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[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2014 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36 };
37
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef EXPERIMENTAL_REDIS
87 uschar *redis_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 #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 #ifdef EXPERIMENTAL_DSN
138 uschar *dsn_envid = NULL;
139 int dsn_ret = 0;
140 const pcre *regex_DSN = NULL;
141 BOOL smtp_use_dsn = FALSE;
142 uschar *dsn_advertise_hosts = NULL;
143 #endif
144
145 #ifdef SUPPORT_TLS
146 BOOL gnutls_compat_mode = FALSE;
147 BOOL gnutls_allow_auto_pkcs11 = FALSE;
148 uschar *gnutls_require_mac = NULL;
149 uschar *gnutls_require_kx = NULL;
150 uschar *gnutls_require_proto = NULL;
151 uschar *openssl_options = NULL;
152 const pcre *regex_STARTTLS = NULL;
153 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
154 uschar *tls_certificate = NULL;
155 uschar *tls_crl = NULL;
156 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
157 that's the interop problem which has been observed: GnuTLS suggesting a higher
158 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
159 int tls_dh_max_bits = 2236;
160 uschar *tls_dhparam = NULL;
161 #ifndef DISABLE_OCSP
162 uschar *tls_ocsp_file = NULL;
163 #endif
164 BOOL tls_offered = FALSE;
165 uschar *tls_privatekey = NULL;
166 BOOL tls_remember_esmtp = FALSE;
167 uschar *tls_require_ciphers = NULL;
168 uschar *tls_try_verify_hosts = NULL;
169 uschar *tls_verify_certificates= NULL;
170 uschar *tls_verify_hosts = NULL;
171 #endif
172
173 #ifndef DISABLE_PRDR
174 /* Per Recipient Data Response variables */
175 BOOL prdr_enable = FALSE;
176 BOOL prdr_requested = FALSE;
177 const pcre *regex_PRDR = NULL;
178 #endif
179
180 /* Input-reading functions for messages, so we can use special ones for
181 incoming TCP/IP. The defaults use stdin. We never need these for any
182 stand-alone tests. */
183
184 #ifndef STAND_ALONE
185 int (*receive_getc)(void) = stdin_getc;
186 int (*receive_ungetc)(int) = stdin_ungetc;
187 int (*receive_feof)(void) = stdin_feof;
188 int (*receive_ferror)(void) = stdin_ferror;
189 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
190 #endif
191
192
193 /* List of per-address expansion variables for clearing and saving/restoring
194 when verifying one address while routing/verifying another. We have to have
195 the size explicit, because it is referenced from more than one module. */
196
197 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
198 &deliver_address_data,
199 &deliver_domain,
200 &deliver_domain_data,
201 &deliver_domain_orig,
202 &deliver_domain_parent,
203 &deliver_localpart,
204 &deliver_localpart_data,
205 &deliver_localpart_orig,
206 &deliver_localpart_parent,
207 &deliver_localpart_prefix,
208 &deliver_localpart_suffix,
209 (uschar **)(&deliver_recipients),
210 &deliver_host,
211 &deliver_home,
212 &address_file,
213 &address_pipe,
214 &self_hostname,
215 NULL };
216
217 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
218
219 /* General global variables */
220
221 header_line *acl_added_headers = NULL;
222 tree_node *acl_anchor = NULL;
223 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
224 NULL, NULL, NULL, NULL};
225 int acl_narg = 0;
226
227 uschar *acl_not_smtp = NULL;
228 #ifdef WITH_CONTENT_SCAN
229 uschar *acl_not_smtp_mime = NULL;
230 #endif
231 uschar *acl_not_smtp_start = NULL;
232 uschar *acl_removed_headers = NULL;
233 uschar *acl_smtp_auth = NULL;
234 uschar *acl_smtp_connect = NULL;
235 uschar *acl_smtp_data = NULL;
236 #ifndef DISABLE_PRDR
237 uschar *acl_smtp_data_prdr = NULL;
238 #endif
239 #ifndef DISABLE_DKIM
240 uschar *acl_smtp_dkim = NULL;
241 #endif
242 uschar *acl_smtp_etrn = NULL;
243 uschar *acl_smtp_expn = NULL;
244 uschar *acl_smtp_helo = NULL;
245 uschar *acl_smtp_mail = NULL;
246 uschar *acl_smtp_mailauth = NULL;
247 #ifdef WITH_CONTENT_SCAN
248 uschar *acl_smtp_mime = NULL;
249 #endif
250 uschar *acl_smtp_notquit = NULL;
251 uschar *acl_smtp_predata = NULL;
252 uschar *acl_smtp_quit = NULL;
253 uschar *acl_smtp_rcpt = NULL;
254 uschar *acl_smtp_starttls = NULL;
255 uschar *acl_smtp_vrfy = NULL;
256
257 BOOL acl_temp_details = FALSE;
258 tree_node *acl_var_c = NULL;
259 tree_node *acl_var_m = NULL;
260 uschar *acl_verify_message = NULL;
261 string_item *acl_warn_logged = NULL;
262
263 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
264 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
265
266 uschar *acl_wherenames[] = { US"RCPT",
267 US"MAIL",
268 US"PREDATA",
269 US"MIME",
270 US"DKIM",
271 US"DATA",
272 #ifndef DISABLE_PRDR
273 US"PRDR",
274 #endif
275 US"non-SMTP",
276 US"AUTH",
277 US"connection",
278 US"ETRN",
279 US"EXPN",
280 US"EHLO or HELO",
281 US"MAILAUTH",
282 US"non-SMTP-start",
283 US"NOTQUIT",
284 US"QUIT",
285 US"STARTTLS",
286 US"VRFY",
287 US"delivery",
288 US"unknown"
289 };
290
291 uschar *acl_wherecodes[] = { US"550", /* RCPT */
292 US"550", /* MAIL */
293 US"550", /* PREDATA */
294 US"550", /* MIME */
295 US"550", /* DKIM */
296 US"550", /* DATA */
297 #ifndef DISABLE_PRDR
298 US"550", /* RCPT PRDR */
299 #endif
300 US"0", /* not SMTP; not relevant */
301 US"503", /* AUTH */
302 US"550", /* connect */
303 US"458", /* ETRN */
304 US"550", /* EXPN */
305 US"550", /* HELO/EHLO */
306 US"0", /* MAILAUTH; not relevant */
307 US"0", /* not SMTP; not relevant */
308 US"0", /* NOTQUIT; not relevant */
309 US"0", /* QUIT; not relevant */
310 US"550", /* STARTTLS */
311 US"252", /* VRFY */
312 US"0", /* delivery; not relevant */
313 US"0" /* unknown; not relevant */
314 };
315
316 BOOL active_local_from_check = FALSE;
317 BOOL active_local_sender_retain = FALSE;
318 int body_8bitmime = 0;
319 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
320 address_item *addr_duplicate = NULL;
321
322 address_item address_defaults = {
323 NULL, /* next */
324 NULL, /* parent */
325 NULL, /* first */
326 NULL, /* dupof */
327 NULL, /* start_router */
328 NULL, /* router */
329 NULL, /* transport */
330 NULL, /* host_list */
331 NULL, /* host_used */
332 NULL, /* fallback_hosts */
333 NULL, /* reply */
334 NULL, /* retries */
335 NULL, /* address */
336 NULL, /* unique */
337 NULL, /* cc_local_part */
338 NULL, /* lc_local_part */
339 NULL, /* local_part */
340 NULL, /* prefix */
341 NULL, /* suffix */
342 NULL, /* domain */
343 NULL, /* address_retry_key */
344 NULL, /* domain_retry_key */
345 NULL, /* current_dir */
346 NULL, /* home_dir */
347 NULL, /* message */
348 NULL, /* user_message */
349 NULL, /* onetime_parent */
350 NULL, /* pipe_expandn */
351 NULL, /* return_filename */
352 NULL, /* self_hostname */
353 NULL, /* shadow_message */
354 #ifdef SUPPORT_TLS
355 NULL, /* cipher */
356 NULL, /* ourcert */
357 NULL, /* peercert */
358 NULL, /* peerdn */
359 OCSP_NOT_REQ, /* ocsp */
360 #endif
361 NULL, /* authenticator */
362 NULL, /* auth_id */
363 NULL, /* auth_sndr */
364 #ifdef EXPERIMENTAL_DSN
365 NULL, /* dsn_orcpt */
366 0, /* dsn_flags */
367 0, /* dsn_aware */
368 #endif
369 (uid_t)(-1), /* uid */
370 (gid_t)(-1), /* gid */
371 0, /* flags */
372 { 0 }, /* domain_cache - any larger array should be zeroed */
373 { 0 }, /* localpart_cache - ditto */
374 -1, /* mode */
375 0, /* more_errno */
376 ERRNO_UNKNOWNERROR, /* basic_errno */
377 0, /* child_count */
378 -1, /* return_file */
379 SPECIAL_NONE, /* special_action */
380 DEFER, /* transport_return */
381 { /* fields that are propagated to children */
382 NULL, /* address_data */
383 NULL, /* domain_data */
384 NULL, /* localpart_data */
385 NULL, /* errors_address */
386 NULL, /* extra_headers */
387 NULL, /* remove_headers */
388 #ifdef EXPERIMENTAL_SRS
389 NULL, /* srs_sender */
390 #endif
391 }
392 };
393
394 uschar *address_file = NULL;
395 uschar *address_pipe = NULL;
396 BOOL address_test_mode = FALSE;
397 tree_node *addresslist_anchor = NULL;
398 int addresslist_count = 0;
399 gid_t *admin_groups = NULL;
400 BOOL admin_user = FALSE;
401 BOOL allow_auth_unadvertised= FALSE;
402 BOOL allow_domain_literals = FALSE;
403 BOOL allow_mx_to_ip = FALSE;
404 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
405 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
406 BOOL allow_utf8_domains = FALSE;
407 uschar *authenticated_fail_id = NULL;
408 uschar *authenticated_id = NULL;
409 uschar *authenticated_sender = NULL;
410 BOOL authentication_failed = FALSE;
411 auth_instance *auths = NULL;
412 uschar *auth_advertise_hosts = US"*";
413 auth_instance auth_defaults = {
414 NULL, /* chain pointer */
415 NULL, /* name */
416 NULL, /* info */
417 NULL, /* private options block pointer */
418 NULL, /* driver_name */
419 NULL, /* advertise_condition */
420 NULL, /* client_condition */
421 NULL, /* public_name */
422 NULL, /* set_id */
423 NULL, /* set_client_id */
424 NULL, /* server_mail_auth_condition */
425 NULL, /* server_debug_string */
426 NULL, /* server_condition */
427 FALSE, /* client */
428 FALSE, /* server */
429 FALSE /* advertised */
430 };
431
432 uschar *auth_defer_msg = US"reason not recorded";
433 uschar *auth_defer_user_msg = US"";
434 uschar *auth_vars[AUTH_VARS];
435 int auto_thaw = 0;
436 #ifdef WITH_CONTENT_SCAN
437 BOOL av_failed = FALSE;
438 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
439 #endif
440
441 BOOL background_daemon = TRUE;
442
443 #if BASE_62 == 62
444 uschar *base62_chars=
445 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
446 #else
447 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
448 #endif
449
450 uschar *bi_command = NULL;
451 uschar *big_buffer = NULL;
452 int big_buffer_size = BIG_BUFFER_SIZE;
453 #ifdef EXPERIMENTAL_BRIGHTMAIL
454 uschar *bmi_alt_location = NULL;
455 uschar *bmi_base64_tracker_verdict = NULL;
456 uschar *bmi_base64_verdict = NULL;
457 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
458 int bmi_deliver = 1;
459 int bmi_run = 0;
460 uschar *bmi_verdicts = NULL;
461 #endif
462 int body_linecount = 0;
463 int body_zerocount = 0;
464 uschar *bounce_message_file = NULL;
465 uschar *bounce_message_text = NULL;
466 uschar *bounce_recipient = NULL;
467 BOOL bounce_return_body = TRUE;
468 BOOL bounce_return_message = TRUE;
469 int bounce_return_size_limit = 100*1024;
470 uschar *bounce_sender_authentication = NULL;
471 int bsmtp_transaction_linecount = 0;
472
473 int callout_cache_domain_positive_expire = 7*24*60*60;
474 int callout_cache_domain_negative_expire = 3*60*60;
475 int callout_cache_positive_expire = 24*60*60;
476 int callout_cache_negative_expire = 2*60*60;
477 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
478 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
479 int check_log_inodes = 0;
480 int check_log_space = 0;
481 BOOL check_rfc2047_length = TRUE;
482 int check_spool_inodes = 0;
483 int check_spool_space = 0;
484 uschar *client_authenticator = NULL;
485 uschar *client_authenticated_id = NULL;
486 uschar *client_authenticated_sender = NULL;
487 int clmacro_count = 0;
488 uschar *clmacros[MAX_CLMACROS];
489 BOOL config_changed = FALSE;
490 FILE *config_file = NULL;
491 uschar *config_filename = NULL;
492 int config_lineno = 0;
493 #ifdef CONFIGURE_GROUP
494 gid_t config_gid = CONFIGURE_GROUP;
495 #endif
496 uschar *config_main_filelist = US CONFIGURE_FILE
497 "\0<-----------Space to patch configure_filename->";
498 uschar *config_main_filename = NULL;
499
500 #ifdef CONFIGURE_OWNER
501 uid_t config_uid = CONFIGURE_OWNER;
502 #endif
503
504 int connection_max_messages= -1;
505 uschar *continue_hostname = NULL;
506 uschar *continue_host_address = NULL;
507 BOOL continue_more = FALSE;
508 int continue_sequence = 1;
509 uschar *continue_transport = NULL;
510
511 uschar *csa_status = NULL;
512 BOOL cutthrough_delivery = FALSE;
513 int cutthrough_fd = -1;
514
515 BOOL daemon_listen = FALSE;
516 uschar *daemon_smtp_port = US"smtp";
517 int daemon_startup_retries = 9;
518 int daemon_startup_sleep = 30;
519
520 #ifdef EXPERIMENTAL_DCC
521 BOOL dcc_direct_add_header = FALSE;
522 uschar *dcc_header = NULL;
523 uschar *dcc_result = NULL;
524 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
525 uschar *dccifd_options = US"header";
526 #endif
527
528 BOOL debug_daemon = FALSE;
529 int debug_fd = -1;
530 FILE *debug_file = NULL;
531 bit_table debug_options[] = {
532 { US"acl", D_acl },
533 { US"all", D_all },
534 { US"auth", D_auth },
535 { US"deliver", D_deliver },
536 { US"dns", D_dns },
537 { US"dnsbl", D_dnsbl },
538 { US"exec", D_exec },
539 { US"expand", D_expand },
540 { US"filter", D_filter },
541 { US"hints_lookup", D_hints_lookup },
542 { US"host_lookup", D_host_lookup },
543 { US"ident", D_ident },
544 { US"interface", D_interface },
545 { US"lists", D_lists },
546 { US"load", D_load },
547 { US"local_scan", D_local_scan },
548 { US"lookup", D_lookup },
549 { US"memory", D_memory },
550 { US"pid", D_pid },
551 { US"process_info", D_process_info },
552 { US"queue_run", D_queue_run },
553 { US"receive", D_receive },
554 { US"resolver", D_resolver },
555 { US"retry", D_retry },
556 { US"rewrite", D_rewrite },
557 { US"route", D_route },
558 { US"timestamp", D_timestamp },
559 { US"tls", D_tls },
560 { US"transport", D_transport },
561 { US"uid", D_uid },
562 { US"verify", D_verify }
563 };
564 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
565 unsigned int debug_selector = 0;
566 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
567 uschar *delay_warning_condition=
568 US"${if or {"
569 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
570 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
571 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
572 "} {no}{yes}}";
573 BOOL delivery_date_remove = TRUE;
574 uschar *deliver_address_data = NULL;
575 int deliver_datafile = -1;
576 uschar *deliver_domain = NULL;
577 uschar *deliver_domain_data = NULL;
578 uschar *deliver_domain_orig = NULL;
579 uschar *deliver_domain_parent = NULL;
580 BOOL deliver_drop_privilege = FALSE;
581 BOOL deliver_firsttime = FALSE;
582 BOOL deliver_force = FALSE;
583 BOOL deliver_freeze = FALSE;
584 time_t deliver_frozen_at = 0;
585 uschar *deliver_home = NULL;
586 uschar *deliver_host = NULL;
587 uschar *deliver_host_address = NULL;
588 int deliver_host_port = 0;
589 uschar *deliver_in_buffer = NULL;
590 ino_t deliver_inode = 0;
591 uschar *deliver_localpart = NULL;
592 uschar *deliver_localpart_data = NULL;
593 uschar *deliver_localpart_orig = NULL;
594 uschar *deliver_localpart_parent = NULL;
595 uschar *deliver_localpart_prefix = NULL;
596 uschar *deliver_localpart_suffix = NULL;
597 BOOL deliver_force_thaw = FALSE;
598 BOOL deliver_manual_thaw = FALSE;
599 uschar *deliver_out_buffer = NULL;
600 int deliver_queue_load_max = -1;
601 address_item *deliver_recipients = NULL;
602 uschar *deliver_selectstring = NULL;
603 BOOL deliver_selectstring_regex = FALSE;
604 uschar *deliver_selectstring_sender = NULL;
605 BOOL deliver_selectstring_sender_regex = FALSE;
606 #ifdef WITH_OLD_DEMIME
607 int demime_errorlevel = 0;
608 int demime_ok = 0;
609 uschar *demime_reason = NULL;
610 #endif
611 BOOL disable_callout_flush = FALSE;
612 BOOL disable_delay_flush = FALSE;
613 #ifdef ENABLE_DISABLE_FSYNC
614 BOOL disable_fsync = FALSE;
615 #endif
616 BOOL disable_ipv6 = FALSE;
617 BOOL disable_logging = FALSE;
618
619 #ifndef DISABLE_DKIM
620 uschar *dkim_cur_signer = NULL;
621 uschar *dkim_signers = NULL;
622 uschar *dkim_signing_domain = NULL;
623 uschar *dkim_signing_selector = NULL;
624 uschar *dkim_verify_signers = US"$dkim_signers";
625 BOOL dkim_collect_input = FALSE;
626 BOOL dkim_disable_verify = FALSE;
627 #endif
628 #ifdef EXPERIMENTAL_DMARC
629 BOOL dmarc_has_been_checked = FALSE;
630 uschar *dmarc_ar_header = NULL;
631 uschar *dmarc_domain_policy = NULL;
632 uschar *dmarc_forensic_sender = NULL;
633 uschar *dmarc_history_file = NULL;
634 uschar *dmarc_status = NULL;
635 uschar *dmarc_status_text = NULL;
636 uschar *dmarc_tld_file = NULL;
637 uschar *dmarc_used_domain = NULL;
638 BOOL dmarc_disable_verify = FALSE;
639 BOOL dmarc_enable_forensic = FALSE;
640 #endif
641
642 uschar *dns_again_means_nonexist = NULL;
643 int dns_csa_search_limit = 5;
644 BOOL dns_csa_use_reverse = TRUE;
645 #ifdef EXPERIMENTAL_DANE
646 int dns_dane_ok = -1;
647 #endif
648 uschar *dns_ipv4_lookup = NULL;
649 int dns_retrans = 0;
650 int dns_retry = 0;
651 int dns_dnssec_ok = -1; /* <0 = not coerced */
652 int dns_use_edns0 = -1; /* <0 = not coerced */
653 uschar *dnslist_domain = NULL;
654 uschar *dnslist_matched = NULL;
655 uschar *dnslist_text = NULL;
656 uschar *dnslist_value = NULL;
657 tree_node *domainlist_anchor = NULL;
658 int domainlist_count = 0;
659 BOOL dont_deliver = FALSE;
660 BOOL dot_ends = TRUE;
661 BOOL drop_cr = FALSE; /* No longer used */
662 uschar *dsn_from = US DEFAULT_DSN_FROM;
663
664 BOOL enable_dollar_recipients = FALSE;
665 BOOL envelope_to_remove = TRUE;
666 int errno_quota = ERRNO_QUOTA;
667 uschar *errors_copy = NULL;
668 int error_handling = ERRORS_SENDER;
669 uschar *errors_reply_to = NULL;
670 int errors_sender_rc = EXIT_FAILURE;
671
672 gid_t exim_gid = EXIM_GID;
673 BOOL exim_gid_set = TRUE; /* This gid is always set */
674 uschar *exim_path = US BIN_DIRECTORY "/exim"
675 "\0<---------------Space to patch exim_path->";
676 uid_t exim_uid = EXIM_UID;
677 BOOL exim_uid_set = TRUE; /* This uid is always set */
678 int expand_forbid = 0;
679 int expand_nlength[EXPAND_MAXN+1];
680 int expand_nmax = -1;
681 uschar *expand_nstring[EXPAND_MAXN+1];
682 BOOL expand_string_forcedfail = FALSE;
683 uschar *expand_string_message;
684 BOOL extract_addresses_remove_arguments = TRUE;
685 uschar *extra_local_interfaces = NULL;
686
687 int fake_response = OK;
688 uschar *fake_response_text = US"Your message has been rejected but is "
689 "being kept for evaluation.\nIf it was a "
690 "legitimate message, it may still be "
691 "delivered to the target recipient(s).";
692 int filter_n[FILTER_VARIABLE_COUNT];
693 BOOL filter_running = FALSE;
694 int filter_sn[FILTER_VARIABLE_COUNT];
695 int filter_test = FTEST_NONE;
696 uschar *filter_test_sfile = NULL;
697 uschar *filter_test_ufile = NULL;
698 uschar *filter_thisaddress = NULL;
699 int finduser_retries = 0;
700 #ifdef WITH_OLD_DEMIME
701 uschar *found_extension = NULL;
702 #endif
703 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
704 uschar *freeze_tell = NULL;
705 uschar *freeze_tell_config = NULL;
706 uschar *fudged_queue_times = US"";
707
708 uschar *gecos_name = NULL;
709 uschar *gecos_pattern = NULL;
710 rewrite_rule *global_rewrite_rules = NULL;
711
712 uschar *headers_charset = US HEADERS_CHARSET;
713 int header_insert_maxlen = 64 * 1024;
714 header_line *header_last = NULL;
715 header_line *header_list = NULL;
716 int header_maxsize = HEADER_MAXSIZE;
717 int header_line_maxsize = 0;
718
719 header_name header_names[] = {
720 { US"bcc", 3, TRUE, htype_bcc },
721 { US"cc", 2, TRUE, htype_cc },
722 { US"date", 4, TRUE, htype_date },
723 { US"delivery-date", 13, FALSE, htype_delivery_date },
724 { US"envelope-to", 11, FALSE, htype_envelope_to },
725 { US"from", 4, TRUE, htype_from },
726 { US"message-id", 10, TRUE, htype_id },
727 { US"received", 8, FALSE, htype_received },
728 { US"reply-to", 8, FALSE, htype_reply_to },
729 { US"return-path", 11, FALSE, htype_return_path },
730 { US"sender", 6, TRUE, htype_sender },
731 { US"subject", 7, FALSE, htype_subject },
732 { US"to", 2, TRUE, htype_to }
733 };
734
735 int header_names_size = sizeof(header_names)/sizeof(header_name);
736
737 BOOL header_rewritten = FALSE;
738 uschar *helo_accept_junk_hosts = NULL;
739 uschar *helo_allow_chars = US"";
740 uschar *helo_lookup_domains = US"@ : @[]";
741 uschar *helo_try_verify_hosts = NULL;
742 BOOL helo_verified = FALSE;
743 BOOL helo_verify_failed = FALSE;
744 uschar *helo_verify_hosts = NULL;
745 const uschar *hex_digits = CUS"0123456789abcdef";
746 uschar *hold_domains = NULL;
747 BOOL host_checking = FALSE;
748 BOOL host_checking_callout = FALSE;
749 uschar *host_data = NULL;
750 BOOL host_find_failed_syntax= FALSE;
751 uschar *host_lookup = NULL;
752 BOOL host_lookup_deferred = FALSE;
753 BOOL host_lookup_failed = FALSE;
754 uschar *host_lookup_order = US"bydns:byaddr";
755 uschar *host_lookup_msg = US"";
756 int host_number = 0;
757 uschar *host_number_string = NULL;
758 uschar *host_reject_connection = NULL;
759 tree_node *hostlist_anchor = NULL;
760 int hostlist_count = 0;
761 uschar *hosts_treat_as_local = NULL;
762 uschar *hosts_connection_nolog = NULL;
763
764 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
765 BOOL ignore_fromline_local = FALSE;
766 uschar *ignore_fromline_hosts = NULL;
767 BOOL inetd_wait_mode = FALSE;
768 int inetd_wait_timeout = -1;
769 uschar *interface_address = NULL;
770 int interface_port = -1;
771 BOOL is_inetd = FALSE;
772 uschar *iterate_item = NULL;
773
774 int journal_fd = -1;
775
776 int keep_malformed = 4*24*60*60; /* 4 days */
777
778 uschar *eldap_dn = NULL;
779 int load_average = -2;
780 BOOL local_error_message = FALSE;
781 BOOL local_from_check = TRUE;
782 uschar *local_from_prefix = NULL;
783 uschar *local_from_suffix = NULL;
784
785 #if HAVE_IPV6
786 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
787 #else
788 uschar *local_interfaces = US"0.0.0.0";
789 #endif
790
791 uschar *local_scan_data = NULL;
792 int local_scan_timeout = 5*60;
793 BOOL local_sender_retain = FALSE;
794 gid_t local_user_gid = (gid_t)(-1);
795 uid_t local_user_uid = (uid_t)(-1);
796
797 tree_node *localpartlist_anchor= NULL;
798 int localpartlist_count = 0;
799 uschar *log_buffer = NULL;
800 unsigned int log_extra_selector = LX_default;
801 uschar *log_file_path = US LOG_FILE_PATH
802 "\0<--------------Space to patch log_file_path->";
803
804 /* Those log options with L_xxx identifiers have values less than 0x800000 and
805 are the ones that get put into log_write_selector. They can be used in calls to
806 log_write() to test for the bit. The options with LX_xxx identifiers have
807 values greater than 0x80000000 and are put into log_extra_selector (without the
808 top bit). They are never used in calls to log_write(), but are tested
809 independently. This separation became necessary when the number of log
810 selectors was getting close to filling a 32-bit word. */
811
812 /* Note that this list must be in alphabetical order. */
813
814 bit_table log_options[] = {
815 { US"8bitmime", LX_8bitmime },
816 { US"acl_warn_skipped", LX_acl_warn_skipped },
817 { US"address_rewrite", L_address_rewrite },
818 { US"all", L_all },
819 { US"all_parents", L_all_parents },
820 { US"arguments", LX_arguments },
821 { US"connection_reject", L_connection_reject },
822 { US"delay_delivery", L_delay_delivery },
823 { US"deliver_time", LX_deliver_time },
824 { US"delivery_size", LX_delivery_size },
825 { US"dnslist_defer", L_dnslist_defer },
826 { US"etrn", L_etrn },
827 { US"host_lookup_failed", L_host_lookup_failed },
828 { US"ident_timeout", LX_ident_timeout },
829 { US"incoming_interface", LX_incoming_interface },
830 { US"incoming_port", LX_incoming_port },
831 { US"lost_incoming_connection", L_lost_incoming_connection },
832 { US"outgoing_port", LX_outgoing_port },
833 { US"pid", LX_pid },
834 #ifdef EXPERIMENTAL_PROXY
835 { US"proxy", LX_proxy },
836 #endif
837 { US"queue_run", L_queue_run },
838 { US"queue_time", LX_queue_time },
839 { US"queue_time_overall", LX_queue_time_overall },
840 { US"received_recipients", LX_received_recipients },
841 { US"received_sender", LX_received_sender },
842 { US"rejected_header", LX_rejected_header },
843 { US"rejected_headers", LX_rejected_header },
844 { US"retry_defer", L_retry_defer },
845 { US"return_path_on_delivery", LX_return_path_on_delivery },
846 { US"sender_on_delivery", LX_sender_on_delivery },
847 { US"sender_verify_fail", LX_sender_verify_fail },
848 { US"size_reject", L_size_reject },
849 { US"skip_delivery", L_skip_delivery },
850 { US"smtp_confirmation", LX_smtp_confirmation },
851 { US"smtp_connection", L_smtp_connection },
852 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
853 { US"smtp_mailauth", LX_smtp_mailauth },
854 { US"smtp_no_mail", LX_smtp_no_mail },
855 { US"smtp_protocol_error", L_smtp_protocol_error },
856 { US"smtp_syntax_error", L_smtp_syntax_error },
857 { US"subject", LX_subject },
858 { US"tls_certificate_verified", LX_tls_certificate_verified },
859 { US"tls_cipher", LX_tls_cipher },
860 { US"tls_peerdn", LX_tls_peerdn },
861 { US"tls_sni", LX_tls_sni },
862 { US"unknown_in_list", LX_unknown_in_list }
863 };
864
865 int log_options_count = sizeof(log_options)/sizeof(bit_table);
866 int log_reject_target = 0;
867 uschar *log_selector_string = NULL;
868 FILE *log_stderr = NULL;
869 BOOL log_testing_mode = FALSE;
870 BOOL log_timezone = FALSE;
871 unsigned int log_write_selector= L_default;
872 uschar *login_sender_address = NULL;
873 uschar *lookup_dnssec_authenticated = NULL;
874 int lookup_open_max = 25;
875 uschar *lookup_value = NULL;
876
877 macro_item *macros = NULL;
878 uschar *mailstore_basename = NULL;
879 #ifdef WITH_CONTENT_SCAN
880 uschar *malware_name = NULL; /* Virus Name */
881 #endif
882 int max_received_linelength= 0;
883 int max_username_length = 0;
884 int message_age = 0;
885 uschar *message_body = NULL;
886 uschar *message_body_end = NULL;
887 BOOL message_body_newlines = FALSE;
888 int message_body_size = 0;
889 int message_body_visible = 500;
890 int message_ended = END_NOTSTARTED;
891 uschar *message_headers = NULL;
892 uschar *message_id;
893 uschar *message_id_domain = NULL;
894 uschar *message_id_text = NULL;
895 struct timeval message_id_tv = { 0, 0 };
896 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
897 uschar *message_id_external;
898 int message_linecount = 0;
899 BOOL message_logs = TRUE;
900 int message_size = 0;
901 uschar *message_size_limit = US"50M";
902 uschar message_subdir[2] = { 0, 0 };
903 uschar *message_reference = NULL;
904
905 /* MIME ACL expandables */
906 #ifdef WITH_CONTENT_SCAN
907 int mime_anomaly_level = 0;
908 const uschar *mime_anomaly_text = NULL;
909 uschar *mime_boundary = NULL;
910 uschar *mime_charset = NULL;
911 uschar *mime_content_description = NULL;
912 uschar *mime_content_disposition = NULL;
913 uschar *mime_content_id = NULL;
914 unsigned int mime_content_size = 0;
915 uschar *mime_content_transfer_encoding = NULL;
916 uschar *mime_content_type = NULL;
917 uschar *mime_decoded_filename = NULL;
918 uschar *mime_filename = NULL;
919 int mime_is_multipart = 0;
920 int mime_is_coverletter = 0;
921 int mime_is_rfc822 = 0;
922 int mime_part_count = -1;
923 #endif
924
925 BOOL mua_wrapper = FALSE;
926
927 uid_t *never_users = NULL;
928 #ifdef WITH_CONTENT_SCAN
929 BOOL no_mbox_unspool = FALSE;
930 #endif
931 BOOL no_multiline_responses = FALSE;
932
933 uid_t original_euid;
934 gid_t originator_gid;
935 uschar *originator_login = NULL;
936 uschar *originator_name = NULL;
937 uid_t originator_uid;
938 uschar *override_local_interfaces = NULL;
939 uschar *override_pid_file_path = NULL;
940
941 BOOL parse_allow_group = FALSE;
942 BOOL parse_found_group = FALSE;
943 uschar *percent_hack_domains = NULL;
944 uschar *pid_file_path = US PID_FILE_PATH
945 "\0<--------------Space to patch pid_file_path->";
946 BOOL pipelining_enable = TRUE;
947 uschar *pipelining_advertise_hosts = US"*";
948 BOOL preserve_message_logs = FALSE;
949 uschar *primary_hostname = NULL;
950 BOOL print_topbitchars = FALSE;
951 uschar process_info[PROCESS_INFO_SIZE];
952 int process_info_len = 0;
953 uschar *process_log_path = NULL;
954 BOOL prod_requires_admin = TRUE;
955
956 #ifdef EXPERIMENTAL_PROXY
957 uschar *proxy_host_address = US"";
958 int proxy_host_port = 0;
959 uschar *proxy_required_hosts = US"";
960 BOOL proxy_session = FALSE;
961 BOOL proxy_session_failed = FALSE;
962 uschar *proxy_target_address = US"";
963 int proxy_target_port = 0;
964 #endif
965
966 uschar *prvscheck_address = NULL;
967 uschar *prvscheck_keynum = NULL;
968 uschar *prvscheck_result = NULL;
969
970
971 uschar *qualify_domain_recipient = NULL;
972 uschar *qualify_domain_sender = NULL;
973 BOOL queue_2stage = FALSE;
974 uschar *queue_domains = NULL;
975 int queue_interval = -1;
976 BOOL queue_list_requires_admin = TRUE;
977 BOOL queue_only = FALSE;
978 uschar *queue_only_file = NULL;
979 int queue_only_load = -1;
980 BOOL queue_only_load_latch = TRUE;
981 BOOL queue_only_override = TRUE;
982 BOOL queue_only_policy = FALSE;
983 BOOL queue_run_first_delivery = FALSE;
984 BOOL queue_run_force = FALSE;
985 BOOL queue_run_in_order = FALSE;
986 BOOL queue_run_local = FALSE;
987 int queue_run_max = 5;
988 pid_t queue_run_pid = (pid_t)0;
989 int queue_run_pipe = -1;
990 BOOL queue_running = FALSE;
991 BOOL queue_smtp = FALSE;
992 uschar *queue_smtp_domains = NULL;
993
994 unsigned int random_seed = 0;
995 tree_node *ratelimiters_cmd = NULL;
996 tree_node *ratelimiters_conn = NULL;
997 tree_node *ratelimiters_mail = NULL;
998 uschar *raw_active_hostname = NULL;
999 uschar *raw_sender = NULL;
1000 uschar **raw_recipients = NULL;
1001 int raw_recipients_count = 0;
1002
1003 int rcpt_count = 0;
1004 int rcpt_fail_count = 0;
1005 int rcpt_defer_count = 0;
1006 gid_t real_gid;
1007 uid_t real_uid;
1008 BOOL really_exim = TRUE;
1009 BOOL receive_call_bombout = FALSE;
1010 int receive_linecount = 0;
1011 int receive_messagecount = 0;
1012 int receive_timeout = 0;
1013 int received_count = 0;
1014 uschar *received_for = NULL;
1015
1016 /* This is the default text for Received headers generated by Exim. The
1017 date will be automatically added on the end. */
1018
1019 uschar *received_header_text = US
1020 "Received: "
1021 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1022 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1023 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1024 "by $primary_hostname "
1025 "${if def:received_protocol {with $received_protocol}} "
1026 #ifdef SUPPORT_TLS
1027 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1028 #endif
1029 "(Exim $version_number)\n\t"
1030 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1031 "id $message_exim_id"
1032 "${if def:received_for {\n\tfor $received_for}}"
1033 "\0<---------------Space to patch received_header_text->";
1034
1035 int received_headers_max = 30;
1036 uschar *received_protocol = NULL;
1037 int received_time = 0;
1038 uschar *recipient_data = NULL;
1039 uschar *recipient_unqualified_hosts = NULL;
1040 uschar *recipient_verify_failure = NULL;
1041 int recipients_count = 0;
1042 BOOL recipients_discarded = FALSE;
1043 recipient_item *recipients_list = NULL;
1044 int recipients_list_max = 0;
1045 int recipients_max = 0;
1046 BOOL recipients_max_reject = FALSE;
1047 const pcre *regex_AUTH = NULL;
1048 const pcre *regex_check_dns_names = NULL;
1049 const pcre *regex_From = NULL;
1050 const pcre *regex_IGNOREQUOTA = NULL;
1051 const pcre *regex_PIPELINING = NULL;
1052 const pcre *regex_SIZE = NULL;
1053 const pcre *regex_smtp_code = NULL;
1054 const pcre *regex_ismsgid = NULL;
1055 #ifdef WHITELIST_D_MACROS
1056 const pcre *regex_whitelisted_macro = NULL;
1057 #endif
1058 #ifdef WITH_CONTENT_SCAN
1059 uschar *regex_match_string = NULL;
1060 #endif
1061 int remote_delivery_count = 0;
1062 int remote_max_parallel = 2;
1063 uschar *remote_sort_domains = NULL;
1064 int retry_data_expire = 7*24*60*60;
1065 int retry_interval_max = 24*60*60;
1066 int retry_maximum_timeout = 0; /* set from retry config */
1067 retry_config *retries = NULL;
1068 uschar *return_path = NULL;
1069 BOOL return_path_remove = TRUE;
1070 int rewrite_existflags = 0;
1071 uschar *rfc1413_hosts = US"*";
1072 int rfc1413_query_timeout = 5;
1073 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1074 uid_t root_gid = ROOT_GID;
1075 uid_t root_uid = ROOT_UID;
1076
1077 router_instance *routers = NULL;
1078 router_instance router_defaults = {
1079 NULL, /* chain pointer */
1080 NULL, /* name */
1081 NULL, /* info */
1082 NULL, /* private options block pointer */
1083 NULL, /* driver name */
1084
1085 NULL, /* address_data */
1086 #ifdef EXPERIMENTAL_BRIGHTMAIL
1087 NULL, /* bmi_rule */
1088 #endif
1089 NULL, /* cannot_route_message */
1090 NULL, /* condition */
1091 NULL, /* current_directory */
1092 NULL, /* debug_string */
1093 NULL, /* domains */
1094 NULL, /* errors_to */
1095 NULL, /* expand_gid */
1096 NULL, /* expand_uid */
1097 NULL, /* expand_more */
1098 NULL, /* expand_unseen */
1099 NULL, /* extra_headers */
1100 NULL, /* fallback_hosts */
1101 NULL, /* home_directory */
1102 NULL, /* ignore_target_hosts */
1103 NULL, /* local_parts */
1104 NULL, /* pass_router_name */
1105 NULL, /* prefix */
1106 NULL, /* redirect_router_name */
1107 NULL, /* remove_headers */
1108 NULL, /* require_files */
1109 NULL, /* router_home_directory */
1110 US"freeze", /* self */
1111 NULL, /* senders */
1112 NULL, /* suffix */
1113 NULL, /* translate_ip_address */
1114 NULL, /* transport_name */
1115
1116 TRUE, /* address_test */
1117 #ifdef EXPERIMENTAL_BRIGHTMAIL
1118 FALSE, /* bmi_deliver_alternate */
1119 FALSE, /* bmi_deliver_default */
1120 FALSE, /* bmi_dont_deliver */
1121 #endif
1122 TRUE, /* expn */
1123 FALSE, /* caseful_local_part */
1124 FALSE, /* check_local_user */
1125 FALSE, /* disable_logging */
1126 FALSE, /* fail_verify_recipient */
1127 FALSE, /* fail_verify_sender */
1128 FALSE, /* gid_set */
1129 FALSE, /* initgroups */
1130 TRUE_UNSET, /* log_as_local */
1131 TRUE, /* more */
1132 FALSE, /* pass_on_timeout */
1133 FALSE, /* prefix_optional */
1134 TRUE, /* repeat_use */
1135 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1136 FALSE, /* same_domain_copy_routing */
1137 FALSE, /* self_rewrite */
1138 FALSE, /* suffix_optional */
1139 FALSE, /* verify_only */
1140 TRUE, /* verify_recipient */
1141 TRUE, /* verify_sender */
1142 FALSE, /* uid_set */
1143 FALSE, /* unseen */
1144 #ifdef EXPERIMENTAL_DSN
1145 FALSE, /* dsn_lasthop */
1146 #endif
1147
1148 self_freeze, /* self_code */
1149 (uid_t)(-1), /* uid */
1150 (gid_t)(-1), /* gid */
1151
1152 NULL, /* fallback_hostlist */
1153 NULL, /* transport instance */
1154 NULL, /* pass_router */
1155 NULL /* redirect_router */
1156 };
1157
1158 uschar *router_name = NULL;
1159
1160 ip_address_item *running_interfaces = NULL;
1161 BOOL running_in_test_harness = FALSE;
1162
1163 /* This is a weird one. The following string gets patched in the binary by the
1164 script that sets up a copy of Exim for running in the test harness. It seems
1165 that compilers are now clever, and share constant strings if they can.
1166 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1167 make use of the end of this string in order to save space. So the patching then
1168 wrecks this. We defeat this optimization by adding some additional characters
1169 onto the end of the string. */
1170
1171 uschar *running_status = US">>>running<<<" "\0EXTRA";
1172
1173 int runrc = 0;
1174
1175 uschar *search_error_message = NULL;
1176 BOOL search_find_defer = FALSE;
1177 uschar *self_hostname = NULL;
1178 uschar *sender_address = NULL;
1179 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1180 uschar *sender_address_data = NULL;
1181 BOOL sender_address_forced = FALSE;
1182 uschar *sender_address_unrewritten = NULL;
1183 uschar *sender_data = NULL;
1184 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1185 uschar *sender_fullhost = NULL;
1186 uschar *sender_helo_name = NULL;
1187 uschar **sender_host_aliases = &no_aliases;
1188 uschar *sender_host_address = NULL;
1189 uschar *sender_host_authenticated = NULL;
1190 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1191 BOOL sender_host_dnssec = FALSE;
1192 uschar *sender_host_name = NULL;
1193 int sender_host_port = 0;
1194 BOOL sender_host_notsocket = FALSE;
1195 BOOL sender_host_unknown = FALSE;
1196 uschar *sender_ident = NULL;
1197 BOOL sender_local = FALSE;
1198 BOOL sender_name_forced = FALSE;
1199 uschar *sender_rate = NULL;
1200 uschar *sender_rate_limit = NULL;
1201 uschar *sender_rate_period = NULL;
1202 uschar *sender_rcvhost = NULL;
1203 BOOL sender_set_untrusted = FALSE;
1204 uschar *sender_unqualified_hosts = NULL;
1205 uschar *sender_verify_failure = NULL;
1206 address_item *sender_verified_list = NULL;
1207 address_item *sender_verified_failed = NULL;
1208 int sender_verified_rc = -1;
1209 BOOL sender_verified_responded = FALSE;
1210 uschar *sending_ip_address = NULL;
1211 int sending_port = -1;
1212 SIGNAL_BOOL sigalrm_seen = FALSE;
1213 uschar **sighup_argv = NULL;
1214 int smtp_accept_count = 0;
1215 BOOL smtp_accept_keepalive = TRUE;
1216 int smtp_accept_max = 20;
1217 int smtp_accept_max_nonmail= 10;
1218 uschar *smtp_accept_max_nonmail_hosts = US"*";
1219 int smtp_accept_max_per_connection = 1000;
1220 uschar *smtp_accept_max_per_host = NULL;
1221 int smtp_accept_queue = 0;
1222 int smtp_accept_queue_per_connection = 10;
1223 int smtp_accept_reserve = 0;
1224 uschar *smtp_active_hostname = NULL;
1225 BOOL smtp_authenticated = FALSE;
1226 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1227 "Exim $version_number $tod_full"
1228 "\0<---------------Space to patch smtp_banner->";
1229 BOOL smtp_batched_input = FALSE;
1230 BOOL smtp_check_spool_space = TRUE;
1231 int smtp_ch_index = 0;
1232 uschar *smtp_cmd_argument = NULL;
1233 uschar *smtp_cmd_buffer = NULL;
1234 time_t smtp_connection_start = 0;
1235 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1236 int smtp_connect_backlog = 20;
1237 double smtp_delay_mail = 0.0;
1238 double smtp_delay_rcpt = 0.0;
1239 BOOL smtp_enforce_sync = TRUE;
1240 FILE *smtp_in = NULL;
1241 BOOL smtp_input = FALSE;
1242 int smtp_load_reserve = -1;
1243 int smtp_mailcmd_count = 0;
1244 FILE *smtp_out = NULL;
1245 uschar *smtp_etrn_command = NULL;
1246 BOOL smtp_etrn_serialize = TRUE;
1247 int smtp_max_synprot_errors= 3;
1248 int smtp_max_unknown_commands = 3;
1249 uschar *smtp_notquit_reason = NULL;
1250 uschar *smtp_ratelimit_hosts = NULL;
1251 uschar *smtp_ratelimit_mail = NULL;
1252 uschar *smtp_ratelimit_rcpt = NULL;
1253 uschar *smtp_read_error = US"";
1254 int smtp_receive_timeout = 5*60;
1255 uschar *smtp_reserve_hosts = NULL;
1256 BOOL smtp_return_error_details = FALSE;
1257 int smtp_rlm_base = 0;
1258 double smtp_rlm_factor = 0.0;
1259 int smtp_rlm_limit = 0;
1260 int smtp_rlm_threshold = INT_MAX;
1261 int smtp_rlr_base = 0;
1262 double smtp_rlr_factor = 0.0;
1263 int smtp_rlr_limit = 0;
1264 int smtp_rlr_threshold = INT_MAX;
1265 BOOL smtp_use_pipelining = FALSE;
1266 BOOL smtp_use_size = FALSE;
1267
1268 #ifdef WITH_CONTENT_SCAN
1269 uschar *spamd_address = US"127.0.0.1 783";
1270 uschar *spam_bar = NULL;
1271 uschar *spam_report = NULL;
1272 uschar *spam_score = NULL;
1273 uschar *spam_score_int = NULL;
1274 #endif
1275 #ifdef EXPERIMENTAL_SPF
1276 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1277 uschar *spf_header_comment = NULL;
1278 uschar *spf_received = NULL;
1279 uschar *spf_result = NULL;
1280 uschar *spf_smtp_comment = NULL;
1281 #endif
1282
1283 BOOL split_spool_directory = FALSE;
1284 uschar *spool_directory = US SPOOL_DIRECTORY
1285 "\0<--------------Space to patch spool_directory->";
1286 #ifdef EXPERIMENTAL_SRS
1287 uschar *srs_config = NULL;
1288 uschar *srs_db_address = NULL;
1289 uschar *srs_db_key = NULL;
1290 int srs_hashlength = 6;
1291 int srs_hashmin = -1;
1292 int srs_maxage = 31;
1293 uschar *srs_orig_recipient = NULL;
1294 uschar *srs_orig_sender = NULL;
1295 uschar *srs_recipient = NULL;
1296 uschar *srs_secrets = NULL;
1297 uschar *srs_status = NULL;
1298 BOOL srs_usehash = TRUE;
1299 BOOL srs_usetimestamp = TRUE;
1300 #endif
1301 BOOL strict_acl_vars = FALSE;
1302 int string_datestamp_offset= -1;
1303 int string_datestamp_length= 0;
1304 int string_datestamp_type = -1;
1305 BOOL strip_excess_angle_brackets = FALSE;
1306 BOOL strip_trailing_dot = FALSE;
1307 uschar *submission_domain = NULL;
1308 BOOL submission_mode = FALSE;
1309 uschar *submission_name = NULL;
1310 BOOL suppress_local_fixups = FALSE;
1311 BOOL suppress_local_fixups_default = FALSE;
1312 BOOL synchronous_delivery = FALSE;
1313 BOOL syslog_duplication = TRUE;
1314 int syslog_facility = LOG_MAIL;
1315 uschar *syslog_processname = US"exim";
1316 BOOL syslog_timestamp = TRUE;
1317 uschar *system_filter = NULL;
1318
1319 uschar *system_filter_directory_transport = NULL;
1320 uschar *system_filter_file_transport = NULL;
1321 uschar *system_filter_pipe_transport = NULL;
1322 uschar *system_filter_reply_transport = NULL;
1323
1324 gid_t system_filter_gid = 0;
1325 BOOL system_filter_gid_set = FALSE;
1326 uid_t system_filter_uid = (uid_t)-1;
1327 BOOL system_filter_uid_set = FALSE;
1328 BOOL system_filtering = FALSE;
1329
1330 BOOL tcp_nodelay = TRUE;
1331 #ifdef USE_TCP_WRAPPERS
1332 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1333 #endif
1334 int test_harness_load_avg = 0;
1335 int thismessage_size_limit = 0;
1336 int timeout_frozen_after = 0;
1337 BOOL timestamps_utc = FALSE;
1338
1339 #ifdef EXPERIMENTAL_TPDA
1340 int tpda_defer_errno = 0;
1341 uschar *tpda_event = NULL;
1342 uschar *tpda_data = NULL;
1343 #endif
1344
1345 transport_instance *transports = NULL;
1346
1347 transport_instance transport_defaults = {
1348 NULL, /* chain pointer */
1349 NULL, /* name */
1350 NULL, /* info */
1351 NULL, /* private options block pointer */
1352 NULL, /* driver name */
1353 NULL, /* setup entry point */
1354 1, /* batch_max */
1355 NULL, /* batch_id */
1356 NULL, /* home_dir */
1357 NULL, /* current_dir */
1358 TRUE, /* multi-domain */
1359 FALSE, /* overrides_hosts */
1360 100, /* max_addresses */
1361 500, /* connection_max_messages */
1362 FALSE, /* deliver_as_creator */
1363 FALSE, /* disable_logging */
1364 FALSE, /* initgroups */
1365 FALSE, /* uid_set */
1366 FALSE, /* gid_set */
1367 (uid_t)(-1), /* uid */
1368 (gid_t)(-1), /* gid */
1369 NULL, /* expand_uid */
1370 NULL, /* expand_gid */
1371 NULL, /* warn_message */
1372 NULL, /* shadow */
1373 NULL, /* shadow_condition */
1374 NULL, /* filter_command */
1375 NULL, /* add_headers */
1376 NULL, /* remove_headers */
1377 NULL, /* return_path */
1378 NULL, /* debug_string */
1379 NULL, /* message_size_limit */
1380 NULL, /* headers_rewrite */
1381 NULL, /* rewrite_rules */
1382 0, /* rewrite_existflags */
1383 300, /* filter_timeout */
1384 FALSE, /* body_only */
1385 FALSE, /* delivery_date_add */
1386 FALSE, /* envelope_to_add */
1387 FALSE, /* headers_only */
1388 FALSE, /* rcpt_include_affixes */
1389 FALSE, /* return_path_add */
1390 FALSE, /* return_output */
1391 FALSE, /* return_fail_output */
1392 FALSE, /* log_output */
1393 FALSE, /* log_fail_output */
1394 FALSE, /* log_defer_output */
1395 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1396 1 nor 0 so can detect unset */
1397 #ifdef EXPERIMENTAL_TPDA
1398 ,NULL /* tpda_event_action */
1399 #endif
1400 };
1401
1402 int transport_count;
1403 uschar *transport_name = NULL;
1404 int transport_newlines;
1405 uschar **transport_filter_argv = NULL;
1406 int transport_filter_timeout;
1407 BOOL transport_filter_timed_out = FALSE;
1408 int transport_write_timeout= 0;
1409
1410 tree_node *tree_dns_fails = NULL;
1411 tree_node *tree_duplicates = NULL;
1412 tree_node *tree_nonrecipients = NULL;
1413 tree_node *tree_unusable = NULL;
1414
1415 BOOL trusted_caller = FALSE;
1416 BOOL trusted_config = TRUE;
1417 gid_t *trusted_groups = NULL;
1418 uid_t *trusted_users = NULL;
1419 uschar *timezone_string = US TIMEZONE_DEFAULT;
1420
1421 uschar *unknown_login = NULL;
1422 uschar *unknown_username = NULL;
1423 uschar *untrusted_set_sender = NULL;
1424
1425 /* A regex for matching a "From_" line in an incoming message, in the form
1426
1427 From ph10 Fri Jan 5 12:35 GMT 1996
1428
1429 which the "mail" commands send to the MTA (undocumented, of course), or in
1430 the form
1431
1432 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1433
1434 which is apparently used by some UUCPs, despite it not being in RFC 976.
1435 Because of variations in time formats, just match up to the minutes. That
1436 should be sufficient. Examples have been seen of time fields like 12:1:03,
1437 so just require one digit for hours and minutes. The weekday is also absent
1438 in some forms. */
1439
1440 uschar *uucp_from_pattern = US
1441 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1442 "(?:" /* Non-extracting bracket */
1443 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1444 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1445 ")" /* End alternation */
1446 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1447
1448 uschar *uucp_from_sender = US"$1";
1449
1450 uschar *warn_message_file = NULL;
1451 uschar *warnmsg_delay = NULL;
1452 uschar *warnmsg_recipients = NULL;
1453 BOOL write_rejectlog = TRUE;
1454
1455 uschar *version_copyright =
1456 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1457 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1458 uschar *version_date = US"?";
1459 uschar *version_cnumber = US"????";
1460 uschar *version_string = US"?";
1461
1462 int warning_count = 0;
1463
1464 /* End of globals.c */
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