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 #ifdef ALLOW_INSECURE_TAINTED_DATA
102 BOOL allow_insecure_tainted_data = FALSE;
105 /* These variables are outside the #ifdef because it keeps the code less
106 cluttered in several places (e.g. during logging) if we can always refer to
107 them. Also, the tls_ variables are now always visible. Note that these are
108 only used for smtp connections, not for service-daemon access. */
110 tls_support tls_in = {
111 .active = {.sock = -1}
112 /* all other elements zero */
114 tls_support tls_out = {
115 .active = {.sock = -1},
116 /* all other elements zero */
119 uschar *dsn_envid = NULL;
121 const pcre2_code *regex_DSN = NULL;
122 uschar *dsn_advertise_hosts = NULL;
125 BOOL gnutls_compat_mode = FALSE;
126 BOOL gnutls_allow_auto_pkcs11 = FALSE;
127 uschar *hosts_require_alpn = NULL;
128 uschar *openssl_options = NULL;
129 const pcre2_code *regex_STARTTLS = NULL;
130 uschar *tls_advertise_hosts = US"*";
131 uschar *tls_alpn = US"smtp:esmtp";
132 uschar *tls_certificate = NULL;
133 uschar *tls_crl = NULL;
134 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
135 that's the interop problem which has been observed: GnuTLS suggesting a higher
136 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
137 int tls_dh_max_bits = 2236;
138 uschar *tls_dhparam = NULL;
139 uschar *tls_eccurve = US"auto";
140 # ifndef DISABLE_OCSP
141 uschar *tls_ocsp_file = NULL;
143 uschar *tls_privatekey = NULL;
144 BOOL tls_remember_esmtp = FALSE;
145 uschar *tls_require_ciphers = NULL;
146 # ifndef DISABLE_TLS_RESUME
147 uschar *tls_resumption_hosts = NULL;
149 uschar *tls_try_verify_hosts = NULL;
150 uschar *tls_verify_certificates= US"system";
151 uschar *tls_verify_hosts = NULL;
152 int tls_watch_fd = -1;
153 time_t tls_watch_trigger_time = (time_t)0;
154 #else /*DISABLE_TLS*/
155 uschar *tls_advertise_hosts = NULL;
159 /* Per Recipient Data Response variables */
160 BOOL prdr_enable = FALSE;
161 BOOL prdr_requested = FALSE;
162 const pcre2_code *regex_PRDR = NULL;
166 const pcre2_code *regex_UTF8 = NULL;
169 /* Input-reading functions for messages, so we can use special ones for
170 incoming TCP/IP. The defaults use stdin. We never need these for any
171 stand-alone tests. */
173 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
174 int (*lwr_receive_getc)(unsigned) = stdin_getc;
175 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
176 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
177 BOOL (*lwr_receive_hasc)(void) = stdin_hasc;
179 int (*receive_getc)(unsigned) = stdin_getc;
180 uschar * (*receive_getbuf)(unsigned *) = NULL;
181 void (*receive_get_cache)(unsigned) = NULL;
182 BOOL (*receive_hasc)(void) = stdin_hasc;
183 int (*receive_ungetc)(int) = stdin_ungetc;
184 int (*receive_feof)(void) = stdin_feof;
185 int (*receive_ferror)(void) = stdin_ferror;
189 /* List of per-address expansion variables for clearing and saving/restoring
190 when verifying one address while routing/verifying another. We have to have
191 the size explicit, because it is referenced from more than one module. */
193 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
194 CUSS &deliver_address_data,
195 CUSS &deliver_domain,
196 CUSS &deliver_domain_data,
197 CUSS &deliver_domain_orig,
198 CUSS &deliver_domain_parent,
199 CUSS &deliver_localpart,
200 CUSS &deliver_localpart_data,
201 CUSS &deliver_localpart_orig,
202 CUSS &deliver_localpart_parent,
203 CUSS &deliver_localpart_prefix,
204 CUSS &deliver_localpart_suffix,
205 CUSS (uschar **)(&deliver_recipients),
213 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
215 /******************************************************************************/
216 /* General global variables. Boolean flags are done as a group
217 so that only one bit each is needed, packed, for all those we never
218 need to take a pointer - and only a char for the rest.
219 This means a struct, unfortunately since it clutters the sourcecode. */
221 struct global_flags f =
223 .acl_temp_details = FALSE,
224 .active_local_from_check = FALSE,
225 .active_local_sender_retain = FALSE,
226 .address_test_mode = FALSE,
228 .allow_auth_unadvertised= FALSE,
229 .allow_unqualified_recipient = TRUE, /* For local messages */
230 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
231 .authentication_local = FALSE,
233 .background_daemon = TRUE,
234 .bdat_readers_wanted = FALSE,
236 .chunking_offered = FALSE,
237 .config_changed = FALSE,
238 .continue_more = FALSE,
240 .daemon_listen = FALSE,
241 .debug_daemon = FALSE,
242 .deliver_firsttime = FALSE,
243 .deliver_force = FALSE,
244 .deliver_freeze = FALSE,
245 .deliver_force_thaw = FALSE,
246 .deliver_manual_thaw = FALSE,
247 .deliver_selectstring_regex = FALSE,
248 .deliver_selectstring_sender_regex = FALSE,
249 .disable_callout_flush = FALSE,
250 .disable_delay_flush = FALSE,
251 .disable_logging = FALSE,
253 .dkim_disable_verify = FALSE,
254 .dkim_init_done = FALSE,
257 .dmarc_has_been_checked = FALSE,
258 .dmarc_disable_verify = FALSE,
259 .dmarc_enable_forensic = FALSE,
261 .dont_deliver = FALSE,
264 .enable_dollar_recipients = FALSE,
265 .expand_string_forcedfail = FALSE,
267 .filter_running = FALSE,
269 .header_rewritten = FALSE,
270 .helo_verified = FALSE,
271 .helo_verify_failed = FALSE,
272 .host_checking_callout = FALSE,
273 .host_find_failed_syntax= FALSE,
275 .inetd_wait_mode = FALSE,
278 .local_error_message = FALSE,
279 .log_testing_mode = FALSE,
281 #ifdef WITH_CONTENT_SCAN
282 .no_mbox_unspool = FALSE,
284 .no_multiline_responses = FALSE,
286 .parse_allow_group = FALSE,
287 .parse_found_group = FALSE,
288 .pipelining_enable = TRUE,
289 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
290 .proxy_session_failed = FALSE,
293 .queue_2stage = FALSE,
294 .queue_only_policy = FALSE,
295 .queue_run_first_delivery = FALSE,
296 .queue_run_force = FALSE,
297 .queue_run_local = FALSE,
298 .queue_running = FALSE,
302 .receive_call_bombout = FALSE,
303 .recipients_discarded = FALSE,
304 .running_in_test_harness = FALSE,
306 .search_find_defer = FALSE,
307 .sender_address_forced = FALSE,
308 .sender_host_notsocket = FALSE,
309 .sender_host_unknown = FALSE,
310 .sender_local = FALSE,
311 .sender_name_forced = FALSE,
312 .sender_set_untrusted = FALSE,
313 .smtp_authenticated = FALSE,
314 #ifndef DISABLE_PIPE_CONNECT
315 .smtp_in_early_pipe_advertised = FALSE,
316 .smtp_in_early_pipe_no_auth = FALSE,
317 .smtp_in_early_pipe_used = FALSE,
319 .smtp_in_pipelining_advertised = FALSE,
320 .smtp_in_pipelining_used = FALSE,
321 .smtp_in_quit = FALSE,
322 .spool_file_wireformat = FALSE,
323 .submission_mode = FALSE,
324 .suppress_local_fixups = FALSE,
325 .suppress_local_fixups_default = FALSE,
326 .synchronous_delivery = FALSE,
327 .system_filtering = FALSE,
329 .taint_check_slow = FALSE,
330 .testsuite_delays = TRUE,
331 .tcp_fastopen_ok = FALSE,
332 .tcp_in_fastopen = FALSE,
333 .tcp_in_fastopen_data = FALSE,
334 .tcp_in_fastopen_logged = FALSE,
335 .tcp_out_fastopen_logged= FALSE,
336 .timestamps_utc = FALSE,
337 .transport_filter_timed_out = FALSE,
338 .trusted_caller = FALSE,
339 .trusted_config = TRUE,
342 /******************************************************************************/
343 /* These are the flags which are either variables or mainsection options,
344 so an address is needed for access, or are exported to local_scan. */
346 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
347 BOOL allow_domain_literals = FALSE;
348 BOOL allow_mx_to_ip = FALSE;
349 BOOL allow_utf8_domains = FALSE;
350 BOOL authentication_failed = FALSE;
352 BOOL bounce_return_body = TRUE;
353 BOOL bounce_return_message = TRUE;
354 BOOL check_rfc2047_length = TRUE;
355 BOOL commandline_checks_require_admin = FALSE;
357 #ifdef EXPERIMENTAL_DCC
358 BOOL dcc_direct_add_header = FALSE;
360 BOOL debug_store = FALSE;
361 BOOL delivery_date_remove = TRUE;
362 BOOL deliver_drop_privilege = FALSE;
363 #ifdef ENABLE_DISABLE_FSYNC
364 BOOL disable_fsync = FALSE;
366 BOOL disable_ipv6 = FALSE;
367 BOOL dns_csa_use_reverse = TRUE;
368 BOOL drop_cr = FALSE; /* No longer used */
370 BOOL envelope_to_remove = TRUE;
371 BOOL exim_gid_set = TRUE; /* This gid is always set */
372 BOOL exim_uid_set = TRUE; /* This uid is always set */
373 BOOL extract_addresses_remove_arguments = TRUE;
375 BOOL host_checking = FALSE;
376 BOOL host_lookup_deferred = FALSE;
377 BOOL host_lookup_failed = FALSE;
378 BOOL ignore_fromline_local = FALSE;
380 BOOL local_from_check = TRUE;
381 BOOL local_sender_retain = FALSE;
382 BOOL log_timezone = FALSE;
383 BOOL message_body_newlines = FALSE;
384 BOOL message_logs = TRUE;
386 BOOL message_smtputf8 = FALSE;
388 BOOL mua_wrapper = FALSE;
390 BOOL preserve_message_logs = FALSE;
391 BOOL print_topbitchars = FALSE;
392 BOOL prod_requires_admin = TRUE;
393 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
394 BOOL proxy_session = FALSE;
397 #ifndef DISABLE_QUEUE_RAMP
398 BOOL queue_fast_ramp = FALSE;
400 BOOL queue_list_requires_admin = TRUE;
401 BOOL queue_only = FALSE;
402 BOOL queue_only_load_latch = TRUE;
403 BOOL queue_only_override = TRUE;
404 BOOL queue_run_in_order = FALSE;
405 BOOL recipients_max_reject = FALSE;
406 BOOL return_path_remove = TRUE;
408 BOOL smtp_batched_input = FALSE;
409 BOOL sender_helo_dnssec = FALSE;
410 BOOL sender_host_dnssec = FALSE;
411 BOOL smtp_accept_keepalive = TRUE;
412 BOOL smtp_check_spool_space = TRUE;
413 BOOL smtp_enforce_sync = TRUE;
414 BOOL smtp_etrn_serialize = TRUE;
415 BOOL smtp_input = FALSE;
416 BOOL smtp_return_error_details = FALSE;
418 BOOL spf_result_guessed = FALSE;
420 BOOL split_spool_directory = FALSE;
421 BOOL spool_wireformat = FALSE;
422 BOOL strict_acl_vars = FALSE;
423 BOOL strip_excess_angle_brackets = FALSE;
424 BOOL strip_trailing_dot = FALSE;
425 BOOL syslog_duplication = TRUE;
426 BOOL syslog_pid = TRUE;
427 BOOL syslog_timestamp = TRUE;
428 BOOL system_filter_gid_set = FALSE;
429 BOOL system_filter_uid_set = FALSE;
431 BOOL tcp_nodelay = TRUE;
432 BOOL write_rejectlog = TRUE;
434 /******************************************************************************/
436 header_line *acl_added_headers = NULL;
437 tree_node *acl_anchor = NULL;
438 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
439 NULL, NULL, NULL, NULL};
444 uschar *acl_not_smtp = NULL;
445 #ifdef WITH_CONTENT_SCAN
446 uschar *acl_not_smtp_mime = NULL;
448 uschar *acl_not_smtp_start = NULL;
449 uschar *acl_removed_headers = NULL;
450 uschar *acl_smtp_auth = NULL;
451 uschar *acl_smtp_connect = NULL;
452 uschar *acl_smtp_data = NULL;
454 uschar *acl_smtp_data_prdr = US"accept";
457 uschar *acl_smtp_dkim = NULL;
459 uschar *acl_smtp_etrn = NULL;
460 uschar *acl_smtp_expn = NULL;
461 uschar *acl_smtp_helo = NULL;
462 uschar *acl_smtp_mail = NULL;
463 uschar *acl_smtp_mailauth = NULL;
464 #ifdef WITH_CONTENT_SCAN
465 uschar *acl_smtp_mime = NULL;
467 uschar *acl_smtp_notquit = NULL;
468 uschar *acl_smtp_predata = NULL;
469 uschar *acl_smtp_quit = NULL;
470 uschar *acl_smtp_rcpt = NULL;
471 uschar *acl_smtp_starttls = NULL;
472 uschar *acl_smtp_vrfy = NULL;
474 tree_node *acl_var_c = NULL;
475 tree_node *acl_var_m = NULL;
476 uschar *acl_verify_message = NULL;
477 string_item *acl_warn_logged = NULL;
479 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
480 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
482 uschar *acl_wherenames[] = { US"RCPT",
507 uschar *acl_wherecodes[] = { US"550", /* RCPT */
509 US"550", /* PREDATA */
514 US"550", /* RCPT PRDR */
516 US"0", /* not SMTP; not relevant */
518 US"550", /* connect */
521 US"550", /* HELO/EHLO */
522 US"0", /* MAILAUTH; not relevant */
523 US"0", /* not SMTP; not relevant */
524 US"0", /* NOTQUIT; not relevant */
525 US"0", /* QUIT; not relevant */
526 US"550", /* STARTTLS */
528 US"0", /* delivery; not relevant */
529 US"0" /* unknown; not relevant */
532 uschar *add_environment = NULL;
533 address_item *addr_duplicate = NULL;
535 address_item address_defaults = {
540 .start_router = NULL,
545 .fallback_hosts = NULL,
550 .cc_local_part = NULL,
551 .lc_local_part = NULL,
558 .address_retry_key = NULL,
559 .domain_retry_key = NULL,
563 .user_message = NULL,
564 .onetime_parent = NULL,
565 .pipe_expandn = NULL,
566 .return_filename = NULL,
567 .self_hostname = NULL,
568 .shadow_message = NULL,
574 .ocsp = OCSP_NOT_REQ,
576 #ifdef EXPERIMENTAL_DSN_INFO
577 .smtp_greeting = NULL,
578 .helo_response = NULL,
580 .authenticator = NULL,
589 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
590 .localpart_cache = { 0 }, /* localpart_cache - ditto */
593 .delivery_time = {.tv_sec = 0, .tv_usec = 0},
594 .basic_errno = ERRNO_UNKNOWNERROR,
597 .special_action = SPECIAL_NONE,
598 .transport_return = DEFER,
599 .prop = { /* fields that are propagated to children */
600 .address_data = NULL,
602 .localpart_data = NULL,
603 .errors_address = NULL,
604 .extra_headers = NULL,
605 .remove_headers = NULL,
607 .ignore_error = FALSE,
610 .utf8_downcvt = FALSE,
611 .utf8_downcvt_maybe = FALSE
616 uschar *address_file = NULL;
617 uschar *address_pipe = NULL;
618 tree_node *addresslist_anchor = NULL;
619 int addresslist_count = 0;
620 gid_t *admin_groups = NULL;
622 #ifdef EXPERIMENTAL_ARC
623 struct arc_set *arc_received = NULL;
624 int arc_received_instance = 0;
625 int arc_oldest_pass = 0;
626 const uschar *arc_state = NULL;
627 const uschar *arc_state_reason = NULL;
630 uschar *authenticated_fail_id = NULL;
631 uschar *authenticated_id = NULL;
632 uschar *authenticated_sender = NULL;
633 auth_instance *auths = NULL;
634 uschar *auth_advertise_hosts = US"*";
635 auth_instance auth_defaults = {
639 .options_block = NULL,
641 .advertise_condition = NULL,
642 .client_condition = NULL,
645 .set_client_id = NULL,
646 .mail_auth_condition = NULL,
647 .server_debug_string = NULL,
648 .server_condition = NULL,
654 uschar *auth_defer_msg = US"reason not recorded";
655 uschar *auth_defer_user_msg = US"";
656 const uschar *auth_vars[AUTH_VARS];
658 #ifdef WITH_CONTENT_SCAN
659 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
660 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
664 uschar *base62_chars=
665 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
667 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
670 uschar *bi_command = NULL;
671 uschar *big_buffer = NULL;
672 int big_buffer_size = BIG_BUFFER_SIZE;
673 #ifdef EXPERIMENTAL_BRIGHTMAIL
674 uschar *bmi_alt_location = NULL;
675 uschar *bmi_base64_tracker_verdict = NULL;
676 uschar *bmi_base64_verdict = NULL;
677 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
680 uschar *bmi_verdicts = NULL;
682 int bsmtp_transaction_linecount = 0;
683 int body_8bitmime = 0;
684 int body_linecount = 0;
685 int body_zerocount = 0;
686 uschar *bounce_message_file = NULL;
687 uschar *bounce_message_text = NULL;
688 uschar *bounce_recipient = NULL;
689 int bounce_return_linesize_limit = 998;
690 int bounce_return_size_limit = 100*1024;
691 uschar *bounce_sender_authentication = NULL;
693 uschar *callout_address = NULL;
694 int callout_cache_domain_positive_expire = 7*24*60*60;
695 int callout_cache_domain_negative_expire = 3*60*60;
696 int callout_cache_positive_expire = 24*60*60;
697 int callout_cache_negative_expire = 2*60*60;
698 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
699 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
700 int check_log_inodes = 100;
701 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
702 int check_spool_inodes = 100;
703 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
705 uschar *chunking_advertise_hosts = US"*";
706 unsigned chunking_datasize = 0;
707 unsigned chunking_data_left = 0;
708 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
709 const pcre2_code *regex_CHUNKING = NULL;
711 #ifdef EXPERIMENTAL_ESMTP_LIMITS
712 const pcre2_code *regex_LIMITS = NULL;
715 uschar *client_authenticator = NULL;
716 uschar *client_authenticated_id = NULL;
717 uschar *client_authenticated_sender = NULL;
718 int clmacro_count = 0;
719 uschar *clmacros[MAX_CLMACROS];
720 FILE *config_file = NULL;
721 const uschar *config_filename = NULL;
722 int config_lineno = 0;
723 #ifdef CONFIGURE_GROUP
724 gid_t config_gid = CONFIGURE_GROUP;
726 gid_t config_gid = 0;
728 uschar *config_main_filelist = US CONFIGURE_FILE
729 "\0<-----------Space to patch configure_filename->";
730 uschar *config_main_filename = NULL;
731 uschar *config_main_directory = NULL;
733 #ifdef CONFIGURE_OWNER
734 uid_t config_uid = CONFIGURE_OWNER;
736 uid_t config_uid = 0;
739 int connection_max_messages= -1;
740 uschar *continue_proxy_cipher = NULL;
741 BOOL continue_proxy_dane = FALSE;
742 uschar *continue_proxy_sni = NULL;
743 uschar *continue_hostname = NULL;
744 uschar *continue_host_address = NULL;
745 int continue_sequence = 1;
746 uschar *continue_transport = NULL;
747 #ifdef EXPERIMENTAL_ESMTP_LIMITS
748 unsigned continue_limit_mail = 0;
749 unsigned continue_limit_rcpt = 0;
750 unsigned continue_limit_rcptdom= 0;
753 uschar *csa_status = NULL;
755 .callout_hold_only = FALSE, /* verify-only: normal delivery */
756 .delivery = FALSE, /* when to attempt */
757 .defer_pass = FALSE, /* on defer: spool locally */
758 .is_tls = FALSE, /* not a TLS conn yet */
759 .cctx = {.sock = -1}, /* open connection */
760 .nrcpt = 0, /* number of addresses */
763 int daemon_notifier_fd = -1;
764 uschar *daemon_smtp_port = US"smtp";
765 int daemon_startup_retries = 9;
766 int daemon_startup_sleep = 30;
768 #ifdef EXPERIMENTAL_DCC
769 uschar *dcc_header = NULL;
770 uschar *dcc_result = NULL;
771 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
772 uschar *dccifd_options = US"header";
776 FILE *debug_file = NULL;
777 int debug_notall[] = {
782 bit_table debug_options[] = { /* must be in alphabetical order and use
783 only the enum values from macro.h */
787 BIT_TABLE(D, deliver),
791 BIT_TABLE(D, expand),
792 BIT_TABLE(D, filter),
793 BIT_TABLE(D, hints_lookup),
794 BIT_TABLE(D, host_lookup),
796 BIT_TABLE(D, interface),
799 BIT_TABLE(D, local_scan),
800 BIT_TABLE(D, lookup),
801 BIT_TABLE(D, memory),
802 BIT_TABLE(D, noutf8),
804 BIT_TABLE(D, process_info),
805 BIT_TABLE(D, queue_run),
806 BIT_TABLE(D, receive),
807 BIT_TABLE(D, resolver),
809 BIT_TABLE(D, rewrite),
811 BIT_TABLE(D, timestamp),
813 BIT_TABLE(D, transport),
815 BIT_TABLE(D, verify),
817 int debug_options_count = nelem(debug_options);
818 unsigned debug_pretrigger_bsize= 0;
819 uschar * debug_pretrigger_buf = NULL;
820 unsigned int debug_selector = 0;
822 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
823 uschar *delay_warning_condition=
825 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
826 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
827 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
829 uschar *deliver_address_data = NULL;
830 int deliver_datafile = -1;
831 const uschar *deliver_domain = NULL;
832 uschar *deliver_domain_data = NULL;
833 const uschar *deliver_domain_orig = NULL;
834 const uschar *deliver_domain_parent = NULL;
835 time_t deliver_frozen_at = 0;
836 uschar *deliver_home = NULL;
837 const uschar *deliver_host = NULL;
838 const uschar *deliver_host_address = NULL;
839 int deliver_host_port = 0;
840 uschar *deliver_in_buffer = NULL;
841 ino_t deliver_inode = 0;
842 uschar *deliver_localpart = NULL;
843 uschar *deliver_localpart_data = NULL;
844 uschar *deliver_localpart_orig = NULL;
845 uschar *deliver_localpart_parent = NULL;
846 uschar *deliver_localpart_prefix = NULL;
847 uschar *deliver_localpart_prefix_v = NULL;
848 uschar *deliver_localpart_suffix = NULL;
849 uschar *deliver_localpart_suffix_v = NULL;
850 uschar *deliver_out_buffer = NULL;
851 int deliver_queue_load_max = -1;
852 address_item *deliver_recipients = NULL;
853 uschar *deliver_selectstring = NULL;
854 uschar *deliver_selectstring_sender = NULL;
857 unsigned dkim_collect_input = 0;
858 uschar *dkim_cur_signer = NULL;
859 int dkim_key_length = 0;
860 void *dkim_signatures = NULL;
861 uschar *dkim_signers = NULL;
862 uschar *dkim_signing_domain = NULL;
863 uschar *dkim_signing_selector = NULL;
864 uschar *dkim_verify_hashes = US"sha256:sha512";
865 uschar *dkim_verify_keytypes = US"ed25519:rsa";
866 uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
867 BOOL dkim_verify_minimal = FALSE;
868 uschar *dkim_verify_overall = NULL;
869 uschar *dkim_verify_signers = US"$dkim_signers";
870 uschar *dkim_verify_status = NULL;
871 uschar *dkim_verify_reason = NULL;
874 uschar *dmarc_domain_policy = NULL;
875 uschar *dmarc_forensic_sender = NULL;
876 uschar *dmarc_history_file = NULL;
877 uschar *dmarc_status = NULL;
878 uschar *dmarc_status_text = NULL;
879 uschar *dmarc_tld_file = NULL;
880 uschar *dmarc_used_domain = NULL;
883 uschar *dns_again_means_nonexist = NULL;
884 int dns_csa_search_limit = 5;
885 int dns_cname_loops = 1;
887 int dns_dane_ok = -1;
889 uschar *dns_ipv4_lookup = NULL;
892 int dns_dnssec_ok = -1; /* <0 = not coerced */
893 uschar *dns_trust_aa = NULL;
894 int dns_use_edns0 = -1; /* <0 = not coerced */
895 uschar *dnslist_domain = NULL;
896 uschar *dnslist_matched = NULL;
897 uschar *dnslist_text = NULL;
898 uschar *dnslist_value = NULL;
899 tree_node *domainlist_anchor = NULL;
900 int domainlist_count = 0;
901 uschar *dsn_from = US DEFAULT_DSN_FROM;
902 unsigned int dtrigger_selector = 0;
904 int errno_quota = ERRNO_QUOTA;
905 uschar *errors_copy = NULL;
906 int error_handling = ERRORS_SENDER;
907 uschar *errors_reply_to = NULL;
908 int errors_sender_rc = EXIT_FAILURE;
909 #ifndef DISABLE_EVENT
910 uschar *event_action = NULL; /* expansion for delivery events */
911 uschar *event_data = NULL; /* auxiliary data variable for event */
912 int event_defer_errno = 0;
913 const uschar *event_name = NULL; /* event name variable */
917 gid_t exim_gid = EXIM_GID;
918 uschar *exim_path = US BIN_DIRECTORY "/exim"
919 "\0<---------------Space to patch exim_path->";
920 uid_t exim_uid = EXIM_UID;
921 int expand_level = 0; /* Nesting depth, indent for debug */
922 int expand_forbid = 0;
923 int expand_nlength[EXPAND_MAXN+1];
924 int expand_nmax = -1;
925 const uschar *expand_nstring[EXPAND_MAXN+1];
926 uschar *expand_string_message;
927 uschar *extra_local_interfaces = NULL;
929 int fake_response = OK;
930 uschar *fake_response_text = US"Your message has been rejected but is "
931 "being kept for evaluation.\nIf it was a "
932 "legitimate message, it may still be "
933 "delivered to the target recipient(s).";
934 int filter_n[FILTER_VARIABLE_COUNT];
935 int filter_sn[FILTER_VARIABLE_COUNT];
936 int filter_test = FTEST_NONE;
937 uschar *filter_test_sfile = NULL;
938 uschar *filter_test_ufile = NULL;
939 uschar *filter_thisaddress = NULL;
940 int finduser_retries = 0;
941 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
942 uschar *freeze_tell = NULL;
943 uschar *freeze_tell_config = NULL;
944 uschar *fudged_queue_times = US"";
946 uschar *gecos_name = NULL;
947 uschar *gecos_pattern = NULL;
948 rewrite_rule *global_rewrite_rules = NULL;
950 volatile sig_atomic_t had_command_timeout = 0;
951 volatile sig_atomic_t had_command_sigterm = 0;
952 volatile sig_atomic_t had_data_timeout = 0;
953 volatile sig_atomic_t had_data_sigint = 0;
954 const uschar *headers_charset = US HEADERS_CHARSET;
955 int header_insert_maxlen = 64 * 1024;
956 header_line *header_last = NULL;
957 header_line *header_list = NULL;
958 int header_maxsize = HEADER_MAXSIZE;
959 int header_line_maxsize = 0;
961 header_name header_names[] = {
962 /* name len allow_resent htype */
963 { US"bcc", 3, TRUE, htype_bcc },
964 { US"cc", 2, TRUE, htype_cc },
965 { US"date", 4, TRUE, htype_date },
966 { US"delivery-date", 13, FALSE, htype_delivery_date },
967 { US"envelope-to", 11, FALSE, htype_envelope_to },
968 { US"from", 4, TRUE, htype_from },
969 { US"message-id", 10, TRUE, htype_id },
970 { US"received", 8, FALSE, htype_received },
971 { US"reply-to", 8, FALSE, htype_reply_to },
972 { US"return-path", 11, FALSE, htype_return_path },
973 { US"sender", 6, TRUE, htype_sender },
974 { US"subject", 7, FALSE, htype_subject },
975 { US"to", 2, TRUE, htype_to }
978 int header_names_size = nelem(header_names);
980 uschar *helo_accept_junk_hosts = NULL;
981 uschar *helo_allow_chars = US"";
982 uschar *helo_lookup_domains = US"@ : @[]";
983 uschar *helo_try_verify_hosts = NULL;
984 uschar *helo_verify_hosts = NULL;
985 const uschar *hex_digits = CUS"0123456789abcdef";
986 uschar *hold_domains = NULL;
987 uschar *host_data = NULL;
988 uschar *host_lookup = NULL;
989 uschar *host_lookup_order = US"bydns:byaddr";
990 uschar *host_lookup_msg = US"";
992 uschar *host_number_string = NULL;
993 uschar *host_reject_connection = NULL;
994 tree_node *hostlist_anchor = NULL;
995 int hostlist_count = 0;
996 uschar *hosts_treat_as_local = NULL;
997 uschar *hosts_require_helo = US"*";
998 uschar *hosts_connection_nolog = NULL;
1000 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
1001 uschar *ignore_fromline_hosts = NULL;
1002 int inetd_wait_timeout = -1;
1003 uschar *initial_cwd = NULL;
1004 uschar *interface_address = NULL;
1005 int interface_port = -1;
1006 uschar *iterate_item = NULL;
1008 int journal_fd = -1;
1010 uschar *keep_environment = NULL;
1012 int keep_malformed = 4*24*60*60; /* 4 days */
1014 uschar *eldap_dn = NULL;
1015 #ifdef EXPERIMENTAL_ESMTP_LIMITS
1016 uschar *limits_advertise_hosts = US"*";
1018 int load_average = -2;
1019 uschar *local_from_prefix = NULL;
1020 uschar *local_from_suffix = NULL;
1023 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1025 uschar *local_interfaces = US"0.0.0.0";
1028 #ifdef HAVE_LOCAL_SCAN
1029 uschar *local_scan_data = NULL;
1030 int local_scan_timeout = 5*60;
1032 gid_t local_user_gid = (gid_t)(-1);
1033 uid_t local_user_uid = (uid_t)(-1);
1035 tree_node *localpartlist_anchor= NULL;
1036 int localpartlist_count = 0;
1037 uschar *log_buffer = NULL;
1039 int log_default[] = { /* for initializing log_selector */
1040 Li_acl_warn_skipped,
1041 Li_connection_reject,
1046 Li_host_lookup_failed,
1047 Li_lost_incoming_connection,
1048 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1051 Li_queue_time_exclusive,
1054 Li_sender_verify_fail,
1057 Li_smtp_confirmation,
1058 #ifdef ALLOW_INSECURE_TAINTED_DATA
1061 Li_tls_certificate_verified,
1066 uschar *log_file_path = US LOG_FILE_PATH
1067 "\0<--------------Space to patch log_file_path->";
1069 int log_notall[] = {
1072 bit_table log_options[] = { /* must be in alphabetical order,
1073 with definitions from enum logbit. */
1074 BIT_TABLE(L, 8bitmime),
1075 BIT_TABLE(L, acl_warn_skipped),
1076 BIT_TABLE(L, address_rewrite),
1078 BIT_TABLE(L, all_parents),
1079 BIT_TABLE(L, arguments),
1080 BIT_TABLE(L, connection_reject),
1081 BIT_TABLE(L, delay_delivery),
1082 BIT_TABLE(L, deliver_time),
1083 BIT_TABLE(L, delivery_size),
1084 #ifndef DISABLE_DKIM
1086 BIT_TABLE(L, dkim_verbose),
1088 BIT_TABLE(L, dnslist_defer),
1089 BIT_TABLE(L, dnssec),
1091 BIT_TABLE(L, host_lookup_failed),
1092 BIT_TABLE(L, ident_timeout),
1093 BIT_TABLE(L, incoming_interface),
1094 BIT_TABLE(L, incoming_port),
1095 BIT_TABLE(L, lost_incoming_connection),
1096 BIT_TABLE(L, millisec),
1097 BIT_TABLE(L, msg_id),
1098 BIT_TABLE(L, msg_id_created),
1099 BIT_TABLE(L, outgoing_interface),
1100 BIT_TABLE(L, outgoing_port),
1102 BIT_TABLE(L, pipelining),
1103 BIT_TABLE(L, protocol_detail),
1104 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1105 BIT_TABLE(L, proxy),
1107 BIT_TABLE(L, queue_run),
1108 BIT_TABLE(L, queue_time),
1109 BIT_TABLE(L, queue_time_exclusive),
1110 BIT_TABLE(L, queue_time_overall),
1111 BIT_TABLE(L, receive_time),
1112 BIT_TABLE(L, received_recipients),
1113 BIT_TABLE(L, received_sender),
1114 BIT_TABLE(L, rejected_header),
1115 { US"rejected_headers", Li_rejected_header },
1116 BIT_TABLE(L, retry_defer),
1117 BIT_TABLE(L, return_path_on_delivery),
1118 BIT_TABLE(L, sender_on_delivery),
1119 BIT_TABLE(L, sender_verify_fail),
1120 BIT_TABLE(L, size_reject),
1121 BIT_TABLE(L, skip_delivery),
1122 BIT_TABLE(L, smtp_confirmation),
1123 BIT_TABLE(L, smtp_connection),
1124 BIT_TABLE(L, smtp_incomplete_transaction),
1125 BIT_TABLE(L, smtp_mailauth),
1126 BIT_TABLE(L, smtp_no_mail),
1127 BIT_TABLE(L, smtp_protocol_error),
1128 BIT_TABLE(L, smtp_syntax_error),
1129 BIT_TABLE(L, subject),
1130 #ifdef ALLOW_INSECURE_TAINTED_DATA
1131 BIT_TABLE(L, tainted),
1133 BIT_TABLE(L, tls_certificate_verified),
1134 BIT_TABLE(L, tls_cipher),
1135 BIT_TABLE(L, tls_peerdn),
1136 BIT_TABLE(L, tls_resumption),
1137 BIT_TABLE(L, tls_sni),
1138 BIT_TABLE(L, unknown_in_list),
1140 int log_options_count = nelem(log_options);
1142 int log_reject_target = 0;
1143 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1144 uschar *log_selector_string = NULL;
1145 FILE *log_stderr = NULL;
1146 uschar *login_sender_address = NULL;
1147 uschar *lookup_dnssec_authenticated = NULL;
1148 int lookup_open_max = 25;
1149 uschar *lookup_value = NULL;
1151 macro_item *macros_user = NULL;
1152 uschar *mailstore_basename = NULL;
1153 #ifdef WITH_CONTENT_SCAN
1154 uschar *malware_name = NULL; /* Virus Name */
1156 int max_received_linelength= 0;
1157 int max_username_length = 0;
1158 int message_age = 0;
1159 uschar *message_body = NULL;
1160 uschar *message_body_end = NULL;
1161 int message_body_size = 0;
1162 int message_body_visible = 500;
1163 int message_ended = END_NOTSTARTED;
1164 uschar *message_headers = NULL;
1166 uschar *message_id_domain = NULL;
1167 uschar *message_id_text = NULL;
1168 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1169 uschar *message_id_external;
1170 int message_linecount = 0;
1171 int message_size = 0;
1172 uschar *message_size_limit = US"50M";
1174 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1176 uschar message_subdir[2] = { 0, 0 };
1177 uschar *message_reference = NULL;
1179 /* MIME ACL expandables */
1180 #ifdef WITH_CONTENT_SCAN
1181 int mime_anomaly_level = 0;
1182 const uschar *mime_anomaly_text = NULL;
1183 uschar *mime_boundary = NULL;
1184 uschar *mime_charset = NULL;
1185 uschar *mime_content_description = NULL;
1186 uschar *mime_content_disposition = NULL;
1187 uschar *mime_content_id = NULL;
1188 unsigned int mime_content_size = 0;
1189 uschar *mime_content_transfer_encoding = NULL;
1190 uschar *mime_content_type = NULL;
1191 uschar *mime_decoded_filename = NULL;
1192 uschar *mime_filename = NULL;
1193 int mime_is_multipart = 0;
1194 int mime_is_coverletter = 0;
1195 int mime_is_rfc822 = 0;
1196 int mime_part_count = -1;
1199 uid_t *never_users = NULL;
1200 uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1202 const int on = 1; /* for setsockopt */
1205 uid_t original_euid;
1206 gid_t originator_gid;
1207 uschar *originator_login = NULL;
1208 uschar *originator_name = NULL;
1209 uid_t originator_uid;
1210 uschar *override_local_interfaces = NULL;
1211 uschar *override_pid_file_path = NULL;
1213 pcre2_general_context * pcre_gen_ctx = NULL;
1214 pcre2_compile_context * pcre_cmp_ctx = NULL;
1215 pcre2_match_context * pcre_mtc_ctx = NULL;
1217 uschar *percent_hack_domains = NULL;
1218 uschar *pid_file_path = US PID_FILE_PATH
1219 "\0<--------------Space to patch pid_file_path->";
1220 #ifndef DISABLE_PIPE_CONNECT
1221 uschar *pipe_connect_advertise_hosts = US"*";
1223 uschar *pipelining_advertise_hosts = US"*";
1224 uschar *primary_hostname = NULL;
1225 uschar *process_info;
1226 int process_info_len = 0;
1227 uschar *process_log_path = NULL;
1228 const uschar *process_purpose = US"fresh-exec";
1230 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1231 uschar *hosts_proxy = NULL;
1232 uschar *proxy_external_address = NULL;
1233 int proxy_external_port = 0;
1234 uschar *proxy_local_address = NULL;
1235 int proxy_local_port = 0;
1236 int proxy_protocol_timeout = 3;
1239 uschar *prvscheck_address = NULL;
1240 uschar *prvscheck_keynum = NULL;
1241 uschar *prvscheck_result = NULL;
1244 const uschar *qualify_domain_recipient = NULL;
1245 uschar *qualify_domain_sender = NULL;
1246 uschar *queue_domains = NULL;
1247 int queue_interval = -1;
1248 uschar *queue_name = US"";
1249 uschar *queue_name_dest = NULL;
1250 uschar *queue_only_file = NULL;
1251 int queue_only_load = -1;
1252 uschar *queue_run_max = US"5";
1253 pid_t queue_run_pid = (pid_t)0;
1254 int queue_run_pipe = -1;
1255 unsigned queue_size = 0;
1256 time_t queue_size_next = 0;
1257 uschar *queue_smtp_domains = NULL;
1259 uint32_t random_seed = 0;
1260 tree_node *ratelimiters_cmd = NULL;
1261 tree_node *ratelimiters_conn = NULL;
1262 tree_node *ratelimiters_mail = NULL;
1263 uschar *raw_active_hostname = NULL;
1264 uschar *raw_sender = NULL;
1265 uschar **raw_recipients = NULL;
1266 int raw_recipients_count = 0;
1269 int rcpt_fail_count = 0;
1270 int rcpt_defer_count = 0;
1273 int receive_linecount = 0;
1274 int receive_messagecount = 0;
1275 int receive_timeout = 0;
1276 int received_count = 0;
1277 uschar *received_for = NULL;
1279 /* This is the default text for Received headers generated by Exim. The
1280 date will be automatically added on the end. */
1282 uschar *received_header_text = US
1284 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1285 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1286 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1287 "by $primary_hostname "
1288 "${if def:received_protocol {with $received_protocol }}"
1290 "${if def:tls_in_ver { ($tls_in_ver)}}"
1291 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1293 "(Exim $version_number)\n\t"
1294 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1295 "id $message_exim_id"
1296 "${if def:received_for {\n\tfor $received_for}}"
1297 "\0<---------------Space to patch received_header_text->";
1299 int received_headers_max = 30;
1300 uschar *received_protocol = NULL;
1301 struct timeval received_time = { 0, 0 };
1302 struct timeval received_time_complete = { 0, 0 };
1303 uschar *recipient_data = NULL;
1304 uschar *recipient_unqualified_hosts = NULL;
1305 uschar *recipient_verify_failure = NULL;
1306 int recipients_count = 0;
1307 recipient_item *recipients_list = NULL;
1308 int recipients_list_max = 0;
1309 int recipients_max = 50000;
1310 const pcre2_code *regex_AUTH = NULL;
1311 const pcre2_code *regex_check_dns_names = NULL;
1312 const pcre2_code *regex_From = NULL;
1313 const pcre2_code *regex_IGNOREQUOTA = NULL;
1314 const pcre2_code *regex_PIPELINING = NULL;
1315 const pcre2_code *regex_SIZE = NULL;
1316 #ifndef DISABLE_PIPE_CONNECT
1317 const pcre2_code *regex_EARLY_PIPE = NULL;
1319 const pcre2_code *regex_ismsgid = NULL;
1320 const pcre2_code *regex_smtp_code = NULL;
1321 const uschar *regex_vars[REGEX_VARS];
1322 #ifdef WHITELIST_D_MACROS
1323 const pcre2_code *regex_whitelisted_macro = NULL;
1325 #ifdef WITH_CONTENT_SCAN
1326 uschar *regex_match_string = NULL;
1328 int remote_delivery_count = 0;
1329 int remote_max_parallel = 2;
1330 uschar *remote_sort_domains = NULL;
1331 int retry_data_expire = 7*24*60*60;
1332 int retry_interval_max = 24*60*60;
1333 int retry_maximum_timeout = 0; /* set from retry config */
1334 retry_config *retries = NULL;
1335 uschar *return_path = NULL;
1336 int rewrite_existflags = 0;
1337 uschar *rfc1413_hosts = US"@[]";
1338 int rfc1413_query_timeout = 0;
1339 uid_t root_gid = ROOT_GID;
1340 uid_t root_uid = ROOT_UID;
1342 router_instance *routers = NULL;
1343 router_instance router_defaults = {
1347 .options_block = NULL,
1348 .driver_name = NULL,
1350 .address_data = NULL,
1351 #ifdef EXPERIMENTAL_BRIGHTMAIL
1354 .cannot_route_message = NULL,
1356 .current_directory = NULL,
1357 .debug_string = NULL,
1362 .expand_more = NULL,
1363 .expand_unseen = NULL,
1364 .extra_headers = NULL,
1365 .fallback_hosts = NULL,
1366 .home_directory = NULL,
1367 .ignore_target_hosts = NULL,
1368 .local_parts = NULL,
1369 .pass_router_name = NULL,
1371 .redirect_router_name = NULL,
1372 .remove_headers = NULL,
1373 .require_files = NULL,
1374 .router_home_directory = NULL,
1378 .translate_ip_address = NULL,
1379 .transport_name = NULL,
1381 .address_test = TRUE,
1382 #ifdef EXPERIMENTAL_BRIGHTMAIL
1383 .bmi_deliver_alternate = FALSE,
1384 .bmi_deliver_default = FALSE,
1385 .bmi_dont_deliver = FALSE,
1388 .caseful_local_part = FALSE,
1389 .check_local_user = FALSE,
1390 .disable_logging = FALSE,
1391 .fail_verify_recipient = FALSE,
1392 .fail_verify_sender = FALSE,
1394 .initgroups = FALSE,
1395 .log_as_local = TRUE_UNSET,
1397 .pass_on_timeout = FALSE,
1398 .prefix_optional = FALSE,
1400 .retry_use_local_part = TRUE_UNSET,
1401 .same_domain_copy_routing = FALSE,
1402 .self_rewrite = FALSE,
1404 .suffix_optional = FALSE,
1405 .verify_only = FALSE,
1406 .verify_recipient = TRUE,
1407 .verify_sender = TRUE,
1410 .dsn_lasthop = FALSE,
1412 .self_code = self_freeze,
1416 .fallback_hostlist = NULL,
1418 .pass_router = NULL,
1419 .redirect_router = NULL,
1421 .dnssec = { .request= US"*", .require=NULL },
1424 uschar *router_name = NULL;
1425 tree_node *router_var = NULL;
1427 ip_address_item *running_interfaces = NULL;
1429 /* This is a weird one. The following string gets patched in the binary by the
1430 script that sets up a copy of Exim for running in the test harness. It seems
1431 that compilers are now clever, and share constant strings if they can.
1432 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1433 make use of the end of this string in order to save space. So the patching then
1434 wrecks this. We defeat this optimization by adding some additional characters
1435 onto the end of the string. */
1437 uschar *running_status = US">>>running<<<" "\0EXTRA";
1441 uschar *search_error_message = NULL;
1442 uschar *self_hostname = NULL;
1443 uschar *sender_address = NULL;
1444 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1445 uschar *sender_address_data = NULL;
1446 uschar *sender_address_unrewritten = NULL;
1447 uschar *sender_data = NULL;
1448 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1449 uschar *sender_fullhost = NULL;
1450 uschar *sender_helo_name = NULL;
1451 uschar **sender_host_aliases = &no_aliases;
1452 uschar *sender_host_address = NULL;
1453 uschar *sender_host_authenticated = NULL;
1454 uschar *sender_host_auth_pubname = NULL;
1455 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1456 uschar *sender_host_name = NULL;
1457 int sender_host_port = 0;
1458 uschar *sender_ident = NULL;
1459 uschar *sender_rate = NULL;
1460 uschar *sender_rate_limit = NULL;
1461 uschar *sender_rate_period = NULL;
1462 uschar *sender_rcvhost = NULL;
1463 uschar *sender_unqualified_hosts = NULL;
1464 uschar *sender_verify_failure = NULL;
1465 address_item *sender_verified_list = NULL;
1466 address_item *sender_verified_failed = NULL;
1467 int sender_verified_rc = -1;
1468 uschar *sending_ip_address = NULL;
1469 int sending_port = -1;
1470 SIGNAL_BOOL sigalrm_seen = FALSE;
1471 const uschar *sigalarm_setter = NULL;
1472 uschar **sighup_argv = NULL;
1473 int slow_lookup_log = 0; /* millisecs, zero disables */
1474 int smtp_accept_count = 0;
1475 int smtp_accept_max = 20;
1476 int smtp_accept_max_nonmail= 10;
1477 uschar *smtp_accept_max_nonmail_hosts = US"*";
1478 uschar *smtp_accept_max_per_connection = US"1000";
1479 uschar *smtp_accept_max_per_host = NULL;
1480 int smtp_accept_queue = 0;
1481 int smtp_accept_queue_per_connection = 10;
1482 int smtp_accept_reserve = 0;
1483 uschar *smtp_active_hostname = NULL;
1484 int smtp_backlog_monitor = 0;
1485 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1486 "Exim $version_number $tod_full"
1487 "\0<---------------Space to patch smtp_banner->";
1488 int smtp_ch_index = 0;
1489 uschar *smtp_cmd_argument = NULL;
1490 uschar *smtp_cmd_buffer = NULL;
1491 struct timeval smtp_connection_start = {0,0};
1492 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1493 int smtp_connect_backlog = 20;
1494 double smtp_delay_mail = 0.0;
1495 double smtp_delay_rcpt = 0.0;
1496 FILE *smtp_in = NULL;
1497 int smtp_listen_backlog = 0;
1498 int smtp_load_reserve = -1;
1499 int smtp_mailcmd_count = 0;
1500 int smtp_mailcmd_max = -1;
1501 FILE *smtp_out = NULL;
1502 uschar *smtp_etrn_command = NULL;
1503 int smtp_max_synprot_errors= 3;
1504 int smtp_max_unknown_commands = 3;
1505 uschar *smtp_notquit_reason = NULL;
1506 unsigned smtp_peer_options = 0;
1507 unsigned smtp_peer_options_wrap= 0;
1508 uschar *smtp_ratelimit_hosts = NULL;
1509 uschar *smtp_ratelimit_mail = NULL;
1510 uschar *smtp_ratelimit_rcpt = NULL;
1511 uschar *smtp_read_error = US"";
1512 int smtp_receive_timeout = 5*60;
1513 uschar *smtp_receive_timeout_s = NULL;
1514 uschar *smtp_reserve_hosts = NULL;
1515 int smtp_rlm_base = 0;
1516 double smtp_rlm_factor = 0.0;
1517 int smtp_rlm_limit = 0;
1518 int smtp_rlm_threshold = INT_MAX;
1519 int smtp_rlr_base = 0;
1520 double smtp_rlr_factor = 0.0;
1521 int smtp_rlr_limit = 0;
1522 int smtp_rlr_threshold = INT_MAX;
1524 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1527 #ifdef WITH_CONTENT_SCAN
1528 uschar *spamd_address = US"127.0.0.1 783";
1529 uschar *spam_bar = NULL;
1530 uschar *spam_report = NULL;
1531 uschar *spam_action = NULL;
1532 uschar *spam_score = NULL;
1533 uschar *spam_score_int = NULL;
1536 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1537 uschar *spf_header_comment = NULL;
1538 uschar *spf_received = NULL;
1539 uschar *spf_result = NULL;
1540 uschar *spf_smtp_comment = NULL;
1541 uschar *spf_smtp_comment_template
1542 /* Used to be: "Please%_see%_http://www.open-spf.org/Why?id=%{S}&ip=%{C}&receiver=%{R}" */
1543 = US"Please%_see%_http://www.open-spf.org/Why";
1547 FILE *spool_data_file = NULL;
1548 uschar *spool_directory = US SPOOL_DIRECTORY
1549 "\0<--------------Space to patch spool_directory->";
1551 uschar *srs_recipient = NULL;
1553 int string_datestamp_offset= -1;
1554 int string_datestamp_length= 0;
1555 int string_datestamp_type = -1;
1556 const uschar *submission_domain = NULL;
1557 const uschar *submission_name = NULL;
1558 int syslog_facility = LOG_MAIL;
1559 uschar *syslog_processname = US"exim";
1560 uschar *system_filter = NULL;
1562 uschar *system_filter_directory_transport = NULL;
1563 uschar *system_filter_file_transport = NULL;
1564 uschar *system_filter_pipe_transport = NULL;
1565 uschar *system_filter_reply_transport = NULL;
1567 gid_t system_filter_gid = 0;
1568 uid_t system_filter_uid = (uid_t)-1;
1570 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1571 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1572 #ifdef USE_TCP_WRAPPERS
1573 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1575 int test_harness_load_avg = 0;
1576 int thismessage_size_limit = 0;
1577 int timeout_frozen_after = 0;
1578 #ifdef MEASURE_TIMING
1579 struct timeval timestamp_startup;
1582 transport_instance *transports = NULL;
1584 transport_instance transport_defaults = {
1585 /* All non-mentioned elements zero/NULL/FALSE */
1587 .multi_domain = TRUE,
1588 .max_addresses = 100,
1589 .connection_max_messages = 500,
1592 .filter_timeout = 300,
1593 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1594 1 nor 0 so can detect unset */
1597 int transport_count;
1598 uschar *transport_name = NULL;
1599 int transport_newlines;
1600 const uschar **transport_filter_argv = NULL;
1601 int transport_filter_timeout;
1602 int transport_write_timeout= 0;
1604 tree_node *tree_dns_fails = NULL;
1605 tree_node *tree_duplicates = NULL;
1606 tree_node *tree_nonrecipients = NULL;
1607 tree_node *tree_unusable = NULL;
1609 gid_t *trusted_groups = NULL;
1610 uid_t *trusted_users = NULL;
1611 uschar *timezone_string = US TIMEZONE_DEFAULT;
1613 uschar *unknown_login = NULL;
1614 uschar *unknown_username = NULL;
1615 uschar *untrusted_set_sender = NULL;
1617 /* A regex for matching a "From_" line in an incoming message, in the form
1619 From ph10 Fri Jan 5 12:35 GMT 1996
1621 which the "mail" commands send to the MTA (undocumented, of course), or in
1624 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1626 which is apparently used by some UUCPs, despite it not being in RFC 976.
1627 Because of variations in time formats, just match up to the minutes. That
1628 should be sufficient. Examples have been seen of time fields like 12:1:03,
1629 so just require one digit for hours and minutes. The weekday is also absent
1632 uschar *uucp_from_pattern = US
1633 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1634 "(?:" /* Non-extracting bracket */
1635 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1636 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1637 ")" /* End alternation */
1638 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1640 uschar *uucp_from_sender = US"$1";
1642 uschar *verify_mode = NULL;
1643 uschar *version_copyright =
1644 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1645 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2020";
1646 uschar *version_date = US"?";
1647 uschar *version_cnumber = US"????";
1648 uschar *version_string = US"?";
1650 uschar *warn_message_file = NULL;
1651 int warning_count = 0;
1652 uschar *warnmsg_delay = NULL;
1653 uschar *warnmsg_recipients = NULL;
1656 /* End of globals.c */