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Fix bad use of library, copying string over itself
[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 = {
74f1a423 105 .active = {.sock = -1},
f2ed27cf
JH		 106 .bits = 0,
107 .certificate_verified = FALSE,
c0635b6d 108#ifdef SUPPORT_DANE
f2ed27cf
JH		 109 .dane_verified = FALSE,
110 .tlsa_usage = 0,
85098ee7 111#endif
f2ed27cf
JH		 112 .cipher = NULL,
113 .on_connect = FALSE,
114 .on_connect_ports = NULL,
115 .ourcert = NULL,
116 .peercert = NULL,
117 .peerdn = NULL,
118 .sni = NULL,
119 .ocsp = OCSP_NOT_REQ
817d9f57
JH		 120};
121tls_support tls_out = {
74f1a423 122 .active = {.sock = -1},
f2ed27cf
JH		 123 .bits = 0,
124 .certificate_verified = FALSE,
c0635b6d 125#ifdef SUPPORT_DANE
f2ed27cf
JH		 126 .dane_verified = FALSE,
127 .tlsa_usage = 0,
85098ee7 128#endif
f2ed27cf
JH		 129 .cipher = NULL,
130 .on_connect = FALSE,
131 .on_connect_ports = NULL,
132 .ourcert = NULL,
133 .peercert = NULL,
134 .peerdn = NULL,
135 .sni = NULL,
136 .ocsp = OCSP_NOT_REQ
817d9f57
JH		 137};
138
6c1c3d1d
WB		 139uschar *dsn_envid = NULL;
140int dsn_ret = 0;
141const pcre *regex_DSN = NULL;
6c1c3d1d 142uschar *dsn_advertise_hosts = NULL;
059ec3d9
PH		 143
144#ifdef SUPPORT_TLS
e6060e2c 145BOOL gnutls_compat_mode = FALSE;
2519e60d 146BOOL gnutls_allow_auto_pkcs11 = FALSE;
77bb000f 147uschar *openssl_options = NULL;
059ec3d9 148const pcre *regex_STARTTLS = NULL;
23f3dc67 149uschar *tls_advertise_hosts = US"*";
059ec3d9
PH		 150uschar *tls_certificate = NULL;
151uschar *tls_crl = NULL;
3375e053
PP		 152/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153that's the interop problem which has been observed: GnuTLS suggesting a higher
154bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155int tls_dh_max_bits = 2236;
059ec3d9 156uschar *tls_dhparam = NULL;
8e53a4fc 157uschar *tls_eccurve = US"auto";
23f3dc67 158# ifndef DISABLE_OCSP
3f7eeb86 159uschar *tls_ocsp_file = NULL;
23f3dc67 160# endif
059ec3d9
PH		 161uschar *tls_privatekey = NULL;
162BOOL tls_remember_esmtp = FALSE;
163uschar *tls_require_ciphers = NULL;
8ac90765
JH		 164# ifdef EXPERIMENTAL_REQUIRETLS
165uschar tls_requiretls = 0; /* REQUIRETLS_MSG etc. bit #defines */
166uschar *tls_advertise_requiretls = US"*";
167const pcre *regex_REQUIRETLS = NULL;
168# endif
059ec3d9 169uschar *tls_try_verify_hosts = NULL;
0e0f3f56 170uschar *tls_verify_certificates= US"system";
059ec3d9 171uschar *tls_verify_hosts = NULL;
23f3dc67
JH		 172#else /*!SUPPORT_TLS*/
173uschar *tls_advertise_hosts = NULL;
059ec3d9
PH		 174#endif
175
8ccd00b1 176#ifndef DISABLE_PRDR
fd98a5c6
JH		 177/* Per Recipient Data Response variables */
178BOOL prdr_enable = FALSE;
179BOOL prdr_requested = FALSE;
180const pcre *regex_PRDR = NULL;
181#endif
059ec3d9 182
8c5d388a 183#ifdef SUPPORT_I18N
7ade712c
JH		 184const pcre *regex_UTF8 = NULL;
185#endif
186
059ec3d9
PH		 187/* Input-reading functions for messages, so we can use special ones for
188incoming TCP/IP. The defaults use stdin. We never need these for any
189stand-alone tests. */
190
d185889f 191#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
bd8fbe36 192int (*lwr_receive_getc)(unsigned) = stdin_getc;
0d81dabc 193uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
7e3ce68e 194int (*lwr_receive_ungetc)(int) = stdin_ungetc;
bd8fbe36 195int (*receive_getc)(unsigned) = stdin_getc;
0d81dabc 196uschar * (*receive_getbuf)(unsigned *) = NULL;
584e96c6 197void (*receive_get_cache)(void)= NULL;
059ec3d9
PH		 198int (*receive_ungetc)(int) = stdin_ungetc;
199int (*receive_feof)(void) = stdin_feof;
200int (*receive_ferror)(void) = stdin_ferror;
58eb016e 201BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
059ec3d9
PH		 202#endif
203
204
205/* List of per-address expansion variables for clearing and saving/restoring
206when verifying one address while routing/verifying another. We have to have
207the size explicit, because it is referenced from more than one module. */
208
55414b25
JH		 209const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
210 CUSS &deliver_address_data,
211 CUSS &deliver_domain,
212 CUSS &deliver_domain_data,
213 CUSS &deliver_domain_orig,
214 CUSS &deliver_domain_parent,
215 CUSS &deliver_localpart,
216 CUSS &deliver_localpart_data,
217 CUSS &deliver_localpart_orig,
218 CUSS &deliver_localpart_parent,
219 CUSS &deliver_localpart_prefix,
220 CUSS &deliver_localpart_suffix,
221 CUSS (uschar **)(&deliver_recipients),
222 CUSS &deliver_host,
223 CUSS &deliver_home,
224 CUSS &address_file,
225 CUSS &address_pipe,
226 CUSS &self_hostname,
059ec3d9
PH		 227 NULL };
228
229int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
230
8768d548
JH		 231/******************************************************************************/
232/* General global variables. Boolean flags are done as a group
233so that only one bit each is needed, packed, for all those we never
234need to take a pointer - and only a char for the rest.
235This means a struct, unfortunately since it clutters the sourcecode. */
236
237struct global_flags f =
238{
239 .acl_temp_details = FALSE,
240 .active_local_from_check = FALSE,
241 .active_local_sender_retain = FALSE,
242 .address_test_mode = FALSE,
243 .admin_user = FALSE,
244 .allow_auth_unadvertised= FALSE,
245 .allow_unqualified_recipient = TRUE, /* For local messages */
246 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
247 .authentication_local = FALSE,
248
249 .background_daemon = TRUE,
250
251 .chunking_offered = FALSE,
252 .config_changed = FALSE,
253 .continue_more = FALSE,
254
255 .daemon_listen = FALSE,
256 .debug_daemon = FALSE,
257 .deliver_firsttime = FALSE,
258 .deliver_force = FALSE,
259 .deliver_freeze = FALSE,
260 .deliver_force_thaw = FALSE,
261 .deliver_manual_thaw = FALSE,
262 .deliver_selectstring_regex = FALSE,
263 .deliver_selectstring_sender_regex = FALSE,
264 .disable_callout_flush = FALSE,
265 .disable_delay_flush = FALSE,
266 .disable_logging = FALSE,
267#ifndef DISABLE_DKIM
268 .dkim_disable_verify = FALSE,
269#endif
270#ifdef EXPERIMENTAL_DMARC
271 .dmarc_has_been_checked = FALSE,
272 .dmarc_disable_verify = FALSE,
273 .dmarc_enable_forensic = FALSE,
274#endif
275 .dont_deliver = FALSE,
276 .dot_ends = TRUE,
277
278 .enable_dollar_recipients = FALSE,
279 .expand_string_forcedfail = FALSE,
280
281 .filter_running = FALSE,
282
283 .header_rewritten = FALSE,
284 .helo_verified = FALSE,
285 .helo_verify_failed = FALSE,
286 .host_checking_callout = FALSE,
287 .host_find_failed_syntax= FALSE,
288
289 .inetd_wait_mode = FALSE,
290 .is_inetd = FALSE,
291
292 .local_error_message = FALSE,
293 .log_testing_mode = FALSE,
294
295#ifdef WITH_CONTENT_SCAN
296 .no_mbox_unspool = FALSE,
297#endif
298 .no_multiline_responses = FALSE,
299
300 .parse_allow_group = FALSE,
301 .parse_found_group = FALSE,
302 .pipelining_enable = TRUE,
303#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
304 .proxy_session_failed = FALSE,
305#endif
306
307 .queue_2stage = FALSE,
308 .queue_only_policy = FALSE,
309 .queue_run_first_delivery = FALSE,
310 .queue_run_force = FALSE,
311 .queue_run_local = FALSE,
312 .queue_running = FALSE,
313 .queue_smtp = FALSE,
314
315 .really_exim = TRUE,
316 .receive_call_bombout = FALSE,
317 .recipients_discarded = FALSE,
8768d548
JH		 318 .running_in_test_harness = FALSE,
319
320 .search_find_defer = FALSE,
321 .sender_address_forced = FALSE,
322 .sender_host_notsocket = FALSE,
323 .sender_host_unknown = FALSE,
324 .sender_local = FALSE,
325 .sender_name_forced = FALSE,
326 .sender_set_untrusted = FALSE,
8768d548
JH		 327 .smtp_authenticated = FALSE,
328 .smtp_in_pipelining_advertised = FALSE,
329 .smtp_in_pipelining_used = FALSE,
330 .spool_file_wireformat = FALSE,
331 .submission_mode = FALSE,
332 .suppress_local_fixups = FALSE,
333 .suppress_local_fixups_default = FALSE,
334 .synchronous_delivery = FALSE,
335 .system_filtering = FALSE,
336
337 .tcp_fastopen_ok = FALSE,
338 .tcp_in_fastopen = FALSE,
339 .tcp_in_fastopen_logged = FALSE,
340 .tcp_out_fastopen_logged= FALSE,
341 .timestamps_utc = FALSE,
342 .transport_filter_timed_out = FALSE,
343 .trusted_caller = FALSE,
344 .trusted_config = TRUE,
345};
346
347/******************************************************************************/
348/* These are the flags which are either variables or mainsection options,
349so an address is needed for access, or are exported to local_scan. */
350
351BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
352BOOL allow_domain_literals = FALSE;
353BOOL allow_mx_to_ip = FALSE;
354BOOL allow_utf8_domains = FALSE;
355BOOL authentication_failed = FALSE;
356
357BOOL bounce_return_body = TRUE;
358BOOL bounce_return_message = TRUE;
359BOOL check_rfc2047_length = TRUE;
360BOOL commandline_checks_require_admin = FALSE;
361
362#ifdef EXPERIMENTAL_DCC
363BOOL dcc_direct_add_header = FALSE;
364#endif
365BOOL debug_store = FALSE;
366BOOL delivery_date_remove = TRUE;
367BOOL deliver_drop_privilege = FALSE;
368#ifdef ENABLE_DISABLE_FSYNC
369BOOL disable_fsync = FALSE;
370#endif
371BOOL disable_ipv6 = FALSE;
372BOOL dns_csa_use_reverse = TRUE;
373BOOL drop_cr = FALSE; /* No longer used */
374
375BOOL envelope_to_remove = TRUE;
376BOOL exim_gid_set = TRUE; /* This gid is always set */
377BOOL exim_uid_set = TRUE; /* This uid is always set */
378BOOL extract_addresses_remove_arguments = TRUE;
379
380BOOL host_checking = FALSE;
381BOOL host_lookup_deferred = FALSE;
382BOOL host_lookup_failed = FALSE;
383BOOL ignore_fromline_local = FALSE;
384
385BOOL local_from_check = TRUE;
386BOOL local_sender_retain = FALSE;
387BOOL log_timezone = FALSE;
388BOOL message_body_newlines = FALSE;
389BOOL message_logs = TRUE;
390#ifdef SUPPORT_I18N
391BOOL message_smtputf8 = FALSE;
392#endif
393BOOL mua_wrapper = FALSE;
394
395BOOL preserve_message_logs = FALSE;
396BOOL print_topbitchars = FALSE;
397BOOL prod_requires_admin = TRUE;
398#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
399BOOL proxy_session = FALSE;
400#endif
401
402BOOL queue_list_requires_admin = TRUE;
403BOOL queue_only = FALSE;
404BOOL queue_only_load_latch = TRUE;
405BOOL queue_only_override = TRUE;
406BOOL queue_run_in_order = FALSE;
407BOOL recipients_max_reject = FALSE;
408BOOL return_path_remove = TRUE;
409
410BOOL smtp_batched_input = FALSE;
411BOOL sender_helo_dnssec = FALSE;
412BOOL sender_host_dnssec = FALSE;
413BOOL smtp_accept_keepalive = TRUE;
414BOOL smtp_check_spool_space = TRUE;
415BOOL smtp_enforce_sync = TRUE;
416BOOL smtp_etrn_serialize = TRUE;
417BOOL smtp_input = FALSE;
418BOOL smtp_return_error_details = FALSE;
419#ifdef SUPPORT_SPF
420BOOL spf_result_guessed = FALSE;
421#endif
422BOOL split_spool_directory = FALSE;
423BOOL spool_wireformat = FALSE;
424#ifdef EXPERIMENTAL_SRS
425BOOL srs_usehash = TRUE;
426BOOL srs_usetimestamp = TRUE;
427#endif
428BOOL strict_acl_vars = FALSE;
429BOOL strip_excess_angle_brackets = FALSE;
430BOOL strip_trailing_dot = FALSE;
431BOOL syslog_duplication = TRUE;
432BOOL syslog_pid = TRUE;
433BOOL syslog_timestamp = TRUE;
434BOOL system_filter_gid_set = FALSE;
435BOOL system_filter_uid_set = FALSE;
436
437BOOL tcp_nodelay = TRUE;
438BOOL write_rejectlog = TRUE;
439
440/******************************************************************************/
059ec3d9 441
71fafd95 442header_line *acl_added_headers = NULL;
059ec3d9 443tree_node *acl_anchor = NULL;
525239c1
JH		 444uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
445 NULL, NULL, NULL, NULL};
446int acl_narg = 0;
8f128379 447
e1d04f48
JH		 448int acl_level = 0;
449
059ec3d9 450uschar *acl_not_smtp = NULL;
54cdb463
PH		 451#ifdef WITH_CONTENT_SCAN
452uschar *acl_not_smtp_mime = NULL;
453#endif
45b91596 454uschar *acl_not_smtp_start = NULL;
e7568d51 455uschar *acl_removed_headers = NULL;
059ec3d9
PH		 456uschar *acl_smtp_auth = NULL;
457uschar *acl_smtp_connect = NULL;
458uschar *acl_smtp_data = NULL;
8ccd00b1 459#ifndef DISABLE_PRDR
ad07e9ad 460uschar *acl_smtp_data_prdr = US"accept";
fd98a5c6 461#endif
80a47a2c
TK		 462#ifndef DISABLE_DKIM
463uschar *acl_smtp_dkim = NULL;
464#endif
059ec3d9
PH		 465uschar *acl_smtp_etrn = NULL;
466uschar *acl_smtp_expn = NULL;
467uschar *acl_smtp_helo = NULL;
468uschar *acl_smtp_mail = NULL;
469uschar *acl_smtp_mailauth = NULL;
8523533c
TK		 470#ifdef WITH_CONTENT_SCAN
471uschar *acl_smtp_mime = NULL;
472#endif
8f128379 473uschar *acl_smtp_notquit = NULL;
059ec3d9
PH		 474uschar *acl_smtp_predata = NULL;
475uschar *acl_smtp_quit = NULL;
476uschar *acl_smtp_rcpt = NULL;
477uschar *acl_smtp_starttls = NULL;
478uschar *acl_smtp_vrfy = NULL;
8f128379 479
38a0a95f
PH		 480tree_node *acl_var_c = NULL;
481tree_node *acl_var_m = NULL;
059ec3d9 482uschar *acl_verify_message = NULL;
059ec3d9
PH		 483string_item *acl_warn_logged = NULL;
484
485/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
486error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
487
488uschar *acl_wherenames[] = { US"RCPT",
489 US"MAIL",
490 US"PREDATA",
8523533c 491 US"MIME",
80a47a2c 492 US"DKIM",
059ec3d9 493 US"DATA",
8ccd00b1 494#ifndef DISABLE_PRDR
fd98a5c6
JH		 495 US"PRDR",
496#endif
059ec3d9
PH		 497 US"non-SMTP",
498 US"AUTH",
499 US"connection",
500 US"ETRN",
501 US"EXPN",
502 US"EHLO or HELO",
503 US"MAILAUTH",
45b91596 504 US"non-SMTP-start",
8f128379 505 US"NOTQUIT",
059ec3d9
PH		 506 US"QUIT",
507 US"STARTTLS",
723c72e6 508 US"VRFY",
faa05a93
JH		 509 US"delivery",
510 US"unknown"
059ec3d9
PH		 511 };
512
a5bd321b
PH		 513uschar *acl_wherecodes[] = { US"550", /* RCPT */
514 US"550", /* MAIL */
515 US"550", /* PREDATA */
516 US"550", /* MIME */
80a47a2c 517 US"550", /* DKIM */
a5bd321b 518 US"550", /* DATA */
8ccd00b1 519#ifndef DISABLE_PRDR
fd98a5c6
JH		 520 US"550", /* RCPT PRDR */
521#endif
a5bd321b
PH		 522 US"0", /* not SMTP; not relevant */
523 US"503", /* AUTH */
524 US"550", /* connect */
525 US"458", /* ETRN */
526 US"550", /* EXPN */
527 US"550", /* HELO/EHLO */
528 US"0", /* MAILAUTH; not relevant */
529 US"0", /* not SMTP; not relevant */
8f128379 530 US"0", /* NOTQUIT; not relevant */
a5bd321b
PH		 531 US"0", /* QUIT; not relevant */
532 US"550", /* STARTTLS */
723c72e6 533 US"252", /* VRFY */
faa05a93 534 US"0", /* delivery; not relevant */
723c72e6 535 US"0" /* unknown; not relevant */
059ec3d9 536 };
8e669ac1 537
bc3c7bb7 538uschar *add_environment = NULL;
059ec3d9
PH		 539address_item *addr_duplicate = NULL;
540
541address_item address_defaults = {
f2ed27cf
JH		 542 .next = NULL,
543 .parent = NULL,
544 .first = NULL,
545 .dupof = NULL,
546 .start_router = NULL,
547 .router = NULL,
548 .transport = NULL,
549 .host_list = NULL,
550 .host_used = NULL,
551 .fallback_hosts = NULL,
552 .reply = NULL,
553 .retries = NULL,
554 .address = NULL,
555 .unique = NULL,
556 .cc_local_part = NULL,
557 .lc_local_part = NULL,
558 .local_part = NULL,
559 .prefix = NULL,
560 .suffix = NULL,
561 .domain = NULL,
562 .address_retry_key = NULL,
563 .domain_retry_key = NULL,
564 .current_dir = NULL,
565 .home_dir = NULL,
566 .message = NULL,
567 .user_message = NULL,
568 .onetime_parent = NULL,
569 .pipe_expandn = NULL,
570 .return_filename = NULL,
571 .self_hostname = NULL,
572 .shadow_message = NULL,
895fbaf2 573#ifdef SUPPORT_TLS
f2ed27cf
JH		 574 .cipher = NULL,
575 .ourcert = NULL,
576 .peercert = NULL,
577 .peerdn = NULL,
578 .ocsp = OCSP_NOT_REQ,
895fbaf2
JH		 579#endif
580#ifdef EXPERIMENTAL_DSN_INFO
f2ed27cf
JH		 581 .smtp_greeting = NULL,
582 .helo_response = NULL,
895fbaf2 583#endif
f2ed27cf
JH		 584 .authenticator = NULL,
585 .auth_id = NULL,
586 .auth_sndr = NULL,
587 .dsn_orcpt = NULL,
588 .dsn_flags = 0,
589 .dsn_aware = 0,
590 .uid = (uid_t)(-1),
591 .gid = (gid_t)(-1),
7eb0e5d2 592 .flags = { 0 },
f2ed27cf
JH		 593 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
594 .localpart_cache = { 0 }, /* localpart_cache - ditto */
595 .mode = -1,
596 .more_errno = 0,
597 .delivery_usec = 0,
598 .basic_errno = ERRNO_UNKNOWNERROR,
599 .child_count = 0,
600 .return_file = -1,
601 .special_action = SPECIAL_NONE,
602 .transport_return = DEFER,
603 .prop = { /* fields that are propagated to children */
604 .address_data = NULL,
605 .domain_data = NULL,
606 .localpart_data = NULL,
607 .errors_address = NULL,
608 .extra_headers = NULL,
609 .remove_headers = NULL,
384152a6 610#ifdef EXPERIMENTAL_SRS
f2ed27cf 611 .srs_sender = NULL,
7ade712c 612#endif
a5853d7c 613 .ignore_error = FALSE,
8c5d388a 614#ifdef SUPPORT_I18N
f2ed27cf
JH		 615 .utf8_msg = FALSE,
616 .utf8_downcvt = FALSE,
617 .utf8_downcvt_maybe = FALSE
384152a6 618#endif
059ec3d9
PH		 619 }
620};
621
622uschar *address_file = NULL;
623uschar *address_pipe = NULL;
059ec3d9
PH		 624tree_node *addresslist_anchor = NULL;
625int addresslist_count = 0;
626gid_t *admin_groups = NULL;
617d3932
JH		 627
628#ifdef EXPERIMENTAL_ARC
629struct arc_set *arc_received = NULL;
630int arc_received_instance = 0;
631int arc_oldest_pass = 0;
632const uschar *arc_state = NULL;
93c931f8 633const uschar *arc_state_reason = NULL;
617d3932
JH		 634#endif
635
2d07a215 636uschar *authenticated_fail_id = NULL;
059ec3d9
PH		 637uschar *authenticated_id = NULL;
638uschar *authenticated_sender = NULL;
059ec3d9
PH		 639auth_instance *auths = NULL;
640uschar *auth_advertise_hosts = US"*";
641auth_instance auth_defaults = {
f2ed27cf
JH		 642 .next = NULL,
643 .name = NULL,
644 .info = NULL,
645 .options_block = NULL,
646 .driver_name = NULL,
647 .advertise_condition = NULL,
648 .client_condition = NULL,
649 .public_name = NULL,
650 .set_id = NULL,
651 .set_client_id = NULL,
652 .mail_auth_condition = NULL,
653 .server_debug_string = NULL,
654 .server_condition = NULL,
655 .client = FALSE,
656 .server = FALSE,
657 .advertised = FALSE
059ec3d9
PH		 658};
659
660uschar *auth_defer_msg = US"reason not recorded";
661uschar *auth_defer_user_msg = US"";
f78eb7c6 662uschar *auth_vars[AUTH_VARS];
059ec3d9 663int auto_thaw = 0;
8523533c 664#ifdef WITH_CONTENT_SCAN
8768d548 665int av_failed = FALSE; /* boolean but accessed as vtype_int*/
8523533c
TK		 666uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
667#endif
059ec3d9 668
9a799bc0 669#if BASE_62 == 62
059ec3d9
PH		 670uschar *base62_chars=
671 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
9a799bc0
PH		 672#else
673uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
674#endif
675
059ec3d9
PH		 676uschar *bi_command = NULL;
677uschar *big_buffer = NULL;
678int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 679#ifdef EXPERIMENTAL_BRIGHTMAIL
680uschar *bmi_alt_location = NULL;
681uschar *bmi_base64_tracker_verdict = NULL;
682uschar *bmi_base64_verdict = NULL;
683uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
684int bmi_deliver = 1;
685int bmi_run = 0;
686uschar *bmi_verdicts = NULL;
687#endif
32b8ce41 688int bsmtp_transaction_linecount = 0;
939c3e34 689int body_8bitmime = 0;
059ec3d9
PH		 690int body_linecount = 0;
691int body_zerocount = 0;
692uschar *bounce_message_file = NULL;
693uschar *bounce_message_text = NULL;
694uschar *bounce_recipient = NULL;
62b7cd08 695int bounce_return_linesize_limit = 998;
059ec3d9
PH		 696int bounce_return_size_limit = 100*1024;
697uschar *bounce_sender_authentication = NULL;
059ec3d9 698
055e2cb4 699uschar *callout_address = NULL;
059ec3d9
PH		 700int callout_cache_domain_positive_expire = 7*24*60*60;
701int callout_cache_domain_negative_expire = 3*60*60;
702int callout_cache_positive_expire = 24*60*60;
703int callout_cache_negative_expire = 2*60*60;
704uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
80a47a2c 705uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
ddf1b11a
JH		 706int check_log_inodes = 100;
707int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
ddf1b11a
JH		 708int check_spool_inodes = 100;
709int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
18481de3 710
aa368db3 711uschar *chunking_advertise_hosts = US"*";
18481de3 712unsigned chunking_datasize = 0;
7e3ce68e 713unsigned chunking_data_left = 0;
18481de3 714chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
f98442df 715const pcre *regex_CHUNKING = NULL;
18481de3 716
aa368db3
JH		 717uschar *client_authenticator = NULL;
718uschar *client_authenticated_id = NULL;
719uschar *client_authenticated_sender = NULL;
059ec3d9
PH		 720int clmacro_count = 0;
721uschar *clmacros[MAX_CLMACROS];
059ec3d9 722FILE *config_file = NULL;
18d6b513 723const uschar *config_filename = NULL;
059ec3d9 724int config_lineno = 0;
35edf2ff
PH		 725#ifdef CONFIGURE_GROUP
726gid_t config_gid = CONFIGURE_GROUP;
19bfe9e7
HSHR		 727#else
728gid_t config_gid = 0;
35edf2ff 729#endif
059ec3d9
PH		 730uschar *config_main_filelist = US CONFIGURE_FILE
731 "\0<-----------Space to patch configure_filename->";
732uschar *config_main_filename = NULL;
98b8312f 733uschar *config_main_directory = NULL;
059ec3d9
PH		 734
735#ifdef CONFIGURE_OWNER
736uid_t config_uid = CONFIGURE_OWNER;
19bfe9e7
HSHR		 737#else
738uid_t config_uid = 0;
059ec3d9
PH		 739#endif
740
741int connection_max_messages= -1;
5013d912 742uschar *continue_proxy_cipher = NULL;
059ec3d9
PH		 743uschar *continue_hostname = NULL;
744uschar *continue_host_address = NULL;
059ec3d9
PH		 745int continue_sequence = 1;
746uschar *continue_transport = NULL;
747
e5a9dba6 748uschar *csa_status = NULL;
5032d1cf 749cut_t cutthrough = {
f2ed27cf
JH		 750 .callout_hold_only = FALSE, /* verify-only: normal delivery */
751 .delivery = FALSE, /* when to attempt */
752 .defer_pass = FALSE, /* on defer: spool locally */
753 .is_tls = FALSE, /* not a TLS conn yet */
74f1a423 754 .cctx = {.sock = -1}, /* open connection */
f2ed27cf 755 .nrcpt = 0, /* number of addresses */
5032d1cf 756};
e5a9dba6 757
059ec3d9 758uschar *daemon_smtp_port = US"smtp";
4aee0225
PH		 759int daemon_startup_retries = 9;
760int daemon_startup_sleep = 30;
6a8f9482
TK		 761
762#ifdef EXPERIMENTAL_DCC
6a8f9482
TK		 763uschar *dcc_header = NULL;
764uschar *dcc_result = NULL;
765uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
766uschar *dccifd_options = US"header";
767#endif
768
059ec3d9
PH		 769int debug_fd = -1;
770FILE *debug_file = NULL;
6c6d6e48
TF		 771int debug_notall[] = {
772 Di_memory,
ae8f9024 773 Di_noutf8,
6c6d6e48 774 -1
059ec3d9 775};
ae8f9024
JH		 776bit_table debug_options[] = { /* must be in alphabetical order and use
777 only the enum values from macro.h */
6c6d6e48
TF		 778 BIT_TABLE(D, acl),
779 BIT_TABLE(D, all),
780 BIT_TABLE(D, auth),
781 BIT_TABLE(D, deliver),
782 BIT_TABLE(D, dns),
783 BIT_TABLE(D, dnsbl),
784 BIT_TABLE(D, exec),
785 BIT_TABLE(D, expand),
786 BIT_TABLE(D, filter),
787 BIT_TABLE(D, hints_lookup),
788 BIT_TABLE(D, host_lookup),
789 BIT_TABLE(D, ident),
790 BIT_TABLE(D, interface),
791 BIT_TABLE(D, lists),
792 BIT_TABLE(D, load),
793 BIT_TABLE(D, local_scan),
794 BIT_TABLE(D, lookup),
795 BIT_TABLE(D, memory),
ae8f9024 796 BIT_TABLE(D, noutf8),
6c6d6e48
TF		 797 BIT_TABLE(D, pid),
798 BIT_TABLE(D, process_info),
799 BIT_TABLE(D, queue_run),
800 BIT_TABLE(D, receive),
801 BIT_TABLE(D, resolver),
802 BIT_TABLE(D, retry),
803 BIT_TABLE(D, rewrite),
804 BIT_TABLE(D, route),
805 BIT_TABLE(D, timestamp),
806 BIT_TABLE(D, tls),
807 BIT_TABLE(D, transport),
808 BIT_TABLE(D, uid),
809 BIT_TABLE(D, verify),
810};
811int debug_options_count = nelem(debug_options);
812
059ec3d9
PH		 813unsigned int debug_selector = 0;
814int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
5dff5817
PH		 815uschar *delay_warning_condition=
816 US"${if or {"
e85a7ad5 817 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
5dff5817
PH		 818 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
819 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
820 "} {no}{yes}}";
059ec3d9
PH		 821uschar *deliver_address_data = NULL;
822int deliver_datafile = -1;
55414b25 823const uschar *deliver_domain = NULL;
059ec3d9 824uschar *deliver_domain_data = NULL;
55414b25
JH		 825const uschar *deliver_domain_orig = NULL;
826const uschar *deliver_domain_parent = NULL;
19050083 827time_t deliver_frozen_at = 0;
059ec3d9 828uschar *deliver_home = NULL;
55414b25
JH		 829const uschar *deliver_host = NULL;
830const uschar *deliver_host_address = NULL;
a7538db1 831int deliver_host_port = 0;
059ec3d9
PH		 832uschar *deliver_in_buffer = NULL;
833ino_t deliver_inode = 0;
834uschar *deliver_localpart = NULL;
835uschar *deliver_localpart_data = NULL;
836uschar *deliver_localpart_orig = NULL;
837uschar *deliver_localpart_parent = NULL;
838uschar *deliver_localpart_prefix = NULL;
839uschar *deliver_localpart_suffix = NULL;
059ec3d9
PH		 840uschar *deliver_out_buffer = NULL;
841int deliver_queue_load_max = -1;
842address_item *deliver_recipients = NULL;
843uschar *deliver_selectstring = NULL;
059ec3d9 844uschar *deliver_selectstring_sender = NULL;
059ec3d9 845
80a47a2c 846#ifndef DISABLE_DKIM
64b67b65 847unsigned dkim_collect_input = 0;
2df588c9 848uschar *dkim_cur_signer = NULL;
abe1010c 849int dkim_key_length = 0;
b4757e36 850void *dkim_signatures = NULL;
9e5d6b55 851uschar *dkim_signers = NULL;
f7572e5a
TK		 852uschar *dkim_signing_domain = NULL;
853uschar *dkim_signing_selector = NULL;
2c47372f 854uschar *dkim_verify_overall = NULL;
9e5d6b55 855uschar *dkim_verify_signers = US"$dkim_signers";
a79d8834
JH		 856uschar *dkim_verify_status = NULL;
857uschar *dkim_verify_reason = NULL;
f7572e5a 858#endif
4840604e 859#ifdef EXPERIMENTAL_DMARC
8c8b8274 860uschar *dmarc_domain_policy = NULL;
4840604e
TL		 861uschar *dmarc_forensic_sender = NULL;
862uschar *dmarc_history_file = NULL;
863uschar *dmarc_status = NULL;
864uschar *dmarc_status_text = NULL;
865uschar *dmarc_tld_file = NULL;
866uschar *dmarc_used_domain = NULL;
4840604e 867#endif
f7572e5a 868
059ec3d9 869uschar *dns_again_means_nonexist = NULL;
e5a9dba6 870int dns_csa_search_limit = 5;
d8d9f930 871int dns_cname_loops = 1;
c0635b6d 872#ifdef SUPPORT_DANE
e682570f
TL		 873int dns_dane_ok = -1;
874#endif
059ec3d9
PH		 875uschar *dns_ipv4_lookup = NULL;
876int dns_retrans = 0;
877int dns_retry = 0;
0fbd9bff 878int dns_dnssec_ok = -1; /* <0 = not coerced */
9820a77f 879uschar *dns_trust_aa = NULL;
e97d1f08 880int dns_use_edns0 = -1; /* <0 = not coerced */
059ec3d9 881uschar *dnslist_domain = NULL;
93655c46 882uschar *dnslist_matched = NULL;
059ec3d9
PH		 883uschar *dnslist_text = NULL;
884uschar *dnslist_value = NULL;
885tree_node *domainlist_anchor = NULL;
886int domainlist_count = 0;
0e22dfd1 887uschar *dsn_from = US DEFAULT_DSN_FROM;
059ec3d9 888
059ec3d9
PH		 889int errno_quota = ERRNO_QUOTA;
890uschar *errors_copy = NULL;
891int error_handling = ERRORS_SENDER;
892uschar *errors_reply_to = NULL;
893int errors_sender_rc = EXIT_FAILURE;
0cbf2b82 894#ifndef DISABLE_EVENT
723fe533 895uschar *event_action = NULL; /* expansion for delivery events */
4c04137d 896uschar *event_data = NULL; /* auxiliary data variable for event */
723fe533 897int event_defer_errno = 0;
55414b25 898const uschar *event_name = NULL; /* event name variable */
723fe533
JH		 899#endif
900
059ec3d9
PH		 901
902gid_t exim_gid = EXIM_GID;
059ec3d9
PH		 903uschar *exim_path = US BIN_DIRECTORY "/exim"
904 "\0<---------------Space to patch exim_path->";
905uid_t exim_uid = EXIM_UID;
e1d04f48 906int expand_level = 0; /* Nesting depth, indent for debug */
059ec3d9
PH		 907int expand_forbid = 0;
908int expand_nlength[EXPAND_MAXN+1];
909int expand_nmax = -1;
910uschar *expand_nstring[EXPAND_MAXN+1];
059ec3d9 911uschar *expand_string_message;
059ec3d9
PH		 912uschar *extra_local_interfaces = NULL;
913
29aba418 914int fake_response = OK;
0e22dfd1
PH		 915uschar *fake_response_text = US"Your message has been rejected but is "
916 "being kept for evaluation.\nIf it was a "
917 "legitimate message, it may still be "
918 "delivered to the target recipient(s).";
059ec3d9 919int filter_n[FILTER_VARIABLE_COUNT];
059ec3d9 920int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 921int filter_test = FTEST_NONE;
922uschar *filter_test_sfile = NULL;
923uschar *filter_test_ufile = NULL;
059ec3d9
PH		 924uschar *filter_thisaddress = NULL;
925int finduser_retries = 0;
926uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
927uschar *freeze_tell = NULL;
6a3f1455 928uschar *freeze_tell_config = NULL;
059ec3d9
PH		 929uschar *fudged_queue_times = US"";
930
931uschar *gecos_name = NULL;
932uschar *gecos_pattern = NULL;
933rewrite_rule *global_rewrite_rules = NULL;
934
9723f966
JH		 935volatile sig_atomic_t had_command_timeout = 0;
936volatile sig_atomic_t had_command_sigterm = 0;
937volatile sig_atomic_t had_data_timeout = 0;
938volatile sig_atomic_t had_data_sigint = 0;
059ec3d9
PH		 939uschar *headers_charset = US HEADERS_CHARSET;
940int header_insert_maxlen = 64 * 1024;
941header_line *header_last = NULL;
942header_line *header_list = NULL;
943int header_maxsize = HEADER_MAXSIZE;
944int header_line_maxsize = 0;
945
946header_name header_names[] = {
f2ed27cf
JH		 947 /* name len allow_resent htype */
948 { US"bcc", 3, TRUE, htype_bcc },
949 { US"cc", 2, TRUE, htype_cc },
950 { US"date", 4, TRUE, htype_date },
951 { US"delivery-date", 13, FALSE, htype_delivery_date },
952 { US"envelope-to", 11, FALSE, htype_envelope_to },
953 { US"from", 4, TRUE, htype_from },
954 { US"message-id", 10, TRUE, htype_id },
955 { US"received", 8, FALSE, htype_received },
956 { US"reply-to", 8, FALSE, htype_reply_to },
957 { US"return-path", 11, FALSE, htype_return_path },
958 { US"sender", 6, TRUE, htype_sender },
959 { US"subject", 7, FALSE, htype_subject },
960 { US"to", 2, TRUE, htype_to }
059ec3d9
PH		 961};
962
617d3932 963int header_names_size = nelem(header_names);
059ec3d9 964
059ec3d9
PH		 965uschar *helo_accept_junk_hosts = NULL;
966uschar *helo_allow_chars = US"";
967uschar *helo_lookup_domains = US"@ : @[]";
968uschar *helo_try_verify_hosts = NULL;
059ec3d9 969uschar *helo_verify_hosts = NULL;
1ba28e2b 970const uschar *hex_digits = CUS"0123456789abcdef";
059ec3d9 971uschar *hold_domains = NULL;
059ec3d9 972uschar *host_data = NULL;
059ec3d9 973uschar *host_lookup = NULL;
059ec3d9
PH		 974uschar *host_lookup_order = US"bydns:byaddr";
975uschar *host_lookup_msg = US"";
976int host_number = 0;
977uschar *host_number_string = NULL;
978uschar *host_reject_connection = NULL;
979tree_node *hostlist_anchor = NULL;
980int hostlist_count = 0;
981uschar *hosts_treat_as_local = NULL;
982uschar *hosts_connection_nolog = NULL;
983
984int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
059ec3d9 985uschar *ignore_fromline_hosts = NULL;
9ee44efb 986int inetd_wait_timeout = -1;
3615fa9a 987uschar *initial_cwd = NULL;
059ec3d9
PH		 988uschar *interface_address = NULL;
989int interface_port = -1;
0ce9abe6 990uschar *iterate_item = NULL;
059ec3d9
PH		 991
992int journal_fd = -1;
993
bc3c7bb7
HSHR		 994uschar *keep_environment = NULL;
995
059ec3d9
PH		 996int keep_malformed = 4*24*60*60; /* 4 days */
997
998uschar *eldap_dn = NULL;
999int load_average = -2;
059ec3d9
PH		 1000uschar *local_from_prefix = NULL;
1001uschar *local_from_suffix = NULL;
1002
1003#if HAVE_IPV6
1004uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1005#else
1006uschar *local_interfaces = US"0.0.0.0";
1007#endif
1008
9723f966 1009#ifdef HAVE_LOCAL_SCAN
059ec3d9
PH		 1010uschar *local_scan_data = NULL;
1011int local_scan_timeout = 5*60;
9723f966 1012#endif
059ec3d9
PH		 1013gid_t local_user_gid = (gid_t)(-1);
1014uid_t local_user_uid = (uid_t)(-1);
1015
1016tree_node *localpartlist_anchor= NULL;
1017int localpartlist_count = 0;
1018uschar *log_buffer = NULL;
6c6d6e48
TF		 1019
1020int log_default[] = { /* for initializing log_selector */
1021 Li_acl_warn_skipped,
1022 Li_connection_reject,
1023 Li_delay_delivery,
2c47372f 1024 Li_dkim,
6c6d6e48
TF		 1025 Li_dnslist_defer,
1026 Li_etrn,
1027 Li_host_lookup_failed,
1028 Li_lost_incoming_connection,
ac881e27 1029 Li_outgoing_interface, /* see d_log_interface in deliver.c */
6c6d6e48
TF		 1030 Li_queue_run,
1031 Li_rejected_header,
1032 Li_retry_defer,
1033 Li_sender_verify_fail,
1034 Li_size_reject,
1035 Li_skip_delivery,
1036 Li_smtp_confirmation,
1037 Li_tls_certificate_verified,
1038 Li_tls_cipher,
1039 -1
1040};
1041
059ec3d9
PH		 1042uschar *log_file_path = US LOG_FILE_PATH
1043 "\0<--------------Space to patch log_file_path->";
1044
6c6d6e48
TF		 1045int log_notall[] = {
1046 -1
1047};
1048bit_table log_options[] = { /* must be in alphabetical order */
1049 BIT_TABLE(L, 8bitmime),
1050 BIT_TABLE(L, acl_warn_skipped),
1051 BIT_TABLE(L, address_rewrite),
1052 BIT_TABLE(L, all),
1053 BIT_TABLE(L, all_parents),
1054 BIT_TABLE(L, arguments),
1055 BIT_TABLE(L, connection_reject),
1056 BIT_TABLE(L, delay_delivery),
1057 BIT_TABLE(L, deliver_time),
1058 BIT_TABLE(L, delivery_size),
2c47372f
JH		 1059#ifndef DISABLE_DKIM
1060 BIT_TABLE(L, dkim),
1061 BIT_TABLE(L, dkim_verbose),
1062#endif
6c6d6e48 1063 BIT_TABLE(L, dnslist_defer),
fc16abb4 1064 BIT_TABLE(L, dnssec),
6c6d6e48
TF		 1065 BIT_TABLE(L, etrn),
1066 BIT_TABLE(L, host_lookup_failed),
1067 BIT_TABLE(L, ident_timeout),
1068 BIT_TABLE(L, incoming_interface),
1069 BIT_TABLE(L, incoming_port),
1070 BIT_TABLE(L, lost_incoming_connection),
571b2715 1071 BIT_TABLE(L, millisec),
ac881e27 1072 BIT_TABLE(L, outgoing_interface),
6c6d6e48
TF		 1073 BIT_TABLE(L, outgoing_port),
1074 BIT_TABLE(L, pid),
7c576fca 1075 BIT_TABLE(L, pipelining),
2c47372f 1076#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
6c6d6e48
TF		 1077 BIT_TABLE(L, proxy),
1078#endif
1079 BIT_TABLE(L, queue_run),
1080 BIT_TABLE(L, queue_time),
1081 BIT_TABLE(L, queue_time_overall),
306c6c77 1082 BIT_TABLE(L, receive_time),
6c6d6e48
TF		 1083 BIT_TABLE(L, received_recipients),
1084 BIT_TABLE(L, received_sender),
1085 BIT_TABLE(L, rejected_header),
1086 { US"rejected_headers", Li_rejected_header },
1087 BIT_TABLE(L, retry_defer),
1088 BIT_TABLE(L, return_path_on_delivery),
1089 BIT_TABLE(L, sender_on_delivery),
1090 BIT_TABLE(L, sender_verify_fail),
1091 BIT_TABLE(L, size_reject),
1092 BIT_TABLE(L, skip_delivery),
1093 BIT_TABLE(L, smtp_confirmation),
1094 BIT_TABLE(L, smtp_connection),
1095 BIT_TABLE(L, smtp_incomplete_transaction),
1096 BIT_TABLE(L, smtp_mailauth),
1097 BIT_TABLE(L, smtp_no_mail),
1098 BIT_TABLE(L, smtp_protocol_error),
1099 BIT_TABLE(L, smtp_syntax_error),
1100 BIT_TABLE(L, subject),
1101 BIT_TABLE(L, tls_certificate_verified),
1102 BIT_TABLE(L, tls_cipher),
1103 BIT_TABLE(L, tls_peerdn),
1104 BIT_TABLE(L, tls_sni),
1105 BIT_TABLE(L, unknown_in_list),
059ec3d9 1106};
6c6d6e48 1107int log_options_count = nelem(log_options);
059ec3d9 1108
6ea85e9a 1109int log_reject_target = 0;
6c6d6e48 1110unsigned int log_selector[log_selector_size]; /* initialized in main() */
059ec3d9
PH		 1111uschar *log_selector_string = NULL;
1112FILE *log_stderr = NULL;
059ec3d9 1113uschar *login_sender_address = NULL;
4e0983dc 1114uschar *lookup_dnssec_authenticated = NULL;
059ec3d9
PH		 1115int lookup_open_max = 25;
1116uschar *lookup_value = NULL;
1117
85e03244 1118macro_item *macros_user = NULL;
059ec3d9 1119uschar *mailstore_basename = NULL;
8523533c
TK		 1120#ifdef WITH_CONTENT_SCAN
1121uschar *malware_name = NULL; /* Virus Name */
1122#endif
d677b2f2 1123int max_received_linelength= 0;
059ec3d9
PH		 1124int max_username_length = 0;
1125int message_age = 0;
1126uschar *message_body = NULL;
1127uschar *message_body_end = NULL;
1128int message_body_size = 0;
1129int message_body_visible = 500;
1130int message_ended = END_NOTSTARTED;
1131uschar *message_headers = NULL;
1132uschar *message_id;
1133uschar *message_id_domain = NULL;
1134uschar *message_id_text = NULL;
1135struct timeval message_id_tv = { 0, 0 };
1136uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1137uschar *message_id_external;
1138int message_linecount = 0;
059ec3d9
PH		 1139int message_size = 0;
1140uschar *message_size_limit = US"50M";
8c5d388a 1141#ifdef SUPPORT_I18N
3c8b3577 1142int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
eb02f5df 1143#endif
059ec3d9
PH		 1144uschar message_subdir[2] = { 0, 0 };
1145uschar *message_reference = NULL;
8523533c
TK		 1146
1147/* MIME ACL expandables */
1148#ifdef WITH_CONTENT_SCAN
f7b63901 1149int mime_anomaly_level = 0;
1ba28e2b 1150const uschar *mime_anomaly_text = NULL;
8523533c
TK		 1151uschar *mime_boundary = NULL;
1152uschar *mime_charset = NULL;
1153uschar *mime_content_description = NULL;
1154uschar *mime_content_disposition = NULL;
1155uschar *mime_content_id = NULL;
1156unsigned int mime_content_size = 0;
1157uschar *mime_content_transfer_encoding = NULL;
1158uschar *mime_content_type = NULL;
1159uschar *mime_decoded_filename = NULL;
1160uschar *mime_filename = NULL;
1161int mime_is_multipart = 0;
1162int mime_is_coverletter = 0;
1163int mime_is_rfc822 = 0;
1164int mime_part_count = -1;
1165#endif
1166
059ec3d9 1167uid_t *never_users = NULL;
059ec3d9 1168
fb05276a
JH		 1169const int on = 1; /* for setsockopt */
1170const int off = 0;
1171
059ec3d9
PH		 1172uid_t original_euid;
1173gid_t originator_gid;
1174uschar *originator_login = NULL;
1175uschar *originator_name = NULL;
1176uid_t originator_uid;
1177uschar *override_local_interfaces = NULL;
1178uschar *override_pid_file_path = NULL;
1179
059ec3d9
PH		 1180uschar *percent_hack_domains = NULL;
1181uschar *pid_file_path = US PID_FILE_PATH
1182 "\0<--------------Space to patch pid_file_path->";
1183uschar *pipelining_advertise_hosts = US"*";
059ec3d9 1184uschar *primary_hostname = NULL;
059ec3d9 1185uschar process_info[PROCESS_INFO_SIZE];
921b12ca 1186int process_info_len = 0;
059ec3d9 1187uschar *process_log_path = NULL;
a3c86431 1188
e6d2a989 1189#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
eb58ddf5
JH		 1190uschar *hosts_proxy = NULL;
1191uschar *proxy_external_address = NULL;
e6d2a989 1192int proxy_external_port = 0;
eb58ddf5 1193uschar *proxy_local_address = NULL;
e6d2a989 1194int proxy_local_port = 0;
a3c86431
TL		 1195#endif
1196
fffda43a
TK		 1197uschar *prvscheck_address = NULL;
1198uschar *prvscheck_keynum = NULL;
1199uschar *prvscheck_result = NULL;
1200
059ec3d9 1201
55414b25 1202const uschar *qualify_domain_recipient = NULL;
059ec3d9 1203uschar *qualify_domain_sender = NULL;
059ec3d9
PH		 1204uschar *queue_domains = NULL;
1205int queue_interval = -1;
a2da3176 1206uschar *queue_name = US"";
059ec3d9
PH		 1207uschar *queue_only_file = NULL;
1208int queue_only_load = -1;
0cd5fd23 1209uschar *queue_run_max = US"5";
059ec3d9
PH		 1210pid_t queue_run_pid = (pid_t)0;
1211int queue_run_pipe = -1;
059ec3d9
PH		 1212uschar *queue_smtp_domains = NULL;
1213
1214unsigned int random_seed = 0;
fe0dab11 1215tree_node *ratelimiters_cmd = NULL;
870f6ba8
TF		 1216tree_node *ratelimiters_conn = NULL;
1217tree_node *ratelimiters_mail = NULL;
059ec3d9
PH		 1218uschar *raw_active_hostname = NULL;
1219uschar *raw_sender = NULL;
1220uschar **raw_recipients = NULL;
1221int raw_recipients_count = 0;
1222
1223int rcpt_count = 0;
1224int rcpt_fail_count = 0;
1225int rcpt_defer_count = 0;
1226gid_t real_gid;
1227uid_t real_uid;
059ec3d9
PH		 1228int receive_linecount = 0;
1229int receive_messagecount = 0;
1230int receive_timeout = 0;
1231int received_count = 0;
1232uschar *received_for = NULL;
1233
1234/* This is the default text for Received headers generated by Exim. The
1235date will be automatically added on the end. */
1236
1237uschar *received_header_text = US
1238 "Received: "
1239 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 1240 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH		 1241 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1242 "by $primary_hostname "
1243 "${if def:received_protocol {with $received_protocol}} "
1244 #ifdef SUPPORT_TLS
1245 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1246 #endif
1247 "(Exim $version_number)\n\t"
3e46c1aa 1248 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1ab52c69 1249 "id $message_exim_id"
059ec3d9
PH		 1250 "${if def:received_for {\n\tfor $received_for}}"
1251 "\0<---------------Space to patch received_header_text->";
1252
1253int received_headers_max = 30;
1254uschar *received_protocol = NULL;
32dfdf8b 1255struct timeval received_time = { 0, 0 };
306c6c77 1256struct timeval received_time_taken = { 0, 0 };
059ec3d9
PH		 1257uschar *recipient_data = NULL;
1258uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 1259uschar *recipient_verify_failure = NULL;
059ec3d9 1260int recipients_count = 0;
059ec3d9
PH		 1261recipient_item *recipients_list = NULL;
1262int recipients_list_max = 0;
1263int recipients_max = 0;
059ec3d9
PH		 1264const pcre *regex_AUTH = NULL;
1265const pcre *regex_check_dns_names = NULL;
1266const pcre *regex_From = NULL;
f1513293 1267const pcre *regex_IGNOREQUOTA = NULL;
059ec3d9
PH		 1268const pcre *regex_PIPELINING = NULL;
1269const pcre *regex_SIZE = NULL;
1270const pcre *regex_ismsgid = NULL;
f38917cc
JH		 1271const pcre *regex_smtp_code = NULL;
1272uschar *regex_vars[REGEX_VARS];
a7cbbf50
PP		 1273#ifdef WHITELIST_D_MACROS
1274const pcre *regex_whitelisted_macro = NULL;
1275#endif
8523533c
TK		 1276#ifdef WITH_CONTENT_SCAN
1277uschar *regex_match_string = NULL;
1278#endif
059ec3d9
PH		 1279int remote_delivery_count = 0;
1280int remote_max_parallel = 2;
1281uschar *remote_sort_domains = NULL;
1282int retry_data_expire = 7*24*60*60;
1283int retry_interval_max = 24*60*60;
1284int retry_maximum_timeout = 0; /* set from retry config */
1285retry_config *retries = NULL;
1286uschar *return_path = NULL;
059ec3d9 1287int rewrite_existflags = 0;
f926e272
JH		 1288uschar *rfc1413_hosts = US"@[]";
1289int rfc1413_query_timeout = 0;
c1d94452 1290uid_t root_gid = ROOT_GID;
059ec3d9
PH		 1291uid_t root_uid = ROOT_UID;
1292
1293router_instance *routers = NULL;
1294router_instance router_defaults = {
f2ed27cf
JH		 1295 .next = NULL,
1296 .name = NULL,
1297 .info = NULL,
1298 .options_block = NULL,
1299 .driver_name = NULL,
059ec3d9 1300
f2ed27cf 1301 .address_data = NULL,
8523533c 1302#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf 1303 .bmi_rule = NULL,
8e669ac1 1304#endif
f2ed27cf
JH		 1305 .cannot_route_message = NULL,
1306 .condition = NULL,
1307 .current_directory = NULL,
1308 .debug_string = NULL,
1309 .domains = NULL,
1310 .errors_to = NULL,
1311 .expand_gid = NULL,
1312 .expand_uid = NULL,
1313 .expand_more = NULL,
1314 .expand_unseen = NULL,
1315 .extra_headers = NULL,
1316 .fallback_hosts = NULL,
1317 .home_directory = NULL,
1318 .ignore_target_hosts = NULL,
1319 .local_parts = NULL,
1320 .pass_router_name = NULL,
1321 .prefix = NULL,
1322 .redirect_router_name = NULL,
1323 .remove_headers = NULL,
1324 .require_files = NULL,
1325 .router_home_directory = NULL,
1326 .self = US"freeze",
1327 .senders = NULL,
1328 .suffix = NULL,
1329 .translate_ip_address = NULL,
1330 .transport_name = NULL,
1331
1332 .address_test = TRUE,
8523533c 1333#ifdef EXPERIMENTAL_BRIGHTMAIL
f2ed27cf
JH		 1334 .bmi_deliver_alternate = FALSE,
1335 .bmi_deliver_default = FALSE,
1336 .bmi_dont_deliver = FALSE,
8523533c 1337#endif
f2ed27cf
JH		 1338 .expn = TRUE,
1339 .caseful_local_part = FALSE,
1340 .check_local_user = FALSE,
1341 .disable_logging = FALSE,
1342 .fail_verify_recipient = FALSE,
1343 .fail_verify_sender = FALSE,
1344 .gid_set = FALSE,
1345 .initgroups = FALSE,
1346 .log_as_local = TRUE_UNSET,
1347 .more = TRUE,
1348 .pass_on_timeout = FALSE,
1349 .prefix_optional = FALSE,
1350 .repeat_use = TRUE,
1351 .retry_use_local_part = TRUE_UNSET,
1352 .same_domain_copy_routing = FALSE,
1353 .self_rewrite = FALSE,
1354 .suffix_optional = FALSE,
1355 .verify_only = FALSE,
1356 .verify_recipient = TRUE,
1357 .verify_sender = TRUE,
1358 .uid_set = FALSE,
1359 .unseen = FALSE,
1360 .dsn_lasthop = FALSE,
1361
1362 .self_code = self_freeze,
1363 .uid = (uid_t)(-1),
1364 .gid = (gid_t)(-1),
1365
1366 .fallback_hostlist = NULL,
1367 .transport = NULL,
1368 .pass_router = NULL,
1369 .redirect_router = NULL,
1370
1371 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
059ec3d9
PH		 1372};
1373
181d9bf8
JH		 1374uschar *router_name = NULL;
1375
059ec3d9 1376ip_address_item *running_interfaces = NULL;
059ec3d9
PH		 1377
1378/* This is a weird one. The following string gets patched in the binary by the
1379script that sets up a copy of Exim for running in the test harness. It seems
1380that compilers are now clever, and share constant strings if they can.
1381Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1382make use of the end of this string in order to save space. So the patching then
8669f003 1383wrecks this. We defeat this optimization by adding some additional characters
059ec3d9
PH		 1384onto the end of the string. */
1385
1386uschar *running_status = US">>>running<<<" "\0EXTRA";
1387
1388int runrc = 0;
1389
1390uschar *search_error_message = NULL;
059ec3d9
PH		 1391uschar *self_hostname = NULL;
1392uschar *sender_address = NULL;
1393unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 1394uschar *sender_address_data = NULL;
059ec3d9
PH		 1395uschar *sender_address_unrewritten = NULL;
1396uschar *sender_data = NULL;
1397unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1398uschar *sender_fullhost = NULL;
1399uschar *sender_helo_name = NULL;
1400uschar **sender_host_aliases = &no_aliases;
1401uschar *sender_host_address = NULL;
1402uschar *sender_host_authenticated = NULL;
c44ff8be 1403uschar *sender_host_auth_pubname = NULL;
059ec3d9
PH		 1404unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1405uschar *sender_host_name = NULL;
1406int sender_host_port = 0;
059ec3d9 1407uschar *sender_ident = NULL;
870f6ba8
TF		 1408uschar *sender_rate = NULL;
1409uschar *sender_rate_limit = NULL;
1410uschar *sender_rate_period = NULL;
059ec3d9 1411uschar *sender_rcvhost = NULL;
059ec3d9 1412uschar *sender_unqualified_hosts = NULL;
2c7db3f5 1413uschar *sender_verify_failure = NULL;
059ec3d9
PH		 1414address_item *sender_verified_list = NULL;
1415address_item *sender_verified_failed = NULL;
1416int sender_verified_rc = -1;
41c7c167
PH		 1417uschar *sending_ip_address = NULL;
1418int sending_port = -1;
cd59ab18 1419SIGNAL_BOOL sigalrm_seen = FALSE;
059ec3d9 1420uschar **sighup_argv = NULL;
846430d9 1421int slow_lookup_log = 0; /* millisecs, zero disables */
059ec3d9 1422int smtp_accept_count = 0;
059ec3d9
PH		 1423int smtp_accept_max = 20;
1424int smtp_accept_max_nonmail= 10;
1425uschar *smtp_accept_max_nonmail_hosts = US"*";
1426int smtp_accept_max_per_connection = 1000;
1427uschar *smtp_accept_max_per_host = NULL;
1428int smtp_accept_queue = 0;
1429int smtp_accept_queue_per_connection = 10;
1430int smtp_accept_reserve = 0;
1431uschar *smtp_active_hostname = NULL;
1f5b4c3d 1432uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 1433 "Exim $version_number $tod_full"
1434 "\0<---------------Space to patch smtp_banner->";
b4ed4da0 1435int smtp_ch_index = 0;
3ee512ff
PH		 1436uschar *smtp_cmd_argument = NULL;
1437uschar *smtp_cmd_buffer = NULL;
0f1a8658 1438struct timeval smtp_connection_start = {0,0};
b4ed4da0 1439uschar smtp_connection_had[SMTP_HBUFF_SIZE];
059ec3d9
PH		 1440int smtp_connect_backlog = 20;
1441double smtp_delay_mail = 0.0;
1442double smtp_delay_rcpt = 0.0;
059ec3d9 1443FILE *smtp_in = NULL;
059ec3d9
PH		 1444int smtp_load_reserve = -1;
1445int smtp_mailcmd_count = 0;
1446FILE *smtp_out = NULL;
1447uschar *smtp_etrn_command = NULL;
059ec3d9
PH		 1448int smtp_max_synprot_errors= 3;
1449int smtp_max_unknown_commands = 3;
8f128379 1450uschar *smtp_notquit_reason = NULL;
059ec3d9
PH		 1451uschar *smtp_ratelimit_hosts = NULL;
1452uschar *smtp_ratelimit_mail = NULL;
1453uschar *smtp_ratelimit_rcpt = NULL;
1454uschar *smtp_read_error = US"";
1455int smtp_receive_timeout = 5*60;
1ad6489e 1456uschar *smtp_receive_timeout_s = NULL;
059ec3d9 1457uschar *smtp_reserve_hosts = NULL;
059ec3d9
PH		 1458int smtp_rlm_base = 0;
1459double smtp_rlm_factor = 0.0;
1460int smtp_rlm_limit = 0;
1461int smtp_rlm_threshold = INT_MAX;
1462int smtp_rlr_base = 0;
1463double smtp_rlr_factor = 0.0;
1464int smtp_rlr_limit = 0;
1465int smtp_rlr_threshold = INT_MAX;
2d14f397
JH		 1466unsigned smtp_peer_options = 0;
1467unsigned smtp_peer_options_wrap= 0;
8c5d388a 1468#ifdef SUPPORT_I18N
9d4319df 1469uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
3d1451ea 1470#endif
8523533c
TK		 1471
1472#ifdef WITH_CONTENT_SCAN
1473uschar *spamd_address = US"127.0.0.1 783";
1474uschar *spam_bar = NULL;
1475uschar *spam_report = NULL;
c5f280e2 1476uschar *spam_action = NULL;
8523533c
TK		 1477uschar *spam_score = NULL;
1478uschar *spam_score_int = NULL;
1479#endif
7952eef9 1480#ifdef SUPPORT_SPF
65a7d8c3 1481uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
8523533c
TK		 1482uschar *spf_header_comment = NULL;
1483uschar *spf_received = NULL;
1484uschar *spf_result = NULL;
1485uschar *spf_smtp_comment = NULL;
1486#endif
1487
1bd642c2 1488FILE *spool_data_file = NULL;
059ec3d9
PH		 1489uschar *spool_directory = US SPOOL_DIRECTORY
1490 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1491#ifdef EXPERIMENTAL_SRS
1492uschar *srs_config = NULL;
1493uschar *srs_db_address = NULL;
1494uschar *srs_db_key = NULL;
384152a6
TK		 1495int srs_hashlength = 6;
1496int srs_hashmin = -1;
1497int srs_maxage = 31;
8523533c
TK		 1498uschar *srs_orig_recipient = NULL;
1499uschar *srs_orig_sender = NULL;
1500uschar *srs_recipient = NULL;
384152a6 1501uschar *srs_secrets = NULL;
8523533c 1502uschar *srs_status = NULL;
8e669ac1 1503#endif
059ec3d9 1504int string_datestamp_offset= -1;
f1e5fef5
PP		 1505int string_datestamp_length= 0;
1506int string_datestamp_type = -1;
059ec3d9 1507uschar *submission_domain = NULL;
2fe1a124 1508uschar *submission_name = NULL;
059ec3d9
PH		 1509int syslog_facility = LOG_MAIL;
1510uschar *syslog_processname = US"exim";
059ec3d9
PH		 1511uschar *system_filter = NULL;
1512
1513uschar *system_filter_directory_transport = NULL;
1514uschar *system_filter_file_transport = NULL;
1515uschar *system_filter_pipe_transport = NULL;
1516uschar *system_filter_reply_transport = NULL;
1517
1518gid_t system_filter_gid = 0;
79d4bc3d 1519uid_t system_filter_uid = (uid_t)-1;
059ec3d9 1520
0ab63f3d 1521blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
06e272a3 1522tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
5dc43717
JJ		 1523#ifdef USE_TCP_WRAPPERS
1524uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1525#endif
8669f003 1526int test_harness_load_avg = 0;
059ec3d9
PH		 1527int thismessage_size_limit = 0;
1528int timeout_frozen_after = 0;
059ec3d9
PH		 1529
1530transport_instance *transports = NULL;
1531
1532transport_instance transport_defaults = {
f2ed27cf
JH		 1533 .next = NULL,
1534 .name = NULL,
1535 .info = NULL,
1536 .options_block = NULL,
1537 .driver_name = NULL,
1538 .setup = NULL,
1539 .batch_max = 1,
1540 .batch_id = NULL,
1541 .home_dir = NULL,
1542 .current_dir = NULL,
1543 .expand_multi_domain = NULL,
1544 .multi_domain = TRUE,
1545 .overrides_hosts = FALSE,
1546 .max_addresses = 100,
1547 .connection_max_messages = 500,
1548 .deliver_as_creator = FALSE,
1549 .disable_logging = FALSE,
1550 .initgroups = FALSE,
1551 .uid_set = FALSE,
1552 .gid_set = FALSE,
1553 .uid = (uid_t)(-1),
1554 .gid = (gid_t)(-1),
1555 .expand_uid = NULL,
1556 .expand_gid = NULL,
1557 .warn_message = NULL,
1558 .shadow = NULL,
1559 .shadow_condition = NULL,
1560 .filter_command = NULL,
1561 .add_headers = NULL,
1562 .remove_headers = NULL,
1563 .return_path = NULL,
1564 .debug_string = NULL,
1565 .max_parallel = NULL,
1566 .message_size_limit = NULL,
1567 .headers_rewrite = NULL,
1568 .rewrite_rules = NULL,
1569 .rewrite_existflags = 0,
1570 .filter_timeout = 300,
1571 .body_only = FALSE,
1572 .delivery_date_add = FALSE,
1573 .envelope_to_add = FALSE,
1574 .headers_only = FALSE,
1575 .rcpt_include_affixes = FALSE,
1576 .return_path_add = FALSE,
1577 .return_output = FALSE,
1578 .return_fail_output = FALSE,
1579 .log_output = FALSE,
1580 .log_fail_output = FALSE,
1581 .log_defer_output = FALSE,
1582 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1583 1 nor 0 so can detect unset */
0cbf2b82 1584#ifndef DISABLE_EVENT
f2ed27cf 1585 .event_action = NULL
533aaf91 1586#endif
059ec3d9
PH		 1587};
1588
1589int transport_count;
181d9bf8 1590uschar *transport_name = NULL;
332f5cf3 1591int transport_newlines;
55414b25 1592const uschar **transport_filter_argv = NULL;
059ec3d9
PH		 1593int transport_filter_timeout;
1594int transport_write_timeout= 0;
1595
1596tree_node *tree_dns_fails = NULL;
1597tree_node *tree_duplicates = NULL;
1598tree_node *tree_nonrecipients = NULL;
1599tree_node *tree_unusable = NULL;
1600
059ec3d9
PH		 1601gid_t *trusted_groups = NULL;
1602uid_t *trusted_users = NULL;
1603uschar *timezone_string = US TIMEZONE_DEFAULT;
1604
1605uschar *unknown_login = NULL;
1606uschar *unknown_username = NULL;
1607uschar *untrusted_set_sender = NULL;
1608
1609/* A regex for matching a "From_" line in an incoming message, in the form
1610
1611 From ph10 Fri Jan 5 12:35 GMT 1996
1612
1613which the "mail" commands send to the MTA (undocumented, of course), or in
1614the form
1615
1616 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1617
1618which is apparently used by some UUCPs, despite it not being in RFC 976.
1619Because of variations in time formats, just match up to the minutes. That
1620should be sufficient. Examples have been seen of time fields like 12:1:03,
1621so just require one digit for hours and minutes. The weekday is also absent
1622in some forms. */
1623
1624uschar *uucp_from_pattern = US
1625 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1626 "(?:" /* Non-extracting bracket */
1627 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1628 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1629 ")" /* End alternation */
1630 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1631
1632uschar *uucp_from_sender = US"$1";
1633
aec45841 1634uschar *verify_mode = NULL;
f45100a3 1635uschar *version_copyright =
f9ba5e22 1636 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
c45e9ca1 1637 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
059ec3d9
PH		 1638uschar *version_date = US"?";
1639uschar *version_cnumber = US"????";
1640uschar *version_string = US"?";
1641
aec45841 1642uschar *warn_message_file = NULL;
059ec3d9 1643int warning_count = 0;
aec45841
JH		 1644uschar *warnmsg_delay = NULL;
1645uschar *warnmsg_recipients = NULL;
aec45841 1646
059ec3d9
PH		 1647
1648/* End of globals.c */
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