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Logging: dnssec status on accept & delivery lines
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2016 */
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 BOOL opt_perl_taintmode = FALSE;
53 #endif
54
55 #ifdef EXPAND_DLFUNC
56 tree_node *dlobj_anchor = NULL;
57 #endif
58
59 #ifdef LOOKUP_IBASE
60 uschar *ibase_servers = NULL;
61 #endif
62
63 #ifdef LOOKUP_LDAP
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
73 #endif
74
75 #ifdef LOOKUP_MYSQL
76 uschar *mysql_servers = NULL;
77 #endif
78
79 #ifdef LOOKUP_ORACLE
80 uschar *oracle_servers = NULL;
81 #endif
82
83 #ifdef LOOKUP_PGSQL
84 uschar *pgsql_servers = NULL;
85 #endif
86
87 #ifdef LOOKUP_REDIS
88 uschar *redis_servers = NULL;
89 #endif
90
91 #ifdef LOOKUP_SQLITE
92 int sqlite_lock_timeout = 5;
93 #endif
94
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
97 #endif
98
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. */
102
103 tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
107 #ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
109 0, /* tlsa_usage */
110 #endif
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
119 };
120 tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
124 #ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
126 0, /* tlsa_usage */
127 #endif
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
136 };
137
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
144 #ifdef SUPPORT_TLS
145 BOOL gnutls_compat_mode = FALSE;
146 BOOL gnutls_allow_auto_pkcs11 = FALSE;
147 uschar *gnutls_require_mac = NULL;
148 uschar *gnutls_require_kx = NULL;
149 uschar *gnutls_require_proto = NULL;
150 uschar *openssl_options = NULL;
151 const pcre *regex_STARTTLS = NULL;
152 uschar *tls_advertise_hosts = US"*";
153 uschar *tls_certificate = NULL;
154 uschar *tls_crl = NULL;
155 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
156 that's the interop problem which has been observed: GnuTLS suggesting a higher
157 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
158 int tls_dh_max_bits = 2236;
159 uschar *tls_dhparam = NULL;
160 uschar *tls_eccurve = US"prime256v1";
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 #else /*!SUPPORT_TLS*/
172 uschar *tls_advertise_hosts = NULL;
173 #endif
174
175 #ifndef DISABLE_PRDR
176 /* Per Recipient Data Response variables */
177 BOOL prdr_enable = FALSE;
178 BOOL prdr_requested = FALSE;
179 const pcre *regex_PRDR = NULL;
180 #endif
181
182 #ifdef SUPPORT_I18N
183 const pcre *regex_UTF8 = NULL;
184 #endif
185
186 /* Input-reading functions for messages, so we can use special ones for
187 incoming TCP/IP. The defaults use stdin. We never need these for any
188 stand-alone tests. */
189
190 #ifndef STAND_ALONE
191 int (*receive_getc)(void) = stdin_getc;
192 int (*receive_ungetc)(int) = stdin_ungetc;
193 int (*receive_feof)(void) = stdin_feof;
194 int (*receive_ferror)(void) = stdin_ferror;
195 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196 #endif
197
198
199 /* List of per-address expansion variables for clearing and saving/restoring
200 when verifying one address while routing/verifying another. We have to have
201 the size explicit, because it is referenced from more than one module. */
202
203 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225 /* General global variables */
226
227 header_line *acl_added_headers = NULL;
228 tree_node *acl_anchor = NULL;
229 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231 int acl_narg = 0;
232
233 uschar *acl_not_smtp = NULL;
234 #ifdef WITH_CONTENT_SCAN
235 uschar *acl_not_smtp_mime = NULL;
236 #endif
237 uschar *acl_not_smtp_start = NULL;
238 uschar *acl_removed_headers = NULL;
239 uschar *acl_smtp_auth = NULL;
240 uschar *acl_smtp_connect = NULL;
241 uschar *acl_smtp_data = NULL;
242 #ifndef DISABLE_PRDR
243 uschar *acl_smtp_data_prdr = US"accept";
244 #endif
245 #ifndef DISABLE_DKIM
246 uschar *acl_smtp_dkim = NULL;
247 #endif
248 uschar *acl_smtp_etrn = NULL;
249 uschar *acl_smtp_expn = NULL;
250 uschar *acl_smtp_helo = NULL;
251 uschar *acl_smtp_mail = NULL;
252 uschar *acl_smtp_mailauth = NULL;
253 #ifdef WITH_CONTENT_SCAN
254 uschar *acl_smtp_mime = NULL;
255 #endif
256 uschar *acl_smtp_notquit = NULL;
257 uschar *acl_smtp_predata = NULL;
258 uschar *acl_smtp_quit = NULL;
259 uschar *acl_smtp_rcpt = NULL;
260 uschar *acl_smtp_starttls = NULL;
261 uschar *acl_smtp_vrfy = NULL;
262
263 BOOL acl_temp_details = FALSE;
264 tree_node *acl_var_c = NULL;
265 tree_node *acl_var_m = NULL;
266 uschar *acl_verify_message = NULL;
267 string_item *acl_warn_logged = NULL;
268
269 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
271
272 uschar *acl_wherenames[] = { US"RCPT",
273 US"MAIL",
274 US"PREDATA",
275 US"MIME",
276 US"DKIM",
277 US"DATA",
278 #ifndef DISABLE_PRDR
279 US"PRDR",
280 #endif
281 US"non-SMTP",
282 US"AUTH",
283 US"connection",
284 US"ETRN",
285 US"EXPN",
286 US"EHLO or HELO",
287 US"MAILAUTH",
288 US"non-SMTP-start",
289 US"NOTQUIT",
290 US"QUIT",
291 US"STARTTLS",
292 US"VRFY",
293 US"delivery",
294 US"unknown"
295 };
296
297 uschar *acl_wherecodes[] = { US"550", /* RCPT */
298 US"550", /* MAIL */
299 US"550", /* PREDATA */
300 US"550", /* MIME */
301 US"550", /* DKIM */
302 US"550", /* DATA */
303 #ifndef DISABLE_PRDR
304 US"550", /* RCPT PRDR */
305 #endif
306 US"0", /* not SMTP; not relevant */
307 US"503", /* AUTH */
308 US"550", /* connect */
309 US"458", /* ETRN */
310 US"550", /* EXPN */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
314 US"0", /* NOTQUIT; not relevant */
315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
317 US"252", /* VRFY */
318 US"0", /* delivery; not relevant */
319 US"0" /* unknown; not relevant */
320 };
321
322 BOOL active_local_from_check = FALSE;
323 BOOL active_local_sender_retain = FALSE;
324 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
325 uschar *add_environment = NULL;
326 address_item *addr_duplicate = NULL;
327
328 address_item address_defaults = {
329 NULL, /* next */
330 NULL, /* parent */
331 NULL, /* first */
332 NULL, /* dupof */
333 NULL, /* start_router */
334 NULL, /* router */
335 NULL, /* transport */
336 NULL, /* host_list */
337 NULL, /* host_used */
338 NULL, /* fallback_hosts */
339 NULL, /* reply */
340 NULL, /* retries */
341 NULL, /* address */
342 NULL, /* unique */
343 NULL, /* cc_local_part */
344 NULL, /* lc_local_part */
345 NULL, /* local_part */
346 NULL, /* prefix */
347 NULL, /* suffix */
348 NULL, /* domain */
349 NULL, /* address_retry_key */
350 NULL, /* domain_retry_key */
351 NULL, /* current_dir */
352 NULL, /* home_dir */
353 NULL, /* message */
354 NULL, /* user_message */
355 NULL, /* onetime_parent */
356 NULL, /* pipe_expandn */
357 NULL, /* return_filename */
358 NULL, /* self_hostname */
359 NULL, /* shadow_message */
360 #ifdef SUPPORT_TLS
361 NULL, /* cipher */
362 NULL, /* ourcert */
363 NULL, /* peercert */
364 NULL, /* peerdn */
365 OCSP_NOT_REQ, /* ocsp */
366 #endif
367 #ifdef EXPERIMENTAL_DSN_INFO
368 NULL, /* smtp_greeting */
369 NULL, /* helo_response */
370 #endif
371 NULL, /* authenticator */
372 NULL, /* auth_id */
373 NULL, /* auth_sndr */
374 NULL, /* dsn_orcpt */
375 0, /* dsn_flags */
376 0, /* dsn_aware */
377 (uid_t)(-1), /* uid */
378 (gid_t)(-1), /* gid */
379 0, /* flags */
380 { 0 }, /* domain_cache - any larger array should be zeroed */
381 { 0 }, /* localpart_cache - ditto */
382 -1, /* mode */
383 0, /* more_errno */
384 ERRNO_UNKNOWNERROR, /* basic_errno */
385 0, /* child_count */
386 -1, /* return_file */
387 SPECIAL_NONE, /* special_action */
388 DEFER, /* transport_return */
389 { /* fields that are propagated to children */
390 NULL, /* address_data */
391 NULL, /* domain_data */
392 NULL, /* localpart_data */
393 NULL, /* errors_address */
394 NULL, /* extra_headers */
395 NULL, /* remove_headers */
396 #ifdef EXPERIMENTAL_SRS
397 NULL, /* srs_sender */
398 #endif
399 #ifdef SUPPORT_I18N
400 FALSE, /* utf8 */
401 #endif
402 }
403 };
404
405 uschar *address_file = NULL;
406 uschar *address_pipe = NULL;
407 BOOL address_test_mode = FALSE;
408 tree_node *addresslist_anchor = NULL;
409 int addresslist_count = 0;
410 gid_t *admin_groups = NULL;
411 BOOL admin_user = FALSE;
412 BOOL allow_auth_unadvertised= FALSE;
413 BOOL allow_domain_literals = FALSE;
414 BOOL allow_mx_to_ip = FALSE;
415 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
416 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
417 BOOL allow_utf8_domains = FALSE;
418 uschar *authenticated_fail_id = NULL;
419 uschar *authenticated_id = NULL;
420 uschar *authenticated_sender = NULL;
421 BOOL authentication_failed = FALSE;
422 auth_instance *auths = NULL;
423 uschar *auth_advertise_hosts = US"*";
424 auth_instance auth_defaults = {
425 NULL, /* chain pointer */
426 NULL, /* name */
427 NULL, /* info */
428 NULL, /* private options block pointer */
429 NULL, /* driver_name */
430 NULL, /* advertise_condition */
431 NULL, /* client_condition */
432 NULL, /* public_name */
433 NULL, /* set_id */
434 NULL, /* set_client_id */
435 NULL, /* server_mail_auth_condition */
436 NULL, /* server_debug_string */
437 NULL, /* server_condition */
438 FALSE, /* client */
439 FALSE, /* server */
440 FALSE /* advertised */
441 };
442
443 uschar *auth_defer_msg = US"reason not recorded";
444 uschar *auth_defer_user_msg = US"";
445 uschar *auth_vars[AUTH_VARS];
446 int auto_thaw = 0;
447 #ifdef WITH_CONTENT_SCAN
448 BOOL av_failed = FALSE;
449 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
450 #endif
451
452 BOOL background_daemon = TRUE;
453
454 #if BASE_62 == 62
455 uschar *base62_chars=
456 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
457 #else
458 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
459 #endif
460
461 uschar *bi_command = NULL;
462 uschar *big_buffer = NULL;
463 int big_buffer_size = BIG_BUFFER_SIZE;
464 #ifdef EXPERIMENTAL_BRIGHTMAIL
465 uschar *bmi_alt_location = NULL;
466 uschar *bmi_base64_tracker_verdict = NULL;
467 uschar *bmi_base64_verdict = NULL;
468 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
469 int bmi_deliver = 1;
470 int bmi_run = 0;
471 uschar *bmi_verdicts = NULL;
472 #endif
473 int body_8bitmime = 0;
474 int body_linecount = 0;
475 int body_zerocount = 0;
476 uschar *bounce_message_file = NULL;
477 uschar *bounce_message_text = NULL;
478 uschar *bounce_recipient = NULL;
479 BOOL bounce_return_body = TRUE;
480 int bounce_return_linesize_limit = 998;
481 BOOL bounce_return_message = TRUE;
482 int bounce_return_size_limit = 100*1024;
483 uschar *bounce_sender_authentication = NULL;
484 int bsmtp_transaction_linecount = 0;
485
486 uschar *callout_address = NULL;
487 int callout_cache_domain_positive_expire = 7*24*60*60;
488 int callout_cache_domain_negative_expire = 3*60*60;
489 int callout_cache_positive_expire = 24*60*60;
490 int callout_cache_negative_expire = 2*60*60;
491 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
492 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
493 int check_log_inodes = 0;
494 int check_log_space = 0;
495 BOOL check_rfc2047_length = TRUE;
496 int check_spool_inodes = 0;
497 int check_spool_space = 0;
498 uschar *client_authenticator = NULL;
499 uschar *client_authenticated_id = NULL;
500 uschar *client_authenticated_sender = NULL;
501 int clmacro_count = 0;
502 uschar *clmacros[MAX_CLMACROS];
503 BOOL config_changed = FALSE;
504 FILE *config_file = NULL;
505 uschar *config_filename = NULL;
506 int config_lineno = 0;
507 #ifdef CONFIGURE_GROUP
508 gid_t config_gid = CONFIGURE_GROUP;
509 #endif
510 uschar *config_main_filelist = US CONFIGURE_FILE
511 "\0<-----------Space to patch configure_filename->";
512 uschar *config_main_filename = NULL;
513 uschar *config_main_directory = NULL;
514
515 #ifdef CONFIGURE_OWNER
516 uid_t config_uid = CONFIGURE_OWNER;
517 #endif
518
519 int connection_max_messages= -1;
520 uschar *continue_hostname = NULL;
521 uschar *continue_host_address = NULL;
522 BOOL continue_more = FALSE;
523 int continue_sequence = 1;
524 uschar *continue_transport = NULL;
525
526 uschar *csa_status = NULL;
527 cut_t cutthrough = {
528 FALSE, /* delivery: when to attempt */
529 -1, /* fd: open connection */
530 0, /* nrcpt: number of addresses */
531 };
532
533 BOOL daemon_listen = FALSE;
534 uschar *daemon_smtp_port = US"smtp";
535 int daemon_startup_retries = 9;
536 int daemon_startup_sleep = 30;
537
538 #ifdef EXPERIMENTAL_DCC
539 BOOL dcc_direct_add_header = FALSE;
540 uschar *dcc_header = NULL;
541 uschar *dcc_result = NULL;
542 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
543 uschar *dccifd_options = US"header";
544 #endif
545
546 BOOL debug_daemon = FALSE;
547 int debug_fd = -1;
548 FILE *debug_file = NULL;
549 int debug_notall[] = {
550 Di_memory,
551 -1
552 };
553 bit_table debug_options[] = { /* must be in alphabetical order */
554 BIT_TABLE(D, acl),
555 BIT_TABLE(D, all),
556 BIT_TABLE(D, auth),
557 BIT_TABLE(D, deliver),
558 BIT_TABLE(D, dns),
559 BIT_TABLE(D, dnsbl),
560 BIT_TABLE(D, exec),
561 BIT_TABLE(D, expand),
562 BIT_TABLE(D, filter),
563 BIT_TABLE(D, hints_lookup),
564 BIT_TABLE(D, host_lookup),
565 BIT_TABLE(D, ident),
566 BIT_TABLE(D, interface),
567 BIT_TABLE(D, lists),
568 BIT_TABLE(D, load),
569 BIT_TABLE(D, local_scan),
570 BIT_TABLE(D, lookup),
571 BIT_TABLE(D, memory),
572 BIT_TABLE(D, pid),
573 BIT_TABLE(D, process_info),
574 BIT_TABLE(D, queue_run),
575 BIT_TABLE(D, receive),
576 BIT_TABLE(D, resolver),
577 BIT_TABLE(D, retry),
578 BIT_TABLE(D, rewrite),
579 BIT_TABLE(D, route),
580 BIT_TABLE(D, timestamp),
581 BIT_TABLE(D, tls),
582 BIT_TABLE(D, transport),
583 BIT_TABLE(D, uid),
584 BIT_TABLE(D, verify),
585 };
586 int debug_options_count = nelem(debug_options);
587
588 unsigned int debug_selector = 0;
589 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
590 uschar *delay_warning_condition=
591 US"${if or {"
592 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
593 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
594 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
595 "} {no}{yes}}";
596 BOOL delivery_date_remove = TRUE;
597 uschar *deliver_address_data = NULL;
598 int deliver_datafile = -1;
599 const uschar *deliver_domain = NULL;
600 uschar *deliver_domain_data = NULL;
601 const uschar *deliver_domain_orig = NULL;
602 const uschar *deliver_domain_parent = NULL;
603 BOOL deliver_drop_privilege = FALSE;
604 BOOL deliver_firsttime = FALSE;
605 BOOL deliver_force = FALSE;
606 BOOL deliver_freeze = FALSE;
607 time_t deliver_frozen_at = 0;
608 uschar *deliver_home = NULL;
609 const uschar *deliver_host = NULL;
610 const uschar *deliver_host_address = NULL;
611 int deliver_host_port = 0;
612 uschar *deliver_in_buffer = NULL;
613 ino_t deliver_inode = 0;
614 uschar *deliver_localpart = NULL;
615 uschar *deliver_localpart_data = NULL;
616 uschar *deliver_localpart_orig = NULL;
617 uschar *deliver_localpart_parent = NULL;
618 uschar *deliver_localpart_prefix = NULL;
619 uschar *deliver_localpart_suffix = NULL;
620 BOOL deliver_force_thaw = FALSE;
621 BOOL deliver_manual_thaw = FALSE;
622 uschar *deliver_out_buffer = NULL;
623 int deliver_queue_load_max = -1;
624 address_item *deliver_recipients = NULL;
625 uschar *deliver_selectstring = NULL;
626 BOOL deliver_selectstring_regex = FALSE;
627 uschar *deliver_selectstring_sender = NULL;
628 BOOL deliver_selectstring_sender_regex = FALSE;
629 BOOL disable_callout_flush = FALSE;
630 BOOL disable_delay_flush = FALSE;
631 #ifdef ENABLE_DISABLE_FSYNC
632 BOOL disable_fsync = FALSE;
633 #endif
634 BOOL disable_ipv6 = FALSE;
635 BOOL disable_logging = FALSE;
636
637 #ifndef DISABLE_DKIM
638 BOOL dkim_collect_input = FALSE;
639 uschar *dkim_cur_signer = NULL;
640 BOOL dkim_disable_verify = FALSE;
641 int dkim_key_length = 0;
642 uschar *dkim_signers = NULL;
643 uschar *dkim_signing_domain = NULL;
644 uschar *dkim_signing_selector = NULL;
645 uschar *dkim_verify_signers = US"$dkim_signers";
646 #endif
647 #ifdef EXPERIMENTAL_DMARC
648 BOOL dmarc_has_been_checked = FALSE;
649 uschar *dmarc_ar_header = NULL;
650 uschar *dmarc_domain_policy = NULL;
651 uschar *dmarc_forensic_sender = NULL;
652 uschar *dmarc_history_file = NULL;
653 uschar *dmarc_status = NULL;
654 uschar *dmarc_status_text = NULL;
655 uschar *dmarc_tld_file = NULL;
656 uschar *dmarc_used_domain = NULL;
657 BOOL dmarc_disable_verify = FALSE;
658 BOOL dmarc_enable_forensic = FALSE;
659 #endif
660
661 uschar *dns_again_means_nonexist = NULL;
662 int dns_csa_search_limit = 5;
663 BOOL dns_csa_use_reverse = TRUE;
664 #ifdef EXPERIMENTAL_DANE
665 int dns_dane_ok = -1;
666 #endif
667 uschar *dns_ipv4_lookup = NULL;
668 int dns_retrans = 0;
669 int dns_retry = 0;
670 int dns_dnssec_ok = -1; /* <0 = not coerced */
671 uschar *dns_trust_aa = NULL;
672 int dns_use_edns0 = -1; /* <0 = not coerced */
673 uschar *dnslist_domain = NULL;
674 uschar *dnslist_matched = NULL;
675 uschar *dnslist_text = NULL;
676 uschar *dnslist_value = NULL;
677 tree_node *domainlist_anchor = NULL;
678 int domainlist_count = 0;
679 BOOL dont_deliver = FALSE;
680 BOOL dot_ends = TRUE;
681 BOOL drop_cr = FALSE; /* No longer used */
682 uschar *dsn_from = US DEFAULT_DSN_FROM;
683
684 BOOL enable_dollar_recipients = FALSE;
685 BOOL envelope_to_remove = TRUE;
686 int errno_quota = ERRNO_QUOTA;
687 uschar *errors_copy = NULL;
688 int error_handling = ERRORS_SENDER;
689 uschar *errors_reply_to = NULL;
690 int errors_sender_rc = EXIT_FAILURE;
691 #ifndef DISABLE_EVENT
692 uschar *event_action = NULL; /* expansion for delivery events */
693 uschar *event_data = NULL; /* auxilary data variable for event */
694 int event_defer_errno = 0;
695 const uschar *event_name = NULL; /* event name variable */
696 #endif
697
698
699 gid_t exim_gid = EXIM_GID;
700 BOOL exim_gid_set = TRUE; /* This gid is always set */
701 uschar *exim_path = US BIN_DIRECTORY "/exim"
702 "\0<---------------Space to patch exim_path->";
703 uid_t exim_uid = EXIM_UID;
704 BOOL exim_uid_set = TRUE; /* This uid is always set */
705 int expand_forbid = 0;
706 int expand_nlength[EXPAND_MAXN+1];
707 int expand_nmax = -1;
708 uschar *expand_nstring[EXPAND_MAXN+1];
709 BOOL expand_string_forcedfail = FALSE;
710 uschar *expand_string_message;
711 BOOL extract_addresses_remove_arguments = TRUE;
712 uschar *extra_local_interfaces = NULL;
713
714 int fake_response = OK;
715 uschar *fake_response_text = US"Your message has been rejected but is "
716 "being kept for evaluation.\nIf it was a "
717 "legitimate message, it may still be "
718 "delivered to the target recipient(s).";
719 int filter_n[FILTER_VARIABLE_COUNT];
720 BOOL filter_running = FALSE;
721 int filter_sn[FILTER_VARIABLE_COUNT];
722 int filter_test = FTEST_NONE;
723 uschar *filter_test_sfile = NULL;
724 uschar *filter_test_ufile = NULL;
725 uschar *filter_thisaddress = NULL;
726 int finduser_retries = 0;
727 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
728 uschar *freeze_tell = NULL;
729 uschar *freeze_tell_config = NULL;
730 uschar *fudged_queue_times = US"";
731
732 uschar *gecos_name = NULL;
733 uschar *gecos_pattern = NULL;
734 rewrite_rule *global_rewrite_rules = NULL;
735
736 uschar *headers_charset = US HEADERS_CHARSET;
737 int header_insert_maxlen = 64 * 1024;
738 header_line *header_last = NULL;
739 header_line *header_list = NULL;
740 int header_maxsize = HEADER_MAXSIZE;
741 int header_line_maxsize = 0;
742
743 header_name header_names[] = {
744 { US"bcc", 3, TRUE, htype_bcc },
745 { US"cc", 2, TRUE, htype_cc },
746 { US"date", 4, TRUE, htype_date },
747 { US"delivery-date", 13, FALSE, htype_delivery_date },
748 { US"envelope-to", 11, FALSE, htype_envelope_to },
749 { US"from", 4, TRUE, htype_from },
750 { US"message-id", 10, TRUE, htype_id },
751 { US"received", 8, FALSE, htype_received },
752 { US"reply-to", 8, FALSE, htype_reply_to },
753 { US"return-path", 11, FALSE, htype_return_path },
754 { US"sender", 6, TRUE, htype_sender },
755 { US"subject", 7, FALSE, htype_subject },
756 { US"to", 2, TRUE, htype_to }
757 };
758
759 int header_names_size = sizeof(header_names)/sizeof(header_name);
760
761 BOOL header_rewritten = FALSE;
762 uschar *helo_accept_junk_hosts = NULL;
763 uschar *helo_allow_chars = US"";
764 uschar *helo_lookup_domains = US"@ : @[]";
765 uschar *helo_try_verify_hosts = NULL;
766 BOOL helo_verified = FALSE;
767 BOOL helo_verify_failed = FALSE;
768 uschar *helo_verify_hosts = NULL;
769 const uschar *hex_digits = CUS"0123456789abcdef";
770 uschar *hold_domains = NULL;
771 BOOL host_checking = FALSE;
772 BOOL host_checking_callout = FALSE;
773 uschar *host_data = NULL;
774 BOOL host_find_failed_syntax= FALSE;
775 uschar *host_lookup = NULL;
776 BOOL host_lookup_deferred = FALSE;
777 BOOL host_lookup_failed = FALSE;
778 uschar *host_lookup_order = US"bydns:byaddr";
779 uschar *host_lookup_msg = US"";
780 int host_number = 0;
781 uschar *host_number_string = NULL;
782 uschar *host_reject_connection = NULL;
783 tree_node *hostlist_anchor = NULL;
784 int hostlist_count = 0;
785 uschar *hosts_treat_as_local = NULL;
786 uschar *hosts_connection_nolog = NULL;
787
788 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
789 BOOL ignore_fromline_local = FALSE;
790 uschar *ignore_fromline_hosts = NULL;
791 BOOL inetd_wait_mode = FALSE;
792 int inetd_wait_timeout = -1;
793 uschar *initial_cwd = NULL;
794 uschar *interface_address = NULL;
795 int interface_port = -1;
796 BOOL is_inetd = FALSE;
797 uschar *iterate_item = NULL;
798
799 int journal_fd = -1;
800
801 uschar *keep_environment = NULL;
802
803 int keep_malformed = 4*24*60*60; /* 4 days */
804
805 uschar *eldap_dn = NULL;
806 int load_average = -2;
807 BOOL local_error_message = FALSE;
808 BOOL local_from_check = TRUE;
809 uschar *local_from_prefix = NULL;
810 uschar *local_from_suffix = NULL;
811
812 #if HAVE_IPV6
813 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
814 #else
815 uschar *local_interfaces = US"0.0.0.0";
816 #endif
817
818 uschar *local_scan_data = NULL;
819 int local_scan_timeout = 5*60;
820 BOOL local_sender_retain = FALSE;
821 gid_t local_user_gid = (gid_t)(-1);
822 uid_t local_user_uid = (uid_t)(-1);
823
824 tree_node *localpartlist_anchor= NULL;
825 int localpartlist_count = 0;
826 uschar *log_buffer = NULL;
827
828 int log_default[] = { /* for initializing log_selector */
829 Li_acl_warn_skipped,
830 Li_connection_reject,
831 Li_delay_delivery,
832 Li_dnslist_defer,
833 Li_etrn,
834 Li_host_lookup_failed,
835 Li_lost_incoming_connection,
836 Li_outgoing_interface, /* see d_log_interface in deliver.c */
837 Li_queue_run,
838 Li_rejected_header,
839 Li_retry_defer,
840 Li_sender_verify_fail,
841 Li_size_reject,
842 Li_skip_delivery,
843 Li_smtp_confirmation,
844 Li_tls_certificate_verified,
845 Li_tls_cipher,
846 -1
847 };
848
849 uschar *log_file_path = US LOG_FILE_PATH
850 "\0<--------------Space to patch log_file_path->";
851
852 int log_notall[] = {
853 -1
854 };
855 bit_table log_options[] = { /* must be in alphabetical order */
856 BIT_TABLE(L, 8bitmime),
857 BIT_TABLE(L, acl_warn_skipped),
858 BIT_TABLE(L, address_rewrite),
859 BIT_TABLE(L, all),
860 BIT_TABLE(L, all_parents),
861 BIT_TABLE(L, arguments),
862 BIT_TABLE(L, connection_reject),
863 BIT_TABLE(L, delay_delivery),
864 BIT_TABLE(L, deliver_time),
865 BIT_TABLE(L, delivery_size),
866 BIT_TABLE(L, dnslist_defer),
867 BIT_TABLE(L, dnssec),
868 BIT_TABLE(L, etrn),
869 BIT_TABLE(L, host_lookup_failed),
870 BIT_TABLE(L, ident_timeout),
871 BIT_TABLE(L, incoming_interface),
872 BIT_TABLE(L, incoming_port),
873 BIT_TABLE(L, lost_incoming_connection),
874 BIT_TABLE(L, outgoing_interface),
875 BIT_TABLE(L, outgoing_port),
876 BIT_TABLE(L, pid),
877 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
878 BIT_TABLE(L, proxy),
879 #endif
880 BIT_TABLE(L, queue_run),
881 BIT_TABLE(L, queue_time),
882 BIT_TABLE(L, queue_time_overall),
883 BIT_TABLE(L, received_recipients),
884 BIT_TABLE(L, received_sender),
885 BIT_TABLE(L, rejected_header),
886 { US"rejected_headers", Li_rejected_header },
887 BIT_TABLE(L, retry_defer),
888 BIT_TABLE(L, return_path_on_delivery),
889 BIT_TABLE(L, sender_on_delivery),
890 BIT_TABLE(L, sender_verify_fail),
891 BIT_TABLE(L, size_reject),
892 BIT_TABLE(L, skip_delivery),
893 BIT_TABLE(L, smtp_confirmation),
894 BIT_TABLE(L, smtp_connection),
895 BIT_TABLE(L, smtp_incomplete_transaction),
896 BIT_TABLE(L, smtp_mailauth),
897 BIT_TABLE(L, smtp_no_mail),
898 BIT_TABLE(L, smtp_protocol_error),
899 BIT_TABLE(L, smtp_syntax_error),
900 BIT_TABLE(L, subject),
901 BIT_TABLE(L, tls_certificate_verified),
902 BIT_TABLE(L, tls_cipher),
903 BIT_TABLE(L, tls_peerdn),
904 BIT_TABLE(L, tls_sni),
905 BIT_TABLE(L, unknown_in_list),
906 };
907 int log_options_count = nelem(log_options);
908
909 int log_reject_target = 0;
910 unsigned int log_selector[log_selector_size]; /* initialized in main() */
911 uschar *log_selector_string = NULL;
912 FILE *log_stderr = NULL;
913 BOOL log_testing_mode = FALSE;
914 BOOL log_timezone = FALSE;
915 uschar *login_sender_address = NULL;
916 uschar *lookup_dnssec_authenticated = NULL;
917 int lookup_open_max = 25;
918 uschar *lookup_value = NULL;
919
920 macro_item *macros = NULL;
921 uschar *mailstore_basename = NULL;
922 #ifdef WITH_CONTENT_SCAN
923 uschar *malware_name = NULL; /* Virus Name */
924 #endif
925 int max_received_linelength= 0;
926 int max_username_length = 0;
927 int message_age = 0;
928 uschar *message_body = NULL;
929 uschar *message_body_end = NULL;
930 BOOL message_body_newlines = FALSE;
931 int message_body_size = 0;
932 int message_body_visible = 500;
933 int message_ended = END_NOTSTARTED;
934 uschar *message_headers = NULL;
935 uschar *message_id;
936 uschar *message_id_domain = NULL;
937 uschar *message_id_text = NULL;
938 struct timeval message_id_tv = { 0, 0 };
939 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
940 uschar *message_id_external;
941 int message_linecount = 0;
942 BOOL message_logs = TRUE;
943 int message_size = 0;
944 uschar *message_size_limit = US"50M";
945 #ifdef SUPPORT_I18N
946 BOOL message_smtputf8 = FALSE;
947 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
948 #endif
949 uschar message_subdir[2] = { 0, 0 };
950 uschar *message_reference = NULL;
951
952 /* MIME ACL expandables */
953 #ifdef WITH_CONTENT_SCAN
954 int mime_anomaly_level = 0;
955 const uschar *mime_anomaly_text = NULL;
956 uschar *mime_boundary = NULL;
957 uschar *mime_charset = NULL;
958 uschar *mime_content_description = NULL;
959 uschar *mime_content_disposition = NULL;
960 uschar *mime_content_id = NULL;
961 unsigned int mime_content_size = 0;
962 uschar *mime_content_transfer_encoding = NULL;
963 uschar *mime_content_type = NULL;
964 uschar *mime_decoded_filename = NULL;
965 uschar *mime_filename = NULL;
966 int mime_is_multipart = 0;
967 int mime_is_coverletter = 0;
968 int mime_is_rfc822 = 0;
969 int mime_part_count = -1;
970 #endif
971
972 BOOL mua_wrapper = FALSE;
973
974 uid_t *never_users = NULL;
975 #ifdef WITH_CONTENT_SCAN
976 BOOL no_mbox_unspool = FALSE;
977 #endif
978 BOOL no_multiline_responses = FALSE;
979
980 uid_t original_euid;
981 gid_t originator_gid;
982 uschar *originator_login = NULL;
983 uschar *originator_name = NULL;
984 uid_t originator_uid;
985 uschar *override_local_interfaces = NULL;
986 uschar *override_pid_file_path = NULL;
987
988 BOOL parse_allow_group = FALSE;
989 BOOL parse_found_group = FALSE;
990 uschar *percent_hack_domains = NULL;
991 uschar *pid_file_path = US PID_FILE_PATH
992 "\0<--------------Space to patch pid_file_path->";
993 BOOL pipelining_enable = TRUE;
994 uschar *pipelining_advertise_hosts = US"*";
995 BOOL preserve_message_logs = FALSE;
996 uschar *primary_hostname = NULL;
997 BOOL print_topbitchars = FALSE;
998 uschar process_info[PROCESS_INFO_SIZE];
999 int process_info_len = 0;
1000 uschar *process_log_path = NULL;
1001 BOOL prod_requires_admin = TRUE;
1002
1003 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1004 uschar *hosts_proxy = US"";
1005 uschar *proxy_external_address = US"";
1006 int proxy_external_port = 0;
1007 uschar *proxy_local_address = US"";
1008 int proxy_local_port = 0;
1009 BOOL proxy_session = FALSE;
1010 BOOL proxy_session_failed = FALSE;
1011 #endif
1012
1013 uschar *prvscheck_address = NULL;
1014 uschar *prvscheck_keynum = NULL;
1015 uschar *prvscheck_result = NULL;
1016
1017
1018 const uschar *qualify_domain_recipient = NULL;
1019 uschar *qualify_domain_sender = NULL;
1020 BOOL queue_2stage = FALSE;
1021 uschar *queue_domains = NULL;
1022 int queue_interval = -1;
1023 BOOL queue_list_requires_admin = TRUE;
1024 BOOL queue_only = FALSE;
1025 uschar *queue_only_file = NULL;
1026 int queue_only_load = -1;
1027 BOOL queue_only_load_latch = TRUE;
1028 BOOL queue_only_override = TRUE;
1029 BOOL queue_only_policy = FALSE;
1030 BOOL queue_run_first_delivery = FALSE;
1031 BOOL queue_run_force = FALSE;
1032 BOOL queue_run_in_order = FALSE;
1033 BOOL queue_run_local = FALSE;
1034 int queue_run_max = 5;
1035 pid_t queue_run_pid = (pid_t)0;
1036 int queue_run_pipe = -1;
1037 BOOL queue_running = FALSE;
1038 BOOL queue_smtp = FALSE;
1039 uschar *queue_smtp_domains = NULL;
1040
1041 unsigned int random_seed = 0;
1042 tree_node *ratelimiters_cmd = NULL;
1043 tree_node *ratelimiters_conn = NULL;
1044 tree_node *ratelimiters_mail = NULL;
1045 uschar *raw_active_hostname = NULL;
1046 uschar *raw_sender = NULL;
1047 uschar **raw_recipients = NULL;
1048 int raw_recipients_count = 0;
1049
1050 int rcpt_count = 0;
1051 int rcpt_fail_count = 0;
1052 int rcpt_defer_count = 0;
1053 gid_t real_gid;
1054 uid_t real_uid;
1055 BOOL really_exim = TRUE;
1056 BOOL receive_call_bombout = FALSE;
1057 int receive_linecount = 0;
1058 int receive_messagecount = 0;
1059 int receive_timeout = 0;
1060 int received_count = 0;
1061 uschar *received_for = NULL;
1062
1063 /* This is the default text for Received headers generated by Exim. The
1064 date will be automatically added on the end. */
1065
1066 uschar *received_header_text = US
1067 "Received: "
1068 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1069 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1070 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1071 "by $primary_hostname "
1072 "${if def:received_protocol {with $received_protocol}} "
1073 #ifdef SUPPORT_TLS
1074 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1075 #endif
1076 "(Exim $version_number)\n\t"
1077 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1078 "id $message_exim_id"
1079 "${if def:received_for {\n\tfor $received_for}}"
1080 "\0<---------------Space to patch received_header_text->";
1081
1082 int received_headers_max = 30;
1083 uschar *received_protocol = NULL;
1084 int received_time = 0;
1085 uschar *recipient_data = NULL;
1086 uschar *recipient_unqualified_hosts = NULL;
1087 uschar *recipient_verify_failure = NULL;
1088 int recipients_count = 0;
1089 BOOL recipients_discarded = FALSE;
1090 recipient_item *recipients_list = NULL;
1091 int recipients_list_max = 0;
1092 int recipients_max = 0;
1093 BOOL recipients_max_reject = FALSE;
1094 const pcre *regex_AUTH = NULL;
1095 const pcre *regex_check_dns_names = NULL;
1096 const pcre *regex_From = NULL;
1097 const pcre *regex_IGNOREQUOTA = NULL;
1098 const pcre *regex_PIPELINING = NULL;
1099 const pcre *regex_SIZE = NULL;
1100 const pcre *regex_ismsgid = NULL;
1101 const pcre *regex_smtp_code = NULL;
1102 uschar *regex_vars[REGEX_VARS];
1103 #ifdef WHITELIST_D_MACROS
1104 const pcre *regex_whitelisted_macro = NULL;
1105 #endif
1106 #ifdef WITH_CONTENT_SCAN
1107 uschar *regex_match_string = NULL;
1108 #endif
1109 int remote_delivery_count = 0;
1110 int remote_max_parallel = 2;
1111 uschar *remote_sort_domains = NULL;
1112 int retry_data_expire = 7*24*60*60;
1113 int retry_interval_max = 24*60*60;
1114 int retry_maximum_timeout = 0; /* set from retry config */
1115 retry_config *retries = NULL;
1116 uschar *return_path = NULL;
1117 BOOL return_path_remove = TRUE;
1118 int rewrite_existflags = 0;
1119 uschar *rfc1413_hosts = US"@[]";
1120 int rfc1413_query_timeout = 0;
1121 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1122 uid_t root_gid = ROOT_GID;
1123 uid_t root_uid = ROOT_UID;
1124
1125 router_instance *routers = NULL;
1126 router_instance router_defaults = {
1127 NULL, /* chain pointer */
1128 NULL, /* name */
1129 NULL, /* info */
1130 NULL, /* private options block pointer */
1131 NULL, /* driver name */
1132
1133 NULL, /* address_data */
1134 #ifdef EXPERIMENTAL_BRIGHTMAIL
1135 NULL, /* bmi_rule */
1136 #endif
1137 NULL, /* cannot_route_message */
1138 NULL, /* condition */
1139 NULL, /* current_directory */
1140 NULL, /* debug_string */
1141 NULL, /* domains */
1142 NULL, /* errors_to */
1143 NULL, /* expand_gid */
1144 NULL, /* expand_uid */
1145 NULL, /* expand_more */
1146 NULL, /* expand_unseen */
1147 NULL, /* extra_headers */
1148 NULL, /* fallback_hosts */
1149 NULL, /* home_directory */
1150 NULL, /* ignore_target_hosts */
1151 NULL, /* local_parts */
1152 NULL, /* pass_router_name */
1153 NULL, /* prefix */
1154 NULL, /* redirect_router_name */
1155 NULL, /* remove_headers */
1156 NULL, /* require_files */
1157 NULL, /* router_home_directory */
1158 US"freeze", /* self */
1159 NULL, /* senders */
1160 NULL, /* suffix */
1161 NULL, /* translate_ip_address */
1162 NULL, /* transport_name */
1163
1164 TRUE, /* address_test */
1165 #ifdef EXPERIMENTAL_BRIGHTMAIL
1166 FALSE, /* bmi_deliver_alternate */
1167 FALSE, /* bmi_deliver_default */
1168 FALSE, /* bmi_dont_deliver */
1169 #endif
1170 TRUE, /* expn */
1171 FALSE, /* caseful_local_part */
1172 FALSE, /* check_local_user */
1173 FALSE, /* disable_logging */
1174 FALSE, /* fail_verify_recipient */
1175 FALSE, /* fail_verify_sender */
1176 FALSE, /* gid_set */
1177 FALSE, /* initgroups */
1178 TRUE_UNSET, /* log_as_local */
1179 TRUE, /* more */
1180 FALSE, /* pass_on_timeout */
1181 FALSE, /* prefix_optional */
1182 TRUE, /* repeat_use */
1183 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1184 FALSE, /* same_domain_copy_routing */
1185 FALSE, /* self_rewrite */
1186 FALSE, /* suffix_optional */
1187 FALSE, /* verify_only */
1188 TRUE, /* verify_recipient */
1189 TRUE, /* verify_sender */
1190 FALSE, /* uid_set */
1191 FALSE, /* unseen */
1192 FALSE, /* dsn_lasthop */
1193
1194 self_freeze, /* self_code */
1195 (uid_t)(-1), /* uid */
1196 (gid_t)(-1), /* gid */
1197
1198 NULL, /* fallback_hostlist */
1199 NULL, /* transport instance */
1200 NULL, /* pass_router */
1201 NULL, /* redirect_router */
1202
1203 { NULL, NULL }, /* dnssec_domains {require,request} */
1204 };
1205
1206 uschar *router_name = NULL;
1207
1208 ip_address_item *running_interfaces = NULL;
1209 BOOL running_in_test_harness = FALSE;
1210
1211 /* This is a weird one. The following string gets patched in the binary by the
1212 script that sets up a copy of Exim for running in the test harness. It seems
1213 that compilers are now clever, and share constant strings if they can.
1214 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1215 make use of the end of this string in order to save space. So the patching then
1216 wrecks this. We defeat this optimization by adding some additional characters
1217 onto the end of the string. */
1218
1219 uschar *running_status = US">>>running<<<" "\0EXTRA";
1220
1221 int runrc = 0;
1222
1223 uschar *search_error_message = NULL;
1224 BOOL search_find_defer = FALSE;
1225 uschar *self_hostname = NULL;
1226 uschar *sender_address = NULL;
1227 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1228 uschar *sender_address_data = NULL;
1229 BOOL sender_address_forced = FALSE;
1230 uschar *sender_address_unrewritten = NULL;
1231 uschar *sender_data = NULL;
1232 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1233 uschar *sender_fullhost = NULL;
1234 BOOL sender_helo_dnssec = FALSE;
1235 uschar *sender_helo_name = NULL;
1236 uschar **sender_host_aliases = &no_aliases;
1237 uschar *sender_host_address = NULL;
1238 uschar *sender_host_authenticated = NULL;
1239 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1240 BOOL sender_host_dnssec = FALSE;
1241 uschar *sender_host_name = NULL;
1242 int sender_host_port = 0;
1243 BOOL sender_host_notsocket = FALSE;
1244 BOOL sender_host_unknown = FALSE;
1245 uschar *sender_ident = NULL;
1246 BOOL sender_local = FALSE;
1247 BOOL sender_name_forced = FALSE;
1248 uschar *sender_rate = NULL;
1249 uschar *sender_rate_limit = NULL;
1250 uschar *sender_rate_period = NULL;
1251 uschar *sender_rcvhost = NULL;
1252 BOOL sender_set_untrusted = FALSE;
1253 uschar *sender_unqualified_hosts = NULL;
1254 uschar *sender_verify_failure = NULL;
1255 address_item *sender_verified_list = NULL;
1256 address_item *sender_verified_failed = NULL;
1257 int sender_verified_rc = -1;
1258 BOOL sender_verified_responded = FALSE;
1259 uschar *sending_ip_address = NULL;
1260 int sending_port = -1;
1261 SIGNAL_BOOL sigalrm_seen = FALSE;
1262 uschar **sighup_argv = NULL;
1263 int slow_lookup_log = 0; /* millisecs, zero disables */
1264 int smtp_accept_count = 0;
1265 BOOL smtp_accept_keepalive = TRUE;
1266 int smtp_accept_max = 20;
1267 int smtp_accept_max_nonmail= 10;
1268 uschar *smtp_accept_max_nonmail_hosts = US"*";
1269 int smtp_accept_max_per_connection = 1000;
1270 uschar *smtp_accept_max_per_host = NULL;
1271 int smtp_accept_queue = 0;
1272 int smtp_accept_queue_per_connection = 10;
1273 int smtp_accept_reserve = 0;
1274 uschar *smtp_active_hostname = NULL;
1275 BOOL smtp_authenticated = FALSE;
1276 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1277 "Exim $version_number $tod_full"
1278 "\0<---------------Space to patch smtp_banner->";
1279 BOOL smtp_batched_input = FALSE;
1280 BOOL smtp_check_spool_space = TRUE;
1281 int smtp_ch_index = 0;
1282 uschar *smtp_cmd_argument = NULL;
1283 uschar *smtp_cmd_buffer = NULL;
1284 time_t smtp_connection_start = 0;
1285 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1286 int smtp_connect_backlog = 20;
1287 double smtp_delay_mail = 0.0;
1288 double smtp_delay_rcpt = 0.0;
1289 BOOL smtp_enforce_sync = TRUE;
1290 FILE *smtp_in = NULL;
1291 BOOL smtp_input = FALSE;
1292 int smtp_load_reserve = -1;
1293 int smtp_mailcmd_count = 0;
1294 FILE *smtp_out = NULL;
1295 uschar *smtp_etrn_command = NULL;
1296 BOOL smtp_etrn_serialize = TRUE;
1297 int smtp_max_synprot_errors= 3;
1298 int smtp_max_unknown_commands = 3;
1299 uschar *smtp_notquit_reason = NULL;
1300 uschar *smtp_ratelimit_hosts = NULL;
1301 uschar *smtp_ratelimit_mail = NULL;
1302 uschar *smtp_ratelimit_rcpt = NULL;
1303 uschar *smtp_read_error = US"";
1304 int smtp_receive_timeout = 5*60;
1305 uschar *smtp_receive_timeout_s = NULL;
1306 uschar *smtp_reserve_hosts = NULL;
1307 BOOL smtp_return_error_details = FALSE;
1308 int smtp_rlm_base = 0;
1309 double smtp_rlm_factor = 0.0;
1310 int smtp_rlm_limit = 0;
1311 int smtp_rlm_threshold = INT_MAX;
1312 int smtp_rlr_base = 0;
1313 double smtp_rlr_factor = 0.0;
1314 int smtp_rlr_limit = 0;
1315 int smtp_rlr_threshold = INT_MAX;
1316 BOOL smtp_use_pipelining = FALSE;
1317 BOOL smtp_use_size = FALSE;
1318 #ifdef SUPPORT_I18N
1319 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1320 #endif
1321
1322 #ifdef WITH_CONTENT_SCAN
1323 uschar *spamd_address = US"127.0.0.1 783";
1324 uschar *spam_bar = NULL;
1325 uschar *spam_report = NULL;
1326 uschar *spam_action = NULL;
1327 uschar *spam_score = NULL;
1328 uschar *spam_score_int = NULL;
1329 #endif
1330 #ifdef EXPERIMENTAL_SPF
1331 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1332 uschar *spf_header_comment = NULL;
1333 uschar *spf_received = NULL;
1334 uschar *spf_result = NULL;
1335 uschar *spf_smtp_comment = NULL;
1336 #endif
1337
1338 BOOL split_spool_directory = FALSE;
1339 uschar *spool_directory = US SPOOL_DIRECTORY
1340 "\0<--------------Space to patch spool_directory->";
1341 #ifdef EXPERIMENTAL_SRS
1342 uschar *srs_config = NULL;
1343 uschar *srs_db_address = NULL;
1344 uschar *srs_db_key = NULL;
1345 int srs_hashlength = 6;
1346 int srs_hashmin = -1;
1347 int srs_maxage = 31;
1348 uschar *srs_orig_recipient = NULL;
1349 uschar *srs_orig_sender = NULL;
1350 uschar *srs_recipient = NULL;
1351 uschar *srs_secrets = NULL;
1352 uschar *srs_status = NULL;
1353 BOOL srs_usehash = TRUE;
1354 BOOL srs_usetimestamp = TRUE;
1355 #endif
1356 BOOL strict_acl_vars = FALSE;
1357 int string_datestamp_offset= -1;
1358 int string_datestamp_length= 0;
1359 int string_datestamp_type = -1;
1360 BOOL strip_excess_angle_brackets = FALSE;
1361 BOOL strip_trailing_dot = FALSE;
1362 uschar *submission_domain = NULL;
1363 BOOL submission_mode = FALSE;
1364 uschar *submission_name = NULL;
1365 BOOL suppress_local_fixups = FALSE;
1366 BOOL suppress_local_fixups_default = FALSE;
1367 BOOL synchronous_delivery = FALSE;
1368 BOOL syslog_duplication = TRUE;
1369 int syslog_facility = LOG_MAIL;
1370 uschar *syslog_processname = US"exim";
1371 BOOL syslog_timestamp = TRUE;
1372 uschar *system_filter = NULL;
1373
1374 uschar *system_filter_directory_transport = NULL;
1375 uschar *system_filter_file_transport = NULL;
1376 uschar *system_filter_pipe_transport = NULL;
1377 uschar *system_filter_reply_transport = NULL;
1378
1379 gid_t system_filter_gid = 0;
1380 BOOL system_filter_gid_set = FALSE;
1381 uid_t system_filter_uid = (uid_t)-1;
1382 BOOL system_filter_uid_set = FALSE;
1383 BOOL system_filtering = FALSE;
1384
1385 BOOL tcp_nodelay = TRUE;
1386 #ifdef USE_TCP_WRAPPERS
1387 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1388 #endif
1389 int test_harness_load_avg = 0;
1390 int thismessage_size_limit = 0;
1391 int timeout_frozen_after = 0;
1392 BOOL timestamps_utc = FALSE;
1393
1394 transport_instance *transports = NULL;
1395
1396 transport_instance transport_defaults = {
1397 NULL, /* chain pointer */
1398 NULL, /* name */
1399 NULL, /* info */
1400 NULL, /* private options block pointer */
1401 NULL, /* driver name */
1402 NULL, /* setup entry point */
1403 1, /* batch_max */
1404 NULL, /* batch_id */
1405 NULL, /* home_dir */
1406 NULL, /* current_dir */
1407 NULL, /* expand-multi-domain */
1408 TRUE, /* multi-domain */
1409 FALSE, /* overrides_hosts */
1410 100, /* max_addresses */
1411 500, /* connection_max_messages */
1412 FALSE, /* deliver_as_creator */
1413 FALSE, /* disable_logging */
1414 FALSE, /* initgroups */
1415 FALSE, /* uid_set */
1416 FALSE, /* gid_set */
1417 (uid_t)(-1), /* uid */
1418 (gid_t)(-1), /* gid */
1419 NULL, /* expand_uid */
1420 NULL, /* expand_gid */
1421 NULL, /* warn_message */
1422 NULL, /* shadow */
1423 NULL, /* shadow_condition */
1424 NULL, /* filter_command */
1425 NULL, /* add_headers */
1426 NULL, /* remove_headers */
1427 NULL, /* return_path */
1428 NULL, /* debug_string */
1429 NULL, /* max_parallel */
1430 NULL, /* message_size_limit */
1431 NULL, /* headers_rewrite */
1432 NULL, /* rewrite_rules */
1433 0, /* rewrite_existflags */
1434 300, /* filter_timeout */
1435 FALSE, /* body_only */
1436 FALSE, /* delivery_date_add */
1437 FALSE, /* envelope_to_add */
1438 FALSE, /* headers_only */
1439 FALSE, /* rcpt_include_affixes */
1440 FALSE, /* return_path_add */
1441 FALSE, /* return_output */
1442 FALSE, /* return_fail_output */
1443 FALSE, /* log_output */
1444 FALSE, /* log_fail_output */
1445 FALSE, /* log_defer_output */
1446 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1447 1 nor 0 so can detect unset */
1448 #ifndef DISABLE_EVENT
1449 ,NULL /* event_action */
1450 #endif
1451 };
1452
1453 int transport_count;
1454 uschar *transport_name = NULL;
1455 int transport_newlines;
1456 const uschar **transport_filter_argv = NULL;
1457 int transport_filter_timeout;
1458 BOOL transport_filter_timed_out = FALSE;
1459 int transport_write_timeout= 0;
1460
1461 tree_node *tree_dns_fails = NULL;
1462 tree_node *tree_duplicates = NULL;
1463 tree_node *tree_nonrecipients = NULL;
1464 tree_node *tree_unusable = NULL;
1465
1466 BOOL trusted_caller = FALSE;
1467 BOOL trusted_config = TRUE;
1468 gid_t *trusted_groups = NULL;
1469 uid_t *trusted_users = NULL;
1470 uschar *timezone_string = US TIMEZONE_DEFAULT;
1471
1472 uschar *unknown_login = NULL;
1473 uschar *unknown_username = NULL;
1474 uschar *untrusted_set_sender = NULL;
1475
1476 /* A regex for matching a "From_" line in an incoming message, in the form
1477
1478 From ph10 Fri Jan 5 12:35 GMT 1996
1479
1480 which the "mail" commands send to the MTA (undocumented, of course), or in
1481 the form
1482
1483 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1484
1485 which is apparently used by some UUCPs, despite it not being in RFC 976.
1486 Because of variations in time formats, just match up to the minutes. That
1487 should be sufficient. Examples have been seen of time fields like 12:1:03,
1488 so just require one digit for hours and minutes. The weekday is also absent
1489 in some forms. */
1490
1491 uschar *uucp_from_pattern = US
1492 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1493 "(?:" /* Non-extracting bracket */
1494 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1495 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1496 ")" /* End alternation */
1497 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1498
1499 uschar *uucp_from_sender = US"$1";
1500
1501 uschar *verify_mode = NULL;
1502 uschar *version_copyright =
1503 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1504 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1505 uschar *version_date = US"?";
1506 uschar *version_cnumber = US"????";
1507 uschar *version_string = US"?";
1508
1509 uschar *warn_message_file = NULL;
1510 int warning_count = 0;
1511 uschar *warnmsg_delay = NULL;
1512 uschar *warnmsg_recipients = NULL;
1513 BOOL write_rejectlog = TRUE;
1514
1515
1516 /* End of globals.c */
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