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5dd0b13fbc0008c2107ee8144007fabb7059e1f1
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2015 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36 };
37
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef EXPERIMENTAL_REDIS
87 uschar *redis_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 #ifdef EXPERIMENTAL_DANE
107 FALSE,/* dane_verified */
108 0, /* tlsa_usage */
109 #endif
110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
113 NULL, /* tls_ourcert */
114 NULL, /* tls_peercert */
115 NULL, /* tls_peerdn */
116 NULL, /* tls_sni */
117 0 /* tls_ocsp */
118 };
119 tls_support tls_out = {
120 -1, /* tls_active */
121 0, /* tls_bits */
122 FALSE,/* tls_certificate_verified */
123 #ifdef EXPERIMENTAL_DANE
124 FALSE,/* dane_verified */
125 0, /* tlsa_usage */
126 #endif
127 NULL, /* tls_cipher */
128 FALSE,/* tls_on_connect */
129 NULL, /* tls_on_connect_ports */
130 NULL, /* tls_ourcert */
131 NULL, /* tls_peercert */
132 NULL, /* tls_peerdn */
133 NULL, /* tls_sni */
134 0 /* tls_ocsp */
135 };
136
137 uschar *dsn_envid = NULL;
138 int dsn_ret = 0;
139 const pcre *regex_DSN = NULL;
140 BOOL smtp_use_dsn = FALSE;
141 uschar *dsn_advertise_hosts = NULL;
142
143 #ifdef SUPPORT_TLS
144 BOOL gnutls_compat_mode = FALSE;
145 BOOL gnutls_allow_auto_pkcs11 = FALSE;
146 uschar *gnutls_require_mac = NULL;
147 uschar *gnutls_require_kx = NULL;
148 uschar *gnutls_require_proto = NULL;
149 uschar *openssl_options = NULL;
150 const pcre *regex_STARTTLS = NULL;
151 uschar *tls_advertise_hosts = US"*";
152 uschar *tls_certificate = NULL;
153 uschar *tls_crl = NULL;
154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
155 that's the interop problem which has been observed: GnuTLS suggesting a higher
156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
157 int tls_dh_max_bits = 2236;
158 uschar *tls_dhparam = NULL;
159 uschar *tls_eccurve = US"prime256v1";
160 # ifndef DISABLE_OCSP
161 uschar *tls_ocsp_file = NULL;
162 # endif
163 BOOL tls_offered = FALSE;
164 uschar *tls_privatekey = NULL;
165 BOOL tls_remember_esmtp = FALSE;
166 uschar *tls_require_ciphers = NULL;
167 uschar *tls_try_verify_hosts = NULL;
168 uschar *tls_verify_certificates= US"system";
169 uschar *tls_verify_hosts = NULL;
170 #else /*!SUPPORT_TLS*/
171 uschar *tls_advertise_hosts = NULL;
172 #endif
173
174 #ifndef DISABLE_PRDR
175 /* Per Recipient Data Response variables */
176 BOOL prdr_enable = FALSE;
177 BOOL prdr_requested = FALSE;
178 const pcre *regex_PRDR = NULL;
179 #endif
180
181 #ifdef EXPERIMENTAL_INTERNATIONAL
182 const pcre *regex_UTF8 = NULL;
183 #endif
184
185 /* Input-reading functions for messages, so we can use special ones for
186 incoming TCP/IP. The defaults use stdin. We never need these for any
187 stand-alone tests. */
188
189 #ifndef STAND_ALONE
190 int (*receive_getc)(void) = stdin_getc;
191 int (*receive_ungetc)(int) = stdin_ungetc;
192 int (*receive_feof)(void) = stdin_feof;
193 int (*receive_ferror)(void) = stdin_ferror;
194 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
195 #endif
196
197
198 /* List of per-address expansion variables for clearing and saving/restoring
199 when verifying one address while routing/verifying another. We have to have
200 the size explicit, because it is referenced from more than one module. */
201
202 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
203 CUSS &deliver_address_data,
204 CUSS &deliver_domain,
205 CUSS &deliver_domain_data,
206 CUSS &deliver_domain_orig,
207 CUSS &deliver_domain_parent,
208 CUSS &deliver_localpart,
209 CUSS &deliver_localpart_data,
210 CUSS &deliver_localpart_orig,
211 CUSS &deliver_localpart_parent,
212 CUSS &deliver_localpart_prefix,
213 CUSS &deliver_localpart_suffix,
214 CUSS (uschar **)(&deliver_recipients),
215 CUSS &deliver_host,
216 CUSS &deliver_home,
217 CUSS &address_file,
218 CUSS &address_pipe,
219 CUSS &self_hostname,
220 NULL };
221
222 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
223
224 /* General global variables */
225
226 header_line *acl_added_headers = NULL;
227 tree_node *acl_anchor = NULL;
228 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
229 NULL, NULL, NULL, NULL};
230 int acl_narg = 0;
231
232 uschar *acl_not_smtp = NULL;
233 #ifdef WITH_CONTENT_SCAN
234 uschar *acl_not_smtp_mime = NULL;
235 #endif
236 uschar *acl_not_smtp_start = NULL;
237 uschar *acl_removed_headers = NULL;
238 uschar *acl_smtp_auth = NULL;
239 uschar *acl_smtp_connect = NULL;
240 uschar *acl_smtp_data = NULL;
241 #ifndef DISABLE_PRDR
242 uschar *acl_smtp_data_prdr = US"accept";
243 #endif
244 #ifndef DISABLE_DKIM
245 uschar *acl_smtp_dkim = NULL;
246 #endif
247 uschar *acl_smtp_etrn = NULL;
248 uschar *acl_smtp_expn = NULL;
249 uschar *acl_smtp_helo = NULL;
250 uschar *acl_smtp_mail = NULL;
251 uschar *acl_smtp_mailauth = NULL;
252 #ifdef WITH_CONTENT_SCAN
253 uschar *acl_smtp_mime = NULL;
254 #endif
255 uschar *acl_smtp_notquit = NULL;
256 uschar *acl_smtp_predata = NULL;
257 uschar *acl_smtp_quit = NULL;
258 uschar *acl_smtp_rcpt = NULL;
259 uschar *acl_smtp_starttls = NULL;
260 uschar *acl_smtp_vrfy = NULL;
261
262 BOOL acl_temp_details = FALSE;
263 tree_node *acl_var_c = NULL;
264 tree_node *acl_var_m = NULL;
265 uschar *acl_verify_message = NULL;
266 string_item *acl_warn_logged = NULL;
267
268 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
269 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
270
271 uschar *acl_wherenames[] = { US"RCPT",
272 US"MAIL",
273 US"PREDATA",
274 US"MIME",
275 US"DKIM",
276 US"DATA",
277 #ifndef DISABLE_PRDR
278 US"PRDR",
279 #endif
280 US"non-SMTP",
281 US"AUTH",
282 US"connection",
283 US"ETRN",
284 US"EXPN",
285 US"EHLO or HELO",
286 US"MAILAUTH",
287 US"non-SMTP-start",
288 US"NOTQUIT",
289 US"QUIT",
290 US"STARTTLS",
291 US"VRFY",
292 US"delivery",
293 US"unknown"
294 };
295
296 uschar *acl_wherecodes[] = { US"550", /* RCPT */
297 US"550", /* MAIL */
298 US"550", /* PREDATA */
299 US"550", /* MIME */
300 US"550", /* DKIM */
301 US"550", /* DATA */
302 #ifndef DISABLE_PRDR
303 US"550", /* RCPT PRDR */
304 #endif
305 US"0", /* not SMTP; not relevant */
306 US"503", /* AUTH */
307 US"550", /* connect */
308 US"458", /* ETRN */
309 US"550", /* EXPN */
310 US"550", /* HELO/EHLO */
311 US"0", /* MAILAUTH; not relevant */
312 US"0", /* not SMTP; not relevant */
313 US"0", /* NOTQUIT; not relevant */
314 US"0", /* QUIT; not relevant */
315 US"550", /* STARTTLS */
316 US"252", /* VRFY */
317 US"0", /* delivery; not relevant */
318 US"0" /* unknown; not relevant */
319 };
320
321 BOOL active_local_from_check = FALSE;
322 BOOL active_local_sender_retain = FALSE;
323 int body_8bitmime = 0;
324 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
325 address_item *addr_duplicate = NULL;
326
327 address_item address_defaults = {
328 NULL, /* next */
329 NULL, /* parent */
330 NULL, /* first */
331 NULL, /* dupof */
332 NULL, /* start_router */
333 NULL, /* router */
334 NULL, /* transport */
335 NULL, /* host_list */
336 NULL, /* host_used */
337 NULL, /* fallback_hosts */
338 NULL, /* reply */
339 NULL, /* retries */
340 NULL, /* address */
341 NULL, /* unique */
342 NULL, /* cc_local_part */
343 NULL, /* lc_local_part */
344 NULL, /* local_part */
345 NULL, /* prefix */
346 NULL, /* suffix */
347 NULL, /* domain */
348 NULL, /* address_retry_key */
349 NULL, /* domain_retry_key */
350 NULL, /* current_dir */
351 NULL, /* home_dir */
352 NULL, /* message */
353 NULL, /* user_message */
354 NULL, /* onetime_parent */
355 NULL, /* pipe_expandn */
356 NULL, /* return_filename */
357 NULL, /* self_hostname */
358 NULL, /* shadow_message */
359 #ifdef SUPPORT_TLS
360 NULL, /* cipher */
361 NULL, /* ourcert */
362 NULL, /* peercert */
363 NULL, /* peerdn */
364 OCSP_NOT_REQ, /* ocsp */
365 #endif
366 #ifdef EXPERIMENTAL_DSN_INFO
367 NULL, /* smtp_greeting */
368 NULL, /* helo_response */
369 #endif
370 NULL, /* authenticator */
371 NULL, /* auth_id */
372 NULL, /* auth_sndr */
373 NULL, /* dsn_orcpt */
374 0, /* dsn_flags */
375 0, /* dsn_aware */
376 (uid_t)(-1), /* uid */
377 (gid_t)(-1), /* gid */
378 0, /* flags */
379 { 0 }, /* domain_cache - any larger array should be zeroed */
380 { 0 }, /* localpart_cache - ditto */
381 -1, /* mode */
382 0, /* more_errno */
383 ERRNO_UNKNOWNERROR, /* basic_errno */
384 0, /* child_count */
385 -1, /* return_file */
386 SPECIAL_NONE, /* special_action */
387 DEFER, /* transport_return */
388 { /* fields that are propagated to children */
389 NULL, /* address_data */
390 NULL, /* domain_data */
391 NULL, /* localpart_data */
392 NULL, /* errors_address */
393 NULL, /* extra_headers */
394 NULL, /* remove_headers */
395 #ifdef EXPERIMENTAL_SRS
396 NULL, /* srs_sender */
397 #endif
398 #ifdef EXPERIMENTAL_INTERNATIONAL
399 FALSE, /* utf8 */
400 #endif
401 }
402 };
403
404 uschar *address_file = NULL;
405 uschar *address_pipe = NULL;
406 BOOL address_test_mode = FALSE;
407 tree_node *addresslist_anchor = NULL;
408 int addresslist_count = 0;
409 gid_t *admin_groups = NULL;
410 BOOL admin_user = FALSE;
411 BOOL allow_auth_unadvertised= FALSE;
412 BOOL allow_domain_literals = FALSE;
413 BOOL allow_mx_to_ip = FALSE;
414 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
415 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
416 BOOL allow_utf8_domains = FALSE;
417 uschar *authenticated_fail_id = NULL;
418 uschar *authenticated_id = NULL;
419 uschar *authenticated_sender = NULL;
420 BOOL authentication_failed = FALSE;
421 auth_instance *auths = NULL;
422 uschar *auth_advertise_hosts = US"*";
423 auth_instance auth_defaults = {
424 NULL, /* chain pointer */
425 NULL, /* name */
426 NULL, /* info */
427 NULL, /* private options block pointer */
428 NULL, /* driver_name */
429 NULL, /* advertise_condition */
430 NULL, /* client_condition */
431 NULL, /* public_name */
432 NULL, /* set_id */
433 NULL, /* set_client_id */
434 NULL, /* server_mail_auth_condition */
435 NULL, /* server_debug_string */
436 NULL, /* server_condition */
437 FALSE, /* client */
438 FALSE, /* server */
439 FALSE /* advertised */
440 };
441
442 uschar *auth_defer_msg = US"reason not recorded";
443 uschar *auth_defer_user_msg = US"";
444 uschar *auth_vars[AUTH_VARS];
445 int auto_thaw = 0;
446 #ifdef WITH_CONTENT_SCAN
447 BOOL av_failed = FALSE;
448 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
449 #endif
450
451 BOOL background_daemon = TRUE;
452
453 #if BASE_62 == 62
454 uschar *base62_chars=
455 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
456 #else
457 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
458 #endif
459
460 uschar *bi_command = NULL;
461 uschar *big_buffer = NULL;
462 int big_buffer_size = BIG_BUFFER_SIZE;
463 #ifdef EXPERIMENTAL_BRIGHTMAIL
464 uschar *bmi_alt_location = NULL;
465 uschar *bmi_base64_tracker_verdict = NULL;
466 uschar *bmi_base64_verdict = NULL;
467 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
468 int bmi_deliver = 1;
469 int bmi_run = 0;
470 uschar *bmi_verdicts = NULL;
471 #endif
472 int body_linecount = 0;
473 int body_zerocount = 0;
474 uschar *bounce_message_file = NULL;
475 uschar *bounce_message_text = NULL;
476 uschar *bounce_recipient = NULL;
477 BOOL bounce_return_body = TRUE;
478 BOOL bounce_return_message = TRUE;
479 int bounce_return_size_limit = 100*1024;
480 uschar *bounce_sender_authentication = NULL;
481 int bsmtp_transaction_linecount = 0;
482
483 uschar *callout_address = NULL;
484 int callout_cache_domain_positive_expire = 7*24*60*60;
485 int callout_cache_domain_negative_expire = 3*60*60;
486 int callout_cache_positive_expire = 24*60*60;
487 int callout_cache_negative_expire = 2*60*60;
488 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
489 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
490 int check_log_inodes = 0;
491 int check_log_space = 0;
492 BOOL check_rfc2047_length = TRUE;
493 int check_spool_inodes = 0;
494 int check_spool_space = 0;
495 uschar *client_authenticator = NULL;
496 uschar *client_authenticated_id = NULL;
497 uschar *client_authenticated_sender = NULL;
498 int clmacro_count = 0;
499 uschar *clmacros[MAX_CLMACROS];
500 BOOL config_changed = FALSE;
501 FILE *config_file = NULL;
502 uschar *config_filename = NULL;
503 int config_lineno = 0;
504 #ifdef CONFIGURE_GROUP
505 gid_t config_gid = CONFIGURE_GROUP;
506 #endif
507 uschar *config_main_filelist = US CONFIGURE_FILE
508 "\0<-----------Space to patch configure_filename->";
509 uschar *config_main_filename = NULL;
510 uschar *config_main_directory = NULL;
511
512 #ifdef CONFIGURE_OWNER
513 uid_t config_uid = CONFIGURE_OWNER;
514 #endif
515
516 int connection_max_messages= -1;
517 uschar *continue_hostname = NULL;
518 uschar *continue_host_address = NULL;
519 BOOL continue_more = FALSE;
520 int continue_sequence = 1;
521 uschar *continue_transport = NULL;
522
523 uschar *csa_status = NULL;
524 cut_t cutthrough = {
525 FALSE, /* delivery: when to attempt */
526 -1, /* fd: open connection */
527 0, /* nrcpt: number of addresses */
528 };
529
530 BOOL daemon_listen = FALSE;
531 uschar *daemon_smtp_port = US"smtp";
532 int daemon_startup_retries = 9;
533 int daemon_startup_sleep = 30;
534
535 #ifdef EXPERIMENTAL_DCC
536 BOOL dcc_direct_add_header = FALSE;
537 uschar *dcc_header = NULL;
538 uschar *dcc_result = NULL;
539 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
540 uschar *dccifd_options = US"header";
541 #endif
542
543 BOOL debug_daemon = FALSE;
544 int debug_fd = -1;
545 FILE *debug_file = NULL;
546 int debug_notall[] = {
547 Di_memory,
548 -1
549 };
550 bit_table debug_options[] = { /* must be in alphabetical order */
551 BIT_TABLE(D, acl),
552 BIT_TABLE(D, all),
553 BIT_TABLE(D, auth),
554 BIT_TABLE(D, deliver),
555 BIT_TABLE(D, dns),
556 BIT_TABLE(D, dnsbl),
557 BIT_TABLE(D, exec),
558 BIT_TABLE(D, expand),
559 BIT_TABLE(D, filter),
560 BIT_TABLE(D, hints_lookup),
561 BIT_TABLE(D, host_lookup),
562 BIT_TABLE(D, ident),
563 BIT_TABLE(D, interface),
564 BIT_TABLE(D, lists),
565 BIT_TABLE(D, load),
566 BIT_TABLE(D, local_scan),
567 BIT_TABLE(D, lookup),
568 BIT_TABLE(D, memory),
569 BIT_TABLE(D, pid),
570 BIT_TABLE(D, process_info),
571 BIT_TABLE(D, queue_run),
572 BIT_TABLE(D, receive),
573 BIT_TABLE(D, resolver),
574 BIT_TABLE(D, retry),
575 BIT_TABLE(D, rewrite),
576 BIT_TABLE(D, route),
577 BIT_TABLE(D, timestamp),
578 BIT_TABLE(D, tls),
579 BIT_TABLE(D, transport),
580 BIT_TABLE(D, uid),
581 BIT_TABLE(D, verify),
582 };
583 int debug_options_count = nelem(debug_options);
584
585 unsigned int debug_selector = 0;
586 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
587 uschar *delay_warning_condition=
588 US"${if or {"
589 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
590 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
591 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
592 "} {no}{yes}}";
593 BOOL delivery_date_remove = TRUE;
594 uschar *deliver_address_data = NULL;
595 int deliver_datafile = -1;
596 const uschar *deliver_domain = NULL;
597 uschar *deliver_domain_data = NULL;
598 const uschar *deliver_domain_orig = NULL;
599 const uschar *deliver_domain_parent = NULL;
600 BOOL deliver_drop_privilege = FALSE;
601 BOOL deliver_firsttime = FALSE;
602 BOOL deliver_force = FALSE;
603 BOOL deliver_freeze = FALSE;
604 time_t deliver_frozen_at = 0;
605 uschar *deliver_home = NULL;
606 const uschar *deliver_host = NULL;
607 const uschar *deliver_host_address = NULL;
608 int deliver_host_port = 0;
609 uschar *deliver_in_buffer = NULL;
610 ino_t deliver_inode = 0;
611 uschar *deliver_localpart = NULL;
612 uschar *deliver_localpart_data = NULL;
613 uschar *deliver_localpart_orig = NULL;
614 uschar *deliver_localpart_parent = NULL;
615 uschar *deliver_localpart_prefix = NULL;
616 uschar *deliver_localpart_suffix = NULL;
617 BOOL deliver_force_thaw = FALSE;
618 BOOL deliver_manual_thaw = FALSE;
619 uschar *deliver_out_buffer = NULL;
620 int deliver_queue_load_max = -1;
621 address_item *deliver_recipients = NULL;
622 uschar *deliver_selectstring = NULL;
623 BOOL deliver_selectstring_regex = FALSE;
624 uschar *deliver_selectstring_sender = NULL;
625 BOOL deliver_selectstring_sender_regex = FALSE;
626 #ifdef WITH_OLD_DEMIME
627 int demime_errorlevel = 0;
628 int demime_ok = 0;
629 uschar *demime_reason = NULL;
630 #endif
631 BOOL disable_callout_flush = FALSE;
632 BOOL disable_delay_flush = FALSE;
633 #ifdef ENABLE_DISABLE_FSYNC
634 BOOL disable_fsync = FALSE;
635 #endif
636 BOOL disable_ipv6 = FALSE;
637 BOOL disable_logging = FALSE;
638
639 #ifndef DISABLE_DKIM
640 uschar *dkim_cur_signer = NULL;
641 uschar *dkim_signers = NULL;
642 uschar *dkim_signing_domain = NULL;
643 uschar *dkim_signing_selector = NULL;
644 uschar *dkim_verify_signers = US"$dkim_signers";
645 BOOL dkim_collect_input = FALSE;
646 BOOL dkim_disable_verify = FALSE;
647 #endif
648 #ifdef EXPERIMENTAL_DMARC
649 BOOL dmarc_has_been_checked = FALSE;
650 uschar *dmarc_ar_header = NULL;
651 uschar *dmarc_domain_policy = NULL;
652 uschar *dmarc_forensic_sender = NULL;
653 uschar *dmarc_history_file = NULL;
654 uschar *dmarc_status = NULL;
655 uschar *dmarc_status_text = NULL;
656 uschar *dmarc_tld_file = NULL;
657 uschar *dmarc_used_domain = NULL;
658 BOOL dmarc_disable_verify = FALSE;
659 BOOL dmarc_enable_forensic = FALSE;
660 #endif
661
662 uschar *dns_again_means_nonexist = NULL;
663 int dns_csa_search_limit = 5;
664 BOOL dns_csa_use_reverse = TRUE;
665 #ifdef EXPERIMENTAL_DANE
666 int dns_dane_ok = -1;
667 #endif
668 uschar *dns_ipv4_lookup = NULL;
669 int dns_retrans = 0;
670 int dns_retry = 0;
671 int dns_dnssec_ok = -1; /* <0 = not coerced */
672 uschar *dns_trust_aa = NULL;
673 int dns_use_edns0 = -1; /* <0 = not coerced */
674 uschar *dnslist_domain = NULL;
675 uschar *dnslist_matched = NULL;
676 uschar *dnslist_text = NULL;
677 uschar *dnslist_value = NULL;
678 tree_node *domainlist_anchor = NULL;
679 int domainlist_count = 0;
680 BOOL dont_deliver = FALSE;
681 BOOL dot_ends = TRUE;
682 BOOL drop_cr = FALSE; /* No longer used */
683 uschar *dsn_from = US DEFAULT_DSN_FROM;
684
685 BOOL enable_dollar_recipients = FALSE;
686 BOOL envelope_to_remove = TRUE;
687 int errno_quota = ERRNO_QUOTA;
688 uschar *errors_copy = NULL;
689 int error_handling = ERRORS_SENDER;
690 uschar *errors_reply_to = NULL;
691 int errors_sender_rc = EXIT_FAILURE;
692 #ifdef EXPERIMENTAL_EVENT
693 uschar *event_action = NULL; /* expansion for delivery events */
694 uschar *event_data = NULL; /* auxilary data variable for event */
695 int event_defer_errno = 0;
696 const uschar *event_name = NULL; /* event name variable */
697 #endif
698
699
700 gid_t exim_gid = EXIM_GID;
701 BOOL exim_gid_set = TRUE; /* This gid is always set */
702 uschar *exim_path = US BIN_DIRECTORY "/exim"
703 "\0<---------------Space to patch exim_path->";
704 uid_t exim_uid = EXIM_UID;
705 BOOL exim_uid_set = TRUE; /* This uid is always set */
706 int expand_forbid = 0;
707 int expand_nlength[EXPAND_MAXN+1];
708 int expand_nmax = -1;
709 uschar *expand_nstring[EXPAND_MAXN+1];
710 BOOL expand_string_forcedfail = FALSE;
711 uschar *expand_string_message;
712 BOOL extract_addresses_remove_arguments = TRUE;
713 uschar *extra_local_interfaces = NULL;
714
715 int fake_response = OK;
716 uschar *fake_response_text = US"Your message has been rejected but is "
717 "being kept for evaluation.\nIf it was a "
718 "legitimate message, it may still be "
719 "delivered to the target recipient(s).";
720 int filter_n[FILTER_VARIABLE_COUNT];
721 BOOL filter_running = FALSE;
722 int filter_sn[FILTER_VARIABLE_COUNT];
723 int filter_test = FTEST_NONE;
724 uschar *filter_test_sfile = NULL;
725 uschar *filter_test_ufile = NULL;
726 uschar *filter_thisaddress = NULL;
727 int finduser_retries = 0;
728 #ifdef WITH_OLD_DEMIME
729 uschar *found_extension = NULL;
730 #endif
731 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
732 uschar *freeze_tell = NULL;
733 uschar *freeze_tell_config = NULL;
734 uschar *fudged_queue_times = US"";
735
736 uschar *gecos_name = NULL;
737 uschar *gecos_pattern = NULL;
738 rewrite_rule *global_rewrite_rules = NULL;
739
740 uschar *headers_charset = US HEADERS_CHARSET;
741 int header_insert_maxlen = 64 * 1024;
742 header_line *header_last = NULL;
743 header_line *header_list = NULL;
744 int header_maxsize = HEADER_MAXSIZE;
745 int header_line_maxsize = 0;
746
747 header_name header_names[] = {
748 { US"bcc", 3, TRUE, htype_bcc },
749 { US"cc", 2, TRUE, htype_cc },
750 { US"date", 4, TRUE, htype_date },
751 { US"delivery-date", 13, FALSE, htype_delivery_date },
752 { US"envelope-to", 11, FALSE, htype_envelope_to },
753 { US"from", 4, TRUE, htype_from },
754 { US"message-id", 10, TRUE, htype_id },
755 { US"received", 8, FALSE, htype_received },
756 { US"reply-to", 8, FALSE, htype_reply_to },
757 { US"return-path", 11, FALSE, htype_return_path },
758 { US"sender", 6, TRUE, htype_sender },
759 { US"subject", 7, FALSE, htype_subject },
760 { US"to", 2, TRUE, htype_to }
761 };
762
763 int header_names_size = sizeof(header_names)/sizeof(header_name);
764
765 BOOL header_rewritten = FALSE;
766 uschar *helo_accept_junk_hosts = NULL;
767 uschar *helo_allow_chars = US"";
768 uschar *helo_lookup_domains = US"@ : @[]";
769 uschar *helo_try_verify_hosts = NULL;
770 BOOL helo_verified = FALSE;
771 BOOL helo_verify_failed = FALSE;
772 uschar *helo_verify_hosts = NULL;
773 const uschar *hex_digits = CUS"0123456789abcdef";
774 uschar *hold_domains = NULL;
775 BOOL host_checking = FALSE;
776 BOOL host_checking_callout = FALSE;
777 uschar *host_data = NULL;
778 BOOL host_find_failed_syntax= FALSE;
779 uschar *host_lookup = NULL;
780 BOOL host_lookup_deferred = FALSE;
781 BOOL host_lookup_failed = FALSE;
782 uschar *host_lookup_order = US"bydns:byaddr";
783 uschar *host_lookup_msg = US"";
784 int host_number = 0;
785 uschar *host_number_string = NULL;
786 uschar *host_reject_connection = NULL;
787 tree_node *hostlist_anchor = NULL;
788 int hostlist_count = 0;
789 uschar *hosts_treat_as_local = NULL;
790 uschar *hosts_connection_nolog = NULL;
791
792 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
793 BOOL ignore_fromline_local = FALSE;
794 uschar *ignore_fromline_hosts = NULL;
795 BOOL inetd_wait_mode = FALSE;
796 int inetd_wait_timeout = -1;
797 uschar *interface_address = NULL;
798 int interface_port = -1;
799 BOOL is_inetd = FALSE;
800 uschar *iterate_item = NULL;
801
802 int journal_fd = -1;
803
804 int keep_malformed = 4*24*60*60; /* 4 days */
805
806 uschar *eldap_dn = NULL;
807 int load_average = -2;
808 BOOL local_error_message = FALSE;
809 BOOL local_from_check = TRUE;
810 uschar *local_from_prefix = NULL;
811 uschar *local_from_suffix = NULL;
812
813 #if HAVE_IPV6
814 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
815 #else
816 uschar *local_interfaces = US"0.0.0.0";
817 #endif
818
819 uschar *local_scan_data = NULL;
820 int local_scan_timeout = 5*60;
821 BOOL local_sender_retain = FALSE;
822 gid_t local_user_gid = (gid_t)(-1);
823 uid_t local_user_uid = (uid_t)(-1);
824
825 tree_node *localpartlist_anchor= NULL;
826 int localpartlist_count = 0;
827 uschar *log_buffer = NULL;
828
829 int log_default[] = { /* for initializing log_selector */
830 Li_acl_warn_skipped,
831 Li_connection_reject,
832 Li_delay_delivery,
833 Li_dnslist_defer,
834 Li_etrn,
835 Li_host_lookup_failed,
836 Li_lost_incoming_connection,
837 Li_outgoing_interface, /* see d_log_interface in deliver.c */
838 Li_queue_run,
839 Li_rejected_header,
840 Li_retry_defer,
841 Li_sender_verify_fail,
842 Li_size_reject,
843 Li_skip_delivery,
844 Li_smtp_confirmation,
845 Li_tls_certificate_verified,
846 Li_tls_cipher,
847 -1
848 };
849
850 uschar *log_file_path = US LOG_FILE_PATH
851 "\0<--------------Space to patch log_file_path->";
852
853 int log_notall[] = {
854 -1
855 };
856 bit_table log_options[] = { /* must be in alphabetical order */
857 BIT_TABLE(L, 8bitmime),
858 BIT_TABLE(L, acl_warn_skipped),
859 BIT_TABLE(L, address_rewrite),
860 BIT_TABLE(L, all),
861 BIT_TABLE(L, all_parents),
862 BIT_TABLE(L, arguments),
863 BIT_TABLE(L, connection_reject),
864 BIT_TABLE(L, delay_delivery),
865 BIT_TABLE(L, deliver_time),
866 BIT_TABLE(L, delivery_size),
867 BIT_TABLE(L, dnslist_defer),
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 #ifdef EXPERIMENTAL_PROXY
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 EXPERIMENTAL_INTERNATIONAL
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 #ifdef EXPERIMENTAL_PROXY
1004 uschar *proxy_host_address = US"";
1005 int proxy_host_port = 0;
1006 uschar *proxy_required_hosts = US"";
1007 BOOL proxy_session = FALSE;
1008 BOOL proxy_session_failed = FALSE;
1009 uschar *proxy_target_address = US"";
1010 int proxy_target_port = 0;
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 EXPERIMENTAL_INTERNATIONAL
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 #ifdef EXPERIMENTAL_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 - 2015\n"
1504 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
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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