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Check configure file permissions even for non-default files if still privileged
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.88 2010/06/12 15:21:26 jetmore Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2009 */
8 /* See the file NOTICE for conditions of use and distribution. */
9
10 /* All the global variables are defined together in this one module, so
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 uschar *openssl_options = NULL;
119 const pcre *regex_STARTTLS = NULL;
120 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
121 uschar *tls_certificate = NULL;
122 uschar *tls_crl = NULL;
123 uschar *tls_dhparam = NULL;
124 BOOL tls_offered = FALSE;
125 uschar *tls_privatekey = NULL;
126 BOOL tls_remember_esmtp = FALSE;
127 uschar *tls_require_ciphers = NULL;
128 uschar *tls_try_verify_hosts = NULL;
129 uschar *tls_verify_certificates= NULL;
130 uschar *tls_verify_hosts = NULL;
131 #endif
132
133
134 /* Input-reading functions for messages, so we can use special ones for
135 incoming TCP/IP. The defaults use stdin. We never need these for any
136 stand-alone tests. */
137
138 #ifndef STAND_ALONE
139 int (*receive_getc)(void) = stdin_getc;
140 int (*receive_ungetc)(int) = stdin_ungetc;
141 int (*receive_feof)(void) = stdin_feof;
142 int (*receive_ferror)(void) = stdin_ferror;
143 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
144 #endif
145
146
147 /* List of per-address expansion variables for clearing and saving/restoring
148 when verifying one address while routing/verifying another. We have to have
149 the size explicit, because it is referenced from more than one module. */
150
151 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
152 &deliver_address_data,
153 &deliver_domain,
154 &deliver_domain_data,
155 &deliver_domain_orig,
156 &deliver_domain_parent,
157 &deliver_localpart,
158 &deliver_localpart_data,
159 &deliver_localpart_orig,
160 &deliver_localpart_parent,
161 &deliver_localpart_prefix,
162 &deliver_localpart_suffix,
163 (uschar **)(&deliver_recipients),
164 &deliver_host,
165 &deliver_home,
166 &address_file,
167 &address_pipe,
168 &self_hostname,
169 NULL };
170
171 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
172
173 /* General global variables */
174
175 header_line *acl_added_headers = NULL;
176 tree_node *acl_anchor = NULL;
177
178 uschar *acl_not_smtp = NULL;
179 #ifdef WITH_CONTENT_SCAN
180 uschar *acl_not_smtp_mime = NULL;
181 #endif
182 uschar *acl_not_smtp_start = NULL;
183
184 uschar *acl_smtp_auth = NULL;
185 uschar *acl_smtp_connect = NULL;
186 uschar *acl_smtp_data = NULL;
187 #ifndef DISABLE_DKIM
188 uschar *acl_smtp_dkim = NULL;
189 #endif
190 uschar *acl_smtp_etrn = NULL;
191 uschar *acl_smtp_expn = NULL;
192 uschar *acl_smtp_helo = NULL;
193 uschar *acl_smtp_mail = NULL;
194 uschar *acl_smtp_mailauth = NULL;
195 #ifdef WITH_CONTENT_SCAN
196 uschar *acl_smtp_mime = NULL;
197 #endif
198 uschar *acl_smtp_notquit = NULL;
199 uschar *acl_smtp_predata = NULL;
200 uschar *acl_smtp_quit = NULL;
201 uschar *acl_smtp_rcpt = NULL;
202 uschar *acl_smtp_starttls = NULL;
203 uschar *acl_smtp_vrfy = NULL;
204
205 BOOL acl_temp_details = FALSE;
206 tree_node *acl_var_c = NULL;
207 tree_node *acl_var_m = NULL;
208 uschar *acl_verify_message = NULL;
209 string_item *acl_warn_logged = NULL;
210
211 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
212 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
213
214 uschar *acl_wherenames[] = { US"RCPT",
215 US"MAIL",
216 US"PREDATA",
217 US"MIME",
218 US"DKIM",
219 US"DATA",
220 US"non-SMTP",
221 US"AUTH",
222 US"connection",
223 US"ETRN",
224 US"EXPN",
225 US"EHLO or HELO",
226 US"MAILAUTH",
227 US"non-SMTP-start",
228 US"NOTQUIT",
229 US"QUIT",
230 US"STARTTLS",
231 US"VRFY"
232 };
233
234 uschar *acl_wherecodes[] = { US"550", /* RCPT */
235 US"550", /* MAIL */
236 US"550", /* PREDATA */
237 US"550", /* MIME */
238 US"550", /* DKIM */
239 US"550", /* DATA */
240 US"0", /* not SMTP; not relevant */
241 US"503", /* AUTH */
242 US"550", /* connect */
243 US"458", /* ETRN */
244 US"550", /* EXPN */
245 US"550", /* HELO/EHLO */
246 US"0", /* MAILAUTH; not relevant */
247 US"0", /* not SMTP; not relevant */
248 US"0", /* NOTQUIT; not relevant */
249 US"0", /* QUIT; not relevant */
250 US"550", /* STARTTLS */
251 US"252" /* VRFY */
252 };
253
254 BOOL active_local_from_check = FALSE;
255 BOOL active_local_sender_retain = FALSE;
256 BOOL accept_8bitmime = FALSE;
257 address_item *addr_duplicate = NULL;
258
259 address_item address_defaults = {
260 NULL, /* next */
261 NULL, /* parent */
262 NULL, /* first */
263 NULL, /* dupof */
264 NULL, /* start_router */
265 NULL, /* router */
266 NULL, /* transport */
267 NULL, /* host_list */
268 NULL, /* host_used */
269 NULL, /* fallback_hosts */
270 NULL, /* reply */
271 NULL, /* retries */
272 NULL, /* address */
273 NULL, /* unique */
274 NULL, /* cc_local_part */
275 NULL, /* lc_local_part */
276 NULL, /* local_part */
277 NULL, /* prefix */
278 NULL, /* suffix */
279 NULL, /* domain */
280 NULL, /* address_retry_key */
281 NULL, /* domain_retry_key */
282 NULL, /* current_dir */
283 NULL, /* home_dir */
284 NULL, /* message */
285 NULL, /* user_message */
286 NULL, /* onetime_parent */
287 NULL, /* pipe_expandn */
288 NULL, /* return_filename */
289 NULL, /* self_hostname */
290 NULL, /* shadow_message */
291 #ifdef SUPPORT_TLS
292 NULL, /* cipher */
293 NULL, /* peerdn */
294 #endif
295 (uid_t)(-1), /* uid */
296 (gid_t)(-1), /* gid */
297 0, /* flags */
298 { 0 }, /* domain_cache - any larger array should be zeroed */
299 { 0 }, /* localpart_cache - ditto */
300 -1, /* mode */
301 0, /* more_errno */
302 ERRNO_UNKNOWNERROR, /* basic_errno */
303 0, /* child_count */
304 -1, /* return_file */
305 SPECIAL_NONE, /* special_action */
306 DEFER, /* transport_return */
307 { /* fields that are propagated to children */
308 NULL, /* address_data */
309 NULL, /* domain_data */
310 NULL, /* localpart_data */
311 NULL, /* errors_address */
312 NULL, /* extra_headers */
313 NULL, /* remove_headers */
314 #ifdef EXPERIMENTAL_SRS
315 NULL, /* srs_sender */
316 #endif
317 }
318 };
319
320 uschar *address_file = NULL;
321 uschar *address_pipe = NULL;
322 BOOL address_test_mode = FALSE;
323 tree_node *addresslist_anchor = NULL;
324 int addresslist_count = 0;
325 gid_t *admin_groups = NULL;
326 BOOL admin_user = FALSE;
327 BOOL allow_auth_unadvertised= FALSE;
328 BOOL allow_domain_literals = FALSE;
329 BOOL allow_mx_to_ip = FALSE;
330 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
331 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
332 BOOL allow_utf8_domains = FALSE;
333 uschar *authenticated_id = NULL;
334 uschar *authenticated_sender = NULL;
335 BOOL authentication_failed = FALSE;
336 auth_instance *auths = NULL;
337 uschar *auth_advertise_hosts = US"*";
338 auth_instance auth_defaults = {
339 NULL, /* chain pointer */
340 NULL, /* name */
341 NULL, /* info */
342 NULL, /* private options block pointer */
343 NULL, /* driver_name */
344 NULL, /* advertise_condition */
345 NULL, /* client_condition */
346 NULL, /* public_name */
347 NULL, /* set_id */
348 NULL, /* server_mail_auth_condition */
349 NULL, /* server_debug_string */
350 NULL, /* server_condition */
351 FALSE, /* client */
352 FALSE, /* server */
353 FALSE /* advertised */
354 };
355
356 uschar *auth_defer_msg = US"reason not recorded";
357 uschar *auth_defer_user_msg = US"";
358 uschar *auth_vars[AUTH_VARS];
359 int auto_thaw = 0;
360 #ifdef WITH_CONTENT_SCAN
361 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
362 #endif
363
364 BOOL background_daemon = TRUE;
365
366 #if BASE_62 == 62
367 uschar *base62_chars=
368 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
369 #else
370 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
371 #endif
372
373 uschar *bi_command = NULL;
374 uschar *big_buffer = NULL;
375 int big_buffer_size = BIG_BUFFER_SIZE;
376 #ifdef EXPERIMENTAL_BRIGHTMAIL
377 uschar *bmi_alt_location = NULL;
378 uschar *bmi_base64_tracker_verdict = NULL;
379 uschar *bmi_base64_verdict = NULL;
380 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
381 int bmi_deliver = 1;
382 int bmi_run = 0;
383 uschar *bmi_verdicts = NULL;
384 #endif
385 int body_linecount = 0;
386 int body_zerocount = 0;
387 uschar *bounce_message_file = NULL;
388 uschar *bounce_message_text = NULL;
389 uschar *bounce_recipient = NULL;
390 BOOL bounce_return_body = TRUE;
391 BOOL bounce_return_message = TRUE;
392 int bounce_return_size_limit = 100*1024;
393 uschar *bounce_sender_authentication = NULL;
394 int bsmtp_transaction_linecount = 0;
395
396 int callout_cache_domain_positive_expire = 7*24*60*60;
397 int callout_cache_domain_negative_expire = 3*60*60;
398 int callout_cache_positive_expire = 24*60*60;
399 int callout_cache_negative_expire = 2*60*60;
400 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
401 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
402 int check_log_inodes = 0;
403 int check_log_space = 0;
404 BOOL check_rfc2047_length = TRUE;
405 int check_spool_inodes = 0;
406 int check_spool_space = 0;
407 int clmacro_count = 0;
408 uschar *clmacros[MAX_CLMACROS];
409 BOOL config_changed = FALSE;
410 FILE *config_file = NULL;
411 uschar *config_filename = NULL;
412 int config_lineno = 0;
413 #ifdef CONFIGURE_GROUP
414 gid_t config_gid = CONFIGURE_GROUP;
415 #endif
416 uschar *config_main_filelist = US CONFIGURE_FILE
417 "\0<-----------Space to patch configure_filename->";
418 uschar *config_main_filename = NULL;
419
420 #ifdef CONFIGURE_OWNER
421 uid_t config_uid = CONFIGURE_OWNER;
422 #endif
423
424 int connection_max_messages= -1;
425 uschar *continue_hostname = NULL;
426 uschar *continue_host_address = NULL;
427 BOOL continue_more = FALSE;
428 int continue_sequence = 1;
429 uschar *continue_transport = NULL;
430
431 uschar *csa_status = NULL;
432
433 BOOL daemon_listen = FALSE;
434 uschar *daemon_smtp_port = US"smtp";
435 int daemon_startup_retries = 9;
436 int daemon_startup_sleep = 30;
437
438 #ifdef EXPERIMENTAL_DCC
439 BOOL dcc_direct_add_header = FALSE;
440 uschar *dcc_header = NULL;
441 uschar *dcc_result = NULL;
442 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
443 uschar *dccifd_options = US"header";
444 #endif
445
446 BOOL debug_daemon = FALSE;
447 int debug_fd = -1;
448 FILE *debug_file = NULL;
449 bit_table debug_options[] = {
450 { US"acl", D_acl },
451 { US"all", D_all },
452 { US"auth", D_auth },
453 { US"deliver", D_deliver },
454 { US"dns", D_dns },
455 { US"dnsbl", D_dnsbl },
456 { US"exec", D_exec },
457 { US"expand", D_expand },
458 { US"filter", D_filter },
459 { US"hints_lookup", D_hints_lookup },
460 { US"host_lookup", D_host_lookup },
461 { US"ident", D_ident },
462 { US"interface", D_interface },
463 { US"lists", D_lists },
464 { US"load", D_load },
465 { US"local_scan", D_local_scan },
466 { US"lookup", D_lookup },
467 { US"memory", D_memory },
468 { US"pid", D_pid },
469 { US"process_info", D_process_info },
470 { US"queue_run", D_queue_run },
471 { US"receive", D_receive },
472 { US"resolver", D_resolver },
473 { US"retry", D_retry },
474 { US"rewrite", D_rewrite },
475 { US"route", D_route },
476 { US"timestamp", D_timestamp },
477 { US"tls", D_tls },
478 { US"transport", D_transport },
479 { US"uid", D_uid },
480 { US"verify", D_verify }
481 };
482 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
483 unsigned int debug_selector = 0;
484 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
485 uschar *delay_warning_condition=
486 US"${if or {"
487 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
488 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
489 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
490 "} {no}{yes}}";
491 BOOL delivery_date_remove = TRUE;
492 uschar *deliver_address_data = NULL;
493 int deliver_datafile = -1;
494 uschar *deliver_domain = NULL;
495 uschar *deliver_domain_data = NULL;
496 uschar *deliver_domain_orig = NULL;
497 uschar *deliver_domain_parent = NULL;
498 BOOL deliver_drop_privilege = FALSE;
499 BOOL deliver_firsttime = FALSE;
500 BOOL deliver_force = FALSE;
501 BOOL deliver_freeze = FALSE;
502 int deliver_frozen_at = 0;
503 uschar *deliver_home = NULL;
504 uschar *deliver_host = NULL;
505 uschar *deliver_host_address = NULL;
506 uschar *deliver_in_buffer = NULL;
507 ino_t deliver_inode = 0;
508 uschar *deliver_localpart = NULL;
509 uschar *deliver_localpart_data = NULL;
510 uschar *deliver_localpart_orig = NULL;
511 uschar *deliver_localpart_parent = NULL;
512 uschar *deliver_localpart_prefix = NULL;
513 uschar *deliver_localpart_suffix = NULL;
514 BOOL deliver_force_thaw = FALSE;
515 BOOL deliver_manual_thaw = FALSE;
516 uschar *deliver_out_buffer = NULL;
517 int deliver_queue_load_max = -1;
518 address_item *deliver_recipients = NULL;
519 uschar *deliver_selectstring = NULL;
520 BOOL deliver_selectstring_regex = FALSE;
521 uschar *deliver_selectstring_sender = NULL;
522 BOOL deliver_selectstring_sender_regex = FALSE;
523 #ifdef WITH_OLD_DEMIME
524 int demime_errorlevel = 0;
525 int demime_ok = 0;
526 uschar *demime_reason = NULL;
527 #endif
528 BOOL disable_callout_flush = FALSE;
529 BOOL disable_delay_flush = FALSE;
530 #ifdef ENABLE_DISABLE_FSYNC
531 BOOL disable_fsync = FALSE;
532 #endif
533 BOOL disable_ipv6 = FALSE;
534 BOOL disable_logging = FALSE;
535
536 #ifndef DISABLE_DKIM
537 uschar *dkim_cur_signer = NULL;
538 uschar *dkim_signers = NULL;
539 uschar *dkim_signing_domain = NULL;
540 uschar *dkim_signing_selector = NULL;
541 uschar *dkim_verify_signers = US"$dkim_signers";
542 BOOL dkim_collect_input = FALSE;
543 BOOL dkim_disable_verify = FALSE;
544 #endif
545
546 uschar *dns_again_means_nonexist = NULL;
547 int dns_csa_search_limit = 5;
548 BOOL dns_csa_use_reverse = TRUE;
549 uschar *dns_ipv4_lookup = NULL;
550 int dns_retrans = 0;
551 int dns_retry = 0;
552 uschar *dnslist_domain = NULL;
553 uschar *dnslist_matched = NULL;
554 uschar *dnslist_text = NULL;
555 uschar *dnslist_value = NULL;
556 tree_node *domainlist_anchor = NULL;
557 int domainlist_count = 0;
558 BOOL dont_deliver = FALSE;
559 BOOL dot_ends = TRUE;
560 BOOL drop_cr = FALSE; /* No longer used */
561 uschar *dsn_from = US DEFAULT_DSN_FROM;
562
563 BOOL enable_dollar_recipients = FALSE;
564 BOOL envelope_to_remove = TRUE;
565 int errno_quota = ERRNO_QUOTA;
566 uschar *errors_copy = NULL;
567 int error_handling = ERRORS_SENDER;
568 uschar *errors_reply_to = NULL;
569 int errors_sender_rc = EXIT_FAILURE;
570
571 gid_t exim_gid = EXIM_GID;
572 BOOL exim_gid_set = TRUE; /* This gid is always set */
573 uschar *exim_path = US BIN_DIRECTORY "/exim"
574 "\0<---------------Space to patch exim_path->";
575 uid_t exim_uid = EXIM_UID;
576 BOOL exim_uid_set = TRUE; /* This uid is always set */
577 int expand_forbid = 0;
578 int expand_nlength[EXPAND_MAXN+1];
579 int expand_nmax = -1;
580 uschar *expand_nstring[EXPAND_MAXN+1];
581 BOOL expand_string_forcedfail = FALSE;
582 uschar *expand_string_message;
583 BOOL extract_addresses_remove_arguments = TRUE;
584 uschar *extra_local_interfaces = NULL;
585
586 int fake_response = OK;
587 uschar *fake_response_text = US"Your message has been rejected but is "
588 "being kept for evaluation.\nIf it was a "
589 "legitimate message, it may still be "
590 "delivered to the target recipient(s).";
591 int filter_n[FILTER_VARIABLE_COUNT];
592 BOOL filter_running = FALSE;
593 int filter_sn[FILTER_VARIABLE_COUNT];
594 int filter_test = FTEST_NONE;
595 uschar *filter_test_sfile = NULL;
596 uschar *filter_test_ufile = NULL;
597 uschar *filter_thisaddress = NULL;
598 int finduser_retries = 0;
599 #ifdef WITH_OLD_DEMIME
600 uschar *found_extension = NULL;
601 #endif
602 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
603 uschar *freeze_tell = NULL;
604 uschar *freeze_tell_config = NULL;
605 uschar *fudged_queue_times = US"";
606
607 uschar *gecos_name = NULL;
608 uschar *gecos_pattern = NULL;
609 rewrite_rule *global_rewrite_rules = NULL;
610
611 uschar *headers_charset = US HEADERS_CHARSET;
612 int header_insert_maxlen = 64 * 1024;
613 header_line *header_last = NULL;
614 header_line *header_list = NULL;
615 int header_maxsize = HEADER_MAXSIZE;
616 int header_line_maxsize = 0;
617
618 header_name header_names[] = {
619 { US"bcc", 3, TRUE, htype_bcc },
620 { US"cc", 2, TRUE, htype_cc },
621 { US"date", 4, TRUE, htype_date },
622 { US"delivery-date", 13, FALSE, htype_delivery_date },
623 { US"envelope-to", 11, FALSE, htype_envelope_to },
624 { US"from", 4, TRUE, htype_from },
625 { US"message-id", 10, TRUE, htype_id },
626 { US"received", 8, FALSE, htype_received },
627 { US"reply-to", 8, FALSE, htype_reply_to },
628 { US"return-path", 11, FALSE, htype_return_path },
629 { US"sender", 6, TRUE, htype_sender },
630 { US"subject", 7, FALSE, htype_subject },
631 { US"to", 2, TRUE, htype_to }
632 };
633
634 int header_names_size = sizeof(header_names)/sizeof(header_name);
635
636 BOOL header_rewritten = FALSE;
637 uschar *helo_accept_junk_hosts = NULL;
638 uschar *helo_allow_chars = US"";
639 uschar *helo_lookup_domains = US"@ : @[]";
640 uschar *helo_try_verify_hosts = NULL;
641 BOOL helo_verified = FALSE;
642 BOOL helo_verify_failed = FALSE;
643 uschar *helo_verify_hosts = NULL;
644 uschar *hex_digits = US"0123456789abcdef";
645 uschar *hold_domains = NULL;
646 BOOL host_checking = FALSE;
647 BOOL host_checking_callout = FALSE;
648 uschar *host_data = NULL;
649 BOOL host_find_failed_syntax= FALSE;
650 uschar *host_lookup = NULL;
651 BOOL host_lookup_deferred = FALSE;
652 BOOL host_lookup_failed = FALSE;
653 uschar *host_lookup_order = US"bydns:byaddr";
654 uschar *host_lookup_msg = US"";
655 int host_number = 0;
656 uschar *host_number_string = NULL;
657 uschar *host_reject_connection = NULL;
658 tree_node *hostlist_anchor = NULL;
659 int hostlist_count = 0;
660 uschar *hosts_treat_as_local = NULL;
661 uschar *hosts_connection_nolog = NULL;
662
663 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
664 BOOL ignore_fromline_local = FALSE;
665 uschar *ignore_fromline_hosts = NULL;
666 uschar *interface_address = NULL;
667 int interface_port = -1;
668 BOOL is_inetd = FALSE;
669 uschar *iterate_item = NULL;
670
671 int journal_fd = -1;
672
673 int keep_malformed = 4*24*60*60; /* 4 days */
674
675 uschar *eldap_dn = NULL;
676 int load_average = -2;
677 BOOL local_error_message = FALSE;
678 BOOL local_from_check = TRUE;
679 uschar *local_from_prefix = NULL;
680 uschar *local_from_suffix = NULL;
681
682 #if HAVE_IPV6
683 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
684 #else
685 uschar *local_interfaces = US"0.0.0.0";
686 #endif
687
688 uschar *local_scan_data = NULL;
689 int local_scan_timeout = 5*60;
690 BOOL local_sender_retain = FALSE;
691 gid_t local_user_gid = (gid_t)(-1);
692 uid_t local_user_uid = (uid_t)(-1);
693
694 tree_node *localpartlist_anchor= NULL;
695 int localpartlist_count = 0;
696 uschar *log_buffer = NULL;
697 unsigned int log_extra_selector = LX_default;
698 uschar *log_file_path = US LOG_FILE_PATH
699 "\0<--------------Space to patch log_file_path->";
700
701 /* Those log options with L_xxx identifiers have values less than 0x800000 and
702 are the ones that get put into log_write_selector. They can be used in calls to
703 log_write() to test for the bit. The options with LX_xxx identifiers have
704 values greater than 0x80000000 and are put int log_extra_selector (without the
705 top bit). They are never used in calls to log_write(), but are tested
706 independently. This separation became necessary when the number of log
707 selectors was getting close to filling a 32-bit word. */
708
709 /* Note that this list must be in alphabetical order. */
710
711 bit_table log_options[] = {
712 { US"acl_warn_skipped", LX_acl_warn_skipped },
713 { US"address_rewrite", L_address_rewrite },
714 { US"all", L_all },
715 { US"all_parents", L_all_parents },
716 { US"arguments", LX_arguments },
717 { US"connection_reject", L_connection_reject },
718 { US"delay_delivery", L_delay_delivery },
719 { US"deliver_time", LX_deliver_time },
720 { US"delivery_size", LX_delivery_size },
721 { US"dnslist_defer", L_dnslist_defer },
722 { US"etrn", L_etrn },
723 { US"host_lookup_failed", L_host_lookup_failed },
724 { US"ident_timeout", LX_ident_timeout },
725 { US"incoming_interface", LX_incoming_interface },
726 { US"incoming_port", LX_incoming_port },
727 { US"lost_incoming_connection", L_lost_incoming_connection },
728 { US"outgoing_port", LX_outgoing_port },
729 { US"pid", LX_pid },
730 { US"queue_run", L_queue_run },
731 { US"queue_time", LX_queue_time },
732 { US"queue_time_overall", LX_queue_time_overall },
733 { US"received_recipients", LX_received_recipients },
734 { US"received_sender", LX_received_sender },
735 { US"rejected_header", LX_rejected_header },
736 { US"rejected_headers", LX_rejected_header },
737 { US"retry_defer", L_retry_defer },
738 { US"return_path_on_delivery", LX_return_path_on_delivery },
739 { US"sender_on_delivery", LX_sender_on_delivery },
740 { US"sender_verify_fail", LX_sender_verify_fail },
741 { US"size_reject", L_size_reject },
742 { US"skip_delivery", L_skip_delivery },
743 { US"smtp_confirmation", LX_smtp_confirmation },
744 { US"smtp_connection", L_smtp_connection },
745 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
746 { US"smtp_no_mail", LX_smtp_no_mail },
747 { US"smtp_protocol_error", L_smtp_protocol_error },
748 { US"smtp_syntax_error", L_smtp_syntax_error },
749 { US"subject", LX_subject },
750 { US"tls_certificate_verified", LX_tls_certificate_verified },
751 { US"tls_cipher", LX_tls_cipher },
752 { US"tls_peerdn", LX_tls_peerdn },
753 { US"unknown_in_list", LX_unknown_in_list }
754 };
755
756 int log_options_count = sizeof(log_options)/sizeof(bit_table);
757 int log_reject_target = 0;
758 uschar *log_selector_string = NULL;
759 FILE *log_stderr = NULL;
760 BOOL log_testing_mode = FALSE;
761 BOOL log_timezone = FALSE;
762 unsigned int log_write_selector= L_default;
763 uschar *login_sender_address = NULL;
764 int lookup_open_max = 25;
765 uschar *lookup_value = NULL;
766
767 macro_item *macros = NULL;
768 uschar *mailstore_basename = NULL;
769 #ifdef WITH_CONTENT_SCAN
770 uschar *malware_name = NULL; /* Virus Name */
771 #endif
772 int max_received_linelength= 0;
773 int max_username_length = 0;
774 int message_age = 0;
775 uschar *message_body = NULL;
776 uschar *message_body_end = NULL;
777 BOOL message_body_newlines = FALSE;
778 int message_body_size = 0;
779 int message_body_visible = 500;
780 int message_ended = END_NOTSTARTED;
781 uschar *message_headers = NULL;
782 uschar *message_id;
783 uschar *message_id_domain = NULL;
784 uschar *message_id_text = NULL;
785 struct timeval message_id_tv = { 0, 0 };
786 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
787 uschar *message_id_external;
788 int message_linecount = 0;
789 BOOL message_logs = TRUE;
790 int message_size = 0;
791 uschar *message_size_limit = US"50M";
792 uschar message_subdir[2] = { 0, 0 };
793 uschar *message_reference = NULL;
794
795 /* MIME ACL expandables */
796 #ifdef WITH_CONTENT_SCAN
797 int mime_anomaly_level = 0;
798 uschar *mime_anomaly_text = NULL;
799 uschar *mime_boundary = NULL;
800 uschar *mime_charset = NULL;
801 uschar *mime_content_description = NULL;
802 uschar *mime_content_disposition = NULL;
803 uschar *mime_content_id = NULL;
804 unsigned int mime_content_size = 0;
805 uschar *mime_content_transfer_encoding = NULL;
806 uschar *mime_content_type = NULL;
807 uschar *mime_decoded_filename = NULL;
808 uschar *mime_filename = NULL;
809 int mime_is_multipart = 0;
810 int mime_is_coverletter = 0;
811 int mime_is_rfc822 = 0;
812 int mime_part_count = -1;
813 #endif
814
815 BOOL mua_wrapper = FALSE;
816
817 uid_t *never_users = NULL;
818 #ifdef WITH_CONTENT_SCAN
819 BOOL no_mbox_unspool = FALSE;
820 #endif
821 BOOL no_multiline_responses = FALSE;
822
823 uid_t original_euid;
824 gid_t originator_gid;
825 uschar *originator_login = NULL;
826 uschar *originator_name = NULL;
827 uid_t originator_uid;
828 uschar *override_local_interfaces = NULL;
829 uschar *override_pid_file_path = NULL;
830
831 BOOL parse_allow_group = FALSE;
832 BOOL parse_found_group = FALSE;
833 uschar *percent_hack_domains = NULL;
834 uschar *pid_file_path = US PID_FILE_PATH
835 "\0<--------------Space to patch pid_file_path->";
836 BOOL pipelining_enable = TRUE;
837 uschar *pipelining_advertise_hosts = US"*";
838 BOOL preserve_message_logs = FALSE;
839 uschar *primary_hostname = NULL;
840 BOOL print_topbitchars = FALSE;
841 uschar process_info[PROCESS_INFO_SIZE];
842 uschar *process_log_path = NULL;
843 BOOL prod_requires_admin = TRUE;
844 uschar *prvscheck_address = NULL;
845 uschar *prvscheck_keynum = NULL;
846 uschar *prvscheck_result = NULL;
847
848
849 uschar *qualify_domain_recipient = NULL;
850 uschar *qualify_domain_sender = NULL;
851 BOOL queue_2stage = FALSE;
852 uschar *queue_domains = NULL;
853 int queue_interval = -1;
854 BOOL queue_list_requires_admin = TRUE;
855 BOOL queue_only = FALSE;
856 uschar *queue_only_file = NULL;
857 int queue_only_load = -1;
858 BOOL queue_only_load_latch = TRUE;
859 BOOL queue_only_override = TRUE;
860 BOOL queue_only_policy = FALSE;
861 BOOL queue_run_first_delivery = FALSE;
862 BOOL queue_run_force = FALSE;
863 BOOL queue_run_in_order = FALSE;
864 BOOL queue_run_local = FALSE;
865 int queue_run_max = 5;
866 pid_t queue_run_pid = (pid_t)0;
867 int queue_run_pipe = -1;
868 BOOL queue_running = FALSE;
869 BOOL queue_smtp = FALSE;
870 uschar *queue_smtp_domains = NULL;
871
872 unsigned int random_seed = 0;
873 tree_node *ratelimiters_cmd = NULL;
874 tree_node *ratelimiters_conn = NULL;
875 tree_node *ratelimiters_mail = NULL;
876 uschar *raw_active_hostname = NULL;
877 uschar *raw_sender = NULL;
878 uschar **raw_recipients = NULL;
879 int raw_recipients_count = 0;
880
881 int rcpt_count = 0;
882 int rcpt_fail_count = 0;
883 int rcpt_defer_count = 0;
884 gid_t real_gid;
885 uid_t real_uid;
886 BOOL really_exim = TRUE;
887 BOOL receive_call_bombout = FALSE;
888 int receive_linecount = 0;
889 int receive_messagecount = 0;
890 int receive_timeout = 0;
891 int received_count = 0;
892 uschar *received_for = NULL;
893
894 /* This is the default text for Received headers generated by Exim. The
895 date will be automatically added on the end. */
896
897 uschar *received_header_text = US
898 "Received: "
899 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
900 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
901 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
902 "by $primary_hostname "
903 "${if def:received_protocol {with $received_protocol}} "
904 #ifdef SUPPORT_TLS
905 "${if def:tls_cipher {($tls_cipher)\n\t}}"
906 #endif
907 "(Exim $version_number)\n\t"
908 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
909 "id $message_exim_id"
910 "${if def:received_for {\n\tfor $received_for}}"
911 "\0<---------------Space to patch received_header_text->";
912
913 int received_headers_max = 30;
914 uschar *received_protocol = NULL;
915 int received_time = 0;
916 uschar *recipient_data = NULL;
917 uschar *recipient_unqualified_hosts = NULL;
918 uschar *recipient_verify_failure = NULL;
919 int recipients_count = 0;
920 BOOL recipients_discarded = FALSE;
921 recipient_item *recipients_list = NULL;
922 int recipients_list_max = 0;
923 int recipients_max = 0;
924 BOOL recipients_max_reject = FALSE;
925 const pcre *regex_AUTH = NULL;
926 const pcre *regex_check_dns_names = NULL;
927 const pcre *regex_From = NULL;
928 const pcre *regex_IGNOREQUOTA = NULL;
929 const pcre *regex_PIPELINING = NULL;
930 const pcre *regex_SIZE = NULL;
931 const pcre *regex_smtp_code = NULL;
932 const pcre *regex_ismsgid = NULL;
933 #ifdef WITH_CONTENT_SCAN
934 uschar *regex_match_string = NULL;
935 #endif
936 int remote_delivery_count = 0;
937 int remote_max_parallel = 2;
938 uschar *remote_sort_domains = NULL;
939 int retry_data_expire = 7*24*60*60;
940 int retry_interval_max = 24*60*60;
941 int retry_maximum_timeout = 0; /* set from retry config */
942 retry_config *retries = NULL;
943 uschar *return_path = NULL;
944 BOOL return_path_remove = TRUE;
945 int rewrite_existflags = 0;
946 uschar *rfc1413_hosts = US"*";
947 int rfc1413_query_timeout = 5;
948 /* BOOL rfc821_domains = FALSE; <<< on the way out */
949 uid_t root_gid = ROOT_GID;
950 uid_t root_uid = ROOT_UID;
951
952 router_instance *routers = NULL;
953 router_instance router_defaults = {
954 NULL, /* chain pointer */
955 NULL, /* name */
956 NULL, /* info */
957 NULL, /* private options block pointer */
958 NULL, /* driver name */
959
960 NULL, /* address_data */
961 #ifdef EXPERIMENTAL_BRIGHTMAIL
962 NULL, /* bmi_rule */
963 #endif
964 NULL, /* cannot_route_message */
965 NULL, /* condition */
966 NULL, /* current_directory */
967 NULL, /* debug_string */
968 NULL, /* domains */
969 NULL, /* errors_to */
970 NULL, /* expand_gid */
971 NULL, /* expand_uid */
972 NULL, /* expand_more */
973 NULL, /* expand_unseen */
974 NULL, /* extra_headers */
975 NULL, /* fallback_hosts */
976 NULL, /* home_directory */
977 NULL, /* ignore_target_hosts */
978 NULL, /* local_parts */
979 NULL, /* pass_router_name */
980 NULL, /* prefix */
981 NULL, /* redirect_router_name */
982 NULL, /* remove_headers */
983 NULL, /* require_files */
984 NULL, /* router_home_directory */
985 US"freeze", /* self */
986 NULL, /* senders */
987 NULL, /* suffix */
988 NULL, /* translate_ip_address */
989 NULL, /* transport_name */
990
991 TRUE, /* address_test */
992 #ifdef EXPERIMENTAL_BRIGHTMAIL
993 FALSE, /* bmi_deliver_alternate */
994 FALSE, /* bmi_deliver_default */
995 FALSE, /* bmi_dont_deliver */
996 #endif
997 TRUE, /* expn */
998 FALSE, /* caseful_local_part */
999 FALSE, /* check_local_user */
1000 FALSE, /* disable_logging */
1001 FALSE, /* fail_verify_recipient */
1002 FALSE, /* fail_verify_sender */
1003 FALSE, /* gid_set */
1004 FALSE, /* initgroups */
1005 TRUE_UNSET, /* log_as_local */
1006 TRUE, /* more */
1007 FALSE, /* pass_on_timeout */
1008 FALSE, /* prefix_optional */
1009 TRUE, /* repeat_use */
1010 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1011 FALSE, /* same_domain_copy_routing */
1012 FALSE, /* self_rewrite */
1013 FALSE, /* suffix_optional */
1014 FALSE, /* verify_only */
1015 TRUE, /* verify_recipient */
1016 TRUE, /* verify_sender */
1017 FALSE, /* uid_set */
1018 FALSE, /* unseen */
1019
1020 self_freeze, /* self_code */
1021 (uid_t)(-1), /* uid */
1022 (gid_t)(-1), /* gid */
1023
1024 NULL, /* fallback_hostlist */
1025 NULL, /* transport instance */
1026 NULL, /* pass_router */
1027 NULL /* redirect_router */
1028 };
1029
1030 ip_address_item *running_interfaces = NULL;
1031 BOOL running_in_test_harness = FALSE;
1032
1033 /* This is a weird one. The following string gets patched in the binary by the
1034 script that sets up a copy of Exim for running in the test harness. It seems
1035 that compilers are now clever, and share constant strings if they can.
1036 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1037 make use of the end of this string in order to save space. So the patching then
1038 wrecks this. We defeat this optimization by adding some additional characters
1039 onto the end of the string. */
1040
1041 uschar *running_status = US">>>running<<<" "\0EXTRA";
1042
1043 int runrc = 0;
1044
1045 uschar *search_error_message = NULL;
1046 BOOL search_find_defer = FALSE;
1047 uschar *self_hostname = NULL;
1048 uschar *sender_address = NULL;
1049 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1050 uschar *sender_address_data = NULL;
1051 BOOL sender_address_forced = FALSE;
1052 uschar *sender_address_unrewritten = NULL;
1053 uschar *sender_data = NULL;
1054 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1055 uschar *sender_fullhost = NULL;
1056 uschar *sender_helo_name = NULL;
1057 uschar **sender_host_aliases = &no_aliases;
1058 uschar *sender_host_address = NULL;
1059 uschar *sender_host_authenticated = NULL;
1060 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1061 uschar *sender_host_name = NULL;
1062 int sender_host_port = 0;
1063 BOOL sender_host_notsocket = FALSE;
1064 BOOL sender_host_unknown = FALSE;
1065 uschar *sender_ident = NULL;
1066 BOOL sender_local = FALSE;
1067 BOOL sender_name_forced = FALSE;
1068 uschar *sender_rate = NULL;
1069 uschar *sender_rate_limit = NULL;
1070 uschar *sender_rate_period = NULL;
1071 uschar *sender_rcvhost = NULL;
1072 BOOL sender_set_untrusted = FALSE;
1073 uschar *sender_unqualified_hosts = NULL;
1074 uschar *sender_verify_failure = NULL;
1075 address_item *sender_verified_list = NULL;
1076 address_item *sender_verified_failed = NULL;
1077 int sender_verified_rc = -1;
1078 BOOL sender_verified_responded = FALSE;
1079 uschar *sending_ip_address = NULL;
1080 int sending_port = -1;
1081 volatile BOOL sigalrm_seen = FALSE;
1082 uschar **sighup_argv = NULL;
1083 int smtp_accept_count = 0;
1084 BOOL smtp_accept_keepalive = TRUE;
1085 int smtp_accept_max = 20;
1086 int smtp_accept_max_nonmail= 10;
1087 uschar *smtp_accept_max_nonmail_hosts = US"*";
1088 int smtp_accept_max_per_connection = 1000;
1089 uschar *smtp_accept_max_per_host = NULL;
1090 int smtp_accept_queue = 0;
1091 int smtp_accept_queue_per_connection = 10;
1092 int smtp_accept_reserve = 0;
1093 uschar *smtp_active_hostname = NULL;
1094 BOOL smtp_authenticated = FALSE;
1095 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1096 "Exim $version_number $tod_full"
1097 "\0<---------------Space to patch smtp_banner->";
1098 BOOL smtp_batched_input = FALSE;
1099 BOOL smtp_check_spool_space = TRUE;
1100 int smtp_ch_index = 0;
1101 uschar *smtp_cmd_argument = NULL;
1102 uschar *smtp_cmd_buffer = NULL;
1103 time_t smtp_connection_start = 0;
1104 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1105 int smtp_connect_backlog = 20;
1106 double smtp_delay_mail = 0.0;
1107 double smtp_delay_rcpt = 0.0;
1108 BOOL smtp_enforce_sync = TRUE;
1109 FILE *smtp_in = NULL;
1110 BOOL smtp_input = FALSE;
1111 int smtp_load_reserve = -1;
1112 int smtp_mailcmd_count = 0;
1113 FILE *smtp_out = NULL;
1114 uschar *smtp_etrn_command = NULL;
1115 BOOL smtp_etrn_serialize = TRUE;
1116 int smtp_max_synprot_errors= 3;
1117 int smtp_max_unknown_commands = 3;
1118 uschar *smtp_notquit_reason = NULL;
1119 uschar *smtp_ratelimit_hosts = NULL;
1120 uschar *smtp_ratelimit_mail = NULL;
1121 uschar *smtp_ratelimit_rcpt = NULL;
1122 uschar *smtp_read_error = US"";
1123 int smtp_receive_timeout = 5*60;
1124 uschar *smtp_reserve_hosts = NULL;
1125 BOOL smtp_return_error_details = FALSE;
1126 int smtp_rlm_base = 0;
1127 double smtp_rlm_factor = 0.0;
1128 int smtp_rlm_limit = 0;
1129 int smtp_rlm_threshold = INT_MAX;
1130 int smtp_rlr_base = 0;
1131 double smtp_rlr_factor = 0.0;
1132 int smtp_rlr_limit = 0;
1133 int smtp_rlr_threshold = INT_MAX;
1134 BOOL smtp_use_pipelining = FALSE;
1135 BOOL smtp_use_size = FALSE;
1136
1137 #ifdef WITH_CONTENT_SCAN
1138 uschar *spamd_address = US"127.0.0.1 783";
1139 uschar *spam_bar = NULL;
1140 uschar *spam_report = NULL;
1141 uschar *spam_score = NULL;
1142 uschar *spam_score_int = NULL;
1143 #endif
1144 #ifdef EXPERIMENTAL_SPF
1145 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1146 uschar *spf_header_comment = NULL;
1147 uschar *spf_received = NULL;
1148 uschar *spf_result = NULL;
1149 uschar *spf_smtp_comment = NULL;
1150 #endif
1151
1152 BOOL split_spool_directory = FALSE;
1153 uschar *spool_directory = US SPOOL_DIRECTORY
1154 "\0<--------------Space to patch spool_directory->";
1155 #ifdef EXPERIMENTAL_SRS
1156 uschar *srs_config = NULL;
1157 uschar *srs_db_address = NULL;
1158 uschar *srs_db_key = NULL;
1159 int srs_hashlength = 6;
1160 int srs_hashmin = -1;
1161 int srs_maxage = 31;
1162 uschar *srs_orig_recipient = NULL;
1163 uschar *srs_orig_sender = NULL;
1164 uschar *srs_recipient = NULL;
1165 uschar *srs_secrets = NULL;
1166 uschar *srs_status = NULL;
1167 BOOL srs_usehash = TRUE;
1168 BOOL srs_usetimestamp = TRUE;
1169 #endif
1170 BOOL strict_acl_vars = FALSE;
1171 int string_datestamp_offset= -1;
1172 BOOL strip_excess_angle_brackets = FALSE;
1173 BOOL strip_trailing_dot = FALSE;
1174 uschar *submission_domain = NULL;
1175 BOOL submission_mode = FALSE;
1176 uschar *submission_name = NULL;
1177 BOOL suppress_local_fixups = FALSE;
1178 BOOL synchronous_delivery = FALSE;
1179 BOOL syslog_duplication = TRUE;
1180 int syslog_facility = LOG_MAIL;
1181 uschar *syslog_processname = US"exim";
1182 BOOL syslog_timestamp = TRUE;
1183 uschar *system_filter = NULL;
1184
1185 uschar *system_filter_directory_transport = NULL;
1186 uschar *system_filter_file_transport = NULL;
1187 uschar *system_filter_pipe_transport = NULL;
1188 uschar *system_filter_reply_transport = NULL;
1189
1190 gid_t system_filter_gid = 0;
1191 BOOL system_filter_gid_set = FALSE;
1192 uid_t system_filter_uid = 0;
1193 BOOL system_filter_uid_set = FALSE;
1194 BOOL system_filtering = FALSE;
1195
1196 BOOL tcp_nodelay = TRUE;
1197 #ifdef USE_TCP_WRAPPERS
1198 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1199 #endif
1200 int test_harness_load_avg = 0;
1201 int thismessage_size_limit = 0;
1202 int timeout_frozen_after = 0;
1203 BOOL timestamps_utc = FALSE;
1204
1205 transport_instance *transports = NULL;
1206
1207 transport_instance transport_defaults = {
1208 NULL, /* chain pointer */
1209 NULL, /* name */
1210 NULL, /* info */
1211 NULL, /* private options block pointer */
1212 NULL, /* driver name */
1213 NULL, /* setup entry point */
1214 1, /* batch_max */
1215 NULL, /* batch_id */
1216 NULL, /* home_dir */
1217 NULL, /* current_dir */
1218 TRUE, /* multi-domain */
1219 FALSE, /* overrides_hosts */
1220 100, /* max_addresses */
1221 500, /* connection_max_messages */
1222 FALSE, /* deliver_as_creator */
1223 FALSE, /* disable_logging */
1224 FALSE, /* initgroups */
1225 FALSE, /* uid_set */
1226 FALSE, /* gid_set */
1227 (uid_t)(-1), /* uid */
1228 (gid_t)(-1), /* gid */
1229 NULL, /* expand_uid */
1230 NULL, /* expand_gid */
1231 NULL, /* warn_message */
1232 NULL, /* shadow */
1233 NULL, /* shadow_condition */
1234 NULL, /* filter_command */
1235 NULL, /* add_headers */
1236 NULL, /* remove_headers */
1237 NULL, /* return_path */
1238 NULL, /* debug_string */
1239 NULL, /* message_size_limit */
1240 NULL, /* headers_rewrite */
1241 NULL, /* rewrite_rules */
1242 0, /* rewrite_existflags */
1243 300, /* filter_timeout */
1244 FALSE, /* body_only */
1245 FALSE, /* delivery_date_add */
1246 FALSE, /* envelope_to_add */
1247 FALSE, /* headers_only */
1248 FALSE, /* rcpt_include_affixes */
1249 FALSE, /* return_path_add */
1250 FALSE, /* return_output */
1251 FALSE, /* return_fail_output */
1252 FALSE, /* log_output */
1253 FALSE, /* log_fail_output */
1254 FALSE, /* log_defer_output */
1255 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1256 1 nor 0 so can detect unset */
1257 };
1258
1259 int transport_count;
1260 uschar **transport_filter_argv = NULL;
1261 int transport_filter_timeout;
1262 BOOL transport_filter_timed_out = FALSE;
1263 int transport_write_timeout= 0;
1264
1265 tree_node *tree_dns_fails = NULL;
1266 tree_node *tree_duplicates = NULL;
1267 tree_node *tree_nonrecipients = NULL;
1268 tree_node *tree_unusable = NULL;
1269
1270 BOOL trusted_caller = FALSE;
1271 BOOL trusted_config = TRUE;
1272 gid_t *trusted_groups = NULL;
1273 uid_t *trusted_users = NULL;
1274 uschar *timezone_string = US TIMEZONE_DEFAULT;
1275
1276 uschar *unknown_login = NULL;
1277 uschar *unknown_username = NULL;
1278 uschar *untrusted_set_sender = NULL;
1279
1280 /* A regex for matching a "From_" line in an incoming message, in the form
1281
1282 From ph10 Fri Jan 5 12:35 GMT 1996
1283
1284 which the "mail" commands send to the MTA (undocumented, of course), or in
1285 the form
1286
1287 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1288
1289 which is apparently used by some UUCPs, despite it not being in RFC 976.
1290 Because of variations in time formats, just match up to the minutes. That
1291 should be sufficient. Examples have been seen of time fields like 12:1:03,
1292 so just require one digit for hours and minutes. The weekday is also absent
1293 in some forms. */
1294
1295 uschar *uucp_from_pattern = US
1296 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1297 "(?:" /* Non-extracting bracket */
1298 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1299 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1300 ")" /* End alternation */
1301 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1302
1303 uschar *uucp_from_sender = US"$1";
1304
1305 uschar *warn_message_file = NULL;
1306 uschar *warnmsg_delay = NULL;
1307 uschar *warnmsg_recipients = NULL;
1308 BOOL write_rejectlog = TRUE;
1309
1310 uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1311 uschar *version_date = US"?";
1312 uschar *version_cnumber = US"????";
1313 uschar *version_string = US"?";
1314
1315 int warning_count = 0;
1316
1317 /* End of globals.c */
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