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Import Debian changes 4.92-8+deb10u3
[hcoop/debian/exim4.git] / src / globals.c
CommitLineData
420a0d19
CE		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
2ea97746 5/* Copyright (c) University of Cambridge 1995 - 2018 */
420a0d19
CE		 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
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
2ea97746 38int optionlist_auths_size = nelem(optionlist_auths);
420a0d19
CE		 39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
2ea97746 52BOOL opt_perl_taintmode = FALSE;
420a0d19
CE		 53#endif
54
55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
69uschar *eldap_default_servers = NULL;
70uschar *eldap_require_cert = NULL;
71int eldap_version = -1;
72BOOL eldap_start_tls = FALSE;
73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
2ea97746 87#ifdef LOOKUP_REDIS
420a0d19
CE		 88uschar *redis_servers = NULL;
89#endif
90
91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
2ea97746
CE		 101them. Also, the tls_ variables are now always visible. Note that these are
102only used for smtp connections, not for service-daemon access. */
420a0d19
CE		 103
104tls_support tls_in = {
2ea97746
CE		 105 .active = {.sock = -1},
106 .bits = 0,
107 .certificate_verified = FALSE,
108#ifdef SUPPORT_DANE
109 .dane_verified = FALSE,
110 .tlsa_usage = 0,
111#endif
112 .cipher = NULL,
113 .on_connect = FALSE,
114 .on_connect_ports = NULL,
115 .ourcert = NULL,
116 .peercert = NULL,
117 .peerdn = NULL,
118 .sni = NULL,
119 .ocsp = OCSP_NOT_REQ
420a0d19
CE		 120};
121tls_support tls_out = {
2ea97746
CE		 122 .active = {.sock = -1},
123 .bits = 0,
124 .certificate_verified = FALSE,
125#ifdef SUPPORT_DANE
126 .dane_verified = FALSE,
127 .tlsa_usage = 0,
128#endif
129 .cipher = NULL,
130 .on_connect = FALSE,
131 .on_connect_ports = NULL,
132 .ourcert = NULL,
133 .peercert = NULL,
134 .peerdn = NULL,
135 .sni = NULL,
136 .ocsp = OCSP_NOT_REQ
420a0d19
CE		 137};
138
420a0d19
CE		 139uschar *dsn_envid = NULL;
140int dsn_ret = 0;
141const pcre *regex_DSN = NULL;
420a0d19 142uschar *dsn_advertise_hosts = NULL;
420a0d19
CE		 143
144#ifdef SUPPORT_TLS
145BOOL gnutls_compat_mode = FALSE;
146BOOL gnutls_allow_auto_pkcs11 = FALSE;
420a0d19
CE		 147uschar *openssl_options = NULL;
148const pcre *regex_STARTTLS = NULL;
2ea97746 149uschar *tls_advertise_hosts = US"*";
420a0d19
CE		 150uschar *tls_certificate = NULL;
151uschar *tls_crl = NULL;
152/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153that's the interop problem which has been observed: GnuTLS suggesting a higher
154bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155int tls_dh_max_bits = 2236;
156uschar *tls_dhparam = NULL;
2ea97746
CE		 157uschar *tls_eccurve = US"auto";
158# ifndef DISABLE_OCSP
420a0d19 159uschar *tls_ocsp_file = NULL;
2ea97746 160# endif
420a0d19
CE		 161uschar *tls_privatekey = NULL;
162BOOL tls_remember_esmtp = FALSE;
163uschar *tls_require_ciphers = NULL;
2ea97746
CE		 164# ifdef EXPERIMENTAL_REQUIRETLS
165uschar tls_requiretls = 0; /* REQUIRETLS_MSG etc. bit #defines */
166uschar *tls_advertise_requiretls = US"*";
167const pcre *regex_REQUIRETLS = NULL;
168# endif
420a0d19 169uschar *tls_try_verify_hosts = NULL;
2ea97746 170uschar *tls_verify_certificates= US"system";
420a0d19 171uschar *tls_verify_hosts = NULL;
2ea97746
CE		 172#else /*!SUPPORT_TLS*/
173uschar *tls_advertise_hosts = NULL;
420a0d19
CE		 174#endif
175
176#ifndef DISABLE_PRDR
177/* Per Recipient Data Response variables */
178BOOL prdr_enable = FALSE;
179BOOL prdr_requested = FALSE;
180const pcre *regex_PRDR = NULL;
181#endif
182
2ea97746
CE		 183#ifdef SUPPORT_I18N
184const pcre *regex_UTF8 = NULL;
185#endif
186
420a0d19
CE		 187/* Input-reading functions for messages, so we can use special ones for
188incoming TCP/IP. The defaults use stdin. We never need these for any
189stand-alone tests. */
190
2ea97746
CE		 191#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
192int (*lwr_receive_getc)(unsigned) = stdin_getc;
193uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
194int (*lwr_receive_ungetc)(int) = stdin_ungetc;
195int (*receive_getc)(unsigned) = stdin_getc;
196uschar * (*receive_getbuf)(unsigned *) = NULL;
197void (*receive_get_cache)(void)= NULL;
420a0d19
CE		 198int (*receive_ungetc)(int) = stdin_ungetc;
199int (*receive_feof)(void) = stdin_feof;
200int (*receive_ferror)(void) = stdin_ferror;
201BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
202#endif
203
204
205/* List of per-address expansion variables for clearing and saving/restoring
206when verifying one address while routing/verifying another. We have to have
207the size explicit, because it is referenced from more than one module. */
208
2ea97746
CE		 209const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
210 CUSS &deliver_address_data,
211 CUSS &deliver_domain,
212 CUSS &deliver_domain_data,
213 CUSS &deliver_domain_orig,
214 CUSS &deliver_domain_parent,
215 CUSS &deliver_localpart,
216 CUSS &deliver_localpart_data,
217 CUSS &deliver_localpart_orig,
218 CUSS &deliver_localpart_parent,
219 CUSS &deliver_localpart_prefix,
220 CUSS &deliver_localpart_suffix,
221 CUSS (uschar **)(&deliver_recipients),
222 CUSS &deliver_host,
223 CUSS &deliver_home,
224 CUSS &address_file,
225 CUSS &address_pipe,
226 CUSS &self_hostname,
420a0d19
CE		 227 NULL };
228
229int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
230
2ea97746
CE		 231/******************************************************************************/
232/* General global variables. Boolean flags are done as a group
233so that only one bit each is needed, packed, for all those we never
234need to take a pointer - and only a char for the rest.
235This means a struct, unfortunately since it clutters the sourcecode. */
236
237struct global_flags f =
238{
239 .acl_temp_details = FALSE,
240 .active_local_from_check = FALSE,
241 .active_local_sender_retain = FALSE,
242 .address_test_mode = FALSE,
243 .admin_user = FALSE,
244 .allow_auth_unadvertised= FALSE,
245 .allow_unqualified_recipient = TRUE, /* For local messages */
246 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
247 .authentication_local = FALSE,
248
249 .background_daemon = TRUE,
250
251 .chunking_offered = FALSE,
252 .config_changed = FALSE,
253 .continue_more = FALSE,
254
255 .daemon_listen = FALSE,
256 .debug_daemon = FALSE,
257 .deliver_firsttime = FALSE,
258 .deliver_force = FALSE,
259 .deliver_freeze = FALSE,
260 .deliver_force_thaw = FALSE,
261 .deliver_manual_thaw = FALSE,
262 .deliver_selectstring_regex = FALSE,
263 .deliver_selectstring_sender_regex = FALSE,
264 .disable_callout_flush = FALSE,
265 .disable_delay_flush = FALSE,
266 .disable_logging = FALSE,
267#ifndef DISABLE_DKIM
268 .dkim_disable_verify = FALSE,
269#endif
270#ifdef EXPERIMENTAL_DMARC
271 .dmarc_has_been_checked = FALSE,
272 .dmarc_disable_verify = FALSE,
273 .dmarc_enable_forensic = FALSE,
274#endif
275 .dont_deliver = FALSE,
276 .dot_ends = TRUE,
277
278 .enable_dollar_recipients = FALSE,
279 .expand_string_forcedfail = FALSE,
280
281 .filter_running = FALSE,
282
283 .header_rewritten = FALSE,
284 .helo_verified = FALSE,
285 .helo_verify_failed = FALSE,
286 .host_checking_callout = FALSE,
287 .host_find_failed_syntax= FALSE,
288
289 .inetd_wait_mode = FALSE,
290 .is_inetd = FALSE,
291
292 .local_error_message = FALSE,
293 .log_testing_mode = FALSE,
294
295#ifdef WITH_CONTENT_SCAN
296 .no_mbox_unspool = FALSE,
297#endif
298 .no_multiline_responses = FALSE,
299
300 .parse_allow_group = FALSE,
301 .parse_found_group = FALSE,
302 .pipelining_enable = TRUE,
303#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
304 .proxy_session_failed = FALSE,
305#endif
306
307 .queue_2stage = FALSE,
308 .queue_only_policy = FALSE,
309 .queue_run_first_delivery = FALSE,
310 .queue_run_force = FALSE,
311 .queue_run_local = FALSE,
312 .queue_running = FALSE,
313 .queue_smtp = FALSE,
314
315 .really_exim = TRUE,
316 .receive_call_bombout = FALSE,
317 .recipients_discarded = FALSE,
318 .running_in_test_harness = FALSE,
319
320 .search_find_defer = FALSE,
321 .sender_address_forced = FALSE,
322 .sender_host_notsocket = FALSE,
323 .sender_host_unknown = FALSE,
324 .sender_local = FALSE,
325 .sender_name_forced = FALSE,
326 .sender_set_untrusted = FALSE,
327 .smtp_authenticated = FALSE,
328#ifdef EXPERIMENTAL_PIPE_CONNECT
329 .smtp_in_early_pipe_advertised = FALSE,
330 .smtp_in_early_pipe_no_auth = FALSE,
331 .smtp_in_early_pipe_used = FALSE,
332#endif
333 .smtp_in_pipelining_advertised = FALSE,
334 .smtp_in_pipelining_used = FALSE,
335 .spool_file_wireformat = FALSE,
336 .submission_mode = FALSE,
337 .suppress_local_fixups = FALSE,
338 .suppress_local_fixups_default = FALSE,
339 .synchronous_delivery = FALSE,
340 .system_filtering = FALSE,
341
342 .tcp_fastopen_ok = FALSE,
343 .tcp_in_fastopen = FALSE,
344 .tcp_in_fastopen_data = FALSE,
345 .tcp_in_fastopen_logged = FALSE,
346 .tcp_out_fastopen_logged= FALSE,
347 .timestamps_utc = FALSE,
348 .transport_filter_timed_out = FALSE,
349 .trusted_caller = FALSE,
350 .trusted_config = TRUE,
351};
352
353/******************************************************************************/
354/* These are the flags which are either variables or mainsection options,
355so an address is needed for access, or are exported to local_scan. */
356
357BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
358BOOL allow_domain_literals = FALSE;
359BOOL allow_mx_to_ip = FALSE;
360BOOL allow_utf8_domains = FALSE;
361BOOL authentication_failed = FALSE;
362
363BOOL bounce_return_body = TRUE;
364BOOL bounce_return_message = TRUE;
365BOOL check_rfc2047_length = TRUE;
366BOOL commandline_checks_require_admin = FALSE;
367
368#ifdef EXPERIMENTAL_DCC
369BOOL dcc_direct_add_header = FALSE;
370#endif
371BOOL debug_store = FALSE;
372BOOL delivery_date_remove = TRUE;
373BOOL deliver_drop_privilege = FALSE;
374#ifdef ENABLE_DISABLE_FSYNC
375BOOL disable_fsync = FALSE;
376#endif
377BOOL disable_ipv6 = FALSE;
378BOOL dns_csa_use_reverse = TRUE;
379BOOL drop_cr = FALSE; /* No longer used */
380
381BOOL envelope_to_remove = TRUE;
382BOOL exim_gid_set = TRUE; /* This gid is always set */
383BOOL exim_uid_set = TRUE; /* This uid is always set */
384BOOL extract_addresses_remove_arguments = TRUE;
385
386BOOL host_checking = FALSE;
387BOOL host_lookup_deferred = FALSE;
388BOOL host_lookup_failed = FALSE;
389BOOL ignore_fromline_local = FALSE;
390
391BOOL local_from_check = TRUE;
392BOOL local_sender_retain = FALSE;
393BOOL log_timezone = FALSE;
394BOOL message_body_newlines = FALSE;
395BOOL message_logs = TRUE;
396#ifdef SUPPORT_I18N
397BOOL message_smtputf8 = FALSE;
398#endif
399BOOL mua_wrapper = FALSE;
400
401BOOL preserve_message_logs = FALSE;
402BOOL print_topbitchars = FALSE;
403BOOL prod_requires_admin = TRUE;
404#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
405BOOL proxy_session = FALSE;
406#endif
407
408BOOL queue_list_requires_admin = TRUE;
409BOOL queue_only = FALSE;
410BOOL queue_only_load_latch = TRUE;
411BOOL queue_only_override = TRUE;
412BOOL queue_run_in_order = FALSE;
413BOOL recipients_max_reject = FALSE;
414BOOL return_path_remove = TRUE;
415
416BOOL smtp_batched_input = FALSE;
417BOOL sender_helo_dnssec = FALSE;
418BOOL sender_host_dnssec = FALSE;
419BOOL smtp_accept_keepalive = TRUE;
420BOOL smtp_check_spool_space = TRUE;
421BOOL smtp_enforce_sync = TRUE;
422BOOL smtp_etrn_serialize = TRUE;
423BOOL smtp_input = FALSE;
424BOOL smtp_return_error_details = FALSE;
425#ifdef SUPPORT_SPF
426BOOL spf_result_guessed = FALSE;
427#endif
428BOOL split_spool_directory = FALSE;
429BOOL spool_wireformat = FALSE;
430#ifdef EXPERIMENTAL_SRS
431BOOL srs_usehash = TRUE;
432BOOL srs_usetimestamp = TRUE;
433#endif
434BOOL strict_acl_vars = FALSE;
435BOOL strip_excess_angle_brackets = FALSE;
436BOOL strip_trailing_dot = FALSE;
437BOOL syslog_duplication = TRUE;
438BOOL syslog_pid = TRUE;
439BOOL syslog_timestamp = TRUE;
440BOOL system_filter_gid_set = FALSE;
441BOOL system_filter_uid_set = FALSE;
442
443BOOL tcp_nodelay = TRUE;
444BOOL write_rejectlog = TRUE;
445
446/******************************************************************************/
420a0d19
CE		 447
448header_line *acl_added_headers = NULL;
449tree_node *acl_anchor = NULL;
450uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
451 NULL, NULL, NULL, NULL};
452int acl_narg = 0;
453
2ea97746
CE		 454int acl_level = 0;
455
420a0d19
CE		 456uschar *acl_not_smtp = NULL;
457#ifdef WITH_CONTENT_SCAN
458uschar *acl_not_smtp_mime = NULL;
459#endif
460uschar *acl_not_smtp_start = NULL;
461uschar *acl_removed_headers = NULL;
462uschar *acl_smtp_auth = NULL;
463uschar *acl_smtp_connect = NULL;
464uschar *acl_smtp_data = NULL;
465#ifndef DISABLE_PRDR
2ea97746 466uschar *acl_smtp_data_prdr = US"accept";
420a0d19
CE		 467#endif
468#ifndef DISABLE_DKIM
469uschar *acl_smtp_dkim = NULL;
470#endif
471uschar *acl_smtp_etrn = NULL;
472uschar *acl_smtp_expn = NULL;
473uschar *acl_smtp_helo = NULL;
474uschar *acl_smtp_mail = NULL;
475uschar *acl_smtp_mailauth = NULL;
476#ifdef WITH_CONTENT_SCAN
477uschar *acl_smtp_mime = NULL;
478#endif
479uschar *acl_smtp_notquit = NULL;
480uschar *acl_smtp_predata = NULL;
481uschar *acl_smtp_quit = NULL;
482uschar *acl_smtp_rcpt = NULL;
483uschar *acl_smtp_starttls = NULL;
484uschar *acl_smtp_vrfy = NULL;
485
420a0d19
CE		 486tree_node *acl_var_c = NULL;
487tree_node *acl_var_m = NULL;
488uschar *acl_verify_message = NULL;
489string_item *acl_warn_logged = NULL;
490
491/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
492error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
493
494uschar *acl_wherenames[] = { US"RCPT",
495 US"MAIL",
496 US"PREDATA",
497 US"MIME",
498 US"DKIM",
499 US"DATA",
500#ifndef DISABLE_PRDR
501 US"PRDR",
502#endif
503 US"non-SMTP",
504 US"AUTH",
505 US"connection",
506 US"ETRN",
507 US"EXPN",
508 US"EHLO or HELO",
509 US"MAILAUTH",
510 US"non-SMTP-start",
511 US"NOTQUIT",
512 US"QUIT",
513 US"STARTTLS",
514 US"VRFY",
515 US"delivery",
516 US"unknown"
517 };
518
519uschar *acl_wherecodes[] = { US"550", /* RCPT */
520 US"550", /* MAIL */
521 US"550", /* PREDATA */
522 US"550", /* MIME */
523 US"550", /* DKIM */
524 US"550", /* DATA */
525#ifndef DISABLE_PRDR
526 US"550", /* RCPT PRDR */
527#endif
528 US"0", /* not SMTP; not relevant */
529 US"503", /* AUTH */
530 US"550", /* connect */
531 US"458", /* ETRN */
532 US"550", /* EXPN */
533 US"550", /* HELO/EHLO */
534 US"0", /* MAILAUTH; not relevant */
535 US"0", /* not SMTP; not relevant */
536 US"0", /* NOTQUIT; not relevant */
537 US"0", /* QUIT; not relevant */
538 US"550", /* STARTTLS */
539 US"252", /* VRFY */
540 US"0", /* delivery; not relevant */
541 US"0" /* unknown; not relevant */
542 };
543
188b6fee 544uschar *add_environment = NULL;
420a0d19
CE		 545address_item *addr_duplicate = NULL;
546
547address_item address_defaults = {
2ea97746
CE		 548 .next = NULL,
549 .parent = NULL,
550 .first = NULL,
551 .dupof = NULL,
552 .start_router = NULL,
553 .router = NULL,
554 .transport = NULL,
555 .host_list = NULL,
556 .host_used = NULL,
557 .fallback_hosts = NULL,
558 .reply = NULL,
559 .retries = NULL,
560 .address = NULL,
561 .unique = NULL,
562 .cc_local_part = NULL,
563 .lc_local_part = NULL,
564 .local_part = NULL,
565 .prefix = NULL,
566 .suffix = NULL,
567 .domain = NULL,
568 .address_retry_key = NULL,
569 .domain_retry_key = NULL,
570 .current_dir = NULL,
571 .home_dir = NULL,
572 .message = NULL,
573 .user_message = NULL,
574 .onetime_parent = NULL,
575 .pipe_expandn = NULL,
576 .return_filename = NULL,
577 .self_hostname = NULL,
578 .shadow_message = NULL,
579#ifdef SUPPORT_TLS
580 .cipher = NULL,
581 .ourcert = NULL,
582 .peercert = NULL,
583 .peerdn = NULL,
584 .ocsp = OCSP_NOT_REQ,
585#endif
586#ifdef EXPERIMENTAL_DSN_INFO
587 .smtp_greeting = NULL,
588 .helo_response = NULL,
589#endif
590 .authenticator = NULL,
591 .auth_id = NULL,
592 .auth_sndr = NULL,
593 .dsn_orcpt = NULL,
594 .dsn_flags = 0,
595 .dsn_aware = 0,
596 .uid = (uid_t)(-1),
597 .gid = (gid_t)(-1),
598 .flags = { 0 },
599 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
600 .localpart_cache = { 0 }, /* localpart_cache - ditto */
601 .mode = -1,
602 .more_errno = 0,
603 .delivery_usec = 0,
604 .basic_errno = ERRNO_UNKNOWNERROR,
605 .child_count = 0,
606 .return_file = -1,
607 .special_action = SPECIAL_NONE,
608 .transport_return = DEFER,
609 .prop = { /* fields that are propagated to children */
610 .address_data = NULL,
611 .domain_data = NULL,
612 .localpart_data = NULL,
613 .errors_address = NULL,
614 .extra_headers = NULL,
615 .remove_headers = NULL,
420a0d19 616#ifdef EXPERIMENTAL_SRS
2ea97746
CE		 617 .srs_sender = NULL,
618#endif
619 .ignore_error = FALSE,
620#ifdef SUPPORT_I18N
621 .utf8_msg = FALSE,
622 .utf8_downcvt = FALSE,
623 .utf8_downcvt_maybe = FALSE
420a0d19
CE		 624#endif
625 }
626};
627
628uschar *address_file = NULL;
629uschar *address_pipe = NULL;
420a0d19
CE		 630tree_node *addresslist_anchor = NULL;
631int addresslist_count = 0;
632gid_t *admin_groups = NULL;
2ea97746
CE		 633
634#ifdef EXPERIMENTAL_ARC
635struct arc_set *arc_received = NULL;
636int arc_received_instance = 0;
637int arc_oldest_pass = 0;
638const uschar *arc_state = NULL;
639const uschar *arc_state_reason = NULL;
640#endif
641
420a0d19
CE		 642uschar *authenticated_fail_id = NULL;
643uschar *authenticated_id = NULL;
644uschar *authenticated_sender = NULL;
420a0d19
CE		 645auth_instance *auths = NULL;
646uschar *auth_advertise_hosts = US"*";
647auth_instance auth_defaults = {
2ea97746
CE		 648 .next = NULL,
649 .name = NULL,
650 .info = NULL,
651 .options_block = NULL,
652 .driver_name = NULL,
653 .advertise_condition = NULL,
654 .client_condition = NULL,
655 .public_name = NULL,
656 .set_id = NULL,
657 .set_client_id = NULL,
658 .mail_auth_condition = NULL,
659 .server_debug_string = NULL,
660 .server_condition = NULL,
661 .client = FALSE,
662 .server = FALSE,
663 .advertised = FALSE
420a0d19
CE		 664};
665
666uschar *auth_defer_msg = US"reason not recorded";
667uschar *auth_defer_user_msg = US"";
668uschar *auth_vars[AUTH_VARS];
669int auto_thaw = 0;
670#ifdef WITH_CONTENT_SCAN
2ea97746 671int av_failed = FALSE; /* boolean but accessed as vtype_int*/
420a0d19
CE		 672uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
673#endif
674
420a0d19
CE		 675#if BASE_62 == 62
676uschar *base62_chars=
677 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
678#else
679uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
680#endif
681
682uschar *bi_command = NULL;
683uschar *big_buffer = NULL;
684int big_buffer_size = BIG_BUFFER_SIZE;
685#ifdef EXPERIMENTAL_BRIGHTMAIL
686uschar *bmi_alt_location = NULL;
687uschar *bmi_base64_tracker_verdict = NULL;
688uschar *bmi_base64_verdict = NULL;
689uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
690int bmi_deliver = 1;
691int bmi_run = 0;
692uschar *bmi_verdicts = NULL;
693#endif
2ea97746
CE		 694int bsmtp_transaction_linecount = 0;
695int body_8bitmime = 0;
420a0d19
CE		 696int body_linecount = 0;
697int body_zerocount = 0;
698uschar *bounce_message_file = NULL;
699uschar *bounce_message_text = NULL;
700uschar *bounce_recipient = NULL;
2ea97746 701int bounce_return_linesize_limit = 998;
420a0d19
CE		 702int bounce_return_size_limit = 100*1024;
703uschar *bounce_sender_authentication = NULL;
420a0d19 704
2ea97746 705uschar *callout_address = NULL;
420a0d19
CE		 706int callout_cache_domain_positive_expire = 7*24*60*60;
707int callout_cache_domain_negative_expire = 3*60*60;
708int callout_cache_positive_expire = 24*60*60;
709int callout_cache_negative_expire = 2*60*60;
710uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
711uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
2ea97746
CE		 712int check_log_inodes = 100;
713int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
714int check_spool_inodes = 100;
715int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
716
717uschar *chunking_advertise_hosts = US"*";
718unsigned chunking_datasize = 0;
719unsigned chunking_data_left = 0;
720chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
721const pcre *regex_CHUNKING = NULL;
722
723uschar *client_authenticator = NULL;
724uschar *client_authenticated_id = NULL;
725uschar *client_authenticated_sender = NULL;
420a0d19
CE		 726int clmacro_count = 0;
727uschar *clmacros[MAX_CLMACROS];
420a0d19 728FILE *config_file = NULL;
2ea97746 729const uschar *config_filename = NULL;
420a0d19
CE		 730int config_lineno = 0;
731#ifdef CONFIGURE_GROUP
732gid_t config_gid = CONFIGURE_GROUP;
2ea97746
CE		 733#else
734gid_t config_gid = 0;
420a0d19
CE		 735#endif
736uschar *config_main_filelist = US CONFIGURE_FILE
737 "\0<-----------Space to patch configure_filename->";
738uschar *config_main_filename = NULL;
2ea97746 739uschar *config_main_directory = NULL;
420a0d19
CE		 740
741#ifdef CONFIGURE_OWNER
742uid_t config_uid = CONFIGURE_OWNER;
2ea97746
CE		 743#else
744uid_t config_uid = 0;
420a0d19
CE		 745#endif
746
747int connection_max_messages= -1;
2ea97746 748uschar *continue_proxy_cipher = NULL;
420a0d19
CE		 749uschar *continue_hostname = NULL;
750uschar *continue_host_address = NULL;
420a0d19
CE		 751int continue_sequence = 1;
752uschar *continue_transport = NULL;
753
754uschar *csa_status = NULL;
2ea97746
CE		 755cut_t cutthrough = {
756 .callout_hold_only = FALSE, /* verify-only: normal delivery */
757 .delivery = FALSE, /* when to attempt */
758 .defer_pass = FALSE, /* on defer: spool locally */
759 .is_tls = FALSE, /* not a TLS conn yet */
760 .cctx = {.sock = -1}, /* open connection */
761 .nrcpt = 0, /* number of addresses */
762};
420a0d19 763
420a0d19
CE		 764uschar *daemon_smtp_port = US"smtp";
765int daemon_startup_retries = 9;
766int daemon_startup_sleep = 30;
767
768#ifdef EXPERIMENTAL_DCC
420a0d19
CE		 769uschar *dcc_header = NULL;
770uschar *dcc_result = NULL;
771uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
772uschar *dccifd_options = US"header";
773#endif
774
420a0d19
CE		 775int debug_fd = -1;
776FILE *debug_file = NULL;
2ea97746
CE		 777int debug_notall[] = {
778 Di_memory,
779 Di_noutf8,
780 -1
781};
782bit_table debug_options[] = { /* must be in alphabetical order and use
783 only the enum values from macro.h */
784 BIT_TABLE(D, acl),
785 BIT_TABLE(D, all),
786 BIT_TABLE(D, auth),
787 BIT_TABLE(D, deliver),
788 BIT_TABLE(D, dns),
789 BIT_TABLE(D, dnsbl),
790 BIT_TABLE(D, exec),
791 BIT_TABLE(D, expand),
792 BIT_TABLE(D, filter),
793 BIT_TABLE(D, hints_lookup),
794 BIT_TABLE(D, host_lookup),
795 BIT_TABLE(D, ident),
796 BIT_TABLE(D, interface),
797 BIT_TABLE(D, lists),
798 BIT_TABLE(D, load),
799 BIT_TABLE(D, local_scan),
800 BIT_TABLE(D, lookup),
801 BIT_TABLE(D, memory),
802 BIT_TABLE(D, noutf8),
803 BIT_TABLE(D, pid),
804 BIT_TABLE(D, process_info),
805 BIT_TABLE(D, queue_run),
806 BIT_TABLE(D, receive),
807 BIT_TABLE(D, resolver),
808 BIT_TABLE(D, retry),
809 BIT_TABLE(D, rewrite),
810 BIT_TABLE(D, route),
811 BIT_TABLE(D, timestamp),
812 BIT_TABLE(D, tls),
813 BIT_TABLE(D, transport),
814 BIT_TABLE(D, uid),
815 BIT_TABLE(D, verify),
420a0d19 816};
2ea97746
CE		 817int debug_options_count = nelem(debug_options);
818
420a0d19
CE		 819unsigned int debug_selector = 0;
820int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
821uschar *delay_warning_condition=
822 US"${if or {"
823 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
824 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
825 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
826 "} {no}{yes}}";
420a0d19
CE		 827uschar *deliver_address_data = NULL;
828int deliver_datafile = -1;
2ea97746 829const uschar *deliver_domain = NULL;
420a0d19 830uschar *deliver_domain_data = NULL;
2ea97746
CE		 831const uschar *deliver_domain_orig = NULL;
832const uschar *deliver_domain_parent = NULL;
420a0d19
CE		 833time_t deliver_frozen_at = 0;
834uschar *deliver_home = NULL;
2ea97746
CE		 835const uschar *deliver_host = NULL;
836const uschar *deliver_host_address = NULL;
837int deliver_host_port = 0;
420a0d19
CE		 838uschar *deliver_in_buffer = NULL;
839ino_t deliver_inode = 0;
840uschar *deliver_localpart = NULL;
841uschar *deliver_localpart_data = NULL;
842uschar *deliver_localpart_orig = NULL;
843uschar *deliver_localpart_parent = NULL;
844uschar *deliver_localpart_prefix = NULL;
845uschar *deliver_localpart_suffix = NULL;
420a0d19
CE		 846uschar *deliver_out_buffer = NULL;
847int deliver_queue_load_max = -1;
848address_item *deliver_recipients = NULL;
849uschar *deliver_selectstring = NULL;
420a0d19 850uschar *deliver_selectstring_sender = NULL;
420a0d19
CE		 851
852#ifndef DISABLE_DKIM
2ea97746 853unsigned dkim_collect_input = 0;
420a0d19 854uschar *dkim_cur_signer = NULL;
2ea97746
CE		 855int dkim_key_length = 0;
856void *dkim_signatures = NULL;
420a0d19
CE		 857uschar *dkim_signers = NULL;
858uschar *dkim_signing_domain = NULL;
859uschar *dkim_signing_selector = NULL;
2ea97746 860uschar *dkim_verify_overall = NULL;
420a0d19 861uschar *dkim_verify_signers = US"$dkim_signers";
2ea97746
CE		 862uschar *dkim_verify_status = NULL;
863uschar *dkim_verify_reason = NULL;
420a0d19
CE		 864#endif
865#ifdef EXPERIMENTAL_DMARC
420a0d19
CE		 866uschar *dmarc_domain_policy = NULL;
867uschar *dmarc_forensic_sender = NULL;
868uschar *dmarc_history_file = NULL;
869uschar *dmarc_status = NULL;
870uschar *dmarc_status_text = NULL;
871uschar *dmarc_tld_file = NULL;
872uschar *dmarc_used_domain = NULL;
420a0d19
CE		 873#endif
874
875uschar *dns_again_means_nonexist = NULL;
876int dns_csa_search_limit = 5;
2ea97746
CE		 877int dns_cname_loops = 1;
878#ifdef SUPPORT_DANE
879int dns_dane_ok = -1;
880#endif
420a0d19
CE		 881uschar *dns_ipv4_lookup = NULL;
882int dns_retrans = 0;
883int dns_retry = 0;
884int dns_dnssec_ok = -1; /* <0 = not coerced */
2ea97746 885uschar *dns_trust_aa = NULL;
420a0d19
CE		 886int dns_use_edns0 = -1; /* <0 = not coerced */
887uschar *dnslist_domain = NULL;
888uschar *dnslist_matched = NULL;
889uschar *dnslist_text = NULL;
890uschar *dnslist_value = NULL;
891tree_node *domainlist_anchor = NULL;
892int domainlist_count = 0;
420a0d19
CE		 893uschar *dsn_from = US DEFAULT_DSN_FROM;
894
420a0d19
CE		 895int errno_quota = ERRNO_QUOTA;
896uschar *errors_copy = NULL;
897int error_handling = ERRORS_SENDER;
898uschar *errors_reply_to = NULL;
899int errors_sender_rc = EXIT_FAILURE;
2ea97746
CE		 900#ifndef DISABLE_EVENT
901uschar *event_action = NULL; /* expansion for delivery events */
902uschar *event_data = NULL; /* auxiliary data variable for event */
903int event_defer_errno = 0;
904const uschar *event_name = NULL; /* event name variable */
905#endif
906
420a0d19
CE		 907
908gid_t exim_gid = EXIM_GID;
420a0d19
CE		 909uschar *exim_path = US BIN_DIRECTORY "/exim"
910 "\0<---------------Space to patch exim_path->";
911uid_t exim_uid = EXIM_UID;
2ea97746 912int expand_level = 0; /* Nesting depth, indent for debug */
420a0d19
CE		 913int expand_forbid = 0;
914int expand_nlength[EXPAND_MAXN+1];
915int expand_nmax = -1;
916uschar *expand_nstring[EXPAND_MAXN+1];
420a0d19 917uschar *expand_string_message;
420a0d19
CE		 918uschar *extra_local_interfaces = NULL;
919
920int fake_response = OK;
921uschar *fake_response_text = US"Your message has been rejected but is "
922 "being kept for evaluation.\nIf it was a "
923 "legitimate message, it may still be "
924 "delivered to the target recipient(s).";
925int filter_n[FILTER_VARIABLE_COUNT];
420a0d19
CE		 926int filter_sn[FILTER_VARIABLE_COUNT];
927int filter_test = FTEST_NONE;
928uschar *filter_test_sfile = NULL;
929uschar *filter_test_ufile = NULL;
930uschar *filter_thisaddress = NULL;
931int finduser_retries = 0;
420a0d19
CE		 932uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
933uschar *freeze_tell = NULL;
934uschar *freeze_tell_config = NULL;
935uschar *fudged_queue_times = US"";
936
937uschar *gecos_name = NULL;
938uschar *gecos_pattern = NULL;
939rewrite_rule *global_rewrite_rules = NULL;
940
2ea97746
CE		 941volatile sig_atomic_t had_command_timeout = 0;
942volatile sig_atomic_t had_command_sigterm = 0;
943volatile sig_atomic_t had_data_timeout = 0;
944volatile sig_atomic_t had_data_sigint = 0;
420a0d19
CE		 945uschar *headers_charset = US HEADERS_CHARSET;
946int header_insert_maxlen = 64 * 1024;
947header_line *header_last = NULL;
948header_line *header_list = NULL;
949int header_maxsize = HEADER_MAXSIZE;
950int header_line_maxsize = 0;
951
952header_name header_names[] = {
2ea97746
CE		 953 /* name len allow_resent htype */
954 { US"bcc", 3, TRUE, htype_bcc },
955 { US"cc", 2, TRUE, htype_cc },
956 { US"date", 4, TRUE, htype_date },
957 { US"delivery-date", 13, FALSE, htype_delivery_date },
958 { US"envelope-to", 11, FALSE, htype_envelope_to },
959 { US"from", 4, TRUE, htype_from },
960 { US"message-id", 10, TRUE, htype_id },
961 { US"received", 8, FALSE, htype_received },
962 { US"reply-to", 8, FALSE, htype_reply_to },
963 { US"return-path", 11, FALSE, htype_return_path },
964 { US"sender", 6, TRUE, htype_sender },
965 { US"subject", 7, FALSE, htype_subject },
966 { US"to", 2, TRUE, htype_to }
420a0d19
CE		 967};
968
2ea97746 969int header_names_size = nelem(header_names);
420a0d19 970
420a0d19
CE		 971uschar *helo_accept_junk_hosts = NULL;
972uschar *helo_allow_chars = US"";
973uschar *helo_lookup_domains = US"@ : @[]";
974uschar *helo_try_verify_hosts = NULL;
420a0d19
CE		 975uschar *helo_verify_hosts = NULL;
976const uschar *hex_digits = CUS"0123456789abcdef";
977uschar *hold_domains = NULL;
420a0d19 978uschar *host_data = NULL;
420a0d19 979uschar *host_lookup = NULL;
420a0d19
CE		 980uschar *host_lookup_order = US"bydns:byaddr";
981uschar *host_lookup_msg = US"";
982int host_number = 0;
983uschar *host_number_string = NULL;
984uschar *host_reject_connection = NULL;
985tree_node *hostlist_anchor = NULL;
986int hostlist_count = 0;
987uschar *hosts_treat_as_local = NULL;
988uschar *hosts_connection_nolog = NULL;
989
990int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
420a0d19 991uschar *ignore_fromline_hosts = NULL;
420a0d19 992int inetd_wait_timeout = -1;
2ea97746 993uschar *initial_cwd = NULL;
420a0d19
CE		 994uschar *interface_address = NULL;
995int interface_port = -1;
420a0d19
CE		 996uschar *iterate_item = NULL;
997
998int journal_fd = -1;
999
188b6fee
CE		 1000uschar *keep_environment = NULL;
1001
420a0d19
CE		 1002int keep_malformed = 4*24*60*60; /* 4 days */
1003
1004uschar *eldap_dn = NULL;
1005int load_average = -2;
420a0d19
CE		 1006uschar *local_from_prefix = NULL;
1007uschar *local_from_suffix = NULL;
1008
1009#if HAVE_IPV6
1010uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1011#else
1012uschar *local_interfaces = US"0.0.0.0";
1013#endif
1014
2ea97746 1015#ifdef HAVE_LOCAL_SCAN
420a0d19
CE		 1016uschar *local_scan_data = NULL;
1017int local_scan_timeout = 5*60;
2ea97746 1018#endif
420a0d19
CE		 1019gid_t local_user_gid = (gid_t)(-1);
1020uid_t local_user_uid = (uid_t)(-1);
1021
1022tree_node *localpartlist_anchor= NULL;
1023int localpartlist_count = 0;
1024uschar *log_buffer = NULL;
2ea97746
CE		 1025
1026int log_default[] = { /* for initializing log_selector */
1027 Li_acl_warn_skipped,
1028 Li_connection_reject,
1029 Li_delay_delivery,
1030 Li_dkim,
1031 Li_dnslist_defer,
1032 Li_etrn,
1033 Li_host_lookup_failed,
1034 Li_lost_incoming_connection,
1035 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1036 Li_queue_run,
1037 Li_rejected_header,
1038 Li_retry_defer,
1039 Li_sender_verify_fail,
1040 Li_size_reject,
1041 Li_skip_delivery,
1042 Li_smtp_confirmation,
1043 Li_tls_certificate_verified,
1044 Li_tls_cipher,
1045 -1
1046};
1047
420a0d19
CE		 1048uschar *log_file_path = US LOG_FILE_PATH
1049 "\0<--------------Space to patch log_file_path->";
1050
2ea97746
CE		 1051int log_notall[] = {
1052 -1
420a0d19 1053};
2ea97746
CE		 1054bit_table log_options[] = { /* must be in alphabetical order */
1055 BIT_TABLE(L, 8bitmime),
1056 BIT_TABLE(L, acl_warn_skipped),
1057 BIT_TABLE(L, address_rewrite),
1058 BIT_TABLE(L, all),
1059 BIT_TABLE(L, all_parents),
1060 BIT_TABLE(L, arguments),
1061 BIT_TABLE(L, connection_reject),
1062 BIT_TABLE(L, delay_delivery),
1063 BIT_TABLE(L, deliver_time),
1064 BIT_TABLE(L, delivery_size),
1065#ifndef DISABLE_DKIM
1066 BIT_TABLE(L, dkim),
1067 BIT_TABLE(L, dkim_verbose),
1068#endif
1069 BIT_TABLE(L, dnslist_defer),
1070 BIT_TABLE(L, dnssec),
1071 BIT_TABLE(L, etrn),
1072 BIT_TABLE(L, host_lookup_failed),
1073 BIT_TABLE(L, ident_timeout),
1074 BIT_TABLE(L, incoming_interface),
1075 BIT_TABLE(L, incoming_port),
1076 BIT_TABLE(L, lost_incoming_connection),
1077 BIT_TABLE(L, millisec),
1078 BIT_TABLE(L, outgoing_interface),
1079 BIT_TABLE(L, outgoing_port),
1080 BIT_TABLE(L, pid),
1081 BIT_TABLE(L, pipelining),
1082#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1083 BIT_TABLE(L, proxy),
1084#endif
1085 BIT_TABLE(L, queue_run),
1086 BIT_TABLE(L, queue_time),
1087 BIT_TABLE(L, queue_time_overall),
1088 BIT_TABLE(L, receive_time),
1089 BIT_TABLE(L, received_recipients),
1090 BIT_TABLE(L, received_sender),
1091 BIT_TABLE(L, rejected_header),
1092 { US"rejected_headers", Li_rejected_header },
1093 BIT_TABLE(L, retry_defer),
1094 BIT_TABLE(L, return_path_on_delivery),
1095 BIT_TABLE(L, sender_on_delivery),
1096 BIT_TABLE(L, sender_verify_fail),
1097 BIT_TABLE(L, size_reject),
1098 BIT_TABLE(L, skip_delivery),
1099 BIT_TABLE(L, smtp_confirmation),
1100 BIT_TABLE(L, smtp_connection),
1101 BIT_TABLE(L, smtp_incomplete_transaction),
1102 BIT_TABLE(L, smtp_mailauth),
1103 BIT_TABLE(L, smtp_no_mail),
1104 BIT_TABLE(L, smtp_protocol_error),
1105 BIT_TABLE(L, smtp_syntax_error),
1106 BIT_TABLE(L, subject),
1107 BIT_TABLE(L, tls_certificate_verified),
1108 BIT_TABLE(L, tls_cipher),
1109 BIT_TABLE(L, tls_peerdn),
1110 BIT_TABLE(L, tls_sni),
1111 BIT_TABLE(L, unknown_in_list),
1112};
1113int log_options_count = nelem(log_options);
420a0d19 1114
420a0d19 1115int log_reject_target = 0;
2ea97746 1116unsigned int log_selector[log_selector_size]; /* initialized in main() */
420a0d19
CE		 1117uschar *log_selector_string = NULL;
1118FILE *log_stderr = NULL;
420a0d19
CE		 1119uschar *login_sender_address = NULL;
1120uschar *lookup_dnssec_authenticated = NULL;
1121int lookup_open_max = 25;
1122uschar *lookup_value = NULL;
1123
2ea97746 1124macro_item *macros_user = NULL;
420a0d19
CE		 1125uschar *mailstore_basename = NULL;
1126#ifdef WITH_CONTENT_SCAN
1127uschar *malware_name = NULL; /* Virus Name */
1128#endif
1129int max_received_linelength= 0;
1130int max_username_length = 0;
1131int message_age = 0;
1132uschar *message_body = NULL;
1133uschar *message_body_end = NULL;
420a0d19
CE		 1134int message_body_size = 0;
1135int message_body_visible = 500;
1136int message_ended = END_NOTSTARTED;
1137uschar *message_headers = NULL;
1138uschar *message_id;
1139uschar *message_id_domain = NULL;
1140uschar *message_id_text = NULL;
1141struct timeval message_id_tv = { 0, 0 };
1142uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1143uschar *message_id_external;
1144int message_linecount = 0;
420a0d19
CE		 1145int message_size = 0;
1146uschar *message_size_limit = US"50M";
2ea97746
CE		 1147#ifdef SUPPORT_I18N
1148int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1149#endif
420a0d19
CE		 1150uschar message_subdir[2] = { 0, 0 };
1151uschar *message_reference = NULL;
1152
1153/* MIME ACL expandables */
1154#ifdef WITH_CONTENT_SCAN
1155int mime_anomaly_level = 0;
1156const uschar *mime_anomaly_text = NULL;
1157uschar *mime_boundary = NULL;
1158uschar *mime_charset = NULL;
1159uschar *mime_content_description = NULL;
1160uschar *mime_content_disposition = NULL;
1161uschar *mime_content_id = NULL;
1162unsigned int mime_content_size = 0;
1163uschar *mime_content_transfer_encoding = NULL;
1164uschar *mime_content_type = NULL;
1165uschar *mime_decoded_filename = NULL;
1166uschar *mime_filename = NULL;
1167int mime_is_multipart = 0;
1168int mime_is_coverletter = 0;
1169int mime_is_rfc822 = 0;
1170int mime_part_count = -1;
1171#endif
1172
420a0d19 1173uid_t *never_users = NULL;
2ea97746
CE		 1174
1175const int on = 1; /* for setsockopt */
1176const int off = 0;
420a0d19
CE		 1177
1178uid_t original_euid;
1179gid_t originator_gid;
1180uschar *originator_login = NULL;
1181uschar *originator_name = NULL;
1182uid_t originator_uid;
1183uschar *override_local_interfaces = NULL;
1184uschar *override_pid_file_path = NULL;
1185
420a0d19
CE		 1186uschar *percent_hack_domains = NULL;
1187uschar *pid_file_path = US PID_FILE_PATH
1188 "\0<--------------Space to patch pid_file_path->";
2ea97746
CE		 1189#ifdef EXPERIMENTAL_PIPE_CONNECT
1190uschar *pipe_connect_advertise_hosts = US"*";
1191#endif
420a0d19 1192uschar *pipelining_advertise_hosts = US"*";
420a0d19 1193uschar *primary_hostname = NULL;
420a0d19
CE		 1194uschar process_info[PROCESS_INFO_SIZE];
1195int process_info_len = 0;
1196uschar *process_log_path = NULL;
420a0d19 1197
2ea97746
CE		 1198#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1199uschar *hosts_proxy = NULL;
1200uschar *proxy_external_address = NULL;
1201int proxy_external_port = 0;
1202uschar *proxy_local_address = NULL;
1203int proxy_local_port = 0;
420a0d19
CE		 1204#endif
1205
1206uschar *prvscheck_address = NULL;
1207uschar *prvscheck_keynum = NULL;
1208uschar *prvscheck_result = NULL;
1209
1210
2ea97746 1211const uschar *qualify_domain_recipient = NULL;
420a0d19 1212uschar *qualify_domain_sender = NULL;
420a0d19
CE		 1213uschar *queue_domains = NULL;
1214int queue_interval = -1;
2ea97746 1215uschar *queue_name = US"";
420a0d19
CE		 1216uschar *queue_only_file = NULL;
1217int queue_only_load = -1;
2ea97746 1218uschar *queue_run_max = US"5";
420a0d19
CE		 1219pid_t queue_run_pid = (pid_t)0;
1220int queue_run_pipe = -1;
420a0d19
CE		 1221uschar *queue_smtp_domains = NULL;
1222
2ea97746 1223uint32_t random_seed = 0;
420a0d19
CE		 1224tree_node *ratelimiters_cmd = NULL;
1225tree_node *ratelimiters_conn = NULL;
1226tree_node *ratelimiters_mail = NULL;
1227uschar *raw_active_hostname = NULL;
1228uschar *raw_sender = NULL;
1229uschar **raw_recipients = NULL;
1230int raw_recipients_count = 0;
1231
1232int rcpt_count = 0;
1233int rcpt_fail_count = 0;
1234int rcpt_defer_count = 0;
1235gid_t real_gid;
1236uid_t real_uid;
420a0d19
CE		 1237int receive_linecount = 0;
1238int receive_messagecount = 0;
1239int receive_timeout = 0;
1240int received_count = 0;
1241uschar *received_for = NULL;
1242
1243/* This is the default text for Received headers generated by Exim. The
1244date will be automatically added on the end. */
1245
1246uschar *received_header_text = US
1247 "Received: "
1248 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1249 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1250 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1251 "by $primary_hostname "
1252 "${if def:received_protocol {with $received_protocol}} "
1253 #ifdef SUPPORT_TLS
1254 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1255 #endif
1256 "(Exim $version_number)\n\t"
1257 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1258 "id $message_exim_id"
1259 "${if def:received_for {\n\tfor $received_for}}"
1260 "\0<---------------Space to patch received_header_text->";
1261
1262int received_headers_max = 30;
1263uschar *received_protocol = NULL;
2ea97746
CE		 1264struct timeval received_time = { 0, 0 };
1265struct timeval received_time_taken = { 0, 0 };
420a0d19
CE		 1266uschar *recipient_data = NULL;
1267uschar *recipient_unqualified_hosts = NULL;
1268uschar *recipient_verify_failure = NULL;
1269int recipients_count = 0;
420a0d19
CE		 1270recipient_item *recipients_list = NULL;
1271int recipients_list_max = 0;
1272int recipients_max = 0;
420a0d19
CE		 1273const pcre *regex_AUTH = NULL;
1274const pcre *regex_check_dns_names = NULL;
1275const pcre *regex_From = NULL;
1276const pcre *regex_IGNOREQUOTA = NULL;
1277const pcre *regex_PIPELINING = NULL;
1278const pcre *regex_SIZE = NULL;
2ea97746
CE		 1279#ifdef EXPERIMENTAL_PIPE_CONNECT
1280const pcre *regex_EARLY_PIPE = NULL;
1281#endif
420a0d19 1282const pcre *regex_ismsgid = NULL;
2ea97746
CE		 1283const pcre *regex_smtp_code = NULL;
1284uschar *regex_vars[REGEX_VARS];
420a0d19
CE		 1285#ifdef WHITELIST_D_MACROS
1286const pcre *regex_whitelisted_macro = NULL;
1287#endif
1288#ifdef WITH_CONTENT_SCAN
1289uschar *regex_match_string = NULL;
1290#endif
1291int remote_delivery_count = 0;
1292int remote_max_parallel = 2;
1293uschar *remote_sort_domains = NULL;
1294int retry_data_expire = 7*24*60*60;
1295int retry_interval_max = 24*60*60;
1296int retry_maximum_timeout = 0; /* set from retry config */
1297retry_config *retries = NULL;
1298uschar *return_path = NULL;
420a0d19 1299int rewrite_existflags = 0;
2ea97746
CE		 1300uschar *rfc1413_hosts = US"@[]";
1301int rfc1413_query_timeout = 0;
420a0d19
CE		 1302uid_t root_gid = ROOT_GID;
1303uid_t root_uid = ROOT_UID;
1304
1305router_instance *routers = NULL;
1306router_instance router_defaults = {
2ea97746
CE		 1307 .next = NULL,
1308 .name = NULL,
1309 .info = NULL,
1310 .options_block = NULL,
1311 .driver_name = NULL,
420a0d19 1312
2ea97746 1313 .address_data = NULL,
420a0d19 1314#ifdef EXPERIMENTAL_BRIGHTMAIL
2ea97746
CE		 1315 .bmi_rule = NULL,
1316#endif
1317 .cannot_route_message = NULL,
1318 .condition = NULL,
1319 .current_directory = NULL,
1320 .debug_string = NULL,
1321 .domains = NULL,
1322 .errors_to = NULL,
1323 .expand_gid = NULL,
1324 .expand_uid = NULL,
1325 .expand_more = NULL,
1326 .expand_unseen = NULL,
1327 .extra_headers = NULL,
1328 .fallback_hosts = NULL,
1329 .home_directory = NULL,
1330 .ignore_target_hosts = NULL,
1331 .local_parts = NULL,
1332 .pass_router_name = NULL,
1333 .prefix = NULL,
1334 .redirect_router_name = NULL,
1335 .remove_headers = NULL,
1336 .require_files = NULL,
1337 .router_home_directory = NULL,
1338 .self = US"freeze",
1339 .senders = NULL,
1340 .suffix = NULL,
1341 .translate_ip_address = NULL,
1342 .transport_name = NULL,
1343
1344 .address_test = TRUE,
420a0d19 1345#ifdef EXPERIMENTAL_BRIGHTMAIL
2ea97746
CE		 1346 .bmi_deliver_alternate = FALSE,
1347 .bmi_deliver_default = FALSE,
1348 .bmi_dont_deliver = FALSE,
1349#endif
1350 .expn = TRUE,
1351 .caseful_local_part = FALSE,
1352 .check_local_user = FALSE,
1353 .disable_logging = FALSE,
1354 .fail_verify_recipient = FALSE,
1355 .fail_verify_sender = FALSE,
1356 .gid_set = FALSE,
1357 .initgroups = FALSE,
1358 .log_as_local = TRUE_UNSET,
1359 .more = TRUE,
1360 .pass_on_timeout = FALSE,
1361 .prefix_optional = FALSE,
1362 .repeat_use = TRUE,
1363 .retry_use_local_part = TRUE_UNSET,
1364 .same_domain_copy_routing = FALSE,
1365 .self_rewrite = FALSE,
1366 .suffix_optional = FALSE,
1367 .verify_only = FALSE,
1368 .verify_recipient = TRUE,
1369 .verify_sender = TRUE,
1370 .uid_set = FALSE,
1371 .unseen = FALSE,
1372 .dsn_lasthop = FALSE,
1373
1374 .self_code = self_freeze,
1375 .uid = (uid_t)(-1),
1376 .gid = (gid_t)(-1),
1377
1378 .fallback_hostlist = NULL,
1379 .transport = NULL,
1380 .pass_router = NULL,
1381 .redirect_router = NULL,
1382
1383 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
420a0d19
CE		 1384};
1385
1386uschar *router_name = NULL;
1387
1388ip_address_item *running_interfaces = NULL;
420a0d19
CE		 1389
1390/* This is a weird one. The following string gets patched in the binary by the
1391script that sets up a copy of Exim for running in the test harness. It seems
1392that compilers are now clever, and share constant strings if they can.
1393Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1394make use of the end of this string in order to save space. So the patching then
1395wrecks this. We defeat this optimization by adding some additional characters
1396onto the end of the string. */
1397
1398uschar *running_status = US">>>running<<<" "\0EXTRA";
1399
1400int runrc = 0;
1401
1402uschar *search_error_message = NULL;
420a0d19
CE		 1403uschar *self_hostname = NULL;
1404uschar *sender_address = NULL;
1405unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1406uschar *sender_address_data = NULL;
420a0d19
CE		 1407uschar *sender_address_unrewritten = NULL;
1408uschar *sender_data = NULL;
1409unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1410uschar *sender_fullhost = NULL;
1411uschar *sender_helo_name = NULL;
1412uschar **sender_host_aliases = &no_aliases;
1413uschar *sender_host_address = NULL;
1414uschar *sender_host_authenticated = NULL;
2ea97746 1415uschar *sender_host_auth_pubname = NULL;
420a0d19 1416unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
420a0d19
CE		 1417uschar *sender_host_name = NULL;
1418int sender_host_port = 0;
420a0d19 1419uschar *sender_ident = NULL;
420a0d19
CE		 1420uschar *sender_rate = NULL;
1421uschar *sender_rate_limit = NULL;
1422uschar *sender_rate_period = NULL;
1423uschar *sender_rcvhost = NULL;
420a0d19
CE		 1424uschar *sender_unqualified_hosts = NULL;
1425uschar *sender_verify_failure = NULL;
1426address_item *sender_verified_list = NULL;
1427address_item *sender_verified_failed = NULL;
1428int sender_verified_rc = -1;
420a0d19
CE		 1429uschar *sending_ip_address = NULL;
1430int sending_port = -1;
1431SIGNAL_BOOL sigalrm_seen = FALSE;
2ea97746 1432const uschar *sigalarm_setter = NULL;
420a0d19 1433uschar **sighup_argv = NULL;
2ea97746 1434int slow_lookup_log = 0; /* millisecs, zero disables */
420a0d19 1435int smtp_accept_count = 0;
420a0d19
CE		 1436int smtp_accept_max = 20;
1437int smtp_accept_max_nonmail= 10;
1438uschar *smtp_accept_max_nonmail_hosts = US"*";
1439int smtp_accept_max_per_connection = 1000;
1440uschar *smtp_accept_max_per_host = NULL;
1441int smtp_accept_queue = 0;
1442int smtp_accept_queue_per_connection = 10;
1443int smtp_accept_reserve = 0;
1444uschar *smtp_active_hostname = NULL;
420a0d19
CE		 1445uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1446 "Exim $version_number $tod_full"
1447 "\0<---------------Space to patch smtp_banner->";
420a0d19
CE		 1448int smtp_ch_index = 0;
1449uschar *smtp_cmd_argument = NULL;
1450uschar *smtp_cmd_buffer = NULL;
2ea97746 1451struct timeval smtp_connection_start = {0,0};
420a0d19
CE		 1452uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1453int smtp_connect_backlog = 20;
1454double smtp_delay_mail = 0.0;
1455double smtp_delay_rcpt = 0.0;
420a0d19 1456FILE *smtp_in = NULL;
420a0d19
CE		 1457int smtp_load_reserve = -1;
1458int smtp_mailcmd_count = 0;
1459FILE *smtp_out = NULL;
1460uschar *smtp_etrn_command = NULL;
420a0d19
CE		 1461int smtp_max_synprot_errors= 3;
1462int smtp_max_unknown_commands = 3;
1463uschar *smtp_notquit_reason = NULL;
1464uschar *smtp_ratelimit_hosts = NULL;
1465uschar *smtp_ratelimit_mail = NULL;
1466uschar *smtp_ratelimit_rcpt = NULL;
1467uschar *smtp_read_error = US"";
1468int smtp_receive_timeout = 5*60;
2ea97746 1469uschar *smtp_receive_timeout_s = NULL;
420a0d19 1470uschar *smtp_reserve_hosts = NULL;
420a0d19
CE		 1471int smtp_rlm_base = 0;
1472double smtp_rlm_factor = 0.0;
1473int smtp_rlm_limit = 0;
1474int smtp_rlm_threshold = INT_MAX;
1475int smtp_rlr_base = 0;
1476double smtp_rlr_factor = 0.0;
1477int smtp_rlr_limit = 0;
1478int smtp_rlr_threshold = INT_MAX;
2ea97746
CE		 1479unsigned smtp_peer_options = 0;
1480unsigned smtp_peer_options_wrap= 0;
1481#ifdef SUPPORT_I18N
1482uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1483#endif
420a0d19
CE		 1484
1485#ifdef WITH_CONTENT_SCAN
1486uschar *spamd_address = US"127.0.0.1 783";
1487uschar *spam_bar = NULL;
1488uschar *spam_report = NULL;
2ea97746 1489uschar *spam_action = NULL;
420a0d19
CE		 1490uschar *spam_score = NULL;
1491uschar *spam_score_int = NULL;
1492#endif
2ea97746 1493#ifdef SUPPORT_SPF
420a0d19
CE		 1494uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1495uschar *spf_header_comment = NULL;
1496uschar *spf_received = NULL;
1497uschar *spf_result = NULL;
1498uschar *spf_smtp_comment = NULL;
1499#endif
1500
2ea97746 1501FILE *spool_data_file = NULL;
420a0d19
CE		 1502uschar *spool_directory = US SPOOL_DIRECTORY
1503 "\0<--------------Space to patch spool_directory->";
1504#ifdef EXPERIMENTAL_SRS
1505uschar *srs_config = NULL;
1506uschar *srs_db_address = NULL;
1507uschar *srs_db_key = NULL;
1508int srs_hashlength = 6;
1509int srs_hashmin = -1;
1510int srs_maxage = 31;
1511uschar *srs_orig_recipient = NULL;
1512uschar *srs_orig_sender = NULL;
1513uschar *srs_recipient = NULL;
1514uschar *srs_secrets = NULL;
1515uschar *srs_status = NULL;
420a0d19 1516#endif
420a0d19
CE		 1517int string_datestamp_offset= -1;
1518int string_datestamp_length= 0;
1519int string_datestamp_type = -1;
420a0d19 1520uschar *submission_domain = NULL;
420a0d19 1521uschar *submission_name = NULL;
420a0d19
CE		 1522int syslog_facility = LOG_MAIL;
1523uschar *syslog_processname = US"exim";
420a0d19
CE		 1524uschar *system_filter = NULL;
1525
1526uschar *system_filter_directory_transport = NULL;
1527uschar *system_filter_file_transport = NULL;
1528uschar *system_filter_pipe_transport = NULL;
1529uschar *system_filter_reply_transport = NULL;
1530
1531gid_t system_filter_gid = 0;
420a0d19 1532uid_t system_filter_uid = (uid_t)-1;
420a0d19 1533
2ea97746
CE		 1534blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1535tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
420a0d19
CE		 1536#ifdef USE_TCP_WRAPPERS
1537uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1538#endif
1539int test_harness_load_avg = 0;
1540int thismessage_size_limit = 0;
1541int timeout_frozen_after = 0;
420a0d19
CE		 1542
1543transport_instance *transports = NULL;
1544
1545transport_instance transport_defaults = {
2ea97746
CE		 1546 .next = NULL,
1547 .name = NULL,
1548 .info = NULL,
1549 .options_block = NULL,
1550 .driver_name = NULL,
1551 .setup = NULL,
1552 .batch_max = 1,
1553 .batch_id = NULL,
1554 .home_dir = NULL,
1555 .current_dir = NULL,
1556 .expand_multi_domain = NULL,
1557 .multi_domain = TRUE,
1558 .overrides_hosts = FALSE,
1559 .max_addresses = 100,
1560 .connection_max_messages = 500,
1561 .deliver_as_creator = FALSE,
1562 .disable_logging = FALSE,
1563 .initgroups = FALSE,
1564 .uid_set = FALSE,
1565 .gid_set = FALSE,
1566 .uid = (uid_t)(-1),
1567 .gid = (gid_t)(-1),
1568 .expand_uid = NULL,
1569 .expand_gid = NULL,
1570 .warn_message = NULL,
1571 .shadow = NULL,
1572 .shadow_condition = NULL,
1573 .filter_command = NULL,
1574 .add_headers = NULL,
1575 .remove_headers = NULL,
1576 .return_path = NULL,
1577 .debug_string = NULL,
1578 .max_parallel = NULL,
1579 .message_size_limit = NULL,
1580 .headers_rewrite = NULL,
1581 .rewrite_rules = NULL,
1582 .rewrite_existflags = 0,
1583 .filter_timeout = 300,
1584 .body_only = FALSE,
1585 .delivery_date_add = FALSE,
1586 .envelope_to_add = FALSE,
1587 .headers_only = FALSE,
1588 .rcpt_include_affixes = FALSE,
1589 .return_path_add = FALSE,
1590 .return_output = FALSE,
1591 .return_fail_output = FALSE,
1592 .log_output = FALSE,
1593 .log_fail_output = FALSE,
1594 .log_defer_output = FALSE,
1595 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1596 1 nor 0 so can detect unset */
1597#ifndef DISABLE_EVENT
1598 .event_action = NULL
420a0d19
CE		 1599#endif
1600};
1601
1602int transport_count;
1603uschar *transport_name = NULL;
1604int transport_newlines;
2ea97746 1605const uschar **transport_filter_argv = NULL;
420a0d19 1606int transport_filter_timeout;
420a0d19
CE		 1607int transport_write_timeout= 0;
1608
1609tree_node *tree_dns_fails = NULL;
1610tree_node *tree_duplicates = NULL;
1611tree_node *tree_nonrecipients = NULL;
1612tree_node *tree_unusable = NULL;
1613
420a0d19
CE		 1614gid_t *trusted_groups = NULL;
1615uid_t *trusted_users = NULL;
1616uschar *timezone_string = US TIMEZONE_DEFAULT;
1617
1618uschar *unknown_login = NULL;
1619uschar *unknown_username = NULL;
1620uschar *untrusted_set_sender = NULL;
1621
1622/* A regex for matching a "From_" line in an incoming message, in the form
1623
1624 From ph10 Fri Jan 5 12:35 GMT 1996
1625
1626which the "mail" commands send to the MTA (undocumented, of course), or in
1627the form
1628
1629 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1630
1631which is apparently used by some UUCPs, despite it not being in RFC 976.
1632Because of variations in time formats, just match up to the minutes. That
1633should be sufficient. Examples have been seen of time fields like 12:1:03,
1634so just require one digit for hours and minutes. The weekday is also absent
1635in some forms. */
1636
1637uschar *uucp_from_pattern = US
1638 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1639 "(?:" /* Non-extracting bracket */
1640 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1641 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1642 ")" /* End alternation */
1643 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1644
1645uschar *uucp_from_sender = US"$1";
1646
2ea97746 1647uschar *verify_mode = NULL;
420a0d19 1648uschar *version_copyright =
2ea97746
CE		 1649 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1650 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
420a0d19
CE		 1651uschar *version_date = US"?";
1652uschar *version_cnumber = US"????";
1653uschar *version_string = US"?";
1654
2ea97746 1655uschar *warn_message_file = NULL;
420a0d19 1656int warning_count = 0;
2ea97746
CE		 1657uschar *warnmsg_delay = NULL;
1658uschar *warnmsg_recipients = NULL;
1659
420a0d19
CE		 1660
1661/* End of globals.c */
exim4 packaging