1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
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 = nelem(optionlist_auths);
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 .certificate_verified = FALSE,
108 .dane_verified = FALSE,
113 .on_connect_ports = NULL,
120 tls_support tls_out = {
123 .certificate_verified = FALSE,
125 .dane_verified = FALSE,
130 .on_connect_ports = NULL,
138 uschar *dsn_envid = NULL;
140 const pcre *regex_DSN = NULL;
141 uschar *dsn_advertise_hosts = NULL;
144 BOOL gnutls_compat_mode = FALSE;
145 BOOL gnutls_allow_auto_pkcs11 = FALSE;
146 uschar *openssl_options = NULL;
147 const pcre *regex_STARTTLS = NULL;
148 uschar *tls_advertise_hosts = US"*";
149 uschar *tls_certificate = NULL;
150 uschar *tls_crl = NULL;
151 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152 that's the interop problem which has been observed: GnuTLS suggesting a higher
153 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154 int tls_dh_max_bits = 2236;
155 uschar *tls_dhparam = NULL;
156 uschar *tls_eccurve = US"auto";
157 # ifndef DISABLE_OCSP
158 uschar *tls_ocsp_file = NULL;
160 uschar *tls_privatekey = NULL;
161 BOOL tls_remember_esmtp = FALSE;
162 uschar *tls_require_ciphers = NULL;
163 uschar *tls_try_verify_hosts = NULL;
164 uschar *tls_verify_certificates= US"system";
165 uschar *tls_verify_hosts = NULL;
166 #else /*!SUPPORT_TLS*/
167 uschar *tls_advertise_hosts = NULL;
171 /* Per Recipient Data Response variables */
172 BOOL prdr_enable = FALSE;
173 BOOL prdr_requested = FALSE;
174 const pcre *regex_PRDR = NULL;
178 const pcre *regex_UTF8 = NULL;
181 /* Input-reading functions for messages, so we can use special ones for
182 incoming TCP/IP. The defaults use stdin. We never need these for any
183 stand-alone tests. */
185 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
186 int (*lwr_receive_getc)(unsigned) = stdin_getc;
187 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189 int (*receive_getc)(unsigned) = stdin_getc;
190 uschar * (*receive_getbuf)(unsigned *) = NULL;
191 void (*receive_get_cache)(void)= NULL;
192 int (*receive_ungetc)(int) = stdin_ungetc;
193 int (*receive_feof)(void) = stdin_feof;
194 int (*receive_ferror)(void) = stdin_ferror;
195 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
199 /* List of per-address expansion variables for clearing and saving/restoring
200 when verifying one address while routing/verifying another. We have to have
201 the size explicit, because it is referenced from more than one module. */
203 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
223 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
225 /* General global variables */
227 header_line *acl_added_headers = NULL;
228 tree_node *acl_anchor = NULL;
229 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
235 uschar *acl_not_smtp = NULL;
236 #ifdef WITH_CONTENT_SCAN
237 uschar *acl_not_smtp_mime = NULL;
239 uschar *acl_not_smtp_start = NULL;
240 uschar *acl_removed_headers = NULL;
241 uschar *acl_smtp_auth = NULL;
242 uschar *acl_smtp_connect = NULL;
243 uschar *acl_smtp_data = NULL;
245 uschar *acl_smtp_data_prdr = US"accept";
248 uschar *acl_smtp_dkim = NULL;
250 uschar *acl_smtp_etrn = NULL;
251 uschar *acl_smtp_expn = NULL;
252 uschar *acl_smtp_helo = NULL;
253 uschar *acl_smtp_mail = NULL;
254 uschar *acl_smtp_mailauth = NULL;
255 #ifdef WITH_CONTENT_SCAN
256 uschar *acl_smtp_mime = NULL;
258 uschar *acl_smtp_notquit = NULL;
259 uschar *acl_smtp_predata = NULL;
260 uschar *acl_smtp_quit = NULL;
261 uschar *acl_smtp_rcpt = NULL;
262 uschar *acl_smtp_starttls = NULL;
263 uschar *acl_smtp_vrfy = NULL;
265 BOOL acl_temp_details = FALSE;
266 tree_node *acl_var_c = NULL;
267 tree_node *acl_var_m = NULL;
268 uschar *acl_verify_message = NULL;
269 string_item *acl_warn_logged = NULL;
271 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
274 uschar *acl_wherenames[] = { US"RCPT",
299 uschar *acl_wherecodes[] = { US"550", /* RCPT */
301 US"550", /* PREDATA */
306 US"550", /* RCPT PRDR */
308 US"0", /* not SMTP; not relevant */
310 US"550", /* connect */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
324 BOOL active_local_from_check = FALSE;
325 BOOL active_local_sender_retain = FALSE;
326 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327 uschar *add_environment = NULL;
328 address_item *addr_duplicate = NULL;
330 address_item address_defaults = {
335 .start_router = NULL,
340 .fallback_hosts = NULL,
345 .cc_local_part = NULL,
346 .lc_local_part = NULL,
351 .address_retry_key = NULL,
352 .domain_retry_key = NULL,
356 .user_message = NULL,
357 .onetime_parent = NULL,
358 .pipe_expandn = NULL,
359 .return_filename = NULL,
360 .self_hostname = NULL,
361 .shadow_message = NULL,
367 .ocsp = OCSP_NOT_REQ,
369 #ifdef EXPERIMENTAL_DSN_INFO
370 .smtp_greeting = NULL,
371 .helo_response = NULL,
373 .authenticator = NULL,
382 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
383 .localpart_cache = { 0 }, /* localpart_cache - ditto */
387 .basic_errno = ERRNO_UNKNOWNERROR,
390 .special_action = SPECIAL_NONE,
391 .transport_return = DEFER,
392 .prop = { /* fields that are propagated to children */
393 .address_data = NULL,
395 .localpart_data = NULL,
396 .errors_address = NULL,
397 .extra_headers = NULL,
398 .remove_headers = NULL,
399 #ifdef EXPERIMENTAL_SRS
402 .ignore_error = FALSE,
405 .utf8_downcvt = FALSE,
406 .utf8_downcvt_maybe = FALSE
411 uschar *address_file = NULL;
412 uschar *address_pipe = NULL;
413 BOOL address_test_mode = FALSE;
414 tree_node *addresslist_anchor = NULL;
415 int addresslist_count = 0;
416 gid_t *admin_groups = NULL;
417 BOOL admin_user = FALSE;
418 BOOL allow_auth_unadvertised= FALSE;
419 BOOL allow_domain_literals = FALSE;
420 BOOL allow_mx_to_ip = FALSE;
421 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
422 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
423 BOOL allow_utf8_domains = FALSE;
424 uschar *authenticated_fail_id = NULL;
425 uschar *authenticated_id = NULL;
426 uschar *authenticated_sender = NULL;
427 BOOL authentication_failed = FALSE;
428 auth_instance *auths = NULL;
429 uschar *auth_advertise_hosts = US"*";
430 auth_instance auth_defaults = {
434 .options_block = NULL,
436 .advertise_condition = NULL,
437 .client_condition = NULL,
440 .set_client_id = NULL,
441 .mail_auth_condition = NULL,
442 .server_debug_string = NULL,
443 .server_condition = NULL,
449 uschar *auth_defer_msg = US"reason not recorded";
450 uschar *auth_defer_user_msg = US"";
451 uschar *auth_vars[AUTH_VARS];
453 #ifdef WITH_CONTENT_SCAN
454 BOOL av_failed = FALSE;
455 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
458 BOOL background_daemon = TRUE;
461 uschar *base62_chars=
462 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
464 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
467 uschar *bi_command = NULL;
468 uschar *big_buffer = NULL;
469 int big_buffer_size = BIG_BUFFER_SIZE;
470 #ifdef EXPERIMENTAL_BRIGHTMAIL
471 uschar *bmi_alt_location = NULL;
472 uschar *bmi_base64_tracker_verdict = NULL;
473 uschar *bmi_base64_verdict = NULL;
474 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
477 uschar *bmi_verdicts = NULL;
479 int bsmtp_transaction_linecount = 0;
480 int body_8bitmime = 0;
481 int body_linecount = 0;
482 int body_zerocount = 0;
483 uschar *bounce_message_file = NULL;
484 uschar *bounce_message_text = NULL;
485 uschar *bounce_recipient = NULL;
486 BOOL bounce_return_body = TRUE;
487 int bounce_return_linesize_limit = 998;
488 BOOL bounce_return_message = TRUE;
489 int bounce_return_size_limit = 100*1024;
490 uschar *bounce_sender_authentication = NULL;
492 uschar *callout_address = NULL;
493 int callout_cache_domain_positive_expire = 7*24*60*60;
494 int callout_cache_domain_negative_expire = 3*60*60;
495 int callout_cache_positive_expire = 24*60*60;
496 int callout_cache_negative_expire = 2*60*60;
497 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
498 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
499 int check_log_inodes = 100;
500 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
501 BOOL check_rfc2047_length = TRUE;
502 int check_spool_inodes = 100;
503 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
505 uschar *chunking_advertise_hosts = US"*";
506 unsigned chunking_datasize = 0;
507 unsigned chunking_data_left = 0;
508 BOOL chunking_offered = FALSE;
509 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
510 const pcre *regex_CHUNKING = NULL;
512 uschar *client_authenticator = NULL;
513 uschar *client_authenticated_id = NULL;
514 uschar *client_authenticated_sender = NULL;
515 int clmacro_count = 0;
516 uschar *clmacros[MAX_CLMACROS];
517 BOOL commandline_checks_require_admin = FALSE;
518 BOOL config_changed = FALSE;
519 FILE *config_file = NULL;
520 const uschar *config_filename = NULL;
521 int config_lineno = 0;
522 #ifdef CONFIGURE_GROUP
523 gid_t config_gid = CONFIGURE_GROUP;
525 gid_t config_gid = 0;
527 uschar *config_main_filelist = US CONFIGURE_FILE
528 "\0<-----------Space to patch configure_filename->";
529 uschar *config_main_filename = NULL;
530 uschar *config_main_directory = NULL;
532 #ifdef CONFIGURE_OWNER
533 uid_t config_uid = CONFIGURE_OWNER;
535 uid_t config_uid = 0;
538 int connection_max_messages= -1;
539 uschar *continue_proxy_cipher = NULL;
540 uschar *continue_hostname = NULL;
541 uschar *continue_host_address = NULL;
542 BOOL continue_more = FALSE;
543 int continue_sequence = 1;
544 uschar *continue_transport = NULL;
546 uschar *csa_status = NULL;
548 .callout_hold_only = FALSE, /* verify-only: normal delivery */
549 .delivery = FALSE, /* when to attempt */
550 .defer_pass = FALSE, /* on defer: spool locally */
551 .is_tls = FALSE, /* not a TLS conn yet */
552 .fd = -1, /* open connection */
553 .nrcpt = 0, /* number of addresses */
556 BOOL daemon_listen = FALSE;
557 uschar *daemon_smtp_port = US"smtp";
558 int daemon_startup_retries = 9;
559 int daemon_startup_sleep = 30;
561 #ifdef EXPERIMENTAL_DCC
562 BOOL dcc_direct_add_header = FALSE;
563 uschar *dcc_header = NULL;
564 uschar *dcc_result = NULL;
565 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
566 uschar *dccifd_options = US"header";
569 BOOL debug_daemon = FALSE;
571 FILE *debug_file = NULL;
572 int debug_notall[] = {
576 bit_table debug_options[] = { /* must be in alphabetical order */
580 BIT_TABLE(D, deliver),
584 BIT_TABLE(D, expand),
585 BIT_TABLE(D, filter),
586 BIT_TABLE(D, hints_lookup),
587 BIT_TABLE(D, host_lookup),
589 BIT_TABLE(D, interface),
592 BIT_TABLE(D, local_scan),
593 BIT_TABLE(D, lookup),
594 BIT_TABLE(D, memory),
596 BIT_TABLE(D, process_info),
597 BIT_TABLE(D, queue_run),
598 BIT_TABLE(D, receive),
599 BIT_TABLE(D, resolver),
601 BIT_TABLE(D, rewrite),
603 BIT_TABLE(D, timestamp),
605 BIT_TABLE(D, transport),
607 BIT_TABLE(D, verify),
609 int debug_options_count = nelem(debug_options);
611 unsigned int debug_selector = 0;
612 BOOL debug_store = FALSE;
613 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
614 uschar *delay_warning_condition=
616 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
617 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
618 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
620 BOOL delivery_date_remove = TRUE;
621 uschar *deliver_address_data = NULL;
622 int deliver_datafile = -1;
623 const uschar *deliver_domain = NULL;
624 uschar *deliver_domain_data = NULL;
625 const uschar *deliver_domain_orig = NULL;
626 const uschar *deliver_domain_parent = NULL;
627 BOOL deliver_drop_privilege = FALSE;
628 BOOL deliver_firsttime = FALSE;
629 BOOL deliver_force = FALSE;
630 BOOL deliver_freeze = FALSE;
631 time_t deliver_frozen_at = 0;
632 uschar *deliver_home = NULL;
633 const uschar *deliver_host = NULL;
634 const uschar *deliver_host_address = NULL;
635 int deliver_host_port = 0;
636 uschar *deliver_in_buffer = NULL;
637 ino_t deliver_inode = 0;
638 uschar *deliver_localpart = NULL;
639 uschar *deliver_localpart_data = NULL;
640 uschar *deliver_localpart_orig = NULL;
641 uschar *deliver_localpart_parent = NULL;
642 uschar *deliver_localpart_prefix = NULL;
643 uschar *deliver_localpart_suffix = NULL;
644 BOOL deliver_force_thaw = FALSE;
645 BOOL deliver_manual_thaw = FALSE;
646 uschar *deliver_out_buffer = NULL;
647 int deliver_queue_load_max = -1;
648 address_item *deliver_recipients = NULL;
649 uschar *deliver_selectstring = NULL;
650 BOOL deliver_selectstring_regex = FALSE;
651 uschar *deliver_selectstring_sender = NULL;
652 BOOL deliver_selectstring_sender_regex = FALSE;
653 BOOL disable_callout_flush = FALSE;
654 BOOL disable_delay_flush = FALSE;
655 #ifdef ENABLE_DISABLE_FSYNC
656 BOOL disable_fsync = FALSE;
658 BOOL disable_ipv6 = FALSE;
659 BOOL disable_logging = FALSE;
662 BOOL dkim_collect_input = FALSE;
663 uschar *dkim_cur_signer = NULL;
664 BOOL dkim_disable_verify = FALSE;
665 int dkim_key_length = 0;
666 uschar *dkim_signers = NULL;
667 uschar *dkim_signing_domain = NULL;
668 uschar *dkim_signing_selector = NULL;
669 uschar *dkim_verify_overall = NULL;
670 uschar *dkim_verify_signers = US"$dkim_signers";
671 uschar *dkim_verify_status = NULL;
672 uschar *dkim_verify_reason = NULL;
674 #ifdef EXPERIMENTAL_DMARC
675 BOOL dmarc_has_been_checked = FALSE;
676 uschar *dmarc_ar_header = NULL;
677 uschar *dmarc_domain_policy = NULL;
678 uschar *dmarc_forensic_sender = NULL;
679 uschar *dmarc_history_file = NULL;
680 uschar *dmarc_status = NULL;
681 uschar *dmarc_status_text = NULL;
682 uschar *dmarc_tld_file = NULL;
683 uschar *dmarc_used_domain = NULL;
684 BOOL dmarc_disable_verify = FALSE;
685 BOOL dmarc_enable_forensic = FALSE;
688 uschar *dns_again_means_nonexist = NULL;
689 int dns_csa_search_limit = 5;
690 BOOL dns_csa_use_reverse = TRUE;
692 int dns_dane_ok = -1;
694 uschar *dns_ipv4_lookup = NULL;
697 int dns_dnssec_ok = -1; /* <0 = not coerced */
698 uschar *dns_trust_aa = NULL;
699 int dns_use_edns0 = -1; /* <0 = not coerced */
700 uschar *dnslist_domain = NULL;
701 uschar *dnslist_matched = NULL;
702 uschar *dnslist_text = NULL;
703 uschar *dnslist_value = NULL;
704 tree_node *domainlist_anchor = NULL;
705 int domainlist_count = 0;
706 BOOL dont_deliver = FALSE;
707 BOOL dot_ends = TRUE;
708 BOOL drop_cr = FALSE; /* No longer used */
709 uschar *dsn_from = US DEFAULT_DSN_FROM;
711 BOOL enable_dollar_recipients = FALSE;
712 BOOL envelope_to_remove = TRUE;
713 int errno_quota = ERRNO_QUOTA;
714 uschar *errors_copy = NULL;
715 int error_handling = ERRORS_SENDER;
716 uschar *errors_reply_to = NULL;
717 int errors_sender_rc = EXIT_FAILURE;
718 #ifndef DISABLE_EVENT
719 uschar *event_action = NULL; /* expansion for delivery events */
720 uschar *event_data = NULL; /* auxiliary data variable for event */
721 int event_defer_errno = 0;
722 const uschar *event_name = NULL; /* event name variable */
726 gid_t exim_gid = EXIM_GID;
727 BOOL exim_gid_set = TRUE; /* This gid is always set */
728 uschar *exim_path = US BIN_DIRECTORY "/exim"
729 "\0<---------------Space to patch exim_path->";
730 uid_t exim_uid = EXIM_UID;
731 BOOL exim_uid_set = TRUE; /* This uid is always set */
732 int expand_level = 0; /* Nesting depth, indent for debug */
733 int expand_forbid = 0;
734 int expand_nlength[EXPAND_MAXN+1];
735 int expand_nmax = -1;
736 uschar *expand_nstring[EXPAND_MAXN+1];
737 BOOL expand_string_forcedfail = FALSE;
738 uschar *expand_string_message;
739 BOOL extract_addresses_remove_arguments = TRUE;
740 uschar *extra_local_interfaces = NULL;
742 int fake_response = OK;
743 uschar *fake_response_text = US"Your message has been rejected but is "
744 "being kept for evaluation.\nIf it was a "
745 "legitimate message, it may still be "
746 "delivered to the target recipient(s).";
747 int filter_n[FILTER_VARIABLE_COUNT];
748 BOOL filter_running = FALSE;
749 int filter_sn[FILTER_VARIABLE_COUNT];
750 int filter_test = FTEST_NONE;
751 uschar *filter_test_sfile = NULL;
752 uschar *filter_test_ufile = NULL;
753 uschar *filter_thisaddress = NULL;
754 int finduser_retries = 0;
755 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
756 uschar *freeze_tell = NULL;
757 uschar *freeze_tell_config = NULL;
758 uschar *fudged_queue_times = US"";
760 uschar *gecos_name = NULL;
761 uschar *gecos_pattern = NULL;
762 rewrite_rule *global_rewrite_rules = NULL;
764 uschar *headers_charset = US HEADERS_CHARSET;
765 int header_insert_maxlen = 64 * 1024;
766 header_line *header_last = NULL;
767 header_line *header_list = NULL;
768 int header_maxsize = HEADER_MAXSIZE;
769 int header_line_maxsize = 0;
771 header_name header_names[] = {
772 /* name len allow_resent htype */
773 { US"bcc", 3, TRUE, htype_bcc },
774 { US"cc", 2, TRUE, htype_cc },
775 { US"date", 4, TRUE, htype_date },
776 { US"delivery-date", 13, FALSE, htype_delivery_date },
777 { US"envelope-to", 11, FALSE, htype_envelope_to },
778 { US"from", 4, TRUE, htype_from },
779 { US"message-id", 10, TRUE, htype_id },
780 { US"received", 8, FALSE, htype_received },
781 { US"reply-to", 8, FALSE, htype_reply_to },
782 { US"return-path", 11, FALSE, htype_return_path },
783 { US"sender", 6, TRUE, htype_sender },
784 { US"subject", 7, FALSE, htype_subject },
785 { US"to", 2, TRUE, htype_to }
788 int header_names_size = sizeof(header_names)/sizeof(header_name);
790 BOOL header_rewritten = FALSE;
791 uschar *helo_accept_junk_hosts = NULL;
792 uschar *helo_allow_chars = US"";
793 uschar *helo_lookup_domains = US"@ : @[]";
794 uschar *helo_try_verify_hosts = NULL;
795 BOOL helo_verified = FALSE;
796 BOOL helo_verify_failed = FALSE;
797 uschar *helo_verify_hosts = NULL;
798 const uschar *hex_digits = CUS"0123456789abcdef";
799 uschar *hold_domains = NULL;
800 BOOL host_checking = FALSE;
801 BOOL host_checking_callout = FALSE;
802 uschar *host_data = NULL;
803 BOOL host_find_failed_syntax= FALSE;
804 uschar *host_lookup = NULL;
805 BOOL host_lookup_deferred = FALSE;
806 BOOL host_lookup_failed = FALSE;
807 uschar *host_lookup_order = US"bydns:byaddr";
808 uschar *host_lookup_msg = US"";
810 uschar *host_number_string = NULL;
811 uschar *host_reject_connection = NULL;
812 tree_node *hostlist_anchor = NULL;
813 int hostlist_count = 0;
814 uschar *hosts_treat_as_local = NULL;
815 uschar *hosts_connection_nolog = NULL;
817 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
818 BOOL ignore_fromline_local = FALSE;
819 uschar *ignore_fromline_hosts = NULL;
820 BOOL inetd_wait_mode = FALSE;
821 int inetd_wait_timeout = -1;
822 uschar *initial_cwd = NULL;
823 uschar *interface_address = NULL;
824 int interface_port = -1;
825 BOOL is_inetd = FALSE;
826 uschar *iterate_item = NULL;
830 uschar *keep_environment = NULL;
832 int keep_malformed = 4*24*60*60; /* 4 days */
834 uschar *eldap_dn = NULL;
835 int load_average = -2;
836 BOOL local_error_message = FALSE;
837 BOOL local_from_check = TRUE;
838 uschar *local_from_prefix = NULL;
839 uschar *local_from_suffix = NULL;
842 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
844 uschar *local_interfaces = US"0.0.0.0";
847 uschar *local_scan_data = NULL;
848 int local_scan_timeout = 5*60;
849 BOOL local_sender_retain = FALSE;
850 gid_t local_user_gid = (gid_t)(-1);
851 uid_t local_user_uid = (uid_t)(-1);
853 tree_node *localpartlist_anchor= NULL;
854 int localpartlist_count = 0;
855 uschar *log_buffer = NULL;
857 int log_default[] = { /* for initializing log_selector */
859 Li_connection_reject,
864 Li_host_lookup_failed,
865 Li_lost_incoming_connection,
866 Li_outgoing_interface, /* see d_log_interface in deliver.c */
870 Li_sender_verify_fail,
873 Li_smtp_confirmation,
874 Li_tls_certificate_verified,
879 uschar *log_file_path = US LOG_FILE_PATH
880 "\0<--------------Space to patch log_file_path->";
885 bit_table log_options[] = { /* must be in alphabetical order */
886 BIT_TABLE(L, 8bitmime),
887 BIT_TABLE(L, acl_warn_skipped),
888 BIT_TABLE(L, address_rewrite),
890 BIT_TABLE(L, all_parents),
891 BIT_TABLE(L, arguments),
892 BIT_TABLE(L, connection_reject),
893 BIT_TABLE(L, delay_delivery),
894 BIT_TABLE(L, deliver_time),
895 BIT_TABLE(L, delivery_size),
898 BIT_TABLE(L, dkim_verbose),
900 BIT_TABLE(L, dnslist_defer),
901 BIT_TABLE(L, dnssec),
903 BIT_TABLE(L, host_lookup_failed),
904 BIT_TABLE(L, ident_timeout),
905 BIT_TABLE(L, incoming_interface),
906 BIT_TABLE(L, incoming_port),
907 BIT_TABLE(L, lost_incoming_connection),
908 BIT_TABLE(L, millisec),
909 BIT_TABLE(L, outgoing_interface),
910 BIT_TABLE(L, outgoing_port),
912 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
915 BIT_TABLE(L, queue_run),
916 BIT_TABLE(L, queue_time),
917 BIT_TABLE(L, queue_time_overall),
918 BIT_TABLE(L, receive_time),
919 BIT_TABLE(L, received_recipients),
920 BIT_TABLE(L, received_sender),
921 BIT_TABLE(L, rejected_header),
922 { US"rejected_headers", Li_rejected_header },
923 BIT_TABLE(L, retry_defer),
924 BIT_TABLE(L, return_path_on_delivery),
925 BIT_TABLE(L, sender_on_delivery),
926 BIT_TABLE(L, sender_verify_fail),
927 BIT_TABLE(L, size_reject),
928 BIT_TABLE(L, skip_delivery),
929 BIT_TABLE(L, smtp_confirmation),
930 BIT_TABLE(L, smtp_connection),
931 BIT_TABLE(L, smtp_incomplete_transaction),
932 BIT_TABLE(L, smtp_mailauth),
933 BIT_TABLE(L, smtp_no_mail),
934 BIT_TABLE(L, smtp_protocol_error),
935 BIT_TABLE(L, smtp_syntax_error),
936 BIT_TABLE(L, subject),
937 BIT_TABLE(L, tls_certificate_verified),
938 BIT_TABLE(L, tls_cipher),
939 BIT_TABLE(L, tls_peerdn),
940 BIT_TABLE(L, tls_sni),
941 BIT_TABLE(L, unknown_in_list),
943 int log_options_count = nelem(log_options);
945 int log_reject_target = 0;
946 unsigned int log_selector[log_selector_size]; /* initialized in main() */
947 uschar *log_selector_string = NULL;
948 FILE *log_stderr = NULL;
949 BOOL log_testing_mode = FALSE;
950 BOOL log_timezone = FALSE;
951 uschar *login_sender_address = NULL;
952 uschar *lookup_dnssec_authenticated = NULL;
953 int lookup_open_max = 25;
954 uschar *lookup_value = NULL;
956 macro_item *macros_user = NULL;
957 uschar *mailstore_basename = NULL;
958 #ifdef WITH_CONTENT_SCAN
959 uschar *malware_name = NULL; /* Virus Name */
961 int max_received_linelength= 0;
962 int max_username_length = 0;
964 uschar *message_body = NULL;
965 uschar *message_body_end = NULL;
966 BOOL message_body_newlines = FALSE;
967 int message_body_size = 0;
968 int message_body_visible = 500;
969 int message_ended = END_NOTSTARTED;
970 uschar *message_headers = NULL;
972 uschar *message_id_domain = NULL;
973 uschar *message_id_text = NULL;
974 struct timeval message_id_tv = { 0, 0 };
975 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
976 uschar *message_id_external;
977 int message_linecount = 0;
978 BOOL message_logs = TRUE;
979 int message_size = 0;
980 uschar *message_size_limit = US"50M";
982 BOOL message_smtputf8 = FALSE;
983 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
985 uschar message_subdir[2] = { 0, 0 };
986 uschar *message_reference = NULL;
988 /* MIME ACL expandables */
989 #ifdef WITH_CONTENT_SCAN
990 int mime_anomaly_level = 0;
991 const uschar *mime_anomaly_text = NULL;
992 uschar *mime_boundary = NULL;
993 uschar *mime_charset = NULL;
994 uschar *mime_content_description = NULL;
995 uschar *mime_content_disposition = NULL;
996 uschar *mime_content_id = NULL;
997 unsigned int mime_content_size = 0;
998 uschar *mime_content_transfer_encoding = NULL;
999 uschar *mime_content_type = NULL;
1000 uschar *mime_decoded_filename = NULL;
1001 uschar *mime_filename = NULL;
1002 int mime_is_multipart = 0;
1003 int mime_is_coverletter = 0;
1004 int mime_is_rfc822 = 0;
1005 int mime_part_count = -1;
1008 BOOL mua_wrapper = FALSE;
1010 uid_t *never_users = NULL;
1011 #ifdef WITH_CONTENT_SCAN
1012 BOOL no_mbox_unspool = FALSE;
1014 BOOL no_multiline_responses = FALSE;
1016 const int on = 1; /* for setsockopt */
1019 uid_t original_euid;
1020 gid_t originator_gid;
1021 uschar *originator_login = NULL;
1022 uschar *originator_name = NULL;
1023 uid_t originator_uid;
1024 uschar *override_local_interfaces = NULL;
1025 uschar *override_pid_file_path = NULL;
1027 BOOL parse_allow_group = FALSE;
1028 BOOL parse_found_group = FALSE;
1029 uschar *percent_hack_domains = NULL;
1030 uschar *pid_file_path = US PID_FILE_PATH
1031 "\0<--------------Space to patch pid_file_path->";
1032 BOOL pipelining_enable = TRUE;
1033 uschar *pipelining_advertise_hosts = US"*";
1034 BOOL preserve_message_logs = FALSE;
1035 uschar *primary_hostname = NULL;
1036 BOOL print_topbitchars = FALSE;
1037 uschar process_info[PROCESS_INFO_SIZE];
1038 int process_info_len = 0;
1039 uschar *process_log_path = NULL;
1040 BOOL prod_requires_admin = TRUE;
1042 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1043 uschar *hosts_proxy = US"";
1044 uschar *proxy_external_address = US"";
1045 int proxy_external_port = 0;
1046 uschar *proxy_local_address = US"";
1047 int proxy_local_port = 0;
1048 BOOL proxy_session = FALSE;
1049 BOOL proxy_session_failed = FALSE;
1052 uschar *prvscheck_address = NULL;
1053 uschar *prvscheck_keynum = NULL;
1054 uschar *prvscheck_result = NULL;
1057 const uschar *qualify_domain_recipient = NULL;
1058 uschar *qualify_domain_sender = NULL;
1059 BOOL queue_2stage = FALSE;
1060 uschar *queue_domains = NULL;
1061 int queue_interval = -1;
1062 BOOL queue_list_requires_admin = TRUE;
1063 uschar *queue_name = US"";
1064 BOOL queue_only = FALSE;
1065 uschar *queue_only_file = NULL;
1066 int queue_only_load = -1;
1067 BOOL queue_only_load_latch = TRUE;
1068 BOOL queue_only_override = TRUE;
1069 BOOL queue_only_policy = FALSE;
1070 BOOL queue_run_first_delivery = FALSE;
1071 BOOL queue_run_force = FALSE;
1072 BOOL queue_run_in_order = FALSE;
1073 BOOL queue_run_local = FALSE;
1074 uschar *queue_run_max = US"5";
1075 pid_t queue_run_pid = (pid_t)0;
1076 int queue_run_pipe = -1;
1077 BOOL queue_running = FALSE;
1078 BOOL queue_smtp = FALSE;
1079 uschar *queue_smtp_domains = NULL;
1081 unsigned int random_seed = 0;
1082 tree_node *ratelimiters_cmd = NULL;
1083 tree_node *ratelimiters_conn = NULL;
1084 tree_node *ratelimiters_mail = NULL;
1085 uschar *raw_active_hostname = NULL;
1086 uschar *raw_sender = NULL;
1087 uschar **raw_recipients = NULL;
1088 int raw_recipients_count = 0;
1091 int rcpt_fail_count = 0;
1092 int rcpt_defer_count = 0;
1095 BOOL really_exim = TRUE;
1096 BOOL receive_call_bombout = FALSE;
1097 int receive_linecount = 0;
1098 int receive_messagecount = 0;
1099 int receive_timeout = 0;
1100 int received_count = 0;
1101 uschar *received_for = NULL;
1103 /* This is the default text for Received headers generated by Exim. The
1104 date will be automatically added on the end. */
1106 uschar *received_header_text = US
1108 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1109 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1110 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1111 "by $primary_hostname "
1112 "${if def:received_protocol {with $received_protocol}} "
1114 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1116 "(Exim $version_number)\n\t"
1117 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1118 "id $message_exim_id"
1119 "${if def:received_for {\n\tfor $received_for}}"
1120 "\0<---------------Space to patch received_header_text->";
1122 int received_headers_max = 30;
1123 uschar *received_protocol = NULL;
1124 struct timeval received_time = { 0, 0 };
1125 struct timeval received_time_taken = { 0, 0 };
1126 uschar *recipient_data = NULL;
1127 uschar *recipient_unqualified_hosts = NULL;
1128 uschar *recipient_verify_failure = NULL;
1129 int recipients_count = 0;
1130 BOOL recipients_discarded = FALSE;
1131 recipient_item *recipients_list = NULL;
1132 int recipients_list_max = 0;
1133 int recipients_max = 0;
1134 BOOL recipients_max_reject = FALSE;
1135 const pcre *regex_AUTH = NULL;
1136 const pcre *regex_check_dns_names = NULL;
1137 const pcre *regex_From = NULL;
1138 const pcre *regex_IGNOREQUOTA = NULL;
1139 const pcre *regex_PIPELINING = NULL;
1140 const pcre *regex_SIZE = NULL;
1141 const pcre *regex_ismsgid = NULL;
1142 const pcre *regex_smtp_code = NULL;
1143 uschar *regex_vars[REGEX_VARS];
1144 #ifdef WHITELIST_D_MACROS
1145 const pcre *regex_whitelisted_macro = NULL;
1147 #ifdef WITH_CONTENT_SCAN
1148 uschar *regex_match_string = NULL;
1150 int remote_delivery_count = 0;
1151 int remote_max_parallel = 2;
1152 uschar *remote_sort_domains = NULL;
1153 int retry_data_expire = 7*24*60*60;
1154 int retry_interval_max = 24*60*60;
1155 int retry_maximum_timeout = 0; /* set from retry config */
1156 retry_config *retries = NULL;
1157 uschar *return_path = NULL;
1158 BOOL return_path_remove = TRUE;
1159 int rewrite_existflags = 0;
1160 uschar *rfc1413_hosts = US"@[]";
1161 int rfc1413_query_timeout = 0;
1162 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1163 uid_t root_gid = ROOT_GID;
1164 uid_t root_uid = ROOT_UID;
1166 router_instance *routers = NULL;
1167 router_instance router_defaults = {
1171 .options_block = NULL,
1172 .driver_name = NULL,
1174 .address_data = NULL,
1175 #ifdef EXPERIMENTAL_BRIGHTMAIL
1178 .cannot_route_message = NULL,
1180 .current_directory = NULL,
1181 .debug_string = NULL,
1186 .expand_more = NULL,
1187 .expand_unseen = NULL,
1188 .extra_headers = NULL,
1189 .fallback_hosts = NULL,
1190 .home_directory = NULL,
1191 .ignore_target_hosts = NULL,
1192 .local_parts = NULL,
1193 .pass_router_name = NULL,
1195 .redirect_router_name = NULL,
1196 .remove_headers = NULL,
1197 .require_files = NULL,
1198 .router_home_directory = NULL,
1202 .translate_ip_address = NULL,
1203 .transport_name = NULL,
1205 .address_test = TRUE,
1206 #ifdef EXPERIMENTAL_BRIGHTMAIL
1207 .bmi_deliver_alternate = FALSE,
1208 .bmi_deliver_default = FALSE,
1209 .bmi_dont_deliver = FALSE,
1212 .caseful_local_part = FALSE,
1213 .check_local_user = FALSE,
1214 .disable_logging = FALSE,
1215 .fail_verify_recipient = FALSE,
1216 .fail_verify_sender = FALSE,
1218 .initgroups = FALSE,
1219 .log_as_local = TRUE_UNSET,
1221 .pass_on_timeout = FALSE,
1222 .prefix_optional = FALSE,
1224 .retry_use_local_part = TRUE_UNSET,
1225 .same_domain_copy_routing = FALSE,
1226 .self_rewrite = FALSE,
1227 .suffix_optional = FALSE,
1228 .verify_only = FALSE,
1229 .verify_recipient = TRUE,
1230 .verify_sender = TRUE,
1233 .dsn_lasthop = FALSE,
1235 .self_code = self_freeze,
1239 .fallback_hostlist = NULL,
1241 .pass_router = NULL,
1242 .redirect_router = NULL,
1244 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1247 uschar *router_name = NULL;
1249 ip_address_item *running_interfaces = NULL;
1250 BOOL running_in_test_harness = FALSE;
1252 /* This is a weird one. The following string gets patched in the binary by the
1253 script that sets up a copy of Exim for running in the test harness. It seems
1254 that compilers are now clever, and share constant strings if they can.
1255 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1256 make use of the end of this string in order to save space. So the patching then
1257 wrecks this. We defeat this optimization by adding some additional characters
1258 onto the end of the string. */
1260 uschar *running_status = US">>>running<<<" "\0EXTRA";
1264 uschar *search_error_message = NULL;
1265 BOOL search_find_defer = FALSE;
1266 uschar *self_hostname = NULL;
1267 uschar *sender_address = NULL;
1268 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1269 uschar *sender_address_data = NULL;
1270 BOOL sender_address_forced = FALSE;
1271 uschar *sender_address_unrewritten = NULL;
1272 uschar *sender_data = NULL;
1273 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1274 uschar *sender_fullhost = NULL;
1275 BOOL sender_helo_dnssec = FALSE;
1276 uschar *sender_helo_name = NULL;
1277 uschar **sender_host_aliases = &no_aliases;
1278 uschar *sender_host_address = NULL;
1279 uschar *sender_host_authenticated = NULL;
1280 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1281 BOOL sender_host_dnssec = FALSE;
1282 uschar *sender_host_name = NULL;
1283 int sender_host_port = 0;
1284 BOOL sender_host_notsocket = FALSE;
1285 BOOL sender_host_unknown = FALSE;
1286 uschar *sender_ident = NULL;
1287 BOOL sender_local = FALSE;
1288 BOOL sender_name_forced = FALSE;
1289 uschar *sender_rate = NULL;
1290 uschar *sender_rate_limit = NULL;
1291 uschar *sender_rate_period = NULL;
1292 uschar *sender_rcvhost = NULL;
1293 BOOL sender_set_untrusted = FALSE;
1294 uschar *sender_unqualified_hosts = NULL;
1295 uschar *sender_verify_failure = NULL;
1296 address_item *sender_verified_list = NULL;
1297 address_item *sender_verified_failed = NULL;
1298 int sender_verified_rc = -1;
1299 BOOL sender_verified_responded = FALSE;
1300 uschar *sending_ip_address = NULL;
1301 int sending_port = -1;
1302 SIGNAL_BOOL sigalrm_seen = FALSE;
1303 uschar **sighup_argv = NULL;
1304 int slow_lookup_log = 0; /* millisecs, zero disables */
1305 int smtp_accept_count = 0;
1306 BOOL smtp_accept_keepalive = TRUE;
1307 int smtp_accept_max = 20;
1308 int smtp_accept_max_nonmail= 10;
1309 uschar *smtp_accept_max_nonmail_hosts = US"*";
1310 int smtp_accept_max_per_connection = 1000;
1311 uschar *smtp_accept_max_per_host = NULL;
1312 int smtp_accept_queue = 0;
1313 int smtp_accept_queue_per_connection = 10;
1314 int smtp_accept_reserve = 0;
1315 uschar *smtp_active_hostname = NULL;
1316 BOOL smtp_authenticated = FALSE;
1317 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1318 "Exim $version_number $tod_full"
1319 "\0<---------------Space to patch smtp_banner->";
1320 BOOL smtp_batched_input = FALSE;
1321 BOOL smtp_check_spool_space = TRUE;
1322 int smtp_ch_index = 0;
1323 uschar *smtp_cmd_argument = NULL;
1324 uschar *smtp_cmd_buffer = NULL;
1325 struct timeval smtp_connection_start = {0,0};
1326 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1327 int smtp_connect_backlog = 20;
1328 double smtp_delay_mail = 0.0;
1329 double smtp_delay_rcpt = 0.0;
1330 BOOL smtp_enforce_sync = TRUE;
1331 FILE *smtp_in = NULL;
1332 BOOL smtp_input = FALSE;
1333 int smtp_load_reserve = -1;
1334 int smtp_mailcmd_count = 0;
1335 FILE *smtp_out = NULL;
1336 uschar *smtp_etrn_command = NULL;
1337 BOOL smtp_etrn_serialize = TRUE;
1338 int smtp_max_synprot_errors= 3;
1339 int smtp_max_unknown_commands = 3;
1340 uschar *smtp_notquit_reason = NULL;
1341 uschar *smtp_ratelimit_hosts = NULL;
1342 uschar *smtp_ratelimit_mail = NULL;
1343 uschar *smtp_ratelimit_rcpt = NULL;
1344 uschar *smtp_read_error = US"";
1345 int smtp_receive_timeout = 5*60;
1346 uschar *smtp_receive_timeout_s = NULL;
1347 uschar *smtp_reserve_hosts = NULL;
1348 BOOL smtp_return_error_details = FALSE;
1349 int smtp_rlm_base = 0;
1350 double smtp_rlm_factor = 0.0;
1351 int smtp_rlm_limit = 0;
1352 int smtp_rlm_threshold = INT_MAX;
1353 int smtp_rlr_base = 0;
1354 double smtp_rlr_factor = 0.0;
1355 int smtp_rlr_limit = 0;
1356 int smtp_rlr_threshold = INT_MAX;
1357 unsigned smtp_peer_options = 0;
1358 unsigned smtp_peer_options_wrap= 0;
1360 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1363 #ifdef WITH_CONTENT_SCAN
1364 uschar *spamd_address = US"127.0.0.1 783";
1365 uschar *spam_bar = NULL;
1366 uschar *spam_report = NULL;
1367 uschar *spam_action = NULL;
1368 uschar *spam_score = NULL;
1369 uschar *spam_score_int = NULL;
1372 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1373 uschar *spf_header_comment = NULL;
1374 uschar *spf_received = NULL;
1375 uschar *spf_result = NULL;
1376 uschar *spf_smtp_comment = NULL;
1379 BOOL split_spool_directory = FALSE;
1380 uschar *spool_directory = US SPOOL_DIRECTORY
1381 "\0<--------------Space to patch spool_directory->";
1382 BOOL spool_file_wireformat = FALSE;
1383 BOOL spool_wireformat = FALSE;
1384 #ifdef EXPERIMENTAL_SRS
1385 uschar *srs_config = NULL;
1386 uschar *srs_db_address = NULL;
1387 uschar *srs_db_key = NULL;
1388 int srs_hashlength = 6;
1389 int srs_hashmin = -1;
1390 int srs_maxage = 31;
1391 uschar *srs_orig_recipient = NULL;
1392 uschar *srs_orig_sender = NULL;
1393 uschar *srs_recipient = NULL;
1394 uschar *srs_secrets = NULL;
1395 uschar *srs_status = NULL;
1396 BOOL srs_usehash = TRUE;
1397 BOOL srs_usetimestamp = TRUE;
1399 BOOL strict_acl_vars = FALSE;
1400 int string_datestamp_offset= -1;
1401 int string_datestamp_length= 0;
1402 int string_datestamp_type = -1;
1403 BOOL strip_excess_angle_brackets = FALSE;
1404 BOOL strip_trailing_dot = FALSE;
1405 uschar *submission_domain = NULL;
1406 BOOL submission_mode = FALSE;
1407 uschar *submission_name = NULL;
1408 BOOL suppress_local_fixups = FALSE;
1409 BOOL suppress_local_fixups_default = FALSE;
1410 BOOL synchronous_delivery = FALSE;
1411 BOOL syslog_duplication = TRUE;
1412 int syslog_facility = LOG_MAIL;
1413 BOOL syslog_pid = TRUE;
1414 uschar *syslog_processname = US"exim";
1415 BOOL syslog_timestamp = TRUE;
1416 uschar *system_filter = NULL;
1418 uschar *system_filter_directory_transport = NULL;
1419 uschar *system_filter_file_transport = NULL;
1420 uschar *system_filter_pipe_transport = NULL;
1421 uschar *system_filter_reply_transport = NULL;
1423 gid_t system_filter_gid = 0;
1424 BOOL system_filter_gid_set = FALSE;
1425 uid_t system_filter_uid = (uid_t)-1;
1426 BOOL system_filter_uid_set = FALSE;
1427 BOOL system_filtering = FALSE;
1429 BOOL tcp_fastopen_ok = FALSE;
1430 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1431 BOOL tcp_in_fastopen = FALSE;
1432 BOOL tcp_in_fastopen_logged = FALSE;
1433 BOOL tcp_nodelay = TRUE;
1434 int tcp_out_fastopen = 0;
1435 BOOL tcp_out_fastopen_logged= FALSE;
1436 #ifdef USE_TCP_WRAPPERS
1437 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1439 int test_harness_load_avg = 0;
1440 int thismessage_size_limit = 0;
1441 int timeout_frozen_after = 0;
1442 BOOL timestamps_utc = FALSE;
1444 transport_instance *transports = NULL;
1446 transport_instance transport_defaults = {
1450 .options_block = NULL,
1451 .driver_name = NULL,
1456 .current_dir = NULL,
1457 .expand_multi_domain = NULL,
1458 .multi_domain = TRUE,
1459 .overrides_hosts = FALSE,
1460 .max_addresses = 100,
1461 .connection_max_messages = 500,
1462 .deliver_as_creator = FALSE,
1463 .disable_logging = FALSE,
1464 .initgroups = FALSE,
1471 .warn_message = NULL,
1473 .shadow_condition = NULL,
1474 .filter_command = NULL,
1475 .add_headers = NULL,
1476 .remove_headers = NULL,
1477 .return_path = NULL,
1478 .debug_string = NULL,
1479 .max_parallel = NULL,
1480 .message_size_limit = NULL,
1481 .headers_rewrite = NULL,
1482 .rewrite_rules = NULL,
1483 .rewrite_existflags = 0,
1484 .filter_timeout = 300,
1486 .delivery_date_add = FALSE,
1487 .envelope_to_add = FALSE,
1488 .headers_only = FALSE,
1489 .rcpt_include_affixes = FALSE,
1490 .return_path_add = FALSE,
1491 .return_output = FALSE,
1492 .return_fail_output = FALSE,
1493 .log_output = FALSE,
1494 .log_fail_output = FALSE,
1495 .log_defer_output = FALSE,
1496 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1497 1 nor 0 so can detect unset */
1498 #ifndef DISABLE_EVENT
1499 .event_action = NULL
1503 int transport_count;
1504 uschar *transport_name = NULL;
1505 int transport_newlines;
1506 const uschar **transport_filter_argv = NULL;
1507 int transport_filter_timeout;
1508 BOOL transport_filter_timed_out = FALSE;
1509 int transport_write_timeout= 0;
1511 tree_node *tree_dns_fails = NULL;
1512 tree_node *tree_duplicates = NULL;
1513 tree_node *tree_nonrecipients = NULL;
1514 tree_node *tree_unusable = NULL;
1516 BOOL trusted_caller = FALSE;
1517 BOOL trusted_config = TRUE;
1518 gid_t *trusted_groups = NULL;
1519 uid_t *trusted_users = NULL;
1520 uschar *timezone_string = US TIMEZONE_DEFAULT;
1522 uschar *unknown_login = NULL;
1523 uschar *unknown_username = NULL;
1524 uschar *untrusted_set_sender = NULL;
1526 /* A regex for matching a "From_" line in an incoming message, in the form
1528 From ph10 Fri Jan 5 12:35 GMT 1996
1530 which the "mail" commands send to the MTA (undocumented, of course), or in
1533 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1535 which is apparently used by some UUCPs, despite it not being in RFC 976.
1536 Because of variations in time formats, just match up to the minutes. That
1537 should be sufficient. Examples have been seen of time fields like 12:1:03,
1538 so just require one digit for hours and minutes. The weekday is also absent
1541 uschar *uucp_from_pattern = US
1542 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1543 "(?:" /* Non-extracting bracket */
1544 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1545 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1546 ")" /* End alternation */
1547 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1549 uschar *uucp_from_sender = US"$1";
1551 uschar *verify_mode = NULL;
1552 uschar *version_copyright =
1553 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1554 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1555 uschar *version_date = US"?";
1556 uschar *version_cnumber = US"????";
1557 uschar *version_string = US"?";
1559 uschar *warn_message_file = NULL;
1560 int warning_count = 0;
1561 uschar *warnmsg_delay = NULL;
1562 uschar *warnmsg_recipients = NULL;
1563 BOOL write_rejectlog = TRUE;
1566 /* End of globals.c */