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TLS: Session resumption, under the EXPERIMENTAL_TLS_RESUME build option.
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
f9ba5e22 5/* Copyright (c) University of Cambridge 1995 - 2018 */
059ec3d9
PH		 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
059ec3d9
PH		 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[] = {
6c512171
PH		 18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
6f123593
JH		 20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
059ec3d9
PH		 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))},
16ff981e
PH		 28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
059ec3d9
PH		 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
c0b9d3e8 38int optionlist_auths_size = nelem(optionlist_auths);
059ec3d9
PH		 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;
2f680c0c 52BOOL opt_perl_taintmode = FALSE;
059ec3d9
PH		 53#endif
54
1a46a8c5
PH		 55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
059ec3d9
PH		 59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
bc19a55b
PP		 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;
059ec3d9 69uschar *eldap_default_servers = NULL;
bc19a55b 70uschar *eldap_require_cert = NULL;
059ec3d9 71int eldap_version = -1;
bc19a55b 72BOOL eldap_start_tls = FALSE;
059ec3d9
PH		 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
de78e2d5 87#ifdef LOOKUP_REDIS
9bdd29ad
TL		 88uschar *redis_servers = NULL;
89#endif
90
31480e42
PH		 91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
059ec3d9
PH		 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
74f1a423
JH		 101them. Also, the tls_ variables are now always visible. Note that these are
102only used for smtp connections, not for service-daemon access. */
059ec3d9 103
817d9f57 104tls_support tls_in = {
b10c87b3
JH		 105 .active = {.sock = -1}
106 /* all other elements zero */
817d9f57
JH		 107};
108tls_support tls_out = {
74f1a423 109 .active = {.sock = -1},
b10c87b3 110 /* all other elements zero */
817d9f57
JH		 111};
112
6c1c3d1d
WB		 113uschar *dsn_envid = NULL;
114int dsn_ret = 0;
115const pcre *regex_DSN = NULL;
6c1c3d1d 116uschar *dsn_advertise_hosts = NULL;
059ec3d9
PH		 117
118#ifdef SUPPORT_TLS
e6060e2c 119BOOL gnutls_compat_mode = FALSE;
2519e60d 120BOOL gnutls_allow_auto_pkcs11 = FALSE;
77bb000f 121uschar *openssl_options = NULL;
059ec3d9 122const pcre *regex_STARTTLS = NULL;
23f3dc67 123uschar *tls_advertise_hosts = US"*";
059ec3d9
PH		 124uschar *tls_certificate = NULL;
125uschar *tls_crl = NULL;
3375e053
PP		 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;
059ec3d9 130uschar *tls_dhparam = NULL;
8e53a4fc 131uschar *tls_eccurve = US"auto";
23f3dc67 132# ifndef DISABLE_OCSP
3f7eeb86 133uschar *tls_ocsp_file = NULL;
23f3dc67 134# endif
059ec3d9
PH		 135uschar *tls_privatekey = NULL;
136BOOL tls_remember_esmtp = FALSE;
137uschar *tls_require_ciphers = NULL;
b10c87b3
JH		 138# ifdef EXPERIMENTAL_TLS_RESUME
139uschar *tls_resumption_hosts = NULL;
140# endif
059ec3d9 141uschar *tls_try_verify_hosts = NULL;
0e0f3f56 142uschar *tls_verify_certificates= US"system";
059ec3d9 143uschar *tls_verify_hosts = NULL;
23f3dc67
JH		 144#else /*!SUPPORT_TLS*/
145uschar *tls_advertise_hosts = NULL;
059ec3d9
PH		 146#endif
147
8ccd00b1 148#ifndef DISABLE_PRDR
fd98a5c6
JH		 149/* Per Recipient Data Response variables */
150BOOL prdr_enable = FALSE;
151BOOL prdr_requested = FALSE;
152const pcre *regex_PRDR = NULL;
153#endif
059ec3d9 154
8c5d388a 155#ifdef SUPPORT_I18N
7ade712c
JH		 156const pcre *regex_UTF8 = NULL;
157#endif
158
059ec3d9
PH		 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
d185889f 163#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
bd8fbe36 164int (*lwr_receive_getc)(unsigned) = stdin_getc;
0d81dabc 165uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
7e3ce68e 166int (*lwr_receive_ungetc)(int) = stdin_ungetc;
bd8fbe36 167int (*receive_getc)(unsigned) = stdin_getc;
0d81dabc 168uschar * (*receive_getbuf)(unsigned *) = NULL;
584e96c6 169void (*receive_get_cache)(void)= NULL;
059ec3d9
PH		 170int (*receive_ungetc)(int) = stdin_ungetc;
171int (*receive_feof)(void) = stdin_feof;
172int (*receive_ferror)(void) = stdin_ferror;
58eb016e 173BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 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
55414b25
JH		 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,
059ec3d9
PH		 199 NULL };
200
201int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
202
8768d548
JH		 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#endif
242#ifdef EXPERIMENTAL_DMARC
243 .dmarc_has_been_checked = FALSE,
244 .dmarc_disable_verify = FALSE,
245 .dmarc_enable_forensic = FALSE,
246#endif
247 .dont_deliver = FALSE,
248 .dot_ends = TRUE,
249
250 .enable_dollar_recipients = FALSE,
251 .expand_string_forcedfail = FALSE,
252
253 .filter_running = FALSE,
254
255 .header_rewritten = FALSE,
256 .helo_verified = FALSE,
257 .helo_verify_failed = FALSE,
258 .host_checking_callout = FALSE,
259 .host_find_failed_syntax= FALSE,
260
261 .inetd_wait_mode = FALSE,
262 .is_inetd = FALSE,
263
264 .local_error_message = FALSE,
265 .log_testing_mode = FALSE,
266
267#ifdef WITH_CONTENT_SCAN
268 .no_mbox_unspool = FALSE,
269#endif
270 .no_multiline_responses = FALSE,
271
272 .parse_allow_group = FALSE,
273 .parse_found_group = FALSE,
274 .pipelining_enable = TRUE,
275#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
276 .proxy_session_failed = FALSE,
277#endif
278
279 .queue_2stage = FALSE,
280 .queue_only_policy = FALSE,
281 .queue_run_first_delivery = FALSE,
282 .queue_run_force = FALSE,
283 .queue_run_local = FALSE,
284 .queue_running = FALSE,
285 .queue_smtp = FALSE,
286
287 .really_exim = TRUE,
288 .receive_call_bombout = FALSE,
289 .recipients_discarded = FALSE,
8768d548
JH		 290 .running_in_test_harness = FALSE,
291
292 .search_find_defer = FALSE,
293 .sender_address_forced = FALSE,
294 .sender_host_notsocket = FALSE,
295 .sender_host_unknown = FALSE,
296 .sender_local = FALSE,
297 .sender_name_forced = FALSE,
298 .sender_set_untrusted = FALSE,
8768d548 299 .smtp_authenticated = FALSE,
ee8b8090
JH		 300#ifdef EXPERIMENTAL_PIPE_CONNECT
301 .smtp_in_early_pipe_advertised = FALSE,
302 .smtp_in_early_pipe_no_auth = FALSE,
303 .smtp_in_early_pipe_used = FALSE,
304#endif
8768d548
JH		 305 .smtp_in_pipelining_advertised = FALSE,
306 .smtp_in_pipelining_used = FALSE,
307 .spool_file_wireformat = FALSE,
308 .submission_mode = FALSE,
309 .suppress_local_fixups = FALSE,
310 .suppress_local_fixups_default = FALSE,
311 .synchronous_delivery = FALSE,
312 .system_filtering = FALSE,
313
314 .tcp_fastopen_ok = FALSE,
315 .tcp_in_fastopen = FALSE,
ee8b8090 316 .tcp_in_fastopen_data = FALSE,
8768d548
JH		 317 .tcp_in_fastopen_logged = FALSE,
318 .tcp_out_fastopen_logged= FALSE,
319 .timestamps_utc = FALSE,
320 .transport_filter_timed_out = FALSE,
321 .trusted_caller = FALSE,
322 .trusted_config = TRUE,
323};
324
325/******************************************************************************/
326/* These are the flags which are either variables or mainsection options,
327so an address is needed for access, or are exported to local_scan. */
328
329BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
330BOOL allow_domain_literals = FALSE;
331BOOL allow_mx_to_ip = FALSE;
332BOOL allow_utf8_domains = FALSE;
333BOOL authentication_failed = FALSE;
334
335BOOL bounce_return_body = TRUE;
336BOOL bounce_return_message = TRUE;
337BOOL check_rfc2047_length = TRUE;
338BOOL commandline_checks_require_admin = FALSE;
339
340#ifdef EXPERIMENTAL_DCC
341BOOL dcc_direct_add_header = FALSE;
342#endif
343BOOL debug_store = FALSE;
344BOOL delivery_date_remove = TRUE;
345BOOL deliver_drop_privilege = FALSE;
346#ifdef ENABLE_DISABLE_FSYNC
347BOOL disable_fsync = FALSE;
348#endif
349BOOL disable_ipv6 = FALSE;
350BOOL dns_csa_use_reverse = TRUE;
351BOOL drop_cr = FALSE; /* No longer used */
352
353BOOL envelope_to_remove = TRUE;
354BOOL exim_gid_set = TRUE; /* This gid is always set */
355BOOL exim_uid_set = TRUE; /* This uid is always set */
356BOOL extract_addresses_remove_arguments = TRUE;
357
358BOOL host_checking = FALSE;
359BOOL host_lookup_deferred = FALSE;
360BOOL host_lookup_failed = FALSE;
361BOOL ignore_fromline_local = FALSE;
362
363BOOL local_from_check = TRUE;
364BOOL local_sender_retain = FALSE;
365BOOL log_timezone = FALSE;
366BOOL message_body_newlines = FALSE;
367BOOL message_logs = TRUE;
368#ifdef SUPPORT_I18N
369BOOL message_smtputf8 = FALSE;
370#endif
371BOOL mua_wrapper = FALSE;
372
373BOOL preserve_message_logs = FALSE;
374BOOL print_topbitchars = FALSE;
375BOOL prod_requires_admin = TRUE;
376#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
377BOOL proxy_session = FALSE;
378#endif
379
380BOOL queue_list_requires_admin = TRUE;
381BOOL queue_only = FALSE;
382BOOL queue_only_load_latch = TRUE;
383BOOL queue_only_override = TRUE;
384BOOL queue_run_in_order = FALSE;
385BOOL recipients_max_reject = FALSE;
386BOOL return_path_remove = TRUE;
387
388BOOL smtp_batched_input = FALSE;
389BOOL sender_helo_dnssec = FALSE;
390BOOL sender_host_dnssec = FALSE;
391BOOL smtp_accept_keepalive = TRUE;
392BOOL smtp_check_spool_space = TRUE;
393BOOL smtp_enforce_sync = TRUE;
394BOOL smtp_etrn_serialize = TRUE;
395BOOL smtp_input = FALSE;
396BOOL smtp_return_error_details = FALSE;
397#ifdef SUPPORT_SPF
398BOOL spf_result_guessed = FALSE;
399#endif
400BOOL split_spool_directory = FALSE;
401BOOL spool_wireformat = FALSE;
402#ifdef EXPERIMENTAL_SRS
403BOOL srs_usehash = TRUE;
404BOOL srs_usetimestamp = TRUE;
405#endif
406BOOL strict_acl_vars = FALSE;
407BOOL strip_excess_angle_brackets = FALSE;
408BOOL strip_trailing_dot = FALSE;
409BOOL syslog_duplication = TRUE;
410BOOL syslog_pid = TRUE;
411BOOL syslog_timestamp = TRUE;
412BOOL system_filter_gid_set = FALSE;
413BOOL system_filter_uid_set = FALSE;
414
415BOOL tcp_nodelay = TRUE;
416BOOL write_rejectlog = TRUE;
417
418/******************************************************************************/
059ec3d9 419
71fafd95 420header_line *acl_added_headers = NULL;
059ec3d9 421tree_node *acl_anchor = NULL;
525239c1
JH		 422uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
423 NULL, NULL, NULL, NULL};
424int acl_narg = 0;
8f128379 425
e1d04f48
JH		 426int acl_level = 0;
427
059ec3d9 428uschar *acl_not_smtp = NULL;
54cdb463
PH		 429#ifdef WITH_CONTENT_SCAN
430uschar *acl_not_smtp_mime = NULL;
431#endif
45b91596 432uschar *acl_not_smtp_start = NULL;
e7568d51 433uschar *acl_removed_headers = NULL;
059ec3d9
PH		 434uschar *acl_smtp_auth = NULL;
435uschar *acl_smtp_connect = NULL;
436uschar *acl_smtp_data = NULL;
8ccd00b1 437#ifndef DISABLE_PRDR
ad07e9ad 438uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 439#endif
80a47a2c
TK		 440#ifndef DISABLE_DKIM
441uschar *acl_smtp_dkim = NULL;
442#endif
059ec3d9
PH		 443uschar *acl_smtp_etrn = NULL;
444uschar *acl_smtp_expn = NULL;
445uschar *acl_smtp_helo = NULL;
446uschar *acl_smtp_mail = NULL;
447uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 448#ifdef WITH_CONTENT_SCAN
449uschar *acl_smtp_mime = NULL;
450#endif
8f128379 451uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 452uschar *acl_smtp_predata = NULL;
453uschar *acl_smtp_quit = NULL;
454uschar *acl_smtp_rcpt = NULL;
455uschar *acl_smtp_starttls = NULL;
456uschar *acl_smtp_vrfy = NULL;
8f128379 457
38a0a95f
PH		 458tree_node *acl_var_c = NULL;
459tree_node *acl_var_m = NULL;
059ec3d9 460uschar *acl_verify_message = NULL;
059ec3d9
PH		 461string_item *acl_warn_logged = NULL;
462
463/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
464error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
465
466uschar *acl_wherenames[] = { US"RCPT",
467 US"MAIL",
468 US"PREDATA",
8523533c 469 US"MIME",
80a47a2c 470 US"DKIM",
059ec3d9 471 US"DATA",
8ccd00b1 472#ifndef DISABLE_PRDR
fd98a5c6
JH		 473 US"PRDR",
474#endif
059ec3d9
PH		 475 US"non-SMTP",
476 US"AUTH",
477 US"connection",
478 US"ETRN",
479 US"EXPN",
480 US"EHLO or HELO",
481 US"MAILAUTH",
45b91596 482 US"non-SMTP-start",
8f128379 483 US"NOTQUIT",
059ec3d9
PH		 484 US"QUIT",
485 US"STARTTLS",
723c72e6 486 US"VRFY",
faa05a93
JH		 487 US"delivery",
488 US"unknown"
059ec3d9
PH		 489 };
490
a5bd321b
PH		 491uschar *acl_wherecodes[] = { US"550", /* RCPT */
492 US"550", /* MAIL */
493 US"550", /* PREDATA */
494 US"550", /* MIME */
80a47a2c 495 US"550", /* DKIM */
a5bd321b 496 US"550", /* DATA */
8ccd00b1 497#ifndef DISABLE_PRDR
fd98a5c6
JH		 498 US"550", /* RCPT PRDR */
499#endif
a5bd321b
PH		 500 US"0", /* not SMTP; not relevant */
501 US"503", /* AUTH */
502 US"550", /* connect */
503 US"458", /* ETRN */
504 US"550", /* EXPN */
505 US"550", /* HELO/EHLO */
506 US"0", /* MAILAUTH; not relevant */
507 US"0", /* not SMTP; not relevant */
8f128379 508 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 509 US"0", /* QUIT; not relevant */
510 US"550", /* STARTTLS */
723c72e6 511 US"252", /* VRFY */
faa05a93 512 US"0", /* delivery; not relevant */
723c72e6 513 US"0" /* unknown; not relevant */
059ec3d9 514 };
8e669ac1 515
bc3c7bb7 516uschar *add_environment = NULL;
059ec3d9
PH		 517address_item *addr_duplicate = NULL;
518
519address_item address_defaults = {
f2ed27cf
JH		 520 .next = NULL,
521 .parent = NULL,
522 .first = NULL,
523 .dupof = NULL,
524 .start_router = NULL,
525 .router = NULL,
526 .transport = NULL,
527 .host_list = NULL,
528 .host_used = NULL,
529 .fallback_hosts = NULL,
530 .reply = NULL,
531 .retries = NULL,
532 .address = NULL,
533 .unique = NULL,
534 .cc_local_part = NULL,
535 .lc_local_part = NULL,
536 .local_part = NULL,
537 .prefix = NULL,
538 .suffix = NULL,
539 .domain = NULL,
540 .address_retry_key = NULL,
541 .domain_retry_key = NULL,
542 .current_dir = NULL,
543 .home_dir = NULL,
544 .message = NULL,
545 .user_message = NULL,
546 .onetime_parent = NULL,
547 .pipe_expandn = NULL,
548 .return_filename = NULL,
549 .self_hostname = NULL,
550 .shadow_message = NULL,
895fbaf2 551#ifdef SUPPORT_TLS
f2ed27cf
JH		 552 .cipher = NULL,
553 .ourcert = NULL,
554 .peercert = NULL,
555 .peerdn = NULL,
556 .ocsp = OCSP_NOT_REQ,
895fbaf2
JH		 557#endif
558#ifdef EXPERIMENTAL_DSN_INFO
f2ed27cf
JH		 559 .smtp_greeting = NULL,
560 .helo_response = NULL,
895fbaf2 561#endif
f2ed27cf
JH		 562 .authenticator = NULL,
563 .auth_id = NULL,
564 .auth_sndr = NULL,
565 .dsn_orcpt = NULL,
566 .dsn_flags = 0,
567 .dsn_aware = 0,
568 .uid = (uid_t)(-1),
569 .gid = (gid_t)(-1),
7eb0e5d2 570 .flags = { 0 },
f2ed27cf
JH		 571 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
572 .localpart_cache = { 0 }, /* localpart_cache - ditto */
573 .mode = -1,
574 .more_errno = 0,
575 .delivery_usec = 0,
576 .basic_errno = ERRNO_UNKNOWNERROR,
577 .child_count = 0,
578 .return_file = -1,
579 .special_action = SPECIAL_NONE,
580 .transport_return = DEFER,
581 .prop = { /* fields that are propagated to children */
582 .address_data = NULL,
583 .domain_data = NULL,
584 .localpart_data = NULL,
585 .errors_address = NULL,
586 .extra_headers = NULL,
587 .remove_headers = NULL,
384152a6 588#ifdef EXPERIMENTAL_SRS
f2ed27cf 589 .srs_sender = NULL,
7ade712c 590#endif
a5853d7c 591 .ignore_error = FALSE,
8c5d388a 592#ifdef SUPPORT_I18N
f2ed27cf
JH		 593 .utf8_msg = FALSE,
594 .utf8_downcvt = FALSE,
595 .utf8_downcvt_maybe = FALSE
384152a6 596#endif
059ec3d9
PH		 597 }
598};
599
600uschar *address_file = NULL;
601uschar *address_pipe = NULL;
059ec3d9
PH		 602tree_node *addresslist_anchor = NULL;
603int addresslist_count = 0;
604gid_t *admin_groups = NULL;
617d3932
JH		 605
606#ifdef EXPERIMENTAL_ARC
607struct arc_set *arc_received = NULL;
608int arc_received_instance = 0;
609int arc_oldest_pass = 0;
610const uschar *arc_state = NULL;
93c931f8 611const uschar *arc_state_reason = NULL;
617d3932
JH		 612#endif
613
2d07a215 614uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 615uschar *authenticated_id = NULL;
616uschar *authenticated_sender = NULL;
059ec3d9
PH		 617auth_instance *auths = NULL;
618uschar *auth_advertise_hosts = US"*";
619auth_instance auth_defaults = {
f2ed27cf
JH		 620 .next = NULL,
621 .name = NULL,
622 .info = NULL,
623 .options_block = NULL,
624 .driver_name = NULL,
625 .advertise_condition = NULL,
626 .client_condition = NULL,
627 .public_name = NULL,
628 .set_id = NULL,
629 .set_client_id = NULL,
630 .mail_auth_condition = NULL,
631 .server_debug_string = NULL,
632 .server_condition = NULL,
633 .client = FALSE,
634 .server = FALSE,
635 .advertised = FALSE
059ec3d9
PH		 636};
637
638uschar *auth_defer_msg = US"reason not recorded";
639uschar *auth_defer_user_msg = US"";
f78eb7c6 640uschar *auth_vars[AUTH_VARS];
059ec3d9 641int auto_thaw = 0;
8523533c 642#ifdef WITH_CONTENT_SCAN
8768d548 643int av_failed = FALSE; /* boolean but accessed as vtype_int*/
8523533c
TK		 644uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
645#endif
059ec3d9 646
9a799bc0 647#if BASE_62 == 62
059ec3d9
PH		 648uschar *base62_chars=
649 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 650#else
651uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
652#endif
653
059ec3d9
PH		 654uschar *bi_command = NULL;
655uschar *big_buffer = NULL;
656int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 657#ifdef EXPERIMENTAL_BRIGHTMAIL
658uschar *bmi_alt_location = NULL;
659uschar *bmi_base64_tracker_verdict = NULL;
660uschar *bmi_base64_verdict = NULL;
661uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
662int bmi_deliver = 1;
663int bmi_run = 0;
664uschar *bmi_verdicts = NULL;
665#endif
32b8ce41 666int bsmtp_transaction_linecount = 0;
939c3e34 667int body_8bitmime = 0;
059ec3d9
PH		 668int body_linecount = 0;
669int body_zerocount = 0;
670uschar *bounce_message_file = NULL;
671uschar *bounce_message_text = NULL;
672uschar *bounce_recipient = NULL;
62b7cd08 673int bounce_return_linesize_limit = 998;
059ec3d9
PH		 674int bounce_return_size_limit = 100*1024;
675uschar *bounce_sender_authentication = NULL;
059ec3d9 676
055e2cb4 677uschar *callout_address = NULL;
059ec3d9
PH		 678int callout_cache_domain_positive_expire = 7*24*60*60;
679int callout_cache_domain_negative_expire = 3*60*60;
680int callout_cache_positive_expire = 24*60*60;
681int callout_cache_negative_expire = 2*60*60;
682uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 683uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a 684int check_log_inodes = 100;
a45431fa 685int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
ddf1b11a 686int check_spool_inodes = 100;
a45431fa 687int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 688
aa368db3 689uschar *chunking_advertise_hosts = US"*";
18481de3 690unsigned chunking_datasize = 0;
7e3ce68e 691unsigned chunking_data_left = 0;
18481de3 692chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 693const pcre *regex_CHUNKING = NULL;
18481de3 694
aa368db3
JH		 695uschar *client_authenticator = NULL;
696uschar *client_authenticated_id = NULL;
697uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 698int clmacro_count = 0;
699uschar *clmacros[MAX_CLMACROS];
059ec3d9 700FILE *config_file = NULL;
18d6b513 701const uschar *config_filename = NULL;
059ec3d9 702int config_lineno = 0;
35edf2ff
PH		 703#ifdef CONFIGURE_GROUP
704gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR		 705#else
706gid_t config_gid = 0;
35edf2ff 707#endif
059ec3d9
PH		 708uschar *config_main_filelist = US CONFIGURE_FILE
709 "\0<-----------Space to patch configure_filename->";
710uschar *config_main_filename = NULL;
98b8312f 711uschar *config_main_directory = NULL;
059ec3d9
PH		 712
713#ifdef CONFIGURE_OWNER
714uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR		 715#else
716uid_t config_uid = 0;
059ec3d9
PH		 717#endif
718
719int connection_max_messages= -1;
5013d912 720uschar *continue_proxy_cipher = NULL;
059ec3d9
PH		 721uschar *continue_hostname = NULL;
722uschar *continue_host_address = NULL;
059ec3d9
PH		 723int continue_sequence = 1;
724uschar *continue_transport = NULL;
725
e5a9dba6 726uschar *csa_status = NULL;
5032d1cf 727cut_t cutthrough = {
f2ed27cf
JH		 728 .callout_hold_only = FALSE, /* verify-only: normal delivery */
729 .delivery = FALSE, /* when to attempt */
730 .defer_pass = FALSE, /* on defer: spool locally */
731 .is_tls = FALSE, /* not a TLS conn yet */
74f1a423 732 .cctx = {.sock = -1}, /* open connection */
f2ed27cf 733 .nrcpt = 0, /* number of addresses */
5032d1cf 734};
e5a9dba6 735
059ec3d9 736uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 737int daemon_startup_retries = 9;
738int daemon_startup_sleep = 30;
6a8f9482
TK		 739
740#ifdef EXPERIMENTAL_DCC
6a8f9482
TK		 741uschar *dcc_header = NULL;
742uschar *dcc_result = NULL;
743uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
744uschar *dccifd_options = US"header";
745#endif
746
059ec3d9
PH		 747int debug_fd = -1;
748FILE *debug_file = NULL;
6c6d6e48
TF		 749int debug_notall[] = {
750 Di_memory,
ae8f9024 751 Di_noutf8,
6c6d6e48 752 -1
059ec3d9 753};
ae8f9024
JH		 754bit_table debug_options[] = { /* must be in alphabetical order and use
755 only the enum values from macro.h */
6c6d6e48
TF		 756 BIT_TABLE(D, acl),
757 BIT_TABLE(D, all),
758 BIT_TABLE(D, auth),
759 BIT_TABLE(D, deliver),
760 BIT_TABLE(D, dns),
761 BIT_TABLE(D, dnsbl),
762 BIT_TABLE(D, exec),
763 BIT_TABLE(D, expand),
764 BIT_TABLE(D, filter),
765 BIT_TABLE(D, hints_lookup),
766 BIT_TABLE(D, host_lookup),
767 BIT_TABLE(D, ident),
768 BIT_TABLE(D, interface),
769 BIT_TABLE(D, lists),
770 BIT_TABLE(D, load),
771 BIT_TABLE(D, local_scan),
772 BIT_TABLE(D, lookup),
773 BIT_TABLE(D, memory),
ae8f9024 774 BIT_TABLE(D, noutf8),
6c6d6e48
TF		 775 BIT_TABLE(D, pid),
776 BIT_TABLE(D, process_info),
777 BIT_TABLE(D, queue_run),
778 BIT_TABLE(D, receive),
779 BIT_TABLE(D, resolver),
780 BIT_TABLE(D, retry),
781 BIT_TABLE(D, rewrite),
782 BIT_TABLE(D, route),
783 BIT_TABLE(D, timestamp),
784 BIT_TABLE(D, tls),
785 BIT_TABLE(D, transport),
786 BIT_TABLE(D, uid),
787 BIT_TABLE(D, verify),
788};
789int debug_options_count = nelem(debug_options);
790
059ec3d9
PH		 791unsigned int debug_selector = 0;
792int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 793uschar *delay_warning_condition=
794 US"${if or {"
e85a7ad5 795 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 796 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
797 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
798 "} {no}{yes}}";
059ec3d9
PH		 799uschar *deliver_address_data = NULL;
800int deliver_datafile = -1;
55414b25 801const uschar *deliver_domain = NULL;
059ec3d9 802uschar *deliver_domain_data = NULL;
55414b25
JH		 803const uschar *deliver_domain_orig = NULL;
804const uschar *deliver_domain_parent = NULL;
19050083 805time_t deliver_frozen_at = 0;
059ec3d9 806uschar *deliver_home = NULL;
55414b25
JH		 807const uschar *deliver_host = NULL;
808const uschar *deliver_host_address = NULL;
a7538db1 809int deliver_host_port = 0;
059ec3d9
PH		 810uschar *deliver_in_buffer = NULL;
811ino_t deliver_inode = 0;
812uschar *deliver_localpart = NULL;
813uschar *deliver_localpart_data = NULL;
814uschar *deliver_localpart_orig = NULL;
815uschar *deliver_localpart_parent = NULL;
816uschar *deliver_localpart_prefix = NULL;
817uschar *deliver_localpart_suffix = NULL;
059ec3d9
PH		 818uschar *deliver_out_buffer = NULL;
819int deliver_queue_load_max = -1;
820address_item *deliver_recipients = NULL;
821uschar *deliver_selectstring = NULL;
059ec3d9 822uschar *deliver_selectstring_sender = NULL;
059ec3d9 823
80a47a2c 824#ifndef DISABLE_DKIM
64b67b65 825unsigned dkim_collect_input = 0;
2df588c9 826uschar *dkim_cur_signer = NULL;
abe1010c 827int dkim_key_length = 0;
b4757e36 828void *dkim_signatures = NULL;
9e5d6b55 829uschar *dkim_signers = NULL;
f7572e5a
TK		 830uschar *dkim_signing_domain = NULL;
831uschar *dkim_signing_selector = NULL;
2c47372f 832uschar *dkim_verify_overall = NULL;
9e5d6b55 833uschar *dkim_verify_signers = US"$dkim_signers";
a79d8834
JH		 834uschar *dkim_verify_status = NULL;
835uschar *dkim_verify_reason = NULL;
f7572e5a 836#endif
4840604e 837#ifdef EXPERIMENTAL_DMARC
8c8b8274 838uschar *dmarc_domain_policy = NULL;
4840604e
TL		 839uschar *dmarc_forensic_sender = NULL;
840uschar *dmarc_history_file = NULL;
841uschar *dmarc_status = NULL;
842uschar *dmarc_status_text = NULL;
dbb8fff1 843uschar *dmarc_tld_file = US DMARC_TLD_FILE;
4840604e 844uschar *dmarc_used_domain = NULL;
4840604e 845#endif
f7572e5a 846
059ec3d9 847uschar *dns_again_means_nonexist = NULL;
e5a9dba6 848int dns_csa_search_limit = 5;
d8d9f930 849int dns_cname_loops = 1;
c0635b6d 850#ifdef SUPPORT_DANE
e682570f
TL		 851int dns_dane_ok = -1;
852#endif
059ec3d9
PH		 853uschar *dns_ipv4_lookup = NULL;
854int dns_retrans = 0;
855int dns_retry = 0;
0fbd9bff 856int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 857uschar *dns_trust_aa = NULL;
e97d1f08 858int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 859uschar *dnslist_domain = NULL;
93655c46 860uschar *dnslist_matched = NULL;
059ec3d9
PH		 861uschar *dnslist_text = NULL;
862uschar *dnslist_value = NULL;
863tree_node *domainlist_anchor = NULL;
864int domainlist_count = 0;
0e22dfd1 865uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9 866
059ec3d9
PH		 867int errno_quota = ERRNO_QUOTA;
868uschar *errors_copy = NULL;
869int error_handling = ERRORS_SENDER;
870uschar *errors_reply_to = NULL;
871int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 872#ifndef DISABLE_EVENT
723fe533 873uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 874uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 875int event_defer_errno = 0;
55414b25 876const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 877#endif
878
059ec3d9
PH		 879
880gid_t exim_gid = EXIM_GID;
059ec3d9
PH		 881uschar *exim_path = US BIN_DIRECTORY "/exim"
882 "\0<---------------Space to patch exim_path->";
883uid_t exim_uid = EXIM_UID;
e1d04f48 884int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH		 885int expand_forbid = 0;
886int expand_nlength[EXPAND_MAXN+1];
887int expand_nmax = -1;
888uschar *expand_nstring[EXPAND_MAXN+1];
059ec3d9 889uschar *expand_string_message;
059ec3d9
PH		 890uschar *extra_local_interfaces = NULL;
891
29aba418 892int fake_response = OK;
0e22dfd1
PH		 893uschar *fake_response_text = US"Your message has been rejected but is "
894 "being kept for evaluation.\nIf it was a "
895 "legitimate message, it may still be "
896 "delivered to the target recipient(s).";
059ec3d9 897int filter_n[FILTER_VARIABLE_COUNT];
059ec3d9 898int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 899int filter_test = FTEST_NONE;
900uschar *filter_test_sfile = NULL;
901uschar *filter_test_ufile = NULL;
059ec3d9
PH		 902uschar *filter_thisaddress = NULL;
903int finduser_retries = 0;
904uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
905uschar *freeze_tell = NULL;
6a3f1455 906uschar *freeze_tell_config = NULL;
059ec3d9
PH		 907uschar *fudged_queue_times = US"";
908
909uschar *gecos_name = NULL;
910uschar *gecos_pattern = NULL;
911rewrite_rule *global_rewrite_rules = NULL;
912
9723f966
JH		 913volatile sig_atomic_t had_command_timeout = 0;
914volatile sig_atomic_t had_command_sigterm = 0;
915volatile sig_atomic_t had_data_timeout = 0;
916volatile sig_atomic_t had_data_sigint = 0;
059ec3d9
PH		 917uschar *headers_charset = US HEADERS_CHARSET;
918int header_insert_maxlen = 64 * 1024;
919header_line *header_last = NULL;
920header_line *header_list = NULL;
921int header_maxsize = HEADER_MAXSIZE;
922int header_line_maxsize = 0;
923
924header_name header_names[] = {
f2ed27cf
JH		 925 /* name len allow_resent htype */
926 { US"bcc", 3, TRUE, htype_bcc },
927 { US"cc", 2, TRUE, htype_cc },
928 { US"date", 4, TRUE, htype_date },
929 { US"delivery-date", 13, FALSE, htype_delivery_date },
930 { US"envelope-to", 11, FALSE, htype_envelope_to },
931 { US"from", 4, TRUE, htype_from },
932 { US"message-id", 10, TRUE, htype_id },
933 { US"received", 8, FALSE, htype_received },
934 { US"reply-to", 8, FALSE, htype_reply_to },
935 { US"return-path", 11, FALSE, htype_return_path },
936 { US"sender", 6, TRUE, htype_sender },
937 { US"subject", 7, FALSE, htype_subject },
938 { US"to", 2, TRUE, htype_to }
059ec3d9
PH		 939};
940
617d3932 941int header_names_size = nelem(header_names);
059ec3d9 942
059ec3d9
PH		 943uschar *helo_accept_junk_hosts = NULL;
944uschar *helo_allow_chars = US"";
945uschar *helo_lookup_domains = US"@ : @[]";
946uschar *helo_try_verify_hosts = NULL;
059ec3d9 947uschar *helo_verify_hosts = NULL;
1ba28e2b 948const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9 949uschar *hold_domains = NULL;
059ec3d9 950uschar *host_data = NULL;
059ec3d9 951uschar *host_lookup = NULL;
059ec3d9
PH		 952uschar *host_lookup_order = US"bydns:byaddr";
953uschar *host_lookup_msg = US"";
954int host_number = 0;
955uschar *host_number_string = NULL;
956uschar *host_reject_connection = NULL;
957tree_node *hostlist_anchor = NULL;
958int hostlist_count = 0;
959uschar *hosts_treat_as_local = NULL;
960uschar *hosts_connection_nolog = NULL;
961
962int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
059ec3d9 963uschar *ignore_fromline_hosts = NULL;
9ee44efb 964int inetd_wait_timeout = -1;
3615fa9a 965uschar *initial_cwd = NULL;
059ec3d9
PH		 966uschar *interface_address = NULL;
967int interface_port = -1;
0ce9abe6 968uschar *iterate_item = NULL;
059ec3d9
PH		 969
970int journal_fd = -1;
971
bc3c7bb7
HSHR		 972uschar *keep_environment = NULL;
973
059ec3d9
PH		 974int keep_malformed = 4*24*60*60; /* 4 days */
975
976uschar *eldap_dn = NULL;
977int load_average = -2;
059ec3d9
PH		 978uschar *local_from_prefix = NULL;
979uschar *local_from_suffix = NULL;
980
981#if HAVE_IPV6
982uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
983#else
984uschar *local_interfaces = US"0.0.0.0";
985#endif
986
9723f966 987#ifdef HAVE_LOCAL_SCAN
059ec3d9
PH		 988uschar *local_scan_data = NULL;
989int local_scan_timeout = 5*60;
9723f966 990#endif
059ec3d9
PH		 991gid_t local_user_gid = (gid_t)(-1);
992uid_t local_user_uid = (uid_t)(-1);
993
994tree_node *localpartlist_anchor= NULL;
995int localpartlist_count = 0;
996uschar *log_buffer = NULL;
6c6d6e48
TF		 997
998int log_default[] = { /* for initializing log_selector */
999 Li_acl_warn_skipped,
1000 Li_connection_reject,
1001 Li_delay_delivery,
2c47372f 1002 Li_dkim,
6c6d6e48
TF		 1003 Li_dnslist_defer,
1004 Li_etrn,
1005 Li_host_lookup_failed,
1006 Li_lost_incoming_connection,
ac881e27 1007 Li_outgoing_interface, /* see d_log_interface in deliver.c */
049782c0 1008 Li_msg_id,
6c6d6e48
TF		 1009 Li_queue_run,
1010 Li_rejected_header,
1011 Li_retry_defer,
1012 Li_sender_verify_fail,
1013 Li_size_reject,
1014 Li_skip_delivery,
1015 Li_smtp_confirmation,
1016 Li_tls_certificate_verified,
1017 Li_tls_cipher,
1018 -1
1019};
1020
059ec3d9
PH		 1021uschar *log_file_path = US LOG_FILE_PATH
1022 "\0<--------------Space to patch log_file_path->";
1023
6c6d6e48
TF		 1024int log_notall[] = {
1025 -1
1026};
b10c87b3
JH		 1027bit_table log_options[] = { /* must be in alphabetical order,
1028 with definitions from enum logbit. */
6c6d6e48
TF		 1029 BIT_TABLE(L, 8bitmime),
1030 BIT_TABLE(L, acl_warn_skipped),
1031 BIT_TABLE(L, address_rewrite),
1032 BIT_TABLE(L, all),
1033 BIT_TABLE(L, all_parents),
1034 BIT_TABLE(L, arguments),
1035 BIT_TABLE(L, connection_reject),
1036 BIT_TABLE(L, delay_delivery),
1037 BIT_TABLE(L, deliver_time),
1038 BIT_TABLE(L, delivery_size),
2c47372f
JH		 1039#ifndef DISABLE_DKIM
1040 BIT_TABLE(L, dkim),
1041 BIT_TABLE(L, dkim_verbose),
1042#endif
6c6d6e48 1043 BIT_TABLE(L, dnslist_defer),
fc16abb4 1044 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 1045 BIT_TABLE(L, etrn),
1046 BIT_TABLE(L, host_lookup_failed),
1047 BIT_TABLE(L, ident_timeout),
1048 BIT_TABLE(L, incoming_interface),
1049 BIT_TABLE(L, incoming_port),
1050 BIT_TABLE(L, lost_incoming_connection),
571b2715 1051 BIT_TABLE(L, millisec),
049782c0
JH		 1052 BIT_TABLE(L, msg_id),
1053 BIT_TABLE(L, msg_id_created),
ac881e27 1054 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 1055 BIT_TABLE(L, outgoing_port),
1056 BIT_TABLE(L, pid),
7c576fca 1057 BIT_TABLE(L, pipelining),
2c47372f 1058#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
6c6d6e48
TF		 1059 BIT_TABLE(L, proxy),
1060#endif
1061 BIT_TABLE(L, queue_run),
1062 BIT_TABLE(L, queue_time),
1063 BIT_TABLE(L, queue_time_overall),
306c6c77 1064 BIT_TABLE(L, receive_time),
6c6d6e48
TF		 1065 BIT_TABLE(L, received_recipients),
1066 BIT_TABLE(L, received_sender),
1067 BIT_TABLE(L, rejected_header),
1068 { US"rejected_headers", Li_rejected_header },
1069 BIT_TABLE(L, retry_defer),
1070 BIT_TABLE(L, return_path_on_delivery),
1071 BIT_TABLE(L, sender_on_delivery),
1072 BIT_TABLE(L, sender_verify_fail),
1073 BIT_TABLE(L, size_reject),
1074 BIT_TABLE(L, skip_delivery),
1075 BIT_TABLE(L, smtp_confirmation),
1076 BIT_TABLE(L, smtp_connection),
1077 BIT_TABLE(L, smtp_incomplete_transaction),
1078 BIT_TABLE(L, smtp_mailauth),
1079 BIT_TABLE(L, smtp_no_mail),
1080 BIT_TABLE(L, smtp_protocol_error),
1081 BIT_TABLE(L, smtp_syntax_error),
1082 BIT_TABLE(L, subject),
1083 BIT_TABLE(L, tls_certificate_verified),
1084 BIT_TABLE(L, tls_cipher),
1085 BIT_TABLE(L, tls_peerdn),
b10c87b3 1086 BIT_TABLE(L, tls_resumption),
6c6d6e48
TF		 1087 BIT_TABLE(L, tls_sni),
1088 BIT_TABLE(L, unknown_in_list),
059ec3d9 1089};
6c6d6e48 1090int log_options_count = nelem(log_options);
059ec3d9 1091
6ea85e9a 1092int log_reject_target = 0;
6c6d6e48 1093unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 1094uschar *log_selector_string = NULL;
1095FILE *log_stderr = NULL;
059ec3d9 1096uschar *login_sender_address = NULL;
4e0983dc 1097uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 1098int lookup_open_max = 25;
1099uschar *lookup_value = NULL;
1100
85e03244 1101macro_item *macros_user = NULL;
059ec3d9 1102uschar *mailstore_basename = NULL;
8523533c
TK		 1103#ifdef WITH_CONTENT_SCAN
1104uschar *malware_name = NULL; /* Virus Name */
1105#endif
d677b2f2 1106int max_received_linelength= 0;
059ec3d9
PH		 1107int max_username_length = 0;
1108int message_age = 0;
1109uschar *message_body = NULL;
1110uschar *message_body_end = NULL;
1111int message_body_size = 0;
1112int message_body_visible = 500;
1113int message_ended = END_NOTSTARTED;
1114uschar *message_headers = NULL;
1115uschar *message_id;
1116uschar *message_id_domain = NULL;
1117uschar *message_id_text = NULL;
1118struct timeval message_id_tv = { 0, 0 };
1119uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1120uschar *message_id_external;
1121int message_linecount = 0;
059ec3d9
PH		 1122int message_size = 0;
1123uschar *message_size_limit = US"50M";
8c5d388a 1124#ifdef SUPPORT_I18N
3c8b3577 1125int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 1126#endif
059ec3d9
PH		 1127uschar message_subdir[2] = { 0, 0 };
1128uschar *message_reference = NULL;
8523533c
TK		 1129
1130/* MIME ACL expandables */
1131#ifdef WITH_CONTENT_SCAN
f7b63901 1132int mime_anomaly_level = 0;
1ba28e2b 1133const uschar *mime_anomaly_text = NULL;
8523533c
TK		 1134uschar *mime_boundary = NULL;
1135uschar *mime_charset = NULL;
1136uschar *mime_content_description = NULL;
1137uschar *mime_content_disposition = NULL;
1138uschar *mime_content_id = NULL;
1139unsigned int mime_content_size = 0;
1140uschar *mime_content_transfer_encoding = NULL;
1141uschar *mime_content_type = NULL;
1142uschar *mime_decoded_filename = NULL;
1143uschar *mime_filename = NULL;
1144int mime_is_multipart = 0;
1145int mime_is_coverletter = 0;
1146int mime_is_rfc822 = 0;
1147int mime_part_count = -1;
1148#endif
1149
059ec3d9 1150uid_t *never_users = NULL;
059ec3d9 1151
fb05276a
JH		 1152const int on = 1; /* for setsockopt */
1153const int off = 0;
1154
059ec3d9
PH		 1155uid_t original_euid;
1156gid_t originator_gid;
1157uschar *originator_login = NULL;
1158uschar *originator_name = NULL;
1159uid_t originator_uid;
1160uschar *override_local_interfaces = NULL;
1161uschar *override_pid_file_path = NULL;
1162
059ec3d9
PH		 1163uschar *percent_hack_domains = NULL;
1164uschar *pid_file_path = US PID_FILE_PATH
1165 "\0<--------------Space to patch pid_file_path->";
ee8b8090
JH		 1166#ifdef EXPERIMENTAL_PIPE_CONNECT
1167uschar *pipe_connect_advertise_hosts = US"*";
1168#endif
059ec3d9 1169uschar *pipelining_advertise_hosts = US"*";
059ec3d9 1170uschar *primary_hostname = NULL;
059ec3d9 1171uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1172int process_info_len = 0;
059ec3d9 1173uschar *process_log_path = NULL;
a3c86431 1174
e6d2a989 1175#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
eb58ddf5
JH		 1176uschar *hosts_proxy = NULL;
1177uschar *proxy_external_address = NULL;
e6d2a989 1178int proxy_external_port = 0;
eb58ddf5 1179uschar *proxy_local_address = NULL;
e6d2a989 1180int proxy_local_port = 0;
a3c86431
TL		 1181#endif
1182
fffda43a
TK		 1183uschar *prvscheck_address = NULL;
1184uschar *prvscheck_keynum = NULL;
1185uschar *prvscheck_result = NULL;
1186
059ec3d9 1187
55414b25 1188const uschar *qualify_domain_recipient = NULL;
059ec3d9 1189uschar *qualify_domain_sender = NULL;
059ec3d9
PH		 1190uschar *queue_domains = NULL;
1191int queue_interval = -1;
a2da3176 1192uschar *queue_name = US"";
059ec3d9
PH		 1193uschar *queue_only_file = NULL;
1194int queue_only_load = -1;
0cd5fd23 1195uschar *queue_run_max = US"5";
059ec3d9
PH		 1196pid_t queue_run_pid = (pid_t)0;
1197int queue_run_pipe = -1;
059ec3d9
PH		 1198uschar *queue_smtp_domains = NULL;
1199
3ea7e280 1200uint32_t random_seed = 0;
fe0dab11 1201tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1202tree_node *ratelimiters_conn = NULL;
1203tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1204uschar *raw_active_hostname = NULL;
1205uschar *raw_sender = NULL;
1206uschar **raw_recipients = NULL;
1207int raw_recipients_count = 0;
1208
1209int rcpt_count = 0;
1210int rcpt_fail_count = 0;
1211int rcpt_defer_count = 0;
1212gid_t real_gid;
1213uid_t real_uid;
059ec3d9
PH		 1214int receive_linecount = 0;
1215int receive_messagecount = 0;
1216int receive_timeout = 0;
1217int received_count = 0;
1218uschar *received_for = NULL;
1219
1220/* This is the default text for Received headers generated by Exim. The
1221date will be automatically added on the end. */
1222
1223uschar *received_header_text = US
1224 "Received: "
1225 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
f1be21cf
JH		 1226 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1227 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
059ec3d9 1228 "by $primary_hostname "
f1be21cf
JH		 1229 "${if def:received_protocol {with $received_protocol }}"
1230#ifdef SUPPORT_TLS
1231 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1232#endif
059ec3d9 1233 "(Exim $version_number)\n\t"
3e46c1aa 1234 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1235 "id $message_exim_id"
059ec3d9
PH		 1236 "${if def:received_for {\n\tfor $received_for}}"
1237 "\0<---------------Space to patch received_header_text->";
1238
1239int received_headers_max = 30;
1240uschar *received_protocol = NULL;
32dfdf8b 1241struct timeval received_time = { 0, 0 };
306c6c77 1242struct timeval received_time_taken = { 0, 0 };
059ec3d9
PH		 1243uschar *recipient_data = NULL;
1244uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1245uschar *recipient_verify_failure = NULL;
059ec3d9 1246int recipients_count = 0;
059ec3d9
PH		 1247recipient_item *recipients_list = NULL;
1248int recipients_list_max = 0;
1249int recipients_max = 0;
059ec3d9
PH		 1250const pcre *regex_AUTH = NULL;
1251const pcre *regex_check_dns_names = NULL;
1252const pcre *regex_From = NULL;
f1513293 1253const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1254const pcre *regex_PIPELINING = NULL;
1255const pcre *regex_SIZE = NULL;
ee8b8090
JH		 1256#ifdef EXPERIMENTAL_PIPE_CONNECT
1257const pcre *regex_EARLY_PIPE = NULL;
1258#endif
059ec3d9 1259const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1260const pcre *regex_smtp_code = NULL;
1261uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1262#ifdef WHITELIST_D_MACROS
1263const pcre *regex_whitelisted_macro = NULL;
1264#endif
8523533c
TK		 1265#ifdef WITH_CONTENT_SCAN
1266uschar *regex_match_string = NULL;
1267#endif
059ec3d9
PH		 1268int remote_delivery_count = 0;
1269int remote_max_parallel = 2;
1270uschar *remote_sort_domains = NULL;
1271int retry_data_expire = 7*24*60*60;
1272int retry_interval_max = 24*60*60;
1273int retry_maximum_timeout = 0; /* set from retry config */
1274retry_config *retries = NULL;
1275uschar *return_path = NULL;
059ec3d9 1276int rewrite_existflags = 0;
f926e272
JH		 1277uschar *rfc1413_hosts = US"@[]";
1278int rfc1413_query_timeout = 0;
c1d94452 1279uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1280uid_t root_uid = ROOT_UID;
1281
1282router_instance *routers = NULL;
1283router_instance router_defaults = {
f2ed27cf
JH		 1284 .next = NULL,
1285 .name = NULL,
1286 .info = NULL,
1287 .options_block = NULL,
1288 .driver_name = NULL,
059ec3d9 1289
f2ed27cf 1290 .address_data = NULL,
8523533c 1291#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf 1292 .bmi_rule = NULL,
8e669ac1 1293#endif
f2ed27cf
JH		 1294 .cannot_route_message = NULL,
1295 .condition = NULL,
1296 .current_directory = NULL,
1297 .debug_string = NULL,
1298 .domains = NULL,
1299 .errors_to = NULL,
1300 .expand_gid = NULL,
1301 .expand_uid = NULL,
1302 .expand_more = NULL,
1303 .expand_unseen = NULL,
1304 .extra_headers = NULL,
1305 .fallback_hosts = NULL,
1306 .home_directory = NULL,
1307 .ignore_target_hosts = NULL,
1308 .local_parts = NULL,
1309 .pass_router_name = NULL,
1310 .prefix = NULL,
1311 .redirect_router_name = NULL,
1312 .remove_headers = NULL,
1313 .require_files = NULL,
1314 .router_home_directory = NULL,
1315 .self = US"freeze",
1316 .senders = NULL,
1317 .suffix = NULL,
1318 .translate_ip_address = NULL,
1319 .transport_name = NULL,
1320
1321 .address_test = TRUE,
8523533c 1322#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf
JH		 1323 .bmi_deliver_alternate = FALSE,
1324 .bmi_deliver_default = FALSE,
1325 .bmi_dont_deliver = FALSE,
8523533c 1326#endif
f2ed27cf
JH		 1327 .expn = TRUE,
1328 .caseful_local_part = FALSE,
1329 .check_local_user = FALSE,
1330 .disable_logging = FALSE,
1331 .fail_verify_recipient = FALSE,
1332 .fail_verify_sender = FALSE,
1333 .gid_set = FALSE,
1334 .initgroups = FALSE,
1335 .log_as_local = TRUE_UNSET,
1336 .more = TRUE,
1337 .pass_on_timeout = FALSE,
1338 .prefix_optional = FALSE,
1339 .repeat_use = TRUE,
1340 .retry_use_local_part = TRUE_UNSET,
1341 .same_domain_copy_routing = FALSE,
1342 .self_rewrite = FALSE,
1343 .suffix_optional = FALSE,
1344 .verify_only = FALSE,
1345 .verify_recipient = TRUE,
1346 .verify_sender = TRUE,
1347 .uid_set = FALSE,
1348 .unseen = FALSE,
1349 .dsn_lasthop = FALSE,
1350
1351 .self_code = self_freeze,
1352 .uid = (uid_t)(-1),
1353 .gid = (gid_t)(-1),
1354
1355 .fallback_hostlist = NULL,
1356 .transport = NULL,
1357 .pass_router = NULL,
1358 .redirect_router = NULL,
1359
1360 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1361};
1362
181d9bf8
JH		 1363uschar *router_name = NULL;
1364
059ec3d9 1365ip_address_item *running_interfaces = NULL;
059ec3d9
PH		 1366
1367/* This is a weird one. The following string gets patched in the binary by the
1368script that sets up a copy of Exim for running in the test harness. It seems
1369that compilers are now clever, and share constant strings if they can.
1370Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1371make use of the end of this string in order to save space. So the patching then
8669f003 1372wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1373onto the end of the string. */
1374
1375uschar *running_status = US">>>running<<<" "\0EXTRA";
1376
1377int runrc = 0;
1378
1379uschar *search_error_message = NULL;
059ec3d9
PH		 1380uschar *self_hostname = NULL;
1381uschar *sender_address = NULL;
1382unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1383uschar *sender_address_data = NULL;
059ec3d9
PH		 1384uschar *sender_address_unrewritten = NULL;
1385uschar *sender_data = NULL;
1386unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1387uschar *sender_fullhost = NULL;
1388uschar *sender_helo_name = NULL;
1389uschar **sender_host_aliases = &no_aliases;
1390uschar *sender_host_address = NULL;
1391uschar *sender_host_authenticated = NULL;
c44ff8be 1392uschar *sender_host_auth_pubname = NULL;
059ec3d9
PH		 1393unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1394uschar *sender_host_name = NULL;
1395int sender_host_port = 0;
059ec3d9 1396uschar *sender_ident = NULL;
870f6ba8
TF		 1397uschar *sender_rate = NULL;
1398uschar *sender_rate_limit = NULL;
1399uschar *sender_rate_period = NULL;
059ec3d9 1400uschar *sender_rcvhost = NULL;
059ec3d9 1401uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1402uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1403address_item *sender_verified_list = NULL;
1404address_item *sender_verified_failed = NULL;
1405int sender_verified_rc = -1;
41c7c167
PH		 1406uschar *sending_ip_address = NULL;
1407int sending_port = -1;
cd59ab18 1408SIGNAL_BOOL sigalrm_seen = FALSE;
c2a1bba0 1409const uschar *sigalarm_setter = NULL;
059ec3d9 1410uschar **sighup_argv = NULL;
846430d9 1411int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9 1412int smtp_accept_count = 0;
059ec3d9
PH		 1413int smtp_accept_max = 20;
1414int smtp_accept_max_nonmail= 10;
1415uschar *smtp_accept_max_nonmail_hosts = US"*";
1416int smtp_accept_max_per_connection = 1000;
1417uschar *smtp_accept_max_per_host = NULL;
1418int smtp_accept_queue = 0;
1419int smtp_accept_queue_per_connection = 10;
1420int smtp_accept_reserve = 0;
1421uschar *smtp_active_hostname = NULL;
1f5b4c3d 1422uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1423 "Exim $version_number $tod_full"
1424 "\0<---------------Space to patch smtp_banner->";
b4ed4da0 1425int smtp_ch_index = 0;
3ee512ff
PH		 1426uschar *smtp_cmd_argument = NULL;
1427uschar *smtp_cmd_buffer = NULL;
0f1a8658 1428struct timeval smtp_connection_start = {0,0};
b4ed4da0 1429uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1430int smtp_connect_backlog = 20;
1431double smtp_delay_mail = 0.0;
1432double smtp_delay_rcpt = 0.0;
059ec3d9 1433FILE *smtp_in = NULL;
059ec3d9
PH		 1434int smtp_load_reserve = -1;
1435int smtp_mailcmd_count = 0;
1436FILE *smtp_out = NULL;
1437uschar *smtp_etrn_command = NULL;
059ec3d9
PH		 1438int smtp_max_synprot_errors= 3;
1439int smtp_max_unknown_commands = 3;
8f128379 1440uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1441uschar *smtp_ratelimit_hosts = NULL;
1442uschar *smtp_ratelimit_mail = NULL;
1443uschar *smtp_ratelimit_rcpt = NULL;
1444uschar *smtp_read_error = US"";
1445int smtp_receive_timeout = 5*60;
1ad6489e 1446uschar *smtp_receive_timeout_s = NULL;
059ec3d9 1447uschar *smtp_reserve_hosts = NULL;
059ec3d9
PH		 1448int smtp_rlm_base = 0;
1449double smtp_rlm_factor = 0.0;
1450int smtp_rlm_limit = 0;
1451int smtp_rlm_threshold = INT_MAX;
1452int smtp_rlr_base = 0;
1453double smtp_rlr_factor = 0.0;
1454int smtp_rlr_limit = 0;
1455int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1456unsigned smtp_peer_options = 0;
1457unsigned smtp_peer_options_wrap= 0;
8c5d388a 1458#ifdef SUPPORT_I18N
9d4319df 1459uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1460#endif
8523533c
TK		 1461
1462#ifdef WITH_CONTENT_SCAN
1463uschar *spamd_address = US"127.0.0.1 783";
1464uschar *spam_bar = NULL;
1465uschar *spam_report = NULL;
c5f280e2 1466uschar *spam_action = NULL;
8523533c
TK		 1467uschar *spam_score = NULL;
1468uschar *spam_score_int = NULL;
1469#endif
7952eef9 1470#ifdef SUPPORT_SPF
65a7d8c3 1471uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1472uschar *spf_header_comment = NULL;
1473uschar *spf_received = NULL;
1474uschar *spf_result = NULL;
1475uschar *spf_smtp_comment = NULL;
1476#endif
1477
1bd642c2 1478FILE *spool_data_file = NULL;
059ec3d9
PH		 1479uschar *spool_directory = US SPOOL_DIRECTORY
1480 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1481#ifdef EXPERIMENTAL_SRS
1482uschar *srs_config = NULL;
1483uschar *srs_db_address = NULL;
1484uschar *srs_db_key = NULL;
384152a6
TK		 1485int srs_hashlength = 6;
1486int srs_hashmin = -1;
1487int srs_maxage = 31;
8523533c
TK		 1488uschar *srs_orig_recipient = NULL;
1489uschar *srs_orig_sender = NULL;
1490uschar *srs_recipient = NULL;
384152a6 1491uschar *srs_secrets = NULL;
8523533c 1492uschar *srs_status = NULL;
8e669ac1 1493#endif
059ec3d9 1494int string_datestamp_offset= -1;
f1e5fef5
PP		 1495int string_datestamp_length= 0;
1496int string_datestamp_type = -1;
059ec3d9 1497uschar *submission_domain = NULL;
2fe1a124 1498uschar *submission_name = NULL;
059ec3d9
PH		 1499int syslog_facility = LOG_MAIL;
1500uschar *syslog_processname = US"exim";
059ec3d9
PH		 1501uschar *system_filter = NULL;
1502
1503uschar *system_filter_directory_transport = NULL;
1504uschar *system_filter_file_transport = NULL;
1505uschar *system_filter_pipe_transport = NULL;
1506uschar *system_filter_reply_transport = NULL;
1507
1508gid_t system_filter_gid = 0;
79d4bc3d 1509uid_t system_filter_uid = (uid_t)-1;
059ec3d9 1510
0ab63f3d 1511blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
06e272a3 1512tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
5dc43717
JJ		 1513#ifdef USE_TCP_WRAPPERS
1514uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1515#endif
8669f003 1516int test_harness_load_avg = 0;
059ec3d9
PH		 1517int thismessage_size_limit = 0;
1518int timeout_frozen_after = 0;
059ec3d9
PH		 1519
1520transport_instance *transports = NULL;
1521
1522transport_instance transport_defaults = {
f2ed27cf
JH		 1523 .next = NULL,
1524 .name = NULL,
1525 .info = NULL,
1526 .options_block = NULL,
1527 .driver_name = NULL,
1528 .setup = NULL,
1529 .batch_max = 1,
1530 .batch_id = NULL,
1531 .home_dir = NULL,
1532 .current_dir = NULL,
1533 .expand_multi_domain = NULL,
1534 .multi_domain = TRUE,
1535 .overrides_hosts = FALSE,
1536 .max_addresses = 100,
1537 .connection_max_messages = 500,
1538 .deliver_as_creator = FALSE,
1539 .disable_logging = FALSE,
1540 .initgroups = FALSE,
1541 .uid_set = FALSE,
1542 .gid_set = FALSE,
1543 .uid = (uid_t)(-1),
1544 .gid = (gid_t)(-1),
1545 .expand_uid = NULL,
1546 .expand_gid = NULL,
1547 .warn_message = NULL,
1548 .shadow = NULL,
1549 .shadow_condition = NULL,
1550 .filter_command = NULL,
1551 .add_headers = NULL,
1552 .remove_headers = NULL,
1553 .return_path = NULL,
1554 .debug_string = NULL,
1555 .max_parallel = NULL,
1556 .message_size_limit = NULL,
1557 .headers_rewrite = NULL,
1558 .rewrite_rules = NULL,
1559 .rewrite_existflags = 0,
1560 .filter_timeout = 300,
1561 .body_only = FALSE,
1562 .delivery_date_add = FALSE,
1563 .envelope_to_add = FALSE,
1564 .headers_only = FALSE,
1565 .rcpt_include_affixes = FALSE,
1566 .return_path_add = FALSE,
1567 .return_output = FALSE,
1568 .return_fail_output = FALSE,
1569 .log_output = FALSE,
1570 .log_fail_output = FALSE,
1571 .log_defer_output = FALSE,
1572 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1573 1 nor 0 so can detect unset */
0cbf2b82 1574#ifndef DISABLE_EVENT
f2ed27cf 1575 .event_action = NULL
533aaf91 1576#endif
059ec3d9
PH		 1577};
1578
1579int transport_count;
181d9bf8 1580uschar *transport_name = NULL;
332f5cf3 1581int transport_newlines;
55414b25 1582const uschar **transport_filter_argv = NULL;
059ec3d9
PH		 1583int transport_filter_timeout;
1584int transport_write_timeout= 0;
1585
1586tree_node *tree_dns_fails = NULL;
1587tree_node *tree_duplicates = NULL;
1588tree_node *tree_nonrecipients = NULL;
1589tree_node *tree_unusable = NULL;
1590
059ec3d9
PH		 1591gid_t *trusted_groups = NULL;
1592uid_t *trusted_users = NULL;
1593uschar *timezone_string = US TIMEZONE_DEFAULT;
1594
1595uschar *unknown_login = NULL;
1596uschar *unknown_username = NULL;
1597uschar *untrusted_set_sender = NULL;
1598
1599/* A regex for matching a "From_" line in an incoming message, in the form
1600
1601 From ph10 Fri Jan 5 12:35 GMT 1996
1602
1603which the "mail" commands send to the MTA (undocumented, of course), or in
1604the form
1605
1606 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1607
1608which is apparently used by some UUCPs, despite it not being in RFC 976.
1609Because of variations in time formats, just match up to the minutes. That
1610should be sufficient. Examples have been seen of time fields like 12:1:03,
1611so just require one digit for hours and minutes. The weekday is also absent
1612in some forms. */
1613
1614uschar *uucp_from_pattern = US
1615 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1616 "(?:" /* Non-extracting bracket */
1617 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1618 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1619 ")" /* End alternation */
1620 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1621
1622uschar *uucp_from_sender = US"$1";
1623
aec45841 1624uschar *verify_mode = NULL;
f45100a3 1625uschar *version_copyright =
f9ba5e22 1626 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
c45e9ca1 1627 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
059ec3d9
PH		 1628uschar *version_date = US"?";
1629uschar *version_cnumber = US"????";
1630uschar *version_string = US"?";
1631
aec45841 1632uschar *warn_message_file = NULL;
059ec3d9 1633int warning_count = 0;
aec45841
JH		 1634uschar *warnmsg_delay = NULL;
1635uschar *warnmsg_recipients = NULL;
aec45841 1636
059ec3d9
PH		 1637
1638/* End of globals.c */
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