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[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2013 */
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 EXPERIMENTAL_REDIS
87 uschar *redis_servers = NULL;
88 #endif
89
90 #ifdef LOOKUP_SQLITE
91 int sqlite_lock_timeout = 5;
92 #endif
93
94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
95 BOOL move_frozen_messages = FALSE;
96 #endif
97
98 /* These variables are outside the #ifdef because it keeps the code less
99 cluttered in several places (e.g. during logging) if we can always refer to
100 them. Also, the tls_ variables are now always visible. */
101
102 tls_support tls_in = {
103 -1, /* tls_active */
104 0, /* tls_bits */
105 FALSE,/* tls_certificate_verified */
106 NULL, /* tls_cipher */
107 FALSE,/* tls_on_connect */
108 NULL, /* tls_on_connect_ports */
109 NULL, /* tls_peerdn */
110 NULL /* tls_sni */
111 };
112 tls_support tls_out = {
113 -1, /* tls_active */
114 0, /* tls_bits */
115 FALSE,/* tls_certificate_verified */
116 NULL, /* tls_cipher */
117 FALSE,/* tls_on_connect */
118 NULL, /* tls_on_connect_ports */
119 NULL, /* tls_peerdn */
120 NULL /* tls_sni */
121 };
122
123
124 #ifdef SUPPORT_TLS
125 BOOL gnutls_compat_mode = FALSE;
126 BOOL gnutls_allow_auto_pkcs11 = FALSE;
127 uschar *gnutls_require_mac = NULL;
128 uschar *gnutls_require_kx = NULL;
129 uschar *gnutls_require_proto = NULL;
130 uschar *openssl_options = NULL;
131 const pcre *regex_STARTTLS = NULL;
132 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
133 uschar *tls_certificate = NULL;
134 uschar *tls_crl = NULL;
135 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
136 that's the interop problem which has been observed: GnuTLS suggesting a higher
137 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
138 int tls_dh_max_bits = 2236;
139 uschar *tls_dhparam = NULL;
140 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
141 uschar *tls_ocsp_file = NULL;
142 #endif
143 BOOL tls_offered = FALSE;
144 uschar *tls_privatekey = NULL;
145 BOOL tls_remember_esmtp = FALSE;
146 uschar *tls_require_ciphers = NULL;
147 uschar *tls_try_verify_hosts = NULL;
148 uschar *tls_verify_certificates= NULL;
149 uschar *tls_verify_hosts = NULL;
150 #endif
151
152 #ifdef EXPERIMENTAL_PRDR
153 /* Per Recipient Data Response variables */
154 BOOL prdr_enable = FALSE;
155 BOOL prdr_requested = FALSE;
156 const pcre *regex_PRDR = NULL;
157 #endif
158
159 /* Input-reading functions for messages, so we can use special ones for
160 incoming TCP/IP. The defaults use stdin. We never need these for any
161 stand-alone tests. */
162
163 #ifndef STAND_ALONE
164 int (*receive_getc)(void) = stdin_getc;
165 int (*receive_ungetc)(int) = stdin_ungetc;
166 int (*receive_feof)(void) = stdin_feof;
167 int (*receive_ferror)(void) = stdin_ferror;
168 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
169 #endif
170
171
172 /* List of per-address expansion variables for clearing and saving/restoring
173 when verifying one address while routing/verifying another. We have to have
174 the size explicit, because it is referenced from more than one module. */
175
176 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
177 &deliver_address_data,
178 &deliver_domain,
179 &deliver_domain_data,
180 &deliver_domain_orig,
181 &deliver_domain_parent,
182 &deliver_localpart,
183 &deliver_localpart_data,
184 &deliver_localpart_orig,
185 &deliver_localpart_parent,
186 &deliver_localpart_prefix,
187 &deliver_localpart_suffix,
188 (uschar **)(&deliver_recipients),
189 &deliver_host,
190 &deliver_home,
191 &address_file,
192 &address_pipe,
193 &self_hostname,
194 NULL };
195
196 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
197
198 /* General global variables */
199
200 header_line *acl_added_headers = NULL;
201 tree_node *acl_anchor = NULL;
202 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
203 NULL, NULL, NULL, NULL};
204 int acl_narg = 0;
205
206 uschar *acl_not_smtp = NULL;
207 #ifdef WITH_CONTENT_SCAN
208 uschar *acl_not_smtp_mime = NULL;
209 #endif
210 uschar *acl_not_smtp_start = NULL;
211 uschar *acl_removed_headers = NULL;
212 uschar *acl_smtp_auth = NULL;
213 uschar *acl_smtp_connect = NULL;
214 uschar *acl_smtp_data = NULL;
215 #ifdef EXPERIMENTAL_PRDR
216 uschar *acl_smtp_data_prdr = NULL;
217 #endif
218 #ifndef DISABLE_DKIM
219 uschar *acl_smtp_dkim = NULL;
220 #endif
221 uschar *acl_smtp_etrn = NULL;
222 uschar *acl_smtp_expn = NULL;
223 uschar *acl_smtp_helo = NULL;
224 uschar *acl_smtp_mail = NULL;
225 uschar *acl_smtp_mailauth = NULL;
226 #ifdef WITH_CONTENT_SCAN
227 uschar *acl_smtp_mime = NULL;
228 #endif
229 uschar *acl_smtp_notquit = NULL;
230 uschar *acl_smtp_predata = NULL;
231 uschar *acl_smtp_quit = NULL;
232 uschar *acl_smtp_rcpt = NULL;
233 uschar *acl_smtp_starttls = NULL;
234 uschar *acl_smtp_vrfy = NULL;
235
236 BOOL acl_temp_details = FALSE;
237 tree_node *acl_var_c = NULL;
238 tree_node *acl_var_m = NULL;
239 uschar *acl_verify_message = NULL;
240 string_item *acl_warn_logged = NULL;
241
242 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
243 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
244
245 uschar *acl_wherenames[] = { US"RCPT",
246 US"MAIL",
247 US"PREDATA",
248 US"MIME",
249 US"DKIM",
250 US"DATA",
251 #ifdef EXPERIMENTAL_PRDR
252 US"PRDR",
253 #endif
254 US"non-SMTP",
255 US"AUTH",
256 US"connection",
257 US"ETRN",
258 US"EXPN",
259 US"EHLO or HELO",
260 US"MAILAUTH",
261 US"non-SMTP-start",
262 US"NOTQUIT",
263 US"QUIT",
264 US"STARTTLS",
265 US"VRFY",
266 US"delivery",
267 US"unknown"
268 };
269
270 uschar *acl_wherecodes[] = { US"550", /* RCPT */
271 US"550", /* MAIL */
272 US"550", /* PREDATA */
273 US"550", /* MIME */
274 US"550", /* DKIM */
275 US"550", /* DATA */
276 #ifdef EXPERIMENTAL_PRDR
277 US"550", /* RCPT PRDR */
278 #endif
279 US"0", /* not SMTP; not relevant */
280 US"503", /* AUTH */
281 US"550", /* connect */
282 US"458", /* ETRN */
283 US"550", /* EXPN */
284 US"550", /* HELO/EHLO */
285 US"0", /* MAILAUTH; not relevant */
286 US"0", /* not SMTP; not relevant */
287 US"0", /* NOTQUIT; not relevant */
288 US"0", /* QUIT; not relevant */
289 US"550", /* STARTTLS */
290 US"252", /* VRFY */
291 US"0", /* delivery; not relevant */
292 US"0" /* unknown; not relevant */
293 };
294
295 BOOL active_local_from_check = FALSE;
296 BOOL active_local_sender_retain = FALSE;
297 int body_8bitmime = 0;
298 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
299 address_item *addr_duplicate = NULL;
300
301 address_item address_defaults = {
302 NULL, /* next */
303 NULL, /* parent */
304 NULL, /* first */
305 NULL, /* dupof */
306 NULL, /* start_router */
307 NULL, /* router */
308 NULL, /* transport */
309 NULL, /* host_list */
310 NULL, /* host_used */
311 NULL, /* fallback_hosts */
312 NULL, /* reply */
313 NULL, /* retries */
314 NULL, /* address */
315 NULL, /* unique */
316 NULL, /* cc_local_part */
317 NULL, /* lc_local_part */
318 NULL, /* local_part */
319 NULL, /* prefix */
320 NULL, /* suffix */
321 NULL, /* domain */
322 NULL, /* address_retry_key */
323 NULL, /* domain_retry_key */
324 NULL, /* current_dir */
325 NULL, /* home_dir */
326 NULL, /* message */
327 NULL, /* user_message */
328 NULL, /* onetime_parent */
329 NULL, /* pipe_expandn */
330 NULL, /* return_filename */
331 NULL, /* self_hostname */
332 NULL, /* shadow_message */
333 #ifdef SUPPORT_TLS
334 NULL, /* cipher */
335 NULL, /* peerdn */
336 #endif
337 NULL, /* authenticator */
338 NULL, /* auth_id */
339 NULL, /* auth_sndr */
340 (uid_t)(-1), /* uid */
341 (gid_t)(-1), /* gid */
342 0, /* flags */
343 { 0 }, /* domain_cache - any larger array should be zeroed */
344 { 0 }, /* localpart_cache - ditto */
345 -1, /* mode */
346 0, /* more_errno */
347 ERRNO_UNKNOWNERROR, /* basic_errno */
348 0, /* child_count */
349 -1, /* return_file */
350 SPECIAL_NONE, /* special_action */
351 DEFER, /* transport_return */
352 { /* fields that are propagated to children */
353 NULL, /* address_data */
354 NULL, /* domain_data */
355 NULL, /* localpart_data */
356 NULL, /* errors_address */
357 NULL, /* extra_headers */
358 NULL, /* remove_headers */
359 #ifdef EXPERIMENTAL_SRS
360 NULL, /* srs_sender */
361 #endif
362 }
363 };
364
365 uschar *address_file = NULL;
366 uschar *address_pipe = NULL;
367 BOOL address_test_mode = FALSE;
368 tree_node *addresslist_anchor = NULL;
369 int addresslist_count = 0;
370 gid_t *admin_groups = NULL;
371 BOOL admin_user = FALSE;
372 BOOL allow_auth_unadvertised= FALSE;
373 BOOL allow_domain_literals = FALSE;
374 BOOL allow_mx_to_ip = FALSE;
375 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
376 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
377 BOOL allow_utf8_domains = FALSE;
378 uschar *authenticated_fail_id = NULL;
379 uschar *authenticated_id = NULL;
380 uschar *authenticated_sender = NULL;
381 BOOL authentication_failed = FALSE;
382 auth_instance *auths = NULL;
383 uschar *auth_advertise_hosts = US"*";
384 auth_instance auth_defaults = {
385 NULL, /* chain pointer */
386 NULL, /* name */
387 NULL, /* info */
388 NULL, /* private options block pointer */
389 NULL, /* driver_name */
390 NULL, /* advertise_condition */
391 NULL, /* client_condition */
392 NULL, /* public_name */
393 NULL, /* set_id */
394 NULL, /* set_client_id */
395 NULL, /* server_mail_auth_condition */
396 NULL, /* server_debug_string */
397 NULL, /* server_condition */
398 FALSE, /* client */
399 FALSE, /* server */
400 FALSE /* advertised */
401 };
402
403 uschar *auth_defer_msg = US"reason not recorded";
404 uschar *auth_defer_user_msg = US"";
405 uschar *auth_vars[AUTH_VARS];
406 int auto_thaw = 0;
407 #ifdef WITH_CONTENT_SCAN
408 BOOL av_failed = FALSE;
409 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
410 #endif
411
412 BOOL background_daemon = TRUE;
413
414 #if BASE_62 == 62
415 uschar *base62_chars=
416 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
417 #else
418 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
419 #endif
420
421 uschar *bi_command = NULL;
422 uschar *big_buffer = NULL;
423 int big_buffer_size = BIG_BUFFER_SIZE;
424 #ifdef EXPERIMENTAL_BRIGHTMAIL
425 uschar *bmi_alt_location = NULL;
426 uschar *bmi_base64_tracker_verdict = NULL;
427 uschar *bmi_base64_verdict = NULL;
428 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
429 int bmi_deliver = 1;
430 int bmi_run = 0;
431 uschar *bmi_verdicts = NULL;
432 #endif
433 int body_linecount = 0;
434 int body_zerocount = 0;
435 uschar *bounce_message_file = NULL;
436 uschar *bounce_message_text = NULL;
437 uschar *bounce_recipient = NULL;
438 BOOL bounce_return_body = TRUE;
439 BOOL bounce_return_message = TRUE;
440 int bounce_return_size_limit = 100*1024;
441 uschar *bounce_sender_authentication = NULL;
442 int bsmtp_transaction_linecount = 0;
443
444 int callout_cache_domain_positive_expire = 7*24*60*60;
445 int callout_cache_domain_negative_expire = 3*60*60;
446 int callout_cache_positive_expire = 24*60*60;
447 int callout_cache_negative_expire = 2*60*60;
448 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
449 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
450 int check_log_inodes = 0;
451 int check_log_space = 0;
452 BOOL check_rfc2047_length = TRUE;
453 int check_spool_inodes = 0;
454 int check_spool_space = 0;
455 uschar *client_authenticator = NULL;
456 uschar *client_authenticated_id = NULL;
457 uschar *client_authenticated_sender = NULL;
458 int clmacro_count = 0;
459 uschar *clmacros[MAX_CLMACROS];
460 BOOL config_changed = FALSE;
461 FILE *config_file = NULL;
462 uschar *config_filename = NULL;
463 int config_lineno = 0;
464 #ifdef CONFIGURE_GROUP
465 gid_t config_gid = CONFIGURE_GROUP;
466 #endif
467 uschar *config_main_filelist = US CONFIGURE_FILE
468 "\0<-----------Space to patch configure_filename->";
469 uschar *config_main_filename = NULL;
470
471 #ifdef CONFIGURE_OWNER
472 uid_t config_uid = CONFIGURE_OWNER;
473 #endif
474
475 int connection_max_messages= -1;
476 uschar *continue_hostname = NULL;
477 uschar *continue_host_address = NULL;
478 BOOL continue_more = FALSE;
479 int continue_sequence = 1;
480 uschar *continue_transport = NULL;
481
482 uschar *csa_status = NULL;
483 BOOL cutthrough_delivery = FALSE;
484 int cutthrough_fd = -1;
485
486 BOOL daemon_listen = FALSE;
487 uschar *daemon_smtp_port = US"smtp";
488 int daemon_startup_retries = 9;
489 int daemon_startup_sleep = 30;
490
491 #ifdef EXPERIMENTAL_DCC
492 BOOL dcc_direct_add_header = FALSE;
493 uschar *dcc_header = NULL;
494 uschar *dcc_result = NULL;
495 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
496 uschar *dccifd_options = US"header";
497 #endif
498
499 BOOL debug_daemon = FALSE;
500 int debug_fd = -1;
501 FILE *debug_file = NULL;
502 bit_table debug_options[] = {
503 { US"acl", D_acl },
504 { US"all", D_all },
505 { US"auth", D_auth },
506 { US"deliver", D_deliver },
507 { US"dns", D_dns },
508 { US"dnsbl", D_dnsbl },
509 { US"exec", D_exec },
510 { US"expand", D_expand },
511 { US"filter", D_filter },
512 { US"hints_lookup", D_hints_lookup },
513 { US"host_lookup", D_host_lookup },
514 { US"ident", D_ident },
515 { US"interface", D_interface },
516 { US"lists", D_lists },
517 { US"load", D_load },
518 { US"local_scan", D_local_scan },
519 { US"lookup", D_lookup },
520 { US"memory", D_memory },
521 { US"pid", D_pid },
522 { US"process_info", D_process_info },
523 { US"queue_run", D_queue_run },
524 { US"receive", D_receive },
525 { US"resolver", D_resolver },
526 { US"retry", D_retry },
527 { US"rewrite", D_rewrite },
528 { US"route", D_route },
529 { US"timestamp", D_timestamp },
530 { US"tls", D_tls },
531 { US"transport", D_transport },
532 { US"uid", D_uid },
533 { US"verify", D_verify }
534 };
535 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
536 unsigned int debug_selector = 0;
537 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
538 uschar *delay_warning_condition=
539 US"${if or {"
540 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
541 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
542 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
543 "} {no}{yes}}";
544 BOOL delivery_date_remove = TRUE;
545 uschar *deliver_address_data = NULL;
546 int deliver_datafile = -1;
547 uschar *deliver_domain = NULL;
548 uschar *deliver_domain_data = NULL;
549 uschar *deliver_domain_orig = NULL;
550 uschar *deliver_domain_parent = NULL;
551 BOOL deliver_drop_privilege = FALSE;
552 BOOL deliver_firsttime = FALSE;
553 BOOL deliver_force = FALSE;
554 BOOL deliver_freeze = FALSE;
555 int deliver_frozen_at = 0;
556 uschar *deliver_home = NULL;
557 uschar *deliver_host = NULL;
558 uschar *deliver_host_address = NULL;
559 uschar *deliver_in_buffer = NULL;
560 ino_t deliver_inode = 0;
561 uschar *deliver_localpart = NULL;
562 uschar *deliver_localpart_data = NULL;
563 uschar *deliver_localpart_orig = NULL;
564 uschar *deliver_localpart_parent = NULL;
565 uschar *deliver_localpart_prefix = NULL;
566 uschar *deliver_localpart_suffix = NULL;
567 BOOL deliver_force_thaw = FALSE;
568 BOOL deliver_manual_thaw = FALSE;
569 uschar *deliver_out_buffer = NULL;
570 int deliver_queue_load_max = -1;
571 address_item *deliver_recipients = NULL;
572 uschar *deliver_selectstring = NULL;
573 BOOL deliver_selectstring_regex = FALSE;
574 uschar *deliver_selectstring_sender = NULL;
575 BOOL deliver_selectstring_sender_regex = FALSE;
576 #ifdef WITH_OLD_DEMIME
577 int demime_errorlevel = 0;
578 int demime_ok = 0;
579 uschar *demime_reason = NULL;
580 #endif
581 BOOL disable_callout_flush = FALSE;
582 BOOL disable_delay_flush = FALSE;
583 #ifdef ENABLE_DISABLE_FSYNC
584 BOOL disable_fsync = FALSE;
585 #endif
586 BOOL disable_ipv6 = FALSE;
587 BOOL disable_logging = FALSE;
588
589 #ifndef DISABLE_DKIM
590 uschar *dkim_cur_signer = NULL;
591 uschar *dkim_signers = NULL;
592 uschar *dkim_signing_domain = NULL;
593 uschar *dkim_signing_selector = NULL;
594 uschar *dkim_verify_signers = US"$dkim_signers";
595 BOOL dkim_collect_input = FALSE;
596 BOOL dkim_disable_verify = FALSE;
597 #endif
598 #ifdef EXPERIMENTAL_DMARC
599 BOOL dmarc_has_been_checked = FALSE;
600 uschar *dmarc_ar_header = NULL;
601 uschar *dmarc_domain_policy = NULL;
602 uschar *dmarc_forensic_sender = NULL;
603 uschar *dmarc_history_file = NULL;
604 uschar *dmarc_status = NULL;
605 uschar *dmarc_status_text = NULL;
606 uschar *dmarc_tld_file = NULL;
607 uschar *dmarc_used_domain = NULL;
608 BOOL dmarc_disable_verify = FALSE;
609 BOOL dmarc_enable_forensic = FALSE;
610 #endif
611
612 uschar *dns_again_means_nonexist = NULL;
613 int dns_csa_search_limit = 5;
614 BOOL dns_csa_use_reverse = TRUE;
615 uschar *dns_ipv4_lookup = NULL;
616 int dns_retrans = 0;
617 int dns_retry = 0;
618 int dns_dnssec_ok = -1; /* <0 = not coerced */
619 int dns_use_edns0 = -1; /* <0 = not coerced */
620 uschar *dnslist_domain = NULL;
621 uschar *dnslist_matched = NULL;
622 uschar *dnslist_text = NULL;
623 uschar *dnslist_value = NULL;
624 tree_node *domainlist_anchor = NULL;
625 int domainlist_count = 0;
626 BOOL dont_deliver = FALSE;
627 BOOL dot_ends = TRUE;
628 BOOL drop_cr = FALSE; /* No longer used */
629 uschar *dsn_from = US DEFAULT_DSN_FROM;
630
631 BOOL enable_dollar_recipients = FALSE;
632 BOOL envelope_to_remove = TRUE;
633 int errno_quota = ERRNO_QUOTA;
634 uschar *errors_copy = NULL;
635 int error_handling = ERRORS_SENDER;
636 uschar *errors_reply_to = NULL;
637 int errors_sender_rc = EXIT_FAILURE;
638
639 gid_t exim_gid = EXIM_GID;
640 BOOL exim_gid_set = TRUE; /* This gid is always set */
641 uschar *exim_path = US BIN_DIRECTORY "/exim"
642 "\0<---------------Space to patch exim_path->";
643 uid_t exim_uid = EXIM_UID;
644 BOOL exim_uid_set = TRUE; /* This uid is always set */
645 int expand_forbid = 0;
646 int expand_nlength[EXPAND_MAXN+1];
647 int expand_nmax = -1;
648 uschar *expand_nstring[EXPAND_MAXN+1];
649 BOOL expand_string_forcedfail = FALSE;
650 uschar *expand_string_message;
651 BOOL extract_addresses_remove_arguments = TRUE;
652 uschar *extra_local_interfaces = NULL;
653
654 int fake_response = OK;
655 uschar *fake_response_text = US"Your message has been rejected but is "
656 "being kept for evaluation.\nIf it was a "
657 "legitimate message, it may still be "
658 "delivered to the target recipient(s).";
659 int filter_n[FILTER_VARIABLE_COUNT];
660 BOOL filter_running = FALSE;
661 int filter_sn[FILTER_VARIABLE_COUNT];
662 int filter_test = FTEST_NONE;
663 uschar *filter_test_sfile = NULL;
664 uschar *filter_test_ufile = NULL;
665 uschar *filter_thisaddress = NULL;
666 int finduser_retries = 0;
667 #ifdef WITH_OLD_DEMIME
668 uschar *found_extension = NULL;
669 #endif
670 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
671 uschar *freeze_tell = NULL;
672 uschar *freeze_tell_config = NULL;
673 uschar *fudged_queue_times = US"";
674
675 uschar *gecos_name = NULL;
676 uschar *gecos_pattern = NULL;
677 rewrite_rule *global_rewrite_rules = NULL;
678
679 uschar *headers_charset = US HEADERS_CHARSET;
680 int header_insert_maxlen = 64 * 1024;
681 header_line *header_last = NULL;
682 header_line *header_list = NULL;
683 int header_maxsize = HEADER_MAXSIZE;
684 int header_line_maxsize = 0;
685
686 header_name header_names[] = {
687 { US"bcc", 3, TRUE, htype_bcc },
688 { US"cc", 2, TRUE, htype_cc },
689 { US"date", 4, TRUE, htype_date },
690 { US"delivery-date", 13, FALSE, htype_delivery_date },
691 { US"envelope-to", 11, FALSE, htype_envelope_to },
692 { US"from", 4, TRUE, htype_from },
693 { US"message-id", 10, TRUE, htype_id },
694 { US"received", 8, FALSE, htype_received },
695 { US"reply-to", 8, FALSE, htype_reply_to },
696 { US"return-path", 11, FALSE, htype_return_path },
697 { US"sender", 6, TRUE, htype_sender },
698 { US"subject", 7, FALSE, htype_subject },
699 { US"to", 2, TRUE, htype_to }
700 };
701
702 int header_names_size = sizeof(header_names)/sizeof(header_name);
703
704 BOOL header_rewritten = FALSE;
705 uschar *helo_accept_junk_hosts = NULL;
706 uschar *helo_allow_chars = US"";
707 uschar *helo_lookup_domains = US"@ : @[]";
708 uschar *helo_try_verify_hosts = NULL;
709 BOOL helo_verified = FALSE;
710 BOOL helo_verify_failed = FALSE;
711 uschar *helo_verify_hosts = NULL;
712 const uschar *hex_digits = CUS"0123456789abcdef";
713 uschar *hold_domains = NULL;
714 BOOL host_checking = FALSE;
715 BOOL host_checking_callout = FALSE;
716 uschar *host_data = NULL;
717 BOOL host_find_failed_syntax= FALSE;
718 uschar *host_lookup = NULL;
719 BOOL host_lookup_deferred = FALSE;
720 BOOL host_lookup_failed = FALSE;
721 uschar *host_lookup_order = US"bydns:byaddr";
722 uschar *host_lookup_msg = US"";
723 int host_number = 0;
724 uschar *host_number_string = NULL;
725 uschar *host_reject_connection = NULL;
726 tree_node *hostlist_anchor = NULL;
727 int hostlist_count = 0;
728 uschar *hosts_treat_as_local = NULL;
729 uschar *hosts_connection_nolog = NULL;
730
731 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
732 BOOL ignore_fromline_local = FALSE;
733 uschar *ignore_fromline_hosts = NULL;
734 BOOL inetd_wait_mode = FALSE;
735 int inetd_wait_timeout = -1;
736 uschar *interface_address = NULL;
737 int interface_port = -1;
738 BOOL is_inetd = FALSE;
739 uschar *iterate_item = NULL;
740
741 int journal_fd = -1;
742
743 int keep_malformed = 4*24*60*60; /* 4 days */
744
745 uschar *eldap_dn = NULL;
746 int load_average = -2;
747 BOOL local_error_message = FALSE;
748 BOOL local_from_check = TRUE;
749 uschar *local_from_prefix = NULL;
750 uschar *local_from_suffix = NULL;
751
752 #if HAVE_IPV6
753 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
754 #else
755 uschar *local_interfaces = US"0.0.0.0";
756 #endif
757
758 uschar *local_scan_data = NULL;
759 int local_scan_timeout = 5*60;
760 BOOL local_sender_retain = FALSE;
761 gid_t local_user_gid = (gid_t)(-1);
762 uid_t local_user_uid = (uid_t)(-1);
763
764 tree_node *localpartlist_anchor= NULL;
765 int localpartlist_count = 0;
766 uschar *log_buffer = NULL;
767 unsigned int log_extra_selector = LX_default;
768 uschar *log_file_path = US LOG_FILE_PATH
769 "\0<--------------Space to patch log_file_path->";
770
771 /* Those log options with L_xxx identifiers have values less than 0x800000 and
772 are the ones that get put into log_write_selector. They can be used in calls to
773 log_write() to test for the bit. The options with LX_xxx identifiers have
774 values greater than 0x80000000 and are put into log_extra_selector (without the
775 top bit). They are never used in calls to log_write(), but are tested
776 independently. This separation became necessary when the number of log
777 selectors was getting close to filling a 32-bit word. */
778
779 /* Note that this list must be in alphabetical order. */
780
781 bit_table log_options[] = {
782 { US"8bitmime", LX_8bitmime },
783 { US"acl_warn_skipped", LX_acl_warn_skipped },
784 { US"address_rewrite", L_address_rewrite },
785 { US"all", L_all },
786 { US"all_parents", L_all_parents },
787 { US"arguments", LX_arguments },
788 { US"connection_reject", L_connection_reject },
789 { US"delay_delivery", L_delay_delivery },
790 { US"deliver_time", LX_deliver_time },
791 { US"delivery_size", LX_delivery_size },
792 { US"dnslist_defer", L_dnslist_defer },
793 { US"etrn", L_etrn },
794 { US"host_lookup_failed", L_host_lookup_failed },
795 { US"ident_timeout", LX_ident_timeout },
796 { US"incoming_interface", LX_incoming_interface },
797 { US"incoming_port", LX_incoming_port },
798 { US"lost_incoming_connection", L_lost_incoming_connection },
799 { US"outgoing_port", LX_outgoing_port },
800 { US"pid", LX_pid },
801 #ifdef EXPERIMENTAL_PROXY
802 { US"proxy", LX_proxy },
803 #endif
804 { US"queue_run", L_queue_run },
805 { US"queue_time", LX_queue_time },
806 { US"queue_time_overall", LX_queue_time_overall },
807 { US"received_recipients", LX_received_recipients },
808 { US"received_sender", LX_received_sender },
809 { US"rejected_header", LX_rejected_header },
810 { US"rejected_headers", LX_rejected_header },
811 { US"retry_defer", L_retry_defer },
812 { US"return_path_on_delivery", LX_return_path_on_delivery },
813 { US"sender_on_delivery", LX_sender_on_delivery },
814 { US"sender_verify_fail", LX_sender_verify_fail },
815 { US"size_reject", L_size_reject },
816 { US"skip_delivery", L_skip_delivery },
817 { US"smtp_confirmation", LX_smtp_confirmation },
818 { US"smtp_connection", L_smtp_connection },
819 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
820 { US"smtp_mailauth", LX_smtp_mailauth },
821 { US"smtp_no_mail", LX_smtp_no_mail },
822 { US"smtp_protocol_error", L_smtp_protocol_error },
823 { US"smtp_syntax_error", L_smtp_syntax_error },
824 { US"subject", LX_subject },
825 { US"tls_certificate_verified", LX_tls_certificate_verified },
826 { US"tls_cipher", LX_tls_cipher },
827 { US"tls_peerdn", LX_tls_peerdn },
828 { US"tls_sni", LX_tls_sni },
829 { US"unknown_in_list", LX_unknown_in_list }
830 };
831
832 int log_options_count = sizeof(log_options)/sizeof(bit_table);
833 int log_reject_target = 0;
834 uschar *log_selector_string = NULL;
835 FILE *log_stderr = NULL;
836 BOOL log_testing_mode = FALSE;
837 BOOL log_timezone = FALSE;
838 unsigned int log_write_selector= L_default;
839 uschar *login_sender_address = NULL;
840 int lookup_open_max = 25;
841 uschar *lookup_value = NULL;
842
843 macro_item *macros = NULL;
844 uschar *mailstore_basename = NULL;
845 #ifdef WITH_CONTENT_SCAN
846 uschar *malware_name = NULL; /* Virus Name */
847 #endif
848 int max_received_linelength= 0;
849 int max_username_length = 0;
850 int message_age = 0;
851 uschar *message_body = NULL;
852 uschar *message_body_end = NULL;
853 BOOL message_body_newlines = FALSE;
854 int message_body_size = 0;
855 int message_body_visible = 500;
856 int message_ended = END_NOTSTARTED;
857 uschar *message_headers = NULL;
858 uschar *message_id;
859 uschar *message_id_domain = NULL;
860 uschar *message_id_text = NULL;
861 struct timeval message_id_tv = { 0, 0 };
862 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
863 uschar *message_id_external;
864 int message_linecount = 0;
865 BOOL message_logs = TRUE;
866 int message_size = 0;
867 uschar *message_size_limit = US"50M";
868 uschar message_subdir[2] = { 0, 0 };
869 uschar *message_reference = NULL;
870
871 /* MIME ACL expandables */
872 #ifdef WITH_CONTENT_SCAN
873 int mime_anomaly_level = 0;
874 const uschar *mime_anomaly_text = NULL;
875 uschar *mime_boundary = NULL;
876 uschar *mime_charset = NULL;
877 uschar *mime_content_description = NULL;
878 uschar *mime_content_disposition = NULL;
879 uschar *mime_content_id = NULL;
880 unsigned int mime_content_size = 0;
881 uschar *mime_content_transfer_encoding = NULL;
882 uschar *mime_content_type = NULL;
883 uschar *mime_decoded_filename = NULL;
884 uschar *mime_filename = NULL;
885 int mime_is_multipart = 0;
886 int mime_is_coverletter = 0;
887 int mime_is_rfc822 = 0;
888 int mime_part_count = -1;
889 #endif
890
891 BOOL mua_wrapper = FALSE;
892
893 uid_t *never_users = NULL;
894 #ifdef WITH_CONTENT_SCAN
895 BOOL no_mbox_unspool = FALSE;
896 #endif
897 BOOL no_multiline_responses = FALSE;
898
899 uid_t original_euid;
900 gid_t originator_gid;
901 uschar *originator_login = NULL;
902 uschar *originator_name = NULL;
903 uid_t originator_uid;
904 uschar *override_local_interfaces = NULL;
905 uschar *override_pid_file_path = NULL;
906
907 BOOL parse_allow_group = FALSE;
908 BOOL parse_found_group = FALSE;
909 uschar *percent_hack_domains = NULL;
910 uschar *pid_file_path = US PID_FILE_PATH
911 "\0<--------------Space to patch pid_file_path->";
912 BOOL pipelining_enable = TRUE;
913 uschar *pipelining_advertise_hosts = US"*";
914 BOOL preserve_message_logs = FALSE;
915 uschar *primary_hostname = NULL;
916 BOOL print_topbitchars = FALSE;
917 uschar process_info[PROCESS_INFO_SIZE];
918 int process_info_len = 0;
919 uschar *process_log_path = NULL;
920 BOOL prod_requires_admin = TRUE;
921
922 #ifdef EXPERIMENTAL_PROXY
923 uschar *proxy_host_address = US"";
924 int proxy_host_port = 0;
925 uschar *proxy_required_hosts = US"";
926 BOOL proxy_session = FALSE;
927 BOOL proxy_session_failed = FALSE;
928 #endif
929
930 uschar *prvscheck_address = NULL;
931 uschar *prvscheck_keynum = NULL;
932 uschar *prvscheck_result = NULL;
933
934
935 uschar *qualify_domain_recipient = NULL;
936 uschar *qualify_domain_sender = NULL;
937 BOOL queue_2stage = FALSE;
938 uschar *queue_domains = NULL;
939 int queue_interval = -1;
940 BOOL queue_list_requires_admin = TRUE;
941 BOOL queue_only = FALSE;
942 uschar *queue_only_file = NULL;
943 int queue_only_load = -1;
944 BOOL queue_only_load_latch = TRUE;
945 BOOL queue_only_override = TRUE;
946 BOOL queue_only_policy = FALSE;
947 BOOL queue_run_first_delivery = FALSE;
948 BOOL queue_run_force = FALSE;
949 BOOL queue_run_in_order = FALSE;
950 BOOL queue_run_local = FALSE;
951 int queue_run_max = 5;
952 pid_t queue_run_pid = (pid_t)0;
953 int queue_run_pipe = -1;
954 BOOL queue_running = FALSE;
955 BOOL queue_smtp = FALSE;
956 uschar *queue_smtp_domains = NULL;
957
958 unsigned int random_seed = 0;
959 tree_node *ratelimiters_cmd = NULL;
960 tree_node *ratelimiters_conn = NULL;
961 tree_node *ratelimiters_mail = NULL;
962 uschar *raw_active_hostname = NULL;
963 uschar *raw_sender = NULL;
964 uschar **raw_recipients = NULL;
965 int raw_recipients_count = 0;
966
967 int rcpt_count = 0;
968 int rcpt_fail_count = 0;
969 int rcpt_defer_count = 0;
970 gid_t real_gid;
971 uid_t real_uid;
972 BOOL really_exim = TRUE;
973 BOOL receive_call_bombout = FALSE;
974 int receive_linecount = 0;
975 int receive_messagecount = 0;
976 int receive_timeout = 0;
977 int received_count = 0;
978 uschar *received_for = NULL;
979
980 /* This is the default text for Received headers generated by Exim. The
981 date will be automatically added on the end. */
982
983 uschar *received_header_text = US
984 "Received: "
985 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
986 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
987 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
988 "by $primary_hostname "
989 "${if def:received_protocol {with $received_protocol}} "
990 #ifdef SUPPORT_TLS
991 "${if def:tls_cipher {($tls_cipher)\n\t}}"
992 #endif
993 "(Exim $version_number)\n\t"
994 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
995 "id $message_exim_id"
996 "${if def:received_for {\n\tfor $received_for}}"
997 "\0<---------------Space to patch received_header_text->";
998
999 int received_headers_max = 30;
1000 uschar *received_protocol = NULL;
1001 int received_time = 0;
1002 uschar *recipient_data = NULL;
1003 uschar *recipient_unqualified_hosts = NULL;
1004 uschar *recipient_verify_failure = NULL;
1005 int recipients_count = 0;
1006 BOOL recipients_discarded = FALSE;
1007 recipient_item *recipients_list = NULL;
1008 int recipients_list_max = 0;
1009 int recipients_max = 0;
1010 BOOL recipients_max_reject = FALSE;
1011 const pcre *regex_AUTH = NULL;
1012 const pcre *regex_check_dns_names = NULL;
1013 const pcre *regex_From = NULL;
1014 const pcre *regex_IGNOREQUOTA = NULL;
1015 const pcre *regex_PIPELINING = NULL;
1016 const pcre *regex_SIZE = NULL;
1017 const pcre *regex_smtp_code = NULL;
1018 const pcre *regex_ismsgid = NULL;
1019 #ifdef WHITELIST_D_MACROS
1020 const pcre *regex_whitelisted_macro = NULL;
1021 #endif
1022 #ifdef WITH_CONTENT_SCAN
1023 uschar *regex_match_string = NULL;
1024 #endif
1025 int remote_delivery_count = 0;
1026 int remote_max_parallel = 2;
1027 uschar *remote_sort_domains = NULL;
1028 int retry_data_expire = 7*24*60*60;
1029 int retry_interval_max = 24*60*60;
1030 int retry_maximum_timeout = 0; /* set from retry config */
1031 retry_config *retries = NULL;
1032 uschar *return_path = NULL;
1033 BOOL return_path_remove = TRUE;
1034 int rewrite_existflags = 0;
1035 uschar *rfc1413_hosts = US"*";
1036 int rfc1413_query_timeout = 5;
1037 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1038 uid_t root_gid = ROOT_GID;
1039 uid_t root_uid = ROOT_UID;
1040
1041 router_instance *routers = NULL;
1042 router_instance router_defaults = {
1043 NULL, /* chain pointer */
1044 NULL, /* name */
1045 NULL, /* info */
1046 NULL, /* private options block pointer */
1047 NULL, /* driver name */
1048
1049 NULL, /* address_data */
1050 #ifdef EXPERIMENTAL_BRIGHTMAIL
1051 NULL, /* bmi_rule */
1052 #endif
1053 NULL, /* cannot_route_message */
1054 NULL, /* condition */
1055 NULL, /* current_directory */
1056 NULL, /* debug_string */
1057 NULL, /* domains */
1058 NULL, /* errors_to */
1059 NULL, /* expand_gid */
1060 NULL, /* expand_uid */
1061 NULL, /* expand_more */
1062 NULL, /* expand_unseen */
1063 NULL, /* extra_headers */
1064 NULL, /* fallback_hosts */
1065 NULL, /* home_directory */
1066 NULL, /* ignore_target_hosts */
1067 NULL, /* local_parts */
1068 NULL, /* pass_router_name */
1069 NULL, /* prefix */
1070 NULL, /* redirect_router_name */
1071 NULL, /* remove_headers */
1072 NULL, /* require_files */
1073 NULL, /* router_home_directory */
1074 US"freeze", /* self */
1075 NULL, /* senders */
1076 NULL, /* suffix */
1077 NULL, /* translate_ip_address */
1078 NULL, /* transport_name */
1079
1080 TRUE, /* address_test */
1081 #ifdef EXPERIMENTAL_BRIGHTMAIL
1082 FALSE, /* bmi_deliver_alternate */
1083 FALSE, /* bmi_deliver_default */
1084 FALSE, /* bmi_dont_deliver */
1085 #endif
1086 TRUE, /* expn */
1087 FALSE, /* caseful_local_part */
1088 FALSE, /* check_local_user */
1089 FALSE, /* disable_logging */
1090 FALSE, /* fail_verify_recipient */
1091 FALSE, /* fail_verify_sender */
1092 FALSE, /* gid_set */
1093 FALSE, /* initgroups */
1094 TRUE_UNSET, /* log_as_local */
1095 TRUE, /* more */
1096 FALSE, /* pass_on_timeout */
1097 FALSE, /* prefix_optional */
1098 TRUE, /* repeat_use */
1099 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1100 FALSE, /* same_domain_copy_routing */
1101 FALSE, /* self_rewrite */
1102 FALSE, /* suffix_optional */
1103 FALSE, /* verify_only */
1104 TRUE, /* verify_recipient */
1105 TRUE, /* verify_sender */
1106 FALSE, /* uid_set */
1107 FALSE, /* unseen */
1108
1109 self_freeze, /* self_code */
1110 (uid_t)(-1), /* uid */
1111 (gid_t)(-1), /* gid */
1112
1113 NULL, /* fallback_hostlist */
1114 NULL, /* transport instance */
1115 NULL, /* pass_router */
1116 NULL /* redirect_router */
1117 };
1118
1119 uschar *router_name = NULL;
1120
1121 ip_address_item *running_interfaces = NULL;
1122 BOOL running_in_test_harness = FALSE;
1123
1124 /* This is a weird one. The following string gets patched in the binary by the
1125 script that sets up a copy of Exim for running in the test harness. It seems
1126 that compilers are now clever, and share constant strings if they can.
1127 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1128 make use of the end of this string in order to save space. So the patching then
1129 wrecks this. We defeat this optimization by adding some additional characters
1130 onto the end of the string. */
1131
1132 uschar *running_status = US">>>running<<<" "\0EXTRA";
1133
1134 int runrc = 0;
1135
1136 uschar *search_error_message = NULL;
1137 BOOL search_find_defer = FALSE;
1138 uschar *self_hostname = NULL;
1139 uschar *sender_address = NULL;
1140 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1141 uschar *sender_address_data = NULL;
1142 BOOL sender_address_forced = FALSE;
1143 uschar *sender_address_unrewritten = NULL;
1144 uschar *sender_data = NULL;
1145 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1146 uschar *sender_fullhost = NULL;
1147 uschar *sender_helo_name = NULL;
1148 uschar **sender_host_aliases = &no_aliases;
1149 uschar *sender_host_address = NULL;
1150 uschar *sender_host_authenticated = NULL;
1151 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1152 BOOL sender_host_dnssec = FALSE;
1153 uschar *sender_host_name = NULL;
1154 int sender_host_port = 0;
1155 BOOL sender_host_notsocket = FALSE;
1156 BOOL sender_host_unknown = FALSE;
1157 uschar *sender_ident = NULL;
1158 BOOL sender_local = FALSE;
1159 BOOL sender_name_forced = FALSE;
1160 uschar *sender_rate = NULL;
1161 uschar *sender_rate_limit = NULL;
1162 uschar *sender_rate_period = NULL;
1163 uschar *sender_rcvhost = NULL;
1164 BOOL sender_set_untrusted = FALSE;
1165 uschar *sender_unqualified_hosts = NULL;
1166 uschar *sender_verify_failure = NULL;
1167 address_item *sender_verified_list = NULL;
1168 address_item *sender_verified_failed = NULL;
1169 int sender_verified_rc = -1;
1170 BOOL sender_verified_responded = FALSE;
1171 uschar *sending_ip_address = NULL;
1172 int sending_port = -1;
1173 SIGNAL_BOOL sigalrm_seen = FALSE;
1174 uschar **sighup_argv = NULL;
1175 int smtp_accept_count = 0;
1176 BOOL smtp_accept_keepalive = TRUE;
1177 int smtp_accept_max = 20;
1178 int smtp_accept_max_nonmail= 10;
1179 uschar *smtp_accept_max_nonmail_hosts = US"*";
1180 int smtp_accept_max_per_connection = 1000;
1181 uschar *smtp_accept_max_per_host = NULL;
1182 int smtp_accept_queue = 0;
1183 int smtp_accept_queue_per_connection = 10;
1184 int smtp_accept_reserve = 0;
1185 uschar *smtp_active_hostname = NULL;
1186 BOOL smtp_authenticated = FALSE;
1187 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1188 "Exim $version_number $tod_full"
1189 "\0<---------------Space to patch smtp_banner->";
1190 BOOL smtp_batched_input = FALSE;
1191 BOOL smtp_check_spool_space = TRUE;
1192 int smtp_ch_index = 0;
1193 uschar *smtp_cmd_argument = NULL;
1194 uschar *smtp_cmd_buffer = NULL;
1195 time_t smtp_connection_start = 0;
1196 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1197 int smtp_connect_backlog = 20;
1198 double smtp_delay_mail = 0.0;
1199 double smtp_delay_rcpt = 0.0;
1200 BOOL smtp_enforce_sync = TRUE;
1201 FILE *smtp_in = NULL;
1202 BOOL smtp_input = FALSE;
1203 int smtp_load_reserve = -1;
1204 int smtp_mailcmd_count = 0;
1205 FILE *smtp_out = NULL;
1206 uschar *smtp_etrn_command = NULL;
1207 BOOL smtp_etrn_serialize = TRUE;
1208 int smtp_max_synprot_errors= 3;
1209 int smtp_max_unknown_commands = 3;
1210 uschar *smtp_notquit_reason = NULL;
1211 uschar *smtp_ratelimit_hosts = NULL;
1212 uschar *smtp_ratelimit_mail = NULL;
1213 uschar *smtp_ratelimit_rcpt = NULL;
1214 uschar *smtp_read_error = US"";
1215 int smtp_receive_timeout = 5*60;
1216 uschar *smtp_reserve_hosts = NULL;
1217 BOOL smtp_return_error_details = FALSE;
1218 int smtp_rlm_base = 0;
1219 double smtp_rlm_factor = 0.0;
1220 int smtp_rlm_limit = 0;
1221 int smtp_rlm_threshold = INT_MAX;
1222 int smtp_rlr_base = 0;
1223 double smtp_rlr_factor = 0.0;
1224 int smtp_rlr_limit = 0;
1225 int smtp_rlr_threshold = INT_MAX;
1226 BOOL smtp_use_pipelining = FALSE;
1227 BOOL smtp_use_size = FALSE;
1228
1229 #ifdef WITH_CONTENT_SCAN
1230 uschar *spamd_address = US"127.0.0.1 783";
1231 uschar *spam_bar = NULL;
1232 uschar *spam_report = NULL;
1233 uschar *spam_score = NULL;
1234 uschar *spam_score_int = NULL;
1235 #endif
1236 #ifdef EXPERIMENTAL_SPF
1237 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1238 uschar *spf_header_comment = NULL;
1239 uschar *spf_received = NULL;
1240 uschar *spf_result = NULL;
1241 uschar *spf_smtp_comment = NULL;
1242 #endif
1243
1244 BOOL split_spool_directory = FALSE;
1245 uschar *spool_directory = US SPOOL_DIRECTORY
1246 "\0<--------------Space to patch spool_directory->";
1247 #ifdef EXPERIMENTAL_SRS
1248 uschar *srs_config = NULL;
1249 uschar *srs_db_address = NULL;
1250 uschar *srs_db_key = NULL;
1251 int srs_hashlength = 6;
1252 int srs_hashmin = -1;
1253 int srs_maxage = 31;
1254 uschar *srs_orig_recipient = NULL;
1255 uschar *srs_orig_sender = NULL;
1256 uschar *srs_recipient = NULL;
1257 uschar *srs_secrets = NULL;
1258 uschar *srs_status = NULL;
1259 BOOL srs_usehash = TRUE;
1260 BOOL srs_usetimestamp = TRUE;
1261 #endif
1262 BOOL strict_acl_vars = FALSE;
1263 int string_datestamp_offset= -1;
1264 int string_datestamp_length= 0;
1265 int string_datestamp_type = -1;
1266 BOOL strip_excess_angle_brackets = FALSE;
1267 BOOL strip_trailing_dot = FALSE;
1268 uschar *submission_domain = NULL;
1269 BOOL submission_mode = FALSE;
1270 uschar *submission_name = NULL;
1271 BOOL suppress_local_fixups = FALSE;
1272 BOOL suppress_local_fixups_default = FALSE;
1273 BOOL synchronous_delivery = FALSE;
1274 BOOL syslog_duplication = TRUE;
1275 int syslog_facility = LOG_MAIL;
1276 uschar *syslog_processname = US"exim";
1277 BOOL syslog_timestamp = TRUE;
1278 uschar *system_filter = NULL;
1279
1280 uschar *system_filter_directory_transport = NULL;
1281 uschar *system_filter_file_transport = NULL;
1282 uschar *system_filter_pipe_transport = NULL;
1283 uschar *system_filter_reply_transport = NULL;
1284
1285 gid_t system_filter_gid = 0;
1286 BOOL system_filter_gid_set = FALSE;
1287 uid_t system_filter_uid = (uid_t)-1;
1288 BOOL system_filter_uid_set = FALSE;
1289 BOOL system_filtering = FALSE;
1290
1291 BOOL tcp_nodelay = TRUE;
1292 #ifdef USE_TCP_WRAPPERS
1293 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1294 #endif
1295 int test_harness_load_avg = 0;
1296 int thismessage_size_limit = 0;
1297 int timeout_frozen_after = 0;
1298 BOOL timestamps_utc = FALSE;
1299
1300 #ifdef EXPERIMENTAL_TPDA
1301 int tpda_defer_errno = 0;
1302 uschar *tpda_defer_errstr = NULL;
1303 uschar *tpda_delivery_ip = NULL;
1304 int tpda_delivery_port = 0;
1305 uschar *tpda_delivery_fqdn = NULL;
1306 uschar *tpda_delivery_local_part= NULL;
1307 uschar *tpda_delivery_domain = NULL;
1308 uschar *tpda_delivery_confirmation = NULL;
1309 #endif
1310
1311 transport_instance *transports = NULL;
1312
1313 transport_instance transport_defaults = {
1314 NULL, /* chain pointer */
1315 NULL, /* name */
1316 NULL, /* info */
1317 NULL, /* private options block pointer */
1318 NULL, /* driver name */
1319 NULL, /* setup entry point */
1320 1, /* batch_max */
1321 NULL, /* batch_id */
1322 NULL, /* home_dir */
1323 NULL, /* current_dir */
1324 TRUE, /* multi-domain */
1325 FALSE, /* overrides_hosts */
1326 100, /* max_addresses */
1327 500, /* connection_max_messages */
1328 FALSE, /* deliver_as_creator */
1329 FALSE, /* disable_logging */
1330 FALSE, /* initgroups */
1331 FALSE, /* uid_set */
1332 FALSE, /* gid_set */
1333 (uid_t)(-1), /* uid */
1334 (gid_t)(-1), /* gid */
1335 NULL, /* expand_uid */
1336 NULL, /* expand_gid */
1337 NULL, /* warn_message */
1338 NULL, /* shadow */
1339 NULL, /* shadow_condition */
1340 NULL, /* filter_command */
1341 NULL, /* add_headers */
1342 NULL, /* remove_headers */
1343 NULL, /* return_path */
1344 NULL, /* debug_string */
1345 NULL, /* message_size_limit */
1346 NULL, /* headers_rewrite */
1347 NULL, /* rewrite_rules */
1348 0, /* rewrite_existflags */
1349 300, /* filter_timeout */
1350 FALSE, /* body_only */
1351 FALSE, /* delivery_date_add */
1352 FALSE, /* envelope_to_add */
1353 FALSE, /* headers_only */
1354 FALSE, /* rcpt_include_affixes */
1355 FALSE, /* return_path_add */
1356 FALSE, /* return_output */
1357 FALSE, /* return_fail_output */
1358 FALSE, /* log_output */
1359 FALSE, /* log_fail_output */
1360 FALSE, /* log_defer_output */
1361 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1362 1 nor 0 so can detect unset */
1363 };
1364
1365 int transport_count;
1366 uschar *transport_name = NULL;
1367 int transport_newlines;
1368 uschar **transport_filter_argv = NULL;
1369 int transport_filter_timeout;
1370 BOOL transport_filter_timed_out = FALSE;
1371 int transport_write_timeout= 0;
1372
1373 tree_node *tree_dns_fails = NULL;
1374 tree_node *tree_duplicates = NULL;
1375 tree_node *tree_nonrecipients = NULL;
1376 tree_node *tree_unusable = NULL;
1377
1378 BOOL trusted_caller = FALSE;
1379 BOOL trusted_config = TRUE;
1380 gid_t *trusted_groups = NULL;
1381 uid_t *trusted_users = NULL;
1382 uschar *timezone_string = US TIMEZONE_DEFAULT;
1383
1384 uschar *unknown_login = NULL;
1385 uschar *unknown_username = NULL;
1386 uschar *untrusted_set_sender = NULL;
1387
1388 /* A regex for matching a "From_" line in an incoming message, in the form
1389
1390 From ph10 Fri Jan 5 12:35 GMT 1996
1391
1392 which the "mail" commands send to the MTA (undocumented, of course), or in
1393 the form
1394
1395 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1396
1397 which is apparently used by some UUCPs, despite it not being in RFC 976.
1398 Because of variations in time formats, just match up to the minutes. That
1399 should be sufficient. Examples have been seen of time fields like 12:1:03,
1400 so just require one digit for hours and minutes. The weekday is also absent
1401 in some forms. */
1402
1403 uschar *uucp_from_pattern = US
1404 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1405 "(?:" /* Non-extracting bracket */
1406 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1407 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1408 ")" /* End alternation */
1409 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1410
1411 uschar *uucp_from_sender = US"$1";
1412
1413 uschar *warn_message_file = NULL;
1414 uschar *warnmsg_delay = NULL;
1415 uschar *warnmsg_recipients = NULL;
1416 BOOL write_rejectlog = TRUE;
1417
1418 uschar *version_copyright =
1419 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1420 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1421 uschar *version_date = US"?";
1422 uschar *version_cnumber = US"????";
1423 uschar *version_string = US"?";
1424
1425 int warning_count = 0;
1426
1427 /* End of globals.c */
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