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exiwhat: Ensure the SIGUSR1 signal handler is safe.
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.88 2010/06/12 15:21:26 jetmore Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2009 */
8 /* See the file NOTICE for conditions of use and distribution. */
9
10 /* All the global variables are defined together in this one module, so
11 that they are easy to find. */
12
13 #include "exim.h"
14
15
16 /* Generic options for auths, all of which live inside auth_instance
17 data blocks and hence have the opt_public flag set. */
18
19 optionlist optionlist_auths[] = {
20 { "client_condition", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, client_condition)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36 };
37
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef LOOKUP_SQLITE
87 int sqlite_lock_timeout = 5;
88 #endif
89
90 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
91 BOOL move_frozen_messages = FALSE;
92 #endif
93
94 /* These variables are outside the #ifdef because it keeps the code less
95 cluttered in several places (e.g. during logging) if we can always refer to
96 them. Also, the tls_ variables are now always visible. */
97
98 BOOL tls_active = -1;
99 BOOL tls_certificate_verified = FALSE;
100 uschar *tls_cipher = NULL;
101 BOOL tls_on_connect = FALSE;
102 uschar *tls_on_connect_ports = NULL;
103 uschar *tls_peerdn = NULL;
104
105 #ifdef SUPPORT_TLS
106 BOOL gnutls_compat_mode = FALSE;
107 uschar *gnutls_require_mac = NULL;
108 uschar *gnutls_require_kx = NULL;
109 uschar *gnutls_require_proto = NULL;
110 uschar *openssl_options = NULL;
111 const pcre *regex_STARTTLS = NULL;
112 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
113 uschar *tls_certificate = NULL;
114 uschar *tls_crl = NULL;
115 uschar *tls_dhparam = NULL;
116 BOOL tls_offered = FALSE;
117 uschar *tls_privatekey = NULL;
118 BOOL tls_remember_esmtp = FALSE;
119 uschar *tls_require_ciphers = NULL;
120 uschar *tls_try_verify_hosts = NULL;
121 uschar *tls_verify_certificates= NULL;
122 uschar *tls_verify_hosts = NULL;
123 #endif
124
125
126 /* Input-reading functions for messages, so we can use special ones for
127 incoming TCP/IP. The defaults use stdin. We never need these for any
128 stand-alone tests. */
129
130 #ifndef STAND_ALONE
131 int (*receive_getc)(void) = stdin_getc;
132 int (*receive_ungetc)(int) = stdin_ungetc;
133 int (*receive_feof)(void) = stdin_feof;
134 int (*receive_ferror)(void) = stdin_ferror;
135 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
136 #endif
137
138
139 /* List of per-address expansion variables for clearing and saving/restoring
140 when verifying one address while routing/verifying another. We have to have
141 the size explicit, because it is referenced from more than one module. */
142
143 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
144 &deliver_address_data,
145 &deliver_domain,
146 &deliver_domain_data,
147 &deliver_domain_orig,
148 &deliver_domain_parent,
149 &deliver_localpart,
150 &deliver_localpart_data,
151 &deliver_localpart_orig,
152 &deliver_localpart_parent,
153 &deliver_localpart_prefix,
154 &deliver_localpart_suffix,
155 (uschar **)(&deliver_recipients),
156 &deliver_host,
157 &deliver_home,
158 &address_file,
159 &address_pipe,
160 &self_hostname,
161 NULL };
162
163 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
164
165 /* General global variables */
166
167 header_line *acl_added_headers = NULL;
168 tree_node *acl_anchor = NULL;
169
170 uschar *acl_not_smtp = NULL;
171 #ifdef WITH_CONTENT_SCAN
172 uschar *acl_not_smtp_mime = NULL;
173 #endif
174 uschar *acl_not_smtp_start = NULL;
175
176 uschar *acl_smtp_auth = NULL;
177 uschar *acl_smtp_connect = NULL;
178 uschar *acl_smtp_data = NULL;
179 #ifndef DISABLE_DKIM
180 uschar *acl_smtp_dkim = NULL;
181 #endif
182 uschar *acl_smtp_etrn = NULL;
183 uschar *acl_smtp_expn = NULL;
184 uschar *acl_smtp_helo = NULL;
185 uschar *acl_smtp_mail = NULL;
186 uschar *acl_smtp_mailauth = NULL;
187 #ifdef WITH_CONTENT_SCAN
188 uschar *acl_smtp_mime = NULL;
189 #endif
190 uschar *acl_smtp_notquit = NULL;
191 uschar *acl_smtp_predata = NULL;
192 uschar *acl_smtp_quit = NULL;
193 uschar *acl_smtp_rcpt = NULL;
194 uschar *acl_smtp_starttls = NULL;
195 uschar *acl_smtp_vrfy = NULL;
196
197 BOOL acl_temp_details = FALSE;
198 tree_node *acl_var_c = NULL;
199 tree_node *acl_var_m = NULL;
200 uschar *acl_verify_message = NULL;
201 string_item *acl_warn_logged = NULL;
202
203 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
204 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
205
206 uschar *acl_wherenames[] = { US"RCPT",
207 US"MAIL",
208 US"PREDATA",
209 US"MIME",
210 US"DKIM",
211 US"DATA",
212 US"non-SMTP",
213 US"AUTH",
214 US"connection",
215 US"ETRN",
216 US"EXPN",
217 US"EHLO or HELO",
218 US"MAILAUTH",
219 US"non-SMTP-start",
220 US"NOTQUIT",
221 US"QUIT",
222 US"STARTTLS",
223 US"VRFY"
224 };
225
226 uschar *acl_wherecodes[] = { US"550", /* RCPT */
227 US"550", /* MAIL */
228 US"550", /* PREDATA */
229 US"550", /* MIME */
230 US"550", /* DKIM */
231 US"550", /* DATA */
232 US"0", /* not SMTP; not relevant */
233 US"503", /* AUTH */
234 US"550", /* connect */
235 US"458", /* ETRN */
236 US"550", /* EXPN */
237 US"550", /* HELO/EHLO */
238 US"0", /* MAILAUTH; not relevant */
239 US"0", /* not SMTP; not relevant */
240 US"0", /* NOTQUIT; not relevant */
241 US"0", /* QUIT; not relevant */
242 US"550", /* STARTTLS */
243 US"252" /* VRFY */
244 };
245
246 BOOL active_local_from_check = FALSE;
247 BOOL active_local_sender_retain = FALSE;
248 BOOL accept_8bitmime = FALSE;
249 address_item *addr_duplicate = NULL;
250
251 address_item address_defaults = {
252 NULL, /* next */
253 NULL, /* parent */
254 NULL, /* first */
255 NULL, /* dupof */
256 NULL, /* start_router */
257 NULL, /* router */
258 NULL, /* transport */
259 NULL, /* host_list */
260 NULL, /* host_used */
261 NULL, /* fallback_hosts */
262 NULL, /* reply */
263 NULL, /* retries */
264 NULL, /* address */
265 NULL, /* unique */
266 NULL, /* cc_local_part */
267 NULL, /* lc_local_part */
268 NULL, /* local_part */
269 NULL, /* prefix */
270 NULL, /* suffix */
271 NULL, /* domain */
272 NULL, /* address_retry_key */
273 NULL, /* domain_retry_key */
274 NULL, /* current_dir */
275 NULL, /* home_dir */
276 NULL, /* message */
277 NULL, /* user_message */
278 NULL, /* onetime_parent */
279 NULL, /* pipe_expandn */
280 NULL, /* return_filename */
281 NULL, /* self_hostname */
282 NULL, /* shadow_message */
283 #ifdef SUPPORT_TLS
284 NULL, /* cipher */
285 NULL, /* peerdn */
286 #endif
287 (uid_t)(-1), /* uid */
288 (gid_t)(-1), /* gid */
289 0, /* flags */
290 { 0 }, /* domain_cache - any larger array should be zeroed */
291 { 0 }, /* localpart_cache - ditto */
292 -1, /* mode */
293 0, /* more_errno */
294 ERRNO_UNKNOWNERROR, /* basic_errno */
295 0, /* child_count */
296 -1, /* return_file */
297 SPECIAL_NONE, /* special_action */
298 DEFER, /* transport_return */
299 { /* fields that are propagated to children */
300 NULL, /* address_data */
301 NULL, /* domain_data */
302 NULL, /* localpart_data */
303 NULL, /* errors_address */
304 NULL, /* extra_headers */
305 NULL, /* remove_headers */
306 #ifdef EXPERIMENTAL_SRS
307 NULL, /* srs_sender */
308 #endif
309 }
310 };
311
312 uschar *address_file = NULL;
313 uschar *address_pipe = NULL;
314 BOOL address_test_mode = FALSE;
315 tree_node *addresslist_anchor = NULL;
316 int addresslist_count = 0;
317 gid_t *admin_groups = NULL;
318 BOOL admin_user = FALSE;
319 BOOL allow_auth_unadvertised= FALSE;
320 BOOL allow_domain_literals = FALSE;
321 BOOL allow_mx_to_ip = FALSE;
322 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
323 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
324 BOOL allow_utf8_domains = FALSE;
325 uschar *authenticated_id = NULL;
326 uschar *authenticated_sender = NULL;
327 BOOL authentication_failed = FALSE;
328 auth_instance *auths = NULL;
329 uschar *auth_advertise_hosts = US"*";
330 auth_instance auth_defaults = {
331 NULL, /* chain pointer */
332 NULL, /* name */
333 NULL, /* info */
334 NULL, /* private options block pointer */
335 NULL, /* driver_name */
336 NULL, /* advertise_condition */
337 NULL, /* client_condition */
338 NULL, /* public_name */
339 NULL, /* set_id */
340 NULL, /* server_mail_auth_condition */
341 NULL, /* server_debug_string */
342 NULL, /* server_condition */
343 FALSE, /* client */
344 FALSE, /* server */
345 FALSE /* advertised */
346 };
347
348 uschar *auth_defer_msg = US"reason not recorded";
349 uschar *auth_defer_user_msg = US"";
350 uschar *auth_vars[AUTH_VARS];
351 int auto_thaw = 0;
352 #ifdef WITH_CONTENT_SCAN
353 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
354 #endif
355
356 BOOL background_daemon = TRUE;
357
358 #if BASE_62 == 62
359 uschar *base62_chars=
360 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
361 #else
362 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
363 #endif
364
365 uschar *bi_command = NULL;
366 uschar *big_buffer = NULL;
367 int big_buffer_size = BIG_BUFFER_SIZE;
368 #ifdef EXPERIMENTAL_BRIGHTMAIL
369 uschar *bmi_alt_location = NULL;
370 uschar *bmi_base64_tracker_verdict = NULL;
371 uschar *bmi_base64_verdict = NULL;
372 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
373 int bmi_deliver = 1;
374 int bmi_run = 0;
375 uschar *bmi_verdicts = NULL;
376 #endif
377 int body_linecount = 0;
378 int body_zerocount = 0;
379 uschar *bounce_message_file = NULL;
380 uschar *bounce_message_text = NULL;
381 uschar *bounce_recipient = NULL;
382 BOOL bounce_return_body = TRUE;
383 BOOL bounce_return_message = TRUE;
384 int bounce_return_size_limit = 100*1024;
385 uschar *bounce_sender_authentication = NULL;
386 int bsmtp_transaction_linecount = 0;
387
388 int callout_cache_domain_positive_expire = 7*24*60*60;
389 int callout_cache_domain_negative_expire = 3*60*60;
390 int callout_cache_positive_expire = 24*60*60;
391 int callout_cache_negative_expire = 2*60*60;
392 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
393 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
394 int check_log_inodes = 0;
395 int check_log_space = 0;
396 BOOL check_rfc2047_length = TRUE;
397 int check_spool_inodes = 0;
398 int check_spool_space = 0;
399 int clmacro_count = 0;
400 uschar *clmacros[MAX_CLMACROS];
401 BOOL config_changed = FALSE;
402 FILE *config_file = NULL;
403 uschar *config_filename = NULL;
404 int config_lineno = 0;
405 #ifdef CONFIGURE_GROUP
406 gid_t config_gid = CONFIGURE_GROUP;
407 #endif
408 uschar *config_main_filelist = US CONFIGURE_FILE
409 "\0<-----------Space to patch configure_filename->";
410 uschar *config_main_filename = NULL;
411
412 #ifdef CONFIGURE_OWNER
413 uid_t config_uid = CONFIGURE_OWNER;
414 #endif
415
416 int connection_max_messages= -1;
417 uschar *continue_hostname = NULL;
418 uschar *continue_host_address = NULL;
419 BOOL continue_more = FALSE;
420 int continue_sequence = 1;
421 uschar *continue_transport = NULL;
422
423 uschar *csa_status = NULL;
424
425 BOOL daemon_listen = FALSE;
426 uschar *daemon_smtp_port = US"smtp";
427 int daemon_startup_retries = 9;
428 int daemon_startup_sleep = 30;
429
430 #ifdef EXPERIMENTAL_DCC
431 BOOL dcc_direct_add_header = FALSE;
432 uschar *dcc_header = NULL;
433 uschar *dcc_result = NULL;
434 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
435 uschar *dccifd_options = US"header";
436 #endif
437
438 BOOL debug_daemon = FALSE;
439 int debug_fd = -1;
440 FILE *debug_file = NULL;
441 bit_table debug_options[] = {
442 { US"acl", D_acl },
443 { US"all", D_all },
444 { US"auth", D_auth },
445 { US"deliver", D_deliver },
446 { US"dns", D_dns },
447 { US"dnsbl", D_dnsbl },
448 { US"exec", D_exec },
449 { US"expand", D_expand },
450 { US"filter", D_filter },
451 { US"hints_lookup", D_hints_lookup },
452 { US"host_lookup", D_host_lookup },
453 { US"ident", D_ident },
454 { US"interface", D_interface },
455 { US"lists", D_lists },
456 { US"load", D_load },
457 { US"local_scan", D_local_scan },
458 { US"lookup", D_lookup },
459 { US"memory", D_memory },
460 { US"pid", D_pid },
461 { US"process_info", D_process_info },
462 { US"queue_run", D_queue_run },
463 { US"receive", D_receive },
464 { US"resolver", D_resolver },
465 { US"retry", D_retry },
466 { US"rewrite", D_rewrite },
467 { US"route", D_route },
468 { US"timestamp", D_timestamp },
469 { US"tls", D_tls },
470 { US"transport", D_transport },
471 { US"uid", D_uid },
472 { US"verify", D_verify }
473 };
474 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
475 unsigned int debug_selector = 0;
476 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
477 uschar *delay_warning_condition=
478 US"${if or {"
479 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
480 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
481 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
482 "} {no}{yes}}";
483 BOOL delivery_date_remove = TRUE;
484 uschar *deliver_address_data = NULL;
485 int deliver_datafile = -1;
486 uschar *deliver_domain = NULL;
487 uschar *deliver_domain_data = NULL;
488 uschar *deliver_domain_orig = NULL;
489 uschar *deliver_domain_parent = NULL;
490 BOOL deliver_drop_privilege = FALSE;
491 BOOL deliver_firsttime = FALSE;
492 BOOL deliver_force = FALSE;
493 BOOL deliver_freeze = FALSE;
494 int deliver_frozen_at = 0;
495 uschar *deliver_home = NULL;
496 uschar *deliver_host = NULL;
497 uschar *deliver_host_address = NULL;
498 uschar *deliver_in_buffer = NULL;
499 ino_t deliver_inode = 0;
500 uschar *deliver_localpart = NULL;
501 uschar *deliver_localpart_data = NULL;
502 uschar *deliver_localpart_orig = NULL;
503 uschar *deliver_localpart_parent = NULL;
504 uschar *deliver_localpart_prefix = NULL;
505 uschar *deliver_localpart_suffix = NULL;
506 BOOL deliver_force_thaw = FALSE;
507 BOOL deliver_manual_thaw = FALSE;
508 uschar *deliver_out_buffer = NULL;
509 int deliver_queue_load_max = -1;
510 address_item *deliver_recipients = NULL;
511 uschar *deliver_selectstring = NULL;
512 BOOL deliver_selectstring_regex = FALSE;
513 uschar *deliver_selectstring_sender = NULL;
514 BOOL deliver_selectstring_sender_regex = FALSE;
515 #ifdef WITH_OLD_DEMIME
516 int demime_errorlevel = 0;
517 int demime_ok = 0;
518 uschar *demime_reason = NULL;
519 #endif
520 BOOL disable_callout_flush = FALSE;
521 BOOL disable_delay_flush = FALSE;
522 #ifdef ENABLE_DISABLE_FSYNC
523 BOOL disable_fsync = FALSE;
524 #endif
525 BOOL disable_ipv6 = FALSE;
526 BOOL disable_logging = FALSE;
527
528 #ifndef DISABLE_DKIM
529 uschar *dkim_cur_signer = NULL;
530 uschar *dkim_signers = NULL;
531 uschar *dkim_signing_domain = NULL;
532 uschar *dkim_signing_selector = NULL;
533 uschar *dkim_verify_signers = US"$dkim_signers";
534 BOOL dkim_collect_input = FALSE;
535 BOOL dkim_disable_verify = FALSE;
536 #endif
537
538 uschar *dns_again_means_nonexist = NULL;
539 int dns_csa_search_limit = 5;
540 BOOL dns_csa_use_reverse = TRUE;
541 uschar *dns_ipv4_lookup = NULL;
542 int dns_retrans = 0;
543 int dns_retry = 0;
544 int dns_use_edns0 = -1; /* <0 = not coerced */
545 uschar *dnslist_domain = NULL;
546 uschar *dnslist_matched = NULL;
547 uschar *dnslist_text = NULL;
548 uschar *dnslist_value = NULL;
549 tree_node *domainlist_anchor = NULL;
550 int domainlist_count = 0;
551 BOOL dont_deliver = FALSE;
552 BOOL dot_ends = TRUE;
553 BOOL drop_cr = FALSE; /* No longer used */
554 uschar *dsn_from = US DEFAULT_DSN_FROM;
555
556 BOOL enable_dollar_recipients = FALSE;
557 BOOL envelope_to_remove = TRUE;
558 int errno_quota = ERRNO_QUOTA;
559 uschar *errors_copy = NULL;
560 int error_handling = ERRORS_SENDER;
561 uschar *errors_reply_to = NULL;
562 int errors_sender_rc = EXIT_FAILURE;
563
564 gid_t exim_gid = EXIM_GID;
565 BOOL exim_gid_set = TRUE; /* This gid is always set */
566 uschar *exim_path = US BIN_DIRECTORY "/exim"
567 "\0<---------------Space to patch exim_path->";
568 uid_t exim_uid = EXIM_UID;
569 BOOL exim_uid_set = TRUE; /* This uid is always set */
570 int expand_forbid = 0;
571 int expand_nlength[EXPAND_MAXN+1];
572 int expand_nmax = -1;
573 uschar *expand_nstring[EXPAND_MAXN+1];
574 BOOL expand_string_forcedfail = FALSE;
575 uschar *expand_string_message;
576 BOOL extract_addresses_remove_arguments = TRUE;
577 uschar *extra_local_interfaces = NULL;
578
579 int fake_response = OK;
580 uschar *fake_response_text = US"Your message has been rejected but is "
581 "being kept for evaluation.\nIf it was a "
582 "legitimate message, it may still be "
583 "delivered to the target recipient(s).";
584 int filter_n[FILTER_VARIABLE_COUNT];
585 BOOL filter_running = FALSE;
586 int filter_sn[FILTER_VARIABLE_COUNT];
587 int filter_test = FTEST_NONE;
588 uschar *filter_test_sfile = NULL;
589 uschar *filter_test_ufile = NULL;
590 uschar *filter_thisaddress = NULL;
591 int finduser_retries = 0;
592 #ifdef WITH_OLD_DEMIME
593 uschar *found_extension = NULL;
594 #endif
595 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
596 uschar *freeze_tell = NULL;
597 uschar *freeze_tell_config = NULL;
598 uschar *fudged_queue_times = US"";
599
600 uschar *gecos_name = NULL;
601 uschar *gecos_pattern = NULL;
602 rewrite_rule *global_rewrite_rules = NULL;
603
604 uschar *headers_charset = US HEADERS_CHARSET;
605 int header_insert_maxlen = 64 * 1024;
606 header_line *header_last = NULL;
607 header_line *header_list = NULL;
608 int header_maxsize = HEADER_MAXSIZE;
609 int header_line_maxsize = 0;
610
611 header_name header_names[] = {
612 { US"bcc", 3, TRUE, htype_bcc },
613 { US"cc", 2, TRUE, htype_cc },
614 { US"date", 4, TRUE, htype_date },
615 { US"delivery-date", 13, FALSE, htype_delivery_date },
616 { US"envelope-to", 11, FALSE, htype_envelope_to },
617 { US"from", 4, TRUE, htype_from },
618 { US"message-id", 10, TRUE, htype_id },
619 { US"received", 8, FALSE, htype_received },
620 { US"reply-to", 8, FALSE, htype_reply_to },
621 { US"return-path", 11, FALSE, htype_return_path },
622 { US"sender", 6, TRUE, htype_sender },
623 { US"subject", 7, FALSE, htype_subject },
624 { US"to", 2, TRUE, htype_to }
625 };
626
627 int header_names_size = sizeof(header_names)/sizeof(header_name);
628
629 BOOL header_rewritten = FALSE;
630 uschar *helo_accept_junk_hosts = NULL;
631 uschar *helo_allow_chars = US"";
632 uschar *helo_lookup_domains = US"@ : @[]";
633 uschar *helo_try_verify_hosts = NULL;
634 BOOL helo_verified = FALSE;
635 BOOL helo_verify_failed = FALSE;
636 uschar *helo_verify_hosts = NULL;
637 const uschar *hex_digits = CUS"0123456789abcdef";
638 uschar *hold_domains = NULL;
639 BOOL host_checking = FALSE;
640 BOOL host_checking_callout = FALSE;
641 uschar *host_data = NULL;
642 BOOL host_find_failed_syntax= FALSE;
643 uschar *host_lookup = NULL;
644 BOOL host_lookup_deferred = FALSE;
645 BOOL host_lookup_failed = FALSE;
646 uschar *host_lookup_order = US"bydns:byaddr";
647 uschar *host_lookup_msg = US"";
648 int host_number = 0;
649 uschar *host_number_string = NULL;
650 uschar *host_reject_connection = NULL;
651 tree_node *hostlist_anchor = NULL;
652 int hostlist_count = 0;
653 uschar *hosts_treat_as_local = NULL;
654 uschar *hosts_connection_nolog = NULL;
655
656 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
657 BOOL ignore_fromline_local = FALSE;
658 uschar *ignore_fromline_hosts = NULL;
659 uschar *interface_address = NULL;
660 int interface_port = -1;
661 BOOL is_inetd = FALSE;
662 uschar *iterate_item = NULL;
663
664 int journal_fd = -1;
665
666 int keep_malformed = 4*24*60*60; /* 4 days */
667
668 uschar *eldap_dn = NULL;
669 int load_average = -2;
670 BOOL local_error_message = FALSE;
671 BOOL local_from_check = TRUE;
672 uschar *local_from_prefix = NULL;
673 uschar *local_from_suffix = NULL;
674
675 #if HAVE_IPV6
676 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
677 #else
678 uschar *local_interfaces = US"0.0.0.0";
679 #endif
680
681 uschar *local_scan_data = NULL;
682 int local_scan_timeout = 5*60;
683 BOOL local_sender_retain = FALSE;
684 gid_t local_user_gid = (gid_t)(-1);
685 uid_t local_user_uid = (uid_t)(-1);
686
687 tree_node *localpartlist_anchor= NULL;
688 int localpartlist_count = 0;
689 uschar *log_buffer = NULL;
690 unsigned int log_extra_selector = LX_default;
691 uschar *log_file_path = US LOG_FILE_PATH
692 "\0<--------------Space to patch log_file_path->";
693
694 /* Those log options with L_xxx identifiers have values less than 0x800000 and
695 are the ones that get put into log_write_selector. They can be used in calls to
696 log_write() to test for the bit. The options with LX_xxx identifiers have
697 values greater than 0x80000000 and are put int log_extra_selector (without the
698 top bit). They are never used in calls to log_write(), but are tested
699 independently. This separation became necessary when the number of log
700 selectors was getting close to filling a 32-bit word. */
701
702 /* Note that this list must be in alphabetical order. */
703
704 bit_table log_options[] = {
705 { US"acl_warn_skipped", LX_acl_warn_skipped },
706 { US"address_rewrite", L_address_rewrite },
707 { US"all", L_all },
708 { US"all_parents", L_all_parents },
709 { US"arguments", LX_arguments },
710 { US"connection_reject", L_connection_reject },
711 { US"delay_delivery", L_delay_delivery },
712 { US"deliver_time", LX_deliver_time },
713 { US"delivery_size", LX_delivery_size },
714 { US"dnslist_defer", L_dnslist_defer },
715 { US"etrn", L_etrn },
716 { US"host_lookup_failed", L_host_lookup_failed },
717 { US"ident_timeout", LX_ident_timeout },
718 { US"incoming_interface", LX_incoming_interface },
719 { US"incoming_port", LX_incoming_port },
720 { US"lost_incoming_connection", L_lost_incoming_connection },
721 { US"outgoing_port", LX_outgoing_port },
722 { US"pid", LX_pid },
723 { US"queue_run", L_queue_run },
724 { US"queue_time", LX_queue_time },
725 { US"queue_time_overall", LX_queue_time_overall },
726 { US"received_recipients", LX_received_recipients },
727 { US"received_sender", LX_received_sender },
728 { US"rejected_header", LX_rejected_header },
729 { US"rejected_headers", LX_rejected_header },
730 { US"retry_defer", L_retry_defer },
731 { US"return_path_on_delivery", LX_return_path_on_delivery },
732 { US"sender_on_delivery", LX_sender_on_delivery },
733 { US"sender_verify_fail", LX_sender_verify_fail },
734 { US"size_reject", L_size_reject },
735 { US"skip_delivery", L_skip_delivery },
736 { US"smtp_confirmation", LX_smtp_confirmation },
737 { US"smtp_connection", L_smtp_connection },
738 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
739 { US"smtp_no_mail", LX_smtp_no_mail },
740 { US"smtp_protocol_error", L_smtp_protocol_error },
741 { US"smtp_syntax_error", L_smtp_syntax_error },
742 { US"subject", LX_subject },
743 { US"tls_certificate_verified", LX_tls_certificate_verified },
744 { US"tls_cipher", LX_tls_cipher },
745 { US"tls_peerdn", LX_tls_peerdn },
746 { US"unknown_in_list", LX_unknown_in_list }
747 };
748
749 int log_options_count = sizeof(log_options)/sizeof(bit_table);
750 int log_reject_target = 0;
751 uschar *log_selector_string = NULL;
752 FILE *log_stderr = NULL;
753 BOOL log_testing_mode = FALSE;
754 BOOL log_timezone = FALSE;
755 unsigned int log_write_selector= L_default;
756 uschar *login_sender_address = NULL;
757 int lookup_open_max = 25;
758 uschar *lookup_value = NULL;
759
760 macro_item *macros = NULL;
761 uschar *mailstore_basename = NULL;
762 #ifdef WITH_CONTENT_SCAN
763 uschar *malware_name = NULL; /* Virus Name */
764 #endif
765 int max_received_linelength= 0;
766 int max_username_length = 0;
767 int message_age = 0;
768 uschar *message_body = NULL;
769 uschar *message_body_end = NULL;
770 BOOL message_body_newlines = FALSE;
771 int message_body_size = 0;
772 int message_body_visible = 500;
773 int message_ended = END_NOTSTARTED;
774 uschar *message_headers = NULL;
775 uschar *message_id;
776 uschar *message_id_domain = NULL;
777 uschar *message_id_text = NULL;
778 struct timeval message_id_tv = { 0, 0 };
779 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
780 uschar *message_id_external;
781 int message_linecount = 0;
782 BOOL message_logs = TRUE;
783 int message_size = 0;
784 uschar *message_size_limit = US"50M";
785 uschar message_subdir[2] = { 0, 0 };
786 uschar *message_reference = NULL;
787
788 /* MIME ACL expandables */
789 #ifdef WITH_CONTENT_SCAN
790 int mime_anomaly_level = 0;
791 const uschar *mime_anomaly_text = NULL;
792 uschar *mime_boundary = NULL;
793 uschar *mime_charset = NULL;
794 uschar *mime_content_description = NULL;
795 uschar *mime_content_disposition = NULL;
796 uschar *mime_content_id = NULL;
797 unsigned int mime_content_size = 0;
798 uschar *mime_content_transfer_encoding = NULL;
799 uschar *mime_content_type = NULL;
800 uschar *mime_decoded_filename = NULL;
801 uschar *mime_filename = NULL;
802 int mime_is_multipart = 0;
803 int mime_is_coverletter = 0;
804 int mime_is_rfc822 = 0;
805 int mime_part_count = -1;
806 #endif
807
808 BOOL mua_wrapper = FALSE;
809
810 uid_t *never_users = NULL;
811 #ifdef WITH_CONTENT_SCAN
812 BOOL no_mbox_unspool = FALSE;
813 #endif
814 BOOL no_multiline_responses = FALSE;
815
816 uid_t original_euid;
817 gid_t originator_gid;
818 uschar *originator_login = NULL;
819 uschar *originator_name = NULL;
820 uid_t originator_uid;
821 uschar *override_local_interfaces = NULL;
822 uschar *override_pid_file_path = NULL;
823
824 BOOL parse_allow_group = FALSE;
825 BOOL parse_found_group = FALSE;
826 uschar *percent_hack_domains = NULL;
827 uschar *pid_file_path = US PID_FILE_PATH
828 "\0<--------------Space to patch pid_file_path->";
829 BOOL pipelining_enable = TRUE;
830 uschar *pipelining_advertise_hosts = US"*";
831 BOOL preserve_message_logs = FALSE;
832 uschar *primary_hostname = NULL;
833 BOOL print_topbitchars = FALSE;
834 uschar process_info[PROCESS_INFO_SIZE];
835 int process_info_len = 0;
836 uschar *process_log_path = NULL;
837 BOOL prod_requires_admin = TRUE;
838 uschar *prvscheck_address = NULL;
839 uschar *prvscheck_keynum = NULL;
840 uschar *prvscheck_result = NULL;
841
842
843 uschar *qualify_domain_recipient = NULL;
844 uschar *qualify_domain_sender = NULL;
845 BOOL queue_2stage = FALSE;
846 uschar *queue_domains = NULL;
847 int queue_interval = -1;
848 BOOL queue_list_requires_admin = TRUE;
849 BOOL queue_only = FALSE;
850 uschar *queue_only_file = NULL;
851 int queue_only_load = -1;
852 BOOL queue_only_load_latch = TRUE;
853 BOOL queue_only_override = TRUE;
854 BOOL queue_only_policy = FALSE;
855 BOOL queue_run_first_delivery = FALSE;
856 BOOL queue_run_force = FALSE;
857 BOOL queue_run_in_order = FALSE;
858 BOOL queue_run_local = FALSE;
859 int queue_run_max = 5;
860 pid_t queue_run_pid = (pid_t)0;
861 int queue_run_pipe = -1;
862 BOOL queue_running = FALSE;
863 BOOL queue_smtp = FALSE;
864 uschar *queue_smtp_domains = NULL;
865
866 unsigned int random_seed = 0;
867 tree_node *ratelimiters_cmd = NULL;
868 tree_node *ratelimiters_conn = NULL;
869 tree_node *ratelimiters_mail = NULL;
870 uschar *raw_active_hostname = NULL;
871 uschar *raw_sender = NULL;
872 uschar **raw_recipients = NULL;
873 int raw_recipients_count = 0;
874
875 int rcpt_count = 0;
876 int rcpt_fail_count = 0;
877 int rcpt_defer_count = 0;
878 gid_t real_gid;
879 uid_t real_uid;
880 BOOL really_exim = TRUE;
881 BOOL receive_call_bombout = FALSE;
882 int receive_linecount = 0;
883 int receive_messagecount = 0;
884 int receive_timeout = 0;
885 int received_count = 0;
886 uschar *received_for = NULL;
887
888 /* This is the default text for Received headers generated by Exim. The
889 date will be automatically added on the end. */
890
891 uschar *received_header_text = US
892 "Received: "
893 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
894 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
895 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
896 "by $primary_hostname "
897 "${if def:received_protocol {with $received_protocol}} "
898 #ifdef SUPPORT_TLS
899 "${if def:tls_cipher {($tls_cipher)\n\t}}"
900 #endif
901 "(Exim $version_number)\n\t"
902 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
903 "id $message_exim_id"
904 "${if def:received_for {\n\tfor $received_for}}"
905 "\0<---------------Space to patch received_header_text->";
906
907 int received_headers_max = 30;
908 uschar *received_protocol = NULL;
909 int received_time = 0;
910 uschar *recipient_data = NULL;
911 uschar *recipient_unqualified_hosts = NULL;
912 uschar *recipient_verify_failure = NULL;
913 int recipients_count = 0;
914 BOOL recipients_discarded = FALSE;
915 recipient_item *recipients_list = NULL;
916 int recipients_list_max = 0;
917 int recipients_max = 0;
918 BOOL recipients_max_reject = FALSE;
919 const pcre *regex_AUTH = NULL;
920 const pcre *regex_check_dns_names = NULL;
921 const pcre *regex_From = NULL;
922 const pcre *regex_IGNOREQUOTA = NULL;
923 const pcre *regex_PIPELINING = NULL;
924 const pcre *regex_SIZE = NULL;
925 const pcre *regex_smtp_code = NULL;
926 const pcre *regex_ismsgid = NULL;
927 #ifdef WHITELIST_D_MACROS
928 const pcre *regex_whitelisted_macro = NULL;
929 #endif
930 #ifdef WITH_CONTENT_SCAN
931 uschar *regex_match_string = NULL;
932 #endif
933 int remote_delivery_count = 0;
934 int remote_max_parallel = 2;
935 uschar *remote_sort_domains = NULL;
936 int retry_data_expire = 7*24*60*60;
937 int retry_interval_max = 24*60*60;
938 int retry_maximum_timeout = 0; /* set from retry config */
939 retry_config *retries = NULL;
940 uschar *return_path = NULL;
941 BOOL return_path_remove = TRUE;
942 int rewrite_existflags = 0;
943 uschar *rfc1413_hosts = US"*";
944 int rfc1413_query_timeout = 5;
945 /* BOOL rfc821_domains = FALSE; <<< on the way out */
946 uid_t root_gid = ROOT_GID;
947 uid_t root_uid = ROOT_UID;
948
949 router_instance *routers = NULL;
950 router_instance router_defaults = {
951 NULL, /* chain pointer */
952 NULL, /* name */
953 NULL, /* info */
954 NULL, /* private options block pointer */
955 NULL, /* driver name */
956
957 NULL, /* address_data */
958 #ifdef EXPERIMENTAL_BRIGHTMAIL
959 NULL, /* bmi_rule */
960 #endif
961 NULL, /* cannot_route_message */
962 NULL, /* condition */
963 NULL, /* current_directory */
964 NULL, /* debug_string */
965 NULL, /* domains */
966 NULL, /* errors_to */
967 NULL, /* expand_gid */
968 NULL, /* expand_uid */
969 NULL, /* expand_more */
970 NULL, /* expand_unseen */
971 NULL, /* extra_headers */
972 NULL, /* fallback_hosts */
973 NULL, /* home_directory */
974 NULL, /* ignore_target_hosts */
975 NULL, /* local_parts */
976 NULL, /* pass_router_name */
977 NULL, /* prefix */
978 NULL, /* redirect_router_name */
979 NULL, /* remove_headers */
980 NULL, /* require_files */
981 NULL, /* router_home_directory */
982 US"freeze", /* self */
983 NULL, /* senders */
984 NULL, /* suffix */
985 NULL, /* translate_ip_address */
986 NULL, /* transport_name */
987
988 TRUE, /* address_test */
989 #ifdef EXPERIMENTAL_BRIGHTMAIL
990 FALSE, /* bmi_deliver_alternate */
991 FALSE, /* bmi_deliver_default */
992 FALSE, /* bmi_dont_deliver */
993 #endif
994 TRUE, /* expn */
995 FALSE, /* caseful_local_part */
996 FALSE, /* check_local_user */
997 FALSE, /* disable_logging */
998 FALSE, /* fail_verify_recipient */
999 FALSE, /* fail_verify_sender */
1000 FALSE, /* gid_set */
1001 FALSE, /* initgroups */
1002 TRUE_UNSET, /* log_as_local */
1003 TRUE, /* more */
1004 FALSE, /* pass_on_timeout */
1005 FALSE, /* prefix_optional */
1006 TRUE, /* repeat_use */
1007 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1008 FALSE, /* same_domain_copy_routing */
1009 FALSE, /* self_rewrite */
1010 FALSE, /* suffix_optional */
1011 FALSE, /* verify_only */
1012 TRUE, /* verify_recipient */
1013 TRUE, /* verify_sender */
1014 FALSE, /* uid_set */
1015 FALSE, /* unseen */
1016
1017 self_freeze, /* self_code */
1018 (uid_t)(-1), /* uid */
1019 (gid_t)(-1), /* gid */
1020
1021 NULL, /* fallback_hostlist */
1022 NULL, /* transport instance */
1023 NULL, /* pass_router */
1024 NULL /* redirect_router */
1025 };
1026
1027 ip_address_item *running_interfaces = NULL;
1028 BOOL running_in_test_harness = FALSE;
1029
1030 /* This is a weird one. The following string gets patched in the binary by the
1031 script that sets up a copy of Exim for running in the test harness. It seems
1032 that compilers are now clever, and share constant strings if they can.
1033 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1034 make use of the end of this string in order to save space. So the patching then
1035 wrecks this. We defeat this optimization by adding some additional characters
1036 onto the end of the string. */
1037
1038 uschar *running_status = US">>>running<<<" "\0EXTRA";
1039
1040 int runrc = 0;
1041
1042 uschar *search_error_message = NULL;
1043 BOOL search_find_defer = FALSE;
1044 uschar *self_hostname = NULL;
1045 uschar *sender_address = NULL;
1046 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1047 uschar *sender_address_data = NULL;
1048 BOOL sender_address_forced = FALSE;
1049 uschar *sender_address_unrewritten = NULL;
1050 uschar *sender_data = NULL;
1051 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1052 uschar *sender_fullhost = NULL;
1053 uschar *sender_helo_name = NULL;
1054 uschar **sender_host_aliases = &no_aliases;
1055 uschar *sender_host_address = NULL;
1056 uschar *sender_host_authenticated = NULL;
1057 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1058 uschar *sender_host_name = NULL;
1059 int sender_host_port = 0;
1060 BOOL sender_host_notsocket = FALSE;
1061 BOOL sender_host_unknown = FALSE;
1062 uschar *sender_ident = NULL;
1063 BOOL sender_local = FALSE;
1064 BOOL sender_name_forced = FALSE;
1065 uschar *sender_rate = NULL;
1066 uschar *sender_rate_limit = NULL;
1067 uschar *sender_rate_period = NULL;
1068 uschar *sender_rcvhost = NULL;
1069 BOOL sender_set_untrusted = FALSE;
1070 uschar *sender_unqualified_hosts = NULL;
1071 uschar *sender_verify_failure = NULL;
1072 address_item *sender_verified_list = NULL;
1073 address_item *sender_verified_failed = NULL;
1074 int sender_verified_rc = -1;
1075 BOOL sender_verified_responded = FALSE;
1076 uschar *sending_ip_address = NULL;
1077 int sending_port = -1;
1078 SIGNAL_BOOL sigalrm_seen = FALSE;
1079 uschar **sighup_argv = NULL;
1080 int smtp_accept_count = 0;
1081 BOOL smtp_accept_keepalive = TRUE;
1082 int smtp_accept_max = 20;
1083 int smtp_accept_max_nonmail= 10;
1084 uschar *smtp_accept_max_nonmail_hosts = US"*";
1085 int smtp_accept_max_per_connection = 1000;
1086 uschar *smtp_accept_max_per_host = NULL;
1087 int smtp_accept_queue = 0;
1088 int smtp_accept_queue_per_connection = 10;
1089 int smtp_accept_reserve = 0;
1090 uschar *smtp_active_hostname = NULL;
1091 BOOL smtp_authenticated = FALSE;
1092 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1093 "Exim $version_number $tod_full"
1094 "\0<---------------Space to patch smtp_banner->";
1095 BOOL smtp_batched_input = FALSE;
1096 BOOL smtp_check_spool_space = TRUE;
1097 int smtp_ch_index = 0;
1098 uschar *smtp_cmd_argument = NULL;
1099 uschar *smtp_cmd_buffer = NULL;
1100 time_t smtp_connection_start = 0;
1101 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1102 int smtp_connect_backlog = 20;
1103 double smtp_delay_mail = 0.0;
1104 double smtp_delay_rcpt = 0.0;
1105 BOOL smtp_enforce_sync = TRUE;
1106 FILE *smtp_in = NULL;
1107 BOOL smtp_input = FALSE;
1108 int smtp_load_reserve = -1;
1109 int smtp_mailcmd_count = 0;
1110 FILE *smtp_out = NULL;
1111 uschar *smtp_etrn_command = NULL;
1112 BOOL smtp_etrn_serialize = TRUE;
1113 int smtp_max_synprot_errors= 3;
1114 int smtp_max_unknown_commands = 3;
1115 uschar *smtp_notquit_reason = NULL;
1116 uschar *smtp_ratelimit_hosts = NULL;
1117 uschar *smtp_ratelimit_mail = NULL;
1118 uschar *smtp_ratelimit_rcpt = NULL;
1119 uschar *smtp_read_error = US"";
1120 int smtp_receive_timeout = 5*60;
1121 uschar *smtp_reserve_hosts = NULL;
1122 BOOL smtp_return_error_details = FALSE;
1123 int smtp_rlm_base = 0;
1124 double smtp_rlm_factor = 0.0;
1125 int smtp_rlm_limit = 0;
1126 int smtp_rlm_threshold = INT_MAX;
1127 int smtp_rlr_base = 0;
1128 double smtp_rlr_factor = 0.0;
1129 int smtp_rlr_limit = 0;
1130 int smtp_rlr_threshold = INT_MAX;
1131 BOOL smtp_use_pipelining = FALSE;
1132 BOOL smtp_use_size = FALSE;
1133
1134 #ifdef WITH_CONTENT_SCAN
1135 uschar *spamd_address = US"127.0.0.1 783";
1136 uschar *spam_bar = NULL;
1137 uschar *spam_report = NULL;
1138 uschar *spam_score = NULL;
1139 uschar *spam_score_int = NULL;
1140 #endif
1141 #ifdef EXPERIMENTAL_SPF
1142 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1143 uschar *spf_header_comment = NULL;
1144 uschar *spf_received = NULL;
1145 uschar *spf_result = NULL;
1146 uschar *spf_smtp_comment = NULL;
1147 #endif
1148
1149 BOOL split_spool_directory = FALSE;
1150 uschar *spool_directory = US SPOOL_DIRECTORY
1151 "\0<--------------Space to patch spool_directory->";
1152 #ifdef EXPERIMENTAL_SRS
1153 uschar *srs_config = NULL;
1154 uschar *srs_db_address = NULL;
1155 uschar *srs_db_key = NULL;
1156 int srs_hashlength = 6;
1157 int srs_hashmin = -1;
1158 int srs_maxage = 31;
1159 uschar *srs_orig_recipient = NULL;
1160 uschar *srs_orig_sender = NULL;
1161 uschar *srs_recipient = NULL;
1162 uschar *srs_secrets = NULL;
1163 uschar *srs_status = NULL;
1164 BOOL srs_usehash = TRUE;
1165 BOOL srs_usetimestamp = TRUE;
1166 #endif
1167 BOOL strict_acl_vars = FALSE;
1168 int string_datestamp_offset= -1;
1169 int string_datestamp_length= 0;
1170 int string_datestamp_type = -1;
1171 BOOL strip_excess_angle_brackets = FALSE;
1172 BOOL strip_trailing_dot = FALSE;
1173 uschar *submission_domain = NULL;
1174 BOOL submission_mode = FALSE;
1175 uschar *submission_name = NULL;
1176 BOOL suppress_local_fixups = FALSE;
1177 BOOL synchronous_delivery = FALSE;
1178 BOOL syslog_duplication = TRUE;
1179 int syslog_facility = LOG_MAIL;
1180 uschar *syslog_processname = US"exim";
1181 BOOL syslog_timestamp = TRUE;
1182 uschar *system_filter = NULL;
1183
1184 uschar *system_filter_directory_transport = NULL;
1185 uschar *system_filter_file_transport = NULL;
1186 uschar *system_filter_pipe_transport = NULL;
1187 uschar *system_filter_reply_transport = NULL;
1188
1189 gid_t system_filter_gid = 0;
1190 BOOL system_filter_gid_set = FALSE;
1191 uid_t system_filter_uid = (uid_t)-1;
1192 BOOL system_filter_uid_set = FALSE;
1193 BOOL system_filtering = FALSE;
1194
1195 BOOL tcp_nodelay = TRUE;
1196 #ifdef USE_TCP_WRAPPERS
1197 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1198 #endif
1199 int test_harness_load_avg = 0;
1200 int thismessage_size_limit = 0;
1201 int timeout_frozen_after = 0;
1202 BOOL timestamps_utc = FALSE;
1203
1204 transport_instance *transports = NULL;
1205
1206 transport_instance transport_defaults = {
1207 NULL, /* chain pointer */
1208 NULL, /* name */
1209 NULL, /* info */
1210 NULL, /* private options block pointer */
1211 NULL, /* driver name */
1212 NULL, /* setup entry point */
1213 1, /* batch_max */
1214 NULL, /* batch_id */
1215 NULL, /* home_dir */
1216 NULL, /* current_dir */
1217 TRUE, /* multi-domain */
1218 FALSE, /* overrides_hosts */
1219 100, /* max_addresses */
1220 500, /* connection_max_messages */
1221 FALSE, /* deliver_as_creator */
1222 FALSE, /* disable_logging */
1223 FALSE, /* initgroups */
1224 FALSE, /* uid_set */
1225 FALSE, /* gid_set */
1226 (uid_t)(-1), /* uid */
1227 (gid_t)(-1), /* gid */
1228 NULL, /* expand_uid */
1229 NULL, /* expand_gid */
1230 NULL, /* warn_message */
1231 NULL, /* shadow */
1232 NULL, /* shadow_condition */
1233 NULL, /* filter_command */
1234 NULL, /* add_headers */
1235 NULL, /* remove_headers */
1236 NULL, /* return_path */
1237 NULL, /* debug_string */
1238 NULL, /* message_size_limit */
1239 NULL, /* headers_rewrite */
1240 NULL, /* rewrite_rules */
1241 0, /* rewrite_existflags */
1242 300, /* filter_timeout */
1243 FALSE, /* body_only */
1244 FALSE, /* delivery_date_add */
1245 FALSE, /* envelope_to_add */
1246 FALSE, /* headers_only */
1247 FALSE, /* rcpt_include_affixes */
1248 FALSE, /* return_path_add */
1249 FALSE, /* return_output */
1250 FALSE, /* return_fail_output */
1251 FALSE, /* log_output */
1252 FALSE, /* log_fail_output */
1253 FALSE, /* log_defer_output */
1254 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1255 1 nor 0 so can detect unset */
1256 };
1257
1258 int transport_count;
1259 int transport_newlines;
1260 uschar **transport_filter_argv = NULL;
1261 int transport_filter_timeout;
1262 BOOL transport_filter_timed_out = FALSE;
1263 int transport_write_timeout= 0;
1264
1265 tree_node *tree_dns_fails = NULL;
1266 tree_node *tree_duplicates = NULL;
1267 tree_node *tree_nonrecipients = NULL;
1268 tree_node *tree_unusable = NULL;
1269
1270 BOOL trusted_caller = FALSE;
1271 BOOL trusted_config = TRUE;
1272 gid_t *trusted_groups = NULL;
1273 uid_t *trusted_users = NULL;
1274 uschar *timezone_string = US TIMEZONE_DEFAULT;
1275
1276 uschar *unknown_login = NULL;
1277 uschar *unknown_username = NULL;
1278 uschar *untrusted_set_sender = NULL;
1279
1280 /* A regex for matching a "From_" line in an incoming message, in the form
1281
1282 From ph10 Fri Jan 5 12:35 GMT 1996
1283
1284 which the "mail" commands send to the MTA (undocumented, of course), or in
1285 the form
1286
1287 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1288
1289 which is apparently used by some UUCPs, despite it not being in RFC 976.
1290 Because of variations in time formats, just match up to the minutes. That
1291 should be sufficient. Examples have been seen of time fields like 12:1:03,
1292 so just require one digit for hours and minutes. The weekday is also absent
1293 in some forms. */
1294
1295 uschar *uucp_from_pattern = US
1296 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1297 "(?:" /* Non-extracting bracket */
1298 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1299 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1300 ")" /* End alternation */
1301 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1302
1303 uschar *uucp_from_sender = US"$1";
1304
1305 uschar *warn_message_file = NULL;
1306 uschar *warnmsg_delay = NULL;
1307 uschar *warnmsg_recipients = NULL;
1308 BOOL write_rejectlog = TRUE;
1309
1310 uschar *version_copyright = US"Copyright (c) University of Cambridge, 1995 - 2007";
1311 uschar *version_date = US"?";
1312 uschar *version_cnumber = US"????";
1313 uschar *version_string = US"?";
1314
1315 int warning_count = 0;
1316
1317 /* End of globals.c */
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