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Added dsn_from to vary the contents of From: in DSNs
[exim.git] / src / src / globals.c
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1/* $Cambridge: exim/src/src/globals.c,v 1.70 2007/02/06 11:11:40 ph10 Exp $ */
2
3/*************************************************
4* Exim - an Internet mail transport agent *
5*************************************************/
6
7/* Copyright (c) University of Cambridge 1995 - 2007 */
8/* See the file NOTICE for conditions of use and distribution. */
9
10/* All the global variables are defined together in this one module, so
11that they are easy to find. */
12
13#include "exim.h"
14
15
16/* The OSF1 linker puts out a worrying warning if any sections contain no
17executable code. It says
18
19Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
21 problems.
22
23As this may cause people to worry needlessly, include a dummy function here
24to stop the message from appearing. Make it reference itself to stop picky
25compilers complaining that it is unused, and put in a dummy argument to stop
26even pickier compilers complaining about infinite loops. */
27
28static void dummy(int x) { dummy(x-1); }
29
30
31/* Generic options for auths, all of which live inside auth_instance
32data blocks and hence have the opt_public flag set. */
33
34optionlist optionlist_auths[] = {
35 { "driver", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, driver_name)) },
37 { "public_name", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, public_name)) },
39 { "server_advertise_condition", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, advertise_condition))},
41 { "server_condition", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, server_condition)) },
43 { "server_debug_print", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, server_debug_string)) },
45 { "server_mail_auth_condition", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, mail_auth_condition)) },
47 { "server_set_id", opt_stringptr | opt_public,
48 (void *)(offsetof(auth_instance, set_id)) }
49};
50
51int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
52
53/* An empty host aliases list. */
54
55uschar *no_aliases = NULL;
56
57
58/* For comments on these variables, see globals.h. I'm too idle to
59duplicate them here... */
60
61#ifdef EXIM_PERL
62uschar *opt_perl_startup = NULL;
63BOOL opt_perl_at_start = FALSE;
64BOOL opt_perl_started = FALSE;
65#endif
66
67#ifdef EXPAND_DLFUNC
68tree_node *dlobj_anchor = NULL;
69#endif
70
71#ifdef LOOKUP_IBASE
72uschar *ibase_servers = NULL;
73#endif
74
75#ifdef LOOKUP_LDAP
76uschar *eldap_default_servers = NULL;
77int eldap_version = -1;
78#endif
79
80#ifdef LOOKUP_MYSQL
81uschar *mysql_servers = NULL;
82#endif
83
84#ifdef LOOKUP_ORACLE
85uschar *oracle_servers = NULL;
86#endif
87
88#ifdef LOOKUP_PGSQL
89uschar *pgsql_servers = NULL;
90#endif
91
92#ifdef LOOKUP_SQLITE
93int sqlite_lock_timeout = 5;
94#endif
95
96#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
97BOOL move_frozen_messages = FALSE;
98#endif
99
100/* These variables are outside the #ifdef because it keeps the code less
101cluttered in several places (e.g. during logging) if we can always refer to
102them. Also, the tls_ variables are now always visible. */
103
104BOOL tls_active = -1;
105BOOL tls_certificate_verified = FALSE;
106uschar *tls_cipher = NULL;
107BOOL tls_on_connect = FALSE;
108uschar *tls_on_connect_ports = NULL;
109uschar *tls_peerdn = NULL;
110
111#ifdef SUPPORT_TLS
112uschar *gnutls_require_mac = NULL;
113uschar *gnutls_require_kx = NULL;
114uschar *gnutls_require_proto = NULL;
115const pcre *regex_STARTTLS = NULL;
116uschar *tls_advertise_hosts = NULL; /* This is deliberate */
117uschar *tls_certificate = NULL;
118uschar *tls_crl = NULL;
119uschar *tls_dhparam = NULL;
120BOOL tls_offered = FALSE;
121uschar *tls_privatekey = NULL;
122BOOL tls_remember_esmtp = FALSE;
123uschar *tls_require_ciphers = NULL;
124uschar *tls_try_verify_hosts = NULL;
125uschar *tls_verify_certificates= NULL;
126uschar *tls_verify_hosts = NULL;
127#endif
128
129
130/* Input-reading functions for messages, so we can use special ones for
131incoming TCP/IP. The defaults use stdin. We never need these for any
132stand-alone tests. */
133
134#ifndef STAND_ALONE
135int (*receive_getc)(void) = stdin_getc;
136int (*receive_ungetc)(int) = stdin_ungetc;
137int (*receive_feof)(void) = stdin_feof;
138int (*receive_ferror)(void) = stdin_ferror;
139#endif
140
141
142/* List of per-address expansion variables for clearing and saving/restoring
143when verifying one address while routing/verifying another. We have to have
144the size explicit, because it is referenced from more than one module. */
145
146uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
147 &deliver_address_data,
148 &deliver_domain,
149 &deliver_domain_data,
150 &deliver_domain_orig,
151 &deliver_domain_parent,
152 &deliver_localpart,
153 &deliver_localpart_data,
154 &deliver_localpart_orig,
155 &deliver_localpart_parent,
156 &deliver_localpart_prefix,
157 &deliver_localpart_suffix,
158 (uschar **)(&deliver_recipients),
159 &deliver_host,
160 &deliver_home,
161 &address_file,
162 &address_pipe,
163 &self_hostname,
164 NULL };
165
166int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
167
168/* General global variables */
169
170header_line *acl_added_headers = NULL;
171tree_node *acl_anchor = NULL;
172uschar *acl_not_smtp = NULL;
173#ifdef WITH_CONTENT_SCAN
174uschar *acl_not_smtp_mime = NULL;
175#endif
176uschar *acl_not_smtp_start = NULL;
177uschar *acl_smtp_auth = NULL;
178uschar *acl_smtp_connect = NULL;
179uschar *acl_smtp_data = NULL;
180uschar *acl_smtp_etrn = NULL;
181uschar *acl_smtp_expn = NULL;
182uschar *acl_smtp_helo = NULL;
183uschar *acl_smtp_mail = NULL;
184uschar *acl_smtp_mailauth = NULL;
185#ifdef WITH_CONTENT_SCAN
186uschar *acl_smtp_mime = NULL;
187#endif
188uschar *acl_smtp_predata = NULL;
189uschar *acl_smtp_quit = NULL;
190uschar *acl_smtp_rcpt = NULL;
191uschar *acl_smtp_starttls = NULL;
192uschar *acl_smtp_vrfy = NULL;
193BOOL acl_temp_details = FALSE;
194tree_node *acl_var_c = NULL;
195tree_node *acl_var_m = NULL;
196uschar *acl_verify_message = NULL;
197string_item *acl_warn_logged = NULL;
198
199/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
200error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
201
202uschar *acl_wherenames[] = { US"RCPT",
203 US"MAIL",
204 US"PREDATA",
205 US"MIME",
206 US"DATA",
207 US"non-SMTP",
208 US"AUTH",
209 US"connection",
210 US"ETRN",
211 US"EXPN",
212 US"EHLO or HELO",
213 US"MAILAUTH",
214 US"non-SMTP-start",
215 US"QUIT",
216 US"STARTTLS",
217 US"VRFY"
218 };
219
220uschar *acl_wherecodes[] = { US"550", /* RCPT */
221 US"550", /* MAIL */
222 US"550", /* PREDATA */
223 US"550", /* MIME */
224 US"550", /* DATA */
225 US"0", /* not SMTP; not relevant */
226 US"503", /* AUTH */
227 US"550", /* connect */
228 US"458", /* ETRN */
229 US"550", /* EXPN */
230 US"550", /* HELO/EHLO */
231 US"0", /* MAILAUTH; not relevant */
232 US"0", /* not SMTP; not relevant */
233 US"0", /* QUIT; not relevant */
234 US"550", /* STARTTLS */
235 US"252" /* VRFY */
236 };
237
238BOOL active_local_from_check = FALSE;
239BOOL active_local_sender_retain = FALSE;
240BOOL accept_8bitmime = FALSE;
241address_item *addr_duplicate = NULL;
242
243address_item address_defaults = {
244 NULL, /* next */
245 NULL, /* parent */
246 NULL, /* first */
247 NULL, /* dupof */
248 NULL, /* start_router */
249 NULL, /* router */
250 NULL, /* transport */
251 NULL, /* host_list */
252 NULL, /* host_used */
253 NULL, /* fallback_hosts */
254 NULL, /* reply */
255 NULL, /* retries */
256 NULL, /* address */
257 NULL, /* unique */
258 NULL, /* cc_local_part */
259 NULL, /* lc_local_part */
260 NULL, /* local_part */
261 NULL, /* prefix */
262 NULL, /* suffix */
263 NULL, /* domain */
264 NULL, /* address_retry_key */
265 NULL, /* domain_retry_key */
266 NULL, /* current_dir */
267 NULL, /* home_dir */
268 NULL, /* message */
269 NULL, /* user_message */
270 NULL, /* onetime_parent */
271 NULL, /* pipe_expandn */
272 NULL, /* return_filename */
273 NULL, /* self_hostname */
274 NULL, /* shadow_message */
275 #ifdef SUPPORT_TLS
276 NULL, /* cipher */
277 NULL, /* peerdn */
278 #endif
279 (uid_t)(-1), /* uid */
280 (gid_t)(-1), /* gid */
281 0, /* flags */
282 { 0 }, /* domain_cache - any larger array should be zeroed */
283 { 0 }, /* localpart_cache - ditto */
284 -1, /* mode */
285 0, /* more_errno */
286 ERRNO_UNKNOWNERROR, /* basic_errno */
287 0, /* child_count */
288 -1, /* return_file */
289 SPECIAL_NONE, /* special_action */
290 DEFER, /* transport_return */
291 { /* fields that are propagated to children */
292 NULL, /* address_data */
293 NULL, /* domain_data */
294 NULL, /* localpart_data */
295 NULL, /* errors_address */
296 NULL, /* extra_headers */
297 NULL, /* remove_headers */
298#ifdef EXPERIMENTAL_SRS
299 NULL, /* srs_sender */
300#endif
301 }
302};
303
304uschar *address_file = NULL;
305uschar *address_pipe = NULL;
306BOOL address_test_mode = FALSE;
307tree_node *addresslist_anchor = NULL;
308int addresslist_count = 0;
309gid_t *admin_groups = NULL;
310BOOL admin_user = FALSE;
311BOOL allow_auth_unadvertised= FALSE;
312BOOL allow_domain_literals = FALSE;
313BOOL allow_mx_to_ip = FALSE;
314BOOL allow_unqualified_recipient = TRUE; /* For local messages */
315BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
316BOOL allow_utf8_domains = FALSE;
317uschar *authenticated_id = NULL;
318uschar *authenticated_sender = NULL;
319BOOL authentication_failed = FALSE;
320auth_instance *auths = NULL;
321uschar *auth_advertise_hosts = US"*";
322auth_instance auth_defaults = {
323 NULL, /* chain pointer */
324 NULL, /* name */
325 NULL, /* info */
326 NULL, /* private options block pointer */
327 NULL, /* driver_name */
328 NULL, /* advertise_condition */
329 NULL, /* public_name */
330 NULL, /* set_id */
331 NULL, /* server_mail_auth_condition */
332 NULL, /* server_debug_string */
333 NULL, /* server_condition */
334 FALSE, /* client */
335 FALSE, /* server */
336 FALSE /* advertised */
337};
338
339uschar *auth_defer_msg = US"reason not recorded";
340uschar *auth_defer_user_msg = US"";
341uschar *auth_vars[AUTH_VARS];
342int auto_thaw = 0;
343#ifdef WITH_CONTENT_SCAN
344uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
345#endif
346
347BOOL background_daemon = TRUE;
348
349#if BASE_62 == 62
350uschar *base62_chars=
351 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
352#else
353uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
354#endif
355
356uschar *bi_command = NULL;
357uschar *big_buffer = NULL;
358int big_buffer_size = BIG_BUFFER_SIZE;
359#ifdef EXPERIMENTAL_BRIGHTMAIL
360uschar *bmi_alt_location = NULL;
361uschar *bmi_base64_tracker_verdict = NULL;
362uschar *bmi_base64_verdict = NULL;
363uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
364int bmi_deliver = 1;
365int bmi_run = 0;
366uschar *bmi_verdicts = NULL;
367#endif
368int body_linecount = 0;
369int body_zerocount = 0;
370uschar *bounce_message_file = NULL;
371uschar *bounce_message_text = NULL;
372uschar *bounce_recipient = NULL;
373BOOL bounce_return_body = TRUE;
374BOOL bounce_return_message = TRUE;
375int bounce_return_size_limit = 100*1024;
376uschar *bounce_sender_authentication = NULL;
377int bsmtp_transaction_linecount = 0;
378
379int callout_cache_domain_positive_expire = 7*24*60*60;
380int callout_cache_domain_negative_expire = 3*60*60;
381int callout_cache_positive_expire = 24*60*60;
382int callout_cache_negative_expire = 2*60*60;
383uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
384uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
385int check_log_inodes = 0;
386int check_log_space = 0;
387BOOL check_rfc2047_length = TRUE;
388int check_spool_inodes = 0;
389int check_spool_space = 0;
390int clmacro_count = 0;
391uschar *clmacros[MAX_CLMACROS];
392BOOL config_changed = FALSE;
393FILE *config_file = NULL;
394uschar *config_filename = NULL;
395int config_lineno = 0;
396#ifdef CONFIGURE_GROUP
397gid_t config_gid = CONFIGURE_GROUP;
398#endif
399uschar *config_main_filelist = US CONFIGURE_FILE
400 "\0<-----------Space to patch configure_filename->";
401uschar *config_main_filename = NULL;
402
403#ifdef CONFIGURE_OWNER
404uid_t config_uid = CONFIGURE_OWNER;
405#endif
406
407int connection_max_messages= -1;
408uschar *continue_hostname = NULL;
409uschar *continue_host_address = NULL;
410BOOL continue_more = FALSE;
411int continue_sequence = 1;
412uschar *continue_transport = NULL;
413
414uschar *csa_status = NULL;
415
416BOOL daemon_listen = FALSE;
417uschar *daemon_smtp_port = US"smtp";
418int daemon_startup_retries = 9;
419int daemon_startup_sleep = 30;
420BOOL debug_daemon = FALSE;
421int debug_fd = -1;
422FILE *debug_file = NULL;
423bit_table debug_options[] = {
424 { US"acl", D_acl },
425 { US"all", D_all },
426 { US"auth", D_auth },
427 { US"deliver", D_deliver },
428 { US"dns", D_dns },
429 { US"dnsbl", D_dnsbl },
430 { US"exec", D_exec },
431 { US"expand", D_expand },
432 { US"filter", D_filter },
433 { US"hints_lookup", D_hints_lookup },
434 { US"host_lookup", D_host_lookup },
435 { US"ident", D_ident },
436 { US"interface", D_interface },
437 { US"lists", D_lists },
438 { US"load", D_load },
439 { US"local_scan", D_local_scan },
440 { US"lookup", D_lookup },
441 { US"memory", D_memory },
442 { US"pid", D_pid },
443 { US"process_info", D_process_info },
444 { US"queue_run", D_queue_run },
445 { US"receive", D_receive },
446 { US"resolver", D_resolver },
447 { US"retry", D_retry },
448 { US"rewrite", D_rewrite },
449 { US"route", D_route },
450 { US"timestamp", D_timestamp },
451 { US"tls", D_tls },
452 { US"transport", D_transport },
453 { US"uid", D_uid },
454 { US"verify", D_verify }
455};
456int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
457unsigned int debug_selector = 0;
458int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
459uschar *delay_warning_condition=
460 US"${if or {"
461 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
462 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
463 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
464 "} {no}{yes}}";
465BOOL delivery_date_remove = TRUE;
466uschar *deliver_address_data = NULL;
467int deliver_datafile = -1;
468uschar *deliver_domain = NULL;
469uschar *deliver_domain_data = NULL;
470uschar *deliver_domain_orig = NULL;
471uschar *deliver_domain_parent = NULL;
472BOOL deliver_drop_privilege = FALSE;
473BOOL deliver_firsttime = FALSE;
474BOOL deliver_force = FALSE;
475BOOL deliver_freeze = FALSE;
476int deliver_frozen_at = 0;
477uschar *deliver_home = NULL;
478uschar *deliver_host = NULL;
479uschar *deliver_host_address = NULL;
480uschar *deliver_in_buffer = NULL;
481ino_t deliver_inode = 0;
482uschar *deliver_localpart = NULL;
483uschar *deliver_localpart_data = NULL;
484uschar *deliver_localpart_orig = NULL;
485uschar *deliver_localpart_parent = NULL;
486uschar *deliver_localpart_prefix = NULL;
487uschar *deliver_localpart_suffix = NULL;
488BOOL deliver_force_thaw = FALSE;
489BOOL deliver_manual_thaw = FALSE;
490uschar *deliver_out_buffer = NULL;
491int deliver_queue_load_max = -1;
492address_item *deliver_recipients = NULL;
493uschar *deliver_selectstring = NULL;
494BOOL deliver_selectstring_regex = FALSE;
495uschar *deliver_selectstring_sender = NULL;
496BOOL deliver_selectstring_sender_regex = FALSE;
497#ifdef WITH_OLD_DEMIME
498int demime_errorlevel = 0;
499int demime_ok = 0;
500uschar *demime_reason = NULL;
501#endif
502BOOL disable_delay_flush = FALSE;
503#ifdef ENABLE_DISABLE_FSYNC
504BOOL disable_fsync = FALSE;
505#endif
506BOOL disable_ipv6 = FALSE;
507BOOL disable_logging = FALSE;
508
509#ifdef EXPERIMENTAL_DOMAINKEYS
510uschar *dk_signing_domain = NULL;
511uschar *dk_signing_selector = NULL;
512int dk_do_verify = 0;
513#endif
514
515uschar *dns_again_means_nonexist = NULL;
516int dns_csa_search_limit = 5;
517BOOL dns_csa_use_reverse = TRUE;
518uschar *dns_ipv4_lookup = NULL;
519int dns_retrans = 0;
520int dns_retry = 0;
521uschar *dnslist_domain = NULL;
522uschar *dnslist_text = NULL;
523uschar *dnslist_value = NULL;
524tree_node *domainlist_anchor = NULL;
525int domainlist_count = 0;
526BOOL dont_deliver = FALSE;
527BOOL dot_ends = TRUE;
528BOOL drop_cr = FALSE; /* No longer used */
529uschar *dsn_from = US DEFAULT_DSN_FROM;
530
531BOOL enable_dollar_recipients = FALSE;
532BOOL envelope_to_remove = TRUE;
533int errno_quota = ERRNO_QUOTA;
534uschar *errors_copy = NULL;
535int error_handling = ERRORS_SENDER;
536uschar *errors_reply_to = NULL;
537int errors_sender_rc = EXIT_FAILURE;
538
539gid_t exim_gid = EXIM_GID;
540BOOL exim_gid_set = TRUE; /* This gid is always set */
541uschar *exim_path = US BIN_DIRECTORY "/exim"
542 "\0<---------------Space to patch exim_path->";
543uid_t exim_uid = EXIM_UID;
544BOOL exim_uid_set = TRUE; /* This uid is always set */
545int expand_forbid = 0;
546int expand_nlength[EXPAND_MAXN+1];
547int expand_nmax = -1;
548uschar *expand_nstring[EXPAND_MAXN+1];
549BOOL expand_string_forcedfail = FALSE;
550uschar *expand_string_message;
551BOOL extract_addresses_remove_arguments = TRUE;
552uschar *extra_local_interfaces = NULL;
553
554int fake_response = OK;
555uschar *fake_response_text = US"Your message has been rejected but is "
556 "being kept for evaluation.\nIf it was a "
557 "legitimate message, it may still be "
558 "delivered to the target recipient(s).";
559int filter_n[FILTER_VARIABLE_COUNT];
560BOOL filter_running = FALSE;
561int filter_sn[FILTER_VARIABLE_COUNT];
562int filter_test = FTEST_NONE;
563uschar *filter_test_sfile = NULL;
564uschar *filter_test_ufile = NULL;
565uschar *filter_thisaddress = NULL;
566int finduser_retries = 0;
567#ifdef WITH_OLD_DEMIME
568uschar *found_extension = NULL;
569#endif
570uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
571uschar *freeze_tell = NULL;
572uschar *freeze_tell_config = NULL;
573uschar *fudged_queue_times = US"";
574
575uschar *gecos_name = NULL;
576uschar *gecos_pattern = NULL;
577rewrite_rule *global_rewrite_rules = NULL;
578
579uschar *headers_charset = US HEADERS_CHARSET;
580int header_insert_maxlen = 64 * 1024;
581header_line *header_last = NULL;
582header_line *header_list = NULL;
583int header_maxsize = HEADER_MAXSIZE;
584int header_line_maxsize = 0;
585
586header_name header_names[] = {
587 { US"bcc", 3, TRUE, htype_bcc },
588 { US"cc", 2, TRUE, htype_cc },
589 { US"date", 4, TRUE, htype_date },
590 { US"delivery-date", 13, FALSE, htype_delivery_date },
591 { US"envelope-to", 11, FALSE, htype_envelope_to },
592 { US"from", 4, TRUE, htype_from },
593 { US"message-id", 10, TRUE, htype_id },
594 { US"received", 8, FALSE, htype_received },
595 { US"reply-to", 8, FALSE, htype_reply_to },
596 { US"return-path", 11, FALSE, htype_return_path },
597 { US"sender", 6, TRUE, htype_sender },
598 { US"subject", 7, FALSE, htype_subject },
599 { US"to", 2, TRUE, htype_to }
600};
601
602int header_names_size = sizeof(header_names)/sizeof(header_name);
603
604BOOL header_rewritten = FALSE;
605uschar *helo_accept_junk_hosts = NULL;
606uschar *helo_allow_chars = US"";
607uschar *helo_lookup_domains = US"@ : @[]";
608uschar *helo_try_verify_hosts = NULL;
609BOOL helo_verified = FALSE;
610BOOL helo_verify_failed = FALSE;
611uschar *helo_verify_hosts = NULL;
612uschar *hex_digits = US"0123456789abcdef";
613uschar *hold_domains = NULL;
614BOOL host_checking = FALSE;
615BOOL host_checking_callout = FALSE;
616uschar *host_data = NULL;
617BOOL host_find_failed_syntax= FALSE;
618uschar *host_lookup = NULL;
619BOOL host_lookup_deferred = FALSE;
620BOOL host_lookup_failed = FALSE;
621uschar *host_lookup_order = US"bydns:byaddr";
622uschar *host_lookup_msg = US"";
623int host_number = 0;
624uschar *host_number_string = NULL;
625uschar *host_reject_connection = NULL;
626tree_node *hostlist_anchor = NULL;
627int hostlist_count = 0;
628uschar *hosts_treat_as_local = NULL;
629uschar *hosts_connection_nolog = NULL;
630
631int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
632BOOL ignore_fromline_local = FALSE;
633uschar *ignore_fromline_hosts = NULL;
634uschar *interface_address = NULL;
635int interface_port = -1;
636BOOL is_inetd = FALSE;
637uschar *iterate_item = NULL;
638
639int journal_fd = -1;
640
641int keep_malformed = 4*24*60*60; /* 4 days */
642
643uschar *eldap_dn = NULL;
644int load_average = -2;
645BOOL local_error_message = FALSE;
646BOOL local_from_check = TRUE;
647uschar *local_from_prefix = NULL;
648uschar *local_from_suffix = NULL;
649
650#if HAVE_IPV6
651uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
652#else
653uschar *local_interfaces = US"0.0.0.0";
654#endif
655
656uschar *local_scan_data = NULL;
657int local_scan_timeout = 5*60;
658BOOL local_sender_retain = FALSE;
659gid_t local_user_gid = (gid_t)(-1);
660uid_t local_user_uid = (uid_t)(-1);
661
662tree_node *localpartlist_anchor= NULL;
663int localpartlist_count = 0;
664uschar *log_buffer = NULL;
665unsigned int log_extra_selector = LX_default;
666uschar *log_file_path = US LOG_FILE_PATH
667 "\0<--------------Space to patch log_file_path->";
668
669/* Those log options with L_xxx identifiers have values less than 0x800000 and
670are the ones that get put into log_write_selector. They can be used in calls to
671log_write() to test for the bit. The options with LX_xxx identifiers have
672values greater than 0x80000000 and are put int log_extra_selector (without the
673top bit). They are never used in calls to log_write(), but are tested
674independently. This separation became necessary when the number of log
675selectors was getting close to filling a 32-bit word. */
676
677/* Note that this list must be in alphabetical order. */
678
679bit_table log_options[] = {
680 { US"acl_warn_skipped", LX_acl_warn_skipped },
681 { US"address_rewrite", L_address_rewrite },
682 { US"all", L_all },
683 { US"all_parents", L_all_parents },
684 { US"arguments", LX_arguments },
685 { US"connection_reject", L_connection_reject },
686 { US"delay_delivery", L_delay_delivery },
687 { US"deliver_time", LX_deliver_time },
688 { US"delivery_size", LX_delivery_size },
689 { US"dnslist_defer", L_dnslist_defer },
690 { US"etrn", L_etrn },
691 { US"host_lookup_failed", L_host_lookup_failed },
692 { US"ident_timeout", LX_ident_timeout },
693 { US"incoming_interface", LX_incoming_interface },
694 { US"incoming_port", LX_incoming_port },
695 { US"lost_incoming_connection", L_lost_incoming_connection },
696 { US"outgoing_port", LX_outgoing_port },
697 { US"pid", LX_pid },
698 { US"queue_run", L_queue_run },
699 { US"queue_time", LX_queue_time },
700 { US"queue_time_overall", LX_queue_time_overall },
701 { US"received_recipients", LX_received_recipients },
702 { US"received_sender", LX_received_sender },
703 { US"rejected_header", LX_rejected_header },
704 { US"rejected_headers", LX_rejected_header },
705 { US"retry_defer", L_retry_defer },
706 { US"return_path_on_delivery", LX_return_path_on_delivery },
707 { US"sender_on_delivery", LX_sender_on_delivery },
708 { US"sender_verify_fail", LX_sender_verify_fail },
709 { US"size_reject", L_size_reject },
710 { US"skip_delivery", L_skip_delivery },
711 { US"smtp_confirmation", LX_smtp_confirmation },
712 { US"smtp_connection", L_smtp_connection },
713 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
714 { US"smtp_no_mail", LX_smtp_no_mail },
715 { US"smtp_protocol_error", L_smtp_protocol_error },
716 { US"smtp_syntax_error", L_smtp_syntax_error },
717 { US"subject", LX_subject },
718 { US"tls_certificate_verified", LX_tls_certificate_verified },
719 { US"tls_cipher", LX_tls_cipher },
720 { US"tls_peerdn", LX_tls_peerdn },
721 { US"unknown_in_list", LX_unknown_in_list }
722};
723
724int log_options_count = sizeof(log_options)/sizeof(bit_table);
725int log_reject_target = 0;
726uschar *log_selector_string = NULL;
727FILE *log_stderr = NULL;
728BOOL log_testing_mode = FALSE;
729BOOL log_timezone = FALSE;
730unsigned int log_write_selector= L_default;
731uschar *login_sender_address = NULL;
732int lookup_open_max = 25;
733uschar *lookup_value = NULL;
734
735macro_item *macros = NULL;
736uschar *mailstore_basename = NULL;
737#ifdef WITH_CONTENT_SCAN
738uschar *malware_name = NULL; /* Virus Name */
739#endif
740int max_username_length = 0;
741int message_age = 0;
742uschar *message_body = NULL;
743uschar *message_body_end = NULL;
744int message_body_size = 0;
745int message_body_visible = 500;
746int message_ended = END_NOTSTARTED;
747uschar *message_headers = NULL;
748uschar *message_id;
749uschar *message_id_domain = NULL;
750uschar *message_id_text = NULL;
751struct timeval message_id_tv = { 0, 0 };
752uschar message_id_option[MESSAGE_ID_LENGTH + 3];
753uschar *message_id_external;
754int message_linecount = 0;
755BOOL message_logs = TRUE;
756int message_size = 0;
757uschar *message_size_limit = US"50M";
758uschar message_subdir[2] = { 0, 0 };
759uschar *message_reference = NULL;
760
761/* MIME ACL expandables */
762#ifdef WITH_CONTENT_SCAN
763int mime_anomaly_level = 0;
764uschar *mime_anomaly_text = NULL;
765uschar *mime_boundary = NULL;
766uschar *mime_charset = NULL;
767uschar *mime_content_description = NULL;
768uschar *mime_content_disposition = NULL;
769uschar *mime_content_id = NULL;
770unsigned int mime_content_size = 0;
771uschar *mime_content_transfer_encoding = NULL;
772uschar *mime_content_type = NULL;
773uschar *mime_decoded_filename = NULL;
774uschar *mime_filename = NULL;
775int mime_is_multipart = 0;
776int mime_is_coverletter = 0;
777int mime_is_rfc822 = 0;
778int mime_part_count = -1;
779#endif
780
781BOOL mua_wrapper = FALSE;
782
783uid_t *never_users = NULL;
784#ifdef WITH_CONTENT_SCAN
785BOOL no_mbox_unspool = FALSE;
786#endif
787BOOL no_multiline_responses = FALSE;
788
789uid_t original_euid;
790gid_t originator_gid;
791uschar *originator_login = NULL;
792uschar *originator_name = NULL;
793uid_t originator_uid;
794uschar *override_local_interfaces = NULL;
795uschar *override_pid_file_path = NULL;
796
797BOOL parse_allow_group = FALSE;
798BOOL parse_found_group = FALSE;
799uschar *percent_hack_domains = NULL;
800uschar *pid_file_path = US PID_FILE_PATH
801 "\0<--------------Space to patch pid_file_path->";
802BOOL pipelining_enable = TRUE;
803uschar *pipelining_advertise_hosts = US"*";
804BOOL preserve_message_logs = FALSE;
805uschar *primary_hostname = NULL;
806BOOL print_topbitchars = FALSE;
807uschar process_info[PROCESS_INFO_SIZE];
808uschar *process_log_path = NULL;
809BOOL prod_requires_admin = TRUE;
810uschar *prvscheck_address = NULL;
811uschar *prvscheck_keynum = NULL;
812uschar *prvscheck_result = NULL;
813
814
815uschar *qualify_domain_recipient = NULL;
816uschar *qualify_domain_sender = NULL;
817BOOL queue_2stage = FALSE;
818uschar *queue_domains = NULL;
819int queue_interval = -1;
820BOOL queue_list_requires_admin = TRUE;
821BOOL queue_only = FALSE;
822uschar *queue_only_file = NULL;
823int queue_only_load = -1;
824BOOL queue_only_override = TRUE;
825BOOL queue_only_policy = FALSE;
826BOOL queue_run_first_delivery = FALSE;
827BOOL queue_run_force = FALSE;
828BOOL queue_run_in_order = FALSE;
829BOOL queue_run_local = FALSE;
830int queue_run_max = 5;
831pid_t queue_run_pid = (pid_t)0;
832int queue_run_pipe = -1;
833BOOL queue_running = FALSE;
834BOOL queue_smtp = FALSE;
835uschar *queue_smtp_domains = NULL;
836
837unsigned int random_seed = 0;
838tree_node *ratelimiters_cmd = NULL;
839tree_node *ratelimiters_conn = NULL;
840tree_node *ratelimiters_mail = NULL;
841uschar *raw_active_hostname = NULL;
842uschar *raw_sender = NULL;
843uschar **raw_recipients = NULL;
844int raw_recipients_count = 0;
845
846int rcpt_count = 0;
847int rcpt_fail_count = 0;
848int rcpt_defer_count = 0;
849gid_t real_gid;
850uid_t real_uid;
851BOOL really_exim = TRUE;
852BOOL receive_call_bombout = FALSE;
853int receive_linecount = 0;
854int receive_messagecount = 0;
855int receive_timeout = 0;
856int received_count = 0;
857uschar *received_for = NULL;
858
859/* This is the default text for Received headers generated by Exim. The
860date will be automatically added on the end. */
861
862uschar *received_header_text = US
863 "Received: "
864 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
865 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
866 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
867 "by $primary_hostname "
868 "${if def:received_protocol {with $received_protocol}} "
869 #ifdef SUPPORT_TLS
870 "${if def:tls_cipher {($tls_cipher)\n\t}}"
871 #endif
872 "(Exim $version_number)\n\t"
873 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
874 "id $message_exim_id"
875 "${if def:received_for {\n\tfor $received_for}}"
876 "\0<---------------Space to patch received_header_text->";
877
878int received_headers_max = 30;
879uschar *received_protocol = NULL;
880int received_time = 0;
881uschar *recipient_data = NULL;
882uschar *recipient_unqualified_hosts = NULL;
883uschar *recipient_verify_failure = NULL;
884int recipients_count = 0;
885BOOL recipients_discarded = FALSE;
886recipient_item *recipients_list = NULL;
887int recipients_list_max = 0;
888int recipients_max = 0;
889BOOL recipients_max_reject = FALSE;
890const pcre *regex_AUTH = NULL;
891const pcre *regex_check_dns_names = NULL;
892const pcre *regex_From = NULL;
893const pcre *regex_IGNOREQUOTA = NULL;
894const pcre *regex_PIPELINING = NULL;
895const pcre *regex_SIZE = NULL;
896const pcre *regex_smtp_code = NULL;
897const pcre *regex_ismsgid = NULL;
898#ifdef WITH_CONTENT_SCAN
899uschar *regex_match_string = NULL;
900#endif
901int remote_delivery_count = 0;
902int remote_max_parallel = 2;
903uschar *remote_sort_domains = NULL;
904int retry_data_expire = 7*24*60*60;
905int retry_interval_max = 24*60*60;
906int retry_maximum_timeout = 0; /* set from retry config */
907retry_config *retries = NULL;
908uschar *return_path = NULL;
909BOOL return_path_remove = TRUE;
910int rewrite_existflags = 0;
911uschar *rfc1413_hosts = US"*";
912int rfc1413_query_timeout = 5;
913/* BOOL rfc821_domains = FALSE; <<< on the way out */
914uid_t root_uid = ROOT_UID;
915
916router_instance *routers = NULL;
917router_instance router_defaults = {
918 NULL, /* chain pointer */
919 NULL, /* name */
920 NULL, /* info */
921 NULL, /* private options block pointer */
922 NULL, /* driver name */
923
924 NULL, /* address_data */
925#ifdef EXPERIMENTAL_BRIGHTMAIL
926 NULL, /* bmi_rule */
927#endif
928 NULL, /* cannot_route_message */
929 NULL, /* condition */
930 NULL, /* current_directory */
931 NULL, /* debug_string */
932 NULL, /* domains */
933 NULL, /* errors_to */
934 NULL, /* expand_gid */
935 NULL, /* expand_uid */
936 NULL, /* expand_more */
937 NULL, /* expand_unseen */
938 NULL, /* extra_headers */
939 NULL, /* fallback_hosts */
940 NULL, /* home_directory */
941 NULL, /* ignore_target_hosts */
942 NULL, /* local_parts */
943 NULL, /* pass_router_name */
944 NULL, /* prefix */
945 NULL, /* redirect_router_name */
946 NULL, /* remove_headers */
947 NULL, /* require_files */
948 NULL, /* router_home_directory */
949 US"freeze", /* self */
950 NULL, /* senders */
951 NULL, /* suffix */
952 NULL, /* translate_ip_address */
953 NULL, /* transport_name */
954
955 TRUE, /* address_test */
956#ifdef EXPERIMENTAL_BRIGHTMAIL
957 FALSE, /* bmi_deliver_alternate */
958 FALSE, /* bmi_deliver_default */
959 FALSE, /* bmi_dont_deliver */
960#endif
961 TRUE, /* expn */
962 FALSE, /* caseful_local_part */
963 FALSE, /* check_local_user */
964 FALSE, /* disable_logging */
965 FALSE, /* fail_verify_recipient */
966 FALSE, /* fail_verify_sender */
967 FALSE, /* gid_set */
968 FALSE, /* initgroups */
969 TRUE_UNSET, /* log_as_local */
970 TRUE, /* more */
971 FALSE, /* pass_on_timeout */
972 FALSE, /* prefix_optional */
973 TRUE, /* repeat_use */
974 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
975 FALSE, /* same_domain_copy_routing */
976 FALSE, /* self_rewrite */
977 FALSE, /* suffix_optional */
978 FALSE, /* verify_only */
979 TRUE, /* verify_recipient */
980 TRUE, /* verify_sender */
981 FALSE, /* uid_set */
982 FALSE, /* unseen */
983
984 self_freeze, /* self_code */
985 (uid_t)(-1), /* uid */
986 (gid_t)(-1), /* gid */
987
988 NULL, /* fallback_hostlist */
989 NULL, /* transport instance */
990 NULL, /* pass_router */
991 NULL /* redirect_router */
992};
993
994ip_address_item *running_interfaces = NULL;
995BOOL running_in_test_harness = FALSE;
996
997/* This is a weird one. The following string gets patched in the binary by the
998script that sets up a copy of Exim for running in the test harness. It seems
999that compilers are now clever, and share constant strings if they can.
1000Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1001make use of the end of this string in order to save space. So the patching then
1002wrecks this. We default this optimization by adding some additional characters
1003onto the end of the string. */
1004
1005uschar *running_status = US">>>running<<<" "\0EXTRA";
1006
1007int runrc = 0;
1008
1009uschar *search_error_message = NULL;
1010BOOL search_find_defer = FALSE;
1011uschar *self_hostname = NULL;
1012uschar *sender_address = NULL;
1013unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1014uschar *sender_address_data = NULL;
1015BOOL sender_address_forced = FALSE;
1016uschar *sender_address_unrewritten = NULL;
1017uschar *sender_data = NULL;
1018unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1019uschar *sender_fullhost = NULL;
1020uschar *sender_helo_name = NULL;
1021uschar **sender_host_aliases = &no_aliases;
1022uschar *sender_host_address = NULL;
1023uschar *sender_host_authenticated = NULL;
1024unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1025uschar *sender_host_name = NULL;
1026int sender_host_port = 0;
1027BOOL sender_host_notsocket = FALSE;
1028BOOL sender_host_unknown = FALSE;
1029uschar *sender_ident = NULL;
1030BOOL sender_local = FALSE;
1031BOOL sender_name_forced = FALSE;
1032uschar *sender_rate = NULL;
1033uschar *sender_rate_limit = NULL;
1034uschar *sender_rate_period = NULL;
1035uschar *sender_rcvhost = NULL;
1036BOOL sender_set_untrusted = FALSE;
1037uschar *sender_unqualified_hosts = NULL;
1038uschar *sender_verify_failure = NULL;
1039address_item *sender_verified_list = NULL;
1040address_item *sender_verified_failed = NULL;
1041int sender_verified_rc = -1;
1042BOOL sender_verified_responded = FALSE;
1043uschar *sending_ip_address = NULL;
1044int sending_port = -1;
1045volatile BOOL sigalrm_seen = FALSE;
1046uschar **sighup_argv = NULL;
1047int smtp_accept_count = 0;
1048BOOL smtp_accept_keepalive = TRUE;
1049int smtp_accept_max = 20;
1050int smtp_accept_max_nonmail= 10;
1051uschar *smtp_accept_max_nonmail_hosts = US"*";
1052int smtp_accept_max_per_connection = 1000;
1053uschar *smtp_accept_max_per_host = NULL;
1054int smtp_accept_queue = 0;
1055int smtp_accept_queue_per_connection = 10;
1056int smtp_accept_reserve = 0;
1057uschar *smtp_active_hostname = NULL;
1058BOOL smtp_authenticated = FALSE;
1059uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1060 "Exim $version_number $tod_full"
1061 "\0<---------------Space to patch smtp_banner->";
1062BOOL smtp_batched_input = FALSE;
1063BOOL smtp_check_spool_space = TRUE;
1064int smtp_ch_index = 0;
1065uschar *smtp_cmd_argument = NULL;
1066uschar *smtp_cmd_buffer = NULL;
1067time_t smtp_connection_start = 0;
1068uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1069int smtp_connect_backlog = 20;
1070double smtp_delay_mail = 0.0;
1071double smtp_delay_rcpt = 0.0;
1072BOOL smtp_enforce_sync = TRUE;
1073FILE *smtp_in = NULL;
1074BOOL smtp_input = FALSE;
1075int smtp_load_reserve = -1;
1076int smtp_mailcmd_count = 0;
1077FILE *smtp_out = NULL;
1078uschar *smtp_etrn_command = NULL;
1079BOOL smtp_etrn_serialize = TRUE;
1080int smtp_max_synprot_errors= 3;
1081int smtp_max_unknown_commands = 3;
1082uschar *smtp_ratelimit_hosts = NULL;
1083uschar *smtp_ratelimit_mail = NULL;
1084uschar *smtp_ratelimit_rcpt = NULL;
1085uschar *smtp_read_error = US"";
1086int smtp_receive_timeout = 5*60;
1087uschar *smtp_reserve_hosts = NULL;
1088BOOL smtp_return_error_details = FALSE;
1089int smtp_rlm_base = 0;
1090double smtp_rlm_factor = 0.0;
1091int smtp_rlm_limit = 0;
1092int smtp_rlm_threshold = INT_MAX;
1093int smtp_rlr_base = 0;
1094double smtp_rlr_factor = 0.0;
1095int smtp_rlr_limit = 0;
1096int smtp_rlr_threshold = INT_MAX;
1097BOOL smtp_use_pipelining = FALSE;
1098BOOL smtp_use_size = FALSE;
1099
1100#ifdef WITH_CONTENT_SCAN
1101uschar *spamd_address = US"127.0.0.1 783";
1102uschar *spam_bar = NULL;
1103uschar *spam_report = NULL;
1104uschar *spam_score = NULL;
1105uschar *spam_score_int = NULL;
1106#endif
1107#ifdef EXPERIMENTAL_SPF
1108uschar *spf_header_comment = NULL;
1109uschar *spf_received = NULL;
1110uschar *spf_result = NULL;
1111uschar *spf_smtp_comment = NULL;
1112#endif
1113
1114BOOL split_spool_directory = FALSE;
1115uschar *spool_directory = US SPOOL_DIRECTORY
1116 "\0<--------------Space to patch spool_directory->";
1117#ifdef EXPERIMENTAL_SRS
1118uschar *srs_config = NULL;
1119uschar *srs_db_address = NULL;
1120uschar *srs_db_key = NULL;
1121int srs_hashlength = 6;
1122int srs_hashmin = -1;
1123int srs_maxage = 31;
1124uschar *srs_orig_recipient = NULL;
1125uschar *srs_orig_sender = NULL;
1126uschar *srs_recipient = NULL;
1127uschar *srs_secrets = NULL;
1128uschar *srs_status = NULL;
1129BOOL srs_usehash = TRUE;
1130BOOL srs_usetimestamp = TRUE;
1131#endif
1132BOOL strict_acl_vars = FALSE;
1133int string_datestamp_offset= -1;
1134BOOL strip_excess_angle_brackets = FALSE;
1135BOOL strip_trailing_dot = FALSE;
1136uschar *submission_domain = NULL;
1137BOOL submission_mode = FALSE;
1138uschar *submission_name = NULL;
1139BOOL suppress_local_fixups = FALSE;
1140BOOL synchronous_delivery = FALSE;
1141BOOL syslog_duplication = TRUE;
1142int syslog_facility = LOG_MAIL;
1143uschar *syslog_processname = US"exim";
1144BOOL syslog_timestamp = TRUE;
1145uschar *system_filter = NULL;
1146
1147uschar *system_filter_directory_transport = NULL;
1148uschar *system_filter_file_transport = NULL;
1149uschar *system_filter_pipe_transport = NULL;
1150uschar *system_filter_reply_transport = NULL;
1151
1152gid_t system_filter_gid = 0;
1153BOOL system_filter_gid_set = FALSE;
1154uid_t system_filter_uid = 0;
1155BOOL system_filter_uid_set = FALSE;
1156BOOL system_filtering = FALSE;
1157
1158BOOL tcp_nodelay = TRUE;
1159int thismessage_size_limit = 0;
1160int timeout_frozen_after = 0;
1161BOOL timestamps_utc = FALSE;
1162
1163transport_instance *transports = NULL;
1164
1165transport_instance transport_defaults = {
1166 NULL, /* chain pointer */
1167 NULL, /* name */
1168 NULL, /* info */
1169 NULL, /* private options block pointer */
1170 NULL, /* driver name */
1171 NULL, /* setup entry point */
1172 1, /* batch_max */
1173 NULL, /* batch_id */
1174 NULL, /* home_dir */
1175 NULL, /* current_dir */
1176 TRUE, /* multi-domain */
1177 FALSE, /* overrides_hosts */
1178 100, /* max_addresses */
1179 500, /* connection_max_messages */
1180 FALSE, /* deliver_as_creator */
1181 FALSE, /* disable_logging */
1182 FALSE, /* initgroups */
1183 FALSE, /* uid_set */
1184 FALSE, /* gid_set */
1185 (uid_t)(-1), /* uid */
1186 (gid_t)(-1), /* gid */
1187 NULL, /* expand_uid */
1188 NULL, /* expand_gid */
1189 NULL, /* warn_message */
1190 NULL, /* shadow */
1191 NULL, /* shadow_condition */
1192 NULL, /* filter_command */
1193 NULL, /* add_headers */
1194 NULL, /* remove_headers */
1195 NULL, /* return_path */
1196 NULL, /* debug_string */
1197 NULL, /* message_size_limit */
1198 NULL, /* headers_rewrite */
1199 NULL, /* rewrite_rules */
1200 0, /* rewrite_existflags */
1201 300, /* filter_timeout */
1202 FALSE, /* body_only */
1203 FALSE, /* delivery_date_add */
1204 FALSE, /* envelope_to_add */
1205 FALSE, /* headers_only */
1206 FALSE, /* rcpt_include_affixes */
1207 FALSE, /* return_path_add */
1208 FALSE, /* return_output */
1209 FALSE, /* return_fail_output */
1210 FALSE, /* log_output */
1211 FALSE, /* log_fail_output */
1212 FALSE, /* log_defer_output */
1213 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1214 1 nor 0 so can detect unset */
1215};
1216
1217int transport_count;
1218uschar **transport_filter_argv = NULL;
1219int transport_filter_timeout;
1220BOOL transport_filter_timed_out = FALSE;
1221int transport_write_timeout= 0;
1222
1223tree_node *tree_dns_fails = NULL;
1224tree_node *tree_duplicates = NULL;
1225tree_node *tree_nonrecipients = NULL;
1226tree_node *tree_unusable = NULL;
1227
1228BOOL trusted_caller = FALSE;
1229gid_t *trusted_groups = NULL;
1230uid_t *trusted_users = NULL;
1231uschar *timezone_string = US TIMEZONE_DEFAULT;
1232
1233uschar *unknown_login = NULL;
1234uschar *unknown_username = NULL;
1235uschar *untrusted_set_sender = NULL;
1236
1237/* A regex for matching a "From_" line in an incoming message, in the form
1238
1239 From ph10 Fri Jan 5 12:35 GMT 1996
1240
1241which the "mail" commands send to the MTA (undocumented, of course), or in
1242the form
1243
1244 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1245
1246which is apparently used by some UUCPs, despite it not being in RFC 976.
1247Because of variations in time formats, just match up to the minutes. That
1248should be sufficient. Examples have been seen of time fields like 12:1:03,
1249so just require one digit for hours and minutes. The weekday is also absent
1250in some forms. */
1251
1252uschar *uucp_from_pattern = US
1253 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1254 "(?:" /* Non-extracting bracket */
1255 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1256 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1257 ")" /* End alternation */
1258 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1259
1260uschar *uucp_from_sender = US"$1";
1261
1262uschar *warn_message_file = NULL;
1263uschar *warnmsg_delay = NULL;
1264uschar *warnmsg_recipients = NULL;
1265BOOL write_rejectlog = TRUE;
1266
1267uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1268uschar *version_date = US"?";
1269uschar *version_cnumber = US"????";
1270uschar *version_string = US"?";
1271
1272int warning_count = 0;
1273
1274/* End of globals.c */
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