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