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DMARC: add results to generic authres string; remove $dmarc_ar_header
[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;
424
425#ifdef EXPERIMENTAL_ARC
426struct arc_set *arc_received = NULL;
427int arc_received_instance = 0;
428int arc_oldest_pass = 0;
429const uschar *arc_state = NULL;
430const uschar *arc_state_reason = NULL;
431#endif
432
433uschar *authenticated_fail_id = NULL;
434uschar *authenticated_id = NULL;
435uschar *authenticated_sender = NULL;
436BOOL authentication_failed = FALSE;
437auth_instance *auths = NULL;
438uschar *auth_advertise_hosts = US"*";
439auth_instance auth_defaults = {
440 .next = NULL,
441 .name = NULL,
442 .info = NULL,
443 .options_block = NULL,
444 .driver_name = NULL,
445 .advertise_condition = NULL,
446 .client_condition = NULL,
447 .public_name = NULL,
448 .set_id = NULL,
449 .set_client_id = NULL,
450 .mail_auth_condition = NULL,
451 .server_debug_string = NULL,
452 .server_condition = NULL,
453 .client = FALSE,
454 .server = FALSE,
455 .advertised = FALSE
456};
457
458uschar *auth_defer_msg = US"reason not recorded";
459uschar *auth_defer_user_msg = US"";
460uschar *auth_vars[AUTH_VARS];
461int auto_thaw = 0;
462#ifdef WITH_CONTENT_SCAN
463BOOL av_failed = FALSE;
464uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
465#endif
466
467BOOL background_daemon = TRUE;
468
469#if BASE_62 == 62
470uschar *base62_chars=
471 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
472#else
473uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
474#endif
475
476uschar *bi_command = NULL;
477uschar *big_buffer = NULL;
478int big_buffer_size = BIG_BUFFER_SIZE;
479#ifdef EXPERIMENTAL_BRIGHTMAIL
480uschar *bmi_alt_location = NULL;
481uschar *bmi_base64_tracker_verdict = NULL;
482uschar *bmi_base64_verdict = NULL;
483uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
484int bmi_deliver = 1;
485int bmi_run = 0;
486uschar *bmi_verdicts = NULL;
487#endif
488int bsmtp_transaction_linecount = 0;
489int body_8bitmime = 0;
490int body_linecount = 0;
491int body_zerocount = 0;
492uschar *bounce_message_file = NULL;
493uschar *bounce_message_text = NULL;
494uschar *bounce_recipient = NULL;
495BOOL bounce_return_body = TRUE;
496int bounce_return_linesize_limit = 998;
497BOOL bounce_return_message = TRUE;
498int bounce_return_size_limit = 100*1024;
499uschar *bounce_sender_authentication = NULL;
500
501uschar *callout_address = NULL;
502int callout_cache_domain_positive_expire = 7*24*60*60;
503int callout_cache_domain_negative_expire = 3*60*60;
504int callout_cache_positive_expire = 24*60*60;
505int callout_cache_negative_expire = 2*60*60;
506uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
507uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
508int check_log_inodes = 100;
509int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
510BOOL check_rfc2047_length = TRUE;
511int check_spool_inodes = 100;
512int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
513
514uschar *chunking_advertise_hosts = US"*";
515unsigned chunking_datasize = 0;
516unsigned chunking_data_left = 0;
517BOOL chunking_offered = FALSE;
518chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
519const pcre *regex_CHUNKING = NULL;
520
521uschar *client_authenticator = NULL;
522uschar *client_authenticated_id = NULL;
523uschar *client_authenticated_sender = NULL;
524int clmacro_count = 0;
525uschar *clmacros[MAX_CLMACROS];
526BOOL commandline_checks_require_admin = FALSE;
527BOOL config_changed = FALSE;
528FILE *config_file = NULL;
529const uschar *config_filename = NULL;
530int config_lineno = 0;
531#ifdef CONFIGURE_GROUP
532gid_t config_gid = CONFIGURE_GROUP;
533#else
534gid_t config_gid = 0;
535#endif
536uschar *config_main_filelist = US CONFIGURE_FILE
537 "\0<-----------Space to patch configure_filename->";
538uschar *config_main_filename = NULL;
539uschar *config_main_directory = NULL;
540
541#ifdef CONFIGURE_OWNER
542uid_t config_uid = CONFIGURE_OWNER;
543#else
544uid_t config_uid = 0;
545#endif
546
547int connection_max_messages= -1;
548uschar *continue_proxy_cipher = NULL;
549uschar *continue_hostname = NULL;
550uschar *continue_host_address = NULL;
551BOOL continue_more = FALSE;
552int continue_sequence = 1;
553uschar *continue_transport = NULL;
554
555uschar *csa_status = NULL;
556cut_t cutthrough = {
557 .callout_hold_only = FALSE, /* verify-only: normal delivery */
558 .delivery = FALSE, /* when to attempt */
559 .defer_pass = FALSE, /* on defer: spool locally */
560 .is_tls = FALSE, /* not a TLS conn yet */
561 .fd = -1, /* open connection */
562 .nrcpt = 0, /* number of addresses */
563};
564
565BOOL daemon_listen = FALSE;
566uschar *daemon_smtp_port = US"smtp";
567int daemon_startup_retries = 9;
568int daemon_startup_sleep = 30;
569
570#ifdef EXPERIMENTAL_DCC
571BOOL dcc_direct_add_header = FALSE;
572uschar *dcc_header = NULL;
573uschar *dcc_result = NULL;
574uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
575uschar *dccifd_options = US"header";
576#endif
577
578BOOL debug_daemon = FALSE;
579int debug_fd = -1;
580FILE *debug_file = NULL;
581int debug_notall[] = {
582 Di_memory,
583 -1
584};
585bit_table debug_options[] = { /* must be in alphabetical order */
586 BIT_TABLE(D, acl),
587 BIT_TABLE(D, all),
588 BIT_TABLE(D, auth),
589 BIT_TABLE(D, deliver),
590 BIT_TABLE(D, dns),
591 BIT_TABLE(D, dnsbl),
592 BIT_TABLE(D, exec),
593 BIT_TABLE(D, expand),
594 BIT_TABLE(D, filter),
595 BIT_TABLE(D, hints_lookup),
596 BIT_TABLE(D, host_lookup),
597 BIT_TABLE(D, ident),
598 BIT_TABLE(D, interface),
599 BIT_TABLE(D, lists),
600 BIT_TABLE(D, load),
601 BIT_TABLE(D, local_scan),
602 BIT_TABLE(D, lookup),
603 BIT_TABLE(D, memory),
604 BIT_TABLE(D, pid),
605 BIT_TABLE(D, process_info),
606 BIT_TABLE(D, queue_run),
607 BIT_TABLE(D, receive),
608 BIT_TABLE(D, resolver),
609 BIT_TABLE(D, retry),
610 BIT_TABLE(D, rewrite),
611 BIT_TABLE(D, route),
612 BIT_TABLE(D, timestamp),
613 BIT_TABLE(D, tls),
614 BIT_TABLE(D, transport),
615 BIT_TABLE(D, uid),
616 BIT_TABLE(D, verify),
617};
618int debug_options_count = nelem(debug_options);
619
620unsigned int debug_selector = 0;
621BOOL debug_store = FALSE;
622int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
623uschar *delay_warning_condition=
624 US"${if or {"
625 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
626 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
627 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
628 "} {no}{yes}}";
629BOOL delivery_date_remove = TRUE;
630uschar *deliver_address_data = NULL;
631int deliver_datafile = -1;
632const uschar *deliver_domain = NULL;
633uschar *deliver_domain_data = NULL;
634const uschar *deliver_domain_orig = NULL;
635const uschar *deliver_domain_parent = NULL;
636BOOL deliver_drop_privilege = FALSE;
637BOOL deliver_firsttime = FALSE;
638BOOL deliver_force = FALSE;
639BOOL deliver_freeze = FALSE;
640time_t deliver_frozen_at = 0;
641uschar *deliver_home = NULL;
642const uschar *deliver_host = NULL;
643const uschar *deliver_host_address = NULL;
644int deliver_host_port = 0;
645uschar *deliver_in_buffer = NULL;
646ino_t deliver_inode = 0;
647uschar *deliver_localpart = NULL;
648uschar *deliver_localpart_data = NULL;
649uschar *deliver_localpart_orig = NULL;
650uschar *deliver_localpart_parent = NULL;
651uschar *deliver_localpart_prefix = NULL;
652uschar *deliver_localpart_suffix = NULL;
653BOOL deliver_force_thaw = FALSE;
654BOOL deliver_manual_thaw = FALSE;
655uschar *deliver_out_buffer = NULL;
656int deliver_queue_load_max = -1;
657address_item *deliver_recipients = NULL;
658uschar *deliver_selectstring = NULL;
659BOOL deliver_selectstring_regex = FALSE;
660uschar *deliver_selectstring_sender = NULL;
661BOOL deliver_selectstring_sender_regex = FALSE;
662BOOL disable_callout_flush = FALSE;
663BOOL disable_delay_flush = FALSE;
664#ifdef ENABLE_DISABLE_FSYNC
665BOOL disable_fsync = FALSE;
666#endif
667BOOL disable_ipv6 = FALSE;
668BOOL disable_logging = FALSE;
669
670#ifndef DISABLE_DKIM
671BOOL dkim_collect_input = FALSE;
672uschar *dkim_cur_signer = NULL;
673BOOL dkim_disable_verify = FALSE;
674int dkim_key_length = 0;
675uschar *dkim_signers = NULL;
676uschar *dkim_signing_domain = NULL;
677uschar *dkim_signing_selector = NULL;
678uschar *dkim_verify_overall = NULL;
679uschar *dkim_verify_signers = US"$dkim_signers";
680uschar *dkim_verify_status = NULL;
681uschar *dkim_verify_reason = NULL;
682#endif
683#ifdef EXPERIMENTAL_DMARC
684BOOL dmarc_has_been_checked = FALSE;
685uschar *dmarc_domain_policy = NULL;
686uschar *dmarc_forensic_sender = NULL;
687uschar *dmarc_history_file = NULL;
688uschar *dmarc_status = NULL;
689uschar *dmarc_status_text = NULL;
690uschar *dmarc_tld_file = NULL;
691uschar *dmarc_used_domain = NULL;
692BOOL dmarc_disable_verify = FALSE;
693BOOL dmarc_enable_forensic = FALSE;
694#endif
695
696uschar *dns_again_means_nonexist = NULL;
697int dns_csa_search_limit = 5;
698BOOL dns_csa_use_reverse = TRUE;
699#ifdef SUPPORT_DANE
700int dns_dane_ok = -1;
701#endif
702uschar *dns_ipv4_lookup = NULL;
703int dns_retrans = 0;
704int dns_retry = 0;
705int dns_dnssec_ok = -1; /* <0 = not coerced */
706uschar *dns_trust_aa = NULL;
707int dns_use_edns0 = -1; /* <0 = not coerced */
708uschar *dnslist_domain = NULL;
709uschar *dnslist_matched = NULL;
710uschar *dnslist_text = NULL;
711uschar *dnslist_value = NULL;
712tree_node *domainlist_anchor = NULL;
713int domainlist_count = 0;
714BOOL dont_deliver = FALSE;
715BOOL dot_ends = TRUE;
716BOOL drop_cr = FALSE; /* No longer used */
717uschar *dsn_from = US DEFAULT_DSN_FROM;
718
719BOOL enable_dollar_recipients = FALSE;
720BOOL envelope_to_remove = TRUE;
721int errno_quota = ERRNO_QUOTA;
722uschar *errors_copy = NULL;
723int error_handling = ERRORS_SENDER;
724uschar *errors_reply_to = NULL;
725int errors_sender_rc = EXIT_FAILURE;
726#ifndef DISABLE_EVENT
727uschar *event_action = NULL; /* expansion for delivery events */
728uschar *event_data = NULL; /* auxiliary data variable for event */
729int event_defer_errno = 0;
730const uschar *event_name = NULL; /* event name variable */
731#endif
732
733
734gid_t exim_gid = EXIM_GID;
735BOOL exim_gid_set = TRUE; /* This gid is always set */
736uschar *exim_path = US BIN_DIRECTORY "/exim"
737 "\0<---------------Space to patch exim_path->";
738uid_t exim_uid = EXIM_UID;
739BOOL exim_uid_set = TRUE; /* This uid is always set */
740int expand_level = 0; /* Nesting depth, indent for debug */
741int expand_forbid = 0;
742int expand_nlength[EXPAND_MAXN+1];
743int expand_nmax = -1;
744uschar *expand_nstring[EXPAND_MAXN+1];
745BOOL expand_string_forcedfail = FALSE;
746uschar *expand_string_message;
747BOOL extract_addresses_remove_arguments = TRUE;
748uschar *extra_local_interfaces = NULL;
749
750int fake_response = OK;
751uschar *fake_response_text = US"Your message has been rejected but is "
752 "being kept for evaluation.\nIf it was a "
753 "legitimate message, it may still be "
754 "delivered to the target recipient(s).";
755int filter_n[FILTER_VARIABLE_COUNT];
756BOOL filter_running = FALSE;
757int filter_sn[FILTER_VARIABLE_COUNT];
758int filter_test = FTEST_NONE;
759uschar *filter_test_sfile = NULL;
760uschar *filter_test_ufile = NULL;
761uschar *filter_thisaddress = NULL;
762int finduser_retries = 0;
763uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
764uschar *freeze_tell = NULL;
765uschar *freeze_tell_config = NULL;
766uschar *fudged_queue_times = US"";
767
768uschar *gecos_name = NULL;
769uschar *gecos_pattern = NULL;
770rewrite_rule *global_rewrite_rules = NULL;
771
772uschar *headers_charset = US HEADERS_CHARSET;
773int header_insert_maxlen = 64 * 1024;
774header_line *header_last = NULL;
775header_line *header_list = NULL;
776int header_maxsize = HEADER_MAXSIZE;
777int header_line_maxsize = 0;
778
779header_name header_names[] = {
780 /* name len allow_resent htype */
781 { US"bcc", 3, TRUE, htype_bcc },
782 { US"cc", 2, TRUE, htype_cc },
783 { US"date", 4, TRUE, htype_date },
784 { US"delivery-date", 13, FALSE, htype_delivery_date },
785 { US"envelope-to", 11, FALSE, htype_envelope_to },
786 { US"from", 4, TRUE, htype_from },
787 { US"message-id", 10, TRUE, htype_id },
788 { US"received", 8, FALSE, htype_received },
789 { US"reply-to", 8, FALSE, htype_reply_to },
790 { US"return-path", 11, FALSE, htype_return_path },
791 { US"sender", 6, TRUE, htype_sender },
792 { US"subject", 7, FALSE, htype_subject },
793 { US"to", 2, TRUE, htype_to }
794};
795
796int header_names_size = nelem(header_names);
797
798BOOL header_rewritten = FALSE;
799uschar *helo_accept_junk_hosts = NULL;
800uschar *helo_allow_chars = US"";
801uschar *helo_lookup_domains = US"@ : @[]";
802uschar *helo_try_verify_hosts = NULL;
803BOOL helo_verified = FALSE;
804BOOL helo_verify_failed = FALSE;
805uschar *helo_verify_hosts = NULL;
806const uschar *hex_digits = CUS"0123456789abcdef";
807uschar *hold_domains = NULL;
808BOOL host_checking = FALSE;
809BOOL host_checking_callout = FALSE;
810uschar *host_data = NULL;
811BOOL host_find_failed_syntax= FALSE;
812uschar *host_lookup = NULL;
813BOOL host_lookup_deferred = FALSE;
814BOOL host_lookup_failed = FALSE;
815uschar *host_lookup_order = US"bydns:byaddr";
816uschar *host_lookup_msg = US"";
817int host_number = 0;
818uschar *host_number_string = NULL;
819uschar *host_reject_connection = NULL;
820tree_node *hostlist_anchor = NULL;
821int hostlist_count = 0;
822uschar *hosts_treat_as_local = NULL;
823uschar *hosts_connection_nolog = NULL;
824
825int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
826BOOL ignore_fromline_local = FALSE;
827uschar *ignore_fromline_hosts = NULL;
828BOOL inetd_wait_mode = FALSE;
829int inetd_wait_timeout = -1;
830uschar *initial_cwd = NULL;
831uschar *interface_address = NULL;
832int interface_port = -1;
833BOOL is_inetd = FALSE;
834uschar *iterate_item = NULL;
835
836int journal_fd = -1;
837
838uschar *keep_environment = NULL;
839
840int keep_malformed = 4*24*60*60; /* 4 days */
841
842uschar *eldap_dn = NULL;
843int load_average = -2;
844BOOL local_error_message = FALSE;
845BOOL local_from_check = TRUE;
846uschar *local_from_prefix = NULL;
847uschar *local_from_suffix = NULL;
848
849#if HAVE_IPV6
850uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
851#else
852uschar *local_interfaces = US"0.0.0.0";
853#endif
854
855uschar *local_scan_data = NULL;
856int local_scan_timeout = 5*60;
857BOOL local_sender_retain = FALSE;
858gid_t local_user_gid = (gid_t)(-1);
859uid_t local_user_uid = (uid_t)(-1);
860
861tree_node *localpartlist_anchor= NULL;
862int localpartlist_count = 0;
863uschar *log_buffer = NULL;
864
865int log_default[] = { /* for initializing log_selector */
866 Li_acl_warn_skipped,
867 Li_connection_reject,
868 Li_delay_delivery,
869 Li_dkim,
870 Li_dnslist_defer,
871 Li_etrn,
872 Li_host_lookup_failed,
873 Li_lost_incoming_connection,
874 Li_outgoing_interface, /* see d_log_interface in deliver.c */
875 Li_queue_run,
876 Li_rejected_header,
877 Li_retry_defer,
878 Li_sender_verify_fail,
879 Li_size_reject,
880 Li_skip_delivery,
881 Li_smtp_confirmation,
882 Li_tls_certificate_verified,
883 Li_tls_cipher,
884 -1
885};
886
887uschar *log_file_path = US LOG_FILE_PATH
888 "\0<--------------Space to patch log_file_path->";
889
890int log_notall[] = {
891 -1
892};
893bit_table log_options[] = { /* must be in alphabetical order */
894 BIT_TABLE(L, 8bitmime),
895 BIT_TABLE(L, acl_warn_skipped),
896 BIT_TABLE(L, address_rewrite),
897 BIT_TABLE(L, all),
898 BIT_TABLE(L, all_parents),
899 BIT_TABLE(L, arguments),
900 BIT_TABLE(L, connection_reject),
901 BIT_TABLE(L, delay_delivery),
902 BIT_TABLE(L, deliver_time),
903 BIT_TABLE(L, delivery_size),
904#ifndef DISABLE_DKIM
905 BIT_TABLE(L, dkim),
906 BIT_TABLE(L, dkim_verbose),
907#endif
908 BIT_TABLE(L, dnslist_defer),
909 BIT_TABLE(L, dnssec),
910 BIT_TABLE(L, etrn),
911 BIT_TABLE(L, host_lookup_failed),
912 BIT_TABLE(L, ident_timeout),
913 BIT_TABLE(L, incoming_interface),
914 BIT_TABLE(L, incoming_port),
915 BIT_TABLE(L, lost_incoming_connection),
916 BIT_TABLE(L, millisec),
917 BIT_TABLE(L, outgoing_interface),
918 BIT_TABLE(L, outgoing_port),
919 BIT_TABLE(L, pid),
920#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
921 BIT_TABLE(L, proxy),
922#endif
923 BIT_TABLE(L, queue_run),
924 BIT_TABLE(L, queue_time),
925 BIT_TABLE(L, queue_time_overall),
926 BIT_TABLE(L, receive_time),
927 BIT_TABLE(L, received_recipients),
928 BIT_TABLE(L, received_sender),
929 BIT_TABLE(L, rejected_header),
930 { US"rejected_headers", Li_rejected_header },
931 BIT_TABLE(L, retry_defer),
932 BIT_TABLE(L, return_path_on_delivery),
933 BIT_TABLE(L, sender_on_delivery),
934 BIT_TABLE(L, sender_verify_fail),
935 BIT_TABLE(L, size_reject),
936 BIT_TABLE(L, skip_delivery),
937 BIT_TABLE(L, smtp_confirmation),
938 BIT_TABLE(L, smtp_connection),
939 BIT_TABLE(L, smtp_incomplete_transaction),
940 BIT_TABLE(L, smtp_mailauth),
941 BIT_TABLE(L, smtp_no_mail),
942 BIT_TABLE(L, smtp_protocol_error),
943 BIT_TABLE(L, smtp_syntax_error),
944 BIT_TABLE(L, subject),
945 BIT_TABLE(L, tls_certificate_verified),
946 BIT_TABLE(L, tls_cipher),
947 BIT_TABLE(L, tls_peerdn),
948 BIT_TABLE(L, tls_sni),
949 BIT_TABLE(L, unknown_in_list),
950};
951int log_options_count = nelem(log_options);
952
953int log_reject_target = 0;
954unsigned int log_selector[log_selector_size]; /* initialized in main() */
955uschar *log_selector_string = NULL;
956FILE *log_stderr = NULL;
957BOOL log_testing_mode = FALSE;
958BOOL log_timezone = FALSE;
959uschar *login_sender_address = NULL;
960uschar *lookup_dnssec_authenticated = NULL;
961int lookup_open_max = 25;
962uschar *lookup_value = NULL;
963
964macro_item *macros_user = NULL;
965uschar *mailstore_basename = NULL;
966#ifdef WITH_CONTENT_SCAN
967uschar *malware_name = NULL; /* Virus Name */
968#endif
969int max_received_linelength= 0;
970int max_username_length = 0;
971int message_age = 0;
972uschar *message_body = NULL;
973uschar *message_body_end = NULL;
974BOOL message_body_newlines = FALSE;
975int message_body_size = 0;
976int message_body_visible = 500;
977int message_ended = END_NOTSTARTED;
978uschar *message_headers = NULL;
979uschar *message_id;
980uschar *message_id_domain = NULL;
981uschar *message_id_text = NULL;
982struct timeval message_id_tv = { 0, 0 };
983uschar message_id_option[MESSAGE_ID_LENGTH + 3];
984uschar *message_id_external;
985int message_linecount = 0;
986BOOL message_logs = TRUE;
987int message_size = 0;
988uschar *message_size_limit = US"50M";
989#ifdef SUPPORT_I18N
990BOOL message_smtputf8 = FALSE;
991int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
992#endif
993uschar message_subdir[2] = { 0, 0 };
994uschar *message_reference = NULL;
995
996/* MIME ACL expandables */
997#ifdef WITH_CONTENT_SCAN
998int mime_anomaly_level = 0;
999const uschar *mime_anomaly_text = NULL;
1000uschar *mime_boundary = NULL;
1001uschar *mime_charset = NULL;
1002uschar *mime_content_description = NULL;
1003uschar *mime_content_disposition = NULL;
1004uschar *mime_content_id = NULL;
1005unsigned int mime_content_size = 0;
1006uschar *mime_content_transfer_encoding = NULL;
1007uschar *mime_content_type = NULL;
1008uschar *mime_decoded_filename = NULL;
1009uschar *mime_filename = NULL;
1010int mime_is_multipart = 0;
1011int mime_is_coverletter = 0;
1012int mime_is_rfc822 = 0;
1013int mime_part_count = -1;
1014#endif
1015
1016BOOL mua_wrapper = FALSE;
1017
1018uid_t *never_users = NULL;
1019#ifdef WITH_CONTENT_SCAN
1020BOOL no_mbox_unspool = FALSE;
1021#endif
1022BOOL no_multiline_responses = FALSE;
1023
1024const int on = 1; /* for setsockopt */
1025const int off = 0;
1026
1027uid_t original_euid;
1028gid_t originator_gid;
1029uschar *originator_login = NULL;
1030uschar *originator_name = NULL;
1031uid_t originator_uid;
1032uschar *override_local_interfaces = NULL;
1033uschar *override_pid_file_path = NULL;
1034
1035BOOL parse_allow_group = FALSE;
1036BOOL parse_found_group = FALSE;
1037uschar *percent_hack_domains = NULL;
1038uschar *pid_file_path = US PID_FILE_PATH
1039 "\0<--------------Space to patch pid_file_path->";
1040BOOL pipelining_enable = TRUE;
1041uschar *pipelining_advertise_hosts = US"*";
1042BOOL preserve_message_logs = FALSE;
1043uschar *primary_hostname = NULL;
1044BOOL print_topbitchars = FALSE;
1045uschar process_info[PROCESS_INFO_SIZE];
1046int process_info_len = 0;
1047uschar *process_log_path = NULL;
1048BOOL prod_requires_admin = TRUE;
1049
1050#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1051uschar *hosts_proxy = US"";
1052uschar *proxy_external_address = US"";
1053int proxy_external_port = 0;
1054uschar *proxy_local_address = US"";
1055int proxy_local_port = 0;
1056BOOL proxy_session = FALSE;
1057BOOL proxy_session_failed = FALSE;
1058#endif
1059
1060uschar *prvscheck_address = NULL;
1061uschar *prvscheck_keynum = NULL;
1062uschar *prvscheck_result = NULL;
1063
1064
1065const uschar *qualify_domain_recipient = NULL;
1066uschar *qualify_domain_sender = NULL;
1067BOOL queue_2stage = FALSE;
1068uschar *queue_domains = NULL;
1069int queue_interval = -1;
1070BOOL queue_list_requires_admin = TRUE;
1071uschar *queue_name = US"";
1072BOOL queue_only = FALSE;
1073uschar *queue_only_file = NULL;
1074int queue_only_load = -1;
1075BOOL queue_only_load_latch = TRUE;
1076BOOL queue_only_override = TRUE;
1077BOOL queue_only_policy = FALSE;
1078BOOL queue_run_first_delivery = FALSE;
1079BOOL queue_run_force = FALSE;
1080BOOL queue_run_in_order = FALSE;
1081BOOL queue_run_local = FALSE;
1082uschar *queue_run_max = US"5";
1083pid_t queue_run_pid = (pid_t)0;
1084int queue_run_pipe = -1;
1085BOOL queue_running = FALSE;
1086BOOL queue_smtp = FALSE;
1087uschar *queue_smtp_domains = NULL;
1088
1089unsigned int random_seed = 0;
1090tree_node *ratelimiters_cmd = NULL;
1091tree_node *ratelimiters_conn = NULL;
1092tree_node *ratelimiters_mail = NULL;
1093uschar *raw_active_hostname = NULL;
1094uschar *raw_sender = NULL;
1095uschar **raw_recipients = NULL;
1096int raw_recipients_count = 0;
1097
1098int rcpt_count = 0;
1099int rcpt_fail_count = 0;
1100int rcpt_defer_count = 0;
1101gid_t real_gid;
1102uid_t real_uid;
1103BOOL really_exim = TRUE;
1104BOOL receive_call_bombout = FALSE;
1105int receive_linecount = 0;
1106int receive_messagecount = 0;
1107int receive_timeout = 0;
1108int received_count = 0;
1109uschar *received_for = NULL;
1110
1111/* This is the default text for Received headers generated by Exim. The
1112date will be automatically added on the end. */
1113
1114uschar *received_header_text = US
1115 "Received: "
1116 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1117 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1118 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1119 "by $primary_hostname "
1120 "${if def:received_protocol {with $received_protocol}} "
1121 #ifdef SUPPORT_TLS
1122 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1123 #endif
1124 "(Exim $version_number)\n\t"
1125 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1126 "id $message_exim_id"
1127 "${if def:received_for {\n\tfor $received_for}}"
1128 "\0<---------------Space to patch received_header_text->";
1129
1130int received_headers_max = 30;
1131uschar *received_protocol = NULL;
1132struct timeval received_time = { 0, 0 };
1133struct timeval received_time_taken = { 0, 0 };
1134uschar *recipient_data = NULL;
1135uschar *recipient_unqualified_hosts = NULL;
1136uschar *recipient_verify_failure = NULL;
1137int recipients_count = 0;
1138BOOL recipients_discarded = FALSE;
1139recipient_item *recipients_list = NULL;
1140int recipients_list_max = 0;
1141int recipients_max = 0;
1142BOOL recipients_max_reject = FALSE;
1143const pcre *regex_AUTH = NULL;
1144const pcre *regex_check_dns_names = NULL;
1145const pcre *regex_From = NULL;
1146const pcre *regex_IGNOREQUOTA = NULL;
1147const pcre *regex_PIPELINING = NULL;
1148const pcre *regex_SIZE = NULL;
1149const pcre *regex_ismsgid = NULL;
1150const pcre *regex_smtp_code = NULL;
1151uschar *regex_vars[REGEX_VARS];
1152#ifdef WHITELIST_D_MACROS
1153const pcre *regex_whitelisted_macro = NULL;
1154#endif
1155#ifdef WITH_CONTENT_SCAN
1156uschar *regex_match_string = NULL;
1157#endif
1158int remote_delivery_count = 0;
1159int remote_max_parallel = 2;
1160uschar *remote_sort_domains = NULL;
1161int retry_data_expire = 7*24*60*60;
1162int retry_interval_max = 24*60*60;
1163int retry_maximum_timeout = 0; /* set from retry config */
1164retry_config *retries = NULL;
1165uschar *return_path = NULL;
1166BOOL return_path_remove = TRUE;
1167int rewrite_existflags = 0;
1168uschar *rfc1413_hosts = US"@[]";
1169int rfc1413_query_timeout = 0;
1170/* BOOL rfc821_domains = FALSE; <<< on the way out */
1171uid_t root_gid = ROOT_GID;
1172uid_t root_uid = ROOT_UID;
1173
1174router_instance *routers = NULL;
1175router_instance router_defaults = {
1176 .next = NULL,
1177 .name = NULL,
1178 .info = NULL,
1179 .options_block = NULL,
1180 .driver_name = NULL,
1181
1182 .address_data = NULL,
1183#ifdef EXPERIMENTAL_BRIGHTMAIL
1184 .bmi_rule = NULL,
1185#endif
1186 .cannot_route_message = NULL,
1187 .condition = NULL,
1188 .current_directory = NULL,
1189 .debug_string = NULL,
1190 .domains = NULL,
1191 .errors_to = NULL,
1192 .expand_gid = NULL,
1193 .expand_uid = NULL,
1194 .expand_more = NULL,
1195 .expand_unseen = NULL,
1196 .extra_headers = NULL,
1197 .fallback_hosts = NULL,
1198 .home_directory = NULL,
1199 .ignore_target_hosts = NULL,
1200 .local_parts = NULL,
1201 .pass_router_name = NULL,
1202 .prefix = NULL,
1203 .redirect_router_name = NULL,
1204 .remove_headers = NULL,
1205 .require_files = NULL,
1206 .router_home_directory = NULL,
1207 .self = US"freeze",
1208 .senders = NULL,
1209 .suffix = NULL,
1210 .translate_ip_address = NULL,
1211 .transport_name = NULL,
1212
1213 .address_test = TRUE,
1214#ifdef EXPERIMENTAL_BRIGHTMAIL
1215 .bmi_deliver_alternate = FALSE,
1216 .bmi_deliver_default = FALSE,
1217 .bmi_dont_deliver = FALSE,
1218#endif
1219 .expn = TRUE,
1220 .caseful_local_part = FALSE,
1221 .check_local_user = FALSE,
1222 .disable_logging = FALSE,
1223 .fail_verify_recipient = FALSE,
1224 .fail_verify_sender = FALSE,
1225 .gid_set = FALSE,
1226 .initgroups = FALSE,
1227 .log_as_local = TRUE_UNSET,
1228 .more = TRUE,
1229 .pass_on_timeout = FALSE,
1230 .prefix_optional = FALSE,
1231 .repeat_use = TRUE,
1232 .retry_use_local_part = TRUE_UNSET,
1233 .same_domain_copy_routing = FALSE,
1234 .self_rewrite = FALSE,
1235 .suffix_optional = FALSE,
1236 .verify_only = FALSE,
1237 .verify_recipient = TRUE,
1238 .verify_sender = TRUE,
1239 .uid_set = FALSE,
1240 .unseen = FALSE,
1241 .dsn_lasthop = FALSE,
1242
1243 .self_code = self_freeze,
1244 .uid = (uid_t)(-1),
1245 .gid = (gid_t)(-1),
1246
1247 .fallback_hostlist = NULL,
1248 .transport = NULL,
1249 .pass_router = NULL,
1250 .redirect_router = NULL,
1251
1252 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1253};
1254
1255uschar *router_name = NULL;
1256
1257ip_address_item *running_interfaces = NULL;
1258BOOL running_in_test_harness = FALSE;
1259
1260/* This is a weird one. The following string gets patched in the binary by the
1261script that sets up a copy of Exim for running in the test harness. It seems
1262that compilers are now clever, and share constant strings if they can.
1263Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1264make use of the end of this string in order to save space. So the patching then
1265wrecks this. We defeat this optimization by adding some additional characters
1266onto the end of the string. */
1267
1268uschar *running_status = US">>>running<<<" "\0EXTRA";
1269
1270int runrc = 0;
1271
1272uschar *search_error_message = NULL;
1273BOOL search_find_defer = FALSE;
1274uschar *self_hostname = NULL;
1275uschar *sender_address = NULL;
1276unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1277uschar *sender_address_data = NULL;
1278BOOL sender_address_forced = FALSE;
1279uschar *sender_address_unrewritten = NULL;
1280uschar *sender_data = NULL;
1281unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1282uschar *sender_fullhost = NULL;
1283BOOL sender_helo_dnssec = FALSE;
1284uschar *sender_helo_name = NULL;
1285uschar **sender_host_aliases = &no_aliases;
1286uschar *sender_host_address = NULL;
1287uschar *sender_host_authenticated = NULL;
1288uschar *sender_host_auth_pubname = NULL;
1289unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1290BOOL sender_host_dnssec = FALSE;
1291uschar *sender_host_name = NULL;
1292int sender_host_port = 0;
1293BOOL sender_host_notsocket = FALSE;
1294BOOL sender_host_unknown = FALSE;
1295uschar *sender_ident = NULL;
1296BOOL sender_local = FALSE;
1297BOOL sender_name_forced = FALSE;
1298uschar *sender_rate = NULL;
1299uschar *sender_rate_limit = NULL;
1300uschar *sender_rate_period = NULL;
1301uschar *sender_rcvhost = NULL;
1302BOOL sender_set_untrusted = FALSE;
1303uschar *sender_unqualified_hosts = NULL;
1304uschar *sender_verify_failure = NULL;
1305address_item *sender_verified_list = NULL;
1306address_item *sender_verified_failed = NULL;
1307int sender_verified_rc = -1;
1308BOOL sender_verified_responded = FALSE;
1309uschar *sending_ip_address = NULL;
1310int sending_port = -1;
1311SIGNAL_BOOL sigalrm_seen = FALSE;
1312uschar **sighup_argv = NULL;
1313int slow_lookup_log = 0; /* millisecs, zero disables */
1314int smtp_accept_count = 0;
1315BOOL smtp_accept_keepalive = TRUE;
1316int smtp_accept_max = 20;
1317int smtp_accept_max_nonmail= 10;
1318uschar *smtp_accept_max_nonmail_hosts = US"*";
1319int smtp_accept_max_per_connection = 1000;
1320uschar *smtp_accept_max_per_host = NULL;
1321int smtp_accept_queue = 0;
1322int smtp_accept_queue_per_connection = 10;
1323int smtp_accept_reserve = 0;
1324uschar *smtp_active_hostname = NULL;
1325BOOL smtp_authenticated = FALSE;
1326uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1327 "Exim $version_number $tod_full"
1328 "\0<---------------Space to patch smtp_banner->";
1329BOOL smtp_batched_input = FALSE;
1330BOOL smtp_check_spool_space = TRUE;
1331int smtp_ch_index = 0;
1332uschar *smtp_cmd_argument = NULL;
1333uschar *smtp_cmd_buffer = NULL;
1334struct timeval smtp_connection_start = {0,0};
1335uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1336int smtp_connect_backlog = 20;
1337double smtp_delay_mail = 0.0;
1338double smtp_delay_rcpt = 0.0;
1339BOOL smtp_enforce_sync = TRUE;
1340FILE *smtp_in = NULL;
1341BOOL smtp_input = FALSE;
1342int smtp_load_reserve = -1;
1343int smtp_mailcmd_count = 0;
1344FILE *smtp_out = NULL;
1345uschar *smtp_etrn_command = NULL;
1346BOOL smtp_etrn_serialize = TRUE;
1347int smtp_max_synprot_errors= 3;
1348int smtp_max_unknown_commands = 3;
1349uschar *smtp_notquit_reason = NULL;
1350uschar *smtp_ratelimit_hosts = NULL;
1351uschar *smtp_ratelimit_mail = NULL;
1352uschar *smtp_ratelimit_rcpt = NULL;
1353uschar *smtp_read_error = US"";
1354int smtp_receive_timeout = 5*60;
1355uschar *smtp_receive_timeout_s = NULL;
1356uschar *smtp_reserve_hosts = NULL;
1357BOOL smtp_return_error_details = FALSE;
1358int smtp_rlm_base = 0;
1359double smtp_rlm_factor = 0.0;
1360int smtp_rlm_limit = 0;
1361int smtp_rlm_threshold = INT_MAX;
1362int smtp_rlr_base = 0;
1363double smtp_rlr_factor = 0.0;
1364int smtp_rlr_limit = 0;
1365int smtp_rlr_threshold = INT_MAX;
1366unsigned smtp_peer_options = 0;
1367unsigned smtp_peer_options_wrap= 0;
1368#ifdef SUPPORT_I18N
1369uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1370#endif
1371
1372#ifdef WITH_CONTENT_SCAN
1373uschar *spamd_address = US"127.0.0.1 783";
1374uschar *spam_bar = NULL;
1375uschar *spam_report = NULL;
1376uschar *spam_action = NULL;
1377uschar *spam_score = NULL;
1378uschar *spam_score_int = NULL;
1379#endif
1380#ifdef SUPPORT_SPF
1381uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1382uschar *spf_header_comment = NULL;
1383uschar *spf_received = NULL;
1384uschar *spf_result = NULL;
1385uschar *spf_smtp_comment = NULL;
1386#endif
1387
1388BOOL split_spool_directory = FALSE;
1389uschar *spool_directory = US SPOOL_DIRECTORY
1390 "\0<--------------Space to patch spool_directory->";
1391BOOL spool_file_wireformat = FALSE;
1392BOOL spool_wireformat = FALSE;
1393#ifdef EXPERIMENTAL_SRS
1394uschar *srs_config = NULL;
1395uschar *srs_db_address = NULL;
1396uschar *srs_db_key = NULL;
1397int srs_hashlength = 6;
1398int srs_hashmin = -1;
1399int srs_maxage = 31;
1400uschar *srs_orig_recipient = NULL;
1401uschar *srs_orig_sender = NULL;
1402uschar *srs_recipient = NULL;
1403uschar *srs_secrets = NULL;
1404uschar *srs_status = NULL;
1405BOOL srs_usehash = TRUE;
1406BOOL srs_usetimestamp = TRUE;
1407#endif
1408BOOL strict_acl_vars = FALSE;
1409int string_datestamp_offset= -1;
1410int string_datestamp_length= 0;
1411int string_datestamp_type = -1;
1412BOOL strip_excess_angle_brackets = FALSE;
1413BOOL strip_trailing_dot = FALSE;
1414uschar *submission_domain = NULL;
1415BOOL submission_mode = FALSE;
1416uschar *submission_name = NULL;
1417BOOL suppress_local_fixups = FALSE;
1418BOOL suppress_local_fixups_default = FALSE;
1419BOOL synchronous_delivery = FALSE;
1420BOOL syslog_duplication = TRUE;
1421int syslog_facility = LOG_MAIL;
1422BOOL syslog_pid = TRUE;
1423uschar *syslog_processname = US"exim";
1424BOOL syslog_timestamp = TRUE;
1425uschar *system_filter = NULL;
1426
1427uschar *system_filter_directory_transport = NULL;
1428uschar *system_filter_file_transport = NULL;
1429uschar *system_filter_pipe_transport = NULL;
1430uschar *system_filter_reply_transport = NULL;
1431
1432gid_t system_filter_gid = 0;
1433BOOL system_filter_gid_set = FALSE;
1434uid_t system_filter_uid = (uid_t)-1;
1435BOOL system_filter_uid_set = FALSE;
1436BOOL system_filtering = FALSE;
1437
1438BOOL tcp_fastopen_ok = FALSE;
1439blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1440BOOL tcp_in_fastopen = FALSE;
1441BOOL tcp_in_fastopen_logged = FALSE;
1442BOOL tcp_nodelay = TRUE;
1443int tcp_out_fastopen = 0;
1444BOOL tcp_out_fastopen_logged= FALSE;
1445#ifdef USE_TCP_WRAPPERS
1446uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1447#endif
1448int test_harness_load_avg = 0;
1449int thismessage_size_limit = 0;
1450int timeout_frozen_after = 0;
1451BOOL timestamps_utc = FALSE;
1452
1453transport_instance *transports = NULL;
1454
1455transport_instance transport_defaults = {
1456 .next = NULL,
1457 .name = NULL,
1458 .info = NULL,
1459 .options_block = NULL,
1460 .driver_name = NULL,
1461 .setup = NULL,
1462 .batch_max = 1,
1463 .batch_id = NULL,
1464 .home_dir = NULL,
1465 .current_dir = NULL,
1466 .expand_multi_domain = NULL,
1467 .multi_domain = TRUE,
1468 .overrides_hosts = FALSE,
1469 .max_addresses = 100,
1470 .connection_max_messages = 500,
1471 .deliver_as_creator = FALSE,
1472 .disable_logging = FALSE,
1473 .initgroups = FALSE,
1474 .uid_set = FALSE,
1475 .gid_set = FALSE,
1476 .uid = (uid_t)(-1),
1477 .gid = (gid_t)(-1),
1478 .expand_uid = NULL,
1479 .expand_gid = NULL,
1480 .warn_message = NULL,
1481 .shadow = NULL,
1482 .shadow_condition = NULL,
1483 .filter_command = NULL,
1484 .add_headers = NULL,
1485 .remove_headers = NULL,
1486 .return_path = NULL,
1487 .debug_string = NULL,
1488 .max_parallel = NULL,
1489 .message_size_limit = NULL,
1490 .headers_rewrite = NULL,
1491 .rewrite_rules = NULL,
1492 .rewrite_existflags = 0,
1493 .filter_timeout = 300,
1494 .body_only = FALSE,
1495 .delivery_date_add = FALSE,
1496 .envelope_to_add = FALSE,
1497 .headers_only = FALSE,
1498 .rcpt_include_affixes = FALSE,
1499 .return_path_add = FALSE,
1500 .return_output = FALSE,
1501 .return_fail_output = FALSE,
1502 .log_output = FALSE,
1503 .log_fail_output = FALSE,
1504 .log_defer_output = FALSE,
1505 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1506 1 nor 0 so can detect unset */
1507#ifndef DISABLE_EVENT
1508 .event_action = NULL
1509#endif
1510};
1511
1512int transport_count;
1513uschar *transport_name = NULL;
1514int transport_newlines;
1515const uschar **transport_filter_argv = NULL;
1516int transport_filter_timeout;
1517BOOL transport_filter_timed_out = FALSE;
1518int transport_write_timeout= 0;
1519
1520tree_node *tree_dns_fails = NULL;
1521tree_node *tree_duplicates = NULL;
1522tree_node *tree_nonrecipients = NULL;
1523tree_node *tree_unusable = NULL;
1524
1525BOOL trusted_caller = FALSE;
1526BOOL trusted_config = TRUE;
1527gid_t *trusted_groups = NULL;
1528uid_t *trusted_users = NULL;
1529uschar *timezone_string = US TIMEZONE_DEFAULT;
1530
1531uschar *unknown_login = NULL;
1532uschar *unknown_username = NULL;
1533uschar *untrusted_set_sender = NULL;
1534
1535/* A regex for matching a "From_" line in an incoming message, in the form
1536
1537 From ph10 Fri Jan 5 12:35 GMT 1996
1538
1539which the "mail" commands send to the MTA (undocumented, of course), or in
1540the form
1541
1542 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1543
1544which is apparently used by some UUCPs, despite it not being in RFC 976.
1545Because of variations in time formats, just match up to the minutes. That
1546should be sufficient. Examples have been seen of time fields like 12:1:03,
1547so just require one digit for hours and minutes. The weekday is also absent
1548in some forms. */
1549
1550uschar *uucp_from_pattern = US
1551 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1552 "(?:" /* Non-extracting bracket */
1553 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1554 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1555 ")" /* End alternation */
1556 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1557
1558uschar *uucp_from_sender = US"$1";
1559
1560uschar *verify_mode = NULL;
1561uschar *version_copyright =
1562 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1563 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1564uschar *version_date = US"?";
1565uschar *version_cnumber = US"????";
1566uschar *version_string = US"?";
1567
1568uschar *warn_message_file = NULL;
1569int warning_count = 0;
1570uschar *warnmsg_delay = NULL;
1571uschar *warnmsg_recipients = NULL;
1572BOOL write_rejectlog = TRUE;
1573
1574
1575/* End of globals.c */
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