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Support moving messages across named queues. Bug 2456
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2018 */
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. Note that these are
102 only used for smtp connections, not for service-daemon access. */
103
104 tls_support tls_in = {
105 .active = {.sock = -1}
106 /* all other elements zero */
107 };
108 tls_support tls_out = {
109 .active = {.sock = -1},
110 /* all other elements zero */
111 };
112
113 uschar *dsn_envid = NULL;
114 int dsn_ret = 0;
115 const pcre *regex_DSN = NULL;
116 uschar *dsn_advertise_hosts = NULL;
117
118 #ifndef DISABLE_TLS
119 BOOL gnutls_compat_mode = FALSE;
120 BOOL gnutls_allow_auto_pkcs11 = FALSE;
121 uschar *openssl_options = NULL;
122 const pcre *regex_STARTTLS = NULL;
123 uschar *tls_advertise_hosts = US"*";
124 uschar *tls_certificate = NULL;
125 uschar *tls_crl = NULL;
126 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
127 that's the interop problem which has been observed: GnuTLS suggesting a higher
128 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
129 int tls_dh_max_bits = 2236;
130 uschar *tls_dhparam = NULL;
131 uschar *tls_eccurve = US"auto";
132 # ifndef DISABLE_OCSP
133 uschar *tls_ocsp_file = NULL;
134 # endif
135 uschar *tls_privatekey = NULL;
136 BOOL tls_remember_esmtp = FALSE;
137 uschar *tls_require_ciphers = NULL;
138 # ifdef EXPERIMENTAL_TLS_RESUME
139 uschar *tls_resumption_hosts = NULL;
140 # endif
141 uschar *tls_try_verify_hosts = NULL;
142 uschar *tls_verify_certificates= US"system";
143 uschar *tls_verify_hosts = NULL;
144 #else /*DISABLE_TLS*/
145 uschar *tls_advertise_hosts = NULL;
146 #endif
147
148 #ifndef DISABLE_PRDR
149 /* Per Recipient Data Response variables */
150 BOOL prdr_enable = FALSE;
151 BOOL prdr_requested = FALSE;
152 const pcre *regex_PRDR = NULL;
153 #endif
154
155 #ifdef SUPPORT_I18N
156 const pcre *regex_UTF8 = NULL;
157 #endif
158
159 /* Input-reading functions for messages, so we can use special ones for
160 incoming TCP/IP. The defaults use stdin. We never need these for any
161 stand-alone tests. */
162
163 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
164 int (*lwr_receive_getc)(unsigned) = stdin_getc;
165 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
166 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
167 int (*receive_getc)(unsigned) = stdin_getc;
168 uschar * (*receive_getbuf)(unsigned *) = NULL;
169 void (*receive_get_cache)(void)= NULL;
170 int (*receive_ungetc)(int) = stdin_ungetc;
171 int (*receive_feof)(void) = stdin_feof;
172 int (*receive_ferror)(void) = stdin_ferror;
173 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
174 #endif
175
176
177 /* List of per-address expansion variables for clearing and saving/restoring
178 when verifying one address while routing/verifying another. We have to have
179 the size explicit, because it is referenced from more than one module. */
180
181 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
182 CUSS &deliver_address_data,
183 CUSS &deliver_domain,
184 CUSS &deliver_domain_data,
185 CUSS &deliver_domain_orig,
186 CUSS &deliver_domain_parent,
187 CUSS &deliver_localpart,
188 CUSS &deliver_localpart_data,
189 CUSS &deliver_localpart_orig,
190 CUSS &deliver_localpart_parent,
191 CUSS &deliver_localpart_prefix,
192 CUSS &deliver_localpart_suffix,
193 CUSS (uschar **)(&deliver_recipients),
194 CUSS &deliver_host,
195 CUSS &deliver_home,
196 CUSS &address_file,
197 CUSS &address_pipe,
198 CUSS &self_hostname,
199 NULL };
200
201 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
202
203 /******************************************************************************/
204 /* General global variables. Boolean flags are done as a group
205 so that only one bit each is needed, packed, for all those we never
206 need to take a pointer - and only a char for the rest.
207 This means a struct, unfortunately since it clutters the sourcecode. */
208
209 struct global_flags f =
210 {
211 .acl_temp_details = FALSE,
212 .active_local_from_check = FALSE,
213 .active_local_sender_retain = FALSE,
214 .address_test_mode = FALSE,
215 .admin_user = FALSE,
216 .allow_auth_unadvertised= FALSE,
217 .allow_unqualified_recipient = TRUE, /* For local messages */
218 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
219 .authentication_local = FALSE,
220
221 .background_daemon = TRUE,
222
223 .chunking_offered = FALSE,
224 .config_changed = FALSE,
225 .continue_more = FALSE,
226
227 .daemon_listen = FALSE,
228 .debug_daemon = FALSE,
229 .deliver_firsttime = FALSE,
230 .deliver_force = FALSE,
231 .deliver_freeze = FALSE,
232 .deliver_force_thaw = FALSE,
233 .deliver_manual_thaw = FALSE,
234 .deliver_selectstring_regex = FALSE,
235 .deliver_selectstring_sender_regex = FALSE,
236 .disable_callout_flush = FALSE,
237 .disable_delay_flush = FALSE,
238 .disable_logging = FALSE,
239 #ifndef DISABLE_DKIM
240 .dkim_disable_verify = FALSE,
241 #endif
242 #ifdef SUPPORT_DMARC
243 .dmarc_has_been_checked = FALSE,
244 .dmarc_disable_verify = FALSE,
245 .dmarc_enable_forensic = FALSE,
246 #endif
247 .dont_deliver = FALSE,
248 .dot_ends = TRUE,
249
250 .enable_dollar_recipients = FALSE,
251 .expand_string_forcedfail = FALSE,
252
253 .filter_running = FALSE,
254
255 .header_rewritten = FALSE,
256 .helo_verified = FALSE,
257 .helo_verify_failed = FALSE,
258 .host_checking_callout = FALSE,
259 .host_find_failed_syntax= FALSE,
260
261 .inetd_wait_mode = FALSE,
262 .is_inetd = FALSE,
263
264 .local_error_message = FALSE,
265 .log_testing_mode = FALSE,
266
267 #ifdef WITH_CONTENT_SCAN
268 .no_mbox_unspool = FALSE,
269 #endif
270 .no_multiline_responses = FALSE,
271
272 .parse_allow_group = FALSE,
273 .parse_found_group = FALSE,
274 .pipelining_enable = TRUE,
275 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
276 .proxy_session_failed = FALSE,
277 #endif
278
279 .queue_2stage = FALSE,
280 .queue_only_policy = FALSE,
281 .queue_run_first_delivery = FALSE,
282 .queue_run_force = FALSE,
283 .queue_run_local = FALSE,
284 .queue_running = FALSE,
285 .queue_smtp = FALSE,
286
287 .really_exim = TRUE,
288 .receive_call_bombout = FALSE,
289 .recipients_discarded = FALSE,
290 .running_in_test_harness = FALSE,
291
292 .search_find_defer = FALSE,
293 .sender_address_forced = FALSE,
294 .sender_host_notsocket = FALSE,
295 .sender_host_unknown = FALSE,
296 .sender_local = FALSE,
297 .sender_name_forced = FALSE,
298 .sender_set_untrusted = FALSE,
299 .smtp_authenticated = FALSE,
300 #ifdef SUPPORT_PIPE_CONNECT
301 .smtp_in_early_pipe_advertised = FALSE,
302 .smtp_in_early_pipe_no_auth = FALSE,
303 .smtp_in_early_pipe_used = FALSE,
304 #endif
305 .smtp_in_pipelining_advertised = FALSE,
306 .smtp_in_pipelining_used = FALSE,
307 .spool_file_wireformat = FALSE,
308 .submission_mode = FALSE,
309 .suppress_local_fixups = FALSE,
310 .suppress_local_fixups_default = FALSE,
311 .synchronous_delivery = FALSE,
312 .system_filtering = FALSE,
313
314 .tcp_fastopen_ok = FALSE,
315 .tcp_in_fastopen = FALSE,
316 .tcp_in_fastopen_data = FALSE,
317 .tcp_in_fastopen_logged = FALSE,
318 .tcp_out_fastopen_logged= FALSE,
319 .timestamps_utc = FALSE,
320 .transport_filter_timed_out = FALSE,
321 .trusted_caller = FALSE,
322 .trusted_config = TRUE,
323 };
324
325 /******************************************************************************/
326 /* These are the flags which are either variables or mainsection options,
327 so an address is needed for access, or are exported to local_scan. */
328
329 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
330 BOOL allow_domain_literals = FALSE;
331 BOOL allow_mx_to_ip = FALSE;
332 BOOL allow_utf8_domains = FALSE;
333 BOOL authentication_failed = FALSE;
334
335 BOOL bounce_return_body = TRUE;
336 BOOL bounce_return_message = TRUE;
337 BOOL check_rfc2047_length = TRUE;
338 BOOL commandline_checks_require_admin = FALSE;
339
340 #ifdef EXPERIMENTAL_DCC
341 BOOL dcc_direct_add_header = FALSE;
342 #endif
343 BOOL debug_store = FALSE;
344 BOOL delivery_date_remove = TRUE;
345 BOOL deliver_drop_privilege = FALSE;
346 #ifdef ENABLE_DISABLE_FSYNC
347 BOOL disable_fsync = FALSE;
348 #endif
349 BOOL disable_ipv6 = FALSE;
350 BOOL dns_csa_use_reverse = TRUE;
351 BOOL drop_cr = FALSE; /* No longer used */
352
353 BOOL envelope_to_remove = TRUE;
354 BOOL exim_gid_set = TRUE; /* This gid is always set */
355 BOOL exim_uid_set = TRUE; /* This uid is always set */
356 BOOL extract_addresses_remove_arguments = TRUE;
357
358 BOOL host_checking = FALSE;
359 BOOL host_lookup_deferred = FALSE;
360 BOOL host_lookup_failed = FALSE;
361 BOOL ignore_fromline_local = FALSE;
362
363 BOOL local_from_check = TRUE;
364 BOOL local_sender_retain = FALSE;
365 BOOL log_timezone = FALSE;
366 BOOL message_body_newlines = FALSE;
367 BOOL message_logs = TRUE;
368 #ifdef SUPPORT_I18N
369 BOOL message_smtputf8 = FALSE;
370 #endif
371 BOOL mua_wrapper = FALSE;
372
373 BOOL preserve_message_logs = FALSE;
374 BOOL print_topbitchars = FALSE;
375 BOOL prod_requires_admin = TRUE;
376 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
377 BOOL proxy_session = FALSE;
378 #endif
379
380 BOOL queue_list_requires_admin = TRUE;
381 BOOL queue_only = FALSE;
382 BOOL queue_only_load_latch = TRUE;
383 BOOL queue_only_override = TRUE;
384 BOOL queue_run_in_order = FALSE;
385 BOOL recipients_max_reject = FALSE;
386 BOOL return_path_remove = TRUE;
387
388 BOOL smtp_batched_input = FALSE;
389 BOOL sender_helo_dnssec = FALSE;
390 BOOL sender_host_dnssec = FALSE;
391 BOOL smtp_accept_keepalive = TRUE;
392 BOOL smtp_check_spool_space = TRUE;
393 BOOL smtp_enforce_sync = TRUE;
394 BOOL smtp_etrn_serialize = TRUE;
395 BOOL smtp_input = FALSE;
396 BOOL smtp_return_error_details = FALSE;
397 #ifdef SUPPORT_SPF
398 BOOL spf_result_guessed = FALSE;
399 #endif
400 BOOL split_spool_directory = FALSE;
401 BOOL spool_wireformat = FALSE;
402 #ifdef EXPERIMENTAL_SRS
403 BOOL srs_usehash = TRUE;
404 BOOL srs_usetimestamp = TRUE;
405 #endif
406 BOOL strict_acl_vars = FALSE;
407 BOOL strip_excess_angle_brackets = FALSE;
408 BOOL strip_trailing_dot = FALSE;
409 BOOL syslog_duplication = TRUE;
410 BOOL syslog_pid = TRUE;
411 BOOL syslog_timestamp = TRUE;
412 BOOL system_filter_gid_set = FALSE;
413 BOOL system_filter_uid_set = FALSE;
414
415 BOOL tcp_nodelay = TRUE;
416 BOOL write_rejectlog = TRUE;
417
418 /******************************************************************************/
419
420 header_line *acl_added_headers = NULL;
421 tree_node *acl_anchor = NULL;
422 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
423 NULL, NULL, NULL, NULL};
424 int acl_narg = 0;
425
426 int acl_level = 0;
427
428 uschar *acl_not_smtp = NULL;
429 #ifdef WITH_CONTENT_SCAN
430 uschar *acl_not_smtp_mime = NULL;
431 #endif
432 uschar *acl_not_smtp_start = NULL;
433 uschar *acl_removed_headers = NULL;
434 uschar *acl_smtp_auth = NULL;
435 uschar *acl_smtp_connect = NULL;
436 uschar *acl_smtp_data = NULL;
437 #ifndef DISABLE_PRDR
438 uschar *acl_smtp_data_prdr = US"accept";
439 #endif
440 #ifndef DISABLE_DKIM
441 uschar *acl_smtp_dkim = NULL;
442 #endif
443 uschar *acl_smtp_etrn = NULL;
444 uschar *acl_smtp_expn = NULL;
445 uschar *acl_smtp_helo = NULL;
446 uschar *acl_smtp_mail = NULL;
447 uschar *acl_smtp_mailauth = NULL;
448 #ifdef WITH_CONTENT_SCAN
449 uschar *acl_smtp_mime = NULL;
450 #endif
451 uschar *acl_smtp_notquit = NULL;
452 uschar *acl_smtp_predata = NULL;
453 uschar *acl_smtp_quit = NULL;
454 uschar *acl_smtp_rcpt = NULL;
455 uschar *acl_smtp_starttls = NULL;
456 uschar *acl_smtp_vrfy = NULL;
457
458 tree_node *acl_var_c = NULL;
459 tree_node *acl_var_m = NULL;
460 uschar *acl_verify_message = NULL;
461 string_item *acl_warn_logged = NULL;
462
463 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
464 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
465
466 uschar *acl_wherenames[] = { US"RCPT",
467 US"MAIL",
468 US"PREDATA",
469 US"MIME",
470 US"DKIM",
471 US"DATA",
472 #ifndef DISABLE_PRDR
473 US"PRDR",
474 #endif
475 US"non-SMTP",
476 US"AUTH",
477 US"connection",
478 US"ETRN",
479 US"EXPN",
480 US"EHLO or HELO",
481 US"MAILAUTH",
482 US"non-SMTP-start",
483 US"NOTQUIT",
484 US"QUIT",
485 US"STARTTLS",
486 US"VRFY",
487 US"delivery",
488 US"unknown"
489 };
490
491 uschar *acl_wherecodes[] = { US"550", /* RCPT */
492 US"550", /* MAIL */
493 US"550", /* PREDATA */
494 US"550", /* MIME */
495 US"550", /* DKIM */
496 US"550", /* DATA */
497 #ifndef DISABLE_PRDR
498 US"550", /* RCPT PRDR */
499 #endif
500 US"0", /* not SMTP; not relevant */
501 US"503", /* AUTH */
502 US"550", /* connect */
503 US"458", /* ETRN */
504 US"550", /* EXPN */
505 US"550", /* HELO/EHLO */
506 US"0", /* MAILAUTH; not relevant */
507 US"0", /* not SMTP; not relevant */
508 US"0", /* NOTQUIT; not relevant */
509 US"0", /* QUIT; not relevant */
510 US"550", /* STARTTLS */
511 US"252", /* VRFY */
512 US"0", /* delivery; not relevant */
513 US"0" /* unknown; not relevant */
514 };
515
516 uschar *add_environment = NULL;
517 address_item *addr_duplicate = NULL;
518
519 address_item address_defaults = {
520 .next = NULL,
521 .parent = NULL,
522 .first = NULL,
523 .dupof = NULL,
524 .start_router = NULL,
525 .router = NULL,
526 .transport = NULL,
527 .host_list = NULL,
528 .host_used = NULL,
529 .fallback_hosts = NULL,
530 .reply = NULL,
531 .retries = NULL,
532 .address = NULL,
533 .unique = NULL,
534 .cc_local_part = NULL,
535 .lc_local_part = NULL,
536 .local_part = NULL,
537 .prefix = NULL,
538 .suffix = NULL,
539 .domain = NULL,
540 .address_retry_key = NULL,
541 .domain_retry_key = NULL,
542 .current_dir = NULL,
543 .home_dir = NULL,
544 .message = NULL,
545 .user_message = NULL,
546 .onetime_parent = NULL,
547 .pipe_expandn = NULL,
548 .return_filename = NULL,
549 .self_hostname = NULL,
550 .shadow_message = NULL,
551 #ifndef DISABLE_TLS
552 .cipher = NULL,
553 .ourcert = NULL,
554 .peercert = NULL,
555 .peerdn = NULL,
556 .ocsp = OCSP_NOT_REQ,
557 #endif
558 #ifdef EXPERIMENTAL_DSN_INFO
559 .smtp_greeting = NULL,
560 .helo_response = NULL,
561 #endif
562 .authenticator = NULL,
563 .auth_id = NULL,
564 .auth_sndr = NULL,
565 .dsn_orcpt = NULL,
566 .dsn_flags = 0,
567 .dsn_aware = 0,
568 .uid = (uid_t)(-1),
569 .gid = (gid_t)(-1),
570 .flags = { 0 },
571 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
572 .localpart_cache = { 0 }, /* localpart_cache - ditto */
573 .mode = -1,
574 .more_errno = 0,
575 .delivery_usec = 0,
576 .basic_errno = ERRNO_UNKNOWNERROR,
577 .child_count = 0,
578 .return_file = -1,
579 .special_action = SPECIAL_NONE,
580 .transport_return = DEFER,
581 .prop = { /* fields that are propagated to children */
582 .address_data = NULL,
583 .domain_data = NULL,
584 .localpart_data = NULL,
585 .errors_address = NULL,
586 .extra_headers = NULL,
587 .remove_headers = NULL,
588 .variables = NULL,
589 #ifdef EXPERIMENTAL_SRS
590 .srs_sender = NULL,
591 #endif
592 .ignore_error = FALSE,
593 #ifdef SUPPORT_I18N
594 .utf8_msg = FALSE,
595 .utf8_downcvt = FALSE,
596 .utf8_downcvt_maybe = FALSE
597 #endif
598 }
599 };
600
601 uschar *address_file = NULL;
602 uschar *address_pipe = NULL;
603 tree_node *addresslist_anchor = NULL;
604 int addresslist_count = 0;
605 gid_t *admin_groups = NULL;
606
607 #ifdef EXPERIMENTAL_ARC
608 struct arc_set *arc_received = NULL;
609 int arc_received_instance = 0;
610 int arc_oldest_pass = 0;
611 const uschar *arc_state = NULL;
612 const uschar *arc_state_reason = NULL;
613 #endif
614
615 uschar *authenticated_fail_id = NULL;
616 uschar *authenticated_id = NULL;
617 uschar *authenticated_sender = NULL;
618 auth_instance *auths = NULL;
619 uschar *auth_advertise_hosts = US"*";
620 auth_instance auth_defaults = {
621 .next = NULL,
622 .name = NULL,
623 .info = NULL,
624 .options_block = NULL,
625 .driver_name = NULL,
626 .advertise_condition = NULL,
627 .client_condition = NULL,
628 .public_name = NULL,
629 .set_id = NULL,
630 .set_client_id = NULL,
631 .mail_auth_condition = NULL,
632 .server_debug_string = NULL,
633 .server_condition = NULL,
634 .client = FALSE,
635 .server = FALSE,
636 .advertised = FALSE
637 };
638
639 uschar *auth_defer_msg = US"reason not recorded";
640 uschar *auth_defer_user_msg = US"";
641 uschar *auth_vars[AUTH_VARS];
642 int auto_thaw = 0;
643 #ifdef WITH_CONTENT_SCAN
644 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
645 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
646 #endif
647
648 #if BASE_62 == 62
649 uschar *base62_chars=
650 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
651 #else
652 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
653 #endif
654
655 uschar *bi_command = NULL;
656 uschar *big_buffer = NULL;
657 int big_buffer_size = BIG_BUFFER_SIZE;
658 #ifdef EXPERIMENTAL_BRIGHTMAIL
659 uschar *bmi_alt_location = NULL;
660 uschar *bmi_base64_tracker_verdict = NULL;
661 uschar *bmi_base64_verdict = NULL;
662 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
663 int bmi_deliver = 1;
664 int bmi_run = 0;
665 uschar *bmi_verdicts = NULL;
666 #endif
667 int bsmtp_transaction_linecount = 0;
668 int body_8bitmime = 0;
669 int body_linecount = 0;
670 int body_zerocount = 0;
671 uschar *bounce_message_file = NULL;
672 uschar *bounce_message_text = NULL;
673 uschar *bounce_recipient = NULL;
674 int bounce_return_linesize_limit = 998;
675 int bounce_return_size_limit = 100*1024;
676 uschar *bounce_sender_authentication = NULL;
677
678 uschar *callout_address = NULL;
679 int callout_cache_domain_positive_expire = 7*24*60*60;
680 int callout_cache_domain_negative_expire = 3*60*60;
681 int callout_cache_positive_expire = 24*60*60;
682 int callout_cache_negative_expire = 2*60*60;
683 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
684 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
685 int check_log_inodes = 100;
686 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
687 int check_spool_inodes = 100;
688 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
689
690 uschar *chunking_advertise_hosts = US"*";
691 unsigned chunking_datasize = 0;
692 unsigned chunking_data_left = 0;
693 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
694 const pcre *regex_CHUNKING = NULL;
695
696 uschar *client_authenticator = NULL;
697 uschar *client_authenticated_id = NULL;
698 uschar *client_authenticated_sender = NULL;
699 int clmacro_count = 0;
700 uschar *clmacros[MAX_CLMACROS];
701 FILE *config_file = NULL;
702 const uschar *config_filename = NULL;
703 int config_lineno = 0;
704 #ifdef CONFIGURE_GROUP
705 gid_t config_gid = CONFIGURE_GROUP;
706 #else
707 gid_t config_gid = 0;
708 #endif
709 uschar *config_main_filelist = US CONFIGURE_FILE
710 "\0<-----------Space to patch configure_filename->";
711 uschar *config_main_filename = NULL;
712 uschar *config_main_directory = NULL;
713
714 #ifdef CONFIGURE_OWNER
715 uid_t config_uid = CONFIGURE_OWNER;
716 #else
717 uid_t config_uid = 0;
718 #endif
719
720 int connection_max_messages= -1;
721 uschar *continue_proxy_cipher = NULL;
722 uschar *continue_hostname = NULL;
723 uschar *continue_host_address = NULL;
724 int continue_sequence = 1;
725 uschar *continue_transport = NULL;
726
727 uschar *csa_status = NULL;
728 cut_t cutthrough = {
729 .callout_hold_only = FALSE, /* verify-only: normal delivery */
730 .delivery = FALSE, /* when to attempt */
731 .defer_pass = FALSE, /* on defer: spool locally */
732 .is_tls = FALSE, /* not a TLS conn yet */
733 .cctx = {.sock = -1}, /* open connection */
734 .nrcpt = 0, /* number of addresses */
735 };
736
737 uschar *daemon_smtp_port = US"smtp";
738 int daemon_startup_retries = 9;
739 int daemon_startup_sleep = 30;
740
741 #ifdef EXPERIMENTAL_DCC
742 uschar *dcc_header = NULL;
743 uschar *dcc_result = NULL;
744 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
745 uschar *dccifd_options = US"header";
746 #endif
747
748 int debug_fd = -1;
749 FILE *debug_file = NULL;
750 int debug_notall[] = {
751 Di_memory,
752 Di_noutf8,
753 -1
754 };
755 bit_table debug_options[] = { /* must be in alphabetical order and use
756 only the enum values from macro.h */
757 BIT_TABLE(D, acl),
758 BIT_TABLE(D, all),
759 BIT_TABLE(D, auth),
760 BIT_TABLE(D, deliver),
761 BIT_TABLE(D, dns),
762 BIT_TABLE(D, dnsbl),
763 BIT_TABLE(D, exec),
764 BIT_TABLE(D, expand),
765 BIT_TABLE(D, filter),
766 BIT_TABLE(D, hints_lookup),
767 BIT_TABLE(D, host_lookup),
768 BIT_TABLE(D, ident),
769 BIT_TABLE(D, interface),
770 BIT_TABLE(D, lists),
771 BIT_TABLE(D, load),
772 BIT_TABLE(D, local_scan),
773 BIT_TABLE(D, lookup),
774 BIT_TABLE(D, memory),
775 BIT_TABLE(D, noutf8),
776 BIT_TABLE(D, pid),
777 BIT_TABLE(D, process_info),
778 BIT_TABLE(D, queue_run),
779 BIT_TABLE(D, receive),
780 BIT_TABLE(D, resolver),
781 BIT_TABLE(D, retry),
782 BIT_TABLE(D, rewrite),
783 BIT_TABLE(D, route),
784 BIT_TABLE(D, timestamp),
785 BIT_TABLE(D, tls),
786 BIT_TABLE(D, transport),
787 BIT_TABLE(D, uid),
788 BIT_TABLE(D, verify),
789 };
790 int debug_options_count = nelem(debug_options);
791
792 unsigned int debug_selector = 0;
793 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
794 uschar *delay_warning_condition=
795 US"${if or {"
796 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
797 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
798 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
799 "} {no}{yes}}";
800 uschar *deliver_address_data = NULL;
801 int deliver_datafile = -1;
802 const uschar *deliver_domain = NULL;
803 uschar *deliver_domain_data = NULL;
804 const uschar *deliver_domain_orig = NULL;
805 const uschar *deliver_domain_parent = NULL;
806 time_t deliver_frozen_at = 0;
807 uschar *deliver_home = NULL;
808 const uschar *deliver_host = NULL;
809 const uschar *deliver_host_address = NULL;
810 int deliver_host_port = 0;
811 uschar *deliver_in_buffer = NULL;
812 ino_t deliver_inode = 0;
813 uschar *deliver_localpart = NULL;
814 uschar *deliver_localpart_data = NULL;
815 uschar *deliver_localpart_orig = NULL;
816 uschar *deliver_localpart_parent = NULL;
817 uschar *deliver_localpart_prefix = NULL;
818 uschar *deliver_localpart_suffix = NULL;
819 uschar *deliver_out_buffer = NULL;
820 int deliver_queue_load_max = -1;
821 address_item *deliver_recipients = NULL;
822 uschar *deliver_selectstring = NULL;
823 uschar *deliver_selectstring_sender = NULL;
824
825 #ifndef DISABLE_DKIM
826 unsigned dkim_collect_input = 0;
827 uschar *dkim_cur_signer = NULL;
828 int dkim_key_length = 0;
829 void *dkim_signatures = NULL;
830 uschar *dkim_signers = NULL;
831 uschar *dkim_signing_domain = NULL;
832 uschar *dkim_signing_selector = NULL;
833 uschar *dkim_verify_hashes = US"sha256:sha512:sha1";
834 uschar *dkim_verify_keytypes = US"ed25519:rsa";
835 BOOL dkim_verify_minimal = FALSE;
836 uschar *dkim_verify_overall = NULL;
837 uschar *dkim_verify_signers = US"$dkim_signers";
838 uschar *dkim_verify_status = NULL;
839 uschar *dkim_verify_reason = NULL;
840 #endif
841 #ifdef SUPPORT_DMARC
842 uschar *dmarc_domain_policy = NULL;
843 uschar *dmarc_forensic_sender = NULL;
844 uschar *dmarc_history_file = NULL;
845 uschar *dmarc_status = NULL;
846 uschar *dmarc_status_text = NULL;
847 uschar *dmarc_tld_file = US DMARC_TLD_FILE;
848 uschar *dmarc_used_domain = NULL;
849 #endif
850
851 uschar *dns_again_means_nonexist = NULL;
852 int dns_csa_search_limit = 5;
853 int dns_cname_loops = 1;
854 #ifdef SUPPORT_DANE
855 int dns_dane_ok = -1;
856 #endif
857 uschar *dns_ipv4_lookup = NULL;
858 int dns_retrans = 0;
859 int dns_retry = 0;
860 int dns_dnssec_ok = -1; /* <0 = not coerced */
861 uschar *dns_trust_aa = NULL;
862 int dns_use_edns0 = -1; /* <0 = not coerced */
863 uschar *dnslist_domain = NULL;
864 uschar *dnslist_matched = NULL;
865 uschar *dnslist_text = NULL;
866 uschar *dnslist_value = NULL;
867 tree_node *domainlist_anchor = NULL;
868 int domainlist_count = 0;
869 uschar *dsn_from = US DEFAULT_DSN_FROM;
870
871 int errno_quota = ERRNO_QUOTA;
872 uschar *errors_copy = NULL;
873 int error_handling = ERRORS_SENDER;
874 uschar *errors_reply_to = NULL;
875 int errors_sender_rc = EXIT_FAILURE;
876 #ifndef DISABLE_EVENT
877 uschar *event_action = NULL; /* expansion for delivery events */
878 uschar *event_data = NULL; /* auxiliary data variable for event */
879 int event_defer_errno = 0;
880 const uschar *event_name = NULL; /* event name variable */
881 #endif
882
883
884 gid_t exim_gid = EXIM_GID;
885 uschar *exim_path = US BIN_DIRECTORY "/exim"
886 "\0<---------------Space to patch exim_path->";
887 uid_t exim_uid = EXIM_UID;
888 int expand_level = 0; /* Nesting depth, indent for debug */
889 int expand_forbid = 0;
890 int expand_nlength[EXPAND_MAXN+1];
891 int expand_nmax = -1;
892 uschar *expand_nstring[EXPAND_MAXN+1];
893 uschar *expand_string_message;
894 uschar *extra_local_interfaces = NULL;
895
896 int fake_response = OK;
897 uschar *fake_response_text = US"Your message has been rejected but is "
898 "being kept for evaluation.\nIf it was a "
899 "legitimate message, it may still be "
900 "delivered to the target recipient(s).";
901 int filter_n[FILTER_VARIABLE_COUNT];
902 int filter_sn[FILTER_VARIABLE_COUNT];
903 int filter_test = FTEST_NONE;
904 uschar *filter_test_sfile = NULL;
905 uschar *filter_test_ufile = NULL;
906 uschar *filter_thisaddress = NULL;
907 int finduser_retries = 0;
908 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
909 uschar *freeze_tell = NULL;
910 uschar *freeze_tell_config = NULL;
911 uschar *fudged_queue_times = US"";
912
913 uschar *gecos_name = NULL;
914 uschar *gecos_pattern = NULL;
915 rewrite_rule *global_rewrite_rules = NULL;
916
917 volatile sig_atomic_t had_command_timeout = 0;
918 volatile sig_atomic_t had_command_sigterm = 0;
919 volatile sig_atomic_t had_data_timeout = 0;
920 volatile sig_atomic_t had_data_sigint = 0;
921 uschar *headers_charset = US HEADERS_CHARSET;
922 int header_insert_maxlen = 64 * 1024;
923 header_line *header_last = NULL;
924 header_line *header_list = NULL;
925 int header_maxsize = HEADER_MAXSIZE;
926 int header_line_maxsize = 0;
927
928 header_name header_names[] = {
929 /* name len allow_resent htype */
930 { US"bcc", 3, TRUE, htype_bcc },
931 { US"cc", 2, TRUE, htype_cc },
932 { US"date", 4, TRUE, htype_date },
933 { US"delivery-date", 13, FALSE, htype_delivery_date },
934 { US"envelope-to", 11, FALSE, htype_envelope_to },
935 { US"from", 4, TRUE, htype_from },
936 { US"message-id", 10, TRUE, htype_id },
937 { US"received", 8, FALSE, htype_received },
938 { US"reply-to", 8, FALSE, htype_reply_to },
939 { US"return-path", 11, FALSE, htype_return_path },
940 { US"sender", 6, TRUE, htype_sender },
941 { US"subject", 7, FALSE, htype_subject },
942 { US"to", 2, TRUE, htype_to }
943 };
944
945 int header_names_size = nelem(header_names);
946
947 uschar *helo_accept_junk_hosts = NULL;
948 uschar *helo_allow_chars = US"";
949 uschar *helo_lookup_domains = US"@ : @[]";
950 uschar *helo_try_verify_hosts = NULL;
951 uschar *helo_verify_hosts = NULL;
952 const uschar *hex_digits = CUS"0123456789abcdef";
953 uschar *hold_domains = NULL;
954 uschar *host_data = NULL;
955 uschar *host_lookup = NULL;
956 uschar *host_lookup_order = US"bydns:byaddr";
957 uschar *host_lookup_msg = US"";
958 int host_number = 0;
959 uschar *host_number_string = NULL;
960 uschar *host_reject_connection = NULL;
961 tree_node *hostlist_anchor = NULL;
962 int hostlist_count = 0;
963 uschar *hosts_treat_as_local = NULL;
964 uschar *hosts_connection_nolog = NULL;
965
966 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
967 uschar *ignore_fromline_hosts = NULL;
968 int inetd_wait_timeout = -1;
969 uschar *initial_cwd = NULL;
970 uschar *interface_address = NULL;
971 int interface_port = -1;
972 uschar *iterate_item = NULL;
973
974 int journal_fd = -1;
975
976 uschar *keep_environment = NULL;
977
978 int keep_malformed = 4*24*60*60; /* 4 days */
979
980 uschar *eldap_dn = NULL;
981 int load_average = -2;
982 uschar *local_from_prefix = NULL;
983 uschar *local_from_suffix = NULL;
984
985 #if HAVE_IPV6
986 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
987 #else
988 uschar *local_interfaces = US"0.0.0.0";
989 #endif
990
991 #ifdef HAVE_LOCAL_SCAN
992 uschar *local_scan_data = NULL;
993 int local_scan_timeout = 5*60;
994 #endif
995 gid_t local_user_gid = (gid_t)(-1);
996 uid_t local_user_uid = (uid_t)(-1);
997
998 tree_node *localpartlist_anchor= NULL;
999 int localpartlist_count = 0;
1000 uschar *log_buffer = NULL;
1001
1002 int log_default[] = { /* for initializing log_selector */
1003 Li_acl_warn_skipped,
1004 Li_connection_reject,
1005 Li_delay_delivery,
1006 Li_dkim,
1007 Li_dnslist_defer,
1008 Li_etrn,
1009 Li_host_lookup_failed,
1010 Li_lost_incoming_connection,
1011 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1012 Li_msg_id,
1013 Li_queue_run,
1014 Li_rejected_header,
1015 Li_retry_defer,
1016 Li_sender_verify_fail,
1017 Li_size_reject,
1018 Li_skip_delivery,
1019 Li_smtp_confirmation,
1020 Li_tls_certificate_verified,
1021 Li_tls_cipher,
1022 -1
1023 };
1024
1025 uschar *log_file_path = US LOG_FILE_PATH
1026 "\0<--------------Space to patch log_file_path->";
1027
1028 int log_notall[] = {
1029 -1
1030 };
1031 bit_table log_options[] = { /* must be in alphabetical order,
1032 with definitions from enum logbit. */
1033 BIT_TABLE(L, 8bitmime),
1034 BIT_TABLE(L, acl_warn_skipped),
1035 BIT_TABLE(L, address_rewrite),
1036 BIT_TABLE(L, all),
1037 BIT_TABLE(L, all_parents),
1038 BIT_TABLE(L, arguments),
1039 BIT_TABLE(L, connection_reject),
1040 BIT_TABLE(L, delay_delivery),
1041 BIT_TABLE(L, deliver_time),
1042 BIT_TABLE(L, delivery_size),
1043 #ifndef DISABLE_DKIM
1044 BIT_TABLE(L, dkim),
1045 BIT_TABLE(L, dkim_verbose),
1046 #endif
1047 BIT_TABLE(L, dnslist_defer),
1048 BIT_TABLE(L, dnssec),
1049 BIT_TABLE(L, etrn),
1050 BIT_TABLE(L, host_lookup_failed),
1051 BIT_TABLE(L, ident_timeout),
1052 BIT_TABLE(L, incoming_interface),
1053 BIT_TABLE(L, incoming_port),
1054 BIT_TABLE(L, lost_incoming_connection),
1055 BIT_TABLE(L, millisec),
1056 BIT_TABLE(L, msg_id),
1057 BIT_TABLE(L, msg_id_created),
1058 BIT_TABLE(L, outgoing_interface),
1059 BIT_TABLE(L, outgoing_port),
1060 BIT_TABLE(L, pid),
1061 BIT_TABLE(L, pipelining),
1062 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1063 BIT_TABLE(L, proxy),
1064 #endif
1065 BIT_TABLE(L, queue_run),
1066 BIT_TABLE(L, queue_time),
1067 BIT_TABLE(L, queue_time_overall),
1068 BIT_TABLE(L, receive_time),
1069 BIT_TABLE(L, received_recipients),
1070 BIT_TABLE(L, received_sender),
1071 BIT_TABLE(L, rejected_header),
1072 { US"rejected_headers", Li_rejected_header },
1073 BIT_TABLE(L, retry_defer),
1074 BIT_TABLE(L, return_path_on_delivery),
1075 BIT_TABLE(L, sender_on_delivery),
1076 BIT_TABLE(L, sender_verify_fail),
1077 BIT_TABLE(L, size_reject),
1078 BIT_TABLE(L, skip_delivery),
1079 BIT_TABLE(L, smtp_confirmation),
1080 BIT_TABLE(L, smtp_connection),
1081 BIT_TABLE(L, smtp_incomplete_transaction),
1082 BIT_TABLE(L, smtp_mailauth),
1083 BIT_TABLE(L, smtp_no_mail),
1084 BIT_TABLE(L, smtp_protocol_error),
1085 BIT_TABLE(L, smtp_syntax_error),
1086 BIT_TABLE(L, subject),
1087 BIT_TABLE(L, tls_certificate_verified),
1088 BIT_TABLE(L, tls_cipher),
1089 BIT_TABLE(L, tls_peerdn),
1090 BIT_TABLE(L, tls_resumption),
1091 BIT_TABLE(L, tls_sni),
1092 BIT_TABLE(L, unknown_in_list),
1093 };
1094 int log_options_count = nelem(log_options);
1095
1096 int log_reject_target = 0;
1097 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1098 uschar *log_selector_string = NULL;
1099 FILE *log_stderr = NULL;
1100 uschar *login_sender_address = NULL;
1101 uschar *lookup_dnssec_authenticated = NULL;
1102 int lookup_open_max = 25;
1103 uschar *lookup_value = NULL;
1104
1105 macro_item *macros_user = NULL;
1106 uschar *mailstore_basename = NULL;
1107 #ifdef WITH_CONTENT_SCAN
1108 uschar *malware_name = NULL; /* Virus Name */
1109 #endif
1110 int max_received_linelength= 0;
1111 int max_username_length = 0;
1112 int message_age = 0;
1113 uschar *message_body = NULL;
1114 uschar *message_body_end = NULL;
1115 int message_body_size = 0;
1116 int message_body_visible = 500;
1117 int message_ended = END_NOTSTARTED;
1118 uschar *message_headers = NULL;
1119 uschar *message_id;
1120 uschar *message_id_domain = NULL;
1121 uschar *message_id_text = NULL;
1122 struct timeval message_id_tv = { 0, 0 };
1123 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1124 uschar *message_id_external;
1125 int message_linecount = 0;
1126 int message_size = 0;
1127 uschar *message_size_limit = US"50M";
1128 #ifdef SUPPORT_I18N
1129 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1130 #endif
1131 uschar message_subdir[2] = { 0, 0 };
1132 uschar *message_reference = NULL;
1133
1134 /* MIME ACL expandables */
1135 #ifdef WITH_CONTENT_SCAN
1136 int mime_anomaly_level = 0;
1137 const uschar *mime_anomaly_text = NULL;
1138 uschar *mime_boundary = NULL;
1139 uschar *mime_charset = NULL;
1140 uschar *mime_content_description = NULL;
1141 uschar *mime_content_disposition = NULL;
1142 uschar *mime_content_id = NULL;
1143 unsigned int mime_content_size = 0;
1144 uschar *mime_content_transfer_encoding = NULL;
1145 uschar *mime_content_type = NULL;
1146 uschar *mime_decoded_filename = NULL;
1147 uschar *mime_filename = NULL;
1148 int mime_is_multipart = 0;
1149 int mime_is_coverletter = 0;
1150 int mime_is_rfc822 = 0;
1151 int mime_part_count = -1;
1152 #endif
1153
1154 uid_t *never_users = NULL;
1155
1156 const int on = 1; /* for setsockopt */
1157 const int off = 0;
1158
1159 uid_t original_euid;
1160 gid_t originator_gid;
1161 uschar *originator_login = NULL;
1162 uschar *originator_name = NULL;
1163 uid_t originator_uid;
1164 uschar *override_local_interfaces = NULL;
1165 uschar *override_pid_file_path = NULL;
1166
1167 uschar *percent_hack_domains = NULL;
1168 uschar *pid_file_path = US PID_FILE_PATH
1169 "\0<--------------Space to patch pid_file_path->";
1170 #ifdef SUPPORT_PIPE_CONNECT
1171 uschar *pipe_connect_advertise_hosts = US"*";
1172 #endif
1173 uschar *pipelining_advertise_hosts = US"*";
1174 uschar *primary_hostname = NULL;
1175 uschar *process_info;
1176 int process_info_len = 0;
1177 uschar *process_log_path = NULL;
1178
1179 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1180 uschar *hosts_proxy = NULL;
1181 uschar *proxy_external_address = NULL;
1182 int proxy_external_port = 0;
1183 uschar *proxy_local_address = NULL;
1184 int proxy_local_port = 0;
1185 #endif
1186
1187 uschar *prvscheck_address = NULL;
1188 uschar *prvscheck_keynum = NULL;
1189 uschar *prvscheck_result = NULL;
1190
1191
1192 const uschar *qualify_domain_recipient = NULL;
1193 uschar *qualify_domain_sender = NULL;
1194 uschar *queue_domains = NULL;
1195 int queue_interval = -1;
1196 uschar *queue_name = US"";
1197 uschar *queue_name_dest = NULL;
1198 uschar *queue_only_file = NULL;
1199 int queue_only_load = -1;
1200 uschar *queue_run_max = US"5";
1201 pid_t queue_run_pid = (pid_t)0;
1202 int queue_run_pipe = -1;
1203 uschar *queue_smtp_domains = NULL;
1204
1205 uint32_t random_seed = 0;
1206 tree_node *ratelimiters_cmd = NULL;
1207 tree_node *ratelimiters_conn = NULL;
1208 tree_node *ratelimiters_mail = NULL;
1209 uschar *raw_active_hostname = NULL;
1210 uschar *raw_sender = NULL;
1211 uschar **raw_recipients = NULL;
1212 int raw_recipients_count = 0;
1213
1214 int rcpt_count = 0;
1215 int rcpt_fail_count = 0;
1216 int rcpt_defer_count = 0;
1217 gid_t real_gid;
1218 uid_t real_uid;
1219 int receive_linecount = 0;
1220 int receive_messagecount = 0;
1221 int receive_timeout = 0;
1222 int received_count = 0;
1223 uschar *received_for = NULL;
1224
1225 /* This is the default text for Received headers generated by Exim. The
1226 date will be automatically added on the end. */
1227
1228 uschar *received_header_text = US
1229 "Received: "
1230 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1231 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1232 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1233 "by $primary_hostname "
1234 "${if def:received_protocol {with $received_protocol }}"
1235 #ifndef DISABLE_TLS
1236 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1237 #endif
1238 "(Exim $version_number)\n\t"
1239 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1240 "id $message_exim_id"
1241 "${if def:received_for {\n\tfor $received_for}}"
1242 "\0<---------------Space to patch received_header_text->";
1243
1244 int received_headers_max = 30;
1245 uschar *received_protocol = NULL;
1246 struct timeval received_time = { 0, 0 };
1247 struct timeval received_time_taken = { 0, 0 };
1248 uschar *recipient_data = NULL;
1249 uschar *recipient_unqualified_hosts = NULL;
1250 uschar *recipient_verify_failure = NULL;
1251 int recipients_count = 0;
1252 recipient_item *recipients_list = NULL;
1253 int recipients_list_max = 0;
1254 int recipients_max = 0;
1255 const pcre *regex_AUTH = NULL;
1256 const pcre *regex_check_dns_names = NULL;
1257 const pcre *regex_From = NULL;
1258 const pcre *regex_IGNOREQUOTA = NULL;
1259 const pcre *regex_PIPELINING = NULL;
1260 const pcre *regex_SIZE = NULL;
1261 #ifdef SUPPORT_PIPE_CONNECT
1262 const pcre *regex_EARLY_PIPE = NULL;
1263 #endif
1264 const pcre *regex_ismsgid = NULL;
1265 const pcre *regex_smtp_code = NULL;
1266 uschar *regex_vars[REGEX_VARS];
1267 #ifdef WHITELIST_D_MACROS
1268 const pcre *regex_whitelisted_macro = NULL;
1269 #endif
1270 #ifdef WITH_CONTENT_SCAN
1271 uschar *regex_match_string = NULL;
1272 #endif
1273 int remote_delivery_count = 0;
1274 int remote_max_parallel = 2;
1275 uschar *remote_sort_domains = NULL;
1276 int retry_data_expire = 7*24*60*60;
1277 int retry_interval_max = 24*60*60;
1278 int retry_maximum_timeout = 0; /* set from retry config */
1279 retry_config *retries = NULL;
1280 uschar *return_path = NULL;
1281 int rewrite_existflags = 0;
1282 uschar *rfc1413_hosts = US"@[]";
1283 int rfc1413_query_timeout = 0;
1284 uid_t root_gid = ROOT_GID;
1285 uid_t root_uid = ROOT_UID;
1286
1287 router_instance *routers = NULL;
1288 router_instance router_defaults = {
1289 .next = NULL,
1290 .name = NULL,
1291 .info = NULL,
1292 .options_block = NULL,
1293 .driver_name = NULL,
1294
1295 .address_data = NULL,
1296 #ifdef EXPERIMENTAL_BRIGHTMAIL
1297 .bmi_rule = NULL,
1298 #endif
1299 .cannot_route_message = NULL,
1300 .condition = NULL,
1301 .current_directory = NULL,
1302 .debug_string = NULL,
1303 .domains = NULL,
1304 .errors_to = NULL,
1305 .expand_gid = NULL,
1306 .expand_uid = NULL,
1307 .expand_more = NULL,
1308 .expand_unseen = NULL,
1309 .extra_headers = NULL,
1310 .fallback_hosts = NULL,
1311 .home_directory = NULL,
1312 .ignore_target_hosts = NULL,
1313 .local_parts = NULL,
1314 .pass_router_name = NULL,
1315 .prefix = NULL,
1316 .redirect_router_name = NULL,
1317 .remove_headers = NULL,
1318 .require_files = NULL,
1319 .router_home_directory = NULL,
1320 .self = US"freeze",
1321 .senders = NULL,
1322 .suffix = NULL,
1323 .translate_ip_address = NULL,
1324 .transport_name = NULL,
1325
1326 .address_test = TRUE,
1327 #ifdef EXPERIMENTAL_BRIGHTMAIL
1328 .bmi_deliver_alternate = FALSE,
1329 .bmi_deliver_default = FALSE,
1330 .bmi_dont_deliver = FALSE,
1331 #endif
1332 .expn = TRUE,
1333 .caseful_local_part = FALSE,
1334 .check_local_user = FALSE,
1335 .disable_logging = FALSE,
1336 .fail_verify_recipient = FALSE,
1337 .fail_verify_sender = FALSE,
1338 .gid_set = FALSE,
1339 .initgroups = FALSE,
1340 .log_as_local = TRUE_UNSET,
1341 .more = TRUE,
1342 .pass_on_timeout = FALSE,
1343 .prefix_optional = FALSE,
1344 .repeat_use = TRUE,
1345 .retry_use_local_part = TRUE_UNSET,
1346 .same_domain_copy_routing = FALSE,
1347 .self_rewrite = FALSE,
1348 .set = NULL,
1349 .suffix_optional = FALSE,
1350 .verify_only = FALSE,
1351 .verify_recipient = TRUE,
1352 .verify_sender = TRUE,
1353 .uid_set = FALSE,
1354 .unseen = FALSE,
1355 .dsn_lasthop = FALSE,
1356
1357 .self_code = self_freeze,
1358 .uid = (uid_t)(-1),
1359 .gid = (gid_t)(-1),
1360
1361 .fallback_hostlist = NULL,
1362 .transport = NULL,
1363 .pass_router = NULL,
1364 .redirect_router = NULL,
1365
1366 .dnssec = { .request= US"*", .require=NULL },
1367 };
1368
1369 uschar *router_name = NULL;
1370 tree_node *router_var = NULL;
1371
1372 ip_address_item *running_interfaces = NULL;
1373
1374 /* This is a weird one. The following string gets patched in the binary by the
1375 script that sets up a copy of Exim for running in the test harness. It seems
1376 that compilers are now clever, and share constant strings if they can.
1377 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1378 make use of the end of this string in order to save space. So the patching then
1379 wrecks this. We defeat this optimization by adding some additional characters
1380 onto the end of the string. */
1381
1382 uschar *running_status = US">>>running<<<" "\0EXTRA";
1383
1384 int runrc = 0;
1385
1386 uschar *search_error_message = NULL;
1387 uschar *self_hostname = NULL;
1388 uschar *sender_address = NULL;
1389 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1390 uschar *sender_address_data = NULL;
1391 uschar *sender_address_unrewritten = NULL;
1392 uschar *sender_data = NULL;
1393 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1394 uschar *sender_fullhost = NULL;
1395 uschar *sender_helo_name = NULL;
1396 uschar **sender_host_aliases = &no_aliases;
1397 uschar *sender_host_address = NULL;
1398 uschar *sender_host_authenticated = NULL;
1399 uschar *sender_host_auth_pubname = NULL;
1400 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1401 uschar *sender_host_name = NULL;
1402 int sender_host_port = 0;
1403 uschar *sender_ident = NULL;
1404 uschar *sender_rate = NULL;
1405 uschar *sender_rate_limit = NULL;
1406 uschar *sender_rate_period = NULL;
1407 uschar *sender_rcvhost = NULL;
1408 uschar *sender_unqualified_hosts = NULL;
1409 uschar *sender_verify_failure = NULL;
1410 address_item *sender_verified_list = NULL;
1411 address_item *sender_verified_failed = NULL;
1412 int sender_verified_rc = -1;
1413 uschar *sending_ip_address = NULL;
1414 int sending_port = -1;
1415 SIGNAL_BOOL sigalrm_seen = FALSE;
1416 const uschar *sigalarm_setter = NULL;
1417 uschar **sighup_argv = NULL;
1418 int slow_lookup_log = 0; /* millisecs, zero disables */
1419 int smtp_accept_count = 0;
1420 int smtp_accept_max = 20;
1421 int smtp_accept_max_nonmail= 10;
1422 uschar *smtp_accept_max_nonmail_hosts = US"*";
1423 int smtp_accept_max_per_connection = 1000;
1424 uschar *smtp_accept_max_per_host = NULL;
1425 int smtp_accept_queue = 0;
1426 int smtp_accept_queue_per_connection = 10;
1427 int smtp_accept_reserve = 0;
1428 uschar *smtp_active_hostname = NULL;
1429 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1430 "Exim $version_number $tod_full"
1431 "\0<---------------Space to patch smtp_banner->";
1432 int smtp_ch_index = 0;
1433 uschar *smtp_cmd_argument = NULL;
1434 uschar *smtp_cmd_buffer = NULL;
1435 struct timeval smtp_connection_start = {0,0};
1436 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1437 int smtp_connect_backlog = 20;
1438 double smtp_delay_mail = 0.0;
1439 double smtp_delay_rcpt = 0.0;
1440 FILE *smtp_in = NULL;
1441 int smtp_load_reserve = -1;
1442 int smtp_mailcmd_count = 0;
1443 FILE *smtp_out = NULL;
1444 uschar *smtp_etrn_command = NULL;
1445 int smtp_max_synprot_errors= 3;
1446 int smtp_max_unknown_commands = 3;
1447 uschar *smtp_notquit_reason = NULL;
1448 uschar *smtp_ratelimit_hosts = NULL;
1449 uschar *smtp_ratelimit_mail = NULL;
1450 uschar *smtp_ratelimit_rcpt = NULL;
1451 uschar *smtp_read_error = US"";
1452 int smtp_receive_timeout = 5*60;
1453 uschar *smtp_receive_timeout_s = NULL;
1454 uschar *smtp_reserve_hosts = NULL;
1455 int smtp_rlm_base = 0;
1456 double smtp_rlm_factor = 0.0;
1457 int smtp_rlm_limit = 0;
1458 int smtp_rlm_threshold = INT_MAX;
1459 int smtp_rlr_base = 0;
1460 double smtp_rlr_factor = 0.0;
1461 int smtp_rlr_limit = 0;
1462 int smtp_rlr_threshold = INT_MAX;
1463 unsigned smtp_peer_options = 0;
1464 unsigned smtp_peer_options_wrap= 0;
1465 #ifdef SUPPORT_I18N
1466 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1467 #endif
1468
1469 #ifdef WITH_CONTENT_SCAN
1470 uschar *spamd_address = US"127.0.0.1 783";
1471 uschar *spam_bar = NULL;
1472 uschar *spam_report = NULL;
1473 uschar *spam_action = NULL;
1474 uschar *spam_score = NULL;
1475 uschar *spam_score_int = NULL;
1476 #endif
1477 #ifdef SUPPORT_SPF
1478 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1479 uschar *spf_header_comment = NULL;
1480 uschar *spf_received = NULL;
1481 uschar *spf_result = NULL;
1482 uschar *spf_smtp_comment = NULL;
1483 #endif
1484
1485 FILE *spool_data_file = NULL;
1486 uschar *spool_directory = US SPOOL_DIRECTORY
1487 "\0<--------------Space to patch spool_directory->";
1488 #ifdef EXPERIMENTAL_SRS
1489 uschar *srs_config = NULL;
1490 uschar *srs_db_address = NULL;
1491 uschar *srs_db_key = NULL;
1492 int srs_hashlength = 6;
1493 int srs_hashmin = -1;
1494 int srs_maxage = 31;
1495 uschar *srs_orig_recipient = NULL;
1496 uschar *srs_orig_sender = NULL;
1497 uschar *srs_recipient = NULL;
1498 uschar *srs_secrets = NULL;
1499 uschar *srs_status = NULL;
1500 #endif
1501 int string_datestamp_offset= -1;
1502 int string_datestamp_length= 0;
1503 int string_datestamp_type = -1;
1504 uschar *submission_domain = NULL;
1505 uschar *submission_name = NULL;
1506 int syslog_facility = LOG_MAIL;
1507 uschar *syslog_processname = US"exim";
1508 uschar *system_filter = NULL;
1509
1510 uschar *system_filter_directory_transport = NULL;
1511 uschar *system_filter_file_transport = NULL;
1512 uschar *system_filter_pipe_transport = NULL;
1513 uschar *system_filter_reply_transport = NULL;
1514
1515 gid_t system_filter_gid = 0;
1516 uid_t system_filter_uid = (uid_t)-1;
1517
1518 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1519 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1520 #ifdef USE_TCP_WRAPPERS
1521 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1522 #endif
1523 int test_harness_load_avg = 0;
1524 int thismessage_size_limit = 0;
1525 int timeout_frozen_after = 0;
1526 #ifdef MEASURE_TIMING
1527 struct timeval timestamp_startup;
1528 #endif
1529
1530 transport_instance *transports = NULL;
1531
1532 transport_instance transport_defaults = {
1533 .next = NULL,
1534 .name = NULL,
1535 .info = NULL,
1536 .options_block = NULL,
1537 .driver_name = NULL,
1538 .setup = NULL,
1539 .batch_max = 1,
1540 .batch_id = NULL,
1541 .home_dir = NULL,
1542 .current_dir = NULL,
1543 .expand_multi_domain = NULL,
1544 .multi_domain = TRUE,
1545 .overrides_hosts = FALSE,
1546 .max_addresses = 100,
1547 .connection_max_messages = 500,
1548 .deliver_as_creator = FALSE,
1549 .disable_logging = FALSE,
1550 .initgroups = FALSE,
1551 .uid_set = FALSE,
1552 .gid_set = FALSE,
1553 .uid = (uid_t)(-1),
1554 .gid = (gid_t)(-1),
1555 .expand_uid = NULL,
1556 .expand_gid = NULL,
1557 .warn_message = NULL,
1558 .shadow = NULL,
1559 .shadow_condition = NULL,
1560 .filter_command = NULL,
1561 .add_headers = NULL,
1562 .remove_headers = NULL,
1563 .return_path = NULL,
1564 .debug_string = NULL,
1565 .max_parallel = NULL,
1566 .message_size_limit = NULL,
1567 .headers_rewrite = NULL,
1568 .rewrite_rules = NULL,
1569 .rewrite_existflags = 0,
1570 .filter_timeout = 300,
1571 .body_only = FALSE,
1572 .delivery_date_add = FALSE,
1573 .envelope_to_add = FALSE,
1574 .headers_only = FALSE,
1575 .rcpt_include_affixes = FALSE,
1576 .return_path_add = FALSE,
1577 .return_output = FALSE,
1578 .return_fail_output = FALSE,
1579 .log_output = FALSE,
1580 .log_fail_output = FALSE,
1581 .log_defer_output = FALSE,
1582 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1583 1 nor 0 so can detect unset */
1584 #ifndef DISABLE_EVENT
1585 .event_action = NULL
1586 #endif
1587 };
1588
1589 int transport_count;
1590 uschar *transport_name = NULL;
1591 int transport_newlines;
1592 const uschar **transport_filter_argv = NULL;
1593 int transport_filter_timeout;
1594 int transport_write_timeout= 0;
1595
1596 tree_node *tree_dns_fails = NULL;
1597 tree_node *tree_duplicates = NULL;
1598 tree_node *tree_nonrecipients = NULL;
1599 tree_node *tree_unusable = NULL;
1600
1601 gid_t *trusted_groups = NULL;
1602 uid_t *trusted_users = NULL;
1603 uschar *timezone_string = US TIMEZONE_DEFAULT;
1604
1605 uschar *unknown_login = NULL;
1606 uschar *unknown_username = NULL;
1607 uschar *untrusted_set_sender = NULL;
1608
1609 /* A regex for matching a "From_" line in an incoming message, in the form
1610
1611 From ph10 Fri Jan 5 12:35 GMT 1996
1612
1613 which the "mail" commands send to the MTA (undocumented, of course), or in
1614 the form
1615
1616 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1617
1618 which is apparently used by some UUCPs, despite it not being in RFC 976.
1619 Because of variations in time formats, just match up to the minutes. That
1620 should be sufficient. Examples have been seen of time fields like 12:1:03,
1621 so just require one digit for hours and minutes. The weekday is also absent
1622 in some forms. */
1623
1624 uschar *uucp_from_pattern = US
1625 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1626 "(?:" /* Non-extracting bracket */
1627 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1628 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1629 ")" /* End alternation */
1630 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1631
1632 uschar *uucp_from_sender = US"$1";
1633
1634 uschar *verify_mode = NULL;
1635 uschar *version_copyright =
1636 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1637 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1638 uschar *version_date = US"?";
1639 uschar *version_cnumber = US"????";
1640 uschar *version_string = US"?";
1641
1642 uschar *warn_message_file = NULL;
1643 int warning_count = 0;
1644 uschar *warnmsg_delay = NULL;
1645 uschar *warnmsg_recipients = NULL;
1646
1647
1648 /* End of globals.c */
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