Merge branch 'experimental_ocsp'
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2009 */
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 uschar *tls_dhparam = NULL;
115 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
116 uschar *tls_ocsp_file = NULL;
117 #endif
118 BOOL tls_offered = FALSE;
119 uschar *tls_privatekey = NULL;
120 BOOL tls_remember_esmtp = FALSE;
121 uschar *tls_require_ciphers = NULL;
122 uschar *tls_sni = NULL;
123 uschar *tls_try_verify_hosts = NULL;
124 uschar *tls_verify_certificates= NULL;
125 uschar *tls_verify_hosts = NULL;
126 #endif
127
128
129 /* Input-reading functions for messages, so we can use special ones for
130 incoming TCP/IP. The defaults use stdin. We never need these for any
131 stand-alone tests. */
132
133 #ifndef STAND_ALONE
134 int (*receive_getc)(void) = stdin_getc;
135 int (*receive_ungetc)(int) = stdin_ungetc;
136 int (*receive_feof)(void) = stdin_feof;
137 int (*receive_ferror)(void) = stdin_ferror;
138 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
139 #endif
140
141
142 /* List of per-address expansion variables for clearing and saving/restoring
143 when verifying one address while routing/verifying another. We have to have
144 the size explicit, because it is referenced from more than one module. */
145
146 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
147 &deliver_address_data,
148 &deliver_domain,
149 &deliver_domain_data,
150 &deliver_domain_orig,
151 &deliver_domain_parent,
152 &deliver_localpart,
153 &deliver_localpart_data,
154 &deliver_localpart_orig,
155 &deliver_localpart_parent,
156 &deliver_localpart_prefix,
157 &deliver_localpart_suffix,
158 (uschar **)(&deliver_recipients),
159 &deliver_host,
160 &deliver_home,
161 &address_file,
162 &address_pipe,
163 &self_hostname,
164 NULL };
165
166 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
167
168 /* General global variables */
169
170 header_line *acl_added_headers = NULL;
171 tree_node *acl_anchor = NULL;
172
173 uschar *acl_not_smtp = NULL;
174 #ifdef WITH_CONTENT_SCAN
175 uschar *acl_not_smtp_mime = NULL;
176 #endif
177 uschar *acl_not_smtp_start = NULL;
178
179 uschar *acl_smtp_auth = NULL;
180 uschar *acl_smtp_connect = NULL;
181 uschar *acl_smtp_data = NULL;
182 #ifndef DISABLE_DKIM
183 uschar *acl_smtp_dkim = NULL;
184 #endif
185 uschar *acl_smtp_etrn = NULL;
186 uschar *acl_smtp_expn = NULL;
187 uschar *acl_smtp_helo = NULL;
188 uschar *acl_smtp_mail = NULL;
189 uschar *acl_smtp_mailauth = NULL;
190 #ifdef WITH_CONTENT_SCAN
191 uschar *acl_smtp_mime = NULL;
192 #endif
193 uschar *acl_smtp_notquit = NULL;
194 uschar *acl_smtp_predata = NULL;
195 uschar *acl_smtp_quit = NULL;
196 uschar *acl_smtp_rcpt = NULL;
197 uschar *acl_smtp_starttls = NULL;
198 uschar *acl_smtp_vrfy = NULL;
199
200 BOOL acl_temp_details = FALSE;
201 tree_node *acl_var_c = NULL;
202 tree_node *acl_var_m = NULL;
203 uschar *acl_verify_message = NULL;
204 string_item *acl_warn_logged = NULL;
205
206 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
207 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
208
209 uschar *acl_wherenames[] = { US"RCPT",
210 US"MAIL",
211 US"PREDATA",
212 US"MIME",
213 US"DKIM",
214 US"DATA",
215 US"non-SMTP",
216 US"AUTH",
217 US"connection",
218 US"ETRN",
219 US"EXPN",
220 US"EHLO or HELO",
221 US"MAILAUTH",
222 US"non-SMTP-start",
223 US"NOTQUIT",
224 US"QUIT",
225 US"STARTTLS",
226 US"VRFY"
227 };
228
229 uschar *acl_wherecodes[] = { US"550", /* RCPT */
230 US"550", /* MAIL */
231 US"550", /* PREDATA */
232 US"550", /* MIME */
233 US"550", /* DKIM */
234 US"550", /* DATA */
235 US"0", /* not SMTP; not relevant */
236 US"503", /* AUTH */
237 US"550", /* connect */
238 US"458", /* ETRN */
239 US"550", /* EXPN */
240 US"550", /* HELO/EHLO */
241 US"0", /* MAILAUTH; not relevant */
242 US"0", /* not SMTP; not relevant */
243 US"0", /* NOTQUIT; not relevant */
244 US"0", /* QUIT; not relevant */
245 US"550", /* STARTTLS */
246 US"252" /* VRFY */
247 };
248
249 BOOL active_local_from_check = FALSE;
250 BOOL active_local_sender_retain = FALSE;
251 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
252 address_item *addr_duplicate = NULL;
253
254 address_item address_defaults = {
255 NULL, /* next */
256 NULL, /* parent */
257 NULL, /* first */
258 NULL, /* dupof */
259 NULL, /* start_router */
260 NULL, /* router */
261 NULL, /* transport */
262 NULL, /* host_list */
263 NULL, /* host_used */
264 NULL, /* fallback_hosts */
265 NULL, /* reply */
266 NULL, /* retries */
267 NULL, /* address */
268 NULL, /* unique */
269 NULL, /* cc_local_part */
270 NULL, /* lc_local_part */
271 NULL, /* local_part */
272 NULL, /* prefix */
273 NULL, /* suffix */
274 NULL, /* domain */
275 NULL, /* address_retry_key */
276 NULL, /* domain_retry_key */
277 NULL, /* current_dir */
278 NULL, /* home_dir */
279 NULL, /* message */
280 NULL, /* user_message */
281 NULL, /* onetime_parent */
282 NULL, /* pipe_expandn */
283 NULL, /* return_filename */
284 NULL, /* self_hostname */
285 NULL, /* shadow_message */
286 #ifdef SUPPORT_TLS
287 NULL, /* cipher */
288 NULL, /* peerdn */
289 #endif
290 (uid_t)(-1), /* uid */
291 (gid_t)(-1), /* gid */
292 0, /* flags */
293 { 0 }, /* domain_cache - any larger array should be zeroed */
294 { 0 }, /* localpart_cache - ditto */
295 -1, /* mode */
296 0, /* more_errno */
297 ERRNO_UNKNOWNERROR, /* basic_errno */
298 0, /* child_count */
299 -1, /* return_file */
300 SPECIAL_NONE, /* special_action */
301 DEFER, /* transport_return */
302 { /* fields that are propagated to children */
303 NULL, /* address_data */
304 NULL, /* domain_data */
305 NULL, /* localpart_data */
306 NULL, /* errors_address */
307 NULL, /* extra_headers */
308 NULL, /* remove_headers */
309 #ifdef EXPERIMENTAL_SRS
310 NULL, /* srs_sender */
311 #endif
312 }
313 };
314
315 uschar *address_file = NULL;
316 uschar *address_pipe = NULL;
317 BOOL address_test_mode = FALSE;
318 tree_node *addresslist_anchor = NULL;
319 int addresslist_count = 0;
320 gid_t *admin_groups = NULL;
321 BOOL admin_user = FALSE;
322 BOOL allow_auth_unadvertised= FALSE;
323 BOOL allow_domain_literals = FALSE;
324 BOOL allow_mx_to_ip = FALSE;
325 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
326 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
327 BOOL allow_utf8_domains = FALSE;
328 uschar *authenticated_id = NULL;
329 uschar *authenticated_sender = NULL;
330 BOOL authentication_failed = FALSE;
331 auth_instance *auths = NULL;
332 uschar *auth_advertise_hosts = US"*";
333 auth_instance auth_defaults = {
334 NULL, /* chain pointer */
335 NULL, /* name */
336 NULL, /* info */
337 NULL, /* private options block pointer */
338 NULL, /* driver_name */
339 NULL, /* advertise_condition */
340 NULL, /* client_condition */
341 NULL, /* public_name */
342 NULL, /* set_id */
343 NULL, /* server_mail_auth_condition */
344 NULL, /* server_debug_string */
345 NULL, /* server_condition */
346 FALSE, /* client */
347 FALSE, /* server */
348 FALSE /* advertised */
349 };
350
351 uschar *auth_defer_msg = US"reason not recorded";
352 uschar *auth_defer_user_msg = US"";
353 uschar *auth_vars[AUTH_VARS];
354 int auto_thaw = 0;
355 #ifdef WITH_CONTENT_SCAN
356 BOOL av_failed = FALSE;
357 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
358 #endif
359
360 BOOL background_daemon = TRUE;
361
362 #if BASE_62 == 62
363 uschar *base62_chars=
364 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
365 #else
366 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
367 #endif
368
369 uschar *bi_command = NULL;
370 uschar *big_buffer = NULL;
371 int big_buffer_size = BIG_BUFFER_SIZE;
372 #ifdef EXPERIMENTAL_BRIGHTMAIL
373 uschar *bmi_alt_location = NULL;
374 uschar *bmi_base64_tracker_verdict = NULL;
375 uschar *bmi_base64_verdict = NULL;
376 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
377 int bmi_deliver = 1;
378 int bmi_run = 0;
379 uschar *bmi_verdicts = NULL;
380 #endif
381 int body_linecount = 0;
382 int body_zerocount = 0;
383 uschar *bounce_message_file = NULL;
384 uschar *bounce_message_text = NULL;
385 uschar *bounce_recipient = NULL;
386 BOOL bounce_return_body = TRUE;
387 BOOL bounce_return_message = TRUE;
388 int bounce_return_size_limit = 100*1024;
389 uschar *bounce_sender_authentication = NULL;
390 int bsmtp_transaction_linecount = 0;
391
392 int callout_cache_domain_positive_expire = 7*24*60*60;
393 int callout_cache_domain_negative_expire = 3*60*60;
394 int callout_cache_positive_expire = 24*60*60;
395 int callout_cache_negative_expire = 2*60*60;
396 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
397 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
398 int check_log_inodes = 0;
399 int check_log_space = 0;
400 BOOL check_rfc2047_length = TRUE;
401 int check_spool_inodes = 0;
402 int check_spool_space = 0;
403 int clmacro_count = 0;
404 uschar *clmacros[MAX_CLMACROS];
405 BOOL config_changed = FALSE;
406 FILE *config_file = NULL;
407 uschar *config_filename = NULL;
408 int config_lineno = 0;
409 #ifdef CONFIGURE_GROUP
410 gid_t config_gid = CONFIGURE_GROUP;
411 #endif
412 uschar *config_main_filelist = US CONFIGURE_FILE
413 "\0<-----------Space to patch configure_filename->";
414 uschar *config_main_filename = NULL;
415
416 #ifdef CONFIGURE_OWNER
417 uid_t config_uid = CONFIGURE_OWNER;
418 #endif
419
420 int connection_max_messages= -1;
421 uschar *continue_hostname = NULL;
422 uschar *continue_host_address = NULL;
423 BOOL continue_more = FALSE;
424 int continue_sequence = 1;
425 uschar *continue_transport = NULL;
426
427 uschar *csa_status = NULL;
428
429 BOOL daemon_listen = FALSE;
430 uschar *daemon_smtp_port = US"smtp";
431 int daemon_startup_retries = 9;
432 int daemon_startup_sleep = 30;
433
434 #ifdef EXPERIMENTAL_DCC
435 BOOL dcc_direct_add_header = FALSE;
436 uschar *dcc_header = NULL;
437 uschar *dcc_result = NULL;
438 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
439 uschar *dccifd_options = US"header";
440 #endif
441
442 BOOL debug_daemon = FALSE;
443 int debug_fd = -1;
444 FILE *debug_file = NULL;
445 bit_table debug_options[] = {
446 { US"acl", D_acl },
447 { US"all", D_all },
448 { US"auth", D_auth },
449 { US"deliver", D_deliver },
450 { US"dns", D_dns },
451 { US"dnsbl", D_dnsbl },
452 { US"exec", D_exec },
453 { US"expand", D_expand },
454 { US"filter", D_filter },
455 { US"hints_lookup", D_hints_lookup },
456 { US"host_lookup", D_host_lookup },
457 { US"ident", D_ident },
458 { US"interface", D_interface },
459 { US"lists", D_lists },
460 { US"load", D_load },
461 { US"local_scan", D_local_scan },
462 { US"lookup", D_lookup },
463 { US"memory", D_memory },
464 { US"pid", D_pid },
465 { US"process_info", D_process_info },
466 { US"queue_run", D_queue_run },
467 { US"receive", D_receive },
468 { US"resolver", D_resolver },
469 { US"retry", D_retry },
470 { US"rewrite", D_rewrite },
471 { US"route", D_route },
472 { US"timestamp", D_timestamp },
473 { US"tls", D_tls },
474 { US"transport", D_transport },
475 { US"uid", D_uid },
476 { US"verify", D_verify }
477 };
478 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
479 unsigned int debug_selector = 0;
480 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
481 uschar *delay_warning_condition=
482 US"${if or {"
483 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
484 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
485 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
486 "} {no}{yes}}";
487 BOOL delivery_date_remove = TRUE;
488 uschar *deliver_address_data = NULL;
489 int deliver_datafile = -1;
490 uschar *deliver_domain = NULL;
491 uschar *deliver_domain_data = NULL;
492 uschar *deliver_domain_orig = NULL;
493 uschar *deliver_domain_parent = NULL;
494 BOOL deliver_drop_privilege = FALSE;
495 BOOL deliver_firsttime = FALSE;
496 BOOL deliver_force = FALSE;
497 BOOL deliver_freeze = FALSE;
498 int deliver_frozen_at = 0;
499 uschar *deliver_home = NULL;
500 uschar *deliver_host = NULL;
501 uschar *deliver_host_address = NULL;
502 uschar *deliver_in_buffer = NULL;
503 ino_t deliver_inode = 0;
504 uschar *deliver_localpart = NULL;
505 uschar *deliver_localpart_data = NULL;
506 uschar *deliver_localpart_orig = NULL;
507 uschar *deliver_localpart_parent = NULL;
508 uschar *deliver_localpart_prefix = NULL;
509 uschar *deliver_localpart_suffix = NULL;
510 BOOL deliver_force_thaw = FALSE;
511 BOOL deliver_manual_thaw = FALSE;
512 uschar *deliver_out_buffer = NULL;
513 int deliver_queue_load_max = -1;
514 address_item *deliver_recipients = NULL;
515 uschar *deliver_selectstring = NULL;
516 BOOL deliver_selectstring_regex = FALSE;
517 uschar *deliver_selectstring_sender = NULL;
518 BOOL deliver_selectstring_sender_regex = FALSE;
519 #ifdef WITH_OLD_DEMIME
520 int demime_errorlevel = 0;
521 int demime_ok = 0;
522 uschar *demime_reason = NULL;
523 #endif
524 BOOL disable_callout_flush = FALSE;
525 BOOL disable_delay_flush = FALSE;
526 #ifdef ENABLE_DISABLE_FSYNC
527 BOOL disable_fsync = FALSE;
528 #endif
529 BOOL disable_ipv6 = FALSE;
530 BOOL disable_logging = FALSE;
531
532 #ifndef DISABLE_DKIM
533 uschar *dkim_cur_signer = NULL;
534 uschar *dkim_signers = NULL;
535 uschar *dkim_signing_domain = NULL;
536 uschar *dkim_signing_selector = NULL;
537 uschar *dkim_verify_signers = US"$dkim_signers";
538 BOOL dkim_collect_input = FALSE;
539 BOOL dkim_disable_verify = FALSE;
540 #endif
541
542 uschar *dns_again_means_nonexist = NULL;
543 int dns_csa_search_limit = 5;
544 BOOL dns_csa_use_reverse = TRUE;
545 uschar *dns_ipv4_lookup = NULL;
546 int dns_retrans = 0;
547 int dns_retry = 0;
548 int dns_use_edns0 = -1; /* <0 = not coerced */
549 uschar *dnslist_domain = NULL;
550 uschar *dnslist_matched = NULL;
551 uschar *dnslist_text = NULL;
552 uschar *dnslist_value = NULL;
553 tree_node *domainlist_anchor = NULL;
554 int domainlist_count = 0;
555 BOOL dont_deliver = FALSE;
556 BOOL dot_ends = TRUE;
557 BOOL drop_cr = FALSE; /* No longer used */
558 uschar *dsn_from = US DEFAULT_DSN_FROM;
559
560 BOOL enable_dollar_recipients = FALSE;
561 BOOL envelope_to_remove = TRUE;
562 int errno_quota = ERRNO_QUOTA;
563 uschar *errors_copy = NULL;
564 int error_handling = ERRORS_SENDER;
565 uschar *errors_reply_to = NULL;
566 int errors_sender_rc = EXIT_FAILURE;
567
568 gid_t exim_gid = EXIM_GID;
569 BOOL exim_gid_set = TRUE; /* This gid is always set */
570 uschar *exim_path = US BIN_DIRECTORY "/exim"
571 "\0<---------------Space to patch exim_path->";
572 uid_t exim_uid = EXIM_UID;
573 BOOL exim_uid_set = TRUE; /* This uid is always set */
574 int expand_forbid = 0;
575 int expand_nlength[EXPAND_MAXN+1];
576 int expand_nmax = -1;
577 uschar *expand_nstring[EXPAND_MAXN+1];
578 BOOL expand_string_forcedfail = FALSE;
579 uschar *expand_string_message;
580 BOOL extract_addresses_remove_arguments = TRUE;
581 uschar *extra_local_interfaces = NULL;
582
583 int fake_response = OK;
584 uschar *fake_response_text = US"Your message has been rejected but is "
585 "being kept for evaluation.\nIf it was a "
586 "legitimate message, it may still be "
587 "delivered to the target recipient(s).";
588 int filter_n[FILTER_VARIABLE_COUNT];
589 BOOL filter_running = FALSE;
590 int filter_sn[FILTER_VARIABLE_COUNT];
591 int filter_test = FTEST_NONE;
592 uschar *filter_test_sfile = NULL;
593 uschar *filter_test_ufile = NULL;
594 uschar *filter_thisaddress = NULL;
595 int finduser_retries = 0;
596 #ifdef WITH_OLD_DEMIME
597 uschar *found_extension = NULL;
598 #endif
599 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
600 uschar *freeze_tell = NULL;
601 uschar *freeze_tell_config = NULL;
602 uschar *fudged_queue_times = US"";
603
604 uschar *gecos_name = NULL;
605 uschar *gecos_pattern = NULL;
606 rewrite_rule *global_rewrite_rules = NULL;
607
608 uschar *headers_charset = US HEADERS_CHARSET;
609 int header_insert_maxlen = 64 * 1024;
610 header_line *header_last = NULL;
611 header_line *header_list = NULL;
612 int header_maxsize = HEADER_MAXSIZE;
613 int header_line_maxsize = 0;
614
615 header_name header_names[] = {
616 { US"bcc", 3, TRUE, htype_bcc },
617 { US"cc", 2, TRUE, htype_cc },
618 { US"date", 4, TRUE, htype_date },
619 { US"delivery-date", 13, FALSE, htype_delivery_date },
620 { US"envelope-to", 11, FALSE, htype_envelope_to },
621 { US"from", 4, TRUE, htype_from },
622 { US"message-id", 10, TRUE, htype_id },
623 { US"received", 8, FALSE, htype_received },
624 { US"reply-to", 8, FALSE, htype_reply_to },
625 { US"return-path", 11, FALSE, htype_return_path },
626 { US"sender", 6, TRUE, htype_sender },
627 { US"subject", 7, FALSE, htype_subject },
628 { US"to", 2, TRUE, htype_to }
629 };
630
631 int header_names_size = sizeof(header_names)/sizeof(header_name);
632
633 BOOL header_rewritten = FALSE;
634 uschar *helo_accept_junk_hosts = NULL;
635 uschar *helo_allow_chars = US"";
636 uschar *helo_lookup_domains = US"@ : @[]";
637 uschar *helo_try_verify_hosts = NULL;
638 BOOL helo_verified = FALSE;
639 BOOL helo_verify_failed = FALSE;
640 uschar *helo_verify_hosts = NULL;
641 const uschar *hex_digits = CUS"0123456789abcdef";
642 uschar *hold_domains = NULL;
643 BOOL host_checking = FALSE;
644 BOOL host_checking_callout = FALSE;
645 uschar *host_data = NULL;
646 BOOL host_find_failed_syntax= FALSE;
647 uschar *host_lookup = NULL;
648 BOOL host_lookup_deferred = FALSE;
649 BOOL host_lookup_failed = FALSE;
650 uschar *host_lookup_order = US"bydns:byaddr";
651 uschar *host_lookup_msg = US"";
652 int host_number = 0;
653 uschar *host_number_string = NULL;
654 uschar *host_reject_connection = NULL;
655 tree_node *hostlist_anchor = NULL;
656 int hostlist_count = 0;
657 uschar *hosts_treat_as_local = NULL;
658 uschar *hosts_connection_nolog = NULL;
659
660 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
661 BOOL ignore_fromline_local = FALSE;
662 uschar *ignore_fromline_hosts = NULL;
663 BOOL inetd_wait_mode = FALSE;
664 int inetd_wait_timeout = -1;
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 into 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"tls_sni", LX_tls_sni },
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 const 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 int process_info_len = 0;
843 uschar *process_log_path = NULL;
844 BOOL prod_requires_admin = TRUE;
845 uschar *prvscheck_address = NULL;
846 uschar *prvscheck_keynum = NULL;
847 uschar *prvscheck_result = NULL;
848
849
850 uschar *qualify_domain_recipient = NULL;
851 uschar *qualify_domain_sender = NULL;
852 BOOL queue_2stage = FALSE;
853 uschar *queue_domains = NULL;
854 int queue_interval = -1;
855 BOOL queue_list_requires_admin = TRUE;
856 BOOL queue_only = FALSE;
857 uschar *queue_only_file = NULL;
858 int queue_only_load = -1;
859 BOOL queue_only_load_latch = TRUE;
860 BOOL queue_only_override = TRUE;
861 BOOL queue_only_policy = FALSE;
862 BOOL queue_run_first_delivery = FALSE;
863 BOOL queue_run_force = FALSE;
864 BOOL queue_run_in_order = FALSE;
865 BOOL queue_run_local = FALSE;
866 int queue_run_max = 5;
867 pid_t queue_run_pid = (pid_t)0;
868 int queue_run_pipe = -1;
869 BOOL queue_running = FALSE;
870 BOOL queue_smtp = FALSE;
871 uschar *queue_smtp_domains = NULL;
872
873 unsigned int random_seed = 0;
874 tree_node *ratelimiters_cmd = NULL;
875 tree_node *ratelimiters_conn = NULL;
876 tree_node *ratelimiters_mail = NULL;
877 uschar *raw_active_hostname = NULL;
878 uschar *raw_sender = NULL;
879 uschar **raw_recipients = NULL;
880 int raw_recipients_count = 0;
881
882 int rcpt_count = 0;
883 int rcpt_fail_count = 0;
884 int rcpt_defer_count = 0;
885 gid_t real_gid;
886 uid_t real_uid;
887 BOOL really_exim = TRUE;
888 BOOL receive_call_bombout = FALSE;
889 int receive_linecount = 0;
890 int receive_messagecount = 0;
891 int receive_timeout = 0;
892 int received_count = 0;
893 uschar *received_for = NULL;
894
895 /* This is the default text for Received headers generated by Exim. The
896 date will be automatically added on the end. */
897
898 uschar *received_header_text = US
899 "Received: "
900 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
901 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
902 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
903 "by $primary_hostname "
904 "${if def:received_protocol {with $received_protocol}} "
905 #ifdef SUPPORT_TLS
906 "${if def:tls_cipher {($tls_cipher)\n\t}}"
907 #endif
908 "(Exim $version_number)\n\t"
909 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
910 "id $message_exim_id"
911 "${if def:received_for {\n\tfor $received_for}}"
912 "\0<---------------Space to patch received_header_text->";
913
914 int received_headers_max = 30;
915 uschar *received_protocol = NULL;
916 int received_time = 0;
917 uschar *recipient_data = NULL;
918 uschar *recipient_unqualified_hosts = NULL;
919 uschar *recipient_verify_failure = NULL;
920 int recipients_count = 0;
921 BOOL recipients_discarded = FALSE;
922 recipient_item *recipients_list = NULL;
923 int recipients_list_max = 0;
924 int recipients_max = 0;
925 BOOL recipients_max_reject = FALSE;
926 const pcre *regex_AUTH = NULL;
927 const pcre *regex_check_dns_names = NULL;
928 const pcre *regex_From = NULL;
929 const pcre *regex_IGNOREQUOTA = NULL;
930 const pcre *regex_PIPELINING = NULL;
931 const pcre *regex_SIZE = NULL;
932 const pcre *regex_smtp_code = NULL;
933 const pcre *regex_ismsgid = NULL;
934 #ifdef WHITELIST_D_MACROS
935 const pcre *regex_whitelisted_macro = NULL;
936 #endif
937 #ifdef WITH_CONTENT_SCAN
938 uschar *regex_match_string = NULL;
939 #endif
940 int remote_delivery_count = 0;
941 int remote_max_parallel = 2;
942 uschar *remote_sort_domains = NULL;
943 int retry_data_expire = 7*24*60*60;
944 int retry_interval_max = 24*60*60;
945 int retry_maximum_timeout = 0; /* set from retry config */
946 retry_config *retries = NULL;
947 uschar *return_path = NULL;
948 BOOL return_path_remove = TRUE;
949 int rewrite_existflags = 0;
950 uschar *rfc1413_hosts = US"*";
951 int rfc1413_query_timeout = 5;
952 /* BOOL rfc821_domains = FALSE; <<< on the way out */
953 uid_t root_gid = ROOT_GID;
954 uid_t root_uid = ROOT_UID;
955
956 router_instance *routers = NULL;
957 router_instance router_defaults = {
958 NULL, /* chain pointer */
959 NULL, /* name */
960 NULL, /* info */
961 NULL, /* private options block pointer */
962 NULL, /* driver name */
963
964 NULL, /* address_data */
965 #ifdef EXPERIMENTAL_BRIGHTMAIL
966 NULL, /* bmi_rule */
967 #endif
968 NULL, /* cannot_route_message */
969 NULL, /* condition */
970 NULL, /* current_directory */
971 NULL, /* debug_string */
972 NULL, /* domains */
973 NULL, /* errors_to */
974 NULL, /* expand_gid */
975 NULL, /* expand_uid */
976 NULL, /* expand_more */
977 NULL, /* expand_unseen */
978 NULL, /* extra_headers */
979 NULL, /* fallback_hosts */
980 NULL, /* home_directory */
981 NULL, /* ignore_target_hosts */
982 NULL, /* local_parts */
983 NULL, /* pass_router_name */
984 NULL, /* prefix */
985 NULL, /* redirect_router_name */
986 NULL, /* remove_headers */
987 NULL, /* require_files */
988 NULL, /* router_home_directory */
989 US"freeze", /* self */
990 NULL, /* senders */
991 NULL, /* suffix */
992 NULL, /* translate_ip_address */
993 NULL, /* transport_name */
994
995 TRUE, /* address_test */
996 #ifdef EXPERIMENTAL_BRIGHTMAIL
997 FALSE, /* bmi_deliver_alternate */
998 FALSE, /* bmi_deliver_default */
999 FALSE, /* bmi_dont_deliver */
1000 #endif
1001 TRUE, /* expn */
1002 FALSE, /* caseful_local_part */
1003 FALSE, /* check_local_user */
1004 FALSE, /* disable_logging */
1005 FALSE, /* fail_verify_recipient */
1006 FALSE, /* fail_verify_sender */
1007 FALSE, /* gid_set */
1008 FALSE, /* initgroups */
1009 TRUE_UNSET, /* log_as_local */
1010 TRUE, /* more */
1011 FALSE, /* pass_on_timeout */
1012 FALSE, /* prefix_optional */
1013 TRUE, /* repeat_use */
1014 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1015 FALSE, /* same_domain_copy_routing */
1016 FALSE, /* self_rewrite */
1017 FALSE, /* suffix_optional */
1018 FALSE, /* verify_only */
1019 TRUE, /* verify_recipient */
1020 TRUE, /* verify_sender */
1021 FALSE, /* uid_set */
1022 FALSE, /* unseen */
1023
1024 self_freeze, /* self_code */
1025 (uid_t)(-1), /* uid */
1026 (gid_t)(-1), /* gid */
1027
1028 NULL, /* fallback_hostlist */
1029 NULL, /* transport instance */
1030 NULL, /* pass_router */
1031 NULL /* redirect_router */
1032 };
1033
1034 ip_address_item *running_interfaces = NULL;
1035 BOOL running_in_test_harness = FALSE;
1036
1037 /* This is a weird one. The following string gets patched in the binary by the
1038 script that sets up a copy of Exim for running in the test harness. It seems
1039 that compilers are now clever, and share constant strings if they can.
1040 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1041 make use of the end of this string in order to save space. So the patching then
1042 wrecks this. We defeat this optimization by adding some additional characters
1043 onto the end of the string. */
1044
1045 uschar *running_status = US">>>running<<<" "\0EXTRA";
1046
1047 int runrc = 0;
1048
1049 uschar *search_error_message = NULL;
1050 BOOL search_find_defer = FALSE;
1051 uschar *self_hostname = NULL;
1052 uschar *sender_address = NULL;
1053 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1054 uschar *sender_address_data = NULL;
1055 BOOL sender_address_forced = FALSE;
1056 uschar *sender_address_unrewritten = NULL;
1057 uschar *sender_data = NULL;
1058 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1059 uschar *sender_fullhost = NULL;
1060 uschar *sender_helo_name = NULL;
1061 uschar **sender_host_aliases = &no_aliases;
1062 uschar *sender_host_address = NULL;
1063 uschar *sender_host_authenticated = NULL;
1064 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1065 uschar *sender_host_name = NULL;
1066 int sender_host_port = 0;
1067 BOOL sender_host_notsocket = FALSE;
1068 BOOL sender_host_unknown = FALSE;
1069 uschar *sender_ident = NULL;
1070 BOOL sender_local = FALSE;
1071 BOOL sender_name_forced = FALSE;
1072 uschar *sender_rate = NULL;
1073 uschar *sender_rate_limit = NULL;
1074 uschar *sender_rate_period = NULL;
1075 uschar *sender_rcvhost = NULL;
1076 BOOL sender_set_untrusted = FALSE;
1077 uschar *sender_unqualified_hosts = NULL;
1078 uschar *sender_verify_failure = NULL;
1079 address_item *sender_verified_list = NULL;
1080 address_item *sender_verified_failed = NULL;
1081 int sender_verified_rc = -1;
1082 BOOL sender_verified_responded = FALSE;
1083 uschar *sending_ip_address = NULL;
1084 int sending_port = -1;
1085 SIGNAL_BOOL sigalrm_seen = FALSE;
1086 uschar **sighup_argv = NULL;
1087 int smtp_accept_count = 0;
1088 BOOL smtp_accept_keepalive = TRUE;
1089 int smtp_accept_max = 20;
1090 int smtp_accept_max_nonmail= 10;
1091 uschar *smtp_accept_max_nonmail_hosts = US"*";
1092 int smtp_accept_max_per_connection = 1000;
1093 uschar *smtp_accept_max_per_host = NULL;
1094 int smtp_accept_queue = 0;
1095 int smtp_accept_queue_per_connection = 10;
1096 int smtp_accept_reserve = 0;
1097 uschar *smtp_active_hostname = NULL;
1098 BOOL smtp_authenticated = FALSE;
1099 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1100 "Exim $version_number $tod_full"
1101 "\0<---------------Space to patch smtp_banner->";
1102 BOOL smtp_batched_input = FALSE;
1103 BOOL smtp_check_spool_space = TRUE;
1104 int smtp_ch_index = 0;
1105 uschar *smtp_cmd_argument = NULL;
1106 uschar *smtp_cmd_buffer = NULL;
1107 time_t smtp_connection_start = 0;
1108 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1109 int smtp_connect_backlog = 20;
1110 double smtp_delay_mail = 0.0;
1111 double smtp_delay_rcpt = 0.0;
1112 BOOL smtp_enforce_sync = TRUE;
1113 FILE *smtp_in = NULL;
1114 BOOL smtp_input = FALSE;
1115 int smtp_load_reserve = -1;
1116 int smtp_mailcmd_count = 0;
1117 FILE *smtp_out = NULL;
1118 uschar *smtp_etrn_command = NULL;
1119 BOOL smtp_etrn_serialize = TRUE;
1120 int smtp_max_synprot_errors= 3;
1121 int smtp_max_unknown_commands = 3;
1122 uschar *smtp_notquit_reason = NULL;
1123 uschar *smtp_ratelimit_hosts = NULL;
1124 uschar *smtp_ratelimit_mail = NULL;
1125 uschar *smtp_ratelimit_rcpt = NULL;
1126 uschar *smtp_read_error = US"";
1127 int smtp_receive_timeout = 5*60;
1128 uschar *smtp_reserve_hosts = NULL;
1129 BOOL smtp_return_error_details = FALSE;
1130 int smtp_rlm_base = 0;
1131 double smtp_rlm_factor = 0.0;
1132 int smtp_rlm_limit = 0;
1133 int smtp_rlm_threshold = INT_MAX;
1134 int smtp_rlr_base = 0;
1135 double smtp_rlr_factor = 0.0;
1136 int smtp_rlr_limit = 0;
1137 int smtp_rlr_threshold = INT_MAX;
1138 BOOL smtp_use_pipelining = FALSE;
1139 BOOL smtp_use_size = FALSE;
1140
1141 #ifdef WITH_CONTENT_SCAN
1142 uschar *spamd_address = US"127.0.0.1 783";
1143 uschar *spam_bar = NULL;
1144 uschar *spam_report = NULL;
1145 uschar *spam_score = NULL;
1146 uschar *spam_score_int = NULL;
1147 #endif
1148 #ifdef EXPERIMENTAL_SPF
1149 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1150 uschar *spf_header_comment = NULL;
1151 uschar *spf_received = NULL;
1152 uschar *spf_result = NULL;
1153 uschar *spf_smtp_comment = NULL;
1154 #endif
1155
1156 BOOL split_spool_directory = FALSE;
1157 uschar *spool_directory = US SPOOL_DIRECTORY
1158 "\0<--------------Space to patch spool_directory->";
1159 #ifdef EXPERIMENTAL_SRS
1160 uschar *srs_config = NULL;
1161 uschar *srs_db_address = NULL;
1162 uschar *srs_db_key = NULL;
1163 int srs_hashlength = 6;
1164 int srs_hashmin = -1;
1165 int srs_maxage = 31;
1166 uschar *srs_orig_recipient = NULL;
1167 uschar *srs_orig_sender = NULL;
1168 uschar *srs_recipient = NULL;
1169 uschar *srs_secrets = NULL;
1170 uschar *srs_status = NULL;
1171 BOOL srs_usehash = TRUE;
1172 BOOL srs_usetimestamp = TRUE;
1173 #endif
1174 BOOL strict_acl_vars = FALSE;
1175 int string_datestamp_offset= -1;
1176 int string_datestamp_length= 0;
1177 int string_datestamp_type = -1;
1178 BOOL strip_excess_angle_brackets = FALSE;
1179 BOOL strip_trailing_dot = FALSE;
1180 uschar *submission_domain = NULL;
1181 BOOL submission_mode = FALSE;
1182 uschar *submission_name = NULL;
1183 BOOL suppress_local_fixups = FALSE;
1184 BOOL synchronous_delivery = FALSE;
1185 BOOL syslog_duplication = TRUE;
1186 int syslog_facility = LOG_MAIL;
1187 uschar *syslog_processname = US"exim";
1188 BOOL syslog_timestamp = TRUE;
1189 uschar *system_filter = NULL;
1190
1191 uschar *system_filter_directory_transport = NULL;
1192 uschar *system_filter_file_transport = NULL;
1193 uschar *system_filter_pipe_transport = NULL;
1194 uschar *system_filter_reply_transport = NULL;
1195
1196 gid_t system_filter_gid = 0;
1197 BOOL system_filter_gid_set = FALSE;
1198 uid_t system_filter_uid = (uid_t)-1;
1199 BOOL system_filter_uid_set = FALSE;
1200 BOOL system_filtering = FALSE;
1201
1202 BOOL tcp_nodelay = TRUE;
1203 #ifdef USE_TCP_WRAPPERS
1204 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1205 #endif
1206 int test_harness_load_avg = 0;
1207 int thismessage_size_limit = 0;
1208 int timeout_frozen_after = 0;
1209 BOOL timestamps_utc = FALSE;
1210
1211 transport_instance *transports = NULL;
1212
1213 transport_instance transport_defaults = {
1214 NULL, /* chain pointer */
1215 NULL, /* name */
1216 NULL, /* info */
1217 NULL, /* private options block pointer */
1218 NULL, /* driver name */
1219 NULL, /* setup entry point */
1220 1, /* batch_max */
1221 NULL, /* batch_id */
1222 NULL, /* home_dir */
1223 NULL, /* current_dir */
1224 TRUE, /* multi-domain */
1225 FALSE, /* overrides_hosts */
1226 100, /* max_addresses */
1227 500, /* connection_max_messages */
1228 FALSE, /* deliver_as_creator */
1229 FALSE, /* disable_logging */
1230 FALSE, /* initgroups */
1231 FALSE, /* uid_set */
1232 FALSE, /* gid_set */
1233 (uid_t)(-1), /* uid */
1234 (gid_t)(-1), /* gid */
1235 NULL, /* expand_uid */
1236 NULL, /* expand_gid */
1237 NULL, /* warn_message */
1238 NULL, /* shadow */
1239 NULL, /* shadow_condition */
1240 NULL, /* filter_command */
1241 NULL, /* add_headers */
1242 NULL, /* remove_headers */
1243 NULL, /* return_path */
1244 NULL, /* debug_string */
1245 NULL, /* message_size_limit */
1246 NULL, /* headers_rewrite */
1247 NULL, /* rewrite_rules */
1248 0, /* rewrite_existflags */
1249 300, /* filter_timeout */
1250 FALSE, /* body_only */
1251 FALSE, /* delivery_date_add */
1252 FALSE, /* envelope_to_add */
1253 FALSE, /* headers_only */
1254 FALSE, /* rcpt_include_affixes */
1255 FALSE, /* return_path_add */
1256 FALSE, /* return_output */
1257 FALSE, /* return_fail_output */
1258 FALSE, /* log_output */
1259 FALSE, /* log_fail_output */
1260 FALSE, /* log_defer_output */
1261 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1262 1 nor 0 so can detect unset */
1263 };
1264
1265 int transport_count;
1266 int transport_newlines;
1267 uschar **transport_filter_argv = NULL;
1268 int transport_filter_timeout;
1269 BOOL transport_filter_timed_out = FALSE;
1270 int transport_write_timeout= 0;
1271
1272 tree_node *tree_dns_fails = NULL;
1273 tree_node *tree_duplicates = NULL;
1274 tree_node *tree_nonrecipients = NULL;
1275 tree_node *tree_unusable = NULL;
1276
1277 BOOL trusted_caller = FALSE;
1278 BOOL trusted_config = TRUE;
1279 gid_t *trusted_groups = NULL;
1280 uid_t *trusted_users = NULL;
1281 uschar *timezone_string = US TIMEZONE_DEFAULT;
1282
1283 uschar *unknown_login = NULL;
1284 uschar *unknown_username = NULL;
1285 uschar *untrusted_set_sender = NULL;
1286
1287 /* A regex for matching a "From_" line in an incoming message, in the form
1288
1289 From ph10 Fri Jan 5 12:35 GMT 1996
1290
1291 which the "mail" commands send to the MTA (undocumented, of course), or in
1292 the form
1293
1294 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1295
1296 which is apparently used by some UUCPs, despite it not being in RFC 976.
1297 Because of variations in time formats, just match up to the minutes. That
1298 should be sufficient. Examples have been seen of time fields like 12:1:03,
1299 so just require one digit for hours and minutes. The weekday is also absent
1300 in some forms. */
1301
1302 uschar *uucp_from_pattern = US
1303 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1304 "(?:" /* Non-extracting bracket */
1305 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1306 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1307 ")" /* End alternation */
1308 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1309
1310 uschar *uucp_from_sender = US"$1";
1311
1312 uschar *warn_message_file = NULL;
1313 uschar *warnmsg_delay = NULL;
1314 uschar *warnmsg_recipients = NULL;
1315 BOOL write_rejectlog = TRUE;
1316
1317 uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1318 uschar *version_date = US"?";
1319 uschar *version_cnumber = US"????";
1320 uschar *version_string = US"?";
1321
1322 int warning_count = 0;
1323
1324 /* End of globals.c */