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