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Make "system" location for certificate CA bundle the default
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2014 */
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 #ifdef EXPERIMENTAL_DSN
138 uschar *dsn_envid = NULL;
139 int dsn_ret = 0;
140 const pcre *regex_DSN = NULL;
141 BOOL smtp_use_dsn = FALSE;
142 uschar *dsn_advertise_hosts = NULL;
143 #endif
144
145 #ifdef SUPPORT_TLS
146 BOOL gnutls_compat_mode = FALSE;
147 BOOL gnutls_allow_auto_pkcs11 = FALSE;
148 uschar *gnutls_require_mac = NULL;
149 uschar *gnutls_require_kx = NULL;
150 uschar *gnutls_require_proto = NULL;
151 uschar *openssl_options = NULL;
152 const pcre *regex_STARTTLS = NULL;
153 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
154 uschar *tls_certificate = NULL;
155 uschar *tls_crl = NULL;
156 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
157 that's the interop problem which has been observed: GnuTLS suggesting a higher
158 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
159 int tls_dh_max_bits = 2236;
160 uschar *tls_dhparam = NULL;
161 #ifndef DISABLE_OCSP
162 uschar *tls_ocsp_file = NULL;
163 #endif
164 BOOL tls_offered = FALSE;
165 uschar *tls_privatekey = NULL;
166 BOOL tls_remember_esmtp = FALSE;
167 uschar *tls_require_ciphers = NULL;
168 uschar *tls_try_verify_hosts = NULL;
169 uschar *tls_verify_certificates= US"system";
170 uschar *tls_verify_hosts = NULL;
171 #endif
172
173 #ifndef DISABLE_PRDR
174 /* Per Recipient Data Response variables */
175 BOOL prdr_enable = FALSE;
176 BOOL prdr_requested = FALSE;
177 const pcre *regex_PRDR = NULL;
178 #endif
179
180 /* Input-reading functions for messages, so we can use special ones for
181 incoming TCP/IP. The defaults use stdin. We never need these for any
182 stand-alone tests. */
183
184 #ifndef STAND_ALONE
185 int (*receive_getc)(void) = stdin_getc;
186 int (*receive_ungetc)(int) = stdin_ungetc;
187 int (*receive_feof)(void) = stdin_feof;
188 int (*receive_ferror)(void) = stdin_ferror;
189 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
190 #endif
191
192
193 /* List of per-address expansion variables for clearing and saving/restoring
194 when verifying one address while routing/verifying another. We have to have
195 the size explicit, because it is referenced from more than one module. */
196
197 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
198 &deliver_address_data,
199 &deliver_domain,
200 &deliver_domain_data,
201 &deliver_domain_orig,
202 &deliver_domain_parent,
203 &deliver_localpart,
204 &deliver_localpart_data,
205 &deliver_localpart_orig,
206 &deliver_localpart_parent,
207 &deliver_localpart_prefix,
208 &deliver_localpart_suffix,
209 (uschar **)(&deliver_recipients),
210 &deliver_host,
211 &deliver_home,
212 &address_file,
213 &address_pipe,
214 &self_hostname,
215 NULL };
216
217 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
218
219 /* General global variables */
220
221 header_line *acl_added_headers = NULL;
222 tree_node *acl_anchor = NULL;
223 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
224 NULL, NULL, NULL, NULL};
225 int acl_narg = 0;
226
227 uschar *acl_not_smtp = NULL;
228 #ifdef WITH_CONTENT_SCAN
229 uschar *acl_not_smtp_mime = NULL;
230 #endif
231 uschar *acl_not_smtp_start = NULL;
232 uschar *acl_removed_headers = NULL;
233 uschar *acl_smtp_auth = NULL;
234 uschar *acl_smtp_connect = NULL;
235 uschar *acl_smtp_data = NULL;
236 #ifndef DISABLE_PRDR
237 uschar *acl_smtp_data_prdr = US"accept";
238 #endif
239 #ifndef DISABLE_DKIM
240 uschar *acl_smtp_dkim = NULL;
241 #endif
242 uschar *acl_smtp_etrn = NULL;
243 uschar *acl_smtp_expn = NULL;
244 uschar *acl_smtp_helo = NULL;
245 uschar *acl_smtp_mail = NULL;
246 uschar *acl_smtp_mailauth = NULL;
247 #ifdef WITH_CONTENT_SCAN
248 uschar *acl_smtp_mime = NULL;
249 #endif
250 uschar *acl_smtp_notquit = NULL;
251 uschar *acl_smtp_predata = NULL;
252 uschar *acl_smtp_quit = NULL;
253 uschar *acl_smtp_rcpt = NULL;
254 uschar *acl_smtp_starttls = NULL;
255 uschar *acl_smtp_vrfy = NULL;
256
257 BOOL acl_temp_details = FALSE;
258 tree_node *acl_var_c = NULL;
259 tree_node *acl_var_m = NULL;
260 uschar *acl_verify_message = NULL;
261 string_item *acl_warn_logged = NULL;
262
263 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
264 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
265
266 uschar *acl_wherenames[] = { US"RCPT",
267 US"MAIL",
268 US"PREDATA",
269 US"MIME",
270 US"DKIM",
271 US"DATA",
272 #ifndef DISABLE_PRDR
273 US"PRDR",
274 #endif
275 US"non-SMTP",
276 US"AUTH",
277 US"connection",
278 US"ETRN",
279 US"EXPN",
280 US"EHLO or HELO",
281 US"MAILAUTH",
282 US"non-SMTP-start",
283 US"NOTQUIT",
284 US"QUIT",
285 US"STARTTLS",
286 US"VRFY",
287 US"delivery",
288 US"unknown"
289 };
290
291 uschar *acl_wherecodes[] = { US"550", /* RCPT */
292 US"550", /* MAIL */
293 US"550", /* PREDATA */
294 US"550", /* MIME */
295 US"550", /* DKIM */
296 US"550", /* DATA */
297 #ifndef DISABLE_PRDR
298 US"550", /* RCPT PRDR */
299 #endif
300 US"0", /* not SMTP; not relevant */
301 US"503", /* AUTH */
302 US"550", /* connect */
303 US"458", /* ETRN */
304 US"550", /* EXPN */
305 US"550", /* HELO/EHLO */
306 US"0", /* MAILAUTH; not relevant */
307 US"0", /* not SMTP; not relevant */
308 US"0", /* NOTQUIT; not relevant */
309 US"0", /* QUIT; not relevant */
310 US"550", /* STARTTLS */
311 US"252", /* VRFY */
312 US"0", /* delivery; not relevant */
313 US"0" /* unknown; not relevant */
314 };
315
316 BOOL active_local_from_check = FALSE;
317 BOOL active_local_sender_retain = FALSE;
318 int body_8bitmime = 0;
319 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
320 address_item *addr_duplicate = NULL;
321
322 address_item address_defaults = {
323 NULL, /* next */
324 NULL, /* parent */
325 NULL, /* first */
326 NULL, /* dupof */
327 NULL, /* start_router */
328 NULL, /* router */
329 NULL, /* transport */
330 NULL, /* host_list */
331 NULL, /* host_used */
332 NULL, /* fallback_hosts */
333 NULL, /* reply */
334 NULL, /* retries */
335 NULL, /* address */
336 NULL, /* unique */
337 NULL, /* cc_local_part */
338 NULL, /* lc_local_part */
339 NULL, /* local_part */
340 NULL, /* prefix */
341 NULL, /* suffix */
342 NULL, /* domain */
343 NULL, /* address_retry_key */
344 NULL, /* domain_retry_key */
345 NULL, /* current_dir */
346 NULL, /* home_dir */
347 NULL, /* message */
348 NULL, /* user_message */
349 NULL, /* onetime_parent */
350 NULL, /* pipe_expandn */
351 NULL, /* return_filename */
352 NULL, /* self_hostname */
353 NULL, /* shadow_message */
354 #ifdef SUPPORT_TLS
355 NULL, /* cipher */
356 NULL, /* ourcert */
357 NULL, /* peercert */
358 NULL, /* peerdn */
359 OCSP_NOT_REQ, /* ocsp */
360 #endif
361 NULL, /* authenticator */
362 NULL, /* auth_id */
363 NULL, /* auth_sndr */
364 #ifdef EXPERIMENTAL_DSN
365 NULL, /* dsn_orcpt */
366 0, /* dsn_flags */
367 0, /* dsn_aware */
368 #endif
369 (uid_t)(-1), /* uid */
370 (gid_t)(-1), /* gid */
371 0, /* flags */
372 { 0 }, /* domain_cache - any larger array should be zeroed */
373 { 0 }, /* localpart_cache - ditto */
374 -1, /* mode */
375 0, /* more_errno */
376 ERRNO_UNKNOWNERROR, /* basic_errno */
377 0, /* child_count */
378 -1, /* return_file */
379 SPECIAL_NONE, /* special_action */
380 DEFER, /* transport_return */
381 { /* fields that are propagated to children */
382 NULL, /* address_data */
383 NULL, /* domain_data */
384 NULL, /* localpart_data */
385 NULL, /* errors_address */
386 NULL, /* extra_headers */
387 NULL, /* remove_headers */
388 #ifdef EXPERIMENTAL_SRS
389 NULL, /* srs_sender */
390 #endif
391 }
392 };
393
394 uschar *address_file = NULL;
395 uschar *address_pipe = NULL;
396 BOOL address_test_mode = FALSE;
397 tree_node *addresslist_anchor = NULL;
398 int addresslist_count = 0;
399 gid_t *admin_groups = NULL;
400 BOOL admin_user = FALSE;
401 BOOL allow_auth_unadvertised= FALSE;
402 BOOL allow_domain_literals = FALSE;
403 BOOL allow_mx_to_ip = FALSE;
404 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
405 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
406 BOOL allow_utf8_domains = FALSE;
407 uschar *authenticated_fail_id = NULL;
408 uschar *authenticated_id = NULL;
409 uschar *authenticated_sender = NULL;
410 BOOL authentication_failed = FALSE;
411 auth_instance *auths = NULL;
412 uschar *auth_advertise_hosts = US"*";
413 auth_instance auth_defaults = {
414 NULL, /* chain pointer */
415 NULL, /* name */
416 NULL, /* info */
417 NULL, /* private options block pointer */
418 NULL, /* driver_name */
419 NULL, /* advertise_condition */
420 NULL, /* client_condition */
421 NULL, /* public_name */
422 NULL, /* set_id */
423 NULL, /* set_client_id */
424 NULL, /* server_mail_auth_condition */
425 NULL, /* server_debug_string */
426 NULL, /* server_condition */
427 FALSE, /* client */
428 FALSE, /* server */
429 FALSE /* advertised */
430 };
431
432 uschar *auth_defer_msg = US"reason not recorded";
433 uschar *auth_defer_user_msg = US"";
434 uschar *auth_vars[AUTH_VARS];
435 int auto_thaw = 0;
436 #ifdef WITH_CONTENT_SCAN
437 BOOL av_failed = FALSE;
438 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
439 #endif
440
441 BOOL background_daemon = TRUE;
442
443 #if BASE_62 == 62
444 uschar *base62_chars=
445 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
446 #else
447 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
448 #endif
449
450 uschar *bi_command = NULL;
451 uschar *big_buffer = NULL;
452 int big_buffer_size = BIG_BUFFER_SIZE;
453 #ifdef EXPERIMENTAL_BRIGHTMAIL
454 uschar *bmi_alt_location = NULL;
455 uschar *bmi_base64_tracker_verdict = NULL;
456 uschar *bmi_base64_verdict = NULL;
457 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
458 int bmi_deliver = 1;
459 int bmi_run = 0;
460 uschar *bmi_verdicts = NULL;
461 #endif
462 int body_linecount = 0;
463 int body_zerocount = 0;
464 uschar *bounce_message_file = NULL;
465 uschar *bounce_message_text = NULL;
466 uschar *bounce_recipient = NULL;
467 BOOL bounce_return_body = TRUE;
468 BOOL bounce_return_message = TRUE;
469 int bounce_return_size_limit = 100*1024;
470 uschar *bounce_sender_authentication = NULL;
471 int bsmtp_transaction_linecount = 0;
472
473 int callout_cache_domain_positive_expire = 7*24*60*60;
474 int callout_cache_domain_negative_expire = 3*60*60;
475 int callout_cache_positive_expire = 24*60*60;
476 int callout_cache_negative_expire = 2*60*60;
477 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
478 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
479 int check_log_inodes = 0;
480 int check_log_space = 0;
481 BOOL check_rfc2047_length = TRUE;
482 int check_spool_inodes = 0;
483 int check_spool_space = 0;
484 uschar *client_authenticator = NULL;
485 uschar *client_authenticated_id = NULL;
486 uschar *client_authenticated_sender = NULL;
487 int clmacro_count = 0;
488 uschar *clmacros[MAX_CLMACROS];
489 BOOL config_changed = FALSE;
490 FILE *config_file = NULL;
491 uschar *config_filename = NULL;
492 int config_lineno = 0;
493 #ifdef CONFIGURE_GROUP
494 gid_t config_gid = CONFIGURE_GROUP;
495 #endif
496 uschar *config_main_filelist = US CONFIGURE_FILE
497 "\0<-----------Space to patch configure_filename->";
498 uschar *config_main_filename = NULL;
499
500 #ifdef CONFIGURE_OWNER
501 uid_t config_uid = CONFIGURE_OWNER;
502 #endif
503
504 int connection_max_messages= -1;
505 uschar *continue_hostname = NULL;
506 uschar *continue_host_address = NULL;
507 BOOL continue_more = FALSE;
508 int continue_sequence = 1;
509 uschar *continue_transport = NULL;
510
511 uschar *csa_status = NULL;
512 BOOL cutthrough_delivery = FALSE;
513 int cutthrough_fd = -1;
514
515 BOOL daemon_listen = FALSE;
516 uschar *daemon_smtp_port = US"smtp";
517 int daemon_startup_retries = 9;
518 int daemon_startup_sleep = 30;
519
520 #ifdef EXPERIMENTAL_DCC
521 BOOL dcc_direct_add_header = FALSE;
522 uschar *dcc_header = NULL;
523 uschar *dcc_result = NULL;
524 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
525 uschar *dccifd_options = US"header";
526 #endif
527
528 BOOL debug_daemon = FALSE;
529 int debug_fd = -1;
530 FILE *debug_file = NULL;
531 bit_table debug_options[] = {
532 { US"acl", D_acl },
533 { US"all", D_all },
534 { US"auth", D_auth },
535 { US"deliver", D_deliver },
536 { US"dns", D_dns },
537 { US"dnsbl", D_dnsbl },
538 { US"exec", D_exec },
539 { US"expand", D_expand },
540 { US"filter", D_filter },
541 { US"hints_lookup", D_hints_lookup },
542 { US"host_lookup", D_host_lookup },
543 { US"ident", D_ident },
544 { US"interface", D_interface },
545 { US"lists", D_lists },
546 { US"load", D_load },
547 { US"local_scan", D_local_scan },
548 { US"lookup", D_lookup },
549 { US"memory", D_memory },
550 { US"pid", D_pid },
551 { US"process_info", D_process_info },
552 { US"queue_run", D_queue_run },
553 { US"receive", D_receive },
554 { US"resolver", D_resolver },
555 { US"retry", D_retry },
556 { US"rewrite", D_rewrite },
557 { US"route", D_route },
558 { US"timestamp", D_timestamp },
559 { US"tls", D_tls },
560 { US"transport", D_transport },
561 { US"uid", D_uid },
562 { US"verify", D_verify }
563 };
564 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
565 unsigned int debug_selector = 0;
566 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
567 uschar *delay_warning_condition=
568 US"${if or {"
569 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
570 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
571 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
572 "} {no}{yes}}";
573 BOOL delivery_date_remove = TRUE;
574 uschar *deliver_address_data = NULL;
575 int deliver_datafile = -1;
576 uschar *deliver_domain = NULL;
577 uschar *deliver_domain_data = NULL;
578 uschar *deliver_domain_orig = NULL;
579 uschar *deliver_domain_parent = NULL;
580 BOOL deliver_drop_privilege = FALSE;
581 BOOL deliver_firsttime = FALSE;
582 BOOL deliver_force = FALSE;
583 BOOL deliver_freeze = FALSE;
584 time_t deliver_frozen_at = 0;
585 uschar *deliver_home = NULL;
586 uschar *deliver_host = NULL;
587 uschar *deliver_host_address = NULL;
588 int deliver_host_port = 0;
589 uschar *deliver_in_buffer = NULL;
590 ino_t deliver_inode = 0;
591 uschar *deliver_localpart = NULL;
592 uschar *deliver_localpart_data = NULL;
593 uschar *deliver_localpart_orig = NULL;
594 uschar *deliver_localpart_parent = NULL;
595 uschar *deliver_localpart_prefix = NULL;
596 uschar *deliver_localpart_suffix = NULL;
597 BOOL deliver_force_thaw = FALSE;
598 BOOL deliver_manual_thaw = FALSE;
599 uschar *deliver_out_buffer = NULL;
600 int deliver_queue_load_max = -1;
601 address_item *deliver_recipients = NULL;
602 uschar *deliver_selectstring = NULL;
603 BOOL deliver_selectstring_regex = FALSE;
604 uschar *deliver_selectstring_sender = NULL;
605 BOOL deliver_selectstring_sender_regex = FALSE;
606 #ifdef WITH_OLD_DEMIME
607 int demime_errorlevel = 0;
608 int demime_ok = 0;
609 uschar *demime_reason = NULL;
610 #endif
611 BOOL disable_callout_flush = FALSE;
612 BOOL disable_delay_flush = FALSE;
613 #ifdef ENABLE_DISABLE_FSYNC
614 BOOL disable_fsync = FALSE;
615 #endif
616 BOOL disable_ipv6 = FALSE;
617 BOOL disable_logging = FALSE;
618
619 #ifndef DISABLE_DKIM
620 uschar *dkim_cur_signer = NULL;
621 uschar *dkim_signers = NULL;
622 uschar *dkim_signing_domain = NULL;
623 uschar *dkim_signing_selector = NULL;
624 uschar *dkim_verify_signers = US"$dkim_signers";
625 BOOL dkim_collect_input = FALSE;
626 BOOL dkim_disable_verify = FALSE;
627 #endif
628 #ifdef EXPERIMENTAL_DMARC
629 BOOL dmarc_has_been_checked = FALSE;
630 uschar *dmarc_ar_header = NULL;
631 uschar *dmarc_domain_policy = NULL;
632 uschar *dmarc_forensic_sender = NULL;
633 uschar *dmarc_history_file = NULL;
634 uschar *dmarc_status = NULL;
635 uschar *dmarc_status_text = NULL;
636 uschar *dmarc_tld_file = NULL;
637 uschar *dmarc_used_domain = NULL;
638 BOOL dmarc_disable_verify = FALSE;
639 BOOL dmarc_enable_forensic = FALSE;
640 #endif
641
642 uschar *dns_again_means_nonexist = NULL;
643 int dns_csa_search_limit = 5;
644 BOOL dns_csa_use_reverse = TRUE;
645 #ifdef EXPERIMENTAL_DANE
646 int dns_dane_ok = -1;
647 #endif
648 uschar *dns_ipv4_lookup = NULL;
649 int dns_retrans = 0;
650 int dns_retry = 0;
651 int dns_dnssec_ok = -1; /* <0 = not coerced */
652 int dns_use_edns0 = -1; /* <0 = not coerced */
653 uschar *dnslist_domain = NULL;
654 uschar *dnslist_matched = NULL;
655 uschar *dnslist_text = NULL;
656 uschar *dnslist_value = NULL;
657 tree_node *domainlist_anchor = NULL;
658 int domainlist_count = 0;
659 BOOL dont_deliver = FALSE;
660 BOOL dot_ends = TRUE;
661 BOOL drop_cr = FALSE; /* No longer used */
662 uschar *dsn_from = US DEFAULT_DSN_FROM;
663
664 BOOL enable_dollar_recipients = FALSE;
665 BOOL envelope_to_remove = TRUE;
666 int errno_quota = ERRNO_QUOTA;
667 uschar *errors_copy = NULL;
668 int error_handling = ERRORS_SENDER;
669 uschar *errors_reply_to = NULL;
670 int errors_sender_rc = EXIT_FAILURE;
671 #ifdef EXPERIMENTAL_EVENT
672 uschar *event_action = NULL; /* expansion for delivery events */
673 uschar *event_data = NULL; /* auxilary data variable for event */
674 int event_defer_errno = 0;
675 uschar *event_name = NULL; /* event name variable */
676 #endif
677
678
679 gid_t exim_gid = EXIM_GID;
680 BOOL exim_gid_set = TRUE; /* This gid is always set */
681 uschar *exim_path = US BIN_DIRECTORY "/exim"
682 "\0<---------------Space to patch exim_path->";
683 uid_t exim_uid = EXIM_UID;
684 BOOL exim_uid_set = TRUE; /* This uid is always set */
685 int expand_forbid = 0;
686 int expand_nlength[EXPAND_MAXN+1];
687 int expand_nmax = -1;
688 uschar *expand_nstring[EXPAND_MAXN+1];
689 BOOL expand_string_forcedfail = FALSE;
690 uschar *expand_string_message;
691 BOOL extract_addresses_remove_arguments = TRUE;
692 uschar *extra_local_interfaces = NULL;
693
694 int fake_response = OK;
695 uschar *fake_response_text = US"Your message has been rejected but is "
696 "being kept for evaluation.\nIf it was a "
697 "legitimate message, it may still be "
698 "delivered to the target recipient(s).";
699 int filter_n[FILTER_VARIABLE_COUNT];
700 BOOL filter_running = FALSE;
701 int filter_sn[FILTER_VARIABLE_COUNT];
702 int filter_test = FTEST_NONE;
703 uschar *filter_test_sfile = NULL;
704 uschar *filter_test_ufile = NULL;
705 uschar *filter_thisaddress = NULL;
706 int finduser_retries = 0;
707 #ifdef WITH_OLD_DEMIME
708 uschar *found_extension = NULL;
709 #endif
710 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
711 uschar *freeze_tell = NULL;
712 uschar *freeze_tell_config = NULL;
713 uschar *fudged_queue_times = US"";
714
715 uschar *gecos_name = NULL;
716 uschar *gecos_pattern = NULL;
717 rewrite_rule *global_rewrite_rules = NULL;
718
719 uschar *headers_charset = US HEADERS_CHARSET;
720 int header_insert_maxlen = 64 * 1024;
721 header_line *header_last = NULL;
722 header_line *header_list = NULL;
723 int header_maxsize = HEADER_MAXSIZE;
724 int header_line_maxsize = 0;
725
726 header_name header_names[] = {
727 { US"bcc", 3, TRUE, htype_bcc },
728 { US"cc", 2, TRUE, htype_cc },
729 { US"date", 4, TRUE, htype_date },
730 { US"delivery-date", 13, FALSE, htype_delivery_date },
731 { US"envelope-to", 11, FALSE, htype_envelope_to },
732 { US"from", 4, TRUE, htype_from },
733 { US"message-id", 10, TRUE, htype_id },
734 { US"received", 8, FALSE, htype_received },
735 { US"reply-to", 8, FALSE, htype_reply_to },
736 { US"return-path", 11, FALSE, htype_return_path },
737 { US"sender", 6, TRUE, htype_sender },
738 { US"subject", 7, FALSE, htype_subject },
739 { US"to", 2, TRUE, htype_to }
740 };
741
742 int header_names_size = sizeof(header_names)/sizeof(header_name);
743
744 BOOL header_rewritten = FALSE;
745 uschar *helo_accept_junk_hosts = NULL;
746 uschar *helo_allow_chars = US"";
747 uschar *helo_lookup_domains = US"@ : @[]";
748 uschar *helo_try_verify_hosts = NULL;
749 BOOL helo_verified = FALSE;
750 BOOL helo_verify_failed = FALSE;
751 uschar *helo_verify_hosts = NULL;
752 const uschar *hex_digits = CUS"0123456789abcdef";
753 uschar *hold_domains = NULL;
754 BOOL host_checking = FALSE;
755 BOOL host_checking_callout = FALSE;
756 uschar *host_data = NULL;
757 BOOL host_find_failed_syntax= FALSE;
758 uschar *host_lookup = NULL;
759 BOOL host_lookup_deferred = FALSE;
760 BOOL host_lookup_failed = FALSE;
761 uschar *host_lookup_order = US"bydns:byaddr";
762 uschar *host_lookup_msg = US"";
763 int host_number = 0;
764 uschar *host_number_string = NULL;
765 uschar *host_reject_connection = NULL;
766 tree_node *hostlist_anchor = NULL;
767 int hostlist_count = 0;
768 uschar *hosts_treat_as_local = NULL;
769 uschar *hosts_connection_nolog = NULL;
770
771 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
772 BOOL ignore_fromline_local = FALSE;
773 uschar *ignore_fromline_hosts = NULL;
774 BOOL inetd_wait_mode = FALSE;
775 int inetd_wait_timeout = -1;
776 uschar *interface_address = NULL;
777 int interface_port = -1;
778 BOOL is_inetd = FALSE;
779 uschar *iterate_item = NULL;
780
781 int journal_fd = -1;
782
783 int keep_malformed = 4*24*60*60; /* 4 days */
784
785 uschar *eldap_dn = NULL;
786 int load_average = -2;
787 BOOL local_error_message = FALSE;
788 BOOL local_from_check = TRUE;
789 uschar *local_from_prefix = NULL;
790 uschar *local_from_suffix = NULL;
791
792 #if HAVE_IPV6
793 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
794 #else
795 uschar *local_interfaces = US"0.0.0.0";
796 #endif
797
798 uschar *local_scan_data = NULL;
799 int local_scan_timeout = 5*60;
800 BOOL local_sender_retain = FALSE;
801 gid_t local_user_gid = (gid_t)(-1);
802 uid_t local_user_uid = (uid_t)(-1);
803
804 tree_node *localpartlist_anchor= NULL;
805 int localpartlist_count = 0;
806 uschar *log_buffer = NULL;
807 unsigned int log_extra_selector = LX_default;
808 uschar *log_file_path = US LOG_FILE_PATH
809 "\0<--------------Space to patch log_file_path->";
810
811 /* Those log options with L_xxx identifiers have values less than 0x800000 and
812 are the ones that get put into log_write_selector. They can be used in calls to
813 log_write() to test for the bit. The options with LX_xxx identifiers have
814 values greater than 0x80000000 and are put into log_extra_selector (without the
815 top bit). They are never used in calls to log_write(), but are tested
816 independently. This separation became necessary when the number of log
817 selectors was getting close to filling a 32-bit word. */
818
819 /* Note that this list must be in alphabetical order. */
820
821 bit_table log_options[] = {
822 { US"8bitmime", LX_8bitmime },
823 { US"acl_warn_skipped", LX_acl_warn_skipped },
824 { US"address_rewrite", L_address_rewrite },
825 { US"all", L_all },
826 { US"all_parents", L_all_parents },
827 { US"arguments", LX_arguments },
828 { US"connection_reject", L_connection_reject },
829 { US"delay_delivery", L_delay_delivery },
830 { US"deliver_time", LX_deliver_time },
831 { US"delivery_size", LX_delivery_size },
832 { US"dnslist_defer", L_dnslist_defer },
833 { US"etrn", L_etrn },
834 { US"host_lookup_failed", L_host_lookup_failed },
835 { US"ident_timeout", LX_ident_timeout },
836 { US"incoming_interface", LX_incoming_interface },
837 { US"incoming_port", LX_incoming_port },
838 { US"lost_incoming_connection", L_lost_incoming_connection },
839 { US"outgoing_port", LX_outgoing_port },
840 { US"pid", LX_pid },
841 #ifdef EXPERIMENTAL_PROXY
842 { US"proxy", LX_proxy },
843 #endif
844 { US"queue_run", L_queue_run },
845 { US"queue_time", LX_queue_time },
846 { US"queue_time_overall", LX_queue_time_overall },
847 { US"received_recipients", LX_received_recipients },
848 { US"received_sender", LX_received_sender },
849 { US"rejected_header", LX_rejected_header },
850 { US"rejected_headers", LX_rejected_header },
851 { US"retry_defer", L_retry_defer },
852 { US"return_path_on_delivery", LX_return_path_on_delivery },
853 { US"sender_on_delivery", LX_sender_on_delivery },
854 { US"sender_verify_fail", LX_sender_verify_fail },
855 { US"size_reject", L_size_reject },
856 { US"skip_delivery", L_skip_delivery },
857 { US"smtp_confirmation", LX_smtp_confirmation },
858 { US"smtp_connection", L_smtp_connection },
859 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
860 { US"smtp_mailauth", LX_smtp_mailauth },
861 { US"smtp_no_mail", LX_smtp_no_mail },
862 { US"smtp_protocol_error", L_smtp_protocol_error },
863 { US"smtp_syntax_error", L_smtp_syntax_error },
864 { US"subject", LX_subject },
865 { US"tls_certificate_verified", LX_tls_certificate_verified },
866 { US"tls_cipher", LX_tls_cipher },
867 { US"tls_peerdn", LX_tls_peerdn },
868 { US"tls_sni", LX_tls_sni },
869 { US"unknown_in_list", LX_unknown_in_list }
870 };
871
872 int log_options_count = sizeof(log_options)/sizeof(bit_table);
873 int log_reject_target = 0;
874 uschar *log_selector_string = NULL;
875 FILE *log_stderr = NULL;
876 BOOL log_testing_mode = FALSE;
877 BOOL log_timezone = FALSE;
878 unsigned int log_write_selector= L_default;
879 uschar *login_sender_address = NULL;
880 uschar *lookup_dnssec_authenticated = NULL;
881 int lookup_open_max = 25;
882 uschar *lookup_value = NULL;
883
884 macro_item *macros = NULL;
885 uschar *mailstore_basename = NULL;
886 #ifdef WITH_CONTENT_SCAN
887 uschar *malware_name = NULL; /* Virus Name */
888 #endif
889 int max_received_linelength= 0;
890 int max_username_length = 0;
891 int message_age = 0;
892 uschar *message_body = NULL;
893 uschar *message_body_end = NULL;
894 BOOL message_body_newlines = FALSE;
895 int message_body_size = 0;
896 int message_body_visible = 500;
897 int message_ended = END_NOTSTARTED;
898 uschar *message_headers = NULL;
899 uschar *message_id;
900 uschar *message_id_domain = NULL;
901 uschar *message_id_text = NULL;
902 struct timeval message_id_tv = { 0, 0 };
903 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
904 uschar *message_id_external;
905 int message_linecount = 0;
906 BOOL message_logs = TRUE;
907 int message_size = 0;
908 uschar *message_size_limit = US"50M";
909 uschar message_subdir[2] = { 0, 0 };
910 uschar *message_reference = NULL;
911
912 /* MIME ACL expandables */
913 #ifdef WITH_CONTENT_SCAN
914 int mime_anomaly_level = 0;
915 const uschar *mime_anomaly_text = NULL;
916 uschar *mime_boundary = NULL;
917 uschar *mime_charset = NULL;
918 uschar *mime_content_description = NULL;
919 uschar *mime_content_disposition = NULL;
920 uschar *mime_content_id = NULL;
921 unsigned int mime_content_size = 0;
922 uschar *mime_content_transfer_encoding = NULL;
923 uschar *mime_content_type = NULL;
924 uschar *mime_decoded_filename = NULL;
925 uschar *mime_filename = NULL;
926 int mime_is_multipart = 0;
927 int mime_is_coverletter = 0;
928 int mime_is_rfc822 = 0;
929 int mime_part_count = -1;
930 #endif
931
932 BOOL mua_wrapper = FALSE;
933
934 uid_t *never_users = NULL;
935 #ifdef WITH_CONTENT_SCAN
936 BOOL no_mbox_unspool = FALSE;
937 #endif
938 BOOL no_multiline_responses = FALSE;
939
940 uid_t original_euid;
941 gid_t originator_gid;
942 uschar *originator_login = NULL;
943 uschar *originator_name = NULL;
944 uid_t originator_uid;
945 uschar *override_local_interfaces = NULL;
946 uschar *override_pid_file_path = NULL;
947
948 BOOL parse_allow_group = FALSE;
949 BOOL parse_found_group = FALSE;
950 uschar *percent_hack_domains = NULL;
951 uschar *pid_file_path = US PID_FILE_PATH
952 "\0<--------------Space to patch pid_file_path->";
953 BOOL pipelining_enable = TRUE;
954 uschar *pipelining_advertise_hosts = US"*";
955 BOOL preserve_message_logs = FALSE;
956 uschar *primary_hostname = NULL;
957 BOOL print_topbitchars = FALSE;
958 uschar process_info[PROCESS_INFO_SIZE];
959 int process_info_len = 0;
960 uschar *process_log_path = NULL;
961 BOOL prod_requires_admin = TRUE;
962
963 #ifdef EXPERIMENTAL_PROXY
964 uschar *proxy_host_address = US"";
965 int proxy_host_port = 0;
966 uschar *proxy_required_hosts = US"";
967 BOOL proxy_session = FALSE;
968 BOOL proxy_session_failed = FALSE;
969 uschar *proxy_target_address = US"";
970 int proxy_target_port = 0;
971 #endif
972
973 uschar *prvscheck_address = NULL;
974 uschar *prvscheck_keynum = NULL;
975 uschar *prvscheck_result = NULL;
976
977
978 uschar *qualify_domain_recipient = NULL;
979 uschar *qualify_domain_sender = NULL;
980 BOOL queue_2stage = FALSE;
981 uschar *queue_domains = NULL;
982 int queue_interval = -1;
983 BOOL queue_list_requires_admin = TRUE;
984 BOOL queue_only = FALSE;
985 uschar *queue_only_file = NULL;
986 int queue_only_load = -1;
987 BOOL queue_only_load_latch = TRUE;
988 BOOL queue_only_override = TRUE;
989 BOOL queue_only_policy = FALSE;
990 BOOL queue_run_first_delivery = FALSE;
991 BOOL queue_run_force = FALSE;
992 BOOL queue_run_in_order = FALSE;
993 BOOL queue_run_local = FALSE;
994 int queue_run_max = 5;
995 pid_t queue_run_pid = (pid_t)0;
996 int queue_run_pipe = -1;
997 BOOL queue_running = FALSE;
998 BOOL queue_smtp = FALSE;
999 uschar *queue_smtp_domains = NULL;
1000
1001 unsigned int random_seed = 0;
1002 tree_node *ratelimiters_cmd = NULL;
1003 tree_node *ratelimiters_conn = NULL;
1004 tree_node *ratelimiters_mail = NULL;
1005 uschar *raw_active_hostname = NULL;
1006 uschar *raw_sender = NULL;
1007 uschar **raw_recipients = NULL;
1008 int raw_recipients_count = 0;
1009
1010 int rcpt_count = 0;
1011 int rcpt_fail_count = 0;
1012 int rcpt_defer_count = 0;
1013 gid_t real_gid;
1014 uid_t real_uid;
1015 BOOL really_exim = TRUE;
1016 BOOL receive_call_bombout = FALSE;
1017 int receive_linecount = 0;
1018 int receive_messagecount = 0;
1019 int receive_timeout = 0;
1020 int received_count = 0;
1021 uschar *received_for = NULL;
1022
1023 /* This is the default text for Received headers generated by Exim. The
1024 date will be automatically added on the end. */
1025
1026 uschar *received_header_text = US
1027 "Received: "
1028 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1029 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1030 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1031 "by $primary_hostname "
1032 "${if def:received_protocol {with $received_protocol}} "
1033 #ifdef SUPPORT_TLS
1034 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1035 #endif
1036 "(Exim $version_number)\n\t"
1037 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1038 "id $message_exim_id"
1039 "${if def:received_for {\n\tfor $received_for}}"
1040 "\0<---------------Space to patch received_header_text->";
1041
1042 int received_headers_max = 30;
1043 uschar *received_protocol = NULL;
1044 int received_time = 0;
1045 uschar *recipient_data = NULL;
1046 uschar *recipient_unqualified_hosts = NULL;
1047 uschar *recipient_verify_failure = NULL;
1048 int recipients_count = 0;
1049 BOOL recipients_discarded = FALSE;
1050 recipient_item *recipients_list = NULL;
1051 int recipients_list_max = 0;
1052 int recipients_max = 0;
1053 BOOL recipients_max_reject = FALSE;
1054 const pcre *regex_AUTH = NULL;
1055 const pcre *regex_check_dns_names = NULL;
1056 const pcre *regex_From = NULL;
1057 const pcre *regex_IGNOREQUOTA = NULL;
1058 const pcre *regex_PIPELINING = NULL;
1059 const pcre *regex_SIZE = NULL;
1060 const pcre *regex_smtp_code = NULL;
1061 const pcre *regex_ismsgid = NULL;
1062 #ifdef WHITELIST_D_MACROS
1063 const pcre *regex_whitelisted_macro = NULL;
1064 #endif
1065 #ifdef WITH_CONTENT_SCAN
1066 uschar *regex_match_string = NULL;
1067 #endif
1068 int remote_delivery_count = 0;
1069 int remote_max_parallel = 2;
1070 uschar *remote_sort_domains = NULL;
1071 int retry_data_expire = 7*24*60*60;
1072 int retry_interval_max = 24*60*60;
1073 int retry_maximum_timeout = 0; /* set from retry config */
1074 retry_config *retries = NULL;
1075 uschar *return_path = NULL;
1076 BOOL return_path_remove = TRUE;
1077 int rewrite_existflags = 0;
1078 uschar *rfc1413_hosts = US"*";
1079 int rfc1413_query_timeout = 5;
1080 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1081 uid_t root_gid = ROOT_GID;
1082 uid_t root_uid = ROOT_UID;
1083
1084 router_instance *routers = NULL;
1085 router_instance router_defaults = {
1086 NULL, /* chain pointer */
1087 NULL, /* name */
1088 NULL, /* info */
1089 NULL, /* private options block pointer */
1090 NULL, /* driver name */
1091
1092 NULL, /* address_data */
1093 #ifdef EXPERIMENTAL_BRIGHTMAIL
1094 NULL, /* bmi_rule */
1095 #endif
1096 NULL, /* cannot_route_message */
1097 NULL, /* condition */
1098 NULL, /* current_directory */
1099 NULL, /* debug_string */
1100 NULL, /* domains */
1101 NULL, /* errors_to */
1102 NULL, /* expand_gid */
1103 NULL, /* expand_uid */
1104 NULL, /* expand_more */
1105 NULL, /* expand_unseen */
1106 NULL, /* extra_headers */
1107 NULL, /* fallback_hosts */
1108 NULL, /* home_directory */
1109 NULL, /* ignore_target_hosts */
1110 NULL, /* local_parts */
1111 NULL, /* pass_router_name */
1112 NULL, /* prefix */
1113 NULL, /* redirect_router_name */
1114 NULL, /* remove_headers */
1115 NULL, /* require_files */
1116 NULL, /* router_home_directory */
1117 US"freeze", /* self */
1118 NULL, /* senders */
1119 NULL, /* suffix */
1120 NULL, /* translate_ip_address */
1121 NULL, /* transport_name */
1122
1123 TRUE, /* address_test */
1124 #ifdef EXPERIMENTAL_BRIGHTMAIL
1125 FALSE, /* bmi_deliver_alternate */
1126 FALSE, /* bmi_deliver_default */
1127 FALSE, /* bmi_dont_deliver */
1128 #endif
1129 TRUE, /* expn */
1130 FALSE, /* caseful_local_part */
1131 FALSE, /* check_local_user */
1132 FALSE, /* disable_logging */
1133 FALSE, /* fail_verify_recipient */
1134 FALSE, /* fail_verify_sender */
1135 FALSE, /* gid_set */
1136 FALSE, /* initgroups */
1137 TRUE_UNSET, /* log_as_local */
1138 TRUE, /* more */
1139 FALSE, /* pass_on_timeout */
1140 FALSE, /* prefix_optional */
1141 TRUE, /* repeat_use */
1142 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1143 FALSE, /* same_domain_copy_routing */
1144 FALSE, /* self_rewrite */
1145 FALSE, /* suffix_optional */
1146 FALSE, /* verify_only */
1147 TRUE, /* verify_recipient */
1148 TRUE, /* verify_sender */
1149 FALSE, /* uid_set */
1150 FALSE, /* unseen */
1151 #ifdef EXPERIMENTAL_DSN
1152 FALSE, /* dsn_lasthop */
1153 #endif
1154
1155 self_freeze, /* self_code */
1156 (uid_t)(-1), /* uid */
1157 (gid_t)(-1), /* gid */
1158
1159 NULL, /* fallback_hostlist */
1160 NULL, /* transport instance */
1161 NULL, /* pass_router */
1162 NULL /* redirect_router */
1163 };
1164
1165 uschar *router_name = NULL;
1166
1167 ip_address_item *running_interfaces = NULL;
1168 BOOL running_in_test_harness = FALSE;
1169
1170 /* This is a weird one. The following string gets patched in the binary by the
1171 script that sets up a copy of Exim for running in the test harness. It seems
1172 that compilers are now clever, and share constant strings if they can.
1173 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1174 make use of the end of this string in order to save space. So the patching then
1175 wrecks this. We defeat this optimization by adding some additional characters
1176 onto the end of the string. */
1177
1178 uschar *running_status = US">>>running<<<" "\0EXTRA";
1179
1180 int runrc = 0;
1181
1182 uschar *search_error_message = NULL;
1183 BOOL search_find_defer = FALSE;
1184 uschar *self_hostname = NULL;
1185 uschar *sender_address = NULL;
1186 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1187 uschar *sender_address_data = NULL;
1188 BOOL sender_address_forced = FALSE;
1189 uschar *sender_address_unrewritten = NULL;
1190 uschar *sender_data = NULL;
1191 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1192 uschar *sender_fullhost = NULL;
1193 uschar *sender_helo_name = NULL;
1194 uschar **sender_host_aliases = &no_aliases;
1195 uschar *sender_host_address = NULL;
1196 uschar *sender_host_authenticated = NULL;
1197 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1198 BOOL sender_host_dnssec = FALSE;
1199 uschar *sender_host_name = NULL;
1200 int sender_host_port = 0;
1201 BOOL sender_host_notsocket = FALSE;
1202 BOOL sender_host_unknown = FALSE;
1203 uschar *sender_ident = NULL;
1204 BOOL sender_local = FALSE;
1205 BOOL sender_name_forced = FALSE;
1206 uschar *sender_rate = NULL;
1207 uschar *sender_rate_limit = NULL;
1208 uschar *sender_rate_period = NULL;
1209 uschar *sender_rcvhost = NULL;
1210 BOOL sender_set_untrusted = FALSE;
1211 uschar *sender_unqualified_hosts = NULL;
1212 uschar *sender_verify_failure = NULL;
1213 address_item *sender_verified_list = NULL;
1214 address_item *sender_verified_failed = NULL;
1215 int sender_verified_rc = -1;
1216 BOOL sender_verified_responded = FALSE;
1217 uschar *sending_ip_address = NULL;
1218 int sending_port = -1;
1219 SIGNAL_BOOL sigalrm_seen = FALSE;
1220 uschar **sighup_argv = NULL;
1221 int smtp_accept_count = 0;
1222 BOOL smtp_accept_keepalive = TRUE;
1223 int smtp_accept_max = 20;
1224 int smtp_accept_max_nonmail= 10;
1225 uschar *smtp_accept_max_nonmail_hosts = US"*";
1226 int smtp_accept_max_per_connection = 1000;
1227 uschar *smtp_accept_max_per_host = NULL;
1228 int smtp_accept_queue = 0;
1229 int smtp_accept_queue_per_connection = 10;
1230 int smtp_accept_reserve = 0;
1231 uschar *smtp_active_hostname = NULL;
1232 BOOL smtp_authenticated = FALSE;
1233 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1234 "Exim $version_number $tod_full"
1235 "\0<---------------Space to patch smtp_banner->";
1236 BOOL smtp_batched_input = FALSE;
1237 BOOL smtp_check_spool_space = TRUE;
1238 int smtp_ch_index = 0;
1239 uschar *smtp_cmd_argument = NULL;
1240 uschar *smtp_cmd_buffer = NULL;
1241 time_t smtp_connection_start = 0;
1242 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1243 int smtp_connect_backlog = 20;
1244 double smtp_delay_mail = 0.0;
1245 double smtp_delay_rcpt = 0.0;
1246 BOOL smtp_enforce_sync = TRUE;
1247 FILE *smtp_in = NULL;
1248 BOOL smtp_input = FALSE;
1249 int smtp_load_reserve = -1;
1250 int smtp_mailcmd_count = 0;
1251 FILE *smtp_out = NULL;
1252 uschar *smtp_etrn_command = NULL;
1253 BOOL smtp_etrn_serialize = TRUE;
1254 int smtp_max_synprot_errors= 3;
1255 int smtp_max_unknown_commands = 3;
1256 uschar *smtp_notquit_reason = NULL;
1257 uschar *smtp_ratelimit_hosts = NULL;
1258 uschar *smtp_ratelimit_mail = NULL;
1259 uschar *smtp_ratelimit_rcpt = NULL;
1260 uschar *smtp_read_error = US"";
1261 int smtp_receive_timeout = 5*60;
1262 uschar *smtp_reserve_hosts = NULL;
1263 BOOL smtp_return_error_details = FALSE;
1264 int smtp_rlm_base = 0;
1265 double smtp_rlm_factor = 0.0;
1266 int smtp_rlm_limit = 0;
1267 int smtp_rlm_threshold = INT_MAX;
1268 int smtp_rlr_base = 0;
1269 double smtp_rlr_factor = 0.0;
1270 int smtp_rlr_limit = 0;
1271 int smtp_rlr_threshold = INT_MAX;
1272 BOOL smtp_use_pipelining = FALSE;
1273 BOOL smtp_use_size = FALSE;
1274
1275 #ifdef WITH_CONTENT_SCAN
1276 uschar *spamd_address = US"127.0.0.1 783";
1277 uschar *spam_bar = NULL;
1278 uschar *spam_report = NULL;
1279 uschar *spam_score = NULL;
1280 uschar *spam_score_int = NULL;
1281 #endif
1282 #ifdef EXPERIMENTAL_SPF
1283 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1284 uschar *spf_header_comment = NULL;
1285 uschar *spf_received = NULL;
1286 uschar *spf_result = NULL;
1287 uschar *spf_smtp_comment = NULL;
1288 #endif
1289
1290 BOOL split_spool_directory = FALSE;
1291 uschar *spool_directory = US SPOOL_DIRECTORY
1292 "\0<--------------Space to patch spool_directory->";
1293 #ifdef EXPERIMENTAL_SRS
1294 uschar *srs_config = NULL;
1295 uschar *srs_db_address = NULL;
1296 uschar *srs_db_key = NULL;
1297 int srs_hashlength = 6;
1298 int srs_hashmin = -1;
1299 int srs_maxage = 31;
1300 uschar *srs_orig_recipient = NULL;
1301 uschar *srs_orig_sender = NULL;
1302 uschar *srs_recipient = NULL;
1303 uschar *srs_secrets = NULL;
1304 uschar *srs_status = NULL;
1305 BOOL srs_usehash = TRUE;
1306 BOOL srs_usetimestamp = TRUE;
1307 #endif
1308 BOOL strict_acl_vars = FALSE;
1309 int string_datestamp_offset= -1;
1310 int string_datestamp_length= 0;
1311 int string_datestamp_type = -1;
1312 BOOL strip_excess_angle_brackets = FALSE;
1313 BOOL strip_trailing_dot = FALSE;
1314 uschar *submission_domain = NULL;
1315 BOOL submission_mode = FALSE;
1316 uschar *submission_name = NULL;
1317 BOOL suppress_local_fixups = FALSE;
1318 BOOL suppress_local_fixups_default = FALSE;
1319 BOOL synchronous_delivery = FALSE;
1320 BOOL syslog_duplication = TRUE;
1321 int syslog_facility = LOG_MAIL;
1322 uschar *syslog_processname = US"exim";
1323 BOOL syslog_timestamp = TRUE;
1324 uschar *system_filter = NULL;
1325
1326 uschar *system_filter_directory_transport = NULL;
1327 uschar *system_filter_file_transport = NULL;
1328 uschar *system_filter_pipe_transport = NULL;
1329 uschar *system_filter_reply_transport = NULL;
1330
1331 gid_t system_filter_gid = 0;
1332 BOOL system_filter_gid_set = FALSE;
1333 uid_t system_filter_uid = (uid_t)-1;
1334 BOOL system_filter_uid_set = FALSE;
1335 BOOL system_filtering = FALSE;
1336
1337 BOOL tcp_nodelay = TRUE;
1338 #ifdef USE_TCP_WRAPPERS
1339 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1340 #endif
1341 int test_harness_load_avg = 0;
1342 int thismessage_size_limit = 0;
1343 int timeout_frozen_after = 0;
1344 BOOL timestamps_utc = FALSE;
1345
1346 transport_instance *transports = NULL;
1347
1348 transport_instance transport_defaults = {
1349 NULL, /* chain pointer */
1350 NULL, /* name */
1351 NULL, /* info */
1352 NULL, /* private options block pointer */
1353 NULL, /* driver name */
1354 NULL, /* setup entry point */
1355 1, /* batch_max */
1356 NULL, /* batch_id */
1357 NULL, /* home_dir */
1358 NULL, /* current_dir */
1359 NULL, /* expand-multi-domain */
1360 TRUE, /* multi-domain */
1361 FALSE, /* overrides_hosts */
1362 100, /* max_addresses */
1363 500, /* connection_max_messages */
1364 FALSE, /* deliver_as_creator */
1365 FALSE, /* disable_logging */
1366 FALSE, /* initgroups */
1367 FALSE, /* uid_set */
1368 FALSE, /* gid_set */
1369 (uid_t)(-1), /* uid */
1370 (gid_t)(-1), /* gid */
1371 NULL, /* expand_uid */
1372 NULL, /* expand_gid */
1373 NULL, /* warn_message */
1374 NULL, /* shadow */
1375 NULL, /* shadow_condition */
1376 NULL, /* filter_command */
1377 NULL, /* add_headers */
1378 NULL, /* remove_headers */
1379 NULL, /* return_path */
1380 NULL, /* debug_string */
1381 NULL, /* message_size_limit */
1382 NULL, /* headers_rewrite */
1383 NULL, /* rewrite_rules */
1384 0, /* rewrite_existflags */
1385 300, /* filter_timeout */
1386 FALSE, /* body_only */
1387 FALSE, /* delivery_date_add */
1388 FALSE, /* envelope_to_add */
1389 FALSE, /* headers_only */
1390 FALSE, /* rcpt_include_affixes */
1391 FALSE, /* return_path_add */
1392 FALSE, /* return_output */
1393 FALSE, /* return_fail_output */
1394 FALSE, /* log_output */
1395 FALSE, /* log_fail_output */
1396 FALSE, /* log_defer_output */
1397 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1398 1 nor 0 so can detect unset */
1399 #ifdef EXPERIMENTAL_EVENT
1400 ,NULL /* event_action */
1401 #endif
1402 };
1403
1404 int transport_count;
1405 uschar *transport_name = NULL;
1406 int transport_newlines;
1407 uschar **transport_filter_argv = NULL;
1408 int transport_filter_timeout;
1409 BOOL transport_filter_timed_out = FALSE;
1410 int transport_write_timeout= 0;
1411
1412 tree_node *tree_dns_fails = NULL;
1413 tree_node *tree_duplicates = NULL;
1414 tree_node *tree_nonrecipients = NULL;
1415 tree_node *tree_unusable = NULL;
1416
1417 BOOL trusted_caller = FALSE;
1418 BOOL trusted_config = TRUE;
1419 gid_t *trusted_groups = NULL;
1420 uid_t *trusted_users = NULL;
1421 uschar *timezone_string = US TIMEZONE_DEFAULT;
1422
1423 uschar *unknown_login = NULL;
1424 uschar *unknown_username = NULL;
1425 uschar *untrusted_set_sender = NULL;
1426
1427 /* A regex for matching a "From_" line in an incoming message, in the form
1428
1429 From ph10 Fri Jan 5 12:35 GMT 1996
1430
1431 which the "mail" commands send to the MTA (undocumented, of course), or in
1432 the form
1433
1434 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1435
1436 which is apparently used by some UUCPs, despite it not being in RFC 976.
1437 Because of variations in time formats, just match up to the minutes. That
1438 should be sufficient. Examples have been seen of time fields like 12:1:03,
1439 so just require one digit for hours and minutes. The weekday is also absent
1440 in some forms. */
1441
1442 uschar *uucp_from_pattern = US
1443 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1444 "(?:" /* Non-extracting bracket */
1445 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1446 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1447 ")" /* End alternation */
1448 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1449
1450 uschar *uucp_from_sender = US"$1";
1451
1452 uschar *verify_mode = NULL;
1453 uschar *version_copyright =
1454 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1455 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1456 uschar *version_date = US"?";
1457 uschar *version_cnumber = US"????";
1458 uschar *version_string = US"?";
1459
1460 uschar *warn_message_file = NULL;
1461 int warning_count = 0;
1462 uschar *warnmsg_delay = NULL;
1463 uschar *warnmsg_recipients = NULL;
1464 BOOL write_rejectlog = TRUE;
1465
1466
1467 /* End of globals.c */
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