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[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.86 2009/11/16 19:50:37 nm4 Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2009 */
8 /* See the file NOTICE for conditions of use and distribution. */
9
10 /* All the global variables are defined together in this one module, so
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 BOOL gnutls_compat_mode = FALSE;
115 uschar *gnutls_require_mac = NULL;
116 uschar *gnutls_require_kx = NULL;
117 uschar *gnutls_require_proto = NULL;
118 const pcre *regex_STARTTLS = NULL;
119 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
120 uschar *tls_certificate = NULL;
121 uschar *tls_crl = NULL;
122 uschar *tls_dhparam = NULL;
123 BOOL tls_offered = FALSE;
124 uschar *tls_privatekey = NULL;
125 BOOL tls_remember_esmtp = FALSE;
126 uschar *tls_require_ciphers = NULL;
127 uschar *tls_try_verify_hosts = NULL;
128 uschar *tls_verify_certificates= NULL;
129 uschar *tls_verify_hosts = NULL;
130 #endif
131
132
133 /* Input-reading functions for messages, so we can use special ones for
134 incoming TCP/IP. The defaults use stdin. We never need these for any
135 stand-alone tests. */
136
137 #ifndef STAND_ALONE
138 int (*receive_getc)(void) = stdin_getc;
139 int (*receive_ungetc)(int) = stdin_ungetc;
140 int (*receive_feof)(void) = stdin_feof;
141 int (*receive_ferror)(void) = stdin_ferror;
142 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
143 #endif
144
145
146 /* List of per-address expansion variables for clearing and saving/restoring
147 when verifying one address while routing/verifying another. We have to have
148 the size explicit, because it is referenced from more than one module. */
149
150 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
151 &deliver_address_data,
152 &deliver_domain,
153 &deliver_domain_data,
154 &deliver_domain_orig,
155 &deliver_domain_parent,
156 &deliver_localpart,
157 &deliver_localpart_data,
158 &deliver_localpart_orig,
159 &deliver_localpart_parent,
160 &deliver_localpart_prefix,
161 &deliver_localpart_suffix,
162 (uschar **)(&deliver_recipients),
163 &deliver_host,
164 &deliver_home,
165 &address_file,
166 &address_pipe,
167 &self_hostname,
168 NULL };
169
170 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
171
172 /* General global variables */
173
174 header_line *acl_added_headers = NULL;
175 tree_node *acl_anchor = NULL;
176
177 uschar *acl_not_smtp = NULL;
178 #ifdef WITH_CONTENT_SCAN
179 uschar *acl_not_smtp_mime = NULL;
180 #endif
181 uschar *acl_not_smtp_start = NULL;
182
183 uschar *acl_smtp_auth = NULL;
184 uschar *acl_smtp_connect = NULL;
185 uschar *acl_smtp_data = NULL;
186 #ifndef DISABLE_DKIM
187 uschar *acl_smtp_dkim = NULL;
188 #endif
189 uschar *acl_smtp_etrn = NULL;
190 uschar *acl_smtp_expn = NULL;
191 uschar *acl_smtp_helo = NULL;
192 uschar *acl_smtp_mail = NULL;
193 uschar *acl_smtp_mailauth = NULL;
194 #ifdef WITH_CONTENT_SCAN
195 uschar *acl_smtp_mime = NULL;
196 #endif
197 uschar *acl_smtp_notquit = NULL;
198 uschar *acl_smtp_predata = NULL;
199 uschar *acl_smtp_quit = NULL;
200 uschar *acl_smtp_rcpt = NULL;
201 uschar *acl_smtp_starttls = NULL;
202 uschar *acl_smtp_vrfy = NULL;
203
204 BOOL acl_temp_details = FALSE;
205 tree_node *acl_var_c = NULL;
206 tree_node *acl_var_m = NULL;
207 uschar *acl_verify_message = NULL;
208 string_item *acl_warn_logged = NULL;
209
210 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
211 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
212
213 uschar *acl_wherenames[] = { US"RCPT",
214 US"MAIL",
215 US"PREDATA",
216 US"MIME",
217 US"DKIM",
218 US"DATA",
219 US"non-SMTP",
220 US"AUTH",
221 US"connection",
222 US"ETRN",
223 US"EXPN",
224 US"EHLO or HELO",
225 US"MAILAUTH",
226 US"non-SMTP-start",
227 US"NOTQUIT",
228 US"QUIT",
229 US"STARTTLS",
230 US"VRFY"
231 };
232
233 uschar *acl_wherecodes[] = { US"550", /* RCPT */
234 US"550", /* MAIL */
235 US"550", /* PREDATA */
236 US"550", /* MIME */
237 US"550", /* DKIM */
238 US"550", /* DATA */
239 US"0", /* not SMTP; not relevant */
240 US"503", /* AUTH */
241 US"550", /* connect */
242 US"458", /* ETRN */
243 US"550", /* EXPN */
244 US"550", /* HELO/EHLO */
245 US"0", /* MAILAUTH; not relevant */
246 US"0", /* not SMTP; not relevant */
247 US"0", /* NOTQUIT; not relevant */
248 US"0", /* QUIT; not relevant */
249 US"550", /* STARTTLS */
250 US"252" /* VRFY */
251 };
252
253 BOOL active_local_from_check = FALSE;
254 BOOL active_local_sender_retain = FALSE;
255 BOOL accept_8bitmime = FALSE;
256 address_item *addr_duplicate = NULL;
257
258 address_item address_defaults = {
259 NULL, /* next */
260 NULL, /* parent */
261 NULL, /* first */
262 NULL, /* dupof */
263 NULL, /* start_router */
264 NULL, /* router */
265 NULL, /* transport */
266 NULL, /* host_list */
267 NULL, /* host_used */
268 NULL, /* fallback_hosts */
269 NULL, /* reply */
270 NULL, /* retries */
271 NULL, /* address */
272 NULL, /* unique */
273 NULL, /* cc_local_part */
274 NULL, /* lc_local_part */
275 NULL, /* local_part */
276 NULL, /* prefix */
277 NULL, /* suffix */
278 NULL, /* domain */
279 NULL, /* address_retry_key */
280 NULL, /* domain_retry_key */
281 NULL, /* current_dir */
282 NULL, /* home_dir */
283 NULL, /* message */
284 NULL, /* user_message */
285 NULL, /* onetime_parent */
286 NULL, /* pipe_expandn */
287 NULL, /* return_filename */
288 NULL, /* self_hostname */
289 NULL, /* shadow_message */
290 #ifdef SUPPORT_TLS
291 NULL, /* cipher */
292 NULL, /* peerdn */
293 #endif
294 (uid_t)(-1), /* uid */
295 (gid_t)(-1), /* gid */
296 0, /* flags */
297 { 0 }, /* domain_cache - any larger array should be zeroed */
298 { 0 }, /* localpart_cache - ditto */
299 -1, /* mode */
300 0, /* more_errno */
301 ERRNO_UNKNOWNERROR, /* basic_errno */
302 0, /* child_count */
303 -1, /* return_file */
304 SPECIAL_NONE, /* special_action */
305 DEFER, /* transport_return */
306 { /* fields that are propagated to children */
307 NULL, /* address_data */
308 NULL, /* domain_data */
309 NULL, /* localpart_data */
310 NULL, /* errors_address */
311 NULL, /* extra_headers */
312 NULL, /* remove_headers */
313 #ifdef EXPERIMENTAL_SRS
314 NULL, /* srs_sender */
315 #endif
316 }
317 };
318
319 uschar *address_file = NULL;
320 uschar *address_pipe = NULL;
321 BOOL address_test_mode = FALSE;
322 tree_node *addresslist_anchor = NULL;
323 int addresslist_count = 0;
324 gid_t *admin_groups = NULL;
325 BOOL admin_user = FALSE;
326 BOOL allow_auth_unadvertised= FALSE;
327 BOOL allow_domain_literals = FALSE;
328 BOOL allow_mx_to_ip = FALSE;
329 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
330 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
331 BOOL allow_utf8_domains = FALSE;
332 uschar *authenticated_id = NULL;
333 uschar *authenticated_sender = NULL;
334 BOOL authentication_failed = FALSE;
335 auth_instance *auths = NULL;
336 uschar *auth_advertise_hosts = US"*";
337 auth_instance auth_defaults = {
338 NULL, /* chain pointer */
339 NULL, /* name */
340 NULL, /* info */
341 NULL, /* private options block pointer */
342 NULL, /* driver_name */
343 NULL, /* advertise_condition */
344 NULL, /* client_condition */
345 NULL, /* public_name */
346 NULL, /* set_id */
347 NULL, /* server_mail_auth_condition */
348 NULL, /* server_debug_string */
349 NULL, /* server_condition */
350 FALSE, /* client */
351 FALSE, /* server */
352 FALSE /* advertised */
353 };
354
355 uschar *auth_defer_msg = US"reason not recorded";
356 uschar *auth_defer_user_msg = US"";
357 uschar *auth_vars[AUTH_VARS];
358 int auto_thaw = 0;
359 #ifdef WITH_CONTENT_SCAN
360 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
361 #endif
362
363 BOOL background_daemon = TRUE;
364
365 #if BASE_62 == 62
366 uschar *base62_chars=
367 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
368 #else
369 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
370 #endif
371
372 uschar *bi_command = NULL;
373 uschar *big_buffer = NULL;
374 int big_buffer_size = BIG_BUFFER_SIZE;
375 #ifdef EXPERIMENTAL_BRIGHTMAIL
376 uschar *bmi_alt_location = NULL;
377 uschar *bmi_base64_tracker_verdict = NULL;
378 uschar *bmi_base64_verdict = NULL;
379 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
380 int bmi_deliver = 1;
381 int bmi_run = 0;
382 uschar *bmi_verdicts = NULL;
383 #endif
384 int body_linecount = 0;
385 int body_zerocount = 0;
386 uschar *bounce_message_file = NULL;
387 uschar *bounce_message_text = NULL;
388 uschar *bounce_recipient = NULL;
389 BOOL bounce_return_body = TRUE;
390 BOOL bounce_return_message = TRUE;
391 int bounce_return_size_limit = 100*1024;
392 uschar *bounce_sender_authentication = NULL;
393 int bsmtp_transaction_linecount = 0;
394
395 int callout_cache_domain_positive_expire = 7*24*60*60;
396 int callout_cache_domain_negative_expire = 3*60*60;
397 int callout_cache_positive_expire = 24*60*60;
398 int callout_cache_negative_expire = 2*60*60;
399 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
400 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
401 int check_log_inodes = 0;
402 int check_log_space = 0;
403 BOOL check_rfc2047_length = TRUE;
404 int check_spool_inodes = 0;
405 int check_spool_space = 0;
406 int clmacro_count = 0;
407 uschar *clmacros[MAX_CLMACROS];
408 BOOL config_changed = FALSE;
409 FILE *config_file = NULL;
410 uschar *config_filename = NULL;
411 int config_lineno = 0;
412 #ifdef CONFIGURE_GROUP
413 gid_t config_gid = CONFIGURE_GROUP;
414 #endif
415 uschar *config_main_filelist = US CONFIGURE_FILE
416 "\0<-----------Space to patch configure_filename->";
417 uschar *config_main_filename = NULL;
418
419 #ifdef CONFIGURE_OWNER
420 uid_t config_uid = CONFIGURE_OWNER;
421 #endif
422
423 int connection_max_messages= -1;
424 uschar *continue_hostname = NULL;
425 uschar *continue_host_address = NULL;
426 BOOL continue_more = FALSE;
427 int continue_sequence = 1;
428 uschar *continue_transport = NULL;
429
430 uschar *csa_status = NULL;
431
432 BOOL daemon_listen = FALSE;
433 uschar *daemon_smtp_port = US"smtp";
434 int daemon_startup_retries = 9;
435 int daemon_startup_sleep = 30;
436
437 #ifdef EXPERIMENTAL_DCC
438 BOOL dcc_direct_add_header = FALSE;
439 uschar *dcc_header = NULL;
440 uschar *dcc_result = NULL;
441 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
442 uschar *dccifd_options = US"header";
443 #endif
444
445 BOOL debug_daemon = FALSE;
446 int debug_fd = -1;
447 FILE *debug_file = NULL;
448 bit_table debug_options[] = {
449 { US"acl", D_acl },
450 { US"all", D_all },
451 { US"auth", D_auth },
452 { US"deliver", D_deliver },
453 { US"dns", D_dns },
454 { US"dnsbl", D_dnsbl },
455 { US"exec", D_exec },
456 { US"expand", D_expand },
457 { US"filter", D_filter },
458 { US"hints_lookup", D_hints_lookup },
459 { US"host_lookup", D_host_lookup },
460 { US"ident", D_ident },
461 { US"interface", D_interface },
462 { US"lists", D_lists },
463 { US"load", D_load },
464 { US"local_scan", D_local_scan },
465 { US"lookup", D_lookup },
466 { US"memory", D_memory },
467 { US"pid", D_pid },
468 { US"process_info", D_process_info },
469 { US"queue_run", D_queue_run },
470 { US"receive", D_receive },
471 { US"resolver", D_resolver },
472 { US"retry", D_retry },
473 { US"rewrite", D_rewrite },
474 { US"route", D_route },
475 { US"timestamp", D_timestamp },
476 { US"tls", D_tls },
477 { US"transport", D_transport },
478 { US"uid", D_uid },
479 { US"verify", D_verify }
480 };
481 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
482 unsigned int debug_selector = 0;
483 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
484 uschar *delay_warning_condition=
485 US"${if or {"
486 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
487 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
488 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
489 "} {no}{yes}}";
490 BOOL delivery_date_remove = TRUE;
491 uschar *deliver_address_data = NULL;
492 int deliver_datafile = -1;
493 uschar *deliver_domain = NULL;
494 uschar *deliver_domain_data = NULL;
495 uschar *deliver_domain_orig = NULL;
496 uschar *deliver_domain_parent = NULL;
497 BOOL deliver_drop_privilege = FALSE;
498 BOOL deliver_firsttime = FALSE;
499 BOOL deliver_force = FALSE;
500 BOOL deliver_freeze = FALSE;
501 int deliver_frozen_at = 0;
502 uschar *deliver_home = NULL;
503 uschar *deliver_host = NULL;
504 uschar *deliver_host_address = NULL;
505 uschar *deliver_in_buffer = NULL;
506 ino_t deliver_inode = 0;
507 uschar *deliver_localpart = NULL;
508 uschar *deliver_localpart_data = NULL;
509 uschar *deliver_localpart_orig = NULL;
510 uschar *deliver_localpart_parent = NULL;
511 uschar *deliver_localpart_prefix = NULL;
512 uschar *deliver_localpart_suffix = NULL;
513 BOOL deliver_force_thaw = FALSE;
514 BOOL deliver_manual_thaw = FALSE;
515 uschar *deliver_out_buffer = NULL;
516 int deliver_queue_load_max = -1;
517 address_item *deliver_recipients = NULL;
518 uschar *deliver_selectstring = NULL;
519 BOOL deliver_selectstring_regex = FALSE;
520 uschar *deliver_selectstring_sender = NULL;
521 BOOL deliver_selectstring_sender_regex = FALSE;
522 #ifdef WITH_OLD_DEMIME
523 int demime_errorlevel = 0;
524 int demime_ok = 0;
525 uschar *demime_reason = NULL;
526 #endif
527 BOOL disable_callout_flush = FALSE;
528 BOOL disable_delay_flush = FALSE;
529 #ifdef ENABLE_DISABLE_FSYNC
530 BOOL disable_fsync = FALSE;
531 #endif
532 BOOL disable_ipv6 = FALSE;
533 BOOL disable_logging = FALSE;
534
535 #ifndef DISABLE_DKIM
536 uschar *dkim_cur_signer = NULL;
537 uschar *dkim_signers = NULL;
538 uschar *dkim_signing_domain = NULL;
539 uschar *dkim_signing_selector = NULL;
540 uschar *dkim_verify_signers = US"$dkim_signers";
541 BOOL dkim_collect_input = FALSE;
542 BOOL dkim_disable_verify = FALSE;
543 #endif
544
545 uschar *dns_again_means_nonexist = NULL;
546 int dns_csa_search_limit = 5;
547 BOOL dns_csa_use_reverse = TRUE;
548 uschar *dns_ipv4_lookup = NULL;
549 int dns_retrans = 0;
550 int dns_retry = 0;
551 uschar *dnslist_domain = NULL;
552 uschar *dnslist_matched = NULL;
553 uschar *dnslist_text = NULL;
554 uschar *dnslist_value = NULL;
555 tree_node *domainlist_anchor = NULL;
556 int domainlist_count = 0;
557 BOOL dont_deliver = FALSE;
558 BOOL dot_ends = TRUE;
559 BOOL drop_cr = FALSE; /* No longer used */
560 uschar *dsn_from = US DEFAULT_DSN_FROM;
561
562 BOOL enable_dollar_recipients = FALSE;
563 BOOL envelope_to_remove = TRUE;
564 int errno_quota = ERRNO_QUOTA;
565 uschar *errors_copy = NULL;
566 int error_handling = ERRORS_SENDER;
567 uschar *errors_reply_to = NULL;
568 int errors_sender_rc = EXIT_FAILURE;
569
570 gid_t exim_gid = EXIM_GID;
571 BOOL exim_gid_set = TRUE; /* This gid is always set */
572 uschar *exim_path = US BIN_DIRECTORY "/exim"
573 "\0<---------------Space to patch exim_path->";
574 uid_t exim_uid = EXIM_UID;
575 BOOL exim_uid_set = TRUE; /* This uid is always set */
576 int expand_forbid = 0;
577 int expand_nlength[EXPAND_MAXN+1];
578 int expand_nmax = -1;
579 uschar *expand_nstring[EXPAND_MAXN+1];
580 BOOL expand_string_forcedfail = FALSE;
581 uschar *expand_string_message;
582 BOOL extract_addresses_remove_arguments = TRUE;
583 uschar *extra_local_interfaces = NULL;
584
585 int fake_response = OK;
586 uschar *fake_response_text = US"Your message has been rejected but is "
587 "being kept for evaluation.\nIf it was a "
588 "legitimate message, it may still be "
589 "delivered to the target recipient(s).";
590 int filter_n[FILTER_VARIABLE_COUNT];
591 BOOL filter_running = FALSE;
592 int filter_sn[FILTER_VARIABLE_COUNT];
593 int filter_test = FTEST_NONE;
594 uschar *filter_test_sfile = NULL;
595 uschar *filter_test_ufile = NULL;
596 uschar *filter_thisaddress = NULL;
597 int finduser_retries = 0;
598 #ifdef WITH_OLD_DEMIME
599 uschar *found_extension = NULL;
600 #endif
601 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
602 uschar *freeze_tell = NULL;
603 uschar *freeze_tell_config = NULL;
604 uschar *fudged_queue_times = US"";
605
606 uschar *gecos_name = NULL;
607 uschar *gecos_pattern = NULL;
608 rewrite_rule *global_rewrite_rules = NULL;
609
610 uschar *headers_charset = US HEADERS_CHARSET;
611 int header_insert_maxlen = 64 * 1024;
612 header_line *header_last = NULL;
613 header_line *header_list = NULL;
614 int header_maxsize = HEADER_MAXSIZE;
615 int header_line_maxsize = 0;
616
617 header_name header_names[] = {
618 { US"bcc", 3, TRUE, htype_bcc },
619 { US"cc", 2, TRUE, htype_cc },
620 { US"date", 4, TRUE, htype_date },
621 { US"delivery-date", 13, FALSE, htype_delivery_date },
622 { US"envelope-to", 11, FALSE, htype_envelope_to },
623 { US"from", 4, TRUE, htype_from },
624 { US"message-id", 10, TRUE, htype_id },
625 { US"received", 8, FALSE, htype_received },
626 { US"reply-to", 8, FALSE, htype_reply_to },
627 { US"return-path", 11, FALSE, htype_return_path },
628 { US"sender", 6, TRUE, htype_sender },
629 { US"subject", 7, FALSE, htype_subject },
630 { US"to", 2, TRUE, htype_to }
631 };
632
633 int header_names_size = sizeof(header_names)/sizeof(header_name);
634
635 BOOL header_rewritten = FALSE;
636 uschar *helo_accept_junk_hosts = NULL;
637 uschar *helo_allow_chars = US"";
638 uschar *helo_lookup_domains = US"@ : @[]";
639 uschar *helo_try_verify_hosts = NULL;
640 BOOL helo_verified = FALSE;
641 BOOL helo_verify_failed = FALSE;
642 uschar *helo_verify_hosts = NULL;
643 uschar *hex_digits = US"0123456789abcdef";
644 uschar *hold_domains = NULL;
645 BOOL host_checking = FALSE;
646 BOOL host_checking_callout = FALSE;
647 uschar *host_data = NULL;
648 BOOL host_find_failed_syntax= FALSE;
649 uschar *host_lookup = NULL;
650 BOOL host_lookup_deferred = FALSE;
651 BOOL host_lookup_failed = FALSE;
652 uschar *host_lookup_order = US"bydns:byaddr";
653 uschar *host_lookup_msg = US"";
654 int host_number = 0;
655 uschar *host_number_string = NULL;
656 uschar *host_reject_connection = NULL;
657 tree_node *hostlist_anchor = NULL;
658 int hostlist_count = 0;
659 uschar *hosts_treat_as_local = NULL;
660 uschar *hosts_connection_nolog = NULL;
661
662 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
663 BOOL ignore_fromline_local = FALSE;
664 uschar *ignore_fromline_hosts = NULL;
665 uschar *interface_address = NULL;
666 int interface_port = -1;
667 BOOL is_inetd = FALSE;
668 uschar *iterate_item = NULL;
669
670 int journal_fd = -1;
671
672 int keep_malformed = 4*24*60*60; /* 4 days */
673
674 uschar *eldap_dn = NULL;
675 int load_average = -2;
676 BOOL local_error_message = FALSE;
677 BOOL local_from_check = TRUE;
678 uschar *local_from_prefix = NULL;
679 uschar *local_from_suffix = NULL;
680
681 #if HAVE_IPV6
682 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
683 #else
684 uschar *local_interfaces = US"0.0.0.0";
685 #endif
686
687 uschar *local_scan_data = NULL;
688 int local_scan_timeout = 5*60;
689 BOOL local_sender_retain = FALSE;
690 gid_t local_user_gid = (gid_t)(-1);
691 uid_t local_user_uid = (uid_t)(-1);
692
693 tree_node *localpartlist_anchor= NULL;
694 int localpartlist_count = 0;
695 uschar *log_buffer = NULL;
696 unsigned int log_extra_selector = LX_default;
697 uschar *log_file_path = US LOG_FILE_PATH
698 "\0<--------------Space to patch log_file_path->";
699
700 /* Those log options with L_xxx identifiers have values less than 0x800000 and
701 are the ones that get put into log_write_selector. They can be used in calls to
702 log_write() to test for the bit. The options with LX_xxx identifiers have
703 values greater than 0x80000000 and are put int log_extra_selector (without the
704 top bit). They are never used in calls to log_write(), but are tested
705 independently. This separation became necessary when the number of log
706 selectors was getting close to filling a 32-bit word. */
707
708 /* Note that this list must be in alphabetical order. */
709
710 bit_table log_options[] = {
711 { US"acl_warn_skipped", LX_acl_warn_skipped },
712 { US"address_rewrite", L_address_rewrite },
713 { US"all", L_all },
714 { US"all_parents", L_all_parents },
715 { US"arguments", LX_arguments },
716 { US"connection_reject", L_connection_reject },
717 { US"delay_delivery", L_delay_delivery },
718 { US"deliver_time", LX_deliver_time },
719 { US"delivery_size", LX_delivery_size },
720 { US"dnslist_defer", L_dnslist_defer },
721 { US"etrn", L_etrn },
722 { US"host_lookup_failed", L_host_lookup_failed },
723 { US"ident_timeout", LX_ident_timeout },
724 { US"incoming_interface", LX_incoming_interface },
725 { US"incoming_port", LX_incoming_port },
726 { US"lost_incoming_connection", L_lost_incoming_connection },
727 { US"outgoing_port", LX_outgoing_port },
728 { US"pid", LX_pid },
729 { US"queue_run", L_queue_run },
730 { US"queue_time", LX_queue_time },
731 { US"queue_time_overall", LX_queue_time_overall },
732 { US"received_recipients", LX_received_recipients },
733 { US"received_sender", LX_received_sender },
734 { US"rejected_header", LX_rejected_header },
735 { US"rejected_headers", LX_rejected_header },
736 { US"retry_defer", L_retry_defer },
737 { US"return_path_on_delivery", LX_return_path_on_delivery },
738 { US"sender_on_delivery", LX_sender_on_delivery },
739 { US"sender_verify_fail", LX_sender_verify_fail },
740 { US"size_reject", L_size_reject },
741 { US"skip_delivery", L_skip_delivery },
742 { US"smtp_confirmation", LX_smtp_confirmation },
743 { US"smtp_connection", L_smtp_connection },
744 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
745 { US"smtp_no_mail", LX_smtp_no_mail },
746 { US"smtp_protocol_error", L_smtp_protocol_error },
747 { US"smtp_syntax_error", L_smtp_syntax_error },
748 { US"subject", LX_subject },
749 { US"tls_certificate_verified", LX_tls_certificate_verified },
750 { US"tls_cipher", LX_tls_cipher },
751 { US"tls_peerdn", LX_tls_peerdn },
752 { US"unknown_in_list", LX_unknown_in_list }
753 };
754
755 int log_options_count = sizeof(log_options)/sizeof(bit_table);
756 int log_reject_target = 0;
757 uschar *log_selector_string = NULL;
758 FILE *log_stderr = NULL;
759 BOOL log_testing_mode = FALSE;
760 BOOL log_timezone = FALSE;
761 unsigned int log_write_selector= L_default;
762 uschar *login_sender_address = NULL;
763 int lookup_open_max = 25;
764 uschar *lookup_value = NULL;
765
766 macro_item *macros = NULL;
767 uschar *mailstore_basename = NULL;
768 #ifdef WITH_CONTENT_SCAN
769 uschar *malware_name = NULL; /* Virus Name */
770 #endif
771 int max_received_linelength= 0;
772 int max_username_length = 0;
773 int message_age = 0;
774 uschar *message_body = NULL;
775 uschar *message_body_end = NULL;
776 BOOL message_body_newlines = FALSE;
777 int message_body_size = 0;
778 int message_body_visible = 500;
779 int message_ended = END_NOTSTARTED;
780 uschar *message_headers = NULL;
781 uschar *message_id;
782 uschar *message_id_domain = NULL;
783 uschar *message_id_text = NULL;
784 struct timeval message_id_tv = { 0, 0 };
785 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
786 uschar *message_id_external;
787 int message_linecount = 0;
788 BOOL message_logs = TRUE;
789 int message_size = 0;
790 uschar *message_size_limit = US"50M";
791 uschar message_subdir[2] = { 0, 0 };
792 uschar *message_reference = NULL;
793
794 /* MIME ACL expandables */
795 #ifdef WITH_CONTENT_SCAN
796 int mime_anomaly_level = 0;
797 uschar *mime_anomaly_text = NULL;
798 uschar *mime_boundary = NULL;
799 uschar *mime_charset = NULL;
800 uschar *mime_content_description = NULL;
801 uschar *mime_content_disposition = NULL;
802 uschar *mime_content_id = NULL;
803 unsigned int mime_content_size = 0;
804 uschar *mime_content_transfer_encoding = NULL;
805 uschar *mime_content_type = NULL;
806 uschar *mime_decoded_filename = NULL;
807 uschar *mime_filename = NULL;
808 int mime_is_multipart = 0;
809 int mime_is_coverletter = 0;
810 int mime_is_rfc822 = 0;
811 int mime_part_count = -1;
812 #endif
813
814 BOOL mua_wrapper = FALSE;
815
816 uid_t *never_users = NULL;
817 #ifdef WITH_CONTENT_SCAN
818 BOOL no_mbox_unspool = FALSE;
819 #endif
820 BOOL no_multiline_responses = FALSE;
821
822 uid_t original_euid;
823 gid_t originator_gid;
824 uschar *originator_login = NULL;
825 uschar *originator_name = NULL;
826 uid_t originator_uid;
827 uschar *override_local_interfaces = NULL;
828 uschar *override_pid_file_path = NULL;
829
830 BOOL parse_allow_group = FALSE;
831 BOOL parse_found_group = FALSE;
832 uschar *percent_hack_domains = NULL;
833 uschar *pid_file_path = US PID_FILE_PATH
834 "\0<--------------Space to patch pid_file_path->";
835 BOOL pipelining_enable = TRUE;
836 uschar *pipelining_advertise_hosts = US"*";
837 BOOL preserve_message_logs = FALSE;
838 uschar *primary_hostname = NULL;
839 BOOL print_topbitchars = FALSE;
840 uschar process_info[PROCESS_INFO_SIZE];
841 uschar *process_log_path = NULL;
842 BOOL prod_requires_admin = TRUE;
843 uschar *prvscheck_address = NULL;
844 uschar *prvscheck_keynum = NULL;
845 uschar *prvscheck_result = NULL;
846
847
848 uschar *qualify_domain_recipient = NULL;
849 uschar *qualify_domain_sender = NULL;
850 BOOL queue_2stage = FALSE;
851 uschar *queue_domains = NULL;
852 int queue_interval = -1;
853 BOOL queue_list_requires_admin = TRUE;
854 BOOL queue_only = FALSE;
855 uschar *queue_only_file = NULL;
856 int queue_only_load = -1;
857 BOOL queue_only_load_latch = TRUE;
858 BOOL queue_only_override = TRUE;
859 BOOL queue_only_policy = FALSE;
860 BOOL queue_run_first_delivery = FALSE;
861 BOOL queue_run_force = FALSE;
862 BOOL queue_run_in_order = FALSE;
863 BOOL queue_run_local = FALSE;
864 int queue_run_max = 5;
865 pid_t queue_run_pid = (pid_t)0;
866 int queue_run_pipe = -1;
867 BOOL queue_running = FALSE;
868 BOOL queue_smtp = FALSE;
869 uschar *queue_smtp_domains = NULL;
870
871 unsigned int random_seed = 0;
872 tree_node *ratelimiters_cmd = NULL;
873 tree_node *ratelimiters_conn = NULL;
874 tree_node *ratelimiters_mail = NULL;
875 uschar *raw_active_hostname = NULL;
876 uschar *raw_sender = NULL;
877 uschar **raw_recipients = NULL;
878 int raw_recipients_count = 0;
879
880 int rcpt_count = 0;
881 int rcpt_fail_count = 0;
882 int rcpt_defer_count = 0;
883 gid_t real_gid;
884 uid_t real_uid;
885 BOOL really_exim = TRUE;
886 BOOL receive_call_bombout = FALSE;
887 int receive_linecount = 0;
888 int receive_messagecount = 0;
889 int receive_timeout = 0;
890 int received_count = 0;
891 uschar *received_for = NULL;
892
893 /* This is the default text for Received headers generated by Exim. The
894 date will be automatically added on the end. */
895
896 uschar *received_header_text = US
897 "Received: "
898 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
899 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
900 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
901 "by $primary_hostname "
902 "${if def:received_protocol {with $received_protocol}} "
903 #ifdef SUPPORT_TLS
904 "${if def:tls_cipher {($tls_cipher)\n\t}}"
905 #endif
906 "(Exim $version_number)\n\t"
907 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
908 "id $message_exim_id"
909 "${if def:received_for {\n\tfor $received_for}}"
910 "\0<---------------Space to patch received_header_text->";
911
912 int received_headers_max = 30;
913 uschar *received_protocol = NULL;
914 int received_time = 0;
915 uschar *recipient_data = NULL;
916 uschar *recipient_unqualified_hosts = NULL;
917 uschar *recipient_verify_failure = NULL;
918 int recipients_count = 0;
919 BOOL recipients_discarded = FALSE;
920 recipient_item *recipients_list = NULL;
921 int recipients_list_max = 0;
922 int recipients_max = 0;
923 BOOL recipients_max_reject = FALSE;
924 const pcre *regex_AUTH = NULL;
925 const pcre *regex_check_dns_names = NULL;
926 const pcre *regex_From = NULL;
927 const pcre *regex_IGNOREQUOTA = NULL;
928 const pcre *regex_PIPELINING = NULL;
929 const pcre *regex_SIZE = NULL;
930 const pcre *regex_smtp_code = NULL;
931 const pcre *regex_ismsgid = NULL;
932 #ifdef WITH_CONTENT_SCAN
933 uschar *regex_match_string = NULL;
934 #endif
935 int remote_delivery_count = 0;
936 int remote_max_parallel = 2;
937 uschar *remote_sort_domains = NULL;
938 int retry_data_expire = 7*24*60*60;
939 int retry_interval_max = 24*60*60;
940 int retry_maximum_timeout = 0; /* set from retry config */
941 retry_config *retries = NULL;
942 uschar *return_path = NULL;
943 BOOL return_path_remove = TRUE;
944 int rewrite_existflags = 0;
945 uschar *rfc1413_hosts = US"*";
946 int rfc1413_query_timeout = 5;
947 /* BOOL rfc821_domains = FALSE; <<< on the way out */
948 uid_t root_uid = ROOT_UID;
949
950 router_instance *routers = NULL;
951 router_instance router_defaults = {
952 NULL, /* chain pointer */
953 NULL, /* name */
954 NULL, /* info */
955 NULL, /* private options block pointer */
956 NULL, /* driver name */
957
958 NULL, /* address_data */
959 #ifdef EXPERIMENTAL_BRIGHTMAIL
960 NULL, /* bmi_rule */
961 #endif
962 NULL, /* cannot_route_message */
963 NULL, /* condition */
964 NULL, /* current_directory */
965 NULL, /* debug_string */
966 NULL, /* domains */
967 NULL, /* errors_to */
968 NULL, /* expand_gid */
969 NULL, /* expand_uid */
970 NULL, /* expand_more */
971 NULL, /* expand_unseen */
972 NULL, /* extra_headers */
973 NULL, /* fallback_hosts */
974 NULL, /* home_directory */
975 NULL, /* ignore_target_hosts */
976 NULL, /* local_parts */
977 NULL, /* pass_router_name */
978 NULL, /* prefix */
979 NULL, /* redirect_router_name */
980 NULL, /* remove_headers */
981 NULL, /* require_files */
982 NULL, /* router_home_directory */
983 US"freeze", /* self */
984 NULL, /* senders */
985 NULL, /* suffix */
986 NULL, /* translate_ip_address */
987 NULL, /* transport_name */
988
989 TRUE, /* address_test */
990 #ifdef EXPERIMENTAL_BRIGHTMAIL
991 FALSE, /* bmi_deliver_alternate */
992 FALSE, /* bmi_deliver_default */
993 FALSE, /* bmi_dont_deliver */
994 #endif
995 TRUE, /* expn */
996 FALSE, /* caseful_local_part */
997 FALSE, /* check_local_user */
998 FALSE, /* disable_logging */
999 FALSE, /* fail_verify_recipient */
1000 FALSE, /* fail_verify_sender */
1001 FALSE, /* gid_set */
1002 FALSE, /* initgroups */
1003 TRUE_UNSET, /* log_as_local */
1004 TRUE, /* more */
1005 FALSE, /* pass_on_timeout */
1006 FALSE, /* prefix_optional */
1007 TRUE, /* repeat_use */
1008 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1009 FALSE, /* same_domain_copy_routing */
1010 FALSE, /* self_rewrite */
1011 FALSE, /* suffix_optional */
1012 FALSE, /* verify_only */
1013 TRUE, /* verify_recipient */
1014 TRUE, /* verify_sender */
1015 FALSE, /* uid_set */
1016 FALSE, /* unseen */
1017
1018 self_freeze, /* self_code */
1019 (uid_t)(-1), /* uid */
1020 (gid_t)(-1), /* gid */
1021
1022 NULL, /* fallback_hostlist */
1023 NULL, /* transport instance */
1024 NULL, /* pass_router */
1025 NULL /* redirect_router */
1026 };
1027
1028 ip_address_item *running_interfaces = NULL;
1029 BOOL running_in_test_harness = FALSE;
1030
1031 /* This is a weird one. The following string gets patched in the binary by the
1032 script that sets up a copy of Exim for running in the test harness. It seems
1033 that compilers are now clever, and share constant strings if they can.
1034 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1035 make use of the end of this string in order to save space. So the patching then
1036 wrecks this. We defeat this optimization by adding some additional characters
1037 onto the end of the string. */
1038
1039 uschar *running_status = US">>>running<<<" "\0EXTRA";
1040
1041 int runrc = 0;
1042
1043 uschar *search_error_message = NULL;
1044 BOOL search_find_defer = FALSE;
1045 uschar *self_hostname = NULL;
1046 uschar *sender_address = NULL;
1047 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1048 uschar *sender_address_data = NULL;
1049 BOOL sender_address_forced = FALSE;
1050 uschar *sender_address_unrewritten = NULL;
1051 uschar *sender_data = NULL;
1052 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1053 uschar *sender_fullhost = NULL;
1054 uschar *sender_helo_name = NULL;
1055 uschar **sender_host_aliases = &no_aliases;
1056 uschar *sender_host_address = NULL;
1057 uschar *sender_host_authenticated = NULL;
1058 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1059 uschar *sender_host_name = NULL;
1060 int sender_host_port = 0;
1061 BOOL sender_host_notsocket = FALSE;
1062 BOOL sender_host_unknown = FALSE;
1063 uschar *sender_ident = NULL;
1064 BOOL sender_local = FALSE;
1065 BOOL sender_name_forced = FALSE;
1066 uschar *sender_rate = NULL;
1067 uschar *sender_rate_limit = NULL;
1068 uschar *sender_rate_period = NULL;
1069 uschar *sender_rcvhost = NULL;
1070 BOOL sender_set_untrusted = FALSE;
1071 uschar *sender_unqualified_hosts = NULL;
1072 uschar *sender_verify_failure = NULL;
1073 address_item *sender_verified_list = NULL;
1074 address_item *sender_verified_failed = NULL;
1075 int sender_verified_rc = -1;
1076 BOOL sender_verified_responded = FALSE;
1077 uschar *sending_ip_address = NULL;
1078 int sending_port = -1;
1079 volatile BOOL sigalrm_seen = FALSE;
1080 uschar **sighup_argv = NULL;
1081 int smtp_accept_count = 0;
1082 BOOL smtp_accept_keepalive = TRUE;
1083 int smtp_accept_max = 20;
1084 int smtp_accept_max_nonmail= 10;
1085 uschar *smtp_accept_max_nonmail_hosts = US"*";
1086 int smtp_accept_max_per_connection = 1000;
1087 uschar *smtp_accept_max_per_host = NULL;
1088 int smtp_accept_queue = 0;
1089 int smtp_accept_queue_per_connection = 10;
1090 int smtp_accept_reserve = 0;
1091 uschar *smtp_active_hostname = NULL;
1092 BOOL smtp_authenticated = FALSE;
1093 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1094 "Exim $version_number $tod_full"
1095 "\0<---------------Space to patch smtp_banner->";
1096 BOOL smtp_batched_input = FALSE;
1097 BOOL smtp_check_spool_space = TRUE;
1098 int smtp_ch_index = 0;
1099 uschar *smtp_cmd_argument = NULL;
1100 uschar *smtp_cmd_buffer = NULL;
1101 time_t smtp_connection_start = 0;
1102 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1103 int smtp_connect_backlog = 20;
1104 double smtp_delay_mail = 0.0;
1105 double smtp_delay_rcpt = 0.0;
1106 BOOL smtp_enforce_sync = TRUE;
1107 FILE *smtp_in = NULL;
1108 BOOL smtp_input = FALSE;
1109 int smtp_load_reserve = -1;
1110 int smtp_mailcmd_count = 0;
1111 FILE *smtp_out = NULL;
1112 uschar *smtp_etrn_command = NULL;
1113 BOOL smtp_etrn_serialize = TRUE;
1114 int smtp_max_synprot_errors= 3;
1115 int smtp_max_unknown_commands = 3;
1116 uschar *smtp_notquit_reason = NULL;
1117 uschar *smtp_ratelimit_hosts = NULL;
1118 uschar *smtp_ratelimit_mail = NULL;
1119 uschar *smtp_ratelimit_rcpt = NULL;
1120 uschar *smtp_read_error = US"";
1121 int smtp_receive_timeout = 5*60;
1122 uschar *smtp_reserve_hosts = NULL;
1123 BOOL smtp_return_error_details = FALSE;
1124 int smtp_rlm_base = 0;
1125 double smtp_rlm_factor = 0.0;
1126 int smtp_rlm_limit = 0;
1127 int smtp_rlm_threshold = INT_MAX;
1128 int smtp_rlr_base = 0;
1129 double smtp_rlr_factor = 0.0;
1130 int smtp_rlr_limit = 0;
1131 int smtp_rlr_threshold = INT_MAX;
1132 BOOL smtp_use_pipelining = FALSE;
1133 BOOL smtp_use_size = FALSE;
1134
1135 #ifdef WITH_CONTENT_SCAN
1136 uschar *spamd_address = US"127.0.0.1 783";
1137 uschar *spam_bar = NULL;
1138 uschar *spam_report = NULL;
1139 uschar *spam_score = NULL;
1140 uschar *spam_score_int = NULL;
1141 #endif
1142 #ifdef EXPERIMENTAL_SPF
1143 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1144 uschar *spf_header_comment = NULL;
1145 uschar *spf_received = NULL;
1146 uschar *spf_result = NULL;
1147 uschar *spf_smtp_comment = NULL;
1148 #endif
1149
1150 BOOL split_spool_directory = FALSE;
1151 uschar *spool_directory = US SPOOL_DIRECTORY
1152 "\0<--------------Space to patch spool_directory->";
1153 #ifdef EXPERIMENTAL_SRS
1154 uschar *srs_config = NULL;
1155 uschar *srs_db_address = NULL;
1156 uschar *srs_db_key = NULL;
1157 int srs_hashlength = 6;
1158 int srs_hashmin = -1;
1159 int srs_maxage = 31;
1160 uschar *srs_orig_recipient = NULL;
1161 uschar *srs_orig_sender = NULL;
1162 uschar *srs_recipient = NULL;
1163 uschar *srs_secrets = NULL;
1164 uschar *srs_status = NULL;
1165 BOOL srs_usehash = TRUE;
1166 BOOL srs_usetimestamp = TRUE;
1167 #endif
1168 BOOL strict_acl_vars = FALSE;
1169 int string_datestamp_offset= -1;
1170 BOOL strip_excess_angle_brackets = FALSE;
1171 BOOL strip_trailing_dot = FALSE;
1172 uschar *submission_domain = NULL;
1173 BOOL submission_mode = FALSE;
1174 uschar *submission_name = NULL;
1175 BOOL suppress_local_fixups = FALSE;
1176 BOOL synchronous_delivery = FALSE;
1177 BOOL syslog_duplication = TRUE;
1178 int syslog_facility = LOG_MAIL;
1179 uschar *syslog_processname = US"exim";
1180 BOOL syslog_timestamp = TRUE;
1181 uschar *system_filter = NULL;
1182
1183 uschar *system_filter_directory_transport = NULL;
1184 uschar *system_filter_file_transport = NULL;
1185 uschar *system_filter_pipe_transport = NULL;
1186 uschar *system_filter_reply_transport = NULL;
1187
1188 gid_t system_filter_gid = 0;
1189 BOOL system_filter_gid_set = FALSE;
1190 uid_t system_filter_uid = 0;
1191 BOOL system_filter_uid_set = FALSE;
1192 BOOL system_filtering = FALSE;
1193
1194 BOOL tcp_nodelay = TRUE;
1195 int test_harness_load_avg = 0;
1196 int thismessage_size_limit = 0;
1197 int timeout_frozen_after = 0;
1198 BOOL timestamps_utc = FALSE;
1199
1200 transport_instance *transports = NULL;
1201
1202 transport_instance transport_defaults = {
1203 NULL, /* chain pointer */
1204 NULL, /* name */
1205 NULL, /* info */
1206 NULL, /* private options block pointer */
1207 NULL, /* driver name */
1208 NULL, /* setup entry point */
1209 1, /* batch_max */
1210 NULL, /* batch_id */
1211 NULL, /* home_dir */
1212 NULL, /* current_dir */
1213 TRUE, /* multi-domain */
1214 FALSE, /* overrides_hosts */
1215 100, /* max_addresses */
1216 500, /* connection_max_messages */
1217 FALSE, /* deliver_as_creator */
1218 FALSE, /* disable_logging */
1219 FALSE, /* initgroups */
1220 FALSE, /* uid_set */
1221 FALSE, /* gid_set */
1222 (uid_t)(-1), /* uid */
1223 (gid_t)(-1), /* gid */
1224 NULL, /* expand_uid */
1225 NULL, /* expand_gid */
1226 NULL, /* warn_message */
1227 NULL, /* shadow */
1228 NULL, /* shadow_condition */
1229 NULL, /* filter_command */
1230 NULL, /* add_headers */
1231 NULL, /* remove_headers */
1232 NULL, /* return_path */
1233 NULL, /* debug_string */
1234 NULL, /* message_size_limit */
1235 NULL, /* headers_rewrite */
1236 NULL, /* rewrite_rules */
1237 0, /* rewrite_existflags */
1238 300, /* filter_timeout */
1239 FALSE, /* body_only */
1240 FALSE, /* delivery_date_add */
1241 FALSE, /* envelope_to_add */
1242 FALSE, /* headers_only */
1243 FALSE, /* rcpt_include_affixes */
1244 FALSE, /* return_path_add */
1245 FALSE, /* return_output */
1246 FALSE, /* return_fail_output */
1247 FALSE, /* log_output */
1248 FALSE, /* log_fail_output */
1249 FALSE, /* log_defer_output */
1250 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1251 1 nor 0 so can detect unset */
1252 };
1253
1254 int transport_count;
1255 uschar **transport_filter_argv = NULL;
1256 int transport_filter_timeout;
1257 BOOL transport_filter_timed_out = FALSE;
1258 int transport_write_timeout= 0;
1259
1260 tree_node *tree_dns_fails = NULL;
1261 tree_node *tree_duplicates = NULL;
1262 tree_node *tree_nonrecipients = NULL;
1263 tree_node *tree_unusable = NULL;
1264
1265 BOOL trusted_caller = FALSE;
1266 gid_t *trusted_groups = NULL;
1267 uid_t *trusted_users = NULL;
1268 uschar *timezone_string = US TIMEZONE_DEFAULT;
1269
1270 uschar *unknown_login = NULL;
1271 uschar *unknown_username = NULL;
1272 uschar *untrusted_set_sender = NULL;
1273
1274 /* A regex for matching a "From_" line in an incoming message, in the form
1275
1276 From ph10 Fri Jan 5 12:35 GMT 1996
1277
1278 which the "mail" commands send to the MTA (undocumented, of course), or in
1279 the form
1280
1281 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1282
1283 which is apparently used by some UUCPs, despite it not being in RFC 976.
1284 Because of variations in time formats, just match up to the minutes. That
1285 should be sufficient. Examples have been seen of time fields like 12:1:03,
1286 so just require one digit for hours and minutes. The weekday is also absent
1287 in some forms. */
1288
1289 uschar *uucp_from_pattern = US
1290 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1291 "(?:" /* Non-extracting bracket */
1292 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1293 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1294 ")" /* End alternation */
1295 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1296
1297 uschar *uucp_from_sender = US"$1";
1298
1299 uschar *warn_message_file = NULL;
1300 uschar *warnmsg_delay = NULL;
1301 uschar *warnmsg_recipients = NULL;
1302 BOOL write_rejectlog = TRUE;
1303
1304 uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1305 uschar *version_date = US"?";
1306 uschar *version_cnumber = US"????";
1307 uschar *version_string = US"?";
1308
1309 int warning_count = 0;
1310
1311 /* End of globals.c */
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