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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 - 2017 */
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 = nelem(optionlist_auths);
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 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 *openssl_options = NULL;
147 const pcre *regex_STARTTLS = NULL;
148 uschar *tls_advertise_hosts = US"*";
149 uschar *tls_certificate = NULL;
150 uschar *tls_crl = NULL;
151 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152 that's the interop problem which has been observed: GnuTLS suggesting a higher
153 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154 int tls_dh_max_bits = 2236;
155 uschar *tls_dhparam = NULL;
156 uschar *tls_eccurve = US"auto";
157 # ifndef DISABLE_OCSP
158 uschar *tls_ocsp_file = NULL;
159 # endif
160 uschar *tls_privatekey = NULL;
161 BOOL tls_remember_esmtp = FALSE;
162 uschar *tls_require_ciphers = NULL;
163 uschar *tls_try_verify_hosts = NULL;
164 uschar *tls_verify_certificates= US"system";
165 uschar *tls_verify_hosts = NULL;
166 #else /*!SUPPORT_TLS*/
167 uschar *tls_advertise_hosts = NULL;
168 #endif
169
170 #ifndef DISABLE_PRDR
171 /* Per Recipient Data Response variables */
172 BOOL prdr_enable = FALSE;
173 BOOL prdr_requested = FALSE;
174 const pcre *regex_PRDR = NULL;
175 #endif
176
177 #ifdef SUPPORT_I18N
178 const pcre *regex_UTF8 = NULL;
179 #endif
180
181 /* Input-reading functions for messages, so we can use special ones for
182 incoming TCP/IP. The defaults use stdin. We never need these for any
183 stand-alone tests. */
184
185 #ifndef STAND_ALONE
186 int (*lwr_receive_getc)(unsigned) = stdin_getc;
187 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
188 int (*receive_getc)(unsigned) = stdin_getc;
189 void (*receive_get_cache)(void)= NULL;
190 int (*receive_ungetc)(int) = stdin_ungetc;
191 int (*receive_feof)(void) = stdin_feof;
192 int (*receive_ferror)(void) = stdin_ferror;
193 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
194 #endif
195
196
197 /* List of per-address expansion variables for clearing and saving/restoring
198 when verifying one address while routing/verifying another. We have to have
199 the size explicit, because it is referenced from more than one module. */
200
201 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
202 CUSS &deliver_address_data,
203 CUSS &deliver_domain,
204 CUSS &deliver_domain_data,
205 CUSS &deliver_domain_orig,
206 CUSS &deliver_domain_parent,
207 CUSS &deliver_localpart,
208 CUSS &deliver_localpart_data,
209 CUSS &deliver_localpart_orig,
210 CUSS &deliver_localpart_parent,
211 CUSS &deliver_localpart_prefix,
212 CUSS &deliver_localpart_suffix,
213 CUSS (uschar **)(&deliver_recipients),
214 CUSS &deliver_host,
215 CUSS &deliver_home,
216 CUSS &address_file,
217 CUSS &address_pipe,
218 CUSS &self_hostname,
219 NULL };
220
221 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
222
223 /* General global variables */
224
225 header_line *acl_added_headers = NULL;
226 tree_node *acl_anchor = NULL;
227 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
228 NULL, NULL, NULL, NULL};
229 int acl_narg = 0;
230
231 int acl_level = 0;
232
233 uschar *acl_not_smtp = NULL;
234 #ifdef WITH_CONTENT_SCAN
235 uschar *acl_not_smtp_mime = NULL;
236 #endif
237 uschar *acl_not_smtp_start = NULL;
238 uschar *acl_removed_headers = NULL;
239 uschar *acl_smtp_auth = NULL;
240 uschar *acl_smtp_connect = NULL;
241 uschar *acl_smtp_data = NULL;
242 #ifndef DISABLE_PRDR
243 uschar *acl_smtp_data_prdr = US"accept";
244 #endif
245 #ifndef DISABLE_DKIM
246 uschar *acl_smtp_dkim = NULL;
247 #endif
248 uschar *acl_smtp_etrn = NULL;
249 uschar *acl_smtp_expn = NULL;
250 uschar *acl_smtp_helo = NULL;
251 uschar *acl_smtp_mail = NULL;
252 uschar *acl_smtp_mailauth = NULL;
253 #ifdef WITH_CONTENT_SCAN
254 uschar *acl_smtp_mime = NULL;
255 #endif
256 uschar *acl_smtp_notquit = NULL;
257 uschar *acl_smtp_predata = NULL;
258 uschar *acl_smtp_quit = NULL;
259 uschar *acl_smtp_rcpt = NULL;
260 uschar *acl_smtp_starttls = NULL;
261 uschar *acl_smtp_vrfy = NULL;
262
263 BOOL acl_temp_details = FALSE;
264 tree_node *acl_var_c = NULL;
265 tree_node *acl_var_m = NULL;
266 uschar *acl_verify_message = NULL;
267 string_item *acl_warn_logged = NULL;
268
269 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
271
272 uschar *acl_wherenames[] = { US"RCPT",
273 US"MAIL",
274 US"PREDATA",
275 US"MIME",
276 US"DKIM",
277 US"DATA",
278 #ifndef DISABLE_PRDR
279 US"PRDR",
280 #endif
281 US"non-SMTP",
282 US"AUTH",
283 US"connection",
284 US"ETRN",
285 US"EXPN",
286 US"EHLO or HELO",
287 US"MAILAUTH",
288 US"non-SMTP-start",
289 US"NOTQUIT",
290 US"QUIT",
291 US"STARTTLS",
292 US"VRFY",
293 US"delivery",
294 US"unknown"
295 };
296
297 uschar *acl_wherecodes[] = { US"550", /* RCPT */
298 US"550", /* MAIL */
299 US"550", /* PREDATA */
300 US"550", /* MIME */
301 US"550", /* DKIM */
302 US"550", /* DATA */
303 #ifndef DISABLE_PRDR
304 US"550", /* RCPT PRDR */
305 #endif
306 US"0", /* not SMTP; not relevant */
307 US"503", /* AUTH */
308 US"550", /* connect */
309 US"458", /* ETRN */
310 US"550", /* EXPN */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
314 US"0", /* NOTQUIT; not relevant */
315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
317 US"252", /* VRFY */
318 US"0", /* delivery; not relevant */
319 US"0" /* unknown; not relevant */
320 };
321
322 BOOL active_local_from_check = FALSE;
323 BOOL active_local_sender_retain = FALSE;
324 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
325 uschar *add_environment = NULL;
326 address_item *addr_duplicate = NULL;
327
328 address_item address_defaults = {
329 NULL, /* next */
330 NULL, /* parent */
331 NULL, /* first */
332 NULL, /* dupof */
333 NULL, /* start_router */
334 NULL, /* router */
335 NULL, /* transport */
336 NULL, /* host_list */
337 NULL, /* host_used */
338 NULL, /* fallback_hosts */
339 NULL, /* reply */
340 NULL, /* retries */
341 NULL, /* address */
342 NULL, /* unique */
343 NULL, /* cc_local_part */
344 NULL, /* lc_local_part */
345 NULL, /* local_part */
346 NULL, /* prefix */
347 NULL, /* suffix */
348 NULL, /* domain */
349 NULL, /* address_retry_key */
350 NULL, /* domain_retry_key */
351 NULL, /* current_dir */
352 NULL, /* home_dir */
353 NULL, /* message */
354 NULL, /* user_message */
355 NULL, /* onetime_parent */
356 NULL, /* pipe_expandn */
357 NULL, /* return_filename */
358 NULL, /* self_hostname */
359 NULL, /* shadow_message */
360 #ifdef SUPPORT_TLS
361 NULL, /* cipher */
362 NULL, /* ourcert */
363 NULL, /* peercert */
364 NULL, /* peerdn */
365 OCSP_NOT_REQ, /* ocsp */
366 #endif
367 #ifdef EXPERIMENTAL_DSN_INFO
368 NULL, /* smtp_greeting */
369 NULL, /* helo_response */
370 #endif
371 NULL, /* authenticator */
372 NULL, /* auth_id */
373 NULL, /* auth_sndr */
374 NULL, /* dsn_orcpt */
375 0, /* dsn_flags */
376 0, /* dsn_aware */
377 (uid_t)(-1), /* uid */
378 (gid_t)(-1), /* gid */
379 0, /* flags */
380 { 0 }, /* domain_cache - any larger array should be zeroed */
381 { 0 }, /* localpart_cache - ditto */
382 -1, /* mode */
383 0, /* more_errno */
384 ERRNO_UNKNOWNERROR, /* basic_errno */
385 0, /* child_count */
386 -1, /* return_file */
387 SPECIAL_NONE, /* special_action */
388 DEFER, /* transport_return */
389 { /* fields that are propagated to children */
390 NULL, /* address_data */
391 NULL, /* domain_data */
392 NULL, /* localpart_data */
393 NULL, /* errors_address */
394 NULL, /* extra_headers */
395 NULL, /* remove_headers */
396 #ifdef EXPERIMENTAL_SRS
397 NULL, /* srs_sender */
398 #endif
399 #ifdef SUPPORT_I18N
400 FALSE, /* utf8 */
401 #endif
402 }
403 };
404
405 uschar *address_file = NULL;
406 uschar *address_pipe = NULL;
407 BOOL address_test_mode = FALSE;
408 tree_node *addresslist_anchor = NULL;
409 int addresslist_count = 0;
410 gid_t *admin_groups = NULL;
411 BOOL admin_user = FALSE;
412 BOOL allow_auth_unadvertised= FALSE;
413 BOOL allow_domain_literals = FALSE;
414 BOOL allow_mx_to_ip = FALSE;
415 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
416 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
417 BOOL allow_utf8_domains = FALSE;
418 uschar *authenticated_fail_id = NULL;
419 uschar *authenticated_id = NULL;
420 uschar *authenticated_sender = NULL;
421 BOOL authentication_failed = FALSE;
422 auth_instance *auths = NULL;
423 uschar *auth_advertise_hosts = US"*";
424 auth_instance auth_defaults = {
425 NULL, /* chain pointer */
426 NULL, /* name */
427 NULL, /* info */
428 NULL, /* private options block pointer */
429 NULL, /* driver_name */
430 NULL, /* advertise_condition */
431 NULL, /* client_condition */
432 NULL, /* public_name */
433 NULL, /* set_id */
434 NULL, /* set_client_id */
435 NULL, /* server_mail_auth_condition */
436 NULL, /* server_debug_string */
437 NULL, /* server_condition */
438 FALSE, /* client */
439 FALSE, /* server */
440 FALSE /* advertised */
441 };
442
443 uschar *auth_defer_msg = US"reason not recorded";
444 uschar *auth_defer_user_msg = US"";
445 uschar *auth_vars[AUTH_VARS];
446 int auto_thaw = 0;
447 #ifdef WITH_CONTENT_SCAN
448 BOOL av_failed = FALSE;
449 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
450 #endif
451
452 BOOL background_daemon = TRUE;
453
454 #if BASE_62 == 62
455 uschar *base62_chars=
456 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
457 #else
458 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
459 #endif
460
461 uschar *bi_command = NULL;
462 uschar *big_buffer = NULL;
463 int big_buffer_size = BIG_BUFFER_SIZE;
464 #ifdef EXPERIMENTAL_BRIGHTMAIL
465 uschar *bmi_alt_location = NULL;
466 uschar *bmi_base64_tracker_verdict = NULL;
467 uschar *bmi_base64_verdict = NULL;
468 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
469 int bmi_deliver = 1;
470 int bmi_run = 0;
471 uschar *bmi_verdicts = NULL;
472 #endif
473 int bsmtp_transaction_linecount = 0;
474 int body_8bitmime = 0;
475 int body_linecount = 0;
476 int body_zerocount = 0;
477 uschar *bounce_message_file = NULL;
478 uschar *bounce_message_text = NULL;
479 uschar *bounce_recipient = NULL;
480 BOOL bounce_return_body = TRUE;
481 int bounce_return_linesize_limit = 998;
482 BOOL bounce_return_message = TRUE;
483 int bounce_return_size_limit = 100*1024;
484 uschar *bounce_sender_authentication = NULL;
485 uschar *builtin_macros_create_trigger = NULL;
486
487 uschar *callout_address = NULL;
488 int callout_cache_domain_positive_expire = 7*24*60*60;
489 int callout_cache_domain_negative_expire = 3*60*60;
490 int callout_cache_positive_expire = 24*60*60;
491 int callout_cache_negative_expire = 2*60*60;
492 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
493 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
494 int check_log_inodes = 100;
495 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
496 BOOL check_rfc2047_length = TRUE;
497 int check_spool_inodes = 100;
498 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
499
500 uschar *chunking_advertise_hosts = US"*";
501 unsigned chunking_datasize = 0;
502 unsigned chunking_data_left = 0;
503 BOOL chunking_offered = FALSE;
504 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
505 const pcre *regex_CHUNKING = NULL;
506
507 uschar *client_authenticator = NULL;
508 uschar *client_authenticated_id = NULL;
509 uschar *client_authenticated_sender = NULL;
510 int clmacro_count = 0;
511 uschar *clmacros[MAX_CLMACROS];
512 BOOL config_changed = FALSE;
513 FILE *config_file = NULL;
514 const uschar *config_filename = NULL;
515 int config_lineno = 0;
516 #ifdef CONFIGURE_GROUP
517 gid_t config_gid = CONFIGURE_GROUP;
518 #else
519 gid_t config_gid = 0;
520 #endif
521 uschar *config_main_filelist = US CONFIGURE_FILE
522 "\0<-----------Space to patch configure_filename->";
523 uschar *config_main_filename = NULL;
524 uschar *config_main_directory = NULL;
525
526 #ifdef CONFIGURE_OWNER
527 uid_t config_uid = CONFIGURE_OWNER;
528 #else
529 uid_t config_uid = 0;
530 #endif
531
532 int connection_max_messages= -1;
533 uschar *continue_proxy_cipher = NULL;
534 uschar *continue_hostname = NULL;
535 uschar *continue_host_address = NULL;
536 BOOL continue_more = FALSE;
537 int continue_sequence = 1;
538 uschar *continue_transport = NULL;
539
540 uschar *csa_status = NULL;
541 cut_t cutthrough = {
542 FALSE, /* verify-only: normal delivery */
543 FALSE, /* delivery: when to attempt */
544 FALSE, /* on defer: spool locally */
545 FALSE, /* not a TLS conn yet */
546 -1, /* fd: open connection */
547 0, /* nrcpt: number of addresses */
548 };
549
550 BOOL daemon_listen = FALSE;
551 uschar *daemon_smtp_port = US"smtp";
552 int daemon_startup_retries = 9;
553 int daemon_startup_sleep = 30;
554
555 #ifdef EXPERIMENTAL_DCC
556 BOOL dcc_direct_add_header = FALSE;
557 uschar *dcc_header = NULL;
558 uschar *dcc_result = NULL;
559 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
560 uschar *dccifd_options = US"header";
561 #endif
562
563 BOOL debug_daemon = FALSE;
564 int debug_fd = -1;
565 FILE *debug_file = NULL;
566 int debug_notall[] = {
567 Di_memory,
568 -1
569 };
570 bit_table debug_options[] = { /* must be in alphabetical order */
571 BIT_TABLE(D, acl),
572 BIT_TABLE(D, all),
573 BIT_TABLE(D, auth),
574 BIT_TABLE(D, deliver),
575 BIT_TABLE(D, dns),
576 BIT_TABLE(D, dnsbl),
577 BIT_TABLE(D, exec),
578 BIT_TABLE(D, expand),
579 BIT_TABLE(D, filter),
580 BIT_TABLE(D, hints_lookup),
581 BIT_TABLE(D, host_lookup),
582 BIT_TABLE(D, ident),
583 BIT_TABLE(D, interface),
584 BIT_TABLE(D, lists),
585 BIT_TABLE(D, load),
586 BIT_TABLE(D, local_scan),
587 BIT_TABLE(D, lookup),
588 BIT_TABLE(D, memory),
589 BIT_TABLE(D, pid),
590 BIT_TABLE(D, process_info),
591 BIT_TABLE(D, queue_run),
592 BIT_TABLE(D, receive),
593 BIT_TABLE(D, resolver),
594 BIT_TABLE(D, retry),
595 BIT_TABLE(D, rewrite),
596 BIT_TABLE(D, route),
597 BIT_TABLE(D, timestamp),
598 BIT_TABLE(D, tls),
599 BIT_TABLE(D, transport),
600 BIT_TABLE(D, uid),
601 BIT_TABLE(D, verify),
602 };
603 int debug_options_count = nelem(debug_options);
604
605 unsigned int debug_selector = 0;
606 BOOL debug_store = FALSE;
607 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
608 uschar *delay_warning_condition=
609 US"${if or {"
610 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
611 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
612 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
613 "} {no}{yes}}";
614 BOOL delivery_date_remove = TRUE;
615 uschar *deliver_address_data = NULL;
616 int deliver_datafile = -1;
617 const uschar *deliver_domain = NULL;
618 uschar *deliver_domain_data = NULL;
619 const uschar *deliver_domain_orig = NULL;
620 const uschar *deliver_domain_parent = NULL;
621 BOOL deliver_drop_privilege = FALSE;
622 BOOL deliver_firsttime = FALSE;
623 BOOL deliver_force = FALSE;
624 BOOL deliver_freeze = FALSE;
625 time_t deliver_frozen_at = 0;
626 uschar *deliver_home = NULL;
627 const uschar *deliver_host = NULL;
628 const uschar *deliver_host_address = NULL;
629 int deliver_host_port = 0;
630 uschar *deliver_in_buffer = NULL;
631 ino_t deliver_inode = 0;
632 uschar *deliver_localpart = NULL;
633 uschar *deliver_localpart_data = NULL;
634 uschar *deliver_localpart_orig = NULL;
635 uschar *deliver_localpart_parent = NULL;
636 uschar *deliver_localpart_prefix = NULL;
637 uschar *deliver_localpart_suffix = NULL;
638 BOOL deliver_force_thaw = FALSE;
639 BOOL deliver_manual_thaw = FALSE;
640 uschar *deliver_out_buffer = NULL;
641 int deliver_queue_load_max = -1;
642 address_item *deliver_recipients = NULL;
643 uschar *deliver_selectstring = NULL;
644 BOOL deliver_selectstring_regex = FALSE;
645 uschar *deliver_selectstring_sender = NULL;
646 BOOL deliver_selectstring_sender_regex = FALSE;
647 BOOL disable_callout_flush = FALSE;
648 BOOL disable_delay_flush = FALSE;
649 #ifdef ENABLE_DISABLE_FSYNC
650 BOOL disable_fsync = FALSE;
651 #endif
652 BOOL disable_ipv6 = FALSE;
653 BOOL disable_logging = FALSE;
654
655 #ifndef DISABLE_DKIM
656 BOOL dkim_collect_input = FALSE;
657 uschar *dkim_cur_signer = NULL;
658 BOOL dkim_disable_verify = FALSE;
659 int dkim_key_length = 0;
660 uschar *dkim_signers = NULL;
661 uschar *dkim_signing_domain = NULL;
662 uschar *dkim_signing_selector = NULL;
663 uschar *dkim_verify_signers = US"$dkim_signers";
664 #endif
665 #ifdef EXPERIMENTAL_DMARC
666 BOOL dmarc_has_been_checked = FALSE;
667 uschar *dmarc_ar_header = NULL;
668 uschar *dmarc_domain_policy = NULL;
669 uschar *dmarc_forensic_sender = NULL;
670 uschar *dmarc_history_file = NULL;
671 uschar *dmarc_status = NULL;
672 uschar *dmarc_status_text = NULL;
673 uschar *dmarc_tld_file = NULL;
674 uschar *dmarc_used_domain = NULL;
675 BOOL dmarc_disable_verify = FALSE;
676 BOOL dmarc_enable_forensic = FALSE;
677 #endif
678
679 uschar *dns_again_means_nonexist = NULL;
680 int dns_csa_search_limit = 5;
681 BOOL dns_csa_use_reverse = TRUE;
682 #ifdef EXPERIMENTAL_DANE
683 int dns_dane_ok = -1;
684 #endif
685 uschar *dns_ipv4_lookup = NULL;
686 int dns_retrans = 0;
687 int dns_retry = 0;
688 int dns_dnssec_ok = -1; /* <0 = not coerced */
689 uschar *dns_trust_aa = NULL;
690 int dns_use_edns0 = -1; /* <0 = not coerced */
691 uschar *dnslist_domain = NULL;
692 uschar *dnslist_matched = NULL;
693 uschar *dnslist_text = NULL;
694 uschar *dnslist_value = NULL;
695 tree_node *domainlist_anchor = NULL;
696 int domainlist_count = 0;
697 BOOL dont_deliver = FALSE;
698 BOOL dot_ends = TRUE;
699 BOOL drop_cr = FALSE; /* No longer used */
700 uschar *dsn_from = US DEFAULT_DSN_FROM;
701
702 BOOL enable_dollar_recipients = FALSE;
703 BOOL envelope_to_remove = TRUE;
704 int errno_quota = ERRNO_QUOTA;
705 uschar *errors_copy = NULL;
706 int error_handling = ERRORS_SENDER;
707 uschar *errors_reply_to = NULL;
708 int errors_sender_rc = EXIT_FAILURE;
709 #ifndef DISABLE_EVENT
710 uschar *event_action = NULL; /* expansion for delivery events */
711 uschar *event_data = NULL; /* auxiliary data variable for event */
712 int event_defer_errno = 0;
713 const uschar *event_name = NULL; /* event name variable */
714 #endif
715
716
717 gid_t exim_gid = EXIM_GID;
718 BOOL exim_gid_set = TRUE; /* This gid is always set */
719 uschar *exim_path = US BIN_DIRECTORY "/exim"
720 "\0<---------------Space to patch exim_path->";
721 uid_t exim_uid = EXIM_UID;
722 BOOL exim_uid_set = TRUE; /* This uid is always set */
723 int expand_level = 0; /* Nesting depth, indent for debug */
724 int expand_forbid = 0;
725 int expand_nlength[EXPAND_MAXN+1];
726 int expand_nmax = -1;
727 uschar *expand_nstring[EXPAND_MAXN+1];
728 BOOL expand_string_forcedfail = FALSE;
729 uschar *expand_string_message;
730 BOOL extract_addresses_remove_arguments = TRUE;
731 uschar *extra_local_interfaces = NULL;
732
733 int fake_response = OK;
734 uschar *fake_response_text = US"Your message has been rejected but is "
735 "being kept for evaluation.\nIf it was a "
736 "legitimate message, it may still be "
737 "delivered to the target recipient(s).";
738 int filter_n[FILTER_VARIABLE_COUNT];
739 BOOL filter_running = FALSE;
740 int filter_sn[FILTER_VARIABLE_COUNT];
741 int filter_test = FTEST_NONE;
742 uschar *filter_test_sfile = NULL;
743 uschar *filter_test_ufile = NULL;
744 uschar *filter_thisaddress = NULL;
745 int finduser_retries = 0;
746 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
747 uschar *freeze_tell = NULL;
748 uschar *freeze_tell_config = NULL;
749 uschar *fudged_queue_times = US"";
750
751 uschar *gecos_name = NULL;
752 uschar *gecos_pattern = NULL;
753 rewrite_rule *global_rewrite_rules = NULL;
754
755 uschar *headers_charset = US HEADERS_CHARSET;
756 int header_insert_maxlen = 64 * 1024;
757 header_line *header_last = NULL;
758 header_line *header_list = NULL;
759 int header_maxsize = HEADER_MAXSIZE;
760 int header_line_maxsize = 0;
761
762 header_name header_names[] = {
763 { US"bcc", 3, TRUE, htype_bcc },
764 { US"cc", 2, TRUE, htype_cc },
765 { US"date", 4, TRUE, htype_date },
766 { US"delivery-date", 13, FALSE, htype_delivery_date },
767 { US"envelope-to", 11, FALSE, htype_envelope_to },
768 { US"from", 4, TRUE, htype_from },
769 { US"message-id", 10, TRUE, htype_id },
770 { US"received", 8, FALSE, htype_received },
771 { US"reply-to", 8, FALSE, htype_reply_to },
772 { US"return-path", 11, FALSE, htype_return_path },
773 { US"sender", 6, TRUE, htype_sender },
774 { US"subject", 7, FALSE, htype_subject },
775 { US"to", 2, TRUE, htype_to }
776 };
777
778 int header_names_size = sizeof(header_names)/sizeof(header_name);
779
780 BOOL header_rewritten = FALSE;
781 uschar *helo_accept_junk_hosts = NULL;
782 uschar *helo_allow_chars = US"";
783 uschar *helo_lookup_domains = US"@ : @[]";
784 uschar *helo_try_verify_hosts = NULL;
785 BOOL helo_verified = FALSE;
786 BOOL helo_verify_failed = FALSE;
787 uschar *helo_verify_hosts = NULL;
788 const uschar *hex_digits = CUS"0123456789abcdef";
789 uschar *hold_domains = NULL;
790 BOOL host_checking = FALSE;
791 BOOL host_checking_callout = FALSE;
792 uschar *host_data = NULL;
793 BOOL host_find_failed_syntax= FALSE;
794 uschar *host_lookup = NULL;
795 BOOL host_lookup_deferred = FALSE;
796 BOOL host_lookup_failed = FALSE;
797 uschar *host_lookup_order = US"bydns:byaddr";
798 uschar *host_lookup_msg = US"";
799 int host_number = 0;
800 uschar *host_number_string = NULL;
801 uschar *host_reject_connection = NULL;
802 tree_node *hostlist_anchor = NULL;
803 int hostlist_count = 0;
804 uschar *hosts_treat_as_local = NULL;
805 uschar *hosts_connection_nolog = NULL;
806
807 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
808 BOOL ignore_fromline_local = FALSE;
809 uschar *ignore_fromline_hosts = NULL;
810 BOOL inetd_wait_mode = FALSE;
811 int inetd_wait_timeout = -1;
812 uschar *initial_cwd = NULL;
813 uschar *interface_address = NULL;
814 int interface_port = -1;
815 BOOL is_inetd = FALSE;
816 uschar *iterate_item = NULL;
817
818 int journal_fd = -1;
819
820 uschar *keep_environment = NULL;
821
822 int keep_malformed = 4*24*60*60; /* 4 days */
823
824 uschar *eldap_dn = NULL;
825 int load_average = -2;
826 BOOL local_error_message = FALSE;
827 BOOL local_from_check = TRUE;
828 uschar *local_from_prefix = NULL;
829 uschar *local_from_suffix = NULL;
830
831 #if HAVE_IPV6
832 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
833 #else
834 uschar *local_interfaces = US"0.0.0.0";
835 #endif
836
837 uschar *local_scan_data = NULL;
838 int local_scan_timeout = 5*60;
839 BOOL local_sender_retain = FALSE;
840 gid_t local_user_gid = (gid_t)(-1);
841 uid_t local_user_uid = (uid_t)(-1);
842
843 tree_node *localpartlist_anchor= NULL;
844 int localpartlist_count = 0;
845 uschar *log_buffer = NULL;
846
847 int log_default[] = { /* for initializing log_selector */
848 Li_acl_warn_skipped,
849 Li_connection_reject,
850 Li_delay_delivery,
851 Li_dnslist_defer,
852 Li_etrn,
853 Li_host_lookup_failed,
854 Li_lost_incoming_connection,
855 Li_outgoing_interface, /* see d_log_interface in deliver.c */
856 Li_queue_run,
857 Li_rejected_header,
858 Li_retry_defer,
859 Li_sender_verify_fail,
860 Li_size_reject,
861 Li_skip_delivery,
862 Li_smtp_confirmation,
863 Li_tls_certificate_verified,
864 Li_tls_cipher,
865 -1
866 };
867
868 uschar *log_file_path = US LOG_FILE_PATH
869 "\0<--------------Space to patch log_file_path->";
870
871 int log_notall[] = {
872 -1
873 };
874 bit_table log_options[] = { /* must be in alphabetical order */
875 BIT_TABLE(L, 8bitmime),
876 BIT_TABLE(L, acl_warn_skipped),
877 BIT_TABLE(L, address_rewrite),
878 BIT_TABLE(L, all),
879 BIT_TABLE(L, all_parents),
880 BIT_TABLE(L, arguments),
881 BIT_TABLE(L, connection_reject),
882 BIT_TABLE(L, delay_delivery),
883 BIT_TABLE(L, deliver_time),
884 BIT_TABLE(L, delivery_size),
885 BIT_TABLE(L, dnslist_defer),
886 BIT_TABLE(L, dnssec),
887 BIT_TABLE(L, etrn),
888 BIT_TABLE(L, host_lookup_failed),
889 BIT_TABLE(L, ident_timeout),
890 BIT_TABLE(L, incoming_interface),
891 BIT_TABLE(L, incoming_port),
892 BIT_TABLE(L, lost_incoming_connection),
893 BIT_TABLE(L, outgoing_interface),
894 BIT_TABLE(L, outgoing_port),
895 BIT_TABLE(L, pid),
896 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
897 BIT_TABLE(L, proxy),
898 #endif
899 BIT_TABLE(L, queue_run),
900 BIT_TABLE(L, queue_time),
901 BIT_TABLE(L, queue_time_overall),
902 BIT_TABLE(L, received_recipients),
903 BIT_TABLE(L, received_sender),
904 BIT_TABLE(L, rejected_header),
905 { US"rejected_headers", Li_rejected_header },
906 BIT_TABLE(L, retry_defer),
907 BIT_TABLE(L, return_path_on_delivery),
908 BIT_TABLE(L, sender_on_delivery),
909 BIT_TABLE(L, sender_verify_fail),
910 BIT_TABLE(L, size_reject),
911 BIT_TABLE(L, skip_delivery),
912 BIT_TABLE(L, smtp_confirmation),
913 BIT_TABLE(L, smtp_connection),
914 BIT_TABLE(L, smtp_incomplete_transaction),
915 BIT_TABLE(L, smtp_mailauth),
916 BIT_TABLE(L, smtp_no_mail),
917 BIT_TABLE(L, smtp_protocol_error),
918 BIT_TABLE(L, smtp_syntax_error),
919 BIT_TABLE(L, subject),
920 BIT_TABLE(L, tls_certificate_verified),
921 BIT_TABLE(L, tls_cipher),
922 BIT_TABLE(L, tls_peerdn),
923 BIT_TABLE(L, tls_sni),
924 BIT_TABLE(L, unknown_in_list),
925 };
926 int log_options_count = nelem(log_options);
927
928 int log_reject_target = 0;
929 unsigned int log_selector[log_selector_size]; /* initialized in main() */
930 uschar *log_selector_string = NULL;
931 FILE *log_stderr = NULL;
932 BOOL log_testing_mode = FALSE;
933 BOOL log_timezone = FALSE;
934 uschar *login_sender_address = NULL;
935 uschar *lookup_dnssec_authenticated = NULL;
936 int lookup_open_max = 25;
937 uschar *lookup_value = NULL;
938
939 macro_item *macros = NULL;
940 macro_item *mlast = NULL;
941 BOOL macros_builtin_created = FALSE;
942 uschar *mailstore_basename = NULL;
943 #ifdef WITH_CONTENT_SCAN
944 uschar *malware_name = NULL; /* Virus Name */
945 #endif
946 int max_received_linelength= 0;
947 int max_username_length = 0;
948 int message_age = 0;
949 uschar *message_body = NULL;
950 uschar *message_body_end = NULL;
951 BOOL message_body_newlines = FALSE;
952 int message_body_size = 0;
953 int message_body_visible = 500;
954 int message_ended = END_NOTSTARTED;
955 uschar *message_headers = NULL;
956 uschar *message_id;
957 uschar *message_id_domain = NULL;
958 uschar *message_id_text = NULL;
959 struct timeval message_id_tv = { 0, 0 };
960 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
961 uschar *message_id_external;
962 int message_linecount = 0;
963 BOOL message_logs = TRUE;
964 int message_size = 0;
965 uschar *message_size_limit = US"50M";
966 #ifdef SUPPORT_I18N
967 BOOL message_smtputf8 = FALSE;
968 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
969 #endif
970 uschar message_subdir[2] = { 0, 0 };
971 uschar *message_reference = NULL;
972
973 /* MIME ACL expandables */
974 #ifdef WITH_CONTENT_SCAN
975 int mime_anomaly_level = 0;
976 const uschar *mime_anomaly_text = NULL;
977 uschar *mime_boundary = NULL;
978 uschar *mime_charset = NULL;
979 uschar *mime_content_description = NULL;
980 uschar *mime_content_disposition = NULL;
981 uschar *mime_content_id = NULL;
982 unsigned int mime_content_size = 0;
983 uschar *mime_content_transfer_encoding = NULL;
984 uschar *mime_content_type = NULL;
985 uschar *mime_decoded_filename = NULL;
986 uschar *mime_filename = NULL;
987 int mime_is_multipart = 0;
988 int mime_is_coverletter = 0;
989 int mime_is_rfc822 = 0;
990 int mime_part_count = -1;
991 #endif
992
993 BOOL mua_wrapper = FALSE;
994
995 uid_t *never_users = NULL;
996 #ifdef WITH_CONTENT_SCAN
997 BOOL no_mbox_unspool = FALSE;
998 #endif
999 BOOL no_multiline_responses = FALSE;
1000
1001 const int on = 1; /* for setsockopt */
1002 const int off = 0;
1003
1004 uid_t original_euid;
1005 gid_t originator_gid;
1006 uschar *originator_login = NULL;
1007 uschar *originator_name = NULL;
1008 uid_t originator_uid;
1009 uschar *override_local_interfaces = NULL;
1010 uschar *override_pid_file_path = NULL;
1011
1012 BOOL parse_allow_group = FALSE;
1013 BOOL parse_found_group = FALSE;
1014 uschar *percent_hack_domains = NULL;
1015 uschar *pid_file_path = US PID_FILE_PATH
1016 "\0<--------------Space to patch pid_file_path->";
1017 BOOL pipelining_enable = TRUE;
1018 uschar *pipelining_advertise_hosts = US"*";
1019 BOOL preserve_message_logs = FALSE;
1020 uschar *primary_hostname = NULL;
1021 BOOL print_topbitchars = FALSE;
1022 uschar process_info[PROCESS_INFO_SIZE];
1023 int process_info_len = 0;
1024 uschar *process_log_path = NULL;
1025 BOOL prod_requires_admin = TRUE;
1026
1027 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1028 uschar *hosts_proxy = US"";
1029 uschar *proxy_external_address = US"";
1030 int proxy_external_port = 0;
1031 uschar *proxy_local_address = US"";
1032 int proxy_local_port = 0;
1033 BOOL proxy_session = FALSE;
1034 BOOL proxy_session_failed = FALSE;
1035 #endif
1036
1037 uschar *prvscheck_address = NULL;
1038 uschar *prvscheck_keynum = NULL;
1039 uschar *prvscheck_result = NULL;
1040
1041
1042 const uschar *qualify_domain_recipient = NULL;
1043 uschar *qualify_domain_sender = NULL;
1044 BOOL queue_2stage = FALSE;
1045 uschar *queue_domains = NULL;
1046 int queue_interval = -1;
1047 BOOL queue_list_requires_admin = TRUE;
1048 uschar *queue_name = US"";
1049 BOOL queue_only = FALSE;
1050 uschar *queue_only_file = NULL;
1051 int queue_only_load = -1;
1052 BOOL queue_only_load_latch = TRUE;
1053 BOOL queue_only_override = TRUE;
1054 BOOL queue_only_policy = FALSE;
1055 BOOL queue_run_first_delivery = FALSE;
1056 BOOL queue_run_force = FALSE;
1057 BOOL queue_run_in_order = FALSE;
1058 BOOL queue_run_local = FALSE;
1059 uschar *queue_run_max = US"5";
1060 pid_t queue_run_pid = (pid_t)0;
1061 int queue_run_pipe = -1;
1062 BOOL queue_running = FALSE;
1063 BOOL queue_smtp = FALSE;
1064 uschar *queue_smtp_domains = NULL;
1065
1066 unsigned int random_seed = 0;
1067 tree_node *ratelimiters_cmd = NULL;
1068 tree_node *ratelimiters_conn = NULL;
1069 tree_node *ratelimiters_mail = NULL;
1070 uschar *raw_active_hostname = NULL;
1071 uschar *raw_sender = NULL;
1072 uschar **raw_recipients = NULL;
1073 int raw_recipients_count = 0;
1074
1075 int rcpt_count = 0;
1076 int rcpt_fail_count = 0;
1077 int rcpt_defer_count = 0;
1078 gid_t real_gid;
1079 uid_t real_uid;
1080 BOOL really_exim = TRUE;
1081 BOOL receive_call_bombout = FALSE;
1082 int receive_linecount = 0;
1083 int receive_messagecount = 0;
1084 int receive_timeout = 0;
1085 int received_count = 0;
1086 uschar *received_for = NULL;
1087
1088 /* This is the default text for Received headers generated by Exim. The
1089 date will be automatically added on the end. */
1090
1091 uschar *received_header_text = US
1092 "Received: "
1093 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1094 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1095 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1096 "by $primary_hostname "
1097 "${if def:received_protocol {with $received_protocol}} "
1098 #ifdef SUPPORT_TLS
1099 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1100 #endif
1101 "(Exim $version_number)\n\t"
1102 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1103 "id $message_exim_id"
1104 "${if def:received_for {\n\tfor $received_for}}"
1105 "\0<---------------Space to patch received_header_text->";
1106
1107 int received_headers_max = 30;
1108 uschar *received_protocol = NULL;
1109 int received_time = 0;
1110 uschar *recipient_data = NULL;
1111 uschar *recipient_unqualified_hosts = NULL;
1112 uschar *recipient_verify_failure = NULL;
1113 int recipients_count = 0;
1114 BOOL recipients_discarded = FALSE;
1115 recipient_item *recipients_list = NULL;
1116 int recipients_list_max = 0;
1117 int recipients_max = 0;
1118 BOOL recipients_max_reject = FALSE;
1119 const pcre *regex_AUTH = NULL;
1120 const pcre *regex_check_dns_names = NULL;
1121 const pcre *regex_From = NULL;
1122 const pcre *regex_IGNOREQUOTA = NULL;
1123 const pcre *regex_PIPELINING = NULL;
1124 const pcre *regex_SIZE = NULL;
1125 const pcre *regex_ismsgid = NULL;
1126 const pcre *regex_smtp_code = NULL;
1127 uschar *regex_vars[REGEX_VARS];
1128 #ifdef WHITELIST_D_MACROS
1129 const pcre *regex_whitelisted_macro = NULL;
1130 #endif
1131 #ifdef WITH_CONTENT_SCAN
1132 uschar *regex_match_string = NULL;
1133 #endif
1134 int remote_delivery_count = 0;
1135 int remote_max_parallel = 2;
1136 uschar *remote_sort_domains = NULL;
1137 int retry_data_expire = 7*24*60*60;
1138 int retry_interval_max = 24*60*60;
1139 int retry_maximum_timeout = 0; /* set from retry config */
1140 retry_config *retries = NULL;
1141 uschar *return_path = NULL;
1142 BOOL return_path_remove = TRUE;
1143 int rewrite_existflags = 0;
1144 uschar *rfc1413_hosts = US"@[]";
1145 int rfc1413_query_timeout = 0;
1146 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1147 uid_t root_gid = ROOT_GID;
1148 uid_t root_uid = ROOT_UID;
1149
1150 router_instance *routers = NULL;
1151 router_instance router_defaults = {
1152 NULL, /* chain pointer */
1153 NULL, /* name */
1154 NULL, /* info */
1155 NULL, /* private options block pointer */
1156 NULL, /* driver name */
1157
1158 NULL, /* address_data */
1159 #ifdef EXPERIMENTAL_BRIGHTMAIL
1160 NULL, /* bmi_rule */
1161 #endif
1162 NULL, /* cannot_route_message */
1163 NULL, /* condition */
1164 NULL, /* current_directory */
1165 NULL, /* debug_string */
1166 NULL, /* domains */
1167 NULL, /* errors_to */
1168 NULL, /* expand_gid */
1169 NULL, /* expand_uid */
1170 NULL, /* expand_more */
1171 NULL, /* expand_unseen */
1172 NULL, /* extra_headers */
1173 NULL, /* fallback_hosts */
1174 NULL, /* home_directory */
1175 NULL, /* ignore_target_hosts */
1176 NULL, /* local_parts */
1177 NULL, /* pass_router_name */
1178 NULL, /* prefix */
1179 NULL, /* redirect_router_name */
1180 NULL, /* remove_headers */
1181 NULL, /* require_files */
1182 NULL, /* router_home_directory */
1183 US"freeze", /* self */
1184 NULL, /* senders */
1185 NULL, /* suffix */
1186 NULL, /* translate_ip_address */
1187 NULL, /* transport_name */
1188
1189 TRUE, /* address_test */
1190 #ifdef EXPERIMENTAL_BRIGHTMAIL
1191 FALSE, /* bmi_deliver_alternate */
1192 FALSE, /* bmi_deliver_default */
1193 FALSE, /* bmi_dont_deliver */
1194 #endif
1195 TRUE, /* expn */
1196 FALSE, /* caseful_local_part */
1197 FALSE, /* check_local_user */
1198 FALSE, /* disable_logging */
1199 FALSE, /* fail_verify_recipient */
1200 FALSE, /* fail_verify_sender */
1201 FALSE, /* gid_set */
1202 FALSE, /* initgroups */
1203 TRUE_UNSET, /* log_as_local */
1204 TRUE, /* more */
1205 FALSE, /* pass_on_timeout */
1206 FALSE, /* prefix_optional */
1207 TRUE, /* repeat_use */
1208 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1209 FALSE, /* same_domain_copy_routing */
1210 FALSE, /* self_rewrite */
1211 FALSE, /* suffix_optional */
1212 FALSE, /* verify_only */
1213 TRUE, /* verify_recipient */
1214 TRUE, /* verify_sender */
1215 FALSE, /* uid_set */
1216 FALSE, /* unseen */
1217 FALSE, /* dsn_lasthop */
1218
1219 self_freeze, /* self_code */
1220 (uid_t)(-1), /* uid */
1221 (gid_t)(-1), /* gid */
1222
1223 NULL, /* fallback_hostlist */
1224 NULL, /* transport instance */
1225 NULL, /* pass_router */
1226 NULL, /* redirect_router */
1227
1228 { NULL, NULL }, /* dnssec_domains {require,request} */
1229 };
1230
1231 uschar *router_name = NULL;
1232
1233 ip_address_item *running_interfaces = NULL;
1234 BOOL running_in_test_harness = FALSE;
1235
1236 /* This is a weird one. The following string gets patched in the binary by the
1237 script that sets up a copy of Exim for running in the test harness. It seems
1238 that compilers are now clever, and share constant strings if they can.
1239 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1240 make use of the end of this string in order to save space. So the patching then
1241 wrecks this. We defeat this optimization by adding some additional characters
1242 onto the end of the string. */
1243
1244 uschar *running_status = US">>>running<<<" "\0EXTRA";
1245
1246 int runrc = 0;
1247
1248 uschar *search_error_message = NULL;
1249 BOOL search_find_defer = FALSE;
1250 uschar *self_hostname = NULL;
1251 uschar *sender_address = NULL;
1252 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1253 uschar *sender_address_data = NULL;
1254 BOOL sender_address_forced = FALSE;
1255 uschar *sender_address_unrewritten = NULL;
1256 uschar *sender_data = NULL;
1257 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1258 uschar *sender_fullhost = NULL;
1259 BOOL sender_helo_dnssec = FALSE;
1260 uschar *sender_helo_name = NULL;
1261 uschar **sender_host_aliases = &no_aliases;
1262 uschar *sender_host_address = NULL;
1263 uschar *sender_host_authenticated = NULL;
1264 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1265 BOOL sender_host_dnssec = FALSE;
1266 uschar *sender_host_name = NULL;
1267 int sender_host_port = 0;
1268 BOOL sender_host_notsocket = FALSE;
1269 BOOL sender_host_unknown = FALSE;
1270 uschar *sender_ident = NULL;
1271 BOOL sender_local = FALSE;
1272 BOOL sender_name_forced = FALSE;
1273 uschar *sender_rate = NULL;
1274 uschar *sender_rate_limit = NULL;
1275 uschar *sender_rate_period = NULL;
1276 uschar *sender_rcvhost = NULL;
1277 BOOL sender_set_untrusted = FALSE;
1278 uschar *sender_unqualified_hosts = NULL;
1279 uschar *sender_verify_failure = NULL;
1280 address_item *sender_verified_list = NULL;
1281 address_item *sender_verified_failed = NULL;
1282 int sender_verified_rc = -1;
1283 BOOL sender_verified_responded = FALSE;
1284 uschar *sending_ip_address = NULL;
1285 int sending_port = -1;
1286 SIGNAL_BOOL sigalrm_seen = FALSE;
1287 uschar **sighup_argv = NULL;
1288 int slow_lookup_log = 0; /* millisecs, zero disables */
1289 int smtp_accept_count = 0;
1290 BOOL smtp_accept_keepalive = TRUE;
1291 int smtp_accept_max = 20;
1292 int smtp_accept_max_nonmail= 10;
1293 uschar *smtp_accept_max_nonmail_hosts = US"*";
1294 int smtp_accept_max_per_connection = 1000;
1295 uschar *smtp_accept_max_per_host = NULL;
1296 int smtp_accept_queue = 0;
1297 int smtp_accept_queue_per_connection = 10;
1298 int smtp_accept_reserve = 0;
1299 uschar *smtp_active_hostname = NULL;
1300 BOOL smtp_authenticated = FALSE;
1301 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1302 "Exim $version_number $tod_full"
1303 "\0<---------------Space to patch smtp_banner->";
1304 BOOL smtp_batched_input = FALSE;
1305 BOOL smtp_check_spool_space = TRUE;
1306 int smtp_ch_index = 0;
1307 uschar *smtp_cmd_argument = NULL;
1308 uschar *smtp_cmd_buffer = NULL;
1309 time_t smtp_connection_start = 0;
1310 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1311 int smtp_connect_backlog = 20;
1312 double smtp_delay_mail = 0.0;
1313 double smtp_delay_rcpt = 0.0;
1314 BOOL smtp_enforce_sync = TRUE;
1315 FILE *smtp_in = NULL;
1316 BOOL smtp_input = FALSE;
1317 int smtp_load_reserve = -1;
1318 int smtp_mailcmd_count = 0;
1319 FILE *smtp_out = NULL;
1320 uschar *smtp_etrn_command = NULL;
1321 BOOL smtp_etrn_serialize = TRUE;
1322 int smtp_max_synprot_errors= 3;
1323 int smtp_max_unknown_commands = 3;
1324 uschar *smtp_notquit_reason = NULL;
1325 uschar *smtp_ratelimit_hosts = NULL;
1326 uschar *smtp_ratelimit_mail = NULL;
1327 uschar *smtp_ratelimit_rcpt = NULL;
1328 uschar *smtp_read_error = US"";
1329 int smtp_receive_timeout = 5*60;
1330 uschar *smtp_receive_timeout_s = NULL;
1331 uschar *smtp_reserve_hosts = NULL;
1332 BOOL smtp_return_error_details = FALSE;
1333 int smtp_rlm_base = 0;
1334 double smtp_rlm_factor = 0.0;
1335 int smtp_rlm_limit = 0;
1336 int smtp_rlm_threshold = INT_MAX;
1337 int smtp_rlr_base = 0;
1338 double smtp_rlr_factor = 0.0;
1339 int smtp_rlr_limit = 0;
1340 int smtp_rlr_threshold = INT_MAX;
1341 unsigned smtp_peer_options = 0;
1342 unsigned smtp_peer_options_wrap= 0;
1343 #ifdef SUPPORT_I18N
1344 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1345 #endif
1346
1347 #ifdef WITH_CONTENT_SCAN
1348 uschar *spamd_address = US"127.0.0.1 783";
1349 uschar *spam_bar = NULL;
1350 uschar *spam_report = NULL;
1351 uschar *spam_action = NULL;
1352 uschar *spam_score = NULL;
1353 uschar *spam_score_int = NULL;
1354 #endif
1355 #ifdef EXPERIMENTAL_SPF
1356 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1357 uschar *spf_header_comment = NULL;
1358 uschar *spf_received = NULL;
1359 uschar *spf_result = NULL;
1360 uschar *spf_smtp_comment = NULL;
1361 #endif
1362
1363 BOOL split_spool_directory = FALSE;
1364 uschar *spool_directory = US SPOOL_DIRECTORY
1365 "\0<--------------Space to patch spool_directory->";
1366 #ifdef EXPERIMENTAL_SRS
1367 uschar *srs_config = NULL;
1368 uschar *srs_db_address = NULL;
1369 uschar *srs_db_key = NULL;
1370 int srs_hashlength = 6;
1371 int srs_hashmin = -1;
1372 int srs_maxage = 31;
1373 uschar *srs_orig_recipient = NULL;
1374 uschar *srs_orig_sender = NULL;
1375 uschar *srs_recipient = NULL;
1376 uschar *srs_secrets = NULL;
1377 uschar *srs_status = NULL;
1378 BOOL srs_usehash = TRUE;
1379 BOOL srs_usetimestamp = TRUE;
1380 #endif
1381 BOOL strict_acl_vars = FALSE;
1382 int string_datestamp_offset= -1;
1383 int string_datestamp_length= 0;
1384 int string_datestamp_type = -1;
1385 BOOL strip_excess_angle_brackets = FALSE;
1386 BOOL strip_trailing_dot = FALSE;
1387 uschar *submission_domain = NULL;
1388 BOOL submission_mode = FALSE;
1389 uschar *submission_name = NULL;
1390 BOOL suppress_local_fixups = FALSE;
1391 BOOL suppress_local_fixups_default = FALSE;
1392 BOOL synchronous_delivery = FALSE;
1393 BOOL syslog_duplication = TRUE;
1394 int syslog_facility = LOG_MAIL;
1395 BOOL syslog_pid = TRUE;
1396 uschar *syslog_processname = US"exim";
1397 BOOL syslog_timestamp = TRUE;
1398 uschar *system_filter = NULL;
1399
1400 uschar *system_filter_directory_transport = NULL;
1401 uschar *system_filter_file_transport = NULL;
1402 uschar *system_filter_pipe_transport = NULL;
1403 uschar *system_filter_reply_transport = NULL;
1404
1405 gid_t system_filter_gid = 0;
1406 BOOL system_filter_gid_set = FALSE;
1407 uid_t system_filter_uid = (uid_t)-1;
1408 BOOL system_filter_uid_set = FALSE;
1409 BOOL system_filtering = FALSE;
1410
1411 BOOL tcp_fastopen_ok = FALSE;
1412 BOOL tcp_nodelay = TRUE;
1413 #ifdef USE_TCP_WRAPPERS
1414 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1415 #endif
1416 int test_harness_load_avg = 0;
1417 int thismessage_size_limit = 0;
1418 int timeout_frozen_after = 0;
1419 BOOL timestamps_utc = FALSE;
1420
1421 transport_instance *transports = NULL;
1422
1423 transport_instance transport_defaults = {
1424 NULL, /* chain pointer */
1425 NULL, /* name */
1426 NULL, /* info */
1427 NULL, /* private options block pointer */
1428 NULL, /* driver name */
1429 NULL, /* setup entry point */
1430 1, /* batch_max */
1431 NULL, /* batch_id */
1432 NULL, /* home_dir */
1433 NULL, /* current_dir */
1434 NULL, /* expand-multi-domain */
1435 TRUE, /* multi-domain */
1436 FALSE, /* overrides_hosts */
1437 100, /* max_addresses */
1438 500, /* connection_max_messages */
1439 FALSE, /* deliver_as_creator */
1440 FALSE, /* disable_logging */
1441 FALSE, /* initgroups */
1442 FALSE, /* uid_set */
1443 FALSE, /* gid_set */
1444 (uid_t)(-1), /* uid */
1445 (gid_t)(-1), /* gid */
1446 NULL, /* expand_uid */
1447 NULL, /* expand_gid */
1448 NULL, /* warn_message */
1449 NULL, /* shadow */
1450 NULL, /* shadow_condition */
1451 NULL, /* filter_command */
1452 NULL, /* add_headers */
1453 NULL, /* remove_headers */
1454 NULL, /* return_path */
1455 NULL, /* debug_string */
1456 NULL, /* max_parallel */
1457 NULL, /* message_size_limit */
1458 NULL, /* headers_rewrite */
1459 NULL, /* rewrite_rules */
1460 0, /* rewrite_existflags */
1461 300, /* filter_timeout */
1462 FALSE, /* body_only */
1463 FALSE, /* delivery_date_add */
1464 FALSE, /* envelope_to_add */
1465 FALSE, /* headers_only */
1466 FALSE, /* rcpt_include_affixes */
1467 FALSE, /* return_path_add */
1468 FALSE, /* return_output */
1469 FALSE, /* return_fail_output */
1470 FALSE, /* log_output */
1471 FALSE, /* log_fail_output */
1472 FALSE, /* log_defer_output */
1473 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1474 1 nor 0 so can detect unset */
1475 #ifndef DISABLE_EVENT
1476 ,NULL /* event_action */
1477 #endif
1478 };
1479
1480 int transport_count;
1481 uschar *transport_name = NULL;
1482 int transport_newlines;
1483 const uschar **transport_filter_argv = NULL;
1484 int transport_filter_timeout;
1485 BOOL transport_filter_timed_out = FALSE;
1486 int transport_write_timeout= 0;
1487
1488 tree_node *tree_dns_fails = NULL;
1489 tree_node *tree_duplicates = NULL;
1490 tree_node *tree_nonrecipients = NULL;
1491 tree_node *tree_unusable = NULL;
1492
1493 BOOL trusted_caller = FALSE;
1494 BOOL trusted_config = TRUE;
1495 gid_t *trusted_groups = NULL;
1496 uid_t *trusted_users = NULL;
1497 uschar *timezone_string = US TIMEZONE_DEFAULT;
1498
1499 uschar *unknown_login = NULL;
1500 uschar *unknown_username = NULL;
1501 uschar *untrusted_set_sender = NULL;
1502
1503 /* A regex for matching a "From_" line in an incoming message, in the form
1504
1505 From ph10 Fri Jan 5 12:35 GMT 1996
1506
1507 which the "mail" commands send to the MTA (undocumented, of course), or in
1508 the form
1509
1510 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1511
1512 which is apparently used by some UUCPs, despite it not being in RFC 976.
1513 Because of variations in time formats, just match up to the minutes. That
1514 should be sufficient. Examples have been seen of time fields like 12:1:03,
1515 so just require one digit for hours and minutes. The weekday is also absent
1516 in some forms. */
1517
1518 uschar *uucp_from_pattern = US
1519 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1520 "(?:" /* Non-extracting bracket */
1521 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1522 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1523 ")" /* End alternation */
1524 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1525
1526 uschar *uucp_from_sender = US"$1";
1527
1528 uschar *verify_mode = NULL;
1529 uschar *version_copyright =
1530 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1531 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1532 uschar *version_date = US"?";
1533 uschar *version_cnumber = US"????";
1534 uschar *version_string = US"?";
1535
1536 uschar *warn_message_file = NULL;
1537 int warning_count = 0;
1538 uschar *warnmsg_delay = NULL;
1539 uschar *warnmsg_recipients = NULL;
1540 BOOL write_rejectlog = TRUE;
1541
1542
1543 /* End of globals.c */
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