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Compiler quietening
[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 #endif
431
432 uschar *authenticated_fail_id = NULL;
433 uschar *authenticated_id = NULL;
434 uschar *authenticated_sender = NULL;
435 BOOL authentication_failed = FALSE;
436 auth_instance *auths = NULL;
437 uschar *auth_advertise_hosts = US"*";
438 auth_instance auth_defaults = {
439 .next = NULL,
440 .name = NULL,
441 .info = NULL,
442 .options_block = NULL,
443 .driver_name = NULL,
444 .advertise_condition = NULL,
445 .client_condition = NULL,
446 .public_name = NULL,
447 .set_id = NULL,
448 .set_client_id = NULL,
449 .mail_auth_condition = NULL,
450 .server_debug_string = NULL,
451 .server_condition = NULL,
452 .client = FALSE,
453 .server = FALSE,
454 .advertised = FALSE
455 };
456
457 uschar *auth_defer_msg = US"reason not recorded";
458 uschar *auth_defer_user_msg = US"";
459 uschar *auth_vars[AUTH_VARS];
460 int auto_thaw = 0;
461 #ifdef WITH_CONTENT_SCAN
462 BOOL av_failed = FALSE;
463 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
464 #endif
465
466 BOOL background_daemon = TRUE;
467
468 #if BASE_62 == 62
469 uschar *base62_chars=
470 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
471 #else
472 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
473 #endif
474
475 uschar *bi_command = NULL;
476 uschar *big_buffer = NULL;
477 int big_buffer_size = BIG_BUFFER_SIZE;
478 #ifdef EXPERIMENTAL_BRIGHTMAIL
479 uschar *bmi_alt_location = NULL;
480 uschar *bmi_base64_tracker_verdict = NULL;
481 uschar *bmi_base64_verdict = NULL;
482 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
483 int bmi_deliver = 1;
484 int bmi_run = 0;
485 uschar *bmi_verdicts = NULL;
486 #endif
487 int bsmtp_transaction_linecount = 0;
488 int body_8bitmime = 0;
489 int body_linecount = 0;
490 int body_zerocount = 0;
491 uschar *bounce_message_file = NULL;
492 uschar *bounce_message_text = NULL;
493 uschar *bounce_recipient = NULL;
494 BOOL bounce_return_body = TRUE;
495 int bounce_return_linesize_limit = 998;
496 BOOL bounce_return_message = TRUE;
497 int bounce_return_size_limit = 100*1024;
498 uschar *bounce_sender_authentication = NULL;
499
500 uschar *callout_address = NULL;
501 int callout_cache_domain_positive_expire = 7*24*60*60;
502 int callout_cache_domain_negative_expire = 3*60*60;
503 int callout_cache_positive_expire = 24*60*60;
504 int callout_cache_negative_expire = 2*60*60;
505 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
506 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
507 int check_log_inodes = 100;
508 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
509 BOOL check_rfc2047_length = TRUE;
510 int check_spool_inodes = 100;
511 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
512
513 uschar *chunking_advertise_hosts = US"*";
514 unsigned chunking_datasize = 0;
515 unsigned chunking_data_left = 0;
516 BOOL chunking_offered = FALSE;
517 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
518 const pcre *regex_CHUNKING = NULL;
519
520 uschar *client_authenticator = NULL;
521 uschar *client_authenticated_id = NULL;
522 uschar *client_authenticated_sender = NULL;
523 int clmacro_count = 0;
524 uschar *clmacros[MAX_CLMACROS];
525 BOOL commandline_checks_require_admin = FALSE;
526 BOOL config_changed = FALSE;
527 FILE *config_file = NULL;
528 const uschar *config_filename = NULL;
529 int config_lineno = 0;
530 #ifdef CONFIGURE_GROUP
531 gid_t config_gid = CONFIGURE_GROUP;
532 #else
533 gid_t config_gid = 0;
534 #endif
535 uschar *config_main_filelist = US CONFIGURE_FILE
536 "\0<-----------Space to patch configure_filename->";
537 uschar *config_main_filename = NULL;
538 uschar *config_main_directory = NULL;
539
540 #ifdef CONFIGURE_OWNER
541 uid_t config_uid = CONFIGURE_OWNER;
542 #else
543 uid_t config_uid = 0;
544 #endif
545
546 int connection_max_messages= -1;
547 uschar *continue_proxy_cipher = NULL;
548 uschar *continue_hostname = NULL;
549 uschar *continue_host_address = NULL;
550 BOOL continue_more = FALSE;
551 int continue_sequence = 1;
552 uschar *continue_transport = NULL;
553
554 uschar *csa_status = NULL;
555 cut_t cutthrough = {
556 .callout_hold_only = FALSE, /* verify-only: normal delivery */
557 .delivery = FALSE, /* when to attempt */
558 .defer_pass = FALSE, /* on defer: spool locally */
559 .is_tls = FALSE, /* not a TLS conn yet */
560 .fd = -1, /* open connection */
561 .nrcpt = 0, /* number of addresses */
562 };
563
564 BOOL daemon_listen = FALSE;
565 uschar *daemon_smtp_port = US"smtp";
566 int daemon_startup_retries = 9;
567 int daemon_startup_sleep = 30;
568
569 #ifdef EXPERIMENTAL_DCC
570 BOOL dcc_direct_add_header = FALSE;
571 uschar *dcc_header = NULL;
572 uschar *dcc_result = NULL;
573 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
574 uschar *dccifd_options = US"header";
575 #endif
576
577 BOOL debug_daemon = FALSE;
578 int debug_fd = -1;
579 FILE *debug_file = NULL;
580 int debug_notall[] = {
581 Di_memory,
582 -1
583 };
584 bit_table debug_options[] = { /* must be in alphabetical order */
585 BIT_TABLE(D, acl),
586 BIT_TABLE(D, all),
587 BIT_TABLE(D, auth),
588 BIT_TABLE(D, deliver),
589 BIT_TABLE(D, dns),
590 BIT_TABLE(D, dnsbl),
591 BIT_TABLE(D, exec),
592 BIT_TABLE(D, expand),
593 BIT_TABLE(D, filter),
594 BIT_TABLE(D, hints_lookup),
595 BIT_TABLE(D, host_lookup),
596 BIT_TABLE(D, ident),
597 BIT_TABLE(D, interface),
598 BIT_TABLE(D, lists),
599 BIT_TABLE(D, load),
600 BIT_TABLE(D, local_scan),
601 BIT_TABLE(D, lookup),
602 BIT_TABLE(D, memory),
603 BIT_TABLE(D, pid),
604 BIT_TABLE(D, process_info),
605 BIT_TABLE(D, queue_run),
606 BIT_TABLE(D, receive),
607 BIT_TABLE(D, resolver),
608 BIT_TABLE(D, retry),
609 BIT_TABLE(D, rewrite),
610 BIT_TABLE(D, route),
611 BIT_TABLE(D, timestamp),
612 BIT_TABLE(D, tls),
613 BIT_TABLE(D, transport),
614 BIT_TABLE(D, uid),
615 BIT_TABLE(D, verify),
616 };
617 int debug_options_count = nelem(debug_options);
618
619 unsigned int debug_selector = 0;
620 BOOL debug_store = FALSE;
621 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
622 uschar *delay_warning_condition=
623 US"${if or {"
624 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
625 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
626 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
627 "} {no}{yes}}";
628 BOOL delivery_date_remove = TRUE;
629 uschar *deliver_address_data = NULL;
630 int deliver_datafile = -1;
631 const uschar *deliver_domain = NULL;
632 uschar *deliver_domain_data = NULL;
633 const uschar *deliver_domain_orig = NULL;
634 const uschar *deliver_domain_parent = NULL;
635 BOOL deliver_drop_privilege = FALSE;
636 BOOL deliver_firsttime = FALSE;
637 BOOL deliver_force = FALSE;
638 BOOL deliver_freeze = FALSE;
639 time_t deliver_frozen_at = 0;
640 uschar *deliver_home = NULL;
641 const uschar *deliver_host = NULL;
642 const uschar *deliver_host_address = NULL;
643 int deliver_host_port = 0;
644 uschar *deliver_in_buffer = NULL;
645 ino_t deliver_inode = 0;
646 uschar *deliver_localpart = NULL;
647 uschar *deliver_localpart_data = NULL;
648 uschar *deliver_localpart_orig = NULL;
649 uschar *deliver_localpart_parent = NULL;
650 uschar *deliver_localpart_prefix = NULL;
651 uschar *deliver_localpart_suffix = NULL;
652 BOOL deliver_force_thaw = FALSE;
653 BOOL deliver_manual_thaw = FALSE;
654 uschar *deliver_out_buffer = NULL;
655 int deliver_queue_load_max = -1;
656 address_item *deliver_recipients = NULL;
657 uschar *deliver_selectstring = NULL;
658 BOOL deliver_selectstring_regex = FALSE;
659 uschar *deliver_selectstring_sender = NULL;
660 BOOL deliver_selectstring_sender_regex = FALSE;
661 BOOL disable_callout_flush = FALSE;
662 BOOL disable_delay_flush = FALSE;
663 #ifdef ENABLE_DISABLE_FSYNC
664 BOOL disable_fsync = FALSE;
665 #endif
666 BOOL disable_ipv6 = FALSE;
667 BOOL disable_logging = FALSE;
668
669 #ifndef DISABLE_DKIM
670 BOOL dkim_collect_input = FALSE;
671 uschar *dkim_cur_signer = NULL;
672 BOOL dkim_disable_verify = FALSE;
673 int dkim_key_length = 0;
674 uschar *dkim_signers = NULL;
675 uschar *dkim_signing_domain = NULL;
676 uschar *dkim_signing_selector = NULL;
677 uschar *dkim_verify_overall = NULL;
678 uschar *dkim_verify_signers = US"$dkim_signers";
679 uschar *dkim_verify_status = NULL;
680 uschar *dkim_verify_reason = NULL;
681 #endif
682 #ifdef EXPERIMENTAL_DMARC
683 BOOL dmarc_has_been_checked = FALSE;
684 uschar *dmarc_ar_header = NULL;
685 uschar *dmarc_domain_policy = NULL;
686 uschar *dmarc_forensic_sender = NULL;
687 uschar *dmarc_history_file = NULL;
688 uschar *dmarc_status = NULL;
689 uschar *dmarc_status_text = NULL;
690 uschar *dmarc_tld_file = NULL;
691 uschar *dmarc_used_domain = NULL;
692 BOOL dmarc_disable_verify = FALSE;
693 BOOL dmarc_enable_forensic = FALSE;
694 #endif
695
696 uschar *dns_again_means_nonexist = NULL;
697 int dns_csa_search_limit = 5;
698 BOOL dns_csa_use_reverse = TRUE;
699 #ifdef SUPPORT_DANE
700 int dns_dane_ok = -1;
701 #endif
702 uschar *dns_ipv4_lookup = NULL;
703 int dns_retrans = 0;
704 int dns_retry = 0;
705 int dns_dnssec_ok = -1; /* <0 = not coerced */
706 uschar *dns_trust_aa = NULL;
707 int dns_use_edns0 = -1; /* <0 = not coerced */
708 uschar *dnslist_domain = NULL;
709 uschar *dnslist_matched = NULL;
710 uschar *dnslist_text = NULL;
711 uschar *dnslist_value = NULL;
712 tree_node *domainlist_anchor = NULL;
713 int domainlist_count = 0;
714 BOOL dont_deliver = FALSE;
715 BOOL dot_ends = TRUE;
716 BOOL drop_cr = FALSE; /* No longer used */
717 uschar *dsn_from = US DEFAULT_DSN_FROM;
718
719 BOOL enable_dollar_recipients = FALSE;
720 BOOL envelope_to_remove = TRUE;
721 int errno_quota = ERRNO_QUOTA;
722 uschar *errors_copy = NULL;
723 int error_handling = ERRORS_SENDER;
724 uschar *errors_reply_to = NULL;
725 int errors_sender_rc = EXIT_FAILURE;
726 #ifndef DISABLE_EVENT
727 uschar *event_action = NULL; /* expansion for delivery events */
728 uschar *event_data = NULL; /* auxiliary data variable for event */
729 int event_defer_errno = 0;
730 const uschar *event_name = NULL; /* event name variable */
731 #endif
732
733
734 gid_t exim_gid = EXIM_GID;
735 BOOL exim_gid_set = TRUE; /* This gid is always set */
736 uschar *exim_path = US BIN_DIRECTORY "/exim"
737 "\0<---------------Space to patch exim_path->";
738 uid_t exim_uid = EXIM_UID;
739 BOOL exim_uid_set = TRUE; /* This uid is always set */
740 int expand_level = 0; /* Nesting depth, indent for debug */
741 int expand_forbid = 0;
742 int expand_nlength[EXPAND_MAXN+1];
743 int expand_nmax = -1;
744 uschar *expand_nstring[EXPAND_MAXN+1];
745 BOOL expand_string_forcedfail = FALSE;
746 uschar *expand_string_message;
747 BOOL extract_addresses_remove_arguments = TRUE;
748 uschar *extra_local_interfaces = NULL;
749
750 int fake_response = OK;
751 uschar *fake_response_text = US"Your message has been rejected but is "
752 "being kept for evaluation.\nIf it was a "
753 "legitimate message, it may still be "
754 "delivered to the target recipient(s).";
755 int filter_n[FILTER_VARIABLE_COUNT];
756 BOOL filter_running = FALSE;
757 int filter_sn[FILTER_VARIABLE_COUNT];
758 int filter_test = FTEST_NONE;
759 uschar *filter_test_sfile = NULL;
760 uschar *filter_test_ufile = NULL;
761 uschar *filter_thisaddress = NULL;
762 int finduser_retries = 0;
763 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
764 uschar *freeze_tell = NULL;
765 uschar *freeze_tell_config = NULL;
766 uschar *fudged_queue_times = US"";
767
768 uschar *gecos_name = NULL;
769 uschar *gecos_pattern = NULL;
770 rewrite_rule *global_rewrite_rules = NULL;
771
772 uschar *headers_charset = US HEADERS_CHARSET;
773 int header_insert_maxlen = 64 * 1024;
774 header_line *header_last = NULL;
775 header_line *header_list = NULL;
776 int header_maxsize = HEADER_MAXSIZE;
777 int header_line_maxsize = 0;
778
779 header_name header_names[] = {
780 /* name len allow_resent htype */
781 { US"bcc", 3, TRUE, htype_bcc },
782 { US"cc", 2, TRUE, htype_cc },
783 { US"date", 4, TRUE, htype_date },
784 { US"delivery-date", 13, FALSE, htype_delivery_date },
785 { US"envelope-to", 11, FALSE, htype_envelope_to },
786 { US"from", 4, TRUE, htype_from },
787 { US"message-id", 10, TRUE, htype_id },
788 { US"received", 8, FALSE, htype_received },
789 { US"reply-to", 8, FALSE, htype_reply_to },
790 { US"return-path", 11, FALSE, htype_return_path },
791 { US"sender", 6, TRUE, htype_sender },
792 { US"subject", 7, FALSE, htype_subject },
793 { US"to", 2, TRUE, htype_to }
794 };
795
796 int header_names_size = nelem(header_names);
797
798 BOOL header_rewritten = FALSE;
799 uschar *helo_accept_junk_hosts = NULL;
800 uschar *helo_allow_chars = US"";
801 uschar *helo_lookup_domains = US"@ : @[]";
802 uschar *helo_try_verify_hosts = NULL;
803 BOOL helo_verified = FALSE;
804 BOOL helo_verify_failed = FALSE;
805 uschar *helo_verify_hosts = NULL;
806 const uschar *hex_digits = CUS"0123456789abcdef";
807 uschar *hold_domains = NULL;
808 BOOL host_checking = FALSE;
809 BOOL host_checking_callout = FALSE;
810 uschar *host_data = NULL;
811 BOOL host_find_failed_syntax= FALSE;
812 uschar *host_lookup = NULL;
813 BOOL host_lookup_deferred = FALSE;
814 BOOL host_lookup_failed = FALSE;
815 uschar *host_lookup_order = US"bydns:byaddr";
816 uschar *host_lookup_msg = US"";
817 int host_number = 0;
818 uschar *host_number_string = NULL;
819 uschar *host_reject_connection = NULL;
820 tree_node *hostlist_anchor = NULL;
821 int hostlist_count = 0;
822 uschar *hosts_treat_as_local = NULL;
823 uschar *hosts_connection_nolog = NULL;
824
825 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
826 BOOL ignore_fromline_local = FALSE;
827 uschar *ignore_fromline_hosts = NULL;
828 BOOL inetd_wait_mode = FALSE;
829 int inetd_wait_timeout = -1;
830 uschar *initial_cwd = NULL;
831 uschar *interface_address = NULL;
832 int interface_port = -1;
833 BOOL is_inetd = FALSE;
834 uschar *iterate_item = NULL;
835
836 int journal_fd = -1;
837
838 uschar *keep_environment = NULL;
839
840 int keep_malformed = 4*24*60*60; /* 4 days */
841
842 uschar *eldap_dn = NULL;
843 int load_average = -2;
844 BOOL local_error_message = FALSE;
845 BOOL local_from_check = TRUE;
846 uschar *local_from_prefix = NULL;
847 uschar *local_from_suffix = NULL;
848
849 #if HAVE_IPV6
850 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
851 #else
852 uschar *local_interfaces = US"0.0.0.0";
853 #endif
854
855 uschar *local_scan_data = NULL;
856 int local_scan_timeout = 5*60;
857 BOOL local_sender_retain = FALSE;
858 gid_t local_user_gid = (gid_t)(-1);
859 uid_t local_user_uid = (uid_t)(-1);
860
861 tree_node *localpartlist_anchor= NULL;
862 int localpartlist_count = 0;
863 uschar *log_buffer = NULL;
864
865 int log_default[] = { /* for initializing log_selector */
866 Li_acl_warn_skipped,
867 Li_connection_reject,
868 Li_delay_delivery,
869 Li_dkim,
870 Li_dnslist_defer,
871 Li_etrn,
872 Li_host_lookup_failed,
873 Li_lost_incoming_connection,
874 Li_outgoing_interface, /* see d_log_interface in deliver.c */
875 Li_queue_run,
876 Li_rejected_header,
877 Li_retry_defer,
878 Li_sender_verify_fail,
879 Li_size_reject,
880 Li_skip_delivery,
881 Li_smtp_confirmation,
882 Li_tls_certificate_verified,
883 Li_tls_cipher,
884 -1
885 };
886
887 uschar *log_file_path = US LOG_FILE_PATH
888 "\0<--------------Space to patch log_file_path->";
889
890 int log_notall[] = {
891 -1
892 };
893 bit_table log_options[] = { /* must be in alphabetical order */
894 BIT_TABLE(L, 8bitmime),
895 BIT_TABLE(L, acl_warn_skipped),
896 BIT_TABLE(L, address_rewrite),
897 BIT_TABLE(L, all),
898 BIT_TABLE(L, all_parents),
899 BIT_TABLE(L, arguments),
900 BIT_TABLE(L, connection_reject),
901 BIT_TABLE(L, delay_delivery),
902 BIT_TABLE(L, deliver_time),
903 BIT_TABLE(L, delivery_size),
904 #ifndef DISABLE_DKIM
905 BIT_TABLE(L, dkim),
906 BIT_TABLE(L, dkim_verbose),
907 #endif
908 BIT_TABLE(L, dnslist_defer),
909 BIT_TABLE(L, dnssec),
910 BIT_TABLE(L, etrn),
911 BIT_TABLE(L, host_lookup_failed),
912 BIT_TABLE(L, ident_timeout),
913 BIT_TABLE(L, incoming_interface),
914 BIT_TABLE(L, incoming_port),
915 BIT_TABLE(L, lost_incoming_connection),
916 BIT_TABLE(L, millisec),
917 BIT_TABLE(L, outgoing_interface),
918 BIT_TABLE(L, outgoing_port),
919 BIT_TABLE(L, pid),
920 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
921 BIT_TABLE(L, proxy),
922 #endif
923 BIT_TABLE(L, queue_run),
924 BIT_TABLE(L, queue_time),
925 BIT_TABLE(L, queue_time_overall),
926 BIT_TABLE(L, receive_time),
927 BIT_TABLE(L, received_recipients),
928 BIT_TABLE(L, received_sender),
929 BIT_TABLE(L, rejected_header),
930 { US"rejected_headers", Li_rejected_header },
931 BIT_TABLE(L, retry_defer),
932 BIT_TABLE(L, return_path_on_delivery),
933 BIT_TABLE(L, sender_on_delivery),
934 BIT_TABLE(L, sender_verify_fail),
935 BIT_TABLE(L, size_reject),
936 BIT_TABLE(L, skip_delivery),
937 BIT_TABLE(L, smtp_confirmation),
938 BIT_TABLE(L, smtp_connection),
939 BIT_TABLE(L, smtp_incomplete_transaction),
940 BIT_TABLE(L, smtp_mailauth),
941 BIT_TABLE(L, smtp_no_mail),
942 BIT_TABLE(L, smtp_protocol_error),
943 BIT_TABLE(L, smtp_syntax_error),
944 BIT_TABLE(L, subject),
945 BIT_TABLE(L, tls_certificate_verified),
946 BIT_TABLE(L, tls_cipher),
947 BIT_TABLE(L, tls_peerdn),
948 BIT_TABLE(L, tls_sni),
949 BIT_TABLE(L, unknown_in_list),
950 };
951 int log_options_count = nelem(log_options);
952
953 int log_reject_target = 0;
954 unsigned int log_selector[log_selector_size]; /* initialized in main() */
955 uschar *log_selector_string = NULL;
956 FILE *log_stderr = NULL;
957 BOOL log_testing_mode = FALSE;
958 BOOL log_timezone = FALSE;
959 uschar *login_sender_address = NULL;
960 uschar *lookup_dnssec_authenticated = NULL;
961 int lookup_open_max = 25;
962 uschar *lookup_value = NULL;
963
964 macro_item *macros_user = NULL;
965 uschar *mailstore_basename = NULL;
966 #ifdef WITH_CONTENT_SCAN
967 uschar *malware_name = NULL; /* Virus Name */
968 #endif
969 int max_received_linelength= 0;
970 int max_username_length = 0;
971 int message_age = 0;
972 uschar *message_body = NULL;
973 uschar *message_body_end = NULL;
974 BOOL message_body_newlines = FALSE;
975 int message_body_size = 0;
976 int message_body_visible = 500;
977 int message_ended = END_NOTSTARTED;
978 uschar *message_headers = NULL;
979 uschar *message_id;
980 uschar *message_id_domain = NULL;
981 uschar *message_id_text = NULL;
982 struct timeval message_id_tv = { 0, 0 };
983 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
984 uschar *message_id_external;
985 int message_linecount = 0;
986 BOOL message_logs = TRUE;
987 int message_size = 0;
988 uschar *message_size_limit = US"50M";
989 #ifdef SUPPORT_I18N
990 BOOL message_smtputf8 = FALSE;
991 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
992 #endif
993 uschar message_subdir[2] = { 0, 0 };
994 uschar *message_reference = NULL;
995
996 /* MIME ACL expandables */
997 #ifdef WITH_CONTENT_SCAN
998 int mime_anomaly_level = 0;
999 const uschar *mime_anomaly_text = NULL;
1000 uschar *mime_boundary = NULL;
1001 uschar *mime_charset = NULL;
1002 uschar *mime_content_description = NULL;
1003 uschar *mime_content_disposition = NULL;
1004 uschar *mime_content_id = NULL;
1005 unsigned int mime_content_size = 0;
1006 uschar *mime_content_transfer_encoding = NULL;
1007 uschar *mime_content_type = NULL;
1008 uschar *mime_decoded_filename = NULL;
1009 uschar *mime_filename = NULL;
1010 int mime_is_multipart = 0;
1011 int mime_is_coverletter = 0;
1012 int mime_is_rfc822 = 0;
1013 int mime_part_count = -1;
1014 #endif
1015
1016 BOOL mua_wrapper = FALSE;
1017
1018 uid_t *never_users = NULL;
1019 #ifdef WITH_CONTENT_SCAN
1020 BOOL no_mbox_unspool = FALSE;
1021 #endif
1022 BOOL no_multiline_responses = FALSE;
1023
1024 const int on = 1; /* for setsockopt */
1025 const int off = 0;
1026
1027 uid_t original_euid;
1028 gid_t originator_gid;
1029 uschar *originator_login = NULL;
1030 uschar *originator_name = NULL;
1031 uid_t originator_uid;
1032 uschar *override_local_interfaces = NULL;
1033 uschar *override_pid_file_path = NULL;
1034
1035 BOOL parse_allow_group = FALSE;
1036 BOOL parse_found_group = FALSE;
1037 uschar *percent_hack_domains = NULL;
1038 uschar *pid_file_path = US PID_FILE_PATH
1039 "\0<--------------Space to patch pid_file_path->";
1040 BOOL pipelining_enable = TRUE;
1041 uschar *pipelining_advertise_hosts = US"*";
1042 BOOL preserve_message_logs = FALSE;
1043 uschar *primary_hostname = NULL;
1044 BOOL print_topbitchars = FALSE;
1045 uschar process_info[PROCESS_INFO_SIZE];
1046 int process_info_len = 0;
1047 uschar *process_log_path = NULL;
1048 BOOL prod_requires_admin = TRUE;
1049
1050 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1051 uschar *hosts_proxy = US"";
1052 uschar *proxy_external_address = US"";
1053 int proxy_external_port = 0;
1054 uschar *proxy_local_address = US"";
1055 int proxy_local_port = 0;
1056 BOOL proxy_session = FALSE;
1057 BOOL proxy_session_failed = FALSE;
1058 #endif
1059
1060 uschar *prvscheck_address = NULL;
1061 uschar *prvscheck_keynum = NULL;
1062 uschar *prvscheck_result = NULL;
1063
1064
1065 const uschar *qualify_domain_recipient = NULL;
1066 uschar *qualify_domain_sender = NULL;
1067 BOOL queue_2stage = FALSE;
1068 uschar *queue_domains = NULL;
1069 int queue_interval = -1;
1070 BOOL queue_list_requires_admin = TRUE;
1071 uschar *queue_name = US"";
1072 BOOL queue_only = FALSE;
1073 uschar *queue_only_file = NULL;
1074 int queue_only_load = -1;
1075 BOOL queue_only_load_latch = TRUE;
1076 BOOL queue_only_override = TRUE;
1077 BOOL queue_only_policy = FALSE;
1078 BOOL queue_run_first_delivery = FALSE;
1079 BOOL queue_run_force = FALSE;
1080 BOOL queue_run_in_order = FALSE;
1081 BOOL queue_run_local = FALSE;
1082 uschar *queue_run_max = US"5";
1083 pid_t queue_run_pid = (pid_t)0;
1084 int queue_run_pipe = -1;
1085 BOOL queue_running = FALSE;
1086 BOOL queue_smtp = FALSE;
1087 uschar *queue_smtp_domains = NULL;
1088
1089 unsigned int random_seed = 0;
1090 tree_node *ratelimiters_cmd = NULL;
1091 tree_node *ratelimiters_conn = NULL;
1092 tree_node *ratelimiters_mail = NULL;
1093 uschar *raw_active_hostname = NULL;
1094 uschar *raw_sender = NULL;
1095 uschar **raw_recipients = NULL;
1096 int raw_recipients_count = 0;
1097
1098 int rcpt_count = 0;
1099 int rcpt_fail_count = 0;
1100 int rcpt_defer_count = 0;
1101 gid_t real_gid;
1102 uid_t real_uid;
1103 BOOL really_exim = TRUE;
1104 BOOL receive_call_bombout = FALSE;
1105 int receive_linecount = 0;
1106 int receive_messagecount = 0;
1107 int receive_timeout = 0;
1108 int received_count = 0;
1109 uschar *received_for = NULL;
1110
1111 /* This is the default text for Received headers generated by Exim. The
1112 date will be automatically added on the end. */
1113
1114 uschar *received_header_text = US
1115 "Received: "
1116 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1117 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1118 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1119 "by $primary_hostname "
1120 "${if def:received_protocol {with $received_protocol}} "
1121 #ifdef SUPPORT_TLS
1122 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1123 #endif
1124 "(Exim $version_number)\n\t"
1125 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1126 "id $message_exim_id"
1127 "${if def:received_for {\n\tfor $received_for}}"
1128 "\0<---------------Space to patch received_header_text->";
1129
1130 int received_headers_max = 30;
1131 uschar *received_protocol = NULL;
1132 struct timeval received_time = { 0, 0 };
1133 struct timeval received_time_taken = { 0, 0 };
1134 uschar *recipient_data = NULL;
1135 uschar *recipient_unqualified_hosts = NULL;
1136 uschar *recipient_verify_failure = NULL;
1137 int recipients_count = 0;
1138 BOOL recipients_discarded = FALSE;
1139 recipient_item *recipients_list = NULL;
1140 int recipients_list_max = 0;
1141 int recipients_max = 0;
1142 BOOL recipients_max_reject = FALSE;
1143 const pcre *regex_AUTH = NULL;
1144 const pcre *regex_check_dns_names = NULL;
1145 const pcre *regex_From = NULL;
1146 const pcre *regex_IGNOREQUOTA = NULL;
1147 const pcre *regex_PIPELINING = NULL;
1148 const pcre *regex_SIZE = NULL;
1149 const pcre *regex_ismsgid = NULL;
1150 const pcre *regex_smtp_code = NULL;
1151 uschar *regex_vars[REGEX_VARS];
1152 #ifdef WHITELIST_D_MACROS
1153 const pcre *regex_whitelisted_macro = NULL;
1154 #endif
1155 #ifdef WITH_CONTENT_SCAN
1156 uschar *regex_match_string = NULL;
1157 #endif
1158 int remote_delivery_count = 0;
1159 int remote_max_parallel = 2;
1160 uschar *remote_sort_domains = NULL;
1161 int retry_data_expire = 7*24*60*60;
1162 int retry_interval_max = 24*60*60;
1163 int retry_maximum_timeout = 0; /* set from retry config */
1164 retry_config *retries = NULL;
1165 uschar *return_path = NULL;
1166 BOOL return_path_remove = TRUE;
1167 int rewrite_existflags = 0;
1168 uschar *rfc1413_hosts = US"@[]";
1169 int rfc1413_query_timeout = 0;
1170 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1171 uid_t root_gid = ROOT_GID;
1172 uid_t root_uid = ROOT_UID;
1173
1174 router_instance *routers = NULL;
1175 router_instance router_defaults = {
1176 .next = NULL,
1177 .name = NULL,
1178 .info = NULL,
1179 .options_block = NULL,
1180 .driver_name = NULL,
1181
1182 .address_data = NULL,
1183 #ifdef EXPERIMENTAL_BRIGHTMAIL
1184 .bmi_rule = NULL,
1185 #endif
1186 .cannot_route_message = NULL,
1187 .condition = NULL,
1188 .current_directory = NULL,
1189 .debug_string = NULL,
1190 .domains = NULL,
1191 .errors_to = NULL,
1192 .expand_gid = NULL,
1193 .expand_uid = NULL,
1194 .expand_more = NULL,
1195 .expand_unseen = NULL,
1196 .extra_headers = NULL,
1197 .fallback_hosts = NULL,
1198 .home_directory = NULL,
1199 .ignore_target_hosts = NULL,
1200 .local_parts = NULL,
1201 .pass_router_name = NULL,
1202 .prefix = NULL,
1203 .redirect_router_name = NULL,
1204 .remove_headers = NULL,
1205 .require_files = NULL,
1206 .router_home_directory = NULL,
1207 .self = US"freeze",
1208 .senders = NULL,
1209 .suffix = NULL,
1210 .translate_ip_address = NULL,
1211 .transport_name = NULL,
1212
1213 .address_test = TRUE,
1214 #ifdef EXPERIMENTAL_BRIGHTMAIL
1215 .bmi_deliver_alternate = FALSE,
1216 .bmi_deliver_default = FALSE,
1217 .bmi_dont_deliver = FALSE,
1218 #endif
1219 .expn = TRUE,
1220 .caseful_local_part = FALSE,
1221 .check_local_user = FALSE,
1222 .disable_logging = FALSE,
1223 .fail_verify_recipient = FALSE,
1224 .fail_verify_sender = FALSE,
1225 .gid_set = FALSE,
1226 .initgroups = FALSE,
1227 .log_as_local = TRUE_UNSET,
1228 .more = TRUE,
1229 .pass_on_timeout = FALSE,
1230 .prefix_optional = FALSE,
1231 .repeat_use = TRUE,
1232 .retry_use_local_part = TRUE_UNSET,
1233 .same_domain_copy_routing = FALSE,
1234 .self_rewrite = FALSE,
1235 .suffix_optional = FALSE,
1236 .verify_only = FALSE,
1237 .verify_recipient = TRUE,
1238 .verify_sender = TRUE,
1239 .uid_set = FALSE,
1240 .unseen = FALSE,
1241 .dsn_lasthop = FALSE,
1242
1243 .self_code = self_freeze,
1244 .uid = (uid_t)(-1),
1245 .gid = (gid_t)(-1),
1246
1247 .fallback_hostlist = NULL,
1248 .transport = NULL,
1249 .pass_router = NULL,
1250 .redirect_router = NULL,
1251
1252 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1253 };
1254
1255 uschar *router_name = NULL;
1256
1257 ip_address_item *running_interfaces = NULL;
1258 BOOL running_in_test_harness = FALSE;
1259
1260 /* This is a weird one. The following string gets patched in the binary by the
1261 script that sets up a copy of Exim for running in the test harness. It seems
1262 that compilers are now clever, and share constant strings if they can.
1263 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1264 make use of the end of this string in order to save space. So the patching then
1265 wrecks this. We defeat this optimization by adding some additional characters
1266 onto the end of the string. */
1267
1268 uschar *running_status = US">>>running<<<" "\0EXTRA";
1269
1270 int runrc = 0;
1271
1272 uschar *search_error_message = NULL;
1273 BOOL search_find_defer = FALSE;
1274 uschar *self_hostname = NULL;
1275 uschar *sender_address = NULL;
1276 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1277 uschar *sender_address_data = NULL;
1278 BOOL sender_address_forced = FALSE;
1279 uschar *sender_address_unrewritten = NULL;
1280 uschar *sender_data = NULL;
1281 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1282 uschar *sender_fullhost = NULL;
1283 BOOL sender_helo_dnssec = FALSE;
1284 uschar *sender_helo_name = NULL;
1285 uschar **sender_host_aliases = &no_aliases;
1286 uschar *sender_host_address = NULL;
1287 uschar *sender_host_authenticated = NULL;
1288 uschar *sender_host_auth_pubname = NULL;
1289 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1290 BOOL sender_host_dnssec = FALSE;
1291 uschar *sender_host_name = NULL;
1292 int sender_host_port = 0;
1293 BOOL sender_host_notsocket = FALSE;
1294 BOOL sender_host_unknown = FALSE;
1295 uschar *sender_ident = NULL;
1296 BOOL sender_local = FALSE;
1297 BOOL sender_name_forced = FALSE;
1298 uschar *sender_rate = NULL;
1299 uschar *sender_rate_limit = NULL;
1300 uschar *sender_rate_period = NULL;
1301 uschar *sender_rcvhost = NULL;
1302 BOOL sender_set_untrusted = FALSE;
1303 uschar *sender_unqualified_hosts = NULL;
1304 uschar *sender_verify_failure = NULL;
1305 address_item *sender_verified_list = NULL;
1306 address_item *sender_verified_failed = NULL;
1307 int sender_verified_rc = -1;
1308 BOOL sender_verified_responded = FALSE;
1309 uschar *sending_ip_address = NULL;
1310 int sending_port = -1;
1311 SIGNAL_BOOL sigalrm_seen = FALSE;
1312 uschar **sighup_argv = NULL;
1313 int slow_lookup_log = 0; /* millisecs, zero disables */
1314 int smtp_accept_count = 0;
1315 BOOL smtp_accept_keepalive = TRUE;
1316 int smtp_accept_max = 20;
1317 int smtp_accept_max_nonmail= 10;
1318 uschar *smtp_accept_max_nonmail_hosts = US"*";
1319 int smtp_accept_max_per_connection = 1000;
1320 uschar *smtp_accept_max_per_host = NULL;
1321 int smtp_accept_queue = 0;
1322 int smtp_accept_queue_per_connection = 10;
1323 int smtp_accept_reserve = 0;
1324 uschar *smtp_active_hostname = NULL;
1325 BOOL smtp_authenticated = FALSE;
1326 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1327 "Exim $version_number $tod_full"
1328 "\0<---------------Space to patch smtp_banner->";
1329 BOOL smtp_batched_input = FALSE;
1330 BOOL smtp_check_spool_space = TRUE;
1331 int smtp_ch_index = 0;
1332 uschar *smtp_cmd_argument = NULL;
1333 uschar *smtp_cmd_buffer = NULL;
1334 struct timeval smtp_connection_start = {0,0};
1335 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1336 int smtp_connect_backlog = 20;
1337 double smtp_delay_mail = 0.0;
1338 double smtp_delay_rcpt = 0.0;
1339 BOOL smtp_enforce_sync = TRUE;
1340 FILE *smtp_in = NULL;
1341 BOOL smtp_input = FALSE;
1342 int smtp_load_reserve = -1;
1343 int smtp_mailcmd_count = 0;
1344 FILE *smtp_out = NULL;
1345 uschar *smtp_etrn_command = NULL;
1346 BOOL smtp_etrn_serialize = TRUE;
1347 int smtp_max_synprot_errors= 3;
1348 int smtp_max_unknown_commands = 3;
1349 uschar *smtp_notquit_reason = NULL;
1350 uschar *smtp_ratelimit_hosts = NULL;
1351 uschar *smtp_ratelimit_mail = NULL;
1352 uschar *smtp_ratelimit_rcpt = NULL;
1353 uschar *smtp_read_error = US"";
1354 int smtp_receive_timeout = 5*60;
1355 uschar *smtp_receive_timeout_s = NULL;
1356 uschar *smtp_reserve_hosts = NULL;
1357 BOOL smtp_return_error_details = FALSE;
1358 int smtp_rlm_base = 0;
1359 double smtp_rlm_factor = 0.0;
1360 int smtp_rlm_limit = 0;
1361 int smtp_rlm_threshold = INT_MAX;
1362 int smtp_rlr_base = 0;
1363 double smtp_rlr_factor = 0.0;
1364 int smtp_rlr_limit = 0;
1365 int smtp_rlr_threshold = INT_MAX;
1366 unsigned smtp_peer_options = 0;
1367 unsigned smtp_peer_options_wrap= 0;
1368 #ifdef SUPPORT_I18N
1369 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1370 #endif
1371
1372 #ifdef WITH_CONTENT_SCAN
1373 uschar *spamd_address = US"127.0.0.1 783";
1374 uschar *spam_bar = NULL;
1375 uschar *spam_report = NULL;
1376 uschar *spam_action = NULL;
1377 uschar *spam_score = NULL;
1378 uschar *spam_score_int = NULL;
1379 #endif
1380 #ifdef SUPPORT_SPF
1381 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1382 uschar *spf_header_comment = NULL;
1383 uschar *spf_received = NULL;
1384 uschar *spf_result = NULL;
1385 uschar *spf_smtp_comment = NULL;
1386 #endif
1387
1388 BOOL split_spool_directory = FALSE;
1389 uschar *spool_directory = US SPOOL_DIRECTORY
1390 "\0<--------------Space to patch spool_directory->";
1391 BOOL spool_file_wireformat = FALSE;
1392 BOOL spool_wireformat = FALSE;
1393 #ifdef EXPERIMENTAL_SRS
1394 uschar *srs_config = NULL;
1395 uschar *srs_db_address = NULL;
1396 uschar *srs_db_key = NULL;
1397 int srs_hashlength = 6;
1398 int srs_hashmin = -1;
1399 int srs_maxage = 31;
1400 uschar *srs_orig_recipient = NULL;
1401 uschar *srs_orig_sender = NULL;
1402 uschar *srs_recipient = NULL;
1403 uschar *srs_secrets = NULL;
1404 uschar *srs_status = NULL;
1405 BOOL srs_usehash = TRUE;
1406 BOOL srs_usetimestamp = TRUE;
1407 #endif
1408 BOOL strict_acl_vars = FALSE;
1409 int string_datestamp_offset= -1;
1410 int string_datestamp_length= 0;
1411 int string_datestamp_type = -1;
1412 BOOL strip_excess_angle_brackets = FALSE;
1413 BOOL strip_trailing_dot = FALSE;
1414 uschar *submission_domain = NULL;
1415 BOOL submission_mode = FALSE;
1416 uschar *submission_name = NULL;
1417 BOOL suppress_local_fixups = FALSE;
1418 BOOL suppress_local_fixups_default = FALSE;
1419 BOOL synchronous_delivery = FALSE;
1420 BOOL syslog_duplication = TRUE;
1421 int syslog_facility = LOG_MAIL;
1422 BOOL syslog_pid = TRUE;
1423 uschar *syslog_processname = US"exim";
1424 BOOL syslog_timestamp = TRUE;
1425 uschar *system_filter = NULL;
1426
1427 uschar *system_filter_directory_transport = NULL;
1428 uschar *system_filter_file_transport = NULL;
1429 uschar *system_filter_pipe_transport = NULL;
1430 uschar *system_filter_reply_transport = NULL;
1431
1432 gid_t system_filter_gid = 0;
1433 BOOL system_filter_gid_set = FALSE;
1434 uid_t system_filter_uid = (uid_t)-1;
1435 BOOL system_filter_uid_set = FALSE;
1436 BOOL system_filtering = FALSE;
1437
1438 BOOL tcp_fastopen_ok = FALSE;
1439 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1440 BOOL tcp_in_fastopen = FALSE;
1441 BOOL tcp_in_fastopen_logged = FALSE;
1442 BOOL tcp_nodelay = TRUE;
1443 int tcp_out_fastopen = 0;
1444 BOOL tcp_out_fastopen_logged= FALSE;
1445 #ifdef USE_TCP_WRAPPERS
1446 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1447 #endif
1448 int test_harness_load_avg = 0;
1449 int thismessage_size_limit = 0;
1450 int timeout_frozen_after = 0;
1451 BOOL timestamps_utc = FALSE;
1452
1453 transport_instance *transports = NULL;
1454
1455 transport_instance transport_defaults = {
1456 .next = NULL,
1457 .name = NULL,
1458 .info = NULL,
1459 .options_block = NULL,
1460 .driver_name = NULL,
1461 .setup = NULL,
1462 .batch_max = 1,
1463 .batch_id = NULL,
1464 .home_dir = NULL,
1465 .current_dir = NULL,
1466 .expand_multi_domain = NULL,
1467 .multi_domain = TRUE,
1468 .overrides_hosts = FALSE,
1469 .max_addresses = 100,
1470 .connection_max_messages = 500,
1471 .deliver_as_creator = FALSE,
1472 .disable_logging = FALSE,
1473 .initgroups = FALSE,
1474 .uid_set = FALSE,
1475 .gid_set = FALSE,
1476 .uid = (uid_t)(-1),
1477 .gid = (gid_t)(-1),
1478 .expand_uid = NULL,
1479 .expand_gid = NULL,
1480 .warn_message = NULL,
1481 .shadow = NULL,
1482 .shadow_condition = NULL,
1483 .filter_command = NULL,
1484 .add_headers = NULL,
1485 .remove_headers = NULL,
1486 .return_path = NULL,
1487 .debug_string = NULL,
1488 .max_parallel = NULL,
1489 .message_size_limit = NULL,
1490 .headers_rewrite = NULL,
1491 .rewrite_rules = NULL,
1492 .rewrite_existflags = 0,
1493 .filter_timeout = 300,
1494 .body_only = FALSE,
1495 .delivery_date_add = FALSE,
1496 .envelope_to_add = FALSE,
1497 .headers_only = FALSE,
1498 .rcpt_include_affixes = FALSE,
1499 .return_path_add = FALSE,
1500 .return_output = FALSE,
1501 .return_fail_output = FALSE,
1502 .log_output = FALSE,
1503 .log_fail_output = FALSE,
1504 .log_defer_output = FALSE,
1505 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1506 1 nor 0 so can detect unset */
1507 #ifndef DISABLE_EVENT
1508 .event_action = NULL
1509 #endif
1510 };
1511
1512 int transport_count;
1513 uschar *transport_name = NULL;
1514 int transport_newlines;
1515 const uschar **transport_filter_argv = NULL;
1516 int transport_filter_timeout;
1517 BOOL transport_filter_timed_out = FALSE;
1518 int transport_write_timeout= 0;
1519
1520 tree_node *tree_dns_fails = NULL;
1521 tree_node *tree_duplicates = NULL;
1522 tree_node *tree_nonrecipients = NULL;
1523 tree_node *tree_unusable = NULL;
1524
1525 BOOL trusted_caller = FALSE;
1526 BOOL trusted_config = TRUE;
1527 gid_t *trusted_groups = NULL;
1528 uid_t *trusted_users = NULL;
1529 uschar *timezone_string = US TIMEZONE_DEFAULT;
1530
1531 uschar *unknown_login = NULL;
1532 uschar *unknown_username = NULL;
1533 uschar *untrusted_set_sender = NULL;
1534
1535 /* A regex for matching a "From_" line in an incoming message, in the form
1536
1537 From ph10 Fri Jan 5 12:35 GMT 1996
1538
1539 which the "mail" commands send to the MTA (undocumented, of course), or in
1540 the form
1541
1542 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1543
1544 which is apparently used by some UUCPs, despite it not being in RFC 976.
1545 Because of variations in time formats, just match up to the minutes. That
1546 should be sufficient. Examples have been seen of time fields like 12:1:03,
1547 so just require one digit for hours and minutes. The weekday is also absent
1548 in some forms. */
1549
1550 uschar *uucp_from_pattern = US
1551 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1552 "(?:" /* Non-extracting bracket */
1553 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1554 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1555 ")" /* End alternation */
1556 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1557
1558 uschar *uucp_from_sender = US"$1";
1559
1560 uschar *verify_mode = NULL;
1561 uschar *version_copyright =
1562 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1563 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1564 uschar *version_date = US"?";
1565 uschar *version_cnumber = US"????";
1566 uschar *version_string = US"?";
1567
1568 uschar *warn_message_file = NULL;
1569 int warning_count = 0;
1570 uschar *warnmsg_delay = NULL;
1571 uschar *warnmsg_recipients = NULL;
1572 BOOL write_rejectlog = TRUE;
1573
1574
1575 /* End of globals.c */
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