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];
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 pcre2_code *regex_CHUNKING = NULL;
707 #ifdef EXPERIMENTAL_ESMTP_LIMITS
708 const pcre2_code *regex_LIMITS = NULL;
711 uschar *client_authenticator = NULL;
712 uschar *client_authenticated_id = NULL;
713 uschar *client_authenticated_sender = NULL;
714 int clmacro_count = 0;
715 uschar *clmacros[MAX_CLMACROS];
716 FILE *config_file = NULL;
717 const uschar *config_filename = NULL;
718 int config_lineno = 0;
719 #ifdef CONFIGURE_GROUP
720 gid_t config_gid = CONFIGURE_GROUP;
722 gid_t config_gid = 0;
724 uschar *config_main_filelist = US CONFIGURE_FILE
725 "\0<-----------Space to patch configure_filename->";
726 uschar *config_main_filename = NULL;
727 uschar *config_main_directory = NULL;
729 #ifdef CONFIGURE_OWNER
730 uid_t config_uid = CONFIGURE_OWNER;
732 uid_t config_uid = 0;
735 int connection_max_messages= -1;
736 uschar *continue_proxy_cipher = NULL;
737 BOOL continue_proxy_dane = FALSE;
738 uschar *continue_proxy_sni = NULL;
739 uschar *continue_hostname = NULL;
740 uschar *continue_host_address = NULL;
741 int continue_sequence = 1;
742 uschar *continue_transport = NULL;
743 #ifdef EXPERIMENTAL_ESMTP_LIMITS
744 unsigned continue_limit_mail = 0;
745 unsigned continue_limit_rcpt = 0;
746 unsigned continue_limit_rcptdom= 0;
749 uschar *csa_status = NULL;
751 .callout_hold_only = FALSE, /* verify-only: normal delivery */
752 .delivery = FALSE, /* when to attempt */
753 .defer_pass = FALSE, /* on defer: spool locally */
754 .is_tls = FALSE, /* not a TLS conn yet */
755 .cctx = {.sock = -1}, /* open connection */
756 .nrcpt = 0, /* number of addresses */
759 int daemon_notifier_fd = -1;
760 uschar *daemon_smtp_port = US"smtp";
761 int daemon_startup_retries = 9;
762 int daemon_startup_sleep = 30;
764 #ifdef EXPERIMENTAL_DCC
765 uschar *dcc_header = NULL;
766 uschar *dcc_result = NULL;
767 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
768 uschar *dccifd_options = US"header";
772 FILE *debug_file = NULL;
773 int debug_notall[] = {
778 bit_table debug_options[] = { /* must be in alphabetical order and use
779 only the enum values from macro.h */
783 BIT_TABLE(D, deliver),
787 BIT_TABLE(D, expand),
788 BIT_TABLE(D, filter),
789 BIT_TABLE(D, hints_lookup),
790 BIT_TABLE(D, host_lookup),
792 BIT_TABLE(D, interface),
795 BIT_TABLE(D, local_scan),
796 BIT_TABLE(D, lookup),
797 BIT_TABLE(D, memory),
798 BIT_TABLE(D, noutf8),
800 BIT_TABLE(D, process_info),
801 BIT_TABLE(D, queue_run),
802 BIT_TABLE(D, receive),
803 BIT_TABLE(D, resolver),
805 BIT_TABLE(D, rewrite),
807 BIT_TABLE(D, timestamp),
809 BIT_TABLE(D, transport),
811 BIT_TABLE(D, verify),
813 int debug_options_count = nelem(debug_options);
814 unsigned debug_pretrigger_bsize= 0;
815 uschar * debug_pretrigger_buf = NULL;
816 unsigned int debug_selector = 0;
818 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
819 uschar *delay_warning_condition=
821 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
822 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
823 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
825 uschar *deliver_address_data = NULL;
826 int deliver_datafile = -1;
827 const uschar *deliver_domain = NULL;
828 uschar *deliver_domain_data = NULL;
829 const uschar *deliver_domain_orig = NULL;
830 const uschar *deliver_domain_parent = NULL;
831 time_t deliver_frozen_at = 0;
832 uschar *deliver_home = NULL;
833 const uschar *deliver_host = NULL;
834 const uschar *deliver_host_address = NULL;
835 int deliver_host_port = 0;
836 uschar *deliver_in_buffer = NULL;
837 ino_t deliver_inode = 0;
838 uschar *deliver_localpart = NULL;
839 uschar *deliver_localpart_data = NULL;
840 uschar *deliver_localpart_orig = NULL;
841 uschar *deliver_localpart_parent = NULL;
842 uschar *deliver_localpart_prefix = NULL;
843 uschar *deliver_localpart_prefix_v = NULL;
844 uschar *deliver_localpart_suffix = NULL;
845 uschar *deliver_localpart_suffix_v = NULL;
846 uschar *deliver_out_buffer = NULL;
847 int deliver_queue_load_max = -1;
848 address_item *deliver_recipients = NULL;
849 uschar *deliver_selectstring = NULL;
850 uschar *deliver_selectstring_sender = NULL;
853 unsigned dkim_collect_input = 0;
854 uschar *dkim_cur_signer = NULL;
855 int dkim_key_length = 0;
856 void *dkim_signatures = NULL;
857 uschar *dkim_signers = NULL;
858 uschar *dkim_signing_domain = NULL;
859 uschar *dkim_signing_selector = NULL;
860 uschar *dkim_verify_hashes = US"sha256:sha512";
861 uschar *dkim_verify_keytypes = US"ed25519:rsa";
862 uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
863 BOOL dkim_verify_minimal = FALSE;
864 uschar *dkim_verify_overall = NULL;
865 uschar *dkim_verify_signers = US"$dkim_signers";
866 uschar *dkim_verify_status = NULL;
867 uschar *dkim_verify_reason = NULL;
870 uschar *dmarc_domain_policy = NULL;
871 uschar *dmarc_forensic_sender = NULL;
872 uschar *dmarc_history_file = NULL;
873 uschar *dmarc_status = NULL;
874 uschar *dmarc_status_text = NULL;
875 uschar *dmarc_tld_file = NULL;
876 uschar *dmarc_used_domain = NULL;
879 uschar *dns_again_means_nonexist = NULL;
880 int dns_csa_search_limit = 5;
881 int dns_cname_loops = 1;
883 int dns_dane_ok = -1;
885 uschar *dns_ipv4_lookup = NULL;
888 int dns_dnssec_ok = -1; /* <0 = not coerced */
889 uschar *dns_trust_aa = NULL;
890 int dns_use_edns0 = -1; /* <0 = not coerced */
891 uschar *dnslist_domain = NULL;
892 uschar *dnslist_matched = NULL;
893 uschar *dnslist_text = NULL;
894 uschar *dnslist_value = NULL;
895 tree_node *domainlist_anchor = NULL;
896 int domainlist_count = 0;
897 uschar *dsn_from = US DEFAULT_DSN_FROM;
898 unsigned int dtrigger_selector = 0;
900 int errno_quota = ERRNO_QUOTA;
901 uschar *errors_copy = NULL;
902 int error_handling = ERRORS_SENDER;
903 uschar *errors_reply_to = NULL;
904 int errors_sender_rc = EXIT_FAILURE;
905 #ifndef DISABLE_EVENT
906 uschar *event_action = NULL; /* expansion for delivery events */
907 uschar *event_data = NULL; /* auxiliary data variable for event */
908 int event_defer_errno = 0;
909 const uschar *event_name = NULL; /* event name variable */
913 gid_t exim_gid = EXIM_GID;
914 uschar *exim_path = US BIN_DIRECTORY "/exim"
915 "\0<---------------Space to patch exim_path->";
916 uid_t exim_uid = EXIM_UID;
917 int expand_level = 0; /* Nesting depth, indent for debug */
918 int expand_forbid = 0;
919 int expand_nlength[EXPAND_MAXN+1];
920 int expand_nmax = -1;
921 const uschar *expand_nstring[EXPAND_MAXN+1];
922 uschar *expand_string_message;
923 uschar *extra_local_interfaces = NULL;
925 int fake_response = OK;
926 uschar *fake_response_text = US"Your message has been rejected but is "
927 "being kept for evaluation.\nIf it was a "
928 "legitimate message, it may still be "
929 "delivered to the target recipient(s).";
930 int filter_n[FILTER_VARIABLE_COUNT];
931 int filter_sn[FILTER_VARIABLE_COUNT];
932 int filter_test = FTEST_NONE;
933 uschar *filter_test_sfile = NULL;
934 uschar *filter_test_ufile = NULL;
935 uschar *filter_thisaddress = NULL;
936 int finduser_retries = 0;
937 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
938 uschar *freeze_tell = NULL;
939 uschar *freeze_tell_config = NULL;
940 uschar *fudged_queue_times = US"";
942 uschar *gecos_name = NULL;
943 uschar *gecos_pattern = NULL;
944 rewrite_rule *global_rewrite_rules = NULL;
946 volatile sig_atomic_t had_command_timeout = 0;
947 volatile sig_atomic_t had_command_sigterm = 0;
948 volatile sig_atomic_t had_data_timeout = 0;
949 volatile sig_atomic_t had_data_sigint = 0;
950 const uschar *headers_charset = US HEADERS_CHARSET;
951 int header_insert_maxlen = 64 * 1024;
952 header_line *header_last = NULL;
953 header_line *header_list = NULL;
954 int header_maxsize = HEADER_MAXSIZE;
955 int header_line_maxsize = 0;
957 header_name header_names[] = {
958 /* name len allow_resent htype */
959 { US"bcc", 3, TRUE, htype_bcc },
960 { US"cc", 2, TRUE, htype_cc },
961 { US"date", 4, TRUE, htype_date },
962 { US"delivery-date", 13, FALSE, htype_delivery_date },
963 { US"envelope-to", 11, FALSE, htype_envelope_to },
964 { US"from", 4, TRUE, htype_from },
965 { US"message-id", 10, TRUE, htype_id },
966 { US"received", 8, FALSE, htype_received },
967 { US"reply-to", 8, FALSE, htype_reply_to },
968 { US"return-path", 11, FALSE, htype_return_path },
969 { US"sender", 6, TRUE, htype_sender },
970 { US"subject", 7, FALSE, htype_subject },
971 { US"to", 2, TRUE, htype_to }
974 int header_names_size = nelem(header_names);
976 uschar *helo_accept_junk_hosts = NULL;
977 uschar *helo_allow_chars = US"";
978 uschar *helo_lookup_domains = US"@ : @[]";
979 uschar *helo_try_verify_hosts = NULL;
980 uschar *helo_verify_hosts = NULL;
981 const uschar *hex_digits = CUS"0123456789abcdef";
982 uschar *hold_domains = NULL;
983 uschar *host_data = NULL;
984 uschar *host_lookup = NULL;
985 uschar *host_lookup_order = US"bydns:byaddr";
986 uschar *host_lookup_msg = US"";
988 uschar *host_number_string = NULL;
989 uschar *host_reject_connection = NULL;
990 tree_node *hostlist_anchor = NULL;
991 int hostlist_count = 0;
992 uschar *hosts_treat_as_local = NULL;
993 uschar *hosts_require_helo = US"*";
994 uschar *hosts_connection_nolog = NULL;
996 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
997 uschar *ignore_fromline_hosts = NULL;
998 int inetd_wait_timeout = -1;
999 uschar *initial_cwd = NULL;
1000 uschar *interface_address = NULL;
1001 int interface_port = -1;
1002 uschar *iterate_item = NULL;
1004 int journal_fd = -1;
1006 uschar *keep_environment = NULL;
1008 int keep_malformed = 4*24*60*60; /* 4 days */
1010 uschar *eldap_dn = NULL;
1011 #ifdef EXPERIMENTAL_ESMTP_LIMITS
1012 uschar *limits_advertise_hosts = US"*";
1014 int load_average = -2;
1015 uschar *local_from_prefix = NULL;
1016 uschar *local_from_suffix = NULL;
1019 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1021 uschar *local_interfaces = US"0.0.0.0";
1024 #ifdef HAVE_LOCAL_SCAN
1025 uschar *local_scan_data = NULL;
1026 int local_scan_timeout = 5*60;
1028 gid_t local_user_gid = (gid_t)(-1);
1029 uid_t local_user_uid = (uid_t)(-1);
1031 tree_node *localpartlist_anchor= NULL;
1032 int localpartlist_count = 0;
1033 uschar *log_buffer = NULL;
1035 int log_default[] = { /* for initializing log_selector */
1036 Li_acl_warn_skipped,
1037 Li_connection_reject,
1042 Li_host_lookup_failed,
1043 Li_lost_incoming_connection,
1044 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1047 Li_queue_time_exclusive,
1050 Li_sender_verify_fail,
1053 Li_smtp_confirmation,
1054 Li_tls_certificate_verified,
1059 uschar *log_file_path = US LOG_FILE_PATH
1060 "\0<--------------Space to patch log_file_path->";
1062 int log_notall[] = {
1065 bit_table log_options[] = { /* must be in alphabetical order,
1066 with definitions from enum logbit. */
1067 BIT_TABLE(L, 8bitmime),
1068 BIT_TABLE(L, acl_warn_skipped),
1069 BIT_TABLE(L, address_rewrite),
1071 BIT_TABLE(L, all_parents),
1072 BIT_TABLE(L, arguments),
1073 BIT_TABLE(L, connection_reject),
1074 BIT_TABLE(L, delay_delivery),
1075 BIT_TABLE(L, deliver_time),
1076 BIT_TABLE(L, delivery_size),
1077 #ifndef DISABLE_DKIM
1079 BIT_TABLE(L, dkim_verbose),
1081 BIT_TABLE(L, dnslist_defer),
1082 BIT_TABLE(L, dnssec),
1084 BIT_TABLE(L, host_lookup_failed),
1085 BIT_TABLE(L, ident_timeout),
1086 BIT_TABLE(L, incoming_interface),
1087 BIT_TABLE(L, incoming_port),
1088 BIT_TABLE(L, lost_incoming_connection),
1089 BIT_TABLE(L, millisec),
1090 BIT_TABLE(L, msg_id),
1091 BIT_TABLE(L, msg_id_created),
1092 BIT_TABLE(L, outgoing_interface),
1093 BIT_TABLE(L, outgoing_port),
1095 BIT_TABLE(L, pipelining),
1096 BIT_TABLE(L, protocol_detail),
1097 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1098 BIT_TABLE(L, proxy),
1100 BIT_TABLE(L, queue_run),
1101 BIT_TABLE(L, queue_time),
1102 BIT_TABLE(L, queue_time_exclusive),
1103 BIT_TABLE(L, queue_time_overall),
1104 BIT_TABLE(L, receive_time),
1105 BIT_TABLE(L, received_recipients),
1106 BIT_TABLE(L, received_sender),
1107 BIT_TABLE(L, rejected_header),
1108 { US"rejected_headers", Li_rejected_header },
1109 BIT_TABLE(L, retry_defer),
1110 BIT_TABLE(L, return_path_on_delivery),
1111 BIT_TABLE(L, sender_on_delivery),
1112 BIT_TABLE(L, sender_verify_fail),
1113 BIT_TABLE(L, size_reject),
1114 BIT_TABLE(L, skip_delivery),
1115 BIT_TABLE(L, smtp_confirmation),
1116 BIT_TABLE(L, smtp_connection),
1117 BIT_TABLE(L, smtp_incomplete_transaction),
1118 BIT_TABLE(L, smtp_mailauth),
1119 BIT_TABLE(L, smtp_no_mail),
1120 BIT_TABLE(L, smtp_protocol_error),
1121 BIT_TABLE(L, smtp_syntax_error),
1122 BIT_TABLE(L, subject),
1123 BIT_TABLE(L, tls_certificate_verified),
1124 BIT_TABLE(L, tls_cipher),
1125 BIT_TABLE(L, tls_peerdn),
1126 BIT_TABLE(L, tls_resumption),
1127 BIT_TABLE(L, tls_sni),
1128 BIT_TABLE(L, unknown_in_list),
1130 int log_options_count = nelem(log_options);
1132 int log_reject_target = 0;
1133 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1134 uschar *log_selector_string = NULL;
1135 FILE *log_stderr = NULL;
1136 uschar *login_sender_address = NULL;
1137 uschar *lookup_dnssec_authenticated = NULL;
1138 int lookup_open_max = 25;
1139 uschar *lookup_value = NULL;
1141 macro_item *macros_user = NULL;
1142 uschar *mailstore_basename = NULL;
1143 #ifdef WITH_CONTENT_SCAN
1144 uschar *malware_name = NULL; /* Virus Name */
1146 int max_received_linelength= 0;
1147 int max_username_length = 0;
1148 int message_age = 0;
1149 uschar *message_body = NULL;
1150 uschar *message_body_end = NULL;
1151 int message_body_size = 0;
1152 int message_body_visible = 500;
1153 int message_ended = END_NOTSTARTED;
1154 uschar *message_headers = NULL;
1156 uschar *message_id_domain = NULL;
1157 uschar *message_id_text = NULL;
1158 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1159 uschar *message_id_external;
1160 int message_linecount = 0;
1161 int message_size = 0;
1162 uschar *message_size_limit = US"50M";
1164 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1166 uschar message_subdir[2] = { 0, 0 };
1167 uschar *message_reference = NULL;
1169 /* MIME ACL expandables */
1170 #ifdef WITH_CONTENT_SCAN
1171 int mime_anomaly_level = 0;
1172 const uschar *mime_anomaly_text = NULL;
1173 uschar *mime_boundary = NULL;
1174 uschar *mime_charset = NULL;
1175 uschar *mime_content_description = NULL;
1176 uschar *mime_content_disposition = NULL;
1177 uschar *mime_content_id = NULL;
1178 unsigned int mime_content_size = 0;
1179 uschar *mime_content_transfer_encoding = NULL;
1180 uschar *mime_content_type = NULL;
1181 uschar *mime_decoded_filename = NULL;
1182 uschar *mime_filename = NULL;
1183 int mime_is_multipart = 0;
1184 int mime_is_coverletter = 0;
1185 int mime_is_rfc822 = 0;
1186 int mime_part_count = -1;
1189 uid_t *never_users = NULL;
1190 uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1192 const int on = 1; /* for setsockopt */
1195 uid_t original_euid;
1196 gid_t originator_gid;
1197 uschar *originator_login = NULL;
1198 uschar *originator_name = NULL;
1199 uid_t originator_uid;
1200 uschar *override_local_interfaces = NULL;
1201 uschar *override_pid_file_path = NULL;
1203 pcre2_general_context * pcre_gen_ctx = NULL;
1204 pcre2_compile_context * pcre_cmp_ctx = NULL;
1205 pcre2_match_context * pcre_mtc_ctx = NULL;
1207 uschar *percent_hack_domains = NULL;
1208 uschar *pid_file_path = US PID_FILE_PATH
1209 "\0<--------------Space to patch pid_file_path->";
1210 #ifndef DISABLE_PIPE_CONNECT
1211 uschar *pipe_connect_advertise_hosts = US"*";
1213 uschar *pipelining_advertise_hosts = US"*";
1214 uschar *primary_hostname = NULL;
1215 uschar *process_info;
1216 int process_info_len = 0;
1217 uschar *process_log_path = NULL;
1218 const uschar *process_purpose = US"fresh-exec";
1220 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1221 uschar *hosts_proxy = NULL;
1222 uschar *proxy_external_address = NULL;
1223 int proxy_external_port = 0;
1224 uschar *proxy_local_address = NULL;
1225 int proxy_local_port = 0;
1226 int proxy_protocol_timeout = 3;
1229 uschar *prvscheck_address = NULL;
1230 uschar *prvscheck_keynum = NULL;
1231 uschar *prvscheck_result = NULL;
1234 const uschar *qualify_domain_recipient = NULL;
1235 uschar *qualify_domain_sender = NULL;
1236 uschar *queue_domains = NULL;
1237 int queue_interval = -1;
1238 uschar *queue_name = US"";
1239 uschar *queue_name_dest = NULL;
1240 uschar *queue_only_file = NULL;
1241 int queue_only_load = -1;
1242 uschar *queue_run_max = US"5";
1243 pid_t queue_run_pid = (pid_t)0;
1244 int queue_run_pipe = -1;
1245 unsigned queue_size = 0;
1246 time_t queue_size_next = 0;
1247 uschar *queue_smtp_domains = NULL;
1249 uint32_t random_seed = 0;
1250 tree_node *ratelimiters_cmd = NULL;
1251 tree_node *ratelimiters_conn = NULL;
1252 tree_node *ratelimiters_mail = NULL;
1253 uschar *raw_active_hostname = NULL;
1254 uschar *raw_sender = NULL;
1255 uschar **raw_recipients = NULL;
1256 int raw_recipients_count = 0;
1259 int rcpt_fail_count = 0;
1260 int rcpt_defer_count = 0;
1263 int receive_linecount = 0;
1264 int receive_messagecount = 0;
1265 int receive_timeout = 0;
1266 int received_count = 0;
1267 uschar *received_for = NULL;
1269 /* This is the default text for Received headers generated by Exim. The
1270 date will be automatically added on the end. */
1272 uschar *received_header_text = US
1274 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1275 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1276 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1277 "by $primary_hostname "
1278 "${if def:received_protocol {with $received_protocol }}"
1280 "${if def:tls_in_ver { ($tls_in_ver)}}"
1281 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1283 "(Exim $version_number)\n\t"
1284 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1285 "id $message_exim_id"
1286 "${if def:received_for {\n\tfor $received_for}}"
1287 "\0<---------------Space to patch received_header_text->";
1289 int received_headers_max = 30;
1290 uschar *received_protocol = NULL;
1291 struct timeval received_time = { 0, 0 };
1292 struct timeval received_time_complete = { 0, 0 };
1293 uschar *recipient_data = NULL;
1294 uschar *recipient_unqualified_hosts = NULL;
1295 uschar *recipient_verify_failure = NULL;
1296 int recipients_count = 0;
1297 recipient_item *recipients_list = NULL;
1298 int recipients_list_max = 0;
1299 int recipients_max = 50000;
1300 const pcre2_code *regex_AUTH = NULL;
1301 const pcre2_code *regex_check_dns_names = NULL;
1302 const pcre2_code *regex_From = NULL;
1303 const pcre2_code *regex_IGNOREQUOTA = NULL;
1304 const pcre2_code *regex_PIPELINING = NULL;
1305 const pcre2_code *regex_SIZE = NULL;
1306 #ifndef DISABLE_PIPE_CONNECT
1307 const pcre2_code *regex_EARLY_PIPE = NULL;
1309 const pcre2_code *regex_ismsgid = NULL;
1310 const pcre2_code *regex_smtp_code = NULL;
1311 const uschar *regex_vars[REGEX_VARS];
1312 #ifdef WHITELIST_D_MACROS
1313 const pcre2_code *regex_whitelisted_macro = NULL;
1315 #ifdef WITH_CONTENT_SCAN
1316 uschar *regex_match_string = NULL;
1318 int remote_delivery_count = 0;
1319 int remote_max_parallel = 2;
1320 uschar *remote_sort_domains = NULL;
1321 int retry_data_expire = 7*24*60*60;
1322 int retry_interval_max = 24*60*60;
1323 int retry_maximum_timeout = 0; /* set from retry config */
1324 retry_config *retries = NULL;
1325 uschar *return_path = NULL;
1326 int rewrite_existflags = 0;
1327 uschar *rfc1413_hosts = US"@[]";
1328 int rfc1413_query_timeout = 0;
1329 uid_t root_gid = ROOT_GID;
1330 uid_t root_uid = ROOT_UID;
1332 router_instance *routers = NULL;
1333 router_instance router_defaults = {
1337 .options_block = NULL,
1338 .driver_name = NULL,
1340 .address_data = NULL,
1341 #ifdef EXPERIMENTAL_BRIGHTMAIL
1344 .cannot_route_message = NULL,
1346 .current_directory = NULL,
1347 .debug_string = NULL,
1352 .expand_more = NULL,
1353 .expand_unseen = NULL,
1354 .extra_headers = NULL,
1355 .fallback_hosts = NULL,
1356 .home_directory = NULL,
1357 .ignore_target_hosts = NULL,
1358 .local_parts = NULL,
1359 .pass_router_name = NULL,
1361 .redirect_router_name = NULL,
1362 .remove_headers = NULL,
1363 .require_files = NULL,
1364 .router_home_directory = NULL,
1368 .translate_ip_address = NULL,
1369 .transport_name = NULL,
1371 .address_test = TRUE,
1372 #ifdef EXPERIMENTAL_BRIGHTMAIL
1373 .bmi_deliver_alternate = FALSE,
1374 .bmi_deliver_default = FALSE,
1375 .bmi_dont_deliver = FALSE,
1378 .caseful_local_part = FALSE,
1379 .check_local_user = FALSE,
1380 .disable_logging = FALSE,
1381 .fail_verify_recipient = FALSE,
1382 .fail_verify_sender = FALSE,
1384 .initgroups = FALSE,
1385 .log_as_local = TRUE_UNSET,
1387 .pass_on_timeout = FALSE,
1388 .prefix_optional = FALSE,
1390 .retry_use_local_part = TRUE_UNSET,
1391 .same_domain_copy_routing = FALSE,
1392 .self_rewrite = FALSE,
1394 .suffix_optional = FALSE,
1395 .verify_only = FALSE,
1396 .verify_recipient = TRUE,
1397 .verify_sender = TRUE,
1400 .dsn_lasthop = FALSE,
1402 .self_code = self_freeze,
1406 .fallback_hostlist = NULL,
1408 .pass_router = NULL,
1409 .redirect_router = NULL,
1411 .dnssec = { .request= US"*", .require=NULL },
1414 uschar *router_name = NULL;
1415 tree_node *router_var = NULL;
1417 ip_address_item *running_interfaces = NULL;
1419 /* This is a weird one. The following string gets patched in the binary by the
1420 script that sets up a copy of Exim for running in the test harness. It seems
1421 that compilers are now clever, and share constant strings if they can.
1422 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1423 make use of the end of this string in order to save space. So the patching then
1424 wrecks this. We defeat this optimization by adding some additional characters
1425 onto the end of the string. */
1427 uschar *running_status = US">>>running<<<" "\0EXTRA";
1431 uschar *search_error_message = NULL;
1432 uschar *self_hostname = NULL;
1433 uschar *sender_address = NULL;
1434 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1435 uschar *sender_address_data = NULL;
1436 uschar *sender_address_unrewritten = NULL;
1437 uschar *sender_data = NULL;
1438 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1439 uschar *sender_fullhost = NULL;
1440 uschar *sender_helo_name = NULL;
1441 uschar **sender_host_aliases = &no_aliases;
1442 uschar *sender_host_address = NULL;
1443 uschar *sender_host_authenticated = NULL;
1444 uschar *sender_host_auth_pubname = NULL;
1445 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1446 uschar *sender_host_name = NULL;
1447 int sender_host_port = 0;
1448 uschar *sender_ident = NULL;
1449 uschar *sender_rate = NULL;
1450 uschar *sender_rate_limit = NULL;
1451 uschar *sender_rate_period = NULL;
1452 uschar *sender_rcvhost = NULL;
1453 uschar *sender_unqualified_hosts = NULL;
1454 uschar *sender_verify_failure = NULL;
1455 address_item *sender_verified_list = NULL;
1456 address_item *sender_verified_failed = NULL;
1457 int sender_verified_rc = -1;
1458 uschar *sending_ip_address = NULL;
1459 int sending_port = -1;
1460 SIGNAL_BOOL sigalrm_seen = FALSE;
1461 const uschar *sigalarm_setter = NULL;
1462 uschar **sighup_argv = NULL;
1463 int slow_lookup_log = 0; /* millisecs, zero disables */
1464 int smtp_accept_count = 0;
1465 int smtp_accept_max = 20;
1466 int smtp_accept_max_nonmail= 10;
1467 uschar *smtp_accept_max_nonmail_hosts = US"*";
1468 uschar *smtp_accept_max_per_connection = US"1000";
1469 uschar *smtp_accept_max_per_host = NULL;
1470 int smtp_accept_queue = 0;
1471 int smtp_accept_queue_per_connection = 10;
1472 int smtp_accept_reserve = 0;
1473 uschar *smtp_active_hostname = NULL;
1474 int smtp_backlog_monitor = 0;
1475 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1476 "Exim $version_number $tod_full"
1477 "\0<---------------Space to patch smtp_banner->";
1478 int smtp_ch_index = 0;
1479 uschar *smtp_cmd_argument = NULL;
1480 uschar *smtp_cmd_buffer = NULL;
1481 struct timeval smtp_connection_start = {0,0};
1482 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1483 int smtp_connect_backlog = 20;
1484 double smtp_delay_mail = 0.0;
1485 double smtp_delay_rcpt = 0.0;
1486 FILE *smtp_in = NULL;
1487 int smtp_listen_backlog = 0;
1488 int smtp_load_reserve = -1;
1489 int smtp_mailcmd_count = 0;
1490 int smtp_mailcmd_max = -1;
1491 FILE *smtp_out = NULL;
1492 uschar *smtp_etrn_command = NULL;
1493 int smtp_max_synprot_errors= 3;
1494 int smtp_max_unknown_commands = 3;
1495 uschar *smtp_notquit_reason = NULL;
1496 unsigned smtp_peer_options = 0;
1497 unsigned smtp_peer_options_wrap= 0;
1498 uschar *smtp_ratelimit_hosts = NULL;
1499 uschar *smtp_ratelimit_mail = NULL;
1500 uschar *smtp_ratelimit_rcpt = NULL;
1501 uschar *smtp_read_error = US"";
1502 int smtp_receive_timeout = 5*60;
1503 uschar *smtp_receive_timeout_s = NULL;
1504 uschar *smtp_reserve_hosts = NULL;
1505 int smtp_rlm_base = 0;
1506 double smtp_rlm_factor = 0.0;
1507 int smtp_rlm_limit = 0;
1508 int smtp_rlm_threshold = INT_MAX;
1509 int smtp_rlr_base = 0;
1510 double smtp_rlr_factor = 0.0;
1511 int smtp_rlr_limit = 0;
1512 int smtp_rlr_threshold = INT_MAX;
1514 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1517 #ifdef WITH_CONTENT_SCAN
1518 uschar *spamd_address = US"127.0.0.1 783";
1519 uschar *spam_bar = NULL;
1520 uschar *spam_report = NULL;
1521 uschar *spam_action = NULL;
1522 uschar *spam_score = NULL;
1523 uschar *spam_score_int = NULL;
1526 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1527 uschar *spf_header_comment = NULL;
1528 uschar *spf_received = NULL;
1529 uschar *spf_result = NULL;
1530 uschar *spf_smtp_comment = NULL;
1531 uschar *spf_smtp_comment_template
1532 /* Used to be: "Please%_see%_http://www.open-spf.org/Why?id=%{S}&ip=%{C}&receiver=%{R}" */
1533 = US"Please%_see%_http://www.open-spf.org/Why";
1537 FILE *spool_data_file = NULL;
1538 uschar *spool_directory = US SPOOL_DIRECTORY
1539 "\0<--------------Space to patch spool_directory->";
1541 uschar *srs_recipient = NULL;
1543 int string_datestamp_offset= -1;
1544 int string_datestamp_length= 0;
1545 int string_datestamp_type = -1;
1546 const uschar *submission_domain = NULL;
1547 const uschar *submission_name = NULL;
1548 int syslog_facility = LOG_MAIL;
1549 uschar *syslog_processname = US"exim";
1550 uschar *system_filter = NULL;
1552 uschar *system_filter_directory_transport = NULL;
1553 uschar *system_filter_file_transport = NULL;
1554 uschar *system_filter_pipe_transport = NULL;
1555 uschar *system_filter_reply_transport = NULL;
1557 gid_t system_filter_gid = 0;
1558 uid_t system_filter_uid = (uid_t)-1;
1560 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1561 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1562 #ifdef USE_TCP_WRAPPERS
1563 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1565 int test_harness_load_avg = 0;
1566 int thismessage_size_limit = 0;
1567 int timeout_frozen_after = 0;
1568 #ifdef MEASURE_TIMING
1569 struct timeval timestamp_startup;
1572 transport_instance *transports = NULL;
1574 transport_instance transport_defaults = {
1575 /* All non-mentioned elements zero/NULL/FALSE */
1577 .multi_domain = TRUE,
1578 .max_addresses = 100,
1579 .connection_max_messages = 500,
1582 .filter_timeout = 300,
1583 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1584 1 nor 0 so can detect unset */
1587 int transport_count;
1588 uschar *transport_name = NULL;
1589 int transport_newlines;
1590 const uschar **transport_filter_argv = NULL;
1591 int transport_filter_timeout;
1592 int transport_write_timeout= 0;
1594 tree_node *tree_dns_fails = NULL;
1595 tree_node *tree_duplicates = NULL;
1596 tree_node *tree_nonrecipients = NULL;
1597 tree_node *tree_unusable = NULL;
1599 gid_t *trusted_groups = NULL;
1600 uid_t *trusted_users = NULL;
1601 uschar *timezone_string = US TIMEZONE_DEFAULT;
1603 uschar *unknown_login = NULL;
1604 uschar *unknown_username = NULL;
1605 uschar *untrusted_set_sender = NULL;
1607 /* A regex for matching a "From_" line in an incoming message, in the form
1609 From ph10 Fri Jan 5 12:35 GMT 1996
1611 which the "mail" commands send to the MTA (undocumented, of course), or in
1614 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1616 which is apparently used by some UUCPs, despite it not being in RFC 976.
1617 Because of variations in time formats, just match up to the minutes. That
1618 should be sufficient. Examples have been seen of time fields like 12:1:03,
1619 so just require one digit for hours and minutes. The weekday is also absent
1622 uschar *uucp_from_pattern = US
1623 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1624 "(?:" /* Non-extracting bracket */
1625 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1626 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1627 ")" /* End alternation */
1628 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1630 uschar *uucp_from_sender = US"$1";
1632 uschar *verify_mode = NULL;
1633 uschar *version_copyright =
1634 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1635 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2020";
1636 uschar *version_date = US"?";
1637 uschar *version_cnumber = US"????";
1638 uschar *version_string = US"?";
1640 uschar *warn_message_file = NULL;
1641 int warning_count = 0;
1642 uschar *warnmsg_delay = NULL;
1643 uschar *warnmsg_recipients = NULL;
1646 /* End of globals.c */