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Improve the consistency of logging incoming and outgoing interfaces.
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2015 */
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 = sizeof(optionlist_auths)/sizeof(optionlist);
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 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef EXPERIMENTAL_REDIS
87 uschar *redis_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 #ifdef EXPERIMENTAL_DANE
107 FALSE,/* dane_verified */
108 0, /* tlsa_usage */
109 #endif
110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
113 NULL, /* tls_ourcert */
114 NULL, /* tls_peercert */
115 NULL, /* tls_peerdn */
116 NULL, /* tls_sni */
117 0 /* tls_ocsp */
118 };
119 tls_support tls_out = {
120 -1, /* tls_active */
121 0, /* tls_bits */
122 FALSE,/* tls_certificate_verified */
123 #ifdef EXPERIMENTAL_DANE
124 FALSE,/* dane_verified */
125 0, /* tlsa_usage */
126 #endif
127 NULL, /* tls_cipher */
128 FALSE,/* tls_on_connect */
129 NULL, /* tls_on_connect_ports */
130 NULL, /* tls_ourcert */
131 NULL, /* tls_peercert */
132 NULL, /* tls_peerdn */
133 NULL, /* tls_sni */
134 0 /* tls_ocsp */
135 };
136
137 uschar *dsn_envid = NULL;
138 int dsn_ret = 0;
139 const pcre *regex_DSN = NULL;
140 BOOL smtp_use_dsn = FALSE;
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 *gnutls_require_mac = NULL;
147 uschar *gnutls_require_kx = NULL;
148 uschar *gnutls_require_proto = NULL;
149 uschar *openssl_options = NULL;
150 const pcre *regex_STARTTLS = NULL;
151 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
152 uschar *tls_certificate = NULL;
153 uschar *tls_crl = NULL;
154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
155 that's the interop problem which has been observed: GnuTLS suggesting a higher
156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
157 int tls_dh_max_bits = 2236;
158 uschar *tls_dhparam = NULL;
159 uschar *tls_eccurve = US"prime256v1";
160 #ifndef DISABLE_OCSP
161 uschar *tls_ocsp_file = NULL;
162 #endif
163 BOOL tls_offered = FALSE;
164 uschar *tls_privatekey = NULL;
165 BOOL tls_remember_esmtp = FALSE;
166 uschar *tls_require_ciphers = NULL;
167 uschar *tls_try_verify_hosts = NULL;
168 uschar *tls_verify_certificates= US"system";
169 uschar *tls_verify_hosts = NULL;
170 #endif
171
172 #ifndef DISABLE_PRDR
173 /* Per Recipient Data Response variables */
174 BOOL prdr_enable = FALSE;
175 BOOL prdr_requested = FALSE;
176 const pcre *regex_PRDR = NULL;
177 #endif
178
179 #ifdef EXPERIMENTAL_INTERNATIONAL
180 const pcre *regex_UTF8 = NULL;
181 #endif
182
183 /* Input-reading functions for messages, so we can use special ones for
184 incoming TCP/IP. The defaults use stdin. We never need these for any
185 stand-alone tests. */
186
187 #ifndef STAND_ALONE
188 int (*receive_getc)(void) = stdin_getc;
189 int (*receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_feof)(void) = stdin_feof;
191 int (*receive_ferror)(void) = stdin_ferror;
192 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
193 #endif
194
195
196 /* List of per-address expansion variables for clearing and saving/restoring
197 when verifying one address while routing/verifying another. We have to have
198 the size explicit, because it is referenced from more than one module. */
199
200 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
213 CUSS &deliver_host,
214 CUSS &deliver_home,
215 CUSS &address_file,
216 CUSS &address_pipe,
217 CUSS &self_hostname,
218 NULL };
219
220 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222 /* General global variables */
223
224 header_line *acl_added_headers = NULL;
225 tree_node *acl_anchor = NULL;
226 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228 int acl_narg = 0;
229
230 uschar *acl_not_smtp = NULL;
231 #ifdef WITH_CONTENT_SCAN
232 uschar *acl_not_smtp_mime = NULL;
233 #endif
234 uschar *acl_not_smtp_start = NULL;
235 uschar *acl_removed_headers = NULL;
236 uschar *acl_smtp_auth = NULL;
237 uschar *acl_smtp_connect = NULL;
238 uschar *acl_smtp_data = NULL;
239 #ifndef DISABLE_PRDR
240 uschar *acl_smtp_data_prdr = US"accept";
241 #endif
242 #ifndef DISABLE_DKIM
243 uschar *acl_smtp_dkim = NULL;
244 #endif
245 uschar *acl_smtp_etrn = NULL;
246 uschar *acl_smtp_expn = NULL;
247 uschar *acl_smtp_helo = NULL;
248 uschar *acl_smtp_mail = NULL;
249 uschar *acl_smtp_mailauth = NULL;
250 #ifdef WITH_CONTENT_SCAN
251 uschar *acl_smtp_mime = NULL;
252 #endif
253 uschar *acl_smtp_notquit = NULL;
254 uschar *acl_smtp_predata = NULL;
255 uschar *acl_smtp_quit = NULL;
256 uschar *acl_smtp_rcpt = NULL;
257 uschar *acl_smtp_starttls = NULL;
258 uschar *acl_smtp_vrfy = NULL;
259
260 BOOL acl_temp_details = FALSE;
261 tree_node *acl_var_c = NULL;
262 tree_node *acl_var_m = NULL;
263 uschar *acl_verify_message = NULL;
264 string_item *acl_warn_logged = NULL;
265
266 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269 uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
272 US"MIME",
273 US"DKIM",
274 US"DATA",
275 #ifndef DISABLE_PRDR
276 US"PRDR",
277 #endif
278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
285 US"non-SMTP-start",
286 US"NOTQUIT",
287 US"QUIT",
288 US"STARTTLS",
289 US"VRFY",
290 US"delivery",
291 US"unknown"
292 };
293
294 uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
298 US"550", /* DKIM */
299 US"550", /* DATA */
300 #ifndef DISABLE_PRDR
301 US"550", /* RCPT PRDR */
302 #endif
303 US"0", /* not SMTP; not relevant */
304 US"503", /* AUTH */
305 US"550", /* connect */
306 US"458", /* ETRN */
307 US"550", /* EXPN */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
314 US"252", /* VRFY */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
317 };
318
319 BOOL active_local_from_check = FALSE;
320 BOOL active_local_sender_retain = FALSE;
321 int body_8bitmime = 0;
322 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323 address_item *addr_duplicate = NULL;
324
325 address_item address_defaults = {
326 NULL, /* next */
327 NULL, /* parent */
328 NULL, /* first */
329 NULL, /* dupof */
330 NULL, /* start_router */
331 NULL, /* router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
336 NULL, /* reply */
337 NULL, /* retries */
338 NULL, /* address */
339 NULL, /* unique */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
343 NULL, /* prefix */
344 NULL, /* suffix */
345 NULL, /* domain */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
349 NULL, /* home_dir */
350 NULL, /* message */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
357 #ifdef SUPPORT_TLS
358 NULL, /* cipher */
359 NULL, /* ourcert */
360 NULL, /* peercert */
361 NULL, /* peerdn */
362 OCSP_NOT_REQ, /* ocsp */
363 #endif
364 NULL, /* authenticator */
365 NULL, /* auth_id */
366 NULL, /* auth_sndr */
367 NULL, /* dsn_orcpt */
368 0, /* dsn_flags */
369 0, /* dsn_aware */
370 (uid_t)(-1), /* uid */
371 (gid_t)(-1), /* gid */
372 0, /* flags */
373 { 0 }, /* domain_cache - any larger array should be zeroed */
374 { 0 }, /* localpart_cache - ditto */
375 -1, /* mode */
376 0, /* more_errno */
377 ERRNO_UNKNOWNERROR, /* basic_errno */
378 0, /* child_count */
379 -1, /* return_file */
380 SPECIAL_NONE, /* special_action */
381 DEFER, /* transport_return */
382 { /* fields that are propagated to children */
383 NULL, /* address_data */
384 NULL, /* domain_data */
385 NULL, /* localpart_data */
386 NULL, /* errors_address */
387 NULL, /* extra_headers */
388 NULL, /* remove_headers */
389 #ifdef EXPERIMENTAL_SRS
390 NULL, /* srs_sender */
391 #endif
392 #ifdef EXPERIMENTAL_INTERNATIONAL
393 FALSE, /* utf8 */
394 #endif
395 }
396 };
397
398 uschar *address_file = NULL;
399 uschar *address_pipe = NULL;
400 BOOL address_test_mode = FALSE;
401 tree_node *addresslist_anchor = NULL;
402 int addresslist_count = 0;
403 gid_t *admin_groups = NULL;
404 BOOL admin_user = FALSE;
405 BOOL allow_auth_unadvertised= FALSE;
406 BOOL allow_domain_literals = FALSE;
407 BOOL allow_mx_to_ip = FALSE;
408 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
409 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
410 BOOL allow_utf8_domains = FALSE;
411 uschar *authenticated_fail_id = NULL;
412 uschar *authenticated_id = NULL;
413 uschar *authenticated_sender = NULL;
414 BOOL authentication_failed = FALSE;
415 auth_instance *auths = NULL;
416 uschar *auth_advertise_hosts = US"*";
417 auth_instance auth_defaults = {
418 NULL, /* chain pointer */
419 NULL, /* name */
420 NULL, /* info */
421 NULL, /* private options block pointer */
422 NULL, /* driver_name */
423 NULL, /* advertise_condition */
424 NULL, /* client_condition */
425 NULL, /* public_name */
426 NULL, /* set_id */
427 NULL, /* set_client_id */
428 NULL, /* server_mail_auth_condition */
429 NULL, /* server_debug_string */
430 NULL, /* server_condition */
431 FALSE, /* client */
432 FALSE, /* server */
433 FALSE /* advertised */
434 };
435
436 uschar *auth_defer_msg = US"reason not recorded";
437 uschar *auth_defer_user_msg = US"";
438 uschar *auth_vars[AUTH_VARS];
439 int auto_thaw = 0;
440 #ifdef WITH_CONTENT_SCAN
441 BOOL av_failed = FALSE;
442 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
443 #endif
444
445 BOOL background_daemon = TRUE;
446
447 #if BASE_62 == 62
448 uschar *base62_chars=
449 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
450 #else
451 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
452 #endif
453
454 uschar *bi_command = NULL;
455 uschar *big_buffer = NULL;
456 int big_buffer_size = BIG_BUFFER_SIZE;
457 #ifdef EXPERIMENTAL_BRIGHTMAIL
458 uschar *bmi_alt_location = NULL;
459 uschar *bmi_base64_tracker_verdict = NULL;
460 uschar *bmi_base64_verdict = NULL;
461 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
462 int bmi_deliver = 1;
463 int bmi_run = 0;
464 uschar *bmi_verdicts = NULL;
465 #endif
466 int body_linecount = 0;
467 int body_zerocount = 0;
468 uschar *bounce_message_file = NULL;
469 uschar *bounce_message_text = NULL;
470 uschar *bounce_recipient = NULL;
471 BOOL bounce_return_body = TRUE;
472 BOOL bounce_return_message = TRUE;
473 int bounce_return_size_limit = 100*1024;
474 uschar *bounce_sender_authentication = NULL;
475 int bsmtp_transaction_linecount = 0;
476
477 int callout_cache_domain_positive_expire = 7*24*60*60;
478 int callout_cache_domain_negative_expire = 3*60*60;
479 int callout_cache_positive_expire = 24*60*60;
480 int callout_cache_negative_expire = 2*60*60;
481 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
482 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
483 int check_log_inodes = 0;
484 int check_log_space = 0;
485 BOOL check_rfc2047_length = TRUE;
486 int check_spool_inodes = 0;
487 int check_spool_space = 0;
488 uschar *client_authenticator = NULL;
489 uschar *client_authenticated_id = NULL;
490 uschar *client_authenticated_sender = NULL;
491 int clmacro_count = 0;
492 uschar *clmacros[MAX_CLMACROS];
493 BOOL config_changed = FALSE;
494 FILE *config_file = NULL;
495 uschar *config_filename = NULL;
496 int config_lineno = 0;
497 #ifdef CONFIGURE_GROUP
498 gid_t config_gid = CONFIGURE_GROUP;
499 #endif
500 uschar *config_main_filelist = US CONFIGURE_FILE
501 "\0<-----------Space to patch configure_filename->";
502 uschar *config_main_filename = NULL;
503 uschar *config_main_directory = NULL;
504
505 #ifdef CONFIGURE_OWNER
506 uid_t config_uid = CONFIGURE_OWNER;
507 #endif
508
509 int connection_max_messages= -1;
510 uschar *continue_hostname = NULL;
511 uschar *continue_host_address = NULL;
512 BOOL continue_more = FALSE;
513 int continue_sequence = 1;
514 uschar *continue_transport = NULL;
515
516 uschar *csa_status = NULL;
517 cut_t cutthrough = {
518 FALSE, /* delivery: when to attempt */
519 -1, /* fd: open connection */
520 0, /* nrcpt: number of addresses */
521 };
522
523 BOOL daemon_listen = FALSE;
524 uschar *daemon_smtp_port = US"smtp";
525 int daemon_startup_retries = 9;
526 int daemon_startup_sleep = 30;
527
528 #ifdef EXPERIMENTAL_DCC
529 BOOL dcc_direct_add_header = FALSE;
530 uschar *dcc_header = NULL;
531 uschar *dcc_result = NULL;
532 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
533 uschar *dccifd_options = US"header";
534 #endif
535
536 BOOL debug_daemon = FALSE;
537 int debug_fd = -1;
538 FILE *debug_file = NULL;
539 int debug_notall[] = {
540 Di_memory,
541 -1
542 };
543 bit_table debug_options[] = { /* must be in alphabetical order */
544 BIT_TABLE(D, acl),
545 BIT_TABLE(D, all),
546 BIT_TABLE(D, auth),
547 BIT_TABLE(D, deliver),
548 BIT_TABLE(D, dns),
549 BIT_TABLE(D, dnsbl),
550 BIT_TABLE(D, exec),
551 BIT_TABLE(D, expand),
552 BIT_TABLE(D, filter),
553 BIT_TABLE(D, hints_lookup),
554 BIT_TABLE(D, host_lookup),
555 BIT_TABLE(D, ident),
556 BIT_TABLE(D, interface),
557 BIT_TABLE(D, lists),
558 BIT_TABLE(D, load),
559 BIT_TABLE(D, local_scan),
560 BIT_TABLE(D, lookup),
561 BIT_TABLE(D, memory),
562 BIT_TABLE(D, pid),
563 BIT_TABLE(D, process_info),
564 BIT_TABLE(D, queue_run),
565 BIT_TABLE(D, receive),
566 BIT_TABLE(D, resolver),
567 BIT_TABLE(D, retry),
568 BIT_TABLE(D, rewrite),
569 BIT_TABLE(D, route),
570 BIT_TABLE(D, timestamp),
571 BIT_TABLE(D, tls),
572 BIT_TABLE(D, transport),
573 BIT_TABLE(D, uid),
574 BIT_TABLE(D, verify),
575 };
576 int debug_options_count = nelem(debug_options);
577
578 unsigned int debug_selector = 0;
579 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
580 uschar *delay_warning_condition=
581 US"${if or {"
582 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
583 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
584 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
585 "} {no}{yes}}";
586 BOOL delivery_date_remove = TRUE;
587 uschar *deliver_address_data = NULL;
588 int deliver_datafile = -1;
589 const uschar *deliver_domain = NULL;
590 uschar *deliver_domain_data = NULL;
591 const uschar *deliver_domain_orig = NULL;
592 const uschar *deliver_domain_parent = NULL;
593 BOOL deliver_drop_privilege = FALSE;
594 BOOL deliver_firsttime = FALSE;
595 BOOL deliver_force = FALSE;
596 BOOL deliver_freeze = FALSE;
597 time_t deliver_frozen_at = 0;
598 uschar *deliver_home = NULL;
599 const uschar *deliver_host = NULL;
600 const uschar *deliver_host_address = NULL;
601 int deliver_host_port = 0;
602 uschar *deliver_in_buffer = NULL;
603 ino_t deliver_inode = 0;
604 uschar *deliver_localpart = NULL;
605 uschar *deliver_localpart_data = NULL;
606 uschar *deliver_localpart_orig = NULL;
607 uschar *deliver_localpart_parent = NULL;
608 uschar *deliver_localpart_prefix = NULL;
609 uschar *deliver_localpart_suffix = NULL;
610 BOOL deliver_force_thaw = FALSE;
611 BOOL deliver_manual_thaw = FALSE;
612 uschar *deliver_out_buffer = NULL;
613 int deliver_queue_load_max = -1;
614 address_item *deliver_recipients = NULL;
615 uschar *deliver_selectstring = NULL;
616 BOOL deliver_selectstring_regex = FALSE;
617 uschar *deliver_selectstring_sender = NULL;
618 BOOL deliver_selectstring_sender_regex = FALSE;
619 #ifdef WITH_OLD_DEMIME
620 int demime_errorlevel = 0;
621 int demime_ok = 0;
622 uschar *demime_reason = NULL;
623 #endif
624 BOOL disable_callout_flush = FALSE;
625 BOOL disable_delay_flush = FALSE;
626 #ifdef ENABLE_DISABLE_FSYNC
627 BOOL disable_fsync = FALSE;
628 #endif
629 BOOL disable_ipv6 = FALSE;
630 BOOL disable_logging = FALSE;
631
632 #ifndef DISABLE_DKIM
633 uschar *dkim_cur_signer = NULL;
634 uschar *dkim_signers = NULL;
635 uschar *dkim_signing_domain = NULL;
636 uschar *dkim_signing_selector = NULL;
637 uschar *dkim_verify_signers = US"$dkim_signers";
638 BOOL dkim_collect_input = FALSE;
639 BOOL dkim_disable_verify = FALSE;
640 #endif
641 #ifdef EXPERIMENTAL_DMARC
642 BOOL dmarc_has_been_checked = FALSE;
643 uschar *dmarc_ar_header = NULL;
644 uschar *dmarc_domain_policy = NULL;
645 uschar *dmarc_forensic_sender = NULL;
646 uschar *dmarc_history_file = NULL;
647 uschar *dmarc_status = NULL;
648 uschar *dmarc_status_text = NULL;
649 uschar *dmarc_tld_file = NULL;
650 uschar *dmarc_used_domain = NULL;
651 BOOL dmarc_disable_verify = FALSE;
652 BOOL dmarc_enable_forensic = FALSE;
653 #endif
654
655 uschar *dns_again_means_nonexist = NULL;
656 int dns_csa_search_limit = 5;
657 BOOL dns_csa_use_reverse = TRUE;
658 #ifdef EXPERIMENTAL_DANE
659 int dns_dane_ok = -1;
660 #endif
661 uschar *dns_ipv4_lookup = NULL;
662 int dns_retrans = 0;
663 int dns_retry = 0;
664 int dns_dnssec_ok = -1; /* <0 = not coerced */
665 uschar *dns_trust_aa = NULL;
666 int dns_use_edns0 = -1; /* <0 = not coerced */
667 uschar *dnslist_domain = NULL;
668 uschar *dnslist_matched = NULL;
669 uschar *dnslist_text = NULL;
670 uschar *dnslist_value = NULL;
671 tree_node *domainlist_anchor = NULL;
672 int domainlist_count = 0;
673 BOOL dont_deliver = FALSE;
674 BOOL dot_ends = TRUE;
675 BOOL drop_cr = FALSE; /* No longer used */
676 uschar *dsn_from = US DEFAULT_DSN_FROM;
677
678 BOOL enable_dollar_recipients = FALSE;
679 BOOL envelope_to_remove = TRUE;
680 int errno_quota = ERRNO_QUOTA;
681 uschar *errors_copy = NULL;
682 int error_handling = ERRORS_SENDER;
683 uschar *errors_reply_to = NULL;
684 int errors_sender_rc = EXIT_FAILURE;
685 #ifdef EXPERIMENTAL_EVENT
686 uschar *event_action = NULL; /* expansion for delivery events */
687 uschar *event_data = NULL; /* auxilary data variable for event */
688 int event_defer_errno = 0;
689 const uschar *event_name = NULL; /* event name variable */
690 #endif
691
692
693 gid_t exim_gid = EXIM_GID;
694 BOOL exim_gid_set = TRUE; /* This gid is always set */
695 uschar *exim_path = US BIN_DIRECTORY "/exim"
696 "\0<---------------Space to patch exim_path->";
697 uid_t exim_uid = EXIM_UID;
698 BOOL exim_uid_set = TRUE; /* This uid is always set */
699 int expand_forbid = 0;
700 int expand_nlength[EXPAND_MAXN+1];
701 int expand_nmax = -1;
702 uschar *expand_nstring[EXPAND_MAXN+1];
703 BOOL expand_string_forcedfail = FALSE;
704 uschar *expand_string_message;
705 BOOL extract_addresses_remove_arguments = TRUE;
706 uschar *extra_local_interfaces = NULL;
707
708 int fake_response = OK;
709 uschar *fake_response_text = US"Your message has been rejected but is "
710 "being kept for evaluation.\nIf it was a "
711 "legitimate message, it may still be "
712 "delivered to the target recipient(s).";
713 int filter_n[FILTER_VARIABLE_COUNT];
714 BOOL filter_running = FALSE;
715 int filter_sn[FILTER_VARIABLE_COUNT];
716 int filter_test = FTEST_NONE;
717 uschar *filter_test_sfile = NULL;
718 uschar *filter_test_ufile = NULL;
719 uschar *filter_thisaddress = NULL;
720 int finduser_retries = 0;
721 #ifdef WITH_OLD_DEMIME
722 uschar *found_extension = NULL;
723 #endif
724 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
725 uschar *freeze_tell = NULL;
726 uschar *freeze_tell_config = NULL;
727 uschar *fudged_queue_times = US"";
728
729 uschar *gecos_name = NULL;
730 uschar *gecos_pattern = NULL;
731 rewrite_rule *global_rewrite_rules = NULL;
732
733 uschar *headers_charset = US HEADERS_CHARSET;
734 int header_insert_maxlen = 64 * 1024;
735 header_line *header_last = NULL;
736 header_line *header_list = NULL;
737 int header_maxsize = HEADER_MAXSIZE;
738 int header_line_maxsize = 0;
739
740 header_name header_names[] = {
741 { US"bcc", 3, TRUE, htype_bcc },
742 { US"cc", 2, TRUE, htype_cc },
743 { US"date", 4, TRUE, htype_date },
744 { US"delivery-date", 13, FALSE, htype_delivery_date },
745 { US"envelope-to", 11, FALSE, htype_envelope_to },
746 { US"from", 4, TRUE, htype_from },
747 { US"message-id", 10, TRUE, htype_id },
748 { US"received", 8, FALSE, htype_received },
749 { US"reply-to", 8, FALSE, htype_reply_to },
750 { US"return-path", 11, FALSE, htype_return_path },
751 { US"sender", 6, TRUE, htype_sender },
752 { US"subject", 7, FALSE, htype_subject },
753 { US"to", 2, TRUE, htype_to }
754 };
755
756 int header_names_size = sizeof(header_names)/sizeof(header_name);
757
758 BOOL header_rewritten = FALSE;
759 uschar *helo_accept_junk_hosts = NULL;
760 uschar *helo_allow_chars = US"";
761 uschar *helo_lookup_domains = US"@ : @[]";
762 uschar *helo_try_verify_hosts = NULL;
763 BOOL helo_verified = FALSE;
764 BOOL helo_verify_failed = FALSE;
765 uschar *helo_verify_hosts = NULL;
766 const uschar *hex_digits = CUS"0123456789abcdef";
767 uschar *hold_domains = NULL;
768 BOOL host_checking = FALSE;
769 BOOL host_checking_callout = FALSE;
770 uschar *host_data = NULL;
771 BOOL host_find_failed_syntax= FALSE;
772 uschar *host_lookup = NULL;
773 BOOL host_lookup_deferred = FALSE;
774 BOOL host_lookup_failed = FALSE;
775 uschar *host_lookup_order = US"bydns:byaddr";
776 uschar *host_lookup_msg = US"";
777 int host_number = 0;
778 uschar *host_number_string = NULL;
779 uschar *host_reject_connection = NULL;
780 tree_node *hostlist_anchor = NULL;
781 int hostlist_count = 0;
782 uschar *hosts_treat_as_local = NULL;
783 uschar *hosts_connection_nolog = NULL;
784
785 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
786 BOOL ignore_fromline_local = FALSE;
787 uschar *ignore_fromline_hosts = NULL;
788 BOOL inetd_wait_mode = FALSE;
789 int inetd_wait_timeout = -1;
790 uschar *interface_address = NULL;
791 int interface_port = -1;
792 BOOL is_inetd = FALSE;
793 uschar *iterate_item = NULL;
794
795 int journal_fd = -1;
796
797 int keep_malformed = 4*24*60*60; /* 4 days */
798
799 uschar *eldap_dn = NULL;
800 int load_average = -2;
801 BOOL local_error_message = FALSE;
802 BOOL local_from_check = TRUE;
803 uschar *local_from_prefix = NULL;
804 uschar *local_from_suffix = NULL;
805
806 #if HAVE_IPV6
807 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
808 #else
809 uschar *local_interfaces = US"0.0.0.0";
810 #endif
811
812 uschar *local_scan_data = NULL;
813 int local_scan_timeout = 5*60;
814 BOOL local_sender_retain = FALSE;
815 gid_t local_user_gid = (gid_t)(-1);
816 uid_t local_user_uid = (uid_t)(-1);
817
818 tree_node *localpartlist_anchor= NULL;
819 int localpartlist_count = 0;
820 uschar *log_buffer = NULL;
821
822 int log_default[] = { /* for initializing log_selector */
823 Li_acl_warn_skipped,
824 Li_connection_reject,
825 Li_delay_delivery,
826 Li_dnslist_defer,
827 Li_etrn,
828 Li_host_lookup_failed,
829 Li_lost_incoming_connection,
830 Li_outgoing_interface, /* see d_log_interface in deliver.c */
831 Li_queue_run,
832 Li_rejected_header,
833 Li_retry_defer,
834 Li_sender_verify_fail,
835 Li_size_reject,
836 Li_skip_delivery,
837 Li_smtp_confirmation,
838 Li_tls_certificate_verified,
839 Li_tls_cipher,
840 -1
841 };
842
843 uschar *log_file_path = US LOG_FILE_PATH
844 "\0<--------------Space to patch log_file_path->";
845
846 int log_notall[] = {
847 -1
848 };
849 bit_table log_options[] = { /* must be in alphabetical order */
850 BIT_TABLE(L, 8bitmime),
851 BIT_TABLE(L, acl_warn_skipped),
852 BIT_TABLE(L, address_rewrite),
853 BIT_TABLE(L, all),
854 BIT_TABLE(L, all_parents),
855 BIT_TABLE(L, arguments),
856 BIT_TABLE(L, connection_reject),
857 BIT_TABLE(L, delay_delivery),
858 BIT_TABLE(L, deliver_time),
859 BIT_TABLE(L, delivery_size),
860 BIT_TABLE(L, dnslist_defer),
861 BIT_TABLE(L, etrn),
862 BIT_TABLE(L, host_lookup_failed),
863 BIT_TABLE(L, ident_timeout),
864 BIT_TABLE(L, incoming_interface),
865 BIT_TABLE(L, incoming_port),
866 BIT_TABLE(L, lost_incoming_connection),
867 BIT_TABLE(L, outgoing_interface),
868 BIT_TABLE(L, outgoing_port),
869 BIT_TABLE(L, pid),
870 #ifdef EXPERIMENTAL_PROXY
871 BIT_TABLE(L, proxy),
872 #endif
873 BIT_TABLE(L, queue_run),
874 BIT_TABLE(L, queue_time),
875 BIT_TABLE(L, queue_time_overall),
876 BIT_TABLE(L, received_recipients),
877 BIT_TABLE(L, received_sender),
878 BIT_TABLE(L, rejected_header),
879 { US"rejected_headers", Li_rejected_header },
880 BIT_TABLE(L, retry_defer),
881 BIT_TABLE(L, return_path_on_delivery),
882 BIT_TABLE(L, sender_on_delivery),
883 BIT_TABLE(L, sender_verify_fail),
884 BIT_TABLE(L, size_reject),
885 BIT_TABLE(L, skip_delivery),
886 BIT_TABLE(L, smtp_confirmation),
887 BIT_TABLE(L, smtp_connection),
888 BIT_TABLE(L, smtp_incomplete_transaction),
889 BIT_TABLE(L, smtp_mailauth),
890 BIT_TABLE(L, smtp_no_mail),
891 BIT_TABLE(L, smtp_protocol_error),
892 BIT_TABLE(L, smtp_syntax_error),
893 BIT_TABLE(L, subject),
894 BIT_TABLE(L, tls_certificate_verified),
895 BIT_TABLE(L, tls_cipher),
896 BIT_TABLE(L, tls_peerdn),
897 BIT_TABLE(L, tls_sni),
898 BIT_TABLE(L, unknown_in_list),
899 };
900 int log_options_count = nelem(log_options);
901
902 int log_reject_target = 0;
903 unsigned int log_selector[log_selector_size]; /* initialized in main() */
904 uschar *log_selector_string = NULL;
905 FILE *log_stderr = NULL;
906 BOOL log_testing_mode = FALSE;
907 BOOL log_timezone = FALSE;
908 uschar *login_sender_address = NULL;
909 uschar *lookup_dnssec_authenticated = NULL;
910 int lookup_open_max = 25;
911 uschar *lookup_value = NULL;
912
913 macro_item *macros = NULL;
914 uschar *mailstore_basename = NULL;
915 #ifdef WITH_CONTENT_SCAN
916 uschar *malware_name = NULL; /* Virus Name */
917 #endif
918 int max_received_linelength= 0;
919 int max_username_length = 0;
920 int message_age = 0;
921 uschar *message_body = NULL;
922 uschar *message_body_end = NULL;
923 BOOL message_body_newlines = FALSE;
924 int message_body_size = 0;
925 int message_body_visible = 500;
926 int message_ended = END_NOTSTARTED;
927 uschar *message_headers = NULL;
928 uschar *message_id;
929 uschar *message_id_domain = NULL;
930 uschar *message_id_text = NULL;
931 struct timeval message_id_tv = { 0, 0 };
932 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
933 uschar *message_id_external;
934 int message_linecount = 0;
935 BOOL message_logs = TRUE;
936 int message_size = 0;
937 uschar *message_size_limit = US"50M";
938 #ifdef EXPERIMENTAL_INTERNATIONAL
939 BOOL message_smtputf8 = FALSE;
940 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
941 #endif
942 uschar message_subdir[2] = { 0, 0 };
943 uschar *message_reference = NULL;
944
945 /* MIME ACL expandables */
946 #ifdef WITH_CONTENT_SCAN
947 int mime_anomaly_level = 0;
948 const uschar *mime_anomaly_text = NULL;
949 uschar *mime_boundary = NULL;
950 uschar *mime_charset = NULL;
951 uschar *mime_content_description = NULL;
952 uschar *mime_content_disposition = NULL;
953 uschar *mime_content_id = NULL;
954 unsigned int mime_content_size = 0;
955 uschar *mime_content_transfer_encoding = NULL;
956 uschar *mime_content_type = NULL;
957 uschar *mime_decoded_filename = NULL;
958 uschar *mime_filename = NULL;
959 int mime_is_multipart = 0;
960 int mime_is_coverletter = 0;
961 int mime_is_rfc822 = 0;
962 int mime_part_count = -1;
963 #endif
964
965 BOOL mua_wrapper = FALSE;
966
967 uid_t *never_users = NULL;
968 #ifdef WITH_CONTENT_SCAN
969 BOOL no_mbox_unspool = FALSE;
970 #endif
971 BOOL no_multiline_responses = FALSE;
972
973 uid_t original_euid;
974 gid_t originator_gid;
975 uschar *originator_login = NULL;
976 uschar *originator_name = NULL;
977 uid_t originator_uid;
978 uschar *override_local_interfaces = NULL;
979 uschar *override_pid_file_path = NULL;
980
981 BOOL parse_allow_group = FALSE;
982 BOOL parse_found_group = FALSE;
983 uschar *percent_hack_domains = NULL;
984 uschar *pid_file_path = US PID_FILE_PATH
985 "\0<--------------Space to patch pid_file_path->";
986 BOOL pipelining_enable = TRUE;
987 uschar *pipelining_advertise_hosts = US"*";
988 BOOL preserve_message_logs = FALSE;
989 uschar *primary_hostname = NULL;
990 BOOL print_topbitchars = FALSE;
991 uschar process_info[PROCESS_INFO_SIZE];
992 int process_info_len = 0;
993 uschar *process_log_path = NULL;
994 BOOL prod_requires_admin = TRUE;
995
996 #ifdef EXPERIMENTAL_PROXY
997 uschar *proxy_host_address = US"";
998 int proxy_host_port = 0;
999 uschar *proxy_required_hosts = US"";
1000 BOOL proxy_session = FALSE;
1001 BOOL proxy_session_failed = FALSE;
1002 uschar *proxy_target_address = US"";
1003 int proxy_target_port = 0;
1004 #endif
1005
1006 uschar *prvscheck_address = NULL;
1007 uschar *prvscheck_keynum = NULL;
1008 uschar *prvscheck_result = NULL;
1009
1010
1011 const uschar *qualify_domain_recipient = NULL;
1012 uschar *qualify_domain_sender = NULL;
1013 BOOL queue_2stage = FALSE;
1014 uschar *queue_domains = NULL;
1015 int queue_interval = -1;
1016 BOOL queue_list_requires_admin = TRUE;
1017 BOOL queue_only = FALSE;
1018 uschar *queue_only_file = NULL;
1019 int queue_only_load = -1;
1020 BOOL queue_only_load_latch = TRUE;
1021 BOOL queue_only_override = TRUE;
1022 BOOL queue_only_policy = FALSE;
1023 BOOL queue_run_first_delivery = FALSE;
1024 BOOL queue_run_force = FALSE;
1025 BOOL queue_run_in_order = FALSE;
1026 BOOL queue_run_local = FALSE;
1027 int queue_run_max = 5;
1028 pid_t queue_run_pid = (pid_t)0;
1029 int queue_run_pipe = -1;
1030 BOOL queue_running = FALSE;
1031 BOOL queue_smtp = FALSE;
1032 uschar *queue_smtp_domains = NULL;
1033
1034 unsigned int random_seed = 0;
1035 tree_node *ratelimiters_cmd = NULL;
1036 tree_node *ratelimiters_conn = NULL;
1037 tree_node *ratelimiters_mail = NULL;
1038 uschar *raw_active_hostname = NULL;
1039 uschar *raw_sender = NULL;
1040 uschar **raw_recipients = NULL;
1041 int raw_recipients_count = 0;
1042
1043 int rcpt_count = 0;
1044 int rcpt_fail_count = 0;
1045 int rcpt_defer_count = 0;
1046 gid_t real_gid;
1047 uid_t real_uid;
1048 BOOL really_exim = TRUE;
1049 BOOL receive_call_bombout = FALSE;
1050 int receive_linecount = 0;
1051 int receive_messagecount = 0;
1052 int receive_timeout = 0;
1053 int received_count = 0;
1054 uschar *received_for = NULL;
1055
1056 /* This is the default text for Received headers generated by Exim. The
1057 date will be automatically added on the end. */
1058
1059 uschar *received_header_text = US
1060 "Received: "
1061 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1062 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1063 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1064 "by $primary_hostname "
1065 "${if def:received_protocol {with $received_protocol}} "
1066 #ifdef SUPPORT_TLS
1067 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1068 #endif
1069 "(Exim $version_number)\n\t"
1070 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1071 "id $message_exim_id"
1072 "${if def:received_for {\n\tfor $received_for}}"
1073 "\0<---------------Space to patch received_header_text->";
1074
1075 int received_headers_max = 30;
1076 uschar *received_protocol = NULL;
1077 int received_time = 0;
1078 uschar *recipient_data = NULL;
1079 uschar *recipient_unqualified_hosts = NULL;
1080 uschar *recipient_verify_failure = NULL;
1081 int recipients_count = 0;
1082 BOOL recipients_discarded = FALSE;
1083 recipient_item *recipients_list = NULL;
1084 int recipients_list_max = 0;
1085 int recipients_max = 0;
1086 BOOL recipients_max_reject = FALSE;
1087 const pcre *regex_AUTH = NULL;
1088 const pcre *regex_check_dns_names = NULL;
1089 const pcre *regex_From = NULL;
1090 const pcre *regex_IGNOREQUOTA = NULL;
1091 const pcre *regex_PIPELINING = NULL;
1092 const pcre *regex_SIZE = NULL;
1093 const pcre *regex_smtp_code = NULL;
1094 const pcre *regex_ismsgid = NULL;
1095 #ifdef WHITELIST_D_MACROS
1096 const pcre *regex_whitelisted_macro = NULL;
1097 #endif
1098 #ifdef WITH_CONTENT_SCAN
1099 uschar *regex_match_string = NULL;
1100 #endif
1101 int remote_delivery_count = 0;
1102 int remote_max_parallel = 2;
1103 uschar *remote_sort_domains = NULL;
1104 int retry_data_expire = 7*24*60*60;
1105 int retry_interval_max = 24*60*60;
1106 int retry_maximum_timeout = 0; /* set from retry config */
1107 retry_config *retries = NULL;
1108 uschar *return_path = NULL;
1109 BOOL return_path_remove = TRUE;
1110 int rewrite_existflags = 0;
1111 uschar *rfc1413_hosts = US"@[]";
1112 int rfc1413_query_timeout = 0;
1113 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1114 uid_t root_gid = ROOT_GID;
1115 uid_t root_uid = ROOT_UID;
1116
1117 router_instance *routers = NULL;
1118 router_instance router_defaults = {
1119 NULL, /* chain pointer */
1120 NULL, /* name */
1121 NULL, /* info */
1122 NULL, /* private options block pointer */
1123 NULL, /* driver name */
1124
1125 NULL, /* address_data */
1126 #ifdef EXPERIMENTAL_BRIGHTMAIL
1127 NULL, /* bmi_rule */
1128 #endif
1129 NULL, /* cannot_route_message */
1130 NULL, /* condition */
1131 NULL, /* current_directory */
1132 NULL, /* debug_string */
1133 NULL, /* domains */
1134 NULL, /* errors_to */
1135 NULL, /* expand_gid */
1136 NULL, /* expand_uid */
1137 NULL, /* expand_more */
1138 NULL, /* expand_unseen */
1139 NULL, /* extra_headers */
1140 NULL, /* fallback_hosts */
1141 NULL, /* home_directory */
1142 NULL, /* ignore_target_hosts */
1143 NULL, /* local_parts */
1144 NULL, /* pass_router_name */
1145 NULL, /* prefix */
1146 NULL, /* redirect_router_name */
1147 NULL, /* remove_headers */
1148 NULL, /* require_files */
1149 NULL, /* router_home_directory */
1150 US"freeze", /* self */
1151 NULL, /* senders */
1152 NULL, /* suffix */
1153 NULL, /* translate_ip_address */
1154 NULL, /* transport_name */
1155
1156 TRUE, /* address_test */
1157 #ifdef EXPERIMENTAL_BRIGHTMAIL
1158 FALSE, /* bmi_deliver_alternate */
1159 FALSE, /* bmi_deliver_default */
1160 FALSE, /* bmi_dont_deliver */
1161 #endif
1162 TRUE, /* expn */
1163 FALSE, /* caseful_local_part */
1164 FALSE, /* check_local_user */
1165 FALSE, /* disable_logging */
1166 FALSE, /* fail_verify_recipient */
1167 FALSE, /* fail_verify_sender */
1168 FALSE, /* gid_set */
1169 FALSE, /* initgroups */
1170 TRUE_UNSET, /* log_as_local */
1171 TRUE, /* more */
1172 FALSE, /* pass_on_timeout */
1173 FALSE, /* prefix_optional */
1174 TRUE, /* repeat_use */
1175 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1176 FALSE, /* same_domain_copy_routing */
1177 FALSE, /* self_rewrite */
1178 FALSE, /* suffix_optional */
1179 FALSE, /* verify_only */
1180 TRUE, /* verify_recipient */
1181 TRUE, /* verify_sender */
1182 FALSE, /* uid_set */
1183 FALSE, /* unseen */
1184 FALSE, /* dsn_lasthop */
1185
1186 self_freeze, /* self_code */
1187 (uid_t)(-1), /* uid */
1188 (gid_t)(-1), /* gid */
1189
1190 NULL, /* fallback_hostlist */
1191 NULL, /* transport instance */
1192 NULL, /* pass_router */
1193 NULL, /* redirect_router */
1194
1195 { NULL, NULL }, /* dnssec_domains {require,request} */
1196 };
1197
1198 uschar *router_name = NULL;
1199
1200 ip_address_item *running_interfaces = NULL;
1201 BOOL running_in_test_harness = FALSE;
1202
1203 /* This is a weird one. The following string gets patched in the binary by the
1204 script that sets up a copy of Exim for running in the test harness. It seems
1205 that compilers are now clever, and share constant strings if they can.
1206 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1207 make use of the end of this string in order to save space. So the patching then
1208 wrecks this. We defeat this optimization by adding some additional characters
1209 onto the end of the string. */
1210
1211 uschar *running_status = US">>>running<<<" "\0EXTRA";
1212
1213 int runrc = 0;
1214
1215 uschar *search_error_message = NULL;
1216 BOOL search_find_defer = FALSE;
1217 uschar *self_hostname = NULL;
1218 uschar *sender_address = NULL;
1219 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1220 uschar *sender_address_data = NULL;
1221 BOOL sender_address_forced = FALSE;
1222 uschar *sender_address_unrewritten = NULL;
1223 uschar *sender_data = NULL;
1224 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1225 uschar *sender_fullhost = NULL;
1226 BOOL sender_helo_dnssec = FALSE;
1227 uschar *sender_helo_name = NULL;
1228 uschar **sender_host_aliases = &no_aliases;
1229 uschar *sender_host_address = NULL;
1230 uschar *sender_host_authenticated = NULL;
1231 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1232 BOOL sender_host_dnssec = FALSE;
1233 uschar *sender_host_name = NULL;
1234 int sender_host_port = 0;
1235 BOOL sender_host_notsocket = FALSE;
1236 BOOL sender_host_unknown = FALSE;
1237 uschar *sender_ident = NULL;
1238 BOOL sender_local = FALSE;
1239 BOOL sender_name_forced = FALSE;
1240 uschar *sender_rate = NULL;
1241 uschar *sender_rate_limit = NULL;
1242 uschar *sender_rate_period = NULL;
1243 uschar *sender_rcvhost = NULL;
1244 BOOL sender_set_untrusted = FALSE;
1245 uschar *sender_unqualified_hosts = NULL;
1246 uschar *sender_verify_failure = NULL;
1247 address_item *sender_verified_list = NULL;
1248 address_item *sender_verified_failed = NULL;
1249 int sender_verified_rc = -1;
1250 BOOL sender_verified_responded = FALSE;
1251 uschar *sending_ip_address = NULL;
1252 int sending_port = -1;
1253 SIGNAL_BOOL sigalrm_seen = FALSE;
1254 uschar **sighup_argv = NULL;
1255 int slow_lookup_log = 0; /* millisecs, zero disables */
1256 int smtp_accept_count = 0;
1257 BOOL smtp_accept_keepalive = TRUE;
1258 int smtp_accept_max = 20;
1259 int smtp_accept_max_nonmail= 10;
1260 uschar *smtp_accept_max_nonmail_hosts = US"*";
1261 int smtp_accept_max_per_connection = 1000;
1262 uschar *smtp_accept_max_per_host = NULL;
1263 int smtp_accept_queue = 0;
1264 int smtp_accept_queue_per_connection = 10;
1265 int smtp_accept_reserve = 0;
1266 uschar *smtp_active_hostname = NULL;
1267 BOOL smtp_authenticated = FALSE;
1268 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1269 "Exim $version_number $tod_full"
1270 "\0<---------------Space to patch smtp_banner->";
1271 BOOL smtp_batched_input = FALSE;
1272 BOOL smtp_check_spool_space = TRUE;
1273 int smtp_ch_index = 0;
1274 uschar *smtp_cmd_argument = NULL;
1275 uschar *smtp_cmd_buffer = NULL;
1276 time_t smtp_connection_start = 0;
1277 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1278 int smtp_connect_backlog = 20;
1279 double smtp_delay_mail = 0.0;
1280 double smtp_delay_rcpt = 0.0;
1281 BOOL smtp_enforce_sync = TRUE;
1282 FILE *smtp_in = NULL;
1283 BOOL smtp_input = FALSE;
1284 int smtp_load_reserve = -1;
1285 int smtp_mailcmd_count = 0;
1286 FILE *smtp_out = NULL;
1287 uschar *smtp_etrn_command = NULL;
1288 BOOL smtp_etrn_serialize = TRUE;
1289 int smtp_max_synprot_errors= 3;
1290 int smtp_max_unknown_commands = 3;
1291 uschar *smtp_notquit_reason = NULL;
1292 uschar *smtp_ratelimit_hosts = NULL;
1293 uschar *smtp_ratelimit_mail = NULL;
1294 uschar *smtp_ratelimit_rcpt = NULL;
1295 uschar *smtp_read_error = US"";
1296 int smtp_receive_timeout = 5*60;
1297 uschar *smtp_receive_timeout_s = NULL;
1298 uschar *smtp_reserve_hosts = NULL;
1299 BOOL smtp_return_error_details = FALSE;
1300 int smtp_rlm_base = 0;
1301 double smtp_rlm_factor = 0.0;
1302 int smtp_rlm_limit = 0;
1303 int smtp_rlm_threshold = INT_MAX;
1304 int smtp_rlr_base = 0;
1305 double smtp_rlr_factor = 0.0;
1306 int smtp_rlr_limit = 0;
1307 int smtp_rlr_threshold = INT_MAX;
1308 BOOL smtp_use_pipelining = FALSE;
1309 BOOL smtp_use_size = FALSE;
1310 #ifdef EXPERIMENTAL_INTERNATIONAL
1311 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1312 #endif
1313
1314 #ifdef WITH_CONTENT_SCAN
1315 uschar *spamd_address = US"127.0.0.1 783";
1316 uschar *spam_bar = NULL;
1317 uschar *spam_report = NULL;
1318 uschar *spam_action = NULL;
1319 uschar *spam_score = NULL;
1320 uschar *spam_score_int = NULL;
1321 #endif
1322 #ifdef EXPERIMENTAL_SPF
1323 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1324 uschar *spf_header_comment = NULL;
1325 uschar *spf_received = NULL;
1326 uschar *spf_result = NULL;
1327 uschar *spf_smtp_comment = NULL;
1328 #endif
1329
1330 BOOL split_spool_directory = FALSE;
1331 uschar *spool_directory = US SPOOL_DIRECTORY
1332 "\0<--------------Space to patch spool_directory->";
1333 #ifdef EXPERIMENTAL_SRS
1334 uschar *srs_config = NULL;
1335 uschar *srs_db_address = NULL;
1336 uschar *srs_db_key = NULL;
1337 int srs_hashlength = 6;
1338 int srs_hashmin = -1;
1339 int srs_maxage = 31;
1340 uschar *srs_orig_recipient = NULL;
1341 uschar *srs_orig_sender = NULL;
1342 uschar *srs_recipient = NULL;
1343 uschar *srs_secrets = NULL;
1344 uschar *srs_status = NULL;
1345 BOOL srs_usehash = TRUE;
1346 BOOL srs_usetimestamp = TRUE;
1347 #endif
1348 BOOL strict_acl_vars = FALSE;
1349 int string_datestamp_offset= -1;
1350 int string_datestamp_length= 0;
1351 int string_datestamp_type = -1;
1352 BOOL strip_excess_angle_brackets = FALSE;
1353 BOOL strip_trailing_dot = FALSE;
1354 uschar *submission_domain = NULL;
1355 BOOL submission_mode = FALSE;
1356 uschar *submission_name = NULL;
1357 BOOL suppress_local_fixups = FALSE;
1358 BOOL suppress_local_fixups_default = FALSE;
1359 BOOL synchronous_delivery = FALSE;
1360 BOOL syslog_duplication = TRUE;
1361 int syslog_facility = LOG_MAIL;
1362 uschar *syslog_processname = US"exim";
1363 BOOL syslog_timestamp = TRUE;
1364 uschar *system_filter = NULL;
1365
1366 uschar *system_filter_directory_transport = NULL;
1367 uschar *system_filter_file_transport = NULL;
1368 uschar *system_filter_pipe_transport = NULL;
1369 uschar *system_filter_reply_transport = NULL;
1370
1371 gid_t system_filter_gid = 0;
1372 BOOL system_filter_gid_set = FALSE;
1373 uid_t system_filter_uid = (uid_t)-1;
1374 BOOL system_filter_uid_set = FALSE;
1375 BOOL system_filtering = FALSE;
1376
1377 BOOL tcp_nodelay = TRUE;
1378 #ifdef USE_TCP_WRAPPERS
1379 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1380 #endif
1381 int test_harness_load_avg = 0;
1382 int thismessage_size_limit = 0;
1383 int timeout_frozen_after = 0;
1384 BOOL timestamps_utc = FALSE;
1385
1386 transport_instance *transports = NULL;
1387
1388 transport_instance transport_defaults = {
1389 NULL, /* chain pointer */
1390 NULL, /* name */
1391 NULL, /* info */
1392 NULL, /* private options block pointer */
1393 NULL, /* driver name */
1394 NULL, /* setup entry point */
1395 1, /* batch_max */
1396 NULL, /* batch_id */
1397 NULL, /* home_dir */
1398 NULL, /* current_dir */
1399 NULL, /* expand-multi-domain */
1400 TRUE, /* multi-domain */
1401 FALSE, /* overrides_hosts */
1402 100, /* max_addresses */
1403 500, /* connection_max_messages */
1404 FALSE, /* deliver_as_creator */
1405 FALSE, /* disable_logging */
1406 FALSE, /* initgroups */
1407 FALSE, /* uid_set */
1408 FALSE, /* gid_set */
1409 (uid_t)(-1), /* uid */
1410 (gid_t)(-1), /* gid */
1411 NULL, /* expand_uid */
1412 NULL, /* expand_gid */
1413 NULL, /* warn_message */
1414 NULL, /* shadow */
1415 NULL, /* shadow_condition */
1416 NULL, /* filter_command */
1417 NULL, /* add_headers */
1418 NULL, /* remove_headers */
1419 NULL, /* return_path */
1420 NULL, /* debug_string */
1421 NULL, /* message_size_limit */
1422 NULL, /* headers_rewrite */
1423 NULL, /* rewrite_rules */
1424 0, /* rewrite_existflags */
1425 300, /* filter_timeout */
1426 FALSE, /* body_only */
1427 FALSE, /* delivery_date_add */
1428 FALSE, /* envelope_to_add */
1429 FALSE, /* headers_only */
1430 FALSE, /* rcpt_include_affixes */
1431 FALSE, /* return_path_add */
1432 FALSE, /* return_output */
1433 FALSE, /* return_fail_output */
1434 FALSE, /* log_output */
1435 FALSE, /* log_fail_output */
1436 FALSE, /* log_defer_output */
1437 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1438 1 nor 0 so can detect unset */
1439 #ifdef EXPERIMENTAL_EVENT
1440 ,NULL /* event_action */
1441 #endif
1442 };
1443
1444 int transport_count;
1445 uschar *transport_name = NULL;
1446 int transport_newlines;
1447 const uschar **transport_filter_argv = NULL;
1448 int transport_filter_timeout;
1449 BOOL transport_filter_timed_out = FALSE;
1450 int transport_write_timeout= 0;
1451
1452 tree_node *tree_dns_fails = NULL;
1453 tree_node *tree_duplicates = NULL;
1454 tree_node *tree_nonrecipients = NULL;
1455 tree_node *tree_unusable = NULL;
1456
1457 BOOL trusted_caller = FALSE;
1458 BOOL trusted_config = TRUE;
1459 gid_t *trusted_groups = NULL;
1460 uid_t *trusted_users = NULL;
1461 uschar *timezone_string = US TIMEZONE_DEFAULT;
1462
1463 uschar *unknown_login = NULL;
1464 uschar *unknown_username = NULL;
1465 uschar *untrusted_set_sender = NULL;
1466
1467 /* A regex for matching a "From_" line in an incoming message, in the form
1468
1469 From ph10 Fri Jan 5 12:35 GMT 1996
1470
1471 which the "mail" commands send to the MTA (undocumented, of course), or in
1472 the form
1473
1474 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1475
1476 which is apparently used by some UUCPs, despite it not being in RFC 976.
1477 Because of variations in time formats, just match up to the minutes. That
1478 should be sufficient. Examples have been seen of time fields like 12:1:03,
1479 so just require one digit for hours and minutes. The weekday is also absent
1480 in some forms. */
1481
1482 uschar *uucp_from_pattern = US
1483 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1484 "(?:" /* Non-extracting bracket */
1485 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1486 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1487 ")" /* End alternation */
1488 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1489
1490 uschar *uucp_from_sender = US"$1";
1491
1492 uschar *verify_mode = NULL;
1493 uschar *version_copyright =
1494 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1495 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1496 uschar *version_date = US"?";
1497 uschar *version_cnumber = US"????";
1498 uschar *version_string = US"?";
1499
1500 uschar *warn_message_file = NULL;
1501 int warning_count = 0;
1502 uschar *warnmsg_delay = NULL;
1503 uschar *warnmsg_recipients = NULL;
1504 BOOL write_rejectlog = TRUE;
1505
1506
1507 /* End of globals.c */
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