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[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. Note that these are
102 only used for smtp connections, not for service-daemon access. */
103
104 tls_support tls_in = {
105 .active = {.sock = -1},
106 .bits = 0,
107 .certificate_verified = FALSE,
108 #ifdef SUPPORT_DANE
109 .dane_verified = FALSE,
110 .tlsa_usage = 0,
111 #endif
112 .cipher = NULL,
113 .on_connect = FALSE,
114 .on_connect_ports = NULL,
115 .ourcert = NULL,
116 .peercert = NULL,
117 .peerdn = NULL,
118 .sni = NULL,
119 .ocsp = OCSP_NOT_REQ
120 };
121 tls_support tls_out = {
122 .active = {.sock = -1},
123 .bits = 0,
124 .certificate_verified = FALSE,
125 #ifdef SUPPORT_DANE
126 .dane_verified = FALSE,
127 .tlsa_usage = 0,
128 #endif
129 .cipher = NULL,
130 .on_connect = FALSE,
131 .on_connect_ports = NULL,
132 .ourcert = NULL,
133 .peercert = NULL,
134 .peerdn = NULL,
135 .sni = NULL,
136 .ocsp = OCSP_NOT_REQ
137 };
138
139 uschar *dsn_envid = NULL;
140 int dsn_ret = 0;
141 const pcre *regex_DSN = NULL;
142 uschar *dsn_advertise_hosts = NULL;
143
144 #ifdef SUPPORT_TLS
145 BOOL gnutls_compat_mode = FALSE;
146 BOOL gnutls_allow_auto_pkcs11 = FALSE;
147 uschar *openssl_options = NULL;
148 const pcre *regex_STARTTLS = NULL;
149 uschar *tls_advertise_hosts = US"*";
150 uschar *tls_certificate = NULL;
151 uschar *tls_crl = NULL;
152 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153 that's the interop problem which has been observed: GnuTLS suggesting a higher
154 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155 int tls_dh_max_bits = 2236;
156 uschar *tls_dhparam = NULL;
157 uschar *tls_eccurve = US"auto";
158 # ifndef DISABLE_OCSP
159 uschar *tls_ocsp_file = NULL;
160 # endif
161 uschar *tls_privatekey = NULL;
162 BOOL tls_remember_esmtp = FALSE;
163 uschar *tls_require_ciphers = NULL;
164 uschar *tls_try_verify_hosts = NULL;
165 uschar *tls_verify_certificates= US"system";
166 uschar *tls_verify_hosts = NULL;
167 #else /*!SUPPORT_TLS*/
168 uschar *tls_advertise_hosts = NULL;
169 #endif
170
171 #ifndef DISABLE_PRDR
172 /* Per Recipient Data Response variables */
173 BOOL prdr_enable = FALSE;
174 BOOL prdr_requested = FALSE;
175 const pcre *regex_PRDR = NULL;
176 #endif
177
178 #ifdef SUPPORT_I18N
179 const pcre *regex_UTF8 = NULL;
180 #endif
181
182 /* Input-reading functions for messages, so we can use special ones for
183 incoming TCP/IP. The defaults use stdin. We never need these for any
184 stand-alone tests. */
185
186 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
187 int (*lwr_receive_getc)(unsigned) = stdin_getc;
188 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
189 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_getc)(unsigned) = stdin_getc;
191 uschar * (*receive_getbuf)(unsigned *) = NULL;
192 void (*receive_get_cache)(void)= NULL;
193 int (*receive_ungetc)(int) = stdin_ungetc;
194 int (*receive_feof)(void) = stdin_feof;
195 int (*receive_ferror)(void) = stdin_ferror;
196 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
197 #endif
198
199
200 /* List of per-address expansion variables for clearing and saving/restoring
201 when verifying one address while routing/verifying another. We have to have
202 the size explicit, because it is referenced from more than one module. */
203
204 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
205 CUSS &deliver_address_data,
206 CUSS &deliver_domain,
207 CUSS &deliver_domain_data,
208 CUSS &deliver_domain_orig,
209 CUSS &deliver_domain_parent,
210 CUSS &deliver_localpart,
211 CUSS &deliver_localpart_data,
212 CUSS &deliver_localpart_orig,
213 CUSS &deliver_localpart_parent,
214 CUSS &deliver_localpart_prefix,
215 CUSS &deliver_localpart_suffix,
216 CUSS (uschar **)(&deliver_recipients),
217 CUSS &deliver_host,
218 CUSS &deliver_home,
219 CUSS &address_file,
220 CUSS &address_pipe,
221 CUSS &self_hostname,
222 NULL };
223
224 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
225
226 /* General global variables */
227
228 header_line *acl_added_headers = NULL;
229 tree_node *acl_anchor = NULL;
230 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
231 NULL, NULL, NULL, NULL};
232 int acl_narg = 0;
233
234 int acl_level = 0;
235
236 uschar *acl_not_smtp = NULL;
237 #ifdef WITH_CONTENT_SCAN
238 uschar *acl_not_smtp_mime = NULL;
239 #endif
240 uschar *acl_not_smtp_start = NULL;
241 uschar *acl_removed_headers = NULL;
242 uschar *acl_smtp_auth = NULL;
243 uschar *acl_smtp_connect = NULL;
244 uschar *acl_smtp_data = NULL;
245 #ifndef DISABLE_PRDR
246 uschar *acl_smtp_data_prdr = US"accept";
247 #endif
248 #ifndef DISABLE_DKIM
249 uschar *acl_smtp_dkim = NULL;
250 #endif
251 uschar *acl_smtp_etrn = NULL;
252 uschar *acl_smtp_expn = NULL;
253 uschar *acl_smtp_helo = NULL;
254 uschar *acl_smtp_mail = NULL;
255 uschar *acl_smtp_mailauth = NULL;
256 #ifdef WITH_CONTENT_SCAN
257 uschar *acl_smtp_mime = NULL;
258 #endif
259 uschar *acl_smtp_notquit = NULL;
260 uschar *acl_smtp_predata = NULL;
261 uschar *acl_smtp_quit = NULL;
262 uschar *acl_smtp_rcpt = NULL;
263 uschar *acl_smtp_starttls = NULL;
264 uschar *acl_smtp_vrfy = NULL;
265
266 BOOL acl_temp_details = FALSE;
267 tree_node *acl_var_c = NULL;
268 tree_node *acl_var_m = NULL;
269 uschar *acl_verify_message = NULL;
270 string_item *acl_warn_logged = NULL;
271
272 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
273 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
274
275 uschar *acl_wherenames[] = { US"RCPT",
276 US"MAIL",
277 US"PREDATA",
278 US"MIME",
279 US"DKIM",
280 US"DATA",
281 #ifndef DISABLE_PRDR
282 US"PRDR",
283 #endif
284 US"non-SMTP",
285 US"AUTH",
286 US"connection",
287 US"ETRN",
288 US"EXPN",
289 US"EHLO or HELO",
290 US"MAILAUTH",
291 US"non-SMTP-start",
292 US"NOTQUIT",
293 US"QUIT",
294 US"STARTTLS",
295 US"VRFY",
296 US"delivery",
297 US"unknown"
298 };
299
300 uschar *acl_wherecodes[] = { US"550", /* RCPT */
301 US"550", /* MAIL */
302 US"550", /* PREDATA */
303 US"550", /* MIME */
304 US"550", /* DKIM */
305 US"550", /* DATA */
306 #ifndef DISABLE_PRDR
307 US"550", /* RCPT PRDR */
308 #endif
309 US"0", /* not SMTP; not relevant */
310 US"503", /* AUTH */
311 US"550", /* connect */
312 US"458", /* ETRN */
313 US"550", /* EXPN */
314 US"550", /* HELO/EHLO */
315 US"0", /* MAILAUTH; not relevant */
316 US"0", /* not SMTP; not relevant */
317 US"0", /* NOTQUIT; not relevant */
318 US"0", /* QUIT; not relevant */
319 US"550", /* STARTTLS */
320 US"252", /* VRFY */
321 US"0", /* delivery; not relevant */
322 US"0" /* unknown; not relevant */
323 };
324
325 BOOL active_local_from_check = FALSE;
326 BOOL active_local_sender_retain = FALSE;
327 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
328 uschar *add_environment = NULL;
329 address_item *addr_duplicate = NULL;
330
331 address_item address_defaults = {
332 .next = NULL,
333 .parent = NULL,
334 .first = NULL,
335 .dupof = NULL,
336 .start_router = NULL,
337 .router = NULL,
338 .transport = NULL,
339 .host_list = NULL,
340 .host_used = NULL,
341 .fallback_hosts = NULL,
342 .reply = NULL,
343 .retries = NULL,
344 .address = NULL,
345 .unique = NULL,
346 .cc_local_part = NULL,
347 .lc_local_part = NULL,
348 .local_part = NULL,
349 .prefix = NULL,
350 .suffix = NULL,
351 .domain = NULL,
352 .address_retry_key = NULL,
353 .domain_retry_key = NULL,
354 .current_dir = NULL,
355 .home_dir = NULL,
356 .message = NULL,
357 .user_message = NULL,
358 .onetime_parent = NULL,
359 .pipe_expandn = NULL,
360 .return_filename = NULL,
361 .self_hostname = NULL,
362 .shadow_message = NULL,
363 #ifdef SUPPORT_TLS
364 .cipher = NULL,
365 .ourcert = NULL,
366 .peercert = NULL,
367 .peerdn = NULL,
368 .ocsp = OCSP_NOT_REQ,
369 #endif
370 #ifdef EXPERIMENTAL_DSN_INFO
371 .smtp_greeting = NULL,
372 .helo_response = NULL,
373 #endif
374 .authenticator = NULL,
375 .auth_id = NULL,
376 .auth_sndr = NULL,
377 .dsn_orcpt = NULL,
378 .dsn_flags = 0,
379 .dsn_aware = 0,
380 .uid = (uid_t)(-1),
381 .gid = (gid_t)(-1),
382 .flags = { 0 },
383 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
384 .localpart_cache = { 0 }, /* localpart_cache - ditto */
385 .mode = -1,
386 .more_errno = 0,
387 .delivery_usec = 0,
388 .basic_errno = ERRNO_UNKNOWNERROR,
389 .child_count = 0,
390 .return_file = -1,
391 .special_action = SPECIAL_NONE,
392 .transport_return = DEFER,
393 .prop = { /* fields that are propagated to children */
394 .address_data = NULL,
395 .domain_data = NULL,
396 .localpart_data = NULL,
397 .errors_address = NULL,
398 .extra_headers = NULL,
399 .remove_headers = NULL,
400 #ifdef EXPERIMENTAL_SRS
401 .srs_sender = NULL,
402 #endif
403 .ignore_error = FALSE,
404 #ifdef SUPPORT_I18N
405 .utf8_msg = FALSE,
406 .utf8_downcvt = FALSE,
407 .utf8_downcvt_maybe = FALSE
408 #endif
409 }
410 };
411
412 uschar *address_file = NULL;
413 uschar *address_pipe = NULL;
414 BOOL address_test_mode = FALSE;
415 tree_node *addresslist_anchor = NULL;
416 int addresslist_count = 0;
417 gid_t *admin_groups = NULL;
418 BOOL admin_user = FALSE;
419 BOOL allow_auth_unadvertised= FALSE;
420 BOOL allow_domain_literals = FALSE;
421 BOOL allow_mx_to_ip = FALSE;
422 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
423 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
424 BOOL allow_utf8_domains = FALSE;
425
426 #ifdef EXPERIMENTAL_ARC
427 struct arc_set *arc_received = NULL;
428 int arc_received_instance = 0;
429 int arc_oldest_pass = 0;
430 const uschar *arc_state = NULL;
431 const uschar *arc_state_reason = NULL;
432 #endif
433
434 uschar *authenticated_fail_id = NULL;
435 uschar *authenticated_id = NULL;
436 uschar *authenticated_sender = NULL;
437 BOOL authentication_failed = FALSE;
438 BOOL authentication_local = FALSE;
439 auth_instance *auths = NULL;
440 uschar *auth_advertise_hosts = US"*";
441 auth_instance auth_defaults = {
442 .next = NULL,
443 .name = NULL,
444 .info = NULL,
445 .options_block = NULL,
446 .driver_name = NULL,
447 .advertise_condition = NULL,
448 .client_condition = NULL,
449 .public_name = NULL,
450 .set_id = NULL,
451 .set_client_id = NULL,
452 .mail_auth_condition = NULL,
453 .server_debug_string = NULL,
454 .server_condition = NULL,
455 .client = FALSE,
456 .server = FALSE,
457 .advertised = FALSE
458 };
459
460 uschar *auth_defer_msg = US"reason not recorded";
461 uschar *auth_defer_user_msg = US"";
462 uschar *auth_vars[AUTH_VARS];
463 int auto_thaw = 0;
464 #ifdef WITH_CONTENT_SCAN
465 BOOL av_failed = FALSE;
466 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
467 #endif
468
469 BOOL background_daemon = TRUE;
470
471 #if BASE_62 == 62
472 uschar *base62_chars=
473 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
474 #else
475 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
476 #endif
477
478 uschar *bi_command = NULL;
479 uschar *big_buffer = NULL;
480 int big_buffer_size = BIG_BUFFER_SIZE;
481 #ifdef EXPERIMENTAL_BRIGHTMAIL
482 uschar *bmi_alt_location = NULL;
483 uschar *bmi_base64_tracker_verdict = NULL;
484 uschar *bmi_base64_verdict = NULL;
485 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
486 int bmi_deliver = 1;
487 int bmi_run = 0;
488 uschar *bmi_verdicts = NULL;
489 #endif
490 int bsmtp_transaction_linecount = 0;
491 int body_8bitmime = 0;
492 int body_linecount = 0;
493 int body_zerocount = 0;
494 uschar *bounce_message_file = NULL;
495 uschar *bounce_message_text = NULL;
496 uschar *bounce_recipient = NULL;
497 BOOL bounce_return_body = TRUE;
498 int bounce_return_linesize_limit = 998;
499 BOOL bounce_return_message = TRUE;
500 int bounce_return_size_limit = 100*1024;
501 uschar *bounce_sender_authentication = NULL;
502
503 uschar *callout_address = NULL;
504 int callout_cache_domain_positive_expire = 7*24*60*60;
505 int callout_cache_domain_negative_expire = 3*60*60;
506 int callout_cache_positive_expire = 24*60*60;
507 int callout_cache_negative_expire = 2*60*60;
508 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
509 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
510 int check_log_inodes = 100;
511 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
512 BOOL check_rfc2047_length = TRUE;
513 int check_spool_inodes = 100;
514 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
515
516 uschar *chunking_advertise_hosts = US"*";
517 unsigned chunking_datasize = 0;
518 unsigned chunking_data_left = 0;
519 BOOL chunking_offered = FALSE;
520 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
521 const pcre *regex_CHUNKING = NULL;
522
523 uschar *client_authenticator = NULL;
524 uschar *client_authenticated_id = NULL;
525 uschar *client_authenticated_sender = NULL;
526 int clmacro_count = 0;
527 uschar *clmacros[MAX_CLMACROS];
528 BOOL commandline_checks_require_admin = FALSE;
529 BOOL config_changed = FALSE;
530 FILE *config_file = NULL;
531 const uschar *config_filename = NULL;
532 int config_lineno = 0;
533 #ifdef CONFIGURE_GROUP
534 gid_t config_gid = CONFIGURE_GROUP;
535 #else
536 gid_t config_gid = 0;
537 #endif
538 uschar *config_main_filelist = US CONFIGURE_FILE
539 "\0<-----------Space to patch configure_filename->";
540 uschar *config_main_filename = NULL;
541 uschar *config_main_directory = NULL;
542
543 #ifdef CONFIGURE_OWNER
544 uid_t config_uid = CONFIGURE_OWNER;
545 #else
546 uid_t config_uid = 0;
547 #endif
548
549 int connection_max_messages= -1;
550 uschar *continue_proxy_cipher = NULL;
551 uschar *continue_hostname = NULL;
552 uschar *continue_host_address = NULL;
553 BOOL continue_more = FALSE;
554 int continue_sequence = 1;
555 uschar *continue_transport = NULL;
556
557 uschar *csa_status = NULL;
558 cut_t cutthrough = {
559 .callout_hold_only = FALSE, /* verify-only: normal delivery */
560 .delivery = FALSE, /* when to attempt */
561 .defer_pass = FALSE, /* on defer: spool locally */
562 .is_tls = FALSE, /* not a TLS conn yet */
563 .cctx = {.sock = -1}, /* open connection */
564 .nrcpt = 0, /* number of addresses */
565 };
566
567 BOOL daemon_listen = FALSE;
568 uschar *daemon_smtp_port = US"smtp";
569 int daemon_startup_retries = 9;
570 int daemon_startup_sleep = 30;
571
572 #ifdef EXPERIMENTAL_DCC
573 BOOL dcc_direct_add_header = FALSE;
574 uschar *dcc_header = NULL;
575 uschar *dcc_result = NULL;
576 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
577 uschar *dccifd_options = US"header";
578 #endif
579
580 BOOL debug_daemon = FALSE;
581 int debug_fd = -1;
582 FILE *debug_file = NULL;
583 int debug_notall[] = {
584 Di_memory,
585 -1
586 };
587 bit_table debug_options[] = { /* must be in alphabetical order */
588 BIT_TABLE(D, acl),
589 BIT_TABLE(D, all),
590 BIT_TABLE(D, auth),
591 BIT_TABLE(D, deliver),
592 BIT_TABLE(D, dns),
593 BIT_TABLE(D, dnsbl),
594 BIT_TABLE(D, exec),
595 BIT_TABLE(D, expand),
596 BIT_TABLE(D, filter),
597 BIT_TABLE(D, hints_lookup),
598 BIT_TABLE(D, host_lookup),
599 BIT_TABLE(D, ident),
600 BIT_TABLE(D, interface),
601 BIT_TABLE(D, lists),
602 BIT_TABLE(D, load),
603 BIT_TABLE(D, local_scan),
604 BIT_TABLE(D, lookup),
605 BIT_TABLE(D, memory),
606 BIT_TABLE(D, pid),
607 BIT_TABLE(D, process_info),
608 BIT_TABLE(D, queue_run),
609 BIT_TABLE(D, receive),
610 BIT_TABLE(D, resolver),
611 BIT_TABLE(D, retry),
612 BIT_TABLE(D, rewrite),
613 BIT_TABLE(D, route),
614 BIT_TABLE(D, timestamp),
615 BIT_TABLE(D, tls),
616 BIT_TABLE(D, transport),
617 BIT_TABLE(D, uid),
618 BIT_TABLE(D, verify),
619 };
620 int debug_options_count = nelem(debug_options);
621
622 unsigned int debug_selector = 0;
623 BOOL debug_store = FALSE;
624 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
625 uschar *delay_warning_condition=
626 US"${if or {"
627 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
628 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
629 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
630 "} {no}{yes}}";
631 BOOL delivery_date_remove = TRUE;
632 uschar *deliver_address_data = NULL;
633 int deliver_datafile = -1;
634 const uschar *deliver_domain = NULL;
635 uschar *deliver_domain_data = NULL;
636 const uschar *deliver_domain_orig = NULL;
637 const uschar *deliver_domain_parent = NULL;
638 BOOL deliver_drop_privilege = FALSE;
639 BOOL deliver_firsttime = FALSE;
640 BOOL deliver_force = FALSE;
641 BOOL deliver_freeze = FALSE;
642 time_t deliver_frozen_at = 0;
643 uschar *deliver_home = NULL;
644 const uschar *deliver_host = NULL;
645 const uschar *deliver_host_address = NULL;
646 int deliver_host_port = 0;
647 uschar *deliver_in_buffer = NULL;
648 ino_t deliver_inode = 0;
649 uschar *deliver_localpart = NULL;
650 uschar *deliver_localpart_data = NULL;
651 uschar *deliver_localpart_orig = NULL;
652 uschar *deliver_localpart_parent = NULL;
653 uschar *deliver_localpart_prefix = NULL;
654 uschar *deliver_localpart_suffix = NULL;
655 BOOL deliver_force_thaw = FALSE;
656 BOOL deliver_manual_thaw = FALSE;
657 uschar *deliver_out_buffer = NULL;
658 int deliver_queue_load_max = -1;
659 address_item *deliver_recipients = NULL;
660 uschar *deliver_selectstring = NULL;
661 BOOL deliver_selectstring_regex = FALSE;
662 uschar *deliver_selectstring_sender = NULL;
663 BOOL deliver_selectstring_sender_regex = FALSE;
664 BOOL disable_callout_flush = FALSE;
665 BOOL disable_delay_flush = FALSE;
666 #ifdef ENABLE_DISABLE_FSYNC
667 BOOL disable_fsync = FALSE;
668 #endif
669 BOOL disable_ipv6 = FALSE;
670 BOOL disable_logging = FALSE;
671
672 #ifndef DISABLE_DKIM
673 unsigned dkim_collect_input = 0;
674 uschar *dkim_cur_signer = NULL;
675 BOOL dkim_disable_verify = FALSE;
676 int dkim_key_length = 0;
677 void *dkim_signatures = NULL;
678 uschar *dkim_signers = NULL;
679 uschar *dkim_signing_domain = NULL;
680 uschar *dkim_signing_selector = NULL;
681 uschar *dkim_verify_overall = NULL;
682 uschar *dkim_verify_signers = US"$dkim_signers";
683 uschar *dkim_verify_status = NULL;
684 uschar *dkim_verify_reason = NULL;
685 #endif
686 #ifdef EXPERIMENTAL_DMARC
687 BOOL dmarc_has_been_checked = FALSE;
688 uschar *dmarc_domain_policy = NULL;
689 uschar *dmarc_forensic_sender = NULL;
690 uschar *dmarc_history_file = NULL;
691 uschar *dmarc_status = NULL;
692 uschar *dmarc_status_text = NULL;
693 uschar *dmarc_tld_file = NULL;
694 uschar *dmarc_used_domain = NULL;
695 BOOL dmarc_disable_verify = FALSE;
696 BOOL dmarc_enable_forensic = FALSE;
697 #endif
698
699 uschar *dns_again_means_nonexist = NULL;
700 int dns_csa_search_limit = 5;
701 BOOL dns_csa_use_reverse = TRUE;
702 int dns_cname_loops = 1;
703 #ifdef SUPPORT_DANE
704 int dns_dane_ok = -1;
705 #endif
706 uschar *dns_ipv4_lookup = NULL;
707 int dns_retrans = 0;
708 int dns_retry = 0;
709 int dns_dnssec_ok = -1; /* <0 = not coerced */
710 uschar *dns_trust_aa = NULL;
711 int dns_use_edns0 = -1; /* <0 = not coerced */
712 uschar *dnslist_domain = NULL;
713 uschar *dnslist_matched = NULL;
714 uschar *dnslist_text = NULL;
715 uschar *dnslist_value = NULL;
716 tree_node *domainlist_anchor = NULL;
717 int domainlist_count = 0;
718 BOOL dont_deliver = FALSE;
719 BOOL dot_ends = TRUE;
720 BOOL drop_cr = FALSE; /* No longer used */
721 uschar *dsn_from = US DEFAULT_DSN_FROM;
722
723 BOOL enable_dollar_recipients = FALSE;
724 BOOL envelope_to_remove = TRUE;
725 int errno_quota = ERRNO_QUOTA;
726 uschar *errors_copy = NULL;
727 int error_handling = ERRORS_SENDER;
728 uschar *errors_reply_to = NULL;
729 int errors_sender_rc = EXIT_FAILURE;
730 #ifndef DISABLE_EVENT
731 uschar *event_action = NULL; /* expansion for delivery events */
732 uschar *event_data = NULL; /* auxiliary data variable for event */
733 int event_defer_errno = 0;
734 const uschar *event_name = NULL; /* event name variable */
735 #endif
736
737
738 gid_t exim_gid = EXIM_GID;
739 BOOL exim_gid_set = TRUE; /* This gid is always set */
740 uschar *exim_path = US BIN_DIRECTORY "/exim"
741 "\0<---------------Space to patch exim_path->";
742 uid_t exim_uid = EXIM_UID;
743 BOOL exim_uid_set = TRUE; /* This uid is always set */
744 int expand_level = 0; /* Nesting depth, indent for debug */
745 int expand_forbid = 0;
746 int expand_nlength[EXPAND_MAXN+1];
747 int expand_nmax = -1;
748 uschar *expand_nstring[EXPAND_MAXN+1];
749 BOOL expand_string_forcedfail = FALSE;
750 uschar *expand_string_message;
751 BOOL extract_addresses_remove_arguments = TRUE;
752 uschar *extra_local_interfaces = NULL;
753
754 int fake_response = OK;
755 uschar *fake_response_text = US"Your message has been rejected but is "
756 "being kept for evaluation.\nIf it was a "
757 "legitimate message, it may still be "
758 "delivered to the target recipient(s).";
759 int filter_n[FILTER_VARIABLE_COUNT];
760 BOOL filter_running = FALSE;
761 int filter_sn[FILTER_VARIABLE_COUNT];
762 int filter_test = FTEST_NONE;
763 uschar *filter_test_sfile = NULL;
764 uschar *filter_test_ufile = NULL;
765 uschar *filter_thisaddress = NULL;
766 int finduser_retries = 0;
767 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
768 uschar *freeze_tell = NULL;
769 uschar *freeze_tell_config = NULL;
770 uschar *fudged_queue_times = US"";
771
772 uschar *gecos_name = NULL;
773 uschar *gecos_pattern = NULL;
774 rewrite_rule *global_rewrite_rules = NULL;
775
776 volatile sig_atomic_t had_command_timeout = 0;
777 volatile sig_atomic_t had_command_sigterm = 0;
778 volatile sig_atomic_t had_data_timeout = 0;
779 volatile sig_atomic_t had_data_sigint = 0;
780 uschar *headers_charset = US HEADERS_CHARSET;
781 int header_insert_maxlen = 64 * 1024;
782 header_line *header_last = NULL;
783 header_line *header_list = NULL;
784 int header_maxsize = HEADER_MAXSIZE;
785 int header_line_maxsize = 0;
786
787 header_name header_names[] = {
788 /* name len allow_resent htype */
789 { US"bcc", 3, TRUE, htype_bcc },
790 { US"cc", 2, TRUE, htype_cc },
791 { US"date", 4, TRUE, htype_date },
792 { US"delivery-date", 13, FALSE, htype_delivery_date },
793 { US"envelope-to", 11, FALSE, htype_envelope_to },
794 { US"from", 4, TRUE, htype_from },
795 { US"message-id", 10, TRUE, htype_id },
796 { US"received", 8, FALSE, htype_received },
797 { US"reply-to", 8, FALSE, htype_reply_to },
798 { US"return-path", 11, FALSE, htype_return_path },
799 { US"sender", 6, TRUE, htype_sender },
800 { US"subject", 7, FALSE, htype_subject },
801 { US"to", 2, TRUE, htype_to }
802 };
803
804 int header_names_size = nelem(header_names);
805
806 BOOL header_rewritten = FALSE;
807 uschar *helo_accept_junk_hosts = NULL;
808 uschar *helo_allow_chars = US"";
809 uschar *helo_lookup_domains = US"@ : @[]";
810 uschar *helo_try_verify_hosts = NULL;
811 BOOL helo_verified = FALSE;
812 BOOL helo_verify_failed = FALSE;
813 uschar *helo_verify_hosts = NULL;
814 const uschar *hex_digits = CUS"0123456789abcdef";
815 uschar *hold_domains = NULL;
816 BOOL host_checking = FALSE;
817 BOOL host_checking_callout = FALSE;
818 uschar *host_data = NULL;
819 BOOL host_find_failed_syntax= FALSE;
820 uschar *host_lookup = NULL;
821 BOOL host_lookup_deferred = FALSE;
822 BOOL host_lookup_failed = FALSE;
823 uschar *host_lookup_order = US"bydns:byaddr";
824 uschar *host_lookup_msg = US"";
825 int host_number = 0;
826 uschar *host_number_string = NULL;
827 uschar *host_reject_connection = NULL;
828 tree_node *hostlist_anchor = NULL;
829 int hostlist_count = 0;
830 uschar *hosts_treat_as_local = NULL;
831 uschar *hosts_connection_nolog = NULL;
832
833 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
834 BOOL ignore_fromline_local = FALSE;
835 uschar *ignore_fromline_hosts = NULL;
836 BOOL inetd_wait_mode = FALSE;
837 int inetd_wait_timeout = -1;
838 uschar *initial_cwd = NULL;
839 uschar *interface_address = NULL;
840 int interface_port = -1;
841 BOOL is_inetd = FALSE;
842 uschar *iterate_item = NULL;
843
844 int journal_fd = -1;
845
846 uschar *keep_environment = NULL;
847
848 int keep_malformed = 4*24*60*60; /* 4 days */
849
850 uschar *eldap_dn = NULL;
851 int load_average = -2;
852 BOOL local_error_message = FALSE;
853 BOOL local_from_check = TRUE;
854 uschar *local_from_prefix = NULL;
855 uschar *local_from_suffix = NULL;
856
857 #if HAVE_IPV6
858 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
859 #else
860 uschar *local_interfaces = US"0.0.0.0";
861 #endif
862
863 #ifdef HAVE_LOCAL_SCAN
864 uschar *local_scan_data = NULL;
865 int local_scan_timeout = 5*60;
866 #endif
867 BOOL local_sender_retain = FALSE;
868 gid_t local_user_gid = (gid_t)(-1);
869 uid_t local_user_uid = (uid_t)(-1);
870
871 tree_node *localpartlist_anchor= NULL;
872 int localpartlist_count = 0;
873 uschar *log_buffer = NULL;
874
875 int log_default[] = { /* for initializing log_selector */
876 Li_acl_warn_skipped,
877 Li_connection_reject,
878 Li_delay_delivery,
879 Li_dkim,
880 Li_dnslist_defer,
881 Li_etrn,
882 Li_host_lookup_failed,
883 Li_lost_incoming_connection,
884 Li_outgoing_interface, /* see d_log_interface in deliver.c */
885 Li_queue_run,
886 Li_rejected_header,
887 Li_retry_defer,
888 Li_sender_verify_fail,
889 Li_size_reject,
890 Li_skip_delivery,
891 Li_smtp_confirmation,
892 Li_tls_certificate_verified,
893 Li_tls_cipher,
894 -1
895 };
896
897 uschar *log_file_path = US LOG_FILE_PATH
898 "\0<--------------Space to patch log_file_path->";
899
900 int log_notall[] = {
901 -1
902 };
903 bit_table log_options[] = { /* must be in alphabetical order */
904 BIT_TABLE(L, 8bitmime),
905 BIT_TABLE(L, acl_warn_skipped),
906 BIT_TABLE(L, address_rewrite),
907 BIT_TABLE(L, all),
908 BIT_TABLE(L, all_parents),
909 BIT_TABLE(L, arguments),
910 BIT_TABLE(L, connection_reject),
911 BIT_TABLE(L, delay_delivery),
912 BIT_TABLE(L, deliver_time),
913 BIT_TABLE(L, delivery_size),
914 #ifndef DISABLE_DKIM
915 BIT_TABLE(L, dkim),
916 BIT_TABLE(L, dkim_verbose),
917 #endif
918 BIT_TABLE(L, dnslist_defer),
919 BIT_TABLE(L, dnssec),
920 BIT_TABLE(L, etrn),
921 BIT_TABLE(L, host_lookup_failed),
922 BIT_TABLE(L, ident_timeout),
923 BIT_TABLE(L, incoming_interface),
924 BIT_TABLE(L, incoming_port),
925 BIT_TABLE(L, lost_incoming_connection),
926 BIT_TABLE(L, millisec),
927 BIT_TABLE(L, outgoing_interface),
928 BIT_TABLE(L, outgoing_port),
929 BIT_TABLE(L, pid),
930 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
931 BIT_TABLE(L, proxy),
932 #endif
933 BIT_TABLE(L, queue_run),
934 BIT_TABLE(L, queue_time),
935 BIT_TABLE(L, queue_time_overall),
936 BIT_TABLE(L, receive_time),
937 BIT_TABLE(L, received_recipients),
938 BIT_TABLE(L, received_sender),
939 BIT_TABLE(L, rejected_header),
940 { US"rejected_headers", Li_rejected_header },
941 BIT_TABLE(L, retry_defer),
942 BIT_TABLE(L, return_path_on_delivery),
943 BIT_TABLE(L, sender_on_delivery),
944 BIT_TABLE(L, sender_verify_fail),
945 BIT_TABLE(L, size_reject),
946 BIT_TABLE(L, skip_delivery),
947 BIT_TABLE(L, smtp_confirmation),
948 BIT_TABLE(L, smtp_connection),
949 BIT_TABLE(L, smtp_incomplete_transaction),
950 BIT_TABLE(L, smtp_mailauth),
951 BIT_TABLE(L, smtp_no_mail),
952 BIT_TABLE(L, smtp_protocol_error),
953 BIT_TABLE(L, smtp_syntax_error),
954 BIT_TABLE(L, subject),
955 BIT_TABLE(L, tls_certificate_verified),
956 BIT_TABLE(L, tls_cipher),
957 BIT_TABLE(L, tls_peerdn),
958 BIT_TABLE(L, tls_sni),
959 BIT_TABLE(L, unknown_in_list),
960 };
961 int log_options_count = nelem(log_options);
962
963 int log_reject_target = 0;
964 unsigned int log_selector[log_selector_size]; /* initialized in main() */
965 uschar *log_selector_string = NULL;
966 FILE *log_stderr = NULL;
967 BOOL log_testing_mode = FALSE;
968 BOOL log_timezone = FALSE;
969 uschar *login_sender_address = NULL;
970 uschar *lookup_dnssec_authenticated = NULL;
971 int lookup_open_max = 25;
972 uschar *lookup_value = NULL;
973
974 macro_item *macros_user = NULL;
975 uschar *mailstore_basename = NULL;
976 #ifdef WITH_CONTENT_SCAN
977 uschar *malware_name = NULL; /* Virus Name */
978 #endif
979 int max_received_linelength= 0;
980 int max_username_length = 0;
981 int message_age = 0;
982 uschar *message_body = NULL;
983 uschar *message_body_end = NULL;
984 BOOL message_body_newlines = FALSE;
985 int message_body_size = 0;
986 int message_body_visible = 500;
987 int message_ended = END_NOTSTARTED;
988 uschar *message_headers = NULL;
989 uschar *message_id;
990 uschar *message_id_domain = NULL;
991 uschar *message_id_text = NULL;
992 struct timeval message_id_tv = { 0, 0 };
993 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
994 uschar *message_id_external;
995 int message_linecount = 0;
996 BOOL message_logs = TRUE;
997 int message_size = 0;
998 uschar *message_size_limit = US"50M";
999 #ifdef SUPPORT_I18N
1000 BOOL message_smtputf8 = FALSE;
1001 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1002 #endif
1003 uschar message_subdir[2] = { 0, 0 };
1004 uschar *message_reference = NULL;
1005
1006 /* MIME ACL expandables */
1007 #ifdef WITH_CONTENT_SCAN
1008 int mime_anomaly_level = 0;
1009 const uschar *mime_anomaly_text = NULL;
1010 uschar *mime_boundary = NULL;
1011 uschar *mime_charset = NULL;
1012 uschar *mime_content_description = NULL;
1013 uschar *mime_content_disposition = NULL;
1014 uschar *mime_content_id = NULL;
1015 unsigned int mime_content_size = 0;
1016 uschar *mime_content_transfer_encoding = NULL;
1017 uschar *mime_content_type = NULL;
1018 uschar *mime_decoded_filename = NULL;
1019 uschar *mime_filename = NULL;
1020 int mime_is_multipart = 0;
1021 int mime_is_coverletter = 0;
1022 int mime_is_rfc822 = 0;
1023 int mime_part_count = -1;
1024 #endif
1025
1026 BOOL mua_wrapper = FALSE;
1027
1028 uid_t *never_users = NULL;
1029 #ifdef WITH_CONTENT_SCAN
1030 BOOL no_mbox_unspool = FALSE;
1031 #endif
1032 BOOL no_multiline_responses = FALSE;
1033
1034 const int on = 1; /* for setsockopt */
1035 const int off = 0;
1036
1037 uid_t original_euid;
1038 gid_t originator_gid;
1039 uschar *originator_login = NULL;
1040 uschar *originator_name = NULL;
1041 uid_t originator_uid;
1042 uschar *override_local_interfaces = NULL;
1043 uschar *override_pid_file_path = NULL;
1044
1045 BOOL parse_allow_group = FALSE;
1046 BOOL parse_found_group = FALSE;
1047 uschar *percent_hack_domains = NULL;
1048 uschar *pid_file_path = US PID_FILE_PATH
1049 "\0<--------------Space to patch pid_file_path->";
1050 BOOL pipelining_enable = TRUE;
1051 uschar *pipelining_advertise_hosts = US"*";
1052 BOOL preserve_message_logs = FALSE;
1053 uschar *primary_hostname = NULL;
1054 BOOL print_topbitchars = FALSE;
1055 uschar process_info[PROCESS_INFO_SIZE];
1056 int process_info_len = 0;
1057 uschar *process_log_path = NULL;
1058 BOOL prod_requires_admin = TRUE;
1059
1060 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1061 uschar *hosts_proxy = US"";
1062 uschar *proxy_external_address = US"";
1063 int proxy_external_port = 0;
1064 uschar *proxy_local_address = US"";
1065 int proxy_local_port = 0;
1066 BOOL proxy_session = FALSE;
1067 BOOL proxy_session_failed = FALSE;
1068 #endif
1069
1070 uschar *prvscheck_address = NULL;
1071 uschar *prvscheck_keynum = NULL;
1072 uschar *prvscheck_result = NULL;
1073
1074
1075 const uschar *qualify_domain_recipient = NULL;
1076 uschar *qualify_domain_sender = NULL;
1077 BOOL queue_2stage = FALSE;
1078 uschar *queue_domains = NULL;
1079 int queue_interval = -1;
1080 BOOL queue_list_requires_admin = TRUE;
1081 uschar *queue_name = US"";
1082 BOOL queue_only = FALSE;
1083 uschar *queue_only_file = NULL;
1084 int queue_only_load = -1;
1085 BOOL queue_only_load_latch = TRUE;
1086 BOOL queue_only_override = TRUE;
1087 BOOL queue_only_policy = FALSE;
1088 BOOL queue_run_first_delivery = FALSE;
1089 BOOL queue_run_force = FALSE;
1090 BOOL queue_run_in_order = FALSE;
1091 BOOL queue_run_local = FALSE;
1092 uschar *queue_run_max = US"5";
1093 pid_t queue_run_pid = (pid_t)0;
1094 int queue_run_pipe = -1;
1095 BOOL queue_running = FALSE;
1096 BOOL queue_smtp = FALSE;
1097 uschar *queue_smtp_domains = NULL;
1098
1099 unsigned int random_seed = 0;
1100 tree_node *ratelimiters_cmd = NULL;
1101 tree_node *ratelimiters_conn = NULL;
1102 tree_node *ratelimiters_mail = NULL;
1103 uschar *raw_active_hostname = NULL;
1104 uschar *raw_sender = NULL;
1105 uschar **raw_recipients = NULL;
1106 int raw_recipients_count = 0;
1107
1108 int rcpt_count = 0;
1109 int rcpt_fail_count = 0;
1110 int rcpt_defer_count = 0;
1111 gid_t real_gid;
1112 uid_t real_uid;
1113 BOOL really_exim = TRUE;
1114 BOOL receive_call_bombout = FALSE;
1115 int receive_linecount = 0;
1116 int receive_messagecount = 0;
1117 int receive_timeout = 0;
1118 int received_count = 0;
1119 uschar *received_for = NULL;
1120
1121 /* This is the default text for Received headers generated by Exim. The
1122 date will be automatically added on the end. */
1123
1124 uschar *received_header_text = US
1125 "Received: "
1126 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1127 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1128 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1129 "by $primary_hostname "
1130 "${if def:received_protocol {with $received_protocol}} "
1131 #ifdef SUPPORT_TLS
1132 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1133 #endif
1134 "(Exim $version_number)\n\t"
1135 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1136 "id $message_exim_id"
1137 "${if def:received_for {\n\tfor $received_for}}"
1138 "\0<---------------Space to patch received_header_text->";
1139
1140 int received_headers_max = 30;
1141 uschar *received_protocol = NULL;
1142 struct timeval received_time = { 0, 0 };
1143 struct timeval received_time_taken = { 0, 0 };
1144 uschar *recipient_data = NULL;
1145 uschar *recipient_unqualified_hosts = NULL;
1146 uschar *recipient_verify_failure = NULL;
1147 int recipients_count = 0;
1148 BOOL recipients_discarded = FALSE;
1149 recipient_item *recipients_list = NULL;
1150 int recipients_list_max = 0;
1151 int recipients_max = 0;
1152 BOOL recipients_max_reject = FALSE;
1153 const pcre *regex_AUTH = NULL;
1154 const pcre *regex_check_dns_names = NULL;
1155 const pcre *regex_From = NULL;
1156 const pcre *regex_IGNOREQUOTA = NULL;
1157 const pcre *regex_PIPELINING = NULL;
1158 const pcre *regex_SIZE = NULL;
1159 const pcre *regex_ismsgid = NULL;
1160 const pcre *regex_smtp_code = NULL;
1161 uschar *regex_vars[REGEX_VARS];
1162 #ifdef WHITELIST_D_MACROS
1163 const pcre *regex_whitelisted_macro = NULL;
1164 #endif
1165 #ifdef WITH_CONTENT_SCAN
1166 uschar *regex_match_string = NULL;
1167 #endif
1168 int remote_delivery_count = 0;
1169 int remote_max_parallel = 2;
1170 uschar *remote_sort_domains = NULL;
1171 int retry_data_expire = 7*24*60*60;
1172 int retry_interval_max = 24*60*60;
1173 int retry_maximum_timeout = 0; /* set from retry config */
1174 retry_config *retries = NULL;
1175 uschar *return_path = NULL;
1176 BOOL return_path_remove = TRUE;
1177 int rewrite_existflags = 0;
1178 uschar *rfc1413_hosts = US"@[]";
1179 int rfc1413_query_timeout = 0;
1180 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1181 uid_t root_gid = ROOT_GID;
1182 uid_t root_uid = ROOT_UID;
1183
1184 router_instance *routers = NULL;
1185 router_instance router_defaults = {
1186 .next = NULL,
1187 .name = NULL,
1188 .info = NULL,
1189 .options_block = NULL,
1190 .driver_name = NULL,
1191
1192 .address_data = NULL,
1193 #ifdef EXPERIMENTAL_BRIGHTMAIL
1194 .bmi_rule = NULL,
1195 #endif
1196 .cannot_route_message = NULL,
1197 .condition = NULL,
1198 .current_directory = NULL,
1199 .debug_string = NULL,
1200 .domains = NULL,
1201 .errors_to = NULL,
1202 .expand_gid = NULL,
1203 .expand_uid = NULL,
1204 .expand_more = NULL,
1205 .expand_unseen = NULL,
1206 .extra_headers = NULL,
1207 .fallback_hosts = NULL,
1208 .home_directory = NULL,
1209 .ignore_target_hosts = NULL,
1210 .local_parts = NULL,
1211 .pass_router_name = NULL,
1212 .prefix = NULL,
1213 .redirect_router_name = NULL,
1214 .remove_headers = NULL,
1215 .require_files = NULL,
1216 .router_home_directory = NULL,
1217 .self = US"freeze",
1218 .senders = NULL,
1219 .suffix = NULL,
1220 .translate_ip_address = NULL,
1221 .transport_name = NULL,
1222
1223 .address_test = TRUE,
1224 #ifdef EXPERIMENTAL_BRIGHTMAIL
1225 .bmi_deliver_alternate = FALSE,
1226 .bmi_deliver_default = FALSE,
1227 .bmi_dont_deliver = FALSE,
1228 #endif
1229 .expn = TRUE,
1230 .caseful_local_part = FALSE,
1231 .check_local_user = FALSE,
1232 .disable_logging = FALSE,
1233 .fail_verify_recipient = FALSE,
1234 .fail_verify_sender = FALSE,
1235 .gid_set = FALSE,
1236 .initgroups = FALSE,
1237 .log_as_local = TRUE_UNSET,
1238 .more = TRUE,
1239 .pass_on_timeout = FALSE,
1240 .prefix_optional = FALSE,
1241 .repeat_use = TRUE,
1242 .retry_use_local_part = TRUE_UNSET,
1243 .same_domain_copy_routing = FALSE,
1244 .self_rewrite = FALSE,
1245 .suffix_optional = FALSE,
1246 .verify_only = FALSE,
1247 .verify_recipient = TRUE,
1248 .verify_sender = TRUE,
1249 .uid_set = FALSE,
1250 .unseen = FALSE,
1251 .dsn_lasthop = FALSE,
1252
1253 .self_code = self_freeze,
1254 .uid = (uid_t)(-1),
1255 .gid = (gid_t)(-1),
1256
1257 .fallback_hostlist = NULL,
1258 .transport = NULL,
1259 .pass_router = NULL,
1260 .redirect_router = NULL,
1261
1262 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1263 };
1264
1265 uschar *router_name = NULL;
1266
1267 ip_address_item *running_interfaces = NULL;
1268 BOOL running_in_test_harness = FALSE;
1269
1270 /* This is a weird one. The following string gets patched in the binary by the
1271 script that sets up a copy of Exim for running in the test harness. It seems
1272 that compilers are now clever, and share constant strings if they can.
1273 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1274 make use of the end of this string in order to save space. So the patching then
1275 wrecks this. We defeat this optimization by adding some additional characters
1276 onto the end of the string. */
1277
1278 uschar *running_status = US">>>running<<<" "\0EXTRA";
1279
1280 int runrc = 0;
1281
1282 uschar *search_error_message = NULL;
1283 BOOL search_find_defer = FALSE;
1284 uschar *self_hostname = NULL;
1285 uschar *sender_address = NULL;
1286 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1287 uschar *sender_address_data = NULL;
1288 BOOL sender_address_forced = FALSE;
1289 uschar *sender_address_unrewritten = NULL;
1290 uschar *sender_data = NULL;
1291 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1292 uschar *sender_fullhost = NULL;
1293 BOOL sender_helo_dnssec = FALSE;
1294 uschar *sender_helo_name = NULL;
1295 uschar **sender_host_aliases = &no_aliases;
1296 uschar *sender_host_address = NULL;
1297 uschar *sender_host_authenticated = NULL;
1298 uschar *sender_host_auth_pubname = NULL;
1299 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1300 BOOL sender_host_dnssec = FALSE;
1301 uschar *sender_host_name = NULL;
1302 int sender_host_port = 0;
1303 BOOL sender_host_notsocket = FALSE;
1304 BOOL sender_host_unknown = FALSE;
1305 uschar *sender_ident = NULL;
1306 BOOL sender_local = FALSE;
1307 BOOL sender_name_forced = FALSE;
1308 uschar *sender_rate = NULL;
1309 uschar *sender_rate_limit = NULL;
1310 uschar *sender_rate_period = NULL;
1311 uschar *sender_rcvhost = NULL;
1312 BOOL sender_set_untrusted = FALSE;
1313 uschar *sender_unqualified_hosts = NULL;
1314 uschar *sender_verify_failure = NULL;
1315 address_item *sender_verified_list = NULL;
1316 address_item *sender_verified_failed = NULL;
1317 int sender_verified_rc = -1;
1318 BOOL sender_verified_responded = FALSE;
1319 uschar *sending_ip_address = NULL;
1320 int sending_port = -1;
1321 SIGNAL_BOOL sigalrm_seen = FALSE;
1322 uschar **sighup_argv = NULL;
1323 int slow_lookup_log = 0; /* millisecs, zero disables */
1324 int smtp_accept_count = 0;
1325 BOOL smtp_accept_keepalive = TRUE;
1326 int smtp_accept_max = 20;
1327 int smtp_accept_max_nonmail= 10;
1328 uschar *smtp_accept_max_nonmail_hosts = US"*";
1329 int smtp_accept_max_per_connection = 1000;
1330 uschar *smtp_accept_max_per_host = NULL;
1331 int smtp_accept_queue = 0;
1332 int smtp_accept_queue_per_connection = 10;
1333 int smtp_accept_reserve = 0;
1334 uschar *smtp_active_hostname = NULL;
1335 BOOL smtp_authenticated = FALSE;
1336 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1337 "Exim $version_number $tod_full"
1338 "\0<---------------Space to patch smtp_banner->";
1339 BOOL smtp_batched_input = FALSE;
1340 BOOL smtp_check_spool_space = TRUE;
1341 int smtp_ch_index = 0;
1342 uschar *smtp_cmd_argument = NULL;
1343 uschar *smtp_cmd_buffer = NULL;
1344 struct timeval smtp_connection_start = {0,0};
1345 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1346 int smtp_connect_backlog = 20;
1347 double smtp_delay_mail = 0.0;
1348 double smtp_delay_rcpt = 0.0;
1349 BOOL smtp_enforce_sync = TRUE;
1350 FILE *smtp_in = NULL;
1351 BOOL smtp_input = FALSE;
1352 int smtp_load_reserve = -1;
1353 int smtp_mailcmd_count = 0;
1354 FILE *smtp_out = NULL;
1355 uschar *smtp_etrn_command = NULL;
1356 BOOL smtp_etrn_serialize = TRUE;
1357 int smtp_max_synprot_errors= 3;
1358 int smtp_max_unknown_commands = 3;
1359 uschar *smtp_notquit_reason = NULL;
1360 uschar *smtp_ratelimit_hosts = NULL;
1361 uschar *smtp_ratelimit_mail = NULL;
1362 uschar *smtp_ratelimit_rcpt = NULL;
1363 uschar *smtp_read_error = US"";
1364 int smtp_receive_timeout = 5*60;
1365 uschar *smtp_receive_timeout_s = NULL;
1366 uschar *smtp_reserve_hosts = NULL;
1367 BOOL smtp_return_error_details = FALSE;
1368 int smtp_rlm_base = 0;
1369 double smtp_rlm_factor = 0.0;
1370 int smtp_rlm_limit = 0;
1371 int smtp_rlm_threshold = INT_MAX;
1372 int smtp_rlr_base = 0;
1373 double smtp_rlr_factor = 0.0;
1374 int smtp_rlr_limit = 0;
1375 int smtp_rlr_threshold = INT_MAX;
1376 unsigned smtp_peer_options = 0;
1377 unsigned smtp_peer_options_wrap= 0;
1378 #ifdef SUPPORT_I18N
1379 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1380 #endif
1381
1382 #ifdef WITH_CONTENT_SCAN
1383 uschar *spamd_address = US"127.0.0.1 783";
1384 uschar *spam_bar = NULL;
1385 uschar *spam_report = NULL;
1386 uschar *spam_action = NULL;
1387 uschar *spam_score = NULL;
1388 uschar *spam_score_int = NULL;
1389 #endif
1390 #ifdef SUPPORT_SPF
1391 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1392 uschar *spf_header_comment = NULL;
1393 uschar *spf_received = NULL;
1394 uschar *spf_result = NULL;
1395 BOOL spf_result_guessed = FALSE;
1396 uschar *spf_smtp_comment = NULL;
1397 #endif
1398
1399 BOOL split_spool_directory = FALSE;
1400 FILE *spool_data_file = NULL;
1401 uschar *spool_directory = US SPOOL_DIRECTORY
1402 "\0<--------------Space to patch spool_directory->";
1403 BOOL spool_file_wireformat = FALSE;
1404 BOOL spool_wireformat = FALSE;
1405 #ifdef EXPERIMENTAL_SRS
1406 uschar *srs_config = NULL;
1407 uschar *srs_db_address = NULL;
1408 uschar *srs_db_key = NULL;
1409 int srs_hashlength = 6;
1410 int srs_hashmin = -1;
1411 int srs_maxage = 31;
1412 uschar *srs_orig_recipient = NULL;
1413 uschar *srs_orig_sender = NULL;
1414 uschar *srs_recipient = NULL;
1415 uschar *srs_secrets = NULL;
1416 uschar *srs_status = NULL;
1417 BOOL srs_usehash = TRUE;
1418 BOOL srs_usetimestamp = TRUE;
1419 #endif
1420 BOOL strict_acl_vars = FALSE;
1421 int string_datestamp_offset= -1;
1422 int string_datestamp_length= 0;
1423 int string_datestamp_type = -1;
1424 BOOL strip_excess_angle_brackets = FALSE;
1425 BOOL strip_trailing_dot = FALSE;
1426 uschar *submission_domain = NULL;
1427 BOOL submission_mode = FALSE;
1428 uschar *submission_name = NULL;
1429 BOOL suppress_local_fixups = FALSE;
1430 BOOL suppress_local_fixups_default = FALSE;
1431 BOOL synchronous_delivery = FALSE;
1432 BOOL syslog_duplication = TRUE;
1433 int syslog_facility = LOG_MAIL;
1434 BOOL syslog_pid = TRUE;
1435 uschar *syslog_processname = US"exim";
1436 BOOL syslog_timestamp = TRUE;
1437 uschar *system_filter = NULL;
1438
1439 uschar *system_filter_directory_transport = NULL;
1440 uschar *system_filter_file_transport = NULL;
1441 uschar *system_filter_pipe_transport = NULL;
1442 uschar *system_filter_reply_transport = NULL;
1443
1444 gid_t system_filter_gid = 0;
1445 BOOL system_filter_gid_set = FALSE;
1446 uid_t system_filter_uid = (uid_t)-1;
1447 BOOL system_filter_uid_set = FALSE;
1448 BOOL system_filtering = FALSE;
1449
1450 BOOL tcp_fastopen_ok = FALSE;
1451 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1452 BOOL tcp_in_fastopen = FALSE;
1453 BOOL tcp_in_fastopen_logged = FALSE;
1454 BOOL tcp_nodelay = TRUE;
1455 int tcp_out_fastopen = 0;
1456 BOOL tcp_out_fastopen_logged= FALSE;
1457 #ifdef USE_TCP_WRAPPERS
1458 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1459 #endif
1460 int test_harness_load_avg = 0;
1461 int thismessage_size_limit = 0;
1462 int timeout_frozen_after = 0;
1463 BOOL timestamps_utc = FALSE;
1464
1465 transport_instance *transports = NULL;
1466
1467 transport_instance transport_defaults = {
1468 .next = NULL,
1469 .name = NULL,
1470 .info = NULL,
1471 .options_block = NULL,
1472 .driver_name = NULL,
1473 .setup = NULL,
1474 .batch_max = 1,
1475 .batch_id = NULL,
1476 .home_dir = NULL,
1477 .current_dir = NULL,
1478 .expand_multi_domain = NULL,
1479 .multi_domain = TRUE,
1480 .overrides_hosts = FALSE,
1481 .max_addresses = 100,
1482 .connection_max_messages = 500,
1483 .deliver_as_creator = FALSE,
1484 .disable_logging = FALSE,
1485 .initgroups = FALSE,
1486 .uid_set = FALSE,
1487 .gid_set = FALSE,
1488 .uid = (uid_t)(-1),
1489 .gid = (gid_t)(-1),
1490 .expand_uid = NULL,
1491 .expand_gid = NULL,
1492 .warn_message = NULL,
1493 .shadow = NULL,
1494 .shadow_condition = NULL,
1495 .filter_command = NULL,
1496 .add_headers = NULL,
1497 .remove_headers = NULL,
1498 .return_path = NULL,
1499 .debug_string = NULL,
1500 .max_parallel = NULL,
1501 .message_size_limit = NULL,
1502 .headers_rewrite = NULL,
1503 .rewrite_rules = NULL,
1504 .rewrite_existflags = 0,
1505 .filter_timeout = 300,
1506 .body_only = FALSE,
1507 .delivery_date_add = FALSE,
1508 .envelope_to_add = FALSE,
1509 .headers_only = FALSE,
1510 .rcpt_include_affixes = FALSE,
1511 .return_path_add = FALSE,
1512 .return_output = FALSE,
1513 .return_fail_output = FALSE,
1514 .log_output = FALSE,
1515 .log_fail_output = FALSE,
1516 .log_defer_output = FALSE,
1517 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1518 1 nor 0 so can detect unset */
1519 #ifndef DISABLE_EVENT
1520 .event_action = NULL
1521 #endif
1522 };
1523
1524 int transport_count;
1525 uschar *transport_name = NULL;
1526 int transport_newlines;
1527 const uschar **transport_filter_argv = NULL;
1528 int transport_filter_timeout;
1529 BOOL transport_filter_timed_out = FALSE;
1530 int transport_write_timeout= 0;
1531
1532 tree_node *tree_dns_fails = NULL;
1533 tree_node *tree_duplicates = NULL;
1534 tree_node *tree_nonrecipients = NULL;
1535 tree_node *tree_unusable = NULL;
1536
1537 BOOL trusted_caller = FALSE;
1538 BOOL trusted_config = TRUE;
1539 gid_t *trusted_groups = NULL;
1540 uid_t *trusted_users = NULL;
1541 uschar *timezone_string = US TIMEZONE_DEFAULT;
1542
1543 uschar *unknown_login = NULL;
1544 uschar *unknown_username = NULL;
1545 uschar *untrusted_set_sender = NULL;
1546
1547 /* A regex for matching a "From_" line in an incoming message, in the form
1548
1549 From ph10 Fri Jan 5 12:35 GMT 1996
1550
1551 which the "mail" commands send to the MTA (undocumented, of course), or in
1552 the form
1553
1554 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1555
1556 which is apparently used by some UUCPs, despite it not being in RFC 976.
1557 Because of variations in time formats, just match up to the minutes. That
1558 should be sufficient. Examples have been seen of time fields like 12:1:03,
1559 so just require one digit for hours and minutes. The weekday is also absent
1560 in some forms. */
1561
1562 uschar *uucp_from_pattern = US
1563 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1564 "(?:" /* Non-extracting bracket */
1565 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1566 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1567 ")" /* End alternation */
1568 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1569
1570 uschar *uucp_from_sender = US"$1";
1571
1572 uschar *verify_mode = NULL;
1573 uschar *version_copyright =
1574 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1575 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1576 uschar *version_date = US"?";
1577 uschar *version_cnumber = US"????";
1578 uschar *version_string = US"?";
1579
1580 uschar *warn_message_file = NULL;
1581 int warning_count = 0;
1582 uschar *warnmsg_delay = NULL;
1583 uschar *warnmsg_recipients = NULL;
1584 BOOL write_rejectlog = TRUE;
1585
1586
1587 /* End of globals.c */
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