133a7bf740d9a13349af77d00240f383108e0c47
[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 { US"queue_run", L_queue_run },
801 { US"queue_time", LX_queue_time },
802 { US"queue_time_overall", LX_queue_time_overall },
803 { US"received_recipients", LX_received_recipients },
804 { US"received_sender", LX_received_sender },
805 { US"rejected_header", LX_rejected_header },
806 { US"rejected_headers", LX_rejected_header },
807 { US"retry_defer", L_retry_defer },
808 { US"return_path_on_delivery", LX_return_path_on_delivery },
809 { US"sender_on_delivery", LX_sender_on_delivery },
810 { US"sender_verify_fail", LX_sender_verify_fail },
811 { US"size_reject", L_size_reject },
812 { US"skip_delivery", L_skip_delivery },
813 { US"smtp_confirmation", LX_smtp_confirmation },
814 { US"smtp_connection", L_smtp_connection },
815 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
816 { US"smtp_mailauth", LX_smtp_mailauth },
817 { US"smtp_no_mail", LX_smtp_no_mail },
818 { US"smtp_protocol_error", L_smtp_protocol_error },
819 { US"smtp_syntax_error", L_smtp_syntax_error },
820 { US"subject", LX_subject },
821 { US"tls_certificate_verified", LX_tls_certificate_verified },
822 { US"tls_cipher", LX_tls_cipher },
823 { US"tls_peerdn", LX_tls_peerdn },
824 { US"tls_sni", LX_tls_sni },
825 { US"unknown_in_list", LX_unknown_in_list }
826 };
827
828 int log_options_count = sizeof(log_options)/sizeof(bit_table);
829 int log_reject_target = 0;
830 uschar *log_selector_string = NULL;
831 FILE *log_stderr = NULL;
832 BOOL log_testing_mode = FALSE;
833 BOOL log_timezone = FALSE;
834 unsigned int log_write_selector= L_default;
835 uschar *login_sender_address = NULL;
836 int lookup_open_max = 25;
837 uschar *lookup_value = NULL;
838
839 macro_item *macros = NULL;
840 uschar *mailstore_basename = NULL;
841 #ifdef WITH_CONTENT_SCAN
842 uschar *malware_name = NULL; /* Virus Name */
843 #endif
844 int max_received_linelength= 0;
845 int max_username_length = 0;
846 int message_age = 0;
847 uschar *message_body = NULL;
848 uschar *message_body_end = NULL;
849 BOOL message_body_newlines = FALSE;
850 int message_body_size = 0;
851 int message_body_visible = 500;
852 int message_ended = END_NOTSTARTED;
853 uschar *message_headers = NULL;
854 uschar *message_id;
855 uschar *message_id_domain = NULL;
856 uschar *message_id_text = NULL;
857 struct timeval message_id_tv = { 0, 0 };
858 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
859 uschar *message_id_external;
860 int message_linecount = 0;
861 BOOL message_logs = TRUE;
862 int message_size = 0;
863 uschar *message_size_limit = US"50M";
864 uschar message_subdir[2] = { 0, 0 };
865 uschar *message_reference = NULL;
866
867 /* MIME ACL expandables */
868 #ifdef WITH_CONTENT_SCAN
869 int mime_anomaly_level = 0;
870 const uschar *mime_anomaly_text = NULL;
871 uschar *mime_boundary = NULL;
872 uschar *mime_charset = NULL;
873 uschar *mime_content_description = NULL;
874 uschar *mime_content_disposition = NULL;
875 uschar *mime_content_id = NULL;
876 unsigned int mime_content_size = 0;
877 uschar *mime_content_transfer_encoding = NULL;
878 uschar *mime_content_type = NULL;
879 uschar *mime_decoded_filename = NULL;
880 uschar *mime_filename = NULL;
881 int mime_is_multipart = 0;
882 int mime_is_coverletter = 0;
883 int mime_is_rfc822 = 0;
884 int mime_part_count = -1;
885 #endif
886
887 BOOL mua_wrapper = FALSE;
888
889 uid_t *never_users = NULL;
890 #ifdef WITH_CONTENT_SCAN
891 BOOL no_mbox_unspool = FALSE;
892 #endif
893 BOOL no_multiline_responses = FALSE;
894
895 uid_t original_euid;
896 gid_t originator_gid;
897 uschar *originator_login = NULL;
898 uschar *originator_name = NULL;
899 uid_t originator_uid;
900 uschar *override_local_interfaces = NULL;
901 uschar *override_pid_file_path = NULL;
902
903 BOOL parse_allow_group = FALSE;
904 BOOL parse_found_group = FALSE;
905 uschar *percent_hack_domains = NULL;
906 uschar *pid_file_path = US PID_FILE_PATH
907 "\0<--------------Space to patch pid_file_path->";
908 BOOL pipelining_enable = TRUE;
909 uschar *pipelining_advertise_hosts = US"*";
910 BOOL preserve_message_logs = FALSE;
911 uschar *primary_hostname = NULL;
912 BOOL print_topbitchars = FALSE;
913 uschar process_info[PROCESS_INFO_SIZE];
914 int process_info_len = 0;
915 uschar *process_log_path = NULL;
916 BOOL prod_requires_admin = TRUE;
917 uschar *prvscheck_address = NULL;
918 uschar *prvscheck_keynum = NULL;
919 uschar *prvscheck_result = NULL;
920
921
922 uschar *qualify_domain_recipient = NULL;
923 uschar *qualify_domain_sender = NULL;
924 BOOL queue_2stage = FALSE;
925 uschar *queue_domains = NULL;
926 int queue_interval = -1;
927 BOOL queue_list_requires_admin = TRUE;
928 BOOL queue_only = FALSE;
929 uschar *queue_only_file = NULL;
930 int queue_only_load = -1;
931 BOOL queue_only_load_latch = TRUE;
932 BOOL queue_only_override = TRUE;
933 BOOL queue_only_policy = FALSE;
934 BOOL queue_run_first_delivery = FALSE;
935 BOOL queue_run_force = FALSE;
936 BOOL queue_run_in_order = FALSE;
937 BOOL queue_run_local = FALSE;
938 int queue_run_max = 5;
939 pid_t queue_run_pid = (pid_t)0;
940 int queue_run_pipe = -1;
941 BOOL queue_running = FALSE;
942 BOOL queue_smtp = FALSE;
943 uschar *queue_smtp_domains = NULL;
944
945 unsigned int random_seed = 0;
946 tree_node *ratelimiters_cmd = NULL;
947 tree_node *ratelimiters_conn = NULL;
948 tree_node *ratelimiters_mail = NULL;
949 uschar *raw_active_hostname = NULL;
950 uschar *raw_sender = NULL;
951 uschar **raw_recipients = NULL;
952 int raw_recipients_count = 0;
953
954 int rcpt_count = 0;
955 int rcpt_fail_count = 0;
956 int rcpt_defer_count = 0;
957 gid_t real_gid;
958 uid_t real_uid;
959 BOOL really_exim = TRUE;
960 BOOL receive_call_bombout = FALSE;
961 int receive_linecount = 0;
962 int receive_messagecount = 0;
963 int receive_timeout = 0;
964 int received_count = 0;
965 uschar *received_for = NULL;
966
967 /* This is the default text for Received headers generated by Exim. The
968 date will be automatically added on the end. */
969
970 uschar *received_header_text = US
971 "Received: "
972 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
973 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
974 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
975 "by $primary_hostname "
976 "${if def:received_protocol {with $received_protocol}} "
977 #ifdef SUPPORT_TLS
978 "${if def:tls_cipher {($tls_cipher)\n\t}}"
979 #endif
980 "(Exim $version_number)\n\t"
981 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
982 "id $message_exim_id"
983 "${if def:received_for {\n\tfor $received_for}}"
984 "\0<---------------Space to patch received_header_text->";
985
986 int received_headers_max = 30;
987 uschar *received_protocol = NULL;
988 int received_time = 0;
989 uschar *recipient_data = NULL;
990 uschar *recipient_unqualified_hosts = NULL;
991 uschar *recipient_verify_failure = NULL;
992 int recipients_count = 0;
993 BOOL recipients_discarded = FALSE;
994 recipient_item *recipients_list = NULL;
995 int recipients_list_max = 0;
996 int recipients_max = 0;
997 BOOL recipients_max_reject = FALSE;
998 const pcre *regex_AUTH = NULL;
999 const pcre *regex_check_dns_names = NULL;
1000 const pcre *regex_From = NULL;
1001 const pcre *regex_IGNOREQUOTA = NULL;
1002 const pcre *regex_PIPELINING = NULL;
1003 const pcre *regex_SIZE = NULL;
1004 const pcre *regex_smtp_code = NULL;
1005 const pcre *regex_ismsgid = NULL;
1006 #ifdef WHITELIST_D_MACROS
1007 const pcre *regex_whitelisted_macro = NULL;
1008 #endif
1009 #ifdef WITH_CONTENT_SCAN
1010 uschar *regex_match_string = NULL;
1011 #endif
1012 int remote_delivery_count = 0;
1013 int remote_max_parallel = 2;
1014 uschar *remote_sort_domains = NULL;
1015 int retry_data_expire = 7*24*60*60;
1016 int retry_interval_max = 24*60*60;
1017 int retry_maximum_timeout = 0; /* set from retry config */
1018 retry_config *retries = NULL;
1019 uschar *return_path = NULL;
1020 BOOL return_path_remove = TRUE;
1021 int rewrite_existflags = 0;
1022 uschar *rfc1413_hosts = US"*";
1023 int rfc1413_query_timeout = 5;
1024 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1025 uid_t root_gid = ROOT_GID;
1026 uid_t root_uid = ROOT_UID;
1027
1028 router_instance *routers = NULL;
1029 router_instance router_defaults = {
1030 NULL, /* chain pointer */
1031 NULL, /* name */
1032 NULL, /* info */
1033 NULL, /* private options block pointer */
1034 NULL, /* driver name */
1035
1036 NULL, /* address_data */
1037 #ifdef EXPERIMENTAL_BRIGHTMAIL
1038 NULL, /* bmi_rule */
1039 #endif
1040 NULL, /* cannot_route_message */
1041 NULL, /* condition */
1042 NULL, /* current_directory */
1043 NULL, /* debug_string */
1044 NULL, /* domains */
1045 NULL, /* errors_to */
1046 NULL, /* expand_gid */
1047 NULL, /* expand_uid */
1048 NULL, /* expand_more */
1049 NULL, /* expand_unseen */
1050 NULL, /* extra_headers */
1051 NULL, /* fallback_hosts */
1052 NULL, /* home_directory */
1053 NULL, /* ignore_target_hosts */
1054 NULL, /* local_parts */
1055 NULL, /* pass_router_name */
1056 NULL, /* prefix */
1057 NULL, /* redirect_router_name */
1058 NULL, /* remove_headers */
1059 NULL, /* require_files */
1060 NULL, /* router_home_directory */
1061 US"freeze", /* self */
1062 NULL, /* senders */
1063 NULL, /* suffix */
1064 NULL, /* translate_ip_address */
1065 NULL, /* transport_name */
1066
1067 TRUE, /* address_test */
1068 #ifdef EXPERIMENTAL_BRIGHTMAIL
1069 FALSE, /* bmi_deliver_alternate */
1070 FALSE, /* bmi_deliver_default */
1071 FALSE, /* bmi_dont_deliver */
1072 #endif
1073 TRUE, /* expn */
1074 FALSE, /* caseful_local_part */
1075 FALSE, /* check_local_user */
1076 FALSE, /* disable_logging */
1077 FALSE, /* fail_verify_recipient */
1078 FALSE, /* fail_verify_sender */
1079 FALSE, /* gid_set */
1080 FALSE, /* initgroups */
1081 TRUE_UNSET, /* log_as_local */
1082 TRUE, /* more */
1083 FALSE, /* pass_on_timeout */
1084 FALSE, /* prefix_optional */
1085 TRUE, /* repeat_use */
1086 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1087 FALSE, /* same_domain_copy_routing */
1088 FALSE, /* self_rewrite */
1089 FALSE, /* suffix_optional */
1090 FALSE, /* verify_only */
1091 TRUE, /* verify_recipient */
1092 TRUE, /* verify_sender */
1093 FALSE, /* uid_set */
1094 FALSE, /* unseen */
1095
1096 self_freeze, /* self_code */
1097 (uid_t)(-1), /* uid */
1098 (gid_t)(-1), /* gid */
1099
1100 NULL, /* fallback_hostlist */
1101 NULL, /* transport instance */
1102 NULL, /* pass_router */
1103 NULL /* redirect_router */
1104 };
1105
1106 uschar *router_name = NULL;
1107
1108 ip_address_item *running_interfaces = NULL;
1109 BOOL running_in_test_harness = FALSE;
1110
1111 /* This is a weird one. The following string gets patched in the binary by the
1112 script that sets up a copy of Exim for running in the test harness. It seems
1113 that compilers are now clever, and share constant strings if they can.
1114 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1115 make use of the end of this string in order to save space. So the patching then
1116 wrecks this. We defeat this optimization by adding some additional characters
1117 onto the end of the string. */
1118
1119 uschar *running_status = US">>>running<<<" "\0EXTRA";
1120
1121 int runrc = 0;
1122
1123 uschar *search_error_message = NULL;
1124 BOOL search_find_defer = FALSE;
1125 uschar *self_hostname = NULL;
1126 uschar *sender_address = NULL;
1127 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1128 uschar *sender_address_data = NULL;
1129 BOOL sender_address_forced = FALSE;
1130 uschar *sender_address_unrewritten = NULL;
1131 uschar *sender_data = NULL;
1132 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1133 uschar *sender_fullhost = NULL;
1134 uschar *sender_helo_name = NULL;
1135 uschar **sender_host_aliases = &no_aliases;
1136 uschar *sender_host_address = NULL;
1137 uschar *sender_host_authenticated = NULL;
1138 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1139 BOOL sender_host_dnssec = FALSE;
1140 uschar *sender_host_name = NULL;
1141 int sender_host_port = 0;
1142 BOOL sender_host_notsocket = FALSE;
1143 BOOL sender_host_unknown = FALSE;
1144 uschar *sender_ident = NULL;
1145 BOOL sender_local = FALSE;
1146 BOOL sender_name_forced = FALSE;
1147 uschar *sender_rate = NULL;
1148 uschar *sender_rate_limit = NULL;
1149 uschar *sender_rate_period = NULL;
1150 uschar *sender_rcvhost = NULL;
1151 BOOL sender_set_untrusted = FALSE;
1152 uschar *sender_unqualified_hosts = NULL;
1153 uschar *sender_verify_failure = NULL;
1154 address_item *sender_verified_list = NULL;
1155 address_item *sender_verified_failed = NULL;
1156 int sender_verified_rc = -1;
1157 BOOL sender_verified_responded = FALSE;
1158 uschar *sending_ip_address = NULL;
1159 int sending_port = -1;
1160 SIGNAL_BOOL sigalrm_seen = FALSE;
1161 uschar **sighup_argv = NULL;
1162 int smtp_accept_count = 0;
1163 BOOL smtp_accept_keepalive = TRUE;
1164 int smtp_accept_max = 20;
1165 int smtp_accept_max_nonmail= 10;
1166 uschar *smtp_accept_max_nonmail_hosts = US"*";
1167 int smtp_accept_max_per_connection = 1000;
1168 uschar *smtp_accept_max_per_host = NULL;
1169 int smtp_accept_queue = 0;
1170 int smtp_accept_queue_per_connection = 10;
1171 int smtp_accept_reserve = 0;
1172 uschar *smtp_active_hostname = NULL;
1173 BOOL smtp_authenticated = FALSE;
1174 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1175 "Exim $version_number $tod_full"
1176 "\0<---------------Space to patch smtp_banner->";
1177 BOOL smtp_batched_input = FALSE;
1178 BOOL smtp_check_spool_space = TRUE;
1179 int smtp_ch_index = 0;
1180 uschar *smtp_cmd_argument = NULL;
1181 uschar *smtp_cmd_buffer = NULL;
1182 time_t smtp_connection_start = 0;
1183 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1184 int smtp_connect_backlog = 20;
1185 double smtp_delay_mail = 0.0;
1186 double smtp_delay_rcpt = 0.0;
1187 BOOL smtp_enforce_sync = TRUE;
1188 FILE *smtp_in = NULL;
1189 BOOL smtp_input = FALSE;
1190 int smtp_load_reserve = -1;
1191 int smtp_mailcmd_count = 0;
1192 FILE *smtp_out = NULL;
1193 uschar *smtp_etrn_command = NULL;
1194 BOOL smtp_etrn_serialize = TRUE;
1195 int smtp_max_synprot_errors= 3;
1196 int smtp_max_unknown_commands = 3;
1197 uschar *smtp_notquit_reason = NULL;
1198 uschar *smtp_ratelimit_hosts = NULL;
1199 uschar *smtp_ratelimit_mail = NULL;
1200 uschar *smtp_ratelimit_rcpt = NULL;
1201 uschar *smtp_read_error = US"";
1202 int smtp_receive_timeout = 5*60;
1203 uschar *smtp_reserve_hosts = NULL;
1204 BOOL smtp_return_error_details = FALSE;
1205 int smtp_rlm_base = 0;
1206 double smtp_rlm_factor = 0.0;
1207 int smtp_rlm_limit = 0;
1208 int smtp_rlm_threshold = INT_MAX;
1209 int smtp_rlr_base = 0;
1210 double smtp_rlr_factor = 0.0;
1211 int smtp_rlr_limit = 0;
1212 int smtp_rlr_threshold = INT_MAX;
1213 BOOL smtp_use_pipelining = FALSE;
1214 BOOL smtp_use_size = FALSE;
1215
1216 #ifdef WITH_CONTENT_SCAN
1217 uschar *spamd_address = US"127.0.0.1 783";
1218 uschar *spam_bar = NULL;
1219 uschar *spam_report = NULL;
1220 uschar *spam_score = NULL;
1221 uschar *spam_score_int = NULL;
1222 #endif
1223 #ifdef EXPERIMENTAL_SPF
1224 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1225 uschar *spf_header_comment = NULL;
1226 uschar *spf_received = NULL;
1227 uschar *spf_result = NULL;
1228 uschar *spf_smtp_comment = NULL;
1229 #endif
1230
1231 BOOL split_spool_directory = FALSE;
1232 uschar *spool_directory = US SPOOL_DIRECTORY
1233 "\0<--------------Space to patch spool_directory->";
1234 #ifdef EXPERIMENTAL_SRS
1235 uschar *srs_config = NULL;
1236 uschar *srs_db_address = NULL;
1237 uschar *srs_db_key = NULL;
1238 int srs_hashlength = 6;
1239 int srs_hashmin = -1;
1240 int srs_maxage = 31;
1241 uschar *srs_orig_recipient = NULL;
1242 uschar *srs_orig_sender = NULL;
1243 uschar *srs_recipient = NULL;
1244 uschar *srs_secrets = NULL;
1245 uschar *srs_status = NULL;
1246 BOOL srs_usehash = TRUE;
1247 BOOL srs_usetimestamp = TRUE;
1248 #endif
1249 BOOL strict_acl_vars = FALSE;
1250 int string_datestamp_offset= -1;
1251 int string_datestamp_length= 0;
1252 int string_datestamp_type = -1;
1253 BOOL strip_excess_angle_brackets = FALSE;
1254 BOOL strip_trailing_dot = FALSE;
1255 uschar *submission_domain = NULL;
1256 BOOL submission_mode = FALSE;
1257 uschar *submission_name = NULL;
1258 BOOL suppress_local_fixups = FALSE;
1259 BOOL suppress_local_fixups_default = FALSE;
1260 BOOL synchronous_delivery = FALSE;
1261 BOOL syslog_duplication = TRUE;
1262 int syslog_facility = LOG_MAIL;
1263 uschar *syslog_processname = US"exim";
1264 BOOL syslog_timestamp = TRUE;
1265 uschar *system_filter = NULL;
1266
1267 uschar *system_filter_directory_transport = NULL;
1268 uschar *system_filter_file_transport = NULL;
1269 uschar *system_filter_pipe_transport = NULL;
1270 uschar *system_filter_reply_transport = NULL;
1271
1272 gid_t system_filter_gid = 0;
1273 BOOL system_filter_gid_set = FALSE;
1274 uid_t system_filter_uid = (uid_t)-1;
1275 BOOL system_filter_uid_set = FALSE;
1276 BOOL system_filtering = FALSE;
1277
1278 BOOL tcp_nodelay = TRUE;
1279 #ifdef USE_TCP_WRAPPERS
1280 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1281 #endif
1282 int test_harness_load_avg = 0;
1283 int thismessage_size_limit = 0;
1284 int timeout_frozen_after = 0;
1285 BOOL timestamps_utc = FALSE;
1286
1287 #ifdef EXPERIMENTAL_TPDA
1288 int tpda_defer_errno = 0;
1289 uschar *tpda_defer_errstr = NULL;
1290 uschar *tpda_delivery_ip = NULL;
1291 int tpda_delivery_port = 0;
1292 uschar *tpda_delivery_fqdn = NULL;
1293 uschar *tpda_delivery_local_part= NULL;
1294 uschar *tpda_delivery_domain = NULL;
1295 uschar *tpda_delivery_confirmation = NULL;
1296 #endif
1297
1298 transport_instance *transports = NULL;
1299
1300 transport_instance transport_defaults = {
1301 NULL, /* chain pointer */
1302 NULL, /* name */
1303 NULL, /* info */
1304 NULL, /* private options block pointer */
1305 NULL, /* driver name */
1306 NULL, /* setup entry point */
1307 1, /* batch_max */
1308 NULL, /* batch_id */
1309 NULL, /* home_dir */
1310 NULL, /* current_dir */
1311 TRUE, /* multi-domain */
1312 FALSE, /* overrides_hosts */
1313 100, /* max_addresses */
1314 500, /* connection_max_messages */
1315 FALSE, /* deliver_as_creator */
1316 FALSE, /* disable_logging */
1317 FALSE, /* initgroups */
1318 FALSE, /* uid_set */
1319 FALSE, /* gid_set */
1320 (uid_t)(-1), /* uid */
1321 (gid_t)(-1), /* gid */
1322 NULL, /* expand_uid */
1323 NULL, /* expand_gid */
1324 NULL, /* warn_message */
1325 NULL, /* shadow */
1326 NULL, /* shadow_condition */
1327 NULL, /* filter_command */
1328 NULL, /* add_headers */
1329 NULL, /* remove_headers */
1330 NULL, /* return_path */
1331 NULL, /* debug_string */
1332 NULL, /* message_size_limit */
1333 NULL, /* headers_rewrite */
1334 NULL, /* rewrite_rules */
1335 0, /* rewrite_existflags */
1336 300, /* filter_timeout */
1337 FALSE, /* body_only */
1338 FALSE, /* delivery_date_add */
1339 FALSE, /* envelope_to_add */
1340 FALSE, /* headers_only */
1341 FALSE, /* rcpt_include_affixes */
1342 FALSE, /* return_path_add */
1343 FALSE, /* return_output */
1344 FALSE, /* return_fail_output */
1345 FALSE, /* log_output */
1346 FALSE, /* log_fail_output */
1347 FALSE, /* log_defer_output */
1348 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1349 1 nor 0 so can detect unset */
1350 };
1351
1352 int transport_count;
1353 uschar *transport_name = NULL;
1354 int transport_newlines;
1355 uschar **transport_filter_argv = NULL;
1356 int transport_filter_timeout;
1357 BOOL transport_filter_timed_out = FALSE;
1358 int transport_write_timeout= 0;
1359
1360 tree_node *tree_dns_fails = NULL;
1361 tree_node *tree_duplicates = NULL;
1362 tree_node *tree_nonrecipients = NULL;
1363 tree_node *tree_unusable = NULL;
1364
1365 BOOL trusted_caller = FALSE;
1366 BOOL trusted_config = TRUE;
1367 gid_t *trusted_groups = NULL;
1368 uid_t *trusted_users = NULL;
1369 uschar *timezone_string = US TIMEZONE_DEFAULT;
1370
1371 uschar *unknown_login = NULL;
1372 uschar *unknown_username = NULL;
1373 uschar *untrusted_set_sender = NULL;
1374
1375 /* A regex for matching a "From_" line in an incoming message, in the form
1376
1377 From ph10 Fri Jan 5 12:35 GMT 1996
1378
1379 which the "mail" commands send to the MTA (undocumented, of course), or in
1380 the form
1381
1382 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1383
1384 which is apparently used by some UUCPs, despite it not being in RFC 976.
1385 Because of variations in time formats, just match up to the minutes. That
1386 should be sufficient. Examples have been seen of time fields like 12:1:03,
1387 so just require one digit for hours and minutes. The weekday is also absent
1388 in some forms. */
1389
1390 uschar *uucp_from_pattern = US
1391 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1392 "(?:" /* Non-extracting bracket */
1393 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1394 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1395 ")" /* End alternation */
1396 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1397
1398 uschar *uucp_from_sender = US"$1";
1399
1400 uschar *warn_message_file = NULL;
1401 uschar *warnmsg_delay = NULL;
1402 uschar *warnmsg_recipients = NULL;
1403 BOOL write_rejectlog = TRUE;
1404
1405 uschar *version_copyright =
1406 US"Copyright (c) University of Cambridge, 1995 - 2013\n"
1407 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2013";
1408 uschar *version_date = US"?";
1409 uschar *version_cnumber = US"????";
1410 uschar *version_string = US"?";
1411
1412 int warning_count = 0;
1413
1414 /* End of globals.c */