1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* Copyright (c) The Exim Maintainers 2020 */
7 /* See the file NOTICE for conditions of use and distribution. */
9 /* All the global variables are defined together in this one module, so
10 that they are easy to find. */
15 /* Generic options for auths, all of which live inside auth_instance
16 data blocks and hence have the opt_public flag set. */
18 optionlist optionlist_auths[] = {
19 { "client_condition", opt_stringptr | opt_public,
20 OPT_OFF(auth_instance, client_condition) },
21 { "client_set_id", opt_stringptr | opt_public,
22 OPT_OFF(auth_instance, set_client_id) },
23 { "driver", opt_stringptr | opt_public,
24 OPT_OFF(auth_instance, driver_name) },
25 { "public_name", opt_stringptr | opt_public,
26 OPT_OFF(auth_instance, public_name) },
27 { "server_advertise_condition", opt_stringptr | opt_public,
28 OPT_OFF(auth_instance, advertise_condition)},
29 { "server_condition", opt_stringptr | opt_public,
30 OPT_OFF(auth_instance, server_condition) },
31 { "server_debug_print", opt_stringptr | opt_public,
32 OPT_OFF(auth_instance, server_debug_string) },
33 { "server_mail_auth_condition", opt_stringptr | opt_public,
34 OPT_OFF(auth_instance, mail_auth_condition) },
35 { "server_set_id", opt_stringptr | opt_public,
36 OPT_OFF(auth_instance, set_id) }
39 int optionlist_auths_size = nelem(optionlist_auths);
41 /* An empty host aliases list. */
43 uschar *no_aliases = NULL;
46 /* For comments on these variables, see globals.h. I'm too idle to
47 duplicate them here... */
50 uschar *opt_perl_startup = NULL;
51 BOOL opt_perl_at_start = FALSE;
52 BOOL opt_perl_started = FALSE;
53 BOOL opt_perl_taintmode = FALSE;
57 tree_node *dlobj_anchor = NULL;
61 uschar *ibase_servers = NULL;
65 uschar *eldap_ca_cert_dir = NULL;
66 uschar *eldap_ca_cert_file = NULL;
67 uschar *eldap_cert_file = NULL;
68 uschar *eldap_cert_key = NULL;
69 uschar *eldap_cipher_suite = NULL;
70 uschar *eldap_default_servers = NULL;
71 uschar *eldap_require_cert = NULL;
72 int eldap_version = -1;
73 BOOL eldap_start_tls = FALSE;
77 uschar *mysql_servers = NULL;
81 uschar *oracle_servers = NULL;
85 uschar *pgsql_servers = NULL;
89 uschar *redis_servers = NULL;
93 uschar *sqlite_dbfile = NULL;
94 int sqlite_lock_timeout = 5;
97 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
98 BOOL move_frozen_messages = FALSE;
101 /* These variables are outside the #ifdef because it keeps the code less
102 cluttered in several places (e.g. during logging) if we can always refer to
103 them. Also, the tls_ variables are now always visible. Note that these are
104 only used for smtp connections, not for service-daemon access. */
106 tls_support tls_in = {
107 .active = {.sock = -1}
108 /* all other elements zero */
110 tls_support tls_out = {
111 .active = {.sock = -1},
112 /* all other elements zero */
115 uschar *dsn_envid = NULL;
117 const pcre *regex_DSN = NULL;
118 uschar *dsn_advertise_hosts = NULL;
121 BOOL gnutls_compat_mode = FALSE;
122 BOOL gnutls_allow_auto_pkcs11 = FALSE;
123 uschar *openssl_options = NULL;
124 const pcre *regex_STARTTLS = NULL;
125 uschar *tls_advertise_hosts = US"*";
126 uschar *tls_certificate = NULL;
127 uschar *tls_crl = NULL;
128 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
129 that's the interop problem which has been observed: GnuTLS suggesting a higher
130 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
131 int tls_dh_max_bits = 2236;
132 uschar *tls_dhparam = NULL;
133 uschar *tls_eccurve = US"auto";
134 # ifndef DISABLE_OCSP
135 uschar *tls_ocsp_file = NULL;
137 uschar *tls_privatekey = NULL;
138 BOOL tls_remember_esmtp = FALSE;
139 uschar *tls_require_ciphers = NULL;
140 # ifndef DISABLE_TLS_RESUME
141 uschar *tls_resumption_hosts = NULL;
143 uschar *tls_try_verify_hosts = NULL;
144 uschar *tls_verify_certificates= US"system";
145 uschar *tls_verify_hosts = NULL;
146 #else /*DISABLE_TLS*/
147 uschar *tls_advertise_hosts = NULL;
151 /* Per Recipient Data Response variables */
152 BOOL prdr_enable = FALSE;
153 BOOL prdr_requested = FALSE;
154 const pcre *regex_PRDR = NULL;
158 const pcre *regex_UTF8 = NULL;
161 /* Input-reading functions for messages, so we can use special ones for
162 incoming TCP/IP. The defaults use stdin. We never need these for any
163 stand-alone tests. */
165 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
166 int (*lwr_receive_getc)(unsigned) = stdin_getc;
167 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
168 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
169 int (*receive_getc)(unsigned) = stdin_getc;
170 uschar * (*receive_getbuf)(unsigned *) = NULL;
171 void (*receive_get_cache)(void)= NULL;
172 int (*receive_ungetc)(int) = stdin_ungetc;
173 int (*receive_feof)(void) = stdin_feof;
174 int (*receive_ferror)(void) = stdin_ferror;
175 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
179 /* List of per-address expansion variables for clearing and saving/restoring
180 when verifying one address while routing/verifying another. We have to have
181 the size explicit, because it is referenced from more than one module. */
183 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
184 CUSS &deliver_address_data,
185 CUSS &deliver_domain,
186 CUSS &deliver_domain_data,
187 CUSS &deliver_domain_orig,
188 CUSS &deliver_domain_parent,
189 CUSS &deliver_localpart,
190 CUSS &deliver_localpart_data,
191 CUSS &deliver_localpart_orig,
192 CUSS &deliver_localpart_parent,
193 CUSS &deliver_localpart_prefix,
194 CUSS &deliver_localpart_suffix,
195 CUSS (uschar **)(&deliver_recipients),
203 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
205 /******************************************************************************/
206 /* General global variables. Boolean flags are done as a group
207 so that only one bit each is needed, packed, for all those we never
208 need to take a pointer - and only a char for the rest.
209 This means a struct, unfortunately since it clutters the sourcecode. */
211 struct global_flags f =
213 .acl_temp_details = FALSE,
214 .active_local_from_check = FALSE,
215 .active_local_sender_retain = FALSE,
216 .address_test_mode = FALSE,
218 .allow_auth_unadvertised= FALSE,
219 .allow_unqualified_recipient = TRUE, /* For local messages */
220 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
221 .authentication_local = FALSE,
223 .background_daemon = TRUE,
225 .chunking_offered = FALSE,
226 .config_changed = FALSE,
227 .continue_more = FALSE,
229 .daemon_listen = FALSE,
230 .debug_daemon = FALSE,
231 .deliver_firsttime = FALSE,
232 .deliver_force = FALSE,
233 .deliver_freeze = FALSE,
234 .deliver_force_thaw = FALSE,
235 .deliver_manual_thaw = FALSE,
236 .deliver_selectstring_regex = FALSE,
237 .deliver_selectstring_sender_regex = FALSE,
238 .disable_callout_flush = FALSE,
239 .disable_delay_flush = FALSE,
240 .disable_logging = FALSE,
242 .dkim_disable_verify = FALSE,
243 .dkim_init_done = FALSE,
246 .dmarc_has_been_checked = FALSE,
247 .dmarc_disable_verify = FALSE,
248 .dmarc_enable_forensic = FALSE,
250 .dont_deliver = FALSE,
253 .enable_dollar_recipients = FALSE,
254 .expand_string_forcedfail = FALSE,
256 .filter_running = FALSE,
258 .header_rewritten = FALSE,
259 .helo_verified = FALSE,
260 .helo_verify_failed = FALSE,
261 .host_checking_callout = FALSE,
262 .host_find_failed_syntax= FALSE,
264 .inetd_wait_mode = FALSE,
267 .local_error_message = FALSE,
268 .log_testing_mode = FALSE,
270 #ifdef WITH_CONTENT_SCAN
271 .no_mbox_unspool = FALSE,
273 .no_multiline_responses = FALSE,
275 .parse_allow_group = FALSE,
276 .parse_found_group = FALSE,
277 .pipelining_enable = TRUE,
278 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
279 .proxy_session_failed = FALSE,
282 .queue_2stage = FALSE,
283 .queue_only_policy = FALSE,
284 .queue_run_first_delivery = FALSE,
285 .queue_run_force = FALSE,
286 .queue_run_local = FALSE,
287 .queue_running = FALSE,
291 .receive_call_bombout = FALSE,
292 .recipients_discarded = FALSE,
293 .running_in_test_harness = FALSE,
295 .search_find_defer = FALSE,
296 .sender_address_forced = FALSE,
297 .sender_host_notsocket = FALSE,
298 .sender_host_unknown = FALSE,
299 .sender_local = FALSE,
300 .sender_name_forced = FALSE,
301 .sender_set_untrusted = FALSE,
302 .smtp_authenticated = FALSE,
303 #ifndef DISABLE_PIPE_CONNECT
304 .smtp_in_early_pipe_advertised = FALSE,
305 .smtp_in_early_pipe_no_auth = FALSE,
306 .smtp_in_early_pipe_used = FALSE,
308 .smtp_in_pipelining_advertised = FALSE,
309 .smtp_in_pipelining_used = FALSE,
310 .smtp_in_quit = FALSE,
311 .spool_file_wireformat = FALSE,
312 .submission_mode = FALSE,
313 .suppress_local_fixups = FALSE,
314 .suppress_local_fixups_default = FALSE,
315 .synchronous_delivery = FALSE,
316 .system_filtering = FALSE,
318 .taint_check_slow = FALSE,
319 .testsuite_delays = TRUE,
320 .tcp_fastopen_ok = FALSE,
321 .tcp_in_fastopen = FALSE,
322 .tcp_in_fastopen_data = FALSE,
323 .tcp_in_fastopen_logged = FALSE,
324 .tcp_out_fastopen_logged= FALSE,
325 .timestamps_utc = FALSE,
326 .transport_filter_timed_out = FALSE,
327 .trusted_caller = FALSE,
328 .trusted_config = TRUE,
331 /******************************************************************************/
332 /* These are the flags which are either variables or mainsection options,
333 so an address is needed for access, or are exported to local_scan. */
335 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
336 BOOL allow_domain_literals = FALSE;
337 BOOL allow_mx_to_ip = FALSE;
338 BOOL allow_utf8_domains = FALSE;
339 BOOL authentication_failed = FALSE;
341 BOOL bounce_return_body = TRUE;
342 BOOL bounce_return_message = TRUE;
343 BOOL check_rfc2047_length = TRUE;
344 BOOL commandline_checks_require_admin = FALSE;
346 #ifdef EXPERIMENTAL_DCC
347 BOOL dcc_direct_add_header = FALSE;
349 BOOL debug_store = FALSE;
350 BOOL delivery_date_remove = TRUE;
351 BOOL deliver_drop_privilege = FALSE;
352 #ifdef ENABLE_DISABLE_FSYNC
353 BOOL disable_fsync = FALSE;
355 BOOL disable_ipv6 = FALSE;
356 BOOL dns_csa_use_reverse = TRUE;
357 BOOL drop_cr = FALSE; /* No longer used */
359 BOOL envelope_to_remove = TRUE;
360 BOOL exim_gid_set = TRUE; /* This gid is always set */
361 BOOL exim_uid_set = TRUE; /* This uid is always set */
362 BOOL extract_addresses_remove_arguments = TRUE;
364 BOOL host_checking = FALSE;
365 BOOL host_lookup_deferred = FALSE;
366 BOOL host_lookup_failed = FALSE;
367 BOOL ignore_fromline_local = FALSE;
369 BOOL local_from_check = TRUE;
370 BOOL local_sender_retain = FALSE;
371 BOOL log_timezone = FALSE;
372 BOOL message_body_newlines = FALSE;
373 BOOL message_logs = TRUE;
375 BOOL message_smtputf8 = FALSE;
377 BOOL mua_wrapper = FALSE;
379 BOOL preserve_message_logs = FALSE;
380 BOOL print_topbitchars = FALSE;
381 BOOL prod_requires_admin = TRUE;
382 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
383 BOOL proxy_session = FALSE;
386 #ifndef DISABLE_QUEUE_RAMP
387 BOOL queue_fast_ramp = FALSE;
389 BOOL queue_list_requires_admin = TRUE;
390 BOOL queue_only = FALSE;
391 BOOL queue_only_load_latch = TRUE;
392 BOOL queue_only_override = TRUE;
393 BOOL queue_run_in_order = FALSE;
394 BOOL recipients_max_reject = FALSE;
395 BOOL return_path_remove = TRUE;
397 BOOL smtp_batched_input = FALSE;
398 BOOL sender_helo_dnssec = FALSE;
399 BOOL sender_host_dnssec = FALSE;
400 BOOL smtp_accept_keepalive = TRUE;
401 BOOL smtp_check_spool_space = TRUE;
402 BOOL smtp_enforce_sync = TRUE;
403 BOOL smtp_etrn_serialize = TRUE;
404 BOOL smtp_input = FALSE;
405 BOOL smtp_return_error_details = FALSE;
407 BOOL spf_result_guessed = FALSE;
409 BOOL split_spool_directory = FALSE;
410 BOOL spool_wireformat = FALSE;
411 #ifdef EXPERIMENTAL_SRS_ALT
412 BOOL srs_usehash = TRUE;
413 BOOL srs_usetimestamp = TRUE;
415 BOOL strict_acl_vars = FALSE;
416 BOOL strip_excess_angle_brackets = FALSE;
417 BOOL strip_trailing_dot = FALSE;
418 BOOL syslog_duplication = TRUE;
419 BOOL syslog_pid = TRUE;
420 BOOL syslog_timestamp = TRUE;
421 BOOL system_filter_gid_set = FALSE;
422 BOOL system_filter_uid_set = FALSE;
424 BOOL tcp_nodelay = TRUE;
425 BOOL write_rejectlog = TRUE;
427 /******************************************************************************/
429 header_line *acl_added_headers = NULL;
430 tree_node *acl_anchor = NULL;
431 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
432 NULL, NULL, NULL, NULL};
437 uschar *acl_not_smtp = NULL;
438 #ifdef WITH_CONTENT_SCAN
439 uschar *acl_not_smtp_mime = NULL;
441 uschar *acl_not_smtp_start = NULL;
442 uschar *acl_removed_headers = NULL;
443 uschar *acl_smtp_auth = NULL;
444 uschar *acl_smtp_connect = NULL;
445 uschar *acl_smtp_data = NULL;
447 uschar *acl_smtp_data_prdr = US"accept";
450 uschar *acl_smtp_dkim = NULL;
452 uschar *acl_smtp_etrn = NULL;
453 uschar *acl_smtp_expn = NULL;
454 uschar *acl_smtp_helo = NULL;
455 uschar *acl_smtp_mail = NULL;
456 uschar *acl_smtp_mailauth = NULL;
457 #ifdef WITH_CONTENT_SCAN
458 uschar *acl_smtp_mime = NULL;
460 uschar *acl_smtp_notquit = NULL;
461 uschar *acl_smtp_predata = NULL;
462 uschar *acl_smtp_quit = NULL;
463 uschar *acl_smtp_rcpt = NULL;
464 uschar *acl_smtp_starttls = NULL;
465 uschar *acl_smtp_vrfy = NULL;
467 tree_node *acl_var_c = NULL;
468 tree_node *acl_var_m = NULL;
469 uschar *acl_verify_message = NULL;
470 string_item *acl_warn_logged = NULL;
472 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
473 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
475 uschar *acl_wherenames[] = { US"RCPT",
500 uschar *acl_wherecodes[] = { US"550", /* RCPT */
502 US"550", /* PREDATA */
507 US"550", /* RCPT PRDR */
509 US"0", /* not SMTP; not relevant */
511 US"550", /* connect */
514 US"550", /* HELO/EHLO */
515 US"0", /* MAILAUTH; not relevant */
516 US"0", /* not SMTP; not relevant */
517 US"0", /* NOTQUIT; not relevant */
518 US"0", /* QUIT; not relevant */
519 US"550", /* STARTTLS */
521 US"0", /* delivery; not relevant */
522 US"0" /* unknown; not relevant */
525 uschar *add_environment = NULL;
526 address_item *addr_duplicate = NULL;
528 address_item address_defaults = {
533 .start_router = NULL,
538 .fallback_hosts = NULL,
543 .cc_local_part = NULL,
544 .lc_local_part = NULL,
551 .address_retry_key = NULL,
552 .domain_retry_key = NULL,
556 .user_message = NULL,
557 .onetime_parent = NULL,
558 .pipe_expandn = NULL,
559 .return_filename = NULL,
560 .self_hostname = NULL,
561 .shadow_message = NULL,
567 .ocsp = OCSP_NOT_REQ,
569 #ifdef EXPERIMENTAL_DSN_INFO
570 .smtp_greeting = NULL,
571 .helo_response = NULL,
573 .authenticator = NULL,
582 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
583 .localpart_cache = { 0 }, /* localpart_cache - ditto */
586 .delivery_time = {.tv_sec = 0, .tv_usec = 0},
587 .basic_errno = ERRNO_UNKNOWNERROR,
590 .special_action = SPECIAL_NONE,
591 .transport_return = DEFER,
592 .prop = { /* fields that are propagated to children */
593 .address_data = NULL,
595 .localpart_data = NULL,
596 .errors_address = NULL,
597 .extra_headers = NULL,
598 .remove_headers = NULL,
600 #ifdef EXPERIMENTAL_SRS_ALT
603 .ignore_error = FALSE,
606 .utf8_downcvt = FALSE,
607 .utf8_downcvt_maybe = FALSE
612 uschar *address_file = NULL;
613 uschar *address_pipe = NULL;
614 tree_node *addresslist_anchor = NULL;
615 int addresslist_count = 0;
616 gid_t *admin_groups = NULL;
618 #ifdef EXPERIMENTAL_ARC
619 struct arc_set *arc_received = NULL;
620 int arc_received_instance = 0;
621 int arc_oldest_pass = 0;
622 const uschar *arc_state = NULL;
623 const uschar *arc_state_reason = NULL;
626 uschar *authenticated_fail_id = NULL;
627 uschar *authenticated_id = NULL;
628 uschar *authenticated_sender = NULL;
629 auth_instance *auths = NULL;
630 uschar *auth_advertise_hosts = US"*";
631 auth_instance auth_defaults = {
635 .options_block = NULL,
637 .advertise_condition = NULL,
638 .client_condition = NULL,
641 .set_client_id = NULL,
642 .mail_auth_condition = NULL,
643 .server_debug_string = NULL,
644 .server_condition = NULL,
650 uschar *auth_defer_msg = US"reason not recorded";
651 uschar *auth_defer_user_msg = US"";
652 uschar *auth_vars[AUTH_VARS];
654 #ifdef WITH_CONTENT_SCAN
655 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
656 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
660 uschar *base62_chars=
661 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
663 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
666 uschar *bi_command = NULL;
667 uschar *big_buffer = NULL;
668 int big_buffer_size = BIG_BUFFER_SIZE;
669 #ifdef EXPERIMENTAL_BRIGHTMAIL
670 uschar *bmi_alt_location = NULL;
671 uschar *bmi_base64_tracker_verdict = NULL;
672 uschar *bmi_base64_verdict = NULL;
673 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
676 uschar *bmi_verdicts = NULL;
678 int bsmtp_transaction_linecount = 0;
679 int body_8bitmime = 0;
680 int body_linecount = 0;
681 int body_zerocount = 0;
682 uschar *bounce_message_file = NULL;
683 uschar *bounce_message_text = NULL;
684 uschar *bounce_recipient = NULL;
685 int bounce_return_linesize_limit = 998;
686 int bounce_return_size_limit = 100*1024;
687 uschar *bounce_sender_authentication = NULL;
689 uschar *callout_address = NULL;
690 int callout_cache_domain_positive_expire = 7*24*60*60;
691 int callout_cache_domain_negative_expire = 3*60*60;
692 int callout_cache_positive_expire = 24*60*60;
693 int callout_cache_negative_expire = 2*60*60;
694 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
695 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
696 int check_log_inodes = 100;
697 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
698 int check_spool_inodes = 100;
699 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
701 uschar *chunking_advertise_hosts = US"*";
702 unsigned chunking_datasize = 0;
703 unsigned chunking_data_left = 0;
704 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
705 const pcre *regex_CHUNKING = NULL;
707 uschar *client_authenticator = NULL;
708 uschar *client_authenticated_id = NULL;
709 uschar *client_authenticated_sender = NULL;
710 int clmacro_count = 0;
711 uschar *clmacros[MAX_CLMACROS];
712 FILE *config_file = NULL;
713 const uschar *config_filename = NULL;
714 int config_lineno = 0;
715 #ifdef CONFIGURE_GROUP
716 gid_t config_gid = CONFIGURE_GROUP;
718 gid_t config_gid = 0;
720 uschar *config_main_filelist = US CONFIGURE_FILE
721 "\0<-----------Space to patch configure_filename->";
722 uschar *config_main_filename = NULL;
723 uschar *config_main_directory = NULL;
725 #ifdef CONFIGURE_OWNER
726 uid_t config_uid = CONFIGURE_OWNER;
728 uid_t config_uid = 0;
731 int connection_max_messages= -1;
732 uschar *continue_proxy_cipher = NULL;
733 uschar *continue_hostname = NULL;
734 uschar *continue_host_address = NULL;
735 int continue_sequence = 1;
736 uschar *continue_transport = NULL;
738 uschar *csa_status = NULL;
740 .callout_hold_only = FALSE, /* verify-only: normal delivery */
741 .delivery = FALSE, /* when to attempt */
742 .defer_pass = FALSE, /* on defer: spool locally */
743 .is_tls = FALSE, /* not a TLS conn yet */
744 .cctx = {.sock = -1}, /* open connection */
745 .nrcpt = 0, /* number of addresses */
748 int daemon_notifier_fd = -1;
749 uschar *daemon_smtp_port = US"smtp";
750 int daemon_startup_retries = 9;
751 int daemon_startup_sleep = 30;
753 #ifdef EXPERIMENTAL_DCC
754 uschar *dcc_header = NULL;
755 uschar *dcc_result = NULL;
756 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
757 uschar *dccifd_options = US"header";
761 FILE *debug_file = NULL;
762 int debug_notall[] = {
767 bit_table debug_options[] = { /* must be in alphabetical order and use
768 only the enum values from macro.h */
772 BIT_TABLE(D, deliver),
776 BIT_TABLE(D, expand),
777 BIT_TABLE(D, filter),
778 BIT_TABLE(D, hints_lookup),
779 BIT_TABLE(D, host_lookup),
781 BIT_TABLE(D, interface),
784 BIT_TABLE(D, local_scan),
785 BIT_TABLE(D, lookup),
786 BIT_TABLE(D, memory),
787 BIT_TABLE(D, noutf8),
789 BIT_TABLE(D, process_info),
790 BIT_TABLE(D, queue_run),
791 BIT_TABLE(D, receive),
792 BIT_TABLE(D, resolver),
794 BIT_TABLE(D, rewrite),
796 BIT_TABLE(D, timestamp),
798 BIT_TABLE(D, transport),
800 BIT_TABLE(D, verify),
802 int debug_options_count = nelem(debug_options);
804 unsigned int debug_selector = 0;
805 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
806 uschar *delay_warning_condition=
808 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
809 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
810 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
812 uschar *deliver_address_data = NULL;
813 int deliver_datafile = -1;
814 const uschar *deliver_domain = NULL;
815 uschar *deliver_domain_data = NULL;
816 const uschar *deliver_domain_orig = NULL;
817 const uschar *deliver_domain_parent = NULL;
818 time_t deliver_frozen_at = 0;
819 uschar *deliver_home = NULL;
820 const uschar *deliver_host = NULL;
821 const uschar *deliver_host_address = NULL;
822 int deliver_host_port = 0;
823 uschar *deliver_in_buffer = NULL;
824 ino_t deliver_inode = 0;
825 uschar *deliver_localpart = NULL;
826 uschar *deliver_localpart_data = NULL;
827 uschar *deliver_localpart_orig = NULL;
828 uschar *deliver_localpart_parent = NULL;
829 uschar *deliver_localpart_prefix = NULL;
830 uschar *deliver_localpart_prefix_v = NULL;
831 uschar *deliver_localpart_suffix = NULL;
832 uschar *deliver_localpart_suffix_v = NULL;
833 uschar *deliver_out_buffer = NULL;
834 int deliver_queue_load_max = -1;
835 address_item *deliver_recipients = NULL;
836 uschar *deliver_selectstring = NULL;
837 uschar *deliver_selectstring_sender = NULL;
840 unsigned dkim_collect_input = 0;
841 uschar *dkim_cur_signer = NULL;
842 int dkim_key_length = 0;
843 void *dkim_signatures = NULL;
844 uschar *dkim_signers = NULL;
845 uschar *dkim_signing_domain = NULL;
846 uschar *dkim_signing_selector = NULL;
847 uschar *dkim_verify_hashes = US"sha256:sha512";
848 uschar *dkim_verify_keytypes = US"ed25519:rsa";
849 uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
850 BOOL dkim_verify_minimal = FALSE;
851 uschar *dkim_verify_overall = NULL;
852 uschar *dkim_verify_signers = US"$dkim_signers";
853 uschar *dkim_verify_status = NULL;
854 uschar *dkim_verify_reason = NULL;
857 uschar *dmarc_domain_policy = NULL;
858 uschar *dmarc_forensic_sender = NULL;
859 uschar *dmarc_history_file = NULL;
860 uschar *dmarc_status = NULL;
861 uschar *dmarc_status_text = NULL;
862 uschar *dmarc_tld_file = NULL;
863 uschar *dmarc_used_domain = NULL;
866 uschar *dns_again_means_nonexist = NULL;
867 int dns_csa_search_limit = 5;
868 int dns_cname_loops = 1;
870 int dns_dane_ok = -1;
872 uschar *dns_ipv4_lookup = NULL;
875 int dns_dnssec_ok = -1; /* <0 = not coerced */
876 uschar *dns_trust_aa = NULL;
877 int dns_use_edns0 = -1; /* <0 = not coerced */
878 uschar *dnslist_domain = NULL;
879 uschar *dnslist_matched = NULL;
880 uschar *dnslist_text = NULL;
881 uschar *dnslist_value = NULL;
882 tree_node *domainlist_anchor = NULL;
883 int domainlist_count = 0;
884 uschar *dsn_from = US DEFAULT_DSN_FROM;
886 int errno_quota = ERRNO_QUOTA;
887 uschar *errors_copy = NULL;
888 int error_handling = ERRORS_SENDER;
889 uschar *errors_reply_to = NULL;
890 int errors_sender_rc = EXIT_FAILURE;
891 #ifndef DISABLE_EVENT
892 uschar *event_action = NULL; /* expansion for delivery events */
893 uschar *event_data = NULL; /* auxiliary data variable for event */
894 int event_defer_errno = 0;
895 const uschar *event_name = NULL; /* event name variable */
899 gid_t exim_gid = EXIM_GID;
900 uschar *exim_path = US BIN_DIRECTORY "/exim"
901 "\0<---------------Space to patch exim_path->";
902 uid_t exim_uid = EXIM_UID;
903 int expand_level = 0; /* Nesting depth, indent for debug */
904 int expand_forbid = 0;
905 int expand_nlength[EXPAND_MAXN+1];
906 int expand_nmax = -1;
907 uschar *expand_nstring[EXPAND_MAXN+1];
908 uschar *expand_string_message;
909 uschar *extra_local_interfaces = NULL;
911 int fake_response = OK;
912 uschar *fake_response_text = US"Your message has been rejected but is "
913 "being kept for evaluation.\nIf it was a "
914 "legitimate message, it may still be "
915 "delivered to the target recipient(s).";
916 int filter_n[FILTER_VARIABLE_COUNT];
917 int filter_sn[FILTER_VARIABLE_COUNT];
918 int filter_test = FTEST_NONE;
919 uschar *filter_test_sfile = NULL;
920 uschar *filter_test_ufile = NULL;
921 uschar *filter_thisaddress = NULL;
922 int finduser_retries = 0;
923 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
924 uschar *freeze_tell = NULL;
925 uschar *freeze_tell_config = NULL;
926 uschar *fudged_queue_times = US"";
928 uschar *gecos_name = NULL;
929 uschar *gecos_pattern = NULL;
930 rewrite_rule *global_rewrite_rules = NULL;
932 volatile sig_atomic_t had_command_timeout = 0;
933 volatile sig_atomic_t had_command_sigterm = 0;
934 volatile sig_atomic_t had_data_timeout = 0;
935 volatile sig_atomic_t had_data_sigint = 0;
936 uschar *headers_charset = US HEADERS_CHARSET;
937 int header_insert_maxlen = 64 * 1024;
938 header_line *header_last = NULL;
939 header_line *header_list = NULL;
940 int header_maxsize = HEADER_MAXSIZE;
941 int header_line_maxsize = 0;
943 header_name header_names[] = {
944 /* name len allow_resent htype */
945 { US"bcc", 3, TRUE, htype_bcc },
946 { US"cc", 2, TRUE, htype_cc },
947 { US"date", 4, TRUE, htype_date },
948 { US"delivery-date", 13, FALSE, htype_delivery_date },
949 { US"envelope-to", 11, FALSE, htype_envelope_to },
950 { US"from", 4, TRUE, htype_from },
951 { US"message-id", 10, TRUE, htype_id },
952 { US"received", 8, FALSE, htype_received },
953 { US"reply-to", 8, FALSE, htype_reply_to },
954 { US"return-path", 11, FALSE, htype_return_path },
955 { US"sender", 6, TRUE, htype_sender },
956 { US"subject", 7, FALSE, htype_subject },
957 { US"to", 2, TRUE, htype_to }
960 int header_names_size = nelem(header_names);
962 uschar *helo_accept_junk_hosts = NULL;
963 uschar *helo_allow_chars = US"";
964 uschar *helo_lookup_domains = US"@ : @[]";
965 uschar *helo_try_verify_hosts = NULL;
966 uschar *helo_verify_hosts = NULL;
967 const uschar *hex_digits = CUS"0123456789abcdef";
968 uschar *hold_domains = NULL;
969 uschar *host_data = NULL;
970 uschar *host_lookup = NULL;
971 uschar *host_lookup_order = US"bydns:byaddr";
972 uschar *host_lookup_msg = US"";
974 uschar *host_number_string = NULL;
975 uschar *host_reject_connection = NULL;
976 tree_node *hostlist_anchor = NULL;
977 int hostlist_count = 0;
978 uschar *hosts_treat_as_local = NULL;
979 uschar *hosts_connection_nolog = NULL;
981 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
982 uschar *ignore_fromline_hosts = NULL;
983 int inetd_wait_timeout = -1;
984 uschar *initial_cwd = NULL;
985 uschar *interface_address = NULL;
986 int interface_port = -1;
987 uschar *iterate_item = NULL;
991 uschar *keep_environment = NULL;
993 int keep_malformed = 4*24*60*60; /* 4 days */
995 uschar *eldap_dn = NULL;
996 int load_average = -2;
997 uschar *local_from_prefix = NULL;
998 uschar *local_from_suffix = NULL;
1001 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1003 uschar *local_interfaces = US"0.0.0.0";
1006 #ifdef HAVE_LOCAL_SCAN
1007 uschar *local_scan_data = NULL;
1008 int local_scan_timeout = 5*60;
1010 gid_t local_user_gid = (gid_t)(-1);
1011 uid_t local_user_uid = (uid_t)(-1);
1013 tree_node *localpartlist_anchor= NULL;
1014 int localpartlist_count = 0;
1015 uschar *log_buffer = NULL;
1017 int log_default[] = { /* for initializing log_selector */
1018 Li_acl_warn_skipped,
1019 Li_connection_reject,
1024 Li_host_lookup_failed,
1025 Li_lost_incoming_connection,
1026 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1031 Li_sender_verify_fail,
1034 Li_smtp_confirmation,
1035 Li_tls_certificate_verified,
1040 uschar *log_file_path = US LOG_FILE_PATH
1041 "\0<--------------Space to patch log_file_path->";
1043 int log_notall[] = {
1046 bit_table log_options[] = { /* must be in alphabetical order,
1047 with definitions from enum logbit. */
1048 BIT_TABLE(L, 8bitmime),
1049 BIT_TABLE(L, acl_warn_skipped),
1050 BIT_TABLE(L, address_rewrite),
1052 BIT_TABLE(L, all_parents),
1053 BIT_TABLE(L, arguments),
1054 BIT_TABLE(L, connection_reject),
1055 BIT_TABLE(L, delay_delivery),
1056 BIT_TABLE(L, deliver_time),
1057 BIT_TABLE(L, delivery_size),
1058 #ifndef DISABLE_DKIM
1060 BIT_TABLE(L, dkim_verbose),
1062 BIT_TABLE(L, dnslist_defer),
1063 BIT_TABLE(L, dnssec),
1065 BIT_TABLE(L, host_lookup_failed),
1066 BIT_TABLE(L, ident_timeout),
1067 BIT_TABLE(L, incoming_interface),
1068 BIT_TABLE(L, incoming_port),
1069 BIT_TABLE(L, lost_incoming_connection),
1070 BIT_TABLE(L, millisec),
1071 BIT_TABLE(L, msg_id),
1072 BIT_TABLE(L, msg_id_created),
1073 BIT_TABLE(L, outgoing_interface),
1074 BIT_TABLE(L, outgoing_port),
1076 BIT_TABLE(L, pipelining),
1077 BIT_TABLE(L, protocol_detail),
1078 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1079 BIT_TABLE(L, proxy),
1081 BIT_TABLE(L, queue_run),
1082 BIT_TABLE(L, queue_time),
1083 BIT_TABLE(L, queue_time_overall),
1084 BIT_TABLE(L, receive_time),
1085 BIT_TABLE(L, received_recipients),
1086 BIT_TABLE(L, received_sender),
1087 BIT_TABLE(L, rejected_header),
1088 { US"rejected_headers", Li_rejected_header },
1089 BIT_TABLE(L, retry_defer),
1090 BIT_TABLE(L, return_path_on_delivery),
1091 BIT_TABLE(L, sender_on_delivery),
1092 BIT_TABLE(L, sender_verify_fail),
1093 BIT_TABLE(L, size_reject),
1094 BIT_TABLE(L, skip_delivery),
1095 BIT_TABLE(L, smtp_confirmation),
1096 BIT_TABLE(L, smtp_connection),
1097 BIT_TABLE(L, smtp_incomplete_transaction),
1098 BIT_TABLE(L, smtp_mailauth),
1099 BIT_TABLE(L, smtp_no_mail),
1100 BIT_TABLE(L, smtp_protocol_error),
1101 BIT_TABLE(L, smtp_syntax_error),
1102 BIT_TABLE(L, subject),
1103 BIT_TABLE(L, tls_certificate_verified),
1104 BIT_TABLE(L, tls_cipher),
1105 BIT_TABLE(L, tls_peerdn),
1106 BIT_TABLE(L, tls_resumption),
1107 BIT_TABLE(L, tls_sni),
1108 BIT_TABLE(L, unknown_in_list),
1110 int log_options_count = nelem(log_options);
1112 int log_reject_target = 0;
1113 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1114 uschar *log_selector_string = NULL;
1115 FILE *log_stderr = NULL;
1116 uschar *login_sender_address = NULL;
1117 uschar *lookup_dnssec_authenticated = NULL;
1118 int lookup_open_max = 25;
1119 uschar *lookup_value = NULL;
1121 macro_item *macros_user = NULL;
1122 uschar *mailstore_basename = NULL;
1123 #ifdef WITH_CONTENT_SCAN
1124 uschar *malware_name = NULL; /* Virus Name */
1126 int max_received_linelength= 0;
1127 int max_username_length = 0;
1128 int message_age = 0;
1129 uschar *message_body = NULL;
1130 uschar *message_body_end = NULL;
1131 int message_body_size = 0;
1132 int message_body_visible = 500;
1133 int message_ended = END_NOTSTARTED;
1134 uschar *message_headers = NULL;
1136 uschar *message_id_domain = NULL;
1137 uschar *message_id_text = NULL;
1138 struct timeval message_id_tv = { 0, 0 };
1139 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1140 uschar *message_id_external;
1141 int message_linecount = 0;
1142 int message_size = 0;
1143 uschar *message_size_limit = US"50M";
1145 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1147 uschar message_subdir[2] = { 0, 0 };
1148 uschar *message_reference = NULL;
1150 /* MIME ACL expandables */
1151 #ifdef WITH_CONTENT_SCAN
1152 int mime_anomaly_level = 0;
1153 const uschar *mime_anomaly_text = NULL;
1154 uschar *mime_boundary = NULL;
1155 uschar *mime_charset = NULL;
1156 uschar *mime_content_description = NULL;
1157 uschar *mime_content_disposition = NULL;
1158 uschar *mime_content_id = NULL;
1159 unsigned int mime_content_size = 0;
1160 uschar *mime_content_transfer_encoding = NULL;
1161 uschar *mime_content_type = NULL;
1162 uschar *mime_decoded_filename = NULL;
1163 uschar *mime_filename = NULL;
1164 int mime_is_multipart = 0;
1165 int mime_is_coverletter = 0;
1166 int mime_is_rfc822 = 0;
1167 int mime_part_count = -1;
1170 uid_t *never_users = NULL;
1171 uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1173 const int on = 1; /* for setsockopt */
1176 uid_t original_euid;
1177 gid_t originator_gid;
1178 uschar *originator_login = NULL;
1179 uschar *originator_name = NULL;
1180 uid_t originator_uid;
1181 uschar *override_local_interfaces = NULL;
1182 uschar *override_pid_file_path = NULL;
1184 uschar *percent_hack_domains = NULL;
1185 uschar *pid_file_path = US PID_FILE_PATH
1186 "\0<--------------Space to patch pid_file_path->";
1187 #ifndef DISABLE_PIPE_CONNECT
1188 uschar *pipe_connect_advertise_hosts = US"*";
1190 uschar *pipelining_advertise_hosts = US"*";
1191 uschar *primary_hostname = NULL;
1192 uschar *process_info;
1193 int process_info_len = 0;
1194 uschar *process_log_path = NULL;
1195 const uschar *process_purpose = US"fresh-exec";
1197 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1198 uschar *hosts_proxy = NULL;
1199 uschar *proxy_external_address = NULL;
1200 int proxy_external_port = 0;
1201 uschar *proxy_local_address = NULL;
1202 int proxy_local_port = 0;
1205 uschar *prvscheck_address = NULL;
1206 uschar *prvscheck_keynum = NULL;
1207 uschar *prvscheck_result = NULL;
1210 const uschar *qualify_domain_recipient = NULL;
1211 uschar *qualify_domain_sender = NULL;
1212 uschar *queue_domains = NULL;
1213 int queue_interval = -1;
1214 uschar *queue_name = US"";
1215 uschar *queue_name_dest = NULL;
1216 uschar *queue_only_file = NULL;
1217 int queue_only_load = -1;
1218 uschar *queue_run_max = US"5";
1219 pid_t queue_run_pid = (pid_t)0;
1220 int queue_run_pipe = -1;
1221 unsigned queue_size = 0;
1222 time_t queue_size_next = 0;
1223 uschar *queue_smtp_domains = NULL;
1225 uint32_t random_seed = 0;
1226 tree_node *ratelimiters_cmd = NULL;
1227 tree_node *ratelimiters_conn = NULL;
1228 tree_node *ratelimiters_mail = NULL;
1229 uschar *raw_active_hostname = NULL;
1230 uschar *raw_sender = NULL;
1231 uschar **raw_recipients = NULL;
1232 int raw_recipients_count = 0;
1235 int rcpt_fail_count = 0;
1236 int rcpt_defer_count = 0;
1239 int receive_linecount = 0;
1240 int receive_messagecount = 0;
1241 int receive_timeout = 0;
1242 int received_count = 0;
1243 uschar *received_for = NULL;
1245 /* This is the default text for Received headers generated by Exim. The
1246 date will be automatically added on the end. */
1248 uschar *received_header_text = US
1250 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1251 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1252 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1253 "by $primary_hostname "
1254 "${if def:received_protocol {with $received_protocol }}"
1256 "${if def:tls_in_ver { ($tls_in_ver)}}"
1257 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1259 "(Exim $version_number)\n\t"
1260 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1261 "id $message_exim_id"
1262 "${if def:received_for {\n\tfor $received_for}}"
1263 "\0<---------------Space to patch received_header_text->";
1265 int received_headers_max = 30;
1266 uschar *received_protocol = NULL;
1267 struct timeval received_time = { 0, 0 };
1268 struct timeval received_time_taken = { 0, 0 };
1269 uschar *recipient_data = NULL;
1270 uschar *recipient_unqualified_hosts = NULL;
1271 uschar *recipient_verify_failure = NULL;
1272 int recipients_count = 0;
1273 recipient_item *recipients_list = NULL;
1274 int recipients_list_max = 0;
1275 int recipients_max = 0;
1276 const pcre *regex_AUTH = NULL;
1277 const pcre *regex_check_dns_names = NULL;
1278 const pcre *regex_From = NULL;
1279 const pcre *regex_IGNOREQUOTA = NULL;
1280 const pcre *regex_PIPELINING = NULL;
1281 const pcre *regex_SIZE = NULL;
1282 #ifndef DISABLE_PIPE_CONNECT
1283 const pcre *regex_EARLY_PIPE = NULL;
1285 const pcre *regex_ismsgid = NULL;
1286 const pcre *regex_smtp_code = NULL;
1287 uschar *regex_vars[REGEX_VARS];
1288 #ifdef WHITELIST_D_MACROS
1289 const pcre *regex_whitelisted_macro = NULL;
1291 #ifdef WITH_CONTENT_SCAN
1292 uschar *regex_match_string = NULL;
1294 int remote_delivery_count = 0;
1295 int remote_max_parallel = 2;
1296 uschar *remote_sort_domains = NULL;
1297 int retry_data_expire = 7*24*60*60;
1298 int retry_interval_max = 24*60*60;
1299 int retry_maximum_timeout = 0; /* set from retry config */
1300 retry_config *retries = NULL;
1301 uschar *return_path = NULL;
1302 int rewrite_existflags = 0;
1303 uschar *rfc1413_hosts = US"@[]";
1304 int rfc1413_query_timeout = 0;
1305 uid_t root_gid = ROOT_GID;
1306 uid_t root_uid = ROOT_UID;
1308 router_instance *routers = NULL;
1309 router_instance router_defaults = {
1313 .options_block = NULL,
1314 .driver_name = NULL,
1316 .address_data = NULL,
1317 #ifdef EXPERIMENTAL_BRIGHTMAIL
1320 .cannot_route_message = NULL,
1322 .current_directory = NULL,
1323 .debug_string = NULL,
1328 .expand_more = NULL,
1329 .expand_unseen = NULL,
1330 .extra_headers = NULL,
1331 .fallback_hosts = NULL,
1332 .home_directory = NULL,
1333 .ignore_target_hosts = NULL,
1334 .local_parts = NULL,
1335 .pass_router_name = NULL,
1337 .redirect_router_name = NULL,
1338 .remove_headers = NULL,
1339 .require_files = NULL,
1340 .router_home_directory = NULL,
1344 .translate_ip_address = NULL,
1345 .transport_name = NULL,
1347 .address_test = TRUE,
1348 #ifdef EXPERIMENTAL_BRIGHTMAIL
1349 .bmi_deliver_alternate = FALSE,
1350 .bmi_deliver_default = FALSE,
1351 .bmi_dont_deliver = FALSE,
1354 .caseful_local_part = FALSE,
1355 .check_local_user = FALSE,
1356 .disable_logging = FALSE,
1357 .fail_verify_recipient = FALSE,
1358 .fail_verify_sender = FALSE,
1360 .initgroups = FALSE,
1361 .log_as_local = TRUE_UNSET,
1363 .pass_on_timeout = FALSE,
1364 .prefix_optional = FALSE,
1366 .retry_use_local_part = TRUE_UNSET,
1367 .same_domain_copy_routing = FALSE,
1368 .self_rewrite = FALSE,
1370 .suffix_optional = FALSE,
1371 .verify_only = FALSE,
1372 .verify_recipient = TRUE,
1373 .verify_sender = TRUE,
1376 .dsn_lasthop = FALSE,
1378 .self_code = self_freeze,
1382 .fallback_hostlist = NULL,
1384 .pass_router = NULL,
1385 .redirect_router = NULL,
1387 .dnssec = { .request= US"*", .require=NULL },
1390 uschar *router_name = NULL;
1391 tree_node *router_var = NULL;
1393 ip_address_item *running_interfaces = NULL;
1395 /* This is a weird one. The following string gets patched in the binary by the
1396 script that sets up a copy of Exim for running in the test harness. It seems
1397 that compilers are now clever, and share constant strings if they can.
1398 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1399 make use of the end of this string in order to save space. So the patching then
1400 wrecks this. We defeat this optimization by adding some additional characters
1401 onto the end of the string. */
1403 uschar *running_status = US">>>running<<<" "\0EXTRA";
1407 uschar *search_error_message = NULL;
1408 uschar *self_hostname = NULL;
1409 uschar *sender_address = NULL;
1410 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1411 uschar *sender_address_data = NULL;
1412 uschar *sender_address_unrewritten = NULL;
1413 uschar *sender_data = NULL;
1414 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1415 uschar *sender_fullhost = NULL;
1416 uschar *sender_helo_name = NULL;
1417 uschar **sender_host_aliases = &no_aliases;
1418 uschar *sender_host_address = NULL;
1419 uschar *sender_host_authenticated = NULL;
1420 uschar *sender_host_auth_pubname = NULL;
1421 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1422 uschar *sender_host_name = NULL;
1423 int sender_host_port = 0;
1424 uschar *sender_ident = NULL;
1425 uschar *sender_rate = NULL;
1426 uschar *sender_rate_limit = NULL;
1427 uschar *sender_rate_period = NULL;
1428 uschar *sender_rcvhost = NULL;
1429 uschar *sender_unqualified_hosts = NULL;
1430 uschar *sender_verify_failure = NULL;
1431 address_item *sender_verified_list = NULL;
1432 address_item *sender_verified_failed = NULL;
1433 int sender_verified_rc = -1;
1434 uschar *sending_ip_address = NULL;
1435 int sending_port = -1;
1436 SIGNAL_BOOL sigalrm_seen = FALSE;
1437 const uschar *sigalarm_setter = NULL;
1438 uschar **sighup_argv = NULL;
1439 int slow_lookup_log = 0; /* millisecs, zero disables */
1440 int smtp_accept_count = 0;
1441 int smtp_accept_max = 20;
1442 int smtp_accept_max_nonmail= 10;
1443 uschar *smtp_accept_max_nonmail_hosts = US"*";
1444 int smtp_accept_max_per_connection = 1000;
1445 uschar *smtp_accept_max_per_host = NULL;
1446 int smtp_accept_queue = 0;
1447 int smtp_accept_queue_per_connection = 10;
1448 int smtp_accept_reserve = 0;
1449 uschar *smtp_active_hostname = NULL;
1450 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1451 "Exim $version_number $tod_full"
1452 "\0<---------------Space to patch smtp_banner->";
1453 int smtp_ch_index = 0;
1454 uschar *smtp_cmd_argument = NULL;
1455 uschar *smtp_cmd_buffer = NULL;
1456 struct timeval smtp_connection_start = {0,0};
1457 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1458 int smtp_connect_backlog = 20;
1459 double smtp_delay_mail = 0.0;
1460 double smtp_delay_rcpt = 0.0;
1461 FILE *smtp_in = NULL;
1462 int smtp_load_reserve = -1;
1463 int smtp_mailcmd_count = 0;
1464 FILE *smtp_out = NULL;
1465 uschar *smtp_etrn_command = NULL;
1466 int smtp_max_synprot_errors= 3;
1467 int smtp_max_unknown_commands = 3;
1468 uschar *smtp_notquit_reason = NULL;
1469 unsigned smtp_peer_options = 0;
1470 unsigned smtp_peer_options_wrap= 0;
1471 uschar *smtp_ratelimit_hosts = NULL;
1472 uschar *smtp_ratelimit_mail = NULL;
1473 uschar *smtp_ratelimit_rcpt = NULL;
1474 uschar *smtp_read_error = US"";
1475 int smtp_receive_timeout = 5*60;
1476 uschar *smtp_receive_timeout_s = NULL;
1477 uschar *smtp_reserve_hosts = NULL;
1478 int smtp_rlm_base = 0;
1479 double smtp_rlm_factor = 0.0;
1480 int smtp_rlm_limit = 0;
1481 int smtp_rlm_threshold = INT_MAX;
1482 int smtp_rlr_base = 0;
1483 double smtp_rlr_factor = 0.0;
1484 int smtp_rlr_limit = 0;
1485 int smtp_rlr_threshold = INT_MAX;
1487 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1490 #ifdef WITH_CONTENT_SCAN
1491 uschar *spamd_address = US"127.0.0.1 783";
1492 uschar *spam_bar = NULL;
1493 uschar *spam_report = NULL;
1494 uschar *spam_action = NULL;
1495 uschar *spam_score = NULL;
1496 uschar *spam_score_int = NULL;
1499 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1500 uschar *spf_header_comment = NULL;
1501 uschar *spf_received = NULL;
1502 uschar *spf_result = NULL;
1503 uschar *spf_smtp_comment = NULL;
1504 uschar *spf_smtp_comment_template
1505 /* Used to be: "Please%_see%_http://www.open-spf.org/Why?id=%{S}&ip=%{C}&receiver=%{R}" */
1506 = US"Please%_see%_http://www.open-spf.org/Why";
1510 FILE *spool_data_file = NULL;
1511 uschar *spool_directory = US SPOOL_DIRECTORY
1512 "\0<--------------Space to patch spool_directory->";
1513 #ifdef EXPERIMENTAL_SRS_ALT
1514 uschar *srs_config = NULL;
1515 uschar *srs_db_address = NULL;
1516 uschar *srs_db_key = NULL;
1517 int srs_hashlength = 6;
1518 int srs_hashmin = -1;
1519 int srs_maxage = 31;
1520 uschar *srs_orig_recipient = NULL;
1521 uschar *srs_orig_sender = NULL;
1522 uschar *srs_recipient = NULL;
1523 uschar *srs_secrets = NULL;
1524 uschar *srs_status = NULL;
1527 uschar *srs_recipient = NULL;
1529 int string_datestamp_offset= -1;
1530 int string_datestamp_length= 0;
1531 int string_datestamp_type = -1;
1532 uschar *submission_domain = NULL;
1533 uschar *submission_name = NULL;
1534 int syslog_facility = LOG_MAIL;
1535 uschar *syslog_processname = US"exim";
1536 uschar *system_filter = NULL;
1538 uschar *system_filter_directory_transport = NULL;
1539 uschar *system_filter_file_transport = NULL;
1540 uschar *system_filter_pipe_transport = NULL;
1541 uschar *system_filter_reply_transport = NULL;
1543 gid_t system_filter_gid = 0;
1544 uid_t system_filter_uid = (uid_t)-1;
1546 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1547 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1548 #ifdef USE_TCP_WRAPPERS
1549 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1551 int test_harness_load_avg = 0;
1552 int thismessage_size_limit = 0;
1553 int timeout_frozen_after = 0;
1554 #ifdef MEASURE_TIMING
1555 struct timeval timestamp_startup;
1558 transport_instance *transports = NULL;
1560 transport_instance transport_defaults = {
1564 .options_block = NULL,
1565 .driver_name = NULL,
1570 .current_dir = NULL,
1571 .expand_multi_domain = NULL,
1572 .multi_domain = TRUE,
1573 .overrides_hosts = FALSE,
1574 .max_addresses = 100,
1575 .connection_max_messages = 500,
1576 .deliver_as_creator = FALSE,
1577 .disable_logging = FALSE,
1578 .initgroups = FALSE,
1585 .warn_message = NULL,
1587 .shadow_condition = NULL,
1588 .filter_command = NULL,
1589 .add_headers = NULL,
1590 .remove_headers = NULL,
1591 .return_path = NULL,
1592 .debug_string = NULL,
1593 .max_parallel = NULL,
1594 .message_size_limit = NULL,
1595 .headers_rewrite = NULL,
1596 .rewrite_rules = NULL,
1597 .rewrite_existflags = 0,
1598 .filter_timeout = 300,
1600 .delivery_date_add = FALSE,
1601 .envelope_to_add = FALSE,
1602 .headers_only = FALSE,
1603 .rcpt_include_affixes = FALSE,
1604 .return_path_add = FALSE,
1605 .return_output = FALSE,
1606 .return_fail_output = FALSE,
1607 .log_output = FALSE,
1608 .log_fail_output = FALSE,
1609 .log_defer_output = FALSE,
1610 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1611 1 nor 0 so can detect unset */
1612 #ifndef DISABLE_EVENT
1613 .event_action = NULL
1617 int transport_count;
1618 uschar *transport_name = NULL;
1619 int transport_newlines;
1620 const uschar **transport_filter_argv = NULL;
1621 int transport_filter_timeout;
1622 int transport_write_timeout= 0;
1624 tree_node *tree_dns_fails = NULL;
1625 tree_node *tree_duplicates = NULL;
1626 tree_node *tree_nonrecipients = NULL;
1627 tree_node *tree_unusable = NULL;
1629 gid_t *trusted_groups = NULL;
1630 uid_t *trusted_users = NULL;
1631 uschar *timezone_string = US TIMEZONE_DEFAULT;
1633 uschar *unknown_login = NULL;
1634 uschar *unknown_username = NULL;
1635 uschar *untrusted_set_sender = NULL;
1637 /* A regex for matching a "From_" line in an incoming message, in the form
1639 From ph10 Fri Jan 5 12:35 GMT 1996
1641 which the "mail" commands send to the MTA (undocumented, of course), or in
1644 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1646 which is apparently used by some UUCPs, despite it not being in RFC 976.
1647 Because of variations in time formats, just match up to the minutes. That
1648 should be sufficient. Examples have been seen of time fields like 12:1:03,
1649 so just require one digit for hours and minutes. The weekday is also absent
1652 uschar *uucp_from_pattern = US
1653 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1654 "(?:" /* Non-extracting bracket */
1655 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1656 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1657 ")" /* End alternation */
1658 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1660 uschar *uucp_from_sender = US"$1";
1662 uschar *verify_mode = NULL;
1663 uschar *version_copyright =
1664 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1665 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2020";
1666 uschar *version_date = US"?";
1667 uschar *version_cnumber = US"????";
1668 uschar *version_string = US"?";
1670 uschar *warn_message_file = NULL;
1671 int warning_count = 0;
1672 uschar *warnmsg_delay = NULL;
1673 uschar *warnmsg_recipients = NULL;
1676 /* End of globals.c */