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Fix timestamp outputs for TAI timezone. Bug 2530
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 OPT_OFF(auth_instance, client_condition) },
20 { "client_set_id", opt_stringptr | opt_public,
21 OPT_OFF(auth_instance, set_client_id) },
22 { "driver", opt_stringptr | opt_public,
23 OPT_OFF(auth_instance, driver_name) },
24 { "public_name", opt_stringptr | opt_public,
25 OPT_OFF(auth_instance, public_name) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 OPT_OFF(auth_instance, advertise_condition)},
28 { "server_condition", opt_stringptr | opt_public,
29 OPT_OFF(auth_instance, server_condition) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 OPT_OFF(auth_instance, server_debug_string) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 OPT_OFF(auth_instance, mail_auth_condition) },
34 { "server_set_id", opt_stringptr | opt_public,
35 OPT_OFF(auth_instance, set_id) }
36 };
37
38 int optionlist_auths_size = nelem(optionlist_auths);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 BOOL opt_perl_taintmode = FALSE;
53 #endif
54
55 #ifdef EXPAND_DLFUNC
56 tree_node *dlobj_anchor = NULL;
57 #endif
58
59 #ifdef LOOKUP_IBASE
60 uschar *ibase_servers = NULL;
61 #endif
62
63 #ifdef LOOKUP_LDAP
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
73 #endif
74
75 #ifdef LOOKUP_MYSQL
76 uschar *mysql_servers = NULL;
77 #endif
78
79 #ifdef LOOKUP_ORACLE
80 uschar *oracle_servers = NULL;
81 #endif
82
83 #ifdef LOOKUP_PGSQL
84 uschar *pgsql_servers = NULL;
85 #endif
86
87 #ifdef LOOKUP_REDIS
88 uschar *redis_servers = NULL;
89 #endif
90
91 #ifdef LOOKUP_SQLITE
92 int sqlite_lock_timeout = 5;
93 #endif
94
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
97 #endif
98
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. Note that these are
102 only used for smtp connections, not for service-daemon access. */
103
104 tls_support tls_in = {
105 .active = {.sock = -1}
106 /* all other elements zero */
107 };
108 tls_support tls_out = {
109 .active = {.sock = -1},
110 /* all other elements zero */
111 };
112
113 uschar *dsn_envid = NULL;
114 int dsn_ret = 0;
115 const pcre *regex_DSN = NULL;
116 uschar *dsn_advertise_hosts = NULL;
117
118 #ifndef DISABLE_TLS
119 BOOL gnutls_compat_mode = FALSE;
120 BOOL gnutls_allow_auto_pkcs11 = FALSE;
121 uschar *openssl_options = NULL;
122 const pcre *regex_STARTTLS = NULL;
123 uschar *tls_advertise_hosts = US"*";
124 uschar *tls_certificate = NULL;
125 uschar *tls_crl = NULL;
126 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
127 that's the interop problem which has been observed: GnuTLS suggesting a higher
128 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
129 int tls_dh_max_bits = 2236;
130 uschar *tls_dhparam = NULL;
131 uschar *tls_eccurve = US"auto";
132 # ifndef DISABLE_OCSP
133 uschar *tls_ocsp_file = NULL;
134 # endif
135 uschar *tls_privatekey = NULL;
136 BOOL tls_remember_esmtp = FALSE;
137 uschar *tls_require_ciphers = NULL;
138 # ifdef EXPERIMENTAL_TLS_RESUME
139 uschar *tls_resumption_hosts = NULL;
140 # endif
141 uschar *tls_try_verify_hosts = NULL;
142 uschar *tls_verify_certificates= US"system";
143 uschar *tls_verify_hosts = NULL;
144 #else /*DISABLE_TLS*/
145 uschar *tls_advertise_hosts = NULL;
146 #endif
147
148 #ifndef DISABLE_PRDR
149 /* Per Recipient Data Response variables */
150 BOOL prdr_enable = FALSE;
151 BOOL prdr_requested = FALSE;
152 const pcre *regex_PRDR = NULL;
153 #endif
154
155 #ifdef SUPPORT_I18N
156 const pcre *regex_UTF8 = NULL;
157 #endif
158
159 /* Input-reading functions for messages, so we can use special ones for
160 incoming TCP/IP. The defaults use stdin. We never need these for any
161 stand-alone tests. */
162
163 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
164 int (*lwr_receive_getc)(unsigned) = stdin_getc;
165 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
166 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
167 int (*receive_getc)(unsigned) = stdin_getc;
168 uschar * (*receive_getbuf)(unsigned *) = NULL;
169 void (*receive_get_cache)(void)= NULL;
170 int (*receive_ungetc)(int) = stdin_ungetc;
171 int (*receive_feof)(void) = stdin_feof;
172 int (*receive_ferror)(void) = stdin_ferror;
173 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
174 #endif
175
176
177 /* List of per-address expansion variables for clearing and saving/restoring
178 when verifying one address while routing/verifying another. We have to have
179 the size explicit, because it is referenced from more than one module. */
180
181 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
182 CUSS &deliver_address_data,
183 CUSS &deliver_domain,
184 CUSS &deliver_domain_data,
185 CUSS &deliver_domain_orig,
186 CUSS &deliver_domain_parent,
187 CUSS &deliver_localpart,
188 CUSS &deliver_localpart_data,
189 CUSS &deliver_localpart_orig,
190 CUSS &deliver_localpart_parent,
191 CUSS &deliver_localpart_prefix,
192 CUSS &deliver_localpart_suffix,
193 CUSS (uschar **)(&deliver_recipients),
194 CUSS &deliver_host,
195 CUSS &deliver_home,
196 CUSS &address_file,
197 CUSS &address_pipe,
198 CUSS &self_hostname,
199 NULL };
200
201 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
202
203 /******************************************************************************/
204 /* General global variables. Boolean flags are done as a group
205 so that only one bit each is needed, packed, for all those we never
206 need to take a pointer - and only a char for the rest.
207 This means a struct, unfortunately since it clutters the sourcecode. */
208
209 struct global_flags f =
210 {
211 .acl_temp_details = FALSE,
212 .active_local_from_check = FALSE,
213 .active_local_sender_retain = FALSE,
214 .address_test_mode = FALSE,
215 .admin_user = FALSE,
216 .allow_auth_unadvertised= FALSE,
217 .allow_unqualified_recipient = TRUE, /* For local messages */
218 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
219 .authentication_local = FALSE,
220
221 .background_daemon = TRUE,
222
223 .chunking_offered = FALSE,
224 .config_changed = FALSE,
225 .continue_more = FALSE,
226
227 .daemon_listen = FALSE,
228 .debug_daemon = FALSE,
229 .deliver_firsttime = FALSE,
230 .deliver_force = FALSE,
231 .deliver_freeze = FALSE,
232 .deliver_force_thaw = FALSE,
233 .deliver_manual_thaw = FALSE,
234 .deliver_selectstring_regex = FALSE,
235 .deliver_selectstring_sender_regex = FALSE,
236 .disable_callout_flush = FALSE,
237 .disable_delay_flush = FALSE,
238 .disable_logging = FALSE,
239 #ifndef DISABLE_DKIM
240 .dkim_disable_verify = FALSE,
241 .dkim_init_done = FALSE,
242 #endif
243 #ifdef SUPPORT_DMARC
244 .dmarc_has_been_checked = FALSE,
245 .dmarc_disable_verify = FALSE,
246 .dmarc_enable_forensic = FALSE,
247 #endif
248 .dont_deliver = FALSE,
249 .dot_ends = TRUE,
250
251 .enable_dollar_recipients = FALSE,
252 .expand_string_forcedfail = FALSE,
253
254 .filter_running = FALSE,
255
256 .header_rewritten = FALSE,
257 .helo_verified = FALSE,
258 .helo_verify_failed = FALSE,
259 .host_checking_callout = FALSE,
260 .host_find_failed_syntax= FALSE,
261
262 .inetd_wait_mode = FALSE,
263 .is_inetd = FALSE,
264
265 .local_error_message = FALSE,
266 .log_testing_mode = FALSE,
267
268 #ifdef WITH_CONTENT_SCAN
269 .no_mbox_unspool = FALSE,
270 #endif
271 .no_multiline_responses = FALSE,
272
273 .parse_allow_group = FALSE,
274 .parse_found_group = FALSE,
275 .pipelining_enable = TRUE,
276 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
277 .proxy_session_failed = FALSE,
278 #endif
279
280 .queue_2stage = FALSE,
281 .queue_only_policy = FALSE,
282 .queue_run_first_delivery = FALSE,
283 .queue_run_force = FALSE,
284 .queue_run_local = FALSE,
285 .queue_running = FALSE,
286 .queue_smtp = FALSE,
287
288 .really_exim = TRUE,
289 .receive_call_bombout = FALSE,
290 .recipients_discarded = FALSE,
291 .running_in_test_harness = FALSE,
292
293 .search_find_defer = FALSE,
294 .sender_address_forced = FALSE,
295 .sender_host_notsocket = FALSE,
296 .sender_host_unknown = FALSE,
297 .sender_local = FALSE,
298 .sender_name_forced = FALSE,
299 .sender_set_untrusted = FALSE,
300 .smtp_authenticated = FALSE,
301 #ifndef DISABLE_PIPE_CONNECT
302 .smtp_in_early_pipe_advertised = FALSE,
303 .smtp_in_early_pipe_no_auth = FALSE,
304 .smtp_in_early_pipe_used = FALSE,
305 #endif
306 .smtp_in_pipelining_advertised = FALSE,
307 .smtp_in_pipelining_used = FALSE,
308 .spool_file_wireformat = FALSE,
309 .submission_mode = FALSE,
310 .suppress_local_fixups = FALSE,
311 .suppress_local_fixups_default = FALSE,
312 .synchronous_delivery = FALSE,
313 .system_filtering = FALSE,
314
315 .taint_check_slow = FALSE,
316 .testsuite_delays = TRUE,
317 .tcp_fastopen_ok = FALSE,
318 .tcp_in_fastopen = FALSE,
319 .tcp_in_fastopen_data = FALSE,
320 .tcp_in_fastopen_logged = FALSE,
321 .tcp_out_fastopen_logged= FALSE,
322 .timestamps_utc = FALSE,
323 .transport_filter_timed_out = FALSE,
324 .trusted_caller = FALSE,
325 .trusted_config = TRUE,
326 };
327
328 /******************************************************************************/
329 /* These are the flags which are either variables or mainsection options,
330 so an address is needed for access, or are exported to local_scan. */
331
332 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
333 BOOL allow_domain_literals = FALSE;
334 BOOL allow_mx_to_ip = FALSE;
335 BOOL allow_utf8_domains = FALSE;
336 BOOL authentication_failed = FALSE;
337
338 BOOL bounce_return_body = TRUE;
339 BOOL bounce_return_message = TRUE;
340 BOOL check_rfc2047_length = TRUE;
341 BOOL commandline_checks_require_admin = FALSE;
342
343 #ifdef EXPERIMENTAL_DCC
344 BOOL dcc_direct_add_header = FALSE;
345 #endif
346 BOOL debug_store = FALSE;
347 BOOL delivery_date_remove = TRUE;
348 BOOL deliver_drop_privilege = FALSE;
349 #ifdef ENABLE_DISABLE_FSYNC
350 BOOL disable_fsync = FALSE;
351 #endif
352 BOOL disable_ipv6 = FALSE;
353 BOOL dns_csa_use_reverse = TRUE;
354 BOOL drop_cr = FALSE; /* No longer used */
355
356 BOOL envelope_to_remove = TRUE;
357 BOOL exim_gid_set = TRUE; /* This gid is always set */
358 BOOL exim_uid_set = TRUE; /* This uid is always set */
359 BOOL extract_addresses_remove_arguments = TRUE;
360
361 BOOL host_checking = FALSE;
362 BOOL host_lookup_deferred = FALSE;
363 BOOL host_lookup_failed = FALSE;
364 BOOL ignore_fromline_local = FALSE;
365
366 BOOL local_from_check = TRUE;
367 BOOL local_sender_retain = FALSE;
368 BOOL log_timezone = FALSE;
369 BOOL message_body_newlines = FALSE;
370 BOOL message_logs = TRUE;
371 #ifdef SUPPORT_I18N
372 BOOL message_smtputf8 = FALSE;
373 #endif
374 BOOL mua_wrapper = FALSE;
375
376 BOOL preserve_message_logs = FALSE;
377 BOOL print_topbitchars = FALSE;
378 BOOL prod_requires_admin = TRUE;
379 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
380 BOOL proxy_session = FALSE;
381 #endif
382
383 #ifdef EXPERIMENTAL_QUEUE_RAMP
384 BOOL queue_fast_ramp = FALSE;
385 #endif
386 BOOL queue_list_requires_admin = TRUE;
387 BOOL queue_only = FALSE;
388 BOOL queue_only_load_latch = TRUE;
389 BOOL queue_only_override = TRUE;
390 BOOL queue_run_in_order = FALSE;
391 BOOL recipients_max_reject = FALSE;
392 BOOL return_path_remove = TRUE;
393
394 BOOL smtp_batched_input = FALSE;
395 BOOL sender_helo_dnssec = FALSE;
396 BOOL sender_host_dnssec = FALSE;
397 BOOL smtp_accept_keepalive = TRUE;
398 BOOL smtp_check_spool_space = TRUE;
399 BOOL smtp_enforce_sync = TRUE;
400 BOOL smtp_etrn_serialize = TRUE;
401 BOOL smtp_input = FALSE;
402 BOOL smtp_return_error_details = FALSE;
403 #ifdef SUPPORT_SPF
404 BOOL spf_result_guessed = FALSE;
405 #endif
406 BOOL split_spool_directory = FALSE;
407 BOOL spool_wireformat = FALSE;
408 #ifdef EXPERIMENTAL_SRS
409 BOOL srs_usehash = TRUE;
410 BOOL srs_usetimestamp = TRUE;
411 #endif
412 BOOL strict_acl_vars = FALSE;
413 BOOL strip_excess_angle_brackets = FALSE;
414 BOOL strip_trailing_dot = FALSE;
415 BOOL syslog_duplication = TRUE;
416 BOOL syslog_pid = TRUE;
417 BOOL syslog_timestamp = TRUE;
418 BOOL system_filter_gid_set = FALSE;
419 BOOL system_filter_uid_set = FALSE;
420
421 BOOL tcp_nodelay = TRUE;
422 BOOL write_rejectlog = TRUE;
423
424 /******************************************************************************/
425
426 header_line *acl_added_headers = NULL;
427 tree_node *acl_anchor = NULL;
428 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
429 NULL, NULL, NULL, NULL};
430 int acl_narg = 0;
431
432 int acl_level = 0;
433
434 uschar *acl_not_smtp = NULL;
435 #ifdef WITH_CONTENT_SCAN
436 uschar *acl_not_smtp_mime = NULL;
437 #endif
438 uschar *acl_not_smtp_start = NULL;
439 uschar *acl_removed_headers = NULL;
440 uschar *acl_smtp_auth = NULL;
441 uschar *acl_smtp_connect = NULL;
442 uschar *acl_smtp_data = NULL;
443 #ifndef DISABLE_PRDR
444 uschar *acl_smtp_data_prdr = US"accept";
445 #endif
446 #ifndef DISABLE_DKIM
447 uschar *acl_smtp_dkim = NULL;
448 #endif
449 uschar *acl_smtp_etrn = NULL;
450 uschar *acl_smtp_expn = NULL;
451 uschar *acl_smtp_helo = NULL;
452 uschar *acl_smtp_mail = NULL;
453 uschar *acl_smtp_mailauth = NULL;
454 #ifdef WITH_CONTENT_SCAN
455 uschar *acl_smtp_mime = NULL;
456 #endif
457 uschar *acl_smtp_notquit = NULL;
458 uschar *acl_smtp_predata = NULL;
459 uschar *acl_smtp_quit = NULL;
460 uschar *acl_smtp_rcpt = NULL;
461 uschar *acl_smtp_starttls = NULL;
462 uschar *acl_smtp_vrfy = NULL;
463
464 tree_node *acl_var_c = NULL;
465 tree_node *acl_var_m = NULL;
466 uschar *acl_verify_message = NULL;
467 string_item *acl_warn_logged = NULL;
468
469 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
470 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
471
472 uschar *acl_wherenames[] = { US"RCPT",
473 US"MAIL",
474 US"PREDATA",
475 US"MIME",
476 US"DKIM",
477 US"DATA",
478 #ifndef DISABLE_PRDR
479 US"PRDR",
480 #endif
481 US"non-SMTP",
482 US"AUTH",
483 US"connection",
484 US"ETRN",
485 US"EXPN",
486 US"EHLO or HELO",
487 US"MAILAUTH",
488 US"non-SMTP-start",
489 US"NOTQUIT",
490 US"QUIT",
491 US"STARTTLS",
492 US"VRFY",
493 US"delivery",
494 US"unknown"
495 };
496
497 uschar *acl_wherecodes[] = { US"550", /* RCPT */
498 US"550", /* MAIL */
499 US"550", /* PREDATA */
500 US"550", /* MIME */
501 US"550", /* DKIM */
502 US"550", /* DATA */
503 #ifndef DISABLE_PRDR
504 US"550", /* RCPT PRDR */
505 #endif
506 US"0", /* not SMTP; not relevant */
507 US"503", /* AUTH */
508 US"550", /* connect */
509 US"458", /* ETRN */
510 US"550", /* EXPN */
511 US"550", /* HELO/EHLO */
512 US"0", /* MAILAUTH; not relevant */
513 US"0", /* not SMTP; not relevant */
514 US"0", /* NOTQUIT; not relevant */
515 US"0", /* QUIT; not relevant */
516 US"550", /* STARTTLS */
517 US"252", /* VRFY */
518 US"0", /* delivery; not relevant */
519 US"0" /* unknown; not relevant */
520 };
521
522 uschar *add_environment = NULL;
523 address_item *addr_duplicate = NULL;
524
525 address_item address_defaults = {
526 .next = NULL,
527 .parent = NULL,
528 .first = NULL,
529 .dupof = NULL,
530 .start_router = NULL,
531 .router = NULL,
532 .transport = NULL,
533 .host_list = NULL,
534 .host_used = NULL,
535 .fallback_hosts = NULL,
536 .reply = NULL,
537 .retries = NULL,
538 .address = NULL,
539 .unique = NULL,
540 .cc_local_part = NULL,
541 .lc_local_part = NULL,
542 .local_part = NULL,
543 .prefix = NULL,
544 .suffix = NULL,
545 .domain = NULL,
546 .address_retry_key = NULL,
547 .domain_retry_key = NULL,
548 .current_dir = NULL,
549 .home_dir = NULL,
550 .message = NULL,
551 .user_message = NULL,
552 .onetime_parent = NULL,
553 .pipe_expandn = NULL,
554 .return_filename = NULL,
555 .self_hostname = NULL,
556 .shadow_message = NULL,
557 #ifndef DISABLE_TLS
558 .cipher = NULL,
559 .ourcert = NULL,
560 .peercert = NULL,
561 .peerdn = NULL,
562 .ocsp = OCSP_NOT_REQ,
563 #endif
564 #ifdef EXPERIMENTAL_DSN_INFO
565 .smtp_greeting = NULL,
566 .helo_response = NULL,
567 #endif
568 .authenticator = NULL,
569 .auth_id = NULL,
570 .auth_sndr = NULL,
571 .dsn_orcpt = NULL,
572 .dsn_flags = 0,
573 .dsn_aware = 0,
574 .uid = (uid_t)(-1),
575 .gid = (gid_t)(-1),
576 .flags = { 0 },
577 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
578 .localpart_cache = { 0 }, /* localpart_cache - ditto */
579 .mode = -1,
580 .more_errno = 0,
581 .delivery_time = {.tv_sec = 0, .tv_usec = 0},
582 .basic_errno = ERRNO_UNKNOWNERROR,
583 .child_count = 0,
584 .return_file = -1,
585 .special_action = SPECIAL_NONE,
586 .transport_return = DEFER,
587 .prop = { /* fields that are propagated to children */
588 .address_data = NULL,
589 .domain_data = NULL,
590 .localpart_data = NULL,
591 .errors_address = NULL,
592 .extra_headers = NULL,
593 .remove_headers = NULL,
594 .variables = NULL,
595 #ifdef EXPERIMENTAL_SRS
596 .srs_sender = NULL,
597 #endif
598 .ignore_error = FALSE,
599 #ifdef SUPPORT_I18N
600 .utf8_msg = FALSE,
601 .utf8_downcvt = FALSE,
602 .utf8_downcvt_maybe = FALSE
603 #endif
604 }
605 };
606
607 uschar *address_file = NULL;
608 uschar *address_pipe = NULL;
609 tree_node *addresslist_anchor = NULL;
610 int addresslist_count = 0;
611 gid_t *admin_groups = NULL;
612
613 #ifdef EXPERIMENTAL_ARC
614 struct arc_set *arc_received = NULL;
615 int arc_received_instance = 0;
616 int arc_oldest_pass = 0;
617 const uschar *arc_state = NULL;
618 const uschar *arc_state_reason = NULL;
619 #endif
620
621 uschar *authenticated_fail_id = NULL;
622 uschar *authenticated_id = NULL;
623 uschar *authenticated_sender = NULL;
624 auth_instance *auths = NULL;
625 uschar *auth_advertise_hosts = US"*";
626 auth_instance auth_defaults = {
627 .next = NULL,
628 .name = NULL,
629 .info = NULL,
630 .options_block = NULL,
631 .driver_name = NULL,
632 .advertise_condition = NULL,
633 .client_condition = NULL,
634 .public_name = NULL,
635 .set_id = NULL,
636 .set_client_id = NULL,
637 .mail_auth_condition = NULL,
638 .server_debug_string = NULL,
639 .server_condition = NULL,
640 .client = FALSE,
641 .server = FALSE,
642 .advertised = FALSE
643 };
644
645 uschar *auth_defer_msg = US"reason not recorded";
646 uschar *auth_defer_user_msg = US"";
647 uschar *auth_vars[AUTH_VARS];
648 int auto_thaw = 0;
649 #ifdef WITH_CONTENT_SCAN
650 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
651 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
652 #endif
653
654 #if BASE_62 == 62
655 uschar *base62_chars=
656 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
657 #else
658 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
659 #endif
660
661 uschar *bi_command = NULL;
662 uschar *big_buffer = NULL;
663 int big_buffer_size = BIG_BUFFER_SIZE;
664 #ifdef EXPERIMENTAL_BRIGHTMAIL
665 uschar *bmi_alt_location = NULL;
666 uschar *bmi_base64_tracker_verdict = NULL;
667 uschar *bmi_base64_verdict = NULL;
668 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
669 int bmi_deliver = 1;
670 int bmi_run = 0;
671 uschar *bmi_verdicts = NULL;
672 #endif
673 int bsmtp_transaction_linecount = 0;
674 int body_8bitmime = 0;
675 int body_linecount = 0;
676 int body_zerocount = 0;
677 uschar *bounce_message_file = NULL;
678 uschar *bounce_message_text = NULL;
679 uschar *bounce_recipient = NULL;
680 int bounce_return_linesize_limit = 998;
681 int bounce_return_size_limit = 100*1024;
682 uschar *bounce_sender_authentication = NULL;
683
684 uschar *callout_address = NULL;
685 int callout_cache_domain_positive_expire = 7*24*60*60;
686 int callout_cache_domain_negative_expire = 3*60*60;
687 int callout_cache_positive_expire = 24*60*60;
688 int callout_cache_negative_expire = 2*60*60;
689 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
690 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
691 int check_log_inodes = 100;
692 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
693 int check_spool_inodes = 100;
694 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
695
696 uschar *chunking_advertise_hosts = US"*";
697 unsigned chunking_datasize = 0;
698 unsigned chunking_data_left = 0;
699 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
700 const pcre *regex_CHUNKING = NULL;
701
702 uschar *client_authenticator = NULL;
703 uschar *client_authenticated_id = NULL;
704 uschar *client_authenticated_sender = NULL;
705 int clmacro_count = 0;
706 uschar *clmacros[MAX_CLMACROS];
707 FILE *config_file = NULL;
708 const uschar *config_filename = NULL;
709 int config_lineno = 0;
710 #ifdef CONFIGURE_GROUP
711 gid_t config_gid = CONFIGURE_GROUP;
712 #else
713 gid_t config_gid = 0;
714 #endif
715 uschar *config_main_filelist = US CONFIGURE_FILE
716 "\0<-----------Space to patch configure_filename->";
717 uschar *config_main_filename = NULL;
718 uschar *config_main_directory = NULL;
719
720 #ifdef CONFIGURE_OWNER
721 uid_t config_uid = CONFIGURE_OWNER;
722 #else
723 uid_t config_uid = 0;
724 #endif
725
726 int connection_max_messages= -1;
727 uschar *continue_proxy_cipher = NULL;
728 uschar *continue_hostname = NULL;
729 uschar *continue_host_address = NULL;
730 int continue_sequence = 1;
731 uschar *continue_transport = NULL;
732
733 uschar *csa_status = NULL;
734 cut_t cutthrough = {
735 .callout_hold_only = FALSE, /* verify-only: normal delivery */
736 .delivery = FALSE, /* when to attempt */
737 .defer_pass = FALSE, /* on defer: spool locally */
738 .is_tls = FALSE, /* not a TLS conn yet */
739 .cctx = {.sock = -1}, /* open connection */
740 .nrcpt = 0, /* number of addresses */
741 };
742
743 int daemon_notifier_fd = -1;
744 uschar *daemon_smtp_port = US"smtp";
745 int daemon_startup_retries = 9;
746 int daemon_startup_sleep = 30;
747
748 #ifdef EXPERIMENTAL_DCC
749 uschar *dcc_header = NULL;
750 uschar *dcc_result = NULL;
751 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
752 uschar *dccifd_options = US"header";
753 #endif
754
755 int debug_fd = -1;
756 FILE *debug_file = NULL;
757 int debug_notall[] = {
758 Di_memory,
759 Di_noutf8,
760 -1
761 };
762 bit_table debug_options[] = { /* must be in alphabetical order and use
763 only the enum values from macro.h */
764 BIT_TABLE(D, acl),
765 BIT_TABLE(D, all),
766 BIT_TABLE(D, auth),
767 BIT_TABLE(D, deliver),
768 BIT_TABLE(D, dns),
769 BIT_TABLE(D, dnsbl),
770 BIT_TABLE(D, exec),
771 BIT_TABLE(D, expand),
772 BIT_TABLE(D, filter),
773 BIT_TABLE(D, hints_lookup),
774 BIT_TABLE(D, host_lookup),
775 BIT_TABLE(D, ident),
776 BIT_TABLE(D, interface),
777 BIT_TABLE(D, lists),
778 BIT_TABLE(D, load),
779 BIT_TABLE(D, local_scan),
780 BIT_TABLE(D, lookup),
781 BIT_TABLE(D, memory),
782 BIT_TABLE(D, noutf8),
783 BIT_TABLE(D, pid),
784 BIT_TABLE(D, process_info),
785 BIT_TABLE(D, queue_run),
786 BIT_TABLE(D, receive),
787 BIT_TABLE(D, resolver),
788 BIT_TABLE(D, retry),
789 BIT_TABLE(D, rewrite),
790 BIT_TABLE(D, route),
791 BIT_TABLE(D, timestamp),
792 BIT_TABLE(D, tls),
793 BIT_TABLE(D, transport),
794 BIT_TABLE(D, uid),
795 BIT_TABLE(D, verify),
796 };
797 int debug_options_count = nelem(debug_options);
798
799 unsigned int debug_selector = 0;
800 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
801 uschar *delay_warning_condition=
802 US"${if or {"
803 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
804 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
805 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
806 "} {no}{yes}}";
807 uschar *deliver_address_data = NULL;
808 int deliver_datafile = -1;
809 const uschar *deliver_domain = NULL;
810 uschar *deliver_domain_data = NULL;
811 const uschar *deliver_domain_orig = NULL;
812 const uschar *deliver_domain_parent = NULL;
813 time_t deliver_frozen_at = 0;
814 uschar *deliver_home = NULL;
815 const uschar *deliver_host = NULL;
816 const uschar *deliver_host_address = NULL;
817 int deliver_host_port = 0;
818 uschar *deliver_in_buffer = NULL;
819 ino_t deliver_inode = 0;
820 uschar *deliver_localpart = NULL;
821 uschar *deliver_localpart_data = NULL;
822 uschar *deliver_localpart_orig = NULL;
823 uschar *deliver_localpart_parent = NULL;
824 uschar *deliver_localpart_prefix = NULL;
825 uschar *deliver_localpart_suffix = NULL;
826 uschar *deliver_localpart_verified = NULL;
827 uschar *deliver_out_buffer = NULL;
828 int deliver_queue_load_max = -1;
829 address_item *deliver_recipients = NULL;
830 uschar *deliver_selectstring = NULL;
831 uschar *deliver_selectstring_sender = NULL;
832
833 #ifndef DISABLE_DKIM
834 unsigned dkim_collect_input = 0;
835 uschar *dkim_cur_signer = NULL;
836 int dkim_key_length = 0;
837 void *dkim_signatures = NULL;
838 uschar *dkim_signers = NULL;
839 uschar *dkim_signing_domain = NULL;
840 uschar *dkim_signing_selector = NULL;
841 uschar *dkim_verify_hashes = US"sha256:sha512";
842 uschar *dkim_verify_keytypes = US"ed25519:rsa";
843 BOOL dkim_verify_minimal = FALSE;
844 uschar *dkim_verify_overall = NULL;
845 uschar *dkim_verify_signers = US"$dkim_signers";
846 uschar *dkim_verify_status = NULL;
847 uschar *dkim_verify_reason = NULL;
848 #endif
849 #ifdef SUPPORT_DMARC
850 uschar *dmarc_domain_policy = NULL;
851 uschar *dmarc_forensic_sender = NULL;
852 uschar *dmarc_history_file = NULL;
853 uschar *dmarc_status = NULL;
854 uschar *dmarc_status_text = NULL;
855 uschar *dmarc_tld_file = NULL;
856 uschar *dmarc_used_domain = NULL;
857 #endif
858
859 uschar *dns_again_means_nonexist = NULL;
860 int dns_csa_search_limit = 5;
861 int dns_cname_loops = 1;
862 #ifdef SUPPORT_DANE
863 int dns_dane_ok = -1;
864 #endif
865 uschar *dns_ipv4_lookup = NULL;
866 int dns_retrans = 0;
867 int dns_retry = 0;
868 int dns_dnssec_ok = -1; /* <0 = not coerced */
869 uschar *dns_trust_aa = NULL;
870 int dns_use_edns0 = -1; /* <0 = not coerced */
871 uschar *dnslist_domain = NULL;
872 uschar *dnslist_matched = NULL;
873 uschar *dnslist_text = NULL;
874 uschar *dnslist_value = NULL;
875 tree_node *domainlist_anchor = NULL;
876 int domainlist_count = 0;
877 uschar *dsn_from = US DEFAULT_DSN_FROM;
878
879 int errno_quota = ERRNO_QUOTA;
880 uschar *errors_copy = NULL;
881 int error_handling = ERRORS_SENDER;
882 uschar *errors_reply_to = NULL;
883 int errors_sender_rc = EXIT_FAILURE;
884 #ifndef DISABLE_EVENT
885 uschar *event_action = NULL; /* expansion for delivery events */
886 uschar *event_data = NULL; /* auxiliary data variable for event */
887 int event_defer_errno = 0;
888 const uschar *event_name = NULL; /* event name variable */
889 #endif
890
891
892 gid_t exim_gid = EXIM_GID;
893 uschar *exim_path = US BIN_DIRECTORY "/exim"
894 "\0<---------------Space to patch exim_path->";
895 uid_t exim_uid = EXIM_UID;
896 int expand_level = 0; /* Nesting depth, indent for debug */
897 int expand_forbid = 0;
898 int expand_nlength[EXPAND_MAXN+1];
899 int expand_nmax = -1;
900 uschar *expand_nstring[EXPAND_MAXN+1];
901 uschar *expand_string_message;
902 uschar *extra_local_interfaces = NULL;
903
904 int fake_response = OK;
905 uschar *fake_response_text = US"Your message has been rejected but is "
906 "being kept for evaluation.\nIf it was a "
907 "legitimate message, it may still be "
908 "delivered to the target recipient(s).";
909 int filter_n[FILTER_VARIABLE_COUNT];
910 int filter_sn[FILTER_VARIABLE_COUNT];
911 int filter_test = FTEST_NONE;
912 uschar *filter_test_sfile = NULL;
913 uschar *filter_test_ufile = NULL;
914 uschar *filter_thisaddress = NULL;
915 int finduser_retries = 0;
916 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
917 uschar *freeze_tell = NULL;
918 uschar *freeze_tell_config = NULL;
919 uschar *fudged_queue_times = US"";
920
921 uschar *gecos_name = NULL;
922 uschar *gecos_pattern = NULL;
923 rewrite_rule *global_rewrite_rules = NULL;
924
925 volatile sig_atomic_t had_command_timeout = 0;
926 volatile sig_atomic_t had_command_sigterm = 0;
927 volatile sig_atomic_t had_data_timeout = 0;
928 volatile sig_atomic_t had_data_sigint = 0;
929 uschar *headers_charset = US HEADERS_CHARSET;
930 int header_insert_maxlen = 64 * 1024;
931 header_line *header_last = NULL;
932 header_line *header_list = NULL;
933 int header_maxsize = HEADER_MAXSIZE;
934 int header_line_maxsize = 0;
935
936 header_name header_names[] = {
937 /* name len allow_resent htype */
938 { US"bcc", 3, TRUE, htype_bcc },
939 { US"cc", 2, TRUE, htype_cc },
940 { US"date", 4, TRUE, htype_date },
941 { US"delivery-date", 13, FALSE, htype_delivery_date },
942 { US"envelope-to", 11, FALSE, htype_envelope_to },
943 { US"from", 4, TRUE, htype_from },
944 { US"message-id", 10, TRUE, htype_id },
945 { US"received", 8, FALSE, htype_received },
946 { US"reply-to", 8, FALSE, htype_reply_to },
947 { US"return-path", 11, FALSE, htype_return_path },
948 { US"sender", 6, TRUE, htype_sender },
949 { US"subject", 7, FALSE, htype_subject },
950 { US"to", 2, TRUE, htype_to }
951 };
952
953 int header_names_size = nelem(header_names);
954
955 uschar *helo_accept_junk_hosts = NULL;
956 uschar *helo_allow_chars = US"";
957 uschar *helo_lookup_domains = US"@ : @[]";
958 uschar *helo_try_verify_hosts = NULL;
959 uschar *helo_verify_hosts = NULL;
960 const uschar *hex_digits = CUS"0123456789abcdef";
961 uschar *hold_domains = NULL;
962 uschar *host_data = NULL;
963 uschar *host_lookup = NULL;
964 uschar *host_lookup_order = US"bydns:byaddr";
965 uschar *host_lookup_msg = US"";
966 int host_number = 0;
967 uschar *host_number_string = NULL;
968 uschar *host_reject_connection = NULL;
969 tree_node *hostlist_anchor = NULL;
970 int hostlist_count = 0;
971 uschar *hosts_treat_as_local = NULL;
972 uschar *hosts_connection_nolog = NULL;
973
974 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
975 uschar *ignore_fromline_hosts = NULL;
976 int inetd_wait_timeout = -1;
977 uschar *initial_cwd = NULL;
978 uschar *interface_address = NULL;
979 int interface_port = -1;
980 uschar *iterate_item = NULL;
981
982 int journal_fd = -1;
983
984 uschar *keep_environment = NULL;
985
986 int keep_malformed = 4*24*60*60; /* 4 days */
987
988 uschar *eldap_dn = NULL;
989 int load_average = -2;
990 uschar *local_from_prefix = NULL;
991 uschar *local_from_suffix = NULL;
992
993 #if HAVE_IPV6
994 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
995 #else
996 uschar *local_interfaces = US"0.0.0.0";
997 #endif
998
999 #ifdef HAVE_LOCAL_SCAN
1000 uschar *local_scan_data = NULL;
1001 int local_scan_timeout = 5*60;
1002 #endif
1003 gid_t local_user_gid = (gid_t)(-1);
1004 uid_t local_user_uid = (uid_t)(-1);
1005
1006 tree_node *localpartlist_anchor= NULL;
1007 int localpartlist_count = 0;
1008 uschar *log_buffer = NULL;
1009
1010 int log_default[] = { /* for initializing log_selector */
1011 Li_acl_warn_skipped,
1012 Li_connection_reject,
1013 Li_delay_delivery,
1014 Li_dkim,
1015 Li_dnslist_defer,
1016 Li_etrn,
1017 Li_host_lookup_failed,
1018 Li_lost_incoming_connection,
1019 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1020 Li_msg_id,
1021 Li_queue_run,
1022 Li_rejected_header,
1023 Li_retry_defer,
1024 Li_sender_verify_fail,
1025 Li_size_reject,
1026 Li_skip_delivery,
1027 Li_smtp_confirmation,
1028 Li_tls_certificate_verified,
1029 Li_tls_cipher,
1030 -1
1031 };
1032
1033 uschar *log_file_path = US LOG_FILE_PATH
1034 "\0<--------------Space to patch log_file_path->";
1035
1036 int log_notall[] = {
1037 -1
1038 };
1039 bit_table log_options[] = { /* must be in alphabetical order,
1040 with definitions from enum logbit. */
1041 BIT_TABLE(L, 8bitmime),
1042 BIT_TABLE(L, acl_warn_skipped),
1043 BIT_TABLE(L, address_rewrite),
1044 BIT_TABLE(L, all),
1045 BIT_TABLE(L, all_parents),
1046 BIT_TABLE(L, arguments),
1047 BIT_TABLE(L, connection_reject),
1048 BIT_TABLE(L, delay_delivery),
1049 BIT_TABLE(L, deliver_time),
1050 BIT_TABLE(L, delivery_size),
1051 #ifndef DISABLE_DKIM
1052 BIT_TABLE(L, dkim),
1053 BIT_TABLE(L, dkim_verbose),
1054 #endif
1055 BIT_TABLE(L, dnslist_defer),
1056 BIT_TABLE(L, dnssec),
1057 BIT_TABLE(L, etrn),
1058 BIT_TABLE(L, host_lookup_failed),
1059 BIT_TABLE(L, ident_timeout),
1060 BIT_TABLE(L, incoming_interface),
1061 BIT_TABLE(L, incoming_port),
1062 BIT_TABLE(L, lost_incoming_connection),
1063 BIT_TABLE(L, millisec),
1064 BIT_TABLE(L, msg_id),
1065 BIT_TABLE(L, msg_id_created),
1066 BIT_TABLE(L, outgoing_interface),
1067 BIT_TABLE(L, outgoing_port),
1068 BIT_TABLE(L, pid),
1069 BIT_TABLE(L, pipelining),
1070 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1071 BIT_TABLE(L, proxy),
1072 #endif
1073 BIT_TABLE(L, queue_run),
1074 BIT_TABLE(L, queue_time),
1075 BIT_TABLE(L, queue_time_overall),
1076 BIT_TABLE(L, receive_time),
1077 BIT_TABLE(L, received_recipients),
1078 BIT_TABLE(L, received_sender),
1079 BIT_TABLE(L, rejected_header),
1080 { US"rejected_headers", Li_rejected_header },
1081 BIT_TABLE(L, retry_defer),
1082 BIT_TABLE(L, return_path_on_delivery),
1083 BIT_TABLE(L, sender_on_delivery),
1084 BIT_TABLE(L, sender_verify_fail),
1085 BIT_TABLE(L, size_reject),
1086 BIT_TABLE(L, skip_delivery),
1087 BIT_TABLE(L, smtp_confirmation),
1088 BIT_TABLE(L, smtp_connection),
1089 BIT_TABLE(L, smtp_incomplete_transaction),
1090 BIT_TABLE(L, smtp_mailauth),
1091 BIT_TABLE(L, smtp_no_mail),
1092 BIT_TABLE(L, smtp_protocol_error),
1093 BIT_TABLE(L, smtp_syntax_error),
1094 BIT_TABLE(L, subject),
1095 BIT_TABLE(L, tls_certificate_verified),
1096 BIT_TABLE(L, tls_cipher),
1097 BIT_TABLE(L, tls_peerdn),
1098 BIT_TABLE(L, tls_resumption),
1099 BIT_TABLE(L, tls_sni),
1100 BIT_TABLE(L, unknown_in_list),
1101 };
1102 int log_options_count = nelem(log_options);
1103
1104 int log_reject_target = 0;
1105 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1106 uschar *log_selector_string = NULL;
1107 FILE *log_stderr = NULL;
1108 uschar *login_sender_address = NULL;
1109 uschar *lookup_dnssec_authenticated = NULL;
1110 int lookup_open_max = 25;
1111 uschar *lookup_value = NULL;
1112
1113 macro_item *macros_user = NULL;
1114 uschar *mailstore_basename = NULL;
1115 #ifdef WITH_CONTENT_SCAN
1116 uschar *malware_name = NULL; /* Virus Name */
1117 #endif
1118 int max_received_linelength= 0;
1119 int max_username_length = 0;
1120 int message_age = 0;
1121 uschar *message_body = NULL;
1122 uschar *message_body_end = NULL;
1123 int message_body_size = 0;
1124 int message_body_visible = 500;
1125 int message_ended = END_NOTSTARTED;
1126 uschar *message_headers = NULL;
1127 uschar *message_id;
1128 uschar *message_id_domain = NULL;
1129 uschar *message_id_text = NULL;
1130 struct timeval message_id_tv = { 0, 0 };
1131 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1132 uschar *message_id_external;
1133 int message_linecount = 0;
1134 int message_size = 0;
1135 uschar *message_size_limit = US"50M";
1136 #ifdef SUPPORT_I18N
1137 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1138 #endif
1139 uschar message_subdir[2] = { 0, 0 };
1140 uschar *message_reference = NULL;
1141
1142 /* MIME ACL expandables */
1143 #ifdef WITH_CONTENT_SCAN
1144 int mime_anomaly_level = 0;
1145 const uschar *mime_anomaly_text = NULL;
1146 uschar *mime_boundary = NULL;
1147 uschar *mime_charset = NULL;
1148 uschar *mime_content_description = NULL;
1149 uschar *mime_content_disposition = NULL;
1150 uschar *mime_content_id = NULL;
1151 unsigned int mime_content_size = 0;
1152 uschar *mime_content_transfer_encoding = NULL;
1153 uschar *mime_content_type = NULL;
1154 uschar *mime_decoded_filename = NULL;
1155 uschar *mime_filename = NULL;
1156 int mime_is_multipart = 0;
1157 int mime_is_coverletter = 0;
1158 int mime_is_rfc822 = 0;
1159 int mime_part_count = -1;
1160 #endif
1161
1162 uid_t *never_users = NULL;
1163
1164 const int on = 1; /* for setsockopt */
1165 const int off = 0;
1166
1167 uid_t original_euid;
1168 gid_t originator_gid;
1169 uschar *originator_login = NULL;
1170 uschar *originator_name = NULL;
1171 uid_t originator_uid;
1172 uschar *override_local_interfaces = NULL;
1173 uschar *override_pid_file_path = NULL;
1174
1175 uschar *percent_hack_domains = NULL;
1176 uschar *pid_file_path = US PID_FILE_PATH
1177 "\0<--------------Space to patch pid_file_path->";
1178 #ifndef DISABLE_PIPE_CONNECT
1179 uschar *pipe_connect_advertise_hosts = US"*";
1180 #endif
1181 uschar *pipelining_advertise_hosts = US"*";
1182 uschar *primary_hostname = NULL;
1183 uschar *process_info;
1184 int process_info_len = 0;
1185 uschar *process_log_path = NULL;
1186
1187 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1188 uschar *hosts_proxy = NULL;
1189 uschar *proxy_external_address = NULL;
1190 int proxy_external_port = 0;
1191 uschar *proxy_local_address = NULL;
1192 int proxy_local_port = 0;
1193 #endif
1194
1195 uschar *prvscheck_address = NULL;
1196 uschar *prvscheck_keynum = NULL;
1197 uschar *prvscheck_result = NULL;
1198
1199
1200 const uschar *qualify_domain_recipient = NULL;
1201 uschar *qualify_domain_sender = NULL;
1202 uschar *queue_domains = NULL;
1203 int queue_interval = -1;
1204 uschar *queue_name = US"";
1205 uschar *queue_name_dest = NULL;
1206 uschar *queue_only_file = NULL;
1207 int queue_only_load = -1;
1208 uschar *queue_run_max = US"5";
1209 pid_t queue_run_pid = (pid_t)0;
1210 int queue_run_pipe = -1;
1211 unsigned queue_size = 0;
1212 time_t queue_size_next = 0;
1213 uschar *queue_smtp_domains = NULL;
1214
1215 uint32_t random_seed = 0;
1216 tree_node *ratelimiters_cmd = NULL;
1217 tree_node *ratelimiters_conn = NULL;
1218 tree_node *ratelimiters_mail = NULL;
1219 uschar *raw_active_hostname = NULL;
1220 uschar *raw_sender = NULL;
1221 uschar **raw_recipients = NULL;
1222 int raw_recipients_count = 0;
1223
1224 int rcpt_count = 0;
1225 int rcpt_fail_count = 0;
1226 int rcpt_defer_count = 0;
1227 gid_t real_gid;
1228 uid_t real_uid;
1229 int receive_linecount = 0;
1230 int receive_messagecount = 0;
1231 int receive_timeout = 0;
1232 int received_count = 0;
1233 uschar *received_for = NULL;
1234
1235 /* This is the default text for Received headers generated by Exim. The
1236 date will be automatically added on the end. */
1237
1238 uschar *received_header_text = US
1239 "Received: "
1240 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1241 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1242 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1243 "by $primary_hostname "
1244 "${if def:received_protocol {with $received_protocol }}"
1245 #ifndef DISABLE_TLS
1246 "${if def:tls_in_ver { ($tls_in_ver)}}"
1247 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1248 #endif
1249 "(Exim $version_number)\n\t"
1250 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1251 "id $message_exim_id"
1252 "${if def:received_for {\n\tfor $received_for}}"
1253 "\0<---------------Space to patch received_header_text->";
1254
1255 int received_headers_max = 30;
1256 uschar *received_protocol = NULL;
1257 struct timeval received_time = { 0, 0 };
1258 struct timeval received_time_taken = { 0, 0 };
1259 uschar *recipient_data = NULL;
1260 uschar *recipient_unqualified_hosts = NULL;
1261 uschar *recipient_verify_failure = NULL;
1262 int recipients_count = 0;
1263 recipient_item *recipients_list = NULL;
1264 int recipients_list_max = 0;
1265 int recipients_max = 0;
1266 const pcre *regex_AUTH = NULL;
1267 const pcre *regex_check_dns_names = NULL;
1268 const pcre *regex_From = NULL;
1269 const pcre *regex_IGNOREQUOTA = NULL;
1270 const pcre *regex_PIPELINING = NULL;
1271 const pcre *regex_SIZE = NULL;
1272 #ifndef DISABLE_PIPE_CONNECT
1273 const pcre *regex_EARLY_PIPE = NULL;
1274 #endif
1275 const pcre *regex_ismsgid = NULL;
1276 const pcre *regex_smtp_code = NULL;
1277 uschar *regex_vars[REGEX_VARS];
1278 #ifdef WHITELIST_D_MACROS
1279 const pcre *regex_whitelisted_macro = NULL;
1280 #endif
1281 #ifdef WITH_CONTENT_SCAN
1282 uschar *regex_match_string = NULL;
1283 #endif
1284 int remote_delivery_count = 0;
1285 int remote_max_parallel = 2;
1286 uschar *remote_sort_domains = NULL;
1287 int retry_data_expire = 7*24*60*60;
1288 int retry_interval_max = 24*60*60;
1289 int retry_maximum_timeout = 0; /* set from retry config */
1290 retry_config *retries = NULL;
1291 uschar *return_path = NULL;
1292 int rewrite_existflags = 0;
1293 uschar *rfc1413_hosts = US"@[]";
1294 int rfc1413_query_timeout = 0;
1295 uid_t root_gid = ROOT_GID;
1296 uid_t root_uid = ROOT_UID;
1297
1298 router_instance *routers = NULL;
1299 router_instance router_defaults = {
1300 .next = NULL,
1301 .name = NULL,
1302 .info = NULL,
1303 .options_block = NULL,
1304 .driver_name = NULL,
1305
1306 .address_data = NULL,
1307 #ifdef EXPERIMENTAL_BRIGHTMAIL
1308 .bmi_rule = NULL,
1309 #endif
1310 .cannot_route_message = NULL,
1311 .condition = NULL,
1312 .current_directory = NULL,
1313 .debug_string = NULL,
1314 .domains = NULL,
1315 .errors_to = NULL,
1316 .expand_gid = NULL,
1317 .expand_uid = NULL,
1318 .expand_more = NULL,
1319 .expand_unseen = NULL,
1320 .extra_headers = NULL,
1321 .fallback_hosts = NULL,
1322 .home_directory = NULL,
1323 .ignore_target_hosts = NULL,
1324 .local_parts = NULL,
1325 .pass_router_name = NULL,
1326 .prefix = NULL,
1327 .redirect_router_name = NULL,
1328 .remove_headers = NULL,
1329 .require_files = NULL,
1330 .router_home_directory = NULL,
1331 .self = US"freeze",
1332 .senders = NULL,
1333 .suffix = NULL,
1334 .translate_ip_address = NULL,
1335 .transport_name = NULL,
1336
1337 .address_test = TRUE,
1338 #ifdef EXPERIMENTAL_BRIGHTMAIL
1339 .bmi_deliver_alternate = FALSE,
1340 .bmi_deliver_default = FALSE,
1341 .bmi_dont_deliver = FALSE,
1342 #endif
1343 .expn = TRUE,
1344 .caseful_local_part = FALSE,
1345 .check_local_user = FALSE,
1346 .disable_logging = FALSE,
1347 .fail_verify_recipient = FALSE,
1348 .fail_verify_sender = FALSE,
1349 .gid_set = FALSE,
1350 .initgroups = FALSE,
1351 .log_as_local = TRUE_UNSET,
1352 .more = TRUE,
1353 .pass_on_timeout = FALSE,
1354 .prefix_optional = FALSE,
1355 .repeat_use = TRUE,
1356 .retry_use_local_part = TRUE_UNSET,
1357 .same_domain_copy_routing = FALSE,
1358 .self_rewrite = FALSE,
1359 .set = NULL,
1360 .suffix_optional = FALSE,
1361 .verify_only = FALSE,
1362 .verify_recipient = TRUE,
1363 .verify_sender = TRUE,
1364 .uid_set = FALSE,
1365 .unseen = FALSE,
1366 .dsn_lasthop = FALSE,
1367
1368 .self_code = self_freeze,
1369 .uid = (uid_t)(-1),
1370 .gid = (gid_t)(-1),
1371
1372 .fallback_hostlist = NULL,
1373 .transport = NULL,
1374 .pass_router = NULL,
1375 .redirect_router = NULL,
1376
1377 .dnssec = { .request= US"*", .require=NULL },
1378 };
1379
1380 uschar *router_name = NULL;
1381 tree_node *router_var = NULL;
1382
1383 ip_address_item *running_interfaces = NULL;
1384
1385 /* This is a weird one. The following string gets patched in the binary by the
1386 script that sets up a copy of Exim for running in the test harness. It seems
1387 that compilers are now clever, and share constant strings if they can.
1388 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1389 make use of the end of this string in order to save space. So the patching then
1390 wrecks this. We defeat this optimization by adding some additional characters
1391 onto the end of the string. */
1392
1393 uschar *running_status = US">>>running<<<" "\0EXTRA";
1394
1395 int runrc = 0;
1396
1397 uschar *search_error_message = NULL;
1398 uschar *self_hostname = NULL;
1399 uschar *sender_address = NULL;
1400 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1401 uschar *sender_address_data = NULL;
1402 uschar *sender_address_unrewritten = NULL;
1403 uschar *sender_data = NULL;
1404 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1405 uschar *sender_fullhost = NULL;
1406 uschar *sender_helo_name = NULL;
1407 uschar **sender_host_aliases = &no_aliases;
1408 uschar *sender_host_address = NULL;
1409 uschar *sender_host_authenticated = NULL;
1410 uschar *sender_host_auth_pubname = NULL;
1411 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1412 uschar *sender_host_name = NULL;
1413 int sender_host_port = 0;
1414 uschar *sender_ident = NULL;
1415 uschar *sender_rate = NULL;
1416 uschar *sender_rate_limit = NULL;
1417 uschar *sender_rate_period = NULL;
1418 uschar *sender_rcvhost = NULL;
1419 uschar *sender_unqualified_hosts = NULL;
1420 uschar *sender_verify_failure = NULL;
1421 address_item *sender_verified_list = NULL;
1422 address_item *sender_verified_failed = NULL;
1423 int sender_verified_rc = -1;
1424 uschar *sending_ip_address = NULL;
1425 int sending_port = -1;
1426 SIGNAL_BOOL sigalrm_seen = FALSE;
1427 const uschar *sigalarm_setter = NULL;
1428 uschar **sighup_argv = NULL;
1429 int slow_lookup_log = 0; /* millisecs, zero disables */
1430 int smtp_accept_count = 0;
1431 int smtp_accept_max = 20;
1432 int smtp_accept_max_nonmail= 10;
1433 uschar *smtp_accept_max_nonmail_hosts = US"*";
1434 int smtp_accept_max_per_connection = 1000;
1435 uschar *smtp_accept_max_per_host = NULL;
1436 int smtp_accept_queue = 0;
1437 int smtp_accept_queue_per_connection = 10;
1438 int smtp_accept_reserve = 0;
1439 uschar *smtp_active_hostname = NULL;
1440 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1441 "Exim $version_number $tod_full"
1442 "\0<---------------Space to patch smtp_banner->";
1443 int smtp_ch_index = 0;
1444 uschar *smtp_cmd_argument = NULL;
1445 uschar *smtp_cmd_buffer = NULL;
1446 struct timeval smtp_connection_start = {0,0};
1447 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1448 int smtp_connect_backlog = 20;
1449 double smtp_delay_mail = 0.0;
1450 double smtp_delay_rcpt = 0.0;
1451 FILE *smtp_in = NULL;
1452 int smtp_load_reserve = -1;
1453 int smtp_mailcmd_count = 0;
1454 FILE *smtp_out = NULL;
1455 uschar *smtp_etrn_command = NULL;
1456 int smtp_max_synprot_errors= 3;
1457 int smtp_max_unknown_commands = 3;
1458 uschar *smtp_notquit_reason = NULL;
1459 uschar *smtp_ratelimit_hosts = NULL;
1460 uschar *smtp_ratelimit_mail = NULL;
1461 uschar *smtp_ratelimit_rcpt = NULL;
1462 uschar *smtp_read_error = US"";
1463 int smtp_receive_timeout = 5*60;
1464 uschar *smtp_receive_timeout_s = NULL;
1465 uschar *smtp_reserve_hosts = NULL;
1466 int smtp_rlm_base = 0;
1467 double smtp_rlm_factor = 0.0;
1468 int smtp_rlm_limit = 0;
1469 int smtp_rlm_threshold = INT_MAX;
1470 int smtp_rlr_base = 0;
1471 double smtp_rlr_factor = 0.0;
1472 int smtp_rlr_limit = 0;
1473 int smtp_rlr_threshold = INT_MAX;
1474 unsigned smtp_peer_options = 0;
1475 unsigned smtp_peer_options_wrap= 0;
1476 #ifdef SUPPORT_I18N
1477 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1478 #endif
1479
1480 #ifdef WITH_CONTENT_SCAN
1481 uschar *spamd_address = US"127.0.0.1 783";
1482 uschar *spam_bar = NULL;
1483 uschar *spam_report = NULL;
1484 uschar *spam_action = NULL;
1485 uschar *spam_score = NULL;
1486 uschar *spam_score_int = NULL;
1487 #endif
1488 #ifdef SUPPORT_SPF
1489 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1490 uschar *spf_header_comment = NULL;
1491 uschar *spf_received = NULL;
1492 uschar *spf_result = NULL;
1493 uschar *spf_smtp_comment = NULL;
1494 #endif
1495
1496 FILE *spool_data_file = NULL;
1497 uschar *spool_directory = US SPOOL_DIRECTORY
1498 "\0<--------------Space to patch spool_directory->";
1499 #ifdef EXPERIMENTAL_SRS
1500 uschar *srs_config = NULL;
1501 uschar *srs_db_address = NULL;
1502 uschar *srs_db_key = NULL;
1503 int srs_hashlength = 6;
1504 int srs_hashmin = -1;
1505 int srs_maxage = 31;
1506 uschar *srs_orig_recipient = NULL;
1507 uschar *srs_orig_sender = NULL;
1508 uschar *srs_recipient = NULL;
1509 uschar *srs_secrets = NULL;
1510 uschar *srs_status = NULL;
1511 #endif
1512 #ifdef EXPERIMENTAL_SRS_NATIVE
1513 uschar *srs_recipient = NULL;
1514 #endif
1515 int string_datestamp_offset= -1;
1516 int string_datestamp_length= 0;
1517 int string_datestamp_type = -1;
1518 uschar *submission_domain = NULL;
1519 uschar *submission_name = NULL;
1520 int syslog_facility = LOG_MAIL;
1521 uschar *syslog_processname = US"exim";
1522 uschar *system_filter = NULL;
1523
1524 uschar *system_filter_directory_transport = NULL;
1525 uschar *system_filter_file_transport = NULL;
1526 uschar *system_filter_pipe_transport = NULL;
1527 uschar *system_filter_reply_transport = NULL;
1528
1529 gid_t system_filter_gid = 0;
1530 uid_t system_filter_uid = (uid_t)-1;
1531
1532 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1533 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1534 #ifdef USE_TCP_WRAPPERS
1535 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1536 #endif
1537 int test_harness_load_avg = 0;
1538 int thismessage_size_limit = 0;
1539 int timeout_frozen_after = 0;
1540 #ifdef MEASURE_TIMING
1541 struct timeval timestamp_startup;
1542 #endif
1543
1544 transport_instance *transports = NULL;
1545
1546 transport_instance transport_defaults = {
1547 .next = NULL,
1548 .name = NULL,
1549 .info = NULL,
1550 .options_block = NULL,
1551 .driver_name = NULL,
1552 .setup = NULL,
1553 .batch_max = 1,
1554 .batch_id = NULL,
1555 .home_dir = NULL,
1556 .current_dir = NULL,
1557 .expand_multi_domain = NULL,
1558 .multi_domain = TRUE,
1559 .overrides_hosts = FALSE,
1560 .max_addresses = 100,
1561 .connection_max_messages = 500,
1562 .deliver_as_creator = FALSE,
1563 .disable_logging = FALSE,
1564 .initgroups = FALSE,
1565 .uid_set = FALSE,
1566 .gid_set = FALSE,
1567 .uid = (uid_t)(-1),
1568 .gid = (gid_t)(-1),
1569 .expand_uid = NULL,
1570 .expand_gid = NULL,
1571 .warn_message = NULL,
1572 .shadow = NULL,
1573 .shadow_condition = NULL,
1574 .filter_command = NULL,
1575 .add_headers = NULL,
1576 .remove_headers = NULL,
1577 .return_path = NULL,
1578 .debug_string = NULL,
1579 .max_parallel = NULL,
1580 .message_size_limit = NULL,
1581 .headers_rewrite = NULL,
1582 .rewrite_rules = NULL,
1583 .rewrite_existflags = 0,
1584 .filter_timeout = 300,
1585 .body_only = FALSE,
1586 .delivery_date_add = FALSE,
1587 .envelope_to_add = FALSE,
1588 .headers_only = FALSE,
1589 .rcpt_include_affixes = FALSE,
1590 .return_path_add = FALSE,
1591 .return_output = FALSE,
1592 .return_fail_output = FALSE,
1593 .log_output = FALSE,
1594 .log_fail_output = FALSE,
1595 .log_defer_output = FALSE,
1596 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1597 1 nor 0 so can detect unset */
1598 #ifndef DISABLE_EVENT
1599 .event_action = NULL
1600 #endif
1601 };
1602
1603 int transport_count;
1604 uschar *transport_name = NULL;
1605 int transport_newlines;
1606 const uschar **transport_filter_argv = NULL;
1607 int transport_filter_timeout;
1608 int transport_write_timeout= 0;
1609
1610 tree_node *tree_dns_fails = NULL;
1611 tree_node *tree_duplicates = NULL;
1612 tree_node *tree_nonrecipients = NULL;
1613 tree_node *tree_unusable = NULL;
1614
1615 gid_t *trusted_groups = NULL;
1616 uid_t *trusted_users = NULL;
1617 uschar *timezone_string = US TIMEZONE_DEFAULT;
1618
1619 uschar *unknown_login = NULL;
1620 uschar *unknown_username = NULL;
1621 uschar *untrusted_set_sender = NULL;
1622
1623 /* A regex for matching a "From_" line in an incoming message, in the form
1624
1625 From ph10 Fri Jan 5 12:35 GMT 1996
1626
1627 which the "mail" commands send to the MTA (undocumented, of course), or in
1628 the form
1629
1630 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1631
1632 which is apparently used by some UUCPs, despite it not being in RFC 976.
1633 Because of variations in time formats, just match up to the minutes. That
1634 should be sufficient. Examples have been seen of time fields like 12:1:03,
1635 so just require one digit for hours and minutes. The weekday is also absent
1636 in some forms. */
1637
1638 uschar *uucp_from_pattern = US
1639 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1640 "(?:" /* Non-extracting bracket */
1641 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1642 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1643 ")" /* End alternation */
1644 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1645
1646 uschar *uucp_from_sender = US"$1";
1647
1648 uschar *verify_mode = NULL;
1649 uschar *version_copyright =
1650 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1651 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1652 uschar *version_date = US"?";
1653 uschar *version_cnumber = US"????";
1654 uschar *version_string = US"?";
1655
1656 uschar *warn_message_file = NULL;
1657 int warning_count = 0;
1658 uschar *warnmsg_delay = NULL;
1659 uschar *warnmsg_recipients = NULL;
1660
1661
1662 /* End of globals.c */
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