Redis: move from Experimental to mainline
[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 LOOKUP_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 SUPPORT_I18N
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 SUPPORT_I18N
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 BOOL dkim_collect_input = FALSE;
641 uschar *dkim_cur_signer = NULL;
642 BOOL dkim_disable_verify = FALSE;
643 int dkim_key_length = 0;
644 uschar *dkim_signers = NULL;
645 uschar *dkim_signing_domain = NULL;
646 uschar *dkim_signing_selector = NULL;
647 uschar *dkim_verify_signers = US"$dkim_signers";
648 #endif
649 #ifdef EXPERIMENTAL_DMARC
650 BOOL dmarc_has_been_checked = FALSE;
651 uschar *dmarc_ar_header = NULL;
652 uschar *dmarc_domain_policy = NULL;
653 uschar *dmarc_forensic_sender = NULL;
654 uschar *dmarc_history_file = NULL;
655 uschar *dmarc_status = NULL;
656 uschar *dmarc_status_text = NULL;
657 uschar *dmarc_tld_file = NULL;
658 uschar *dmarc_used_domain = NULL;
659 BOOL dmarc_disable_verify = FALSE;
660 BOOL dmarc_enable_forensic = FALSE;
661 #endif
662
663 uschar *dns_again_means_nonexist = NULL;
664 int dns_csa_search_limit = 5;
665 BOOL dns_csa_use_reverse = TRUE;
666 #ifdef EXPERIMENTAL_DANE
667 int dns_dane_ok = -1;
668 #endif
669 uschar *dns_ipv4_lookup = NULL;
670 int dns_retrans = 0;
671 int dns_retry = 0;
672 int dns_dnssec_ok = -1; /* <0 = not coerced */
673 uschar *dns_trust_aa = NULL;
674 int dns_use_edns0 = -1; /* <0 = not coerced */
675 uschar *dnslist_domain = NULL;
676 uschar *dnslist_matched = NULL;
677 uschar *dnslist_text = NULL;
678 uschar *dnslist_value = NULL;
679 tree_node *domainlist_anchor = NULL;
680 int domainlist_count = 0;
681 BOOL dont_deliver = FALSE;
682 BOOL dot_ends = TRUE;
683 BOOL drop_cr = FALSE; /* No longer used */
684 uschar *dsn_from = US DEFAULT_DSN_FROM;
685
686 BOOL enable_dollar_recipients = FALSE;
687 BOOL envelope_to_remove = TRUE;
688 int errno_quota = ERRNO_QUOTA;
689 uschar *errors_copy = NULL;
690 int error_handling = ERRORS_SENDER;
691 uschar *errors_reply_to = NULL;
692 int errors_sender_rc = EXIT_FAILURE;
693 #ifndef DISABLE_EVENT
694 uschar *event_action = NULL; /* expansion for delivery events */
695 uschar *event_data = NULL; /* auxilary data variable for event */
696 int event_defer_errno = 0;
697 const uschar *event_name = NULL; /* event name variable */
698 #endif
699
700
701 gid_t exim_gid = EXIM_GID;
702 BOOL exim_gid_set = TRUE; /* This gid is always set */
703 uschar *exim_path = US BIN_DIRECTORY "/exim"
704 "\0<---------------Space to patch exim_path->";
705 uid_t exim_uid = EXIM_UID;
706 BOOL exim_uid_set = TRUE; /* This uid is always set */
707 int expand_forbid = 0;
708 int expand_nlength[EXPAND_MAXN+1];
709 int expand_nmax = -1;
710 uschar *expand_nstring[EXPAND_MAXN+1];
711 BOOL expand_string_forcedfail = FALSE;
712 uschar *expand_string_message;
713 BOOL extract_addresses_remove_arguments = TRUE;
714 uschar *extra_local_interfaces = NULL;
715
716 int fake_response = OK;
717 uschar *fake_response_text = US"Your message has been rejected but is "
718 "being kept for evaluation.\nIf it was a "
719 "legitimate message, it may still be "
720 "delivered to the target recipient(s).";
721 int filter_n[FILTER_VARIABLE_COUNT];
722 BOOL filter_running = FALSE;
723 int filter_sn[FILTER_VARIABLE_COUNT];
724 int filter_test = FTEST_NONE;
725 uschar *filter_test_sfile = NULL;
726 uschar *filter_test_ufile = NULL;
727 uschar *filter_thisaddress = NULL;
728 int finduser_retries = 0;
729 #ifdef WITH_OLD_DEMIME
730 uschar *found_extension = NULL;
731 #endif
732 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
733 uschar *freeze_tell = NULL;
734 uschar *freeze_tell_config = NULL;
735 uschar *fudged_queue_times = US"";
736
737 uschar *gecos_name = NULL;
738 uschar *gecos_pattern = NULL;
739 rewrite_rule *global_rewrite_rules = NULL;
740
741 uschar *headers_charset = US HEADERS_CHARSET;
742 int header_insert_maxlen = 64 * 1024;
743 header_line *header_last = NULL;
744 header_line *header_list = NULL;
745 int header_maxsize = HEADER_MAXSIZE;
746 int header_line_maxsize = 0;
747
748 header_name header_names[] = {
749 { US"bcc", 3, TRUE, htype_bcc },
750 { US"cc", 2, TRUE, htype_cc },
751 { US"date", 4, TRUE, htype_date },
752 { US"delivery-date", 13, FALSE, htype_delivery_date },
753 { US"envelope-to", 11, FALSE, htype_envelope_to },
754 { US"from", 4, TRUE, htype_from },
755 { US"message-id", 10, TRUE, htype_id },
756 { US"received", 8, FALSE, htype_received },
757 { US"reply-to", 8, FALSE, htype_reply_to },
758 { US"return-path", 11, FALSE, htype_return_path },
759 { US"sender", 6, TRUE, htype_sender },
760 { US"subject", 7, FALSE, htype_subject },
761 { US"to", 2, TRUE, htype_to }
762 };
763
764 int header_names_size = sizeof(header_names)/sizeof(header_name);
765
766 BOOL header_rewritten = FALSE;
767 uschar *helo_accept_junk_hosts = NULL;
768 uschar *helo_allow_chars = US"";
769 uschar *helo_lookup_domains = US"@ : @[]";
770 uschar *helo_try_verify_hosts = NULL;
771 BOOL helo_verified = FALSE;
772 BOOL helo_verify_failed = FALSE;
773 uschar *helo_verify_hosts = NULL;
774 const uschar *hex_digits = CUS"0123456789abcdef";
775 uschar *hold_domains = NULL;
776 BOOL host_checking = FALSE;
777 BOOL host_checking_callout = FALSE;
778 uschar *host_data = NULL;
779 BOOL host_find_failed_syntax= FALSE;
780 uschar *host_lookup = NULL;
781 BOOL host_lookup_deferred = FALSE;
782 BOOL host_lookup_failed = FALSE;
783 uschar *host_lookup_order = US"bydns:byaddr";
784 uschar *host_lookup_msg = US"";
785 int host_number = 0;
786 uschar *host_number_string = NULL;
787 uschar *host_reject_connection = NULL;
788 tree_node *hostlist_anchor = NULL;
789 int hostlist_count = 0;
790 uschar *hosts_treat_as_local = NULL;
791 uschar *hosts_connection_nolog = NULL;
792
793 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
794 BOOL ignore_fromline_local = FALSE;
795 uschar *ignore_fromline_hosts = NULL;
796 BOOL inetd_wait_mode = FALSE;
797 int inetd_wait_timeout = -1;
798 uschar *interface_address = NULL;
799 int interface_port = -1;
800 BOOL is_inetd = FALSE;
801 uschar *iterate_item = NULL;
802
803 int journal_fd = -1;
804
805 int keep_malformed = 4*24*60*60; /* 4 days */
806
807 uschar *eldap_dn = NULL;
808 int load_average = -2;
809 BOOL local_error_message = FALSE;
810 BOOL local_from_check = TRUE;
811 uschar *local_from_prefix = NULL;
812 uschar *local_from_suffix = NULL;
813
814 #if HAVE_IPV6
815 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
816 #else
817 uschar *local_interfaces = US"0.0.0.0";
818 #endif
819
820 uschar *local_scan_data = NULL;
821 int local_scan_timeout = 5*60;
822 BOOL local_sender_retain = FALSE;
823 gid_t local_user_gid = (gid_t)(-1);
824 uid_t local_user_uid = (uid_t)(-1);
825
826 tree_node *localpartlist_anchor= NULL;
827 int localpartlist_count = 0;
828 uschar *log_buffer = NULL;
829
830 int log_default[] = { /* for initializing log_selector */
831 Li_acl_warn_skipped,
832 Li_connection_reject,
833 Li_delay_delivery,
834 Li_dnslist_defer,
835 Li_etrn,
836 Li_host_lookup_failed,
837 Li_lost_incoming_connection,
838 Li_outgoing_interface, /* see d_log_interface in deliver.c */
839 Li_queue_run,
840 Li_rejected_header,
841 Li_retry_defer,
842 Li_sender_verify_fail,
843 Li_size_reject,
844 Li_skip_delivery,
845 Li_smtp_confirmation,
846 Li_tls_certificate_verified,
847 Li_tls_cipher,
848 -1
849 };
850
851 uschar *log_file_path = US LOG_FILE_PATH
852 "\0<--------------Space to patch log_file_path->";
853
854 int log_notall[] = {
855 -1
856 };
857 bit_table log_options[] = { /* must be in alphabetical order */
858 BIT_TABLE(L, 8bitmime),
859 BIT_TABLE(L, acl_warn_skipped),
860 BIT_TABLE(L, address_rewrite),
861 BIT_TABLE(L, all),
862 BIT_TABLE(L, all_parents),
863 BIT_TABLE(L, arguments),
864 BIT_TABLE(L, connection_reject),
865 BIT_TABLE(L, delay_delivery),
866 BIT_TABLE(L, deliver_time),
867 BIT_TABLE(L, delivery_size),
868 BIT_TABLE(L, dnslist_defer),
869 BIT_TABLE(L, etrn),
870 BIT_TABLE(L, host_lookup_failed),
871 BIT_TABLE(L, ident_timeout),
872 BIT_TABLE(L, incoming_interface),
873 BIT_TABLE(L, incoming_port),
874 BIT_TABLE(L, lost_incoming_connection),
875 BIT_TABLE(L, outgoing_interface),
876 BIT_TABLE(L, outgoing_port),
877 BIT_TABLE(L, pid),
878 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
879 BIT_TABLE(L, proxy),
880 #endif
881 BIT_TABLE(L, queue_run),
882 BIT_TABLE(L, queue_time),
883 BIT_TABLE(L, queue_time_overall),
884 BIT_TABLE(L, received_recipients),
885 BIT_TABLE(L, received_sender),
886 BIT_TABLE(L, rejected_header),
887 { US"rejected_headers", Li_rejected_header },
888 BIT_TABLE(L, retry_defer),
889 BIT_TABLE(L, return_path_on_delivery),
890 BIT_TABLE(L, sender_on_delivery),
891 BIT_TABLE(L, sender_verify_fail),
892 BIT_TABLE(L, size_reject),
893 BIT_TABLE(L, skip_delivery),
894 BIT_TABLE(L, smtp_confirmation),
895 BIT_TABLE(L, smtp_connection),
896 BIT_TABLE(L, smtp_incomplete_transaction),
897 BIT_TABLE(L, smtp_mailauth),
898 BIT_TABLE(L, smtp_no_mail),
899 BIT_TABLE(L, smtp_protocol_error),
900 BIT_TABLE(L, smtp_syntax_error),
901 BIT_TABLE(L, subject),
902 BIT_TABLE(L, tls_certificate_verified),
903 BIT_TABLE(L, tls_cipher),
904 BIT_TABLE(L, tls_peerdn),
905 BIT_TABLE(L, tls_sni),
906 BIT_TABLE(L, unknown_in_list),
907 };
908 int log_options_count = nelem(log_options);
909
910 int log_reject_target = 0;
911 unsigned int log_selector[log_selector_size]; /* initialized in main() */
912 uschar *log_selector_string = NULL;
913 FILE *log_stderr = NULL;
914 BOOL log_testing_mode = FALSE;
915 BOOL log_timezone = FALSE;
916 uschar *login_sender_address = NULL;
917 uschar *lookup_dnssec_authenticated = NULL;
918 int lookup_open_max = 25;
919 uschar *lookup_value = NULL;
920
921 macro_item *macros = NULL;
922 uschar *mailstore_basename = NULL;
923 #ifdef WITH_CONTENT_SCAN
924 uschar *malware_name = NULL; /* Virus Name */
925 #endif
926 int max_received_linelength= 0;
927 int max_username_length = 0;
928 int message_age = 0;
929 uschar *message_body = NULL;
930 uschar *message_body_end = NULL;
931 BOOL message_body_newlines = FALSE;
932 int message_body_size = 0;
933 int message_body_visible = 500;
934 int message_ended = END_NOTSTARTED;
935 uschar *message_headers = NULL;
936 uschar *message_id;
937 uschar *message_id_domain = NULL;
938 uschar *message_id_text = NULL;
939 struct timeval message_id_tv = { 0, 0 };
940 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
941 uschar *message_id_external;
942 int message_linecount = 0;
943 BOOL message_logs = TRUE;
944 int message_size = 0;
945 uschar *message_size_limit = US"50M";
946 #ifdef SUPPORT_I18N
947 BOOL message_smtputf8 = FALSE;
948 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
949 #endif
950 uschar message_subdir[2] = { 0, 0 };
951 uschar *message_reference = NULL;
952
953 /* MIME ACL expandables */
954 #ifdef WITH_CONTENT_SCAN
955 int mime_anomaly_level = 0;
956 const uschar *mime_anomaly_text = NULL;
957 uschar *mime_boundary = NULL;
958 uschar *mime_charset = NULL;
959 uschar *mime_content_description = NULL;
960 uschar *mime_content_disposition = NULL;
961 uschar *mime_content_id = NULL;
962 unsigned int mime_content_size = 0;
963 uschar *mime_content_transfer_encoding = NULL;
964 uschar *mime_content_type = NULL;
965 uschar *mime_decoded_filename = NULL;
966 uschar *mime_filename = NULL;
967 int mime_is_multipart = 0;
968 int mime_is_coverletter = 0;
969 int mime_is_rfc822 = 0;
970 int mime_part_count = -1;
971 #endif
972
973 BOOL mua_wrapper = FALSE;
974
975 uid_t *never_users = NULL;
976 #ifdef WITH_CONTENT_SCAN
977 BOOL no_mbox_unspool = FALSE;
978 #endif
979 BOOL no_multiline_responses = FALSE;
980
981 uid_t original_euid;
982 gid_t originator_gid;
983 uschar *originator_login = NULL;
984 uschar *originator_name = NULL;
985 uid_t originator_uid;
986 uschar *override_local_interfaces = NULL;
987 uschar *override_pid_file_path = NULL;
988
989 BOOL parse_allow_group = FALSE;
990 BOOL parse_found_group = FALSE;
991 uschar *percent_hack_domains = NULL;
992 uschar *pid_file_path = US PID_FILE_PATH
993 "\0<--------------Space to patch pid_file_path->";
994 BOOL pipelining_enable = TRUE;
995 uschar *pipelining_advertise_hosts = US"*";
996 BOOL preserve_message_logs = FALSE;
997 uschar *primary_hostname = NULL;
998 BOOL print_topbitchars = FALSE;
999 uschar process_info[PROCESS_INFO_SIZE];
1000 int process_info_len = 0;
1001 uschar *process_log_path = NULL;
1002 BOOL prod_requires_admin = TRUE;
1003
1004 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1005 uschar *hosts_proxy = US"";
1006 uschar *proxy_external_address = US"";
1007 int proxy_external_port = 0;
1008 uschar *proxy_local_address = US"";
1009 int proxy_local_port = 0;
1010 BOOL proxy_session = FALSE;
1011 BOOL proxy_session_failed = FALSE;
1012 #endif
1013
1014 uschar *prvscheck_address = NULL;
1015 uschar *prvscheck_keynum = NULL;
1016 uschar *prvscheck_result = NULL;
1017
1018
1019 const uschar *qualify_domain_recipient = NULL;
1020 uschar *qualify_domain_sender = NULL;
1021 BOOL queue_2stage = FALSE;
1022 uschar *queue_domains = NULL;
1023 int queue_interval = -1;
1024 BOOL queue_list_requires_admin = TRUE;
1025 BOOL queue_only = FALSE;
1026 uschar *queue_only_file = NULL;
1027 int queue_only_load = -1;
1028 BOOL queue_only_load_latch = TRUE;
1029 BOOL queue_only_override = TRUE;
1030 BOOL queue_only_policy = FALSE;
1031 BOOL queue_run_first_delivery = FALSE;
1032 BOOL queue_run_force = FALSE;
1033 BOOL queue_run_in_order = FALSE;
1034 BOOL queue_run_local = FALSE;
1035 int queue_run_max = 5;
1036 pid_t queue_run_pid = (pid_t)0;
1037 int queue_run_pipe = -1;
1038 BOOL queue_running = FALSE;
1039 BOOL queue_smtp = FALSE;
1040 uschar *queue_smtp_domains = NULL;
1041
1042 unsigned int random_seed = 0;
1043 tree_node *ratelimiters_cmd = NULL;
1044 tree_node *ratelimiters_conn = NULL;
1045 tree_node *ratelimiters_mail = NULL;
1046 uschar *raw_active_hostname = NULL;
1047 uschar *raw_sender = NULL;
1048 uschar **raw_recipients = NULL;
1049 int raw_recipients_count = 0;
1050
1051 int rcpt_count = 0;
1052 int rcpt_fail_count = 0;
1053 int rcpt_defer_count = 0;
1054 gid_t real_gid;
1055 uid_t real_uid;
1056 BOOL really_exim = TRUE;
1057 BOOL receive_call_bombout = FALSE;
1058 int receive_linecount = 0;
1059 int receive_messagecount = 0;
1060 int receive_timeout = 0;
1061 int received_count = 0;
1062 uschar *received_for = NULL;
1063
1064 /* This is the default text for Received headers generated by Exim. The
1065 date will be automatically added on the end. */
1066
1067 uschar *received_header_text = US
1068 "Received: "
1069 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1070 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1071 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1072 "by $primary_hostname "
1073 "${if def:received_protocol {with $received_protocol}} "
1074 #ifdef SUPPORT_TLS
1075 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1076 #endif
1077 "(Exim $version_number)\n\t"
1078 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1079 "id $message_exim_id"
1080 "${if def:received_for {\n\tfor $received_for}}"
1081 "\0<---------------Space to patch received_header_text->";
1082
1083 int received_headers_max = 30;
1084 uschar *received_protocol = NULL;
1085 int received_time = 0;
1086 uschar *recipient_data = NULL;
1087 uschar *recipient_unqualified_hosts = NULL;
1088 uschar *recipient_verify_failure = NULL;
1089 int recipients_count = 0;
1090 BOOL recipients_discarded = FALSE;
1091 recipient_item *recipients_list = NULL;
1092 int recipients_list_max = 0;
1093 int recipients_max = 0;
1094 BOOL recipients_max_reject = FALSE;
1095 const pcre *regex_AUTH = NULL;
1096 const pcre *regex_check_dns_names = NULL;
1097 const pcre *regex_From = NULL;
1098 const pcre *regex_IGNOREQUOTA = NULL;
1099 const pcre *regex_PIPELINING = NULL;
1100 const pcre *regex_SIZE = NULL;
1101 const pcre *regex_ismsgid = NULL;
1102 const pcre *regex_smtp_code = NULL;
1103 uschar *regex_vars[REGEX_VARS];
1104 #ifdef WHITELIST_D_MACROS
1105 const pcre *regex_whitelisted_macro = NULL;
1106 #endif
1107 #ifdef WITH_CONTENT_SCAN
1108 uschar *regex_match_string = NULL;
1109 #endif
1110 int remote_delivery_count = 0;
1111 int remote_max_parallel = 2;
1112 uschar *remote_sort_domains = NULL;
1113 int retry_data_expire = 7*24*60*60;
1114 int retry_interval_max = 24*60*60;
1115 int retry_maximum_timeout = 0; /* set from retry config */
1116 retry_config *retries = NULL;
1117 uschar *return_path = NULL;
1118 BOOL return_path_remove = TRUE;
1119 int rewrite_existflags = 0;
1120 uschar *rfc1413_hosts = US"@[]";
1121 int rfc1413_query_timeout = 0;
1122 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1123 uid_t root_gid = ROOT_GID;
1124 uid_t root_uid = ROOT_UID;
1125
1126 router_instance *routers = NULL;
1127 router_instance router_defaults = {
1128 NULL, /* chain pointer */
1129 NULL, /* name */
1130 NULL, /* info */
1131 NULL, /* private options block pointer */
1132 NULL, /* driver name */
1133
1134 NULL, /* address_data */
1135 #ifdef EXPERIMENTAL_BRIGHTMAIL
1136 NULL, /* bmi_rule */
1137 #endif
1138 NULL, /* cannot_route_message */
1139 NULL, /* condition */
1140 NULL, /* current_directory */
1141 NULL, /* debug_string */
1142 NULL, /* domains */
1143 NULL, /* errors_to */
1144 NULL, /* expand_gid */
1145 NULL, /* expand_uid */
1146 NULL, /* expand_more */
1147 NULL, /* expand_unseen */
1148 NULL, /* extra_headers */
1149 NULL, /* fallback_hosts */
1150 NULL, /* home_directory */
1151 NULL, /* ignore_target_hosts */
1152 NULL, /* local_parts */
1153 NULL, /* pass_router_name */
1154 NULL, /* prefix */
1155 NULL, /* redirect_router_name */
1156 NULL, /* remove_headers */
1157 NULL, /* require_files */
1158 NULL, /* router_home_directory */
1159 US"freeze", /* self */
1160 NULL, /* senders */
1161 NULL, /* suffix */
1162 NULL, /* translate_ip_address */
1163 NULL, /* transport_name */
1164
1165 TRUE, /* address_test */
1166 #ifdef EXPERIMENTAL_BRIGHTMAIL
1167 FALSE, /* bmi_deliver_alternate */
1168 FALSE, /* bmi_deliver_default */
1169 FALSE, /* bmi_dont_deliver */
1170 #endif
1171 TRUE, /* expn */
1172 FALSE, /* caseful_local_part */
1173 FALSE, /* check_local_user */
1174 FALSE, /* disable_logging */
1175 FALSE, /* fail_verify_recipient */
1176 FALSE, /* fail_verify_sender */
1177 FALSE, /* gid_set */
1178 FALSE, /* initgroups */
1179 TRUE_UNSET, /* log_as_local */
1180 TRUE, /* more */
1181 FALSE, /* pass_on_timeout */
1182 FALSE, /* prefix_optional */
1183 TRUE, /* repeat_use */
1184 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1185 FALSE, /* same_domain_copy_routing */
1186 FALSE, /* self_rewrite */
1187 FALSE, /* suffix_optional */
1188 FALSE, /* verify_only */
1189 TRUE, /* verify_recipient */
1190 TRUE, /* verify_sender */
1191 FALSE, /* uid_set */
1192 FALSE, /* unseen */
1193 FALSE, /* dsn_lasthop */
1194
1195 self_freeze, /* self_code */
1196 (uid_t)(-1), /* uid */
1197 (gid_t)(-1), /* gid */
1198
1199 NULL, /* fallback_hostlist */
1200 NULL, /* transport instance */
1201 NULL, /* pass_router */
1202 NULL, /* redirect_router */
1203
1204 { NULL, NULL }, /* dnssec_domains {require,request} */
1205 };
1206
1207 uschar *router_name = NULL;
1208
1209 ip_address_item *running_interfaces = NULL;
1210 BOOL running_in_test_harness = FALSE;
1211
1212 /* This is a weird one. The following string gets patched in the binary by the
1213 script that sets up a copy of Exim for running in the test harness. It seems
1214 that compilers are now clever, and share constant strings if they can.
1215 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1216 make use of the end of this string in order to save space. So the patching then
1217 wrecks this. We defeat this optimization by adding some additional characters
1218 onto the end of the string. */
1219
1220 uschar *running_status = US">>>running<<<" "\0EXTRA";
1221
1222 int runrc = 0;
1223
1224 uschar *search_error_message = NULL;
1225 BOOL search_find_defer = FALSE;
1226 uschar *self_hostname = NULL;
1227 uschar *sender_address = NULL;
1228 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1229 uschar *sender_address_data = NULL;
1230 BOOL sender_address_forced = FALSE;
1231 uschar *sender_address_unrewritten = NULL;
1232 uschar *sender_data = NULL;
1233 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1234 uschar *sender_fullhost = NULL;
1235 BOOL sender_helo_dnssec = FALSE;
1236 uschar *sender_helo_name = NULL;
1237 uschar **sender_host_aliases = &no_aliases;
1238 uschar *sender_host_address = NULL;
1239 uschar *sender_host_authenticated = NULL;
1240 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1241 BOOL sender_host_dnssec = FALSE;
1242 uschar *sender_host_name = NULL;
1243 int sender_host_port = 0;
1244 BOOL sender_host_notsocket = FALSE;
1245 BOOL sender_host_unknown = FALSE;
1246 uschar *sender_ident = NULL;
1247 BOOL sender_local = FALSE;
1248 BOOL sender_name_forced = FALSE;
1249 uschar *sender_rate = NULL;
1250 uschar *sender_rate_limit = NULL;
1251 uschar *sender_rate_period = NULL;
1252 uschar *sender_rcvhost = NULL;
1253 BOOL sender_set_untrusted = FALSE;
1254 uschar *sender_unqualified_hosts = NULL;
1255 uschar *sender_verify_failure = NULL;
1256 address_item *sender_verified_list = NULL;
1257 address_item *sender_verified_failed = NULL;
1258 int sender_verified_rc = -1;
1259 BOOL sender_verified_responded = FALSE;
1260 uschar *sending_ip_address = NULL;
1261 int sending_port = -1;
1262 SIGNAL_BOOL sigalrm_seen = FALSE;
1263 uschar **sighup_argv = NULL;
1264 int slow_lookup_log = 0; /* millisecs, zero disables */
1265 int smtp_accept_count = 0;
1266 BOOL smtp_accept_keepalive = TRUE;
1267 int smtp_accept_max = 20;
1268 int smtp_accept_max_nonmail= 10;
1269 uschar *smtp_accept_max_nonmail_hosts = US"*";
1270 int smtp_accept_max_per_connection = 1000;
1271 uschar *smtp_accept_max_per_host = NULL;
1272 int smtp_accept_queue = 0;
1273 int smtp_accept_queue_per_connection = 10;
1274 int smtp_accept_reserve = 0;
1275 uschar *smtp_active_hostname = NULL;
1276 BOOL smtp_authenticated = FALSE;
1277 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1278 "Exim $version_number $tod_full"
1279 "\0<---------------Space to patch smtp_banner->";
1280 BOOL smtp_batched_input = FALSE;
1281 BOOL smtp_check_spool_space = TRUE;
1282 int smtp_ch_index = 0;
1283 uschar *smtp_cmd_argument = NULL;
1284 uschar *smtp_cmd_buffer = NULL;
1285 time_t smtp_connection_start = 0;
1286 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1287 int smtp_connect_backlog = 20;
1288 double smtp_delay_mail = 0.0;
1289 double smtp_delay_rcpt = 0.0;
1290 BOOL smtp_enforce_sync = TRUE;
1291 FILE *smtp_in = NULL;
1292 BOOL smtp_input = FALSE;
1293 int smtp_load_reserve = -1;
1294 int smtp_mailcmd_count = 0;
1295 FILE *smtp_out = NULL;
1296 uschar *smtp_etrn_command = NULL;
1297 BOOL smtp_etrn_serialize = TRUE;
1298 int smtp_max_synprot_errors= 3;
1299 int smtp_max_unknown_commands = 3;
1300 uschar *smtp_notquit_reason = NULL;
1301 uschar *smtp_ratelimit_hosts = NULL;
1302 uschar *smtp_ratelimit_mail = NULL;
1303 uschar *smtp_ratelimit_rcpt = NULL;
1304 uschar *smtp_read_error = US"";
1305 int smtp_receive_timeout = 5*60;
1306 uschar *smtp_receive_timeout_s = NULL;
1307 uschar *smtp_reserve_hosts = NULL;
1308 BOOL smtp_return_error_details = FALSE;
1309 int smtp_rlm_base = 0;
1310 double smtp_rlm_factor = 0.0;
1311 int smtp_rlm_limit = 0;
1312 int smtp_rlm_threshold = INT_MAX;
1313 int smtp_rlr_base = 0;
1314 double smtp_rlr_factor = 0.0;
1315 int smtp_rlr_limit = 0;
1316 int smtp_rlr_threshold = INT_MAX;
1317 BOOL smtp_use_pipelining = FALSE;
1318 BOOL smtp_use_size = FALSE;
1319 #ifdef SUPPORT_I18N
1320 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1321 #endif
1322
1323 #ifdef WITH_CONTENT_SCAN
1324 uschar *spamd_address = US"127.0.0.1 783";
1325 uschar *spam_bar = NULL;
1326 uschar *spam_report = NULL;
1327 uschar *spam_action = NULL;
1328 uschar *spam_score = NULL;
1329 uschar *spam_score_int = NULL;
1330 #endif
1331 #ifdef EXPERIMENTAL_SPF
1332 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1333 uschar *spf_header_comment = NULL;
1334 uschar *spf_received = NULL;
1335 uschar *spf_result = NULL;
1336 uschar *spf_smtp_comment = NULL;
1337 #endif
1338
1339 BOOL split_spool_directory = FALSE;
1340 uschar *spool_directory = US SPOOL_DIRECTORY
1341 "\0<--------------Space to patch spool_directory->";
1342 #ifdef EXPERIMENTAL_SRS
1343 uschar *srs_config = NULL;
1344 uschar *srs_db_address = NULL;
1345 uschar *srs_db_key = NULL;
1346 int srs_hashlength = 6;
1347 int srs_hashmin = -1;
1348 int srs_maxage = 31;
1349 uschar *srs_orig_recipient = NULL;
1350 uschar *srs_orig_sender = NULL;
1351 uschar *srs_recipient = NULL;
1352 uschar *srs_secrets = NULL;
1353 uschar *srs_status = NULL;
1354 BOOL srs_usehash = TRUE;
1355 BOOL srs_usetimestamp = TRUE;
1356 #endif
1357 BOOL strict_acl_vars = FALSE;
1358 int string_datestamp_offset= -1;
1359 int string_datestamp_length= 0;
1360 int string_datestamp_type = -1;
1361 BOOL strip_excess_angle_brackets = FALSE;
1362 BOOL strip_trailing_dot = FALSE;
1363 uschar *submission_domain = NULL;
1364 BOOL submission_mode = FALSE;
1365 uschar *submission_name = NULL;
1366 BOOL suppress_local_fixups = FALSE;
1367 BOOL suppress_local_fixups_default = FALSE;
1368 BOOL synchronous_delivery = FALSE;
1369 BOOL syslog_duplication = TRUE;
1370 int syslog_facility = LOG_MAIL;
1371 uschar *syslog_processname = US"exim";
1372 BOOL syslog_timestamp = TRUE;
1373 uschar *system_filter = NULL;
1374
1375 uschar *system_filter_directory_transport = NULL;
1376 uschar *system_filter_file_transport = NULL;
1377 uschar *system_filter_pipe_transport = NULL;
1378 uschar *system_filter_reply_transport = NULL;
1379
1380 gid_t system_filter_gid = 0;
1381 BOOL system_filter_gid_set = FALSE;
1382 uid_t system_filter_uid = (uid_t)-1;
1383 BOOL system_filter_uid_set = FALSE;
1384 BOOL system_filtering = FALSE;
1385
1386 BOOL tcp_nodelay = TRUE;
1387 #ifdef USE_TCP_WRAPPERS
1388 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1389 #endif
1390 int test_harness_load_avg = 0;
1391 int thismessage_size_limit = 0;
1392 int timeout_frozen_after = 0;
1393 BOOL timestamps_utc = FALSE;
1394
1395 transport_instance *transports = NULL;
1396
1397 transport_instance transport_defaults = {
1398 NULL, /* chain pointer */
1399 NULL, /* name */
1400 NULL, /* info */
1401 NULL, /* private options block pointer */
1402 NULL, /* driver name */
1403 NULL, /* setup entry point */
1404 1, /* batch_max */
1405 NULL, /* batch_id */
1406 NULL, /* home_dir */
1407 NULL, /* current_dir */
1408 NULL, /* expand-multi-domain */
1409 TRUE, /* multi-domain */
1410 FALSE, /* overrides_hosts */
1411 100, /* max_addresses */
1412 500, /* connection_max_messages */
1413 FALSE, /* deliver_as_creator */
1414 FALSE, /* disable_logging */
1415 FALSE, /* initgroups */
1416 FALSE, /* uid_set */
1417 FALSE, /* gid_set */
1418 (uid_t)(-1), /* uid */
1419 (gid_t)(-1), /* gid */
1420 NULL, /* expand_uid */
1421 NULL, /* expand_gid */
1422 NULL, /* warn_message */
1423 NULL, /* shadow */
1424 NULL, /* shadow_condition */
1425 NULL, /* filter_command */
1426 NULL, /* add_headers */
1427 NULL, /* remove_headers */
1428 NULL, /* return_path */
1429 NULL, /* debug_string */
1430 NULL, /* max_parallel */
1431 NULL, /* message_size_limit */
1432 NULL, /* headers_rewrite */
1433 NULL, /* rewrite_rules */
1434 0, /* rewrite_existflags */
1435 300, /* filter_timeout */
1436 FALSE, /* body_only */
1437 FALSE, /* delivery_date_add */
1438 FALSE, /* envelope_to_add */
1439 FALSE, /* headers_only */
1440 FALSE, /* rcpt_include_affixes */
1441 FALSE, /* return_path_add */
1442 FALSE, /* return_output */
1443 FALSE, /* return_fail_output */
1444 FALSE, /* log_output */
1445 FALSE, /* log_fail_output */
1446 FALSE, /* log_defer_output */
1447 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1448 1 nor 0 so can detect unset */
1449 #ifndef DISABLE_EVENT
1450 ,NULL /* event_action */
1451 #endif
1452 };
1453
1454 int transport_count;
1455 uschar *transport_name = NULL;
1456 int transport_newlines;
1457 const uschar **transport_filter_argv = NULL;
1458 int transport_filter_timeout;
1459 BOOL transport_filter_timed_out = FALSE;
1460 int transport_write_timeout= 0;
1461
1462 tree_node *tree_dns_fails = NULL;
1463 tree_node *tree_duplicates = NULL;
1464 tree_node *tree_nonrecipients = NULL;
1465 tree_node *tree_unusable = NULL;
1466
1467 BOOL trusted_caller = FALSE;
1468 BOOL trusted_config = TRUE;
1469 gid_t *trusted_groups = NULL;
1470 uid_t *trusted_users = NULL;
1471 uschar *timezone_string = US TIMEZONE_DEFAULT;
1472
1473 uschar *unknown_login = NULL;
1474 uschar *unknown_username = NULL;
1475 uschar *untrusted_set_sender = NULL;
1476
1477 /* A regex for matching a "From_" line in an incoming message, in the form
1478
1479 From ph10 Fri Jan 5 12:35 GMT 1996
1480
1481 which the "mail" commands send to the MTA (undocumented, of course), or in
1482 the form
1483
1484 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1485
1486 which is apparently used by some UUCPs, despite it not being in RFC 976.
1487 Because of variations in time formats, just match up to the minutes. That
1488 should be sufficient. Examples have been seen of time fields like 12:1:03,
1489 so just require one digit for hours and minutes. The weekday is also absent
1490 in some forms. */
1491
1492 uschar *uucp_from_pattern = US
1493 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1494 "(?:" /* Non-extracting bracket */
1495 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1496 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1497 ")" /* End alternation */
1498 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1499
1500 uschar *uucp_from_sender = US"$1";
1501
1502 uschar *verify_mode = NULL;
1503 uschar *version_copyright =
1504 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1505 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1506 uschar *version_date = US"?";
1507 uschar *version_cnumber = US"????";
1508 uschar *version_string = US"?";
1509
1510 uschar *warn_message_file = NULL;
1511 int warning_count = 0;
1512 uschar *warnmsg_delay = NULL;
1513 uschar *warnmsg_recipients = NULL;
1514 BOOL write_rejectlog = TRUE;
1515
1516
1517 /* End of globals.c */