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debian experimental exim-daemon-heavy config
[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/* Copyright (c) The Exim Maintainers 2020 */
7/* See the file NOTICE for conditions of use and distribution. */
8
9/* All the global variables are defined together in this one module, so
10that they are easy to find. */
11
12#include "exim.h"
13
14
15/* Generic options for auths, all of which live inside auth_instance
16data blocks and hence have the opt_public flag set. */
17
18optionlist optionlist_auths[] = {
19 { "client_condition", opt_stringptr | opt_public,
20 OPT_OFF(auth_instance, client_condition) },
21 { "client_set_id", opt_stringptr | opt_public,
22 OPT_OFF(auth_instance, set_client_id) },
23 { "driver", opt_stringptr | opt_public,
24 OPT_OFF(auth_instance, driver_name) },
25 { "public_name", opt_stringptr | opt_public,
26 OPT_OFF(auth_instance, public_name) },
27 { "server_advertise_condition", opt_stringptr | opt_public,
28 OPT_OFF(auth_instance, advertise_condition)},
29 { "server_condition", opt_stringptr | opt_public,
30 OPT_OFF(auth_instance, server_condition) },
31 { "server_debug_print", opt_stringptr | opt_public,
32 OPT_OFF(auth_instance, server_debug_string) },
33 { "server_mail_auth_condition", opt_stringptr | opt_public,
34 OPT_OFF(auth_instance, mail_auth_condition) },
35 { "server_set_id", opt_stringptr | opt_public,
36 OPT_OFF(auth_instance, set_id) }
37};
38
39int optionlist_auths_size = nelem(optionlist_auths);
40
41/* An empty host aliases list. */
42
43uschar *no_aliases = NULL;
44
45
46/* For comments on these variables, see globals.h. I'm too idle to
47duplicate them here... */
48
49#ifdef EXIM_PERL
50uschar *opt_perl_startup = NULL;
51BOOL opt_perl_at_start = FALSE;
52BOOL opt_perl_started = FALSE;
53BOOL opt_perl_taintmode = FALSE;
54#endif
55
56#ifdef EXPAND_DLFUNC
57tree_node *dlobj_anchor = NULL;
58#endif
59
60#ifdef LOOKUP_IBASE
61uschar *ibase_servers = NULL;
62#endif
63
64#ifdef LOOKUP_LDAP
65uschar *eldap_ca_cert_dir = NULL;
66uschar *eldap_ca_cert_file = NULL;
67uschar *eldap_cert_file = NULL;
68uschar *eldap_cert_key = NULL;
69uschar *eldap_cipher_suite = NULL;
70uschar *eldap_default_servers = NULL;
71uschar *eldap_require_cert = NULL;
72int eldap_version = -1;
73BOOL eldap_start_tls = FALSE;
74#endif
75
76#ifdef LOOKUP_MYSQL
77uschar *mysql_servers = NULL;
78#endif
79
80#ifdef LOOKUP_ORACLE
81uschar *oracle_servers = NULL;
82#endif
83
84#ifdef LOOKUP_PGSQL
85uschar *pgsql_servers = NULL;
86#endif
87
88#ifdef LOOKUP_REDIS
89uschar *redis_servers = NULL;
90#endif
91
92#ifdef LOOKUP_SQLITE
93uschar *sqlite_dbfile = NULL;
94int sqlite_lock_timeout = 5;
95#endif
96
97#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
98BOOL move_frozen_messages = FALSE;
99#endif
100
101/* These variables are outside the #ifdef because it keeps the code less
102cluttered in several places (e.g. during logging) if we can always refer to
103them. Also, the tls_ variables are now always visible. Note that these are
104only used for smtp connections, not for service-daemon access. */
105
106tls_support tls_in = {
107 .active = {.sock = -1}
108 /* all other elements zero */
109};
110tls_support tls_out = {
111 .active = {.sock = -1},
112 /* all other elements zero */
113};
114
115uschar *dsn_envid = NULL;
116int dsn_ret = 0;
117const pcre *regex_DSN = NULL;
118uschar *dsn_advertise_hosts = NULL;
119
120#ifndef DISABLE_TLS
121BOOL gnutls_compat_mode = FALSE;
122BOOL gnutls_allow_auto_pkcs11 = FALSE;
123uschar *openssl_options = NULL;
124const pcre *regex_STARTTLS = NULL;
125uschar *tls_advertise_hosts = US"*";
126uschar *tls_certificate = NULL;
127uschar *tls_crl = NULL;
128/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
129that's the interop problem which has been observed: GnuTLS suggesting a higher
130bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
131int tls_dh_max_bits = 2236;
132uschar *tls_dhparam = NULL;
133uschar *tls_eccurve = US"auto";
134# ifndef DISABLE_OCSP
135uschar *tls_ocsp_file = NULL;
136# endif
137uschar *tls_privatekey = NULL;
138BOOL tls_remember_esmtp = FALSE;
139uschar *tls_require_ciphers = NULL;
140# ifdef EXPERIMENTAL_TLS_RESUME
141uschar *tls_resumption_hosts = NULL;
142# endif
143uschar *tls_try_verify_hosts = NULL;
144uschar *tls_verify_certificates= US"system";
145uschar *tls_verify_hosts = NULL;
146#else /*DISABLE_TLS*/
147uschar *tls_advertise_hosts = NULL;
148#endif
149
150#ifndef DISABLE_PRDR
151/* Per Recipient Data Response variables */
152BOOL prdr_enable = FALSE;
153BOOL prdr_requested = FALSE;
154const pcre *regex_PRDR = NULL;
155#endif
156
157#ifdef SUPPORT_I18N
158const pcre *regex_UTF8 = NULL;
159#endif
160
161/* Input-reading functions for messages, so we can use special ones for
162incoming TCP/IP. The defaults use stdin. We never need these for any
163stand-alone tests. */
164
165#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
166int (*lwr_receive_getc)(unsigned) = stdin_getc;
167uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
168int (*lwr_receive_ungetc)(int) = stdin_ungetc;
169int (*receive_getc)(unsigned) = stdin_getc;
170uschar * (*receive_getbuf)(unsigned *) = NULL;
171void (*receive_get_cache)(void)= NULL;
172int (*receive_ungetc)(int) = stdin_ungetc;
173int (*receive_feof)(void) = stdin_feof;
174int (*receive_ferror)(void) = stdin_ferror;
175BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
176#endif
177
178
179/* List of per-address expansion variables for clearing and saving/restoring
180when verifying one address while routing/verifying another. We have to have
181the size explicit, because it is referenced from more than one module. */
182
183const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
184 CUSS &deliver_address_data,
185 CUSS &deliver_domain,
186 CUSS &deliver_domain_data,
187 CUSS &deliver_domain_orig,
188 CUSS &deliver_domain_parent,
189 CUSS &deliver_localpart,
190 CUSS &deliver_localpart_data,
191 CUSS &deliver_localpart_orig,
192 CUSS &deliver_localpart_parent,
193 CUSS &deliver_localpart_prefix,
194 CUSS &deliver_localpart_suffix,
195 CUSS (uschar **)(&deliver_recipients),
196 CUSS &deliver_host,
197 CUSS &deliver_home,
198 CUSS &address_file,
199 CUSS &address_pipe,
200 CUSS &self_hostname,
201 NULL };
202
203int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
204
205/******************************************************************************/
206/* General global variables. Boolean flags are done as a group
207so that only one bit each is needed, packed, for all those we never
208need to take a pointer - and only a char for the rest.
209This means a struct, unfortunately since it clutters the sourcecode. */
210
211struct global_flags f =
212{
213 .acl_temp_details = FALSE,
214 .active_local_from_check = FALSE,
215 .active_local_sender_retain = FALSE,
216 .address_test_mode = FALSE,
217 .admin_user = FALSE,
218 .allow_auth_unadvertised= FALSE,
219 .allow_unqualified_recipient = TRUE, /* For local messages */
220 .allow_unqualified_sender = TRUE, /* Reset for SMTP */
221 .authentication_local = FALSE,
222
223 .background_daemon = TRUE,
224
225 .chunking_offered = FALSE,
226 .config_changed = FALSE,
227 .continue_more = FALSE,
228
229 .daemon_listen = FALSE,
230 .debug_daemon = FALSE,
231 .deliver_firsttime = FALSE,
232 .deliver_force = FALSE,
233 .deliver_freeze = FALSE,
234 .deliver_force_thaw = FALSE,
235 .deliver_manual_thaw = FALSE,
236 .deliver_selectstring_regex = FALSE,
237 .deliver_selectstring_sender_regex = FALSE,
238 .disable_callout_flush = FALSE,
239 .disable_delay_flush = FALSE,
240 .disable_logging = FALSE,
241#ifndef DISABLE_DKIM
242 .dkim_disable_verify = FALSE,
243 .dkim_init_done = FALSE,
244#endif
245#ifdef SUPPORT_DMARC
246 .dmarc_has_been_checked = FALSE,
247 .dmarc_disable_verify = FALSE,
248 .dmarc_enable_forensic = FALSE,
249#endif
250 .dont_deliver = FALSE,
251 .dot_ends = TRUE,
252
253 .enable_dollar_recipients = FALSE,
254 .expand_string_forcedfail = FALSE,
255
256 .filter_running = FALSE,
257
258 .header_rewritten = FALSE,
259 .helo_verified = FALSE,
260 .helo_verify_failed = FALSE,
261 .host_checking_callout = FALSE,
262 .host_find_failed_syntax= FALSE,
263
264 .inetd_wait_mode = FALSE,
265 .is_inetd = FALSE,
266
267 .local_error_message = FALSE,
268 .log_testing_mode = FALSE,
269
270#ifdef WITH_CONTENT_SCAN
271 .no_mbox_unspool = FALSE,
272#endif
273 .no_multiline_responses = FALSE,
274
275 .parse_allow_group = FALSE,
276 .parse_found_group = FALSE,
277 .pipelining_enable = TRUE,
278#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
279 .proxy_session_failed = FALSE,
280#endif
281
282 .queue_2stage = FALSE,
283 .queue_only_policy = FALSE,
284 .queue_run_first_delivery = FALSE,
285 .queue_run_force = FALSE,
286 .queue_run_local = FALSE,
287 .queue_running = FALSE,
288 .queue_smtp = FALSE,
289
290 .really_exim = TRUE,
291 .receive_call_bombout = FALSE,
292 .recipients_discarded = FALSE,
293 .running_in_test_harness = FALSE,
294
295 .search_find_defer = FALSE,
296 .sender_address_forced = FALSE,
297 .sender_host_notsocket = FALSE,
298 .sender_host_unknown = FALSE,
299 .sender_local = FALSE,
300 .sender_name_forced = FALSE,
301 .sender_set_untrusted = FALSE,
302 .smtp_authenticated = FALSE,
303#ifndef DISABLE_PIPE_CONNECT
304 .smtp_in_early_pipe_advertised = FALSE,
305 .smtp_in_early_pipe_no_auth = FALSE,
306 .smtp_in_early_pipe_used = FALSE,
307#endif
308 .smtp_in_pipelining_advertised = FALSE,
309 .smtp_in_pipelining_used = FALSE,
310 .spool_file_wireformat = FALSE,
311 .submission_mode = FALSE,
312 .suppress_local_fixups = FALSE,
313 .suppress_local_fixups_default = FALSE,
314 .synchronous_delivery = FALSE,
315 .system_filtering = FALSE,
316
317 .taint_check_slow = FALSE,
318 .testsuite_delays = TRUE,
319 .tcp_fastopen_ok = FALSE,
320 .tcp_in_fastopen = FALSE,
321 .tcp_in_fastopen_data = FALSE,
322 .tcp_in_fastopen_logged = FALSE,
323 .tcp_out_fastopen_logged= FALSE,
324 .timestamps_utc = FALSE,
325 .transport_filter_timed_out = FALSE,
326 .trusted_caller = FALSE,
327 .trusted_config = TRUE,
328};
329
330/******************************************************************************/
331/* These are the flags which are either variables or mainsection options,
332so an address is needed for access, or are exported to local_scan. */
333
334BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
335BOOL allow_domain_literals = FALSE;
336BOOL allow_mx_to_ip = FALSE;
337BOOL allow_utf8_domains = FALSE;
338BOOL authentication_failed = FALSE;
339
340BOOL bounce_return_body = TRUE;
341BOOL bounce_return_message = TRUE;
342BOOL check_rfc2047_length = TRUE;
343BOOL commandline_checks_require_admin = FALSE;
344
345#ifdef EXPERIMENTAL_DCC
346BOOL dcc_direct_add_header = FALSE;
347#endif
348BOOL debug_store = FALSE;
349BOOL delivery_date_remove = TRUE;
350BOOL deliver_drop_privilege = FALSE;
351#ifdef ENABLE_DISABLE_FSYNC
352BOOL disable_fsync = FALSE;
353#endif
354BOOL disable_ipv6 = FALSE;
355BOOL dns_csa_use_reverse = TRUE;
356BOOL drop_cr = FALSE; /* No longer used */
357
358BOOL envelope_to_remove = TRUE;
359BOOL exim_gid_set = TRUE; /* This gid is always set */
360BOOL exim_uid_set = TRUE; /* This uid is always set */
361BOOL extract_addresses_remove_arguments = TRUE;
362
363BOOL host_checking = FALSE;
364BOOL host_lookup_deferred = FALSE;
365BOOL host_lookup_failed = FALSE;
366BOOL ignore_fromline_local = FALSE;
367
368BOOL local_from_check = TRUE;
369BOOL local_sender_retain = FALSE;
370BOOL log_timezone = FALSE;
371BOOL message_body_newlines = FALSE;
372BOOL message_logs = TRUE;
373#ifdef SUPPORT_I18N
374BOOL message_smtputf8 = FALSE;
375#endif
376BOOL mua_wrapper = FALSE;
377
378BOOL preserve_message_logs = FALSE;
379BOOL print_topbitchars = FALSE;
380BOOL prod_requires_admin = TRUE;
381#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
382BOOL proxy_session = FALSE;
383#endif
384
385#ifdef EXPERIMENTAL_QUEUE_RAMP
386BOOL queue_fast_ramp = FALSE;
387#endif
388BOOL queue_list_requires_admin = TRUE;
389BOOL queue_only = FALSE;
390BOOL queue_only_load_latch = TRUE;
391BOOL queue_only_override = TRUE;
392BOOL queue_run_in_order = FALSE;
393BOOL recipients_max_reject = FALSE;
394BOOL return_path_remove = TRUE;
395
396BOOL smtp_batched_input = FALSE;
397BOOL sender_helo_dnssec = FALSE;
398BOOL sender_host_dnssec = FALSE;
399BOOL smtp_accept_keepalive = TRUE;
400BOOL smtp_check_spool_space = TRUE;
401BOOL smtp_enforce_sync = TRUE;
402BOOL smtp_etrn_serialize = TRUE;
403BOOL smtp_input = FALSE;
404BOOL smtp_return_error_details = FALSE;
405#ifdef SUPPORT_SPF
406BOOL spf_result_guessed = FALSE;
407#endif
408BOOL split_spool_directory = FALSE;
409BOOL spool_wireformat = FALSE;
410#ifdef EXPERIMENTAL_SRS
411BOOL srs_usehash = TRUE;
412BOOL srs_usetimestamp = TRUE;
413#endif
414BOOL strict_acl_vars = FALSE;
415BOOL strip_excess_angle_brackets = FALSE;
416BOOL strip_trailing_dot = FALSE;
417BOOL syslog_duplication = TRUE;
418BOOL syslog_pid = TRUE;
419BOOL syslog_timestamp = TRUE;
420BOOL system_filter_gid_set = FALSE;
421BOOL system_filter_uid_set = FALSE;
422
423BOOL tcp_nodelay = TRUE;
424BOOL write_rejectlog = TRUE;
425
426/******************************************************************************/
427
428header_line *acl_added_headers = NULL;
429tree_node *acl_anchor = NULL;
430uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
431 NULL, NULL, NULL, NULL};
432int acl_narg = 0;
433
434int acl_level = 0;
435
436uschar *acl_not_smtp = NULL;
437#ifdef WITH_CONTENT_SCAN
438uschar *acl_not_smtp_mime = NULL;
439#endif
440uschar *acl_not_smtp_start = NULL;
441uschar *acl_removed_headers = NULL;
442uschar *acl_smtp_auth = NULL;
443uschar *acl_smtp_connect = NULL;
444uschar *acl_smtp_data = NULL;
445#ifndef DISABLE_PRDR
446uschar *acl_smtp_data_prdr = US"accept";
447#endif
448#ifndef DISABLE_DKIM
449uschar *acl_smtp_dkim = NULL;
450#endif
451uschar *acl_smtp_etrn = NULL;
452uschar *acl_smtp_expn = NULL;
453uschar *acl_smtp_helo = NULL;
454uschar *acl_smtp_mail = NULL;
455uschar *acl_smtp_mailauth = NULL;
456#ifdef WITH_CONTENT_SCAN
457uschar *acl_smtp_mime = NULL;
458#endif
459uschar *acl_smtp_notquit = NULL;
460uschar *acl_smtp_predata = NULL;
461uschar *acl_smtp_quit = NULL;
462uschar *acl_smtp_rcpt = NULL;
463uschar *acl_smtp_starttls = NULL;
464uschar *acl_smtp_vrfy = NULL;
465
466tree_node *acl_var_c = NULL;
467tree_node *acl_var_m = NULL;
468uschar *acl_verify_message = NULL;
469string_item *acl_warn_logged = NULL;
470
471/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
472error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
473
474uschar *acl_wherenames[] = { US"RCPT",
475 US"MAIL",
476 US"PREDATA",
477 US"MIME",
478 US"DKIM",
479 US"DATA",
480#ifndef DISABLE_PRDR
481 US"PRDR",
482#endif
483 US"non-SMTP",
484 US"AUTH",
485 US"connection",
486 US"ETRN",
487 US"EXPN",
488 US"EHLO or HELO",
489 US"MAILAUTH",
490 US"non-SMTP-start",
491 US"NOTQUIT",
492 US"QUIT",
493 US"STARTTLS",
494 US"VRFY",
495 US"delivery",
496 US"unknown"
497 };
498
499uschar *acl_wherecodes[] = { US"550", /* RCPT */
500 US"550", /* MAIL */
501 US"550", /* PREDATA */
502 US"550", /* MIME */
503 US"550", /* DKIM */
504 US"550", /* DATA */
505#ifndef DISABLE_PRDR
506 US"550", /* RCPT PRDR */
507#endif
508 US"0", /* not SMTP; not relevant */
509 US"503", /* AUTH */
510 US"550", /* connect */
511 US"458", /* ETRN */
512 US"550", /* EXPN */
513 US"550", /* HELO/EHLO */
514 US"0", /* MAILAUTH; not relevant */
515 US"0", /* not SMTP; not relevant */
516 US"0", /* NOTQUIT; not relevant */
517 US"0", /* QUIT; not relevant */
518 US"550", /* STARTTLS */
519 US"252", /* VRFY */
520 US"0", /* delivery; not relevant */
521 US"0" /* unknown; not relevant */
522 };
523
524uschar *add_environment = NULL;
525address_item *addr_duplicate = NULL;
526
527address_item address_defaults = {
528 .next = NULL,
529 .parent = NULL,
530 .first = NULL,
531 .dupof = NULL,
532 .start_router = NULL,
533 .router = NULL,
534 .transport = NULL,
535 .host_list = NULL,
536 .host_used = NULL,
537 .fallback_hosts = NULL,
538 .reply = NULL,
539 .retries = NULL,
540 .address = NULL,
541 .unique = NULL,
542 .cc_local_part = NULL,
543 .lc_local_part = NULL,
544 .local_part = NULL,
545 .prefix = NULL,
546 .prefix_v = NULL,
547 .suffix = NULL,
548 .suffix_v = NULL,
549 .domain = NULL,
550 .address_retry_key = NULL,
551 .domain_retry_key = NULL,
552 .current_dir = NULL,
553 .home_dir = NULL,
554 .message = NULL,
555 .user_message = NULL,
556 .onetime_parent = NULL,
557 .pipe_expandn = NULL,
558 .return_filename = NULL,
559 .self_hostname = NULL,
560 .shadow_message = NULL,
561#ifndef DISABLE_TLS
562 .cipher = NULL,
563 .ourcert = NULL,
564 .peercert = NULL,
565 .peerdn = NULL,
566 .ocsp = OCSP_NOT_REQ,
567#endif
568#ifdef EXPERIMENTAL_DSN_INFO
569 .smtp_greeting = NULL,
570 .helo_response = NULL,
571#endif
572 .authenticator = NULL,
573 .auth_id = NULL,
574 .auth_sndr = NULL,
575 .dsn_orcpt = NULL,
576 .dsn_flags = 0,
577 .dsn_aware = 0,
578 .uid = (uid_t)(-1),
579 .gid = (gid_t)(-1),
580 .flags = { 0 },
581 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
582 .localpart_cache = { 0 }, /* localpart_cache - ditto */
583 .mode = -1,
584 .more_errno = 0,
585 .delivery_time = {.tv_sec = 0, .tv_usec = 0},
586 .basic_errno = ERRNO_UNKNOWNERROR,
587 .child_count = 0,
588 .return_file = -1,
589 .special_action = SPECIAL_NONE,
590 .transport_return = DEFER,
591 .prop = { /* fields that are propagated to children */
592 .address_data = NULL,
593 .domain_data = NULL,
594 .localpart_data = NULL,
595 .errors_address = NULL,
596 .extra_headers = NULL,
597 .remove_headers = NULL,
598 .variables = NULL,
599#ifdef EXPERIMENTAL_SRS
600 .srs_sender = NULL,
601#endif
602 .ignore_error = FALSE,
603#ifdef SUPPORT_I18N
604 .utf8_msg = FALSE,
605 .utf8_downcvt = FALSE,
606 .utf8_downcvt_maybe = FALSE
607#endif
608 }
609};
610
611uschar *address_file = NULL;
612uschar *address_pipe = NULL;
613tree_node *addresslist_anchor = NULL;
614int addresslist_count = 0;
615gid_t *admin_groups = NULL;
616
617#ifdef EXPERIMENTAL_ARC
618struct arc_set *arc_received = NULL;
619int arc_received_instance = 0;
620int arc_oldest_pass = 0;
621const uschar *arc_state = NULL;
622const uschar *arc_state_reason = NULL;
623#endif
624
625uschar *authenticated_fail_id = NULL;
626uschar *authenticated_id = NULL;
627uschar *authenticated_sender = NULL;
628auth_instance *auths = NULL;
629uschar *auth_advertise_hosts = US"*";
630auth_instance auth_defaults = {
631 .next = NULL,
632 .name = NULL,
633 .info = NULL,
634 .options_block = NULL,
635 .driver_name = NULL,
636 .advertise_condition = NULL,
637 .client_condition = NULL,
638 .public_name = NULL,
639 .set_id = NULL,
640 .set_client_id = NULL,
641 .mail_auth_condition = NULL,
642 .server_debug_string = NULL,
643 .server_condition = NULL,
644 .client = FALSE,
645 .server = FALSE,
646 .advertised = FALSE
647};
648
649uschar *auth_defer_msg = US"reason not recorded";
650uschar *auth_defer_user_msg = US"";
651uschar *auth_vars[AUTH_VARS];
652int auto_thaw = 0;
653#ifdef WITH_CONTENT_SCAN
654int av_failed = FALSE; /* boolean but accessed as vtype_int*/
655uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
656#endif
657
658#if BASE_62 == 62
659uschar *base62_chars=
660 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
661#else
662uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
663#endif
664
665uschar *bi_command = NULL;
666uschar *big_buffer = NULL;
667int big_buffer_size = BIG_BUFFER_SIZE;
668#ifdef EXPERIMENTAL_BRIGHTMAIL
669uschar *bmi_alt_location = NULL;
670uschar *bmi_base64_tracker_verdict = NULL;
671uschar *bmi_base64_verdict = NULL;
672uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
673int bmi_deliver = 1;
674int bmi_run = 0;
675uschar *bmi_verdicts = NULL;
676#endif
677int bsmtp_transaction_linecount = 0;
678int body_8bitmime = 0;
679int body_linecount = 0;
680int body_zerocount = 0;
681uschar *bounce_message_file = NULL;
682uschar *bounce_message_text = NULL;
683uschar *bounce_recipient = NULL;
684int bounce_return_linesize_limit = 998;
685int bounce_return_size_limit = 100*1024;
686uschar *bounce_sender_authentication = NULL;
687
688uschar *callout_address = NULL;
689int callout_cache_domain_positive_expire = 7*24*60*60;
690int callout_cache_domain_negative_expire = 3*60*60;
691int callout_cache_positive_expire = 24*60*60;
692int callout_cache_negative_expire = 2*60*60;
693uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
694uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
695int check_log_inodes = 100;
696int_eximarith_t check_log_space = 10*1024; /* 10K Kbyte == 10MB */
697int check_spool_inodes = 100;
698int_eximarith_t check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
699
700uschar *chunking_advertise_hosts = US"*";
701unsigned chunking_datasize = 0;
702unsigned chunking_data_left = 0;
703chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
704const pcre *regex_CHUNKING = NULL;
705
706uschar *client_authenticator = NULL;
707uschar *client_authenticated_id = NULL;
708uschar *client_authenticated_sender = NULL;
709int clmacro_count = 0;
710uschar *clmacros[MAX_CLMACROS];
711FILE *config_file = NULL;
712const uschar *config_filename = NULL;
713int config_lineno = 0;
714#ifdef CONFIGURE_GROUP
715gid_t config_gid = CONFIGURE_GROUP;
716#else
717gid_t config_gid = 0;
718#endif
719uschar *config_main_filelist = US CONFIGURE_FILE
720 "\0<-----------Space to patch configure_filename->";
721uschar *config_main_filename = NULL;
722uschar *config_main_directory = NULL;
723
724#ifdef CONFIGURE_OWNER
725uid_t config_uid = CONFIGURE_OWNER;
726#else
727uid_t config_uid = 0;
728#endif
729
730int connection_max_messages= -1;
731uschar *continue_proxy_cipher = NULL;
732uschar *continue_hostname = NULL;
733uschar *continue_host_address = NULL;
734int continue_sequence = 1;
735uschar *continue_transport = NULL;
736
737uschar *csa_status = NULL;
738cut_t cutthrough = {
739 .callout_hold_only = FALSE, /* verify-only: normal delivery */
740 .delivery = FALSE, /* when to attempt */
741 .defer_pass = FALSE, /* on defer: spool locally */
742 .is_tls = FALSE, /* not a TLS conn yet */
743 .cctx = {.sock = -1}, /* open connection */
744 .nrcpt = 0, /* number of addresses */
745};
746
747int daemon_notifier_fd = -1;
748uschar *daemon_smtp_port = US"smtp";
749int daemon_startup_retries = 9;
750int daemon_startup_sleep = 30;
751
752#ifdef EXPERIMENTAL_DCC
753uschar *dcc_header = NULL;
754uschar *dcc_result = NULL;
755uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
756uschar *dccifd_options = US"header";
757#endif
758
759int debug_fd = -1;
760FILE *debug_file = NULL;
761int debug_notall[] = {
762 Di_memory,
763 Di_noutf8,
764 -1
765};
766bit_table debug_options[] = { /* must be in alphabetical order and use
767 only the enum values from macro.h */
768 BIT_TABLE(D, acl),
769 BIT_TABLE(D, all),
770 BIT_TABLE(D, auth),
771 BIT_TABLE(D, deliver),
772 BIT_TABLE(D, dns),
773 BIT_TABLE(D, dnsbl),
774 BIT_TABLE(D, exec),
775 BIT_TABLE(D, expand),
776 BIT_TABLE(D, filter),
777 BIT_TABLE(D, hints_lookup),
778 BIT_TABLE(D, host_lookup),
779 BIT_TABLE(D, ident),
780 BIT_TABLE(D, interface),
781 BIT_TABLE(D, lists),
782 BIT_TABLE(D, load),
783 BIT_TABLE(D, local_scan),
784 BIT_TABLE(D, lookup),
785 BIT_TABLE(D, memory),
786 BIT_TABLE(D, noutf8),
787 BIT_TABLE(D, pid),
788 BIT_TABLE(D, process_info),
789 BIT_TABLE(D, queue_run),
790 BIT_TABLE(D, receive),
791 BIT_TABLE(D, resolver),
792 BIT_TABLE(D, retry),
793 BIT_TABLE(D, rewrite),
794 BIT_TABLE(D, route),
795 BIT_TABLE(D, timestamp),
796 BIT_TABLE(D, tls),
797 BIT_TABLE(D, transport),
798 BIT_TABLE(D, uid),
799 BIT_TABLE(D, verify),
800};
801int debug_options_count = nelem(debug_options);
802
803unsigned int debug_selector = 0;
804int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
805uschar *delay_warning_condition=
806 US"${if or {"
807 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
808 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
809 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
810 "} {no}{yes}}";
811uschar *deliver_address_data = NULL;
812int deliver_datafile = -1;
813const uschar *deliver_domain = NULL;
814uschar *deliver_domain_data = NULL;
815const uschar *deliver_domain_orig = NULL;
816const uschar *deliver_domain_parent = NULL;
817time_t deliver_frozen_at = 0;
818uschar *deliver_home = NULL;
819const uschar *deliver_host = NULL;
820const uschar *deliver_host_address = NULL;
821int deliver_host_port = 0;
822uschar *deliver_in_buffer = NULL;
823ino_t deliver_inode = 0;
824uschar *deliver_localpart = NULL;
825uschar *deliver_localpart_data = NULL;
826uschar *deliver_localpart_orig = NULL;
827uschar *deliver_localpart_parent = NULL;
828uschar *deliver_localpart_prefix = NULL;
829uschar *deliver_localpart_prefix_v = NULL;
830uschar *deliver_localpart_suffix = NULL;
831uschar *deliver_localpart_suffix_v = NULL;
832uschar *deliver_out_buffer = NULL;
833int deliver_queue_load_max = -1;
834address_item *deliver_recipients = NULL;
835uschar *deliver_selectstring = NULL;
836uschar *deliver_selectstring_sender = NULL;
837
838#ifndef DISABLE_DKIM
839unsigned dkim_collect_input = 0;
840uschar *dkim_cur_signer = NULL;
841int dkim_key_length = 0;
842void *dkim_signatures = NULL;
843uschar *dkim_signers = NULL;
844uschar *dkim_signing_domain = NULL;
845uschar *dkim_signing_selector = NULL;
846uschar *dkim_verify_hashes = US"sha256:sha512";
847uschar *dkim_verify_keytypes = US"ed25519:rsa";
848uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
849BOOL dkim_verify_minimal = FALSE;
850uschar *dkim_verify_overall = NULL;
851uschar *dkim_verify_signers = US"$dkim_signers";
852uschar *dkim_verify_status = NULL;
853uschar *dkim_verify_reason = NULL;
854#endif
855#ifdef SUPPORT_DMARC
856uschar *dmarc_domain_policy = NULL;
857uschar *dmarc_forensic_sender = NULL;
858uschar *dmarc_history_file = NULL;
859uschar *dmarc_status = NULL;
860uschar *dmarc_status_text = NULL;
861uschar *dmarc_tld_file = NULL;
862uschar *dmarc_used_domain = NULL;
863#endif
864
865uschar *dns_again_means_nonexist = NULL;
866int dns_csa_search_limit = 5;
867int dns_cname_loops = 1;
868#ifdef SUPPORT_DANE
869int dns_dane_ok = -1;
870#endif
871uschar *dns_ipv4_lookup = NULL;
872int dns_retrans = 0;
873int dns_retry = 0;
874int dns_dnssec_ok = -1; /* <0 = not coerced */
875uschar *dns_trust_aa = NULL;
876int dns_use_edns0 = -1; /* <0 = not coerced */
877uschar *dnslist_domain = NULL;
878uschar *dnslist_matched = NULL;
879uschar *dnslist_text = NULL;
880uschar *dnslist_value = NULL;
881tree_node *domainlist_anchor = NULL;
882int domainlist_count = 0;
883uschar *dsn_from = US DEFAULT_DSN_FROM;
884
885int errno_quota = ERRNO_QUOTA;
886uschar *errors_copy = NULL;
887int error_handling = ERRORS_SENDER;
888uschar *errors_reply_to = NULL;
889int errors_sender_rc = EXIT_FAILURE;
890#ifndef DISABLE_EVENT
891uschar *event_action = NULL; /* expansion for delivery events */
892uschar *event_data = NULL; /* auxiliary data variable for event */
893int event_defer_errno = 0;
894const uschar *event_name = NULL; /* event name variable */
895#endif
896
897
898gid_t exim_gid = EXIM_GID;
899uschar *exim_path = US BIN_DIRECTORY "/exim4"
900 "\0<---------------Space to patch exim_path->";
901uid_t exim_uid = EXIM_UID;
902int expand_level = 0; /* Nesting depth, indent for debug */
903int expand_forbid = 0;
904int expand_nlength[EXPAND_MAXN+1];
905int expand_nmax = -1;
906uschar *expand_nstring[EXPAND_MAXN+1];
907uschar *expand_string_message;
908uschar *extra_local_interfaces = NULL;
909
910int fake_response = OK;
911uschar *fake_response_text = US"Your message has been rejected but is "
912 "being kept for evaluation.\nIf it was a "
913 "legitimate message, it may still be "
914 "delivered to the target recipient(s).";
915int filter_n[FILTER_VARIABLE_COUNT];
916int filter_sn[FILTER_VARIABLE_COUNT];
917int filter_test = FTEST_NONE;
918uschar *filter_test_sfile = NULL;
919uschar *filter_test_ufile = NULL;
920uschar *filter_thisaddress = NULL;
921int finduser_retries = 0;
922uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
923uschar *freeze_tell = NULL;
924uschar *freeze_tell_config = NULL;
925uschar *fudged_queue_times = US"";
926
927uschar *gecos_name = NULL;
928uschar *gecos_pattern = NULL;
929rewrite_rule *global_rewrite_rules = NULL;
930
931volatile sig_atomic_t had_command_timeout = 0;
932volatile sig_atomic_t had_command_sigterm = 0;
933volatile sig_atomic_t had_data_timeout = 0;
934volatile sig_atomic_t had_data_sigint = 0;
935uschar *headers_charset = US HEADERS_CHARSET;
936int header_insert_maxlen = 64 * 1024;
937header_line *header_last = NULL;
938header_line *header_list = NULL;
939int header_maxsize = HEADER_MAXSIZE;
940int header_line_maxsize = 0;
941
942header_name header_names[] = {
943 /* name len allow_resent htype */
944 { US"bcc", 3, TRUE, htype_bcc },
945 { US"cc", 2, TRUE, htype_cc },
946 { US"date", 4, TRUE, htype_date },
947 { US"delivery-date", 13, FALSE, htype_delivery_date },
948 { US"envelope-to", 11, FALSE, htype_envelope_to },
949 { US"from", 4, TRUE, htype_from },
950 { US"message-id", 10, TRUE, htype_id },
951 { US"received", 8, FALSE, htype_received },
952 { US"reply-to", 8, FALSE, htype_reply_to },
953 { US"return-path", 11, FALSE, htype_return_path },
954 { US"sender", 6, TRUE, htype_sender },
955 { US"subject", 7, FALSE, htype_subject },
956 { US"to", 2, TRUE, htype_to }
957};
958
959int header_names_size = nelem(header_names);
960
961uschar *helo_accept_junk_hosts = NULL;
962uschar *helo_allow_chars = US"";
963uschar *helo_lookup_domains = US"@ : @[]";
964uschar *helo_try_verify_hosts = NULL;
965uschar *helo_verify_hosts = NULL;
966const uschar *hex_digits = CUS"0123456789abcdef";
967uschar *hold_domains = NULL;
968uschar *host_data = NULL;
969uschar *host_lookup = NULL;
970uschar *host_lookup_order = US"bydns:byaddr";
971uschar *host_lookup_msg = US"";
972int host_number = 0;
973uschar *host_number_string = NULL;
974uschar *host_reject_connection = NULL;
975tree_node *hostlist_anchor = NULL;
976int hostlist_count = 0;
977uschar *hosts_treat_as_local = NULL;
978uschar *hosts_connection_nolog = NULL;
979
980int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
981uschar *ignore_fromline_hosts = NULL;
982int inetd_wait_timeout = -1;
983uschar *initial_cwd = NULL;
984uschar *interface_address = NULL;
985int interface_port = -1;
986uschar *iterate_item = NULL;
987
988int journal_fd = -1;
989
990uschar *keep_environment = NULL;
991
992int keep_malformed = 4*24*60*60; /* 4 days */
993
994uschar *eldap_dn = NULL;
995int load_average = -2;
996uschar *local_from_prefix = NULL;
997uschar *local_from_suffix = NULL;
998
999#if HAVE_IPV6
1000uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
1001#else
1002uschar *local_interfaces = US"0.0.0.0";
1003#endif
1004
1005#ifdef HAVE_LOCAL_SCAN
1006uschar *local_scan_data = NULL;
1007int local_scan_timeout = 5*60;
1008#endif
1009gid_t local_user_gid = (gid_t)(-1);
1010uid_t local_user_uid = (uid_t)(-1);
1011
1012tree_node *localpartlist_anchor= NULL;
1013int localpartlist_count = 0;
1014uschar *log_buffer = NULL;
1015
1016int log_default[] = { /* for initializing log_selector */
1017 Li_acl_warn_skipped,
1018 Li_connection_reject,
1019 Li_delay_delivery,
1020 Li_dkim,
1021 Li_dnslist_defer,
1022 Li_etrn,
1023 Li_host_lookup_failed,
1024 Li_lost_incoming_connection,
1025 Li_outgoing_interface, /* see d_log_interface in deliver.c */
1026 Li_msg_id,
1027 Li_queue_run,
1028 Li_rejected_header,
1029 Li_retry_defer,
1030 Li_sender_verify_fail,
1031 Li_size_reject,
1032 Li_skip_delivery,
1033 Li_smtp_confirmation,
1034 Li_tls_certificate_verified,
1035 Li_tls_cipher,
1036 -1
1037};
1038
1039uschar *log_file_path = US LOG_FILE_PATH
1040 "\0<--------------Space to patch log_file_path->";
1041
1042int log_notall[] = {
1043 -1
1044};
1045bit_table log_options[] = { /* must be in alphabetical order,
1046 with definitions from enum logbit. */
1047 BIT_TABLE(L, 8bitmime),
1048 BIT_TABLE(L, acl_warn_skipped),
1049 BIT_TABLE(L, address_rewrite),
1050 BIT_TABLE(L, all),
1051 BIT_TABLE(L, all_parents),
1052 BIT_TABLE(L, arguments),
1053 BIT_TABLE(L, connection_reject),
1054 BIT_TABLE(L, delay_delivery),
1055 BIT_TABLE(L, deliver_time),
1056 BIT_TABLE(L, delivery_size),
1057#ifndef DISABLE_DKIM
1058 BIT_TABLE(L, dkim),
1059 BIT_TABLE(L, dkim_verbose),
1060#endif
1061 BIT_TABLE(L, dnslist_defer),
1062 BIT_TABLE(L, dnssec),
1063 BIT_TABLE(L, etrn),
1064 BIT_TABLE(L, host_lookup_failed),
1065 BIT_TABLE(L, ident_timeout),
1066 BIT_TABLE(L, incoming_interface),
1067 BIT_TABLE(L, incoming_port),
1068 BIT_TABLE(L, lost_incoming_connection),
1069 BIT_TABLE(L, millisec),
1070 BIT_TABLE(L, msg_id),
1071 BIT_TABLE(L, msg_id_created),
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_resumption),
1105 BIT_TABLE(L, tls_sni),
1106 BIT_TABLE(L, unknown_in_list),
1107};
1108int log_options_count = nelem(log_options);
1109
1110int log_reject_target = 0;
1111unsigned int log_selector[log_selector_size]; /* initialized in main() */
1112uschar *log_selector_string = NULL;
1113FILE *log_stderr = NULL;
1114uschar *login_sender_address = NULL;
1115uschar *lookup_dnssec_authenticated = NULL;
1116int lookup_open_max = 25;
1117uschar *lookup_value = NULL;
1118
1119macro_item *macros_user = NULL;
1120uschar *mailstore_basename = NULL;
1121#ifdef WITH_CONTENT_SCAN
1122uschar *malware_name = NULL; /* Virus Name */
1123#endif
1124int max_received_linelength= 0;
1125int max_username_length = 0;
1126int message_age = 0;
1127uschar *message_body = NULL;
1128uschar *message_body_end = NULL;
1129int message_body_size = 0;
1130int message_body_visible = 500;
1131int message_ended = END_NOTSTARTED;
1132uschar *message_headers = NULL;
1133uschar *message_id;
1134uschar *message_id_domain = NULL;
1135uschar *message_id_text = NULL;
1136struct timeval message_id_tv = { 0, 0 };
1137uschar message_id_option[MESSAGE_ID_LENGTH + 3];
1138uschar *message_id_external;
1139int message_linecount = 0;
1140int message_size = 0;
1141uschar *message_size_limit = US"50M";
1142#ifdef SUPPORT_I18N
1143int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
1144#endif
1145uschar message_subdir[2] = { 0, 0 };
1146uschar *message_reference = NULL;
1147
1148/* MIME ACL expandables */
1149#ifdef WITH_CONTENT_SCAN
1150int mime_anomaly_level = 0;
1151const uschar *mime_anomaly_text = NULL;
1152uschar *mime_boundary = NULL;
1153uschar *mime_charset = NULL;
1154uschar *mime_content_description = NULL;
1155uschar *mime_content_disposition = NULL;
1156uschar *mime_content_id = NULL;
1157unsigned int mime_content_size = 0;
1158uschar *mime_content_transfer_encoding = NULL;
1159uschar *mime_content_type = NULL;
1160uschar *mime_decoded_filename = NULL;
1161uschar *mime_filename = NULL;
1162int mime_is_multipart = 0;
1163int mime_is_coverletter = 0;
1164int mime_is_rfc822 = 0;
1165int mime_part_count = -1;
1166#endif
1167
1168uid_t *never_users = NULL;
1169uschar *notifier_socket = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1170
1171const int on = 1; /* for setsockopt */
1172const int off = 0;
1173
1174uid_t original_euid;
1175gid_t originator_gid;
1176uschar *originator_login = NULL;
1177uschar *originator_name = NULL;
1178uid_t originator_uid;
1179uschar *override_local_interfaces = NULL;
1180uschar *override_pid_file_path = NULL;
1181
1182uschar *percent_hack_domains = NULL;
1183uschar *pid_file_path = US PID_FILE_PATH
1184 "\0<--------------Space to patch pid_file_path->";
1185#ifndef DISABLE_PIPE_CONNECT
1186uschar *pipe_connect_advertise_hosts = US"*";
1187#endif
1188uschar *pipelining_advertise_hosts = US"*";
1189uschar *primary_hostname = NULL;
1190uschar *process_info;
1191int process_info_len = 0;
1192uschar *process_log_path = NULL;
1193const uschar *process_purpose = US"fresh-exec";
1194
1195#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1196uschar *hosts_proxy = NULL;
1197uschar *proxy_external_address = NULL;
1198int proxy_external_port = 0;
1199uschar *proxy_local_address = NULL;
1200int proxy_local_port = 0;
1201#endif
1202
1203uschar *prvscheck_address = NULL;
1204uschar *prvscheck_keynum = NULL;
1205uschar *prvscheck_result = NULL;
1206
1207
1208const uschar *qualify_domain_recipient = NULL;
1209uschar *qualify_domain_sender = NULL;
1210uschar *queue_domains = NULL;
1211int queue_interval = -1;
1212uschar *queue_name = US"";
1213uschar *queue_name_dest = NULL;
1214uschar *queue_only_file = NULL;
1215int queue_only_load = -1;
1216uschar *queue_run_max = US"5";
1217pid_t queue_run_pid = (pid_t)0;
1218int queue_run_pipe = -1;
1219unsigned queue_size = 0;
1220time_t queue_size_next = 0;
1221uschar *queue_smtp_domains = NULL;
1222
1223uint32_t random_seed = 0;
1224tree_node *ratelimiters_cmd = NULL;
1225tree_node *ratelimiters_conn = NULL;
1226tree_node *ratelimiters_mail = NULL;
1227uschar *raw_active_hostname = NULL;
1228uschar *raw_sender = NULL;
1229uschar **raw_recipients = NULL;
1230int raw_recipients_count = 0;
1231
1232int rcpt_count = 0;
1233int rcpt_fail_count = 0;
1234int rcpt_defer_count = 0;
1235gid_t real_gid;
1236uid_t real_uid;
1237int receive_linecount = 0;
1238int receive_messagecount = 0;
1239int receive_timeout = 0;
1240int received_count = 0;
1241uschar *received_for = NULL;
1242
1243/* This is the default text for Received headers generated by Exim. The
1244date will be automatically added on the end. */
1245
1246uschar *received_header_text = US
1247 "Received: "
1248 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1249 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1250 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1251 "by $primary_hostname "
1252 "${if def:received_protocol {with $received_protocol }}"
1253#ifndef DISABLE_TLS
1254 "${if def:tls_in_ver { ($tls_in_ver)}}"
1255 "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1256#endif
1257 "(Exim $version_number)\n\t"
1258 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1259 "id $message_exim_id"
1260 "${if def:received_for {\n\tfor $received_for}}"
1261 "\0<---------------Space to patch received_header_text->";
1262
1263int received_headers_max = 30;
1264uschar *received_protocol = NULL;
1265struct timeval received_time = { 0, 0 };
1266struct timeval received_time_taken = { 0, 0 };
1267uschar *recipient_data = NULL;
1268uschar *recipient_unqualified_hosts = NULL;
1269uschar *recipient_verify_failure = NULL;
1270int recipients_count = 0;
1271recipient_item *recipients_list = NULL;
1272int recipients_list_max = 0;
1273int recipients_max = 0;
1274const pcre *regex_AUTH = NULL;
1275const pcre *regex_check_dns_names = NULL;
1276const pcre *regex_From = NULL;
1277const pcre *regex_IGNOREQUOTA = NULL;
1278const pcre *regex_PIPELINING = NULL;
1279const pcre *regex_SIZE = NULL;
1280#ifndef DISABLE_PIPE_CONNECT
1281const pcre *regex_EARLY_PIPE = NULL;
1282#endif
1283const pcre *regex_ismsgid = NULL;
1284const pcre *regex_smtp_code = NULL;
1285uschar *regex_vars[REGEX_VARS];
1286#ifdef WHITELIST_D_MACROS
1287const pcre *regex_whitelisted_macro = NULL;
1288#endif
1289#ifdef WITH_CONTENT_SCAN
1290uschar *regex_match_string = NULL;
1291#endif
1292int remote_delivery_count = 0;
1293int remote_max_parallel = 2;
1294uschar *remote_sort_domains = NULL;
1295int retry_data_expire = 7*24*60*60;
1296int retry_interval_max = 24*60*60;
1297int retry_maximum_timeout = 0; /* set from retry config */
1298retry_config *retries = NULL;
1299uschar *return_path = NULL;
1300int rewrite_existflags = 0;
1301uschar *rfc1413_hosts = US"@[]";
1302int rfc1413_query_timeout = 0;
1303uid_t root_gid = ROOT_GID;
1304uid_t root_uid = ROOT_UID;
1305
1306router_instance *routers = NULL;
1307router_instance router_defaults = {
1308 .next = NULL,
1309 .name = NULL,
1310 .info = NULL,
1311 .options_block = NULL,
1312 .driver_name = NULL,
1313
1314 .address_data = NULL,
1315#ifdef EXPERIMENTAL_BRIGHTMAIL
1316 .bmi_rule = NULL,
1317#endif
1318 .cannot_route_message = NULL,
1319 .condition = NULL,
1320 .current_directory = NULL,
1321 .debug_string = NULL,
1322 .domains = NULL,
1323 .errors_to = NULL,
1324 .expand_gid = NULL,
1325 .expand_uid = NULL,
1326 .expand_more = NULL,
1327 .expand_unseen = NULL,
1328 .extra_headers = NULL,
1329 .fallback_hosts = NULL,
1330 .home_directory = NULL,
1331 .ignore_target_hosts = NULL,
1332 .local_parts = NULL,
1333 .pass_router_name = NULL,
1334 .prefix = NULL,
1335 .redirect_router_name = NULL,
1336 .remove_headers = NULL,
1337 .require_files = NULL,
1338 .router_home_directory = NULL,
1339 .self = US"freeze",
1340 .senders = NULL,
1341 .suffix = NULL,
1342 .translate_ip_address = NULL,
1343 .transport_name = NULL,
1344
1345 .address_test = TRUE,
1346#ifdef EXPERIMENTAL_BRIGHTMAIL
1347 .bmi_deliver_alternate = FALSE,
1348 .bmi_deliver_default = FALSE,
1349 .bmi_dont_deliver = FALSE,
1350#endif
1351 .expn = TRUE,
1352 .caseful_local_part = FALSE,
1353 .check_local_user = FALSE,
1354 .disable_logging = FALSE,
1355 .fail_verify_recipient = FALSE,
1356 .fail_verify_sender = FALSE,
1357 .gid_set = FALSE,
1358 .initgroups = FALSE,
1359 .log_as_local = TRUE_UNSET,
1360 .more = TRUE,
1361 .pass_on_timeout = FALSE,
1362 .prefix_optional = FALSE,
1363 .repeat_use = TRUE,
1364 .retry_use_local_part = TRUE_UNSET,
1365 .same_domain_copy_routing = FALSE,
1366 .self_rewrite = FALSE,
1367 .set = NULL,
1368 .suffix_optional = FALSE,
1369 .verify_only = FALSE,
1370 .verify_recipient = TRUE,
1371 .verify_sender = TRUE,
1372 .uid_set = FALSE,
1373 .unseen = FALSE,
1374 .dsn_lasthop = FALSE,
1375
1376 .self_code = self_freeze,
1377 .uid = (uid_t)(-1),
1378 .gid = (gid_t)(-1),
1379
1380 .fallback_hostlist = NULL,
1381 .transport = NULL,
1382 .pass_router = NULL,
1383 .redirect_router = NULL,
1384
1385 .dnssec = { .request= US"*", .require=NULL },
1386};
1387
1388uschar *router_name = NULL;
1389tree_node *router_var = NULL;
1390
1391ip_address_item *running_interfaces = NULL;
1392
1393/* This is a weird one. The following string gets patched in the binary by the
1394script that sets up a copy of Exim for running in the test harness. It seems
1395that compilers are now clever, and share constant strings if they can.
1396Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1397make use of the end of this string in order to save space. So the patching then
1398wrecks this. We defeat this optimization by adding some additional characters
1399onto the end of the string. */
1400
1401uschar *running_status = US">>>running<<<" "\0EXTRA";
1402
1403int runrc = 0;
1404
1405uschar *search_error_message = NULL;
1406uschar *self_hostname = NULL;
1407uschar *sender_address = NULL;
1408unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1409uschar *sender_address_data = NULL;
1410uschar *sender_address_unrewritten = NULL;
1411uschar *sender_data = NULL;
1412unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1413uschar *sender_fullhost = NULL;
1414uschar *sender_helo_name = NULL;
1415uschar **sender_host_aliases = &no_aliases;
1416uschar *sender_host_address = NULL;
1417uschar *sender_host_authenticated = NULL;
1418uschar *sender_host_auth_pubname = NULL;
1419unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1420uschar *sender_host_name = NULL;
1421int sender_host_port = 0;
1422uschar *sender_ident = NULL;
1423uschar *sender_rate = NULL;
1424uschar *sender_rate_limit = NULL;
1425uschar *sender_rate_period = NULL;
1426uschar *sender_rcvhost = NULL;
1427uschar *sender_unqualified_hosts = NULL;
1428uschar *sender_verify_failure = NULL;
1429address_item *sender_verified_list = NULL;
1430address_item *sender_verified_failed = NULL;
1431int sender_verified_rc = -1;
1432uschar *sending_ip_address = NULL;
1433int sending_port = -1;
1434SIGNAL_BOOL sigalrm_seen = FALSE;
1435const uschar *sigalarm_setter = NULL;
1436uschar **sighup_argv = NULL;
1437int slow_lookup_log = 0; /* millisecs, zero disables */
1438int smtp_accept_count = 0;
1439int smtp_accept_max = 20;
1440int smtp_accept_max_nonmail= 10;
1441uschar *smtp_accept_max_nonmail_hosts = US"*";
1442int smtp_accept_max_per_connection = 1000;
1443uschar *smtp_accept_max_per_host = NULL;
1444int smtp_accept_queue = 0;
1445int smtp_accept_queue_per_connection = 10;
1446int smtp_accept_reserve = 0;
1447uschar *smtp_active_hostname = NULL;
1448uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1449 "Exim $version_number $tod_full"
1450 "\0<---------------Space to patch smtp_banner->";
1451int smtp_ch_index = 0;
1452uschar *smtp_cmd_argument = NULL;
1453uschar *smtp_cmd_buffer = NULL;
1454struct timeval smtp_connection_start = {0,0};
1455uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1456int smtp_connect_backlog = 20;
1457double smtp_delay_mail = 0.0;
1458double smtp_delay_rcpt = 0.0;
1459FILE *smtp_in = NULL;
1460int smtp_load_reserve = -1;
1461int smtp_mailcmd_count = 0;
1462FILE *smtp_out = NULL;
1463uschar *smtp_etrn_command = NULL;
1464int smtp_max_synprot_errors= 3;
1465int smtp_max_unknown_commands = 3;
1466uschar *smtp_notquit_reason = NULL;
1467uschar *smtp_ratelimit_hosts = NULL;
1468uschar *smtp_ratelimit_mail = NULL;
1469uschar *smtp_ratelimit_rcpt = NULL;
1470uschar *smtp_read_error = US"";
1471int smtp_receive_timeout = 5*60;
1472uschar *smtp_receive_timeout_s = NULL;
1473uschar *smtp_reserve_hosts = NULL;
1474int smtp_rlm_base = 0;
1475double smtp_rlm_factor = 0.0;
1476int smtp_rlm_limit = 0;
1477int smtp_rlm_threshold = INT_MAX;
1478int smtp_rlr_base = 0;
1479double smtp_rlr_factor = 0.0;
1480int smtp_rlr_limit = 0;
1481int smtp_rlr_threshold = INT_MAX;
1482unsigned smtp_peer_options = 0;
1483unsigned smtp_peer_options_wrap= 0;
1484#ifdef SUPPORT_I18N
1485uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1486#endif
1487
1488#ifdef WITH_CONTENT_SCAN
1489uschar *spamd_address = US"127.0.0.1 783";
1490uschar *spam_bar = NULL;
1491uschar *spam_report = NULL;
1492uschar *spam_action = NULL;
1493uschar *spam_score = NULL;
1494uschar *spam_score_int = NULL;
1495#endif
1496#ifdef SUPPORT_SPF
1497uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1498uschar *spf_header_comment = NULL;
1499uschar *spf_received = NULL;
1500uschar *spf_result = NULL;
1501uschar *spf_smtp_comment = NULL;
1502#endif
1503
1504FILE *spool_data_file = NULL;
1505uschar *spool_directory = US SPOOL_DIRECTORY
1506 "\0<--------------Space to patch spool_directory->";
1507#ifdef EXPERIMENTAL_SRS
1508uschar *srs_config = NULL;
1509uschar *srs_db_address = NULL;
1510uschar *srs_db_key = NULL;
1511int srs_hashlength = 6;
1512int srs_hashmin = -1;
1513int srs_maxage = 31;
1514uschar *srs_orig_recipient = NULL;
1515uschar *srs_orig_sender = NULL;
1516uschar *srs_recipient = NULL;
1517uschar *srs_secrets = NULL;
1518uschar *srs_status = NULL;
1519#endif
1520#ifdef EXPERIMENTAL_SRS_NATIVE
1521uschar *srs_recipient = NULL;
1522#endif
1523int string_datestamp_offset= -1;
1524int string_datestamp_length= 0;
1525int string_datestamp_type = -1;
1526uschar *submission_domain = NULL;
1527uschar *submission_name = NULL;
1528int syslog_facility = LOG_MAIL;
1529uschar *syslog_processname = US"exim";
1530uschar *system_filter = NULL;
1531
1532uschar *system_filter_directory_transport = NULL;
1533uschar *system_filter_file_transport = NULL;
1534uschar *system_filter_pipe_transport = NULL;
1535uschar *system_filter_reply_transport = NULL;
1536
1537gid_t system_filter_gid = 0;
1538uid_t system_filter_uid = (uid_t)-1;
1539
1540blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1541tfo_state_t tcp_out_fastopen = TFO_NOT_USED;
1542#ifdef USE_TCP_WRAPPERS
1543uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1544#endif
1545int test_harness_load_avg = 0;
1546int thismessage_size_limit = 0;
1547int timeout_frozen_after = 0;
1548#ifdef MEASURE_TIMING
1549struct timeval timestamp_startup;
1550#endif
1551
1552transport_instance *transports = NULL;
1553
1554transport_instance transport_defaults = {
1555 .next = NULL,
1556 .name = NULL,
1557 .info = NULL,
1558 .options_block = NULL,
1559 .driver_name = NULL,
1560 .setup = NULL,
1561 .batch_max = 1,
1562 .batch_id = NULL,
1563 .home_dir = NULL,
1564 .current_dir = NULL,
1565 .expand_multi_domain = NULL,
1566 .multi_domain = TRUE,
1567 .overrides_hosts = FALSE,
1568 .max_addresses = 100,
1569 .connection_max_messages = 500,
1570 .deliver_as_creator = FALSE,
1571 .disable_logging = FALSE,
1572 .initgroups = FALSE,
1573 .uid_set = FALSE,
1574 .gid_set = FALSE,
1575 .uid = (uid_t)(-1),
1576 .gid = (gid_t)(-1),
1577 .expand_uid = NULL,
1578 .expand_gid = NULL,
1579 .warn_message = NULL,
1580 .shadow = NULL,
1581 .shadow_condition = NULL,
1582 .filter_command = NULL,
1583 .add_headers = NULL,
1584 .remove_headers = NULL,
1585 .return_path = NULL,
1586 .debug_string = NULL,
1587 .max_parallel = NULL,
1588 .message_size_limit = NULL,
1589 .headers_rewrite = NULL,
1590 .rewrite_rules = NULL,
1591 .rewrite_existflags = 0,
1592 .filter_timeout = 300,
1593 .body_only = FALSE,
1594 .delivery_date_add = FALSE,
1595 .envelope_to_add = FALSE,
1596 .headers_only = FALSE,
1597 .rcpt_include_affixes = FALSE,
1598 .return_path_add = FALSE,
1599 .return_output = FALSE,
1600 .return_fail_output = FALSE,
1601 .log_output = FALSE,
1602 .log_fail_output = FALSE,
1603 .log_defer_output = FALSE,
1604 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1605 1 nor 0 so can detect unset */
1606#ifndef DISABLE_EVENT
1607 .event_action = NULL
1608#endif
1609};
1610
1611int transport_count;
1612uschar *transport_name = NULL;
1613int transport_newlines;
1614const uschar **transport_filter_argv = NULL;
1615int transport_filter_timeout;
1616int transport_write_timeout= 0;
1617
1618tree_node *tree_dns_fails = NULL;
1619tree_node *tree_duplicates = NULL;
1620tree_node *tree_nonrecipients = NULL;
1621tree_node *tree_unusable = NULL;
1622
1623gid_t *trusted_groups = NULL;
1624uid_t *trusted_users = NULL;
1625uschar *timezone_string = US TIMEZONE_DEFAULT;
1626
1627uschar *unknown_login = NULL;
1628uschar *unknown_username = NULL;
1629uschar *untrusted_set_sender = NULL;
1630
1631/* A regex for matching a "From_" line in an incoming message, in the form
1632
1633 From ph10 Fri Jan 5 12:35 GMT 1996
1634
1635which the "mail" commands send to the MTA (undocumented, of course), or in
1636the form
1637
1638 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1639
1640which is apparently used by some UUCPs, despite it not being in RFC 976.
1641Because of variations in time formats, just match up to the minutes. That
1642should be sufficient. Examples have been seen of time fields like 12:1:03,
1643so just require one digit for hours and minutes. The weekday is also absent
1644in some forms. */
1645
1646uschar *uucp_from_pattern = US
1647 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1648 "(?:" /* Non-extracting bracket */
1649 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1650 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1651 ")" /* End alternation */
1652 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1653
1654uschar *uucp_from_sender = US"$1";
1655
1656uschar *verify_mode = NULL;
1657uschar *version_copyright =
1658 US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1659 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1660uschar *version_date = US"?";
1661uschar *version_cnumber = US"????";
1662uschar *version_string = US"?";
1663
1664uschar *warn_message_file = NULL;
1665int warning_count = 0;
1666uschar *warnmsg_delay = NULL;
1667uschar *warnmsg_recipients = NULL;
1668
1669
1670/* End of globals.c */
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