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[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.69 2007/02/06 10:00:24 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
11 that 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
17 executable code. It says
18
19 Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
21 problems.
22
23 As this may cause people to worry needlessly, include a dummy function here
24 to stop the message from appearing. Make it reference itself to stop picky
25 compilers complaining that it is unused, and put in a dummy argument to stop
26 even pickier compilers complaining about infinite loops. */
27
28 static void dummy(int x) { dummy(x-1); }
29
30
31 /* Generic options for auths, all of which live inside auth_instance
32 data blocks and hence have the opt_public flag set. */
33
34 optionlist 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
51 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
52
53 /* An empty host aliases list. */
54
55 uschar *no_aliases = NULL;
56
57
58 /* For comments on these variables, see globals.h. I'm too idle to
59 duplicate them here... */
60
61 #ifdef EXIM_PERL
62 uschar *opt_perl_startup = NULL;
63 BOOL opt_perl_at_start = FALSE;
64 BOOL opt_perl_started = FALSE;
65 #endif
66
67 #ifdef EXPAND_DLFUNC
68 tree_node *dlobj_anchor = NULL;
69 #endif
70
71 #ifdef LOOKUP_IBASE
72 uschar *ibase_servers = NULL;
73 #endif
74
75 #ifdef LOOKUP_LDAP
76 uschar *eldap_default_servers = NULL;
77 int eldap_version = -1;
78 #endif
79
80 #ifdef LOOKUP_MYSQL
81 uschar *mysql_servers = NULL;
82 #endif
83
84 #ifdef LOOKUP_ORACLE
85 uschar *oracle_servers = NULL;
86 #endif
87
88 #ifdef LOOKUP_PGSQL
89 uschar *pgsql_servers = NULL;
90 #endif
91
92 #ifdef LOOKUP_SQLITE
93 int sqlite_lock_timeout = 5;
94 #endif
95
96 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
97 BOOL move_frozen_messages = FALSE;
98 #endif
99
100 /* These variables are outside the #ifdef because it keeps the code less
101 cluttered in several places (e.g. during logging) if we can always refer to
102 them. Also, the tls_ variables are now always visible. */
103
104 BOOL tls_active = -1;
105 BOOL tls_certificate_verified = FALSE;
106 uschar *tls_cipher = NULL;
107 BOOL tls_on_connect = FALSE;
108 uschar *tls_on_connect_ports = NULL;
109 uschar *tls_peerdn = NULL;
110
111 #ifdef SUPPORT_TLS
112 uschar *gnutls_require_mac = NULL;
113 uschar *gnutls_require_kx = NULL;
114 uschar *gnutls_require_proto = NULL;
115 const pcre *regex_STARTTLS = NULL;
116 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
117 uschar *tls_certificate = NULL;
118 uschar *tls_crl = NULL;
119 uschar *tls_dhparam = NULL;
120 BOOL tls_offered = FALSE;
121 uschar *tls_privatekey = NULL;
122 BOOL tls_remember_esmtp = FALSE;
123 uschar *tls_require_ciphers = NULL;
124 uschar *tls_try_verify_hosts = NULL;
125 uschar *tls_verify_certificates= NULL;
126 uschar *tls_verify_hosts = NULL;
127 #endif
128
129
130 /* Input-reading functions for messages, so we can use special ones for
131 incoming TCP/IP. The defaults use stdin. We never need these for any
132 stand-alone tests. */
133
134 #ifndef STAND_ALONE
135 int (*receive_getc)(void) = stdin_getc;
136 int (*receive_ungetc)(int) = stdin_ungetc;
137 int (*receive_feof)(void) = stdin_feof;
138 int (*receive_ferror)(void) = stdin_ferror;
139 #endif
140
141
142 /* List of per-address expansion variables for clearing and saving/restoring
143 when verifying one address while routing/verifying another. We have to have
144 the size explicit, because it is referenced from more than one module. */
145
146 uschar **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
166 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
167
168 /* General global variables */
169
170 header_line *acl_added_headers = NULL;
171 tree_node *acl_anchor = NULL;
172 uschar *acl_not_smtp = NULL;
173 #ifdef WITH_CONTENT_SCAN
174 uschar *acl_not_smtp_mime = NULL;
175 #endif
176 uschar *acl_not_smtp_start = NULL;
177 uschar *acl_smtp_auth = NULL;
178 uschar *acl_smtp_connect = NULL;
179 uschar *acl_smtp_data = NULL;
180 uschar *acl_smtp_etrn = NULL;
181 uschar *acl_smtp_expn = NULL;
182 uschar *acl_smtp_helo = NULL;
183 uschar *acl_smtp_mail = NULL;
184 uschar *acl_smtp_mailauth = NULL;
185 #ifdef WITH_CONTENT_SCAN
186 uschar *acl_smtp_mime = NULL;
187 #endif
188 uschar *acl_smtp_predata = NULL;
189 uschar *acl_smtp_quit = NULL;
190 uschar *acl_smtp_rcpt = NULL;
191 uschar *acl_smtp_starttls = NULL;
192 uschar *acl_smtp_vrfy = NULL;
193 BOOL acl_temp_details = FALSE;
194 tree_node *acl_var_c = NULL;
195 tree_node *acl_var_m = NULL;
196 uschar *acl_verify_message = NULL;
197 string_item *acl_warn_logged = NULL;
198
199 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
200 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
201
202 uschar *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
220 uschar *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
238 BOOL active_local_from_check = FALSE;
239 BOOL active_local_sender_retain = FALSE;
240 BOOL accept_8bitmime = FALSE;
241 address_item *addr_duplicate = NULL;
242
243 address_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
304 uschar *address_file = NULL;
305 uschar *address_pipe = NULL;
306 BOOL address_test_mode = FALSE;
307 tree_node *addresslist_anchor = NULL;
308 int addresslist_count = 0;
309 gid_t *admin_groups = NULL;
310 BOOL admin_user = FALSE;
311 BOOL allow_auth_unadvertised= FALSE;
312 BOOL allow_domain_literals = FALSE;
313 BOOL allow_mx_to_ip = FALSE;
314 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
315 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
316 BOOL allow_utf8_domains = FALSE;
317 uschar *authenticated_id = NULL;
318 uschar *authenticated_sender = NULL;
319 BOOL authentication_failed = FALSE;
320 auth_instance *auths = NULL;
321 uschar *auth_advertise_hosts = US"*";
322 auth_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
339 uschar *auth_defer_msg = US"reason not recorded";
340 uschar *auth_defer_user_msg = US"";
341 uschar *auth_vars[AUTH_VARS];
342 int auto_thaw = 0;
343 #ifdef WITH_CONTENT_SCAN
344 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
345 #endif
346
347 BOOL background_daemon = TRUE;
348
349 #if BASE_62 == 62
350 uschar *base62_chars=
351 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
352 #else
353 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
354 #endif
355
356 uschar *bi_command = NULL;
357 uschar *big_buffer = NULL;
358 int big_buffer_size = BIG_BUFFER_SIZE;
359 #ifdef EXPERIMENTAL_BRIGHTMAIL
360 uschar *bmi_alt_location = NULL;
361 uschar *bmi_base64_tracker_verdict = NULL;
362 uschar *bmi_base64_verdict = NULL;
363 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
364 int bmi_deliver = 1;
365 int bmi_run = 0;
366 uschar *bmi_verdicts = NULL;
367 #endif
368 int body_linecount = 0;
369 int body_zerocount = 0;
370 uschar *bounce_message_file = NULL;
371 uschar *bounce_message_text = NULL;
372 uschar *bounce_recipient = NULL;
373 BOOL bounce_return_body = TRUE;
374 BOOL bounce_return_message = TRUE;
375 int bounce_return_size_limit = 100*1024;
376 uschar *bounce_sender_authentication = NULL;
377 int bsmtp_transaction_linecount = 0;
378
379 int callout_cache_domain_positive_expire = 7*24*60*60;
380 int callout_cache_domain_negative_expire = 3*60*60;
381 int callout_cache_positive_expire = 24*60*60;
382 int callout_cache_negative_expire = 2*60*60;
383 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
384 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
385 int check_log_inodes = 0;
386 int check_log_space = 0;
387 BOOL check_rfc2047_length = TRUE;
388 int check_spool_inodes = 0;
389 int check_spool_space = 0;
390 int clmacro_count = 0;
391 uschar *clmacros[MAX_CLMACROS];
392 BOOL config_changed = FALSE;
393 FILE *config_file = NULL;
394 uschar *config_filename = NULL;
395 int config_lineno = 0;
396 #ifdef CONFIGURE_GROUP
397 gid_t config_gid = CONFIGURE_GROUP;
398 #endif
399 uschar *config_main_filelist = US CONFIGURE_FILE
400 "\0<-----------Space to patch configure_filename->";
401 uschar *config_main_filename = NULL;
402
403 #ifdef CONFIGURE_OWNER
404 uid_t config_uid = CONFIGURE_OWNER;
405 #endif
406
407 int connection_max_messages= -1;
408 uschar *continue_hostname = NULL;
409 uschar *continue_host_address = NULL;
410 BOOL continue_more = FALSE;
411 int continue_sequence = 1;
412 uschar *continue_transport = NULL;
413
414 uschar *csa_status = NULL;
415
416 BOOL daemon_listen = FALSE;
417 uschar *daemon_smtp_port = US"smtp";
418 int daemon_startup_retries = 9;
419 int daemon_startup_sleep = 30;
420 BOOL debug_daemon = FALSE;
421 int debug_fd = -1;
422 FILE *debug_file = NULL;
423 bit_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 };
456 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
457 unsigned int debug_selector = 0;
458 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
459 uschar *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}}";
465 BOOL delivery_date_remove = TRUE;
466 uschar *deliver_address_data = NULL;
467 int deliver_datafile = -1;
468 uschar *deliver_domain = NULL;
469 uschar *deliver_domain_data = NULL;
470 uschar *deliver_domain_orig = NULL;
471 uschar *deliver_domain_parent = NULL;
472 BOOL deliver_drop_privilege = FALSE;
473 BOOL deliver_firsttime = FALSE;
474 BOOL deliver_force = FALSE;
475 BOOL deliver_freeze = FALSE;
476 int deliver_frozen_at = 0;
477 uschar *deliver_home = NULL;
478 uschar *deliver_host = NULL;
479 uschar *deliver_host_address = NULL;
480 uschar *deliver_in_buffer = NULL;
481 ino_t deliver_inode = 0;
482 uschar *deliver_localpart = NULL;
483 uschar *deliver_localpart_data = NULL;
484 uschar *deliver_localpart_orig = NULL;
485 uschar *deliver_localpart_parent = NULL;
486 uschar *deliver_localpart_prefix = NULL;
487 uschar *deliver_localpart_suffix = NULL;
488 BOOL deliver_force_thaw = FALSE;
489 BOOL deliver_manual_thaw = FALSE;
490 uschar *deliver_out_buffer = NULL;
491 int deliver_queue_load_max = -1;
492 address_item *deliver_recipients = NULL;
493 uschar *deliver_selectstring = NULL;
494 BOOL deliver_selectstring_regex = FALSE;
495 uschar *deliver_selectstring_sender = NULL;
496 BOOL deliver_selectstring_sender_regex = FALSE;
497 #ifdef WITH_OLD_DEMIME
498 int demime_errorlevel = 0;
499 int demime_ok = 0;
500 uschar *demime_reason = NULL;
501 #endif
502 BOOL disable_delay_flush = FALSE;
503 #ifdef ENABLE_DISABLE_FSYNC
504 BOOL disable_fsync = FALSE;
505 #endif
506 BOOL disable_ipv6 = FALSE;
507 BOOL disable_logging = FALSE;
508
509 #ifdef EXPERIMENTAL_DOMAINKEYS
510 uschar *dk_signing_domain = NULL;
511 uschar *dk_signing_selector = NULL;
512 int dk_do_verify = 0;
513 #endif
514
515 uschar *dns_again_means_nonexist = NULL;
516 int dns_csa_search_limit = 5;
517 BOOL dns_csa_use_reverse = TRUE;
518 uschar *dns_ipv4_lookup = NULL;
519 int dns_retrans = 0;
520 int dns_retry = 0;
521 uschar *dnslist_domain = NULL;
522 uschar *dnslist_text = NULL;
523 uschar *dnslist_value = NULL;
524 tree_node *domainlist_anchor = NULL;
525 int domainlist_count = 0;
526 BOOL dont_deliver = FALSE;
527 BOOL dot_ends = TRUE;
528 BOOL drop_cr = FALSE; /* No longer used */
529
530 BOOL enable_dollar_recipients = FALSE;
531 BOOL envelope_to_remove = TRUE;
532 int errno_quota = ERRNO_QUOTA;
533 uschar *errors_copy = NULL;
534 int error_handling = ERRORS_SENDER;
535 uschar *errors_reply_to = NULL;
536 int errors_sender_rc = EXIT_FAILURE;
537
538 gid_t exim_gid = EXIM_GID;
539 BOOL exim_gid_set = TRUE; /* This gid is always set */
540 uschar *exim_path = US BIN_DIRECTORY "/exim"
541 "\0<---------------Space to patch exim_path->";
542 uid_t exim_uid = EXIM_UID;
543 BOOL exim_uid_set = TRUE; /* This uid is always set */
544 int expand_forbid = 0;
545 int expand_nlength[EXPAND_MAXN+1];
546 int expand_nmax = -1;
547 uschar *expand_nstring[EXPAND_MAXN+1];
548 BOOL expand_string_forcedfail = FALSE;
549 uschar *expand_string_message;
550 BOOL extract_addresses_remove_arguments = TRUE;
551 uschar *extra_local_interfaces = NULL;
552
553 int fake_response = OK;
554 uschar *fake_response_text = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
555 int filter_n[FILTER_VARIABLE_COUNT];
556 BOOL filter_running = FALSE;
557 int filter_sn[FILTER_VARIABLE_COUNT];
558 int filter_test = FTEST_NONE;
559 uschar *filter_test_sfile = NULL;
560 uschar *filter_test_ufile = NULL;
561 uschar *filter_thisaddress = NULL;
562 int finduser_retries = 0;
563 #ifdef WITH_OLD_DEMIME
564 uschar *found_extension = NULL;
565 #endif
566 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
567 uschar *freeze_tell = NULL;
568 uschar *freeze_tell_config = NULL;
569 uschar *fudged_queue_times = US"";
570
571 uschar *gecos_name = NULL;
572 uschar *gecos_pattern = NULL;
573 rewrite_rule *global_rewrite_rules = NULL;
574
575 uschar *headers_charset = US HEADERS_CHARSET;
576 int header_insert_maxlen = 64 * 1024;
577 header_line *header_last = NULL;
578 header_line *header_list = NULL;
579 int header_maxsize = HEADER_MAXSIZE;
580 int header_line_maxsize = 0;
581
582 header_name header_names[] = {
583 { US"bcc", 3, TRUE, htype_bcc },
584 { US"cc", 2, TRUE, htype_cc },
585 { US"date", 4, TRUE, htype_date },
586 { US"delivery-date", 13, FALSE, htype_delivery_date },
587 { US"envelope-to", 11, FALSE, htype_envelope_to },
588 { US"from", 4, TRUE, htype_from },
589 { US"message-id", 10, TRUE, htype_id },
590 { US"received", 8, FALSE, htype_received },
591 { US"reply-to", 8, FALSE, htype_reply_to },
592 { US"return-path", 11, FALSE, htype_return_path },
593 { US"sender", 6, TRUE, htype_sender },
594 { US"subject", 7, FALSE, htype_subject },
595 { US"to", 2, TRUE, htype_to }
596 };
597
598 int header_names_size = sizeof(header_names)/sizeof(header_name);
599
600 BOOL header_rewritten = FALSE;
601 uschar *helo_accept_junk_hosts = NULL;
602 uschar *helo_allow_chars = US"";
603 uschar *helo_lookup_domains = US"@ : @[]";
604 uschar *helo_try_verify_hosts = NULL;
605 BOOL helo_verified = FALSE;
606 BOOL helo_verify_failed = FALSE;
607 uschar *helo_verify_hosts = NULL;
608 uschar *hex_digits = US"0123456789abcdef";
609 uschar *hold_domains = NULL;
610 BOOL host_checking = FALSE;
611 BOOL host_checking_callout = FALSE;
612 uschar *host_data = NULL;
613 BOOL host_find_failed_syntax= FALSE;
614 uschar *host_lookup = NULL;
615 BOOL host_lookup_deferred = FALSE;
616 BOOL host_lookup_failed = FALSE;
617 uschar *host_lookup_order = US"bydns:byaddr";
618 uschar *host_lookup_msg = US"";
619 int host_number = 0;
620 uschar *host_number_string = NULL;
621 uschar *host_reject_connection = NULL;
622 tree_node *hostlist_anchor = NULL;
623 int hostlist_count = 0;
624 uschar *hosts_treat_as_local = NULL;
625 uschar *hosts_connection_nolog = NULL;
626
627 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
628 BOOL ignore_fromline_local = FALSE;
629 uschar *ignore_fromline_hosts = NULL;
630 uschar *interface_address = NULL;
631 int interface_port = -1;
632 BOOL is_inetd = FALSE;
633 uschar *iterate_item = NULL;
634
635 int journal_fd = -1;
636
637 int keep_malformed = 4*24*60*60; /* 4 days */
638
639 uschar *eldap_dn = NULL;
640 int load_average = -2;
641 BOOL local_error_message = FALSE;
642 BOOL local_from_check = TRUE;
643 uschar *local_from_prefix = NULL;
644 uschar *local_from_suffix = NULL;
645
646 #if HAVE_IPV6
647 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
648 #else
649 uschar *local_interfaces = US"0.0.0.0";
650 #endif
651
652 uschar *local_scan_data = NULL;
653 int local_scan_timeout = 5*60;
654 BOOL local_sender_retain = FALSE;
655 gid_t local_user_gid = (gid_t)(-1);
656 uid_t local_user_uid = (uid_t)(-1);
657
658 tree_node *localpartlist_anchor= NULL;
659 int localpartlist_count = 0;
660 uschar *log_buffer = NULL;
661 unsigned int log_extra_selector = LX_default;
662 uschar *log_file_path = US LOG_FILE_PATH
663 "\0<--------------Space to patch log_file_path->";
664
665 /* Those log options with L_xxx identifiers have values less than 0x800000 and
666 are the ones that get put into log_write_selector. They can be used in calls to
667 log_write() to test for the bit. The options with LX_xxx identifiers have
668 values greater than 0x80000000 and are put int log_extra_selector (without the
669 top bit). They are never used in calls to log_write(), but are tested
670 independently. This separation became necessary when the number of log
671 selectors was getting close to filling a 32-bit word. */
672
673 /* Note that this list must be in alphabetical order. */
674
675 bit_table log_options[] = {
676 { US"acl_warn_skipped", LX_acl_warn_skipped },
677 { US"address_rewrite", L_address_rewrite },
678 { US"all", L_all },
679 { US"all_parents", L_all_parents },
680 { US"arguments", LX_arguments },
681 { US"connection_reject", L_connection_reject },
682 { US"delay_delivery", L_delay_delivery },
683 { US"deliver_time", LX_deliver_time },
684 { US"delivery_size", LX_delivery_size },
685 { US"dnslist_defer", L_dnslist_defer },
686 { US"etrn", L_etrn },
687 { US"host_lookup_failed", L_host_lookup_failed },
688 { US"ident_timeout", LX_ident_timeout },
689 { US"incoming_interface", LX_incoming_interface },
690 { US"incoming_port", LX_incoming_port },
691 { US"lost_incoming_connection", L_lost_incoming_connection },
692 { US"outgoing_port", LX_outgoing_port },
693 { US"pid", LX_pid },
694 { US"queue_run", L_queue_run },
695 { US"queue_time", LX_queue_time },
696 { US"queue_time_overall", LX_queue_time_overall },
697 { US"received_recipients", LX_received_recipients },
698 { US"received_sender", LX_received_sender },
699 { US"rejected_header", LX_rejected_header },
700 { US"rejected_headers", LX_rejected_header },
701 { US"retry_defer", L_retry_defer },
702 { US"return_path_on_delivery", LX_return_path_on_delivery },
703 { US"sender_on_delivery", LX_sender_on_delivery },
704 { US"sender_verify_fail", LX_sender_verify_fail },
705 { US"size_reject", L_size_reject },
706 { US"skip_delivery", L_skip_delivery },
707 { US"smtp_confirmation", LX_smtp_confirmation },
708 { US"smtp_connection", L_smtp_connection },
709 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
710 { US"smtp_no_mail", LX_smtp_no_mail },
711 { US"smtp_protocol_error", L_smtp_protocol_error },
712 { US"smtp_syntax_error", L_smtp_syntax_error },
713 { US"subject", LX_subject },
714 { US"tls_certificate_verified", LX_tls_certificate_verified },
715 { US"tls_cipher", LX_tls_cipher },
716 { US"tls_peerdn", LX_tls_peerdn },
717 { US"unknown_in_list", LX_unknown_in_list }
718 };
719
720 int log_options_count = sizeof(log_options)/sizeof(bit_table);
721 int log_reject_target = 0;
722 uschar *log_selector_string = NULL;
723 FILE *log_stderr = NULL;
724 BOOL log_testing_mode = FALSE;
725 BOOL log_timezone = FALSE;
726 unsigned int log_write_selector= L_default;
727 uschar *login_sender_address = NULL;
728 int lookup_open_max = 25;
729 uschar *lookup_value = NULL;
730
731 macro_item *macros = NULL;
732 uschar *mailstore_basename = NULL;
733 #ifdef WITH_CONTENT_SCAN
734 uschar *malware_name = NULL; /* Virus Name */
735 #endif
736 int max_username_length = 0;
737 int message_age = 0;
738 uschar *message_body = NULL;
739 uschar *message_body_end = NULL;
740 int message_body_size = 0;
741 int message_body_visible = 500;
742 int message_ended = END_NOTSTARTED;
743 uschar *message_headers = NULL;
744 uschar *message_id;
745 uschar *message_id_domain = NULL;
746 uschar *message_id_text = NULL;
747 struct timeval message_id_tv = { 0, 0 };
748 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
749 uschar *message_id_external;
750 int message_linecount = 0;
751 BOOL message_logs = TRUE;
752 int message_size = 0;
753 uschar *message_size_limit = US"50M";
754 uschar message_subdir[2] = { 0, 0 };
755 uschar *message_reference = NULL;
756
757 /* MIME ACL expandables */
758 #ifdef WITH_CONTENT_SCAN
759 int mime_anomaly_level = 0;
760 uschar *mime_anomaly_text = NULL;
761 uschar *mime_boundary = NULL;
762 uschar *mime_charset = NULL;
763 uschar *mime_content_description = NULL;
764 uschar *mime_content_disposition = NULL;
765 uschar *mime_content_id = NULL;
766 unsigned int mime_content_size = 0;
767 uschar *mime_content_transfer_encoding = NULL;
768 uschar *mime_content_type = NULL;
769 uschar *mime_decoded_filename = NULL;
770 uschar *mime_filename = NULL;
771 int mime_is_multipart = 0;
772 int mime_is_coverletter = 0;
773 int mime_is_rfc822 = 0;
774 int mime_part_count = -1;
775 #endif
776
777 BOOL mua_wrapper = FALSE;
778
779 uid_t *never_users = NULL;
780 #ifdef WITH_CONTENT_SCAN
781 BOOL no_mbox_unspool = FALSE;
782 #endif
783 BOOL no_multiline_responses = FALSE;
784
785 uid_t original_euid;
786 gid_t originator_gid;
787 uschar *originator_login = NULL;
788 uschar *originator_name = NULL;
789 uid_t originator_uid;
790 uschar *override_local_interfaces = NULL;
791 uschar *override_pid_file_path = NULL;
792
793 BOOL parse_allow_group = FALSE;
794 BOOL parse_found_group = FALSE;
795 uschar *percent_hack_domains = NULL;
796 uschar *pid_file_path = US PID_FILE_PATH
797 "\0<--------------Space to patch pid_file_path->";
798 BOOL pipelining_enable = TRUE;
799 uschar *pipelining_advertise_hosts = US"*";
800 BOOL preserve_message_logs = FALSE;
801 uschar *primary_hostname = NULL;
802 BOOL print_topbitchars = FALSE;
803 uschar process_info[PROCESS_INFO_SIZE];
804 uschar *process_log_path = NULL;
805 BOOL prod_requires_admin = TRUE;
806 uschar *prvscheck_address = NULL;
807 uschar *prvscheck_keynum = NULL;
808 uschar *prvscheck_result = NULL;
809
810
811 uschar *qualify_domain_recipient = NULL;
812 uschar *qualify_domain_sender = NULL;
813 BOOL queue_2stage = FALSE;
814 uschar *queue_domains = NULL;
815 int queue_interval = -1;
816 BOOL queue_list_requires_admin = TRUE;
817 BOOL queue_only = FALSE;
818 uschar *queue_only_file = NULL;
819 int queue_only_load = -1;
820 BOOL queue_only_override = TRUE;
821 BOOL queue_only_policy = FALSE;
822 BOOL queue_run_first_delivery = FALSE;
823 BOOL queue_run_force = FALSE;
824 BOOL queue_run_in_order = FALSE;
825 BOOL queue_run_local = FALSE;
826 int queue_run_max = 5;
827 pid_t queue_run_pid = (pid_t)0;
828 int queue_run_pipe = -1;
829 BOOL queue_running = FALSE;
830 BOOL queue_smtp = FALSE;
831 uschar *queue_smtp_domains = NULL;
832
833 unsigned int random_seed = 0;
834 tree_node *ratelimiters_cmd = NULL;
835 tree_node *ratelimiters_conn = NULL;
836 tree_node *ratelimiters_mail = NULL;
837 uschar *raw_active_hostname = NULL;
838 uschar *raw_sender = NULL;
839 uschar **raw_recipients = NULL;
840 int raw_recipients_count = 0;
841
842 int rcpt_count = 0;
843 int rcpt_fail_count = 0;
844 int rcpt_defer_count = 0;
845 gid_t real_gid;
846 uid_t real_uid;
847 BOOL really_exim = TRUE;
848 BOOL receive_call_bombout = FALSE;
849 int receive_linecount = 0;
850 int receive_messagecount = 0;
851 int receive_timeout = 0;
852 int received_count = 0;
853 uschar *received_for = NULL;
854
855 /* This is the default text for Received headers generated by Exim. The
856 date will be automatically added on the end. */
857
858 uschar *received_header_text = US
859 "Received: "
860 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
861 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
862 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
863 "by $primary_hostname "
864 "${if def:received_protocol {with $received_protocol}} "
865 #ifdef SUPPORT_TLS
866 "${if def:tls_cipher {($tls_cipher)\n\t}}"
867 #endif
868 "(Exim $version_number)\n\t"
869 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
870 "id $message_exim_id"
871 "${if def:received_for {\n\tfor $received_for}}"
872 "\0<---------------Space to patch received_header_text->";
873
874 int received_headers_max = 30;
875 uschar *received_protocol = NULL;
876 int received_time = 0;
877 uschar *recipient_data = NULL;
878 uschar *recipient_unqualified_hosts = NULL;
879 uschar *recipient_verify_failure = NULL;
880 int recipients_count = 0;
881 BOOL recipients_discarded = FALSE;
882 recipient_item *recipients_list = NULL;
883 int recipients_list_max = 0;
884 int recipients_max = 0;
885 BOOL recipients_max_reject = FALSE;
886 const pcre *regex_AUTH = NULL;
887 const pcre *regex_check_dns_names = NULL;
888 const pcre *regex_From = NULL;
889 const pcre *regex_IGNOREQUOTA = NULL;
890 const pcre *regex_PIPELINING = NULL;
891 const pcre *regex_SIZE = NULL;
892 const pcre *regex_smtp_code = NULL;
893 const pcre *regex_ismsgid = NULL;
894 #ifdef WITH_CONTENT_SCAN
895 uschar *regex_match_string = NULL;
896 #endif
897 int remote_delivery_count = 0;
898 int remote_max_parallel = 2;
899 uschar *remote_sort_domains = NULL;
900 int retry_data_expire = 7*24*60*60;
901 int retry_interval_max = 24*60*60;
902 int retry_maximum_timeout = 0; /* set from retry config */
903 retry_config *retries = NULL;
904 uschar *return_path = NULL;
905 BOOL return_path_remove = TRUE;
906 int rewrite_existflags = 0;
907 uschar *rfc1413_hosts = US"*";
908 int rfc1413_query_timeout = 5;
909 /* BOOL rfc821_domains = FALSE; <<< on the way out */
910 uid_t root_uid = ROOT_UID;
911
912 router_instance *routers = NULL;
913 router_instance router_defaults = {
914 NULL, /* chain pointer */
915 NULL, /* name */
916 NULL, /* info */
917 NULL, /* private options block pointer */
918 NULL, /* driver name */
919
920 NULL, /* address_data */
921 #ifdef EXPERIMENTAL_BRIGHTMAIL
922 NULL, /* bmi_rule */
923 #endif
924 NULL, /* cannot_route_message */
925 NULL, /* condition */
926 NULL, /* current_directory */
927 NULL, /* debug_string */
928 NULL, /* domains */
929 NULL, /* errors_to */
930 NULL, /* expand_gid */
931 NULL, /* expand_uid */
932 NULL, /* expand_more */
933 NULL, /* expand_unseen */
934 NULL, /* extra_headers */
935 NULL, /* fallback_hosts */
936 NULL, /* home_directory */
937 NULL, /* ignore_target_hosts */
938 NULL, /* local_parts */
939 NULL, /* pass_router_name */
940 NULL, /* prefix */
941 NULL, /* redirect_router_name */
942 NULL, /* remove_headers */
943 NULL, /* require_files */
944 NULL, /* router_home_directory */
945 US"freeze", /* self */
946 NULL, /* senders */
947 NULL, /* suffix */
948 NULL, /* translate_ip_address */
949 NULL, /* transport_name */
950
951 TRUE, /* address_test */
952 #ifdef EXPERIMENTAL_BRIGHTMAIL
953 FALSE, /* bmi_deliver_alternate */
954 FALSE, /* bmi_deliver_default */
955 FALSE, /* bmi_dont_deliver */
956 #endif
957 TRUE, /* expn */
958 FALSE, /* caseful_local_part */
959 FALSE, /* check_local_user */
960 FALSE, /* disable_logging */
961 FALSE, /* fail_verify_recipient */
962 FALSE, /* fail_verify_sender */
963 FALSE, /* gid_set */
964 FALSE, /* initgroups */
965 TRUE_UNSET, /* log_as_local */
966 TRUE, /* more */
967 FALSE, /* pass_on_timeout */
968 FALSE, /* prefix_optional */
969 TRUE, /* repeat_use */
970 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
971 FALSE, /* same_domain_copy_routing */
972 FALSE, /* self_rewrite */
973 FALSE, /* suffix_optional */
974 FALSE, /* verify_only */
975 TRUE, /* verify_recipient */
976 TRUE, /* verify_sender */
977 FALSE, /* uid_set */
978 FALSE, /* unseen */
979
980 self_freeze, /* self_code */
981 (uid_t)(-1), /* uid */
982 (gid_t)(-1), /* gid */
983
984 NULL, /* fallback_hostlist */
985 NULL, /* transport instance */
986 NULL, /* pass_router */
987 NULL /* redirect_router */
988 };
989
990 ip_address_item *running_interfaces = NULL;
991 BOOL running_in_test_harness = FALSE;
992
993 /* This is a weird one. The following string gets patched in the binary by the
994 script that sets up a copy of Exim for running in the test harness. It seems
995 that compilers are now clever, and share constant strings if they can.
996 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
997 make use of the end of this string in order to save space. So the patching then
998 wrecks this. We default this optimization by adding some additional characters
999 onto the end of the string. */
1000
1001 uschar *running_status = US">>>running<<<" "\0EXTRA";
1002
1003 int runrc = 0;
1004
1005 uschar *search_error_message = NULL;
1006 BOOL search_find_defer = FALSE;
1007 uschar *self_hostname = NULL;
1008 uschar *sender_address = NULL;
1009 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1010 uschar *sender_address_data = NULL;
1011 BOOL sender_address_forced = FALSE;
1012 uschar *sender_address_unrewritten = NULL;
1013 uschar *sender_data = NULL;
1014 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1015 uschar *sender_fullhost = NULL;
1016 uschar *sender_helo_name = NULL;
1017 uschar **sender_host_aliases = &no_aliases;
1018 uschar *sender_host_address = NULL;
1019 uschar *sender_host_authenticated = NULL;
1020 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1021 uschar *sender_host_name = NULL;
1022 int sender_host_port = 0;
1023 BOOL sender_host_notsocket = FALSE;
1024 BOOL sender_host_unknown = FALSE;
1025 uschar *sender_ident = NULL;
1026 BOOL sender_local = FALSE;
1027 BOOL sender_name_forced = FALSE;
1028 uschar *sender_rate = NULL;
1029 uschar *sender_rate_limit = NULL;
1030 uschar *sender_rate_period = NULL;
1031 uschar *sender_rcvhost = NULL;
1032 BOOL sender_set_untrusted = FALSE;
1033 uschar *sender_unqualified_hosts = NULL;
1034 uschar *sender_verify_failure = NULL;
1035 address_item *sender_verified_list = NULL;
1036 address_item *sender_verified_failed = NULL;
1037 int sender_verified_rc = -1;
1038 BOOL sender_verified_responded = FALSE;
1039 uschar *sending_ip_address = NULL;
1040 int sending_port = -1;
1041 volatile BOOL sigalrm_seen = FALSE;
1042 uschar **sighup_argv = NULL;
1043 int smtp_accept_count = 0;
1044 BOOL smtp_accept_keepalive = TRUE;
1045 int smtp_accept_max = 20;
1046 int smtp_accept_max_nonmail= 10;
1047 uschar *smtp_accept_max_nonmail_hosts = US"*";
1048 int smtp_accept_max_per_connection = 1000;
1049 uschar *smtp_accept_max_per_host = NULL;
1050 int smtp_accept_queue = 0;
1051 int smtp_accept_queue_per_connection = 10;
1052 int smtp_accept_reserve = 0;
1053 uschar *smtp_active_hostname = NULL;
1054 BOOL smtp_authenticated = FALSE;
1055 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1056 "Exim $version_number $tod_full"
1057 "\0<---------------Space to patch smtp_banner->";
1058 BOOL smtp_batched_input = FALSE;
1059 BOOL smtp_check_spool_space = TRUE;
1060 int smtp_ch_index = 0;
1061 uschar *smtp_cmd_argument = NULL;
1062 uschar *smtp_cmd_buffer = NULL;
1063 time_t smtp_connection_start = 0;
1064 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1065 int smtp_connect_backlog = 20;
1066 double smtp_delay_mail = 0.0;
1067 double smtp_delay_rcpt = 0.0;
1068 BOOL smtp_enforce_sync = TRUE;
1069 FILE *smtp_in = NULL;
1070 BOOL smtp_input = FALSE;
1071 int smtp_load_reserve = -1;
1072 int smtp_mailcmd_count = 0;
1073 FILE *smtp_out = NULL;
1074 uschar *smtp_etrn_command = NULL;
1075 BOOL smtp_etrn_serialize = TRUE;
1076 int smtp_max_synprot_errors= 3;
1077 int smtp_max_unknown_commands = 3;
1078 uschar *smtp_ratelimit_hosts = NULL;
1079 uschar *smtp_ratelimit_mail = NULL;
1080 uschar *smtp_ratelimit_rcpt = NULL;
1081 uschar *smtp_read_error = US"";
1082 int smtp_receive_timeout = 5*60;
1083 uschar *smtp_reserve_hosts = NULL;
1084 BOOL smtp_return_error_details = FALSE;
1085 int smtp_rlm_base = 0;
1086 double smtp_rlm_factor = 0.0;
1087 int smtp_rlm_limit = 0;
1088 int smtp_rlm_threshold = INT_MAX;
1089 int smtp_rlr_base = 0;
1090 double smtp_rlr_factor = 0.0;
1091 int smtp_rlr_limit = 0;
1092 int smtp_rlr_threshold = INT_MAX;
1093 BOOL smtp_use_pipelining = FALSE;
1094 BOOL smtp_use_size = FALSE;
1095
1096 #ifdef WITH_CONTENT_SCAN
1097 uschar *spamd_address = US"127.0.0.1 783";
1098 uschar *spam_bar = NULL;
1099 uschar *spam_report = NULL;
1100 uschar *spam_score = NULL;
1101 uschar *spam_score_int = NULL;
1102 #endif
1103 #ifdef EXPERIMENTAL_SPF
1104 uschar *spf_header_comment = NULL;
1105 uschar *spf_received = NULL;
1106 uschar *spf_result = NULL;
1107 uschar *spf_smtp_comment = NULL;
1108 #endif
1109
1110 BOOL split_spool_directory = FALSE;
1111 uschar *spool_directory = US SPOOL_DIRECTORY
1112 "\0<--------------Space to patch spool_directory->";
1113 #ifdef EXPERIMENTAL_SRS
1114 uschar *srs_config = NULL;
1115 uschar *srs_db_address = NULL;
1116 uschar *srs_db_key = NULL;
1117 int srs_hashlength = 6;
1118 int srs_hashmin = -1;
1119 int srs_maxage = 31;
1120 uschar *srs_orig_recipient = NULL;
1121 uschar *srs_orig_sender = NULL;
1122 uschar *srs_recipient = NULL;
1123 uschar *srs_secrets = NULL;
1124 uschar *srs_status = NULL;
1125 BOOL srs_usehash = TRUE;
1126 BOOL srs_usetimestamp = TRUE;
1127 #endif
1128 BOOL strict_acl_vars = FALSE;
1129 int string_datestamp_offset= -1;
1130 BOOL strip_excess_angle_brackets = FALSE;
1131 BOOL strip_trailing_dot = FALSE;
1132 uschar *submission_domain = NULL;
1133 BOOL submission_mode = FALSE;
1134 uschar *submission_name = NULL;
1135 BOOL suppress_local_fixups = FALSE;
1136 BOOL synchronous_delivery = FALSE;
1137 BOOL syslog_duplication = TRUE;
1138 int syslog_facility = LOG_MAIL;
1139 uschar *syslog_processname = US"exim";
1140 BOOL syslog_timestamp = TRUE;
1141 uschar *system_filter = NULL;
1142
1143 uschar *system_filter_directory_transport = NULL;
1144 uschar *system_filter_file_transport = NULL;
1145 uschar *system_filter_pipe_transport = NULL;
1146 uschar *system_filter_reply_transport = NULL;
1147
1148 gid_t system_filter_gid = 0;
1149 BOOL system_filter_gid_set = FALSE;
1150 uid_t system_filter_uid = 0;
1151 BOOL system_filter_uid_set = FALSE;
1152 BOOL system_filtering = FALSE;
1153
1154 BOOL tcp_nodelay = TRUE;
1155 int thismessage_size_limit = 0;
1156 int timeout_frozen_after = 0;
1157 BOOL timestamps_utc = FALSE;
1158
1159 transport_instance *transports = NULL;
1160
1161 transport_instance transport_defaults = {
1162 NULL, /* chain pointer */
1163 NULL, /* name */
1164 NULL, /* info */
1165 NULL, /* private options block pointer */
1166 NULL, /* driver name */
1167 NULL, /* setup entry point */
1168 1, /* batch_max */
1169 NULL, /* batch_id */
1170 NULL, /* home_dir */
1171 NULL, /* current_dir */
1172 TRUE, /* multi-domain */
1173 FALSE, /* overrides_hosts */
1174 100, /* max_addresses */
1175 500, /* connection_max_messages */
1176 FALSE, /* deliver_as_creator */
1177 FALSE, /* disable_logging */
1178 FALSE, /* initgroups */
1179 FALSE, /* uid_set */
1180 FALSE, /* gid_set */
1181 (uid_t)(-1), /* uid */
1182 (gid_t)(-1), /* gid */
1183 NULL, /* expand_uid */
1184 NULL, /* expand_gid */
1185 NULL, /* warn_message */
1186 NULL, /* shadow */
1187 NULL, /* shadow_condition */
1188 NULL, /* filter_command */
1189 NULL, /* add_headers */
1190 NULL, /* remove_headers */
1191 NULL, /* return_path */
1192 NULL, /* debug_string */
1193 NULL, /* message_size_limit */
1194 NULL, /* headers_rewrite */
1195 NULL, /* rewrite_rules */
1196 0, /* rewrite_existflags */
1197 300, /* filter_timeout */
1198 FALSE, /* body_only */
1199 FALSE, /* delivery_date_add */
1200 FALSE, /* envelope_to_add */
1201 FALSE, /* headers_only */
1202 FALSE, /* rcpt_include_affixes */
1203 FALSE, /* return_path_add */
1204 FALSE, /* return_output */
1205 FALSE, /* return_fail_output */
1206 FALSE, /* log_output */
1207 FALSE, /* log_fail_output */
1208 FALSE, /* log_defer_output */
1209 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1210 1 nor 0 so can detect unset */
1211 };
1212
1213 int transport_count;
1214 uschar **transport_filter_argv = NULL;
1215 int transport_filter_timeout;
1216 BOOL transport_filter_timed_out = FALSE;
1217 int transport_write_timeout= 0;
1218
1219 tree_node *tree_dns_fails = NULL;
1220 tree_node *tree_duplicates = NULL;
1221 tree_node *tree_nonrecipients = NULL;
1222 tree_node *tree_unusable = NULL;
1223
1224 BOOL trusted_caller = FALSE;
1225 gid_t *trusted_groups = NULL;
1226 uid_t *trusted_users = NULL;
1227 uschar *timezone_string = US TIMEZONE_DEFAULT;
1228
1229 uschar *unknown_login = NULL;
1230 uschar *unknown_username = NULL;
1231 uschar *untrusted_set_sender = NULL;
1232
1233 /* A regex for matching a "From_" line in an incoming message, in the form
1234
1235 From ph10 Fri Jan 5 12:35 GMT 1996
1236
1237 which the "mail" commands send to the MTA (undocumented, of course), or in
1238 the form
1239
1240 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1241
1242 which is apparently used by some UUCPs, despite it not being in RFC 976.
1243 Because of variations in time formats, just match up to the minutes. That
1244 should be sufficient. Examples have been seen of time fields like 12:1:03,
1245 so just require one digit for hours and minutes. The weekday is also absent
1246 in some forms. */
1247
1248 uschar *uucp_from_pattern = US
1249 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1250 "(?:" /* Non-extracting bracket */
1251 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1252 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1253 ")" /* End alternation */
1254 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1255
1256 uschar *uucp_from_sender = US"$1";
1257
1258 uschar *warn_message_file = NULL;
1259 uschar *warnmsg_delay = NULL;
1260 uschar *warnmsg_recipients = NULL;
1261 BOOL write_rejectlog = TRUE;
1262
1263 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1264 uschar *version_date = US"?";
1265 uschar *version_cnumber = US"????";
1266 uschar *version_string = US"?";
1267
1268 int warning_count = 0;
1269
1270 /* End of globals.c */
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