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5dff0ee4bfffe2ecfed1698259aec3c33452aef3
[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 { "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 tls_support tls_in = {
97 -1, /* tls_active */
98 0, /* tls_bits */
99 FALSE,/* tls_certificate_verified */
100 NULL, /* tls_cipher */
101 FALSE,/* tls_on_connect */
102 NULL, /* tls_on_connect_ports */
103 NULL, /* tls_peerdn */
104 NULL /* tls_sni */
105 };
106 tls_support tls_out = {
107 -1, /* tls_active */
108 0, /* tls_bits */
109 FALSE,/* tls_certificate_verified */
110 NULL, /* tls_cipher */
111 FALSE,/* tls_on_connect */
112 NULL, /* tls_on_connect_ports */
113 NULL, /* tls_peerdn */
114 NULL /* tls_sni */
115 };
116
117
118 #ifdef SUPPORT_TLS
119 BOOL gnutls_compat_mode = FALSE;
120 BOOL gnutls_enable_pkcs11 = FALSE;
121 uschar *gnutls_require_mac = NULL;
122 uschar *gnutls_require_kx = NULL;
123 uschar *gnutls_require_proto = NULL;
124 uschar *openssl_options = NULL;
125 const pcre *regex_STARTTLS = NULL;
126 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
127 uschar *tls_certificate = NULL;
128 uschar *tls_crl = NULL;
129 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
130 that's the interop problem which has been observed: GnuTLS suggesting a higher
131 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
132 int tls_dh_max_bits = 2236;
133 uschar *tls_dhparam = NULL;
134 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
135 uschar *tls_ocsp_file = NULL;
136 #endif
137 BOOL tls_offered = FALSE;
138 uschar *tls_privatekey = NULL;
139 BOOL tls_remember_esmtp = FALSE;
140 uschar *tls_require_ciphers = NULL;
141 uschar *tls_try_verify_hosts = NULL;
142 uschar *tls_verify_certificates= NULL;
143 uschar *tls_verify_hosts = NULL;
144 #endif
145
146
147 /* Input-reading functions for messages, so we can use special ones for
148 incoming TCP/IP. The defaults use stdin. We never need these for any
149 stand-alone tests. */
150
151 #ifndef STAND_ALONE
152 int (*receive_getc)(void) = stdin_getc;
153 int (*receive_ungetc)(int) = stdin_ungetc;
154 int (*receive_feof)(void) = stdin_feof;
155 int (*receive_ferror)(void) = stdin_ferror;
156 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
157 #endif
158
159
160 /* List of per-address expansion variables for clearing and saving/restoring
161 when verifying one address while routing/verifying another. We have to have
162 the size explicit, because it is referenced from more than one module. */
163
164 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
165 &deliver_address_data,
166 &deliver_domain,
167 &deliver_domain_data,
168 &deliver_domain_orig,
169 &deliver_domain_parent,
170 &deliver_localpart,
171 &deliver_localpart_data,
172 &deliver_localpart_orig,
173 &deliver_localpart_parent,
174 &deliver_localpart_prefix,
175 &deliver_localpart_suffix,
176 (uschar **)(&deliver_recipients),
177 &deliver_host,
178 &deliver_home,
179 &address_file,
180 &address_pipe,
181 &self_hostname,
182 NULL };
183
184 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
185
186 /* General global variables */
187
188 header_line *acl_added_headers = NULL;
189 tree_node *acl_anchor = NULL;
190 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
191 NULL, NULL, NULL, NULL};
192 int acl_narg = 0;
193
194 uschar *acl_not_smtp = NULL;
195 #ifdef WITH_CONTENT_SCAN
196 uschar *acl_not_smtp_mime = NULL;
197 #endif
198 uschar *acl_not_smtp_start = NULL;
199 uschar *acl_removed_headers = NULL;
200 uschar *acl_smtp_auth = NULL;
201 uschar *acl_smtp_connect = NULL;
202 uschar *acl_smtp_data = NULL;
203 #ifndef DISABLE_DKIM
204 uschar *acl_smtp_dkim = NULL;
205 #endif
206 uschar *acl_smtp_etrn = NULL;
207 uschar *acl_smtp_expn = NULL;
208 uschar *acl_smtp_helo = NULL;
209 uschar *acl_smtp_mail = NULL;
210 uschar *acl_smtp_mailauth = NULL;
211 #ifdef WITH_CONTENT_SCAN
212 uschar *acl_smtp_mime = NULL;
213 #endif
214 uschar *acl_smtp_notquit = NULL;
215 uschar *acl_smtp_predata = NULL;
216 uschar *acl_smtp_quit = NULL;
217 uschar *acl_smtp_rcpt = NULL;
218 uschar *acl_smtp_starttls = NULL;
219 uschar *acl_smtp_vrfy = NULL;
220
221 BOOL acl_temp_details = FALSE;
222 tree_node *acl_var_c = NULL;
223 tree_node *acl_var_m = NULL;
224 uschar *acl_verify_message = NULL;
225 string_item *acl_warn_logged = NULL;
226
227 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
228 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
229
230 uschar *acl_wherenames[] = { US"RCPT",
231 US"MAIL",
232 US"PREDATA",
233 US"MIME",
234 US"DKIM",
235 US"DATA",
236 US"non-SMTP",
237 US"AUTH",
238 US"connection",
239 US"ETRN",
240 US"EXPN",
241 US"EHLO or HELO",
242 US"MAILAUTH",
243 US"non-SMTP-start",
244 US"NOTQUIT",
245 US"QUIT",
246 US"STARTTLS",
247 US"VRFY",
248 US"delivery",
249 US"unknown"
250 };
251
252 uschar *acl_wherecodes[] = { US"550", /* RCPT */
253 US"550", /* MAIL */
254 US"550", /* PREDATA */
255 US"550", /* MIME */
256 US"550", /* DKIM */
257 US"550", /* DATA */
258 US"0", /* not SMTP; not relevant */
259 US"503", /* AUTH */
260 US"550", /* connect */
261 US"458", /* ETRN */
262 US"550", /* EXPN */
263 US"550", /* HELO/EHLO */
264 US"0", /* MAILAUTH; not relevant */
265 US"0", /* not SMTP; not relevant */
266 US"0", /* NOTQUIT; not relevant */
267 US"0", /* QUIT; not relevant */
268 US"550", /* STARTTLS */
269 US"252", /* VRFY */
270 US"0", /* delivery; not relevant */
271 US"0" /* unknown; not relevant */
272 };
273
274 BOOL active_local_from_check = FALSE;
275 BOOL active_local_sender_retain = FALSE;
276 int body_8bitmime = 0;
277 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
278 address_item *addr_duplicate = NULL;
279
280 address_item address_defaults = {
281 NULL, /* next */
282 NULL, /* parent */
283 NULL, /* first */
284 NULL, /* dupof */
285 NULL, /* start_router */
286 NULL, /* router */
287 NULL, /* transport */
288 NULL, /* host_list */
289 NULL, /* host_used */
290 NULL, /* fallback_hosts */
291 NULL, /* reply */
292 NULL, /* retries */
293 NULL, /* address */
294 NULL, /* unique */
295 NULL, /* cc_local_part */
296 NULL, /* lc_local_part */
297 NULL, /* local_part */
298 NULL, /* prefix */
299 NULL, /* suffix */
300 NULL, /* domain */
301 NULL, /* address_retry_key */
302 NULL, /* domain_retry_key */
303 NULL, /* current_dir */
304 NULL, /* home_dir */
305 NULL, /* message */
306 NULL, /* user_message */
307 NULL, /* onetime_parent */
308 NULL, /* pipe_expandn */
309 NULL, /* return_filename */
310 NULL, /* self_hostname */
311 NULL, /* shadow_message */
312 #ifdef SUPPORT_TLS
313 NULL, /* cipher */
314 NULL, /* peerdn */
315 #endif
316 (uid_t)(-1), /* uid */
317 (gid_t)(-1), /* gid */
318 0, /* flags */
319 { 0 }, /* domain_cache - any larger array should be zeroed */
320 { 0 }, /* localpart_cache - ditto */
321 -1, /* mode */
322 0, /* more_errno */
323 ERRNO_UNKNOWNERROR, /* basic_errno */
324 0, /* child_count */
325 -1, /* return_file */
326 SPECIAL_NONE, /* special_action */
327 DEFER, /* transport_return */
328 { /* fields that are propagated to children */
329 NULL, /* address_data */
330 NULL, /* domain_data */
331 NULL, /* localpart_data */
332 NULL, /* errors_address */
333 NULL, /* extra_headers */
334 NULL, /* remove_headers */
335 #ifdef EXPERIMENTAL_SRS
336 NULL, /* srs_sender */
337 #endif
338 }
339 };
340
341 uschar *address_file = NULL;
342 uschar *address_pipe = NULL;
343 BOOL address_test_mode = FALSE;
344 tree_node *addresslist_anchor = NULL;
345 int addresslist_count = 0;
346 gid_t *admin_groups = NULL;
347 BOOL admin_user = FALSE;
348 BOOL allow_auth_unadvertised= FALSE;
349 BOOL allow_domain_literals = FALSE;
350 BOOL allow_mx_to_ip = FALSE;
351 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
352 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
353 BOOL allow_utf8_domains = FALSE;
354 uschar *authenticated_id = NULL;
355 uschar *authenticated_sender = NULL;
356 BOOL authentication_failed = FALSE;
357 auth_instance *auths = NULL;
358 uschar *auth_advertise_hosts = US"*";
359 auth_instance auth_defaults = {
360 NULL, /* chain pointer */
361 NULL, /* name */
362 NULL, /* info */
363 NULL, /* private options block pointer */
364 NULL, /* driver_name */
365 NULL, /* advertise_condition */
366 NULL, /* client_condition */
367 NULL, /* public_name */
368 NULL, /* set_id */
369 NULL, /* server_mail_auth_condition */
370 NULL, /* server_debug_string */
371 NULL, /* server_condition */
372 FALSE, /* client */
373 FALSE, /* server */
374 FALSE /* advertised */
375 };
376
377 uschar *auth_defer_msg = US"reason not recorded";
378 uschar *auth_defer_user_msg = US"";
379 uschar *auth_vars[AUTH_VARS];
380 int auto_thaw = 0;
381 #ifdef WITH_CONTENT_SCAN
382 BOOL av_failed = FALSE;
383 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
384 #endif
385
386 BOOL background_daemon = TRUE;
387
388 #if BASE_62 == 62
389 uschar *base62_chars=
390 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
391 #else
392 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
393 #endif
394
395 uschar *bi_command = NULL;
396 uschar *big_buffer = NULL;
397 int big_buffer_size = BIG_BUFFER_SIZE;
398 #ifdef EXPERIMENTAL_BRIGHTMAIL
399 uschar *bmi_alt_location = NULL;
400 uschar *bmi_base64_tracker_verdict = NULL;
401 uschar *bmi_base64_verdict = NULL;
402 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
403 int bmi_deliver = 1;
404 int bmi_run = 0;
405 uschar *bmi_verdicts = NULL;
406 #endif
407 int body_linecount = 0;
408 int body_zerocount = 0;
409 uschar *bounce_message_file = NULL;
410 uschar *bounce_message_text = NULL;
411 uschar *bounce_recipient = NULL;
412 BOOL bounce_return_body = TRUE;
413 BOOL bounce_return_message = TRUE;
414 int bounce_return_size_limit = 100*1024;
415 uschar *bounce_sender_authentication = NULL;
416 int bsmtp_transaction_linecount = 0;
417
418 int callout_cache_domain_positive_expire = 7*24*60*60;
419 int callout_cache_domain_negative_expire = 3*60*60;
420 int callout_cache_positive_expire = 24*60*60;
421 int callout_cache_negative_expire = 2*60*60;
422 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
423 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
424 int check_log_inodes = 0;
425 int check_log_space = 0;
426 BOOL check_rfc2047_length = TRUE;
427 int check_spool_inodes = 0;
428 int check_spool_space = 0;
429 int clmacro_count = 0;
430 uschar *clmacros[MAX_CLMACROS];
431 BOOL config_changed = FALSE;
432 FILE *config_file = NULL;
433 uschar *config_filename = NULL;
434 int config_lineno = 0;
435 #ifdef CONFIGURE_GROUP
436 gid_t config_gid = CONFIGURE_GROUP;
437 #endif
438 uschar *config_main_filelist = US CONFIGURE_FILE
439 "\0<-----------Space to patch configure_filename->";
440 uschar *config_main_filename = NULL;
441
442 #ifdef CONFIGURE_OWNER
443 uid_t config_uid = CONFIGURE_OWNER;
444 #endif
445
446 int connection_max_messages= -1;
447 uschar *continue_hostname = NULL;
448 uschar *continue_host_address = NULL;
449 BOOL continue_more = FALSE;
450 int continue_sequence = 1;
451 uschar *continue_transport = NULL;
452
453 uschar *csa_status = NULL;
454 BOOL cutthrough_delivery = FALSE;
455 int cutthrough_fd = -1;
456
457 BOOL daemon_listen = FALSE;
458 uschar *daemon_smtp_port = US"smtp";
459 int daemon_startup_retries = 9;
460 int daemon_startup_sleep = 30;
461
462 #ifdef EXPERIMENTAL_DCC
463 BOOL dcc_direct_add_header = FALSE;
464 uschar *dcc_header = NULL;
465 uschar *dcc_result = NULL;
466 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
467 uschar *dccifd_options = US"header";
468 #endif
469
470 BOOL debug_daemon = FALSE;
471 int debug_fd = -1;
472 FILE *debug_file = NULL;
473 bit_table debug_options[] = {
474 { US"acl", D_acl },
475 { US"all", D_all },
476 { US"auth", D_auth },
477 { US"deliver", D_deliver },
478 { US"dns", D_dns },
479 { US"dnsbl", D_dnsbl },
480 { US"exec", D_exec },
481 { US"expand", D_expand },
482 { US"filter", D_filter },
483 { US"hints_lookup", D_hints_lookup },
484 { US"host_lookup", D_host_lookup },
485 { US"ident", D_ident },
486 { US"interface", D_interface },
487 { US"lists", D_lists },
488 { US"load", D_load },
489 { US"local_scan", D_local_scan },
490 { US"lookup", D_lookup },
491 { US"memory", D_memory },
492 { US"pid", D_pid },
493 { US"process_info", D_process_info },
494 { US"queue_run", D_queue_run },
495 { US"receive", D_receive },
496 { US"resolver", D_resolver },
497 { US"retry", D_retry },
498 { US"rewrite", D_rewrite },
499 { US"route", D_route },
500 { US"timestamp", D_timestamp },
501 { US"tls", D_tls },
502 { US"transport", D_transport },
503 { US"uid", D_uid },
504 { US"verify", D_verify }
505 };
506 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
507 unsigned int debug_selector = 0;
508 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
509 uschar *delay_warning_condition=
510 US"${if or {"
511 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
512 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
513 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
514 "} {no}{yes}}";
515 BOOL delivery_date_remove = TRUE;
516 uschar *deliver_address_data = NULL;
517 int deliver_datafile = -1;
518 uschar *deliver_domain = NULL;
519 uschar *deliver_domain_data = NULL;
520 uschar *deliver_domain_orig = NULL;
521 uschar *deliver_domain_parent = NULL;
522 BOOL deliver_drop_privilege = FALSE;
523 BOOL deliver_firsttime = FALSE;
524 BOOL deliver_force = FALSE;
525 BOOL deliver_freeze = FALSE;
526 int deliver_frozen_at = 0;
527 uschar *deliver_home = NULL;
528 uschar *deliver_host = NULL;
529 uschar *deliver_host_address = NULL;
530 uschar *deliver_in_buffer = NULL;
531 ino_t deliver_inode = 0;
532 uschar *deliver_localpart = NULL;
533 uschar *deliver_localpart_data = NULL;
534 uschar *deliver_localpart_orig = NULL;
535 uschar *deliver_localpart_parent = NULL;
536 uschar *deliver_localpart_prefix = NULL;
537 uschar *deliver_localpart_suffix = NULL;
538 BOOL deliver_force_thaw = FALSE;
539 BOOL deliver_manual_thaw = FALSE;
540 uschar *deliver_out_buffer = NULL;
541 int deliver_queue_load_max = -1;
542 address_item *deliver_recipients = NULL;
543 uschar *deliver_selectstring = NULL;
544 BOOL deliver_selectstring_regex = FALSE;
545 uschar *deliver_selectstring_sender = NULL;
546 BOOL deliver_selectstring_sender_regex = FALSE;
547 #ifdef WITH_OLD_DEMIME
548 int demime_errorlevel = 0;
549 int demime_ok = 0;
550 uschar *demime_reason = NULL;
551 #endif
552 BOOL disable_callout_flush = FALSE;
553 BOOL disable_delay_flush = FALSE;
554 #ifdef ENABLE_DISABLE_FSYNC
555 BOOL disable_fsync = FALSE;
556 #endif
557 BOOL disable_ipv6 = FALSE;
558 BOOL disable_logging = FALSE;
559
560 #ifndef DISABLE_DKIM
561 uschar *dkim_cur_signer = NULL;
562 uschar *dkim_signers = NULL;
563 uschar *dkim_signing_domain = NULL;
564 uschar *dkim_signing_selector = NULL;
565 uschar *dkim_verify_signers = US"$dkim_signers";
566 BOOL dkim_collect_input = FALSE;
567 BOOL dkim_disable_verify = FALSE;
568 #endif
569
570 uschar *dns_again_means_nonexist = NULL;
571 int dns_csa_search_limit = 5;
572 BOOL dns_csa_use_reverse = TRUE;
573 uschar *dns_ipv4_lookup = NULL;
574 int dns_retrans = 0;
575 int dns_retry = 0;
576 int dns_use_dnssec = -1; /* <0 = not coerced */
577 int dns_use_edns0 = -1; /* <0 = not coerced */
578 uschar *dnslist_domain = NULL;
579 uschar *dnslist_matched = NULL;
580 uschar *dnslist_text = NULL;
581 uschar *dnslist_value = NULL;
582 tree_node *domainlist_anchor = NULL;
583 int domainlist_count = 0;
584 BOOL dont_deliver = FALSE;
585 BOOL dot_ends = TRUE;
586 BOOL drop_cr = FALSE; /* No longer used */
587 uschar *dsn_from = US DEFAULT_DSN_FROM;
588
589 BOOL enable_dollar_recipients = FALSE;
590 BOOL envelope_to_remove = TRUE;
591 int errno_quota = ERRNO_QUOTA;
592 uschar *errors_copy = NULL;
593 int error_handling = ERRORS_SENDER;
594 uschar *errors_reply_to = NULL;
595 int errors_sender_rc = EXIT_FAILURE;
596
597 gid_t exim_gid = EXIM_GID;
598 BOOL exim_gid_set = TRUE; /* This gid is always set */
599 uschar *exim_path = US BIN_DIRECTORY "/exim"
600 "\0<---------------Space to patch exim_path->";
601 uid_t exim_uid = EXIM_UID;
602 BOOL exim_uid_set = TRUE; /* This uid is always set */
603 int expand_forbid = 0;
604 int expand_nlength[EXPAND_MAXN+1];
605 int expand_nmax = -1;
606 uschar *expand_nstring[EXPAND_MAXN+1];
607 BOOL expand_string_forcedfail = FALSE;
608 uschar *expand_string_message;
609 BOOL extract_addresses_remove_arguments = TRUE;
610 uschar *extra_local_interfaces = NULL;
611
612 int fake_response = OK;
613 uschar *fake_response_text = US"Your message has been rejected but is "
614 "being kept for evaluation.\nIf it was a "
615 "legitimate message, it may still be "
616 "delivered to the target recipient(s).";
617 int filter_n[FILTER_VARIABLE_COUNT];
618 BOOL filter_running = FALSE;
619 int filter_sn[FILTER_VARIABLE_COUNT];
620 int filter_test = FTEST_NONE;
621 uschar *filter_test_sfile = NULL;
622 uschar *filter_test_ufile = NULL;
623 uschar *filter_thisaddress = NULL;
624 int finduser_retries = 0;
625 #ifdef WITH_OLD_DEMIME
626 uschar *found_extension = NULL;
627 #endif
628 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
629 uschar *freeze_tell = NULL;
630 uschar *freeze_tell_config = NULL;
631 uschar *fudged_queue_times = US"";
632
633 uschar *gecos_name = NULL;
634 uschar *gecos_pattern = NULL;
635 rewrite_rule *global_rewrite_rules = NULL;
636
637 uschar *headers_charset = US HEADERS_CHARSET;
638 int header_insert_maxlen = 64 * 1024;
639 header_line *header_last = NULL;
640 header_line *header_list = NULL;
641 int header_maxsize = HEADER_MAXSIZE;
642 int header_line_maxsize = 0;
643
644 header_name header_names[] = {
645 { US"bcc", 3, TRUE, htype_bcc },
646 { US"cc", 2, TRUE, htype_cc },
647 { US"date", 4, TRUE, htype_date },
648 { US"delivery-date", 13, FALSE, htype_delivery_date },
649 { US"envelope-to", 11, FALSE, htype_envelope_to },
650 { US"from", 4, TRUE, htype_from },
651 { US"message-id", 10, TRUE, htype_id },
652 { US"received", 8, FALSE, htype_received },
653 { US"reply-to", 8, FALSE, htype_reply_to },
654 { US"return-path", 11, FALSE, htype_return_path },
655 { US"sender", 6, TRUE, htype_sender },
656 { US"subject", 7, FALSE, htype_subject },
657 { US"to", 2, TRUE, htype_to }
658 };
659
660 int header_names_size = sizeof(header_names)/sizeof(header_name);
661
662 BOOL header_rewritten = FALSE;
663 uschar *helo_accept_junk_hosts = NULL;
664 uschar *helo_allow_chars = US"";
665 uschar *helo_lookup_domains = US"@ : @[]";
666 uschar *helo_try_verify_hosts = NULL;
667 BOOL helo_verified = FALSE;
668 BOOL helo_verify_failed = FALSE;
669 uschar *helo_verify_hosts = NULL;
670 const uschar *hex_digits = CUS"0123456789abcdef";
671 uschar *hold_domains = NULL;
672 BOOL host_checking = FALSE;
673 BOOL host_checking_callout = FALSE;
674 uschar *host_data = NULL;
675 BOOL host_find_failed_syntax= FALSE;
676 uschar *host_lookup = NULL;
677 BOOL host_lookup_deferred = FALSE;
678 BOOL host_lookup_failed = FALSE;
679 uschar *host_lookup_order = US"bydns:byaddr";
680 uschar *host_lookup_msg = US"";
681 int host_number = 0;
682 uschar *host_number_string = NULL;
683 uschar *host_reject_connection = NULL;
684 tree_node *hostlist_anchor = NULL;
685 int hostlist_count = 0;
686 uschar *hosts_treat_as_local = NULL;
687 uschar *hosts_connection_nolog = NULL;
688
689 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
690 BOOL ignore_fromline_local = FALSE;
691 uschar *ignore_fromline_hosts = NULL;
692 BOOL inetd_wait_mode = FALSE;
693 int inetd_wait_timeout = -1;
694 uschar *interface_address = NULL;
695 int interface_port = -1;
696 BOOL is_inetd = FALSE;
697 uschar *iterate_item = NULL;
698
699 int journal_fd = -1;
700
701 int keep_malformed = 4*24*60*60; /* 4 days */
702
703 uschar *eldap_dn = NULL;
704 int load_average = -2;
705 BOOL local_error_message = FALSE;
706 BOOL local_from_check = TRUE;
707 uschar *local_from_prefix = NULL;
708 uschar *local_from_suffix = NULL;
709
710 #if HAVE_IPV6
711 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
712 #else
713 uschar *local_interfaces = US"0.0.0.0";
714 #endif
715
716 uschar *local_scan_data = NULL;
717 int local_scan_timeout = 5*60;
718 BOOL local_sender_retain = FALSE;
719 gid_t local_user_gid = (gid_t)(-1);
720 uid_t local_user_uid = (uid_t)(-1);
721
722 tree_node *localpartlist_anchor= NULL;
723 int localpartlist_count = 0;
724 uschar *log_buffer = NULL;
725 unsigned int log_extra_selector = LX_default;
726 uschar *log_file_path = US LOG_FILE_PATH
727 "\0<--------------Space to patch log_file_path->";
728
729 /* Those log options with L_xxx identifiers have values less than 0x800000 and
730 are the ones that get put into log_write_selector. They can be used in calls to
731 log_write() to test for the bit. The options with LX_xxx identifiers have
732 values greater than 0x80000000 and are put into log_extra_selector (without the
733 top bit). They are never used in calls to log_write(), but are tested
734 independently. This separation became necessary when the number of log
735 selectors was getting close to filling a 32-bit word. */
736
737 /* Note that this list must be in alphabetical order. */
738
739 bit_table log_options[] = {
740 { US"8bitmime", LX_8bitmime },
741 { US"acl_warn_skipped", LX_acl_warn_skipped },
742 { US"address_rewrite", L_address_rewrite },
743 { US"all", L_all },
744 { US"all_parents", L_all_parents },
745 { US"arguments", LX_arguments },
746 { US"connection_reject", L_connection_reject },
747 { US"delay_delivery", L_delay_delivery },
748 { US"deliver_time", LX_deliver_time },
749 { US"delivery_size", LX_delivery_size },
750 { US"dnslist_defer", L_dnslist_defer },
751 { US"etrn", L_etrn },
752 { US"host_lookup_failed", L_host_lookup_failed },
753 { US"ident_timeout", LX_ident_timeout },
754 { US"incoming_interface", LX_incoming_interface },
755 { US"incoming_port", LX_incoming_port },
756 { US"lost_incoming_connection", L_lost_incoming_connection },
757 { US"outgoing_port", LX_outgoing_port },
758 { US"pid", LX_pid },
759 { US"queue_run", L_queue_run },
760 { US"queue_time", LX_queue_time },
761 { US"queue_time_overall", LX_queue_time_overall },
762 { US"received_recipients", LX_received_recipients },
763 { US"received_sender", LX_received_sender },
764 { US"rejected_header", LX_rejected_header },
765 { US"rejected_headers", LX_rejected_header },
766 { US"retry_defer", L_retry_defer },
767 { US"return_path_on_delivery", LX_return_path_on_delivery },
768 { US"sender_on_delivery", LX_sender_on_delivery },
769 { US"sender_verify_fail", LX_sender_verify_fail },
770 { US"size_reject", L_size_reject },
771 { US"skip_delivery", L_skip_delivery },
772 { US"smtp_confirmation", LX_smtp_confirmation },
773 { US"smtp_connection", L_smtp_connection },
774 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
775 { US"smtp_no_mail", LX_smtp_no_mail },
776 { US"smtp_protocol_error", L_smtp_protocol_error },
777 { US"smtp_syntax_error", L_smtp_syntax_error },
778 { US"subject", LX_subject },
779 { US"tls_certificate_verified", LX_tls_certificate_verified },
780 { US"tls_cipher", LX_tls_cipher },
781 { US"tls_peerdn", LX_tls_peerdn },
782 { US"tls_sni", LX_tls_sni },
783 { US"unknown_in_list", LX_unknown_in_list }
784 };
785
786 int log_options_count = sizeof(log_options)/sizeof(bit_table);
787 int log_reject_target = 0;
788 uschar *log_selector_string = NULL;
789 FILE *log_stderr = NULL;
790 BOOL log_testing_mode = FALSE;
791 BOOL log_timezone = FALSE;
792 unsigned int log_write_selector= L_default;
793 uschar *login_sender_address = NULL;
794 int lookup_open_max = 25;
795 uschar *lookup_value = NULL;
796
797 macro_item *macros = NULL;
798 uschar *mailstore_basename = NULL;
799 #ifdef WITH_CONTENT_SCAN
800 uschar *malware_name = NULL; /* Virus Name */
801 #endif
802 int max_received_linelength= 0;
803 int max_username_length = 0;
804 int message_age = 0;
805 uschar *message_body = NULL;
806 uschar *message_body_end = NULL;
807 BOOL message_body_newlines = FALSE;
808 int message_body_size = 0;
809 int message_body_visible = 500;
810 int message_ended = END_NOTSTARTED;
811 uschar *message_headers = NULL;
812 uschar *message_id;
813 uschar *message_id_domain = NULL;
814 uschar *message_id_text = NULL;
815 struct timeval message_id_tv = { 0, 0 };
816 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
817 uschar *message_id_external;
818 int message_linecount = 0;
819 BOOL message_logs = TRUE;
820 int message_size = 0;
821 uschar *message_size_limit = US"50M";
822 uschar message_subdir[2] = { 0, 0 };
823 uschar *message_reference = NULL;
824
825 /* MIME ACL expandables */
826 #ifdef WITH_CONTENT_SCAN
827 int mime_anomaly_level = 0;
828 const uschar *mime_anomaly_text = NULL;
829 uschar *mime_boundary = NULL;
830 uschar *mime_charset = NULL;
831 uschar *mime_content_description = NULL;
832 uschar *mime_content_disposition = NULL;
833 uschar *mime_content_id = NULL;
834 unsigned int mime_content_size = 0;
835 uschar *mime_content_transfer_encoding = NULL;
836 uschar *mime_content_type = NULL;
837 uschar *mime_decoded_filename = NULL;
838 uschar *mime_filename = NULL;
839 int mime_is_multipart = 0;
840 int mime_is_coverletter = 0;
841 int mime_is_rfc822 = 0;
842 int mime_part_count = -1;
843 #endif
844
845 BOOL mua_wrapper = FALSE;
846
847 uid_t *never_users = NULL;
848 #ifdef WITH_CONTENT_SCAN
849 BOOL no_mbox_unspool = FALSE;
850 #endif
851 BOOL no_multiline_responses = FALSE;
852
853 uid_t original_euid;
854 gid_t originator_gid;
855 uschar *originator_login = NULL;
856 uschar *originator_name = NULL;
857 uid_t originator_uid;
858 uschar *override_local_interfaces = NULL;
859 uschar *override_pid_file_path = NULL;
860
861 BOOL parse_allow_group = FALSE;
862 BOOL parse_found_group = FALSE;
863 uschar *percent_hack_domains = NULL;
864 uschar *pid_file_path = US PID_FILE_PATH
865 "\0<--------------Space to patch pid_file_path->";
866 BOOL pipelining_enable = TRUE;
867 uschar *pipelining_advertise_hosts = US"*";
868 BOOL preserve_message_logs = FALSE;
869 uschar *primary_hostname = NULL;
870 BOOL print_topbitchars = FALSE;
871 uschar process_info[PROCESS_INFO_SIZE];
872 int process_info_len = 0;
873 uschar *process_log_path = NULL;
874 BOOL prod_requires_admin = TRUE;
875 uschar *prvscheck_address = NULL;
876 uschar *prvscheck_keynum = NULL;
877 uschar *prvscheck_result = NULL;
878
879
880 uschar *qualify_domain_recipient = NULL;
881 uschar *qualify_domain_sender = NULL;
882 BOOL queue_2stage = FALSE;
883 uschar *queue_domains = NULL;
884 int queue_interval = -1;
885 BOOL queue_list_requires_admin = TRUE;
886 BOOL queue_only = FALSE;
887 uschar *queue_only_file = NULL;
888 int queue_only_load = -1;
889 BOOL queue_only_load_latch = TRUE;
890 BOOL queue_only_override = TRUE;
891 BOOL queue_only_policy = FALSE;
892 BOOL queue_run_first_delivery = FALSE;
893 BOOL queue_run_force = FALSE;
894 BOOL queue_run_in_order = FALSE;
895 BOOL queue_run_local = FALSE;
896 int queue_run_max = 5;
897 pid_t queue_run_pid = (pid_t)0;
898 int queue_run_pipe = -1;
899 BOOL queue_running = FALSE;
900 BOOL queue_smtp = FALSE;
901 uschar *queue_smtp_domains = NULL;
902
903 unsigned int random_seed = 0;
904 tree_node *ratelimiters_cmd = NULL;
905 tree_node *ratelimiters_conn = NULL;
906 tree_node *ratelimiters_mail = NULL;
907 uschar *raw_active_hostname = NULL;
908 uschar *raw_sender = NULL;
909 uschar **raw_recipients = NULL;
910 int raw_recipients_count = 0;
911
912 int rcpt_count = 0;
913 int rcpt_fail_count = 0;
914 int rcpt_defer_count = 0;
915 gid_t real_gid;
916 uid_t real_uid;
917 BOOL really_exim = TRUE;
918 BOOL receive_call_bombout = FALSE;
919 int receive_linecount = 0;
920 int receive_messagecount = 0;
921 int receive_timeout = 0;
922 int received_count = 0;
923 uschar *received_for = NULL;
924
925 /* This is the default text for Received headers generated by Exim. The
926 date will be automatically added on the end. */
927
928 uschar *received_header_text = US
929 "Received: "
930 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
931 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
932 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
933 "by $primary_hostname "
934 "${if def:received_protocol {with $received_protocol}} "
935 #ifdef SUPPORT_TLS
936 "${if def:tls_cipher {($tls_cipher)\n\t}}"
937 #endif
938 "(Exim $version_number)\n\t"
939 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
940 "id $message_exim_id"
941 "${if def:received_for {\n\tfor $received_for}}"
942 "\0<---------------Space to patch received_header_text->";
943
944 int received_headers_max = 30;
945 uschar *received_protocol = NULL;
946 int received_time = 0;
947 uschar *recipient_data = NULL;
948 uschar *recipient_unqualified_hosts = NULL;
949 uschar *recipient_verify_failure = NULL;
950 int recipients_count = 0;
951 BOOL recipients_discarded = FALSE;
952 recipient_item *recipients_list = NULL;
953 int recipients_list_max = 0;
954 int recipients_max = 0;
955 BOOL recipients_max_reject = FALSE;
956 const pcre *regex_AUTH = NULL;
957 const pcre *regex_check_dns_names = NULL;
958 const pcre *regex_From = NULL;
959 const pcre *regex_IGNOREQUOTA = NULL;
960 const pcre *regex_PIPELINING = NULL;
961 const pcre *regex_SIZE = NULL;
962 const pcre *regex_smtp_code = NULL;
963 const pcre *regex_ismsgid = NULL;
964 #ifdef WHITELIST_D_MACROS
965 const pcre *regex_whitelisted_macro = NULL;
966 #endif
967 #ifdef WITH_CONTENT_SCAN
968 uschar *regex_match_string = NULL;
969 #endif
970 int remote_delivery_count = 0;
971 int remote_max_parallel = 2;
972 uschar *remote_sort_domains = NULL;
973 int retry_data_expire = 7*24*60*60;
974 int retry_interval_max = 24*60*60;
975 int retry_maximum_timeout = 0; /* set from retry config */
976 retry_config *retries = NULL;
977 uschar *return_path = NULL;
978 BOOL return_path_remove = TRUE;
979 int rewrite_existflags = 0;
980 uschar *rfc1413_hosts = US"*";
981 int rfc1413_query_timeout = 5;
982 /* BOOL rfc821_domains = FALSE; <<< on the way out */
983 uid_t root_gid = ROOT_GID;
984 uid_t root_uid = ROOT_UID;
985
986 router_instance *routers = NULL;
987 router_instance router_defaults = {
988 NULL, /* chain pointer */
989 NULL, /* name */
990 NULL, /* info */
991 NULL, /* private options block pointer */
992 NULL, /* driver name */
993
994 NULL, /* address_data */
995 #ifdef EXPERIMENTAL_BRIGHTMAIL
996 NULL, /* bmi_rule */
997 #endif
998 NULL, /* cannot_route_message */
999 NULL, /* condition */
1000 NULL, /* current_directory */
1001 NULL, /* debug_string */
1002 NULL, /* domains */
1003 NULL, /* errors_to */
1004 NULL, /* expand_gid */
1005 NULL, /* expand_uid */
1006 NULL, /* expand_more */
1007 NULL, /* expand_unseen */
1008 NULL, /* extra_headers */
1009 NULL, /* fallback_hosts */
1010 NULL, /* home_directory */
1011 NULL, /* ignore_target_hosts */
1012 NULL, /* local_parts */
1013 NULL, /* pass_router_name */
1014 NULL, /* prefix */
1015 NULL, /* redirect_router_name */
1016 NULL, /* remove_headers */
1017 NULL, /* require_files */
1018 NULL, /* router_home_directory */
1019 US"freeze", /* self */
1020 NULL, /* senders */
1021 NULL, /* suffix */
1022 NULL, /* translate_ip_address */
1023 NULL, /* transport_name */
1024
1025 TRUE, /* address_test */
1026 #ifdef EXPERIMENTAL_BRIGHTMAIL
1027 FALSE, /* bmi_deliver_alternate */
1028 FALSE, /* bmi_deliver_default */
1029 FALSE, /* bmi_dont_deliver */
1030 #endif
1031 TRUE, /* expn */
1032 FALSE, /* caseful_local_part */
1033 FALSE, /* check_local_user */
1034 FALSE, /* disable_logging */
1035 FALSE, /* fail_verify_recipient */
1036 FALSE, /* fail_verify_sender */
1037 FALSE, /* gid_set */
1038 FALSE, /* initgroups */
1039 TRUE_UNSET, /* log_as_local */
1040 TRUE, /* more */
1041 FALSE, /* pass_on_timeout */
1042 FALSE, /* prefix_optional */
1043 TRUE, /* repeat_use */
1044 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1045 FALSE, /* same_domain_copy_routing */
1046 FALSE, /* self_rewrite */
1047 FALSE, /* suffix_optional */
1048 FALSE, /* verify_only */
1049 TRUE, /* verify_recipient */
1050 TRUE, /* verify_sender */
1051 FALSE, /* uid_set */
1052 FALSE, /* unseen */
1053
1054 self_freeze, /* self_code */
1055 (uid_t)(-1), /* uid */
1056 (gid_t)(-1), /* gid */
1057
1058 NULL, /* fallback_hostlist */
1059 NULL, /* transport instance */
1060 NULL, /* pass_router */
1061 NULL /* redirect_router */
1062 };
1063
1064 ip_address_item *running_interfaces = NULL;
1065 BOOL running_in_test_harness = FALSE;
1066
1067 /* This is a weird one. The following string gets patched in the binary by the
1068 script that sets up a copy of Exim for running in the test harness. It seems
1069 that compilers are now clever, and share constant strings if they can.
1070 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1071 make use of the end of this string in order to save space. So the patching then
1072 wrecks this. We defeat this optimization by adding some additional characters
1073 onto the end of the string. */
1074
1075 uschar *running_status = US">>>running<<<" "\0EXTRA";
1076
1077 int runrc = 0;
1078
1079 uschar *search_error_message = NULL;
1080 BOOL search_find_defer = FALSE;
1081 uschar *self_hostname = NULL;
1082 uschar *sender_address = NULL;
1083 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1084 uschar *sender_address_data = NULL;
1085 BOOL sender_address_forced = FALSE;
1086 uschar *sender_address_unrewritten = NULL;
1087 uschar *sender_data = NULL;
1088 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1089 uschar *sender_fullhost = NULL;
1090 uschar *sender_helo_name = NULL;
1091 uschar **sender_host_aliases = &no_aliases;
1092 uschar *sender_host_address = NULL;
1093 uschar *sender_host_authenticated = NULL;
1094 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1095 BOOL sender_host_dnssec = FALSE;
1096 uschar *sender_host_name = NULL;
1097 int sender_host_port = 0;
1098 BOOL sender_host_notsocket = FALSE;
1099 BOOL sender_host_unknown = FALSE;
1100 uschar *sender_ident = NULL;
1101 BOOL sender_local = FALSE;
1102 BOOL sender_name_forced = FALSE;
1103 uschar *sender_rate = NULL;
1104 uschar *sender_rate_limit = NULL;
1105 uschar *sender_rate_period = NULL;
1106 uschar *sender_rcvhost = NULL;
1107 BOOL sender_set_untrusted = FALSE;
1108 uschar *sender_unqualified_hosts = NULL;
1109 uschar *sender_verify_failure = NULL;
1110 address_item *sender_verified_list = NULL;
1111 address_item *sender_verified_failed = NULL;
1112 int sender_verified_rc = -1;
1113 BOOL sender_verified_responded = FALSE;
1114 uschar *sending_ip_address = NULL;
1115 int sending_port = -1;
1116 SIGNAL_BOOL sigalrm_seen = FALSE;
1117 uschar **sighup_argv = NULL;
1118 int smtp_accept_count = 0;
1119 BOOL smtp_accept_keepalive = TRUE;
1120 int smtp_accept_max = 20;
1121 int smtp_accept_max_nonmail= 10;
1122 uschar *smtp_accept_max_nonmail_hosts = US"*";
1123 int smtp_accept_max_per_connection = 1000;
1124 uschar *smtp_accept_max_per_host = NULL;
1125 int smtp_accept_queue = 0;
1126 int smtp_accept_queue_per_connection = 10;
1127 int smtp_accept_reserve = 0;
1128 uschar *smtp_active_hostname = NULL;
1129 BOOL smtp_authenticated = FALSE;
1130 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1131 "Exim $version_number $tod_full"
1132 "\0<---------------Space to patch smtp_banner->";
1133 BOOL smtp_batched_input = FALSE;
1134 BOOL smtp_check_spool_space = TRUE;
1135 int smtp_ch_index = 0;
1136 uschar *smtp_cmd_argument = NULL;
1137 uschar *smtp_cmd_buffer = NULL;
1138 time_t smtp_connection_start = 0;
1139 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1140 int smtp_connect_backlog = 20;
1141 double smtp_delay_mail = 0.0;
1142 double smtp_delay_rcpt = 0.0;
1143 BOOL smtp_enforce_sync = TRUE;
1144 FILE *smtp_in = NULL;
1145 BOOL smtp_input = FALSE;
1146 int smtp_load_reserve = -1;
1147 int smtp_mailcmd_count = 0;
1148 FILE *smtp_out = NULL;
1149 uschar *smtp_etrn_command = NULL;
1150 BOOL smtp_etrn_serialize = TRUE;
1151 int smtp_max_synprot_errors= 3;
1152 int smtp_max_unknown_commands = 3;
1153 uschar *smtp_notquit_reason = NULL;
1154 uschar *smtp_ratelimit_hosts = NULL;
1155 uschar *smtp_ratelimit_mail = NULL;
1156 uschar *smtp_ratelimit_rcpt = NULL;
1157 uschar *smtp_read_error = US"";
1158 int smtp_receive_timeout = 5*60;
1159 uschar *smtp_reserve_hosts = NULL;
1160 BOOL smtp_return_error_details = FALSE;
1161 int smtp_rlm_base = 0;
1162 double smtp_rlm_factor = 0.0;
1163 int smtp_rlm_limit = 0;
1164 int smtp_rlm_threshold = INT_MAX;
1165 int smtp_rlr_base = 0;
1166 double smtp_rlr_factor = 0.0;
1167 int smtp_rlr_limit = 0;
1168 int smtp_rlr_threshold = INT_MAX;
1169 BOOL smtp_use_pipelining = FALSE;
1170 BOOL smtp_use_size = FALSE;
1171
1172 #ifdef WITH_CONTENT_SCAN
1173 uschar *spamd_address = US"127.0.0.1 783";
1174 uschar *spam_bar = NULL;
1175 uschar *spam_report = NULL;
1176 uschar *spam_score = NULL;
1177 uschar *spam_score_int = NULL;
1178 #endif
1179 #ifdef EXPERIMENTAL_SPF
1180 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1181 uschar *spf_header_comment = NULL;
1182 uschar *spf_received = NULL;
1183 uschar *spf_result = NULL;
1184 uschar *spf_smtp_comment = NULL;
1185 #endif
1186
1187 BOOL split_spool_directory = FALSE;
1188 uschar *spool_directory = US SPOOL_DIRECTORY
1189 "\0<--------------Space to patch spool_directory->";
1190 #ifdef EXPERIMENTAL_SRS
1191 uschar *srs_config = NULL;
1192 uschar *srs_db_address = NULL;
1193 uschar *srs_db_key = NULL;
1194 int srs_hashlength = 6;
1195 int srs_hashmin = -1;
1196 int srs_maxage = 31;
1197 uschar *srs_orig_recipient = NULL;
1198 uschar *srs_orig_sender = NULL;
1199 uschar *srs_recipient = NULL;
1200 uschar *srs_secrets = NULL;
1201 uschar *srs_status = NULL;
1202 BOOL srs_usehash = TRUE;
1203 BOOL srs_usetimestamp = TRUE;
1204 #endif
1205 BOOL strict_acl_vars = FALSE;
1206 int string_datestamp_offset= -1;
1207 int string_datestamp_length= 0;
1208 int string_datestamp_type = -1;
1209 BOOL strip_excess_angle_brackets = FALSE;
1210 BOOL strip_trailing_dot = FALSE;
1211 uschar *submission_domain = NULL;
1212 BOOL submission_mode = FALSE;
1213 uschar *submission_name = NULL;
1214 BOOL suppress_local_fixups = FALSE;
1215 BOOL suppress_local_fixups_default = FALSE;
1216 BOOL synchronous_delivery = FALSE;
1217 BOOL syslog_duplication = TRUE;
1218 int syslog_facility = LOG_MAIL;
1219 uschar *syslog_processname = US"exim";
1220 BOOL syslog_timestamp = TRUE;
1221 uschar *system_filter = NULL;
1222
1223 uschar *system_filter_directory_transport = NULL;
1224 uschar *system_filter_file_transport = NULL;
1225 uschar *system_filter_pipe_transport = NULL;
1226 uschar *system_filter_reply_transport = NULL;
1227
1228 gid_t system_filter_gid = 0;
1229 BOOL system_filter_gid_set = FALSE;
1230 uid_t system_filter_uid = (uid_t)-1;
1231 BOOL system_filter_uid_set = FALSE;
1232 BOOL system_filtering = FALSE;
1233
1234 BOOL tcp_nodelay = TRUE;
1235 #ifdef USE_TCP_WRAPPERS
1236 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1237 #endif
1238 int test_harness_load_avg = 0;
1239 int thismessage_size_limit = 0;
1240 int timeout_frozen_after = 0;
1241 BOOL timestamps_utc = FALSE;
1242
1243 transport_instance *transports = NULL;
1244
1245 transport_instance transport_defaults = {
1246 NULL, /* chain pointer */
1247 NULL, /* name */
1248 NULL, /* info */
1249 NULL, /* private options block pointer */
1250 NULL, /* driver name */
1251 NULL, /* setup entry point */
1252 1, /* batch_max */
1253 NULL, /* batch_id */
1254 NULL, /* home_dir */
1255 NULL, /* current_dir */
1256 TRUE, /* multi-domain */
1257 FALSE, /* overrides_hosts */
1258 100, /* max_addresses */
1259 500, /* connection_max_messages */
1260 FALSE, /* deliver_as_creator */
1261 FALSE, /* disable_logging */
1262 FALSE, /* initgroups */
1263 FALSE, /* uid_set */
1264 FALSE, /* gid_set */
1265 (uid_t)(-1), /* uid */
1266 (gid_t)(-1), /* gid */
1267 NULL, /* expand_uid */
1268 NULL, /* expand_gid */
1269 NULL, /* warn_message */
1270 NULL, /* shadow */
1271 NULL, /* shadow_condition */
1272 NULL, /* filter_command */
1273 NULL, /* add_headers */
1274 NULL, /* remove_headers */
1275 NULL, /* return_path */
1276 NULL, /* debug_string */
1277 NULL, /* message_size_limit */
1278 NULL, /* headers_rewrite */
1279 NULL, /* rewrite_rules */
1280 0, /* rewrite_existflags */
1281 300, /* filter_timeout */
1282 FALSE, /* body_only */
1283 FALSE, /* delivery_date_add */
1284 FALSE, /* envelope_to_add */
1285 FALSE, /* headers_only */
1286 FALSE, /* rcpt_include_affixes */
1287 FALSE, /* return_path_add */
1288 FALSE, /* return_output */
1289 FALSE, /* return_fail_output */
1290 FALSE, /* log_output */
1291 FALSE, /* log_fail_output */
1292 FALSE, /* log_defer_output */
1293 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1294 1 nor 0 so can detect unset */
1295 };
1296
1297 int transport_count;
1298 int transport_newlines;
1299 uschar **transport_filter_argv = NULL;
1300 int transport_filter_timeout;
1301 BOOL transport_filter_timed_out = FALSE;
1302 int transport_write_timeout= 0;
1303
1304 tree_node *tree_dns_fails = NULL;
1305 tree_node *tree_duplicates = NULL;
1306 tree_node *tree_nonrecipients = NULL;
1307 tree_node *tree_unusable = NULL;
1308
1309 BOOL trusted_caller = FALSE;
1310 BOOL trusted_config = TRUE;
1311 gid_t *trusted_groups = NULL;
1312 uid_t *trusted_users = NULL;
1313 uschar *timezone_string = US TIMEZONE_DEFAULT;
1314
1315 uschar *unknown_login = NULL;
1316 uschar *unknown_username = NULL;
1317 uschar *untrusted_set_sender = NULL;
1318
1319 /* A regex for matching a "From_" line in an incoming message, in the form
1320
1321 From ph10 Fri Jan 5 12:35 GMT 1996
1322
1323 which the "mail" commands send to the MTA (undocumented, of course), or in
1324 the form
1325
1326 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1327
1328 which is apparently used by some UUCPs, despite it not being in RFC 976.
1329 Because of variations in time formats, just match up to the minutes. That
1330 should be sufficient. Examples have been seen of time fields like 12:1:03,
1331 so just require one digit for hours and minutes. The weekday is also absent
1332 in some forms. */
1333
1334 uschar *uucp_from_pattern = US
1335 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1336 "(?:" /* Non-extracting bracket */
1337 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1338 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1339 ")" /* End alternation */
1340 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1341
1342 uschar *uucp_from_sender = US"$1";
1343
1344 uschar *warn_message_file = NULL;
1345 uschar *warnmsg_delay = NULL;
1346 uschar *warnmsg_recipients = NULL;
1347 BOOL write_rejectlog = TRUE;
1348
1349 uschar *version_copyright =
1350 US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1351 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1352 uschar *version_date = US"?";
1353 uschar *version_cnumber = US"????";
1354 uschar *version_string = US"?";
1355
1356 int warning_count = 0;
1357
1358 /* End of globals.c */
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