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Make $tls_out_ocsp visible to TPDA (mostly testsuite)
[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 NULL, /* tls_cipher */
107 FALSE,/* tls_on_connect */
108 NULL, /* tls_on_connect_ports */
109 NULL, /* tls_ourcert */
110 NULL, /* tls_peercert */
111 NULL, /* tls_peerdn */
112 NULL, /* tls_sni */
113 0 /* tls_ocsp */
114 };
115 tls_support tls_out = {
116 -1, /* tls_active */
117 0, /* tls_bits */
118 FALSE,/* tls_certificate_verified */
119 NULL, /* tls_cipher */
120 FALSE,/* tls_on_connect */
121 NULL, /* tls_on_connect_ports */
122 NULL, /* tls_ourcert */
123 NULL, /* tls_peercert */
124 NULL, /* tls_peerdn */
125 NULL, /* tls_sni */
126 0 /* tls_ocsp */
127 };
128
129
130 #ifdef SUPPORT_TLS
131 BOOL gnutls_compat_mode = FALSE;
132 BOOL gnutls_allow_auto_pkcs11 = FALSE;
133 uschar *gnutls_require_mac = NULL;
134 uschar *gnutls_require_kx = NULL;
135 uschar *gnutls_require_proto = NULL;
136 uschar *openssl_options = NULL;
137 const pcre *regex_STARTTLS = NULL;
138 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
139 uschar *tls_certificate = NULL;
140 uschar *tls_crl = NULL;
141 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
142 that's the interop problem which has been observed: GnuTLS suggesting a higher
143 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
144 int tls_dh_max_bits = 2236;
145 uschar *tls_dhparam = NULL;
146 #if defined(EXPERIMENTAL_OCSP)
147 uschar *tls_ocsp_file = NULL;
148 #endif
149 BOOL tls_offered = FALSE;
150 uschar *tls_privatekey = NULL;
151 BOOL tls_remember_esmtp = FALSE;
152 uschar *tls_require_ciphers = NULL;
153 uschar *tls_try_verify_hosts = NULL;
154 uschar *tls_verify_certificates= NULL;
155 uschar *tls_verify_hosts = NULL;
156 #endif
157
158 #ifdef EXPERIMENTAL_PRDR
159 /* Per Recipient Data Response variables */
160 BOOL prdr_enable = FALSE;
161 BOOL prdr_requested = FALSE;
162 const pcre *regex_PRDR = NULL;
163 #endif
164
165 /* Input-reading functions for messages, so we can use special ones for
166 incoming TCP/IP. The defaults use stdin. We never need these for any
167 stand-alone tests. */
168
169 #ifndef STAND_ALONE
170 int (*receive_getc)(void) = stdin_getc;
171 int (*receive_ungetc)(int) = stdin_ungetc;
172 int (*receive_feof)(void) = stdin_feof;
173 int (*receive_ferror)(void) = stdin_ferror;
174 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
175 #endif
176
177
178 /* List of per-address expansion variables for clearing and saving/restoring
179 when verifying one address while routing/verifying another. We have to have
180 the size explicit, because it is referenced from more than one module. */
181
182 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
183 &deliver_address_data,
184 &deliver_domain,
185 &deliver_domain_data,
186 &deliver_domain_orig,
187 &deliver_domain_parent,
188 &deliver_localpart,
189 &deliver_localpart_data,
190 &deliver_localpart_orig,
191 &deliver_localpart_parent,
192 &deliver_localpart_prefix,
193 &deliver_localpart_suffix,
194 (uschar **)(&deliver_recipients),
195 &deliver_host,
196 &deliver_home,
197 &address_file,
198 &address_pipe,
199 &self_hostname,
200 NULL };
201
202 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
203
204 /* General global variables */
205
206 header_line *acl_added_headers = NULL;
207 tree_node *acl_anchor = NULL;
208 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
209 NULL, NULL, NULL, NULL};
210 int acl_narg = 0;
211
212 uschar *acl_not_smtp = NULL;
213 #ifdef WITH_CONTENT_SCAN
214 uschar *acl_not_smtp_mime = NULL;
215 #endif
216 uschar *acl_not_smtp_start = NULL;
217 uschar *acl_removed_headers = NULL;
218 uschar *acl_smtp_auth = NULL;
219 uschar *acl_smtp_connect = NULL;
220 uschar *acl_smtp_data = NULL;
221 #ifdef EXPERIMENTAL_PRDR
222 uschar *acl_smtp_data_prdr = NULL;
223 #endif
224 #ifndef DISABLE_DKIM
225 uschar *acl_smtp_dkim = NULL;
226 #endif
227 uschar *acl_smtp_etrn = NULL;
228 uschar *acl_smtp_expn = NULL;
229 uschar *acl_smtp_helo = NULL;
230 uschar *acl_smtp_mail = NULL;
231 uschar *acl_smtp_mailauth = NULL;
232 #ifdef WITH_CONTENT_SCAN
233 uschar *acl_smtp_mime = NULL;
234 #endif
235 uschar *acl_smtp_notquit = NULL;
236 uschar *acl_smtp_predata = NULL;
237 uschar *acl_smtp_quit = NULL;
238 uschar *acl_smtp_rcpt = NULL;
239 uschar *acl_smtp_starttls = NULL;
240 uschar *acl_smtp_vrfy = NULL;
241
242 BOOL acl_temp_details = FALSE;
243 tree_node *acl_var_c = NULL;
244 tree_node *acl_var_m = NULL;
245 uschar *acl_verify_message = NULL;
246 string_item *acl_warn_logged = NULL;
247
248 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
249 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
250
251 uschar *acl_wherenames[] = { US"RCPT",
252 US"MAIL",
253 US"PREDATA",
254 US"MIME",
255 US"DKIM",
256 US"DATA",
257 #ifdef EXPERIMENTAL_PRDR
258 US"PRDR",
259 #endif
260 US"non-SMTP",
261 US"AUTH",
262 US"connection",
263 US"ETRN",
264 US"EXPN",
265 US"EHLO or HELO",
266 US"MAILAUTH",
267 US"non-SMTP-start",
268 US"NOTQUIT",
269 US"QUIT",
270 US"STARTTLS",
271 US"VRFY",
272 US"delivery",
273 US"unknown"
274 };
275
276 uschar *acl_wherecodes[] = { US"550", /* RCPT */
277 US"550", /* MAIL */
278 US"550", /* PREDATA */
279 US"550", /* MIME */
280 US"550", /* DKIM */
281 US"550", /* DATA */
282 #ifdef EXPERIMENTAL_PRDR
283 US"550", /* RCPT PRDR */
284 #endif
285 US"0", /* not SMTP; not relevant */
286 US"503", /* AUTH */
287 US"550", /* connect */
288 US"458", /* ETRN */
289 US"550", /* EXPN */
290 US"550", /* HELO/EHLO */
291 US"0", /* MAILAUTH; not relevant */
292 US"0", /* not SMTP; not relevant */
293 US"0", /* NOTQUIT; not relevant */
294 US"0", /* QUIT; not relevant */
295 US"550", /* STARTTLS */
296 US"252", /* VRFY */
297 US"0", /* delivery; not relevant */
298 US"0" /* unknown; not relevant */
299 };
300
301 BOOL active_local_from_check = FALSE;
302 BOOL active_local_sender_retain = FALSE;
303 int body_8bitmime = 0;
304 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
305 address_item *addr_duplicate = NULL;
306
307 address_item address_defaults = {
308 NULL, /* next */
309 NULL, /* parent */
310 NULL, /* first */
311 NULL, /* dupof */
312 NULL, /* start_router */
313 NULL, /* router */
314 NULL, /* transport */
315 NULL, /* host_list */
316 NULL, /* host_used */
317 NULL, /* fallback_hosts */
318 NULL, /* reply */
319 NULL, /* retries */
320 NULL, /* address */
321 NULL, /* unique */
322 NULL, /* cc_local_part */
323 NULL, /* lc_local_part */
324 NULL, /* local_part */
325 NULL, /* prefix */
326 NULL, /* suffix */
327 NULL, /* domain */
328 NULL, /* address_retry_key */
329 NULL, /* domain_retry_key */
330 NULL, /* current_dir */
331 NULL, /* home_dir */
332 NULL, /* message */
333 NULL, /* user_message */
334 NULL, /* onetime_parent */
335 NULL, /* pipe_expandn */
336 NULL, /* return_filename */
337 NULL, /* self_hostname */
338 NULL, /* shadow_message */
339 #ifdef SUPPORT_TLS
340 NULL, /* cipher */
341 NULL, /* ourcert */
342 NULL, /* peercert */
343 NULL, /* peerdn */
344 OCSP_NOT_REQ, /* ocsp */
345 #endif
346 NULL, /* authenticator */
347 NULL, /* auth_id */
348 NULL, /* auth_sndr */
349 (uid_t)(-1), /* uid */
350 (gid_t)(-1), /* gid */
351 0, /* flags */
352 { 0 }, /* domain_cache - any larger array should be zeroed */
353 { 0 }, /* localpart_cache - ditto */
354 -1, /* mode */
355 0, /* more_errno */
356 ERRNO_UNKNOWNERROR, /* basic_errno */
357 0, /* child_count */
358 -1, /* return_file */
359 SPECIAL_NONE, /* special_action */
360 DEFER, /* transport_return */
361 { /* fields that are propagated to children */
362 NULL, /* address_data */
363 NULL, /* domain_data */
364 NULL, /* localpart_data */
365 NULL, /* errors_address */
366 NULL, /* extra_headers */
367 NULL, /* remove_headers */
368 #ifdef EXPERIMENTAL_SRS
369 NULL, /* srs_sender */
370 #endif
371 }
372 };
373
374 uschar *address_file = NULL;
375 uschar *address_pipe = NULL;
376 BOOL address_test_mode = FALSE;
377 tree_node *addresslist_anchor = NULL;
378 int addresslist_count = 0;
379 gid_t *admin_groups = NULL;
380 BOOL admin_user = FALSE;
381 BOOL allow_auth_unadvertised= FALSE;
382 BOOL allow_domain_literals = FALSE;
383 BOOL allow_mx_to_ip = FALSE;
384 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
385 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
386 BOOL allow_utf8_domains = FALSE;
387 uschar *authenticated_fail_id = NULL;
388 uschar *authenticated_id = NULL;
389 uschar *authenticated_sender = NULL;
390 BOOL authentication_failed = FALSE;
391 auth_instance *auths = NULL;
392 uschar *auth_advertise_hosts = US"*";
393 auth_instance auth_defaults = {
394 NULL, /* chain pointer */
395 NULL, /* name */
396 NULL, /* info */
397 NULL, /* private options block pointer */
398 NULL, /* driver_name */
399 NULL, /* advertise_condition */
400 NULL, /* client_condition */
401 NULL, /* public_name */
402 NULL, /* set_id */
403 NULL, /* set_client_id */
404 NULL, /* server_mail_auth_condition */
405 NULL, /* server_debug_string */
406 NULL, /* server_condition */
407 FALSE, /* client */
408 FALSE, /* server */
409 FALSE /* advertised */
410 };
411
412 uschar *auth_defer_msg = US"reason not recorded";
413 uschar *auth_defer_user_msg = US"";
414 uschar *auth_vars[AUTH_VARS];
415 int auto_thaw = 0;
416 #ifdef WITH_CONTENT_SCAN
417 BOOL av_failed = FALSE;
418 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
419 #endif
420
421 BOOL background_daemon = TRUE;
422
423 #if BASE_62 == 62
424 uschar *base62_chars=
425 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
426 #else
427 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
428 #endif
429
430 uschar *bi_command = NULL;
431 uschar *big_buffer = NULL;
432 int big_buffer_size = BIG_BUFFER_SIZE;
433 #ifdef EXPERIMENTAL_BRIGHTMAIL
434 uschar *bmi_alt_location = NULL;
435 uschar *bmi_base64_tracker_verdict = NULL;
436 uschar *bmi_base64_verdict = NULL;
437 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
438 int bmi_deliver = 1;
439 int bmi_run = 0;
440 uschar *bmi_verdicts = NULL;
441 #endif
442 int body_linecount = 0;
443 int body_zerocount = 0;
444 uschar *bounce_message_file = NULL;
445 uschar *bounce_message_text = NULL;
446 uschar *bounce_recipient = NULL;
447 BOOL bounce_return_body = TRUE;
448 BOOL bounce_return_message = TRUE;
449 int bounce_return_size_limit = 100*1024;
450 uschar *bounce_sender_authentication = NULL;
451 int bsmtp_transaction_linecount = 0;
452
453 int callout_cache_domain_positive_expire = 7*24*60*60;
454 int callout_cache_domain_negative_expire = 3*60*60;
455 int callout_cache_positive_expire = 24*60*60;
456 int callout_cache_negative_expire = 2*60*60;
457 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
458 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
459 int check_log_inodes = 0;
460 int check_log_space = 0;
461 BOOL check_rfc2047_length = TRUE;
462 int check_spool_inodes = 0;
463 int check_spool_space = 0;
464 uschar *client_authenticator = NULL;
465 uschar *client_authenticated_id = NULL;
466 uschar *client_authenticated_sender = NULL;
467 int clmacro_count = 0;
468 uschar *clmacros[MAX_CLMACROS];
469 BOOL config_changed = FALSE;
470 FILE *config_file = NULL;
471 uschar *config_filename = NULL;
472 int config_lineno = 0;
473 #ifdef CONFIGURE_GROUP
474 gid_t config_gid = CONFIGURE_GROUP;
475 #endif
476 uschar *config_main_filelist = US CONFIGURE_FILE
477 "\0<-----------Space to patch configure_filename->";
478 uschar *config_main_filename = NULL;
479
480 #ifdef CONFIGURE_OWNER
481 uid_t config_uid = CONFIGURE_OWNER;
482 #endif
483
484 int connection_max_messages= -1;
485 uschar *continue_hostname = NULL;
486 uschar *continue_host_address = NULL;
487 BOOL continue_more = FALSE;
488 int continue_sequence = 1;
489 uschar *continue_transport = NULL;
490
491 uschar *csa_status = NULL;
492 BOOL cutthrough_delivery = FALSE;
493 int cutthrough_fd = -1;
494
495 BOOL daemon_listen = FALSE;
496 uschar *daemon_smtp_port = US"smtp";
497 int daemon_startup_retries = 9;
498 int daemon_startup_sleep = 30;
499
500 #ifdef EXPERIMENTAL_DCC
501 BOOL dcc_direct_add_header = FALSE;
502 uschar *dcc_header = NULL;
503 uschar *dcc_result = NULL;
504 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
505 uschar *dccifd_options = US"header";
506 #endif
507
508 BOOL debug_daemon = FALSE;
509 int debug_fd = -1;
510 FILE *debug_file = NULL;
511 bit_table debug_options[] = {
512 { US"acl", D_acl },
513 { US"all", D_all },
514 { US"auth", D_auth },
515 { US"deliver", D_deliver },
516 { US"dns", D_dns },
517 { US"dnsbl", D_dnsbl },
518 { US"exec", D_exec },
519 { US"expand", D_expand },
520 { US"filter", D_filter },
521 { US"hints_lookup", D_hints_lookup },
522 { US"host_lookup", D_host_lookup },
523 { US"ident", D_ident },
524 { US"interface", D_interface },
525 { US"lists", D_lists },
526 { US"load", D_load },
527 { US"local_scan", D_local_scan },
528 { US"lookup", D_lookup },
529 { US"memory", D_memory },
530 { US"pid", D_pid },
531 { US"process_info", D_process_info },
532 { US"queue_run", D_queue_run },
533 { US"receive", D_receive },
534 { US"resolver", D_resolver },
535 { US"retry", D_retry },
536 { US"rewrite", D_rewrite },
537 { US"route", D_route },
538 { US"timestamp", D_timestamp },
539 { US"tls", D_tls },
540 { US"transport", D_transport },
541 { US"uid", D_uid },
542 { US"verify", D_verify }
543 };
544 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
545 unsigned int debug_selector = 0;
546 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
547 uschar *delay_warning_condition=
548 US"${if or {"
549 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
550 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
551 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
552 "} {no}{yes}}";
553 BOOL delivery_date_remove = TRUE;
554 uschar *deliver_address_data = NULL;
555 int deliver_datafile = -1;
556 uschar *deliver_domain = NULL;
557 uschar *deliver_domain_data = NULL;
558 uschar *deliver_domain_orig = NULL;
559 uschar *deliver_domain_parent = NULL;
560 BOOL deliver_drop_privilege = FALSE;
561 BOOL deliver_firsttime = FALSE;
562 BOOL deliver_force = FALSE;
563 BOOL deliver_freeze = FALSE;
564 int deliver_frozen_at = 0;
565 uschar *deliver_home = NULL;
566 uschar *deliver_host = NULL;
567 uschar *deliver_host_address = NULL;
568 uschar *deliver_in_buffer = NULL;
569 ino_t deliver_inode = 0;
570 uschar *deliver_localpart = NULL;
571 uschar *deliver_localpart_data = NULL;
572 uschar *deliver_localpart_orig = NULL;
573 uschar *deliver_localpart_parent = NULL;
574 uschar *deliver_localpart_prefix = NULL;
575 uschar *deliver_localpart_suffix = NULL;
576 BOOL deliver_force_thaw = FALSE;
577 BOOL deliver_manual_thaw = FALSE;
578 uschar *deliver_out_buffer = NULL;
579 int deliver_queue_load_max = -1;
580 address_item *deliver_recipients = NULL;
581 uschar *deliver_selectstring = NULL;
582 BOOL deliver_selectstring_regex = FALSE;
583 uschar *deliver_selectstring_sender = NULL;
584 BOOL deliver_selectstring_sender_regex = FALSE;
585 #ifdef WITH_OLD_DEMIME
586 int demime_errorlevel = 0;
587 int demime_ok = 0;
588 uschar *demime_reason = NULL;
589 #endif
590 BOOL disable_callout_flush = FALSE;
591 BOOL disable_delay_flush = FALSE;
592 #ifdef ENABLE_DISABLE_FSYNC
593 BOOL disable_fsync = FALSE;
594 #endif
595 BOOL disable_ipv6 = FALSE;
596 BOOL disable_logging = FALSE;
597
598 #ifndef DISABLE_DKIM
599 uschar *dkim_cur_signer = NULL;
600 uschar *dkim_signers = NULL;
601 uschar *dkim_signing_domain = NULL;
602 uschar *dkim_signing_selector = NULL;
603 uschar *dkim_verify_signers = US"$dkim_signers";
604 BOOL dkim_collect_input = FALSE;
605 BOOL dkim_disable_verify = FALSE;
606 #endif
607 #ifdef EXPERIMENTAL_DMARC
608 BOOL dmarc_has_been_checked = FALSE;
609 uschar *dmarc_ar_header = NULL;
610 uschar *dmarc_domain_policy = NULL;
611 uschar *dmarc_forensic_sender = NULL;
612 uschar *dmarc_history_file = NULL;
613 uschar *dmarc_status = NULL;
614 uschar *dmarc_status_text = NULL;
615 uschar *dmarc_tld_file = NULL;
616 uschar *dmarc_used_domain = NULL;
617 BOOL dmarc_disable_verify = FALSE;
618 BOOL dmarc_enable_forensic = FALSE;
619 #endif
620
621 uschar *dns_again_means_nonexist = NULL;
622 int dns_csa_search_limit = 5;
623 BOOL dns_csa_use_reverse = TRUE;
624 uschar *dns_ipv4_lookup = NULL;
625 int dns_retrans = 0;
626 int dns_retry = 0;
627 int dns_dnssec_ok = -1; /* <0 = not coerced */
628 int dns_use_edns0 = -1; /* <0 = not coerced */
629 uschar *dnslist_domain = NULL;
630 uschar *dnslist_matched = NULL;
631 uschar *dnslist_text = NULL;
632 uschar *dnslist_value = NULL;
633 tree_node *domainlist_anchor = NULL;
634 int domainlist_count = 0;
635 BOOL dont_deliver = FALSE;
636 BOOL dot_ends = TRUE;
637 BOOL drop_cr = FALSE; /* No longer used */
638 uschar *dsn_from = US DEFAULT_DSN_FROM;
639
640 BOOL enable_dollar_recipients = FALSE;
641 BOOL envelope_to_remove = TRUE;
642 int errno_quota = ERRNO_QUOTA;
643 uschar *errors_copy = NULL;
644 int error_handling = ERRORS_SENDER;
645 uschar *errors_reply_to = NULL;
646 int errors_sender_rc = EXIT_FAILURE;
647
648 gid_t exim_gid = EXIM_GID;
649 BOOL exim_gid_set = TRUE; /* This gid is always set */
650 uschar *exim_path = US BIN_DIRECTORY "/exim"
651 "\0<---------------Space to patch exim_path->";
652 uid_t exim_uid = EXIM_UID;
653 BOOL exim_uid_set = TRUE; /* This uid is always set */
654 int expand_forbid = 0;
655 int expand_nlength[EXPAND_MAXN+1];
656 int expand_nmax = -1;
657 uschar *expand_nstring[EXPAND_MAXN+1];
658 BOOL expand_string_forcedfail = FALSE;
659 uschar *expand_string_message;
660 BOOL extract_addresses_remove_arguments = TRUE;
661 uschar *extra_local_interfaces = NULL;
662
663 int fake_response = OK;
664 uschar *fake_response_text = US"Your message has been rejected but is "
665 "being kept for evaluation.\nIf it was a "
666 "legitimate message, it may still be "
667 "delivered to the target recipient(s).";
668 int filter_n[FILTER_VARIABLE_COUNT];
669 BOOL filter_running = FALSE;
670 int filter_sn[FILTER_VARIABLE_COUNT];
671 int filter_test = FTEST_NONE;
672 uschar *filter_test_sfile = NULL;
673 uschar *filter_test_ufile = NULL;
674 uschar *filter_thisaddress = NULL;
675 int finduser_retries = 0;
676 #ifdef WITH_OLD_DEMIME
677 uschar *found_extension = NULL;
678 #endif
679 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
680 uschar *freeze_tell = NULL;
681 uschar *freeze_tell_config = NULL;
682 uschar *fudged_queue_times = US"";
683
684 uschar *gecos_name = NULL;
685 uschar *gecos_pattern = NULL;
686 rewrite_rule *global_rewrite_rules = NULL;
687
688 uschar *headers_charset = US HEADERS_CHARSET;
689 int header_insert_maxlen = 64 * 1024;
690 header_line *header_last = NULL;
691 header_line *header_list = NULL;
692 int header_maxsize = HEADER_MAXSIZE;
693 int header_line_maxsize = 0;
694
695 header_name header_names[] = {
696 { US"bcc", 3, TRUE, htype_bcc },
697 { US"cc", 2, TRUE, htype_cc },
698 { US"date", 4, TRUE, htype_date },
699 { US"delivery-date", 13, FALSE, htype_delivery_date },
700 { US"envelope-to", 11, FALSE, htype_envelope_to },
701 { US"from", 4, TRUE, htype_from },
702 { US"message-id", 10, TRUE, htype_id },
703 { US"received", 8, FALSE, htype_received },
704 { US"reply-to", 8, FALSE, htype_reply_to },
705 { US"return-path", 11, FALSE, htype_return_path },
706 { US"sender", 6, TRUE, htype_sender },
707 { US"subject", 7, FALSE, htype_subject },
708 { US"to", 2, TRUE, htype_to }
709 };
710
711 int header_names_size = sizeof(header_names)/sizeof(header_name);
712
713 BOOL header_rewritten = FALSE;
714 uschar *helo_accept_junk_hosts = NULL;
715 uschar *helo_allow_chars = US"";
716 uschar *helo_lookup_domains = US"@ : @[]";
717 uschar *helo_try_verify_hosts = NULL;
718 BOOL helo_verified = FALSE;
719 BOOL helo_verify_failed = FALSE;
720 uschar *helo_verify_hosts = NULL;
721 const uschar *hex_digits = CUS"0123456789abcdef";
722 uschar *hold_domains = NULL;
723 BOOL host_checking = FALSE;
724 BOOL host_checking_callout = FALSE;
725 uschar *host_data = NULL;
726 BOOL host_find_failed_syntax= FALSE;
727 uschar *host_lookup = NULL;
728 BOOL host_lookup_deferred = FALSE;
729 BOOL host_lookup_failed = FALSE;
730 uschar *host_lookup_order = US"bydns:byaddr";
731 uschar *host_lookup_msg = US"";
732 int host_number = 0;
733 uschar *host_number_string = NULL;
734 uschar *host_reject_connection = NULL;
735 tree_node *hostlist_anchor = NULL;
736 int hostlist_count = 0;
737 uschar *hosts_treat_as_local = NULL;
738 uschar *hosts_connection_nolog = NULL;
739
740 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
741 BOOL ignore_fromline_local = FALSE;
742 uschar *ignore_fromline_hosts = NULL;
743 BOOL inetd_wait_mode = FALSE;
744 int inetd_wait_timeout = -1;
745 uschar *interface_address = NULL;
746 int interface_port = -1;
747 BOOL is_inetd = FALSE;
748 uschar *iterate_item = NULL;
749
750 int journal_fd = -1;
751
752 int keep_malformed = 4*24*60*60; /* 4 days */
753
754 uschar *eldap_dn = NULL;
755 int load_average = -2;
756 BOOL local_error_message = FALSE;
757 BOOL local_from_check = TRUE;
758 uschar *local_from_prefix = NULL;
759 uschar *local_from_suffix = NULL;
760
761 #if HAVE_IPV6
762 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
763 #else
764 uschar *local_interfaces = US"0.0.0.0";
765 #endif
766
767 uschar *local_scan_data = NULL;
768 int local_scan_timeout = 5*60;
769 BOOL local_sender_retain = FALSE;
770 gid_t local_user_gid = (gid_t)(-1);
771 uid_t local_user_uid = (uid_t)(-1);
772
773 tree_node *localpartlist_anchor= NULL;
774 int localpartlist_count = 0;
775 uschar *log_buffer = NULL;
776 unsigned int log_extra_selector = LX_default;
777 uschar *log_file_path = US LOG_FILE_PATH
778 "\0<--------------Space to patch log_file_path->";
779
780 /* Those log options with L_xxx identifiers have values less than 0x800000 and
781 are the ones that get put into log_write_selector. They can be used in calls to
782 log_write() to test for the bit. The options with LX_xxx identifiers have
783 values greater than 0x80000000 and are put into log_extra_selector (without the
784 top bit). They are never used in calls to log_write(), but are tested
785 independently. This separation became necessary when the number of log
786 selectors was getting close to filling a 32-bit word. */
787
788 /* Note that this list must be in alphabetical order. */
789
790 bit_table log_options[] = {
791 { US"8bitmime", LX_8bitmime },
792 { US"acl_warn_skipped", LX_acl_warn_skipped },
793 { US"address_rewrite", L_address_rewrite },
794 { US"all", L_all },
795 { US"all_parents", L_all_parents },
796 { US"arguments", LX_arguments },
797 { US"connection_reject", L_connection_reject },
798 { US"delay_delivery", L_delay_delivery },
799 { US"deliver_time", LX_deliver_time },
800 { US"delivery_size", LX_delivery_size },
801 { US"dnslist_defer", L_dnslist_defer },
802 { US"etrn", L_etrn },
803 { US"host_lookup_failed", L_host_lookup_failed },
804 { US"ident_timeout", LX_ident_timeout },
805 { US"incoming_interface", LX_incoming_interface },
806 { US"incoming_port", LX_incoming_port },
807 { US"lost_incoming_connection", L_lost_incoming_connection },
808 { US"outgoing_port", LX_outgoing_port },
809 { US"pid", LX_pid },
810 #ifdef EXPERIMENTAL_PROXY
811 { US"proxy", LX_proxy },
812 #endif
813 { US"queue_run", L_queue_run },
814 { US"queue_time", LX_queue_time },
815 { US"queue_time_overall", LX_queue_time_overall },
816 { US"received_recipients", LX_received_recipients },
817 { US"received_sender", LX_received_sender },
818 { US"rejected_header", LX_rejected_header },
819 { US"rejected_headers", LX_rejected_header },
820 { US"retry_defer", L_retry_defer },
821 { US"return_path_on_delivery", LX_return_path_on_delivery },
822 { US"sender_on_delivery", LX_sender_on_delivery },
823 { US"sender_verify_fail", LX_sender_verify_fail },
824 { US"size_reject", L_size_reject },
825 { US"skip_delivery", L_skip_delivery },
826 { US"smtp_confirmation", LX_smtp_confirmation },
827 { US"smtp_connection", L_smtp_connection },
828 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
829 { US"smtp_mailauth", LX_smtp_mailauth },
830 { US"smtp_no_mail", LX_smtp_no_mail },
831 { US"smtp_protocol_error", L_smtp_protocol_error },
832 { US"smtp_syntax_error", L_smtp_syntax_error },
833 { US"subject", LX_subject },
834 { US"tls_certificate_verified", LX_tls_certificate_verified },
835 { US"tls_cipher", LX_tls_cipher },
836 { US"tls_peerdn", LX_tls_peerdn },
837 { US"tls_sni", LX_tls_sni },
838 { US"unknown_in_list", LX_unknown_in_list }
839 };
840
841 int log_options_count = sizeof(log_options)/sizeof(bit_table);
842 int log_reject_target = 0;
843 uschar *log_selector_string = NULL;
844 FILE *log_stderr = NULL;
845 BOOL log_testing_mode = FALSE;
846 BOOL log_timezone = FALSE;
847 unsigned int log_write_selector= L_default;
848 uschar *login_sender_address = NULL;
849 uschar *lookup_dnssec_authenticated = NULL;
850 int lookup_open_max = 25;
851 uschar *lookup_value = NULL;
852
853 macro_item *macros = NULL;
854 uschar *mailstore_basename = NULL;
855 #ifdef WITH_CONTENT_SCAN
856 uschar *malware_name = NULL; /* Virus Name */
857 #endif
858 int max_received_linelength= 0;
859 int max_username_length = 0;
860 int message_age = 0;
861 uschar *message_body = NULL;
862 uschar *message_body_end = NULL;
863 BOOL message_body_newlines = FALSE;
864 int message_body_size = 0;
865 int message_body_visible = 500;
866 int message_ended = END_NOTSTARTED;
867 uschar *message_headers = NULL;
868 uschar *message_id;
869 uschar *message_id_domain = NULL;
870 uschar *message_id_text = NULL;
871 struct timeval message_id_tv = { 0, 0 };
872 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
873 uschar *message_id_external;
874 int message_linecount = 0;
875 BOOL message_logs = TRUE;
876 int message_size = 0;
877 uschar *message_size_limit = US"50M";
878 uschar message_subdir[2] = { 0, 0 };
879 uschar *message_reference = NULL;
880
881 /* MIME ACL expandables */
882 #ifdef WITH_CONTENT_SCAN
883 int mime_anomaly_level = 0;
884 const uschar *mime_anomaly_text = NULL;
885 uschar *mime_boundary = NULL;
886 uschar *mime_charset = NULL;
887 uschar *mime_content_description = NULL;
888 uschar *mime_content_disposition = NULL;
889 uschar *mime_content_id = NULL;
890 unsigned int mime_content_size = 0;
891 uschar *mime_content_transfer_encoding = NULL;
892 uschar *mime_content_type = NULL;
893 uschar *mime_decoded_filename = NULL;
894 uschar *mime_filename = NULL;
895 int mime_is_multipart = 0;
896 int mime_is_coverletter = 0;
897 int mime_is_rfc822 = 0;
898 int mime_part_count = -1;
899 #endif
900
901 BOOL mua_wrapper = FALSE;
902
903 uid_t *never_users = NULL;
904 #ifdef WITH_CONTENT_SCAN
905 BOOL no_mbox_unspool = FALSE;
906 #endif
907 BOOL no_multiline_responses = FALSE;
908
909 uid_t original_euid;
910 gid_t originator_gid;
911 uschar *originator_login = NULL;
912 uschar *originator_name = NULL;
913 uid_t originator_uid;
914 uschar *override_local_interfaces = NULL;
915 uschar *override_pid_file_path = NULL;
916
917 BOOL parse_allow_group = FALSE;
918 BOOL parse_found_group = FALSE;
919 uschar *percent_hack_domains = NULL;
920 uschar *pid_file_path = US PID_FILE_PATH
921 "\0<--------------Space to patch pid_file_path->";
922 BOOL pipelining_enable = TRUE;
923 uschar *pipelining_advertise_hosts = US"*";
924 BOOL preserve_message_logs = FALSE;
925 uschar *primary_hostname = NULL;
926 BOOL print_topbitchars = FALSE;
927 uschar process_info[PROCESS_INFO_SIZE];
928 int process_info_len = 0;
929 uschar *process_log_path = NULL;
930 BOOL prod_requires_admin = TRUE;
931
932 #ifdef EXPERIMENTAL_PROXY
933 uschar *proxy_host_address = US"";
934 int proxy_host_port = 0;
935 uschar *proxy_required_hosts = US"";
936 BOOL proxy_session = FALSE;
937 BOOL proxy_session_failed = FALSE;
938 uschar *proxy_target_address = US"";
939 int proxy_target_port = 0;
940 #endif
941
942 uschar *prvscheck_address = NULL;
943 uschar *prvscheck_keynum = NULL;
944 uschar *prvscheck_result = NULL;
945
946
947 uschar *qualify_domain_recipient = NULL;
948 uschar *qualify_domain_sender = NULL;
949 BOOL queue_2stage = FALSE;
950 uschar *queue_domains = NULL;
951 int queue_interval = -1;
952 BOOL queue_list_requires_admin = TRUE;
953 BOOL queue_only = FALSE;
954 uschar *queue_only_file = NULL;
955 int queue_only_load = -1;
956 BOOL queue_only_load_latch = TRUE;
957 BOOL queue_only_override = TRUE;
958 BOOL queue_only_policy = FALSE;
959 BOOL queue_run_first_delivery = FALSE;
960 BOOL queue_run_force = FALSE;
961 BOOL queue_run_in_order = FALSE;
962 BOOL queue_run_local = FALSE;
963 int queue_run_max = 5;
964 pid_t queue_run_pid = (pid_t)0;
965 int queue_run_pipe = -1;
966 BOOL queue_running = FALSE;
967 BOOL queue_smtp = FALSE;
968 uschar *queue_smtp_domains = NULL;
969
970 unsigned int random_seed = 0;
971 tree_node *ratelimiters_cmd = NULL;
972 tree_node *ratelimiters_conn = NULL;
973 tree_node *ratelimiters_mail = NULL;
974 uschar *raw_active_hostname = NULL;
975 uschar *raw_sender = NULL;
976 uschar **raw_recipients = NULL;
977 int raw_recipients_count = 0;
978
979 int rcpt_count = 0;
980 int rcpt_fail_count = 0;
981 int rcpt_defer_count = 0;
982 gid_t real_gid;
983 uid_t real_uid;
984 BOOL really_exim = TRUE;
985 BOOL receive_call_bombout = FALSE;
986 int receive_linecount = 0;
987 int receive_messagecount = 0;
988 int receive_timeout = 0;
989 int received_count = 0;
990 uschar *received_for = NULL;
991
992 /* This is the default text for Received headers generated by Exim. The
993 date will be automatically added on the end. */
994
995 uschar *received_header_text = US
996 "Received: "
997 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
998 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
999 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1000 "by $primary_hostname "
1001 "${if def:received_protocol {with $received_protocol}} "
1002 #ifdef SUPPORT_TLS
1003 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1004 #endif
1005 "(Exim $version_number)\n\t"
1006 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1007 "id $message_exim_id"
1008 "${if def:received_for {\n\tfor $received_for}}"
1009 "\0<---------------Space to patch received_header_text->";
1010
1011 int received_headers_max = 30;
1012 uschar *received_protocol = NULL;
1013 int received_time = 0;
1014 uschar *recipient_data = NULL;
1015 uschar *recipient_unqualified_hosts = NULL;
1016 uschar *recipient_verify_failure = NULL;
1017 int recipients_count = 0;
1018 BOOL recipients_discarded = FALSE;
1019 recipient_item *recipients_list = NULL;
1020 int recipients_list_max = 0;
1021 int recipients_max = 0;
1022 BOOL recipients_max_reject = FALSE;
1023 const pcre *regex_AUTH = NULL;
1024 const pcre *regex_check_dns_names = NULL;
1025 const pcre *regex_From = NULL;
1026 const pcre *regex_IGNOREQUOTA = NULL;
1027 const pcre *regex_PIPELINING = NULL;
1028 const pcre *regex_SIZE = NULL;
1029 const pcre *regex_smtp_code = NULL;
1030 const pcre *regex_ismsgid = NULL;
1031 #ifdef WHITELIST_D_MACROS
1032 const pcre *regex_whitelisted_macro = NULL;
1033 #endif
1034 #ifdef WITH_CONTENT_SCAN
1035 uschar *regex_match_string = NULL;
1036 #endif
1037 int remote_delivery_count = 0;
1038 int remote_max_parallel = 2;
1039 uschar *remote_sort_domains = NULL;
1040 int retry_data_expire = 7*24*60*60;
1041 int retry_interval_max = 24*60*60;
1042 int retry_maximum_timeout = 0; /* set from retry config */
1043 retry_config *retries = NULL;
1044 uschar *return_path = NULL;
1045 BOOL return_path_remove = TRUE;
1046 int rewrite_existflags = 0;
1047 uschar *rfc1413_hosts = US"*";
1048 int rfc1413_query_timeout = 5;
1049 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1050 uid_t root_gid = ROOT_GID;
1051 uid_t root_uid = ROOT_UID;
1052
1053 router_instance *routers = NULL;
1054 router_instance router_defaults = {
1055 NULL, /* chain pointer */
1056 NULL, /* name */
1057 NULL, /* info */
1058 NULL, /* private options block pointer */
1059 NULL, /* driver name */
1060
1061 NULL, /* address_data */
1062 #ifdef EXPERIMENTAL_BRIGHTMAIL
1063 NULL, /* bmi_rule */
1064 #endif
1065 NULL, /* cannot_route_message */
1066 NULL, /* condition */
1067 NULL, /* current_directory */
1068 NULL, /* debug_string */
1069 NULL, /* domains */
1070 NULL, /* errors_to */
1071 NULL, /* expand_gid */
1072 NULL, /* expand_uid */
1073 NULL, /* expand_more */
1074 NULL, /* expand_unseen */
1075 NULL, /* extra_headers */
1076 NULL, /* fallback_hosts */
1077 NULL, /* home_directory */
1078 NULL, /* ignore_target_hosts */
1079 NULL, /* local_parts */
1080 NULL, /* pass_router_name */
1081 NULL, /* prefix */
1082 NULL, /* redirect_router_name */
1083 NULL, /* remove_headers */
1084 NULL, /* require_files */
1085 NULL, /* router_home_directory */
1086 US"freeze", /* self */
1087 NULL, /* senders */
1088 NULL, /* suffix */
1089 NULL, /* translate_ip_address */
1090 NULL, /* transport_name */
1091
1092 TRUE, /* address_test */
1093 #ifdef EXPERIMENTAL_BRIGHTMAIL
1094 FALSE, /* bmi_deliver_alternate */
1095 FALSE, /* bmi_deliver_default */
1096 FALSE, /* bmi_dont_deliver */
1097 #endif
1098 TRUE, /* expn */
1099 FALSE, /* caseful_local_part */
1100 FALSE, /* check_local_user */
1101 FALSE, /* disable_logging */
1102 FALSE, /* fail_verify_recipient */
1103 FALSE, /* fail_verify_sender */
1104 FALSE, /* gid_set */
1105 FALSE, /* initgroups */
1106 TRUE_UNSET, /* log_as_local */
1107 TRUE, /* more */
1108 FALSE, /* pass_on_timeout */
1109 FALSE, /* prefix_optional */
1110 TRUE, /* repeat_use */
1111 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1112 FALSE, /* same_domain_copy_routing */
1113 FALSE, /* self_rewrite */
1114 FALSE, /* suffix_optional */
1115 FALSE, /* verify_only */
1116 TRUE, /* verify_recipient */
1117 TRUE, /* verify_sender */
1118 FALSE, /* uid_set */
1119 FALSE, /* unseen */
1120
1121 self_freeze, /* self_code */
1122 (uid_t)(-1), /* uid */
1123 (gid_t)(-1), /* gid */
1124
1125 NULL, /* fallback_hostlist */
1126 NULL, /* transport instance */
1127 NULL, /* pass_router */
1128 NULL /* redirect_router */
1129 };
1130
1131 uschar *router_name = NULL;
1132
1133 ip_address_item *running_interfaces = NULL;
1134 BOOL running_in_test_harness = FALSE;
1135
1136 /* This is a weird one. The following string gets patched in the binary by the
1137 script that sets up a copy of Exim for running in the test harness. It seems
1138 that compilers are now clever, and share constant strings if they can.
1139 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1140 make use of the end of this string in order to save space. So the patching then
1141 wrecks this. We defeat this optimization by adding some additional characters
1142 onto the end of the string. */
1143
1144 uschar *running_status = US">>>running<<<" "\0EXTRA";
1145
1146 int runrc = 0;
1147
1148 uschar *search_error_message = NULL;
1149 BOOL search_find_defer = FALSE;
1150 uschar *self_hostname = NULL;
1151 uschar *sender_address = NULL;
1152 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1153 uschar *sender_address_data = NULL;
1154 BOOL sender_address_forced = FALSE;
1155 uschar *sender_address_unrewritten = NULL;
1156 uschar *sender_data = NULL;
1157 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1158 uschar *sender_fullhost = NULL;
1159 uschar *sender_helo_name = NULL;
1160 uschar **sender_host_aliases = &no_aliases;
1161 uschar *sender_host_address = NULL;
1162 uschar *sender_host_authenticated = NULL;
1163 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1164 BOOL sender_host_dnssec = FALSE;
1165 uschar *sender_host_name = NULL;
1166 int sender_host_port = 0;
1167 BOOL sender_host_notsocket = FALSE;
1168 BOOL sender_host_unknown = FALSE;
1169 uschar *sender_ident = NULL;
1170 BOOL sender_local = FALSE;
1171 BOOL sender_name_forced = FALSE;
1172 uschar *sender_rate = NULL;
1173 uschar *sender_rate_limit = NULL;
1174 uschar *sender_rate_period = NULL;
1175 uschar *sender_rcvhost = NULL;
1176 BOOL sender_set_untrusted = FALSE;
1177 uschar *sender_unqualified_hosts = NULL;
1178 uschar *sender_verify_failure = NULL;
1179 address_item *sender_verified_list = NULL;
1180 address_item *sender_verified_failed = NULL;
1181 int sender_verified_rc = -1;
1182 BOOL sender_verified_responded = FALSE;
1183 uschar *sending_ip_address = NULL;
1184 int sending_port = -1;
1185 SIGNAL_BOOL sigalrm_seen = FALSE;
1186 uschar **sighup_argv = NULL;
1187 int smtp_accept_count = 0;
1188 BOOL smtp_accept_keepalive = TRUE;
1189 int smtp_accept_max = 20;
1190 int smtp_accept_max_nonmail= 10;
1191 uschar *smtp_accept_max_nonmail_hosts = US"*";
1192 int smtp_accept_max_per_connection = 1000;
1193 uschar *smtp_accept_max_per_host = NULL;
1194 int smtp_accept_queue = 0;
1195 int smtp_accept_queue_per_connection = 10;
1196 int smtp_accept_reserve = 0;
1197 uschar *smtp_active_hostname = NULL;
1198 BOOL smtp_authenticated = FALSE;
1199 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1200 "Exim $version_number $tod_full"
1201 "\0<---------------Space to patch smtp_banner->";
1202 BOOL smtp_batched_input = FALSE;
1203 BOOL smtp_check_spool_space = TRUE;
1204 int smtp_ch_index = 0;
1205 uschar *smtp_cmd_argument = NULL;
1206 uschar *smtp_cmd_buffer = NULL;
1207 time_t smtp_connection_start = 0;
1208 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1209 int smtp_connect_backlog = 20;
1210 double smtp_delay_mail = 0.0;
1211 double smtp_delay_rcpt = 0.0;
1212 BOOL smtp_enforce_sync = TRUE;
1213 FILE *smtp_in = NULL;
1214 BOOL smtp_input = FALSE;
1215 int smtp_load_reserve = -1;
1216 int smtp_mailcmd_count = 0;
1217 FILE *smtp_out = NULL;
1218 uschar *smtp_etrn_command = NULL;
1219 BOOL smtp_etrn_serialize = TRUE;
1220 int smtp_max_synprot_errors= 3;
1221 int smtp_max_unknown_commands = 3;
1222 uschar *smtp_notquit_reason = NULL;
1223 uschar *smtp_ratelimit_hosts = NULL;
1224 uschar *smtp_ratelimit_mail = NULL;
1225 uschar *smtp_ratelimit_rcpt = NULL;
1226 uschar *smtp_read_error = US"";
1227 int smtp_receive_timeout = 5*60;
1228 uschar *smtp_reserve_hosts = NULL;
1229 BOOL smtp_return_error_details = FALSE;
1230 int smtp_rlm_base = 0;
1231 double smtp_rlm_factor = 0.0;
1232 int smtp_rlm_limit = 0;
1233 int smtp_rlm_threshold = INT_MAX;
1234 int smtp_rlr_base = 0;
1235 double smtp_rlr_factor = 0.0;
1236 int smtp_rlr_limit = 0;
1237 int smtp_rlr_threshold = INT_MAX;
1238 BOOL smtp_use_pipelining = FALSE;
1239 BOOL smtp_use_size = FALSE;
1240
1241 #ifdef WITH_CONTENT_SCAN
1242 uschar *spamd_address = US"127.0.0.1 783";
1243 uschar *spam_bar = NULL;
1244 uschar *spam_report = NULL;
1245 uschar *spam_score = NULL;
1246 uschar *spam_score_int = NULL;
1247 #endif
1248 #ifdef EXPERIMENTAL_SPF
1249 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1250 uschar *spf_header_comment = NULL;
1251 uschar *spf_received = NULL;
1252 uschar *spf_result = NULL;
1253 uschar *spf_smtp_comment = NULL;
1254 #endif
1255
1256 BOOL split_spool_directory = FALSE;
1257 uschar *spool_directory = US SPOOL_DIRECTORY
1258 "\0<--------------Space to patch spool_directory->";
1259 #ifdef EXPERIMENTAL_SRS
1260 uschar *srs_config = NULL;
1261 uschar *srs_db_address = NULL;
1262 uschar *srs_db_key = NULL;
1263 int srs_hashlength = 6;
1264 int srs_hashmin = -1;
1265 int srs_maxage = 31;
1266 uschar *srs_orig_recipient = NULL;
1267 uschar *srs_orig_sender = NULL;
1268 uschar *srs_recipient = NULL;
1269 uschar *srs_secrets = NULL;
1270 uschar *srs_status = NULL;
1271 BOOL srs_usehash = TRUE;
1272 BOOL srs_usetimestamp = TRUE;
1273 #endif
1274 BOOL strict_acl_vars = FALSE;
1275 int string_datestamp_offset= -1;
1276 int string_datestamp_length= 0;
1277 int string_datestamp_type = -1;
1278 BOOL strip_excess_angle_brackets = FALSE;
1279 BOOL strip_trailing_dot = FALSE;
1280 uschar *submission_domain = NULL;
1281 BOOL submission_mode = FALSE;
1282 uschar *submission_name = NULL;
1283 BOOL suppress_local_fixups = FALSE;
1284 BOOL suppress_local_fixups_default = FALSE;
1285 BOOL synchronous_delivery = FALSE;
1286 BOOL syslog_duplication = TRUE;
1287 int syslog_facility = LOG_MAIL;
1288 uschar *syslog_processname = US"exim";
1289 BOOL syslog_timestamp = TRUE;
1290 uschar *system_filter = NULL;
1291
1292 uschar *system_filter_directory_transport = NULL;
1293 uschar *system_filter_file_transport = NULL;
1294 uschar *system_filter_pipe_transport = NULL;
1295 uschar *system_filter_reply_transport = NULL;
1296
1297 gid_t system_filter_gid = 0;
1298 BOOL system_filter_gid_set = FALSE;
1299 uid_t system_filter_uid = (uid_t)-1;
1300 BOOL system_filter_uid_set = FALSE;
1301 BOOL system_filtering = FALSE;
1302
1303 BOOL tcp_nodelay = TRUE;
1304 #ifdef USE_TCP_WRAPPERS
1305 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1306 #endif
1307 int test_harness_load_avg = 0;
1308 int thismessage_size_limit = 0;
1309 int timeout_frozen_after = 0;
1310 BOOL timestamps_utc = FALSE;
1311
1312 #ifdef EXPERIMENTAL_TPDA
1313 int tpda_defer_errno = 0;
1314 uschar *tpda_defer_errstr = NULL;
1315 uschar *tpda_delivery_ip = NULL;
1316 int tpda_delivery_port = 0;
1317 uschar *tpda_delivery_fqdn = NULL;
1318 uschar *tpda_delivery_local_part= NULL;
1319 uschar *tpda_delivery_domain = NULL;
1320 uschar *tpda_delivery_confirmation = NULL;
1321 #endif
1322
1323 transport_instance *transports = NULL;
1324
1325 transport_instance transport_defaults = {
1326 NULL, /* chain pointer */
1327 NULL, /* name */
1328 NULL, /* info */
1329 NULL, /* private options block pointer */
1330 NULL, /* driver name */
1331 NULL, /* setup entry point */
1332 1, /* batch_max */
1333 NULL, /* batch_id */
1334 NULL, /* home_dir */
1335 NULL, /* current_dir */
1336 TRUE, /* multi-domain */
1337 FALSE, /* overrides_hosts */
1338 100, /* max_addresses */
1339 500, /* connection_max_messages */
1340 FALSE, /* deliver_as_creator */
1341 FALSE, /* disable_logging */
1342 FALSE, /* initgroups */
1343 FALSE, /* uid_set */
1344 FALSE, /* gid_set */
1345 (uid_t)(-1), /* uid */
1346 (gid_t)(-1), /* gid */
1347 NULL, /* expand_uid */
1348 NULL, /* expand_gid */
1349 NULL, /* warn_message */
1350 NULL, /* shadow */
1351 NULL, /* shadow_condition */
1352 NULL, /* filter_command */
1353 NULL, /* add_headers */
1354 NULL, /* remove_headers */
1355 NULL, /* return_path */
1356 NULL, /* debug_string */
1357 NULL, /* message_size_limit */
1358 NULL, /* headers_rewrite */
1359 NULL, /* rewrite_rules */
1360 0, /* rewrite_existflags */
1361 300, /* filter_timeout */
1362 FALSE, /* body_only */
1363 FALSE, /* delivery_date_add */
1364 FALSE, /* envelope_to_add */
1365 FALSE, /* headers_only */
1366 FALSE, /* rcpt_include_affixes */
1367 FALSE, /* return_path_add */
1368 FALSE, /* return_output */
1369 FALSE, /* return_fail_output */
1370 FALSE, /* log_output */
1371 FALSE, /* log_fail_output */
1372 FALSE, /* log_defer_output */
1373 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1374 1 nor 0 so can detect unset */
1375 };
1376
1377 int transport_count;
1378 uschar *transport_name = NULL;
1379 int transport_newlines;
1380 uschar **transport_filter_argv = NULL;
1381 int transport_filter_timeout;
1382 BOOL transport_filter_timed_out = FALSE;
1383 int transport_write_timeout= 0;
1384
1385 tree_node *tree_dns_fails = NULL;
1386 tree_node *tree_duplicates = NULL;
1387 tree_node *tree_nonrecipients = NULL;
1388 tree_node *tree_unusable = NULL;
1389
1390 BOOL trusted_caller = FALSE;
1391 BOOL trusted_config = TRUE;
1392 gid_t *trusted_groups = NULL;
1393 uid_t *trusted_users = NULL;
1394 uschar *timezone_string = US TIMEZONE_DEFAULT;
1395
1396 uschar *unknown_login = NULL;
1397 uschar *unknown_username = NULL;
1398 uschar *untrusted_set_sender = NULL;
1399
1400 /* A regex for matching a "From_" line in an incoming message, in the form
1401
1402 From ph10 Fri Jan 5 12:35 GMT 1996
1403
1404 which the "mail" commands send to the MTA (undocumented, of course), or in
1405 the form
1406
1407 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1408
1409 which is apparently used by some UUCPs, despite it not being in RFC 976.
1410 Because of variations in time formats, just match up to the minutes. That
1411 should be sufficient. Examples have been seen of time fields like 12:1:03,
1412 so just require one digit for hours and minutes. The weekday is also absent
1413 in some forms. */
1414
1415 uschar *uucp_from_pattern = US
1416 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1417 "(?:" /* Non-extracting bracket */
1418 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1419 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1420 ")" /* End alternation */
1421 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1422
1423 uschar *uucp_from_sender = US"$1";
1424
1425 uschar *warn_message_file = NULL;
1426 uschar *warnmsg_delay = NULL;
1427 uschar *warnmsg_recipients = NULL;
1428 BOOL write_rejectlog = TRUE;
1429
1430 uschar *version_copyright =
1431 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1432 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1433 uschar *version_date = US"?";
1434 uschar *version_cnumber = US"????";
1435 uschar *version_string = US"?";
1436
1437 int warning_count = 0;
1438
1439 /* End of globals.c */
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