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Explicitly disable cutthrough on transports having filters
[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2012 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18 { "client_condition", opt_stringptr | opt_public,
19 (void *)(offsetof(auth_instance, client_condition)) },
20 { "client_set_id", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, set_client_id)) },
22 { "driver", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, driver_name)) },
24 { "public_name", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, public_name)) },
26 { "server_advertise_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, advertise_condition))},
28 { "server_condition", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_condition)) },
30 { "server_debug_print", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, server_debug_string)) },
32 { "server_mail_auth_condition", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, mail_auth_condition)) },
34 { "server_set_id", opt_stringptr | opt_public,
35 (void *)(offsetof(auth_instance, set_id)) }
36 };
37
38 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
39
40 /* An empty host aliases list. */
41
42 uschar *no_aliases = NULL;
43
44
45 /* For comments on these variables, see globals.h. I'm too idle to
46 duplicate them here... */
47
48 #ifdef EXIM_PERL
49 uschar *opt_perl_startup = NULL;
50 BOOL opt_perl_at_start = FALSE;
51 BOOL opt_perl_started = FALSE;
52 #endif
53
54 #ifdef EXPAND_DLFUNC
55 tree_node *dlobj_anchor = NULL;
56 #endif
57
58 #ifdef LOOKUP_IBASE
59 uschar *ibase_servers = NULL;
60 #endif
61
62 #ifdef LOOKUP_LDAP
63 uschar *eldap_ca_cert_dir = NULL;
64 uschar *eldap_ca_cert_file = NULL;
65 uschar *eldap_cert_file = NULL;
66 uschar *eldap_cert_key = NULL;
67 uschar *eldap_cipher_suite = NULL;
68 uschar *eldap_default_servers = NULL;
69 uschar *eldap_require_cert = NULL;
70 int eldap_version = -1;
71 BOOL eldap_start_tls = FALSE;
72 #endif
73
74 #ifdef LOOKUP_MYSQL
75 uschar *mysql_servers = NULL;
76 #endif
77
78 #ifdef LOOKUP_ORACLE
79 uschar *oracle_servers = NULL;
80 #endif
81
82 #ifdef LOOKUP_PGSQL
83 uschar *pgsql_servers = NULL;
84 #endif
85
86 #ifdef 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_forensic_sender = NULL;
602 uschar *dmarc_history_file = NULL;
603 uschar *dmarc_status = NULL;
604 uschar *dmarc_status_text = NULL;
605 uschar *dmarc_tld_file = NULL;
606 uschar *dmarc_used_domain = NULL;
607 BOOL dmarc_disable_verify = FALSE;
608 BOOL dmarc_enable_forensic = FALSE;
609 #endif
610
611 uschar *dns_again_means_nonexist = NULL;
612 int dns_csa_search_limit = 5;
613 BOOL dns_csa_use_reverse = TRUE;
614 uschar *dns_ipv4_lookup = NULL;
615 int dns_retrans = 0;
616 int dns_retry = 0;
617 int dns_dnssec_ok = -1; /* <0 = not coerced */
618 int dns_use_edns0 = -1; /* <0 = not coerced */
619 uschar *dnslist_domain = NULL;
620 uschar *dnslist_matched = NULL;
621 uschar *dnslist_text = NULL;
622 uschar *dnslist_value = NULL;
623 tree_node *domainlist_anchor = NULL;
624 int domainlist_count = 0;
625 BOOL dont_deliver = FALSE;
626 BOOL dot_ends = TRUE;
627 BOOL drop_cr = FALSE; /* No longer used */
628 uschar *dsn_from = US DEFAULT_DSN_FROM;
629
630 BOOL enable_dollar_recipients = FALSE;
631 BOOL envelope_to_remove = TRUE;
632 int errno_quota = ERRNO_QUOTA;
633 uschar *errors_copy = NULL;
634 int error_handling = ERRORS_SENDER;
635 uschar *errors_reply_to = NULL;
636 int errors_sender_rc = EXIT_FAILURE;
637
638 gid_t exim_gid = EXIM_GID;
639 BOOL exim_gid_set = TRUE; /* This gid is always set */
640 uschar *exim_path = US BIN_DIRECTORY "/exim"
641 "\0<---------------Space to patch exim_path->";
642 uid_t exim_uid = EXIM_UID;
643 BOOL exim_uid_set = TRUE; /* This uid is always set */
644 int expand_forbid = 0;
645 int expand_nlength[EXPAND_MAXN+1];
646 int expand_nmax = -1;
647 uschar *expand_nstring[EXPAND_MAXN+1];
648 BOOL expand_string_forcedfail = FALSE;
649 uschar *expand_string_message;
650 BOOL extract_addresses_remove_arguments = TRUE;
651 uschar *extra_local_interfaces = NULL;
652
653 int fake_response = OK;
654 uschar *fake_response_text = US"Your message has been rejected but is "
655 "being kept for evaluation.\nIf it was a "
656 "legitimate message, it may still be "
657 "delivered to the target recipient(s).";
658 int filter_n[FILTER_VARIABLE_COUNT];
659 BOOL filter_running = FALSE;
660 int filter_sn[FILTER_VARIABLE_COUNT];
661 int filter_test = FTEST_NONE;
662 uschar *filter_test_sfile = NULL;
663 uschar *filter_test_ufile = NULL;
664 uschar *filter_thisaddress = NULL;
665 int finduser_retries = 0;
666 #ifdef WITH_OLD_DEMIME
667 uschar *found_extension = NULL;
668 #endif
669 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
670 uschar *freeze_tell = NULL;
671 uschar *freeze_tell_config = NULL;
672 uschar *fudged_queue_times = US"";
673
674 uschar *gecos_name = NULL;
675 uschar *gecos_pattern = NULL;
676 rewrite_rule *global_rewrite_rules = NULL;
677
678 uschar *headers_charset = US HEADERS_CHARSET;
679 int header_insert_maxlen = 64 * 1024;
680 header_line *header_last = NULL;
681 header_line *header_list = NULL;
682 int header_maxsize = HEADER_MAXSIZE;
683 int header_line_maxsize = 0;
684
685 header_name header_names[] = {
686 { US"bcc", 3, TRUE, htype_bcc },
687 { US"cc", 2, TRUE, htype_cc },
688 { US"date", 4, TRUE, htype_date },
689 { US"delivery-date", 13, FALSE, htype_delivery_date },
690 { US"envelope-to", 11, FALSE, htype_envelope_to },
691 { US"from", 4, TRUE, htype_from },
692 { US"message-id", 10, TRUE, htype_id },
693 { US"received", 8, FALSE, htype_received },
694 { US"reply-to", 8, FALSE, htype_reply_to },
695 { US"return-path", 11, FALSE, htype_return_path },
696 { US"sender", 6, TRUE, htype_sender },
697 { US"subject", 7, FALSE, htype_subject },
698 { US"to", 2, TRUE, htype_to }
699 };
700
701 int header_names_size = sizeof(header_names)/sizeof(header_name);
702
703 BOOL header_rewritten = FALSE;
704 uschar *helo_accept_junk_hosts = NULL;
705 uschar *helo_allow_chars = US"";
706 uschar *helo_lookup_domains = US"@ : @[]";
707 uschar *helo_try_verify_hosts = NULL;
708 BOOL helo_verified = FALSE;
709 BOOL helo_verify_failed = FALSE;
710 uschar *helo_verify_hosts = NULL;
711 const uschar *hex_digits = CUS"0123456789abcdef";
712 uschar *hold_domains = NULL;
713 BOOL host_checking = FALSE;
714 BOOL host_checking_callout = FALSE;
715 uschar *host_data = NULL;
716 BOOL host_find_failed_syntax= FALSE;
717 uschar *host_lookup = NULL;
718 BOOL host_lookup_deferred = FALSE;
719 BOOL host_lookup_failed = FALSE;
720 uschar *host_lookup_order = US"bydns:byaddr";
721 uschar *host_lookup_msg = US"";
722 int host_number = 0;
723 uschar *host_number_string = NULL;
724 uschar *host_reject_connection = NULL;
725 tree_node *hostlist_anchor = NULL;
726 int hostlist_count = 0;
727 uschar *hosts_treat_as_local = NULL;
728 uschar *hosts_connection_nolog = NULL;
729
730 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
731 BOOL ignore_fromline_local = FALSE;
732 uschar *ignore_fromline_hosts = NULL;
733 BOOL inetd_wait_mode = FALSE;
734 int inetd_wait_timeout = -1;
735 uschar *interface_address = NULL;
736 int interface_port = -1;
737 BOOL is_inetd = FALSE;
738 uschar *iterate_item = NULL;
739
740 int journal_fd = -1;
741
742 int keep_malformed = 4*24*60*60; /* 4 days */
743
744 uschar *eldap_dn = NULL;
745 int load_average = -2;
746 BOOL local_error_message = FALSE;
747 BOOL local_from_check = TRUE;
748 uschar *local_from_prefix = NULL;
749 uschar *local_from_suffix = NULL;
750
751 #if HAVE_IPV6
752 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
753 #else
754 uschar *local_interfaces = US"0.0.0.0";
755 #endif
756
757 uschar *local_scan_data = NULL;
758 int local_scan_timeout = 5*60;
759 BOOL local_sender_retain = FALSE;
760 gid_t local_user_gid = (gid_t)(-1);
761 uid_t local_user_uid = (uid_t)(-1);
762
763 tree_node *localpartlist_anchor= NULL;
764 int localpartlist_count = 0;
765 uschar *log_buffer = NULL;
766 unsigned int log_extra_selector = LX_default;
767 uschar *log_file_path = US LOG_FILE_PATH
768 "\0<--------------Space to patch log_file_path->";
769
770 /* Those log options with L_xxx identifiers have values less than 0x800000 and
771 are the ones that get put into log_write_selector. They can be used in calls to
772 log_write() to test for the bit. The options with LX_xxx identifiers have
773 values greater than 0x80000000 and are put into log_extra_selector (without the
774 top bit). They are never used in calls to log_write(), but are tested
775 independently. This separation became necessary when the number of log
776 selectors was getting close to filling a 32-bit word. */
777
778 /* Note that this list must be in alphabetical order. */
779
780 bit_table log_options[] = {
781 { US"8bitmime", LX_8bitmime },
782 { US"acl_warn_skipped", LX_acl_warn_skipped },
783 { US"address_rewrite", L_address_rewrite },
784 { US"all", L_all },
785 { US"all_parents", L_all_parents },
786 { US"arguments", LX_arguments },
787 { US"connection_reject", L_connection_reject },
788 { US"delay_delivery", L_delay_delivery },
789 { US"deliver_time", LX_deliver_time },
790 { US"delivery_size", LX_delivery_size },
791 { US"dnslist_defer", L_dnslist_defer },
792 { US"etrn", L_etrn },
793 { US"host_lookup_failed", L_host_lookup_failed },
794 { US"ident_timeout", LX_ident_timeout },
795 { US"incoming_interface", LX_incoming_interface },
796 { US"incoming_port", LX_incoming_port },
797 { US"lost_incoming_connection", L_lost_incoming_connection },
798 { US"outgoing_port", LX_outgoing_port },
799 { US"pid", LX_pid },
800 #ifdef EXPERIMENTAL_PROXY
801 { US"proxy", LX_proxy },
802 #endif
803 { US"queue_run", L_queue_run },
804 { US"queue_time", LX_queue_time },
805 { US"queue_time_overall", LX_queue_time_overall },
806 { US"received_recipients", LX_received_recipients },
807 { US"received_sender", LX_received_sender },
808 { US"rejected_header", LX_rejected_header },
809 { US"rejected_headers", LX_rejected_header },
810 { US"retry_defer", L_retry_defer },
811 { US"return_path_on_delivery", LX_return_path_on_delivery },
812 { US"sender_on_delivery", LX_sender_on_delivery },
813 { US"sender_verify_fail", LX_sender_verify_fail },
814 { US"size_reject", L_size_reject },
815 { US"skip_delivery", L_skip_delivery },
816 { US"smtp_confirmation", LX_smtp_confirmation },
817 { US"smtp_connection", L_smtp_connection },
818 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
819 { US"smtp_mailauth", LX_smtp_mailauth },
820 { US"smtp_no_mail", LX_smtp_no_mail },
821 { US"smtp_protocol_error", L_smtp_protocol_error },
822 { US"smtp_syntax_error", L_smtp_syntax_error },
823 { US"subject", LX_subject },
824 { US"tls_certificate_verified", LX_tls_certificate_verified },
825 { US"tls_cipher", LX_tls_cipher },
826 { US"tls_peerdn", LX_tls_peerdn },
827 { US"tls_sni", LX_tls_sni },
828 { US"unknown_in_list", LX_unknown_in_list }
829 };
830
831 int log_options_count = sizeof(log_options)/sizeof(bit_table);
832 int log_reject_target = 0;
833 uschar *log_selector_string = NULL;
834 FILE *log_stderr = NULL;
835 BOOL log_testing_mode = FALSE;
836 BOOL log_timezone = FALSE;
837 unsigned int log_write_selector= L_default;
838 uschar *login_sender_address = NULL;
839 int lookup_open_max = 25;
840 uschar *lookup_value = NULL;
841
842 macro_item *macros = NULL;
843 uschar *mailstore_basename = NULL;
844 #ifdef WITH_CONTENT_SCAN
845 uschar *malware_name = NULL; /* Virus Name */
846 #endif
847 int max_received_linelength= 0;
848 int max_username_length = 0;
849 int message_age = 0;
850 uschar *message_body = NULL;
851 uschar *message_body_end = NULL;
852 BOOL message_body_newlines = FALSE;
853 int message_body_size = 0;
854 int message_body_visible = 500;
855 int message_ended = END_NOTSTARTED;
856 uschar *message_headers = NULL;
857 uschar *message_id;
858 uschar *message_id_domain = NULL;
859 uschar *message_id_text = NULL;
860 struct timeval message_id_tv = { 0, 0 };
861 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
862 uschar *message_id_external;
863 int message_linecount = 0;
864 BOOL message_logs = TRUE;
865 int message_size = 0;
866 uschar *message_size_limit = US"50M";
867 uschar message_subdir[2] = { 0, 0 };
868 uschar *message_reference = NULL;
869
870 /* MIME ACL expandables */
871 #ifdef WITH_CONTENT_SCAN
872 int mime_anomaly_level = 0;
873 const uschar *mime_anomaly_text = NULL;
874 uschar *mime_boundary = NULL;
875 uschar *mime_charset = NULL;
876 uschar *mime_content_description = NULL;
877 uschar *mime_content_disposition = NULL;
878 uschar *mime_content_id = NULL;
879 unsigned int mime_content_size = 0;
880 uschar *mime_content_transfer_encoding = NULL;
881 uschar *mime_content_type = NULL;
882 uschar *mime_decoded_filename = NULL;
883 uschar *mime_filename = NULL;
884 int mime_is_multipart = 0;
885 int mime_is_coverletter = 0;
886 int mime_is_rfc822 = 0;
887 int mime_part_count = -1;
888 #endif
889
890 BOOL mua_wrapper = FALSE;
891
892 uid_t *never_users = NULL;
893 #ifdef WITH_CONTENT_SCAN
894 BOOL no_mbox_unspool = FALSE;
895 #endif
896 BOOL no_multiline_responses = FALSE;
897
898 uid_t original_euid;
899 gid_t originator_gid;
900 uschar *originator_login = NULL;
901 uschar *originator_name = NULL;
902 uid_t originator_uid;
903 uschar *override_local_interfaces = NULL;
904 uschar *override_pid_file_path = NULL;
905
906 BOOL parse_allow_group = FALSE;
907 BOOL parse_found_group = FALSE;
908 uschar *percent_hack_domains = NULL;
909 uschar *pid_file_path = US PID_FILE_PATH
910 "\0<--------------Space to patch pid_file_path->";
911 BOOL pipelining_enable = TRUE;
912 uschar *pipelining_advertise_hosts = US"*";
913 BOOL preserve_message_logs = FALSE;
914 uschar *primary_hostname = NULL;
915 BOOL print_topbitchars = FALSE;
916 uschar process_info[PROCESS_INFO_SIZE];
917 int process_info_len = 0;
918 uschar *process_log_path = NULL;
919 BOOL prod_requires_admin = TRUE;
920
921 #ifdef EXPERIMENTAL_PROXY
922 uschar *proxy_host_address = US"";
923 int proxy_host_port = 0;
924 uschar *proxy_required_hosts = US"";
925 BOOL proxy_session = FALSE;
926 BOOL proxy_session_failed = FALSE;
927 #endif
928
929 uschar *prvscheck_address = NULL;
930 uschar *prvscheck_keynum = NULL;
931 uschar *prvscheck_result = NULL;
932
933
934 uschar *qualify_domain_recipient = NULL;
935 uschar *qualify_domain_sender = NULL;
936 BOOL queue_2stage = FALSE;
937 uschar *queue_domains = NULL;
938 int queue_interval = -1;
939 BOOL queue_list_requires_admin = TRUE;
940 BOOL queue_only = FALSE;
941 uschar *queue_only_file = NULL;
942 int queue_only_load = -1;
943 BOOL queue_only_load_latch = TRUE;
944 BOOL queue_only_override = TRUE;
945 BOOL queue_only_policy = FALSE;
946 BOOL queue_run_first_delivery = FALSE;
947 BOOL queue_run_force = FALSE;
948 BOOL queue_run_in_order = FALSE;
949 BOOL queue_run_local = FALSE;
950 int queue_run_max = 5;
951 pid_t queue_run_pid = (pid_t)0;
952 int queue_run_pipe = -1;
953 BOOL queue_running = FALSE;
954 BOOL queue_smtp = FALSE;
955 uschar *queue_smtp_domains = NULL;
956
957 unsigned int random_seed = 0;
958 tree_node *ratelimiters_cmd = NULL;
959 tree_node *ratelimiters_conn = NULL;
960 tree_node *ratelimiters_mail = NULL;
961 uschar *raw_active_hostname = NULL;
962 uschar *raw_sender = NULL;
963 uschar **raw_recipients = NULL;
964 int raw_recipients_count = 0;
965
966 int rcpt_count = 0;
967 int rcpt_fail_count = 0;
968 int rcpt_defer_count = 0;
969 gid_t real_gid;
970 uid_t real_uid;
971 BOOL really_exim = TRUE;
972 BOOL receive_call_bombout = FALSE;
973 int receive_linecount = 0;
974 int receive_messagecount = 0;
975 int receive_timeout = 0;
976 int received_count = 0;
977 uschar *received_for = NULL;
978
979 /* This is the default text for Received headers generated by Exim. The
980 date will be automatically added on the end. */
981
982 uschar *received_header_text = US
983 "Received: "
984 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
985 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
986 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
987 "by $primary_hostname "
988 "${if def:received_protocol {with $received_protocol}} "
989 #ifdef SUPPORT_TLS
990 "${if def:tls_cipher {($tls_cipher)\n\t}}"
991 #endif
992 "(Exim $version_number)\n\t"
993 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
994 "id $message_exim_id"
995 "${if def:received_for {\n\tfor $received_for}}"
996 "\0<---------------Space to patch received_header_text->";
997
998 int received_headers_max = 30;
999 uschar *received_protocol = NULL;
1000 int received_time = 0;
1001 uschar *recipient_data = NULL;
1002 uschar *recipient_unqualified_hosts = NULL;
1003 uschar *recipient_verify_failure = NULL;
1004 int recipients_count = 0;
1005 BOOL recipients_discarded = FALSE;
1006 recipient_item *recipients_list = NULL;
1007 int recipients_list_max = 0;
1008 int recipients_max = 0;
1009 BOOL recipients_max_reject = FALSE;
1010 const pcre *regex_AUTH = NULL;
1011 const pcre *regex_check_dns_names = NULL;
1012 const pcre *regex_From = NULL;
1013 const pcre *regex_IGNOREQUOTA = NULL;
1014 const pcre *regex_PIPELINING = NULL;
1015 const pcre *regex_SIZE = NULL;
1016 const pcre *regex_smtp_code = NULL;
1017 const pcre *regex_ismsgid = NULL;
1018 #ifdef WHITELIST_D_MACROS
1019 const pcre *regex_whitelisted_macro = NULL;
1020 #endif
1021 #ifdef WITH_CONTENT_SCAN
1022 uschar *regex_match_string = NULL;
1023 #endif
1024 int remote_delivery_count = 0;
1025 int remote_max_parallel = 2;
1026 uschar *remote_sort_domains = NULL;
1027 int retry_data_expire = 7*24*60*60;
1028 int retry_interval_max = 24*60*60;
1029 int retry_maximum_timeout = 0; /* set from retry config */
1030 retry_config *retries = NULL;
1031 uschar *return_path = NULL;
1032 BOOL return_path_remove = TRUE;
1033 int rewrite_existflags = 0;
1034 uschar *rfc1413_hosts = US"*";
1035 int rfc1413_query_timeout = 5;
1036 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1037 uid_t root_gid = ROOT_GID;
1038 uid_t root_uid = ROOT_UID;
1039
1040 router_instance *routers = NULL;
1041 router_instance router_defaults = {
1042 NULL, /* chain pointer */
1043 NULL, /* name */
1044 NULL, /* info */
1045 NULL, /* private options block pointer */
1046 NULL, /* driver name */
1047
1048 NULL, /* address_data */
1049 #ifdef EXPERIMENTAL_BRIGHTMAIL
1050 NULL, /* bmi_rule */
1051 #endif
1052 NULL, /* cannot_route_message */
1053 NULL, /* condition */
1054 NULL, /* current_directory */
1055 NULL, /* debug_string */
1056 NULL, /* domains */
1057 NULL, /* errors_to */
1058 NULL, /* expand_gid */
1059 NULL, /* expand_uid */
1060 NULL, /* expand_more */
1061 NULL, /* expand_unseen */
1062 NULL, /* extra_headers */
1063 NULL, /* fallback_hosts */
1064 NULL, /* home_directory */
1065 NULL, /* ignore_target_hosts */
1066 NULL, /* local_parts */
1067 NULL, /* pass_router_name */
1068 NULL, /* prefix */
1069 NULL, /* redirect_router_name */
1070 NULL, /* remove_headers */
1071 NULL, /* require_files */
1072 NULL, /* router_home_directory */
1073 US"freeze", /* self */
1074 NULL, /* senders */
1075 NULL, /* suffix */
1076 NULL, /* translate_ip_address */
1077 NULL, /* transport_name */
1078
1079 TRUE, /* address_test */
1080 #ifdef EXPERIMENTAL_BRIGHTMAIL
1081 FALSE, /* bmi_deliver_alternate */
1082 FALSE, /* bmi_deliver_default */
1083 FALSE, /* bmi_dont_deliver */
1084 #endif
1085 TRUE, /* expn */
1086 FALSE, /* caseful_local_part */
1087 FALSE, /* check_local_user */
1088 FALSE, /* disable_logging */
1089 FALSE, /* fail_verify_recipient */
1090 FALSE, /* fail_verify_sender */
1091 FALSE, /* gid_set */
1092 FALSE, /* initgroups */
1093 TRUE_UNSET, /* log_as_local */
1094 TRUE, /* more */
1095 FALSE, /* pass_on_timeout */
1096 FALSE, /* prefix_optional */
1097 TRUE, /* repeat_use */
1098 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1099 FALSE, /* same_domain_copy_routing */
1100 FALSE, /* self_rewrite */
1101 FALSE, /* suffix_optional */
1102 FALSE, /* verify_only */
1103 TRUE, /* verify_recipient */
1104 TRUE, /* verify_sender */
1105 FALSE, /* uid_set */
1106 FALSE, /* unseen */
1107
1108 self_freeze, /* self_code */
1109 (uid_t)(-1), /* uid */
1110 (gid_t)(-1), /* gid */
1111
1112 NULL, /* fallback_hostlist */
1113 NULL, /* transport instance */
1114 NULL, /* pass_router */
1115 NULL /* redirect_router */
1116 };
1117
1118 uschar *router_name = NULL;
1119
1120 ip_address_item *running_interfaces = NULL;
1121 BOOL running_in_test_harness = FALSE;
1122
1123 /* This is a weird one. The following string gets patched in the binary by the
1124 script that sets up a copy of Exim for running in the test harness. It seems
1125 that compilers are now clever, and share constant strings if they can.
1126 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1127 make use of the end of this string in order to save space. So the patching then
1128 wrecks this. We defeat this optimization by adding some additional characters
1129 onto the end of the string. */
1130
1131 uschar *running_status = US">>>running<<<" "\0EXTRA";
1132
1133 int runrc = 0;
1134
1135 uschar *search_error_message = NULL;
1136 BOOL search_find_defer = FALSE;
1137 uschar *self_hostname = NULL;
1138 uschar *sender_address = NULL;
1139 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1140 uschar *sender_address_data = NULL;
1141 BOOL sender_address_forced = FALSE;
1142 uschar *sender_address_unrewritten = NULL;
1143 uschar *sender_data = NULL;
1144 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1145 uschar *sender_fullhost = NULL;
1146 uschar *sender_helo_name = NULL;
1147 uschar **sender_host_aliases = &no_aliases;
1148 uschar *sender_host_address = NULL;
1149 uschar *sender_host_authenticated = NULL;
1150 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1151 BOOL sender_host_dnssec = FALSE;
1152 uschar *sender_host_name = NULL;
1153 int sender_host_port = 0;
1154 BOOL sender_host_notsocket = FALSE;
1155 BOOL sender_host_unknown = FALSE;
1156 uschar *sender_ident = NULL;
1157 BOOL sender_local = FALSE;
1158 BOOL sender_name_forced = FALSE;
1159 uschar *sender_rate = NULL;
1160 uschar *sender_rate_limit = NULL;
1161 uschar *sender_rate_period = NULL;
1162 uschar *sender_rcvhost = NULL;
1163 BOOL sender_set_untrusted = FALSE;
1164 uschar *sender_unqualified_hosts = NULL;
1165 uschar *sender_verify_failure = NULL;
1166 address_item *sender_verified_list = NULL;
1167 address_item *sender_verified_failed = NULL;
1168 int sender_verified_rc = -1;
1169 BOOL sender_verified_responded = FALSE;
1170 uschar *sending_ip_address = NULL;
1171 int sending_port = -1;
1172 SIGNAL_BOOL sigalrm_seen = FALSE;
1173 uschar **sighup_argv = NULL;
1174 int smtp_accept_count = 0;
1175 BOOL smtp_accept_keepalive = TRUE;
1176 int smtp_accept_max = 20;
1177 int smtp_accept_max_nonmail= 10;
1178 uschar *smtp_accept_max_nonmail_hosts = US"*";
1179 int smtp_accept_max_per_connection = 1000;
1180 uschar *smtp_accept_max_per_host = NULL;
1181 int smtp_accept_queue = 0;
1182 int smtp_accept_queue_per_connection = 10;
1183 int smtp_accept_reserve = 0;
1184 uschar *smtp_active_hostname = NULL;
1185 BOOL smtp_authenticated = FALSE;
1186 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1187 "Exim $version_number $tod_full"
1188 "\0<---------------Space to patch smtp_banner->";
1189 BOOL smtp_batched_input = FALSE;
1190 BOOL smtp_check_spool_space = TRUE;
1191 int smtp_ch_index = 0;
1192 uschar *smtp_cmd_argument = NULL;
1193 uschar *smtp_cmd_buffer = NULL;
1194 time_t smtp_connection_start = 0;
1195 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1196 int smtp_connect_backlog = 20;
1197 double smtp_delay_mail = 0.0;
1198 double smtp_delay_rcpt = 0.0;
1199 BOOL smtp_enforce_sync = TRUE;
1200 FILE *smtp_in = NULL;
1201 BOOL smtp_input = FALSE;
1202 int smtp_load_reserve = -1;
1203 int smtp_mailcmd_count = 0;
1204 FILE *smtp_out = NULL;
1205 uschar *smtp_etrn_command = NULL;
1206 BOOL smtp_etrn_serialize = TRUE;
1207 int smtp_max_synprot_errors= 3;
1208 int smtp_max_unknown_commands = 3;
1209 uschar *smtp_notquit_reason = NULL;
1210 uschar *smtp_ratelimit_hosts = NULL;
1211 uschar *smtp_ratelimit_mail = NULL;
1212 uschar *smtp_ratelimit_rcpt = NULL;
1213 uschar *smtp_read_error = US"";
1214 int smtp_receive_timeout = 5*60;
1215 uschar *smtp_reserve_hosts = NULL;
1216 BOOL smtp_return_error_details = FALSE;
1217 int smtp_rlm_base = 0;
1218 double smtp_rlm_factor = 0.0;
1219 int smtp_rlm_limit = 0;
1220 int smtp_rlm_threshold = INT_MAX;
1221 int smtp_rlr_base = 0;
1222 double smtp_rlr_factor = 0.0;
1223 int smtp_rlr_limit = 0;
1224 int smtp_rlr_threshold = INT_MAX;
1225 BOOL smtp_use_pipelining = FALSE;
1226 BOOL smtp_use_size = FALSE;
1227
1228 #ifdef WITH_CONTENT_SCAN
1229 uschar *spamd_address = US"127.0.0.1 783";
1230 uschar *spam_bar = NULL;
1231 uschar *spam_report = NULL;
1232 uschar *spam_score = NULL;
1233 uschar *spam_score_int = NULL;
1234 #endif
1235 #ifdef EXPERIMENTAL_SPF
1236 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1237 uschar *spf_header_comment = NULL;
1238 uschar *spf_received = NULL;
1239 uschar *spf_result = NULL;
1240 uschar *spf_smtp_comment = NULL;
1241 #endif
1242
1243 BOOL split_spool_directory = FALSE;
1244 uschar *spool_directory = US SPOOL_DIRECTORY
1245 "\0<--------------Space to patch spool_directory->";
1246 #ifdef EXPERIMENTAL_SRS
1247 uschar *srs_config = NULL;
1248 uschar *srs_db_address = NULL;
1249 uschar *srs_db_key = NULL;
1250 int srs_hashlength = 6;
1251 int srs_hashmin = -1;
1252 int srs_maxage = 31;
1253 uschar *srs_orig_recipient = NULL;
1254 uschar *srs_orig_sender = NULL;
1255 uschar *srs_recipient = NULL;
1256 uschar *srs_secrets = NULL;
1257 uschar *srs_status = NULL;
1258 BOOL srs_usehash = TRUE;
1259 BOOL srs_usetimestamp = TRUE;
1260 #endif
1261 BOOL strict_acl_vars = FALSE;
1262 int string_datestamp_offset= -1;
1263 int string_datestamp_length= 0;
1264 int string_datestamp_type = -1;
1265 BOOL strip_excess_angle_brackets = FALSE;
1266 BOOL strip_trailing_dot = FALSE;
1267 uschar *submission_domain = NULL;
1268 BOOL submission_mode = FALSE;
1269 uschar *submission_name = NULL;
1270 BOOL suppress_local_fixups = FALSE;
1271 BOOL suppress_local_fixups_default = FALSE;
1272 BOOL synchronous_delivery = FALSE;
1273 BOOL syslog_duplication = TRUE;
1274 int syslog_facility = LOG_MAIL;
1275 uschar *syslog_processname = US"exim";
1276 BOOL syslog_timestamp = TRUE;
1277 uschar *system_filter = NULL;
1278
1279 uschar *system_filter_directory_transport = NULL;
1280 uschar *system_filter_file_transport = NULL;
1281 uschar *system_filter_pipe_transport = NULL;
1282 uschar *system_filter_reply_transport = NULL;
1283
1284 gid_t system_filter_gid = 0;
1285 BOOL system_filter_gid_set = FALSE;
1286 uid_t system_filter_uid = (uid_t)-1;
1287 BOOL system_filter_uid_set = FALSE;
1288 BOOL system_filtering = FALSE;
1289
1290 BOOL tcp_nodelay = TRUE;
1291 #ifdef USE_TCP_WRAPPERS
1292 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1293 #endif
1294 int test_harness_load_avg = 0;
1295 int thismessage_size_limit = 0;
1296 int timeout_frozen_after = 0;
1297 BOOL timestamps_utc = FALSE;
1298
1299 #ifdef EXPERIMENTAL_TPDA
1300 int tpda_defer_errno = 0;
1301 uschar *tpda_defer_errstr = NULL;
1302 uschar *tpda_delivery_ip = NULL;
1303 int tpda_delivery_port = 0;
1304 uschar *tpda_delivery_fqdn = NULL;
1305 uschar *tpda_delivery_local_part= NULL;
1306 uschar *tpda_delivery_domain = NULL;
1307 uschar *tpda_delivery_confirmation = NULL;
1308 #endif
1309
1310 transport_instance *transports = NULL;
1311
1312 transport_instance transport_defaults = {
1313 NULL, /* chain pointer */
1314 NULL, /* name */
1315 NULL, /* info */
1316 NULL, /* private options block pointer */
1317 NULL, /* driver name */
1318 NULL, /* setup entry point */
1319 1, /* batch_max */
1320 NULL, /* batch_id */
1321 NULL, /* home_dir */
1322 NULL, /* current_dir */
1323 TRUE, /* multi-domain */
1324 FALSE, /* overrides_hosts */
1325 100, /* max_addresses */
1326 500, /* connection_max_messages */
1327 FALSE, /* deliver_as_creator */
1328 FALSE, /* disable_logging */
1329 FALSE, /* initgroups */
1330 FALSE, /* uid_set */
1331 FALSE, /* gid_set */
1332 (uid_t)(-1), /* uid */
1333 (gid_t)(-1), /* gid */
1334 NULL, /* expand_uid */
1335 NULL, /* expand_gid */
1336 NULL, /* warn_message */
1337 NULL, /* shadow */
1338 NULL, /* shadow_condition */
1339 NULL, /* filter_command */
1340 NULL, /* add_headers */
1341 NULL, /* remove_headers */
1342 NULL, /* return_path */
1343 NULL, /* debug_string */
1344 NULL, /* message_size_limit */
1345 NULL, /* headers_rewrite */
1346 NULL, /* rewrite_rules */
1347 0, /* rewrite_existflags */
1348 300, /* filter_timeout */
1349 FALSE, /* body_only */
1350 FALSE, /* delivery_date_add */
1351 FALSE, /* envelope_to_add */
1352 FALSE, /* headers_only */
1353 FALSE, /* rcpt_include_affixes */
1354 FALSE, /* return_path_add */
1355 FALSE, /* return_output */
1356 FALSE, /* return_fail_output */
1357 FALSE, /* log_output */
1358 FALSE, /* log_fail_output */
1359 FALSE, /* log_defer_output */
1360 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1361 1 nor 0 so can detect unset */
1362 };
1363
1364 int transport_count;
1365 uschar *transport_name = NULL;
1366 int transport_newlines;
1367 uschar **transport_filter_argv = NULL;
1368 int transport_filter_timeout;
1369 BOOL transport_filter_timed_out = FALSE;
1370 int transport_write_timeout= 0;
1371
1372 tree_node *tree_dns_fails = NULL;
1373 tree_node *tree_duplicates = NULL;
1374 tree_node *tree_nonrecipients = NULL;
1375 tree_node *tree_unusable = NULL;
1376
1377 BOOL trusted_caller = FALSE;
1378 BOOL trusted_config = TRUE;
1379 gid_t *trusted_groups = NULL;
1380 uid_t *trusted_users = NULL;
1381 uschar *timezone_string = US TIMEZONE_DEFAULT;
1382
1383 uschar *unknown_login = NULL;
1384 uschar *unknown_username = NULL;
1385 uschar *untrusted_set_sender = NULL;
1386
1387 /* A regex for matching a "From_" line in an incoming message, in the form
1388
1389 From ph10 Fri Jan 5 12:35 GMT 1996
1390
1391 which the "mail" commands send to the MTA (undocumented, of course), or in
1392 the form
1393
1394 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1395
1396 which is apparently used by some UUCPs, despite it not being in RFC 976.
1397 Because of variations in time formats, just match up to the minutes. That
1398 should be sufficient. Examples have been seen of time fields like 12:1:03,
1399 so just require one digit for hours and minutes. The weekday is also absent
1400 in some forms. */
1401
1402 uschar *uucp_from_pattern = US
1403 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1404 "(?:" /* Non-extracting bracket */
1405 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1406 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1407 ")" /* End alternation */
1408 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1409
1410 uschar *uucp_from_sender = US"$1";
1411
1412 uschar *warn_message_file = NULL;
1413 uschar *warnmsg_delay = NULL;
1414 uschar *warnmsg_recipients = NULL;
1415 BOOL write_rejectlog = TRUE;
1416
1417 uschar *version_copyright =
1418 US"Copyright (c) University of Cambridge, 1995 - 2013\n"
1419 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2013";
1420 uschar *version_date = US"?";
1421 uschar *version_cnumber = US"????";
1422 uschar *version_string = US"?";
1423
1424 int warning_count = 0;
1425
1426 /* End of globals.c */
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