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[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2016 */
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 BOOL opt_perl_taintmode = FALSE;
53 #endif
54
55 #ifdef EXPAND_DLFUNC
56 tree_node *dlobj_anchor = NULL;
57 #endif
58
59 #ifdef LOOKUP_IBASE
60 uschar *ibase_servers = NULL;
61 #endif
62
63 #ifdef LOOKUP_LDAP
64 uschar *eldap_ca_cert_dir = NULL;
65 uschar *eldap_ca_cert_file = NULL;
66 uschar *eldap_cert_file = NULL;
67 uschar *eldap_cert_key = NULL;
68 uschar *eldap_cipher_suite = NULL;
69 uschar *eldap_default_servers = NULL;
70 uschar *eldap_require_cert = NULL;
71 int eldap_version = -1;
72 BOOL eldap_start_tls = FALSE;
73 #endif
74
75 #ifdef LOOKUP_MYSQL
76 uschar *mysql_servers = NULL;
77 #endif
78
79 #ifdef LOOKUP_ORACLE
80 uschar *oracle_servers = NULL;
81 #endif
82
83 #ifdef LOOKUP_PGSQL
84 uschar *pgsql_servers = NULL;
85 #endif
86
87 #ifdef LOOKUP_REDIS
88 uschar *redis_servers = NULL;
89 #endif
90
91 #ifdef LOOKUP_SQLITE
92 int sqlite_lock_timeout = 5;
93 #endif
94
95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96 BOOL move_frozen_messages = FALSE;
97 #endif
98
99 /* These variables are outside the #ifdef because it keeps the code less
100 cluttered in several places (e.g. during logging) if we can always refer to
101 them. Also, the tls_ variables are now always visible. */
102
103 tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
107 #ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
109 0, /* tlsa_usage */
110 #endif
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
119 };
120 tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
124 #ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
126 0, /* tlsa_usage */
127 #endif
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
136 };
137
138 uschar *dsn_envid = NULL;
139 int dsn_ret = 0;
140 const pcre *regex_DSN = NULL;
141 BOOL smtp_use_dsn = FALSE;
142 uschar *dsn_advertise_hosts = NULL;
143
144 #ifdef SUPPORT_TLS
145 BOOL gnutls_compat_mode = FALSE;
146 BOOL gnutls_allow_auto_pkcs11 = FALSE;
147 uschar *openssl_options = NULL;
148 const pcre *regex_STARTTLS = NULL;
149 uschar *tls_advertise_hosts = US"*";
150 uschar *tls_certificate = NULL;
151 uschar *tls_crl = NULL;
152 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153 that's the interop problem which has been observed: GnuTLS suggesting a higher
154 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155 int tls_dh_max_bits = 2236;
156 uschar *tls_dhparam = NULL;
157 uschar *tls_eccurve = US"prime256v1";
158 # ifndef DISABLE_OCSP
159 uschar *tls_ocsp_file = NULL;
160 # endif
161 BOOL tls_offered = FALSE;
162 uschar *tls_privatekey = NULL;
163 BOOL tls_remember_esmtp = FALSE;
164 uschar *tls_require_ciphers = NULL;
165 uschar *tls_try_verify_hosts = NULL;
166 uschar *tls_verify_certificates= US"system";
167 uschar *tls_verify_hosts = NULL;
168 #else /*!SUPPORT_TLS*/
169 uschar *tls_advertise_hosts = NULL;
170 #endif
171
172 #ifndef DISABLE_PRDR
173 /* Per Recipient Data Response variables */
174 BOOL prdr_enable = FALSE;
175 BOOL prdr_requested = FALSE;
176 const pcre *regex_PRDR = NULL;
177 #endif
178
179 #ifdef SUPPORT_I18N
180 const pcre *regex_UTF8 = NULL;
181 #endif
182
183 /* Input-reading functions for messages, so we can use special ones for
184 incoming TCP/IP. The defaults use stdin. We never need these for any
185 stand-alone tests. */
186
187 #ifndef STAND_ALONE
188 int (*receive_getc)(void) = stdin_getc;
189 int (*receive_ungetc)(int) = stdin_ungetc;
190 int (*receive_feof)(void) = stdin_feof;
191 int (*receive_ferror)(void) = stdin_ferror;
192 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
193 #endif
194
195
196 /* List of per-address expansion variables for clearing and saving/restoring
197 when verifying one address while routing/verifying another. We have to have
198 the size explicit, because it is referenced from more than one module. */
199
200 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
213 CUSS &deliver_host,
214 CUSS &deliver_home,
215 CUSS &address_file,
216 CUSS &address_pipe,
217 CUSS &self_hostname,
218 NULL };
219
220 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222 /* General global variables */
223
224 header_line *acl_added_headers = NULL;
225 tree_node *acl_anchor = NULL;
226 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228 int acl_narg = 0;
229
230 uschar *acl_not_smtp = NULL;
231 #ifdef WITH_CONTENT_SCAN
232 uschar *acl_not_smtp_mime = NULL;
233 #endif
234 uschar *acl_not_smtp_start = NULL;
235 uschar *acl_removed_headers = NULL;
236 uschar *acl_smtp_auth = NULL;
237 uschar *acl_smtp_connect = NULL;
238 uschar *acl_smtp_data = NULL;
239 #ifndef DISABLE_PRDR
240 uschar *acl_smtp_data_prdr = US"accept";
241 #endif
242 #ifndef DISABLE_DKIM
243 uschar *acl_smtp_dkim = NULL;
244 #endif
245 uschar *acl_smtp_etrn = NULL;
246 uschar *acl_smtp_expn = NULL;
247 uschar *acl_smtp_helo = NULL;
248 uschar *acl_smtp_mail = NULL;
249 uschar *acl_smtp_mailauth = NULL;
250 #ifdef WITH_CONTENT_SCAN
251 uschar *acl_smtp_mime = NULL;
252 #endif
253 uschar *acl_smtp_notquit = NULL;
254 uschar *acl_smtp_predata = NULL;
255 uschar *acl_smtp_quit = NULL;
256 uschar *acl_smtp_rcpt = NULL;
257 uschar *acl_smtp_starttls = NULL;
258 uschar *acl_smtp_vrfy = NULL;
259
260 BOOL acl_temp_details = FALSE;
261 tree_node *acl_var_c = NULL;
262 tree_node *acl_var_m = NULL;
263 uschar *acl_verify_message = NULL;
264 string_item *acl_warn_logged = NULL;
265
266 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269 uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
272 US"MIME",
273 US"DKIM",
274 US"DATA",
275 #ifndef DISABLE_PRDR
276 US"PRDR",
277 #endif
278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
285 US"non-SMTP-start",
286 US"NOTQUIT",
287 US"QUIT",
288 US"STARTTLS",
289 US"VRFY",
290 US"delivery",
291 US"unknown"
292 };
293
294 uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
298 US"550", /* DKIM */
299 US"550", /* DATA */
300 #ifndef DISABLE_PRDR
301 US"550", /* RCPT PRDR */
302 #endif
303 US"0", /* not SMTP; not relevant */
304 US"503", /* AUTH */
305 US"550", /* connect */
306 US"458", /* ETRN */
307 US"550", /* EXPN */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
314 US"252", /* VRFY */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
317 };
318
319 BOOL active_local_from_check = FALSE;
320 BOOL active_local_sender_retain = FALSE;
321 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
322 uschar *add_environment = NULL;
323 address_item *addr_duplicate = NULL;
324
325 address_item address_defaults = {
326 NULL, /* next */
327 NULL, /* parent */
328 NULL, /* first */
329 NULL, /* dupof */
330 NULL, /* start_router */
331 NULL, /* router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
336 NULL, /* reply */
337 NULL, /* retries */
338 NULL, /* address */
339 NULL, /* unique */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
343 NULL, /* prefix */
344 NULL, /* suffix */
345 NULL, /* domain */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
349 NULL, /* home_dir */
350 NULL, /* message */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
357 #ifdef SUPPORT_TLS
358 NULL, /* cipher */
359 NULL, /* ourcert */
360 NULL, /* peercert */
361 NULL, /* peerdn */
362 OCSP_NOT_REQ, /* ocsp */
363 #endif
364 #ifdef EXPERIMENTAL_DSN_INFO
365 NULL, /* smtp_greeting */
366 NULL, /* helo_response */
367 #endif
368 NULL, /* authenticator */
369 NULL, /* auth_id */
370 NULL, /* auth_sndr */
371 NULL, /* dsn_orcpt */
372 0, /* dsn_flags */
373 0, /* dsn_aware */
374 (uid_t)(-1), /* uid */
375 (gid_t)(-1), /* gid */
376 0, /* flags */
377 { 0 }, /* domain_cache - any larger array should be zeroed */
378 { 0 }, /* localpart_cache - ditto */
379 -1, /* mode */
380 0, /* more_errno */
381 ERRNO_UNKNOWNERROR, /* basic_errno */
382 0, /* child_count */
383 -1, /* return_file */
384 SPECIAL_NONE, /* special_action */
385 DEFER, /* transport_return */
386 { /* fields that are propagated to children */
387 NULL, /* address_data */
388 NULL, /* domain_data */
389 NULL, /* localpart_data */
390 NULL, /* errors_address */
391 NULL, /* extra_headers */
392 NULL, /* remove_headers */
393 #ifdef EXPERIMENTAL_SRS
394 NULL, /* srs_sender */
395 #endif
396 #ifdef SUPPORT_I18N
397 FALSE, /* utf8 */
398 #endif
399 }
400 };
401
402 uschar *address_file = NULL;
403 uschar *address_pipe = NULL;
404 BOOL address_test_mode = FALSE;
405 tree_node *addresslist_anchor = NULL;
406 int addresslist_count = 0;
407 gid_t *admin_groups = NULL;
408 BOOL admin_user = FALSE;
409 BOOL allow_auth_unadvertised= FALSE;
410 BOOL allow_domain_literals = FALSE;
411 BOOL allow_mx_to_ip = FALSE;
412 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
413 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
414 BOOL allow_utf8_domains = FALSE;
415 uschar *authenticated_fail_id = NULL;
416 uschar *authenticated_id = NULL;
417 uschar *authenticated_sender = NULL;
418 BOOL authentication_failed = FALSE;
419 auth_instance *auths = NULL;
420 uschar *auth_advertise_hosts = US"*";
421 auth_instance auth_defaults = {
422 NULL, /* chain pointer */
423 NULL, /* name */
424 NULL, /* info */
425 NULL, /* private options block pointer */
426 NULL, /* driver_name */
427 NULL, /* advertise_condition */
428 NULL, /* client_condition */
429 NULL, /* public_name */
430 NULL, /* set_id */
431 NULL, /* set_client_id */
432 NULL, /* server_mail_auth_condition */
433 NULL, /* server_debug_string */
434 NULL, /* server_condition */
435 FALSE, /* client */
436 FALSE, /* server */
437 FALSE /* advertised */
438 };
439
440 uschar *auth_defer_msg = US"reason not recorded";
441 uschar *auth_defer_user_msg = US"";
442 uschar *auth_vars[AUTH_VARS];
443 int auto_thaw = 0;
444 #ifdef WITH_CONTENT_SCAN
445 BOOL av_failed = FALSE;
446 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
447 #endif
448
449 BOOL background_daemon = TRUE;
450
451 #if BASE_62 == 62
452 uschar *base62_chars=
453 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
454 #else
455 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
456 #endif
457
458 uschar *bi_command = NULL;
459 uschar *big_buffer = NULL;
460 int big_buffer_size = BIG_BUFFER_SIZE;
461 #ifdef EXPERIMENTAL_BRIGHTMAIL
462 uschar *bmi_alt_location = NULL;
463 uschar *bmi_base64_tracker_verdict = NULL;
464 uschar *bmi_base64_verdict = NULL;
465 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
466 int bmi_deliver = 1;
467 int bmi_run = 0;
468 uschar *bmi_verdicts = NULL;
469 #endif
470 int body_8bitmime = 0;
471 int body_linecount = 0;
472 int body_zerocount = 0;
473 uschar *bounce_message_file = NULL;
474 uschar *bounce_message_text = NULL;
475 uschar *bounce_recipient = NULL;
476 BOOL bounce_return_body = TRUE;
477 int bounce_return_linesize_limit = 998;
478 BOOL bounce_return_message = TRUE;
479 int bounce_return_size_limit = 100*1024;
480 uschar *bounce_sender_authentication = NULL;
481 int bsmtp_transaction_linecount = 0;
482
483 uschar *callout_address = NULL;
484 int callout_cache_domain_positive_expire = 7*24*60*60;
485 int callout_cache_domain_negative_expire = 3*60*60;
486 int callout_cache_positive_expire = 24*60*60;
487 int callout_cache_negative_expire = 2*60*60;
488 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
489 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
490 int check_log_inodes = 0;
491 int check_log_space = 0;
492 BOOL check_rfc2047_length = TRUE;
493 int check_spool_inodes = 0;
494 int check_spool_space = 0;
495 uschar *chunking_advertise_hosts = US"*";
496 uschar *client_authenticator = NULL;
497 uschar *client_authenticated_id = NULL;
498 uschar *client_authenticated_sender = NULL;
499 int clmacro_count = 0;
500 uschar *clmacros[MAX_CLMACROS];
501 BOOL config_changed = FALSE;
502 FILE *config_file = NULL;
503 uschar *config_filename = NULL;
504 int config_lineno = 0;
505 #ifdef CONFIGURE_GROUP
506 gid_t config_gid = CONFIGURE_GROUP;
507 #endif
508 uschar *config_main_filelist = US CONFIGURE_FILE
509 "\0<-----------Space to patch configure_filename->";
510 uschar *config_main_filename = NULL;
511 uschar *config_main_directory = NULL;
512
513 #ifdef CONFIGURE_OWNER
514 uid_t config_uid = CONFIGURE_OWNER;
515 #endif
516
517 int connection_max_messages= -1;
518 uschar *continue_hostname = NULL;
519 uschar *continue_host_address = NULL;
520 BOOL continue_more = FALSE;
521 int continue_sequence = 1;
522 uschar *continue_transport = NULL;
523
524 uschar *csa_status = NULL;
525 cut_t cutthrough = {
526 FALSE, /* delivery: when to attempt */
527 -1, /* fd: open connection */
528 0, /* nrcpt: number of addresses */
529 };
530
531 BOOL daemon_listen = FALSE;
532 uschar *daemon_smtp_port = US"smtp";
533 int daemon_startup_retries = 9;
534 int daemon_startup_sleep = 30;
535
536 #ifdef EXPERIMENTAL_DCC
537 BOOL dcc_direct_add_header = FALSE;
538 uschar *dcc_header = NULL;
539 uschar *dcc_result = NULL;
540 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
541 uschar *dccifd_options = US"header";
542 #endif
543
544 BOOL debug_daemon = FALSE;
545 int debug_fd = -1;
546 FILE *debug_file = NULL;
547 int debug_notall[] = {
548 Di_memory,
549 -1
550 };
551 bit_table debug_options[] = { /* must be in alphabetical order */
552 BIT_TABLE(D, acl),
553 BIT_TABLE(D, all),
554 BIT_TABLE(D, auth),
555 BIT_TABLE(D, deliver),
556 BIT_TABLE(D, dns),
557 BIT_TABLE(D, dnsbl),
558 BIT_TABLE(D, exec),
559 BIT_TABLE(D, expand),
560 BIT_TABLE(D, filter),
561 BIT_TABLE(D, hints_lookup),
562 BIT_TABLE(D, host_lookup),
563 BIT_TABLE(D, ident),
564 BIT_TABLE(D, interface),
565 BIT_TABLE(D, lists),
566 BIT_TABLE(D, load),
567 BIT_TABLE(D, local_scan),
568 BIT_TABLE(D, lookup),
569 BIT_TABLE(D, memory),
570 BIT_TABLE(D, pid),
571 BIT_TABLE(D, process_info),
572 BIT_TABLE(D, queue_run),
573 BIT_TABLE(D, receive),
574 BIT_TABLE(D, resolver),
575 BIT_TABLE(D, retry),
576 BIT_TABLE(D, rewrite),
577 BIT_TABLE(D, route),
578 BIT_TABLE(D, timestamp),
579 BIT_TABLE(D, tls),
580 BIT_TABLE(D, transport),
581 BIT_TABLE(D, uid),
582 BIT_TABLE(D, verify),
583 };
584 int debug_options_count = nelem(debug_options);
585
586 unsigned int debug_selector = 0;
587 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
588 uschar *delay_warning_condition=
589 US"${if or {"
590 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
591 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
592 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
593 "} {no}{yes}}";
594 BOOL delivery_date_remove = TRUE;
595 uschar *deliver_address_data = NULL;
596 int deliver_datafile = -1;
597 const uschar *deliver_domain = NULL;
598 uschar *deliver_domain_data = NULL;
599 const uschar *deliver_domain_orig = NULL;
600 const uschar *deliver_domain_parent = NULL;
601 BOOL deliver_drop_privilege = FALSE;
602 BOOL deliver_firsttime = FALSE;
603 BOOL deliver_force = FALSE;
604 BOOL deliver_freeze = FALSE;
605 time_t deliver_frozen_at = 0;
606 uschar *deliver_home = NULL;
607 const uschar *deliver_host = NULL;
608 const uschar *deliver_host_address = NULL;
609 int deliver_host_port = 0;
610 uschar *deliver_in_buffer = NULL;
611 ino_t deliver_inode = 0;
612 uschar *deliver_localpart = NULL;
613 uschar *deliver_localpart_data = NULL;
614 uschar *deliver_localpart_orig = NULL;
615 uschar *deliver_localpart_parent = NULL;
616 uschar *deliver_localpart_prefix = NULL;
617 uschar *deliver_localpart_suffix = NULL;
618 BOOL deliver_force_thaw = FALSE;
619 BOOL deliver_manual_thaw = FALSE;
620 uschar *deliver_out_buffer = NULL;
621 int deliver_queue_load_max = -1;
622 address_item *deliver_recipients = NULL;
623 uschar *deliver_selectstring = NULL;
624 BOOL deliver_selectstring_regex = FALSE;
625 uschar *deliver_selectstring_sender = NULL;
626 BOOL deliver_selectstring_sender_regex = FALSE;
627 BOOL disable_callout_flush = FALSE;
628 BOOL disable_delay_flush = FALSE;
629 #ifdef ENABLE_DISABLE_FSYNC
630 BOOL disable_fsync = FALSE;
631 #endif
632 BOOL disable_ipv6 = FALSE;
633 BOOL disable_logging = FALSE;
634
635 #ifndef DISABLE_DKIM
636 BOOL dkim_collect_input = FALSE;
637 uschar *dkim_cur_signer = NULL;
638 BOOL dkim_disable_verify = FALSE;
639 int dkim_key_length = 0;
640 uschar *dkim_signers = NULL;
641 uschar *dkim_signing_domain = NULL;
642 uschar *dkim_signing_selector = NULL;
643 uschar *dkim_verify_signers = US"$dkim_signers";
644 #endif
645 #ifdef EXPERIMENTAL_DMARC
646 BOOL dmarc_has_been_checked = FALSE;
647 uschar *dmarc_ar_header = NULL;
648 uschar *dmarc_domain_policy = NULL;
649 uschar *dmarc_forensic_sender = NULL;
650 uschar *dmarc_history_file = NULL;
651 uschar *dmarc_status = NULL;
652 uschar *dmarc_status_text = NULL;
653 uschar *dmarc_tld_file = NULL;
654 uschar *dmarc_used_domain = NULL;
655 BOOL dmarc_disable_verify = FALSE;
656 BOOL dmarc_enable_forensic = FALSE;
657 #endif
658
659 uschar *dns_again_means_nonexist = NULL;
660 int dns_csa_search_limit = 5;
661 BOOL dns_csa_use_reverse = TRUE;
662 #ifdef EXPERIMENTAL_DANE
663 int dns_dane_ok = -1;
664 #endif
665 uschar *dns_ipv4_lookup = NULL;
666 int dns_retrans = 0;
667 int dns_retry = 0;
668 int dns_dnssec_ok = -1; /* <0 = not coerced */
669 uschar *dns_trust_aa = NULL;
670 int dns_use_edns0 = -1; /* <0 = not coerced */
671 uschar *dnslist_domain = NULL;
672 uschar *dnslist_matched = NULL;
673 uschar *dnslist_text = NULL;
674 uschar *dnslist_value = NULL;
675 tree_node *domainlist_anchor = NULL;
676 int domainlist_count = 0;
677 BOOL dont_deliver = FALSE;
678 BOOL dot_ends = TRUE;
679 BOOL drop_cr = FALSE; /* No longer used */
680 uschar *dsn_from = US DEFAULT_DSN_FROM;
681
682 BOOL enable_dollar_recipients = FALSE;
683 BOOL envelope_to_remove = TRUE;
684 int errno_quota = ERRNO_QUOTA;
685 uschar *errors_copy = NULL;
686 int error_handling = ERRORS_SENDER;
687 uschar *errors_reply_to = NULL;
688 int errors_sender_rc = EXIT_FAILURE;
689 #ifndef DISABLE_EVENT
690 uschar *event_action = NULL; /* expansion for delivery events */
691 uschar *event_data = NULL; /* auxilary data variable for event */
692 int event_defer_errno = 0;
693 const uschar *event_name = NULL; /* event name variable */
694 #endif
695
696
697 gid_t exim_gid = EXIM_GID;
698 BOOL exim_gid_set = TRUE; /* This gid is always set */
699 uschar *exim_path = US BIN_DIRECTORY "/exim"
700 "\0<---------------Space to patch exim_path->";
701 uid_t exim_uid = EXIM_UID;
702 BOOL exim_uid_set = TRUE; /* This uid is always set */
703 int expand_forbid = 0;
704 int expand_nlength[EXPAND_MAXN+1];
705 int expand_nmax = -1;
706 uschar *expand_nstring[EXPAND_MAXN+1];
707 BOOL expand_string_forcedfail = FALSE;
708 uschar *expand_string_message;
709 BOOL extract_addresses_remove_arguments = TRUE;
710 uschar *extra_local_interfaces = NULL;
711
712 int fake_response = OK;
713 uschar *fake_response_text = US"Your message has been rejected but is "
714 "being kept for evaluation.\nIf it was a "
715 "legitimate message, it may still be "
716 "delivered to the target recipient(s).";
717 int filter_n[FILTER_VARIABLE_COUNT];
718 BOOL filter_running = FALSE;
719 int filter_sn[FILTER_VARIABLE_COUNT];
720 int filter_test = FTEST_NONE;
721 uschar *filter_test_sfile = NULL;
722 uschar *filter_test_ufile = NULL;
723 uschar *filter_thisaddress = NULL;
724 int finduser_retries = 0;
725 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
726 uschar *freeze_tell = NULL;
727 uschar *freeze_tell_config = NULL;
728 uschar *fudged_queue_times = US"";
729
730 uschar *gecos_name = NULL;
731 uschar *gecos_pattern = NULL;
732 rewrite_rule *global_rewrite_rules = NULL;
733
734 uschar *headers_charset = US HEADERS_CHARSET;
735 int header_insert_maxlen = 64 * 1024;
736 header_line *header_last = NULL;
737 header_line *header_list = NULL;
738 int header_maxsize = HEADER_MAXSIZE;
739 int header_line_maxsize = 0;
740
741 header_name header_names[] = {
742 { US"bcc", 3, TRUE, htype_bcc },
743 { US"cc", 2, TRUE, htype_cc },
744 { US"date", 4, TRUE, htype_date },
745 { US"delivery-date", 13, FALSE, htype_delivery_date },
746 { US"envelope-to", 11, FALSE, htype_envelope_to },
747 { US"from", 4, TRUE, htype_from },
748 { US"message-id", 10, TRUE, htype_id },
749 { US"received", 8, FALSE, htype_received },
750 { US"reply-to", 8, FALSE, htype_reply_to },
751 { US"return-path", 11, FALSE, htype_return_path },
752 { US"sender", 6, TRUE, htype_sender },
753 { US"subject", 7, FALSE, htype_subject },
754 { US"to", 2, TRUE, htype_to }
755 };
756
757 int header_names_size = sizeof(header_names)/sizeof(header_name);
758
759 BOOL header_rewritten = FALSE;
760 uschar *helo_accept_junk_hosts = NULL;
761 uschar *helo_allow_chars = US"";
762 uschar *helo_lookup_domains = US"@ : @[]";
763 uschar *helo_try_verify_hosts = NULL;
764 BOOL helo_verified = FALSE;
765 BOOL helo_verify_failed = FALSE;
766 uschar *helo_verify_hosts = NULL;
767 const uschar *hex_digits = CUS"0123456789abcdef";
768 uschar *hold_domains = NULL;
769 BOOL host_checking = FALSE;
770 BOOL host_checking_callout = FALSE;
771 uschar *host_data = NULL;
772 BOOL host_find_failed_syntax= FALSE;
773 uschar *host_lookup = NULL;
774 BOOL host_lookup_deferred = FALSE;
775 BOOL host_lookup_failed = FALSE;
776 uschar *host_lookup_order = US"bydns:byaddr";
777 uschar *host_lookup_msg = US"";
778 int host_number = 0;
779 uschar *host_number_string = NULL;
780 uschar *host_reject_connection = NULL;
781 tree_node *hostlist_anchor = NULL;
782 int hostlist_count = 0;
783 uschar *hosts_treat_as_local = NULL;
784 uschar *hosts_connection_nolog = NULL;
785
786 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
787 BOOL ignore_fromline_local = FALSE;
788 uschar *ignore_fromline_hosts = NULL;
789 BOOL inetd_wait_mode = FALSE;
790 int inetd_wait_timeout = -1;
791 uschar *initial_cwd = NULL;
792 uschar *interface_address = NULL;
793 int interface_port = -1;
794 BOOL is_inetd = FALSE;
795 uschar *iterate_item = NULL;
796
797 int journal_fd = -1;
798
799 uschar *keep_environment = NULL;
800
801 int keep_malformed = 4*24*60*60; /* 4 days */
802
803 uschar *eldap_dn = NULL;
804 int load_average = -2;
805 BOOL local_error_message = FALSE;
806 BOOL local_from_check = TRUE;
807 uschar *local_from_prefix = NULL;
808 uschar *local_from_suffix = NULL;
809
810 #if HAVE_IPV6
811 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
812 #else
813 uschar *local_interfaces = US"0.0.0.0";
814 #endif
815
816 uschar *local_scan_data = NULL;
817 int local_scan_timeout = 5*60;
818 BOOL local_sender_retain = FALSE;
819 gid_t local_user_gid = (gid_t)(-1);
820 uid_t local_user_uid = (uid_t)(-1);
821
822 tree_node *localpartlist_anchor= NULL;
823 int localpartlist_count = 0;
824 uschar *log_buffer = NULL;
825
826 int log_default[] = { /* for initializing log_selector */
827 Li_acl_warn_skipped,
828 Li_connection_reject,
829 Li_delay_delivery,
830 Li_dnslist_defer,
831 Li_etrn,
832 Li_host_lookup_failed,
833 Li_lost_incoming_connection,
834 Li_outgoing_interface, /* see d_log_interface in deliver.c */
835 Li_queue_run,
836 Li_rejected_header,
837 Li_retry_defer,
838 Li_sender_verify_fail,
839 Li_size_reject,
840 Li_skip_delivery,
841 Li_smtp_confirmation,
842 Li_tls_certificate_verified,
843 Li_tls_cipher,
844 -1
845 };
846
847 uschar *log_file_path = US LOG_FILE_PATH
848 "\0<--------------Space to patch log_file_path->";
849
850 int log_notall[] = {
851 -1
852 };
853 bit_table log_options[] = { /* must be in alphabetical order */
854 BIT_TABLE(L, 8bitmime),
855 BIT_TABLE(L, acl_warn_skipped),
856 BIT_TABLE(L, address_rewrite),
857 BIT_TABLE(L, all),
858 BIT_TABLE(L, all_parents),
859 BIT_TABLE(L, arguments),
860 BIT_TABLE(L, connection_reject),
861 BIT_TABLE(L, delay_delivery),
862 BIT_TABLE(L, deliver_time),
863 BIT_TABLE(L, delivery_size),
864 BIT_TABLE(L, dnslist_defer),
865 BIT_TABLE(L, dnssec),
866 BIT_TABLE(L, etrn),
867 BIT_TABLE(L, host_lookup_failed),
868 BIT_TABLE(L, ident_timeout),
869 BIT_TABLE(L, incoming_interface),
870 BIT_TABLE(L, incoming_port),
871 BIT_TABLE(L, lost_incoming_connection),
872 BIT_TABLE(L, outgoing_interface),
873 BIT_TABLE(L, outgoing_port),
874 BIT_TABLE(L, pid),
875 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
876 BIT_TABLE(L, proxy),
877 #endif
878 BIT_TABLE(L, queue_run),
879 BIT_TABLE(L, queue_time),
880 BIT_TABLE(L, queue_time_overall),
881 BIT_TABLE(L, received_recipients),
882 BIT_TABLE(L, received_sender),
883 BIT_TABLE(L, rejected_header),
884 { US"rejected_headers", Li_rejected_header },
885 BIT_TABLE(L, retry_defer),
886 BIT_TABLE(L, return_path_on_delivery),
887 BIT_TABLE(L, sender_on_delivery),
888 BIT_TABLE(L, sender_verify_fail),
889 BIT_TABLE(L, size_reject),
890 BIT_TABLE(L, skip_delivery),
891 BIT_TABLE(L, smtp_confirmation),
892 BIT_TABLE(L, smtp_connection),
893 BIT_TABLE(L, smtp_incomplete_transaction),
894 BIT_TABLE(L, smtp_mailauth),
895 BIT_TABLE(L, smtp_no_mail),
896 BIT_TABLE(L, smtp_protocol_error),
897 BIT_TABLE(L, smtp_syntax_error),
898 BIT_TABLE(L, subject),
899 BIT_TABLE(L, tls_certificate_verified),
900 BIT_TABLE(L, tls_cipher),
901 BIT_TABLE(L, tls_peerdn),
902 BIT_TABLE(L, tls_sni),
903 BIT_TABLE(L, unknown_in_list),
904 };
905 int log_options_count = nelem(log_options);
906
907 int log_reject_target = 0;
908 unsigned int log_selector[log_selector_size]; /* initialized in main() */
909 uschar *log_selector_string = NULL;
910 FILE *log_stderr = NULL;
911 BOOL log_testing_mode = FALSE;
912 BOOL log_timezone = FALSE;
913 uschar *login_sender_address = NULL;
914 uschar *lookup_dnssec_authenticated = NULL;
915 int lookup_open_max = 25;
916 uschar *lookup_value = NULL;
917
918 macro_item *macros = NULL;
919 uschar *mailstore_basename = NULL;
920 #ifdef WITH_CONTENT_SCAN
921 uschar *malware_name = NULL; /* Virus Name */
922 #endif
923 int max_received_linelength= 0;
924 int max_username_length = 0;
925 int message_age = 0;
926 uschar *message_body = NULL;
927 uschar *message_body_end = NULL;
928 BOOL message_body_newlines = FALSE;
929 int message_body_size = 0;
930 int message_body_visible = 500;
931 int message_ended = END_NOTSTARTED;
932 uschar *message_headers = NULL;
933 uschar *message_id;
934 uschar *message_id_domain = NULL;
935 uschar *message_id_text = NULL;
936 struct timeval message_id_tv = { 0, 0 };
937 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
938 uschar *message_id_external;
939 int message_linecount = 0;
940 BOOL message_logs = TRUE;
941 int message_size = 0;
942 uschar *message_size_limit = US"50M";
943 #ifdef SUPPORT_I18N
944 BOOL message_smtputf8 = FALSE;
945 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
946 #endif
947 uschar message_subdir[2] = { 0, 0 };
948 uschar *message_reference = NULL;
949
950 /* MIME ACL expandables */
951 #ifdef WITH_CONTENT_SCAN
952 int mime_anomaly_level = 0;
953 const uschar *mime_anomaly_text = NULL;
954 uschar *mime_boundary = NULL;
955 uschar *mime_charset = NULL;
956 uschar *mime_content_description = NULL;
957 uschar *mime_content_disposition = NULL;
958 uschar *mime_content_id = NULL;
959 unsigned int mime_content_size = 0;
960 uschar *mime_content_transfer_encoding = NULL;
961 uschar *mime_content_type = NULL;
962 uschar *mime_decoded_filename = NULL;
963 uschar *mime_filename = NULL;
964 int mime_is_multipart = 0;
965 int mime_is_coverletter = 0;
966 int mime_is_rfc822 = 0;
967 int mime_part_count = -1;
968 #endif
969
970 BOOL mua_wrapper = FALSE;
971
972 uid_t *never_users = NULL;
973 #ifdef WITH_CONTENT_SCAN
974 BOOL no_mbox_unspool = FALSE;
975 #endif
976 BOOL no_multiline_responses = FALSE;
977
978 uid_t original_euid;
979 gid_t originator_gid;
980 uschar *originator_login = NULL;
981 uschar *originator_name = NULL;
982 uid_t originator_uid;
983 uschar *override_local_interfaces = NULL;
984 uschar *override_pid_file_path = NULL;
985
986 BOOL parse_allow_group = FALSE;
987 BOOL parse_found_group = FALSE;
988 uschar *percent_hack_domains = NULL;
989 uschar *pid_file_path = US PID_FILE_PATH
990 "\0<--------------Space to patch pid_file_path->";
991 BOOL pipelining_enable = TRUE;
992 uschar *pipelining_advertise_hosts = US"*";
993 BOOL preserve_message_logs = FALSE;
994 uschar *primary_hostname = NULL;
995 BOOL print_topbitchars = FALSE;
996 uschar process_info[PROCESS_INFO_SIZE];
997 int process_info_len = 0;
998 uschar *process_log_path = NULL;
999 BOOL prod_requires_admin = TRUE;
1000
1001 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1002 uschar *hosts_proxy = US"";
1003 uschar *proxy_external_address = US"";
1004 int proxy_external_port = 0;
1005 uschar *proxy_local_address = US"";
1006 int proxy_local_port = 0;
1007 BOOL proxy_session = FALSE;
1008 BOOL proxy_session_failed = FALSE;
1009 #endif
1010
1011 uschar *prvscheck_address = NULL;
1012 uschar *prvscheck_keynum = NULL;
1013 uschar *prvscheck_result = NULL;
1014
1015
1016 const uschar *qualify_domain_recipient = NULL;
1017 uschar *qualify_domain_sender = NULL;
1018 BOOL queue_2stage = FALSE;
1019 uschar *queue_domains = NULL;
1020 int queue_interval = -1;
1021 BOOL queue_list_requires_admin = TRUE;
1022 uschar *queue_name = US"";
1023 BOOL queue_only = FALSE;
1024 uschar *queue_only_file = NULL;
1025 int queue_only_load = -1;
1026 BOOL queue_only_load_latch = TRUE;
1027 BOOL queue_only_override = TRUE;
1028 BOOL queue_only_policy = FALSE;
1029 BOOL queue_run_first_delivery = FALSE;
1030 BOOL queue_run_force = FALSE;
1031 BOOL queue_run_in_order = FALSE;
1032 BOOL queue_run_local = FALSE;
1033 uschar *queue_run_max = US"5";
1034 pid_t queue_run_pid = (pid_t)0;
1035 int queue_run_pipe = -1;
1036 BOOL queue_running = FALSE;
1037 BOOL queue_smtp = FALSE;
1038 uschar *queue_smtp_domains = NULL;
1039
1040 unsigned int random_seed = 0;
1041 tree_node *ratelimiters_cmd = NULL;
1042 tree_node *ratelimiters_conn = NULL;
1043 tree_node *ratelimiters_mail = NULL;
1044 uschar *raw_active_hostname = NULL;
1045 uschar *raw_sender = NULL;
1046 uschar **raw_recipients = NULL;
1047 int raw_recipients_count = 0;
1048
1049 int rcpt_count = 0;
1050 int rcpt_fail_count = 0;
1051 int rcpt_defer_count = 0;
1052 gid_t real_gid;
1053 uid_t real_uid;
1054 BOOL really_exim = TRUE;
1055 BOOL receive_call_bombout = FALSE;
1056 int receive_linecount = 0;
1057 int receive_messagecount = 0;
1058 int receive_timeout = 0;
1059 int received_count = 0;
1060 uschar *received_for = NULL;
1061
1062 /* This is the default text for Received headers generated by Exim. The
1063 date will be automatically added on the end. */
1064
1065 uschar *received_header_text = US
1066 "Received: "
1067 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1068 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1069 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1070 "by $primary_hostname "
1071 "${if def:received_protocol {with $received_protocol}} "
1072 #ifdef SUPPORT_TLS
1073 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1074 #endif
1075 "(Exim $version_number)\n\t"
1076 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1077 "id $message_exim_id"
1078 "${if def:received_for {\n\tfor $received_for}}"
1079 "\0<---------------Space to patch received_header_text->";
1080
1081 int received_headers_max = 30;
1082 uschar *received_protocol = NULL;
1083 int received_time = 0;
1084 uschar *recipient_data = NULL;
1085 uschar *recipient_unqualified_hosts = NULL;
1086 uschar *recipient_verify_failure = NULL;
1087 int recipients_count = 0;
1088 BOOL recipients_discarded = FALSE;
1089 recipient_item *recipients_list = NULL;
1090 int recipients_list_max = 0;
1091 int recipients_max = 0;
1092 BOOL recipients_max_reject = FALSE;
1093 const pcre *regex_AUTH = NULL;
1094 const pcre *regex_check_dns_names = NULL;
1095 const pcre *regex_From = NULL;
1096 const pcre *regex_IGNOREQUOTA = NULL;
1097 const pcre *regex_PIPELINING = NULL;
1098 const pcre *regex_SIZE = NULL;
1099 const pcre *regex_ismsgid = NULL;
1100 const pcre *regex_smtp_code = NULL;
1101 uschar *regex_vars[REGEX_VARS];
1102 #ifdef WHITELIST_D_MACROS
1103 const pcre *regex_whitelisted_macro = NULL;
1104 #endif
1105 #ifdef WITH_CONTENT_SCAN
1106 uschar *regex_match_string = NULL;
1107 #endif
1108 int remote_delivery_count = 0;
1109 int remote_max_parallel = 2;
1110 uschar *remote_sort_domains = NULL;
1111 int retry_data_expire = 7*24*60*60;
1112 int retry_interval_max = 24*60*60;
1113 int retry_maximum_timeout = 0; /* set from retry config */
1114 retry_config *retries = NULL;
1115 uschar *return_path = NULL;
1116 BOOL return_path_remove = TRUE;
1117 int rewrite_existflags = 0;
1118 uschar *rfc1413_hosts = US"@[]";
1119 int rfc1413_query_timeout = 0;
1120 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1121 uid_t root_gid = ROOT_GID;
1122 uid_t root_uid = ROOT_UID;
1123
1124 router_instance *routers = NULL;
1125 router_instance router_defaults = {
1126 NULL, /* chain pointer */
1127 NULL, /* name */
1128 NULL, /* info */
1129 NULL, /* private options block pointer */
1130 NULL, /* driver name */
1131
1132 NULL, /* address_data */
1133 #ifdef EXPERIMENTAL_BRIGHTMAIL
1134 NULL, /* bmi_rule */
1135 #endif
1136 NULL, /* cannot_route_message */
1137 NULL, /* condition */
1138 NULL, /* current_directory */
1139 NULL, /* debug_string */
1140 NULL, /* domains */
1141 NULL, /* errors_to */
1142 NULL, /* expand_gid */
1143 NULL, /* expand_uid */
1144 NULL, /* expand_more */
1145 NULL, /* expand_unseen */
1146 NULL, /* extra_headers */
1147 NULL, /* fallback_hosts */
1148 NULL, /* home_directory */
1149 NULL, /* ignore_target_hosts */
1150 NULL, /* local_parts */
1151 NULL, /* pass_router_name */
1152 NULL, /* prefix */
1153 NULL, /* redirect_router_name */
1154 NULL, /* remove_headers */
1155 NULL, /* require_files */
1156 NULL, /* router_home_directory */
1157 US"freeze", /* self */
1158 NULL, /* senders */
1159 NULL, /* suffix */
1160 NULL, /* translate_ip_address */
1161 NULL, /* transport_name */
1162
1163 TRUE, /* address_test */
1164 #ifdef EXPERIMENTAL_BRIGHTMAIL
1165 FALSE, /* bmi_deliver_alternate */
1166 FALSE, /* bmi_deliver_default */
1167 FALSE, /* bmi_dont_deliver */
1168 #endif
1169 TRUE, /* expn */
1170 FALSE, /* caseful_local_part */
1171 FALSE, /* check_local_user */
1172 FALSE, /* disable_logging */
1173 FALSE, /* fail_verify_recipient */
1174 FALSE, /* fail_verify_sender */
1175 FALSE, /* gid_set */
1176 FALSE, /* initgroups */
1177 TRUE_UNSET, /* log_as_local */
1178 TRUE, /* more */
1179 FALSE, /* pass_on_timeout */
1180 FALSE, /* prefix_optional */
1181 TRUE, /* repeat_use */
1182 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1183 FALSE, /* same_domain_copy_routing */
1184 FALSE, /* self_rewrite */
1185 FALSE, /* suffix_optional */
1186 FALSE, /* verify_only */
1187 TRUE, /* verify_recipient */
1188 TRUE, /* verify_sender */
1189 FALSE, /* uid_set */
1190 FALSE, /* unseen */
1191 FALSE, /* dsn_lasthop */
1192
1193 self_freeze, /* self_code */
1194 (uid_t)(-1), /* uid */
1195 (gid_t)(-1), /* gid */
1196
1197 NULL, /* fallback_hostlist */
1198 NULL, /* transport instance */
1199 NULL, /* pass_router */
1200 NULL, /* redirect_router */
1201
1202 { NULL, NULL }, /* dnssec_domains {require,request} */
1203 };
1204
1205 uschar *router_name = NULL;
1206
1207 ip_address_item *running_interfaces = NULL;
1208 BOOL running_in_test_harness = FALSE;
1209
1210 /* This is a weird one. The following string gets patched in the binary by the
1211 script that sets up a copy of Exim for running in the test harness. It seems
1212 that compilers are now clever, and share constant strings if they can.
1213 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1214 make use of the end of this string in order to save space. So the patching then
1215 wrecks this. We defeat this optimization by adding some additional characters
1216 onto the end of the string. */
1217
1218 uschar *running_status = US">>>running<<<" "\0EXTRA";
1219
1220 int runrc = 0;
1221
1222 uschar *search_error_message = NULL;
1223 BOOL search_find_defer = FALSE;
1224 uschar *self_hostname = NULL;
1225 uschar *sender_address = NULL;
1226 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1227 uschar *sender_address_data = NULL;
1228 BOOL sender_address_forced = FALSE;
1229 uschar *sender_address_unrewritten = NULL;
1230 uschar *sender_data = NULL;
1231 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1232 uschar *sender_fullhost = NULL;
1233 BOOL sender_helo_dnssec = FALSE;
1234 uschar *sender_helo_name = NULL;
1235 uschar **sender_host_aliases = &no_aliases;
1236 uschar *sender_host_address = NULL;
1237 uschar *sender_host_authenticated = NULL;
1238 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1239 BOOL sender_host_dnssec = FALSE;
1240 uschar *sender_host_name = NULL;
1241 int sender_host_port = 0;
1242 BOOL sender_host_notsocket = FALSE;
1243 BOOL sender_host_unknown = FALSE;
1244 uschar *sender_ident = NULL;
1245 BOOL sender_local = FALSE;
1246 BOOL sender_name_forced = FALSE;
1247 uschar *sender_rate = NULL;
1248 uschar *sender_rate_limit = NULL;
1249 uschar *sender_rate_period = NULL;
1250 uschar *sender_rcvhost = NULL;
1251 BOOL sender_set_untrusted = FALSE;
1252 uschar *sender_unqualified_hosts = NULL;
1253 uschar *sender_verify_failure = NULL;
1254 address_item *sender_verified_list = NULL;
1255 address_item *sender_verified_failed = NULL;
1256 int sender_verified_rc = -1;
1257 BOOL sender_verified_responded = FALSE;
1258 uschar *sending_ip_address = NULL;
1259 int sending_port = -1;
1260 SIGNAL_BOOL sigalrm_seen = FALSE;
1261 uschar **sighup_argv = NULL;
1262 int slow_lookup_log = 0; /* millisecs, zero disables */
1263 int smtp_accept_count = 0;
1264 BOOL smtp_accept_keepalive = TRUE;
1265 int smtp_accept_max = 20;
1266 int smtp_accept_max_nonmail= 10;
1267 uschar *smtp_accept_max_nonmail_hosts = US"*";
1268 int smtp_accept_max_per_connection = 1000;
1269 uschar *smtp_accept_max_per_host = NULL;
1270 int smtp_accept_queue = 0;
1271 int smtp_accept_queue_per_connection = 10;
1272 int smtp_accept_reserve = 0;
1273 uschar *smtp_active_hostname = NULL;
1274 BOOL smtp_authenticated = FALSE;
1275 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1276 "Exim $version_number $tod_full"
1277 "\0<---------------Space to patch smtp_banner->";
1278 BOOL smtp_batched_input = FALSE;
1279 BOOL smtp_check_spool_space = TRUE;
1280 int smtp_ch_index = 0;
1281 uschar *smtp_cmd_argument = NULL;
1282 uschar *smtp_cmd_buffer = NULL;
1283 time_t smtp_connection_start = 0;
1284 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1285 int smtp_connect_backlog = 20;
1286 double smtp_delay_mail = 0.0;
1287 double smtp_delay_rcpt = 0.0;
1288 BOOL smtp_enforce_sync = TRUE;
1289 FILE *smtp_in = NULL;
1290 BOOL smtp_input = FALSE;
1291 int smtp_load_reserve = -1;
1292 int smtp_mailcmd_count = 0;
1293 FILE *smtp_out = NULL;
1294 uschar *smtp_etrn_command = NULL;
1295 BOOL smtp_etrn_serialize = TRUE;
1296 int smtp_max_synprot_errors= 3;
1297 int smtp_max_unknown_commands = 3;
1298 uschar *smtp_notquit_reason = NULL;
1299 uschar *smtp_ratelimit_hosts = NULL;
1300 uschar *smtp_ratelimit_mail = NULL;
1301 uschar *smtp_ratelimit_rcpt = NULL;
1302 uschar *smtp_read_error = US"";
1303 int smtp_receive_timeout = 5*60;
1304 uschar *smtp_receive_timeout_s = NULL;
1305 uschar *smtp_reserve_hosts = NULL;
1306 BOOL smtp_return_error_details = FALSE;
1307 int smtp_rlm_base = 0;
1308 double smtp_rlm_factor = 0.0;
1309 int smtp_rlm_limit = 0;
1310 int smtp_rlm_threshold = INT_MAX;
1311 int smtp_rlr_base = 0;
1312 double smtp_rlr_factor = 0.0;
1313 int smtp_rlr_limit = 0;
1314 int smtp_rlr_threshold = INT_MAX;
1315 BOOL smtp_use_pipelining = FALSE;
1316 BOOL smtp_use_size = FALSE;
1317 #ifdef SUPPORT_I18N
1318 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1319 #endif
1320
1321 #ifdef WITH_CONTENT_SCAN
1322 uschar *spamd_address = US"127.0.0.1 783";
1323 uschar *spam_bar = NULL;
1324 uschar *spam_report = NULL;
1325 uschar *spam_action = NULL;
1326 uschar *spam_score = NULL;
1327 uschar *spam_score_int = NULL;
1328 #endif
1329 #ifdef EXPERIMENTAL_SPF
1330 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1331 uschar *spf_header_comment = NULL;
1332 uschar *spf_received = NULL;
1333 uschar *spf_result = NULL;
1334 uschar *spf_smtp_comment = NULL;
1335 #endif
1336
1337 BOOL split_spool_directory = FALSE;
1338 uschar *spool_directory = US SPOOL_DIRECTORY
1339 "\0<--------------Space to patch spool_directory->";
1340 #ifdef EXPERIMENTAL_SRS
1341 uschar *srs_config = NULL;
1342 uschar *srs_db_address = NULL;
1343 uschar *srs_db_key = NULL;
1344 int srs_hashlength = 6;
1345 int srs_hashmin = -1;
1346 int srs_maxage = 31;
1347 uschar *srs_orig_recipient = NULL;
1348 uschar *srs_orig_sender = NULL;
1349 uschar *srs_recipient = NULL;
1350 uschar *srs_secrets = NULL;
1351 uschar *srs_status = NULL;
1352 BOOL srs_usehash = TRUE;
1353 BOOL srs_usetimestamp = TRUE;
1354 #endif
1355 BOOL strict_acl_vars = FALSE;
1356 int string_datestamp_offset= -1;
1357 int string_datestamp_length= 0;
1358 int string_datestamp_type = -1;
1359 BOOL strip_excess_angle_brackets = FALSE;
1360 BOOL strip_trailing_dot = FALSE;
1361 uschar *submission_domain = NULL;
1362 BOOL submission_mode = FALSE;
1363 uschar *submission_name = NULL;
1364 BOOL suppress_local_fixups = FALSE;
1365 BOOL suppress_local_fixups_default = FALSE;
1366 BOOL synchronous_delivery = FALSE;
1367 BOOL syslog_duplication = TRUE;
1368 int syslog_facility = LOG_MAIL;
1369 uschar *syslog_processname = US"exim";
1370 BOOL syslog_timestamp = TRUE;
1371 uschar *system_filter = NULL;
1372
1373 uschar *system_filter_directory_transport = NULL;
1374 uschar *system_filter_file_transport = NULL;
1375 uschar *system_filter_pipe_transport = NULL;
1376 uschar *system_filter_reply_transport = NULL;
1377
1378 gid_t system_filter_gid = 0;
1379 BOOL system_filter_gid_set = FALSE;
1380 uid_t system_filter_uid = (uid_t)-1;
1381 BOOL system_filter_uid_set = FALSE;
1382 BOOL system_filtering = FALSE;
1383
1384 BOOL tcp_nodelay = TRUE;
1385 #ifdef USE_TCP_WRAPPERS
1386 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1387 #endif
1388 int test_harness_load_avg = 0;
1389 int thismessage_size_limit = 0;
1390 int timeout_frozen_after = 0;
1391 BOOL timestamps_utc = FALSE;
1392
1393 transport_instance *transports = NULL;
1394
1395 transport_instance transport_defaults = {
1396 NULL, /* chain pointer */
1397 NULL, /* name */
1398 NULL, /* info */
1399 NULL, /* private options block pointer */
1400 NULL, /* driver name */
1401 NULL, /* setup entry point */
1402 1, /* batch_max */
1403 NULL, /* batch_id */
1404 NULL, /* home_dir */
1405 NULL, /* current_dir */
1406 NULL, /* expand-multi-domain */
1407 TRUE, /* multi-domain */
1408 FALSE, /* overrides_hosts */
1409 100, /* max_addresses */
1410 500, /* connection_max_messages */
1411 FALSE, /* deliver_as_creator */
1412 FALSE, /* disable_logging */
1413 FALSE, /* initgroups */
1414 FALSE, /* uid_set */
1415 FALSE, /* gid_set */
1416 (uid_t)(-1), /* uid */
1417 (gid_t)(-1), /* gid */
1418 NULL, /* expand_uid */
1419 NULL, /* expand_gid */
1420 NULL, /* warn_message */
1421 NULL, /* shadow */
1422 NULL, /* shadow_condition */
1423 NULL, /* filter_command */
1424 NULL, /* add_headers */
1425 NULL, /* remove_headers */
1426 NULL, /* return_path */
1427 NULL, /* debug_string */
1428 NULL, /* max_parallel */
1429 NULL, /* message_size_limit */
1430 NULL, /* headers_rewrite */
1431 NULL, /* rewrite_rules */
1432 0, /* rewrite_existflags */
1433 300, /* filter_timeout */
1434 FALSE, /* body_only */
1435 FALSE, /* delivery_date_add */
1436 FALSE, /* envelope_to_add */
1437 FALSE, /* headers_only */
1438 FALSE, /* rcpt_include_affixes */
1439 FALSE, /* return_path_add */
1440 FALSE, /* return_output */
1441 FALSE, /* return_fail_output */
1442 FALSE, /* log_output */
1443 FALSE, /* log_fail_output */
1444 FALSE, /* log_defer_output */
1445 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1446 1 nor 0 so can detect unset */
1447 #ifndef DISABLE_EVENT
1448 ,NULL /* event_action */
1449 #endif
1450 };
1451
1452 int transport_count;
1453 uschar *transport_name = NULL;
1454 int transport_newlines;
1455 const uschar **transport_filter_argv = NULL;
1456 int transport_filter_timeout;
1457 BOOL transport_filter_timed_out = FALSE;
1458 int transport_write_timeout= 0;
1459
1460 tree_node *tree_dns_fails = NULL;
1461 tree_node *tree_duplicates = NULL;
1462 tree_node *tree_nonrecipients = NULL;
1463 tree_node *tree_unusable = NULL;
1464
1465 BOOL trusted_caller = FALSE;
1466 BOOL trusted_config = TRUE;
1467 gid_t *trusted_groups = NULL;
1468 uid_t *trusted_users = NULL;
1469 uschar *timezone_string = US TIMEZONE_DEFAULT;
1470
1471 uschar *unknown_login = NULL;
1472 uschar *unknown_username = NULL;
1473 uschar *untrusted_set_sender = NULL;
1474
1475 /* A regex for matching a "From_" line in an incoming message, in the form
1476
1477 From ph10 Fri Jan 5 12:35 GMT 1996
1478
1479 which the "mail" commands send to the MTA (undocumented, of course), or in
1480 the form
1481
1482 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1483
1484 which is apparently used by some UUCPs, despite it not being in RFC 976.
1485 Because of variations in time formats, just match up to the minutes. That
1486 should be sufficient. Examples have been seen of time fields like 12:1:03,
1487 so just require one digit for hours and minutes. The weekday is also absent
1488 in some forms. */
1489
1490 uschar *uucp_from_pattern = US
1491 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1492 "(?:" /* Non-extracting bracket */
1493 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1494 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1495 ")" /* End alternation */
1496 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1497
1498 uschar *uucp_from_sender = US"$1";
1499
1500 uschar *verify_mode = NULL;
1501 uschar *version_copyright =
1502 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1503 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1504 uschar *version_date = US"?";
1505 uschar *version_cnumber = US"????";
1506 uschar *version_string = US"?";
1507
1508 uschar *warn_message_file = NULL;
1509 int warning_count = 0;
1510 uschar *warnmsg_delay = NULL;
1511 uschar *warnmsg_recipients = NULL;
1512 BOOL write_rejectlog = TRUE;
1513
1514
1515 /* End of globals.c */
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