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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2016 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
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. */
102
103tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
107#ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
109 0, /* tlsa_usage */
110#endif
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
119};
120tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
124#ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
126 0, /* tlsa_usage */
127#endif
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
136};
137
138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
141BOOL smtp_use_dsn = FALSE;
142uschar *dsn_advertise_hosts = NULL;
143
144#ifdef SUPPORT_TLS
145BOOL gnutls_compat_mode = FALSE;
146BOOL gnutls_allow_auto_pkcs11 = FALSE;
147uschar *openssl_options = NULL;
148const pcre *regex_STARTTLS = NULL;
149uschar *tls_advertise_hosts = US"*";
150uschar *tls_certificate = NULL;
151uschar *tls_crl = NULL;
152/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
153that's the interop problem which has been observed: GnuTLS suggesting a higher
154bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
155int tls_dh_max_bits = 2236;
156uschar *tls_dhparam = NULL;
157uschar *tls_eccurve = US"prime256v1";
158# ifndef DISABLE_OCSP
159uschar *tls_ocsp_file = NULL;
160# endif
161BOOL tls_offered = FALSE;
162uschar *tls_privatekey = NULL;
163BOOL tls_remember_esmtp = FALSE;
164uschar *tls_require_ciphers = NULL;
165uschar *tls_try_verify_hosts = NULL;
166uschar *tls_verify_certificates= US"system";
167uschar *tls_verify_hosts = NULL;
168#else /*!SUPPORT_TLS*/
169uschar *tls_advertise_hosts = NULL;
170#endif
171
172#ifndef DISABLE_PRDR
173/* Per Recipient Data Response variables */
174BOOL prdr_enable = FALSE;
175BOOL prdr_requested = FALSE;
176const pcre *regex_PRDR = NULL;
177#endif
178
179#ifdef SUPPORT_I18N
180const pcre *regex_UTF8 = NULL;
181#endif
182
183/* Input-reading functions for messages, so we can use special ones for
184incoming TCP/IP. The defaults use stdin. We never need these for any
185stand-alone tests. */
186
187#ifndef STAND_ALONE
188int (*receive_getc)(void) = stdin_getc;
189int (*receive_ungetc)(int) = stdin_ungetc;
190int (*receive_feof)(void) = stdin_feof;
191int (*receive_ferror)(void) = stdin_ferror;
192BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
193#endif
194
195
196/* List of per-address expansion variables for clearing and saving/restoring
197when verifying one address while routing/verifying another. We have to have
198the size explicit, because it is referenced from more than one module. */
199
200const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
213 CUSS &deliver_host,
214 CUSS &deliver_home,
215 CUSS &address_file,
216 CUSS &address_pipe,
217 CUSS &self_hostname,
218 NULL };
219
220int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222/* General global variables */
223
224header_line *acl_added_headers = NULL;
225tree_node *acl_anchor = NULL;
226uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228int acl_narg = 0;
229
230uschar *acl_not_smtp = NULL;
231#ifdef WITH_CONTENT_SCAN
232uschar *acl_not_smtp_mime = NULL;
233#endif
234uschar *acl_not_smtp_start = NULL;
235uschar *acl_removed_headers = NULL;
236uschar *acl_smtp_auth = NULL;
237uschar *acl_smtp_connect = NULL;
238uschar *acl_smtp_data = NULL;
239#ifndef DISABLE_PRDR
240uschar *acl_smtp_data_prdr = US"accept";
241#endif
242#ifndef DISABLE_DKIM
243uschar *acl_smtp_dkim = NULL;
244#endif
245uschar *acl_smtp_etrn = NULL;
246uschar *acl_smtp_expn = NULL;
247uschar *acl_smtp_helo = NULL;
248uschar *acl_smtp_mail = NULL;
249uschar *acl_smtp_mailauth = NULL;
250#ifdef WITH_CONTENT_SCAN
251uschar *acl_smtp_mime = NULL;
252#endif
253uschar *acl_smtp_notquit = NULL;
254uschar *acl_smtp_predata = NULL;
255uschar *acl_smtp_quit = NULL;
256uschar *acl_smtp_rcpt = NULL;
257uschar *acl_smtp_starttls = NULL;
258uschar *acl_smtp_vrfy = NULL;
259
260BOOL acl_temp_details = FALSE;
261tree_node *acl_var_c = NULL;
262tree_node *acl_var_m = NULL;
263uschar *acl_verify_message = NULL;
264string_item *acl_warn_logged = NULL;
265
266/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
272 US"MIME",
273 US"DKIM",
274 US"DATA",
275#ifndef DISABLE_PRDR
276 US"PRDR",
277#endif
278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
285 US"non-SMTP-start",
286 US"NOTQUIT",
287 US"QUIT",
288 US"STARTTLS",
289 US"VRFY",
290 US"delivery",
291 US"unknown"
292 };
293
294uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
298 US"550", /* DKIM */
299 US"550", /* DATA */
300#ifndef DISABLE_PRDR
301 US"550", /* RCPT PRDR */
302#endif
303 US"0", /* not SMTP; not relevant */
304 US"503", /* AUTH */
305 US"550", /* connect */
306 US"458", /* ETRN */
307 US"550", /* EXPN */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
314 US"252", /* VRFY */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
317 };
318
319BOOL active_local_from_check = FALSE;
320BOOL active_local_sender_retain = FALSE;
321BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
322uschar *add_environment = NULL;
323address_item *addr_duplicate = NULL;
324
325address_item address_defaults = {
326 NULL, /* next */
327 NULL, /* parent */
328 NULL, /* first */
329 NULL, /* dupof */
330 NULL, /* start_router */
331 NULL, /* router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
336 NULL, /* reply */
337 NULL, /* retries */
338 NULL, /* address */
339 NULL, /* unique */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
343 NULL, /* prefix */
344 NULL, /* suffix */
345 NULL, /* domain */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
349 NULL, /* home_dir */
350 NULL, /* message */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
357#ifdef SUPPORT_TLS
358 NULL, /* cipher */
359 NULL, /* ourcert */
360 NULL, /* peercert */
361 NULL, /* peerdn */
362 OCSP_NOT_REQ, /* ocsp */
363#endif
364#ifdef EXPERIMENTAL_DSN_INFO
365 NULL, /* smtp_greeting */
366 NULL, /* helo_response */
367#endif
368 NULL, /* authenticator */
369 NULL, /* auth_id */
370 NULL, /* auth_sndr */
371 NULL, /* dsn_orcpt */
372 0, /* dsn_flags */
373 0, /* dsn_aware */
374 (uid_t)(-1), /* uid */
375 (gid_t)(-1), /* gid */
376 0, /* flags */
377 { 0 }, /* domain_cache - any larger array should be zeroed */
378 { 0 }, /* localpart_cache - ditto */
379 -1, /* mode */
380 0, /* more_errno */
381 ERRNO_UNKNOWNERROR, /* basic_errno */
382 0, /* child_count */
383 -1, /* return_file */
384 SPECIAL_NONE, /* special_action */
385 DEFER, /* transport_return */
386 { /* fields that are propagated to children */
387 NULL, /* address_data */
388 NULL, /* domain_data */
389 NULL, /* localpart_data */
390 NULL, /* errors_address */
391 NULL, /* extra_headers */
392 NULL, /* remove_headers */
393#ifdef EXPERIMENTAL_SRS
394 NULL, /* srs_sender */
395#endif
396#ifdef SUPPORT_I18N
397 FALSE, /* utf8 */
398#endif
399 }
400};
401
402uschar *address_file = NULL;
403uschar *address_pipe = NULL;
404BOOL address_test_mode = FALSE;
405tree_node *addresslist_anchor = NULL;
406int addresslist_count = 0;
407gid_t *admin_groups = NULL;
408BOOL admin_user = FALSE;
409BOOL allow_auth_unadvertised= FALSE;
410BOOL allow_domain_literals = FALSE;
411BOOL allow_mx_to_ip = FALSE;
412BOOL allow_unqualified_recipient = TRUE; /* For local messages */
413BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
414BOOL allow_utf8_domains = FALSE;
415uschar *authenticated_fail_id = NULL;
416uschar *authenticated_id = NULL;
417uschar *authenticated_sender = NULL;
418BOOL authentication_failed = FALSE;
419auth_instance *auths = NULL;
420uschar *auth_advertise_hosts = US"*";
421auth_instance auth_defaults = {
422 NULL, /* chain pointer */
423 NULL, /* name */
424 NULL, /* info */
425 NULL, /* private options block pointer */
426 NULL, /* driver_name */
427 NULL, /* advertise_condition */
428 NULL, /* client_condition */
429 NULL, /* public_name */
430 NULL, /* set_id */
431 NULL, /* set_client_id */
432 NULL, /* server_mail_auth_condition */
433 NULL, /* server_debug_string */
434 NULL, /* server_condition */
435 FALSE, /* client */
436 FALSE, /* server */
437 FALSE /* advertised */
438};
439
440uschar *auth_defer_msg = US"reason not recorded";
441uschar *auth_defer_user_msg = US"";
442uschar *auth_vars[AUTH_VARS];
443int auto_thaw = 0;
444#ifdef WITH_CONTENT_SCAN
445BOOL av_failed = FALSE;
446uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
447#endif
448
449BOOL background_daemon = TRUE;
450
451#if BASE_62 == 62
452uschar *base62_chars=
453 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
454#else
455uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
456#endif
457
458uschar *bi_command = NULL;
459uschar *big_buffer = NULL;
460int big_buffer_size = BIG_BUFFER_SIZE;
461#ifdef EXPERIMENTAL_BRIGHTMAIL
462uschar *bmi_alt_location = NULL;
463uschar *bmi_base64_tracker_verdict = NULL;
464uschar *bmi_base64_verdict = NULL;
465uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
466int bmi_deliver = 1;
467int bmi_run = 0;
468uschar *bmi_verdicts = NULL;
469#endif
470int body_8bitmime = 0;
471int body_linecount = 0;
472int body_zerocount = 0;
473uschar *bounce_message_file = NULL;
474uschar *bounce_message_text = NULL;
475uschar *bounce_recipient = NULL;
476BOOL bounce_return_body = TRUE;
477int bounce_return_linesize_limit = 998;
478BOOL bounce_return_message = TRUE;
479int bounce_return_size_limit = 100*1024;
480uschar *bounce_sender_authentication = NULL;
481int bsmtp_transaction_linecount = 0;
482
483uschar *callout_address = NULL;
484int callout_cache_domain_positive_expire = 7*24*60*60;
485int callout_cache_domain_negative_expire = 3*60*60;
486int callout_cache_positive_expire = 24*60*60;
487int callout_cache_negative_expire = 2*60*60;
488uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
489uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
490int check_log_inodes = 0;
491int check_log_space = 0;
492BOOL check_rfc2047_length = TRUE;
493int check_spool_inodes = 0;
494int check_spool_space = 0;
495uschar *client_authenticator = NULL;
496uschar *client_authenticated_id = NULL;
497uschar *client_authenticated_sender = NULL;
498int clmacro_count = 0;
499uschar *clmacros[MAX_CLMACROS];
500BOOL config_changed = FALSE;
501FILE *config_file = NULL;
502uschar *config_filename = NULL;
503int config_lineno = 0;
504#ifdef CONFIGURE_GROUP
505gid_t config_gid = CONFIGURE_GROUP;
506#endif
507uschar *config_main_filelist = US CONFIGURE_FILE
508 "\0<-----------Space to patch configure_filename->";
509uschar *config_main_filename = NULL;
510uschar *config_main_directory = NULL;
511
512#ifdef CONFIGURE_OWNER
513uid_t config_uid = CONFIGURE_OWNER;
514#endif
515
516int connection_max_messages= -1;
517uschar *continue_hostname = NULL;
518uschar *continue_host_address = NULL;
519BOOL continue_more = FALSE;
520int continue_sequence = 1;
521uschar *continue_transport = NULL;
522
523uschar *csa_status = NULL;
524cut_t cutthrough = {
525 FALSE, /* delivery: when to attempt */
526 -1, /* fd: open connection */
527 0, /* nrcpt: number of addresses */
528};
529
530BOOL daemon_listen = FALSE;
531uschar *daemon_smtp_port = US"smtp";
532int daemon_startup_retries = 9;
533int daemon_startup_sleep = 30;
534
535#ifdef EXPERIMENTAL_DCC
536BOOL dcc_direct_add_header = FALSE;
537uschar *dcc_header = NULL;
538uschar *dcc_result = NULL;
539uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
540uschar *dccifd_options = US"header";
541#endif
542
543BOOL debug_daemon = FALSE;
544int debug_fd = -1;
545FILE *debug_file = NULL;
546int debug_notall[] = {
547 Di_memory,
548 -1
549};
550bit_table debug_options[] = { /* must be in alphabetical order */
551 BIT_TABLE(D, acl),
552 BIT_TABLE(D, all),
553 BIT_TABLE(D, auth),
554 BIT_TABLE(D, deliver),
555 BIT_TABLE(D, dns),
556 BIT_TABLE(D, dnsbl),
557 BIT_TABLE(D, exec),
558 BIT_TABLE(D, expand),
559 BIT_TABLE(D, filter),
560 BIT_TABLE(D, hints_lookup),
561 BIT_TABLE(D, host_lookup),
562 BIT_TABLE(D, ident),
563 BIT_TABLE(D, interface),
564 BIT_TABLE(D, lists),
565 BIT_TABLE(D, load),
566 BIT_TABLE(D, local_scan),
567 BIT_TABLE(D, lookup),
568 BIT_TABLE(D, memory),
569 BIT_TABLE(D, pid),
570 BIT_TABLE(D, process_info),
571 BIT_TABLE(D, queue_run),
572 BIT_TABLE(D, receive),
573 BIT_TABLE(D, resolver),
574 BIT_TABLE(D, retry),
575 BIT_TABLE(D, rewrite),
576 BIT_TABLE(D, route),
577 BIT_TABLE(D, timestamp),
578 BIT_TABLE(D, tls),
579 BIT_TABLE(D, transport),
580 BIT_TABLE(D, uid),
581 BIT_TABLE(D, verify),
582};
583int debug_options_count = nelem(debug_options);
584
585unsigned int debug_selector = 0;
586int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
587uschar *delay_warning_condition=
588 US"${if or {"
589 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
590 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
591 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
592 "} {no}{yes}}";
593BOOL delivery_date_remove = TRUE;
594uschar *deliver_address_data = NULL;
595int deliver_datafile = -1;
596const uschar *deliver_domain = NULL;
597uschar *deliver_domain_data = NULL;
598const uschar *deliver_domain_orig = NULL;
599const uschar *deliver_domain_parent = NULL;
600BOOL deliver_drop_privilege = FALSE;
601BOOL deliver_firsttime = FALSE;
602BOOL deliver_force = FALSE;
603BOOL deliver_freeze = FALSE;
604time_t deliver_frozen_at = 0;
605uschar *deliver_home = NULL;
606const uschar *deliver_host = NULL;
607const uschar *deliver_host_address = NULL;
608int deliver_host_port = 0;
609uschar *deliver_in_buffer = NULL;
610ino_t deliver_inode = 0;
611uschar *deliver_localpart = NULL;
612uschar *deliver_localpart_data = NULL;
613uschar *deliver_localpart_orig = NULL;
614uschar *deliver_localpart_parent = NULL;
615uschar *deliver_localpart_prefix = NULL;
616uschar *deliver_localpart_suffix = NULL;
617BOOL deliver_force_thaw = FALSE;
618BOOL deliver_manual_thaw = FALSE;
619uschar *deliver_out_buffer = NULL;
620int deliver_queue_load_max = -1;
621address_item *deliver_recipients = NULL;
622uschar *deliver_selectstring = NULL;
623BOOL deliver_selectstring_regex = FALSE;
624uschar *deliver_selectstring_sender = NULL;
625BOOL deliver_selectstring_sender_regex = FALSE;
626BOOL disable_callout_flush = FALSE;
627BOOL disable_delay_flush = FALSE;
628#ifdef ENABLE_DISABLE_FSYNC
629BOOL disable_fsync = FALSE;
630#endif
631BOOL disable_ipv6 = FALSE;
632BOOL disable_logging = FALSE;
633
634#ifndef DISABLE_DKIM
635BOOL dkim_collect_input = FALSE;
636uschar *dkim_cur_signer = NULL;
637BOOL dkim_disable_verify = FALSE;
638int dkim_key_length = 0;
639uschar *dkim_signers = NULL;
640uschar *dkim_signing_domain = NULL;
641uschar *dkim_signing_selector = NULL;
642uschar *dkim_verify_signers = US"$dkim_signers";
643#endif
644#ifdef EXPERIMENTAL_DMARC
645BOOL dmarc_has_been_checked = FALSE;
646uschar *dmarc_ar_header = NULL;
647uschar *dmarc_domain_policy = NULL;
648uschar *dmarc_forensic_sender = NULL;
649uschar *dmarc_history_file = NULL;
650uschar *dmarc_status = NULL;
651uschar *dmarc_status_text = NULL;
652uschar *dmarc_tld_file = NULL;
653uschar *dmarc_used_domain = NULL;
654BOOL dmarc_disable_verify = FALSE;
655BOOL dmarc_enable_forensic = FALSE;
656#endif
657
658uschar *dns_again_means_nonexist = NULL;
659int dns_csa_search_limit = 5;
660BOOL dns_csa_use_reverse = TRUE;
661#ifdef EXPERIMENTAL_DANE
662int dns_dane_ok = -1;
663#endif
664uschar *dns_ipv4_lookup = NULL;
665int dns_retrans = 0;
666int dns_retry = 0;
667int dns_dnssec_ok = -1; /* <0 = not coerced */
668uschar *dns_trust_aa = NULL;
669int dns_use_edns0 = -1; /* <0 = not coerced */
670uschar *dnslist_domain = NULL;
671uschar *dnslist_matched = NULL;
672uschar *dnslist_text = NULL;
673uschar *dnslist_value = NULL;
674tree_node *domainlist_anchor = NULL;
675int domainlist_count = 0;
676BOOL dont_deliver = FALSE;
677BOOL dot_ends = TRUE;
678BOOL drop_cr = FALSE; /* No longer used */
679uschar *dsn_from = US DEFAULT_DSN_FROM;
680
681BOOL enable_dollar_recipients = FALSE;
682BOOL envelope_to_remove = TRUE;
683int errno_quota = ERRNO_QUOTA;
684uschar *errors_copy = NULL;
685int error_handling = ERRORS_SENDER;
686uschar *errors_reply_to = NULL;
687int errors_sender_rc = EXIT_FAILURE;
688#ifndef DISABLE_EVENT
689uschar *event_action = NULL; /* expansion for delivery events */
690uschar *event_data = NULL; /* auxilary data variable for event */
691int event_defer_errno = 0;
692const uschar *event_name = NULL; /* event name variable */
693#endif
694
695
696gid_t exim_gid = EXIM_GID;
697BOOL exim_gid_set = TRUE; /* This gid is always set */
698uschar *exim_path = US BIN_DIRECTORY "/exim"
699 "\0<---------------Space to patch exim_path->";
700uid_t exim_uid = EXIM_UID;
701BOOL exim_uid_set = TRUE; /* This uid is always set */
702int expand_forbid = 0;
703int expand_nlength[EXPAND_MAXN+1];
704int expand_nmax = -1;
705uschar *expand_nstring[EXPAND_MAXN+1];
706BOOL expand_string_forcedfail = FALSE;
707uschar *expand_string_message;
708BOOL extract_addresses_remove_arguments = TRUE;
709uschar *extra_local_interfaces = NULL;
710
711int fake_response = OK;
712uschar *fake_response_text = US"Your message has been rejected but is "
713 "being kept for evaluation.\nIf it was a "
714 "legitimate message, it may still be "
715 "delivered to the target recipient(s).";
716int filter_n[FILTER_VARIABLE_COUNT];
717BOOL filter_running = FALSE;
718int filter_sn[FILTER_VARIABLE_COUNT];
719int filter_test = FTEST_NONE;
720uschar *filter_test_sfile = NULL;
721uschar *filter_test_ufile = NULL;
722uschar *filter_thisaddress = NULL;
723int finduser_retries = 0;
724uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
725uschar *freeze_tell = NULL;
726uschar *freeze_tell_config = NULL;
727uschar *fudged_queue_times = US"";
728
729uschar *gecos_name = NULL;
730uschar *gecos_pattern = NULL;
731rewrite_rule *global_rewrite_rules = NULL;
732
733uschar *headers_charset = US HEADERS_CHARSET;
734int header_insert_maxlen = 64 * 1024;
735header_line *header_last = NULL;
736header_line *header_list = NULL;
737int header_maxsize = HEADER_MAXSIZE;
738int header_line_maxsize = 0;
739
740header_name header_names[] = {
741 { US"bcc", 3, TRUE, htype_bcc },
742 { US"cc", 2, TRUE, htype_cc },
743 { US"date", 4, TRUE, htype_date },
744 { US"delivery-date", 13, FALSE, htype_delivery_date },
745 { US"envelope-to", 11, FALSE, htype_envelope_to },
746 { US"from", 4, TRUE, htype_from },
747 { US"message-id", 10, TRUE, htype_id },
748 { US"received", 8, FALSE, htype_received },
749 { US"reply-to", 8, FALSE, htype_reply_to },
750 { US"return-path", 11, FALSE, htype_return_path },
751 { US"sender", 6, TRUE, htype_sender },
752 { US"subject", 7, FALSE, htype_subject },
753 { US"to", 2, TRUE, htype_to }
754};
755
756int header_names_size = sizeof(header_names)/sizeof(header_name);
757
758BOOL header_rewritten = FALSE;
759uschar *helo_accept_junk_hosts = NULL;
760uschar *helo_allow_chars = US"";
761uschar *helo_lookup_domains = US"@ : @[]";
762uschar *helo_try_verify_hosts = NULL;
763BOOL helo_verified = FALSE;
764BOOL helo_verify_failed = FALSE;
765uschar *helo_verify_hosts = NULL;
766const uschar *hex_digits = CUS"0123456789abcdef";
767uschar *hold_domains = NULL;
768BOOL host_checking = FALSE;
769BOOL host_checking_callout = FALSE;
770uschar *host_data = NULL;
771BOOL host_find_failed_syntax= FALSE;
772uschar *host_lookup = NULL;
773BOOL host_lookup_deferred = FALSE;
774BOOL host_lookup_failed = FALSE;
775uschar *host_lookup_order = US"bydns:byaddr";
776uschar *host_lookup_msg = US"";
777int host_number = 0;
778uschar *host_number_string = NULL;
779uschar *host_reject_connection = NULL;
780tree_node *hostlist_anchor = NULL;
781int hostlist_count = 0;
782uschar *hosts_treat_as_local = NULL;
783uschar *hosts_connection_nolog = NULL;
784
785int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
786BOOL ignore_fromline_local = FALSE;
787uschar *ignore_fromline_hosts = NULL;
788BOOL inetd_wait_mode = FALSE;
789int inetd_wait_timeout = -1;
790uschar *initial_cwd = NULL;
791uschar *interface_address = NULL;
792int interface_port = -1;
793BOOL is_inetd = FALSE;
794uschar *iterate_item = NULL;
795
796int journal_fd = -1;
797
798uschar *keep_environment = NULL;
799
800int keep_malformed = 4*24*60*60; /* 4 days */
801
802uschar *eldap_dn = NULL;
803int load_average = -2;
804BOOL local_error_message = FALSE;
805BOOL local_from_check = TRUE;
806uschar *local_from_prefix = NULL;
807uschar *local_from_suffix = NULL;
808
809#if HAVE_IPV6
810uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
811#else
812uschar *local_interfaces = US"0.0.0.0";
813#endif
814
815uschar *local_scan_data = NULL;
816int local_scan_timeout = 5*60;
817BOOL local_sender_retain = FALSE;
818gid_t local_user_gid = (gid_t)(-1);
819uid_t local_user_uid = (uid_t)(-1);
820
821tree_node *localpartlist_anchor= NULL;
822int localpartlist_count = 0;
823uschar *log_buffer = NULL;
824
825int log_default[] = { /* for initializing log_selector */
826 Li_acl_warn_skipped,
827 Li_connection_reject,
828 Li_delay_delivery,
829 Li_dnslist_defer,
830 Li_etrn,
831 Li_host_lookup_failed,
832 Li_lost_incoming_connection,
833 Li_outgoing_interface, /* see d_log_interface in deliver.c */
834 Li_queue_run,
835 Li_rejected_header,
836 Li_retry_defer,
837 Li_sender_verify_fail,
838 Li_size_reject,
839 Li_skip_delivery,
840 Li_smtp_confirmation,
841 Li_tls_certificate_verified,
842 Li_tls_cipher,
843 -1
844};
845
846uschar *log_file_path = US LOG_FILE_PATH
847 "\0<--------------Space to patch log_file_path->";
848
849int log_notall[] = {
850 -1
851};
852bit_table log_options[] = { /* must be in alphabetical order */
853 BIT_TABLE(L, 8bitmime),
854 BIT_TABLE(L, acl_warn_skipped),
855 BIT_TABLE(L, address_rewrite),
856 BIT_TABLE(L, all),
857 BIT_TABLE(L, all_parents),
858 BIT_TABLE(L, arguments),
859 BIT_TABLE(L, connection_reject),
860 BIT_TABLE(L, delay_delivery),
861 BIT_TABLE(L, deliver_time),
862 BIT_TABLE(L, delivery_size),
863 BIT_TABLE(L, dnslist_defer),
864 BIT_TABLE(L, dnssec),
865 BIT_TABLE(L, etrn),
866 BIT_TABLE(L, host_lookup_failed),
867 BIT_TABLE(L, ident_timeout),
868 BIT_TABLE(L, incoming_interface),
869 BIT_TABLE(L, incoming_port),
870 BIT_TABLE(L, lost_incoming_connection),
871 BIT_TABLE(L, outgoing_interface),
872 BIT_TABLE(L, outgoing_port),
873 BIT_TABLE(L, pid),
874#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
875 BIT_TABLE(L, proxy),
876#endif
877 BIT_TABLE(L, queue_run),
878 BIT_TABLE(L, queue_time),
879 BIT_TABLE(L, queue_time_overall),
880 BIT_TABLE(L, received_recipients),
881 BIT_TABLE(L, received_sender),
882 BIT_TABLE(L, rejected_header),
883 { US"rejected_headers", Li_rejected_header },
884 BIT_TABLE(L, retry_defer),
885 BIT_TABLE(L, return_path_on_delivery),
886 BIT_TABLE(L, sender_on_delivery),
887 BIT_TABLE(L, sender_verify_fail),
888 BIT_TABLE(L, size_reject),
889 BIT_TABLE(L, skip_delivery),
890 BIT_TABLE(L, smtp_confirmation),
891 BIT_TABLE(L, smtp_connection),
892 BIT_TABLE(L, smtp_incomplete_transaction),
893 BIT_TABLE(L, smtp_mailauth),
894 BIT_TABLE(L, smtp_no_mail),
895 BIT_TABLE(L, smtp_protocol_error),
896 BIT_TABLE(L, smtp_syntax_error),
897 BIT_TABLE(L, subject),
898 BIT_TABLE(L, tls_certificate_verified),
899 BIT_TABLE(L, tls_cipher),
900 BIT_TABLE(L, tls_peerdn),
901 BIT_TABLE(L, tls_sni),
902 BIT_TABLE(L, unknown_in_list),
903};
904int log_options_count = nelem(log_options);
905
906int log_reject_target = 0;
907unsigned int log_selector[log_selector_size]; /* initialized in main() */
908uschar *log_selector_string = NULL;
909FILE *log_stderr = NULL;
910BOOL log_testing_mode = FALSE;
911BOOL log_timezone = FALSE;
912uschar *login_sender_address = NULL;
913uschar *lookup_dnssec_authenticated = NULL;
914int lookup_open_max = 25;
915uschar *lookup_value = NULL;
916
917macro_item *macros = NULL;
918uschar *mailstore_basename = NULL;
919#ifdef WITH_CONTENT_SCAN
920uschar *malware_name = NULL; /* Virus Name */
921#endif
922int max_received_linelength= 0;
923int max_username_length = 0;
924int message_age = 0;
925uschar *message_body = NULL;
926uschar *message_body_end = NULL;
927BOOL message_body_newlines = FALSE;
928int message_body_size = 0;
929int message_body_visible = 500;
930int message_ended = END_NOTSTARTED;
931uschar *message_headers = NULL;
932uschar *message_id;
933uschar *message_id_domain = NULL;
934uschar *message_id_text = NULL;
935struct timeval message_id_tv = { 0, 0 };
936uschar message_id_option[MESSAGE_ID_LENGTH + 3];
937uschar *message_id_external;
938int message_linecount = 0;
939BOOL message_logs = TRUE;
940int message_size = 0;
941uschar *message_size_limit = US"50M";
942#ifdef SUPPORT_I18N
943BOOL message_smtputf8 = FALSE;
944int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
945#endif
946uschar message_subdir[2] = { 0, 0 };
947uschar *message_reference = NULL;
948
949/* MIME ACL expandables */
950#ifdef WITH_CONTENT_SCAN
951int mime_anomaly_level = 0;
952const uschar *mime_anomaly_text = NULL;
953uschar *mime_boundary = NULL;
954uschar *mime_charset = NULL;
955uschar *mime_content_description = NULL;
956uschar *mime_content_disposition = NULL;
957uschar *mime_content_id = NULL;
958unsigned int mime_content_size = 0;
959uschar *mime_content_transfer_encoding = NULL;
960uschar *mime_content_type = NULL;
961uschar *mime_decoded_filename = NULL;
962uschar *mime_filename = NULL;
963int mime_is_multipart = 0;
964int mime_is_coverletter = 0;
965int mime_is_rfc822 = 0;
966int mime_part_count = -1;
967#endif
968
969BOOL mua_wrapper = FALSE;
970
971uid_t *never_users = NULL;
972#ifdef WITH_CONTENT_SCAN
973BOOL no_mbox_unspool = FALSE;
974#endif
975BOOL no_multiline_responses = FALSE;
976
977uid_t original_euid;
978gid_t originator_gid;
979uschar *originator_login = NULL;
980uschar *originator_name = NULL;
981uid_t originator_uid;
982uschar *override_local_interfaces = NULL;
983uschar *override_pid_file_path = NULL;
984
985BOOL parse_allow_group = FALSE;
986BOOL parse_found_group = FALSE;
987uschar *percent_hack_domains = NULL;
988uschar *pid_file_path = US PID_FILE_PATH
989 "\0<--------------Space to patch pid_file_path->";
990BOOL pipelining_enable = TRUE;
991uschar *pipelining_advertise_hosts = US"*";
992BOOL preserve_message_logs = FALSE;
993uschar *primary_hostname = NULL;
994BOOL print_topbitchars = FALSE;
995uschar process_info[PROCESS_INFO_SIZE];
996int process_info_len = 0;
997uschar *process_log_path = NULL;
998BOOL prod_requires_admin = TRUE;
999
1000#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1001uschar *hosts_proxy = US"";
1002uschar *proxy_external_address = US"";
1003int proxy_external_port = 0;
1004uschar *proxy_local_address = US"";
1005int proxy_local_port = 0;
1006BOOL proxy_session = FALSE;
1007BOOL proxy_session_failed = FALSE;
1008#endif
1009
1010uschar *prvscheck_address = NULL;
1011uschar *prvscheck_keynum = NULL;
1012uschar *prvscheck_result = NULL;
1013
1014
1015const uschar *qualify_domain_recipient = NULL;
1016uschar *qualify_domain_sender = NULL;
1017BOOL queue_2stage = FALSE;
1018uschar *queue_domains = NULL;
1019int queue_interval = -1;
1020BOOL queue_list_requires_admin = TRUE;
1021uschar *queue_name = US"";
1022BOOL queue_only = FALSE;
1023uschar *queue_only_file = NULL;
1024int queue_only_load = -1;
1025BOOL queue_only_load_latch = TRUE;
1026BOOL queue_only_override = TRUE;
1027BOOL queue_only_policy = FALSE;
1028BOOL queue_run_first_delivery = FALSE;
1029BOOL queue_run_force = FALSE;
1030BOOL queue_run_in_order = FALSE;
1031BOOL queue_run_local = FALSE;
1032uschar *queue_run_max = US"5";
1033pid_t queue_run_pid = (pid_t)0;
1034int queue_run_pipe = -1;
1035BOOL queue_running = FALSE;
1036BOOL queue_smtp = FALSE;
1037uschar *queue_smtp_domains = NULL;
1038
1039unsigned int random_seed = 0;
1040tree_node *ratelimiters_cmd = NULL;
1041tree_node *ratelimiters_conn = NULL;
1042tree_node *ratelimiters_mail = NULL;
1043uschar *raw_active_hostname = NULL;
1044uschar *raw_sender = NULL;
1045uschar **raw_recipients = NULL;
1046int raw_recipients_count = 0;
1047
1048int rcpt_count = 0;
1049int rcpt_fail_count = 0;
1050int rcpt_defer_count = 0;
1051gid_t real_gid;
1052uid_t real_uid;
1053BOOL really_exim = TRUE;
1054BOOL receive_call_bombout = FALSE;
1055int receive_linecount = 0;
1056int receive_messagecount = 0;
1057int receive_timeout = 0;
1058int received_count = 0;
1059uschar *received_for = NULL;
1060
1061/* This is the default text for Received headers generated by Exim. The
1062date will be automatically added on the end. */
1063
1064uschar *received_header_text = US
1065 "Received: "
1066 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1067 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1068 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1069 "by $primary_hostname "
1070 "${if def:received_protocol {with $received_protocol}} "
1071 #ifdef SUPPORT_TLS
1072 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1073 #endif
1074 "(Exim $version_number)\n\t"
1075 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1076 "id $message_exim_id"
1077 "${if def:received_for {\n\tfor $received_for}}"
1078 "\0<---------------Space to patch received_header_text->";
1079
1080int received_headers_max = 30;
1081uschar *received_protocol = NULL;
1082int received_time = 0;
1083uschar *recipient_data = NULL;
1084uschar *recipient_unqualified_hosts = NULL;
1085uschar *recipient_verify_failure = NULL;
1086int recipients_count = 0;
1087BOOL recipients_discarded = FALSE;
1088recipient_item *recipients_list = NULL;
1089int recipients_list_max = 0;
1090int recipients_max = 0;
1091BOOL recipients_max_reject = FALSE;
1092const pcre *regex_AUTH = NULL;
1093const pcre *regex_check_dns_names = NULL;
1094const pcre *regex_From = NULL;
1095const pcre *regex_IGNOREQUOTA = NULL;
1096const pcre *regex_PIPELINING = NULL;
1097const pcre *regex_SIZE = NULL;
1098const pcre *regex_ismsgid = NULL;
1099const pcre *regex_smtp_code = NULL;
1100uschar *regex_vars[REGEX_VARS];
1101#ifdef WHITELIST_D_MACROS
1102const pcre *regex_whitelisted_macro = NULL;
1103#endif
1104#ifdef WITH_CONTENT_SCAN
1105uschar *regex_match_string = NULL;
1106#endif
1107int remote_delivery_count = 0;
1108int remote_max_parallel = 2;
1109uschar *remote_sort_domains = NULL;
1110int retry_data_expire = 7*24*60*60;
1111int retry_interval_max = 24*60*60;
1112int retry_maximum_timeout = 0; /* set from retry config */
1113retry_config *retries = NULL;
1114uschar *return_path = NULL;
1115BOOL return_path_remove = TRUE;
1116int rewrite_existflags = 0;
1117uschar *rfc1413_hosts = US"@[]";
1118int rfc1413_query_timeout = 0;
1119/* BOOL rfc821_domains = FALSE; <<< on the way out */
1120uid_t root_gid = ROOT_GID;
1121uid_t root_uid = ROOT_UID;
1122
1123router_instance *routers = NULL;
1124router_instance router_defaults = {
1125 NULL, /* chain pointer */
1126 NULL, /* name */
1127 NULL, /* info */
1128 NULL, /* private options block pointer */
1129 NULL, /* driver name */
1130
1131 NULL, /* address_data */
1132#ifdef EXPERIMENTAL_BRIGHTMAIL
1133 NULL, /* bmi_rule */
1134#endif
1135 NULL, /* cannot_route_message */
1136 NULL, /* condition */
1137 NULL, /* current_directory */
1138 NULL, /* debug_string */
1139 NULL, /* domains */
1140 NULL, /* errors_to */
1141 NULL, /* expand_gid */
1142 NULL, /* expand_uid */
1143 NULL, /* expand_more */
1144 NULL, /* expand_unseen */
1145 NULL, /* extra_headers */
1146 NULL, /* fallback_hosts */
1147 NULL, /* home_directory */
1148 NULL, /* ignore_target_hosts */
1149 NULL, /* local_parts */
1150 NULL, /* pass_router_name */
1151 NULL, /* prefix */
1152 NULL, /* redirect_router_name */
1153 NULL, /* remove_headers */
1154 NULL, /* require_files */
1155 NULL, /* router_home_directory */
1156 US"freeze", /* self */
1157 NULL, /* senders */
1158 NULL, /* suffix */
1159 NULL, /* translate_ip_address */
1160 NULL, /* transport_name */
1161
1162 TRUE, /* address_test */
1163#ifdef EXPERIMENTAL_BRIGHTMAIL
1164 FALSE, /* bmi_deliver_alternate */
1165 FALSE, /* bmi_deliver_default */
1166 FALSE, /* bmi_dont_deliver */
1167#endif
1168 TRUE, /* expn */
1169 FALSE, /* caseful_local_part */
1170 FALSE, /* check_local_user */
1171 FALSE, /* disable_logging */
1172 FALSE, /* fail_verify_recipient */
1173 FALSE, /* fail_verify_sender */
1174 FALSE, /* gid_set */
1175 FALSE, /* initgroups */
1176 TRUE_UNSET, /* log_as_local */
1177 TRUE, /* more */
1178 FALSE, /* pass_on_timeout */
1179 FALSE, /* prefix_optional */
1180 TRUE, /* repeat_use */
1181 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1182 FALSE, /* same_domain_copy_routing */
1183 FALSE, /* self_rewrite */
1184 FALSE, /* suffix_optional */
1185 FALSE, /* verify_only */
1186 TRUE, /* verify_recipient */
1187 TRUE, /* verify_sender */
1188 FALSE, /* uid_set */
1189 FALSE, /* unseen */
1190 FALSE, /* dsn_lasthop */
1191
1192 self_freeze, /* self_code */
1193 (uid_t)(-1), /* uid */
1194 (gid_t)(-1), /* gid */
1195
1196 NULL, /* fallback_hostlist */
1197 NULL, /* transport instance */
1198 NULL, /* pass_router */
1199 NULL, /* redirect_router */
1200
1201 { NULL, NULL }, /* dnssec_domains {require,request} */
1202};
1203
1204uschar *router_name = NULL;
1205
1206ip_address_item *running_interfaces = NULL;
1207BOOL running_in_test_harness = FALSE;
1208
1209/* This is a weird one. The following string gets patched in the binary by the
1210script that sets up a copy of Exim for running in the test harness. It seems
1211that compilers are now clever, and share constant strings if they can.
1212Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1213make use of the end of this string in order to save space. So the patching then
1214wrecks this. We defeat this optimization by adding some additional characters
1215onto the end of the string. */
1216
1217uschar *running_status = US">>>running<<<" "\0EXTRA";
1218
1219int runrc = 0;
1220
1221uschar *search_error_message = NULL;
1222BOOL search_find_defer = FALSE;
1223uschar *self_hostname = NULL;
1224uschar *sender_address = NULL;
1225unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1226uschar *sender_address_data = NULL;
1227BOOL sender_address_forced = FALSE;
1228uschar *sender_address_unrewritten = NULL;
1229uschar *sender_data = NULL;
1230unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1231uschar *sender_fullhost = NULL;
1232BOOL sender_helo_dnssec = FALSE;
1233uschar *sender_helo_name = NULL;
1234uschar **sender_host_aliases = &no_aliases;
1235uschar *sender_host_address = NULL;
1236uschar *sender_host_authenticated = NULL;
1237unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1238BOOL sender_host_dnssec = FALSE;
1239uschar *sender_host_name = NULL;
1240int sender_host_port = 0;
1241BOOL sender_host_notsocket = FALSE;
1242BOOL sender_host_unknown = FALSE;
1243uschar *sender_ident = NULL;
1244BOOL sender_local = FALSE;
1245BOOL sender_name_forced = FALSE;
1246uschar *sender_rate = NULL;
1247uschar *sender_rate_limit = NULL;
1248uschar *sender_rate_period = NULL;
1249uschar *sender_rcvhost = NULL;
1250BOOL sender_set_untrusted = FALSE;
1251uschar *sender_unqualified_hosts = NULL;
1252uschar *sender_verify_failure = NULL;
1253address_item *sender_verified_list = NULL;
1254address_item *sender_verified_failed = NULL;
1255int sender_verified_rc = -1;
1256BOOL sender_verified_responded = FALSE;
1257uschar *sending_ip_address = NULL;
1258int sending_port = -1;
1259SIGNAL_BOOL sigalrm_seen = FALSE;
1260uschar **sighup_argv = NULL;
1261int slow_lookup_log = 0; /* millisecs, zero disables */
1262int smtp_accept_count = 0;
1263BOOL smtp_accept_keepalive = TRUE;
1264int smtp_accept_max = 20;
1265int smtp_accept_max_nonmail= 10;
1266uschar *smtp_accept_max_nonmail_hosts = US"*";
1267int smtp_accept_max_per_connection = 1000;
1268uschar *smtp_accept_max_per_host = NULL;
1269int smtp_accept_queue = 0;
1270int smtp_accept_queue_per_connection = 10;
1271int smtp_accept_reserve = 0;
1272uschar *smtp_active_hostname = NULL;
1273BOOL smtp_authenticated = FALSE;
1274uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1275 "Exim $version_number $tod_full"
1276 "\0<---------------Space to patch smtp_banner->";
1277BOOL smtp_batched_input = FALSE;
1278BOOL smtp_check_spool_space = TRUE;
1279int smtp_ch_index = 0;
1280uschar *smtp_cmd_argument = NULL;
1281uschar *smtp_cmd_buffer = NULL;
1282time_t smtp_connection_start = 0;
1283uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1284int smtp_connect_backlog = 20;
1285double smtp_delay_mail = 0.0;
1286double smtp_delay_rcpt = 0.0;
1287BOOL smtp_enforce_sync = TRUE;
1288FILE *smtp_in = NULL;
1289BOOL smtp_input = FALSE;
1290int smtp_load_reserve = -1;
1291int smtp_mailcmd_count = 0;
1292FILE *smtp_out = NULL;
1293uschar *smtp_etrn_command = NULL;
1294BOOL smtp_etrn_serialize = TRUE;
1295int smtp_max_synprot_errors= 3;
1296int smtp_max_unknown_commands = 3;
1297uschar *smtp_notquit_reason = NULL;
1298uschar *smtp_ratelimit_hosts = NULL;
1299uschar *smtp_ratelimit_mail = NULL;
1300uschar *smtp_ratelimit_rcpt = NULL;
1301uschar *smtp_read_error = US"";
1302int smtp_receive_timeout = 5*60;
1303uschar *smtp_receive_timeout_s = NULL;
1304uschar *smtp_reserve_hosts = NULL;
1305BOOL smtp_return_error_details = FALSE;
1306int smtp_rlm_base = 0;
1307double smtp_rlm_factor = 0.0;
1308int smtp_rlm_limit = 0;
1309int smtp_rlm_threshold = INT_MAX;
1310int smtp_rlr_base = 0;
1311double smtp_rlr_factor = 0.0;
1312int smtp_rlr_limit = 0;
1313int smtp_rlr_threshold = INT_MAX;
1314BOOL smtp_use_pipelining = FALSE;
1315BOOL smtp_use_size = FALSE;
1316#ifdef SUPPORT_I18N
1317uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1318#endif
1319
1320#ifdef WITH_CONTENT_SCAN
1321uschar *spamd_address = US"127.0.0.1 783";
1322uschar *spam_bar = NULL;
1323uschar *spam_report = NULL;
1324uschar *spam_action = NULL;
1325uschar *spam_score = NULL;
1326uschar *spam_score_int = NULL;
1327#endif
1328#ifdef EXPERIMENTAL_SPF
1329uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1330uschar *spf_header_comment = NULL;
1331uschar *spf_received = NULL;
1332uschar *spf_result = NULL;
1333uschar *spf_smtp_comment = NULL;
1334#endif
1335
1336BOOL split_spool_directory = FALSE;
1337uschar *spool_directory = US SPOOL_DIRECTORY
1338 "\0<--------------Space to patch spool_directory->";
1339#ifdef EXPERIMENTAL_SRS
1340uschar *srs_config = NULL;
1341uschar *srs_db_address = NULL;
1342uschar *srs_db_key = NULL;
1343int srs_hashlength = 6;
1344int srs_hashmin = -1;
1345int srs_maxage = 31;
1346uschar *srs_orig_recipient = NULL;
1347uschar *srs_orig_sender = NULL;
1348uschar *srs_recipient = NULL;
1349uschar *srs_secrets = NULL;
1350uschar *srs_status = NULL;
1351BOOL srs_usehash = TRUE;
1352BOOL srs_usetimestamp = TRUE;
1353#endif
1354BOOL strict_acl_vars = FALSE;
1355int string_datestamp_offset= -1;
1356int string_datestamp_length= 0;
1357int string_datestamp_type = -1;
1358BOOL strip_excess_angle_brackets = FALSE;
1359BOOL strip_trailing_dot = FALSE;
1360uschar *submission_domain = NULL;
1361BOOL submission_mode = FALSE;
1362uschar *submission_name = NULL;
1363BOOL suppress_local_fixups = FALSE;
1364BOOL suppress_local_fixups_default = FALSE;
1365BOOL synchronous_delivery = FALSE;
1366BOOL syslog_duplication = TRUE;
1367int syslog_facility = LOG_MAIL;
1368uschar *syslog_processname = US"exim";
1369BOOL syslog_timestamp = TRUE;
1370uschar *system_filter = NULL;
1371
1372uschar *system_filter_directory_transport = NULL;
1373uschar *system_filter_file_transport = NULL;
1374uschar *system_filter_pipe_transport = NULL;
1375uschar *system_filter_reply_transport = NULL;
1376
1377gid_t system_filter_gid = 0;
1378BOOL system_filter_gid_set = FALSE;
1379uid_t system_filter_uid = (uid_t)-1;
1380BOOL system_filter_uid_set = FALSE;
1381BOOL system_filtering = FALSE;
1382
1383BOOL tcp_nodelay = TRUE;
1384#ifdef USE_TCP_WRAPPERS
1385uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1386#endif
1387int test_harness_load_avg = 0;
1388int thismessage_size_limit = 0;
1389int timeout_frozen_after = 0;
1390BOOL timestamps_utc = FALSE;
1391
1392transport_instance *transports = NULL;
1393
1394transport_instance transport_defaults = {
1395 NULL, /* chain pointer */
1396 NULL, /* name */
1397 NULL, /* info */
1398 NULL, /* private options block pointer */
1399 NULL, /* driver name */
1400 NULL, /* setup entry point */
1401 1, /* batch_max */
1402 NULL, /* batch_id */
1403 NULL, /* home_dir */
1404 NULL, /* current_dir */
1405 NULL, /* expand-multi-domain */
1406 TRUE, /* multi-domain */
1407 FALSE, /* overrides_hosts */
1408 100, /* max_addresses */
1409 500, /* connection_max_messages */
1410 FALSE, /* deliver_as_creator */
1411 FALSE, /* disable_logging */
1412 FALSE, /* initgroups */
1413 FALSE, /* uid_set */
1414 FALSE, /* gid_set */
1415 (uid_t)(-1), /* uid */
1416 (gid_t)(-1), /* gid */
1417 NULL, /* expand_uid */
1418 NULL, /* expand_gid */
1419 NULL, /* warn_message */
1420 NULL, /* shadow */
1421 NULL, /* shadow_condition */
1422 NULL, /* filter_command */
1423 NULL, /* add_headers */
1424 NULL, /* remove_headers */
1425 NULL, /* return_path */
1426 NULL, /* debug_string */
1427 NULL, /* max_parallel */
1428 NULL, /* message_size_limit */
1429 NULL, /* headers_rewrite */
1430 NULL, /* rewrite_rules */
1431 0, /* rewrite_existflags */
1432 300, /* filter_timeout */
1433 FALSE, /* body_only */
1434 FALSE, /* delivery_date_add */
1435 FALSE, /* envelope_to_add */
1436 FALSE, /* headers_only */
1437 FALSE, /* rcpt_include_affixes */
1438 FALSE, /* return_path_add */
1439 FALSE, /* return_output */
1440 FALSE, /* return_fail_output */
1441 FALSE, /* log_output */
1442 FALSE, /* log_fail_output */
1443 FALSE, /* log_defer_output */
1444 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1445 1 nor 0 so can detect unset */
1446#ifndef DISABLE_EVENT
1447 ,NULL /* event_action */
1448#endif
1449};
1450
1451int transport_count;
1452uschar *transport_name = NULL;
1453int transport_newlines;
1454const uschar **transport_filter_argv = NULL;
1455int transport_filter_timeout;
1456BOOL transport_filter_timed_out = FALSE;
1457int transport_write_timeout= 0;
1458
1459tree_node *tree_dns_fails = NULL;
1460tree_node *tree_duplicates = NULL;
1461tree_node *tree_nonrecipients = NULL;
1462tree_node *tree_unusable = NULL;
1463
1464BOOL trusted_caller = FALSE;
1465BOOL trusted_config = TRUE;
1466gid_t *trusted_groups = NULL;
1467uid_t *trusted_users = NULL;
1468uschar *timezone_string = US TIMEZONE_DEFAULT;
1469
1470uschar *unknown_login = NULL;
1471uschar *unknown_username = NULL;
1472uschar *untrusted_set_sender = NULL;
1473
1474/* A regex for matching a "From_" line in an incoming message, in the form
1475
1476 From ph10 Fri Jan 5 12:35 GMT 1996
1477
1478which the "mail" commands send to the MTA (undocumented, of course), or in
1479the form
1480
1481 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1482
1483which is apparently used by some UUCPs, despite it not being in RFC 976.
1484Because of variations in time formats, just match up to the minutes. That
1485should be sufficient. Examples have been seen of time fields like 12:1:03,
1486so just require one digit for hours and minutes. The weekday is also absent
1487in some forms. */
1488
1489uschar *uucp_from_pattern = US
1490 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1491 "(?:" /* Non-extracting bracket */
1492 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1493 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1494 ")" /* End alternation */
1495 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1496
1497uschar *uucp_from_sender = US"$1";
1498
1499uschar *verify_mode = NULL;
1500uschar *version_copyright =
1501 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1502 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1503uschar *version_date = US"?";
1504uschar *version_cnumber = US"????";
1505uschar *version_string = US"?";
1506
1507uschar *warn_message_file = NULL;
1508int warning_count = 0;
1509uschar *warnmsg_delay = NULL;
1510uschar *warnmsg_recipients = NULL;
1511BOOL write_rejectlog = TRUE;
1512
1513
1514/* End of globals.c */
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