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Add compile-time guard against BDB library version 6
[exim.git] / src / src / globals.c
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1/*************************************************
2* Exim - an Internet mail transport agent *
3*************************************************/
4
5/* Copyright (c) University of Cambridge 1995 - 2017 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = nelem(optionlist_auths);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52BOOL opt_perl_taintmode = FALSE;
53#endif
54
55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
69uschar *eldap_default_servers = NULL;
70uschar *eldap_require_cert = NULL;
71int eldap_version = -1;
72BOOL eldap_start_tls = FALSE;
73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
87#ifdef LOOKUP_REDIS
88uschar *redis_servers = NULL;
89#endif
90
91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
102
103tls_support tls_in = {
104 .active = -1,
105 .bits = 0,
106 .certificate_verified = FALSE,
107#ifdef EXPERIMENTAL_DANE
108 .dane_verified = FALSE,
109 .tlsa_usage = 0,
110#endif
111 .cipher = NULL,
112 .on_connect = FALSE,
113 .on_connect_ports = NULL,
114 .ourcert = NULL,
115 .peercert = NULL,
116 .peerdn = NULL,
117 .sni = NULL,
118 .ocsp = OCSP_NOT_REQ
119};
120tls_support tls_out = {
121 .active = -1,
122 .bits = 0,
123 .certificate_verified = FALSE,
124#ifdef EXPERIMENTAL_DANE
125 .dane_verified = FALSE,
126 .tlsa_usage = 0,
127#endif
128 .cipher = NULL,
129 .on_connect = FALSE,
130 .on_connect_ports = NULL,
131 .ourcert = NULL,
132 .peercert = NULL,
133 .peerdn = NULL,
134 .sni = NULL,
135 .ocsp = OCSP_NOT_REQ
136};
137
138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
141uschar *dsn_advertise_hosts = NULL;
142
143#ifdef SUPPORT_TLS
144BOOL gnutls_compat_mode = FALSE;
145BOOL gnutls_allow_auto_pkcs11 = FALSE;
146uschar *openssl_options = NULL;
147const pcre *regex_STARTTLS = NULL;
148uschar *tls_advertise_hosts = US"*";
149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
155uschar *tls_dhparam = NULL;
156uschar *tls_eccurve = US"auto";
157# ifndef DISABLE_OCSP
158uschar *tls_ocsp_file = NULL;
159# endif
160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
164uschar *tls_verify_certificates= US"system";
165uschar *tls_verify_hosts = NULL;
166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
168#endif
169
170#ifndef DISABLE_PRDR
171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
176
177#ifdef SUPPORT_I18N
178const pcre *regex_UTF8 = NULL;
179#endif
180
181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
185#if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
186int (*lwr_receive_getc)(unsigned) = stdin_getc;
187uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
188int (*lwr_receive_ungetc)(int) = stdin_ungetc;
189int (*receive_getc)(unsigned) = stdin_getc;
190uschar * (*receive_getbuf)(unsigned *) = NULL;
191void (*receive_get_cache)(void)= NULL;
192int (*receive_ungetc)(int) = stdin_ungetc;
193int (*receive_feof)(void) = stdin_feof;
194int (*receive_ferror)(void) = stdin_ferror;
195BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
196#endif
197
198
199/* List of per-address expansion variables for clearing and saving/restoring
200when verifying one address while routing/verifying another. We have to have
201the size explicit, because it is referenced from more than one module. */
202
203const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
204 CUSS &deliver_address_data,
205 CUSS &deliver_domain,
206 CUSS &deliver_domain_data,
207 CUSS &deliver_domain_orig,
208 CUSS &deliver_domain_parent,
209 CUSS &deliver_localpart,
210 CUSS &deliver_localpart_data,
211 CUSS &deliver_localpart_orig,
212 CUSS &deliver_localpart_parent,
213 CUSS &deliver_localpart_prefix,
214 CUSS &deliver_localpart_suffix,
215 CUSS (uschar **)(&deliver_recipients),
216 CUSS &deliver_host,
217 CUSS &deliver_home,
218 CUSS &address_file,
219 CUSS &address_pipe,
220 CUSS &self_hostname,
221 NULL };
222
223int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
224
225/* General global variables */
226
227header_line *acl_added_headers = NULL;
228tree_node *acl_anchor = NULL;
229uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
230 NULL, NULL, NULL, NULL};
231int acl_narg = 0;
232
233int acl_level = 0;
234
235uschar *acl_not_smtp = NULL;
236#ifdef WITH_CONTENT_SCAN
237uschar *acl_not_smtp_mime = NULL;
238#endif
239uschar *acl_not_smtp_start = NULL;
240uschar *acl_removed_headers = NULL;
241uschar *acl_smtp_auth = NULL;
242uschar *acl_smtp_connect = NULL;
243uschar *acl_smtp_data = NULL;
244#ifndef DISABLE_PRDR
245uschar *acl_smtp_data_prdr = US"accept";
246#endif
247#ifndef DISABLE_DKIM
248uschar *acl_smtp_dkim = NULL;
249#endif
250uschar *acl_smtp_etrn = NULL;
251uschar *acl_smtp_expn = NULL;
252uschar *acl_smtp_helo = NULL;
253uschar *acl_smtp_mail = NULL;
254uschar *acl_smtp_mailauth = NULL;
255#ifdef WITH_CONTENT_SCAN
256uschar *acl_smtp_mime = NULL;
257#endif
258uschar *acl_smtp_notquit = NULL;
259uschar *acl_smtp_predata = NULL;
260uschar *acl_smtp_quit = NULL;
261uschar *acl_smtp_rcpt = NULL;
262uschar *acl_smtp_starttls = NULL;
263uschar *acl_smtp_vrfy = NULL;
264
265BOOL acl_temp_details = FALSE;
266tree_node *acl_var_c = NULL;
267tree_node *acl_var_m = NULL;
268uschar *acl_verify_message = NULL;
269string_item *acl_warn_logged = NULL;
270
271/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
272error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
273
274uschar *acl_wherenames[] = { US"RCPT",
275 US"MAIL",
276 US"PREDATA",
277 US"MIME",
278 US"DKIM",
279 US"DATA",
280#ifndef DISABLE_PRDR
281 US"PRDR",
282#endif
283 US"non-SMTP",
284 US"AUTH",
285 US"connection",
286 US"ETRN",
287 US"EXPN",
288 US"EHLO or HELO",
289 US"MAILAUTH",
290 US"non-SMTP-start",
291 US"NOTQUIT",
292 US"QUIT",
293 US"STARTTLS",
294 US"VRFY",
295 US"delivery",
296 US"unknown"
297 };
298
299uschar *acl_wherecodes[] = { US"550", /* RCPT */
300 US"550", /* MAIL */
301 US"550", /* PREDATA */
302 US"550", /* MIME */
303 US"550", /* DKIM */
304 US"550", /* DATA */
305#ifndef DISABLE_PRDR
306 US"550", /* RCPT PRDR */
307#endif
308 US"0", /* not SMTP; not relevant */
309 US"503", /* AUTH */
310 US"550", /* connect */
311 US"458", /* ETRN */
312 US"550", /* EXPN */
313 US"550", /* HELO/EHLO */
314 US"0", /* MAILAUTH; not relevant */
315 US"0", /* not SMTP; not relevant */
316 US"0", /* NOTQUIT; not relevant */
317 US"0", /* QUIT; not relevant */
318 US"550", /* STARTTLS */
319 US"252", /* VRFY */
320 US"0", /* delivery; not relevant */
321 US"0" /* unknown; not relevant */
322 };
323
324BOOL active_local_from_check = FALSE;
325BOOL active_local_sender_retain = FALSE;
326BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
327uschar *add_environment = NULL;
328address_item *addr_duplicate = NULL;
329
330address_item address_defaults = {
331 .next = NULL,
332 .parent = NULL,
333 .first = NULL,
334 .dupof = NULL,
335 .start_router = NULL,
336 .router = NULL,
337 .transport = NULL,
338 .host_list = NULL,
339 .host_used = NULL,
340 .fallback_hosts = NULL,
341 .reply = NULL,
342 .retries = NULL,
343 .address = NULL,
344 .unique = NULL,
345 .cc_local_part = NULL,
346 .lc_local_part = NULL,
347 .local_part = NULL,
348 .prefix = NULL,
349 .suffix = NULL,
350 .domain = NULL,
351 .address_retry_key = NULL,
352 .domain_retry_key = NULL,
353 .current_dir = NULL,
354 .home_dir = NULL,
355 .message = NULL,
356 .user_message = NULL,
357 .onetime_parent = NULL,
358 .pipe_expandn = NULL,
359 .return_filename = NULL,
360 .self_hostname = NULL,
361 .shadow_message = NULL,
362#ifdef SUPPORT_TLS
363 .cipher = NULL,
364 .ourcert = NULL,
365 .peercert = NULL,
366 .peerdn = NULL,
367 .ocsp = OCSP_NOT_REQ,
368#endif
369#ifdef EXPERIMENTAL_DSN_INFO
370 .smtp_greeting = NULL,
371 .helo_response = NULL,
372#endif
373 .authenticator = NULL,
374 .auth_id = NULL,
375 .auth_sndr = NULL,
376 .dsn_orcpt = NULL,
377 .dsn_flags = 0,
378 .dsn_aware = 0,
379 .uid = (uid_t)(-1),
380 .gid = (gid_t)(-1),
381 .flags = { 0 },
382 .domain_cache = { 0 }, /* domain_cache - any larger array should be zeroed */
383 .localpart_cache = { 0 }, /* localpart_cache - ditto */
384 .mode = -1,
385 .more_errno = 0,
386 .delivery_usec = 0,
387 .basic_errno = ERRNO_UNKNOWNERROR,
388 .child_count = 0,
389 .return_file = -1,
390 .special_action = SPECIAL_NONE,
391 .transport_return = DEFER,
392 .prop = { /* fields that are propagated to children */
393 .address_data = NULL,
394 .domain_data = NULL,
395 .localpart_data = NULL,
396 .errors_address = NULL,
397 .extra_headers = NULL,
398 .remove_headers = NULL,
399#ifdef EXPERIMENTAL_SRS
400 .srs_sender = NULL,
401#endif
402 .ignore_error = FALSE,
403#ifdef SUPPORT_I18N
404 .utf8_msg = FALSE,
405 .utf8_downcvt = FALSE,
406 .utf8_downcvt_maybe = FALSE
407#endif
408 }
409};
410
411uschar *address_file = NULL;
412uschar *address_pipe = NULL;
413BOOL address_test_mode = FALSE;
414tree_node *addresslist_anchor = NULL;
415int addresslist_count = 0;
416gid_t *admin_groups = NULL;
417BOOL admin_user = FALSE;
418BOOL allow_auth_unadvertised= FALSE;
419BOOL allow_domain_literals = FALSE;
420BOOL allow_mx_to_ip = FALSE;
421BOOL allow_unqualified_recipient = TRUE; /* For local messages */
422BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
423BOOL allow_utf8_domains = FALSE;
424uschar *authenticated_fail_id = NULL;
425uschar *authenticated_id = NULL;
426uschar *authenticated_sender = NULL;
427BOOL authentication_failed = FALSE;
428auth_instance *auths = NULL;
429uschar *auth_advertise_hosts = US"*";
430auth_instance auth_defaults = {
431 .next = NULL,
432 .name = NULL,
433 .info = NULL,
434 .options_block = NULL,
435 .driver_name = NULL,
436 .advertise_condition = NULL,
437 .client_condition = NULL,
438 .public_name = NULL,
439 .set_id = NULL,
440 .set_client_id = NULL,
441 .mail_auth_condition = NULL,
442 .server_debug_string = NULL,
443 .server_condition = NULL,
444 .client = FALSE,
445 .server = FALSE,
446 .advertised = FALSE
447};
448
449uschar *auth_defer_msg = US"reason not recorded";
450uschar *auth_defer_user_msg = US"";
451uschar *auth_vars[AUTH_VARS];
452int auto_thaw = 0;
453#ifdef WITH_CONTENT_SCAN
454BOOL av_failed = FALSE;
455uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
456#endif
457
458BOOL background_daemon = TRUE;
459
460#if BASE_62 == 62
461uschar *base62_chars=
462 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
463#else
464uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
465#endif
466
467uschar *bi_command = NULL;
468uschar *big_buffer = NULL;
469int big_buffer_size = BIG_BUFFER_SIZE;
470#ifdef EXPERIMENTAL_BRIGHTMAIL
471uschar *bmi_alt_location = NULL;
472uschar *bmi_base64_tracker_verdict = NULL;
473uschar *bmi_base64_verdict = NULL;
474uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
475int bmi_deliver = 1;
476int bmi_run = 0;
477uschar *bmi_verdicts = NULL;
478#endif
479int bsmtp_transaction_linecount = 0;
480int body_8bitmime = 0;
481int body_linecount = 0;
482int body_zerocount = 0;
483uschar *bounce_message_file = NULL;
484uschar *bounce_message_text = NULL;
485uschar *bounce_recipient = NULL;
486BOOL bounce_return_body = TRUE;
487int bounce_return_linesize_limit = 998;
488BOOL bounce_return_message = TRUE;
489int bounce_return_size_limit = 100*1024;
490uschar *bounce_sender_authentication = NULL;
491uschar *builtin_macros_create_trigger = NULL;
492
493uschar *callout_address = NULL;
494int callout_cache_domain_positive_expire = 7*24*60*60;
495int callout_cache_domain_negative_expire = 3*60*60;
496int callout_cache_positive_expire = 24*60*60;
497int callout_cache_negative_expire = 2*60*60;
498uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
499uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
500int check_log_inodes = 100;
501int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
502BOOL check_rfc2047_length = TRUE;
503int check_spool_inodes = 100;
504int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
505
506uschar *chunking_advertise_hosts = US"*";
507unsigned chunking_datasize = 0;
508unsigned chunking_data_left = 0;
509BOOL chunking_offered = FALSE;
510chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
511const pcre *regex_CHUNKING = NULL;
512
513uschar *client_authenticator = NULL;
514uschar *client_authenticated_id = NULL;
515uschar *client_authenticated_sender = NULL;
516int clmacro_count = 0;
517uschar *clmacros[MAX_CLMACROS];
518BOOL commandline_checks_require_admin = FALSE;
519BOOL config_changed = FALSE;
520FILE *config_file = NULL;
521const uschar *config_filename = NULL;
522int config_lineno = 0;
523#ifdef CONFIGURE_GROUP
524gid_t config_gid = CONFIGURE_GROUP;
525#else
526gid_t config_gid = 0;
527#endif
528uschar *config_main_filelist = US CONFIGURE_FILE
529 "\0<-----------Space to patch configure_filename->";
530uschar *config_main_filename = NULL;
531uschar *config_main_directory = NULL;
532
533#ifdef CONFIGURE_OWNER
534uid_t config_uid = CONFIGURE_OWNER;
535#else
536uid_t config_uid = 0;
537#endif
538
539int connection_max_messages= -1;
540uschar *continue_proxy_cipher = NULL;
541uschar *continue_hostname = NULL;
542uschar *continue_host_address = NULL;
543BOOL continue_more = FALSE;
544int continue_sequence = 1;
545uschar *continue_transport = NULL;
546
547uschar *csa_status = NULL;
548cut_t cutthrough = {
549 .callout_hold_only = FALSE, /* verify-only: normal delivery */
550 .delivery = FALSE, /* when to attempt */
551 .defer_pass = FALSE, /* on defer: spool locally */
552 .is_tls = FALSE, /* not a TLS conn yet */
553 .fd = -1, /* open connection */
554 .nrcpt = 0, /* number of addresses */
555};
556
557BOOL daemon_listen = FALSE;
558uschar *daemon_smtp_port = US"smtp";
559int daemon_startup_retries = 9;
560int daemon_startup_sleep = 30;
561
562#ifdef EXPERIMENTAL_DCC
563BOOL dcc_direct_add_header = FALSE;
564uschar *dcc_header = NULL;
565uschar *dcc_result = NULL;
566uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
567uschar *dccifd_options = US"header";
568#endif
569
570BOOL debug_daemon = FALSE;
571int debug_fd = -1;
572FILE *debug_file = NULL;
573int debug_notall[] = {
574 Di_memory,
575 -1
576};
577bit_table debug_options[] = { /* must be in alphabetical order */
578 BIT_TABLE(D, acl),
579 BIT_TABLE(D, all),
580 BIT_TABLE(D, auth),
581 BIT_TABLE(D, deliver),
582 BIT_TABLE(D, dns),
583 BIT_TABLE(D, dnsbl),
584 BIT_TABLE(D, exec),
585 BIT_TABLE(D, expand),
586 BIT_TABLE(D, filter),
587 BIT_TABLE(D, hints_lookup),
588 BIT_TABLE(D, host_lookup),
589 BIT_TABLE(D, ident),
590 BIT_TABLE(D, interface),
591 BIT_TABLE(D, lists),
592 BIT_TABLE(D, load),
593 BIT_TABLE(D, local_scan),
594 BIT_TABLE(D, lookup),
595 BIT_TABLE(D, memory),
596 BIT_TABLE(D, pid),
597 BIT_TABLE(D, process_info),
598 BIT_TABLE(D, queue_run),
599 BIT_TABLE(D, receive),
600 BIT_TABLE(D, resolver),
601 BIT_TABLE(D, retry),
602 BIT_TABLE(D, rewrite),
603 BIT_TABLE(D, route),
604 BIT_TABLE(D, timestamp),
605 BIT_TABLE(D, tls),
606 BIT_TABLE(D, transport),
607 BIT_TABLE(D, uid),
608 BIT_TABLE(D, verify),
609};
610int debug_options_count = nelem(debug_options);
611
612unsigned int debug_selector = 0;
613BOOL debug_store = FALSE;
614int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
615uschar *delay_warning_condition=
616 US"${if or {"
617 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
618 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
619 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
620 "} {no}{yes}}";
621BOOL delivery_date_remove = TRUE;
622uschar *deliver_address_data = NULL;
623int deliver_datafile = -1;
624const uschar *deliver_domain = NULL;
625uschar *deliver_domain_data = NULL;
626const uschar *deliver_domain_orig = NULL;
627const uschar *deliver_domain_parent = NULL;
628BOOL deliver_drop_privilege = FALSE;
629BOOL deliver_firsttime = FALSE;
630BOOL deliver_force = FALSE;
631BOOL deliver_freeze = FALSE;
632time_t deliver_frozen_at = 0;
633uschar *deliver_home = NULL;
634const uschar *deliver_host = NULL;
635const uschar *deliver_host_address = NULL;
636int deliver_host_port = 0;
637uschar *deliver_in_buffer = NULL;
638ino_t deliver_inode = 0;
639uschar *deliver_localpart = NULL;
640uschar *deliver_localpart_data = NULL;
641uschar *deliver_localpart_orig = NULL;
642uschar *deliver_localpart_parent = NULL;
643uschar *deliver_localpart_prefix = NULL;
644uschar *deliver_localpart_suffix = NULL;
645BOOL deliver_force_thaw = FALSE;
646BOOL deliver_manual_thaw = FALSE;
647uschar *deliver_out_buffer = NULL;
648int deliver_queue_load_max = -1;
649address_item *deliver_recipients = NULL;
650uschar *deliver_selectstring = NULL;
651BOOL deliver_selectstring_regex = FALSE;
652uschar *deliver_selectstring_sender = NULL;
653BOOL deliver_selectstring_sender_regex = FALSE;
654BOOL disable_callout_flush = FALSE;
655BOOL disable_delay_flush = FALSE;
656#ifdef ENABLE_DISABLE_FSYNC
657BOOL disable_fsync = FALSE;
658#endif
659BOOL disable_ipv6 = FALSE;
660BOOL disable_logging = FALSE;
661
662#ifndef DISABLE_DKIM
663BOOL dkim_collect_input = FALSE;
664uschar *dkim_cur_signer = NULL;
665BOOL dkim_disable_verify = FALSE;
666int dkim_key_length = 0;
667uschar *dkim_signers = NULL;
668uschar *dkim_signing_domain = NULL;
669uschar *dkim_signing_selector = NULL;
670uschar *dkim_verify_signers = US"$dkim_signers";
671uschar *dkim_verify_status = NULL;
672uschar *dkim_verify_reason = NULL;
673#endif
674#ifdef EXPERIMENTAL_DMARC
675BOOL dmarc_has_been_checked = FALSE;
676uschar *dmarc_ar_header = NULL;
677uschar *dmarc_domain_policy = NULL;
678uschar *dmarc_forensic_sender = NULL;
679uschar *dmarc_history_file = NULL;
680uschar *dmarc_status = NULL;
681uschar *dmarc_status_text = NULL;
682uschar *dmarc_tld_file = NULL;
683uschar *dmarc_used_domain = NULL;
684BOOL dmarc_disable_verify = FALSE;
685BOOL dmarc_enable_forensic = FALSE;
686#endif
687
688uschar *dns_again_means_nonexist = NULL;
689int dns_csa_search_limit = 5;
690BOOL dns_csa_use_reverse = TRUE;
691#ifdef EXPERIMENTAL_DANE
692int dns_dane_ok = -1;
693#endif
694uschar *dns_ipv4_lookup = NULL;
695int dns_retrans = 0;
696int dns_retry = 0;
697int dns_dnssec_ok = -1; /* <0 = not coerced */
698uschar *dns_trust_aa = NULL;
699int dns_use_edns0 = -1; /* <0 = not coerced */
700uschar *dnslist_domain = NULL;
701uschar *dnslist_matched = NULL;
702uschar *dnslist_text = NULL;
703uschar *dnslist_value = NULL;
704tree_node *domainlist_anchor = NULL;
705int domainlist_count = 0;
706BOOL dont_deliver = FALSE;
707BOOL dot_ends = TRUE;
708BOOL drop_cr = FALSE; /* No longer used */
709uschar *dsn_from = US DEFAULT_DSN_FROM;
710
711BOOL enable_dollar_recipients = FALSE;
712BOOL envelope_to_remove = TRUE;
713int errno_quota = ERRNO_QUOTA;
714uschar *errors_copy = NULL;
715int error_handling = ERRORS_SENDER;
716uschar *errors_reply_to = NULL;
717int errors_sender_rc = EXIT_FAILURE;
718#ifndef DISABLE_EVENT
719uschar *event_action = NULL; /* expansion for delivery events */
720uschar *event_data = NULL; /* auxiliary data variable for event */
721int event_defer_errno = 0;
722const uschar *event_name = NULL; /* event name variable */
723#endif
724
725
726gid_t exim_gid = EXIM_GID;
727BOOL exim_gid_set = TRUE; /* This gid is always set */
728uschar *exim_path = US BIN_DIRECTORY "/exim"
729 "\0<---------------Space to patch exim_path->";
730uid_t exim_uid = EXIM_UID;
731BOOL exim_uid_set = TRUE; /* This uid is always set */
732int expand_level = 0; /* Nesting depth, indent for debug */
733int expand_forbid = 0;
734int expand_nlength[EXPAND_MAXN+1];
735int expand_nmax = -1;
736uschar *expand_nstring[EXPAND_MAXN+1];
737BOOL expand_string_forcedfail = FALSE;
738uschar *expand_string_message;
739BOOL extract_addresses_remove_arguments = TRUE;
740uschar *extra_local_interfaces = NULL;
741
742int fake_response = OK;
743uschar *fake_response_text = US"Your message has been rejected but is "
744 "being kept for evaluation.\nIf it was a "
745 "legitimate message, it may still be "
746 "delivered to the target recipient(s).";
747int filter_n[FILTER_VARIABLE_COUNT];
748BOOL filter_running = FALSE;
749int filter_sn[FILTER_VARIABLE_COUNT];
750int filter_test = FTEST_NONE;
751uschar *filter_test_sfile = NULL;
752uschar *filter_test_ufile = NULL;
753uschar *filter_thisaddress = NULL;
754int finduser_retries = 0;
755uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
756uschar *freeze_tell = NULL;
757uschar *freeze_tell_config = NULL;
758uschar *fudged_queue_times = US"";
759
760uschar *gecos_name = NULL;
761uschar *gecos_pattern = NULL;
762rewrite_rule *global_rewrite_rules = NULL;
763
764uschar *headers_charset = US HEADERS_CHARSET;
765int header_insert_maxlen = 64 * 1024;
766header_line *header_last = NULL;
767header_line *header_list = NULL;
768int header_maxsize = HEADER_MAXSIZE;
769int header_line_maxsize = 0;
770
771header_name header_names[] = {
772 /* name len allow_resent htype */
773 { US"bcc", 3, TRUE, htype_bcc },
774 { US"cc", 2, TRUE, htype_cc },
775 { US"date", 4, TRUE, htype_date },
776 { US"delivery-date", 13, FALSE, htype_delivery_date },
777 { US"envelope-to", 11, FALSE, htype_envelope_to },
778 { US"from", 4, TRUE, htype_from },
779 { US"message-id", 10, TRUE, htype_id },
780 { US"received", 8, FALSE, htype_received },
781 { US"reply-to", 8, FALSE, htype_reply_to },
782 { US"return-path", 11, FALSE, htype_return_path },
783 { US"sender", 6, TRUE, htype_sender },
784 { US"subject", 7, FALSE, htype_subject },
785 { US"to", 2, TRUE, htype_to }
786};
787
788int header_names_size = sizeof(header_names)/sizeof(header_name);
789
790BOOL header_rewritten = FALSE;
791uschar *helo_accept_junk_hosts = NULL;
792uschar *helo_allow_chars = US"";
793uschar *helo_lookup_domains = US"@ : @[]";
794uschar *helo_try_verify_hosts = NULL;
795BOOL helo_verified = FALSE;
796BOOL helo_verify_failed = FALSE;
797uschar *helo_verify_hosts = NULL;
798const uschar *hex_digits = CUS"0123456789abcdef";
799uschar *hold_domains = NULL;
800BOOL host_checking = FALSE;
801BOOL host_checking_callout = FALSE;
802uschar *host_data = NULL;
803BOOL host_find_failed_syntax= FALSE;
804uschar *host_lookup = NULL;
805BOOL host_lookup_deferred = FALSE;
806BOOL host_lookup_failed = FALSE;
807uschar *host_lookup_order = US"bydns:byaddr";
808uschar *host_lookup_msg = US"";
809int host_number = 0;
810uschar *host_number_string = NULL;
811uschar *host_reject_connection = NULL;
812tree_node *hostlist_anchor = NULL;
813int hostlist_count = 0;
814uschar *hosts_treat_as_local = NULL;
815uschar *hosts_connection_nolog = NULL;
816
817int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
818BOOL ignore_fromline_local = FALSE;
819uschar *ignore_fromline_hosts = NULL;
820BOOL inetd_wait_mode = FALSE;
821int inetd_wait_timeout = -1;
822uschar *initial_cwd = NULL;
823uschar *interface_address = NULL;
824int interface_port = -1;
825BOOL is_inetd = FALSE;
826uschar *iterate_item = NULL;
827
828int journal_fd = -1;
829
830uschar *keep_environment = NULL;
831
832int keep_malformed = 4*24*60*60; /* 4 days */
833
834uschar *eldap_dn = NULL;
835int load_average = -2;
836BOOL local_error_message = FALSE;
837BOOL local_from_check = TRUE;
838uschar *local_from_prefix = NULL;
839uschar *local_from_suffix = NULL;
840
841#if HAVE_IPV6
842uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
843#else
844uschar *local_interfaces = US"0.0.0.0";
845#endif
846
847uschar *local_scan_data = NULL;
848int local_scan_timeout = 5*60;
849BOOL local_sender_retain = FALSE;
850gid_t local_user_gid = (gid_t)(-1);
851uid_t local_user_uid = (uid_t)(-1);
852
853tree_node *localpartlist_anchor= NULL;
854int localpartlist_count = 0;
855uschar *log_buffer = NULL;
856
857int log_default[] = { /* for initializing log_selector */
858 Li_acl_warn_skipped,
859 Li_connection_reject,
860 Li_delay_delivery,
861 Li_dnslist_defer,
862 Li_etrn,
863 Li_host_lookup_failed,
864 Li_lost_incoming_connection,
865 Li_outgoing_interface, /* see d_log_interface in deliver.c */
866 Li_queue_run,
867 Li_rejected_header,
868 Li_retry_defer,
869 Li_sender_verify_fail,
870 Li_size_reject,
871 Li_skip_delivery,
872 Li_smtp_confirmation,
873 Li_tls_certificate_verified,
874 Li_tls_cipher,
875 -1
876};
877
878uschar *log_file_path = US LOG_FILE_PATH
879 "\0<--------------Space to patch log_file_path->";
880
881int log_notall[] = {
882 -1
883};
884bit_table log_options[] = { /* must be in alphabetical order */
885 BIT_TABLE(L, 8bitmime),
886 BIT_TABLE(L, acl_warn_skipped),
887 BIT_TABLE(L, address_rewrite),
888 BIT_TABLE(L, all),
889 BIT_TABLE(L, all_parents),
890 BIT_TABLE(L, arguments),
891 BIT_TABLE(L, connection_reject),
892 BIT_TABLE(L, delay_delivery),
893 BIT_TABLE(L, deliver_time),
894 BIT_TABLE(L, delivery_size),
895 BIT_TABLE(L, dnslist_defer),
896 BIT_TABLE(L, dnssec),
897 BIT_TABLE(L, etrn),
898 BIT_TABLE(L, host_lookup_failed),
899 BIT_TABLE(L, ident_timeout),
900 BIT_TABLE(L, incoming_interface),
901 BIT_TABLE(L, incoming_port),
902 BIT_TABLE(L, lost_incoming_connection),
903 BIT_TABLE(L, millisec),
904 BIT_TABLE(L, outgoing_interface),
905 BIT_TABLE(L, outgoing_port),
906 BIT_TABLE(L, pid),
907#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
908 BIT_TABLE(L, proxy),
909#endif
910 BIT_TABLE(L, queue_run),
911 BIT_TABLE(L, queue_time),
912 BIT_TABLE(L, queue_time_overall),
913 BIT_TABLE(L, received_recipients),
914 BIT_TABLE(L, received_sender),
915 BIT_TABLE(L, rejected_header),
916 { US"rejected_headers", Li_rejected_header },
917 BIT_TABLE(L, retry_defer),
918 BIT_TABLE(L, return_path_on_delivery),
919 BIT_TABLE(L, sender_on_delivery),
920 BIT_TABLE(L, sender_verify_fail),
921 BIT_TABLE(L, size_reject),
922 BIT_TABLE(L, skip_delivery),
923 BIT_TABLE(L, smtp_confirmation),
924 BIT_TABLE(L, smtp_connection),
925 BIT_TABLE(L, smtp_incomplete_transaction),
926 BIT_TABLE(L, smtp_mailauth),
927 BIT_TABLE(L, smtp_no_mail),
928 BIT_TABLE(L, smtp_protocol_error),
929 BIT_TABLE(L, smtp_syntax_error),
930 BIT_TABLE(L, subject),
931 BIT_TABLE(L, tls_certificate_verified),
932 BIT_TABLE(L, tls_cipher),
933 BIT_TABLE(L, tls_peerdn),
934 BIT_TABLE(L, tls_sni),
935 BIT_TABLE(L, unknown_in_list),
936};
937int log_options_count = nelem(log_options);
938
939int log_reject_target = 0;
940unsigned int log_selector[log_selector_size]; /* initialized in main() */
941uschar *log_selector_string = NULL;
942FILE *log_stderr = NULL;
943BOOL log_testing_mode = FALSE;
944BOOL log_timezone = FALSE;
945uschar *login_sender_address = NULL;
946uschar *lookup_dnssec_authenticated = NULL;
947int lookup_open_max = 25;
948uschar *lookup_value = NULL;
949
950uschar *mailstore_basename = NULL;
951#ifdef WITH_CONTENT_SCAN
952uschar *malware_name = NULL; /* Virus Name */
953#endif
954int max_received_linelength= 0;
955int max_username_length = 0;
956int message_age = 0;
957uschar *message_body = NULL;
958uschar *message_body_end = NULL;
959BOOL message_body_newlines = FALSE;
960int message_body_size = 0;
961int message_body_visible = 500;
962int message_ended = END_NOTSTARTED;
963uschar *message_headers = NULL;
964uschar *message_id;
965uschar *message_id_domain = NULL;
966uschar *message_id_text = NULL;
967struct timeval message_id_tv = { 0, 0 };
968uschar message_id_option[MESSAGE_ID_LENGTH + 3];
969uschar *message_id_external;
970int message_linecount = 0;
971BOOL message_logs = TRUE;
972int message_size = 0;
973uschar *message_size_limit = US"50M";
974#ifdef SUPPORT_I18N
975BOOL message_smtputf8 = FALSE;
976int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
977#endif
978uschar message_subdir[2] = { 0, 0 };
979uschar *message_reference = NULL;
980
981/* MIME ACL expandables */
982#ifdef WITH_CONTENT_SCAN
983int mime_anomaly_level = 0;
984const uschar *mime_anomaly_text = NULL;
985uschar *mime_boundary = NULL;
986uschar *mime_charset = NULL;
987uschar *mime_content_description = NULL;
988uschar *mime_content_disposition = NULL;
989uschar *mime_content_id = NULL;
990unsigned int mime_content_size = 0;
991uschar *mime_content_transfer_encoding = NULL;
992uschar *mime_content_type = NULL;
993uschar *mime_decoded_filename = NULL;
994uschar *mime_filename = NULL;
995int mime_is_multipart = 0;
996int mime_is_coverletter = 0;
997int mime_is_rfc822 = 0;
998int mime_part_count = -1;
999#endif
1000
1001BOOL mua_wrapper = FALSE;
1002
1003uid_t *never_users = NULL;
1004#ifdef WITH_CONTENT_SCAN
1005BOOL no_mbox_unspool = FALSE;
1006#endif
1007BOOL no_multiline_responses = FALSE;
1008
1009const int on = 1; /* for setsockopt */
1010const int off = 0;
1011
1012uid_t original_euid;
1013gid_t originator_gid;
1014uschar *originator_login = NULL;
1015uschar *originator_name = NULL;
1016uid_t originator_uid;
1017uschar *override_local_interfaces = NULL;
1018uschar *override_pid_file_path = NULL;
1019
1020BOOL parse_allow_group = FALSE;
1021BOOL parse_found_group = FALSE;
1022uschar *percent_hack_domains = NULL;
1023uschar *pid_file_path = US PID_FILE_PATH
1024 "\0<--------------Space to patch pid_file_path->";
1025BOOL pipelining_enable = TRUE;
1026uschar *pipelining_advertise_hosts = US"*";
1027BOOL preserve_message_logs = FALSE;
1028uschar *primary_hostname = NULL;
1029BOOL print_topbitchars = FALSE;
1030uschar process_info[PROCESS_INFO_SIZE];
1031int process_info_len = 0;
1032uschar *process_log_path = NULL;
1033BOOL prod_requires_admin = TRUE;
1034
1035#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1036uschar *hosts_proxy = US"";
1037uschar *proxy_external_address = US"";
1038int proxy_external_port = 0;
1039uschar *proxy_local_address = US"";
1040int proxy_local_port = 0;
1041BOOL proxy_session = FALSE;
1042BOOL proxy_session_failed = FALSE;
1043#endif
1044
1045uschar *prvscheck_address = NULL;
1046uschar *prvscheck_keynum = NULL;
1047uschar *prvscheck_result = NULL;
1048
1049
1050const uschar *qualify_domain_recipient = NULL;
1051uschar *qualify_domain_sender = NULL;
1052BOOL queue_2stage = FALSE;
1053uschar *queue_domains = NULL;
1054int queue_interval = -1;
1055BOOL queue_list_requires_admin = TRUE;
1056uschar *queue_name = US"";
1057BOOL queue_only = FALSE;
1058uschar *queue_only_file = NULL;
1059int queue_only_load = -1;
1060BOOL queue_only_load_latch = TRUE;
1061BOOL queue_only_override = TRUE;
1062BOOL queue_only_policy = FALSE;
1063BOOL queue_run_first_delivery = FALSE;
1064BOOL queue_run_force = FALSE;
1065BOOL queue_run_in_order = FALSE;
1066BOOL queue_run_local = FALSE;
1067uschar *queue_run_max = US"5";
1068pid_t queue_run_pid = (pid_t)0;
1069int queue_run_pipe = -1;
1070BOOL queue_running = FALSE;
1071BOOL queue_smtp = FALSE;
1072uschar *queue_smtp_domains = NULL;
1073
1074unsigned int random_seed = 0;
1075tree_node *ratelimiters_cmd = NULL;
1076tree_node *ratelimiters_conn = NULL;
1077tree_node *ratelimiters_mail = NULL;
1078uschar *raw_active_hostname = NULL;
1079uschar *raw_sender = NULL;
1080uschar **raw_recipients = NULL;
1081int raw_recipients_count = 0;
1082
1083int rcpt_count = 0;
1084int rcpt_fail_count = 0;
1085int rcpt_defer_count = 0;
1086gid_t real_gid;
1087uid_t real_uid;
1088BOOL really_exim = TRUE;
1089BOOL receive_call_bombout = FALSE;
1090int receive_linecount = 0;
1091int receive_messagecount = 0;
1092int receive_timeout = 0;
1093int received_count = 0;
1094uschar *received_for = NULL;
1095
1096/* This is the default text for Received headers generated by Exim. The
1097date will be automatically added on the end. */
1098
1099uschar *received_header_text = US
1100 "Received: "
1101 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1102 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1103 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1104 "by $primary_hostname "
1105 "${if def:received_protocol {with $received_protocol}} "
1106 #ifdef SUPPORT_TLS
1107 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1108 #endif
1109 "(Exim $version_number)\n\t"
1110 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1111 "id $message_exim_id"
1112 "${if def:received_for {\n\tfor $received_for}}"
1113 "\0<---------------Space to patch received_header_text->";
1114
1115int received_headers_max = 30;
1116uschar *received_protocol = NULL;
1117struct timeval received_time = { 0, 0 };
1118uschar *recipient_data = NULL;
1119uschar *recipient_unqualified_hosts = NULL;
1120uschar *recipient_verify_failure = NULL;
1121int recipients_count = 0;
1122BOOL recipients_discarded = FALSE;
1123recipient_item *recipients_list = NULL;
1124int recipients_list_max = 0;
1125int recipients_max = 0;
1126BOOL recipients_max_reject = FALSE;
1127const pcre *regex_AUTH = NULL;
1128const pcre *regex_check_dns_names = NULL;
1129const pcre *regex_From = NULL;
1130const pcre *regex_IGNOREQUOTA = NULL;
1131const pcre *regex_PIPELINING = NULL;
1132const pcre *regex_SIZE = NULL;
1133const pcre *regex_ismsgid = NULL;
1134const pcre *regex_smtp_code = NULL;
1135uschar *regex_vars[REGEX_VARS];
1136#ifdef WHITELIST_D_MACROS
1137const pcre *regex_whitelisted_macro = NULL;
1138#endif
1139#ifdef WITH_CONTENT_SCAN
1140uschar *regex_match_string = NULL;
1141#endif
1142int remote_delivery_count = 0;
1143int remote_max_parallel = 2;
1144uschar *remote_sort_domains = NULL;
1145int retry_data_expire = 7*24*60*60;
1146int retry_interval_max = 24*60*60;
1147int retry_maximum_timeout = 0; /* set from retry config */
1148retry_config *retries = NULL;
1149uschar *return_path = NULL;
1150BOOL return_path_remove = TRUE;
1151int rewrite_existflags = 0;
1152uschar *rfc1413_hosts = US"@[]";
1153int rfc1413_query_timeout = 0;
1154/* BOOL rfc821_domains = FALSE; <<< on the way out */
1155uid_t root_gid = ROOT_GID;
1156uid_t root_uid = ROOT_UID;
1157
1158router_instance *routers = NULL;
1159router_instance router_defaults = {
1160 .next = NULL,
1161 .name = NULL,
1162 .info = NULL,
1163 .options_block = NULL,
1164 .driver_name = NULL,
1165
1166 .address_data = NULL,
1167#ifdef EXPERIMENTAL_BRIGHTMAIL
1168 .bmi_rule = NULL,
1169#endif
1170 .cannot_route_message = NULL,
1171 .condition = NULL,
1172 .current_directory = NULL,
1173 .debug_string = NULL,
1174 .domains = NULL,
1175 .errors_to = NULL,
1176 .expand_gid = NULL,
1177 .expand_uid = NULL,
1178 .expand_more = NULL,
1179 .expand_unseen = NULL,
1180 .extra_headers = NULL,
1181 .fallback_hosts = NULL,
1182 .home_directory = NULL,
1183 .ignore_target_hosts = NULL,
1184 .local_parts = NULL,
1185 .pass_router_name = NULL,
1186 .prefix = NULL,
1187 .redirect_router_name = NULL,
1188 .remove_headers = NULL,
1189 .require_files = NULL,
1190 .router_home_directory = NULL,
1191 .self = US"freeze",
1192 .senders = NULL,
1193 .suffix = NULL,
1194 .translate_ip_address = NULL,
1195 .transport_name = NULL,
1196
1197 .address_test = TRUE,
1198#ifdef EXPERIMENTAL_BRIGHTMAIL
1199 .bmi_deliver_alternate = FALSE,
1200 .bmi_deliver_default = FALSE,
1201 .bmi_dont_deliver = FALSE,
1202#endif
1203 .expn = TRUE,
1204 .caseful_local_part = FALSE,
1205 .check_local_user = FALSE,
1206 .disable_logging = FALSE,
1207 .fail_verify_recipient = FALSE,
1208 .fail_verify_sender = FALSE,
1209 .gid_set = FALSE,
1210 .initgroups = FALSE,
1211 .log_as_local = TRUE_UNSET,
1212 .more = TRUE,
1213 .pass_on_timeout = FALSE,
1214 .prefix_optional = FALSE,
1215 .repeat_use = TRUE,
1216 .retry_use_local_part = TRUE_UNSET,
1217 .same_domain_copy_routing = FALSE,
1218 .self_rewrite = FALSE,
1219 .suffix_optional = FALSE,
1220 .verify_only = FALSE,
1221 .verify_recipient = TRUE,
1222 .verify_sender = TRUE,
1223 .uid_set = FALSE,
1224 .unseen = FALSE,
1225 .dsn_lasthop = FALSE,
1226
1227 .self_code = self_freeze,
1228 .uid = (uid_t)(-1),
1229 .gid = (gid_t)(-1),
1230
1231 .fallback_hostlist = NULL,
1232 .transport = NULL,
1233 .pass_router = NULL,
1234 .redirect_router = NULL,
1235
1236 .dnssec = { NULL, NULL }, /* dnssec_domains {require,request} */
1237};
1238
1239uschar *router_name = NULL;
1240
1241ip_address_item *running_interfaces = NULL;
1242BOOL running_in_test_harness = FALSE;
1243
1244/* This is a weird one. The following string gets patched in the binary by the
1245script that sets up a copy of Exim for running in the test harness. It seems
1246that compilers are now clever, and share constant strings if they can.
1247Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1248make use of the end of this string in order to save space. So the patching then
1249wrecks this. We defeat this optimization by adding some additional characters
1250onto the end of the string. */
1251
1252uschar *running_status = US">>>running<<<" "\0EXTRA";
1253
1254int runrc = 0;
1255
1256uschar *search_error_message = NULL;
1257BOOL search_find_defer = FALSE;
1258uschar *self_hostname = NULL;
1259uschar *sender_address = NULL;
1260unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1261uschar *sender_address_data = NULL;
1262BOOL sender_address_forced = FALSE;
1263uschar *sender_address_unrewritten = NULL;
1264uschar *sender_data = NULL;
1265unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1266uschar *sender_fullhost = NULL;
1267BOOL sender_helo_dnssec = FALSE;
1268uschar *sender_helo_name = NULL;
1269uschar **sender_host_aliases = &no_aliases;
1270uschar *sender_host_address = NULL;
1271uschar *sender_host_authenticated = NULL;
1272unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1273BOOL sender_host_dnssec = FALSE;
1274uschar *sender_host_name = NULL;
1275int sender_host_port = 0;
1276BOOL sender_host_notsocket = FALSE;
1277BOOL sender_host_unknown = FALSE;
1278uschar *sender_ident = NULL;
1279BOOL sender_local = FALSE;
1280BOOL sender_name_forced = FALSE;
1281uschar *sender_rate = NULL;
1282uschar *sender_rate_limit = NULL;
1283uschar *sender_rate_period = NULL;
1284uschar *sender_rcvhost = NULL;
1285BOOL sender_set_untrusted = FALSE;
1286uschar *sender_unqualified_hosts = NULL;
1287uschar *sender_verify_failure = NULL;
1288address_item *sender_verified_list = NULL;
1289address_item *sender_verified_failed = NULL;
1290int sender_verified_rc = -1;
1291BOOL sender_verified_responded = FALSE;
1292uschar *sending_ip_address = NULL;
1293int sending_port = -1;
1294SIGNAL_BOOL sigalrm_seen = FALSE;
1295uschar **sighup_argv = NULL;
1296int slow_lookup_log = 0; /* millisecs, zero disables */
1297int smtp_accept_count = 0;
1298BOOL smtp_accept_keepalive = TRUE;
1299int smtp_accept_max = 20;
1300int smtp_accept_max_nonmail= 10;
1301uschar *smtp_accept_max_nonmail_hosts = US"*";
1302int smtp_accept_max_per_connection = 1000;
1303uschar *smtp_accept_max_per_host = NULL;
1304int smtp_accept_queue = 0;
1305int smtp_accept_queue_per_connection = 10;
1306int smtp_accept_reserve = 0;
1307uschar *smtp_active_hostname = NULL;
1308BOOL smtp_authenticated = FALSE;
1309uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1310 "Exim $version_number $tod_full"
1311 "\0<---------------Space to patch smtp_banner->";
1312BOOL smtp_batched_input = FALSE;
1313BOOL smtp_check_spool_space = TRUE;
1314int smtp_ch_index = 0;
1315uschar *smtp_cmd_argument = NULL;
1316uschar *smtp_cmd_buffer = NULL;
1317struct timeval smtp_connection_start = {0,0};
1318uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1319int smtp_connect_backlog = 20;
1320double smtp_delay_mail = 0.0;
1321double smtp_delay_rcpt = 0.0;
1322BOOL smtp_enforce_sync = TRUE;
1323FILE *smtp_in = NULL;
1324BOOL smtp_input = FALSE;
1325int smtp_load_reserve = -1;
1326int smtp_mailcmd_count = 0;
1327FILE *smtp_out = NULL;
1328uschar *smtp_etrn_command = NULL;
1329BOOL smtp_etrn_serialize = TRUE;
1330int smtp_max_synprot_errors= 3;
1331int smtp_max_unknown_commands = 3;
1332uschar *smtp_notquit_reason = NULL;
1333uschar *smtp_ratelimit_hosts = NULL;
1334uschar *smtp_ratelimit_mail = NULL;
1335uschar *smtp_ratelimit_rcpt = NULL;
1336uschar *smtp_read_error = US"";
1337int smtp_receive_timeout = 5*60;
1338uschar *smtp_receive_timeout_s = NULL;
1339uschar *smtp_reserve_hosts = NULL;
1340BOOL smtp_return_error_details = FALSE;
1341int smtp_rlm_base = 0;
1342double smtp_rlm_factor = 0.0;
1343int smtp_rlm_limit = 0;
1344int smtp_rlm_threshold = INT_MAX;
1345int smtp_rlr_base = 0;
1346double smtp_rlr_factor = 0.0;
1347int smtp_rlr_limit = 0;
1348int smtp_rlr_threshold = INT_MAX;
1349unsigned smtp_peer_options = 0;
1350unsigned smtp_peer_options_wrap= 0;
1351#ifdef SUPPORT_I18N
1352uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1353#endif
1354
1355#ifdef WITH_CONTENT_SCAN
1356uschar *spamd_address = US"127.0.0.1 783";
1357uschar *spam_bar = NULL;
1358uschar *spam_report = NULL;
1359uschar *spam_action = NULL;
1360uschar *spam_score = NULL;
1361uschar *spam_score_int = NULL;
1362#endif
1363#ifdef EXPERIMENTAL_SPF
1364uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1365uschar *spf_header_comment = NULL;
1366uschar *spf_received = NULL;
1367uschar *spf_result = NULL;
1368uschar *spf_smtp_comment = NULL;
1369#endif
1370
1371BOOL split_spool_directory = FALSE;
1372uschar *spool_directory = US SPOOL_DIRECTORY
1373 "\0<--------------Space to patch spool_directory->";
1374BOOL spool_file_wireformat = FALSE;
1375BOOL spool_wireformat = FALSE;
1376#ifdef EXPERIMENTAL_SRS
1377uschar *srs_config = NULL;
1378uschar *srs_db_address = NULL;
1379uschar *srs_db_key = NULL;
1380int srs_hashlength = 6;
1381int srs_hashmin = -1;
1382int srs_maxage = 31;
1383uschar *srs_orig_recipient = NULL;
1384uschar *srs_orig_sender = NULL;
1385uschar *srs_recipient = NULL;
1386uschar *srs_secrets = NULL;
1387uschar *srs_status = NULL;
1388BOOL srs_usehash = TRUE;
1389BOOL srs_usetimestamp = TRUE;
1390#endif
1391BOOL strict_acl_vars = FALSE;
1392int string_datestamp_offset= -1;
1393int string_datestamp_length= 0;
1394int string_datestamp_type = -1;
1395BOOL strip_excess_angle_brackets = FALSE;
1396BOOL strip_trailing_dot = FALSE;
1397uschar *submission_domain = NULL;
1398BOOL submission_mode = FALSE;
1399uschar *submission_name = NULL;
1400BOOL suppress_local_fixups = FALSE;
1401BOOL suppress_local_fixups_default = FALSE;
1402BOOL synchronous_delivery = FALSE;
1403BOOL syslog_duplication = TRUE;
1404int syslog_facility = LOG_MAIL;
1405BOOL syslog_pid = TRUE;
1406uschar *syslog_processname = US"exim";
1407BOOL syslog_timestamp = TRUE;
1408uschar *system_filter = NULL;
1409
1410uschar *system_filter_directory_transport = NULL;
1411uschar *system_filter_file_transport = NULL;
1412uschar *system_filter_pipe_transport = NULL;
1413uschar *system_filter_reply_transport = NULL;
1414
1415gid_t system_filter_gid = 0;
1416BOOL system_filter_gid_set = FALSE;
1417uid_t system_filter_uid = (uid_t)-1;
1418BOOL system_filter_uid_set = FALSE;
1419BOOL system_filtering = FALSE;
1420
1421BOOL tcp_fastopen_ok = FALSE;
1422blob tcp_fastopen_nodata = { .data = NULL, .len = 0 };
1423BOOL tcp_in_fastopen = FALSE;
1424BOOL tcp_in_fastopen_logged = FALSE;
1425BOOL tcp_nodelay = TRUE;
1426int tcp_out_fastopen = 0;
1427BOOL tcp_out_fastopen_logged= FALSE;
1428#ifdef USE_TCP_WRAPPERS
1429uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1430#endif
1431int test_harness_load_avg = 0;
1432int thismessage_size_limit = 0;
1433int timeout_frozen_after = 0;
1434BOOL timestamps_utc = FALSE;
1435
1436transport_instance *transports = NULL;
1437
1438transport_instance transport_defaults = {
1439 .next = NULL,
1440 .name = NULL,
1441 .info = NULL,
1442 .options_block = NULL,
1443 .driver_name = NULL,
1444 .setup = NULL,
1445 .batch_max = 1,
1446 .batch_id = NULL,
1447 .home_dir = NULL,
1448 .current_dir = NULL,
1449 .expand_multi_domain = NULL,
1450 .multi_domain = TRUE,
1451 .overrides_hosts = FALSE,
1452 .max_addresses = 100,
1453 .connection_max_messages = 500,
1454 .deliver_as_creator = FALSE,
1455 .disable_logging = FALSE,
1456 .initgroups = FALSE,
1457 .uid_set = FALSE,
1458 .gid_set = FALSE,
1459 .uid = (uid_t)(-1),
1460 .gid = (gid_t)(-1),
1461 .expand_uid = NULL,
1462 .expand_gid = NULL,
1463 .warn_message = NULL,
1464 .shadow = NULL,
1465 .shadow_condition = NULL,
1466 .filter_command = NULL,
1467 .add_headers = NULL,
1468 .remove_headers = NULL,
1469 .return_path = NULL,
1470 .debug_string = NULL,
1471 .max_parallel = NULL,
1472 .message_size_limit = NULL,
1473 .headers_rewrite = NULL,
1474 .rewrite_rules = NULL,
1475 .rewrite_existflags = 0,
1476 .filter_timeout = 300,
1477 .body_only = FALSE,
1478 .delivery_date_add = FALSE,
1479 .envelope_to_add = FALSE,
1480 .headers_only = FALSE,
1481 .rcpt_include_affixes = FALSE,
1482 .return_path_add = FALSE,
1483 .return_output = FALSE,
1484 .return_fail_output = FALSE,
1485 .log_output = FALSE,
1486 .log_fail_output = FALSE,
1487 .log_defer_output = FALSE,
1488 .retry_use_local_part = TRUE_UNSET, /* retry_use_local_part: BOOL, but set neither
1489 1 nor 0 so can detect unset */
1490#ifndef DISABLE_EVENT
1491 .event_action = NULL
1492#endif
1493};
1494
1495int transport_count;
1496uschar *transport_name = NULL;
1497int transport_newlines;
1498const uschar **transport_filter_argv = NULL;
1499int transport_filter_timeout;
1500BOOL transport_filter_timed_out = FALSE;
1501int transport_write_timeout= 0;
1502
1503tree_node *tree_dns_fails = NULL;
1504tree_node *tree_duplicates = NULL;
1505tree_node *tree_nonrecipients = NULL;
1506tree_node *tree_unusable = NULL;
1507
1508BOOL trusted_caller = FALSE;
1509BOOL trusted_config = TRUE;
1510gid_t *trusted_groups = NULL;
1511uid_t *trusted_users = NULL;
1512uschar *timezone_string = US TIMEZONE_DEFAULT;
1513
1514uschar *unknown_login = NULL;
1515uschar *unknown_username = NULL;
1516uschar *untrusted_set_sender = NULL;
1517
1518/* A regex for matching a "From_" line in an incoming message, in the form
1519
1520 From ph10 Fri Jan 5 12:35 GMT 1996
1521
1522which the "mail" commands send to the MTA (undocumented, of course), or in
1523the form
1524
1525 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1526
1527which is apparently used by some UUCPs, despite it not being in RFC 976.
1528Because of variations in time formats, just match up to the minutes. That
1529should be sufficient. Examples have been seen of time fields like 12:1:03,
1530so just require one digit for hours and minutes. The weekday is also absent
1531in some forms. */
1532
1533uschar *uucp_from_pattern = US
1534 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1535 "(?:" /* Non-extracting bracket */
1536 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1537 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1538 ")" /* End alternation */
1539 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1540
1541uschar *uucp_from_sender = US"$1";
1542
1543uschar *verify_mode = NULL;
1544uschar *version_copyright =
1545 US"Copyright (c) University of Cambridge, 1995 - 2017\n"
1546 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2017";
1547uschar *version_date = US"?";
1548uschar *version_cnumber = US"????";
1549uschar *version_string = US"?";
1550
1551uschar *warn_message_file = NULL;
1552int warning_count = 0;
1553uschar *warnmsg_delay = NULL;
1554uschar *warnmsg_recipients = NULL;
1555BOOL write_rejectlog = TRUE;
1556
1557
1558/* End of globals.c */
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