGHTMAIL
882 NULL, /* cannot_route_message */
883 NULL, /* condition */
884 NULL, /* current_directory */
885 NULL, /* debug_string */
887 NULL, /* errors_to */
888 NULL, /* expand_gid */
889 NULL, /* expand_uid */
890 NULL, /* expand_more */
891 NULL, /* expand_unseen */
892 NULL, /* extra_headers */
893 NULL, /* fallback_hosts */
894 NULL, /* home_directory */
895 NULL, /* ignore_target_hosts */
896 NULL, /* local_parts */
897 NULL, /* pass_router_name */
899 NULL, /* redirect_router_name */
900 NULL, /* remove_headers */
901 NULL, /* require_files */
902 NULL, /* router_home_directory */
903 US"freeze", /* self */
906 NULL, /* translate_ip_address */
907 NULL, /* transport_name */
909 TRUE, /* address_test */
910 #ifdef EXPERIMENTAL_BRIGHTMAIL
911 FALSE, /* bmi_deliver_alternate */
912 FALSE, /* bmi_deliver_default */
913 FALSE, /* bmi_dont_deliver */
916 FALSE, /* caseful_local_part */
917 FALSE, /* check_local_user */
918 FALSE, /* disable_logging */
919 FALSE, /* fail_verify_recipient */
920 FALSE, /* fail_verify_sender */
922 FALSE, /* initgroups */
923 TRUE_UNSET, /* log_as_local */
925 FALSE, /* pass_on_timeout */
926 FALSE, /* prefix_optional */
927 TRUE, /* repeat_use */
928 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
929 FALSE, /* same_domain_copy_routing */
930 FALSE, /* self_rewrite */
931 FALSE, /* suffix_optional */
932 FALSE, /* verify_only */
933 TRUE, /* verify_recipient */
934 TRUE, /* verify_sender */
938 self_freeze, /* self_code */
939 (uid_t)(-1), /* uid */
940 (gid_t)(-1), /* gid */
942 NULL, /* fallback_hostlist */
943 NULL, /* transport instance */
944 NULL, /* pass_router */
945 NULL /* redirect_router */
948 ip_address_item *running_interfaces = NULL;
949 BOOL running_in_test_harness = FALSE;
951 /* This is a weird one. The following string gets patched in the binary by the
952 script that sets up a copy of Exim for running in the test harness. It seems
953 that compilers are now clever, and share constant strings if they can.
954 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
955 make use of the end of this string in order to save space. So the patching then
956 wrecks this. We default this optimization by adding some additional characters
957 onto the end of the string. */
959 uschar *running_status = US">>>running<<<" "\0EXTRA";
963 uschar *search_error_message = NULL;
964 BOOL search_find_defer = FALSE;
965 uschar *self_hostname = NULL;
966 uschar *sender_address = NULL;
967 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
968 uschar *sender_address_data = NULL;
969 BOOL sender_address_forced = FALSE;
970 uschar *sender_address_unrewritten = NULL;
971 uschar *sender_data = NULL;
972 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
973 uschar *sender_fullhost = NULL;
974 uschar *sender_helo_name = NULL;
975 uschar **sender_host_aliases = &no_aliases;
976 uschar *sender_host_address = NULL;
977 uschar *sender_host_authenticated = NULL;
978 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
979 uschar *sender_host_name = NULL;
980 int sender_host_port = 0;
981 BOOL sender_host_notsocket = FALSE;
982 BOOL sender_host_unknown = FALSE;
983 uschar *sender_ident = NULL;
984 BOOL sender_local = FALSE;
985 BOOL sender_name_forced = FALSE;
986 uschar *sender_rate = NULL;
987 uschar *sender_rate_limit = NULL;
988 uschar *sender_rate_period = NULL;
989 uschar *sender_rcvhost = NULL;
990 BOOL sender_set_untrusted = FALSE;
991 uschar *sender_unqualified_hosts = NULL;
992 uschar *sender_verify_failure = NULL;
993 address_item *sender_verified_list = NULL;
994 address_item *sender_verified_failed = NULL;
995 int sender_verified_rc = -1;
996 BOOL sender_verified_responded = FALSE;
997 volatile BOOL sigalrm_seen = FALSE;
998 uschar **sighup_argv = NULL;
999 int smtp_accept_count = 0;
1000 BOOL smtp_accept_keepalive = TRUE;
1001 int smtp_accept_max = 20;
1002 int smtp_accept_max_nonmail= 10;
1003 uschar *smtp_accept_max_nonmail_hosts = US"*";
1004 int smtp_accept_max_per_connection = 1000;
1005 uschar *smtp_accept_max_per_host = NULL;
1006 int smtp_accept_queue = 0;
1007 int smtp_accept_queue_per_connection = 10;
1008 int smtp_accept_reserve = 0;
1009 uschar *smtp_active_hostname = NULL;
1010 BOOL smtp_authenticated = FALSE;
1011 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1012 "Exim $version_number $tod_full"
1013 "\0<---------------Space to patch smtp_banner->";
1014 BOOL smtp_batched_input = FALSE;
1015 BOOL smtp_check_spool_space = TRUE;
1016 uschar *smtp_command_argument = NULL;
1017 int smtp_connect_backlog = 20;
1018 double smtp_delay_mail = 0.0;
1019 double smtp_delay_rcpt = 0.0;
1020 BOOL smtp_enforce_sync = TRUE;
1021 FILE *smtp_in = NULL;
1022 BOOL smtp_input = FALSE;
1023 int smtp_load_reserve = -1;
1024 int smtp_mailcmd_count = 0;
1025 FILE *smtp_out = NULL;
1026 uschar *smtp_etrn_command = NULL;
1027 BOOL smtp_etrn_serialize = TRUE;
1028 int smtp_max_synprot_errors= 3;
1029 int smtp_max_unknown_commands = 3;
1030 uschar *smtp_ratelimit_hosts = NULL;
1031 uschar *smtp_ratelimit_mail = NULL;
1032 uschar *smtp_ratelimit_rcpt = NULL;
1033 uschar *smtp_read_error = US"";
1034 int smtp_receive_timeout = 5*60;
1035 uschar *smtp_reserve_hosts = NULL;
1036 BOOL smtp_return_error_details = FALSE;
1037 int smtp_rlm_base = 0;
1038 double smtp_rlm_factor = 0.0;
1039 int smtp_rlm_limit = 0;
1040 int smtp_rlm_threshold = INT_MAX;
1041 int smtp_rlr_base = 0;
1042 double smtp_rlr_factor = 0.0;
1043 int smtp_rlr_limit = 0;
1044 int smtp_rlr_threshold = INT_MAX;
1045 BOOL smtp_use_pipelining = FALSE;
1046 BOOL smtp_use_size = FALSE;
1048 #ifdef WITH_CONTENT_SCAN
1049 uschar *spamd_address = US"127.0.0.1 783";
1050 uschar *spam_bar = NULL;
1051 uschar *spam_report = NULL;
1052 uschar *spam_score = NULL;
1053 uschar *spam_score_int = NULL;
1055 #ifdef EXPERIMENTAL_SPF
1056 uschar *spf_header_comment = NULL;
1057 uschar *spf_received = NULL;
1058 uschar *spf_result = NULL;
1059 uschar *spf_smtp_comment = NULL;
1062 BOOL split_spool_directory = FALSE;
1063 uschar *spool_directory = US SPOOL_DIRECTORY
1064 "\0<--------------Space to patch spool_directory->";
1065 #ifdef EXPERIMENTAL_SRS
1066 uschar *srs_config = NULL;
1067 uschar *srs_db_address = NULL;
1068 uschar *srs_db_key = NULL;
1069 int srs_hashlength = 6;
1070 int srs_hashmin = -1;
1071 int srs_maxage = 31;
1072 uschar *srs_orig_recipient = NULL;
1073 uschar *srs_orig_sender = NULL;
1074 uschar *srs_recipient = NULL;
1075 uschar *srs_secrets = NULL;
1076 uschar *srs_status = NULL;
1077 BOOL srs_usehash = TRUE;
1078 BOOL srs_usetimestamp = TRUE;
1080 int string_datestamp_offset= -1;
1081 BOOL strip_excess_angle_brackets = FALSE;
1082 BOOL strip_trailing_dot = FALSE;
1083 uschar *submission_domain = NULL;
1084 BOOL submission_mode = FALSE;
1085 uschar *submission_name = NULL;
1086 BOOL synchronous_delivery = FALSE;
1087 BOOL syslog_duplication = TRUE;
1088 int syslog_facility = LOG_MAIL;
1089 uschar *syslog_processname = US"exim";
1090 BOOL syslog_timestamp = TRUE;
1091 uschar *system_filter = NULL;
1093 uschar *system_filter_directory_transport = NULL;
1094 uschar *system_filter_file_transport = NULL;
1095 uschar *system_filter_pipe_transport = NULL;
1096 uschar *system_filter_reply_transport = NULL;
1098 gid_t system_filter_gid = 0;
1099 BOOL system_filter_gid_set = FALSE;
1100 uid_t system_filter_uid = 0;
1101 BOOL system_filter_uid_set = FALSE;
1102 BOOL system_filtering = FALSE;
1104 BOOL tcp_nodelay = TRUE;
1105 int thismessage_size_limit = 0;
1106 int timeout_frozen_after = 0;
1107 BOOL timestamps_utc = FALSE;
1109 transport_instance *transports = NULL;
1111 transport_instance transport_defaults = {
1112 NULL, /* chain pointer */
1115 NULL, /* private options block pointer */
1116 NULL, /* driver name */
1117 NULL, /* setup entry point */
1119 NULL, /* batch_id */
1120 NULL, /* home_dir */
1121 NULL, /* current_dir */
1122 TRUE, /* multi-domain */
1123 FALSE, /* overrides_hosts */
1124 100, /* max_addresses */
1125 500, /* connection_max_messages */
1126 FALSE, /* deliver_as_creator */
1127 FALSE, /* disable_logging */
1128 FALSE, /* initgroups */
1129 FALSE, /* uid_set */
1130 FALSE, /* gid_set */
1131 (uid_t)(-1), /* uid */
1132 (gid_t)(-1), /* gid */
1133 NULL, /* expand_uid */
1134 NULL, /* expand_gid */
1135 NULL, /* warn_message */
1137 NULL, /* shadow_condition */
1138 NULL, /* filter_command */
1139 NULL, /* add_headers */
1140 NULL, /* remove_headers */
1141 NULL, /* return_path */
1142 NULL, /* debug_string */
1143 NULL, /* message_size_limit */
1144 NULL, /* headers_rewrite */
1145 NULL, /* rewrite_rules */
1146 0, /* rewrite_existflags */
1147 300, /* filter_timeout */
1148 FALSE, /* body_only */
1149 FALSE, /* delivery_date_add */
1150 FALSE, /* envelope_to_add */
1151 FALSE, /* headers_only */
1152 FALSE, /* rcpt_include_affixes */
1153 FALSE, /* return_path_add */
1154 FALSE, /* return_output */
1155 FALSE, /* return_fail_output */
1156 FALSE, /* log_output */
1157 FALSE, /* log_fail_output */
1158 FALSE, /* log_defer_output */
1159 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1160 1 nor 0 so can detect unset */
1163 int transport_count;
1164 uschar **transport_filter_argv = NULL;
1165 int transport_filter_timeout;
1166 BOOL transport_filter_timed_out = FALSE;
1167 int transport_write_timeout= 0;
1169 tree_node *tree_dns_fails = NULL;
1170 tree_node *tree_duplicates = NULL;
1171 tree_node *tree_nonrecipients = NULL;
1172 tree_node *tree_unusable = NULL;
1174 BOOL trusted_caller = FALSE;
1175 gid_t *trusted_groups = NULL;
1176 uid_t *trusted_users = NULL;
1177 uschar *timezone_string = US TIMEZONE_DEFAULT;
1179 uschar *unknown_login = NULL;
1180 uschar *unknown_username = NULL;
1181 uschar *untrusted_set_sender = NULL;
1183 /* A regex for matching a "From_" line in an incoming message, in the form
1185 From ph10 Fri Jan 5 12:35 GMT 1996
1187 which the "mail" commands send to the MTA (undocumented, of course), or in
1190 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1192 which is apparently used by some UUCPs, despite it not being in RFC 976.
1193 Because of variations in time formats, just match up to the minutes. That
1194 should be sufficient. Examples have been seen of time fields like 12:1:03,
1195 so just require one digit for hours and minutes. The weekday is also absent
1198 uschar *uucp_from_pattern = US
1199 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1200 "(?:" /* Non-extracting bracket */
1201 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1202 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1203 ")" /* End alternation */
1204 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1206 uschar *uucp_from_sender = US"$1";
1208 uschar *warn_message_file = NULL;
1209 uschar *warnmsg_delay = NULL;
1210 uschar *warnmsg_recipients = NULL;
1211 BOOL write_rejectlog = TRUE;
1213 uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1214 uschar *version_date = US"?";
1215 uschar *version_cnumber = US"????";
1216 uschar *version_string = US"?";
1218 int warning_count = 0;
1220 /* End of globals.c */