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Added tls_dh_max_bits & check tls_require_ciphers early.
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2012 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "driver", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, driver_name)) },
22 { "public_name", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, public_name)) },
24 { "server_advertise_condition", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, advertise_condition))},
26 { "server_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, server_condition)) },
28 { "server_debug_print", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_debug_string)) },
30 { "server_mail_auth_condition", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, mail_auth_condition)) },
32 { "server_set_id", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, set_id)) }
34 };
35
36 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
37
38 /* An empty host aliases list. */
39
40 uschar *no_aliases = NULL;
41
42
43 /* For comments on these variables, see globals.h. I'm too idle to
44 duplicate them here... */
45
46 #ifdef EXIM_PERL
47 uschar *opt_perl_startup = NULL;
48 BOOL opt_perl_at_start = FALSE;
49 BOOL opt_perl_started = FALSE;
50 #endif
51
52 #ifdef EXPAND_DLFUNC
53 tree_node *dlobj_anchor = NULL;
54 #endif
55
56 #ifdef LOOKUP_IBASE
57 uschar *ibase_servers = NULL;
58 #endif
59
60 #ifdef LOOKUP_LDAP
61 uschar *eldap_ca_cert_dir = NULL;
62 uschar *eldap_ca_cert_file = NULL;
63 uschar *eldap_cert_file = NULL;
64 uschar *eldap_cert_key = NULL;
65 uschar *eldap_cipher_suite = NULL;
66 uschar *eldap_default_servers = NULL;
67 uschar *eldap_require_cert = NULL;
68 int eldap_version = -1;
69 BOOL eldap_start_tls = FALSE;
70 #endif
71
72 #ifdef LOOKUP_MYSQL
73 uschar *mysql_servers = NULL;
74 #endif
75
76 #ifdef LOOKUP_ORACLE
77 uschar *oracle_servers = NULL;
78 #endif
79
80 #ifdef LOOKUP_PGSQL
81 uschar *pgsql_servers = NULL;
82 #endif
83
84 #ifdef LOOKUP_SQLITE
85 int sqlite_lock_timeout = 5;
86 #endif
87
88 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
89 BOOL move_frozen_messages = FALSE;
90 #endif
91
92 /* These variables are outside the #ifdef because it keeps the code less
93 cluttered in several places (e.g. during logging) if we can always refer to
94 them. Also, the tls_ variables are now always visible. */
95
96 BOOL tls_active = -1;
97 int tls_bits = 0;
98 BOOL tls_certificate_verified = FALSE;
99 uschar *tls_cipher = NULL;
100 BOOL tls_on_connect = FALSE;
101 uschar *tls_on_connect_ports = NULL;
102 uschar *tls_peerdn = NULL;
103
104 #ifdef SUPPORT_TLS
105 BOOL gnutls_compat_mode = FALSE;
106 uschar *gnutls_require_mac = NULL;
107 uschar *gnutls_require_kx = NULL;
108 uschar *gnutls_require_proto = NULL;
109 uschar *openssl_options = NULL;
110 const pcre *regex_STARTTLS = NULL;
111 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
112 uschar *tls_certificate = NULL;
113 uschar *tls_crl = NULL;
114 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
115 that's the interop problem which has been observed: GnuTLS suggesting a higher
116 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
117 int tls_dh_max_bits = 2236;
118 uschar *tls_dhparam = NULL;
119 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
120 uschar *tls_ocsp_file = NULL;
121 #endif
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_sni = 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 = TRUE; /* deliberately not RFC compliant */
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 BOOL av_failed = FALSE;
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 int dns_use_edns0 = -1; /* <0 = not coerced */
553 uschar *dnslist_domain = NULL;
554 uschar *dnslist_matched = NULL;
555 uschar *dnslist_text = NULL;
556 uschar *dnslist_value = NULL;
557 tree_node *domainlist_anchor = NULL;
558 int domainlist_count = 0;
559 BOOL dont_deliver = FALSE;
560 BOOL dot_ends = TRUE;
561 BOOL drop_cr = FALSE; /* No longer used */
562 uschar *dsn_from = US DEFAULT_DSN_FROM;
563
564 BOOL enable_dollar_recipients = FALSE;
565 BOOL envelope_to_remove = TRUE;
566 int errno_quota = ERRNO_QUOTA;
567 uschar *errors_copy = NULL;
568 int error_handling = ERRORS_SENDER;
569 uschar *errors_reply_to = NULL;
570 int errors_sender_rc = EXIT_FAILURE;
571
572 gid_t exim_gid = EXIM_GID;
573 BOOL exim_gid_set = TRUE; /* This gid is always set */
574 uschar *exim_path = US BIN_DIRECTORY "/exim"
575 "\0<---------------Space to patch exim_path->";
576 uid_t exim_uid = EXIM_UID;
577 BOOL exim_uid_set = TRUE; /* This uid is always set */
578 int expand_forbid = 0;
579 int expand_nlength[EXPAND_MAXN+1];
580 int expand_nmax = -1;
581 uschar *expand_nstring[EXPAND_MAXN+1];
582 BOOL expand_string_forcedfail = FALSE;
583 uschar *expand_string_message;
584 BOOL extract_addresses_remove_arguments = TRUE;
585 uschar *extra_local_interfaces = NULL;
586
587 int fake_response = OK;
588 uschar *fake_response_text = US"Your message has been rejected but is "
589 "being kept for evaluation.\nIf it was a "
590 "legitimate message, it may still be "
591 "delivered to the target recipient(s).";
592 int filter_n[FILTER_VARIABLE_COUNT];
593 BOOL filter_running = FALSE;
594 int filter_sn[FILTER_VARIABLE_COUNT];
595 int filter_test = FTEST_NONE;
596 uschar *filter_test_sfile = NULL;
597 uschar *filter_test_ufile = NULL;
598 uschar *filter_thisaddress = NULL;
599 int finduser_retries = 0;
600 #ifdef WITH_OLD_DEMIME
601 uschar *found_extension = NULL;
602 #endif
603 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
604 uschar *freeze_tell = NULL;
605 uschar *freeze_tell_config = NULL;
606 uschar *fudged_queue_times = US"";
607
608 uschar *gecos_name = NULL;
609 uschar *gecos_pattern = NULL;
610 rewrite_rule *global_rewrite_rules = NULL;
611
612 uschar *headers_charset = US HEADERS_CHARSET;
613 int header_insert_maxlen = 64 * 1024;
614 header_line *header_last = NULL;
615 header_line *header_list = NULL;
616 int header_maxsize = HEADER_MAXSIZE;
617 int header_line_maxsize = 0;
618
619 header_name header_names[] = {
620 { US"bcc", 3, TRUE, htype_bcc },
621 { US"cc", 2, TRUE, htype_cc },
622 { US"date", 4, TRUE, htype_date },
623 { US"delivery-date", 13, FALSE, htype_delivery_date },
624 { US"envelope-to", 11, FALSE, htype_envelope_to },
625 { US"from", 4, TRUE, htype_from },
626 { US"message-id", 10, TRUE, htype_id },
627 { US"received", 8, FALSE, htype_received },
628 { US"reply-to", 8, FALSE, htype_reply_to },
629 { US"return-path", 11, FALSE, htype_return_path },
630 { US"sender", 6, TRUE, htype_sender },
631 { US"subject", 7, FALSE, htype_subject },
632 { US"to", 2, TRUE, htype_to }
633 };
634
635 int header_names_size = sizeof(header_names)/sizeof(header_name);
636
637 BOOL header_rewritten = FALSE;
638 uschar *helo_accept_junk_hosts = NULL;
639 uschar *helo_allow_chars = US"";
640 uschar *helo_lookup_domains = US"@ : @[]";
641 uschar *helo_try_verify_hosts = NULL;
642 BOOL helo_verified = FALSE;
643 BOOL helo_verify_failed = FALSE;
644 uschar *helo_verify_hosts = NULL;
645 const uschar *hex_digits = CUS"0123456789abcdef";
646 uschar *hold_domains = NULL;
647 BOOL host_checking = FALSE;
648 BOOL host_checking_callout = FALSE;
649 uschar *host_data = NULL;
650 BOOL host_find_failed_syntax= FALSE;
651 uschar *host_lookup = NULL;
652 BOOL host_lookup_deferred = FALSE;
653 BOOL host_lookup_failed = FALSE;
654 uschar *host_lookup_order = US"bydns:byaddr";
655 uschar *host_lookup_msg = US"";
656 int host_number = 0;
657 uschar *host_number_string = NULL;
658 uschar *host_reject_connection = NULL;
659 tree_node *hostlist_anchor = NULL;
660 int hostlist_count = 0;
661 uschar *hosts_treat_as_local = NULL;
662 uschar *hosts_connection_nolog = NULL;
663
664 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
665 BOOL ignore_fromline_local = FALSE;
666 uschar *ignore_fromline_hosts = NULL;
667 BOOL inetd_wait_mode = FALSE;
668 int inetd_wait_timeout = -1;
669 uschar *interface_address = NULL;
670 int interface_port = -1;
671 BOOL is_inetd = FALSE;
672 uschar *iterate_item = NULL;
673
674 int journal_fd = -1;
675
676 int keep_malformed = 4*24*60*60; /* 4 days */
677
678 uschar *eldap_dn = NULL;
679 int load_average = -2;
680 BOOL local_error_message = FALSE;
681 BOOL local_from_check = TRUE;
682 uschar *local_from_prefix = NULL;
683 uschar *local_from_suffix = NULL;
684
685 #if HAVE_IPV6
686 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
687 #else
688 uschar *local_interfaces = US"0.0.0.0";
689 #endif
690
691 uschar *local_scan_data = NULL;
692 int local_scan_timeout = 5*60;
693 BOOL local_sender_retain = FALSE;
694 gid_t local_user_gid = (gid_t)(-1);
695 uid_t local_user_uid = (uid_t)(-1);
696
697 tree_node *localpartlist_anchor= NULL;
698 int localpartlist_count = 0;
699 uschar *log_buffer = NULL;
700 unsigned int log_extra_selector = LX_default;
701 uschar *log_file_path = US LOG_FILE_PATH
702 "\0<--------------Space to patch log_file_path->";
703
704 /* Those log options with L_xxx identifiers have values less than 0x800000 and
705 are the ones that get put into log_write_selector. They can be used in calls to
706 log_write() to test for the bit. The options with LX_xxx identifiers have
707 values greater than 0x80000000 and are put into log_extra_selector (without the
708 top bit). They are never used in calls to log_write(), but are tested
709 independently. This separation became necessary when the number of log
710 selectors was getting close to filling a 32-bit word. */
711
712 /* Note that this list must be in alphabetical order. */
713
714 bit_table log_options[] = {
715 { US"acl_warn_skipped", LX_acl_warn_skipped },
716 { US"address_rewrite", L_address_rewrite },
717 { US"all", L_all },
718 { US"all_parents", L_all_parents },
719 { US"arguments", LX_arguments },
720 { US"connection_reject", L_connection_reject },
721 { US"delay_delivery", L_delay_delivery },
722 { US"deliver_time", LX_deliver_time },
723 { US"delivery_size", LX_delivery_size },
724 { US"dnslist_defer", L_dnslist_defer },
725 { US"etrn", L_etrn },
726 { US"host_lookup_failed", L_host_lookup_failed },
727 { US"ident_timeout", LX_ident_timeout },
728 { US"incoming_interface", LX_incoming_interface },
729 { US"incoming_port", LX_incoming_port },
730 { US"lost_incoming_connection", L_lost_incoming_connection },
731 { US"outgoing_port", LX_outgoing_port },
732 { US"pid", LX_pid },
733 { US"queue_run", L_queue_run },
734 { US"queue_time", LX_queue_time },
735 { US"queue_time_overall", LX_queue_time_overall },
736 { US"received_recipients", LX_received_recipients },
737 { US"received_sender", LX_received_sender },
738 { US"rejected_header", LX_rejected_header },
739 { US"rejected_headers", LX_rejected_header },
740 { US"retry_defer", L_retry_defer },
741 { US"return_path_on_delivery", LX_return_path_on_delivery },
742 { US"sender_on_delivery", LX_sender_on_delivery },
743 { US"sender_verify_fail", LX_sender_verify_fail },
744 { US"size_reject", L_size_reject },
745 { US"skip_delivery", L_skip_delivery },
746 { US"smtp_confirmation", LX_smtp_confirmation },
747 { US"smtp_connection", L_smtp_connection },
748 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
749 { US"smtp_no_mail", LX_smtp_no_mail },
750 { US"smtp_protocol_error", L_smtp_protocol_error },
751 { US"smtp_syntax_error", L_smtp_syntax_error },
752 { US"subject", LX_subject },
753 { US"tls_certificate_verified", LX_tls_certificate_verified },
754 { US"tls_cipher", LX_tls_cipher },
755 { US"tls_peerdn", LX_tls_peerdn },
756 { US"tls_sni", LX_tls_sni },
757 { US"unknown_in_list", LX_unknown_in_list }
758 };
759
760 int log_options_count = sizeof(log_options)/sizeof(bit_table);
761 int log_reject_target = 0;
762 uschar *log_selector_string = NULL;
763 FILE *log_stderr = NULL;
764 BOOL log_testing_mode = FALSE;
765 BOOL log_timezone = FALSE;
766 unsigned int log_write_selector= L_default;
767 uschar *login_sender_address = NULL;
768 int lookup_open_max = 25;
769 uschar *lookup_value = NULL;
770
771 macro_item *macros = NULL;
772 uschar *mailstore_basename = NULL;
773 #ifdef WITH_CONTENT_SCAN
774 uschar *malware_name = NULL; /* Virus Name */
775 #endif
776 int max_received_linelength= 0;
777 int max_username_length = 0;
778 int message_age = 0;
779 uschar *message_body = NULL;
780 uschar *message_body_end = NULL;
781 BOOL message_body_newlines = FALSE;
782 int message_body_size = 0;
783 int message_body_visible = 500;
784 int message_ended = END_NOTSTARTED;
785 uschar *message_headers = NULL;
786 uschar *message_id;
787 uschar *message_id_domain = NULL;
788 uschar *message_id_text = NULL;
789 struct timeval message_id_tv = { 0, 0 };
790 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
791 uschar *message_id_external;
792 int message_linecount = 0;
793 BOOL message_logs = TRUE;
794 int message_size = 0;
795 uschar *message_size_limit = US"50M";
796 uschar message_subdir[2] = { 0, 0 };
797 uschar *message_reference = NULL;
798
799 /* MIME ACL expandables */
800 #ifdef WITH_CONTENT_SCAN
801 int mime_anomaly_level = 0;
802 const uschar *mime_anomaly_text = NULL;
803 uschar *mime_boundary = NULL;
804 uschar *mime_charset = NULL;
805 uschar *mime_content_description = NULL;
806 uschar *mime_content_disposition = NULL;
807 uschar *mime_content_id = NULL;
808 unsigned int mime_content_size = 0;
809 uschar *mime_content_transfer_encoding = NULL;
810 uschar *mime_content_type = NULL;
811 uschar *mime_decoded_filename = NULL;
812 uschar *mime_filename = NULL;
813 int mime_is_multipart = 0;
814 int mime_is_coverletter = 0;
815 int mime_is_rfc822 = 0;
816 int mime_part_count = -1;
817 #endif
818
819 BOOL mua_wrapper = FALSE;
820
821 uid_t *never_users = NULL;
822 #ifdef WITH_CONTENT_SCAN
823 BOOL no_mbox_unspool = FALSE;
824 #endif
825 BOOL no_multiline_responses = FALSE;
826
827 uid_t original_euid;
828 gid_t originator_gid;
829 uschar *originator_login = NULL;
830 uschar *originator_name = NULL;
831 uid_t originator_uid;
832 uschar *override_local_interfaces = NULL;
833 uschar *override_pid_file_path = NULL;
834
835 BOOL parse_allow_group = FALSE;
836 BOOL parse_found_group = FALSE;
837 uschar *percent_hack_domains = NULL;
838 uschar *pid_file_path = US PID_FILE_PATH
839 "\0<--------------Space to patch pid_file_path->";
840 BOOL pipelining_enable = TRUE;
841 uschar *pipelining_advertise_hosts = US"*";
842 BOOL preserve_message_logs = FALSE;
843 uschar *primary_hostname = NULL;
844 BOOL print_topbitchars = FALSE;
845 uschar process_info[PROCESS_INFO_SIZE];
846 int process_info_len = 0;
847 uschar *process_log_path = NULL;
848 BOOL prod_requires_admin = TRUE;
849 uschar *prvscheck_address = NULL;
850 uschar *prvscheck_keynum = NULL;
851 uschar *prvscheck_result = NULL;
852
853
854 uschar *qualify_domain_recipient = NULL;
855 uschar *qualify_domain_sender = NULL;
856 BOOL queue_2stage = FALSE;
857 uschar *queue_domains = NULL;
858 int queue_interval = -1;
859 BOOL queue_list_requires_admin = TRUE;
860 BOOL queue_only = FALSE;
861 uschar *queue_only_file = NULL;
862 int queue_only_load = -1;
863 BOOL queue_only_load_latch = TRUE;
864 BOOL queue_only_override = TRUE;
865 BOOL queue_only_policy = FALSE;
866 BOOL queue_run_first_delivery = FALSE;
867 BOOL queue_run_force = FALSE;
868 BOOL queue_run_in_order = FALSE;
869 BOOL queue_run_local = FALSE;
870 int queue_run_max = 5;
871 pid_t queue_run_pid = (pid_t)0;
872 int queue_run_pipe = -1;
873 BOOL queue_running = FALSE;
874 BOOL queue_smtp = FALSE;
875 uschar *queue_smtp_domains = NULL;
876
877 unsigned int random_seed = 0;
878 tree_node *ratelimiters_cmd = NULL;
879 tree_node *ratelimiters_conn = NULL;
880 tree_node *ratelimiters_mail = NULL;
881 uschar *raw_active_hostname = NULL;
882 uschar *raw_sender = NULL;
883 uschar **raw_recipients = NULL;
884 int raw_recipients_count = 0;
885
886 int rcpt_count = 0;
887 int rcpt_fail_count = 0;
888 int rcpt_defer_count = 0;
889 gid_t real_gid;
890 uid_t real_uid;
891 BOOL really_exim = TRUE;
892 BOOL receive_call_bombout = FALSE;
893 int receive_linecount = 0;
894 int receive_messagecount = 0;
895 int receive_timeout = 0;
896 int received_count = 0;
897 uschar *received_for = NULL;
898
899 /* This is the default text for Received headers generated by Exim. The
900 date will be automatically added on the end. */
901
902 uschar *received_header_text = US
903 "Received: "
904 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
905 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
906 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
907 "by $primary_hostname "
908 "${if def:received_protocol {with $received_protocol}} "
909 #ifdef SUPPORT_TLS
910 "${if def:tls_cipher {($tls_cipher)\n\t}}"
911 #endif
912 "(Exim $version_number)\n\t"
913 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
914 "id $message_exim_id"
915 "${if def:received_for {\n\tfor $received_for}}"
916 "\0<---------------Space to patch received_header_text->";
917
918 int received_headers_max = 30;
919 uschar *received_protocol = NULL;
920 int received_time = 0;
921 uschar *recipient_data = NULL;
922 uschar *recipient_unqualified_hosts = NULL;
923 uschar *recipient_verify_failure = NULL;
924 int recipients_count = 0;
925 BOOL recipients_discarded = FALSE;
926 recipient_item *recipients_list = NULL;
927 int recipients_list_max = 0;
928 int recipients_max = 0;
929 BOOL recipients_max_reject = FALSE;
930 const pcre *regex_AUTH = NULL;
931 const pcre *regex_check_dns_names = NULL;
932 const pcre *regex_From = NULL;
933 const pcre *regex_IGNOREQUOTA = NULL;
934 const pcre *regex_PIPELINING = NULL;
935 const pcre *regex_SIZE = NULL;
936 const pcre *regex_smtp_code = NULL;
937 const pcre *regex_ismsgid = NULL;
938 #ifdef WHITELIST_D_MACROS
939 const pcre *regex_whitelisted_macro = NULL;
940 #endif
941 #ifdef WITH_CONTENT_SCAN
942 uschar *regex_match_string = NULL;
943 #endif
944 int remote_delivery_count = 0;
945 int remote_max_parallel = 2;
946 uschar *remote_sort_domains = NULL;
947 int retry_data_expire = 7*24*60*60;
948 int retry_interval_max = 24*60*60;
949 int retry_maximum_timeout = 0; /* set from retry config */
950 retry_config *retries = NULL;
951 uschar *return_path = NULL;
952 BOOL return_path_remove = TRUE;
953 int rewrite_existflags = 0;
954 uschar *rfc1413_hosts = US"*";
955 int rfc1413_query_timeout = 5;
956 /* BOOL rfc821_domains = FALSE; <<< on the way out */
957 uid_t root_gid = ROOT_GID;
958 uid_t root_uid = ROOT_UID;
959
960 router_instance *routers = NULL;
961 router_instance router_defaults = {
962 NULL, /* chain pointer */
963 NULL, /* name */
964 NULL, /* info */
965 NULL, /* private options block pointer */
966 NULL, /* driver name */
967
968 NULL, /* address_data */
969 #ifdef EXPERIMENTAL_BRIGHTMAIL
970 NULL, /* bmi_rule */
971 #endif
972 NULL, /* cannot_route_message */
973 NULL, /* condition */
974 NULL, /* current_directory */
975 NULL, /* debug_string */
976 NULL, /* domains */
977 NULL, /* errors_to */
978 NULL, /* expand_gid */
979 NULL, /* expand_uid */
980 NULL, /* expand_more */
981 NULL, /* expand_unseen */
982 NULL, /* extra_headers */
983 NULL, /* fallback_hosts */
984 NULL, /* home_directory */
985 NULL, /* ignore_target_hosts */
986 NULL, /* local_parts */
987 NULL, /* pass_router_name */
988 NULL, /* prefix */
989 NULL, /* redirect_router_name */
990 NULL, /* remove_headers */
991 NULL, /* require_files */
992 NULL, /* router_home_directory */
993 US"freeze", /* self */
994 NULL, /* senders */
995 NULL, /* suffix */
996 NULL, /* translate_ip_address */
997 NULL, /* transport_name */
998
999 TRUE, /* address_test */
1000 #ifdef EXPERIMENTAL_BRIGHTMAIL
1001 FALSE, /* bmi_deliver_alternate */
1002 FALSE, /* bmi_deliver_default */
1003 FALSE, /* bmi_dont_deliver */
1004 #endif
1005 TRUE, /* expn */
1006 FALSE, /* caseful_local_part */
1007 FALSE, /* check_local_user */
1008 FALSE, /* disable_logging */
1009 FALSE, /* fail_verify_recipient */
1010 FALSE, /* fail_verify_sender */
1011 FALSE, /* gid_set */
1012 FALSE, /* initgroups */
1013 TRUE_UNSET, /* log_as_local */
1014 TRUE, /* more */
1015 FALSE, /* pass_on_timeout */
1016 FALSE, /* prefix_optional */
1017 TRUE, /* repeat_use */
1018 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1019 FALSE, /* same_domain_copy_routing */
1020 FALSE, /* self_rewrite */
1021 FALSE, /* suffix_optional */
1022 FALSE, /* verify_only */
1023 TRUE, /* verify_recipient */
1024 TRUE, /* verify_sender */
1025 FALSE, /* uid_set */
1026 FALSE, /* unseen */
1027
1028 self_freeze, /* self_code */
1029 (uid_t)(-1), /* uid */
1030 (gid_t)(-1), /* gid */
1031
1032 NULL, /* fallback_hostlist */
1033 NULL, /* transport instance */
1034 NULL, /* pass_router */
1035 NULL /* redirect_router */
1036 };
1037
1038 ip_address_item *running_interfaces = NULL;
1039 BOOL running_in_test_harness = FALSE;
1040
1041 /* This is a weird one. The following string gets patched in the binary by the
1042 script that sets up a copy of Exim for running in the test harness. It seems
1043 that compilers are now clever, and share constant strings if they can.
1044 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1045 make use of the end of this string in order to save space. So the patching then
1046 wrecks this. We defeat this optimization by adding some additional characters
1047 onto the end of the string. */
1048
1049 uschar *running_status = US">>>running<<<" "\0EXTRA";
1050
1051 int runrc = 0;
1052
1053 uschar *search_error_message = NULL;
1054 BOOL search_find_defer = FALSE;
1055 uschar *self_hostname = NULL;
1056 uschar *sender_address = NULL;
1057 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1058 uschar *sender_address_data = NULL;
1059 BOOL sender_address_forced = FALSE;
1060 uschar *sender_address_unrewritten = NULL;
1061 uschar *sender_data = NULL;
1062 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1063 uschar *sender_fullhost = NULL;
1064 uschar *sender_helo_name = NULL;
1065 uschar **sender_host_aliases = &no_aliases;
1066 uschar *sender_host_address = NULL;
1067 uschar *sender_host_authenticated = NULL;
1068 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1069 uschar *sender_host_name = NULL;
1070 int sender_host_port = 0;
1071 BOOL sender_host_notsocket = FALSE;
1072 BOOL sender_host_unknown = FALSE;
1073 uschar *sender_ident = NULL;
1074 BOOL sender_local = FALSE;
1075 BOOL sender_name_forced = FALSE;
1076 uschar *sender_rate = NULL;
1077 uschar *sender_rate_limit = NULL;
1078 uschar *sender_rate_period = NULL;
1079 uschar *sender_rcvhost = NULL;
1080 BOOL sender_set_untrusted = FALSE;
1081 uschar *sender_unqualified_hosts = NULL;
1082 uschar *sender_verify_failure = NULL;
1083 address_item *sender_verified_list = NULL;
1084 address_item *sender_verified_failed = NULL;
1085 int sender_verified_rc = -1;
1086 BOOL sender_verified_responded = FALSE;
1087 uschar *sending_ip_address = NULL;
1088 int sending_port = -1;
1089 SIGNAL_BOOL sigalrm_seen = FALSE;
1090 uschar **sighup_argv = NULL;
1091 int smtp_accept_count = 0;
1092 BOOL smtp_accept_keepalive = TRUE;
1093 int smtp_accept_max = 20;
1094 int smtp_accept_max_nonmail= 10;
1095 uschar *smtp_accept_max_nonmail_hosts = US"*";
1096 int smtp_accept_max_per_connection = 1000;
1097 uschar *smtp_accept_max_per_host = NULL;
1098 int smtp_accept_queue = 0;
1099 int smtp_accept_queue_per_connection = 10;
1100 int smtp_accept_reserve = 0;
1101 uschar *smtp_active_hostname = NULL;
1102 BOOL smtp_authenticated = FALSE;
1103 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1104 "Exim $version_number $tod_full"
1105 "\0<---------------Space to patch smtp_banner->";
1106 BOOL smtp_batched_input = FALSE;
1107 BOOL smtp_check_spool_space = TRUE;
1108 int smtp_ch_index = 0;
1109 uschar *smtp_cmd_argument = NULL;
1110 uschar *smtp_cmd_buffer = NULL;
1111 time_t smtp_connection_start = 0;
1112 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1113 int smtp_connect_backlog = 20;
1114 double smtp_delay_mail = 0.0;
1115 double smtp_delay_rcpt = 0.0;
1116 BOOL smtp_enforce_sync = TRUE;
1117 FILE *smtp_in = NULL;
1118 BOOL smtp_input = FALSE;
1119 int smtp_load_reserve = -1;
1120 int smtp_mailcmd_count = 0;
1121 FILE *smtp_out = NULL;
1122 uschar *smtp_etrn_command = NULL;
1123 BOOL smtp_etrn_serialize = TRUE;
1124 int smtp_max_synprot_errors= 3;
1125 int smtp_max_unknown_commands = 3;
1126 uschar *smtp_notquit_reason = NULL;
1127 uschar *smtp_ratelimit_hosts = NULL;
1128 uschar *smtp_ratelimit_mail = NULL;
1129 uschar *smtp_ratelimit_rcpt = NULL;
1130 uschar *smtp_read_error = US"";
1131 int smtp_receive_timeout = 5*60;
1132 uschar *smtp_reserve_hosts = NULL;
1133 BOOL smtp_return_error_details = FALSE;
1134 int smtp_rlm_base = 0;
1135 double smtp_rlm_factor = 0.0;
1136 int smtp_rlm_limit = 0;
1137 int smtp_rlm_threshold = INT_MAX;
1138 int smtp_rlr_base = 0;
1139 double smtp_rlr_factor = 0.0;
1140 int smtp_rlr_limit = 0;
1141 int smtp_rlr_threshold = INT_MAX;
1142 BOOL smtp_use_pipelining = FALSE;
1143 BOOL smtp_use_size = FALSE;
1144
1145 #ifdef WITH_CONTENT_SCAN
1146 uschar *spamd_address = US"127.0.0.1 783";
1147 uschar *spam_bar = NULL;
1148 uschar *spam_report = NULL;
1149 uschar *spam_score = NULL;
1150 uschar *spam_score_int = NULL;
1151 #endif
1152 #ifdef EXPERIMENTAL_SPF
1153 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1154 uschar *spf_header_comment = NULL;
1155 uschar *spf_received = NULL;
1156 uschar *spf_result = NULL;
1157 uschar *spf_smtp_comment = NULL;
1158 #endif
1159
1160 BOOL split_spool_directory = FALSE;
1161 uschar *spool_directory = US SPOOL_DIRECTORY
1162 "\0<--------------Space to patch spool_directory->";
1163 #ifdef EXPERIMENTAL_SRS
1164 uschar *srs_config = NULL;
1165 uschar *srs_db_address = NULL;
1166 uschar *srs_db_key = NULL;
1167 int srs_hashlength = 6;
1168 int srs_hashmin = -1;
1169 int srs_maxage = 31;
1170 uschar *srs_orig_recipient = NULL;
1171 uschar *srs_orig_sender = NULL;
1172 uschar *srs_recipient = NULL;
1173 uschar *srs_secrets = NULL;
1174 uschar *srs_status = NULL;
1175 BOOL srs_usehash = TRUE;
1176 BOOL srs_usetimestamp = TRUE;
1177 #endif
1178 BOOL strict_acl_vars = FALSE;
1179 int string_datestamp_offset= -1;
1180 int string_datestamp_length= 0;
1181 int string_datestamp_type = -1;
1182 BOOL strip_excess_angle_brackets = FALSE;
1183 BOOL strip_trailing_dot = FALSE;
1184 uschar *submission_domain = NULL;
1185 BOOL submission_mode = FALSE;
1186 uschar *submission_name = NULL;
1187 BOOL suppress_local_fixups = FALSE;
1188 BOOL synchronous_delivery = FALSE;
1189 BOOL syslog_duplication = TRUE;
1190 int syslog_facility = LOG_MAIL;
1191 uschar *syslog_processname = US"exim";
1192 BOOL syslog_timestamp = TRUE;
1193 uschar *system_filter = NULL;
1194
1195 uschar *system_filter_directory_transport = NULL;
1196 uschar *system_filter_file_transport = NULL;
1197 uschar *system_filter_pipe_transport = NULL;
1198 uschar *system_filter_reply_transport = NULL;
1199
1200 gid_t system_filter_gid = 0;
1201 BOOL system_filter_gid_set = FALSE;
1202 uid_t system_filter_uid = (uid_t)-1;
1203 BOOL system_filter_uid_set = FALSE;
1204 BOOL system_filtering = FALSE;
1205
1206 BOOL tcp_nodelay = TRUE;
1207 #ifdef USE_TCP_WRAPPERS
1208 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1209 #endif
1210 int test_harness_load_avg = 0;
1211 int thismessage_size_limit = 0;
1212 int timeout_frozen_after = 0;
1213 BOOL timestamps_utc = FALSE;
1214
1215 transport_instance *transports = NULL;
1216
1217 transport_instance transport_defaults = {
1218 NULL, /* chain pointer */
1219 NULL, /* name */
1220 NULL, /* info */
1221 NULL, /* private options block pointer */
1222 NULL, /* driver name */
1223 NULL, /* setup entry point */
1224 1, /* batch_max */
1225 NULL, /* batch_id */
1226 NULL, /* home_dir */
1227 NULL, /* current_dir */
1228 TRUE, /* multi-domain */
1229 FALSE, /* overrides_hosts */
1230 100, /* max_addresses */
1231 500, /* connection_max_messages */
1232 FALSE, /* deliver_as_creator */
1233 FALSE, /* disable_logging */
1234 FALSE, /* initgroups */
1235 FALSE, /* uid_set */
1236 FALSE, /* gid_set */
1237 (uid_t)(-1), /* uid */
1238 (gid_t)(-1), /* gid */
1239 NULL, /* expand_uid */
1240 NULL, /* expand_gid */
1241 NULL, /* warn_message */
1242 NULL, /* shadow */
1243 NULL, /* shadow_condition */
1244 NULL, /* filter_command */
1245 NULL, /* add_headers */
1246 NULL, /* remove_headers */
1247 NULL, /* return_path */
1248 NULL, /* debug_string */
1249 NULL, /* message_size_limit */
1250 NULL, /* headers_rewrite */
1251 NULL, /* rewrite_rules */
1252 0, /* rewrite_existflags */
1253 300, /* filter_timeout */
1254 FALSE, /* body_only */
1255 FALSE, /* delivery_date_add */
1256 FALSE, /* envelope_to_add */
1257 FALSE, /* headers_only */
1258 FALSE, /* rcpt_include_affixes */
1259 FALSE, /* return_path_add */
1260 FALSE, /* return_output */
1261 FALSE, /* return_fail_output */
1262 FALSE, /* log_output */
1263 FALSE, /* log_fail_output */
1264 FALSE, /* log_defer_output */
1265 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1266 1 nor 0 so can detect unset */
1267 };
1268
1269 int transport_count;
1270 int transport_newlines;
1271 uschar **transport_filter_argv = NULL;
1272 int transport_filter_timeout;
1273 BOOL transport_filter_timed_out = FALSE;
1274 int transport_write_timeout= 0;
1275
1276 tree_node *tree_dns_fails = NULL;
1277 tree_node *tree_duplicates = NULL;
1278 tree_node *tree_nonrecipients = NULL;
1279 tree_node *tree_unusable = NULL;
1280
1281 BOOL trusted_caller = FALSE;
1282 BOOL trusted_config = TRUE;
1283 gid_t *trusted_groups = NULL;
1284 uid_t *trusted_users = NULL;
1285 uschar *timezone_string = US TIMEZONE_DEFAULT;
1286
1287 uschar *unknown_login = NULL;
1288 uschar *unknown_username = NULL;
1289 uschar *untrusted_set_sender = NULL;
1290
1291 /* A regex for matching a "From_" line in an incoming message, in the form
1292
1293 From ph10 Fri Jan 5 12:35 GMT 1996
1294
1295 which the "mail" commands send to the MTA (undocumented, of course), or in
1296 the form
1297
1298 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1299
1300 which is apparently used by some UUCPs, despite it not being in RFC 976.
1301 Because of variations in time formats, just match up to the minutes. That
1302 should be sufficient. Examples have been seen of time fields like 12:1:03,
1303 so just require one digit for hours and minutes. The weekday is also absent
1304 in some forms. */
1305
1306 uschar *uucp_from_pattern = US
1307 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1308 "(?:" /* Non-extracting bracket */
1309 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1310 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1311 ")" /* End alternation */
1312 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1313
1314 uschar *uucp_from_sender = US"$1";
1315
1316 uschar *warn_message_file = NULL;
1317 uschar *warnmsg_delay = NULL;
1318 uschar *warnmsg_recipients = NULL;
1319 BOOL write_rejectlog = TRUE;
1320
1321 uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1322 uschar *version_date = US"?";
1323 uschar *version_cnumber = US"????";
1324 uschar *version_string = US"?";
1325
1326 int warning_count = 0;
1327
1328 /* End of globals.c */
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