1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2017 */
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 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 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. */
186 int (*lwr_receive_getc)(unsigned) = stdin_getc;
187 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
188 int (*receive_getc)(unsigned) = stdin_getc;
189 void (*receive_get_cache)(void)= NULL;
190 int (*receive_ungetc)(int) = stdin_ungetc;
191 int (*receive_feof)(void) = stdin_feof;
192 int (*receive_ferror)(void) = stdin_ferror;
193 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
197 /* List of per-address expansion variables for clearing and saving/restoring
198 when verifying one address while routing/verifying another. We have to have
199 the size explicit, because it is referenced from more than one module. */
201 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
202 CUSS &deliver_address_data,
203 CUSS &deliver_domain,
204 CUSS &deliver_domain_data,
205 CUSS &deliver_domain_orig,
206 CUSS &deliver_domain_parent,
207 CUSS &deliver_localpart,
208 CUSS &deliver_localpart_data,
209 CUSS &deliver_localpart_orig,
210 CUSS &deliver_localpart_parent,
211 CUSS &deliver_localpart_prefix,
212 CUSS &deliver_localpart_suffix,
213 CUSS (uschar **)(&deliver_recipients),
221 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
223 /* General global variables */
225 header_line *acl_added_headers = NULL;
226 tree_node *acl_anchor = NULL;
227 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
228 NULL, NULL, NULL, NULL};
233 uschar *acl_not_smtp = NULL;
234 #ifdef WITH_CONTENT_SCAN
235 uschar *acl_not_smtp_mime = NULL;
237 uschar *acl_not_smtp_start = NULL;
238 uschar *acl_removed_headers = NULL;
239 uschar *acl_smtp_auth = NULL;
240 uschar *acl_smtp_connect = NULL;
241 uschar *acl_smtp_data = NULL;
243 uschar *acl_smtp_data_prdr = US"accept";
246 uschar *acl_smtp_dkim = NULL;
248 uschar *acl_smtp_etrn = NULL;
249 uschar *acl_smtp_expn = NULL;
250 uschar *acl_smtp_helo = NULL;
251 uschar *acl_smtp_mail = NULL;
252 uschar *acl_smtp_mailauth = NULL;
253 #ifdef WITH_CONTENT_SCAN
254 uschar *acl_smtp_mime = NULL;
256 uschar *acl_smtp_notquit = NULL;
257 uschar *acl_smtp_predata = NULL;
258 uschar *acl_smtp_quit = NULL;
259 uschar *acl_smtp_rcpt = NULL;
260 uschar *acl_smtp_starttls = NULL;
261 uschar *acl_smtp_vrfy = NULL;
263 BOOL acl_temp_details = FALSE;
264 tree_node *acl_var_c = NULL;
265 tree_node *acl_var_m = NULL;
266 uschar *acl_verify_message = NULL;
267 string_item *acl_warn_logged = NULL;
269 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
272 uschar *acl_wherenames[] = { US"RCPT",
297 uschar *acl_wherecodes[] = { US"550", /* RCPT */
299 US"550", /* PREDATA */
304 US"550", /* RCPT PRDR */
306 US"0", /* not SMTP; not relevant */
308 US"550", /* connect */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
314 US"0", /* NOTQUIT; not relevant */
315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
318 US"0", /* delivery; not relevant */
319 US"0" /* unknown; not relevant */
322 BOOL active_local_from_check = FALSE;
323 BOOL active_local_sender_retain = FALSE;
324 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
325 uschar *add_environment = NULL;
326 address_item *addr_duplicate = NULL;
328 address_item address_defaults = {
333 NULL, /* start_router */
335 NULL, /* transport */
336 NULL, /* host_list */
337 NULL, /* host_used */
338 NULL, /* fallback_hosts */
343 NULL, /* cc_local_part */
344 NULL, /* lc_local_part */
345 NULL, /* local_part */
349 NULL, /* address_retry_key */
350 NULL, /* domain_retry_key */
351 NULL, /* current_dir */
354 NULL, /* user_message */
355 NULL, /* onetime_parent */
356 NULL, /* pipe_expandn */
357 NULL, /* return_filename */
358 NULL, /* self_hostname */
359 NULL, /* shadow_message */
365 OCSP_NOT_REQ, /* ocsp */
367 #ifdef EXPERIMENTAL_DSN_INFO
368 NULL, /* smtp_greeting */
369 NULL, /* helo_response */
371 NULL, /* authenticator */
373 NULL, /* auth_sndr */
374 NULL, /* dsn_orcpt */
377 (uid_t)(-1), /* uid */
378 (gid_t)(-1), /* gid */
380 { 0 }, /* domain_cache - any larger array should be zeroed */
381 { 0 }, /* localpart_cache - ditto */
384 ERRNO_UNKNOWNERROR, /* basic_errno */
386 -1, /* return_file */
387 SPECIAL_NONE, /* special_action */
388 DEFER, /* transport_return */
389 { /* fields that are propagated to children */
390 NULL, /* address_data */
391 NULL, /* domain_data */
392 NULL, /* localpart_data */
393 NULL, /* errors_address */
394 NULL, /* extra_headers */
395 NULL, /* remove_headers */
396 #ifdef EXPERIMENTAL_SRS
397 NULL, /* srs_sender */
405 uschar *address_file = NULL;
406 uschar *address_pipe = NULL;
407 BOOL address_test_mode = FALSE;
408 tree_node *addresslist_anchor = NULL;
409 int addresslist_count = 0;
410 gid_t *admin_groups = NULL;
411 BOOL admin_user = FALSE;
412 BOOL allow_auth_unadvertised= FALSE;
413 BOOL allow_domain_literals = FALSE;
414 BOOL allow_mx_to_ip = FALSE;
415 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
416 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
417 BOOL allow_utf8_domains = FALSE;
418 uschar *authenticated_fail_id = NULL;
419 uschar *authenticated_id = NULL;
420 uschar *authenticated_sender = NULL;
421 BOOL authentication_failed = FALSE;
422 auth_instance *auths = NULL;
423 uschar *auth_advertise_hosts = US"*";
424 auth_instance auth_defaults = {
425 NULL, /* chain pointer */
428 NULL, /* private options block pointer */
429 NULL, /* driver_name */
430 NULL, /* advertise_condition */
431 NULL, /* client_condition */
432 NULL, /* public_name */
434 NULL, /* set_client_id */
435 NULL, /* server_mail_auth_condition */
436 NULL, /* server_debug_string */
437 NULL, /* server_condition */
440 FALSE /* advertised */
443 uschar *auth_defer_msg = US"reason not recorded";
444 uschar *auth_defer_user_msg = US"";
445 uschar *auth_vars[AUTH_VARS];
447 #ifdef WITH_CONTENT_SCAN
448 BOOL av_failed = FALSE;
449 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
452 BOOL background_daemon = TRUE;
455 uschar *base62_chars=
456 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
458 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
461 uschar *bi_command = NULL;
462 uschar *big_buffer = NULL;
463 int big_buffer_size = BIG_BUFFER_SIZE;
464 #ifdef EXPERIMENTAL_BRIGHTMAIL
465 uschar *bmi_alt_location = NULL;
466 uschar *bmi_base64_tracker_verdict = NULL;
467 uschar *bmi_base64_verdict = NULL;
468 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
471 uschar *bmi_verdicts = NULL;
473 int body_8bitmime = 0;
474 int body_linecount = 0;
475 int body_zerocount = 0;
476 uschar *bounce_message_file = NULL;
477 uschar *bounce_message_text = NULL;
478 uschar *bounce_recipient = NULL;
479 BOOL bounce_return_body = TRUE;
480 int bounce_return_linesize_limit = 998;
481 BOOL bounce_return_message = TRUE;
482 int bounce_return_size_limit = 100*1024;
483 uschar *bounce_sender_authentication = NULL;
484 int bsmtp_transaction_linecount = 0;
486 uschar *callout_address = NULL;
487 int callout_cache_domain_positive_expire = 7*24*60*60;
488 int callout_cache_domain_negative_expire = 3*60*60;
489 int callout_cache_positive_expire = 24*60*60;
490 int callout_cache_negative_expire = 2*60*60;
491 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
492 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
493 int check_log_inodes = 100;
494 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
495 BOOL check_rfc2047_length = TRUE;
496 int check_spool_inodes = 100;
497 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
499 uschar *chunking_advertise_hosts = US"*";
500 unsigned chunking_datasize = 0;
501 unsigned chunking_data_left = 0;
502 BOOL chunking_offered = FALSE;
503 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
504 const pcre *regex_CHUNKING = NULL;
506 uschar *client_authenticator = NULL;
507 uschar *client_authenticated_id = NULL;
508 uschar *client_authenticated_sender = NULL;
509 int clmacro_count = 0;
510 uschar *clmacros[MAX_CLMACROS];
511 BOOL config_changed = FALSE;
512 FILE *config_file = NULL;
513 const uschar *config_filename = NULL;
514 int config_lineno = 0;
515 #ifdef CONFIGURE_GROUP
516 gid_t config_gid = CONFIGURE_GROUP;
518 gid_t config_gid = 0;
520 uschar *config_main_filelist = US CONFIGURE_FILE
521 "\0<-----------Space to patch configure_filename->";
522 uschar *config_main_filename = NULL;
523 uschar *config_main_directory = NULL;
525 #ifdef CONFIGURE_OWNER
526 uid_t config_uid = CONFIGURE_OWNER;
528 uid_t config_uid = 0;
531 int connection_max_messages= -1;
532 uschar *continue_hostname = NULL;
533 uschar *continue_host_address = NULL;
534 BOOL continue_more = FALSE;
535 int continue_sequence = 1;
536 uschar *continue_transport = NULL;
538 uschar *csa_status = NULL;
540 FALSE, /* delivery: when to attempt */
541 FALSE, /* on defer: spool locally */
542 -1, /* fd: open connection */
543 0, /* nrcpt: number of addresses */
546 BOOL daemon_listen = FALSE;
547 uschar *daemon_smtp_port = US"smtp";
548 int daemon_startup_retries = 9;
549 int daemon_startup_sleep = 30;
551 #ifdef EXPERIMENTAL_DCC
552 BOOL dcc_direct_add_header = FALSE;
553 uschar *dcc_header = NULL;
554 uschar *dcc_result = NULL;
555 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
556 uschar *dccifd_options = US"header";
559 BOOL debug_daemon = FALSE;
561 FILE *debug_file = NULL;
562 int debug_notall[] = {
566 bit_table debug_options[] = { /* must be in alphabetical order */
570 BIT_TABLE(D, deliver),
574 BIT_TABLE(D, expand),
575 BIT_TABLE(D, filter),
576 BIT_TABLE(D, hints_lookup),
577 BIT_TABLE(D, host_lookup),
579 BIT_TABLE(D, interface),
582 BIT_TABLE(D, local_scan),
583 BIT_TABLE(D, lookup),
584 BIT_TABLE(D, memory),
586 BIT_TABLE(D, process_info),
587 BIT_TABLE(D, queue_run),
588 BIT_TABLE(D, receive),
589 BIT_TABLE(D, resolver),
591 BIT_TABLE(D, rewrite),
593 BIT_TABLE(D, timestamp),
595 BIT_TABLE(D, transport),
597 BIT_TABLE(D, verify),
599 int debug_options_count = nelem(debug_options);
601 unsigned int debug_selector = 0;
602 BOOL debug_store = FALSE;
603 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
604 uschar *delay_warning_condition=
606 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
607 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
608 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
610 BOOL delivery_date_remove = TRUE;
611 uschar *deliver_address_data = NULL;
612 int deliver_datafile = -1;
613 const uschar *deliver_domain = NULL;
614 uschar *deliver_domain_data = NULL;
615 const uschar *deliver_domain_orig = NULL;
616 const uschar *deliver_domain_parent = NULL;
617 BOOL deliver_drop_privilege = FALSE;
618 BOOL deliver_firsttime = FALSE;
619 BOOL deliver_force = FALSE;
620 BOOL deliver_freeze = FALSE;
621 time_t deliver_frozen_at = 0;
622 uschar *deliver_home = NULL;
623 const uschar *deliver_host = NULL;
624 const uschar *deliver_host_address = NULL;
625 int deliver_host_port = 0;
626 uschar *deliver_in_buffer = NULL;
627 ino_t deliver_inode = 0;
628 uschar *deliver_localpart = NULL;
629 uschar *deliver_localpart_data = NULL;
630 uschar *deliver_localpart_orig = NULL;
631 uschar *deliver_localpart_parent = NULL;
632 uschar *deliver_localpart_prefix = NULL;
633 uschar *deliver_localpart_suffix = NULL;
634 BOOL deliver_force_thaw = FALSE;
635 BOOL deliver_manual_thaw = FALSE;
636 uschar *deliver_out_buffer = NULL;
637 int deliver_queue_load_max = -1;
638 address_item *deliver_recipients = NULL;
639 uschar *deliver_selectstring = NULL;
640 BOOL deliver_selectstring_regex = FALSE;
641 uschar *deliver_selectstring_sender = NULL;
642 BOOL deliver_selectstring_sender_regex = FALSE;
643 BOOL disable_callout_flush = FALSE;
644 BOOL disable_delay_flush = FALSE;
645 #ifdef ENABLE_DISABLE_FSYNC
646 BOOL disable_fsync = FALSE;
648 BOOL disable_ipv6 = FALSE;
649 BOOL disable_logging = FALSE;
652 BOOL dkim_collect_input = FALSE;
653 uschar *dkim_cur_signer = NULL;
654 BOOL dkim_disable_verify = FALSE;
655 int dkim_key_length = 0;
656 uschar *dkim_signers = NULL;
657 uschar *dkim_signing_domain = NULL;
658 uschar *dkim_signing_selector = NULL;
659 uschar *dkim_verify_signers = US"$dkim_signers";
661 #ifdef EXPERIMENTAL_DMARC
662 BOOL dmarc_has_been_checked = FALSE;
663 uschar *dmarc_ar_header = NULL;
664 uschar *dmarc_domain_policy = NULL;
665 uschar *dmarc_forensic_sender = NULL;
666 uschar *dmarc_history_file = NULL;
667 uschar *dmarc_status = NULL;
668 uschar *dmarc_status_text = NULL;
669 uschar *dmarc_tld_file = NULL;
670 uschar *dmarc_used_domain = NULL;
671 BOOL dmarc_disable_verify = FALSE;
672 BOOL dmarc_enable_forensic = FALSE;
675 uschar *dns_again_means_nonexist = NULL;
676 int dns_csa_search_limit = 5;
677 BOOL dns_csa_use_reverse = TRUE;
678 #ifdef EXPERIMENTAL_DANE
679 int dns_dane_ok = -1;
681 uschar *dns_ipv4_lookup = NULL;
684 int dns_dnssec_ok = -1; /* <0 = not coerced */
685 uschar *dns_trust_aa = NULL;
686 int dns_use_edns0 = -1; /* <0 = not coerced */
687 uschar *dnslist_domain = NULL;
688 uschar *dnslist_matched = NULL;
689 uschar *dnslist_text = NULL;
690 uschar *dnslist_value = NULL;
691 tree_node *domainlist_anchor = NULL;
692 int domainlist_count = 0;
693 BOOL dont_deliver = FALSE;
694 BOOL dot_ends = TRUE;
695 BOOL drop_cr = FALSE; /* No longer used */
696 uschar *dsn_from = US DEFAULT_DSN_FROM;
698 BOOL enable_dollar_recipients = FALSE;
699 BOOL envelope_to_remove = TRUE;
700 int errno_quota = ERRNO_QUOTA;
701 uschar *errors_copy = NULL;
702 int error_handling = ERRORS_SENDER;
703 uschar *errors_reply_to = NULL;
704 int errors_sender_rc = EXIT_FAILURE;
705 #ifndef DISABLE_EVENT
706 uschar *event_action = NULL; /* expansion for delivery events */
707 uschar *event_data = NULL; /* auxiliary data variable for event */
708 int event_defer_errno = 0;
709 const uschar *event_name = NULL; /* event name variable */
713 gid_t exim_gid = EXIM_GID;
714 BOOL exim_gid_set = TRUE; /* This gid is always set */
715 uschar *exim_path = US BIN_DIRECTORY "/exim"
716 "\0<---------------Space to patch exim_path->";
717 uid_t exim_uid = EXIM_UID;
718 BOOL exim_uid_set = TRUE; /* This uid is always set */
719 int expand_level = 0; /* Nesting depth, indent for debug */
720 int expand_forbid = 0;
721 int expand_nlength[EXPAND_MAXN+1];
722 int expand_nmax = -1;
723 uschar *expand_nstring[EXPAND_MAXN+1];
724 BOOL expand_string_forcedfail = FALSE;
725 uschar *expand_string_message;
726 BOOL extract_addresses_remove_arguments = TRUE;
727 uschar *extra_local_interfaces = NULL;
729 int fake_response = OK;
730 uschar *fake_response_text = US"Your message has been rejected but is "
731 "being kept for evaluation.\nIf it was a "
732 "legitimate message, it may still be "
733 "delivered to the target recipient(s).";
734 int filter_n[FILTER_VARIABLE_COUNT];
735 BOOL filter_running = FALSE;
736 int filter_sn[FILTER_VARIABLE_COUNT];
737 int filter_test = FTEST_NONE;
738 uschar *filter_test_sfile = NULL;
739 uschar *filter_test_ufile = NULL;
740 uschar *filter_thisaddress = NULL;
741 int finduser_retries = 0;
742 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
743 uschar *freeze_tell = NULL;
744 uschar *freeze_tell_config = NULL;
745 uschar *fudged_queue_times = US"";
747 uschar *gecos_name = NULL;
748 uschar *gecos_pattern = NULL;
749 rewrite_rule *global_rewrite_rules = NULL;
751 uschar *headers_charset = US HEADERS_CHARSET;
752 int header_insert_maxlen = 64 * 1024;
753 header_line *header_last = NULL;
754 header_line *header_list = NULL;
755 int header_maxsize = HEADER_MAXSIZE;
756 int header_line_maxsize = 0;
758 header_name header_names[] = {
759 { US"bcc", 3, TRUE, htype_bcc },
760 { US"cc", 2, TRUE, htype_cc },
761 { US"date", 4, TRUE, htype_date },
762 { US"delivery-date", 13, FALSE, htype_delivery_date },
763 { US"envelope-to", 11, FALSE, htype_envelope_to },
764 { US"from", 4, TRUE, htype_from },
765 { US"message-id", 10, TRUE, htype_id },
766 { US"received", 8, FALSE, htype_received },
767 { US"reply-to", 8, FALSE, htype_reply_to },
768 { US"return-path", 11, FALSE, htype_return_path },
769 { US"sender", 6, TRUE, htype_sender },
770 { US"subject", 7, FALSE, htype_subject },
771 { US"to", 2, TRUE, htype_to }
774 int header_names_size = sizeof(header_names)/sizeof(header_name);
776 BOOL header_rewritten = FALSE;
777 uschar *helo_accept_junk_hosts = NULL;
778 uschar *helo_allow_chars = US"";
779 uschar *helo_lookup_domains = US"@ : @[]";
780 uschar *helo_try_verify_hosts = NULL;
781 BOOL helo_verified = FALSE;
782 BOOL helo_verify_failed = FALSE;
783 uschar *helo_verify_hosts = NULL;
784 const uschar *hex_digits = CUS"0123456789abcdef";
785 uschar *hold_domains = NULL;
786 BOOL host_checking = FALSE;
787 BOOL host_checking_callout = FALSE;
788 uschar *host_data = NULL;
789 BOOL host_find_failed_syntax= FALSE;
790 uschar *host_lookup = NULL;
791 BOOL host_lookup_deferred = FALSE;
792 BOOL host_lookup_failed = FALSE;
793 uschar *host_lookup_order = US"bydns:byaddr";
794 uschar *host_lookup_msg = US"";
796 uschar *host_number_string = NULL;
797 uschar *host_reject_connection = NULL;
798 tree_node *hostlist_anchor = NULL;
799 int hostlist_count = 0;
800 uschar *hosts_treat_as_local = NULL;
801 uschar *hosts_connection_nolog = NULL;
803 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
804 BOOL ignore_fromline_local = FALSE;
805 uschar *ignore_fromline_hosts = NULL;
806 BOOL inetd_wait_mode = FALSE;
807 int inetd_wait_timeout = -1;
808 uschar *initial_cwd = NULL;
809 uschar *interface_address = NULL;
810 int interface_port = -1;
811 BOOL is_inetd = FALSE;
812 uschar *iterate_item = NULL;
816 uschar *keep_environment = NULL;
818 int keep_malformed = 4*24*60*60; /* 4 days */
820 uschar *eldap_dn = NULL;
821 int load_average = -2;
822 BOOL local_error_message = FALSE;
823 BOOL local_from_check = TRUE;
824 uschar *local_from_prefix = NULL;
825 uschar *local_from_suffix = NULL;
828 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
830 uschar *local_interfaces = US"0.0.0.0";
833 uschar *local_scan_data = NULL;
834 int local_scan_timeout = 5*60;
835 BOOL local_sender_retain = FALSE;
836 gid_t local_user_gid = (gid_t)(-1);
837 uid_t local_user_uid = (uid_t)(-1);
839 tree_node *localpartlist_anchor= NULL;
840 int localpartlist_count = 0;
841 uschar *log_buffer = NULL;
843 int log_default[] = { /* for initializing log_selector */
845 Li_connection_reject,
849 Li_host_lookup_failed,
850 Li_lost_incoming_connection,
851 Li_outgoing_interface, /* see d_log_interface in deliver.c */
855 Li_sender_verify_fail,
858 Li_smtp_confirmation,
859 Li_tls_certificate_verified,
864 uschar *log_file_path = US LOG_FILE_PATH
865 "\0<--------------Space to patch log_file_path->";
870 bit_table log_options[] = { /* must be in alphabetical order */
871 BIT_TABLE(L, 8bitmime),
872 BIT_TABLE(L, acl_warn_skipped),
873 BIT_TABLE(L, address_rewrite),
875 BIT_TABLE(L, all_parents),
876 BIT_TABLE(L, arguments),
877 BIT_TABLE(L, connection_reject),
878 BIT_TABLE(L, delay_delivery),
879 BIT_TABLE(L, deliver_time),
880 BIT_TABLE(L, delivery_size),
881 BIT_TABLE(L, dnslist_defer),
882 BIT_TABLE(L, dnssec),
884 BIT_TABLE(L, host_lookup_failed),
885 BIT_TABLE(L, ident_timeout),
886 BIT_TABLE(L, incoming_interface),
887 BIT_TABLE(L, incoming_port),
888 BIT_TABLE(L, lost_incoming_connection),
889 BIT_TABLE(L, outgoing_interface),
890 BIT_TABLE(L, outgoing_port),
892 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
895 BIT_TABLE(L, queue_run),
896 BIT_TABLE(L, queue_time),
897 BIT_TABLE(L, queue_time_overall),
898 BIT_TABLE(L, received_recipients),
899 BIT_TABLE(L, received_sender),
900 BIT_TABLE(L, rejected_header),
901 { US"rejected_headers", Li_rejected_header },
902 BIT_TABLE(L, retry_defer),
903 BIT_TABLE(L, return_path_on_delivery),
904 BIT_TABLE(L, sender_on_delivery),
905 BIT_TABLE(L, sender_verify_fail),
906 BIT_TABLE(L, size_reject),
907 BIT_TABLE(L, skip_delivery),
908 BIT_TABLE(L, smtp_confirmation),
909 BIT_TABLE(L, smtp_connection),
910 BIT_TABLE(L, smtp_incomplete_transaction),
911 BIT_TABLE(L, smtp_mailauth),
912 BIT_TABLE(L, smtp_no_mail),
913 BIT_TABLE(L, smtp_protocol_error),
914 BIT_TABLE(L, smtp_syntax_error),
915 BIT_TABLE(L, subject),
916 BIT_TABLE(L, tls_certificate_verified),
917 BIT_TABLE(L, tls_cipher),
918 BIT_TABLE(L, tls_peerdn),
919 BIT_TABLE(L, tls_sni),
920 BIT_TABLE(L, unknown_in_list),
922 int log_options_count = nelem(log_options);
924 int log_reject_target = 0;
925 unsigned int log_selector[log_selector_size]; /* initialized in main() */
926 uschar *log_selector_string = NULL;
927 FILE *log_stderr = NULL;
928 BOOL log_testing_mode = FALSE;
929 BOOL log_timezone = FALSE;
930 uschar *login_sender_address = NULL;
931 uschar *lookup_dnssec_authenticated = NULL;
932 int lookup_open_max = 25;
933 uschar *lookup_value = NULL;
935 macro_item *macros = NULL;
936 macro_item *mlast = NULL;
937 BOOL macros_builtin_created = FALSE;
938 uschar *mailstore_basename = NULL;
939 #ifdef WITH_CONTENT_SCAN
940 uschar *malware_name = NULL; /* Virus Name */
942 int max_received_linelength= 0;
943 int max_username_length = 0;
945 uschar *message_body = NULL;
946 uschar *message_body_end = NULL;
947 BOOL message_body_newlines = FALSE;
948 int message_body_size = 0;
949 int message_body_visible = 500;
950 int message_ended = END_NOTSTARTED;
951 uschar *message_headers = NULL;
953 uschar *message_id_domain = NULL;
954 uschar *message_id_text = NULL;
955 struct timeval message_id_tv = { 0, 0 };
956 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
957 uschar *message_id_external;
958 int message_linecount = 0;
959 BOOL message_logs = TRUE;
960 int message_size = 0;
961 uschar *message_size_limit = US"50M";
963 BOOL message_smtputf8 = FALSE;
964 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
966 uschar message_subdir[2] = { 0, 0 };
967 uschar *message_reference = NULL;
969 /* MIME ACL expandables */
970 #ifdef WITH_CONTENT_SCAN
971 int mime_anomaly_level = 0;
972 const uschar *mime_anomaly_text = NULL;
973 uschar *mime_boundary = NULL;
974 uschar *mime_charset = NULL;
975 uschar *mime_content_description = NULL;
976 uschar *mime_content_disposition = NULL;
977 uschar *mime_content_id = NULL;
978 unsigned int mime_content_size = 0;
979 uschar *mime_content_transfer_encoding = NULL;
980 uschar *mime_content_type = NULL;
981 uschar *mime_decoded_filename = NULL;
982 uschar *mime_filename = NULL;
983 int mime_is_multipart = 0;
984 int mime_is_coverletter = 0;
985 int mime_is_rfc822 = 0;
986 int mime_part_count = -1;
989 BOOL mua_wrapper = FALSE;
991 uid_t *never_users = NULL;
992 #ifdef WITH_CONTENT_SCAN
993 BOOL no_mbox_unspool = FALSE;
995 BOOL no_multiline_responses = FALSE;
997 const int on = 1; /* for setsockopt */
1000 uid_t original_euid;
1001 gid_t originator_gid;
1002 uschar *originator_login = NULL;
1003 uschar *originator_name = NULL;
1004 uid_t originator_uid;
1005 uschar *override_local_interfaces = NULL;
1006 uschar *override_pid_file_path = NULL;
1008 BOOL parse_allow_group = FALSE;
1009 BOOL parse_found_group = FALSE;
1010 uschar *percent_hack_domains = NULL;
1011 uschar *pid_file_path = US PID_FILE_PATH
1012 "\0<--------------Space to patch pid_file_path->";
1013 BOOL pipelining_enable = TRUE;
1014 uschar *pipelining_advertise_hosts = US"*";
1015 BOOL preserve_message_logs = FALSE;
1016 uschar *primary_hostname = NULL;
1017 BOOL print_topbitchars = FALSE;
1018 uschar process_info[PROCESS_INFO_SIZE];
1019 int process_info_len = 0;
1020 uschar *process_log_path = NULL;
1021 BOOL prod_requires_admin = TRUE;
1023 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1024 uschar *hosts_proxy = US"";
1025 uschar *proxy_external_address = US"";
1026 int proxy_external_port = 0;
1027 uschar *proxy_local_address = US"";
1028 int proxy_local_port = 0;
1029 BOOL proxy_session = FALSE;
1030 BOOL proxy_session_failed = FALSE;
1033 uschar *prvscheck_address = NULL;
1034 uschar *prvscheck_keynum = NULL;
1035 uschar *prvscheck_result = NULL;
1038 const uschar *qualify_domain_recipient = NULL;
1039 uschar *qualify_domain_sender = NULL;
1040 BOOL queue_2stage = FALSE;
1041 uschar *queue_domains = NULL;
1042 int queue_interval = -1;
1043 BOOL queue_list_requires_admin = TRUE;
1044 uschar *queue_name = US"";
1045 BOOL queue_only = FALSE;
1046 uschar *queue_only_file = NULL;
1047 int queue_only_load = -1;
1048 BOOL queue_only_load_latch = TRUE;
1049 BOOL queue_only_override = TRUE;
1050 BOOL queue_only_policy = FALSE;
1051 BOOL queue_run_first_delivery = FALSE;
1052 BOOL queue_run_force = FALSE;
1053 BOOL queue_run_in_order = FALSE;
1054 BOOL queue_run_local = FALSE;
1055 uschar *queue_run_max = US"5";
1056 pid_t queue_run_pid = (pid_t)0;
1057 int queue_run_pipe = -1;
1058 BOOL queue_running = FALSE;
1059 BOOL queue_smtp = FALSE;
1060 uschar *queue_smtp_domains = NULL;
1062 unsigned int random_seed = 0;
1063 tree_node *ratelimiters_cmd = NULL;
1064 tree_node *ratelimiters_conn = NULL;
1065 tree_node *ratelimiters_mail = NULL;
1066 uschar *raw_active_hostname = NULL;
1067 uschar *raw_sender = NULL;
1068 uschar **raw_recipients = NULL;
1069 int raw_recipients_count = 0;
1072 int rcpt_fail_count = 0;
1073 int rcpt_defer_count = 0;
1076 BOOL really_exim = TRUE;
1077 BOOL receive_call_bombout = FALSE;
1078 int receive_linecount = 0;
1079 int receive_messagecount = 0;
1080 int receive_timeout = 0;
1081 int received_count = 0;
1082 uschar *received_for = NULL;
1084 /* This is the default text for Received headers generated by Exim. The
1085 date will be automatically added on the end. */
1087 uschar *received_header_text = US
1089 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1090 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1091 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1092 "by $primary_hostname "
1093 "${if def:received_protocol {with $received_protocol}} "
1095 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1097 "(Exim $version_number)\n\t"
1098 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1099 "id $message_exim_id"
1100 "${if def:received_for {\n\tfor $received_for}}"
1101 "\0<---------------Space to patch received_header_text->";
1103 int received_headers_max = 30;
1104 uschar *received_protocol = NULL;
1105 int received_time = 0;
1106 uschar *recipient_data = NULL;
1107 uschar *recipient_unqualified_hosts = NULL;
1108 uschar *recipient_verify_failure = NULL;
1109 int recipients_count = 0;
1110 BOOL recipients_discarded = FALSE;
1111 recipient_item *recipients_list = NULL;
1112 int recipients_list_max = 0;
1113 int recipients_max = 0;
1114 BOOL recipients_max_reject = FALSE;
1115 const pcre *regex_AUTH = NULL;
1116 const pcre *regex_check_dns_names = NULL;
1117 const pcre *regex_From = NULL;
1118 const pcre *regex_IGNOREQUOTA = NULL;
1119 const pcre *regex_PIPELINING = NULL;
1120 const pcre *regex_SIZE = NULL;
1121 const pcre *regex_ismsgid = NULL;
1122 const pcre *regex_smtp_code = NULL;
1123 uschar *regex_vars[REGEX_VARS];
1124 #ifdef WHITELIST_D_MACROS
1125 const pcre *regex_whitelisted_macro = NULL;
1127 #ifdef WITH_CONTENT_SCAN
1128 uschar *regex_match_string = NULL;
1130 int remote_delivery_count = 0;
1131 int remote_max_parallel = 2;
1132 uschar *remote_sort_domains = NULL;
1133 int retry_data_expire = 7*24*60*60;
1134 int retry_interval_max = 24*60*60;
1135 int retry_maximum_timeout = 0; /* set from retry config */
1136 retry_config *retries = NULL;
1137 uschar *return_path = NULL;
1138 BOOL return_path_remove = TRUE;
1139 int rewrite_existflags = 0;
1140 uschar *rfc1413_hosts = US"@[]";
1141 int rfc1413_query_timeout = 0;
1142 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1143 uid_t root_gid = ROOT_GID;
1144 uid_t root_uid = ROOT_UID;
1146 router_instance *routers = NULL;
1147 router_instance router_defaults = {
1148 NULL, /* chain pointer */
1151 NULL, /* private options block pointer */
1152 NULL, /* driver name */
1154 NULL, /* address_data */
1155 #ifdef EXPERIMENTAL_BRIGHTMAIL
1156 NULL, /* bmi_rule */
1158 NULL, /* cannot_route_message */
1159 NULL, /* condition */
1160 NULL, /* current_directory */
1161 NULL, /* debug_string */
1163 NULL, /* errors_to */
1164 NULL, /* expand_gid */
1165 NULL, /* expand_uid */
1166 NULL, /* expand_more */
1167 NULL, /* expand_unseen */
1168 NULL, /* extra_headers */
1169 NULL, /* fallback_hosts */
1170 NULL, /* home_directory */
1171 NULL, /* ignore_target_hosts */
1172 NULL, /* local_parts */
1173 NULL, /* pass_router_name */
1175 NULL, /* redirect_router_name */
1176 NULL, /* remove_headers */
1177 NULL, /* require_files */
1178 NULL, /* router_home_directory */
1179 US"freeze", /* self */
1182 NULL, /* translate_ip_address */
1183 NULL, /* transport_name */
1185 TRUE, /* address_test */
1186 #ifdef EXPERIMENTAL_BRIGHTMAIL
1187 FALSE, /* bmi_deliver_alternate */
1188 FALSE, /* bmi_deliver_default */
1189 FALSE, /* bmi_dont_deliver */
1192 FALSE, /* caseful_local_part */
1193 FALSE, /* check_local_user */
1194 FALSE, /* disable_logging */
1195 FALSE, /* fail_verify_recipient */
1196 FALSE, /* fail_verify_sender */
1197 FALSE, /* gid_set */
1198 FALSE, /* initgroups */
1199 TRUE_UNSET, /* log_as_local */
1201 FALSE, /* pass_on_timeout */
1202 FALSE, /* prefix_optional */
1203 TRUE, /* repeat_use */
1204 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1205 FALSE, /* same_domain_copy_routing */
1206 FALSE, /* self_rewrite */
1207 FALSE, /* suffix_optional */
1208 FALSE, /* verify_only */
1209 TRUE, /* verify_recipient */
1210 TRUE, /* verify_sender */
1211 FALSE, /* uid_set */
1213 FALSE, /* dsn_lasthop */
1215 self_freeze, /* self_code */
1216 (uid_t)(-1), /* uid */
1217 (gid_t)(-1), /* gid */
1219 NULL, /* fallback_hostlist */
1220 NULL, /* transport instance */
1221 NULL, /* pass_router */
1222 NULL, /* redirect_router */
1224 { NULL, NULL }, /* dnssec_domains {require,request} */
1227 uschar *router_name = NULL;
1229 ip_address_item *running_interfaces = NULL;
1230 BOOL running_in_test_harness = FALSE;
1232 /* This is a weird one. The following string gets patched in the binary by the
1233 script that sets up a copy of Exim for running in the test harness. It seems
1234 that compilers are now clever, and share constant strings if they can.
1235 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1236 make use of the end of this string in order to save space. So the patching then
1237 wrecks this. We defeat this optimization by adding some additional characters
1238 onto the end of the string. */
1240 uschar *running_status = US">>>running<<<" "\0EXTRA";
1244 uschar *search_error_message = NULL;
1245 BOOL search_find_defer = FALSE;
1246 uschar *self_hostname = NULL;
1247 uschar *sender_address = NULL;
1248 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1249 uschar *sender_address_data = NULL;
1250 BOOL sender_address_forced = FALSE;
1251 uschar *sender_address_unrewritten = NULL;
1252 uschar *sender_data = NULL;
1253 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1254 uschar *sender_fullhost = NULL;
1255 BOOL sender_helo_dnssec = FALSE;
1256 uschar *sender_helo_name = NULL;
1257 uschar **sender_host_aliases = &no_aliases;
1258 uschar *sender_host_address = NULL;
1259 uschar *sender_host_authenticated = NULL;
1260 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1261 BOOL sender_host_dnssec = FALSE;
1262 uschar *sender_host_name = NULL;
1263 int sender_host_port = 0;
1264 BOOL sender_host_notsocket = FALSE;
1265 BOOL sender_host_unknown = FALSE;
1266 uschar *sender_ident = NULL;
1267 BOOL sender_local = FALSE;
1268 BOOL sender_name_forced = FALSE;
1269 uschar *sender_rate = NULL;
1270 uschar *sender_rate_limit = NULL;
1271 uschar *sender_rate_period = NULL;
1272 uschar *sender_rcvhost = NULL;
1273 BOOL sender_set_untrusted = FALSE;
1274 uschar *sender_unqualified_hosts = NULL;
1275 uschar *sender_verify_failure = NULL;
1276 address_item *sender_verified_list = NULL;
1277 address_item *sender_verified_failed = NULL;
1278 int sender_verified_rc = -1;
1279 BOOL sender_verified_responded = FALSE;
1280 uschar *sending_ip_address = NULL;
1281 int sending_port = -1;
1282 SIGNAL_BOOL sigalrm_seen = FALSE;
1283 uschar **sighup_argv = NULL;
1284 int slow_lookup_log = 0; /* millisecs, zero disables */
1285 int smtp_accept_count = 0;
1286 BOOL smtp_accept_keepalive = TRUE;
1287 int smtp_accept_max = 20;
1288 int smtp_accept_max_nonmail= 10;
1289 uschar *smtp_accept_max_nonmail_hosts = US"*";
1290 int smtp_accept_max_per_connection = 1000;
1291 uschar *smtp_accept_max_per_host = NULL;
1292 int smtp_accept_queue = 0;
1293 int smtp_accept_queue_per_connection = 10;
1294 int smtp_accept_reserve = 0;
1295 uschar *smtp_active_hostname = NULL;
1296 BOOL smtp_authenticated = FALSE;
1297 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1298 "Exim $version_number $tod_full"
1299 "\0<---------------Space to patch smtp_banner->";
1300 BOOL smtp_batched_input = FALSE;
1301 BOOL smtp_check_spool_space = TRUE;
1302 int smtp_ch_index = 0;
1303 uschar *smtp_cmd_argument = NULL;
1304 uschar *smtp_cmd_buffer = NULL;
1305 time_t smtp_connection_start = 0;
1306 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1307 int smtp_connect_backlog = 20;
1308 double smtp_delay_mail = 0.0;
1309 double smtp_delay_rcpt = 0.0;
1310 BOOL smtp_enforce_sync = TRUE;
1311 FILE *smtp_in = NULL;
1312 BOOL smtp_input = FALSE;
1313 int smtp_load_reserve = -1;
1314 int smtp_mailcmd_count = 0;
1315 FILE *smtp_out = NULL;
1316 uschar *smtp_etrn_command = NULL;
1317 BOOL smtp_etrn_serialize = TRUE;
1318 int smtp_max_synprot_errors= 3;
1319 int smtp_max_unknown_commands = 3;
1320 uschar *smtp_notquit_reason = NULL;
1321 uschar *smtp_ratelimit_hosts = NULL;
1322 uschar *smtp_ratelimit_mail = NULL;
1323 uschar *smtp_ratelimit_rcpt = NULL;
1324 uschar *smtp_read_error = US"";
1325 int smtp_receive_timeout = 5*60;
1326 uschar *smtp_receive_timeout_s = NULL;
1327 uschar *smtp_reserve_hosts = NULL;
1328 BOOL smtp_return_error_details = FALSE;
1329 int smtp_rlm_base = 0;
1330 double smtp_rlm_factor = 0.0;
1331 int smtp_rlm_limit = 0;
1332 int smtp_rlm_threshold = INT_MAX;
1333 int smtp_rlr_base = 0;
1334 double smtp_rlr_factor = 0.0;
1335 int smtp_rlr_limit = 0;
1336 int smtp_rlr_threshold = INT_MAX;
1337 unsigned smtp_peer_options = 0;
1338 unsigned smtp_peer_options_wrap= 0;
1340 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1343 #ifdef WITH_CONTENT_SCAN
1344 uschar *spamd_address = US"127.0.0.1 783";
1345 uschar *spam_bar = NULL;
1346 uschar *spam_report = NULL;
1347 uschar *spam_action = NULL;
1348 uschar *spam_score = NULL;
1349 uschar *spam_score_int = NULL;
1351 #ifdef EXPERIMENTAL_SPF
1352 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1353 uschar *spf_header_comment = NULL;
1354 uschar *spf_received = NULL;
1355 uschar *spf_result = NULL;
1356 uschar *spf_smtp_comment = NULL;
1359 BOOL split_spool_directory = FALSE;
1360 uschar *spool_directory = US SPOOL_DIRECTORY
1361 "\0<--------------Space to patch spool_directory->";
1362 #ifdef EXPERIMENTAL_SRS
1363 uschar *srs_config = NULL;
1364 uschar *srs_db_address = NULL;
1365 uschar *srs_db_key = NULL;
1366 int srs_hashlength = 6;
1367 int srs_hashmin = -1;
1368 int srs_maxage = 31;
1369 uschar *srs_orig_recipient = NULL;
1370 uschar *srs_orig_sender = NULL;
1371 uschar *srs_recipient = NULL;
1372 uschar *srs_secrets = NULL;
1373 uschar *srs_status = NULL;
1374 BOOL srs_usehash = TRUE;
1375 BOOL srs_usetimestamp = TRUE;
1377 BOOL strict_acl_vars = FALSE;
1378 int string_datestamp_offset= -1;
1379 int string_datestamp_length= 0;
1380 int string_datestamp_type = -1;
1381 BOOL strip_excess_angle_brackets = FALSE;
1382 BOOL strip_trailing_dot = FALSE;
1383 uschar *submission_domain = NULL;
1384 BOOL submission_mode = FALSE;
1385 uschar *submission_name = NULL;
1386 BOOL suppress_local_fixups = FALSE;
1387 BOOL suppress_local_fixups_default = FALSE;
1388 BOOL synchronous_delivery = FALSE;
1389 BOOL syslog_duplication = TRUE;
1390 int syslog_facility = LOG_MAIL;
1391 BOOL syslog_pid = TRUE;
1392 uschar *syslog_processname = US"exim";
1393 BOOL syslog_timestamp = TRUE;
1394 uschar *system_filter = NULL;
1396 uschar *system_filter_directory_transport = NULL;
1397 uschar *system_filter_file_transport = NULL;
1398 uschar *system_filter_pipe_transport = NULL;
1399 uschar *system_filter_reply_transport = NULL;
1401 gid_t system_filter_gid = 0;
1402 BOOL system_filter_gid_set = FALSE;
1403 uid_t system_filter_uid = (uid_t)-1;
1404 BOOL system_filter_uid_set = FALSE;
1405 BOOL system_filtering = FALSE;
1407 BOOL tcp_fastopen_ok = FALSE;
1408 BOOL tcp_nodelay = TRUE;
1409 #ifdef USE_TCP_WRAPPERS
1410 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1412 int test_harness_load_avg = 0;
1413 int thismessage_size_limit = 0;
1414 int timeout_frozen_after = 0;
1415 BOOL timestamps_utc = FALSE;
1417 transport_instance *transports = NULL;
1419 transport_instance transport_defaults = {
1420 NULL, /* chain pointer */
1423 NULL, /* private options block pointer */
1424 NULL, /* driver name */
1425 NULL, /* setup entry point */
1427 NULL, /* batch_id */
1428 NULL, /* home_dir */
1429 NULL, /* current_dir */
1430 NULL, /* expand-multi-domain */
1431 TRUE, /* multi-domain */
1432 FALSE, /* overrides_hosts */
1433 100, /* max_addresses */
1434 500, /* connection_max_messages */
1435 FALSE, /* deliver_as_creator */
1436 FALSE, /* disable_logging */
1437 FALSE, /* initgroups */
1438 FALSE, /* uid_set */
1439 FALSE, /* gid_set */
1440 (uid_t)(-1), /* uid */
1441 (gid_t)(-1), /* gid */
1442 NULL, /* expand_uid */
1443 NULL, /* expand_gid */
1444 NULL, /* warn_message */
1446 NULL, /* shadow_condition */
1447 NULL, /* filter_command */
1448 NULL, /* add_headers */
1449 NULL, /* remove_headers */
1450 NULL, /* return_path */
1451 NULL, /* debug_string */
1452 NULL, /* max_parallel */
1453 NULL, /* message_size_limit */
1454 NULL, /* headers_rewrite */
1455 NULL, /* rewrite_rules */
1456 0, /* rewrite_existflags */
1457 300, /* filter_timeout */
1458 FALSE, /* body_only */
1459 FALSE, /* delivery_date_add */
1460 FALSE, /* envelope_to_add */
1461 FALSE, /* headers_only */
1462 FALSE, /* rcpt_include_affixes */
1463 FALSE, /* return_path_add */
1464 FALSE, /* return_output */
1465 FALSE, /* return_fail_output */
1466 FALSE, /* log_output */
1467 FALSE, /* log_fail_output */
1468 FALSE, /* log_defer_output */
1469 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1470 1 nor 0 so can detect unset */
1471 #ifndef DISABLE_EVENT
1472 ,NULL /* event_action */
1476 int transport_count;
1477 uschar *transport_name = NULL;
1478 int transport_newlines;
1479 const uschar **transport_filter_argv = NULL;
1480 int transport_filter_timeout;
1481 BOOL transport_filter_timed_out = FALSE;
1482 int transport_write_timeout= 0;
1484 tree_node *tree_dns_fails = NULL;
1485 tree_node *tree_duplicates = NULL;
1486 tree_node *tree_nonrecipients = NULL;
1487 tree_node *tree_unusable = NULL;
1489 BOOL trusted_caller = FALSE;
1490 BOOL trusted_config = TRUE;
1491 gid_t *trusted_groups = NULL;
1492 uid_t *trusted_users = NULL;
1493 uschar *timezone_string = US TIMEZONE_DEFAULT;
1495 uschar *unknown_login = NULL;
1496 uschar *unknown_username = NULL;
1497 uschar *untrusted_set_sender = NULL;
1499 /* A regex for matching a "From_" line in an incoming message, in the form
1501 From ph10 Fri Jan 5 12:35 GMT 1996
1503 which the "mail" commands send to the MTA (undocumented, of course), or in
1506 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1508 which is apparently used by some UUCPs, despite it not being in RFC 976.
1509 Because of variations in time formats, just match up to the minutes. That
1510 should be sufficient. Examples have been seen of time fields like 12:1:03,
1511 so just require one digit for hours and minutes. The weekday is also absent
1514 uschar *uucp_from_pattern = US
1515 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1516 "(?:" /* Non-extracting bracket */
1517 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1518 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1519 ")" /* End alternation */
1520 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1522 uschar *uucp_from_sender = US"$1";
1524 uschar *verify_mode = NULL;
1525 uschar *version_copyright =
1526 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1527 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1528 uschar *version_date = US"?";
1529 uschar *version_cnumber = US"????";
1530 uschar *version_string = US"?";
1532 uschar *warn_message_file = NULL;
1533 int warning_count = 0;
1534 uschar *warnmsg_delay = NULL;
1535 uschar *warnmsg_recipients = NULL;
1536 BOOL write_rejectlog = TRUE;
1539 /* End of globals.c */
git://git.exim.org / exim.git / blob