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[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 BOOL tls_certificate_verified = FALSE;
98 uschar *tls_cipher = NULL;
99 BOOL tls_on_connect = FALSE;
100 uschar *tls_on_connect_ports = NULL;
101 uschar *tls_peerdn = NULL;
102
103 #ifdef SUPPORT_TLS
104 BOOL gnutls_compat_mode = FALSE;
105 uschar *gnutls_require_mac = NULL;
106 uschar *gnutls_require_kx = NULL;
107 uschar *gnutls_require_proto = NULL;
108 uschar *openssl_options = NULL;
109 const pcre *regex_STARTTLS = NULL;
110 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
111 uschar *tls_certificate = NULL;
112 uschar *tls_crl = NULL;
113 uschar *tls_dhparam = NULL;
114 BOOL tls_offered = FALSE;
115 uschar *tls_privatekey = NULL;
116 BOOL tls_remember_esmtp = FALSE;
117 uschar *tls_require_ciphers = NULL;
118 uschar *tls_try_verify_hosts = NULL;
119 uschar *tls_verify_certificates= NULL;
120 uschar *tls_verify_hosts = NULL;
121 #endif
122
123
124 /* Input-reading functions for messages, so we can use special ones for
125 incoming TCP/IP. The defaults use stdin. We never need these for any
126 stand-alone tests. */
127
128 #ifndef STAND_ALONE
129 int (*receive_getc)(void) = stdin_getc;
130 int (*receive_ungetc)(int) = stdin_ungetc;
131 int (*receive_feof)(void) = stdin_feof;
132 int (*receive_ferror)(void) = stdin_ferror;
133 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
134 #endif
135
136
137 /* List of per-address expansion variables for clearing and saving/restoring
138 when verifying one address while routing/verifying another. We have to have
139 the size explicit, because it is referenced from more than one module. */
140
141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
142 &deliver_address_data,
143 &deliver_domain,
144 &deliver_domain_data,
145 &deliver_domain_orig,
146 &deliver_domain_parent,
147 &deliver_localpart,
148 &deliver_localpart_data,
149 &deliver_localpart_orig,
150 &deliver_localpart_parent,
151 &deliver_localpart_prefix,
152 &deliver_localpart_suffix,
153 (uschar **)(&deliver_recipients),
154 &deliver_host,
155 &deliver_home,
156 &address_file,
157 &address_pipe,
158 &self_hostname,
159 NULL };
160
161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
162
163 /* General global variables */
164
165 header_line *acl_added_headers = NULL;
166 tree_node *acl_anchor = NULL;
167
168 uschar *acl_not_smtp = NULL;
169 #ifdef WITH_CONTENT_SCAN
170 uschar *acl_not_smtp_mime = NULL;
171 #endif
172 uschar *acl_not_smtp_start = NULL;
173
174 uschar *acl_smtp_auth = NULL;
175 uschar *acl_smtp_connect = NULL;
176 uschar *acl_smtp_data = NULL;
177 #ifndef DISABLE_DKIM
178 uschar *acl_smtp_dkim = NULL;
179 #endif
180 uschar *acl_smtp_etrn = NULL;
181 uschar *acl_smtp_expn = NULL;
182 uschar *acl_smtp_helo = NULL;
183 uschar *acl_smtp_mail = NULL;
184 uschar *acl_smtp_mailauth = NULL;
185 #ifdef WITH_CONTENT_SCAN
186 uschar *acl_smtp_mime = NULL;
187 #endif
188 uschar *acl_smtp_notquit = NULL;
189 uschar *acl_smtp_predata = NULL;
190 uschar *acl_smtp_quit = NULL;
191 uschar *acl_smtp_rcpt = NULL;
192 uschar *acl_smtp_starttls = NULL;
193 uschar *acl_smtp_vrfy = NULL;
194
195 BOOL acl_temp_details = FALSE;
196 tree_node *acl_var_c = NULL;
197 tree_node *acl_var_m = NULL;
198 uschar *acl_verify_message = NULL;
199 string_item *acl_warn_logged = NULL;
200
201 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
202 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
203
204 uschar *acl_wherenames[] = { US"RCPT",
205 US"MAIL",
206 US"PREDATA",
207 US"MIME",
208 US"DKIM",
209 US"DATA",
210 US"non-SMTP",
211 US"AUTH",
212 US"connection",
213 US"ETRN",
214 US"EXPN",
215 US"EHLO or HELO",
216 US"MAILAUTH",
217 US"non-SMTP-start",
218 US"NOTQUIT",
219 US"QUIT",
220 US"STARTTLS",
221 US"VRFY"
222 };
223
224 uschar *acl_wherecodes[] = { US"550", /* RCPT */
225 US"550", /* MAIL */
226 US"550", /* PREDATA */
227 US"550", /* MIME */
228 US"550", /* DKIM */
229 US"550", /* DATA */
230 US"0", /* not SMTP; not relevant */
231 US"503", /* AUTH */
232 US"550", /* connect */
233 US"458", /* ETRN */
234 US"550", /* EXPN */
235 US"550", /* HELO/EHLO */
236 US"0", /* MAILAUTH; not relevant */
237 US"0", /* not SMTP; not relevant */
238 US"0", /* NOTQUIT; not relevant */
239 US"0", /* QUIT; not relevant */
240 US"550", /* STARTTLS */
241 US"252" /* VRFY */
242 };
243
244 BOOL active_local_from_check = FALSE;
245 BOOL active_local_sender_retain = FALSE;
246 BOOL accept_8bitmime = FALSE;
247 address_item *addr_duplicate = NULL;
248
249 address_item address_defaults = {
250 NULL, /* next */
251 NULL, /* parent */
252 NULL, /* first */
253 NULL, /* dupof */
254 NULL, /* start_router */
255 NULL, /* router */
256 NULL, /* transport */
257 NULL, /* host_list */
258 NULL, /* host_used */
259 NULL, /* fallback_hosts */
260 NULL, /* reply */
261 NULL, /* retries */
262 NULL, /* address */
263 NULL, /* unique */
264 NULL, /* cc_local_part */
265 NULL, /* lc_local_part */
266 NULL, /* local_part */
267 NULL, /* prefix */
268 NULL, /* suffix */
269 NULL, /* domain */
270 NULL, /* address_retry_key */
271 NULL, /* domain_retry_key */
272 NULL, /* current_dir */
273 NULL, /* home_dir */
274 NULL, /* message */
275 NULL, /* user_message */
276 NULL, /* onetime_parent */
277 NULL, /* pipe_expandn */
278 NULL, /* return_filename */
279 NULL, /* self_hostname */
280 NULL, /* shadow_message */
281 #ifdef SUPPORT_TLS
282 NULL, /* cipher */
283 NULL, /* peerdn */
284 #endif
285 (uid_t)(-1), /* uid */
286 (gid_t)(-1), /* gid */
287 0, /* flags */
288 { 0 }, /* domain_cache - any larger array should be zeroed */
289 { 0 }, /* localpart_cache - ditto */
290 -1, /* mode */
291 0, /* more_errno */
292 ERRNO_UNKNOWNERROR, /* basic_errno */
293 0, /* child_count */
294 -1, /* return_file */
295 SPECIAL_NONE, /* special_action */
296 DEFER, /* transport_return */
297 { /* fields that are propagated to children */
298 NULL, /* address_data */
299 NULL, /* domain_data */
300 NULL, /* localpart_data */
301 NULL, /* errors_address */
302 NULL, /* extra_headers */
303 NULL, /* remove_headers */
304 #ifdef EXPERIMENTAL_SRS
305 NULL, /* srs_sender */
306 #endif
307 }
308 };
309
310 uschar *address_file = NULL;
311 uschar *address_pipe = NULL;
312 BOOL address_test_mode = FALSE;
313 tree_node *addresslist_anchor = NULL;
314 int addresslist_count = 0;
315 gid_t *admin_groups = NULL;
316 BOOL admin_user = FALSE;
317 BOOL allow_auth_unadvertised= FALSE;
318 BOOL allow_domain_literals = FALSE;
319 BOOL allow_mx_to_ip = FALSE;
320 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
321 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
322 BOOL allow_utf8_domains = FALSE;
323 uschar *authenticated_id = NULL;
324 uschar *authenticated_sender = NULL;
325 BOOL authentication_failed = FALSE;
326 auth_instance *auths = NULL;
327 uschar *auth_advertise_hosts = US"*";
328 auth_instance auth_defaults = {
329 NULL, /* chain pointer */
330 NULL, /* name */
331 NULL, /* info */
332 NULL, /* private options block pointer */
333 NULL, /* driver_name */
334 NULL, /* advertise_condition */
335 NULL, /* client_condition */
336 NULL, /* public_name */
337 NULL, /* set_id */
338 NULL, /* server_mail_auth_condition */
339 NULL, /* server_debug_string */
340 NULL, /* server_condition */
341 FALSE, /* client */
342 FALSE, /* server */
343 FALSE /* advertised */
344 };
345
346 uschar *auth_defer_msg = US"reason not recorded";
347 uschar *auth_defer_user_msg = US"";
348 uschar *auth_vars[AUTH_VARS];
349 int auto_thaw = 0;
350 #ifdef WITH_CONTENT_SCAN
351 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
352 #endif
353
354 BOOL background_daemon = TRUE;
355
356 #if BASE_62 == 62
357 uschar *base62_chars=
358 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
359 #else
360 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
361 #endif
362
363 uschar *bi_command = NULL;
364 uschar *big_buffer = NULL;
365 int big_buffer_size = BIG_BUFFER_SIZE;
366 #ifdef EXPERIMENTAL_BRIGHTMAIL
367 uschar *bmi_alt_location = NULL;
368 uschar *bmi_base64_tracker_verdict = NULL;
369 uschar *bmi_base64_verdict = NULL;
370 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
371 int bmi_deliver = 1;
372 int bmi_run = 0;
373 uschar *bmi_verdicts = NULL;
374 #endif
375 int body_linecount = 0;
376 int body_zerocount = 0;
377 uschar *bounce_message_file = NULL;
378 uschar *bounce_message_text = NULL;
379 uschar *bounce_recipient = NULL;
380 BOOL bounce_return_body = TRUE;
381 BOOL bounce_return_message = TRUE;
382 int bounce_return_size_limit = 100*1024;
383 uschar *bounce_sender_authentication = NULL;
384 int bsmtp_transaction_linecount = 0;
385
386 int callout_cache_domain_positive_expire = 7*24*60*60;
387 int callout_cache_domain_negative_expire = 3*60*60;
388 int callout_cache_positive_expire = 24*60*60;
389 int callout_cache_negative_expire = 2*60*60;
390 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
391 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
392 int check_log_inodes = 0;
393 int check_log_space = 0;
394 BOOL check_rfc2047_length = TRUE;
395 int check_spool_inodes = 0;
396 int check_spool_space = 0;
397 int clmacro_count = 0;
398 uschar *clmacros[MAX_CLMACROS];
399 BOOL config_changed = FALSE;
400 FILE *config_file = NULL;
401 uschar *config_filename = NULL;
402 int config_lineno = 0;
403 #ifdef CONFIGURE_GROUP
404 gid_t config_gid = CONFIGURE_GROUP;
405 #endif
406 uschar *config_main_filelist = US CONFIGURE_FILE
407 "\0<-----------Space to patch configure_filename->";
408 uschar *config_main_filename = NULL;
409
410 #ifdef CONFIGURE_OWNER
411 uid_t config_uid = CONFIGURE_OWNER;
412 #endif
413
414 int connection_max_messages= -1;
415 uschar *continue_hostname = NULL;
416 uschar *continue_host_address = NULL;
417 BOOL continue_more = FALSE;
418 int continue_sequence = 1;
419 uschar *continue_transport = NULL;
420
421 uschar *csa_status = NULL;
422
423 BOOL daemon_listen = FALSE;
424 uschar *daemon_smtp_port = US"smtp";
425 int daemon_startup_retries = 9;
426 int daemon_startup_sleep = 30;
427
428 #ifdef EXPERIMENTAL_DCC
429 BOOL dcc_direct_add_header = FALSE;
430 uschar *dcc_header = NULL;
431 uschar *dcc_result = NULL;
432 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
433 uschar *dccifd_options = US"header";
434 #endif
435
436 BOOL debug_daemon = FALSE;
437 int debug_fd = -1;
438 FILE *debug_file = NULL;
439 bit_table debug_options[] = {
440 { US"acl", D_acl },
441 { US"all", D_all },
442 { US"auth", D_auth },
443 { US"deliver", D_deliver },
444 { US"dns", D_dns },
445 { US"dnsbl", D_dnsbl },
446 { US"exec", D_exec },
447 { US"expand", D_expand },
448 { US"filter", D_filter },
449 { US"hints_lookup", D_hints_lookup },
450 { US"host_lookup", D_host_lookup },
451 { US"ident", D_ident },
452 { US"interface", D_interface },
453 { US"lists", D_lists },
454 { US"load", D_load },
455 { US"local_scan", D_local_scan },
456 { US"lookup", D_lookup },
457 { US"memory", D_memory },
458 { US"pid", D_pid },
459 { US"process_info", D_process_info },
460 { US"queue_run", D_queue_run },
461 { US"receive", D_receive },
462 { US"resolver", D_resolver },
463 { US"retry", D_retry },
464 { US"rewrite", D_rewrite },
465 { US"route", D_route },
466 { US"timestamp", D_timestamp },
467 { US"tls", D_tls },
468 { US"transport", D_transport },
469 { US"uid", D_uid },
470 { US"verify", D_verify }
471 };
472 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
473 unsigned int debug_selector = 0;
474 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
475 uschar *delay_warning_condition=
476 US"${if or {"
477 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
478 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
479 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
480 "} {no}{yes}}";
481 BOOL delivery_date_remove = TRUE;
482 uschar *deliver_address_data = NULL;
483 int deliver_datafile = -1;
484 uschar *deliver_domain = NULL;
485 uschar *deliver_domain_data = NULL;
486 uschar *deliver_domain_orig = NULL;
487 uschar *deliver_domain_parent = NULL;
488 BOOL deliver_drop_privilege = FALSE;
489 BOOL deliver_firsttime = FALSE;
490 BOOL deliver_force = FALSE;
491 BOOL deliver_freeze = FALSE;
492 int deliver_frozen_at = 0;
493 uschar *deliver_home = NULL;
494 uschar *deliver_host = NULL;
495 uschar *deliver_host_address = NULL;
496 uschar *deliver_in_buffer = NULL;
497 ino_t deliver_inode = 0;
498 uschar *deliver_localpart = NULL;
499 uschar *deliver_localpart_data = NULL;
500 uschar *deliver_localpart_orig = NULL;
501 uschar *deliver_localpart_parent = NULL;
502 uschar *deliver_localpart_prefix = NULL;
503 uschar *deliver_localpart_suffix = NULL;
504 BOOL deliver_force_thaw = FALSE;
505 BOOL deliver_manual_thaw = FALSE;
506 uschar *deliver_out_buffer = NULL;
507 int deliver_queue_load_max = -1;
508 address_item *deliver_recipients = NULL;
509 uschar *deliver_selectstring = NULL;
510 BOOL deliver_selectstring_regex = FALSE;
511 uschar *deliver_selectstring_sender = NULL;
512 BOOL deliver_selectstring_sender_regex = FALSE;
513 #ifdef WITH_OLD_DEMIME
514 int demime_errorlevel = 0;
515 int demime_ok = 0;
516 uschar *demime_reason = NULL;
517 #endif
518 BOOL disable_callout_flush = FALSE;
519 BOOL disable_delay_flush = FALSE;
520 #ifdef ENABLE_DISABLE_FSYNC
521 BOOL disable_fsync = FALSE;
522 #endif
523 BOOL disable_ipv6 = FALSE;
524 BOOL disable_logging = FALSE;
525
526 #ifndef DISABLE_DKIM
527 uschar *dkim_cur_signer = NULL;
528 uschar *dkim_signers = NULL;
529 uschar *dkim_signing_domain = NULL;
530 uschar *dkim_signing_selector = NULL;
531 uschar *dkim_verify_signers = US"$dkim_signers";
532 BOOL dkim_collect_input = FALSE;
533 BOOL dkim_disable_verify = FALSE;
534 #endif
535
536 uschar *dns_again_means_nonexist = NULL;
537 int dns_csa_search_limit = 5;
538 BOOL dns_csa_use_reverse = TRUE;
539 uschar *dns_ipv4_lookup = NULL;
540 int dns_retrans = 0;
541 int dns_retry = 0;
542 int dns_use_edns0 = -1; /* <0 = not coerced */
543 uschar *dnslist_domain = NULL;
544 uschar *dnslist_matched = NULL;
545 uschar *dnslist_text = NULL;
546 uschar *dnslist_value = NULL;
547 tree_node *domainlist_anchor = NULL;
548 int domainlist_count = 0;
549 BOOL dont_deliver = FALSE;
550 BOOL dot_ends = TRUE;
551 BOOL drop_cr = FALSE; /* No longer used */
552 uschar *dsn_from = US DEFAULT_DSN_FROM;
553
554 BOOL enable_dollar_recipients = FALSE;
555 BOOL envelope_to_remove = TRUE;
556 int errno_quota = ERRNO_QUOTA;
557 uschar *errors_copy = NULL;
558 int error_handling = ERRORS_SENDER;
559 uschar *errors_reply_to = NULL;
560 int errors_sender_rc = EXIT_FAILURE;
561
562 gid_t exim_gid = EXIM_GID;
563 BOOL exim_gid_set = TRUE; /* This gid is always set */
564 uschar *exim_path = US BIN_DIRECTORY "/exim"
565 "\0<---------------Space to patch exim_path->";
566 uid_t exim_uid = EXIM_UID;
567 BOOL exim_uid_set = TRUE; /* This uid is always set */
568 int expand_forbid = 0;
569 int expand_nlength[EXPAND_MAXN+1];
570 int expand_nmax = -1;
571 uschar *expand_nstring[EXPAND_MAXN+1];
572 BOOL expand_string_forcedfail = FALSE;
573 uschar *expand_string_message;
574 BOOL extract_addresses_remove_arguments = TRUE;
575 uschar *extra_local_interfaces = NULL;
576
577 int fake_response = OK;
578 uschar *fake_response_text = US"Your message has been rejected but is "
579 "being kept for evaluation.\nIf it was a "
580 "legitimate message, it may still be "
581 "delivered to the target recipient(s).";
582 int filter_n[FILTER_VARIABLE_COUNT];
583 BOOL filter_running = FALSE;
584 int filter_sn[FILTER_VARIABLE_COUNT];
585 int filter_test = FTEST_NONE;
586 uschar *filter_test_sfile = NULL;
587 uschar *filter_test_ufile = NULL;
588 uschar *filter_thisaddress = NULL;
589 int finduser_retries = 0;
590 #ifdef WITH_OLD_DEMIME
591 uschar *found_extension = NULL;
592 #endif
593 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
594 uschar *freeze_tell = NULL;
595 uschar *freeze_tell_config = NULL;
596 uschar *fudged_queue_times = US"";
597
598 uschar *gecos_name = NULL;
599 uschar *gecos_pattern = NULL;
600 rewrite_rule *global_rewrite_rules = NULL;
601
602 uschar *headers_charset = US HEADERS_CHARSET;
603 int header_insert_maxlen = 64 * 1024;
604 header_line *header_last = NULL;
605 header_line *header_list = NULL;
606 int header_maxsize = HEADER_MAXSIZE;
607 int header_line_maxsize = 0;
608
609 header_name header_names[] = {
610 { US"bcc", 3, TRUE, htype_bcc },
611 { US"cc", 2, TRUE, htype_cc },
612 { US"date", 4, TRUE, htype_date },
613 { US"delivery-date", 13, FALSE, htype_delivery_date },
614 { US"envelope-to", 11, FALSE, htype_envelope_to },
615 { US"from", 4, TRUE, htype_from },
616 { US"message-id", 10, TRUE, htype_id },
617 { US"received", 8, FALSE, htype_received },
618 { US"reply-to", 8, FALSE, htype_reply_to },
619 { US"return-path", 11, FALSE, htype_return_path },
620 { US"sender", 6, TRUE, htype_sender },
621 { US"subject", 7, FALSE, htype_subject },
622 { US"to", 2, TRUE, htype_to }
623 };
624
625 int header_names_size = sizeof(header_names)/sizeof(header_name);
626
627 BOOL header_rewritten = FALSE;
628 uschar *helo_accept_junk_hosts = NULL;
629 uschar *helo_allow_chars = US"";
630 uschar *helo_lookup_domains = US"@ : @[]";
631 uschar *helo_try_verify_hosts = NULL;
632 BOOL helo_verified = FALSE;
633 BOOL helo_verify_failed = FALSE;
634 uschar *helo_verify_hosts = NULL;
635 const uschar *hex_digits = CUS"0123456789abcdef";
636 uschar *hold_domains = NULL;
637 BOOL host_checking = FALSE;
638 BOOL host_checking_callout = FALSE;
639 uschar *host_data = NULL;
640 BOOL host_find_failed_syntax= FALSE;
641 uschar *host_lookup = NULL;
642 BOOL host_lookup_deferred = FALSE;
643 BOOL host_lookup_failed = FALSE;
644 uschar *host_lookup_order = US"bydns:byaddr";
645 uschar *host_lookup_msg = US"";
646 int host_number = 0;
647 uschar *host_number_string = NULL;
648 uschar *host_reject_connection = NULL;
649 tree_node *hostlist_anchor = NULL;
650 int hostlist_count = 0;
651 uschar *hosts_treat_as_local = NULL;
652 uschar *hosts_connection_nolog = NULL;
653
654 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
655 BOOL ignore_fromline_local = FALSE;
656 uschar *ignore_fromline_hosts = NULL;
657 uschar *interface_address = NULL;
658 int interface_port = -1;
659 BOOL is_inetd = FALSE;
660 uschar *iterate_item = NULL;
661
662 int journal_fd = -1;
663
664 int keep_malformed = 4*24*60*60; /* 4 days */
665
666 uschar *eldap_dn = NULL;
667 int load_average = -2;
668 BOOL local_error_message = FALSE;
669 BOOL local_from_check = TRUE;
670 uschar *local_from_prefix = NULL;
671 uschar *local_from_suffix = NULL;
672
673 #if HAVE_IPV6
674 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
675 #else
676 uschar *local_interfaces = US"0.0.0.0";
677 #endif
678
679 uschar *local_scan_data = NULL;
680 int local_scan_timeout = 5*60;
681 BOOL local_sender_retain = FALSE;
682 gid_t local_user_gid = (gid_t)(-1);
683 uid_t local_user_uid = (uid_t)(-1);
684
685 tree_node *localpartlist_anchor= NULL;
686 int localpartlist_count = 0;
687 uschar *log_buffer = NULL;
688 unsigned int log_extra_selector = LX_default;
689 uschar *log_file_path = US LOG_FILE_PATH
690 "\0<--------------Space to patch log_file_path->";
691
692 /* Those log options with L_xxx identifiers have values less than 0x800000 and
693 are the ones that get put into log_write_selector. They can be used in calls to
694 log_write() to test for the bit. The options with LX_xxx identifiers have
695 values greater than 0x80000000 and are put int log_extra_selector (without the
696 top bit). They are never used in calls to log_write(), but are tested
697 independently. This separation became necessary when the number of log
698 selectors was getting close to filling a 32-bit word. */
699
700 /* Note that this list must be in alphabetical order. */
701
702 bit_table log_options[] = {
703 { US"acl_warn_skipped", LX_acl_warn_skipped },
704 { US"address_rewrite", L_address_rewrite },
705 { US"all", L_all },
706 { US"all_parents", L_all_parents },
707 { US"arguments", LX_arguments },
708 { US"connection_reject", L_connection_reject },
709 { US"delay_delivery", L_delay_delivery },
710 { US"deliver_time", LX_deliver_time },
711 { US"delivery_size", LX_delivery_size },
712 { US"dnslist_defer", L_dnslist_defer },
713 { US"etrn", L_etrn },
714 { US"host_lookup_failed", L_host_lookup_failed },
715 { US"ident_timeout", LX_ident_timeout },
716 { US"incoming_interface", LX_incoming_interface },
717 { US"incoming_port", LX_incoming_port },
718 { US"lost_incoming_connection", L_lost_incoming_connection },
719 { US"outgoing_port", LX_outgoing_port },
720 { US"pid", LX_pid },
721 { US"queue_run", L_queue_run },
722 { US"queue_time", LX_queue_time },
723 { US"queue_time_overall", LX_queue_time_overall },
724 { US"received_recipients", LX_received_recipients },
725 { US"received_sender", LX_received_sender },
726 { US"rejected_header", LX_rejected_header },
727 { US"rejected_headers", LX_rejected_header },
728 { US"retry_defer", L_retry_defer },
729 { US"return_path_on_delivery", LX_return_path_on_delivery },
730 { US"sender_on_delivery", LX_sender_on_delivery },
731 { US"sender_verify_fail", LX_sender_verify_fail },
732 { US"size_reject", L_size_reject },
733 { US"skip_delivery", L_skip_delivery },
734 { US"smtp_confirmation", LX_smtp_confirmation },
735 { US"smtp_connection", L_smtp_connection },
736 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
737 { US"smtp_no_mail", LX_smtp_no_mail },
738 { US"smtp_protocol_error", L_smtp_protocol_error },
739 { US"smtp_syntax_error", L_smtp_syntax_error },
740 { US"subject", LX_subject },
741 { US"tls_certificate_verified", LX_tls_certificate_verified },
742 { US"tls_cipher", LX_tls_cipher },
743 { US"tls_peerdn", LX_tls_peerdn },
744 { US"unknown_in_list", LX_unknown_in_list }
745 };
746
747 int log_options_count = sizeof(log_options)/sizeof(bit_table);
748 int log_reject_target = 0;
749 uschar *log_selector_string = NULL;
750 FILE *log_stderr = NULL;
751 BOOL log_testing_mode = FALSE;
752 BOOL log_timezone = FALSE;
753 unsigned int log_write_selector= L_default;
754 uschar *login_sender_address = NULL;
755 int lookup_open_max = 25;
756 uschar *lookup_value = NULL;
757
758 macro_item *macros = NULL;
759 uschar *mailstore_basename = NULL;
760 #ifdef WITH_CONTENT_SCAN
761 uschar *malware_name = NULL; /* Virus Name */
762 #endif
763 int max_received_linelength= 0;
764 int max_username_length = 0;
765 int message_age = 0;
766 uschar *message_body = NULL;
767 uschar *message_body_end = NULL;
768 BOOL message_body_newlines = FALSE;
769 int message_body_size = 0;
770 int message_body_visible = 500;
771 int message_ended = END_NOTSTARTED;
772 uschar *message_headers = NULL;
773 uschar *message_id;
774 uschar *message_id_domain = NULL;
775 uschar *message_id_text = NULL;
776 struct timeval message_id_tv = { 0, 0 };
777 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
778 uschar *message_id_external;
779 int message_linecount = 0;
780 BOOL message_logs = TRUE;
781 int message_size = 0;
782 uschar *message_size_limit = US"50M";
783 uschar message_subdir[2] = { 0, 0 };
784 uschar *message_reference = NULL;
785
786 /* MIME ACL expandables */
787 #ifdef WITH_CONTENT_SCAN
788 int mime_anomaly_level = 0;
789 const uschar *mime_anomaly_text = NULL;
790 uschar *mime_boundary = NULL;
791 uschar *mime_charset = NULL;
792 uschar *mime_content_description = NULL;
793 uschar *mime_content_disposition = NULL;
794 uschar *mime_content_id = NULL;
795 unsigned int mime_content_size = 0;
796 uschar *mime_content_transfer_encoding = NULL;
797 uschar *mime_content_type = NULL;
798 uschar *mime_decoded_filename = NULL;
799 uschar *mime_filename = NULL;
800 int mime_is_multipart = 0;
801 int mime_is_coverletter = 0;
802 int mime_is_rfc822 = 0;
803 int mime_part_count = -1;
804 #endif
805
806 BOOL mua_wrapper = FALSE;
807
808 uid_t *never_users = NULL;
809 #ifdef WITH_CONTENT_SCAN
810 BOOL no_mbox_unspool = FALSE;
811 #endif
812 BOOL no_multiline_responses = FALSE;
813
814 uid_t original_euid;
815 gid_t originator_gid;
816 uschar *originator_login = NULL;
817 uschar *originator_name = NULL;
818 uid_t originator_uid;
819 uschar *override_local_interfaces = NULL;
820 uschar *override_pid_file_path = NULL;
821
822 BOOL parse_allow_group = FALSE;
823 BOOL parse_found_group = FALSE;
824 uschar *percent_hack_domains = NULL;
825 uschar *pid_file_path = US PID_FILE_PATH
826 "\0<--------------Space to patch pid_file_path->";
827 BOOL pipelining_enable = TRUE;
828 uschar *pipelining_advertise_hosts = US"*";
829 BOOL preserve_message_logs = FALSE;
830 uschar *primary_hostname = NULL;
831 BOOL print_topbitchars = FALSE;
832 uschar process_info[PROCESS_INFO_SIZE];
833 int process_info_len = 0;
834 uschar *process_log_path = NULL;
835 BOOL prod_requires_admin = TRUE;
836 uschar *prvscheck_address = NULL;
837 uschar *prvscheck_keynum = NULL;
838 uschar *prvscheck_result = NULL;
839
840
841 uschar *qualify_domain_recipient = NULL;
842 uschar *qualify_domain_sender = NULL;
843 BOOL queue_2stage = FALSE;
844 uschar *queue_domains = NULL;
845 int queue_interval = -1;
846 BOOL queue_list_requires_admin = TRUE;
847 BOOL queue_only = FALSE;
848 uschar *queue_only_file = NULL;
849 int queue_only_load = -1;
850 BOOL queue_only_load_latch = TRUE;
851 BOOL queue_only_override = TRUE;
852 BOOL queue_only_policy = FALSE;
853 BOOL queue_run_first_delivery = FALSE;
854 BOOL queue_run_force = FALSE;
855 BOOL queue_run_in_order = FALSE;
856 BOOL queue_run_local = FALSE;
857 int queue_run_max = 5;
858 pid_t queue_run_pid = (pid_t)0;
859 int queue_run_pipe = -1;
860 BOOL queue_running = FALSE;
861 BOOL queue_smtp = FALSE;
862 uschar *queue_smtp_domains = NULL;
863
864 unsigned int random_seed = 0;
865 tree_node *ratelimiters_cmd = NULL;
866 tree_node *ratelimiters_conn = NULL;
867 tree_node *ratelimiters_mail = NULL;
868 uschar *raw_active_hostname = NULL;
869 uschar *raw_sender = NULL;
870 uschar **raw_recipients = NULL;
871 int raw_recipients_count = 0;
872
873 int rcpt_count = 0;
874 int rcpt_fail_count = 0;
875 int rcpt_defer_count = 0;
876 gid_t real_gid;
877 uid_t real_uid;
878 BOOL really_exim = TRUE;
879 BOOL receive_call_bombout = FALSE;
880 int receive_linecount = 0;
881 int receive_messagecount = 0;
882 int receive_timeout = 0;
883 int received_count = 0;
884 uschar *received_for = NULL;
885
886 /* This is the default text for Received headers generated by Exim. The
887 date will be automatically added on the end. */
888
889 uschar *received_header_text = US
890 "Received: "
891 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
892 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
893 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
894 "by $primary_hostname "
895 "${if def:received_protocol {with $received_protocol}} "
896 #ifdef SUPPORT_TLS
897 "${if def:tls_cipher {($tls_cipher)\n\t}}"
898 #endif
899 "(Exim $version_number)\n\t"
900 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
901 "id $message_exim_id"
902 "${if def:received_for {\n\tfor $received_for}}"
903 "\0<---------------Space to patch received_header_text->";
904
905 int received_headers_max = 30;
906 uschar *received_protocol = NULL;
907 int received_time = 0;
908 uschar *recipient_data = NULL;
909 uschar *recipient_unqualified_hosts = NULL;
910 uschar *recipient_verify_failure = NULL;
911 int recipients_count = 0;
912 BOOL recipients_discarded = FALSE;
913 recipient_item *recipients_list = NULL;
914 int recipients_list_max = 0;
915 int recipients_max = 0;
916 BOOL recipients_max_reject = FALSE;
917 const pcre *regex_AUTH = NULL;
918 const pcre *regex_check_dns_names = NULL;
919 const pcre *regex_From = NULL;
920 const pcre *regex_IGNOREQUOTA = NULL;
921 const pcre *regex_PIPELINING = NULL;
922 const pcre *regex_SIZE = NULL;
923 const pcre *regex_smtp_code = NULL;
924 const pcre *regex_ismsgid = NULL;
925 #ifdef WHITELIST_D_MACROS
926 const pcre *regex_whitelisted_macro = NULL;
927 #endif
928 #ifdef WITH_CONTENT_SCAN
929 uschar *regex_match_string = NULL;
930 #endif
931 int remote_delivery_count = 0;
932 int remote_max_parallel = 2;
933 uschar *remote_sort_domains = NULL;
934 int retry_data_expire = 7*24*60*60;
935 int retry_interval_max = 24*60*60;
936 int retry_maximum_timeout = 0; /* set from retry config */
937 retry_config *retries = NULL;
938 uschar *return_path = NULL;
939 BOOL return_path_remove = TRUE;
940 int rewrite_existflags = 0;
941 uschar *rfc1413_hosts = US"*";
942 int rfc1413_query_timeout = 5;
943 /* BOOL rfc821_domains = FALSE; <<< on the way out */
944 uid_t root_gid = ROOT_GID;
945 uid_t root_uid = ROOT_UID;
946
947 router_instance *routers = NULL;
948 router_instance router_defaults = {
949 NULL, /* chain pointer */
950 NULL, /* name */
951 NULL, /* info */
952 NULL, /* private options block pointer */
953 NULL, /* driver name */
954
955 NULL, /* address_data */
956 #ifdef EXPERIMENTAL_BRIGHTMAIL
957 NULL, /* bmi_rule */
958 #endif
959 NULL, /* cannot_route_message */
960 NULL, /* condition */
961 NULL, /* current_directory */
962 NULL, /* debug_string */
963 NULL, /* domains */
964 NULL, /* errors_to */
965 NULL, /* expand_gid */
966 NULL, /* expand_uid */
967 NULL, /* expand_more */
968 NULL, /* expand_unseen */
969 NULL, /* extra_headers */
970 NULL, /* fallback_hosts */
971 NULL, /* home_directory */
972 NULL, /* ignore_target_hosts */
973 NULL, /* local_parts */
974 NULL, /* pass_router_name */
975 NULL, /* prefix */
976 NULL, /* redirect_router_name */
977 NULL, /* remove_headers */
978 NULL, /* require_files */
979 NULL, /* router_home_directory */
980 US"freeze", /* self */
981 NULL, /* senders */
982 NULL, /* suffix */
983 NULL, /* translate_ip_address */
984 NULL, /* transport_name */
985
986 TRUE, /* address_test */
987 #ifdef EXPERIMENTAL_BRIGHTMAIL
988 FALSE, /* bmi_deliver_alternate */
989 FALSE, /* bmi_deliver_default */
990 FALSE, /* bmi_dont_deliver */
991 #endif
992 TRUE, /* expn */
993 FALSE, /* caseful_local_part */
994 FALSE, /* check_local_user */
995 FALSE, /* disable_logging */
996 FALSE, /* fail_verify_recipient */
997 FALSE, /* fail_verify_sender */
998 FALSE, /* gid_set */
999 FALSE, /* initgroups */
1000 TRUE_UNSET, /* log_as_local */
1001 TRUE, /* more */
1002 FALSE, /* pass_on_timeout */
1003 FALSE, /* prefix_optional */
1004 TRUE, /* repeat_use */
1005 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1006 FALSE, /* same_domain_copy_routing */
1007 FALSE, /* self_rewrite */
1008 FALSE, /* suffix_optional */
1009 FALSE, /* verify_only */
1010 TRUE, /* verify_recipient */
1011 TRUE, /* verify_sender */
1012 FALSE, /* uid_set */
1013 FALSE, /* unseen */
1014
1015 self_freeze, /* self_code */
1016 (uid_t)(-1), /* uid */
1017 (gid_t)(-1), /* gid */
1018
1019 NULL, /* fallback_hostlist */
1020 NULL, /* transport instance */
1021 NULL, /* pass_router */
1022 NULL /* redirect_router */
1023 };
1024
1025 ip_address_item *running_interfaces = NULL;
1026 BOOL running_in_test_harness = FALSE;
1027
1028 /* This is a weird one. The following string gets patched in the binary by the
1029 script that sets up a copy of Exim for running in the test harness. It seems
1030 that compilers are now clever, and share constant strings if they can.
1031 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1032 make use of the end of this string in order to save space. So the patching then
1033 wrecks this. We defeat this optimization by adding some additional characters
1034 onto the end of the string. */
1035
1036 uschar *running_status = US">>>running<<<" "\0EXTRA";
1037
1038 int runrc = 0;
1039
1040 uschar *search_error_message = NULL;
1041 BOOL search_find_defer = FALSE;
1042 uschar *self_hostname = NULL;
1043 uschar *sender_address = NULL;
1044 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1045 uschar *sender_address_data = NULL;
1046 BOOL sender_address_forced = FALSE;
1047 uschar *sender_address_unrewritten = NULL;
1048 uschar *sender_data = NULL;
1049 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1050 uschar *sender_fullhost = NULL;
1051 uschar *sender_helo_name = NULL;
1052 uschar **sender_host_aliases = &no_aliases;
1053 uschar *sender_host_address = NULL;
1054 uschar *sender_host_authenticated = NULL;
1055 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1056 uschar *sender_host_name = NULL;
1057 int sender_host_port = 0;
1058 BOOL sender_host_notsocket = FALSE;
1059 BOOL sender_host_unknown = FALSE;
1060 uschar *sender_ident = NULL;
1061 BOOL sender_local = FALSE;
1062 BOOL sender_name_forced = FALSE;
1063 uschar *sender_rate = NULL;
1064 uschar *sender_rate_limit = NULL;
1065 uschar *sender_rate_period = NULL;
1066 uschar *sender_rcvhost = NULL;
1067 BOOL sender_set_untrusted = FALSE;
1068 uschar *sender_unqualified_hosts = NULL;
1069 uschar *sender_verify_failure = NULL;
1070 address_item *sender_verified_list = NULL;
1071 address_item *sender_verified_failed = NULL;
1072 int sender_verified_rc = -1;
1073 BOOL sender_verified_responded = FALSE;
1074 uschar *sending_ip_address = NULL;
1075 int sending_port = -1;
1076 SIGNAL_BOOL sigalrm_seen = FALSE;
1077 uschar **sighup_argv = NULL;
1078 int smtp_accept_count = 0;
1079 BOOL smtp_accept_keepalive = TRUE;
1080 int smtp_accept_max = 20;
1081 int smtp_accept_max_nonmail= 10;
1082 uschar *smtp_accept_max_nonmail_hosts = US"*";
1083 int smtp_accept_max_per_connection = 1000;
1084 uschar *smtp_accept_max_per_host = NULL;
1085 int smtp_accept_queue = 0;
1086 int smtp_accept_queue_per_connection = 10;
1087 int smtp_accept_reserve = 0;
1088 uschar *smtp_active_hostname = NULL;
1089 BOOL smtp_authenticated = FALSE;
1090 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1091 "Exim $version_number $tod_full"
1092 "\0<---------------Space to patch smtp_banner->";
1093 BOOL smtp_batched_input = FALSE;
1094 BOOL smtp_check_spool_space = TRUE;
1095 int smtp_ch_index = 0;
1096 uschar *smtp_cmd_argument = NULL;
1097 uschar *smtp_cmd_buffer = NULL;
1098 time_t smtp_connection_start = 0;
1099 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1100 int smtp_connect_backlog = 20;
1101 double smtp_delay_mail = 0.0;
1102 double smtp_delay_rcpt = 0.0;
1103 BOOL smtp_enforce_sync = TRUE;
1104 FILE *smtp_in = NULL;
1105 BOOL smtp_input = FALSE;
1106 int smtp_load_reserve = -1;
1107 int smtp_mailcmd_count = 0;
1108 FILE *smtp_out = NULL;
1109 uschar *smtp_etrn_command = NULL;
1110 BOOL smtp_etrn_serialize = TRUE;
1111 int smtp_max_synprot_errors= 3;
1112 int smtp_max_unknown_commands = 3;
1113 uschar *smtp_notquit_reason = NULL;
1114 uschar *smtp_ratelimit_hosts = NULL;
1115 uschar *smtp_ratelimit_mail = NULL;
1116 uschar *smtp_ratelimit_rcpt = NULL;
1117 uschar *smtp_read_error = US"";
1118 int smtp_receive_timeout = 5*60;
1119 uschar *smtp_reserve_hosts = NULL;
1120 BOOL smtp_return_error_details = FALSE;
1121 int smtp_rlm_base = 0;
1122 double smtp_rlm_factor = 0.0;
1123 int smtp_rlm_limit = 0;
1124 int smtp_rlm_threshold = INT_MAX;
1125 int smtp_rlr_base = 0;
1126 double smtp_rlr_factor = 0.0;
1127 int smtp_rlr_limit = 0;
1128 int smtp_rlr_threshold = INT_MAX;
1129 BOOL smtp_use_pipelining = FALSE;
1130 BOOL smtp_use_size = FALSE;
1131
1132 #ifdef WITH_CONTENT_SCAN
1133 uschar *spamd_address = US"127.0.0.1 783";
1134 uschar *spam_bar = NULL;
1135 uschar *spam_report = NULL;
1136 uschar *spam_score = NULL;
1137 uschar *spam_score_int = NULL;
1138 #endif
1139 #ifdef EXPERIMENTAL_SPF
1140 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1141 uschar *spf_header_comment = NULL;
1142 uschar *spf_received = NULL;
1143 uschar *spf_result = NULL;
1144 uschar *spf_smtp_comment = NULL;
1145 #endif
1146
1147 BOOL split_spool_directory = FALSE;
1148 uschar *spool_directory = US SPOOL_DIRECTORY
1149 "\0<--------------Space to patch spool_directory->";
1150 #ifdef EXPERIMENTAL_SRS
1151 uschar *srs_config = NULL;
1152 uschar *srs_db_address = NULL;
1153 uschar *srs_db_key = NULL;
1154 int srs_hashlength = 6;
1155 int srs_hashmin = -1;
1156 int srs_maxage = 31;
1157 uschar *srs_orig_recipient = NULL;
1158 uschar *srs_orig_sender = NULL;
1159 uschar *srs_recipient = NULL;
1160 uschar *srs_secrets = NULL;
1161 uschar *srs_status = NULL;
1162 BOOL srs_usehash = TRUE;
1163 BOOL srs_usetimestamp = TRUE;
1164 #endif
1165 BOOL strict_acl_vars = FALSE;
1166 int string_datestamp_offset= -1;
1167 int string_datestamp_length= 0;
1168 int string_datestamp_type = -1;
1169 BOOL strip_excess_angle_brackets = FALSE;
1170 BOOL strip_trailing_dot = FALSE;
1171 uschar *submission_domain = NULL;
1172 BOOL submission_mode = FALSE;
1173 uschar *submission_name = NULL;
1174 BOOL suppress_local_fixups = FALSE;
1175 BOOL synchronous_delivery = FALSE;
1176 BOOL syslog_duplication = TRUE;
1177 int syslog_facility = LOG_MAIL;
1178 uschar *syslog_processname = US"exim";
1179 BOOL syslog_timestamp = TRUE;
1180 uschar *system_filter = NULL;
1181
1182 uschar *system_filter_directory_transport = NULL;
1183 uschar *system_filter_file_transport = NULL;
1184 uschar *system_filter_pipe_transport = NULL;
1185 uschar *system_filter_reply_transport = NULL;
1186
1187 gid_t system_filter_gid = 0;
1188 BOOL system_filter_gid_set = FALSE;
1189 uid_t system_filter_uid = (uid_t)-1;
1190 BOOL system_filter_uid_set = FALSE;
1191 BOOL system_filtering = FALSE;
1192
1193 BOOL tcp_nodelay = TRUE;
1194 #ifdef USE_TCP_WRAPPERS
1195 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1196 #endif
1197 int test_harness_load_avg = 0;
1198 int thismessage_size_limit = 0;
1199 int timeout_frozen_after = 0;
1200 BOOL timestamps_utc = FALSE;
1201
1202 transport_instance *transports = NULL;
1203
1204 transport_instance transport_defaults = {
1205 NULL, /* chain pointer */
1206 NULL, /* name */
1207 NULL, /* info */
1208 NULL, /* private options block pointer */
1209 NULL, /* driver name */
1210 NULL, /* setup entry point */
1211 1, /* batch_max */
1212 NULL, /* batch_id */
1213 NULL, /* home_dir */
1214 NULL, /* current_dir */
1215 TRUE, /* multi-domain */
1216 FALSE, /* overrides_hosts */
1217 100, /* max_addresses */
1218 500, /* connection_max_messages */
1219 FALSE, /* deliver_as_creator */
1220 FALSE, /* disable_logging */
1221 FALSE, /* initgroups */
1222 FALSE, /* uid_set */
1223 FALSE, /* gid_set */
1224 (uid_t)(-1), /* uid */
1225 (gid_t)(-1), /* gid */
1226 NULL, /* expand_uid */
1227 NULL, /* expand_gid */
1228 NULL, /* warn_message */
1229 NULL, /* shadow */
1230 NULL, /* shadow_condition */
1231 NULL, /* filter_command */
1232 NULL, /* add_headers */
1233 NULL, /* remove_headers */
1234 NULL, /* return_path */
1235 NULL, /* debug_string */
1236 NULL, /* message_size_limit */
1237 NULL, /* headers_rewrite */
1238 NULL, /* rewrite_rules */
1239 0, /* rewrite_existflags */
1240 300, /* filter_timeout */
1241 FALSE, /* body_only */
1242 FALSE, /* delivery_date_add */
1243 FALSE, /* envelope_to_add */
1244 FALSE, /* headers_only */
1245 FALSE, /* rcpt_include_affixes */
1246 FALSE, /* return_path_add */
1247 FALSE, /* return_output */
1248 FALSE, /* return_fail_output */
1249 FALSE, /* log_output */
1250 FALSE, /* log_fail_output */
1251 FALSE, /* log_defer_output */
1252 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1253 1 nor 0 so can detect unset */
1254 };
1255
1256 int transport_count;
1257 int transport_newlines;
1258 uschar **transport_filter_argv = NULL;
1259 int transport_filter_timeout;
1260 BOOL transport_filter_timed_out = FALSE;
1261 int transport_write_timeout= 0;
1262
1263 tree_node *tree_dns_fails = NULL;
1264 tree_node *tree_duplicates = NULL;
1265 tree_node *tree_nonrecipients = NULL;
1266 tree_node *tree_unusable = NULL;
1267
1268 BOOL trusted_caller = FALSE;
1269 BOOL trusted_config = TRUE;
1270 gid_t *trusted_groups = NULL;
1271 uid_t *trusted_users = NULL;
1272 uschar *timezone_string = US TIMEZONE_DEFAULT;
1273
1274 uschar *unknown_login = NULL;
1275 uschar *unknown_username = NULL;
1276 uschar *untrusted_set_sender = NULL;
1277
1278 /* A regex for matching a "From_" line in an incoming message, in the form
1279
1280 From ph10 Fri Jan 5 12:35 GMT 1996
1281
1282 which the "mail" commands send to the MTA (undocumented, of course), or in
1283 the form
1284
1285 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1286
1287 which is apparently used by some UUCPs, despite it not being in RFC 976.
1288 Because of variations in time formats, just match up to the minutes. That
1289 should be sufficient. Examples have been seen of time fields like 12:1:03,
1290 so just require one digit for hours and minutes. The weekday is also absent
1291 in some forms. */
1292
1293 uschar *uucp_from_pattern = US
1294 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1295 "(?:" /* Non-extracting bracket */
1296 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1297 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1298 ")" /* End alternation */
1299 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1300
1301 uschar *uucp_from_sender = US"$1";
1302
1303 uschar *warn_message_file = NULL;
1304 uschar *warnmsg_delay = NULL;
1305 uschar *warnmsg_recipients = NULL;
1306 BOOL write_rejectlog = TRUE;
1307
1308 uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1309 uschar *version_date = US"?";
1310 uschar *version_cnumber = US"????";
1311 uschar *version_string = US"?";
1312
1313 int warning_count = 0;
1314
1315 /* End of globals.c */
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