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