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Fix eximon build (tls_sni)
[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 BOOL tls_offered = FALSE;
116 uschar *tls_privatekey = NULL;
117 BOOL tls_remember_esmtp = FALSE;
118 uschar *tls_require_ciphers = NULL;
119 #ifndef USE_GNUTLS
120 uschar *tls_sni = NULL;
121 #endif
122 uschar *tls_try_verify_hosts = NULL;
123 uschar *tls_verify_certificates= NULL;
124 uschar *tls_verify_hosts = NULL;
125 #endif
126
127
128 /* Input-reading functions for messages, so we can use special ones for
129 incoming TCP/IP. The defaults use stdin. We never need these for any
130 stand-alone tests. */
131
132 #ifndef STAND_ALONE
133 int (*receive_getc)(void) = stdin_getc;
134 int (*receive_ungetc)(int) = stdin_ungetc;
135 int (*receive_feof)(void) = stdin_feof;
136 int (*receive_ferror)(void) = stdin_ferror;
137 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
138 #endif
139
140
141 /* List of per-address expansion variables for clearing and saving/restoring
142 when verifying one address while routing/verifying another. We have to have
143 the size explicit, because it is referenced from more than one module. */
144
145 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
146 &deliver_address_data,
147 &deliver_domain,
148 &deliver_domain_data,
149 &deliver_domain_orig,
150 &deliver_domain_parent,
151 &deliver_localpart,
152 &deliver_localpart_data,
153 &deliver_localpart_orig,
154 &deliver_localpart_parent,
155 &deliver_localpart_prefix,
156 &deliver_localpart_suffix,
157 (uschar **)(&deliver_recipients),
158 &deliver_host,
159 &deliver_home,
160 &address_file,
161 &address_pipe,
162 &self_hostname,
163 NULL };
164
165 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
166
167 /* General global variables */
168
169 header_line *acl_added_headers = NULL;
170 tree_node *acl_anchor = NULL;
171
172 uschar *acl_not_smtp = NULL;
173 #ifdef WITH_CONTENT_SCAN
174 uschar *acl_not_smtp_mime = NULL;
175 #endif
176 uschar *acl_not_smtp_start = NULL;
177
178 uschar *acl_smtp_auth = NULL;
179 uschar *acl_smtp_connect = NULL;
180 uschar *acl_smtp_data = NULL;
181 #ifndef DISABLE_DKIM
182 uschar *acl_smtp_dkim = NULL;
183 #endif
184 uschar *acl_smtp_etrn = NULL;
185 uschar *acl_smtp_expn = NULL;
186 uschar *acl_smtp_helo = NULL;
187 uschar *acl_smtp_mail = NULL;
188 uschar *acl_smtp_mailauth = NULL;
189 #ifdef WITH_CONTENT_SCAN
190 uschar *acl_smtp_mime = NULL;
191 #endif
192 uschar *acl_smtp_notquit = NULL;
193 uschar *acl_smtp_predata = NULL;
194 uschar *acl_smtp_quit = NULL;
195 uschar *acl_smtp_rcpt = NULL;
196 uschar *acl_smtp_starttls = NULL;
197 uschar *acl_smtp_vrfy = NULL;
198
199 BOOL acl_temp_details = FALSE;
200 tree_node *acl_var_c = NULL;
201 tree_node *acl_var_m = NULL;
202 uschar *acl_verify_message = NULL;
203 string_item *acl_warn_logged = NULL;
204
205 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
206 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
207
208 uschar *acl_wherenames[] = { US"RCPT",
209 US"MAIL",
210 US"PREDATA",
211 US"MIME",
212 US"DKIM",
213 US"DATA",
214 US"non-SMTP",
215 US"AUTH",
216 US"connection",
217 US"ETRN",
218 US"EXPN",
219 US"EHLO or HELO",
220 US"MAILAUTH",
221 US"non-SMTP-start",
222 US"NOTQUIT",
223 US"QUIT",
224 US"STARTTLS",
225 US"VRFY"
226 };
227
228 uschar *acl_wherecodes[] = { US"550", /* RCPT */
229 US"550", /* MAIL */
230 US"550", /* PREDATA */
231 US"550", /* MIME */
232 US"550", /* DKIM */
233 US"550", /* DATA */
234 US"0", /* not SMTP; not relevant */
235 US"503", /* AUTH */
236 US"550", /* connect */
237 US"458", /* ETRN */
238 US"550", /* EXPN */
239 US"550", /* HELO/EHLO */
240 US"0", /* MAILAUTH; not relevant */
241 US"0", /* not SMTP; not relevant */
242 US"0", /* NOTQUIT; not relevant */
243 US"0", /* QUIT; not relevant */
244 US"550", /* STARTTLS */
245 US"252" /* VRFY */
246 };
247
248 BOOL active_local_from_check = FALSE;
249 BOOL active_local_sender_retain = FALSE;
250 BOOL accept_8bitmime = FALSE;
251 address_item *addr_duplicate = NULL;
252
253 address_item address_defaults = {
254 NULL, /* next */
255 NULL, /* parent */
256 NULL, /* first */
257 NULL, /* dupof */
258 NULL, /* start_router */
259 NULL, /* router */
260 NULL, /* transport */
261 NULL, /* host_list */
262 NULL, /* host_used */
263 NULL, /* fallback_hosts */
264 NULL, /* reply */
265 NULL, /* retries */
266 NULL, /* address */
267 NULL, /* unique */
268 NULL, /* cc_local_part */
269 NULL, /* lc_local_part */
270 NULL, /* local_part */
271 NULL, /* prefix */
272 NULL, /* suffix */
273 NULL, /* domain */
274 NULL, /* address_retry_key */
275 NULL, /* domain_retry_key */
276 NULL, /* current_dir */
277 NULL, /* home_dir */
278 NULL, /* message */
279 NULL, /* user_message */
280 NULL, /* onetime_parent */
281 NULL, /* pipe_expandn */
282 NULL, /* return_filename */
283 NULL, /* self_hostname */
284 NULL, /* shadow_message */
285 #ifdef SUPPORT_TLS
286 NULL, /* cipher */
287 NULL, /* peerdn */
288 #endif
289 (uid_t)(-1), /* uid */
290 (gid_t)(-1), /* gid */
291 0, /* flags */
292 { 0 }, /* domain_cache - any larger array should be zeroed */
293 { 0 }, /* localpart_cache - ditto */
294 -1, /* mode */
295 0, /* more_errno */
296 ERRNO_UNKNOWNERROR, /* basic_errno */
297 0, /* child_count */
298 -1, /* return_file */
299 SPECIAL_NONE, /* special_action */
300 DEFER, /* transport_return */
301 { /* fields that are propagated to children */
302 NULL, /* address_data */
303 NULL, /* domain_data */
304 NULL, /* localpart_data */
305 NULL, /* errors_address */
306 NULL, /* extra_headers */
307 NULL, /* remove_headers */
308 #ifdef EXPERIMENTAL_SRS
309 NULL, /* srs_sender */
310 #endif
311 }
312 };
313
314 uschar *address_file = NULL;
315 uschar *address_pipe = NULL;
316 BOOL address_test_mode = FALSE;
317 tree_node *addresslist_anchor = NULL;
318 int addresslist_count = 0;
319 gid_t *admin_groups = NULL;
320 BOOL admin_user = FALSE;
321 BOOL allow_auth_unadvertised= FALSE;
322 BOOL allow_domain_literals = FALSE;
323 BOOL allow_mx_to_ip = FALSE;
324 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
325 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
326 BOOL allow_utf8_domains = FALSE;
327 uschar *authenticated_id = NULL;
328 uschar *authenticated_sender = NULL;
329 BOOL authentication_failed = FALSE;
330 auth_instance *auths = NULL;
331 uschar *auth_advertise_hosts = US"*";
332 auth_instance auth_defaults = {
333 NULL, /* chain pointer */
334 NULL, /* name */
335 NULL, /* info */
336 NULL, /* private options block pointer */
337 NULL, /* driver_name */
338 NULL, /* advertise_condition */
339 NULL, /* client_condition */
340 NULL, /* public_name */
341 NULL, /* set_id */
342 NULL, /* server_mail_auth_condition */
343 NULL, /* server_debug_string */
344 NULL, /* server_condition */
345 FALSE, /* client */
346 FALSE, /* server */
347 FALSE /* advertised */
348 };
349
350 uschar *auth_defer_msg = US"reason not recorded";
351 uschar *auth_defer_user_msg = US"";
352 uschar *auth_vars[AUTH_VARS];
353 int auto_thaw = 0;
354 #ifdef WITH_CONTENT_SCAN
355 BOOL av_failed = FALSE;
356 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
357 #endif
358
359 BOOL background_daemon = TRUE;
360
361 #if BASE_62 == 62
362 uschar *base62_chars=
363 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
364 #else
365 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
366 #endif
367
368 uschar *bi_command = NULL;
369 uschar *big_buffer = NULL;
370 int big_buffer_size = BIG_BUFFER_SIZE;
371 #ifdef EXPERIMENTAL_BRIGHTMAIL
372 uschar *bmi_alt_location = NULL;
373 uschar *bmi_base64_tracker_verdict = NULL;
374 uschar *bmi_base64_verdict = NULL;
375 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
376 int bmi_deliver = 1;
377 int bmi_run = 0;
378 uschar *bmi_verdicts = NULL;
379 #endif
380 int body_linecount = 0;
381 int body_zerocount = 0;
382 uschar *bounce_message_file = NULL;
383 uschar *bounce_message_text = NULL;
384 uschar *bounce_recipient = NULL;
385 BOOL bounce_return_body = TRUE;
386 BOOL bounce_return_message = TRUE;
387 int bounce_return_size_limit = 100*1024;
388 uschar *bounce_sender_authentication = NULL;
389 int bsmtp_transaction_linecount = 0;
390
391 int callout_cache_domain_positive_expire = 7*24*60*60;
392 int callout_cache_domain_negative_expire = 3*60*60;
393 int callout_cache_positive_expire = 24*60*60;
394 int callout_cache_negative_expire = 2*60*60;
395 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
396 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
397 int check_log_inodes = 0;
398 int check_log_space = 0;
399 BOOL check_rfc2047_length = TRUE;
400 int check_spool_inodes = 0;
401 int check_spool_space = 0;
402 int clmacro_count = 0;
403 uschar *clmacros[MAX_CLMACROS];
404 BOOL config_changed = FALSE;
405 FILE *config_file = NULL;
406 uschar *config_filename = NULL;
407 int config_lineno = 0;
408 #ifdef CONFIGURE_GROUP
409 gid_t config_gid = CONFIGURE_GROUP;
410 #endif
411 uschar *config_main_filelist = US CONFIGURE_FILE
412 "\0<-----------Space to patch configure_filename->";
413 uschar *config_main_filename = NULL;
414
415 #ifdef CONFIGURE_OWNER
416 uid_t config_uid = CONFIGURE_OWNER;
417 #endif
418
419 int connection_max_messages= -1;
420 uschar *continue_hostname = NULL;
421 uschar *continue_host_address = NULL;
422 BOOL continue_more = FALSE;
423 int continue_sequence = 1;
424 uschar *continue_transport = NULL;
425
426 uschar *csa_status = NULL;
427
428 BOOL daemon_listen = FALSE;
429 uschar *daemon_smtp_port = US"smtp";
430 int daemon_startup_retries = 9;
431 int daemon_startup_sleep = 30;
432
433 #ifdef EXPERIMENTAL_DCC
434 BOOL dcc_direct_add_header = FALSE;
435 uschar *dcc_header = NULL;
436 uschar *dcc_result = NULL;
437 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
438 uschar *dccifd_options = US"header";
439 #endif
440
441 BOOL debug_daemon = FALSE;
442 int debug_fd = -1;
443 FILE *debug_file = NULL;
444 bit_table debug_options[] = {
445 { US"acl", D_acl },
446 { US"all", D_all },
447 { US"auth", D_auth },
448 { US"deliver", D_deliver },
449 { US"dns", D_dns },
450 { US"dnsbl", D_dnsbl },
451 { US"exec", D_exec },
452 { US"expand", D_expand },
453 { US"filter", D_filter },
454 { US"hints_lookup", D_hints_lookup },
455 { US"host_lookup", D_host_lookup },
456 { US"ident", D_ident },
457 { US"interface", D_interface },
458 { US"lists", D_lists },
459 { US"load", D_load },
460 { US"local_scan", D_local_scan },
461 { US"lookup", D_lookup },
462 { US"memory", D_memory },
463 { US"pid", D_pid },
464 { US"process_info", D_process_info },
465 { US"queue_run", D_queue_run },
466 { US"receive", D_receive },
467 { US"resolver", D_resolver },
468 { US"retry", D_retry },
469 { US"rewrite", D_rewrite },
470 { US"route", D_route },
471 { US"timestamp", D_timestamp },
472 { US"tls", D_tls },
473 { US"transport", D_transport },
474 { US"uid", D_uid },
475 { US"verify", D_verify }
476 };
477 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
478 unsigned int debug_selector = 0;
479 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
480 uschar *delay_warning_condition=
481 US"${if or {"
482 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
483 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
484 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
485 "} {no}{yes}}";
486 BOOL delivery_date_remove = TRUE;
487 uschar *deliver_address_data = NULL;
488 int deliver_datafile = -1;
489 uschar *deliver_domain = NULL;
490 uschar *deliver_domain_data = NULL;
491 uschar *deliver_domain_orig = NULL;
492 uschar *deliver_domain_parent = NULL;
493 BOOL deliver_drop_privilege = FALSE;
494 BOOL deliver_firsttime = FALSE;
495 BOOL deliver_force = FALSE;
496 BOOL deliver_freeze = FALSE;
497 int deliver_frozen_at = 0;
498 uschar *deliver_home = NULL;
499 uschar *deliver_host = NULL;
500 uschar *deliver_host_address = NULL;
501 uschar *deliver_in_buffer = NULL;
502 ino_t deliver_inode = 0;
503 uschar *deliver_localpart = NULL;
504 uschar *deliver_localpart_data = NULL;
505 uschar *deliver_localpart_orig = NULL;
506 uschar *deliver_localpart_parent = NULL;
507 uschar *deliver_localpart_prefix = NULL;
508 uschar *deliver_localpart_suffix = NULL;
509 BOOL deliver_force_thaw = FALSE;
510 BOOL deliver_manual_thaw = FALSE;
511 uschar *deliver_out_buffer = NULL;
512 int deliver_queue_load_max = -1;
513 address_item *deliver_recipients = NULL;
514 uschar *deliver_selectstring = NULL;
515 BOOL deliver_selectstring_regex = FALSE;
516 uschar *deliver_selectstring_sender = NULL;
517 BOOL deliver_selectstring_sender_regex = FALSE;
518 #ifdef WITH_OLD_DEMIME
519 int demime_errorlevel = 0;
520 int demime_ok = 0;
521 uschar *demime_reason = NULL;
522 #endif
523 BOOL disable_callout_flush = FALSE;
524 BOOL disable_delay_flush = FALSE;
525 #ifdef ENABLE_DISABLE_FSYNC
526 BOOL disable_fsync = FALSE;
527 #endif
528 BOOL disable_ipv6 = FALSE;
529 BOOL disable_logging = FALSE;
530
531 #ifndef DISABLE_DKIM
532 uschar *dkim_cur_signer = NULL;
533 uschar *dkim_signers = NULL;
534 uschar *dkim_signing_domain = NULL;
535 uschar *dkim_signing_selector = NULL;
536 uschar *dkim_verify_signers = US"$dkim_signers";
537 BOOL dkim_collect_input = FALSE;
538 BOOL dkim_disable_verify = FALSE;
539 #endif
540
541 uschar *dns_again_means_nonexist = NULL;
542 int dns_csa_search_limit = 5;
543 BOOL dns_csa_use_reverse = TRUE;
544 uschar *dns_ipv4_lookup = NULL;
545 int dns_retrans = 0;
546 int dns_retry = 0;
547 int dns_use_edns0 = -1; /* <0 = not coerced */
548 uschar *dnslist_domain = NULL;
549 uschar *dnslist_matched = NULL;
550 uschar *dnslist_text = NULL;
551 uschar *dnslist_value = NULL;
552 tree_node *domainlist_anchor = NULL;
553 int domainlist_count = 0;
554 BOOL dont_deliver = FALSE;
555 BOOL dot_ends = TRUE;
556 BOOL drop_cr = FALSE; /* No longer used */
557 uschar *dsn_from = US DEFAULT_DSN_FROM;
558
559 BOOL enable_dollar_recipients = FALSE;
560 BOOL envelope_to_remove = TRUE;
561 int errno_quota = ERRNO_QUOTA;
562 uschar *errors_copy = NULL;
563 int error_handling = ERRORS_SENDER;
564 uschar *errors_reply_to = NULL;
565 int errors_sender_rc = EXIT_FAILURE;
566
567 gid_t exim_gid = EXIM_GID;
568 BOOL exim_gid_set = TRUE; /* This gid is always set */
569 uschar *exim_path = US BIN_DIRECTORY "/exim"
570 "\0<---------------Space to patch exim_path->";
571 uid_t exim_uid = EXIM_UID;
572 BOOL exim_uid_set = TRUE; /* This uid is always set */
573 int expand_forbid = 0;
574 int expand_nlength[EXPAND_MAXN+1];
575 int expand_nmax = -1;
576 uschar *expand_nstring[EXPAND_MAXN+1];
577 BOOL expand_string_forcedfail = FALSE;
578 uschar *expand_string_message;
579 BOOL extract_addresses_remove_arguments = TRUE;
580 uschar *extra_local_interfaces = NULL;
581
582 int fake_response = OK;
583 uschar *fake_response_text = US"Your message has been rejected but is "
584 "being kept for evaluation.\nIf it was a "
585 "legitimate message, it may still be "
586 "delivered to the target recipient(s).";
587 int filter_n[FILTER_VARIABLE_COUNT];
588 BOOL filter_running = FALSE;
589 int filter_sn[FILTER_VARIABLE_COUNT];
590 int filter_test = FTEST_NONE;
591 uschar *filter_test_sfile = NULL;
592 uschar *filter_test_ufile = NULL;
593 uschar *filter_thisaddress = NULL;
594 int finduser_retries = 0;
595 #ifdef WITH_OLD_DEMIME
596 uschar *found_extension = NULL;
597 #endif
598 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
599 uschar *freeze_tell = NULL;
600 uschar *freeze_tell_config = NULL;
601 uschar *fudged_queue_times = US"";
602
603 uschar *gecos_name = NULL;
604 uschar *gecos_pattern = NULL;
605 rewrite_rule *global_rewrite_rules = NULL;
606
607 uschar *headers_charset = US HEADERS_CHARSET;
608 int header_insert_maxlen = 64 * 1024;
609 header_line *header_last = NULL;
610 header_line *header_list = NULL;
611 int header_maxsize = HEADER_MAXSIZE;
612 int header_line_maxsize = 0;
613
614 header_name header_names[] = {
615 { US"bcc", 3, TRUE, htype_bcc },
616 { US"cc", 2, TRUE, htype_cc },
617 { US"date", 4, TRUE, htype_date },
618 { US"delivery-date", 13, FALSE, htype_delivery_date },
619 { US"envelope-to", 11, FALSE, htype_envelope_to },
620 { US"from", 4, TRUE, htype_from },
621 { US"message-id", 10, TRUE, htype_id },
622 { US"received", 8, FALSE, htype_received },
623 { US"reply-to", 8, FALSE, htype_reply_to },
624 { US"return-path", 11, FALSE, htype_return_path },
625 { US"sender", 6, TRUE, htype_sender },
626 { US"subject", 7, FALSE, htype_subject },
627 { US"to", 2, TRUE, htype_to }
628 };
629
630 int header_names_size = sizeof(header_names)/sizeof(header_name);
631
632 BOOL header_rewritten = FALSE;
633 uschar *helo_accept_junk_hosts = NULL;
634 uschar *helo_allow_chars = US"";
635 uschar *helo_lookup_domains = US"@ : @[]";
636 uschar *helo_try_verify_hosts = NULL;
637 BOOL helo_verified = FALSE;
638 BOOL helo_verify_failed = FALSE;
639 uschar *helo_verify_hosts = NULL;
640 const uschar *hex_digits = CUS"0123456789abcdef";
641 uschar *hold_domains = NULL;
642 BOOL host_checking = FALSE;
643 BOOL host_checking_callout = FALSE;
644 uschar *host_data = NULL;
645 BOOL host_find_failed_syntax= FALSE;
646 uschar *host_lookup = NULL;
647 BOOL host_lookup_deferred = FALSE;
648 BOOL host_lookup_failed = FALSE;
649 uschar *host_lookup_order = US"bydns:byaddr";
650 uschar *host_lookup_msg = US"";
651 int host_number = 0;
652 uschar *host_number_string = NULL;
653 uschar *host_reject_connection = NULL;
654 tree_node *hostlist_anchor = NULL;
655 int hostlist_count = 0;
656 uschar *hosts_treat_as_local = NULL;
657 uschar *hosts_connection_nolog = NULL;
658
659 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
660 BOOL ignore_fromline_local = FALSE;
661 uschar *ignore_fromline_hosts = NULL;
662 uschar *interface_address = NULL;
663 int interface_port = -1;
664 BOOL is_inetd = FALSE;
665 uschar *iterate_item = NULL;
666
667 int journal_fd = -1;
668
669 int keep_malformed = 4*24*60*60; /* 4 days */
670
671 uschar *eldap_dn = NULL;
672 int load_average = -2;
673 BOOL local_error_message = FALSE;
674 BOOL local_from_check = TRUE;
675 uschar *local_from_prefix = NULL;
676 uschar *local_from_suffix = NULL;
677
678 #if HAVE_IPV6
679 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
680 #else
681 uschar *local_interfaces = US"0.0.0.0";
682 #endif
683
684 uschar *local_scan_data = NULL;
685 int local_scan_timeout = 5*60;
686 BOOL local_sender_retain = FALSE;
687 gid_t local_user_gid = (gid_t)(-1);
688 uid_t local_user_uid = (uid_t)(-1);
689
690 tree_node *localpartlist_anchor= NULL;
691 int localpartlist_count = 0;
692 uschar *log_buffer = NULL;
693 unsigned int log_extra_selector = LX_default;
694 uschar *log_file_path = US LOG_FILE_PATH
695 "\0<--------------Space to patch log_file_path->";
696
697 /* Those log options with L_xxx identifiers have values less than 0x800000 and
698 are the ones that get put into log_write_selector. They can be used in calls to
699 log_write() to test for the bit. The options with LX_xxx identifiers have
700 values greater than 0x80000000 and are put into log_extra_selector (without the
701 top bit). They are never used in calls to log_write(), but are tested
702 independently. This separation became necessary when the number of log
703 selectors was getting close to filling a 32-bit word. */
704
705 /* Note that this list must be in alphabetical order. */
706
707 bit_table log_options[] = {
708 { US"acl_warn_skipped", LX_acl_warn_skipped },
709 { US"address_rewrite", L_address_rewrite },
710 { US"all", L_all },
711 { US"all_parents", L_all_parents },
712 { US"arguments", LX_arguments },
713 { US"connection_reject", L_connection_reject },
714 { US"delay_delivery", L_delay_delivery },
715 { US"deliver_time", LX_deliver_time },
716 { US"delivery_size", LX_delivery_size },
717 { US"dnslist_defer", L_dnslist_defer },
718 { US"etrn", L_etrn },
719 { US"host_lookup_failed", L_host_lookup_failed },
720 { US"ident_timeout", LX_ident_timeout },
721 { US"incoming_interface", LX_incoming_interface },
722 { US"incoming_port", LX_incoming_port },
723 { US"lost_incoming_connection", L_lost_incoming_connection },
724 { US"outgoing_port", LX_outgoing_port },
725 { US"pid", LX_pid },
726 { US"queue_run", L_queue_run },
727 { US"queue_time", LX_queue_time },
728 { US"queue_time_overall", LX_queue_time_overall },
729 { US"received_recipients", LX_received_recipients },
730 { US"received_sender", LX_received_sender },
731 { US"rejected_header", LX_rejected_header },
732 { US"rejected_headers", LX_rejected_header },
733 { US"retry_defer", L_retry_defer },
734 { US"return_path_on_delivery", LX_return_path_on_delivery },
735 { US"sender_on_delivery", LX_sender_on_delivery },
736 { US"sender_verify_fail", LX_sender_verify_fail },
737 { US"size_reject", L_size_reject },
738 { US"skip_delivery", L_skip_delivery },
739 { US"smtp_confirmation", LX_smtp_confirmation },
740 { US"smtp_connection", L_smtp_connection },
741 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
742 { US"smtp_no_mail", LX_smtp_no_mail },
743 { US"smtp_protocol_error", L_smtp_protocol_error },
744 { US"smtp_syntax_error", L_smtp_syntax_error },
745 { US"subject", LX_subject },
746 { US"tls_certificate_verified", LX_tls_certificate_verified },
747 { US"tls_cipher", LX_tls_cipher },
748 { US"tls_peerdn", LX_tls_peerdn },
749 { US"tls_sni", LX_tls_sni },
750 { US"unknown_in_list", LX_unknown_in_list }
751 };
752
753 int log_options_count = sizeof(log_options)/sizeof(bit_table);
754 int log_reject_target = 0;
755 uschar *log_selector_string = NULL;
756 FILE *log_stderr = NULL;
757 BOOL log_testing_mode = FALSE;
758 BOOL log_timezone = FALSE;
759 unsigned int log_write_selector= L_default;
760 uschar *login_sender_address = NULL;
761 int lookup_open_max = 25;
762 uschar *lookup_value = NULL;
763
764 macro_item *macros = NULL;
765 uschar *mailstore_basename = NULL;
766 #ifdef WITH_CONTENT_SCAN
767 uschar *malware_name = NULL; /* Virus Name */
768 #endif
769 int max_received_linelength= 0;
770 int max_username_length = 0;
771 int message_age = 0;
772 uschar *message_body = NULL;
773 uschar *message_body_end = NULL;
774 BOOL message_body_newlines = FALSE;
775 int message_body_size = 0;
776 int message_body_visible = 500;
777 int message_ended = END_NOTSTARTED;
778 uschar *message_headers = NULL;
779 uschar *message_id;
780 uschar *message_id_domain = NULL;
781 uschar *message_id_text = NULL;
782 struct timeval message_id_tv = { 0, 0 };
783 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
784 uschar *message_id_external;
785 int message_linecount = 0;
786 BOOL message_logs = TRUE;
787 int message_size = 0;
788 uschar *message_size_limit = US"50M";
789 uschar message_subdir[2] = { 0, 0 };
790 uschar *message_reference = NULL;
791
792 /* MIME ACL expandables */
793 #ifdef WITH_CONTENT_SCAN
794 int mime_anomaly_level = 0;
795 const uschar *mime_anomaly_text = NULL;
796 uschar *mime_boundary = NULL;
797 uschar *mime_charset = NULL;
798 uschar *mime_content_description = NULL;
799 uschar *mime_content_disposition = NULL;
800 uschar *mime_content_id = NULL;
801 unsigned int mime_content_size = 0;
802 uschar *mime_content_transfer_encoding = NULL;
803 uschar *mime_content_type = NULL;
804 uschar *mime_decoded_filename = NULL;
805 uschar *mime_filename = NULL;
806 int mime_is_multipart = 0;
807 int mime_is_coverletter = 0;
808 int mime_is_rfc822 = 0;
809 int mime_part_count = -1;
810 #endif
811
812 BOOL mua_wrapper = FALSE;
813
814 uid_t *never_users = NULL;
815 #ifdef WITH_CONTENT_SCAN
816 BOOL no_mbox_unspool = FALSE;
817 #endif
818 BOOL no_multiline_responses = FALSE;
819
820 uid_t original_euid;
821 gid_t originator_gid;
822 uschar *originator_login = NULL;
823 uschar *originator_name = NULL;
824 uid_t originator_uid;
825 uschar *override_local_interfaces = NULL;
826 uschar *override_pid_file_path = NULL;
827
828 BOOL parse_allow_group = FALSE;
829 BOOL parse_found_group = FALSE;
830 uschar *percent_hack_domains = NULL;
831 uschar *pid_file_path = US PID_FILE_PATH
832 "\0<--------------Space to patch pid_file_path->";
833 BOOL pipelining_enable = TRUE;
834 uschar *pipelining_advertise_hosts = US"*";
835 BOOL preserve_message_logs = FALSE;
836 uschar *primary_hostname = NULL;
837 BOOL print_topbitchars = FALSE;
838 uschar process_info[PROCESS_INFO_SIZE];
839 int process_info_len = 0;
840 uschar *process_log_path = NULL;
841 BOOL prod_requires_admin = TRUE;
842 uschar *prvscheck_address = NULL;
843 uschar *prvscheck_keynum = NULL;
844 uschar *prvscheck_result = NULL;
845
846
847 uschar *qualify_domain_recipient = NULL;
848 uschar *qualify_domain_sender = NULL;
849 BOOL queue_2stage = FALSE;
850 uschar *queue_domains = NULL;
851 int queue_interval = -1;
852 BOOL queue_list_requires_admin = TRUE;
853 BOOL queue_only = FALSE;
854 uschar *queue_only_file = NULL;
855 int queue_only_load = -1;
856 BOOL queue_only_load_latch = TRUE;
857 BOOL queue_only_override = TRUE;
858 BOOL queue_only_policy = FALSE;
859 BOOL queue_run_first_delivery = FALSE;
860 BOOL queue_run_force = FALSE;
861 BOOL queue_run_in_order = FALSE;
862 BOOL queue_run_local = FALSE;
863 int queue_run_max = 5;
864 pid_t queue_run_pid = (pid_t)0;
865 int queue_run_pipe = -1;
866 BOOL queue_running = FALSE;
867 BOOL queue_smtp = FALSE;
868 uschar *queue_smtp_domains = NULL;
869
870 unsigned int random_seed = 0;
871 tree_node *ratelimiters_cmd = NULL;
872 tree_node *ratelimiters_conn = NULL;
873 tree_node *ratelimiters_mail = NULL;
874 uschar *raw_active_hostname = NULL;
875 uschar *raw_sender = NULL;
876 uschar **raw_recipients = NULL;
877 int raw_recipients_count = 0;
878
879 int rcpt_count = 0;
880 int rcpt_fail_count = 0;
881 int rcpt_defer_count = 0;
882 gid_t real_gid;
883 uid_t real_uid;
884 BOOL really_exim = TRUE;
885 BOOL receive_call_bombout = FALSE;
886 int receive_linecount = 0;
887 int receive_messagecount = 0;
888 int receive_timeout = 0;
889 int received_count = 0;
890 uschar *received_for = NULL;
891
892 /* This is the default text for Received headers generated by Exim. The
893 date will be automatically added on the end. */
894
895 uschar *received_header_text = US
896 "Received: "
897 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
898 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
899 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
900 "by $primary_hostname "
901 "${if def:received_protocol {with $received_protocol}} "
902 #ifdef SUPPORT_TLS
903 "${if def:tls_cipher {($tls_cipher)\n\t}}"
904 #endif
905 "(Exim $version_number)\n\t"
906 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
907 "id $message_exim_id"
908 "${if def:received_for {\n\tfor $received_for}}"
909 "\0<---------------Space to patch received_header_text->";
910
911 int received_headers_max = 30;
912 uschar *received_protocol = NULL;
913 int received_time = 0;
914 uschar *recipient_data = NULL;
915 uschar *recipient_unqualified_hosts = NULL;
916 uschar *recipient_verify_failure = NULL;
917 int recipients_count = 0;
918 BOOL recipients_discarded = FALSE;
919 recipient_item *recipients_list = NULL;
920 int recipients_list_max = 0;
921 int recipients_max = 0;
922 BOOL recipients_max_reject = FALSE;
923 const pcre *regex_AUTH = NULL;
924 const pcre *regex_check_dns_names = NULL;
925 const pcre *regex_From = NULL;
926 const pcre *regex_IGNOREQUOTA = NULL;
927 const pcre *regex_PIPELINING = NULL;
928 const pcre *regex_SIZE = NULL;
929 const pcre *regex_smtp_code = NULL;
930 const pcre *regex_ismsgid = NULL;
931 #ifdef WHITELIST_D_MACROS
932 const pcre *regex_whitelisted_macro = NULL;
933 #endif
934 #ifdef WITH_CONTENT_SCAN
935 uschar *regex_match_string = NULL;
936 #endif
937 int remote_delivery_count = 0;
938 int remote_max_parallel = 2;
939 uschar *remote_sort_domains = NULL;
940 int retry_data_expire = 7*24*60*60;
941 int retry_interval_max = 24*60*60;
942 int retry_maximum_timeout = 0; /* set from retry config */
943 retry_config *retries = NULL;
944 uschar *return_path = NULL;
945 BOOL return_path_remove = TRUE;
946 int rewrite_existflags = 0;
947 uschar *rfc1413_hosts = US"*";
948 int rfc1413_query_timeout = 5;
949 /* BOOL rfc821_domains = FALSE; <<< on the way out */
950 uid_t root_gid = ROOT_GID;
951 uid_t root_uid = ROOT_UID;
952
953 router_instance *routers = NULL;
954 router_instance router_defaults = {
955 NULL, /* chain pointer */
956 NULL, /* name */
957 NULL, /* info */
958 NULL, /* private options block pointer */
959 NULL, /* driver name */
960
961 NULL, /* address_data */
962 #ifdef EXPERIMENTAL_BRIGHTMAIL
963 NULL, /* bmi_rule */
964 #endif
965 NULL, /* cannot_route_message */
966 NULL, /* condition */
967 NULL, /* current_directory */
968 NULL, /* debug_string */
969 NULL, /* domains */
970 NULL, /* errors_to */
971 NULL, /* expand_gid */
972 NULL, /* expand_uid */
973 NULL, /* expand_more */
974 NULL, /* expand_unseen */
975 NULL, /* extra_headers */
976 NULL, /* fallback_hosts */
977 NULL, /* home_directory */
978 NULL, /* ignore_target_hosts */
979 NULL, /* local_parts */
980 NULL, /* pass_router_name */
981 NULL, /* prefix */
982 NULL, /* redirect_router_name */
983 NULL, /* remove_headers */
984 NULL, /* require_files */
985 NULL, /* router_home_directory */
986 US"freeze", /* self */
987 NULL, /* senders */
988 NULL, /* suffix */
989 NULL, /* translate_ip_address */
990 NULL, /* transport_name */
991
992 TRUE, /* address_test */
993 #ifdef EXPERIMENTAL_BRIGHTMAIL
994 FALSE, /* bmi_deliver_alternate */
995 FALSE, /* bmi_deliver_default */
996 FALSE, /* bmi_dont_deliver */
997 #endif
998 TRUE, /* expn */
999 FALSE, /* caseful_local_part */
1000 FALSE, /* check_local_user */
1001 FALSE, /* disable_logging */
1002 FALSE, /* fail_verify_recipient */
1003 FALSE, /* fail_verify_sender */
1004 FALSE, /* gid_set */
1005 FALSE, /* initgroups */
1006 TRUE_UNSET, /* log_as_local */
1007 TRUE, /* more */
1008 FALSE, /* pass_on_timeout */
1009 FALSE, /* prefix_optional */
1010 TRUE, /* repeat_use */
1011 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1012 FALSE, /* same_domain_copy_routing */
1013 FALSE, /* self_rewrite */
1014 FALSE, /* suffix_optional */
1015 FALSE, /* verify_only */
1016 TRUE, /* verify_recipient */
1017 TRUE, /* verify_sender */
1018 FALSE, /* uid_set */
1019 FALSE, /* unseen */
1020
1021 self_freeze, /* self_code */
1022 (uid_t)(-1), /* uid */
1023 (gid_t)(-1), /* gid */
1024
1025 NULL, /* fallback_hostlist */
1026 NULL, /* transport instance */
1027 NULL, /* pass_router */
1028 NULL /* redirect_router */
1029 };
1030
1031 ip_address_item *running_interfaces = NULL;
1032 BOOL running_in_test_harness = FALSE;
1033
1034 /* This is a weird one. The following string gets patched in the binary by the
1035 script that sets up a copy of Exim for running in the test harness. It seems
1036 that compilers are now clever, and share constant strings if they can.
1037 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1038 make use of the end of this string in order to save space. So the patching then
1039 wrecks this. We defeat this optimization by adding some additional characters
1040 onto the end of the string. */
1041
1042 uschar *running_status = US">>>running<<<" "\0EXTRA";
1043
1044 int runrc = 0;
1045
1046 uschar *search_error_message = NULL;
1047 BOOL search_find_defer = FALSE;
1048 uschar *self_hostname = NULL;
1049 uschar *sender_address = NULL;
1050 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1051 uschar *sender_address_data = NULL;
1052 BOOL sender_address_forced = FALSE;
1053 uschar *sender_address_unrewritten = NULL;
1054 uschar *sender_data = NULL;
1055 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1056 uschar *sender_fullhost = NULL;
1057 uschar *sender_helo_name = NULL;
1058 uschar **sender_host_aliases = &no_aliases;
1059 uschar *sender_host_address = NULL;
1060 uschar *sender_host_authenticated = NULL;
1061 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1062 uschar *sender_host_name = NULL;
1063 int sender_host_port = 0;
1064 BOOL sender_host_notsocket = FALSE;
1065 BOOL sender_host_unknown = FALSE;
1066 uschar *sender_ident = NULL;
1067 BOOL sender_local = FALSE;
1068 BOOL sender_name_forced = FALSE;
1069 uschar *sender_rate = NULL;
1070 uschar *sender_rate_limit = NULL;
1071 uschar *sender_rate_period = NULL;
1072 uschar *sender_rcvhost = NULL;
1073 BOOL sender_set_untrusted = FALSE;
1074 uschar *sender_unqualified_hosts = NULL;
1075 uschar *sender_verify_failure = NULL;
1076 address_item *sender_verified_list = NULL;
1077 address_item *sender_verified_failed = NULL;
1078 int sender_verified_rc = -1;
1079 BOOL sender_verified_responded = FALSE;
1080 uschar *sending_ip_address = NULL;
1081 int sending_port = -1;
1082 SIGNAL_BOOL sigalrm_seen = FALSE;
1083 uschar **sighup_argv = NULL;
1084 int smtp_accept_count = 0;
1085 BOOL smtp_accept_keepalive = TRUE;
1086 int smtp_accept_max = 20;
1087 int smtp_accept_max_nonmail= 10;
1088 uschar *smtp_accept_max_nonmail_hosts = US"*";
1089 int smtp_accept_max_per_connection = 1000;
1090 uschar *smtp_accept_max_per_host = NULL;
1091 int smtp_accept_queue = 0;
1092 int smtp_accept_queue_per_connection = 10;
1093 int smtp_accept_reserve = 0;
1094 uschar *smtp_active_hostname = NULL;
1095 BOOL smtp_authenticated = FALSE;
1096 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1097 "Exim $version_number $tod_full"
1098 "\0<---------------Space to patch smtp_banner->";
1099 BOOL smtp_batched_input = FALSE;
1100 BOOL smtp_check_spool_space = TRUE;
1101 int smtp_ch_index = 0;
1102 uschar *smtp_cmd_argument = NULL;
1103 uschar *smtp_cmd_buffer = NULL;
1104 time_t smtp_connection_start = 0;
1105 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1106 int smtp_connect_backlog = 20;
1107 double smtp_delay_mail = 0.0;
1108 double smtp_delay_rcpt = 0.0;
1109 BOOL smtp_enforce_sync = TRUE;
1110 FILE *smtp_in = NULL;
1111 BOOL smtp_input = FALSE;
1112 int smtp_load_reserve = -1;
1113 int smtp_mailcmd_count = 0;
1114 FILE *smtp_out = NULL;
1115 uschar *smtp_etrn_command = NULL;
1116 BOOL smtp_etrn_serialize = TRUE;
1117 int smtp_max_synprot_errors= 3;
1118 int smtp_max_unknown_commands = 3;
1119 uschar *smtp_notquit_reason = NULL;
1120 uschar *smtp_ratelimit_hosts = NULL;
1121 uschar *smtp_ratelimit_mail = NULL;
1122 uschar *smtp_ratelimit_rcpt = NULL;
1123 uschar *smtp_read_error = US"";
1124 int smtp_receive_timeout = 5*60;
1125 uschar *smtp_reserve_hosts = NULL;
1126 BOOL smtp_return_error_details = FALSE;
1127 int smtp_rlm_base = 0;
1128 double smtp_rlm_factor = 0.0;
1129 int smtp_rlm_limit = 0;
1130 int smtp_rlm_threshold = INT_MAX;
1131 int smtp_rlr_base = 0;
1132 double smtp_rlr_factor = 0.0;
1133 int smtp_rlr_limit = 0;
1134 int smtp_rlr_threshold = INT_MAX;
1135 BOOL smtp_use_pipelining = FALSE;
1136 BOOL smtp_use_size = FALSE;
1137
1138 #ifdef WITH_CONTENT_SCAN
1139 uschar *spamd_address = US"127.0.0.1 783";
1140 uschar *spam_bar = NULL;
1141 uschar *spam_report = NULL;
1142 uschar *spam_score = NULL;
1143 uschar *spam_score_int = NULL;
1144 #endif
1145 #ifdef EXPERIMENTAL_SPF
1146 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1147 uschar *spf_header_comment = NULL;
1148 uschar *spf_received = NULL;
1149 uschar *spf_result = NULL;
1150 uschar *spf_smtp_comment = NULL;
1151 #endif
1152
1153 BOOL split_spool_directory = FALSE;
1154 uschar *spool_directory = US SPOOL_DIRECTORY
1155 "\0<--------------Space to patch spool_directory->";
1156 #ifdef EXPERIMENTAL_SRS
1157 uschar *srs_config = NULL;
1158 uschar *srs_db_address = NULL;
1159 uschar *srs_db_key = NULL;
1160 int srs_hashlength = 6;
1161 int srs_hashmin = -1;
1162 int srs_maxage = 31;
1163 uschar *srs_orig_recipient = NULL;
1164 uschar *srs_orig_sender = NULL;
1165 uschar *srs_recipient = NULL;
1166 uschar *srs_secrets = NULL;
1167 uschar *srs_status = NULL;
1168 BOOL srs_usehash = TRUE;
1169 BOOL srs_usetimestamp = TRUE;
1170 #endif
1171 BOOL strict_acl_vars = FALSE;
1172 int string_datestamp_offset= -1;
1173 int string_datestamp_length= 0;
1174 int string_datestamp_type = -1;
1175 BOOL strip_excess_angle_brackets = FALSE;
1176 BOOL strip_trailing_dot = FALSE;
1177 uschar *submission_domain = NULL;
1178 BOOL submission_mode = FALSE;
1179 uschar *submission_name = NULL;
1180 BOOL suppress_local_fixups = FALSE;
1181 BOOL synchronous_delivery = FALSE;
1182 BOOL syslog_duplication = TRUE;
1183 int syslog_facility = LOG_MAIL;
1184 uschar *syslog_processname = US"exim";
1185 BOOL syslog_timestamp = TRUE;
1186 uschar *system_filter = NULL;
1187
1188 uschar *system_filter_directory_transport = NULL;
1189 uschar *system_filter_file_transport = NULL;
1190 uschar *system_filter_pipe_transport = NULL;
1191 uschar *system_filter_reply_transport = NULL;
1192
1193 gid_t system_filter_gid = 0;
1194 BOOL system_filter_gid_set = FALSE;
1195 uid_t system_filter_uid = (uid_t)-1;
1196 BOOL system_filter_uid_set = FALSE;
1197 BOOL system_filtering = FALSE;
1198
1199 BOOL tcp_nodelay = TRUE;
1200 #ifdef USE_TCP_WRAPPERS
1201 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1202 #endif
1203 int test_harness_load_avg = 0;
1204 int thismessage_size_limit = 0;
1205 int timeout_frozen_after = 0;
1206 BOOL timestamps_utc = FALSE;
1207
1208 transport_instance *transports = NULL;
1209
1210 transport_instance transport_defaults = {
1211 NULL, /* chain pointer */
1212 NULL, /* name */
1213 NULL, /* info */
1214 NULL, /* private options block pointer */
1215 NULL, /* driver name */
1216 NULL, /* setup entry point */
1217 1, /* batch_max */
1218 NULL, /* batch_id */
1219 NULL, /* home_dir */
1220 NULL, /* current_dir */
1221 TRUE, /* multi-domain */
1222 FALSE, /* overrides_hosts */
1223 100, /* max_addresses */
1224 500, /* connection_max_messages */
1225 FALSE, /* deliver_as_creator */
1226 FALSE, /* disable_logging */
1227 FALSE, /* initgroups */
1228 FALSE, /* uid_set */
1229 FALSE, /* gid_set */
1230 (uid_t)(-1), /* uid */
1231 (gid_t)(-1), /* gid */
1232 NULL, /* expand_uid */
1233 NULL, /* expand_gid */
1234 NULL, /* warn_message */
1235 NULL, /* shadow */
1236 NULL, /* shadow_condition */
1237 NULL, /* filter_command */
1238 NULL, /* add_headers */
1239 NULL, /* remove_headers */
1240 NULL, /* return_path */
1241 NULL, /* debug_string */
1242 NULL, /* message_size_limit */
1243 NULL, /* headers_rewrite */
1244 NULL, /* rewrite_rules */
1245 0, /* rewrite_existflags */
1246 300, /* filter_timeout */
1247 FALSE, /* body_only */
1248 FALSE, /* delivery_date_add */
1249 FALSE, /* envelope_to_add */
1250 FALSE, /* headers_only */
1251 FALSE, /* rcpt_include_affixes */
1252 FALSE, /* return_path_add */
1253 FALSE, /* return_output */
1254 FALSE, /* return_fail_output */
1255 FALSE, /* log_output */
1256 FALSE, /* log_fail_output */
1257 FALSE, /* log_defer_output */
1258 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1259 1 nor 0 so can detect unset */
1260 };
1261
1262 int transport_count;
1263 int transport_newlines;
1264 uschar **transport_filter_argv = NULL;
1265 int transport_filter_timeout;
1266 BOOL transport_filter_timed_out = FALSE;
1267 int transport_write_timeout= 0;
1268
1269 tree_node *tree_dns_fails = NULL;
1270 tree_node *tree_duplicates = NULL;
1271 tree_node *tree_nonrecipients = NULL;
1272 tree_node *tree_unusable = NULL;
1273
1274 BOOL trusted_caller = FALSE;
1275 BOOL trusted_config = TRUE;
1276 gid_t *trusted_groups = NULL;
1277 uid_t *trusted_users = NULL;
1278 uschar *timezone_string = US TIMEZONE_DEFAULT;
1279
1280 uschar *unknown_login = NULL;
1281 uschar *unknown_username = NULL;
1282 uschar *untrusted_set_sender = NULL;
1283
1284 /* A regex for matching a "From_" line in an incoming message, in the form
1285
1286 From ph10 Fri Jan 5 12:35 GMT 1996
1287
1288 which the "mail" commands send to the MTA (undocumented, of course), or in
1289 the form
1290
1291 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1292
1293 which is apparently used by some UUCPs, despite it not being in RFC 976.
1294 Because of variations in time formats, just match up to the minutes. That
1295 should be sufficient. Examples have been seen of time fields like 12:1:03,
1296 so just require one digit for hours and minutes. The weekday is also absent
1297 in some forms. */
1298
1299 uschar *uucp_from_pattern = US
1300 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1301 "(?:" /* Non-extracting bracket */
1302 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1303 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1304 ")" /* End alternation */
1305 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1306
1307 uschar *uucp_from_sender = US"$1";
1308
1309 uschar *warn_message_file = NULL;
1310 uschar *warnmsg_delay = NULL;
1311 uschar *warnmsg_recipients = NULL;
1312 BOOL write_rejectlog = TRUE;
1313
1314 uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1315 uschar *version_date = US"?";
1316 uschar *version_cnumber = US"????";
1317 uschar *version_string = US"?";
1318
1319 int warning_count = 0;
1320
1321 /* End of globals.c */
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