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DMARC: default dmarc_tld_file to unset. Bug 2494
[exim.git] / src / src / globals.c
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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
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
38int optionlist_auths_size = nelem(optionlist_auths);
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;
52BOOL opt_perl_taintmode = FALSE;
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
87#ifdef LOOKUP_REDIS
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
101them. Also, the tls_ variables are now always visible. Note that these are
102only used for smtp connections, not for service-daemon access. */
103
104tls_support tls_in = {
105 .active = {.sock = -1}
106 /* all other elements zero */
107};
108tls_support tls_out = {
109 .active = {.sock = -1},
110 /* all other elements zero */
111};
112
113uschar *dsn_envid = NULL;
114int dsn_ret = 0;
115const pcre *regex_DSN = NULL;
116uschar *dsn_advertise_hosts = NULL;
117
118#ifndef DISABLE_TLS
119BOOL gnutls_compat_mode = FALSE;
120BOOL gnutls_allow_auto_pkcs11 = FALSE;
121uschar *openssl_options = NULL;
122const pcre *regex_STARTTLS = NULL;
123uschar *tls_advertise_hosts = US"*";
124uschar *tls_certificate = NULL;
125uschar *tls_crl = NULL;
126/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
127that's the interop problem which has been observed: GnuTLS suggesting a higher
128bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
129int tls_dh_max_bits = 2236;
130uschar *tls_dhparam = NULL;
131uschar *tls_eccurve = US"auto";
132# ifndef DISABLE_OCSP
133uschar *tls_ocsp_file = NULL;
134# endif
135uschar *tls_privatekey = NULL;
136BOOL tls_remember_esmtp = FALSE;
137uschar *tls_require_ciphers = NULL;
138# ifdef EXPERIMENTAL_TLS_RESUME
139uschar *tls_resumption_hosts = NULL;
140# endif
141uschar *tls_try_verify_hosts = NULL;
142uschar *tls_verify_certificates= US"system";
143uschar *tls_verify_hosts = NULL;
144#else /*DISABLE_TLS*/
145uschar *tls_advertise_hosts = NULL;
146#endif
147
148#ifndef DISABLE_PRDR
149/* Per Recipient Data Response variables */
150BOOL prdr_enable = FALSE;
151BOOL prdr_requested = FALSE;
152const pcre *regex_PRDR = NULL;
153#endif
154
155#ifdef SUPPORT_I18N
156const pcre *regex_UTF8 = NULL;
157#endif
158
159/* Input-reading functions for messages, so we can use special ones for
160incoming TCP/IP. The defaults use stdin. We never need these for any
161stand-alone tests. */
162
163#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
164int (*lwr_receive_getc)(unsigned) = stdin_getc;
165uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
166int (*lwr_receive_ungetc)(int) = stdin_ungetc;
167int (*receive_getc)(unsigned) = stdin_getc;
168uschar * (*receive_getbuf)(unsigned *) = NULL;
169void (*receive_get_cache)(void)= NULL;
170int (*receive_ungetc)(int) = stdin_ungetc;
171int (*receive_feof)(void) = stdin_feof;
172int (*receive_ferror)(void) = stdin_ferror;
173BOOL (*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
178when verifying one address while routing/verifying another. We have to have
179the size explicit, because it is referenced from more than one module. */
180
181const 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
201int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
202
203/******************************************************************************/
204/* General global variables. Boolean flags are done as a group
205so that only one bit each is needed, packed, for all those we never
206need to take a pointer - and only a char for the rest.
207This means a struct, unfortunately since it clutters the sourcecode. */
208
209struct 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 .tcp_fastopen_ok = FALSE,
316 .tcp_in_fastopen = FALSE,
317 .tcp_in_fastopen_data = FALSE,
318 .tcp_in_fastopen_logged = FALSE,
319 .tcp_out_fastopen_logged= FALSE,
320 .timestamps_utc = FALSE,
321 .transport_filter_timed_out = FALSE,
322 .trusted_caller = FALSE,
323 .trusted_config = TRUE,
324};
325
326/******************************************************************************/
327/* These are the flags which are either variables or mainsection options,
328so an address is needed for access, or are exported to local_scan. */
329
330BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
331BOOL allow_domain_literals = FALSE;
332BOOL allow_mx_to_ip = FALSE;
333BOOL allow_utf8_domains = FALSE;
334BOOL authentication_failed = FALSE;
335
336BOOL bounce_return_body = TRUE;
337BOOL bounce_return_message = TRUE;
338BOOL check_rfc2047_length = TRUE;
339BOOL commandline_checks_require_admin = FALSE;
340
341#ifdef EXPERIMENTAL_DCC
342BOOL dcc_direct_add_header = FALSE;
343#endif
344BOOL debug_store = FALSE;
345BOOL delivery_date_remove = TRUE;
346BOOL deliver_drop_privilege = FALSE;
347#ifdef ENABLE_DISABLE_FSYNC
348BOOL disable_fsync = FALSE;
349#endif
350BOOL disable_ipv6 = FALSE;
351BOOL dns_csa_use_reverse = TRUE;
352BOOL drop_cr = FALSE; /* No longer used */
353
354BOOL envelope_to_remove = TRUE;
355BOOL exim_gid_set = TRUE; /* This gid is always set */
356BOOL exim_uid_set = TRUE; /* This uid is always set */
357BOOL extract_addresses_remove_arguments = TRUE;
358
359BOOL host_checking = FALSE;
360BOOL host_lookup_deferred = FALSE;
361BOOL host_lookup_failed = FALSE;
362BOOL ignore_fromline_local = FALSE;
363
364BOOL local_from_check = TRUE;
365BOOL local_sender_retain = FALSE;
366BOOL log_timezone = FALSE;
367BOOL message_body_newlines = FALSE;
368BOOL message_logs = TRUE;
369#ifdef SUPPORT_I18N
370BOOL message_smtputf8 = FALSE;
371#endif
372BOOL mua_wrapper = FALSE;
373
374BOOL preserve_message_logs = FALSE;
375BOOL print_topbitchars = FALSE;
376BOOL prod_requires_admin = TRUE;
377#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
378BOOL proxy_session = FALSE;
379#endif
380
381BOOL queue_list_requires_admin = TRUE;
382BOOL queue_only = FALSE;
383BOOL queue_only_load_latch = TRUE;
384BOOL queue_only_override = TRUE;
385BOOL queue_run_in_order = FALSE;
386BOOL recipients_max_reject = FALSE;
387BOOL return_path_remove = TRUE;
388
389BOOL smtp_batched_input = FALSE;
390BOOL sender_helo_dnssec = FALSE;
391BOOL sender_host_dnssec = FALSE;
392BOOL smtp_accept_keepalive = TRUE;
393BOOL smtp_check_spool_space = TRUE;
394BOOL smtp_enforce_sync = TRUE;
395BOOL smtp_etrn_serialize = TRUE;
396BOOL smtp_input = FALSE;
397BOOL smtp_return_error_details = FALSE;
398#ifdef SUPPORT_SPF
399BOOL spf_result_guessed = FALSE;
400#endif
401BOOL split_spool_directory = FALSE;
402BOOL spool_wireformat = FALSE;
403#ifdef EXPERIMENTAL_SRS
404BOOL srs_usehash = TRUE;
405BOOL srs_usetimestamp = TRUE;
406#endif
407BOOL strict_acl_vars = FALSE;
408BOOL strip_excess_angle_brackets = FALSE;
409BOOL strip_trailing_dot = FALSE;
410BOOL syslog_duplication = TRUE;
411BOOL syslog_pid = TRUE;
412BOOL syslog_timestamp = TRUE;
413BOOL system_filter_gid_set = FALSE;
414BOOL system_filter_uid_set = FALSE;
415
416BOOL tcp_nodelay = TRUE;
417BOOL write_rejectlog = TRUE;
418
419/******************************************************************************/
420
421header_line *acl_added_headers = NULL;
422tree_node *acl_anchor = NULL;
423uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
424 NULL, NULL, NULL, NULL};
425int acl_narg = 0;
426
427int acl_level = 0;
428
429uschar *acl_not_smtp = NULL;
430#ifdef WITH_CONTENT_SCAN
431uschar *acl_not_smtp_mime = NULL;
432#endif
433uschar *acl_not_smtp_start = NULL;
434uschar *acl_removed_headers = NULL;
435uschar *acl_smtp_auth = NULL;
436uschar *acl_smtp_connect = NULL;
437uschar *acl_smtp_data = NULL;
438#ifndef DISABLE_PRDR
439uschar *acl_smtp_data_prdr = US"accept";
440#endif
441#ifndef DISABLE_DKIM
442uschar *acl_smtp_dkim = NULL;
443#endif
444uschar *acl_smtp_etrn = NULL;
445uschar *acl_smtp_expn = NULL;
446uschar *acl_smtp_helo = NULL;
447uschar *acl_smtp_mail = NULL;
448uschar *acl_smtp_mailauth = NULL;
449#ifdef WITH_CONTENT_SCAN
450uschar *acl_smtp_mime = NULL;
451#endif
452uschar *acl_smtp_notquit = NULL;
453uschar *acl_smtp_predata = NULL;
454uschar *acl_smtp_quit = NULL;
455uschar *acl_smtp_rcpt = NULL;
456uschar *acl_smtp_starttls = NULL;
457uschar *acl_smtp_vrfy = NULL;
458
459tree_node *acl_var_c = NULL;
460tree_node *acl_var_m = NULL;
461uschar *acl_verify_message = NULL;
462string_item *acl_warn_logged = NULL;
463
464/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
465error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
466
467uschar *acl_wherenames[] = { US"RCPT",
468 US"MAIL",
469 US"PREDATA",
470 US"MIME",
471 US"DKIM",
472 US"DATA",
473#ifndef DISABLE_PRDR
474 US"PRDR",
475#endif
476 US"non-SMTP",
477 US"AUTH",
478 US"connection",
479 US"ETRN",
480 US"EXPN",
481 US"EHLO or HELO",
482 US"MAILAUTH",
483 US"non-SMTP-start",
484 US"NOTQUIT",
485 US"QUIT",
486 US"STARTTLS",
487 US"VRFY",
488 US"delivery",
489 US"unknown"
490 };
491
492uschar *acl_wherecodes[] = { US"550", /* RCPT */
493 US"550", /* MAIL */
494 US"550", /* PREDATA */
495 US"550", /* MIME */
496 US"550", /* DKIM */
497 US"550", /* DATA */
498#ifndef DISABLE_PRDR
499 US"550", /* RCPT PRDR */
500#endif
501 US"0", /* not SMTP; not relevant */
502 US"503", /* AUTH */
503 US"550", /* connect */
504 US"458", /* ETRN */
505 US"550", /* EXPN */
506 US"550", /* HELO/EHLO */
507 US"0", /* MAILAUTH; not relevant */
508 US"0", /* not SMTP; not relevant */
509 US"0", /* NOTQUIT; not relevant */
510 US"0", /* QUIT; not relevant */
511 US"550", /* STARTTLS */
512 US"252", /* VRFY */
513 US"0", /* delivery; not relevant */
514 US"0" /* unknown; not relevant */
515 };
516
517uschar *add_environment = NULL;
518address_item *addr_duplicate = NULL;
519
520address_item address_defaults = {
521 .next = NULL,
522 .parent = NULL,
523 .first = NULL,
524 .dupof = NULL,
525 .start_router = NULL,
526 .router = NULL,
527 .transport = NULL,
528 .host_list = NULL,
529 .host_used = NULL,
530 .fallback_hosts = NULL,
531 .reply = NULL,
532 .retries = NULL,
533 .address = NULL,
534 .unique = NULL,
535 .cc_local_part = NULL,
536 .lc_local_part = NULL,
537 .local_part = NULL,
538 .prefix = NULL,
539 .suffix = NULL,
540 .domain = NULL,
541 .address_retry_key = NULL,
542 .domain_retry_key = NULL,
543 .current_dir = NULL,
544 .home_dir = NULL,
545 .message = NULL,
546 .user_message = NULL,
547 .onetime_parent = NULL,
548 .pipe_expandn = NULL,
549 .return_filename = NULL,
550 .self_hostname = NULL,
551 .shadow_message = NULL,
552#ifndef DISABLE_TLS
553 .cipher = NULL,
554 .ourcert = NULL,
555 .peercert = NULL,
556 .peerdn = NULL,
557 .ocsp = OCSP_NOT_REQ,
558#endif
559#ifdef EXPERIMENTAL_DSN_INFO
560 .smtp_greeting = NULL,
561 .helo_response = NULL,
562#endif
563 .authenticator = NULL,
564 .auth_id = NULL,
565 .auth_sndr = NULL,
566 .dsn_orcpt = NULL,
567 .dsn_flags = 0,
568 .dsn_aware = 0,
569 .uid = (uid_t)(-1),
570 .gid = (gid_t)(-1),
571 .flags = { 0 },
572 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
573 .localpart_cache = { 0 }, /* localpart_cache - ditto */
574 .mode = -1,
575 .more_errno = 0,
576 .delivery_usec = 0,
577 .basic_errno = ERRNO_UNKNOWNERROR,
578 .child_count = 0,
579 .return_file = -1,
580 .special_action = SPECIAL_NONE,
581 .transport_return = DEFER,
582 .prop = { /* fields that are propagated to children */
583 .address_data = NULL,
584 .domain_data = NULL,
585 .localpart_data = NULL,
586 .errors_address = NULL,
587 .extra_headers = NULL,
588 .remove_headers = NULL,
589 .variables = NULL,
590#ifdef EXPERIMENTAL_SRS
591 .srs_sender = NULL,
592#endif
593 .ignore_error = FALSE,
594#ifdef SUPPORT_I18N
595 .utf8_msg = FALSE,
596 .utf8_downcvt = FALSE,
597 .utf8_downcvt_maybe = FALSE
598#endif
599 }
600};
601
602uschar *address_file = NULL;
603uschar *address_pipe = NULL;
604tree_node *addresslist_anchor = NULL;
605int addresslist_count = 0;
606gid_t *admin_groups = NULL;
607
608#ifdef EXPERIMENTAL_ARC
609struct arc_set *arc_received = NULL;
610int arc_received_instance = 0;
611int arc_oldest_pass = 0;
612const uschar *arc_state = NULL;
613const uschar *arc_state_reason = NULL;
614#endif
615
616uschar *authenticated_fail_id = NULL;
617uschar *authenticated_id = NULL;
618uschar *authenticated_sender = NULL;
619auth_instance *auths = NULL;
620uschar *auth_advertise_hosts = US"*";
621auth_instance auth_defaults = {
622 .next = NULL,
623 .name = NULL,
624 .info = NULL,
625 .options_block = NULL,
626 .driver_name = NULL,
627 .advertise_condition = NULL,
628 .client_condition = NULL,
629 .public_name = NULL,
630 .set_id = NULL,
631 .set_client_id = NULL,
632 .mail_auth_condition = NULL,
633 .server_debug_string = NULL,
634 .server_condition = NULL,
635 .client = FALSE,
636 .server = FALSE,
637 .advertised = FALSE
638};
639
640uschar *auth_defer_msg = US"reason not recorded";
641uschar *auth_defer_user_msg = US"";
642uschar *auth_vars[AUTH_VARS];
643int auto_thaw = 0;
644#ifdef WITH_CONTENT_SCAN
645int av_failed = FALSE; /* boolean but accessed as vtype_int*/
646uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
647#endif
648
649#if BASE_62 == 62
650uschar *base62_chars=
651 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
652#else
653uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
654#endif
655
656uschar *bi_command = NULL;
657uschar *big_buffer = NULL;
658int big_buffer_size = BIG_BUFFER_SIZE;
659#ifdef EXPERIMENTAL_BRIGHTMAIL
660uschar *bmi_alt_location = NULL;
661uschar *bmi_base64_tracker_verdict = NULL;
662uschar *bmi_base64_verdict = NULL;
663uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
664int bmi_deliver = 1;
665int bmi_run = 0;
666uschar *bmi_verdicts = NULL;
667#endif
668int bsmtp_transaction_linecount = 0;
669int body_8bitmime = 0;
670int body_linecount = 0;
671int body_zerocount = 0;
672uschar *bounce_message_file = NULL;
673uschar *bounce_message_text = NULL;
674uschar *bounce_recipient = NULL;
675int bounce_return_linesize_limit = 998;
676int bounce_return_size_limit = 100*1024;
677uschar *bounce_sender_authentication = NULL;
678
679uschar *callout_address = NULL;
680int callout_cache_domain_positive_expire = 7*24*60*60;
681int callout_cache_domain_negative_expire = 3*60*60;
682int callout_cache_positive_expire = 24*60*60;
683int callout_cache_negative_expire = 2*60*60;
684uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
685uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
686int check_log_inodes = 100;
687int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
688int check_spool_inodes = 100;
689int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
690
691uschar *chunking_advertise_hosts = US"*";
692unsigned chunking_datasize = 0;
693unsigned chunking_data_left = 0;
694chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
695const pcre *regex_CHUNKING = NULL;
696
697uschar *client_authenticator = NULL;
698uschar *client_authenticated_id = NULL;
699uschar *client_authenticated_sender = NULL;
700int clmacro_count = 0;
701uschar *clmacros[MAX_CLMACROS];
702FILE *config_file = NULL;
703const uschar *config_filename = NULL;
704int config_lineno = 0;
705#ifdef CONFIGURE_GROUP
706gid_t config_gid = CONFIGURE_GROUP;
707#else
708gid_t config_gid = 0;
709#endif
710uschar *config_main_filelist = US CONFIGURE_FILE
711 "\0<-----------Space to patch configure_filename->";
712uschar *config_main_filename = NULL;
713uschar *config_main_directory = NULL;
714
715#ifdef CONFIGURE_OWNER
716uid_t config_uid = CONFIGURE_OWNER;
717#else
718uid_t config_uid = 0;
719#endif
720
721int connection_max_messages= -1;
722uschar *continue_proxy_cipher = NULL;
723uschar *continue_hostname = NULL;
724uschar *continue_host_address = NULL;
725int continue_sequence = 1;
726uschar *continue_transport = NULL;
727
728uschar *csa_status = NULL;
729cut_t cutthrough = {
730 .callout_hold_only = FALSE, /* verify-only: normal delivery */
731 .delivery = FALSE, /* when to attempt */
732 .defer_pass = FALSE, /* on defer: spool locally */
733 .is_tls = FALSE, /* not a TLS conn yet */
734 .cctx = {.sock = -1}, /* open connection */
735 .nrcpt = 0, /* number of addresses */
736};
737
738uschar *daemon_smtp_port = US"smtp";
739int daemon_startup_retries = 9;
740int daemon_startup_sleep = 30;
741
742#ifdef EXPERIMENTAL_DCC
743uschar *dcc_header = NULL;
744uschar *dcc_result = NULL;
745uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
746uschar *dccifd_options = US"header";
747#endif
748
749int debug_fd = -1;
750FILE *debug_file = NULL;
751int debug_notall[] = {
752 Di_memory,
753 Di_noutf8,
754 -1
755};
756bit_table debug_options[] = { /* must be in alphabetical order and use
757 only the enum values from macro.h */
758 BIT_TABLE(D, acl),
759 BIT_TABLE(D, all),
760 BIT_TABLE(D, auth),
761 BIT_TABLE(D, deliver),
762 BIT_TABLE(D, dns),
763 BIT_TABLE(D, dnsbl),
764 BIT_TABLE(D, exec),
765 BIT_TABLE(D, expand),
766 BIT_TABLE(D, filter),
767 BIT_TABLE(D, hints_lookup),
768 BIT_TABLE(D, host_lookup),
769 BIT_TABLE(D, ident),
770 BIT_TABLE(D, interface),
771 BIT_TABLE(D, lists),
772 BIT_TABLE(D, load),
773 BIT_TABLE(D, local_scan),
774 BIT_TABLE(D, lookup),
775 BIT_TABLE(D, memory),
776 BIT_TABLE(D, noutf8),
777 BIT_TABLE(D, pid),
778 BIT_TABLE(D, process_info),
779 BIT_TABLE(D, queue_run),
780 BIT_TABLE(D, receive),
781 BIT_TABLE(D, resolver),
782 BIT_TABLE(D, retry),
783 BIT_TABLE(D, rewrite),
784 BIT_TABLE(D, route),
785 BIT_TABLE(D, timestamp),
786 BIT_TABLE(D, tls),
787 BIT_TABLE(D, transport),
788 BIT_TABLE(D, uid),
789 BIT_TABLE(D, verify),
790};
791int debug_options_count = nelem(debug_options);
792
793unsigned int debug_selector = 0;
794int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
795uschar *delay_warning_condition=
796 US"${if or {"
797 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
798 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
799 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
800 "} {no}{yes}}";
801uschar *deliver_address_data = NULL;
802int deliver_datafile = -1;
803const uschar *deliver_domain = NULL;
804uschar *deliver_domain_data = NULL;
805const uschar *deliver_domain_orig = NULL;
806const uschar *deliver_domain_parent = NULL;
807time_t deliver_frozen_at = 0;
808uschar *deliver_home = NULL;
809const uschar *deliver_host = NULL;
810const uschar *deliver_host_address = NULL;
811int deliver_host_port = 0;
812uschar *deliver_in_buffer = NULL;
813ino_t deliver_inode = 0;
814uschar *deliver_localpart = NULL;
815uschar *deliver_localpart_data = NULL;
816uschar *deliver_localpart_orig = NULL;
817uschar *deliver_localpart_parent = NULL;
818uschar *deliver_localpart_prefix = NULL;
819uschar *deliver_localpart_suffix = NULL;
820uschar *deliver_out_buffer = NULL;
821int deliver_queue_load_max = -1;
822address_item *deliver_recipients = NULL;
823uschar *deliver_selectstring = NULL;
824uschar *deliver_selectstring_sender = NULL;
825
826#ifndef DISABLE_DKIM
827unsigned dkim_collect_input = 0;
828uschar *dkim_cur_signer = NULL;
829int dkim_key_length = 0;
830void *dkim_signatures = NULL;
831uschar *dkim_signers = NULL;
832uschar *dkim_signing_domain = NULL;
833uschar *dkim_signing_selector = NULL;
834uschar *dkim_verify_hashes = US"sha256:sha512";
835uschar *dkim_verify_keytypes = US"ed25519:rsa";
836BOOL dkim_verify_minimal = FALSE;
837uschar *dkim_verify_overall = NULL;
838uschar *dkim_verify_signers = US"$dkim_signers";
839uschar *dkim_verify_status = NULL;
840uschar *dkim_verify_reason = NULL;
841#endif
842#ifdef SUPPORT_DMARC
843uschar *dmarc_domain_policy = NULL;
844uschar *dmarc_forensic_sender = NULL;
845uschar *dmarc_history_file = NULL;
846uschar *dmarc_status = NULL;
847uschar *dmarc_status_text = NULL;
848uschar *dmarc_tld_file = NULL;
849uschar *dmarc_used_domain = NULL;
850#endif
851
852uschar *dns_again_means_nonexist = NULL;
853int dns_csa_search_limit = 5;
854int dns_cname_loops = 1;
855#ifdef SUPPORT_DANE
856int dns_dane_ok = -1;
857#endif
858uschar *dns_ipv4_lookup = NULL;
859int dns_retrans = 0;
860int dns_retry = 0;
861int dns_dnssec_ok = -1; /* <0 = not coerced */
862uschar *dns_trust_aa = NULL;
863int dns_use_edns0 = -1; /* <0 = not coerced */
864uschar *dnslist_domain = NULL;
865uschar *dnslist_matched = NULL;
866uschar *dnslist_text = NULL;
867uschar *dnslist_value = NULL;
868tree_node *domainlist_anchor = NULL;
869int domainlist_count = 0;
870uschar *dsn_from = US DEFAULT_DSN_FROM;
871
872int errno_quota = ERRNO_QUOTA;
873uschar *errors_copy = NULL;
874int error_handling = ERRORS_SENDER;
875uschar *errors_reply_to = NULL;
876int errors_sender_rc = EXIT_FAILURE;
877#ifndef DISABLE_EVENT
878uschar *event_action = NULL; /* expansion for delivery events */
879uschar *event_data = NULL; /* auxiliary data variable for event */
880int event_defer_errno = 0;
881const uschar *event_name = NULL; /* event name variable */
882#endif
883
884
885gid_t exim_gid = EXIM_GID;
886uschar *exim_path = US BIN_DIRECTORY "/exim"
887 "\0<---------------Space to patch exim_path->";
888uid_t exim_uid = EXIM_UID;
889int expand_level = 0; /* Nesting depth, indent for debug */
890int expand_forbid = 0;
891int expand_nlength[EXPAND_MAXN+1];
892int expand_nmax = -1;
893uschar *expand_nstring[EXPAND_MAXN+1];
894uschar *expand_string_message;
895uschar *extra_local_interfaces = NULL;
896
897int fake_response = OK;
898uschar *fake_response_text = US"Your message has been rejected but is "
899 "being kept for evaluation.\nIf it was a "
900 "legitimate message, it may still be "
901 "delivered to the target recipient(s).";
902int filter_n[FILTER_VARIABLE_COUNT];
903int filter_sn[FILTER_VARIABLE_COUNT];
904int filter_test = FTEST_NONE;
905uschar *filter_test_sfile = NULL;
906uschar *filter_test_ufile = NULL;
907uschar *filter_thisaddress = NULL;
908int finduser_retries = 0;
909uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
910uschar *freeze_tell = NULL;
911uschar *freeze_tell_config = NULL;
912uschar *fudged_queue_times = US"";
913
914uschar *gecos_name = NULL;
915uschar *gecos_pattern = NULL;
916rewrite_rule *global_rewrite_rules = NULL;
917
918volatile sig_atomic_t had_command_timeout = 0;
919volatile sig_atomic_t had_command_sigterm = 0;
920volatile sig_atomic_t had_data_timeout = 0;
921volatile sig_atomic_t had_data_sigint = 0;
922uschar *headers_charset = US HEADERS_CHARSET;
923int header_insert_maxlen = 64 * 1024;
924header_line *header_last = NULL;
925header_line *header_list = NULL;
926int header_maxsize = HEADER_MAXSIZE;
927int header_line_maxsize = 0;
928
929header_name header_names[] = {
930 /* name len allow_resent htype */
931 { US"bcc", 3, TRUE, htype_bcc },
932 { US"cc", 2, TRUE, htype_cc },
933 { US"date", 4, TRUE, htype_date },
934 { US"delivery-date", 13, FALSE, htype_delivery_date },
935 { US"envelope-to", 11, FALSE, htype_envelope_to },
936 { US"from", 4, TRUE, htype_from },
937 { US"message-id", 10, TRUE, htype_id },
938 { US"received", 8, FALSE, htype_received },
939 { US"reply-to", 8, FALSE, htype_reply_to },
940 { US"return-path", 11, FALSE, htype_return_path },
941 { US"sender", 6, TRUE, htype_sender },
942 { US"subject", 7, FALSE, htype_subject },
943 { US"to", 2, TRUE, htype_to }
944};
945
946int header_names_size = nelem(header_names);
947
948uschar *helo_accept_junk_hosts = NULL;
949uschar *helo_allow_chars = US"";
950uschar *helo_lookup_domains = US"@ : @[]";
951uschar *helo_try_verify_hosts = NULL;
952uschar *helo_verify_hosts = NULL;
953const uschar *hex_digits = CUS"0123456789abcdef";
954uschar *hold_domains = NULL;
955uschar *host_data = NULL;
956uschar *host_lookup = NULL;
957uschar *host_lookup_order = US"bydns:byaddr";
958uschar *host_lookup_msg = US"";
959int host_number = 0;
960uschar *host_number_string = NULL;
961uschar *host_reject_connection = NULL;
962tree_node *hostlist_anchor = NULL;
963int hostlist_count = 0;
964uschar *hosts_treat_as_local = NULL;
965uschar *hosts_connection_nolog = NULL;
966
967int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
968uschar *ignore_fromline_hosts = NULL;
969int inetd_wait_timeout = -1;
970uschar *initial_cwd = NULL;
971uschar *interface_address = NULL;
972int interface_port = -1;
973uschar *iterate_item = NULL;
974
975int journal_fd = -1;
976
977uschar *keep_environment = NULL;
978
979int keep_malformed = 4*24*60*60; /* 4 days */
980
981uschar *eldap_dn = NULL;
982int load_average = -2;
983uschar *local_from_prefix = NULL;
984uschar *local_from_suffix = NULL;
985
986#if HAVE_IPV6
987uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
988#else
989uschar *local_interfaces = US"0.0.0.0";
990#endif
991
992#ifdef HAVE_LOCAL_SCAN
993uschar *local_scan_data = NULL;
994int local_scan_timeout = 5*60;
995#endif
996gid_t local_user_gid = (gid_t)(-1);
997uid_t local_user_uid = (uid_t)(-1);
998
999tree_node *localpartlist_anchor= NULL;
1000int localpartlist_count = 0;
1001uschar *log_buffer = NULL;
1002
1003int log_default[] = { /* for initializing log_selector */
1004 Li_acl_warn_skipped,
1005 Li_connection_reject,
1006 Li_delay_delivery,
1007 Li_dkim,
1008 Li_dnslist_defer,
1009 Li_etrn,
1010 Li_host_lookup_failed,
1011 Li_lost_incoming_connection,
1012 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1013 Li_msg_id,
1014 Li_queue_run,
1015 Li_rejected_header,
1016 Li_retry_defer,
1017 Li_sender_verify_fail,
1018 Li_size_reject,
1019 Li_skip_delivery,
1020 Li_smtp_confirmation,
1021 Li_tls_certificate_verified,
1022 Li_tls_cipher,
1023 -1
1024};
1025
1026uschar *log_file_path = US LOG_FILE_PATH
1027 "\0<--------------Space to patch log_file_path->";
1028
1029int log_notall[] = {
1030 -1
1031};
1032bit_table log_options[] = { /* must be in alphabetical order,
1033 with definitions from enum logbit. */
1034 BIT_TABLE(L, 8bitmime),
1035 BIT_TABLE(L, acl_warn_skipped),
1036 BIT_TABLE(L, address_rewrite),
1037 BIT_TABLE(L, all),
1038 BIT_TABLE(L, all_parents),
1039 BIT_TABLE(L, arguments),
1040 BIT_TABLE(L, connection_reject),
1041 BIT_TABLE(L, delay_delivery),
1042 BIT_TABLE(L, deliver_time),
1043 BIT_TABLE(L, delivery_size),
1044#ifndef DISABLE_DKIM
1045 BIT_TABLE(L, dkim),
1046 BIT_TABLE(L, dkim_verbose),
1047#endif
1048 BIT_TABLE(L, dnslist_defer),
1049 BIT_TABLE(L, dnssec),
1050 BIT_TABLE(L, etrn),
1051 BIT_TABLE(L, host_lookup_failed),
1052 BIT_TABLE(L, ident_timeout),
1053 BIT_TABLE(L, incoming_interface),
1054 BIT_TABLE(L, incoming_port),
1055 BIT_TABLE(L, lost_incoming_connection),
1056 BIT_TABLE(L, millisec),
1057 BIT_TABLE(L, msg_id),
1058 BIT_TABLE(L, msg_id_created),
1059 BIT_TABLE(L, outgoing_interface),
1060 BIT_TABLE(L, outgoing_port),
1061 BIT_TABLE(L, pid),
1062 BIT_TABLE(L, pipelining),
1063#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1064 BIT_TABLE(L, proxy),
1065#endif
1066 BIT_TABLE(L, queue_run),
1067 BIT_TABLE(L, queue_time),
1068 BIT_TABLE(L, queue_time_overall),
1069 BIT_TABLE(L, receive_time),
1070 BIT_TABLE(L, received_recipients),
1071 BIT_TABLE(L, received_sender),
1072 BIT_TABLE(L, rejected_header),
1073 { US"rejected_headers", Li_rejected_header },
1074 BIT_TABLE(L, retry_defer),
1075 BIT_TABLE(L, return_path_on_delivery),
1076 BIT_TABLE(L, sender_on_delivery),
1077 BIT_TABLE(L, sender_verify_fail),
1078 BIT_TABLE(L, size_reject),
1079 BIT_TABLE(L, skip_delivery),
1080 BIT_TABLE(L, smtp_confirmation),
1081 BIT_TABLE(L, smtp_connection),
1082 BIT_TABLE(L, smtp_incomplete_transaction),
1083 BIT_TABLE(L, smtp_mailauth),
1084 BIT_TABLE(L, smtp_no_mail),
1085 BIT_TABLE(L, smtp_protocol_error),
1086 BIT_TABLE(L, smtp_syntax_error),
1087 BIT_TABLE(L, subject),
1088 BIT_TABLE(L, tls_certificate_verified),
1089 BIT_TABLE(L, tls_cipher),
1090 BIT_TABLE(L, tls_peerdn),
1091 BIT_TABLE(L, tls_resumption),
1092 BIT_TABLE(L, tls_sni),
1093 BIT_TABLE(L, unknown_in_list),
1094};
1095int log_options_count = nelem(log_options);
1096
1097int log_reject_target = 0;
1098unsigned int log_selector[log_selector_size]; /* initialized in main() */
1099uschar *log_selector_string = NULL;
1100FILE *log_stderr = NULL;
1101uschar *login_sender_address = NULL;
1102uschar *lookup_dnssec_authenticated = NULL;
1103int lookup_open_max = 25;
1104uschar *lookup_value = NULL;
1105
1106macro_item *macros_user = NULL;
1107uschar *mailstore_basename = NULL;
1108#ifdef WITH_CONTENT_SCAN
1109uschar *malware_name = NULL; /* Virus Name */
1110#endif
1111int max_received_linelength= 0;
1112int max_username_length = 0;
1113int message_age = 0;
1114uschar *message_body = NULL;
1115uschar *message_body_end = NULL;
1116int message_body_size = 0;
1117int message_body_visible = 500;
1118int message_ended = END_NOTSTARTED;
1119uschar *message_headers = NULL;
1120uschar *message_id;
1121uschar *message_id_domain = NULL;
1122uschar *message_id_text = NULL;
1123struct timeval message_id_tv = { 0, 0 };
1124uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1125uschar *message_id_external;
1126int message_linecount = 0;
1127int message_size = 0;
1128uschar *message_size_limit = US"50M";
1129#ifdef SUPPORT_I18N
1130int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1131#endif
1132uschar message_subdir[2] = { 0, 0 };
1133uschar *message_reference = NULL;
1134
1135/* MIME ACL expandables */
1136#ifdef WITH_CONTENT_SCAN
1137int mime_anomaly_level = 0;
1138const uschar *mime_anomaly_text = NULL;
1139uschar *mime_boundary = NULL;
1140uschar *mime_charset = NULL;
1141uschar *mime_content_description = NULL;
1142uschar *mime_content_disposition = NULL;
1143uschar *mime_content_id = NULL;
1144unsigned int mime_content_size = 0;
1145uschar *mime_content_transfer_encoding = NULL;
1146uschar *mime_content_type = NULL;
1147uschar *mime_decoded_filename = NULL;
1148uschar *mime_filename = NULL;
1149int mime_is_multipart = 0;
1150int mime_is_coverletter = 0;
1151int mime_is_rfc822 = 0;
1152int mime_part_count = -1;
1153#endif
1154
1155uid_t *never_users = NULL;
1156
1157const int on = 1; /* for setsockopt */
1158const int off = 0;
1159
1160uid_t original_euid;
1161gid_t originator_gid;
1162uschar *originator_login = NULL;
1163uschar *originator_name = NULL;
1164uid_t originator_uid;
1165uschar *override_local_interfaces = NULL;
1166uschar *override_pid_file_path = NULL;
1167
1168uschar *percent_hack_domains = NULL;
1169uschar *pid_file_path = US PID_FILE_PATH
1170 "\0<--------------Space to patch pid_file_path->";
1171#ifndef DISABLE_PIPE_CONNECT
1172uschar *pipe_connect_advertise_hosts = US"*";
1173#endif
1174uschar *pipelining_advertise_hosts = US"*";
1175uschar *primary_hostname = NULL;
1176uschar *process_info;
1177int process_info_len = 0;
1178uschar *process_log_path = NULL;
1179
1180#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1181uschar *hosts_proxy = NULL;
1182uschar *proxy_external_address = NULL;
1183int proxy_external_port = 0;
1184uschar *proxy_local_address = NULL;
1185int proxy_local_port = 0;
1186#endif
1187
1188uschar *prvscheck_address = NULL;
1189uschar *prvscheck_keynum = NULL;
1190uschar *prvscheck_result = NULL;
1191
1192
1193const uschar *qualify_domain_recipient = NULL;
1194uschar *qualify_domain_sender = NULL;
1195uschar *queue_domains = NULL;
1196int queue_interval = -1;
1197uschar *queue_name = US"";
1198uschar *queue_name_dest = NULL;
1199uschar *queue_only_file = NULL;
1200int queue_only_load = -1;
1201uschar *queue_run_max = US"5";
1202pid_t queue_run_pid = (pid_t)0;
1203int queue_run_pipe = -1;
1204uschar *queue_smtp_domains = NULL;
1205
1206uint32_t random_seed = 0;
1207tree_node *ratelimiters_cmd = NULL;
1208tree_node *ratelimiters_conn = NULL;
1209tree_node *ratelimiters_mail = NULL;
1210uschar *raw_active_hostname = NULL;
1211uschar *raw_sender = NULL;
1212uschar **raw_recipients = NULL;
1213int raw_recipients_count = 0;
1214
1215int rcpt_count = 0;
1216int rcpt_fail_count = 0;
1217int rcpt_defer_count = 0;
1218gid_t real_gid;
1219uid_t real_uid;
1220int receive_linecount = 0;
1221int receive_messagecount = 0;
1222int receive_timeout = 0;
1223int received_count = 0;
1224uschar *received_for = NULL;
1225
1226/* This is the default text for Received headers generated by Exim. The
1227date will be automatically added on the end. */
1228
1229uschar *received_header_text = US
1230 "Received: "
1231 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1232 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1233 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1234 "by $primary_hostname "
1235 "${if def:received_protocol {with $received_protocol }}"
1236#ifndef DISABLE_TLS
1237 "${if def:tls_in_ver { ($tls_in_ver)}}"
1238 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1239#endif
1240 "(Exim $version_number)\n\t"
1241 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1242 "id $message_exim_id"
1243 "${if def:received_for {\n\tfor $received_for}}"
1244 "\0<---------------Space to patch received_header_text->";
1245
1246int received_headers_max = 30;
1247uschar *received_protocol = NULL;
1248struct timeval received_time = { 0, 0 };
1249struct timeval received_time_taken = { 0, 0 };
1250uschar *recipient_data = NULL;
1251uschar *recipient_unqualified_hosts = NULL;
1252uschar *recipient_verify_failure = NULL;
1253int recipients_count = 0;
1254recipient_item *recipients_list = NULL;
1255int recipients_list_max = 0;
1256int recipients_max = 0;
1257const pcre *regex_AUTH = NULL;
1258const pcre *regex_check_dns_names = NULL;
1259const pcre *regex_From = NULL;
1260const pcre *regex_IGNOREQUOTA = NULL;
1261const pcre *regex_PIPELINING = NULL;
1262const pcre *regex_SIZE = NULL;
1263#ifndef DISABLE_PIPE_CONNECT
1264const pcre *regex_EARLY_PIPE = NULL;
1265#endif
1266const pcre *regex_ismsgid = NULL;
1267const pcre *regex_smtp_code = NULL;
1268uschar *regex_vars[REGEX_VARS];
1269#ifdef WHITELIST_D_MACROS
1270const pcre *regex_whitelisted_macro = NULL;
1271#endif
1272#ifdef WITH_CONTENT_SCAN
1273uschar *regex_match_string = NULL;
1274#endif
1275int remote_delivery_count = 0;
1276int remote_max_parallel = 2;
1277uschar *remote_sort_domains = NULL;
1278int retry_data_expire = 7*24*60*60;
1279int retry_interval_max = 24*60*60;
1280int retry_maximum_timeout = 0; /* set from retry config */
1281retry_config *retries = NULL;
1282uschar *return_path = NULL;
1283int rewrite_existflags = 0;
1284uschar *rfc1413_hosts = US"@[]";
1285int rfc1413_query_timeout = 0;
1286uid_t root_gid = ROOT_GID;
1287uid_t root_uid = ROOT_UID;
1288
1289router_instance *routers = NULL;
1290router_instance router_defaults = {
1291 .next = NULL,
1292 .name = NULL,
1293 .info = NULL,
1294 .options_block = NULL,
1295 .driver_name = NULL,
1296
1297 .address_data = NULL,
1298#ifdef EXPERIMENTAL_BRIGHTMAIL
1299 .bmi_rule = NULL,
1300#endif
1301 .cannot_route_message = NULL,
1302 .condition = NULL,
1303 .current_directory = NULL,
1304 .debug_string = NULL,
1305 .domains = NULL,
1306 .errors_to = NULL,
1307 .expand_gid = NULL,
1308 .expand_uid = NULL,
1309 .expand_more = NULL,
1310 .expand_unseen = NULL,
1311 .extra_headers = NULL,
1312 .fallback_hosts = NULL,
1313 .home_directory = NULL,
1314 .ignore_target_hosts = NULL,
1315 .local_parts = NULL,
1316 .pass_router_name = NULL,
1317 .prefix = NULL,
1318 .redirect_router_name = NULL,
1319 .remove_headers = NULL,
1320 .require_files = NULL,
1321 .router_home_directory = NULL,
1322 .self = US"freeze",
1323 .senders = NULL,
1324 .suffix = NULL,
1325 .translate_ip_address = NULL,
1326 .transport_name = NULL,
1327
1328 .address_test = TRUE,
1329#ifdef EXPERIMENTAL_BRIGHTMAIL
1330 .bmi_deliver_alternate = FALSE,
1331 .bmi_deliver_default = FALSE,
1332 .bmi_dont_deliver = FALSE,
1333#endif
1334 .expn = TRUE,
1335 .caseful_local_part = FALSE,
1336 .check_local_user = FALSE,
1337 .disable_logging = FALSE,
1338 .fail_verify_recipient = FALSE,
1339 .fail_verify_sender = FALSE,
1340 .gid_set = FALSE,
1341 .initgroups = FALSE,
1342 .log_as_local = TRUE_UNSET,
1343 .more = TRUE,
1344 .pass_on_timeout = FALSE,
1345 .prefix_optional = FALSE,
1346 .repeat_use = TRUE,
1347 .retry_use_local_part = TRUE_UNSET,
1348 .same_domain_copy_routing = FALSE,
1349 .self_rewrite = FALSE,
1350 .set = NULL,
1351 .suffix_optional = FALSE,
1352 .verify_only = FALSE,
1353 .verify_recipient = TRUE,
1354 .verify_sender = TRUE,
1355 .uid_set = FALSE,
1356 .unseen = FALSE,
1357 .dsn_lasthop = FALSE,
1358
1359 .self_code = self_freeze,
1360 .uid = (uid_t)(-1),
1361 .gid = (gid_t)(-1),
1362
1363 .fallback_hostlist = NULL,
1364 .transport = NULL,
1365 .pass_router = NULL,
1366 .redirect_router = NULL,
1367
1368 .dnssec = { .request= US"*", .require=NULL },
1369};
1370
1371uschar *router_name = NULL;
1372tree_node *router_var = NULL;
1373
1374ip_address_item *running_interfaces = NULL;
1375
1376/* This is a weird one. The following string gets patched in the binary by the
1377script that sets up a copy of Exim for running in the test harness. It seems
1378that compilers are now clever, and share constant strings if they can.
1379Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1380make use of the end of this string in order to save space. So the patching then
1381wrecks this. We defeat this optimization by adding some additional characters
1382onto the end of the string. */
1383
1384uschar *running_status = US">>>running<<<" "\0EXTRA";
1385
1386int runrc = 0;
1387
1388uschar *search_error_message = NULL;
1389uschar *self_hostname = NULL;
1390uschar *sender_address = NULL;
1391unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1392uschar *sender_address_data = NULL;
1393uschar *sender_address_unrewritten = NULL;
1394uschar *sender_data = NULL;
1395unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1396uschar *sender_fullhost = NULL;
1397uschar *sender_helo_name = NULL;
1398uschar **sender_host_aliases = &no_aliases;
1399uschar *sender_host_address = NULL;
1400uschar *sender_host_authenticated = NULL;
1401uschar *sender_host_auth_pubname = NULL;
1402unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1403uschar *sender_host_name = NULL;
1404int sender_host_port = 0;
1405uschar *sender_ident = NULL;
1406uschar *sender_rate = NULL;
1407uschar *sender_rate_limit = NULL;
1408uschar *sender_rate_period = NULL;
1409uschar *sender_rcvhost = NULL;
1410uschar *sender_unqualified_hosts = NULL;
1411uschar *sender_verify_failure = NULL;
1412address_item *sender_verified_list = NULL;
1413address_item *sender_verified_failed = NULL;
1414int sender_verified_rc = -1;
1415uschar *sending_ip_address = NULL;
1416int sending_port = -1;
1417SIGNAL_BOOL sigalrm_seen = FALSE;
1418const uschar *sigalarm_setter = NULL;
1419uschar **sighup_argv = NULL;
1420int slow_lookup_log = 0; /* millisecs, zero disables */
1421int smtp_accept_count = 0;
1422int smtp_accept_max = 20;
1423int smtp_accept_max_nonmail= 10;
1424uschar *smtp_accept_max_nonmail_hosts = US"*";
1425int smtp_accept_max_per_connection = 1000;
1426uschar *smtp_accept_max_per_host = NULL;
1427int smtp_accept_queue = 0;
1428int smtp_accept_queue_per_connection = 10;
1429int smtp_accept_reserve = 0;
1430uschar *smtp_active_hostname = NULL;
1431uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1432 "Exim $version_number $tod_full"
1433 "\0<---------------Space to patch smtp_banner->";
1434int smtp_ch_index = 0;
1435uschar *smtp_cmd_argument = NULL;
1436uschar *smtp_cmd_buffer = NULL;
1437struct timeval smtp_connection_start = {0,0};
1438uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1439int smtp_connect_backlog = 20;
1440double smtp_delay_mail = 0.0;
1441double smtp_delay_rcpt = 0.0;
1442FILE *smtp_in = NULL;
1443int smtp_load_reserve = -1;
1444int smtp_mailcmd_count = 0;
1445FILE *smtp_out = NULL;
1446uschar *smtp_etrn_command = NULL;
1447int smtp_max_synprot_errors= 3;
1448int smtp_max_unknown_commands = 3;
1449uschar *smtp_notquit_reason = NULL;
1450uschar *smtp_ratelimit_hosts = NULL;
1451uschar *smtp_ratelimit_mail = NULL;
1452uschar *smtp_ratelimit_rcpt = NULL;
1453uschar *smtp_read_error = US"";
1454int smtp_receive_timeout = 5*60;
1455uschar *smtp_receive_timeout_s = NULL;
1456uschar *smtp_reserve_hosts = NULL;
1457int smtp_rlm_base = 0;
1458double smtp_rlm_factor = 0.0;
1459int smtp_rlm_limit = 0;
1460int smtp_rlm_threshold = INT_MAX;
1461int smtp_rlr_base = 0;
1462double smtp_rlr_factor = 0.0;
1463int smtp_rlr_limit = 0;
1464int smtp_rlr_threshold = INT_MAX;
1465unsigned smtp_peer_options = 0;
1466unsigned smtp_peer_options_wrap= 0;
1467#ifdef SUPPORT_I18N
1468uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1469#endif
1470
1471#ifdef WITH_CONTENT_SCAN
1472uschar *spamd_address = US"127.0.0.1 783";
1473uschar *spam_bar = NULL;
1474uschar *spam_report = NULL;
1475uschar *spam_action = NULL;
1476uschar *spam_score = NULL;
1477uschar *spam_score_int = NULL;
1478#endif
1479#ifdef SUPPORT_SPF
1480uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1481uschar *spf_header_comment = NULL;
1482uschar *spf_received = NULL;
1483uschar *spf_result = NULL;
1484uschar *spf_smtp_comment = NULL;
1485#endif
1486
1487FILE *spool_data_file = NULL;
1488uschar *spool_directory = US SPOOL_DIRECTORY
1489 "\0<--------------Space to patch spool_directory->";
1490#ifdef EXPERIMENTAL_SRS
1491uschar *srs_config = NULL;
1492uschar *srs_db_address = NULL;
1493uschar *srs_db_key = NULL;
1494int srs_hashlength = 6;
1495int srs_hashmin = -1;
1496int srs_maxage = 31;
1497uschar *srs_orig_recipient = NULL;
1498uschar *srs_orig_sender = NULL;
1499uschar *srs_recipient = NULL;
1500uschar *srs_secrets = NULL;
1501uschar *srs_status = NULL;
1502#endif
1503#ifdef EXPERIMENTAL_SRS_NATIVE
1504uschar *srs_recipient = NULL;
1505#endif
1506int string_datestamp_offset= -1;
1507int string_datestamp_length= 0;
1508int string_datestamp_type = -1;
1509uschar *submission_domain = NULL;
1510uschar *submission_name = NULL;
1511int syslog_facility = LOG_MAIL;
1512uschar *syslog_processname = US"exim";
1513uschar *system_filter = NULL;
1514
1515uschar *system_filter_directory_transport = NULL;
1516uschar *system_filter_file_transport = NULL;
1517uschar *system_filter_pipe_transport = NULL;
1518uschar *system_filter_reply_transport = NULL;
1519
1520gid_t system_filter_gid = 0;
1521uid_t system_filter_uid = (uid_t)-1;
1522
1523blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1524tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1525#ifdef USE_TCP_WRAPPERS
1526uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1527#endif
1528int test_harness_load_avg = 0;
1529int thismessage_size_limit = 0;
1530int timeout_frozen_after = 0;
1531#ifdef MEASURE_TIMING
1532struct timeval timestamp_startup;
1533#endif
1534
1535transport_instance *transports = NULL;
1536
1537transport_instance transport_defaults = {
1538 .next = NULL,
1539 .name = NULL,
1540 .info = NULL,
1541 .options_block = NULL,
1542 .driver_name = NULL,
1543 .setup = NULL,
1544 .batch_max = 1,
1545 .batch_id = NULL,
1546 .home_dir = NULL,
1547 .current_dir = NULL,
1548 .expand_multi_domain = NULL,
1549 .multi_domain = TRUE,
1550 .overrides_hosts = FALSE,
1551 .max_addresses = 100,
1552 .connection_max_messages = 500,
1553 .deliver_as_creator = FALSE,
1554 .disable_logging = FALSE,
1555 .initgroups = FALSE,
1556 .uid_set = FALSE,
1557 .gid_set = FALSE,
1558 .uid = (uid_t)(-1),
1559 .gid = (gid_t)(-1),
1560 .expand_uid = NULL,
1561 .expand_gid = NULL,
1562 .warn_message = NULL,
1563 .shadow = NULL,
1564 .shadow_condition = NULL,
1565 .filter_command = NULL,
1566 .add_headers = NULL,
1567 .remove_headers = NULL,
1568 .return_path = NULL,
1569 .debug_string = NULL,
1570 .max_parallel = NULL,
1571 .message_size_limit = NULL,
1572 .headers_rewrite = NULL,
1573 .rewrite_rules = NULL,
1574 .rewrite_existflags = 0,
1575 .filter_timeout = 300,
1576 .body_only = FALSE,
1577 .delivery_date_add = FALSE,
1578 .envelope_to_add = FALSE,
1579 .headers_only = FALSE,
1580 .rcpt_include_affixes = FALSE,
1581 .return_path_add = FALSE,
1582 .return_output = FALSE,
1583 .return_fail_output = FALSE,
1584 .log_output = FALSE,
1585 .log_fail_output = FALSE,
1586 .log_defer_output = FALSE,
1587 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1588 1 nor 0 so can detect unset */
1589#ifndef DISABLE_EVENT
1590 .event_action = NULL
1591#endif
1592};
1593
1594int transport_count;
1595uschar *transport_name = NULL;
1596int transport_newlines;
1597const uschar **transport_filter_argv = NULL;
1598int transport_filter_timeout;
1599int transport_write_timeout= 0;
1600
1601tree_node *tree_dns_fails = NULL;
1602tree_node *tree_duplicates = NULL;
1603tree_node *tree_nonrecipients = NULL;
1604tree_node *tree_unusable = NULL;
1605
1606gid_t *trusted_groups = NULL;
1607uid_t *trusted_users = NULL;
1608uschar *timezone_string = US TIMEZONE_DEFAULT;
1609
1610uschar *unknown_login = NULL;
1611uschar *unknown_username = NULL;
1612uschar *untrusted_set_sender = NULL;
1613
1614/* A regex for matching a "From_" line in an incoming message, in the form
1615
1616 From ph10 Fri Jan 5 12:35 GMT 1996
1617
1618which the "mail" commands send to the MTA (undocumented, of course), or in
1619the form
1620
1621 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1622
1623which is apparently used by some UUCPs, despite it not being in RFC 976.
1624Because of variations in time formats, just match up to the minutes. That
1625should be sufficient. Examples have been seen of time fields like 12:1:03,
1626so just require one digit for hours and minutes. The weekday is also absent
1627in some forms. */
1628
1629uschar *uucp_from_pattern = US
1630 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1631 "(?:" /* Non-extracting bracket */
1632 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1633 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1634 ")" /* End alternation */
1635 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1636
1637uschar *uucp_from_sender = US"$1";
1638
1639uschar *verify_mode = NULL;
1640uschar *version_copyright =
1641 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1642 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1643uschar *version_date = US"?";
1644uschar *version_cnumber = US"????";
1645uschar *version_string = US"?";
1646
1647uschar *warn_message_file = NULL;
1648int warning_count = 0;
1649uschar *warnmsg_delay = NULL;
1650uschar *warnmsg_recipients = NULL;
1651
1652
1653/* End of globals.c */
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