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Testsuite: add DANE cases for DNS secure no-TLSA lookups
[exim.git] / src / src / globals.c
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2017 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = nelem(optionlist_auths);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52BOOL opt_perl_taintmode = FALSE;
53#endif
54
55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
69uschar *eldap_default_servers = NULL;
70uschar *eldap_require_cert = NULL;
71int eldap_version = -1;
72BOOL eldap_start_tls = FALSE;
73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
87#ifdef LOOKUP_REDIS
88uschar *redis_servers = NULL;
89#endif
90
91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
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;
141uschar *dsn_advertise_hosts = NULL;
142
143#ifdef SUPPORT_TLS
144BOOL gnutls_compat_mode = FALSE;
145BOOL gnutls_allow_auto_pkcs11 = FALSE;
146uschar *openssl_options = NULL;
147const pcre *regex_STARTTLS = NULL;
148uschar *tls_advertise_hosts = US"*";
149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
155uschar *tls_dhparam = NULL;
156uschar *tls_eccurve = US"auto";
157# ifndef DISABLE_OCSP
158uschar *tls_ocsp_file = NULL;
159# endif
160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
164uschar *tls_verify_certificates= US"system";
165uschar *tls_verify_hosts = NULL;
166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
168#endif
169
170#ifndef DISABLE_PRDR
171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
176
177#ifdef SUPPORT_I18N
178const pcre *regex_UTF8 = NULL;
179#endif
180
181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
185#ifndef STAND_ALONE
186int (*lwr_receive_getc)(unsigned) = stdin_getc;
187uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189int (*receive_getc)(unsigned) = stdin_getc;
190uschar * (*receive_getbuf)(unsigned *) = NULL;
191void (*receive_get_cache)(void)= NULL;
192int (*receive_ungetc)(int) = stdin_ungetc;
193int (*receive_feof)(void) = stdin_feof;
194int (*receive_ferror)(void) = stdin_ferror;
195BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196#endif
197
198
199/* List of per-address expansion variables for clearing and saving/restoring
200when verifying one address while routing/verifying another. We have to have
201the size explicit, because it is referenced from more than one module. */
202
203const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225/* General global variables */
226
227header_line *acl_added_headers = NULL;
228tree_node *acl_anchor = NULL;
229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
232
233int acl_level = 0;
234
235uschar *acl_not_smtp = NULL;
236#ifdef WITH_CONTENT_SCAN
237uschar *acl_not_smtp_mime = NULL;
238#endif
239uschar *acl_not_smtp_start = NULL;
240uschar *acl_removed_headers = NULL;
241uschar *acl_smtp_auth = NULL;
242uschar *acl_smtp_connect = NULL;
243uschar *acl_smtp_data = NULL;
244#ifndef DISABLE_PRDR
245uschar *acl_smtp_data_prdr = US"accept";
246#endif
247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
250uschar *acl_smtp_etrn = NULL;
251uschar *acl_smtp_expn = NULL;
252uschar *acl_smtp_helo = NULL;
253uschar *acl_smtp_mail = NULL;
254uschar *acl_smtp_mailauth = NULL;
255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
258uschar *acl_smtp_notquit = NULL;
259uschar *acl_smtp_predata = NULL;
260uschar *acl_smtp_quit = NULL;
261uschar *acl_smtp_rcpt = NULL;
262uschar *acl_smtp_starttls = NULL;
263uschar *acl_smtp_vrfy = NULL;
264
265BOOL acl_temp_details = FALSE;
266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
268uschar *acl_verify_message = NULL;
269string_item *acl_warn_logged = NULL;
270
271/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
277 US"MIME",
278 US"DKIM",
279 US"DATA",
280#ifndef DISABLE_PRDR
281 US"PRDR",
282#endif
283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
290 US"non-SMTP-start",
291 US"NOTQUIT",
292 US"QUIT",
293 US"STARTTLS",
294 US"VRFY",
295 US"delivery",
296 US"unknown"
297 };
298
299uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
303 US"550", /* DKIM */
304 US"550", /* DATA */
305#ifndef DISABLE_PRDR
306 US"550", /* RCPT PRDR */
307#endif
308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
319 US"252", /* VRFY */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
322 };
323
324BOOL active_local_from_check = FALSE;
325BOOL active_local_sender_retain = FALSE;
326BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327uschar *add_environment = NULL;
328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
331 NULL, /* next */
332 NULL, /* parent */
333 NULL, /* first */
334 NULL, /* dupof */
335 NULL, /* start_router */
336 NULL, /* router */
337 NULL, /* transport */
338 NULL, /* host_list */
339 NULL, /* host_used */
340 NULL, /* fallback_hosts */
341 NULL, /* reply */
342 NULL, /* retries */
343 NULL, /* address */
344 NULL, /* unique */
345 NULL, /* cc_local_part */
346 NULL, /* lc_local_part */
347 NULL, /* local_part */
348 NULL, /* prefix */
349 NULL, /* suffix */
350 NULL, /* domain */
351 NULL, /* address_retry_key */
352 NULL, /* domain_retry_key */
353 NULL, /* current_dir */
354 NULL, /* home_dir */
355 NULL, /* message */
356 NULL, /* user_message */
357 NULL, /* onetime_parent */
358 NULL, /* pipe_expandn */
359 NULL, /* return_filename */
360 NULL, /* self_hostname */
361 NULL, /* shadow_message */
362#ifdef SUPPORT_TLS
363 NULL, /* cipher */
364 NULL, /* ourcert */
365 NULL, /* peercert */
366 NULL, /* peerdn */
367 OCSP_NOT_REQ, /* ocsp */
368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
370 NULL, /* smtp_greeting */
371 NULL, /* helo_response */
372#endif
373 NULL, /* authenticator */
374 NULL, /* auth_id */
375 NULL, /* auth_sndr */
376 NULL, /* dsn_orcpt */
377 0, /* dsn_flags */
378 0, /* dsn_aware */
379 (uid_t)(-1), /* uid */
380 (gid_t)(-1), /* gid */
381 0, /* flags */
382 { 0 }, /* domain_cache - any larger array should be zeroed */
383 { 0 }, /* localpart_cache - ditto */
384 -1, /* mode */
385 0, /* more_errno */
386 ERRNO_UNKNOWNERROR, /* basic_errno */
387 0, /* child_count */
388 -1, /* return_file */
389 SPECIAL_NONE, /* special_action */
390 DEFER, /* transport_return */
391 { /* fields that are propagated to children */
392 NULL, /* address_data */
393 NULL, /* domain_data */
394 NULL, /* localpart_data */
395 NULL, /* errors_address */
396 NULL, /* extra_headers */
397 NULL, /* remove_headers */
398#ifdef EXPERIMENTAL_SRS
399 NULL, /* srs_sender */
400#endif
401#ifdef SUPPORT_I18N
402 FALSE, /* utf8 */
403#endif
404 }
405};
406
407uschar *address_file = NULL;
408uschar *address_pipe = NULL;
409BOOL address_test_mode = FALSE;
410tree_node *addresslist_anchor = NULL;
411int addresslist_count = 0;
412gid_t *admin_groups = NULL;
413BOOL admin_user = FALSE;
414BOOL allow_auth_unadvertised= FALSE;
415BOOL allow_domain_literals = FALSE;
416BOOL allow_mx_to_ip = FALSE;
417BOOL allow_unqualified_recipient = TRUE; /* For local messages */
418BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
419BOOL allow_utf8_domains = FALSE;
420uschar *authenticated_fail_id = NULL;
421uschar *authenticated_id = NULL;
422uschar *authenticated_sender = NULL;
423BOOL authentication_failed = FALSE;
424auth_instance *auths = NULL;
425uschar *auth_advertise_hosts = US"*";
426auth_instance auth_defaults = {
427 NULL, /* chain pointer */
428 NULL, /* name */
429 NULL, /* info */
430 NULL, /* private options block pointer */
431 NULL, /* driver_name */
432 NULL, /* advertise_condition */
433 NULL, /* client_condition */
434 NULL, /* public_name */
435 NULL, /* set_id */
436 NULL, /* set_client_id */
437 NULL, /* server_mail_auth_condition */
438 NULL, /* server_debug_string */
439 NULL, /* server_condition */
440 FALSE, /* client */
441 FALSE, /* server */
442 FALSE /* advertised */
443};
444
445uschar *auth_defer_msg = US"reason not recorded";
446uschar *auth_defer_user_msg = US"";
447uschar *auth_vars[AUTH_VARS];
448int auto_thaw = 0;
449#ifdef WITH_CONTENT_SCAN
450BOOL av_failed = FALSE;
451uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
452#endif
453
454BOOL background_daemon = TRUE;
455
456#if BASE_62 == 62
457uschar *base62_chars=
458 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
459#else
460uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
461#endif
462
463uschar *bi_command = NULL;
464uschar *big_buffer = NULL;
465int big_buffer_size = BIG_BUFFER_SIZE;
466#ifdef EXPERIMENTAL_BRIGHTMAIL
467uschar *bmi_alt_location = NULL;
468uschar *bmi_base64_tracker_verdict = NULL;
469uschar *bmi_base64_verdict = NULL;
470uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
471int bmi_deliver = 1;
472int bmi_run = 0;
473uschar *bmi_verdicts = NULL;
474#endif
475int bsmtp_transaction_linecount = 0;
476int body_8bitmime = 0;
477int body_linecount = 0;
478int body_zerocount = 0;
479uschar *bounce_message_file = NULL;
480uschar *bounce_message_text = NULL;
481uschar *bounce_recipient = NULL;
482BOOL bounce_return_body = TRUE;
483int bounce_return_linesize_limit = 998;
484BOOL bounce_return_message = TRUE;
485int bounce_return_size_limit = 100*1024;
486uschar *bounce_sender_authentication = NULL;
487uschar *builtin_macros_create_trigger = NULL;
488
489uschar *callout_address = NULL;
490int callout_cache_domain_positive_expire = 7*24*60*60;
491int callout_cache_domain_negative_expire = 3*60*60;
492int callout_cache_positive_expire = 24*60*60;
493int callout_cache_negative_expire = 2*60*60;
494uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
495uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
496int check_log_inodes = 100;
497int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
498BOOL check_rfc2047_length = TRUE;
499int check_spool_inodes = 100;
500int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
501
502uschar *chunking_advertise_hosts = US"*";
503unsigned chunking_datasize = 0;
504unsigned chunking_data_left = 0;
505BOOL chunking_offered = FALSE;
506chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
507const pcre *regex_CHUNKING = NULL;
508
509uschar *client_authenticator = NULL;
510uschar *client_authenticated_id = NULL;
511uschar *client_authenticated_sender = NULL;
512int clmacro_count = 0;
513uschar *clmacros[MAX_CLMACROS];
514BOOL config_changed = FALSE;
515FILE *config_file = NULL;
516const uschar *config_filename = NULL;
517int config_lineno = 0;
518#ifdef CONFIGURE_GROUP
519gid_t config_gid = CONFIGURE_GROUP;
520#else
521gid_t config_gid = 0;
522#endif
523uschar *config_main_filelist = US CONFIGURE_FILE
524 "\0<-----------Space to patch configure_filename->";
525uschar *config_main_filename = NULL;
526uschar *config_main_directory = NULL;
527
528#ifdef CONFIGURE_OWNER
529uid_t config_uid = CONFIGURE_OWNER;
530#else
531uid_t config_uid = 0;
532#endif
533
534int connection_max_messages= -1;
535uschar *continue_proxy_cipher = NULL;
536uschar *continue_hostname = NULL;
537uschar *continue_host_address = NULL;
538BOOL continue_more = FALSE;
539int continue_sequence = 1;
540uschar *continue_transport = NULL;
541
542uschar *csa_status = NULL;
543cut_t cutthrough = {
544 FALSE, /* verify-only: normal delivery */
545 FALSE, /* delivery: when to attempt */
546 FALSE, /* on defer: spool locally */
547 FALSE, /* not a TLS conn yet */
548 -1, /* fd: open connection */
549 0, /* nrcpt: number of addresses */
550};
551
552BOOL daemon_listen = FALSE;
553uschar *daemon_smtp_port = US"smtp";
554int daemon_startup_retries = 9;
555int daemon_startup_sleep = 30;
556
557#ifdef EXPERIMENTAL_DCC
558BOOL dcc_direct_add_header = FALSE;
559uschar *dcc_header = NULL;
560uschar *dcc_result = NULL;
561uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
562uschar *dccifd_options = US"header";
563#endif
564
565BOOL debug_daemon = FALSE;
566int debug_fd = -1;
567FILE *debug_file = NULL;
568int debug_notall[] = {
569 Di_memory,
570 -1
571};
572bit_table debug_options[] = { /* must be in alphabetical order */
573 BIT_TABLE(D, acl),
574 BIT_TABLE(D, all),
575 BIT_TABLE(D, auth),
576 BIT_TABLE(D, deliver),
577 BIT_TABLE(D, dns),
578 BIT_TABLE(D, dnsbl),
579 BIT_TABLE(D, exec),
580 BIT_TABLE(D, expand),
581 BIT_TABLE(D, filter),
582 BIT_TABLE(D, hints_lookup),
583 BIT_TABLE(D, host_lookup),
584 BIT_TABLE(D, ident),
585 BIT_TABLE(D, interface),
586 BIT_TABLE(D, lists),
587 BIT_TABLE(D, load),
588 BIT_TABLE(D, local_scan),
589 BIT_TABLE(D, lookup),
590 BIT_TABLE(D, memory),
591 BIT_TABLE(D, pid),
592 BIT_TABLE(D, process_info),
593 BIT_TABLE(D, queue_run),
594 BIT_TABLE(D, receive),
595 BIT_TABLE(D, resolver),
596 BIT_TABLE(D, retry),
597 BIT_TABLE(D, rewrite),
598 BIT_TABLE(D, route),
599 BIT_TABLE(D, timestamp),
600 BIT_TABLE(D, tls),
601 BIT_TABLE(D, transport),
602 BIT_TABLE(D, uid),
603 BIT_TABLE(D, verify),
604};
605int debug_options_count = nelem(debug_options);
606
607unsigned int debug_selector = 0;
608BOOL debug_store = FALSE;
609int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
610uschar *delay_warning_condition=
611 US"${if or {"
612 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
613 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
614 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
615 "} {no}{yes}}";
616BOOL delivery_date_remove = TRUE;
617uschar *deliver_address_data = NULL;
618int deliver_datafile = -1;
619const uschar *deliver_domain = NULL;
620uschar *deliver_domain_data = NULL;
621const uschar *deliver_domain_orig = NULL;
622const uschar *deliver_domain_parent = NULL;
623BOOL deliver_drop_privilege = FALSE;
624BOOL deliver_firsttime = FALSE;
625BOOL deliver_force = FALSE;
626BOOL deliver_freeze = FALSE;
627time_t deliver_frozen_at = 0;
628uschar *deliver_home = NULL;
629const uschar *deliver_host = NULL;
630const uschar *deliver_host_address = NULL;
631int deliver_host_port = 0;
632uschar *deliver_in_buffer = NULL;
633ino_t deliver_inode = 0;
634uschar *deliver_localpart = NULL;
635uschar *deliver_localpart_data = NULL;
636uschar *deliver_localpart_orig = NULL;
637uschar *deliver_localpart_parent = NULL;
638uschar *deliver_localpart_prefix = NULL;
639uschar *deliver_localpart_suffix = NULL;
640BOOL deliver_force_thaw = FALSE;
641BOOL deliver_manual_thaw = FALSE;
642uschar *deliver_out_buffer = NULL;
643int deliver_queue_load_max = -1;
644address_item *deliver_recipients = NULL;
645uschar *deliver_selectstring = NULL;
646BOOL deliver_selectstring_regex = FALSE;
647uschar *deliver_selectstring_sender = NULL;
648BOOL deliver_selectstring_sender_regex = FALSE;
649BOOL disable_callout_flush = FALSE;
650BOOL disable_delay_flush = FALSE;
651#ifdef ENABLE_DISABLE_FSYNC
652BOOL disable_fsync = FALSE;
653#endif
654BOOL disable_ipv6 = FALSE;
655BOOL disable_logging = FALSE;
656
657#ifndef DISABLE_DKIM
658BOOL dkim_collect_input = FALSE;
659uschar *dkim_cur_signer = NULL;
660BOOL dkim_disable_verify = FALSE;
661int dkim_key_length = 0;
662uschar *dkim_signers = NULL;
663uschar *dkim_signing_domain = NULL;
664uschar *dkim_signing_selector = NULL;
665uschar *dkim_verify_signers = US"$dkim_signers";
666#endif
667#ifdef EXPERIMENTAL_DMARC
668BOOL dmarc_has_been_checked = FALSE;
669uschar *dmarc_ar_header = NULL;
670uschar *dmarc_domain_policy = NULL;
671uschar *dmarc_forensic_sender = NULL;
672uschar *dmarc_history_file = NULL;
673uschar *dmarc_status = NULL;
674uschar *dmarc_status_text = NULL;
675uschar *dmarc_tld_file = NULL;
676uschar *dmarc_used_domain = NULL;
677BOOL dmarc_disable_verify = FALSE;
678BOOL dmarc_enable_forensic = FALSE;
679#endif
680
681uschar *dns_again_means_nonexist = NULL;
682int dns_csa_search_limit = 5;
683BOOL dns_csa_use_reverse = TRUE;
684#ifdef EXPERIMENTAL_DANE
685int dns_dane_ok = -1;
686#endif
687uschar *dns_ipv4_lookup = NULL;
688int dns_retrans = 0;
689int dns_retry = 0;
690int dns_dnssec_ok = -1; /* <0 = not coerced */
691uschar *dns_trust_aa = NULL;
692int dns_use_edns0 = -1; /* <0 = not coerced */
693uschar *dnslist_domain = NULL;
694uschar *dnslist_matched = NULL;
695uschar *dnslist_text = NULL;
696uschar *dnslist_value = NULL;
697tree_node *domainlist_anchor = NULL;
698int domainlist_count = 0;
699BOOL dont_deliver = FALSE;
700BOOL dot_ends = TRUE;
701BOOL drop_cr = FALSE; /* No longer used */
702uschar *dsn_from = US DEFAULT_DSN_FROM;
703
704BOOL enable_dollar_recipients = FALSE;
705BOOL envelope_to_remove = TRUE;
706int errno_quota = ERRNO_QUOTA;
707uschar *errors_copy = NULL;
708int error_handling = ERRORS_SENDER;
709uschar *errors_reply_to = NULL;
710int errors_sender_rc = EXIT_FAILURE;
711#ifndef DISABLE_EVENT
712uschar *event_action = NULL; /* expansion for delivery events */
713uschar *event_data = NULL; /* auxiliary data variable for event */
714int event_defer_errno = 0;
715const uschar *event_name = NULL; /* event name variable */
716#endif
717
718
719gid_t exim_gid = EXIM_GID;
720BOOL exim_gid_set = TRUE; /* This gid is always set */
721uschar *exim_path = US BIN_DIRECTORY "/exim"
722 "\0<---------------Space to patch exim_path->";
723uid_t exim_uid = EXIM_UID;
724BOOL exim_uid_set = TRUE; /* This uid is always set */
725int expand_level = 0; /* Nesting depth, indent for debug */
726int expand_forbid = 0;
727int expand_nlength[EXPAND_MAXN+1];
728int expand_nmax = -1;
729uschar *expand_nstring[EXPAND_MAXN+1];
730BOOL expand_string_forcedfail = FALSE;
731uschar *expand_string_message;
732BOOL extract_addresses_remove_arguments = TRUE;
733uschar *extra_local_interfaces = NULL;
734
735int fake_response = OK;
736uschar *fake_response_text = US"Your message has been rejected but is "
737 "being kept for evaluation.\nIf it was a "
738 "legitimate message, it may still be "
739 "delivered to the target recipient(s).";
740int filter_n[FILTER_VARIABLE_COUNT];
741BOOL filter_running = FALSE;
742int filter_sn[FILTER_VARIABLE_COUNT];
743int filter_test = FTEST_NONE;
744uschar *filter_test_sfile = NULL;
745uschar *filter_test_ufile = NULL;
746uschar *filter_thisaddress = NULL;
747int finduser_retries = 0;
748uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
749uschar *freeze_tell = NULL;
750uschar *freeze_tell_config = NULL;
751uschar *fudged_queue_times = US"";
752
753uschar *gecos_name = NULL;
754uschar *gecos_pattern = NULL;
755rewrite_rule *global_rewrite_rules = NULL;
756
757uschar *headers_charset = US HEADERS_CHARSET;
758int header_insert_maxlen = 64 * 1024;
759header_line *header_last = NULL;
760header_line *header_list = NULL;
761int header_maxsize = HEADER_MAXSIZE;
762int header_line_maxsize = 0;
763
764header_name header_names[] = {
765 { US"bcc", 3, TRUE, htype_bcc },
766 { US"cc", 2, TRUE, htype_cc },
767 { US"date", 4, TRUE, htype_date },
768 { US"delivery-date", 13, FALSE, htype_delivery_date },
769 { US"envelope-to", 11, FALSE, htype_envelope_to },
770 { US"from", 4, TRUE, htype_from },
771 { US"message-id", 10, TRUE, htype_id },
772 { US"received", 8, FALSE, htype_received },
773 { US"reply-to", 8, FALSE, htype_reply_to },
774 { US"return-path", 11, FALSE, htype_return_path },
775 { US"sender", 6, TRUE, htype_sender },
776 { US"subject", 7, FALSE, htype_subject },
777 { US"to", 2, TRUE, htype_to }
778};
779
780int header_names_size = sizeof(header_names)/sizeof(header_name);
781
782BOOL header_rewritten = FALSE;
783uschar *helo_accept_junk_hosts = NULL;
784uschar *helo_allow_chars = US"";
785uschar *helo_lookup_domains = US"@ : @[]";
786uschar *helo_try_verify_hosts = NULL;
787BOOL helo_verified = FALSE;
788BOOL helo_verify_failed = FALSE;
789uschar *helo_verify_hosts = NULL;
790const uschar *hex_digits = CUS"0123456789abcdef";
791uschar *hold_domains = NULL;
792BOOL host_checking = FALSE;
793BOOL host_checking_callout = FALSE;
794uschar *host_data = NULL;
795BOOL host_find_failed_syntax= FALSE;
796uschar *host_lookup = NULL;
797BOOL host_lookup_deferred = FALSE;
798BOOL host_lookup_failed = FALSE;
799uschar *host_lookup_order = US"bydns:byaddr";
800uschar *host_lookup_msg = US"";
801int host_number = 0;
802uschar *host_number_string = NULL;
803uschar *host_reject_connection = NULL;
804tree_node *hostlist_anchor = NULL;
805int hostlist_count = 0;
806uschar *hosts_treat_as_local = NULL;
807uschar *hosts_connection_nolog = NULL;
808
809int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
810BOOL ignore_fromline_local = FALSE;
811uschar *ignore_fromline_hosts = NULL;
812BOOL inetd_wait_mode = FALSE;
813int inetd_wait_timeout = -1;
814uschar *initial_cwd = NULL;
815uschar *interface_address = NULL;
816int interface_port = -1;
817BOOL is_inetd = FALSE;
818uschar *iterate_item = NULL;
819
820int journal_fd = -1;
821
822uschar *keep_environment = NULL;
823
824int keep_malformed = 4*24*60*60; /* 4 days */
825
826uschar *eldap_dn = NULL;
827int load_average = -2;
828BOOL local_error_message = FALSE;
829BOOL local_from_check = TRUE;
830uschar *local_from_prefix = NULL;
831uschar *local_from_suffix = NULL;
832
833#if HAVE_IPV6
834uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
835#else
836uschar *local_interfaces = US"0.0.0.0";
837#endif
838
839uschar *local_scan_data = NULL;
840int local_scan_timeout = 5*60;
841BOOL local_sender_retain = FALSE;
842gid_t local_user_gid = (gid_t)(-1);
843uid_t local_user_uid = (uid_t)(-1);
844
845tree_node *localpartlist_anchor= NULL;
846int localpartlist_count = 0;
847uschar *log_buffer = NULL;
848
849int log_default[] = { /* for initializing log_selector */
850 Li_acl_warn_skipped,
851 Li_connection_reject,
852 Li_delay_delivery,
853 Li_dnslist_defer,
854 Li_etrn,
855 Li_host_lookup_failed,
856 Li_lost_incoming_connection,
857 Li_outgoing_interface, /* see d_log_interface in deliver.c */
858 Li_queue_run,
859 Li_rejected_header,
860 Li_retry_defer,
861 Li_sender_verify_fail,
862 Li_size_reject,
863 Li_skip_delivery,
864 Li_smtp_confirmation,
865 Li_tls_certificate_verified,
866 Li_tls_cipher,
867 -1
868};
869
870uschar *log_file_path = US LOG_FILE_PATH
871 "\0<--------------Space to patch log_file_path->";
872
873int log_notall[] = {
874 -1
875};
876bit_table log_options[] = { /* must be in alphabetical order */
877 BIT_TABLE(L, 8bitmime),
878 BIT_TABLE(L, acl_warn_skipped),
879 BIT_TABLE(L, address_rewrite),
880 BIT_TABLE(L, all),
881 BIT_TABLE(L, all_parents),
882 BIT_TABLE(L, arguments),
883 BIT_TABLE(L, connection_reject),
884 BIT_TABLE(L, delay_delivery),
885 BIT_TABLE(L, deliver_time),
886 BIT_TABLE(L, delivery_size),
887 BIT_TABLE(L, dnslist_defer),
888 BIT_TABLE(L, dnssec),
889 BIT_TABLE(L, etrn),
890 BIT_TABLE(L, host_lookup_failed),
891 BIT_TABLE(L, ident_timeout),
892 BIT_TABLE(L, incoming_interface),
893 BIT_TABLE(L, incoming_port),
894 BIT_TABLE(L, lost_incoming_connection),
895 BIT_TABLE(L, outgoing_interface),
896 BIT_TABLE(L, outgoing_port),
897 BIT_TABLE(L, pid),
898#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
899 BIT_TABLE(L, proxy),
900#endif
901 BIT_TABLE(L, queue_run),
902 BIT_TABLE(L, queue_time),
903 BIT_TABLE(L, queue_time_overall),
904 BIT_TABLE(L, received_recipients),
905 BIT_TABLE(L, received_sender),
906 BIT_TABLE(L, rejected_header),
907 { US"rejected_headers", Li_rejected_header },
908 BIT_TABLE(L, retry_defer),
909 BIT_TABLE(L, return_path_on_delivery),
910 BIT_TABLE(L, sender_on_delivery),
911 BIT_TABLE(L, sender_verify_fail),
912 BIT_TABLE(L, size_reject),
913 BIT_TABLE(L, skip_delivery),
914 BIT_TABLE(L, smtp_confirmation),
915 BIT_TABLE(L, smtp_connection),
916 BIT_TABLE(L, smtp_incomplete_transaction),
917 BIT_TABLE(L, smtp_mailauth),
918 BIT_TABLE(L, smtp_no_mail),
919 BIT_TABLE(L, smtp_protocol_error),
920 BIT_TABLE(L, smtp_syntax_error),
921 BIT_TABLE(L, subject),
922 BIT_TABLE(L, tls_certificate_verified),
923 BIT_TABLE(L, tls_cipher),
924 BIT_TABLE(L, tls_peerdn),
925 BIT_TABLE(L, tls_sni),
926 BIT_TABLE(L, unknown_in_list),
927};
928int log_options_count = nelem(log_options);
929
930int log_reject_target = 0;
931unsigned int log_selector[log_selector_size]; /* initialized in main() */
932uschar *log_selector_string = NULL;
933FILE *log_stderr = NULL;
934BOOL log_testing_mode = FALSE;
935BOOL log_timezone = FALSE;
936uschar *login_sender_address = NULL;
937uschar *lookup_dnssec_authenticated = NULL;
938int lookup_open_max = 25;
939uschar *lookup_value = NULL;
940
941macro_item *macros = NULL;
942macro_item *mlast = NULL;
943BOOL macros_builtin_created = FALSE;
944uschar *mailstore_basename = NULL;
945#ifdef WITH_CONTENT_SCAN
946uschar *malware_name = NULL; /* Virus Name */
947#endif
948int max_received_linelength= 0;
949int max_username_length = 0;
950int message_age = 0;
951uschar *message_body = NULL;
952uschar *message_body_end = NULL;
953BOOL message_body_newlines = FALSE;
954int message_body_size = 0;
955int message_body_visible = 500;
956int message_ended = END_NOTSTARTED;
957uschar *message_headers = NULL;
958uschar *message_id;
959uschar *message_id_domain = NULL;
960uschar *message_id_text = NULL;
961struct timeval message_id_tv = { 0, 0 };
962uschar message_id_option[MESSAGE_ID_LENGTH + 3];
963uschar *message_id_external;
964int message_linecount = 0;
965BOOL message_logs = TRUE;
966int message_size = 0;
967uschar *message_size_limit = US"50M";
968#ifdef SUPPORT_I18N
969BOOL message_smtputf8 = FALSE;
970int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
971#endif
972uschar message_subdir[2] = { 0, 0 };
973uschar *message_reference = NULL;
974
975/* MIME ACL expandables */
976#ifdef WITH_CONTENT_SCAN
977int mime_anomaly_level = 0;
978const uschar *mime_anomaly_text = NULL;
979uschar *mime_boundary = NULL;
980uschar *mime_charset = NULL;
981uschar *mime_content_description = NULL;
982uschar *mime_content_disposition = NULL;
983uschar *mime_content_id = NULL;
984unsigned int mime_content_size = 0;
985uschar *mime_content_transfer_encoding = NULL;
986uschar *mime_content_type = NULL;
987uschar *mime_decoded_filename = NULL;
988uschar *mime_filename = NULL;
989int mime_is_multipart = 0;
990int mime_is_coverletter = 0;
991int mime_is_rfc822 = 0;
992int mime_part_count = -1;
993#endif
994
995BOOL mua_wrapper = FALSE;
996
997uid_t *never_users = NULL;
998#ifdef WITH_CONTENT_SCAN
999BOOL no_mbox_unspool = FALSE;
1000#endif
1001BOOL no_multiline_responses = FALSE;
1002
1003const int on = 1; /* for setsockopt */
1004const int off = 0;
1005
1006uid_t original_euid;
1007gid_t originator_gid;
1008uschar *originator_login = NULL;
1009uschar *originator_name = NULL;
1010uid_t originator_uid;
1011uschar *override_local_interfaces = NULL;
1012uschar *override_pid_file_path = NULL;
1013
1014BOOL parse_allow_group = FALSE;
1015BOOL parse_found_group = FALSE;
1016uschar *percent_hack_domains = NULL;
1017uschar *pid_file_path = US PID_FILE_PATH
1018 "\0<--------------Space to patch pid_file_path->";
1019BOOL pipelining_enable = TRUE;
1020uschar *pipelining_advertise_hosts = US"*";
1021BOOL preserve_message_logs = FALSE;
1022uschar *primary_hostname = NULL;
1023BOOL print_topbitchars = FALSE;
1024uschar process_info[PROCESS_INFO_SIZE];
1025int process_info_len = 0;
1026uschar *process_log_path = NULL;
1027BOOL prod_requires_admin = TRUE;
1028
1029#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1030uschar *hosts_proxy = US"";
1031uschar *proxy_external_address = US"";
1032int proxy_external_port = 0;
1033uschar *proxy_local_address = US"";
1034int proxy_local_port = 0;
1035BOOL proxy_session = FALSE;
1036BOOL proxy_session_failed = FALSE;
1037#endif
1038
1039uschar *prvscheck_address = NULL;
1040uschar *prvscheck_keynum = NULL;
1041uschar *prvscheck_result = NULL;
1042
1043
1044const uschar *qualify_domain_recipient = NULL;
1045uschar *qualify_domain_sender = NULL;
1046BOOL queue_2stage = FALSE;
1047uschar *queue_domains = NULL;
1048int queue_interval = -1;
1049BOOL queue_list_requires_admin = TRUE;
1050uschar *queue_name = US"";
1051BOOL queue_only = FALSE;
1052uschar *queue_only_file = NULL;
1053int queue_only_load = -1;
1054BOOL queue_only_load_latch = TRUE;
1055BOOL queue_only_override = TRUE;
1056BOOL queue_only_policy = FALSE;
1057BOOL queue_run_first_delivery = FALSE;
1058BOOL queue_run_force = FALSE;
1059BOOL queue_run_in_order = FALSE;
1060BOOL queue_run_local = FALSE;
1061uschar *queue_run_max = US"5";
1062pid_t queue_run_pid = (pid_t)0;
1063int queue_run_pipe = -1;
1064BOOL queue_running = FALSE;
1065BOOL queue_smtp = FALSE;
1066uschar *queue_smtp_domains = NULL;
1067
1068unsigned int random_seed = 0;
1069tree_node *ratelimiters_cmd = NULL;
1070tree_node *ratelimiters_conn = NULL;
1071tree_node *ratelimiters_mail = NULL;
1072uschar *raw_active_hostname = NULL;
1073uschar *raw_sender = NULL;
1074uschar **raw_recipients = NULL;
1075int raw_recipients_count = 0;
1076
1077int rcpt_count = 0;
1078int rcpt_fail_count = 0;
1079int rcpt_defer_count = 0;
1080gid_t real_gid;
1081uid_t real_uid;
1082BOOL really_exim = TRUE;
1083BOOL receive_call_bombout = FALSE;
1084int receive_linecount = 0;
1085int receive_messagecount = 0;
1086int receive_timeout = 0;
1087int received_count = 0;
1088uschar *received_for = NULL;
1089
1090/* This is the default text for Received headers generated by Exim. The
1091date will be automatically added on the end. */
1092
1093uschar *received_header_text = US
1094 "Received: "
1095 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1096 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1097 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1098 "by $primary_hostname "
1099 "${if def:received_protocol {with $received_protocol}} "
1100 #ifdef SUPPORT_TLS
1101 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1102 #endif
1103 "(Exim $version_number)\n\t"
1104 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1105 "id $message_exim_id"
1106 "${if def:received_for {\n\tfor $received_for}}"
1107 "\0<---------------Space to patch received_header_text->";
1108
1109int received_headers_max = 30;
1110uschar *received_protocol = NULL;
1111int received_time = 0;
1112uschar *recipient_data = NULL;
1113uschar *recipient_unqualified_hosts = NULL;
1114uschar *recipient_verify_failure = NULL;
1115int recipients_count = 0;
1116BOOL recipients_discarded = FALSE;
1117recipient_item *recipients_list = NULL;
1118int recipients_list_max = 0;
1119int recipients_max = 0;
1120BOOL recipients_max_reject = FALSE;
1121const pcre *regex_AUTH = NULL;
1122const pcre *regex_check_dns_names = NULL;
1123const pcre *regex_From = NULL;
1124const pcre *regex_IGNOREQUOTA = NULL;
1125const pcre *regex_PIPELINING = NULL;
1126const pcre *regex_SIZE = NULL;
1127const pcre *regex_ismsgid = NULL;
1128const pcre *regex_smtp_code = NULL;
1129uschar *regex_vars[REGEX_VARS];
1130#ifdef WHITELIST_D_MACROS
1131const pcre *regex_whitelisted_macro = NULL;
1132#endif
1133#ifdef WITH_CONTENT_SCAN
1134uschar *regex_match_string = NULL;
1135#endif
1136int remote_delivery_count = 0;
1137int remote_max_parallel = 2;
1138uschar *remote_sort_domains = NULL;
1139int retry_data_expire = 7*24*60*60;
1140int retry_interval_max = 24*60*60;
1141int retry_maximum_timeout = 0; /* set from retry config */
1142retry_config *retries = NULL;
1143uschar *return_path = NULL;
1144BOOL return_path_remove = TRUE;
1145int rewrite_existflags = 0;
1146uschar *rfc1413_hosts = US"@[]";
1147int rfc1413_query_timeout = 0;
1148/* BOOL rfc821_domains = FALSE; <<< on the way out */
1149uid_t root_gid = ROOT_GID;
1150uid_t root_uid = ROOT_UID;
1151
1152router_instance *routers = NULL;
1153router_instance router_defaults = {
1154 NULL, /* chain pointer */
1155 NULL, /* name */
1156 NULL, /* info */
1157 NULL, /* private options block pointer */
1158 NULL, /* driver name */
1159
1160 NULL, /* address_data */
1161#ifdef EXPERIMENTAL_BRIGHTMAIL
1162 NULL, /* bmi_rule */
1163#endif
1164 NULL, /* cannot_route_message */
1165 NULL, /* condition */
1166 NULL, /* current_directory */
1167 NULL, /* debug_string */
1168 NULL, /* domains */
1169 NULL, /* errors_to */
1170 NULL, /* expand_gid */
1171 NULL, /* expand_uid */
1172 NULL, /* expand_more */
1173 NULL, /* expand_unseen */
1174 NULL, /* extra_headers */
1175 NULL, /* fallback_hosts */
1176 NULL, /* home_directory */
1177 NULL, /* ignore_target_hosts */
1178 NULL, /* local_parts */
1179 NULL, /* pass_router_name */
1180 NULL, /* prefix */
1181 NULL, /* redirect_router_name */
1182 NULL, /* remove_headers */
1183 NULL, /* require_files */
1184 NULL, /* router_home_directory */
1185 US"freeze", /* self */
1186 NULL, /* senders */
1187 NULL, /* suffix */
1188 NULL, /* translate_ip_address */
1189 NULL, /* transport_name */
1190
1191 TRUE, /* address_test */
1192#ifdef EXPERIMENTAL_BRIGHTMAIL
1193 FALSE, /* bmi_deliver_alternate */
1194 FALSE, /* bmi_deliver_default */
1195 FALSE, /* bmi_dont_deliver */
1196#endif
1197 TRUE, /* expn */
1198 FALSE, /* caseful_local_part */
1199 FALSE, /* check_local_user */
1200 FALSE, /* disable_logging */
1201 FALSE, /* fail_verify_recipient */
1202 FALSE, /* fail_verify_sender */
1203 FALSE, /* gid_set */
1204 FALSE, /* initgroups */
1205 TRUE_UNSET, /* log_as_local */
1206 TRUE, /* more */
1207 FALSE, /* pass_on_timeout */
1208 FALSE, /* prefix_optional */
1209 TRUE, /* repeat_use */
1210 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1211 FALSE, /* same_domain_copy_routing */
1212 FALSE, /* self_rewrite */
1213 FALSE, /* suffix_optional */
1214 FALSE, /* verify_only */
1215 TRUE, /* verify_recipient */
1216 TRUE, /* verify_sender */
1217 FALSE, /* uid_set */
1218 FALSE, /* unseen */
1219 FALSE, /* dsn_lasthop */
1220
1221 self_freeze, /* self_code */
1222 (uid_t)(-1), /* uid */
1223 (gid_t)(-1), /* gid */
1224
1225 NULL, /* fallback_hostlist */
1226 NULL, /* transport instance */
1227 NULL, /* pass_router */
1228 NULL, /* redirect_router */
1229
1230 { NULL, NULL }, /* dnssec_domains {require,request} */
1231};
1232
1233uschar *router_name = NULL;
1234
1235ip_address_item *running_interfaces = NULL;
1236BOOL running_in_test_harness = FALSE;
1237
1238/* This is a weird one. The following string gets patched in the binary by the
1239script that sets up a copy of Exim for running in the test harness. It seems
1240that compilers are now clever, and share constant strings if they can.
1241Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1242make use of the end of this string in order to save space. So the patching then
1243wrecks this. We defeat this optimization by adding some additional characters
1244onto the end of the string. */
1245
1246uschar *running_status = US">>>running<<<" "\0EXTRA";
1247
1248int runrc = 0;
1249
1250uschar *search_error_message = NULL;
1251BOOL search_find_defer = FALSE;
1252uschar *self_hostname = NULL;
1253uschar *sender_address = NULL;
1254unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1255uschar *sender_address_data = NULL;
1256BOOL sender_address_forced = FALSE;
1257uschar *sender_address_unrewritten = NULL;
1258uschar *sender_data = NULL;
1259unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1260uschar *sender_fullhost = NULL;
1261BOOL sender_helo_dnssec = FALSE;
1262uschar *sender_helo_name = NULL;
1263uschar **sender_host_aliases = &no_aliases;
1264uschar *sender_host_address = NULL;
1265uschar *sender_host_authenticated = NULL;
1266unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1267BOOL sender_host_dnssec = FALSE;
1268uschar *sender_host_name = NULL;
1269int sender_host_port = 0;
1270BOOL sender_host_notsocket = FALSE;
1271BOOL sender_host_unknown = FALSE;
1272uschar *sender_ident = NULL;
1273BOOL sender_local = FALSE;
1274BOOL sender_name_forced = FALSE;
1275uschar *sender_rate = NULL;
1276uschar *sender_rate_limit = NULL;
1277uschar *sender_rate_period = NULL;
1278uschar *sender_rcvhost = NULL;
1279BOOL sender_set_untrusted = FALSE;
1280uschar *sender_unqualified_hosts = NULL;
1281uschar *sender_verify_failure = NULL;
1282address_item *sender_verified_list = NULL;
1283address_item *sender_verified_failed = NULL;
1284int sender_verified_rc = -1;
1285BOOL sender_verified_responded = FALSE;
1286uschar *sending_ip_address = NULL;
1287int sending_port = -1;
1288SIGNAL_BOOL sigalrm_seen = FALSE;
1289uschar **sighup_argv = NULL;
1290int slow_lookup_log = 0; /* millisecs, zero disables */
1291int smtp_accept_count = 0;
1292BOOL smtp_accept_keepalive = TRUE;
1293int smtp_accept_max = 20;
1294int smtp_accept_max_nonmail= 10;
1295uschar *smtp_accept_max_nonmail_hosts = US"*";
1296int smtp_accept_max_per_connection = 1000;
1297uschar *smtp_accept_max_per_host = NULL;
1298int smtp_accept_queue = 0;
1299int smtp_accept_queue_per_connection = 10;
1300int smtp_accept_reserve = 0;
1301uschar *smtp_active_hostname = NULL;
1302BOOL smtp_authenticated = FALSE;
1303uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1304 "Exim $version_number $tod_full"
1305 "\0<---------------Space to patch smtp_banner->";
1306BOOL smtp_batched_input = FALSE;
1307BOOL smtp_check_spool_space = TRUE;
1308int smtp_ch_index = 0;
1309uschar *smtp_cmd_argument = NULL;
1310uschar *smtp_cmd_buffer = NULL;
1311time_t smtp_connection_start = 0;
1312uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1313int smtp_connect_backlog = 20;
1314double smtp_delay_mail = 0.0;
1315double smtp_delay_rcpt = 0.0;
1316BOOL smtp_enforce_sync = TRUE;
1317FILE *smtp_in = NULL;
1318BOOL smtp_input = FALSE;
1319int smtp_load_reserve = -1;
1320int smtp_mailcmd_count = 0;
1321FILE *smtp_out = NULL;
1322uschar *smtp_etrn_command = NULL;
1323BOOL smtp_etrn_serialize = TRUE;
1324int smtp_max_synprot_errors= 3;
1325int smtp_max_unknown_commands = 3;
1326uschar *smtp_notquit_reason = NULL;
1327uschar *smtp_ratelimit_hosts = NULL;
1328uschar *smtp_ratelimit_mail = NULL;
1329uschar *smtp_ratelimit_rcpt = NULL;
1330uschar *smtp_read_error = US"";
1331int smtp_receive_timeout = 5*60;
1332uschar *smtp_receive_timeout_s = NULL;
1333uschar *smtp_reserve_hosts = NULL;
1334BOOL smtp_return_error_details = FALSE;
1335int smtp_rlm_base = 0;
1336double smtp_rlm_factor = 0.0;
1337int smtp_rlm_limit = 0;
1338int smtp_rlm_threshold = INT_MAX;
1339int smtp_rlr_base = 0;
1340double smtp_rlr_factor = 0.0;
1341int smtp_rlr_limit = 0;
1342int smtp_rlr_threshold = INT_MAX;
1343unsigned smtp_peer_options = 0;
1344unsigned smtp_peer_options_wrap= 0;
1345#ifdef SUPPORT_I18N
1346uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1347#endif
1348
1349#ifdef WITH_CONTENT_SCAN
1350uschar *spamd_address = US"127.0.0.1 783";
1351uschar *spam_bar = NULL;
1352uschar *spam_report = NULL;
1353uschar *spam_action = NULL;
1354uschar *spam_score = NULL;
1355uschar *spam_score_int = NULL;
1356#endif
1357#ifdef EXPERIMENTAL_SPF
1358uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1359uschar *spf_header_comment = NULL;
1360uschar *spf_received = NULL;
1361uschar *spf_result = NULL;
1362uschar *spf_smtp_comment = NULL;
1363#endif
1364
1365BOOL split_spool_directory = FALSE;
1366uschar *spool_directory = US SPOOL_DIRECTORY
1367 "\0<--------------Space to patch spool_directory->";
1368BOOL spool_file_wireformat = FALSE;
1369BOOL spool_wireformat = FALSE;
1370#ifdef EXPERIMENTAL_SRS
1371uschar *srs_config = NULL;
1372uschar *srs_db_address = NULL;
1373uschar *srs_db_key = NULL;
1374int srs_hashlength = 6;
1375int srs_hashmin = -1;
1376int srs_maxage = 31;
1377uschar *srs_orig_recipient = NULL;
1378uschar *srs_orig_sender = NULL;
1379uschar *srs_recipient = NULL;
1380uschar *srs_secrets = NULL;
1381uschar *srs_status = NULL;
1382BOOL srs_usehash = TRUE;
1383BOOL srs_usetimestamp = TRUE;
1384#endif
1385BOOL strict_acl_vars = FALSE;
1386int string_datestamp_offset= -1;
1387int string_datestamp_length= 0;
1388int string_datestamp_type = -1;
1389BOOL strip_excess_angle_brackets = FALSE;
1390BOOL strip_trailing_dot = FALSE;
1391uschar *submission_domain = NULL;
1392BOOL submission_mode = FALSE;
1393uschar *submission_name = NULL;
1394BOOL suppress_local_fixups = FALSE;
1395BOOL suppress_local_fixups_default = FALSE;
1396BOOL synchronous_delivery = FALSE;
1397BOOL syslog_duplication = TRUE;
1398int syslog_facility = LOG_MAIL;
1399BOOL syslog_pid = TRUE;
1400uschar *syslog_processname = US"exim";
1401BOOL syslog_timestamp = TRUE;
1402uschar *system_filter = NULL;
1403
1404uschar *system_filter_directory_transport = NULL;
1405uschar *system_filter_file_transport = NULL;
1406uschar *system_filter_pipe_transport = NULL;
1407uschar *system_filter_reply_transport = NULL;
1408
1409gid_t system_filter_gid = 0;
1410BOOL system_filter_gid_set = FALSE;
1411uid_t system_filter_uid = (uid_t)-1;
1412BOOL system_filter_uid_set = FALSE;
1413BOOL system_filtering = FALSE;
1414
1415BOOL tcp_fastopen_ok = FALSE;
1416BOOL tcp_nodelay = TRUE;
1417#ifdef USE_TCP_WRAPPERS
1418uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1419#endif
1420int test_harness_load_avg = 0;
1421int thismessage_size_limit = 0;
1422int timeout_frozen_after = 0;
1423BOOL timestamps_utc = FALSE;
1424
1425transport_instance *transports = NULL;
1426
1427transport_instance transport_defaults = {
1428 NULL, /* chain pointer */
1429 NULL, /* name */
1430 NULL, /* info */
1431 NULL, /* private options block pointer */
1432 NULL, /* driver name */
1433 NULL, /* setup entry point */
1434 1, /* batch_max */
1435 NULL, /* batch_id */
1436 NULL, /* home_dir */
1437 NULL, /* current_dir */
1438 NULL, /* expand-multi-domain */
1439 TRUE, /* multi-domain */
1440 FALSE, /* overrides_hosts */
1441 100, /* max_addresses */
1442 500, /* connection_max_messages */
1443 FALSE, /* deliver_as_creator */
1444 FALSE, /* disable_logging */
1445 FALSE, /* initgroups */
1446 FALSE, /* uid_set */
1447 FALSE, /* gid_set */
1448 (uid_t)(-1), /* uid */
1449 (gid_t)(-1), /* gid */
1450 NULL, /* expand_uid */
1451 NULL, /* expand_gid */
1452 NULL, /* warn_message */
1453 NULL, /* shadow */
1454 NULL, /* shadow_condition */
1455 NULL, /* filter_command */
1456 NULL, /* add_headers */
1457 NULL, /* remove_headers */
1458 NULL, /* return_path */
1459 NULL, /* debug_string */
1460 NULL, /* max_parallel */
1461 NULL, /* message_size_limit */
1462 NULL, /* headers_rewrite */
1463 NULL, /* rewrite_rules */
1464 0, /* rewrite_existflags */
1465 300, /* filter_timeout */
1466 FALSE, /* body_only */
1467 FALSE, /* delivery_date_add */
1468 FALSE, /* envelope_to_add */
1469 FALSE, /* headers_only */
1470 FALSE, /* rcpt_include_affixes */
1471 FALSE, /* return_path_add */
1472 FALSE, /* return_output */
1473 FALSE, /* return_fail_output */
1474 FALSE, /* log_output */
1475 FALSE, /* log_fail_output */
1476 FALSE, /* log_defer_output */
1477 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1478 1 nor 0 so can detect unset */
1479#ifndef DISABLE_EVENT
1480 ,NULL /* event_action */
1481#endif
1482};
1483
1484int transport_count;
1485uschar *transport_name = NULL;
1486int transport_newlines;
1487const uschar **transport_filter_argv = NULL;
1488int transport_filter_timeout;
1489BOOL transport_filter_timed_out = FALSE;
1490int transport_write_timeout= 0;
1491
1492tree_node *tree_dns_fails = NULL;
1493tree_node *tree_duplicates = NULL;
1494tree_node *tree_nonrecipients = NULL;
1495tree_node *tree_unusable = NULL;
1496
1497BOOL trusted_caller = FALSE;
1498BOOL trusted_config = TRUE;
1499gid_t *trusted_groups = NULL;
1500uid_t *trusted_users = NULL;
1501uschar *timezone_string = US TIMEZONE_DEFAULT;
1502
1503uschar *unknown_login = NULL;
1504uschar *unknown_username = NULL;
1505uschar *untrusted_set_sender = NULL;
1506
1507/* A regex for matching a "From_" line in an incoming message, in the form
1508
1509 From ph10 Fri Jan 5 12:35 GMT 1996
1510
1511which the "mail" commands send to the MTA (undocumented, of course), or in
1512the form
1513
1514 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1515
1516which is apparently used by some UUCPs, despite it not being in RFC 976.
1517Because of variations in time formats, just match up to the minutes. That
1518should be sufficient. Examples have been seen of time fields like 12:1:03,
1519so just require one digit for hours and minutes. The weekday is also absent
1520in some forms. */
1521
1522uschar *uucp_from_pattern = US
1523 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1524 "(?:" /* Non-extracting bracket */
1525 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1526 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1527 ")" /* End alternation */
1528 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1529
1530uschar *uucp_from_sender = US"$1";
1531
1532uschar *verify_mode = NULL;
1533uschar *version_copyright =
1534 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1535 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1536uschar *version_date = US"?";
1537uschar *version_cnumber = US"????";
1538uschar *version_string = US"?";
1539
1540uschar *warn_message_file = NULL;
1541int warning_count = 0;
1542uschar *warnmsg_delay = NULL;
1543uschar *warnmsg_recipients = NULL;
1544BOOL write_rejectlog = TRUE;
1545
1546
1547/* End of globals.c */
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