1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) The Exim Maintainers 2020 - 2024 */
6 /* Copyright (c) University of Cambridge 1995 - 2018 */
7 /* See the file NOTICE for conditions of use and distribution. */
8 /* SPDX-License-Identifier: GPL-2.0-or-later */
10 /* All the global variables are defined together in this one module, so
11 that they are easy to find. */
16 /* Generic options for auths, all of which live inside auth_instance
17 data blocks and hence have the opt_public flag set. */
19 optionlist optionlist_auths[] = {
20 { "client_condition", opt_stringptr | opt_public,
21 OPT_OFF(auth_instance, client_condition) },
22 { "client_set_id", opt_stringptr | opt_public,
23 OPT_OFF(auth_instance, set_client_id) },
24 { "driver", opt_stringptr | opt_public,
25 OPT_OFF(auth_instance, drinst.driver_name) },
26 { "public_name", opt_stringptr | opt_public,
27 OPT_OFF(auth_instance, public_name) },
28 { "server_advertise_condition", opt_stringptr | opt_public,
29 OPT_OFF(auth_instance, advertise_condition)},
30 { "server_condition", opt_stringptr | opt_public,
31 OPT_OFF(auth_instance, server_condition) },
32 { "server_debug_print", opt_stringptr | opt_public,
33 OPT_OFF(auth_instance, server_debug_string) },
34 { "server_mail_auth_condition", opt_stringptr | opt_public,
35 OPT_OFF(auth_instance, mail_auth_condition) },
36 { "server_set_id", opt_stringptr | opt_public,
37 OPT_OFF(auth_instance, set_id) }
40 int optionlist_auths_size = nelem(optionlist_auths);
42 /* An empty host aliases list. */
44 uschar *no_aliases = NULL;
47 /* For comments on these variables, see globals.h. I'm too idle to
48 duplicate them here... */
51 uschar *opt_perl_startup = NULL;
52 BOOL opt_perl_at_start = FALSE;
53 BOOL opt_perl_started = FALSE;
54 BOOL opt_perl_taintmode = FALSE;
58 tree_node *dlobj_anchor = NULL;
62 uschar *ibase_servers = NULL;
66 uschar *eldap_ca_cert_dir = NULL;
67 uschar *eldap_ca_cert_file = NULL;
68 uschar *eldap_cert_file = NULL;
69 uschar *eldap_cert_key = NULL;
70 uschar *eldap_cipher_suite = NULL;
71 uschar *eldap_default_servers = NULL;
72 uschar *eldap_require_cert = NULL;
73 int eldap_version = -1;
74 BOOL eldap_start_tls = FALSE;
78 uschar *mysql_servers = NULL;
82 uschar *oracle_servers = NULL;
86 uschar *pgsql_servers = NULL;
90 uschar *redis_servers = NULL;
94 uschar *sqlite_dbfile = NULL;
95 int sqlite_lock_timeout = 5;
98 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
99 BOOL move_frozen_messages = FALSE;
102 /* These variables are outside the #ifdef because it keeps the code less
103 cluttered in several places (e.g. during logging) if we can always refer to
104 them. Also, the tls_ variables are now always visible. Note that these are
105 only used for smtp connections, not for service-daemon access. */
107 tls_support tls_in = {
108 .active = {.sock = -1}
109 /* all other elements zero */
111 tls_support tls_out = {
112 .active = {.sock = -1},
113 /* all other elements zero */
116 uschar *dsn_envid = NULL;
118 const pcre2_code *regex_DSN = NULL;
119 uschar *dsn_advertise_hosts = NULL;
122 BOOL gnutls_compat_mode = FALSE;
123 BOOL gnutls_allow_auto_pkcs11 = FALSE;
124 uschar *hosts_require_alpn = NULL;
125 uschar *openssl_options = NULL;
126 const pcre2_code *regex_STARTTLS = NULL;
127 uschar *tls_advertise_hosts = US"*";
128 uschar *tls_alpn = US"smtp:esmtp";
129 uschar *tls_certificate = NULL;
130 uschar *tls_crl = NULL;
131 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
132 that's the interop problem which has been observed: GnuTLS suggesting a higher
133 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
134 int tls_dh_max_bits = 2236;
135 uschar *tls_dhparam = NULL;
136 uschar *tls_eccurve = US"auto";
137 # ifndef DISABLE_OCSP
138 uschar *tls_ocsp_file = NULL;
140 uschar *tls_privatekey = NULL;
141 BOOL tls_remember_esmtp = FALSE;
142 uschar *tls_require_ciphers = NULL;
143 # ifndef DISABLE_TLS_RESUME
144 uschar *tls_resumption_hosts = NULL;
146 uschar *tls_try_verify_hosts = NULL;
147 uschar *tls_verify_certificates= US"system";
148 uschar *tls_verify_hosts = NULL;
149 int tls_watch_fd = -1;
150 time_t tls_watch_trigger_time = (time_t)0;
151 #else /*DISABLE_TLS*/
152 uschar *tls_advertise_hosts = NULL;
156 /* Per Recipient Data Response variables */
157 BOOL prdr_enable = FALSE;
158 BOOL prdr_requested = FALSE;
159 const pcre2_code *regex_PRDR = NULL;
163 const pcre2_code *regex_UTF8 = NULL;
166 /* Input-reading functions for messages, so we can use special ones for
167 incoming TCP/IP. The defaults use stdin. We never need these for any
168 stand-alone tests. */
170 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
171 int (*lwr_receive_getc)(unsigned) = stdin_getc;
172 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
173 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
174 BOOL (*lwr_receive_hasc)(void) = stdin_hasc;
176 int (*receive_getc)(unsigned) = stdin_getc;
177 uschar * (*receive_getbuf)(unsigned *) = NULL;
178 void (*receive_get_cache)(unsigned) = NULL;
179 BOOL (*receive_hasc)(void) = stdin_hasc;
180 int (*receive_ungetc)(int) = stdin_ungetc;
181 int (*receive_feof)(void) = stdin_feof;
182 int (*receive_ferror)(void) = stdin_ferror;
186 /* List of per-address expansion variables for clearing and saving/restoring
187 when verifying one address while routing/verifying another. We have to have
188 the size explicit, because it is referenced from more than one module. */
190 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
191 CUSS &deliver_address_data,
192 CUSS &deliver_domain,
193 CUSS &deliver_domain_data,
194 CUSS &deliver_domain_orig,
195 CUSS &deliver_domain_parent,
196 CUSS &deliver_localpart,
197 CUSS &deliver_localpart_data,
198 CUSS &deliver_localpart_orig,
199 CUSS &deliver_localpart_parent,
200 CUSS &deliver_localpart_prefix,
201 CUSS &deliver_localpart_suffix,
202 CUSS (uschar **)(&deliver_recipients),
210 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
212 /******************************************************************************/
213 /* General global variables. Boolean flags are done as a group
214 so that only one bit each is needed, packed, for all those we never
215 need to take a pointer - and only a char for the rest.
216 This means a struct, unfortunately since it clutters the sourcecode. */
218 struct global_flags f =
220 .acl_temp_details = FALSE,
221 .active_local_from_check = FALSE,
222 .active_local_sender_retain = FALSE,
223 .address_test_mode = FALSE,
225 .allow_auth_unadvertised= FALSE,
226 .allow_unqualified_recipient = TRUE, /* For local messages */
227 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
228 .authentication_local = FALSE,
230 .background_daemon = TRUE,
231 .bdat_readers_wanted = FALSE,
233 .chunking_offered = FALSE,
234 .config_changed = FALSE,
235 .continue_more = FALSE,
237 .daemon_listen = FALSE,
238 .daemon_scion = FALSE,
239 .debug_daemon = FALSE,
240 .deliver_firsttime = FALSE,
241 .deliver_force = FALSE,
242 .deliver_freeze = FALSE,
243 .deliver_force_thaw = FALSE,
244 .deliver_manual_thaw = FALSE,
245 .deliver_selectstring_regex = FALSE,
246 .deliver_selectstring_sender_regex = FALSE,
247 .disable_callout_flush = FALSE,
248 .disable_delay_flush = FALSE,
249 .disable_logging = FALSE,
251 .dkim_disable_verify = FALSE,
252 .dkim_init_done = FALSE,
255 .dmarc_has_been_checked = FALSE,
256 .dmarc_disable_verify = FALSE,
257 .dmarc_enable_forensic = FALSE,
259 .dont_deliver = FALSE,
262 .enable_dollar_recipients = FALSE,
263 .expand_string_forcedfail = FALSE,
265 .filter_running = FALSE,
267 .header_rewritten = FALSE,
268 .helo_verified = FALSE,
269 .helo_verify_failed = FALSE,
270 .host_checking_callout = FALSE,
271 .host_find_failed_syntax= FALSE,
273 .inetd_wait_mode = FALSE,
276 .local_error_message = FALSE,
277 .log_testing_mode = FALSE,
279 #ifdef WITH_CONTENT_SCAN
280 .no_mbox_unspool = FALSE,
282 .no_multiline_responses = FALSE,
283 .notifier_socket_en = TRUE,
285 .parse_allow_group = FALSE,
286 .parse_found_group = FALSE,
287 .pipelining_enable = TRUE,
288 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
289 .proxy_session_failed = FALSE,
292 .queue_2stage = FALSE,
293 .queue_only_policy = FALSE,
294 .queue_run_local = FALSE,
295 .queue_running = FALSE,
299 .receive_call_bombout = FALSE,
300 .recipients_discarded = FALSE,
301 .running_in_test_harness = FALSE,
303 .search_find_defer = FALSE,
304 .sender_address_forced = FALSE,
305 .sender_host_notsocket = FALSE,
306 .sender_host_unknown = FALSE,
307 .sender_local = FALSE,
308 .sender_name_forced = FALSE,
309 .sender_set_untrusted = FALSE,
310 .smtp_authenticated = FALSE,
311 #ifndef DISABLE_PIPE_CONNECT
312 .smtp_in_early_pipe_advertised = FALSE,
313 .smtp_in_early_pipe_no_auth = FALSE,
314 .smtp_in_early_pipe_used = FALSE,
316 .smtp_in_pipelining_advertised = FALSE,
317 .smtp_in_pipelining_used = FALSE,
318 .smtp_in_quit = FALSE,
319 .spool_file_wireformat = FALSE,
320 .submission_mode = FALSE,
321 .suppress_local_fixups = FALSE,
322 .suppress_local_fixups_default = FALSE,
323 .synchronous_delivery = FALSE,
324 .system_filtering = FALSE,
326 .taint_check_slow = FALSE,
327 .testsuite_delays = TRUE,
328 .tcp_fastopen_ok = FALSE,
329 .tcp_in_fastopen = FALSE,
330 .tcp_in_fastopen_data = FALSE,
331 .tcp_in_fastopen_logged = FALSE,
332 .tcp_out_fastopen_logged= FALSE,
333 .timestamps_utc = FALSE,
334 .transport_filter_timed_out = FALSE,
335 .trusted_caller = FALSE,
336 .trusted_config = TRUE,
339 /******************************************************************************/
340 /* These are the flags which are either variables or mainsection options,
341 so an address is needed for access, or are exported to local_scan. */
343 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
344 BOOL allow_domain_literals = FALSE;
345 BOOL allow_mx_to_ip = FALSE;
346 BOOL allow_utf8_domains = FALSE;
347 BOOL authentication_failed = FALSE;
349 BOOL bounce_return_body = TRUE;
350 BOOL bounce_return_message = TRUE;
351 BOOL check_rfc2047_length = TRUE;
352 BOOL commandline_checks_require_admin = FALSE;
354 #ifdef EXPERIMENTAL_DCC
355 BOOL dcc_direct_add_header = FALSE;
357 BOOL debug_store = FALSE;
358 BOOL delivery_date_remove = TRUE;
359 BOOL deliver_drop_privilege = FALSE;
360 #ifdef ENABLE_DISABLE_FSYNC
361 BOOL disable_fsync = FALSE;
363 BOOL disable_ipv6 = FALSE;
364 BOOL dns_csa_use_reverse = TRUE;
365 BOOL drop_cr = FALSE; /* No longer used */
367 BOOL envelope_to_remove = TRUE;
368 BOOL exim_gid_set = TRUE; /* This gid is always set */
369 BOOL exim_uid_set = TRUE; /* This uid is always set */
370 BOOL extract_addresses_remove_arguments = TRUE;
372 BOOL host_checking = FALSE;
373 BOOL host_lookup_deferred = FALSE;
374 BOOL host_lookup_failed = FALSE;
375 BOOL ignore_fromline_local = FALSE;
377 BOOL local_from_check = TRUE;
378 BOOL local_sender_retain = FALSE;
379 BOOL log_timezone = FALSE;
380 BOOL message_body_newlines = FALSE;
381 BOOL message_logs = TRUE;
383 BOOL message_smtputf8 = FALSE;
385 BOOL mua_wrapper = FALSE;
387 BOOL preserve_message_logs = FALSE;
388 BOOL print_topbitchars = FALSE;
389 BOOL prod_requires_admin = TRUE;
390 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) || defined(EXPERIMENTAL_XCLIENT)
391 BOOL proxy_session = FALSE;
394 #ifndef DISABLE_QUEUE_RAMP
395 BOOL queue_fast_ramp = TRUE;
397 BOOL queue_list_requires_admin = TRUE;
398 BOOL queue_only = FALSE;
399 BOOL queue_only_load_latch = TRUE;
400 BOOL queue_only_override = TRUE;
401 BOOL queue_run_in_order = FALSE;
402 BOOL recipients_max_reject = FALSE;
403 BOOL return_path_remove = TRUE;
405 BOOL smtp_batched_input = FALSE;
406 BOOL sender_helo_dnssec = FALSE;
407 BOOL sender_host_dnssec = FALSE;
408 BOOL smtp_accept_keepalive = TRUE;
409 BOOL smtp_check_spool_space = TRUE;
410 BOOL smtp_enforce_sync = TRUE;
411 BOOL smtp_etrn_serialize = TRUE;
412 BOOL smtp_input = FALSE;
413 BOOL smtp_return_error_details = FALSE;
414 BOOL split_spool_directory = FALSE;
415 BOOL spool_wireformat = FALSE;
416 BOOL strict_acl_vars = FALSE;
417 BOOL strip_excess_angle_brackets = FALSE;
418 BOOL strip_trailing_dot = FALSE;
419 BOOL syslog_duplication = TRUE;
420 BOOL syslog_pid = TRUE;
421 BOOL syslog_timestamp = TRUE;
422 BOOL system_filter_gid_set = FALSE;
423 BOOL system_filter_uid_set = FALSE;
425 BOOL tcp_nodelay = TRUE;
426 BOOL write_rejectlog = TRUE;
428 /******************************************************************************/
430 header_line *acl_added_headers = NULL;
431 tree_node *acl_anchor = NULL;
432 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
433 NULL, NULL, NULL, NULL};
438 uschar *acl_not_smtp = NULL;
439 #ifdef WITH_CONTENT_SCAN
440 uschar *acl_not_smtp_mime = NULL;
442 uschar *acl_not_smtp_start = NULL;
443 uschar *acl_removed_headers = NULL;
444 uschar *acl_smtp_auth = NULL;
445 uschar *acl_smtp_connect = NULL;
446 uschar *acl_smtp_data = NULL;
448 uschar *acl_smtp_data_prdr = US"accept";
451 uschar *acl_smtp_dkim = NULL;
453 uschar *acl_smtp_etrn = NULL;
454 uschar *acl_smtp_expn = NULL;
455 uschar *acl_smtp_helo = NULL;
456 uschar *acl_smtp_mail = NULL;
457 uschar *acl_smtp_mailauth = NULL;
458 #ifdef WITH_CONTENT_SCAN
459 uschar *acl_smtp_mime = NULL;
461 uschar *acl_smtp_notquit = NULL;
462 uschar *acl_smtp_predata = NULL;
463 uschar *acl_smtp_quit = NULL;
464 uschar *acl_smtp_rcpt = NULL;
465 uschar *acl_smtp_starttls = NULL;
466 uschar *acl_smtp_vrfy = NULL;
467 #ifndef DISABLE_WELLKNOWN
468 uschar *acl_smtp_wellknown = NULL;
471 tree_node *acl_var_c = NULL;
472 tree_node *acl_var_m = NULL;
473 uschar *acl_verify_message = NULL;
474 string_item *acl_warn_logged = NULL;
476 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
477 error codes (only those used) */
479 uschar *acl_wherenames[] = { [ACL_WHERE_RCPT] = US"RCPT",
480 [ACL_WHERE_MAIL] = US"MAIL",
481 [ACL_WHERE_PREDATA] = US"PREDATA",
482 [ACL_WHERE_MIME] = US"MIME",
483 [ACL_WHERE_DKIM] = US"DKIM",
484 [ACL_WHERE_DATA] = US"DATA",
486 [ACL_WHERE_PRDR] = US"PRDR",
488 [ACL_WHERE_NOTSMTP] = US"non-SMTP",
489 [ACL_WHERE_AUTH] = US"AUTH",
490 [ACL_WHERE_CONNECT] = US"connection",
491 [ACL_WHERE_ETRN] = US"ETRN",
492 [ACL_WHERE_EXPN] = US"EXPN",
493 [ACL_WHERE_HELO] = US"EHLO or HELO",
494 [ACL_WHERE_MAILAUTH] = US"MAILAUTH",
495 [ACL_WHERE_NOTSMTP_START] = US"non-SMTP-start",
496 [ACL_WHERE_NOTQUIT] = US"NOTQUIT",
497 [ACL_WHERE_QUIT] = US"QUIT",
498 [ACL_WHERE_STARTTLS] = US"STARTTLS",
499 [ACL_WHERE_VRFY] = US"VRFY",
500 #ifndef DISABLE_WELLKNOWN
501 [ACL_WHERE_WELLKNOWN] = US"WELLKNOWN",
503 [ACL_WHERE_DELIVERY] = US"delivery",
504 [ACL_WHERE_UNKNOWN] = US"unknown"
507 uschar *acl_wherecodes[] = { [ACL_WHERE_RCPT] = US"550",
508 [ACL_WHERE_MAIL] = US"550",
509 [ACL_WHERE_PREDATA] = US"550",
510 [ACL_WHERE_MIME] = US"550",
511 [ACL_WHERE_DKIM] = US"550",
512 [ACL_WHERE_DATA] = US"550",
514 [ACL_WHERE_PRDR] = US"550",
516 [ACL_WHERE_AUTH] = US"503",
517 [ACL_WHERE_CONNECT] = US"550",
518 [ACL_WHERE_ETRN] = US"458",
519 [ACL_WHERE_EXPN] = US"550",
520 [ACL_WHERE_HELO] = US"550",
521 [ACL_WHERE_STARTTLS] = US"550",
522 #ifndef DISABLE_WELLKNOWN
523 [ACL_WHERE_WELLKNOWN] =US"550",
525 [ACL_WHERE_VRFY] = US"252",
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 const uschar *address_file = NULL;
613 const 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 = {
636 .options_block = NULL,
639 .advertise_condition = NULL,
640 .client_condition = NULL,
643 .set_client_id = NULL,
644 .mail_auth_condition = NULL,
645 .server_debug_string = NULL,
646 .server_condition = NULL,
652 uschar *auth_defer_msg = US"reason not recorded";
653 uschar *auth_defer_user_msg = US"";
654 const uschar *auth_vars[AUTH_VARS];
655 uschar *authenticator_name = NULL;
657 #ifdef WITH_CONTENT_SCAN
658 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
659 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
663 uschar *base62_chars=
664 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
666 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
669 uschar *bi_command = NULL;
670 uschar *big_buffer = NULL;
671 int big_buffer_size = BIG_BUFFER_SIZE;
672 #ifdef EXPERIMENTAL_BRIGHTMAIL
673 uschar *bmi_alt_location = NULL;
674 uschar *bmi_base64_tracker_verdict = NULL;
675 uschar *bmi_base64_verdict = NULL;
676 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
679 uschar *bmi_verdicts = NULL;
681 int bsmtp_transaction_linecount = 0;
682 int body_8bitmime = 0;
683 int body_linecount = 0;
684 int body_zerocount = 0;
685 uschar *bounce_message_file = NULL;
686 uschar *bounce_message_text = NULL;
687 const uschar *bounce_recipient = NULL;
688 int bounce_return_linesize_limit = 998;
689 int bounce_return_size_limit = 100*1024;
690 uschar *bounce_sender_authentication = NULL;
692 uschar *callout_address = NULL;
693 int callout_cache_domain_positive_expire = 7*24*60*60;
694 int callout_cache_domain_negative_expire = 3*60*60;
695 int callout_cache_positive_expire = 24*60*60;
696 int callout_cache_negative_expire = 2*60*60;
697 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
698 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
699 int check_log_inodes = 100;
700 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
701 int check_spool_inodes = 100;
702 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
704 uschar *chunking_advertise_hosts = US"*";
705 unsigned chunking_datasize = 0;
706 unsigned chunking_data_left = 0;
707 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
708 const pcre2_code *regex_CHUNKING = NULL;
710 #ifndef DISABLE_ESMTP_LIMITS
711 const pcre2_code *regex_LIMITS = NULL;
714 uschar *client_authenticator = NULL;
715 uschar *client_authenticated_id = NULL;
716 uschar *client_authenticated_sender = NULL;
717 #ifndef DISABLE_CLIENT_CMD_LOG
718 gstring *client_cmd_log = NULL;
720 int clmacro_count = 0;
721 uschar *clmacros[MAX_CLMACROS];
722 FILE *config_file = NULL;
723 const uschar *config_filename = NULL;
724 int config_lineno = 0;
725 #ifdef CONFIGURE_GROUP
726 gid_t config_gid = CONFIGURE_GROUP;
728 gid_t config_gid = 0;
730 const uschar * config_main_filelist = US CONFIGURE_FILE
731 "\0<-----------Space to patch configure_filename->";
732 uschar *config_main_filename = NULL;
733 uschar *config_main_directory = NULL;
735 #ifdef CONFIGURE_OWNER
736 uid_t config_uid = CONFIGURE_OWNER;
738 uid_t config_uid = 0;
741 const uschar *connection_id = NULL;
742 int connection_max_messages= -1;
743 unsigned continue_flags = 0;
744 #ifndef DISABLE_ESMTP_LIMITS
745 unsigned continue_limit_mail = 0;
746 unsigned continue_limit_rcpt = 0;
747 unsigned continue_limit_rcptdom= 0;
748 int continue_fd = -1;
749 uschar *continue_proxy_cipher = NULL;
750 BOOL continue_proxy_dane = FALSE;
751 uschar *continue_proxy_sni = NULL;
752 const uschar *continue_hostname = NULL;
753 const uschar *continue_host_address = NULL;
754 uschar continue_next_id[MESSAGE_ID_LENGTH +1] = {[0]='\0'};
755 int continue_sequence = 1;
756 const uschar *continue_transport = NULL;
757 #ifndef COMPILE_UTILITY
758 open_db *continue_retry_db = NULL;
759 open_db *continue_wait_db = NULL;
763 uschar *csa_status = NULL;
765 .callout_hold_only = FALSE, /* verify-only: normal delivery */
766 .delivery = FALSE, /* when to attempt */
767 .defer_pass = FALSE, /* on defer: spool locally */
768 .is_tls = FALSE, /* not a TLS conn yet */
769 .cctx = {.sock = -1}, /* open connection */
770 .nrcpt = 0, /* number of addresses */
773 int daemon_notifier_fd = -1;
774 uschar *daemon_smtp_port = US"smtp";
775 int daemon_startup_retries = 9;
776 int daemon_startup_sleep = 30;
778 #ifdef EXPERIMENTAL_DCC
779 uschar *dcc_header = NULL;
780 uschar *dcc_result = NULL;
781 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
782 uschar *dccifd_options = US"header";
786 FILE *debug_file = NULL;
787 int debug_notall[] = {
792 bit_table debug_options[] = { /* must be in alphabetical order and use
793 only the enum values from macro.h */
797 BIT_TABLE(D, deliver),
801 BIT_TABLE(D, expand),
802 BIT_TABLE(D, filter),
803 BIT_TABLE(D, hints_lookup),
804 BIT_TABLE(D, host_lookup),
806 BIT_TABLE(D, interface),
809 BIT_TABLE(D, local_scan),
810 BIT_TABLE(D, lookup),
811 BIT_TABLE(D, memory),
812 BIT_TABLE(D, noutf8),
814 BIT_TABLE(D, process_info),
815 BIT_TABLE(D, queue_run),
816 BIT_TABLE(D, receive),
817 BIT_TABLE(D, resolver),
819 BIT_TABLE(D, rewrite),
821 BIT_TABLE(D, timestamp),
823 BIT_TABLE(D, transport),
825 BIT_TABLE(D, verify),
827 int debug_options_count = nelem(debug_options);
828 uschar debuglog_name[LOG_NAME_SIZE] = {0};
829 unsigned debug_pretrigger_bsize = 0;
830 uschar * debug_pretrigger_buf = NULL;
831 unsigned int debug_selector = 0;
833 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
834 uschar *delay_warning_condition=
836 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
837 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
838 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
840 uschar *deliver_address_data = NULL;
841 int deliver_datafile = -1;
842 const uschar *deliver_domain = NULL;
843 uschar *deliver_domain_data = NULL;
844 const uschar *deliver_domain_orig = NULL;
845 const uschar *deliver_domain_parent = NULL;
846 time_t deliver_frozen_at = 0;
847 uschar *deliver_home = NULL;
848 const uschar *deliver_host = NULL;
849 const uschar *deliver_host_address = NULL;
850 int deliver_host_port = 0;
851 uschar *deliver_in_buffer = NULL;
852 ino_t deliver_inode = 0;
853 const uschar *deliver_localpart= NULL;
854 uschar *deliver_localpart_data = NULL;
855 const uschar *deliver_localpart_orig = NULL;
856 const uschar *deliver_localpart_parent = NULL;
857 const uschar *deliver_localpart_prefix = NULL;
858 const uschar *deliver_localpart_prefix_v = NULL;
859 const uschar *deliver_localpart_suffix = NULL;
860 const uschar *deliver_localpart_suffix_v = NULL;
861 uschar *deliver_out_buffer = NULL;
862 int deliver_queue_load_max = -1;
863 address_item *deliver_recipients = NULL;
864 uschar *deliver_selectstring = NULL;
865 uschar *deliver_selectstring_sender = NULL;
867 uschar *dns_again_means_nonexist = NULL;
868 int dns_csa_search_limit = 5;
869 int dns_cname_loops = 1;
871 int dns_dane_ok = -1;
873 uschar *dns_ipv4_lookup = NULL;
876 int dns_dnssec_ok = -1; /* <0 = not coerced */
877 uschar *dns_trust_aa = NULL;
878 int dns_use_edns0 = -1; /* <0 = not coerced */
879 uschar *dnslist_domain = NULL;
880 uschar *dnslist_matched = NULL;
881 uschar *dnslist_text = NULL;
882 uschar *dnslist_value = NULL;
883 tree_node *domainlist_anchor = NULL;
884 int domainlist_count = 0;
885 const uschar *driver_srcfile = NULL;
886 int driver_srcline = 0;
887 uschar *dsn_from = US DEFAULT_DSN_FROM;
888 unsigned int dtrigger_selector = 0;
890 int errno_quota = ERRNO_QUOTA;
891 uschar *errors_copy = NULL;
892 int error_handling = ERRORS_SENDER;
893 uschar *errors_reply_to = NULL;
894 int errors_sender_rc = EXIT_FAILURE;
895 #ifndef DISABLE_EVENT
896 uschar *event_action = NULL; /* expansion for delivery events */
897 const uschar *event_data = NULL; /* auxiliary data variable for event */
898 int event_defer_errno = 0;
899 const uschar *event_name = NULL; /* event name variable */
903 gid_t exim_gid = EXIM_GID;
904 uschar *exim_path = US BIN_DIRECTORY "/exim"
905 "\0<---------------Space to patch exim_path->";
906 uid_t exim_uid = EXIM_UID;
907 int expand_level = 0; /* Nesting depth, indent for debug */
908 int expand_forbid = 0;
909 int expand_nlength[EXPAND_MAXN+1];
910 int expand_nmax = -1;
911 const uschar *expand_nstring[EXPAND_MAXN+1];
912 uschar *expand_string_message;
913 uschar *extra_local_interfaces = NULL;
915 int fake_response = OK;
916 uschar *fake_response_text = US"Your message has been rejected but is "
917 "being kept for evaluation.\nIf it was a "
918 "legitimate message, it may still be "
919 "delivered to the target recipient(s).";
920 int filter_n[FILTER_VARIABLE_COUNT];
921 int filter_sn[FILTER_VARIABLE_COUNT];
922 int filter_test = FTEST_NONE;
923 const uschar * filter_test_sfile = NULL;
924 const uschar * filter_test_ufile = NULL;
925 uschar *filter_thisaddress = NULL;
926 int finduser_retries = 0;
927 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
928 uschar *freeze_tell = NULL;
929 uschar *freeze_tell_config = NULL;
930 uschar *fudged_queue_times = US"";
932 uschar *gecos_name = NULL;
933 uschar *gecos_pattern = NULL;
934 rewrite_rule *global_rewrite_rules = NULL;
936 volatile sig_atomic_t had_command_timeout = 0;
937 volatile sig_atomic_t had_command_sigterm = 0;
938 volatile sig_atomic_t had_data_timeout = 0;
939 volatile sig_atomic_t had_data_sigint = 0;
940 const uschar *headers_charset = US HEADERS_CHARSET;
941 int header_insert_maxlen = 64 * 1024;
942 header_line *header_last = NULL;
943 header_line *header_list = NULL;
944 int header_maxsize = HEADER_MAXSIZE;
945 int header_line_maxsize = 0;
947 header_name header_names[] = {
948 /* name len allow_resent htype */
949 { US"bcc", 3, TRUE, htype_bcc },
950 { US"cc", 2, TRUE, htype_cc },
951 { US"date", 4, TRUE, htype_date },
952 { US"delivery-date", 13, FALSE, htype_delivery_date },
953 { US"envelope-to", 11, FALSE, htype_envelope_to },
954 { US"from", 4, TRUE, htype_from },
955 { US"message-id", 10, TRUE, htype_id },
956 { US"received", 8, FALSE, htype_received },
957 { US"reply-to", 8, FALSE, htype_reply_to },
958 { US"return-path", 11, FALSE, htype_return_path },
959 { US"sender", 6, TRUE, htype_sender },
960 { US"subject", 7, FALSE, htype_subject },
961 { US"to", 2, TRUE, htype_to }
964 int header_names_size = nelem(header_names);
966 uschar *helo_accept_junk_hosts = NULL;
967 uschar *helo_allow_chars = US"";
968 uschar *helo_lookup_domains = US"@ : @[]";
969 uschar *helo_try_verify_hosts = NULL;
970 uschar *helo_verify_hosts = NULL;
971 const uschar *hex_digits = CUS"0123456789abcdef";
972 uschar *hold_domains = NULL;
973 uschar *host_data = NULL;
974 uschar *host_lookup = NULL;
975 uschar *host_lookup_order = US"bydns:byaddr";
976 uschar *host_lookup_msg = US"";
978 uschar *host_number_string = NULL;
979 uschar *host_reject_connection = NULL;
980 uschar *hosts_connection_nolog = NULL;
982 uschar *hosts_proxy = NULL;
984 uschar *hosts_treat_as_local = NULL;
985 uschar *hosts_require_helo = US"*";
986 #ifdef EXPERIMENTAL_XCLIENT
987 uschar *hosts_xclient = NULL;
989 tree_node *hostlist_anchor = NULL;
990 int hostlist_count = 0;
993 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
994 uschar *ignore_fromline_hosts = NULL;
995 int inetd_wait_timeout = -1;
996 uschar *initial_cwd = NULL;
997 uschar *interface_address = NULL;
998 int interface_port = -1;
999 uschar *iterate_item = NULL;
1001 int journal_fd = -1;
1003 uschar *keep_environment = NULL;
1005 int keep_malformed = 4*24*60*60; /* 4 days */
1007 uschar *eldap_dn = NULL;
1008 const uschar *letter_digit_hyphen_dot =
1009 US"abcdefghijklmnopqrstuvwxyz"
1011 "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
1012 #ifndef DISABLE_ESMTP_LIMITS
1013 uschar *limits_advertise_hosts = US"*";
1015 int load_average = -2;
1016 uschar *local_from_prefix = NULL;
1017 uschar *local_from_suffix = NULL;
1020 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1022 uschar *local_interfaces = US"0.0.0.0";
1025 #ifdef HAVE_LOCAL_SCAN
1026 uschar *local_scan_data = NULL;
1027 int local_scan_timeout = 5*60;
1029 gid_t local_user_gid = (gid_t)(-1);
1030 uid_t local_user_uid = (uid_t)(-1);
1032 tree_node *localpartlist_anchor= NULL;
1033 int localpartlist_count = 0;
1034 uschar *log_buffer = NULL;
1036 int log_default[] = { /* for initializing log_selector */
1037 Li_acl_warn_skipped,
1038 Li_connection_reject,
1043 Li_host_lookup_failed,
1044 Li_lost_incoming_connection,
1045 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1048 Li_queue_time_exclusive,
1051 Li_sender_verify_fail,
1054 Li_smtp_confirmation,
1055 Li_tls_certificate_verified,
1060 uschar *log_file_path = US LOG_FILE_PATH
1061 "\0<--------------Space to patch log_file_path->";
1063 int log_notall[] = {
1066 bit_table log_options[] = { /* must be in alphabetical order,
1067 with definitions from enum logbit. */
1068 BIT_TABLE(L, 8bitmime),
1069 BIT_TABLE(L, acl_warn_skipped),
1070 BIT_TABLE(L, address_rewrite),
1072 BIT_TABLE(L, all_parents),
1073 BIT_TABLE(L, arguments),
1074 BIT_TABLE(L, connection_id),
1075 BIT_TABLE(L, connection_reject),
1076 BIT_TABLE(L, delay_delivery),
1077 BIT_TABLE(L, deliver_time),
1078 BIT_TABLE(L, delivery_size),
1079 #ifndef DISABLE_DKIM
1081 BIT_TABLE(L, dkim_verbose),
1083 BIT_TABLE(L, dnslist_defer),
1084 BIT_TABLE(L, dnssec),
1086 BIT_TABLE(L, host_lookup_failed),
1087 BIT_TABLE(L, ident_timeout),
1088 BIT_TABLE(L, incoming_interface),
1089 BIT_TABLE(L, incoming_port),
1090 BIT_TABLE(L, lost_incoming_connection),
1091 BIT_TABLE(L, millisec),
1092 BIT_TABLE(L, msg_id),
1093 BIT_TABLE(L, msg_id_created),
1094 BIT_TABLE(L, outgoing_interface),
1095 BIT_TABLE(L, outgoing_port),
1097 BIT_TABLE(L, pipelining),
1098 BIT_TABLE(L, protocol_detail),
1099 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1100 BIT_TABLE(L, proxy),
1102 BIT_TABLE(L, queue_run),
1103 BIT_TABLE(L, queue_time),
1104 BIT_TABLE(L, queue_time_exclusive),
1105 BIT_TABLE(L, queue_time_overall),
1106 BIT_TABLE(L, receive_time),
1107 BIT_TABLE(L, received_recipients),
1108 BIT_TABLE(L, received_sender),
1109 BIT_TABLE(L, rejected_header),
1110 { US"rejected_headers", Li_rejected_header },
1111 BIT_TABLE(L, retry_defer),
1112 BIT_TABLE(L, return_path_on_delivery),
1113 BIT_TABLE(L, sender_on_delivery),
1114 BIT_TABLE(L, sender_verify_fail),
1115 BIT_TABLE(L, size_reject),
1116 BIT_TABLE(L, skip_delivery),
1117 BIT_TABLE(L, smtp_confirmation),
1118 BIT_TABLE(L, smtp_connection),
1119 BIT_TABLE(L, smtp_incomplete_transaction),
1120 BIT_TABLE(L, smtp_mailauth),
1121 BIT_TABLE(L, smtp_no_mail),
1122 BIT_TABLE(L, smtp_protocol_error),
1123 BIT_TABLE(L, smtp_syntax_error),
1124 BIT_TABLE(L, subject),
1125 BIT_TABLE(L, tls_certificate_verified),
1126 BIT_TABLE(L, tls_cipher),
1127 BIT_TABLE(L, tls_peerdn),
1128 BIT_TABLE(L, tls_resumption),
1129 BIT_TABLE(L, tls_sni),
1130 BIT_TABLE(L, unknown_in_list),
1132 int log_options_count = nelem(log_options);
1134 int log_reject_target = 0;
1135 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1136 uschar *log_selector_string = NULL;
1137 FILE *log_stderr = NULL;
1138 uschar *login_sender_address = NULL;
1139 uschar *lookup_dnssec_authenticated = NULL;
1140 int lookup_open_max = 25;
1141 uschar *lookup_value = NULL;
1143 macro_item *macros_user = NULL;
1144 uschar *mailstore_basename = NULL;
1145 #ifdef WITH_CONTENT_SCAN
1146 uschar *malware_name = NULL; /* Virus Name */
1148 int max_received_linelength= 0;
1149 int max_username_length = 0;
1150 int message_age = 0;
1151 uschar *message_body = NULL;
1152 uschar *message_body_end = NULL;
1153 int message_body_size = 0;
1154 int message_body_visible = 500;
1155 int message_ended = END_NOTSTARTED;
1156 uschar *message_headers = NULL;
1158 uschar *message_id_domain = NULL;
1159 uschar *message_id_text = NULL;
1160 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1161 uschar *message_id_external;
1162 int message_linecount = 0;
1163 int message_size = 0;
1164 uschar *message_size_limit = US"50M";
1166 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1168 uschar message_subdir[2] = { 0, 0 };
1169 const uschar *message_reference= NULL;
1171 /* MIME ACL expandables */
1172 #ifdef WITH_CONTENT_SCAN
1173 int mime_anomaly_level = 0;
1174 const uschar *mime_anomaly_text = NULL;
1175 uschar *mime_boundary = NULL;
1176 uschar *mime_charset = NULL;
1177 uschar *mime_content_description = NULL;
1178 uschar *mime_content_disposition = NULL;
1179 uschar *mime_content_id = NULL;
1180 unsigned int mime_content_size = 0;
1181 uschar *mime_content_transfer_encoding = NULL;
1182 uschar *mime_content_type = NULL;
1183 uschar *mime_decoded_filename = NULL;
1184 uschar *mime_filename = NULL;
1185 int mime_is_multipart = 0;
1186 int mime_is_coverletter = 0;
1187 int mime_is_rfc822 = 0;
1188 int mime_part_count = -1;
1191 uid_t *never_users = NULL;
1192 uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1194 const int on = 1; /* for setsockopt */
1197 uid_t original_euid;
1198 gid_t originator_gid;
1199 uschar *originator_login = NULL;
1200 uschar *originator_name = NULL;
1201 uid_t originator_uid;
1202 uschar *override_local_interfaces = NULL;
1203 const uschar *override_pid_file_path = NULL;
1205 BOOL panic_coredump = FALSE;
1206 pcre2_general_context * pcre_gen_ctx = NULL;
1207 pcre2_compile_context * pcre_gen_cmp_ctx = NULL;
1208 pcre2_match_context * pcre_gen_mtc_ctx = NULL;
1209 pcre2_general_context * pcre_mlc_ctx = NULL;
1210 pcre2_compile_context * pcre_mlc_cmp_ctx = NULL;
1212 uschar *percent_hack_domains = NULL;
1213 const uschar *pid_file_path = US PID_FILE_PATH
1214 "\0<--------------Space to patch pid_file_path->";
1215 #ifndef DISABLE_PIPE_CONNECT
1216 uschar *pipe_connect_advertise_hosts = US"*";
1218 uschar *pipelining_advertise_hosts = US"*";
1219 uschar *primary_hostname = NULL;
1220 uschar *process_info;
1221 int process_info_len = 0;
1222 uschar *process_log_path = NULL;
1223 const uschar *process_purpose = US"fresh-exec";
1225 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS) || defined(EXPERIMENTAL_XCLIENT)
1226 uschar *proxy_external_address = NULL;
1227 int proxy_external_port = 0;
1228 uschar *proxy_local_address = NULL;
1229 int proxy_local_port = 0;
1230 int proxy_protocol_timeout = 3;
1233 uschar *prvscheck_address = NULL;
1234 uschar *prvscheck_keynum = NULL;
1235 uschar *prvscheck_result = NULL;
1238 qrunner *qrunners = NULL;
1240 const uschar *qualify_domain_recipient = NULL;
1241 uschar *qualify_domain_sender = NULL;
1242 uschar *queue_domains = NULL;
1243 int queue_interval = -1;
1244 uschar *queue_name = US"";
1245 uschar *queue_name_dest = NULL;
1246 uschar *queue_only_file = NULL;
1247 int queue_only_load = -1;
1248 uschar *queue_run_max = US"5";
1249 pid_t queue_run_pid = (pid_t)0;
1250 int queue_run_pipe = -1;
1251 unsigned queue_size = 0;
1252 time_t queue_size_next = 0;
1253 uschar *queue_smtp_domains = NULL;
1255 uint32_t random_seed = 0;
1256 tree_node *ratelimiters_cmd = NULL;
1257 tree_node *ratelimiters_conn = NULL;
1258 tree_node *ratelimiters_mail = NULL;
1259 uschar *raw_active_hostname = NULL;
1260 const uschar *raw_sender = NULL;
1261 const uschar **raw_recipients = NULL;
1262 int raw_recipients_count = 0;
1265 int rcpt_fail_count = 0;
1266 int rcpt_defer_count = 0;
1269 int receive_linecount = 0;
1270 int receive_messagecount = 0;
1271 int receive_timeout = 0;
1272 int received_count = 0;
1273 const uschar *received_for = NULL;
1275 /* This is the default text for Received headers generated by Exim. The
1276 date will be automatically added on the end. */
1278 uschar *received_header_text = US
1280 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1281 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1282 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1283 "by $primary_hostname "
1284 "${if def:received_protocol {with $received_protocol }}"
1286 "${if def:tls_in_ver { ($tls_in_ver)}}"
1287 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1289 "(Exim $version_number)\n\t"
1290 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1291 "id $message_exim_id"
1292 "${if def:received_for {\n\tfor $received_for}}"
1293 "\0<---------------Space to patch received_header_text->";
1295 int received_headers_max = 30;
1296 uschar *received_protocol = NULL;
1297 struct timeval received_time = { 0, 0 };
1298 struct timeval received_time_complete = { 0, 0 };
1299 uschar *recipient_data = NULL;
1300 uschar *recipient_unqualified_hosts = NULL;
1301 uschar *recipient_verify_failure = NULL;
1302 int recipients_count = 0;
1303 recipient_item *recipients_list = NULL;
1304 int recipients_list_max = 0;
1305 uschar *recipients_max = US"50000";
1306 int recipients_max_expanded= 0;
1307 const pcre2_code *regex_AUTH = NULL;
1308 const pcre2_code *regex_check_dns_names = NULL;
1309 const pcre2_code *regex_From = NULL;
1310 const pcre2_code *regex_IGNOREQUOTA = NULL;
1311 const pcre2_code *regex_PIPELINING = NULL;
1312 const pcre2_code *regex_SIZE = NULL;
1313 #ifndef DISABLE_PIPE_CONNECT
1314 const pcre2_code *regex_EARLY_PIPE = NULL;
1316 int regex_cachesize = 0;
1317 const pcre2_code *regex_ismsgid = NULL;
1318 const pcre2_code *regex_smtp_code = NULL;
1319 const uschar *regex_vars[REGEX_VARS] = { NULL };
1320 #ifdef WHITELIST_D_MACROS
1321 const pcre2_code *regex_whitelisted_macro = NULL;
1323 #ifdef WITH_CONTENT_SCAN
1324 uschar *regex_match_string = NULL;
1326 int remote_delivery_count = 0;
1327 int remote_max_parallel = 4;
1328 uschar *remote_sort_domains = NULL;
1329 int retry_data_expire = 7*24*60*60;
1330 int retry_interval_max = 24*60*60;
1331 int retry_maximum_timeout = 0; /* set from retry config */
1332 retry_config *retries = NULL;
1333 const uschar *return_path = NULL;
1334 int rewrite_existflags = 0;
1335 uschar *rfc1413_hosts = US"@[]";
1336 int rfc1413_query_timeout = 0;
1337 uid_t root_gid = ROOT_GID;
1338 uid_t root_uid = ROOT_UID;
1340 router_instance *routers = NULL;
1342 /* All elements not mentioned will be 0/NULL/FALSE */
1343 router_instance router_defaults = {
1346 .address_test = TRUE,
1348 .log_as_local = TRUE_UNSET,
1351 .retry_use_local_part = TRUE_UNSET,
1352 .verify_recipient = TRUE,
1353 .verify_sender = TRUE,
1355 .self_code = self_freeze,
1359 .dnssec = { .request= US"*", .require=NULL },
1362 const uschar *router_name = NULL;
1363 tree_node *router_var = NULL;
1365 ip_address_item *running_interfaces = NULL;
1367 /* This is a weird one. The following string gets patched in the binary by the
1368 script that sets up a copy of Exim for running in the test harness. It seems
1369 that compilers are now clever, and share constant strings if they can.
1370 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1371 make use of the end of this string in order to save space. So the patching then
1372 wrecks this. We defeat this optimization by adding some additional characters
1373 onto the end of the string. */
1375 uschar *running_status = US">>>running<<<" "\0EXTRA";
1379 uschar *search_error_message = NULL;
1380 uschar *self_hostname = NULL;
1381 const uschar *sender_address = NULL;
1382 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1383 uschar *sender_address_data = NULL;
1384 const uschar *sender_address_unrewritten = NULL;
1385 uschar *sender_data = NULL;
1386 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1387 uschar *sender_fullhost = NULL;
1388 uschar *sender_helo_name = NULL;
1389 uschar **sender_host_aliases = &no_aliases;
1390 uschar *sender_host_address = NULL;
1391 uschar *sender_host_authenticated = NULL;
1392 uschar *sender_host_auth_pubname = NULL;
1393 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1394 uschar *sender_host_name = NULL;
1395 int sender_host_port = 0;
1396 uschar *sender_ident = NULL;
1397 uschar *sender_rate = NULL;
1398 uschar *sender_rate_limit = NULL;
1399 uschar *sender_rate_period = NULL;
1400 uschar *sender_rcvhost = NULL;
1401 uschar *sender_unqualified_hosts = NULL;
1402 uschar *sender_verify_failure = NULL;
1403 address_item *sender_verified_list = NULL;
1404 address_item *sender_verified_failed = NULL;
1405 int sender_verified_rc = -1;
1406 uschar *sending_ip_address = NULL;
1407 int sending_port = -1;
1408 SIGNAL_BOOL sigalrm_seen = FALSE;
1409 const uschar *sigalarm_setter = NULL;
1410 const uschar **sighup_argv = NULL;
1411 int slow_lookup_log = 0; /* millisecs, zero disables */
1412 int smtp_accept_count = 0;
1413 int smtp_accept_max = 20;
1414 int smtp_accept_max_nonmail= 10;
1415 uschar *smtp_accept_max_nonmail_hosts = US"*";
1416 uschar *smtp_accept_max_per_connection = US"1000";
1417 uschar *smtp_accept_max_per_host = NULL;
1418 int smtp_accept_queue = 0;
1419 int smtp_accept_queue_per_connection = 10;
1420 int smtp_accept_reserve = 0;
1421 uschar *smtp_active_hostname = NULL;
1422 int smtp_backlog_monitor = 0;
1423 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1424 "Exim $version_number $tod_full"
1425 "\0<---------------Space to patch smtp_banner->";
1426 int smtp_ch_index = 0;
1427 uschar *smtp_cmd_argument = NULL;
1428 uschar *smtp_cmd_buffer = NULL;
1429 struct timeval smtp_connection_start = {0,0};
1430 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1431 int smtp_connect_backlog = 20;
1432 double smtp_delay_mail = 0.0;
1433 double smtp_delay_rcpt = 0.0;
1434 FILE *smtp_in = NULL;
1435 int smtp_listen_backlog = 0;
1436 int smtp_load_reserve = -1;
1437 int smtp_mailcmd_count = 0;
1438 int smtp_mailcmd_max = -1;
1439 FILE *smtp_out = NULL;
1440 uschar *smtp_etrn_command = NULL;
1441 int smtp_max_synprot_errors= 3;
1442 int smtp_max_unknown_commands = 3;
1443 uschar *smtp_notquit_reason = NULL;
1444 unsigned smtp_peer_options = 0;
1445 unsigned smtp_peer_options_wrap= 0;
1446 uschar *smtp_ratelimit_hosts = NULL;
1447 uschar *smtp_ratelimit_mail = NULL;
1448 uschar *smtp_ratelimit_rcpt = NULL;
1449 uschar *smtp_read_error = US"";
1450 int smtp_receive_timeout = 5*60;
1451 uschar *smtp_receive_timeout_s = NULL;
1452 uschar *smtp_reserve_hosts = NULL;
1453 int smtp_rlm_base = 0;
1454 double smtp_rlm_factor = 0.0;
1455 int smtp_rlm_limit = 0;
1456 int smtp_rlm_threshold = INT_MAX;
1457 int smtp_rlr_base = 0;
1458 double smtp_rlr_factor = 0.0;
1459 int smtp_rlr_limit = 0;
1460 int smtp_rlr_threshold = INT_MAX;
1462 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1465 #ifdef WITH_CONTENT_SCAN
1466 uschar *spamd_address = US"127.0.0.1 783";
1467 uschar *spam_bar = NULL;
1468 uschar *spam_report = NULL;
1469 uschar *spam_action = NULL;
1470 uschar *spam_score = NULL;
1471 uschar *spam_score_int = NULL;
1474 FILE *spool_data_file = NULL;
1475 uschar *spool_directory = US SPOOL_DIRECTORY
1476 "\0<--------------Space to patch spool_directory->";
1478 uschar *srs_recipient = NULL;
1480 int string_datestamp_offset= -1;
1481 int string_datestamp_length= 0;
1482 int string_datestamp_type = -1;
1483 const uschar *submission_domain = NULL;
1484 const uschar *submission_name = NULL;
1485 int syslog_facility = LOG_MAIL;
1486 const uschar *syslog_processname= US"exim";
1487 uschar *system_filter = NULL;
1489 uschar *system_filter_directory_transport = NULL;
1490 uschar *system_filter_file_transport = NULL;
1491 uschar *system_filter_pipe_transport = NULL;
1492 uschar *system_filter_reply_transport = NULL;
1494 gid_t system_filter_gid = 0;
1495 uid_t system_filter_uid = (uid_t)-1;
1497 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1498 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1499 #ifdef USE_TCP_WRAPPERS
1500 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1502 int test_harness_load_avg = 0;
1503 int thismessage_size_limit = 0;
1504 int timeout_frozen_after = 0;
1505 #ifdef MEASURE_TIMING
1506 struct timeval timestamp_startup;
1509 transport_instance *transports = NULL;
1511 transport_instance transport_defaults = {
1512 /* All non-mentioned elements zero/NULL/FALSE */
1514 .multi_domain = TRUE,
1515 .max_addresses = US"100",
1516 .connection_max_messages = 500,
1519 .filter_timeout = 300,
1520 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1521 1 nor 0 so can detect unset */
1524 int transport_count;
1525 const uschar *transport_name = NULL;
1526 int transport_newlines;
1527 const uschar **transport_filter_argv = NULL;
1528 int transport_filter_timeout;
1529 int transport_write_timeout= 0;
1531 tree_node *tree_dns_fails = NULL;
1532 tree_node *tree_duplicates = NULL;
1533 tree_node *tree_nonrecipients = NULL;
1534 tree_node *tree_unusable = NULL;
1536 gid_t *trusted_groups = NULL;
1537 uid_t *trusted_users = NULL;
1538 uschar *timezone_string = US TIMEZONE_DEFAULT;
1540 uschar *unknown_login = NULL;
1541 uschar *unknown_username = NULL;
1542 uschar *untrusted_set_sender = NULL;
1544 /* A regex for matching a "From_" line in an incoming message, in the form
1546 From ph10 Fri Jan 5 12:35 GMT 1996
1548 which the "mail" commands send to the MTA (undocumented, of course), or in
1551 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1553 which is apparently used by some UUCPs, despite it not being in RFC 976.
1554 Because of variations in time formats, just match up to the minutes. That
1555 should be sufficient. Examples have been seen of time fields like 12:1:03,
1556 so just require one digit for hours and minutes. The weekday is also absent
1559 uschar *uucp_from_pattern = US
1560 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1561 "(?:" /* Non-extracting bracket */
1562 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1563 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1564 ")" /* End alternation */
1565 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1567 uschar *uucp_from_sender = US"$1";
1569 uschar *verify_mode = NULL;
1570 uschar *version_copyright =
1571 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1572 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2024";
1573 uschar *version_date = US"?";
1574 uschar *version_cnumber = US"????";
1575 uschar *version_string = US"?";
1577 uschar *warn_message_file = NULL;
1578 int warning_count = 0;
1579 const uschar *warnmsg_delay = NULL;
1580 const uschar *warnmsg_recipients = NULL;
1582 #ifndef DISABLE_WELLKNOWN
1583 uschar *wellknown_advertise_hosts = NULL;
1584 uschar *wellknown_response = NULL;
1587 /* End of globals.c */