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Testsuite: a DSN case for a remote-MTA specified by name rather than IP
[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 - 2015 */
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;
52#endif
53
54#ifdef EXPAND_DLFUNC
55tree_node *dlobj_anchor = NULL;
56#endif
57
58#ifdef LOOKUP_IBASE
59uschar *ibase_servers = NULL;
60#endif
61
62#ifdef LOOKUP_LDAP
63uschar *eldap_ca_cert_dir = NULL;
64uschar *eldap_ca_cert_file = NULL;
65uschar *eldap_cert_file = NULL;
66uschar *eldap_cert_key = NULL;
67uschar *eldap_cipher_suite = NULL;
68uschar *eldap_default_servers = NULL;
69uschar *eldap_require_cert = NULL;
70int eldap_version = -1;
71BOOL eldap_start_tls = FALSE;
72#endif
73
74#ifdef LOOKUP_MYSQL
75uschar *mysql_servers = NULL;
76#endif
77
78#ifdef LOOKUP_ORACLE
79uschar *oracle_servers = NULL;
80#endif
81
82#ifdef LOOKUP_PGSQL
83uschar *pgsql_servers = NULL;
84#endif
85
86#ifdef EXPERIMENTAL_REDIS
87uschar *redis_servers = NULL;
88#endif
89
90#ifdef LOOKUP_SQLITE
91int sqlite_lock_timeout = 5;
92#endif
93
94#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95BOOL move_frozen_messages = FALSE;
96#endif
97
98/* These variables are outside the #ifdef because it keeps the code less
99cluttered in several places (e.g. during logging) if we can always refer to
100them. Also, the tls_ variables are now always visible. */
101
102tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106#ifdef EXPERIMENTAL_DANE
107 FALSE,/* dane_verified */
108 0, /* tlsa_usage */
109#endif
110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
113 NULL, /* tls_ourcert */
114 NULL, /* tls_peercert */
115 NULL, /* tls_peerdn */
116 NULL, /* tls_sni */
117 0 /* tls_ocsp */
118};
119tls_support tls_out = {
120 -1, /* tls_active */
121 0, /* tls_bits */
122 FALSE,/* tls_certificate_verified */
123#ifdef EXPERIMENTAL_DANE
124 FALSE,/* dane_verified */
125 0, /* tlsa_usage */
126#endif
127 NULL, /* tls_cipher */
128 FALSE,/* tls_on_connect */
129 NULL, /* tls_on_connect_ports */
130 NULL, /* tls_ourcert */
131 NULL, /* tls_peercert */
132 NULL, /* tls_peerdn */
133 NULL, /* tls_sni */
134 0 /* tls_ocsp */
135};
136
137uschar *dsn_envid = NULL;
138int dsn_ret = 0;
139const pcre *regex_DSN = NULL;
140BOOL smtp_use_dsn = FALSE;
141uschar *dsn_advertise_hosts = NULL;
142
143#ifdef SUPPORT_TLS
144BOOL gnutls_compat_mode = FALSE;
145BOOL gnutls_allow_auto_pkcs11 = FALSE;
146uschar *gnutls_require_mac = NULL;
147uschar *gnutls_require_kx = NULL;
148uschar *gnutls_require_proto = NULL;
149uschar *openssl_options = NULL;
150const pcre *regex_STARTTLS = NULL;
151uschar *tls_advertise_hosts = NULL; /* This is deliberate */
152uschar *tls_certificate = NULL;
153uschar *tls_crl = NULL;
154/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
155that's the interop problem which has been observed: GnuTLS suggesting a higher
156bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
157int tls_dh_max_bits = 2236;
158uschar *tls_dhparam = NULL;
159uschar *tls_eccurve = US"prime256v1";
160#ifndef DISABLE_OCSP
161uschar *tls_ocsp_file = NULL;
162#endif
163BOOL tls_offered = FALSE;
164uschar *tls_privatekey = NULL;
165BOOL tls_remember_esmtp = FALSE;
166uschar *tls_require_ciphers = NULL;
167uschar *tls_try_verify_hosts = NULL;
168uschar *tls_verify_certificates= US"system";
169uschar *tls_verify_hosts = NULL;
170#endif
171
172#ifndef DISABLE_PRDR
173/* Per Recipient Data Response variables */
174BOOL prdr_enable = FALSE;
175BOOL prdr_requested = FALSE;
176const pcre *regex_PRDR = NULL;
177#endif
178
179#ifdef EXPERIMENTAL_INTERNATIONAL
180const pcre *regex_UTF8 = NULL;
181#endif
182
183/* Input-reading functions for messages, so we can use special ones for
184incoming TCP/IP. The defaults use stdin. We never need these for any
185stand-alone tests. */
186
187#ifndef STAND_ALONE
188int (*receive_getc)(void) = stdin_getc;
189int (*receive_ungetc)(int) = stdin_ungetc;
190int (*receive_feof)(void) = stdin_feof;
191int (*receive_ferror)(void) = stdin_ferror;
192BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
193#endif
194
195
196/* List of per-address expansion variables for clearing and saving/restoring
197when verifying one address while routing/verifying another. We have to have
198the size explicit, because it is referenced from more than one module. */
199
200const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
201 CUSS &deliver_address_data,
202 CUSS &deliver_domain,
203 CUSS &deliver_domain_data,
204 CUSS &deliver_domain_orig,
205 CUSS &deliver_domain_parent,
206 CUSS &deliver_localpart,
207 CUSS &deliver_localpart_data,
208 CUSS &deliver_localpart_orig,
209 CUSS &deliver_localpart_parent,
210 CUSS &deliver_localpart_prefix,
211 CUSS &deliver_localpart_suffix,
212 CUSS (uschar **)(&deliver_recipients),
213 CUSS &deliver_host,
214 CUSS &deliver_home,
215 CUSS &address_file,
216 CUSS &address_pipe,
217 CUSS &self_hostname,
218 NULL };
219
220int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
221
222/* General global variables */
223
224header_line *acl_added_headers = NULL;
225tree_node *acl_anchor = NULL;
226uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
227 NULL, NULL, NULL, NULL};
228int acl_narg = 0;
229
230uschar *acl_not_smtp = NULL;
231#ifdef WITH_CONTENT_SCAN
232uschar *acl_not_smtp_mime = NULL;
233#endif
234uschar *acl_not_smtp_start = NULL;
235uschar *acl_removed_headers = NULL;
236uschar *acl_smtp_auth = NULL;
237uschar *acl_smtp_connect = NULL;
238uschar *acl_smtp_data = NULL;
239#ifndef DISABLE_PRDR
240uschar *acl_smtp_data_prdr = US"accept";
241#endif
242#ifndef DISABLE_DKIM
243uschar *acl_smtp_dkim = NULL;
244#endif
245uschar *acl_smtp_etrn = NULL;
246uschar *acl_smtp_expn = NULL;
247uschar *acl_smtp_helo = NULL;
248uschar *acl_smtp_mail = NULL;
249uschar *acl_smtp_mailauth = NULL;
250#ifdef WITH_CONTENT_SCAN
251uschar *acl_smtp_mime = NULL;
252#endif
253uschar *acl_smtp_notquit = NULL;
254uschar *acl_smtp_predata = NULL;
255uschar *acl_smtp_quit = NULL;
256uschar *acl_smtp_rcpt = NULL;
257uschar *acl_smtp_starttls = NULL;
258uschar *acl_smtp_vrfy = NULL;
259
260BOOL acl_temp_details = FALSE;
261tree_node *acl_var_c = NULL;
262tree_node *acl_var_m = NULL;
263uschar *acl_verify_message = NULL;
264string_item *acl_warn_logged = NULL;
265
266/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
267error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
268
269uschar *acl_wherenames[] = { US"RCPT",
270 US"MAIL",
271 US"PREDATA",
272 US"MIME",
273 US"DKIM",
274 US"DATA",
275#ifndef DISABLE_PRDR
276 US"PRDR",
277#endif
278 US"non-SMTP",
279 US"AUTH",
280 US"connection",
281 US"ETRN",
282 US"EXPN",
283 US"EHLO or HELO",
284 US"MAILAUTH",
285 US"non-SMTP-start",
286 US"NOTQUIT",
287 US"QUIT",
288 US"STARTTLS",
289 US"VRFY",
290 US"delivery",
291 US"unknown"
292 };
293
294uschar *acl_wherecodes[] = { US"550", /* RCPT */
295 US"550", /* MAIL */
296 US"550", /* PREDATA */
297 US"550", /* MIME */
298 US"550", /* DKIM */
299 US"550", /* DATA */
300#ifndef DISABLE_PRDR
301 US"550", /* RCPT PRDR */
302#endif
303 US"0", /* not SMTP; not relevant */
304 US"503", /* AUTH */
305 US"550", /* connect */
306 US"458", /* ETRN */
307 US"550", /* EXPN */
308 US"550", /* HELO/EHLO */
309 US"0", /* MAILAUTH; not relevant */
310 US"0", /* not SMTP; not relevant */
311 US"0", /* NOTQUIT; not relevant */
312 US"0", /* QUIT; not relevant */
313 US"550", /* STARTTLS */
314 US"252", /* VRFY */
315 US"0", /* delivery; not relevant */
316 US"0" /* unknown; not relevant */
317 };
318
319BOOL active_local_from_check = FALSE;
320BOOL active_local_sender_retain = FALSE;
321int body_8bitmime = 0;
322BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323address_item *addr_duplicate = NULL;
324
325address_item address_defaults = {
326 NULL, /* next */
327 NULL, /* parent */
328 NULL, /* first */
329 NULL, /* dupof */
330 NULL, /* start_router */
331 NULL, /* router */
332 NULL, /* transport */
333 NULL, /* host_list */
334 NULL, /* host_used */
335 NULL, /* fallback_hosts */
336 NULL, /* reply */
337 NULL, /* retries */
338 NULL, /* address */
339 NULL, /* unique */
340 NULL, /* cc_local_part */
341 NULL, /* lc_local_part */
342 NULL, /* local_part */
343 NULL, /* prefix */
344 NULL, /* suffix */
345 NULL, /* domain */
346 NULL, /* address_retry_key */
347 NULL, /* domain_retry_key */
348 NULL, /* current_dir */
349 NULL, /* home_dir */
350 NULL, /* message */
351 NULL, /* user_message */
352 NULL, /* onetime_parent */
353 NULL, /* pipe_expandn */
354 NULL, /* return_filename */
355 NULL, /* self_hostname */
356 NULL, /* shadow_message */
357 #ifdef SUPPORT_TLS
358 NULL, /* cipher */
359 NULL, /* ourcert */
360 NULL, /* peercert */
361 NULL, /* peerdn */
362 OCSP_NOT_REQ, /* ocsp */
363 #endif
364 NULL, /* authenticator */
365 NULL, /* auth_id */
366 NULL, /* auth_sndr */
367 NULL, /* dsn_orcpt */
368 0, /* dsn_flags */
369 0, /* dsn_aware */
370 (uid_t)(-1), /* uid */
371 (gid_t)(-1), /* gid */
372 0, /* flags */
373 { 0 }, /* domain_cache - any larger array should be zeroed */
374 { 0 }, /* localpart_cache - ditto */
375 -1, /* mode */
376 0, /* more_errno */
377 ERRNO_UNKNOWNERROR, /* basic_errno */
378 0, /* child_count */
379 -1, /* return_file */
380 SPECIAL_NONE, /* special_action */
381 DEFER, /* transport_return */
382 { /* fields that are propagated to children */
383 NULL, /* address_data */
384 NULL, /* domain_data */
385 NULL, /* localpart_data */
386 NULL, /* errors_address */
387 NULL, /* extra_headers */
388 NULL, /* remove_headers */
389#ifdef EXPERIMENTAL_SRS
390 NULL, /* srs_sender */
391#endif
392#ifdef EXPERIMENTAL_INTERNATIONAL
393 FALSE, /* utf8 */
394#endif
395 }
396};
397
398uschar *address_file = NULL;
399uschar *address_pipe = NULL;
400BOOL address_test_mode = FALSE;
401tree_node *addresslist_anchor = NULL;
402int addresslist_count = 0;
403gid_t *admin_groups = NULL;
404BOOL admin_user = FALSE;
405BOOL allow_auth_unadvertised= FALSE;
406BOOL allow_domain_literals = FALSE;
407BOOL allow_mx_to_ip = FALSE;
408BOOL allow_unqualified_recipient = TRUE; /* For local messages */
409BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
410BOOL allow_utf8_domains = FALSE;
411uschar *authenticated_fail_id = NULL;
412uschar *authenticated_id = NULL;
413uschar *authenticated_sender = NULL;
414BOOL authentication_failed = FALSE;
415auth_instance *auths = NULL;
416uschar *auth_advertise_hosts = US"*";
417auth_instance auth_defaults = {
418 NULL, /* chain pointer */
419 NULL, /* name */
420 NULL, /* info */
421 NULL, /* private options block pointer */
422 NULL, /* driver_name */
423 NULL, /* advertise_condition */
424 NULL, /* client_condition */
425 NULL, /* public_name */
426 NULL, /* set_id */
427 NULL, /* set_client_id */
428 NULL, /* server_mail_auth_condition */
429 NULL, /* server_debug_string */
430 NULL, /* server_condition */
431 FALSE, /* client */
432 FALSE, /* server */
433 FALSE /* advertised */
434};
435
436uschar *auth_defer_msg = US"reason not recorded";
437uschar *auth_defer_user_msg = US"";
438uschar *auth_vars[AUTH_VARS];
439int auto_thaw = 0;
440#ifdef WITH_CONTENT_SCAN
441BOOL av_failed = FALSE;
442uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
443#endif
444
445BOOL background_daemon = TRUE;
446
447#if BASE_62 == 62
448uschar *base62_chars=
449 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
450#else
451uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
452#endif
453
454uschar *bi_command = NULL;
455uschar *big_buffer = NULL;
456int big_buffer_size = BIG_BUFFER_SIZE;
457#ifdef EXPERIMENTAL_BRIGHTMAIL
458uschar *bmi_alt_location = NULL;
459uschar *bmi_base64_tracker_verdict = NULL;
460uschar *bmi_base64_verdict = NULL;
461uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
462int bmi_deliver = 1;
463int bmi_run = 0;
464uschar *bmi_verdicts = NULL;
465#endif
466int body_linecount = 0;
467int body_zerocount = 0;
468uschar *bounce_message_file = NULL;
469uschar *bounce_message_text = NULL;
470uschar *bounce_recipient = NULL;
471BOOL bounce_return_body = TRUE;
472BOOL bounce_return_message = TRUE;
473int bounce_return_size_limit = 100*1024;
474uschar *bounce_sender_authentication = NULL;
475int bsmtp_transaction_linecount = 0;
476
477int callout_cache_domain_positive_expire = 7*24*60*60;
478int callout_cache_domain_negative_expire = 3*60*60;
479int callout_cache_positive_expire = 24*60*60;
480int callout_cache_negative_expire = 2*60*60;
481uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
482uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
483int check_log_inodes = 0;
484int check_log_space = 0;
485BOOL check_rfc2047_length = TRUE;
486int check_spool_inodes = 0;
487int check_spool_space = 0;
488uschar *client_authenticator = NULL;
489uschar *client_authenticated_id = NULL;
490uschar *client_authenticated_sender = NULL;
491int clmacro_count = 0;
492uschar *clmacros[MAX_CLMACROS];
493BOOL config_changed = FALSE;
494FILE *config_file = NULL;
495uschar *config_filename = NULL;
496int config_lineno = 0;
497#ifdef CONFIGURE_GROUP
498gid_t config_gid = CONFIGURE_GROUP;
499#endif
500uschar *config_main_filelist = US CONFIGURE_FILE
501 "\0<-----------Space to patch configure_filename->";
502uschar *config_main_filename = NULL;
503uschar *config_main_directory = NULL;
504
505#ifdef CONFIGURE_OWNER
506uid_t config_uid = CONFIGURE_OWNER;
507#endif
508
509int connection_max_messages= -1;
510uschar *continue_hostname = NULL;
511uschar *continue_host_address = NULL;
512BOOL continue_more = FALSE;
513int continue_sequence = 1;
514uschar *continue_transport = NULL;
515
516uschar *csa_status = NULL;
517cut_t cutthrough = {
518 FALSE, /* delivery: when to attempt */
519 -1, /* fd: open connection */
520 0, /* nrcpt: number of addresses */
521};
522
523BOOL daemon_listen = FALSE;
524uschar *daemon_smtp_port = US"smtp";
525int daemon_startup_retries = 9;
526int daemon_startup_sleep = 30;
527
528#ifdef EXPERIMENTAL_DCC
529BOOL dcc_direct_add_header = FALSE;
530uschar *dcc_header = NULL;
531uschar *dcc_result = NULL;
532uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
533uschar *dccifd_options = US"header";
534#endif
535
536BOOL debug_daemon = FALSE;
537int debug_fd = -1;
538FILE *debug_file = NULL;
539int debug_notall[] = {
540 Di_memory,
541 -1
542};
543bit_table debug_options[] = { /* must be in alphabetical order */
544 BIT_TABLE(D, acl),
545 BIT_TABLE(D, all),
546 BIT_TABLE(D, auth),
547 BIT_TABLE(D, deliver),
548 BIT_TABLE(D, dns),
549 BIT_TABLE(D, dnsbl),
550 BIT_TABLE(D, exec),
551 BIT_TABLE(D, expand),
552 BIT_TABLE(D, filter),
553 BIT_TABLE(D, hints_lookup),
554 BIT_TABLE(D, host_lookup),
555 BIT_TABLE(D, ident),
556 BIT_TABLE(D, interface),
557 BIT_TABLE(D, lists),
558 BIT_TABLE(D, load),
559 BIT_TABLE(D, local_scan),
560 BIT_TABLE(D, lookup),
561 BIT_TABLE(D, memory),
562 BIT_TABLE(D, pid),
563 BIT_TABLE(D, process_info),
564 BIT_TABLE(D, queue_run),
565 BIT_TABLE(D, receive),
566 BIT_TABLE(D, resolver),
567 BIT_TABLE(D, retry),
568 BIT_TABLE(D, rewrite),
569 BIT_TABLE(D, route),
570 BIT_TABLE(D, timestamp),
571 BIT_TABLE(D, tls),
572 BIT_TABLE(D, transport),
573 BIT_TABLE(D, uid),
574 BIT_TABLE(D, verify),
575};
576int debug_options_count = nelem(debug_options);
577
578unsigned int debug_selector = 0;
579int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
580uschar *delay_warning_condition=
581 US"${if or {"
582 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
583 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
584 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
585 "} {no}{yes}}";
586BOOL delivery_date_remove = TRUE;
587uschar *deliver_address_data = NULL;
588int deliver_datafile = -1;
589const uschar *deliver_domain = NULL;
590uschar *deliver_domain_data = NULL;
591const uschar *deliver_domain_orig = NULL;
592const uschar *deliver_domain_parent = NULL;
593BOOL deliver_drop_privilege = FALSE;
594BOOL deliver_firsttime = FALSE;
595BOOL deliver_force = FALSE;
596BOOL deliver_freeze = FALSE;
597time_t deliver_frozen_at = 0;
598uschar *deliver_home = NULL;
599const uschar *deliver_host = NULL;
600const uschar *deliver_host_address = NULL;
601int deliver_host_port = 0;
602uschar *deliver_in_buffer = NULL;
603ino_t deliver_inode = 0;
604uschar *deliver_localpart = NULL;
605uschar *deliver_localpart_data = NULL;
606uschar *deliver_localpart_orig = NULL;
607uschar *deliver_localpart_parent = NULL;
608uschar *deliver_localpart_prefix = NULL;
609uschar *deliver_localpart_suffix = NULL;
610BOOL deliver_force_thaw = FALSE;
611BOOL deliver_manual_thaw = FALSE;
612uschar *deliver_out_buffer = NULL;
613int deliver_queue_load_max = -1;
614address_item *deliver_recipients = NULL;
615uschar *deliver_selectstring = NULL;
616BOOL deliver_selectstring_regex = FALSE;
617uschar *deliver_selectstring_sender = NULL;
618BOOL deliver_selectstring_sender_regex = FALSE;
619#ifdef WITH_OLD_DEMIME
620int demime_errorlevel = 0;
621int demime_ok = 0;
622uschar *demime_reason = NULL;
623#endif
624BOOL disable_callout_flush = FALSE;
625BOOL disable_delay_flush = FALSE;
626#ifdef ENABLE_DISABLE_FSYNC
627BOOL disable_fsync = FALSE;
628#endif
629BOOL disable_ipv6 = FALSE;
630BOOL disable_logging = FALSE;
631
632#ifndef DISABLE_DKIM
633uschar *dkim_cur_signer = NULL;
634uschar *dkim_signers = NULL;
635uschar *dkim_signing_domain = NULL;
636uschar *dkim_signing_selector = NULL;
637uschar *dkim_verify_signers = US"$dkim_signers";
638BOOL dkim_collect_input = FALSE;
639BOOL dkim_disable_verify = FALSE;
640#endif
641#ifdef EXPERIMENTAL_DMARC
642BOOL dmarc_has_been_checked = FALSE;
643uschar *dmarc_ar_header = NULL;
644uschar *dmarc_domain_policy = NULL;
645uschar *dmarc_forensic_sender = NULL;
646uschar *dmarc_history_file = NULL;
647uschar *dmarc_status = NULL;
648uschar *dmarc_status_text = NULL;
649uschar *dmarc_tld_file = NULL;
650uschar *dmarc_used_domain = NULL;
651BOOL dmarc_disable_verify = FALSE;
652BOOL dmarc_enable_forensic = FALSE;
653#endif
654
655uschar *dns_again_means_nonexist = NULL;
656int dns_csa_search_limit = 5;
657BOOL dns_csa_use_reverse = TRUE;
658#ifdef EXPERIMENTAL_DANE
659int dns_dane_ok = -1;
660#endif
661uschar *dns_ipv4_lookup = NULL;
662int dns_retrans = 0;
663int dns_retry = 0;
664int dns_dnssec_ok = -1; /* <0 = not coerced */
665uschar *dns_trust_aa = NULL;
666int dns_use_edns0 = -1; /* <0 = not coerced */
667uschar *dnslist_domain = NULL;
668uschar *dnslist_matched = NULL;
669uschar *dnslist_text = NULL;
670uschar *dnslist_value = NULL;
671tree_node *domainlist_anchor = NULL;
672int domainlist_count = 0;
673BOOL dont_deliver = FALSE;
674BOOL dot_ends = TRUE;
675BOOL drop_cr = FALSE; /* No longer used */
676uschar *dsn_from = US DEFAULT_DSN_FROM;
677
678BOOL enable_dollar_recipients = FALSE;
679BOOL envelope_to_remove = TRUE;
680int errno_quota = ERRNO_QUOTA;
681uschar *errors_copy = NULL;
682int error_handling = ERRORS_SENDER;
683uschar *errors_reply_to = NULL;
684int errors_sender_rc = EXIT_FAILURE;
685#ifdef EXPERIMENTAL_EVENT
686uschar *event_action = NULL; /* expansion for delivery events */
687uschar *event_data = NULL; /* auxilary data variable for event */
688int event_defer_errno = 0;
689const uschar *event_name = NULL; /* event name variable */
690#endif
691
692
693gid_t exim_gid = EXIM_GID;
694BOOL exim_gid_set = TRUE; /* This gid is always set */
695uschar *exim_path = US BIN_DIRECTORY "/exim"
696 "\0<---------------Space to patch exim_path->";
697uid_t exim_uid = EXIM_UID;
698BOOL exim_uid_set = TRUE; /* This uid is always set */
699int expand_forbid = 0;
700int expand_nlength[EXPAND_MAXN+1];
701int expand_nmax = -1;
702uschar *expand_nstring[EXPAND_MAXN+1];
703BOOL expand_string_forcedfail = FALSE;
704uschar *expand_string_message;
705BOOL extract_addresses_remove_arguments = TRUE;
706uschar *extra_local_interfaces = NULL;
707
708int fake_response = OK;
709uschar *fake_response_text = US"Your message has been rejected but is "
710 "being kept for evaluation.\nIf it was a "
711 "legitimate message, it may still be "
712 "delivered to the target recipient(s).";
713int filter_n[FILTER_VARIABLE_COUNT];
714BOOL filter_running = FALSE;
715int filter_sn[FILTER_VARIABLE_COUNT];
716int filter_test = FTEST_NONE;
717uschar *filter_test_sfile = NULL;
718uschar *filter_test_ufile = NULL;
719uschar *filter_thisaddress = NULL;
720int finduser_retries = 0;
721#ifdef WITH_OLD_DEMIME
722uschar *found_extension = NULL;
723#endif
724uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
725uschar *freeze_tell = NULL;
726uschar *freeze_tell_config = NULL;
727uschar *fudged_queue_times = US"";
728
729uschar *gecos_name = NULL;
730uschar *gecos_pattern = NULL;
731rewrite_rule *global_rewrite_rules = NULL;
732
733uschar *headers_charset = US HEADERS_CHARSET;
734int header_insert_maxlen = 64 * 1024;
735header_line *header_last = NULL;
736header_line *header_list = NULL;
737int header_maxsize = HEADER_MAXSIZE;
738int header_line_maxsize = 0;
739
740header_name header_names[] = {
741 { US"bcc", 3, TRUE, htype_bcc },
742 { US"cc", 2, TRUE, htype_cc },
743 { US"date", 4, TRUE, htype_date },
744 { US"delivery-date", 13, FALSE, htype_delivery_date },
745 { US"envelope-to", 11, FALSE, htype_envelope_to },
746 { US"from", 4, TRUE, htype_from },
747 { US"message-id", 10, TRUE, htype_id },
748 { US"received", 8, FALSE, htype_received },
749 { US"reply-to", 8, FALSE, htype_reply_to },
750 { US"return-path", 11, FALSE, htype_return_path },
751 { US"sender", 6, TRUE, htype_sender },
752 { US"subject", 7, FALSE, htype_subject },
753 { US"to", 2, TRUE, htype_to }
754};
755
756int header_names_size = sizeof(header_names)/sizeof(header_name);
757
758BOOL header_rewritten = FALSE;
759uschar *helo_accept_junk_hosts = NULL;
760uschar *helo_allow_chars = US"";
761uschar *helo_lookup_domains = US"@ : @[]";
762uschar *helo_try_verify_hosts = NULL;
763BOOL helo_verified = FALSE;
764BOOL helo_verify_failed = FALSE;
765uschar *helo_verify_hosts = NULL;
766const uschar *hex_digits = CUS"0123456789abcdef";
767uschar *hold_domains = NULL;
768BOOL host_checking = FALSE;
769BOOL host_checking_callout = FALSE;
770uschar *host_data = NULL;
771BOOL host_find_failed_syntax= FALSE;
772uschar *host_lookup = NULL;
773BOOL host_lookup_deferred = FALSE;
774BOOL host_lookup_failed = FALSE;
775uschar *host_lookup_order = US"bydns:byaddr";
776uschar *host_lookup_msg = US"";
777int host_number = 0;
778uschar *host_number_string = NULL;
779uschar *host_reject_connection = NULL;
780tree_node *hostlist_anchor = NULL;
781int hostlist_count = 0;
782uschar *hosts_treat_as_local = NULL;
783uschar *hosts_connection_nolog = NULL;
784
785int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
786BOOL ignore_fromline_local = FALSE;
787uschar *ignore_fromline_hosts = NULL;
788BOOL inetd_wait_mode = FALSE;
789int inetd_wait_timeout = -1;
790uschar *interface_address = NULL;
791int interface_port = -1;
792BOOL is_inetd = FALSE;
793uschar *iterate_item = NULL;
794
795int journal_fd = -1;
796
797int keep_malformed = 4*24*60*60; /* 4 days */
798
799uschar *eldap_dn = NULL;
800int load_average = -2;
801BOOL local_error_message = FALSE;
802BOOL local_from_check = TRUE;
803uschar *local_from_prefix = NULL;
804uschar *local_from_suffix = NULL;
805
806#if HAVE_IPV6
807uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
808#else
809uschar *local_interfaces = US"0.0.0.0";
810#endif
811
812uschar *local_scan_data = NULL;
813int local_scan_timeout = 5*60;
814BOOL local_sender_retain = FALSE;
815gid_t local_user_gid = (gid_t)(-1);
816uid_t local_user_uid = (uid_t)(-1);
817
818tree_node *localpartlist_anchor= NULL;
819int localpartlist_count = 0;
820uschar *log_buffer = NULL;
821
822int log_default[] = { /* for initializing log_selector */
823 Li_acl_warn_skipped,
824 Li_connection_reject,
825 Li_delay_delivery,
826 Li_dnslist_defer,
827 Li_etrn,
828 Li_host_lookup_failed,
829 Li_lost_incoming_connection,
830 Li_outgoing_interface, /* see d_log_interface in deliver.c */
831 Li_queue_run,
832 Li_rejected_header,
833 Li_retry_defer,
834 Li_sender_verify_fail,
835 Li_size_reject,
836 Li_skip_delivery,
837 Li_smtp_confirmation,
838 Li_tls_certificate_verified,
839 Li_tls_cipher,
840 -1
841};
842
843uschar *log_file_path = US LOG_FILE_PATH
844 "\0<--------------Space to patch log_file_path->";
845
846int log_notall[] = {
847 -1
848};
849bit_table log_options[] = { /* must be in alphabetical order */
850 BIT_TABLE(L, 8bitmime),
851 BIT_TABLE(L, acl_warn_skipped),
852 BIT_TABLE(L, address_rewrite),
853 BIT_TABLE(L, all),
854 BIT_TABLE(L, all_parents),
855 BIT_TABLE(L, arguments),
856 BIT_TABLE(L, connection_reject),
857 BIT_TABLE(L, delay_delivery),
858 BIT_TABLE(L, deliver_time),
859 BIT_TABLE(L, delivery_size),
860 BIT_TABLE(L, dnslist_defer),
861 BIT_TABLE(L, etrn),
862 BIT_TABLE(L, host_lookup_failed),
863 BIT_TABLE(L, ident_timeout),
864 BIT_TABLE(L, incoming_interface),
865 BIT_TABLE(L, incoming_port),
866 BIT_TABLE(L, lost_incoming_connection),
867 BIT_TABLE(L, outgoing_interface),
868 BIT_TABLE(L, outgoing_port),
869 BIT_TABLE(L, pid),
870#ifdef EXPERIMENTAL_PROXY
871 BIT_TABLE(L, proxy),
872#endif
873 BIT_TABLE(L, queue_run),
874 BIT_TABLE(L, queue_time),
875 BIT_TABLE(L, queue_time_overall),
876 BIT_TABLE(L, received_recipients),
877 BIT_TABLE(L, received_sender),
878 BIT_TABLE(L, rejected_header),
879 { US"rejected_headers", Li_rejected_header },
880 BIT_TABLE(L, retry_defer),
881 BIT_TABLE(L, return_path_on_delivery),
882 BIT_TABLE(L, sender_on_delivery),
883 BIT_TABLE(L, sender_verify_fail),
884 BIT_TABLE(L, size_reject),
885 BIT_TABLE(L, skip_delivery),
886 BIT_TABLE(L, smtp_confirmation),
887 BIT_TABLE(L, smtp_connection),
888 BIT_TABLE(L, smtp_incomplete_transaction),
889 BIT_TABLE(L, smtp_mailauth),
890 BIT_TABLE(L, smtp_no_mail),
891 BIT_TABLE(L, smtp_protocol_error),
892 BIT_TABLE(L, smtp_syntax_error),
893 BIT_TABLE(L, subject),
894 BIT_TABLE(L, tls_certificate_verified),
895 BIT_TABLE(L, tls_cipher),
896 BIT_TABLE(L, tls_peerdn),
897 BIT_TABLE(L, tls_sni),
898 BIT_TABLE(L, unknown_in_list),
899};
900int log_options_count = nelem(log_options);
901
902int log_reject_target = 0;
903unsigned int log_selector[log_selector_size]; /* initialized in main() */
904uschar *log_selector_string = NULL;
905FILE *log_stderr = NULL;
906BOOL log_testing_mode = FALSE;
907BOOL log_timezone = FALSE;
908uschar *login_sender_address = NULL;
909uschar *lookup_dnssec_authenticated = NULL;
910int lookup_open_max = 25;
911uschar *lookup_value = NULL;
912
913macro_item *macros = NULL;
914uschar *mailstore_basename = NULL;
915#ifdef WITH_CONTENT_SCAN
916uschar *malware_name = NULL; /* Virus Name */
917#endif
918int max_received_linelength= 0;
919int max_username_length = 0;
920int message_age = 0;
921uschar *message_body = NULL;
922uschar *message_body_end = NULL;
923BOOL message_body_newlines = FALSE;
924int message_body_size = 0;
925int message_body_visible = 500;
926int message_ended = END_NOTSTARTED;
927uschar *message_headers = NULL;
928uschar *message_id;
929uschar *message_id_domain = NULL;
930uschar *message_id_text = NULL;
931struct timeval message_id_tv = { 0, 0 };
932uschar message_id_option[MESSAGE_ID_LENGTH + 3];
933uschar *message_id_external;
934int message_linecount = 0;
935BOOL message_logs = TRUE;
936int message_size = 0;
937uschar *message_size_limit = US"50M";
938#ifdef EXPERIMENTAL_INTERNATIONAL
939BOOL message_smtputf8 = FALSE;
940int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
941#endif
942uschar message_subdir[2] = { 0, 0 };
943uschar *message_reference = NULL;
944
945/* MIME ACL expandables */
946#ifdef WITH_CONTENT_SCAN
947int mime_anomaly_level = 0;
948const uschar *mime_anomaly_text = NULL;
949uschar *mime_boundary = NULL;
950uschar *mime_charset = NULL;
951uschar *mime_content_description = NULL;
952uschar *mime_content_disposition = NULL;
953uschar *mime_content_id = NULL;
954unsigned int mime_content_size = 0;
955uschar *mime_content_transfer_encoding = NULL;
956uschar *mime_content_type = NULL;
957uschar *mime_decoded_filename = NULL;
958uschar *mime_filename = NULL;
959int mime_is_multipart = 0;
960int mime_is_coverletter = 0;
961int mime_is_rfc822 = 0;
962int mime_part_count = -1;
963#endif
964
965BOOL mua_wrapper = FALSE;
966
967uid_t *never_users = NULL;
968#ifdef WITH_CONTENT_SCAN
969BOOL no_mbox_unspool = FALSE;
970#endif
971BOOL no_multiline_responses = FALSE;
972
973uid_t original_euid;
974gid_t originator_gid;
975uschar *originator_login = NULL;
976uschar *originator_name = NULL;
977uid_t originator_uid;
978uschar *override_local_interfaces = NULL;
979uschar *override_pid_file_path = NULL;
980
981BOOL parse_allow_group = FALSE;
982BOOL parse_found_group = FALSE;
983uschar *percent_hack_domains = NULL;
984uschar *pid_file_path = US PID_FILE_PATH
985 "\0<--------------Space to patch pid_file_path->";
986BOOL pipelining_enable = TRUE;
987uschar *pipelining_advertise_hosts = US"*";
988BOOL preserve_message_logs = FALSE;
989uschar *primary_hostname = NULL;
990BOOL print_topbitchars = FALSE;
991uschar process_info[PROCESS_INFO_SIZE];
992int process_info_len = 0;
993uschar *process_log_path = NULL;
994BOOL prod_requires_admin = TRUE;
995
996#ifdef EXPERIMENTAL_PROXY
997uschar *proxy_host_address = US"";
998int proxy_host_port = 0;
999uschar *proxy_required_hosts = US"";
1000BOOL proxy_session = FALSE;
1001BOOL proxy_session_failed = FALSE;
1002uschar *proxy_target_address = US"";
1003int proxy_target_port = 0;
1004#endif
1005
1006uschar *prvscheck_address = NULL;
1007uschar *prvscheck_keynum = NULL;
1008uschar *prvscheck_result = NULL;
1009
1010
1011const uschar *qualify_domain_recipient = NULL;
1012uschar *qualify_domain_sender = NULL;
1013BOOL queue_2stage = FALSE;
1014uschar *queue_domains = NULL;
1015int queue_interval = -1;
1016BOOL queue_list_requires_admin = TRUE;
1017BOOL queue_only = FALSE;
1018uschar *queue_only_file = NULL;
1019int queue_only_load = -1;
1020BOOL queue_only_load_latch = TRUE;
1021BOOL queue_only_override = TRUE;
1022BOOL queue_only_policy = FALSE;
1023BOOL queue_run_first_delivery = FALSE;
1024BOOL queue_run_force = FALSE;
1025BOOL queue_run_in_order = FALSE;
1026BOOL queue_run_local = FALSE;
1027int queue_run_max = 5;
1028pid_t queue_run_pid = (pid_t)0;
1029int queue_run_pipe = -1;
1030BOOL queue_running = FALSE;
1031BOOL queue_smtp = FALSE;
1032uschar *queue_smtp_domains = NULL;
1033
1034unsigned int random_seed = 0;
1035tree_node *ratelimiters_cmd = NULL;
1036tree_node *ratelimiters_conn = NULL;
1037tree_node *ratelimiters_mail = NULL;
1038uschar *raw_active_hostname = NULL;
1039uschar *raw_sender = NULL;
1040uschar **raw_recipients = NULL;
1041int raw_recipients_count = 0;
1042
1043int rcpt_count = 0;
1044int rcpt_fail_count = 0;
1045int rcpt_defer_count = 0;
1046gid_t real_gid;
1047uid_t real_uid;
1048BOOL really_exim = TRUE;
1049BOOL receive_call_bombout = FALSE;
1050int receive_linecount = 0;
1051int receive_messagecount = 0;
1052int receive_timeout = 0;
1053int received_count = 0;
1054uschar *received_for = NULL;
1055
1056/* This is the default text for Received headers generated by Exim. The
1057date will be automatically added on the end. */
1058
1059uschar *received_header_text = US
1060 "Received: "
1061 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1062 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1063 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1064 "by $primary_hostname "
1065 "${if def:received_protocol {with $received_protocol}} "
1066 #ifdef SUPPORT_TLS
1067 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1068 #endif
1069 "(Exim $version_number)\n\t"
1070 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1071 "id $message_exim_id"
1072 "${if def:received_for {\n\tfor $received_for}}"
1073 "\0<---------------Space to patch received_header_text->";
1074
1075int received_headers_max = 30;
1076uschar *received_protocol = NULL;
1077int received_time = 0;
1078uschar *recipient_data = NULL;
1079uschar *recipient_unqualified_hosts = NULL;
1080uschar *recipient_verify_failure = NULL;
1081int recipients_count = 0;
1082BOOL recipients_discarded = FALSE;
1083recipient_item *recipients_list = NULL;
1084int recipients_list_max = 0;
1085int recipients_max = 0;
1086BOOL recipients_max_reject = FALSE;
1087const pcre *regex_AUTH = NULL;
1088const pcre *regex_check_dns_names = NULL;
1089const pcre *regex_From = NULL;
1090const pcre *regex_IGNOREQUOTA = NULL;
1091const pcre *regex_PIPELINING = NULL;
1092const pcre *regex_SIZE = NULL;
1093const pcre *regex_smtp_code = NULL;
1094const pcre *regex_ismsgid = NULL;
1095#ifdef WHITELIST_D_MACROS
1096const pcre *regex_whitelisted_macro = NULL;
1097#endif
1098#ifdef WITH_CONTENT_SCAN
1099uschar *regex_match_string = NULL;
1100#endif
1101int remote_delivery_count = 0;
1102int remote_max_parallel = 2;
1103uschar *remote_sort_domains = NULL;
1104int retry_data_expire = 7*24*60*60;
1105int retry_interval_max = 24*60*60;
1106int retry_maximum_timeout = 0; /* set from retry config */
1107retry_config *retries = NULL;
1108uschar *return_path = NULL;
1109BOOL return_path_remove = TRUE;
1110int rewrite_existflags = 0;
1111uschar *rfc1413_hosts = US"@[]";
1112int rfc1413_query_timeout = 0;
1113/* BOOL rfc821_domains = FALSE; <<< on the way out */
1114uid_t root_gid = ROOT_GID;
1115uid_t root_uid = ROOT_UID;
1116
1117router_instance *routers = NULL;
1118router_instance router_defaults = {
1119 NULL, /* chain pointer */
1120 NULL, /* name */
1121 NULL, /* info */
1122 NULL, /* private options block pointer */
1123 NULL, /* driver name */
1124
1125 NULL, /* address_data */
1126#ifdef EXPERIMENTAL_BRIGHTMAIL
1127 NULL, /* bmi_rule */
1128#endif
1129 NULL, /* cannot_route_message */
1130 NULL, /* condition */
1131 NULL, /* current_directory */
1132 NULL, /* debug_string */
1133 NULL, /* domains */
1134 NULL, /* errors_to */
1135 NULL, /* expand_gid */
1136 NULL, /* expand_uid */
1137 NULL, /* expand_more */
1138 NULL, /* expand_unseen */
1139 NULL, /* extra_headers */
1140 NULL, /* fallback_hosts */
1141 NULL, /* home_directory */
1142 NULL, /* ignore_target_hosts */
1143 NULL, /* local_parts */
1144 NULL, /* pass_router_name */
1145 NULL, /* prefix */
1146 NULL, /* redirect_router_name */
1147 NULL, /* remove_headers */
1148 NULL, /* require_files */
1149 NULL, /* router_home_directory */
1150 US"freeze", /* self */
1151 NULL, /* senders */
1152 NULL, /* suffix */
1153 NULL, /* translate_ip_address */
1154 NULL, /* transport_name */
1155
1156 TRUE, /* address_test */
1157#ifdef EXPERIMENTAL_BRIGHTMAIL
1158 FALSE, /* bmi_deliver_alternate */
1159 FALSE, /* bmi_deliver_default */
1160 FALSE, /* bmi_dont_deliver */
1161#endif
1162 TRUE, /* expn */
1163 FALSE, /* caseful_local_part */
1164 FALSE, /* check_local_user */
1165 FALSE, /* disable_logging */
1166 FALSE, /* fail_verify_recipient */
1167 FALSE, /* fail_verify_sender */
1168 FALSE, /* gid_set */
1169 FALSE, /* initgroups */
1170 TRUE_UNSET, /* log_as_local */
1171 TRUE, /* more */
1172 FALSE, /* pass_on_timeout */
1173 FALSE, /* prefix_optional */
1174 TRUE, /* repeat_use */
1175 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1176 FALSE, /* same_domain_copy_routing */
1177 FALSE, /* self_rewrite */
1178 FALSE, /* suffix_optional */
1179 FALSE, /* verify_only */
1180 TRUE, /* verify_recipient */
1181 TRUE, /* verify_sender */
1182 FALSE, /* uid_set */
1183 FALSE, /* unseen */
1184 FALSE, /* dsn_lasthop */
1185
1186 self_freeze, /* self_code */
1187 (uid_t)(-1), /* uid */
1188 (gid_t)(-1), /* gid */
1189
1190 NULL, /* fallback_hostlist */
1191 NULL, /* transport instance */
1192 NULL, /* pass_router */
1193 NULL, /* redirect_router */
1194
1195 { NULL, NULL }, /* dnssec_domains {require,request} */
1196};
1197
1198uschar *router_name = NULL;
1199
1200ip_address_item *running_interfaces = NULL;
1201BOOL running_in_test_harness = FALSE;
1202
1203/* This is a weird one. The following string gets patched in the binary by the
1204script that sets up a copy of Exim for running in the test harness. It seems
1205that compilers are now clever, and share constant strings if they can.
1206Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1207make use of the end of this string in order to save space. So the patching then
1208wrecks this. We defeat this optimization by adding some additional characters
1209onto the end of the string. */
1210
1211uschar *running_status = US">>>running<<<" "\0EXTRA";
1212
1213int runrc = 0;
1214
1215uschar *search_error_message = NULL;
1216BOOL search_find_defer = FALSE;
1217uschar *self_hostname = NULL;
1218uschar *sender_address = NULL;
1219unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1220uschar *sender_address_data = NULL;
1221BOOL sender_address_forced = FALSE;
1222uschar *sender_address_unrewritten = NULL;
1223uschar *sender_data = NULL;
1224unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1225uschar *sender_fullhost = NULL;
1226BOOL sender_helo_dnssec = FALSE;
1227uschar *sender_helo_name = NULL;
1228uschar **sender_host_aliases = &no_aliases;
1229uschar *sender_host_address = NULL;
1230uschar *sender_host_authenticated = NULL;
1231unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1232BOOL sender_host_dnssec = FALSE;
1233uschar *sender_host_name = NULL;
1234int sender_host_port = 0;
1235BOOL sender_host_notsocket = FALSE;
1236BOOL sender_host_unknown = FALSE;
1237uschar *sender_ident = NULL;
1238BOOL sender_local = FALSE;
1239BOOL sender_name_forced = FALSE;
1240uschar *sender_rate = NULL;
1241uschar *sender_rate_limit = NULL;
1242uschar *sender_rate_period = NULL;
1243uschar *sender_rcvhost = NULL;
1244BOOL sender_set_untrusted = FALSE;
1245uschar *sender_unqualified_hosts = NULL;
1246uschar *sender_verify_failure = NULL;
1247address_item *sender_verified_list = NULL;
1248address_item *sender_verified_failed = NULL;
1249int sender_verified_rc = -1;
1250BOOL sender_verified_responded = FALSE;
1251uschar *sending_ip_address = NULL;
1252int sending_port = -1;
1253SIGNAL_BOOL sigalrm_seen = FALSE;
1254uschar **sighup_argv = NULL;
1255int slow_lookup_log = 0; /* millisecs, zero disables */
1256int smtp_accept_count = 0;
1257BOOL smtp_accept_keepalive = TRUE;
1258int smtp_accept_max = 20;
1259int smtp_accept_max_nonmail= 10;
1260uschar *smtp_accept_max_nonmail_hosts = US"*";
1261int smtp_accept_max_per_connection = 1000;
1262uschar *smtp_accept_max_per_host = NULL;
1263int smtp_accept_queue = 0;
1264int smtp_accept_queue_per_connection = 10;
1265int smtp_accept_reserve = 0;
1266uschar *smtp_active_hostname = NULL;
1267BOOL smtp_authenticated = FALSE;
1268uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1269 "Exim $version_number $tod_full"
1270 "\0<---------------Space to patch smtp_banner->";
1271BOOL smtp_batched_input = FALSE;
1272BOOL smtp_check_spool_space = TRUE;
1273int smtp_ch_index = 0;
1274uschar *smtp_cmd_argument = NULL;
1275uschar *smtp_cmd_buffer = NULL;
1276time_t smtp_connection_start = 0;
1277uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1278int smtp_connect_backlog = 20;
1279double smtp_delay_mail = 0.0;
1280double smtp_delay_rcpt = 0.0;
1281BOOL smtp_enforce_sync = TRUE;
1282FILE *smtp_in = NULL;
1283BOOL smtp_input = FALSE;
1284int smtp_load_reserve = -1;
1285int smtp_mailcmd_count = 0;
1286FILE *smtp_out = NULL;
1287uschar *smtp_etrn_command = NULL;
1288BOOL smtp_etrn_serialize = TRUE;
1289int smtp_max_synprot_errors= 3;
1290int smtp_max_unknown_commands = 3;
1291uschar *smtp_notquit_reason = NULL;
1292uschar *smtp_ratelimit_hosts = NULL;
1293uschar *smtp_ratelimit_mail = NULL;
1294uschar *smtp_ratelimit_rcpt = NULL;
1295uschar *smtp_read_error = US"";
1296int smtp_receive_timeout = 5*60;
1297uschar *smtp_receive_timeout_s = NULL;
1298uschar *smtp_reserve_hosts = NULL;
1299BOOL smtp_return_error_details = FALSE;
1300int smtp_rlm_base = 0;
1301double smtp_rlm_factor = 0.0;
1302int smtp_rlm_limit = 0;
1303int smtp_rlm_threshold = INT_MAX;
1304int smtp_rlr_base = 0;
1305double smtp_rlr_factor = 0.0;
1306int smtp_rlr_limit = 0;
1307int smtp_rlr_threshold = INT_MAX;
1308BOOL smtp_use_pipelining = FALSE;
1309BOOL smtp_use_size = FALSE;
1310#ifdef EXPERIMENTAL_INTERNATIONAL
1311uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1312#endif
1313
1314#ifdef WITH_CONTENT_SCAN
1315uschar *spamd_address = US"127.0.0.1 783";
1316uschar *spam_bar = NULL;
1317uschar *spam_report = NULL;
1318uschar *spam_action = NULL;
1319uschar *spam_score = NULL;
1320uschar *spam_score_int = NULL;
1321#endif
1322#ifdef EXPERIMENTAL_SPF
1323uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1324uschar *spf_header_comment = NULL;
1325uschar *spf_received = NULL;
1326uschar *spf_result = NULL;
1327uschar *spf_smtp_comment = NULL;
1328#endif
1329
1330BOOL split_spool_directory = FALSE;
1331uschar *spool_directory = US SPOOL_DIRECTORY
1332 "\0<--------------Space to patch spool_directory->";
1333#ifdef EXPERIMENTAL_SRS
1334uschar *srs_config = NULL;
1335uschar *srs_db_address = NULL;
1336uschar *srs_db_key = NULL;
1337int srs_hashlength = 6;
1338int srs_hashmin = -1;
1339int srs_maxage = 31;
1340uschar *srs_orig_recipient = NULL;
1341uschar *srs_orig_sender = NULL;
1342uschar *srs_recipient = NULL;
1343uschar *srs_secrets = NULL;
1344uschar *srs_status = NULL;
1345BOOL srs_usehash = TRUE;
1346BOOL srs_usetimestamp = TRUE;
1347#endif
1348BOOL strict_acl_vars = FALSE;
1349int string_datestamp_offset= -1;
1350int string_datestamp_length= 0;
1351int string_datestamp_type = -1;
1352BOOL strip_excess_angle_brackets = FALSE;
1353BOOL strip_trailing_dot = FALSE;
1354uschar *submission_domain = NULL;
1355BOOL submission_mode = FALSE;
1356uschar *submission_name = NULL;
1357BOOL suppress_local_fixups = FALSE;
1358BOOL suppress_local_fixups_default = FALSE;
1359BOOL synchronous_delivery = FALSE;
1360BOOL syslog_duplication = TRUE;
1361int syslog_facility = LOG_MAIL;
1362uschar *syslog_processname = US"exim";
1363BOOL syslog_timestamp = TRUE;
1364uschar *system_filter = NULL;
1365
1366uschar *system_filter_directory_transport = NULL;
1367uschar *system_filter_file_transport = NULL;
1368uschar *system_filter_pipe_transport = NULL;
1369uschar *system_filter_reply_transport = NULL;
1370
1371gid_t system_filter_gid = 0;
1372BOOL system_filter_gid_set = FALSE;
1373uid_t system_filter_uid = (uid_t)-1;
1374BOOL system_filter_uid_set = FALSE;
1375BOOL system_filtering = FALSE;
1376
1377BOOL tcp_nodelay = TRUE;
1378#ifdef USE_TCP_WRAPPERS
1379uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1380#endif
1381int test_harness_load_avg = 0;
1382int thismessage_size_limit = 0;
1383int timeout_frozen_after = 0;
1384BOOL timestamps_utc = FALSE;
1385
1386transport_instance *transports = NULL;
1387
1388transport_instance transport_defaults = {
1389 NULL, /* chain pointer */
1390 NULL, /* name */
1391 NULL, /* info */
1392 NULL, /* private options block pointer */
1393 NULL, /* driver name */
1394 NULL, /* setup entry point */
1395 1, /* batch_max */
1396 NULL, /* batch_id */
1397 NULL, /* home_dir */
1398 NULL, /* current_dir */
1399 NULL, /* expand-multi-domain */
1400 TRUE, /* multi-domain */
1401 FALSE, /* overrides_hosts */
1402 100, /* max_addresses */
1403 500, /* connection_max_messages */
1404 FALSE, /* deliver_as_creator */
1405 FALSE, /* disable_logging */
1406 FALSE, /* initgroups */
1407 FALSE, /* uid_set */
1408 FALSE, /* gid_set */
1409 (uid_t)(-1), /* uid */
1410 (gid_t)(-1), /* gid */
1411 NULL, /* expand_uid */
1412 NULL, /* expand_gid */
1413 NULL, /* warn_message */
1414 NULL, /* shadow */
1415 NULL, /* shadow_condition */
1416 NULL, /* filter_command */
1417 NULL, /* add_headers */
1418 NULL, /* remove_headers */
1419 NULL, /* return_path */
1420 NULL, /* debug_string */
1421 NULL, /* message_size_limit */
1422 NULL, /* headers_rewrite */
1423 NULL, /* rewrite_rules */
1424 0, /* rewrite_existflags */
1425 300, /* filter_timeout */
1426 FALSE, /* body_only */
1427 FALSE, /* delivery_date_add */
1428 FALSE, /* envelope_to_add */
1429 FALSE, /* headers_only */
1430 FALSE, /* rcpt_include_affixes */
1431 FALSE, /* return_path_add */
1432 FALSE, /* return_output */
1433 FALSE, /* return_fail_output */
1434 FALSE, /* log_output */
1435 FALSE, /* log_fail_output */
1436 FALSE, /* log_defer_output */
1437 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1438 1 nor 0 so can detect unset */
1439#ifdef EXPERIMENTAL_EVENT
1440 ,NULL /* event_action */
1441#endif
1442};
1443
1444int transport_count;
1445uschar *transport_name = NULL;
1446int transport_newlines;
1447const uschar **transport_filter_argv = NULL;
1448int transport_filter_timeout;
1449BOOL transport_filter_timed_out = FALSE;
1450int transport_write_timeout= 0;
1451
1452tree_node *tree_dns_fails = NULL;
1453tree_node *tree_duplicates = NULL;
1454tree_node *tree_nonrecipients = NULL;
1455tree_node *tree_unusable = NULL;
1456
1457BOOL trusted_caller = FALSE;
1458BOOL trusted_config = TRUE;
1459gid_t *trusted_groups = NULL;
1460uid_t *trusted_users = NULL;
1461uschar *timezone_string = US TIMEZONE_DEFAULT;
1462
1463uschar *unknown_login = NULL;
1464uschar *unknown_username = NULL;
1465uschar *untrusted_set_sender = NULL;
1466
1467/* A regex for matching a "From_" line in an incoming message, in the form
1468
1469 From ph10 Fri Jan 5 12:35 GMT 1996
1470
1471which the "mail" commands send to the MTA (undocumented, of course), or in
1472the form
1473
1474 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1475
1476which is apparently used by some UUCPs, despite it not being in RFC 976.
1477Because of variations in time formats, just match up to the minutes. That
1478should be sufficient. Examples have been seen of time fields like 12:1:03,
1479so just require one digit for hours and minutes. The weekday is also absent
1480in some forms. */
1481
1482uschar *uucp_from_pattern = US
1483 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1484 "(?:" /* Non-extracting bracket */
1485 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1486 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1487 ")" /* End alternation */
1488 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1489
1490uschar *uucp_from_sender = US"$1";
1491
1492uschar *verify_mode = NULL;
1493uschar *version_copyright =
1494 US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1495 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1496uschar *version_date = US"?";
1497uschar *version_cnumber = US"????";
1498uschar *version_string = US"?";
1499
1500uschar *warn_message_file = NULL;
1501int warning_count = 0;
1502uschar *warnmsg_delay = NULL;
1503uschar *warnmsg_recipients = NULL;
1504BOOL write_rejectlog = TRUE;
1505
1506
1507/* End of globals.c */
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