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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 .active = -1,
105 .bits = 0,
106 .certificate_verified = FALSE,
107 #ifdef EXPERIMENTAL_DANE
108 .dane_verified = FALSE,
109 .tlsa_usage = 0,
110 #endif
111 .cipher = NULL,
112 .on_connect = FALSE,
113 .on_connect_ports = NULL,
114 .ourcert = NULL,
115 .peercert = NULL,
116 .peerdn = NULL,
117 .sni = NULL,
118 .ocsp = OCSP_NOT_REQ
119 };
120 tls_support tls_out = {
121 .active = -1,
122 .bits = 0,
123 .certificate_verified = FALSE,
124 #ifdef EXPERIMENTAL_DANE
125 .dane_verified = FALSE,
126 .tlsa_usage = 0,
127 #endif
128 .cipher = NULL,
129 .on_connect = FALSE,
130 .on_connect_ports = NULL,
131 .ourcert = NULL,
132 .peercert = NULL,
133 .peerdn = NULL,
134 .sni = NULL,
135 .ocsp = OCSP_NOT_REQ
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 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
186 int (*lwr_receive_getc)(unsigned) = stdin_getc;
187 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189 int (*receive_getc)(unsigned) = stdin_getc;
190 uschar * (*receive_getbuf)(unsigned *) = NULL;
191 void (*receive_get_cache)(void)= NULL;
192 int (*receive_ungetc)(int) = stdin_ungetc;
193 int (*receive_feof)(void) = stdin_feof;
194 int (*receive_ferror)(void) = stdin_ferror;
195 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196 #endif
197
198
199 /* List of per-address expansion variables for clearing and saving/restoring
200 when verifying one address while routing/verifying another. We have to have
201 the size explicit, because it is referenced from more than one module. */
202
203 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225 /* General global variables */
226
227 header_line *acl_added_headers = NULL;
228 tree_node *acl_anchor = NULL;
229 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231 int acl_narg = 0;
232
233 int acl_level = 0;
234
235 uschar *acl_not_smtp = NULL;
236 #ifdef WITH_CONTENT_SCAN
237 uschar *acl_not_smtp_mime = NULL;
238 #endif
239 uschar *acl_not_smtp_start = NULL;
240 uschar *acl_removed_headers = NULL;
241 uschar *acl_smtp_auth = NULL;
242 uschar *acl_smtp_connect = NULL;
243 uschar *acl_smtp_data = NULL;
244 #ifndef DISABLE_PRDR
245 uschar *acl_smtp_data_prdr = US"accept";
246 #endif
247 #ifndef DISABLE_DKIM
248 uschar *acl_smtp_dkim = NULL;
249 #endif
250 uschar *acl_smtp_etrn = NULL;
251 uschar *acl_smtp_expn = NULL;
252 uschar *acl_smtp_helo = NULL;
253 uschar *acl_smtp_mail = NULL;
254 uschar *acl_smtp_mailauth = NULL;
255 #ifdef WITH_CONTENT_SCAN
256 uschar *acl_smtp_mime = NULL;
257 #endif
258 uschar *acl_smtp_notquit = NULL;
259 uschar *acl_smtp_predata = NULL;
260 uschar *acl_smtp_quit = NULL;
261 uschar *acl_smtp_rcpt = NULL;
262 uschar *acl_smtp_starttls = NULL;
263 uschar *acl_smtp_vrfy = NULL;
264
265 BOOL acl_temp_details = FALSE;
266 tree_node *acl_var_c = NULL;
267 tree_node *acl_var_m = NULL;
268 uschar *acl_verify_message = NULL;
269 string_item *acl_warn_logged = NULL;
270
271 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274 uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
277 US"MIME",
278 US"DKIM",
279 US"DATA",
280 #ifndef DISABLE_PRDR
281 US"PRDR",
282 #endif
283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
290 US"non-SMTP-start",
291 US"NOTQUIT",
292 US"QUIT",
293 US"STARTTLS",
294 US"VRFY",
295 US"delivery",
296 US"unknown"
297 };
298
299 uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
303 US"550", /* DKIM */
304 US"550", /* DATA */
305 #ifndef DISABLE_PRDR
306 US"550", /* RCPT PRDR */
307 #endif
308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
319 US"252", /* VRFY */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
322 };
323
324 BOOL active_local_from_check = FALSE;
325 BOOL active_local_sender_retain = FALSE;
326 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327 uschar *add_environment = NULL;
328 address_item *addr_duplicate = NULL;
329
330 address_item address_defaults = {
331 .next = NULL,
332 .parent = NULL,
333 .first = NULL,
334 .dupof = NULL,
335 .start_router = NULL,
336 .router = NULL,
337 .transport = NULL,
338 .host_list = NULL,
339 .host_used = NULL,
340 .fallback_hosts = NULL,
341 .reply = NULL,
342 .retries = NULL,
343 .address = NULL,
344 .unique = NULL,
345 .cc_local_part = NULL,
346 .lc_local_part = NULL,
347 .local_part = NULL,
348 .prefix = NULL,
349 .suffix = NULL,
350 .domain = NULL,
351 .address_retry_key = NULL,
352 .domain_retry_key = NULL,
353 .current_dir = NULL,
354 .home_dir = NULL,
355 .message = NULL,
356 .user_message = NULL,
357 .onetime_parent = NULL,
358 .pipe_expandn = NULL,
359 .return_filename = NULL,
360 .self_hostname = NULL,
361 .shadow_message = NULL,
362 #ifdef SUPPORT_TLS
363 .cipher = NULL,
364 .ourcert = NULL,
365 .peercert = NULL,
366 .peerdn = NULL,
367 .ocsp = OCSP_NOT_REQ,
368 #endif
369 #ifdef EXPERIMENTAL_DSN_INFO
370 .smtp_greeting = NULL,
371 .helo_response = NULL,
372 #endif
373 .authenticator = NULL,
374 .auth_id = NULL,
375 .auth_sndr = NULL,
376 .dsn_orcpt = NULL,
377 .dsn_flags = 0,
378 .dsn_aware = 0,
379 .uid = (uid_t)(-1),
380 .gid = (gid_t)(-1),
381 .flags = { 0 },
382 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
383 .localpart_cache = { 0 }, /* localpart_cache - ditto */
384 .mode = -1,
385 .more_errno = 0,
386 .delivery_usec = 0,
387 .basic_errno = ERRNO_UNKNOWNERROR,
388 .child_count = 0,
389 .return_file = -1,
390 .special_action = SPECIAL_NONE,
391 .transport_return = DEFER,
392 .prop = { /* fields that are propagated to children */
393 .address_data = NULL,
394 .domain_data = NULL,
395 .localpart_data = NULL,
396 .errors_address = NULL,
397 .extra_headers = NULL,
398 .remove_headers = NULL,
399 #ifdef EXPERIMENTAL_SRS
400 .srs_sender = NULL,
401 #endif
402 .ignore_error = FALSE,
403 #ifdef SUPPORT_I18N
404 .utf8_msg = FALSE,
405 .utf8_downcvt = FALSE,
406 .utf8_downcvt_maybe = FALSE
407 #endif
408 }
409 };
410
411 uschar *address_file = NULL;
412 uschar *address_pipe = NULL;
413 BOOL address_test_mode = FALSE;
414 tree_node *addresslist_anchor = NULL;
415 int addresslist_count = 0;
416 gid_t *admin_groups = NULL;
417 BOOL admin_user = FALSE;
418 BOOL allow_auth_unadvertised= FALSE;
419 BOOL allow_domain_literals = FALSE;
420 BOOL allow_mx_to_ip = FALSE;
421 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
422 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
423 BOOL allow_utf8_domains = FALSE;
424 uschar *authenticated_fail_id = NULL;
425 uschar *authenticated_id = NULL;
426 uschar *authenticated_sender = NULL;
427 BOOL authentication_failed = FALSE;
428 auth_instance *auths = NULL;
429 uschar *auth_advertise_hosts = US"*";
430 auth_instance auth_defaults = {
431 .next = NULL,
432 .name = NULL,
433 .info = NULL,
434 .options_block = NULL,
435 .driver_name = NULL,
436 .advertise_condition = NULL,
437 .client_condition = NULL,
438 .public_name = NULL,
439 .set_id = NULL,
440 .set_client_id = NULL,
441 .mail_auth_condition = NULL,
442 .server_debug_string = NULL,
443 .server_condition = NULL,
444 .client = FALSE,
445 .server = FALSE,
446 .advertised = FALSE
447 };
448
449 uschar *auth_defer_msg = US"reason not recorded";
450 uschar *auth_defer_user_msg = US"";
451 uschar *auth_vars[AUTH_VARS];
452 int auto_thaw = 0;
453 #ifdef WITH_CONTENT_SCAN
454 BOOL av_failed = FALSE;
455 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
456 #endif
457
458 BOOL background_daemon = TRUE;
459
460 #if BASE_62 == 62
461 uschar *base62_chars=
462 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
463 #else
464 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
465 #endif
466
467 uschar *bi_command = NULL;
468 uschar *big_buffer = NULL;
469 int big_buffer_size = BIG_BUFFER_SIZE;
470 #ifdef EXPERIMENTAL_BRIGHTMAIL
471 uschar *bmi_alt_location = NULL;
472 uschar *bmi_base64_tracker_verdict = NULL;
473 uschar *bmi_base64_verdict = NULL;
474 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
475 int bmi_deliver = 1;
476 int bmi_run = 0;
477 uschar *bmi_verdicts = NULL;
478 #endif
479 int bsmtp_transaction_linecount = 0;
480 int body_8bitmime = 0;
481 int body_linecount = 0;
482 int body_zerocount = 0;
483 uschar *bounce_message_file = NULL;
484 uschar *bounce_message_text = NULL;
485 uschar *bounce_recipient = NULL;
486 BOOL bounce_return_body = TRUE;
487 int bounce_return_linesize_limit = 998;
488 BOOL bounce_return_message = TRUE;
489 int bounce_return_size_limit = 100*1024;
490 uschar *bounce_sender_authentication = NULL;
491 uschar *builtin_macros_create_trigger = NULL;
492
493 uschar *callout_address = NULL;
494 int callout_cache_domain_positive_expire = 7*24*60*60;
495 int callout_cache_domain_negative_expire = 3*60*60;
496 int callout_cache_positive_expire = 24*60*60;
497 int callout_cache_negative_expire = 2*60*60;
498 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
499 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
500 int check_log_inodes = 100;
501 int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
502 BOOL check_rfc2047_length = TRUE;
503 int check_spool_inodes = 100;
504 int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
505
506 uschar *chunking_advertise_hosts = US"*";
507 unsigned chunking_datasize = 0;
508 unsigned chunking_data_left = 0;
509 BOOL chunking_offered = FALSE;
510 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
511 const pcre *regex_CHUNKING = NULL;
512
513 uschar *client_authenticator = NULL;
514 uschar *client_authenticated_id = NULL;
515 uschar *client_authenticated_sender = NULL;
516 int clmacro_count = 0;
517 uschar *clmacros[MAX_CLMACROS];
518 BOOL commandline_checks_require_admin = FALSE;
519 BOOL config_changed = FALSE;
520 FILE *config_file = NULL;
521 const uschar *config_filename = NULL;
522 int config_lineno = 0;
523 #ifdef CONFIGURE_GROUP
524 gid_t config_gid = CONFIGURE_GROUP;
525 #else
526 gid_t config_gid = 0;
527 #endif
528 uschar *config_main_filelist = US CONFIGURE_FILE
529 "\0<-----------Space to patch configure_filename->";
530 uschar *config_main_filename = NULL;
531 uschar *config_main_directory = NULL;
532
533 #ifdef CONFIGURE_OWNER
534 uid_t config_uid = CONFIGURE_OWNER;
535 #else
536 uid_t config_uid = 0;
537 #endif
538
539 int connection_max_messages= -1;
540 uschar *continue_proxy_cipher = NULL;
541 uschar *continue_hostname = NULL;
542 uschar *continue_host_address = NULL;
543 BOOL continue_more = FALSE;
544 int continue_sequence = 1;
545 uschar *continue_transport = NULL;
546
547 uschar *csa_status = NULL;
548 cut_t cutthrough = {
549 .callout_hold_only = FALSE, /* verify-only: normal delivery */
550 .delivery = FALSE, /* when to attempt */
551 .defer_pass = FALSE, /* on defer: spool locally */
552 .is_tls = FALSE, /* not a TLS conn yet */
553 .fd = -1, /* open connection */
554 .nrcpt = 0, /* number of addresses */
555 };
556
557 BOOL daemon_listen = FALSE;
558 uschar *daemon_smtp_port = US"smtp";
559 int daemon_startup_retries = 9;
560 int daemon_startup_sleep = 30;
561
562 #ifdef EXPERIMENTAL_DCC
563 BOOL dcc_direct_add_header = FALSE;
564 uschar *dcc_header = NULL;
565 uschar *dcc_result = NULL;
566 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
567 uschar *dccifd_options = US"header";
568 #endif
569
570 BOOL debug_daemon = FALSE;
571 int debug_fd = -1;
572 FILE *debug_file = NULL;
573 int debug_notall[] = {
574 Di_memory,
575 -1
576 };
577 bit_table debug_options[] = { /* must be in alphabetical order */
578 BIT_TABLE(D, acl),
579 BIT_TABLE(D, all),
580 BIT_TABLE(D, auth),
581 BIT_TABLE(D, deliver),
582 BIT_TABLE(D, dns),
583 BIT_TABLE(D, dnsbl),
584 BIT_TABLE(D, exec),
585 BIT_TABLE(D, expand),
586 BIT_TABLE(D, filter),
587 BIT_TABLE(D, hints_lookup),
588 BIT_TABLE(D, host_lookup),
589 BIT_TABLE(D, ident),
590 BIT_TABLE(D, interface),
591 BIT_TABLE(D, lists),
592 BIT_TABLE(D, load),
593 BIT_TABLE(D, local_scan),
594 BIT_TABLE(D, lookup),
595 BIT_TABLE(D, memory),
596 BIT_TABLE(D, pid),
597 BIT_TABLE(D, process_info),
598 BIT_TABLE(D, queue_run),
599 BIT_TABLE(D, receive),
600 BIT_TABLE(D, resolver),
601 BIT_TABLE(D, retry),
602 BIT_TABLE(D, rewrite),
603 BIT_TABLE(D, route),
604 BIT_TABLE(D, timestamp),
605 BIT_TABLE(D, tls),
606 BIT_TABLE(D, transport),
607 BIT_TABLE(D, uid),
608 BIT_TABLE(D, verify),
609 };
610 int debug_options_count = nelem(debug_options);
611
612 unsigned int debug_selector = 0;
613 BOOL debug_store = FALSE;
614 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
615 uschar *delay_warning_condition=
616 US"${if or {"
617 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
618 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
619 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
620 "} {no}{yes}}";
621 BOOL delivery_date_remove = TRUE;
622 uschar *deliver_address_data = NULL;
623 int deliver_datafile = -1;
624 const uschar *deliver_domain = NULL;
625 uschar *deliver_domain_data = NULL;
626 const uschar *deliver_domain_orig = NULL;
627 const uschar *deliver_domain_parent = NULL;
628 BOOL deliver_drop_privilege = FALSE;
629 BOOL deliver_firsttime = FALSE;
630 BOOL deliver_force = FALSE;
631 BOOL deliver_freeze = FALSE;
632 time_t deliver_frozen_at = 0;
633 uschar *deliver_home = NULL;
634 const uschar *deliver_host = NULL;
635 const uschar *deliver_host_address = NULL;
636 int deliver_host_port = 0;
637 uschar *deliver_in_buffer = NULL;
638 ino_t deliver_inode = 0;
639 uschar *deliver_localpart = NULL;
640 uschar *deliver_localpart_data = NULL;
641 uschar *deliver_localpart_orig = NULL;
642 uschar *deliver_localpart_parent = NULL;
643 uschar *deliver_localpart_prefix = NULL;
644 uschar *deliver_localpart_suffix = NULL;
645 BOOL deliver_force_thaw = FALSE;
646 BOOL deliver_manual_thaw = FALSE;
647 uschar *deliver_out_buffer = NULL;
648 int deliver_queue_load_max = -1;
649 address_item *deliver_recipients = NULL;
650 uschar *deliver_selectstring = NULL;
651 BOOL deliver_selectstring_regex = FALSE;
652 uschar *deliver_selectstring_sender = NULL;
653 BOOL deliver_selectstring_sender_regex = FALSE;
654 BOOL disable_callout_flush = FALSE;
655 BOOL disable_delay_flush = FALSE;
656 #ifdef ENABLE_DISABLE_FSYNC
657 BOOL disable_fsync = FALSE;
658 #endif
659 BOOL disable_ipv6 = FALSE;
660 BOOL disable_logging = FALSE;
661
662 #ifndef DISABLE_DKIM
663 BOOL dkim_collect_input = FALSE;
664 uschar *dkim_cur_signer = NULL;
665 BOOL dkim_disable_verify = FALSE;
666 int dkim_key_length = 0;
667 uschar *dkim_signers = NULL;
668 uschar *dkim_signing_domain = NULL;
669 uschar *dkim_signing_selector = NULL;
670 uschar *dkim_verify_signers = US"$dkim_signers";
671 #endif
672 #ifdef EXPERIMENTAL_DMARC
673 BOOL dmarc_has_been_checked = FALSE;
674 uschar *dmarc_ar_header = NULL;
675 uschar *dmarc_domain_policy = NULL;
676 uschar *dmarc_forensic_sender = NULL;
677 uschar *dmarc_history_file = NULL;
678 uschar *dmarc_status = NULL;
679 uschar *dmarc_status_text = NULL;
680 uschar *dmarc_tld_file = NULL;
681 uschar *dmarc_used_domain = NULL;
682 BOOL dmarc_disable_verify = FALSE;
683 BOOL dmarc_enable_forensic = FALSE;
684 #endif
685
686 uschar *dns_again_means_nonexist = NULL;
687 int dns_csa_search_limit = 5;
688 BOOL dns_csa_use_reverse = TRUE;
689 #ifdef EXPERIMENTAL_DANE
690 int dns_dane_ok = -1;
691 #endif
692 uschar *dns_ipv4_lookup = NULL;
693 int dns_retrans = 0;
694 int dns_retry = 0;
695 int dns_dnssec_ok = -1; /* <0 = not coerced */
696 uschar *dns_trust_aa = NULL;
697 int dns_use_edns0 = -1; /* <0 = not coerced */
698 uschar *dnslist_domain = NULL;
699 uschar *dnslist_matched = NULL;
700 uschar *dnslist_text = NULL;
701 uschar *dnslist_value = NULL;
702 tree_node *domainlist_anchor = NULL;
703 int domainlist_count = 0;
704 BOOL dont_deliver = FALSE;
705 BOOL dot_ends = TRUE;
706 BOOL drop_cr = FALSE; /* No longer used */
707 uschar *dsn_from = US DEFAULT_DSN_FROM;
708
709 BOOL enable_dollar_recipients = FALSE;
710 BOOL envelope_to_remove = TRUE;
711 int errno_quota = ERRNO_QUOTA;
712 uschar *errors_copy = NULL;
713 int error_handling = ERRORS_SENDER;
714 uschar *errors_reply_to = NULL;
715 int errors_sender_rc = EXIT_FAILURE;
716 #ifndef DISABLE_EVENT
717 uschar *event_action = NULL; /* expansion for delivery events */
718 uschar *event_data = NULL; /* auxiliary data variable for event */
719 int event_defer_errno = 0;
720 const uschar *event_name = NULL; /* event name variable */
721 #endif
722
723
724 gid_t exim_gid = EXIM_GID;
725 BOOL exim_gid_set = TRUE; /* This gid is always set */
726 uschar *exim_path = US BIN_DIRECTORY "/exim"
727 "\0<---------------Space to patch exim_path->";
728 uid_t exim_uid = EXIM_UID;
729 BOOL exim_uid_set = TRUE; /* This uid is always set */
730 int expand_level = 0; /* Nesting depth, indent for debug */
731 int expand_forbid = 0;
732 int expand_nlength[EXPAND_MAXN+1];
733 int expand_nmax = -1;
734 uschar *expand_nstring[EXPAND_MAXN+1];
735 BOOL expand_string_forcedfail = FALSE;
736 uschar *expand_string_message;
737 BOOL extract_addresses_remove_arguments = TRUE;
738 uschar *extra_local_interfaces = NULL;
739
740 int fake_response = OK;
741 uschar *fake_response_text = US"Your message has been rejected but is "
742 "being kept for evaluation.\nIf it was a "
743 "legitimate message, it may still be "
744 "delivered to the target recipient(s).";
745 int filter_n[FILTER_VARIABLE_COUNT];
746 BOOL filter_running = FALSE;
747 int filter_sn[FILTER_VARIABLE_COUNT];
748 int filter_test = FTEST_NONE;
749 uschar *filter_test_sfile = NULL;
750 uschar *filter_test_ufile = NULL;
751 uschar *filter_thisaddress = NULL;
752 int finduser_retries = 0;
753 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
754 uschar *freeze_tell = NULL;
755 uschar *freeze_tell_config = NULL;
756 uschar *fudged_queue_times = US"";
757
758 uschar *gecos_name = NULL;
759 uschar *gecos_pattern = NULL;
760 rewrite_rule *global_rewrite_rules = NULL;
761
762 uschar *headers_charset = US HEADERS_CHARSET;
763 int header_insert_maxlen = 64 * 1024;
764 header_line *header_last = NULL;
765 header_line *header_list = NULL;
766 int header_maxsize = HEADER_MAXSIZE;
767 int header_line_maxsize = 0;
768
769 header_name header_names[] = {
770 /* name len allow_resent htype */
771 { US"bcc", 3, TRUE, htype_bcc },
772 { US"cc", 2, TRUE, htype_cc },
773 { US"date", 4, TRUE, htype_date },
774 { US"delivery-date", 13, FALSE, htype_delivery_date },
775 { US"envelope-to", 11, FALSE, htype_envelope_to },
776 { US"from", 4, TRUE, htype_from },
777 { US"message-id", 10, TRUE, htype_id },
778 { US"received", 8, FALSE, htype_received },
779 { US"reply-to", 8, FALSE, htype_reply_to },
780 { US"return-path", 11, FALSE, htype_return_path },
781 { US"sender", 6, TRUE, htype_sender },
782 { US"subject", 7, FALSE, htype_subject },
783 { US"to", 2, TRUE, htype_to }
784 };
785
786 int header_names_size = sizeof(header_names)/sizeof(header_name);
787
788 BOOL header_rewritten = FALSE;
789 uschar *helo_accept_junk_hosts = NULL;
790 uschar *helo_allow_chars = US"";
791 uschar *helo_lookup_domains = US"@ : @[]";
792 uschar *helo_try_verify_hosts = NULL;
793 BOOL helo_verified = FALSE;
794 BOOL helo_verify_failed = FALSE;
795 uschar *helo_verify_hosts = NULL;
796 const uschar *hex_digits = CUS"0123456789abcdef";
797 uschar *hold_domains = NULL;
798 BOOL host_checking = FALSE;
799 BOOL host_checking_callout = FALSE;
800 uschar *host_data = NULL;
801 BOOL host_find_failed_syntax= FALSE;
802 uschar *host_lookup = NULL;
803 BOOL host_lookup_deferred = FALSE;
804 BOOL host_lookup_failed = FALSE;
805 uschar *host_lookup_order = US"bydns:byaddr";
806 uschar *host_lookup_msg = US"";
807 int host_number = 0;
808 uschar *host_number_string = NULL;
809 uschar *host_reject_connection = NULL;
810 tree_node *hostlist_anchor = NULL;
811 int hostlist_count = 0;
812 uschar *hosts_treat_as_local = NULL;
813 uschar *hosts_connection_nolog = NULL;
814
815 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
816 BOOL ignore_fromline_local = FALSE;
817 uschar *ignore_fromline_hosts = NULL;
818 BOOL inetd_wait_mode = FALSE;
819 int inetd_wait_timeout = -1;
820 uschar *initial_cwd = NULL;
821 uschar *interface_address = NULL;
822 int interface_port = -1;
823 BOOL is_inetd = FALSE;
824 uschar *iterate_item = NULL;
825
826 int journal_fd = -1;
827
828 uschar *keep_environment = NULL;
829
830 int keep_malformed = 4*24*60*60; /* 4 days */
831
832 uschar *eldap_dn = NULL;
833 int load_average = -2;
834 BOOL local_error_message = FALSE;
835 BOOL local_from_check = TRUE;
836 uschar *local_from_prefix = NULL;
837 uschar *local_from_suffix = NULL;
838
839 #if HAVE_IPV6
840 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
841 #else
842 uschar *local_interfaces = US"0.0.0.0";
843 #endif
844
845 uschar *local_scan_data = NULL;
846 int local_scan_timeout = 5*60;
847 BOOL local_sender_retain = FALSE;
848 gid_t local_user_gid = (gid_t)(-1);
849 uid_t local_user_uid = (uid_t)(-1);
850
851 tree_node *localpartlist_anchor= NULL;
852 int localpartlist_count = 0;
853 uschar *log_buffer = NULL;
854
855 int log_default[] = { /* for initializing log_selector */
856 Li_acl_warn_skipped,
857 Li_connection_reject,
858 Li_delay_delivery,
859 Li_dnslist_defer,
860 Li_etrn,
861 Li_host_lookup_failed,
862 Li_lost_incoming_connection,
863 Li_outgoing_interface, /* see d_log_interface in deliver.c */
864 Li_queue_run,
865 Li_rejected_header,
866 Li_retry_defer,
867 Li_sender_verify_fail,
868 Li_size_reject,
869 Li_skip_delivery,
870 Li_smtp_confirmation,
871 Li_tls_certificate_verified,
872 Li_tls_cipher,
873 -1
874 };
875
876 uschar *log_file_path = US LOG_FILE_PATH
877 "\0<--------------Space to patch log_file_path->";
878
879 int log_notall[] = {
880 -1
881 };
882 bit_table log_options[] = { /* must be in alphabetical order */
883 BIT_TABLE(L, 8bitmime),
884 BIT_TABLE(L, acl_warn_skipped),
885 BIT_TABLE(L, address_rewrite),
886 BIT_TABLE(L, all),
887 BIT_TABLE(L, all_parents),
888 BIT_TABLE(L, arguments),
889 BIT_TABLE(L, connection_reject),
890 BIT_TABLE(L, delay_delivery),
891 BIT_TABLE(L, deliver_time),
892 BIT_TABLE(L, delivery_size),
893 BIT_TABLE(L, dnslist_defer),
894 BIT_TABLE(L, dnssec),
895 BIT_TABLE(L, etrn),
896 BIT_TABLE(L, host_lookup_failed),
897 BIT_TABLE(L, ident_timeout),
898 BIT_TABLE(L, incoming_interface),
899 BIT_TABLE(L, incoming_port),
900 BIT_TABLE(L, lost_incoming_connection),
901 BIT_TABLE(L, millisec),
902 BIT_TABLE(L, outgoing_interface),
903 BIT_TABLE(L, outgoing_port),
904 BIT_TABLE(L, pid),
905 #if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
906 BIT_TABLE(L, proxy),
907 #endif
908 BIT_TABLE(L, queue_run),
909 BIT_TABLE(L, queue_time),
910 BIT_TABLE(L, queue_time_overall),
911 BIT_TABLE(L, received_recipients),
912 BIT_TABLE(L, received_sender),
913 BIT_TABLE(L, rejected_header),
914 { US"rejected_headers", Li_rejected_header },
915 BIT_TABLE(L, retry_defer),
916 BIT_TABLE(L, return_path_on_delivery),
917 BIT_TABLE(L, sender_on_delivery),
918 BIT_TABLE(L, sender_verify_fail),
919 BIT_TABLE(L, size_reject),
920 BIT_TABLE(L, skip_delivery),
921 BIT_TABLE(L, smtp_confirmation),
922 BIT_TABLE(L, smtp_connection),
923 BIT_TABLE(L, smtp_incomplete_transaction),
924 BIT_TABLE(L, smtp_mailauth),
925 BIT_TABLE(L, smtp_no_mail),
926 BIT_TABLE(L, smtp_protocol_error),
927 BIT_TABLE(L, smtp_syntax_error),
928 BIT_TABLE(L, subject),
929 BIT_TABLE(L, tls_certificate_verified),
930 BIT_TABLE(L, tls_cipher),
931 BIT_TABLE(L, tls_peerdn),
932 BIT_TABLE(L, tls_sni),
933 BIT_TABLE(L, unknown_in_list),
934 };
935 int log_options_count = nelem(log_options);
936
937 int log_reject_target = 0;
938 unsigned int log_selector[log_selector_size]; /* initialized in main() */
939 uschar *log_selector_string = NULL;
940 FILE *log_stderr = NULL;
941 BOOL log_testing_mode = FALSE;
942 BOOL log_timezone = FALSE;
943 uschar *login_sender_address = NULL;
944 uschar *lookup_dnssec_authenticated = NULL;
945 int lookup_open_max = 25;
946 uschar *lookup_value = NULL;
947
948 uschar *mailstore_basename = NULL;
949 #ifdef WITH_CONTENT_SCAN
950 uschar *malware_name = NULL; /* Virus Name */
951 #endif
952 int max_received_linelength= 0;
953 int max_username_length = 0;
954 int message_age = 0;
955 uschar *message_body = NULL;
956 uschar *message_body_end = NULL;
957 BOOL message_body_newlines = FALSE;
958 int message_body_size = 0;
959 int message_body_visible = 500;
960 int message_ended = END_NOTSTARTED;
961 uschar *message_headers = NULL;
962 uschar *message_id;
963 uschar *message_id_domain = NULL;
964 uschar *message_id_text = NULL;
965 struct timeval message_id_tv = { 0, 0 };
966 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
967 uschar *message_id_external;
968 int message_linecount = 0;
969 BOOL message_logs = TRUE;
970 int message_size = 0;
971 uschar *message_size_limit = US"50M";
972 #ifdef SUPPORT_I18N
973 BOOL message_smtputf8 = FALSE;
974 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
975 #endif
976 uschar message_subdir[2] = { 0, 0 };
977 uschar *message_reference = NULL;
978
979 /* MIME ACL expandables */
980 #ifdef WITH_CONTENT_SCAN
981 int mime_anomaly_level = 0;
982 const uschar *mime_anomaly_text = NULL;
983 uschar *mime_boundary = NULL;
984 uschar *mime_charset = NULL;
985 uschar *mime_content_description = NULL;
986 uschar *mime_content_disposition = NULL;
987 uschar *mime_content_id = NULL;
988 unsigned int mime_content_size = 0;
989 uschar *mime_content_transfer_encoding = NULL;
990 uschar *mime_content_type = NULL;
991 uschar *mime_decoded_filename = NULL;
992 uschar *mime_filename = NULL;
993 int mime_is_multipart = 0;
994 int mime_is_coverletter = 0;
995 int mime_is_rfc822 = 0;
996 int mime_part_count = -1;
997 #endif
998
999 BOOL mua_wrapper = FALSE;
1000
1001 uid_t *never_users = NULL;
1002 #ifdef WITH_CONTENT_SCAN
1003 BOOL no_mbox_unspool = FALSE;
1004 #endif
1005 BOOL no_multiline_responses = FALSE;
1006
1007 const int on = 1; /* for setsockopt */
1008 const int off = 0;
1009
1010 uid_t original_euid;
1011 gid_t originator_gid;
1012 uschar *originator_login = NULL;
1013 uschar *originator_name = NULL;
1014 uid_t originator_uid;
1015 uschar *override_local_interfaces = NULL;
1016 uschar *override_pid_file_path = NULL;
1017
1018 BOOL parse_allow_group = FALSE;
1019 BOOL parse_found_group = FALSE;
1020 uschar *percent_hack_domains = NULL;
1021 uschar *pid_file_path = US PID_FILE_PATH
1022 "\0<--------------Space to patch pid_file_path->";
1023 BOOL pipelining_enable = TRUE;
1024 uschar *pipelining_advertise_hosts = US"*";
1025 BOOL preserve_message_logs = FALSE;
1026 uschar *primary_hostname = NULL;
1027 BOOL print_topbitchars = FALSE;
1028 uschar process_info[PROCESS_INFO_SIZE];
1029 int process_info_len = 0;
1030 uschar *process_log_path = NULL;
1031 BOOL prod_requires_admin = TRUE;
1032
1033 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1034 uschar *hosts_proxy = US"";
1035 uschar *proxy_external_address = US"";
1036 int proxy_external_port = 0;
1037 uschar *proxy_local_address = US"";
1038 int proxy_local_port = 0;
1039 BOOL proxy_session = FALSE;
1040 BOOL proxy_session_failed = FALSE;
1041 #endif
1042
1043 uschar *prvscheck_address = NULL;
1044 uschar *prvscheck_keynum = NULL;
1045 uschar *prvscheck_result = NULL;
1046
1047
1048 const uschar *qualify_domain_recipient = NULL;
1049 uschar *qualify_domain_sender = NULL;
1050 BOOL queue_2stage = FALSE;
1051 uschar *queue_domains = NULL;
1052 int queue_interval = -1;
1053 BOOL queue_list_requires_admin = TRUE;
1054 uschar *queue_name = US"";
1055 BOOL queue_only = FALSE;
1056 uschar *queue_only_file = NULL;
1057 int queue_only_load = -1;
1058 BOOL queue_only_load_latch = TRUE;
1059 BOOL queue_only_override = TRUE;
1060 BOOL queue_only_policy = FALSE;
1061 BOOL queue_run_first_delivery = FALSE;
1062 BOOL queue_run_force = FALSE;
1063 BOOL queue_run_in_order = FALSE;
1064 BOOL queue_run_local = FALSE;
1065 uschar *queue_run_max = US"5";
1066 pid_t queue_run_pid = (pid_t)0;
1067 int queue_run_pipe = -1;
1068 BOOL queue_running = FALSE;
1069 BOOL queue_smtp = FALSE;
1070 uschar *queue_smtp_domains = NULL;
1071
1072 unsigned int random_seed = 0;
1073 tree_node *ratelimiters_cmd = NULL;
1074 tree_node *ratelimiters_conn = NULL;
1075 tree_node *ratelimiters_mail = NULL;
1076 uschar *raw_active_hostname = NULL;
1077 uschar *raw_sender = NULL;
1078 uschar **raw_recipients = NULL;
1079 int raw_recipients_count = 0;
1080
1081 int rcpt_count = 0;
1082 int rcpt_fail_count = 0;
1083 int rcpt_defer_count = 0;
1084 gid_t real_gid;
1085 uid_t real_uid;
1086 BOOL really_exim = TRUE;
1087 BOOL receive_call_bombout = FALSE;
1088 int receive_linecount = 0;
1089 int receive_messagecount = 0;
1090 int receive_timeout = 0;
1091 int received_count = 0;
1092 uschar *received_for = NULL;
1093
1094 /* This is the default text for Received headers generated by Exim. The
1095 date will be automatically added on the end. */
1096
1097 uschar *received_header_text = US
1098 "Received: "
1099 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1100 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1101 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1102 "by $primary_hostname "
1103 "${if def:received_protocol {with $received_protocol}} "
1104 #ifdef SUPPORT_TLS
1105 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1106 #endif
1107 "(Exim $version_number)\n\t"
1108 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1109 "id $message_exim_id"
1110 "${if def:received_for {\n\tfor $received_for}}"
1111 "\0<---------------Space to patch received_header_text->";
1112
1113 int received_headers_max = 30;
1114 uschar *received_protocol = NULL;
1115 struct timeval received_time = { 0, 0 };
1116 uschar *recipient_data = NULL;
1117 uschar *recipient_unqualified_hosts = NULL;
1118 uschar *recipient_verify_failure = NULL;
1119 int recipients_count = 0;
1120 BOOL recipients_discarded = FALSE;
1121 recipient_item *recipients_list = NULL;
1122 int recipients_list_max = 0;
1123 int recipients_max = 0;
1124 BOOL recipients_max_reject = FALSE;
1125 const pcre *regex_AUTH = NULL;
1126 const pcre *regex_check_dns_names = NULL;
1127 const pcre *regex_From = NULL;
1128 const pcre *regex_IGNOREQUOTA = NULL;
1129 const pcre *regex_PIPELINING = NULL;
1130 const pcre *regex_SIZE = NULL;
1131 const pcre *regex_ismsgid = NULL;
1132 const pcre *regex_smtp_code = NULL;
1133 uschar *regex_vars[REGEX_VARS];
1134 #ifdef WHITELIST_D_MACROS
1135 const pcre *regex_whitelisted_macro = NULL;
1136 #endif
1137 #ifdef WITH_CONTENT_SCAN
1138 uschar *regex_match_string = NULL;
1139 #endif
1140 int remote_delivery_count = 0;
1141 int remote_max_parallel = 2;
1142 uschar *remote_sort_domains = NULL;
1143 int retry_data_expire = 7*24*60*60;
1144 int retry_interval_max = 24*60*60;
1145 int retry_maximum_timeout = 0; /* set from retry config */
1146 retry_config *retries = NULL;
1147 uschar *return_path = NULL;
1148 BOOL return_path_remove = TRUE;
1149 int rewrite_existflags = 0;
1150 uschar *rfc1413_hosts = US"@[]";
1151 int rfc1413_query_timeout = 0;
1152 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1153 uid_t root_gid = ROOT_GID;
1154 uid_t root_uid = ROOT_UID;
1155
1156 router_instance *routers = NULL;
1157 router_instance router_defaults = {
1158 .next = NULL,
1159 .name = NULL,
1160 .info = NULL,
1161 .options_block = NULL,
1162 .driver_name = NULL,
1163
1164 .address_data = NULL,
1165 #ifdef EXPERIMENTAL_BRIGHTMAIL
1166 .bmi_rule = NULL,
1167 #endif
1168 .cannot_route_message = NULL,
1169 .condition = NULL,
1170 .current_directory = NULL,
1171 .debug_string = NULL,
1172 .domains = NULL,
1173 .errors_to = NULL,
1174 .expand_gid = NULL,
1175 .expand_uid = NULL,
1176 .expand_more = NULL,
1177 .expand_unseen = NULL,
1178 .extra_headers = NULL,
1179 .fallback_hosts = NULL,
1180 .home_directory = NULL,
1181 .ignore_target_hosts = NULL,
1182 .local_parts = NULL,
1183 .pass_router_name = NULL,
1184 .prefix = NULL,
1185 .redirect_router_name = NULL,
1186 .remove_headers = NULL,
1187 .require_files = NULL,
1188 .router_home_directory = NULL,
1189 .self = US"freeze",
1190 .senders = NULL,
1191 .suffix = NULL,
1192 .translate_ip_address = NULL,
1193 .transport_name = NULL,
1194
1195 .address_test = TRUE,
1196 #ifdef EXPERIMENTAL_BRIGHTMAIL
1197 .bmi_deliver_alternate = FALSE,
1198 .bmi_deliver_default = FALSE,
1199 .bmi_dont_deliver = FALSE,
1200 #endif
1201 .expn = TRUE,
1202 .caseful_local_part = FALSE,
1203 .check_local_user = FALSE,
1204 .disable_logging = FALSE,
1205 .fail_verify_recipient = FALSE,
1206 .fail_verify_sender = FALSE,
1207 .gid_set = FALSE,
1208 .initgroups = FALSE,
1209 .log_as_local = TRUE_UNSET,
1210 .more = TRUE,
1211 .pass_on_timeout = FALSE,
1212 .prefix_optional = FALSE,
1213 .repeat_use = TRUE,
1214 .retry_use_local_part = TRUE_UNSET,
1215 .same_domain_copy_routing = FALSE,
1216 .self_rewrite = FALSE,
1217 .suffix_optional = FALSE,
1218 .verify_only = FALSE,
1219 .verify_recipient = TRUE,
1220 .verify_sender = TRUE,
1221 .uid_set = FALSE,
1222 .unseen = FALSE,
1223 .dsn_lasthop = FALSE,
1224
1225 .self_code = self_freeze,
1226 .uid = (uid_t)(-1),
1227 .gid = (gid_t)(-1),
1228
1229 .fallback_hostlist = NULL,
1230 .transport = NULL,
1231 .pass_router = NULL,
1232 .redirect_router = NULL,
1233
1234 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1235 };
1236
1237 uschar *router_name = NULL;
1238
1239 ip_address_item *running_interfaces = NULL;
1240 BOOL running_in_test_harness = FALSE;
1241
1242 /* This is a weird one. The following string gets patched in the binary by the
1243 script that sets up a copy of Exim for running in the test harness. It seems
1244 that compilers are now clever, and share constant strings if they can.
1245 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1246 make use of the end of this string in order to save space. So the patching then
1247 wrecks this. We defeat this optimization by adding some additional characters
1248 onto the end of the string. */
1249
1250 uschar *running_status = US">>>running<<<" "\0EXTRA";
1251
1252 int runrc = 0;
1253
1254 uschar *search_error_message = NULL;
1255 BOOL search_find_defer = FALSE;
1256 uschar *self_hostname = NULL;
1257 uschar *sender_address = NULL;
1258 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1259 uschar *sender_address_data = NULL;
1260 BOOL sender_address_forced = FALSE;
1261 uschar *sender_address_unrewritten = NULL;
1262 uschar *sender_data = NULL;
1263 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1264 uschar *sender_fullhost = NULL;
1265 BOOL sender_helo_dnssec = FALSE;
1266 uschar *sender_helo_name = NULL;
1267 uschar **sender_host_aliases = &no_aliases;
1268 uschar *sender_host_address = NULL;
1269 uschar *sender_host_authenticated = NULL;
1270 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1271 BOOL sender_host_dnssec = FALSE;
1272 uschar *sender_host_name = NULL;
1273 int sender_host_port = 0;
1274 BOOL sender_host_notsocket = FALSE;
1275 BOOL sender_host_unknown = FALSE;
1276 uschar *sender_ident = NULL;
1277 BOOL sender_local = FALSE;
1278 BOOL sender_name_forced = FALSE;
1279 uschar *sender_rate = NULL;
1280 uschar *sender_rate_limit = NULL;
1281 uschar *sender_rate_period = NULL;
1282 uschar *sender_rcvhost = NULL;
1283 BOOL sender_set_untrusted = FALSE;
1284 uschar *sender_unqualified_hosts = NULL;
1285 uschar *sender_verify_failure = NULL;
1286 address_item *sender_verified_list = NULL;
1287 address_item *sender_verified_failed = NULL;
1288 int sender_verified_rc = -1;
1289 BOOL sender_verified_responded = FALSE;
1290 uschar *sending_ip_address = NULL;
1291 int sending_port = -1;
1292 SIGNAL_BOOL sigalrm_seen = FALSE;
1293 uschar **sighup_argv = NULL;
1294 int slow_lookup_log = 0; /* millisecs, zero disables */
1295 int smtp_accept_count = 0;
1296 BOOL smtp_accept_keepalive = TRUE;
1297 int smtp_accept_max = 20;
1298 int smtp_accept_max_nonmail= 10;
1299 uschar *smtp_accept_max_nonmail_hosts = US"*";
1300 int smtp_accept_max_per_connection = 1000;
1301 uschar *smtp_accept_max_per_host = NULL;
1302 int smtp_accept_queue = 0;
1303 int smtp_accept_queue_per_connection = 10;
1304 int smtp_accept_reserve = 0;
1305 uschar *smtp_active_hostname = NULL;
1306 BOOL smtp_authenticated = FALSE;
1307 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1308 "Exim $version_number $tod_full"
1309 "\0<---------------Space to patch smtp_banner->";
1310 BOOL smtp_batched_input = FALSE;
1311 BOOL smtp_check_spool_space = TRUE;
1312 int smtp_ch_index = 0;
1313 uschar *smtp_cmd_argument = NULL;
1314 uschar *smtp_cmd_buffer = NULL;
1315 struct timeval smtp_connection_start = {0,0};
1316 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1317 int smtp_connect_backlog = 20;
1318 double smtp_delay_mail = 0.0;
1319 double smtp_delay_rcpt = 0.0;
1320 BOOL smtp_enforce_sync = TRUE;
1321 FILE *smtp_in = NULL;
1322 BOOL smtp_input = FALSE;
1323 int smtp_load_reserve = -1;
1324 int smtp_mailcmd_count = 0;
1325 FILE *smtp_out = NULL;
1326 uschar *smtp_etrn_command = NULL;
1327 BOOL smtp_etrn_serialize = TRUE;
1328 int smtp_max_synprot_errors= 3;
1329 int smtp_max_unknown_commands = 3;
1330 uschar *smtp_notquit_reason = NULL;
1331 uschar *smtp_ratelimit_hosts = NULL;
1332 uschar *smtp_ratelimit_mail = NULL;
1333 uschar *smtp_ratelimit_rcpt = NULL;
1334 uschar *smtp_read_error = US"";
1335 int smtp_receive_timeout = 5*60;
1336 uschar *smtp_receive_timeout_s = NULL;
1337 uschar *smtp_reserve_hosts = NULL;
1338 BOOL smtp_return_error_details = FALSE;
1339 int smtp_rlm_base = 0;
1340 double smtp_rlm_factor = 0.0;
1341 int smtp_rlm_limit = 0;
1342 int smtp_rlm_threshold = INT_MAX;
1343 int smtp_rlr_base = 0;
1344 double smtp_rlr_factor = 0.0;
1345 int smtp_rlr_limit = 0;
1346 int smtp_rlr_threshold = INT_MAX;
1347 unsigned smtp_peer_options = 0;
1348 unsigned smtp_peer_options_wrap= 0;
1349 #ifdef SUPPORT_I18N
1350 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1351 #endif
1352
1353 #ifdef WITH_CONTENT_SCAN
1354 uschar *spamd_address = US"127.0.0.1 783";
1355 uschar *spam_bar = NULL;
1356 uschar *spam_report = NULL;
1357 uschar *spam_action = NULL;
1358 uschar *spam_score = NULL;
1359 uschar *spam_score_int = NULL;
1360 #endif
1361 #ifdef EXPERIMENTAL_SPF
1362 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1363 uschar *spf_header_comment = NULL;
1364 uschar *spf_received = NULL;
1365 uschar *spf_result = NULL;
1366 uschar *spf_smtp_comment = NULL;
1367 #endif
1368
1369 BOOL split_spool_directory = FALSE;
1370 uschar *spool_directory = US SPOOL_DIRECTORY
1371 "\0<--------------Space to patch spool_directory->";
1372 BOOL spool_file_wireformat = FALSE;
1373 BOOL spool_wireformat = FALSE;
1374 #ifdef EXPERIMENTAL_SRS
1375 uschar *srs_config = NULL;
1376 uschar *srs_db_address = NULL;
1377 uschar *srs_db_key = NULL;
1378 int srs_hashlength = 6;
1379 int srs_hashmin = -1;
1380 int srs_maxage = 31;
1381 uschar *srs_orig_recipient = NULL;
1382 uschar *srs_orig_sender = NULL;
1383 uschar *srs_recipient = NULL;
1384 uschar *srs_secrets = NULL;
1385 uschar *srs_status = NULL;
1386 BOOL srs_usehash = TRUE;
1387 BOOL srs_usetimestamp = TRUE;
1388 #endif
1389 BOOL strict_acl_vars = FALSE;
1390 int string_datestamp_offset= -1;
1391 int string_datestamp_length= 0;
1392 int string_datestamp_type = -1;
1393 BOOL strip_excess_angle_brackets = FALSE;
1394 BOOL strip_trailing_dot = FALSE;
1395 uschar *submission_domain = NULL;
1396 BOOL submission_mode = FALSE;
1397 uschar *submission_name = NULL;
1398 BOOL suppress_local_fixups = FALSE;
1399 BOOL suppress_local_fixups_default = FALSE;
1400 BOOL synchronous_delivery = FALSE;
1401 BOOL syslog_duplication = TRUE;
1402 int syslog_facility = LOG_MAIL;
1403 BOOL syslog_pid = TRUE;
1404 uschar *syslog_processname = US"exim";
1405 BOOL syslog_timestamp = TRUE;
1406 uschar *system_filter = NULL;
1407
1408 uschar *system_filter_directory_transport = NULL;
1409 uschar *system_filter_file_transport = NULL;
1410 uschar *system_filter_pipe_transport = NULL;
1411 uschar *system_filter_reply_transport = NULL;
1412
1413 gid_t system_filter_gid = 0;
1414 BOOL system_filter_gid_set = FALSE;
1415 uid_t system_filter_uid = (uid_t)-1;
1416 BOOL system_filter_uid_set = FALSE;
1417 BOOL system_filtering = FALSE;
1418
1419 BOOL tcp_fastopen_ok = FALSE;
1420 BOOL tcp_nodelay = TRUE;
1421 #ifdef USE_TCP_WRAPPERS
1422 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1423 #endif
1424 int test_harness_load_avg = 0;
1425 int thismessage_size_limit = 0;
1426 int timeout_frozen_after = 0;
1427 BOOL timestamps_utc = FALSE;
1428
1429 transport_instance *transports = NULL;
1430
1431 transport_instance transport_defaults = {
1432 .next = NULL,
1433 .name = NULL,
1434 .info = NULL,
1435 .options_block = NULL,
1436 .driver_name = NULL,
1437 .setup = NULL,
1438 .batch_max = 1,
1439 .batch_id = NULL,
1440 .home_dir = NULL,
1441 .current_dir = NULL,
1442 .expand_multi_domain = NULL,
1443 .multi_domain = TRUE,
1444 .overrides_hosts = FALSE,
1445 .max_addresses = 100,
1446 .connection_max_messages = 500,
1447 .deliver_as_creator = FALSE,
1448 .disable_logging = FALSE,
1449 .initgroups = FALSE,
1450 .uid_set = FALSE,
1451 .gid_set = FALSE,
1452 .uid = (uid_t)(-1),
1453 .gid = (gid_t)(-1),
1454 .expand_uid = NULL,
1455 .expand_gid = NULL,
1456 .warn_message = NULL,
1457 .shadow = NULL,
1458 .shadow_condition = NULL,
1459 .filter_command = NULL,
1460 .add_headers = NULL,
1461 .remove_headers = NULL,
1462 .return_path = NULL,
1463 .debug_string = NULL,
1464 .max_parallel = NULL,
1465 .message_size_limit = NULL,
1466 .headers_rewrite = NULL,
1467 .rewrite_rules = NULL,
1468 .rewrite_existflags = 0,
1469 .filter_timeout = 300,
1470 .body_only = FALSE,
1471 .delivery_date_add = FALSE,
1472 .envelope_to_add = FALSE,
1473 .headers_only = FALSE,
1474 .rcpt_include_affixes = FALSE,
1475 .return_path_add = FALSE,
1476 .return_output = FALSE,
1477 .return_fail_output = FALSE,
1478 .log_output = FALSE,
1479 .log_fail_output = FALSE,
1480 .log_defer_output = FALSE,
1481 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1482 1 nor 0 so can detect unset */
1483 #ifndef DISABLE_EVENT
1484 .event_action = NULL
1485 #endif
1486 };
1487
1488 int transport_count;
1489 uschar *transport_name = NULL;
1490 int transport_newlines;
1491 const uschar **transport_filter_argv = NULL;
1492 int transport_filter_timeout;
1493 BOOL transport_filter_timed_out = FALSE;
1494 int transport_write_timeout= 0;
1495
1496 tree_node *tree_dns_fails = NULL;
1497 tree_node *tree_duplicates = NULL;
1498 tree_node *tree_nonrecipients = NULL;
1499 tree_node *tree_unusable = NULL;
1500
1501 BOOL trusted_caller = FALSE;
1502 BOOL trusted_config = TRUE;
1503 gid_t *trusted_groups = NULL;
1504 uid_t *trusted_users = NULL;
1505 uschar *timezone_string = US TIMEZONE_DEFAULT;
1506
1507 uschar *unknown_login = NULL;
1508 uschar *unknown_username = NULL;
1509 uschar *untrusted_set_sender = NULL;
1510
1511 /* A regex for matching a "From_" line in an incoming message, in the form
1512
1513 From ph10 Fri Jan 5 12:35 GMT 1996
1514
1515 which the "mail" commands send to the MTA (undocumented, of course), or in
1516 the form
1517
1518 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1519
1520 which is apparently used by some UUCPs, despite it not being in RFC 976.
1521 Because of variations in time formats, just match up to the minutes. That
1522 should be sufficient. Examples have been seen of time fields like 12:1:03,
1523 so just require one digit for hours and minutes. The weekday is also absent
1524 in some forms. */
1525
1526 uschar *uucp_from_pattern = US
1527 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1528 "(?:" /* Non-extracting bracket */
1529 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1530 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1531 ")" /* End alternation */
1532 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1533
1534 uschar *uucp_from_sender = US"$1";
1535
1536 uschar *verify_mode = NULL;
1537 uschar *version_copyright =
1538 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1539 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1540 uschar *version_date = US"?";
1541 uschar *version_cnumber = US"????";
1542 uschar *version_string = US"?";
1543
1544 uschar *warn_message_file = NULL;
1545 int warning_count = 0;
1546 uschar *warnmsg_delay = NULL;
1547 uschar *warnmsg_recipients = NULL;
1548 BOOL write_rejectlog = TRUE;
1549
1550
1551 /* End of globals.c */
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