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Constify config_filename
[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 - 2016 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = nelem(optionlist_auths);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52BOOL opt_perl_taintmode = FALSE;
53#endif
54
55#ifdef EXPAND_DLFUNC
56tree_node *dlobj_anchor = NULL;
57#endif
58
59#ifdef LOOKUP_IBASE
60uschar *ibase_servers = NULL;
61#endif
62
63#ifdef LOOKUP_LDAP
64uschar *eldap_ca_cert_dir = NULL;
65uschar *eldap_ca_cert_file = NULL;
66uschar *eldap_cert_file = NULL;
67uschar *eldap_cert_key = NULL;
68uschar *eldap_cipher_suite = NULL;
69uschar *eldap_default_servers = NULL;
70uschar *eldap_require_cert = NULL;
71int eldap_version = -1;
72BOOL eldap_start_tls = FALSE;
73#endif
74
75#ifdef LOOKUP_MYSQL
76uschar *mysql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_ORACLE
80uschar *oracle_servers = NULL;
81#endif
82
83#ifdef LOOKUP_PGSQL
84uschar *pgsql_servers = NULL;
85#endif
86
87#ifdef LOOKUP_REDIS
88uschar *redis_servers = NULL;
89#endif
90
91#ifdef LOOKUP_SQLITE
92int sqlite_lock_timeout = 5;
93#endif
94
95#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
96BOOL move_frozen_messages = FALSE;
97#endif
98
99/* These variables are outside the #ifdef because it keeps the code less
100cluttered in several places (e.g. during logging) if we can always refer to
101them. Also, the tls_ variables are now always visible. */
102
103tls_support tls_in = {
104 -1, /* tls_active */
105 0, /* tls_bits */
106 FALSE,/* tls_certificate_verified */
107#ifdef EXPERIMENTAL_DANE
108 FALSE,/* dane_verified */
109 0, /* tlsa_usage */
110#endif
111 NULL, /* tls_cipher */
112 FALSE,/* tls_on_connect */
113 NULL, /* tls_on_connect_ports */
114 NULL, /* tls_ourcert */
115 NULL, /* tls_peercert */
116 NULL, /* tls_peerdn */
117 NULL, /* tls_sni */
118 0 /* tls_ocsp */
119};
120tls_support tls_out = {
121 -1, /* tls_active */
122 0, /* tls_bits */
123 FALSE,/* tls_certificate_verified */
124#ifdef EXPERIMENTAL_DANE
125 FALSE,/* dane_verified */
126 0, /* tlsa_usage */
127#endif
128 NULL, /* tls_cipher */
129 FALSE,/* tls_on_connect */
130 NULL, /* tls_on_connect_ports */
131 NULL, /* tls_ourcert */
132 NULL, /* tls_peercert */
133 NULL, /* tls_peerdn */
134 NULL, /* tls_sni */
135 0 /* tls_ocsp */
136};
137
138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
141uschar *dsn_advertise_hosts = NULL;
142
143#ifdef SUPPORT_TLS
144BOOL gnutls_compat_mode = FALSE;
145BOOL gnutls_allow_auto_pkcs11 = FALSE;
146uschar *openssl_options = NULL;
147const pcre *regex_STARTTLS = NULL;
148uschar *tls_advertise_hosts = US"*";
149uschar *tls_certificate = NULL;
150uschar *tls_crl = NULL;
151/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
152that's the interop problem which has been observed: GnuTLS suggesting a higher
153bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
154int tls_dh_max_bits = 2236;
155uschar *tls_dhparam = NULL;
156uschar *tls_eccurve = US"prime256v1";
157# ifndef DISABLE_OCSP
158uschar *tls_ocsp_file = NULL;
159# endif
160uschar *tls_privatekey = NULL;
161BOOL tls_remember_esmtp = FALSE;
162uschar *tls_require_ciphers = NULL;
163uschar *tls_try_verify_hosts = NULL;
164uschar *tls_verify_certificates= US"system";
165uschar *tls_verify_hosts = NULL;
166#else /*!SUPPORT_TLS*/
167uschar *tls_advertise_hosts = NULL;
168#endif
169
170#ifndef DISABLE_PRDR
171/* Per Recipient Data Response variables */
172BOOL prdr_enable = FALSE;
173BOOL prdr_requested = FALSE;
174const pcre *regex_PRDR = NULL;
175#endif
176
177#ifdef SUPPORT_I18N
178const pcre *regex_UTF8 = NULL;
179#endif
180
181/* Input-reading functions for messages, so we can use special ones for
182incoming TCP/IP. The defaults use stdin. We never need these for any
183stand-alone tests. */
184
185#ifndef STAND_ALONE
186int (*lwr_receive_getc)(void) = stdin_getc;
187int (*lwr_receive_ungetc)(int) = stdin_ungetc;
188int (*receive_getc)(void) = stdin_getc;
189void (*receive_get_cache)(void)= NULL;
190int (*receive_ungetc)(int) = stdin_ungetc;
191int (*receive_feof)(void) = stdin_feof;
192int (*receive_ferror)(void) = stdin_ferror;
193BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
194#endif
195
196
197/* List of per-address expansion variables for clearing and saving/restoring
198when verifying one address while routing/verifying another. We have to have
199the size explicit, because it is referenced from more than one module. */
200
201const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
202 CUSS &deliver_address_data,
203 CUSS &deliver_domain,
204 CUSS &deliver_domain_data,
205 CUSS &deliver_domain_orig,
206 CUSS &deliver_domain_parent,
207 CUSS &deliver_localpart,
208 CUSS &deliver_localpart_data,
209 CUSS &deliver_localpart_orig,
210 CUSS &deliver_localpart_parent,
211 CUSS &deliver_localpart_prefix,
212 CUSS &deliver_localpart_suffix,
213 CUSS (uschar **)(&deliver_recipients),
214 CUSS &deliver_host,
215 CUSS &deliver_home,
216 CUSS &address_file,
217 CUSS &address_pipe,
218 CUSS &self_hostname,
219 NULL };
220
221int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
222
223/* General global variables */
224
225header_line *acl_added_headers = NULL;
226tree_node *acl_anchor = NULL;
227uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
228 NULL, NULL, NULL, NULL};
229int acl_narg = 0;
230
231uschar *acl_not_smtp = NULL;
232#ifdef WITH_CONTENT_SCAN
233uschar *acl_not_smtp_mime = NULL;
234#endif
235uschar *acl_not_smtp_start = NULL;
236uschar *acl_removed_headers = NULL;
237uschar *acl_smtp_auth = NULL;
238uschar *acl_smtp_connect = NULL;
239uschar *acl_smtp_data = NULL;
240#ifndef DISABLE_PRDR
241uschar *acl_smtp_data_prdr = US"accept";
242#endif
243#ifndef DISABLE_DKIM
244uschar *acl_smtp_dkim = NULL;
245#endif
246uschar *acl_smtp_etrn = NULL;
247uschar *acl_smtp_expn = NULL;
248uschar *acl_smtp_helo = NULL;
249uschar *acl_smtp_mail = NULL;
250uschar *acl_smtp_mailauth = NULL;
251#ifdef WITH_CONTENT_SCAN
252uschar *acl_smtp_mime = NULL;
253#endif
254uschar *acl_smtp_notquit = NULL;
255uschar *acl_smtp_predata = NULL;
256uschar *acl_smtp_quit = NULL;
257uschar *acl_smtp_rcpt = NULL;
258uschar *acl_smtp_starttls = NULL;
259uschar *acl_smtp_vrfy = NULL;
260
261BOOL acl_temp_details = FALSE;
262tree_node *acl_var_c = NULL;
263tree_node *acl_var_m = NULL;
264uschar *acl_verify_message = NULL;
265string_item *acl_warn_logged = NULL;
266
267/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
268error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
269
270uschar *acl_wherenames[] = { US"RCPT",
271 US"MAIL",
272 US"PREDATA",
273 US"MIME",
274 US"DKIM",
275 US"DATA",
276#ifndef DISABLE_PRDR
277 US"PRDR",
278#endif
279 US"non-SMTP",
280 US"AUTH",
281 US"connection",
282 US"ETRN",
283 US"EXPN",
284 US"EHLO or HELO",
285 US"MAILAUTH",
286 US"non-SMTP-start",
287 US"NOTQUIT",
288 US"QUIT",
289 US"STARTTLS",
290 US"VRFY",
291 US"delivery",
292 US"unknown"
293 };
294
295uschar *acl_wherecodes[] = { US"550", /* RCPT */
296 US"550", /* MAIL */
297 US"550", /* PREDATA */
298 US"550", /* MIME */
299 US"550", /* DKIM */
300 US"550", /* DATA */
301#ifndef DISABLE_PRDR
302 US"550", /* RCPT PRDR */
303#endif
304 US"0", /* not SMTP; not relevant */
305 US"503", /* AUTH */
306 US"550", /* connect */
307 US"458", /* ETRN */
308 US"550", /* EXPN */
309 US"550", /* HELO/EHLO */
310 US"0", /* MAILAUTH; not relevant */
311 US"0", /* not SMTP; not relevant */
312 US"0", /* NOTQUIT; not relevant */
313 US"0", /* QUIT; not relevant */
314 US"550", /* STARTTLS */
315 US"252", /* VRFY */
316 US"0", /* delivery; not relevant */
317 US"0" /* unknown; not relevant */
318 };
319
320BOOL active_local_from_check = FALSE;
321BOOL active_local_sender_retain = FALSE;
322BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
323uschar *add_environment = NULL;
324address_item *addr_duplicate = NULL;
325
326address_item address_defaults = {
327 NULL, /* next */
328 NULL, /* parent */
329 NULL, /* first */
330 NULL, /* dupof */
331 NULL, /* start_router */
332 NULL, /* router */
333 NULL, /* transport */
334 NULL, /* host_list */
335 NULL, /* host_used */
336 NULL, /* fallback_hosts */
337 NULL, /* reply */
338 NULL, /* retries */
339 NULL, /* address */
340 NULL, /* unique */
341 NULL, /* cc_local_part */
342 NULL, /* lc_local_part */
343 NULL, /* local_part */
344 NULL, /* prefix */
345 NULL, /* suffix */
346 NULL, /* domain */
347 NULL, /* address_retry_key */
348 NULL, /* domain_retry_key */
349 NULL, /* current_dir */
350 NULL, /* home_dir */
351 NULL, /* message */
352 NULL, /* user_message */
353 NULL, /* onetime_parent */
354 NULL, /* pipe_expandn */
355 NULL, /* return_filename */
356 NULL, /* self_hostname */
357 NULL, /* shadow_message */
358#ifdef SUPPORT_TLS
359 NULL, /* cipher */
360 NULL, /* ourcert */
361 NULL, /* peercert */
362 NULL, /* peerdn */
363 OCSP_NOT_REQ, /* ocsp */
364#endif
365#ifdef EXPERIMENTAL_DSN_INFO
366 NULL, /* smtp_greeting */
367 NULL, /* helo_response */
368#endif
369 NULL, /* authenticator */
370 NULL, /* auth_id */
371 NULL, /* auth_sndr */
372 NULL, /* dsn_orcpt */
373 0, /* dsn_flags */
374 0, /* dsn_aware */
375 (uid_t)(-1), /* uid */
376 (gid_t)(-1), /* gid */
377 0, /* flags */
378 { 0 }, /* domain_cache - any larger array should be zeroed */
379 { 0 }, /* localpart_cache - ditto */
380 -1, /* mode */
381 0, /* more_errno */
382 ERRNO_UNKNOWNERROR, /* basic_errno */
383 0, /* child_count */
384 -1, /* return_file */
385 SPECIAL_NONE, /* special_action */
386 DEFER, /* transport_return */
387 { /* fields that are propagated to children */
388 NULL, /* address_data */
389 NULL, /* domain_data */
390 NULL, /* localpart_data */
391 NULL, /* errors_address */
392 NULL, /* extra_headers */
393 NULL, /* remove_headers */
394#ifdef EXPERIMENTAL_SRS
395 NULL, /* srs_sender */
396#endif
397#ifdef SUPPORT_I18N
398 FALSE, /* utf8 */
399#endif
400 }
401};
402
403uschar *address_file = NULL;
404uschar *address_pipe = NULL;
405BOOL address_test_mode = FALSE;
406tree_node *addresslist_anchor = NULL;
407int addresslist_count = 0;
408gid_t *admin_groups = NULL;
409BOOL admin_user = FALSE;
410BOOL allow_auth_unadvertised= FALSE;
411BOOL allow_domain_literals = FALSE;
412BOOL allow_mx_to_ip = FALSE;
413BOOL allow_unqualified_recipient = TRUE; /* For local messages */
414BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
415BOOL allow_utf8_domains = FALSE;
416uschar *authenticated_fail_id = NULL;
417uschar *authenticated_id = NULL;
418uschar *authenticated_sender = NULL;
419BOOL authentication_failed = FALSE;
420auth_instance *auths = NULL;
421uschar *auth_advertise_hosts = US"*";
422auth_instance auth_defaults = {
423 NULL, /* chain pointer */
424 NULL, /* name */
425 NULL, /* info */
426 NULL, /* private options block pointer */
427 NULL, /* driver_name */
428 NULL, /* advertise_condition */
429 NULL, /* client_condition */
430 NULL, /* public_name */
431 NULL, /* set_id */
432 NULL, /* set_client_id */
433 NULL, /* server_mail_auth_condition */
434 NULL, /* server_debug_string */
435 NULL, /* server_condition */
436 FALSE, /* client */
437 FALSE, /* server */
438 FALSE /* advertised */
439};
440
441uschar *auth_defer_msg = US"reason not recorded";
442uschar *auth_defer_user_msg = US"";
443uschar *auth_vars[AUTH_VARS];
444int auto_thaw = 0;
445#ifdef WITH_CONTENT_SCAN
446BOOL av_failed = FALSE;
447uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
448#endif
449
450BOOL background_daemon = TRUE;
451
452#if BASE_62 == 62
453uschar *base62_chars=
454 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
455#else
456uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
457#endif
458
459uschar *bi_command = NULL;
460uschar *big_buffer = NULL;
461int big_buffer_size = BIG_BUFFER_SIZE;
462#ifdef EXPERIMENTAL_BRIGHTMAIL
463uschar *bmi_alt_location = NULL;
464uschar *bmi_base64_tracker_verdict = NULL;
465uschar *bmi_base64_verdict = NULL;
466uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
467int bmi_deliver = 1;
468int bmi_run = 0;
469uschar *bmi_verdicts = NULL;
470#endif
471int body_8bitmime = 0;
472int body_linecount = 0;
473int body_zerocount = 0;
474uschar *bounce_message_file = NULL;
475uschar *bounce_message_text = NULL;
476uschar *bounce_recipient = NULL;
477BOOL bounce_return_body = TRUE;
478int bounce_return_linesize_limit = 998;
479BOOL bounce_return_message = TRUE;
480int bounce_return_size_limit = 100*1024;
481uschar *bounce_sender_authentication = NULL;
482int bsmtp_transaction_linecount = 0;
483
484uschar *callout_address = NULL;
485int callout_cache_domain_positive_expire = 7*24*60*60;
486int callout_cache_domain_negative_expire = 3*60*60;
487int callout_cache_positive_expire = 24*60*60;
488int callout_cache_negative_expire = 2*60*60;
489uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
490uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
491int check_log_inodes = 100;
492int check_log_space = 10*1024; /* 10K Kbyte == 10MB */
493BOOL check_rfc2047_length = TRUE;
494int check_spool_inodes = 100;
495int check_spool_space = 10*1024; /* 10K Kbyte == 10MB */
496
497uschar *chunking_advertise_hosts = US"*";
498unsigned chunking_datasize = 0;
499unsigned chunking_data_left = 0;
500BOOL chunking_offered = FALSE;
501chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
502const pcre *regex_CHUNKING = NULL;
503
504uschar *client_authenticator = NULL;
505uschar *client_authenticated_id = NULL;
506uschar *client_authenticated_sender = NULL;
507int clmacro_count = 0;
508uschar *clmacros[MAX_CLMACROS];
509BOOL config_changed = FALSE;
510FILE *config_file = NULL;
511const uschar *config_filename = NULL;
512int config_lineno = 0;
513#ifdef CONFIGURE_GROUP
514gid_t config_gid = CONFIGURE_GROUP;
515#else
516gid_t config_gid = 0;
517#endif
518uschar *config_main_filelist = US CONFIGURE_FILE
519 "\0<-----------Space to patch configure_filename->";
520uschar *config_main_filename = NULL;
521uschar *config_main_directory = NULL;
522
523#ifdef CONFIGURE_OWNER
524uid_t config_uid = CONFIGURE_OWNER;
525#else
526uid_t config_uid = 0;
527#endif
528
529int connection_max_messages= -1;
530uschar *continue_hostname = NULL;
531uschar *continue_host_address = NULL;
532BOOL continue_more = FALSE;
533int continue_sequence = 1;
534uschar *continue_transport = NULL;
535
536uschar *csa_status = NULL;
537cut_t cutthrough = {
538 FALSE, /* delivery: when to attempt */
539 FALSE, /* on defer: spool locally */
540 -1, /* fd: open connection */
541 0, /* nrcpt: number of addresses */
542};
543
544BOOL daemon_listen = FALSE;
545uschar *daemon_smtp_port = US"smtp";
546int daemon_startup_retries = 9;
547int daemon_startup_sleep = 30;
548
549#ifdef EXPERIMENTAL_DCC
550BOOL dcc_direct_add_header = FALSE;
551uschar *dcc_header = NULL;
552uschar *dcc_result = NULL;
553uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
554uschar *dccifd_options = US"header";
555#endif
556
557BOOL debug_daemon = FALSE;
558int debug_fd = -1;
559FILE *debug_file = NULL;
560int debug_notall[] = {
561 Di_memory,
562 -1
563};
564bit_table debug_options[] = { /* must be in alphabetical order */
565 BIT_TABLE(D, acl),
566 BIT_TABLE(D, all),
567 BIT_TABLE(D, auth),
568 BIT_TABLE(D, deliver),
569 BIT_TABLE(D, dns),
570 BIT_TABLE(D, dnsbl),
571 BIT_TABLE(D, exec),
572 BIT_TABLE(D, expand),
573 BIT_TABLE(D, filter),
574 BIT_TABLE(D, hints_lookup),
575 BIT_TABLE(D, host_lookup),
576 BIT_TABLE(D, ident),
577 BIT_TABLE(D, interface),
578 BIT_TABLE(D, lists),
579 BIT_TABLE(D, load),
580 BIT_TABLE(D, local_scan),
581 BIT_TABLE(D, lookup),
582 BIT_TABLE(D, memory),
583 BIT_TABLE(D, pid),
584 BIT_TABLE(D, process_info),
585 BIT_TABLE(D, queue_run),
586 BIT_TABLE(D, receive),
587 BIT_TABLE(D, resolver),
588 BIT_TABLE(D, retry),
589 BIT_TABLE(D, rewrite),
590 BIT_TABLE(D, route),
591 BIT_TABLE(D, timestamp),
592 BIT_TABLE(D, tls),
593 BIT_TABLE(D, transport),
594 BIT_TABLE(D, uid),
595 BIT_TABLE(D, verify),
596};
597int debug_options_count = nelem(debug_options);
598
599unsigned int debug_selector = 0;
600int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
601uschar *delay_warning_condition=
602 US"${if or {"
603 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
604 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
605 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
606 "} {no}{yes}}";
607BOOL delivery_date_remove = TRUE;
608uschar *deliver_address_data = NULL;
609int deliver_datafile = -1;
610const uschar *deliver_domain = NULL;
611uschar *deliver_domain_data = NULL;
612const uschar *deliver_domain_orig = NULL;
613const uschar *deliver_domain_parent = NULL;
614BOOL deliver_drop_privilege = FALSE;
615BOOL deliver_firsttime = FALSE;
616BOOL deliver_force = FALSE;
617BOOL deliver_freeze = FALSE;
618time_t deliver_frozen_at = 0;
619uschar *deliver_home = NULL;
620const uschar *deliver_host = NULL;
621const uschar *deliver_host_address = NULL;
622int deliver_host_port = 0;
623uschar *deliver_in_buffer = NULL;
624ino_t deliver_inode = 0;
625uschar *deliver_localpart = NULL;
626uschar *deliver_localpart_data = NULL;
627uschar *deliver_localpart_orig = NULL;
628uschar *deliver_localpart_parent = NULL;
629uschar *deliver_localpart_prefix = NULL;
630uschar *deliver_localpart_suffix = NULL;
631BOOL deliver_force_thaw = FALSE;
632BOOL deliver_manual_thaw = FALSE;
633uschar *deliver_out_buffer = NULL;
634int deliver_queue_load_max = -1;
635address_item *deliver_recipients = NULL;
636uschar *deliver_selectstring = NULL;
637BOOL deliver_selectstring_regex = FALSE;
638uschar *deliver_selectstring_sender = NULL;
639BOOL deliver_selectstring_sender_regex = FALSE;
640BOOL disable_callout_flush = FALSE;
641BOOL disable_delay_flush = FALSE;
642#ifdef ENABLE_DISABLE_FSYNC
643BOOL disable_fsync = FALSE;
644#endif
645BOOL disable_ipv6 = FALSE;
646BOOL disable_logging = FALSE;
647
648#ifndef DISABLE_DKIM
649BOOL dkim_collect_input = FALSE;
650uschar *dkim_cur_signer = NULL;
651BOOL dkim_disable_verify = FALSE;
652int dkim_key_length = 0;
653uschar *dkim_signers = NULL;
654uschar *dkim_signing_domain = NULL;
655uschar *dkim_signing_selector = NULL;
656uschar *dkim_verify_signers = US"$dkim_signers";
657#endif
658#ifdef EXPERIMENTAL_DMARC
659BOOL dmarc_has_been_checked = FALSE;
660uschar *dmarc_ar_header = NULL;
661uschar *dmarc_domain_policy = NULL;
662uschar *dmarc_forensic_sender = NULL;
663uschar *dmarc_history_file = NULL;
664uschar *dmarc_status = NULL;
665uschar *dmarc_status_text = NULL;
666uschar *dmarc_tld_file = NULL;
667uschar *dmarc_used_domain = NULL;
668BOOL dmarc_disable_verify = FALSE;
669BOOL dmarc_enable_forensic = FALSE;
670#endif
671
672uschar *dns_again_means_nonexist = NULL;
673int dns_csa_search_limit = 5;
674BOOL dns_csa_use_reverse = TRUE;
675#ifdef EXPERIMENTAL_DANE
676int dns_dane_ok = -1;
677#endif
678uschar *dns_ipv4_lookup = NULL;
679int dns_retrans = 0;
680int dns_retry = 0;
681int dns_dnssec_ok = -1; /* <0 = not coerced */
682uschar *dns_trust_aa = NULL;
683int dns_use_edns0 = -1; /* <0 = not coerced */
684uschar *dnslist_domain = NULL;
685uschar *dnslist_matched = NULL;
686uschar *dnslist_text = NULL;
687uschar *dnslist_value = NULL;
688tree_node *domainlist_anchor = NULL;
689int domainlist_count = 0;
690BOOL dont_deliver = FALSE;
691BOOL dot_ends = TRUE;
692BOOL drop_cr = FALSE; /* No longer used */
693uschar *dsn_from = US DEFAULT_DSN_FROM;
694
695BOOL enable_dollar_recipients = FALSE;
696BOOL envelope_to_remove = TRUE;
697int errno_quota = ERRNO_QUOTA;
698uschar *errors_copy = NULL;
699int error_handling = ERRORS_SENDER;
700uschar *errors_reply_to = NULL;
701int errors_sender_rc = EXIT_FAILURE;
702#ifndef DISABLE_EVENT
703uschar *event_action = NULL; /* expansion for delivery events */
704uschar *event_data = NULL; /* auxilary data variable for event */
705int event_defer_errno = 0;
706const uschar *event_name = NULL; /* event name variable */
707#endif
708
709
710gid_t exim_gid = EXIM_GID;
711BOOL exim_gid_set = TRUE; /* This gid is always set */
712uschar *exim_path = US BIN_DIRECTORY "/exim"
713 "\0<---------------Space to patch exim_path->";
714uid_t exim_uid = EXIM_UID;
715BOOL exim_uid_set = TRUE; /* This uid is always set */
716int expand_forbid = 0;
717int expand_nlength[EXPAND_MAXN+1];
718int expand_nmax = -1;
719uschar *expand_nstring[EXPAND_MAXN+1];
720BOOL expand_string_forcedfail = FALSE;
721uschar *expand_string_message;
722BOOL extract_addresses_remove_arguments = TRUE;
723uschar *extra_local_interfaces = NULL;
724
725int fake_response = OK;
726uschar *fake_response_text = US"Your message has been rejected but is "
727 "being kept for evaluation.\nIf it was a "
728 "legitimate message, it may still be "
729 "delivered to the target recipient(s).";
730int filter_n[FILTER_VARIABLE_COUNT];
731BOOL filter_running = FALSE;
732int filter_sn[FILTER_VARIABLE_COUNT];
733int filter_test = FTEST_NONE;
734uschar *filter_test_sfile = NULL;
735uschar *filter_test_ufile = NULL;
736uschar *filter_thisaddress = NULL;
737int finduser_retries = 0;
738uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
739uschar *freeze_tell = NULL;
740uschar *freeze_tell_config = NULL;
741uschar *fudged_queue_times = US"";
742
743uschar *gecos_name = NULL;
744uschar *gecos_pattern = NULL;
745rewrite_rule *global_rewrite_rules = NULL;
746
747uschar *headers_charset = US HEADERS_CHARSET;
748int header_insert_maxlen = 64 * 1024;
749header_line *header_last = NULL;
750header_line *header_list = NULL;
751int header_maxsize = HEADER_MAXSIZE;
752int header_line_maxsize = 0;
753
754header_name header_names[] = {
755 { US"bcc", 3, TRUE, htype_bcc },
756 { US"cc", 2, TRUE, htype_cc },
757 { US"date", 4, TRUE, htype_date },
758 { US"delivery-date", 13, FALSE, htype_delivery_date },
759 { US"envelope-to", 11, FALSE, htype_envelope_to },
760 { US"from", 4, TRUE, htype_from },
761 { US"message-id", 10, TRUE, htype_id },
762 { US"received", 8, FALSE, htype_received },
763 { US"reply-to", 8, FALSE, htype_reply_to },
764 { US"return-path", 11, FALSE, htype_return_path },
765 { US"sender", 6, TRUE, htype_sender },
766 { US"subject", 7, FALSE, htype_subject },
767 { US"to", 2, TRUE, htype_to }
768};
769
770int header_names_size = sizeof(header_names)/sizeof(header_name);
771
772BOOL header_rewritten = FALSE;
773uschar *helo_accept_junk_hosts = NULL;
774uschar *helo_allow_chars = US"";
775uschar *helo_lookup_domains = US"@ : @[]";
776uschar *helo_try_verify_hosts = NULL;
777BOOL helo_verified = FALSE;
778BOOL helo_verify_failed = FALSE;
779uschar *helo_verify_hosts = NULL;
780const uschar *hex_digits = CUS"0123456789abcdef";
781uschar *hold_domains = NULL;
782BOOL host_checking = FALSE;
783BOOL host_checking_callout = FALSE;
784uschar *host_data = NULL;
785BOOL host_find_failed_syntax= FALSE;
786uschar *host_lookup = NULL;
787BOOL host_lookup_deferred = FALSE;
788BOOL host_lookup_failed = FALSE;
789uschar *host_lookup_order = US"bydns:byaddr";
790uschar *host_lookup_msg = US"";
791int host_number = 0;
792uschar *host_number_string = NULL;
793uschar *host_reject_connection = NULL;
794tree_node *hostlist_anchor = NULL;
795int hostlist_count = 0;
796uschar *hosts_treat_as_local = NULL;
797uschar *hosts_connection_nolog = NULL;
798
799int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
800BOOL ignore_fromline_local = FALSE;
801uschar *ignore_fromline_hosts = NULL;
802BOOL inetd_wait_mode = FALSE;
803int inetd_wait_timeout = -1;
804uschar *initial_cwd = NULL;
805uschar *interface_address = NULL;
806int interface_port = -1;
807BOOL is_inetd = FALSE;
808uschar *iterate_item = NULL;
809
810int journal_fd = -1;
811
812uschar *keep_environment = NULL;
813
814int keep_malformed = 4*24*60*60; /* 4 days */
815
816uschar *eldap_dn = NULL;
817int load_average = -2;
818BOOL local_error_message = FALSE;
819BOOL local_from_check = TRUE;
820uschar *local_from_prefix = NULL;
821uschar *local_from_suffix = NULL;
822
823#if HAVE_IPV6
824uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
825#else
826uschar *local_interfaces = US"0.0.0.0";
827#endif
828
829uschar *local_scan_data = NULL;
830int local_scan_timeout = 5*60;
831BOOL local_sender_retain = FALSE;
832gid_t local_user_gid = (gid_t)(-1);
833uid_t local_user_uid = (uid_t)(-1);
834
835tree_node *localpartlist_anchor= NULL;
836int localpartlist_count = 0;
837uschar *log_buffer = NULL;
838
839int log_default[] = { /* for initializing log_selector */
840 Li_acl_warn_skipped,
841 Li_connection_reject,
842 Li_delay_delivery,
843 Li_dnslist_defer,
844 Li_etrn,
845 Li_host_lookup_failed,
846 Li_lost_incoming_connection,
847 Li_outgoing_interface, /* see d_log_interface in deliver.c */
848 Li_queue_run,
849 Li_rejected_header,
850 Li_retry_defer,
851 Li_sender_verify_fail,
852 Li_size_reject,
853 Li_skip_delivery,
854 Li_smtp_confirmation,
855 Li_tls_certificate_verified,
856 Li_tls_cipher,
857 -1
858};
859
860uschar *log_file_path = US LOG_FILE_PATH
861 "\0<--------------Space to patch log_file_path->";
862
863int log_notall[] = {
864 -1
865};
866bit_table log_options[] = { /* must be in alphabetical order */
867 BIT_TABLE(L, 8bitmime),
868 BIT_TABLE(L, acl_warn_skipped),
869 BIT_TABLE(L, address_rewrite),
870 BIT_TABLE(L, all),
871 BIT_TABLE(L, all_parents),
872 BIT_TABLE(L, arguments),
873 BIT_TABLE(L, connection_reject),
874 BIT_TABLE(L, delay_delivery),
875 BIT_TABLE(L, deliver_time),
876 BIT_TABLE(L, delivery_size),
877 BIT_TABLE(L, dnslist_defer),
878 BIT_TABLE(L, dnssec),
879 BIT_TABLE(L, etrn),
880 BIT_TABLE(L, host_lookup_failed),
881 BIT_TABLE(L, ident_timeout),
882 BIT_TABLE(L, incoming_interface),
883 BIT_TABLE(L, incoming_port),
884 BIT_TABLE(L, lost_incoming_connection),
885 BIT_TABLE(L, outgoing_interface),
886 BIT_TABLE(L, outgoing_port),
887 BIT_TABLE(L, pid),
888#if defined(SUPPORT_PROXY) || defined (SUPPORT_SOCKS)
889 BIT_TABLE(L, proxy),
890#endif
891 BIT_TABLE(L, queue_run),
892 BIT_TABLE(L, queue_time),
893 BIT_TABLE(L, queue_time_overall),
894 BIT_TABLE(L, received_recipients),
895 BIT_TABLE(L, received_sender),
896 BIT_TABLE(L, rejected_header),
897 { US"rejected_headers", Li_rejected_header },
898 BIT_TABLE(L, retry_defer),
899 BIT_TABLE(L, return_path_on_delivery),
900 BIT_TABLE(L, sender_on_delivery),
901 BIT_TABLE(L, sender_verify_fail),
902 BIT_TABLE(L, size_reject),
903 BIT_TABLE(L, skip_delivery),
904 BIT_TABLE(L, smtp_confirmation),
905 BIT_TABLE(L, smtp_connection),
906 BIT_TABLE(L, smtp_incomplete_transaction),
907 BIT_TABLE(L, smtp_mailauth),
908 BIT_TABLE(L, smtp_no_mail),
909 BIT_TABLE(L, smtp_protocol_error),
910 BIT_TABLE(L, smtp_syntax_error),
911 BIT_TABLE(L, subject),
912 BIT_TABLE(L, tls_certificate_verified),
913 BIT_TABLE(L, tls_cipher),
914 BIT_TABLE(L, tls_peerdn),
915 BIT_TABLE(L, tls_sni),
916 BIT_TABLE(L, unknown_in_list),
917};
918int log_options_count = nelem(log_options);
919
920int log_reject_target = 0;
921unsigned int log_selector[log_selector_size]; /* initialized in main() */
922uschar *log_selector_string = NULL;
923FILE *log_stderr = NULL;
924BOOL log_testing_mode = FALSE;
925BOOL log_timezone = FALSE;
926uschar *login_sender_address = NULL;
927uschar *lookup_dnssec_authenticated = NULL;
928int lookup_open_max = 25;
929uschar *lookup_value = NULL;
930
931macro_item *macros = NULL;
932macro_item *mlast = NULL;
933BOOL macros_builtin_created = FALSE;
934uschar *mailstore_basename = NULL;
935#ifdef WITH_CONTENT_SCAN
936uschar *malware_name = NULL; /* Virus Name */
937#endif
938int max_received_linelength= 0;
939int max_username_length = 0;
940int message_age = 0;
941uschar *message_body = NULL;
942uschar *message_body_end = NULL;
943BOOL message_body_newlines = FALSE;
944int message_body_size = 0;
945int message_body_visible = 500;
946int message_ended = END_NOTSTARTED;
947uschar *message_headers = NULL;
948uschar *message_id;
949uschar *message_id_domain = NULL;
950uschar *message_id_text = NULL;
951struct timeval message_id_tv = { 0, 0 };
952uschar message_id_option[MESSAGE_ID_LENGTH + 3];
953uschar *message_id_external;
954int message_linecount = 0;
955BOOL message_logs = TRUE;
956int message_size = 0;
957uschar *message_size_limit = US"50M";
958#ifdef SUPPORT_I18N
959BOOL message_smtputf8 = FALSE;
960int message_utf8_downconvert = 0; /* -1 ifneeded; 0 never; 1 always */
961#endif
962uschar message_subdir[2] = { 0, 0 };
963uschar *message_reference = NULL;
964
965/* MIME ACL expandables */
966#ifdef WITH_CONTENT_SCAN
967int mime_anomaly_level = 0;
968const uschar *mime_anomaly_text = NULL;
969uschar *mime_boundary = NULL;
970uschar *mime_charset = NULL;
971uschar *mime_content_description = NULL;
972uschar *mime_content_disposition = NULL;
973uschar *mime_content_id = NULL;
974unsigned int mime_content_size = 0;
975uschar *mime_content_transfer_encoding = NULL;
976uschar *mime_content_type = NULL;
977uschar *mime_decoded_filename = NULL;
978uschar *mime_filename = NULL;
979int mime_is_multipart = 0;
980int mime_is_coverletter = 0;
981int mime_is_rfc822 = 0;
982int mime_part_count = -1;
983#endif
984
985BOOL mua_wrapper = FALSE;
986
987uid_t *never_users = NULL;
988#ifdef WITH_CONTENT_SCAN
989BOOL no_mbox_unspool = FALSE;
990#endif
991BOOL no_multiline_responses = FALSE;
992
993const int on = 1; /* for setsockopt */
994const int off = 0;
995
996uid_t original_euid;
997gid_t originator_gid;
998uschar *originator_login = NULL;
999uschar *originator_name = NULL;
1000uid_t originator_uid;
1001uschar *override_local_interfaces = NULL;
1002uschar *override_pid_file_path = NULL;
1003
1004BOOL parse_allow_group = FALSE;
1005BOOL parse_found_group = FALSE;
1006uschar *percent_hack_domains = NULL;
1007uschar *pid_file_path = US PID_FILE_PATH
1008 "\0<--------------Space to patch pid_file_path->";
1009BOOL pipelining_enable = TRUE;
1010uschar *pipelining_advertise_hosts = US"*";
1011BOOL preserve_message_logs = FALSE;
1012uschar *primary_hostname = NULL;
1013BOOL print_topbitchars = FALSE;
1014uschar process_info[PROCESS_INFO_SIZE];
1015int process_info_len = 0;
1016uschar *process_log_path = NULL;
1017BOOL prod_requires_admin = TRUE;
1018
1019#if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1020uschar *hosts_proxy = US"";
1021uschar *proxy_external_address = US"";
1022int proxy_external_port = 0;
1023uschar *proxy_local_address = US"";
1024int proxy_local_port = 0;
1025BOOL proxy_session = FALSE;
1026BOOL proxy_session_failed = FALSE;
1027#endif
1028
1029uschar *prvscheck_address = NULL;
1030uschar *prvscheck_keynum = NULL;
1031uschar *prvscheck_result = NULL;
1032
1033
1034const uschar *qualify_domain_recipient = NULL;
1035uschar *qualify_domain_sender = NULL;
1036BOOL queue_2stage = FALSE;
1037uschar *queue_domains = NULL;
1038int queue_interval = -1;
1039BOOL queue_list_requires_admin = TRUE;
1040uschar *queue_name = US"";
1041BOOL queue_only = FALSE;
1042uschar *queue_only_file = NULL;
1043int queue_only_load = -1;
1044BOOL queue_only_load_latch = TRUE;
1045BOOL queue_only_override = TRUE;
1046BOOL queue_only_policy = FALSE;
1047BOOL queue_run_first_delivery = FALSE;
1048BOOL queue_run_force = FALSE;
1049BOOL queue_run_in_order = FALSE;
1050BOOL queue_run_local = FALSE;
1051uschar *queue_run_max = US"5";
1052pid_t queue_run_pid = (pid_t)0;
1053int queue_run_pipe = -1;
1054BOOL queue_running = FALSE;
1055BOOL queue_smtp = FALSE;
1056uschar *queue_smtp_domains = NULL;
1057
1058unsigned int random_seed = 0;
1059tree_node *ratelimiters_cmd = NULL;
1060tree_node *ratelimiters_conn = NULL;
1061tree_node *ratelimiters_mail = NULL;
1062uschar *raw_active_hostname = NULL;
1063uschar *raw_sender = NULL;
1064uschar **raw_recipients = NULL;
1065int raw_recipients_count = 0;
1066
1067int rcpt_count = 0;
1068int rcpt_fail_count = 0;
1069int rcpt_defer_count = 0;
1070gid_t real_gid;
1071uid_t real_uid;
1072BOOL really_exim = TRUE;
1073BOOL receive_call_bombout = FALSE;
1074int receive_linecount = 0;
1075int receive_messagecount = 0;
1076int receive_timeout = 0;
1077int received_count = 0;
1078uschar *received_for = NULL;
1079
1080/* This is the default text for Received headers generated by Exim. The
1081date will be automatically added on the end. */
1082
1083uschar *received_header_text = US
1084 "Received: "
1085 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1086 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1087 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1088 "by $primary_hostname "
1089 "${if def:received_protocol {with $received_protocol}} "
1090 #ifdef SUPPORT_TLS
1091 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1092 #endif
1093 "(Exim $version_number)\n\t"
1094 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1095 "id $message_exim_id"
1096 "${if def:received_for {\n\tfor $received_for}}"
1097 "\0<---------------Space to patch received_header_text->";
1098
1099int received_headers_max = 30;
1100uschar *received_protocol = NULL;
1101int received_time = 0;
1102uschar *recipient_data = NULL;
1103uschar *recipient_unqualified_hosts = NULL;
1104uschar *recipient_verify_failure = NULL;
1105int recipients_count = 0;
1106BOOL recipients_discarded = FALSE;
1107recipient_item *recipients_list = NULL;
1108int recipients_list_max = 0;
1109int recipients_max = 0;
1110BOOL recipients_max_reject = FALSE;
1111const pcre *regex_AUTH = NULL;
1112const pcre *regex_check_dns_names = NULL;
1113const pcre *regex_From = NULL;
1114const pcre *regex_IGNOREQUOTA = NULL;
1115const pcre *regex_PIPELINING = NULL;
1116const pcre *regex_SIZE = NULL;
1117const pcre *regex_ismsgid = NULL;
1118const pcre *regex_smtp_code = NULL;
1119uschar *regex_vars[REGEX_VARS];
1120#ifdef WHITELIST_D_MACROS
1121const pcre *regex_whitelisted_macro = NULL;
1122#endif
1123#ifdef WITH_CONTENT_SCAN
1124uschar *regex_match_string = NULL;
1125#endif
1126int remote_delivery_count = 0;
1127int remote_max_parallel = 2;
1128uschar *remote_sort_domains = NULL;
1129int retry_data_expire = 7*24*60*60;
1130int retry_interval_max = 24*60*60;
1131int retry_maximum_timeout = 0; /* set from retry config */
1132retry_config *retries = NULL;
1133uschar *return_path = NULL;
1134BOOL return_path_remove = TRUE;
1135int rewrite_existflags = 0;
1136uschar *rfc1413_hosts = US"@[]";
1137int rfc1413_query_timeout = 0;
1138/* BOOL rfc821_domains = FALSE; <<< on the way out */
1139uid_t root_gid = ROOT_GID;
1140uid_t root_uid = ROOT_UID;
1141
1142router_instance *routers = NULL;
1143router_instance router_defaults = {
1144 NULL, /* chain pointer */
1145 NULL, /* name */
1146 NULL, /* info */
1147 NULL, /* private options block pointer */
1148 NULL, /* driver name */
1149
1150 NULL, /* address_data */
1151#ifdef EXPERIMENTAL_BRIGHTMAIL
1152 NULL, /* bmi_rule */
1153#endif
1154 NULL, /* cannot_route_message */
1155 NULL, /* condition */
1156 NULL, /* current_directory */
1157 NULL, /* debug_string */
1158 NULL, /* domains */
1159 NULL, /* errors_to */
1160 NULL, /* expand_gid */
1161 NULL, /* expand_uid */
1162 NULL, /* expand_more */
1163 NULL, /* expand_unseen */
1164 NULL, /* extra_headers */
1165 NULL, /* fallback_hosts */
1166 NULL, /* home_directory */
1167 NULL, /* ignore_target_hosts */
1168 NULL, /* local_parts */
1169 NULL, /* pass_router_name */
1170 NULL, /* prefix */
1171 NULL, /* redirect_router_name */
1172 NULL, /* remove_headers */
1173 NULL, /* require_files */
1174 NULL, /* router_home_directory */
1175 US"freeze", /* self */
1176 NULL, /* senders */
1177 NULL, /* suffix */
1178 NULL, /* translate_ip_address */
1179 NULL, /* transport_name */
1180
1181 TRUE, /* address_test */
1182#ifdef EXPERIMENTAL_BRIGHTMAIL
1183 FALSE, /* bmi_deliver_alternate */
1184 FALSE, /* bmi_deliver_default */
1185 FALSE, /* bmi_dont_deliver */
1186#endif
1187 TRUE, /* expn */
1188 FALSE, /* caseful_local_part */
1189 FALSE, /* check_local_user */
1190 FALSE, /* disable_logging */
1191 FALSE, /* fail_verify_recipient */
1192 FALSE, /* fail_verify_sender */
1193 FALSE, /* gid_set */
1194 FALSE, /* initgroups */
1195 TRUE_UNSET, /* log_as_local */
1196 TRUE, /* more */
1197 FALSE, /* pass_on_timeout */
1198 FALSE, /* prefix_optional */
1199 TRUE, /* repeat_use */
1200 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1201 FALSE, /* same_domain_copy_routing */
1202 FALSE, /* self_rewrite */
1203 FALSE, /* suffix_optional */
1204 FALSE, /* verify_only */
1205 TRUE, /* verify_recipient */
1206 TRUE, /* verify_sender */
1207 FALSE, /* uid_set */
1208 FALSE, /* unseen */
1209 FALSE, /* dsn_lasthop */
1210
1211 self_freeze, /* self_code */
1212 (uid_t)(-1), /* uid */
1213 (gid_t)(-1), /* gid */
1214
1215 NULL, /* fallback_hostlist */
1216 NULL, /* transport instance */
1217 NULL, /* pass_router */
1218 NULL, /* redirect_router */
1219
1220 { NULL, NULL }, /* dnssec_domains {require,request} */
1221};
1222
1223uschar *router_name = NULL;
1224
1225ip_address_item *running_interfaces = NULL;
1226BOOL running_in_test_harness = FALSE;
1227
1228/* This is a weird one. The following string gets patched in the binary by the
1229script that sets up a copy of Exim for running in the test harness. It seems
1230that compilers are now clever, and share constant strings if they can.
1231Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1232make use of the end of this string in order to save space. So the patching then
1233wrecks this. We defeat this optimization by adding some additional characters
1234onto the end of the string. */
1235
1236uschar *running_status = US">>>running<<<" "\0EXTRA";
1237
1238int runrc = 0;
1239
1240uschar *search_error_message = NULL;
1241BOOL search_find_defer = FALSE;
1242uschar *self_hostname = NULL;
1243uschar *sender_address = NULL;
1244unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1245uschar *sender_address_data = NULL;
1246BOOL sender_address_forced = FALSE;
1247uschar *sender_address_unrewritten = NULL;
1248uschar *sender_data = NULL;
1249unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1250uschar *sender_fullhost = NULL;
1251BOOL sender_helo_dnssec = FALSE;
1252uschar *sender_helo_name = NULL;
1253uschar **sender_host_aliases = &no_aliases;
1254uschar *sender_host_address = NULL;
1255uschar *sender_host_authenticated = NULL;
1256unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1257BOOL sender_host_dnssec = FALSE;
1258uschar *sender_host_name = NULL;
1259int sender_host_port = 0;
1260BOOL sender_host_notsocket = FALSE;
1261BOOL sender_host_unknown = FALSE;
1262uschar *sender_ident = NULL;
1263BOOL sender_local = FALSE;
1264BOOL sender_name_forced = FALSE;
1265uschar *sender_rate = NULL;
1266uschar *sender_rate_limit = NULL;
1267uschar *sender_rate_period = NULL;
1268uschar *sender_rcvhost = NULL;
1269BOOL sender_set_untrusted = FALSE;
1270uschar *sender_unqualified_hosts = NULL;
1271uschar *sender_verify_failure = NULL;
1272address_item *sender_verified_list = NULL;
1273address_item *sender_verified_failed = NULL;
1274int sender_verified_rc = -1;
1275BOOL sender_verified_responded = FALSE;
1276uschar *sending_ip_address = NULL;
1277int sending_port = -1;
1278SIGNAL_BOOL sigalrm_seen = FALSE;
1279uschar **sighup_argv = NULL;
1280int slow_lookup_log = 0; /* millisecs, zero disables */
1281int smtp_accept_count = 0;
1282BOOL smtp_accept_keepalive = TRUE;
1283int smtp_accept_max = 20;
1284int smtp_accept_max_nonmail= 10;
1285uschar *smtp_accept_max_nonmail_hosts = US"*";
1286int smtp_accept_max_per_connection = 1000;
1287uschar *smtp_accept_max_per_host = NULL;
1288int smtp_accept_queue = 0;
1289int smtp_accept_queue_per_connection = 10;
1290int smtp_accept_reserve = 0;
1291uschar *smtp_active_hostname = NULL;
1292BOOL smtp_authenticated = FALSE;
1293uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1294 "Exim $version_number $tod_full"
1295 "\0<---------------Space to patch smtp_banner->";
1296BOOL smtp_batched_input = FALSE;
1297BOOL smtp_check_spool_space = TRUE;
1298int smtp_ch_index = 0;
1299uschar *smtp_cmd_argument = NULL;
1300uschar *smtp_cmd_buffer = NULL;
1301time_t smtp_connection_start = 0;
1302uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1303int smtp_connect_backlog = 20;
1304double smtp_delay_mail = 0.0;
1305double smtp_delay_rcpt = 0.0;
1306BOOL smtp_enforce_sync = TRUE;
1307FILE *smtp_in = NULL;
1308BOOL smtp_input = FALSE;
1309int smtp_load_reserve = -1;
1310int smtp_mailcmd_count = 0;
1311FILE *smtp_out = NULL;
1312uschar *smtp_etrn_command = NULL;
1313BOOL smtp_etrn_serialize = TRUE;
1314int smtp_max_synprot_errors= 3;
1315int smtp_max_unknown_commands = 3;
1316uschar *smtp_notquit_reason = NULL;
1317uschar *smtp_ratelimit_hosts = NULL;
1318uschar *smtp_ratelimit_mail = NULL;
1319uschar *smtp_ratelimit_rcpt = NULL;
1320uschar *smtp_read_error = US"";
1321int smtp_receive_timeout = 5*60;
1322uschar *smtp_receive_timeout_s = NULL;
1323uschar *smtp_reserve_hosts = NULL;
1324BOOL smtp_return_error_details = FALSE;
1325int smtp_rlm_base = 0;
1326double smtp_rlm_factor = 0.0;
1327int smtp_rlm_limit = 0;
1328int smtp_rlm_threshold = INT_MAX;
1329int smtp_rlr_base = 0;
1330double smtp_rlr_factor = 0.0;
1331int smtp_rlr_limit = 0;
1332int smtp_rlr_threshold = INT_MAX;
1333unsigned smtp_peer_options = 0;
1334unsigned smtp_peer_options_wrap= 0;
1335#ifdef SUPPORT_I18N
1336uschar *smtputf8_advertise_hosts = US"*"; /* overridden under test-harness */
1337#endif
1338
1339#ifdef WITH_CONTENT_SCAN
1340uschar *spamd_address = US"127.0.0.1 783";
1341uschar *spam_bar = NULL;
1342uschar *spam_report = NULL;
1343uschar *spam_action = NULL;
1344uschar *spam_score = NULL;
1345uschar *spam_score_int = NULL;
1346#endif
1347#ifdef EXPERIMENTAL_SPF
1348uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1349uschar *spf_header_comment = NULL;
1350uschar *spf_received = NULL;
1351uschar *spf_result = NULL;
1352uschar *spf_smtp_comment = NULL;
1353#endif
1354
1355BOOL split_spool_directory = FALSE;
1356uschar *spool_directory = US SPOOL_DIRECTORY
1357 "\0<--------------Space to patch spool_directory->";
1358#ifdef EXPERIMENTAL_SRS
1359uschar *srs_config = NULL;
1360uschar *srs_db_address = NULL;
1361uschar *srs_db_key = NULL;
1362int srs_hashlength = 6;
1363int srs_hashmin = -1;
1364int srs_maxage = 31;
1365uschar *srs_orig_recipient = NULL;
1366uschar *srs_orig_sender = NULL;
1367uschar *srs_recipient = NULL;
1368uschar *srs_secrets = NULL;
1369uschar *srs_status = NULL;
1370BOOL srs_usehash = TRUE;
1371BOOL srs_usetimestamp = TRUE;
1372#endif
1373BOOL strict_acl_vars = FALSE;
1374int string_datestamp_offset= -1;
1375int string_datestamp_length= 0;
1376int string_datestamp_type = -1;
1377BOOL strip_excess_angle_brackets = FALSE;
1378BOOL strip_trailing_dot = FALSE;
1379uschar *submission_domain = NULL;
1380BOOL submission_mode = FALSE;
1381uschar *submission_name = NULL;
1382BOOL suppress_local_fixups = FALSE;
1383BOOL suppress_local_fixups_default = FALSE;
1384BOOL synchronous_delivery = FALSE;
1385BOOL syslog_duplication = TRUE;
1386int syslog_facility = LOG_MAIL;
1387BOOL syslog_pid = TRUE;
1388uschar *syslog_processname = US"exim";
1389BOOL syslog_timestamp = TRUE;
1390uschar *system_filter = NULL;
1391
1392uschar *system_filter_directory_transport = NULL;
1393uschar *system_filter_file_transport = NULL;
1394uschar *system_filter_pipe_transport = NULL;
1395uschar *system_filter_reply_transport = NULL;
1396
1397gid_t system_filter_gid = 0;
1398BOOL system_filter_gid_set = FALSE;
1399uid_t system_filter_uid = (uid_t)-1;
1400BOOL system_filter_uid_set = FALSE;
1401BOOL system_filtering = FALSE;
1402
1403BOOL tcp_nodelay = TRUE;
1404#ifdef USE_TCP_WRAPPERS
1405uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1406#endif
1407int test_harness_load_avg = 0;
1408int thismessage_size_limit = 0;
1409int timeout_frozen_after = 0;
1410BOOL timestamps_utc = FALSE;
1411
1412transport_instance *transports = NULL;
1413
1414transport_instance transport_defaults = {
1415 NULL, /* chain pointer */
1416 NULL, /* name */
1417 NULL, /* info */
1418 NULL, /* private options block pointer */
1419 NULL, /* driver name */
1420 NULL, /* setup entry point */
1421 1, /* batch_max */
1422 NULL, /* batch_id */
1423 NULL, /* home_dir */
1424 NULL, /* current_dir */
1425 NULL, /* expand-multi-domain */
1426 TRUE, /* multi-domain */
1427 FALSE, /* overrides_hosts */
1428 100, /* max_addresses */
1429 500, /* connection_max_messages */
1430 FALSE, /* deliver_as_creator */
1431 FALSE, /* disable_logging */
1432 FALSE, /* initgroups */
1433 FALSE, /* uid_set */
1434 FALSE, /* gid_set */
1435 (uid_t)(-1), /* uid */
1436 (gid_t)(-1), /* gid */
1437 NULL, /* expand_uid */
1438 NULL, /* expand_gid */
1439 NULL, /* warn_message */
1440 NULL, /* shadow */
1441 NULL, /* shadow_condition */
1442 NULL, /* filter_command */
1443 NULL, /* add_headers */
1444 NULL, /* remove_headers */
1445 NULL, /* return_path */
1446 NULL, /* debug_string */
1447 NULL, /* max_parallel */
1448 NULL, /* message_size_limit */
1449 NULL, /* headers_rewrite */
1450 NULL, /* rewrite_rules */
1451 0, /* rewrite_existflags */
1452 300, /* filter_timeout */
1453 FALSE, /* body_only */
1454 FALSE, /* delivery_date_add */
1455 FALSE, /* envelope_to_add */
1456 FALSE, /* headers_only */
1457 FALSE, /* rcpt_include_affixes */
1458 FALSE, /* return_path_add */
1459 FALSE, /* return_output */
1460 FALSE, /* return_fail_output */
1461 FALSE, /* log_output */
1462 FALSE, /* log_fail_output */
1463 FALSE, /* log_defer_output */
1464 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1465 1 nor 0 so can detect unset */
1466#ifndef DISABLE_EVENT
1467 ,NULL /* event_action */
1468#endif
1469};
1470
1471int transport_count;
1472uschar *transport_name = NULL;
1473int transport_newlines;
1474const uschar **transport_filter_argv = NULL;
1475int transport_filter_timeout;
1476BOOL transport_filter_timed_out = FALSE;
1477int transport_write_timeout= 0;
1478
1479tree_node *tree_dns_fails = NULL;
1480tree_node *tree_duplicates = NULL;
1481tree_node *tree_nonrecipients = NULL;
1482tree_node *tree_unusable = NULL;
1483
1484BOOL trusted_caller = FALSE;
1485BOOL trusted_config = TRUE;
1486gid_t *trusted_groups = NULL;
1487uid_t *trusted_users = NULL;
1488uschar *timezone_string = US TIMEZONE_DEFAULT;
1489
1490uschar *unknown_login = NULL;
1491uschar *unknown_username = NULL;
1492uschar *untrusted_set_sender = NULL;
1493
1494/* A regex for matching a "From_" line in an incoming message, in the form
1495
1496 From ph10 Fri Jan 5 12:35 GMT 1996
1497
1498which the "mail" commands send to the MTA (undocumented, of course), or in
1499the form
1500
1501 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1502
1503which is apparently used by some UUCPs, despite it not being in RFC 976.
1504Because of variations in time formats, just match up to the minutes. That
1505should be sufficient. Examples have been seen of time fields like 12:1:03,
1506so just require one digit for hours and minutes. The weekday is also absent
1507in some forms. */
1508
1509uschar *uucp_from_pattern = US
1510 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1511 "(?:" /* Non-extracting bracket */
1512 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1513 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1514 ")" /* End alternation */
1515 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1516
1517uschar *uucp_from_sender = US"$1";
1518
1519uschar *verify_mode = NULL;
1520uschar *version_copyright =
1521 US"Copyright (c) University of Cambridge, 1995 - 2016\n"
1522 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2016";
1523uschar *version_date = US"?";
1524uschar *version_cnumber = US"????";
1525uschar *version_string = US"?";
1526
1527uschar *warn_message_file = NULL;
1528int warning_count = 0;
1529uschar *warnmsg_delay = NULL;
1530uschar *warnmsg_recipients = NULL;
1531BOOL write_rejectlog = TRUE;
1532
1533
1534/* End of globals.c */
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