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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 *gnutls_require_mac = NULL;
148uschar *gnutls_require_kx = NULL;
149uschar *gnutls_require_proto = NULL;
150uschar *openssl_options = NULL;
151const pcre *regex_STARTTLS = NULL;
152uschar *tls_advertise_hosts = US"*";
153uschar *tls_certificate = NULL;
154uschar *tls_crl = NULL;
155/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
156that's the interop problem which has been observed: GnuTLS suggesting a higher
157bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
158int tls_dh_max_bits = 2236;
159uschar *tls_dhparam = NULL;
160uschar *tls_eccurve = US"prime256v1";
161# ifndef DISABLE_OCSP
162uschar *tls_ocsp_file = NULL;
163# endif
164BOOL tls_offered = FALSE;
165uschar *tls_privatekey = NULL;
166BOOL tls_remember_esmtp = FALSE;
167uschar *tls_require_ciphers = NULL;
168uschar *tls_try_verify_hosts = NULL;
169uschar *tls_verify_certificates= US"system";
170uschar *tls_verify_hosts = NULL;
171#else /*!SUPPORT_TLS*/
172uschar *tls_advertise_hosts = NULL;
173#endif
174
175#ifndef DISABLE_PRDR
176/* Per Recipient Data Response variables */
177BOOL prdr_enable = FALSE;
178BOOL prdr_requested = FALSE;
179const pcre *regex_PRDR = NULL;
180#endif
181
182#ifdef SUPPORT_I18N
183const pcre *regex_UTF8 = NULL;
184#endif
185
186/* Input-reading functions for messages, so we can use special ones for
187incoming TCP/IP. The defaults use stdin. We never need these for any
188stand-alone tests. */
189
190#ifndef STAND_ALONE
191int (*receive_getc)(void) = stdin_getc;
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
233uschar *acl_not_smtp = NULL;
234#ifdef WITH_CONTENT_SCAN
235uschar *acl_not_smtp_mime = NULL;
236#endif
237uschar *acl_not_smtp_start = NULL;
238uschar *acl_removed_headers = NULL;
239uschar *acl_smtp_auth = NULL;
240uschar *acl_smtp_connect = NULL;
241uschar *acl_smtp_data = NULL;
242#ifndef DISABLE_PRDR
243uschar *acl_smtp_data_prdr = US"accept";
244#endif
245#ifndef DISABLE_DKIM
246uschar *acl_smtp_dkim = NULL;
247#endif
248uschar *acl_smtp_etrn = NULL;
249uschar *acl_smtp_expn = NULL;
250uschar *acl_smtp_helo = NULL;
251uschar *acl_smtp_mail = NULL;
252uschar *acl_smtp_mailauth = NULL;
253#ifdef WITH_CONTENT_SCAN
254uschar *acl_smtp_mime = NULL;
255#endif
256uschar *acl_smtp_notquit = NULL;
257uschar *acl_smtp_predata = NULL;
258uschar *acl_smtp_quit = NULL;
259uschar *acl_smtp_rcpt = NULL;
260uschar *acl_smtp_starttls = NULL;
261uschar *acl_smtp_vrfy = NULL;
262
263BOOL acl_temp_details = FALSE;
264tree_node *acl_var_c = NULL;
265tree_node *acl_var_m = NULL;
266uschar *acl_verify_message = NULL;
267string_item *acl_warn_logged = NULL;
268
269/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
270error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
271
272uschar *acl_wherenames[] = { US"RCPT",
273 US"MAIL",
274 US"PREDATA",
275 US"MIME",
276 US"DKIM",
277 US"DATA",
278#ifndef DISABLE_PRDR
279 US"PRDR",
280#endif
281 US"non-SMTP",
282 US"AUTH",
283 US"connection",
284 US"ETRN",
285 US"EXPN",
286 US"EHLO or HELO",
287 US"MAILAUTH",
288 US"non-SMTP-start",
289 US"NOTQUIT",
290 US"QUIT",
291 US"STARTTLS",
292 US"VRFY",
293 US"delivery",
294 US"unknown"
295 };
296
297uschar *acl_wherecodes[] = { US"550", /* RCPT */
298 US"550", /* MAIL */
299 US"550", /* PREDATA */
300 US"550", /* MIME */
301 US"550", /* DKIM */
302 US"550", /* DATA */
303#ifndef DISABLE_PRDR
304 US"550", /* RCPT PRDR */
305#endif
306 US"0", /* not SMTP; not relevant */
307 US"503", /* AUTH */
308 US"550", /* connect */
309 US"458", /* ETRN */
310 US"550", /* EXPN */
311 US"550", /* HELO/EHLO */
312 US"0", /* MAILAUTH; not relevant */
313 US"0", /* not SMTP; not relevant */
314 US"0", /* NOTQUIT; not relevant */
315 US"0", /* QUIT; not relevant */
316 US"550", /* STARTTLS */
317 US"252", /* VRFY */
318 US"0", /* delivery; not relevant */
319 US"0" /* unknown; not relevant */
320 };
321
322BOOL active_local_from_check = FALSE;
323BOOL active_local_sender_retain = FALSE;
324BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
325uschar *add_environment = NULL;
326address_item *addr_duplicate = NULL;
327
328address_item address_defaults = {
329 NULL, /* next */
330 NULL, /* parent */
331 NULL, /* first */
332 NULL, /* dupof */
333 NULL, /* start_router */
334 NULL, /* router */
335 NULL, /* transport */
336 NULL, /* host_list */
337 NULL, /* host_used */
338 NULL, /* fallback_hosts */
339 NULL, /* reply */
340 NULL, /* retries */
341 NULL, /* address */
342 NULL, /* unique */
343 NULL, /* cc_local_part */
344 NULL, /* lc_local_part */
345 NULL, /* local_part */
346 NULL, /* prefix */
347 NULL, /* suffix */
348 NULL, /* domain */
349 NULL, /* address_retry_key */
350 NULL, /* domain_retry_key */
351 NULL, /* current_dir */
352 NULL, /* home_dir */
353 NULL, /* message */
354 NULL, /* user_message */
355 NULL, /* onetime_parent */
356 NULL, /* pipe_expandn */
357 NULL, /* return_filename */
358 NULL, /* self_hostname */
359 NULL, /* shadow_message */
360#ifdef SUPPORT_TLS
361 NULL, /* cipher */
362 NULL, /* ourcert */
363 NULL, /* peercert */
364 NULL, /* peerdn */
365 OCSP_NOT_REQ, /* ocsp */
366#endif
367#ifdef EXPERIMENTAL_DSN_INFO
368 NULL, /* smtp_greeting */
369 NULL, /* helo_response */
370#endif
371 NULL, /* authenticator */
372 NULL, /* auth_id */
373 NULL, /* auth_sndr */
374 NULL, /* dsn_orcpt */
375 0, /* dsn_flags */
376 0, /* dsn_aware */
377 (uid_t)(-1), /* uid */
378 (gid_t)(-1), /* gid */
379 0, /* flags */
380 { 0 }, /* domain_cache - any larger array should be zeroed */
381 { 0 }, /* localpart_cache - ditto */
382 -1, /* mode */
383 0, /* more_errno */
384 ERRNO_UNKNOWNERROR, /* basic_errno */
385 0, /* child_count */
386 -1, /* return_file */
387 SPECIAL_NONE, /* special_action */
388 DEFER, /* transport_return */
389 { /* fields that are propagated to children */
390 NULL, /* address_data */
391 NULL, /* domain_data */
392 NULL, /* localpart_data */
393 NULL, /* errors_address */
394 NULL, /* extra_headers */
395 NULL, /* remove_headers */
396#ifdef EXPERIMENTAL_SRS
397 NULL, /* srs_sender */
398#endif
399#ifdef SUPPORT_I18N
400 FALSE, /* utf8 */
401#endif
402 }
403};
404
405uschar *address_file = NULL;
406uschar *address_pipe = NULL;
407BOOL address_test_mode = FALSE;
408tree_node *addresslist_anchor = NULL;
409int addresslist_count = 0;
410gid_t *admin_groups = NULL;
411BOOL admin_user = FALSE;
412BOOL allow_auth_unadvertised= FALSE;
413BOOL allow_domain_literals = FALSE;
414BOOL allow_mx_to_ip = FALSE;
415BOOL allow_unqualified_recipient = TRUE; /* For local messages */
416BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
417BOOL allow_utf8_domains = FALSE;
418uschar *authenticated_fail_id = NULL;
419uschar *authenticated_id = NULL;
420uschar *authenticated_sender = NULL;
421BOOL authentication_failed = FALSE;
422auth_instance *auths = NULL;
423uschar *auth_advertise_hosts = US"*";
424auth_instance auth_defaults = {
425 NULL, /* chain pointer */
426 NULL, /* name */
427 NULL, /* info */
428 NULL, /* private options block pointer */
429 NULL, /* driver_name */
430 NULL, /* advertise_condition */
431 NULL, /* client_condition */
432 NULL, /* public_name */
433 NULL, /* set_id */
434 NULL, /* set_client_id */
435 NULL, /* server_mail_auth_condition */
436 NULL, /* server_debug_string */
437 NULL, /* server_condition */
438 FALSE, /* client */
439 FALSE, /* server */
440 FALSE /* advertised */
441};
442
443uschar *auth_defer_msg = US"reason not recorded";
444uschar *auth_defer_user_msg = US"";
445uschar *auth_vars[AUTH_VARS];
446int auto_thaw = 0;
447#ifdef WITH_CONTENT_SCAN
448BOOL av_failed = FALSE;
449uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
450#endif
451
452BOOL background_daemon = TRUE;
453
454#if BASE_62 == 62
455uschar *base62_chars=
456 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
457#else
458uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
459#endif
460
461uschar *bi_command = NULL;
462uschar *big_buffer = NULL;
463int big_buffer_size = BIG_BUFFER_SIZE;
464#ifdef EXPERIMENTAL_BRIGHTMAIL
465uschar *bmi_alt_location = NULL;
466uschar *bmi_base64_tracker_verdict = NULL;
467uschar *bmi_base64_verdict = NULL;
468uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
469int bmi_deliver = 1;
470int bmi_run = 0;
471uschar *bmi_verdicts = NULL;
472#endif
473int body_8bitmime = 0;
474int body_linecount = 0;
475int body_zerocount = 0;
476uschar *bounce_message_file = NULL;
477uschar *bounce_message_text = NULL;
478uschar *bounce_recipient = NULL;
479BOOL bounce_return_body = TRUE;
480int bounce_return_linesize_limit = 998;
481BOOL bounce_return_message = TRUE;
482int bounce_return_size_limit = 100*1024;
483uschar *bounce_sender_authentication = NULL;
484int bsmtp_transaction_linecount = 0;
485
486uschar *callout_address = NULL;
487int callout_cache_domain_positive_expire = 7*24*60*60;
488int callout_cache_domain_negative_expire = 3*60*60;
489int callout_cache_positive_expire = 24*60*60;
490int callout_cache_negative_expire = 2*60*60;
491uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
492uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
493int check_log_inodes = 0;
494int check_log_space = 0;
495BOOL check_rfc2047_length = TRUE;
496int check_spool_inodes = 0;
497int check_spool_space = 0;
498uschar *client_authenticator = NULL;
499uschar *client_authenticated_id = NULL;
500uschar *client_authenticated_sender = NULL;
501int clmacro_count = 0;
502uschar *clmacros[MAX_CLMACROS];
503BOOL config_changed = FALSE;
504FILE *config_file = NULL;
505uschar *config_filename = NULL;
506int config_lineno = 0;
507#ifdef CONFIGURE_GROUP
508gid_t config_gid = CONFIGURE_GROUP;
509#endif
510uschar *config_main_filelist = US CONFIGURE_FILE
511 "\0<-----------Space to patch configure_filename->";
512uschar *config_main_filename = NULL;
513uschar *config_main_directory = NULL;
514
515#ifdef CONFIGURE_OWNER
516uid_t config_uid = CONFIGURE_OWNER;
517#endif
518
519int connection_max_messages= -1;
520uschar *continue_hostname = NULL;
521uschar *continue_host_address = NULL;
522BOOL continue_more = FALSE;
523int continue_sequence = 1;
524uschar *continue_transport = NULL;
525
526uschar *csa_status = NULL;
527cut_t cutthrough = {
528 FALSE, /* delivery: when to attempt */
529 -1, /* fd: open connection */
530 0, /* nrcpt: number of addresses */
531};
532
533BOOL daemon_listen = FALSE;
534uschar *daemon_smtp_port = US"smtp";
535int daemon_startup_retries = 9;
536int daemon_startup_sleep = 30;
537
538#ifdef EXPERIMENTAL_DCC
539BOOL dcc_direct_add_header = FALSE;
540uschar *dcc_header = NULL;
541uschar *dcc_result = NULL;
542uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
543uschar *dccifd_options = US"header";
544#endif
545
546BOOL debug_daemon = FALSE;
547int debug_fd = -1;
548FILE *debug_file = NULL;
549int debug_notall[] = {
550 Di_memory,
551 -1
552};
553bit_table debug_options[] = { /* must be in alphabetical order */
554 BIT_TABLE(D, acl),
555 BIT_TABLE(D, all),
556 BIT_TABLE(D, auth),
557 BIT_TABLE(D, deliver),
558 BIT_TABLE(D, dns),
559 BIT_TABLE(D, dnsbl),
560 BIT_TABLE(D, exec),
561 BIT_TABLE(D, expand),
562 BIT_TABLE(D, filter),
563 BIT_TABLE(D, hints_lookup),
564 BIT_TABLE(D, host_lookup),
565 BIT_TABLE(D, ident),
566 BIT_TABLE(D, interface),
567 BIT_TABLE(D, lists),
568 BIT_TABLE(D, load),
569 BIT_TABLE(D, local_scan),
570 BIT_TABLE(D, lookup),
571 BIT_TABLE(D, memory),
572 BIT_TABLE(D, pid),
573 BIT_TABLE(D, process_info),
574 BIT_TABLE(D, queue_run),
575 BIT_TABLE(D, receive),
576 BIT_TABLE(D, resolver),
577 BIT_TABLE(D, retry),
578 BIT_TABLE(D, rewrite),
579 BIT_TABLE(D, route),
580 BIT_TABLE(D, timestamp),
581 BIT_TABLE(D, tls),
582 BIT_TABLE(D, transport),
583 BIT_TABLE(D, uid),
584 BIT_TABLE(D, verify),
585};
586int debug_options_count = nelem(debug_options);
587
588unsigned int debug_selector = 0;
589int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
590uschar *delay_warning_condition=
591 US"${if or {"
592 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
593 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
594 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
595 "} {no}{yes}}";
596BOOL delivery_date_remove = TRUE;
597uschar *deliver_address_data = NULL;
598int deliver_datafile = -1;
599const uschar *deliver_domain = NULL;
600uschar *deliver_domain_data = NULL;
601const uschar *deliver_domain_orig = NULL;
602const uschar *deliver_domain_parent = NULL;
603BOOL deliver_drop_privilege = FALSE;
604BOOL deliver_firsttime = FALSE;
605BOOL deliver_force = FALSE;
606BOOL deliver_freeze = FALSE;
607time_t deliver_frozen_at = 0;
608uschar *deliver_home = NULL;
609const uschar *deliver_host = NULL;
610const uschar *deliver_host_address = NULL;
611int deliver_host_port = 0;
612uschar *deliver_in_buffer = NULL;
613ino_t deliver_inode = 0;
614uschar *deliver_localpart = NULL;
615uschar *deliver_localpart_data = NULL;
616uschar *deliver_localpart_orig = NULL;
617uschar *deliver_localpart_parent = NULL;
618uschar *deliver_localpart_prefix = NULL;
619uschar *deliver_localpart_suffix = NULL;
620BOOL deliver_force_thaw = FALSE;
621BOOL deliver_manual_thaw = FALSE;
622uschar *deliver_out_buffer = NULL;
623int deliver_queue_load_max = -1;
624address_item *deliver_recipients = NULL;
625uschar *deliver_selectstring = NULL;
626BOOL deliver_selectstring_regex = FALSE;
627uschar *deliver_selectstring_sender = NULL;
628BOOL deliver_selectstring_sender_regex = FALSE;
629BOOL disable_callout_flush = FALSE;
630BOOL disable_delay_flush = FALSE;
631#ifdef ENABLE_DISABLE_FSYNC
632BOOL disable_fsync = FALSE;
633#endif
634BOOL disable_ipv6 = FALSE;
635BOOL disable_logging = FALSE;
636
637#ifndef DISABLE_DKIM
638BOOL dkim_collect_input = FALSE;
639uschar *dkim_cur_signer = NULL;
640BOOL dkim_disable_verify = FALSE;
641int dkim_key_length = 0;
642uschar *dkim_signers = NULL;
643uschar *dkim_signing_domain = NULL;
644uschar *dkim_signing_selector = NULL;
645uschar *dkim_verify_signers = US"$dkim_signers";
646#endif
647#ifdef EXPERIMENTAL_DMARC
648BOOL dmarc_has_been_checked = FALSE;
649uschar *dmarc_ar_header = NULL;
650uschar *dmarc_domain_policy = NULL;
651uschar *dmarc_forensic_sender = NULL;
652uschar *dmarc_history_file = NULL;
653uschar *dmarc_status = NULL;
654uschar *dmarc_status_text = NULL;
655uschar *dmarc_tld_file = NULL;
656uschar *dmarc_used_domain = NULL;
657BOOL dmarc_disable_verify = FALSE;
658BOOL dmarc_enable_forensic = FALSE;
659#endif
660
661uschar *dns_again_means_nonexist = NULL;
662int dns_csa_search_limit = 5;
663BOOL dns_csa_use_reverse = TRUE;
664#ifdef EXPERIMENTAL_DANE
665int dns_dane_ok = -1;
666#endif
667uschar *dns_ipv4_lookup = NULL;
668int dns_retrans = 0;
669int dns_retry = 0;
670int dns_dnssec_ok = -1; /* <0 = not coerced */
671uschar *dns_trust_aa = NULL;
672int dns_use_edns0 = -1; /* <0 = not coerced */
673uschar *dnslist_domain = NULL;
674uschar *dnslist_matched = NULL;
675uschar *dnslist_text = NULL;
676uschar *dnslist_value = NULL;
677tree_node *domainlist_anchor = NULL;
678int domainlist_count = 0;
679BOOL dont_deliver = FALSE;
680BOOL dot_ends = TRUE;
681BOOL drop_cr = FALSE; /* No longer used */
682uschar *dsn_from = US DEFAULT_DSN_FROM;
683
684BOOL enable_dollar_recipients = FALSE;
685BOOL envelope_to_remove = TRUE;
686int errno_quota = ERRNO_QUOTA;
687uschar *errors_copy = NULL;
688int error_handling = ERRORS_SENDER;
689uschar *errors_reply_to = NULL;
690int errors_sender_rc = EXIT_FAILURE;
691#ifndef DISABLE_EVENT
692uschar *event_action = NULL; /* expansion for delivery events */
693uschar *event_data = NULL; /* auxilary data variable for event */
694int event_defer_errno = 0;
695const uschar *event_name = NULL; /* event name variable */
696#endif
697
698
699gid_t exim_gid = EXIM_GID;
700BOOL exim_gid_set = TRUE; /* This gid is always set */
701uschar *exim_path = US BIN_DIRECTORY "/exim"
702 "\0<---------------Space to patch exim_path->";
703uid_t exim_uid = EXIM_UID;
704BOOL exim_uid_set = TRUE; /* This uid is always set */
705int expand_forbid = 0;
706int expand_nlength[EXPAND_MAXN+1];
707int expand_nmax = -1;
708uschar *expand_nstring[EXPAND_MAXN+1];
709BOOL expand_string_forcedfail = FALSE;
710uschar *expand_string_message;
711BOOL extract_addresses_remove_arguments = TRUE;
712uschar *extra_local_interfaces = NULL;
713
714int fake_response = OK;
715uschar *fake_response_text = US"Your message has been rejected but is "
716 "being kept for evaluation.\nIf it was a "
717 "legitimate message, it may still be "
718 "delivered to the target recipient(s).";
719int filter_n[FILTER_VARIABLE_COUNT];
720BOOL filter_running = FALSE;
721int filter_sn[FILTER_VARIABLE_COUNT];
722int filter_test = FTEST_NONE;
723uschar *filter_test_sfile = NULL;
724uschar *filter_test_ufile = NULL;
725uschar *filter_thisaddress = NULL;
726int finduser_retries = 0;
727uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
728uschar *freeze_tell = NULL;
729uschar *freeze_tell_config = NULL;
730uschar *fudged_queue_times = US"";
731
732uschar *gecos_name = NULL;
733uschar *gecos_pattern = NULL;
734rewrite_rule *global_rewrite_rules = NULL;
735
736uschar *headers_charset = US HEADERS_CHARSET;
737int header_insert_maxlen = 64 * 1024;
738header_line *header_last = NULL;
739header_line *header_list = NULL;
740int header_maxsize = HEADER_MAXSIZE;
741int header_line_maxsize = 0;
742
743header_name header_names[] = {
744 { US"bcc", 3, TRUE, htype_bcc },
745 { US"cc", 2, TRUE, htype_cc },
746 { US"date", 4, TRUE, htype_date },
747 { US"delivery-date", 13, FALSE, htype_delivery_date },
748 { US"envelope-to", 11, FALSE, htype_envelope_to },
749 { US"from", 4, TRUE, htype_from },
750 { US"message-id", 10, TRUE, htype_id },
751 { US"received", 8, FALSE, htype_received },
752 { US"reply-to", 8, FALSE, htype_reply_to },
753 { US"return-path", 11, FALSE, htype_return_path },
754 { US"sender", 6, TRUE, htype_sender },
755 { US"subject", 7, FALSE, htype_subject },
756 { US"to", 2, TRUE, htype_to }
757};
758
759int header_names_size = sizeof(header_names)/sizeof(header_name);
760
761BOOL header_rewritten = FALSE;
762uschar *helo_accept_junk_hosts = NULL;
763uschar *helo_allow_chars = US"";
764uschar *helo_lookup_domains = US"@ : @[]";
765uschar *helo_try_verify_hosts = NULL;
766BOOL helo_verified = FALSE;
767BOOL helo_verify_failed = FALSE;
768uschar *helo_verify_hosts = NULL;
769const uschar *hex_digits = CUS"0123456789abcdef";
770uschar *hold_domains = NULL;
771BOOL host_checking = FALSE;
772BOOL host_checking_callout = FALSE;
773uschar *host_data = NULL;
774BOOL host_find_failed_syntax= FALSE;
775uschar *host_lookup = NULL;
776BOOL host_lookup_deferred = FALSE;
777BOOL host_lookup_failed = FALSE;
778uschar *host_lookup_order = US"bydns:byaddr";
779uschar *host_lookup_msg = US"";
780int host_number = 0;
781uschar *host_number_string = NULL;
782uschar *host_reject_connection = NULL;
783tree_node *hostlist_anchor = NULL;
784int hostlist_count = 0;
785uschar *hosts_treat_as_local = NULL;
786uschar *hosts_connection_nolog = NULL;
787
788int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
789BOOL ignore_fromline_local = FALSE;
790uschar *ignore_fromline_hosts = NULL;
791BOOL inetd_wait_mode = FALSE;
792int inetd_wait_timeout = -1;
793uschar *initial_cwd = NULL;
794uschar *interface_address = NULL;
795int interface_port = -1;
796BOOL is_inetd = FALSE;
797uschar *iterate_item = NULL;
798
799int journal_fd = -1;
800
801uschar *keep_environment = NULL;
802
803int keep_malformed = 4*24*60*60; /* 4 days */
804
805uschar *eldap_dn = NULL;
806int load_average = -2;
807BOOL local_error_message = FALSE;
808BOOL local_from_check = TRUE;
809uschar *local_from_prefix = NULL;
810uschar *local_from_suffix = NULL;
811
812#if HAVE_IPV6
813uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
814#else
815uschar *local_interfaces = US"0.0.0.0";
816#endif
817
818uschar *local_scan_data = NULL;
819int local_scan_timeout = 5*60;
820BOOL local_sender_retain = FALSE;
821gid_t local_user_gid = (gid_t)(-1);
822uid_t local_user_uid = (uid_t)(-1);
823
824tree_node *localpartlist_anchor= NULL;
825int localpartlist_count = 0;
826uschar *log_buffer = NULL;
827
828int log_default[] = { /* for initializing log_selector */
829 Li_acl_warn_skipped,
830 Li_connection_reject,
831 Li_delay_delivery,
832 Li_dnslist_defer,
833 Li_etrn,
834 Li_host_lookup_failed,
835 Li_lost_incoming_connection,
836 Li_outgoing_interface, /* see d_log_interface in deliver.c */
837 Li_queue_run,
838 Li_rejected_header,
839 Li_retry_defer,
840 Li_sender_verify_fail,
841 Li_size_reject,
842 Li_skip_delivery,
843 Li_smtp_confirmation,
844 Li_tls_certificate_verified,
845 Li_tls_cipher,
846 -1
847};
848
849uschar *log_file_path = US LOG_FILE_PATH
850 "\0<--------------Space to patch log_file_path->";
851
852int log_notall[] = {
853 -1
854};
855bit_table log_options[] = { /* must be in alphabetical order */
856 BIT_TABLE(L, 8bitmime),
857 BIT_TABLE(L, acl_warn_skipped),
858 BIT_TABLE(L, address_rewrite),
859 BIT_TABLE(L, all),
860 BIT_TABLE(L, all_parents),
861 BIT_TABLE(L, arguments),
862 BIT_TABLE(L, connection_reject),
863 BIT_TABLE(L, delay_delivery),
864 BIT_TABLE(L, deliver_time),
865 BIT_TABLE(L, delivery_size),
866 BIT_TABLE(L, dnslist_defer),
867 BIT_TABLE(L, etrn),
868 BIT_TABLE(L, host_lookup_failed),
869 BIT_TABLE(L, ident_timeout),
870 BIT_TABLE(L, incoming_interface),
871 BIT_TABLE(L, incoming_port),
872 BIT_TABLE(L, lost_incoming_connection),
873 BIT_TABLE(L, outgoing_interface),
874 BIT_TABLE(L, outgoing_port),
875 BIT_TABLE(L, pid),
876#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
877 BIT_TABLE(L, proxy),
878#endif
879 BIT_TABLE(L, queue_run),
880 BIT_TABLE(L, queue_time),
881 BIT_TABLE(L, queue_time_overall),
882 BIT_TABLE(L, received_recipients),
883 BIT_TABLE(L, received_sender),
884 BIT_TABLE(L, rejected_header),
885 { US"rejected_headers", Li_rejected_header },
886 BIT_TABLE(L, retry_defer),
887 BIT_TABLE(L, return_path_on_delivery),
888 BIT_TABLE(L, sender_on_delivery),
889 BIT_TABLE(L, sender_verify_fail),
890 BIT_TABLE(L, size_reject),
891 BIT_TABLE(L, skip_delivery),
892 BIT_TABLE(L, smtp_confirmation),
893 BIT_TABLE(L, smtp_connection),
894 BIT_TABLE(L, smtp_incomplete_transaction),
895 BIT_TABLE(L, smtp_mailauth),
896 BIT_TABLE(L, smtp_no_mail),
897 BIT_TABLE(L, smtp_protocol_error),
898 BIT_TABLE(L, smtp_syntax_error),
899 BIT_TABLE(L, subject),
900 BIT_TABLE(L, tls_certificate_verified),
901 BIT_TABLE(L, tls_cipher),
902 BIT_TABLE(L, tls_peerdn),
903 BIT_TABLE(L, tls_sni),
904 BIT_TABLE(L, unknown_in_list),
905};
906int log_options_count = nelem(log_options);
907
908int log_reject_target = 0;
909unsigned int log_selector[log_selector_size]; /* initialized in main() */
910uschar *log_selector_string = NULL;
911FILE *log_stderr = NULL;
912BOOL log_testing_mode = FALSE;
913BOOL log_timezone = FALSE;
914uschar *login_sender_address = NULL;
915uschar *lookup_dnssec_authenticated = NULL;
916int lookup_open_max = 25;
917uschar *lookup_value = NULL;
918
919macro_item *macros = NULL;
920uschar *mailstore_basename = NULL;
921#ifdef WITH_CONTENT_SCAN
922uschar *malware_name = NULL; /* Virus Name */
923#endif
924int max_received_linelength= 0;
925int max_username_length = 0;
926int message_age = 0;
927uschar *message_body = NULL;
928uschar *message_body_end = NULL;
929BOOL message_body_newlines = FALSE;
930int message_body_size = 0;
931int message_body_visible = 500;
932int message_ended = END_NOTSTARTED;
933uschar *message_headers = NULL;
934uschar *message_id;
935uschar *message_id_domain = NULL;
936uschar *message_id_text = NULL;
937struct timeval message_id_tv = { 0, 0 };
938uschar message_id_option[MESSAGE_ID_LENGTH + 3];
939uschar *message_id_external;
940int message_linecount = 0;
941BOOL message_logs = TRUE;
942int message_size = 0;
943uschar *message_size_limit = US"50M";
944#ifdef SUPPORT_I18N
945BOOL message_smtputf8 = FALSE;
946int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
947#endif
948uschar message_subdir[2] = { 0, 0 };
949uschar *message_reference = NULL;
950
951/* MIME ACL expandables */
952#ifdef WITH_CONTENT_SCAN
953int mime_anomaly_level = 0;
954const uschar *mime_anomaly_text = NULL;
955uschar *mime_boundary = NULL;
956uschar *mime_charset = NULL;
957uschar *mime_content_description = NULL;
958uschar *mime_content_disposition = NULL;
959uschar *mime_content_id = NULL;
960unsigned int mime_content_size = 0;
961uschar *mime_content_transfer_encoding = NULL;
962uschar *mime_content_type = NULL;
963uschar *mime_decoded_filename = NULL;
964uschar *mime_filename = NULL;
965int mime_is_multipart = 0;
966int mime_is_coverletter = 0;
967int mime_is_rfc822 = 0;
968int mime_part_count = -1;
969#endif
970
971BOOL mua_wrapper = FALSE;
972
973uid_t *never_users = NULL;
974#ifdef WITH_CONTENT_SCAN
975BOOL no_mbox_unspool = FALSE;
976#endif
977BOOL no_multiline_responses = FALSE;
978
979uid_t original_euid;
980gid_t originator_gid;
981uschar *originator_login = NULL;
982uschar *originator_name = NULL;
983uid_t originator_uid;
984uschar *override_local_interfaces = NULL;
985uschar *override_pid_file_path = NULL;
986
987BOOL parse_allow_group = FALSE;
988BOOL parse_found_group = FALSE;
989uschar *percent_hack_domains = NULL;
990uschar *pid_file_path = US PID_FILE_PATH
991 "\0<--------------Space to patch pid_file_path->";
992BOOL pipelining_enable = TRUE;
993uschar *pipelining_advertise_hosts = US"*";
994BOOL preserve_message_logs = FALSE;
995uschar *primary_hostname = NULL;
996BOOL print_topbitchars = FALSE;
997uschar process_info[PROCESS_INFO_SIZE];
998int process_info_len = 0;
999uschar *process_log_path = NULL;
1000BOOL prod_requires_admin = TRUE;
1001
1002#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1003uschar *hosts_proxy = US"";
1004uschar *proxy_external_address = US"";
1005int proxy_external_port = 0;
1006uschar *proxy_local_address = US"";
1007int proxy_local_port = 0;
1008BOOL proxy_session = FALSE;
1009BOOL proxy_session_failed = FALSE;
1010#endif
1011
1012uschar *prvscheck_address = NULL;
1013uschar *prvscheck_keynum = NULL;
1014uschar *prvscheck_result = NULL;
1015
1016
1017const uschar *qualify_domain_recipient = NULL;
1018uschar *qualify_domain_sender = NULL;
1019BOOL queue_2stage = FALSE;
1020uschar *queue_domains = NULL;
1021int queue_interval = -1;
1022BOOL queue_list_requires_admin = TRUE;
1023uschar *queue_name = US"";
1024BOOL queue_only = FALSE;
1025uschar *queue_only_file = NULL;
1026int queue_only_load = -1;
1027BOOL queue_only_load_latch = TRUE;
1028BOOL queue_only_override = TRUE;
1029BOOL queue_only_policy = FALSE;
1030BOOL queue_run_first_delivery = FALSE;
1031BOOL queue_run_force = FALSE;
1032BOOL queue_run_in_order = FALSE;
1033BOOL queue_run_local = FALSE;
1034int queue_run_max = 5;
1035pid_t queue_run_pid = (pid_t)0;
1036int queue_run_pipe = -1;
1037BOOL queue_running = FALSE;
1038BOOL queue_smtp = FALSE;
1039uschar *queue_smtp_domains = NULL;
1040
1041unsigned int random_seed = 0;
1042tree_node *ratelimiters_cmd = NULL;
1043tree_node *ratelimiters_conn = NULL;
1044tree_node *ratelimiters_mail = NULL;
1045uschar *raw_active_hostname = NULL;
1046uschar *raw_sender = NULL;
1047uschar **raw_recipients = NULL;
1048int raw_recipients_count = 0;
1049
1050int rcpt_count = 0;
1051int rcpt_fail_count = 0;
1052int rcpt_defer_count = 0;
1053gid_t real_gid;
1054uid_t real_uid;
1055BOOL really_exim = TRUE;
1056BOOL receive_call_bombout = FALSE;
1057int receive_linecount = 0;
1058int receive_messagecount = 0;
1059int receive_timeout = 0;
1060int received_count = 0;
1061uschar *received_for = NULL;
1062
1063/* This is the default text for Received headers generated by Exim. The
1064date will be automatically added on the end. */
1065
1066uschar *received_header_text = US
1067 "Received: "
1068 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1069 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1070 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1071 "by $primary_hostname "
1072 "${if def:received_protocol {with $received_protocol}} "
1073 #ifdef SUPPORT_TLS
1074 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1075 #endif
1076 "(Exim $version_number)\n\t"
1077 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1078 "id $message_exim_id"
1079 "${if def:received_for {\n\tfor $received_for}}"
1080 "\0<---------------Space to patch received_header_text->";
1081
1082int received_headers_max = 30;
1083uschar *received_protocol = NULL;
1084int received_time = 0;
1085uschar *recipient_data = NULL;
1086uschar *recipient_unqualified_hosts = NULL;
1087uschar *recipient_verify_failure = NULL;
1088int recipients_count = 0;
1089BOOL recipients_discarded = FALSE;
1090recipient_item *recipients_list = NULL;
1091int recipients_list_max = 0;
1092int recipients_max = 0;
1093BOOL recipients_max_reject = FALSE;
1094const pcre *regex_AUTH = NULL;
1095const pcre *regex_check_dns_names = NULL;
1096const pcre *regex_From = NULL;
1097const pcre *regex_IGNOREQUOTA = NULL;
1098const pcre *regex_PIPELINING = NULL;
1099const pcre *regex_SIZE = NULL;
1100const pcre *regex_ismsgid = NULL;
1101const pcre *regex_smtp_code = NULL;
1102uschar *regex_vars[REGEX_VARS];
1103#ifdef WHITELIST_D_MACROS
1104const pcre *regex_whitelisted_macro = NULL;
1105#endif
1106#ifdef WITH_CONTENT_SCAN
1107uschar *regex_match_string = NULL;
1108#endif
1109int remote_delivery_count = 0;
1110int remote_max_parallel = 2;
1111uschar *remote_sort_domains = NULL;
1112int retry_data_expire = 7*24*60*60;
1113int retry_interval_max = 24*60*60;
1114int retry_maximum_timeout = 0; /* set from retry config */
1115retry_config *retries = NULL;
1116uschar *return_path = NULL;
1117BOOL return_path_remove = TRUE;
1118int rewrite_existflags = 0;
1119uschar *rfc1413_hosts = US"@[]";
1120int rfc1413_query_timeout = 0;
1121/* BOOL rfc821_domains = FALSE; <<< on the way out */
1122uid_t root_gid = ROOT_GID;
1123uid_t root_uid = ROOT_UID;
1124
1125router_instance *routers = NULL;
1126router_instance router_defaults = {
1127 NULL, /* chain pointer */
1128 NULL, /* name */
1129 NULL, /* info */
1130 NULL, /* private options block pointer */
1131 NULL, /* driver name */
1132
1133 NULL, /* address_data */
1134#ifdef EXPERIMENTAL_BRIGHTMAIL
1135 NULL, /* bmi_rule */
1136#endif
1137 NULL, /* cannot_route_message */
1138 NULL, /* condition */
1139 NULL, /* current_directory */
1140 NULL, /* debug_string */
1141 NULL, /* domains */
1142 NULL, /* errors_to */
1143 NULL, /* expand_gid */
1144 NULL, /* expand_uid */
1145 NULL, /* expand_more */
1146 NULL, /* expand_unseen */
1147 NULL, /* extra_headers */
1148 NULL, /* fallback_hosts */
1149 NULL, /* home_directory */
1150 NULL, /* ignore_target_hosts */
1151 NULL, /* local_parts */
1152 NULL, /* pass_router_name */
1153 NULL, /* prefix */
1154 NULL, /* redirect_router_name */
1155 NULL, /* remove_headers */
1156 NULL, /* require_files */
1157 NULL, /* router_home_directory */
1158 US"freeze", /* self */
1159 NULL, /* senders */
1160 NULL, /* suffix */
1161 NULL, /* translate_ip_address */
1162 NULL, /* transport_name */
1163
1164 TRUE, /* address_test */
1165#ifdef EXPERIMENTAL_BRIGHTMAIL
1166 FALSE, /* bmi_deliver_alternate */
1167 FALSE, /* bmi_deliver_default */
1168 FALSE, /* bmi_dont_deliver */
1169#endif
1170 TRUE, /* expn */
1171 FALSE, /* caseful_local_part */
1172 FALSE, /* check_local_user */
1173 FALSE, /* disable_logging */
1174 FALSE, /* fail_verify_recipient */
1175 FALSE, /* fail_verify_sender */
1176 FALSE, /* gid_set */
1177 FALSE, /* initgroups */
1178 TRUE_UNSET, /* log_as_local */
1179 TRUE, /* more */
1180 FALSE, /* pass_on_timeout */
1181 FALSE, /* prefix_optional */
1182 TRUE, /* repeat_use */
1183 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1184 FALSE, /* same_domain_copy_routing */
1185 FALSE, /* self_rewrite */
1186 FALSE, /* suffix_optional */
1187 FALSE, /* verify_only */
1188 TRUE, /* verify_recipient */
1189 TRUE, /* verify_sender */
1190 FALSE, /* uid_set */
1191 FALSE, /* unseen */
1192 FALSE, /* dsn_lasthop */
1193
1194 self_freeze, /* self_code */
1195 (uid_t)(-1), /* uid */
1196 (gid_t)(-1), /* gid */
1197
1198 NULL, /* fallback_hostlist */
1199 NULL, /* transport instance */
1200 NULL, /* pass_router */
1201 NULL, /* redirect_router */
1202
1203 { NULL, NULL }, /* dnssec_domains {require,request} */
1204};
1205
1206uschar *router_name = NULL;
1207
1208ip_address_item *running_interfaces = NULL;
1209BOOL running_in_test_harness = FALSE;
1210
1211/* This is a weird one. The following string gets patched in the binary by the
1212script that sets up a copy of Exim for running in the test harness. It seems
1213that compilers are now clever, and share constant strings if they can.
1214Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1215make use of the end of this string in order to save space. So the patching then
1216wrecks this. We defeat this optimization by adding some additional characters
1217onto the end of the string. */
1218
1219uschar *running_status = US">>>running<<<" "\0EXTRA";
1220
1221int runrc = 0;
1222
1223uschar *search_error_message = NULL;
1224BOOL search_find_defer = FALSE;
1225uschar *self_hostname = NULL;
1226uschar *sender_address = NULL;
1227unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1228uschar *sender_address_data = NULL;
1229BOOL sender_address_forced = FALSE;
1230uschar *sender_address_unrewritten = NULL;
1231uschar *sender_data = NULL;
1232unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1233uschar *sender_fullhost = NULL;
1234BOOL sender_helo_dnssec = FALSE;
1235uschar *sender_helo_name = NULL;
1236uschar **sender_host_aliases = &no_aliases;
1237uschar *sender_host_address = NULL;
1238uschar *sender_host_authenticated = NULL;
1239unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1240BOOL sender_host_dnssec = FALSE;
1241uschar *sender_host_name = NULL;
1242int sender_host_port = 0;
1243BOOL sender_host_notsocket = FALSE;
1244BOOL sender_host_unknown = FALSE;
1245uschar *sender_ident = NULL;
1246BOOL sender_local = FALSE;
1247BOOL sender_name_forced = FALSE;
1248uschar *sender_rate = NULL;
1249uschar *sender_rate_limit = NULL;
1250uschar *sender_rate_period = NULL;
1251uschar *sender_rcvhost = NULL;
1252BOOL sender_set_untrusted = FALSE;
1253uschar *sender_unqualified_hosts = NULL;
1254uschar *sender_verify_failure = NULL;
1255address_item *sender_verified_list = NULL;
1256address_item *sender_verified_failed = NULL;
1257int sender_verified_rc = -1;
1258BOOL sender_verified_responded = FALSE;
1259uschar *sending_ip_address = NULL;
1260int sending_port = -1;
1261SIGNAL_BOOL sigalrm_seen = FALSE;
1262uschar **sighup_argv = NULL;
1263int slow_lookup_log = 0; /* millisecs, zero disables */
1264int smtp_accept_count = 0;
1265BOOL smtp_accept_keepalive = TRUE;
1266int smtp_accept_max = 20;
1267int smtp_accept_max_nonmail= 10;
1268uschar *smtp_accept_max_nonmail_hosts = US"*";
1269int smtp_accept_max_per_connection = 1000;
1270uschar *smtp_accept_max_per_host = NULL;
1271int smtp_accept_queue = 0;
1272int smtp_accept_queue_per_connection = 10;
1273int smtp_accept_reserve = 0;
1274uschar *smtp_active_hostname = NULL;
1275BOOL smtp_authenticated = FALSE;
1276uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1277 "Exim $version_number $tod_full"
1278 "\0<---------------Space to patch smtp_banner->";
1279BOOL smtp_batched_input = FALSE;
1280BOOL smtp_check_spool_space = TRUE;
1281int smtp_ch_index = 0;
1282uschar *smtp_cmd_argument = NULL;
1283uschar *smtp_cmd_buffer = NULL;
1284time_t smtp_connection_start = 0;
1285uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1286int smtp_connect_backlog = 20;
1287double smtp_delay_mail = 0.0;
1288double smtp_delay_rcpt = 0.0;
1289BOOL smtp_enforce_sync = TRUE;
1290FILE *smtp_in = NULL;
1291BOOL smtp_input = FALSE;
1292int smtp_load_reserve = -1;
1293int smtp_mailcmd_count = 0;
1294FILE *smtp_out = NULL;
1295uschar *smtp_etrn_command = NULL;
1296BOOL smtp_etrn_serialize = TRUE;
1297int smtp_max_synprot_errors= 3;
1298int smtp_max_unknown_commands = 3;
1299uschar *smtp_notquit_reason = NULL;
1300uschar *smtp_ratelimit_hosts = NULL;
1301uschar *smtp_ratelimit_mail = NULL;
1302uschar *smtp_ratelimit_rcpt = NULL;
1303uschar *smtp_read_error = US"";
1304int smtp_receive_timeout = 5*60;
1305uschar *smtp_receive_timeout_s = NULL;
1306uschar *smtp_reserve_hosts = NULL;
1307BOOL smtp_return_error_details = FALSE;
1308int smtp_rlm_base = 0;
1309double smtp_rlm_factor = 0.0;
1310int smtp_rlm_limit = 0;
1311int smtp_rlm_threshold = INT_MAX;
1312int smtp_rlr_base = 0;
1313double smtp_rlr_factor = 0.0;
1314int smtp_rlr_limit = 0;
1315int smtp_rlr_threshold = INT_MAX;
1316BOOL smtp_use_pipelining = FALSE;
1317BOOL smtp_use_size = FALSE;
1318#ifdef SUPPORT_I18N
1319uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1320#endif
1321
1322#ifdef WITH_CONTENT_SCAN
1323uschar *spamd_address = US"127.0.0.1 783";
1324uschar *spam_bar = NULL;
1325uschar *spam_report = NULL;
1326uschar *spam_action = NULL;
1327uschar *spam_score = NULL;
1328uschar *spam_score_int = NULL;
1329#endif
1330#ifdef EXPERIMENTAL_SPF
1331uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1332uschar *spf_header_comment = NULL;
1333uschar *spf_received = NULL;
1334uschar *spf_result = NULL;
1335uschar *spf_smtp_comment = NULL;
1336#endif
1337
1338BOOL split_spool_directory = FALSE;
1339uschar *spool_directory = US SPOOL_DIRECTORY
1340 "\0<--------------Space to patch spool_directory->";
1341#ifdef EXPERIMENTAL_SRS
1342uschar *srs_config = NULL;
1343uschar *srs_db_address = NULL;
1344uschar *srs_db_key = NULL;
1345int srs_hashlength = 6;
1346int srs_hashmin = -1;
1347int srs_maxage = 31;
1348uschar *srs_orig_recipient = NULL;
1349uschar *srs_orig_sender = NULL;
1350uschar *srs_recipient = NULL;
1351uschar *srs_secrets = NULL;
1352uschar *srs_status = NULL;
1353BOOL srs_usehash = TRUE;
1354BOOL srs_usetimestamp = TRUE;
1355#endif
1356BOOL strict_acl_vars = FALSE;
1357int string_datestamp_offset= -1;
1358int string_datestamp_length= 0;
1359int string_datestamp_type = -1;
1360BOOL strip_excess_angle_brackets = FALSE;
1361BOOL strip_trailing_dot = FALSE;
1362uschar *submission_domain = NULL;
1363BOOL submission_mode = FALSE;
1364uschar *submission_name = NULL;
1365BOOL suppress_local_fixups = FALSE;
1366BOOL suppress_local_fixups_default = FALSE;
1367BOOL synchronous_delivery = FALSE;
1368BOOL syslog_duplication = TRUE;
1369int syslog_facility = LOG_MAIL;
1370uschar *syslog_processname = US"exim";
1371BOOL syslog_timestamp = TRUE;
1372uschar *system_filter = NULL;
1373
1374uschar *system_filter_directory_transport = NULL;
1375uschar *system_filter_file_transport = NULL;
1376uschar *system_filter_pipe_transport = NULL;
1377uschar *system_filter_reply_transport = NULL;
1378
1379gid_t system_filter_gid = 0;
1380BOOL system_filter_gid_set = FALSE;
1381uid_t system_filter_uid = (uid_t)-1;
1382BOOL system_filter_uid_set = FALSE;
1383BOOL system_filtering = FALSE;
1384
1385BOOL tcp_nodelay = TRUE;
1386#ifdef USE_TCP_WRAPPERS
1387uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1388#endif
1389int test_harness_load_avg = 0;
1390int thismessage_size_limit = 0;
1391int timeout_frozen_after = 0;
1392BOOL timestamps_utc = FALSE;
1393
1394transport_instance *transports = NULL;
1395
1396transport_instance transport_defaults = {
1397 NULL, /* chain pointer */
1398 NULL, /* name */
1399 NULL, /* info */
1400 NULL, /* private options block pointer */
1401 NULL, /* driver name */
1402 NULL, /* setup entry point */
1403 1, /* batch_max */
1404 NULL, /* batch_id */
1405 NULL, /* home_dir */
1406 NULL, /* current_dir */
1407 NULL, /* expand-multi-domain */
1408 TRUE, /* multi-domain */
1409 FALSE, /* overrides_hosts */
1410 100, /* max_addresses */
1411 500, /* connection_max_messages */
1412 FALSE, /* deliver_as_creator */
1413 FALSE, /* disable_logging */
1414 FALSE, /* initgroups */
1415 FALSE, /* uid_set */
1416 FALSE, /* gid_set */
1417 (uid_t)(-1), /* uid */
1418 (gid_t)(-1), /* gid */
1419 NULL, /* expand_uid */
1420 NULL, /* expand_gid */
1421 NULL, /* warn_message */
1422 NULL, /* shadow */
1423 NULL, /* shadow_condition */
1424 NULL, /* filter_command */
1425 NULL, /* add_headers */
1426 NULL, /* remove_headers */
1427 NULL, /* return_path */
1428 NULL, /* debug_string */
1429 NULL, /* max_parallel */
1430 NULL, /* message_size_limit */
1431 NULL, /* headers_rewrite */
1432 NULL, /* rewrite_rules */
1433 0, /* rewrite_existflags */
1434 300, /* filter_timeout */
1435 FALSE, /* body_only */
1436 FALSE, /* delivery_date_add */
1437 FALSE, /* envelope_to_add */
1438 FALSE, /* headers_only */
1439 FALSE, /* rcpt_include_affixes */
1440 FALSE, /* return_path_add */
1441 FALSE, /* return_output */
1442 FALSE, /* return_fail_output */
1443 FALSE, /* log_output */
1444 FALSE, /* log_fail_output */
1445 FALSE, /* log_defer_output */
1446 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1447 1 nor 0 so can detect unset */
1448#ifndef DISABLE_EVENT
1449 ,NULL /* event_action */
1450#endif
1451};
1452
1453int transport_count;
1454uschar *transport_name = NULL;
1455int transport_newlines;
1456const uschar **transport_filter_argv = NULL;
1457int transport_filter_timeout;
1458BOOL transport_filter_timed_out = FALSE;
1459int transport_write_timeout= 0;
1460
1461tree_node *tree_dns_fails = NULL;
1462tree_node *tree_duplicates = NULL;
1463tree_node *tree_nonrecipients = NULL;
1464tree_node *tree_unusable = NULL;
1465
1466BOOL trusted_caller = FALSE;
1467BOOL trusted_config = TRUE;
1468gid_t *trusted_groups = NULL;
1469uid_t *trusted_users = NULL;
1470uschar *timezone_string = US TIMEZONE_DEFAULT;
1471
1472uschar *unknown_login = NULL;
1473uschar *unknown_username = NULL;
1474uschar *untrusted_set_sender = NULL;
1475
1476/* A regex for matching a "From_" line in an incoming message, in the form
1477
1478 From ph10 Fri Jan 5 12:35 GMT 1996
1479
1480which the "mail" commands send to the MTA (undocumented, of course), or in
1481the form
1482
1483 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1484
1485which is apparently used by some UUCPs, despite it not being in RFC 976.
1486Because of variations in time formats, just match up to the minutes. That
1487should be sufficient. Examples have been seen of time fields like 12:1:03,
1488so just require one digit for hours and minutes. The weekday is also absent
1489in some forms. */
1490
1491uschar *uucp_from_pattern = US
1492 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1493 "(?:" /* Non-extracting bracket */
1494 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1495 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1496 ")" /* End alternation */
1497 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1498
1499uschar *uucp_from_sender = US"$1";
1500
1501uschar *verify_mode = NULL;
1502uschar *version_copyright =
1503 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1504 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1505uschar *version_date = US"?";
1506uschar *version_cnumber = US"????";
1507uschar *version_string = US"?";
1508
1509uschar *warn_message_file = NULL;
1510int warning_count = 0;
1511uschar *warnmsg_delay = NULL;
1512uschar *warnmsg_recipients = NULL;
1513BOOL write_rejectlog = TRUE;
1514
1515
1516/* End of globals.c */
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