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Disable identd (rfc1413) lookups by default
[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= US"system";
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 = US"accept";
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 uschar *config_main_directory = NULL;
500
501 #ifdef CONFIGURE_OWNER
502 uid_t config_uid = CONFIGURE_OWNER;
503 #endif
504
505 int connection_max_messages= -1;
506 uschar *continue_hostname = NULL;
507 uschar *continue_host_address = NULL;
508 BOOL continue_more = FALSE;
509 int continue_sequence = 1;
510 uschar *continue_transport = NULL;
511
512 uschar *csa_status = NULL;
513 BOOL cutthrough_delivery = FALSE;
514 int cutthrough_fd = -1;
515
516 BOOL daemon_listen = FALSE;
517 uschar *daemon_smtp_port = US"smtp";
518 int daemon_startup_retries = 9;
519 int daemon_startup_sleep = 30;
520
521 #ifdef EXPERIMENTAL_DCC
522 BOOL dcc_direct_add_header = FALSE;
523 uschar *dcc_header = NULL;
524 uschar *dcc_result = NULL;
525 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
526 uschar *dccifd_options = US"header";
527 #endif
528
529 BOOL debug_daemon = FALSE;
530 int debug_fd = -1;
531 FILE *debug_file = NULL;
532 bit_table debug_options[] = {
533 { US"acl", D_acl },
534 { US"all", D_all },
535 { US"auth", D_auth },
536 { US"deliver", D_deliver },
537 { US"dns", D_dns },
538 { US"dnsbl", D_dnsbl },
539 { US"exec", D_exec },
540 { US"expand", D_expand },
541 { US"filter", D_filter },
542 { US"hints_lookup", D_hints_lookup },
543 { US"host_lookup", D_host_lookup },
544 { US"ident", D_ident },
545 { US"interface", D_interface },
546 { US"lists", D_lists },
547 { US"load", D_load },
548 { US"local_scan", D_local_scan },
549 { US"lookup", D_lookup },
550 { US"memory", D_memory },
551 { US"pid", D_pid },
552 { US"process_info", D_process_info },
553 { US"queue_run", D_queue_run },
554 { US"receive", D_receive },
555 { US"resolver", D_resolver },
556 { US"retry", D_retry },
557 { US"rewrite", D_rewrite },
558 { US"route", D_route },
559 { US"timestamp", D_timestamp },
560 { US"tls", D_tls },
561 { US"transport", D_transport },
562 { US"uid", D_uid },
563 { US"verify", D_verify }
564 };
565 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
566 unsigned int debug_selector = 0;
567 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
568 uschar *delay_warning_condition=
569 US"${if or {"
570 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
571 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
572 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
573 "} {no}{yes}}";
574 BOOL delivery_date_remove = TRUE;
575 uschar *deliver_address_data = NULL;
576 int deliver_datafile = -1;
577 uschar *deliver_domain = NULL;
578 uschar *deliver_domain_data = NULL;
579 uschar *deliver_domain_orig = NULL;
580 uschar *deliver_domain_parent = NULL;
581 BOOL deliver_drop_privilege = FALSE;
582 BOOL deliver_firsttime = FALSE;
583 BOOL deliver_force = FALSE;
584 BOOL deliver_freeze = FALSE;
585 time_t deliver_frozen_at = 0;
586 uschar *deliver_home = NULL;
587 uschar *deliver_host = NULL;
588 uschar *deliver_host_address = NULL;
589 int deliver_host_port = 0;
590 uschar *deliver_in_buffer = NULL;
591 ino_t deliver_inode = 0;
592 uschar *deliver_localpart = NULL;
593 uschar *deliver_localpart_data = NULL;
594 uschar *deliver_localpart_orig = NULL;
595 uschar *deliver_localpart_parent = NULL;
596 uschar *deliver_localpart_prefix = NULL;
597 uschar *deliver_localpart_suffix = NULL;
598 BOOL deliver_force_thaw = FALSE;
599 BOOL deliver_manual_thaw = FALSE;
600 uschar *deliver_out_buffer = NULL;
601 int deliver_queue_load_max = -1;
602 address_item *deliver_recipients = NULL;
603 uschar *deliver_selectstring = NULL;
604 BOOL deliver_selectstring_regex = FALSE;
605 uschar *deliver_selectstring_sender = NULL;
606 BOOL deliver_selectstring_sender_regex = FALSE;
607 #ifdef WITH_OLD_DEMIME
608 int demime_errorlevel = 0;
609 int demime_ok = 0;
610 uschar *demime_reason = NULL;
611 #endif
612 BOOL disable_callout_flush = FALSE;
613 BOOL disable_delay_flush = FALSE;
614 #ifdef ENABLE_DISABLE_FSYNC
615 BOOL disable_fsync = FALSE;
616 #endif
617 BOOL disable_ipv6 = FALSE;
618 BOOL disable_logging = FALSE;
619
620 #ifndef DISABLE_DKIM
621 uschar *dkim_cur_signer = NULL;
622 uschar *dkim_signers = NULL;
623 uschar *dkim_signing_domain = NULL;
624 uschar *dkim_signing_selector = NULL;
625 uschar *dkim_verify_signers = US"$dkim_signers";
626 BOOL dkim_collect_input = FALSE;
627 BOOL dkim_disable_verify = FALSE;
628 #endif
629 #ifdef EXPERIMENTAL_DMARC
630 BOOL dmarc_has_been_checked = FALSE;
631 uschar *dmarc_ar_header = NULL;
632 uschar *dmarc_domain_policy = NULL;
633 uschar *dmarc_forensic_sender = NULL;
634 uschar *dmarc_history_file = NULL;
635 uschar *dmarc_status = NULL;
636 uschar *dmarc_status_text = NULL;
637 uschar *dmarc_tld_file = NULL;
638 uschar *dmarc_used_domain = NULL;
639 BOOL dmarc_disable_verify = FALSE;
640 BOOL dmarc_enable_forensic = FALSE;
641 #endif
642
643 uschar *dns_again_means_nonexist = NULL;
644 int dns_csa_search_limit = 5;
645 BOOL dns_csa_use_reverse = TRUE;
646 #ifdef EXPERIMENTAL_DANE
647 int dns_dane_ok = -1;
648 #endif
649 uschar *dns_ipv4_lookup = NULL;
650 int dns_retrans = 0;
651 int dns_retry = 0;
652 int dns_dnssec_ok = -1; /* <0 = not coerced */
653 int dns_use_edns0 = -1; /* <0 = not coerced */
654 uschar *dnslist_domain = NULL;
655 uschar *dnslist_matched = NULL;
656 uschar *dnslist_text = NULL;
657 uschar *dnslist_value = NULL;
658 tree_node *domainlist_anchor = NULL;
659 int domainlist_count = 0;
660 BOOL dont_deliver = FALSE;
661 BOOL dot_ends = TRUE;
662 BOOL drop_cr = FALSE; /* No longer used */
663 uschar *dsn_from = US DEFAULT_DSN_FROM;
664
665 BOOL enable_dollar_recipients = FALSE;
666 BOOL envelope_to_remove = TRUE;
667 int errno_quota = ERRNO_QUOTA;
668 uschar *errors_copy = NULL;
669 int error_handling = ERRORS_SENDER;
670 uschar *errors_reply_to = NULL;
671 int errors_sender_rc = EXIT_FAILURE;
672 #ifdef EXPERIMENTAL_EVENT
673 uschar *event_action = NULL; /* expansion for delivery events */
674 uschar *event_data = NULL; /* auxilary data variable for event */
675 int event_defer_errno = 0;
676 uschar *event_name = NULL; /* event name variable */
677 #endif
678
679
680 gid_t exim_gid = EXIM_GID;
681 BOOL exim_gid_set = TRUE; /* This gid is always set */
682 uschar *exim_path = US BIN_DIRECTORY "/exim"
683 "\0<---------------Space to patch exim_path->";
684 uid_t exim_uid = EXIM_UID;
685 BOOL exim_uid_set = TRUE; /* This uid is always set */
686 int expand_forbid = 0;
687 int expand_nlength[EXPAND_MAXN+1];
688 int expand_nmax = -1;
689 uschar *expand_nstring[EXPAND_MAXN+1];
690 BOOL expand_string_forcedfail = FALSE;
691 uschar *expand_string_message;
692 BOOL extract_addresses_remove_arguments = TRUE;
693 uschar *extra_local_interfaces = NULL;
694
695 int fake_response = OK;
696 uschar *fake_response_text = US"Your message has been rejected but is "
697 "being kept for evaluation.\nIf it was a "
698 "legitimate message, it may still be "
699 "delivered to the target recipient(s).";
700 int filter_n[FILTER_VARIABLE_COUNT];
701 BOOL filter_running = FALSE;
702 int filter_sn[FILTER_VARIABLE_COUNT];
703 int filter_test = FTEST_NONE;
704 uschar *filter_test_sfile = NULL;
705 uschar *filter_test_ufile = NULL;
706 uschar *filter_thisaddress = NULL;
707 int finduser_retries = 0;
708 #ifdef WITH_OLD_DEMIME
709 uschar *found_extension = NULL;
710 #endif
711 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
712 uschar *freeze_tell = NULL;
713 uschar *freeze_tell_config = NULL;
714 uschar *fudged_queue_times = US"";
715
716 uschar *gecos_name = NULL;
717 uschar *gecos_pattern = NULL;
718 rewrite_rule *global_rewrite_rules = NULL;
719
720 uschar *headers_charset = US HEADERS_CHARSET;
721 int header_insert_maxlen = 64 * 1024;
722 header_line *header_last = NULL;
723 header_line *header_list = NULL;
724 int header_maxsize = HEADER_MAXSIZE;
725 int header_line_maxsize = 0;
726
727 header_name header_names[] = {
728 { US"bcc", 3, TRUE, htype_bcc },
729 { US"cc", 2, TRUE, htype_cc },
730 { US"date", 4, TRUE, htype_date },
731 { US"delivery-date", 13, FALSE, htype_delivery_date },
732 { US"envelope-to", 11, FALSE, htype_envelope_to },
733 { US"from", 4, TRUE, htype_from },
734 { US"message-id", 10, TRUE, htype_id },
735 { US"received", 8, FALSE, htype_received },
736 { US"reply-to", 8, FALSE, htype_reply_to },
737 { US"return-path", 11, FALSE, htype_return_path },
738 { US"sender", 6, TRUE, htype_sender },
739 { US"subject", 7, FALSE, htype_subject },
740 { US"to", 2, TRUE, htype_to }
741 };
742
743 int header_names_size = sizeof(header_names)/sizeof(header_name);
744
745 BOOL header_rewritten = FALSE;
746 uschar *helo_accept_junk_hosts = NULL;
747 uschar *helo_allow_chars = US"";
748 uschar *helo_lookup_domains = US"@ : @[]";
749 uschar *helo_try_verify_hosts = NULL;
750 BOOL helo_verified = FALSE;
751 BOOL helo_verify_failed = FALSE;
752 uschar *helo_verify_hosts = NULL;
753 const uschar *hex_digits = CUS"0123456789abcdef";
754 uschar *hold_domains = NULL;
755 BOOL host_checking = FALSE;
756 BOOL host_checking_callout = FALSE;
757 uschar *host_data = NULL;
758 BOOL host_find_failed_syntax= FALSE;
759 uschar *host_lookup = NULL;
760 BOOL host_lookup_deferred = FALSE;
761 BOOL host_lookup_failed = FALSE;
762 uschar *host_lookup_order = US"bydns:byaddr";
763 uschar *host_lookup_msg = US"";
764 int host_number = 0;
765 uschar *host_number_string = NULL;
766 uschar *host_reject_connection = NULL;
767 tree_node *hostlist_anchor = NULL;
768 int hostlist_count = 0;
769 uschar *hosts_treat_as_local = NULL;
770 uschar *hosts_connection_nolog = NULL;
771
772 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
773 BOOL ignore_fromline_local = FALSE;
774 uschar *ignore_fromline_hosts = NULL;
775 BOOL inetd_wait_mode = FALSE;
776 int inetd_wait_timeout = -1;
777 uschar *interface_address = NULL;
778 int interface_port = -1;
779 BOOL is_inetd = FALSE;
780 uschar *iterate_item = NULL;
781
782 int journal_fd = -1;
783
784 int keep_malformed = 4*24*60*60; /* 4 days */
785
786 uschar *eldap_dn = NULL;
787 int load_average = -2;
788 BOOL local_error_message = FALSE;
789 BOOL local_from_check = TRUE;
790 uschar *local_from_prefix = NULL;
791 uschar *local_from_suffix = NULL;
792
793 #if HAVE_IPV6
794 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
795 #else
796 uschar *local_interfaces = US"0.0.0.0";
797 #endif
798
799 uschar *local_scan_data = NULL;
800 int local_scan_timeout = 5*60;
801 BOOL local_sender_retain = FALSE;
802 gid_t local_user_gid = (gid_t)(-1);
803 uid_t local_user_uid = (uid_t)(-1);
804
805 tree_node *localpartlist_anchor= NULL;
806 int localpartlist_count = 0;
807 uschar *log_buffer = NULL;
808 unsigned int log_extra_selector = LX_default;
809 uschar *log_file_path = US LOG_FILE_PATH
810 "\0<--------------Space to patch log_file_path->";
811
812 /* Those log options with L_xxx identifiers have values less than 0x800000 and
813 are the ones that get put into log_write_selector. They can be used in calls to
814 log_write() to test for the bit. The options with LX_xxx identifiers have
815 values greater than 0x80000000 and are put into log_extra_selector (without the
816 top bit). They are never used in calls to log_write(), but are tested
817 independently. This separation became necessary when the number of log
818 selectors was getting close to filling a 32-bit word. */
819
820 /* Note that this list must be in alphabetical order. */
821
822 bit_table log_options[] = {
823 { US"8bitmime", LX_8bitmime },
824 { US"acl_warn_skipped", LX_acl_warn_skipped },
825 { US"address_rewrite", L_address_rewrite },
826 { US"all", L_all },
827 { US"all_parents", L_all_parents },
828 { US"arguments", LX_arguments },
829 { US"connection_reject", L_connection_reject },
830 { US"delay_delivery", L_delay_delivery },
831 { US"deliver_time", LX_deliver_time },
832 { US"delivery_size", LX_delivery_size },
833 { US"dnslist_defer", L_dnslist_defer },
834 { US"etrn", L_etrn },
835 { US"host_lookup_failed", L_host_lookup_failed },
836 { US"ident_timeout", LX_ident_timeout },
837 { US"incoming_interface", LX_incoming_interface },
838 { US"incoming_port", LX_incoming_port },
839 { US"lost_incoming_connection", L_lost_incoming_connection },
840 { US"outgoing_port", LX_outgoing_port },
841 { US"pid", LX_pid },
842 #ifdef EXPERIMENTAL_PROXY
843 { US"proxy", LX_proxy },
844 #endif
845 { US"queue_run", L_queue_run },
846 { US"queue_time", LX_queue_time },
847 { US"queue_time_overall", LX_queue_time_overall },
848 { US"received_recipients", LX_received_recipients },
849 { US"received_sender", LX_received_sender },
850 { US"rejected_header", LX_rejected_header },
851 { US"rejected_headers", LX_rejected_header },
852 { US"retry_defer", L_retry_defer },
853 { US"return_path_on_delivery", LX_return_path_on_delivery },
854 { US"sender_on_delivery", LX_sender_on_delivery },
855 { US"sender_verify_fail", LX_sender_verify_fail },
856 { US"size_reject", L_size_reject },
857 { US"skip_delivery", L_skip_delivery },
858 { US"smtp_confirmation", LX_smtp_confirmation },
859 { US"smtp_connection", L_smtp_connection },
860 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
861 { US"smtp_mailauth", LX_smtp_mailauth },
862 { US"smtp_no_mail", LX_smtp_no_mail },
863 { US"smtp_protocol_error", L_smtp_protocol_error },
864 { US"smtp_syntax_error", L_smtp_syntax_error },
865 { US"subject", LX_subject },
866 { US"tls_certificate_verified", LX_tls_certificate_verified },
867 { US"tls_cipher", LX_tls_cipher },
868 { US"tls_peerdn", LX_tls_peerdn },
869 { US"tls_sni", LX_tls_sni },
870 { US"unknown_in_list", LX_unknown_in_list }
871 };
872
873 int log_options_count = sizeof(log_options)/sizeof(bit_table);
874 int log_reject_target = 0;
875 uschar *log_selector_string = NULL;
876 FILE *log_stderr = NULL;
877 BOOL log_testing_mode = FALSE;
878 BOOL log_timezone = FALSE;
879 unsigned int log_write_selector= L_default;
880 uschar *login_sender_address = NULL;
881 uschar *lookup_dnssec_authenticated = NULL;
882 int lookup_open_max = 25;
883 uschar *lookup_value = NULL;
884
885 macro_item *macros = NULL;
886 uschar *mailstore_basename = NULL;
887 #ifdef WITH_CONTENT_SCAN
888 uschar *malware_name = NULL; /* Virus Name */
889 #endif
890 int max_received_linelength= 0;
891 int max_username_length = 0;
892 int message_age = 0;
893 uschar *message_body = NULL;
894 uschar *message_body_end = NULL;
895 BOOL message_body_newlines = FALSE;
896 int message_body_size = 0;
897 int message_body_visible = 500;
898 int message_ended = END_NOTSTARTED;
899 uschar *message_headers = NULL;
900 uschar *message_id;
901 uschar *message_id_domain = NULL;
902 uschar *message_id_text = NULL;
903 struct timeval message_id_tv = { 0, 0 };
904 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
905 uschar *message_id_external;
906 int message_linecount = 0;
907 BOOL message_logs = TRUE;
908 int message_size = 0;
909 uschar *message_size_limit = US"50M";
910 uschar message_subdir[2] = { 0, 0 };
911 uschar *message_reference = NULL;
912
913 /* MIME ACL expandables */
914 #ifdef WITH_CONTENT_SCAN
915 int mime_anomaly_level = 0;
916 const uschar *mime_anomaly_text = NULL;
917 uschar *mime_boundary = NULL;
918 uschar *mime_charset = NULL;
919 uschar *mime_content_description = NULL;
920 uschar *mime_content_disposition = NULL;
921 uschar *mime_content_id = NULL;
922 unsigned int mime_content_size = 0;
923 uschar *mime_content_transfer_encoding = NULL;
924 uschar *mime_content_type = NULL;
925 uschar *mime_decoded_filename = NULL;
926 uschar *mime_filename = NULL;
927 int mime_is_multipart = 0;
928 int mime_is_coverletter = 0;
929 int mime_is_rfc822 = 0;
930 int mime_part_count = -1;
931 #endif
932
933 BOOL mua_wrapper = FALSE;
934
935 uid_t *never_users = NULL;
936 #ifdef WITH_CONTENT_SCAN
937 BOOL no_mbox_unspool = FALSE;
938 #endif
939 BOOL no_multiline_responses = FALSE;
940
941 uid_t original_euid;
942 gid_t originator_gid;
943 uschar *originator_login = NULL;
944 uschar *originator_name = NULL;
945 uid_t originator_uid;
946 uschar *override_local_interfaces = NULL;
947 uschar *override_pid_file_path = NULL;
948
949 BOOL parse_allow_group = FALSE;
950 BOOL parse_found_group = FALSE;
951 uschar *percent_hack_domains = NULL;
952 uschar *pid_file_path = US PID_FILE_PATH
953 "\0<--------------Space to patch pid_file_path->";
954 BOOL pipelining_enable = TRUE;
955 uschar *pipelining_advertise_hosts = US"*";
956 BOOL preserve_message_logs = FALSE;
957 uschar *primary_hostname = NULL;
958 BOOL print_topbitchars = FALSE;
959 uschar process_info[PROCESS_INFO_SIZE];
960 int process_info_len = 0;
961 uschar *process_log_path = NULL;
962 BOOL prod_requires_admin = TRUE;
963
964 #ifdef EXPERIMENTAL_PROXY
965 uschar *proxy_host_address = US"";
966 int proxy_host_port = 0;
967 uschar *proxy_required_hosts = US"";
968 BOOL proxy_session = FALSE;
969 BOOL proxy_session_failed = FALSE;
970 uschar *proxy_target_address = US"";
971 int proxy_target_port = 0;
972 #endif
973
974 uschar *prvscheck_address = NULL;
975 uschar *prvscheck_keynum = NULL;
976 uschar *prvscheck_result = NULL;
977
978
979 uschar *qualify_domain_recipient = NULL;
980 uschar *qualify_domain_sender = NULL;
981 BOOL queue_2stage = FALSE;
982 uschar *queue_domains = NULL;
983 int queue_interval = -1;
984 BOOL queue_list_requires_admin = TRUE;
985 BOOL queue_only = FALSE;
986 uschar *queue_only_file = NULL;
987 int queue_only_load = -1;
988 BOOL queue_only_load_latch = TRUE;
989 BOOL queue_only_override = TRUE;
990 BOOL queue_only_policy = FALSE;
991 BOOL queue_run_first_delivery = FALSE;
992 BOOL queue_run_force = FALSE;
993 BOOL queue_run_in_order = FALSE;
994 BOOL queue_run_local = FALSE;
995 int queue_run_max = 5;
996 pid_t queue_run_pid = (pid_t)0;
997 int queue_run_pipe = -1;
998 BOOL queue_running = FALSE;
999 BOOL queue_smtp = FALSE;
1000 uschar *queue_smtp_domains = NULL;
1001
1002 unsigned int random_seed = 0;
1003 tree_node *ratelimiters_cmd = NULL;
1004 tree_node *ratelimiters_conn = NULL;
1005 tree_node *ratelimiters_mail = NULL;
1006 uschar *raw_active_hostname = NULL;
1007 uschar *raw_sender = NULL;
1008 uschar **raw_recipients = NULL;
1009 int raw_recipients_count = 0;
1010
1011 int rcpt_count = 0;
1012 int rcpt_fail_count = 0;
1013 int rcpt_defer_count = 0;
1014 gid_t real_gid;
1015 uid_t real_uid;
1016 BOOL really_exim = TRUE;
1017 BOOL receive_call_bombout = FALSE;
1018 int receive_linecount = 0;
1019 int receive_messagecount = 0;
1020 int receive_timeout = 0;
1021 int received_count = 0;
1022 uschar *received_for = NULL;
1023
1024 /* This is the default text for Received headers generated by Exim. The
1025 date will be automatically added on the end. */
1026
1027 uschar *received_header_text = US
1028 "Received: "
1029 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1030 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1031 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1032 "by $primary_hostname "
1033 "${if def:received_protocol {with $received_protocol}} "
1034 #ifdef SUPPORT_TLS
1035 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1036 #endif
1037 "(Exim $version_number)\n\t"
1038 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1039 "id $message_exim_id"
1040 "${if def:received_for {\n\tfor $received_for}}"
1041 "\0<---------------Space to patch received_header_text->";
1042
1043 int received_headers_max = 30;
1044 uschar *received_protocol = NULL;
1045 int received_time = 0;
1046 uschar *recipient_data = NULL;
1047 uschar *recipient_unqualified_hosts = NULL;
1048 uschar *recipient_verify_failure = NULL;
1049 int recipients_count = 0;
1050 BOOL recipients_discarded = FALSE;
1051 recipient_item *recipients_list = NULL;
1052 int recipients_list_max = 0;
1053 int recipients_max = 0;
1054 BOOL recipients_max_reject = FALSE;
1055 const pcre *regex_AUTH = NULL;
1056 const pcre *regex_check_dns_names = NULL;
1057 const pcre *regex_From = NULL;
1058 const pcre *regex_IGNOREQUOTA = NULL;
1059 const pcre *regex_PIPELINING = NULL;
1060 const pcre *regex_SIZE = NULL;
1061 const pcre *regex_smtp_code = NULL;
1062 const pcre *regex_ismsgid = NULL;
1063 #ifdef WHITELIST_D_MACROS
1064 const pcre *regex_whitelisted_macro = NULL;
1065 #endif
1066 #ifdef WITH_CONTENT_SCAN
1067 uschar *regex_match_string = NULL;
1068 #endif
1069 int remote_delivery_count = 0;
1070 int remote_max_parallel = 2;
1071 uschar *remote_sort_domains = NULL;
1072 int retry_data_expire = 7*24*60*60;
1073 int retry_interval_max = 24*60*60;
1074 int retry_maximum_timeout = 0; /* set from retry config */
1075 retry_config *retries = NULL;
1076 uschar *return_path = NULL;
1077 BOOL return_path_remove = TRUE;
1078 int rewrite_existflags = 0;
1079 uschar *rfc1413_hosts = US"@[]";
1080 int rfc1413_query_timeout = 0;
1081 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1082 uid_t root_gid = ROOT_GID;
1083 uid_t root_uid = ROOT_UID;
1084
1085 router_instance *routers = NULL;
1086 router_instance router_defaults = {
1087 NULL, /* chain pointer */
1088 NULL, /* name */
1089 NULL, /* info */
1090 NULL, /* private options block pointer */
1091 NULL, /* driver name */
1092
1093 NULL, /* address_data */
1094 #ifdef EXPERIMENTAL_BRIGHTMAIL
1095 NULL, /* bmi_rule */
1096 #endif
1097 NULL, /* cannot_route_message */
1098 NULL, /* condition */
1099 NULL, /* current_directory */
1100 NULL, /* debug_string */
1101 NULL, /* domains */
1102 NULL, /* errors_to */
1103 NULL, /* expand_gid */
1104 NULL, /* expand_uid */
1105 NULL, /* expand_more */
1106 NULL, /* expand_unseen */
1107 NULL, /* extra_headers */
1108 NULL, /* fallback_hosts */
1109 NULL, /* home_directory */
1110 NULL, /* ignore_target_hosts */
1111 NULL, /* local_parts */
1112 NULL, /* pass_router_name */
1113 NULL, /* prefix */
1114 NULL, /* redirect_router_name */
1115 NULL, /* remove_headers */
1116 NULL, /* require_files */
1117 NULL, /* router_home_directory */
1118 US"freeze", /* self */
1119 NULL, /* senders */
1120 NULL, /* suffix */
1121 NULL, /* translate_ip_address */
1122 NULL, /* transport_name */
1123
1124 TRUE, /* address_test */
1125 #ifdef EXPERIMENTAL_BRIGHTMAIL
1126 FALSE, /* bmi_deliver_alternate */
1127 FALSE, /* bmi_deliver_default */
1128 FALSE, /* bmi_dont_deliver */
1129 #endif
1130 TRUE, /* expn */
1131 FALSE, /* caseful_local_part */
1132 FALSE, /* check_local_user */
1133 FALSE, /* disable_logging */
1134 FALSE, /* fail_verify_recipient */
1135 FALSE, /* fail_verify_sender */
1136 FALSE, /* gid_set */
1137 FALSE, /* initgroups */
1138 TRUE_UNSET, /* log_as_local */
1139 TRUE, /* more */
1140 FALSE, /* pass_on_timeout */
1141 FALSE, /* prefix_optional */
1142 TRUE, /* repeat_use */
1143 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1144 FALSE, /* same_domain_copy_routing */
1145 FALSE, /* self_rewrite */
1146 FALSE, /* suffix_optional */
1147 FALSE, /* verify_only */
1148 TRUE, /* verify_recipient */
1149 TRUE, /* verify_sender */
1150 FALSE, /* uid_set */
1151 FALSE, /* unseen */
1152 #ifdef EXPERIMENTAL_DSN
1153 FALSE, /* dsn_lasthop */
1154 #endif
1155
1156 self_freeze, /* self_code */
1157 (uid_t)(-1), /* uid */
1158 (gid_t)(-1), /* gid */
1159
1160 NULL, /* fallback_hostlist */
1161 NULL, /* transport instance */
1162 NULL, /* pass_router */
1163 NULL /* redirect_router */
1164 };
1165
1166 uschar *router_name = NULL;
1167
1168 ip_address_item *running_interfaces = NULL;
1169 BOOL running_in_test_harness = FALSE;
1170
1171 /* This is a weird one. The following string gets patched in the binary by the
1172 script that sets up a copy of Exim for running in the test harness. It seems
1173 that compilers are now clever, and share constant strings if they can.
1174 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1175 make use of the end of this string in order to save space. So the patching then
1176 wrecks this. We defeat this optimization by adding some additional characters
1177 onto the end of the string. */
1178
1179 uschar *running_status = US">>>running<<<" "\0EXTRA";
1180
1181 int runrc = 0;
1182
1183 uschar *search_error_message = NULL;
1184 BOOL search_find_defer = FALSE;
1185 uschar *self_hostname = NULL;
1186 uschar *sender_address = NULL;
1187 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1188 uschar *sender_address_data = NULL;
1189 BOOL sender_address_forced = FALSE;
1190 uschar *sender_address_unrewritten = NULL;
1191 uschar *sender_data = NULL;
1192 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1193 uschar *sender_fullhost = NULL;
1194 uschar *sender_helo_name = NULL;
1195 uschar **sender_host_aliases = &no_aliases;
1196 uschar *sender_host_address = NULL;
1197 uschar *sender_host_authenticated = NULL;
1198 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1199 BOOL sender_host_dnssec = FALSE;
1200 uschar *sender_host_name = NULL;
1201 int sender_host_port = 0;
1202 BOOL sender_host_notsocket = FALSE;
1203 BOOL sender_host_unknown = FALSE;
1204 uschar *sender_ident = NULL;
1205 BOOL sender_local = FALSE;
1206 BOOL sender_name_forced = FALSE;
1207 uschar *sender_rate = NULL;
1208 uschar *sender_rate_limit = NULL;
1209 uschar *sender_rate_period = NULL;
1210 uschar *sender_rcvhost = NULL;
1211 BOOL sender_set_untrusted = FALSE;
1212 uschar *sender_unqualified_hosts = NULL;
1213 uschar *sender_verify_failure = NULL;
1214 address_item *sender_verified_list = NULL;
1215 address_item *sender_verified_failed = NULL;
1216 int sender_verified_rc = -1;
1217 BOOL sender_verified_responded = FALSE;
1218 uschar *sending_ip_address = NULL;
1219 int sending_port = -1;
1220 SIGNAL_BOOL sigalrm_seen = FALSE;
1221 uschar **sighup_argv = NULL;
1222 int smtp_accept_count = 0;
1223 BOOL smtp_accept_keepalive = TRUE;
1224 int smtp_accept_max = 20;
1225 int smtp_accept_max_nonmail= 10;
1226 uschar *smtp_accept_max_nonmail_hosts = US"*";
1227 int smtp_accept_max_per_connection = 1000;
1228 uschar *smtp_accept_max_per_host = NULL;
1229 int smtp_accept_queue = 0;
1230 int smtp_accept_queue_per_connection = 10;
1231 int smtp_accept_reserve = 0;
1232 uschar *smtp_active_hostname = NULL;
1233 BOOL smtp_authenticated = FALSE;
1234 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1235 "Exim $version_number $tod_full"
1236 "\0<---------------Space to patch smtp_banner->";
1237 BOOL smtp_batched_input = FALSE;
1238 BOOL smtp_check_spool_space = TRUE;
1239 int smtp_ch_index = 0;
1240 uschar *smtp_cmd_argument = NULL;
1241 uschar *smtp_cmd_buffer = NULL;
1242 time_t smtp_connection_start = 0;
1243 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1244 int smtp_connect_backlog = 20;
1245 double smtp_delay_mail = 0.0;
1246 double smtp_delay_rcpt = 0.0;
1247 BOOL smtp_enforce_sync = TRUE;
1248 FILE *smtp_in = NULL;
1249 BOOL smtp_input = FALSE;
1250 int smtp_load_reserve = -1;
1251 int smtp_mailcmd_count = 0;
1252 FILE *smtp_out = NULL;
1253 uschar *smtp_etrn_command = NULL;
1254 BOOL smtp_etrn_serialize = TRUE;
1255 int smtp_max_synprot_errors= 3;
1256 int smtp_max_unknown_commands = 3;
1257 uschar *smtp_notquit_reason = NULL;
1258 uschar *smtp_ratelimit_hosts = NULL;
1259 uschar *smtp_ratelimit_mail = NULL;
1260 uschar *smtp_ratelimit_rcpt = NULL;
1261 uschar *smtp_read_error = US"";
1262 int smtp_receive_timeout = 5*60;
1263 uschar *smtp_reserve_hosts = NULL;
1264 BOOL smtp_return_error_details = FALSE;
1265 int smtp_rlm_base = 0;
1266 double smtp_rlm_factor = 0.0;
1267 int smtp_rlm_limit = 0;
1268 int smtp_rlm_threshold = INT_MAX;
1269 int smtp_rlr_base = 0;
1270 double smtp_rlr_factor = 0.0;
1271 int smtp_rlr_limit = 0;
1272 int smtp_rlr_threshold = INT_MAX;
1273 BOOL smtp_use_pipelining = FALSE;
1274 BOOL smtp_use_size = FALSE;
1275
1276 #ifdef WITH_CONTENT_SCAN
1277 uschar *spamd_address = US"127.0.0.1 783";
1278 uschar *spam_bar = NULL;
1279 uschar *spam_report = NULL;
1280 uschar *spam_score = NULL;
1281 uschar *spam_score_int = NULL;
1282 #endif
1283 #ifdef EXPERIMENTAL_SPF
1284 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1285 uschar *spf_header_comment = NULL;
1286 uschar *spf_received = NULL;
1287 uschar *spf_result = NULL;
1288 uschar *spf_smtp_comment = NULL;
1289 #endif
1290
1291 BOOL split_spool_directory = FALSE;
1292 uschar *spool_directory = US SPOOL_DIRECTORY
1293 "\0<--------------Space to patch spool_directory->";
1294 #ifdef EXPERIMENTAL_SRS
1295 uschar *srs_config = NULL;
1296 uschar *srs_db_address = NULL;
1297 uschar *srs_db_key = NULL;
1298 int srs_hashlength = 6;
1299 int srs_hashmin = -1;
1300 int srs_maxage = 31;
1301 uschar *srs_orig_recipient = NULL;
1302 uschar *srs_orig_sender = NULL;
1303 uschar *srs_recipient = NULL;
1304 uschar *srs_secrets = NULL;
1305 uschar *srs_status = NULL;
1306 BOOL srs_usehash = TRUE;
1307 BOOL srs_usetimestamp = TRUE;
1308 #endif
1309 BOOL strict_acl_vars = FALSE;
1310 int string_datestamp_offset= -1;
1311 int string_datestamp_length= 0;
1312 int string_datestamp_type = -1;
1313 BOOL strip_excess_angle_brackets = FALSE;
1314 BOOL strip_trailing_dot = FALSE;
1315 uschar *submission_domain = NULL;
1316 BOOL submission_mode = FALSE;
1317 uschar *submission_name = NULL;
1318 BOOL suppress_local_fixups = FALSE;
1319 BOOL suppress_local_fixups_default = FALSE;
1320 BOOL synchronous_delivery = FALSE;
1321 BOOL syslog_duplication = TRUE;
1322 int syslog_facility = LOG_MAIL;
1323 uschar *syslog_processname = US"exim";
1324 BOOL syslog_timestamp = TRUE;
1325 uschar *system_filter = NULL;
1326
1327 uschar *system_filter_directory_transport = NULL;
1328 uschar *system_filter_file_transport = NULL;
1329 uschar *system_filter_pipe_transport = NULL;
1330 uschar *system_filter_reply_transport = NULL;
1331
1332 gid_t system_filter_gid = 0;
1333 BOOL system_filter_gid_set = FALSE;
1334 uid_t system_filter_uid = (uid_t)-1;
1335 BOOL system_filter_uid_set = FALSE;
1336 BOOL system_filtering = FALSE;
1337
1338 BOOL tcp_nodelay = TRUE;
1339 #ifdef USE_TCP_WRAPPERS
1340 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1341 #endif
1342 int test_harness_load_avg = 0;
1343 int thismessage_size_limit = 0;
1344 int timeout_frozen_after = 0;
1345 BOOL timestamps_utc = FALSE;
1346
1347 transport_instance *transports = NULL;
1348
1349 transport_instance transport_defaults = {
1350 NULL, /* chain pointer */
1351 NULL, /* name */
1352 NULL, /* info */
1353 NULL, /* private options block pointer */
1354 NULL, /* driver name */
1355 NULL, /* setup entry point */
1356 1, /* batch_max */
1357 NULL, /* batch_id */
1358 NULL, /* home_dir */
1359 NULL, /* current_dir */
1360 NULL, /* expand-multi-domain */
1361 TRUE, /* multi-domain */
1362 FALSE, /* overrides_hosts */
1363 100, /* max_addresses */
1364 500, /* connection_max_messages */
1365 FALSE, /* deliver_as_creator */
1366 FALSE, /* disable_logging */
1367 FALSE, /* initgroups */
1368 FALSE, /* uid_set */
1369 FALSE, /* gid_set */
1370 (uid_t)(-1), /* uid */
1371 (gid_t)(-1), /* gid */
1372 NULL, /* expand_uid */
1373 NULL, /* expand_gid */
1374 NULL, /* warn_message */
1375 NULL, /* shadow */
1376 NULL, /* shadow_condition */
1377 NULL, /* filter_command */
1378 NULL, /* add_headers */
1379 NULL, /* remove_headers */
1380 NULL, /* return_path */
1381 NULL, /* debug_string */
1382 NULL, /* message_size_limit */
1383 NULL, /* headers_rewrite */
1384 NULL, /* rewrite_rules */
1385 0, /* rewrite_existflags */
1386 300, /* filter_timeout */
1387 FALSE, /* body_only */
1388 FALSE, /* delivery_date_add */
1389 FALSE, /* envelope_to_add */
1390 FALSE, /* headers_only */
1391 FALSE, /* rcpt_include_affixes */
1392 FALSE, /* return_path_add */
1393 FALSE, /* return_output */
1394 FALSE, /* return_fail_output */
1395 FALSE, /* log_output */
1396 FALSE, /* log_fail_output */
1397 FALSE, /* log_defer_output */
1398 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1399 1 nor 0 so can detect unset */
1400 #ifdef EXPERIMENTAL_EVENT
1401 ,NULL /* event_action */
1402 #endif
1403 };
1404
1405 int transport_count;
1406 uschar *transport_name = NULL;
1407 int transport_newlines;
1408 uschar **transport_filter_argv = NULL;
1409 int transport_filter_timeout;
1410 BOOL transport_filter_timed_out = FALSE;
1411 int transport_write_timeout= 0;
1412
1413 tree_node *tree_dns_fails = NULL;
1414 tree_node *tree_duplicates = NULL;
1415 tree_node *tree_nonrecipients = NULL;
1416 tree_node *tree_unusable = NULL;
1417
1418 BOOL trusted_caller = FALSE;
1419 BOOL trusted_config = TRUE;
1420 gid_t *trusted_groups = NULL;
1421 uid_t *trusted_users = NULL;
1422 uschar *timezone_string = US TIMEZONE_DEFAULT;
1423
1424 uschar *unknown_login = NULL;
1425 uschar *unknown_username = NULL;
1426 uschar *untrusted_set_sender = NULL;
1427
1428 /* A regex for matching a "From_" line in an incoming message, in the form
1429
1430 From ph10 Fri Jan 5 12:35 GMT 1996
1431
1432 which the "mail" commands send to the MTA (undocumented, of course), or in
1433 the form
1434
1435 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1436
1437 which is apparently used by some UUCPs, despite it not being in RFC 976.
1438 Because of variations in time formats, just match up to the minutes. That
1439 should be sufficient. Examples have been seen of time fields like 12:1:03,
1440 so just require one digit for hours and minutes. The weekday is also absent
1441 in some forms. */
1442
1443 uschar *uucp_from_pattern = US
1444 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1445 "(?:" /* Non-extracting bracket */
1446 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1447 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1448 ")" /* End alternation */
1449 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1450
1451 uschar *uucp_from_sender = US"$1";
1452
1453 uschar *verify_mode = NULL;
1454 uschar *version_copyright =
1455 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1456 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1457 uschar *version_date = US"?";
1458 uschar *version_cnumber = US"????";
1459 uschar *version_string = US"?";
1460
1461 uschar *warn_message_file = NULL;
1462 int warning_count = 0;
1463 uschar *warnmsg_delay = NULL;
1464 uschar *warnmsg_recipients = NULL;
1465 BOOL write_rejectlog = TRUE;
1466
1467
1468 /* End of globals.c */
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