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ARC: add $arc_state, $arc_state_reason and add reason to authres string
[exim.git] / src / src / globals.c
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
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist 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
38 int optionlist_auths_size = nelem(optionlist_auths);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 BOOL opt_perl_taintmode = FALSE;
53 #endif
54
55 #ifdef EXPAND_DLFUNC
56 tree_node *dlobj_anchor = NULL;
57 #endif
58
59 #ifdef LOOKUP_IBASE
60 uschar *ibase_servers = NULL;
61 #endif
62
63 #ifdef LOOKUP_LDAP
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
73 #endif
74
75 #ifdef LOOKUP_MYSQL
76 uschar *mysql_servers = NULL;
77 #endif
78
79 #ifdef LOOKUP_ORACLE
80 uschar *oracle_servers = NULL;
81 #endif
82
83 #ifdef LOOKUP_PGSQL
84 uschar *pgsql_servers = NULL;
85 #endif
86
87 #ifdef LOOKUP_REDIS
88 uschar *redis_servers = NULL;
89 #endif
90
91 #ifdef LOOKUP_SQLITE
92 int sqlite_lock_timeout = 5;
93 #endif
94
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
97 #endif
98
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. */
102
103 tls_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 };
120 tls_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
138 uschar *dsn_envid = NULL;
139 int dsn_ret = 0;
140 const pcre *regex_DSN = NULL;
141 uschar *dsn_advertise_hosts = NULL;
142
143 #ifdef SUPPORT_TLS
144 BOOL gnutls_compat_mode = FALSE;
145 BOOL gnutls_allow_auto_pkcs11 = FALSE;
146 uschar *openssl_options = NULL;
147 const pcre *regex_STARTTLS = NULL;
148 uschar *tls_advertise_hosts = US"*";
149 uschar *tls_certificate = NULL;
150 uschar *tls_crl = NULL;
151 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152 that's the interop problem which has been observed: GnuTLS suggesting a higher
153 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154 int tls_dh_max_bits = 2236;
155 uschar *tls_dhparam = NULL;
156 uschar *tls_eccurve = US"auto";
157 # ifndef DISABLE_OCSP
158 uschar *tls_ocsp_file = NULL;
159 # endif
160 uschar *tls_privatekey = NULL;
161 BOOL tls_remember_esmtp = FALSE;
162 uschar *tls_require_ciphers = NULL;
163 uschar *tls_try_verify_hosts = NULL;
164 uschar *tls_verify_certificates= US"system";
165 uschar *tls_verify_hosts = NULL;
166 #else /*!SUPPORT_TLS*/
167 uschar *tls_advertise_hosts = NULL;
168 #endif
169
170 #ifndef DISABLE_PRDR
171 /* Per Recipient Data Response variables */
172 BOOL prdr_enable = FALSE;
173 BOOL prdr_requested = FALSE;
174 const pcre *regex_PRDR = NULL;
175 #endif
176
177 #ifdef SUPPORT_I18N
178 const pcre *regex_UTF8 = NULL;
179 #endif
180
181 /* Input-reading functions for messages, so we can use special ones for
182 incoming TCP/IP. The defaults use stdin. We never need these for any
183 stand-alone tests. */
184
185 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
186 int (*lwr_receive_getc)(unsigned) = stdin_getc;
187 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189 int (*receive_getc)(unsigned) = stdin_getc;
190 uschar * (*receive_getbuf)(unsigned *) = NULL;
191 void (*receive_get_cache)(void)= NULL;
192 int (*receive_ungetc)(int) = stdin_ungetc;
193 int (*receive_feof)(void) = stdin_feof;
194 int (*receive_ferror)(void) = stdin_ferror;
195 BOOL (*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
200 when verifying one address while routing/verifying another. We have to have
201 the size explicit, because it is referenced from more than one module. */
202
203 const 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
223 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225 /* General global variables */
226
227 header_line *acl_added_headers = NULL;
228 tree_node *acl_anchor = NULL;
229 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231 int acl_narg = 0;
232
233 int acl_level = 0;
234
235 uschar *acl_not_smtp = NULL;
236 #ifdef WITH_CONTENT_SCAN
237 uschar *acl_not_smtp_mime = NULL;
238 #endif
239 uschar *acl_not_smtp_start = NULL;
240 uschar *acl_removed_headers = NULL;
241 uschar *acl_smtp_auth = NULL;
242 uschar *acl_smtp_connect = NULL;
243 uschar *acl_smtp_data = NULL;
244 #ifndef DISABLE_PRDR
245 uschar *acl_smtp_data_prdr = US"accept";
246 #endif
247 #ifndef DISABLE_DKIM
248 uschar *acl_smtp_dkim = NULL;
249 #endif
250 uschar *acl_smtp_etrn = NULL;
251 uschar *acl_smtp_expn = NULL;
252 uschar *acl_smtp_helo = NULL;
253 uschar *acl_smtp_mail = NULL;
254 uschar *acl_smtp_mailauth = NULL;
255 #ifdef WITH_CONTENT_SCAN
256 uschar *acl_smtp_mime = NULL;
257 #endif
258 uschar *acl_smtp_notquit = NULL;
259 uschar *acl_smtp_predata = NULL;
260 uschar *acl_smtp_quit = NULL;
261 uschar *acl_smtp_rcpt = NULL;
262 uschar *acl_smtp_starttls = NULL;
263 uschar *acl_smtp_vrfy = NULL;
264
265 BOOL acl_temp_details = FALSE;
266 tree_node *acl_var_c = NULL;
267 tree_node *acl_var_m = NULL;
268 uschar *acl_verify_message = NULL;
269 string_item *acl_warn_logged = NULL;
270
271 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274 uschar *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
299 uschar *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
324 BOOL active_local_from_check = FALSE;
325 BOOL active_local_sender_retain = FALSE;
326 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327 uschar *add_environment = NULL;
328 address_item *addr_duplicate = NULL;
329
330 address_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
411 uschar *address_file = NULL;
412 uschar *address_pipe = NULL;
413 BOOL address_test_mode = FALSE;
414 tree_node *addresslist_anchor = NULL;
415 int addresslist_count = 0;
416 gid_t *admin_groups = NULL;
417 BOOL admin_user = FALSE;
418 BOOL allow_auth_unadvertised= FALSE;
419 BOOL allow_domain_literals = FALSE;
420 BOOL allow_mx_to_ip = FALSE;
421 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
422 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
423 BOOL allow_utf8_domains = FALSE;
424
425 #ifdef EXPERIMENTAL_ARC
426 struct arc_set *arc_received = NULL;
427 int arc_received_instance = 0;
428 int arc_oldest_pass = 0;
429 const uschar *arc_state = NULL;
430 const uschar *arc_state_reason = NULL;
431 #endif
432
433 uschar *authenticated_fail_id = NULL;
434 uschar *authenticated_id = NULL;
435 uschar *authenticated_sender = NULL;
436 BOOL authentication_failed = FALSE;
437 auth_instance *auths = NULL;
438 uschar *auth_advertise_hosts = US"*";
439 auth_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
458 uschar *auth_defer_msg = US"reason not recorded";
459 uschar *auth_defer_user_msg = US"";
460 uschar *auth_vars[AUTH_VARS];
461 int auto_thaw = 0;
462 #ifdef WITH_CONTENT_SCAN
463 BOOL av_failed = FALSE;
464 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
465 #endif
466
467 BOOL background_daemon = TRUE;
468
469 #if BASE_62 == 62
470 uschar *base62_chars=
471 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
472 #else
473 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
474 #endif
475
476 uschar *bi_command = NULL;
477 uschar *big_buffer = NULL;
478 int big_buffer_size = BIG_BUFFER_SIZE;
479 #ifdef EXPERIMENTAL_BRIGHTMAIL
480 uschar *bmi_alt_location = NULL;
481 uschar *bmi_base64_tracker_verdict = NULL;
482 uschar *bmi_base64_verdict = NULL;
483 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
484 int bmi_deliver = 1;
485 int bmi_run = 0;
486 uschar *bmi_verdicts = NULL;
487 #endif
488 int bsmtp_transaction_linecount = 0;
489 int body_8bitmime = 0;
490 int body_linecount = 0;
491 int body_zerocount = 0;
492 uschar *bounce_message_file = NULL;
493 uschar *bounce_message_text = NULL;
494 uschar *bounce_recipient = NULL;
495 BOOL bounce_return_body = TRUE;
496 int bounce_return_linesize_limit = 998;
497 BOOL bounce_return_message = TRUE;
498 int bounce_return_size_limit = 100*1024;
499 uschar *bounce_sender_authentication = NULL;
500
501 uschar *callout_address = NULL;
502 int callout_cache_domain_positive_expire = 7*24*60*60;
503 int callout_cache_domain_negative_expire = 3*60*60;
504 int callout_cache_positive_expire = 24*60*60;
505 int callout_cache_negative_expire = 2*60*60;
506 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
507 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
508 int check_log_inodes = 100;
509 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
510 BOOL check_rfc2047_length = TRUE;
511 int check_spool_inodes = 100;
512 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
513
514 uschar *chunking_advertise_hosts = US"*";
515 unsigned chunking_datasize = 0;
516 unsigned chunking_data_left = 0;
517 BOOL chunking_offered = FALSE;
518 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
519 const pcre *regex_CHUNKING = NULL;
520
521 uschar *client_authenticator = NULL;
522 uschar *client_authenticated_id = NULL;
523 uschar *client_authenticated_sender = NULL;
524 int clmacro_count = 0;
525 uschar *clmacros[MAX_CLMACROS];
526 BOOL commandline_checks_require_admin = FALSE;
527 BOOL config_changed = FALSE;
528 FILE *config_file = NULL;
529 const uschar *config_filename = NULL;
530 int config_lineno = 0;
531 #ifdef CONFIGURE_GROUP
532 gid_t config_gid = CONFIGURE_GROUP;
533 #else
534 gid_t config_gid = 0;
535 #endif
536 uschar *config_main_filelist = US CONFIGURE_FILE
537 "\0<-----------Space to patch configure_filename->";
538 uschar *config_main_filename = NULL;
539 uschar *config_main_directory = NULL;
540
541 #ifdef CONFIGURE_OWNER
542 uid_t config_uid = CONFIGURE_OWNER;
543 #else
544 uid_t config_uid = 0;
545 #endif
546
547 int connection_max_messages= -1;
548 uschar *continue_proxy_cipher = NULL;
549 uschar *continue_hostname = NULL;
550 uschar *continue_host_address = NULL;
551 BOOL continue_more = FALSE;
552 int continue_sequence = 1;
553 uschar *continue_transport = NULL;
554
555 uschar *csa_status = NULL;
556 cut_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
565 BOOL daemon_listen = FALSE;
566 uschar *daemon_smtp_port = US"smtp";
567 int daemon_startup_retries = 9;
568 int daemon_startup_sleep = 30;
569
570 #ifdef EXPERIMENTAL_DCC
571 BOOL dcc_direct_add_header = FALSE;
572 uschar *dcc_header = NULL;
573 uschar *dcc_result = NULL;
574 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
575 uschar *dccifd_options = US"header";
576 #endif
577
578 BOOL debug_daemon = FALSE;
579 int debug_fd = -1;
580 FILE *debug_file = NULL;
581 int debug_notall[] = {
582 Di_memory,
583 -1
584 };
585 bit_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 };
618 int debug_options_count = nelem(debug_options);
619
620 unsigned int debug_selector = 0;
621 BOOL debug_store = FALSE;
622 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
623 uschar *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}}";
629 BOOL delivery_date_remove = TRUE;
630 uschar *deliver_address_data = NULL;
631 int deliver_datafile = -1;
632 const uschar *deliver_domain = NULL;
633 uschar *deliver_domain_data = NULL;
634 const uschar *deliver_domain_orig = NULL;
635 const uschar *deliver_domain_parent = NULL;
636 BOOL deliver_drop_privilege = FALSE;
637 BOOL deliver_firsttime = FALSE;
638 BOOL deliver_force = FALSE;
639 BOOL deliver_freeze = FALSE;
640 time_t deliver_frozen_at = 0;
641 uschar *deliver_home = NULL;
642 const uschar *deliver_host = NULL;
643 const uschar *deliver_host_address = NULL;
644 int deliver_host_port = 0;
645 uschar *deliver_in_buffer = NULL;
646 ino_t deliver_inode = 0;
647 uschar *deliver_localpart = NULL;
648 uschar *deliver_localpart_data = NULL;
649 uschar *deliver_localpart_orig = NULL;
650 uschar *deliver_localpart_parent = NULL;
651 uschar *deliver_localpart_prefix = NULL;
652 uschar *deliver_localpart_suffix = NULL;
653 BOOL deliver_force_thaw = FALSE;
654 BOOL deliver_manual_thaw = FALSE;
655 uschar *deliver_out_buffer = NULL;
656 int deliver_queue_load_max = -1;
657 address_item *deliver_recipients = NULL;
658 uschar *deliver_selectstring = NULL;
659 BOOL deliver_selectstring_regex = FALSE;
660 uschar *deliver_selectstring_sender = NULL;
661 BOOL deliver_selectstring_sender_regex = FALSE;
662 BOOL disable_callout_flush = FALSE;
663 BOOL disable_delay_flush = FALSE;
664 #ifdef ENABLE_DISABLE_FSYNC
665 BOOL disable_fsync = FALSE;
666 #endif
667 BOOL disable_ipv6 = FALSE;
668 BOOL disable_logging = FALSE;
669
670 #ifndef DISABLE_DKIM
671 BOOL dkim_collect_input = FALSE;
672 uschar *dkim_cur_signer = NULL;
673 BOOL dkim_disable_verify = FALSE;
674 int dkim_key_length = 0;
675 uschar *dkim_signers = NULL;
676 uschar *dkim_signing_domain = NULL;
677 uschar *dkim_signing_selector = NULL;
678 uschar *dkim_verify_overall = NULL;
679 uschar *dkim_verify_signers = US"$dkim_signers";
680 uschar *dkim_verify_status = NULL;
681 uschar *dkim_verify_reason = NULL;
682 #endif
683 #ifdef EXPERIMENTAL_DMARC
684 BOOL dmarc_has_been_checked = FALSE;
685 uschar *dmarc_ar_header = NULL;
686 uschar *dmarc_domain_policy = NULL;
687 uschar *dmarc_forensic_sender = NULL;
688 uschar *dmarc_history_file = NULL;
689 uschar *dmarc_status = NULL;
690 uschar *dmarc_status_text = NULL;
691 uschar *dmarc_tld_file = NULL;
692 uschar *dmarc_used_domain = NULL;
693 BOOL dmarc_disable_verify = FALSE;
694 BOOL dmarc_enable_forensic = FALSE;
695 #endif
696
697 uschar *dns_again_means_nonexist = NULL;
698 int dns_csa_search_limit = 5;
699 BOOL dns_csa_use_reverse = TRUE;
700 #ifdef SUPPORT_DANE
701 int dns_dane_ok = -1;
702 #endif
703 uschar *dns_ipv4_lookup = NULL;
704 int dns_retrans = 0;
705 int dns_retry = 0;
706 int dns_dnssec_ok = -1; /* <0 = not coerced */
707 uschar *dns_trust_aa = NULL;
708 int dns_use_edns0 = -1; /* <0 = not coerced */
709 uschar *dnslist_domain = NULL;
710 uschar *dnslist_matched = NULL;
711 uschar *dnslist_text = NULL;
712 uschar *dnslist_value = NULL;
713 tree_node *domainlist_anchor = NULL;
714 int domainlist_count = 0;
715 BOOL dont_deliver = FALSE;
716 BOOL dot_ends = TRUE;
717 BOOL drop_cr = FALSE; /* No longer used */
718 uschar *dsn_from = US DEFAULT_DSN_FROM;
719
720 BOOL enable_dollar_recipients = FALSE;
721 BOOL envelope_to_remove = TRUE;
722 int errno_quota = ERRNO_QUOTA;
723 uschar *errors_copy = NULL;
724 int error_handling = ERRORS_SENDER;
725 uschar *errors_reply_to = NULL;
726 int errors_sender_rc = EXIT_FAILURE;
727 #ifndef DISABLE_EVENT
728 uschar *event_action = NULL; /* expansion for delivery events */
729 uschar *event_data = NULL; /* auxiliary data variable for event */
730 int event_defer_errno = 0;
731 const uschar *event_name = NULL; /* event name variable */
732 #endif
733
734
735 gid_t exim_gid = EXIM_GID;
736 BOOL exim_gid_set = TRUE; /* This gid is always set */
737 uschar *exim_path = US BIN_DIRECTORY "/exim"
738 "\0<---------------Space to patch exim_path->";
739 uid_t exim_uid = EXIM_UID;
740 BOOL exim_uid_set = TRUE; /* This uid is always set */
741 int expand_level = 0; /* Nesting depth, indent for debug */
742 int expand_forbid = 0;
743 int expand_nlength[EXPAND_MAXN+1];
744 int expand_nmax = -1;
745 uschar *expand_nstring[EXPAND_MAXN+1];
746 BOOL expand_string_forcedfail = FALSE;
747 uschar *expand_string_message;
748 BOOL extract_addresses_remove_arguments = TRUE;
749 uschar *extra_local_interfaces = NULL;
750
751 int fake_response = OK;
752 uschar *fake_response_text = US"Your message has been rejected but is "
753 "being kept for evaluation.\nIf it was a "
754 "legitimate message, it may still be "
755 "delivered to the target recipient(s).";
756 int filter_n[FILTER_VARIABLE_COUNT];
757 BOOL filter_running = FALSE;
758 int filter_sn[FILTER_VARIABLE_COUNT];
759 int filter_test = FTEST_NONE;
760 uschar *filter_test_sfile = NULL;
761 uschar *filter_test_ufile = NULL;
762 uschar *filter_thisaddress = NULL;
763 int finduser_retries = 0;
764 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
765 uschar *freeze_tell = NULL;
766 uschar *freeze_tell_config = NULL;
767 uschar *fudged_queue_times = US"";
768
769 uschar *gecos_name = NULL;
770 uschar *gecos_pattern = NULL;
771 rewrite_rule *global_rewrite_rules = NULL;
772
773 uschar *headers_charset = US HEADERS_CHARSET;
774 int header_insert_maxlen = 64 * 1024;
775 header_line *header_last = NULL;
776 header_line *header_list = NULL;
777 int header_maxsize = HEADER_MAXSIZE;
778 int header_line_maxsize = 0;
779
780 header_name header_names[] = {
781 /* name len allow_resent htype */
782 { US"bcc", 3, TRUE, htype_bcc },
783 { US"cc", 2, TRUE, htype_cc },
784 { US"date", 4, TRUE, htype_date },
785 { US"delivery-date", 13, FALSE, htype_delivery_date },
786 { US"envelope-to", 11, FALSE, htype_envelope_to },
787 { US"from", 4, TRUE, htype_from },
788 { US"message-id", 10, TRUE, htype_id },
789 { US"received", 8, FALSE, htype_received },
790 { US"reply-to", 8, FALSE, htype_reply_to },
791 { US"return-path", 11, FALSE, htype_return_path },
792 { US"sender", 6, TRUE, htype_sender },
793 { US"subject", 7, FALSE, htype_subject },
794 { US"to", 2, TRUE, htype_to }
795 };
796
797 int header_names_size = nelem(header_names);
798
799 BOOL header_rewritten = FALSE;
800 uschar *helo_accept_junk_hosts = NULL;
801 uschar *helo_allow_chars = US"";
802 uschar *helo_lookup_domains = US"@ : @[]";
803 uschar *helo_try_verify_hosts = NULL;
804 BOOL helo_verified = FALSE;
805 BOOL helo_verify_failed = FALSE;
806 uschar *helo_verify_hosts = NULL;
807 const uschar *hex_digits = CUS"0123456789abcdef";
808 uschar *hold_domains = NULL;
809 BOOL host_checking = FALSE;
810 BOOL host_checking_callout = FALSE;
811 uschar *host_data = NULL;
812 BOOL host_find_failed_syntax= FALSE;
813 uschar *host_lookup = NULL;
814 BOOL host_lookup_deferred = FALSE;
815 BOOL host_lookup_failed = FALSE;
816 uschar *host_lookup_order = US"bydns:byaddr";
817 uschar *host_lookup_msg = US"";
818 int host_number = 0;
819 uschar *host_number_string = NULL;
820 uschar *host_reject_connection = NULL;
821 tree_node *hostlist_anchor = NULL;
822 int hostlist_count = 0;
823 uschar *hosts_treat_as_local = NULL;
824 uschar *hosts_connection_nolog = NULL;
825
826 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
827 BOOL ignore_fromline_local = FALSE;
828 uschar *ignore_fromline_hosts = NULL;
829 BOOL inetd_wait_mode = FALSE;
830 int inetd_wait_timeout = -1;
831 uschar *initial_cwd = NULL;
832 uschar *interface_address = NULL;
833 int interface_port = -1;
834 BOOL is_inetd = FALSE;
835 uschar *iterate_item = NULL;
836
837 int journal_fd = -1;
838
839 uschar *keep_environment = NULL;
840
841 int keep_malformed = 4*24*60*60; /* 4 days */
842
843 uschar *eldap_dn = NULL;
844 int load_average = -2;
845 BOOL local_error_message = FALSE;
846 BOOL local_from_check = TRUE;
847 uschar *local_from_prefix = NULL;
848 uschar *local_from_suffix = NULL;
849
850 #if HAVE_IPV6
851 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
852 #else
853 uschar *local_interfaces = US"0.0.0.0";
854 #endif
855
856 uschar *local_scan_data = NULL;
857 int local_scan_timeout = 5*60;
858 BOOL local_sender_retain = FALSE;
859 gid_t local_user_gid = (gid_t)(-1);
860 uid_t local_user_uid = (uid_t)(-1);
861
862 tree_node *localpartlist_anchor= NULL;
863 int localpartlist_count = 0;
864 uschar *log_buffer = NULL;
865
866 int log_default[] = { /* for initializing log_selector */
867 Li_acl_warn_skipped,
868 Li_connection_reject,
869 Li_delay_delivery,
870 Li_dkim,
871 Li_dnslist_defer,
872 Li_etrn,
873 Li_host_lookup_failed,
874 Li_lost_incoming_connection,
875 Li_outgoing_interface, /* see d_log_interface in deliver.c */
876 Li_queue_run,
877 Li_rejected_header,
878 Li_retry_defer,
879 Li_sender_verify_fail,
880 Li_size_reject,
881 Li_skip_delivery,
882 Li_smtp_confirmation,
883 Li_tls_certificate_verified,
884 Li_tls_cipher,
885 -1
886 };
887
888 uschar *log_file_path = US LOG_FILE_PATH
889 "\0<--------------Space to patch log_file_path->";
890
891 int log_notall[] = {
892 -1
893 };
894 bit_table log_options[] = { /* must be in alphabetical order */
895 BIT_TABLE(L, 8bitmime),
896 BIT_TABLE(L, acl_warn_skipped),
897 BIT_TABLE(L, address_rewrite),
898 BIT_TABLE(L, all),
899 BIT_TABLE(L, all_parents),
900 BIT_TABLE(L, arguments),
901 BIT_TABLE(L, connection_reject),
902 BIT_TABLE(L, delay_delivery),
903 BIT_TABLE(L, deliver_time),
904 BIT_TABLE(L, delivery_size),
905 #ifndef DISABLE_DKIM
906 BIT_TABLE(L, dkim),
907 BIT_TABLE(L, dkim_verbose),
908 #endif
909 BIT_TABLE(L, dnslist_defer),
910 BIT_TABLE(L, dnssec),
911 BIT_TABLE(L, etrn),
912 BIT_TABLE(L, host_lookup_failed),
913 BIT_TABLE(L, ident_timeout),
914 BIT_TABLE(L, incoming_interface),
915 BIT_TABLE(L, incoming_port),
916 BIT_TABLE(L, lost_incoming_connection),
917 BIT_TABLE(L, millisec),
918 BIT_TABLE(L, outgoing_interface),
919 BIT_TABLE(L, outgoing_port),
920 BIT_TABLE(L, pid),
921 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
922 BIT_TABLE(L, proxy),
923 #endif
924 BIT_TABLE(L, queue_run),
925 BIT_TABLE(L, queue_time),
926 BIT_TABLE(L, queue_time_overall),
927 BIT_TABLE(L, receive_time),
928 BIT_TABLE(L, received_recipients),
929 BIT_TABLE(L, received_sender),
930 BIT_TABLE(L, rejected_header),
931 { US"rejected_headers", Li_rejected_header },
932 BIT_TABLE(L, retry_defer),
933 BIT_TABLE(L, return_path_on_delivery),
934 BIT_TABLE(L, sender_on_delivery),
935 BIT_TABLE(L, sender_verify_fail),
936 BIT_TABLE(L, size_reject),
937 BIT_TABLE(L, skip_delivery),
938 BIT_TABLE(L, smtp_confirmation),
939 BIT_TABLE(L, smtp_connection),
940 BIT_TABLE(L, smtp_incomplete_transaction),
941 BIT_TABLE(L, smtp_mailauth),
942 BIT_TABLE(L, smtp_no_mail),
943 BIT_TABLE(L, smtp_protocol_error),
944 BIT_TABLE(L, smtp_syntax_error),
945 BIT_TABLE(L, subject),
946 BIT_TABLE(L, tls_certificate_verified),
947 BIT_TABLE(L, tls_cipher),
948 BIT_TABLE(L, tls_peerdn),
949 BIT_TABLE(L, tls_sni),
950 BIT_TABLE(L, unknown_in_list),
951 };
952 int log_options_count = nelem(log_options);
953
954 int log_reject_target = 0;
955 unsigned int log_selector[log_selector_size]; /* initialized in main() */
956 uschar *log_selector_string = NULL;
957 FILE *log_stderr = NULL;
958 BOOL log_testing_mode = FALSE;
959 BOOL log_timezone = FALSE;
960 uschar *login_sender_address = NULL;
961 uschar *lookup_dnssec_authenticated = NULL;
962 int lookup_open_max = 25;
963 uschar *lookup_value = NULL;
964
965 macro_item *macros_user = NULL;
966 uschar *mailstore_basename = NULL;
967 #ifdef WITH_CONTENT_SCAN
968 uschar *malware_name = NULL; /* Virus Name */
969 #endif
970 int max_received_linelength= 0;
971 int max_username_length = 0;
972 int message_age = 0;
973 uschar *message_body = NULL;
974 uschar *message_body_end = NULL;
975 BOOL message_body_newlines = FALSE;
976 int message_body_size = 0;
977 int message_body_visible = 500;
978 int message_ended = END_NOTSTARTED;
979 uschar *message_headers = NULL;
980 uschar *message_id;
981 uschar *message_id_domain = NULL;
982 uschar *message_id_text = NULL;
983 struct timeval message_id_tv = { 0, 0 };
984 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
985 uschar *message_id_external;
986 int message_linecount = 0;
987 BOOL message_logs = TRUE;
988 int message_size = 0;
989 uschar *message_size_limit = US"50M";
990 #ifdef SUPPORT_I18N
991 BOOL message_smtputf8 = FALSE;
992 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
993 #endif
994 uschar message_subdir[2] = { 0, 0 };
995 uschar *message_reference = NULL;
996
997 /* MIME ACL expandables */
998 #ifdef WITH_CONTENT_SCAN
999 int mime_anomaly_level = 0;
1000 const uschar *mime_anomaly_text = NULL;
1001 uschar *mime_boundary = NULL;
1002 uschar *mime_charset = NULL;
1003 uschar *mime_content_description = NULL;
1004 uschar *mime_content_disposition = NULL;
1005 uschar *mime_content_id = NULL;
1006 unsigned int mime_content_size = 0;
1007 uschar *mime_content_transfer_encoding = NULL;
1008 uschar *mime_content_type = NULL;
1009 uschar *mime_decoded_filename = NULL;
1010 uschar *mime_filename = NULL;
1011 int mime_is_multipart = 0;
1012 int mime_is_coverletter = 0;
1013 int mime_is_rfc822 = 0;
1014 int mime_part_count = -1;
1015 #endif
1016
1017 BOOL mua_wrapper = FALSE;
1018
1019 uid_t *never_users = NULL;
1020 #ifdef WITH_CONTENT_SCAN
1021 BOOL no_mbox_unspool = FALSE;
1022 #endif
1023 BOOL no_multiline_responses = FALSE;
1024
1025 const int on = 1; /* for setsockopt */
1026 const int off = 0;
1027
1028 uid_t original_euid;
1029 gid_t originator_gid;
1030 uschar *originator_login = NULL;
1031 uschar *originator_name = NULL;
1032 uid_t originator_uid;
1033 uschar *override_local_interfaces = NULL;
1034 uschar *override_pid_file_path = NULL;
1035
1036 BOOL parse_allow_group = FALSE;
1037 BOOL parse_found_group = FALSE;
1038 uschar *percent_hack_domains = NULL;
1039 uschar *pid_file_path = US PID_FILE_PATH
1040 "\0<--------------Space to patch pid_file_path->";
1041 BOOL pipelining_enable = TRUE;
1042 uschar *pipelining_advertise_hosts = US"*";
1043 BOOL preserve_message_logs = FALSE;
1044 uschar *primary_hostname = NULL;
1045 BOOL print_topbitchars = FALSE;
1046 uschar process_info[PROCESS_INFO_SIZE];
1047 int process_info_len = 0;
1048 uschar *process_log_path = NULL;
1049 BOOL prod_requires_admin = TRUE;
1050
1051 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1052 uschar *hosts_proxy = US"";
1053 uschar *proxy_external_address = US"";
1054 int proxy_external_port = 0;
1055 uschar *proxy_local_address = US"";
1056 int proxy_local_port = 0;
1057 BOOL proxy_session = FALSE;
1058 BOOL proxy_session_failed = FALSE;
1059 #endif
1060
1061 uschar *prvscheck_address = NULL;
1062 uschar *prvscheck_keynum = NULL;
1063 uschar *prvscheck_result = NULL;
1064
1065
1066 const uschar *qualify_domain_recipient = NULL;
1067 uschar *qualify_domain_sender = NULL;
1068 BOOL queue_2stage = FALSE;
1069 uschar *queue_domains = NULL;
1070 int queue_interval = -1;
1071 BOOL queue_list_requires_admin = TRUE;
1072 uschar *queue_name = US"";
1073 BOOL queue_only = FALSE;
1074 uschar *queue_only_file = NULL;
1075 int queue_only_load = -1;
1076 BOOL queue_only_load_latch = TRUE;
1077 BOOL queue_only_override = TRUE;
1078 BOOL queue_only_policy = FALSE;
1079 BOOL queue_run_first_delivery = FALSE;
1080 BOOL queue_run_force = FALSE;
1081 BOOL queue_run_in_order = FALSE;
1082 BOOL queue_run_local = FALSE;
1083 uschar *queue_run_max = US"5";
1084 pid_t queue_run_pid = (pid_t)0;
1085 int queue_run_pipe = -1;
1086 BOOL queue_running = FALSE;
1087 BOOL queue_smtp = FALSE;
1088 uschar *queue_smtp_domains = NULL;
1089
1090 unsigned int random_seed = 0;
1091 tree_node *ratelimiters_cmd = NULL;
1092 tree_node *ratelimiters_conn = NULL;
1093 tree_node *ratelimiters_mail = NULL;
1094 uschar *raw_active_hostname = NULL;
1095 uschar *raw_sender = NULL;
1096 uschar **raw_recipients = NULL;
1097 int raw_recipients_count = 0;
1098
1099 int rcpt_count = 0;
1100 int rcpt_fail_count = 0;
1101 int rcpt_defer_count = 0;
1102 gid_t real_gid;
1103 uid_t real_uid;
1104 BOOL really_exim = TRUE;
1105 BOOL receive_call_bombout = FALSE;
1106 int receive_linecount = 0;
1107 int receive_messagecount = 0;
1108 int receive_timeout = 0;
1109 int received_count = 0;
1110 uschar *received_for = NULL;
1111
1112 /* This is the default text for Received headers generated by Exim. The
1113 date will be automatically added on the end. */
1114
1115 uschar *received_header_text = US
1116 "Received: "
1117 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1118 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1119 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1120 "by $primary_hostname "
1121 "${if def:received_protocol {with $received_protocol}} "
1122 #ifdef SUPPORT_TLS
1123 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1124 #endif
1125 "(Exim $version_number)\n\t"
1126 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1127 "id $message_exim_id"
1128 "${if def:received_for {\n\tfor $received_for}}"
1129 "\0<---------------Space to patch received_header_text->";
1130
1131 int received_headers_max = 30;
1132 uschar *received_protocol = NULL;
1133 struct timeval received_time = { 0, 0 };
1134 struct timeval received_time_taken = { 0, 0 };
1135 uschar *recipient_data = NULL;
1136 uschar *recipient_unqualified_hosts = NULL;
1137 uschar *recipient_verify_failure = NULL;
1138 int recipients_count = 0;
1139 BOOL recipients_discarded = FALSE;
1140 recipient_item *recipients_list = NULL;
1141 int recipients_list_max = 0;
1142 int recipients_max = 0;
1143 BOOL recipients_max_reject = FALSE;
1144 const pcre *regex_AUTH = NULL;
1145 const pcre *regex_check_dns_names = NULL;
1146 const pcre *regex_From = NULL;
1147 const pcre *regex_IGNOREQUOTA = NULL;
1148 const pcre *regex_PIPELINING = NULL;
1149 const pcre *regex_SIZE = NULL;
1150 const pcre *regex_ismsgid = NULL;
1151 const pcre *regex_smtp_code = NULL;
1152 uschar *regex_vars[REGEX_VARS];
1153 #ifdef WHITELIST_D_MACROS
1154 const pcre *regex_whitelisted_macro = NULL;
1155 #endif
1156 #ifdef WITH_CONTENT_SCAN
1157 uschar *regex_match_string = NULL;
1158 #endif
1159 int remote_delivery_count = 0;
1160 int remote_max_parallel = 2;
1161 uschar *remote_sort_domains = NULL;
1162 int retry_data_expire = 7*24*60*60;
1163 int retry_interval_max = 24*60*60;
1164 int retry_maximum_timeout = 0; /* set from retry config */
1165 retry_config *retries = NULL;
1166 uschar *return_path = NULL;
1167 BOOL return_path_remove = TRUE;
1168 int rewrite_existflags = 0;
1169 uschar *rfc1413_hosts = US"@[]";
1170 int rfc1413_query_timeout = 0;
1171 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1172 uid_t root_gid = ROOT_GID;
1173 uid_t root_uid = ROOT_UID;
1174
1175 router_instance *routers = NULL;
1176 router_instance router_defaults = {
1177 .next = NULL,
1178 .name = NULL,
1179 .info = NULL,
1180 .options_block = NULL,
1181 .driver_name = NULL,
1182
1183 .address_data = NULL,
1184 #ifdef EXPERIMENTAL_BRIGHTMAIL
1185 .bmi_rule = NULL,
1186 #endif
1187 .cannot_route_message = NULL,
1188 .condition = NULL,
1189 .current_directory = NULL,
1190 .debug_string = NULL,
1191 .domains = NULL,
1192 .errors_to = NULL,
1193 .expand_gid = NULL,
1194 .expand_uid = NULL,
1195 .expand_more = NULL,
1196 .expand_unseen = NULL,
1197 .extra_headers = NULL,
1198 .fallback_hosts = NULL,
1199 .home_directory = NULL,
1200 .ignore_target_hosts = NULL,
1201 .local_parts = NULL,
1202 .pass_router_name = NULL,
1203 .prefix = NULL,
1204 .redirect_router_name = NULL,
1205 .remove_headers = NULL,
1206 .require_files = NULL,
1207 .router_home_directory = NULL,
1208 .self = US"freeze",
1209 .senders = NULL,
1210 .suffix = NULL,
1211 .translate_ip_address = NULL,
1212 .transport_name = NULL,
1213
1214 .address_test = TRUE,
1215 #ifdef EXPERIMENTAL_BRIGHTMAIL
1216 .bmi_deliver_alternate = FALSE,
1217 .bmi_deliver_default = FALSE,
1218 .bmi_dont_deliver = FALSE,
1219 #endif
1220 .expn = TRUE,
1221 .caseful_local_part = FALSE,
1222 .check_local_user = FALSE,
1223 .disable_logging = FALSE,
1224 .fail_verify_recipient = FALSE,
1225 .fail_verify_sender = FALSE,
1226 .gid_set = FALSE,
1227 .initgroups = FALSE,
1228 .log_as_local = TRUE_UNSET,
1229 .more = TRUE,
1230 .pass_on_timeout = FALSE,
1231 .prefix_optional = FALSE,
1232 .repeat_use = TRUE,
1233 .retry_use_local_part = TRUE_UNSET,
1234 .same_domain_copy_routing = FALSE,
1235 .self_rewrite = FALSE,
1236 .suffix_optional = FALSE,
1237 .verify_only = FALSE,
1238 .verify_recipient = TRUE,
1239 .verify_sender = TRUE,
1240 .uid_set = FALSE,
1241 .unseen = FALSE,
1242 .dsn_lasthop = FALSE,
1243
1244 .self_code = self_freeze,
1245 .uid = (uid_t)(-1),
1246 .gid = (gid_t)(-1),
1247
1248 .fallback_hostlist = NULL,
1249 .transport = NULL,
1250 .pass_router = NULL,
1251 .redirect_router = NULL,
1252
1253 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1254 };
1255
1256 uschar *router_name = NULL;
1257
1258 ip_address_item *running_interfaces = NULL;
1259 BOOL running_in_test_harness = FALSE;
1260
1261 /* This is a weird one. The following string gets patched in the binary by the
1262 script that sets up a copy of Exim for running in the test harness. It seems
1263 that compilers are now clever, and share constant strings if they can.
1264 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1265 make use of the end of this string in order to save space. So the patching then
1266 wrecks this. We defeat this optimization by adding some additional characters
1267 onto the end of the string. */
1268
1269 uschar *running_status = US">>>running<<<" "\0EXTRA";
1270
1271 int runrc = 0;
1272
1273 uschar *search_error_message = NULL;
1274 BOOL search_find_defer = FALSE;
1275 uschar *self_hostname = NULL;
1276 uschar *sender_address = NULL;
1277 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1278 uschar *sender_address_data = NULL;
1279 BOOL sender_address_forced = FALSE;
1280 uschar *sender_address_unrewritten = NULL;
1281 uschar *sender_data = NULL;
1282 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1283 uschar *sender_fullhost = NULL;
1284 BOOL sender_helo_dnssec = FALSE;
1285 uschar *sender_helo_name = NULL;
1286 uschar **sender_host_aliases = &no_aliases;
1287 uschar *sender_host_address = NULL;
1288 uschar *sender_host_authenticated = NULL;
1289 uschar *sender_host_auth_pubname = NULL;
1290 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1291 BOOL sender_host_dnssec = FALSE;
1292 uschar *sender_host_name = NULL;
1293 int sender_host_port = 0;
1294 BOOL sender_host_notsocket = FALSE;
1295 BOOL sender_host_unknown = FALSE;
1296 uschar *sender_ident = NULL;
1297 BOOL sender_local = FALSE;
1298 BOOL sender_name_forced = FALSE;
1299 uschar *sender_rate = NULL;
1300 uschar *sender_rate_limit = NULL;
1301 uschar *sender_rate_period = NULL;
1302 uschar *sender_rcvhost = NULL;
1303 BOOL sender_set_untrusted = FALSE;
1304 uschar *sender_unqualified_hosts = NULL;
1305 uschar *sender_verify_failure = NULL;
1306 address_item *sender_verified_list = NULL;
1307 address_item *sender_verified_failed = NULL;
1308 int sender_verified_rc = -1;
1309 BOOL sender_verified_responded = FALSE;
1310 uschar *sending_ip_address = NULL;
1311 int sending_port = -1;
1312 SIGNAL_BOOL sigalrm_seen = FALSE;
1313 uschar **sighup_argv = NULL;
1314 int slow_lookup_log = 0; /* millisecs, zero disables */
1315 int smtp_accept_count = 0;
1316 BOOL smtp_accept_keepalive = TRUE;
1317 int smtp_accept_max = 20;
1318 int smtp_accept_max_nonmail= 10;
1319 uschar *smtp_accept_max_nonmail_hosts = US"*";
1320 int smtp_accept_max_per_connection = 1000;
1321 uschar *smtp_accept_max_per_host = NULL;
1322 int smtp_accept_queue = 0;
1323 int smtp_accept_queue_per_connection = 10;
1324 int smtp_accept_reserve = 0;
1325 uschar *smtp_active_hostname = NULL;
1326 BOOL smtp_authenticated = FALSE;
1327 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1328 "Exim $version_number $tod_full"
1329 "\0<---------------Space to patch smtp_banner->";
1330 BOOL smtp_batched_input = FALSE;
1331 BOOL smtp_check_spool_space = TRUE;
1332 int smtp_ch_index = 0;
1333 uschar *smtp_cmd_argument = NULL;
1334 uschar *smtp_cmd_buffer = NULL;
1335 struct timeval smtp_connection_start = {0,0};
1336 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1337 int smtp_connect_backlog = 20;
1338 double smtp_delay_mail = 0.0;
1339 double smtp_delay_rcpt = 0.0;
1340 BOOL smtp_enforce_sync = TRUE;
1341 FILE *smtp_in = NULL;
1342 BOOL smtp_input = FALSE;
1343 int smtp_load_reserve = -1;
1344 int smtp_mailcmd_count = 0;
1345 FILE *smtp_out = NULL;
1346 uschar *smtp_etrn_command = NULL;
1347 BOOL smtp_etrn_serialize = TRUE;
1348 int smtp_max_synprot_errors= 3;
1349 int smtp_max_unknown_commands = 3;
1350 uschar *smtp_notquit_reason = NULL;
1351 uschar *smtp_ratelimit_hosts = NULL;
1352 uschar *smtp_ratelimit_mail = NULL;
1353 uschar *smtp_ratelimit_rcpt = NULL;
1354 uschar *smtp_read_error = US"";
1355 int smtp_receive_timeout = 5*60;
1356 uschar *smtp_receive_timeout_s = NULL;
1357 uschar *smtp_reserve_hosts = NULL;
1358 BOOL smtp_return_error_details = FALSE;
1359 int smtp_rlm_base = 0;
1360 double smtp_rlm_factor = 0.0;
1361 int smtp_rlm_limit = 0;
1362 int smtp_rlm_threshold = INT_MAX;
1363 int smtp_rlr_base = 0;
1364 double smtp_rlr_factor = 0.0;
1365 int smtp_rlr_limit = 0;
1366 int smtp_rlr_threshold = INT_MAX;
1367 unsigned smtp_peer_options = 0;
1368 unsigned smtp_peer_options_wrap= 0;
1369 #ifdef SUPPORT_I18N
1370 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1371 #endif
1372
1373 #ifdef WITH_CONTENT_SCAN
1374 uschar *spamd_address = US"127.0.0.1 783";
1375 uschar *spam_bar = NULL;
1376 uschar *spam_report = NULL;
1377 uschar *spam_action = NULL;
1378 uschar *spam_score = NULL;
1379 uschar *spam_score_int = NULL;
1380 #endif
1381 #ifdef SUPPORT_SPF
1382 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1383 uschar *spf_header_comment = NULL;
1384 uschar *spf_received = NULL;
1385 uschar *spf_result = NULL;
1386 uschar *spf_smtp_comment = NULL;
1387 #endif
1388
1389 BOOL split_spool_directory = FALSE;
1390 uschar *spool_directory = US SPOOL_DIRECTORY
1391 "\0<--------------Space to patch spool_directory->";
1392 BOOL spool_file_wireformat = FALSE;
1393 BOOL spool_wireformat = FALSE;
1394 #ifdef EXPERIMENTAL_SRS
1395 uschar *srs_config = NULL;
1396 uschar *srs_db_address = NULL;
1397 uschar *srs_db_key = NULL;
1398 int srs_hashlength = 6;
1399 int srs_hashmin = -1;
1400 int srs_maxage = 31;
1401 uschar *srs_orig_recipient = NULL;
1402 uschar *srs_orig_sender = NULL;
1403 uschar *srs_recipient = NULL;
1404 uschar *srs_secrets = NULL;
1405 uschar *srs_status = NULL;
1406 BOOL srs_usehash = TRUE;
1407 BOOL srs_usetimestamp = TRUE;
1408 #endif
1409 BOOL strict_acl_vars = FALSE;
1410 int string_datestamp_offset= -1;
1411 int string_datestamp_length= 0;
1412 int string_datestamp_type = -1;
1413 BOOL strip_excess_angle_brackets = FALSE;
1414 BOOL strip_trailing_dot = FALSE;
1415 uschar *submission_domain = NULL;
1416 BOOL submission_mode = FALSE;
1417 uschar *submission_name = NULL;
1418 BOOL suppress_local_fixups = FALSE;
1419 BOOL suppress_local_fixups_default = FALSE;
1420 BOOL synchronous_delivery = FALSE;
1421 BOOL syslog_duplication = TRUE;
1422 int syslog_facility = LOG_MAIL;
1423 BOOL syslog_pid = TRUE;
1424 uschar *syslog_processname = US"exim";
1425 BOOL syslog_timestamp = TRUE;
1426 uschar *system_filter = NULL;
1427
1428 uschar *system_filter_directory_transport = NULL;
1429 uschar *system_filter_file_transport = NULL;
1430 uschar *system_filter_pipe_transport = NULL;
1431 uschar *system_filter_reply_transport = NULL;
1432
1433 gid_t system_filter_gid = 0;
1434 BOOL system_filter_gid_set = FALSE;
1435 uid_t system_filter_uid = (uid_t)-1;
1436 BOOL system_filter_uid_set = FALSE;
1437 BOOL system_filtering = FALSE;
1438
1439 BOOL tcp_fastopen_ok = FALSE;
1440 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1441 BOOL tcp_in_fastopen = FALSE;
1442 BOOL tcp_in_fastopen_logged = FALSE;
1443 BOOL tcp_nodelay = TRUE;
1444 int tcp_out_fastopen = 0;
1445 BOOL tcp_out_fastopen_logged= FALSE;
1446 #ifdef USE_TCP_WRAPPERS
1447 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1448 #endif
1449 int test_harness_load_avg = 0;
1450 int thismessage_size_limit = 0;
1451 int timeout_frozen_after = 0;
1452 BOOL timestamps_utc = FALSE;
1453
1454 transport_instance *transports = NULL;
1455
1456 transport_instance transport_defaults = {
1457 .next = NULL,
1458 .name = NULL,
1459 .info = NULL,
1460 .options_block = NULL,
1461 .driver_name = NULL,
1462 .setup = NULL,
1463 .batch_max = 1,
1464 .batch_id = NULL,
1465 .home_dir = NULL,
1466 .current_dir = NULL,
1467 .expand_multi_domain = NULL,
1468 .multi_domain = TRUE,
1469 .overrides_hosts = FALSE,
1470 .max_addresses = 100,
1471 .connection_max_messages = 500,
1472 .deliver_as_creator = FALSE,
1473 .disable_logging = FALSE,
1474 .initgroups = FALSE,
1475 .uid_set = FALSE,
1476 .gid_set = FALSE,
1477 .uid = (uid_t)(-1),
1478 .gid = (gid_t)(-1),
1479 .expand_uid = NULL,
1480 .expand_gid = NULL,
1481 .warn_message = NULL,
1482 .shadow = NULL,
1483 .shadow_condition = NULL,
1484 .filter_command = NULL,
1485 .add_headers = NULL,
1486 .remove_headers = NULL,
1487 .return_path = NULL,
1488 .debug_string = NULL,
1489 .max_parallel = NULL,
1490 .message_size_limit = NULL,
1491 .headers_rewrite = NULL,
1492 .rewrite_rules = NULL,
1493 .rewrite_existflags = 0,
1494 .filter_timeout = 300,
1495 .body_only = FALSE,
1496 .delivery_date_add = FALSE,
1497 .envelope_to_add = FALSE,
1498 .headers_only = FALSE,
1499 .rcpt_include_affixes = FALSE,
1500 .return_path_add = FALSE,
1501 .return_output = FALSE,
1502 .return_fail_output = FALSE,
1503 .log_output = FALSE,
1504 .log_fail_output = FALSE,
1505 .log_defer_output = FALSE,
1506 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1507 1 nor 0 so can detect unset */
1508 #ifndef DISABLE_EVENT
1509 .event_action = NULL
1510 #endif
1511 };
1512
1513 int transport_count;
1514 uschar *transport_name = NULL;
1515 int transport_newlines;
1516 const uschar **transport_filter_argv = NULL;
1517 int transport_filter_timeout;
1518 BOOL transport_filter_timed_out = FALSE;
1519 int transport_write_timeout= 0;
1520
1521 tree_node *tree_dns_fails = NULL;
1522 tree_node *tree_duplicates = NULL;
1523 tree_node *tree_nonrecipients = NULL;
1524 tree_node *tree_unusable = NULL;
1525
1526 BOOL trusted_caller = FALSE;
1527 BOOL trusted_config = TRUE;
1528 gid_t *trusted_groups = NULL;
1529 uid_t *trusted_users = NULL;
1530 uschar *timezone_string = US TIMEZONE_DEFAULT;
1531
1532 uschar *unknown_login = NULL;
1533 uschar *unknown_username = NULL;
1534 uschar *untrusted_set_sender = NULL;
1535
1536 /* A regex for matching a "From_" line in an incoming message, in the form
1537
1538 From ph10 Fri Jan 5 12:35 GMT 1996
1539
1540 which the "mail" commands send to the MTA (undocumented, of course), or in
1541 the form
1542
1543 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1544
1545 which is apparently used by some UUCPs, despite it not being in RFC 976.
1546 Because of variations in time formats, just match up to the minutes. That
1547 should be sufficient. Examples have been seen of time fields like 12:1:03,
1548 so just require one digit for hours and minutes. The weekday is also absent
1549 in some forms. */
1550
1551 uschar *uucp_from_pattern = US
1552 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1553 "(?:" /* Non-extracting bracket */
1554 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1555 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1556 ")" /* End alternation */
1557 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1558
1559 uschar *uucp_from_sender = US"$1";
1560
1561 uschar *verify_mode = NULL;
1562 uschar *version_copyright =
1563 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1564 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1565 uschar *version_date = US"?";
1566 uschar *version_cnumber = US"????";
1567 uschar *version_string = US"?";
1568
1569 uschar *warn_message_file = NULL;
1570 int warning_count = 0;
1571 uschar *warnmsg_delay = NULL;
1572 uschar *warnmsg_recipients = NULL;
1573 BOOL write_rejectlog = TRUE;
1574
1575
1576 /* End of globals.c */
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