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