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