1 /* $Cambridge: exim/src/src/globals.c,v 1.54 2006/06/28 16:00:24 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2006 */
8 /* See the file NOTICE for conditions of use and distribution. */
10 /* All the global variables are defined together in this one module, so
11 that they are easy to find. */
16 /* The OSF1 linker puts out a worrying warning if any sections contain no
17 executable code. It says
19 Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
23 As this may cause people to worry needlessly, include a dummy function here
24 to stop the message from appearing. Make it reference itself to stop picky
25 compilers complaining that it is unused, and put in a dummy argument to stop
26 even pickier compilers complaining about infinite loops. */
28 static void dummy(int x) { dummy(x-1); }
31 /* Generic options for auths, all of which live inside auth_instance
32 data blocks and hence have the opt_public flag set. */
34 optionlist optionlist_auths[] = {
35 { "driver", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, driver_name)) },
37 { "public_name", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, public_name)) },
39 { "server_advertise_condition", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, advertise_condition))},
41 { "server_debug_print", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, server_debug_string)) },
43 { "server_mail_auth_condition", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, mail_auth_condition)) },
45 { "server_set_id", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, set_id)) }
49 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
51 /* An empty host aliases list. */
53 uschar *no_aliases = NULL;
56 /* For comments on these variables, see globals.h. I'm too idle to
57 duplicate them here... */
60 uschar *opt_perl_startup = NULL;
61 BOOL opt_perl_at_start = FALSE;
62 BOOL opt_perl_started = FALSE;
66 tree_node *dlobj_anchor = NULL;
70 uschar *ibase_servers = NULL;
74 uschar *eldap_default_servers = NULL;
75 int eldap_version = -1;
79 uschar *mysql_servers = NULL;
83 uschar *oracle_servers = NULL;
87 uschar *pgsql_servers = NULL;
91 int sqlite_lock_timeout = 5;
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
102 BOOL tls_active = -1;
103 BOOL tls_certificate_verified = FALSE;
104 uschar *tls_cipher = NULL;
105 BOOL tls_on_connect = FALSE;
106 uschar *tls_on_connect_ports = NULL;
107 uschar *tls_peerdn = NULL;
110 const pcre *regex_STARTTLS = NULL;
111 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
112 uschar *tls_certificate = NULL;
113 uschar *tls_crl = NULL;
114 uschar *tls_dhparam = NULL;
115 BOOL tls_offered = FALSE;
116 uschar *tls_privatekey = NULL;
117 BOOL tls_remember_esmtp = FALSE;
118 uschar *tls_require_ciphers = NULL;
119 uschar *tls_try_verify_hosts = NULL;
120 uschar *tls_verify_certificates= NULL;
121 uschar *tls_verify_hosts = NULL;
125 /* Input-reading functions for messages, so we can use special ones for
126 incoming TCP/IP. The defaults use stdin. We never need these for any
127 stand-alone tests. */
130 int (*receive_getc)(void) = stdin_getc;
131 int (*receive_ungetc)(int) = stdin_ungetc;
132 int (*receive_feof)(void) = stdin_feof;
133 int (*receive_ferror)(void) = stdin_ferror;
137 /* List of per-address expansion variables for clearing and saving/restoring
138 when verifying one address while routing/verifying another. We have to have
139 the size explicit, because it is referenced from more than one module. */
141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
142 &deliver_address_data,
144 &deliver_domain_data,
145 &deliver_domain_orig,
146 &deliver_domain_parent,
148 &deliver_localpart_data,
149 &deliver_localpart_orig,
150 &deliver_localpart_parent,
151 &deliver_localpart_prefix,
152 &deliver_localpart_suffix,
153 (uschar **)(&deliver_recipients),
161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
163 /* General global variables */
165 header_line *acl_added_headers = NULL;
166 tree_node *acl_anchor = NULL;
167 uschar *acl_not_smtp = NULL;
168 #ifdef WITH_CONTENT_SCAN
169 uschar *acl_not_smtp_mime = NULL;
171 uschar *acl_not_smtp_start = NULL;
172 uschar *acl_smtp_auth = NULL;
173 uschar *acl_smtp_connect = NULL;
174 uschar *acl_smtp_data = NULL;
175 uschar *acl_smtp_etrn = NULL;
176 uschar *acl_smtp_expn = NULL;
177 uschar *acl_smtp_helo = NULL;
178 uschar *acl_smtp_mail = NULL;
179 uschar *acl_smtp_mailauth = NULL;
180 #ifdef WITH_CONTENT_SCAN
181 uschar *acl_smtp_mime = NULL;
183 uschar *acl_smtp_predata = NULL;
184 uschar *acl_smtp_quit = NULL;
185 uschar *acl_smtp_rcpt = NULL;
186 uschar *acl_smtp_starttls = NULL;
187 uschar *acl_smtp_vrfy = NULL;
188 BOOL acl_temp_details = FALSE;
189 uschar *acl_var[ACL_CVARS + ACL_MVARS];
190 uschar *acl_verify_message = NULL;
191 string_item *acl_warn_logged = NULL;
193 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
194 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
196 uschar *acl_wherenames[] = { US"RCPT",
214 int acl_wherecodes[] = { 550, /* RCPT */
219 0, /* not SMTP; not relevant */
225 0, /* MAILAUTH; not relevant */
226 0, /* not SMTP; not relevant */
227 0, /* QUIT; not relevant */
232 BOOL active_local_from_check = FALSE;
233 BOOL active_local_sender_retain = FALSE;
234 BOOL accept_8bitmime = FALSE;
235 address_item *addr_duplicate = NULL;
237 address_item address_defaults = {
242 NULL, /* start_router */
244 NULL, /* transport */
245 NULL, /* host_list */
246 NULL, /* host_used */
247 NULL, /* fallback_hosts */
252 NULL, /* cc_local_part */
253 NULL, /* lc_local_part */
254 NULL, /* local_part */
258 NULL, /* address_retry_key */
259 NULL, /* domain_retry_key */
260 NULL, /* current_dir */
263 NULL, /* user_message */
264 NULL, /* onetime_parent */
265 NULL, /* pipe_expandn */
266 NULL, /* return_filename */
267 NULL, /* self_hostname */
268 NULL, /* shadow_message */
273 (uid_t)(-1), /* uid */
274 (gid_t)(-1), /* gid */
276 { 0 }, /* domain_cache - any larger array should be zeroed */
277 { 0 }, /* localpart_cache - ditto */
280 ERRNO_UNKNOWNERROR, /* basic_errno */
282 -1, /* return_file */
283 SPECIAL_NONE, /* special_action */
284 DEFER, /* transport_return */
285 { /* fields that are propagated to children */
286 NULL, /* address_data */
287 NULL, /* domain_data */
288 NULL, /* localpart_data */
289 NULL, /* errors_address */
290 NULL, /* extra_headers */
291 NULL, /* remove_headers */
292 #ifdef EXPERIMENTAL_SRS
293 NULL, /* srs_sender */
298 uschar *address_file = NULL;
299 uschar *address_pipe = NULL;
300 BOOL address_test_mode = FALSE;
301 tree_node *addresslist_anchor = NULL;
302 int addresslist_count = 0;
303 gid_t *admin_groups = NULL;
304 BOOL admin_user = FALSE;
305 BOOL allow_auth_unadvertised= FALSE;
306 BOOL allow_domain_literals = FALSE;
307 BOOL allow_mx_to_ip = FALSE;
308 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
309 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
310 BOOL allow_utf8_domains = FALSE;
311 uschar *authenticated_id = NULL;
312 uschar *authenticated_sender = NULL;
313 BOOL authentication_failed = FALSE;
314 auth_instance *auths = NULL;
315 uschar *auth_advertise_hosts = US"*";
316 auth_instance auth_defaults = {
317 NULL, /* chain pointer */
320 NULL, /* private options block pointer */
321 NULL, /* driver_name */
322 NULL, /* advertise_condition */
323 NULL, /* public_name */
325 NULL, /* server_mail_auth_condition */
326 NULL, /* server_debug_string */
329 FALSE /* advertised */
332 uschar *auth_defer_msg = US"reason not recorded";
333 uschar *auth_defer_user_msg = US"";
334 uschar *auth_vars[AUTH_VARS];
336 #ifdef WITH_CONTENT_SCAN
337 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
340 BOOL background_daemon = TRUE;
343 uschar *base62_chars=
344 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
346 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
349 uschar *bi_command = NULL;
350 uschar *big_buffer = NULL;
351 int big_buffer_size = BIG_BUFFER_SIZE;
352 #ifdef EXPERIMENTAL_BRIGHTMAIL
353 uschar *bmi_alt_location = NULL;
354 uschar *bmi_base64_tracker_verdict = NULL;
355 uschar *bmi_base64_verdict = NULL;
356 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
359 uschar *bmi_verdicts = NULL;
361 int body_linecount = 0;
362 int body_zerocount = 0;
363 uschar *bounce_message_file = NULL;
364 uschar *bounce_message_text = NULL;
365 uschar *bounce_recipient = NULL;
366 BOOL bounce_return_body = TRUE;
367 BOOL bounce_return_message = TRUE;
368 int bounce_return_size_limit = 100*1024;
369 uschar *bounce_sender_authentication = NULL;
370 int bsmtp_transaction_linecount = 0;
372 int callout_cache_domain_positive_expire = 7*24*60*60;
373 int callout_cache_domain_negative_expire = 3*60*60;
374 int callout_cache_positive_expire = 24*60*60;
375 int callout_cache_negative_expire = 2*60*60;
376 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
377 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
378 int check_log_inodes = 0;
379 int check_log_space = 0;
380 BOOL check_rfc2047_length = TRUE;
381 int check_spool_inodes = 0;
382 int check_spool_space = 0;
383 int clmacro_count = 0;
384 uschar *clmacros[MAX_CLMACROS];
385 BOOL config_changed = FALSE;
386 FILE *config_file = NULL;
387 uschar *config_filename = NULL;
388 int config_lineno = 0;
389 #ifdef CONFIGURE_GROUP
390 gid_t config_gid = CONFIGURE_GROUP;
392 uschar *config_main_filelist = US CONFIGURE_FILE
393 "\0<-----------Space to patch configure_filename->";
394 uschar *config_main_filename = NULL;
396 #ifdef CONFIGURE_OWNER
397 uid_t config_uid = CONFIGURE_OWNER;
400 int connection_max_messages= -1;
401 uschar *continue_hostname = NULL;
402 uschar *continue_host_address = NULL;
403 BOOL continue_more = FALSE;
404 int continue_sequence = 1;
405 uschar *continue_transport = NULL;
407 uschar *csa_status = NULL;
409 BOOL daemon_listen = FALSE;
410 uschar *daemon_smtp_port = US"smtp";
411 int daemon_startup_retries = 9;
412 int daemon_startup_sleep = 30;
413 BOOL debug_daemon = FALSE;
415 FILE *debug_file = NULL;
416 bit_table debug_options[] = {
419 { US"auth", D_auth },
420 { US"deliver", D_deliver },
422 { US"dnsbl", D_dnsbl },
423 { US"exec", D_exec },
424 { US"expand", D_expand },
425 { US"filter", D_filter },
426 { US"hints_lookup", D_hints_lookup },
427 { US"host_lookup", D_host_lookup },
428 { US"ident", D_ident },
429 { US"interface", D_interface },
430 { US"lists", D_lists },
431 { US"load", D_load },
432 { US"local_scan", D_local_scan },
433 { US"lookup", D_lookup },
434 { US"memory", D_memory },
436 { US"process_info", D_process_info },
437 { US"queue_run", D_queue_run },
438 { US"receive", D_receive },
439 { US"resolver", D_resolver },
440 { US"retry", D_retry },
441 { US"rewrite", D_rewrite },
442 { US"route", D_route },
443 { US"timestamp", D_timestamp },
445 { US"transport", D_transport },
447 { US"verify", D_verify }
449 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
450 unsigned int debug_selector = 0;
451 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
452 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
453 BOOL delivery_date_remove = TRUE;
454 uschar *deliver_address_data = NULL;
455 int deliver_datafile = -1;
456 uschar *deliver_domain = NULL;
457 uschar *deliver_domain_data = NULL;
458 uschar *deliver_domain_orig = NULL;
459 uschar *deliver_domain_parent = NULL;
460 BOOL deliver_drop_privilege = FALSE;
461 BOOL deliver_firsttime = FALSE;
462 BOOL deliver_force = FALSE;
463 BOOL deliver_freeze = FALSE;
464 int deliver_frozen_at = 0;
465 uschar *deliver_home = NULL;
466 uschar *deliver_host = NULL;
467 uschar *deliver_host_address = NULL;
468 uschar *deliver_in_buffer = NULL;
469 ino_t deliver_inode = 0;
470 uschar *deliver_localpart = NULL;
471 uschar *deliver_localpart_data = NULL;
472 uschar *deliver_localpart_orig = NULL;
473 uschar *deliver_localpart_parent = NULL;
474 uschar *deliver_localpart_prefix = NULL;
475 uschar *deliver_localpart_suffix = NULL;
476 BOOL deliver_force_thaw = FALSE;
477 BOOL deliver_manual_thaw = FALSE;
478 uschar *deliver_out_buffer = NULL;
479 int deliver_queue_load_max = -1;
480 address_item *deliver_recipients = NULL;
481 uschar *deliver_selectstring = NULL;
482 BOOL deliver_selectstring_regex = FALSE;
483 uschar *deliver_selectstring_sender = NULL;
484 BOOL deliver_selectstring_sender_regex = FALSE;
485 #ifdef WITH_OLD_DEMIME
486 int demime_errorlevel = 0;
488 uschar *demime_reason = NULL;
490 BOOL disable_ipv6 = FALSE;
491 BOOL disable_logging = FALSE;
493 #ifdef EXPERIMENTAL_DOMAINKEYS
494 uschar *dk_signing_domain = NULL;
495 uschar *dk_signing_selector = NULL;
496 int dk_do_verify = 0;
499 uschar *dns_again_means_nonexist = NULL;
500 int dns_csa_search_limit = 5;
501 BOOL dns_csa_use_reverse = TRUE;
502 uschar *dns_ipv4_lookup = NULL;
505 uschar *dnslist_domain = NULL;
506 uschar *dnslist_text = NULL;
507 uschar *dnslist_value = NULL;
508 tree_node *domainlist_anchor = NULL;
509 int domainlist_count = 0;
510 BOOL dont_deliver = FALSE;
511 BOOL dot_ends = TRUE;
512 BOOL drop_cr = FALSE; /* No longer used */
514 BOOL enable_dollar_recipients = FALSE;
515 BOOL envelope_to_remove = TRUE;
516 int errno_quota = ERRNO_QUOTA;
517 uschar *errors_copy = NULL;
518 int error_handling = ERRORS_SENDER;
519 uschar *errors_reply_to = NULL;
520 int errors_sender_rc = EXIT_FAILURE;
522 gid_t exim_gid = EXIM_GID;
523 BOOL exim_gid_set = TRUE; /* This gid is always set */
524 uschar *exim_path = US BIN_DIRECTORY "/exim"
525 "\0<---------------Space to patch exim_path->";
526 uid_t exim_uid = EXIM_UID;
527 BOOL exim_uid_set = TRUE; /* This uid is always set */
528 int expand_forbid = 0;
529 int expand_nlength[EXPAND_MAXN+1];
530 int expand_nmax = -1;
531 uschar *expand_nstring[EXPAND_MAXN+1];
532 BOOL expand_string_forcedfail = FALSE;
533 uschar *expand_string_message;
534 BOOL extract_addresses_remove_arguments = TRUE;
535 uschar *extra_local_interfaces = NULL;
537 int fake_response = OK;
538 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).";
539 int filter_n[FILTER_VARIABLE_COUNT];
540 BOOL filter_running = FALSE;
541 int filter_sn[FILTER_VARIABLE_COUNT];
542 int filter_test = FTEST_NONE;
543 uschar *filter_test_sfile = NULL;
544 uschar *filter_test_ufile = NULL;
545 uschar *filter_thisaddress = NULL;
546 int finduser_retries = 0;
547 #ifdef WITH_OLD_DEMIME
548 uschar *found_extension = NULL;
550 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
551 uschar *freeze_tell = NULL;
552 uschar *freeze_tell_config = NULL;
553 uschar *fudged_queue_times = US"";
555 uschar *gecos_name = NULL;
556 uschar *gecos_pattern = NULL;
557 rewrite_rule *global_rewrite_rules = NULL;
559 uschar *headers_charset = US HEADERS_CHARSET;
560 int header_insert_maxlen = 64 * 1024;
561 header_line *header_last = NULL;
562 header_line *header_list = NULL;
563 int header_maxsize = HEADER_MAXSIZE;
564 int header_line_maxsize = 0;
566 header_name header_names[] = {
567 { US"bcc", 3, TRUE, htype_bcc },
568 { US"cc", 2, TRUE, htype_cc },
569 { US"date", 4, TRUE, htype_date },
570 { US"delivery-date", 13, FALSE, htype_delivery_date },
571 { US"envelope-to", 11, FALSE, htype_envelope_to },
572 { US"from", 4, TRUE, htype_from },
573 { US"message-id", 10, TRUE, htype_id },
574 { US"received", 8, FALSE, htype_received },
575 { US"reply-to", 8, FALSE, htype_reply_to },
576 { US"return-path", 11, FALSE, htype_return_path },
577 { US"sender", 6, TRUE, htype_sender },
578 { US"subject", 7, FALSE, htype_subject },
579 { US"to", 2, TRUE, htype_to }
582 int header_names_size = sizeof(header_names)/sizeof(header_name);
584 BOOL header_rewritten = FALSE;
585 uschar *helo_accept_junk_hosts = NULL;
586 uschar *helo_allow_chars = US"";
587 uschar *helo_lookup_domains = US"@ : @[]";
588 uschar *helo_try_verify_hosts = NULL;
589 BOOL helo_verified = FALSE;
590 BOOL helo_verify_failed = FALSE;
591 uschar *helo_verify_hosts = NULL;
592 uschar *hex_digits = US"0123456789abcdef";
593 uschar *hold_domains = NULL;
594 BOOL host_checking = FALSE;
595 BOOL host_checking_callout = FALSE;
596 uschar *host_data = NULL;
597 BOOL host_find_failed_syntax= FALSE;
598 uschar *host_lookup = NULL;
599 BOOL host_lookup_deferred = FALSE;
600 BOOL host_lookup_failed = FALSE;
601 uschar *host_lookup_order = US"bydns:byaddr";
602 uschar *host_lookup_msg = US"";
604 uschar *host_number_string = NULL;
605 uschar *host_reject_connection = NULL;
606 tree_node *hostlist_anchor = NULL;
607 int hostlist_count = 0;
608 uschar *hosts_treat_as_local = NULL;
609 uschar *hosts_connection_nolog = NULL;
611 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
612 BOOL ignore_fromline_local = FALSE;
613 uschar *ignore_fromline_hosts = NULL;
614 uschar *interface_address = NULL;
615 int interface_port = -1;
616 BOOL is_inetd = FALSE;
620 int keep_malformed = 4*24*60*60; /* 4 days */
622 uschar *eldap_dn = NULL;
623 int load_average = -2;
624 BOOL local_error_message = FALSE;
625 BOOL local_from_check = TRUE;
626 uschar *local_from_prefix = NULL;
627 uschar *local_from_suffix = NULL;
630 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
632 uschar *local_interfaces = US"0.0.0.0";
635 uschar *local_scan_data = NULL;
636 int local_scan_timeout = 5*60;
637 BOOL local_sender_retain = FALSE;
638 gid_t local_user_gid = (gid_t)(-1);
639 uid_t local_user_uid = (uid_t)(-1);
641 tree_node *localpartlist_anchor= NULL;
642 int localpartlist_count = 0;
643 uschar *log_buffer = NULL;
644 unsigned int log_extra_selector = LX_default;
645 uschar *log_file_path = US LOG_FILE_PATH
646 "\0<--------------Space to patch log_file_path->";
648 /* Those log options with L_xxx identifiers have values less than 0x800000 and
649 are the ones that get put into log_write_selector. They can be used in calls to
650 log_write() to test for the bit. The options with LX_xxx identifiers have
651 values greater than 0x80000000 and are put int log_extra_selector (without the
652 top bit). They are never used in calls to log_write(), but are tested
653 independently. This separation became necessary when the number of log
654 selectors was getting close to filling a 32-bit word. */
656 bit_table log_options[] = {
657 { US"acl_warn_skipped", LX_acl_warn_skipped },
658 { US"address_rewrite", L_address_rewrite },
660 { US"all_parents", L_all_parents },
661 { US"arguments", LX_arguments },
662 { US"connection_reject", L_connection_reject },
663 { US"delay_delivery", L_delay_delivery },
664 { US"deliver_time", LX_deliver_time },
665 { US"delivery_size", LX_delivery_size },
666 { US"dnslist_defer", L_dnslist_defer },
667 { US"etrn", L_etrn },
668 { US"host_lookup_failed", L_host_lookup_failed },
669 { US"ident_timeout", LX_ident_timeout },
670 { US"incoming_interface", LX_incoming_interface },
671 { US"incoming_port", LX_incoming_port },
672 { US"lost_incoming_connection", L_lost_incoming_connection },
673 { US"outgoing_port", LX_outgoing_port },
674 { US"queue_run", L_queue_run },
675 { US"queue_time", LX_queue_time },
676 { US"queue_time_overall", LX_queue_time_overall },
677 { US"received_recipients", LX_received_recipients },
678 { US"received_sender", LX_received_sender },
679 { US"rejected_header", LX_rejected_header },
680 { US"rejected_headers", LX_rejected_header },
681 { US"retry_defer", L_retry_defer },
682 { US"return_path_on_delivery", LX_return_path_on_delivery },
683 { US"sender_on_delivery", LX_sender_on_delivery },
684 { US"sender_verify_fail", LX_sender_verify_fail },
685 { US"size_reject", L_size_reject },
686 { US"skip_delivery", L_skip_delivery },
687 { US"smtp_confirmation", LX_smtp_confirmation },
688 { US"smtp_connection", L_smtp_connection },
689 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
690 { US"smtp_protocol_error", L_smtp_protocol_error },
691 { US"smtp_syntax_error", L_smtp_syntax_error },
692 { US"subject", LX_subject },
693 { US"tls_certificate_verified", LX_tls_certificate_verified },
694 { US"tls_cipher", LX_tls_cipher },
695 { US"tls_peerdn", LX_tls_peerdn },
696 { US"unknown_in_list", LX_unknown_in_list }
699 int log_options_count = sizeof(log_options)/sizeof(bit_table);
700 unsigned int log_write_selector= L_default;
701 uschar *log_selector_string = NULL;
702 FILE *log_stderr = NULL;
703 BOOL log_testing_mode = FALSE;
704 BOOL log_timezone = FALSE;
705 uschar *login_sender_address = NULL;
706 int lookup_open_max = 25;
707 uschar *lookup_value = NULL;
709 macro_item *macros = NULL;
710 uschar *mailstore_basename = NULL;
711 #ifdef WITH_CONTENT_SCAN
712 uschar *malware_name = NULL; /* Virus Name */
714 int max_username_length = 0;
716 uschar *message_body = NULL;
717 uschar *message_body_end = NULL;
718 int message_body_size = 0;
719 int message_body_visible = 500;
720 int message_ended = END_NOTSTARTED;
721 uschar *message_headers = NULL;
723 uschar *message_id_domain = NULL;
724 uschar *message_id_text = NULL;
725 struct timeval message_id_tv = { 0, 0 };
726 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
727 uschar *message_id_external;
728 int message_linecount = 0;
729 BOOL message_logs = TRUE;
730 int message_size = 0;
731 uschar *message_size_limit = US"50M";
732 uschar message_subdir[2] = { 0, 0 };
733 uschar *message_reference = NULL;
735 /* MIME ACL expandables */
736 #ifdef WITH_CONTENT_SCAN
737 int mime_anomaly_level = 0;
738 uschar *mime_anomaly_text = NULL;
739 uschar *mime_boundary = NULL;
740 uschar *mime_charset = NULL;
741 uschar *mime_content_description = NULL;
742 uschar *mime_content_disposition = NULL;
743 uschar *mime_content_id = NULL;
744 unsigned int mime_content_size = 0;
745 uschar *mime_content_transfer_encoding = NULL;
746 uschar *mime_content_type = NULL;
747 uschar *mime_decoded_filename = NULL;
748 uschar *mime_filename = NULL;
749 int mime_is_multipart = 0;
750 int mime_is_coverletter = 0;
751 int mime_is_rfc822 = 0;
752 int mime_part_count = -1;
755 BOOL mua_wrapper = FALSE;
757 uid_t *never_users = NULL;
758 #ifdef WITH_CONTENT_SCAN
759 BOOL no_mbox_unspool = FALSE;
761 BOOL no_multiline_responses = FALSE;
764 gid_t originator_gid;
765 uschar *originator_login = NULL;
766 uschar *originator_name = NULL;
767 uid_t originator_uid;
768 uschar *override_local_interfaces = NULL;
769 uschar *override_pid_file_path = NULL;
771 BOOL parse_allow_group = FALSE;
772 BOOL parse_found_group = FALSE;
773 uschar *percent_hack_domains = NULL;
774 uschar *pid_file_path = US PID_FILE_PATH
775 "\0<--------------Space to patch pid_file_path->";
776 uschar *pipelining_advertise_hosts = US"*";
777 BOOL preserve_message_logs = FALSE;
778 uschar *primary_hostname = NULL;
779 BOOL print_topbitchars = FALSE;
780 uschar process_info[PROCESS_INFO_SIZE];
781 uschar *process_log_path = NULL;
782 BOOL prod_requires_admin = TRUE;
783 uschar *prvscheck_address = NULL;
784 uschar *prvscheck_keynum = NULL;
785 uschar *prvscheck_result = NULL;
788 uschar *qualify_domain_recipient = NULL;
789 uschar *qualify_domain_sender = NULL;
790 BOOL queue_2stage = FALSE;
791 uschar *queue_domains = NULL;
792 int queue_interval = -1;
793 BOOL queue_list_requires_admin = TRUE;
794 BOOL queue_only = FALSE;
795 uschar *queue_only_file = NULL;
796 int queue_only_load = -1;
797 BOOL queue_only_override = TRUE;
798 BOOL queue_only_policy = FALSE;
799 BOOL queue_run_first_delivery = FALSE;
800 BOOL queue_run_force = FALSE;
801 BOOL queue_run_in_order = FALSE;
802 BOOL queue_run_local = FALSE;
803 int queue_run_max = 5;
804 pid_t queue_run_pid = (pid_t)0;
805 int queue_run_pipe = -1;
806 BOOL queue_running = FALSE;
807 BOOL queue_smtp = FALSE;
808 uschar *queue_smtp_domains = NULL;
810 unsigned int random_seed = 0;
811 tree_node *ratelimiters_cmd = NULL;
812 tree_node *ratelimiters_conn = NULL;
813 tree_node *ratelimiters_mail = NULL;
814 uschar *raw_active_hostname = NULL;
815 uschar *raw_sender = NULL;
816 uschar **raw_recipients = NULL;
817 int raw_recipients_count = 0;
820 int rcpt_fail_count = 0;
821 int rcpt_defer_count = 0;
824 BOOL really_exim = TRUE;
825 BOOL receive_call_bombout = FALSE;
826 int receive_linecount = 0;
827 int receive_messagecount = 0;
828 int receive_timeout = 0;
829 int received_count = 0;
830 uschar *received_for = NULL;
832 /* This is the default text for Received headers generated by Exim. The
833 date will be automatically added on the end. */
835 uschar *received_header_text = US
837 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
838 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
839 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
840 "by $primary_hostname "
841 "${if def:received_protocol {with $received_protocol}} "
843 "${if def:tls_cipher {($tls_cipher)\n\t}}"
845 "(Exim $version_number)\n\t"
846 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
847 "id $message_exim_id"
848 "${if def:received_for {\n\tfor $received_for}}"
849 "\0<---------------Space to patch received_header_text->";
851 int received_headers_max = 30;
852 uschar *received_protocol = NULL;
853 int received_time = 0;
854 uschar *recipient_data = NULL;
855 uschar *recipient_unqualified_hosts = NULL;
856 uschar *recipient_verify_failure = NULL;
857 int recipients_count = 0;
858 BOOL recipients_discarded = FALSE;
859 recipient_item *recipients_list = NULL;
860 int recipients_list_max = 0;
861 int recipients_max = 0;
862 BOOL recipients_max_reject = FALSE;
863 const pcre *regex_AUTH = NULL;
864 const pcre *regex_check_dns_names = NULL;
865 const pcre *regex_From = NULL;
866 const pcre *regex_IGNOREQUOTA = NULL;
867 const pcre *regex_PIPELINING = NULL;
868 const pcre *regex_SIZE = NULL;
869 const pcre *regex_ismsgid = NULL;
870 #ifdef WITH_CONTENT_SCAN
871 uschar *regex_match_string = NULL;
873 int remote_delivery_count = 0;
874 int remote_max_parallel = 2;
875 uschar *remote_sort_domains = NULL;
876 int retry_data_expire = 7*24*60*60;
877 int retry_interval_max = 24*60*60;
878 int retry_maximum_timeout = 0; /* set from retry config */
879 retry_config *retries = NULL;
880 uschar *return_path = NULL;
881 BOOL return_path_remove = TRUE;
882 int rewrite_existflags = 0;
883 uschar *rfc1413_hosts = US"*";
884 int rfc1413_query_timeout = 5;
885 /* BOOL rfc821_domains = FALSE; <<< on the way out */
886 uid_t root_uid = ROOT_UID;
888 router_instance *routers = NULL;
889 router_instance router_defaults = {
890 NULL, /* chain pointer */
893 NULL, /* private options block pointer */
894 NULL, /* driver name */
896 NULL, /* address_data */
897 #ifdef EXPERIMENTAL_BRIGHTMAIL
900 NULL, /* cannot_route_message */
901 NULL, /* condition */
902 NULL, /* current_directory */
903 NULL, /* debug_string */
905 NULL, /* errors_to */
906 NULL, /* expand_gid */
907 NULL, /* expand_uid */
908 NULL, /* expand_more */
909 NULL, /* expand_unseen */
910 NULL, /* extra_headers */
911 NULL, /* fallback_hosts */
912 NULL, /* home_directory */
913 NULL, /* ignore_target_hosts */
914 NULL, /* local_parts */
915 NULL, /* pass_router_name */
917 NULL, /* redirect_router_name */
918 NULL, /* remove_headers */
919 NULL, /* require_files */
920 NULL, /* router_home_directory */
921 US"freeze", /* self */
924 NULL, /* translate_ip_address */
925 NULL, /* transport_name */
927 TRUE, /* address_test */
928 #ifdef EXPERIMENTAL_BRIGHTMAIL
929 FALSE, /* bmi_deliver_alternate */
930 FALSE, /* bmi_deliver_default */
931 FALSE, /* bmi_dont_deliver */
934 FALSE, /* caseful_local_part */
935 FALSE, /* check_local_user */
936 FALSE, /* disable_logging */
937 FALSE, /* fail_verify_recipient */
938 FALSE, /* fail_verify_sender */
940 FALSE, /* initgroups */
941 TRUE_UNSET, /* log_as_local */
943 FALSE, /* pass_on_timeout */
944 FALSE, /* prefix_optional */
945 TRUE, /* repeat_use */
946 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
947 FALSE, /* same_domain_copy_routing */
948 FALSE, /* self_rewrite */
949 FALSE, /* suffix_optional */
950 FALSE, /* verify_only */
951 TRUE, /* verify_recipient */
952 TRUE, /* verify_sender */
956 self_freeze, /* self_code */
957 (uid_t)(-1), /* uid */
958 (gid_t)(-1), /* gid */
960 NULL, /* fallback_hostlist */
961 NULL, /* transport instance */
962 NULL, /* pass_router */
963 NULL /* redirect_router */
966 ip_address_item *running_interfaces = NULL;
967 BOOL running_in_test_harness = FALSE;
969 /* This is a weird one. The following string gets patched in the binary by the
970 script that sets up a copy of Exim for running in the test harness. It seems
971 that compilers are now clever, and share constant strings if they can.
972 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
973 make use of the end of this string in order to save space. So the patching then
974 wrecks this. We default this optimization by adding some additional characters
975 onto the end of the string. */
977 uschar *running_status = US">>>running<<<" "\0EXTRA";
981 uschar *search_error_message = NULL;
982 BOOL search_find_defer = FALSE;
983 uschar *self_hostname = NULL;
984 uschar *sender_address = NULL;
985 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
986 uschar *sender_address_data = NULL;
987 BOOL sender_address_forced = FALSE;
988 uschar *sender_address_unrewritten = NULL;
989 uschar *sender_data = NULL;
990 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
991 uschar *sender_fullhost = NULL;
992 uschar *sender_helo_name = NULL;
993 uschar **sender_host_aliases = &no_aliases;
994 uschar *sender_host_address = NULL;
995 uschar *sender_host_authenticated = NULL;
996 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
997 uschar *sender_host_name = NULL;
998 int sender_host_port = 0;
999 BOOL sender_host_notsocket = FALSE;
1000 BOOL sender_host_unknown = FALSE;
1001 uschar *sender_ident = NULL;
1002 BOOL sender_local = FALSE;
1003 BOOL sender_name_forced = FALSE;
1004 uschar *sender_rate = NULL;
1005 uschar *sender_rate_limit = NULL;
1006 uschar *sender_rate_period = NULL;
1007 uschar *sender_rcvhost = NULL;
1008 BOOL sender_set_untrusted = FALSE;
1009 uschar *sender_unqualified_hosts = NULL;
1010 uschar *sender_verify_failure = NULL;
1011 address_item *sender_verified_list = NULL;
1012 address_item *sender_verified_failed = NULL;
1013 int sender_verified_rc = -1;
1014 BOOL sender_verified_responded = FALSE;
1015 volatile BOOL sigalrm_seen = FALSE;
1016 uschar **sighup_argv = NULL;
1017 int smtp_accept_count = 0;
1018 BOOL smtp_accept_keepalive = TRUE;
1019 int smtp_accept_max = 20;
1020 int smtp_accept_max_nonmail= 10;
1021 uschar *smtp_accept_max_nonmail_hosts = US"*";
1022 int smtp_accept_max_per_connection = 1000;
1023 uschar *smtp_accept_max_per_host = NULL;
1024 int smtp_accept_queue = 0;
1025 int smtp_accept_queue_per_connection = 10;
1026 int smtp_accept_reserve = 0;
1027 uschar *smtp_active_hostname = NULL;
1028 BOOL smtp_authenticated = FALSE;
1029 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1030 "Exim $version_number $tod_full"
1031 "\0<---------------Space to patch smtp_banner->";
1032 BOOL smtp_batched_input = FALSE;
1033 BOOL smtp_check_spool_space = TRUE;
1034 uschar *smtp_cmd_argument = NULL;
1035 uschar *smtp_cmd_buffer = NULL;
1036 int smtp_connect_backlog = 20;
1037 double smtp_delay_mail = 0.0;
1038 double smtp_delay_rcpt = 0.0;
1039 BOOL smtp_enforce_sync = TRUE;
1040 FILE *smtp_in = NULL;
1041 BOOL smtp_input = FALSE;
1042 int smtp_load_reserve = -1;
1043 int smtp_mailcmd_count = 0;
1044 FILE *smtp_out = NULL;
1045 uschar *smtp_etrn_command = NULL;
1046 BOOL smtp_etrn_serialize = TRUE;
1047 int smtp_max_synprot_errors= 3;
1048 int smtp_max_unknown_commands = 3;
1049 uschar *smtp_ratelimit_hosts = NULL;
1050 uschar *smtp_ratelimit_mail = NULL;
1051 uschar *smtp_ratelimit_rcpt = NULL;
1052 uschar *smtp_read_error = US"";
1053 int smtp_receive_timeout = 5*60;
1054 uschar *smtp_reserve_hosts = NULL;
1055 BOOL smtp_return_error_details = FALSE;
1056 int smtp_rlm_base = 0;
1057 double smtp_rlm_factor = 0.0;
1058 int smtp_rlm_limit = 0;
1059 int smtp_rlm_threshold = INT_MAX;
1060 int smtp_rlr_base = 0;
1061 double smtp_rlr_factor = 0.0;
1062 int smtp_rlr_limit = 0;
1063 int smtp_rlr_threshold = INT_MAX;
1064 BOOL smtp_use_pipelining = FALSE;
1065 BOOL smtp_use_size = FALSE;
1067 #ifdef WITH_CONTENT_SCAN
1068 uschar *spamd_address = US"127.0.0.1 783";
1069 uschar *spam_bar = NULL;
1070 uschar *spam_report = NULL;
1071 uschar *spam_score = NULL;
1072 uschar *spam_score_int = NULL;
1074 #ifdef EXPERIMENTAL_SPF
1075 uschar *spf_header_comment = NULL;
1076 uschar *spf_received = NULL;
1077 uschar *spf_result = NULL;
1078 uschar *spf_smtp_comment = NULL;
1081 BOOL split_spool_directory = FALSE;
1082 uschar *spool_directory = US SPOOL_DIRECTORY
1083 "\0<--------------Space to patch spool_directory->";
1084 #ifdef EXPERIMENTAL_SRS
1085 uschar *srs_config = NULL;
1086 uschar *srs_db_address = NULL;
1087 uschar *srs_db_key = NULL;
1088 int srs_hashlength = 6;
1089 int srs_hashmin = -1;
1090 int srs_maxage = 31;
1091 uschar *srs_orig_recipient = NULL;
1092 uschar *srs_orig_sender = NULL;
1093 uschar *srs_recipient = NULL;
1094 uschar *srs_secrets = NULL;
1095 uschar *srs_status = NULL;
1096 BOOL srs_usehash = TRUE;
1097 BOOL srs_usetimestamp = TRUE;
1099 int string_datestamp_offset= -1;
1100 BOOL strip_excess_angle_brackets = FALSE;
1101 BOOL strip_trailing_dot = FALSE;
1102 uschar *submission_domain = NULL;
1103 BOOL submission_mode = FALSE;
1104 uschar *submission_name = NULL;
1105 BOOL suppress_local_fixups = FALSE;
1106 BOOL synchronous_delivery = FALSE;
1107 BOOL syslog_duplication = TRUE;
1108 int syslog_facility = LOG_MAIL;
1109 uschar *syslog_processname = US"exim";
1110 BOOL syslog_timestamp = TRUE;
1111 uschar *system_filter = NULL;
1113 uschar *system_filter_directory_transport = NULL;
1114 uschar *system_filter_file_transport = NULL;
1115 uschar *system_filter_pipe_transport = NULL;
1116 uschar *system_filter_reply_transport = NULL;
1118 gid_t system_filter_gid = 0;
1119 BOOL system_filter_gid_set = FALSE;
1120 uid_t system_filter_uid = 0;
1121 BOOL system_filter_uid_set = FALSE;
1122 BOOL system_filtering = FALSE;
1124 BOOL tcp_nodelay = TRUE;
1125 int thismessage_size_limit = 0;
1126 int timeout_frozen_after = 0;
1127 BOOL timestamps_utc = FALSE;
1129 transport_instance *transports = NULL;
1131 transport_instance transport_defaults = {
1132 NULL, /* chain pointer */
1135 NULL, /* private options block pointer */
1136 NULL, /* driver name */
1137 NULL, /* setup entry point */
1139 NULL, /* batch_id */
1140 NULL, /* home_dir */
1141 NULL, /* current_dir */
1142 TRUE, /* multi-domain */
1143 FALSE, /* overrides_hosts */
1144 100, /* max_addresses */
1145 500, /* connection_max_messages */
1146 FALSE, /* deliver_as_creator */
1147 FALSE, /* disable_logging */
1148 FALSE, /* initgroups */
1149 FALSE, /* uid_set */
1150 FALSE, /* gid_set */
1151 (uid_t)(-1), /* uid */
1152 (gid_t)(-1), /* gid */
1153 NULL, /* expand_uid */
1154 NULL, /* expand_gid */
1155 NULL, /* warn_message */
1157 NULL, /* shadow_condition */
1158 NULL, /* filter_command */
1159 NULL, /* add_headers */
1160 NULL, /* remove_headers */
1161 NULL, /* return_path */
1162 NULL, /* debug_string */
1163 NULL, /* message_size_limit */
1164 NULL, /* headers_rewrite */
1165 NULL, /* rewrite_rules */
1166 0, /* rewrite_existflags */
1167 300, /* filter_timeout */
1168 FALSE, /* body_only */
1169 FALSE, /* delivery_date_add */
1170 FALSE, /* envelope_to_add */
1171 FALSE, /* headers_only */
1172 FALSE, /* rcpt_include_affixes */
1173 FALSE, /* return_path_add */
1174 FALSE, /* return_output */
1175 FALSE, /* return_fail_output */
1176 FALSE, /* log_output */
1177 FALSE, /* log_fail_output */
1178 FALSE, /* log_defer_output */
1179 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1180 1 nor 0 so can detect unset */
1183 int transport_count;
1184 uschar **transport_filter_argv = NULL;
1185 int transport_filter_timeout;
1186 BOOL transport_filter_timed_out = FALSE;
1187 int transport_write_timeout= 0;
1189 tree_node *tree_dns_fails = NULL;
1190 tree_node *tree_duplicates = NULL;
1191 tree_node *tree_nonrecipients = NULL;
1192 tree_node *tree_unusable = NULL;
1194 BOOL trusted_caller = FALSE;
1195 gid_t *trusted_groups = NULL;
1196 uid_t *trusted_users = NULL;
1197 uschar *timezone_string = US TIMEZONE_DEFAULT;
1199 uschar *unknown_login = NULL;
1200 uschar *unknown_username = NULL;
1201 uschar *untrusted_set_sender = NULL;
1203 /* A regex for matching a "From_" line in an incoming message, in the form
1205 From ph10 Fri Jan 5 12:35 GMT 1996
1207 which the "mail" commands send to the MTA (undocumented, of course), or in
1210 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1212 which is apparently used by some UUCPs, despite it not being in RFC 976.
1213 Because of variations in time formats, just match up to the minutes. That
1214 should be sufficient. Examples have been seen of time fields like 12:1:03,
1215 so just require one digit for hours and minutes. The weekday is also absent
1218 uschar *uucp_from_pattern = US
1219 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1220 "(?:" /* Non-extracting bracket */
1221 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1222 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1223 ")" /* End alternation */
1224 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1226 uschar *uucp_from_sender = US"$1";
1228 uschar *warn_message_file = NULL;
1229 uschar *warnmsg_delay = NULL;
1230 uschar *warnmsg_recipients = NULL;
1231 BOOL write_rejectlog = TRUE;
1233 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1234 uschar *version_date = US"?";
1235 uschar *version_cnumber = US"????";
1236 uschar *version_string = US"?";
1238 int warning_count = 0;
1240 /* End of globals.c */
git://git.exim.org / exim.git / blob