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