1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* Copyright (c) The Exim Maintainers 2020 */
7 /* See the file NOTICE for conditions of use and distribution. */
9 /* All the global variables are defined together in this one module, so
10 that they are easy to find. */
15 /* Generic options for auths, all of which live inside auth_instance
16 data blocks and hence have the opt_public flag set. */
18 optionlist optionlist_auths[] = {
19 { "client_condition", opt_stringptr | opt_public,
20 OPT_OFF(auth_instance, client_condition) },
21 { "client_set_id", opt_stringptr | opt_public,
22 OPT_OFF(auth_instance, set_client_id) },
23 { "driver", opt_stringptr | opt_public,
24 OPT_OFF(auth_instance, driver_name) },
25 { "public_name", opt_stringptr | opt_public,
26 OPT_OFF(auth_instance, public_name) },
27 { "server_advertise_condition", opt_stringptr | opt_public,
28 OPT_OFF(auth_instance, advertise_condition)},
29 { "server_condition", opt_stringptr | opt_public,
30 OPT_OFF(auth_instance, server_condition) },
31 { "server_debug_print", opt_stringptr | opt_public,
32 OPT_OFF(auth_instance, server_debug_string) },
33 { "server_mail_auth_condition", opt_stringptr | opt_public,
34 OPT_OFF(auth_instance, mail_auth_condition) },
35 { "server_set_id", opt_stringptr | opt_public,
36 OPT_OFF(auth_instance, set_id) }
39 int optionlist_auths_size = nelem(optionlist_auths);
41 /* An empty host aliases list. */
43 uschar *no_aliases = NULL;
46 /* For comments on these variables, see globals.h. I'm too idle to
47 duplicate them here... */
50 uschar *opt_perl_startup = NULL;
51 BOOL opt_perl_at_start = FALSE;
52 BOOL opt_perl_started = FALSE;
53 BOOL opt_perl_taintmode = FALSE;
57 tree_node *dlobj_anchor = NULL;
61 uschar *ibase_servers = NULL;
65 uschar *eldap_ca_cert_dir = NULL;
66 uschar *eldap_ca_cert_file = NULL;
67 uschar *eldap_cert_file = NULL;
68 uschar *eldap_cert_key = NULL;
69 uschar *eldap_cipher_suite = NULL;
70 uschar *eldap_default_servers = NULL;
71 uschar *eldap_require_cert = NULL;
72 int eldap_version = -1;
73 BOOL eldap_start_tls = FALSE;
77 uschar *mysql_servers = NULL;
81 uschar *oracle_servers = NULL;
85 uschar *pgsql_servers = NULL;
89 uschar *redis_servers = NULL;
93 uschar *sqlite_dbfile = NULL;
94 int sqlite_lock_timeout = 5;
97 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
98 BOOL move_frozen_messages = FALSE;
101 /* These variables are outside the #ifdef because it keeps the code less
102 cluttered in several places (e.g. during logging) if we can always refer to
103 them. Also, the tls_ variables are now always visible. Note that these are
104 only used for smtp connections, not for service-daemon access. */
106 tls_support tls_in = {
107 .active = {.sock = -1}
108 /* all other elements zero */
110 tls_support tls_out = {
111 .active = {.sock = -1},
112 /* all other elements zero */
115 uschar *dsn_envid = NULL;
117 const pcre *regex_DSN = NULL;
118 uschar *dsn_advertise_hosts = NULL;
121 BOOL gnutls_compat_mode = FALSE;
122 BOOL gnutls_allow_auto_pkcs11 = FALSE;
123 uschar *openssl_options = NULL;
124 const pcre *regex_STARTTLS = NULL;
125 uschar *tls_advertise_hosts = US"*";
126 uschar *tls_certificate = NULL;
127 uschar *tls_crl = NULL;
128 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
129 that's the interop problem which has been observed: GnuTLS suggesting a higher
130 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
131 int tls_dh_max_bits = 2236;
132 uschar *tls_dhparam = NULL;
133 uschar *tls_eccurve = US"auto";
134 # ifndef DISABLE_OCSP
135 uschar *tls_ocsp_file = NULL;
137 uschar *tls_privatekey = NULL;
138 BOOL tls_remember_esmtp = FALSE;
139 uschar *tls_require_ciphers = NULL;
140 # ifndef DISABLE_TLS_RESUME
141 uschar *tls_resumption_hosts = NULL;
143 uschar *tls_try_verify_hosts = NULL;
144 uschar *tls_verify_certificates= US"system";
145 uschar *tls_verify_hosts = NULL;
146 #else /*DISABLE_TLS*/
147 uschar *tls_advertise_hosts = NULL;
151 /* Per Recipient Data Response variables */
152 BOOL prdr_enable = FALSE;
153 BOOL prdr_requested = FALSE;
154 const pcre *regex_PRDR = NULL;
158 const pcre *regex_UTF8 = NULL;
161 /* Input-reading functions for messages, so we can use special ones for
162 incoming TCP/IP. The defaults use stdin. We never need these for any
163 stand-alone tests. */
165 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
166 int (*lwr_receive_getc)(unsigned) = stdin_getc;
167 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
168 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
169 int (*receive_getc)(unsigned) = stdin_getc;
170 uschar * (*receive_getbuf)(unsigned *) = NULL;
171 void (*receive_get_cache)(void)= NULL;
172 int (*receive_ungetc)(int) = stdin_ungetc;
173 int (*receive_feof)(void) = stdin_feof;
174 int (*receive_ferror)(void) = stdin_ferror;
175 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
179 /* List of per-address expansion variables for clearing and saving/restoring
180 when verifying one address while routing/verifying another. We have to have
181 the size explicit, because it is referenced from more than one module. */
183 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
184 CUSS &deliver_address_data,
185 CUSS &deliver_domain,
186 CUSS &deliver_domain_data,
187 CUSS &deliver_domain_orig,
188 CUSS &deliver_domain_parent,
189 CUSS &deliver_localpart,
190 CUSS &deliver_localpart_data,
191 CUSS &deliver_localpart_orig,
192 CUSS &deliver_localpart_parent,
193 CUSS &deliver_localpart_prefix,
194 CUSS &deliver_localpart_suffix,
195 CUSS (uschar **)(&deliver_recipients),
203 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
205 /******************************************************************************/
206 /* General global variables. Boolean flags are done as a group
207 so that only one bit each is needed, packed, for all those we never
208 need to take a pointer - and only a char for the rest.
209 This means a struct, unfortunately since it clutters the sourcecode. */
211 struct global_flags f =
213 .acl_temp_details = FALSE,
214 .active_local_from_check = FALSE,
215 .active_local_sender_retain = FALSE,
216 .address_test_mode = FALSE,
218 .allow_auth_unadvertised= FALSE,
219 .allow_unqualified_recipient = TRUE, /* For local messages */
220 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
221 .authentication_local = FALSE,
223 .background_daemon = TRUE,
225 .chunking_offered = FALSE,
226 .config_changed = FALSE,
227 .continue_more = FALSE,
229 .daemon_listen = FALSE,
230 .debug_daemon = FALSE,
231 .deliver_firsttime = FALSE,
232 .deliver_force = FALSE,
233 .deliver_freeze = FALSE,
234 .deliver_force_thaw = FALSE,
235 .deliver_manual_thaw = FALSE,
236 .deliver_selectstring_regex = FALSE,
237 .deliver_selectstring_sender_regex = FALSE,
238 .disable_callout_flush = FALSE,
239 .disable_delay_flush = FALSE,
240 .disable_logging = FALSE,
242 .dkim_disable_verify = FALSE,
243 .dkim_init_done = FALSE,
246 .dmarc_has_been_checked = FALSE,
247 .dmarc_disable_verify = FALSE,
248 .dmarc_enable_forensic = FALSE,
250 .dont_deliver = FALSE,
253 .enable_dollar_recipients = FALSE,
254 .expand_string_forcedfail = FALSE,
256 .filter_running = FALSE,
258 .header_rewritten = FALSE,
259 .helo_verified = FALSE,
260 .helo_verify_failed = FALSE,
261 .host_checking_callout = FALSE,
262 .host_find_failed_syntax= FALSE,
264 .inetd_wait_mode = FALSE,
267 .local_error_message = FALSE,
268 .log_testing_mode = FALSE,
270 #ifdef WITH_CONTENT_SCAN
271 .no_mbox_unspool = FALSE,
273 .no_multiline_responses = FALSE,
275 .parse_allow_group = FALSE,
276 .parse_found_group = FALSE,
277 .pipelining_enable = TRUE,
278 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
279 .proxy_session_failed = FALSE,
282 .queue_2stage = FALSE,
283 .queue_only_policy = FALSE,
284 .queue_run_first_delivery = FALSE,
285 .queue_run_force = FALSE,
286 .queue_run_local = FALSE,
287 .queue_running = FALSE,
291 .receive_call_bombout = FALSE,
292 .recipients_discarded = FALSE,
293 .running_in_test_harness = FALSE,
295 .search_find_defer = FALSE,
296 .sender_address_forced = FALSE,
297 .sender_host_notsocket = FALSE,
298 .sender_host_unknown = FALSE,
299 .sender_local = FALSE,
300 .sender_name_forced = FALSE,
301 .sender_set_untrusted = FALSE,
302 .smtp_authenticated = FALSE,
303 #ifndef DISABLE_PIPE_CONNECT
304 .smtp_in_early_pipe_advertised = FALSE,
305 .smtp_in_early_pipe_no_auth = FALSE,
306 .smtp_in_early_pipe_used = FALSE,
308 .smtp_in_pipelining_advertised = FALSE,
309 .smtp_in_pipelining_used = FALSE,
310 .smtp_in_quit = FALSE,
311 .spool_file_wireformat = FALSE,
312 .submission_mode = FALSE,
313 .suppress_local_fixups = FALSE,
314 .suppress_local_fixups_default = FALSE,
315 .synchronous_delivery = FALSE,
316 .system_filtering = FALSE,
318 .taint_check_slow = FALSE,
319 .testsuite_delays = TRUE,
320 .tcp_fastopen_ok = FALSE,
321 .tcp_in_fastopen = FALSE,
322 .tcp_in_fastopen_data = FALSE,
323 .tcp_in_fastopen_logged = FALSE,
324 .tcp_out_fastopen_logged= FALSE,
325 .timestamps_utc = FALSE,
326 .transport_filter_timed_out = FALSE,
327 .trusted_caller = FALSE,
328 .trusted_config = TRUE,
331 /******************************************************************************/
332 /* These are the flags which are either variables or mainsection options,
333 so an address is needed for access, or are exported to local_scan. */
335 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
336 BOOL allow_domain_literals = FALSE;
337 BOOL allow_mx_to_ip = FALSE;
338 BOOL allow_utf8_domains = FALSE;
339 BOOL authentication_failed = FALSE;
341 BOOL bounce_return_body = TRUE;
342 BOOL bounce_return_message = TRUE;
343 BOOL check_rfc2047_length = TRUE;
344 BOOL commandline_checks_require_admin = FALSE;
346 #ifdef EXPERIMENTAL_DCC
347 BOOL dcc_direct_add_header = FALSE;
349 BOOL debug_store = FALSE;
350 BOOL delivery_date_remove = TRUE;
351 BOOL deliver_drop_privilege = FALSE;
352 #ifdef ENABLE_DISABLE_FSYNC
353 BOOL disable_fsync = FALSE;
355 BOOL disable_ipv6 = FALSE;
356 BOOL dns_csa_use_reverse = TRUE;
357 BOOL drop_cr = FALSE; /* No longer used */
359 BOOL envelope_to_remove = TRUE;
360 BOOL exim_gid_set = TRUE; /* This gid is always set */
361 BOOL exim_uid_set = TRUE; /* This uid is always set */
362 BOOL extract_addresses_remove_arguments = TRUE;
364 BOOL host_checking = FALSE;
365 BOOL host_lookup_deferred = FALSE;
366 BOOL host_lookup_failed = FALSE;
367 BOOL ignore_fromline_local = FALSE;
369 BOOL local_from_check = TRUE;
370 BOOL local_sender_retain = FALSE;
371 BOOL log_timezone = FALSE;
372 BOOL message_body_newlines = FALSE;
373 BOOL message_logs = TRUE;
375 BOOL message_smtputf8 = FALSE;
377 BOOL mua_wrapper = FALSE;
379 BOOL preserve_message_logs = FALSE;
380 BOOL print_topbitchars = FALSE;
381 BOOL prod_requires_admin = TRUE;
382 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
383 BOOL proxy_session = FALSE;
386 #ifndef DISABLE_QUEUE_RAMP
387 BOOL queue_fast_ramp = FALSE;
389 BOOL queue_list_requires_admin = TRUE;
390 BOOL queue_only = FALSE;
391 BOOL queue_only_load_latch = TRUE;
392 BOOL queue_only_override = TRUE;
393 BOOL queue_run_in_order = FALSE;
394 BOOL recipients_max_reject = FALSE;
395 BOOL return_path_remove = TRUE;
397 BOOL smtp_batched_input = FALSE;
398 BOOL sender_helo_dnssec = FALSE;
399 BOOL sender_host_dnssec = FALSE;
400 BOOL smtp_accept_keepalive = TRUE;
401 BOOL smtp_check_spool_space = TRUE;
402 BOOL smtp_enforce_sync = TRUE;
403 BOOL smtp_etrn_serialize = TRUE;
404 BOOL smtp_input = FALSE;
405 BOOL smtp_return_error_details = FALSE;
407 BOOL spf_result_guessed = FALSE;
409 BOOL split_spool_directory = FALSE;
410 BOOL spool_wireformat = FALSE;
411 #ifdef EXPERIMENTAL_SRS_ALT
412 BOOL srs_usehash = TRUE;
413 BOOL srs_usetimestamp = TRUE;
415 BOOL strict_acl_vars = FALSE;
416 BOOL strip_excess_angle_brackets = FALSE;
417 BOOL strip_trailing_dot = FALSE;
418 BOOL syslog_duplication = TRUE;
419 BOOL syslog_pid = TRUE;
420 BOOL syslog_timestamp = TRUE;
421 BOOL system_filter_gid_set = FALSE;
422 BOOL system_filter_uid_set = FALSE;
424 BOOL tcp_nodelay = TRUE;
425 BOOL write_rejectlog = TRUE;
427 /******************************************************************************/
429 header_line *acl_added_headers = NULL;
430 tree_node *acl_anchor = NULL;
431 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
432 NULL, NULL, NULL, NULL};
437 uschar *acl_not_smtp = NULL;
438 #ifdef WITH_CONTENT_SCAN
439 uschar *acl_not_smtp_mime = NULL;
441 uschar *acl_not_smtp_start = NULL;
442 uschar *acl_removed_headers = NULL;
443 uschar *acl_smtp_auth = NULL;
444 uschar *acl_smtp_connect = NULL;
445 uschar *acl_smtp_data = NULL;
447 uschar *acl_smtp_data_prdr = US"accept";
450 uschar *acl_smtp_dkim = NULL;
452 uschar *acl_smtp_etrn = NULL;
453 uschar *acl_smtp_expn = NULL;
454 uschar *acl_smtp_helo = NULL;
455 uschar *acl_smtp_mail = NULL;
456 uschar *acl_smtp_mailauth = NULL;
457 #ifdef WITH_CONTENT_SCAN
458 uschar *acl_smtp_mime = NULL;
460 uschar *acl_smtp_notquit = NULL;
461 uschar *acl_smtp_predata = NULL;
462 uschar *acl_smtp_quit = NULL;
463 uschar *acl_smtp_rcpt = NULL;
464 uschar *acl_smtp_starttls = NULL;
465 uschar *acl_smtp_vrfy = NULL;
467 tree_node *acl_var_c = NULL;
468 tree_node *acl_var_m = NULL;
469 uschar *acl_verify_message = NULL;
470 string_item *acl_warn_logged = NULL;
472 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
473 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
475 uschar *acl_wherenames[] = { US"RCPT",
500 uschar *acl_wherecodes[] = { US"550", /* RCPT */
502 US"550", /* PREDATA */
507 US"550", /* RCPT PRDR */
509 US"0", /* not SMTP; not relevant */
511 US"550", /* connect */
514 US"550", /* HELO/EHLO */
515 US"0", /* MAILAUTH; not relevant */
516 US"0", /* not SMTP; not relevant */
517 US"0", /* NOTQUIT; not relevant */
518 US"0", /* QUIT; not relevant */
519 US"550", /* STARTTLS */
521 US"0", /* delivery; not relevant */
522 US"0" /* unknown; not relevant */
525 uschar *add_environment = NULL;
526 address_item *addr_duplicate = NULL;
528 address_item address_defaults = {
533 .start_router = NULL,
538 .fallback_hosts = NULL,
543 .cc_local_part = NULL,
544 .lc_local_part = NULL,
551 .address_retry_key = NULL,
552 .domain_retry_key = NULL,
556 .user_message = NULL,
557 .onetime_parent = NULL,
558 .pipe_expandn = NULL,
559 .return_filename = NULL,
560 .self_hostname = NULL,
561 .shadow_message = NULL,
567 .ocsp = OCSP_NOT_REQ,
569 #ifdef EXPERIMENTAL_DSN_INFO
570 .smtp_greeting = NULL,
571 .helo_response = NULL,
573 .authenticator = NULL,
582 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
583 .localpart_cache = { 0 }, /* localpart_cache - ditto */
586 .delivery_time = {.tv_sec = 0, .tv_usec = 0},
587 .basic_errno = ERRNO_UNKNOWNERROR,
590 .special_action = SPECIAL_NONE,
591 .transport_return = DEFER,
592 .prop = { /* fields that are propagated to children */
593 .address_data = NULL,
595 .localpart_data = NULL,
596 .errors_address = NULL,
597 .extra_headers = NULL,
598 .remove_headers = NULL,
600 #ifdef EXPERIMENTAL_SRS_ALT
603 .ignore_error = FALSE,
606 .utf8_downcvt = FALSE,
607 .utf8_downcvt_maybe = FALSE
612 uschar *address_file = NULL;
613 uschar *address_pipe = NULL;
614 tree_node *addresslist_anchor = NULL;
615 int addresslist_count = 0;
616 gid_t *admin_groups = NULL;
618 #ifdef EXPERIMENTAL_ARC
619 struct arc_set *arc_received = NULL;
620 int arc_received_instance = 0;
621 int arc_oldest_pass = 0;
622 const uschar *arc_state = NULL;
623 const uschar *arc_state_reason = NULL;
626 uschar *authenticated_fail_id = NULL;
627 uschar *authenticated_id = NULL;
628 uschar *authenticated_sender = NULL;
629 auth_instance *auths = NULL;
630 uschar *auth_advertise_hosts = US"*";
631 auth_instance auth_defaults = {
635 .options_block = NULL,
637 .advertise_condition = NULL,
638 .client_condition = NULL,
641 .set_client_id = NULL,
642 .mail_auth_condition = NULL,
643 .server_debug_string = NULL,
644 .server_condition = NULL,
650 uschar *auth_defer_msg = US"reason not recorded";
651 uschar *auth_defer_user_msg = US"";
652 uschar *auth_vars[AUTH_VARS];
654 #ifdef WITH_CONTENT_SCAN
655 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
656 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
660 uschar *base62_chars=
661 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
663 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
666 uschar *bi_command = NULL;
667 uschar *big_buffer = NULL;
668 int big_buffer_size = BIG_BUFFER_SIZE;
669 #ifdef EXPERIMENTAL_BRIGHTMAIL
670 uschar *bmi_alt_location = NULL;
671 uschar *bmi_base64_tracker_verdict = NULL;
672 uschar *bmi_base64_verdict = NULL;
673 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
676 uschar *bmi_verdicts = NULL;
678 int bsmtp_transaction_linecount = 0;
679 int body_8bitmime = 0;
680 int body_linecount = 0;
681 int body_zerocount = 0;
682 uschar *bounce_message_file = NULL;
683 uschar *bounce_message_text = NULL;
684 uschar *bounce_recipient = NULL;
685 int bounce_return_linesize_limit = 998;
686 int bounce_return_size_limit = 100*1024;
687 uschar *bounce_sender_authentication = NULL;
689 uschar *callout_address = NULL;
690 int callout_cache_domain_positive_expire = 7*24*60*60;
691 int callout_cache_domain_negative_expire = 3*60*60;
692 int callout_cache_positive_expire = 24*60*60;
693 int callout_cache_negative_expire = 2*60*60;
694 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
695 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
696 int check_log_inodes = 100;
697 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
698 int check_spool_inodes = 100;
699 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
701 uschar *chunking_advertise_hosts = US"*";
702 unsigned chunking_datasize = 0;
703 unsigned chunking_data_left = 0;
704 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
705 const pcre *regex_CHUNKING = NULL;
707 uschar *client_authenticator = NULL;
708 uschar *client_authenticated_id = NULL;
709 uschar *client_authenticated_sender = NULL;
710 int clmacro_count = 0;
711 uschar *clmacros[MAX_CLMACROS];
712 FILE *config_file = NULL;
713 const uschar *config_filename = NULL;
714 int config_lineno = 0;
715 #ifdef CONFIGURE_GROUP
716 gid_t config_gid = CONFIGURE_GROUP;
718 gid_t config_gid = 0;
720 uschar *config_main_filelist = US CONFIGURE_FILE
721 "\0<-----------Space to patch configure_filename->";
722 uschar *config_main_filename = NULL;
723 uschar *config_main_directory = NULL;
725 #ifdef CONFIGURE_OWNER
726 uid_t config_uid = CONFIGURE_OWNER;
728 uid_t config_uid = 0;
731 int connection_max_messages= -1;
732 uschar *continue_proxy_cipher = NULL;
733 BOOL continue_proxy_dane = FALSE;
734 uschar *continue_proxy_sni = NULL;
735 uschar *continue_hostname = NULL;
736 uschar *continue_host_address = NULL;
737 int continue_sequence = 1;
738 uschar *continue_transport = NULL;
740 uschar *csa_status = NULL;
742 .callout_hold_only = FALSE, /* verify-only: normal delivery */
743 .delivery = FALSE, /* when to attempt */
744 .defer_pass = FALSE, /* on defer: spool locally */
745 .is_tls = FALSE, /* not a TLS conn yet */
746 .cctx = {.sock = -1}, /* open connection */
747 .nrcpt = 0, /* number of addresses */
750 int daemon_notifier_fd = -1;
751 uschar *daemon_smtp_port = US"smtp";
752 int daemon_startup_retries = 9;
753 int daemon_startup_sleep = 30;
755 #ifdef EXPERIMENTAL_DCC
756 uschar *dcc_header = NULL;
757 uschar *dcc_result = NULL;
758 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
759 uschar *dccifd_options = US"header";
763 FILE *debug_file = NULL;
764 int debug_notall[] = {
769 bit_table debug_options[] = { /* must be in alphabetical order and use
770 only the enum values from macro.h */
774 BIT_TABLE(D, deliver),
778 BIT_TABLE(D, expand),
779 BIT_TABLE(D, filter),
780 BIT_TABLE(D, hints_lookup),
781 BIT_TABLE(D, host_lookup),
783 BIT_TABLE(D, interface),
786 BIT_TABLE(D, local_scan),
787 BIT_TABLE(D, lookup),
788 BIT_TABLE(D, memory),
789 BIT_TABLE(D, noutf8),
791 BIT_TABLE(D, process_info),
792 BIT_TABLE(D, queue_run),
793 BIT_TABLE(D, receive),
794 BIT_TABLE(D, resolver),
796 BIT_TABLE(D, rewrite),
798 BIT_TABLE(D, timestamp),
800 BIT_TABLE(D, transport),
802 BIT_TABLE(D, verify),
804 int debug_options_count = nelem(debug_options);
806 unsigned int debug_selector = 0;
807 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
808 uschar *delay_warning_condition=
810 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
811 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
812 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
814 uschar *deliver_address_data = NULL;
815 int deliver_datafile = -1;
816 const uschar *deliver_domain = NULL;
817 uschar *deliver_domain_data = NULL;
818 const uschar *deliver_domain_orig = NULL;
819 const uschar *deliver_domain_parent = NULL;
820 time_t deliver_frozen_at = 0;
821 uschar *deliver_home = NULL;
822 const uschar *deliver_host = NULL;
823 const uschar *deliver_host_address = NULL;
824 int deliver_host_port = 0;
825 uschar *deliver_in_buffer = NULL;
826 ino_t deliver_inode = 0;
827 uschar *deliver_localpart = NULL;
828 uschar *deliver_localpart_data = NULL;
829 uschar *deliver_localpart_orig = NULL;
830 uschar *deliver_localpart_parent = NULL;
831 uschar *deliver_localpart_prefix = NULL;
832 uschar *deliver_localpart_prefix_v = NULL;
833 uschar *deliver_localpart_suffix = NULL;
834 uschar *deliver_localpart_suffix_v = NULL;
835 uschar *deliver_out_buffer = NULL;
836 int deliver_queue_load_max = -1;
837 address_item *deliver_recipients = NULL;
838 uschar *deliver_selectstring = NULL;
839 uschar *deliver_selectstring_sender = NULL;
842 unsigned dkim_collect_input = 0;
843 uschar *dkim_cur_signer = NULL;
844 int dkim_key_length = 0;
845 void *dkim_signatures = NULL;
846 uschar *dkim_signers = NULL;
847 uschar *dkim_signing_domain = NULL;
848 uschar *dkim_signing_selector = NULL;
849 uschar *dkim_verify_hashes = US"sha256:sha512";
850 uschar *dkim_verify_keytypes = US"ed25519:rsa";
851 uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
852 BOOL dkim_verify_minimal = FALSE;
853 uschar *dkim_verify_overall = NULL;
854 uschar *dkim_verify_signers = US"$dkim_signers";
855 uschar *dkim_verify_status = NULL;
856 uschar *dkim_verify_reason = NULL;
859 uschar *dmarc_domain_policy = NULL;
860 uschar *dmarc_forensic_sender = NULL;
861 uschar *dmarc_history_file = NULL;
862 uschar *dmarc_status = NULL;
863 uschar *dmarc_status_text = NULL;
864 uschar *dmarc_tld_file = NULL;
865 uschar *dmarc_used_domain = NULL;
868 uschar *dns_again_means_nonexist = NULL;
869 int dns_csa_search_limit = 5;
870 int dns_cname_loops = 1;
872 int dns_dane_ok = -1;
874 uschar *dns_ipv4_lookup = NULL;
877 int dns_dnssec_ok = -1; /* <0 = not coerced */
878 uschar *dns_trust_aa = NULL;
879 int dns_use_edns0 = -1; /* <0 = not coerced */
880 uschar *dnslist_domain = NULL;
881 uschar *dnslist_matched = NULL;
882 uschar *dnslist_text = NULL;
883 uschar *dnslist_value = NULL;
884 tree_node *domainlist_anchor = NULL;
885 int domainlist_count = 0;
886 uschar *dsn_from = US DEFAULT_DSN_FROM;
888 int errno_quota = ERRNO_QUOTA;
889 uschar *errors_copy = NULL;
890 int error_handling = ERRORS_SENDER;
891 uschar *errors_reply_to = NULL;
892 int errors_sender_rc = EXIT_FAILURE;
893 #ifndef DISABLE_EVENT
894 uschar *event_action = NULL; /* expansion for delivery events */
895 uschar *event_data = NULL; /* auxiliary data variable for event */
896 int event_defer_errno = 0;
897 const uschar *event_name = NULL; /* event name variable */
901 gid_t exim_gid = EXIM_GID;
902 uschar *exim_path = US BIN_DIRECTORY "/exim"
903 "\0<---------------Space to patch exim_path->";
904 uid_t exim_uid = EXIM_UID;
905 int expand_level = 0; /* Nesting depth, indent for debug */
906 int expand_forbid = 0;
907 int expand_nlength[EXPAND_MAXN+1];
908 int expand_nmax = -1;
909 uschar *expand_nstring[EXPAND_MAXN+1];
910 uschar *expand_string_message;
911 uschar *extra_local_interfaces = NULL;
913 int fake_response = OK;
914 uschar *fake_response_text = US"Your message has been rejected but is "
915 "being kept for evaluation.\nIf it was a "
916 "legitimate message, it may still be "
917 "delivered to the target recipient(s).";
918 int filter_n[FILTER_VARIABLE_COUNT];
919 int filter_sn[FILTER_VARIABLE_COUNT];
920 int filter_test = FTEST_NONE;
921 uschar *filter_test_sfile = NULL;
922 uschar *filter_test_ufile = NULL;
923 uschar *filter_thisaddress = NULL;
924 int finduser_retries = 0;
925 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
926 uschar *freeze_tell = NULL;
927 uschar *freeze_tell_config = NULL;
928 uschar *fudged_queue_times = US"";
930 uschar *gecos_name = NULL;
931 uschar *gecos_pattern = NULL;
932 rewrite_rule *global_rewrite_rules = NULL;
934 volatile sig_atomic_t had_command_timeout = 0;
935 volatile sig_atomic_t had_command_sigterm = 0;
936 volatile sig_atomic_t had_data_timeout = 0;
937 volatile sig_atomic_t had_data_sigint = 0;
938 uschar *headers_charset = US HEADERS_CHARSET;
939 int header_insert_maxlen = 64 * 1024;
940 header_line *header_last = NULL;
941 header_line *header_list = NULL;
942 int header_maxsize = HEADER_MAXSIZE;
943 int header_line_maxsize = 0;
945 header_name header_names[] = {
946 /* name len allow_resent htype */
947 { US"bcc", 3, TRUE, htype_bcc },
948 { US"cc", 2, TRUE, htype_cc },
949 { US"date", 4, TRUE, htype_date },
950 { US"delivery-date", 13, FALSE, htype_delivery_date },
951 { US"envelope-to", 11, FALSE, htype_envelope_to },
952 { US"from", 4, TRUE, htype_from },
953 { US"message-id", 10, TRUE, htype_id },
954 { US"received", 8, FALSE, htype_received },
955 { US"reply-to", 8, FALSE, htype_reply_to },
956 { US"return-path", 11, FALSE, htype_return_path },
957 { US"sender", 6, TRUE, htype_sender },
958 { US"subject", 7, FALSE, htype_subject },
959 { US"to", 2, TRUE, htype_to }
962 int header_names_size = nelem(header_names);
964 uschar *helo_accept_junk_hosts = NULL;
965 uschar *helo_allow_chars = US"";
966 uschar *helo_lookup_domains = US"@ : @[]";
967 uschar *helo_try_verify_hosts = NULL;
968 uschar *helo_verify_hosts = NULL;
969 const uschar *hex_digits = CUS"0123456789abcdef";
970 uschar *hold_domains = NULL;
971 uschar *host_data = NULL;
972 uschar *host_lookup = NULL;
973 uschar *host_lookup_order = US"bydns:byaddr";
974 uschar *host_lookup_msg = US"";
976 uschar *host_number_string = NULL;
977 uschar *host_reject_connection = NULL;
978 tree_node *hostlist_anchor = NULL;
979 int hostlist_count = 0;
980 uschar *hosts_treat_as_local = NULL;
981 uschar *hosts_connection_nolog = NULL;
983 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
984 uschar *ignore_fromline_hosts = NULL;
985 int inetd_wait_timeout = -1;
986 uschar *initial_cwd = NULL;
987 uschar *interface_address = NULL;
988 int interface_port = -1;
989 uschar *iterate_item = NULL;
993 uschar *keep_environment = NULL;
995 int keep_malformed = 4*24*60*60; /* 4 days */
997 uschar *eldap_dn = NULL;
998 int load_average = -2;
999 uschar *local_from_prefix = NULL;
1000 uschar *local_from_suffix = NULL;
1003 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1005 uschar *local_interfaces = US"0.0.0.0";
1008 #ifdef HAVE_LOCAL_SCAN
1009 uschar *local_scan_data = NULL;
1010 int local_scan_timeout = 5*60;
1012 gid_t local_user_gid = (gid_t)(-1);
1013 uid_t local_user_uid = (uid_t)(-1);
1015 tree_node *localpartlist_anchor= NULL;
1016 int localpartlist_count = 0;
1017 uschar *log_buffer = NULL;
1019 int log_default[] = { /* for initializing log_selector */
1020 Li_acl_warn_skipped,
1021 Li_connection_reject,
1026 Li_host_lookup_failed,
1027 Li_lost_incoming_connection,
1028 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1033 Li_sender_verify_fail,
1036 Li_smtp_confirmation,
1037 Li_tls_certificate_verified,
1042 uschar *log_file_path = US LOG_FILE_PATH
1043 "\0<--------------Space to patch log_file_path->";
1045 int log_notall[] = {
1048 bit_table log_options[] = { /* must be in alphabetical order,
1049 with definitions from enum logbit. */
1050 BIT_TABLE(L, 8bitmime),
1051 BIT_TABLE(L, acl_warn_skipped),
1052 BIT_TABLE(L, address_rewrite),
1054 BIT_TABLE(L, all_parents),
1055 BIT_TABLE(L, arguments),
1056 BIT_TABLE(L, connection_reject),
1057 BIT_TABLE(L, delay_delivery),
1058 BIT_TABLE(L, deliver_time),
1059 BIT_TABLE(L, delivery_size),
1060 #ifndef DISABLE_DKIM
1062 BIT_TABLE(L, dkim_verbose),
1064 BIT_TABLE(L, dnslist_defer),
1065 BIT_TABLE(L, dnssec),
1067 BIT_TABLE(L, host_lookup_failed),
1068 BIT_TABLE(L, ident_timeout),
1069 BIT_TABLE(L, incoming_interface),
1070 BIT_TABLE(L, incoming_port),
1071 BIT_TABLE(L, lost_incoming_connection),
1072 BIT_TABLE(L, millisec),
1073 BIT_TABLE(L, msg_id),
1074 BIT_TABLE(L, msg_id_created),
1075 BIT_TABLE(L, outgoing_interface),
1076 BIT_TABLE(L, outgoing_port),
1078 BIT_TABLE(L, pipelining),
1079 BIT_TABLE(L, protocol_detail),
1080 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1081 BIT_TABLE(L, proxy),
1083 BIT_TABLE(L, queue_run),
1084 BIT_TABLE(L, queue_time),
1085 BIT_TABLE(L, queue_time_overall),
1086 BIT_TABLE(L, receive_time),
1087 BIT_TABLE(L, received_recipients),
1088 BIT_TABLE(L, received_sender),
1089 BIT_TABLE(L, rejected_header),
1090 { US"rejected_headers", Li_rejected_header },
1091 BIT_TABLE(L, retry_defer),
1092 BIT_TABLE(L, return_path_on_delivery),
1093 BIT_TABLE(L, sender_on_delivery),
1094 BIT_TABLE(L, sender_verify_fail),
1095 BIT_TABLE(L, size_reject),
1096 BIT_TABLE(L, skip_delivery),
1097 BIT_TABLE(L, smtp_confirmation),
1098 BIT_TABLE(L, smtp_connection),
1099 BIT_TABLE(L, smtp_incomplete_transaction),
1100 BIT_TABLE(L, smtp_mailauth),
1101 BIT_TABLE(L, smtp_no_mail),
1102 BIT_TABLE(L, smtp_protocol_error),
1103 BIT_TABLE(L, smtp_syntax_error),
1104 BIT_TABLE(L, subject),
1105 BIT_TABLE(L, tls_certificate_verified),
1106 BIT_TABLE(L, tls_cipher),
1107 BIT_TABLE(L, tls_peerdn),
1108 BIT_TABLE(L, tls_resumption),
1109 BIT_TABLE(L, tls_sni),
1110 BIT_TABLE(L, unknown_in_list),
1112 int log_options_count = nelem(log_options);
1114 int log_reject_target = 0;
1115 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1116 uschar *log_selector_string = NULL;
1117 FILE *log_stderr = NULL;
1118 uschar *login_sender_address = NULL;
1119 uschar *lookup_dnssec_authenticated = NULL;
1120 int lookup_open_max = 25;
1121 uschar *lookup_value = NULL;
1123 macro_item *macros_user = NULL;
1124 uschar *mailstore_basename = NULL;
1125 #ifdef WITH_CONTENT_SCAN
1126 uschar *malware_name = NULL; /* Virus Name */
1128 int max_received_linelength= 0;
1129 int max_username_length = 0;
1130 int message_age = 0;
1131 uschar *message_body = NULL;
1132 uschar *message_body_end = NULL;
1133 int message_body_size = 0;
1134 int message_body_visible = 500;
1135 int message_ended = END_NOTSTARTED;
1136 uschar *message_headers = NULL;
1138 uschar *message_id_domain = NULL;
1139 uschar *message_id_text = NULL;
1140 struct timeval message_id_tv = { 0, 0 };
1141 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1142 uschar *message_id_external;
1143 int message_linecount = 0;
1144 int message_size = 0;
1145 uschar *message_size_limit = US"50M";
1147 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1149 uschar message_subdir[2] = { 0, 0 };
1150 uschar *message_reference = NULL;
1152 /* MIME ACL expandables */
1153 #ifdef WITH_CONTENT_SCAN
1154 int mime_anomaly_level = 0;
1155 const uschar *mime_anomaly_text = NULL;
1156 uschar *mime_boundary = NULL;
1157 uschar *mime_charset = NULL;
1158 uschar *mime_content_description = NULL;
1159 uschar *mime_content_disposition = NULL;
1160 uschar *mime_content_id = NULL;
1161 unsigned int mime_content_size = 0;
1162 uschar *mime_content_transfer_encoding = NULL;
1163 uschar *mime_content_type = NULL;
1164 uschar *mime_decoded_filename = NULL;
1165 uschar *mime_filename = NULL;
1166 int mime_is_multipart = 0;
1167 int mime_is_coverletter = 0;
1168 int mime_is_rfc822 = 0;
1169 int mime_part_count = -1;
1172 uid_t *never_users = NULL;
1173 uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1175 const int on = 1; /* for setsockopt */
1178 uid_t original_euid;
1179 gid_t originator_gid;
1180 uschar *originator_login = NULL;
1181 uschar *originator_name = NULL;
1182 uid_t originator_uid;
1183 uschar *override_local_interfaces = NULL;
1184 uschar *override_pid_file_path = NULL;
1186 uschar *percent_hack_domains = NULL;
1187 uschar *pid_file_path = US PID_FILE_PATH
1188 "\0<--------------Space to patch pid_file_path->";
1189 #ifndef DISABLE_PIPE_CONNECT
1190 uschar *pipe_connect_advertise_hosts = US"*";
1192 uschar *pipelining_advertise_hosts = US"*";
1193 uschar *primary_hostname = NULL;
1194 uschar *process_info;
1195 int process_info_len = 0;
1196 uschar *process_log_path = NULL;
1197 const uschar *process_purpose = US"fresh-exec";
1199 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1200 uschar *hosts_proxy = NULL;
1201 uschar *proxy_external_address = NULL;
1202 int proxy_external_port = 0;
1203 uschar *proxy_local_address = NULL;
1204 int proxy_local_port = 0;
1207 uschar *prvscheck_address = NULL;
1208 uschar *prvscheck_keynum = NULL;
1209 uschar *prvscheck_result = NULL;
1212 const uschar *qualify_domain_recipient = NULL;
1213 uschar *qualify_domain_sender = NULL;
1214 uschar *queue_domains = NULL;
1215 int queue_interval = -1;
1216 uschar *queue_name = US"";
1217 uschar *queue_name_dest = NULL;
1218 uschar *queue_only_file = NULL;
1219 int queue_only_load = -1;
1220 uschar *queue_run_max = US"5";
1221 pid_t queue_run_pid = (pid_t)0;
1222 int queue_run_pipe = -1;
1223 unsigned queue_size = 0;
1224 time_t queue_size_next = 0;
1225 uschar *queue_smtp_domains = NULL;
1227 uint32_t random_seed = 0;
1228 tree_node *ratelimiters_cmd = NULL;
1229 tree_node *ratelimiters_conn = NULL;
1230 tree_node *ratelimiters_mail = NULL;
1231 uschar *raw_active_hostname = NULL;
1232 uschar *raw_sender = NULL;
1233 uschar **raw_recipients = NULL;
1234 int raw_recipients_count = 0;
1237 int rcpt_fail_count = 0;
1238 int rcpt_defer_count = 0;
1241 int receive_linecount = 0;
1242 int receive_messagecount = 0;
1243 int receive_timeout = 0;
1244 int received_count = 0;
1245 uschar *received_for = NULL;
1247 /* This is the default text for Received headers generated by Exim. The
1248 date will be automatically added on the end. */
1250 uschar *received_header_text = US
1252 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1253 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1254 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1255 "by $primary_hostname "
1256 "${if def:received_protocol {with $received_protocol }}"
1258 "${if def:tls_in_ver { ($tls_in_ver)}}"
1259 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1261 "(Exim $version_number)\n\t"
1262 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1263 "id $message_exim_id"
1264 "${if def:received_for {\n\tfor $received_for}}"
1265 "\0<---------------Space to patch received_header_text->";
1267 int received_headers_max = 30;
1268 uschar *received_protocol = NULL;
1269 struct timeval received_time = { 0, 0 };
1270 struct timeval received_time_taken = { 0, 0 };
1271 uschar *recipient_data = NULL;
1272 uschar *recipient_unqualified_hosts = NULL;
1273 uschar *recipient_verify_failure = NULL;
1274 int recipients_count = 0;
1275 recipient_item *recipients_list = NULL;
1276 int recipients_list_max = 0;
1277 int recipients_max = 0;
1278 const pcre *regex_AUTH = NULL;
1279 const pcre *regex_check_dns_names = NULL;
1280 const pcre *regex_From = NULL;
1281 const pcre *regex_IGNOREQUOTA = NULL;
1282 const pcre *regex_PIPELINING = NULL;
1283 const pcre *regex_SIZE = NULL;
1284 #ifndef DISABLE_PIPE_CONNECT
1285 const pcre *regex_EARLY_PIPE = NULL;
1287 const pcre *regex_ismsgid = NULL;
1288 const pcre *regex_smtp_code = NULL;
1289 uschar *regex_vars[REGEX_VARS];
1290 #ifdef WHITELIST_D_MACROS
1291 const pcre *regex_whitelisted_macro = NULL;
1293 #ifdef WITH_CONTENT_SCAN
1294 uschar *regex_match_string = NULL;
1296 int remote_delivery_count = 0;
1297 int remote_max_parallel = 2;
1298 uschar *remote_sort_domains = NULL;
1299 int retry_data_expire = 7*24*60*60;
1300 int retry_interval_max = 24*60*60;
1301 int retry_maximum_timeout = 0; /* set from retry config */
1302 retry_config *retries = NULL;
1303 uschar *return_path = NULL;
1304 int rewrite_existflags = 0;
1305 uschar *rfc1413_hosts = US"@[]";
1306 int rfc1413_query_timeout = 0;
1307 uid_t root_gid = ROOT_GID;
1308 uid_t root_uid = ROOT_UID;
1310 router_instance *routers = NULL;
1311 router_instance router_defaults = {
1315 .options_block = NULL,
1316 .driver_name = NULL,
1318 .address_data = NULL,
1319 #ifdef EXPERIMENTAL_BRIGHTMAIL
1322 .cannot_route_message = NULL,
1324 .current_directory = NULL,
1325 .debug_string = NULL,
1330 .expand_more = NULL,
1331 .expand_unseen = NULL,
1332 .extra_headers = NULL,
1333 .fallback_hosts = NULL,
1334 .home_directory = NULL,
1335 .ignore_target_hosts = NULL,
1336 .local_parts = NULL,
1337 .pass_router_name = NULL,
1339 .redirect_router_name = NULL,
1340 .remove_headers = NULL,
1341 .require_files = NULL,
1342 .router_home_directory = NULL,
1346 .translate_ip_address = NULL,
1347 .transport_name = NULL,
1349 .address_test = TRUE,
1350 #ifdef EXPERIMENTAL_BRIGHTMAIL
1351 .bmi_deliver_alternate = FALSE,
1352 .bmi_deliver_default = FALSE,
1353 .bmi_dont_deliver = FALSE,
1356 .caseful_local_part = FALSE,
1357 .check_local_user = FALSE,
1358 .disable_logging = FALSE,
1359 .fail_verify_recipient = FALSE,
1360 .fail_verify_sender = FALSE,
1362 .initgroups = FALSE,
1363 .log_as_local = TRUE_UNSET,
1365 .pass_on_timeout = FALSE,
1366 .prefix_optional = FALSE,
1368 .retry_use_local_part = TRUE_UNSET,
1369 .same_domain_copy_routing = FALSE,
1370 .self_rewrite = FALSE,
1372 .suffix_optional = FALSE,
1373 .verify_only = FALSE,
1374 .verify_recipient = TRUE,
1375 .verify_sender = TRUE,
1378 .dsn_lasthop = FALSE,
1380 .self_code = self_freeze,
1384 .fallback_hostlist = NULL,
1386 .pass_router = NULL,
1387 .redirect_router = NULL,
1389 .dnssec = { .request= US"*", .require=NULL },
1392 uschar *router_name = NULL;
1393 tree_node *router_var = NULL;
1395 ip_address_item *running_interfaces = NULL;
1397 /* This is a weird one. The following string gets patched in the binary by the
1398 script that sets up a copy of Exim for running in the test harness. It seems
1399 that compilers are now clever, and share constant strings if they can.
1400 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1401 make use of the end of this string in order to save space. So the patching then
1402 wrecks this. We defeat this optimization by adding some additional characters
1403 onto the end of the string. */
1405 uschar *running_status = US">>>running<<<" "\0EXTRA";
1409 uschar *search_error_message = NULL;
1410 uschar *self_hostname = NULL;
1411 uschar *sender_address = NULL;
1412 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1413 uschar *sender_address_data = NULL;
1414 uschar *sender_address_unrewritten = NULL;
1415 uschar *sender_data = NULL;
1416 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1417 uschar *sender_fullhost = NULL;
1418 uschar *sender_helo_name = NULL;
1419 uschar **sender_host_aliases = &no_aliases;
1420 uschar *sender_host_address = NULL;
1421 uschar *sender_host_authenticated = NULL;
1422 uschar *sender_host_auth_pubname = NULL;
1423 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1424 uschar *sender_host_name = NULL;
1425 int sender_host_port = 0;
1426 uschar *sender_ident = NULL;
1427 uschar *sender_rate = NULL;
1428 uschar *sender_rate_limit = NULL;
1429 uschar *sender_rate_period = NULL;
1430 uschar *sender_rcvhost = NULL;
1431 uschar *sender_unqualified_hosts = NULL;
1432 uschar *sender_verify_failure = NULL;
1433 address_item *sender_verified_list = NULL;
1434 address_item *sender_verified_failed = NULL;
1435 int sender_verified_rc = -1;
1436 uschar *sending_ip_address = NULL;
1437 int sending_port = -1;
1438 SIGNAL_BOOL sigalrm_seen = FALSE;
1439 const uschar *sigalarm_setter = NULL;
1440 uschar **sighup_argv = NULL;
1441 int slow_lookup_log = 0; /* millisecs, zero disables */
1442 int smtp_accept_count = 0;
1443 int smtp_accept_max = 20;
1444 int smtp_accept_max_nonmail= 10;
1445 uschar *smtp_accept_max_nonmail_hosts = US"*";
1446 int smtp_accept_max_per_connection = 1000;
1447 uschar *smtp_accept_max_per_host = NULL;
1448 int smtp_accept_queue = 0;
1449 int smtp_accept_queue_per_connection = 10;
1450 int smtp_accept_reserve = 0;
1451 uschar *smtp_active_hostname = NULL;
1452 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1453 "Exim $version_number $tod_full"
1454 "\0<---------------Space to patch smtp_banner->";
1455 int smtp_ch_index = 0;
1456 uschar *smtp_cmd_argument = NULL;
1457 uschar *smtp_cmd_buffer = NULL;
1458 struct timeval smtp_connection_start = {0,0};
1459 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1460 int smtp_connect_backlog = 20;
1461 double smtp_delay_mail = 0.0;
1462 double smtp_delay_rcpt = 0.0;
1463 FILE *smtp_in = NULL;
1464 int smtp_load_reserve = -1;
1465 int smtp_mailcmd_count = 0;
1466 FILE *smtp_out = NULL;
1467 uschar *smtp_etrn_command = NULL;
1468 int smtp_max_synprot_errors= 3;
1469 int smtp_max_unknown_commands = 3;
1470 uschar *smtp_notquit_reason = NULL;
1471 unsigned smtp_peer_options = 0;
1472 unsigned smtp_peer_options_wrap= 0;
1473 uschar *smtp_ratelimit_hosts = NULL;
1474 uschar *smtp_ratelimit_mail = NULL;
1475 uschar *smtp_ratelimit_rcpt = NULL;
1476 uschar *smtp_read_error = US"";
1477 int smtp_receive_timeout = 5*60;
1478 uschar *smtp_receive_timeout_s = NULL;
1479 uschar *smtp_reserve_hosts = NULL;
1480 int smtp_rlm_base = 0;
1481 double smtp_rlm_factor = 0.0;
1482 int smtp_rlm_limit = 0;
1483 int smtp_rlm_threshold = INT_MAX;
1484 int smtp_rlr_base = 0;
1485 double smtp_rlr_factor = 0.0;
1486 int smtp_rlr_limit = 0;
1487 int smtp_rlr_threshold = INT_MAX;
1489 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1492 #ifdef WITH_CONTENT_SCAN
1493 uschar *spamd_address = US"127.0.0.1 783";
1494 uschar *spam_bar = NULL;
1495 uschar *spam_report = NULL;
1496 uschar *spam_action = NULL;
1497 uschar *spam_score = NULL;
1498 uschar *spam_score_int = NULL;
1501 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1502 uschar *spf_header_comment = NULL;
1503 uschar *spf_received = NULL;
1504 uschar *spf_result = NULL;
1505 uschar *spf_smtp_comment = NULL;
1506 uschar *spf_smtp_comment_template
1507 /* Used to be: "Please%_see%_http://www.open-spf.org/Why?id=%{S}&ip=%{C}&receiver=%{R}" */
1508 = US"Please%_see%_http://www.open-spf.org/Why";
1512 FILE *spool_data_file = NULL;
1513 uschar *spool_directory = US SPOOL_DIRECTORY
1514 "\0<--------------Space to patch spool_directory->";
1515 #ifdef EXPERIMENTAL_SRS_ALT
1516 uschar *srs_config = NULL;
1517 uschar *srs_db_address = NULL;
1518 uschar *srs_db_key = NULL;
1519 int srs_hashlength = 6;
1520 int srs_hashmin = -1;
1521 int srs_maxage = 31;
1522 uschar *srs_orig_recipient = NULL;
1523 uschar *srs_orig_sender = NULL;
1524 uschar *srs_recipient = NULL;
1525 uschar *srs_secrets = NULL;
1526 uschar *srs_status = NULL;
1529 uschar *srs_recipient = NULL;
1531 int string_datestamp_offset= -1;
1532 int string_datestamp_length= 0;
1533 int string_datestamp_type = -1;
1534 const uschar *submission_domain = NULL;
1535 const uschar *submission_name = NULL;
1536 int syslog_facility = LOG_MAIL;
1537 uschar *syslog_processname = US"exim";
1538 uschar *system_filter = NULL;
1540 uschar *system_filter_directory_transport = NULL;
1541 uschar *system_filter_file_transport = NULL;
1542 uschar *system_filter_pipe_transport = NULL;
1543 uschar *system_filter_reply_transport = NULL;
1545 gid_t system_filter_gid = 0;
1546 uid_t system_filter_uid = (uid_t)-1;
1548 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1549 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1550 #ifdef USE_TCP_WRAPPERS
1551 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1553 int test_harness_load_avg = 0;
1554 int thismessage_size_limit = 0;
1555 int timeout_frozen_after = 0;
1556 #ifdef MEASURE_TIMING
1557 struct timeval timestamp_startup;
1560 transport_instance *transports = NULL;
1562 transport_instance transport_defaults = {
1566 .options_block = NULL,
1567 .driver_name = NULL,
1572 .current_dir = NULL,
1573 .expand_multi_domain = NULL,
1574 .multi_domain = TRUE,
1575 .overrides_hosts = FALSE,
1576 .max_addresses = 100,
1577 .connection_max_messages = 500,
1578 .deliver_as_creator = FALSE,
1579 .disable_logging = FALSE,
1580 .initgroups = FALSE,
1587 .warn_message = NULL,
1589 .shadow_condition = NULL,
1590 .filter_command = NULL,
1591 .add_headers = NULL,
1592 .remove_headers = NULL,
1593 .return_path = NULL,
1594 .debug_string = NULL,
1595 .max_parallel = NULL,
1596 .message_size_limit = NULL,
1597 .headers_rewrite = NULL,
1598 .rewrite_rules = NULL,
1599 .rewrite_existflags = 0,
1600 .filter_timeout = 300,
1602 .delivery_date_add = FALSE,
1603 .envelope_to_add = FALSE,
1604 .headers_only = FALSE,
1605 .rcpt_include_affixes = FALSE,
1606 .return_path_add = FALSE,
1607 .return_output = FALSE,
1608 .return_fail_output = FALSE,
1609 .log_output = FALSE,
1610 .log_fail_output = FALSE,
1611 .log_defer_output = FALSE,
1612 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1613 1 nor 0 so can detect unset */
1614 #ifndef DISABLE_EVENT
1615 .event_action = NULL
1619 int transport_count;
1620 uschar *transport_name = NULL;
1621 int transport_newlines;
1622 const uschar **transport_filter_argv = NULL;
1623 int transport_filter_timeout;
1624 int transport_write_timeout= 0;
1626 tree_node *tree_dns_fails = NULL;
1627 tree_node *tree_duplicates = NULL;
1628 tree_node *tree_nonrecipients = NULL;
1629 tree_node *tree_unusable = NULL;
1631 gid_t *trusted_groups = NULL;
1632 uid_t *trusted_users = NULL;
1633 uschar *timezone_string = US TIMEZONE_DEFAULT;
1635 uschar *unknown_login = NULL;
1636 uschar *unknown_username = NULL;
1637 uschar *untrusted_set_sender = NULL;
1639 /* A regex for matching a "From_" line in an incoming message, in the form
1641 From ph10 Fri Jan 5 12:35 GMT 1996
1643 which the "mail" commands send to the MTA (undocumented, of course), or in
1646 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1648 which is apparently used by some UUCPs, despite it not being in RFC 976.
1649 Because of variations in time formats, just match up to the minutes. That
1650 should be sufficient. Examples have been seen of time fields like 12:1:03,
1651 so just require one digit for hours and minutes. The weekday is also absent
1654 uschar *uucp_from_pattern = US
1655 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1656 "(?:" /* Non-extracting bracket */
1657 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1658 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1659 ")" /* End alternation */
1660 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1662 uschar *uucp_from_sender = US"$1";
1664 uschar *verify_mode = NULL;
1665 uschar *version_copyright =
1666 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1667 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2020";
1668 uschar *version_date = US"?";
1669 uschar *version_cnumber = US"????";
1670 uschar *version_string = US"?";
1672 uschar *warn_message_file = NULL;
1673 int warning_count = 0;
1674 uschar *warnmsg_delay = NULL;
1675 uschar *warnmsg_recipients = NULL;
1678 /* End of globals.c */