1 /* $Cambridge: exim/src/src/globals.c,v 1.6.2.6 2004/12/15 11:51:09 tom Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2004 */
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 uschar *ibase_servers = NULL;
70 uschar *eldap_default_servers = NULL;
71 int eldap_version = -1;
75 uschar *mysql_servers = NULL;
79 uschar *oracle_servers = NULL;
83 uschar *pgsql_servers = NULL;
86 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
87 BOOL move_frozen_messages = FALSE;
90 /* These variables are outside the #ifdef because it keeps the code less
91 cluttered in several places (e.g. during logging) if we can always refer to
92 them. Also, the tls_ variables are now always visible. */
95 BOOL tls_certificate_verified = FALSE;
96 uschar *tls_cipher = NULL;
97 BOOL tls_on_connect = FALSE;
98 uschar *tls_on_connect_ports = NULL;
99 uschar *tls_peerdn = NULL;
102 const pcre *regex_STARTTLS = NULL;
103 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
104 uschar *tls_certificate = NULL;
105 uschar *tls_crl = NULL;
106 uschar *tls_dhparam = NULL;
107 BOOL tls_offered = FALSE;
108 uschar *tls_privatekey = NULL;
109 BOOL tls_remember_esmtp = FALSE;
110 uschar *tls_require_ciphers = NULL;
111 uschar *tls_try_verify_hosts = NULL;
112 uschar *tls_verify_certificates= NULL;
113 uschar *tls_verify_hosts = NULL;
117 /* Input-reading functions for messages, so we can use special ones for
118 incoming TCP/IP. The defaults use stdin. We never need these for any
119 stand-alone tests. */
122 int (*receive_getc)(void) = stdin_getc;
123 int (*receive_ungetc)(int) = stdin_ungetc;
124 int (*receive_feof)(void) = stdin_feof;
125 int (*receive_ferror)(void) = stdin_ferror;
129 /* List of per-address expansion variables for clearing and saving/restoring
130 when verifying one address while routing/verifying another. We have to have
131 the size explicit, because it is referenced from more than one module. */
133 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
134 &deliver_address_data,
136 &deliver_domain_data,
137 &deliver_domain_orig,
138 &deliver_domain_parent,
140 &deliver_localpart_data,
141 &deliver_localpart_orig,
142 &deliver_localpart_parent,
143 &deliver_localpart_prefix,
144 &deliver_localpart_suffix,
145 (uschar **)(&deliver_recipients),
153 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
155 /* General global variables */
157 tree_node *acl_anchor = NULL;
158 uschar *acl_not_smtp = NULL;
159 uschar *acl_smtp_auth = NULL;
160 uschar *acl_smtp_connect = NULL;
161 uschar *acl_smtp_data = NULL;
162 uschar *acl_smtp_etrn = NULL;
163 uschar *acl_smtp_expn = NULL;
164 uschar *acl_smtp_helo = NULL;
165 uschar *acl_smtp_mail = NULL;
166 uschar *acl_smtp_mailauth = NULL;
167 #ifdef WITH_CONTENT_SCAN
168 uschar *acl_smtp_mime = NULL;
170 uschar *acl_smtp_predata = NULL;
171 uschar *acl_smtp_quit = NULL;
172 uschar *acl_smtp_rcpt = NULL;
173 uschar *acl_smtp_starttls = NULL;
174 uschar *acl_smtp_vrfy = NULL;
175 BOOL acl_temp_details = FALSE;
176 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
177 uschar *acl_verify_message = NULL;
178 header_line *acl_warn_headers = NULL;
179 string_item *acl_warn_logged = NULL;
181 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
182 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
184 uschar *acl_wherenames[] = { US"RCPT",
187 #ifdef WITH_CONTENT_SCAN
203 int acl_wherecodes[] = { 550, /* RCPT */
206 #ifdef WITH_CONTENT_SCAN
210 0, /* not SMTP; not relevant */
216 0, /* MAILAUTH; not relevant */
217 0, /* QUIT; not relevant */
222 BOOL active_local_from_check = FALSE;
223 BOOL active_local_sender_retain = FALSE;
224 BOOL accept_8bitmime = FALSE;
225 address_item *addr_duplicate = NULL;
227 address_item address_defaults = {
232 NULL, /* start_router */
234 NULL, /* transport */
235 NULL, /* host_list */
236 NULL, /* host_used */
237 NULL, /* fallback_hosts */
242 NULL, /* cc_local_part */
243 NULL, /* lc_local_part */
244 NULL, /* local_part */
248 NULL, /* address_retry_key */
249 NULL, /* domain_retry_key */
250 NULL, /* current_dir */
253 NULL, /* user_message */
254 NULL, /* onetime_parent */
255 NULL, /* pipe_expandn */
256 NULL, /* return_filename */
257 NULL, /* self_hostname */
258 NULL, /* shadow_message */
263 (uid_t)(-1), /* uid */
264 (gid_t)(-1), /* gid */
266 { 0 }, /* domain_cache - any larger array should be zeroed */
267 { 0 }, /* localpart_cache - ditto */
270 ERRNO_UNKNOWNERROR, /* basic_errno */
272 -1, /* return_file */
273 SPECIAL_NONE, /* special_action */
274 DEFER, /* transport_return */
275 { /* fields that are propagated to children */
276 NULL, /* address_data */
277 NULL, /* domain_data */
278 NULL, /* localpart_data */
279 NULL, /* errors_address */
280 NULL, /* extra_headers */
281 NULL, /* remove_headers */
285 uschar *address_file = NULL;
286 uschar *address_pipe = NULL;
287 BOOL address_test_mode = FALSE;
288 tree_node *addresslist_anchor = NULL;
289 int addresslist_count = 0;
290 gid_t *admin_groups = NULL;
291 BOOL admin_user = FALSE;
292 BOOL allow_domain_literals = FALSE;
293 BOOL allow_mx_to_ip = FALSE;
294 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
295 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
296 BOOL allow_utf8_domains = FALSE;
297 uschar *authenticated_id = NULL;
298 uschar *authenticated_sender = NULL;
299 BOOL authentication_failed = FALSE;
300 auth_instance *auths = NULL;
301 uschar *auth_advertise_hosts = US"*";
302 auth_instance auth_defaults = {
303 NULL, /* chain pointer */
306 NULL, /* private options block pointer */
307 NULL, /* driver_name */
308 NULL, /* advertise_condition */
309 NULL, /* public_name */
311 NULL, /* server_mail_auth_condition */
312 NULL, /* server_debug_string */
315 FALSE /* advertised */
318 uschar *auth_defer_msg = US"reason not recorded";
319 uschar *auth_defer_user_msg = US"";
321 #ifdef WITH_CONTENT_SCAN
322 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
325 BOOL background_daemon = TRUE;
326 uschar *base62_chars=
327 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
328 uschar *bi_command = NULL;
329 uschar *big_buffer = NULL;
330 int big_buffer_size = BIG_BUFFER_SIZE;
331 #ifdef EXPERIMENTAL_BRIGHTMAIL
332 uschar *bmi_alt_location = NULL;
333 uschar *bmi_base64_tracker_verdict = NULL;
334 uschar *bmi_base64_verdict = NULL;
335 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
338 uschar *bmi_verdicts = NULL;
340 int body_linecount = 0;
341 int body_zerocount = 0;
342 uschar *bounce_message_file = NULL;
343 uschar *bounce_message_text = NULL;
344 uschar *bounce_recipient = NULL;
345 BOOL bounce_return_body = TRUE;
346 BOOL bounce_return_message = TRUE;
347 int bounce_return_size_limit = 100*1024;
348 uschar *bounce_sender_authentication = NULL;
349 int bsmtp_transaction_linecount = 0;
351 int callout_cache_domain_positive_expire = 7*24*60*60;
352 int callout_cache_domain_negative_expire = 3*60*60;
353 int callout_cache_positive_expire = 24*60*60;
354 int callout_cache_negative_expire = 2*60*60;
355 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
356 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
357 int check_log_inodes = 0;
358 int check_log_space = 0;
359 int check_spool_inodes = 0;
360 int check_spool_space = 0;
361 int clmacro_count = 0;
362 uschar *clmacros[MAX_CLMACROS];
363 BOOL config_changed = FALSE;
364 FILE *config_file = NULL;
365 uschar *config_filename = NULL;
366 int config_lineno = 0;
367 #ifdef CONFIGURE_GROUP
368 gid_t config_gid = CONFIGURE_GROUP;
370 uschar *config_main_filelist = US CONFIGURE_FILE
371 "\0<-----------Space to patch configure_filename->";
372 uschar *config_main_filename = NULL;
374 #ifdef CONFIGURE_OWNER
375 uid_t config_uid = CONFIGURE_OWNER;
378 int connection_max_messages= -1;
379 uschar *continue_hostname = NULL;
380 uschar *continue_host_address = NULL;
381 BOOL continue_more = FALSE;
382 int continue_sequence = 1;
383 uschar *continue_transport = NULL;
385 BOOL daemon_listen = FALSE;
386 uschar *daemon_smtp_port = US"smtp";
387 BOOL debug_daemon = FALSE;
389 FILE *debug_file = NULL;
390 bit_table debug_options[] = {
393 { US"auth", D_auth },
394 { US"deliver", D_deliver },
396 { US"dnsbl", D_dnsbl },
397 { US"exec", D_exec },
398 { US"expand", D_expand },
399 { US"filter", D_filter },
400 { US"hints_lookup", D_hints_lookup },
401 { US"host_lookup", D_host_lookup },
402 { US"ident", D_ident },
403 { US"interface", D_interface },
404 { US"lists", D_lists },
405 { US"load", D_load },
406 { US"local_scan", D_local_scan },
407 { US"lookup", D_lookup },
408 { US"memory", D_memory },
410 { US"process_info", D_process_info },
411 { US"queue_run", D_queue_run },
412 { US"receive", D_receive },
413 { US"resolver", D_resolver },
414 { US"retry", D_retry },
415 { US"rewrite", D_rewrite },
416 { US"route", D_route },
417 { US"timestamp", D_timestamp },
419 { US"transport", D_transport },
421 { US"verify", D_verify }
423 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
424 unsigned int debug_selector = 0;
425 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
426 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
427 BOOL delivery_date_remove = TRUE;
428 uschar *deliver_address_data = NULL;
429 int deliver_datafile = -1;
430 uschar *deliver_domain = NULL;
431 uschar *deliver_domain_data = NULL;
432 uschar *deliver_domain_orig = NULL;
433 uschar *deliver_domain_parent = NULL;
434 BOOL deliver_drop_privilege = FALSE;
435 BOOL deliver_firsttime = FALSE;
436 BOOL deliver_force = FALSE;
437 BOOL deliver_freeze = FALSE;
438 int deliver_frozen_at = 0;
439 uschar *deliver_home = NULL;
440 uschar *deliver_host = NULL;
441 uschar *deliver_host_address = NULL;
442 uschar *deliver_in_buffer = NULL;
443 ino_t deliver_inode = 0;
444 uschar *deliver_localpart = NULL;
445 uschar *deliver_localpart_data = NULL;
446 uschar *deliver_localpart_orig = NULL;
447 uschar *deliver_localpart_parent = NULL;
448 uschar *deliver_localpart_prefix = NULL;
449 uschar *deliver_localpart_suffix = NULL;
450 BOOL deliver_force_thaw = FALSE;
451 BOOL deliver_manual_thaw = FALSE;
452 uschar *deliver_out_buffer = NULL;
453 int deliver_queue_load_max = -1;
454 address_item *deliver_recipients = NULL;
455 uschar *deliver_selectstring = NULL;
456 BOOL deliver_selectstring_regex = FALSE;
457 uschar *deliver_selectstring_sender = NULL;
458 BOOL deliver_selectstring_sender_regex = FALSE;
459 #ifdef WITH_OLD_DEMIME
460 int demime_errorlevel = 0;
462 uschar *demime_reason = NULL;
464 BOOL disable_logging = FALSE;
466 uschar *dns_again_means_nonexist = NULL;
467 uschar *dns_ipv4_lookup = NULL;
470 uschar *dnslist_domain = NULL;
471 uschar *dnslist_text = NULL;
472 uschar *dnslist_value = NULL;
473 tree_node *domainlist_anchor = NULL;
474 int domainlist_count = 0;
475 BOOL dont_deliver = FALSE;
476 BOOL dot_ends = TRUE;
477 BOOL drop_cr = FALSE; /* No longer used */
479 BOOL enable_dollar_recipients = FALSE;
480 BOOL envelope_to_remove = TRUE;
481 int errno_quota = ERRNO_QUOTA;
482 uschar *errors_copy = NULL;
483 int error_handling = ERRORS_SENDER;
484 uschar *errors_reply_to = NULL;
485 int errors_sender_rc = EXIT_FAILURE;
487 gid_t exim_gid = EXIM_GID;
488 BOOL exim_gid_set = TRUE; /* This gid is always set */
489 uschar *exim_path = US BIN_DIRECTORY "/exim"
490 "\0<---------------Space to patch exim_path->";
491 uid_t exim_uid = EXIM_UID;
492 BOOL exim_uid_set = TRUE; /* This uid is always set */
493 int expand_forbid = 0;
494 int expand_nlength[EXPAND_MAXN+1];
495 int expand_nmax = -1;
496 uschar *expand_nstring[EXPAND_MAXN+1];
497 BOOL expand_string_forcedfail = FALSE;
498 uschar *expand_string_message;
499 BOOL extract_addresses_remove_arguments = TRUE;
500 uschar *extra_local_interfaces = NULL;
502 #ifdef WITH_CONTENT_SCAN
503 BOOL fake_reject = FALSE;
504 uschar *fake_reject_text = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legit message, it may still be delivered to the target recipient(s).";
506 int filter_n[FILTER_VARIABLE_COUNT];
507 BOOL filter_running = FALSE;
508 int filter_sn[FILTER_VARIABLE_COUNT];
509 uschar *filter_test = NULL;
510 uschar *filter_thisaddress = NULL;
511 int finduser_retries = 0;
512 #ifdef WITH_OLD_DEMIME
513 uschar *found_extension = NULL;
515 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
516 uschar *freeze_tell = NULL;
517 uschar *fudged_queue_times = US"";
519 uschar *gecos_name = NULL;
520 uschar *gecos_pattern = NULL;
521 rewrite_rule *global_rewrite_rules = NULL;
523 uschar *headers_charset = US HEADERS_CHARSET;
524 int header_insert_maxlen = 64 * 1024;
525 header_line *header_last = NULL;
526 header_line *header_list = NULL;
527 int header_maxsize = HEADER_MAXSIZE;
528 int header_line_maxsize = 0;
530 header_name header_names[] = {
531 { US"bcc", 3, TRUE, htype_bcc },
532 { US"cc", 2, TRUE, htype_cc },
533 { US"date", 4, TRUE, htype_date },
534 { US"delivery-date", 13, FALSE, htype_delivery_date },
535 { US"envelope-to", 11, FALSE, htype_envelope_to },
536 { US"from", 4, TRUE, htype_from },
537 { US"message-id", 10, TRUE, htype_id },
538 { US"received", 8, FALSE, htype_received },
539 { US"reply-to", 8, FALSE, htype_reply_to },
540 { US"return-path", 11, FALSE, htype_return_path },
541 { US"sender", 6, TRUE, htype_sender },
542 { US"subject", 7, FALSE, htype_subject },
543 { US"to", 2, TRUE, htype_to }
546 int header_names_size = sizeof(header_names)/sizeof(header_name);
548 BOOL header_rewritten = FALSE;
549 uschar *helo_accept_junk_hosts = NULL;
550 uschar *helo_allow_chars = US"";
551 uschar *helo_lookup_domains = US"@ : @[]";
552 uschar *helo_try_verify_hosts = NULL;
553 BOOL helo_verified = FALSE;
554 uschar *helo_verify_hosts = NULL;
555 uschar *hex_digits = US"0123456789abcdef";
556 uschar *hold_domains = NULL;
557 BOOL host_checking = FALSE;
558 BOOL host_checking_callout = FALSE;
559 uschar *host_data = NULL;
560 BOOL host_find_failed_syntax= FALSE;
561 uschar *host_lookup = NULL;
562 BOOL host_lookup_failed = FALSE;
563 uschar *host_lookup_order = US"bydns:byaddr";
564 uschar *host_lookup_msg = US"";
566 uschar *host_number_string = NULL;
567 uschar *host_reject_connection = NULL;
568 tree_node *hostlist_anchor = NULL;
569 int hostlist_count = 0;
570 uschar *hosts_treat_as_local = NULL;
571 uschar *hosts_connection_nolog = NULL;
573 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
574 BOOL ignore_fromline_local = FALSE;
575 uschar *ignore_fromline_hosts = NULL;
576 uschar *interface_address = NULL;
577 int interface_port = -1;
578 BOOL is_inetd = FALSE;
582 int keep_malformed = 4*24*60*60; /* 4 days */
584 uschar *eldap_dn = NULL;
585 int load_average = -2;
586 BOOL local_error_message = FALSE;
587 BOOL local_from_check = TRUE;
588 uschar *local_from_prefix = NULL;
589 uschar *local_from_suffix = NULL;
592 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
594 uschar *local_interfaces = US"0.0.0.0";
597 uschar *local_scan_data = NULL;
598 int local_scan_timeout = 5*60;
599 BOOL local_sender_retain = FALSE;
600 gid_t local_user_gid = (gid_t)(-1);
601 uid_t local_user_uid = (uid_t)(-1);
603 tree_node *localpartlist_anchor= NULL;
604 int localpartlist_count = 0;
605 uschar *log_buffer = NULL;
606 unsigned int log_extra_selector = LX_default;
607 uschar *log_file_path = US LOG_FILE_PATH
608 "\0<--------------Space to patch log_file_path->";
610 /* Those log options with L_xxx identifiers have values less than 0x800000 and
611 are the ones that get put into log_write_selector. They can be used in calls to
612 log_write() to test for the bit. The options with LX_xxx identifiers have
613 values greater than 0x80000000 and are put int log_extra_selector (without the
614 top bit). They are never used in calls to log_write(), but are tested
615 independently. This separation became necessary when the number of log
616 selectors was getting close to filling a 32-bit word. */
618 bit_table log_options[] = {
619 { US"address_rewrite", L_address_rewrite },
621 { US"all_parents", L_all_parents },
622 { US"arguments", LX_arguments },
623 { US"connection_reject", L_connection_reject },
624 { US"delay_delivery", L_delay_delivery },
625 { US"deliver_time", LX_deliver_time },
626 { US"delivery_size", LX_delivery_size },
627 { US"dnslist_defer", L_dnslist_defer },
628 { US"etrn", L_etrn },
629 { US"host_lookup_failed", L_host_lookup_failed },
630 { US"ident_timeout", LX_ident_timeout },
631 { US"incoming_interface", LX_incoming_interface },
632 { US"incoming_port", LX_incoming_port },
633 { US"lost_incoming_connection", L_lost_incoming_connection },
634 { US"outgoing_port", LX_outgoing_port },
635 { US"queue_run", L_queue_run },
636 { US"queue_time", LX_queue_time },
637 { US"received_recipients", LX_received_recipients },
638 { US"received_sender", LX_received_sender },
639 { US"rejected_header", LX_rejected_header },
640 { US"rejected_headers", LX_rejected_header },
641 { US"retry_defer", L_retry_defer },
642 { US"return_path_on_delivery", LX_return_path_on_delivery },
643 { US"sender_on_delivery", LX_sender_on_delivery },
644 { US"size_reject", L_size_reject },
645 { US"skip_delivery", L_skip_delivery },
646 { US"smtp_confirmation", LX_smtp_confirmation },
647 { US"smtp_connection", L_smtp_connection },
648 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
649 { US"smtp_protocol_error", L_smtp_protocol_error },
650 { US"smtp_syntax_error", L_smtp_syntax_error },
651 { US"subject", LX_subject },
652 { US"tls_certificate_verified", LX_tls_certificate_verified },
653 { US"tls_cipher", LX_tls_cipher },
654 { US"tls_peerdn", LX_tls_peerdn }
657 int log_options_count = sizeof(log_options)/sizeof(bit_table);
658 unsigned int log_write_selector= L_default;
659 uschar *log_selector_string = NULL;
660 FILE *log_stderr = NULL;
661 BOOL log_testing_mode = FALSE;
662 BOOL log_timezone = FALSE;
663 uschar *login_sender_address = NULL;
664 int lookup_open_max = 25;
665 uschar *lookup_value = NULL;
667 macro_item *macros = NULL;
668 uschar *mailstore_basename = NULL;
669 #ifdef WITH_CONTENT_SCAN
670 uschar *malware_name = NULL; /* Virus Name */
672 int max_username_length = 0;
674 uschar *message_body = NULL;
675 uschar *message_body_end = NULL;
676 int message_body_size = 0;
677 int message_body_visible = 500;
678 int message_ended = END_NOTSTARTED;
679 uschar *message_headers = NULL;
681 uschar *message_id_domain = NULL;
682 uschar *message_id_text = NULL;
683 struct timeval message_id_tv = { 0, 0 };
684 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
685 uschar *message_id_external;
686 int message_linecount = 0;
687 BOOL message_logs = TRUE;
688 int message_size = 0;
689 uschar *message_size_limit = US"50M";
690 uschar message_subdir[2] = { 0, 0 };
691 uschar *message_reference = NULL;
693 /* MIME ACL expandables */
694 #ifdef WITH_CONTENT_SCAN
695 int mime_anomaly_level = NULL;
696 uschar *mime_anomaly_text = NULL;
697 uschar *mime_boundary = NULL;
698 uschar *mime_charset = NULL;
699 uschar *mime_content_description = NULL;
700 uschar *mime_content_disposition = NULL;
701 uschar *mime_content_id = NULL;
702 unsigned int mime_content_size = 0;
703 uschar *mime_content_transfer_encoding = NULL;
704 uschar *mime_content_type = NULL;
705 uschar *mime_decoded_filename = NULL;
706 uschar *mime_filename = NULL;
707 int mime_is_multipart = 0;
708 int mime_is_coverletter = 0;
709 int mime_is_rfc822 = 0;
710 int mime_part_count = -1;
713 BOOL mua_wrapper = FALSE;
715 uid_t *never_users = NULL;
716 #ifdef WITH_CONTENT_SCAN
717 BOOL no_mbox_unspool = FALSE;
719 BOOL no_multiline_responses = FALSE;
722 gid_t originator_gid;
723 uschar *originator_login = NULL;
724 uschar *originator_name = NULL;
725 uid_t originator_uid;
726 uschar *override_local_interfaces = NULL;
727 uschar *override_pid_file_path = NULL;
729 BOOL parse_allow_group = FALSE;
730 BOOL parse_found_group = FALSE;
731 uschar *percent_hack_domains = NULL;
732 uschar *pid_file_path = US PID_FILE_PATH
733 "\0<--------------Space to patch pid_file_path->";
734 uschar *pipelining_advertise_hosts = US"*";
735 BOOL preserve_message_logs = FALSE;
736 uschar *primary_hostname = NULL;
737 BOOL print_topbitchars = FALSE;
738 uschar process_info[PROCESS_INFO_SIZE];
739 uschar *process_log_path = NULL;
740 BOOL prod_requires_admin = TRUE;
742 uschar *qualify_domain_recipient = NULL;
743 uschar *qualify_domain_sender = NULL;
744 BOOL queue_2stage = FALSE;
745 uschar *queue_domains = NULL;
746 int queue_interval = -1;
747 BOOL queue_list_requires_admin = TRUE;
748 BOOL queue_only = FALSE;
749 uschar *queue_only_file = NULL;
750 int queue_only_load = -1;
751 BOOL queue_only_override = TRUE;
752 BOOL queue_only_policy = FALSE;
753 BOOL queue_run_first_delivery = FALSE;
754 BOOL queue_run_force = FALSE;
755 BOOL queue_run_in_order = FALSE;
756 BOOL queue_run_local = FALSE;
757 int queue_run_max = 5;
758 pid_t queue_run_pid = (pid_t)0;
759 int queue_run_pipe = -1;
760 BOOL queue_running = FALSE;
761 BOOL queue_smtp = FALSE;
762 uschar *queue_smtp_domains = NULL;
764 unsigned int random_seed = 0;
765 uschar *raw_active_hostname = NULL;
766 uschar *raw_sender = NULL;
767 uschar **raw_recipients = NULL;
768 int raw_recipients_count = 0;
771 int rcpt_fail_count = 0;
772 int rcpt_defer_count = 0;
775 BOOL really_exim = TRUE;
776 BOOL receive_call_bombout = FALSE;
777 int receive_linecount = 0;
778 int receive_messagecount = 0;
779 int receive_timeout = 0;
780 int received_count = 0;
781 uschar *received_for = NULL;
783 /* This is the default text for Received headers generated by Exim. The
784 date will be automatically added on the end. */
786 uschar *received_header_text = US
788 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
789 "{${if def:sender_ident {from $sender_ident }}"
790 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
791 "by $primary_hostname "
792 "${if def:received_protocol {with $received_protocol}} "
794 "${if def:tls_cipher {($tls_cipher)\n\t}}"
796 "(Exim $version_number)\n\t"
798 "${if def:received_for {\n\tfor $received_for}}"
799 "\0<---------------Space to patch received_header_text->";
801 int received_headers_max = 30;
802 uschar *received_protocol = NULL;
803 int received_time = 0;
804 uschar *recipient_data = NULL;
805 uschar *recipient_unqualified_hosts = NULL;
806 uschar *recipient_verify_failure = NULL;
807 int recipients_count = 0;
808 BOOL recipients_discarded = FALSE;
809 recipient_item *recipients_list = NULL;
810 int recipients_list_max = 0;
811 int recipients_max = 0;
812 BOOL recipients_max_reject = FALSE;
813 const pcre *regex_AUTH = NULL;
814 const pcre *regex_check_dns_names = NULL;
815 const pcre *regex_From = NULL;
816 const pcre *regex_PIPELINING = NULL;
817 const pcre *regex_SIZE = NULL;
818 const pcre *regex_ismsgid = NULL;
819 #ifdef WITH_CONTENT_SCAN
820 uschar *regex_match_string = NULL;
822 int remote_delivery_count = 0;
823 int remote_max_parallel = 2;
824 uschar *remote_sort_domains = NULL;
825 int retry_data_expire = 7*24*60*60;
826 int retry_interval_max = 24*60*60;
827 int retry_maximum_timeout = 0; /* set from retry config */
828 retry_config *retries = NULL;
829 uschar *return_path = NULL;
830 BOOL return_path_remove = TRUE;
831 int rewrite_existflags = 0;
832 uschar *rfc1413_hosts = US"*";
833 int rfc1413_query_timeout = 30;
834 /* BOOL rfc821_domains = FALSE; <<< on the way out */
835 uid_t root_uid = ROOT_UID;
837 router_instance *routers = NULL;
838 router_instance router_defaults = {
839 NULL, /* chain pointer */
842 NULL, /* private options block pointer */
843 NULL, /* driver name */
845 NULL, /* address_data */
846 #ifdef EXPERIMENTAL_BRIGHTMAIL
849 NULL, /* cannot_route_message */
850 NULL, /* condition */
851 NULL, /* current_directory */
852 NULL, /* debug_string */
854 NULL, /* errors_to */
855 NULL, /* expand_gid */
856 NULL, /* expand_uid */
857 NULL, /* expand_more */
858 NULL, /* expand_unseen */
859 NULL, /* extra_headers */
860 NULL, /* fallback_hosts */
861 NULL, /* home_directory */
862 NULL, /* ignore_target_hosts */
863 NULL, /* local_parts */
864 NULL, /* pass_router_name */
866 NULL, /* redirect_router_name */
867 NULL, /* remove_headers */
868 NULL, /* require_files */
869 NULL, /* router_home_directory */
870 US"freeze", /* self */
873 NULL, /* translate_ip_address */
874 NULL, /* transport_name */
876 TRUE, /* address_test */
877 #ifdef EXPERIMENTAL_BRIGHTMAIL
878 FALSE, /* bmi_deliver_alternate */
879 FALSE, /* bmi_deliver_default */
880 FALSE, /* bmi_dont_deliver */
883 FALSE, /* caseful_local_part */
884 FALSE, /* check_local_user */
885 FALSE, /* disable_logging */
886 FALSE, /* fail_verify_recipient */
887 FALSE, /* fail_verify_sender */
889 FALSE, /* initgroups */
890 TRUE_UNSET, /* log_as_local */
892 FALSE, /* pass_on_timeout */
893 FALSE, /* prefix_optional */
894 TRUE, /* repeat_use */
895 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
896 FALSE, /* same_domain_copy_routing */
897 FALSE, /* self_rewrite */
898 FALSE, /* suffix_optional */
899 FALSE, /* verify_only */
900 TRUE, /* verify_recipient */
901 TRUE, /* verify_sender */
905 self_freeze, /* self_code */
906 (uid_t)(-1), /* uid */
907 (gid_t)(-1), /* gid */
909 NULL, /* fallback_hostlist */
910 NULL, /* transport instance */
911 NULL, /* pass_router */
912 NULL /* redirect_router */
915 ip_address_item *running_interfaces = NULL;
916 BOOL running_in_test_harness = FALSE;
918 /* This is a weird one. The following string gets patched in the binary by the
919 script that sets up a copy of Exim for running in the test harness. It seems
920 that compilers are now clever, and share constant strings if they can.
921 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
922 make use of the end of this string in order to save space. So the patching then
923 wrecks this. We default this optimization by adding some additional characters
924 onto the end of the string. */
926 uschar *running_status = US">>>running<<<" "\0EXTRA";
930 uschar *search_error_message = NULL;
931 BOOL search_find_defer = FALSE;
932 uschar *self_hostname = NULL;
933 uschar *sender_address = NULL;
934 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
935 uschar *sender_address_data = NULL;
936 BOOL sender_address_forced = FALSE;
937 uschar *sender_address_unrewritten = NULL;
938 uschar *sender_data = NULL;
939 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
940 uschar *sender_fullhost = NULL;
941 uschar *sender_helo_name = NULL;
942 uschar **sender_host_aliases = &no_aliases;
943 uschar *sender_host_address = NULL;
944 uschar *sender_host_authenticated = NULL;
945 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
946 uschar *sender_host_name = NULL;
947 int sender_host_port = 0;
948 BOOL sender_host_notsocket = FALSE;
949 BOOL sender_host_unknown = FALSE;
950 uschar *sender_ident = NULL;
951 BOOL sender_local = FALSE;
952 uschar *sender_rcvhost = NULL;
953 BOOL sender_set_untrusted = FALSE;
954 uschar *sender_unqualified_hosts = NULL;
955 uschar *sender_verify_failure = NULL;
956 address_item *sender_verified_list = NULL;
957 address_item *sender_verified_failed = NULL;
958 int sender_verified_rc = -1;
959 BOOL sender_verified_responded = FALSE;
960 volatile BOOL sigalrm_seen = FALSE;
961 uschar **sighup_argv = NULL;
962 int smtp_accept_count = 0;
963 BOOL smtp_accept_keepalive = TRUE;
964 int smtp_accept_max = 20;
965 int smtp_accept_max_nonmail= 10;
966 uschar *smtp_accept_max_nonmail_hosts = US"*";
967 int smtp_accept_max_per_connection = 1000;
968 uschar *smtp_accept_max_per_host = NULL;
969 int smtp_accept_queue = 0;
970 int smtp_accept_queue_per_connection = 10;
971 int smtp_accept_reserve = 0;
972 uschar *smtp_active_hostname = NULL;
973 BOOL smtp_authenticated = FALSE;
974 uschar *smtp_banner = US"$primary_hostname ESMTP "
975 "Exim $version_number $tod_full"
976 "\0<---------------Space to patch smtp_banner->";
977 BOOL smtp_batched_input = FALSE;
978 BOOL smtp_check_spool_space = TRUE;
979 uschar *smtp_command_argument = NULL;
980 int smtp_connect_backlog = 20;
981 double smtp_delay_mail = 0.0;
982 double smtp_delay_rcpt = 0.0;
983 BOOL smtp_enforce_sync = TRUE;
984 FILE *smtp_in = NULL;
985 BOOL smtp_input = FALSE;
986 int smtp_load_reserve = -1;
987 int smtp_mailcmd_count = 0;
988 FILE *smtp_out = NULL;
989 uschar *smtp_etrn_command = NULL;
990 BOOL smtp_etrn_serialize = TRUE;
991 int smtp_max_synprot_errors= 3;
992 int smtp_max_unknown_commands = 3;
993 uschar *smtp_ratelimit_hosts = NULL;
994 uschar *smtp_ratelimit_mail = NULL;
995 uschar *smtp_ratelimit_rcpt = NULL;
996 uschar *smtp_read_error = US"";
997 int smtp_receive_timeout = 5*60;
998 uschar *smtp_reserve_hosts = NULL;
999 BOOL smtp_return_error_details = FALSE;
1000 int smtp_rlm_base = 0;
1001 double smtp_rlm_factor = 0.0;
1002 int smtp_rlm_limit = 0;
1003 int smtp_rlm_threshold = INT_MAX;
1004 int smtp_rlr_base = 0;
1005 double smtp_rlr_factor = 0.0;
1006 int smtp_rlr_limit = 0;
1007 int smtp_rlr_threshold = INT_MAX;
1008 BOOL smtp_use_pipelining = FALSE;
1009 BOOL smtp_use_size = FALSE;
1011 #ifdef WITH_CONTENT_SCAN
1012 uschar *spamd_address = US"127.0.0.1 783";
1013 uschar *spam_bar = NULL;
1014 uschar *spam_report = NULL;
1015 uschar *spam_score = NULL;
1016 uschar *spam_score_int = NULL;
1018 #ifdef EXPERIMENTAL_SPF
1019 uschar *spf_header_comment = NULL;
1020 uschar *spf_received = NULL;
1021 uschar *spf_result = NULL;
1022 uschar *spf_smtp_comment = NULL;
1025 BOOL split_spool_directory = FALSE;
1026 uschar *spool_directory = US SPOOL_DIRECTORY
1027 "\0<--------------Space to patch spool_directory->";
1028 #ifdef EXPERIMENTAL_SRS
1029 uschar *srs_config = NULL;
1030 uschar *srs_db_address = NULL;
1031 uschar *srs_db_key = NULL;
1032 uschar *srs_orig_recipient = NULL;
1033 uschar *srs_orig_sender = NULL;
1034 uschar *srs_recipient = NULL;
1035 uschar *srs_status = NULL;
1037 int string_datestamp_offset= -1;
1038 BOOL strip_excess_angle_brackets = FALSE;
1039 BOOL strip_trailing_dot = FALSE;
1040 uschar *submission_domain = NULL;
1041 BOOL submission_mode = FALSE;
1042 BOOL synchronous_delivery = FALSE;
1043 BOOL syslog_duplication = TRUE;
1044 int syslog_facility = LOG_MAIL;
1045 uschar *syslog_processname = US"exim";
1046 BOOL syslog_timestamp = TRUE;
1047 uschar *system_filter = NULL;
1049 uschar *system_filter_directory_transport = NULL;
1050 uschar *system_filter_file_transport = NULL;
1051 uschar *system_filter_pipe_transport = NULL;
1052 uschar *system_filter_reply_transport = NULL;
1054 gid_t system_filter_gid = 0;
1055 BOOL system_filter_gid_set = FALSE;
1056 uid_t system_filter_uid = 0;
1057 BOOL system_filter_uid_set = FALSE;
1058 BOOL system_filtering = FALSE;
1060 BOOL tcp_nodelay = TRUE;
1061 int thismessage_size_limit = 0;
1062 int timeout_frozen_after = 0;
1063 BOOL timestamps_utc = FALSE;
1065 transport_instance *transports = NULL;
1067 transport_instance transport_defaults = {
1068 NULL, /* chain pointer */
1071 NULL, /* private options block pointer */
1072 NULL, /* driver name */
1073 NULL, /* setup entry point */
1075 NULL, /* batch_id */
1076 NULL, /* home_dir */
1077 NULL, /* current_dir */
1078 TRUE, /* multi-domain */
1079 FALSE, /* overrides_hosts */
1080 100, /* max_addresses */
1081 500, /* connection_max_messages */
1082 FALSE, /* deliver_as_creator */
1083 FALSE, /* disable_logging */
1084 FALSE, /* initgroups */
1085 FALSE, /* uid_set */
1086 FALSE, /* gid_set */
1087 (uid_t)(-1), /* uid */
1088 (gid_t)(-1), /* gid */
1089 NULL, /* expand_uid */
1090 NULL, /* expand_gid */
1091 NULL, /* warn_message */
1093 NULL, /* shadow_condition */
1094 NULL, /* filter_command */
1095 NULL, /* add_headers */
1096 NULL, /* remove_headers */
1097 NULL, /* return_path */
1098 NULL, /* debug_string */
1099 NULL, /* message_size_limit */
1100 NULL, /* headers_rewrite */
1101 NULL, /* rewrite_rules */
1102 0, /* rewrite_existflags */
1103 300, /* filter_timeout */
1104 FALSE, /* body_only */
1105 FALSE, /* delivery_date_add */
1106 FALSE, /* envelope_to_add */
1107 FALSE, /* headers_only */
1108 FALSE, /* rcpt_include_affixes */
1109 FALSE, /* return_path_add */
1110 FALSE, /* return_output */
1111 FALSE, /* return_fail_output */
1112 FALSE, /* log_output */
1113 FALSE, /* log_fail_output */
1114 FALSE, /* log_defer_output */
1115 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1116 1 nor 0 so can detect unset */
1119 int transport_count;
1120 uschar **transport_filter_argv = NULL;
1121 int transport_filter_timeout;
1122 int transport_write_timeout= 0;
1124 tree_node *tree_dns_fails = NULL;
1125 tree_node *tree_duplicates = NULL;
1126 tree_node *tree_nonrecipients = NULL;
1127 tree_node *tree_unusable = NULL;
1129 BOOL trusted_caller = FALSE;
1130 gid_t *trusted_groups = NULL;
1131 uid_t *trusted_users = NULL;
1132 uschar *timezone_string = US TIMEZONE_DEFAULT;
1134 uschar *unknown_login = NULL;
1135 uschar *unknown_username = NULL;
1136 uschar *untrusted_set_sender = NULL;
1138 /* A regex for matching a "From_" line in an incoming message, in the form
1140 From ph10 Fri Jan 5 12:35 GMT 1996
1142 which the "mail" commands send to the MTA (undocumented, of course), or in
1145 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1147 which is apparently used by some UUCPs, despite it not being in RFC 976.
1148 Because of variations in time formats, just match up to the minutes. That
1149 should be sufficient. Examples have been seen of time fields like 12:1:03,
1150 so just require one digit for hours and minutes. The weekday is also absent
1153 uschar *uucp_from_pattern = US
1154 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1155 "(?:" /* Non-extracting bracket */
1156 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1157 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1158 ")" /* End alternation */
1159 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1161 uschar *uucp_from_sender = US"$1";
1163 uschar *warn_message_file = NULL;
1164 uschar *warnmsg_delay = NULL;
1165 uschar *warnmsg_recipients = NULL;
1166 BOOL write_rejectlog = TRUE;
1168 uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1169 uschar *version_date = US"?";
1170 uschar *version_cnumber = US"????";
1171 uschar *version_string = US"?";
1173 int warning_count = 0;
1175 /* End of globals.c */