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[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.79 2007/09/28 12:21:57 tom 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 { "client_condition", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, client_condition)) },
37 { "driver", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, driver_name)) },
39 { "public_name", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, public_name)) },
41 { "server_advertise_condition", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, advertise_condition))},
43 { "server_condition", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, server_condition)) },
45 { "server_debug_print", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, server_debug_string)) },
47 { "server_mail_auth_condition", opt_stringptr | opt_public,
48 (void *)(offsetof(auth_instance, mail_auth_condition)) },
49 { "server_set_id", opt_stringptr | opt_public,
50 (void *)(offsetof(auth_instance, set_id)) }
51 };
52
53 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
54
55 /* An empty host aliases list. */
56
57 uschar *no_aliases = NULL;
58
59
60 /* For comments on these variables, see globals.h. I'm too idle to
61 duplicate them here... */
62
63 #ifdef EXIM_PERL
64 uschar *opt_perl_startup = NULL;
65 BOOL opt_perl_at_start = FALSE;
66 BOOL opt_perl_started = FALSE;
67 #endif
68
69 #ifdef EXPAND_DLFUNC
70 tree_node *dlobj_anchor = NULL;
71 #endif
72
73 #ifdef LOOKUP_IBASE
74 uschar *ibase_servers = NULL;
75 #endif
76
77 #ifdef LOOKUP_LDAP
78 uschar *eldap_default_servers = NULL;
79 int eldap_version = -1;
80 #endif
81
82 #ifdef LOOKUP_MYSQL
83 uschar *mysql_servers = NULL;
84 #endif
85
86 #ifdef LOOKUP_ORACLE
87 uschar *oracle_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_PGSQL
91 uschar *pgsql_servers = NULL;
92 #endif
93
94 #ifdef LOOKUP_SQLITE
95 int sqlite_lock_timeout = 5;
96 #endif
97
98 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
99 BOOL move_frozen_messages = FALSE;
100 #endif
101
102 /* These variables are outside the #ifdef because it keeps the code less
103 cluttered in several places (e.g. during logging) if we can always refer to
104 them. Also, the tls_ variables are now always visible. */
105
106 BOOL tls_active = -1;
107 BOOL tls_certificate_verified = FALSE;
108 uschar *tls_cipher = NULL;
109 BOOL tls_on_connect = FALSE;
110 uschar *tls_on_connect_ports = NULL;
111 uschar *tls_peerdn = NULL;
112
113 #ifdef SUPPORT_TLS
114 uschar *gnutls_require_mac = NULL;
115 uschar *gnutls_require_kx = NULL;
116 uschar *gnutls_require_proto = NULL;
117 const pcre *regex_STARTTLS = NULL;
118 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
119 uschar *tls_certificate = NULL;
120 uschar *tls_crl = NULL;
121 uschar *tls_dhparam = NULL;
122 BOOL tls_offered = FALSE;
123 uschar *tls_privatekey = NULL;
124 BOOL tls_remember_esmtp = FALSE;
125 uschar *tls_require_ciphers = NULL;
126 uschar *tls_try_verify_hosts = NULL;
127 uschar *tls_verify_certificates= NULL;
128 uschar *tls_verify_hosts = NULL;
129 #endif
130
131
132 /* Input-reading functions for messages, so we can use special ones for
133 incoming TCP/IP. The defaults use stdin. We never need these for any
134 stand-alone tests. */
135
136 #ifndef STAND_ALONE
137 int (*receive_getc)(void) = stdin_getc;
138 int (*receive_ungetc)(int) = stdin_ungetc;
139 int (*receive_feof)(void) = stdin_feof;
140 int (*receive_ferror)(void) = stdin_ferror;
141 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
142 #endif
143
144
145 /* List of per-address expansion variables for clearing and saving/restoring
146 when verifying one address while routing/verifying another. We have to have
147 the size explicit, because it is referenced from more than one module. */
148
149 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
150 &deliver_address_data,
151 &deliver_domain,
152 &deliver_domain_data,
153 &deliver_domain_orig,
154 &deliver_domain_parent,
155 &deliver_localpart,
156 &deliver_localpart_data,
157 &deliver_localpart_orig,
158 &deliver_localpart_parent,
159 &deliver_localpart_prefix,
160 &deliver_localpart_suffix,
161 (uschar **)(&deliver_recipients),
162 &deliver_host,
163 &deliver_home,
164 &address_file,
165 &address_pipe,
166 &self_hostname,
167 NULL };
168
169 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
170
171 /* General global variables */
172
173 header_line *acl_added_headers = NULL;
174 tree_node *acl_anchor = NULL;
175
176 uschar *acl_not_smtp = NULL;
177 #ifdef WITH_CONTENT_SCAN
178 uschar *acl_not_smtp_mime = NULL;
179 #endif
180 uschar *acl_not_smtp_start = NULL;
181
182 uschar *acl_smtp_auth = NULL;
183 uschar *acl_smtp_connect = NULL;
184 uschar *acl_smtp_data = NULL;
185 uschar *acl_smtp_etrn = NULL;
186 uschar *acl_smtp_expn = NULL;
187 uschar *acl_smtp_helo = NULL;
188 uschar *acl_smtp_mail = NULL;
189 uschar *acl_smtp_mailauth = NULL;
190 #ifdef WITH_CONTENT_SCAN
191 uschar *acl_smtp_mime = NULL;
192 #endif
193 uschar *acl_smtp_notquit = NULL;
194 uschar *acl_smtp_predata = NULL;
195 uschar *acl_smtp_quit = NULL;
196 uschar *acl_smtp_rcpt = NULL;
197 uschar *acl_smtp_starttls = NULL;
198 uschar *acl_smtp_vrfy = NULL;
199
200 BOOL acl_temp_details = FALSE;
201 tree_node *acl_var_c = NULL;
202 tree_node *acl_var_m = NULL;
203 uschar *acl_verify_message = NULL;
204 string_item *acl_warn_logged = NULL;
205
206 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
207 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
208
209 uschar *acl_wherenames[] = { US"RCPT",
210 US"MAIL",
211 US"PREDATA",
212 US"MIME",
213 US"DATA",
214 US"non-SMTP",
215 US"AUTH",
216 US"connection",
217 US"ETRN",
218 US"EXPN",
219 US"EHLO or HELO",
220 US"MAILAUTH",
221 US"non-SMTP-start",
222 US"NOTQUIT",
223 US"QUIT",
224 US"STARTTLS",
225 US"VRFY"
226 };
227
228 uschar *acl_wherecodes[] = { US"550", /* RCPT */
229 US"550", /* MAIL */
230 US"550", /* PREDATA */
231 US"550", /* MIME */
232 US"550", /* DATA */
233 US"0", /* not SMTP; not relevant */
234 US"503", /* AUTH */
235 US"550", /* connect */
236 US"458", /* ETRN */
237 US"550", /* EXPN */
238 US"550", /* HELO/EHLO */
239 US"0", /* MAILAUTH; not relevant */
240 US"0", /* not SMTP; not relevant */
241 US"0", /* NOTQUIT; not relevant */
242 US"0", /* QUIT; not relevant */
243 US"550", /* STARTTLS */
244 US"252" /* VRFY */
245 };
246
247 BOOL active_local_from_check = FALSE;
248 BOOL active_local_sender_retain = FALSE;
249 BOOL accept_8bitmime = FALSE;
250 address_item *addr_duplicate = NULL;
251
252 address_item address_defaults = {
253 NULL, /* next */
254 NULL, /* parent */
255 NULL, /* first */
256 NULL, /* dupof */
257 NULL, /* start_router */
258 NULL, /* router */
259 NULL, /* transport */
260 NULL, /* host_list */
261 NULL, /* host_used */
262 NULL, /* fallback_hosts */
263 NULL, /* reply */
264 NULL, /* retries */
265 NULL, /* address */
266 NULL, /* unique */
267 NULL, /* cc_local_part */
268 NULL, /* lc_local_part */
269 NULL, /* local_part */
270 NULL, /* prefix */
271 NULL, /* suffix */
272 NULL, /* domain */
273 NULL, /* address_retry_key */
274 NULL, /* domain_retry_key */
275 NULL, /* current_dir */
276 NULL, /* home_dir */
277 NULL, /* message */
278 NULL, /* user_message */
279 NULL, /* onetime_parent */
280 NULL, /* pipe_expandn */
281 NULL, /* return_filename */
282 NULL, /* self_hostname */
283 NULL, /* shadow_message */
284 #ifdef SUPPORT_TLS
285 NULL, /* cipher */
286 NULL, /* peerdn */
287 #endif
288 (uid_t)(-1), /* uid */
289 (gid_t)(-1), /* gid */
290 0, /* flags */
291 { 0 }, /* domain_cache - any larger array should be zeroed */
292 { 0 }, /* localpart_cache - ditto */
293 -1, /* mode */
294 0, /* more_errno */
295 ERRNO_UNKNOWNERROR, /* basic_errno */
296 0, /* child_count */
297 -1, /* return_file */
298 SPECIAL_NONE, /* special_action */
299 DEFER, /* transport_return */
300 { /* fields that are propagated to children */
301 NULL, /* address_data */
302 NULL, /* domain_data */
303 NULL, /* localpart_data */
304 NULL, /* errors_address */
305 NULL, /* extra_headers */
306 NULL, /* remove_headers */
307 #ifdef EXPERIMENTAL_SRS
308 NULL, /* srs_sender */
309 #endif
310 }
311 };
312
313 uschar *address_file = NULL;
314 uschar *address_pipe = NULL;
315 BOOL address_test_mode = FALSE;
316 tree_node *addresslist_anchor = NULL;
317 int addresslist_count = 0;
318 gid_t *admin_groups = NULL;
319 BOOL admin_user = FALSE;
320 BOOL allow_auth_unadvertised= FALSE;
321 BOOL allow_domain_literals = FALSE;
322 BOOL allow_mx_to_ip = FALSE;
323 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
324 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
325 BOOL allow_utf8_domains = FALSE;
326 uschar *authenticated_id = NULL;
327 uschar *authenticated_sender = NULL;
328 BOOL authentication_failed = FALSE;
329 auth_instance *auths = NULL;
330 uschar *auth_advertise_hosts = US"*";
331 auth_instance auth_defaults = {
332 NULL, /* chain pointer */
333 NULL, /* name */
334 NULL, /* info */
335 NULL, /* private options block pointer */
336 NULL, /* driver_name */
337 NULL, /* advertise_condition */
338 NULL, /* client_condition */
339 NULL, /* public_name */
340 NULL, /* set_id */
341 NULL, /* server_mail_auth_condition */
342 NULL, /* server_debug_string */
343 NULL, /* server_condition */
344 FALSE, /* client */
345 FALSE, /* server */
346 FALSE /* advertised */
347 };
348
349 uschar *auth_defer_msg = US"reason not recorded";
350 uschar *auth_defer_user_msg = US"";
351 uschar *auth_vars[AUTH_VARS];
352 int auto_thaw = 0;
353 #ifdef WITH_CONTENT_SCAN
354 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
355 #endif
356
357 BOOL background_daemon = TRUE;
358
359 #if BASE_62 == 62
360 uschar *base62_chars=
361 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
362 #else
363 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
364 #endif
365
366 uschar *bi_command = NULL;
367 uschar *big_buffer = NULL;
368 int big_buffer_size = BIG_BUFFER_SIZE;
369 #ifdef EXPERIMENTAL_BRIGHTMAIL
370 uschar *bmi_alt_location = NULL;
371 uschar *bmi_base64_tracker_verdict = NULL;
372 uschar *bmi_base64_verdict = NULL;
373 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
374 int bmi_deliver = 1;
375 int bmi_run = 0;
376 uschar *bmi_verdicts = NULL;
377 #endif
378 int body_linecount = 0;
379 int body_zerocount = 0;
380 uschar *bounce_message_file = NULL;
381 uschar *bounce_message_text = NULL;
382 uschar *bounce_recipient = NULL;
383 BOOL bounce_return_body = TRUE;
384 BOOL bounce_return_message = TRUE;
385 int bounce_return_size_limit = 100*1024;
386 uschar *bounce_sender_authentication = NULL;
387 int bsmtp_transaction_linecount = 0;
388
389 int callout_cache_domain_positive_expire = 7*24*60*60;
390 int callout_cache_domain_negative_expire = 3*60*60;
391 int callout_cache_positive_expire = 24*60*60;
392 int callout_cache_negative_expire = 2*60*60;
393 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
394 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
395 int check_log_inodes = 0;
396 int check_log_space = 0;
397 BOOL check_rfc2047_length = TRUE;
398 int check_spool_inodes = 0;
399 int check_spool_space = 0;
400 int clmacro_count = 0;
401 uschar *clmacros[MAX_CLMACROS];
402 BOOL config_changed = FALSE;
403 FILE *config_file = NULL;
404 uschar *config_filename = NULL;
405 int config_lineno = 0;
406 #ifdef CONFIGURE_GROUP
407 gid_t config_gid = CONFIGURE_GROUP;
408 #endif
409 uschar *config_main_filelist = US CONFIGURE_FILE
410 "\0<-----------Space to patch configure_filename->";
411 uschar *config_main_filename = NULL;
412
413 #ifdef CONFIGURE_OWNER
414 uid_t config_uid = CONFIGURE_OWNER;
415 #endif
416
417 int connection_max_messages= -1;
418 uschar *continue_hostname = NULL;
419 uschar *continue_host_address = NULL;
420 BOOL continue_more = FALSE;
421 int continue_sequence = 1;
422 uschar *continue_transport = NULL;
423
424 uschar *csa_status = NULL;
425
426 BOOL daemon_listen = FALSE;
427 uschar *daemon_smtp_port = US"smtp";
428 int daemon_startup_retries = 9;
429 int daemon_startup_sleep = 30;
430 BOOL debug_daemon = FALSE;
431 int debug_fd = -1;
432 FILE *debug_file = NULL;
433 bit_table debug_options[] = {
434 { US"acl", D_acl },
435 { US"all", D_all },
436 { US"auth", D_auth },
437 { US"deliver", D_deliver },
438 { US"dns", D_dns },
439 { US"dnsbl", D_dnsbl },
440 { US"exec", D_exec },
441 { US"expand", D_expand },
442 { US"filter", D_filter },
443 { US"hints_lookup", D_hints_lookup },
444 { US"host_lookup", D_host_lookup },
445 { US"ident", D_ident },
446 { US"interface", D_interface },
447 { US"lists", D_lists },
448 { US"load", D_load },
449 { US"local_scan", D_local_scan },
450 { US"lookup", D_lookup },
451 { US"memory", D_memory },
452 { US"pid", D_pid },
453 { US"process_info", D_process_info },
454 { US"queue_run", D_queue_run },
455 { US"receive", D_receive },
456 { US"resolver", D_resolver },
457 { US"retry", D_retry },
458 { US"rewrite", D_rewrite },
459 { US"route", D_route },
460 { US"timestamp", D_timestamp },
461 { US"tls", D_tls },
462 { US"transport", D_transport },
463 { US"uid", D_uid },
464 { US"verify", D_verify }
465 };
466 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
467 unsigned int debug_selector = 0;
468 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
469 uschar *delay_warning_condition=
470 US"${if or {"
471 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
472 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
473 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
474 "} {no}{yes}}";
475 BOOL delivery_date_remove = TRUE;
476 uschar *deliver_address_data = NULL;
477 int deliver_datafile = -1;
478 uschar *deliver_domain = NULL;
479 uschar *deliver_domain_data = NULL;
480 uschar *deliver_domain_orig = NULL;
481 uschar *deliver_domain_parent = NULL;
482 BOOL deliver_drop_privilege = FALSE;
483 BOOL deliver_firsttime = FALSE;
484 BOOL deliver_force = FALSE;
485 BOOL deliver_freeze = FALSE;
486 int deliver_frozen_at = 0;
487 uschar *deliver_home = NULL;
488 uschar *deliver_host = NULL;
489 uschar *deliver_host_address = NULL;
490 uschar *deliver_in_buffer = NULL;
491 ino_t deliver_inode = 0;
492 uschar *deliver_localpart = NULL;
493 uschar *deliver_localpart_data = NULL;
494 uschar *deliver_localpart_orig = NULL;
495 uschar *deliver_localpart_parent = NULL;
496 uschar *deliver_localpart_prefix = NULL;
497 uschar *deliver_localpart_suffix = NULL;
498 BOOL deliver_force_thaw = FALSE;
499 BOOL deliver_manual_thaw = FALSE;
500 uschar *deliver_out_buffer = NULL;
501 int deliver_queue_load_max = -1;
502 address_item *deliver_recipients = NULL;
503 uschar *deliver_selectstring = NULL;
504 BOOL deliver_selectstring_regex = FALSE;
505 uschar *deliver_selectstring_sender = NULL;
506 BOOL deliver_selectstring_sender_regex = FALSE;
507 #ifdef WITH_OLD_DEMIME
508 int demime_errorlevel = 0;
509 int demime_ok = 0;
510 uschar *demime_reason = NULL;
511 #endif
512 BOOL disable_callout_flush = FALSE;
513 BOOL disable_delay_flush = FALSE;
514 #ifdef ENABLE_DISABLE_FSYNC
515 BOOL disable_fsync = FALSE;
516 #endif
517 BOOL disable_ipv6 = FALSE;
518 BOOL disable_logging = FALSE;
519
520 #ifdef EXPERIMENTAL_DOMAINKEYS
521 uschar *dk_signing_domain = NULL;
522 uschar *dk_signing_selector = NULL;
523 int dk_do_verify = 0;
524 #endif
525
526 #ifdef EXPERIMENTAL_DKIM
527 uschar *dkim_signing_domain = NULL;
528 uschar *dkim_signing_selector = NULL;
529 int dkim_do_verify = 0;
530 #endif
531
532 uschar *dns_again_means_nonexist = NULL;
533 int dns_csa_search_limit = 5;
534 BOOL dns_csa_use_reverse = TRUE;
535 uschar *dns_ipv4_lookup = NULL;
536 int dns_retrans = 0;
537 int dns_retry = 0;
538 uschar *dnslist_domain = NULL;
539 uschar *dnslist_matched = NULL;
540 uschar *dnslist_text = NULL;
541 uschar *dnslist_value = NULL;
542 tree_node *domainlist_anchor = NULL;
543 int domainlist_count = 0;
544 BOOL dont_deliver = FALSE;
545 BOOL dot_ends = TRUE;
546 BOOL drop_cr = FALSE; /* No longer used */
547 uschar *dsn_from = US DEFAULT_DSN_FROM;
548
549 BOOL enable_dollar_recipients = FALSE;
550 BOOL envelope_to_remove = TRUE;
551 int errno_quota = ERRNO_QUOTA;
552 uschar *errors_copy = NULL;
553 int error_handling = ERRORS_SENDER;
554 uschar *errors_reply_to = NULL;
555 int errors_sender_rc = EXIT_FAILURE;
556
557 gid_t exim_gid = EXIM_GID;
558 BOOL exim_gid_set = TRUE; /* This gid is always set */
559 uschar *exim_path = US BIN_DIRECTORY "/exim"
560 "\0<---------------Space to patch exim_path->";
561 uid_t exim_uid = EXIM_UID;
562 BOOL exim_uid_set = TRUE; /* This uid is always set */
563 int expand_forbid = 0;
564 int expand_nlength[EXPAND_MAXN+1];
565 int expand_nmax = -1;
566 uschar *expand_nstring[EXPAND_MAXN+1];
567 BOOL expand_string_forcedfail = FALSE;
568 uschar *expand_string_message;
569 BOOL extract_addresses_remove_arguments = TRUE;
570 uschar *extra_local_interfaces = NULL;
571
572 int fake_response = OK;
573 uschar *fake_response_text = US"Your message has been rejected but is "
574 "being kept for evaluation.\nIf it was a "
575 "legitimate message, it may still be "
576 "delivered to the target recipient(s).";
577 int filter_n[FILTER_VARIABLE_COUNT];
578 BOOL filter_running = FALSE;
579 int filter_sn[FILTER_VARIABLE_COUNT];
580 int filter_test = FTEST_NONE;
581 uschar *filter_test_sfile = NULL;
582 uschar *filter_test_ufile = NULL;
583 uschar *filter_thisaddress = NULL;
584 int finduser_retries = 0;
585 #ifdef WITH_OLD_DEMIME
586 uschar *found_extension = NULL;
587 #endif
588 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
589 uschar *freeze_tell = NULL;
590 uschar *freeze_tell_config = NULL;
591 uschar *fudged_queue_times = US"";
592
593 uschar *gecos_name = NULL;
594 uschar *gecos_pattern = NULL;
595 rewrite_rule *global_rewrite_rules = NULL;
596
597 uschar *headers_charset = US HEADERS_CHARSET;
598 int header_insert_maxlen = 64 * 1024;
599 header_line *header_last = NULL;
600 header_line *header_list = NULL;
601 int header_maxsize = HEADER_MAXSIZE;
602 int header_line_maxsize = 0;
603
604 header_name header_names[] = {
605 { US"bcc", 3, TRUE, htype_bcc },
606 { US"cc", 2, TRUE, htype_cc },
607 { US"date", 4, TRUE, htype_date },
608 { US"delivery-date", 13, FALSE, htype_delivery_date },
609 { US"envelope-to", 11, FALSE, htype_envelope_to },
610 { US"from", 4, TRUE, htype_from },
611 { US"message-id", 10, TRUE, htype_id },
612 { US"received", 8, FALSE, htype_received },
613 { US"reply-to", 8, FALSE, htype_reply_to },
614 { US"return-path", 11, FALSE, htype_return_path },
615 { US"sender", 6, TRUE, htype_sender },
616 { US"subject", 7, FALSE, htype_subject },
617 { US"to", 2, TRUE, htype_to }
618 };
619
620 int header_names_size = sizeof(header_names)/sizeof(header_name);
621
622 BOOL header_rewritten = FALSE;
623 uschar *helo_accept_junk_hosts = NULL;
624 uschar *helo_allow_chars = US"";
625 uschar *helo_lookup_domains = US"@ : @[]";
626 uschar *helo_try_verify_hosts = NULL;
627 BOOL helo_verified = FALSE;
628 BOOL helo_verify_failed = FALSE;
629 uschar *helo_verify_hosts = NULL;
630 uschar *hex_digits = US"0123456789abcdef";
631 uschar *hold_domains = NULL;
632 BOOL host_checking = FALSE;
633 BOOL host_checking_callout = FALSE;
634 uschar *host_data = NULL;
635 BOOL host_find_failed_syntax= FALSE;
636 uschar *host_lookup = NULL;
637 BOOL host_lookup_deferred = FALSE;
638 BOOL host_lookup_failed = FALSE;
639 uschar *host_lookup_order = US"bydns:byaddr";
640 uschar *host_lookup_msg = US"";
641 int host_number = 0;
642 uschar *host_number_string = NULL;
643 uschar *host_reject_connection = NULL;
644 tree_node *hostlist_anchor = NULL;
645 int hostlist_count = 0;
646 uschar *hosts_treat_as_local = NULL;
647 uschar *hosts_connection_nolog = NULL;
648
649 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
650 BOOL ignore_fromline_local = FALSE;
651 uschar *ignore_fromline_hosts = NULL;
652 uschar *interface_address = NULL;
653 int interface_port = -1;
654 BOOL is_inetd = FALSE;
655 uschar *iterate_item = NULL;
656
657 int journal_fd = -1;
658
659 int keep_malformed = 4*24*60*60; /* 4 days */
660
661 uschar *eldap_dn = NULL;
662 int load_average = -2;
663 BOOL local_error_message = FALSE;
664 BOOL local_from_check = TRUE;
665 uschar *local_from_prefix = NULL;
666 uschar *local_from_suffix = NULL;
667
668 #if HAVE_IPV6
669 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
670 #else
671 uschar *local_interfaces = US"0.0.0.0";
672 #endif
673
674 uschar *local_scan_data = NULL;
675 int local_scan_timeout = 5*60;
676 BOOL local_sender_retain = FALSE;
677 gid_t local_user_gid = (gid_t)(-1);
678 uid_t local_user_uid = (uid_t)(-1);
679
680 tree_node *localpartlist_anchor= NULL;
681 int localpartlist_count = 0;
682 uschar *log_buffer = NULL;
683 unsigned int log_extra_selector = LX_default;
684 uschar *log_file_path = US LOG_FILE_PATH
685 "\0<--------------Space to patch log_file_path->";
686
687 /* Those log options with L_xxx identifiers have values less than 0x800000 and
688 are the ones that get put into log_write_selector. They can be used in calls to
689 log_write() to test for the bit. The options with LX_xxx identifiers have
690 values greater than 0x80000000 and are put int log_extra_selector (without the
691 top bit). They are never used in calls to log_write(), but are tested
692 independently. This separation became necessary when the number of log
693 selectors was getting close to filling a 32-bit word. */
694
695 /* Note that this list must be in alphabetical order. */
696
697 bit_table log_options[] = {
698 { US"acl_warn_skipped", LX_acl_warn_skipped },
699 { US"address_rewrite", L_address_rewrite },
700 { US"all", L_all },
701 { US"all_parents", L_all_parents },
702 { US"arguments", LX_arguments },
703 { US"connection_reject", L_connection_reject },
704 { US"delay_delivery", L_delay_delivery },
705 { US"deliver_time", LX_deliver_time },
706 { US"delivery_size", LX_delivery_size },
707 { US"dnslist_defer", L_dnslist_defer },
708 { US"etrn", L_etrn },
709 { US"host_lookup_failed", L_host_lookup_failed },
710 { US"ident_timeout", LX_ident_timeout },
711 { US"incoming_interface", LX_incoming_interface },
712 { US"incoming_port", LX_incoming_port },
713 { US"lost_incoming_connection", L_lost_incoming_connection },
714 { US"outgoing_port", LX_outgoing_port },
715 { US"pid", LX_pid },
716 { US"queue_run", L_queue_run },
717 { US"queue_time", LX_queue_time },
718 { US"queue_time_overall", LX_queue_time_overall },
719 { US"received_recipients", LX_received_recipients },
720 { US"received_sender", LX_received_sender },
721 { US"rejected_header", LX_rejected_header },
722 { US"rejected_headers", LX_rejected_header },
723 { US"retry_defer", L_retry_defer },
724 { US"return_path_on_delivery", LX_return_path_on_delivery },
725 { US"sender_on_delivery", LX_sender_on_delivery },
726 { US"sender_verify_fail", LX_sender_verify_fail },
727 { US"size_reject", L_size_reject },
728 { US"skip_delivery", L_skip_delivery },
729 { US"smtp_confirmation", LX_smtp_confirmation },
730 { US"smtp_connection", L_smtp_connection },
731 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
732 { US"smtp_no_mail", LX_smtp_no_mail },
733 { US"smtp_protocol_error", L_smtp_protocol_error },
734 { US"smtp_syntax_error", L_smtp_syntax_error },
735 { US"subject", LX_subject },
736 { US"tls_certificate_verified", LX_tls_certificate_verified },
737 { US"tls_cipher", LX_tls_cipher },
738 { US"tls_peerdn", LX_tls_peerdn },
739 { US"unknown_in_list", LX_unknown_in_list }
740 };
741
742 int log_options_count = sizeof(log_options)/sizeof(bit_table);
743 int log_reject_target = 0;
744 uschar *log_selector_string = NULL;
745 FILE *log_stderr = NULL;
746 BOOL log_testing_mode = FALSE;
747 BOOL log_timezone = FALSE;
748 unsigned int log_write_selector= L_default;
749 uschar *login_sender_address = NULL;
750 int lookup_open_max = 25;
751 uschar *lookup_value = NULL;
752
753 macro_item *macros = NULL;
754 uschar *mailstore_basename = NULL;
755 #ifdef WITH_CONTENT_SCAN
756 uschar *malware_name = NULL; /* Virus Name */
757 #endif
758 int max_received_linelength= 0;
759 int max_username_length = 0;
760 int message_age = 0;
761 uschar *message_body = NULL;
762 uschar *message_body_end = NULL;
763 BOOL message_body_newlines = FALSE;
764 int message_body_size = 0;
765 int message_body_visible = 500;
766 int message_ended = END_NOTSTARTED;
767 uschar *message_headers = NULL;
768 uschar *message_id;
769 uschar *message_id_domain = NULL;
770 uschar *message_id_text = NULL;
771 struct timeval message_id_tv = { 0, 0 };
772 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
773 uschar *message_id_external;
774 int message_linecount = 0;
775 BOOL message_logs = TRUE;
776 int message_size = 0;
777 uschar *message_size_limit = US"50M";
778 uschar message_subdir[2] = { 0, 0 };
779 uschar *message_reference = NULL;
780
781 /* MIME ACL expandables */
782 #ifdef WITH_CONTENT_SCAN
783 int mime_anomaly_level = 0;
784 uschar *mime_anomaly_text = NULL;
785 uschar *mime_boundary = NULL;
786 uschar *mime_charset = NULL;
787 uschar *mime_content_description = NULL;
788 uschar *mime_content_disposition = NULL;
789 uschar *mime_content_id = NULL;
790 unsigned int mime_content_size = 0;
791 uschar *mime_content_transfer_encoding = NULL;
792 uschar *mime_content_type = NULL;
793 uschar *mime_decoded_filename = NULL;
794 uschar *mime_filename = NULL;
795 int mime_is_multipart = 0;
796 int mime_is_coverletter = 0;
797 int mime_is_rfc822 = 0;
798 int mime_part_count = -1;
799 #endif
800
801 BOOL mua_wrapper = FALSE;
802
803 uid_t *never_users = NULL;
804 #ifdef WITH_CONTENT_SCAN
805 BOOL no_mbox_unspool = FALSE;
806 #endif
807 BOOL no_multiline_responses = FALSE;
808
809 uid_t original_euid;
810 gid_t originator_gid;
811 uschar *originator_login = NULL;
812 uschar *originator_name = NULL;
813 uid_t originator_uid;
814 uschar *override_local_interfaces = NULL;
815 uschar *override_pid_file_path = NULL;
816
817 BOOL parse_allow_group = FALSE;
818 BOOL parse_found_group = FALSE;
819 uschar *percent_hack_domains = NULL;
820 uschar *pid_file_path = US PID_FILE_PATH
821 "\0<--------------Space to patch pid_file_path->";
822 BOOL pipelining_enable = TRUE;
823 uschar *pipelining_advertise_hosts = US"*";
824 BOOL preserve_message_logs = FALSE;
825 uschar *primary_hostname = NULL;
826 BOOL print_topbitchars = FALSE;
827 uschar process_info[PROCESS_INFO_SIZE];
828 uschar *process_log_path = NULL;
829 BOOL prod_requires_admin = TRUE;
830 uschar *prvscheck_address = NULL;
831 uschar *prvscheck_keynum = NULL;
832 uschar *prvscheck_result = NULL;
833
834
835 uschar *qualify_domain_recipient = NULL;
836 uschar *qualify_domain_sender = NULL;
837 BOOL queue_2stage = FALSE;
838 uschar *queue_domains = NULL;
839 int queue_interval = -1;
840 BOOL queue_list_requires_admin = TRUE;
841 BOOL queue_only = FALSE;
842 uschar *queue_only_file = NULL;
843 int queue_only_load = -1;
844 BOOL queue_only_load_latch = TRUE;
845 BOOL queue_only_override = TRUE;
846 BOOL queue_only_policy = FALSE;
847 BOOL queue_run_first_delivery = FALSE;
848 BOOL queue_run_force = FALSE;
849 BOOL queue_run_in_order = FALSE;
850 BOOL queue_run_local = FALSE;
851 int queue_run_max = 5;
852 pid_t queue_run_pid = (pid_t)0;
853 int queue_run_pipe = -1;
854 BOOL queue_running = FALSE;
855 BOOL queue_smtp = FALSE;
856 uschar *queue_smtp_domains = NULL;
857
858 unsigned int random_seed = 0;
859 tree_node *ratelimiters_cmd = NULL;
860 tree_node *ratelimiters_conn = NULL;
861 tree_node *ratelimiters_mail = NULL;
862 uschar *raw_active_hostname = NULL;
863 uschar *raw_sender = NULL;
864 uschar **raw_recipients = NULL;
865 int raw_recipients_count = 0;
866
867 int rcpt_count = 0;
868 int rcpt_fail_count = 0;
869 int rcpt_defer_count = 0;
870 gid_t real_gid;
871 uid_t real_uid;
872 BOOL really_exim = TRUE;
873 BOOL receive_call_bombout = FALSE;
874 int receive_linecount = 0;
875 int receive_messagecount = 0;
876 int receive_timeout = 0;
877 int received_count = 0;
878 uschar *received_for = NULL;
879
880 /* This is the default text for Received headers generated by Exim. The
881 date will be automatically added on the end. */
882
883 uschar *received_header_text = US
884 "Received: "
885 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
886 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
887 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
888 "by $primary_hostname "
889 "${if def:received_protocol {with $received_protocol}} "
890 #ifdef SUPPORT_TLS
891 "${if def:tls_cipher {($tls_cipher)\n\t}}"
892 #endif
893 "(Exim $version_number)\n\t"
894 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
895 "id $message_exim_id"
896 "${if def:received_for {\n\tfor $received_for}}"
897 "\0<---------------Space to patch received_header_text->";
898
899 int received_headers_max = 30;
900 uschar *received_protocol = NULL;
901 int received_time = 0;
902 uschar *recipient_data = NULL;
903 uschar *recipient_unqualified_hosts = NULL;
904 uschar *recipient_verify_failure = NULL;
905 int recipients_count = 0;
906 BOOL recipients_discarded = FALSE;
907 recipient_item *recipients_list = NULL;
908 int recipients_list_max = 0;
909 int recipients_max = 0;
910 BOOL recipients_max_reject = FALSE;
911 const pcre *regex_AUTH = NULL;
912 const pcre *regex_check_dns_names = NULL;
913 const pcre *regex_From = NULL;
914 const pcre *regex_IGNOREQUOTA = NULL;
915 const pcre *regex_PIPELINING = NULL;
916 const pcre *regex_SIZE = NULL;
917 const pcre *regex_smtp_code = NULL;
918 const pcre *regex_ismsgid = NULL;
919 #ifdef WITH_CONTENT_SCAN
920 uschar *regex_match_string = NULL;
921 #endif
922 int remote_delivery_count = 0;
923 int remote_max_parallel = 2;
924 uschar *remote_sort_domains = NULL;
925 int retry_data_expire = 7*24*60*60;
926 int retry_interval_max = 24*60*60;
927 int retry_maximum_timeout = 0; /* set from retry config */
928 retry_config *retries = NULL;
929 uschar *return_path = NULL;
930 BOOL return_path_remove = TRUE;
931 int rewrite_existflags = 0;
932 uschar *rfc1413_hosts = US"*";
933 int rfc1413_query_timeout = 5;
934 /* BOOL rfc821_domains = FALSE; <<< on the way out */
935 uid_t root_uid = ROOT_UID;
936
937 router_instance *routers = NULL;
938 router_instance router_defaults = {
939 NULL, /* chain pointer */
940 NULL, /* name */
941 NULL, /* info */
942 NULL, /* private options block pointer */
943 NULL, /* driver name */
944
945 NULL, /* address_data */
946 #ifdef EXPERIMENTAL_BRIGHTMAIL
947 NULL, /* bmi_rule */
948 #endif
949 NULL, /* cannot_route_message */
950 NULL, /* condition */
951 NULL, /* current_directory */
952 NULL, /* debug_string */
953 NULL, /* domains */
954 NULL, /* errors_to */
955 NULL, /* expand_gid */
956 NULL, /* expand_uid */
957 NULL, /* expand_more */
958 NULL, /* expand_unseen */
959 NULL, /* extra_headers */
960 NULL, /* fallback_hosts */
961 NULL, /* home_directory */
962 NULL, /* ignore_target_hosts */
963 NULL, /* local_parts */
964 NULL, /* pass_router_name */
965 NULL, /* prefix */
966 NULL, /* redirect_router_name */
967 NULL, /* remove_headers */
968 NULL, /* require_files */
969 NULL, /* router_home_directory */
970 US"freeze", /* self */
971 NULL, /* senders */
972 NULL, /* suffix */
973 NULL, /* translate_ip_address */
974 NULL, /* transport_name */
975
976 TRUE, /* address_test */
977 #ifdef EXPERIMENTAL_BRIGHTMAIL
978 FALSE, /* bmi_deliver_alternate */
979 FALSE, /* bmi_deliver_default */
980 FALSE, /* bmi_dont_deliver */
981 #endif
982 TRUE, /* expn */
983 FALSE, /* caseful_local_part */
984 FALSE, /* check_local_user */
985 FALSE, /* disable_logging */
986 FALSE, /* fail_verify_recipient */
987 FALSE, /* fail_verify_sender */
988 FALSE, /* gid_set */
989 FALSE, /* initgroups */
990 TRUE_UNSET, /* log_as_local */
991 TRUE, /* more */
992 FALSE, /* pass_on_timeout */
993 FALSE, /* prefix_optional */
994 TRUE, /* repeat_use */
995 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
996 FALSE, /* same_domain_copy_routing */
997 FALSE, /* self_rewrite */
998 FALSE, /* suffix_optional */
999 FALSE, /* verify_only */
1000 TRUE, /* verify_recipient */
1001 TRUE, /* verify_sender */
1002 FALSE, /* uid_set */
1003 FALSE, /* unseen */
1004
1005 self_freeze, /* self_code */
1006 (uid_t)(-1), /* uid */
1007 (gid_t)(-1), /* gid */
1008
1009 NULL, /* fallback_hostlist */
1010 NULL, /* transport instance */
1011 NULL, /* pass_router */
1012 NULL /* redirect_router */
1013 };
1014
1015 ip_address_item *running_interfaces = NULL;
1016 BOOL running_in_test_harness = FALSE;
1017
1018 /* This is a weird one. The following string gets patched in the binary by the
1019 script that sets up a copy of Exim for running in the test harness. It seems
1020 that compilers are now clever, and share constant strings if they can.
1021 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1022 make use of the end of this string in order to save space. So the patching then
1023 wrecks this. We defeat this optimization by adding some additional characters
1024 onto the end of the string. */
1025
1026 uschar *running_status = US">>>running<<<" "\0EXTRA";
1027
1028 int runrc = 0;
1029
1030 uschar *search_error_message = NULL;
1031 BOOL search_find_defer = FALSE;
1032 uschar *self_hostname = NULL;
1033 uschar *sender_address = NULL;
1034 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1035 uschar *sender_address_data = NULL;
1036 BOOL sender_address_forced = FALSE;
1037 uschar *sender_address_unrewritten = NULL;
1038 uschar *sender_data = NULL;
1039 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1040 uschar *sender_fullhost = NULL;
1041 uschar *sender_helo_name = NULL;
1042 uschar **sender_host_aliases = &no_aliases;
1043 uschar *sender_host_address = NULL;
1044 uschar *sender_host_authenticated = NULL;
1045 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1046 uschar *sender_host_name = NULL;
1047 int sender_host_port = 0;
1048 BOOL sender_host_notsocket = FALSE;
1049 BOOL sender_host_unknown = FALSE;
1050 uschar *sender_ident = NULL;
1051 BOOL sender_local = FALSE;
1052 BOOL sender_name_forced = FALSE;
1053 uschar *sender_rate = NULL;
1054 uschar *sender_rate_limit = NULL;
1055 uschar *sender_rate_period = NULL;
1056 uschar *sender_rcvhost = NULL;
1057 BOOL sender_set_untrusted = FALSE;
1058 uschar *sender_unqualified_hosts = NULL;
1059 uschar *sender_verify_failure = NULL;
1060 address_item *sender_verified_list = NULL;
1061 address_item *sender_verified_failed = NULL;
1062 int sender_verified_rc = -1;
1063 BOOL sender_verified_responded = FALSE;
1064 uschar *sending_ip_address = NULL;
1065 int sending_port = -1;
1066 volatile BOOL sigalrm_seen = FALSE;
1067 uschar **sighup_argv = NULL;
1068 int smtp_accept_count = 0;
1069 BOOL smtp_accept_keepalive = TRUE;
1070 int smtp_accept_max = 20;
1071 int smtp_accept_max_nonmail= 10;
1072 uschar *smtp_accept_max_nonmail_hosts = US"*";
1073 int smtp_accept_max_per_connection = 1000;
1074 uschar *smtp_accept_max_per_host = NULL;
1075 int smtp_accept_queue = 0;
1076 int smtp_accept_queue_per_connection = 10;
1077 int smtp_accept_reserve = 0;
1078 uschar *smtp_active_hostname = NULL;
1079 BOOL smtp_authenticated = FALSE;
1080 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1081 "Exim $version_number $tod_full"
1082 "\0<---------------Space to patch smtp_banner->";
1083 BOOL smtp_batched_input = FALSE;
1084 BOOL smtp_check_spool_space = TRUE;
1085 int smtp_ch_index = 0;
1086 uschar *smtp_cmd_argument = NULL;
1087 uschar *smtp_cmd_buffer = NULL;
1088 time_t smtp_connection_start = 0;
1089 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1090 int smtp_connect_backlog = 20;
1091 double smtp_delay_mail = 0.0;
1092 double smtp_delay_rcpt = 0.0;
1093 BOOL smtp_enforce_sync = TRUE;
1094 FILE *smtp_in = NULL;
1095 BOOL smtp_input = FALSE;
1096 int smtp_load_reserve = -1;
1097 int smtp_mailcmd_count = 0;
1098 FILE *smtp_out = NULL;
1099 uschar *smtp_etrn_command = NULL;
1100 BOOL smtp_etrn_serialize = TRUE;
1101 int smtp_max_synprot_errors= 3;
1102 int smtp_max_unknown_commands = 3;
1103 uschar *smtp_notquit_reason = NULL;
1104 uschar *smtp_ratelimit_hosts = NULL;
1105 uschar *smtp_ratelimit_mail = NULL;
1106 uschar *smtp_ratelimit_rcpt = NULL;
1107 uschar *smtp_read_error = US"";
1108 int smtp_receive_timeout = 5*60;
1109 uschar *smtp_reserve_hosts = NULL;
1110 BOOL smtp_return_error_details = FALSE;
1111 int smtp_rlm_base = 0;
1112 double smtp_rlm_factor = 0.0;
1113 int smtp_rlm_limit = 0;
1114 int smtp_rlm_threshold = INT_MAX;
1115 int smtp_rlr_base = 0;
1116 double smtp_rlr_factor = 0.0;
1117 int smtp_rlr_limit = 0;
1118 int smtp_rlr_threshold = INT_MAX;
1119 BOOL smtp_use_pipelining = FALSE;
1120 BOOL smtp_use_size = FALSE;
1121
1122 #ifdef WITH_CONTENT_SCAN
1123 uschar *spamd_address = US"127.0.0.1 783";
1124 uschar *spam_bar = NULL;
1125 uschar *spam_report = NULL;
1126 uschar *spam_score = NULL;
1127 uschar *spam_score_int = NULL;
1128 #endif
1129 #ifdef EXPERIMENTAL_SPF
1130 uschar *spf_header_comment = NULL;
1131 uschar *spf_received = NULL;
1132 uschar *spf_result = NULL;
1133 uschar *spf_smtp_comment = NULL;
1134 #endif
1135
1136 BOOL split_spool_directory = FALSE;
1137 uschar *spool_directory = US SPOOL_DIRECTORY
1138 "\0<--------------Space to patch spool_directory->";
1139 #ifdef EXPERIMENTAL_SRS
1140 uschar *srs_config = NULL;
1141 uschar *srs_db_address = NULL;
1142 uschar *srs_db_key = NULL;
1143 int srs_hashlength = 6;
1144 int srs_hashmin = -1;
1145 int srs_maxage = 31;
1146 uschar *srs_orig_recipient = NULL;
1147 uschar *srs_orig_sender = NULL;
1148 uschar *srs_recipient = NULL;
1149 uschar *srs_secrets = NULL;
1150 uschar *srs_status = NULL;
1151 BOOL srs_usehash = TRUE;
1152 BOOL srs_usetimestamp = TRUE;
1153 #endif
1154 BOOL strict_acl_vars = FALSE;
1155 int string_datestamp_offset= -1;
1156 BOOL strip_excess_angle_brackets = FALSE;
1157 BOOL strip_trailing_dot = FALSE;
1158 uschar *submission_domain = NULL;
1159 BOOL submission_mode = FALSE;
1160 uschar *submission_name = NULL;
1161 BOOL suppress_local_fixups = FALSE;
1162 BOOL synchronous_delivery = FALSE;
1163 BOOL syslog_duplication = TRUE;
1164 int syslog_facility = LOG_MAIL;
1165 uschar *syslog_processname = US"exim";
1166 BOOL syslog_timestamp = TRUE;
1167 uschar *system_filter = NULL;
1168
1169 uschar *system_filter_directory_transport = NULL;
1170 uschar *system_filter_file_transport = NULL;
1171 uschar *system_filter_pipe_transport = NULL;
1172 uschar *system_filter_reply_transport = NULL;
1173
1174 gid_t system_filter_gid = 0;
1175 BOOL system_filter_gid_set = FALSE;
1176 uid_t system_filter_uid = 0;
1177 BOOL system_filter_uid_set = FALSE;
1178 BOOL system_filtering = FALSE;
1179
1180 BOOL tcp_nodelay = TRUE;
1181 int test_harness_load_avg = 0;
1182 int thismessage_size_limit = 0;
1183 int timeout_frozen_after = 0;
1184 BOOL timestamps_utc = FALSE;
1185
1186 transport_instance *transports = NULL;
1187
1188 transport_instance transport_defaults = {
1189 NULL, /* chain pointer */
1190 NULL, /* name */
1191 NULL, /* info */
1192 NULL, /* private options block pointer */
1193 NULL, /* driver name */
1194 NULL, /* setup entry point */
1195 1, /* batch_max */
1196 NULL, /* batch_id */
1197 NULL, /* home_dir */
1198 NULL, /* current_dir */
1199 TRUE, /* multi-domain */
1200 FALSE, /* overrides_hosts */
1201 100, /* max_addresses */
1202 500, /* connection_max_messages */
1203 FALSE, /* deliver_as_creator */
1204 FALSE, /* disable_logging */
1205 FALSE, /* initgroups */
1206 FALSE, /* uid_set */
1207 FALSE, /* gid_set */
1208 (uid_t)(-1), /* uid */
1209 (gid_t)(-1), /* gid */
1210 NULL, /* expand_uid */
1211 NULL, /* expand_gid */
1212 NULL, /* warn_message */
1213 NULL, /* shadow */
1214 NULL, /* shadow_condition */
1215 NULL, /* filter_command */
1216 NULL, /* add_headers */
1217 NULL, /* remove_headers */
1218 NULL, /* return_path */
1219 NULL, /* debug_string */
1220 NULL, /* message_size_limit */
1221 NULL, /* headers_rewrite */
1222 NULL, /* rewrite_rules */
1223 0, /* rewrite_existflags */
1224 300, /* filter_timeout */
1225 FALSE, /* body_only */
1226 FALSE, /* delivery_date_add */
1227 FALSE, /* envelope_to_add */
1228 FALSE, /* headers_only */
1229 FALSE, /* rcpt_include_affixes */
1230 FALSE, /* return_path_add */
1231 FALSE, /* return_output */
1232 FALSE, /* return_fail_output */
1233 FALSE, /* log_output */
1234 FALSE, /* log_fail_output */
1235 FALSE, /* log_defer_output */
1236 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1237 1 nor 0 so can detect unset */
1238 };
1239
1240 int transport_count;
1241 uschar **transport_filter_argv = NULL;
1242 int transport_filter_timeout;
1243 BOOL transport_filter_timed_out = FALSE;
1244 int transport_write_timeout= 0;
1245
1246 tree_node *tree_dns_fails = NULL;
1247 tree_node *tree_duplicates = NULL;
1248 tree_node *tree_nonrecipients = NULL;
1249 tree_node *tree_unusable = NULL;
1250
1251 BOOL trusted_caller = FALSE;
1252 gid_t *trusted_groups = NULL;
1253 uid_t *trusted_users = NULL;
1254 uschar *timezone_string = US TIMEZONE_DEFAULT;
1255
1256 uschar *unknown_login = NULL;
1257 uschar *unknown_username = NULL;
1258 uschar *untrusted_set_sender = NULL;
1259
1260 /* A regex for matching a "From_" line in an incoming message, in the form
1261
1262 From ph10 Fri Jan 5 12:35 GMT 1996
1263
1264 which the "mail" commands send to the MTA (undocumented, of course), or in
1265 the form
1266
1267 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1268
1269 which is apparently used by some UUCPs, despite it not being in RFC 976.
1270 Because of variations in time formats, just match up to the minutes. That
1271 should be sufficient. Examples have been seen of time fields like 12:1:03,
1272 so just require one digit for hours and minutes. The weekday is also absent
1273 in some forms. */
1274
1275 uschar *uucp_from_pattern = US
1276 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1277 "(?:" /* Non-extracting bracket */
1278 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1279 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1280 ")" /* End alternation */
1281 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1282
1283 uschar *uucp_from_sender = US"$1";
1284
1285 uschar *warn_message_file = NULL;
1286 uschar *warnmsg_delay = NULL;
1287 uschar *warnmsg_recipients = NULL;
1288 BOOL write_rejectlog = TRUE;
1289
1290 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1291 uschar *version_date = US"?";
1292 uschar *version_cnumber = US"????";
1293 uschar *version_string = US"?";
1294
1295 int warning_count = 0;
1296
1297 /* End of globals.c */
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