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1/* $Cambridge: exim/src/src/globals.c,v 1.88 2010/06/12 15:21:26 jetmore Exp $ */
2
3/*************************************************
4* Exim - an Internet mail transport agent *
5*************************************************/
6
7/* Copyright (c) University of Cambridge 1995 - 2009 */
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/* Generic options for auths, all of which live inside auth_instance
17data blocks and hence have the opt_public flag set. */
18
19optionlist optionlist_auths[] = {
20 { "client_condition", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, client_condition)) },
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_default_servers = NULL;
64int eldap_version = -1;
65#endif
66
67#ifdef LOOKUP_MYSQL
68uschar *mysql_servers = NULL;
69#endif
70
71#ifdef LOOKUP_ORACLE
72uschar *oracle_servers = NULL;
73#endif
74
75#ifdef LOOKUP_PGSQL
76uschar *pgsql_servers = NULL;
77#endif
78
79#ifdef LOOKUP_SQLITE
80int sqlite_lock_timeout = 5;
81#endif
82
83#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
84BOOL move_frozen_messages = FALSE;
85#endif
86
87/* These variables are outside the #ifdef because it keeps the code less
88cluttered in several places (e.g. during logging) if we can always refer to
89them. Also, the tls_ variables are now always visible. */
90
91BOOL tls_active = -1;
92BOOL tls_certificate_verified = FALSE;
93uschar *tls_cipher = NULL;
94BOOL tls_on_connect = FALSE;
95uschar *tls_on_connect_ports = NULL;
96uschar *tls_peerdn = NULL;
97
98#ifdef SUPPORT_TLS
99BOOL gnutls_compat_mode = FALSE;
100uschar *gnutls_require_mac = NULL;
101uschar *gnutls_require_kx = NULL;
102uschar *gnutls_require_proto = NULL;
103uschar *openssl_options = NULL;
104const pcre *regex_STARTTLS = NULL;
105uschar *tls_advertise_hosts = NULL; /* This is deliberate */
106uschar *tls_certificate = NULL;
107uschar *tls_crl = NULL;
108uschar *tls_dhparam = NULL;
109BOOL tls_offered = FALSE;
110uschar *tls_privatekey = NULL;
111BOOL tls_remember_esmtp = FALSE;
112uschar *tls_require_ciphers = NULL;
113uschar *tls_try_verify_hosts = NULL;
114uschar *tls_verify_certificates= NULL;
115uschar *tls_verify_hosts = NULL;
116#endif
117
118
119/* Input-reading functions for messages, so we can use special ones for
120incoming TCP/IP. The defaults use stdin. We never need these for any
121stand-alone tests. */
122
123#ifndef STAND_ALONE
124int (*receive_getc)(void) = stdin_getc;
125int (*receive_ungetc)(int) = stdin_ungetc;
126int (*receive_feof)(void) = stdin_feof;
127int (*receive_ferror)(void) = stdin_ferror;
128BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
129#endif
130
131
132/* List of per-address expansion variables for clearing and saving/restoring
133when verifying one address while routing/verifying another. We have to have
134the size explicit, because it is referenced from more than one module. */
135
136uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
137 &deliver_address_data,
138 &deliver_domain,
139 &deliver_domain_data,
140 &deliver_domain_orig,
141 &deliver_domain_parent,
142 &deliver_localpart,
143 &deliver_localpart_data,
144 &deliver_localpart_orig,
145 &deliver_localpart_parent,
146 &deliver_localpart_prefix,
147 &deliver_localpart_suffix,
148 (uschar **)(&deliver_recipients),
149 &deliver_host,
150 &deliver_home,
151 &address_file,
152 &address_pipe,
153 &self_hostname,
154 NULL };
155
156int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
157
158/* General global variables */
159
160header_line *acl_added_headers = NULL;
161tree_node *acl_anchor = NULL;
162
163uschar *acl_not_smtp = NULL;
164#ifdef WITH_CONTENT_SCAN
165uschar *acl_not_smtp_mime = NULL;
166#endif
167uschar *acl_not_smtp_start = NULL;
168
169uschar *acl_smtp_auth = NULL;
170uschar *acl_smtp_connect = NULL;
171uschar *acl_smtp_data = NULL;
172#ifndef DISABLE_DKIM
173uschar *acl_smtp_dkim = NULL;
174#endif
175uschar *acl_smtp_etrn = NULL;
176uschar *acl_smtp_expn = NULL;
177uschar *acl_smtp_helo = NULL;
178uschar *acl_smtp_mail = NULL;
179uschar *acl_smtp_mailauth = NULL;
180#ifdef WITH_CONTENT_SCAN
181uschar *acl_smtp_mime = NULL;
182#endif
183uschar *acl_smtp_notquit = NULL;
184uschar *acl_smtp_predata = NULL;
185uschar *acl_smtp_quit = NULL;
186uschar *acl_smtp_rcpt = NULL;
187uschar *acl_smtp_starttls = NULL;
188uschar *acl_smtp_vrfy = NULL;
189
190BOOL acl_temp_details = FALSE;
191tree_node *acl_var_c = NULL;
192tree_node *acl_var_m = NULL;
193uschar *acl_verify_message = NULL;
194string_item *acl_warn_logged = NULL;
195
196/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
197error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
198
199uschar *acl_wherenames[] = { US"RCPT",
200 US"MAIL",
201 US"PREDATA",
202 US"MIME",
203 US"DKIM",
204 US"DATA",
205 US"non-SMTP",
206 US"AUTH",
207 US"connection",
208 US"ETRN",
209 US"EXPN",
210 US"EHLO or HELO",
211 US"MAILAUTH",
212 US"non-SMTP-start",
213 US"NOTQUIT",
214 US"QUIT",
215 US"STARTTLS",
216 US"VRFY"
217 };
218
219uschar *acl_wherecodes[] = { US"550", /* RCPT */
220 US"550", /* MAIL */
221 US"550", /* PREDATA */
222 US"550", /* MIME */
223 US"550", /* DKIM */
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", /* NOTQUIT; not relevant */
234 US"0", /* QUIT; not relevant */
235 US"550", /* STARTTLS */
236 US"252" /* VRFY */
237 };
238
239BOOL active_local_from_check = FALSE;
240BOOL active_local_sender_retain = FALSE;
241BOOL accept_8bitmime = FALSE;
242address_item *addr_duplicate = NULL;
243
244address_item address_defaults = {
245 NULL, /* next */
246 NULL, /* parent */
247 NULL, /* first */
248 NULL, /* dupof */
249 NULL, /* start_router */
250 NULL, /* router */
251 NULL, /* transport */
252 NULL, /* host_list */
253 NULL, /* host_used */
254 NULL, /* fallback_hosts */
255 NULL, /* reply */
256 NULL, /* retries */
257 NULL, /* address */
258 NULL, /* unique */
259 NULL, /* cc_local_part */
260 NULL, /* lc_local_part */
261 NULL, /* local_part */
262 NULL, /* prefix */
263 NULL, /* suffix */
264 NULL, /* domain */
265 NULL, /* address_retry_key */
266 NULL, /* domain_retry_key */
267 NULL, /* current_dir */
268 NULL, /* home_dir */
269 NULL, /* message */
270 NULL, /* user_message */
271 NULL, /* onetime_parent */
272 NULL, /* pipe_expandn */
273 NULL, /* return_filename */
274 NULL, /* self_hostname */
275 NULL, /* shadow_message */
276 #ifdef SUPPORT_TLS
277 NULL, /* cipher */
278 NULL, /* peerdn */
279 #endif
280 (uid_t)(-1), /* uid */
281 (gid_t)(-1), /* gid */
282 0, /* flags */
283 { 0 }, /* domain_cache - any larger array should be zeroed */
284 { 0 }, /* localpart_cache - ditto */
285 -1, /* mode */
286 0, /* more_errno */
287 ERRNO_UNKNOWNERROR, /* basic_errno */
288 0, /* child_count */
289 -1, /* return_file */
290 SPECIAL_NONE, /* special_action */
291 DEFER, /* transport_return */
292 { /* fields that are propagated to children */
293 NULL, /* address_data */
294 NULL, /* domain_data */
295 NULL, /* localpart_data */
296 NULL, /* errors_address */
297 NULL, /* extra_headers */
298 NULL, /* remove_headers */
299#ifdef EXPERIMENTAL_SRS
300 NULL, /* srs_sender */
301#endif
302 }
303};
304
305uschar *address_file = NULL;
306uschar *address_pipe = NULL;
307BOOL address_test_mode = FALSE;
308tree_node *addresslist_anchor = NULL;
309int addresslist_count = 0;
310gid_t *admin_groups = NULL;
311BOOL admin_user = FALSE;
312BOOL allow_auth_unadvertised= FALSE;
313BOOL allow_domain_literals = FALSE;
314BOOL allow_mx_to_ip = FALSE;
315BOOL allow_unqualified_recipient = TRUE; /* For local messages */
316BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
317BOOL allow_utf8_domains = FALSE;
318uschar *authenticated_id = NULL;
319uschar *authenticated_sender = NULL;
320BOOL authentication_failed = FALSE;
321auth_instance *auths = NULL;
322uschar *auth_advertise_hosts = US"*";
323auth_instance auth_defaults = {
324 NULL, /* chain pointer */
325 NULL, /* name */
326 NULL, /* info */
327 NULL, /* private options block pointer */
328 NULL, /* driver_name */
329 NULL, /* advertise_condition */
330 NULL, /* client_condition */
331 NULL, /* public_name */
332 NULL, /* set_id */
333 NULL, /* server_mail_auth_condition */
334 NULL, /* server_debug_string */
335 NULL, /* server_condition */
336 FALSE, /* client */
337 FALSE, /* server */
338 FALSE /* advertised */
339};
340
341uschar *auth_defer_msg = US"reason not recorded";
342uschar *auth_defer_user_msg = US"";
343uschar *auth_vars[AUTH_VARS];
344int auto_thaw = 0;
345#ifdef WITH_CONTENT_SCAN
346uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
347#endif
348
349BOOL background_daemon = TRUE;
350
351#if BASE_62 == 62
352uschar *base62_chars=
353 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
354#else
355uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
356#endif
357
358uschar *bi_command = NULL;
359uschar *big_buffer = NULL;
360int big_buffer_size = BIG_BUFFER_SIZE;
361#ifdef EXPERIMENTAL_BRIGHTMAIL
362uschar *bmi_alt_location = NULL;
363uschar *bmi_base64_tracker_verdict = NULL;
364uschar *bmi_base64_verdict = NULL;
365uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
366int bmi_deliver = 1;
367int bmi_run = 0;
368uschar *bmi_verdicts = NULL;
369#endif
370int body_linecount = 0;
371int body_zerocount = 0;
372uschar *bounce_message_file = NULL;
373uschar *bounce_message_text = NULL;
374uschar *bounce_recipient = NULL;
375BOOL bounce_return_body = TRUE;
376BOOL bounce_return_message = TRUE;
377int bounce_return_size_limit = 100*1024;
378uschar *bounce_sender_authentication = NULL;
379int bsmtp_transaction_linecount = 0;
380
381int callout_cache_domain_positive_expire = 7*24*60*60;
382int callout_cache_domain_negative_expire = 3*60*60;
383int callout_cache_positive_expire = 24*60*60;
384int callout_cache_negative_expire = 2*60*60;
385uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
386uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
387int check_log_inodes = 0;
388int check_log_space = 0;
389BOOL check_rfc2047_length = TRUE;
390int check_spool_inodes = 0;
391int check_spool_space = 0;
392int clmacro_count = 0;
393uschar *clmacros[MAX_CLMACROS];
394BOOL config_changed = FALSE;
395FILE *config_file = NULL;
396uschar *config_filename = NULL;
397int config_lineno = 0;
398#ifdef CONFIGURE_GROUP
399gid_t config_gid = CONFIGURE_GROUP;
400#endif
401uschar *config_main_filelist = US CONFIGURE_FILE
402 "\0<-----------Space to patch configure_filename->";
403uschar *config_main_filename = NULL;
404
405#ifdef CONFIGURE_OWNER
406uid_t config_uid = CONFIGURE_OWNER;
407#endif
408
409int connection_max_messages= -1;
410uschar *continue_hostname = NULL;
411uschar *continue_host_address = NULL;
412BOOL continue_more = FALSE;
413int continue_sequence = 1;
414uschar *continue_transport = NULL;
415
416uschar *csa_status = NULL;
417
418BOOL daemon_listen = FALSE;
419uschar *daemon_smtp_port = US"smtp";
420int daemon_startup_retries = 9;
421int daemon_startup_sleep = 30;
422
423#ifdef EXPERIMENTAL_DCC
424BOOL dcc_direct_add_header = FALSE;
425uschar *dcc_header = NULL;
426uschar *dcc_result = NULL;
427uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
428uschar *dccifd_options = US"header";
429#endif
430
431BOOL debug_daemon = FALSE;
432int debug_fd = -1;
433FILE *debug_file = NULL;
434bit_table debug_options[] = {
435 { US"acl", D_acl },
436 { US"all", D_all },
437 { US"auth", D_auth },
438 { US"deliver", D_deliver },
439 { US"dns", D_dns },
440 { US"dnsbl", D_dnsbl },
441 { US"exec", D_exec },
442 { US"expand", D_expand },
443 { US"filter", D_filter },
444 { US"hints_lookup", D_hints_lookup },
445 { US"host_lookup", D_host_lookup },
446 { US"ident", D_ident },
447 { US"interface", D_interface },
448 { US"lists", D_lists },
449 { US"load", D_load },
450 { US"local_scan", D_local_scan },
451 { US"lookup", D_lookup },
452 { US"memory", D_memory },
453 { US"pid", D_pid },
454 { US"process_info", D_process_info },
455 { US"queue_run", D_queue_run },
456 { US"receive", D_receive },
457 { US"resolver", D_resolver },
458 { US"retry", D_retry },
459 { US"rewrite", D_rewrite },
460 { US"route", D_route },
461 { US"timestamp", D_timestamp },
462 { US"tls", D_tls },
463 { US"transport", D_transport },
464 { US"uid", D_uid },
465 { US"verify", D_verify }
466};
467int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
468unsigned int debug_selector = 0;
469int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
470uschar *delay_warning_condition=
471 US"${if or {"
472 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
473 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
474 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
475 "} {no}{yes}}";
476BOOL delivery_date_remove = TRUE;
477uschar *deliver_address_data = NULL;
478int deliver_datafile = -1;
479uschar *deliver_domain = NULL;
480uschar *deliver_domain_data = NULL;
481uschar *deliver_domain_orig = NULL;
482uschar *deliver_domain_parent = NULL;
483BOOL deliver_drop_privilege = FALSE;
484BOOL deliver_firsttime = FALSE;
485BOOL deliver_force = FALSE;
486BOOL deliver_freeze = FALSE;
487int deliver_frozen_at = 0;
488uschar *deliver_home = NULL;
489uschar *deliver_host = NULL;
490uschar *deliver_host_address = NULL;
491uschar *deliver_in_buffer = NULL;
492ino_t deliver_inode = 0;
493uschar *deliver_localpart = NULL;
494uschar *deliver_localpart_data = NULL;
495uschar *deliver_localpart_orig = NULL;
496uschar *deliver_localpart_parent = NULL;
497uschar *deliver_localpart_prefix = NULL;
498uschar *deliver_localpart_suffix = NULL;
499BOOL deliver_force_thaw = FALSE;
500BOOL deliver_manual_thaw = FALSE;
501uschar *deliver_out_buffer = NULL;
502int deliver_queue_load_max = -1;
503address_item *deliver_recipients = NULL;
504uschar *deliver_selectstring = NULL;
505BOOL deliver_selectstring_regex = FALSE;
506uschar *deliver_selectstring_sender = NULL;
507BOOL deliver_selectstring_sender_regex = FALSE;
508#ifdef WITH_OLD_DEMIME
509int demime_errorlevel = 0;
510int demime_ok = 0;
511uschar *demime_reason = NULL;
512#endif
513BOOL disable_callout_flush = FALSE;
514BOOL disable_delay_flush = FALSE;
515#ifdef ENABLE_DISABLE_FSYNC
516BOOL disable_fsync = FALSE;
517#endif
518BOOL disable_ipv6 = FALSE;
519BOOL disable_logging = FALSE;
520
521#ifndef DISABLE_DKIM
522uschar *dkim_cur_signer = NULL;
523uschar *dkim_signers = NULL;
524uschar *dkim_signing_domain = NULL;
525uschar *dkim_signing_selector = NULL;
526uschar *dkim_verify_signers = US"$dkim_signers";
527BOOL dkim_collect_input = FALSE;
528BOOL dkim_disable_verify = FALSE;
529#endif
530
531uschar *dns_again_means_nonexist = NULL;
532int dns_csa_search_limit = 5;
533BOOL dns_csa_use_reverse = TRUE;
534uschar *dns_ipv4_lookup = NULL;
535int dns_retrans = 0;
536int dns_retry = 0;
537uschar *dnslist_domain = NULL;
538uschar *dnslist_matched = NULL;
539uschar *dnslist_text = NULL;
540uschar *dnslist_value = NULL;
541tree_node *domainlist_anchor = NULL;
542int domainlist_count = 0;
543BOOL dont_deliver = FALSE;
544BOOL dot_ends = TRUE;
545BOOL drop_cr = FALSE; /* No longer used */
546uschar *dsn_from = US DEFAULT_DSN_FROM;
547
548BOOL enable_dollar_recipients = FALSE;
549BOOL envelope_to_remove = TRUE;
550int errno_quota = ERRNO_QUOTA;
551uschar *errors_copy = NULL;
552int error_handling = ERRORS_SENDER;
553uschar *errors_reply_to = NULL;
554int errors_sender_rc = EXIT_FAILURE;
555
556gid_t exim_gid = EXIM_GID;
557BOOL exim_gid_set = TRUE; /* This gid is always set */
558uschar *exim_path = US BIN_DIRECTORY "/exim"
559 "\0<---------------Space to patch exim_path->";
560uid_t exim_uid = EXIM_UID;
561BOOL exim_uid_set = TRUE; /* This uid is always set */
562int expand_forbid = 0;
563int expand_nlength[EXPAND_MAXN+1];
564int expand_nmax = -1;
565uschar *expand_nstring[EXPAND_MAXN+1];
566BOOL expand_string_forcedfail = FALSE;
567uschar *expand_string_message;
568BOOL extract_addresses_remove_arguments = TRUE;
569uschar *extra_local_interfaces = NULL;
570
571int fake_response = OK;
572uschar *fake_response_text = US"Your message has been rejected but is "
573 "being kept for evaluation.\nIf it was a "
574 "legitimate message, it may still be "
575 "delivered to the target recipient(s).";
576int filter_n[FILTER_VARIABLE_COUNT];
577BOOL filter_running = FALSE;
578int filter_sn[FILTER_VARIABLE_COUNT];
579int filter_test = FTEST_NONE;
580uschar *filter_test_sfile = NULL;
581uschar *filter_test_ufile = NULL;
582uschar *filter_thisaddress = NULL;
583int finduser_retries = 0;
584#ifdef WITH_OLD_DEMIME
585uschar *found_extension = NULL;
586#endif
587uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
588uschar *freeze_tell = NULL;
589uschar *freeze_tell_config = NULL;
590uschar *fudged_queue_times = US"";
591
592uschar *gecos_name = NULL;
593uschar *gecos_pattern = NULL;
594rewrite_rule *global_rewrite_rules = NULL;
595
596uschar *headers_charset = US HEADERS_CHARSET;
597int header_insert_maxlen = 64 * 1024;
598header_line *header_last = NULL;
599header_line *header_list = NULL;
600int header_maxsize = HEADER_MAXSIZE;
601int header_line_maxsize = 0;
602
603header_name header_names[] = {
604 { US"bcc", 3, TRUE, htype_bcc },
605 { US"cc", 2, TRUE, htype_cc },
606 { US"date", 4, TRUE, htype_date },
607 { US"delivery-date", 13, FALSE, htype_delivery_date },
608 { US"envelope-to", 11, FALSE, htype_envelope_to },
609 { US"from", 4, TRUE, htype_from },
610 { US"message-id", 10, TRUE, htype_id },
611 { US"received", 8, FALSE, htype_received },
612 { US"reply-to", 8, FALSE, htype_reply_to },
613 { US"return-path", 11, FALSE, htype_return_path },
614 { US"sender", 6, TRUE, htype_sender },
615 { US"subject", 7, FALSE, htype_subject },
616 { US"to", 2, TRUE, htype_to }
617};
618
619int header_names_size = sizeof(header_names)/sizeof(header_name);
620
621BOOL header_rewritten = FALSE;
622uschar *helo_accept_junk_hosts = NULL;
623uschar *helo_allow_chars = US"";
624uschar *helo_lookup_domains = US"@ : @[]";
625uschar *helo_try_verify_hosts = NULL;
626BOOL helo_verified = FALSE;
627BOOL helo_verify_failed = FALSE;
628uschar *helo_verify_hosts = NULL;
629uschar *hex_digits = US"0123456789abcdef";
630uschar *hold_domains = NULL;
631BOOL host_checking = FALSE;
632BOOL host_checking_callout = FALSE;
633uschar *host_data = NULL;
634BOOL host_find_failed_syntax= FALSE;
635uschar *host_lookup = NULL;
636BOOL host_lookup_deferred = FALSE;
637BOOL host_lookup_failed = FALSE;
638uschar *host_lookup_order = US"bydns:byaddr";
639uschar *host_lookup_msg = US"";
640int host_number = 0;
641uschar *host_number_string = NULL;
642uschar *host_reject_connection = NULL;
643tree_node *hostlist_anchor = NULL;
644int hostlist_count = 0;
645uschar *hosts_treat_as_local = NULL;
646uschar *hosts_connection_nolog = NULL;
647
648int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
649BOOL ignore_fromline_local = FALSE;
650uschar *ignore_fromline_hosts = NULL;
651uschar *interface_address = NULL;
652int interface_port = -1;
653BOOL is_inetd = FALSE;
654uschar *iterate_item = NULL;
655
656int journal_fd = -1;
657
658int keep_malformed = 4*24*60*60; /* 4 days */
659
660uschar *eldap_dn = NULL;
661int load_average = -2;
662BOOL local_error_message = FALSE;
663BOOL local_from_check = TRUE;
664uschar *local_from_prefix = NULL;
665uschar *local_from_suffix = NULL;
666
667#if HAVE_IPV6
668uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
669#else
670uschar *local_interfaces = US"0.0.0.0";
671#endif
672
673uschar *local_scan_data = NULL;
674int local_scan_timeout = 5*60;
675BOOL local_sender_retain = FALSE;
676gid_t local_user_gid = (gid_t)(-1);
677uid_t local_user_uid = (uid_t)(-1);
678
679tree_node *localpartlist_anchor= NULL;
680int localpartlist_count = 0;
681uschar *log_buffer = NULL;
682unsigned int log_extra_selector = LX_default;
683uschar *log_file_path = US LOG_FILE_PATH
684 "\0<--------------Space to patch log_file_path->";
685
686/* Those log options with L_xxx identifiers have values less than 0x800000 and
687are the ones that get put into log_write_selector. They can be used in calls to
688log_write() to test for the bit. The options with LX_xxx identifiers have
689values greater than 0x80000000 and are put int log_extra_selector (without the
690top bit). They are never used in calls to log_write(), but are tested
691independently. This separation became necessary when the number of log
692selectors was getting close to filling a 32-bit word. */
693
694/* Note that this list must be in alphabetical order. */
695
696bit_table log_options[] = {
697 { US"acl_warn_skipped", LX_acl_warn_skipped },
698 { US"address_rewrite", L_address_rewrite },
699 { US"all", L_all },
700 { US"all_parents", L_all_parents },
701 { US"arguments", LX_arguments },
702 { US"connection_reject", L_connection_reject },
703 { US"delay_delivery", L_delay_delivery },
704 { US"deliver_time", LX_deliver_time },
705 { US"delivery_size", LX_delivery_size },
706 { US"dnslist_defer", L_dnslist_defer },
707 { US"etrn", L_etrn },
708 { US"host_lookup_failed", L_host_lookup_failed },
709 { US"ident_timeout", LX_ident_timeout },
710 { US"incoming_interface", LX_incoming_interface },
711 { US"incoming_port", LX_incoming_port },
712 { US"lost_incoming_connection", L_lost_incoming_connection },
713 { US"outgoing_port", LX_outgoing_port },
714 { US"pid", LX_pid },
715 { US"queue_run", L_queue_run },
716 { US"queue_time", LX_queue_time },
717 { US"queue_time_overall", LX_queue_time_overall },
718 { US"received_recipients", LX_received_recipients },
719 { US"received_sender", LX_received_sender },
720 { US"rejected_header", LX_rejected_header },
721 { US"rejected_headers", LX_rejected_header },
722 { US"retry_defer", L_retry_defer },
723 { US"return_path_on_delivery", LX_return_path_on_delivery },
724 { US"sender_on_delivery", LX_sender_on_delivery },
725 { US"sender_verify_fail", LX_sender_verify_fail },
726 { US"size_reject", L_size_reject },
727 { US"skip_delivery", L_skip_delivery },
728 { US"smtp_confirmation", LX_smtp_confirmation },
729 { US"smtp_connection", L_smtp_connection },
730 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
731 { US"smtp_no_mail", LX_smtp_no_mail },
732 { US"smtp_protocol_error", L_smtp_protocol_error },
733 { US"smtp_syntax_error", L_smtp_syntax_error },
734 { US"subject", LX_subject },
735 { US"tls_certificate_verified", LX_tls_certificate_verified },
736 { US"tls_cipher", LX_tls_cipher },
737 { US"tls_peerdn", LX_tls_peerdn },
738 { US"unknown_in_list", LX_unknown_in_list }
739};
740
741int log_options_count = sizeof(log_options)/sizeof(bit_table);
742int log_reject_target = 0;
743uschar *log_selector_string = NULL;
744FILE *log_stderr = NULL;
745BOOL log_testing_mode = FALSE;
746BOOL log_timezone = FALSE;
747unsigned int log_write_selector= L_default;
748uschar *login_sender_address = NULL;
749int lookup_open_max = 25;
750uschar *lookup_value = NULL;
751
752macro_item *macros = NULL;
753uschar *mailstore_basename = NULL;
754#ifdef WITH_CONTENT_SCAN
755uschar *malware_name = NULL; /* Virus Name */
756#endif
757int max_received_linelength= 0;
758int max_username_length = 0;
759int message_age = 0;
760uschar *message_body = NULL;
761uschar *message_body_end = NULL;
762BOOL message_body_newlines = FALSE;
763int message_body_size = 0;
764int message_body_visible = 500;
765int message_ended = END_NOTSTARTED;
766uschar *message_headers = NULL;
767uschar *message_id;
768uschar *message_id_domain = NULL;
769uschar *message_id_text = NULL;
770struct timeval message_id_tv = { 0, 0 };
771uschar message_id_option[MESSAGE_ID_LENGTH + 3];
772uschar *message_id_external;
773int message_linecount = 0;
774BOOL message_logs = TRUE;
775int message_size = 0;
776uschar *message_size_limit = US"50M";
777uschar message_subdir[2] = { 0, 0 };
778uschar *message_reference = NULL;
779
780/* MIME ACL expandables */
781#ifdef WITH_CONTENT_SCAN
782int mime_anomaly_level = 0;
783uschar *mime_anomaly_text = NULL;
784uschar *mime_boundary = NULL;
785uschar *mime_charset = NULL;
786uschar *mime_content_description = NULL;
787uschar *mime_content_disposition = NULL;
788uschar *mime_content_id = NULL;
789unsigned int mime_content_size = 0;
790uschar *mime_content_transfer_encoding = NULL;
791uschar *mime_content_type = NULL;
792uschar *mime_decoded_filename = NULL;
793uschar *mime_filename = NULL;
794int mime_is_multipart = 0;
795int mime_is_coverletter = 0;
796int mime_is_rfc822 = 0;
797int mime_part_count = -1;
798#endif
799
800BOOL mua_wrapper = FALSE;
801
802uid_t *never_users = NULL;
803#ifdef WITH_CONTENT_SCAN
804BOOL no_mbox_unspool = FALSE;
805#endif
806BOOL no_multiline_responses = FALSE;
807
808uid_t original_euid;
809gid_t originator_gid;
810uschar *originator_login = NULL;
811uschar *originator_name = NULL;
812uid_t originator_uid;
813uschar *override_local_interfaces = NULL;
814uschar *override_pid_file_path = NULL;
815
816BOOL parse_allow_group = FALSE;
817BOOL parse_found_group = FALSE;
818uschar *percent_hack_domains = NULL;
819uschar *pid_file_path = US PID_FILE_PATH
820 "\0<--------------Space to patch pid_file_path->";
821BOOL pipelining_enable = TRUE;
822uschar *pipelining_advertise_hosts = US"*";
823BOOL preserve_message_logs = FALSE;
824uschar *primary_hostname = NULL;
825BOOL print_topbitchars = FALSE;
826uschar process_info[PROCESS_INFO_SIZE];
827uschar *process_log_path = NULL;
828BOOL prod_requires_admin = TRUE;
829uschar *prvscheck_address = NULL;
830uschar *prvscheck_keynum = NULL;
831uschar *prvscheck_result = NULL;
832
833
834uschar *qualify_domain_recipient = NULL;
835uschar *qualify_domain_sender = NULL;
836BOOL queue_2stage = FALSE;
837uschar *queue_domains = NULL;
838int queue_interval = -1;
839BOOL queue_list_requires_admin = TRUE;
840BOOL queue_only = FALSE;
841uschar *queue_only_file = NULL;
842int queue_only_load = -1;
843BOOL queue_only_load_latch = TRUE;
844BOOL queue_only_override = TRUE;
845BOOL queue_only_policy = FALSE;
846BOOL queue_run_first_delivery = FALSE;
847BOOL queue_run_force = FALSE;
848BOOL queue_run_in_order = FALSE;
849BOOL queue_run_local = FALSE;
850int queue_run_max = 5;
851pid_t queue_run_pid = (pid_t)0;
852int queue_run_pipe = -1;
853BOOL queue_running = FALSE;
854BOOL queue_smtp = FALSE;
855uschar *queue_smtp_domains = NULL;
856
857unsigned int random_seed = 0;
858tree_node *ratelimiters_cmd = NULL;
859tree_node *ratelimiters_conn = NULL;
860tree_node *ratelimiters_mail = NULL;
861uschar *raw_active_hostname = NULL;
862uschar *raw_sender = NULL;
863uschar **raw_recipients = NULL;
864int raw_recipients_count = 0;
865
866int rcpt_count = 0;
867int rcpt_fail_count = 0;
868int rcpt_defer_count = 0;
869gid_t real_gid;
870uid_t real_uid;
871BOOL really_exim = TRUE;
872BOOL receive_call_bombout = FALSE;
873int receive_linecount = 0;
874int receive_messagecount = 0;
875int receive_timeout = 0;
876int received_count = 0;
877uschar *received_for = NULL;
878
879/* This is the default text for Received headers generated by Exim. The
880date will be automatically added on the end. */
881
882uschar *received_header_text = US
883 "Received: "
884 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
885 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
886 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
887 "by $primary_hostname "
888 "${if def:received_protocol {with $received_protocol}} "
889 #ifdef SUPPORT_TLS
890 "${if def:tls_cipher {($tls_cipher)\n\t}}"
891 #endif
892 "(Exim $version_number)\n\t"
893 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
894 "id $message_exim_id"
895 "${if def:received_for {\n\tfor $received_for}}"
896 "\0<---------------Space to patch received_header_text->";
897
898int received_headers_max = 30;
899uschar *received_protocol = NULL;
900int received_time = 0;
901uschar *recipient_data = NULL;
902uschar *recipient_unqualified_hosts = NULL;
903uschar *recipient_verify_failure = NULL;
904int recipients_count = 0;
905BOOL recipients_discarded = FALSE;
906recipient_item *recipients_list = NULL;
907int recipients_list_max = 0;
908int recipients_max = 0;
909BOOL recipients_max_reject = FALSE;
910const pcre *regex_AUTH = NULL;
911const pcre *regex_check_dns_names = NULL;
912const pcre *regex_From = NULL;
913const pcre *regex_IGNOREQUOTA = NULL;
914const pcre *regex_PIPELINING = NULL;
915const pcre *regex_SIZE = NULL;
916const pcre *regex_smtp_code = NULL;
917const pcre *regex_ismsgid = NULL;
918#ifdef WHITELIST_D_MACROS
919const pcre *regex_whitelisted_macro = NULL;
920#endif
921#ifdef WITH_CONTENT_SCAN
922uschar *regex_match_string = NULL;
923#endif
924int remote_delivery_count = 0;
925int remote_max_parallel = 2;
926uschar *remote_sort_domains = NULL;
927int retry_data_expire = 7*24*60*60;
928int retry_interval_max = 24*60*60;
929int retry_maximum_timeout = 0; /* set from retry config */
930retry_config *retries = NULL;
931uschar *return_path = NULL;
932BOOL return_path_remove = TRUE;
933int rewrite_existflags = 0;
934uschar *rfc1413_hosts = US"*";
935int rfc1413_query_timeout = 5;
936/* BOOL rfc821_domains = FALSE; <<< on the way out */
937uid_t root_gid = ROOT_GID;
938uid_t root_uid = ROOT_UID;
939
940router_instance *routers = NULL;
941router_instance router_defaults = {
942 NULL, /* chain pointer */
943 NULL, /* name */
944 NULL, /* info */
945 NULL, /* private options block pointer */
946 NULL, /* driver name */
947
948 NULL, /* address_data */
949#ifdef EXPERIMENTAL_BRIGHTMAIL
950 NULL, /* bmi_rule */
951#endif
952 NULL, /* cannot_route_message */
953 NULL, /* condition */
954 NULL, /* current_directory */
955 NULL, /* debug_string */
956 NULL, /* domains */
957 NULL, /* errors_to */
958 NULL, /* expand_gid */
959 NULL, /* expand_uid */
960 NULL, /* expand_more */
961 NULL, /* expand_unseen */
962 NULL, /* extra_headers */
963 NULL, /* fallback_hosts */
964 NULL, /* home_directory */
965 NULL, /* ignore_target_hosts */
966 NULL, /* local_parts */
967 NULL, /* pass_router_name */
968 NULL, /* prefix */
969 NULL, /* redirect_router_name */
970 NULL, /* remove_headers */
971 NULL, /* require_files */
972 NULL, /* router_home_directory */
973 US"freeze", /* self */
974 NULL, /* senders */
975 NULL, /* suffix */
976 NULL, /* translate_ip_address */
977 NULL, /* transport_name */
978
979 TRUE, /* address_test */
980#ifdef EXPERIMENTAL_BRIGHTMAIL
981 FALSE, /* bmi_deliver_alternate */
982 FALSE, /* bmi_deliver_default */
983 FALSE, /* bmi_dont_deliver */
984#endif
985 TRUE, /* expn */
986 FALSE, /* caseful_local_part */
987 FALSE, /* check_local_user */
988 FALSE, /* disable_logging */
989 FALSE, /* fail_verify_recipient */
990 FALSE, /* fail_verify_sender */
991 FALSE, /* gid_set */
992 FALSE, /* initgroups */
993 TRUE_UNSET, /* log_as_local */
994 TRUE, /* more */
995 FALSE, /* pass_on_timeout */
996 FALSE, /* prefix_optional */
997 TRUE, /* repeat_use */
998 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
999 FALSE, /* same_domain_copy_routing */
1000 FALSE, /* self_rewrite */
1001 FALSE, /* suffix_optional */
1002 FALSE, /* verify_only */
1003 TRUE, /* verify_recipient */
1004 TRUE, /* verify_sender */
1005 FALSE, /* uid_set */
1006 FALSE, /* unseen */
1007
1008 self_freeze, /* self_code */
1009 (uid_t)(-1), /* uid */
1010 (gid_t)(-1), /* gid */
1011
1012 NULL, /* fallback_hostlist */
1013 NULL, /* transport instance */
1014 NULL, /* pass_router */
1015 NULL /* redirect_router */
1016};
1017
1018ip_address_item *running_interfaces = NULL;
1019BOOL running_in_test_harness = FALSE;
1020
1021/* This is a weird one. The following string gets patched in the binary by the
1022script that sets up a copy of Exim for running in the test harness. It seems
1023that compilers are now clever, and share constant strings if they can.
1024Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1025make use of the end of this string in order to save space. So the patching then
1026wrecks this. We defeat this optimization by adding some additional characters
1027onto the end of the string. */
1028
1029uschar *running_status = US">>>running<<<" "\0EXTRA";
1030
1031int runrc = 0;
1032
1033uschar *search_error_message = NULL;
1034BOOL search_find_defer = FALSE;
1035uschar *self_hostname = NULL;
1036uschar *sender_address = NULL;
1037unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1038uschar *sender_address_data = NULL;
1039BOOL sender_address_forced = FALSE;
1040uschar *sender_address_unrewritten = NULL;
1041uschar *sender_data = NULL;
1042unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1043uschar *sender_fullhost = NULL;
1044uschar *sender_helo_name = NULL;
1045uschar **sender_host_aliases = &no_aliases;
1046uschar *sender_host_address = NULL;
1047uschar *sender_host_authenticated = NULL;
1048unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1049uschar *sender_host_name = NULL;
1050int sender_host_port = 0;
1051BOOL sender_host_notsocket = FALSE;
1052BOOL sender_host_unknown = FALSE;
1053uschar *sender_ident = NULL;
1054BOOL sender_local = FALSE;
1055BOOL sender_name_forced = FALSE;
1056uschar *sender_rate = NULL;
1057uschar *sender_rate_limit = NULL;
1058uschar *sender_rate_period = NULL;
1059uschar *sender_rcvhost = NULL;
1060BOOL sender_set_untrusted = FALSE;
1061uschar *sender_unqualified_hosts = NULL;
1062uschar *sender_verify_failure = NULL;
1063address_item *sender_verified_list = NULL;
1064address_item *sender_verified_failed = NULL;
1065int sender_verified_rc = -1;
1066BOOL sender_verified_responded = FALSE;
1067uschar *sending_ip_address = NULL;
1068int sending_port = -1;
1069volatile BOOL sigalrm_seen = FALSE;
1070uschar **sighup_argv = NULL;
1071int smtp_accept_count = 0;
1072BOOL smtp_accept_keepalive = TRUE;
1073int smtp_accept_max = 20;
1074int smtp_accept_max_nonmail= 10;
1075uschar *smtp_accept_max_nonmail_hosts = US"*";
1076int smtp_accept_max_per_connection = 1000;
1077uschar *smtp_accept_max_per_host = NULL;
1078int smtp_accept_queue = 0;
1079int smtp_accept_queue_per_connection = 10;
1080int smtp_accept_reserve = 0;
1081uschar *smtp_active_hostname = NULL;
1082BOOL smtp_authenticated = FALSE;
1083uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1084 "Exim $version_number $tod_full"
1085 "\0<---------------Space to patch smtp_banner->";
1086BOOL smtp_batched_input = FALSE;
1087BOOL smtp_check_spool_space = TRUE;
1088int smtp_ch_index = 0;
1089uschar *smtp_cmd_argument = NULL;
1090uschar *smtp_cmd_buffer = NULL;
1091time_t smtp_connection_start = 0;
1092uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1093int smtp_connect_backlog = 20;
1094double smtp_delay_mail = 0.0;
1095double smtp_delay_rcpt = 0.0;
1096BOOL smtp_enforce_sync = TRUE;
1097FILE *smtp_in = NULL;
1098BOOL smtp_input = FALSE;
1099int smtp_load_reserve = -1;
1100int smtp_mailcmd_count = 0;
1101FILE *smtp_out = NULL;
1102uschar *smtp_etrn_command = NULL;
1103BOOL smtp_etrn_serialize = TRUE;
1104int smtp_max_synprot_errors= 3;
1105int smtp_max_unknown_commands = 3;
1106uschar *smtp_notquit_reason = NULL;
1107uschar *smtp_ratelimit_hosts = NULL;
1108uschar *smtp_ratelimit_mail = NULL;
1109uschar *smtp_ratelimit_rcpt = NULL;
1110uschar *smtp_read_error = US"";
1111int smtp_receive_timeout = 5*60;
1112uschar *smtp_reserve_hosts = NULL;
1113BOOL smtp_return_error_details = FALSE;
1114int smtp_rlm_base = 0;
1115double smtp_rlm_factor = 0.0;
1116int smtp_rlm_limit = 0;
1117int smtp_rlm_threshold = INT_MAX;
1118int smtp_rlr_base = 0;
1119double smtp_rlr_factor = 0.0;
1120int smtp_rlr_limit = 0;
1121int smtp_rlr_threshold = INT_MAX;
1122BOOL smtp_use_pipelining = FALSE;
1123BOOL smtp_use_size = FALSE;
1124
1125#ifdef WITH_CONTENT_SCAN
1126uschar *spamd_address = US"127.0.0.1 783";
1127uschar *spam_bar = NULL;
1128uschar *spam_report = NULL;
1129uschar *spam_score = NULL;
1130uschar *spam_score_int = NULL;
1131#endif
1132#ifdef EXPERIMENTAL_SPF
1133uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1134uschar *spf_header_comment = NULL;
1135uschar *spf_received = NULL;
1136uschar *spf_result = NULL;
1137uschar *spf_smtp_comment = NULL;
1138#endif
1139
1140BOOL split_spool_directory = FALSE;
1141uschar *spool_directory = US SPOOL_DIRECTORY
1142 "\0<--------------Space to patch spool_directory->";
1143#ifdef EXPERIMENTAL_SRS
1144uschar *srs_config = NULL;
1145uschar *srs_db_address = NULL;
1146uschar *srs_db_key = NULL;
1147int srs_hashlength = 6;
1148int srs_hashmin = -1;
1149int srs_maxage = 31;
1150uschar *srs_orig_recipient = NULL;
1151uschar *srs_orig_sender = NULL;
1152uschar *srs_recipient = NULL;
1153uschar *srs_secrets = NULL;
1154uschar *srs_status = NULL;
1155BOOL srs_usehash = TRUE;
1156BOOL srs_usetimestamp = TRUE;
1157#endif
1158BOOL strict_acl_vars = FALSE;
1159int string_datestamp_offset= -1;
1160BOOL strip_excess_angle_brackets = FALSE;
1161BOOL strip_trailing_dot = FALSE;
1162uschar *submission_domain = NULL;
1163BOOL submission_mode = FALSE;
1164uschar *submission_name = NULL;
1165BOOL suppress_local_fixups = FALSE;
1166BOOL synchronous_delivery = FALSE;
1167BOOL syslog_duplication = TRUE;
1168int syslog_facility = LOG_MAIL;
1169uschar *syslog_processname = US"exim";
1170BOOL syslog_timestamp = TRUE;
1171uschar *system_filter = NULL;
1172
1173uschar *system_filter_directory_transport = NULL;
1174uschar *system_filter_file_transport = NULL;
1175uschar *system_filter_pipe_transport = NULL;
1176uschar *system_filter_reply_transport = NULL;
1177
1178gid_t system_filter_gid = 0;
1179BOOL system_filter_gid_set = FALSE;
1180uid_t system_filter_uid = (uid_t)-1;
1181BOOL system_filter_uid_set = FALSE;
1182BOOL system_filtering = FALSE;
1183
1184BOOL tcp_nodelay = TRUE;
1185#ifdef USE_TCP_WRAPPERS
1186uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1187#endif
1188int test_harness_load_avg = 0;
1189int thismessage_size_limit = 0;
1190int timeout_frozen_after = 0;
1191BOOL timestamps_utc = FALSE;
1192
1193transport_instance *transports = NULL;
1194
1195transport_instance transport_defaults = {
1196 NULL, /* chain pointer */
1197 NULL, /* name */
1198 NULL, /* info */
1199 NULL, /* private options block pointer */
1200 NULL, /* driver name */
1201 NULL, /* setup entry point */
1202 1, /* batch_max */
1203 NULL, /* batch_id */
1204 NULL, /* home_dir */
1205 NULL, /* current_dir */
1206 TRUE, /* multi-domain */
1207 FALSE, /* overrides_hosts */
1208 100, /* max_addresses */
1209 500, /* connection_max_messages */
1210 FALSE, /* deliver_as_creator */
1211 FALSE, /* disable_logging */
1212 FALSE, /* initgroups */
1213 FALSE, /* uid_set */
1214 FALSE, /* gid_set */
1215 (uid_t)(-1), /* uid */
1216 (gid_t)(-1), /* gid */
1217 NULL, /* expand_uid */
1218 NULL, /* expand_gid */
1219 NULL, /* warn_message */
1220 NULL, /* shadow */
1221 NULL, /* shadow_condition */
1222 NULL, /* filter_command */
1223 NULL, /* add_headers */
1224 NULL, /* remove_headers */
1225 NULL, /* return_path */
1226 NULL, /* debug_string */
1227 NULL, /* message_size_limit */
1228 NULL, /* headers_rewrite */
1229 NULL, /* rewrite_rules */
1230 0, /* rewrite_existflags */
1231 300, /* filter_timeout */
1232 FALSE, /* body_only */
1233 FALSE, /* delivery_date_add */
1234 FALSE, /* envelope_to_add */
1235 FALSE, /* headers_only */
1236 FALSE, /* rcpt_include_affixes */
1237 FALSE, /* return_path_add */
1238 FALSE, /* return_output */
1239 FALSE, /* return_fail_output */
1240 FALSE, /* log_output */
1241 FALSE, /* log_fail_output */
1242 FALSE, /* log_defer_output */
1243 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1244 1 nor 0 so can detect unset */
1245};
1246
1247int transport_count;
1248uschar **transport_filter_argv = NULL;
1249int transport_filter_timeout;
1250BOOL transport_filter_timed_out = FALSE;
1251int transport_write_timeout= 0;
1252
1253tree_node *tree_dns_fails = NULL;
1254tree_node *tree_duplicates = NULL;
1255tree_node *tree_nonrecipients = NULL;
1256tree_node *tree_unusable = NULL;
1257
1258BOOL trusted_caller = FALSE;
1259BOOL trusted_config = TRUE;
1260gid_t *trusted_groups = NULL;
1261uid_t *trusted_users = NULL;
1262uschar *timezone_string = US TIMEZONE_DEFAULT;
1263
1264uschar *unknown_login = NULL;
1265uschar *unknown_username = NULL;
1266uschar *untrusted_set_sender = NULL;
1267
1268/* A regex for matching a "From_" line in an incoming message, in the form
1269
1270 From ph10 Fri Jan 5 12:35 GMT 1996
1271
1272which the "mail" commands send to the MTA (undocumented, of course), or in
1273the form
1274
1275 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1276
1277which is apparently used by some UUCPs, despite it not being in RFC 976.
1278Because of variations in time formats, just match up to the minutes. That
1279should be sufficient. Examples have been seen of time fields like 12:1:03,
1280so just require one digit for hours and minutes. The weekday is also absent
1281in some forms. */
1282
1283uschar *uucp_from_pattern = US
1284 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1285 "(?:" /* Non-extracting bracket */
1286 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1287 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1288 ")" /* End alternation */
1289 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1290
1291uschar *uucp_from_sender = US"$1";
1292
1293uschar *warn_message_file = NULL;
1294uschar *warnmsg_delay = NULL;
1295uschar *warnmsg_recipients = NULL;
1296BOOL write_rejectlog = TRUE;
1297
1298uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1299uschar *version_date = US"?";
1300uschar *version_cnumber = US"????";
1301uschar *version_string = US"?";
1302
1303int warning_count = 0;
1304
1305/* End of globals.c */
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