1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* Copyright (c) The Exim Maintainers 2020 - 2021 */
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 pcre2_code *regex_DSN = NULL;
118 uschar *dsn_advertise_hosts = NULL;
121 BOOL gnutls_compat_mode = FALSE;
122 BOOL gnutls_allow_auto_pkcs11 = FALSE;
123 uschar *hosts_require_alpn = NULL;
124 uschar *openssl_options = NULL;
125 const pcre2_code *regex_STARTTLS = NULL;
126 uschar *tls_advertise_hosts = US"*";
127 uschar *tls_alpn = US"smtp:esmtp";
128 uschar *tls_certificate = NULL;
129 uschar *tls_crl = NULL;
130 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
131 that's the interop problem which has been observed: GnuTLS suggesting a higher
132 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
133 int tls_dh_max_bits = 2236;
134 uschar *tls_dhparam = NULL;
135 uschar *tls_eccurve = US"auto";
136 # ifndef DISABLE_OCSP
137 uschar *tls_ocsp_file = NULL;
139 uschar *tls_privatekey = NULL;
140 BOOL tls_remember_esmtp = FALSE;
141 uschar *tls_require_ciphers = NULL;
142 # ifndef DISABLE_TLS_RESUME
143 uschar *tls_resumption_hosts = NULL;
145 uschar *tls_try_verify_hosts = NULL;
146 uschar *tls_verify_certificates= US"system";
147 uschar *tls_verify_hosts = NULL;
148 int tls_watch_fd = -1;
149 time_t tls_watch_trigger_time = (time_t)0;
150 #else /*DISABLE_TLS*/
151 uschar *tls_advertise_hosts = NULL;
155 /* Per Recipient Data Response variables */
156 BOOL prdr_enable = FALSE;
157 BOOL prdr_requested = FALSE;
158 const pcre2_code *regex_PRDR = NULL;
162 const pcre2_code *regex_UTF8 = NULL;
165 /* Input-reading functions for messages, so we can use special ones for
166 incoming TCP/IP. The defaults use stdin. We never need these for any
167 stand-alone tests. */
169 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
170 int (*lwr_receive_getc)(unsigned) = stdin_getc;
171 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
172 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
173 BOOL (*lwr_receive_hasc)(void) = stdin_hasc;
175 int (*receive_getc)(unsigned) = stdin_getc;
176 uschar * (*receive_getbuf)(unsigned *) = NULL;
177 void (*receive_get_cache)(unsigned) = NULL;
178 BOOL (*receive_hasc)(void) = stdin_hasc;
179 int (*receive_ungetc)(int) = stdin_ungetc;
180 int (*receive_feof)(void) = stdin_feof;
181 int (*receive_ferror)(void) = stdin_ferror;
185 /* List of per-address expansion variables for clearing and saving/restoring
186 when verifying one address while routing/verifying another. We have to have
187 the size explicit, because it is referenced from more than one module. */
189 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
190 CUSS &deliver_address_data,
191 CUSS &deliver_domain,
192 CUSS &deliver_domain_data,
193 CUSS &deliver_domain_orig,
194 CUSS &deliver_domain_parent,
195 CUSS &deliver_localpart,
196 CUSS &deliver_localpart_data,
197 CUSS &deliver_localpart_orig,
198 CUSS &deliver_localpart_parent,
199 CUSS &deliver_localpart_prefix,
200 CUSS &deliver_localpart_suffix,
201 CUSS (uschar **)(&deliver_recipients),
209 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
211 /******************************************************************************/
212 /* General global variables. Boolean flags are done as a group
213 so that only one bit each is needed, packed, for all those we never
214 need to take a pointer - and only a char for the rest.
215 This means a struct, unfortunately since it clutters the sourcecode. */
217 struct global_flags f =
219 .acl_temp_details = FALSE,
220 .active_local_from_check = FALSE,
221 .active_local_sender_retain = FALSE,
222 .address_test_mode = FALSE,
224 .allow_auth_unadvertised= FALSE,
225 .allow_unqualified_recipient = TRUE, /* For local messages */
226 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
227 .authentication_local = FALSE,
229 .background_daemon = TRUE,
230 .bdat_readers_wanted = FALSE,
232 .chunking_offered = FALSE,
233 .config_changed = FALSE,
234 .continue_more = FALSE,
236 .daemon_listen = FALSE,
237 .debug_daemon = FALSE,
238 .deliver_firsttime = FALSE,
239 .deliver_force = FALSE,
240 .deliver_freeze = FALSE,
241 .deliver_force_thaw = FALSE,
242 .deliver_manual_thaw = FALSE,
243 .deliver_selectstring_regex = FALSE,
244 .deliver_selectstring_sender_regex = FALSE,
245 .disable_callout_flush = FALSE,
246 .disable_delay_flush = FALSE,
247 .disable_logging = FALSE,
249 .dkim_disable_verify = FALSE,
250 .dkim_init_done = FALSE,
253 .dmarc_has_been_checked = FALSE,
254 .dmarc_disable_verify = FALSE,
255 .dmarc_enable_forensic = FALSE,
257 .dont_deliver = FALSE,
260 .enable_dollar_recipients = FALSE,
261 .expand_string_forcedfail = FALSE,
263 .filter_running = FALSE,
265 .header_rewritten = FALSE,
266 .helo_verified = FALSE,
267 .helo_verify_failed = FALSE,
268 .host_checking_callout = FALSE,
269 .host_find_failed_syntax= FALSE,
271 .inetd_wait_mode = FALSE,
274 .local_error_message = FALSE,
275 .log_testing_mode = FALSE,
277 #ifdef WITH_CONTENT_SCAN
278 .no_mbox_unspool = FALSE,
280 .no_multiline_responses = FALSE,
282 .parse_allow_group = FALSE,
283 .parse_found_group = FALSE,
284 .pipelining_enable = TRUE,
285 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
286 .proxy_session_failed = FALSE,
289 .queue_2stage = FALSE,
290 .queue_only_policy = FALSE,
291 .queue_run_first_delivery = FALSE,
292 .queue_run_force = FALSE,
293 .queue_run_local = FALSE,
294 .queue_running = FALSE,
298 .receive_call_bombout = FALSE,
299 .recipients_discarded = FALSE,
300 .running_in_test_harness = FALSE,
302 .search_find_defer = FALSE,
303 .sender_address_forced = FALSE,
304 .sender_host_notsocket = FALSE,
305 .sender_host_unknown = FALSE,
306 .sender_local = FALSE,
307 .sender_name_forced = FALSE,
308 .sender_set_untrusted = FALSE,
309 .smtp_authenticated = FALSE,
310 #ifndef DISABLE_PIPE_CONNECT
311 .smtp_in_early_pipe_advertised = FALSE,
312 .smtp_in_early_pipe_no_auth = FALSE,
313 .smtp_in_early_pipe_used = FALSE,
315 .smtp_in_pipelining_advertised = FALSE,
316 .smtp_in_pipelining_used = FALSE,
317 .smtp_in_quit = FALSE,
318 .spool_file_wireformat = FALSE,
319 .submission_mode = FALSE,
320 .suppress_local_fixups = FALSE,
321 .suppress_local_fixups_default = FALSE,
322 .synchronous_delivery = FALSE,
323 .system_filtering = FALSE,
325 .taint_check_slow = FALSE,
326 .testsuite_delays = TRUE,
327 .tcp_fastopen_ok = FALSE,
328 .tcp_in_fastopen = FALSE,
329 .tcp_in_fastopen_data = FALSE,
330 .tcp_in_fastopen_logged = FALSE,
331 .tcp_out_fastopen_logged= FALSE,
332 .timestamps_utc = FALSE,
333 .transport_filter_timed_out = FALSE,
334 .trusted_caller = FALSE,
335 .trusted_config = TRUE,
338 /******************************************************************************/
339 /* These are the flags which are either variables or mainsection options,
340 so an address is needed for access, or are exported to local_scan. */
342 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
343 BOOL allow_domain_literals = FALSE;
344 BOOL allow_mx_to_ip = FALSE;
345 BOOL allow_utf8_domains = FALSE;
346 BOOL authentication_failed = FALSE;
348 BOOL bounce_return_body = TRUE;
349 BOOL bounce_return_message = TRUE;
350 BOOL check_rfc2047_length = TRUE;
351 BOOL commandline_checks_require_admin = FALSE;
353 #ifdef EXPERIMENTAL_DCC
354 BOOL dcc_direct_add_header = FALSE;
356 BOOL debug_store = FALSE;
357 BOOL delivery_date_remove = TRUE;
358 BOOL deliver_drop_privilege = FALSE;
359 #ifdef ENABLE_DISABLE_FSYNC
360 BOOL disable_fsync = FALSE;
362 BOOL disable_ipv6 = FALSE;
363 BOOL dns_csa_use_reverse = TRUE;
364 BOOL drop_cr = FALSE; /* No longer used */
366 BOOL envelope_to_remove = TRUE;
367 BOOL exim_gid_set = TRUE; /* This gid is always set */
368 BOOL exim_uid_set = TRUE; /* This uid is always set */
369 BOOL extract_addresses_remove_arguments = TRUE;
371 BOOL host_checking = FALSE;
372 BOOL host_lookup_deferred = FALSE;
373 BOOL host_lookup_failed = FALSE;
374 BOOL ignore_fromline_local = FALSE;
376 BOOL local_from_check = TRUE;
377 BOOL local_sender_retain = FALSE;
378 BOOL log_timezone = FALSE;
379 BOOL message_body_newlines = FALSE;
380 BOOL message_logs = TRUE;
382 BOOL message_smtputf8 = FALSE;
384 BOOL mua_wrapper = FALSE;
386 BOOL preserve_message_logs = FALSE;
387 BOOL print_topbitchars = FALSE;
388 BOOL prod_requires_admin = TRUE;
389 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
390 BOOL proxy_session = FALSE;
393 #ifndef DISABLE_QUEUE_RAMP
394 BOOL queue_fast_ramp = FALSE;
396 BOOL queue_list_requires_admin = TRUE;
397 BOOL queue_only = FALSE;
398 BOOL queue_only_load_latch = TRUE;
399 BOOL queue_only_override = TRUE;
400 BOOL queue_run_in_order = FALSE;
401 BOOL recipients_max_reject = FALSE;
402 BOOL return_path_remove = TRUE;
404 BOOL smtp_batched_input = FALSE;
405 BOOL sender_helo_dnssec = FALSE;
406 BOOL sender_host_dnssec = FALSE;
407 BOOL smtp_accept_keepalive = TRUE;
408 BOOL smtp_check_spool_space = TRUE;
409 BOOL smtp_enforce_sync = TRUE;
410 BOOL smtp_etrn_serialize = TRUE;
411 BOOL smtp_input = FALSE;
412 BOOL smtp_return_error_details = FALSE;
414 BOOL spf_result_guessed = FALSE;
416 BOOL split_spool_directory = FALSE;
417 BOOL spool_wireformat = FALSE;
418 BOOL strict_acl_vars = FALSE;
419 BOOL strip_excess_angle_brackets = FALSE;
420 BOOL strip_trailing_dot = FALSE;
421 BOOL syslog_duplication = TRUE;
422 BOOL syslog_pid = TRUE;
423 BOOL syslog_timestamp = TRUE;
424 BOOL system_filter_gid_set = FALSE;
425 BOOL system_filter_uid_set = FALSE;
427 BOOL tcp_nodelay = TRUE;
428 BOOL write_rejectlog = TRUE;
430 /******************************************************************************/
432 header_line *acl_added_headers = NULL;
433 tree_node *acl_anchor = NULL;
434 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
435 NULL, NULL, NULL, NULL};
440 uschar *acl_not_smtp = NULL;
441 #ifdef WITH_CONTENT_SCAN
442 uschar *acl_not_smtp_mime = NULL;
444 uschar *acl_not_smtp_start = NULL;
445 uschar *acl_removed_headers = NULL;
446 uschar *acl_smtp_auth = NULL;
447 uschar *acl_smtp_connect = NULL;
448 uschar *acl_smtp_data = NULL;
450 uschar *acl_smtp_data_prdr = US"accept";
453 uschar *acl_smtp_dkim = NULL;
455 uschar *acl_smtp_etrn = NULL;
456 uschar *acl_smtp_expn = NULL;
457 uschar *acl_smtp_helo = NULL;
458 uschar *acl_smtp_mail = NULL;
459 uschar *acl_smtp_mailauth = NULL;
460 #ifdef WITH_CONTENT_SCAN
461 uschar *acl_smtp_mime = NULL;
463 uschar *acl_smtp_notquit = NULL;
464 uschar *acl_smtp_predata = NULL;
465 uschar *acl_smtp_quit = NULL;
466 uschar *acl_smtp_rcpt = NULL;
467 uschar *acl_smtp_starttls = NULL;
468 uschar *acl_smtp_vrfy = NULL;
470 tree_node *acl_var_c = NULL;
471 tree_node *acl_var_m = NULL;
472 uschar *acl_verify_message = NULL;
473 string_item *acl_warn_logged = NULL;
475 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
476 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
478 uschar *acl_wherenames[] = { US"RCPT",
503 uschar *acl_wherecodes[] = { US"550", /* RCPT */
505 US"550", /* PREDATA */
510 US"550", /* RCPT PRDR */
512 US"0", /* not SMTP; not relevant */
514 US"550", /* connect */
517 US"550", /* HELO/EHLO */
518 US"0", /* MAILAUTH; not relevant */
519 US"0", /* not SMTP; not relevant */
520 US"0", /* NOTQUIT; not relevant */
521 US"0", /* QUIT; not relevant */
522 US"550", /* STARTTLS */
524 US"0", /* delivery; not relevant */
525 US"0" /* unknown; not relevant */
528 uschar *add_environment = NULL;
529 address_item *addr_duplicate = NULL;
531 address_item address_defaults = {
536 .start_router = NULL,
541 .fallback_hosts = NULL,
546 .cc_local_part = NULL,
547 .lc_local_part = NULL,
554 .address_retry_key = NULL,
555 .domain_retry_key = NULL,
559 .user_message = NULL,
560 .onetime_parent = NULL,
561 .pipe_expandn = NULL,
562 .return_filename = NULL,
563 .self_hostname = NULL,
564 .shadow_message = NULL,
570 .ocsp = OCSP_NOT_REQ,
572 #ifdef EXPERIMENTAL_DSN_INFO
573 .smtp_greeting = NULL,
574 .helo_response = NULL,
576 .authenticator = NULL,
585 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
586 .localpart_cache = { 0 }, /* localpart_cache - ditto */
589 .delivery_time = {.tv_sec = 0, .tv_usec = 0},
590 .basic_errno = ERRNO_UNKNOWNERROR,
593 .special_action = SPECIAL_NONE,
594 .transport_return = DEFER,
595 .prop = { /* fields that are propagated to children */
596 .address_data = NULL,
598 .localpart_data = NULL,
599 .errors_address = NULL,
600 .extra_headers = NULL,
601 .remove_headers = NULL,
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 const uschar *auth_vars[AUTH_VARS];
653 uschar *authenticator_name = NULL;
655 #ifdef WITH_CONTENT_SCAN
656 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
657 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
661 uschar *base62_chars=
662 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
664 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
667 uschar *bi_command = NULL;
668 uschar *big_buffer = NULL;
669 int big_buffer_size = BIG_BUFFER_SIZE;
670 #ifdef EXPERIMENTAL_BRIGHTMAIL
671 uschar *bmi_alt_location = NULL;
672 uschar *bmi_base64_tracker_verdict = NULL;
673 uschar *bmi_base64_verdict = NULL;
674 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
677 uschar *bmi_verdicts = NULL;
679 int bsmtp_transaction_linecount = 0;
680 int body_8bitmime = 0;
681 int body_linecount = 0;
682 int body_zerocount = 0;
683 uschar *bounce_message_file = NULL;
684 uschar *bounce_message_text = NULL;
685 uschar *bounce_recipient = NULL;
686 int bounce_return_linesize_limit = 998;
687 int bounce_return_size_limit = 100*1024;
688 uschar *bounce_sender_authentication = NULL;
690 uschar *callout_address = NULL;
691 int callout_cache_domain_positive_expire = 7*24*60*60;
692 int callout_cache_domain_negative_expire = 3*60*60;
693 int callout_cache_positive_expire = 24*60*60;
694 int callout_cache_negative_expire = 2*60*60;
695 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
696 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
697 int check_log_inodes = 100;
698 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
699 int check_spool_inodes = 100;
700 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
702 uschar *chunking_advertise_hosts = US"*";
703 unsigned chunking_datasize = 0;
704 unsigned chunking_data_left = 0;
705 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
706 const pcre2_code *regex_CHUNKING = NULL;
708 #ifdef EXPERIMENTAL_ESMTP_LIMITS
709 const pcre2_code *regex_LIMITS = NULL;
712 uschar *client_authenticator = NULL;
713 uschar *client_authenticated_id = NULL;
714 uschar *client_authenticated_sender = NULL;
715 int clmacro_count = 0;
716 uschar *clmacros[MAX_CLMACROS];
717 FILE *config_file = NULL;
718 const uschar *config_filename = NULL;
719 int config_lineno = 0;
720 #ifdef CONFIGURE_GROUP
721 gid_t config_gid = CONFIGURE_GROUP;
723 gid_t config_gid = 0;
725 uschar *config_main_filelist = US CONFIGURE_FILE
726 "\0<-----------Space to patch configure_filename->";
727 uschar *config_main_filename = NULL;
728 uschar *config_main_directory = NULL;
730 #ifdef CONFIGURE_OWNER
731 uid_t config_uid = CONFIGURE_OWNER;
733 uid_t config_uid = 0;
736 int connection_max_messages= -1;
737 uschar *continue_proxy_cipher = NULL;
738 BOOL continue_proxy_dane = FALSE;
739 uschar *continue_proxy_sni = NULL;
740 uschar *continue_hostname = NULL;
741 uschar *continue_host_address = NULL;
742 int continue_sequence = 1;
743 uschar *continue_transport = NULL;
744 #ifdef EXPERIMENTAL_ESMTP_LIMITS
745 unsigned continue_limit_mail = 0;
746 unsigned continue_limit_rcpt = 0;
747 unsigned continue_limit_rcptdom= 0;
750 uschar *csa_status = NULL;
752 .callout_hold_only = FALSE, /* verify-only: normal delivery */
753 .delivery = FALSE, /* when to attempt */
754 .defer_pass = FALSE, /* on defer: spool locally */
755 .is_tls = FALSE, /* not a TLS conn yet */
756 .cctx = {.sock = -1}, /* open connection */
757 .nrcpt = 0, /* number of addresses */
760 int daemon_notifier_fd = -1;
761 uschar *daemon_smtp_port = US"smtp";
762 int daemon_startup_retries = 9;
763 int daemon_startup_sleep = 30;
765 #ifdef EXPERIMENTAL_DCC
766 uschar *dcc_header = NULL;
767 uschar *dcc_result = NULL;
768 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
769 uschar *dccifd_options = US"header";
773 FILE *debug_file = NULL;
774 int debug_notall[] = {
779 bit_table debug_options[] = { /* must be in alphabetical order and use
780 only the enum values from macro.h */
784 BIT_TABLE(D, deliver),
788 BIT_TABLE(D, expand),
789 BIT_TABLE(D, filter),
790 BIT_TABLE(D, hints_lookup),
791 BIT_TABLE(D, host_lookup),
793 BIT_TABLE(D, interface),
796 BIT_TABLE(D, local_scan),
797 BIT_TABLE(D, lookup),
798 BIT_TABLE(D, memory),
799 BIT_TABLE(D, noutf8),
801 BIT_TABLE(D, process_info),
802 BIT_TABLE(D, queue_run),
803 BIT_TABLE(D, receive),
804 BIT_TABLE(D, resolver),
806 BIT_TABLE(D, rewrite),
808 BIT_TABLE(D, timestamp),
810 BIT_TABLE(D, transport),
812 BIT_TABLE(D, verify),
814 int debug_options_count = nelem(debug_options);
815 unsigned debug_pretrigger_bsize= 0;
816 uschar * debug_pretrigger_buf = NULL;
817 unsigned int debug_selector = 0;
819 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
820 uschar *delay_warning_condition=
822 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
823 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
824 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
826 uschar *deliver_address_data = NULL;
827 int deliver_datafile = -1;
828 const uschar *deliver_domain = NULL;
829 uschar *deliver_domain_data = NULL;
830 const uschar *deliver_domain_orig = NULL;
831 const uschar *deliver_domain_parent = NULL;
832 time_t deliver_frozen_at = 0;
833 uschar *deliver_home = NULL;
834 const uschar *deliver_host = NULL;
835 const uschar *deliver_host_address = NULL;
836 int deliver_host_port = 0;
837 uschar *deliver_in_buffer = NULL;
838 ino_t deliver_inode = 0;
839 uschar *deliver_localpart = NULL;
840 uschar *deliver_localpart_data = NULL;
841 uschar *deliver_localpart_orig = NULL;
842 uschar *deliver_localpart_parent = NULL;
843 uschar *deliver_localpart_prefix = NULL;
844 uschar *deliver_localpart_prefix_v = NULL;
845 uschar *deliver_localpart_suffix = NULL;
846 uschar *deliver_localpart_suffix_v = NULL;
847 uschar *deliver_out_buffer = NULL;
848 int deliver_queue_load_max = -1;
849 address_item *deliver_recipients = NULL;
850 uschar *deliver_selectstring = NULL;
851 uschar *deliver_selectstring_sender = NULL;
854 unsigned dkim_collect_input = 0;
855 uschar *dkim_cur_signer = NULL;
856 int dkim_key_length = 0;
857 void *dkim_signatures = NULL;
858 uschar *dkim_signers = NULL;
859 uschar *dkim_signing_domain = NULL;
860 uschar *dkim_signing_selector = NULL;
861 uschar *dkim_verify_hashes = US"sha256:sha512";
862 uschar *dkim_verify_keytypes = US"ed25519:rsa";
863 uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
864 BOOL dkim_verify_minimal = FALSE;
865 uschar *dkim_verify_overall = NULL;
866 uschar *dkim_verify_signers = US"$dkim_signers";
867 uschar *dkim_verify_status = NULL;
868 uschar *dkim_verify_reason = NULL;
871 uschar *dmarc_domain_policy = NULL;
872 uschar *dmarc_forensic_sender = NULL;
873 uschar *dmarc_history_file = NULL;
874 uschar *dmarc_status = NULL;
875 uschar *dmarc_status_text = NULL;
876 uschar *dmarc_tld_file = NULL;
877 uschar *dmarc_used_domain = NULL;
880 uschar *dns_again_means_nonexist = NULL;
881 int dns_csa_search_limit = 5;
882 int dns_cname_loops = 1;
884 int dns_dane_ok = -1;
886 uschar *dns_ipv4_lookup = NULL;
889 int dns_dnssec_ok = -1; /* <0 = not coerced */
890 uschar *dns_trust_aa = NULL;
891 int dns_use_edns0 = -1; /* <0 = not coerced */
892 uschar *dnslist_domain = NULL;
893 uschar *dnslist_matched = NULL;
894 uschar *dnslist_text = NULL;
895 uschar *dnslist_value = NULL;
896 tree_node *domainlist_anchor = NULL;
897 int domainlist_count = 0;
898 const uschar *driver_srcfile = NULL;
899 int driver_srcline = 0;
900 uschar *dsn_from = US DEFAULT_DSN_FROM;
901 unsigned int dtrigger_selector = 0;
903 int errno_quota = ERRNO_QUOTA;
904 uschar *errors_copy = NULL;
905 int error_handling = ERRORS_SENDER;
906 uschar *errors_reply_to = NULL;
907 int errors_sender_rc = EXIT_FAILURE;
908 #ifndef DISABLE_EVENT
909 uschar *event_action = NULL; /* expansion for delivery events */
910 uschar *event_data = NULL; /* auxiliary data variable for event */
911 int event_defer_errno = 0;
912 const uschar *event_name = NULL; /* event name variable */
916 gid_t exim_gid = EXIM_GID;
917 uschar *exim_path = US BIN_DIRECTORY "/exim"
918 "\0<---------------Space to patch exim_path->";
919 uid_t exim_uid = EXIM_UID;
920 int expand_level = 0; /* Nesting depth, indent for debug */
921 int expand_forbid = 0;
922 int expand_nlength[EXPAND_MAXN+1];
923 int expand_nmax = -1;
924 const uschar *expand_nstring[EXPAND_MAXN+1];
925 uschar *expand_string_message;
926 uschar *extra_local_interfaces = NULL;
928 int fake_response = OK;
929 uschar *fake_response_text = US"Your message has been rejected but is "
930 "being kept for evaluation.\nIf it was a "
931 "legitimate message, it may still be "
932 "delivered to the target recipient(s).";
933 int filter_n[FILTER_VARIABLE_COUNT];
934 int filter_sn[FILTER_VARIABLE_COUNT];
935 int filter_test = FTEST_NONE;
936 uschar *filter_test_sfile = NULL;
937 uschar *filter_test_ufile = NULL;
938 uschar *filter_thisaddress = NULL;
939 int finduser_retries = 0;
940 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
941 uschar *freeze_tell = NULL;
942 uschar *freeze_tell_config = NULL;
943 uschar *fudged_queue_times = US"";
945 uschar *gecos_name = NULL;
946 uschar *gecos_pattern = NULL;
947 rewrite_rule *global_rewrite_rules = NULL;
949 volatile sig_atomic_t had_command_timeout = 0;
950 volatile sig_atomic_t had_command_sigterm = 0;
951 volatile sig_atomic_t had_data_timeout = 0;
952 volatile sig_atomic_t had_data_sigint = 0;
953 const uschar *headers_charset = US HEADERS_CHARSET;
954 int header_insert_maxlen = 64 * 1024;
955 header_line *header_last = NULL;
956 header_line *header_list = NULL;
957 int header_maxsize = HEADER_MAXSIZE;
958 int header_line_maxsize = 0;
960 header_name header_names[] = {
961 /* name len allow_resent htype */
962 { US"bcc", 3, TRUE, htype_bcc },
963 { US"cc", 2, TRUE, htype_cc },
964 { US"date", 4, TRUE, htype_date },
965 { US"delivery-date", 13, FALSE, htype_delivery_date },
966 { US"envelope-to", 11, FALSE, htype_envelope_to },
967 { US"from", 4, TRUE, htype_from },
968 { US"message-id", 10, TRUE, htype_id },
969 { US"received", 8, FALSE, htype_received },
970 { US"reply-to", 8, FALSE, htype_reply_to },
971 { US"return-path", 11, FALSE, htype_return_path },
972 { US"sender", 6, TRUE, htype_sender },
973 { US"subject", 7, FALSE, htype_subject },
974 { US"to", 2, TRUE, htype_to }
977 int header_names_size = nelem(header_names);
979 uschar *helo_accept_junk_hosts = NULL;
980 uschar *helo_allow_chars = US"";
981 uschar *helo_lookup_domains = US"@ : @[]";
982 uschar *helo_try_verify_hosts = NULL;
983 uschar *helo_verify_hosts = NULL;
984 const uschar *hex_digits = CUS"0123456789abcdef";
985 uschar *hold_domains = NULL;
986 uschar *host_data = NULL;
987 uschar *host_lookup = NULL;
988 uschar *host_lookup_order = US"bydns:byaddr";
989 uschar *host_lookup_msg = US"";
991 uschar *host_number_string = NULL;
992 uschar *host_reject_connection = NULL;
993 tree_node *hostlist_anchor = NULL;
994 int hostlist_count = 0;
995 uschar *hosts_treat_as_local = NULL;
996 uschar *hosts_require_helo = US"*";
997 uschar *hosts_connection_nolog = NULL;
999 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
1000 uschar *ignore_fromline_hosts = NULL;
1001 int inetd_wait_timeout = -1;
1002 uschar *initial_cwd = NULL;
1003 uschar *interface_address = NULL;
1004 int interface_port = -1;
1005 uschar *iterate_item = NULL;
1007 int journal_fd = -1;
1009 uschar *keep_environment = NULL;
1011 int keep_malformed = 4*24*60*60; /* 4 days */
1013 uschar *eldap_dn = NULL;
1014 #ifdef EXPERIMENTAL_ESMTP_LIMITS
1015 uschar *limits_advertise_hosts = US"*";
1017 int load_average = -2;
1018 uschar *local_from_prefix = NULL;
1019 uschar *local_from_suffix = NULL;
1022 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1024 uschar *local_interfaces = US"0.0.0.0";
1027 #ifdef HAVE_LOCAL_SCAN
1028 uschar *local_scan_data = NULL;
1029 int local_scan_timeout = 5*60;
1031 gid_t local_user_gid = (gid_t)(-1);
1032 uid_t local_user_uid = (uid_t)(-1);
1034 tree_node *localpartlist_anchor= NULL;
1035 int localpartlist_count = 0;
1036 uschar *log_buffer = NULL;
1038 int log_default[] = { /* for initializing log_selector */
1039 Li_acl_warn_skipped,
1040 Li_connection_reject,
1045 Li_host_lookup_failed,
1046 Li_lost_incoming_connection,
1047 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1050 Li_queue_time_exclusive,
1053 Li_sender_verify_fail,
1056 Li_smtp_confirmation,
1057 Li_tls_certificate_verified,
1062 uschar *log_file_path = US LOG_FILE_PATH
1063 "\0<--------------Space to patch log_file_path->";
1065 int log_notall[] = {
1068 bit_table log_options[] = { /* must be in alphabetical order,
1069 with definitions from enum logbit. */
1070 BIT_TABLE(L, 8bitmime),
1071 BIT_TABLE(L, acl_warn_skipped),
1072 BIT_TABLE(L, address_rewrite),
1074 BIT_TABLE(L, all_parents),
1075 BIT_TABLE(L, arguments),
1076 BIT_TABLE(L, connection_reject),
1077 BIT_TABLE(L, delay_delivery),
1078 BIT_TABLE(L, deliver_time),
1079 BIT_TABLE(L, delivery_size),
1080 #ifndef DISABLE_DKIM
1082 BIT_TABLE(L, dkim_verbose),
1084 BIT_TABLE(L, dnslist_defer),
1085 BIT_TABLE(L, dnssec),
1087 BIT_TABLE(L, host_lookup_failed),
1088 BIT_TABLE(L, ident_timeout),
1089 BIT_TABLE(L, incoming_interface),
1090 BIT_TABLE(L, incoming_port),
1091 BIT_TABLE(L, lost_incoming_connection),
1092 BIT_TABLE(L, millisec),
1093 BIT_TABLE(L, msg_id),
1094 BIT_TABLE(L, msg_id_created),
1095 BIT_TABLE(L, outgoing_interface),
1096 BIT_TABLE(L, outgoing_port),
1098 BIT_TABLE(L, pipelining),
1099 BIT_TABLE(L, protocol_detail),
1100 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1101 BIT_TABLE(L, proxy),
1103 BIT_TABLE(L, queue_run),
1104 BIT_TABLE(L, queue_time),
1105 BIT_TABLE(L, queue_time_exclusive),
1106 BIT_TABLE(L, queue_time_overall),
1107 BIT_TABLE(L, receive_time),
1108 BIT_TABLE(L, received_recipients),
1109 BIT_TABLE(L, received_sender),
1110 BIT_TABLE(L, rejected_header),
1111 { US"rejected_headers", Li_rejected_header },
1112 BIT_TABLE(L, retry_defer),
1113 BIT_TABLE(L, return_path_on_delivery),
1114 BIT_TABLE(L, sender_on_delivery),
1115 BIT_TABLE(L, sender_verify_fail),
1116 BIT_TABLE(L, size_reject),
1117 BIT_TABLE(L, skip_delivery),
1118 BIT_TABLE(L, smtp_confirmation),
1119 BIT_TABLE(L, smtp_connection),
1120 BIT_TABLE(L, smtp_incomplete_transaction),
1121 BIT_TABLE(L, smtp_mailauth),
1122 BIT_TABLE(L, smtp_no_mail),
1123 BIT_TABLE(L, smtp_protocol_error),
1124 BIT_TABLE(L, smtp_syntax_error),
1125 BIT_TABLE(L, subject),
1126 BIT_TABLE(L, tls_certificate_verified),
1127 BIT_TABLE(L, tls_cipher),
1128 BIT_TABLE(L, tls_peerdn),
1129 BIT_TABLE(L, tls_resumption),
1130 BIT_TABLE(L, tls_sni),
1131 BIT_TABLE(L, unknown_in_list),
1133 int log_options_count = nelem(log_options);
1135 int log_reject_target = 0;
1136 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1137 uschar *log_selector_string = NULL;
1138 FILE *log_stderr = NULL;
1139 uschar *login_sender_address = NULL;
1140 uschar *lookup_dnssec_authenticated = NULL;
1141 int lookup_open_max = 25;
1142 uschar *lookup_value = NULL;
1144 macro_item *macros_user = NULL;
1145 uschar *mailstore_basename = NULL;
1146 #ifdef WITH_CONTENT_SCAN
1147 uschar *malware_name = NULL; /* Virus Name */
1149 int max_received_linelength= 0;
1150 int max_username_length = 0;
1151 int message_age = 0;
1152 uschar *message_body = NULL;
1153 uschar *message_body_end = NULL;
1154 int message_body_size = 0;
1155 int message_body_visible = 500;
1156 int message_ended = END_NOTSTARTED;
1157 uschar *message_headers = NULL;
1159 uschar *message_id_domain = NULL;
1160 uschar *message_id_text = NULL;
1161 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1162 uschar *message_id_external;
1163 int message_linecount = 0;
1164 int message_size = 0;
1165 uschar *message_size_limit = US"50M";
1167 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1169 uschar message_subdir[2] = { 0, 0 };
1170 uschar *message_reference = NULL;
1172 /* MIME ACL expandables */
1173 #ifdef WITH_CONTENT_SCAN
1174 int mime_anomaly_level = 0;
1175 const uschar *mime_anomaly_text = NULL;
1176 uschar *mime_boundary = NULL;
1177 uschar *mime_charset = NULL;
1178 uschar *mime_content_description = NULL;
1179 uschar *mime_content_disposition = NULL;
1180 uschar *mime_content_id = NULL;
1181 unsigned int mime_content_size = 0;
1182 uschar *mime_content_transfer_encoding = NULL;
1183 uschar *mime_content_type = NULL;
1184 uschar *mime_decoded_filename = NULL;
1185 uschar *mime_filename = NULL;
1186 int mime_is_multipart = 0;
1187 int mime_is_coverletter = 0;
1188 int mime_is_rfc822 = 0;
1189 int mime_part_count = -1;
1192 uid_t *never_users = NULL;
1193 uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1195 const int on = 1; /* for setsockopt */
1198 uid_t original_euid;
1199 gid_t originator_gid;
1200 uschar *originator_login = NULL;
1201 uschar *originator_name = NULL;
1202 uid_t originator_uid;
1203 uschar *override_local_interfaces = NULL;
1204 uschar *override_pid_file_path = NULL;
1206 pcre2_general_context * pcre_gen_ctx = NULL;
1207 pcre2_compile_context * pcre_cmp_ctx = NULL;
1208 pcre2_match_context * pcre_mtc_ctx = NULL;
1210 uschar *percent_hack_domains = NULL;
1211 uschar *pid_file_path = US PID_FILE_PATH
1212 "\0<--------------Space to patch pid_file_path->";
1213 #ifndef DISABLE_PIPE_CONNECT
1214 uschar *pipe_connect_advertise_hosts = US"*";
1216 uschar *pipelining_advertise_hosts = US"*";
1217 uschar *primary_hostname = NULL;
1218 uschar *process_info;
1219 int process_info_len = 0;
1220 uschar *process_log_path = NULL;
1221 const uschar *process_purpose = US"fresh-exec";
1223 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1224 uschar *hosts_proxy = NULL;
1225 uschar *proxy_external_address = NULL;
1226 int proxy_external_port = 0;
1227 uschar *proxy_local_address = NULL;
1228 int proxy_local_port = 0;
1229 int proxy_protocol_timeout = 3;
1232 uschar *prvscheck_address = NULL;
1233 uschar *prvscheck_keynum = NULL;
1234 uschar *prvscheck_result = NULL;
1237 const uschar *qualify_domain_recipient = NULL;
1238 uschar *qualify_domain_sender = NULL;
1239 uschar *queue_domains = NULL;
1240 int queue_interval = -1;
1241 uschar *queue_name = US"";
1242 uschar *queue_name_dest = NULL;
1243 uschar *queue_only_file = NULL;
1244 int queue_only_load = -1;
1245 uschar *queue_run_max = US"5";
1246 pid_t queue_run_pid = (pid_t)0;
1247 int queue_run_pipe = -1;
1248 unsigned queue_size = 0;
1249 time_t queue_size_next = 0;
1250 uschar *queue_smtp_domains = NULL;
1252 uint32_t random_seed = 0;
1253 tree_node *ratelimiters_cmd = NULL;
1254 tree_node *ratelimiters_conn = NULL;
1255 tree_node *ratelimiters_mail = NULL;
1256 uschar *raw_active_hostname = NULL;
1257 uschar *raw_sender = NULL;
1258 uschar **raw_recipients = NULL;
1259 int raw_recipients_count = 0;
1262 int rcpt_fail_count = 0;
1263 int rcpt_defer_count = 0;
1266 int receive_linecount = 0;
1267 int receive_messagecount = 0;
1268 int receive_timeout = 0;
1269 int received_count = 0;
1270 uschar *received_for = NULL;
1272 /* This is the default text for Received headers generated by Exim. The
1273 date will be automatically added on the end. */
1275 uschar *received_header_text = US
1277 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1278 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1279 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1280 "by $primary_hostname "
1281 "${if def:received_protocol {with $received_protocol }}"
1283 "${if def:tls_in_ver { ($tls_in_ver)}}"
1284 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1286 "(Exim $version_number)\n\t"
1287 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1288 "id $message_exim_id"
1289 "${if def:received_for {\n\tfor $received_for}}"
1290 "\0<---------------Space to patch received_header_text->";
1292 int received_headers_max = 30;
1293 uschar *received_protocol = NULL;
1294 struct timeval received_time = { 0, 0 };
1295 struct timeval received_time_complete = { 0, 0 };
1296 uschar *recipient_data = NULL;
1297 uschar *recipient_unqualified_hosts = NULL;
1298 uschar *recipient_verify_failure = NULL;
1299 int recipients_count = 0;
1300 recipient_item *recipients_list = NULL;
1301 int recipients_list_max = 0;
1302 int recipients_max = 50000;
1303 const pcre2_code *regex_AUTH = NULL;
1304 const pcre2_code *regex_check_dns_names = NULL;
1305 const pcre2_code *regex_From = NULL;
1306 const pcre2_code *regex_IGNOREQUOTA = NULL;
1307 const pcre2_code *regex_PIPELINING = NULL;
1308 const pcre2_code *regex_SIZE = NULL;
1309 #ifndef DISABLE_PIPE_CONNECT
1310 const pcre2_code *regex_EARLY_PIPE = NULL;
1312 const pcre2_code *regex_ismsgid = NULL;
1313 const pcre2_code *regex_smtp_code = NULL;
1314 const uschar *regex_vars[REGEX_VARS];
1315 #ifdef WHITELIST_D_MACROS
1316 const pcre2_code *regex_whitelisted_macro = NULL;
1318 #ifdef WITH_CONTENT_SCAN
1319 uschar *regex_match_string = NULL;
1321 int remote_delivery_count = 0;
1322 int remote_max_parallel = 2;
1323 uschar *remote_sort_domains = NULL;
1324 int retry_data_expire = 7*24*60*60;
1325 int retry_interval_max = 24*60*60;
1326 int retry_maximum_timeout = 0; /* set from retry config */
1327 retry_config *retries = NULL;
1328 uschar *return_path = NULL;
1329 int rewrite_existflags = 0;
1330 uschar *rfc1413_hosts = US"@[]";
1331 int rfc1413_query_timeout = 0;
1332 uid_t root_gid = ROOT_GID;
1333 uid_t root_uid = ROOT_UID;
1335 router_instance *routers = NULL;
1336 router_instance router_defaults = {
1340 .options_block = NULL,
1341 .driver_name = NULL,
1343 .address_data = NULL,
1344 #ifdef EXPERIMENTAL_BRIGHTMAIL
1347 .cannot_route_message = NULL,
1349 .current_directory = NULL,
1350 .debug_string = NULL,
1355 .expand_more = NULL,
1356 .expand_unseen = NULL,
1357 .extra_headers = NULL,
1358 .fallback_hosts = NULL,
1359 .home_directory = NULL,
1360 .ignore_target_hosts = NULL,
1361 .local_parts = NULL,
1362 .pass_router_name = NULL,
1364 .redirect_router_name = NULL,
1365 .remove_headers = NULL,
1366 .require_files = NULL,
1367 .router_home_directory = NULL,
1371 .translate_ip_address = NULL,
1372 .transport_name = NULL,
1374 .address_test = TRUE,
1375 #ifdef EXPERIMENTAL_BRIGHTMAIL
1376 .bmi_deliver_alternate = FALSE,
1377 .bmi_deliver_default = FALSE,
1378 .bmi_dont_deliver = FALSE,
1381 .caseful_local_part = FALSE,
1382 .check_local_user = FALSE,
1383 .disable_logging = FALSE,
1384 .fail_verify_recipient = FALSE,
1385 .fail_verify_sender = FALSE,
1387 .initgroups = FALSE,
1388 .log_as_local = TRUE_UNSET,
1390 .pass_on_timeout = FALSE,
1391 .prefix_optional = FALSE,
1393 .retry_use_local_part = TRUE_UNSET,
1394 .same_domain_copy_routing = FALSE,
1395 .self_rewrite = FALSE,
1397 .suffix_optional = FALSE,
1398 .verify_only = FALSE,
1399 .verify_recipient = TRUE,
1400 .verify_sender = TRUE,
1403 .dsn_lasthop = FALSE,
1405 .self_code = self_freeze,
1409 .fallback_hostlist = NULL,
1411 .pass_router = NULL,
1412 .redirect_router = NULL,
1414 .dnssec = { .request= US"*", .require=NULL },
1417 uschar *router_name = NULL;
1418 tree_node *router_var = NULL;
1420 ip_address_item *running_interfaces = NULL;
1422 /* This is a weird one. The following string gets patched in the binary by the
1423 script that sets up a copy of Exim for running in the test harness. It seems
1424 that compilers are now clever, and share constant strings if they can.
1425 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1426 make use of the end of this string in order to save space. So the patching then
1427 wrecks this. We defeat this optimization by adding some additional characters
1428 onto the end of the string. */
1430 uschar *running_status = US">>>running<<<" "\0EXTRA";
1434 uschar *search_error_message = NULL;
1435 uschar *self_hostname = NULL;
1436 uschar *sender_address = NULL;
1437 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1438 uschar *sender_address_data = NULL;
1439 uschar *sender_address_unrewritten = NULL;
1440 uschar *sender_data = NULL;
1441 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1442 uschar *sender_fullhost = NULL;
1443 uschar *sender_helo_name = NULL;
1444 uschar **sender_host_aliases = &no_aliases;
1445 uschar *sender_host_address = NULL;
1446 uschar *sender_host_authenticated = NULL;
1447 uschar *sender_host_auth_pubname = NULL;
1448 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1449 uschar *sender_host_name = NULL;
1450 int sender_host_port = 0;
1451 uschar *sender_ident = NULL;
1452 uschar *sender_rate = NULL;
1453 uschar *sender_rate_limit = NULL;
1454 uschar *sender_rate_period = NULL;
1455 uschar *sender_rcvhost = NULL;
1456 uschar *sender_unqualified_hosts = NULL;
1457 uschar *sender_verify_failure = NULL;
1458 address_item *sender_verified_list = NULL;
1459 address_item *sender_verified_failed = NULL;
1460 int sender_verified_rc = -1;
1461 uschar *sending_ip_address = NULL;
1462 int sending_port = -1;
1463 SIGNAL_BOOL sigalrm_seen = FALSE;
1464 const uschar *sigalarm_setter = NULL;
1465 uschar **sighup_argv = NULL;
1466 int slow_lookup_log = 0; /* millisecs, zero disables */
1467 int smtp_accept_count = 0;
1468 int smtp_accept_max = 20;
1469 int smtp_accept_max_nonmail= 10;
1470 uschar *smtp_accept_max_nonmail_hosts = US"*";
1471 uschar *smtp_accept_max_per_connection = US"1000";
1472 uschar *smtp_accept_max_per_host = NULL;
1473 int smtp_accept_queue = 0;
1474 int smtp_accept_queue_per_connection = 10;
1475 int smtp_accept_reserve = 0;
1476 uschar *smtp_active_hostname = NULL;
1477 int smtp_backlog_monitor = 0;
1478 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1479 "Exim $version_number $tod_full"
1480 "\0<---------------Space to patch smtp_banner->";
1481 int smtp_ch_index = 0;
1482 uschar *smtp_cmd_argument = NULL;
1483 uschar *smtp_cmd_buffer = NULL;
1484 struct timeval smtp_connection_start = {0,0};
1485 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1486 int smtp_connect_backlog = 20;
1487 double smtp_delay_mail = 0.0;
1488 double smtp_delay_rcpt = 0.0;
1489 FILE *smtp_in = NULL;
1490 int smtp_listen_backlog = 0;
1491 int smtp_load_reserve = -1;
1492 int smtp_mailcmd_count = 0;
1493 int smtp_mailcmd_max = -1;
1494 FILE *smtp_out = NULL;
1495 uschar *smtp_etrn_command = NULL;
1496 int smtp_max_synprot_errors= 3;
1497 int smtp_max_unknown_commands = 3;
1498 uschar *smtp_notquit_reason = NULL;
1499 unsigned smtp_peer_options = 0;
1500 unsigned smtp_peer_options_wrap= 0;
1501 uschar *smtp_ratelimit_hosts = NULL;
1502 uschar *smtp_ratelimit_mail = NULL;
1503 uschar *smtp_ratelimit_rcpt = NULL;
1504 uschar *smtp_read_error = US"";
1505 int smtp_receive_timeout = 5*60;
1506 uschar *smtp_receive_timeout_s = NULL;
1507 uschar *smtp_reserve_hosts = NULL;
1508 int smtp_rlm_base = 0;
1509 double smtp_rlm_factor = 0.0;
1510 int smtp_rlm_limit = 0;
1511 int smtp_rlm_threshold = INT_MAX;
1512 int smtp_rlr_base = 0;
1513 double smtp_rlr_factor = 0.0;
1514 int smtp_rlr_limit = 0;
1515 int smtp_rlr_threshold = INT_MAX;
1517 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1520 #ifdef WITH_CONTENT_SCAN
1521 uschar *spamd_address = US"127.0.0.1 783";
1522 uschar *spam_bar = NULL;
1523 uschar *spam_report = NULL;
1524 uschar *spam_action = NULL;
1525 uschar *spam_score = NULL;
1526 uschar *spam_score_int = NULL;
1529 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1530 uschar *spf_header_comment = NULL;
1531 uschar *spf_received = NULL;
1532 uschar *spf_result = NULL;
1533 uschar *spf_smtp_comment = NULL;
1534 uschar *spf_smtp_comment_template
1535 /* Used to be: "Please%_see%_http://www.open-spf.org/Why?id=%{S}&ip=%{C}&receiver=%{R}" */
1536 = US"Please%_see%_http://www.open-spf.org/Why";
1540 FILE *spool_data_file = NULL;
1541 uschar *spool_directory = US SPOOL_DIRECTORY
1542 "\0<--------------Space to patch spool_directory->";
1544 uschar *srs_recipient = NULL;
1546 int string_datestamp_offset= -1;
1547 int string_datestamp_length= 0;
1548 int string_datestamp_type = -1;
1549 const uschar *submission_domain = NULL;
1550 const uschar *submission_name = NULL;
1551 int syslog_facility = LOG_MAIL;
1552 uschar *syslog_processname = US"exim";
1553 uschar *system_filter = NULL;
1555 uschar *system_filter_directory_transport = NULL;
1556 uschar *system_filter_file_transport = NULL;
1557 uschar *system_filter_pipe_transport = NULL;
1558 uschar *system_filter_reply_transport = NULL;
1560 gid_t system_filter_gid = 0;
1561 uid_t system_filter_uid = (uid_t)-1;
1563 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1564 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1565 #ifdef USE_TCP_WRAPPERS
1566 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1568 int test_harness_load_avg = 0;
1569 int thismessage_size_limit = 0;
1570 int timeout_frozen_after = 0;
1571 #ifdef MEASURE_TIMING
1572 struct timeval timestamp_startup;
1575 transport_instance *transports = NULL;
1577 transport_instance transport_defaults = {
1578 /* All non-mentioned elements zero/NULL/FALSE */
1580 .multi_domain = TRUE,
1581 .max_addresses = 100,
1582 .connection_max_messages = 500,
1585 .filter_timeout = 300,
1586 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1587 1 nor 0 so can detect unset */
1590 int transport_count;
1591 uschar *transport_name = NULL;
1592 int transport_newlines;
1593 const uschar **transport_filter_argv = NULL;
1594 int transport_filter_timeout;
1595 int transport_write_timeout= 0;
1597 tree_node *tree_dns_fails = NULL;
1598 tree_node *tree_duplicates = NULL;
1599 tree_node *tree_nonrecipients = NULL;
1600 tree_node *tree_unusable = NULL;
1602 gid_t *trusted_groups = NULL;
1603 uid_t *trusted_users = NULL;
1604 uschar *timezone_string = US TIMEZONE_DEFAULT;
1606 uschar *unknown_login = NULL;
1607 uschar *unknown_username = NULL;
1608 uschar *untrusted_set_sender = NULL;
1610 /* A regex for matching a "From_" line in an incoming message, in the form
1612 From ph10 Fri Jan 5 12:35 GMT 1996
1614 which the "mail" commands send to the MTA (undocumented, of course), or in
1617 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1619 which is apparently used by some UUCPs, despite it not being in RFC 976.
1620 Because of variations in time formats, just match up to the minutes. That
1621 should be sufficient. Examples have been seen of time fields like 12:1:03,
1622 so just require one digit for hours and minutes. The weekday is also absent
1625 uschar *uucp_from_pattern = US
1626 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1627 "(?:" /* Non-extracting bracket */
1628 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1629 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1630 ")" /* End alternation */
1631 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1633 uschar *uucp_from_sender = US"$1";
1635 uschar *verify_mode = NULL;
1636 uschar *version_copyright =
1637 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1638 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2020";
1639 uschar *version_date = US"?";
1640 uschar *version_cnumber = US"????";
1641 uschar *version_string = US"?";
1643 uschar *warn_message_file = NULL;
1644 int warning_count = 0;
1645 uschar *warnmsg_delay = NULL;
1646 uschar *warnmsg_recipients = NULL;
1649 /* End of globals.c */