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Add gnutls_require_{kx,mac,protocols}.
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.63 2007/01/18 15:35:42 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_ipv6 = FALSE;
503 BOOL disable_logging = FALSE;
504
505 #ifdef EXPERIMENTAL_DOMAINKEYS
506 uschar *dk_signing_domain = NULL;
507 uschar *dk_signing_selector = NULL;
508 int dk_do_verify = 0;
509 #endif
510
511 uschar *dns_again_means_nonexist = NULL;
512 int dns_csa_search_limit = 5;
513 BOOL dns_csa_use_reverse = TRUE;
514 uschar *dns_ipv4_lookup = NULL;
515 int dns_retrans = 0;
516 int dns_retry = 0;
517 uschar *dnslist_domain = NULL;
518 uschar *dnslist_text = NULL;
519 uschar *dnslist_value = NULL;
520 tree_node *domainlist_anchor = NULL;
521 int domainlist_count = 0;
522 BOOL dont_deliver = FALSE;
523 BOOL dot_ends = TRUE;
524 BOOL drop_cr = FALSE; /* No longer used */
525
526 BOOL enable_dollar_recipients = FALSE;
527 BOOL envelope_to_remove = TRUE;
528 int errno_quota = ERRNO_QUOTA;
529 uschar *errors_copy = NULL;
530 int error_handling = ERRORS_SENDER;
531 uschar *errors_reply_to = NULL;
532 int errors_sender_rc = EXIT_FAILURE;
533
534 gid_t exim_gid = EXIM_GID;
535 BOOL exim_gid_set = TRUE; /* This gid is always set */
536 uschar *exim_path = US BIN_DIRECTORY "/exim"
537 "\0<---------------Space to patch exim_path->";
538 uid_t exim_uid = EXIM_UID;
539 BOOL exim_uid_set = TRUE; /* This uid is always set */
540 int expand_forbid = 0;
541 int expand_nlength[EXPAND_MAXN+1];
542 int expand_nmax = -1;
543 uschar *expand_nstring[EXPAND_MAXN+1];
544 BOOL expand_string_forcedfail = FALSE;
545 uschar *expand_string_message;
546 BOOL extract_addresses_remove_arguments = TRUE;
547 uschar *extra_local_interfaces = NULL;
548
549 int fake_response = OK;
550 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).";
551 int filter_n[FILTER_VARIABLE_COUNT];
552 BOOL filter_running = FALSE;
553 int filter_sn[FILTER_VARIABLE_COUNT];
554 int filter_test = FTEST_NONE;
555 uschar *filter_test_sfile = NULL;
556 uschar *filter_test_ufile = NULL;
557 uschar *filter_thisaddress = NULL;
558 int finduser_retries = 0;
559 #ifdef WITH_OLD_DEMIME
560 uschar *found_extension = NULL;
561 #endif
562 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
563 uschar *freeze_tell = NULL;
564 uschar *freeze_tell_config = NULL;
565 uschar *fudged_queue_times = US"";
566
567 uschar *gecos_name = NULL;
568 uschar *gecos_pattern = NULL;
569 rewrite_rule *global_rewrite_rules = NULL;
570
571 uschar *headers_charset = US HEADERS_CHARSET;
572 int header_insert_maxlen = 64 * 1024;
573 header_line *header_last = NULL;
574 header_line *header_list = NULL;
575 int header_maxsize = HEADER_MAXSIZE;
576 int header_line_maxsize = 0;
577
578 header_name header_names[] = {
579 { US"bcc", 3, TRUE, htype_bcc },
580 { US"cc", 2, TRUE, htype_cc },
581 { US"date", 4, TRUE, htype_date },
582 { US"delivery-date", 13, FALSE, htype_delivery_date },
583 { US"envelope-to", 11, FALSE, htype_envelope_to },
584 { US"from", 4, TRUE, htype_from },
585 { US"message-id", 10, TRUE, htype_id },
586 { US"received", 8, FALSE, htype_received },
587 { US"reply-to", 8, FALSE, htype_reply_to },
588 { US"return-path", 11, FALSE, htype_return_path },
589 { US"sender", 6, TRUE, htype_sender },
590 { US"subject", 7, FALSE, htype_subject },
591 { US"to", 2, TRUE, htype_to }
592 };
593
594 int header_names_size = sizeof(header_names)/sizeof(header_name);
595
596 BOOL header_rewritten = FALSE;
597 uschar *helo_accept_junk_hosts = NULL;
598 uschar *helo_allow_chars = US"";
599 uschar *helo_lookup_domains = US"@ : @[]";
600 uschar *helo_try_verify_hosts = NULL;
601 BOOL helo_verified = FALSE;
602 BOOL helo_verify_failed = FALSE;
603 uschar *helo_verify_hosts = NULL;
604 uschar *hex_digits = US"0123456789abcdef";
605 uschar *hold_domains = NULL;
606 BOOL host_checking = FALSE;
607 BOOL host_checking_callout = FALSE;
608 uschar *host_data = NULL;
609 BOOL host_find_failed_syntax= FALSE;
610 uschar *host_lookup = NULL;
611 BOOL host_lookup_deferred = FALSE;
612 BOOL host_lookup_failed = FALSE;
613 uschar *host_lookup_order = US"bydns:byaddr";
614 uschar *host_lookup_msg = US"";
615 int host_number = 0;
616 uschar *host_number_string = NULL;
617 uschar *host_reject_connection = NULL;
618 tree_node *hostlist_anchor = NULL;
619 int hostlist_count = 0;
620 uschar *hosts_treat_as_local = NULL;
621 uschar *hosts_connection_nolog = NULL;
622
623 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
624 BOOL ignore_fromline_local = FALSE;
625 uschar *ignore_fromline_hosts = NULL;
626 uschar *interface_address = NULL;
627 int interface_port = -1;
628 BOOL is_inetd = FALSE;
629
630 int journal_fd = -1;
631
632 int keep_malformed = 4*24*60*60; /* 4 days */
633
634 uschar *eldap_dn = NULL;
635 int load_average = -2;
636 BOOL local_error_message = FALSE;
637 BOOL local_from_check = TRUE;
638 uschar *local_from_prefix = NULL;
639 uschar *local_from_suffix = NULL;
640
641 #if HAVE_IPV6
642 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
643 #else
644 uschar *local_interfaces = US"0.0.0.0";
645 #endif
646
647 uschar *local_scan_data = NULL;
648 int local_scan_timeout = 5*60;
649 BOOL local_sender_retain = FALSE;
650 gid_t local_user_gid = (gid_t)(-1);
651 uid_t local_user_uid = (uid_t)(-1);
652
653 tree_node *localpartlist_anchor= NULL;
654 int localpartlist_count = 0;
655 uschar *log_buffer = NULL;
656 unsigned int log_extra_selector = LX_default;
657 uschar *log_file_path = US LOG_FILE_PATH
658 "\0<--------------Space to patch log_file_path->";
659
660 /* Those log options with L_xxx identifiers have values less than 0x800000 and
661 are the ones that get put into log_write_selector. They can be used in calls to
662 log_write() to test for the bit. The options with LX_xxx identifiers have
663 values greater than 0x80000000 and are put int log_extra_selector (without the
664 top bit). They are never used in calls to log_write(), but are tested
665 independently. This separation became necessary when the number of log
666 selectors was getting close to filling a 32-bit word. */
667
668 bit_table log_options[] = {
669 { US"acl_warn_skipped", LX_acl_warn_skipped },
670 { US"address_rewrite", L_address_rewrite },
671 { US"all", L_all },
672 { US"all_parents", L_all_parents },
673 { US"arguments", LX_arguments },
674 { US"connection_reject", L_connection_reject },
675 { US"delay_delivery", L_delay_delivery },
676 { US"deliver_time", LX_deliver_time },
677 { US"delivery_size", LX_delivery_size },
678 { US"dnslist_defer", L_dnslist_defer },
679 { US"etrn", L_etrn },
680 { US"host_lookup_failed", L_host_lookup_failed },
681 { US"ident_timeout", LX_ident_timeout },
682 { US"incoming_interface", LX_incoming_interface },
683 { US"incoming_port", LX_incoming_port },
684 { US"lost_incoming_connection", L_lost_incoming_connection },
685 { US"outgoing_port", LX_outgoing_port },
686 { US"queue_run", L_queue_run },
687 { US"queue_time", LX_queue_time },
688 { US"queue_time_overall", LX_queue_time_overall },
689 { US"received_recipients", LX_received_recipients },
690 { US"received_sender", LX_received_sender },
691 { US"rejected_header", LX_rejected_header },
692 { US"rejected_headers", LX_rejected_header },
693 { US"retry_defer", L_retry_defer },
694 { US"return_path_on_delivery", LX_return_path_on_delivery },
695 { US"sender_on_delivery", LX_sender_on_delivery },
696 { US"sender_verify_fail", LX_sender_verify_fail },
697 { US"size_reject", L_size_reject },
698 { US"skip_delivery", L_skip_delivery },
699 { US"smtp_confirmation", LX_smtp_confirmation },
700 { US"smtp_connection", L_smtp_connection },
701 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
702 { US"smtp_no_mail", LX_smtp_no_mail },
703 { US"smtp_protocol_error", L_smtp_protocol_error },
704 { US"smtp_syntax_error", L_smtp_syntax_error },
705 { US"subject", LX_subject },
706 { US"tls_certificate_verified", LX_tls_certificate_verified },
707 { US"tls_cipher", LX_tls_cipher },
708 { US"tls_peerdn", LX_tls_peerdn },
709 { US"unknown_in_list", LX_unknown_in_list }
710 };
711
712 int log_options_count = sizeof(log_options)/sizeof(bit_table);
713 int log_reject_target = 0;
714 uschar *log_selector_string = NULL;
715 FILE *log_stderr = NULL;
716 BOOL log_testing_mode = FALSE;
717 BOOL log_timezone = FALSE;
718 unsigned int log_write_selector= L_default;
719 uschar *login_sender_address = NULL;
720 int lookup_open_max = 25;
721 uschar *lookup_value = NULL;
722
723 macro_item *macros = NULL;
724 uschar *mailstore_basename = NULL;
725 #ifdef WITH_CONTENT_SCAN
726 uschar *malware_name = NULL; /* Virus Name */
727 #endif
728 int max_username_length = 0;
729 int message_age = 0;
730 uschar *message_body = NULL;
731 uschar *message_body_end = NULL;
732 int message_body_size = 0;
733 int message_body_visible = 500;
734 int message_ended = END_NOTSTARTED;
735 uschar *message_headers = NULL;
736 uschar *message_id;
737 uschar *message_id_domain = NULL;
738 uschar *message_id_text = NULL;
739 struct timeval message_id_tv = { 0, 0 };
740 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
741 uschar *message_id_external;
742 int message_linecount = 0;
743 BOOL message_logs = TRUE;
744 int message_size = 0;
745 uschar *message_size_limit = US"50M";
746 uschar message_subdir[2] = { 0, 0 };
747 uschar *message_reference = NULL;
748
749 /* MIME ACL expandables */
750 #ifdef WITH_CONTENT_SCAN
751 int mime_anomaly_level = 0;
752 uschar *mime_anomaly_text = NULL;
753 uschar *mime_boundary = NULL;
754 uschar *mime_charset = NULL;
755 uschar *mime_content_description = NULL;
756 uschar *mime_content_disposition = NULL;
757 uschar *mime_content_id = NULL;
758 unsigned int mime_content_size = 0;
759 uschar *mime_content_transfer_encoding = NULL;
760 uschar *mime_content_type = NULL;
761 uschar *mime_decoded_filename = NULL;
762 uschar *mime_filename = NULL;
763 int mime_is_multipart = 0;
764 int mime_is_coverletter = 0;
765 int mime_is_rfc822 = 0;
766 int mime_part_count = -1;
767 #endif
768
769 BOOL mua_wrapper = FALSE;
770
771 uid_t *never_users = NULL;
772 #ifdef WITH_CONTENT_SCAN
773 BOOL no_mbox_unspool = FALSE;
774 #endif
775 BOOL no_multiline_responses = FALSE;
776
777 uid_t original_euid;
778 gid_t originator_gid;
779 uschar *originator_login = NULL;
780 uschar *originator_name = NULL;
781 uid_t originator_uid;
782 uschar *override_local_interfaces = NULL;
783 uschar *override_pid_file_path = NULL;
784
785 BOOL parse_allow_group = FALSE;
786 BOOL parse_found_group = FALSE;
787 uschar *percent_hack_domains = NULL;
788 uschar *pid_file_path = US PID_FILE_PATH
789 "\0<--------------Space to patch pid_file_path->";
790 uschar *pipelining_advertise_hosts = US"*";
791 BOOL preserve_message_logs = FALSE;
792 uschar *primary_hostname = NULL;
793 BOOL print_topbitchars = FALSE;
794 uschar process_info[PROCESS_INFO_SIZE];
795 uschar *process_log_path = NULL;
796 BOOL prod_requires_admin = TRUE;
797 uschar *prvscheck_address = NULL;
798 uschar *prvscheck_keynum = NULL;
799 uschar *prvscheck_result = NULL;
800
801
802 uschar *qualify_domain_recipient = NULL;
803 uschar *qualify_domain_sender = NULL;
804 BOOL queue_2stage = FALSE;
805 uschar *queue_domains = NULL;
806 int queue_interval = -1;
807 BOOL queue_list_requires_admin = TRUE;
808 BOOL queue_only = FALSE;
809 uschar *queue_only_file = NULL;
810 int queue_only_load = -1;
811 BOOL queue_only_override = TRUE;
812 BOOL queue_only_policy = FALSE;
813 BOOL queue_run_first_delivery = FALSE;
814 BOOL queue_run_force = FALSE;
815 BOOL queue_run_in_order = FALSE;
816 BOOL queue_run_local = FALSE;
817 int queue_run_max = 5;
818 pid_t queue_run_pid = (pid_t)0;
819 int queue_run_pipe = -1;
820 BOOL queue_running = FALSE;
821 BOOL queue_smtp = FALSE;
822 uschar *queue_smtp_domains = NULL;
823
824 unsigned int random_seed = 0;
825 tree_node *ratelimiters_cmd = NULL;
826 tree_node *ratelimiters_conn = NULL;
827 tree_node *ratelimiters_mail = NULL;
828 uschar *raw_active_hostname = NULL;
829 uschar *raw_sender = NULL;
830 uschar **raw_recipients = NULL;
831 int raw_recipients_count = 0;
832
833 int rcpt_count = 0;
834 int rcpt_fail_count = 0;
835 int rcpt_defer_count = 0;
836 gid_t real_gid;
837 uid_t real_uid;
838 BOOL really_exim = TRUE;
839 BOOL receive_call_bombout = FALSE;
840 int receive_linecount = 0;
841 int receive_messagecount = 0;
842 int receive_timeout = 0;
843 int received_count = 0;
844 uschar *received_for = NULL;
845
846 /* This is the default text for Received headers generated by Exim. The
847 date will be automatically added on the end. */
848
849 uschar *received_header_text = US
850 "Received: "
851 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
852 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
853 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
854 "by $primary_hostname "
855 "${if def:received_protocol {with $received_protocol}} "
856 #ifdef SUPPORT_TLS
857 "${if def:tls_cipher {($tls_cipher)\n\t}}"
858 #endif
859 "(Exim $version_number)\n\t"
860 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
861 "id $message_exim_id"
862 "${if def:received_for {\n\tfor $received_for}}"
863 "\0<---------------Space to patch received_header_text->";
864
865 int received_headers_max = 30;
866 uschar *received_protocol = NULL;
867 int received_time = 0;
868 uschar *recipient_data = NULL;
869 uschar *recipient_unqualified_hosts = NULL;
870 uschar *recipient_verify_failure = NULL;
871 int recipients_count = 0;
872 BOOL recipients_discarded = FALSE;
873 recipient_item *recipients_list = NULL;
874 int recipients_list_max = 0;
875 int recipients_max = 0;
876 BOOL recipients_max_reject = FALSE;
877 const pcre *regex_AUTH = NULL;
878 const pcre *regex_check_dns_names = NULL;
879 const pcre *regex_From = NULL;
880 const pcre *regex_IGNOREQUOTA = NULL;
881 const pcre *regex_PIPELINING = NULL;
882 const pcre *regex_SIZE = NULL;
883 const pcre *regex_smtp_code = NULL;
884 const pcre *regex_ismsgid = NULL;
885 #ifdef WITH_CONTENT_SCAN
886 uschar *regex_match_string = NULL;
887 #endif
888 int remote_delivery_count = 0;
889 int remote_max_parallel = 2;
890 uschar *remote_sort_domains = NULL;
891 int retry_data_expire = 7*24*60*60;
892 int retry_interval_max = 24*60*60;
893 int retry_maximum_timeout = 0; /* set from retry config */
894 retry_config *retries = NULL;
895 uschar *return_path = NULL;
896 BOOL return_path_remove = TRUE;
897 int rewrite_existflags = 0;
898 uschar *rfc1413_hosts = US"*";
899 int rfc1413_query_timeout = 5;
900 /* BOOL rfc821_domains = FALSE; <<< on the way out */
901 uid_t root_uid = ROOT_UID;
902
903 router_instance *routers = NULL;
904 router_instance router_defaults = {
905 NULL, /* chain pointer */
906 NULL, /* name */
907 NULL, /* info */
908 NULL, /* private options block pointer */
909 NULL, /* driver name */
910
911 NULL, /* address_data */
912 #ifdef EXPERIMENTAL_BRIGHTMAIL
913 NULL, /* bmi_rule */
914 #endif
915 NULL, /* cannot_route_message */
916 NULL, /* condition */
917 NULL, /* current_directory */
918 NULL, /* debug_string */
919 NULL, /* domains */
920 NULL, /* errors_to */
921 NULL, /* expand_gid */
922 NULL, /* expand_uid */
923 NULL, /* expand_more */
924 NULL, /* expand_unseen */
925 NULL, /* extra_headers */
926 NULL, /* fallback_hosts */
927 NULL, /* home_directory */
928 NULL, /* ignore_target_hosts */
929 NULL, /* local_parts */
930 NULL, /* pass_router_name */
931 NULL, /* prefix */
932 NULL, /* redirect_router_name */
933 NULL, /* remove_headers */
934 NULL, /* require_files */
935 NULL, /* router_home_directory */
936 US"freeze", /* self */
937 NULL, /* senders */
938 NULL, /* suffix */
939 NULL, /* translate_ip_address */
940 NULL, /* transport_name */
941
942 TRUE, /* address_test */
943 #ifdef EXPERIMENTAL_BRIGHTMAIL
944 FALSE, /* bmi_deliver_alternate */
945 FALSE, /* bmi_deliver_default */
946 FALSE, /* bmi_dont_deliver */
947 #endif
948 TRUE, /* expn */
949 FALSE, /* caseful_local_part */
950 FALSE, /* check_local_user */
951 FALSE, /* disable_logging */
952 FALSE, /* fail_verify_recipient */
953 FALSE, /* fail_verify_sender */
954 FALSE, /* gid_set */
955 FALSE, /* initgroups */
956 TRUE_UNSET, /* log_as_local */
957 TRUE, /* more */
958 FALSE, /* pass_on_timeout */
959 FALSE, /* prefix_optional */
960 TRUE, /* repeat_use */
961 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
962 FALSE, /* same_domain_copy_routing */
963 FALSE, /* self_rewrite */
964 FALSE, /* suffix_optional */
965 FALSE, /* verify_only */
966 TRUE, /* verify_recipient */
967 TRUE, /* verify_sender */
968 FALSE, /* uid_set */
969 FALSE, /* unseen */
970
971 self_freeze, /* self_code */
972 (uid_t)(-1), /* uid */
973 (gid_t)(-1), /* gid */
974
975 NULL, /* fallback_hostlist */
976 NULL, /* transport instance */
977 NULL, /* pass_router */
978 NULL /* redirect_router */
979 };
980
981 ip_address_item *running_interfaces = NULL;
982 BOOL running_in_test_harness = FALSE;
983
984 /* This is a weird one. The following string gets patched in the binary by the
985 script that sets up a copy of Exim for running in the test harness. It seems
986 that compilers are now clever, and share constant strings if they can.
987 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
988 make use of the end of this string in order to save space. So the patching then
989 wrecks this. We default this optimization by adding some additional characters
990 onto the end of the string. */
991
992 uschar *running_status = US">>>running<<<" "\0EXTRA";
993
994 int runrc = 0;
995
996 uschar *search_error_message = NULL;
997 BOOL search_find_defer = FALSE;
998 uschar *self_hostname = NULL;
999 uschar *sender_address = NULL;
1000 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1001 uschar *sender_address_data = NULL;
1002 BOOL sender_address_forced = FALSE;
1003 uschar *sender_address_unrewritten = NULL;
1004 uschar *sender_data = NULL;
1005 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1006 uschar *sender_fullhost = NULL;
1007 uschar *sender_helo_name = NULL;
1008 uschar **sender_host_aliases = &no_aliases;
1009 uschar *sender_host_address = NULL;
1010 uschar *sender_host_authenticated = NULL;
1011 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1012 uschar *sender_host_name = NULL;
1013 int sender_host_port = 0;
1014 BOOL sender_host_notsocket = FALSE;
1015 BOOL sender_host_unknown = FALSE;
1016 uschar *sender_ident = NULL;
1017 BOOL sender_local = FALSE;
1018 BOOL sender_name_forced = FALSE;
1019 uschar *sender_rate = NULL;
1020 uschar *sender_rate_limit = NULL;
1021 uschar *sender_rate_period = NULL;
1022 uschar *sender_rcvhost = NULL;
1023 BOOL sender_set_untrusted = FALSE;
1024 uschar *sender_unqualified_hosts = NULL;
1025 uschar *sender_verify_failure = NULL;
1026 address_item *sender_verified_list = NULL;
1027 address_item *sender_verified_failed = NULL;
1028 int sender_verified_rc = -1;
1029 BOOL sender_verified_responded = FALSE;
1030 volatile BOOL sigalrm_seen = FALSE;
1031 uschar **sighup_argv = NULL;
1032 int smtp_accept_count = 0;
1033 BOOL smtp_accept_keepalive = TRUE;
1034 int smtp_accept_max = 20;
1035 int smtp_accept_max_nonmail= 10;
1036 uschar *smtp_accept_max_nonmail_hosts = US"*";
1037 int smtp_accept_max_per_connection = 1000;
1038 uschar *smtp_accept_max_per_host = NULL;
1039 int smtp_accept_queue = 0;
1040 int smtp_accept_queue_per_connection = 10;
1041 int smtp_accept_reserve = 0;
1042 uschar *smtp_active_hostname = NULL;
1043 BOOL smtp_authenticated = FALSE;
1044 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1045 "Exim $version_number $tod_full"
1046 "\0<---------------Space to patch smtp_banner->";
1047 BOOL smtp_batched_input = FALSE;
1048 BOOL smtp_check_spool_space = TRUE;
1049 int smtp_ch_index = 0;
1050 uschar *smtp_cmd_argument = NULL;
1051 uschar *smtp_cmd_buffer = NULL;
1052 time_t smtp_connection_start = 0;
1053 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1054 int smtp_connect_backlog = 20;
1055 double smtp_delay_mail = 0.0;
1056 double smtp_delay_rcpt = 0.0;
1057 BOOL smtp_enforce_sync = TRUE;
1058 FILE *smtp_in = NULL;
1059 BOOL smtp_input = FALSE;
1060 int smtp_load_reserve = -1;
1061 int smtp_mailcmd_count = 0;
1062 FILE *smtp_out = NULL;
1063 uschar *smtp_etrn_command = NULL;
1064 BOOL smtp_etrn_serialize = TRUE;
1065 int smtp_max_synprot_errors= 3;
1066 int smtp_max_unknown_commands = 3;
1067 uschar *smtp_ratelimit_hosts = NULL;
1068 uschar *smtp_ratelimit_mail = NULL;
1069 uschar *smtp_ratelimit_rcpt = NULL;
1070 uschar *smtp_read_error = US"";
1071 int smtp_receive_timeout = 5*60;
1072 uschar *smtp_reserve_hosts = NULL;
1073 BOOL smtp_return_error_details = FALSE;
1074 int smtp_rlm_base = 0;
1075 double smtp_rlm_factor = 0.0;
1076 int smtp_rlm_limit = 0;
1077 int smtp_rlm_threshold = INT_MAX;
1078 int smtp_rlr_base = 0;
1079 double smtp_rlr_factor = 0.0;
1080 int smtp_rlr_limit = 0;
1081 int smtp_rlr_threshold = INT_MAX;
1082 BOOL smtp_use_pipelining = FALSE;
1083 BOOL smtp_use_size = FALSE;
1084
1085 #ifdef WITH_CONTENT_SCAN
1086 uschar *spamd_address = US"127.0.0.1 783";
1087 uschar *spam_bar = NULL;
1088 uschar *spam_report = NULL;
1089 uschar *spam_score = NULL;
1090 uschar *spam_score_int = NULL;
1091 #endif
1092 #ifdef EXPERIMENTAL_SPF
1093 uschar *spf_header_comment = NULL;
1094 uschar *spf_received = NULL;
1095 uschar *spf_result = NULL;
1096 uschar *spf_smtp_comment = NULL;
1097 #endif
1098
1099 BOOL split_spool_directory = FALSE;
1100 uschar *spool_directory = US SPOOL_DIRECTORY
1101 "\0<--------------Space to patch spool_directory->";
1102 #ifdef EXPERIMENTAL_SRS
1103 uschar *srs_config = NULL;
1104 uschar *srs_db_address = NULL;
1105 uschar *srs_db_key = NULL;
1106 int srs_hashlength = 6;
1107 int srs_hashmin = -1;
1108 int srs_maxage = 31;
1109 uschar *srs_orig_recipient = NULL;
1110 uschar *srs_orig_sender = NULL;
1111 uschar *srs_recipient = NULL;
1112 uschar *srs_secrets = NULL;
1113 uschar *srs_status = NULL;
1114 BOOL srs_usehash = TRUE;
1115 BOOL srs_usetimestamp = TRUE;
1116 #endif
1117 BOOL strict_acl_vars = FALSE;
1118 int string_datestamp_offset= -1;
1119 BOOL strip_excess_angle_brackets = FALSE;
1120 BOOL strip_trailing_dot = FALSE;
1121 uschar *submission_domain = NULL;
1122 BOOL submission_mode = FALSE;
1123 uschar *submission_name = NULL;
1124 BOOL suppress_local_fixups = FALSE;
1125 BOOL synchronous_delivery = FALSE;
1126 BOOL syslog_duplication = TRUE;
1127 int syslog_facility = LOG_MAIL;
1128 uschar *syslog_processname = US"exim";
1129 BOOL syslog_timestamp = TRUE;
1130 uschar *system_filter = NULL;
1131
1132 uschar *system_filter_directory_transport = NULL;
1133 uschar *system_filter_file_transport = NULL;
1134 uschar *system_filter_pipe_transport = NULL;
1135 uschar *system_filter_reply_transport = NULL;
1136
1137 gid_t system_filter_gid = 0;
1138 BOOL system_filter_gid_set = FALSE;
1139 uid_t system_filter_uid = 0;
1140 BOOL system_filter_uid_set = FALSE;
1141 BOOL system_filtering = FALSE;
1142
1143 BOOL tcp_nodelay = TRUE;
1144 int thismessage_size_limit = 0;
1145 int timeout_frozen_after = 0;
1146 BOOL timestamps_utc = FALSE;
1147
1148 transport_instance *transports = NULL;
1149
1150 transport_instance transport_defaults = {
1151 NULL, /* chain pointer */
1152 NULL, /* name */
1153 NULL, /* info */
1154 NULL, /* private options block pointer */
1155 NULL, /* driver name */
1156 NULL, /* setup entry point */
1157 1, /* batch_max */
1158 NULL, /* batch_id */
1159 NULL, /* home_dir */
1160 NULL, /* current_dir */
1161 TRUE, /* multi-domain */
1162 FALSE, /* overrides_hosts */
1163 100, /* max_addresses */
1164 500, /* connection_max_messages */
1165 FALSE, /* deliver_as_creator */
1166 FALSE, /* disable_logging */
1167 FALSE, /* initgroups */
1168 FALSE, /* uid_set */
1169 FALSE, /* gid_set */
1170 (uid_t)(-1), /* uid */
1171 (gid_t)(-1), /* gid */
1172 NULL, /* expand_uid */
1173 NULL, /* expand_gid */
1174 NULL, /* warn_message */
1175 NULL, /* shadow */
1176 NULL, /* shadow_condition */
1177 NULL, /* filter_command */
1178 NULL, /* add_headers */
1179 NULL, /* remove_headers */
1180 NULL, /* return_path */
1181 NULL, /* debug_string */
1182 NULL, /* message_size_limit */
1183 NULL, /* headers_rewrite */
1184 NULL, /* rewrite_rules */
1185 0, /* rewrite_existflags */
1186 300, /* filter_timeout */
1187 FALSE, /* body_only */
1188 FALSE, /* delivery_date_add */
1189 FALSE, /* envelope_to_add */
1190 FALSE, /* headers_only */
1191 FALSE, /* rcpt_include_affixes */
1192 FALSE, /* return_path_add */
1193 FALSE, /* return_output */
1194 FALSE, /* return_fail_output */
1195 FALSE, /* log_output */
1196 FALSE, /* log_fail_output */
1197 FALSE, /* log_defer_output */
1198 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1199 1 nor 0 so can detect unset */
1200 };
1201
1202 int transport_count;
1203 uschar **transport_filter_argv = NULL;
1204 int transport_filter_timeout;
1205 BOOL transport_filter_timed_out = FALSE;
1206 int transport_write_timeout= 0;
1207
1208 tree_node *tree_dns_fails = NULL;
1209 tree_node *tree_duplicates = NULL;
1210 tree_node *tree_nonrecipients = NULL;
1211 tree_node *tree_unusable = NULL;
1212
1213 BOOL trusted_caller = FALSE;
1214 gid_t *trusted_groups = NULL;
1215 uid_t *trusted_users = NULL;
1216 uschar *timezone_string = US TIMEZONE_DEFAULT;
1217
1218 uschar *unknown_login = NULL;
1219 uschar *unknown_username = NULL;
1220 uschar *untrusted_set_sender = NULL;
1221
1222 /* A regex for matching a "From_" line in an incoming message, in the form
1223
1224 From ph10 Fri Jan 5 12:35 GMT 1996
1225
1226 which the "mail" commands send to the MTA (undocumented, of course), or in
1227 the form
1228
1229 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1230
1231 which is apparently used by some UUCPs, despite it not being in RFC 976.
1232 Because of variations in time formats, just match up to the minutes. That
1233 should be sufficient. Examples have been seen of time fields like 12:1:03,
1234 so just require one digit for hours and minutes. The weekday is also absent
1235 in some forms. */
1236
1237 uschar *uucp_from_pattern = US
1238 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1239 "(?:" /* Non-extracting bracket */
1240 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1241 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1242 ")" /* End alternation */
1243 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1244
1245 uschar *uucp_from_sender = US"$1";
1246
1247 uschar *warn_message_file = NULL;
1248 uschar *warnmsg_delay = NULL;
1249 uschar *warnmsg_recipients = NULL;
1250 BOOL write_rejectlog = TRUE;
1251
1252 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1253 uschar *version_date = US"?";
1254 uschar *version_cnumber = US"????";
1255 uschar *version_string = US"?";
1256
1257 int warning_count = 0;
1258
1259 /* End of globals.c */
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