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1344b5aeda133b75a87688232632ce57f4dde5b7
[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 = NULL; /* This is deliberate */
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 #endif
171
172 #ifndef DISABLE_PRDR
173 /* Per Recipient Data Response variables */
174 BOOL prdr_enable = FALSE;
175 BOOL prdr_requested = FALSE;
176 const pcre *regex_PRDR = NULL;
177 #endif
178
179 #ifdef EXPERIMENTAL_INTERNATIONAL
180 const pcre *regex_UTF8 = NULL;
181 #endif
182
183 /* Input-reading functions for messages, so we can use special ones for
184 incoming TCP/IP. The defaults use stdin. We never need these for any
185 stand-alone tests. */
186
187 #ifndef STAND_ALONE
188 int (*receive_getc)(void) = stdin_getc;
189 int (*receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_feof)(void) = stdin_feof;
191 int (*receive_ferror)(void) = stdin_ferror;
192 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
193 #endif
194
195
196 /* List of per-address expansion variables for clearing and saving/restoring
197 when verifying one address while routing/verifying another. We have to have
198 the size explicit, because it is referenced from more than one module. */
199
200 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
213 CUSS &deliver_host,
214 CUSS &deliver_home,
215 CUSS &address_file,
216 CUSS &address_pipe,
217 CUSS &self_hostname,
218 NULL };
219
220 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222 /* General global variables */
223
224 header_line *acl_added_headers = NULL;
225 tree_node *acl_anchor = NULL;
226 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228 int acl_narg = 0;
229
230 uschar *acl_not_smtp = NULL;
231 #ifdef WITH_CONTENT_SCAN
232 uschar *acl_not_smtp_mime = NULL;
233 #endif
234 uschar *acl_not_smtp_start = NULL;
235 uschar *acl_removed_headers = NULL;
236 uschar *acl_smtp_auth = NULL;
237 uschar *acl_smtp_connect = NULL;
238 uschar *acl_smtp_data = NULL;
239 #ifndef DISABLE_PRDR
240 uschar *acl_smtp_data_prdr = US"accept";
241 #endif
242 #ifndef DISABLE_DKIM
243 uschar *acl_smtp_dkim = NULL;
244 #endif
245 uschar *acl_smtp_etrn = NULL;
246 uschar *acl_smtp_expn = NULL;
247 uschar *acl_smtp_helo = NULL;
248 uschar *acl_smtp_mail = NULL;
249 uschar *acl_smtp_mailauth = NULL;
250 #ifdef WITH_CONTENT_SCAN
251 uschar *acl_smtp_mime = NULL;
252 #endif
253 uschar *acl_smtp_notquit = NULL;
254 uschar *acl_smtp_predata = NULL;
255 uschar *acl_smtp_quit = NULL;
256 uschar *acl_smtp_rcpt = NULL;
257 uschar *acl_smtp_starttls = NULL;
258 uschar *acl_smtp_vrfy = NULL;
259
260 BOOL acl_temp_details = FALSE;
261 tree_node *acl_var_c = NULL;
262 tree_node *acl_var_m = NULL;
263 uschar *acl_verify_message = NULL;
264 string_item *acl_warn_logged = NULL;
265
266 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269 uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
272 US"MIME",
273 US"DKIM",
274 US"DATA",
275 #ifndef DISABLE_PRDR
276 US"PRDR",
277 #endif
278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
285 US"non-SMTP-start",
286 US"NOTQUIT",
287 US"QUIT",
288 US"STARTTLS",
289 US"VRFY",
290 US"delivery",
291 US"unknown"
292 };
293
294 uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
298 US"550", /* DKIM */
299 US"550", /* DATA */
300 #ifndef DISABLE_PRDR
301 US"550", /* RCPT PRDR */
302 #endif
303 US"0", /* not SMTP; not relevant */
304 US"503", /* AUTH */
305 US"550", /* connect */
306 US"458", /* ETRN */
307 US"550", /* EXPN */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
314 US"252", /* VRFY */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
317 };
318
319 BOOL active_local_from_check = FALSE;
320 BOOL active_local_sender_retain = FALSE;
321 int body_8bitmime = 0;
322 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323 address_item *addr_duplicate = NULL;
324
325 address_item address_defaults = {
326 NULL, /* next */
327 NULL, /* parent */
328 NULL, /* first */
329 NULL, /* dupof */
330 NULL, /* start_router */
331 NULL, /* router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
336 NULL, /* reply */
337 NULL, /* retries */
338 NULL, /* address */
339 NULL, /* unique */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
343 NULL, /* prefix */
344 NULL, /* suffix */
345 NULL, /* domain */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
349 NULL, /* home_dir */
350 NULL, /* message */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
357 #ifdef SUPPORT_TLS
358 NULL, /* cipher */
359 NULL, /* ourcert */
360 NULL, /* peercert */
361 NULL, /* peerdn */
362 OCSP_NOT_REQ, /* ocsp */
363 #endif
364 NULL, /* authenticator */
365 NULL, /* auth_id */
366 NULL, /* auth_sndr */
367 NULL, /* dsn_orcpt */
368 0, /* dsn_flags */
369 0, /* dsn_aware */
370 (uid_t)(-1), /* uid */
371 (gid_t)(-1), /* gid */
372 0, /* flags */
373 { 0 }, /* domain_cache - any larger array should be zeroed */
374 { 0 }, /* localpart_cache - ditto */
375 -1, /* mode */
376 0, /* more_errno */
377 ERRNO_UNKNOWNERROR, /* basic_errno */
378 0, /* child_count */
379 -1, /* return_file */
380 SPECIAL_NONE, /* special_action */
381 DEFER, /* transport_return */
382 { /* fields that are propagated to children */
383 NULL, /* address_data */
384 NULL, /* domain_data */
385 NULL, /* localpart_data */
386 NULL, /* errors_address */
387 NULL, /* extra_headers */
388 NULL, /* remove_headers */
389 #ifdef EXPERIMENTAL_SRS
390 NULL, /* srs_sender */
391 #endif
392 #ifdef EXPERIMENTAL_INTERNATIONAL
393 FALSE, /* utf8 */
394 #endif
395 }
396 };
397
398 uschar *address_file = NULL;
399 uschar *address_pipe = NULL;
400 BOOL address_test_mode = FALSE;
401 tree_node *addresslist_anchor = NULL;
402 int addresslist_count = 0;
403 gid_t *admin_groups = NULL;
404 BOOL admin_user = FALSE;
405 BOOL allow_auth_unadvertised= FALSE;
406 BOOL allow_domain_literals = FALSE;
407 BOOL allow_mx_to_ip = FALSE;
408 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
409 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
410 BOOL allow_utf8_domains = FALSE;
411 uschar *authenticated_fail_id = NULL;
412 uschar *authenticated_id = NULL;
413 uschar *authenticated_sender = NULL;
414 BOOL authentication_failed = FALSE;
415 auth_instance *auths = NULL;
416 uschar *auth_advertise_hosts = US"*";
417 auth_instance auth_defaults = {
418 NULL, /* chain pointer */
419 NULL, /* name */
420 NULL, /* info */
421 NULL, /* private options block pointer */
422 NULL, /* driver_name */
423 NULL, /* advertise_condition */
424 NULL, /* client_condition */
425 NULL, /* public_name */
426 NULL, /* set_id */
427 NULL, /* set_client_id */
428 NULL, /* server_mail_auth_condition */
429 NULL, /* server_debug_string */
430 NULL, /* server_condition */
431 FALSE, /* client */
432 FALSE, /* server */
433 FALSE /* advertised */
434 };
435
436 uschar *auth_defer_msg = US"reason not recorded";
437 uschar *auth_defer_user_msg = US"";
438 uschar *auth_vars[AUTH_VARS];
439 int auto_thaw = 0;
440 #ifdef WITH_CONTENT_SCAN
441 BOOL av_failed = FALSE;
442 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
443 #endif
444
445 BOOL background_daemon = TRUE;
446
447 #if BASE_62 == 62
448 uschar *base62_chars=
449 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
450 #else
451 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
452 #endif
453
454 uschar *bi_command = NULL;
455 uschar *big_buffer = NULL;
456 int big_buffer_size = BIG_BUFFER_SIZE;
457 #ifdef EXPERIMENTAL_BRIGHTMAIL
458 uschar *bmi_alt_location = NULL;
459 uschar *bmi_base64_tracker_verdict = NULL;
460 uschar *bmi_base64_verdict = NULL;
461 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
462 int bmi_deliver = 1;
463 int bmi_run = 0;
464 uschar *bmi_verdicts = NULL;
465 #endif
466 int body_linecount = 0;
467 int body_zerocount = 0;
468 uschar *bounce_message_file = NULL;
469 uschar *bounce_message_text = NULL;
470 uschar *bounce_recipient = NULL;
471 BOOL bounce_return_body = TRUE;
472 BOOL bounce_return_message = TRUE;
473 int bounce_return_size_limit = 100*1024;
474 uschar *bounce_sender_authentication = NULL;
475 int bsmtp_transaction_linecount = 0;
476
477 int callout_cache_domain_positive_expire = 7*24*60*60;
478 int callout_cache_domain_negative_expire = 3*60*60;
479 int callout_cache_positive_expire = 24*60*60;
480 int callout_cache_negative_expire = 2*60*60;
481 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
482 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
483 int check_log_inodes = 0;
484 int check_log_space = 0;
485 BOOL check_rfc2047_length = TRUE;
486 int check_spool_inodes = 0;
487 int check_spool_space = 0;
488 uschar *client_authenticator = NULL;
489 uschar *client_authenticated_id = NULL;
490 uschar *client_authenticated_sender = NULL;
491 int clmacro_count = 0;
492 uschar *clmacros[MAX_CLMACROS];
493 BOOL config_changed = FALSE;
494 FILE *config_file = NULL;
495 uschar *config_filename = NULL;
496 int config_lineno = 0;
497 #ifdef CONFIGURE_GROUP
498 gid_t config_gid = CONFIGURE_GROUP;
499 #endif
500 uschar *config_main_filelist = US CONFIGURE_FILE
501 "\0<-----------Space to patch configure_filename->";
502 uschar *config_main_filename = NULL;
503 uschar *config_main_directory = NULL;
504
505 #ifdef CONFIGURE_OWNER
506 uid_t config_uid = CONFIGURE_OWNER;
507 #endif
508
509 int connection_max_messages= -1;
510 uschar *continue_hostname = NULL;
511 uschar *continue_host_address = NULL;
512 BOOL continue_more = FALSE;
513 int continue_sequence = 1;
514 uschar *continue_transport = NULL;
515
516 uschar *csa_status = NULL;
517 cut_t cutthrough = {
518 FALSE, /* delivery: when to attempt */
519 -1, /* fd: open connection */
520 0, /* nrcpt: number of addresses */
521 };
522
523 BOOL daemon_listen = FALSE;
524 uschar *daemon_smtp_port = US"smtp";
525 int daemon_startup_retries = 9;
526 int daemon_startup_sleep = 30;
527
528 #ifdef EXPERIMENTAL_DCC
529 BOOL dcc_direct_add_header = FALSE;
530 uschar *dcc_header = NULL;
531 uschar *dcc_result = NULL;
532 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
533 uschar *dccifd_options = US"header";
534 #endif
535
536 BOOL debug_daemon = FALSE;
537 int debug_fd = -1;
538 FILE *debug_file = NULL;
539 int debug_notall[] = {
540 Di_memory,
541 -1
542 };
543 bit_table debug_options[] = { /* must be in alphabetical order */
544 BIT_TABLE(D, acl),
545 BIT_TABLE(D, all),
546 BIT_TABLE(D, auth),
547 BIT_TABLE(D, deliver),
548 BIT_TABLE(D, dns),
549 BIT_TABLE(D, dnsbl),
550 BIT_TABLE(D, exec),
551 BIT_TABLE(D, expand),
552 BIT_TABLE(D, filter),
553 BIT_TABLE(D, hints_lookup),
554 BIT_TABLE(D, host_lookup),
555 BIT_TABLE(D, ident),
556 BIT_TABLE(D, interface),
557 BIT_TABLE(D, lists),
558 BIT_TABLE(D, load),
559 BIT_TABLE(D, local_scan),
560 BIT_TABLE(D, lookup),
561 BIT_TABLE(D, memory),
562 BIT_TABLE(D, pid),
563 BIT_TABLE(D, process_info),
564 BIT_TABLE(D, queue_run),
565 BIT_TABLE(D, receive),
566 BIT_TABLE(D, resolver),
567 BIT_TABLE(D, retry),
568 BIT_TABLE(D, rewrite),
569 BIT_TABLE(D, route),
570 BIT_TABLE(D, timestamp),
571 BIT_TABLE(D, tls),
572 BIT_TABLE(D, transport),
573 BIT_TABLE(D, uid),
574 BIT_TABLE(D, verify),
575 };
576 int debug_options_count = nelem(debug_options);
577
578 unsigned int debug_selector = 0;
579 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
580 uschar *delay_warning_condition=
581 US"${if or {"
582 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
583 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
584 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
585 "} {no}{yes}}";
586 BOOL delivery_date_remove = TRUE;
587 uschar *deliver_address_data = NULL;
588 int deliver_datafile = -1;
589 const uschar *deliver_domain = NULL;
590 uschar *deliver_domain_data = NULL;
591 const uschar *deliver_domain_orig = NULL;
592 const uschar *deliver_domain_parent = NULL;
593 BOOL deliver_drop_privilege = FALSE;
594 BOOL deliver_firsttime = FALSE;
595 BOOL deliver_force = FALSE;
596 BOOL deliver_freeze = FALSE;
597 time_t deliver_frozen_at = 0;
598 uschar *deliver_home = NULL;
599 const uschar *deliver_host = NULL;
600 const uschar *deliver_host_address = NULL;
601 int deliver_host_port = 0;
602 uschar *deliver_in_buffer = NULL;
603 ino_t deliver_inode = 0;
604 uschar *deliver_localpart = NULL;
605 uschar *deliver_localpart_data = NULL;
606 uschar *deliver_localpart_orig = NULL;
607 uschar *deliver_localpart_parent = NULL;
608 uschar *deliver_localpart_prefix = NULL;
609 uschar *deliver_localpart_suffix = NULL;
610 BOOL deliver_force_thaw = FALSE;
611 BOOL deliver_manual_thaw = FALSE;
612 uschar *deliver_out_buffer = NULL;
613 int deliver_queue_load_max = -1;
614 address_item *deliver_recipients = NULL;
615 uschar *deliver_selectstring = NULL;
616 BOOL deliver_selectstring_regex = FALSE;
617 uschar *deliver_selectstring_sender = NULL;
618 BOOL deliver_selectstring_sender_regex = FALSE;
619 #ifdef WITH_OLD_DEMIME
620 int demime_errorlevel = 0;
621 int demime_ok = 0;
622 uschar *demime_reason = NULL;
623 #endif
624 BOOL disable_callout_flush = FALSE;
625 BOOL disable_delay_flush = FALSE;
626 #ifdef ENABLE_DISABLE_FSYNC
627 BOOL disable_fsync = FALSE;
628 #endif
629 BOOL disable_ipv6 = FALSE;
630 BOOL disable_logging = FALSE;
631
632 #ifndef DISABLE_DKIM
633 uschar *dkim_cur_signer = NULL;
634 uschar *dkim_signers = NULL;
635 uschar *dkim_signing_domain = NULL;
636 uschar *dkim_signing_selector = NULL;
637 uschar *dkim_verify_signers = US"$dkim_signers";
638 BOOL dkim_collect_input = FALSE;
639 BOOL dkim_disable_verify = FALSE;
640 #endif
641 #ifdef EXPERIMENTAL_DMARC
642 BOOL dmarc_has_been_checked = FALSE;
643 uschar *dmarc_ar_header = NULL;
644 uschar *dmarc_domain_policy = NULL;
645 uschar *dmarc_forensic_sender = NULL;
646 uschar *dmarc_history_file = NULL;
647 uschar *dmarc_status = NULL;
648 uschar *dmarc_status_text = NULL;
649 uschar *dmarc_tld_file = NULL;
650 uschar *dmarc_used_domain = NULL;
651 BOOL dmarc_disable_verify = FALSE;
652 BOOL dmarc_enable_forensic = FALSE;
653 #endif
654
655 uschar *dns_again_means_nonexist = NULL;
656 int dns_csa_search_limit = 5;
657 BOOL dns_csa_use_reverse = TRUE;
658 #ifdef EXPERIMENTAL_DANE
659 int dns_dane_ok = -1;
660 #endif
661 uschar *dns_ipv4_lookup = NULL;
662 int dns_retrans = 0;
663 int dns_retry = 0;
664 int dns_dnssec_ok = -1; /* <0 = not coerced */
665 uschar *dns_trust_aa = NULL;
666 int dns_use_edns0 = -1; /* <0 = not coerced */
667 uschar *dnslist_domain = NULL;
668 uschar *dnslist_matched = NULL;
669 uschar *dnslist_text = NULL;
670 uschar *dnslist_value = NULL;
671 tree_node *domainlist_anchor = NULL;
672 int domainlist_count = 0;
673 BOOL dont_deliver = FALSE;
674 BOOL dot_ends = TRUE;
675 BOOL drop_cr = FALSE; /* No longer used */
676 uschar *dsn_from = US DEFAULT_DSN_FROM;
677
678 BOOL enable_dollar_recipients = FALSE;
679 BOOL envelope_to_remove = TRUE;
680 int errno_quota = ERRNO_QUOTA;
681 uschar *errors_copy = NULL;
682 int error_handling = ERRORS_SENDER;
683 uschar *errors_reply_to = NULL;
684 int errors_sender_rc = EXIT_FAILURE;
685 #ifdef EXPERIMENTAL_EVENT
686 uschar *event_action = NULL; /* expansion for delivery events */
687 uschar *event_data = NULL; /* auxilary data variable for event */
688 int event_defer_errno = 0;
689 const uschar *event_name = NULL; /* event name variable */
690 #endif
691
692
693 gid_t exim_gid = EXIM_GID;
694 BOOL exim_gid_set = TRUE; /* This gid is always set */
695 uschar *exim_path = US BIN_DIRECTORY "/exim"
696 "\0<---------------Space to patch exim_path->";
697 uid_t exim_uid = EXIM_UID;
698 BOOL exim_uid_set = TRUE; /* This uid is always set */
699 int expand_forbid = 0;
700 int expand_nlength[EXPAND_MAXN+1];
701 int expand_nmax = -1;
702 uschar *expand_nstring[EXPAND_MAXN+1];
703 BOOL expand_string_forcedfail = FALSE;
704 uschar *expand_string_message;
705 BOOL extract_addresses_remove_arguments = TRUE;
706 uschar *extra_local_interfaces = NULL;
707
708 int fake_response = OK;
709 uschar *fake_response_text = US"Your message has been rejected but is "
710 "being kept for evaluation.\nIf it was a "
711 "legitimate message, it may still be "
712 "delivered to the target recipient(s).";
713 int filter_n[FILTER_VARIABLE_COUNT];
714 BOOL filter_running = FALSE;
715 int filter_sn[FILTER_VARIABLE_COUNT];
716 int filter_test = FTEST_NONE;
717 uschar *filter_test_sfile = NULL;
718 uschar *filter_test_ufile = NULL;
719 uschar *filter_thisaddress = NULL;
720 int finduser_retries = 0;
721 #ifdef WITH_OLD_DEMIME
722 uschar *found_extension = NULL;
723 #endif
724 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
725 uschar *freeze_tell = NULL;
726 uschar *freeze_tell_config = NULL;
727 uschar *fudged_queue_times = US"";
728
729 uschar *gecos_name = NULL;
730 uschar *gecos_pattern = NULL;
731 rewrite_rule *global_rewrite_rules = NULL;
732
733 uschar *headers_charset = US HEADERS_CHARSET;
734 int header_insert_maxlen = 64 * 1024;
735 header_line *header_last = NULL;
736 header_line *header_list = NULL;
737 int header_maxsize = HEADER_MAXSIZE;
738 int header_line_maxsize = 0;
739
740 header_name header_names[] = {
741 { US"bcc", 3, TRUE, htype_bcc },
742 { US"cc", 2, TRUE, htype_cc },
743 { US"date", 4, TRUE, htype_date },
744 { US"delivery-date", 13, FALSE, htype_delivery_date },
745 { US"envelope-to", 11, FALSE, htype_envelope_to },
746 { US"from", 4, TRUE, htype_from },
747 { US"message-id", 10, TRUE, htype_id },
748 { US"received", 8, FALSE, htype_received },
749 { US"reply-to", 8, FALSE, htype_reply_to },
750 { US"return-path", 11, FALSE, htype_return_path },
751 { US"sender", 6, TRUE, htype_sender },
752 { US"subject", 7, FALSE, htype_subject },
753 { US"to", 2, TRUE, htype_to }
754 };
755
756 int header_names_size = sizeof(header_names)/sizeof(header_name);
757
758 BOOL header_rewritten = FALSE;
759 uschar *helo_accept_junk_hosts = NULL;
760 uschar *helo_allow_chars = US"";
761 uschar *helo_lookup_domains = US"@ : @[]";
762 uschar *helo_try_verify_hosts = NULL;
763 BOOL helo_verified = FALSE;
764 BOOL helo_verify_failed = FALSE;
765 uschar *helo_verify_hosts = NULL;
766 const uschar *hex_digits = CUS"0123456789abcdef";
767 uschar *hold_domains = NULL;
768 BOOL host_checking = FALSE;
769 BOOL host_checking_callout = FALSE;
770 uschar *host_data = NULL;
771 BOOL host_find_failed_syntax= FALSE;
772 uschar *host_lookup = NULL;
773 BOOL host_lookup_deferred = FALSE;
774 BOOL host_lookup_failed = FALSE;
775 uschar *host_lookup_order = US"bydns:byaddr";
776 uschar *host_lookup_msg = US"";
777 int host_number = 0;
778 uschar *host_number_string = NULL;
779 uschar *host_reject_connection = NULL;
780 tree_node *hostlist_anchor = NULL;
781 int hostlist_count = 0;
782 uschar *hosts_treat_as_local = NULL;
783 uschar *hosts_connection_nolog = NULL;
784
785 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
786 BOOL ignore_fromline_local = FALSE;
787 uschar *ignore_fromline_hosts = NULL;
788 BOOL inetd_wait_mode = FALSE;
789 int inetd_wait_timeout = -1;
790 uschar *interface_address = NULL;
791 int interface_port = -1;
792 BOOL is_inetd = FALSE;
793 uschar *iterate_item = NULL;
794
795 int journal_fd = -1;
796
797 int keep_malformed = 4*24*60*60; /* 4 days */
798
799 uschar *eldap_dn = NULL;
800 int load_average = -2;
801 BOOL local_error_message = FALSE;
802 BOOL local_from_check = TRUE;
803 uschar *local_from_prefix = NULL;
804 uschar *local_from_suffix = NULL;
805
806 #if HAVE_IPV6
807 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
808 #else
809 uschar *local_interfaces = US"0.0.0.0";
810 #endif
811
812 uschar *local_scan_data = NULL;
813 int local_scan_timeout = 5*60;
814 BOOL local_sender_retain = FALSE;
815 gid_t local_user_gid = (gid_t)(-1);
816 uid_t local_user_uid = (uid_t)(-1);
817
818 tree_node *localpartlist_anchor= NULL;
819 int localpartlist_count = 0;
820 uschar *log_buffer = NULL;
821
822 int log_default[] = { /* for initializing log_selector */
823 Li_acl_warn_skipped,
824 Li_connection_reject,
825 Li_delay_delivery,
826 Li_dnslist_defer,
827 Li_etrn,
828 Li_host_lookup_failed,
829 Li_lost_incoming_connection,
830 Li_queue_run,
831 Li_rejected_header,
832 Li_retry_defer,
833 Li_sender_verify_fail,
834 Li_size_reject,
835 Li_skip_delivery,
836 Li_smtp_confirmation,
837 Li_tls_certificate_verified,
838 Li_tls_cipher,
839 -1
840 };
841
842 uschar *log_file_path = US LOG_FILE_PATH
843 "\0<--------------Space to patch log_file_path->";
844
845 int log_notall[] = {
846 -1
847 };
848 bit_table log_options[] = { /* must be in alphabetical order */
849 BIT_TABLE(L, 8bitmime),
850 BIT_TABLE(L, acl_warn_skipped),
851 BIT_TABLE(L, address_rewrite),
852 BIT_TABLE(L, all),
853 BIT_TABLE(L, all_parents),
854 BIT_TABLE(L, arguments),
855 BIT_TABLE(L, connection_reject),
856 BIT_TABLE(L, delay_delivery),
857 BIT_TABLE(L, deliver_time),
858 BIT_TABLE(L, delivery_size),
859 BIT_TABLE(L, dnslist_defer),
860 BIT_TABLE(L, etrn),
861 BIT_TABLE(L, host_lookup_failed),
862 BIT_TABLE(L, ident_timeout),
863 BIT_TABLE(L, incoming_interface),
864 BIT_TABLE(L, incoming_port),
865 BIT_TABLE(L, lost_incoming_connection),
866 BIT_TABLE(L, outgoing_port),
867 BIT_TABLE(L, pid),
868 #ifdef EXPERIMENTAL_PROXY
869 BIT_TABLE(L, proxy),
870 #endif
871 BIT_TABLE(L, queue_run),
872 BIT_TABLE(L, queue_time),
873 BIT_TABLE(L, queue_time_overall),
874 BIT_TABLE(L, received_recipients),
875 BIT_TABLE(L, received_sender),
876 BIT_TABLE(L, rejected_header),
877 { US"rejected_headers", Li_rejected_header },
878 BIT_TABLE(L, retry_defer),
879 BIT_TABLE(L, return_path_on_delivery),
880 BIT_TABLE(L, sender_on_delivery),
881 BIT_TABLE(L, sender_verify_fail),
882 BIT_TABLE(L, size_reject),
883 BIT_TABLE(L, skip_delivery),
884 BIT_TABLE(L, smtp_confirmation),
885 BIT_TABLE(L, smtp_connection),
886 BIT_TABLE(L, smtp_incomplete_transaction),
887 BIT_TABLE(L, smtp_mailauth),
888 BIT_TABLE(L, smtp_no_mail),
889 BIT_TABLE(L, smtp_protocol_error),
890 BIT_TABLE(L, smtp_syntax_error),
891 BIT_TABLE(L, subject),
892 BIT_TABLE(L, tls_certificate_verified),
893 BIT_TABLE(L, tls_cipher),
894 BIT_TABLE(L, tls_peerdn),
895 BIT_TABLE(L, tls_sni),
896 BIT_TABLE(L, unknown_in_list),
897 };
898 int log_options_count = nelem(log_options);
899
900 int log_reject_target = 0;
901 unsigned int log_selector[log_selector_size]; /* initialized in main() */
902 uschar *log_selector_string = NULL;
903 FILE *log_stderr = NULL;
904 BOOL log_testing_mode = FALSE;
905 BOOL log_timezone = FALSE;
906 uschar *login_sender_address = NULL;
907 uschar *lookup_dnssec_authenticated = NULL;
908 int lookup_open_max = 25;
909 uschar *lookup_value = NULL;
910
911 macro_item *macros = NULL;
912 uschar *mailstore_basename = NULL;
913 #ifdef WITH_CONTENT_SCAN
914 uschar *malware_name = NULL; /* Virus Name */
915 #endif
916 int max_received_linelength= 0;
917 int max_username_length = 0;
918 int message_age = 0;
919 uschar *message_body = NULL;
920 uschar *message_body_end = NULL;
921 BOOL message_body_newlines = FALSE;
922 int message_body_size = 0;
923 int message_body_visible = 500;
924 int message_ended = END_NOTSTARTED;
925 uschar *message_headers = NULL;
926 uschar *message_id;
927 uschar *message_id_domain = NULL;
928 uschar *message_id_text = NULL;
929 struct timeval message_id_tv = { 0, 0 };
930 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
931 uschar *message_id_external;
932 int message_linecount = 0;
933 BOOL message_logs = TRUE;
934 int message_size = 0;
935 uschar *message_size_limit = US"50M";
936 #ifdef EXPERIMENTAL_INTERNATIONAL
937 BOOL message_smtputf8 = FALSE;
938 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
939 #endif
940 uschar message_subdir[2] = { 0, 0 };
941 uschar *message_reference = NULL;
942
943 /* MIME ACL expandables */
944 #ifdef WITH_CONTENT_SCAN
945 int mime_anomaly_level = 0;
946 const uschar *mime_anomaly_text = NULL;
947 uschar *mime_boundary = NULL;
948 uschar *mime_charset = NULL;
949 uschar *mime_content_description = NULL;
950 uschar *mime_content_disposition = NULL;
951 uschar *mime_content_id = NULL;
952 unsigned int mime_content_size = 0;
953 uschar *mime_content_transfer_encoding = NULL;
954 uschar *mime_content_type = NULL;
955 uschar *mime_decoded_filename = NULL;
956 uschar *mime_filename = NULL;
957 int mime_is_multipart = 0;
958 int mime_is_coverletter = 0;
959 int mime_is_rfc822 = 0;
960 int mime_part_count = -1;
961 #endif
962
963 BOOL mua_wrapper = FALSE;
964
965 uid_t *never_users = NULL;
966 #ifdef WITH_CONTENT_SCAN
967 BOOL no_mbox_unspool = FALSE;
968 #endif
969 BOOL no_multiline_responses = FALSE;
970
971 uid_t original_euid;
972 gid_t originator_gid;
973 uschar *originator_login = NULL;
974 uschar *originator_name = NULL;
975 uid_t originator_uid;
976 uschar *override_local_interfaces = NULL;
977 uschar *override_pid_file_path = NULL;
978
979 BOOL parse_allow_group = FALSE;
980 BOOL parse_found_group = FALSE;
981 uschar *percent_hack_domains = NULL;
982 uschar *pid_file_path = US PID_FILE_PATH
983 "\0<--------------Space to patch pid_file_path->";
984 BOOL pipelining_enable = TRUE;
985 uschar *pipelining_advertise_hosts = US"*";
986 BOOL preserve_message_logs = FALSE;
987 uschar *primary_hostname = NULL;
988 BOOL print_topbitchars = FALSE;
989 uschar process_info[PROCESS_INFO_SIZE];
990 int process_info_len = 0;
991 uschar *process_log_path = NULL;
992 BOOL prod_requires_admin = TRUE;
993
994 #ifdef EXPERIMENTAL_PROXY
995 uschar *proxy_host_address = US"";
996 int proxy_host_port = 0;
997 uschar *proxy_required_hosts = US"";
998 BOOL proxy_session = FALSE;
999 BOOL proxy_session_failed = FALSE;
1000 uschar *proxy_target_address = US"";
1001 int proxy_target_port = 0;
1002 #endif
1003
1004 uschar *prvscheck_address = NULL;
1005 uschar *prvscheck_keynum = NULL;
1006 uschar *prvscheck_result = NULL;
1007
1008
1009 const uschar *qualify_domain_recipient = NULL;
1010 uschar *qualify_domain_sender = NULL;
1011 BOOL queue_2stage = FALSE;
1012 uschar *queue_domains = NULL;
1013 int queue_interval = -1;
1014 BOOL queue_list_requires_admin = TRUE;
1015 BOOL queue_only = FALSE;
1016 uschar *queue_only_file = NULL;
1017 int queue_only_load = -1;
1018 BOOL queue_only_load_latch = TRUE;
1019 BOOL queue_only_override = TRUE;
1020 BOOL queue_only_policy = FALSE;
1021 BOOL queue_run_first_delivery = FALSE;
1022 BOOL queue_run_force = FALSE;
1023 BOOL queue_run_in_order = FALSE;
1024 BOOL queue_run_local = FALSE;
1025 int queue_run_max = 5;
1026 pid_t queue_run_pid = (pid_t)0;
1027 int queue_run_pipe = -1;
1028 BOOL queue_running = FALSE;
1029 BOOL queue_smtp = FALSE;
1030 uschar *queue_smtp_domains = NULL;
1031
1032 unsigned int random_seed = 0;
1033 tree_node *ratelimiters_cmd = NULL;
1034 tree_node *ratelimiters_conn = NULL;
1035 tree_node *ratelimiters_mail = NULL;
1036 uschar *raw_active_hostname = NULL;
1037 uschar *raw_sender = NULL;
1038 uschar **raw_recipients = NULL;
1039 int raw_recipients_count = 0;
1040
1041 int rcpt_count = 0;
1042 int rcpt_fail_count = 0;
1043 int rcpt_defer_count = 0;
1044 gid_t real_gid;
1045 uid_t real_uid;
1046 BOOL really_exim = TRUE;
1047 BOOL receive_call_bombout = FALSE;
1048 int receive_linecount = 0;
1049 int receive_messagecount = 0;
1050 int receive_timeout = 0;
1051 int received_count = 0;
1052 uschar *received_for = NULL;
1053
1054 /* This is the default text for Received headers generated by Exim. The
1055 date will be automatically added on the end. */
1056
1057 uschar *received_header_text = US
1058 "Received: "
1059 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1060 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1061 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1062 "by $primary_hostname "
1063 "${if def:received_protocol {with $received_protocol}} "
1064 #ifdef SUPPORT_TLS
1065 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1066 #endif
1067 "(Exim $version_number)\n\t"
1068 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1069 "id $message_exim_id"
1070 "${if def:received_for {\n\tfor $received_for}}"
1071 "\0<---------------Space to patch received_header_text->";
1072
1073 int received_headers_max = 30;
1074 uschar *received_protocol = NULL;
1075 int received_time = 0;
1076 uschar *recipient_data = NULL;
1077 uschar *recipient_unqualified_hosts = NULL;
1078 uschar *recipient_verify_failure = NULL;
1079 int recipients_count = 0;
1080 BOOL recipients_discarded = FALSE;
1081 recipient_item *recipients_list = NULL;
1082 int recipients_list_max = 0;
1083 int recipients_max = 0;
1084 BOOL recipients_max_reject = FALSE;
1085 const pcre *regex_AUTH = NULL;
1086 const pcre *regex_check_dns_names = NULL;
1087 const pcre *regex_From = NULL;
1088 const pcre *regex_IGNOREQUOTA = NULL;
1089 const pcre *regex_PIPELINING = NULL;
1090 const pcre *regex_SIZE = NULL;
1091 const pcre *regex_smtp_code = NULL;
1092 const pcre *regex_ismsgid = NULL;
1093 #ifdef WHITELIST_D_MACROS
1094 const pcre *regex_whitelisted_macro = NULL;
1095 #endif
1096 #ifdef WITH_CONTENT_SCAN
1097 uschar *regex_match_string = NULL;
1098 #endif
1099 int remote_delivery_count = 0;
1100 int remote_max_parallel = 2;
1101 uschar *remote_sort_domains = NULL;
1102 int retry_data_expire = 7*24*60*60;
1103 int retry_interval_max = 24*60*60;
1104 int retry_maximum_timeout = 0; /* set from retry config */
1105 retry_config *retries = NULL;
1106 uschar *return_path = NULL;
1107 BOOL return_path_remove = TRUE;
1108 int rewrite_existflags = 0;
1109 uschar *rfc1413_hosts = US"@[]";
1110 int rfc1413_query_timeout = 0;
1111 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1112 uid_t root_gid = ROOT_GID;
1113 uid_t root_uid = ROOT_UID;
1114
1115 router_instance *routers = NULL;
1116 router_instance router_defaults = {
1117 NULL, /* chain pointer */
1118 NULL, /* name */
1119 NULL, /* info */
1120 NULL, /* private options block pointer */
1121 NULL, /* driver name */
1122
1123 NULL, /* address_data */
1124 #ifdef EXPERIMENTAL_BRIGHTMAIL
1125 NULL, /* bmi_rule */
1126 #endif
1127 NULL, /* cannot_route_message */
1128 NULL, /* condition */
1129 NULL, /* current_directory */
1130 NULL, /* debug_string */
1131 NULL, /* domains */
1132 NULL, /* errors_to */
1133 NULL, /* expand_gid */
1134 NULL, /* expand_uid */
1135 NULL, /* expand_more */
1136 NULL, /* expand_unseen */
1137 NULL, /* extra_headers */
1138 NULL, /* fallback_hosts */
1139 NULL, /* home_directory */
1140 NULL, /* ignore_target_hosts */
1141 NULL, /* local_parts */
1142 NULL, /* pass_router_name */
1143 NULL, /* prefix */
1144 NULL, /* redirect_router_name */
1145 NULL, /* remove_headers */
1146 NULL, /* require_files */
1147 NULL, /* router_home_directory */
1148 US"freeze", /* self */
1149 NULL, /* senders */
1150 NULL, /* suffix */
1151 NULL, /* translate_ip_address */
1152 NULL, /* transport_name */
1153
1154 TRUE, /* address_test */
1155 #ifdef EXPERIMENTAL_BRIGHTMAIL
1156 FALSE, /* bmi_deliver_alternate */
1157 FALSE, /* bmi_deliver_default */
1158 FALSE, /* bmi_dont_deliver */
1159 #endif
1160 TRUE, /* expn */
1161 FALSE, /* caseful_local_part */
1162 FALSE, /* check_local_user */
1163 FALSE, /* disable_logging */
1164 FALSE, /* fail_verify_recipient */
1165 FALSE, /* fail_verify_sender */
1166 FALSE, /* gid_set */
1167 FALSE, /* initgroups */
1168 TRUE_UNSET, /* log_as_local */
1169 TRUE, /* more */
1170 FALSE, /* pass_on_timeout */
1171 FALSE, /* prefix_optional */
1172 TRUE, /* repeat_use */
1173 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1174 FALSE, /* same_domain_copy_routing */
1175 FALSE, /* self_rewrite */
1176 FALSE, /* suffix_optional */
1177 FALSE, /* verify_only */
1178 TRUE, /* verify_recipient */
1179 TRUE, /* verify_sender */
1180 FALSE, /* uid_set */
1181 FALSE, /* unseen */
1182 FALSE, /* dsn_lasthop */
1183
1184 self_freeze, /* self_code */
1185 (uid_t)(-1), /* uid */
1186 (gid_t)(-1), /* gid */
1187
1188 NULL, /* fallback_hostlist */
1189 NULL, /* transport instance */
1190 NULL, /* pass_router */
1191 NULL, /* redirect_router */
1192
1193 { NULL, NULL }, /* dnssec_domains {require,request} */
1194 };
1195
1196 uschar *router_name = NULL;
1197
1198 ip_address_item *running_interfaces = NULL;
1199 BOOL running_in_test_harness = FALSE;
1200
1201 /* This is a weird one. The following string gets patched in the binary by the
1202 script that sets up a copy of Exim for running in the test harness. It seems
1203 that compilers are now clever, and share constant strings if they can.
1204 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1205 make use of the end of this string in order to save space. So the patching then
1206 wrecks this. We defeat this optimization by adding some additional characters
1207 onto the end of the string. */
1208
1209 uschar *running_status = US">>>running<<<" "\0EXTRA";
1210
1211 int runrc = 0;
1212
1213 uschar *search_error_message = NULL;
1214 BOOL search_find_defer = FALSE;
1215 uschar *self_hostname = NULL;
1216 uschar *sender_address = NULL;
1217 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1218 uschar *sender_address_data = NULL;
1219 BOOL sender_address_forced = FALSE;
1220 uschar *sender_address_unrewritten = NULL;
1221 uschar *sender_data = NULL;
1222 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1223 uschar *sender_fullhost = NULL;
1224 BOOL sender_helo_dnssec = FALSE;
1225 uschar *sender_helo_name = NULL;
1226 uschar **sender_host_aliases = &no_aliases;
1227 uschar *sender_host_address = NULL;
1228 uschar *sender_host_authenticated = NULL;
1229 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1230 BOOL sender_host_dnssec = FALSE;
1231 uschar *sender_host_name = NULL;
1232 int sender_host_port = 0;
1233 BOOL sender_host_notsocket = FALSE;
1234 BOOL sender_host_unknown = FALSE;
1235 uschar *sender_ident = NULL;
1236 BOOL sender_local = FALSE;
1237 BOOL sender_name_forced = FALSE;
1238 uschar *sender_rate = NULL;
1239 uschar *sender_rate_limit = NULL;
1240 uschar *sender_rate_period = NULL;
1241 uschar *sender_rcvhost = NULL;
1242 BOOL sender_set_untrusted = FALSE;
1243 uschar *sender_unqualified_hosts = NULL;
1244 uschar *sender_verify_failure = NULL;
1245 address_item *sender_verified_list = NULL;
1246 address_item *sender_verified_failed = NULL;
1247 int sender_verified_rc = -1;
1248 BOOL sender_verified_responded = FALSE;
1249 uschar *sending_ip_address = NULL;
1250 int sending_port = -1;
1251 SIGNAL_BOOL sigalrm_seen = FALSE;
1252 uschar **sighup_argv = NULL;
1253 int slow_lookup_log = 0; /* millisecs, zero disables */
1254 int smtp_accept_count = 0;
1255 BOOL smtp_accept_keepalive = TRUE;
1256 int smtp_accept_max = 20;
1257 int smtp_accept_max_nonmail= 10;
1258 uschar *smtp_accept_max_nonmail_hosts = US"*";
1259 int smtp_accept_max_per_connection = 1000;
1260 uschar *smtp_accept_max_per_host = NULL;
1261 int smtp_accept_queue = 0;
1262 int smtp_accept_queue_per_connection = 10;
1263 int smtp_accept_reserve = 0;
1264 uschar *smtp_active_hostname = NULL;
1265 BOOL smtp_authenticated = FALSE;
1266 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1267 "Exim $version_number $tod_full"
1268 "\0<---------------Space to patch smtp_banner->";
1269 BOOL smtp_batched_input = FALSE;
1270 BOOL smtp_check_spool_space = TRUE;
1271 int smtp_ch_index = 0;
1272 uschar *smtp_cmd_argument = NULL;
1273 uschar *smtp_cmd_buffer = NULL;
1274 time_t smtp_connection_start = 0;
1275 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1276 int smtp_connect_backlog = 20;
1277 double smtp_delay_mail = 0.0;
1278 double smtp_delay_rcpt = 0.0;
1279 BOOL smtp_enforce_sync = TRUE;
1280 FILE *smtp_in = NULL;
1281 BOOL smtp_input = FALSE;
1282 int smtp_load_reserve = -1;
1283 int smtp_mailcmd_count = 0;
1284 FILE *smtp_out = NULL;
1285 uschar *smtp_etrn_command = NULL;
1286 BOOL smtp_etrn_serialize = TRUE;
1287 int smtp_max_synprot_errors= 3;
1288 int smtp_max_unknown_commands = 3;
1289 uschar *smtp_notquit_reason = NULL;
1290 uschar *smtp_ratelimit_hosts = NULL;
1291 uschar *smtp_ratelimit_mail = NULL;
1292 uschar *smtp_ratelimit_rcpt = NULL;
1293 uschar *smtp_read_error = US"";
1294 int smtp_receive_timeout = 5*60;
1295 uschar *smtp_receive_timeout_s = NULL;
1296 uschar *smtp_reserve_hosts = NULL;
1297 BOOL smtp_return_error_details = FALSE;
1298 int smtp_rlm_base = 0;
1299 double smtp_rlm_factor = 0.0;
1300 int smtp_rlm_limit = 0;
1301 int smtp_rlm_threshold = INT_MAX;
1302 int smtp_rlr_base = 0;
1303 double smtp_rlr_factor = 0.0;
1304 int smtp_rlr_limit = 0;
1305 int smtp_rlr_threshold = INT_MAX;
1306 BOOL smtp_use_pipelining = FALSE;
1307 BOOL smtp_use_size = FALSE;
1308 #ifdef EXPERIMENTAL_INTERNATIONAL
1309 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1310 #endif
1311
1312 #ifdef WITH_CONTENT_SCAN
1313 uschar *spamd_address = US"127.0.0.1 783";
1314 uschar *spam_bar = NULL;
1315 uschar *spam_report = NULL;
1316 uschar *spam_action = NULL;
1317 uschar *spam_score = NULL;
1318 uschar *spam_score_int = NULL;
1319 #endif
1320 #ifdef EXPERIMENTAL_SPF
1321 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1322 uschar *spf_header_comment = NULL;
1323 uschar *spf_received = NULL;
1324 uschar *spf_result = NULL;
1325 uschar *spf_smtp_comment = NULL;
1326 #endif
1327
1328 BOOL split_spool_directory = FALSE;
1329 uschar *spool_directory = US SPOOL_DIRECTORY
1330 "\0<--------------Space to patch spool_directory->";
1331 #ifdef EXPERIMENTAL_SRS
1332 uschar *srs_config = NULL;
1333 uschar *srs_db_address = NULL;
1334 uschar *srs_db_key = NULL;
1335 int srs_hashlength = 6;
1336 int srs_hashmin = -1;
1337 int srs_maxage = 31;
1338 uschar *srs_orig_recipient = NULL;
1339 uschar *srs_orig_sender = NULL;
1340 uschar *srs_recipient = NULL;
1341 uschar *srs_secrets = NULL;
1342 uschar *srs_status = NULL;
1343 BOOL srs_usehash = TRUE;
1344 BOOL srs_usetimestamp = TRUE;
1345 #endif
1346 BOOL strict_acl_vars = FALSE;
1347 int string_datestamp_offset= -1;
1348 int string_datestamp_length= 0;
1349 int string_datestamp_type = -1;
1350 BOOL strip_excess_angle_brackets = FALSE;
1351 BOOL strip_trailing_dot = FALSE;
1352 uschar *submission_domain = NULL;
1353 BOOL submission_mode = FALSE;
1354 uschar *submission_name = NULL;
1355 BOOL suppress_local_fixups = FALSE;
1356 BOOL suppress_local_fixups_default = FALSE;
1357 BOOL synchronous_delivery = FALSE;
1358 BOOL syslog_duplication = TRUE;
1359 int syslog_facility = LOG_MAIL;
1360 uschar *syslog_processname = US"exim";
1361 BOOL syslog_timestamp = TRUE;
1362 uschar *system_filter = NULL;
1363
1364 uschar *system_filter_directory_transport = NULL;
1365 uschar *system_filter_file_transport = NULL;
1366 uschar *system_filter_pipe_transport = NULL;
1367 uschar *system_filter_reply_transport = NULL;
1368
1369 gid_t system_filter_gid = 0;
1370 BOOL system_filter_gid_set = FALSE;
1371 uid_t system_filter_uid = (uid_t)-1;
1372 BOOL system_filter_uid_set = FALSE;
1373 BOOL system_filtering = FALSE;
1374
1375 BOOL tcp_nodelay = TRUE;
1376 #ifdef USE_TCP_WRAPPERS
1377 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1378 #endif
1379 int test_harness_load_avg = 0;
1380 int thismessage_size_limit = 0;
1381 int timeout_frozen_after = 0;
1382 BOOL timestamps_utc = FALSE;
1383
1384 transport_instance *transports = NULL;
1385
1386 transport_instance transport_defaults = {
1387 NULL, /* chain pointer */
1388 NULL, /* name */
1389 NULL, /* info */
1390 NULL, /* private options block pointer */
1391 NULL, /* driver name */
1392 NULL, /* setup entry point */
1393 1, /* batch_max */
1394 NULL, /* batch_id */
1395 NULL, /* home_dir */
1396 NULL, /* current_dir */
1397 NULL, /* expand-multi-domain */
1398 TRUE, /* multi-domain */
1399 FALSE, /* overrides_hosts */
1400 100, /* max_addresses */
1401 500, /* connection_max_messages */
1402 FALSE, /* deliver_as_creator */
1403 FALSE, /* disable_logging */
1404 FALSE, /* initgroups */
1405 FALSE, /* uid_set */
1406 FALSE, /* gid_set */
1407 (uid_t)(-1), /* uid */
1408 (gid_t)(-1), /* gid */
1409 NULL, /* expand_uid */
1410 NULL, /* expand_gid */
1411 NULL, /* warn_message */
1412 NULL, /* shadow */
1413 NULL, /* shadow_condition */
1414 NULL, /* filter_command */
1415 NULL, /* add_headers */
1416 NULL, /* remove_headers */
1417 NULL, /* return_path */
1418 NULL, /* debug_string */
1419 NULL, /* message_size_limit */
1420 NULL, /* headers_rewrite */
1421 NULL, /* rewrite_rules */
1422 0, /* rewrite_existflags */
1423 300, /* filter_timeout */
1424 FALSE, /* body_only */
1425 FALSE, /* delivery_date_add */
1426 FALSE, /* envelope_to_add */
1427 FALSE, /* headers_only */
1428 FALSE, /* rcpt_include_affixes */
1429 FALSE, /* return_path_add */
1430 FALSE, /* return_output */
1431 FALSE, /* return_fail_output */
1432 FALSE, /* log_output */
1433 FALSE, /* log_fail_output */
1434 FALSE, /* log_defer_output */
1435 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1436 1 nor 0 so can detect unset */
1437 #ifdef EXPERIMENTAL_EVENT
1438 ,NULL /* event_action */
1439 #endif
1440 };
1441
1442 int transport_count;
1443 uschar *transport_name = NULL;
1444 int transport_newlines;
1445 const uschar **transport_filter_argv = NULL;
1446 int transport_filter_timeout;
1447 BOOL transport_filter_timed_out = FALSE;
1448 int transport_write_timeout= 0;
1449
1450 tree_node *tree_dns_fails = NULL;
1451 tree_node *tree_duplicates = NULL;
1452 tree_node *tree_nonrecipients = NULL;
1453 tree_node *tree_unusable = NULL;
1454
1455 BOOL trusted_caller = FALSE;
1456 BOOL trusted_config = TRUE;
1457 gid_t *trusted_groups = NULL;
1458 uid_t *trusted_users = NULL;
1459 uschar *timezone_string = US TIMEZONE_DEFAULT;
1460
1461 uschar *unknown_login = NULL;
1462 uschar *unknown_username = NULL;
1463 uschar *untrusted_set_sender = NULL;
1464
1465 /* A regex for matching a "From_" line in an incoming message, in the form
1466
1467 From ph10 Fri Jan 5 12:35 GMT 1996
1468
1469 which the "mail" commands send to the MTA (undocumented, of course), or in
1470 the form
1471
1472 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1473
1474 which is apparently used by some UUCPs, despite it not being in RFC 976.
1475 Because of variations in time formats, just match up to the minutes. That
1476 should be sufficient. Examples have been seen of time fields like 12:1:03,
1477 so just require one digit for hours and minutes. The weekday is also absent
1478 in some forms. */
1479
1480 uschar *uucp_from_pattern = US
1481 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1482 "(?:" /* Non-extracting bracket */
1483 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1484 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1485 ")" /* End alternation */
1486 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1487
1488 uschar *uucp_from_sender = US"$1";
1489
1490 uschar *verify_mode = NULL;
1491 uschar *version_copyright =
1492 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1493 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1494 uschar *version_date = US"?";
1495 uschar *version_cnumber = US"????";
1496 uschar *version_string = US"?";
1497
1498 uschar *warn_message_file = NULL;
1499 int warning_count = 0;
1500 uschar *warnmsg_delay = NULL;
1501 uschar *warnmsg_recipients = NULL;
1502 BOOL write_rejectlog = TRUE;
1503
1504
1505 /* End of globals.c */
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