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Add support in the fakens utility for TLSA records
[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 NULL, /* tls_cipher */
107 FALSE,/* tls_on_connect */
108 NULL, /* tls_on_connect_ports */
109 NULL, /* tls_ourcert */
110 NULL, /* tls_peercert */
111 NULL, /* tls_peerdn */
112 NULL, /* tls_sni */
113 0 /* tls_ocsp */
114 };
115 tls_support tls_out = {
116 -1, /* tls_active */
117 0, /* tls_bits */
118 FALSE,/* tls_certificate_verified */
119 NULL, /* tls_cipher */
120 FALSE,/* tls_on_connect */
121 NULL, /* tls_on_connect_ports */
122 NULL, /* tls_ourcert */
123 NULL, /* tls_peercert */
124 NULL, /* tls_peerdn */
125 NULL, /* tls_sni */
126 0 /* tls_ocsp */
127 };
128
129 #ifdef EXPERIMENTAL_DSN
130 uschar *dsn_envid = NULL;
131 int dsn_ret = 0;
132 const pcre *regex_DSN = NULL;
133 BOOL smtp_use_dsn = FALSE;
134 uschar *dsn_advertise_hosts = NULL;
135 #endif
136
137 #ifdef SUPPORT_TLS
138 BOOL gnutls_compat_mode = FALSE;
139 BOOL gnutls_allow_auto_pkcs11 = FALSE;
140 uschar *gnutls_require_mac = NULL;
141 uschar *gnutls_require_kx = NULL;
142 uschar *gnutls_require_proto = NULL;
143 uschar *openssl_options = NULL;
144 const pcre *regex_STARTTLS = NULL;
145 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
146 uschar *tls_certificate = NULL;
147 uschar *tls_crl = NULL;
148 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
149 that's the interop problem which has been observed: GnuTLS suggesting a higher
150 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
151 int tls_dh_max_bits = 2236;
152 uschar *tls_dhparam = NULL;
153 #ifndef DISABLE_OCSP
154 uschar *tls_ocsp_file = NULL;
155 #endif
156 BOOL tls_offered = FALSE;
157 uschar *tls_privatekey = NULL;
158 BOOL tls_remember_esmtp = FALSE;
159 uschar *tls_require_ciphers = NULL;
160 uschar *tls_try_verify_hosts = NULL;
161 uschar *tls_verify_certificates= NULL;
162 uschar *tls_verify_hosts = NULL;
163 #endif
164
165 #ifndef DISABLE_PRDR
166 /* Per Recipient Data Response variables */
167 BOOL prdr_enable = FALSE;
168 BOOL prdr_requested = FALSE;
169 const pcre *regex_PRDR = NULL;
170 #endif
171
172 /* Input-reading functions for messages, so we can use special ones for
173 incoming TCP/IP. The defaults use stdin. We never need these for any
174 stand-alone tests. */
175
176 #ifndef STAND_ALONE
177 int (*receive_getc)(void) = stdin_getc;
178 int (*receive_ungetc)(int) = stdin_ungetc;
179 int (*receive_feof)(void) = stdin_feof;
180 int (*receive_ferror)(void) = stdin_ferror;
181 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
182 #endif
183
184
185 /* List of per-address expansion variables for clearing and saving/restoring
186 when verifying one address while routing/verifying another. We have to have
187 the size explicit, because it is referenced from more than one module. */
188
189 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
190 &deliver_address_data,
191 &deliver_domain,
192 &deliver_domain_data,
193 &deliver_domain_orig,
194 &deliver_domain_parent,
195 &deliver_localpart,
196 &deliver_localpart_data,
197 &deliver_localpart_orig,
198 &deliver_localpart_parent,
199 &deliver_localpart_prefix,
200 &deliver_localpart_suffix,
201 (uschar **)(&deliver_recipients),
202 &deliver_host,
203 &deliver_home,
204 &address_file,
205 &address_pipe,
206 &self_hostname,
207 NULL };
208
209 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
210
211 /* General global variables */
212
213 header_line *acl_added_headers = NULL;
214 tree_node *acl_anchor = NULL;
215 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
216 NULL, NULL, NULL, NULL};
217 int acl_narg = 0;
218
219 uschar *acl_not_smtp = NULL;
220 #ifdef WITH_CONTENT_SCAN
221 uschar *acl_not_smtp_mime = NULL;
222 #endif
223 uschar *acl_not_smtp_start = NULL;
224 uschar *acl_removed_headers = NULL;
225 uschar *acl_smtp_auth = NULL;
226 uschar *acl_smtp_connect = NULL;
227 uschar *acl_smtp_data = NULL;
228 #ifndef DISABLE_PRDR
229 uschar *acl_smtp_data_prdr = NULL;
230 #endif
231 #ifndef DISABLE_DKIM
232 uschar *acl_smtp_dkim = NULL;
233 #endif
234 uschar *acl_smtp_etrn = NULL;
235 uschar *acl_smtp_expn = NULL;
236 uschar *acl_smtp_helo = NULL;
237 uschar *acl_smtp_mail = NULL;
238 uschar *acl_smtp_mailauth = NULL;
239 #ifdef WITH_CONTENT_SCAN
240 uschar *acl_smtp_mime = NULL;
241 #endif
242 uschar *acl_smtp_notquit = NULL;
243 uschar *acl_smtp_predata = NULL;
244 uschar *acl_smtp_quit = NULL;
245 uschar *acl_smtp_rcpt = NULL;
246 uschar *acl_smtp_starttls = NULL;
247 uschar *acl_smtp_vrfy = NULL;
248
249 BOOL acl_temp_details = FALSE;
250 tree_node *acl_var_c = NULL;
251 tree_node *acl_var_m = NULL;
252 uschar *acl_verify_message = NULL;
253 string_item *acl_warn_logged = NULL;
254
255 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
256 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
257
258 uschar *acl_wherenames[] = { US"RCPT",
259 US"MAIL",
260 US"PREDATA",
261 US"MIME",
262 US"DKIM",
263 US"DATA",
264 #ifndef DISABLE_PRDR
265 US"PRDR",
266 #endif
267 US"non-SMTP",
268 US"AUTH",
269 US"connection",
270 US"ETRN",
271 US"EXPN",
272 US"EHLO or HELO",
273 US"MAILAUTH",
274 US"non-SMTP-start",
275 US"NOTQUIT",
276 US"QUIT",
277 US"STARTTLS",
278 US"VRFY",
279 US"delivery",
280 US"unknown"
281 };
282
283 uschar *acl_wherecodes[] = { US"550", /* RCPT */
284 US"550", /* MAIL */
285 US"550", /* PREDATA */
286 US"550", /* MIME */
287 US"550", /* DKIM */
288 US"550", /* DATA */
289 #ifndef DISABLE_PRDR
290 US"550", /* RCPT PRDR */
291 #endif
292 US"0", /* not SMTP; not relevant */
293 US"503", /* AUTH */
294 US"550", /* connect */
295 US"458", /* ETRN */
296 US"550", /* EXPN */
297 US"550", /* HELO/EHLO */
298 US"0", /* MAILAUTH; not relevant */
299 US"0", /* not SMTP; not relevant */
300 US"0", /* NOTQUIT; not relevant */
301 US"0", /* QUIT; not relevant */
302 US"550", /* STARTTLS */
303 US"252", /* VRFY */
304 US"0", /* delivery; not relevant */
305 US"0" /* unknown; not relevant */
306 };
307
308 BOOL active_local_from_check = FALSE;
309 BOOL active_local_sender_retain = FALSE;
310 int body_8bitmime = 0;
311 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
312 address_item *addr_duplicate = NULL;
313
314 address_item address_defaults = {
315 NULL, /* next */
316 NULL, /* parent */
317 NULL, /* first */
318 NULL, /* dupof */
319 NULL, /* start_router */
320 NULL, /* router */
321 NULL, /* transport */
322 NULL, /* host_list */
323 NULL, /* host_used */
324 NULL, /* fallback_hosts */
325 NULL, /* reply */
326 NULL, /* retries */
327 NULL, /* address */
328 NULL, /* unique */
329 NULL, /* cc_local_part */
330 NULL, /* lc_local_part */
331 NULL, /* local_part */
332 NULL, /* prefix */
333 NULL, /* suffix */
334 NULL, /* domain */
335 NULL, /* address_retry_key */
336 NULL, /* domain_retry_key */
337 NULL, /* current_dir */
338 NULL, /* home_dir */
339 NULL, /* message */
340 NULL, /* user_message */
341 NULL, /* onetime_parent */
342 NULL, /* pipe_expandn */
343 NULL, /* return_filename */
344 NULL, /* self_hostname */
345 NULL, /* shadow_message */
346 #ifdef SUPPORT_TLS
347 NULL, /* cipher */
348 NULL, /* ourcert */
349 NULL, /* peercert */
350 NULL, /* peerdn */
351 OCSP_NOT_REQ, /* ocsp */
352 #endif
353 NULL, /* authenticator */
354 NULL, /* auth_id */
355 NULL, /* auth_sndr */
356 #ifdef EXPERIMENTAL_DSN
357 NULL, /* dsn_orcpt */
358 0, /* dsn_flags */
359 0, /* dsn_aware */
360 #endif
361 (uid_t)(-1), /* uid */
362 (gid_t)(-1), /* gid */
363 0, /* flags */
364 { 0 }, /* domain_cache - any larger array should be zeroed */
365 { 0 }, /* localpart_cache - ditto */
366 -1, /* mode */
367 0, /* more_errno */
368 ERRNO_UNKNOWNERROR, /* basic_errno */
369 0, /* child_count */
370 -1, /* return_file */
371 SPECIAL_NONE, /* special_action */
372 DEFER, /* transport_return */
373 { /* fields that are propagated to children */
374 NULL, /* address_data */
375 NULL, /* domain_data */
376 NULL, /* localpart_data */
377 NULL, /* errors_address */
378 NULL, /* extra_headers */
379 NULL, /* remove_headers */
380 #ifdef EXPERIMENTAL_SRS
381 NULL, /* srs_sender */
382 #endif
383 }
384 };
385
386 uschar *address_file = NULL;
387 uschar *address_pipe = NULL;
388 BOOL address_test_mode = FALSE;
389 tree_node *addresslist_anchor = NULL;
390 int addresslist_count = 0;
391 gid_t *admin_groups = NULL;
392 BOOL admin_user = FALSE;
393 BOOL allow_auth_unadvertised= FALSE;
394 BOOL allow_domain_literals = FALSE;
395 BOOL allow_mx_to_ip = FALSE;
396 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
397 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
398 BOOL allow_utf8_domains = FALSE;
399 uschar *authenticated_fail_id = NULL;
400 uschar *authenticated_id = NULL;
401 uschar *authenticated_sender = NULL;
402 BOOL authentication_failed = FALSE;
403 auth_instance *auths = NULL;
404 uschar *auth_advertise_hosts = US"*";
405 auth_instance auth_defaults = {
406 NULL, /* chain pointer */
407 NULL, /* name */
408 NULL, /* info */
409 NULL, /* private options block pointer */
410 NULL, /* driver_name */
411 NULL, /* advertise_condition */
412 NULL, /* client_condition */
413 NULL, /* public_name */
414 NULL, /* set_id */
415 NULL, /* set_client_id */
416 NULL, /* server_mail_auth_condition */
417 NULL, /* server_debug_string */
418 NULL, /* server_condition */
419 FALSE, /* client */
420 FALSE, /* server */
421 FALSE /* advertised */
422 };
423
424 uschar *auth_defer_msg = US"reason not recorded";
425 uschar *auth_defer_user_msg = US"";
426 uschar *auth_vars[AUTH_VARS];
427 int auto_thaw = 0;
428 #ifdef WITH_CONTENT_SCAN
429 BOOL av_failed = FALSE;
430 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
431 #endif
432
433 BOOL background_daemon = TRUE;
434
435 #if BASE_62 == 62
436 uschar *base62_chars=
437 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
438 #else
439 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
440 #endif
441
442 uschar *bi_command = NULL;
443 uschar *big_buffer = NULL;
444 int big_buffer_size = BIG_BUFFER_SIZE;
445 #ifdef EXPERIMENTAL_BRIGHTMAIL
446 uschar *bmi_alt_location = NULL;
447 uschar *bmi_base64_tracker_verdict = NULL;
448 uschar *bmi_base64_verdict = NULL;
449 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
450 int bmi_deliver = 1;
451 int bmi_run = 0;
452 uschar *bmi_verdicts = NULL;
453 #endif
454 int body_linecount = 0;
455 int body_zerocount = 0;
456 uschar *bounce_message_file = NULL;
457 uschar *bounce_message_text = NULL;
458 uschar *bounce_recipient = NULL;
459 BOOL bounce_return_body = TRUE;
460 BOOL bounce_return_message = TRUE;
461 int bounce_return_size_limit = 100*1024;
462 uschar *bounce_sender_authentication = NULL;
463 int bsmtp_transaction_linecount = 0;
464
465 int callout_cache_domain_positive_expire = 7*24*60*60;
466 int callout_cache_domain_negative_expire = 3*60*60;
467 int callout_cache_positive_expire = 24*60*60;
468 int callout_cache_negative_expire = 2*60*60;
469 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
470 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
471 int check_log_inodes = 0;
472 int check_log_space = 0;
473 BOOL check_rfc2047_length = TRUE;
474 int check_spool_inodes = 0;
475 int check_spool_space = 0;
476 uschar *client_authenticator = NULL;
477 uschar *client_authenticated_id = NULL;
478 uschar *client_authenticated_sender = NULL;
479 int clmacro_count = 0;
480 uschar *clmacros[MAX_CLMACROS];
481 BOOL config_changed = FALSE;
482 FILE *config_file = NULL;
483 uschar *config_filename = NULL;
484 int config_lineno = 0;
485 #ifdef CONFIGURE_GROUP
486 gid_t config_gid = CONFIGURE_GROUP;
487 #endif
488 uschar *config_main_filelist = US CONFIGURE_FILE
489 "\0<-----------Space to patch configure_filename->";
490 uschar *config_main_filename = NULL;
491
492 #ifdef CONFIGURE_OWNER
493 uid_t config_uid = CONFIGURE_OWNER;
494 #endif
495
496 int connection_max_messages= -1;
497 uschar *continue_hostname = NULL;
498 uschar *continue_host_address = NULL;
499 BOOL continue_more = FALSE;
500 int continue_sequence = 1;
501 uschar *continue_transport = NULL;
502
503 uschar *csa_status = NULL;
504 BOOL cutthrough_delivery = FALSE;
505 int cutthrough_fd = -1;
506
507 BOOL daemon_listen = FALSE;
508 uschar *daemon_smtp_port = US"smtp";
509 int daemon_startup_retries = 9;
510 int daemon_startup_sleep = 30;
511
512 #ifdef EXPERIMENTAL_DCC
513 BOOL dcc_direct_add_header = FALSE;
514 uschar *dcc_header = NULL;
515 uschar *dcc_result = NULL;
516 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
517 uschar *dccifd_options = US"header";
518 #endif
519
520 BOOL debug_daemon = FALSE;
521 int debug_fd = -1;
522 FILE *debug_file = NULL;
523 bit_table debug_options[] = {
524 { US"acl", D_acl },
525 { US"all", D_all },
526 { US"auth", D_auth },
527 { US"deliver", D_deliver },
528 { US"dns", D_dns },
529 { US"dnsbl", D_dnsbl },
530 { US"exec", D_exec },
531 { US"expand", D_expand },
532 { US"filter", D_filter },
533 { US"hints_lookup", D_hints_lookup },
534 { US"host_lookup", D_host_lookup },
535 { US"ident", D_ident },
536 { US"interface", D_interface },
537 { US"lists", D_lists },
538 { US"load", D_load },
539 { US"local_scan", D_local_scan },
540 { US"lookup", D_lookup },
541 { US"memory", D_memory },
542 { US"pid", D_pid },
543 { US"process_info", D_process_info },
544 { US"queue_run", D_queue_run },
545 { US"receive", D_receive },
546 { US"resolver", D_resolver },
547 { US"retry", D_retry },
548 { US"rewrite", D_rewrite },
549 { US"route", D_route },
550 { US"timestamp", D_timestamp },
551 { US"tls", D_tls },
552 { US"transport", D_transport },
553 { US"uid", D_uid },
554 { US"verify", D_verify }
555 };
556 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
557 unsigned int debug_selector = 0;
558 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
559 uschar *delay_warning_condition=
560 US"${if or {"
561 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
562 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
563 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
564 "} {no}{yes}}";
565 BOOL delivery_date_remove = TRUE;
566 uschar *deliver_address_data = NULL;
567 int deliver_datafile = -1;
568 uschar *deliver_domain = NULL;
569 uschar *deliver_domain_data = NULL;
570 uschar *deliver_domain_orig = NULL;
571 uschar *deliver_domain_parent = NULL;
572 BOOL deliver_drop_privilege = FALSE;
573 BOOL deliver_firsttime = FALSE;
574 BOOL deliver_force = FALSE;
575 BOOL deliver_freeze = FALSE;
576 time_t deliver_frozen_at = 0;
577 uschar *deliver_home = NULL;
578 uschar *deliver_host = NULL;
579 uschar *deliver_host_address = NULL;
580 uschar *deliver_in_buffer = NULL;
581 ino_t deliver_inode = 0;
582 uschar *deliver_localpart = NULL;
583 uschar *deliver_localpart_data = NULL;
584 uschar *deliver_localpart_orig = NULL;
585 uschar *deliver_localpart_parent = NULL;
586 uschar *deliver_localpart_prefix = NULL;
587 uschar *deliver_localpart_suffix = NULL;
588 BOOL deliver_force_thaw = FALSE;
589 BOOL deliver_manual_thaw = FALSE;
590 uschar *deliver_out_buffer = NULL;
591 int deliver_queue_load_max = -1;
592 address_item *deliver_recipients = NULL;
593 uschar *deliver_selectstring = NULL;
594 BOOL deliver_selectstring_regex = FALSE;
595 uschar *deliver_selectstring_sender = NULL;
596 BOOL deliver_selectstring_sender_regex = FALSE;
597 #ifdef WITH_OLD_DEMIME
598 int demime_errorlevel = 0;
599 int demime_ok = 0;
600 uschar *demime_reason = NULL;
601 #endif
602 BOOL disable_callout_flush = FALSE;
603 BOOL disable_delay_flush = FALSE;
604 #ifdef ENABLE_DISABLE_FSYNC
605 BOOL disable_fsync = FALSE;
606 #endif
607 BOOL disable_ipv6 = FALSE;
608 BOOL disable_logging = FALSE;
609
610 #ifndef DISABLE_DKIM
611 uschar *dkim_cur_signer = NULL;
612 uschar *dkim_signers = NULL;
613 uschar *dkim_signing_domain = NULL;
614 uschar *dkim_signing_selector = NULL;
615 uschar *dkim_verify_signers = US"$dkim_signers";
616 BOOL dkim_collect_input = FALSE;
617 BOOL dkim_disable_verify = FALSE;
618 #endif
619 #ifdef EXPERIMENTAL_DMARC
620 BOOL dmarc_has_been_checked = FALSE;
621 uschar *dmarc_ar_header = NULL;
622 uschar *dmarc_domain_policy = NULL;
623 uschar *dmarc_forensic_sender = NULL;
624 uschar *dmarc_history_file = NULL;
625 uschar *dmarc_status = NULL;
626 uschar *dmarc_status_text = NULL;
627 uschar *dmarc_tld_file = NULL;
628 uschar *dmarc_used_domain = NULL;
629 BOOL dmarc_disable_verify = FALSE;
630 BOOL dmarc_enable_forensic = FALSE;
631 #endif
632
633 uschar *dns_again_means_nonexist = NULL;
634 int dns_csa_search_limit = 5;
635 BOOL dns_csa_use_reverse = TRUE;
636 #ifdef EXPERIMENTAL_DANE
637 int dns_dane_ok = -1;
638 #endif
639 uschar *dns_ipv4_lookup = NULL;
640 int dns_retrans = 0;
641 int dns_retry = 0;
642 int dns_dnssec_ok = -1; /* <0 = not coerced */
643 int dns_use_edns0 = -1; /* <0 = not coerced */
644 uschar *dnslist_domain = NULL;
645 uschar *dnslist_matched = NULL;
646 uschar *dnslist_text = NULL;
647 uschar *dnslist_value = NULL;
648 tree_node *domainlist_anchor = NULL;
649 int domainlist_count = 0;
650 BOOL dont_deliver = FALSE;
651 BOOL dot_ends = TRUE;
652 BOOL drop_cr = FALSE; /* No longer used */
653 uschar *dsn_from = US DEFAULT_DSN_FROM;
654
655 BOOL enable_dollar_recipients = FALSE;
656 BOOL envelope_to_remove = TRUE;
657 int errno_quota = ERRNO_QUOTA;
658 uschar *errors_copy = NULL;
659 int error_handling = ERRORS_SENDER;
660 uschar *errors_reply_to = NULL;
661 int errors_sender_rc = EXIT_FAILURE;
662
663 gid_t exim_gid = EXIM_GID;
664 BOOL exim_gid_set = TRUE; /* This gid is always set */
665 uschar *exim_path = US BIN_DIRECTORY "/exim"
666 "\0<---------------Space to patch exim_path->";
667 uid_t exim_uid = EXIM_UID;
668 BOOL exim_uid_set = TRUE; /* This uid is always set */
669 int expand_forbid = 0;
670 int expand_nlength[EXPAND_MAXN+1];
671 int expand_nmax = -1;
672 uschar *expand_nstring[EXPAND_MAXN+1];
673 BOOL expand_string_forcedfail = FALSE;
674 uschar *expand_string_message;
675 BOOL extract_addresses_remove_arguments = TRUE;
676 uschar *extra_local_interfaces = NULL;
677
678 int fake_response = OK;
679 uschar *fake_response_text = US"Your message has been rejected but is "
680 "being kept for evaluation.\nIf it was a "
681 "legitimate message, it may still be "
682 "delivered to the target recipient(s).";
683 int filter_n[FILTER_VARIABLE_COUNT];
684 BOOL filter_running = FALSE;
685 int filter_sn[FILTER_VARIABLE_COUNT];
686 int filter_test = FTEST_NONE;
687 uschar *filter_test_sfile = NULL;
688 uschar *filter_test_ufile = NULL;
689 uschar *filter_thisaddress = NULL;
690 int finduser_retries = 0;
691 #ifdef WITH_OLD_DEMIME
692 uschar *found_extension = NULL;
693 #endif
694 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
695 uschar *freeze_tell = NULL;
696 uschar *freeze_tell_config = NULL;
697 uschar *fudged_queue_times = US"";
698
699 uschar *gecos_name = NULL;
700 uschar *gecos_pattern = NULL;
701 rewrite_rule *global_rewrite_rules = NULL;
702
703 uschar *headers_charset = US HEADERS_CHARSET;
704 int header_insert_maxlen = 64 * 1024;
705 header_line *header_last = NULL;
706 header_line *header_list = NULL;
707 int header_maxsize = HEADER_MAXSIZE;
708 int header_line_maxsize = 0;
709
710 header_name header_names[] = {
711 { US"bcc", 3, TRUE, htype_bcc },
712 { US"cc", 2, TRUE, htype_cc },
713 { US"date", 4, TRUE, htype_date },
714 { US"delivery-date", 13, FALSE, htype_delivery_date },
715 { US"envelope-to", 11, FALSE, htype_envelope_to },
716 { US"from", 4, TRUE, htype_from },
717 { US"message-id", 10, TRUE, htype_id },
718 { US"received", 8, FALSE, htype_received },
719 { US"reply-to", 8, FALSE, htype_reply_to },
720 { US"return-path", 11, FALSE, htype_return_path },
721 { US"sender", 6, TRUE, htype_sender },
722 { US"subject", 7, FALSE, htype_subject },
723 { US"to", 2, TRUE, htype_to }
724 };
725
726 int header_names_size = sizeof(header_names)/sizeof(header_name);
727
728 BOOL header_rewritten = FALSE;
729 uschar *helo_accept_junk_hosts = NULL;
730 uschar *helo_allow_chars = US"";
731 uschar *helo_lookup_domains = US"@ : @[]";
732 uschar *helo_try_verify_hosts = NULL;
733 BOOL helo_verified = FALSE;
734 BOOL helo_verify_failed = FALSE;
735 uschar *helo_verify_hosts = NULL;
736 const uschar *hex_digits = CUS"0123456789abcdef";
737 uschar *hold_domains = NULL;
738 BOOL host_checking = FALSE;
739 BOOL host_checking_callout = FALSE;
740 uschar *host_data = NULL;
741 BOOL host_find_failed_syntax= FALSE;
742 uschar *host_lookup = NULL;
743 BOOL host_lookup_deferred = FALSE;
744 BOOL host_lookup_failed = FALSE;
745 uschar *host_lookup_order = US"bydns:byaddr";
746 uschar *host_lookup_msg = US"";
747 int host_number = 0;
748 uschar *host_number_string = NULL;
749 uschar *host_reject_connection = NULL;
750 tree_node *hostlist_anchor = NULL;
751 int hostlist_count = 0;
752 uschar *hosts_treat_as_local = NULL;
753 uschar *hosts_connection_nolog = NULL;
754
755 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
756 BOOL ignore_fromline_local = FALSE;
757 uschar *ignore_fromline_hosts = NULL;
758 BOOL inetd_wait_mode = FALSE;
759 int inetd_wait_timeout = -1;
760 uschar *interface_address = NULL;
761 int interface_port = -1;
762 BOOL is_inetd = FALSE;
763 uschar *iterate_item = NULL;
764
765 int journal_fd = -1;
766
767 int keep_malformed = 4*24*60*60; /* 4 days */
768
769 uschar *eldap_dn = NULL;
770 int load_average = -2;
771 BOOL local_error_message = FALSE;
772 BOOL local_from_check = TRUE;
773 uschar *local_from_prefix = NULL;
774 uschar *local_from_suffix = NULL;
775
776 #if HAVE_IPV6
777 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
778 #else
779 uschar *local_interfaces = US"0.0.0.0";
780 #endif
781
782 uschar *local_scan_data = NULL;
783 int local_scan_timeout = 5*60;
784 BOOL local_sender_retain = FALSE;
785 gid_t local_user_gid = (gid_t)(-1);
786 uid_t local_user_uid = (uid_t)(-1);
787
788 tree_node *localpartlist_anchor= NULL;
789 int localpartlist_count = 0;
790 uschar *log_buffer = NULL;
791 unsigned int log_extra_selector = LX_default;
792 uschar *log_file_path = US LOG_FILE_PATH
793 "\0<--------------Space to patch log_file_path->";
794
795 /* Those log options with L_xxx identifiers have values less than 0x800000 and
796 are the ones that get put into log_write_selector. They can be used in calls to
797 log_write() to test for the bit. The options with LX_xxx identifiers have
798 values greater than 0x80000000 and are put into log_extra_selector (without the
799 top bit). They are never used in calls to log_write(), but are tested
800 independently. This separation became necessary when the number of log
801 selectors was getting close to filling a 32-bit word. */
802
803 /* Note that this list must be in alphabetical order. */
804
805 bit_table log_options[] = {
806 { US"8bitmime", LX_8bitmime },
807 { US"acl_warn_skipped", LX_acl_warn_skipped },
808 { US"address_rewrite", L_address_rewrite },
809 { US"all", L_all },
810 { US"all_parents", L_all_parents },
811 { US"arguments", LX_arguments },
812 { US"connection_reject", L_connection_reject },
813 { US"delay_delivery", L_delay_delivery },
814 { US"deliver_time", LX_deliver_time },
815 { US"delivery_size", LX_delivery_size },
816 { US"dnslist_defer", L_dnslist_defer },
817 { US"etrn", L_etrn },
818 { US"host_lookup_failed", L_host_lookup_failed },
819 { US"ident_timeout", LX_ident_timeout },
820 { US"incoming_interface", LX_incoming_interface },
821 { US"incoming_port", LX_incoming_port },
822 { US"lost_incoming_connection", L_lost_incoming_connection },
823 { US"outgoing_port", LX_outgoing_port },
824 { US"pid", LX_pid },
825 #ifdef EXPERIMENTAL_PROXY
826 { US"proxy", LX_proxy },
827 #endif
828 { US"queue_run", L_queue_run },
829 { US"queue_time", LX_queue_time },
830 { US"queue_time_overall", LX_queue_time_overall },
831 { US"received_recipients", LX_received_recipients },
832 { US"received_sender", LX_received_sender },
833 { US"rejected_header", LX_rejected_header },
834 { US"rejected_headers", LX_rejected_header },
835 { US"retry_defer", L_retry_defer },
836 { US"return_path_on_delivery", LX_return_path_on_delivery },
837 { US"sender_on_delivery", LX_sender_on_delivery },
838 { US"sender_verify_fail", LX_sender_verify_fail },
839 { US"size_reject", L_size_reject },
840 { US"skip_delivery", L_skip_delivery },
841 { US"smtp_confirmation", LX_smtp_confirmation },
842 { US"smtp_connection", L_smtp_connection },
843 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
844 { US"smtp_mailauth", LX_smtp_mailauth },
845 { US"smtp_no_mail", LX_smtp_no_mail },
846 { US"smtp_protocol_error", L_smtp_protocol_error },
847 { US"smtp_syntax_error", L_smtp_syntax_error },
848 { US"subject", LX_subject },
849 { US"tls_certificate_verified", LX_tls_certificate_verified },
850 { US"tls_cipher", LX_tls_cipher },
851 { US"tls_peerdn", LX_tls_peerdn },
852 { US"tls_sni", LX_tls_sni },
853 { US"unknown_in_list", LX_unknown_in_list }
854 };
855
856 int log_options_count = sizeof(log_options)/sizeof(bit_table);
857 int log_reject_target = 0;
858 uschar *log_selector_string = NULL;
859 FILE *log_stderr = NULL;
860 BOOL log_testing_mode = FALSE;
861 BOOL log_timezone = FALSE;
862 unsigned int log_write_selector= L_default;
863 uschar *login_sender_address = NULL;
864 uschar *lookup_dnssec_authenticated = NULL;
865 int lookup_open_max = 25;
866 uschar *lookup_value = NULL;
867
868 macro_item *macros = NULL;
869 uschar *mailstore_basename = NULL;
870 #ifdef WITH_CONTENT_SCAN
871 uschar *malware_name = NULL; /* Virus Name */
872 #endif
873 int max_received_linelength= 0;
874 int max_username_length = 0;
875 int message_age = 0;
876 uschar *message_body = NULL;
877 uschar *message_body_end = NULL;
878 BOOL message_body_newlines = FALSE;
879 int message_body_size = 0;
880 int message_body_visible = 500;
881 int message_ended = END_NOTSTARTED;
882 uschar *message_headers = NULL;
883 uschar *message_id;
884 uschar *message_id_domain = NULL;
885 uschar *message_id_text = NULL;
886 struct timeval message_id_tv = { 0, 0 };
887 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
888 uschar *message_id_external;
889 int message_linecount = 0;
890 BOOL message_logs = TRUE;
891 int message_size = 0;
892 uschar *message_size_limit = US"50M";
893 uschar message_subdir[2] = { 0, 0 };
894 uschar *message_reference = NULL;
895
896 /* MIME ACL expandables */
897 #ifdef WITH_CONTENT_SCAN
898 int mime_anomaly_level = 0;
899 const uschar *mime_anomaly_text = NULL;
900 uschar *mime_boundary = NULL;
901 uschar *mime_charset = NULL;
902 uschar *mime_content_description = NULL;
903 uschar *mime_content_disposition = NULL;
904 uschar *mime_content_id = NULL;
905 unsigned int mime_content_size = 0;
906 uschar *mime_content_transfer_encoding = NULL;
907 uschar *mime_content_type = NULL;
908 uschar *mime_decoded_filename = NULL;
909 uschar *mime_filename = NULL;
910 int mime_is_multipart = 0;
911 int mime_is_coverletter = 0;
912 int mime_is_rfc822 = 0;
913 int mime_part_count = -1;
914 #endif
915
916 BOOL mua_wrapper = FALSE;
917
918 uid_t *never_users = NULL;
919 #ifdef WITH_CONTENT_SCAN
920 BOOL no_mbox_unspool = FALSE;
921 #endif
922 BOOL no_multiline_responses = FALSE;
923
924 uid_t original_euid;
925 gid_t originator_gid;
926 uschar *originator_login = NULL;
927 uschar *originator_name = NULL;
928 uid_t originator_uid;
929 uschar *override_local_interfaces = NULL;
930 uschar *override_pid_file_path = NULL;
931
932 BOOL parse_allow_group = FALSE;
933 BOOL parse_found_group = FALSE;
934 uschar *percent_hack_domains = NULL;
935 uschar *pid_file_path = US PID_FILE_PATH
936 "\0<--------------Space to patch pid_file_path->";
937 BOOL pipelining_enable = TRUE;
938 uschar *pipelining_advertise_hosts = US"*";
939 BOOL preserve_message_logs = FALSE;
940 uschar *primary_hostname = NULL;
941 BOOL print_topbitchars = FALSE;
942 uschar process_info[PROCESS_INFO_SIZE];
943 int process_info_len = 0;
944 uschar *process_log_path = NULL;
945 BOOL prod_requires_admin = TRUE;
946
947 #ifdef EXPERIMENTAL_PROXY
948 uschar *proxy_host_address = US"";
949 int proxy_host_port = 0;
950 uschar *proxy_required_hosts = US"";
951 BOOL proxy_session = FALSE;
952 BOOL proxy_session_failed = FALSE;
953 uschar *proxy_target_address = US"";
954 int proxy_target_port = 0;
955 #endif
956
957 uschar *prvscheck_address = NULL;
958 uschar *prvscheck_keynum = NULL;
959 uschar *prvscheck_result = NULL;
960
961
962 uschar *qualify_domain_recipient = NULL;
963 uschar *qualify_domain_sender = NULL;
964 BOOL queue_2stage = FALSE;
965 uschar *queue_domains = NULL;
966 int queue_interval = -1;
967 BOOL queue_list_requires_admin = TRUE;
968 BOOL queue_only = FALSE;
969 uschar *queue_only_file = NULL;
970 int queue_only_load = -1;
971 BOOL queue_only_load_latch = TRUE;
972 BOOL queue_only_override = TRUE;
973 BOOL queue_only_policy = FALSE;
974 BOOL queue_run_first_delivery = FALSE;
975 BOOL queue_run_force = FALSE;
976 BOOL queue_run_in_order = FALSE;
977 BOOL queue_run_local = FALSE;
978 int queue_run_max = 5;
979 pid_t queue_run_pid = (pid_t)0;
980 int queue_run_pipe = -1;
981 BOOL queue_running = FALSE;
982 BOOL queue_smtp = FALSE;
983 uschar *queue_smtp_domains = NULL;
984
985 unsigned int random_seed = 0;
986 tree_node *ratelimiters_cmd = NULL;
987 tree_node *ratelimiters_conn = NULL;
988 tree_node *ratelimiters_mail = NULL;
989 uschar *raw_active_hostname = NULL;
990 uschar *raw_sender = NULL;
991 uschar **raw_recipients = NULL;
992 int raw_recipients_count = 0;
993
994 int rcpt_count = 0;
995 int rcpt_fail_count = 0;
996 int rcpt_defer_count = 0;
997 gid_t real_gid;
998 uid_t real_uid;
999 BOOL really_exim = TRUE;
1000 BOOL receive_call_bombout = FALSE;
1001 int receive_linecount = 0;
1002 int receive_messagecount = 0;
1003 int receive_timeout = 0;
1004 int received_count = 0;
1005 uschar *received_for = NULL;
1006
1007 /* This is the default text for Received headers generated by Exim. The
1008 date will be automatically added on the end. */
1009
1010 uschar *received_header_text = US
1011 "Received: "
1012 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1013 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1014 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1015 "by $primary_hostname "
1016 "${if def:received_protocol {with $received_protocol}} "
1017 #ifdef SUPPORT_TLS
1018 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1019 #endif
1020 "(Exim $version_number)\n\t"
1021 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1022 "id $message_exim_id"
1023 "${if def:received_for {\n\tfor $received_for}}"
1024 "\0<---------------Space to patch received_header_text->";
1025
1026 int received_headers_max = 30;
1027 uschar *received_protocol = NULL;
1028 int received_time = 0;
1029 uschar *recipient_data = NULL;
1030 uschar *recipient_unqualified_hosts = NULL;
1031 uschar *recipient_verify_failure = NULL;
1032 int recipients_count = 0;
1033 BOOL recipients_discarded = FALSE;
1034 recipient_item *recipients_list = NULL;
1035 int recipients_list_max = 0;
1036 int recipients_max = 0;
1037 BOOL recipients_max_reject = FALSE;
1038 const pcre *regex_AUTH = NULL;
1039 const pcre *regex_check_dns_names = NULL;
1040 const pcre *regex_From = NULL;
1041 const pcre *regex_IGNOREQUOTA = NULL;
1042 const pcre *regex_PIPELINING = NULL;
1043 const pcre *regex_SIZE = NULL;
1044 const pcre *regex_smtp_code = NULL;
1045 const pcre *regex_ismsgid = NULL;
1046 #ifdef WHITELIST_D_MACROS
1047 const pcre *regex_whitelisted_macro = NULL;
1048 #endif
1049 #ifdef WITH_CONTENT_SCAN
1050 uschar *regex_match_string = NULL;
1051 #endif
1052 int remote_delivery_count = 0;
1053 int remote_max_parallel = 2;
1054 uschar *remote_sort_domains = NULL;
1055 int retry_data_expire = 7*24*60*60;
1056 int retry_interval_max = 24*60*60;
1057 int retry_maximum_timeout = 0; /* set from retry config */
1058 retry_config *retries = NULL;
1059 uschar *return_path = NULL;
1060 BOOL return_path_remove = TRUE;
1061 int rewrite_existflags = 0;
1062 uschar *rfc1413_hosts = US"*";
1063 int rfc1413_query_timeout = 5;
1064 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1065 uid_t root_gid = ROOT_GID;
1066 uid_t root_uid = ROOT_UID;
1067
1068 router_instance *routers = NULL;
1069 router_instance router_defaults = {
1070 NULL, /* chain pointer */
1071 NULL, /* name */
1072 NULL, /* info */
1073 NULL, /* private options block pointer */
1074 NULL, /* driver name */
1075
1076 NULL, /* address_data */
1077 #ifdef EXPERIMENTAL_BRIGHTMAIL
1078 NULL, /* bmi_rule */
1079 #endif
1080 NULL, /* cannot_route_message */
1081 NULL, /* condition */
1082 NULL, /* current_directory */
1083 NULL, /* debug_string */
1084 NULL, /* domains */
1085 NULL, /* errors_to */
1086 NULL, /* expand_gid */
1087 NULL, /* expand_uid */
1088 NULL, /* expand_more */
1089 NULL, /* expand_unseen */
1090 NULL, /* extra_headers */
1091 NULL, /* fallback_hosts */
1092 NULL, /* home_directory */
1093 NULL, /* ignore_target_hosts */
1094 NULL, /* local_parts */
1095 NULL, /* pass_router_name */
1096 NULL, /* prefix */
1097 NULL, /* redirect_router_name */
1098 NULL, /* remove_headers */
1099 NULL, /* require_files */
1100 NULL, /* router_home_directory */
1101 US"freeze", /* self */
1102 NULL, /* senders */
1103 NULL, /* suffix */
1104 NULL, /* translate_ip_address */
1105 NULL, /* transport_name */
1106
1107 TRUE, /* address_test */
1108 #ifdef EXPERIMENTAL_BRIGHTMAIL
1109 FALSE, /* bmi_deliver_alternate */
1110 FALSE, /* bmi_deliver_default */
1111 FALSE, /* bmi_dont_deliver */
1112 #endif
1113 TRUE, /* expn */
1114 FALSE, /* caseful_local_part */
1115 FALSE, /* check_local_user */
1116 FALSE, /* disable_logging */
1117 FALSE, /* fail_verify_recipient */
1118 FALSE, /* fail_verify_sender */
1119 FALSE, /* gid_set */
1120 FALSE, /* initgroups */
1121 TRUE_UNSET, /* log_as_local */
1122 TRUE, /* more */
1123 FALSE, /* pass_on_timeout */
1124 FALSE, /* prefix_optional */
1125 TRUE, /* repeat_use */
1126 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1127 FALSE, /* same_domain_copy_routing */
1128 FALSE, /* self_rewrite */
1129 FALSE, /* suffix_optional */
1130 FALSE, /* verify_only */
1131 TRUE, /* verify_recipient */
1132 TRUE, /* verify_sender */
1133 FALSE, /* uid_set */
1134 FALSE, /* unseen */
1135 #ifdef EXPERIMENTAL_DSN
1136 FALSE, /* dsn_lasthop */
1137 #endif
1138
1139 self_freeze, /* self_code */
1140 (uid_t)(-1), /* uid */
1141 (gid_t)(-1), /* gid */
1142
1143 NULL, /* fallback_hostlist */
1144 NULL, /* transport instance */
1145 NULL, /* pass_router */
1146 NULL /* redirect_router */
1147 };
1148
1149 uschar *router_name = NULL;
1150
1151 ip_address_item *running_interfaces = NULL;
1152 BOOL running_in_test_harness = FALSE;
1153
1154 /* This is a weird one. The following string gets patched in the binary by the
1155 script that sets up a copy of Exim for running in the test harness. It seems
1156 that compilers are now clever, and share constant strings if they can.
1157 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1158 make use of the end of this string in order to save space. So the patching then
1159 wrecks this. We defeat this optimization by adding some additional characters
1160 onto the end of the string. */
1161
1162 uschar *running_status = US">>>running<<<" "\0EXTRA";
1163
1164 int runrc = 0;
1165
1166 uschar *search_error_message = NULL;
1167 BOOL search_find_defer = FALSE;
1168 uschar *self_hostname = NULL;
1169 uschar *sender_address = NULL;
1170 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1171 uschar *sender_address_data = NULL;
1172 BOOL sender_address_forced = FALSE;
1173 uschar *sender_address_unrewritten = NULL;
1174 uschar *sender_data = NULL;
1175 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1176 uschar *sender_fullhost = NULL;
1177 uschar *sender_helo_name = NULL;
1178 uschar **sender_host_aliases = &no_aliases;
1179 uschar *sender_host_address = NULL;
1180 uschar *sender_host_authenticated = NULL;
1181 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1182 BOOL sender_host_dnssec = FALSE;
1183 uschar *sender_host_name = NULL;
1184 int sender_host_port = 0;
1185 BOOL sender_host_notsocket = FALSE;
1186 BOOL sender_host_unknown = FALSE;
1187 uschar *sender_ident = NULL;
1188 BOOL sender_local = FALSE;
1189 BOOL sender_name_forced = FALSE;
1190 uschar *sender_rate = NULL;
1191 uschar *sender_rate_limit = NULL;
1192 uschar *sender_rate_period = NULL;
1193 uschar *sender_rcvhost = NULL;
1194 BOOL sender_set_untrusted = FALSE;
1195 uschar *sender_unqualified_hosts = NULL;
1196 uschar *sender_verify_failure = NULL;
1197 address_item *sender_verified_list = NULL;
1198 address_item *sender_verified_failed = NULL;
1199 int sender_verified_rc = -1;
1200 BOOL sender_verified_responded = FALSE;
1201 uschar *sending_ip_address = NULL;
1202 int sending_port = -1;
1203 SIGNAL_BOOL sigalrm_seen = FALSE;
1204 uschar **sighup_argv = NULL;
1205 int smtp_accept_count = 0;
1206 BOOL smtp_accept_keepalive = TRUE;
1207 int smtp_accept_max = 20;
1208 int smtp_accept_max_nonmail= 10;
1209 uschar *smtp_accept_max_nonmail_hosts = US"*";
1210 int smtp_accept_max_per_connection = 1000;
1211 uschar *smtp_accept_max_per_host = NULL;
1212 int smtp_accept_queue = 0;
1213 int smtp_accept_queue_per_connection = 10;
1214 int smtp_accept_reserve = 0;
1215 uschar *smtp_active_hostname = NULL;
1216 BOOL smtp_authenticated = FALSE;
1217 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1218 "Exim $version_number $tod_full"
1219 "\0<---------------Space to patch smtp_banner->";
1220 BOOL smtp_batched_input = FALSE;
1221 BOOL smtp_check_spool_space = TRUE;
1222 int smtp_ch_index = 0;
1223 uschar *smtp_cmd_argument = NULL;
1224 uschar *smtp_cmd_buffer = NULL;
1225 time_t smtp_connection_start = 0;
1226 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1227 int smtp_connect_backlog = 20;
1228 double smtp_delay_mail = 0.0;
1229 double smtp_delay_rcpt = 0.0;
1230 BOOL smtp_enforce_sync = TRUE;
1231 FILE *smtp_in = NULL;
1232 BOOL smtp_input = FALSE;
1233 int smtp_load_reserve = -1;
1234 int smtp_mailcmd_count = 0;
1235 FILE *smtp_out = NULL;
1236 uschar *smtp_etrn_command = NULL;
1237 BOOL smtp_etrn_serialize = TRUE;
1238 int smtp_max_synprot_errors= 3;
1239 int smtp_max_unknown_commands = 3;
1240 uschar *smtp_notquit_reason = NULL;
1241 uschar *smtp_ratelimit_hosts = NULL;
1242 uschar *smtp_ratelimit_mail = NULL;
1243 uschar *smtp_ratelimit_rcpt = NULL;
1244 uschar *smtp_read_error = US"";
1245 int smtp_receive_timeout = 5*60;
1246 uschar *smtp_reserve_hosts = NULL;
1247 BOOL smtp_return_error_details = FALSE;
1248 int smtp_rlm_base = 0;
1249 double smtp_rlm_factor = 0.0;
1250 int smtp_rlm_limit = 0;
1251 int smtp_rlm_threshold = INT_MAX;
1252 int smtp_rlr_base = 0;
1253 double smtp_rlr_factor = 0.0;
1254 int smtp_rlr_limit = 0;
1255 int smtp_rlr_threshold = INT_MAX;
1256 BOOL smtp_use_pipelining = FALSE;
1257 BOOL smtp_use_size = FALSE;
1258
1259 #ifdef WITH_CONTENT_SCAN
1260 uschar *spamd_address = US"127.0.0.1 783";
1261 uschar *spam_bar = NULL;
1262 uschar *spam_report = NULL;
1263 uschar *spam_score = NULL;
1264 uschar *spam_score_int = NULL;
1265 #endif
1266 #ifdef EXPERIMENTAL_SPF
1267 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1268 uschar *spf_header_comment = NULL;
1269 uschar *spf_received = NULL;
1270 uschar *spf_result = NULL;
1271 uschar *spf_smtp_comment = NULL;
1272 #endif
1273
1274 BOOL split_spool_directory = FALSE;
1275 uschar *spool_directory = US SPOOL_DIRECTORY
1276 "\0<--------------Space to patch spool_directory->";
1277 #ifdef EXPERIMENTAL_SRS
1278 uschar *srs_config = NULL;
1279 uschar *srs_db_address = NULL;
1280 uschar *srs_db_key = NULL;
1281 int srs_hashlength = 6;
1282 int srs_hashmin = -1;
1283 int srs_maxage = 31;
1284 uschar *srs_orig_recipient = NULL;
1285 uschar *srs_orig_sender = NULL;
1286 uschar *srs_recipient = NULL;
1287 uschar *srs_secrets = NULL;
1288 uschar *srs_status = NULL;
1289 BOOL srs_usehash = TRUE;
1290 BOOL srs_usetimestamp = TRUE;
1291 #endif
1292 BOOL strict_acl_vars = FALSE;
1293 int string_datestamp_offset= -1;
1294 int string_datestamp_length= 0;
1295 int string_datestamp_type = -1;
1296 BOOL strip_excess_angle_brackets = FALSE;
1297 BOOL strip_trailing_dot = FALSE;
1298 uschar *submission_domain = NULL;
1299 BOOL submission_mode = FALSE;
1300 uschar *submission_name = NULL;
1301 BOOL suppress_local_fixups = FALSE;
1302 BOOL suppress_local_fixups_default = FALSE;
1303 BOOL synchronous_delivery = FALSE;
1304 BOOL syslog_duplication = TRUE;
1305 int syslog_facility = LOG_MAIL;
1306 uschar *syslog_processname = US"exim";
1307 BOOL syslog_timestamp = TRUE;
1308 uschar *system_filter = NULL;
1309
1310 uschar *system_filter_directory_transport = NULL;
1311 uschar *system_filter_file_transport = NULL;
1312 uschar *system_filter_pipe_transport = NULL;
1313 uschar *system_filter_reply_transport = NULL;
1314
1315 gid_t system_filter_gid = 0;
1316 BOOL system_filter_gid_set = FALSE;
1317 uid_t system_filter_uid = (uid_t)-1;
1318 BOOL system_filter_uid_set = FALSE;
1319 BOOL system_filtering = FALSE;
1320
1321 BOOL tcp_nodelay = TRUE;
1322 #ifdef USE_TCP_WRAPPERS
1323 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1324 #endif
1325 int test_harness_load_avg = 0;
1326 int thismessage_size_limit = 0;
1327 int timeout_frozen_after = 0;
1328 BOOL timestamps_utc = FALSE;
1329
1330 #ifdef EXPERIMENTAL_TPDA
1331 int tpda_defer_errno = 0;
1332 uschar *tpda_defer_errstr = NULL;
1333 uschar *tpda_delivery_ip = NULL;
1334 int tpda_delivery_port = 0;
1335 uschar *tpda_delivery_fqdn = NULL;
1336 uschar *tpda_delivery_local_part= NULL;
1337 uschar *tpda_delivery_domain = NULL;
1338 uschar *tpda_delivery_confirmation = NULL;
1339 #endif
1340
1341 transport_instance *transports = NULL;
1342
1343 transport_instance transport_defaults = {
1344 NULL, /* chain pointer */
1345 NULL, /* name */
1346 NULL, /* info */
1347 NULL, /* private options block pointer */
1348 NULL, /* driver name */
1349 NULL, /* setup entry point */
1350 1, /* batch_max */
1351 NULL, /* batch_id */
1352 NULL, /* home_dir */
1353 NULL, /* current_dir */
1354 TRUE, /* multi-domain */
1355 FALSE, /* overrides_hosts */
1356 100, /* max_addresses */
1357 500, /* connection_max_messages */
1358 FALSE, /* deliver_as_creator */
1359 FALSE, /* disable_logging */
1360 FALSE, /* initgroups */
1361 FALSE, /* uid_set */
1362 FALSE, /* gid_set */
1363 (uid_t)(-1), /* uid */
1364 (gid_t)(-1), /* gid */
1365 NULL, /* expand_uid */
1366 NULL, /* expand_gid */
1367 NULL, /* warn_message */
1368 NULL, /* shadow */
1369 NULL, /* shadow_condition */
1370 NULL, /* filter_command */
1371 NULL, /* add_headers */
1372 NULL, /* remove_headers */
1373 NULL, /* return_path */
1374 NULL, /* debug_string */
1375 NULL, /* message_size_limit */
1376 NULL, /* headers_rewrite */
1377 NULL, /* rewrite_rules */
1378 0, /* rewrite_existflags */
1379 300, /* filter_timeout */
1380 FALSE, /* body_only */
1381 FALSE, /* delivery_date_add */
1382 FALSE, /* envelope_to_add */
1383 FALSE, /* headers_only */
1384 FALSE, /* rcpt_include_affixes */
1385 FALSE, /* return_path_add */
1386 FALSE, /* return_output */
1387 FALSE, /* return_fail_output */
1388 FALSE, /* log_output */
1389 FALSE, /* log_fail_output */
1390 FALSE, /* log_defer_output */
1391 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1392 1 nor 0 so can detect unset */
1393 #ifdef EXPERIMENTAL_TPDA
1394 ,NULL /* tpda_delivery_action */
1395 #endif
1396 };
1397
1398 int transport_count;
1399 uschar *transport_name = NULL;
1400 int transport_newlines;
1401 uschar **transport_filter_argv = NULL;
1402 int transport_filter_timeout;
1403 BOOL transport_filter_timed_out = FALSE;
1404 int transport_write_timeout= 0;
1405
1406 tree_node *tree_dns_fails = NULL;
1407 tree_node *tree_duplicates = NULL;
1408 tree_node *tree_nonrecipients = NULL;
1409 tree_node *tree_unusable = NULL;
1410
1411 BOOL trusted_caller = FALSE;
1412 BOOL trusted_config = TRUE;
1413 gid_t *trusted_groups = NULL;
1414 uid_t *trusted_users = NULL;
1415 uschar *timezone_string = US TIMEZONE_DEFAULT;
1416
1417 uschar *unknown_login = NULL;
1418 uschar *unknown_username = NULL;
1419 uschar *untrusted_set_sender = NULL;
1420
1421 /* A regex for matching a "From_" line in an incoming message, in the form
1422
1423 From ph10 Fri Jan 5 12:35 GMT 1996
1424
1425 which the "mail" commands send to the MTA (undocumented, of course), or in
1426 the form
1427
1428 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1429
1430 which is apparently used by some UUCPs, despite it not being in RFC 976.
1431 Because of variations in time formats, just match up to the minutes. That
1432 should be sufficient. Examples have been seen of time fields like 12:1:03,
1433 so just require one digit for hours and minutes. The weekday is also absent
1434 in some forms. */
1435
1436 uschar *uucp_from_pattern = US
1437 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1438 "(?:" /* Non-extracting bracket */
1439 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1440 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1441 ")" /* End alternation */
1442 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1443
1444 uschar *uucp_from_sender = US"$1";
1445
1446 uschar *warn_message_file = NULL;
1447 uschar *warnmsg_delay = NULL;
1448 uschar *warnmsg_recipients = NULL;
1449 BOOL write_rejectlog = TRUE;
1450
1451 uschar *version_copyright =
1452 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1453 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1454 uschar *version_date = US"?";
1455 uschar *version_cnumber = US"????";
1456 uschar *version_string = US"?";
1457
1458 int warning_count = 0;
1459
1460 /* End of globals.c */
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