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Fix local-scan ABI. Bug 2458
[exim.git] / src / src / globals.c
... / ...
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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
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist 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
38int optionlist_auths_size = nelem(optionlist_auths);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52BOOL opt_perl_taintmode = FALSE;
53#endif
54
55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
69uschar *eldap_default_servers = NULL;
70uschar *eldap_require_cert = NULL;
71int eldap_version = -1;
72BOOL eldap_start_tls = FALSE;
73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
87#ifdef LOOKUP_REDIS
88uschar *redis_servers = NULL;
89#endif
90
91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. Note that these are
102only used for smtp connections, not for service-daemon access. */
103
104tls_support tls_in = {
105 .active = {.sock = -1}
106 /* all other elements zero */
107};
108tls_support tls_out = {
109 .active = {.sock = -1},
110 /* all other elements zero */
111};
112
113uschar *dsn_envid = NULL;
114int dsn_ret = 0;
115const pcre *regex_DSN = NULL;
116uschar *dsn_advertise_hosts = NULL;
117
118#ifndef DISABLE_TLS
119BOOL gnutls_compat_mode = FALSE;
120BOOL gnutls_allow_auto_pkcs11 = FALSE;
121uschar *openssl_options = NULL;
122const pcre *regex_STARTTLS = NULL;
123uschar *tls_advertise_hosts = US"*";
124uschar *tls_certificate = NULL;
125uschar *tls_crl = NULL;
126/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
127that's the interop problem which has been observed: GnuTLS suggesting a higher
128bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
129int tls_dh_max_bits = 2236;
130uschar *tls_dhparam = NULL;
131uschar *tls_eccurve = US"auto";
132# ifndef DISABLE_OCSP
133uschar *tls_ocsp_file = NULL;
134# endif
135uschar *tls_privatekey = NULL;
136BOOL tls_remember_esmtp = FALSE;
137uschar *tls_require_ciphers = NULL;
138# ifdef EXPERIMENTAL_TLS_RESUME
139uschar *tls_resumption_hosts = NULL;
140# endif
141uschar *tls_try_verify_hosts = NULL;
142uschar *tls_verify_certificates= US"system";
143uschar *tls_verify_hosts = NULL;
144#else /*DISABLE_TLS*/
145uschar *tls_advertise_hosts = NULL;
146#endif
147
148#ifndef DISABLE_PRDR
149/* Per Recipient Data Response variables */
150BOOL prdr_enable = FALSE;
151BOOL prdr_requested = FALSE;
152const pcre *regex_PRDR = NULL;
153#endif
154
155#ifdef SUPPORT_I18N
156const pcre *regex_UTF8 = NULL;
157#endif
158
159/* Input-reading functions for messages, so we can use special ones for
160incoming TCP/IP. The defaults use stdin. We never need these for any
161stand-alone tests. */
162
163#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
164int (*lwr_receive_getc)(unsigned) = stdin_getc;
165uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
166int (*lwr_receive_ungetc)(int) = stdin_ungetc;
167int (*receive_getc)(unsigned) = stdin_getc;
168uschar * (*receive_getbuf)(unsigned *) = NULL;
169void (*receive_get_cache)(void)= NULL;
170int (*receive_ungetc)(int) = stdin_ungetc;
171int (*receive_feof)(void) = stdin_feof;
172int (*receive_ferror)(void) = stdin_ferror;
173BOOL (*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
178when verifying one address while routing/verifying another. We have to have
179the size explicit, because it is referenced from more than one module. */
180
181const 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
201int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
202
203/******************************************************************************/
204/* General global variables. Boolean flags are done as a group
205so that only one bit each is needed, packed, for all those we never
206need to take a pointer - and only a char for the rest.
207This means a struct, unfortunately since it clutters the sourcecode. */
208
209struct 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,
327so an address is needed for access, or are exported to local_scan. */
328
329BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
330BOOL allow_domain_literals = FALSE;
331BOOL allow_mx_to_ip = FALSE;
332BOOL allow_utf8_domains = FALSE;
333BOOL authentication_failed = FALSE;
334
335BOOL bounce_return_body = TRUE;
336BOOL bounce_return_message = TRUE;
337BOOL check_rfc2047_length = TRUE;
338BOOL commandline_checks_require_admin = FALSE;
339
340#ifdef EXPERIMENTAL_DCC
341BOOL dcc_direct_add_header = FALSE;
342#endif
343BOOL debug_store = FALSE;
344BOOL delivery_date_remove = TRUE;
345BOOL deliver_drop_privilege = FALSE;
346#ifdef ENABLE_DISABLE_FSYNC
347BOOL disable_fsync = FALSE;
348#endif
349BOOL disable_ipv6 = FALSE;
350BOOL dns_csa_use_reverse = TRUE;
351BOOL drop_cr = FALSE; /* No longer used */
352
353BOOL envelope_to_remove = TRUE;
354BOOL exim_gid_set = TRUE; /* This gid is always set */
355BOOL exim_uid_set = TRUE; /* This uid is always set */
356BOOL extract_addresses_remove_arguments = TRUE;
357
358BOOL host_checking = FALSE;
359BOOL host_lookup_deferred = FALSE;
360BOOL host_lookup_failed = FALSE;
361BOOL ignore_fromline_local = FALSE;
362
363BOOL local_from_check = TRUE;
364BOOL local_sender_retain = FALSE;
365BOOL log_timezone = FALSE;
366BOOL message_body_newlines = FALSE;
367BOOL message_logs = TRUE;
368#ifdef SUPPORT_I18N
369BOOL message_smtputf8 = FALSE;
370#endif
371BOOL mua_wrapper = FALSE;
372
373BOOL preserve_message_logs = FALSE;
374BOOL print_topbitchars = FALSE;
375BOOL prod_requires_admin = TRUE;
376#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
377BOOL proxy_session = FALSE;
378#endif
379
380BOOL queue_list_requires_admin = TRUE;
381BOOL queue_only = FALSE;
382BOOL queue_only_load_latch = TRUE;
383BOOL queue_only_override = TRUE;
384BOOL queue_run_in_order = FALSE;
385BOOL recipients_max_reject = FALSE;
386BOOL return_path_remove = TRUE;
387
388BOOL smtp_batched_input = FALSE;
389BOOL sender_helo_dnssec = FALSE;
390BOOL sender_host_dnssec = FALSE;
391BOOL smtp_accept_keepalive = TRUE;
392BOOL smtp_check_spool_space = TRUE;
393BOOL smtp_enforce_sync = TRUE;
394BOOL smtp_etrn_serialize = TRUE;
395BOOL smtp_input = FALSE;
396BOOL smtp_return_error_details = FALSE;
397#ifdef SUPPORT_SPF
398BOOL spf_result_guessed = FALSE;
399#endif
400BOOL split_spool_directory = FALSE;
401BOOL spool_wireformat = FALSE;
402#ifdef EXPERIMENTAL_SRS
403BOOL srs_usehash = TRUE;
404BOOL srs_usetimestamp = TRUE;
405#endif
406BOOL strict_acl_vars = FALSE;
407BOOL strip_excess_angle_brackets = FALSE;
408BOOL strip_trailing_dot = FALSE;
409BOOL syslog_duplication = TRUE;
410BOOL syslog_pid = TRUE;
411BOOL syslog_timestamp = TRUE;
412BOOL system_filter_gid_set = FALSE;
413BOOL system_filter_uid_set = FALSE;
414
415BOOL tcp_nodelay = TRUE;
416BOOL write_rejectlog = TRUE;
417
418/******************************************************************************/
419
420header_line *acl_added_headers = NULL;
421tree_node *acl_anchor = NULL;
422uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
423 NULL, NULL, NULL, NULL};
424int acl_narg = 0;
425
426int acl_level = 0;
427
428uschar *acl_not_smtp = NULL;
429#ifdef WITH_CONTENT_SCAN
430uschar *acl_not_smtp_mime = NULL;
431#endif
432uschar *acl_not_smtp_start = NULL;
433uschar *acl_removed_headers = NULL;
434uschar *acl_smtp_auth = NULL;
435uschar *acl_smtp_connect = NULL;
436uschar *acl_smtp_data = NULL;
437#ifndef DISABLE_PRDR
438uschar *acl_smtp_data_prdr = US"accept";
439#endif
440#ifndef DISABLE_DKIM
441uschar *acl_smtp_dkim = NULL;
442#endif
443uschar *acl_smtp_etrn = NULL;
444uschar *acl_smtp_expn = NULL;
445uschar *acl_smtp_helo = NULL;
446uschar *acl_smtp_mail = NULL;
447uschar *acl_smtp_mailauth = NULL;
448#ifdef WITH_CONTENT_SCAN
449uschar *acl_smtp_mime = NULL;
450#endif
451uschar *acl_smtp_notquit = NULL;
452uschar *acl_smtp_predata = NULL;
453uschar *acl_smtp_quit = NULL;
454uschar *acl_smtp_rcpt = NULL;
455uschar *acl_smtp_starttls = NULL;
456uschar *acl_smtp_vrfy = NULL;
457
458tree_node *acl_var_c = NULL;
459tree_node *acl_var_m = NULL;
460uschar *acl_verify_message = NULL;
461string_item *acl_warn_logged = NULL;
462
463/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
464error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
465
466uschar *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
491uschar *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
516uschar *add_environment = NULL;
517address_item *addr_duplicate = NULL;
518
519address_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
601uschar *address_file = NULL;
602uschar *address_pipe = NULL;
603tree_node *addresslist_anchor = NULL;
604int addresslist_count = 0;
605gid_t *admin_groups = NULL;
606
607#ifdef EXPERIMENTAL_ARC
608struct arc_set *arc_received = NULL;
609int arc_received_instance = 0;
610int arc_oldest_pass = 0;
611const uschar *arc_state = NULL;
612const uschar *arc_state_reason = NULL;
613#endif
614
615uschar *authenticated_fail_id = NULL;
616uschar *authenticated_id = NULL;
617uschar *authenticated_sender = NULL;
618auth_instance *auths = NULL;
619uschar *auth_advertise_hosts = US"*";
620auth_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
639uschar *auth_defer_msg = US"reason not recorded";
640uschar *auth_defer_user_msg = US"";
641uschar *auth_vars[AUTH_VARS];
642int auto_thaw = 0;
643#ifdef WITH_CONTENT_SCAN
644int av_failed = FALSE; /* boolean but accessed as vtype_int*/
645uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
646#endif
647
648#if BASE_62 == 62
649uschar *base62_chars=
650 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
651#else
652uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
653#endif
654
655uschar *bi_command = NULL;
656uschar *big_buffer = NULL;
657int big_buffer_size = BIG_BUFFER_SIZE;
658#ifdef EXPERIMENTAL_BRIGHTMAIL
659uschar *bmi_alt_location = NULL;
660uschar *bmi_base64_tracker_verdict = NULL;
661uschar *bmi_base64_verdict = NULL;
662uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
663int bmi_deliver = 1;
664int bmi_run = 0;
665uschar *bmi_verdicts = NULL;
666#endif
667int bsmtp_transaction_linecount = 0;
668int body_8bitmime = 0;
669int body_linecount = 0;
670int body_zerocount = 0;
671uschar *bounce_message_file = NULL;
672uschar *bounce_message_text = NULL;
673uschar *bounce_recipient = NULL;
674int bounce_return_linesize_limit = 998;
675int bounce_return_size_limit = 100*1024;
676uschar *bounce_sender_authentication = NULL;
677
678uschar *callout_address = NULL;
679int callout_cache_domain_positive_expire = 7*24*60*60;
680int callout_cache_domain_negative_expire = 3*60*60;
681int callout_cache_positive_expire = 24*60*60;
682int callout_cache_negative_expire = 2*60*60;
683uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
684uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
685int check_log_inodes = 100;
686int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
687int check_spool_inodes = 100;
688int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
689
690uschar *chunking_advertise_hosts = US"*";
691unsigned chunking_datasize = 0;
692unsigned chunking_data_left = 0;
693chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
694const pcre *regex_CHUNKING = NULL;
695
696uschar *client_authenticator = NULL;
697uschar *client_authenticated_id = NULL;
698uschar *client_authenticated_sender = NULL;
699int clmacro_count = 0;
700uschar *clmacros[MAX_CLMACROS];
701FILE *config_file = NULL;
702const uschar *config_filename = NULL;
703int config_lineno = 0;
704#ifdef CONFIGURE_GROUP
705gid_t config_gid = CONFIGURE_GROUP;
706#else
707gid_t config_gid = 0;
708#endif
709uschar *config_main_filelist = US CONFIGURE_FILE
710 "\0<-----------Space to patch configure_filename->";
711uschar *config_main_filename = NULL;
712uschar *config_main_directory = NULL;
713
714#ifdef CONFIGURE_OWNER
715uid_t config_uid = CONFIGURE_OWNER;
716#else
717uid_t config_uid = 0;
718#endif
719
720int connection_max_messages= -1;
721uschar *continue_proxy_cipher = NULL;
722uschar *continue_hostname = NULL;
723uschar *continue_host_address = NULL;
724int continue_sequence = 1;
725uschar *continue_transport = NULL;
726
727uschar *csa_status = NULL;
728cut_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
737uschar *daemon_smtp_port = US"smtp";
738int daemon_startup_retries = 9;
739int daemon_startup_sleep = 30;
740
741#ifdef EXPERIMENTAL_DCC
742uschar *dcc_header = NULL;
743uschar *dcc_result = NULL;
744uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
745uschar *dccifd_options = US"header";
746#endif
747
748int debug_fd = -1;
749FILE *debug_file = NULL;
750int debug_notall[] = {
751 Di_memory,
752 Di_noutf8,
753 -1
754};
755bit_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};
790int debug_options_count = nelem(debug_options);
791
792unsigned int debug_selector = 0;
793int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
794uschar *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{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
799 "} {no}{yes}}";
800uschar *deliver_address_data = NULL;
801int deliver_datafile = -1;
802const uschar *deliver_domain = NULL;
803uschar *deliver_domain_data = NULL;
804const uschar *deliver_domain_orig = NULL;
805const uschar *deliver_domain_parent = NULL;
806time_t deliver_frozen_at = 0;
807uschar *deliver_home = NULL;
808const uschar *deliver_host = NULL;
809const uschar *deliver_host_address = NULL;
810int deliver_host_port = 0;
811uschar *deliver_in_buffer = NULL;
812ino_t deliver_inode = 0;
813uschar *deliver_localpart = NULL;
814uschar *deliver_localpart_data = NULL;
815uschar *deliver_localpart_orig = NULL;
816uschar *deliver_localpart_parent = NULL;
817uschar *deliver_localpart_prefix = NULL;
818uschar *deliver_localpart_suffix = NULL;
819uschar *deliver_out_buffer = NULL;
820int deliver_queue_load_max = -1;
821address_item *deliver_recipients = NULL;
822uschar *deliver_selectstring = NULL;
823uschar *deliver_selectstring_sender = NULL;
824
825#ifndef DISABLE_DKIM
826unsigned dkim_collect_input = 0;
827uschar *dkim_cur_signer = NULL;
828int dkim_key_length = 0;
829void *dkim_signatures = NULL;
830uschar *dkim_signers = NULL;
831uschar *dkim_signing_domain = NULL;
832uschar *dkim_signing_selector = NULL;
833uschar *dkim_verify_hashes = US"sha256:sha512:sha1";
834uschar *dkim_verify_keytypes = US"ed25519:rsa";
835BOOL dkim_verify_minimal = FALSE;
836uschar *dkim_verify_overall = NULL;
837uschar *dkim_verify_signers = US"$dkim_signers";
838uschar *dkim_verify_status = NULL;
839uschar *dkim_verify_reason = NULL;
840#endif
841#ifdef SUPPORT_DMARC
842uschar *dmarc_domain_policy = NULL;
843uschar *dmarc_forensic_sender = NULL;
844uschar *dmarc_history_file = NULL;
845uschar *dmarc_status = NULL;
846uschar *dmarc_status_text = NULL;
847uschar *dmarc_tld_file = US DMARC_TLD_FILE;
848uschar *dmarc_used_domain = NULL;
849#endif
850
851uschar *dns_again_means_nonexist = NULL;
852int dns_csa_search_limit = 5;
853int dns_cname_loops = 1;
854#ifdef SUPPORT_DANE
855int dns_dane_ok = -1;
856#endif
857uschar *dns_ipv4_lookup = NULL;
858int dns_retrans = 0;
859int dns_retry = 0;
860int dns_dnssec_ok = -1; /* <0 = not coerced */
861uschar *dns_trust_aa = NULL;
862int dns_use_edns0 = -1; /* <0 = not coerced */
863uschar *dnslist_domain = NULL;
864uschar *dnslist_matched = NULL;
865uschar *dnslist_text = NULL;
866uschar *dnslist_value = NULL;
867tree_node *domainlist_anchor = NULL;
868int domainlist_count = 0;
869uschar *dsn_from = US DEFAULT_DSN_FROM;
870
871int errno_quota = ERRNO_QUOTA;
872uschar *errors_copy = NULL;
873int error_handling = ERRORS_SENDER;
874uschar *errors_reply_to = NULL;
875int errors_sender_rc = EXIT_FAILURE;
876#ifndef DISABLE_EVENT
877uschar *event_action = NULL; /* expansion for delivery events */
878uschar *event_data = NULL; /* auxiliary data variable for event */
879int event_defer_errno = 0;
880const uschar *event_name = NULL; /* event name variable */
881#endif
882
883
884gid_t exim_gid = EXIM_GID;
885uschar *exim_path = US BIN_DIRECTORY "/exim"
886 "\0<---------------Space to patch exim_path->";
887uid_t exim_uid = EXIM_UID;
888int expand_level = 0; /* Nesting depth, indent for debug */
889int expand_forbid = 0;
890int expand_nlength[EXPAND_MAXN+1];
891int expand_nmax = -1;
892uschar *expand_nstring[EXPAND_MAXN+1];
893uschar *expand_string_message;
894uschar *extra_local_interfaces = NULL;
895
896int fake_response = OK;
897uschar *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).";
901int filter_n[FILTER_VARIABLE_COUNT];
902int filter_sn[FILTER_VARIABLE_COUNT];
903int filter_test = FTEST_NONE;
904uschar *filter_test_sfile = NULL;
905uschar *filter_test_ufile = NULL;
906uschar *filter_thisaddress = NULL;
907int finduser_retries = 0;
908uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
909uschar *freeze_tell = NULL;
910uschar *freeze_tell_config = NULL;
911uschar *fudged_queue_times = US"";
912
913uschar *gecos_name = NULL;
914uschar *gecos_pattern = NULL;
915rewrite_rule *global_rewrite_rules = NULL;
916
917volatile sig_atomic_t had_command_timeout = 0;
918volatile sig_atomic_t had_command_sigterm = 0;
919volatile sig_atomic_t had_data_timeout = 0;
920volatile sig_atomic_t had_data_sigint = 0;
921uschar *headers_charset = US HEADERS_CHARSET;
922int header_insert_maxlen = 64 * 1024;
923header_line *header_last = NULL;
924header_line *header_list = NULL;
925int header_maxsize = HEADER_MAXSIZE;
926int header_line_maxsize = 0;
927
928header_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
945int header_names_size = nelem(header_names);
946
947uschar *helo_accept_junk_hosts = NULL;
948uschar *helo_allow_chars = US"";
949uschar *helo_lookup_domains = US"@ : @[]";
950uschar *helo_try_verify_hosts = NULL;
951uschar *helo_verify_hosts = NULL;
952const uschar *hex_digits = CUS"0123456789abcdef";
953uschar *hold_domains = NULL;
954uschar *host_data = NULL;
955uschar *host_lookup = NULL;
956uschar *host_lookup_order = US"bydns:byaddr";
957uschar *host_lookup_msg = US"";
958int host_number = 0;
959uschar *host_number_string = NULL;
960uschar *host_reject_connection = NULL;
961tree_node *hostlist_anchor = NULL;
962int hostlist_count = 0;
963uschar *hosts_treat_as_local = NULL;
964uschar *hosts_connection_nolog = NULL;
965
966int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
967uschar *ignore_fromline_hosts = NULL;
968int inetd_wait_timeout = -1;
969uschar *initial_cwd = NULL;
970uschar *interface_address = NULL;
971int interface_port = -1;
972uschar *iterate_item = NULL;
973
974int journal_fd = -1;
975
976uschar *keep_environment = NULL;
977
978int keep_malformed = 4*24*60*60; /* 4 days */
979
980uschar *eldap_dn = NULL;
981int load_average = -2;
982uschar *local_from_prefix = NULL;
983uschar *local_from_suffix = NULL;
984
985#if HAVE_IPV6
986uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
987#else
988uschar *local_interfaces = US"0.0.0.0";
989#endif
990
991#ifdef HAVE_LOCAL_SCAN
992uschar *local_scan_data = NULL;
993int local_scan_timeout = 5*60;
994#endif
995gid_t local_user_gid = (gid_t)(-1);
996uid_t local_user_uid = (uid_t)(-1);
997
998tree_node *localpartlist_anchor= NULL;
999int localpartlist_count = 0;
1000uschar *log_buffer = NULL;
1001
1002int 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
1025uschar *log_file_path = US LOG_FILE_PATH
1026 "\0<--------------Space to patch log_file_path->";
1027
1028int log_notall[] = {
1029 -1
1030};
1031bit_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};
1094int log_options_count = nelem(log_options);
1095
1096int log_reject_target = 0;
1097unsigned int log_selector[log_selector_size]; /* initialized in main() */
1098uschar *log_selector_string = NULL;
1099FILE *log_stderr = NULL;
1100uschar *login_sender_address = NULL;
1101uschar *lookup_dnssec_authenticated = NULL;
1102int lookup_open_max = 25;
1103uschar *lookup_value = NULL;
1104
1105macro_item *macros_user = NULL;
1106uschar *mailstore_basename = NULL;
1107#ifdef WITH_CONTENT_SCAN
1108uschar *malware_name = NULL; /* Virus Name */
1109#endif
1110int max_received_linelength= 0;
1111int max_username_length = 0;
1112int message_age = 0;
1113uschar *message_body = NULL;
1114uschar *message_body_end = NULL;
1115int message_body_size = 0;
1116int message_body_visible = 500;
1117int message_ended = END_NOTSTARTED;
1118uschar *message_headers = NULL;
1119uschar *message_id;
1120uschar *message_id_domain = NULL;
1121uschar *message_id_text = NULL;
1122struct timeval message_id_tv = { 0, 0 };
1123uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1124uschar *message_id_external;
1125int message_linecount = 0;
1126int message_size = 0;
1127uschar *message_size_limit = US"50M";
1128#ifdef SUPPORT_I18N
1129int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1130#endif
1131uschar message_subdir[2] = { 0, 0 };
1132uschar *message_reference = NULL;
1133
1134/* MIME ACL expandables */
1135#ifdef WITH_CONTENT_SCAN
1136int mime_anomaly_level = 0;
1137const uschar *mime_anomaly_text = NULL;
1138uschar *mime_boundary = NULL;
1139uschar *mime_charset = NULL;
1140uschar *mime_content_description = NULL;
1141uschar *mime_content_disposition = NULL;
1142uschar *mime_content_id = NULL;
1143unsigned int mime_content_size = 0;
1144uschar *mime_content_transfer_encoding = NULL;
1145uschar *mime_content_type = NULL;
1146uschar *mime_decoded_filename = NULL;
1147uschar *mime_filename = NULL;
1148int mime_is_multipart = 0;
1149int mime_is_coverletter = 0;
1150int mime_is_rfc822 = 0;
1151int mime_part_count = -1;
1152#endif
1153
1154uid_t *never_users = NULL;
1155
1156const int on = 1; /* for setsockopt */
1157const int off = 0;
1158
1159uid_t original_euid;
1160gid_t originator_gid;
1161uschar *originator_login = NULL;
1162uschar *originator_name = NULL;
1163uid_t originator_uid;
1164uschar *override_local_interfaces = NULL;
1165uschar *override_pid_file_path = NULL;
1166
1167uschar *percent_hack_domains = NULL;
1168uschar *pid_file_path = US PID_FILE_PATH
1169 "\0<--------------Space to patch pid_file_path->";
1170#ifdef SUPPORT_PIPE_CONNECT
1171uschar *pipe_connect_advertise_hosts = US"*";
1172#endif
1173uschar *pipelining_advertise_hosts = US"*";
1174uschar *primary_hostname = NULL;
1175uschar *process_info;
1176int process_info_len = 0;
1177uschar *process_log_path = NULL;
1178
1179#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1180uschar *hosts_proxy = NULL;
1181uschar *proxy_external_address = NULL;
1182int proxy_external_port = 0;
1183uschar *proxy_local_address = NULL;
1184int proxy_local_port = 0;
1185#endif
1186
1187uschar *prvscheck_address = NULL;
1188uschar *prvscheck_keynum = NULL;
1189uschar *prvscheck_result = NULL;
1190
1191
1192const uschar *qualify_domain_recipient = NULL;
1193uschar *qualify_domain_sender = NULL;
1194uschar *queue_domains = NULL;
1195int queue_interval = -1;
1196uschar *queue_name = US"";
1197uschar *queue_name_dest = NULL;
1198uschar *queue_only_file = NULL;
1199int queue_only_load = -1;
1200uschar *queue_run_max = US"5";
1201pid_t queue_run_pid = (pid_t)0;
1202int queue_run_pipe = -1;
1203uschar *queue_smtp_domains = NULL;
1204
1205uint32_t random_seed = 0;
1206tree_node *ratelimiters_cmd = NULL;
1207tree_node *ratelimiters_conn = NULL;
1208tree_node *ratelimiters_mail = NULL;
1209uschar *raw_active_hostname = NULL;
1210uschar *raw_sender = NULL;
1211uschar **raw_recipients = NULL;
1212int raw_recipients_count = 0;
1213
1214int rcpt_count = 0;
1215int rcpt_fail_count = 0;
1216int rcpt_defer_count = 0;
1217gid_t real_gid;
1218uid_t real_uid;
1219int receive_linecount = 0;
1220int receive_messagecount = 0;
1221int receive_timeout = 0;
1222int received_count = 0;
1223uschar *received_for = NULL;
1224
1225/* This is the default text for Received headers generated by Exim. The
1226date will be automatically added on the end. */
1227
1228uschar *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
1244int received_headers_max = 30;
1245uschar *received_protocol = NULL;
1246struct timeval received_time = { 0, 0 };
1247struct timeval received_time_taken = { 0, 0 };
1248uschar *recipient_data = NULL;
1249uschar *recipient_unqualified_hosts = NULL;
1250uschar *recipient_verify_failure = NULL;
1251int recipients_count = 0;
1252recipient_item *recipients_list = NULL;
1253int recipients_list_max = 0;
1254int recipients_max = 0;
1255const pcre *regex_AUTH = NULL;
1256const pcre *regex_check_dns_names = NULL;
1257const pcre *regex_From = NULL;
1258const pcre *regex_IGNOREQUOTA = NULL;
1259const pcre *regex_PIPELINING = NULL;
1260const pcre *regex_SIZE = NULL;
1261#ifdef SUPPORT_PIPE_CONNECT
1262const pcre *regex_EARLY_PIPE = NULL;
1263#endif
1264const pcre *regex_ismsgid = NULL;
1265const pcre *regex_smtp_code = NULL;
1266uschar *regex_vars[REGEX_VARS];
1267#ifdef WHITELIST_D_MACROS
1268const pcre *regex_whitelisted_macro = NULL;
1269#endif
1270#ifdef WITH_CONTENT_SCAN
1271uschar *regex_match_string = NULL;
1272#endif
1273int remote_delivery_count = 0;
1274int remote_max_parallel = 2;
1275uschar *remote_sort_domains = NULL;
1276int retry_data_expire = 7*24*60*60;
1277int retry_interval_max = 24*60*60;
1278int retry_maximum_timeout = 0; /* set from retry config */
1279retry_config *retries = NULL;
1280uschar *return_path = NULL;
1281int rewrite_existflags = 0;
1282uschar *rfc1413_hosts = US"@[]";
1283int rfc1413_query_timeout = 0;
1284uid_t root_gid = ROOT_GID;
1285uid_t root_uid = ROOT_UID;
1286
1287router_instance *routers = NULL;
1288router_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
1369uschar *router_name = NULL;
1370tree_node *router_var = NULL;
1371
1372ip_address_item *running_interfaces = NULL;
1373
1374/* This is a weird one. The following string gets patched in the binary by the
1375script that sets up a copy of Exim for running in the test harness. It seems
1376that compilers are now clever, and share constant strings if they can.
1377Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1378make use of the end of this string in order to save space. So the patching then
1379wrecks this. We defeat this optimization by adding some additional characters
1380onto the end of the string. */
1381
1382uschar *running_status = US">>>running<<<" "\0EXTRA";
1383
1384int runrc = 0;
1385
1386uschar *search_error_message = NULL;
1387uschar *self_hostname = NULL;
1388uschar *sender_address = NULL;
1389unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1390uschar *sender_address_data = NULL;
1391uschar *sender_address_unrewritten = NULL;
1392uschar *sender_data = NULL;
1393unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1394uschar *sender_fullhost = NULL;
1395uschar *sender_helo_name = NULL;
1396uschar **sender_host_aliases = &no_aliases;
1397uschar *sender_host_address = NULL;
1398uschar *sender_host_authenticated = NULL;
1399uschar *sender_host_auth_pubname = NULL;
1400unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1401uschar *sender_host_name = NULL;
1402int sender_host_port = 0;
1403uschar *sender_ident = NULL;
1404uschar *sender_rate = NULL;
1405uschar *sender_rate_limit = NULL;
1406uschar *sender_rate_period = NULL;
1407uschar *sender_rcvhost = NULL;
1408uschar *sender_unqualified_hosts = NULL;
1409uschar *sender_verify_failure = NULL;
1410address_item *sender_verified_list = NULL;
1411address_item *sender_verified_failed = NULL;
1412int sender_verified_rc = -1;
1413uschar *sending_ip_address = NULL;
1414int sending_port = -1;
1415SIGNAL_BOOL sigalrm_seen = FALSE;
1416const uschar *sigalarm_setter = NULL;
1417uschar **sighup_argv = NULL;
1418int slow_lookup_log = 0; /* millisecs, zero disables */
1419int smtp_accept_count = 0;
1420int smtp_accept_max = 20;
1421int smtp_accept_max_nonmail= 10;
1422uschar *smtp_accept_max_nonmail_hosts = US"*";
1423int smtp_accept_max_per_connection = 1000;
1424uschar *smtp_accept_max_per_host = NULL;
1425int smtp_accept_queue = 0;
1426int smtp_accept_queue_per_connection = 10;
1427int smtp_accept_reserve = 0;
1428uschar *smtp_active_hostname = NULL;
1429uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1430 "Exim $version_number $tod_full"
1431 "\0<---------------Space to patch smtp_banner->";
1432int smtp_ch_index = 0;
1433uschar *smtp_cmd_argument = NULL;
1434uschar *smtp_cmd_buffer = NULL;
1435struct timeval smtp_connection_start = {0,0};
1436uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1437int smtp_connect_backlog = 20;
1438double smtp_delay_mail = 0.0;
1439double smtp_delay_rcpt = 0.0;
1440FILE *smtp_in = NULL;
1441int smtp_load_reserve = -1;
1442int smtp_mailcmd_count = 0;
1443FILE *smtp_out = NULL;
1444uschar *smtp_etrn_command = NULL;
1445int smtp_max_synprot_errors= 3;
1446int smtp_max_unknown_commands = 3;
1447uschar *smtp_notquit_reason = NULL;
1448uschar *smtp_ratelimit_hosts = NULL;
1449uschar *smtp_ratelimit_mail = NULL;
1450uschar *smtp_ratelimit_rcpt = NULL;
1451uschar *smtp_read_error = US"";
1452int smtp_receive_timeout = 5*60;
1453uschar *smtp_receive_timeout_s = NULL;
1454uschar *smtp_reserve_hosts = NULL;
1455int smtp_rlm_base = 0;
1456double smtp_rlm_factor = 0.0;
1457int smtp_rlm_limit = 0;
1458int smtp_rlm_threshold = INT_MAX;
1459int smtp_rlr_base = 0;
1460double smtp_rlr_factor = 0.0;
1461int smtp_rlr_limit = 0;
1462int smtp_rlr_threshold = INT_MAX;
1463unsigned smtp_peer_options = 0;
1464unsigned smtp_peer_options_wrap= 0;
1465#ifdef SUPPORT_I18N
1466uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1467#endif
1468
1469#ifdef WITH_CONTENT_SCAN
1470uschar *spamd_address = US"127.0.0.1 783";
1471uschar *spam_bar = NULL;
1472uschar *spam_report = NULL;
1473uschar *spam_action = NULL;
1474uschar *spam_score = NULL;
1475uschar *spam_score_int = NULL;
1476#endif
1477#ifdef SUPPORT_SPF
1478uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1479uschar *spf_header_comment = NULL;
1480uschar *spf_received = NULL;
1481uschar *spf_result = NULL;
1482uschar *spf_smtp_comment = NULL;
1483#endif
1484
1485FILE *spool_data_file = NULL;
1486uschar *spool_directory = US SPOOL_DIRECTORY
1487 "\0<--------------Space to patch spool_directory->";
1488#ifdef EXPERIMENTAL_SRS
1489uschar *srs_config = NULL;
1490uschar *srs_db_address = NULL;
1491uschar *srs_db_key = NULL;
1492int srs_hashlength = 6;
1493int srs_hashmin = -1;
1494int srs_maxage = 31;
1495uschar *srs_orig_recipient = NULL;
1496uschar *srs_orig_sender = NULL;
1497uschar *srs_recipient = NULL;
1498uschar *srs_secrets = NULL;
1499uschar *srs_status = NULL;
1500#endif
1501int string_datestamp_offset= -1;
1502int string_datestamp_length= 0;
1503int string_datestamp_type = -1;
1504uschar *submission_domain = NULL;
1505uschar *submission_name = NULL;
1506int syslog_facility = LOG_MAIL;
1507uschar *syslog_processname = US"exim";
1508uschar *system_filter = NULL;
1509
1510uschar *system_filter_directory_transport = NULL;
1511uschar *system_filter_file_transport = NULL;
1512uschar *system_filter_pipe_transport = NULL;
1513uschar *system_filter_reply_transport = NULL;
1514
1515gid_t system_filter_gid = 0;
1516uid_t system_filter_uid = (uid_t)-1;
1517
1518blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1519tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1520#ifdef USE_TCP_WRAPPERS
1521uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1522#endif
1523int test_harness_load_avg = 0;
1524int thismessage_size_limit = 0;
1525int timeout_frozen_after = 0;
1526#ifdef MEASURE_TIMING
1527struct timeval timestamp_startup;
1528#endif
1529
1530transport_instance *transports = NULL;
1531
1532transport_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
1589int transport_count;
1590uschar *transport_name = NULL;
1591int transport_newlines;
1592const uschar **transport_filter_argv = NULL;
1593int transport_filter_timeout;
1594int transport_write_timeout= 0;
1595
1596tree_node *tree_dns_fails = NULL;
1597tree_node *tree_duplicates = NULL;
1598tree_node *tree_nonrecipients = NULL;
1599tree_node *tree_unusable = NULL;
1600
1601gid_t *trusted_groups = NULL;
1602uid_t *trusted_users = NULL;
1603uschar *timezone_string = US TIMEZONE_DEFAULT;
1604
1605uschar *unknown_login = NULL;
1606uschar *unknown_username = NULL;
1607uschar *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
1613which the "mail" commands send to the MTA (undocumented, of course), or in
1614the form
1615
1616 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1617
1618which is apparently used by some UUCPs, despite it not being in RFC 976.
1619Because of variations in time formats, just match up to the minutes. That
1620should be sufficient. Examples have been seen of time fields like 12:1:03,
1621so just require one digit for hours and minutes. The weekday is also absent
1622in some forms. */
1623
1624uschar *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
1632uschar *uucp_from_sender = US"$1";
1633
1634uschar *verify_mode = NULL;
1635uschar *version_copyright =
1636 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1637 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1638uschar *version_date = US"?";
1639uschar *version_cnumber = US"????";
1640uschar *version_string = US"?";
1641
1642uschar *warn_message_file = NULL;
1643int warning_count = 0;
1644uschar *warnmsg_delay = NULL;
1645uschar *warnmsg_recipients = NULL;
1646
1647
1648/* End of globals.c */
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