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DANE: move to mainline
[exim.git] / src / src / globals.c
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2018 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = nelem(optionlist_auths);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52BOOL opt_perl_taintmode = FALSE;
53#endif
54
55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
69uschar *eldap_default_servers = NULL;
70uschar *eldap_require_cert = NULL;
71int eldap_version = -1;
72BOOL eldap_start_tls = FALSE;
73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
87#ifdef LOOKUP_REDIS
88uschar *redis_servers = NULL;
89#endif
90
91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
102
103tls_support tls_in = {
104 .active = -1,
105 .bits = 0,
106 .certificate_verified = FALSE,
107#ifdef SUPPORT_DANE
108 .dane_verified = FALSE,
109 .tlsa_usage = 0,
110#endif
111 .cipher = NULL,
112 .on_connect = FALSE,
113 .on_connect_ports = NULL,
114 .ourcert = NULL,
115 .peercert = NULL,
116 .peerdn = NULL,
117 .sni = NULL,
118 .ocsp = OCSP_NOT_REQ
119};
120tls_support tls_out = {
121 .active = -1,
122 .bits = 0,
123 .certificate_verified = FALSE,
124#ifdef SUPPORT_DANE
125 .dane_verified = FALSE,
126 .tlsa_usage = 0,
127#endif
128 .cipher = NULL,
129 .on_connect = FALSE,
130 .on_connect_ports = NULL,
131 .ourcert = NULL,
132 .peercert = NULL,
133 .peerdn = NULL,
134 .sni = NULL,
135 .ocsp = OCSP_NOT_REQ
136};
137
138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
141uschar *dsn_advertise_hosts = NULL;
142
143#ifdef SUPPORT_TLS
144BOOL gnutls_compat_mode = FALSE;
145BOOL gnutls_allow_auto_pkcs11 = FALSE;
146uschar *openssl_options = NULL;
147const pcre *regex_STARTTLS = NULL;
148uschar *tls_advertise_hosts = US"*";
149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
155uschar *tls_dhparam = NULL;
156uschar *tls_eccurve = US"auto";
157# ifndef DISABLE_OCSP
158uschar *tls_ocsp_file = NULL;
159# endif
160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
164uschar *tls_verify_certificates= US"system";
165uschar *tls_verify_hosts = NULL;
166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
168#endif
169
170#ifndef DISABLE_PRDR
171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
176
177#ifdef SUPPORT_I18N
178const pcre *regex_UTF8 = NULL;
179#endif
180
181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
185#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
186int (*lwr_receive_getc)(unsigned) = stdin_getc;
187uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189int (*receive_getc)(unsigned) = stdin_getc;
190uschar * (*receive_getbuf)(unsigned *) = NULL;
191void (*receive_get_cache)(void)= NULL;
192int (*receive_ungetc)(int) = stdin_ungetc;
193int (*receive_feof)(void) = stdin_feof;
194int (*receive_ferror)(void) = stdin_ferror;
195BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196#endif
197
198
199/* List of per-address expansion variables for clearing and saving/restoring
200when verifying one address while routing/verifying another. We have to have
201the size explicit, because it is referenced from more than one module. */
202
203const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225/* General global variables */
226
227header_line *acl_added_headers = NULL;
228tree_node *acl_anchor = NULL;
229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
232
233int acl_level = 0;
234
235uschar *acl_not_smtp = NULL;
236#ifdef WITH_CONTENT_SCAN
237uschar *acl_not_smtp_mime = NULL;
238#endif
239uschar *acl_not_smtp_start = NULL;
240uschar *acl_removed_headers = NULL;
241uschar *acl_smtp_auth = NULL;
242uschar *acl_smtp_connect = NULL;
243uschar *acl_smtp_data = NULL;
244#ifndef DISABLE_PRDR
245uschar *acl_smtp_data_prdr = US"accept";
246#endif
247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
250uschar *acl_smtp_etrn = NULL;
251uschar *acl_smtp_expn = NULL;
252uschar *acl_smtp_helo = NULL;
253uschar *acl_smtp_mail = NULL;
254uschar *acl_smtp_mailauth = NULL;
255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
258uschar *acl_smtp_notquit = NULL;
259uschar *acl_smtp_predata = NULL;
260uschar *acl_smtp_quit = NULL;
261uschar *acl_smtp_rcpt = NULL;
262uschar *acl_smtp_starttls = NULL;
263uschar *acl_smtp_vrfy = NULL;
264
265BOOL acl_temp_details = FALSE;
266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
268uschar *acl_verify_message = NULL;
269string_item *acl_warn_logged = NULL;
270
271/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
277 US"MIME",
278 US"DKIM",
279 US"DATA",
280#ifndef DISABLE_PRDR
281 US"PRDR",
282#endif
283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
290 US"non-SMTP-start",
291 US"NOTQUIT",
292 US"QUIT",
293 US"STARTTLS",
294 US"VRFY",
295 US"delivery",
296 US"unknown"
297 };
298
299uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
303 US"550", /* DKIM */
304 US"550", /* DATA */
305#ifndef DISABLE_PRDR
306 US"550", /* RCPT PRDR */
307#endif
308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
319 US"252", /* VRFY */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
322 };
323
324BOOL active_local_from_check = FALSE;
325BOOL active_local_sender_retain = FALSE;
326BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327uschar *add_environment = NULL;
328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
331 .next = NULL,
332 .parent = NULL,
333 .first = NULL,
334 .dupof = NULL,
335 .start_router = NULL,
336 .router = NULL,
337 .transport = NULL,
338 .host_list = NULL,
339 .host_used = NULL,
340 .fallback_hosts = NULL,
341 .reply = NULL,
342 .retries = NULL,
343 .address = NULL,
344 .unique = NULL,
345 .cc_local_part = NULL,
346 .lc_local_part = NULL,
347 .local_part = NULL,
348 .prefix = NULL,
349 .suffix = NULL,
350 .domain = NULL,
351 .address_retry_key = NULL,
352 .domain_retry_key = NULL,
353 .current_dir = NULL,
354 .home_dir = NULL,
355 .message = NULL,
356 .user_message = NULL,
357 .onetime_parent = NULL,
358 .pipe_expandn = NULL,
359 .return_filename = NULL,
360 .self_hostname = NULL,
361 .shadow_message = NULL,
362#ifdef SUPPORT_TLS
363 .cipher = NULL,
364 .ourcert = NULL,
365 .peercert = NULL,
366 .peerdn = NULL,
367 .ocsp = OCSP_NOT_REQ,
368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
370 .smtp_greeting = NULL,
371 .helo_response = NULL,
372#endif
373 .authenticator = NULL,
374 .auth_id = NULL,
375 .auth_sndr = NULL,
376 .dsn_orcpt = NULL,
377 .dsn_flags = 0,
378 .dsn_aware = 0,
379 .uid = (uid_t)(-1),
380 .gid = (gid_t)(-1),
381 .flags = { 0 },
382 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
383 .localpart_cache = { 0 }, /* localpart_cache - ditto */
384 .mode = -1,
385 .more_errno = 0,
386 .delivery_usec = 0,
387 .basic_errno = ERRNO_UNKNOWNERROR,
388 .child_count = 0,
389 .return_file = -1,
390 .special_action = SPECIAL_NONE,
391 .transport_return = DEFER,
392 .prop = { /* fields that are propagated to children */
393 .address_data = NULL,
394 .domain_data = NULL,
395 .localpart_data = NULL,
396 .errors_address = NULL,
397 .extra_headers = NULL,
398 .remove_headers = NULL,
399#ifdef EXPERIMENTAL_SRS
400 .srs_sender = NULL,
401#endif
402 .ignore_error = FALSE,
403#ifdef SUPPORT_I18N
404 .utf8_msg = FALSE,
405 .utf8_downcvt = FALSE,
406 .utf8_downcvt_maybe = FALSE
407#endif
408 }
409};
410
411uschar *address_file = NULL;
412uschar *address_pipe = NULL;
413BOOL address_test_mode = FALSE;
414tree_node *addresslist_anchor = NULL;
415int addresslist_count = 0;
416gid_t *admin_groups = NULL;
417BOOL admin_user = FALSE;
418BOOL allow_auth_unadvertised= FALSE;
419BOOL allow_domain_literals = FALSE;
420BOOL allow_mx_to_ip = FALSE;
421BOOL allow_unqualified_recipient = TRUE; /* For local messages */
422BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
423BOOL allow_utf8_domains = FALSE;
424uschar *authenticated_fail_id = NULL;
425uschar *authenticated_id = NULL;
426uschar *authenticated_sender = NULL;
427BOOL authentication_failed = FALSE;
428auth_instance *auths = NULL;
429uschar *auth_advertise_hosts = US"*";
430auth_instance auth_defaults = {
431 .next = NULL,
432 .name = NULL,
433 .info = NULL,
434 .options_block = NULL,
435 .driver_name = NULL,
436 .advertise_condition = NULL,
437 .client_condition = NULL,
438 .public_name = NULL,
439 .set_id = NULL,
440 .set_client_id = NULL,
441 .mail_auth_condition = NULL,
442 .server_debug_string = NULL,
443 .server_condition = NULL,
444 .client = FALSE,
445 .server = FALSE,
446 .advertised = FALSE
447};
448
449uschar *auth_defer_msg = US"reason not recorded";
450uschar *auth_defer_user_msg = US"";
451uschar *auth_vars[AUTH_VARS];
452int auto_thaw = 0;
453#ifdef WITH_CONTENT_SCAN
454BOOL av_failed = FALSE;
455uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
456#endif
457
458BOOL background_daemon = TRUE;
459
460#if BASE_62 == 62
461uschar *base62_chars=
462 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
463#else
464uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
465#endif
466
467uschar *bi_command = NULL;
468uschar *big_buffer = NULL;
469int big_buffer_size = BIG_BUFFER_SIZE;
470#ifdef EXPERIMENTAL_BRIGHTMAIL
471uschar *bmi_alt_location = NULL;
472uschar *bmi_base64_tracker_verdict = NULL;
473uschar *bmi_base64_verdict = NULL;
474uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
475int bmi_deliver = 1;
476int bmi_run = 0;
477uschar *bmi_verdicts = NULL;
478#endif
479int bsmtp_transaction_linecount = 0;
480int body_8bitmime = 0;
481int body_linecount = 0;
482int body_zerocount = 0;
483uschar *bounce_message_file = NULL;
484uschar *bounce_message_text = NULL;
485uschar *bounce_recipient = NULL;
486BOOL bounce_return_body = TRUE;
487int bounce_return_linesize_limit = 998;
488BOOL bounce_return_message = TRUE;
489int bounce_return_size_limit = 100*1024;
490uschar *bounce_sender_authentication = NULL;
491
492uschar *callout_address = NULL;
493int callout_cache_domain_positive_expire = 7*24*60*60;
494int callout_cache_domain_negative_expire = 3*60*60;
495int callout_cache_positive_expire = 24*60*60;
496int callout_cache_negative_expire = 2*60*60;
497uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
498uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
499int check_log_inodes = 100;
500int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
501BOOL check_rfc2047_length = TRUE;
502int check_spool_inodes = 100;
503int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
504
505uschar *chunking_advertise_hosts = US"*";
506unsigned chunking_datasize = 0;
507unsigned chunking_data_left = 0;
508BOOL chunking_offered = FALSE;
509chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
510const pcre *regex_CHUNKING = NULL;
511
512uschar *client_authenticator = NULL;
513uschar *client_authenticated_id = NULL;
514uschar *client_authenticated_sender = NULL;
515int clmacro_count = 0;
516uschar *clmacros[MAX_CLMACROS];
517BOOL commandline_checks_require_admin = FALSE;
518BOOL config_changed = FALSE;
519FILE *config_file = NULL;
520const uschar *config_filename = NULL;
521int config_lineno = 0;
522#ifdef CONFIGURE_GROUP
523gid_t config_gid = CONFIGURE_GROUP;
524#else
525gid_t config_gid = 0;
526#endif
527uschar *config_main_filelist = US CONFIGURE_FILE
528 "\0<-----------Space to patch configure_filename->";
529uschar *config_main_filename = NULL;
530uschar *config_main_directory = NULL;
531
532#ifdef CONFIGURE_OWNER
533uid_t config_uid = CONFIGURE_OWNER;
534#else
535uid_t config_uid = 0;
536#endif
537
538int connection_max_messages= -1;
539uschar *continue_proxy_cipher = NULL;
540uschar *continue_hostname = NULL;
541uschar *continue_host_address = NULL;
542BOOL continue_more = FALSE;
543int continue_sequence = 1;
544uschar *continue_transport = NULL;
545
546uschar *csa_status = NULL;
547cut_t cutthrough = {
548 .callout_hold_only = FALSE, /* verify-only: normal delivery */
549 .delivery = FALSE, /* when to attempt */
550 .defer_pass = FALSE, /* on defer: spool locally */
551 .is_tls = FALSE, /* not a TLS conn yet */
552 .fd = -1, /* open connection */
553 .nrcpt = 0, /* number of addresses */
554};
555
556BOOL daemon_listen = FALSE;
557uschar *daemon_smtp_port = US"smtp";
558int daemon_startup_retries = 9;
559int daemon_startup_sleep = 30;
560
561#ifdef EXPERIMENTAL_DCC
562BOOL dcc_direct_add_header = FALSE;
563uschar *dcc_header = NULL;
564uschar *dcc_result = NULL;
565uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
566uschar *dccifd_options = US"header";
567#endif
568
569BOOL debug_daemon = FALSE;
570int debug_fd = -1;
571FILE *debug_file = NULL;
572int debug_notall[] = {
573 Di_memory,
574 -1
575};
576bit_table debug_options[] = { /* must be in alphabetical order */
577 BIT_TABLE(D, acl),
578 BIT_TABLE(D, all),
579 BIT_TABLE(D, auth),
580 BIT_TABLE(D, deliver),
581 BIT_TABLE(D, dns),
582 BIT_TABLE(D, dnsbl),
583 BIT_TABLE(D, exec),
584 BIT_TABLE(D, expand),
585 BIT_TABLE(D, filter),
586 BIT_TABLE(D, hints_lookup),
587 BIT_TABLE(D, host_lookup),
588 BIT_TABLE(D, ident),
589 BIT_TABLE(D, interface),
590 BIT_TABLE(D, lists),
591 BIT_TABLE(D, load),
592 BIT_TABLE(D, local_scan),
593 BIT_TABLE(D, lookup),
594 BIT_TABLE(D, memory),
595 BIT_TABLE(D, pid),
596 BIT_TABLE(D, process_info),
597 BIT_TABLE(D, queue_run),
598 BIT_TABLE(D, receive),
599 BIT_TABLE(D, resolver),
600 BIT_TABLE(D, retry),
601 BIT_TABLE(D, rewrite),
602 BIT_TABLE(D, route),
603 BIT_TABLE(D, timestamp),
604 BIT_TABLE(D, tls),
605 BIT_TABLE(D, transport),
606 BIT_TABLE(D, uid),
607 BIT_TABLE(D, verify),
608};
609int debug_options_count = nelem(debug_options);
610
611unsigned int debug_selector = 0;
612BOOL debug_store = FALSE;
613int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
614uschar *delay_warning_condition=
615 US"${if or {"
616 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
617 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
618 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
619 "} {no}{yes}}";
620BOOL delivery_date_remove = TRUE;
621uschar *deliver_address_data = NULL;
622int deliver_datafile = -1;
623const uschar *deliver_domain = NULL;
624uschar *deliver_domain_data = NULL;
625const uschar *deliver_domain_orig = NULL;
626const uschar *deliver_domain_parent = NULL;
627BOOL deliver_drop_privilege = FALSE;
628BOOL deliver_firsttime = FALSE;
629BOOL deliver_force = FALSE;
630BOOL deliver_freeze = FALSE;
631time_t deliver_frozen_at = 0;
632uschar *deliver_home = NULL;
633const uschar *deliver_host = NULL;
634const uschar *deliver_host_address = NULL;
635int deliver_host_port = 0;
636uschar *deliver_in_buffer = NULL;
637ino_t deliver_inode = 0;
638uschar *deliver_localpart = NULL;
639uschar *deliver_localpart_data = NULL;
640uschar *deliver_localpart_orig = NULL;
641uschar *deliver_localpart_parent = NULL;
642uschar *deliver_localpart_prefix = NULL;
643uschar *deliver_localpart_suffix = NULL;
644BOOL deliver_force_thaw = FALSE;
645BOOL deliver_manual_thaw = FALSE;
646uschar *deliver_out_buffer = NULL;
647int deliver_queue_load_max = -1;
648address_item *deliver_recipients = NULL;
649uschar *deliver_selectstring = NULL;
650BOOL deliver_selectstring_regex = FALSE;
651uschar *deliver_selectstring_sender = NULL;
652BOOL deliver_selectstring_sender_regex = FALSE;
653BOOL disable_callout_flush = FALSE;
654BOOL disable_delay_flush = FALSE;
655#ifdef ENABLE_DISABLE_FSYNC
656BOOL disable_fsync = FALSE;
657#endif
658BOOL disable_ipv6 = FALSE;
659BOOL disable_logging = FALSE;
660
661#ifndef DISABLE_DKIM
662BOOL dkim_collect_input = FALSE;
663uschar *dkim_cur_signer = NULL;
664BOOL dkim_disable_verify = FALSE;
665int dkim_key_length = 0;
666uschar *dkim_signers = NULL;
667uschar *dkim_signing_domain = NULL;
668uschar *dkim_signing_selector = NULL;
669uschar *dkim_verify_overall = NULL;
670uschar *dkim_verify_signers = US"$dkim_signers";
671uschar *dkim_verify_status = NULL;
672uschar *dkim_verify_reason = NULL;
673#endif
674#ifdef EXPERIMENTAL_DMARC
675BOOL dmarc_has_been_checked = FALSE;
676uschar *dmarc_ar_header = NULL;
677uschar *dmarc_domain_policy = NULL;
678uschar *dmarc_forensic_sender = NULL;
679uschar *dmarc_history_file = NULL;
680uschar *dmarc_status = NULL;
681uschar *dmarc_status_text = NULL;
682uschar *dmarc_tld_file = NULL;
683uschar *dmarc_used_domain = NULL;
684BOOL dmarc_disable_verify = FALSE;
685BOOL dmarc_enable_forensic = FALSE;
686#endif
687
688uschar *dns_again_means_nonexist = NULL;
689int dns_csa_search_limit = 5;
690BOOL dns_csa_use_reverse = TRUE;
691#ifdef SUPPORT_DANE
692int dns_dane_ok = -1;
693#endif
694uschar *dns_ipv4_lookup = NULL;
695int dns_retrans = 0;
696int dns_retry = 0;
697int dns_dnssec_ok = -1; /* <0 = not coerced */
698uschar *dns_trust_aa = NULL;
699int dns_use_edns0 = -1; /* <0 = not coerced */
700uschar *dnslist_domain = NULL;
701uschar *dnslist_matched = NULL;
702uschar *dnslist_text = NULL;
703uschar *dnslist_value = NULL;
704tree_node *domainlist_anchor = NULL;
705int domainlist_count = 0;
706BOOL dont_deliver = FALSE;
707BOOL dot_ends = TRUE;
708BOOL drop_cr = FALSE; /* No longer used */
709uschar *dsn_from = US DEFAULT_DSN_FROM;
710
711BOOL enable_dollar_recipients = FALSE;
712BOOL envelope_to_remove = TRUE;
713int errno_quota = ERRNO_QUOTA;
714uschar *errors_copy = NULL;
715int error_handling = ERRORS_SENDER;
716uschar *errors_reply_to = NULL;
717int errors_sender_rc = EXIT_FAILURE;
718#ifndef DISABLE_EVENT
719uschar *event_action = NULL; /* expansion for delivery events */
720uschar *event_data = NULL; /* auxiliary data variable for event */
721int event_defer_errno = 0;
722const uschar *event_name = NULL; /* event name variable */
723#endif
724
725
726gid_t exim_gid = EXIM_GID;
727BOOL exim_gid_set = TRUE; /* This gid is always set */
728uschar *exim_path = US BIN_DIRECTORY "/exim"
729 "\0<---------------Space to patch exim_path->";
730uid_t exim_uid = EXIM_UID;
731BOOL exim_uid_set = TRUE; /* This uid is always set */
732int expand_level = 0; /* Nesting depth, indent for debug */
733int expand_forbid = 0;
734int expand_nlength[EXPAND_MAXN+1];
735int expand_nmax = -1;
736uschar *expand_nstring[EXPAND_MAXN+1];
737BOOL expand_string_forcedfail = FALSE;
738uschar *expand_string_message;
739BOOL extract_addresses_remove_arguments = TRUE;
740uschar *extra_local_interfaces = NULL;
741
742int fake_response = OK;
743uschar *fake_response_text = US"Your message has been rejected but is "
744 "being kept for evaluation.\nIf it was a "
745 "legitimate message, it may still be "
746 "delivered to the target recipient(s).";
747int filter_n[FILTER_VARIABLE_COUNT];
748BOOL filter_running = FALSE;
749int filter_sn[FILTER_VARIABLE_COUNT];
750int filter_test = FTEST_NONE;
751uschar *filter_test_sfile = NULL;
752uschar *filter_test_ufile = NULL;
753uschar *filter_thisaddress = NULL;
754int finduser_retries = 0;
755uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
756uschar *freeze_tell = NULL;
757uschar *freeze_tell_config = NULL;
758uschar *fudged_queue_times = US"";
759
760uschar *gecos_name = NULL;
761uschar *gecos_pattern = NULL;
762rewrite_rule *global_rewrite_rules = NULL;
763
764uschar *headers_charset = US HEADERS_CHARSET;
765int header_insert_maxlen = 64 * 1024;
766header_line *header_last = NULL;
767header_line *header_list = NULL;
768int header_maxsize = HEADER_MAXSIZE;
769int header_line_maxsize = 0;
770
771header_name header_names[] = {
772 /* name len allow_resent htype */
773 { US"bcc", 3, TRUE, htype_bcc },
774 { US"cc", 2, TRUE, htype_cc },
775 { US"date", 4, TRUE, htype_date },
776 { US"delivery-date", 13, FALSE, htype_delivery_date },
777 { US"envelope-to", 11, FALSE, htype_envelope_to },
778 { US"from", 4, TRUE, htype_from },
779 { US"message-id", 10, TRUE, htype_id },
780 { US"received", 8, FALSE, htype_received },
781 { US"reply-to", 8, FALSE, htype_reply_to },
782 { US"return-path", 11, FALSE, htype_return_path },
783 { US"sender", 6, TRUE, htype_sender },
784 { US"subject", 7, FALSE, htype_subject },
785 { US"to", 2, TRUE, htype_to }
786};
787
788int header_names_size = sizeof(header_names)/sizeof(header_name);
789
790BOOL header_rewritten = FALSE;
791uschar *helo_accept_junk_hosts = NULL;
792uschar *helo_allow_chars = US"";
793uschar *helo_lookup_domains = US"@ : @[]";
794uschar *helo_try_verify_hosts = NULL;
795BOOL helo_verified = FALSE;
796BOOL helo_verify_failed = FALSE;
797uschar *helo_verify_hosts = NULL;
798const uschar *hex_digits = CUS"0123456789abcdef";
799uschar *hold_domains = NULL;
800BOOL host_checking = FALSE;
801BOOL host_checking_callout = FALSE;
802uschar *host_data = NULL;
803BOOL host_find_failed_syntax= FALSE;
804uschar *host_lookup = NULL;
805BOOL host_lookup_deferred = FALSE;
806BOOL host_lookup_failed = FALSE;
807uschar *host_lookup_order = US"bydns:byaddr";
808uschar *host_lookup_msg = US"";
809int host_number = 0;
810uschar *host_number_string = NULL;
811uschar *host_reject_connection = NULL;
812tree_node *hostlist_anchor = NULL;
813int hostlist_count = 0;
814uschar *hosts_treat_as_local = NULL;
815uschar *hosts_connection_nolog = NULL;
816
817int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
818BOOL ignore_fromline_local = FALSE;
819uschar *ignore_fromline_hosts = NULL;
820BOOL inetd_wait_mode = FALSE;
821int inetd_wait_timeout = -1;
822uschar *initial_cwd = NULL;
823uschar *interface_address = NULL;
824int interface_port = -1;
825BOOL is_inetd = FALSE;
826uschar *iterate_item = NULL;
827
828int journal_fd = -1;
829
830uschar *keep_environment = NULL;
831
832int keep_malformed = 4*24*60*60; /* 4 days */
833
834uschar *eldap_dn = NULL;
835int load_average = -2;
836BOOL local_error_message = FALSE;
837BOOL local_from_check = TRUE;
838uschar *local_from_prefix = NULL;
839uschar *local_from_suffix = NULL;
840
841#if HAVE_IPV6
842uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
843#else
844uschar *local_interfaces = US"0.0.0.0";
845#endif
846
847uschar *local_scan_data = NULL;
848int local_scan_timeout = 5*60;
849BOOL local_sender_retain = FALSE;
850gid_t local_user_gid = (gid_t)(-1);
851uid_t local_user_uid = (uid_t)(-1);
852
853tree_node *localpartlist_anchor= NULL;
854int localpartlist_count = 0;
855uschar *log_buffer = NULL;
856
857int log_default[] = { /* for initializing log_selector */
858 Li_acl_warn_skipped,
859 Li_connection_reject,
860 Li_delay_delivery,
861 Li_dkim,
862 Li_dnslist_defer,
863 Li_etrn,
864 Li_host_lookup_failed,
865 Li_lost_incoming_connection,
866 Li_outgoing_interface, /* see d_log_interface in deliver.c */
867 Li_queue_run,
868 Li_rejected_header,
869 Li_retry_defer,
870 Li_sender_verify_fail,
871 Li_size_reject,
872 Li_skip_delivery,
873 Li_smtp_confirmation,
874 Li_tls_certificate_verified,
875 Li_tls_cipher,
876 -1
877};
878
879uschar *log_file_path = US LOG_FILE_PATH
880 "\0<--------------Space to patch log_file_path->";
881
882int log_notall[] = {
883 -1
884};
885bit_table log_options[] = { /* must be in alphabetical order */
886 BIT_TABLE(L, 8bitmime),
887 BIT_TABLE(L, acl_warn_skipped),
888 BIT_TABLE(L, address_rewrite),
889 BIT_TABLE(L, all),
890 BIT_TABLE(L, all_parents),
891 BIT_TABLE(L, arguments),
892 BIT_TABLE(L, connection_reject),
893 BIT_TABLE(L, delay_delivery),
894 BIT_TABLE(L, deliver_time),
895 BIT_TABLE(L, delivery_size),
896#ifndef DISABLE_DKIM
897 BIT_TABLE(L, dkim),
898 BIT_TABLE(L, dkim_verbose),
899#endif
900 BIT_TABLE(L, dnslist_defer),
901 BIT_TABLE(L, dnssec),
902 BIT_TABLE(L, etrn),
903 BIT_TABLE(L, host_lookup_failed),
904 BIT_TABLE(L, ident_timeout),
905 BIT_TABLE(L, incoming_interface),
906 BIT_TABLE(L, incoming_port),
907 BIT_TABLE(L, lost_incoming_connection),
908 BIT_TABLE(L, millisec),
909 BIT_TABLE(L, outgoing_interface),
910 BIT_TABLE(L, outgoing_port),
911 BIT_TABLE(L, pid),
912#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
913 BIT_TABLE(L, proxy),
914#endif
915 BIT_TABLE(L, queue_run),
916 BIT_TABLE(L, queue_time),
917 BIT_TABLE(L, queue_time_overall),
918 BIT_TABLE(L, receive_time),
919 BIT_TABLE(L, received_recipients),
920 BIT_TABLE(L, received_sender),
921 BIT_TABLE(L, rejected_header),
922 { US"rejected_headers", Li_rejected_header },
923 BIT_TABLE(L, retry_defer),
924 BIT_TABLE(L, return_path_on_delivery),
925 BIT_TABLE(L, sender_on_delivery),
926 BIT_TABLE(L, sender_verify_fail),
927 BIT_TABLE(L, size_reject),
928 BIT_TABLE(L, skip_delivery),
929 BIT_TABLE(L, smtp_confirmation),
930 BIT_TABLE(L, smtp_connection),
931 BIT_TABLE(L, smtp_incomplete_transaction),
932 BIT_TABLE(L, smtp_mailauth),
933 BIT_TABLE(L, smtp_no_mail),
934 BIT_TABLE(L, smtp_protocol_error),
935 BIT_TABLE(L, smtp_syntax_error),
936 BIT_TABLE(L, subject),
937 BIT_TABLE(L, tls_certificate_verified),
938 BIT_TABLE(L, tls_cipher),
939 BIT_TABLE(L, tls_peerdn),
940 BIT_TABLE(L, tls_sni),
941 BIT_TABLE(L, unknown_in_list),
942};
943int log_options_count = nelem(log_options);
944
945int log_reject_target = 0;
946unsigned int log_selector[log_selector_size]; /* initialized in main() */
947uschar *log_selector_string = NULL;
948FILE *log_stderr = NULL;
949BOOL log_testing_mode = FALSE;
950BOOL log_timezone = FALSE;
951uschar *login_sender_address = NULL;
952uschar *lookup_dnssec_authenticated = NULL;
953int lookup_open_max = 25;
954uschar *lookup_value = NULL;
955
956macro_item *macros_user = NULL;
957uschar *mailstore_basename = NULL;
958#ifdef WITH_CONTENT_SCAN
959uschar *malware_name = NULL; /* Virus Name */
960#endif
961int max_received_linelength= 0;
962int max_username_length = 0;
963int message_age = 0;
964uschar *message_body = NULL;
965uschar *message_body_end = NULL;
966BOOL message_body_newlines = FALSE;
967int message_body_size = 0;
968int message_body_visible = 500;
969int message_ended = END_NOTSTARTED;
970uschar *message_headers = NULL;
971uschar *message_id;
972uschar *message_id_domain = NULL;
973uschar *message_id_text = NULL;
974struct timeval message_id_tv = { 0, 0 };
975uschar message_id_option[MESSAGE_ID_LENGTH + 3];
976uschar *message_id_external;
977int message_linecount = 0;
978BOOL message_logs = TRUE;
979int message_size = 0;
980uschar *message_size_limit = US"50M";
981#ifdef SUPPORT_I18N
982BOOL message_smtputf8 = FALSE;
983int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
984#endif
985uschar message_subdir[2] = { 0, 0 };
986uschar *message_reference = NULL;
987
988/* MIME ACL expandables */
989#ifdef WITH_CONTENT_SCAN
990int mime_anomaly_level = 0;
991const uschar *mime_anomaly_text = NULL;
992uschar *mime_boundary = NULL;
993uschar *mime_charset = NULL;
994uschar *mime_content_description = NULL;
995uschar *mime_content_disposition = NULL;
996uschar *mime_content_id = NULL;
997unsigned int mime_content_size = 0;
998uschar *mime_content_transfer_encoding = NULL;
999uschar *mime_content_type = NULL;
1000uschar *mime_decoded_filename = NULL;
1001uschar *mime_filename = NULL;
1002int mime_is_multipart = 0;
1003int mime_is_coverletter = 0;
1004int mime_is_rfc822 = 0;
1005int mime_part_count = -1;
1006#endif
1007
1008BOOL mua_wrapper = FALSE;
1009
1010uid_t *never_users = NULL;
1011#ifdef WITH_CONTENT_SCAN
1012BOOL no_mbox_unspool = FALSE;
1013#endif
1014BOOL no_multiline_responses = FALSE;
1015
1016const int on = 1; /* for setsockopt */
1017const int off = 0;
1018
1019uid_t original_euid;
1020gid_t originator_gid;
1021uschar *originator_login = NULL;
1022uschar *originator_name = NULL;
1023uid_t originator_uid;
1024uschar *override_local_interfaces = NULL;
1025uschar *override_pid_file_path = NULL;
1026
1027BOOL parse_allow_group = FALSE;
1028BOOL parse_found_group = FALSE;
1029uschar *percent_hack_domains = NULL;
1030uschar *pid_file_path = US PID_FILE_PATH
1031 "\0<--------------Space to patch pid_file_path->";
1032BOOL pipelining_enable = TRUE;
1033uschar *pipelining_advertise_hosts = US"*";
1034BOOL preserve_message_logs = FALSE;
1035uschar *primary_hostname = NULL;
1036BOOL print_topbitchars = FALSE;
1037uschar process_info[PROCESS_INFO_SIZE];
1038int process_info_len = 0;
1039uschar *process_log_path = NULL;
1040BOOL prod_requires_admin = TRUE;
1041
1042#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1043uschar *hosts_proxy = US"";
1044uschar *proxy_external_address = US"";
1045int proxy_external_port = 0;
1046uschar *proxy_local_address = US"";
1047int proxy_local_port = 0;
1048BOOL proxy_session = FALSE;
1049BOOL proxy_session_failed = FALSE;
1050#endif
1051
1052uschar *prvscheck_address = NULL;
1053uschar *prvscheck_keynum = NULL;
1054uschar *prvscheck_result = NULL;
1055
1056
1057const uschar *qualify_domain_recipient = NULL;
1058uschar *qualify_domain_sender = NULL;
1059BOOL queue_2stage = FALSE;
1060uschar *queue_domains = NULL;
1061int queue_interval = -1;
1062BOOL queue_list_requires_admin = TRUE;
1063uschar *queue_name = US"";
1064BOOL queue_only = FALSE;
1065uschar *queue_only_file = NULL;
1066int queue_only_load = -1;
1067BOOL queue_only_load_latch = TRUE;
1068BOOL queue_only_override = TRUE;
1069BOOL queue_only_policy = FALSE;
1070BOOL queue_run_first_delivery = FALSE;
1071BOOL queue_run_force = FALSE;
1072BOOL queue_run_in_order = FALSE;
1073BOOL queue_run_local = FALSE;
1074uschar *queue_run_max = US"5";
1075pid_t queue_run_pid = (pid_t)0;
1076int queue_run_pipe = -1;
1077BOOL queue_running = FALSE;
1078BOOL queue_smtp = FALSE;
1079uschar *queue_smtp_domains = NULL;
1080
1081unsigned int random_seed = 0;
1082tree_node *ratelimiters_cmd = NULL;
1083tree_node *ratelimiters_conn = NULL;
1084tree_node *ratelimiters_mail = NULL;
1085uschar *raw_active_hostname = NULL;
1086uschar *raw_sender = NULL;
1087uschar **raw_recipients = NULL;
1088int raw_recipients_count = 0;
1089
1090int rcpt_count = 0;
1091int rcpt_fail_count = 0;
1092int rcpt_defer_count = 0;
1093gid_t real_gid;
1094uid_t real_uid;
1095BOOL really_exim = TRUE;
1096BOOL receive_call_bombout = FALSE;
1097int receive_linecount = 0;
1098int receive_messagecount = 0;
1099int receive_timeout = 0;
1100int received_count = 0;
1101uschar *received_for = NULL;
1102
1103/* This is the default text for Received headers generated by Exim. The
1104date will be automatically added on the end. */
1105
1106uschar *received_header_text = US
1107 "Received: "
1108 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1109 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1110 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1111 "by $primary_hostname "
1112 "${if def:received_protocol {with $received_protocol}} "
1113 #ifdef SUPPORT_TLS
1114 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1115 #endif
1116 "(Exim $version_number)\n\t"
1117 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1118 "id $message_exim_id"
1119 "${if def:received_for {\n\tfor $received_for}}"
1120 "\0<---------------Space to patch received_header_text->";
1121
1122int received_headers_max = 30;
1123uschar *received_protocol = NULL;
1124struct timeval received_time = { 0, 0 };
1125struct timeval received_time_taken = { 0, 0 };
1126uschar *recipient_data = NULL;
1127uschar *recipient_unqualified_hosts = NULL;
1128uschar *recipient_verify_failure = NULL;
1129int recipients_count = 0;
1130BOOL recipients_discarded = FALSE;
1131recipient_item *recipients_list = NULL;
1132int recipients_list_max = 0;
1133int recipients_max = 0;
1134BOOL recipients_max_reject = FALSE;
1135const pcre *regex_AUTH = NULL;
1136const pcre *regex_check_dns_names = NULL;
1137const pcre *regex_From = NULL;
1138const pcre *regex_IGNOREQUOTA = NULL;
1139const pcre *regex_PIPELINING = NULL;
1140const pcre *regex_SIZE = NULL;
1141const pcre *regex_ismsgid = NULL;
1142const pcre *regex_smtp_code = NULL;
1143uschar *regex_vars[REGEX_VARS];
1144#ifdef WHITELIST_D_MACROS
1145const pcre *regex_whitelisted_macro = NULL;
1146#endif
1147#ifdef WITH_CONTENT_SCAN
1148uschar *regex_match_string = NULL;
1149#endif
1150int remote_delivery_count = 0;
1151int remote_max_parallel = 2;
1152uschar *remote_sort_domains = NULL;
1153int retry_data_expire = 7*24*60*60;
1154int retry_interval_max = 24*60*60;
1155int retry_maximum_timeout = 0; /* set from retry config */
1156retry_config *retries = NULL;
1157uschar *return_path = NULL;
1158BOOL return_path_remove = TRUE;
1159int rewrite_existflags = 0;
1160uschar *rfc1413_hosts = US"@[]";
1161int rfc1413_query_timeout = 0;
1162/* BOOL rfc821_domains = FALSE; <<< on the way out */
1163uid_t root_gid = ROOT_GID;
1164uid_t root_uid = ROOT_UID;
1165
1166router_instance *routers = NULL;
1167router_instance router_defaults = {
1168 .next = NULL,
1169 .name = NULL,
1170 .info = NULL,
1171 .options_block = NULL,
1172 .driver_name = NULL,
1173
1174 .address_data = NULL,
1175#ifdef EXPERIMENTAL_BRIGHTMAIL
1176 .bmi_rule = NULL,
1177#endif
1178 .cannot_route_message = NULL,
1179 .condition = NULL,
1180 .current_directory = NULL,
1181 .debug_string = NULL,
1182 .domains = NULL,
1183 .errors_to = NULL,
1184 .expand_gid = NULL,
1185 .expand_uid = NULL,
1186 .expand_more = NULL,
1187 .expand_unseen = NULL,
1188 .extra_headers = NULL,
1189 .fallback_hosts = NULL,
1190 .home_directory = NULL,
1191 .ignore_target_hosts = NULL,
1192 .local_parts = NULL,
1193 .pass_router_name = NULL,
1194 .prefix = NULL,
1195 .redirect_router_name = NULL,
1196 .remove_headers = NULL,
1197 .require_files = NULL,
1198 .router_home_directory = NULL,
1199 .self = US"freeze",
1200 .senders = NULL,
1201 .suffix = NULL,
1202 .translate_ip_address = NULL,
1203 .transport_name = NULL,
1204
1205 .address_test = TRUE,
1206#ifdef EXPERIMENTAL_BRIGHTMAIL
1207 .bmi_deliver_alternate = FALSE,
1208 .bmi_deliver_default = FALSE,
1209 .bmi_dont_deliver = FALSE,
1210#endif
1211 .expn = TRUE,
1212 .caseful_local_part = FALSE,
1213 .check_local_user = FALSE,
1214 .disable_logging = FALSE,
1215 .fail_verify_recipient = FALSE,
1216 .fail_verify_sender = FALSE,
1217 .gid_set = FALSE,
1218 .initgroups = FALSE,
1219 .log_as_local = TRUE_UNSET,
1220 .more = TRUE,
1221 .pass_on_timeout = FALSE,
1222 .prefix_optional = FALSE,
1223 .repeat_use = TRUE,
1224 .retry_use_local_part = TRUE_UNSET,
1225 .same_domain_copy_routing = FALSE,
1226 .self_rewrite = FALSE,
1227 .suffix_optional = FALSE,
1228 .verify_only = FALSE,
1229 .verify_recipient = TRUE,
1230 .verify_sender = TRUE,
1231 .uid_set = FALSE,
1232 .unseen = FALSE,
1233 .dsn_lasthop = FALSE,
1234
1235 .self_code = self_freeze,
1236 .uid = (uid_t)(-1),
1237 .gid = (gid_t)(-1),
1238
1239 .fallback_hostlist = NULL,
1240 .transport = NULL,
1241 .pass_router = NULL,
1242 .redirect_router = NULL,
1243
1244 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1245};
1246
1247uschar *router_name = NULL;
1248
1249ip_address_item *running_interfaces = NULL;
1250BOOL running_in_test_harness = FALSE;
1251
1252/* This is a weird one. The following string gets patched in the binary by the
1253script that sets up a copy of Exim for running in the test harness. It seems
1254that compilers are now clever, and share constant strings if they can.
1255Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1256make use of the end of this string in order to save space. So the patching then
1257wrecks this. We defeat this optimization by adding some additional characters
1258onto the end of the string. */
1259
1260uschar *running_status = US">>>running<<<" "\0EXTRA";
1261
1262int runrc = 0;
1263
1264uschar *search_error_message = NULL;
1265BOOL search_find_defer = FALSE;
1266uschar *self_hostname = NULL;
1267uschar *sender_address = NULL;
1268unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1269uschar *sender_address_data = NULL;
1270BOOL sender_address_forced = FALSE;
1271uschar *sender_address_unrewritten = NULL;
1272uschar *sender_data = NULL;
1273unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1274uschar *sender_fullhost = NULL;
1275BOOL sender_helo_dnssec = FALSE;
1276uschar *sender_helo_name = NULL;
1277uschar **sender_host_aliases = &no_aliases;
1278uschar *sender_host_address = NULL;
1279uschar *sender_host_authenticated = NULL;
1280unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1281BOOL sender_host_dnssec = FALSE;
1282uschar *sender_host_name = NULL;
1283int sender_host_port = 0;
1284BOOL sender_host_notsocket = FALSE;
1285BOOL sender_host_unknown = FALSE;
1286uschar *sender_ident = NULL;
1287BOOL sender_local = FALSE;
1288BOOL sender_name_forced = FALSE;
1289uschar *sender_rate = NULL;
1290uschar *sender_rate_limit = NULL;
1291uschar *sender_rate_period = NULL;
1292uschar *sender_rcvhost = NULL;
1293BOOL sender_set_untrusted = FALSE;
1294uschar *sender_unqualified_hosts = NULL;
1295uschar *sender_verify_failure = NULL;
1296address_item *sender_verified_list = NULL;
1297address_item *sender_verified_failed = NULL;
1298int sender_verified_rc = -1;
1299BOOL sender_verified_responded = FALSE;
1300uschar *sending_ip_address = NULL;
1301int sending_port = -1;
1302SIGNAL_BOOL sigalrm_seen = FALSE;
1303uschar **sighup_argv = NULL;
1304int slow_lookup_log = 0; /* millisecs, zero disables */
1305int smtp_accept_count = 0;
1306BOOL smtp_accept_keepalive = TRUE;
1307int smtp_accept_max = 20;
1308int smtp_accept_max_nonmail= 10;
1309uschar *smtp_accept_max_nonmail_hosts = US"*";
1310int smtp_accept_max_per_connection = 1000;
1311uschar *smtp_accept_max_per_host = NULL;
1312int smtp_accept_queue = 0;
1313int smtp_accept_queue_per_connection = 10;
1314int smtp_accept_reserve = 0;
1315uschar *smtp_active_hostname = NULL;
1316BOOL smtp_authenticated = FALSE;
1317uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1318 "Exim $version_number $tod_full"
1319 "\0<---------------Space to patch smtp_banner->";
1320BOOL smtp_batched_input = FALSE;
1321BOOL smtp_check_spool_space = TRUE;
1322int smtp_ch_index = 0;
1323uschar *smtp_cmd_argument = NULL;
1324uschar *smtp_cmd_buffer = NULL;
1325struct timeval smtp_connection_start = {0,0};
1326uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1327int smtp_connect_backlog = 20;
1328double smtp_delay_mail = 0.0;
1329double smtp_delay_rcpt = 0.0;
1330BOOL smtp_enforce_sync = TRUE;
1331FILE *smtp_in = NULL;
1332BOOL smtp_input = FALSE;
1333int smtp_load_reserve = -1;
1334int smtp_mailcmd_count = 0;
1335FILE *smtp_out = NULL;
1336uschar *smtp_etrn_command = NULL;
1337BOOL smtp_etrn_serialize = TRUE;
1338int smtp_max_synprot_errors= 3;
1339int smtp_max_unknown_commands = 3;
1340uschar *smtp_notquit_reason = NULL;
1341uschar *smtp_ratelimit_hosts = NULL;
1342uschar *smtp_ratelimit_mail = NULL;
1343uschar *smtp_ratelimit_rcpt = NULL;
1344uschar *smtp_read_error = US"";
1345int smtp_receive_timeout = 5*60;
1346uschar *smtp_receive_timeout_s = NULL;
1347uschar *smtp_reserve_hosts = NULL;
1348BOOL smtp_return_error_details = FALSE;
1349int smtp_rlm_base = 0;
1350double smtp_rlm_factor = 0.0;
1351int smtp_rlm_limit = 0;
1352int smtp_rlm_threshold = INT_MAX;
1353int smtp_rlr_base = 0;
1354double smtp_rlr_factor = 0.0;
1355int smtp_rlr_limit = 0;
1356int smtp_rlr_threshold = INT_MAX;
1357unsigned smtp_peer_options = 0;
1358unsigned smtp_peer_options_wrap= 0;
1359#ifdef SUPPORT_I18N
1360uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1361#endif
1362
1363#ifdef WITH_CONTENT_SCAN
1364uschar *spamd_address = US"127.0.0.1 783";
1365uschar *spam_bar = NULL;
1366uschar *spam_report = NULL;
1367uschar *spam_action = NULL;
1368uschar *spam_score = NULL;
1369uschar *spam_score_int = NULL;
1370#endif
1371#ifdef SUPPORT_SPF
1372uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1373uschar *spf_header_comment = NULL;
1374uschar *spf_received = NULL;
1375uschar *spf_result = NULL;
1376uschar *spf_smtp_comment = NULL;
1377#endif
1378
1379BOOL split_spool_directory = FALSE;
1380uschar *spool_directory = US SPOOL_DIRECTORY
1381 "\0<--------------Space to patch spool_directory->";
1382BOOL spool_file_wireformat = FALSE;
1383BOOL spool_wireformat = FALSE;
1384#ifdef EXPERIMENTAL_SRS
1385uschar *srs_config = NULL;
1386uschar *srs_db_address = NULL;
1387uschar *srs_db_key = NULL;
1388int srs_hashlength = 6;
1389int srs_hashmin = -1;
1390int srs_maxage = 31;
1391uschar *srs_orig_recipient = NULL;
1392uschar *srs_orig_sender = NULL;
1393uschar *srs_recipient = NULL;
1394uschar *srs_secrets = NULL;
1395uschar *srs_status = NULL;
1396BOOL srs_usehash = TRUE;
1397BOOL srs_usetimestamp = TRUE;
1398#endif
1399BOOL strict_acl_vars = FALSE;
1400int string_datestamp_offset= -1;
1401int string_datestamp_length= 0;
1402int string_datestamp_type = -1;
1403BOOL strip_excess_angle_brackets = FALSE;
1404BOOL strip_trailing_dot = FALSE;
1405uschar *submission_domain = NULL;
1406BOOL submission_mode = FALSE;
1407uschar *submission_name = NULL;
1408BOOL suppress_local_fixups = FALSE;
1409BOOL suppress_local_fixups_default = FALSE;
1410BOOL synchronous_delivery = FALSE;
1411BOOL syslog_duplication = TRUE;
1412int syslog_facility = LOG_MAIL;
1413BOOL syslog_pid = TRUE;
1414uschar *syslog_processname = US"exim";
1415BOOL syslog_timestamp = TRUE;
1416uschar *system_filter = NULL;
1417
1418uschar *system_filter_directory_transport = NULL;
1419uschar *system_filter_file_transport = NULL;
1420uschar *system_filter_pipe_transport = NULL;
1421uschar *system_filter_reply_transport = NULL;
1422
1423gid_t system_filter_gid = 0;
1424BOOL system_filter_gid_set = FALSE;
1425uid_t system_filter_uid = (uid_t)-1;
1426BOOL system_filter_uid_set = FALSE;
1427BOOL system_filtering = FALSE;
1428
1429BOOL tcp_fastopen_ok = FALSE;
1430blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1431BOOL tcp_in_fastopen = FALSE;
1432BOOL tcp_in_fastopen_logged = FALSE;
1433BOOL tcp_nodelay = TRUE;
1434int tcp_out_fastopen = 0;
1435BOOL tcp_out_fastopen_logged= FALSE;
1436#ifdef USE_TCP_WRAPPERS
1437uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1438#endif
1439int test_harness_load_avg = 0;
1440int thismessage_size_limit = 0;
1441int timeout_frozen_after = 0;
1442BOOL timestamps_utc = FALSE;
1443
1444transport_instance *transports = NULL;
1445
1446transport_instance transport_defaults = {
1447 .next = NULL,
1448 .name = NULL,
1449 .info = NULL,
1450 .options_block = NULL,
1451 .driver_name = NULL,
1452 .setup = NULL,
1453 .batch_max = 1,
1454 .batch_id = NULL,
1455 .home_dir = NULL,
1456 .current_dir = NULL,
1457 .expand_multi_domain = NULL,
1458 .multi_domain = TRUE,
1459 .overrides_hosts = FALSE,
1460 .max_addresses = 100,
1461 .connection_max_messages = 500,
1462 .deliver_as_creator = FALSE,
1463 .disable_logging = FALSE,
1464 .initgroups = FALSE,
1465 .uid_set = FALSE,
1466 .gid_set = FALSE,
1467 .uid = (uid_t)(-1),
1468 .gid = (gid_t)(-1),
1469 .expand_uid = NULL,
1470 .expand_gid = NULL,
1471 .warn_message = NULL,
1472 .shadow = NULL,
1473 .shadow_condition = NULL,
1474 .filter_command = NULL,
1475 .add_headers = NULL,
1476 .remove_headers = NULL,
1477 .return_path = NULL,
1478 .debug_string = NULL,
1479 .max_parallel = NULL,
1480 .message_size_limit = NULL,
1481 .headers_rewrite = NULL,
1482 .rewrite_rules = NULL,
1483 .rewrite_existflags = 0,
1484 .filter_timeout = 300,
1485 .body_only = FALSE,
1486 .delivery_date_add = FALSE,
1487 .envelope_to_add = FALSE,
1488 .headers_only = FALSE,
1489 .rcpt_include_affixes = FALSE,
1490 .return_path_add = FALSE,
1491 .return_output = FALSE,
1492 .return_fail_output = FALSE,
1493 .log_output = FALSE,
1494 .log_fail_output = FALSE,
1495 .log_defer_output = FALSE,
1496 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1497 1 nor 0 so can detect unset */
1498#ifndef DISABLE_EVENT
1499 .event_action = NULL
1500#endif
1501};
1502
1503int transport_count;
1504uschar *transport_name = NULL;
1505int transport_newlines;
1506const uschar **transport_filter_argv = NULL;
1507int transport_filter_timeout;
1508BOOL transport_filter_timed_out = FALSE;
1509int transport_write_timeout= 0;
1510
1511tree_node *tree_dns_fails = NULL;
1512tree_node *tree_duplicates = NULL;
1513tree_node *tree_nonrecipients = NULL;
1514tree_node *tree_unusable = NULL;
1515
1516BOOL trusted_caller = FALSE;
1517BOOL trusted_config = TRUE;
1518gid_t *trusted_groups = NULL;
1519uid_t *trusted_users = NULL;
1520uschar *timezone_string = US TIMEZONE_DEFAULT;
1521
1522uschar *unknown_login = NULL;
1523uschar *unknown_username = NULL;
1524uschar *untrusted_set_sender = NULL;
1525
1526/* A regex for matching a "From_" line in an incoming message, in the form
1527
1528 From ph10 Fri Jan 5 12:35 GMT 1996
1529
1530which the "mail" commands send to the MTA (undocumented, of course), or in
1531the form
1532
1533 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1534
1535which is apparently used by some UUCPs, despite it not being in RFC 976.
1536Because of variations in time formats, just match up to the minutes. That
1537should be sufficient. Examples have been seen of time fields like 12:1:03,
1538so just require one digit for hours and minutes. The weekday is also absent
1539in some forms. */
1540
1541uschar *uucp_from_pattern = US
1542 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1543 "(?:" /* Non-extracting bracket */
1544 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1545 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1546 ")" /* End alternation */
1547 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1548
1549uschar *uucp_from_sender = US"$1";
1550
1551uschar *verify_mode = NULL;
1552uschar *version_copyright =
1553 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1554 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1555uschar *version_date = US"?";
1556uschar *version_cnumber = US"????";
1557uschar *version_string = US"?";
1558
1559uschar *warn_message_file = NULL;
1560int warning_count = 0;
1561uschar *warnmsg_delay = NULL;
1562uschar *warnmsg_recipients = NULL;
1563BOOL write_rejectlog = TRUE;
1564
1565
1566/* End of globals.c */
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