1 /* $Cambridge: exim/src/src/globals.c,v 1.78 2007/08/23 11:01:49 ph10 Exp $ */
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
7 /* Copyright (c) University of Cambridge 1995 - 2007 */
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 { "client_condition", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, client_condition)) },
37 { "driver", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, driver_name)) },
39 { "public_name", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, public_name)) },
41 { "server_advertise_condition", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, advertise_condition))},
43 { "server_condition", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, server_condition)) },
45 { "server_debug_print", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, server_debug_string)) },
47 { "server_mail_auth_condition", opt_stringptr | opt_public,
48 (void *)(offsetof(auth_instance, mail_auth_condition)) },
49 { "server_set_id", opt_stringptr | opt_public,
50 (void *)(offsetof(auth_instance, set_id)) }
53 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
55 /* An empty host aliases list. */
57 uschar *no_aliases = NULL;
60 /* For comments on these variables, see globals.h. I'm too idle to
61 duplicate them here... */
64 uschar *opt_perl_startup = NULL;
65 BOOL opt_perl_at_start = FALSE;
66 BOOL opt_perl_started = FALSE;
70 tree_node *dlobj_anchor = NULL;
74 uschar *ibase_servers = NULL;
78 uschar *eldap_default_servers = NULL;
79 int eldap_version = -1;
83 uschar *mysql_servers = NULL;
87 uschar *oracle_servers = NULL;
91 uschar *pgsql_servers = NULL;
95 int sqlite_lock_timeout = 5;
98 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
99 BOOL move_frozen_messages = FALSE;
102 /* These variables are outside the #ifdef because it keeps the code less
103 cluttered in several places (e.g. during logging) if we can always refer to
104 them. Also, the tls_ variables are now always visible. */
106 BOOL tls_active = -1;
107 BOOL tls_certificate_verified = FALSE;
108 uschar *tls_cipher = NULL;
109 BOOL tls_on_connect = FALSE;
110 uschar *tls_on_connect_ports = NULL;
111 uschar *tls_peerdn = NULL;
114 uschar *gnutls_require_mac = NULL;
115 uschar *gnutls_require_kx = NULL;
116 uschar *gnutls_require_proto = NULL;
117 const pcre *regex_STARTTLS = NULL;
118 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
119 uschar *tls_certificate = NULL;
120 uschar *tls_crl = NULL;
121 uschar *tls_dhparam = NULL;
122 BOOL tls_offered = FALSE;
123 uschar *tls_privatekey = NULL;
124 BOOL tls_remember_esmtp = FALSE;
125 uschar *tls_require_ciphers = NULL;
126 uschar *tls_try_verify_hosts = NULL;
127 uschar *tls_verify_certificates= NULL;
128 uschar *tls_verify_hosts = NULL;
132 /* Input-reading functions for messages, so we can use special ones for
133 incoming TCP/IP. The defaults use stdin. We never need these for any
134 stand-alone tests. */
137 int (*receive_getc)(void) = stdin_getc;
138 int (*receive_ungetc)(int) = stdin_ungetc;
139 int (*receive_feof)(void) = stdin_feof;
140 int (*receive_ferror)(void) = stdin_ferror;
141 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
145 /* List of per-address expansion variables for clearing and saving/restoring
146 when verifying one address while routing/verifying another. We have to have
147 the size explicit, because it is referenced from more than one module. */
149 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
150 &deliver_address_data,
152 &deliver_domain_data,
153 &deliver_domain_orig,
154 &deliver_domain_parent,
156 &deliver_localpart_data,
157 &deliver_localpart_orig,
158 &deliver_localpart_parent,
159 &deliver_localpart_prefix,
160 &deliver_localpart_suffix,
161 (uschar **)(&deliver_recipients),
169 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
171 /* General global variables */
173 header_line *acl_added_headers = NULL;
174 tree_node *acl_anchor = NULL;
176 uschar *acl_not_smtp = NULL;
177 #ifdef WITH_CONTENT_SCAN
178 uschar *acl_not_smtp_mime = NULL;
180 uschar *acl_not_smtp_start = NULL;
182 uschar *acl_smtp_auth = NULL;
183 uschar *acl_smtp_connect = NULL;
184 uschar *acl_smtp_data = NULL;
185 uschar *acl_smtp_etrn = NULL;
186 uschar *acl_smtp_expn = NULL;
187 uschar *acl_smtp_helo = NULL;
188 uschar *acl_smtp_mail = NULL;
189 uschar *acl_smtp_mailauth = NULL;
190 #ifdef WITH_CONTENT_SCAN
191 uschar *acl_smtp_mime = NULL;
193 uschar *acl_smtp_notquit = NULL;
194 uschar *acl_smtp_predata = NULL;
195 uschar *acl_smtp_quit = NULL;
196 uschar *acl_smtp_rcpt = NULL;
197 uschar *acl_smtp_starttls = NULL;
198 uschar *acl_smtp_vrfy = NULL;
200 BOOL acl_temp_details = FALSE;
201 tree_node *acl_var_c = NULL;
202 tree_node *acl_var_m = NULL;
203 uschar *acl_verify_message = NULL;
204 string_item *acl_warn_logged = NULL;
206 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
207 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
209 uschar *acl_wherenames[] = { US"RCPT",
228 uschar *acl_wherecodes[] = { US"550", /* RCPT */
230 US"550", /* PREDATA */
233 US"0", /* not SMTP; not relevant */
235 US"550", /* connect */
238 US"550", /* HELO/EHLO */
239 US"0", /* MAILAUTH; not relevant */
240 US"0", /* not SMTP; not relevant */
241 US"0", /* NOTQUIT; not relevant */
242 US"0", /* QUIT; not relevant */
243 US"550", /* STARTTLS */
247 BOOL active_local_from_check = FALSE;
248 BOOL active_local_sender_retain = FALSE;
249 BOOL accept_8bitmime = FALSE;
250 address_item *addr_duplicate = NULL;
252 address_item address_defaults = {
257 NULL, /* start_router */
259 NULL, /* transport */
260 NULL, /* host_list */
261 NULL, /* host_used */
262 NULL, /* fallback_hosts */
267 NULL, /* cc_local_part */
268 NULL, /* lc_local_part */
269 NULL, /* local_part */
273 NULL, /* address_retry_key */
274 NULL, /* domain_retry_key */
275 NULL, /* current_dir */
278 NULL, /* user_message */
279 NULL, /* onetime_parent */
280 NULL, /* pipe_expandn */
281 NULL, /* return_filename */
282 NULL, /* self_hostname */
283 NULL, /* shadow_message */
288 (uid_t)(-1), /* uid */
289 (gid_t)(-1), /* gid */
291 { 0 }, /* domain_cache - any larger array should be zeroed */
292 { 0 }, /* localpart_cache - ditto */
295 ERRNO_UNKNOWNERROR, /* basic_errno */
297 -1, /* return_file */
298 SPECIAL_NONE, /* special_action */
299 DEFER, /* transport_return */
300 { /* fields that are propagated to children */
301 NULL, /* address_data */
302 NULL, /* domain_data */
303 NULL, /* localpart_data */
304 NULL, /* errors_address */
305 NULL, /* extra_headers */
306 NULL, /* remove_headers */
307 #ifdef EXPERIMENTAL_SRS
308 NULL, /* srs_sender */
313 uschar *address_file = NULL;
314 uschar *address_pipe = NULL;
315 BOOL address_test_mode = FALSE;
316 tree_node *addresslist_anchor = NULL;
317 int addresslist_count = 0;
318 gid_t *admin_groups = NULL;
319 BOOL admin_user = FALSE;
320 BOOL allow_auth_unadvertised= FALSE;
321 BOOL allow_domain_literals = FALSE;
322 BOOL allow_mx_to_ip = FALSE;
323 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
324 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
325 BOOL allow_utf8_domains = FALSE;
326 uschar *authenticated_id = NULL;
327 uschar *authenticated_sender = NULL;
328 BOOL authentication_failed = FALSE;
329 auth_instance *auths = NULL;
330 uschar *auth_advertise_hosts = US"*";
331 auth_instance auth_defaults = {
332 NULL, /* chain pointer */
335 NULL, /* private options block pointer */
336 NULL, /* driver_name */
337 NULL, /* advertise_condition */
338 NULL, /* client_condition */
339 NULL, /* public_name */
341 NULL, /* server_mail_auth_condition */
342 NULL, /* server_debug_string */
343 NULL, /* server_condition */
346 FALSE /* advertised */
349 uschar *auth_defer_msg = US"reason not recorded";
350 uschar *auth_defer_user_msg = US"";
351 uschar *auth_vars[AUTH_VARS];
353 #ifdef WITH_CONTENT_SCAN
354 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
357 BOOL background_daemon = TRUE;
360 uschar *base62_chars=
361 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
363 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
366 uschar *bi_command = NULL;
367 uschar *big_buffer = NULL;
368 int big_buffer_size = BIG_BUFFER_SIZE;
369 #ifdef EXPERIMENTAL_BRIGHTMAIL
370 uschar *bmi_alt_location = NULL;
371 uschar *bmi_base64_tracker_verdict = NULL;
372 uschar *bmi_base64_verdict = NULL;
373 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
376 uschar *bmi_verdicts = NULL;
378 int body_linecount = 0;
379 int body_zerocount = 0;
380 uschar *bounce_message_file = NULL;
381 uschar *bounce_message_text = NULL;
382 uschar *bounce_recipient = NULL;
383 BOOL bounce_return_body = TRUE;
384 BOOL bounce_return_message = TRUE;
385 int bounce_return_size_limit = 100*1024;
386 uschar *bounce_sender_authentication = NULL;
387 int bsmtp_transaction_linecount = 0;
389 int callout_cache_domain_positive_expire = 7*24*60*60;
390 int callout_cache_domain_negative_expire = 3*60*60;
391 int callout_cache_positive_expire = 24*60*60;
392 int callout_cache_negative_expire = 2*60*60;
393 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
394 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
395 int check_log_inodes = 0;
396 int check_log_space = 0;
397 BOOL check_rfc2047_length = TRUE;
398 int check_spool_inodes = 0;
399 int check_spool_space = 0;
400 int clmacro_count = 0;
401 uschar *clmacros[MAX_CLMACROS];
402 BOOL config_changed = FALSE;
403 FILE *config_file = NULL;
404 uschar *config_filename = NULL;
405 int config_lineno = 0;
406 #ifdef CONFIGURE_GROUP
407 gid_t config_gid = CONFIGURE_GROUP;
409 uschar *config_main_filelist = US CONFIGURE_FILE
410 "\0<-----------Space to patch configure_filename->";
411 uschar *config_main_filename = NULL;
413 #ifdef CONFIGURE_OWNER
414 uid_t config_uid = CONFIGURE_OWNER;
417 int connection_max_messages= -1;
418 uschar *continue_hostname = NULL;
419 uschar *continue_host_address = NULL;
420 BOOL continue_more = FALSE;
421 int continue_sequence = 1;
422 uschar *continue_transport = NULL;
424 uschar *csa_status = NULL;
426 BOOL daemon_listen = FALSE;
427 uschar *daemon_smtp_port = US"smtp";
428 int daemon_startup_retries = 9;
429 int daemon_startup_sleep = 30;
430 BOOL debug_daemon = FALSE;
432 FILE *debug_file = NULL;
433 bit_table debug_options[] = {
436 { US"auth", D_auth },
437 { US"deliver", D_deliver },
439 { US"dnsbl", D_dnsbl },
440 { US"exec", D_exec },
441 { US"expand", D_expand },
442 { US"filter", D_filter },
443 { US"hints_lookup", D_hints_lookup },
444 { US"host_lookup", D_host_lookup },
445 { US"ident", D_ident },
446 { US"interface", D_interface },
447 { US"lists", D_lists },
448 { US"load", D_load },
449 { US"local_scan", D_local_scan },
450 { US"lookup", D_lookup },
451 { US"memory", D_memory },
453 { US"process_info", D_process_info },
454 { US"queue_run", D_queue_run },
455 { US"receive", D_receive },
456 { US"resolver", D_resolver },
457 { US"retry", D_retry },
458 { US"rewrite", D_rewrite },
459 { US"route", D_route },
460 { US"timestamp", D_timestamp },
462 { US"transport", D_transport },
464 { US"verify", D_verify }
466 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
467 unsigned int debug_selector = 0;
468 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
469 uschar *delay_warning_condition=
471 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
472 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
473 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
475 BOOL delivery_date_remove = TRUE;
476 uschar *deliver_address_data = NULL;
477 int deliver_datafile = -1;
478 uschar *deliver_domain = NULL;
479 uschar *deliver_domain_data = NULL;
480 uschar *deliver_domain_orig = NULL;
481 uschar *deliver_domain_parent = NULL;
482 BOOL deliver_drop_privilege = FALSE;
483 BOOL deliver_firsttime = FALSE;
484 BOOL deliver_force = FALSE;
485 BOOL deliver_freeze = FALSE;
486 int deliver_frozen_at = 0;
487 uschar *deliver_home = NULL;
488 uschar *deliver_host = NULL;
489 uschar *deliver_host_address = NULL;
490 uschar *deliver_in_buffer = NULL;
491 ino_t deliver_inode = 0;
492 uschar *deliver_localpart = NULL;
493 uschar *deliver_localpart_data = NULL;
494 uschar *deliver_localpart_orig = NULL;
495 uschar *deliver_localpart_parent = NULL;
496 uschar *deliver_localpart_prefix = NULL;
497 uschar *deliver_localpart_suffix = NULL;
498 BOOL deliver_force_thaw = FALSE;
499 BOOL deliver_manual_thaw = FALSE;
500 uschar *deliver_out_buffer = NULL;
501 int deliver_queue_load_max = -1;
502 address_item *deliver_recipients = NULL;
503 uschar *deliver_selectstring = NULL;
504 BOOL deliver_selectstring_regex = FALSE;
505 uschar *deliver_selectstring_sender = NULL;
506 BOOL deliver_selectstring_sender_regex = FALSE;
507 #ifdef WITH_OLD_DEMIME
508 int demime_errorlevel = 0;
510 uschar *demime_reason = NULL;
512 BOOL disable_callout_flush = FALSE;
513 BOOL disable_delay_flush = FALSE;
514 #ifdef ENABLE_DISABLE_FSYNC
515 BOOL disable_fsync = FALSE;
517 BOOL disable_ipv6 = FALSE;
518 BOOL disable_logging = FALSE;
520 #ifdef EXPERIMENTAL_DOMAINKEYS
521 uschar *dk_signing_domain = NULL;
522 uschar *dk_signing_selector = NULL;
523 int dk_do_verify = 0;
526 uschar *dns_again_means_nonexist = NULL;
527 int dns_csa_search_limit = 5;
528 BOOL dns_csa_use_reverse = TRUE;
529 uschar *dns_ipv4_lookup = NULL;
532 uschar *dnslist_domain = NULL;
533 uschar *dnslist_matched = NULL;
534 uschar *dnslist_text = NULL;
535 uschar *dnslist_value = NULL;
536 tree_node *domainlist_anchor = NULL;
537 int domainlist_count = 0;
538 BOOL dont_deliver = FALSE;
539 BOOL dot_ends = TRUE;
540 BOOL drop_cr = FALSE; /* No longer used */
541 uschar *dsn_from = US DEFAULT_DSN_FROM;
543 BOOL enable_dollar_recipients = FALSE;
544 BOOL envelope_to_remove = TRUE;
545 int errno_quota = ERRNO_QUOTA;
546 uschar *errors_copy = NULL;
547 int error_handling = ERRORS_SENDER;
548 uschar *errors_reply_to = NULL;
549 int errors_sender_rc = EXIT_FAILURE;
551 gid_t exim_gid = EXIM_GID;
552 BOOL exim_gid_set = TRUE; /* This gid is always set */
553 uschar *exim_path = US BIN_DIRECTORY "/exim"
554 "\0<---------------Space to patch exim_path->";
555 uid_t exim_uid = EXIM_UID;
556 BOOL exim_uid_set = TRUE; /* This uid is always set */
557 int expand_forbid = 0;
558 int expand_nlength[EXPAND_MAXN+1];
559 int expand_nmax = -1;
560 uschar *expand_nstring[EXPAND_MAXN+1];
561 BOOL expand_string_forcedfail = FALSE;
562 uschar *expand_string_message;
563 BOOL extract_addresses_remove_arguments = TRUE;
564 uschar *extra_local_interfaces = NULL;
566 int fake_response = OK;
567 uschar *fake_response_text = US"Your message has been rejected but is "
568 "being kept for evaluation.\nIf it was a "
569 "legitimate message, it may still be "
570 "delivered to the target recipient(s).";
571 int filter_n[FILTER_VARIABLE_COUNT];
572 BOOL filter_running = FALSE;
573 int filter_sn[FILTER_VARIABLE_COUNT];
574 int filter_test = FTEST_NONE;
575 uschar *filter_test_sfile = NULL;
576 uschar *filter_test_ufile = NULL;
577 uschar *filter_thisaddress = NULL;
578 int finduser_retries = 0;
579 #ifdef WITH_OLD_DEMIME
580 uschar *found_extension = NULL;
582 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
583 uschar *freeze_tell = NULL;
584 uschar *freeze_tell_config = NULL;
585 uschar *fudged_queue_times = US"";
587 uschar *gecos_name = NULL;
588 uschar *gecos_pattern = NULL;
589 rewrite_rule *global_rewrite_rules = NULL;
591 uschar *headers_charset = US HEADERS_CHARSET;
592 int header_insert_maxlen = 64 * 1024;
593 header_line *header_last = NULL;
594 header_line *header_list = NULL;
595 int header_maxsize = HEADER_MAXSIZE;
596 int header_line_maxsize = 0;
598 header_name header_names[] = {
599 { US"bcc", 3, TRUE, htype_bcc },
600 { US"cc", 2, TRUE, htype_cc },
601 { US"date", 4, TRUE, htype_date },
602 { US"delivery-date", 13, FALSE, htype_delivery_date },
603 { US"envelope-to", 11, FALSE, htype_envelope_to },
604 { US"from", 4, TRUE, htype_from },
605 { US"message-id", 10, TRUE, htype_id },
606 { US"received", 8, FALSE, htype_received },
607 { US"reply-to", 8, FALSE, htype_reply_to },
608 { US"return-path", 11, FALSE, htype_return_path },
609 { US"sender", 6, TRUE, htype_sender },
610 { US"subject", 7, FALSE, htype_subject },
611 { US"to", 2, TRUE, htype_to }
614 int header_names_size = sizeof(header_names)/sizeof(header_name);
616 BOOL header_rewritten = FALSE;
617 uschar *helo_accept_junk_hosts = NULL;
618 uschar *helo_allow_chars = US"";
619 uschar *helo_lookup_domains = US"@ : @[]";
620 uschar *helo_try_verify_hosts = NULL;
621 BOOL helo_verified = FALSE;
622 BOOL helo_verify_failed = FALSE;
623 uschar *helo_verify_hosts = NULL;
624 uschar *hex_digits = US"0123456789abcdef";
625 uschar *hold_domains = NULL;
626 BOOL host_checking = FALSE;
627 BOOL host_checking_callout = FALSE;
628 uschar *host_data = NULL;
629 BOOL host_find_failed_syntax= FALSE;
630 uschar *host_lookup = NULL;
631 BOOL host_lookup_deferred = FALSE;
632 BOOL host_lookup_failed = FALSE;
633 uschar *host_lookup_order = US"bydns:byaddr";
634 uschar *host_lookup_msg = US"";
636 uschar *host_number_string = NULL;
637 uschar *host_reject_connection = NULL;
638 tree_node *hostlist_anchor = NULL;
639 int hostlist_count = 0;
640 uschar *hosts_treat_as_local = NULL;
641 uschar *hosts_connection_nolog = NULL;
643 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
644 BOOL ignore_fromline_local = FALSE;
645 uschar *ignore_fromline_hosts = NULL;
646 uschar *interface_address = NULL;
647 int interface_port = -1;
648 BOOL is_inetd = FALSE;
649 uschar *iterate_item = NULL;
653 int keep_malformed = 4*24*60*60; /* 4 days */
655 uschar *eldap_dn = NULL;
656 int load_average = -2;
657 BOOL local_error_message = FALSE;
658 BOOL local_from_check = TRUE;
659 uschar *local_from_prefix = NULL;
660 uschar *local_from_suffix = NULL;
663 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
665 uschar *local_interfaces = US"0.0.0.0";
668 uschar *local_scan_data = NULL;
669 int local_scan_timeout = 5*60;
670 BOOL local_sender_retain = FALSE;
671 gid_t local_user_gid = (gid_t)(-1);
672 uid_t local_user_uid = (uid_t)(-1);
674 tree_node *localpartlist_anchor= NULL;
675 int localpartlist_count = 0;
676 uschar *log_buffer = NULL;
677 unsigned int log_extra_selector = LX_default;
678 uschar *log_file_path = US LOG_FILE_PATH
679 "\0<--------------Space to patch log_file_path->";
681 /* Those log options with L_xxx identifiers have values less than 0x800000 and
682 are the ones that get put into log_write_selector. They can be used in calls to
683 log_write() to test for the bit. The options with LX_xxx identifiers have
684 values greater than 0x80000000 and are put int log_extra_selector (without the
685 top bit). They are never used in calls to log_write(), but are tested
686 independently. This separation became necessary when the number of log
687 selectors was getting close to filling a 32-bit word. */
689 /* Note that this list must be in alphabetical order. */
691 bit_table log_options[] = {
692 { US"acl_warn_skipped", LX_acl_warn_skipped },
693 { US"address_rewrite", L_address_rewrite },
695 { US"all_parents", L_all_parents },
696 { US"arguments", LX_arguments },
697 { US"connection_reject", L_connection_reject },
698 { US"delay_delivery", L_delay_delivery },
699 { US"deliver_time", LX_deliver_time },
700 { US"delivery_size", LX_delivery_size },
701 { US"dnslist_defer", L_dnslist_defer },
702 { US"etrn", L_etrn },
703 { US"host_lookup_failed", L_host_lookup_failed },
704 { US"ident_timeout", LX_ident_timeout },
705 { US"incoming_interface", LX_incoming_interface },
706 { US"incoming_port", LX_incoming_port },
707 { US"lost_incoming_connection", L_lost_incoming_connection },
708 { US"outgoing_port", LX_outgoing_port },
710 { US"queue_run", L_queue_run },
711 { US"queue_time", LX_queue_time },
712 { US"queue_time_overall", LX_queue_time_overall },
713 { US"received_recipients", LX_received_recipients },
714 { US"received_sender", LX_received_sender },
715 { US"rejected_header", LX_rejected_header },
716 { US"rejected_headers", LX_rejected_header },
717 { US"retry_defer", L_retry_defer },
718 { US"return_path_on_delivery", LX_return_path_on_delivery },
719 { US"sender_on_delivery", LX_sender_on_delivery },
720 { US"sender_verify_fail", LX_sender_verify_fail },
721 { US"size_reject", L_size_reject },
722 { US"skip_delivery", L_skip_delivery },
723 { US"smtp_confirmation", LX_smtp_confirmation },
724 { US"smtp_connection", L_smtp_connection },
725 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
726 { US"smtp_no_mail", LX_smtp_no_mail },
727 { US"smtp_protocol_error", L_smtp_protocol_error },
728 { US"smtp_syntax_error", L_smtp_syntax_error },
729 { US"subject", LX_subject },
730 { US"tls_certificate_verified", LX_tls_certificate_verified },
731 { US"tls_cipher", LX_tls_cipher },
732 { US"tls_peerdn", LX_tls_peerdn },
733 { US"unknown_in_list", LX_unknown_in_list }
736 int log_options_count = sizeof(log_options)/sizeof(bit_table);
737 int log_reject_target = 0;
738 uschar *log_selector_string = NULL;
739 FILE *log_stderr = NULL;
740 BOOL log_testing_mode = FALSE;
741 BOOL log_timezone = FALSE;
742 unsigned int log_write_selector= L_default;
743 uschar *login_sender_address = NULL;
744 int lookup_open_max = 25;
745 uschar *lookup_value = NULL;
747 macro_item *macros = NULL;
748 uschar *mailstore_basename = NULL;
749 #ifdef WITH_CONTENT_SCAN
750 uschar *malware_name = NULL; /* Virus Name */
752 int max_received_linelength= 0;
753 int max_username_length = 0;
755 uschar *message_body = NULL;
756 uschar *message_body_end = NULL;
757 BOOL message_body_newlines = FALSE;
758 int message_body_size = 0;
759 int message_body_visible = 500;
760 int message_ended = END_NOTSTARTED;
761 uschar *message_headers = NULL;
763 uschar *message_id_domain = NULL;
764 uschar *message_id_text = NULL;
765 struct timeval message_id_tv = { 0, 0 };
766 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
767 uschar *message_id_external;
768 int message_linecount = 0;
769 BOOL message_logs = TRUE;
770 int message_size = 0;
771 uschar *message_size_limit = US"50M";
772 uschar message_subdir[2] = { 0, 0 };
773 uschar *message_reference = NULL;
775 /* MIME ACL expandables */
776 #ifdef WITH_CONTENT_SCAN
777 int mime_anomaly_level = 0;
778 uschar *mime_anomaly_text = NULL;
779 uschar *mime_boundary = NULL;
780 uschar *mime_charset = NULL;
781 uschar *mime_content_description = NULL;
782 uschar *mime_content_disposition = NULL;
783 uschar *mime_content_id = NULL;
784 unsigned int mime_content_size = 0;
785 uschar *mime_content_transfer_encoding = NULL;
786 uschar *mime_content_type = NULL;
787 uschar *mime_decoded_filename = NULL;
788 uschar *mime_filename = NULL;
789 int mime_is_multipart = 0;
790 int mime_is_coverletter = 0;
791 int mime_is_rfc822 = 0;
792 int mime_part_count = -1;
795 BOOL mua_wrapper = FALSE;
797 uid_t *never_users = NULL;
798 #ifdef WITH_CONTENT_SCAN
799 BOOL no_mbox_unspool = FALSE;
801 BOOL no_multiline_responses = FALSE;
804 gid_t originator_gid;
805 uschar *originator_login = NULL;
806 uschar *originator_name = NULL;
807 uid_t originator_uid;
808 uschar *override_local_interfaces = NULL;
809 uschar *override_pid_file_path = NULL;
811 BOOL parse_allow_group = FALSE;
812 BOOL parse_found_group = FALSE;
813 uschar *percent_hack_domains = NULL;
814 uschar *pid_file_path = US PID_FILE_PATH
815 "\0<--------------Space to patch pid_file_path->";
816 BOOL pipelining_enable = TRUE;
817 uschar *pipelining_advertise_hosts = US"*";
818 BOOL preserve_message_logs = FALSE;
819 uschar *primary_hostname = NULL;
820 BOOL print_topbitchars = FALSE;
821 uschar process_info[PROCESS_INFO_SIZE];
822 uschar *process_log_path = NULL;
823 BOOL prod_requires_admin = TRUE;
824 uschar *prvscheck_address = NULL;
825 uschar *prvscheck_keynum = NULL;
826 uschar *prvscheck_result = NULL;
829 uschar *qualify_domain_recipient = NULL;
830 uschar *qualify_domain_sender = NULL;
831 BOOL queue_2stage = FALSE;
832 uschar *queue_domains = NULL;
833 int queue_interval = -1;
834 BOOL queue_list_requires_admin = TRUE;
835 BOOL queue_only = FALSE;
836 uschar *queue_only_file = NULL;
837 int queue_only_load = -1;
838 BOOL queue_only_load_latch = TRUE;
839 BOOL queue_only_override = TRUE;
840 BOOL queue_only_policy = FALSE;
841 BOOL queue_run_first_delivery = FALSE;
842 BOOL queue_run_force = FALSE;
843 BOOL queue_run_in_order = FALSE;
844 BOOL queue_run_local = FALSE;
845 int queue_run_max = 5;
846 pid_t queue_run_pid = (pid_t)0;
847 int queue_run_pipe = -1;
848 BOOL queue_running = FALSE;
849 BOOL queue_smtp = FALSE;
850 uschar *queue_smtp_domains = NULL;
852 unsigned int random_seed = 0;
853 tree_node *ratelimiters_cmd = NULL;
854 tree_node *ratelimiters_conn = NULL;
855 tree_node *ratelimiters_mail = NULL;
856 uschar *raw_active_hostname = NULL;
857 uschar *raw_sender = NULL;
858 uschar **raw_recipients = NULL;
859 int raw_recipients_count = 0;
862 int rcpt_fail_count = 0;
863 int rcpt_defer_count = 0;
866 BOOL really_exim = TRUE;
867 BOOL receive_call_bombout = FALSE;
868 int receive_linecount = 0;
869 int receive_messagecount = 0;
870 int receive_timeout = 0;
871 int received_count = 0;
872 uschar *received_for = NULL;
874 /* This is the default text for Received headers generated by Exim. The
875 date will be automatically added on the end. */
877 uschar *received_header_text = US
879 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
880 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
881 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
882 "by $primary_hostname "
883 "${if def:received_protocol {with $received_protocol}} "
885 "${if def:tls_cipher {($tls_cipher)\n\t}}"
887 "(Exim $version_number)\n\t"
888 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
889 "id $message_exim_id"
890 "${if def:received_for {\n\tfor $received_for}}"
891 "\0<---------------Space to patch received_header_text->";
893 int received_headers_max = 30;
894 uschar *received_protocol = NULL;
895 int received_time = 0;
896 uschar *recipient_data = NULL;
897 uschar *recipient_unqualified_hosts = NULL;
898 uschar *recipient_verify_failure = NULL;
899 int recipients_count = 0;
900 BOOL recipients_discarded = FALSE;
901 recipient_item *recipients_list = NULL;
902 int recipients_list_max = 0;
903 int recipients_max = 0;
904 BOOL recipients_max_reject = FALSE;
905 const pcre *regex_AUTH = NULL;
906 const pcre *regex_check_dns_names = NULL;
907 const pcre *regex_From = NULL;
908 const pcre *regex_IGNOREQUOTA = NULL;
909 const pcre *regex_PIPELINING = NULL;
910 const pcre *regex_SIZE = NULL;
911 const pcre *regex_smtp_code = NULL;
912 const pcre *regex_ismsgid = NULL;
913 #ifdef WITH_CONTENT_SCAN
914 uschar *regex_match_string = NULL;
916 int remote_delivery_count = 0;
917 int remote_max_parallel = 2;
918 uschar *remote_sort_domains = NULL;
919 int retry_data_expire = 7*24*60*60;
920 int retry_interval_max = 24*60*60;
921 int retry_maximum_timeout = 0; /* set from retry config */
922 retry_config *retries = NULL;
923 uschar *return_path = NULL;
924 BOOL return_path_remove = TRUE;
925 int rewrite_existflags = 0;
926 uschar *rfc1413_hosts = US"*";
927 int rfc1413_query_timeout = 5;
928 /* BOOL rfc821_domains = FALSE; <<< on the way out */
929 uid_t root_uid = ROOT_UID;
931 router_instance *routers = NULL;
932 router_instance router_defaults = {
933 NULL, /* chain pointer */
936 NULL, /* private options block pointer */
937 NULL, /* driver name */
939 NULL, /* address_data */
940 #ifdef EXPERIMENTAL_BRIGHTMAIL
943 NULL, /* cannot_route_message */
944 NULL, /* condition */
945 NULL, /* current_directory */
946 NULL, /* debug_string */
948 NULL, /* errors_to */
949 NULL, /* expand_gid */
950 NULL, /* expand_uid */
951 NULL, /* expand_more */
952 NULL, /* expand_unseen */
953 NULL, /* extra_headers */
954 NULL, /* fallback_hosts */
955 NULL, /* home_directory */
956 NULL, /* ignore_target_hosts */
957 NULL, /* local_parts */
958 NULL, /* pass_router_name */
960 NULL, /* redirect_router_name */
961 NULL, /* remove_headers */
962 NULL, /* require_files */
963 NULL, /* router_home_directory */
964 US"freeze", /* self */
967 NULL, /* translate_ip_address */
968 NULL, /* transport_name */
970 TRUE, /* address_test */
971 #ifdef EXPERIMENTAL_BRIGHTMAIL
972 FALSE, /* bmi_deliver_alternate */
973 FALSE, /* bmi_deliver_default */
974 FALSE, /* bmi_dont_deliver */
977 FALSE, /* caseful_local_part */
978 FALSE, /* check_local_user */
979 FALSE, /* disable_logging */
980 FALSE, /* fail_verify_recipient */
981 FALSE, /* fail_verify_sender */
983 FALSE, /* initgroups */
984 TRUE_UNSET, /* log_as_local */
986 FALSE, /* pass_on_timeout */
987 FALSE, /* prefix_optional */
988 TRUE, /* repeat_use */
989 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
990 FALSE, /* same_domain_copy_routing */
991 FALSE, /* self_rewrite */
992 FALSE, /* suffix_optional */
993 FALSE, /* verify_only */
994 TRUE, /* verify_recipient */
995 TRUE, /* verify_sender */
999 self_freeze, /* self_code */
1000 (uid_t)(-1), /* uid */
1001 (gid_t)(-1), /* gid */
1003 NULL, /* fallback_hostlist */
1004 NULL, /* transport instance */
1005 NULL, /* pass_router */
1006 NULL /* redirect_router */
1009 ip_address_item *running_interfaces = NULL;
1010 BOOL running_in_test_harness = FALSE;
1012 /* This is a weird one. The following string gets patched in the binary by the
1013 script that sets up a copy of Exim for running in the test harness. It seems
1014 that compilers are now clever, and share constant strings if they can.
1015 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1016 make use of the end of this string in order to save space. So the patching then
1017 wrecks this. We defeat this optimization by adding some additional characters
1018 onto the end of the string. */
1020 uschar *running_status = US">>>running<<<" "\0EXTRA";
1024 uschar *search_error_message = NULL;
1025 BOOL search_find_defer = FALSE;
1026 uschar *self_hostname = NULL;
1027 uschar *sender_address = NULL;
1028 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1029 uschar *sender_address_data = NULL;
1030 BOOL sender_address_forced = FALSE;
1031 uschar *sender_address_unrewritten = NULL;
1032 uschar *sender_data = NULL;
1033 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1034 uschar *sender_fullhost = NULL;
1035 uschar *sender_helo_name = NULL;
1036 uschar **sender_host_aliases = &no_aliases;
1037 uschar *sender_host_address = NULL;
1038 uschar *sender_host_authenticated = NULL;
1039 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1040 uschar *sender_host_name = NULL;
1041 int sender_host_port = 0;
1042 BOOL sender_host_notsocket = FALSE;
1043 BOOL sender_host_unknown = FALSE;
1044 uschar *sender_ident = NULL;
1045 BOOL sender_local = FALSE;
1046 BOOL sender_name_forced = FALSE;
1047 uschar *sender_rate = NULL;
1048 uschar *sender_rate_limit = NULL;
1049 uschar *sender_rate_period = NULL;
1050 uschar *sender_rcvhost = NULL;
1051 BOOL sender_set_untrusted = FALSE;
1052 uschar *sender_unqualified_hosts = NULL;
1053 uschar *sender_verify_failure = NULL;
1054 address_item *sender_verified_list = NULL;
1055 address_item *sender_verified_failed = NULL;
1056 int sender_verified_rc = -1;
1057 BOOL sender_verified_responded = FALSE;
1058 uschar *sending_ip_address = NULL;
1059 int sending_port = -1;
1060 volatile BOOL sigalrm_seen = FALSE;
1061 uschar **sighup_argv = NULL;
1062 int smtp_accept_count = 0;
1063 BOOL smtp_accept_keepalive = TRUE;
1064 int smtp_accept_max = 20;
1065 int smtp_accept_max_nonmail= 10;
1066 uschar *smtp_accept_max_nonmail_hosts = US"*";
1067 int smtp_accept_max_per_connection = 1000;
1068 uschar *smtp_accept_max_per_host = NULL;
1069 int smtp_accept_queue = 0;
1070 int smtp_accept_queue_per_connection = 10;
1071 int smtp_accept_reserve = 0;
1072 uschar *smtp_active_hostname = NULL;
1073 BOOL smtp_authenticated = FALSE;
1074 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1075 "Exim $version_number $tod_full"
1076 "\0<---------------Space to patch smtp_banner->";
1077 BOOL smtp_batched_input = FALSE;
1078 BOOL smtp_check_spool_space = TRUE;
1079 int smtp_ch_index = 0;
1080 uschar *smtp_cmd_argument = NULL;
1081 uschar *smtp_cmd_buffer = NULL;
1082 time_t smtp_connection_start = 0;
1083 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1084 int smtp_connect_backlog = 20;
1085 double smtp_delay_mail = 0.0;
1086 double smtp_delay_rcpt = 0.0;
1087 BOOL smtp_enforce_sync = TRUE;
1088 FILE *smtp_in = NULL;
1089 BOOL smtp_input = FALSE;
1090 int smtp_load_reserve = -1;
1091 int smtp_mailcmd_count = 0;
1092 FILE *smtp_out = NULL;
1093 uschar *smtp_etrn_command = NULL;
1094 BOOL smtp_etrn_serialize = TRUE;
1095 int smtp_max_synprot_errors= 3;
1096 int smtp_max_unknown_commands = 3;
1097 uschar *smtp_notquit_reason = NULL;
1098 uschar *smtp_ratelimit_hosts = NULL;
1099 uschar *smtp_ratelimit_mail = NULL;
1100 uschar *smtp_ratelimit_rcpt = NULL;
1101 uschar *smtp_read_error = US"";
1102 int smtp_receive_timeout = 5*60;
1103 uschar *smtp_reserve_hosts = NULL;
1104 BOOL smtp_return_error_details = FALSE;
1105 int smtp_rlm_base = 0;
1106 double smtp_rlm_factor = 0.0;
1107 int smtp_rlm_limit = 0;
1108 int smtp_rlm_threshold = INT_MAX;
1109 int smtp_rlr_base = 0;
1110 double smtp_rlr_factor = 0.0;
1111 int smtp_rlr_limit = 0;
1112 int smtp_rlr_threshold = INT_MAX;
1113 BOOL smtp_use_pipelining = FALSE;
1114 BOOL smtp_use_size = FALSE;
1116 #ifdef WITH_CONTENT_SCAN
1117 uschar *spamd_address = US"127.0.0.1 783";
1118 uschar *spam_bar = NULL;
1119 uschar *spam_report = NULL;
1120 uschar *spam_score = NULL;
1121 uschar *spam_score_int = NULL;
1123 #ifdef EXPERIMENTAL_SPF
1124 uschar *spf_header_comment = NULL;
1125 uschar *spf_received = NULL;
1126 uschar *spf_result = NULL;
1127 uschar *spf_smtp_comment = NULL;
1130 BOOL split_spool_directory = FALSE;
1131 uschar *spool_directory = US SPOOL_DIRECTORY
1132 "\0<--------------Space to patch spool_directory->";
1133 #ifdef EXPERIMENTAL_SRS
1134 uschar *srs_config = NULL;
1135 uschar *srs_db_address = NULL;
1136 uschar *srs_db_key = NULL;
1137 int srs_hashlength = 6;
1138 int srs_hashmin = -1;
1139 int srs_maxage = 31;
1140 uschar *srs_orig_recipient = NULL;
1141 uschar *srs_orig_sender = NULL;
1142 uschar *srs_recipient = NULL;
1143 uschar *srs_secrets = NULL;
1144 uschar *srs_status = NULL;
1145 BOOL srs_usehash = TRUE;
1146 BOOL srs_usetimestamp = TRUE;
1148 BOOL strict_acl_vars = FALSE;
1149 int string_datestamp_offset= -1;
1150 BOOL strip_excess_angle_brackets = FALSE;
1151 BOOL strip_trailing_dot = FALSE;
1152 uschar *submission_domain = NULL;
1153 BOOL submission_mode = FALSE;
1154 uschar *submission_name = NULL;
1155 BOOL suppress_local_fixups = FALSE;
1156 BOOL synchronous_delivery = FALSE;
1157 BOOL syslog_duplication = TRUE;
1158 int syslog_facility = LOG_MAIL;
1159 uschar *syslog_processname = US"exim";
1160 BOOL syslog_timestamp = TRUE;
1161 uschar *system_filter = NULL;
1163 uschar *system_filter_directory_transport = NULL;
1164 uschar *system_filter_file_transport = NULL;
1165 uschar *system_filter_pipe_transport = NULL;
1166 uschar *system_filter_reply_transport = NULL;
1168 gid_t system_filter_gid = 0;
1169 BOOL system_filter_gid_set = FALSE;
1170 uid_t system_filter_uid = 0;
1171 BOOL system_filter_uid_set = FALSE;
1172 BOOL system_filtering = FALSE;
1174 BOOL tcp_nodelay = TRUE;
1175 int test_harness_load_avg = 0;
1176 int thismessage_size_limit = 0;
1177 int timeout_frozen_after = 0;
1178 BOOL timestamps_utc = FALSE;
1180 transport_instance *transports = NULL;
1182 transport_instance transport_defaults = {
1183 NULL, /* chain pointer */
1186 NULL, /* private options block pointer */
1187 NULL, /* driver name */
1188 NULL, /* setup entry point */
1190 NULL, /* batch_id */
1191 NULL, /* home_dir */
1192 NULL, /* current_dir */
1193 TRUE, /* multi-domain */
1194 FALSE, /* overrides_hosts */
1195 100, /* max_addresses */
1196 500, /* connection_max_messages */
1197 FALSE, /* deliver_as_creator */
1198 FALSE, /* disable_logging */
1199 FALSE, /* initgroups */
1200 FALSE, /* uid_set */
1201 FALSE, /* gid_set */
1202 (uid_t)(-1), /* uid */
1203 (gid_t)(-1), /* gid */
1204 NULL, /* expand_uid */
1205 NULL, /* expand_gid */
1206 NULL, /* warn_message */
1208 NULL, /* shadow_condition */
1209 NULL, /* filter_command */
1210 NULL, /* add_headers */
1211 NULL, /* remove_headers */
1212 NULL, /* return_path */
1213 NULL, /* debug_string */
1214 NULL, /* message_size_limit */
1215 NULL, /* headers_rewrite */
1216 NULL, /* rewrite_rules */
1217 0, /* rewrite_existflags */
1218 300, /* filter_timeout */
1219 FALSE, /* body_only */
1220 FALSE, /* delivery_date_add */
1221 FALSE, /* envelope_to_add */
1222 FALSE, /* headers_only */
1223 FALSE, /* rcpt_include_affixes */
1224 FALSE, /* return_path_add */
1225 FALSE, /* return_output */
1226 FALSE, /* return_fail_output */
1227 FALSE, /* log_output */
1228 FALSE, /* log_fail_output */
1229 FALSE, /* log_defer_output */
1230 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1231 1 nor 0 so can detect unset */
1234 int transport_count;
1235 uschar **transport_filter_argv = NULL;
1236 int transport_filter_timeout;
1237 BOOL transport_filter_timed_out = FALSE;
1238 int transport_write_timeout= 0;
1240 tree_node *tree_dns_fails = NULL;
1241 tree_node *tree_duplicates = NULL;
1242 tree_node *tree_nonrecipients = NULL;
1243 tree_node *tree_unusable = NULL;
1245 BOOL trusted_caller = FALSE;
1246 gid_t *trusted_groups = NULL;
1247 uid_t *trusted_users = NULL;
1248 uschar *timezone_string = US TIMEZONE_DEFAULT;
1250 uschar *unknown_login = NULL;
1251 uschar *unknown_username = NULL;
1252 uschar *untrusted_set_sender = NULL;
1254 /* A regex for matching a "From_" line in an incoming message, in the form
1256 From ph10 Fri Jan 5 12:35 GMT 1996
1258 which the "mail" commands send to the MTA (undocumented, of course), or in
1261 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1263 which is apparently used by some UUCPs, despite it not being in RFC 976.
1264 Because of variations in time formats, just match up to the minutes. That
1265 should be sufficient. Examples have been seen of time fields like 12:1:03,
1266 so just require one digit for hours and minutes. The weekday is also absent
1269 uschar *uucp_from_pattern = US
1270 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1271 "(?:" /* Non-extracting bracket */
1272 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1273 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1274 ")" /* End alternation */
1275 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1277 uschar *uucp_from_sender = US"$1";
1279 uschar *warn_message_file = NULL;
1280 uschar *warnmsg_delay = NULL;
1281 uschar *warnmsg_recipients = NULL;
1282 BOOL write_rejectlog = TRUE;
1284 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1285 uschar *version_date = US"?";
1286 uschar *version_cnumber = US"????";
1287 uschar *version_string = US"?";
1289 int warning_count = 0;
1291 /* End of globals.c */
git://git.exim.org / exim.git / blob