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Support use of system default CA bundle
[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 - 2014 */
6/* See the file NOTICE for conditions of use and distribution. */
7
8/* All the global variables are defined together in this one module, so
9that they are easy to find. */
10
11#include "exim.h"
12
13
14/* Generic options for auths, all of which live inside auth_instance
15data blocks and hence have the opt_public flag set. */
16
17optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36};
37
38int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40/* An empty host aliases list. */
41
42uschar *no_aliases = NULL;
43
44
45/* For comments on these variables, see globals.h. I'm too idle to
46duplicate them here... */
47
48#ifdef EXIM_PERL
49uschar *opt_perl_startup = NULL;
50BOOL opt_perl_at_start = FALSE;
51BOOL opt_perl_started = FALSE;
52#endif
53
54#ifdef EXPAND_DLFUNC
55tree_node *dlobj_anchor = NULL;
56#endif
57
58#ifdef LOOKUP_IBASE
59uschar *ibase_servers = NULL;
60#endif
61
62#ifdef LOOKUP_LDAP
63uschar *eldap_ca_cert_dir = NULL;
64uschar *eldap_ca_cert_file = NULL;
65uschar *eldap_cert_file = NULL;
66uschar *eldap_cert_key = NULL;
67uschar *eldap_cipher_suite = NULL;
68uschar *eldap_default_servers = NULL;
69uschar *eldap_require_cert = NULL;
70int eldap_version = -1;
71BOOL eldap_start_tls = FALSE;
72#endif
73
74#ifdef LOOKUP_MYSQL
75uschar *mysql_servers = NULL;
76#endif
77
78#ifdef LOOKUP_ORACLE
79uschar *oracle_servers = NULL;
80#endif
81
82#ifdef LOOKUP_PGSQL
83uschar *pgsql_servers = NULL;
84#endif
85
86#ifdef EXPERIMENTAL_REDIS
87uschar *redis_servers = NULL;
88#endif
89
90#ifdef LOOKUP_SQLITE
91int sqlite_lock_timeout = 5;
92#endif
93
94#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95BOOL move_frozen_messages = FALSE;
96#endif
97
98/* These variables are outside the #ifdef because it keeps the code less
99cluttered in several places (e.g. during logging) if we can always refer to
100them. Also, the tls_ variables are now always visible. */
101
102tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106#ifdef EXPERIMENTAL_DANE
107 FALSE,/* dane_verified */
108 0, /* tlsa_usage */
109#endif
110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
113 NULL, /* tls_ourcert */
114 NULL, /* tls_peercert */
115 NULL, /* tls_peerdn */
116 NULL, /* tls_sni */
117 0 /* tls_ocsp */
118};
119tls_support tls_out = {
120 -1, /* tls_active */
121 0, /* tls_bits */
122 FALSE,/* tls_certificate_verified */
123#ifdef EXPERIMENTAL_DANE
124 FALSE,/* dane_verified */
125 0, /* tlsa_usage */
126#endif
127 NULL, /* tls_cipher */
128 FALSE,/* tls_on_connect */
129 NULL, /* tls_on_connect_ports */
130 NULL, /* tls_ourcert */
131 NULL, /* tls_peercert */
132 NULL, /* tls_peerdn */
133 NULL, /* tls_sni */
134 0 /* tls_ocsp */
135};
136
137#ifdef EXPERIMENTAL_DSN
138uschar *dsn_envid = NULL;
139int dsn_ret = 0;
140const pcre *regex_DSN = NULL;
141BOOL smtp_use_dsn = FALSE;
142uschar *dsn_advertise_hosts = NULL;
143#endif
144
145#ifdef SUPPORT_TLS
146BOOL gnutls_compat_mode = FALSE;
147BOOL gnutls_allow_auto_pkcs11 = FALSE;
148uschar *gnutls_require_mac = NULL;
149uschar *gnutls_require_kx = NULL;
150uschar *gnutls_require_proto = NULL;
151uschar *openssl_options = NULL;
152const pcre *regex_STARTTLS = NULL;
153uschar *tls_advertise_hosts = NULL; /* This is deliberate */
154uschar *tls_certificate = NULL;
155uschar *tls_crl = NULL;
156/* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
157that's the interop problem which has been observed: GnuTLS suggesting a higher
158bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
159int tls_dh_max_bits = 2236;
160uschar *tls_dhparam = NULL;
161#ifndef DISABLE_OCSP
162uschar *tls_ocsp_file = NULL;
163#endif
164BOOL tls_offered = FALSE;
165uschar *tls_privatekey = NULL;
166BOOL tls_remember_esmtp = FALSE;
167uschar *tls_require_ciphers = NULL;
168uschar *tls_try_verify_hosts = NULL;
169uschar *tls_verify_certificates= NULL;
170uschar *tls_verify_hosts = NULL;
171#endif
172
173#ifndef DISABLE_PRDR
174/* Per Recipient Data Response variables */
175BOOL prdr_enable = FALSE;
176BOOL prdr_requested = FALSE;
177const pcre *regex_PRDR = NULL;
178#endif
179
180/* Input-reading functions for messages, so we can use special ones for
181incoming TCP/IP. The defaults use stdin. We never need these for any
182stand-alone tests. */
183
184#ifndef STAND_ALONE
185int (*receive_getc)(void) = stdin_getc;
186int (*receive_ungetc)(int) = stdin_ungetc;
187int (*receive_feof)(void) = stdin_feof;
188int (*receive_ferror)(void) = stdin_ferror;
189BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
190#endif
191
192
193/* List of per-address expansion variables for clearing and saving/restoring
194when verifying one address while routing/verifying another. We have to have
195the size explicit, because it is referenced from more than one module. */
196
197uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
198 &deliver_address_data,
199 &deliver_domain,
200 &deliver_domain_data,
201 &deliver_domain_orig,
202 &deliver_domain_parent,
203 &deliver_localpart,
204 &deliver_localpart_data,
205 &deliver_localpart_orig,
206 &deliver_localpart_parent,
207 &deliver_localpart_prefix,
208 &deliver_localpart_suffix,
209 (uschar **)(&deliver_recipients),
210 &deliver_host,
211 &deliver_home,
212 &address_file,
213 &address_pipe,
214 &self_hostname,
215 NULL };
216
217int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
218
219/* General global variables */
220
221header_line *acl_added_headers = NULL;
222tree_node *acl_anchor = NULL;
223uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
224 NULL, NULL, NULL, NULL};
225int acl_narg = 0;
226
227uschar *acl_not_smtp = NULL;
228#ifdef WITH_CONTENT_SCAN
229uschar *acl_not_smtp_mime = NULL;
230#endif
231uschar *acl_not_smtp_start = NULL;
232uschar *acl_removed_headers = NULL;
233uschar *acl_smtp_auth = NULL;
234uschar *acl_smtp_connect = NULL;
235uschar *acl_smtp_data = NULL;
236#ifndef DISABLE_PRDR
237uschar *acl_smtp_data_prdr = US"accept";
238#endif
239#ifndef DISABLE_DKIM
240uschar *acl_smtp_dkim = NULL;
241#endif
242uschar *acl_smtp_etrn = NULL;
243uschar *acl_smtp_expn = NULL;
244uschar *acl_smtp_helo = NULL;
245uschar *acl_smtp_mail = NULL;
246uschar *acl_smtp_mailauth = NULL;
247#ifdef WITH_CONTENT_SCAN
248uschar *acl_smtp_mime = NULL;
249#endif
250uschar *acl_smtp_notquit = NULL;
251uschar *acl_smtp_predata = NULL;
252uschar *acl_smtp_quit = NULL;
253uschar *acl_smtp_rcpt = NULL;
254uschar *acl_smtp_starttls = NULL;
255uschar *acl_smtp_vrfy = NULL;
256
257BOOL acl_temp_details = FALSE;
258tree_node *acl_var_c = NULL;
259tree_node *acl_var_m = NULL;
260uschar *acl_verify_message = NULL;
261string_item *acl_warn_logged = NULL;
262
263/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
264error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
265
266uschar *acl_wherenames[] = { US"RCPT",
267 US"MAIL",
268 US"PREDATA",
269 US"MIME",
270 US"DKIM",
271 US"DATA",
272#ifndef DISABLE_PRDR
273 US"PRDR",
274#endif
275 US"non-SMTP",
276 US"AUTH",
277 US"connection",
278 US"ETRN",
279 US"EXPN",
280 US"EHLO or HELO",
281 US"MAILAUTH",
282 US"non-SMTP-start",
283 US"NOTQUIT",
284 US"QUIT",
285 US"STARTTLS",
286 US"VRFY",
287 US"delivery",
288 US"unknown"
289 };
290
291uschar *acl_wherecodes[] = { US"550", /* RCPT */
292 US"550", /* MAIL */
293 US"550", /* PREDATA */
294 US"550", /* MIME */
295 US"550", /* DKIM */
296 US"550", /* DATA */
297#ifndef DISABLE_PRDR
298 US"550", /* RCPT PRDR */
299#endif
300 US"0", /* not SMTP; not relevant */
301 US"503", /* AUTH */
302 US"550", /* connect */
303 US"458", /* ETRN */
304 US"550", /* EXPN */
305 US"550", /* HELO/EHLO */
306 US"0", /* MAILAUTH; not relevant */
307 US"0", /* not SMTP; not relevant */
308 US"0", /* NOTQUIT; not relevant */
309 US"0", /* QUIT; not relevant */
310 US"550", /* STARTTLS */
311 US"252", /* VRFY */
312 US"0", /* delivery; not relevant */
313 US"0" /* unknown; not relevant */
314 };
315
316BOOL active_local_from_check = FALSE;
317BOOL active_local_sender_retain = FALSE;
318int body_8bitmime = 0;
319BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
320address_item *addr_duplicate = NULL;
321
322address_item address_defaults = {
323 NULL, /* next */
324 NULL, /* parent */
325 NULL, /* first */
326 NULL, /* dupof */
327 NULL, /* start_router */
328 NULL, /* router */
329 NULL, /* transport */
330 NULL, /* host_list */
331 NULL, /* host_used */
332 NULL, /* fallback_hosts */
333 NULL, /* reply */
334 NULL, /* retries */
335 NULL, /* address */
336 NULL, /* unique */
337 NULL, /* cc_local_part */
338 NULL, /* lc_local_part */
339 NULL, /* local_part */
340 NULL, /* prefix */
341 NULL, /* suffix */
342 NULL, /* domain */
343 NULL, /* address_retry_key */
344 NULL, /* domain_retry_key */
345 NULL, /* current_dir */
346 NULL, /* home_dir */
347 NULL, /* message */
348 NULL, /* user_message */
349 NULL, /* onetime_parent */
350 NULL, /* pipe_expandn */
351 NULL, /* return_filename */
352 NULL, /* self_hostname */
353 NULL, /* shadow_message */
354 #ifdef SUPPORT_TLS
355 NULL, /* cipher */
356 NULL, /* ourcert */
357 NULL, /* peercert */
358 NULL, /* peerdn */
359 OCSP_NOT_REQ, /* ocsp */
360 #endif
361 NULL, /* authenticator */
362 NULL, /* auth_id */
363 NULL, /* auth_sndr */
364 #ifdef EXPERIMENTAL_DSN
365 NULL, /* dsn_orcpt */
366 0, /* dsn_flags */
367 0, /* dsn_aware */
368 #endif
369 (uid_t)(-1), /* uid */
370 (gid_t)(-1), /* gid */
371 0, /* flags */
372 { 0 }, /* domain_cache - any larger array should be zeroed */
373 { 0 }, /* localpart_cache - ditto */
374 -1, /* mode */
375 0, /* more_errno */
376 ERRNO_UNKNOWNERROR, /* basic_errno */
377 0, /* child_count */
378 -1, /* return_file */
379 SPECIAL_NONE, /* special_action */
380 DEFER, /* transport_return */
381 { /* fields that are propagated to children */
382 NULL, /* address_data */
383 NULL, /* domain_data */
384 NULL, /* localpart_data */
385 NULL, /* errors_address */
386 NULL, /* extra_headers */
387 NULL, /* remove_headers */
388#ifdef EXPERIMENTAL_SRS
389 NULL, /* srs_sender */
390#endif
391 }
392};
393
394uschar *address_file = NULL;
395uschar *address_pipe = NULL;
396BOOL address_test_mode = FALSE;
397tree_node *addresslist_anchor = NULL;
398int addresslist_count = 0;
399gid_t *admin_groups = NULL;
400BOOL admin_user = FALSE;
401BOOL allow_auth_unadvertised= FALSE;
402BOOL allow_domain_literals = FALSE;
403BOOL allow_mx_to_ip = FALSE;
404BOOL allow_unqualified_recipient = TRUE; /* For local messages */
405BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
406BOOL allow_utf8_domains = FALSE;
407uschar *authenticated_fail_id = NULL;
408uschar *authenticated_id = NULL;
409uschar *authenticated_sender = NULL;
410BOOL authentication_failed = FALSE;
411auth_instance *auths = NULL;
412uschar *auth_advertise_hosts = US"*";
413auth_instance auth_defaults = {
414 NULL, /* chain pointer */
415 NULL, /* name */
416 NULL, /* info */
417 NULL, /* private options block pointer */
418 NULL, /* driver_name */
419 NULL, /* advertise_condition */
420 NULL, /* client_condition */
421 NULL, /* public_name */
422 NULL, /* set_id */
423 NULL, /* set_client_id */
424 NULL, /* server_mail_auth_condition */
425 NULL, /* server_debug_string */
426 NULL, /* server_condition */
427 FALSE, /* client */
428 FALSE, /* server */
429 FALSE /* advertised */
430};
431
432uschar *auth_defer_msg = US"reason not recorded";
433uschar *auth_defer_user_msg = US"";
434uschar *auth_vars[AUTH_VARS];
435int auto_thaw = 0;
436#ifdef WITH_CONTENT_SCAN
437BOOL av_failed = FALSE;
438uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
439#endif
440
441BOOL background_daemon = TRUE;
442
443#if BASE_62 == 62
444uschar *base62_chars=
445 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
446#else
447uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
448#endif
449
450uschar *bi_command = NULL;
451uschar *big_buffer = NULL;
452int big_buffer_size = BIG_BUFFER_SIZE;
453#ifdef EXPERIMENTAL_BRIGHTMAIL
454uschar *bmi_alt_location = NULL;
455uschar *bmi_base64_tracker_verdict = NULL;
456uschar *bmi_base64_verdict = NULL;
457uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
458int bmi_deliver = 1;
459int bmi_run = 0;
460uschar *bmi_verdicts = NULL;
461#endif
462int body_linecount = 0;
463int body_zerocount = 0;
464uschar *bounce_message_file = NULL;
465uschar *bounce_message_text = NULL;
466uschar *bounce_recipient = NULL;
467BOOL bounce_return_body = TRUE;
468BOOL bounce_return_message = TRUE;
469int bounce_return_size_limit = 100*1024;
470uschar *bounce_sender_authentication = NULL;
471int bsmtp_transaction_linecount = 0;
472
473int callout_cache_domain_positive_expire = 7*24*60*60;
474int callout_cache_domain_negative_expire = 3*60*60;
475int callout_cache_positive_expire = 24*60*60;
476int callout_cache_negative_expire = 2*60*60;
477uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
478uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
479int check_log_inodes = 0;
480int check_log_space = 0;
481BOOL check_rfc2047_length = TRUE;
482int check_spool_inodes = 0;
483int check_spool_space = 0;
484uschar *client_authenticator = NULL;
485uschar *client_authenticated_id = NULL;
486uschar *client_authenticated_sender = NULL;
487int clmacro_count = 0;
488uschar *clmacros[MAX_CLMACROS];
489BOOL config_changed = FALSE;
490FILE *config_file = NULL;
491uschar *config_filename = NULL;
492int config_lineno = 0;
493#ifdef CONFIGURE_GROUP
494gid_t config_gid = CONFIGURE_GROUP;
495#endif
496uschar *config_main_filelist = US CONFIGURE_FILE
497 "\0<-----------Space to patch configure_filename->";
498uschar *config_main_filename = NULL;
499
500#ifdef CONFIGURE_OWNER
501uid_t config_uid = CONFIGURE_OWNER;
502#endif
503
504int connection_max_messages= -1;
505uschar *continue_hostname = NULL;
506uschar *continue_host_address = NULL;
507BOOL continue_more = FALSE;
508int continue_sequence = 1;
509uschar *continue_transport = NULL;
510
511uschar *csa_status = NULL;
512BOOL cutthrough_delivery = FALSE;
513int cutthrough_fd = -1;
514
515BOOL daemon_listen = FALSE;
516uschar *daemon_smtp_port = US"smtp";
517int daemon_startup_retries = 9;
518int daemon_startup_sleep = 30;
519
520#ifdef EXPERIMENTAL_DCC
521BOOL dcc_direct_add_header = FALSE;
522uschar *dcc_header = NULL;
523uschar *dcc_result = NULL;
524uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
525uschar *dccifd_options = US"header";
526#endif
527
528BOOL debug_daemon = FALSE;
529int debug_fd = -1;
530FILE *debug_file = NULL;
531bit_table debug_options[] = {
532 { US"acl", D_acl },
533 { US"all", D_all },
534 { US"auth", D_auth },
535 { US"deliver", D_deliver },
536 { US"dns", D_dns },
537 { US"dnsbl", D_dnsbl },
538 { US"exec", D_exec },
539 { US"expand", D_expand },
540 { US"filter", D_filter },
541 { US"hints_lookup", D_hints_lookup },
542 { US"host_lookup", D_host_lookup },
543 { US"ident", D_ident },
544 { US"interface", D_interface },
545 { US"lists", D_lists },
546 { US"load", D_load },
547 { US"local_scan", D_local_scan },
548 { US"lookup", D_lookup },
549 { US"memory", D_memory },
550 { US"pid", D_pid },
551 { US"process_info", D_process_info },
552 { US"queue_run", D_queue_run },
553 { US"receive", D_receive },
554 { US"resolver", D_resolver },
555 { US"retry", D_retry },
556 { US"rewrite", D_rewrite },
557 { US"route", D_route },
558 { US"timestamp", D_timestamp },
559 { US"tls", D_tls },
560 { US"transport", D_transport },
561 { US"uid", D_uid },
562 { US"verify", D_verify }
563};
564int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
565unsigned int debug_selector = 0;
566int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
567uschar *delay_warning_condition=
568 US"${if or {"
569 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
570 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
571 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
572 "} {no}{yes}}";
573BOOL delivery_date_remove = TRUE;
574uschar *deliver_address_data = NULL;
575int deliver_datafile = -1;
576uschar *deliver_domain = NULL;
577uschar *deliver_domain_data = NULL;
578uschar *deliver_domain_orig = NULL;
579uschar *deliver_domain_parent = NULL;
580BOOL deliver_drop_privilege = FALSE;
581BOOL deliver_firsttime = FALSE;
582BOOL deliver_force = FALSE;
583BOOL deliver_freeze = FALSE;
584time_t deliver_frozen_at = 0;
585uschar *deliver_home = NULL;
586uschar *deliver_host = NULL;
587uschar *deliver_host_address = NULL;
588int deliver_host_port = 0;
589uschar *deliver_in_buffer = NULL;
590ino_t deliver_inode = 0;
591uschar *deliver_localpart = NULL;
592uschar *deliver_localpart_data = NULL;
593uschar *deliver_localpart_orig = NULL;
594uschar *deliver_localpart_parent = NULL;
595uschar *deliver_localpart_prefix = NULL;
596uschar *deliver_localpart_suffix = NULL;
597BOOL deliver_force_thaw = FALSE;
598BOOL deliver_manual_thaw = FALSE;
599uschar *deliver_out_buffer = NULL;
600int deliver_queue_load_max = -1;
601address_item *deliver_recipients = NULL;
602uschar *deliver_selectstring = NULL;
603BOOL deliver_selectstring_regex = FALSE;
604uschar *deliver_selectstring_sender = NULL;
605BOOL deliver_selectstring_sender_regex = FALSE;
606#ifdef WITH_OLD_DEMIME
607int demime_errorlevel = 0;
608int demime_ok = 0;
609uschar *demime_reason = NULL;
610#endif
611BOOL disable_callout_flush = FALSE;
612BOOL disable_delay_flush = FALSE;
613#ifdef ENABLE_DISABLE_FSYNC
614BOOL disable_fsync = FALSE;
615#endif
616BOOL disable_ipv6 = FALSE;
617BOOL disable_logging = FALSE;
618
619#ifndef DISABLE_DKIM
620uschar *dkim_cur_signer = NULL;
621uschar *dkim_signers = NULL;
622uschar *dkim_signing_domain = NULL;
623uschar *dkim_signing_selector = NULL;
624uschar *dkim_verify_signers = US"$dkim_signers";
625BOOL dkim_collect_input = FALSE;
626BOOL dkim_disable_verify = FALSE;
627#endif
628#ifdef EXPERIMENTAL_DMARC
629BOOL dmarc_has_been_checked = FALSE;
630uschar *dmarc_ar_header = NULL;
631uschar *dmarc_domain_policy = NULL;
632uschar *dmarc_forensic_sender = NULL;
633uschar *dmarc_history_file = NULL;
634uschar *dmarc_status = NULL;
635uschar *dmarc_status_text = NULL;
636uschar *dmarc_tld_file = NULL;
637uschar *dmarc_used_domain = NULL;
638BOOL dmarc_disable_verify = FALSE;
639BOOL dmarc_enable_forensic = FALSE;
640#endif
641
642uschar *dns_again_means_nonexist = NULL;
643int dns_csa_search_limit = 5;
644BOOL dns_csa_use_reverse = TRUE;
645#ifdef EXPERIMENTAL_DANE
646int dns_dane_ok = -1;
647#endif
648uschar *dns_ipv4_lookup = NULL;
649int dns_retrans = 0;
650int dns_retry = 0;
651int dns_dnssec_ok = -1; /* <0 = not coerced */
652int dns_use_edns0 = -1; /* <0 = not coerced */
653uschar *dnslist_domain = NULL;
654uschar *dnslist_matched = NULL;
655uschar *dnslist_text = NULL;
656uschar *dnslist_value = NULL;
657tree_node *domainlist_anchor = NULL;
658int domainlist_count = 0;
659BOOL dont_deliver = FALSE;
660BOOL dot_ends = TRUE;
661BOOL drop_cr = FALSE; /* No longer used */
662uschar *dsn_from = US DEFAULT_DSN_FROM;
663
664BOOL enable_dollar_recipients = FALSE;
665BOOL envelope_to_remove = TRUE;
666int errno_quota = ERRNO_QUOTA;
667uschar *errors_copy = NULL;
668int error_handling = ERRORS_SENDER;
669uschar *errors_reply_to = NULL;
670int errors_sender_rc = EXIT_FAILURE;
671#ifdef EXPERIMENTAL_EVENT
672uschar *event_action = NULL; /* expansion for delivery events */
673uschar *event_data = NULL; /* auxilary data variable for event */
674int event_defer_errno = 0;
675uschar *event_name = NULL; /* event name variable */
676#endif
677
678
679gid_t exim_gid = EXIM_GID;
680BOOL exim_gid_set = TRUE; /* This gid is always set */
681uschar *exim_path = US BIN_DIRECTORY "/exim"
682 "\0<---------------Space to patch exim_path->";
683uid_t exim_uid = EXIM_UID;
684BOOL exim_uid_set = TRUE; /* This uid is always set */
685int expand_forbid = 0;
686int expand_nlength[EXPAND_MAXN+1];
687int expand_nmax = -1;
688uschar *expand_nstring[EXPAND_MAXN+1];
689BOOL expand_string_forcedfail = FALSE;
690uschar *expand_string_message;
691BOOL extract_addresses_remove_arguments = TRUE;
692uschar *extra_local_interfaces = NULL;
693
694int fake_response = OK;
695uschar *fake_response_text = US"Your message has been rejected but is "
696 "being kept for evaluation.\nIf it was a "
697 "legitimate message, it may still be "
698 "delivered to the target recipient(s).";
699int filter_n[FILTER_VARIABLE_COUNT];
700BOOL filter_running = FALSE;
701int filter_sn[FILTER_VARIABLE_COUNT];
702int filter_test = FTEST_NONE;
703uschar *filter_test_sfile = NULL;
704uschar *filter_test_ufile = NULL;
705uschar *filter_thisaddress = NULL;
706int finduser_retries = 0;
707#ifdef WITH_OLD_DEMIME
708uschar *found_extension = NULL;
709#endif
710uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
711uschar *freeze_tell = NULL;
712uschar *freeze_tell_config = NULL;
713uschar *fudged_queue_times = US"";
714
715uschar *gecos_name = NULL;
716uschar *gecos_pattern = NULL;
717rewrite_rule *global_rewrite_rules = NULL;
718
719uschar *headers_charset = US HEADERS_CHARSET;
720int header_insert_maxlen = 64 * 1024;
721header_line *header_last = NULL;
722header_line *header_list = NULL;
723int header_maxsize = HEADER_MAXSIZE;
724int header_line_maxsize = 0;
725
726header_name header_names[] = {
727 { US"bcc", 3, TRUE, htype_bcc },
728 { US"cc", 2, TRUE, htype_cc },
729 { US"date", 4, TRUE, htype_date },
730 { US"delivery-date", 13, FALSE, htype_delivery_date },
731 { US"envelope-to", 11, FALSE, htype_envelope_to },
732 { US"from", 4, TRUE, htype_from },
733 { US"message-id", 10, TRUE, htype_id },
734 { US"received", 8, FALSE, htype_received },
735 { US"reply-to", 8, FALSE, htype_reply_to },
736 { US"return-path", 11, FALSE, htype_return_path },
737 { US"sender", 6, TRUE, htype_sender },
738 { US"subject", 7, FALSE, htype_subject },
739 { US"to", 2, TRUE, htype_to }
740};
741
742int header_names_size = sizeof(header_names)/sizeof(header_name);
743
744BOOL header_rewritten = FALSE;
745uschar *helo_accept_junk_hosts = NULL;
746uschar *helo_allow_chars = US"";
747uschar *helo_lookup_domains = US"@ : @[]";
748uschar *helo_try_verify_hosts = NULL;
749BOOL helo_verified = FALSE;
750BOOL helo_verify_failed = FALSE;
751uschar *helo_verify_hosts = NULL;
752const uschar *hex_digits = CUS"0123456789abcdef";
753uschar *hold_domains = NULL;
754BOOL host_checking = FALSE;
755BOOL host_checking_callout = FALSE;
756uschar *host_data = NULL;
757BOOL host_find_failed_syntax= FALSE;
758uschar *host_lookup = NULL;
759BOOL host_lookup_deferred = FALSE;
760BOOL host_lookup_failed = FALSE;
761uschar *host_lookup_order = US"bydns:byaddr";
762uschar *host_lookup_msg = US"";
763int host_number = 0;
764uschar *host_number_string = NULL;
765uschar *host_reject_connection = NULL;
766tree_node *hostlist_anchor = NULL;
767int hostlist_count = 0;
768uschar *hosts_treat_as_local = NULL;
769uschar *hosts_connection_nolog = NULL;
770
771int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
772BOOL ignore_fromline_local = FALSE;
773uschar *ignore_fromline_hosts = NULL;
774BOOL inetd_wait_mode = FALSE;
775int inetd_wait_timeout = -1;
776uschar *interface_address = NULL;
777int interface_port = -1;
778BOOL is_inetd = FALSE;
779uschar *iterate_item = NULL;
780
781int journal_fd = -1;
782
783int keep_malformed = 4*24*60*60; /* 4 days */
784
785uschar *eldap_dn = NULL;
786int load_average = -2;
787BOOL local_error_message = FALSE;
788BOOL local_from_check = TRUE;
789uschar *local_from_prefix = NULL;
790uschar *local_from_suffix = NULL;
791
792#if HAVE_IPV6
793uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
794#else
795uschar *local_interfaces = US"0.0.0.0";
796#endif
797
798uschar *local_scan_data = NULL;
799int local_scan_timeout = 5*60;
800BOOL local_sender_retain = FALSE;
801gid_t local_user_gid = (gid_t)(-1);
802uid_t local_user_uid = (uid_t)(-1);
803
804tree_node *localpartlist_anchor= NULL;
805int localpartlist_count = 0;
806uschar *log_buffer = NULL;
807unsigned int log_extra_selector = LX_default;
808uschar *log_file_path = US LOG_FILE_PATH
809 "\0<--------------Space to patch log_file_path->";
810
811/* Those log options with L_xxx identifiers have values less than 0x800000 and
812are the ones that get put into log_write_selector. They can be used in calls to
813log_write() to test for the bit. The options with LX_xxx identifiers have
814values greater than 0x80000000 and are put into log_extra_selector (without the
815top bit). They are never used in calls to log_write(), but are tested
816independently. This separation became necessary when the number of log
817selectors was getting close to filling a 32-bit word. */
818
819/* Note that this list must be in alphabetical order. */
820
821bit_table log_options[] = {
822 { US"8bitmime", LX_8bitmime },
823 { US"acl_warn_skipped", LX_acl_warn_skipped },
824 { US"address_rewrite", L_address_rewrite },
825 { US"all", L_all },
826 { US"all_parents", L_all_parents },
827 { US"arguments", LX_arguments },
828 { US"connection_reject", L_connection_reject },
829 { US"delay_delivery", L_delay_delivery },
830 { US"deliver_time", LX_deliver_time },
831 { US"delivery_size", LX_delivery_size },
832 { US"dnslist_defer", L_dnslist_defer },
833 { US"etrn", L_etrn },
834 { US"host_lookup_failed", L_host_lookup_failed },
835 { US"ident_timeout", LX_ident_timeout },
836 { US"incoming_interface", LX_incoming_interface },
837 { US"incoming_port", LX_incoming_port },
838 { US"lost_incoming_connection", L_lost_incoming_connection },
839 { US"outgoing_port", LX_outgoing_port },
840 { US"pid", LX_pid },
841#ifdef EXPERIMENTAL_PROXY
842 { US"proxy", LX_proxy },
843#endif
844 { US"queue_run", L_queue_run },
845 { US"queue_time", LX_queue_time },
846 { US"queue_time_overall", LX_queue_time_overall },
847 { US"received_recipients", LX_received_recipients },
848 { US"received_sender", LX_received_sender },
849 { US"rejected_header", LX_rejected_header },
850 { US"rejected_headers", LX_rejected_header },
851 { US"retry_defer", L_retry_defer },
852 { US"return_path_on_delivery", LX_return_path_on_delivery },
853 { US"sender_on_delivery", LX_sender_on_delivery },
854 { US"sender_verify_fail", LX_sender_verify_fail },
855 { US"size_reject", L_size_reject },
856 { US"skip_delivery", L_skip_delivery },
857 { US"smtp_confirmation", LX_smtp_confirmation },
858 { US"smtp_connection", L_smtp_connection },
859 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
860 { US"smtp_mailauth", LX_smtp_mailauth },
861 { US"smtp_no_mail", LX_smtp_no_mail },
862 { US"smtp_protocol_error", L_smtp_protocol_error },
863 { US"smtp_syntax_error", L_smtp_syntax_error },
864 { US"subject", LX_subject },
865 { US"tls_certificate_verified", LX_tls_certificate_verified },
866 { US"tls_cipher", LX_tls_cipher },
867 { US"tls_peerdn", LX_tls_peerdn },
868 { US"tls_sni", LX_tls_sni },
869 { US"unknown_in_list", LX_unknown_in_list }
870};
871
872int log_options_count = sizeof(log_options)/sizeof(bit_table);
873int log_reject_target = 0;
874uschar *log_selector_string = NULL;
875FILE *log_stderr = NULL;
876BOOL log_testing_mode = FALSE;
877BOOL log_timezone = FALSE;
878unsigned int log_write_selector= L_default;
879uschar *login_sender_address = NULL;
880uschar *lookup_dnssec_authenticated = NULL;
881int lookup_open_max = 25;
882uschar *lookup_value = NULL;
883
884macro_item *macros = NULL;
885uschar *mailstore_basename = NULL;
886#ifdef WITH_CONTENT_SCAN
887uschar *malware_name = NULL; /* Virus Name */
888#endif
889int max_received_linelength= 0;
890int max_username_length = 0;
891int message_age = 0;
892uschar *message_body = NULL;
893uschar *message_body_end = NULL;
894BOOL message_body_newlines = FALSE;
895int message_body_size = 0;
896int message_body_visible = 500;
897int message_ended = END_NOTSTARTED;
898uschar *message_headers = NULL;
899uschar *message_id;
900uschar *message_id_domain = NULL;
901uschar *message_id_text = NULL;
902struct timeval message_id_tv = { 0, 0 };
903uschar message_id_option[MESSAGE_ID_LENGTH + 3];
904uschar *message_id_external;
905int message_linecount = 0;
906BOOL message_logs = TRUE;
907int message_size = 0;
908uschar *message_size_limit = US"50M";
909uschar message_subdir[2] = { 0, 0 };
910uschar *message_reference = NULL;
911
912/* MIME ACL expandables */
913#ifdef WITH_CONTENT_SCAN
914int mime_anomaly_level = 0;
915const uschar *mime_anomaly_text = NULL;
916uschar *mime_boundary = NULL;
917uschar *mime_charset = NULL;
918uschar *mime_content_description = NULL;
919uschar *mime_content_disposition = NULL;
920uschar *mime_content_id = NULL;
921unsigned int mime_content_size = 0;
922uschar *mime_content_transfer_encoding = NULL;
923uschar *mime_content_type = NULL;
924uschar *mime_decoded_filename = NULL;
925uschar *mime_filename = NULL;
926int mime_is_multipart = 0;
927int mime_is_coverletter = 0;
928int mime_is_rfc822 = 0;
929int mime_part_count = -1;
930#endif
931
932BOOL mua_wrapper = FALSE;
933
934uid_t *never_users = NULL;
935#ifdef WITH_CONTENT_SCAN
936BOOL no_mbox_unspool = FALSE;
937#endif
938BOOL no_multiline_responses = FALSE;
939
940uid_t original_euid;
941gid_t originator_gid;
942uschar *originator_login = NULL;
943uschar *originator_name = NULL;
944uid_t originator_uid;
945uschar *override_local_interfaces = NULL;
946uschar *override_pid_file_path = NULL;
947
948BOOL parse_allow_group = FALSE;
949BOOL parse_found_group = FALSE;
950uschar *percent_hack_domains = NULL;
951uschar *pid_file_path = US PID_FILE_PATH
952 "\0<--------------Space to patch pid_file_path->";
953BOOL pipelining_enable = TRUE;
954uschar *pipelining_advertise_hosts = US"*";
955BOOL preserve_message_logs = FALSE;
956uschar *primary_hostname = NULL;
957BOOL print_topbitchars = FALSE;
958uschar process_info[PROCESS_INFO_SIZE];
959int process_info_len = 0;
960uschar *process_log_path = NULL;
961BOOL prod_requires_admin = TRUE;
962
963#ifdef EXPERIMENTAL_PROXY
964uschar *proxy_host_address = US"";
965int proxy_host_port = 0;
966uschar *proxy_required_hosts = US"";
967BOOL proxy_session = FALSE;
968BOOL proxy_session_failed = FALSE;
969uschar *proxy_target_address = US"";
970int proxy_target_port = 0;
971#endif
972
973uschar *prvscheck_address = NULL;
974uschar *prvscheck_keynum = NULL;
975uschar *prvscheck_result = NULL;
976
977
978uschar *qualify_domain_recipient = NULL;
979uschar *qualify_domain_sender = NULL;
980BOOL queue_2stage = FALSE;
981uschar *queue_domains = NULL;
982int queue_interval = -1;
983BOOL queue_list_requires_admin = TRUE;
984BOOL queue_only = FALSE;
985uschar *queue_only_file = NULL;
986int queue_only_load = -1;
987BOOL queue_only_load_latch = TRUE;
988BOOL queue_only_override = TRUE;
989BOOL queue_only_policy = FALSE;
990BOOL queue_run_first_delivery = FALSE;
991BOOL queue_run_force = FALSE;
992BOOL queue_run_in_order = FALSE;
993BOOL queue_run_local = FALSE;
994int queue_run_max = 5;
995pid_t queue_run_pid = (pid_t)0;
996int queue_run_pipe = -1;
997BOOL queue_running = FALSE;
998BOOL queue_smtp = FALSE;
999uschar *queue_smtp_domains = NULL;
1000
1001unsigned int random_seed = 0;
1002tree_node *ratelimiters_cmd = NULL;
1003tree_node *ratelimiters_conn = NULL;
1004tree_node *ratelimiters_mail = NULL;
1005uschar *raw_active_hostname = NULL;
1006uschar *raw_sender = NULL;
1007uschar **raw_recipients = NULL;
1008int raw_recipients_count = 0;
1009
1010int rcpt_count = 0;
1011int rcpt_fail_count = 0;
1012int rcpt_defer_count = 0;
1013gid_t real_gid;
1014uid_t real_uid;
1015BOOL really_exim = TRUE;
1016BOOL receive_call_bombout = FALSE;
1017int receive_linecount = 0;
1018int receive_messagecount = 0;
1019int receive_timeout = 0;
1020int received_count = 0;
1021uschar *received_for = NULL;
1022
1023/* This is the default text for Received headers generated by Exim. The
1024date will be automatically added on the end. */
1025
1026uschar *received_header_text = US
1027 "Received: "
1028 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1029 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1030 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1031 "by $primary_hostname "
1032 "${if def:received_protocol {with $received_protocol}} "
1033 #ifdef SUPPORT_TLS
1034 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1035 #endif
1036 "(Exim $version_number)\n\t"
1037 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1038 "id $message_exim_id"
1039 "${if def:received_for {\n\tfor $received_for}}"
1040 "\0<---------------Space to patch received_header_text->";
1041
1042int received_headers_max = 30;
1043uschar *received_protocol = NULL;
1044int received_time = 0;
1045uschar *recipient_data = NULL;
1046uschar *recipient_unqualified_hosts = NULL;
1047uschar *recipient_verify_failure = NULL;
1048int recipients_count = 0;
1049BOOL recipients_discarded = FALSE;
1050recipient_item *recipients_list = NULL;
1051int recipients_list_max = 0;
1052int recipients_max = 0;
1053BOOL recipients_max_reject = FALSE;
1054const pcre *regex_AUTH = NULL;
1055const pcre *regex_check_dns_names = NULL;
1056const pcre *regex_From = NULL;
1057const pcre *regex_IGNOREQUOTA = NULL;
1058const pcre *regex_PIPELINING = NULL;
1059const pcre *regex_SIZE = NULL;
1060const pcre *regex_smtp_code = NULL;
1061const pcre *regex_ismsgid = NULL;
1062#ifdef WHITELIST_D_MACROS
1063const pcre *regex_whitelisted_macro = NULL;
1064#endif
1065#ifdef WITH_CONTENT_SCAN
1066uschar *regex_match_string = NULL;
1067#endif
1068int remote_delivery_count = 0;
1069int remote_max_parallel = 2;
1070uschar *remote_sort_domains = NULL;
1071int retry_data_expire = 7*24*60*60;
1072int retry_interval_max = 24*60*60;
1073int retry_maximum_timeout = 0; /* set from retry config */
1074retry_config *retries = NULL;
1075uschar *return_path = NULL;
1076BOOL return_path_remove = TRUE;
1077int rewrite_existflags = 0;
1078uschar *rfc1413_hosts = US"*";
1079int rfc1413_query_timeout = 5;
1080/* BOOL rfc821_domains = FALSE; <<< on the way out */
1081uid_t root_gid = ROOT_GID;
1082uid_t root_uid = ROOT_UID;
1083
1084router_instance *routers = NULL;
1085router_instance router_defaults = {
1086 NULL, /* chain pointer */
1087 NULL, /* name */
1088 NULL, /* info */
1089 NULL, /* private options block pointer */
1090 NULL, /* driver name */
1091
1092 NULL, /* address_data */
1093#ifdef EXPERIMENTAL_BRIGHTMAIL
1094 NULL, /* bmi_rule */
1095#endif
1096 NULL, /* cannot_route_message */
1097 NULL, /* condition */
1098 NULL, /* current_directory */
1099 NULL, /* debug_string */
1100 NULL, /* domains */
1101 NULL, /* errors_to */
1102 NULL, /* expand_gid */
1103 NULL, /* expand_uid */
1104 NULL, /* expand_more */
1105 NULL, /* expand_unseen */
1106 NULL, /* extra_headers */
1107 NULL, /* fallback_hosts */
1108 NULL, /* home_directory */
1109 NULL, /* ignore_target_hosts */
1110 NULL, /* local_parts */
1111 NULL, /* pass_router_name */
1112 NULL, /* prefix */
1113 NULL, /* redirect_router_name */
1114 NULL, /* remove_headers */
1115 NULL, /* require_files */
1116 NULL, /* router_home_directory */
1117 US"freeze", /* self */
1118 NULL, /* senders */
1119 NULL, /* suffix */
1120 NULL, /* translate_ip_address */
1121 NULL, /* transport_name */
1122
1123 TRUE, /* address_test */
1124#ifdef EXPERIMENTAL_BRIGHTMAIL
1125 FALSE, /* bmi_deliver_alternate */
1126 FALSE, /* bmi_deliver_default */
1127 FALSE, /* bmi_dont_deliver */
1128#endif
1129 TRUE, /* expn */
1130 FALSE, /* caseful_local_part */
1131 FALSE, /* check_local_user */
1132 FALSE, /* disable_logging */
1133 FALSE, /* fail_verify_recipient */
1134 FALSE, /* fail_verify_sender */
1135 FALSE, /* gid_set */
1136 FALSE, /* initgroups */
1137 TRUE_UNSET, /* log_as_local */
1138 TRUE, /* more */
1139 FALSE, /* pass_on_timeout */
1140 FALSE, /* prefix_optional */
1141 TRUE, /* repeat_use */
1142 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1143 FALSE, /* same_domain_copy_routing */
1144 FALSE, /* self_rewrite */
1145 FALSE, /* suffix_optional */
1146 FALSE, /* verify_only */
1147 TRUE, /* verify_recipient */
1148 TRUE, /* verify_sender */
1149 FALSE, /* uid_set */
1150 FALSE, /* unseen */
1151#ifdef EXPERIMENTAL_DSN
1152 FALSE, /* dsn_lasthop */
1153#endif
1154
1155 self_freeze, /* self_code */
1156 (uid_t)(-1), /* uid */
1157 (gid_t)(-1), /* gid */
1158
1159 NULL, /* fallback_hostlist */
1160 NULL, /* transport instance */
1161 NULL, /* pass_router */
1162 NULL /* redirect_router */
1163};
1164
1165uschar *router_name = NULL;
1166
1167ip_address_item *running_interfaces = NULL;
1168BOOL running_in_test_harness = FALSE;
1169
1170/* This is a weird one. The following string gets patched in the binary by the
1171script that sets up a copy of Exim for running in the test harness. It seems
1172that compilers are now clever, and share constant strings if they can.
1173Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1174make use of the end of this string in order to save space. So the patching then
1175wrecks this. We defeat this optimization by adding some additional characters
1176onto the end of the string. */
1177
1178uschar *running_status = US">>>running<<<" "\0EXTRA";
1179
1180int runrc = 0;
1181
1182uschar *search_error_message = NULL;
1183BOOL search_find_defer = FALSE;
1184uschar *self_hostname = NULL;
1185uschar *sender_address = NULL;
1186unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1187uschar *sender_address_data = NULL;
1188BOOL sender_address_forced = FALSE;
1189uschar *sender_address_unrewritten = NULL;
1190uschar *sender_data = NULL;
1191unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1192uschar *sender_fullhost = NULL;
1193uschar *sender_helo_name = NULL;
1194uschar **sender_host_aliases = &no_aliases;
1195uschar *sender_host_address = NULL;
1196uschar *sender_host_authenticated = NULL;
1197unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1198BOOL sender_host_dnssec = FALSE;
1199uschar *sender_host_name = NULL;
1200int sender_host_port = 0;
1201BOOL sender_host_notsocket = FALSE;
1202BOOL sender_host_unknown = FALSE;
1203uschar *sender_ident = NULL;
1204BOOL sender_local = FALSE;
1205BOOL sender_name_forced = FALSE;
1206uschar *sender_rate = NULL;
1207uschar *sender_rate_limit = NULL;
1208uschar *sender_rate_period = NULL;
1209uschar *sender_rcvhost = NULL;
1210BOOL sender_set_untrusted = FALSE;
1211uschar *sender_unqualified_hosts = NULL;
1212uschar *sender_verify_failure = NULL;
1213address_item *sender_verified_list = NULL;
1214address_item *sender_verified_failed = NULL;
1215int sender_verified_rc = -1;
1216BOOL sender_verified_responded = FALSE;
1217uschar *sending_ip_address = NULL;
1218int sending_port = -1;
1219SIGNAL_BOOL sigalrm_seen = FALSE;
1220uschar **sighup_argv = NULL;
1221int smtp_accept_count = 0;
1222BOOL smtp_accept_keepalive = TRUE;
1223int smtp_accept_max = 20;
1224int smtp_accept_max_nonmail= 10;
1225uschar *smtp_accept_max_nonmail_hosts = US"*";
1226int smtp_accept_max_per_connection = 1000;
1227uschar *smtp_accept_max_per_host = NULL;
1228int smtp_accept_queue = 0;
1229int smtp_accept_queue_per_connection = 10;
1230int smtp_accept_reserve = 0;
1231uschar *smtp_active_hostname = NULL;
1232BOOL smtp_authenticated = FALSE;
1233uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1234 "Exim $version_number $tod_full"
1235 "\0<---------------Space to patch smtp_banner->";
1236BOOL smtp_batched_input = FALSE;
1237BOOL smtp_check_spool_space = TRUE;
1238int smtp_ch_index = 0;
1239uschar *smtp_cmd_argument = NULL;
1240uschar *smtp_cmd_buffer = NULL;
1241time_t smtp_connection_start = 0;
1242uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1243int smtp_connect_backlog = 20;
1244double smtp_delay_mail = 0.0;
1245double smtp_delay_rcpt = 0.0;
1246BOOL smtp_enforce_sync = TRUE;
1247FILE *smtp_in = NULL;
1248BOOL smtp_input = FALSE;
1249int smtp_load_reserve = -1;
1250int smtp_mailcmd_count = 0;
1251FILE *smtp_out = NULL;
1252uschar *smtp_etrn_command = NULL;
1253BOOL smtp_etrn_serialize = TRUE;
1254int smtp_max_synprot_errors= 3;
1255int smtp_max_unknown_commands = 3;
1256uschar *smtp_notquit_reason = NULL;
1257uschar *smtp_ratelimit_hosts = NULL;
1258uschar *smtp_ratelimit_mail = NULL;
1259uschar *smtp_ratelimit_rcpt = NULL;
1260uschar *smtp_read_error = US"";
1261int smtp_receive_timeout = 5*60;
1262uschar *smtp_reserve_hosts = NULL;
1263BOOL smtp_return_error_details = FALSE;
1264int smtp_rlm_base = 0;
1265double smtp_rlm_factor = 0.0;
1266int smtp_rlm_limit = 0;
1267int smtp_rlm_threshold = INT_MAX;
1268int smtp_rlr_base = 0;
1269double smtp_rlr_factor = 0.0;
1270int smtp_rlr_limit = 0;
1271int smtp_rlr_threshold = INT_MAX;
1272BOOL smtp_use_pipelining = FALSE;
1273BOOL smtp_use_size = FALSE;
1274
1275#ifdef WITH_CONTENT_SCAN
1276uschar *spamd_address = US"127.0.0.1 783";
1277uschar *spam_bar = NULL;
1278uschar *spam_report = NULL;
1279uschar *spam_score = NULL;
1280uschar *spam_score_int = NULL;
1281#endif
1282#ifdef EXPERIMENTAL_SPF
1283uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1284uschar *spf_header_comment = NULL;
1285uschar *spf_received = NULL;
1286uschar *spf_result = NULL;
1287uschar *spf_smtp_comment = NULL;
1288#endif
1289
1290BOOL split_spool_directory = FALSE;
1291uschar *spool_directory = US SPOOL_DIRECTORY
1292 "\0<--------------Space to patch spool_directory->";
1293#ifdef EXPERIMENTAL_SRS
1294uschar *srs_config = NULL;
1295uschar *srs_db_address = NULL;
1296uschar *srs_db_key = NULL;
1297int srs_hashlength = 6;
1298int srs_hashmin = -1;
1299int srs_maxage = 31;
1300uschar *srs_orig_recipient = NULL;
1301uschar *srs_orig_sender = NULL;
1302uschar *srs_recipient = NULL;
1303uschar *srs_secrets = NULL;
1304uschar *srs_status = NULL;
1305BOOL srs_usehash = TRUE;
1306BOOL srs_usetimestamp = TRUE;
1307#endif
1308BOOL strict_acl_vars = FALSE;
1309int string_datestamp_offset= -1;
1310int string_datestamp_length= 0;
1311int string_datestamp_type = -1;
1312BOOL strip_excess_angle_brackets = FALSE;
1313BOOL strip_trailing_dot = FALSE;
1314uschar *submission_domain = NULL;
1315BOOL submission_mode = FALSE;
1316uschar *submission_name = NULL;
1317BOOL suppress_local_fixups = FALSE;
1318BOOL suppress_local_fixups_default = FALSE;
1319BOOL synchronous_delivery = FALSE;
1320BOOL syslog_duplication = TRUE;
1321int syslog_facility = LOG_MAIL;
1322uschar *syslog_processname = US"exim";
1323BOOL syslog_timestamp = TRUE;
1324uschar *system_filter = NULL;
1325
1326uschar *system_filter_directory_transport = NULL;
1327uschar *system_filter_file_transport = NULL;
1328uschar *system_filter_pipe_transport = NULL;
1329uschar *system_filter_reply_transport = NULL;
1330
1331gid_t system_filter_gid = 0;
1332BOOL system_filter_gid_set = FALSE;
1333uid_t system_filter_uid = (uid_t)-1;
1334BOOL system_filter_uid_set = FALSE;
1335BOOL system_filtering = FALSE;
1336
1337BOOL tcp_nodelay = TRUE;
1338#ifdef USE_TCP_WRAPPERS
1339uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1340#endif
1341int test_harness_load_avg = 0;
1342int thismessage_size_limit = 0;
1343int timeout_frozen_after = 0;
1344BOOL timestamps_utc = FALSE;
1345
1346transport_instance *transports = NULL;
1347
1348transport_instance transport_defaults = {
1349 NULL, /* chain pointer */
1350 NULL, /* name */
1351 NULL, /* info */
1352 NULL, /* private options block pointer */
1353 NULL, /* driver name */
1354 NULL, /* setup entry point */
1355 1, /* batch_max */
1356 NULL, /* batch_id */
1357 NULL, /* home_dir */
1358 NULL, /* current_dir */
1359 NULL, /* expand-multi-domain */
1360 TRUE, /* multi-domain */
1361 FALSE, /* overrides_hosts */
1362 100, /* max_addresses */
1363 500, /* connection_max_messages */
1364 FALSE, /* deliver_as_creator */
1365 FALSE, /* disable_logging */
1366 FALSE, /* initgroups */
1367 FALSE, /* uid_set */
1368 FALSE, /* gid_set */
1369 (uid_t)(-1), /* uid */
1370 (gid_t)(-1), /* gid */
1371 NULL, /* expand_uid */
1372 NULL, /* expand_gid */
1373 NULL, /* warn_message */
1374 NULL, /* shadow */
1375 NULL, /* shadow_condition */
1376 NULL, /* filter_command */
1377 NULL, /* add_headers */
1378 NULL, /* remove_headers */
1379 NULL, /* return_path */
1380 NULL, /* debug_string */
1381 NULL, /* message_size_limit */
1382 NULL, /* headers_rewrite */
1383 NULL, /* rewrite_rules */
1384 0, /* rewrite_existflags */
1385 300, /* filter_timeout */
1386 FALSE, /* body_only */
1387 FALSE, /* delivery_date_add */
1388 FALSE, /* envelope_to_add */
1389 FALSE, /* headers_only */
1390 FALSE, /* rcpt_include_affixes */
1391 FALSE, /* return_path_add */
1392 FALSE, /* return_output */
1393 FALSE, /* return_fail_output */
1394 FALSE, /* log_output */
1395 FALSE, /* log_fail_output */
1396 FALSE, /* log_defer_output */
1397 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1398 1 nor 0 so can detect unset */
1399#ifdef EXPERIMENTAL_EVENT
1400 ,NULL /* event_action */
1401#endif
1402};
1403
1404int transport_count;
1405uschar *transport_name = NULL;
1406int transport_newlines;
1407uschar **transport_filter_argv = NULL;
1408int transport_filter_timeout;
1409BOOL transport_filter_timed_out = FALSE;
1410int transport_write_timeout= 0;
1411
1412tree_node *tree_dns_fails = NULL;
1413tree_node *tree_duplicates = NULL;
1414tree_node *tree_nonrecipients = NULL;
1415tree_node *tree_unusable = NULL;
1416
1417BOOL trusted_caller = FALSE;
1418BOOL trusted_config = TRUE;
1419gid_t *trusted_groups = NULL;
1420uid_t *trusted_users = NULL;
1421uschar *timezone_string = US TIMEZONE_DEFAULT;
1422
1423uschar *unknown_login = NULL;
1424uschar *unknown_username = NULL;
1425uschar *untrusted_set_sender = NULL;
1426
1427/* A regex for matching a "From_" line in an incoming message, in the form
1428
1429 From ph10 Fri Jan 5 12:35 GMT 1996
1430
1431which the "mail" commands send to the MTA (undocumented, of course), or in
1432the form
1433
1434 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1435
1436which is apparently used by some UUCPs, despite it not being in RFC 976.
1437Because of variations in time formats, just match up to the minutes. That
1438should be sufficient. Examples have been seen of time fields like 12:1:03,
1439so just require one digit for hours and minutes. The weekday is also absent
1440in some forms. */
1441
1442uschar *uucp_from_pattern = US
1443 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1444 "(?:" /* Non-extracting bracket */
1445 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1446 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1447 ")" /* End alternation */
1448 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1449
1450uschar *uucp_from_sender = US"$1";
1451
1452uschar *verify_mode = NULL;
1453uschar *version_copyright =
1454 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1455 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1456uschar *version_date = US"?";
1457uschar *version_cnumber = US"????";
1458uschar *version_string = US"?";
1459
1460uschar *warn_message_file = NULL;
1461int warning_count = 0;
1462uschar *warnmsg_delay = NULL;
1463uschar *warnmsg_recipients = NULL;
1464BOOL write_rejectlog = TRUE;
1465
1466
1467/* End of globals.c */
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