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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 - 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 LOOKUP_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 = US"*";
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 #else /*!SUPPORT_TLS*/
171 uschar *tls_advertise_hosts = NULL;
172 #endif
173
174 #ifndef DISABLE_PRDR
175 /* Per Recipient Data Response variables */
176 BOOL prdr_enable = FALSE;
177 BOOL prdr_requested = FALSE;
178 const pcre *regex_PRDR = NULL;
179 #endif
180
181 #ifdef SUPPORT_I18N
182 const pcre *regex_UTF8 = NULL;
183 #endif
184
185 /* Input-reading functions for messages, so we can use special ones for
186 incoming TCP/IP. The defaults use stdin. We never need these for any
187 stand-alone tests. */
188
189 #ifndef STAND_ALONE
190 int (*receive_getc)(void) = stdin_getc;
191 int (*receive_ungetc)(int) = stdin_ungetc;
192 int (*receive_feof)(void) = stdin_feof;
193 int (*receive_ferror)(void) = stdin_ferror;
194 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
195 #endif
196
197
198 /* List of per-address expansion variables for clearing and saving/restoring
199 when verifying one address while routing/verifying another. We have to have
200 the size explicit, because it is referenced from more than one module. */
201
202 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
203 CUSS &deliver_address_data,
204 CUSS &deliver_domain,
205 CUSS &deliver_domain_data,
206 CUSS &deliver_domain_orig,
207 CUSS &deliver_domain_parent,
208 CUSS &deliver_localpart,
209 CUSS &deliver_localpart_data,
210 CUSS &deliver_localpart_orig,
211 CUSS &deliver_localpart_parent,
212 CUSS &deliver_localpart_prefix,
213 CUSS &deliver_localpart_suffix,
214 CUSS (uschar **)(&deliver_recipients),
215 CUSS &deliver_host,
216 CUSS &deliver_home,
217 CUSS &address_file,
218 CUSS &address_pipe,
219 CUSS &self_hostname,
220 NULL };
221
222 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
223
224 /* General global variables */
225
226 header_line *acl_added_headers = NULL;
227 tree_node *acl_anchor = NULL;
228 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
229 NULL, NULL, NULL, NULL};
230 int acl_narg = 0;
231
232 uschar *acl_not_smtp = NULL;
233 #ifdef WITH_CONTENT_SCAN
234 uschar *acl_not_smtp_mime = NULL;
235 #endif
236 uschar *acl_not_smtp_start = NULL;
237 uschar *acl_removed_headers = NULL;
238 uschar *acl_smtp_auth = NULL;
239 uschar *acl_smtp_connect = NULL;
240 uschar *acl_smtp_data = NULL;
241 #ifndef DISABLE_PRDR
242 uschar *acl_smtp_data_prdr = US"accept";
243 #endif
244 #ifndef DISABLE_DKIM
245 uschar *acl_smtp_dkim = NULL;
246 #endif
247 uschar *acl_smtp_etrn = NULL;
248 uschar *acl_smtp_expn = NULL;
249 uschar *acl_smtp_helo = NULL;
250 uschar *acl_smtp_mail = NULL;
251 uschar *acl_smtp_mailauth = NULL;
252 #ifdef WITH_CONTENT_SCAN
253 uschar *acl_smtp_mime = NULL;
254 #endif
255 uschar *acl_smtp_notquit = NULL;
256 uschar *acl_smtp_predata = NULL;
257 uschar *acl_smtp_quit = NULL;
258 uschar *acl_smtp_rcpt = NULL;
259 uschar *acl_smtp_starttls = NULL;
260 uschar *acl_smtp_vrfy = NULL;
261
262 BOOL acl_temp_details = FALSE;
263 tree_node *acl_var_c = NULL;
264 tree_node *acl_var_m = NULL;
265 uschar *acl_verify_message = NULL;
266 string_item *acl_warn_logged = NULL;
267
268 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
269 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
270
271 uschar *acl_wherenames[] = { US"RCPT",
272 US"MAIL",
273 US"PREDATA",
274 US"MIME",
275 US"DKIM",
276 US"DATA",
277 #ifndef DISABLE_PRDR
278 US"PRDR",
279 #endif
280 US"non-SMTP",
281 US"AUTH",
282 US"connection",
283 US"ETRN",
284 US"EXPN",
285 US"EHLO or HELO",
286 US"MAILAUTH",
287 US"non-SMTP-start",
288 US"NOTQUIT",
289 US"QUIT",
290 US"STARTTLS",
291 US"VRFY",
292 US"delivery",
293 US"unknown"
294 };
295
296 uschar *acl_wherecodes[] = { US"550", /* RCPT */
297 US"550", /* MAIL */
298 US"550", /* PREDATA */
299 US"550", /* MIME */
300 US"550", /* DKIM */
301 US"550", /* DATA */
302 #ifndef DISABLE_PRDR
303 US"550", /* RCPT PRDR */
304 #endif
305 US"0", /* not SMTP; not relevant */
306 US"503", /* AUTH */
307 US"550", /* connect */
308 US"458", /* ETRN */
309 US"550", /* EXPN */
310 US"550", /* HELO/EHLO */
311 US"0", /* MAILAUTH; not relevant */
312 US"0", /* not SMTP; not relevant */
313 US"0", /* NOTQUIT; not relevant */
314 US"0", /* QUIT; not relevant */
315 US"550", /* STARTTLS */
316 US"252", /* VRFY */
317 US"0", /* delivery; not relevant */
318 US"0" /* unknown; not relevant */
319 };
320
321 BOOL active_local_from_check = FALSE;
322 BOOL active_local_sender_retain = FALSE;
323 int body_8bitmime = 0;
324 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
325 address_item *addr_duplicate = NULL;
326
327 address_item address_defaults = {
328 NULL, /* next */
329 NULL, /* parent */
330 NULL, /* first */
331 NULL, /* dupof */
332 NULL, /* start_router */
333 NULL, /* router */
334 NULL, /* transport */
335 NULL, /* host_list */
336 NULL, /* host_used */
337 NULL, /* fallback_hosts */
338 NULL, /* reply */
339 NULL, /* retries */
340 NULL, /* address */
341 NULL, /* unique */
342 NULL, /* cc_local_part */
343 NULL, /* lc_local_part */
344 NULL, /* local_part */
345 NULL, /* prefix */
346 NULL, /* suffix */
347 NULL, /* domain */
348 NULL, /* address_retry_key */
349 NULL, /* domain_retry_key */
350 NULL, /* current_dir */
351 NULL, /* home_dir */
352 NULL, /* message */
353 NULL, /* user_message */
354 NULL, /* onetime_parent */
355 NULL, /* pipe_expandn */
356 NULL, /* return_filename */
357 NULL, /* self_hostname */
358 NULL, /* shadow_message */
359 #ifdef SUPPORT_TLS
360 NULL, /* cipher */
361 NULL, /* ourcert */
362 NULL, /* peercert */
363 NULL, /* peerdn */
364 OCSP_NOT_REQ, /* ocsp */
365 #endif
366 #ifdef EXPERIMENTAL_DSN_INFO
367 NULL, /* smtp_greeting */
368 NULL, /* helo_response */
369 #endif
370 NULL, /* authenticator */
371 NULL, /* auth_id */
372 NULL, /* auth_sndr */
373 NULL, /* dsn_orcpt */
374 0, /* dsn_flags */
375 0, /* dsn_aware */
376 (uid_t)(-1), /* uid */
377 (gid_t)(-1), /* gid */
378 0, /* flags */
379 { 0 }, /* domain_cache - any larger array should be zeroed */
380 { 0 }, /* localpart_cache - ditto */
381 -1, /* mode */
382 0, /* more_errno */
383 ERRNO_UNKNOWNERROR, /* basic_errno */
384 0, /* child_count */
385 -1, /* return_file */
386 SPECIAL_NONE, /* special_action */
387 DEFER, /* transport_return */
388 { /* fields that are propagated to children */
389 NULL, /* address_data */
390 NULL, /* domain_data */
391 NULL, /* localpart_data */
392 NULL, /* errors_address */
393 NULL, /* extra_headers */
394 NULL, /* remove_headers */
395 #ifdef EXPERIMENTAL_SRS
396 NULL, /* srs_sender */
397 #endif
398 #ifdef SUPPORT_I18N
399 FALSE, /* utf8 */
400 #endif
401 }
402 };
403
404 uschar *address_file = NULL;
405 uschar *address_pipe = NULL;
406 BOOL address_test_mode = FALSE;
407 tree_node *addresslist_anchor = NULL;
408 int addresslist_count = 0;
409 gid_t *admin_groups = NULL;
410 BOOL admin_user = FALSE;
411 BOOL allow_auth_unadvertised= FALSE;
412 BOOL allow_domain_literals = FALSE;
413 BOOL allow_mx_to_ip = FALSE;
414 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
415 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
416 BOOL allow_utf8_domains = FALSE;
417 uschar *authenticated_fail_id = NULL;
418 uschar *authenticated_id = NULL;
419 uschar *authenticated_sender = NULL;
420 BOOL authentication_failed = FALSE;
421 auth_instance *auths = NULL;
422 uschar *auth_advertise_hosts = US"*";
423 auth_instance auth_defaults = {
424 NULL, /* chain pointer */
425 NULL, /* name */
426 NULL, /* info */
427 NULL, /* private options block pointer */
428 NULL, /* driver_name */
429 NULL, /* advertise_condition */
430 NULL, /* client_condition */
431 NULL, /* public_name */
432 NULL, /* set_id */
433 NULL, /* set_client_id */
434 NULL, /* server_mail_auth_condition */
435 NULL, /* server_debug_string */
436 NULL, /* server_condition */
437 FALSE, /* client */
438 FALSE, /* server */
439 FALSE /* advertised */
440 };
441
442 uschar *auth_defer_msg = US"reason not recorded";
443 uschar *auth_defer_user_msg = US"";
444 uschar *auth_vars[AUTH_VARS];
445 int auto_thaw = 0;
446 #ifdef WITH_CONTENT_SCAN
447 BOOL av_failed = FALSE;
448 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
449 #endif
450
451 BOOL background_daemon = TRUE;
452
453 #if BASE_62 == 62
454 uschar *base62_chars=
455 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
456 #else
457 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
458 #endif
459
460 uschar *bi_command = NULL;
461 uschar *big_buffer = NULL;
462 int big_buffer_size = BIG_BUFFER_SIZE;
463 #ifdef EXPERIMENTAL_BRIGHTMAIL
464 uschar *bmi_alt_location = NULL;
465 uschar *bmi_base64_tracker_verdict = NULL;
466 uschar *bmi_base64_verdict = NULL;
467 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
468 int bmi_deliver = 1;
469 int bmi_run = 0;
470 uschar *bmi_verdicts = NULL;
471 #endif
472 int body_linecount = 0;
473 int body_zerocount = 0;
474 uschar *bounce_message_file = NULL;
475 uschar *bounce_message_text = NULL;
476 uschar *bounce_recipient = NULL;
477 BOOL bounce_return_body = TRUE;
478 int bounce_return_linesize_limit = 998;
479 BOOL bounce_return_message = TRUE;
480 int bounce_return_size_limit = 100*1024;
481 uschar *bounce_sender_authentication = NULL;
482 int bsmtp_transaction_linecount = 0;
483
484 uschar *callout_address = NULL;
485 int callout_cache_domain_positive_expire = 7*24*60*60;
486 int callout_cache_domain_negative_expire = 3*60*60;
487 int callout_cache_positive_expire = 24*60*60;
488 int callout_cache_negative_expire = 2*60*60;
489 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
490 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
491 int check_log_inodes = 0;
492 int check_log_space = 0;
493 BOOL check_rfc2047_length = TRUE;
494 int check_spool_inodes = 0;
495 int check_spool_space = 0;
496 uschar *client_authenticator = NULL;
497 uschar *client_authenticated_id = NULL;
498 uschar *client_authenticated_sender = NULL;
499 int clmacro_count = 0;
500 uschar *clmacros[MAX_CLMACROS];
501 BOOL config_changed = FALSE;
502 FILE *config_file = NULL;
503 uschar *config_filename = NULL;
504 int config_lineno = 0;
505 #ifdef CONFIGURE_GROUP
506 gid_t config_gid = CONFIGURE_GROUP;
507 #endif
508 uschar *config_main_filelist = US CONFIGURE_FILE
509 "\0<-----------Space to patch configure_filename->";
510 uschar *config_main_filename = NULL;
511 uschar *config_main_directory = NULL;
512
513 #ifdef CONFIGURE_OWNER
514 uid_t config_uid = CONFIGURE_OWNER;
515 #endif
516
517 int connection_max_messages= -1;
518 uschar *continue_hostname = NULL;
519 uschar *continue_host_address = NULL;
520 BOOL continue_more = FALSE;
521 int continue_sequence = 1;
522 uschar *continue_transport = NULL;
523
524 uschar *csa_status = NULL;
525 cut_t cutthrough = {
526 FALSE, /* delivery: when to attempt */
527 -1, /* fd: open connection */
528 0, /* nrcpt: number of addresses */
529 };
530
531 BOOL daemon_listen = FALSE;
532 uschar *daemon_smtp_port = US"smtp";
533 int daemon_startup_retries = 9;
534 int daemon_startup_sleep = 30;
535
536 #ifdef EXPERIMENTAL_DCC
537 BOOL dcc_direct_add_header = FALSE;
538 uschar *dcc_header = NULL;
539 uschar *dcc_result = NULL;
540 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
541 uschar *dccifd_options = US"header";
542 #endif
543
544 BOOL debug_daemon = FALSE;
545 int debug_fd = -1;
546 FILE *debug_file = NULL;
547 int debug_notall[] = {
548 Di_memory,
549 -1
550 };
551 bit_table debug_options[] = { /* must be in alphabetical order */
552 BIT_TABLE(D, acl),
553 BIT_TABLE(D, all),
554 BIT_TABLE(D, auth),
555 BIT_TABLE(D, deliver),
556 BIT_TABLE(D, dns),
557 BIT_TABLE(D, dnsbl),
558 BIT_TABLE(D, exec),
559 BIT_TABLE(D, expand),
560 BIT_TABLE(D, filter),
561 BIT_TABLE(D, hints_lookup),
562 BIT_TABLE(D, host_lookup),
563 BIT_TABLE(D, ident),
564 BIT_TABLE(D, interface),
565 BIT_TABLE(D, lists),
566 BIT_TABLE(D, load),
567 BIT_TABLE(D, local_scan),
568 BIT_TABLE(D, lookup),
569 BIT_TABLE(D, memory),
570 BIT_TABLE(D, pid),
571 BIT_TABLE(D, process_info),
572 BIT_TABLE(D, queue_run),
573 BIT_TABLE(D, receive),
574 BIT_TABLE(D, resolver),
575 BIT_TABLE(D, retry),
576 BIT_TABLE(D, rewrite),
577 BIT_TABLE(D, route),
578 BIT_TABLE(D, timestamp),
579 BIT_TABLE(D, tls),
580 BIT_TABLE(D, transport),
581 BIT_TABLE(D, uid),
582 BIT_TABLE(D, verify),
583 };
584 int debug_options_count = nelem(debug_options);
585
586 unsigned int debug_selector = 0;
587 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
588 uschar *delay_warning_condition=
589 US"${if or {"
590 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
591 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
592 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
593 "} {no}{yes}}";
594 BOOL delivery_date_remove = TRUE;
595 uschar *deliver_address_data = NULL;
596 int deliver_datafile = -1;
597 const uschar *deliver_domain = NULL;
598 uschar *deliver_domain_data = NULL;
599 const uschar *deliver_domain_orig = NULL;
600 const uschar *deliver_domain_parent = NULL;
601 BOOL deliver_drop_privilege = FALSE;
602 BOOL deliver_firsttime = FALSE;
603 BOOL deliver_force = FALSE;
604 BOOL deliver_freeze = FALSE;
605 time_t deliver_frozen_at = 0;
606 uschar *deliver_home = NULL;
607 const uschar *deliver_host = NULL;
608 const uschar *deliver_host_address = NULL;
609 int deliver_host_port = 0;
610 uschar *deliver_in_buffer = NULL;
611 ino_t deliver_inode = 0;
612 uschar *deliver_localpart = NULL;
613 uschar *deliver_localpart_data = NULL;
614 uschar *deliver_localpart_orig = NULL;
615 uschar *deliver_localpart_parent = NULL;
616 uschar *deliver_localpart_prefix = NULL;
617 uschar *deliver_localpart_suffix = NULL;
618 BOOL deliver_force_thaw = FALSE;
619 BOOL deliver_manual_thaw = FALSE;
620 uschar *deliver_out_buffer = NULL;
621 int deliver_queue_load_max = -1;
622 address_item *deliver_recipients = NULL;
623 uschar *deliver_selectstring = NULL;
624 BOOL deliver_selectstring_regex = FALSE;
625 uschar *deliver_selectstring_sender = NULL;
626 BOOL deliver_selectstring_sender_regex = FALSE;
627 #ifdef WITH_OLD_DEMIME
628 int demime_errorlevel = 0;
629 int demime_ok = 0;
630 uschar *demime_reason = NULL;
631 #endif
632 BOOL disable_callout_flush = FALSE;
633 BOOL disable_delay_flush = FALSE;
634 #ifdef ENABLE_DISABLE_FSYNC
635 BOOL disable_fsync = FALSE;
636 #endif
637 BOOL disable_ipv6 = FALSE;
638 BOOL disable_logging = FALSE;
639
640 #ifndef DISABLE_DKIM
641 BOOL dkim_collect_input = FALSE;
642 uschar *dkim_cur_signer = NULL;
643 BOOL dkim_disable_verify = FALSE;
644 int dkim_key_length = 0;
645 uschar *dkim_signers = NULL;
646 uschar *dkim_signing_domain = NULL;
647 uschar *dkim_signing_selector = NULL;
648 uschar *dkim_verify_signers = US"$dkim_signers";
649 #endif
650 #ifdef EXPERIMENTAL_DMARC
651 BOOL dmarc_has_been_checked = FALSE;
652 uschar *dmarc_ar_header = NULL;
653 uschar *dmarc_domain_policy = NULL;
654 uschar *dmarc_forensic_sender = NULL;
655 uschar *dmarc_history_file = NULL;
656 uschar *dmarc_status = NULL;
657 uschar *dmarc_status_text = NULL;
658 uschar *dmarc_tld_file = NULL;
659 uschar *dmarc_used_domain = NULL;
660 BOOL dmarc_disable_verify = FALSE;
661 BOOL dmarc_enable_forensic = FALSE;
662 #endif
663
664 uschar *dns_again_means_nonexist = NULL;
665 int dns_csa_search_limit = 5;
666 BOOL dns_csa_use_reverse = TRUE;
667 #ifdef EXPERIMENTAL_DANE
668 int dns_dane_ok = -1;
669 #endif
670 uschar *dns_ipv4_lookup = NULL;
671 int dns_retrans = 0;
672 int dns_retry = 0;
673 int dns_dnssec_ok = -1; /* <0 = not coerced */
674 uschar *dns_trust_aa = NULL;
675 int dns_use_edns0 = -1; /* <0 = not coerced */
676 uschar *dnslist_domain = NULL;
677 uschar *dnslist_matched = NULL;
678 uschar *dnslist_text = NULL;
679 uschar *dnslist_value = NULL;
680 tree_node *domainlist_anchor = NULL;
681 int domainlist_count = 0;
682 BOOL dont_deliver = FALSE;
683 BOOL dot_ends = TRUE;
684 BOOL drop_cr = FALSE; /* No longer used */
685 uschar *dsn_from = US DEFAULT_DSN_FROM;
686
687 BOOL enable_dollar_recipients = FALSE;
688 BOOL envelope_to_remove = TRUE;
689 int errno_quota = ERRNO_QUOTA;
690 uschar *errors_copy = NULL;
691 int error_handling = ERRORS_SENDER;
692 uschar *errors_reply_to = NULL;
693 int errors_sender_rc = EXIT_FAILURE;
694 #ifndef DISABLE_EVENT
695 uschar *event_action = NULL; /* expansion for delivery events */
696 uschar *event_data = NULL; /* auxilary data variable for event */
697 int event_defer_errno = 0;
698 const uschar *event_name = NULL; /* event name variable */
699 #endif
700
701
702 gid_t exim_gid = EXIM_GID;
703 BOOL exim_gid_set = TRUE; /* This gid is always set */
704 uschar *exim_path = US BIN_DIRECTORY "/exim"
705 "\0<---------------Space to patch exim_path->";
706 uid_t exim_uid = EXIM_UID;
707 BOOL exim_uid_set = TRUE; /* This uid is always set */
708 int expand_forbid = 0;
709 int expand_nlength[EXPAND_MAXN+1];
710 int expand_nmax = -1;
711 uschar *expand_nstring[EXPAND_MAXN+1];
712 BOOL expand_string_forcedfail = FALSE;
713 uschar *expand_string_message;
714 BOOL extract_addresses_remove_arguments = TRUE;
715 uschar *extra_local_interfaces = NULL;
716
717 int fake_response = OK;
718 uschar *fake_response_text = US"Your message has been rejected but is "
719 "being kept for evaluation.\nIf it was a "
720 "legitimate message, it may still be "
721 "delivered to the target recipient(s).";
722 int filter_n[FILTER_VARIABLE_COUNT];
723 BOOL filter_running = FALSE;
724 int filter_sn[FILTER_VARIABLE_COUNT];
725 int filter_test = FTEST_NONE;
726 uschar *filter_test_sfile = NULL;
727 uschar *filter_test_ufile = NULL;
728 uschar *filter_thisaddress = NULL;
729 int finduser_retries = 0;
730 #ifdef WITH_OLD_DEMIME
731 uschar *found_extension = NULL;
732 #endif
733 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
734 uschar *freeze_tell = NULL;
735 uschar *freeze_tell_config = NULL;
736 uschar *fudged_queue_times = US"";
737
738 uschar *gecos_name = NULL;
739 uschar *gecos_pattern = NULL;
740 rewrite_rule *global_rewrite_rules = NULL;
741
742 uschar *headers_charset = US HEADERS_CHARSET;
743 int header_insert_maxlen = 64 * 1024;
744 header_line *header_last = NULL;
745 header_line *header_list = NULL;
746 int header_maxsize = HEADER_MAXSIZE;
747 int header_line_maxsize = 0;
748
749 header_name header_names[] = {
750 { US"bcc", 3, TRUE, htype_bcc },
751 { US"cc", 2, TRUE, htype_cc },
752 { US"date", 4, TRUE, htype_date },
753 { US"delivery-date", 13, FALSE, htype_delivery_date },
754 { US"envelope-to", 11, FALSE, htype_envelope_to },
755 { US"from", 4, TRUE, htype_from },
756 { US"message-id", 10, TRUE, htype_id },
757 { US"received", 8, FALSE, htype_received },
758 { US"reply-to", 8, FALSE, htype_reply_to },
759 { US"return-path", 11, FALSE, htype_return_path },
760 { US"sender", 6, TRUE, htype_sender },
761 { US"subject", 7, FALSE, htype_subject },
762 { US"to", 2, TRUE, htype_to }
763 };
764
765 int header_names_size = sizeof(header_names)/sizeof(header_name);
766
767 BOOL header_rewritten = FALSE;
768 uschar *helo_accept_junk_hosts = NULL;
769 uschar *helo_allow_chars = US"";
770 uschar *helo_lookup_domains = US"@ : @[]";
771 uschar *helo_try_verify_hosts = NULL;
772 BOOL helo_verified = FALSE;
773 BOOL helo_verify_failed = FALSE;
774 uschar *helo_verify_hosts = NULL;
775 const uschar *hex_digits = CUS"0123456789abcdef";
776 uschar *hold_domains = NULL;
777 BOOL host_checking = FALSE;
778 BOOL host_checking_callout = FALSE;
779 uschar *host_data = NULL;
780 BOOL host_find_failed_syntax= FALSE;
781 uschar *host_lookup = NULL;
782 BOOL host_lookup_deferred = FALSE;
783 BOOL host_lookup_failed = FALSE;
784 uschar *host_lookup_order = US"bydns:byaddr";
785 uschar *host_lookup_msg = US"";
786 int host_number = 0;
787 uschar *host_number_string = NULL;
788 uschar *host_reject_connection = NULL;
789 tree_node *hostlist_anchor = NULL;
790 int hostlist_count = 0;
791 uschar *hosts_treat_as_local = NULL;
792 uschar *hosts_connection_nolog = NULL;
793
794 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
795 BOOL ignore_fromline_local = FALSE;
796 uschar *ignore_fromline_hosts = NULL;
797 BOOL inetd_wait_mode = FALSE;
798 int inetd_wait_timeout = -1;
799 uschar *interface_address = NULL;
800 int interface_port = -1;
801 BOOL is_inetd = FALSE;
802 uschar *iterate_item = NULL;
803
804 int journal_fd = -1;
805
806 int keep_malformed = 4*24*60*60; /* 4 days */
807
808 uschar *eldap_dn = NULL;
809 int load_average = -2;
810 BOOL local_error_message = FALSE;
811 BOOL local_from_check = TRUE;
812 uschar *local_from_prefix = NULL;
813 uschar *local_from_suffix = NULL;
814
815 #if HAVE_IPV6
816 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
817 #else
818 uschar *local_interfaces = US"0.0.0.0";
819 #endif
820
821 uschar *local_scan_data = NULL;
822 int local_scan_timeout = 5*60;
823 BOOL local_sender_retain = FALSE;
824 gid_t local_user_gid = (gid_t)(-1);
825 uid_t local_user_uid = (uid_t)(-1);
826
827 tree_node *localpartlist_anchor= NULL;
828 int localpartlist_count = 0;
829 uschar *log_buffer = NULL;
830
831 int log_default[] = { /* for initializing log_selector */
832 Li_acl_warn_skipped,
833 Li_connection_reject,
834 Li_delay_delivery,
835 Li_dnslist_defer,
836 Li_etrn,
837 Li_host_lookup_failed,
838 Li_lost_incoming_connection,
839 Li_outgoing_interface, /* see d_log_interface in deliver.c */
840 Li_queue_run,
841 Li_rejected_header,
842 Li_retry_defer,
843 Li_sender_verify_fail,
844 Li_size_reject,
845 Li_skip_delivery,
846 Li_smtp_confirmation,
847 Li_tls_certificate_verified,
848 Li_tls_cipher,
849 -1
850 };
851
852 uschar *log_file_path = US LOG_FILE_PATH
853 "\0<--------------Space to patch log_file_path->";
854
855 int log_notall[] = {
856 -1
857 };
858 bit_table log_options[] = { /* must be in alphabetical order */
859 BIT_TABLE(L, 8bitmime),
860 BIT_TABLE(L, acl_warn_skipped),
861 BIT_TABLE(L, address_rewrite),
862 BIT_TABLE(L, all),
863 BIT_TABLE(L, all_parents),
864 BIT_TABLE(L, arguments),
865 BIT_TABLE(L, connection_reject),
866 BIT_TABLE(L, delay_delivery),
867 BIT_TABLE(L, deliver_time),
868 BIT_TABLE(L, delivery_size),
869 BIT_TABLE(L, dnslist_defer),
870 BIT_TABLE(L, etrn),
871 BIT_TABLE(L, host_lookup_failed),
872 BIT_TABLE(L, ident_timeout),
873 BIT_TABLE(L, incoming_interface),
874 BIT_TABLE(L, incoming_port),
875 BIT_TABLE(L, lost_incoming_connection),
876 BIT_TABLE(L, outgoing_interface),
877 BIT_TABLE(L, outgoing_port),
878 BIT_TABLE(L, pid),
879 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
880 BIT_TABLE(L, proxy),
881 #endif
882 BIT_TABLE(L, queue_run),
883 BIT_TABLE(L, queue_time),
884 BIT_TABLE(L, queue_time_overall),
885 BIT_TABLE(L, received_recipients),
886 BIT_TABLE(L, received_sender),
887 BIT_TABLE(L, rejected_header),
888 { US"rejected_headers", Li_rejected_header },
889 BIT_TABLE(L, retry_defer),
890 BIT_TABLE(L, return_path_on_delivery),
891 BIT_TABLE(L, sender_on_delivery),
892 BIT_TABLE(L, sender_verify_fail),
893 BIT_TABLE(L, size_reject),
894 BIT_TABLE(L, skip_delivery),
895 BIT_TABLE(L, smtp_confirmation),
896 BIT_TABLE(L, smtp_connection),
897 BIT_TABLE(L, smtp_incomplete_transaction),
898 BIT_TABLE(L, smtp_mailauth),
899 BIT_TABLE(L, smtp_no_mail),
900 BIT_TABLE(L, smtp_protocol_error),
901 BIT_TABLE(L, smtp_syntax_error),
902 BIT_TABLE(L, subject),
903 BIT_TABLE(L, tls_certificate_verified),
904 BIT_TABLE(L, tls_cipher),
905 BIT_TABLE(L, tls_peerdn),
906 BIT_TABLE(L, tls_sni),
907 BIT_TABLE(L, unknown_in_list),
908 };
909 int log_options_count = nelem(log_options);
910
911 int log_reject_target = 0;
912 unsigned int log_selector[log_selector_size]; /* initialized in main() */
913 uschar *log_selector_string = NULL;
914 FILE *log_stderr = NULL;
915 BOOL log_testing_mode = FALSE;
916 BOOL log_timezone = FALSE;
917 uschar *login_sender_address = NULL;
918 uschar *lookup_dnssec_authenticated = NULL;
919 int lookup_open_max = 25;
920 uschar *lookup_value = NULL;
921
922 macro_item *macros = NULL;
923 uschar *mailstore_basename = NULL;
924 #ifdef WITH_CONTENT_SCAN
925 uschar *malware_name = NULL; /* Virus Name */
926 #endif
927 int max_received_linelength= 0;
928 int max_username_length = 0;
929 int message_age = 0;
930 uschar *message_body = NULL;
931 uschar *message_body_end = NULL;
932 BOOL message_body_newlines = FALSE;
933 int message_body_size = 0;
934 int message_body_visible = 500;
935 int message_ended = END_NOTSTARTED;
936 uschar *message_headers = NULL;
937 uschar *message_id;
938 uschar *message_id_domain = NULL;
939 uschar *message_id_text = NULL;
940 struct timeval message_id_tv = { 0, 0 };
941 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
942 uschar *message_id_external;
943 int message_linecount = 0;
944 BOOL message_logs = TRUE;
945 int message_size = 0;
946 uschar *message_size_limit = US"50M";
947 #ifdef SUPPORT_I18N
948 BOOL message_smtputf8 = FALSE;
949 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
950 #endif
951 uschar message_subdir[2] = { 0, 0 };
952 uschar *message_reference = NULL;
953
954 /* MIME ACL expandables */
955 #ifdef WITH_CONTENT_SCAN
956 int mime_anomaly_level = 0;
957 const uschar *mime_anomaly_text = NULL;
958 uschar *mime_boundary = NULL;
959 uschar *mime_charset = NULL;
960 uschar *mime_content_description = NULL;
961 uschar *mime_content_disposition = NULL;
962 uschar *mime_content_id = NULL;
963 unsigned int mime_content_size = 0;
964 uschar *mime_content_transfer_encoding = NULL;
965 uschar *mime_content_type = NULL;
966 uschar *mime_decoded_filename = NULL;
967 uschar *mime_filename = NULL;
968 int mime_is_multipart = 0;
969 int mime_is_coverletter = 0;
970 int mime_is_rfc822 = 0;
971 int mime_part_count = -1;
972 #endif
973
974 BOOL mua_wrapper = FALSE;
975
976 uid_t *never_users = NULL;
977 #ifdef WITH_CONTENT_SCAN
978 BOOL no_mbox_unspool = FALSE;
979 #endif
980 BOOL no_multiline_responses = FALSE;
981
982 uid_t original_euid;
983 gid_t originator_gid;
984 uschar *originator_login = NULL;
985 uschar *originator_name = NULL;
986 uid_t originator_uid;
987 uschar *override_local_interfaces = NULL;
988 uschar *override_pid_file_path = NULL;
989
990 BOOL parse_allow_group = FALSE;
991 BOOL parse_found_group = FALSE;
992 uschar *percent_hack_domains = NULL;
993 uschar *pid_file_path = US PID_FILE_PATH
994 "\0<--------------Space to patch pid_file_path->";
995 BOOL pipelining_enable = TRUE;
996 uschar *pipelining_advertise_hosts = US"*";
997 BOOL preserve_message_logs = FALSE;
998 uschar *primary_hostname = NULL;
999 BOOL print_topbitchars = FALSE;
1000 uschar process_info[PROCESS_INFO_SIZE];
1001 int process_info_len = 0;
1002 uschar *process_log_path = NULL;
1003 BOOL prod_requires_admin = TRUE;
1004
1005 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1006 uschar *hosts_proxy = US"";
1007 uschar *proxy_external_address = US"";
1008 int proxy_external_port = 0;
1009 uschar *proxy_local_address = US"";
1010 int proxy_local_port = 0;
1011 BOOL proxy_session = FALSE;
1012 BOOL proxy_session_failed = FALSE;
1013 #endif
1014
1015 uschar *prvscheck_address = NULL;
1016 uschar *prvscheck_keynum = NULL;
1017 uschar *prvscheck_result = NULL;
1018
1019
1020 const uschar *qualify_domain_recipient = NULL;
1021 uschar *qualify_domain_sender = NULL;
1022 BOOL queue_2stage = FALSE;
1023 uschar *queue_domains = NULL;
1024 int queue_interval = -1;
1025 BOOL queue_list_requires_admin = TRUE;
1026 BOOL queue_only = FALSE;
1027 uschar *queue_only_file = NULL;
1028 int queue_only_load = -1;
1029 BOOL queue_only_load_latch = TRUE;
1030 BOOL queue_only_override = TRUE;
1031 BOOL queue_only_policy = FALSE;
1032 BOOL queue_run_first_delivery = FALSE;
1033 BOOL queue_run_force = FALSE;
1034 BOOL queue_run_in_order = FALSE;
1035 BOOL queue_run_local = FALSE;
1036 int queue_run_max = 5;
1037 pid_t queue_run_pid = (pid_t)0;
1038 int queue_run_pipe = -1;
1039 BOOL queue_running = FALSE;
1040 BOOL queue_smtp = FALSE;
1041 uschar *queue_smtp_domains = NULL;
1042
1043 unsigned int random_seed = 0;
1044 tree_node *ratelimiters_cmd = NULL;
1045 tree_node *ratelimiters_conn = NULL;
1046 tree_node *ratelimiters_mail = NULL;
1047 uschar *raw_active_hostname = NULL;
1048 uschar *raw_sender = NULL;
1049 uschar **raw_recipients = NULL;
1050 int raw_recipients_count = 0;
1051
1052 int rcpt_count = 0;
1053 int rcpt_fail_count = 0;
1054 int rcpt_defer_count = 0;
1055 gid_t real_gid;
1056 uid_t real_uid;
1057 BOOL really_exim = TRUE;
1058 BOOL receive_call_bombout = FALSE;
1059 int receive_linecount = 0;
1060 int receive_messagecount = 0;
1061 int receive_timeout = 0;
1062 int received_count = 0;
1063 uschar *received_for = NULL;
1064
1065 /* This is the default text for Received headers generated by Exim. The
1066 date will be automatically added on the end. */
1067
1068 uschar *received_header_text = US
1069 "Received: "
1070 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1071 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1072 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1073 "by $primary_hostname "
1074 "${if def:received_protocol {with $received_protocol}} "
1075 #ifdef SUPPORT_TLS
1076 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1077 #endif
1078 "(Exim $version_number)\n\t"
1079 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1080 "id $message_exim_id"
1081 "${if def:received_for {\n\tfor $received_for}}"
1082 "\0<---------------Space to patch received_header_text->";
1083
1084 int received_headers_max = 30;
1085 uschar *received_protocol = NULL;
1086 int received_time = 0;
1087 uschar *recipient_data = NULL;
1088 uschar *recipient_unqualified_hosts = NULL;
1089 uschar *recipient_verify_failure = NULL;
1090 int recipients_count = 0;
1091 BOOL recipients_discarded = FALSE;
1092 recipient_item *recipients_list = NULL;
1093 int recipients_list_max = 0;
1094 int recipients_max = 0;
1095 BOOL recipients_max_reject = FALSE;
1096 const pcre *regex_AUTH = NULL;
1097 const pcre *regex_check_dns_names = NULL;
1098 const pcre *regex_From = NULL;
1099 const pcre *regex_IGNOREQUOTA = NULL;
1100 const pcre *regex_PIPELINING = NULL;
1101 const pcre *regex_SIZE = NULL;
1102 const pcre *regex_ismsgid = NULL;
1103 const pcre *regex_smtp_code = NULL;
1104 uschar *regex_vars[REGEX_VARS];
1105 #ifdef WHITELIST_D_MACROS
1106 const pcre *regex_whitelisted_macro = NULL;
1107 #endif
1108 #ifdef WITH_CONTENT_SCAN
1109 uschar *regex_match_string = NULL;
1110 #endif
1111 int remote_delivery_count = 0;
1112 int remote_max_parallel = 2;
1113 uschar *remote_sort_domains = NULL;
1114 int retry_data_expire = 7*24*60*60;
1115 int retry_interval_max = 24*60*60;
1116 int retry_maximum_timeout = 0; /* set from retry config */
1117 retry_config *retries = NULL;
1118 uschar *return_path = NULL;
1119 BOOL return_path_remove = TRUE;
1120 int rewrite_existflags = 0;
1121 uschar *rfc1413_hosts = US"@[]";
1122 int rfc1413_query_timeout = 0;
1123 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1124 uid_t root_gid = ROOT_GID;
1125 uid_t root_uid = ROOT_UID;
1126
1127 router_instance *routers = NULL;
1128 router_instance router_defaults = {
1129 NULL, /* chain pointer */
1130 NULL, /* name */
1131 NULL, /* info */
1132 NULL, /* private options block pointer */
1133 NULL, /* driver name */
1134
1135 NULL, /* address_data */
1136 #ifdef EXPERIMENTAL_BRIGHTMAIL
1137 NULL, /* bmi_rule */
1138 #endif
1139 NULL, /* cannot_route_message */
1140 NULL, /* condition */
1141 NULL, /* current_directory */
1142 NULL, /* debug_string */
1143 NULL, /* domains */
1144 NULL, /* errors_to */
1145 NULL, /* expand_gid */
1146 NULL, /* expand_uid */
1147 NULL, /* expand_more */
1148 NULL, /* expand_unseen */
1149 NULL, /* extra_headers */
1150 NULL, /* fallback_hosts */
1151 NULL, /* home_directory */
1152 NULL, /* ignore_target_hosts */
1153 NULL, /* local_parts */
1154 NULL, /* pass_router_name */
1155 NULL, /* prefix */
1156 NULL, /* redirect_router_name */
1157 NULL, /* remove_headers */
1158 NULL, /* require_files */
1159 NULL, /* router_home_directory */
1160 US"freeze", /* self */
1161 NULL, /* senders */
1162 NULL, /* suffix */
1163 NULL, /* translate_ip_address */
1164 NULL, /* transport_name */
1165
1166 TRUE, /* address_test */
1167 #ifdef EXPERIMENTAL_BRIGHTMAIL
1168 FALSE, /* bmi_deliver_alternate */
1169 FALSE, /* bmi_deliver_default */
1170 FALSE, /* bmi_dont_deliver */
1171 #endif
1172 TRUE, /* expn */
1173 FALSE, /* caseful_local_part */
1174 FALSE, /* check_local_user */
1175 FALSE, /* disable_logging */
1176 FALSE, /* fail_verify_recipient */
1177 FALSE, /* fail_verify_sender */
1178 FALSE, /* gid_set */
1179 FALSE, /* initgroups */
1180 TRUE_UNSET, /* log_as_local */
1181 TRUE, /* more */
1182 FALSE, /* pass_on_timeout */
1183 FALSE, /* prefix_optional */
1184 TRUE, /* repeat_use */
1185 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1186 FALSE, /* same_domain_copy_routing */
1187 FALSE, /* self_rewrite */
1188 FALSE, /* suffix_optional */
1189 FALSE, /* verify_only */
1190 TRUE, /* verify_recipient */
1191 TRUE, /* verify_sender */
1192 FALSE, /* uid_set */
1193 FALSE, /* unseen */
1194 FALSE, /* dsn_lasthop */
1195
1196 self_freeze, /* self_code */
1197 (uid_t)(-1), /* uid */
1198 (gid_t)(-1), /* gid */
1199
1200 NULL, /* fallback_hostlist */
1201 NULL, /* transport instance */
1202 NULL, /* pass_router */
1203 NULL, /* redirect_router */
1204
1205 { NULL, NULL }, /* dnssec_domains {require,request} */
1206 };
1207
1208 uschar *router_name = NULL;
1209
1210 ip_address_item *running_interfaces = NULL;
1211 BOOL running_in_test_harness = FALSE;
1212
1213 /* This is a weird one. The following string gets patched in the binary by the
1214 script that sets up a copy of Exim for running in the test harness. It seems
1215 that compilers are now clever, and share constant strings if they can.
1216 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1217 make use of the end of this string in order to save space. So the patching then
1218 wrecks this. We defeat this optimization by adding some additional characters
1219 onto the end of the string. */
1220
1221 uschar *running_status = US">>>running<<<" "\0EXTRA";
1222
1223 int runrc = 0;
1224
1225 uschar *search_error_message = NULL;
1226 BOOL search_find_defer = FALSE;
1227 uschar *self_hostname = NULL;
1228 uschar *sender_address = NULL;
1229 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1230 uschar *sender_address_data = NULL;
1231 BOOL sender_address_forced = FALSE;
1232 uschar *sender_address_unrewritten = NULL;
1233 uschar *sender_data = NULL;
1234 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1235 uschar *sender_fullhost = NULL;
1236 BOOL sender_helo_dnssec = FALSE;
1237 uschar *sender_helo_name = NULL;
1238 uschar **sender_host_aliases = &no_aliases;
1239 uschar *sender_host_address = NULL;
1240 uschar *sender_host_authenticated = NULL;
1241 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1242 BOOL sender_host_dnssec = FALSE;
1243 uschar *sender_host_name = NULL;
1244 int sender_host_port = 0;
1245 BOOL sender_host_notsocket = FALSE;
1246 BOOL sender_host_unknown = FALSE;
1247 uschar *sender_ident = NULL;
1248 BOOL sender_local = FALSE;
1249 BOOL sender_name_forced = FALSE;
1250 uschar *sender_rate = NULL;
1251 uschar *sender_rate_limit = NULL;
1252 uschar *sender_rate_period = NULL;
1253 uschar *sender_rcvhost = NULL;
1254 BOOL sender_set_untrusted = FALSE;
1255 uschar *sender_unqualified_hosts = NULL;
1256 uschar *sender_verify_failure = NULL;
1257 address_item *sender_verified_list = NULL;
1258 address_item *sender_verified_failed = NULL;
1259 int sender_verified_rc = -1;
1260 BOOL sender_verified_responded = FALSE;
1261 uschar *sending_ip_address = NULL;
1262 int sending_port = -1;
1263 SIGNAL_BOOL sigalrm_seen = FALSE;
1264 uschar **sighup_argv = NULL;
1265 int slow_lookup_log = 0; /* millisecs, zero disables */
1266 int smtp_accept_count = 0;
1267 BOOL smtp_accept_keepalive = TRUE;
1268 int smtp_accept_max = 20;
1269 int smtp_accept_max_nonmail= 10;
1270 uschar *smtp_accept_max_nonmail_hosts = US"*";
1271 int smtp_accept_max_per_connection = 1000;
1272 uschar *smtp_accept_max_per_host = NULL;
1273 int smtp_accept_queue = 0;
1274 int smtp_accept_queue_per_connection = 10;
1275 int smtp_accept_reserve = 0;
1276 uschar *smtp_active_hostname = NULL;
1277 BOOL smtp_authenticated = FALSE;
1278 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1279 "Exim $version_number $tod_full"
1280 "\0<---------------Space to patch smtp_banner->";
1281 BOOL smtp_batched_input = FALSE;
1282 BOOL smtp_check_spool_space = TRUE;
1283 int smtp_ch_index = 0;
1284 uschar *smtp_cmd_argument = NULL;
1285 uschar *smtp_cmd_buffer = NULL;
1286 time_t smtp_connection_start = 0;
1287 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1288 int smtp_connect_backlog = 20;
1289 double smtp_delay_mail = 0.0;
1290 double smtp_delay_rcpt = 0.0;
1291 BOOL smtp_enforce_sync = TRUE;
1292 FILE *smtp_in = NULL;
1293 BOOL smtp_input = FALSE;
1294 int smtp_load_reserve = -1;
1295 int smtp_mailcmd_count = 0;
1296 FILE *smtp_out = NULL;
1297 uschar *smtp_etrn_command = NULL;
1298 BOOL smtp_etrn_serialize = TRUE;
1299 int smtp_max_synprot_errors= 3;
1300 int smtp_max_unknown_commands = 3;
1301 uschar *smtp_notquit_reason = NULL;
1302 uschar *smtp_ratelimit_hosts = NULL;
1303 uschar *smtp_ratelimit_mail = NULL;
1304 uschar *smtp_ratelimit_rcpt = NULL;
1305 uschar *smtp_read_error = US"";
1306 int smtp_receive_timeout = 5*60;
1307 uschar *smtp_receive_timeout_s = NULL;
1308 uschar *smtp_reserve_hosts = NULL;
1309 BOOL smtp_return_error_details = FALSE;
1310 int smtp_rlm_base = 0;
1311 double smtp_rlm_factor = 0.0;
1312 int smtp_rlm_limit = 0;
1313 int smtp_rlm_threshold = INT_MAX;
1314 int smtp_rlr_base = 0;
1315 double smtp_rlr_factor = 0.0;
1316 int smtp_rlr_limit = 0;
1317 int smtp_rlr_threshold = INT_MAX;
1318 BOOL smtp_use_pipelining = FALSE;
1319 BOOL smtp_use_size = FALSE;
1320 #ifdef SUPPORT_I18N
1321 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1322 #endif
1323
1324 #ifdef WITH_CONTENT_SCAN
1325 uschar *spamd_address = US"127.0.0.1 783";
1326 uschar *spam_bar = NULL;
1327 uschar *spam_report = NULL;
1328 uschar *spam_action = NULL;
1329 uschar *spam_score = NULL;
1330 uschar *spam_score_int = NULL;
1331 #endif
1332 #ifdef EXPERIMENTAL_SPF
1333 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1334 uschar *spf_header_comment = NULL;
1335 uschar *spf_received = NULL;
1336 uschar *spf_result = NULL;
1337 uschar *spf_smtp_comment = NULL;
1338 #endif
1339
1340 BOOL split_spool_directory = FALSE;
1341 uschar *spool_directory = US SPOOL_DIRECTORY
1342 "\0<--------------Space to patch spool_directory->";
1343 #ifdef EXPERIMENTAL_SRS
1344 uschar *srs_config = NULL;
1345 uschar *srs_db_address = NULL;
1346 uschar *srs_db_key = NULL;
1347 int srs_hashlength = 6;
1348 int srs_hashmin = -1;
1349 int srs_maxage = 31;
1350 uschar *srs_orig_recipient = NULL;
1351 uschar *srs_orig_sender = NULL;
1352 uschar *srs_recipient = NULL;
1353 uschar *srs_secrets = NULL;
1354 uschar *srs_status = NULL;
1355 BOOL srs_usehash = TRUE;
1356 BOOL srs_usetimestamp = TRUE;
1357 #endif
1358 BOOL strict_acl_vars = FALSE;
1359 int string_datestamp_offset= -1;
1360 int string_datestamp_length= 0;
1361 int string_datestamp_type = -1;
1362 BOOL strip_excess_angle_brackets = FALSE;
1363 BOOL strip_trailing_dot = FALSE;
1364 uschar *submission_domain = NULL;
1365 BOOL submission_mode = FALSE;
1366 uschar *submission_name = NULL;
1367 BOOL suppress_local_fixups = FALSE;
1368 BOOL suppress_local_fixups_default = FALSE;
1369 BOOL synchronous_delivery = FALSE;
1370 BOOL syslog_duplication = TRUE;
1371 int syslog_facility = LOG_MAIL;
1372 uschar *syslog_processname = US"exim";
1373 BOOL syslog_timestamp = TRUE;
1374 uschar *system_filter = NULL;
1375
1376 uschar *system_filter_directory_transport = NULL;
1377 uschar *system_filter_file_transport = NULL;
1378 uschar *system_filter_pipe_transport = NULL;
1379 uschar *system_filter_reply_transport = NULL;
1380
1381 gid_t system_filter_gid = 0;
1382 BOOL system_filter_gid_set = FALSE;
1383 uid_t system_filter_uid = (uid_t)-1;
1384 BOOL system_filter_uid_set = FALSE;
1385 BOOL system_filtering = FALSE;
1386
1387 BOOL tcp_nodelay = TRUE;
1388 #ifdef USE_TCP_WRAPPERS
1389 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1390 #endif
1391 int test_harness_load_avg = 0;
1392 int thismessage_size_limit = 0;
1393 int timeout_frozen_after = 0;
1394 BOOL timestamps_utc = FALSE;
1395
1396 transport_instance *transports = NULL;
1397
1398 transport_instance transport_defaults = {
1399 NULL, /* chain pointer */
1400 NULL, /* name */
1401 NULL, /* info */
1402 NULL, /* private options block pointer */
1403 NULL, /* driver name */
1404 NULL, /* setup entry point */
1405 1, /* batch_max */
1406 NULL, /* batch_id */
1407 NULL, /* home_dir */
1408 NULL, /* current_dir */
1409 NULL, /* expand-multi-domain */
1410 TRUE, /* multi-domain */
1411 FALSE, /* overrides_hosts */
1412 100, /* max_addresses */
1413 500, /* connection_max_messages */
1414 FALSE, /* deliver_as_creator */
1415 FALSE, /* disable_logging */
1416 FALSE, /* initgroups */
1417 FALSE, /* uid_set */
1418 FALSE, /* gid_set */
1419 (uid_t)(-1), /* uid */
1420 (gid_t)(-1), /* gid */
1421 NULL, /* expand_uid */
1422 NULL, /* expand_gid */
1423 NULL, /* warn_message */
1424 NULL, /* shadow */
1425 NULL, /* shadow_condition */
1426 NULL, /* filter_command */
1427 NULL, /* add_headers */
1428 NULL, /* remove_headers */
1429 NULL, /* return_path */
1430 NULL, /* debug_string */
1431 NULL, /* max_parallel */
1432 NULL, /* message_size_limit */
1433 NULL, /* headers_rewrite */
1434 NULL, /* rewrite_rules */
1435 0, /* rewrite_existflags */
1436 300, /* filter_timeout */
1437 FALSE, /* body_only */
1438 FALSE, /* delivery_date_add */
1439 FALSE, /* envelope_to_add */
1440 FALSE, /* headers_only */
1441 FALSE, /* rcpt_include_affixes */
1442 FALSE, /* return_path_add */
1443 FALSE, /* return_output */
1444 FALSE, /* return_fail_output */
1445 FALSE, /* log_output */
1446 FALSE, /* log_fail_output */
1447 FALSE, /* log_defer_output */
1448 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1449 1 nor 0 so can detect unset */
1450 #ifndef DISABLE_EVENT
1451 ,NULL /* event_action */
1452 #endif
1453 };
1454
1455 int transport_count;
1456 uschar *transport_name = NULL;
1457 int transport_newlines;
1458 const uschar **transport_filter_argv = NULL;
1459 int transport_filter_timeout;
1460 BOOL transport_filter_timed_out = FALSE;
1461 int transport_write_timeout= 0;
1462
1463 tree_node *tree_dns_fails = NULL;
1464 tree_node *tree_duplicates = NULL;
1465 tree_node *tree_nonrecipients = NULL;
1466 tree_node *tree_unusable = NULL;
1467
1468 BOOL trusted_caller = FALSE;
1469 BOOL trusted_config = TRUE;
1470 gid_t *trusted_groups = NULL;
1471 uid_t *trusted_users = NULL;
1472 uschar *timezone_string = US TIMEZONE_DEFAULT;
1473
1474 uschar *unknown_login = NULL;
1475 uschar *unknown_username = NULL;
1476 uschar *untrusted_set_sender = NULL;
1477
1478 /* A regex for matching a "From_" line in an incoming message, in the form
1479
1480 From ph10 Fri Jan 5 12:35 GMT 1996
1481
1482 which the "mail" commands send to the MTA (undocumented, of course), or in
1483 the form
1484
1485 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1486
1487 which is apparently used by some UUCPs, despite it not being in RFC 976.
1488 Because of variations in time formats, just match up to the minutes. That
1489 should be sufficient. Examples have been seen of time fields like 12:1:03,
1490 so just require one digit for hours and minutes. The weekday is also absent
1491 in some forms. */
1492
1493 uschar *uucp_from_pattern = US
1494 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1495 "(?:" /* Non-extracting bracket */
1496 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1497 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1498 ")" /* End alternation */
1499 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1500
1501 uschar *uucp_from_sender = US"$1";
1502
1503 uschar *verify_mode = NULL;
1504 uschar *version_copyright =
1505 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1506 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1507 uschar *version_date = US"?";
1508 uschar *version_cnumber = US"????";
1509 uschar *version_string = US"?";
1510
1511 uschar *warn_message_file = NULL;
1512 int warning_count = 0;
1513 uschar *warnmsg_delay = NULL;
1514 uschar *warnmsg_recipients = NULL;
1515 BOOL write_rejectlog = TRUE;
1516
1517
1518 /* End of globals.c */
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