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Compiler quietening
[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 #endif
109 NULL, /* tls_cipher */
110 FALSE,/* tls_on_connect */
111 NULL, /* tls_on_connect_ports */
112 NULL, /* tls_ourcert */
113 NULL, /* tls_peercert */
114 NULL, /* tls_peerdn */
115 NULL, /* tls_sni */
116 0 /* tls_ocsp */
117 };
118 tls_support tls_out = {
119 -1, /* tls_active */
120 0, /* tls_bits */
121 FALSE,/* tls_certificate_verified */
122 #ifdef EXPERIMENTAL_DANE
123 FALSE,/* dane_verified */
124 #endif
125 NULL, /* tls_cipher */
126 FALSE,/* tls_on_connect */
127 NULL, /* tls_on_connect_ports */
128 NULL, /* tls_ourcert */
129 NULL, /* tls_peercert */
130 NULL, /* tls_peerdn */
131 NULL, /* tls_sni */
132 0 /* tls_ocsp */
133 };
134
135 #ifdef EXPERIMENTAL_DSN
136 uschar *dsn_envid = NULL;
137 int dsn_ret = 0;
138 const pcre *regex_DSN = NULL;
139 BOOL smtp_use_dsn = FALSE;
140 uschar *dsn_advertise_hosts = NULL;
141 #endif
142
143 #ifdef SUPPORT_TLS
144 BOOL gnutls_compat_mode = FALSE;
145 BOOL gnutls_allow_auto_pkcs11 = FALSE;
146 uschar *gnutls_require_mac = NULL;
147 uschar *gnutls_require_kx = NULL;
148 uschar *gnutls_require_proto = NULL;
149 uschar *openssl_options = NULL;
150 const pcre *regex_STARTTLS = NULL;
151 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
152 uschar *tls_certificate = NULL;
153 uschar *tls_crl = NULL;
154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
155 that's the interop problem which has been observed: GnuTLS suggesting a higher
156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
157 int tls_dh_max_bits = 2236;
158 uschar *tls_dhparam = NULL;
159 #ifndef DISABLE_OCSP
160 uschar *tls_ocsp_file = NULL;
161 #endif
162 BOOL tls_offered = FALSE;
163 uschar *tls_privatekey = NULL;
164 BOOL tls_remember_esmtp = FALSE;
165 uschar *tls_require_ciphers = NULL;
166 uschar *tls_try_verify_hosts = NULL;
167 uschar *tls_verify_certificates= NULL;
168 uschar *tls_verify_hosts = NULL;
169 #endif
170
171 #ifndef DISABLE_PRDR
172 /* Per Recipient Data Response variables */
173 BOOL prdr_enable = FALSE;
174 BOOL prdr_requested = FALSE;
175 const pcre *regex_PRDR = NULL;
176 #endif
177
178 /* Input-reading functions for messages, so we can use special ones for
179 incoming TCP/IP. The defaults use stdin. We never need these for any
180 stand-alone tests. */
181
182 #ifndef STAND_ALONE
183 int (*receive_getc)(void) = stdin_getc;
184 int (*receive_ungetc)(int) = stdin_ungetc;
185 int (*receive_feof)(void) = stdin_feof;
186 int (*receive_ferror)(void) = stdin_ferror;
187 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
188 #endif
189
190
191 /* List of per-address expansion variables for clearing and saving/restoring
192 when verifying one address while routing/verifying another. We have to have
193 the size explicit, because it is referenced from more than one module. */
194
195 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
196 &deliver_address_data,
197 &deliver_domain,
198 &deliver_domain_data,
199 &deliver_domain_orig,
200 &deliver_domain_parent,
201 &deliver_localpart,
202 &deliver_localpart_data,
203 &deliver_localpart_orig,
204 &deliver_localpart_parent,
205 &deliver_localpart_prefix,
206 &deliver_localpart_suffix,
207 (uschar **)(&deliver_recipients),
208 &deliver_host,
209 &deliver_home,
210 &address_file,
211 &address_pipe,
212 &self_hostname,
213 NULL };
214
215 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
216
217 /* General global variables */
218
219 header_line *acl_added_headers = NULL;
220 tree_node *acl_anchor = NULL;
221 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
222 NULL, NULL, NULL, NULL};
223 int acl_narg = 0;
224
225 uschar *acl_not_smtp = NULL;
226 #ifdef WITH_CONTENT_SCAN
227 uschar *acl_not_smtp_mime = NULL;
228 #endif
229 uschar *acl_not_smtp_start = NULL;
230 uschar *acl_removed_headers = NULL;
231 uschar *acl_smtp_auth = NULL;
232 uschar *acl_smtp_connect = NULL;
233 uschar *acl_smtp_data = NULL;
234 #ifndef DISABLE_PRDR
235 uschar *acl_smtp_data_prdr = NULL;
236 #endif
237 #ifndef DISABLE_DKIM
238 uschar *acl_smtp_dkim = NULL;
239 #endif
240 uschar *acl_smtp_etrn = NULL;
241 uschar *acl_smtp_expn = NULL;
242 uschar *acl_smtp_helo = NULL;
243 uschar *acl_smtp_mail = NULL;
244 uschar *acl_smtp_mailauth = NULL;
245 #ifdef WITH_CONTENT_SCAN
246 uschar *acl_smtp_mime = NULL;
247 #endif
248 uschar *acl_smtp_notquit = NULL;
249 uschar *acl_smtp_predata = NULL;
250 uschar *acl_smtp_quit = NULL;
251 uschar *acl_smtp_rcpt = NULL;
252 uschar *acl_smtp_starttls = NULL;
253 uschar *acl_smtp_vrfy = NULL;
254
255 BOOL acl_temp_details = FALSE;
256 tree_node *acl_var_c = NULL;
257 tree_node *acl_var_m = NULL;
258 uschar *acl_verify_message = NULL;
259 string_item *acl_warn_logged = NULL;
260
261 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
262 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
263
264 uschar *acl_wherenames[] = { US"RCPT",
265 US"MAIL",
266 US"PREDATA",
267 US"MIME",
268 US"DKIM",
269 US"DATA",
270 #ifndef DISABLE_PRDR
271 US"PRDR",
272 #endif
273 US"non-SMTP",
274 US"AUTH",
275 US"connection",
276 US"ETRN",
277 US"EXPN",
278 US"EHLO or HELO",
279 US"MAILAUTH",
280 US"non-SMTP-start",
281 US"NOTQUIT",
282 US"QUIT",
283 US"STARTTLS",
284 US"VRFY",
285 US"delivery",
286 US"unknown"
287 };
288
289 uschar *acl_wherecodes[] = { US"550", /* RCPT */
290 US"550", /* MAIL */
291 US"550", /* PREDATA */
292 US"550", /* MIME */
293 US"550", /* DKIM */
294 US"550", /* DATA */
295 #ifndef DISABLE_PRDR
296 US"550", /* RCPT PRDR */
297 #endif
298 US"0", /* not SMTP; not relevant */
299 US"503", /* AUTH */
300 US"550", /* connect */
301 US"458", /* ETRN */
302 US"550", /* EXPN */
303 US"550", /* HELO/EHLO */
304 US"0", /* MAILAUTH; not relevant */
305 US"0", /* not SMTP; not relevant */
306 US"0", /* NOTQUIT; not relevant */
307 US"0", /* QUIT; not relevant */
308 US"550", /* STARTTLS */
309 US"252", /* VRFY */
310 US"0", /* delivery; not relevant */
311 US"0" /* unknown; not relevant */
312 };
313
314 BOOL active_local_from_check = FALSE;
315 BOOL active_local_sender_retain = FALSE;
316 int body_8bitmime = 0;
317 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
318 address_item *addr_duplicate = NULL;
319
320 address_item address_defaults = {
321 NULL, /* next */
322 NULL, /* parent */
323 NULL, /* first */
324 NULL, /* dupof */
325 NULL, /* start_router */
326 NULL, /* router */
327 NULL, /* transport */
328 NULL, /* host_list */
329 NULL, /* host_used */
330 NULL, /* fallback_hosts */
331 NULL, /* reply */
332 NULL, /* retries */
333 NULL, /* address */
334 NULL, /* unique */
335 NULL, /* cc_local_part */
336 NULL, /* lc_local_part */
337 NULL, /* local_part */
338 NULL, /* prefix */
339 NULL, /* suffix */
340 NULL, /* domain */
341 NULL, /* address_retry_key */
342 NULL, /* domain_retry_key */
343 NULL, /* current_dir */
344 NULL, /* home_dir */
345 NULL, /* message */
346 NULL, /* user_message */
347 NULL, /* onetime_parent */
348 NULL, /* pipe_expandn */
349 NULL, /* return_filename */
350 NULL, /* self_hostname */
351 NULL, /* shadow_message */
352 #ifdef SUPPORT_TLS
353 NULL, /* cipher */
354 NULL, /* ourcert */
355 NULL, /* peercert */
356 NULL, /* peerdn */
357 OCSP_NOT_REQ, /* ocsp */
358 #endif
359 NULL, /* authenticator */
360 NULL, /* auth_id */
361 NULL, /* auth_sndr */
362 #ifdef EXPERIMENTAL_DSN
363 NULL, /* dsn_orcpt */
364 0, /* dsn_flags */
365 0, /* dsn_aware */
366 #endif
367 (uid_t)(-1), /* uid */
368 (gid_t)(-1), /* gid */
369 0, /* flags */
370 { 0 }, /* domain_cache - any larger array should be zeroed */
371 { 0 }, /* localpart_cache - ditto */
372 -1, /* mode */
373 0, /* more_errno */
374 ERRNO_UNKNOWNERROR, /* basic_errno */
375 0, /* child_count */
376 -1, /* return_file */
377 SPECIAL_NONE, /* special_action */
378 DEFER, /* transport_return */
379 { /* fields that are propagated to children */
380 NULL, /* address_data */
381 NULL, /* domain_data */
382 NULL, /* localpart_data */
383 NULL, /* errors_address */
384 NULL, /* extra_headers */
385 NULL, /* remove_headers */
386 #ifdef EXPERIMENTAL_SRS
387 NULL, /* srs_sender */
388 #endif
389 }
390 };
391
392 uschar *address_file = NULL;
393 uschar *address_pipe = NULL;
394 BOOL address_test_mode = FALSE;
395 tree_node *addresslist_anchor = NULL;
396 int addresslist_count = 0;
397 gid_t *admin_groups = NULL;
398 BOOL admin_user = FALSE;
399 BOOL allow_auth_unadvertised= FALSE;
400 BOOL allow_domain_literals = FALSE;
401 BOOL allow_mx_to_ip = FALSE;
402 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
403 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
404 BOOL allow_utf8_domains = FALSE;
405 uschar *authenticated_fail_id = NULL;
406 uschar *authenticated_id = NULL;
407 uschar *authenticated_sender = NULL;
408 BOOL authentication_failed = FALSE;
409 auth_instance *auths = NULL;
410 uschar *auth_advertise_hosts = US"*";
411 auth_instance auth_defaults = {
412 NULL, /* chain pointer */
413 NULL, /* name */
414 NULL, /* info */
415 NULL, /* private options block pointer */
416 NULL, /* driver_name */
417 NULL, /* advertise_condition */
418 NULL, /* client_condition */
419 NULL, /* public_name */
420 NULL, /* set_id */
421 NULL, /* set_client_id */
422 NULL, /* server_mail_auth_condition */
423 NULL, /* server_debug_string */
424 NULL, /* server_condition */
425 FALSE, /* client */
426 FALSE, /* server */
427 FALSE /* advertised */
428 };
429
430 uschar *auth_defer_msg = US"reason not recorded";
431 uschar *auth_defer_user_msg = US"";
432 uschar *auth_vars[AUTH_VARS];
433 int auto_thaw = 0;
434 #ifdef WITH_CONTENT_SCAN
435 BOOL av_failed = FALSE;
436 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
437 #endif
438
439 BOOL background_daemon = TRUE;
440
441 #if BASE_62 == 62
442 uschar *base62_chars=
443 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
444 #else
445 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
446 #endif
447
448 uschar *bi_command = NULL;
449 uschar *big_buffer = NULL;
450 int big_buffer_size = BIG_BUFFER_SIZE;
451 #ifdef EXPERIMENTAL_BRIGHTMAIL
452 uschar *bmi_alt_location = NULL;
453 uschar *bmi_base64_tracker_verdict = NULL;
454 uschar *bmi_base64_verdict = NULL;
455 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
456 int bmi_deliver = 1;
457 int bmi_run = 0;
458 uschar *bmi_verdicts = NULL;
459 #endif
460 int body_linecount = 0;
461 int body_zerocount = 0;
462 uschar *bounce_message_file = NULL;
463 uschar *bounce_message_text = NULL;
464 uschar *bounce_recipient = NULL;
465 BOOL bounce_return_body = TRUE;
466 BOOL bounce_return_message = TRUE;
467 int bounce_return_size_limit = 100*1024;
468 uschar *bounce_sender_authentication = NULL;
469 int bsmtp_transaction_linecount = 0;
470
471 int callout_cache_domain_positive_expire = 7*24*60*60;
472 int callout_cache_domain_negative_expire = 3*60*60;
473 int callout_cache_positive_expire = 24*60*60;
474 int callout_cache_negative_expire = 2*60*60;
475 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
476 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
477 int check_log_inodes = 0;
478 int check_log_space = 0;
479 BOOL check_rfc2047_length = TRUE;
480 int check_spool_inodes = 0;
481 int check_spool_space = 0;
482 uschar *client_authenticator = NULL;
483 uschar *client_authenticated_id = NULL;
484 uschar *client_authenticated_sender = NULL;
485 int clmacro_count = 0;
486 uschar *clmacros[MAX_CLMACROS];
487 BOOL config_changed = FALSE;
488 FILE *config_file = NULL;
489 uschar *config_filename = NULL;
490 int config_lineno = 0;
491 #ifdef CONFIGURE_GROUP
492 gid_t config_gid = CONFIGURE_GROUP;
493 #endif
494 uschar *config_main_filelist = US CONFIGURE_FILE
495 "\0<-----------Space to patch configure_filename->";
496 uschar *config_main_filename = NULL;
497
498 #ifdef CONFIGURE_OWNER
499 uid_t config_uid = CONFIGURE_OWNER;
500 #endif
501
502 int connection_max_messages= -1;
503 uschar *continue_hostname = NULL;
504 uschar *continue_host_address = NULL;
505 BOOL continue_more = FALSE;
506 int continue_sequence = 1;
507 uschar *continue_transport = NULL;
508
509 uschar *csa_status = NULL;
510 BOOL cutthrough_delivery = FALSE;
511 int cutthrough_fd = -1;
512
513 BOOL daemon_listen = FALSE;
514 uschar *daemon_smtp_port = US"smtp";
515 int daemon_startup_retries = 9;
516 int daemon_startup_sleep = 30;
517
518 #ifdef EXPERIMENTAL_DCC
519 BOOL dcc_direct_add_header = FALSE;
520 uschar *dcc_header = NULL;
521 uschar *dcc_result = NULL;
522 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
523 uschar *dccifd_options = US"header";
524 #endif
525
526 BOOL debug_daemon = FALSE;
527 int debug_fd = -1;
528 FILE *debug_file = NULL;
529 bit_table debug_options[] = {
530 { US"acl", D_acl },
531 { US"all", D_all },
532 { US"auth", D_auth },
533 { US"deliver", D_deliver },
534 { US"dns", D_dns },
535 { US"dnsbl", D_dnsbl },
536 { US"exec", D_exec },
537 { US"expand", D_expand },
538 { US"filter", D_filter },
539 { US"hints_lookup", D_hints_lookup },
540 { US"host_lookup", D_host_lookup },
541 { US"ident", D_ident },
542 { US"interface", D_interface },
543 { US"lists", D_lists },
544 { US"load", D_load },
545 { US"local_scan", D_local_scan },
546 { US"lookup", D_lookup },
547 { US"memory", D_memory },
548 { US"pid", D_pid },
549 { US"process_info", D_process_info },
550 { US"queue_run", D_queue_run },
551 { US"receive", D_receive },
552 { US"resolver", D_resolver },
553 { US"retry", D_retry },
554 { US"rewrite", D_rewrite },
555 { US"route", D_route },
556 { US"timestamp", D_timestamp },
557 { US"tls", D_tls },
558 { US"transport", D_transport },
559 { US"uid", D_uid },
560 { US"verify", D_verify }
561 };
562 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
563 unsigned int debug_selector = 0;
564 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
565 uschar *delay_warning_condition=
566 US"${if or {"
567 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
568 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
569 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
570 "} {no}{yes}}";
571 BOOL delivery_date_remove = TRUE;
572 uschar *deliver_address_data = NULL;
573 int deliver_datafile = -1;
574 uschar *deliver_domain = NULL;
575 uschar *deliver_domain_data = NULL;
576 uschar *deliver_domain_orig = NULL;
577 uschar *deliver_domain_parent = NULL;
578 BOOL deliver_drop_privilege = FALSE;
579 BOOL deliver_firsttime = FALSE;
580 BOOL deliver_force = FALSE;
581 BOOL deliver_freeze = FALSE;
582 time_t deliver_frozen_at = 0;
583 uschar *deliver_home = NULL;
584 uschar *deliver_host = NULL;
585 uschar *deliver_host_address = NULL;
586 uschar *deliver_in_buffer = NULL;
587 ino_t deliver_inode = 0;
588 uschar *deliver_localpart = NULL;
589 uschar *deliver_localpart_data = NULL;
590 uschar *deliver_localpart_orig = NULL;
591 uschar *deliver_localpart_parent = NULL;
592 uschar *deliver_localpart_prefix = NULL;
593 uschar *deliver_localpart_suffix = NULL;
594 BOOL deliver_force_thaw = FALSE;
595 BOOL deliver_manual_thaw = FALSE;
596 uschar *deliver_out_buffer = NULL;
597 int deliver_queue_load_max = -1;
598 address_item *deliver_recipients = NULL;
599 uschar *deliver_selectstring = NULL;
600 BOOL deliver_selectstring_regex = FALSE;
601 uschar *deliver_selectstring_sender = NULL;
602 BOOL deliver_selectstring_sender_regex = FALSE;
603 #ifdef WITH_OLD_DEMIME
604 int demime_errorlevel = 0;
605 int demime_ok = 0;
606 uschar *demime_reason = NULL;
607 #endif
608 BOOL disable_callout_flush = FALSE;
609 BOOL disable_delay_flush = FALSE;
610 #ifdef ENABLE_DISABLE_FSYNC
611 BOOL disable_fsync = FALSE;
612 #endif
613 BOOL disable_ipv6 = FALSE;
614 BOOL disable_logging = FALSE;
615
616 #ifndef DISABLE_DKIM
617 uschar *dkim_cur_signer = NULL;
618 uschar *dkim_signers = NULL;
619 uschar *dkim_signing_domain = NULL;
620 uschar *dkim_signing_selector = NULL;
621 uschar *dkim_verify_signers = US"$dkim_signers";
622 BOOL dkim_collect_input = FALSE;
623 BOOL dkim_disable_verify = FALSE;
624 #endif
625 #ifdef EXPERIMENTAL_DMARC
626 BOOL dmarc_has_been_checked = FALSE;
627 uschar *dmarc_ar_header = NULL;
628 uschar *dmarc_domain_policy = NULL;
629 uschar *dmarc_forensic_sender = NULL;
630 uschar *dmarc_history_file = NULL;
631 uschar *dmarc_status = NULL;
632 uschar *dmarc_status_text = NULL;
633 uschar *dmarc_tld_file = NULL;
634 uschar *dmarc_used_domain = NULL;
635 BOOL dmarc_disable_verify = FALSE;
636 BOOL dmarc_enable_forensic = FALSE;
637 #endif
638
639 uschar *dns_again_means_nonexist = NULL;
640 int dns_csa_search_limit = 5;
641 BOOL dns_csa_use_reverse = TRUE;
642 #ifdef EXPERIMENTAL_DANE
643 int dns_dane_ok = -1;
644 #endif
645 uschar *dns_ipv4_lookup = NULL;
646 int dns_retrans = 0;
647 int dns_retry = 0;
648 int dns_dnssec_ok = -1; /* <0 = not coerced */
649 int dns_use_edns0 = -1; /* <0 = not coerced */
650 uschar *dnslist_domain = NULL;
651 uschar *dnslist_matched = NULL;
652 uschar *dnslist_text = NULL;
653 uschar *dnslist_value = NULL;
654 tree_node *domainlist_anchor = NULL;
655 int domainlist_count = 0;
656 BOOL dont_deliver = FALSE;
657 BOOL dot_ends = TRUE;
658 BOOL drop_cr = FALSE; /* No longer used */
659 uschar *dsn_from = US DEFAULT_DSN_FROM;
660
661 BOOL enable_dollar_recipients = FALSE;
662 BOOL envelope_to_remove = TRUE;
663 int errno_quota = ERRNO_QUOTA;
664 uschar *errors_copy = NULL;
665 int error_handling = ERRORS_SENDER;
666 uschar *errors_reply_to = NULL;
667 int errors_sender_rc = EXIT_FAILURE;
668
669 gid_t exim_gid = EXIM_GID;
670 BOOL exim_gid_set = TRUE; /* This gid is always set */
671 uschar *exim_path = US BIN_DIRECTORY "/exim"
672 "\0<---------------Space to patch exim_path->";
673 uid_t exim_uid = EXIM_UID;
674 BOOL exim_uid_set = TRUE; /* This uid is always set */
675 int expand_forbid = 0;
676 int expand_nlength[EXPAND_MAXN+1];
677 int expand_nmax = -1;
678 uschar *expand_nstring[EXPAND_MAXN+1];
679 BOOL expand_string_forcedfail = FALSE;
680 uschar *expand_string_message;
681 BOOL extract_addresses_remove_arguments = TRUE;
682 uschar *extra_local_interfaces = NULL;
683
684 int fake_response = OK;
685 uschar *fake_response_text = US"Your message has been rejected but is "
686 "being kept for evaluation.\nIf it was a "
687 "legitimate message, it may still be "
688 "delivered to the target recipient(s).";
689 int filter_n[FILTER_VARIABLE_COUNT];
690 BOOL filter_running = FALSE;
691 int filter_sn[FILTER_VARIABLE_COUNT];
692 int filter_test = FTEST_NONE;
693 uschar *filter_test_sfile = NULL;
694 uschar *filter_test_ufile = NULL;
695 uschar *filter_thisaddress = NULL;
696 int finduser_retries = 0;
697 #ifdef WITH_OLD_DEMIME
698 uschar *found_extension = NULL;
699 #endif
700 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
701 uschar *freeze_tell = NULL;
702 uschar *freeze_tell_config = NULL;
703 uschar *fudged_queue_times = US"";
704
705 uschar *gecos_name = NULL;
706 uschar *gecos_pattern = NULL;
707 rewrite_rule *global_rewrite_rules = NULL;
708
709 uschar *headers_charset = US HEADERS_CHARSET;
710 int header_insert_maxlen = 64 * 1024;
711 header_line *header_last = NULL;
712 header_line *header_list = NULL;
713 int header_maxsize = HEADER_MAXSIZE;
714 int header_line_maxsize = 0;
715
716 header_name header_names[] = {
717 { US"bcc", 3, TRUE, htype_bcc },
718 { US"cc", 2, TRUE, htype_cc },
719 { US"date", 4, TRUE, htype_date },
720 { US"delivery-date", 13, FALSE, htype_delivery_date },
721 { US"envelope-to", 11, FALSE, htype_envelope_to },
722 { US"from", 4, TRUE, htype_from },
723 { US"message-id", 10, TRUE, htype_id },
724 { US"received", 8, FALSE, htype_received },
725 { US"reply-to", 8, FALSE, htype_reply_to },
726 { US"return-path", 11, FALSE, htype_return_path },
727 { US"sender", 6, TRUE, htype_sender },
728 { US"subject", 7, FALSE, htype_subject },
729 { US"to", 2, TRUE, htype_to }
730 };
731
732 int header_names_size = sizeof(header_names)/sizeof(header_name);
733
734 BOOL header_rewritten = FALSE;
735 uschar *helo_accept_junk_hosts = NULL;
736 uschar *helo_allow_chars = US"";
737 uschar *helo_lookup_domains = US"@ : @[]";
738 uschar *helo_try_verify_hosts = NULL;
739 BOOL helo_verified = FALSE;
740 BOOL helo_verify_failed = FALSE;
741 uschar *helo_verify_hosts = NULL;
742 const uschar *hex_digits = CUS"0123456789abcdef";
743 uschar *hold_domains = NULL;
744 BOOL host_checking = FALSE;
745 BOOL host_checking_callout = FALSE;
746 uschar *host_data = NULL;
747 BOOL host_find_failed_syntax= FALSE;
748 uschar *host_lookup = NULL;
749 BOOL host_lookup_deferred = FALSE;
750 BOOL host_lookup_failed = FALSE;
751 uschar *host_lookup_order = US"bydns:byaddr";
752 uschar *host_lookup_msg = US"";
753 int host_number = 0;
754 uschar *host_number_string = NULL;
755 uschar *host_reject_connection = NULL;
756 tree_node *hostlist_anchor = NULL;
757 int hostlist_count = 0;
758 uschar *hosts_treat_as_local = NULL;
759 uschar *hosts_connection_nolog = NULL;
760
761 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
762 BOOL ignore_fromline_local = FALSE;
763 uschar *ignore_fromline_hosts = NULL;
764 BOOL inetd_wait_mode = FALSE;
765 int inetd_wait_timeout = -1;
766 uschar *interface_address = NULL;
767 int interface_port = -1;
768 BOOL is_inetd = FALSE;
769 uschar *iterate_item = NULL;
770
771 int journal_fd = -1;
772
773 int keep_malformed = 4*24*60*60; /* 4 days */
774
775 uschar *eldap_dn = NULL;
776 int load_average = -2;
777 BOOL local_error_message = FALSE;
778 BOOL local_from_check = TRUE;
779 uschar *local_from_prefix = NULL;
780 uschar *local_from_suffix = NULL;
781
782 #if HAVE_IPV6
783 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
784 #else
785 uschar *local_interfaces = US"0.0.0.0";
786 #endif
787
788 uschar *local_scan_data = NULL;
789 int local_scan_timeout = 5*60;
790 BOOL local_sender_retain = FALSE;
791 gid_t local_user_gid = (gid_t)(-1);
792 uid_t local_user_uid = (uid_t)(-1);
793
794 tree_node *localpartlist_anchor= NULL;
795 int localpartlist_count = 0;
796 uschar *log_buffer = NULL;
797 unsigned int log_extra_selector = LX_default;
798 uschar *log_file_path = US LOG_FILE_PATH
799 "\0<--------------Space to patch log_file_path->";
800
801 /* Those log options with L_xxx identifiers have values less than 0x800000 and
802 are the ones that get put into log_write_selector. They can be used in calls to
803 log_write() to test for the bit. The options with LX_xxx identifiers have
804 values greater than 0x80000000 and are put into log_extra_selector (without the
805 top bit). They are never used in calls to log_write(), but are tested
806 independently. This separation became necessary when the number of log
807 selectors was getting close to filling a 32-bit word. */
808
809 /* Note that this list must be in alphabetical order. */
810
811 bit_table log_options[] = {
812 { US"8bitmime", LX_8bitmime },
813 { US"acl_warn_skipped", LX_acl_warn_skipped },
814 { US"address_rewrite", L_address_rewrite },
815 { US"all", L_all },
816 { US"all_parents", L_all_parents },
817 { US"arguments", LX_arguments },
818 { US"connection_reject", L_connection_reject },
819 { US"delay_delivery", L_delay_delivery },
820 { US"deliver_time", LX_deliver_time },
821 { US"delivery_size", LX_delivery_size },
822 { US"dnslist_defer", L_dnslist_defer },
823 { US"etrn", L_etrn },
824 { US"host_lookup_failed", L_host_lookup_failed },
825 { US"ident_timeout", LX_ident_timeout },
826 { US"incoming_interface", LX_incoming_interface },
827 { US"incoming_port", LX_incoming_port },
828 { US"lost_incoming_connection", L_lost_incoming_connection },
829 { US"outgoing_port", LX_outgoing_port },
830 { US"pid", LX_pid },
831 #ifdef EXPERIMENTAL_PROXY
832 { US"proxy", LX_proxy },
833 #endif
834 { US"queue_run", L_queue_run },
835 { US"queue_time", LX_queue_time },
836 { US"queue_time_overall", LX_queue_time_overall },
837 { US"received_recipients", LX_received_recipients },
838 { US"received_sender", LX_received_sender },
839 { US"rejected_header", LX_rejected_header },
840 { US"rejected_headers", LX_rejected_header },
841 { US"retry_defer", L_retry_defer },
842 { US"return_path_on_delivery", LX_return_path_on_delivery },
843 { US"sender_on_delivery", LX_sender_on_delivery },
844 { US"sender_verify_fail", LX_sender_verify_fail },
845 { US"size_reject", L_size_reject },
846 { US"skip_delivery", L_skip_delivery },
847 { US"smtp_confirmation", LX_smtp_confirmation },
848 { US"smtp_connection", L_smtp_connection },
849 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
850 { US"smtp_mailauth", LX_smtp_mailauth },
851 { US"smtp_no_mail", LX_smtp_no_mail },
852 { US"smtp_protocol_error", L_smtp_protocol_error },
853 { US"smtp_syntax_error", L_smtp_syntax_error },
854 { US"subject", LX_subject },
855 { US"tls_certificate_verified", LX_tls_certificate_verified },
856 { US"tls_cipher", LX_tls_cipher },
857 { US"tls_peerdn", LX_tls_peerdn },
858 { US"tls_sni", LX_tls_sni },
859 { US"unknown_in_list", LX_unknown_in_list }
860 };
861
862 int log_options_count = sizeof(log_options)/sizeof(bit_table);
863 int log_reject_target = 0;
864 uschar *log_selector_string = NULL;
865 FILE *log_stderr = NULL;
866 BOOL log_testing_mode = FALSE;
867 BOOL log_timezone = FALSE;
868 unsigned int log_write_selector= L_default;
869 uschar *login_sender_address = NULL;
870 uschar *lookup_dnssec_authenticated = NULL;
871 int lookup_open_max = 25;
872 uschar *lookup_value = NULL;
873
874 macro_item *macros = NULL;
875 uschar *mailstore_basename = NULL;
876 #ifdef WITH_CONTENT_SCAN
877 uschar *malware_name = NULL; /* Virus Name */
878 #endif
879 int max_received_linelength= 0;
880 int max_username_length = 0;
881 int message_age = 0;
882 uschar *message_body = NULL;
883 uschar *message_body_end = NULL;
884 BOOL message_body_newlines = FALSE;
885 int message_body_size = 0;
886 int message_body_visible = 500;
887 int message_ended = END_NOTSTARTED;
888 uschar *message_headers = NULL;
889 uschar *message_id;
890 uschar *message_id_domain = NULL;
891 uschar *message_id_text = NULL;
892 struct timeval message_id_tv = { 0, 0 };
893 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
894 uschar *message_id_external;
895 int message_linecount = 0;
896 BOOL message_logs = TRUE;
897 int message_size = 0;
898 uschar *message_size_limit = US"50M";
899 uschar message_subdir[2] = { 0, 0 };
900 uschar *message_reference = NULL;
901
902 /* MIME ACL expandables */
903 #ifdef WITH_CONTENT_SCAN
904 int mime_anomaly_level = 0;
905 const uschar *mime_anomaly_text = NULL;
906 uschar *mime_boundary = NULL;
907 uschar *mime_charset = NULL;
908 uschar *mime_content_description = NULL;
909 uschar *mime_content_disposition = NULL;
910 uschar *mime_content_id = NULL;
911 unsigned int mime_content_size = 0;
912 uschar *mime_content_transfer_encoding = NULL;
913 uschar *mime_content_type = NULL;
914 uschar *mime_decoded_filename = NULL;
915 uschar *mime_filename = NULL;
916 int mime_is_multipart = 0;
917 int mime_is_coverletter = 0;
918 int mime_is_rfc822 = 0;
919 int mime_part_count = -1;
920 #endif
921
922 BOOL mua_wrapper = FALSE;
923
924 uid_t *never_users = NULL;
925 #ifdef WITH_CONTENT_SCAN
926 BOOL no_mbox_unspool = FALSE;
927 #endif
928 BOOL no_multiline_responses = FALSE;
929
930 uid_t original_euid;
931 gid_t originator_gid;
932 uschar *originator_login = NULL;
933 uschar *originator_name = NULL;
934 uid_t originator_uid;
935 uschar *override_local_interfaces = NULL;
936 uschar *override_pid_file_path = NULL;
937
938 BOOL parse_allow_group = FALSE;
939 BOOL parse_found_group = FALSE;
940 uschar *percent_hack_domains = NULL;
941 uschar *pid_file_path = US PID_FILE_PATH
942 "\0<--------------Space to patch pid_file_path->";
943 BOOL pipelining_enable = TRUE;
944 uschar *pipelining_advertise_hosts = US"*";
945 BOOL preserve_message_logs = FALSE;
946 uschar *primary_hostname = NULL;
947 BOOL print_topbitchars = FALSE;
948 uschar process_info[PROCESS_INFO_SIZE];
949 int process_info_len = 0;
950 uschar *process_log_path = NULL;
951 BOOL prod_requires_admin = TRUE;
952
953 #ifdef EXPERIMENTAL_PROXY
954 uschar *proxy_host_address = US"";
955 int proxy_host_port = 0;
956 uschar *proxy_required_hosts = US"";
957 BOOL proxy_session = FALSE;
958 BOOL proxy_session_failed = FALSE;
959 uschar *proxy_target_address = US"";
960 int proxy_target_port = 0;
961 #endif
962
963 uschar *prvscheck_address = NULL;
964 uschar *prvscheck_keynum = NULL;
965 uschar *prvscheck_result = NULL;
966
967
968 uschar *qualify_domain_recipient = NULL;
969 uschar *qualify_domain_sender = NULL;
970 BOOL queue_2stage = FALSE;
971 uschar *queue_domains = NULL;
972 int queue_interval = -1;
973 BOOL queue_list_requires_admin = TRUE;
974 BOOL queue_only = FALSE;
975 uschar *queue_only_file = NULL;
976 int queue_only_load = -1;
977 BOOL queue_only_load_latch = TRUE;
978 BOOL queue_only_override = TRUE;
979 BOOL queue_only_policy = FALSE;
980 BOOL queue_run_first_delivery = FALSE;
981 BOOL queue_run_force = FALSE;
982 BOOL queue_run_in_order = FALSE;
983 BOOL queue_run_local = FALSE;
984 int queue_run_max = 5;
985 pid_t queue_run_pid = (pid_t)0;
986 int queue_run_pipe = -1;
987 BOOL queue_running = FALSE;
988 BOOL queue_smtp = FALSE;
989 uschar *queue_smtp_domains = NULL;
990
991 unsigned int random_seed = 0;
992 tree_node *ratelimiters_cmd = NULL;
993 tree_node *ratelimiters_conn = NULL;
994 tree_node *ratelimiters_mail = NULL;
995 uschar *raw_active_hostname = NULL;
996 uschar *raw_sender = NULL;
997 uschar **raw_recipients = NULL;
998 int raw_recipients_count = 0;
999
1000 int rcpt_count = 0;
1001 int rcpt_fail_count = 0;
1002 int rcpt_defer_count = 0;
1003 gid_t real_gid;
1004 uid_t real_uid;
1005 BOOL really_exim = TRUE;
1006 BOOL receive_call_bombout = FALSE;
1007 int receive_linecount = 0;
1008 int receive_messagecount = 0;
1009 int receive_timeout = 0;
1010 int received_count = 0;
1011 uschar *received_for = NULL;
1012
1013 /* This is the default text for Received headers generated by Exim. The
1014 date will be automatically added on the end. */
1015
1016 uschar *received_header_text = US
1017 "Received: "
1018 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1019 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1020 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1021 "by $primary_hostname "
1022 "${if def:received_protocol {with $received_protocol}} "
1023 #ifdef SUPPORT_TLS
1024 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1025 #endif
1026 "(Exim $version_number)\n\t"
1027 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1028 "id $message_exim_id"
1029 "${if def:received_for {\n\tfor $received_for}}"
1030 "\0<---------------Space to patch received_header_text->";
1031
1032 int received_headers_max = 30;
1033 uschar *received_protocol = NULL;
1034 int received_time = 0;
1035 uschar *recipient_data = NULL;
1036 uschar *recipient_unqualified_hosts = NULL;
1037 uschar *recipient_verify_failure = NULL;
1038 int recipients_count = 0;
1039 BOOL recipients_discarded = FALSE;
1040 recipient_item *recipients_list = NULL;
1041 int recipients_list_max = 0;
1042 int recipients_max = 0;
1043 BOOL recipients_max_reject = FALSE;
1044 const pcre *regex_AUTH = NULL;
1045 const pcre *regex_check_dns_names = NULL;
1046 const pcre *regex_From = NULL;
1047 const pcre *regex_IGNOREQUOTA = NULL;
1048 const pcre *regex_PIPELINING = NULL;
1049 const pcre *regex_SIZE = NULL;
1050 const pcre *regex_smtp_code = NULL;
1051 const pcre *regex_ismsgid = NULL;
1052 #ifdef WHITELIST_D_MACROS
1053 const pcre *regex_whitelisted_macro = NULL;
1054 #endif
1055 #ifdef WITH_CONTENT_SCAN
1056 uschar *regex_match_string = NULL;
1057 #endif
1058 int remote_delivery_count = 0;
1059 int remote_max_parallel = 2;
1060 uschar *remote_sort_domains = NULL;
1061 int retry_data_expire = 7*24*60*60;
1062 int retry_interval_max = 24*60*60;
1063 int retry_maximum_timeout = 0; /* set from retry config */
1064 retry_config *retries = NULL;
1065 uschar *return_path = NULL;
1066 BOOL return_path_remove = TRUE;
1067 int rewrite_existflags = 0;
1068 uschar *rfc1413_hosts = US"*";
1069 int rfc1413_query_timeout = 5;
1070 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1071 uid_t root_gid = ROOT_GID;
1072 uid_t root_uid = ROOT_UID;
1073
1074 router_instance *routers = NULL;
1075 router_instance router_defaults = {
1076 NULL, /* chain pointer */
1077 NULL, /* name */
1078 NULL, /* info */
1079 NULL, /* private options block pointer */
1080 NULL, /* driver name */
1081
1082 NULL, /* address_data */
1083 #ifdef EXPERIMENTAL_BRIGHTMAIL
1084 NULL, /* bmi_rule */
1085 #endif
1086 NULL, /* cannot_route_message */
1087 NULL, /* condition */
1088 NULL, /* current_directory */
1089 NULL, /* debug_string */
1090 NULL, /* domains */
1091 NULL, /* errors_to */
1092 NULL, /* expand_gid */
1093 NULL, /* expand_uid */
1094 NULL, /* expand_more */
1095 NULL, /* expand_unseen */
1096 NULL, /* extra_headers */
1097 NULL, /* fallback_hosts */
1098 NULL, /* home_directory */
1099 NULL, /* ignore_target_hosts */
1100 NULL, /* local_parts */
1101 NULL, /* pass_router_name */
1102 NULL, /* prefix */
1103 NULL, /* redirect_router_name */
1104 NULL, /* remove_headers */
1105 NULL, /* require_files */
1106 NULL, /* router_home_directory */
1107 US"freeze", /* self */
1108 NULL, /* senders */
1109 NULL, /* suffix */
1110 NULL, /* translate_ip_address */
1111 NULL, /* transport_name */
1112
1113 TRUE, /* address_test */
1114 #ifdef EXPERIMENTAL_BRIGHTMAIL
1115 FALSE, /* bmi_deliver_alternate */
1116 FALSE, /* bmi_deliver_default */
1117 FALSE, /* bmi_dont_deliver */
1118 #endif
1119 TRUE, /* expn */
1120 FALSE, /* caseful_local_part */
1121 FALSE, /* check_local_user */
1122 FALSE, /* disable_logging */
1123 FALSE, /* fail_verify_recipient */
1124 FALSE, /* fail_verify_sender */
1125 FALSE, /* gid_set */
1126 FALSE, /* initgroups */
1127 TRUE_UNSET, /* log_as_local */
1128 TRUE, /* more */
1129 FALSE, /* pass_on_timeout */
1130 FALSE, /* prefix_optional */
1131 TRUE, /* repeat_use */
1132 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1133 FALSE, /* same_domain_copy_routing */
1134 FALSE, /* self_rewrite */
1135 FALSE, /* suffix_optional */
1136 FALSE, /* verify_only */
1137 TRUE, /* verify_recipient */
1138 TRUE, /* verify_sender */
1139 FALSE, /* uid_set */
1140 FALSE, /* unseen */
1141 #ifdef EXPERIMENTAL_DSN
1142 FALSE, /* dsn_lasthop */
1143 #endif
1144
1145 self_freeze, /* self_code */
1146 (uid_t)(-1), /* uid */
1147 (gid_t)(-1), /* gid */
1148
1149 NULL, /* fallback_hostlist */
1150 NULL, /* transport instance */
1151 NULL, /* pass_router */
1152 NULL /* redirect_router */
1153 };
1154
1155 uschar *router_name = NULL;
1156
1157 ip_address_item *running_interfaces = NULL;
1158 BOOL running_in_test_harness = FALSE;
1159
1160 /* This is a weird one. The following string gets patched in the binary by the
1161 script that sets up a copy of Exim for running in the test harness. It seems
1162 that compilers are now clever, and share constant strings if they can.
1163 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1164 make use of the end of this string in order to save space. So the patching then
1165 wrecks this. We defeat this optimization by adding some additional characters
1166 onto the end of the string. */
1167
1168 uschar *running_status = US">>>running<<<" "\0EXTRA";
1169
1170 int runrc = 0;
1171
1172 uschar *search_error_message = NULL;
1173 BOOL search_find_defer = FALSE;
1174 uschar *self_hostname = NULL;
1175 uschar *sender_address = NULL;
1176 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1177 uschar *sender_address_data = NULL;
1178 BOOL sender_address_forced = FALSE;
1179 uschar *sender_address_unrewritten = NULL;
1180 uschar *sender_data = NULL;
1181 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1182 uschar *sender_fullhost = NULL;
1183 uschar *sender_helo_name = NULL;
1184 uschar **sender_host_aliases = &no_aliases;
1185 uschar *sender_host_address = NULL;
1186 uschar *sender_host_authenticated = NULL;
1187 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1188 BOOL sender_host_dnssec = FALSE;
1189 uschar *sender_host_name = NULL;
1190 int sender_host_port = 0;
1191 BOOL sender_host_notsocket = FALSE;
1192 BOOL sender_host_unknown = FALSE;
1193 uschar *sender_ident = NULL;
1194 BOOL sender_local = FALSE;
1195 BOOL sender_name_forced = FALSE;
1196 uschar *sender_rate = NULL;
1197 uschar *sender_rate_limit = NULL;
1198 uschar *sender_rate_period = NULL;
1199 uschar *sender_rcvhost = NULL;
1200 BOOL sender_set_untrusted = FALSE;
1201 uschar *sender_unqualified_hosts = NULL;
1202 uschar *sender_verify_failure = NULL;
1203 address_item *sender_verified_list = NULL;
1204 address_item *sender_verified_failed = NULL;
1205 int sender_verified_rc = -1;
1206 BOOL sender_verified_responded = FALSE;
1207 uschar *sending_ip_address = NULL;
1208 int sending_port = -1;
1209 SIGNAL_BOOL sigalrm_seen = FALSE;
1210 uschar **sighup_argv = NULL;
1211 int smtp_accept_count = 0;
1212 BOOL smtp_accept_keepalive = TRUE;
1213 int smtp_accept_max = 20;
1214 int smtp_accept_max_nonmail= 10;
1215 uschar *smtp_accept_max_nonmail_hosts = US"*";
1216 int smtp_accept_max_per_connection = 1000;
1217 uschar *smtp_accept_max_per_host = NULL;
1218 int smtp_accept_queue = 0;
1219 int smtp_accept_queue_per_connection = 10;
1220 int smtp_accept_reserve = 0;
1221 uschar *smtp_active_hostname = NULL;
1222 BOOL smtp_authenticated = FALSE;
1223 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1224 "Exim $version_number $tod_full"
1225 "\0<---------------Space to patch smtp_banner->";
1226 BOOL smtp_batched_input = FALSE;
1227 BOOL smtp_check_spool_space = TRUE;
1228 int smtp_ch_index = 0;
1229 uschar *smtp_cmd_argument = NULL;
1230 uschar *smtp_cmd_buffer = NULL;
1231 time_t smtp_connection_start = 0;
1232 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1233 int smtp_connect_backlog = 20;
1234 double smtp_delay_mail = 0.0;
1235 double smtp_delay_rcpt = 0.0;
1236 BOOL smtp_enforce_sync = TRUE;
1237 FILE *smtp_in = NULL;
1238 BOOL smtp_input = FALSE;
1239 int smtp_load_reserve = -1;
1240 int smtp_mailcmd_count = 0;
1241 FILE *smtp_out = NULL;
1242 uschar *smtp_etrn_command = NULL;
1243 BOOL smtp_etrn_serialize = TRUE;
1244 int smtp_max_synprot_errors= 3;
1245 int smtp_max_unknown_commands = 3;
1246 uschar *smtp_notquit_reason = NULL;
1247 uschar *smtp_ratelimit_hosts = NULL;
1248 uschar *smtp_ratelimit_mail = NULL;
1249 uschar *smtp_ratelimit_rcpt = NULL;
1250 uschar *smtp_read_error = US"";
1251 int smtp_receive_timeout = 5*60;
1252 uschar *smtp_reserve_hosts = NULL;
1253 BOOL smtp_return_error_details = FALSE;
1254 int smtp_rlm_base = 0;
1255 double smtp_rlm_factor = 0.0;
1256 int smtp_rlm_limit = 0;
1257 int smtp_rlm_threshold = INT_MAX;
1258 int smtp_rlr_base = 0;
1259 double smtp_rlr_factor = 0.0;
1260 int smtp_rlr_limit = 0;
1261 int smtp_rlr_threshold = INT_MAX;
1262 BOOL smtp_use_pipelining = FALSE;
1263 BOOL smtp_use_size = FALSE;
1264
1265 #ifdef WITH_CONTENT_SCAN
1266 uschar *spamd_address = US"127.0.0.1 783";
1267 uschar *spam_bar = NULL;
1268 uschar *spam_report = NULL;
1269 uschar *spam_score = NULL;
1270 uschar *spam_score_int = NULL;
1271 #endif
1272 #ifdef EXPERIMENTAL_SPF
1273 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1274 uschar *spf_header_comment = NULL;
1275 uschar *spf_received = NULL;
1276 uschar *spf_result = NULL;
1277 uschar *spf_smtp_comment = NULL;
1278 #endif
1279
1280 BOOL split_spool_directory = FALSE;
1281 uschar *spool_directory = US SPOOL_DIRECTORY
1282 "\0<--------------Space to patch spool_directory->";
1283 #ifdef EXPERIMENTAL_SRS
1284 uschar *srs_config = NULL;
1285 uschar *srs_db_address = NULL;
1286 uschar *srs_db_key = NULL;
1287 int srs_hashlength = 6;
1288 int srs_hashmin = -1;
1289 int srs_maxage = 31;
1290 uschar *srs_orig_recipient = NULL;
1291 uschar *srs_orig_sender = NULL;
1292 uschar *srs_recipient = NULL;
1293 uschar *srs_secrets = NULL;
1294 uschar *srs_status = NULL;
1295 BOOL srs_usehash = TRUE;
1296 BOOL srs_usetimestamp = TRUE;
1297 #endif
1298 BOOL strict_acl_vars = FALSE;
1299 int string_datestamp_offset= -1;
1300 int string_datestamp_length= 0;
1301 int string_datestamp_type = -1;
1302 BOOL strip_excess_angle_brackets = FALSE;
1303 BOOL strip_trailing_dot = FALSE;
1304 uschar *submission_domain = NULL;
1305 BOOL submission_mode = FALSE;
1306 uschar *submission_name = NULL;
1307 BOOL suppress_local_fixups = FALSE;
1308 BOOL suppress_local_fixups_default = FALSE;
1309 BOOL synchronous_delivery = FALSE;
1310 BOOL syslog_duplication = TRUE;
1311 int syslog_facility = LOG_MAIL;
1312 uschar *syslog_processname = US"exim";
1313 BOOL syslog_timestamp = TRUE;
1314 uschar *system_filter = NULL;
1315
1316 uschar *system_filter_directory_transport = NULL;
1317 uschar *system_filter_file_transport = NULL;
1318 uschar *system_filter_pipe_transport = NULL;
1319 uschar *system_filter_reply_transport = NULL;
1320
1321 gid_t system_filter_gid = 0;
1322 BOOL system_filter_gid_set = FALSE;
1323 uid_t system_filter_uid = (uid_t)-1;
1324 BOOL system_filter_uid_set = FALSE;
1325 BOOL system_filtering = FALSE;
1326
1327 BOOL tcp_nodelay = TRUE;
1328 #ifdef USE_TCP_WRAPPERS
1329 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1330 #endif
1331 int test_harness_load_avg = 0;
1332 int thismessage_size_limit = 0;
1333 int timeout_frozen_after = 0;
1334 BOOL timestamps_utc = FALSE;
1335
1336 #ifdef EXPERIMENTAL_TPDA
1337 int tpda_defer_errno = 0;
1338 uschar *tpda_defer_errstr = NULL;
1339 uschar *tpda_delivery_ip = NULL;
1340 int tpda_delivery_port = 0;
1341 uschar *tpda_delivery_fqdn = NULL;
1342 uschar *tpda_delivery_local_part= NULL;
1343 uschar *tpda_delivery_domain = NULL;
1344 uschar *tpda_delivery_confirmation = NULL;
1345 #endif
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 TRUE, /* multi-domain */
1361 FALSE, /* overrides_hosts */
1362 100, /* max_addresses */
1363 500, /* connection_max_messages */
1364 FALSE, /* deliver_as_creator */
1365 FALSE, /* disable_logging */
1366 FALSE, /* initgroups */
1367 FALSE, /* uid_set */
1368 FALSE, /* gid_set */
1369 (uid_t)(-1), /* uid */
1370 (gid_t)(-1), /* gid */
1371 NULL, /* expand_uid */
1372 NULL, /* expand_gid */
1373 NULL, /* warn_message */
1374 NULL, /* shadow */
1375 NULL, /* shadow_condition */
1376 NULL, /* filter_command */
1377 NULL, /* add_headers */
1378 NULL, /* remove_headers */
1379 NULL, /* return_path */
1380 NULL, /* debug_string */
1381 NULL, /* message_size_limit */
1382 NULL, /* headers_rewrite */
1383 NULL, /* rewrite_rules */
1384 0, /* rewrite_existflags */
1385 300, /* filter_timeout */
1386 FALSE, /* body_only */
1387 FALSE, /* delivery_date_add */
1388 FALSE, /* envelope_to_add */
1389 FALSE, /* headers_only */
1390 FALSE, /* rcpt_include_affixes */
1391 FALSE, /* return_path_add */
1392 FALSE, /* return_output */
1393 FALSE, /* return_fail_output */
1394 FALSE, /* log_output */
1395 FALSE, /* log_fail_output */
1396 FALSE, /* log_defer_output */
1397 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1398 1 nor 0 so can detect unset */
1399 #ifdef EXPERIMENTAL_TPDA
1400 ,NULL /* tpda_delivery_action */
1401 #endif
1402 };
1403
1404 int transport_count;
1405 uschar *transport_name = NULL;
1406 int transport_newlines;
1407 uschar **transport_filter_argv = NULL;
1408 int transport_filter_timeout;
1409 BOOL transport_filter_timed_out = FALSE;
1410 int transport_write_timeout= 0;
1411
1412 tree_node *tree_dns_fails = NULL;
1413 tree_node *tree_duplicates = NULL;
1414 tree_node *tree_nonrecipients = NULL;
1415 tree_node *tree_unusable = NULL;
1416
1417 BOOL trusted_caller = FALSE;
1418 BOOL trusted_config = TRUE;
1419 gid_t *trusted_groups = NULL;
1420 uid_t *trusted_users = NULL;
1421 uschar *timezone_string = US TIMEZONE_DEFAULT;
1422
1423 uschar *unknown_login = NULL;
1424 uschar *unknown_username = NULL;
1425 uschar *untrusted_set_sender = NULL;
1426
1427 /* A regex for matching a "From_" line in an incoming message, in the form
1428
1429 From ph10 Fri Jan 5 12:35 GMT 1996
1430
1431 which the "mail" commands send to the MTA (undocumented, of course), or in
1432 the form
1433
1434 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1435
1436 which is apparently used by some UUCPs, despite it not being in RFC 976.
1437 Because of variations in time formats, just match up to the minutes. That
1438 should be sufficient. Examples have been seen of time fields like 12:1:03,
1439 so just require one digit for hours and minutes. The weekday is also absent
1440 in some forms. */
1441
1442 uschar *uucp_from_pattern = US
1443 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1444 "(?:" /* Non-extracting bracket */
1445 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1446 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1447 ")" /* End alternation */
1448 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1449
1450 uschar *uucp_from_sender = US"$1";
1451
1452 uschar *warn_message_file = NULL;
1453 uschar *warnmsg_delay = NULL;
1454 uschar *warnmsg_recipients = NULL;
1455 BOOL write_rejectlog = TRUE;
1456
1457 uschar *version_copyright =
1458 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1459 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1460 uschar *version_date = US"?";
1461 uschar *version_cnumber = US"????";
1462 uschar *version_string = US"?";
1463
1464 int warning_count = 0;
1465
1466 /* End of globals.c */
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