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Build: fix parallelism problem. Bug 2566
[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 /* Copyright (c) The Exim Maintainers 2020 */
7 /* See the file NOTICE for conditions of use and distribution. */
8
9 /* All the global variables are defined together in this one module, so
10 that they are easy to find. */
11
12 #include "exim.h"
13
14
15 /* Generic options for auths, all of which live inside auth_instance
16 data blocks and hence have the opt_public flag set. */
17
18 optionlist optionlist_auths[] = {
19 { "client_condition", opt_stringptr | opt_public,
20 OPT_OFF(auth_instance, client_condition) },
21 { "client_set_id", opt_stringptr | opt_public,
22 OPT_OFF(auth_instance, set_client_id) },
23 { "driver", opt_stringptr | opt_public,
24 OPT_OFF(auth_instance, driver_name) },
25 { "public_name", opt_stringptr | opt_public,
26 OPT_OFF(auth_instance, public_name) },
27 { "server_advertise_condition", opt_stringptr | opt_public,
28 OPT_OFF(auth_instance, advertise_condition)},
29 { "server_condition", opt_stringptr | opt_public,
30 OPT_OFF(auth_instance, server_condition) },
31 { "server_debug_print", opt_stringptr | opt_public,
32 OPT_OFF(auth_instance, server_debug_string) },
33 { "server_mail_auth_condition", opt_stringptr | opt_public,
34 OPT_OFF(auth_instance, mail_auth_condition) },
35 { "server_set_id", opt_stringptr | opt_public,
36 OPT_OFF(auth_instance, set_id) }
37 };
38
39 int optionlist_auths_size = nelem(optionlist_auths);
40
41 /* An empty host aliases list. */
42
43 uschar *no_aliases = NULL;
44
45
46 /* For comments on these variables, see globals.h. I'm too idle to
47 duplicate them here... */
48
49 #ifdef EXIM_PERL
50 uschar *opt_perl_startup = NULL;
51 BOOL opt_perl_at_start = FALSE;
52 BOOL opt_perl_started = FALSE;
53 BOOL opt_perl_taintmode = FALSE;
54 #endif
55
56 #ifdef EXPAND_DLFUNC
57 tree_node *dlobj_anchor = NULL;
58 #endif
59
60 #ifdef LOOKUP_IBASE
61 uschar *ibase_servers = NULL;
62 #endif
63
64 #ifdef LOOKUP_LDAP
65 uschar *eldap_ca_cert_dir = NULL;
66 uschar *eldap_ca_cert_file = NULL;
67 uschar *eldap_cert_file = NULL;
68 uschar *eldap_cert_key = NULL;
69 uschar *eldap_cipher_suite = NULL;
70 uschar *eldap_default_servers = NULL;
71 uschar *eldap_require_cert = NULL;
72 int eldap_version = -1;
73 BOOL eldap_start_tls = FALSE;
74 #endif
75
76 #ifdef LOOKUP_MYSQL
77 uschar *mysql_servers = NULL;
78 #endif
79
80 #ifdef LOOKUP_ORACLE
81 uschar *oracle_servers = NULL;
82 #endif
83
84 #ifdef LOOKUP_PGSQL
85 uschar *pgsql_servers = NULL;
86 #endif
87
88 #ifdef LOOKUP_REDIS
89 uschar *redis_servers = NULL;
90 #endif
91
92 #ifdef LOOKUP_SQLITE
93 uschar *sqlite_dbfile = NULL;
94 int sqlite_lock_timeout = 5;
95 #endif
96
97 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
98 BOOL move_frozen_messages = FALSE;
99 #endif
100
101 /* These variables are outside the #ifdef because it keeps the code less
102 cluttered in several places (e.g. during logging) if we can always refer to
103 them. Also, the tls_ variables are now always visible. Note that these are
104 only used for smtp connections, not for service-daemon access. */
105
106 tls_support tls_in = {
107 .active = {.sock = -1}
108 /* all other elements zero */
109 };
110 tls_support tls_out = {
111 .active = {.sock = -1},
112 /* all other elements zero */
113 };
114
115 uschar *dsn_envid = NULL;
116 int dsn_ret = 0;
117 const pcre *regex_DSN = NULL;
118 uschar *dsn_advertise_hosts = NULL;
119
120 #ifndef DISABLE_TLS
121 BOOL gnutls_compat_mode = FALSE;
122 BOOL gnutls_allow_auto_pkcs11 = FALSE;
123 uschar *openssl_options = NULL;
124 const pcre *regex_STARTTLS = NULL;
125 uschar *tls_advertise_hosts = US"*";
126 uschar *tls_certificate = NULL;
127 uschar *tls_crl = NULL;
128 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
129 that's the interop problem which has been observed: GnuTLS suggesting a higher
130 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
131 int tls_dh_max_bits = 2236;
132 uschar *tls_dhparam = NULL;
133 uschar *tls_eccurve = US"auto";
134 # ifndef DISABLE_OCSP
135 uschar *tls_ocsp_file = NULL;
136 # endif
137 uschar *tls_privatekey = NULL;
138 BOOL tls_remember_esmtp = FALSE;
139 uschar *tls_require_ciphers = NULL;
140 # ifdef EXPERIMENTAL_TLS_RESUME
141 uschar *tls_resumption_hosts = NULL;
142 # endif
143 uschar *tls_try_verify_hosts = NULL;
144 uschar *tls_verify_certificates= US"system";
145 uschar *tls_verify_hosts = NULL;
146 #else /*DISABLE_TLS*/
147 uschar *tls_advertise_hosts = NULL;
148 #endif
149
150 #ifndef DISABLE_PRDR
151 /* Per Recipient Data Response variables */
152 BOOL prdr_enable = FALSE;
153 BOOL prdr_requested = FALSE;
154 const pcre *regex_PRDR = NULL;
155 #endif
156
157 #ifdef SUPPORT_I18N
158 const pcre *regex_UTF8 = NULL;
159 #endif
160
161 /* Input-reading functions for messages, so we can use special ones for
162 incoming TCP/IP. The defaults use stdin. We never need these for any
163 stand-alone tests. */
164
165 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
166 int (*lwr_receive_getc)(unsigned) = stdin_getc;
167 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
168 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
169 int (*receive_getc)(unsigned) = stdin_getc;
170 uschar * (*receive_getbuf)(unsigned *) = NULL;
171 void (*receive_get_cache)(void)= NULL;
172 int (*receive_ungetc)(int) = stdin_ungetc;
173 int (*receive_feof)(void) = stdin_feof;
174 int (*receive_ferror)(void) = stdin_ferror;
175 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
176 #endif
177
178
179 /* List of per-address expansion variables for clearing and saving/restoring
180 when verifying one address while routing/verifying another. We have to have
181 the size explicit, because it is referenced from more than one module. */
182
183 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
184 CUSS &deliver_address_data,
185 CUSS &deliver_domain,
186 CUSS &deliver_domain_data,
187 CUSS &deliver_domain_orig,
188 CUSS &deliver_domain_parent,
189 CUSS &deliver_localpart,
190 CUSS &deliver_localpart_verified,
191 CUSS &deliver_localpart_data,
192 CUSS &deliver_localpart_orig,
193 CUSS &deliver_localpart_parent,
194 CUSS &deliver_localpart_prefix,
195 CUSS &deliver_localpart_suffix,
196 CUSS (uschar **)(&deliver_recipients),
197 CUSS &deliver_host,
198 CUSS &deliver_home,
199 CUSS &address_file,
200 CUSS &address_pipe,
201 CUSS &self_hostname,
202 NULL };
203
204 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
205
206 /******************************************************************************/
207 /* General global variables. Boolean flags are done as a group
208 so that only one bit each is needed, packed, for all those we never
209 need to take a pointer - and only a char for the rest.
210 This means a struct, unfortunately since it clutters the sourcecode. */
211
212 struct global_flags f =
213 {
214 .acl_temp_details = FALSE,
215 .active_local_from_check = FALSE,
216 .active_local_sender_retain = FALSE,
217 .address_test_mode = FALSE,
218 .admin_user = FALSE,
219 .allow_auth_unadvertised= FALSE,
220 .allow_unqualified_recipient = TRUE, /* For local messages */
221 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
222 .authentication_local = FALSE,
223
224 .background_daemon = TRUE,
225
226 .chunking_offered = FALSE,
227 .config_changed = FALSE,
228 .continue_more = FALSE,
229
230 .daemon_listen = FALSE,
231 .debug_daemon = FALSE,
232 .deliver_firsttime = FALSE,
233 .deliver_force = FALSE,
234 .deliver_freeze = FALSE,
235 .deliver_force_thaw = FALSE,
236 .deliver_manual_thaw = FALSE,
237 .deliver_selectstring_regex = FALSE,
238 .deliver_selectstring_sender_regex = FALSE,
239 .disable_callout_flush = FALSE,
240 .disable_delay_flush = FALSE,
241 .disable_logging = FALSE,
242 #ifndef DISABLE_DKIM
243 .dkim_disable_verify = FALSE,
244 .dkim_init_done = FALSE,
245 #endif
246 #ifdef SUPPORT_DMARC
247 .dmarc_has_been_checked = FALSE,
248 .dmarc_disable_verify = FALSE,
249 .dmarc_enable_forensic = FALSE,
250 #endif
251 .dont_deliver = FALSE,
252 .dot_ends = TRUE,
253
254 .enable_dollar_recipients = FALSE,
255 .expand_string_forcedfail = FALSE,
256
257 .filter_running = FALSE,
258
259 .header_rewritten = FALSE,
260 .helo_verified = FALSE,
261 .helo_verify_failed = FALSE,
262 .host_checking_callout = FALSE,
263 .host_find_failed_syntax= FALSE,
264
265 .inetd_wait_mode = FALSE,
266 .is_inetd = FALSE,
267
268 .local_error_message = FALSE,
269 .log_testing_mode = FALSE,
270
271 #ifdef WITH_CONTENT_SCAN
272 .no_mbox_unspool = FALSE,
273 #endif
274 .no_multiline_responses = FALSE,
275
276 .parse_allow_group = FALSE,
277 .parse_found_group = FALSE,
278 .pipelining_enable = TRUE,
279 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
280 .proxy_session_failed = FALSE,
281 #endif
282
283 .queue_2stage = FALSE,
284 .queue_only_policy = FALSE,
285 .queue_run_first_delivery = FALSE,
286 .queue_run_force = FALSE,
287 .queue_run_local = FALSE,
288 .queue_running = FALSE,
289 .queue_smtp = FALSE,
290
291 .really_exim = TRUE,
292 .receive_call_bombout = FALSE,
293 .recipients_discarded = FALSE,
294 .running_in_test_harness = FALSE,
295
296 .search_find_defer = FALSE,
297 .sender_address_forced = FALSE,
298 .sender_host_notsocket = FALSE,
299 .sender_host_unknown = FALSE,
300 .sender_local = FALSE,
301 .sender_name_forced = FALSE,
302 .sender_set_untrusted = FALSE,
303 .smtp_authenticated = FALSE,
304 #ifndef DISABLE_PIPE_CONNECT
305 .smtp_in_early_pipe_advertised = FALSE,
306 .smtp_in_early_pipe_no_auth = FALSE,
307 .smtp_in_early_pipe_used = FALSE,
308 #endif
309 .smtp_in_pipelining_advertised = FALSE,
310 .smtp_in_pipelining_used = FALSE,
311 .spool_file_wireformat = FALSE,
312 .submission_mode = FALSE,
313 .suppress_local_fixups = FALSE,
314 .suppress_local_fixups_default = FALSE,
315 .synchronous_delivery = FALSE,
316 .system_filtering = FALSE,
317
318 .taint_check_slow = FALSE,
319 .testsuite_delays = TRUE,
320 .tcp_fastopen_ok = FALSE,
321 .tcp_in_fastopen = FALSE,
322 .tcp_in_fastopen_data = FALSE,
323 .tcp_in_fastopen_logged = FALSE,
324 .tcp_out_fastopen_logged= FALSE,
325 .timestamps_utc = FALSE,
326 .transport_filter_timed_out = FALSE,
327 .trusted_caller = FALSE,
328 .trusted_config = TRUE,
329 };
330
331 /******************************************************************************/
332 /* These are the flags which are either variables or mainsection options,
333 so an address is needed for access, or are exported to local_scan. */
334
335 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
336 BOOL allow_domain_literals = FALSE;
337 BOOL allow_mx_to_ip = FALSE;
338 BOOL allow_utf8_domains = FALSE;
339 BOOL authentication_failed = FALSE;
340
341 BOOL bounce_return_body = TRUE;
342 BOOL bounce_return_message = TRUE;
343 BOOL check_rfc2047_length = TRUE;
344 BOOL commandline_checks_require_admin = FALSE;
345
346 #ifdef EXPERIMENTAL_DCC
347 BOOL dcc_direct_add_header = FALSE;
348 #endif
349 BOOL debug_store = FALSE;
350 BOOL delivery_date_remove = TRUE;
351 BOOL deliver_drop_privilege = FALSE;
352 #ifdef ENABLE_DISABLE_FSYNC
353 BOOL disable_fsync = FALSE;
354 #endif
355 BOOL disable_ipv6 = FALSE;
356 BOOL dns_csa_use_reverse = TRUE;
357 BOOL drop_cr = FALSE; /* No longer used */
358
359 BOOL envelope_to_remove = TRUE;
360 BOOL exim_gid_set = TRUE; /* This gid is always set */
361 BOOL exim_uid_set = TRUE; /* This uid is always set */
362 BOOL extract_addresses_remove_arguments = TRUE;
363
364 BOOL host_checking = FALSE;
365 BOOL host_lookup_deferred = FALSE;
366 BOOL host_lookup_failed = FALSE;
367 BOOL ignore_fromline_local = FALSE;
368
369 BOOL local_from_check = TRUE;
370 BOOL local_sender_retain = FALSE;
371 BOOL log_timezone = FALSE;
372 BOOL message_body_newlines = FALSE;
373 BOOL message_logs = TRUE;
374 #ifdef SUPPORT_I18N
375 BOOL message_smtputf8 = FALSE;
376 #endif
377 BOOL mua_wrapper = FALSE;
378
379 BOOL preserve_message_logs = FALSE;
380 BOOL print_topbitchars = FALSE;
381 BOOL prod_requires_admin = TRUE;
382 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
383 BOOL proxy_session = FALSE;
384 #endif
385
386 #ifdef EXPERIMENTAL_QUEUE_RAMP
387 BOOL queue_fast_ramp = FALSE;
388 #endif
389 BOOL queue_list_requires_admin = TRUE;
390 BOOL queue_only = FALSE;
391 BOOL queue_only_load_latch = TRUE;
392 BOOL queue_only_override = TRUE;
393 BOOL queue_run_in_order = FALSE;
394 BOOL recipients_max_reject = FALSE;
395 BOOL return_path_remove = TRUE;
396
397 BOOL smtp_batched_input = FALSE;
398 BOOL sender_helo_dnssec = FALSE;
399 BOOL sender_host_dnssec = FALSE;
400 BOOL smtp_accept_keepalive = TRUE;
401 BOOL smtp_check_spool_space = TRUE;
402 BOOL smtp_enforce_sync = TRUE;
403 BOOL smtp_etrn_serialize = TRUE;
404 BOOL smtp_input = FALSE;
405 BOOL smtp_return_error_details = FALSE;
406 #ifdef SUPPORT_SPF
407 BOOL spf_result_guessed = FALSE;
408 #endif
409 BOOL split_spool_directory = FALSE;
410 BOOL spool_wireformat = FALSE;
411 #ifdef EXPERIMENTAL_SRS
412 BOOL srs_usehash = TRUE;
413 BOOL srs_usetimestamp = TRUE;
414 #endif
415 BOOL strict_acl_vars = FALSE;
416 BOOL strip_excess_angle_brackets = FALSE;
417 BOOL strip_trailing_dot = FALSE;
418 BOOL syslog_duplication = TRUE;
419 BOOL syslog_pid = TRUE;
420 BOOL syslog_timestamp = TRUE;
421 BOOL system_filter_gid_set = FALSE;
422 BOOL system_filter_uid_set = FALSE;
423
424 BOOL tcp_nodelay = TRUE;
425 BOOL write_rejectlog = TRUE;
426
427 /******************************************************************************/
428
429 header_line *acl_added_headers = NULL;
430 tree_node *acl_anchor = NULL;
431 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
432 NULL, NULL, NULL, NULL};
433 int acl_narg = 0;
434
435 int acl_level = 0;
436
437 uschar *acl_not_smtp = NULL;
438 #ifdef WITH_CONTENT_SCAN
439 uschar *acl_not_smtp_mime = NULL;
440 #endif
441 uschar *acl_not_smtp_start = NULL;
442 uschar *acl_removed_headers = NULL;
443 uschar *acl_smtp_auth = NULL;
444 uschar *acl_smtp_connect = NULL;
445 uschar *acl_smtp_data = NULL;
446 #ifndef DISABLE_PRDR
447 uschar *acl_smtp_data_prdr = US"accept";
448 #endif
449 #ifndef DISABLE_DKIM
450 uschar *acl_smtp_dkim = NULL;
451 #endif
452 uschar *acl_smtp_etrn = NULL;
453 uschar *acl_smtp_expn = NULL;
454 uschar *acl_smtp_helo = NULL;
455 uschar *acl_smtp_mail = NULL;
456 uschar *acl_smtp_mailauth = NULL;
457 #ifdef WITH_CONTENT_SCAN
458 uschar *acl_smtp_mime = NULL;
459 #endif
460 uschar *acl_smtp_notquit = NULL;
461 uschar *acl_smtp_predata = NULL;
462 uschar *acl_smtp_quit = NULL;
463 uschar *acl_smtp_rcpt = NULL;
464 uschar *acl_smtp_starttls = NULL;
465 uschar *acl_smtp_vrfy = NULL;
466
467 tree_node *acl_var_c = NULL;
468 tree_node *acl_var_m = NULL;
469 uschar *acl_verify_message = NULL;
470 string_item *acl_warn_logged = NULL;
471
472 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
473 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
474
475 uschar *acl_wherenames[] = { US"RCPT",
476 US"MAIL",
477 US"PREDATA",
478 US"MIME",
479 US"DKIM",
480 US"DATA",
481 #ifndef DISABLE_PRDR
482 US"PRDR",
483 #endif
484 US"non-SMTP",
485 US"AUTH",
486 US"connection",
487 US"ETRN",
488 US"EXPN",
489 US"EHLO or HELO",
490 US"MAILAUTH",
491 US"non-SMTP-start",
492 US"NOTQUIT",
493 US"QUIT",
494 US"STARTTLS",
495 US"VRFY",
496 US"delivery",
497 US"unknown"
498 };
499
500 uschar *acl_wherecodes[] = { US"550", /* RCPT */
501 US"550", /* MAIL */
502 US"550", /* PREDATA */
503 US"550", /* MIME */
504 US"550", /* DKIM */
505 US"550", /* DATA */
506 #ifndef DISABLE_PRDR
507 US"550", /* RCPT PRDR */
508 #endif
509 US"0", /* not SMTP; not relevant */
510 US"503", /* AUTH */
511 US"550", /* connect */
512 US"458", /* ETRN */
513 US"550", /* EXPN */
514 US"550", /* HELO/EHLO */
515 US"0", /* MAILAUTH; not relevant */
516 US"0", /* not SMTP; not relevant */
517 US"0", /* NOTQUIT; not relevant */
518 US"0", /* QUIT; not relevant */
519 US"550", /* STARTTLS */
520 US"252", /* VRFY */
521 US"0", /* delivery; not relevant */
522 US"0" /* unknown; not relevant */
523 };
524
525 uschar *add_environment = NULL;
526 address_item *addr_duplicate = NULL;
527
528 address_item address_defaults = {
529 .next = NULL,
530 .parent = NULL,
531 .first = NULL,
532 .dupof = NULL,
533 .start_router = NULL,
534 .router = NULL,
535 .transport = NULL,
536 .host_list = NULL,
537 .host_used = NULL,
538 .fallback_hosts = NULL,
539 .reply = NULL,
540 .retries = NULL,
541 .address = NULL,
542 .unique = NULL,
543 .cc_local_part = NULL,
544 .lc_local_part = NULL,
545 .local_part = NULL,
546 .prefix = NULL,
547 .prefix_v = NULL,
548 .suffix = NULL,
549 .suffix_v = NULL,
550 .domain = NULL,
551 .address_retry_key = NULL,
552 .domain_retry_key = NULL,
553 .current_dir = NULL,
554 .home_dir = NULL,
555 .message = NULL,
556 .user_message = NULL,
557 .onetime_parent = NULL,
558 .pipe_expandn = NULL,
559 .return_filename = NULL,
560 .self_hostname = NULL,
561 .shadow_message = NULL,
562 #ifndef DISABLE_TLS
563 .cipher = NULL,
564 .ourcert = NULL,
565 .peercert = NULL,
566 .peerdn = NULL,
567 .ocsp = OCSP_NOT_REQ,
568 #endif
569 #ifdef EXPERIMENTAL_DSN_INFO
570 .smtp_greeting = NULL,
571 .helo_response = NULL,
572 #endif
573 .authenticator = NULL,
574 .auth_id = NULL,
575 .auth_sndr = NULL,
576 .dsn_orcpt = NULL,
577 .dsn_flags = 0,
578 .dsn_aware = 0,
579 .uid = (uid_t)(-1),
580 .gid = (gid_t)(-1),
581 .flags = { 0 },
582 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
583 .localpart_cache = { 0 }, /* localpart_cache - ditto */
584 .mode = -1,
585 .more_errno = 0,
586 .delivery_time = {.tv_sec = 0, .tv_usec = 0},
587 .basic_errno = ERRNO_UNKNOWNERROR,
588 .child_count = 0,
589 .return_file = -1,
590 .special_action = SPECIAL_NONE,
591 .transport_return = DEFER,
592 .prop = { /* fields that are propagated to children */
593 .address_data = NULL,
594 .domain_data = NULL,
595 .localpart_data = NULL,
596 .errors_address = NULL,
597 .extra_headers = NULL,
598 .remove_headers = NULL,
599 .variables = NULL,
600 #ifdef EXPERIMENTAL_SRS
601 .srs_sender = NULL,
602 #endif
603 .ignore_error = FALSE,
604 #ifdef SUPPORT_I18N
605 .utf8_msg = FALSE,
606 .utf8_downcvt = FALSE,
607 .utf8_downcvt_maybe = FALSE
608 #endif
609 }
610 };
611
612 uschar *address_file = NULL;
613 uschar *address_pipe = NULL;
614 tree_node *addresslist_anchor = NULL;
615 int addresslist_count = 0;
616 gid_t *admin_groups = NULL;
617
618 #ifdef EXPERIMENTAL_ARC
619 struct arc_set *arc_received = NULL;
620 int arc_received_instance = 0;
621 int arc_oldest_pass = 0;
622 const uschar *arc_state = NULL;
623 const uschar *arc_state_reason = NULL;
624 #endif
625
626 uschar *authenticated_fail_id = NULL;
627 uschar *authenticated_id = NULL;
628 uschar *authenticated_sender = NULL;
629 auth_instance *auths = NULL;
630 uschar *auth_advertise_hosts = US"*";
631 auth_instance auth_defaults = {
632 .next = NULL,
633 .name = NULL,
634 .info = NULL,
635 .options_block = NULL,
636 .driver_name = NULL,
637 .advertise_condition = NULL,
638 .client_condition = NULL,
639 .public_name = NULL,
640 .set_id = NULL,
641 .set_client_id = NULL,
642 .mail_auth_condition = NULL,
643 .server_debug_string = NULL,
644 .server_condition = NULL,
645 .client = FALSE,
646 .server = FALSE,
647 .advertised = FALSE
648 };
649
650 uschar *auth_defer_msg = US"reason not recorded";
651 uschar *auth_defer_user_msg = US"";
652 uschar *auth_vars[AUTH_VARS];
653 int auto_thaw = 0;
654 #ifdef WITH_CONTENT_SCAN
655 int av_failed = FALSE; /* boolean but accessed as vtype_int*/
656 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
657 #endif
658
659 #if BASE_62 == 62
660 uschar *base62_chars=
661 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
662 #else
663 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
664 #endif
665
666 uschar *bi_command = NULL;
667 uschar *big_buffer = NULL;
668 int big_buffer_size = BIG_BUFFER_SIZE;
669 #ifdef EXPERIMENTAL_BRIGHTMAIL
670 uschar *bmi_alt_location = NULL;
671 uschar *bmi_base64_tracker_verdict = NULL;
672 uschar *bmi_base64_verdict = NULL;
673 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
674 int bmi_deliver = 1;
675 int bmi_run = 0;
676 uschar *bmi_verdicts = NULL;
677 #endif
678 int bsmtp_transaction_linecount = 0;
679 int body_8bitmime = 0;
680 int body_linecount = 0;
681 int body_zerocount = 0;
682 uschar *bounce_message_file = NULL;
683 uschar *bounce_message_text = NULL;
684 uschar *bounce_recipient = NULL;
685 int bounce_return_linesize_limit = 998;
686 int bounce_return_size_limit = 100*1024;
687 uschar *bounce_sender_authentication = NULL;
688
689 uschar *callout_address = NULL;
690 int callout_cache_domain_positive_expire = 7*24*60*60;
691 int callout_cache_domain_negative_expire = 3*60*60;
692 int callout_cache_positive_expire = 24*60*60;
693 int callout_cache_negative_expire = 2*60*60;
694 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
695 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
696 int check_log_inodes = 100;
697 int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
698 int check_spool_inodes = 100;
699 int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
700
701 uschar *chunking_advertise_hosts = US"*";
702 unsigned chunking_datasize = 0;
703 unsigned chunking_data_left = 0;
704 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
705 const pcre *regex_CHUNKING = NULL;
706
707 uschar *client_authenticator = NULL;
708 uschar *client_authenticated_id = NULL;
709 uschar *client_authenticated_sender = NULL;
710 int clmacro_count = 0;
711 uschar *clmacros[MAX_CLMACROS];
712 FILE *config_file = NULL;
713 const uschar *config_filename = NULL;
714 int config_lineno = 0;
715 #ifdef CONFIGURE_GROUP
716 gid_t config_gid = CONFIGURE_GROUP;
717 #else
718 gid_t config_gid = 0;
719 #endif
720 uschar *config_main_filelist = US CONFIGURE_FILE
721 "\0<-----------Space to patch configure_filename->";
722 uschar *config_main_filename = NULL;
723 uschar *config_main_directory = NULL;
724
725 #ifdef CONFIGURE_OWNER
726 uid_t config_uid = CONFIGURE_OWNER;
727 #else
728 uid_t config_uid = 0;
729 #endif
730
731 int connection_max_messages= -1;
732 uschar *continue_proxy_cipher = NULL;
733 uschar *continue_hostname = NULL;
734 uschar *continue_host_address = NULL;
735 int continue_sequence = 1;
736 uschar *continue_transport = NULL;
737
738 uschar *csa_status = NULL;
739 cut_t cutthrough = {
740 .callout_hold_only = FALSE, /* verify-only: normal delivery */
741 .delivery = FALSE, /* when to attempt */
742 .defer_pass = FALSE, /* on defer: spool locally */
743 .is_tls = FALSE, /* not a TLS conn yet */
744 .cctx = {.sock = -1}, /* open connection */
745 .nrcpt = 0, /* number of addresses */
746 };
747
748 int daemon_notifier_fd = -1;
749 uschar *daemon_smtp_port = US"smtp";
750 int daemon_startup_retries = 9;
751 int daemon_startup_sleep = 30;
752
753 #ifdef EXPERIMENTAL_DCC
754 uschar *dcc_header = NULL;
755 uschar *dcc_result = NULL;
756 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
757 uschar *dccifd_options = US"header";
758 #endif
759
760 int debug_fd = -1;
761 FILE *debug_file = NULL;
762 int debug_notall[] = {
763 Di_memory,
764 Di_noutf8,
765 -1
766 };
767 bit_table debug_options[] = { /* must be in alphabetical order and use
768 only the enum values from macro.h */
769 BIT_TABLE(D, acl),
770 BIT_TABLE(D, all),
771 BIT_TABLE(D, auth),
772 BIT_TABLE(D, deliver),
773 BIT_TABLE(D, dns),
774 BIT_TABLE(D, dnsbl),
775 BIT_TABLE(D, exec),
776 BIT_TABLE(D, expand),
777 BIT_TABLE(D, filter),
778 BIT_TABLE(D, hints_lookup),
779 BIT_TABLE(D, host_lookup),
780 BIT_TABLE(D, ident),
781 BIT_TABLE(D, interface),
782 BIT_TABLE(D, lists),
783 BIT_TABLE(D, load),
784 BIT_TABLE(D, local_scan),
785 BIT_TABLE(D, lookup),
786 BIT_TABLE(D, memory),
787 BIT_TABLE(D, noutf8),
788 BIT_TABLE(D, pid),
789 BIT_TABLE(D, process_info),
790 BIT_TABLE(D, queue_run),
791 BIT_TABLE(D, receive),
792 BIT_TABLE(D, resolver),
793 BIT_TABLE(D, retry),
794 BIT_TABLE(D, rewrite),
795 BIT_TABLE(D, route),
796 BIT_TABLE(D, timestamp),
797 BIT_TABLE(D, tls),
798 BIT_TABLE(D, transport),
799 BIT_TABLE(D, uid),
800 BIT_TABLE(D, verify),
801 };
802 int debug_options_count = nelem(debug_options);
803
804 unsigned int debug_selector = 0;
805 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
806 uschar *delay_warning_condition=
807 US"${if or {"
808 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
809 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
810 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
811 "} {no}{yes}}";
812 uschar *deliver_address_data = NULL;
813 int deliver_datafile = -1;
814 const uschar *deliver_domain = NULL;
815 uschar *deliver_domain_data = NULL;
816 const uschar *deliver_domain_orig = NULL;
817 const uschar *deliver_domain_parent = NULL;
818 time_t deliver_frozen_at = 0;
819 uschar *deliver_home = NULL;
820 const uschar *deliver_host = NULL;
821 const uschar *deliver_host_address = NULL;
822 int deliver_host_port = 0;
823 uschar *deliver_in_buffer = NULL;
824 ino_t deliver_inode = 0;
825 uschar *deliver_localpart = NULL;
826 uschar *deliver_localpart_data = NULL;
827 uschar *deliver_localpart_orig = NULL;
828 uschar *deliver_localpart_parent = NULL;
829 uschar *deliver_localpart_prefix = NULL;
830 uschar *deliver_localpart_prefix_v = NULL;
831 uschar *deliver_localpart_suffix = NULL;
832 uschar *deliver_localpart_suffix_v = NULL;
833 uschar *deliver_localpart_verified = NULL;
834 uschar *deliver_out_buffer = NULL;
835 int deliver_queue_load_max = -1;
836 address_item *deliver_recipients = NULL;
837 uschar *deliver_selectstring = NULL;
838 uschar *deliver_selectstring_sender = NULL;
839
840 #ifndef DISABLE_DKIM
841 unsigned dkim_collect_input = 0;
842 uschar *dkim_cur_signer = NULL;
843 int dkim_key_length = 0;
844 void *dkim_signatures = NULL;
845 uschar *dkim_signers = NULL;
846 uschar *dkim_signing_domain = NULL;
847 uschar *dkim_signing_selector = NULL;
848 uschar *dkim_verify_hashes = US"sha256:sha512";
849 uschar *dkim_verify_keytypes = US"ed25519:rsa";
850 uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
851 BOOL dkim_verify_minimal = FALSE;
852 uschar *dkim_verify_overall = NULL;
853 uschar *dkim_verify_signers = US"$dkim_signers";
854 uschar *dkim_verify_status = NULL;
855 uschar *dkim_verify_reason = NULL;
856 #endif
857 #ifdef SUPPORT_DMARC
858 uschar *dmarc_domain_policy = NULL;
859 uschar *dmarc_forensic_sender = NULL;
860 uschar *dmarc_history_file = NULL;
861 uschar *dmarc_status = NULL;
862 uschar *dmarc_status_text = NULL;
863 uschar *dmarc_tld_file = NULL;
864 uschar *dmarc_used_domain = NULL;
865 #endif
866
867 uschar *dns_again_means_nonexist = NULL;
868 int dns_csa_search_limit = 5;
869 int dns_cname_loops = 1;
870 #ifdef SUPPORT_DANE
871 int dns_dane_ok = -1;
872 #endif
873 uschar *dns_ipv4_lookup = NULL;
874 int dns_retrans = 0;
875 int dns_retry = 0;
876 int dns_dnssec_ok = -1; /* <0 = not coerced */
877 uschar *dns_trust_aa = NULL;
878 int dns_use_edns0 = -1; /* <0 = not coerced */
879 uschar *dnslist_domain = NULL;
880 uschar *dnslist_matched = NULL;
881 uschar *dnslist_text = NULL;
882 uschar *dnslist_value = NULL;
883 tree_node *domainlist_anchor = NULL;
884 int domainlist_count = 0;
885 uschar *dsn_from = US DEFAULT_DSN_FROM;
886
887 int errno_quota = ERRNO_QUOTA;
888 uschar *errors_copy = NULL;
889 int error_handling = ERRORS_SENDER;
890 uschar *errors_reply_to = NULL;
891 int errors_sender_rc = EXIT_FAILURE;
892 #ifndef DISABLE_EVENT
893 uschar *event_action = NULL; /* expansion for delivery events */
894 uschar *event_data = NULL; /* auxiliary data variable for event */
895 int event_defer_errno = 0;
896 const uschar *event_name = NULL; /* event name variable */
897 #endif
898
899
900 gid_t exim_gid = EXIM_GID;
901 uschar *exim_path = US BIN_DIRECTORY "/exim"
902 "\0<---------------Space to patch exim_path->";
903 uid_t exim_uid = EXIM_UID;
904 int expand_level = 0; /* Nesting depth, indent for debug */
905 int expand_forbid = 0;
906 int expand_nlength[EXPAND_MAXN+1];
907 int expand_nmax = -1;
908 uschar *expand_nstring[EXPAND_MAXN+1];
909 uschar *expand_string_message;
910 uschar *extra_local_interfaces = NULL;
911
912 int fake_response = OK;
913 uschar *fake_response_text = US"Your message has been rejected but is "
914 "being kept for evaluation.\nIf it was a "
915 "legitimate message, it may still be "
916 "delivered to the target recipient(s).";
917 int filter_n[FILTER_VARIABLE_COUNT];
918 int filter_sn[FILTER_VARIABLE_COUNT];
919 int filter_test = FTEST_NONE;
920 uschar *filter_test_sfile = NULL;
921 uschar *filter_test_ufile = NULL;
922 uschar *filter_thisaddress = NULL;
923 int finduser_retries = 0;
924 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
925 uschar *freeze_tell = NULL;
926 uschar *freeze_tell_config = NULL;
927 uschar *fudged_queue_times = US"";
928
929 uschar *gecos_name = NULL;
930 uschar *gecos_pattern = NULL;
931 rewrite_rule *global_rewrite_rules = NULL;
932
933 volatile sig_atomic_t had_command_timeout = 0;
934 volatile sig_atomic_t had_command_sigterm = 0;
935 volatile sig_atomic_t had_data_timeout = 0;
936 volatile sig_atomic_t had_data_sigint = 0;
937 uschar *headers_charset = US HEADERS_CHARSET;
938 int header_insert_maxlen = 64 * 1024;
939 header_line *header_last = NULL;
940 header_line *header_list = NULL;
941 int header_maxsize = HEADER_MAXSIZE;
942 int header_line_maxsize = 0;
943
944 header_name header_names[] = {
945 /* name len allow_resent htype */
946 { US"bcc", 3, TRUE, htype_bcc },
947 { US"cc", 2, TRUE, htype_cc },
948 { US"date", 4, TRUE, htype_date },
949 { US"delivery-date", 13, FALSE, htype_delivery_date },
950 { US"envelope-to", 11, FALSE, htype_envelope_to },
951 { US"from", 4, TRUE, htype_from },
952 { US"message-id", 10, TRUE, htype_id },
953 { US"received", 8, FALSE, htype_received },
954 { US"reply-to", 8, FALSE, htype_reply_to },
955 { US"return-path", 11, FALSE, htype_return_path },
956 { US"sender", 6, TRUE, htype_sender },
957 { US"subject", 7, FALSE, htype_subject },
958 { US"to", 2, TRUE, htype_to }
959 };
960
961 int header_names_size = nelem(header_names);
962
963 uschar *helo_accept_junk_hosts = NULL;
964 uschar *helo_allow_chars = US"";
965 uschar *helo_lookup_domains = US"@ : @[]";
966 uschar *helo_try_verify_hosts = NULL;
967 uschar *helo_verify_hosts = NULL;
968 const uschar *hex_digits = CUS"0123456789abcdef";
969 uschar *hold_domains = NULL;
970 uschar *host_data = NULL;
971 uschar *host_lookup = NULL;
972 uschar *host_lookup_order = US"bydns:byaddr";
973 uschar *host_lookup_msg = US"";
974 int host_number = 0;
975 uschar *host_number_string = NULL;
976 uschar *host_reject_connection = NULL;
977 tree_node *hostlist_anchor = NULL;
978 int hostlist_count = 0;
979 uschar *hosts_treat_as_local = NULL;
980 uschar *hosts_connection_nolog = NULL;
981
982 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
983 uschar *ignore_fromline_hosts = NULL;
984 int inetd_wait_timeout = -1;
985 uschar *initial_cwd = NULL;
986 uschar *interface_address = NULL;
987 int interface_port = -1;
988 uschar *iterate_item = NULL;
989
990 int journal_fd = -1;
991
992 uschar *keep_environment = NULL;
993
994 int keep_malformed = 4*24*60*60; /* 4 days */
995
996 uschar *eldap_dn = NULL;
997 int load_average = -2;
998 uschar *local_from_prefix = NULL;
999 uschar *local_from_suffix = NULL;
1000
1001 #if HAVE_IPV6
1002 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1003 #else
1004 uschar *local_interfaces = US"0.0.0.0";
1005 #endif
1006
1007 #ifdef HAVE_LOCAL_SCAN
1008 uschar *local_scan_data = NULL;
1009 int local_scan_timeout = 5*60;
1010 #endif
1011 gid_t local_user_gid = (gid_t)(-1);
1012 uid_t local_user_uid = (uid_t)(-1);
1013
1014 tree_node *localpartlist_anchor= NULL;
1015 int localpartlist_count = 0;
1016 uschar *log_buffer = NULL;
1017
1018 int log_default[] = { /* for initializing log_selector */
1019 Li_acl_warn_skipped,
1020 Li_connection_reject,
1021 Li_delay_delivery,
1022 Li_dkim,
1023 Li_dnslist_defer,
1024 Li_etrn,
1025 Li_host_lookup_failed,
1026 Li_lost_incoming_connection,
1027 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1028 Li_msg_id,
1029 Li_queue_run,
1030 Li_rejected_header,
1031 Li_retry_defer,
1032 Li_sender_verify_fail,
1033 Li_size_reject,
1034 Li_skip_delivery,
1035 Li_smtp_confirmation,
1036 Li_tls_certificate_verified,
1037 Li_tls_cipher,
1038 -1
1039 };
1040
1041 uschar *log_file_path = US LOG_FILE_PATH
1042 "\0<--------------Space to patch log_file_path->";
1043
1044 int log_notall[] = {
1045 -1
1046 };
1047 bit_table log_options[] = { /* must be in alphabetical order,
1048 with definitions from enum logbit. */
1049 BIT_TABLE(L, 8bitmime),
1050 BIT_TABLE(L, acl_warn_skipped),
1051 BIT_TABLE(L, address_rewrite),
1052 BIT_TABLE(L, all),
1053 BIT_TABLE(L, all_parents),
1054 BIT_TABLE(L, arguments),
1055 BIT_TABLE(L, connection_reject),
1056 BIT_TABLE(L, delay_delivery),
1057 BIT_TABLE(L, deliver_time),
1058 BIT_TABLE(L, delivery_size),
1059 #ifndef DISABLE_DKIM
1060 BIT_TABLE(L, dkim),
1061 BIT_TABLE(L, dkim_verbose),
1062 #endif
1063 BIT_TABLE(L, dnslist_defer),
1064 BIT_TABLE(L, dnssec),
1065 BIT_TABLE(L, etrn),
1066 BIT_TABLE(L, host_lookup_failed),
1067 BIT_TABLE(L, ident_timeout),
1068 BIT_TABLE(L, incoming_interface),
1069 BIT_TABLE(L, incoming_port),
1070 BIT_TABLE(L, lost_incoming_connection),
1071 BIT_TABLE(L, millisec),
1072 BIT_TABLE(L, msg_id),
1073 BIT_TABLE(L, msg_id_created),
1074 BIT_TABLE(L, outgoing_interface),
1075 BIT_TABLE(L, outgoing_port),
1076 BIT_TABLE(L, pid),
1077 BIT_TABLE(L, pipelining),
1078 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1079 BIT_TABLE(L, proxy),
1080 #endif
1081 BIT_TABLE(L, queue_run),
1082 BIT_TABLE(L, queue_time),
1083 BIT_TABLE(L, queue_time_overall),
1084 BIT_TABLE(L, receive_time),
1085 BIT_TABLE(L, received_recipients),
1086 BIT_TABLE(L, received_sender),
1087 BIT_TABLE(L, rejected_header),
1088 { US"rejected_headers", Li_rejected_header },
1089 BIT_TABLE(L, retry_defer),
1090 BIT_TABLE(L, return_path_on_delivery),
1091 BIT_TABLE(L, sender_on_delivery),
1092 BIT_TABLE(L, sender_verify_fail),
1093 BIT_TABLE(L, size_reject),
1094 BIT_TABLE(L, skip_delivery),
1095 BIT_TABLE(L, smtp_confirmation),
1096 BIT_TABLE(L, smtp_connection),
1097 BIT_TABLE(L, smtp_incomplete_transaction),
1098 BIT_TABLE(L, smtp_mailauth),
1099 BIT_TABLE(L, smtp_no_mail),
1100 BIT_TABLE(L, smtp_protocol_error),
1101 BIT_TABLE(L, smtp_syntax_error),
1102 BIT_TABLE(L, subject),
1103 BIT_TABLE(L, tls_certificate_verified),
1104 BIT_TABLE(L, tls_cipher),
1105 BIT_TABLE(L, tls_peerdn),
1106 BIT_TABLE(L, tls_resumption),
1107 BIT_TABLE(L, tls_sni),
1108 BIT_TABLE(L, unknown_in_list),
1109 };
1110 int log_options_count = nelem(log_options);
1111
1112 int log_reject_target = 0;
1113 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1114 uschar *log_selector_string = NULL;
1115 FILE *log_stderr = NULL;
1116 uschar *login_sender_address = NULL;
1117 uschar *lookup_dnssec_authenticated = NULL;
1118 int lookup_open_max = 25;
1119 uschar *lookup_value = NULL;
1120
1121 macro_item *macros_user = NULL;
1122 uschar *mailstore_basename = NULL;
1123 #ifdef WITH_CONTENT_SCAN
1124 uschar *malware_name = NULL; /* Virus Name */
1125 #endif
1126 int max_received_linelength= 0;
1127 int max_username_length = 0;
1128 int message_age = 0;
1129 uschar *message_body = NULL;
1130 uschar *message_body_end = NULL;
1131 int message_body_size = 0;
1132 int message_body_visible = 500;
1133 int message_ended = END_NOTSTARTED;
1134 uschar *message_headers = NULL;
1135 uschar *message_id;
1136 uschar *message_id_domain = NULL;
1137 uschar *message_id_text = NULL;
1138 struct timeval message_id_tv = { 0, 0 };
1139 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1140 uschar *message_id_external;
1141 int message_linecount = 0;
1142 int message_size = 0;
1143 uschar *message_size_limit = US"50M";
1144 #ifdef SUPPORT_I18N
1145 int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1146 #endif
1147 uschar message_subdir[2] = { 0, 0 };
1148 uschar *message_reference = NULL;
1149
1150 /* MIME ACL expandables */
1151 #ifdef WITH_CONTENT_SCAN
1152 int mime_anomaly_level = 0;
1153 const uschar *mime_anomaly_text = NULL;
1154 uschar *mime_boundary = NULL;
1155 uschar *mime_charset = NULL;
1156 uschar *mime_content_description = NULL;
1157 uschar *mime_content_disposition = NULL;
1158 uschar *mime_content_id = NULL;
1159 unsigned int mime_content_size = 0;
1160 uschar *mime_content_transfer_encoding = NULL;
1161 uschar *mime_content_type = NULL;
1162 uschar *mime_decoded_filename = NULL;
1163 uschar *mime_filename = NULL;
1164 int mime_is_multipart = 0;
1165 int mime_is_coverletter = 0;
1166 int mime_is_rfc822 = 0;
1167 int mime_part_count = -1;
1168 #endif
1169
1170 uid_t *never_users = NULL;
1171 uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1172
1173 const int on = 1; /* for setsockopt */
1174 const int off = 0;
1175
1176 uid_t original_euid;
1177 gid_t originator_gid;
1178 uschar *originator_login = NULL;
1179 uschar *originator_name = NULL;
1180 uid_t originator_uid;
1181 uschar *override_local_interfaces = NULL;
1182 uschar *override_pid_file_path = NULL;
1183
1184 uschar *percent_hack_domains = NULL;
1185 uschar *pid_file_path = US PID_FILE_PATH
1186 "\0<--------------Space to patch pid_file_path->";
1187 #ifndef DISABLE_PIPE_CONNECT
1188 uschar *pipe_connect_advertise_hosts = US"*";
1189 #endif
1190 uschar *pipelining_advertise_hosts = US"*";
1191 uschar *primary_hostname = NULL;
1192 uschar *process_info;
1193 int process_info_len = 0;
1194 uschar *process_log_path = NULL;
1195 const uschar *process_purpose = US"fresh-exec";
1196
1197 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1198 uschar *hosts_proxy = NULL;
1199 uschar *proxy_external_address = NULL;
1200 int proxy_external_port = 0;
1201 uschar *proxy_local_address = NULL;
1202 int proxy_local_port = 0;
1203 #endif
1204
1205 uschar *prvscheck_address = NULL;
1206 uschar *prvscheck_keynum = NULL;
1207 uschar *prvscheck_result = NULL;
1208
1209
1210 const uschar *qualify_domain_recipient = NULL;
1211 uschar *qualify_domain_sender = NULL;
1212 uschar *queue_domains = NULL;
1213 int queue_interval = -1;
1214 uschar *queue_name = US"";
1215 uschar *queue_name_dest = NULL;
1216 uschar *queue_only_file = NULL;
1217 int queue_only_load = -1;
1218 uschar *queue_run_max = US"5";
1219 pid_t queue_run_pid = (pid_t)0;
1220 int queue_run_pipe = -1;
1221 unsigned queue_size = 0;
1222 time_t queue_size_next = 0;
1223 uschar *queue_smtp_domains = NULL;
1224
1225 uint32_t random_seed = 0;
1226 tree_node *ratelimiters_cmd = NULL;
1227 tree_node *ratelimiters_conn = NULL;
1228 tree_node *ratelimiters_mail = NULL;
1229 uschar *raw_active_hostname = NULL;
1230 uschar *raw_sender = NULL;
1231 uschar **raw_recipients = NULL;
1232 int raw_recipients_count = 0;
1233
1234 int rcpt_count = 0;
1235 int rcpt_fail_count = 0;
1236 int rcpt_defer_count = 0;
1237 gid_t real_gid;
1238 uid_t real_uid;
1239 int receive_linecount = 0;
1240 int receive_messagecount = 0;
1241 int receive_timeout = 0;
1242 int received_count = 0;
1243 uschar *received_for = NULL;
1244
1245 /* This is the default text for Received headers generated by Exim. The
1246 date will be automatically added on the end. */
1247
1248 uschar *received_header_text = US
1249 "Received: "
1250 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1251 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1252 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1253 "by $primary_hostname "
1254 "${if def:received_protocol {with $received_protocol }}"
1255 #ifndef DISABLE_TLS
1256 "${if def:tls_in_ver { ($tls_in_ver)}}"
1257 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1258 #endif
1259 "(Exim $version_number)\n\t"
1260 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1261 "id $message_exim_id"
1262 "${if def:received_for {\n\tfor $received_for}}"
1263 "\0<---------------Space to patch received_header_text->";
1264
1265 int received_headers_max = 30;
1266 uschar *received_protocol = NULL;
1267 struct timeval received_time = { 0, 0 };
1268 struct timeval received_time_taken = { 0, 0 };
1269 uschar *recipient_data = NULL;
1270 uschar *recipient_unqualified_hosts = NULL;
1271 uschar *recipient_verify_failure = NULL;
1272 int recipients_count = 0;
1273 recipient_item *recipients_list = NULL;
1274 int recipients_list_max = 0;
1275 int recipients_max = 0;
1276 const pcre *regex_AUTH = NULL;
1277 const pcre *regex_check_dns_names = NULL;
1278 const pcre *regex_From = NULL;
1279 const pcre *regex_IGNOREQUOTA = NULL;
1280 const pcre *regex_PIPELINING = NULL;
1281 const pcre *regex_SIZE = NULL;
1282 #ifndef DISABLE_PIPE_CONNECT
1283 const pcre *regex_EARLY_PIPE = NULL;
1284 #endif
1285 const pcre *regex_ismsgid = NULL;
1286 const pcre *regex_smtp_code = NULL;
1287 uschar *regex_vars[REGEX_VARS];
1288 #ifdef WHITELIST_D_MACROS
1289 const pcre *regex_whitelisted_macro = NULL;
1290 #endif
1291 #ifdef WITH_CONTENT_SCAN
1292 uschar *regex_match_string = NULL;
1293 #endif
1294 int remote_delivery_count = 0;
1295 int remote_max_parallel = 2;
1296 uschar *remote_sort_domains = NULL;
1297 int retry_data_expire = 7*24*60*60;
1298 int retry_interval_max = 24*60*60;
1299 int retry_maximum_timeout = 0; /* set from retry config */
1300 retry_config *retries = NULL;
1301 uschar *return_path = NULL;
1302 int rewrite_existflags = 0;
1303 uschar *rfc1413_hosts = US"@[]";
1304 int rfc1413_query_timeout = 0;
1305 uid_t root_gid = ROOT_GID;
1306 uid_t root_uid = ROOT_UID;
1307
1308 router_instance *routers = NULL;
1309 router_instance router_defaults = {
1310 .next = NULL,
1311 .name = NULL,
1312 .info = NULL,
1313 .options_block = NULL,
1314 .driver_name = NULL,
1315
1316 .address_data = NULL,
1317 #ifdef EXPERIMENTAL_BRIGHTMAIL
1318 .bmi_rule = NULL,
1319 #endif
1320 .cannot_route_message = NULL,
1321 .condition = NULL,
1322 .current_directory = NULL,
1323 .debug_string = NULL,
1324 .domains = NULL,
1325 .errors_to = NULL,
1326 .expand_gid = NULL,
1327 .expand_uid = NULL,
1328 .expand_more = NULL,
1329 .expand_unseen = NULL,
1330 .extra_headers = NULL,
1331 .fallback_hosts = NULL,
1332 .home_directory = NULL,
1333 .ignore_target_hosts = NULL,
1334 .local_parts = NULL,
1335 .pass_router_name = NULL,
1336 .prefix = NULL,
1337 .redirect_router_name = NULL,
1338 .remove_headers = NULL,
1339 .require_files = NULL,
1340 .router_home_directory = NULL,
1341 .self = US"freeze",
1342 .senders = NULL,
1343 .suffix = NULL,
1344 .translate_ip_address = NULL,
1345 .transport_name = NULL,
1346
1347 .address_test = TRUE,
1348 #ifdef EXPERIMENTAL_BRIGHTMAIL
1349 .bmi_deliver_alternate = FALSE,
1350 .bmi_deliver_default = FALSE,
1351 .bmi_dont_deliver = FALSE,
1352 #endif
1353 .expn = TRUE,
1354 .caseful_local_part = FALSE,
1355 .check_local_user = FALSE,
1356 .disable_logging = FALSE,
1357 .fail_verify_recipient = FALSE,
1358 .fail_verify_sender = FALSE,
1359 .gid_set = FALSE,
1360 .initgroups = FALSE,
1361 .log_as_local = TRUE_UNSET,
1362 .more = TRUE,
1363 .pass_on_timeout = FALSE,
1364 .prefix_optional = FALSE,
1365 .repeat_use = TRUE,
1366 .retry_use_local_part = TRUE_UNSET,
1367 .same_domain_copy_routing = FALSE,
1368 .self_rewrite = FALSE,
1369 .set = NULL,
1370 .suffix_optional = FALSE,
1371 .verify_only = FALSE,
1372 .verify_recipient = TRUE,
1373 .verify_sender = TRUE,
1374 .uid_set = FALSE,
1375 .unseen = FALSE,
1376 .dsn_lasthop = FALSE,
1377
1378 .self_code = self_freeze,
1379 .uid = (uid_t)(-1),
1380 .gid = (gid_t)(-1),
1381
1382 .fallback_hostlist = NULL,
1383 .transport = NULL,
1384 .pass_router = NULL,
1385 .redirect_router = NULL,
1386
1387 .dnssec = { .request= US"*", .require=NULL },
1388 };
1389
1390 uschar *router_name = NULL;
1391 tree_node *router_var = NULL;
1392
1393 ip_address_item *running_interfaces = NULL;
1394
1395 /* This is a weird one. The following string gets patched in the binary by the
1396 script that sets up a copy of Exim for running in the test harness. It seems
1397 that compilers are now clever, and share constant strings if they can.
1398 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1399 make use of the end of this string in order to save space. So the patching then
1400 wrecks this. We defeat this optimization by adding some additional characters
1401 onto the end of the string. */
1402
1403 uschar *running_status = US">>>running<<<" "\0EXTRA";
1404
1405 int runrc = 0;
1406
1407 uschar *search_error_message = NULL;
1408 uschar *self_hostname = NULL;
1409 uschar *sender_address = NULL;
1410 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1411 uschar *sender_address_data = NULL;
1412 uschar *sender_address_unrewritten = NULL;
1413 uschar *sender_data = NULL;
1414 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1415 uschar *sender_fullhost = NULL;
1416 uschar *sender_helo_name = NULL;
1417 uschar **sender_host_aliases = &no_aliases;
1418 uschar *sender_host_address = NULL;
1419 uschar *sender_host_authenticated = NULL;
1420 uschar *sender_host_auth_pubname = NULL;
1421 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1422 uschar *sender_host_name = NULL;
1423 int sender_host_port = 0;
1424 uschar *sender_ident = NULL;
1425 uschar *sender_rate = NULL;
1426 uschar *sender_rate_limit = NULL;
1427 uschar *sender_rate_period = NULL;
1428 uschar *sender_rcvhost = NULL;
1429 uschar *sender_unqualified_hosts = NULL;
1430 uschar *sender_verify_failure = NULL;
1431 address_item *sender_verified_list = NULL;
1432 address_item *sender_verified_failed = NULL;
1433 int sender_verified_rc = -1;
1434 uschar *sending_ip_address = NULL;
1435 int sending_port = -1;
1436 SIGNAL_BOOL sigalrm_seen = FALSE;
1437 const uschar *sigalarm_setter = NULL;
1438 uschar **sighup_argv = NULL;
1439 int slow_lookup_log = 0; /* millisecs, zero disables */
1440 int smtp_accept_count = 0;
1441 int smtp_accept_max = 20;
1442 int smtp_accept_max_nonmail= 10;
1443 uschar *smtp_accept_max_nonmail_hosts = US"*";
1444 int smtp_accept_max_per_connection = 1000;
1445 uschar *smtp_accept_max_per_host = NULL;
1446 int smtp_accept_queue = 0;
1447 int smtp_accept_queue_per_connection = 10;
1448 int smtp_accept_reserve = 0;
1449 uschar *smtp_active_hostname = NULL;
1450 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1451 "Exim $version_number $tod_full"
1452 "\0<---------------Space to patch smtp_banner->";
1453 int smtp_ch_index = 0;
1454 uschar *smtp_cmd_argument = NULL;
1455 uschar *smtp_cmd_buffer = NULL;
1456 struct timeval smtp_connection_start = {0,0};
1457 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1458 int smtp_connect_backlog = 20;
1459 double smtp_delay_mail = 0.0;
1460 double smtp_delay_rcpt = 0.0;
1461 FILE *smtp_in = NULL;
1462 int smtp_load_reserve = -1;
1463 int smtp_mailcmd_count = 0;
1464 FILE *smtp_out = NULL;
1465 uschar *smtp_etrn_command = NULL;
1466 int smtp_max_synprot_errors= 3;
1467 int smtp_max_unknown_commands = 3;
1468 uschar *smtp_notquit_reason = NULL;
1469 uschar *smtp_ratelimit_hosts = NULL;
1470 uschar *smtp_ratelimit_mail = NULL;
1471 uschar *smtp_ratelimit_rcpt = NULL;
1472 uschar *smtp_read_error = US"";
1473 int smtp_receive_timeout = 5*60;
1474 uschar *smtp_receive_timeout_s = NULL;
1475 uschar *smtp_reserve_hosts = NULL;
1476 int smtp_rlm_base = 0;
1477 double smtp_rlm_factor = 0.0;
1478 int smtp_rlm_limit = 0;
1479 int smtp_rlm_threshold = INT_MAX;
1480 int smtp_rlr_base = 0;
1481 double smtp_rlr_factor = 0.0;
1482 int smtp_rlr_limit = 0;
1483 int smtp_rlr_threshold = INT_MAX;
1484 unsigned smtp_peer_options = 0;
1485 unsigned smtp_peer_options_wrap= 0;
1486 #ifdef SUPPORT_I18N
1487 uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1488 #endif
1489
1490 #ifdef WITH_CONTENT_SCAN
1491 uschar *spamd_address = US"127.0.0.1 783";
1492 uschar *spam_bar = NULL;
1493 uschar *spam_report = NULL;
1494 uschar *spam_action = NULL;
1495 uschar *spam_score = NULL;
1496 uschar *spam_score_int = NULL;
1497 #endif
1498 #ifdef SUPPORT_SPF
1499 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1500 uschar *spf_header_comment = NULL;
1501 uschar *spf_received = NULL;
1502 uschar *spf_result = NULL;
1503 uschar *spf_smtp_comment = NULL;
1504 #endif
1505
1506 FILE *spool_data_file = NULL;
1507 uschar *spool_directory = US SPOOL_DIRECTORY
1508 "\0<--------------Space to patch spool_directory->";
1509 #ifdef EXPERIMENTAL_SRS
1510 uschar *srs_config = NULL;
1511 uschar *srs_db_address = NULL;
1512 uschar *srs_db_key = NULL;
1513 int srs_hashlength = 6;
1514 int srs_hashmin = -1;
1515 int srs_maxage = 31;
1516 uschar *srs_orig_recipient = NULL;
1517 uschar *srs_orig_sender = NULL;
1518 uschar *srs_recipient = NULL;
1519 uschar *srs_secrets = NULL;
1520 uschar *srs_status = NULL;
1521 #endif
1522 #ifdef EXPERIMENTAL_SRS_NATIVE
1523 uschar *srs_recipient = NULL;
1524 #endif
1525 int string_datestamp_offset= -1;
1526 int string_datestamp_length= 0;
1527 int string_datestamp_type = -1;
1528 uschar *submission_domain = NULL;
1529 uschar *submission_name = NULL;
1530 int syslog_facility = LOG_MAIL;
1531 uschar *syslog_processname = US"exim";
1532 uschar *system_filter = NULL;
1533
1534 uschar *system_filter_directory_transport = NULL;
1535 uschar *system_filter_file_transport = NULL;
1536 uschar *system_filter_pipe_transport = NULL;
1537 uschar *system_filter_reply_transport = NULL;
1538
1539 gid_t system_filter_gid = 0;
1540 uid_t system_filter_uid = (uid_t)-1;
1541
1542 blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1543 tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1544 #ifdef USE_TCP_WRAPPERS
1545 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1546 #endif
1547 int test_harness_load_avg = 0;
1548 int thismessage_size_limit = 0;
1549 int timeout_frozen_after = 0;
1550 #ifdef MEASURE_TIMING
1551 struct timeval timestamp_startup;
1552 #endif
1553
1554 transport_instance *transports = NULL;
1555
1556 transport_instance transport_defaults = {
1557 .next = NULL,
1558 .name = NULL,
1559 .info = NULL,
1560 .options_block = NULL,
1561 .driver_name = NULL,
1562 .setup = NULL,
1563 .batch_max = 1,
1564 .batch_id = NULL,
1565 .home_dir = NULL,
1566 .current_dir = NULL,
1567 .expand_multi_domain = NULL,
1568 .multi_domain = TRUE,
1569 .overrides_hosts = FALSE,
1570 .max_addresses = 100,
1571 .connection_max_messages = 500,
1572 .deliver_as_creator = FALSE,
1573 .disable_logging = FALSE,
1574 .initgroups = FALSE,
1575 .uid_set = FALSE,
1576 .gid_set = FALSE,
1577 .uid = (uid_t)(-1),
1578 .gid = (gid_t)(-1),
1579 .expand_uid = NULL,
1580 .expand_gid = NULL,
1581 .warn_message = NULL,
1582 .shadow = NULL,
1583 .shadow_condition = NULL,
1584 .filter_command = NULL,
1585 .add_headers = NULL,
1586 .remove_headers = NULL,
1587 .return_path = NULL,
1588 .debug_string = NULL,
1589 .max_parallel = NULL,
1590 .message_size_limit = NULL,
1591 .headers_rewrite = NULL,
1592 .rewrite_rules = NULL,
1593 .rewrite_existflags = 0,
1594 .filter_timeout = 300,
1595 .body_only = FALSE,
1596 .delivery_date_add = FALSE,
1597 .envelope_to_add = FALSE,
1598 .headers_only = FALSE,
1599 .rcpt_include_affixes = FALSE,
1600 .return_path_add = FALSE,
1601 .return_output = FALSE,
1602 .return_fail_output = FALSE,
1603 .log_output = FALSE,
1604 .log_fail_output = FALSE,
1605 .log_defer_output = FALSE,
1606 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1607 1 nor 0 so can detect unset */
1608 #ifndef DISABLE_EVENT
1609 .event_action = NULL
1610 #endif
1611 };
1612
1613 int transport_count;
1614 uschar *transport_name = NULL;
1615 int transport_newlines;
1616 const uschar **transport_filter_argv = NULL;
1617 int transport_filter_timeout;
1618 int transport_write_timeout= 0;
1619
1620 tree_node *tree_dns_fails = NULL;
1621 tree_node *tree_duplicates = NULL;
1622 tree_node *tree_nonrecipients = NULL;
1623 tree_node *tree_unusable = NULL;
1624
1625 gid_t *trusted_groups = NULL;
1626 uid_t *trusted_users = NULL;
1627 uschar *timezone_string = US TIMEZONE_DEFAULT;
1628
1629 uschar *unknown_login = NULL;
1630 uschar *unknown_username = NULL;
1631 uschar *untrusted_set_sender = NULL;
1632
1633 /* A regex for matching a "From_" line in an incoming message, in the form
1634
1635 From ph10 Fri Jan 5 12:35 GMT 1996
1636
1637 which the "mail" commands send to the MTA (undocumented, of course), or in
1638 the form
1639
1640 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1641
1642 which is apparently used by some UUCPs, despite it not being in RFC 976.
1643 Because of variations in time formats, just match up to the minutes. That
1644 should be sufficient. Examples have been seen of time fields like 12:1:03,
1645 so just require one digit for hours and minutes. The weekday is also absent
1646 in some forms. */
1647
1648 uschar *uucp_from_pattern = US
1649 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1650 "(?:" /* Non-extracting bracket */
1651 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1652 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1653 ")" /* End alternation */
1654 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1655
1656 uschar *uucp_from_sender = US"$1";
1657
1658 uschar *verify_mode = NULL;
1659 uschar *version_copyright =
1660 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1661 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1662 uschar *version_date = US"?";
1663 uschar *version_cnumber = US"????";
1664 uschar *version_string = US"?";
1665
1666 uschar *warn_message_file = NULL;
1667 int warning_count = 0;
1668 uschar *warnmsg_delay = NULL;
1669 uschar *warnmsg_recipients = NULL;
1670
1671
1672 /* End of globals.c */
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