8df1119fb1d6930c909fbe72b23909cb46f156e2
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2012 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
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 tls_support tls_in = {
99 -1, /* tls_active */
100 0, /* tls_bits */
101 FALSE,/* tls_certificate_verified */
102 NULL, /* tls_cipher */
103 FALSE,/* tls_on_connect */
104 NULL, /* tls_on_connect_ports */
105 NULL, /* tls_peerdn */
106 NULL /* tls_sni */
107 };
108 tls_support tls_out = {
109 -1, /* tls_active */
110 0, /* tls_bits */
111 FALSE,/* tls_certificate_verified */
112 NULL, /* tls_cipher */
113 FALSE,/* tls_on_connect */
114 NULL, /* tls_on_connect_ports */
115 NULL, /* tls_peerdn */
116 NULL /* tls_sni */
117 };
118
119
120 #ifdef SUPPORT_TLS
121 BOOL gnutls_compat_mode = FALSE;
122 BOOL gnutls_enable_pkcs11 = FALSE;
123 uschar *gnutls_require_mac = NULL;
124 uschar *gnutls_require_kx = NULL;
125 uschar *gnutls_require_proto = NULL;
126 uschar *openssl_options = NULL;
127 const pcre *regex_STARTTLS = NULL;
128 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
129 uschar *tls_certificate = NULL;
130 uschar *tls_crl = NULL;
131 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
132 that's the interop problem which has been observed: GnuTLS suggesting a higher
133 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
134 int tls_dh_max_bits = 2236;
135 uschar *tls_dhparam = NULL;
136 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
137 uschar *tls_ocsp_file = NULL;
138 #endif
139 BOOL tls_offered = FALSE;
140 uschar *tls_privatekey = NULL;
141 BOOL tls_remember_esmtp = FALSE;
142 uschar *tls_require_ciphers = NULL;
143 uschar *tls_try_verify_hosts = NULL;
144 uschar *tls_verify_certificates= NULL;
145 uschar *tls_verify_hosts = NULL;
146 #endif
147
148
149 /* Input-reading functions for messages, so we can use special ones for
150 incoming TCP/IP. The defaults use stdin. We never need these for any
151 stand-alone tests. */
152
153 #ifndef STAND_ALONE
154 int (*receive_getc)(void) = stdin_getc;
155 int (*receive_ungetc)(int) = stdin_ungetc;
156 int (*receive_feof)(void) = stdin_feof;
157 int (*receive_ferror)(void) = stdin_ferror;
158 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
159 #endif
160
161
162 /* List of per-address expansion variables for clearing and saving/restoring
163 when verifying one address while routing/verifying another. We have to have
164 the size explicit, because it is referenced from more than one module. */
165
166 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
167 &deliver_address_data,
168 &deliver_domain,
169 &deliver_domain_data,
170 &deliver_domain_orig,
171 &deliver_domain_parent,
172 &deliver_localpart,
173 &deliver_localpart_data,
174 &deliver_localpart_orig,
175 &deliver_localpart_parent,
176 &deliver_localpart_prefix,
177 &deliver_localpart_suffix,
178 (uschar **)(&deliver_recipients),
179 &deliver_host,
180 &deliver_home,
181 &address_file,
182 &address_pipe,
183 &self_hostname,
184 NULL };
185
186 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
187
188 /* General global variables */
189
190 header_line *acl_added_headers = NULL;
191 tree_node *acl_anchor = NULL;
192 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
193 NULL, NULL, NULL, NULL};
194 int acl_narg = 0;
195
196 uschar *acl_not_smtp = NULL;
197 #ifdef WITH_CONTENT_SCAN
198 uschar *acl_not_smtp_mime = NULL;
199 #endif
200 uschar *acl_not_smtp_start = NULL;
201 uschar *acl_removed_headers = NULL;
202 uschar *acl_smtp_auth = NULL;
203 uschar *acl_smtp_connect = NULL;
204 uschar *acl_smtp_data = NULL;
205 #ifndef DISABLE_DKIM
206 uschar *acl_smtp_dkim = NULL;
207 #endif
208 uschar *acl_smtp_etrn = NULL;
209 uschar *acl_smtp_expn = NULL;
210 uschar *acl_smtp_helo = NULL;
211 uschar *acl_smtp_mail = NULL;
212 uschar *acl_smtp_mailauth = NULL;
213 #ifdef WITH_CONTENT_SCAN
214 uschar *acl_smtp_mime = NULL;
215 #endif
216 uschar *acl_smtp_notquit = NULL;
217 uschar *acl_smtp_predata = NULL;
218 uschar *acl_smtp_quit = NULL;
219 uschar *acl_smtp_rcpt = NULL;
220 uschar *acl_smtp_starttls = NULL;
221 uschar *acl_smtp_vrfy = NULL;
222
223 BOOL acl_temp_details = FALSE;
224 tree_node *acl_var_c = NULL;
225 tree_node *acl_var_m = NULL;
226 uschar *acl_verify_message = NULL;
227 string_item *acl_warn_logged = NULL;
228
229 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
230 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
231
232 uschar *acl_wherenames[] = { US"RCPT",
233 US"MAIL",
234 US"PREDATA",
235 US"MIME",
236 US"DKIM",
237 US"DATA",
238 US"non-SMTP",
239 US"AUTH",
240 US"connection",
241 US"ETRN",
242 US"EXPN",
243 US"EHLO or HELO",
244 US"MAILAUTH",
245 US"non-SMTP-start",
246 US"NOTQUIT",
247 US"QUIT",
248 US"STARTTLS",
249 US"VRFY",
250 US"delivery",
251 US"unknown"
252 };
253
254 uschar *acl_wherecodes[] = { US"550", /* RCPT */
255 US"550", /* MAIL */
256 US"550", /* PREDATA */
257 US"550", /* MIME */
258 US"550", /* DKIM */
259 US"550", /* DATA */
260 US"0", /* not SMTP; not relevant */
261 US"503", /* AUTH */
262 US"550", /* connect */
263 US"458", /* ETRN */
264 US"550", /* EXPN */
265 US"550", /* HELO/EHLO */
266 US"0", /* MAILAUTH; not relevant */
267 US"0", /* not SMTP; not relevant */
268 US"0", /* NOTQUIT; not relevant */
269 US"0", /* QUIT; not relevant */
270 US"550", /* STARTTLS */
271 US"252", /* VRFY */
272 US"0", /* delivery; not relevant */
273 US"0" /* unknown; not relevant */
274 };
275
276 BOOL active_local_from_check = FALSE;
277 BOOL active_local_sender_retain = FALSE;
278 int body_8bitmime = 0;
279 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
280 address_item *addr_duplicate = NULL;
281
282 address_item address_defaults = {
283 NULL, /* next */
284 NULL, /* parent */
285 NULL, /* first */
286 NULL, /* dupof */
287 NULL, /* start_router */
288 NULL, /* router */
289 NULL, /* transport */
290 NULL, /* host_list */
291 NULL, /* host_used */
292 NULL, /* fallback_hosts */
293 NULL, /* reply */
294 NULL, /* retries */
295 NULL, /* address */
296 NULL, /* unique */
297 NULL, /* cc_local_part */
298 NULL, /* lc_local_part */
299 NULL, /* local_part */
300 NULL, /* prefix */
301 NULL, /* suffix */
302 NULL, /* domain */
303 NULL, /* address_retry_key */
304 NULL, /* domain_retry_key */
305 NULL, /* current_dir */
306 NULL, /* home_dir */
307 NULL, /* message */
308 NULL, /* user_message */
309 NULL, /* onetime_parent */
310 NULL, /* pipe_expandn */
311 NULL, /* return_filename */
312 NULL, /* self_hostname */
313 NULL, /* shadow_message */
314 #ifdef SUPPORT_TLS
315 NULL, /* cipher */
316 NULL, /* peerdn */
317 #endif
318 (uid_t)(-1), /* uid */
319 (gid_t)(-1), /* gid */
320 0, /* flags */
321 { 0 }, /* domain_cache - any larger array should be zeroed */
322 { 0 }, /* localpart_cache - ditto */
323 -1, /* mode */
324 0, /* more_errno */
325 ERRNO_UNKNOWNERROR, /* basic_errno */
326 0, /* child_count */
327 -1, /* return_file */
328 SPECIAL_NONE, /* special_action */
329 DEFER, /* transport_return */
330 { /* fields that are propagated to children */
331 NULL, /* address_data */
332 NULL, /* domain_data */
333 NULL, /* localpart_data */
334 NULL, /* errors_address */
335 NULL, /* extra_headers */
336 NULL, /* remove_headers */
337 #ifdef EXPERIMENTAL_SRS
338 NULL, /* srs_sender */
339 #endif
340 }
341 };
342
343 uschar *address_file = NULL;
344 uschar *address_pipe = NULL;
345 BOOL address_test_mode = FALSE;
346 tree_node *addresslist_anchor = NULL;
347 int addresslist_count = 0;
348 gid_t *admin_groups = NULL;
349 BOOL admin_user = FALSE;
350 BOOL allow_auth_unadvertised= FALSE;
351 BOOL allow_domain_literals = FALSE;
352 BOOL allow_mx_to_ip = FALSE;
353 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
354 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
355 BOOL allow_utf8_domains = FALSE;
356 uschar *authenticated_id = NULL;
357 uschar *authenticated_sender = NULL;
358 BOOL authentication_failed = FALSE;
359 auth_instance *auths = NULL;
360 uschar *auth_advertise_hosts = US"*";
361 auth_instance auth_defaults = {
362 NULL, /* chain pointer */
363 NULL, /* name */
364 NULL, /* info */
365 NULL, /* private options block pointer */
366 NULL, /* driver_name */
367 NULL, /* advertise_condition */
368 NULL, /* client_condition */
369 NULL, /* public_name */
370 NULL, /* set_id */
371 NULL, /* server_mail_auth_condition */
372 NULL, /* server_debug_string */
373 NULL, /* server_condition */
374 FALSE, /* client */
375 FALSE, /* server */
376 FALSE /* advertised */
377 };
378
379 uschar *auth_defer_msg = US"reason not recorded";
380 uschar *auth_defer_user_msg = US"";
381 uschar *auth_vars[AUTH_VARS];
382 int auto_thaw = 0;
383 #ifdef WITH_CONTENT_SCAN
384 BOOL av_failed = FALSE;
385 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
386 #endif
387
388 BOOL background_daemon = TRUE;
389
390 #if BASE_62 == 62
391 uschar *base62_chars=
392 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
393 #else
394 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
395 #endif
396
397 uschar *bi_command = NULL;
398 uschar *big_buffer = NULL;
399 int big_buffer_size = BIG_BUFFER_SIZE;
400 #ifdef EXPERIMENTAL_BRIGHTMAIL
401 uschar *bmi_alt_location = NULL;
402 uschar *bmi_base64_tracker_verdict = NULL;
403 uschar *bmi_base64_verdict = NULL;
404 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
405 int bmi_deliver = 1;
406 int bmi_run = 0;
407 uschar *bmi_verdicts = NULL;
408 #endif
409 int body_linecount = 0;
410 int body_zerocount = 0;
411 uschar *bounce_message_file = NULL;
412 uschar *bounce_message_text = NULL;
413 uschar *bounce_recipient = NULL;
414 BOOL bounce_return_body = TRUE;
415 BOOL bounce_return_message = TRUE;
416 int bounce_return_size_limit = 100*1024;
417 uschar *bounce_sender_authentication = NULL;
418 int bsmtp_transaction_linecount = 0;
419
420 int callout_cache_domain_positive_expire = 7*24*60*60;
421 int callout_cache_domain_negative_expire = 3*60*60;
422 int callout_cache_positive_expire = 24*60*60;
423 int callout_cache_negative_expire = 2*60*60;
424 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
425 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
426 int check_log_inodes = 0;
427 int check_log_space = 0;
428 BOOL check_rfc2047_length = TRUE;
429 int check_spool_inodes = 0;
430 int check_spool_space = 0;
431 uschar *client_authenticator = NULL;
432 uschar *client_authenticated_id = NULL;
433 int clmacro_count = 0;
434 uschar *clmacros[MAX_CLMACROS];
435 BOOL config_changed = FALSE;
436 FILE *config_file = NULL;
437 uschar *config_filename = NULL;
438 int config_lineno = 0;
439 #ifdef CONFIGURE_GROUP
440 gid_t config_gid = CONFIGURE_GROUP;
441 #endif
442 uschar *config_main_filelist = US CONFIGURE_FILE
443 "\0<-----------Space to patch configure_filename->";
444 uschar *config_main_filename = NULL;
445
446 #ifdef CONFIGURE_OWNER
447 uid_t config_uid = CONFIGURE_OWNER;
448 #endif
449
450 int connection_max_messages= -1;
451 uschar *continue_hostname = NULL;
452 uschar *continue_host_address = NULL;
453 BOOL continue_more = FALSE;
454 int continue_sequence = 1;
455 uschar *continue_transport = NULL;
456
457 uschar *csa_status = NULL;
458 BOOL cutthrough_delivery = FALSE;
459 int cutthrough_fd = -1;
460
461 BOOL daemon_listen = FALSE;
462 uschar *daemon_smtp_port = US"smtp";
463 int daemon_startup_retries = 9;
464 int daemon_startup_sleep = 30;
465
466 #ifdef EXPERIMENTAL_DCC
467 BOOL dcc_direct_add_header = FALSE;
468 uschar *dcc_header = NULL;
469 uschar *dcc_result = NULL;
470 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
471 uschar *dccifd_options = US"header";
472 #endif
473
474 BOOL debug_daemon = FALSE;
475 int debug_fd = -1;
476 FILE *debug_file = NULL;
477 bit_table debug_options[] = {
478 { US"acl", D_acl },
479 { US"all", D_all },
480 { US"auth", D_auth },
481 { US"deliver", D_deliver },
482 { US"dns", D_dns },
483 { US"dnsbl", D_dnsbl },
484 { US"exec", D_exec },
485 { US"expand", D_expand },
486 { US"filter", D_filter },
487 { US"hints_lookup", D_hints_lookup },
488 { US"host_lookup", D_host_lookup },
489 { US"ident", D_ident },
490 { US"interface", D_interface },
491 { US"lists", D_lists },
492 { US"load", D_load },
493 { US"local_scan", D_local_scan },
494 { US"lookup", D_lookup },
495 { US"memory", D_memory },
496 { US"pid", D_pid },
497 { US"process_info", D_process_info },
498 { US"queue_run", D_queue_run },
499 { US"receive", D_receive },
500 { US"resolver", D_resolver },
501 { US"retry", D_retry },
502 { US"rewrite", D_rewrite },
503 { US"route", D_route },
504 { US"timestamp", D_timestamp },
505 { US"tls", D_tls },
506 { US"transport", D_transport },
507 { US"uid", D_uid },
508 { US"verify", D_verify }
509 };
510 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
511 unsigned int debug_selector = 0;
512 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
513 uschar *delay_warning_condition=
514 US"${if or {"
515 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
516 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
517 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
518 "} {no}{yes}}";
519 BOOL delivery_date_remove = TRUE;
520 uschar *deliver_address_data = NULL;
521 int deliver_datafile = -1;
522 uschar *deliver_domain = NULL;
523 uschar *deliver_domain_data = NULL;
524 uschar *deliver_domain_orig = NULL;
525 uschar *deliver_domain_parent = NULL;
526 BOOL deliver_drop_privilege = FALSE;
527 BOOL deliver_firsttime = FALSE;
528 BOOL deliver_force = FALSE;
529 BOOL deliver_freeze = FALSE;
530 int deliver_frozen_at = 0;
531 uschar *deliver_home = NULL;
532 uschar *deliver_host = NULL;
533 uschar *deliver_host_address = NULL;
534 uschar *deliver_in_buffer = NULL;
535 ino_t deliver_inode = 0;
536 uschar *deliver_localpart = NULL;
537 uschar *deliver_localpart_data = NULL;
538 uschar *deliver_localpart_orig = NULL;
539 uschar *deliver_localpart_parent = NULL;
540 uschar *deliver_localpart_prefix = NULL;
541 uschar *deliver_localpart_suffix = NULL;
542 BOOL deliver_force_thaw = FALSE;
543 BOOL deliver_manual_thaw = FALSE;
544 uschar *deliver_out_buffer = NULL;
545 int deliver_queue_load_max = -1;
546 address_item *deliver_recipients = NULL;
547 uschar *deliver_selectstring = NULL;
548 BOOL deliver_selectstring_regex = FALSE;
549 uschar *deliver_selectstring_sender = NULL;
550 BOOL deliver_selectstring_sender_regex = FALSE;
551 #ifdef WITH_OLD_DEMIME
552 int demime_errorlevel = 0;
553 int demime_ok = 0;
554 uschar *demime_reason = NULL;
555 #endif
556 BOOL disable_callout_flush = FALSE;
557 BOOL disable_delay_flush = FALSE;
558 #ifdef ENABLE_DISABLE_FSYNC
559 BOOL disable_fsync = FALSE;
560 #endif
561 BOOL disable_ipv6 = FALSE;
562 BOOL disable_logging = FALSE;
563
564 #ifndef DISABLE_DKIM
565 uschar *dkim_cur_signer = NULL;
566 uschar *dkim_signers = NULL;
567 uschar *dkim_signing_domain = NULL;
568 uschar *dkim_signing_selector = NULL;
569 uschar *dkim_verify_signers = US"$dkim_signers";
570 BOOL dkim_collect_input = FALSE;
571 BOOL dkim_disable_verify = FALSE;
572 #endif
573
574 uschar *dns_again_means_nonexist = NULL;
575 int dns_csa_search_limit = 5;
576 BOOL dns_csa_use_reverse = TRUE;
577 uschar *dns_ipv4_lookup = NULL;
578 int dns_retrans = 0;
579 int dns_retry = 0;
580 int dns_use_dnssec = -1; /* <0 = not coerced */
581 int dns_use_edns0 = -1; /* <0 = not coerced */
582 uschar *dnslist_domain = NULL;
583 uschar *dnslist_matched = NULL;
584 uschar *dnslist_text = NULL;
585 uschar *dnslist_value = NULL;
586 tree_node *domainlist_anchor = NULL;
587 int domainlist_count = 0;
588 BOOL dont_deliver = FALSE;
589 BOOL dot_ends = TRUE;
590 BOOL drop_cr = FALSE; /* No longer used */
591 uschar *dsn_from = US DEFAULT_DSN_FROM;
592
593 BOOL enable_dollar_recipients = FALSE;
594 BOOL envelope_to_remove = TRUE;
595 int errno_quota = ERRNO_QUOTA;
596 uschar *errors_copy = NULL;
597 int error_handling = ERRORS_SENDER;
598 uschar *errors_reply_to = NULL;
599 int errors_sender_rc = EXIT_FAILURE;
600
601 gid_t exim_gid = EXIM_GID;
602 BOOL exim_gid_set = TRUE; /* This gid is always set */
603 uschar *exim_path = US BIN_DIRECTORY "/exim"
604 "\0<---------------Space to patch exim_path->";
605 uid_t exim_uid = EXIM_UID;
606 BOOL exim_uid_set = TRUE; /* This uid is always set */
607 int expand_forbid = 0;
608 int expand_nlength[EXPAND_MAXN+1];
609 int expand_nmax = -1;
610 uschar *expand_nstring[EXPAND_MAXN+1];
611 BOOL expand_string_forcedfail = FALSE;
612 uschar *expand_string_message;
613 BOOL extract_addresses_remove_arguments = TRUE;
614 uschar *extra_local_interfaces = NULL;
615
616 int fake_response = OK;
617 uschar *fake_response_text = US"Your message has been rejected but is "
618 "being kept for evaluation.\nIf it was a "
619 "legitimate message, it may still be "
620 "delivered to the target recipient(s).";
621 int filter_n[FILTER_VARIABLE_COUNT];
622 BOOL filter_running = FALSE;
623 int filter_sn[FILTER_VARIABLE_COUNT];
624 int filter_test = FTEST_NONE;
625 uschar *filter_test_sfile = NULL;
626 uschar *filter_test_ufile = NULL;
627 uschar *filter_thisaddress = NULL;
628 int finduser_retries = 0;
629 #ifdef WITH_OLD_DEMIME
630 uschar *found_extension = NULL;
631 #endif
632 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
633 uschar *freeze_tell = NULL;
634 uschar *freeze_tell_config = NULL;
635 uschar *fudged_queue_times = US"";
636
637 uschar *gecos_name = NULL;
638 uschar *gecos_pattern = NULL;
639 rewrite_rule *global_rewrite_rules = NULL;
640
641 uschar *headers_charset = US HEADERS_CHARSET;
642 int header_insert_maxlen = 64 * 1024;
643 header_line *header_last = NULL;
644 header_line *header_list = NULL;
645 int header_maxsize = HEADER_MAXSIZE;
646 int header_line_maxsize = 0;
647
648 header_name header_names[] = {
649 { US"bcc", 3, TRUE, htype_bcc },
650 { US"cc", 2, TRUE, htype_cc },
651 { US"date", 4, TRUE, htype_date },
652 { US"delivery-date", 13, FALSE, htype_delivery_date },
653 { US"envelope-to", 11, FALSE, htype_envelope_to },
654 { US"from", 4, TRUE, htype_from },
655 { US"message-id", 10, TRUE, htype_id },
656 { US"received", 8, FALSE, htype_received },
657 { US"reply-to", 8, FALSE, htype_reply_to },
658 { US"return-path", 11, FALSE, htype_return_path },
659 { US"sender", 6, TRUE, htype_sender },
660 { US"subject", 7, FALSE, htype_subject },
661 { US"to", 2, TRUE, htype_to }
662 };
663
664 int header_names_size = sizeof(header_names)/sizeof(header_name);
665
666 BOOL header_rewritten = FALSE;
667 uschar *helo_accept_junk_hosts = NULL;
668 uschar *helo_allow_chars = US"";
669 uschar *helo_lookup_domains = US"@ : @[]";
670 uschar *helo_try_verify_hosts = NULL;
671 BOOL helo_verified = FALSE;
672 BOOL helo_verify_failed = FALSE;
673 uschar *helo_verify_hosts = NULL;
674 const uschar *hex_digits = CUS"0123456789abcdef";
675 uschar *hold_domains = NULL;
676 BOOL host_checking = FALSE;
677 BOOL host_checking_callout = FALSE;
678 uschar *host_data = NULL;
679 BOOL host_find_failed_syntax= FALSE;
680 uschar *host_lookup = NULL;
681 BOOL host_lookup_deferred = FALSE;
682 BOOL host_lookup_failed = FALSE;
683 uschar *host_lookup_order = US"bydns:byaddr";
684 uschar *host_lookup_msg = US"";
685 int host_number = 0;
686 uschar *host_number_string = NULL;
687 uschar *host_reject_connection = NULL;
688 tree_node *hostlist_anchor = NULL;
689 int hostlist_count = 0;
690 uschar *hosts_treat_as_local = NULL;
691 uschar *hosts_connection_nolog = NULL;
692
693 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
694 BOOL ignore_fromline_local = FALSE;
695 uschar *ignore_fromline_hosts = NULL;
696 BOOL inetd_wait_mode = FALSE;
697 int inetd_wait_timeout = -1;
698 uschar *interface_address = NULL;
699 int interface_port = -1;
700 BOOL is_inetd = FALSE;
701 uschar *iterate_item = NULL;
702
703 int journal_fd = -1;
704
705 int keep_malformed = 4*24*60*60; /* 4 days */
706
707 uschar *eldap_dn = NULL;
708 int load_average = -2;
709 BOOL local_error_message = FALSE;
710 BOOL local_from_check = TRUE;
711 uschar *local_from_prefix = NULL;
712 uschar *local_from_suffix = NULL;
713
714 #if HAVE_IPV6
715 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
716 #else
717 uschar *local_interfaces = US"0.0.0.0";
718 #endif
719
720 uschar *local_scan_data = NULL;
721 int local_scan_timeout = 5*60;
722 BOOL local_sender_retain = FALSE;
723 gid_t local_user_gid = (gid_t)(-1);
724 uid_t local_user_uid = (uid_t)(-1);
725
726 tree_node *localpartlist_anchor= NULL;
727 int localpartlist_count = 0;
728 uschar *log_buffer = NULL;
729 unsigned int log_extra_selector = LX_default;
730 uschar *log_file_path = US LOG_FILE_PATH
731 "\0<--------------Space to patch log_file_path->";
732
733 /* Those log options with L_xxx identifiers have values less than 0x800000 and
734 are the ones that get put into log_write_selector. They can be used in calls to
735 log_write() to test for the bit. The options with LX_xxx identifiers have
736 values greater than 0x80000000 and are put into log_extra_selector (without the
737 top bit). They are never used in calls to log_write(), but are tested
738 independently. This separation became necessary when the number of log
739 selectors was getting close to filling a 32-bit word. */
740
741 /* Note that this list must be in alphabetical order. */
742
743 bit_table log_options[] = {
744 { US"8bitmime", LX_8bitmime },
745 { US"acl_warn_skipped", LX_acl_warn_skipped },
746 { US"address_rewrite", L_address_rewrite },
747 { US"all", L_all },
748 { US"all_parents", L_all_parents },
749 { US"arguments", LX_arguments },
750 { US"connection_reject", L_connection_reject },
751 { US"delay_delivery", L_delay_delivery },
752 { US"deliver_time", LX_deliver_time },
753 { US"delivery_size", LX_delivery_size },
754 { US"dnslist_defer", L_dnslist_defer },
755 { US"etrn", L_etrn },
756 { US"host_lookup_failed", L_host_lookup_failed },
757 { US"ident_timeout", LX_ident_timeout },
758 { US"incoming_interface", LX_incoming_interface },
759 { US"incoming_port", LX_incoming_port },
760 { US"lost_incoming_connection", L_lost_incoming_connection },
761 { US"outgoing_port", LX_outgoing_port },
762 { US"pid", LX_pid },
763 { US"queue_run", L_queue_run },
764 { US"queue_time", LX_queue_time },
765 { US"queue_time_overall", LX_queue_time_overall },
766 { US"received_recipients", LX_received_recipients },
767 { US"received_sender", LX_received_sender },
768 { US"rejected_header", LX_rejected_header },
769 { US"rejected_headers", LX_rejected_header },
770 { US"retry_defer", L_retry_defer },
771 { US"return_path_on_delivery", LX_return_path_on_delivery },
772 { US"sender_on_delivery", LX_sender_on_delivery },
773 { US"sender_verify_fail", LX_sender_verify_fail },
774 { US"size_reject", L_size_reject },
775 { US"skip_delivery", L_skip_delivery },
776 { US"smtp_confirmation", LX_smtp_confirmation },
777 { US"smtp_connection", L_smtp_connection },
778 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
779 { US"smtp_no_mail", LX_smtp_no_mail },
780 { US"smtp_protocol_error", L_smtp_protocol_error },
781 { US"smtp_syntax_error", L_smtp_syntax_error },
782 { US"subject", LX_subject },
783 { US"tls_certificate_verified", LX_tls_certificate_verified },
784 { US"tls_cipher", LX_tls_cipher },
785 { US"tls_peerdn", LX_tls_peerdn },
786 { US"tls_sni", LX_tls_sni },
787 { US"unknown_in_list", LX_unknown_in_list }
788 };
789
790 int log_options_count = sizeof(log_options)/sizeof(bit_table);
791 int log_reject_target = 0;
792 uschar *log_selector_string = NULL;
793 FILE *log_stderr = NULL;
794 BOOL log_testing_mode = FALSE;
795 BOOL log_timezone = FALSE;
796 unsigned int log_write_selector= L_default;
797 uschar *login_sender_address = NULL;
798 int lookup_open_max = 25;
799 uschar *lookup_value = NULL;
800
801 macro_item *macros = NULL;
802 uschar *mailstore_basename = NULL;
803 #ifdef WITH_CONTENT_SCAN
804 uschar *malware_name = NULL; /* Virus Name */
805 #endif
806 int max_received_linelength= 0;
807 int max_username_length = 0;
808 int message_age = 0;
809 uschar *message_body = NULL;
810 uschar *message_body_end = NULL;
811 BOOL message_body_newlines = FALSE;
812 int message_body_size = 0;
813 int message_body_visible = 500;
814 int message_ended = END_NOTSTARTED;
815 uschar *message_headers = NULL;
816 uschar *message_id;
817 uschar *message_id_domain = NULL;
818 uschar *message_id_text = NULL;
819 struct timeval message_id_tv = { 0, 0 };
820 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
821 uschar *message_id_external;
822 int message_linecount = 0;
823 BOOL message_logs = TRUE;
824 int message_size = 0;
825 uschar *message_size_limit = US"50M";
826 uschar message_subdir[2] = { 0, 0 };
827 uschar *message_reference = NULL;
828
829 /* MIME ACL expandables */
830 #ifdef WITH_CONTENT_SCAN
831 int mime_anomaly_level = 0;
832 const uschar *mime_anomaly_text = NULL;
833 uschar *mime_boundary = NULL;
834 uschar *mime_charset = NULL;
835 uschar *mime_content_description = NULL;
836 uschar *mime_content_disposition = NULL;
837 uschar *mime_content_id = NULL;
838 unsigned int mime_content_size = 0;
839 uschar *mime_content_transfer_encoding = NULL;
840 uschar *mime_content_type = NULL;
841 uschar *mime_decoded_filename = NULL;
842 uschar *mime_filename = NULL;
843 int mime_is_multipart = 0;
844 int mime_is_coverletter = 0;
845 int mime_is_rfc822 = 0;
846 int mime_part_count = -1;
847 #endif
848
849 BOOL mua_wrapper = FALSE;
850
851 uid_t *never_users = NULL;
852 #ifdef WITH_CONTENT_SCAN
853 BOOL no_mbox_unspool = FALSE;
854 #endif
855 BOOL no_multiline_responses = FALSE;
856
857 uid_t original_euid;
858 gid_t originator_gid;
859 uschar *originator_login = NULL;
860 uschar *originator_name = NULL;
861 uid_t originator_uid;
862 uschar *override_local_interfaces = NULL;
863 uschar *override_pid_file_path = NULL;
864
865 BOOL parse_allow_group = FALSE;
866 BOOL parse_found_group = FALSE;
867 uschar *percent_hack_domains = NULL;
868 uschar *pid_file_path = US PID_FILE_PATH
869 "\0<--------------Space to patch pid_file_path->";
870 BOOL pipelining_enable = TRUE;
871 uschar *pipelining_advertise_hosts = US"*";
872 BOOL preserve_message_logs = FALSE;
873 uschar *primary_hostname = NULL;
874 BOOL print_topbitchars = FALSE;
875 uschar process_info[PROCESS_INFO_SIZE];
876 int process_info_len = 0;
877 uschar *process_log_path = NULL;
878 BOOL prod_requires_admin = TRUE;
879 uschar *prvscheck_address = NULL;
880 uschar *prvscheck_keynum = NULL;
881 uschar *prvscheck_result = NULL;
882
883
884 uschar *qualify_domain_recipient = NULL;
885 uschar *qualify_domain_sender = NULL;
886 BOOL queue_2stage = FALSE;
887 uschar *queue_domains = NULL;
888 int queue_interval = -1;
889 BOOL queue_list_requires_admin = TRUE;
890 BOOL queue_only = FALSE;
891 uschar *queue_only_file = NULL;
892 int queue_only_load = -1;
893 BOOL queue_only_load_latch = TRUE;
894 BOOL queue_only_override = TRUE;
895 BOOL queue_only_policy = FALSE;
896 BOOL queue_run_first_delivery = FALSE;
897 BOOL queue_run_force = FALSE;
898 BOOL queue_run_in_order = FALSE;
899 BOOL queue_run_local = FALSE;
900 int queue_run_max = 5;
901 pid_t queue_run_pid = (pid_t)0;
902 int queue_run_pipe = -1;
903 BOOL queue_running = FALSE;
904 BOOL queue_smtp = FALSE;
905 uschar *queue_smtp_domains = NULL;
906
907 unsigned int random_seed = 0;
908 tree_node *ratelimiters_cmd = NULL;
909 tree_node *ratelimiters_conn = NULL;
910 tree_node *ratelimiters_mail = NULL;
911 uschar *raw_active_hostname = NULL;
912 uschar *raw_sender = NULL;
913 uschar **raw_recipients = NULL;
914 int raw_recipients_count = 0;
915
916 int rcpt_count = 0;
917 int rcpt_fail_count = 0;
918 int rcpt_defer_count = 0;
919 gid_t real_gid;
920 uid_t real_uid;
921 BOOL really_exim = TRUE;
922 BOOL receive_call_bombout = FALSE;
923 int receive_linecount = 0;
924 int receive_messagecount = 0;
925 int receive_timeout = 0;
926 int received_count = 0;
927 uschar *received_for = NULL;
928
929 /* This is the default text for Received headers generated by Exim. The
930 date will be automatically added on the end. */
931
932 uschar *received_header_text = US
933 "Received: "
934 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
935 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
936 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
937 "by $primary_hostname "
938 "${if def:received_protocol {with $received_protocol}} "
939 #ifdef SUPPORT_TLS
940 "${if def:tls_cipher {($tls_cipher)\n\t}}"
941 #endif
942 "(Exim $version_number)\n\t"
943 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
944 "id $message_exim_id"
945 "${if def:received_for {\n\tfor $received_for}}"
946 "\0<---------------Space to patch received_header_text->";
947
948 int received_headers_max = 30;
949 uschar *received_protocol = NULL;
950 int received_time = 0;
951 uschar *recipient_data = NULL;
952 uschar *recipient_unqualified_hosts = NULL;
953 uschar *recipient_verify_failure = NULL;
954 int recipients_count = 0;
955 BOOL recipients_discarded = FALSE;
956 recipient_item *recipients_list = NULL;
957 int recipients_list_max = 0;
958 int recipients_max = 0;
959 BOOL recipients_max_reject = FALSE;
960 const pcre *regex_AUTH = NULL;
961 const pcre *regex_check_dns_names = NULL;
962 const pcre *regex_From = NULL;
963 const pcre *regex_IGNOREQUOTA = NULL;
964 const pcre *regex_PIPELINING = NULL;
965 const pcre *regex_SIZE = NULL;
966 const pcre *regex_smtp_code = NULL;
967 const pcre *regex_ismsgid = NULL;
968 #ifdef WHITELIST_D_MACROS
969 const pcre *regex_whitelisted_macro = NULL;
970 #endif
971 #ifdef WITH_CONTENT_SCAN
972 uschar *regex_match_string = NULL;
973 #endif
974 int remote_delivery_count = 0;
975 int remote_max_parallel = 2;
976 uschar *remote_sort_domains = NULL;
977 int retry_data_expire = 7*24*60*60;
978 int retry_interval_max = 24*60*60;
979 int retry_maximum_timeout = 0; /* set from retry config */
980 retry_config *retries = NULL;
981 uschar *return_path = NULL;
982 BOOL return_path_remove = TRUE;
983 int rewrite_existflags = 0;
984 uschar *rfc1413_hosts = US"*";
985 int rfc1413_query_timeout = 5;
986 /* BOOL rfc821_domains = FALSE; <<< on the way out */
987 uid_t root_gid = ROOT_GID;
988 uid_t root_uid = ROOT_UID;
989
990 router_instance *routers = NULL;
991 router_instance router_defaults = {
992 NULL, /* chain pointer */
993 NULL, /* name */
994 NULL, /* info */
995 NULL, /* private options block pointer */
996 NULL, /* driver name */
997
998 NULL, /* address_data */
999 #ifdef EXPERIMENTAL_BRIGHTMAIL
1000 NULL, /* bmi_rule */
1001 #endif
1002 NULL, /* cannot_route_message */
1003 NULL, /* condition */
1004 NULL, /* current_directory */
1005 NULL, /* debug_string */
1006 NULL, /* domains */
1007 NULL, /* errors_to */
1008 NULL, /* expand_gid */
1009 NULL, /* expand_uid */
1010 NULL, /* expand_more */
1011 NULL, /* expand_unseen */
1012 NULL, /* extra_headers */
1013 NULL, /* fallback_hosts */
1014 NULL, /* home_directory */
1015 NULL, /* ignore_target_hosts */
1016 NULL, /* local_parts */
1017 NULL, /* pass_router_name */
1018 NULL, /* prefix */
1019 NULL, /* redirect_router_name */
1020 NULL, /* remove_headers */
1021 NULL, /* require_files */
1022 NULL, /* router_home_directory */
1023 US"freeze", /* self */
1024 NULL, /* senders */
1025 NULL, /* suffix */
1026 NULL, /* translate_ip_address */
1027 NULL, /* transport_name */
1028
1029 TRUE, /* address_test */
1030 #ifdef EXPERIMENTAL_BRIGHTMAIL
1031 FALSE, /* bmi_deliver_alternate */
1032 FALSE, /* bmi_deliver_default */
1033 FALSE, /* bmi_dont_deliver */
1034 #endif
1035 TRUE, /* expn */
1036 FALSE, /* caseful_local_part */
1037 FALSE, /* check_local_user */
1038 FALSE, /* disable_logging */
1039 FALSE, /* fail_verify_recipient */
1040 FALSE, /* fail_verify_sender */
1041 FALSE, /* gid_set */
1042 FALSE, /* initgroups */
1043 TRUE_UNSET, /* log_as_local */
1044 TRUE, /* more */
1045 FALSE, /* pass_on_timeout */
1046 FALSE, /* prefix_optional */
1047 TRUE, /* repeat_use */
1048 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1049 FALSE, /* same_domain_copy_routing */
1050 FALSE, /* self_rewrite */
1051 FALSE, /* suffix_optional */
1052 FALSE, /* verify_only */
1053 TRUE, /* verify_recipient */
1054 TRUE, /* verify_sender */
1055 FALSE, /* uid_set */
1056 FALSE, /* unseen */
1057
1058 self_freeze, /* self_code */
1059 (uid_t)(-1), /* uid */
1060 (gid_t)(-1), /* gid */
1061
1062 NULL, /* fallback_hostlist */
1063 NULL, /* transport instance */
1064 NULL, /* pass_router */
1065 NULL /* redirect_router */
1066 };
1067
1068 ip_address_item *running_interfaces = NULL;
1069 BOOL running_in_test_harness = FALSE;
1070
1071 /* This is a weird one. The following string gets patched in the binary by the
1072 script that sets up a copy of Exim for running in the test harness. It seems
1073 that compilers are now clever, and share constant strings if they can.
1074 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1075 make use of the end of this string in order to save space. So the patching then
1076 wrecks this. We defeat this optimization by adding some additional characters
1077 onto the end of the string. */
1078
1079 uschar *running_status = US">>>running<<<" "\0EXTRA";
1080
1081 int runrc = 0;
1082
1083 uschar *search_error_message = NULL;
1084 BOOL search_find_defer = FALSE;
1085 uschar *self_hostname = NULL;
1086 uschar *sender_address = NULL;
1087 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1088 uschar *sender_address_data = NULL;
1089 BOOL sender_address_forced = FALSE;
1090 uschar *sender_address_unrewritten = NULL;
1091 uschar *sender_data = NULL;
1092 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1093 uschar *sender_fullhost = NULL;
1094 uschar *sender_helo_name = NULL;
1095 uschar **sender_host_aliases = &no_aliases;
1096 uschar *sender_host_address = NULL;
1097 uschar *sender_host_authenticated = NULL;
1098 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1099 BOOL sender_host_dnssec = FALSE;
1100 uschar *sender_host_name = NULL;
1101 int sender_host_port = 0;
1102 BOOL sender_host_notsocket = FALSE;
1103 BOOL sender_host_unknown = FALSE;
1104 uschar *sender_ident = NULL;
1105 BOOL sender_local = FALSE;
1106 BOOL sender_name_forced = FALSE;
1107 uschar *sender_rate = NULL;
1108 uschar *sender_rate_limit = NULL;
1109 uschar *sender_rate_period = NULL;
1110 uschar *sender_rcvhost = NULL;
1111 BOOL sender_set_untrusted = FALSE;
1112 uschar *sender_unqualified_hosts = NULL;
1113 uschar *sender_verify_failure = NULL;
1114 address_item *sender_verified_list = NULL;
1115 address_item *sender_verified_failed = NULL;
1116 int sender_verified_rc = -1;
1117 BOOL sender_verified_responded = FALSE;
1118 uschar *sending_ip_address = NULL;
1119 int sending_port = -1;
1120 SIGNAL_BOOL sigalrm_seen = FALSE;
1121 uschar **sighup_argv = NULL;
1122 int smtp_accept_count = 0;
1123 BOOL smtp_accept_keepalive = TRUE;
1124 int smtp_accept_max = 20;
1125 int smtp_accept_max_nonmail= 10;
1126 uschar *smtp_accept_max_nonmail_hosts = US"*";
1127 int smtp_accept_max_per_connection = 1000;
1128 uschar *smtp_accept_max_per_host = NULL;
1129 int smtp_accept_queue = 0;
1130 int smtp_accept_queue_per_connection = 10;
1131 int smtp_accept_reserve = 0;
1132 uschar *smtp_active_hostname = NULL;
1133 BOOL smtp_authenticated = FALSE;
1134 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1135 "Exim $version_number $tod_full"
1136 "\0<---------------Space to patch smtp_banner->";
1137 BOOL smtp_batched_input = FALSE;
1138 BOOL smtp_check_spool_space = TRUE;
1139 int smtp_ch_index = 0;
1140 uschar *smtp_cmd_argument = NULL;
1141 uschar *smtp_cmd_buffer = NULL;
1142 time_t smtp_connection_start = 0;
1143 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1144 int smtp_connect_backlog = 20;
1145 double smtp_delay_mail = 0.0;
1146 double smtp_delay_rcpt = 0.0;
1147 BOOL smtp_enforce_sync = TRUE;
1148 FILE *smtp_in = NULL;
1149 BOOL smtp_input = FALSE;
1150 int smtp_load_reserve = -1;
1151 int smtp_mailcmd_count = 0;
1152 FILE *smtp_out = NULL;
1153 uschar *smtp_etrn_command = NULL;
1154 BOOL smtp_etrn_serialize = TRUE;
1155 int smtp_max_synprot_errors= 3;
1156 int smtp_max_unknown_commands = 3;
1157 uschar *smtp_notquit_reason = NULL;
1158 uschar *smtp_ratelimit_hosts = NULL;
1159 uschar *smtp_ratelimit_mail = NULL;
1160 uschar *smtp_ratelimit_rcpt = NULL;
1161 uschar *smtp_read_error = US"";
1162 int smtp_receive_timeout = 5*60;
1163 uschar *smtp_reserve_hosts = NULL;
1164 BOOL smtp_return_error_details = FALSE;
1165 int smtp_rlm_base = 0;
1166 double smtp_rlm_factor = 0.0;
1167 int smtp_rlm_limit = 0;
1168 int smtp_rlm_threshold = INT_MAX;
1169 int smtp_rlr_base = 0;
1170 double smtp_rlr_factor = 0.0;
1171 int smtp_rlr_limit = 0;
1172 int smtp_rlr_threshold = INT_MAX;
1173 BOOL smtp_use_pipelining = FALSE;
1174 BOOL smtp_use_size = FALSE;
1175
1176 #ifdef WITH_CONTENT_SCAN
1177 uschar *spamd_address = US"127.0.0.1 783";
1178 uschar *spam_bar = NULL;
1179 uschar *spam_report = NULL;
1180 uschar *spam_score = NULL;
1181 uschar *spam_score_int = NULL;
1182 #endif
1183 #ifdef EXPERIMENTAL_SPF
1184 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1185 uschar *spf_header_comment = NULL;
1186 uschar *spf_received = NULL;
1187 uschar *spf_result = NULL;
1188 uschar *spf_smtp_comment = NULL;
1189 #endif
1190
1191 BOOL split_spool_directory = FALSE;
1192 uschar *spool_directory = US SPOOL_DIRECTORY
1193 "\0<--------------Space to patch spool_directory->";
1194 #ifdef EXPERIMENTAL_SRS
1195 uschar *srs_config = NULL;
1196 uschar *srs_db_address = NULL;
1197 uschar *srs_db_key = NULL;
1198 int srs_hashlength = 6;
1199 int srs_hashmin = -1;
1200 int srs_maxage = 31;
1201 uschar *srs_orig_recipient = NULL;
1202 uschar *srs_orig_sender = NULL;
1203 uschar *srs_recipient = NULL;
1204 uschar *srs_secrets = NULL;
1205 uschar *srs_status = NULL;
1206 BOOL srs_usehash = TRUE;
1207 BOOL srs_usetimestamp = TRUE;
1208 #endif
1209 BOOL strict_acl_vars = FALSE;
1210 int string_datestamp_offset= -1;
1211 int string_datestamp_length= 0;
1212 int string_datestamp_type = -1;
1213 BOOL strip_excess_angle_brackets = FALSE;
1214 BOOL strip_trailing_dot = FALSE;
1215 uschar *submission_domain = NULL;
1216 BOOL submission_mode = FALSE;
1217 uschar *submission_name = NULL;
1218 BOOL suppress_local_fixups = FALSE;
1219 BOOL suppress_local_fixups_default = FALSE;
1220 BOOL synchronous_delivery = FALSE;
1221 BOOL syslog_duplication = TRUE;
1222 int syslog_facility = LOG_MAIL;
1223 uschar *syslog_processname = US"exim";
1224 BOOL syslog_timestamp = TRUE;
1225 uschar *system_filter = NULL;
1226
1227 uschar *system_filter_directory_transport = NULL;
1228 uschar *system_filter_file_transport = NULL;
1229 uschar *system_filter_pipe_transport = NULL;
1230 uschar *system_filter_reply_transport = NULL;
1231
1232 gid_t system_filter_gid = 0;
1233 BOOL system_filter_gid_set = FALSE;
1234 uid_t system_filter_uid = (uid_t)-1;
1235 BOOL system_filter_uid_set = FALSE;
1236 BOOL system_filtering = FALSE;
1237
1238 BOOL tcp_nodelay = TRUE;
1239 #ifdef USE_TCP_WRAPPERS
1240 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1241 #endif
1242 int test_harness_load_avg = 0;
1243 int thismessage_size_limit = 0;
1244 int timeout_frozen_after = 0;
1245 BOOL timestamps_utc = FALSE;
1246
1247 transport_instance *transports = NULL;
1248
1249 transport_instance transport_defaults = {
1250 NULL, /* chain pointer */
1251 NULL, /* name */
1252 NULL, /* info */
1253 NULL, /* private options block pointer */
1254 NULL, /* driver name */
1255 NULL, /* setup entry point */
1256 1, /* batch_max */
1257 NULL, /* batch_id */
1258 NULL, /* home_dir */
1259 NULL, /* current_dir */
1260 TRUE, /* multi-domain */
1261 FALSE, /* overrides_hosts */
1262 100, /* max_addresses */
1263 500, /* connection_max_messages */
1264 FALSE, /* deliver_as_creator */
1265 FALSE, /* disable_logging */
1266 FALSE, /* initgroups */
1267 FALSE, /* uid_set */
1268 FALSE, /* gid_set */
1269 (uid_t)(-1), /* uid */
1270 (gid_t)(-1), /* gid */
1271 NULL, /* expand_uid */
1272 NULL, /* expand_gid */
1273 NULL, /* warn_message */
1274 NULL, /* shadow */
1275 NULL, /* shadow_condition */
1276 NULL, /* filter_command */
1277 NULL, /* add_headers */
1278 NULL, /* remove_headers */
1279 NULL, /* return_path */
1280 NULL, /* debug_string */
1281 NULL, /* message_size_limit */
1282 NULL, /* headers_rewrite */
1283 NULL, /* rewrite_rules */
1284 0, /* rewrite_existflags */
1285 300, /* filter_timeout */
1286 FALSE, /* body_only */
1287 FALSE, /* delivery_date_add */
1288 FALSE, /* envelope_to_add */
1289 FALSE, /* headers_only */
1290 FALSE, /* rcpt_include_affixes */
1291 FALSE, /* return_path_add */
1292 FALSE, /* return_output */
1293 FALSE, /* return_fail_output */
1294 FALSE, /* log_output */
1295 FALSE, /* log_fail_output */
1296 FALSE, /* log_defer_output */
1297 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1298 1 nor 0 so can detect unset */
1299 };
1300
1301 int transport_count;
1302 int transport_newlines;
1303 uschar **transport_filter_argv = NULL;
1304 int transport_filter_timeout;
1305 BOOL transport_filter_timed_out = FALSE;
1306 int transport_write_timeout= 0;
1307
1308 tree_node *tree_dns_fails = NULL;
1309 tree_node *tree_duplicates = NULL;
1310 tree_node *tree_nonrecipients = NULL;
1311 tree_node *tree_unusable = NULL;
1312
1313 BOOL trusted_caller = FALSE;
1314 BOOL trusted_config = TRUE;
1315 gid_t *trusted_groups = NULL;
1316 uid_t *trusted_users = NULL;
1317 uschar *timezone_string = US TIMEZONE_DEFAULT;
1318
1319 uschar *unknown_login = NULL;
1320 uschar *unknown_username = NULL;
1321 uschar *untrusted_set_sender = NULL;
1322
1323 /* A regex for matching a "From_" line in an incoming message, in the form
1324
1325 From ph10 Fri Jan 5 12:35 GMT 1996
1326
1327 which the "mail" commands send to the MTA (undocumented, of course), or in
1328 the form
1329
1330 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1331
1332 which is apparently used by some UUCPs, despite it not being in RFC 976.
1333 Because of variations in time formats, just match up to the minutes. That
1334 should be sufficient. Examples have been seen of time fields like 12:1:03,
1335 so just require one digit for hours and minutes. The weekday is also absent
1336 in some forms. */
1337
1338 uschar *uucp_from_pattern = US
1339 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1340 "(?:" /* Non-extracting bracket */
1341 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1342 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1343 ")" /* End alternation */
1344 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1345
1346 uschar *uucp_from_sender = US"$1";
1347
1348 uschar *warn_message_file = NULL;
1349 uschar *warnmsg_delay = NULL;
1350 uschar *warnmsg_recipients = NULL;
1351 BOOL write_rejectlog = TRUE;
1352
1353 uschar *version_copyright =
1354 US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1355 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1356 uschar *version_date = US"?";
1357 uschar *version_cnumber = US"????";
1358 uschar *version_string = US"?";
1359
1360 int warning_count = 0;
1361
1362 /* End of globals.c */