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[exim.git] / src / src / globals.c
1 /*************************************************
2 * Exim - an Internet mail transport agent *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2014 */
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_ourcert */
110 NULL, /* tls_peercert */
111 NULL, /* tls_peerdn */
112 NULL, /* tls_sni */
113 0 /* tls_ocsp */
114 };
115 tls_support tls_out = {
116 -1, /* tls_active */
117 0, /* tls_bits */
118 FALSE,/* tls_certificate_verified */
119 NULL, /* tls_cipher */
120 FALSE,/* tls_on_connect */
121 NULL, /* tls_on_connect_ports */
122 NULL, /* tls_ourcert */
123 NULL, /* tls_peercert */
124 NULL, /* tls_peerdn */
125 NULL, /* tls_sni */
126 0 /* tls_ocsp */
127 };
128
129 #ifdef EXPERIMENTAL_DSN
130 uschar *dsn_envid = NULL;
131 int dsn_ret = 0;
132 const pcre *regex_DSN = NULL;
133 BOOL smtp_use_dsn = FALSE;
134 uschar *dsn_advertise_hosts = NULL;
135 #endif
136
137 #ifdef SUPPORT_TLS
138 BOOL gnutls_compat_mode = FALSE;
139 BOOL gnutls_allow_auto_pkcs11 = FALSE;
140 uschar *gnutls_require_mac = NULL;
141 uschar *gnutls_require_kx = NULL;
142 uschar *gnutls_require_proto = NULL;
143 uschar *openssl_options = NULL;
144 const pcre *regex_STARTTLS = NULL;
145 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
146 uschar *tls_certificate = NULL;
147 uschar *tls_crl = NULL;
148 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
149 that's the interop problem which has been observed: GnuTLS suggesting a higher
150 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
151 int tls_dh_max_bits = 2236;
152 uschar *tls_dhparam = NULL;
153 #ifndef DISABLE_OCSP
154 uschar *tls_ocsp_file = NULL;
155 #endif
156 BOOL tls_offered = FALSE;
157 uschar *tls_privatekey = NULL;
158 BOOL tls_remember_esmtp = FALSE;
159 uschar *tls_require_ciphers = NULL;
160 uschar *tls_try_verify_hosts = NULL;
161 uschar *tls_verify_certificates= NULL;
162 uschar *tls_verify_hosts = NULL;
163 #endif
164
165 #ifndef DISABLE_PRDR
166 /* Per Recipient Data Response variables */
167 BOOL prdr_enable = FALSE;
168 BOOL prdr_requested = FALSE;
169 const pcre *regex_PRDR = NULL;
170 #endif
171
172 /* Input-reading functions for messages, so we can use special ones for
173 incoming TCP/IP. The defaults use stdin. We never need these for any
174 stand-alone tests. */
175
176 #ifndef STAND_ALONE
177 int (*receive_getc)(void) = stdin_getc;
178 int (*receive_ungetc)(int) = stdin_ungetc;
179 int (*receive_feof)(void) = stdin_feof;
180 int (*receive_ferror)(void) = stdin_ferror;
181 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
182 #endif
183
184
185 /* List of per-address expansion variables for clearing and saving/restoring
186 when verifying one address while routing/verifying another. We have to have
187 the size explicit, because it is referenced from more than one module. */
188
189 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
190 &deliver_address_data,
191 &deliver_domain,
192 &deliver_domain_data,
193 &deliver_domain_orig,
194 &deliver_domain_parent,
195 &deliver_localpart,
196 &deliver_localpart_data,
197 &deliver_localpart_orig,
198 &deliver_localpart_parent,
199 &deliver_localpart_prefix,
200 &deliver_localpart_suffix,
201 (uschar **)(&deliver_recipients),
202 &deliver_host,
203 &deliver_home,
204 &address_file,
205 &address_pipe,
206 &self_hostname,
207 NULL };
208
209 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
210
211 /* General global variables */
212
213 header_line *acl_added_headers = NULL;
214 tree_node *acl_anchor = NULL;
215 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
216 NULL, NULL, NULL, NULL};
217 int acl_narg = 0;
218
219 uschar *acl_not_smtp = NULL;
220 #ifdef WITH_CONTENT_SCAN
221 uschar *acl_not_smtp_mime = NULL;
222 #endif
223 uschar *acl_not_smtp_start = NULL;
224 uschar *acl_removed_headers = NULL;
225 uschar *acl_smtp_auth = NULL;
226 uschar *acl_smtp_connect = NULL;
227 uschar *acl_smtp_data = NULL;
228 #ifndef DISABLE_PRDR
229 uschar *acl_smtp_data_prdr = NULL;
230 #endif
231 #ifndef DISABLE_DKIM
232 uschar *acl_smtp_dkim = NULL;
233 #endif
234 uschar *acl_smtp_etrn = NULL;
235 uschar *acl_smtp_expn = NULL;
236 uschar *acl_smtp_helo = NULL;
237 uschar *acl_smtp_mail = NULL;
238 uschar *acl_smtp_mailauth = NULL;
239 #ifdef WITH_CONTENT_SCAN
240 uschar *acl_smtp_mime = NULL;
241 #endif
242 uschar *acl_smtp_notquit = NULL;
243 uschar *acl_smtp_predata = NULL;
244 uschar *acl_smtp_quit = NULL;
245 uschar *acl_smtp_rcpt = NULL;
246 uschar *acl_smtp_starttls = NULL;
247 uschar *acl_smtp_vrfy = NULL;
248
249 BOOL acl_temp_details = FALSE;
250 tree_node *acl_var_c = NULL;
251 tree_node *acl_var_m = NULL;
252 uschar *acl_verify_message = NULL;
253 string_item *acl_warn_logged = NULL;
254
255 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
256 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
257
258 uschar *acl_wherenames[] = { US"RCPT",
259 US"MAIL",
260 US"PREDATA",
261 US"MIME",
262 US"DKIM",
263 US"DATA",
264 #ifndef DISABLE_PRDR
265 US"PRDR",
266 #endif
267 US"non-SMTP",
268 US"AUTH",
269 US"connection",
270 US"ETRN",
271 US"EXPN",
272 US"EHLO or HELO",
273 US"MAILAUTH",
274 US"non-SMTP-start",
275 US"NOTQUIT",
276 US"QUIT",
277 US"STARTTLS",
278 US"VRFY",
279 US"delivery",
280 US"unknown"
281 };
282
283 uschar *acl_wherecodes[] = { US"550", /* RCPT */
284 US"550", /* MAIL */
285 US"550", /* PREDATA */
286 US"550", /* MIME */
287 US"550", /* DKIM */
288 US"550", /* DATA */
289 #ifndef DISABLE_PRDR
290 US"550", /* RCPT PRDR */
291 #endif
292 US"0", /* not SMTP; not relevant */
293 US"503", /* AUTH */
294 US"550", /* connect */
295 US"458", /* ETRN */
296 US"550", /* EXPN */
297 US"550", /* HELO/EHLO */
298 US"0", /* MAILAUTH; not relevant */
299 US"0", /* not SMTP; not relevant */
300 US"0", /* NOTQUIT; not relevant */
301 US"0", /* QUIT; not relevant */
302 US"550", /* STARTTLS */
303 US"252", /* VRFY */
304 US"0", /* delivery; not relevant */
305 US"0" /* unknown; not relevant */
306 };
307
308 BOOL active_local_from_check = FALSE;
309 BOOL active_local_sender_retain = FALSE;
310 int body_8bitmime = 0;
311 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
312 address_item *addr_duplicate = NULL;
313
314 address_item address_defaults = {
315 NULL, /* next */
316 NULL, /* parent */
317 NULL, /* first */
318 NULL, /* dupof */
319 NULL, /* start_router */
320 NULL, /* router */
321 NULL, /* transport */
322 NULL, /* host_list */
323 NULL, /* host_used */
324 NULL, /* fallback_hosts */
325 NULL, /* reply */
326 NULL, /* retries */
327 NULL, /* address */
328 NULL, /* unique */
329 NULL, /* cc_local_part */
330 NULL, /* lc_local_part */
331 NULL, /* local_part */
332 NULL, /* prefix */
333 NULL, /* suffix */
334 NULL, /* domain */
335 NULL, /* address_retry_key */
336 NULL, /* domain_retry_key */
337 NULL, /* current_dir */
338 NULL, /* home_dir */
339 NULL, /* message */
340 NULL, /* user_message */
341 NULL, /* onetime_parent */
342 NULL, /* pipe_expandn */
343 NULL, /* return_filename */
344 NULL, /* self_hostname */
345 NULL, /* shadow_message */
346 #ifdef SUPPORT_TLS
347 NULL, /* cipher */
348 NULL, /* ourcert */
349 NULL, /* peercert */
350 NULL, /* peerdn */
351 OCSP_NOT_REQ, /* ocsp */
352 #endif
353 NULL, /* authenticator */
354 NULL, /* auth_id */
355 NULL, /* auth_sndr */
356 #ifdef EXPERIMENTAL_DSN
357 NULL, /* dsn_orcpt */
358 0, /* dsn_flags */
359 0, /* dsn_aware */
360 #endif
361 (uid_t)(-1), /* uid */
362 (gid_t)(-1), /* gid */
363 0, /* flags */
364 { 0 }, /* domain_cache - any larger array should be zeroed */
365 { 0 }, /* localpart_cache - ditto */
366 -1, /* mode */
367 0, /* more_errno */
368 ERRNO_UNKNOWNERROR, /* basic_errno */
369 0, /* child_count */
370 -1, /* return_file */
371 SPECIAL_NONE, /* special_action */
372 DEFER, /* transport_return */
373 { /* fields that are propagated to children */
374 NULL, /* address_data */
375 NULL, /* domain_data */
376 NULL, /* localpart_data */
377 NULL, /* errors_address */
378 NULL, /* extra_headers */
379 NULL, /* remove_headers */
380 #ifdef EXPERIMENTAL_SRS
381 NULL, /* srs_sender */
382 #endif
383 }
384 };
385
386 uschar *address_file = NULL;
387 uschar *address_pipe = NULL;
388 BOOL address_test_mode = FALSE;
389 tree_node *addresslist_anchor = NULL;
390 int addresslist_count = 0;
391 gid_t *admin_groups = NULL;
392 BOOL admin_user = FALSE;
393 BOOL allow_auth_unadvertised= FALSE;
394 BOOL allow_domain_literals = FALSE;
395 BOOL allow_mx_to_ip = FALSE;
396 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
397 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
398 BOOL allow_utf8_domains = FALSE;
399 uschar *authenticated_fail_id = NULL;
400 uschar *authenticated_id = NULL;
401 uschar *authenticated_sender = NULL;
402 BOOL authentication_failed = FALSE;
403 auth_instance *auths = NULL;
404 uschar *auth_advertise_hosts = US"*";
405 auth_instance auth_defaults = {
406 NULL, /* chain pointer */
407 NULL, /* name */
408 NULL, /* info */
409 NULL, /* private options block pointer */
410 NULL, /* driver_name */
411 NULL, /* advertise_condition */
412 NULL, /* client_condition */
413 NULL, /* public_name */
414 NULL, /* set_id */
415 NULL, /* set_client_id */
416 NULL, /* server_mail_auth_condition */
417 NULL, /* server_debug_string */
418 NULL, /* server_condition */
419 FALSE, /* client */
420 FALSE, /* server */
421 FALSE /* advertised */
422 };
423
424 uschar *auth_defer_msg = US"reason not recorded";
425 uschar *auth_defer_user_msg = US"";
426 uschar *auth_vars[AUTH_VARS];
427 int auto_thaw = 0;
428 #ifdef WITH_CONTENT_SCAN
429 BOOL av_failed = FALSE;
430 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
431 #endif
432
433 BOOL background_daemon = TRUE;
434
435 #if BASE_62 == 62
436 uschar *base62_chars=
437 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
438 #else
439 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
440 #endif
441
442 uschar *bi_command = NULL;
443 uschar *big_buffer = NULL;
444 int big_buffer_size = BIG_BUFFER_SIZE;
445 #ifdef EXPERIMENTAL_BRIGHTMAIL
446 uschar *bmi_alt_location = NULL;
447 uschar *bmi_base64_tracker_verdict = NULL;
448 uschar *bmi_base64_verdict = NULL;
449 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
450 int bmi_deliver = 1;
451 int bmi_run = 0;
452 uschar *bmi_verdicts = NULL;
453 #endif
454 int body_linecount = 0;
455 int body_zerocount = 0;
456 uschar *bounce_message_file = NULL;
457 uschar *bounce_message_text = NULL;
458 uschar *bounce_recipient = NULL;
459 BOOL bounce_return_body = TRUE;
460 BOOL bounce_return_message = TRUE;
461 int bounce_return_size_limit = 100*1024;
462 uschar *bounce_sender_authentication = NULL;
463 int bsmtp_transaction_linecount = 0;
464
465 int callout_cache_domain_positive_expire = 7*24*60*60;
466 int callout_cache_domain_negative_expire = 3*60*60;
467 int callout_cache_positive_expire = 24*60*60;
468 int callout_cache_negative_expire = 2*60*60;
469 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
470 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
471 int check_log_inodes = 0;
472 int check_log_space = 0;
473 BOOL check_rfc2047_length = TRUE;
474 int check_spool_inodes = 0;
475 int check_spool_space = 0;
476 uschar *client_authenticator = NULL;
477 uschar *client_authenticated_id = NULL;
478 uschar *client_authenticated_sender = NULL;
479 int clmacro_count = 0;
480 uschar *clmacros[MAX_CLMACROS];
481 BOOL config_changed = FALSE;
482 FILE *config_file = NULL;
483 uschar *config_filename = NULL;
484 int config_lineno = 0;
485 #ifdef CONFIGURE_GROUP
486 gid_t config_gid = CONFIGURE_GROUP;
487 #endif
488 uschar *config_main_filelist = US CONFIGURE_FILE
489 "\0<-----------Space to patch configure_filename->";
490 uschar *config_main_filename = NULL;
491
492 #ifdef CONFIGURE_OWNER
493 uid_t config_uid = CONFIGURE_OWNER;
494 #endif
495
496 int connection_max_messages= -1;
497 uschar *continue_hostname = NULL;
498 uschar *continue_host_address = NULL;
499 BOOL continue_more = FALSE;
500 int continue_sequence = 1;
501 uschar *continue_transport = NULL;
502
503 uschar *csa_status = NULL;
504 BOOL cutthrough_delivery = FALSE;
505 int cutthrough_fd = -1;
506
507 BOOL daemon_listen = FALSE;
508 uschar *daemon_smtp_port = US"smtp";
509 int daemon_startup_retries = 9;
510 int daemon_startup_sleep = 30;
511
512 #ifdef EXPERIMENTAL_DCC
513 BOOL dcc_direct_add_header = FALSE;
514 uschar *dcc_header = NULL;
515 uschar *dcc_result = NULL;
516 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
517 uschar *dccifd_options = US"header";
518 #endif
519
520 BOOL debug_daemon = FALSE;
521 int debug_fd = -1;
522 FILE *debug_file = NULL;
523 bit_table debug_options[] = {
524 { US"acl", D_acl },
525 { US"all", D_all },
526 { US"auth", D_auth },
527 { US"deliver", D_deliver },
528 { US"dns", D_dns },
529 { US"dnsbl", D_dnsbl },
530 { US"exec", D_exec },
531 { US"expand", D_expand },
532 { US"filter", D_filter },
533 { US"hints_lookup", D_hints_lookup },
534 { US"host_lookup", D_host_lookup },
535 { US"ident", D_ident },
536 { US"interface", D_interface },
537 { US"lists", D_lists },
538 { US"load", D_load },
539 { US"local_scan", D_local_scan },
540 { US"lookup", D_lookup },
541 { US"memory", D_memory },
542 { US"pid", D_pid },
543 { US"process_info", D_process_info },
544 { US"queue_run", D_queue_run },
545 { US"receive", D_receive },
546 { US"resolver", D_resolver },
547 { US"retry", D_retry },
548 { US"rewrite", D_rewrite },
549 { US"route", D_route },
550 { US"timestamp", D_timestamp },
551 { US"tls", D_tls },
552 { US"transport", D_transport },
553 { US"uid", D_uid },
554 { US"verify", D_verify }
555 };
556 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
557 unsigned int debug_selector = 0;
558 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
559 uschar *delay_warning_condition=
560 US"${if or {"
561 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
562 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
563 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
564 "} {no}{yes}}";
565 BOOL delivery_date_remove = TRUE;
566 uschar *deliver_address_data = NULL;
567 int deliver_datafile = -1;
568 uschar *deliver_domain = NULL;
569 uschar *deliver_domain_data = NULL;
570 uschar *deliver_domain_orig = NULL;
571 uschar *deliver_domain_parent = NULL;
572 BOOL deliver_drop_privilege = FALSE;
573 BOOL deliver_firsttime = FALSE;
574 BOOL deliver_force = FALSE;
575 BOOL deliver_freeze = FALSE;
576 time_t deliver_frozen_at = 0;
577 uschar *deliver_home = NULL;
578 uschar *deliver_host = NULL;
579 uschar *deliver_host_address = NULL;
580 int deliver_host_port = 0;
581 uschar *deliver_in_buffer = NULL;
582 ino_t deliver_inode = 0;
583 uschar *deliver_localpart = NULL;
584 uschar *deliver_localpart_data = NULL;
585 uschar *deliver_localpart_orig = NULL;
586 uschar *deliver_localpart_parent = NULL;
587 uschar *deliver_localpart_prefix = NULL;
588 uschar *deliver_localpart_suffix = NULL;
589 BOOL deliver_force_thaw = FALSE;
590 BOOL deliver_manual_thaw = FALSE;
591 uschar *deliver_out_buffer = NULL;
592 int deliver_queue_load_max = -1;
593 address_item *deliver_recipients = NULL;
594 uschar *deliver_selectstring = NULL;
595 BOOL deliver_selectstring_regex = FALSE;
596 uschar *deliver_selectstring_sender = NULL;
597 BOOL deliver_selectstring_sender_regex = FALSE;
598 #ifdef WITH_OLD_DEMIME
599 int demime_errorlevel = 0;
600 int demime_ok = 0;
601 uschar *demime_reason = NULL;
602 #endif
603 BOOL disable_callout_flush = FALSE;
604 BOOL disable_delay_flush = FALSE;
605 #ifdef ENABLE_DISABLE_FSYNC
606 BOOL disable_fsync = FALSE;
607 #endif
608 BOOL disable_ipv6 = FALSE;
609 BOOL disable_logging = FALSE;
610
611 #ifndef DISABLE_DKIM
612 uschar *dkim_cur_signer = NULL;
613 uschar *dkim_signers = NULL;
614 uschar *dkim_signing_domain = NULL;
615 uschar *dkim_signing_selector = NULL;
616 uschar *dkim_verify_signers = US"$dkim_signers";
617 BOOL dkim_collect_input = FALSE;
618 BOOL dkim_disable_verify = FALSE;
619 #endif
620 #ifdef EXPERIMENTAL_DMARC
621 BOOL dmarc_has_been_checked = FALSE;
622 uschar *dmarc_ar_header = NULL;
623 uschar *dmarc_domain_policy = NULL;
624 uschar *dmarc_forensic_sender = NULL;
625 uschar *dmarc_history_file = NULL;
626 uschar *dmarc_status = NULL;
627 uschar *dmarc_status_text = NULL;
628 uschar *dmarc_tld_file = NULL;
629 uschar *dmarc_used_domain = NULL;
630 BOOL dmarc_disable_verify = FALSE;
631 BOOL dmarc_enable_forensic = FALSE;
632 #endif
633
634 uschar *dns_again_means_nonexist = NULL;
635 int dns_csa_search_limit = 5;
636 BOOL dns_csa_use_reverse = TRUE;
637 uschar *dns_ipv4_lookup = NULL;
638 int dns_retrans = 0;
639 int dns_retry = 0;
640 int dns_dnssec_ok = -1; /* <0 = not coerced */
641 int dns_use_edns0 = -1; /* <0 = not coerced */
642 uschar *dnslist_domain = NULL;
643 uschar *dnslist_matched = NULL;
644 uschar *dnslist_text = NULL;
645 uschar *dnslist_value = NULL;
646 tree_node *domainlist_anchor = NULL;
647 int domainlist_count = 0;
648 BOOL dont_deliver = FALSE;
649 BOOL dot_ends = TRUE;
650 BOOL drop_cr = FALSE; /* No longer used */
651 uschar *dsn_from = US DEFAULT_DSN_FROM;
652
653 BOOL enable_dollar_recipients = FALSE;
654 BOOL envelope_to_remove = TRUE;
655 int errno_quota = ERRNO_QUOTA;
656 uschar *errors_copy = NULL;
657 int error_handling = ERRORS_SENDER;
658 uschar *errors_reply_to = NULL;
659 int errors_sender_rc = EXIT_FAILURE;
660
661 gid_t exim_gid = EXIM_GID;
662 BOOL exim_gid_set = TRUE; /* This gid is always set */
663 uschar *exim_path = US BIN_DIRECTORY "/exim"
664 "\0<---------------Space to patch exim_path->";
665 uid_t exim_uid = EXIM_UID;
666 BOOL exim_uid_set = TRUE; /* This uid is always set */
667 int expand_forbid = 0;
668 int expand_nlength[EXPAND_MAXN+1];
669 int expand_nmax = -1;
670 uschar *expand_nstring[EXPAND_MAXN+1];
671 BOOL expand_string_forcedfail = FALSE;
672 uschar *expand_string_message;
673 BOOL extract_addresses_remove_arguments = TRUE;
674 uschar *extra_local_interfaces = NULL;
675
676 int fake_response = OK;
677 uschar *fake_response_text = US"Your message has been rejected but is "
678 "being kept for evaluation.\nIf it was a "
679 "legitimate message, it may still be "
680 "delivered to the target recipient(s).";
681 int filter_n[FILTER_VARIABLE_COUNT];
682 BOOL filter_running = FALSE;
683 int filter_sn[FILTER_VARIABLE_COUNT];
684 int filter_test = FTEST_NONE;
685 uschar *filter_test_sfile = NULL;
686 uschar *filter_test_ufile = NULL;
687 uschar *filter_thisaddress = NULL;
688 int finduser_retries = 0;
689 #ifdef WITH_OLD_DEMIME
690 uschar *found_extension = NULL;
691 #endif
692 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
693 uschar *freeze_tell = NULL;
694 uschar *freeze_tell_config = NULL;
695 uschar *fudged_queue_times = US"";
696
697 uschar *gecos_name = NULL;
698 uschar *gecos_pattern = NULL;
699 rewrite_rule *global_rewrite_rules = NULL;
700
701 uschar *headers_charset = US HEADERS_CHARSET;
702 int header_insert_maxlen = 64 * 1024;
703 header_line *header_last = NULL;
704 header_line *header_list = NULL;
705 int header_maxsize = HEADER_MAXSIZE;
706 int header_line_maxsize = 0;
707
708 header_name header_names[] = {
709 { US"bcc", 3, TRUE, htype_bcc },
710 { US"cc", 2, TRUE, htype_cc },
711 { US"date", 4, TRUE, htype_date },
712 { US"delivery-date", 13, FALSE, htype_delivery_date },
713 { US"envelope-to", 11, FALSE, htype_envelope_to },
714 { US"from", 4, TRUE, htype_from },
715 { US"message-id", 10, TRUE, htype_id },
716 { US"received", 8, FALSE, htype_received },
717 { US"reply-to", 8, FALSE, htype_reply_to },
718 { US"return-path", 11, FALSE, htype_return_path },
719 { US"sender", 6, TRUE, htype_sender },
720 { US"subject", 7, FALSE, htype_subject },
721 { US"to", 2, TRUE, htype_to }
722 };
723
724 int header_names_size = sizeof(header_names)/sizeof(header_name);
725
726 BOOL header_rewritten = FALSE;
727 uschar *helo_accept_junk_hosts = NULL;
728 uschar *helo_allow_chars = US"";
729 uschar *helo_lookup_domains = US"@ : @[]";
730 uschar *helo_try_verify_hosts = NULL;
731 BOOL helo_verified = FALSE;
732 BOOL helo_verify_failed = FALSE;
733 uschar *helo_verify_hosts = NULL;
734 const uschar *hex_digits = CUS"0123456789abcdef";
735 uschar *hold_domains = NULL;
736 BOOL host_checking = FALSE;
737 BOOL host_checking_callout = FALSE;
738 uschar *host_data = NULL;
739 BOOL host_find_failed_syntax= FALSE;
740 uschar *host_lookup = NULL;
741 BOOL host_lookup_deferred = FALSE;
742 BOOL host_lookup_failed = FALSE;
743 uschar *host_lookup_order = US"bydns:byaddr";
744 uschar *host_lookup_msg = US"";
745 int host_number = 0;
746 uschar *host_number_string = NULL;
747 uschar *host_reject_connection = NULL;
748 tree_node *hostlist_anchor = NULL;
749 int hostlist_count = 0;
750 uschar *hosts_treat_as_local = NULL;
751 uschar *hosts_connection_nolog = NULL;
752
753 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
754 BOOL ignore_fromline_local = FALSE;
755 uschar *ignore_fromline_hosts = NULL;
756 BOOL inetd_wait_mode = FALSE;
757 int inetd_wait_timeout = -1;
758 uschar *interface_address = NULL;
759 int interface_port = -1;
760 BOOL is_inetd = FALSE;
761 uschar *iterate_item = NULL;
762
763 int journal_fd = -1;
764
765 int keep_malformed = 4*24*60*60; /* 4 days */
766
767 uschar *eldap_dn = NULL;
768 int load_average = -2;
769 BOOL local_error_message = FALSE;
770 BOOL local_from_check = TRUE;
771 uschar *local_from_prefix = NULL;
772 uschar *local_from_suffix = NULL;
773
774 #if HAVE_IPV6
775 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
776 #else
777 uschar *local_interfaces = US"0.0.0.0";
778 #endif
779
780 uschar *local_scan_data = NULL;
781 int local_scan_timeout = 5*60;
782 BOOL local_sender_retain = FALSE;
783 gid_t local_user_gid = (gid_t)(-1);
784 uid_t local_user_uid = (uid_t)(-1);
785
786 tree_node *localpartlist_anchor= NULL;
787 int localpartlist_count = 0;
788 uschar *log_buffer = NULL;
789 unsigned int log_extra_selector = LX_default;
790 uschar *log_file_path = US LOG_FILE_PATH
791 "\0<--------------Space to patch log_file_path->";
792
793 /* Those log options with L_xxx identifiers have values less than 0x800000 and
794 are the ones that get put into log_write_selector. They can be used in calls to
795 log_write() to test for the bit. The options with LX_xxx identifiers have
796 values greater than 0x80000000 and are put into log_extra_selector (without the
797 top bit). They are never used in calls to log_write(), but are tested
798 independently. This separation became necessary when the number of log
799 selectors was getting close to filling a 32-bit word. */
800
801 /* Note that this list must be in alphabetical order. */
802
803 bit_table log_options[] = {
804 { US"8bitmime", LX_8bitmime },
805 { US"acl_warn_skipped", LX_acl_warn_skipped },
806 { US"address_rewrite", L_address_rewrite },
807 { US"all", L_all },
808 { US"all_parents", L_all_parents },
809 { US"arguments", LX_arguments },
810 { US"connection_reject", L_connection_reject },
811 { US"delay_delivery", L_delay_delivery },
812 { US"deliver_time", LX_deliver_time },
813 { US"delivery_size", LX_delivery_size },
814 { US"dnslist_defer", L_dnslist_defer },
815 { US"etrn", L_etrn },
816 { US"host_lookup_failed", L_host_lookup_failed },
817 { US"ident_timeout", LX_ident_timeout },
818 { US"incoming_interface", LX_incoming_interface },
819 { US"incoming_port", LX_incoming_port },
820 { US"lost_incoming_connection", L_lost_incoming_connection },
821 { US"outgoing_port", LX_outgoing_port },
822 { US"pid", LX_pid },
823 #ifdef EXPERIMENTAL_PROXY
824 { US"proxy", LX_proxy },
825 #endif
826 { US"queue_run", L_queue_run },
827 { US"queue_time", LX_queue_time },
828 { US"queue_time_overall", LX_queue_time_overall },
829 { US"received_recipients", LX_received_recipients },
830 { US"received_sender", LX_received_sender },
831 { US"rejected_header", LX_rejected_header },
832 { US"rejected_headers", LX_rejected_header },
833 { US"retry_defer", L_retry_defer },
834 { US"return_path_on_delivery", LX_return_path_on_delivery },
835 { US"sender_on_delivery", LX_sender_on_delivery },
836 { US"sender_verify_fail", LX_sender_verify_fail },
837 { US"size_reject", L_size_reject },
838 { US"skip_delivery", L_skip_delivery },
839 { US"smtp_confirmation", LX_smtp_confirmation },
840 { US"smtp_connection", L_smtp_connection },
841 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
842 { US"smtp_mailauth", LX_smtp_mailauth },
843 { US"smtp_no_mail", LX_smtp_no_mail },
844 { US"smtp_protocol_error", L_smtp_protocol_error },
845 { US"smtp_syntax_error", L_smtp_syntax_error },
846 { US"subject", LX_subject },
847 { US"tls_certificate_verified", LX_tls_certificate_verified },
848 { US"tls_cipher", LX_tls_cipher },
849 { US"tls_peerdn", LX_tls_peerdn },
850 { US"tls_sni", LX_tls_sni },
851 { US"unknown_in_list", LX_unknown_in_list }
852 };
853
854 int log_options_count = sizeof(log_options)/sizeof(bit_table);
855 int log_reject_target = 0;
856 uschar *log_selector_string = NULL;
857 FILE *log_stderr = NULL;
858 BOOL log_testing_mode = FALSE;
859 BOOL log_timezone = FALSE;
860 unsigned int log_write_selector= L_default;
861 uschar *login_sender_address = NULL;
862 uschar *lookup_dnssec_authenticated = NULL;
863 int lookup_open_max = 25;
864 uschar *lookup_value = NULL;
865
866 macro_item *macros = NULL;
867 uschar *mailstore_basename = NULL;
868 #ifdef WITH_CONTENT_SCAN
869 uschar *malware_name = NULL; /* Virus Name */
870 #endif
871 int max_received_linelength= 0;
872 int max_username_length = 0;
873 int message_age = 0;
874 uschar *message_body = NULL;
875 uschar *message_body_end = NULL;
876 BOOL message_body_newlines = FALSE;
877 int message_body_size = 0;
878 int message_body_visible = 500;
879 int message_ended = END_NOTSTARTED;
880 uschar *message_headers = NULL;
881 uschar *message_id;
882 uschar *message_id_domain = NULL;
883 uschar *message_id_text = NULL;
884 struct timeval message_id_tv = { 0, 0 };
885 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
886 uschar *message_id_external;
887 int message_linecount = 0;
888 BOOL message_logs = TRUE;
889 int message_size = 0;
890 uschar *message_size_limit = US"50M";
891 uschar message_subdir[2] = { 0, 0 };
892 uschar *message_reference = NULL;
893
894 /* MIME ACL expandables */
895 #ifdef WITH_CONTENT_SCAN
896 int mime_anomaly_level = 0;
897 const uschar *mime_anomaly_text = NULL;
898 uschar *mime_boundary = NULL;
899 uschar *mime_charset = NULL;
900 uschar *mime_content_description = NULL;
901 uschar *mime_content_disposition = NULL;
902 uschar *mime_content_id = NULL;
903 unsigned int mime_content_size = 0;
904 uschar *mime_content_transfer_encoding = NULL;
905 uschar *mime_content_type = NULL;
906 uschar *mime_decoded_filename = NULL;
907 uschar *mime_filename = NULL;
908 int mime_is_multipart = 0;
909 int mime_is_coverletter = 0;
910 int mime_is_rfc822 = 0;
911 int mime_part_count = -1;
912 #endif
913
914 BOOL mua_wrapper = FALSE;
915
916 uid_t *never_users = NULL;
917 #ifdef WITH_CONTENT_SCAN
918 BOOL no_mbox_unspool = FALSE;
919 #endif
920 BOOL no_multiline_responses = FALSE;
921
922 uid_t original_euid;
923 gid_t originator_gid;
924 uschar *originator_login = NULL;
925 uschar *originator_name = NULL;
926 uid_t originator_uid;
927 uschar *override_local_interfaces = NULL;
928 uschar *override_pid_file_path = NULL;
929
930 BOOL parse_allow_group = FALSE;
931 BOOL parse_found_group = FALSE;
932 uschar *percent_hack_domains = NULL;
933 uschar *pid_file_path = US PID_FILE_PATH
934 "\0<--------------Space to patch pid_file_path->";
935 BOOL pipelining_enable = TRUE;
936 uschar *pipelining_advertise_hosts = US"*";
937 BOOL preserve_message_logs = FALSE;
938 uschar *primary_hostname = NULL;
939 BOOL print_topbitchars = FALSE;
940 uschar process_info[PROCESS_INFO_SIZE];
941 int process_info_len = 0;
942 uschar *process_log_path = NULL;
943 BOOL prod_requires_admin = TRUE;
944
945 #ifdef EXPERIMENTAL_PROXY
946 uschar *proxy_host_address = US"";
947 int proxy_host_port = 0;
948 uschar *proxy_required_hosts = US"";
949 BOOL proxy_session = FALSE;
950 BOOL proxy_session_failed = FALSE;
951 uschar *proxy_target_address = US"";
952 int proxy_target_port = 0;
953 #endif
954
955 uschar *prvscheck_address = NULL;
956 uschar *prvscheck_keynum = NULL;
957 uschar *prvscheck_result = NULL;
958
959
960 uschar *qualify_domain_recipient = NULL;
961 uschar *qualify_domain_sender = NULL;
962 BOOL queue_2stage = FALSE;
963 uschar *queue_domains = NULL;
964 int queue_interval = -1;
965 BOOL queue_list_requires_admin = TRUE;
966 BOOL queue_only = FALSE;
967 uschar *queue_only_file = NULL;
968 int queue_only_load = -1;
969 BOOL queue_only_load_latch = TRUE;
970 BOOL queue_only_override = TRUE;
971 BOOL queue_only_policy = FALSE;
972 BOOL queue_run_first_delivery = FALSE;
973 BOOL queue_run_force = FALSE;
974 BOOL queue_run_in_order = FALSE;
975 BOOL queue_run_local = FALSE;
976 int queue_run_max = 5;
977 pid_t queue_run_pid = (pid_t)0;
978 int queue_run_pipe = -1;
979 BOOL queue_running = FALSE;
980 BOOL queue_smtp = FALSE;
981 uschar *queue_smtp_domains = NULL;
982
983 unsigned int random_seed = 0;
984 tree_node *ratelimiters_cmd = NULL;
985 tree_node *ratelimiters_conn = NULL;
986 tree_node *ratelimiters_mail = NULL;
987 uschar *raw_active_hostname = NULL;
988 uschar *raw_sender = NULL;
989 uschar **raw_recipients = NULL;
990 int raw_recipients_count = 0;
991
992 int rcpt_count = 0;
993 int rcpt_fail_count = 0;
994 int rcpt_defer_count = 0;
995 gid_t real_gid;
996 uid_t real_uid;
997 BOOL really_exim = TRUE;
998 BOOL receive_call_bombout = FALSE;
999 int receive_linecount = 0;
1000 int receive_messagecount = 0;
1001 int receive_timeout = 0;
1002 int received_count = 0;
1003 uschar *received_for = NULL;
1004
1005 /* This is the default text for Received headers generated by Exim. The
1006 date will be automatically added on the end. */
1007
1008 uschar *received_header_text = US
1009 "Received: "
1010 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1011 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1012 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1013 "by $primary_hostname "
1014 "${if def:received_protocol {with $received_protocol}} "
1015 #ifdef SUPPORT_TLS
1016 "${if def:tls_cipher {($tls_cipher)\n\t}}"
1017 #endif
1018 "(Exim $version_number)\n\t"
1019 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1020 "id $message_exim_id"
1021 "${if def:received_for {\n\tfor $received_for}}"
1022 "\0<---------------Space to patch received_header_text->";
1023
1024 int received_headers_max = 30;
1025 uschar *received_protocol = NULL;
1026 int received_time = 0;
1027 uschar *recipient_data = NULL;
1028 uschar *recipient_unqualified_hosts = NULL;
1029 uschar *recipient_verify_failure = NULL;
1030 int recipients_count = 0;
1031 BOOL recipients_discarded = FALSE;
1032 recipient_item *recipients_list = NULL;
1033 int recipients_list_max = 0;
1034 int recipients_max = 0;
1035 BOOL recipients_max_reject = FALSE;
1036 const pcre *regex_AUTH = NULL;
1037 const pcre *regex_check_dns_names = NULL;
1038 const pcre *regex_From = NULL;
1039 const pcre *regex_IGNOREQUOTA = NULL;
1040 const pcre *regex_PIPELINING = NULL;
1041 const pcre *regex_SIZE = NULL;
1042 const pcre *regex_smtp_code = NULL;
1043 const pcre *regex_ismsgid = NULL;
1044 #ifdef WHITELIST_D_MACROS
1045 const pcre *regex_whitelisted_macro = NULL;
1046 #endif
1047 #ifdef WITH_CONTENT_SCAN
1048 uschar *regex_match_string = NULL;
1049 #endif
1050 int remote_delivery_count = 0;
1051 int remote_max_parallel = 2;
1052 uschar *remote_sort_domains = NULL;
1053 int retry_data_expire = 7*24*60*60;
1054 int retry_interval_max = 24*60*60;
1055 int retry_maximum_timeout = 0; /* set from retry config */
1056 retry_config *retries = NULL;
1057 uschar *return_path = NULL;
1058 BOOL return_path_remove = TRUE;
1059 int rewrite_existflags = 0;
1060 uschar *rfc1413_hosts = US"*";
1061 int rfc1413_query_timeout = 5;
1062 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1063 uid_t root_gid = ROOT_GID;
1064 uid_t root_uid = ROOT_UID;
1065
1066 router_instance *routers = NULL;
1067 router_instance router_defaults = {
1068 NULL, /* chain pointer */
1069 NULL, /* name */
1070 NULL, /* info */
1071 NULL, /* private options block pointer */
1072 NULL, /* driver name */
1073
1074 NULL, /* address_data */
1075 #ifdef EXPERIMENTAL_BRIGHTMAIL
1076 NULL, /* bmi_rule */
1077 #endif
1078 NULL, /* cannot_route_message */
1079 NULL, /* condition */
1080 NULL, /* current_directory */
1081 NULL, /* debug_string */
1082 NULL, /* domains */
1083 NULL, /* errors_to */
1084 NULL, /* expand_gid */
1085 NULL, /* expand_uid */
1086 NULL, /* expand_more */
1087 NULL, /* expand_unseen */
1088 NULL, /* extra_headers */
1089 NULL, /* fallback_hosts */
1090 NULL, /* home_directory */
1091 NULL, /* ignore_target_hosts */
1092 NULL, /* local_parts */
1093 NULL, /* pass_router_name */
1094 NULL, /* prefix */
1095 NULL, /* redirect_router_name */
1096 NULL, /* remove_headers */
1097 NULL, /* require_files */
1098 NULL, /* router_home_directory */
1099 US"freeze", /* self */
1100 NULL, /* senders */
1101 NULL, /* suffix */
1102 NULL, /* translate_ip_address */
1103 NULL, /* transport_name */
1104
1105 TRUE, /* address_test */
1106 #ifdef EXPERIMENTAL_BRIGHTMAIL
1107 FALSE, /* bmi_deliver_alternate */
1108 FALSE, /* bmi_deliver_default */
1109 FALSE, /* bmi_dont_deliver */
1110 #endif
1111 TRUE, /* expn */
1112 FALSE, /* caseful_local_part */
1113 FALSE, /* check_local_user */
1114 FALSE, /* disable_logging */
1115 FALSE, /* fail_verify_recipient */
1116 FALSE, /* fail_verify_sender */
1117 FALSE, /* gid_set */
1118 FALSE, /* initgroups */
1119 TRUE_UNSET, /* log_as_local */
1120 TRUE, /* more */
1121 FALSE, /* pass_on_timeout */
1122 FALSE, /* prefix_optional */
1123 TRUE, /* repeat_use */
1124 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1125 FALSE, /* same_domain_copy_routing */
1126 FALSE, /* self_rewrite */
1127 FALSE, /* suffix_optional */
1128 FALSE, /* verify_only */
1129 TRUE, /* verify_recipient */
1130 TRUE, /* verify_sender */
1131 FALSE, /* uid_set */
1132 FALSE, /* unseen */
1133 #ifdef EXPERIMENTAL_DSN
1134 FALSE, /* dsn_lasthop */
1135 #endif
1136
1137 self_freeze, /* self_code */
1138 (uid_t)(-1), /* uid */
1139 (gid_t)(-1), /* gid */
1140
1141 NULL, /* fallback_hostlist */
1142 NULL, /* transport instance */
1143 NULL, /* pass_router */
1144 NULL /* redirect_router */
1145 };
1146
1147 uschar *router_name = NULL;
1148
1149 ip_address_item *running_interfaces = NULL;
1150 BOOL running_in_test_harness = FALSE;
1151
1152 /* This is a weird one. The following string gets patched in the binary by the
1153 script that sets up a copy of Exim for running in the test harness. It seems
1154 that compilers are now clever, and share constant strings if they can.
1155 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1156 make use of the end of this string in order to save space. So the patching then
1157 wrecks this. We defeat this optimization by adding some additional characters
1158 onto the end of the string. */
1159
1160 uschar *running_status = US">>>running<<<" "\0EXTRA";
1161
1162 int runrc = 0;
1163
1164 uschar *search_error_message = NULL;
1165 BOOL search_find_defer = FALSE;
1166 uschar *self_hostname = NULL;
1167 uschar *sender_address = NULL;
1168 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1169 uschar *sender_address_data = NULL;
1170 BOOL sender_address_forced = FALSE;
1171 uschar *sender_address_unrewritten = NULL;
1172 uschar *sender_data = NULL;
1173 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1174 uschar *sender_fullhost = NULL;
1175 uschar *sender_helo_name = NULL;
1176 uschar **sender_host_aliases = &no_aliases;
1177 uschar *sender_host_address = NULL;
1178 uschar *sender_host_authenticated = NULL;
1179 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1180 BOOL sender_host_dnssec = FALSE;
1181 uschar *sender_host_name = NULL;
1182 int sender_host_port = 0;
1183 BOOL sender_host_notsocket = FALSE;
1184 BOOL sender_host_unknown = FALSE;
1185 uschar *sender_ident = NULL;
1186 BOOL sender_local = FALSE;
1187 BOOL sender_name_forced = FALSE;
1188 uschar *sender_rate = NULL;
1189 uschar *sender_rate_limit = NULL;
1190 uschar *sender_rate_period = NULL;
1191 uschar *sender_rcvhost = NULL;
1192 BOOL sender_set_untrusted = FALSE;
1193 uschar *sender_unqualified_hosts = NULL;
1194 uschar *sender_verify_failure = NULL;
1195 address_item *sender_verified_list = NULL;
1196 address_item *sender_verified_failed = NULL;
1197 int sender_verified_rc = -1;
1198 BOOL sender_verified_responded = FALSE;
1199 uschar *sending_ip_address = NULL;
1200 int sending_port = -1;
1201 SIGNAL_BOOL sigalrm_seen = FALSE;
1202 uschar **sighup_argv = NULL;
1203 int smtp_accept_count = 0;
1204 BOOL smtp_accept_keepalive = TRUE;
1205 int smtp_accept_max = 20;
1206 int smtp_accept_max_nonmail= 10;
1207 uschar *smtp_accept_max_nonmail_hosts = US"*";
1208 int smtp_accept_max_per_connection = 1000;
1209 uschar *smtp_accept_max_per_host = NULL;
1210 int smtp_accept_queue = 0;
1211 int smtp_accept_queue_per_connection = 10;
1212 int smtp_accept_reserve = 0;
1213 uschar *smtp_active_hostname = NULL;
1214 BOOL smtp_authenticated = FALSE;
1215 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1216 "Exim $version_number $tod_full"
1217 "\0<---------------Space to patch smtp_banner->";
1218 BOOL smtp_batched_input = FALSE;
1219 BOOL smtp_check_spool_space = TRUE;
1220 int smtp_ch_index = 0;
1221 uschar *smtp_cmd_argument = NULL;
1222 uschar *smtp_cmd_buffer = NULL;
1223 time_t smtp_connection_start = 0;
1224 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1225 int smtp_connect_backlog = 20;
1226 double smtp_delay_mail = 0.0;
1227 double smtp_delay_rcpt = 0.0;
1228 BOOL smtp_enforce_sync = TRUE;
1229 FILE *smtp_in = NULL;
1230 BOOL smtp_input = FALSE;
1231 int smtp_load_reserve = -1;
1232 int smtp_mailcmd_count = 0;
1233 FILE *smtp_out = NULL;
1234 uschar *smtp_etrn_command = NULL;
1235 BOOL smtp_etrn_serialize = TRUE;
1236 int smtp_max_synprot_errors= 3;
1237 int smtp_max_unknown_commands = 3;
1238 uschar *smtp_notquit_reason = NULL;
1239 uschar *smtp_ratelimit_hosts = NULL;
1240 uschar *smtp_ratelimit_mail = NULL;
1241 uschar *smtp_ratelimit_rcpt = NULL;
1242 uschar *smtp_read_error = US"";
1243 int smtp_receive_timeout = 5*60;
1244 uschar *smtp_reserve_hosts = NULL;
1245 BOOL smtp_return_error_details = FALSE;
1246 int smtp_rlm_base = 0;
1247 double smtp_rlm_factor = 0.0;
1248 int smtp_rlm_limit = 0;
1249 int smtp_rlm_threshold = INT_MAX;
1250 int smtp_rlr_base = 0;
1251 double smtp_rlr_factor = 0.0;
1252 int smtp_rlr_limit = 0;
1253 int smtp_rlr_threshold = INT_MAX;
1254 BOOL smtp_use_pipelining = FALSE;
1255 BOOL smtp_use_size = FALSE;
1256
1257 #ifdef WITH_CONTENT_SCAN
1258 uschar *spamd_address = US"127.0.0.1 783";
1259 uschar *spam_bar = NULL;
1260 uschar *spam_report = NULL;
1261 uschar *spam_score = NULL;
1262 uschar *spam_score_int = NULL;
1263 #endif
1264 #ifdef EXPERIMENTAL_SPF
1265 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1266 uschar *spf_header_comment = NULL;
1267 uschar *spf_received = NULL;
1268 uschar *spf_result = NULL;
1269 uschar *spf_smtp_comment = NULL;
1270 #endif
1271
1272 BOOL split_spool_directory = FALSE;
1273 uschar *spool_directory = US SPOOL_DIRECTORY
1274 "\0<--------------Space to patch spool_directory->";
1275 #ifdef EXPERIMENTAL_SRS
1276 uschar *srs_config = NULL;
1277 uschar *srs_db_address = NULL;
1278 uschar *srs_db_key = NULL;
1279 int srs_hashlength = 6;
1280 int srs_hashmin = -1;
1281 int srs_maxage = 31;
1282 uschar *srs_orig_recipient = NULL;
1283 uschar *srs_orig_sender = NULL;
1284 uschar *srs_recipient = NULL;
1285 uschar *srs_secrets = NULL;
1286 uschar *srs_status = NULL;
1287 BOOL srs_usehash = TRUE;
1288 BOOL srs_usetimestamp = TRUE;
1289 #endif
1290 BOOL strict_acl_vars = FALSE;
1291 int string_datestamp_offset= -1;
1292 int string_datestamp_length= 0;
1293 int string_datestamp_type = -1;
1294 BOOL strip_excess_angle_brackets = FALSE;
1295 BOOL strip_trailing_dot = FALSE;
1296 uschar *submission_domain = NULL;
1297 BOOL submission_mode = FALSE;
1298 uschar *submission_name = NULL;
1299 BOOL suppress_local_fixups = FALSE;
1300 BOOL suppress_local_fixups_default = FALSE;
1301 BOOL synchronous_delivery = FALSE;
1302 BOOL syslog_duplication = TRUE;
1303 int syslog_facility = LOG_MAIL;
1304 uschar *syslog_processname = US"exim";
1305 BOOL syslog_timestamp = TRUE;
1306 uschar *system_filter = NULL;
1307
1308 uschar *system_filter_directory_transport = NULL;
1309 uschar *system_filter_file_transport = NULL;
1310 uschar *system_filter_pipe_transport = NULL;
1311 uschar *system_filter_reply_transport = NULL;
1312
1313 gid_t system_filter_gid = 0;
1314 BOOL system_filter_gid_set = FALSE;
1315 uid_t system_filter_uid = (uid_t)-1;
1316 BOOL system_filter_uid_set = FALSE;
1317 BOOL system_filtering = FALSE;
1318
1319 BOOL tcp_nodelay = TRUE;
1320 #ifdef USE_TCP_WRAPPERS
1321 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1322 #endif
1323 int test_harness_load_avg = 0;
1324 int thismessage_size_limit = 0;
1325 int timeout_frozen_after = 0;
1326 BOOL timestamps_utc = FALSE;
1327
1328 #ifdef EXPERIMENTAL_TPDA
1329 int tpda_defer_errno = 0;
1330 uschar *tpda_event = NULL; /* event name */
1331 uschar *tpda_data = NULL; /* auxilary data for event */
1332 uschar *delivery_event_action = NULL; /* expansion for delivery events */
1333 #endif
1334
1335 transport_instance *transports = NULL;
1336
1337 transport_instance transport_defaults = {
1338 NULL, /* chain pointer */
1339 NULL, /* name */
1340 NULL, /* info */
1341 NULL, /* private options block pointer */
1342 NULL, /* driver name */
1343 NULL, /* setup entry point */
1344 1, /* batch_max */
1345 NULL, /* batch_id */
1346 NULL, /* home_dir */
1347 NULL, /* current_dir */
1348 TRUE, /* multi-domain */
1349 FALSE, /* overrides_hosts */
1350 100, /* max_addresses */
1351 500, /* connection_max_messages */
1352 FALSE, /* deliver_as_creator */
1353 FALSE, /* disable_logging */
1354 FALSE, /* initgroups */
1355 FALSE, /* uid_set */
1356 FALSE, /* gid_set */
1357 (uid_t)(-1), /* uid */
1358 (gid_t)(-1), /* gid */
1359 NULL, /* expand_uid */
1360 NULL, /* expand_gid */
1361 NULL, /* warn_message */
1362 NULL, /* shadow */
1363 NULL, /* shadow_condition */
1364 NULL, /* filter_command */
1365 NULL, /* add_headers */
1366 NULL, /* remove_headers */
1367 NULL, /* return_path */
1368 NULL, /* debug_string */
1369 NULL, /* message_size_limit */
1370 NULL, /* headers_rewrite */
1371 NULL, /* rewrite_rules */
1372 0, /* rewrite_existflags */
1373 300, /* filter_timeout */
1374 FALSE, /* body_only */
1375 FALSE, /* delivery_date_add */
1376 FALSE, /* envelope_to_add */
1377 FALSE, /* headers_only */
1378 FALSE, /* rcpt_include_affixes */
1379 FALSE, /* return_path_add */
1380 FALSE, /* return_output */
1381 FALSE, /* return_fail_output */
1382 FALSE, /* log_output */
1383 FALSE, /* log_fail_output */
1384 FALSE, /* log_defer_output */
1385 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1386 1 nor 0 so can detect unset */
1387 #ifdef EXPERIMENTAL_TPDA
1388 ,NULL /* tpda_delivery_action */
1389 #endif
1390 };
1391
1392 int transport_count;
1393 uschar *transport_name = NULL;
1394 int transport_newlines;
1395 uschar **transport_filter_argv = NULL;
1396 int transport_filter_timeout;
1397 BOOL transport_filter_timed_out = FALSE;
1398 int transport_write_timeout= 0;
1399
1400 tree_node *tree_dns_fails = NULL;
1401 tree_node *tree_duplicates = NULL;
1402 tree_node *tree_nonrecipients = NULL;
1403 tree_node *tree_unusable = NULL;
1404
1405 BOOL trusted_caller = FALSE;
1406 BOOL trusted_config = TRUE;
1407 gid_t *trusted_groups = NULL;
1408 uid_t *trusted_users = NULL;
1409 uschar *timezone_string = US TIMEZONE_DEFAULT;
1410
1411 uschar *unknown_login = NULL;
1412 uschar *unknown_username = NULL;
1413 uschar *untrusted_set_sender = NULL;
1414
1415 /* A regex for matching a "From_" line in an incoming message, in the form
1416
1417 From ph10 Fri Jan 5 12:35 GMT 1996
1418
1419 which the "mail" commands send to the MTA (undocumented, of course), or in
1420 the form
1421
1422 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1423
1424 which is apparently used by some UUCPs, despite it not being in RFC 976.
1425 Because of variations in time formats, just match up to the minutes. That
1426 should be sufficient. Examples have been seen of time fields like 12:1:03,
1427 so just require one digit for hours and minutes. The weekday is also absent
1428 in some forms. */
1429
1430 uschar *uucp_from_pattern = US
1431 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1432 "(?:" /* Non-extracting bracket */
1433 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1434 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1435 ")" /* End alternation */
1436 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1437
1438 uschar *uucp_from_sender = US"$1";
1439
1440 uschar *warn_message_file = NULL;
1441 uschar *warnmsg_delay = NULL;
1442 uschar *warnmsg_recipients = NULL;
1443 BOOL write_rejectlog = TRUE;
1444
1445 uschar *version_copyright =
1446 US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1447 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1448 uschar *version_date = US"?";
1449 uschar *version_cnumber = US"????";
1450 uschar *version_string = US"?";
1451
1452 int warning_count = 0;
1453
1454 /* End of globals.c */
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