1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2016 */
6 /* See the file NOTICE for conditions of use and distribution. */
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
40 /* An empty host aliases list. */
42 uschar *no_aliases = NULL;
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 BOOL opt_perl_taintmode = FALSE;
56 tree_node *dlobj_anchor = NULL;
60 uschar *ibase_servers = NULL;
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
76 uschar *mysql_servers = NULL;
80 uschar *oracle_servers = NULL;
84 uschar *pgsql_servers = NULL;
88 uschar *redis_servers = NULL;
92 int sqlite_lock_timeout = 5;
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. */
103 tls_support tls_in = {
106 FALSE,/* tls_certificate_verified */
107 #ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
120 tls_support tls_out = {
123 FALSE,/* tls_certificate_verified */
124 #ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
138 uschar *dsn_envid = NULL;
140 const pcre *regex_DSN = NULL;
141 BOOL smtp_use_dsn = FALSE;
142 uschar *dsn_advertise_hosts = NULL;
145 BOOL gnutls_compat_mode = FALSE;
146 BOOL gnutls_allow_auto_pkcs11 = FALSE;
147 uschar *openssl_options = NULL;
148 const pcre *regex_STARTTLS = NULL;
149 uschar *tls_advertise_hosts = US"*";
150 uschar *tls_certificate = NULL;
151 uschar *tls_crl = NULL;
152 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153 that's the interop problem which has been observed: GnuTLS suggesting a higher
154 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155 int tls_dh_max_bits = 2236;
156 uschar *tls_dhparam = NULL;
157 uschar *tls_eccurve = US"prime256v1";
158 # ifndef DISABLE_OCSP
159 uschar *tls_ocsp_file = NULL;
161 BOOL tls_offered = FALSE;
162 uschar *tls_privatekey = NULL;
163 BOOL tls_remember_esmtp = FALSE;
164 uschar *tls_require_ciphers = NULL;
165 uschar *tls_try_verify_hosts = NULL;
166 uschar *tls_verify_certificates= US"system";
167 uschar *tls_verify_hosts = NULL;
168 #else /*!SUPPORT_TLS*/
169 uschar *tls_advertise_hosts = NULL;
173 /* Per Recipient Data Response variables */
174 BOOL prdr_enable = FALSE;
175 BOOL prdr_requested = FALSE;
176 const pcre *regex_PRDR = NULL;
180 const pcre *regex_UTF8 = NULL;
183 /* Input-reading functions for messages, so we can use special ones for
184 incoming TCP/IP. The defaults use stdin. We never need these for any
185 stand-alone tests. */
188 int (*receive_getc)(void) = stdin_getc;
189 int (*receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_feof)(void) = stdin_feof;
191 int (*receive_ferror)(void) = stdin_ferror;
192 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196 /* List of per-address expansion variables for clearing and saving/restoring
197 when verifying one address while routing/verifying another. We have to have
198 the size explicit, because it is referenced from more than one module. */
200 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
220 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
222 /* General global variables */
224 header_line *acl_added_headers = NULL;
225 tree_node *acl_anchor = NULL;
226 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
230 uschar *acl_not_smtp = NULL;
231 #ifdef WITH_CONTENT_SCAN
232 uschar *acl_not_smtp_mime = NULL;
234 uschar *acl_not_smtp_start = NULL;
235 uschar *acl_removed_headers = NULL;
236 uschar *acl_smtp_auth = NULL;
237 uschar *acl_smtp_connect = NULL;
238 uschar *acl_smtp_data = NULL;
240 uschar *acl_smtp_data_prdr = US"accept";
243 uschar *acl_smtp_dkim = NULL;
245 uschar *acl_smtp_etrn = NULL;
246 uschar *acl_smtp_expn = NULL;
247 uschar *acl_smtp_helo = NULL;
248 uschar *acl_smtp_mail = NULL;
249 uschar *acl_smtp_mailauth = NULL;
250 #ifdef WITH_CONTENT_SCAN
251 uschar *acl_smtp_mime = NULL;
253 uschar *acl_smtp_notquit = NULL;
254 uschar *acl_smtp_predata = NULL;
255 uschar *acl_smtp_quit = NULL;
256 uschar *acl_smtp_rcpt = NULL;
257 uschar *acl_smtp_starttls = NULL;
258 uschar *acl_smtp_vrfy = NULL;
260 BOOL acl_temp_details = FALSE;
261 tree_node *acl_var_c = NULL;
262 tree_node *acl_var_m = NULL;
263 uschar *acl_verify_message = NULL;
264 string_item *acl_warn_logged = NULL;
266 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
269 uschar *acl_wherenames[] = { US"RCPT",
294 uschar *acl_wherecodes[] = { US"550", /* RCPT */
296 US"550", /* PREDATA */
301 US"550", /* RCPT PRDR */
303 US"0", /* not SMTP; not relevant */
305 US"550", /* connect */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
319 BOOL active_local_from_check = FALSE;
320 BOOL active_local_sender_retain = FALSE;
321 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
322 uschar *add_environment = NULL;
323 address_item *addr_duplicate = NULL;
325 address_item address_defaults = {
330 NULL, /* start_router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
362 OCSP_NOT_REQ, /* ocsp */
364 #ifdef EXPERIMENTAL_DSN_INFO
365 NULL, /* smtp_greeting */
366 NULL, /* helo_response */
368 NULL, /* authenticator */
370 NULL, /* auth_sndr */
371 NULL, /* dsn_orcpt */
374 (uid_t)(-1), /* uid */
375 (gid_t)(-1), /* gid */
377 { 0 }, /* domain_cache - any larger array should be zeroed */
378 { 0 }, /* localpart_cache - ditto */
381 ERRNO_UNKNOWNERROR, /* basic_errno */
383 -1, /* return_file */
384 SPECIAL_NONE, /* special_action */
385 DEFER, /* transport_return */
386 { /* fields that are propagated to children */
387 NULL, /* address_data */
388 NULL, /* domain_data */
389 NULL, /* localpart_data */
390 NULL, /* errors_address */
391 NULL, /* extra_headers */
392 NULL, /* remove_headers */
393 #ifdef EXPERIMENTAL_SRS
394 NULL, /* srs_sender */
402 uschar *address_file = NULL;
403 uschar *address_pipe = NULL;
404 BOOL address_test_mode = FALSE;
405 tree_node *addresslist_anchor = NULL;
406 int addresslist_count = 0;
407 gid_t *admin_groups = NULL;
408 BOOL admin_user = FALSE;
409 BOOL allow_auth_unadvertised= FALSE;
410 BOOL allow_domain_literals = FALSE;
411 BOOL allow_mx_to_ip = FALSE;
412 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
413 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
414 BOOL allow_utf8_domains = FALSE;
415 uschar *authenticated_fail_id = NULL;
416 uschar *authenticated_id = NULL;
417 uschar *authenticated_sender = NULL;
418 BOOL authentication_failed = FALSE;
419 auth_instance *auths = NULL;
420 uschar *auth_advertise_hosts = US"*";
421 auth_instance auth_defaults = {
422 NULL, /* chain pointer */
425 NULL, /* private options block pointer */
426 NULL, /* driver_name */
427 NULL, /* advertise_condition */
428 NULL, /* client_condition */
429 NULL, /* public_name */
431 NULL, /* set_client_id */
432 NULL, /* server_mail_auth_condition */
433 NULL, /* server_debug_string */
434 NULL, /* server_condition */
437 FALSE /* advertised */
440 uschar *auth_defer_msg = US"reason not recorded";
441 uschar *auth_defer_user_msg = US"";
442 uschar *auth_vars[AUTH_VARS];
444 #ifdef WITH_CONTENT_SCAN
445 BOOL av_failed = FALSE;
446 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
449 BOOL background_daemon = TRUE;
452 uschar *base62_chars=
453 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
455 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
458 uschar *bi_command = NULL;
459 uschar *big_buffer = NULL;
460 int big_buffer_size = BIG_BUFFER_SIZE;
461 #ifdef EXPERIMENTAL_BRIGHTMAIL
462 uschar *bmi_alt_location = NULL;
463 uschar *bmi_base64_tracker_verdict = NULL;
464 uschar *bmi_base64_verdict = NULL;
465 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
468 uschar *bmi_verdicts = NULL;
470 int body_8bitmime = 0;
471 int body_linecount = 0;
472 int body_zerocount = 0;
473 uschar *bounce_message_file = NULL;
474 uschar *bounce_message_text = NULL;
475 uschar *bounce_recipient = NULL;
476 BOOL bounce_return_body = TRUE;
477 int bounce_return_linesize_limit = 998;
478 BOOL bounce_return_message = TRUE;
479 int bounce_return_size_limit = 100*1024;
480 uschar *bounce_sender_authentication = NULL;
481 int bsmtp_transaction_linecount = 0;
483 uschar *callout_address = NULL;
484 int callout_cache_domain_positive_expire = 7*24*60*60;
485 int callout_cache_domain_negative_expire = 3*60*60;
486 int callout_cache_positive_expire = 24*60*60;
487 int callout_cache_negative_expire = 2*60*60;
488 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
489 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
490 int check_log_inodes = 0;
491 int check_log_space = 0;
492 BOOL check_rfc2047_length = TRUE;
493 int check_spool_inodes = 0;
494 int check_spool_space = 0;
495 uschar *client_authenticator = NULL;
496 uschar *client_authenticated_id = NULL;
497 uschar *client_authenticated_sender = NULL;
498 int clmacro_count = 0;
499 uschar *clmacros[MAX_CLMACROS];
500 BOOL config_changed = FALSE;
501 FILE *config_file = NULL;
502 uschar *config_filename = NULL;
503 int config_lineno = 0;
504 #ifdef CONFIGURE_GROUP
505 gid_t config_gid = CONFIGURE_GROUP;
507 uschar *config_main_filelist = US CONFIGURE_FILE
508 "\0<-----------Space to patch configure_filename->";
509 uschar *config_main_filename = NULL;
510 uschar *config_main_directory = NULL;
512 #ifdef CONFIGURE_OWNER
513 uid_t config_uid = CONFIGURE_OWNER;
516 int connection_max_messages= -1;
517 uschar *continue_hostname = NULL;
518 uschar *continue_host_address = NULL;
519 BOOL continue_more = FALSE;
520 int continue_sequence = 1;
521 uschar *continue_transport = NULL;
523 uschar *csa_status = NULL;
525 FALSE, /* delivery: when to attempt */
526 -1, /* fd: open connection */
527 0, /* nrcpt: number of addresses */
530 BOOL daemon_listen = FALSE;
531 uschar *daemon_smtp_port = US"smtp";
532 int daemon_startup_retries = 9;
533 int daemon_startup_sleep = 30;
535 #ifdef EXPERIMENTAL_DCC
536 BOOL dcc_direct_add_header = FALSE;
537 uschar *dcc_header = NULL;
538 uschar *dcc_result = NULL;
539 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
540 uschar *dccifd_options = US"header";
543 BOOL debug_daemon = FALSE;
545 FILE *debug_file = NULL;
546 int debug_notall[] = {
550 bit_table debug_options[] = { /* must be in alphabetical order */
554 BIT_TABLE(D, deliver),
558 BIT_TABLE(D, expand),
559 BIT_TABLE(D, filter),
560 BIT_TABLE(D, hints_lookup),
561 BIT_TABLE(D, host_lookup),
563 BIT_TABLE(D, interface),
566 BIT_TABLE(D, local_scan),
567 BIT_TABLE(D, lookup),
568 BIT_TABLE(D, memory),
570 BIT_TABLE(D, process_info),
571 BIT_TABLE(D, queue_run),
572 BIT_TABLE(D, receive),
573 BIT_TABLE(D, resolver),
575 BIT_TABLE(D, rewrite),
577 BIT_TABLE(D, timestamp),
579 BIT_TABLE(D, transport),
581 BIT_TABLE(D, verify),
583 int debug_options_count = nelem(debug_options);
585 unsigned int debug_selector = 0;
586 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
587 uschar *delay_warning_condition=
589 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
590 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
591 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
593 BOOL delivery_date_remove = TRUE;
594 uschar *deliver_address_data = NULL;
595 int deliver_datafile = -1;
596 const uschar *deliver_domain = NULL;
597 uschar *deliver_domain_data = NULL;
598 const uschar *deliver_domain_orig = NULL;
599 const uschar *deliver_domain_parent = NULL;
600 BOOL deliver_drop_privilege = FALSE;
601 BOOL deliver_firsttime = FALSE;
602 BOOL deliver_force = FALSE;
603 BOOL deliver_freeze = FALSE;
604 time_t deliver_frozen_at = 0;
605 uschar *deliver_home = NULL;
606 const uschar *deliver_host = NULL;
607 const uschar *deliver_host_address = NULL;
608 int deliver_host_port = 0;
609 uschar *deliver_in_buffer = NULL;
610 ino_t deliver_inode = 0;
611 uschar *deliver_localpart = NULL;
612 uschar *deliver_localpart_data = NULL;
613 uschar *deliver_localpart_orig = NULL;
614 uschar *deliver_localpart_parent = NULL;
615 uschar *deliver_localpart_prefix = NULL;
616 uschar *deliver_localpart_suffix = NULL;
617 BOOL deliver_force_thaw = FALSE;
618 BOOL deliver_manual_thaw = FALSE;
619 uschar *deliver_out_buffer = NULL;
620 int deliver_queue_load_max = -1;
621 address_item *deliver_recipients = NULL;
622 uschar *deliver_selectstring = NULL;
623 BOOL deliver_selectstring_regex = FALSE;
624 uschar *deliver_selectstring_sender = NULL;
625 BOOL deliver_selectstring_sender_regex = FALSE;
626 BOOL disable_callout_flush = FALSE;
627 BOOL disable_delay_flush = FALSE;
628 #ifdef ENABLE_DISABLE_FSYNC
629 BOOL disable_fsync = FALSE;
631 BOOL disable_ipv6 = FALSE;
632 BOOL disable_logging = FALSE;
635 BOOL dkim_collect_input = FALSE;
636 uschar *dkim_cur_signer = NULL;
637 BOOL dkim_disable_verify = FALSE;
638 int dkim_key_length = 0;
639 uschar *dkim_signers = NULL;
640 uschar *dkim_signing_domain = NULL;
641 uschar *dkim_signing_selector = NULL;
642 uschar *dkim_verify_signers = US"$dkim_signers";
644 #ifdef EXPERIMENTAL_DMARC
645 BOOL dmarc_has_been_checked = FALSE;
646 uschar *dmarc_ar_header = NULL;
647 uschar *dmarc_domain_policy = NULL;
648 uschar *dmarc_forensic_sender = NULL;
649 uschar *dmarc_history_file = NULL;
650 uschar *dmarc_status = NULL;
651 uschar *dmarc_status_text = NULL;
652 uschar *dmarc_tld_file = NULL;
653 uschar *dmarc_used_domain = NULL;
654 BOOL dmarc_disable_verify = FALSE;
655 BOOL dmarc_enable_forensic = FALSE;
658 uschar *dns_again_means_nonexist = NULL;
659 int dns_csa_search_limit = 5;
660 BOOL dns_csa_use_reverse = TRUE;
661 #ifdef EXPERIMENTAL_DANE
662 int dns_dane_ok = -1;
664 uschar *dns_ipv4_lookup = NULL;
667 int dns_dnssec_ok = -1; /* <0 = not coerced */
668 uschar *dns_trust_aa = NULL;
669 int dns_use_edns0 = -1; /* <0 = not coerced */
670 uschar *dnslist_domain = NULL;
671 uschar *dnslist_matched = NULL;
672 uschar *dnslist_text = NULL;
673 uschar *dnslist_value = NULL;
674 tree_node *domainlist_anchor = NULL;
675 int domainlist_count = 0;
676 BOOL dont_deliver = FALSE;
677 BOOL dot_ends = TRUE;
678 BOOL drop_cr = FALSE; /* No longer used */
679 uschar *dsn_from = US DEFAULT_DSN_FROM;
681 BOOL enable_dollar_recipients = FALSE;
682 BOOL envelope_to_remove = TRUE;
683 int errno_quota = ERRNO_QUOTA;
684 uschar *errors_copy = NULL;
685 int error_handling = ERRORS_SENDER;
686 uschar *errors_reply_to = NULL;
687 int errors_sender_rc = EXIT_FAILURE;
688 #ifndef DISABLE_EVENT
689 uschar *event_action = NULL; /* expansion for delivery events */
690 uschar *event_data = NULL; /* auxilary data variable for event */
691 int event_defer_errno = 0;
692 const uschar *event_name = NULL; /* event name variable */
696 gid_t exim_gid = EXIM_GID;
697 BOOL exim_gid_set = TRUE; /* This gid is always set */
698 uschar *exim_path = US BIN_DIRECTORY "/exim"
699 "\0<---------------Space to patch exim_path->";
700 uid_t exim_uid = EXIM_UID;
701 BOOL exim_uid_set = TRUE; /* This uid is always set */
702 int expand_forbid = 0;
703 int expand_nlength[EXPAND_MAXN+1];
704 int expand_nmax = -1;
705 uschar *expand_nstring[EXPAND_MAXN+1];
706 BOOL expand_string_forcedfail = FALSE;
707 uschar *expand_string_message;
708 BOOL extract_addresses_remove_arguments = TRUE;
709 uschar *extra_local_interfaces = NULL;
711 int fake_response = OK;
712 uschar *fake_response_text = US"Your message has been rejected but is "
713 "being kept for evaluation.\nIf it was a "
714 "legitimate message, it may still be "
715 "delivered to the target recipient(s).";
716 int filter_n[FILTER_VARIABLE_COUNT];
717 BOOL filter_running = FALSE;
718 int filter_sn[FILTER_VARIABLE_COUNT];
719 int filter_test = FTEST_NONE;
720 uschar *filter_test_sfile = NULL;
721 uschar *filter_test_ufile = NULL;
722 uschar *filter_thisaddress = NULL;
723 int finduser_retries = 0;
724 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
725 uschar *freeze_tell = NULL;
726 uschar *freeze_tell_config = NULL;
727 uschar *fudged_queue_times = US"";
729 uschar *gecos_name = NULL;
730 uschar *gecos_pattern = NULL;
731 rewrite_rule *global_rewrite_rules = NULL;
733 uschar *headers_charset = US HEADERS_CHARSET;
734 int header_insert_maxlen = 64 * 1024;
735 header_line *header_last = NULL;
736 header_line *header_list = NULL;
737 int header_maxsize = HEADER_MAXSIZE;
738 int header_line_maxsize = 0;
740 header_name header_names[] = {
741 { US"bcc", 3, TRUE, htype_bcc },
742 { US"cc", 2, TRUE, htype_cc },
743 { US"date", 4, TRUE, htype_date },
744 { US"delivery-date", 13, FALSE, htype_delivery_date },
745 { US"envelope-to", 11, FALSE, htype_envelope_to },
746 { US"from", 4, TRUE, htype_from },
747 { US"message-id", 10, TRUE, htype_id },
748 { US"received", 8, FALSE, htype_received },
749 { US"reply-to", 8, FALSE, htype_reply_to },
750 { US"return-path", 11, FALSE, htype_return_path },
751 { US"sender", 6, TRUE, htype_sender },
752 { US"subject", 7, FALSE, htype_subject },
753 { US"to", 2, TRUE, htype_to }
756 int header_names_size = sizeof(header_names)/sizeof(header_name);
758 BOOL header_rewritten = FALSE;
759 uschar *helo_accept_junk_hosts = NULL;
760 uschar *helo_allow_chars = US"";
761 uschar *helo_lookup_domains = US"@ : @[]";
762 uschar *helo_try_verify_hosts = NULL;
763 BOOL helo_verified = FALSE;
764 BOOL helo_verify_failed = FALSE;
765 uschar *helo_verify_hosts = NULL;
766 const uschar *hex_digits = CUS"0123456789abcdef";
767 uschar *hold_domains = NULL;
768 BOOL host_checking = FALSE;
769 BOOL host_checking_callout = FALSE;
770 uschar *host_data = NULL;
771 BOOL host_find_failed_syntax= FALSE;
772 uschar *host_lookup = NULL;
773 BOOL host_lookup_deferred = FALSE;
774 BOOL host_lookup_failed = FALSE;
775 uschar *host_lookup_order = US"bydns:byaddr";
776 uschar *host_lookup_msg = US"";
778 uschar *host_number_string = NULL;
779 uschar *host_reject_connection = NULL;
780 tree_node *hostlist_anchor = NULL;
781 int hostlist_count = 0;
782 uschar *hosts_treat_as_local = NULL;
783 uschar *hosts_connection_nolog = NULL;
785 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
786 BOOL ignore_fromline_local = FALSE;
787 uschar *ignore_fromline_hosts = NULL;
788 BOOL inetd_wait_mode = FALSE;
789 int inetd_wait_timeout = -1;
790 uschar *initial_cwd = NULL;
791 uschar *interface_address = NULL;
792 int interface_port = -1;
793 BOOL is_inetd = FALSE;
794 uschar *iterate_item = NULL;
798 uschar *keep_environment = NULL;
800 int keep_malformed = 4*24*60*60; /* 4 days */
802 uschar *eldap_dn = NULL;
803 int load_average = -2;
804 BOOL local_error_message = FALSE;
805 BOOL local_from_check = TRUE;
806 uschar *local_from_prefix = NULL;
807 uschar *local_from_suffix = NULL;
810 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
812 uschar *local_interfaces = US"0.0.0.0";
815 uschar *local_scan_data = NULL;
816 int local_scan_timeout = 5*60;
817 BOOL local_sender_retain = FALSE;
818 gid_t local_user_gid = (gid_t)(-1);
819 uid_t local_user_uid = (uid_t)(-1);
821 tree_node *localpartlist_anchor= NULL;
822 int localpartlist_count = 0;
823 uschar *log_buffer = NULL;
825 int log_default[] = { /* for initializing log_selector */
827 Li_connection_reject,
831 Li_host_lookup_failed,
832 Li_lost_incoming_connection,
833 Li_outgoing_interface, /* see d_log_interface in deliver.c */
837 Li_sender_verify_fail,
840 Li_smtp_confirmation,
841 Li_tls_certificate_verified,
846 uschar *log_file_path = US LOG_FILE_PATH
847 "\0<--------------Space to patch log_file_path->";
852 bit_table log_options[] = { /* must be in alphabetical order */
853 BIT_TABLE(L, 8bitmime),
854 BIT_TABLE(L, acl_warn_skipped),
855 BIT_TABLE(L, address_rewrite),
857 BIT_TABLE(L, all_parents),
858 BIT_TABLE(L, arguments),
859 BIT_TABLE(L, connection_reject),
860 BIT_TABLE(L, delay_delivery),
861 BIT_TABLE(L, deliver_time),
862 BIT_TABLE(L, delivery_size),
863 BIT_TABLE(L, dnslist_defer),
864 BIT_TABLE(L, dnssec),
866 BIT_TABLE(L, host_lookup_failed),
867 BIT_TABLE(L, ident_timeout),
868 BIT_TABLE(L, incoming_interface),
869 BIT_TABLE(L, incoming_port),
870 BIT_TABLE(L, lost_incoming_connection),
871 BIT_TABLE(L, outgoing_interface),
872 BIT_TABLE(L, outgoing_port),
874 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
877 BIT_TABLE(L, queue_run),
878 BIT_TABLE(L, queue_time),
879 BIT_TABLE(L, queue_time_overall),
880 BIT_TABLE(L, received_recipients),
881 BIT_TABLE(L, received_sender),
882 BIT_TABLE(L, rejected_header),
883 { US"rejected_headers", Li_rejected_header },
884 BIT_TABLE(L, retry_defer),
885 BIT_TABLE(L, return_path_on_delivery),
886 BIT_TABLE(L, sender_on_delivery),
887 BIT_TABLE(L, sender_verify_fail),
888 BIT_TABLE(L, size_reject),
889 BIT_TABLE(L, skip_delivery),
890 BIT_TABLE(L, smtp_confirmation),
891 BIT_TABLE(L, smtp_connection),
892 BIT_TABLE(L, smtp_incomplete_transaction),
893 BIT_TABLE(L, smtp_mailauth),
894 BIT_TABLE(L, smtp_no_mail),
895 BIT_TABLE(L, smtp_protocol_error),
896 BIT_TABLE(L, smtp_syntax_error),
897 BIT_TABLE(L, subject),
898 BIT_TABLE(L, tls_certificate_verified),
899 BIT_TABLE(L, tls_cipher),
900 BIT_TABLE(L, tls_peerdn),
901 BIT_TABLE(L, tls_sni),
902 BIT_TABLE(L, unknown_in_list),
904 int log_options_count = nelem(log_options);
906 int log_reject_target = 0;
907 unsigned int log_selector[log_selector_size]; /* initialized in main() */
908 uschar *log_selector_string = NULL;
909 FILE *log_stderr = NULL;
910 BOOL log_testing_mode = FALSE;
911 BOOL log_timezone = FALSE;
912 uschar *login_sender_address = NULL;
913 uschar *lookup_dnssec_authenticated = NULL;
914 int lookup_open_max = 25;
915 uschar *lookup_value = NULL;
917 macro_item *macros = NULL;
918 uschar *mailstore_basename = NULL;
919 #ifdef WITH_CONTENT_SCAN
920 uschar *malware_name = NULL; /* Virus Name */
922 int max_received_linelength= 0;
923 int max_username_length = 0;
925 uschar *message_body = NULL;
926 uschar *message_body_end = NULL;
927 BOOL message_body_newlines = FALSE;
928 int message_body_size = 0;
929 int message_body_visible = 500;
930 int message_ended = END_NOTSTARTED;
931 uschar *message_headers = NULL;
933 uschar *message_id_domain = NULL;
934 uschar *message_id_text = NULL;
935 struct timeval message_id_tv = { 0, 0 };
936 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
937 uschar *message_id_external;
938 int message_linecount = 0;
939 BOOL message_logs = TRUE;
940 int message_size = 0;
941 uschar *message_size_limit = US"50M";
943 BOOL message_smtputf8 = FALSE;
944 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
946 uschar message_subdir[2] = { 0, 0 };
947 uschar *message_reference = NULL;
949 /* MIME ACL expandables */
950 #ifdef WITH_CONTENT_SCAN
951 int mime_anomaly_level = 0;
952 const uschar *mime_anomaly_text = NULL;
953 uschar *mime_boundary = NULL;
954 uschar *mime_charset = NULL;
955 uschar *mime_content_description = NULL;
956 uschar *mime_content_disposition = NULL;
957 uschar *mime_content_id = NULL;
958 unsigned int mime_content_size = 0;
959 uschar *mime_content_transfer_encoding = NULL;
960 uschar *mime_content_type = NULL;
961 uschar *mime_decoded_filename = NULL;
962 uschar *mime_filename = NULL;
963 int mime_is_multipart = 0;
964 int mime_is_coverletter = 0;
965 int mime_is_rfc822 = 0;
966 int mime_part_count = -1;
969 BOOL mua_wrapper = FALSE;
971 uid_t *never_users = NULL;
972 #ifdef WITH_CONTENT_SCAN
973 BOOL no_mbox_unspool = FALSE;
975 BOOL no_multiline_responses = FALSE;
978 gid_t originator_gid;
979 uschar *originator_login = NULL;
980 uschar *originator_name = NULL;
981 uid_t originator_uid;
982 uschar *override_local_interfaces = NULL;
983 uschar *override_pid_file_path = NULL;
985 BOOL parse_allow_group = FALSE;
986 BOOL parse_found_group = FALSE;
987 uschar *percent_hack_domains = NULL;
988 uschar *pid_file_path = US PID_FILE_PATH
989 "\0<--------------Space to patch pid_file_path->";
990 BOOL pipelining_enable = TRUE;
991 uschar *pipelining_advertise_hosts = US"*";
992 BOOL preserve_message_logs = FALSE;
993 uschar *primary_hostname = NULL;
994 BOOL print_topbitchars = FALSE;
995 uschar process_info[PROCESS_INFO_SIZE];
996 int process_info_len = 0;
997 uschar *process_log_path = NULL;
998 BOOL prod_requires_admin = TRUE;
1000 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1001 uschar *hosts_proxy = US"";
1002 uschar *proxy_external_address = US"";
1003 int proxy_external_port = 0;
1004 uschar *proxy_local_address = US"";
1005 int proxy_local_port = 0;
1006 BOOL proxy_session = FALSE;
1007 BOOL proxy_session_failed = FALSE;
1010 uschar *prvscheck_address = NULL;
1011 uschar *prvscheck_keynum = NULL;
1012 uschar *prvscheck_result = NULL;
1015 const uschar *qualify_domain_recipient = NULL;
1016 uschar *qualify_domain_sender = NULL;
1017 BOOL queue_2stage = FALSE;
1018 uschar *queue_domains = NULL;
1019 int queue_interval = -1;
1020 BOOL queue_list_requires_admin = TRUE;
1021 uschar *queue_name = US"";
1022 BOOL queue_only = FALSE;
1023 uschar *queue_only_file = NULL;
1024 int queue_only_load = -1;
1025 BOOL queue_only_load_latch = TRUE;
1026 BOOL queue_only_override = TRUE;
1027 BOOL queue_only_policy = FALSE;
1028 BOOL queue_run_first_delivery = FALSE;
1029 BOOL queue_run_force = FALSE;
1030 BOOL queue_run_in_order = FALSE;
1031 BOOL queue_run_local = FALSE;
1032 uschar *queue_run_max = US"5";
1033 pid_t queue_run_pid = (pid_t)0;
1034 int queue_run_pipe = -1;
1035 BOOL queue_running = FALSE;
1036 BOOL queue_smtp = FALSE;
1037 uschar *queue_smtp_domains = NULL;
1039 unsigned int random_seed = 0;
1040 tree_node *ratelimiters_cmd = NULL;
1041 tree_node *ratelimiters_conn = NULL;
1042 tree_node *ratelimiters_mail = NULL;
1043 uschar *raw_active_hostname = NULL;
1044 uschar *raw_sender = NULL;
1045 uschar **raw_recipients = NULL;
1046 int raw_recipients_count = 0;
1049 int rcpt_fail_count = 0;
1050 int rcpt_defer_count = 0;
1053 BOOL really_exim = TRUE;
1054 BOOL receive_call_bombout = FALSE;
1055 int receive_linecount = 0;
1056 int receive_messagecount = 0;
1057 int receive_timeout = 0;
1058 int received_count = 0;
1059 uschar *received_for = NULL;
1061 /* This is the default text for Received headers generated by Exim. The
1062 date will be automatically added on the end. */
1064 uschar *received_header_text = US
1066 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1067 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1068 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1069 "by $primary_hostname "
1070 "${if def:received_protocol {with $received_protocol}} "
1072 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1074 "(Exim $version_number)\n\t"
1075 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1076 "id $message_exim_id"
1077 "${if def:received_for {\n\tfor $received_for}}"
1078 "\0<---------------Space to patch received_header_text->";
1080 int received_headers_max = 30;
1081 uschar *received_protocol = NULL;
1082 int received_time = 0;
1083 uschar *recipient_data = NULL;
1084 uschar *recipient_unqualified_hosts = NULL;
1085 uschar *recipient_verify_failure = NULL;
1086 int recipients_count = 0;
1087 BOOL recipients_discarded = FALSE;
1088 recipient_item *recipients_list = NULL;
1089 int recipients_list_max = 0;
1090 int recipients_max = 0;
1091 BOOL recipients_max_reject = FALSE;
1092 const pcre *regex_AUTH = NULL;
1093 const pcre *regex_check_dns_names = NULL;
1094 const pcre *regex_From = NULL;
1095 const pcre *regex_IGNOREQUOTA = NULL;
1096 const pcre *regex_PIPELINING = NULL;
1097 const pcre *regex_SIZE = NULL;
1098 const pcre *regex_ismsgid = NULL;
1099 const pcre *regex_smtp_code = NULL;
1100 uschar *regex_vars[REGEX_VARS];
1101 #ifdef WHITELIST_D_MACROS
1102 const pcre *regex_whitelisted_macro = NULL;
1104 #ifdef WITH_CONTENT_SCAN
1105 uschar *regex_match_string = NULL;
1107 int remote_delivery_count = 0;
1108 int remote_max_parallel = 2;
1109 uschar *remote_sort_domains = NULL;
1110 int retry_data_expire = 7*24*60*60;
1111 int retry_interval_max = 24*60*60;
1112 int retry_maximum_timeout = 0; /* set from retry config */
1113 retry_config *retries = NULL;
1114 uschar *return_path = NULL;
1115 BOOL return_path_remove = TRUE;
1116 int rewrite_existflags = 0;
1117 uschar *rfc1413_hosts = US"@[]";
1118 int rfc1413_query_timeout = 0;
1119 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1120 uid_t root_gid = ROOT_GID;
1121 uid_t root_uid = ROOT_UID;
1123 router_instance *routers = NULL;
1124 router_instance router_defaults = {
1125 NULL, /* chain pointer */
1128 NULL, /* private options block pointer */
1129 NULL, /* driver name */
1131 NULL, /* address_data */
1132 #ifdef EXPERIMENTAL_BRIGHTMAIL
1133 NULL, /* bmi_rule */
1135 NULL, /* cannot_route_message */
1136 NULL, /* condition */
1137 NULL, /* current_directory */
1138 NULL, /* debug_string */
1140 NULL, /* errors_to */
1141 NULL, /* expand_gid */
1142 NULL, /* expand_uid */
1143 NULL, /* expand_more */
1144 NULL, /* expand_unseen */
1145 NULL, /* extra_headers */
1146 NULL, /* fallback_hosts */
1147 NULL, /* home_directory */
1148 NULL, /* ignore_target_hosts */
1149 NULL, /* local_parts */
1150 NULL, /* pass_router_name */
1152 NULL, /* redirect_router_name */
1153 NULL, /* remove_headers */
1154 NULL, /* require_files */
1155 NULL, /* router_home_directory */
1156 US"freeze", /* self */
1159 NULL, /* translate_ip_address */
1160 NULL, /* transport_name */
1162 TRUE, /* address_test */
1163 #ifdef EXPERIMENTAL_BRIGHTMAIL
1164 FALSE, /* bmi_deliver_alternate */
1165 FALSE, /* bmi_deliver_default */
1166 FALSE, /* bmi_dont_deliver */
1169 FALSE, /* caseful_local_part */
1170 FALSE, /* check_local_user */
1171 FALSE, /* disable_logging */
1172 FALSE, /* fail_verify_recipient */
1173 FALSE, /* fail_verify_sender */
1174 FALSE, /* gid_set */
1175 FALSE, /* initgroups */
1176 TRUE_UNSET, /* log_as_local */
1178 FALSE, /* pass_on_timeout */
1179 FALSE, /* prefix_optional */
1180 TRUE, /* repeat_use */
1181 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1182 FALSE, /* same_domain_copy_routing */
1183 FALSE, /* self_rewrite */
1184 FALSE, /* suffix_optional */
1185 FALSE, /* verify_only */
1186 TRUE, /* verify_recipient */
1187 TRUE, /* verify_sender */
1188 FALSE, /* uid_set */
1190 FALSE, /* dsn_lasthop */
1192 self_freeze, /* self_code */
1193 (uid_t)(-1), /* uid */
1194 (gid_t)(-1), /* gid */
1196 NULL, /* fallback_hostlist */
1197 NULL, /* transport instance */
1198 NULL, /* pass_router */
1199 NULL, /* redirect_router */
1201 { NULL, NULL }, /* dnssec_domains {require,request} */
1204 uschar *router_name = NULL;
1206 ip_address_item *running_interfaces = NULL;
1207 BOOL running_in_test_harness = FALSE;
1209 /* This is a weird one. The following string gets patched in the binary by the
1210 script that sets up a copy of Exim for running in the test harness. It seems
1211 that compilers are now clever, and share constant strings if they can.
1212 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1213 make use of the end of this string in order to save space. So the patching then
1214 wrecks this. We defeat this optimization by adding some additional characters
1215 onto the end of the string. */
1217 uschar *running_status = US">>>running<<<" "\0EXTRA";
1221 uschar *search_error_message = NULL;
1222 BOOL search_find_defer = FALSE;
1223 uschar *self_hostname = NULL;
1224 uschar *sender_address = NULL;
1225 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1226 uschar *sender_address_data = NULL;
1227 BOOL sender_address_forced = FALSE;
1228 uschar *sender_address_unrewritten = NULL;
1229 uschar *sender_data = NULL;
1230 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1231 uschar *sender_fullhost = NULL;
1232 BOOL sender_helo_dnssec = FALSE;
1233 uschar *sender_helo_name = NULL;
1234 uschar **sender_host_aliases = &no_aliases;
1235 uschar *sender_host_address = NULL;
1236 uschar *sender_host_authenticated = NULL;
1237 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1238 BOOL sender_host_dnssec = FALSE;
1239 uschar *sender_host_name = NULL;
1240 int sender_host_port = 0;
1241 BOOL sender_host_notsocket = FALSE;
1242 BOOL sender_host_unknown = FALSE;
1243 uschar *sender_ident = NULL;
1244 BOOL sender_local = FALSE;
1245 BOOL sender_name_forced = FALSE;
1246 uschar *sender_rate = NULL;
1247 uschar *sender_rate_limit = NULL;
1248 uschar *sender_rate_period = NULL;
1249 uschar *sender_rcvhost = NULL;
1250 BOOL sender_set_untrusted = FALSE;
1251 uschar *sender_unqualified_hosts = NULL;
1252 uschar *sender_verify_failure = NULL;
1253 address_item *sender_verified_list = NULL;
1254 address_item *sender_verified_failed = NULL;
1255 int sender_verified_rc = -1;
1256 BOOL sender_verified_responded = FALSE;
1257 uschar *sending_ip_address = NULL;
1258 int sending_port = -1;
1259 SIGNAL_BOOL sigalrm_seen = FALSE;
1260 uschar **sighup_argv = NULL;
1261 int slow_lookup_log = 0; /* millisecs, zero disables */
1262 int smtp_accept_count = 0;
1263 BOOL smtp_accept_keepalive = TRUE;
1264 int smtp_accept_max = 20;
1265 int smtp_accept_max_nonmail= 10;
1266 uschar *smtp_accept_max_nonmail_hosts = US"*";
1267 int smtp_accept_max_per_connection = 1000;
1268 uschar *smtp_accept_max_per_host = NULL;
1269 int smtp_accept_queue = 0;
1270 int smtp_accept_queue_per_connection = 10;
1271 int smtp_accept_reserve = 0;
1272 uschar *smtp_active_hostname = NULL;
1273 BOOL smtp_authenticated = FALSE;
1274 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1275 "Exim $version_number $tod_full"
1276 "\0<---------------Space to patch smtp_banner->";
1277 BOOL smtp_batched_input = FALSE;
1278 BOOL smtp_check_spool_space = TRUE;
1279 int smtp_ch_index = 0;
1280 uschar *smtp_cmd_argument = NULL;
1281 uschar *smtp_cmd_buffer = NULL;
1282 time_t smtp_connection_start = 0;
1283 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1284 int smtp_connect_backlog = 20;
1285 double smtp_delay_mail = 0.0;
1286 double smtp_delay_rcpt = 0.0;
1287 BOOL smtp_enforce_sync = TRUE;
1288 FILE *smtp_in = NULL;
1289 BOOL smtp_input = FALSE;
1290 int smtp_load_reserve = -1;
1291 int smtp_mailcmd_count = 0;
1292 FILE *smtp_out = NULL;
1293 uschar *smtp_etrn_command = NULL;
1294 BOOL smtp_etrn_serialize = TRUE;
1295 int smtp_max_synprot_errors= 3;
1296 int smtp_max_unknown_commands = 3;
1297 uschar *smtp_notquit_reason = NULL;
1298 uschar *smtp_ratelimit_hosts = NULL;
1299 uschar *smtp_ratelimit_mail = NULL;
1300 uschar *smtp_ratelimit_rcpt = NULL;
1301 uschar *smtp_read_error = US"";
1302 int smtp_receive_timeout = 5*60;
1303 uschar *smtp_receive_timeout_s = NULL;
1304 uschar *smtp_reserve_hosts = NULL;
1305 BOOL smtp_return_error_details = FALSE;
1306 int smtp_rlm_base = 0;
1307 double smtp_rlm_factor = 0.0;
1308 int smtp_rlm_limit = 0;
1309 int smtp_rlm_threshold = INT_MAX;
1310 int smtp_rlr_base = 0;
1311 double smtp_rlr_factor = 0.0;
1312 int smtp_rlr_limit = 0;
1313 int smtp_rlr_threshold = INT_MAX;
1314 BOOL smtp_use_pipelining = FALSE;
1315 BOOL smtp_use_size = FALSE;
1317 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1320 #ifdef WITH_CONTENT_SCAN
1321 uschar *spamd_address = US"127.0.0.1 783";
1322 uschar *spam_bar = NULL;
1323 uschar *spam_report = NULL;
1324 uschar *spam_action = NULL;
1325 uschar *spam_score = NULL;
1326 uschar *spam_score_int = NULL;
1328 #ifdef EXPERIMENTAL_SPF
1329 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1330 uschar *spf_header_comment = NULL;
1331 uschar *spf_received = NULL;
1332 uschar *spf_result = NULL;
1333 uschar *spf_smtp_comment = NULL;
1336 BOOL split_spool_directory = FALSE;
1337 uschar *spool_directory = US SPOOL_DIRECTORY
1338 "\0<--------------Space to patch spool_directory->";
1339 #ifdef EXPERIMENTAL_SRS
1340 uschar *srs_config = NULL;
1341 uschar *srs_db_address = NULL;
1342 uschar *srs_db_key = NULL;
1343 int srs_hashlength = 6;
1344 int srs_hashmin = -1;
1345 int srs_maxage = 31;
1346 uschar *srs_orig_recipient = NULL;
1347 uschar *srs_orig_sender = NULL;
1348 uschar *srs_recipient = NULL;
1349 uschar *srs_secrets = NULL;
1350 uschar *srs_status = NULL;
1351 BOOL srs_usehash = TRUE;
1352 BOOL srs_usetimestamp = TRUE;
1354 BOOL strict_acl_vars = FALSE;
1355 int string_datestamp_offset= -1;
1356 int string_datestamp_length= 0;
1357 int string_datestamp_type = -1;
1358 BOOL strip_excess_angle_brackets = FALSE;
1359 BOOL strip_trailing_dot = FALSE;
1360 uschar *submission_domain = NULL;
1361 BOOL submission_mode = FALSE;
1362 uschar *submission_name = NULL;
1363 BOOL suppress_local_fixups = FALSE;
1364 BOOL suppress_local_fixups_default = FALSE;
1365 BOOL synchronous_delivery = FALSE;
1366 BOOL syslog_duplication = TRUE;
1367 int syslog_facility = LOG_MAIL;
1368 uschar *syslog_processname = US"exim";
1369 BOOL syslog_timestamp = TRUE;
1370 uschar *system_filter = NULL;
1372 uschar *system_filter_directory_transport = NULL;
1373 uschar *system_filter_file_transport = NULL;
1374 uschar *system_filter_pipe_transport = NULL;
1375 uschar *system_filter_reply_transport = NULL;
1377 gid_t system_filter_gid = 0;
1378 BOOL system_filter_gid_set = FALSE;
1379 uid_t system_filter_uid = (uid_t)-1;
1380 BOOL system_filter_uid_set = FALSE;
1381 BOOL system_filtering = FALSE;
1383 BOOL tcp_nodelay = TRUE;
1384 #ifdef USE_TCP_WRAPPERS
1385 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1387 int test_harness_load_avg = 0;
1388 int thismessage_size_limit = 0;
1389 int timeout_frozen_after = 0;
1390 BOOL timestamps_utc = FALSE;
1392 transport_instance *transports = NULL;
1394 transport_instance transport_defaults = {
1395 NULL, /* chain pointer */
1398 NULL, /* private options block pointer */
1399 NULL, /* driver name */
1400 NULL, /* setup entry point */
1402 NULL, /* batch_id */
1403 NULL, /* home_dir */
1404 NULL, /* current_dir */
1405 NULL, /* expand-multi-domain */
1406 TRUE, /* multi-domain */
1407 FALSE, /* overrides_hosts */
1408 100, /* max_addresses */
1409 500, /* connection_max_messages */
1410 FALSE, /* deliver_as_creator */
1411 FALSE, /* disable_logging */
1412 FALSE, /* initgroups */
1413 FALSE, /* uid_set */
1414 FALSE, /* gid_set */
1415 (uid_t)(-1), /* uid */
1416 (gid_t)(-1), /* gid */
1417 NULL, /* expand_uid */
1418 NULL, /* expand_gid */
1419 NULL, /* warn_message */
1421 NULL, /* shadow_condition */
1422 NULL, /* filter_command */
1423 NULL, /* add_headers */
1424 NULL, /* remove_headers */
1425 NULL, /* return_path */
1426 NULL, /* debug_string */
1427 NULL, /* max_parallel */
1428 NULL, /* message_size_limit */
1429 NULL, /* headers_rewrite */
1430 NULL, /* rewrite_rules */
1431 0, /* rewrite_existflags */
1432 300, /* filter_timeout */
1433 FALSE, /* body_only */
1434 FALSE, /* delivery_date_add */
1435 FALSE, /* envelope_to_add */
1436 FALSE, /* headers_only */
1437 FALSE, /* rcpt_include_affixes */
1438 FALSE, /* return_path_add */
1439 FALSE, /* return_output */
1440 FALSE, /* return_fail_output */
1441 FALSE, /* log_output */
1442 FALSE, /* log_fail_output */
1443 FALSE, /* log_defer_output */
1444 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1445 1 nor 0 so can detect unset */
1446 #ifndef DISABLE_EVENT
1447 ,NULL /* event_action */
1451 int transport_count;
1452 uschar *transport_name = NULL;
1453 int transport_newlines;
1454 const uschar **transport_filter_argv = NULL;
1455 int transport_filter_timeout;
1456 BOOL transport_filter_timed_out = FALSE;
1457 int transport_write_timeout= 0;
1459 tree_node *tree_dns_fails = NULL;
1460 tree_node *tree_duplicates = NULL;
1461 tree_node *tree_nonrecipients = NULL;
1462 tree_node *tree_unusable = NULL;
1464 BOOL trusted_caller = FALSE;
1465 BOOL trusted_config = TRUE;
1466 gid_t *trusted_groups = NULL;
1467 uid_t *trusted_users = NULL;
1468 uschar *timezone_string = US TIMEZONE_DEFAULT;
1470 uschar *unknown_login = NULL;
1471 uschar *unknown_username = NULL;
1472 uschar *untrusted_set_sender = NULL;
1474 /* A regex for matching a "From_" line in an incoming message, in the form
1476 From ph10 Fri Jan 5 12:35 GMT 1996
1478 which the "mail" commands send to the MTA (undocumented, of course), or in
1481 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1483 which is apparently used by some UUCPs, despite it not being in RFC 976.
1484 Because of variations in time formats, just match up to the minutes. That
1485 should be sufficient. Examples have been seen of time fields like 12:1:03,
1486 so just require one digit for hours and minutes. The weekday is also absent
1489 uschar *uucp_from_pattern = US
1490 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1491 "(?:" /* Non-extracting bracket */
1492 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1493 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1494 ")" /* End alternation */
1495 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1497 uschar *uucp_from_sender = US"$1";
1499 uschar *verify_mode = NULL;
1500 uschar *version_copyright =
1501 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1502 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1503 uschar *version_date = US"?";
1504 uschar *version_cnumber = US"????";
1505 uschar *version_string = US"?";
1507 uschar *warn_message_file = NULL;
1508 int warning_count = 0;
1509 uschar *warnmsg_delay = NULL;
1510 uschar *warnmsg_recipients = NULL;
1511 BOOL write_rejectlog = TRUE;
1514 /* End of globals.c */