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Merge branch 'patch-1' of https://github.com/bes-internal/exim into master-bes-rateli...
[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 LOOKUP_SQLITE
87 int sqlite_lock_timeout = 5;
88 #endif
89
90 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
91 BOOL move_frozen_messages = FALSE;
92 #endif
93
94 /* These variables are outside the #ifdef because it keeps the code less
95 cluttered in several places (e.g. during logging) if we can always refer to
96 them. Also, the tls_ variables are now always visible. */
97
98 tls_support tls_in = {
99 -1, /* tls_active */
100 0, /* tls_bits */
101 FALSE,/* tls_certificate_verified */
102 NULL, /* tls_cipher */
103 FALSE,/* tls_on_connect */
104 NULL, /* tls_on_connect_ports */
105 NULL, /* tls_peerdn */
106 NULL /* tls_sni */
107 };
108 tls_support tls_out = {
109 -1, /* tls_active */
110 0, /* tls_bits */
111 FALSE,/* tls_certificate_verified */
112 NULL, /* tls_cipher */
113 FALSE,/* tls_on_connect */
114 NULL, /* tls_on_connect_ports */
115 NULL, /* tls_peerdn */
116 NULL /* tls_sni */
117 };
118
119
120 #ifdef SUPPORT_TLS
121 BOOL gnutls_compat_mode = FALSE;
122 BOOL gnutls_enable_pkcs11 = FALSE;
123 uschar *gnutls_require_mac = NULL;
124 uschar *gnutls_require_kx = NULL;
125 uschar *gnutls_require_proto = NULL;
126 uschar *openssl_options = NULL;
127 const pcre *regex_STARTTLS = NULL;
128 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
129 uschar *tls_certificate = NULL;
130 uschar *tls_crl = NULL;
131 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
132 that's the interop problem which has been observed: GnuTLS suggesting a higher
133 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
134 int tls_dh_max_bits = 2236;
135 uschar *tls_dhparam = NULL;
136 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
137 uschar *tls_ocsp_file = NULL;
138 #endif
139 BOOL tls_offered = FALSE;
140 uschar *tls_privatekey = NULL;
141 BOOL tls_remember_esmtp = FALSE;
142 uschar *tls_require_ciphers = NULL;
143 uschar *tls_try_verify_hosts = NULL;
144 uschar *tls_verify_certificates= NULL;
145 uschar *tls_verify_hosts = NULL;
146 #endif
147
148 #ifdef EXPERIMENTAL_PRDR
149 /* Per Recipient Data Response variables */
150 BOOL prdr_enable = FALSE;
151 BOOL prdr_requested = FALSE;
152 const pcre *regex_PRDR = NULL;
153 #endif
154
155 /* Input-reading functions for messages, so we can use special ones for
156 incoming TCP/IP. The defaults use stdin. We never need these for any
157 stand-alone tests. */
158
159 #ifndef STAND_ALONE
160 int (*receive_getc)(void) = stdin_getc;
161 int (*receive_ungetc)(int) = stdin_ungetc;
162 int (*receive_feof)(void) = stdin_feof;
163 int (*receive_ferror)(void) = stdin_ferror;
164 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
165 #endif
166
167
168 /* List of per-address expansion variables for clearing and saving/restoring
169 when verifying one address while routing/verifying another. We have to have
170 the size explicit, because it is referenced from more than one module. */
171
172 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
173 &deliver_address_data,
174 &deliver_domain,
175 &deliver_domain_data,
176 &deliver_domain_orig,
177 &deliver_domain_parent,
178 &deliver_localpart,
179 &deliver_localpart_data,
180 &deliver_localpart_orig,
181 &deliver_localpart_parent,
182 &deliver_localpart_prefix,
183 &deliver_localpart_suffix,
184 (uschar **)(&deliver_recipients),
185 &deliver_host,
186 &deliver_home,
187 &address_file,
188 &address_pipe,
189 &self_hostname,
190 NULL };
191
192 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
193
194 /* General global variables */
195
196 header_line *acl_added_headers = NULL;
197 tree_node *acl_anchor = NULL;
198 uschar *acl_arg[9] = {NULL, NULL, NULL, NULL, NULL,
199 NULL, NULL, NULL, NULL};
200 int acl_narg = 0;
201
202 uschar *acl_not_smtp = NULL;
203 #ifdef WITH_CONTENT_SCAN
204 uschar *acl_not_smtp_mime = NULL;
205 #endif
206 uschar *acl_not_smtp_start = NULL;
207 uschar *acl_removed_headers = NULL;
208 uschar *acl_smtp_auth = NULL;
209 uschar *acl_smtp_connect = NULL;
210 uschar *acl_smtp_data = NULL;
211 #ifdef EXPERIMENTAL_PRDR
212 uschar *acl_smtp_data_prdr = NULL;
213 #endif
214 #ifndef DISABLE_DKIM
215 uschar *acl_smtp_dkim = NULL;
216 #endif
217 uschar *acl_smtp_etrn = NULL;
218 uschar *acl_smtp_expn = NULL;
219 uschar *acl_smtp_helo = NULL;
220 uschar *acl_smtp_mail = NULL;
221 uschar *acl_smtp_mailauth = NULL;
222 #ifdef WITH_CONTENT_SCAN
223 uschar *acl_smtp_mime = NULL;
224 #endif
225 uschar *acl_smtp_notquit = NULL;
226 uschar *acl_smtp_predata = NULL;
227 uschar *acl_smtp_quit = NULL;
228 uschar *acl_smtp_rcpt = NULL;
229 uschar *acl_smtp_starttls = NULL;
230 uschar *acl_smtp_vrfy = NULL;
231
232 BOOL acl_temp_details = FALSE;
233 tree_node *acl_var_c = NULL;
234 tree_node *acl_var_m = NULL;
235 uschar *acl_verify_message = NULL;
236 string_item *acl_warn_logged = NULL;
237
238 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
239 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
240
241 uschar *acl_wherenames[] = { US"RCPT",
242 US"MAIL",
243 US"PREDATA",
244 US"MIME",
245 US"DKIM",
246 US"DATA",
247 #ifdef EXPERIMENTAL_PRDR
248 US"PRDR",
249 #endif
250 US"non-SMTP",
251 US"AUTH",
252 US"connection",
253 US"ETRN",
254 US"EXPN",
255 US"EHLO or HELO",
256 US"MAILAUTH",
257 US"non-SMTP-start",
258 US"NOTQUIT",
259 US"QUIT",
260 US"STARTTLS",
261 US"VRFY",
262 US"delivery",
263 US"unknown"
264 };
265
266 uschar *acl_wherecodes[] = { US"550", /* RCPT */
267 US"550", /* MAIL */
268 US"550", /* PREDATA */
269 US"550", /* MIME */
270 US"550", /* DKIM */
271 US"550", /* DATA */
272 #ifdef EXPERIMENTAL_PRDR
273 US"550", /* RCPT PRDR */
274 #endif
275 US"0", /* not SMTP; not relevant */
276 US"503", /* AUTH */
277 US"550", /* connect */
278 US"458", /* ETRN */
279 US"550", /* EXPN */
280 US"550", /* HELO/EHLO */
281 US"0", /* MAILAUTH; not relevant */
282 US"0", /* not SMTP; not relevant */
283 US"0", /* NOTQUIT; not relevant */
284 US"0", /* QUIT; not relevant */
285 US"550", /* STARTTLS */
286 US"252", /* VRFY */
287 US"0", /* delivery; not relevant */
288 US"0" /* unknown; not relevant */
289 };
290
291 BOOL active_local_from_check = FALSE;
292 BOOL active_local_sender_retain = FALSE;
293 int body_8bitmime = 0;
294 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
295 address_item *addr_duplicate = NULL;
296
297 address_item address_defaults = {
298 NULL, /* next */
299 NULL, /* parent */
300 NULL, /* first */
301 NULL, /* dupof */
302 NULL, /* start_router */
303 NULL, /* router */
304 NULL, /* transport */
305 NULL, /* host_list */
306 NULL, /* host_used */
307 NULL, /* fallback_hosts */
308 NULL, /* reply */
309 NULL, /* retries */
310 NULL, /* address */
311 NULL, /* unique */
312 NULL, /* cc_local_part */
313 NULL, /* lc_local_part */
314 NULL, /* local_part */
315 NULL, /* prefix */
316 NULL, /* suffix */
317 NULL, /* domain */
318 NULL, /* address_retry_key */
319 NULL, /* domain_retry_key */
320 NULL, /* current_dir */
321 NULL, /* home_dir */
322 NULL, /* message */
323 NULL, /* user_message */
324 NULL, /* onetime_parent */
325 NULL, /* pipe_expandn */
326 NULL, /* return_filename */
327 NULL, /* self_hostname */
328 NULL, /* shadow_message */
329 #ifdef SUPPORT_TLS
330 NULL, /* cipher */
331 NULL, /* peerdn */
332 #endif
333 NULL, /* authenticator */
334 NULL, /* auth_id */
335 NULL, /* auth_sndr */
336 (uid_t)(-1), /* uid */
337 (gid_t)(-1), /* gid */
338 0, /* flags */
339 { 0 }, /* domain_cache - any larger array should be zeroed */
340 { 0 }, /* localpart_cache - ditto */
341 -1, /* mode */
342 0, /* more_errno */
343 ERRNO_UNKNOWNERROR, /* basic_errno */
344 0, /* child_count */
345 -1, /* return_file */
346 SPECIAL_NONE, /* special_action */
347 DEFER, /* transport_return */
348 { /* fields that are propagated to children */
349 NULL, /* address_data */
350 NULL, /* domain_data */
351 NULL, /* localpart_data */
352 NULL, /* errors_address */
353 NULL, /* extra_headers */
354 NULL, /* remove_headers */
355 #ifdef EXPERIMENTAL_SRS
356 NULL, /* srs_sender */
357 #endif
358 }
359 };
360
361 uschar *address_file = NULL;
362 uschar *address_pipe = NULL;
363 BOOL address_test_mode = FALSE;
364 tree_node *addresslist_anchor = NULL;
365 int addresslist_count = 0;
366 gid_t *admin_groups = NULL;
367 BOOL admin_user = FALSE;
368 BOOL allow_auth_unadvertised= FALSE;
369 BOOL allow_domain_literals = FALSE;
370 BOOL allow_mx_to_ip = FALSE;
371 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
372 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
373 BOOL allow_utf8_domains = FALSE;
374 uschar *authenticated_fail_id = NULL;
375 uschar *authenticated_id = NULL;
376 uschar *authenticated_sender = NULL;
377 BOOL authentication_failed = FALSE;
378 auth_instance *auths = NULL;
379 uschar *auth_advertise_hosts = US"*";
380 auth_instance auth_defaults = {
381 NULL, /* chain pointer */
382 NULL, /* name */
383 NULL, /* info */
384 NULL, /* private options block pointer */
385 NULL, /* driver_name */
386 NULL, /* advertise_condition */
387 NULL, /* client_condition */
388 NULL, /* public_name */
389 NULL, /* set_id */
390 NULL, /* set_client_id */
391 NULL, /* server_mail_auth_condition */
392 NULL, /* server_debug_string */
393 NULL, /* server_condition */
394 FALSE, /* client */
395 FALSE, /* server */
396 FALSE /* advertised */
397 };
398
399 uschar *auth_defer_msg = US"reason not recorded";
400 uschar *auth_defer_user_msg = US"";
401 uschar *auth_vars[AUTH_VARS];
402 int auto_thaw = 0;
403 #ifdef WITH_CONTENT_SCAN
404 BOOL av_failed = FALSE;
405 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
406 #endif
407
408 BOOL background_daemon = TRUE;
409
410 #if BASE_62 == 62
411 uschar *base62_chars=
412 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
413 #else
414 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
415 #endif
416
417 uschar *bi_command = NULL;
418 uschar *big_buffer = NULL;
419 int big_buffer_size = BIG_BUFFER_SIZE;
420 #ifdef EXPERIMENTAL_BRIGHTMAIL
421 uschar *bmi_alt_location = NULL;
422 uschar *bmi_base64_tracker_verdict = NULL;
423 uschar *bmi_base64_verdict = NULL;
424 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
425 int bmi_deliver = 1;
426 int bmi_run = 0;
427 uschar *bmi_verdicts = NULL;
428 #endif
429 int body_linecount = 0;
430 int body_zerocount = 0;
431 uschar *bounce_message_file = NULL;
432 uschar *bounce_message_text = NULL;
433 uschar *bounce_recipient = NULL;
434 BOOL bounce_return_body = TRUE;
435 BOOL bounce_return_message = TRUE;
436 int bounce_return_size_limit = 100*1024;
437 uschar *bounce_sender_authentication = NULL;
438 int bsmtp_transaction_linecount = 0;
439
440 int callout_cache_domain_positive_expire = 7*24*60*60;
441 int callout_cache_domain_negative_expire = 3*60*60;
442 int callout_cache_positive_expire = 24*60*60;
443 int callout_cache_negative_expire = 2*60*60;
444 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
445 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
446 int check_log_inodes = 0;
447 int check_log_space = 0;
448 BOOL check_rfc2047_length = TRUE;
449 int check_spool_inodes = 0;
450 int check_spool_space = 0;
451 uschar *client_authenticator = NULL;
452 uschar *client_authenticated_id = NULL;
453 uschar *client_authenticated_sender = NULL;
454 int clmacro_count = 0;
455 uschar *clmacros[MAX_CLMACROS];
456 BOOL config_changed = FALSE;
457 FILE *config_file = NULL;
458 uschar *config_filename = NULL;
459 int config_lineno = 0;
460 #ifdef CONFIGURE_GROUP
461 gid_t config_gid = CONFIGURE_GROUP;
462 #endif
463 uschar *config_main_filelist = US CONFIGURE_FILE
464 "\0<-----------Space to patch configure_filename->";
465 uschar *config_main_filename = NULL;
466
467 #ifdef CONFIGURE_OWNER
468 uid_t config_uid = CONFIGURE_OWNER;
469 #endif
470
471 int connection_max_messages= -1;
472 uschar *continue_hostname = NULL;
473 uschar *continue_host_address = NULL;
474 BOOL continue_more = FALSE;
475 int continue_sequence = 1;
476 uschar *continue_transport = NULL;
477
478 uschar *csa_status = NULL;
479 BOOL cutthrough_delivery = FALSE;
480 int cutthrough_fd = -1;
481
482 BOOL daemon_listen = FALSE;
483 uschar *daemon_smtp_port = US"smtp";
484 int daemon_startup_retries = 9;
485 int daemon_startup_sleep = 30;
486
487 #ifdef EXPERIMENTAL_DCC
488 BOOL dcc_direct_add_header = FALSE;
489 uschar *dcc_header = NULL;
490 uschar *dcc_result = NULL;
491 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
492 uschar *dccifd_options = US"header";
493 #endif
494
495 BOOL debug_daemon = FALSE;
496 int debug_fd = -1;
497 FILE *debug_file = NULL;
498 bit_table debug_options[] = {
499 { US"acl", D_acl },
500 { US"all", D_all },
501 { US"auth", D_auth },
502 { US"deliver", D_deliver },
503 { US"dns", D_dns },
504 { US"dnsbl", D_dnsbl },
505 { US"exec", D_exec },
506 { US"expand", D_expand },
507 { US"filter", D_filter },
508 { US"hints_lookup", D_hints_lookup },
509 { US"host_lookup", D_host_lookup },
510 { US"ident", D_ident },
511 { US"interface", D_interface },
512 { US"lists", D_lists },
513 { US"load", D_load },
514 { US"local_scan", D_local_scan },
515 { US"lookup", D_lookup },
516 { US"memory", D_memory },
517 { US"pid", D_pid },
518 { US"process_info", D_process_info },
519 { US"queue_run", D_queue_run },
520 { US"receive", D_receive },
521 { US"resolver", D_resolver },
522 { US"retry", D_retry },
523 { US"rewrite", D_rewrite },
524 { US"route", D_route },
525 { US"timestamp", D_timestamp },
526 { US"tls", D_tls },
527 { US"transport", D_transport },
528 { US"uid", D_uid },
529 { US"verify", D_verify }
530 };
531 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
532 unsigned int debug_selector = 0;
533 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
534 uschar *delay_warning_condition=
535 US"${if or {"
536 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
537 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
538 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
539 "} {no}{yes}}";
540 BOOL delivery_date_remove = TRUE;
541 uschar *deliver_address_data = NULL;
542 int deliver_datafile = -1;
543 uschar *deliver_domain = NULL;
544 uschar *deliver_domain_data = NULL;
545 uschar *deliver_domain_orig = NULL;
546 uschar *deliver_domain_parent = NULL;
547 BOOL deliver_drop_privilege = FALSE;
548 BOOL deliver_firsttime = FALSE;
549 BOOL deliver_force = FALSE;
550 BOOL deliver_freeze = FALSE;
551 int deliver_frozen_at = 0;
552 uschar *deliver_home = NULL;
553 uschar *deliver_host = NULL;
554 uschar *deliver_host_address = NULL;
555 uschar *deliver_in_buffer = NULL;
556 ino_t deliver_inode = 0;
557 uschar *deliver_localpart = NULL;
558 uschar *deliver_localpart_data = NULL;
559 uschar *deliver_localpart_orig = NULL;
560 uschar *deliver_localpart_parent = NULL;
561 uschar *deliver_localpart_prefix = NULL;
562 uschar *deliver_localpart_suffix = NULL;
563 BOOL deliver_force_thaw = FALSE;
564 BOOL deliver_manual_thaw = FALSE;
565 uschar *deliver_out_buffer = NULL;
566 int deliver_queue_load_max = -1;
567 address_item *deliver_recipients = NULL;
568 uschar *deliver_selectstring = NULL;
569 BOOL deliver_selectstring_regex = FALSE;
570 uschar *deliver_selectstring_sender = NULL;
571 BOOL deliver_selectstring_sender_regex = FALSE;
572 #ifdef WITH_OLD_DEMIME
573 int demime_errorlevel = 0;
574 int demime_ok = 0;
575 uschar *demime_reason = NULL;
576 #endif
577 BOOL disable_callout_flush = FALSE;
578 BOOL disable_delay_flush = FALSE;
579 #ifdef ENABLE_DISABLE_FSYNC
580 BOOL disable_fsync = FALSE;
581 #endif
582 BOOL disable_ipv6 = FALSE;
583 BOOL disable_logging = FALSE;
584
585 #ifndef DISABLE_DKIM
586 uschar *dkim_cur_signer = NULL;
587 uschar *dkim_signers = NULL;
588 uschar *dkim_signing_domain = NULL;
589 uschar *dkim_signing_selector = NULL;
590 uschar *dkim_verify_signers = US"$dkim_signers";
591 BOOL dkim_collect_input = FALSE;
592 BOOL dkim_disable_verify = FALSE;
593 #endif
594 #ifdef EXPERIMENTAL_DMARC
595 BOOL dmarc_has_been_checked = FALSE;
596 uschar *dmarc_ar_header = NULL;
597 uschar *dmarc_forensic_sender = NULL;
598 uschar *dmarc_history_file = NULL;
599 uschar *dmarc_status = NULL;
600 uschar *dmarc_status_text = NULL;
601 uschar *dmarc_tld_file = NULL;
602 uschar *dmarc_used_domain = NULL;
603 BOOL dmarc_disable_verify = FALSE;
604 BOOL dmarc_enable_forensic = FALSE;
605 #endif
606
607 uschar *dns_again_means_nonexist = NULL;
608 int dns_csa_search_limit = 5;
609 BOOL dns_csa_use_reverse = TRUE;
610 uschar *dns_ipv4_lookup = NULL;
611 int dns_retrans = 0;
612 int dns_retry = 0;
613 int dns_dnssec_ok = -1; /* <0 = not coerced */
614 int dns_use_edns0 = -1; /* <0 = not coerced */
615 uschar *dnslist_domain = NULL;
616 uschar *dnslist_matched = NULL;
617 uschar *dnslist_text = NULL;
618 uschar *dnslist_value = NULL;
619 tree_node *domainlist_anchor = NULL;
620 int domainlist_count = 0;
621 BOOL dont_deliver = FALSE;
622 BOOL dot_ends = TRUE;
623 BOOL drop_cr = FALSE; /* No longer used */
624 uschar *dsn_from = US DEFAULT_DSN_FROM;
625
626 BOOL enable_dollar_recipients = FALSE;
627 BOOL envelope_to_remove = TRUE;
628 int errno_quota = ERRNO_QUOTA;
629 uschar *errors_copy = NULL;
630 int error_handling = ERRORS_SENDER;
631 uschar *errors_reply_to = NULL;
632 int errors_sender_rc = EXIT_FAILURE;
633
634 gid_t exim_gid = EXIM_GID;
635 BOOL exim_gid_set = TRUE; /* This gid is always set */
636 uschar *exim_path = US BIN_DIRECTORY "/exim"
637 "\0<---------------Space to patch exim_path->";
638 uid_t exim_uid = EXIM_UID;
639 BOOL exim_uid_set = TRUE; /* This uid is always set */
640 int expand_forbid = 0;
641 int expand_nlength[EXPAND_MAXN+1];
642 int expand_nmax = -1;
643 uschar *expand_nstring[EXPAND_MAXN+1];
644 BOOL expand_string_forcedfail = FALSE;
645 uschar *expand_string_message;
646 BOOL extract_addresses_remove_arguments = TRUE;
647 uschar *extra_local_interfaces = NULL;
648
649 int fake_response = OK;
650 uschar *fake_response_text = US"Your message has been rejected but is "
651 "being kept for evaluation.\nIf it was a "
652 "legitimate message, it may still be "
653 "delivered to the target recipient(s).";
654 int filter_n[FILTER_VARIABLE_COUNT];
655 BOOL filter_running = FALSE;
656 int filter_sn[FILTER_VARIABLE_COUNT];
657 int filter_test = FTEST_NONE;
658 uschar *filter_test_sfile = NULL;
659 uschar *filter_test_ufile = NULL;
660 uschar *filter_thisaddress = NULL;
661 int finduser_retries = 0;
662 #ifdef WITH_OLD_DEMIME
663 uschar *found_extension = NULL;
664 #endif
665 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
666 uschar *freeze_tell = NULL;
667 uschar *freeze_tell_config = NULL;
668 uschar *fudged_queue_times = US"";
669
670 uschar *gecos_name = NULL;
671 uschar *gecos_pattern = NULL;
672 rewrite_rule *global_rewrite_rules = NULL;
673
674 uschar *headers_charset = US HEADERS_CHARSET;
675 int header_insert_maxlen = 64 * 1024;
676 header_line *header_last = NULL;
677 header_line *header_list = NULL;
678 int header_maxsize = HEADER_MAXSIZE;
679 int header_line_maxsize = 0;
680
681 header_name header_names[] = {
682 { US"bcc", 3, TRUE, htype_bcc },
683 { US"cc", 2, TRUE, htype_cc },
684 { US"date", 4, TRUE, htype_date },
685 { US"delivery-date", 13, FALSE, htype_delivery_date },
686 { US"envelope-to", 11, FALSE, htype_envelope_to },
687 { US"from", 4, TRUE, htype_from },
688 { US"message-id", 10, TRUE, htype_id },
689 { US"received", 8, FALSE, htype_received },
690 { US"reply-to", 8, FALSE, htype_reply_to },
691 { US"return-path", 11, FALSE, htype_return_path },
692 { US"sender", 6, TRUE, htype_sender },
693 { US"subject", 7, FALSE, htype_subject },
694 { US"to", 2, TRUE, htype_to }
695 };
696
697 int header_names_size = sizeof(header_names)/sizeof(header_name);
698
699 BOOL header_rewritten = FALSE;
700 uschar *helo_accept_junk_hosts = NULL;
701 uschar *helo_allow_chars = US"";
702 uschar *helo_lookup_domains = US"@ : @[]";
703 uschar *helo_try_verify_hosts = NULL;
704 BOOL helo_verified = FALSE;
705 BOOL helo_verify_failed = FALSE;
706 uschar *helo_verify_hosts = NULL;
707 const uschar *hex_digits = CUS"0123456789abcdef";
708 uschar *hold_domains = NULL;
709 BOOL host_checking = FALSE;
710 BOOL host_checking_callout = FALSE;
711 uschar *host_data = NULL;
712 BOOL host_find_failed_syntax= FALSE;
713 uschar *host_lookup = NULL;
714 BOOL host_lookup_deferred = FALSE;
715 BOOL host_lookup_failed = FALSE;
716 uschar *host_lookup_order = US"bydns:byaddr";
717 uschar *host_lookup_msg = US"";
718 int host_number = 0;
719 uschar *host_number_string = NULL;
720 uschar *host_reject_connection = NULL;
721 tree_node *hostlist_anchor = NULL;
722 int hostlist_count = 0;
723 uschar *hosts_treat_as_local = NULL;
724 uschar *hosts_connection_nolog = NULL;
725
726 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
727 BOOL ignore_fromline_local = FALSE;
728 uschar *ignore_fromline_hosts = NULL;
729 BOOL inetd_wait_mode = FALSE;
730 int inetd_wait_timeout = -1;
731 uschar *interface_address = NULL;
732 int interface_port = -1;
733 BOOL is_inetd = FALSE;
734 uschar *iterate_item = NULL;
735
736 int journal_fd = -1;
737
738 int keep_malformed = 4*24*60*60; /* 4 days */
739
740 uschar *eldap_dn = NULL;
741 int load_average = -2;
742 BOOL local_error_message = FALSE;
743 BOOL local_from_check = TRUE;
744 uschar *local_from_prefix = NULL;
745 uschar *local_from_suffix = NULL;
746
747 #if HAVE_IPV6
748 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
749 #else
750 uschar *local_interfaces = US"0.0.0.0";
751 #endif
752
753 uschar *local_scan_data = NULL;
754 int local_scan_timeout = 5*60;
755 BOOL local_sender_retain = FALSE;
756 gid_t local_user_gid = (gid_t)(-1);
757 uid_t local_user_uid = (uid_t)(-1);
758
759 tree_node *localpartlist_anchor= NULL;
760 int localpartlist_count = 0;
761 uschar *log_buffer = NULL;
762 unsigned int log_extra_selector = LX_default;
763 uschar *log_file_path = US LOG_FILE_PATH
764 "\0<--------------Space to patch log_file_path->";
765
766 /* Those log options with L_xxx identifiers have values less than 0x800000 and
767 are the ones that get put into log_write_selector. They can be used in calls to
768 log_write() to test for the bit. The options with LX_xxx identifiers have
769 values greater than 0x80000000 and are put into log_extra_selector (without the
770 top bit). They are never used in calls to log_write(), but are tested
771 independently. This separation became necessary when the number of log
772 selectors was getting close to filling a 32-bit word. */
773
774 /* Note that this list must be in alphabetical order. */
775
776 bit_table log_options[] = {
777 { US"8bitmime", LX_8bitmime },
778 { US"acl_warn_skipped", LX_acl_warn_skipped },
779 { US"address_rewrite", L_address_rewrite },
780 { US"all", L_all },
781 { US"all_parents", L_all_parents },
782 { US"arguments", LX_arguments },
783 { US"connection_reject", L_connection_reject },
784 { US"delay_delivery", L_delay_delivery },
785 { US"deliver_time", LX_deliver_time },
786 { US"delivery_size", LX_delivery_size },
787 { US"dnslist_defer", L_dnslist_defer },
788 { US"etrn", L_etrn },
789 { US"host_lookup_failed", L_host_lookup_failed },
790 { US"ident_timeout", LX_ident_timeout },
791 { US"incoming_interface", LX_incoming_interface },
792 { US"incoming_port", LX_incoming_port },
793 { US"lost_incoming_connection", L_lost_incoming_connection },
794 { US"outgoing_port", LX_outgoing_port },
795 { US"pid", LX_pid },
796 { US"queue_run", L_queue_run },
797 { US"queue_time", LX_queue_time },
798 { US"queue_time_overall", LX_queue_time_overall },
799 { US"received_recipients", LX_received_recipients },
800 { US"received_sender", LX_received_sender },
801 { US"rejected_header", LX_rejected_header },
802 { US"rejected_headers", LX_rejected_header },
803 { US"retry_defer", L_retry_defer },
804 { US"return_path_on_delivery", LX_return_path_on_delivery },
805 { US"sender_on_delivery", LX_sender_on_delivery },
806 { US"sender_verify_fail", LX_sender_verify_fail },
807 { US"size_reject", L_size_reject },
808 { US"skip_delivery", L_skip_delivery },
809 { US"smtp_confirmation", LX_smtp_confirmation },
810 { US"smtp_connection", L_smtp_connection },
811 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
812 { US"smtp_mailauth", LX_smtp_mailauth },
813 { US"smtp_no_mail", LX_smtp_no_mail },
814 { US"smtp_protocol_error", L_smtp_protocol_error },
815 { US"smtp_syntax_error", L_smtp_syntax_error },
816 { US"subject", LX_subject },
817 { US"tls_certificate_verified", LX_tls_certificate_verified },
818 { US"tls_cipher", LX_tls_cipher },
819 { US"tls_peerdn", LX_tls_peerdn },
820 { US"tls_sni", LX_tls_sni },
821 { US"unknown_in_list", LX_unknown_in_list }
822 };
823
824 int log_options_count = sizeof(log_options)/sizeof(bit_table);
825 int log_reject_target = 0;
826 uschar *log_selector_string = NULL;
827 FILE *log_stderr = NULL;
828 BOOL log_testing_mode = FALSE;
829 BOOL log_timezone = FALSE;
830 unsigned int log_write_selector= L_default;
831 uschar *login_sender_address = NULL;
832 int lookup_open_max = 25;
833 uschar *lookup_value = NULL;
834
835 macro_item *macros = NULL;
836 uschar *mailstore_basename = NULL;
837 #ifdef WITH_CONTENT_SCAN
838 uschar *malware_name = NULL; /* Virus Name */
839 #endif
840 int max_received_linelength= 0;
841 int max_username_length = 0;
842 int message_age = 0;
843 uschar *message_body = NULL;
844 uschar *message_body_end = NULL;
845 BOOL message_body_newlines = FALSE;
846 int message_body_size = 0;
847 int message_body_visible = 500;
848 int message_ended = END_NOTSTARTED;
849 uschar *message_headers = NULL;
850 uschar *message_id;
851 uschar *message_id_domain = NULL;
852 uschar *message_id_text = NULL;
853 struct timeval message_id_tv = { 0, 0 };
854 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
855 uschar *message_id_external;
856 int message_linecount = 0;
857 BOOL message_logs = TRUE;
858 int message_size = 0;
859 uschar *message_size_limit = US"50M";
860 uschar message_subdir[2] = { 0, 0 };
861 uschar *message_reference = NULL;
862
863 /* MIME ACL expandables */
864 #ifdef WITH_CONTENT_SCAN
865 int mime_anomaly_level = 0;
866 const uschar *mime_anomaly_text = NULL;
867 uschar *mime_boundary = NULL;
868 uschar *mime_charset = NULL;
869 uschar *mime_content_description = NULL;
870 uschar *mime_content_disposition = NULL;
871 uschar *mime_content_id = NULL;
872 unsigned int mime_content_size = 0;
873 uschar *mime_content_transfer_encoding = NULL;
874 uschar *mime_content_type = NULL;
875 uschar *mime_decoded_filename = NULL;
876 uschar *mime_filename = NULL;
877 int mime_is_multipart = 0;
878 int mime_is_coverletter = 0;
879 int mime_is_rfc822 = 0;
880 int mime_part_count = -1;
881 #endif
882
883 BOOL mua_wrapper = FALSE;
884
885 uid_t *never_users = NULL;
886 #ifdef WITH_CONTENT_SCAN
887 BOOL no_mbox_unspool = FALSE;
888 #endif
889 BOOL no_multiline_responses = FALSE;
890
891 uid_t original_euid;
892 gid_t originator_gid;
893 uschar *originator_login = NULL;
894 uschar *originator_name = NULL;
895 uid_t originator_uid;
896 uschar *override_local_interfaces = NULL;
897 uschar *override_pid_file_path = NULL;
898
899 BOOL parse_allow_group = FALSE;
900 BOOL parse_found_group = FALSE;
901 uschar *percent_hack_domains = NULL;
902 uschar *pid_file_path = US PID_FILE_PATH
903 "\0<--------------Space to patch pid_file_path->";
904 BOOL pipelining_enable = TRUE;
905 uschar *pipelining_advertise_hosts = US"*";
906 BOOL preserve_message_logs = FALSE;
907 uschar *primary_hostname = NULL;
908 BOOL print_topbitchars = FALSE;
909 uschar process_info[PROCESS_INFO_SIZE];
910 int process_info_len = 0;
911 uschar *process_log_path = NULL;
912 BOOL prod_requires_admin = TRUE;
913 uschar *prvscheck_address = NULL;
914 uschar *prvscheck_keynum = NULL;
915 uschar *prvscheck_result = NULL;
916
917
918 uschar *qualify_domain_recipient = NULL;
919 uschar *qualify_domain_sender = NULL;
920 BOOL queue_2stage = FALSE;
921 uschar *queue_domains = NULL;
922 int queue_interval = -1;
923 BOOL queue_list_requires_admin = TRUE;
924 BOOL queue_only = FALSE;
925 uschar *queue_only_file = NULL;
926 int queue_only_load = -1;
927 BOOL queue_only_load_latch = TRUE;
928 BOOL queue_only_override = TRUE;
929 BOOL queue_only_policy = FALSE;
930 BOOL queue_run_first_delivery = FALSE;
931 BOOL queue_run_force = FALSE;
932 BOOL queue_run_in_order = FALSE;
933 BOOL queue_run_local = FALSE;
934 int queue_run_max = 5;
935 pid_t queue_run_pid = (pid_t)0;
936 int queue_run_pipe = -1;
937 BOOL queue_running = FALSE;
938 BOOL queue_smtp = FALSE;
939 uschar *queue_smtp_domains = NULL;
940
941 unsigned int random_seed = 0;
942 tree_node *ratelimiters_cmd = NULL;
943 tree_node *ratelimiters_conn = NULL;
944 tree_node *ratelimiters_mail = NULL;
945 uschar *raw_active_hostname = NULL;
946 uschar *raw_sender = NULL;
947 uschar **raw_recipients = NULL;
948 int raw_recipients_count = 0;
949
950 int rcpt_count = 0;
951 int rcpt_fail_count = 0;
952 int rcpt_defer_count = 0;
953 gid_t real_gid;
954 uid_t real_uid;
955 BOOL really_exim = TRUE;
956 BOOL receive_call_bombout = FALSE;
957 int receive_linecount = 0;
958 int receive_messagecount = 0;
959 int receive_timeout = 0;
960 int received_count = 0;
961 uschar *received_for = NULL;
962
963 /* This is the default text for Received headers generated by Exim. The
964 date will be automatically added on the end. */
965
966 uschar *received_header_text = US
967 "Received: "
968 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
969 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
970 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
971 "by $primary_hostname "
972 "${if def:received_protocol {with $received_protocol}} "
973 #ifdef SUPPORT_TLS
974 "${if def:tls_cipher {($tls_cipher)\n\t}}"
975 #endif
976 "(Exim $version_number)\n\t"
977 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
978 "id $message_exim_id"
979 "${if def:received_for {\n\tfor $received_for}}"
980 "\0<---------------Space to patch received_header_text->";
981
982 int received_headers_max = 30;
983 uschar *received_protocol = NULL;
984 int received_time = 0;
985 uschar *recipient_data = NULL;
986 uschar *recipient_unqualified_hosts = NULL;
987 uschar *recipient_verify_failure = NULL;
988 int recipients_count = 0;
989 BOOL recipients_discarded = FALSE;
990 recipient_item *recipients_list = NULL;
991 int recipients_list_max = 0;
992 int recipients_max = 0;
993 BOOL recipients_max_reject = FALSE;
994 const pcre *regex_AUTH = NULL;
995 const pcre *regex_check_dns_names = NULL;
996 const pcre *regex_From = NULL;
997 const pcre *regex_IGNOREQUOTA = NULL;
998 const pcre *regex_PIPELINING = NULL;
999 const pcre *regex_SIZE = NULL;
1000 const pcre *regex_smtp_code = NULL;
1001 const pcre *regex_ismsgid = NULL;
1002 #ifdef WHITELIST_D_MACROS
1003 const pcre *regex_whitelisted_macro = NULL;
1004 #endif
1005 #ifdef WITH_CONTENT_SCAN
1006 uschar *regex_match_string = NULL;
1007 #endif
1008 int remote_delivery_count = 0;
1009 int remote_max_parallel = 2;
1010 uschar *remote_sort_domains = NULL;
1011 int retry_data_expire = 7*24*60*60;
1012 int retry_interval_max = 24*60*60;
1013 int retry_maximum_timeout = 0; /* set from retry config */
1014 retry_config *retries = NULL;
1015 uschar *return_path = NULL;
1016 BOOL return_path_remove = TRUE;
1017 int rewrite_existflags = 0;
1018 uschar *rfc1413_hosts = US"*";
1019 int rfc1413_query_timeout = 5;
1020 /* BOOL rfc821_domains = FALSE; <<< on the way out */
1021 uid_t root_gid = ROOT_GID;
1022 uid_t root_uid = ROOT_UID;
1023
1024 router_instance *routers = NULL;
1025 router_instance router_defaults = {
1026 NULL, /* chain pointer */
1027 NULL, /* name */
1028 NULL, /* info */
1029 NULL, /* private options block pointer */
1030 NULL, /* driver name */
1031
1032 NULL, /* address_data */
1033 #ifdef EXPERIMENTAL_BRIGHTMAIL
1034 NULL, /* bmi_rule */
1035 #endif
1036 NULL, /* cannot_route_message */
1037 NULL, /* condition */
1038 NULL, /* current_directory */
1039 NULL, /* debug_string */
1040 NULL, /* domains */
1041 NULL, /* errors_to */
1042 NULL, /* expand_gid */
1043 NULL, /* expand_uid */
1044 NULL, /* expand_more */
1045 NULL, /* expand_unseen */
1046 NULL, /* extra_headers */
1047 NULL, /* fallback_hosts */
1048 NULL, /* home_directory */
1049 NULL, /* ignore_target_hosts */
1050 NULL, /* local_parts */
1051 NULL, /* pass_router_name */
1052 NULL, /* prefix */
1053 NULL, /* redirect_router_name */
1054 NULL, /* remove_headers */
1055 NULL, /* require_files */
1056 NULL, /* router_home_directory */
1057 US"freeze", /* self */
1058 NULL, /* senders */
1059 NULL, /* suffix */
1060 NULL, /* translate_ip_address */
1061 NULL, /* transport_name */
1062
1063 TRUE, /* address_test */
1064 #ifdef EXPERIMENTAL_BRIGHTMAIL
1065 FALSE, /* bmi_deliver_alternate */
1066 FALSE, /* bmi_deliver_default */
1067 FALSE, /* bmi_dont_deliver */
1068 #endif
1069 TRUE, /* expn */
1070 FALSE, /* caseful_local_part */
1071 FALSE, /* check_local_user */
1072 FALSE, /* disable_logging */
1073 FALSE, /* fail_verify_recipient */
1074 FALSE, /* fail_verify_sender */
1075 FALSE, /* gid_set */
1076 FALSE, /* initgroups */
1077 TRUE_UNSET, /* log_as_local */
1078 TRUE, /* more */
1079 FALSE, /* pass_on_timeout */
1080 FALSE, /* prefix_optional */
1081 TRUE, /* repeat_use */
1082 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1083 FALSE, /* same_domain_copy_routing */
1084 FALSE, /* self_rewrite */
1085 FALSE, /* suffix_optional */
1086 FALSE, /* verify_only */
1087 TRUE, /* verify_recipient */
1088 TRUE, /* verify_sender */
1089 FALSE, /* uid_set */
1090 FALSE, /* unseen */
1091
1092 self_freeze, /* self_code */
1093 (uid_t)(-1), /* uid */
1094 (gid_t)(-1), /* gid */
1095
1096 NULL, /* fallback_hostlist */
1097 NULL, /* transport instance */
1098 NULL, /* pass_router */
1099 NULL /* redirect_router */
1100 };
1101
1102 uschar *router_name = NULL;
1103
1104 ip_address_item *running_interfaces = NULL;
1105 BOOL running_in_test_harness = FALSE;
1106
1107 /* This is a weird one. The following string gets patched in the binary by the
1108 script that sets up a copy of Exim for running in the test harness. It seems
1109 that compilers are now clever, and share constant strings if they can.
1110 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1111 make use of the end of this string in order to save space. So the patching then
1112 wrecks this. We defeat this optimization by adding some additional characters
1113 onto the end of the string. */
1114
1115 uschar *running_status = US">>>running<<<" "\0EXTRA";
1116
1117 int runrc = 0;
1118
1119 uschar *search_error_message = NULL;
1120 BOOL search_find_defer = FALSE;
1121 uschar *self_hostname = NULL;
1122 uschar *sender_address = NULL;
1123 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1124 uschar *sender_address_data = NULL;
1125 BOOL sender_address_forced = FALSE;
1126 uschar *sender_address_unrewritten = NULL;
1127 uschar *sender_data = NULL;
1128 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1129 uschar *sender_fullhost = NULL;
1130 uschar *sender_helo_name = NULL;
1131 uschar **sender_host_aliases = &no_aliases;
1132 uschar *sender_host_address = NULL;
1133 uschar *sender_host_authenticated = NULL;
1134 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1135 BOOL sender_host_dnssec = FALSE;
1136 uschar *sender_host_name = NULL;
1137 int sender_host_port = 0;
1138 BOOL sender_host_notsocket = FALSE;
1139 BOOL sender_host_unknown = FALSE;
1140 uschar *sender_ident = NULL;
1141 BOOL sender_local = FALSE;
1142 BOOL sender_name_forced = FALSE;
1143 uschar *sender_rate = NULL;
1144 uschar *sender_rate_limit = NULL;
1145 uschar *sender_rate_period = NULL;
1146 uschar *sender_rcvhost = NULL;
1147 BOOL sender_set_untrusted = FALSE;
1148 uschar *sender_unqualified_hosts = NULL;
1149 uschar *sender_verify_failure = NULL;
1150 address_item *sender_verified_list = NULL;
1151 address_item *sender_verified_failed = NULL;
1152 int sender_verified_rc = -1;
1153 BOOL sender_verified_responded = FALSE;
1154 uschar *sending_ip_address = NULL;
1155 int sending_port = -1;
1156 SIGNAL_BOOL sigalrm_seen = FALSE;
1157 uschar **sighup_argv = NULL;
1158 int smtp_accept_count = 0;
1159 BOOL smtp_accept_keepalive = TRUE;
1160 int smtp_accept_max = 20;
1161 int smtp_accept_max_nonmail= 10;
1162 uschar *smtp_accept_max_nonmail_hosts = US"*";
1163 int smtp_accept_max_per_connection = 1000;
1164 uschar *smtp_accept_max_per_host = NULL;
1165 int smtp_accept_queue = 0;
1166 int smtp_accept_queue_per_connection = 10;
1167 int smtp_accept_reserve = 0;
1168 uschar *smtp_active_hostname = NULL;
1169 BOOL smtp_authenticated = FALSE;
1170 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1171 "Exim $version_number $tod_full"
1172 "\0<---------------Space to patch smtp_banner->";
1173 BOOL smtp_batched_input = FALSE;
1174 BOOL smtp_check_spool_space = TRUE;
1175 int smtp_ch_index = 0;
1176 uschar *smtp_cmd_argument = NULL;
1177 uschar *smtp_cmd_buffer = NULL;
1178 time_t smtp_connection_start = 0;
1179 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1180 int smtp_connect_backlog = 20;
1181 double smtp_delay_mail = 0.0;
1182 double smtp_delay_rcpt = 0.0;
1183 BOOL smtp_enforce_sync = TRUE;
1184 FILE *smtp_in = NULL;
1185 BOOL smtp_input = FALSE;
1186 int smtp_load_reserve = -1;
1187 int smtp_mailcmd_count = 0;
1188 FILE *smtp_out = NULL;
1189 uschar *smtp_etrn_command = NULL;
1190 BOOL smtp_etrn_serialize = TRUE;
1191 int smtp_max_synprot_errors= 3;
1192 int smtp_max_unknown_commands = 3;
1193 uschar *smtp_notquit_reason = NULL;
1194 uschar *smtp_ratelimit_hosts = NULL;
1195 uschar *smtp_ratelimit_mail = NULL;
1196 uschar *smtp_ratelimit_rcpt = NULL;
1197 uschar *smtp_read_error = US"";
1198 int smtp_receive_timeout = 5*60;
1199 uschar *smtp_reserve_hosts = NULL;
1200 BOOL smtp_return_error_details = FALSE;
1201 int smtp_rlm_base = 0;
1202 double smtp_rlm_factor = 0.0;
1203 int smtp_rlm_limit = 0;
1204 int smtp_rlm_threshold = INT_MAX;
1205 int smtp_rlr_base = 0;
1206 double smtp_rlr_factor = 0.0;
1207 int smtp_rlr_limit = 0;
1208 int smtp_rlr_threshold = INT_MAX;
1209 BOOL smtp_use_pipelining = FALSE;
1210 BOOL smtp_use_size = FALSE;
1211
1212 #ifdef WITH_CONTENT_SCAN
1213 uschar *spamd_address = US"127.0.0.1 783";
1214 uschar *spam_bar = NULL;
1215 uschar *spam_report = NULL;
1216 uschar *spam_score = NULL;
1217 uschar *spam_score_int = NULL;
1218 #endif
1219 #ifdef EXPERIMENTAL_SPF
1220 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1221 uschar *spf_header_comment = NULL;
1222 uschar *spf_received = NULL;
1223 uschar *spf_result = NULL;
1224 uschar *spf_smtp_comment = NULL;
1225 #endif
1226
1227 BOOL split_spool_directory = FALSE;
1228 uschar *spool_directory = US SPOOL_DIRECTORY
1229 "\0<--------------Space to patch spool_directory->";
1230 #ifdef EXPERIMENTAL_SRS
1231 uschar *srs_config = NULL;
1232 uschar *srs_db_address = NULL;
1233 uschar *srs_db_key = NULL;
1234 int srs_hashlength = 6;
1235 int srs_hashmin = -1;
1236 int srs_maxage = 31;
1237 uschar *srs_orig_recipient = NULL;
1238 uschar *srs_orig_sender = NULL;
1239 uschar *srs_recipient = NULL;
1240 uschar *srs_secrets = NULL;
1241 uschar *srs_status = NULL;
1242 BOOL srs_usehash = TRUE;
1243 BOOL srs_usetimestamp = TRUE;
1244 #endif
1245 BOOL strict_acl_vars = FALSE;
1246 int string_datestamp_offset= -1;
1247 int string_datestamp_length= 0;
1248 int string_datestamp_type = -1;
1249 BOOL strip_excess_angle_brackets = FALSE;
1250 BOOL strip_trailing_dot = FALSE;
1251 uschar *submission_domain = NULL;
1252 BOOL submission_mode = FALSE;
1253 uschar *submission_name = NULL;
1254 BOOL suppress_local_fixups = FALSE;
1255 BOOL suppress_local_fixups_default = FALSE;
1256 BOOL synchronous_delivery = FALSE;
1257 BOOL syslog_duplication = TRUE;
1258 int syslog_facility = LOG_MAIL;
1259 uschar *syslog_processname = US"exim";
1260 BOOL syslog_timestamp = TRUE;
1261 uschar *system_filter = NULL;
1262
1263 uschar *system_filter_directory_transport = NULL;
1264 uschar *system_filter_file_transport = NULL;
1265 uschar *system_filter_pipe_transport = NULL;
1266 uschar *system_filter_reply_transport = NULL;
1267
1268 gid_t system_filter_gid = 0;
1269 BOOL system_filter_gid_set = FALSE;
1270 uid_t system_filter_uid = (uid_t)-1;
1271 BOOL system_filter_uid_set = FALSE;
1272 BOOL system_filtering = FALSE;
1273
1274 BOOL tcp_nodelay = TRUE;
1275 #ifdef USE_TCP_WRAPPERS
1276 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1277 #endif
1278 int test_harness_load_avg = 0;
1279 int thismessage_size_limit = 0;
1280 int timeout_frozen_after = 0;
1281 BOOL timestamps_utc = FALSE;
1282
1283 #ifdef EXPERIMENTAL_TPDA
1284 int tpda_defer_errno = 0;
1285 uschar *tpda_defer_errstr = NULL;
1286 uschar *tpda_delivery_ip = NULL;
1287 int tpda_delivery_port = 0;
1288 uschar *tpda_delivery_fqdn = NULL;
1289 uschar *tpda_delivery_local_part= NULL;
1290 uschar *tpda_delivery_domain = NULL;
1291 uschar *tpda_delivery_confirmation = NULL;
1292 #endif
1293
1294 transport_instance *transports = NULL;
1295
1296 transport_instance transport_defaults = {
1297 NULL, /* chain pointer */
1298 NULL, /* name */
1299 NULL, /* info */
1300 NULL, /* private options block pointer */
1301 NULL, /* driver name */
1302 NULL, /* setup entry point */
1303 1, /* batch_max */
1304 NULL, /* batch_id */
1305 NULL, /* home_dir */
1306 NULL, /* current_dir */
1307 TRUE, /* multi-domain */
1308 FALSE, /* overrides_hosts */
1309 100, /* max_addresses */
1310 500, /* connection_max_messages */
1311 FALSE, /* deliver_as_creator */
1312 FALSE, /* disable_logging */
1313 FALSE, /* initgroups */
1314 FALSE, /* uid_set */
1315 FALSE, /* gid_set */
1316 (uid_t)(-1), /* uid */
1317 (gid_t)(-1), /* gid */
1318 NULL, /* expand_uid */
1319 NULL, /* expand_gid */
1320 NULL, /* warn_message */
1321 NULL, /* shadow */
1322 NULL, /* shadow_condition */
1323 NULL, /* filter_command */
1324 NULL, /* add_headers */
1325 NULL, /* remove_headers */
1326 NULL, /* return_path */
1327 NULL, /* debug_string */
1328 NULL, /* message_size_limit */
1329 NULL, /* headers_rewrite */
1330 NULL, /* rewrite_rules */
1331 0, /* rewrite_existflags */
1332 300, /* filter_timeout */
1333 FALSE, /* body_only */
1334 FALSE, /* delivery_date_add */
1335 FALSE, /* envelope_to_add */
1336 FALSE, /* headers_only */
1337 FALSE, /* rcpt_include_affixes */
1338 FALSE, /* return_path_add */
1339 FALSE, /* return_output */
1340 FALSE, /* return_fail_output */
1341 FALSE, /* log_output */
1342 FALSE, /* log_fail_output */
1343 FALSE, /* log_defer_output */
1344 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1345 1 nor 0 so can detect unset */
1346 };
1347
1348 int transport_count;
1349 uschar *transport_name = NULL;
1350 int transport_newlines;
1351 uschar **transport_filter_argv = NULL;
1352 int transport_filter_timeout;
1353 BOOL transport_filter_timed_out = FALSE;
1354 int transport_write_timeout= 0;
1355
1356 tree_node *tree_dns_fails = NULL;
1357 tree_node *tree_duplicates = NULL;
1358 tree_node *tree_nonrecipients = NULL;
1359 tree_node *tree_unusable = NULL;
1360
1361 BOOL trusted_caller = FALSE;
1362 BOOL trusted_config = TRUE;
1363 gid_t *trusted_groups = NULL;
1364 uid_t *trusted_users = NULL;
1365 uschar *timezone_string = US TIMEZONE_DEFAULT;
1366
1367 uschar *unknown_login = NULL;
1368 uschar *unknown_username = NULL;
1369 uschar *untrusted_set_sender = NULL;
1370
1371 /* A regex for matching a "From_" line in an incoming message, in the form
1372
1373 From ph10 Fri Jan 5 12:35 GMT 1996
1374
1375 which the "mail" commands send to the MTA (undocumented, of course), or in
1376 the form
1377
1378 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1379
1380 which is apparently used by some UUCPs, despite it not being in RFC 976.
1381 Because of variations in time formats, just match up to the minutes. That
1382 should be sufficient. Examples have been seen of time fields like 12:1:03,
1383 so just require one digit for hours and minutes. The weekday is also absent
1384 in some forms. */
1385
1386 uschar *uucp_from_pattern = US
1387 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1388 "(?:" /* Non-extracting bracket */
1389 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1390 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1391 ")" /* End alternation */
1392 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1393
1394 uschar *uucp_from_sender = US"$1";
1395
1396 uschar *warn_message_file = NULL;
1397 uschar *warnmsg_delay = NULL;
1398 uschar *warnmsg_recipients = NULL;
1399 BOOL write_rejectlog = TRUE;
1400
1401 uschar *version_copyright =
1402 US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1403 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1404 uschar *version_date = US"?";
1405 uschar *version_cnumber = US"????";
1406 uschar *version_string = US"?";
1407
1408 int warning_count = 0;
1409
1410 /* End of globals.c */
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