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Basic cutthrough delivery.
[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 { "driver", opt_stringptr | opt_public,
21 (void *)(offsetof(auth_instance, driver_name)) },
22 { "public_name", opt_stringptr | opt_public,
23 (void *)(offsetof(auth_instance, public_name)) },
24 { "server_advertise_condition", opt_stringptr | opt_public,
25 (void *)(offsetof(auth_instance, advertise_condition))},
26 { "server_condition", opt_stringptr | opt_public,
27 (void *)(offsetof(auth_instance, server_condition)) },
28 { "server_debug_print", opt_stringptr | opt_public,
29 (void *)(offsetof(auth_instance, server_debug_string)) },
30 { "server_mail_auth_condition", opt_stringptr | opt_public,
31 (void *)(offsetof(auth_instance, mail_auth_condition)) },
32 { "server_set_id", opt_stringptr | opt_public,
33 (void *)(offsetof(auth_instance, set_id)) }
34 };
35
36 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
37
38 /* An empty host aliases list. */
39
40 uschar *no_aliases = NULL;
41
42
43 /* For comments on these variables, see globals.h. I'm too idle to
44 duplicate them here... */
45
46 #ifdef EXIM_PERL
47 uschar *opt_perl_startup = NULL;
48 BOOL opt_perl_at_start = FALSE;
49 BOOL opt_perl_started = FALSE;
50 #endif
51
52 #ifdef EXPAND_DLFUNC
53 tree_node *dlobj_anchor = NULL;
54 #endif
55
56 #ifdef LOOKUP_IBASE
57 uschar *ibase_servers = NULL;
58 #endif
59
60 #ifdef LOOKUP_LDAP
61 uschar *eldap_ca_cert_dir = NULL;
62 uschar *eldap_ca_cert_file = NULL;
63 uschar *eldap_cert_file = NULL;
64 uschar *eldap_cert_key = NULL;
65 uschar *eldap_cipher_suite = NULL;
66 uschar *eldap_default_servers = NULL;
67 uschar *eldap_require_cert = NULL;
68 int eldap_version = -1;
69 BOOL eldap_start_tls = FALSE;
70 #endif
71
72 #ifdef LOOKUP_MYSQL
73 uschar *mysql_servers = NULL;
74 #endif
75
76 #ifdef LOOKUP_ORACLE
77 uschar *oracle_servers = NULL;
78 #endif
79
80 #ifdef LOOKUP_PGSQL
81 uschar *pgsql_servers = NULL;
82 #endif
83
84 #ifdef LOOKUP_SQLITE
85 int sqlite_lock_timeout = 5;
86 #endif
87
88 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
89 BOOL move_frozen_messages = FALSE;
90 #endif
91
92 /* These variables are outside the #ifdef because it keeps the code less
93 cluttered in several places (e.g. during logging) if we can always refer to
94 them. Also, the tls_ variables are now always visible. */
95
96 BOOL tls_active = -1;
97 int tls_bits = 0;
98 BOOL tls_certificate_verified = FALSE;
99 uschar *tls_cipher = NULL;
100 BOOL tls_on_connect = FALSE;
101 uschar *tls_on_connect_ports = NULL;
102 uschar *tls_peerdn = NULL;
103
104 #ifdef SUPPORT_TLS
105 BOOL gnutls_compat_mode = FALSE;
106 uschar *gnutls_require_mac = NULL;
107 uschar *gnutls_require_kx = NULL;
108 uschar *gnutls_require_proto = NULL;
109 uschar *openssl_options = NULL;
110 const pcre *regex_STARTTLS = NULL;
111 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
112 uschar *tls_certificate = NULL;
113 uschar *tls_crl = NULL;
114 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
115 that's the interop problem which has been observed: GnuTLS suggesting a higher
116 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
117 int tls_dh_max_bits = 2236;
118 uschar *tls_dhparam = NULL;
119 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
120 uschar *tls_ocsp_file = NULL;
121 #endif
122 BOOL tls_offered = FALSE;
123 uschar *tls_privatekey = NULL;
124 BOOL tls_remember_esmtp = FALSE;
125 uschar *tls_require_ciphers = NULL;
126 uschar *tls_sni = NULL;
127 uschar *tls_try_verify_hosts = NULL;
128 uschar *tls_verify_certificates= NULL;
129 uschar *tls_verify_hosts = NULL;
130 #endif
131
132
133 /* Input-reading functions for messages, so we can use special ones for
134 incoming TCP/IP. The defaults use stdin. We never need these for any
135 stand-alone tests. */
136
137 #ifndef STAND_ALONE
138 int (*receive_getc)(void) = stdin_getc;
139 int (*receive_ungetc)(int) = stdin_ungetc;
140 int (*receive_feof)(void) = stdin_feof;
141 int (*receive_ferror)(void) = stdin_ferror;
142 BOOL (*receive_smtp_buffered)(void) = NULL; /* Only used for SMTP */
143 #endif
144
145
146 /* List of per-address expansion variables for clearing and saving/restoring
147 when verifying one address while routing/verifying another. We have to have
148 the size explicit, because it is referenced from more than one module. */
149
150 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
151 &deliver_address_data,
152 &deliver_domain,
153 &deliver_domain_data,
154 &deliver_domain_orig,
155 &deliver_domain_parent,
156 &deliver_localpart,
157 &deliver_localpart_data,
158 &deliver_localpart_orig,
159 &deliver_localpart_parent,
160 &deliver_localpart_prefix,
161 &deliver_localpart_suffix,
162 (uschar **)(&deliver_recipients),
163 &deliver_host,
164 &deliver_home,
165 &address_file,
166 &address_pipe,
167 &self_hostname,
168 NULL };
169
170 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
171
172 /* General global variables */
173
174 header_line *acl_added_headers = NULL;
175 tree_node *acl_anchor = NULL;
176
177 uschar *acl_not_smtp = NULL;
178 #ifdef WITH_CONTENT_SCAN
179 uschar *acl_not_smtp_mime = NULL;
180 #endif
181 uschar *acl_not_smtp_start = NULL;
182
183 uschar *acl_smtp_auth = NULL;
184 uschar *acl_smtp_connect = NULL;
185 uschar *acl_smtp_data = NULL;
186 #ifndef DISABLE_DKIM
187 uschar *acl_smtp_dkim = NULL;
188 #endif
189 uschar *acl_smtp_etrn = NULL;
190 uschar *acl_smtp_expn = NULL;
191 uschar *acl_smtp_helo = NULL;
192 uschar *acl_smtp_mail = NULL;
193 uschar *acl_smtp_mailauth = NULL;
194 #ifdef WITH_CONTENT_SCAN
195 uschar *acl_smtp_mime = NULL;
196 #endif
197 uschar *acl_smtp_notquit = NULL;
198 uschar *acl_smtp_predata = NULL;
199 uschar *acl_smtp_quit = NULL;
200 uschar *acl_smtp_rcpt = NULL;
201 uschar *acl_smtp_starttls = NULL;
202 uschar *acl_smtp_vrfy = NULL;
203
204 BOOL acl_temp_details = FALSE;
205 tree_node *acl_var_c = NULL;
206 tree_node *acl_var_m = NULL;
207 uschar *acl_verify_message = NULL;
208 string_item *acl_warn_logged = NULL;
209
210 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
211 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
212
213 uschar *acl_wherenames[] = { US"RCPT",
214 US"MAIL",
215 US"PREDATA",
216 US"MIME",
217 US"DKIM",
218 US"DATA",
219 US"non-SMTP",
220 US"AUTH",
221 US"connection",
222 US"ETRN",
223 US"EXPN",
224 US"EHLO or HELO",
225 US"MAILAUTH",
226 US"non-SMTP-start",
227 US"NOTQUIT",
228 US"QUIT",
229 US"STARTTLS",
230 US"VRFY"
231 };
232
233 uschar *acl_wherecodes[] = { US"550", /* RCPT */
234 US"550", /* MAIL */
235 US"550", /* PREDATA */
236 US"550", /* MIME */
237 US"550", /* DKIM */
238 US"550", /* DATA */
239 US"0", /* not SMTP; not relevant */
240 US"503", /* AUTH */
241 US"550", /* connect */
242 US"458", /* ETRN */
243 US"550", /* EXPN */
244 US"550", /* HELO/EHLO */
245 US"0", /* MAILAUTH; not relevant */
246 US"0", /* not SMTP; not relevant */
247 US"0", /* NOTQUIT; not relevant */
248 US"0", /* QUIT; not relevant */
249 US"550", /* STARTTLS */
250 US"252" /* VRFY */
251 };
252
253 BOOL active_local_from_check = FALSE;
254 BOOL active_local_sender_retain = FALSE;
255 BOOL accept_8bitmime = TRUE; /* deliberately not RFC compliant */
256 address_item *addr_duplicate = NULL;
257
258 address_item address_defaults = {
259 NULL, /* next */
260 NULL, /* parent */
261 NULL, /* first */
262 NULL, /* dupof */
263 NULL, /* start_router */
264 NULL, /* router */
265 NULL, /* transport */
266 NULL, /* host_list */
267 NULL, /* host_used */
268 NULL, /* fallback_hosts */
269 NULL, /* reply */
270 NULL, /* retries */
271 NULL, /* address */
272 NULL, /* unique */
273 NULL, /* cc_local_part */
274 NULL, /* lc_local_part */
275 NULL, /* local_part */
276 NULL, /* prefix */
277 NULL, /* suffix */
278 NULL, /* domain */
279 NULL, /* address_retry_key */
280 NULL, /* domain_retry_key */
281 NULL, /* current_dir */
282 NULL, /* home_dir */
283 NULL, /* message */
284 NULL, /* user_message */
285 NULL, /* onetime_parent */
286 NULL, /* pipe_expandn */
287 NULL, /* return_filename */
288 NULL, /* self_hostname */
289 NULL, /* shadow_message */
290 #ifdef SUPPORT_TLS
291 NULL, /* cipher */
292 NULL, /* peerdn */
293 #endif
294 (uid_t)(-1), /* uid */
295 (gid_t)(-1), /* gid */
296 0, /* flags */
297 { 0 }, /* domain_cache - any larger array should be zeroed */
298 { 0 }, /* localpart_cache - ditto */
299 -1, /* mode */
300 0, /* more_errno */
301 ERRNO_UNKNOWNERROR, /* basic_errno */
302 0, /* child_count */
303 -1, /* return_file */
304 SPECIAL_NONE, /* special_action */
305 DEFER, /* transport_return */
306 { /* fields that are propagated to children */
307 NULL, /* address_data */
308 NULL, /* domain_data */
309 NULL, /* localpart_data */
310 NULL, /* errors_address */
311 NULL, /* extra_headers */
312 NULL, /* remove_headers */
313 #ifdef EXPERIMENTAL_SRS
314 NULL, /* srs_sender */
315 #endif
316 }
317 };
318
319 uschar *address_file = NULL;
320 uschar *address_pipe = NULL;
321 BOOL address_test_mode = FALSE;
322 tree_node *addresslist_anchor = NULL;
323 int addresslist_count = 0;
324 gid_t *admin_groups = NULL;
325 BOOL admin_user = FALSE;
326 BOOL allow_auth_unadvertised= FALSE;
327 BOOL allow_domain_literals = FALSE;
328 BOOL allow_mx_to_ip = FALSE;
329 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
330 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
331 BOOL allow_utf8_domains = FALSE;
332 uschar *authenticated_id = NULL;
333 uschar *authenticated_sender = NULL;
334 BOOL authentication_failed = FALSE;
335 auth_instance *auths = NULL;
336 uschar *auth_advertise_hosts = US"*";
337 auth_instance auth_defaults = {
338 NULL, /* chain pointer */
339 NULL, /* name */
340 NULL, /* info */
341 NULL, /* private options block pointer */
342 NULL, /* driver_name */
343 NULL, /* advertise_condition */
344 NULL, /* client_condition */
345 NULL, /* public_name */
346 NULL, /* set_id */
347 NULL, /* server_mail_auth_condition */
348 NULL, /* server_debug_string */
349 NULL, /* server_condition */
350 FALSE, /* client */
351 FALSE, /* server */
352 FALSE /* advertised */
353 };
354
355 uschar *auth_defer_msg = US"reason not recorded";
356 uschar *auth_defer_user_msg = US"";
357 uschar *auth_vars[AUTH_VARS];
358 int auto_thaw = 0;
359 #ifdef WITH_CONTENT_SCAN
360 BOOL av_failed = FALSE;
361 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
362 #endif
363
364 BOOL background_daemon = TRUE;
365
366 #if BASE_62 == 62
367 uschar *base62_chars=
368 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
369 #else
370 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
371 #endif
372
373 uschar *bi_command = NULL;
374 uschar *big_buffer = NULL;
375 int big_buffer_size = BIG_BUFFER_SIZE;
376 #ifdef EXPERIMENTAL_BRIGHTMAIL
377 uschar *bmi_alt_location = NULL;
378 uschar *bmi_base64_tracker_verdict = NULL;
379 uschar *bmi_base64_verdict = NULL;
380 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
381 int bmi_deliver = 1;
382 int bmi_run = 0;
383 uschar *bmi_verdicts = NULL;
384 #endif
385 int body_linecount = 0;
386 int body_zerocount = 0;
387 uschar *bounce_message_file = NULL;
388 uschar *bounce_message_text = NULL;
389 uschar *bounce_recipient = NULL;
390 BOOL bounce_return_body = TRUE;
391 BOOL bounce_return_message = TRUE;
392 int bounce_return_size_limit = 100*1024;
393 uschar *bounce_sender_authentication = NULL;
394 int bsmtp_transaction_linecount = 0;
395
396 int callout_cache_domain_positive_expire = 7*24*60*60;
397 int callout_cache_domain_negative_expire = 3*60*60;
398 int callout_cache_positive_expire = 24*60*60;
399 int callout_cache_negative_expire = 2*60*60;
400 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
401 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
402 int check_log_inodes = 0;
403 int check_log_space = 0;
404 BOOL check_rfc2047_length = TRUE;
405 int check_spool_inodes = 0;
406 int check_spool_space = 0;
407 int clmacro_count = 0;
408 uschar *clmacros[MAX_CLMACROS];
409 BOOL config_changed = FALSE;
410 FILE *config_file = NULL;
411 uschar *config_filename = NULL;
412 int config_lineno = 0;
413 #ifdef CONFIGURE_GROUP
414 gid_t config_gid = CONFIGURE_GROUP;
415 #endif
416 uschar *config_main_filelist = US CONFIGURE_FILE
417 "\0<-----------Space to patch configure_filename->";
418 uschar *config_main_filename = NULL;
419
420 #ifdef CONFIGURE_OWNER
421 uid_t config_uid = CONFIGURE_OWNER;
422 #endif
423
424 int connection_max_messages= -1;
425 uschar *continue_hostname = NULL;
426 uschar *continue_host_address = NULL;
427 BOOL continue_more = FALSE;
428 int continue_sequence = 1;
429 uschar *continue_transport = NULL;
430
431 uschar *csa_status = NULL;
432 BOOL cutthrough_delivery = FALSE;
433 int cutthrough_fd = -1;
434
435 BOOL daemon_listen = FALSE;
436 uschar *daemon_smtp_port = US"smtp";
437 int daemon_startup_retries = 9;
438 int daemon_startup_sleep = 30;
439
440 #ifdef EXPERIMENTAL_DCC
441 BOOL dcc_direct_add_header = FALSE;
442 uschar *dcc_header = NULL;
443 uschar *dcc_result = NULL;
444 uschar *dccifd_address = US"/usr/local/dcc/var/dccifd";
445 uschar *dccifd_options = US"header";
446 #endif
447
448 BOOL debug_daemon = FALSE;
449 int debug_fd = -1;
450 FILE *debug_file = NULL;
451 bit_table debug_options[] = {
452 { US"acl", D_acl },
453 { US"all", D_all },
454 { US"auth", D_auth },
455 { US"deliver", D_deliver },
456 { US"dns", D_dns },
457 { US"dnsbl", D_dnsbl },
458 { US"exec", D_exec },
459 { US"expand", D_expand },
460 { US"filter", D_filter },
461 { US"hints_lookup", D_hints_lookup },
462 { US"host_lookup", D_host_lookup },
463 { US"ident", D_ident },
464 { US"interface", D_interface },
465 { US"lists", D_lists },
466 { US"load", D_load },
467 { US"local_scan", D_local_scan },
468 { US"lookup", D_lookup },
469 { US"memory", D_memory },
470 { US"pid", D_pid },
471 { US"process_info", D_process_info },
472 { US"queue_run", D_queue_run },
473 { US"receive", D_receive },
474 { US"resolver", D_resolver },
475 { US"retry", D_retry },
476 { US"rewrite", D_rewrite },
477 { US"route", D_route },
478 { US"timestamp", D_timestamp },
479 { US"tls", D_tls },
480 { US"transport", D_transport },
481 { US"uid", D_uid },
482 { US"verify", D_verify }
483 };
484 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
485 unsigned int debug_selector = 0;
486 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
487 uschar *delay_warning_condition=
488 US"${if or {"
489 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
490 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
491 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
492 "} {no}{yes}}";
493 BOOL delivery_date_remove = TRUE;
494 uschar *deliver_address_data = NULL;
495 int deliver_datafile = -1;
496 uschar *deliver_domain = NULL;
497 uschar *deliver_domain_data = NULL;
498 uschar *deliver_domain_orig = NULL;
499 uschar *deliver_domain_parent = NULL;
500 BOOL deliver_drop_privilege = FALSE;
501 BOOL deliver_firsttime = FALSE;
502 BOOL deliver_force = FALSE;
503 BOOL deliver_freeze = FALSE;
504 int deliver_frozen_at = 0;
505 uschar *deliver_home = NULL;
506 uschar *deliver_host = NULL;
507 uschar *deliver_host_address = NULL;
508 uschar *deliver_in_buffer = NULL;
509 ino_t deliver_inode = 0;
510 uschar *deliver_localpart = NULL;
511 uschar *deliver_localpart_data = NULL;
512 uschar *deliver_localpart_orig = NULL;
513 uschar *deliver_localpart_parent = NULL;
514 uschar *deliver_localpart_prefix = NULL;
515 uschar *deliver_localpart_suffix = NULL;
516 BOOL deliver_force_thaw = FALSE;
517 BOOL deliver_manual_thaw = FALSE;
518 uschar *deliver_out_buffer = NULL;
519 int deliver_queue_load_max = -1;
520 address_item *deliver_recipients = NULL;
521 uschar *deliver_selectstring = NULL;
522 BOOL deliver_selectstring_regex = FALSE;
523 uschar *deliver_selectstring_sender = NULL;
524 BOOL deliver_selectstring_sender_regex = FALSE;
525 #ifdef WITH_OLD_DEMIME
526 int demime_errorlevel = 0;
527 int demime_ok = 0;
528 uschar *demime_reason = NULL;
529 #endif
530 BOOL disable_callout_flush = FALSE;
531 BOOL disable_delay_flush = FALSE;
532 #ifdef ENABLE_DISABLE_FSYNC
533 BOOL disable_fsync = FALSE;
534 #endif
535 BOOL disable_ipv6 = FALSE;
536 BOOL disable_logging = FALSE;
537
538 #ifndef DISABLE_DKIM
539 uschar *dkim_cur_signer = NULL;
540 uschar *dkim_signers = NULL;
541 uschar *dkim_signing_domain = NULL;
542 uschar *dkim_signing_selector = NULL;
543 uschar *dkim_verify_signers = US"$dkim_signers";
544 BOOL dkim_collect_input = FALSE;
545 BOOL dkim_disable_verify = FALSE;
546 #endif
547
548 uschar *dns_again_means_nonexist = NULL;
549 int dns_csa_search_limit = 5;
550 BOOL dns_csa_use_reverse = TRUE;
551 uschar *dns_ipv4_lookup = NULL;
552 int dns_retrans = 0;
553 int dns_retry = 0;
554 int dns_use_dnssec = -1; /* <0 = not coerced */
555 int dns_use_edns0 = -1; /* <0 = not coerced */
556 uschar *dnslist_domain = NULL;
557 uschar *dnslist_matched = NULL;
558 uschar *dnslist_text = NULL;
559 uschar *dnslist_value = NULL;
560 tree_node *domainlist_anchor = NULL;
561 int domainlist_count = 0;
562 BOOL dont_deliver = FALSE;
563 BOOL dot_ends = TRUE;
564 BOOL drop_cr = FALSE; /* No longer used */
565 uschar *dsn_from = US DEFAULT_DSN_FROM;
566
567 BOOL enable_dollar_recipients = FALSE;
568 BOOL envelope_to_remove = TRUE;
569 int errno_quota = ERRNO_QUOTA;
570 uschar *errors_copy = NULL;
571 int error_handling = ERRORS_SENDER;
572 uschar *errors_reply_to = NULL;
573 int errors_sender_rc = EXIT_FAILURE;
574
575 gid_t exim_gid = EXIM_GID;
576 BOOL exim_gid_set = TRUE; /* This gid is always set */
577 uschar *exim_path = US BIN_DIRECTORY "/exim"
578 "\0<---------------Space to patch exim_path->";
579 uid_t exim_uid = EXIM_UID;
580 BOOL exim_uid_set = TRUE; /* This uid is always set */
581 int expand_forbid = 0;
582 int expand_nlength[EXPAND_MAXN+1];
583 int expand_nmax = -1;
584 uschar *expand_nstring[EXPAND_MAXN+1];
585 BOOL expand_string_forcedfail = FALSE;
586 uschar *expand_string_message;
587 BOOL extract_addresses_remove_arguments = TRUE;
588 uschar *extra_local_interfaces = NULL;
589
590 int fake_response = OK;
591 uschar *fake_response_text = US"Your message has been rejected but is "
592 "being kept for evaluation.\nIf it was a "
593 "legitimate message, it may still be "
594 "delivered to the target recipient(s).";
595 int filter_n[FILTER_VARIABLE_COUNT];
596 BOOL filter_running = FALSE;
597 int filter_sn[FILTER_VARIABLE_COUNT];
598 int filter_test = FTEST_NONE;
599 uschar *filter_test_sfile = NULL;
600 uschar *filter_test_ufile = NULL;
601 uschar *filter_thisaddress = NULL;
602 int finduser_retries = 0;
603 #ifdef WITH_OLD_DEMIME
604 uschar *found_extension = NULL;
605 #endif
606 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
607 uschar *freeze_tell = NULL;
608 uschar *freeze_tell_config = NULL;
609 uschar *fudged_queue_times = US"";
610
611 uschar *gecos_name = NULL;
612 uschar *gecos_pattern = NULL;
613 rewrite_rule *global_rewrite_rules = NULL;
614
615 uschar *headers_charset = US HEADERS_CHARSET;
616 int header_insert_maxlen = 64 * 1024;
617 header_line *header_last = NULL;
618 header_line *header_list = NULL;
619 int header_maxsize = HEADER_MAXSIZE;
620 int header_line_maxsize = 0;
621
622 header_name header_names[] = {
623 { US"bcc", 3, TRUE, htype_bcc },
624 { US"cc", 2, TRUE, htype_cc },
625 { US"date", 4, TRUE, htype_date },
626 { US"delivery-date", 13, FALSE, htype_delivery_date },
627 { US"envelope-to", 11, FALSE, htype_envelope_to },
628 { US"from", 4, TRUE, htype_from },
629 { US"message-id", 10, TRUE, htype_id },
630 { US"received", 8, FALSE, htype_received },
631 { US"reply-to", 8, FALSE, htype_reply_to },
632 { US"return-path", 11, FALSE, htype_return_path },
633 { US"sender", 6, TRUE, htype_sender },
634 { US"subject", 7, FALSE, htype_subject },
635 { US"to", 2, TRUE, htype_to }
636 };
637
638 int header_names_size = sizeof(header_names)/sizeof(header_name);
639
640 BOOL header_rewritten = FALSE;
641 uschar *helo_accept_junk_hosts = NULL;
642 uschar *helo_allow_chars = US"";
643 uschar *helo_lookup_domains = US"@ : @[]";
644 uschar *helo_try_verify_hosts = NULL;
645 BOOL helo_verified = FALSE;
646 BOOL helo_verify_failed = FALSE;
647 uschar *helo_verify_hosts = NULL;
648 const uschar *hex_digits = CUS"0123456789abcdef";
649 uschar *hold_domains = NULL;
650 BOOL host_checking = FALSE;
651 BOOL host_checking_callout = FALSE;
652 uschar *host_data = NULL;
653 BOOL host_find_failed_syntax= FALSE;
654 uschar *host_lookup = NULL;
655 BOOL host_lookup_deferred = FALSE;
656 BOOL host_lookup_failed = FALSE;
657 uschar *host_lookup_order = US"bydns:byaddr";
658 uschar *host_lookup_msg = US"";
659 int host_number = 0;
660 uschar *host_number_string = NULL;
661 uschar *host_reject_connection = NULL;
662 tree_node *hostlist_anchor = NULL;
663 int hostlist_count = 0;
664 uschar *hosts_treat_as_local = NULL;
665 uschar *hosts_connection_nolog = NULL;
666
667 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
668 BOOL ignore_fromline_local = FALSE;
669 uschar *ignore_fromline_hosts = NULL;
670 BOOL inetd_wait_mode = FALSE;
671 int inetd_wait_timeout = -1;
672 uschar *interface_address = NULL;
673 int interface_port = -1;
674 BOOL is_inetd = FALSE;
675 uschar *iterate_item = NULL;
676
677 int journal_fd = -1;
678
679 int keep_malformed = 4*24*60*60; /* 4 days */
680
681 uschar *eldap_dn = NULL;
682 int load_average = -2;
683 BOOL local_error_message = FALSE;
684 BOOL local_from_check = TRUE;
685 uschar *local_from_prefix = NULL;
686 uschar *local_from_suffix = NULL;
687
688 #if HAVE_IPV6
689 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
690 #else
691 uschar *local_interfaces = US"0.0.0.0";
692 #endif
693
694 uschar *local_scan_data = NULL;
695 int local_scan_timeout = 5*60;
696 BOOL local_sender_retain = FALSE;
697 gid_t local_user_gid = (gid_t)(-1);
698 uid_t local_user_uid = (uid_t)(-1);
699
700 tree_node *localpartlist_anchor= NULL;
701 int localpartlist_count = 0;
702 uschar *log_buffer = NULL;
703 unsigned int log_extra_selector = LX_default;
704 uschar *log_file_path = US LOG_FILE_PATH
705 "\0<--------------Space to patch log_file_path->";
706
707 /* Those log options with L_xxx identifiers have values less than 0x800000 and
708 are the ones that get put into log_write_selector. They can be used in calls to
709 log_write() to test for the bit. The options with LX_xxx identifiers have
710 values greater than 0x80000000 and are put into log_extra_selector (without the
711 top bit). They are never used in calls to log_write(), but are tested
712 independently. This separation became necessary when the number of log
713 selectors was getting close to filling a 32-bit word. */
714
715 /* Note that this list must be in alphabetical order. */
716
717 bit_table log_options[] = {
718 { US"acl_warn_skipped", LX_acl_warn_skipped },
719 { US"address_rewrite", L_address_rewrite },
720 { US"all", L_all },
721 { US"all_parents", L_all_parents },
722 { US"arguments", LX_arguments },
723 { US"connection_reject", L_connection_reject },
724 { US"delay_delivery", L_delay_delivery },
725 { US"deliver_time", LX_deliver_time },
726 { US"delivery_size", LX_delivery_size },
727 { US"dnslist_defer", L_dnslist_defer },
728 { US"etrn", L_etrn },
729 { US"host_lookup_failed", L_host_lookup_failed },
730 { US"ident_timeout", LX_ident_timeout },
731 { US"incoming_interface", LX_incoming_interface },
732 { US"incoming_port", LX_incoming_port },
733 { US"lost_incoming_connection", L_lost_incoming_connection },
734 { US"outgoing_port", LX_outgoing_port },
735 { US"pid", LX_pid },
736 { US"queue_run", L_queue_run },
737 { US"queue_time", LX_queue_time },
738 { US"queue_time_overall", LX_queue_time_overall },
739 { US"received_recipients", LX_received_recipients },
740 { US"received_sender", LX_received_sender },
741 { US"rejected_header", LX_rejected_header },
742 { US"rejected_headers", LX_rejected_header },
743 { US"retry_defer", L_retry_defer },
744 { US"return_path_on_delivery", LX_return_path_on_delivery },
745 { US"sender_on_delivery", LX_sender_on_delivery },
746 { US"sender_verify_fail", LX_sender_verify_fail },
747 { US"size_reject", L_size_reject },
748 { US"skip_delivery", L_skip_delivery },
749 { US"smtp_confirmation", LX_smtp_confirmation },
750 { US"smtp_connection", L_smtp_connection },
751 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
752 { US"smtp_no_mail", LX_smtp_no_mail },
753 { US"smtp_protocol_error", L_smtp_protocol_error },
754 { US"smtp_syntax_error", L_smtp_syntax_error },
755 { US"subject", LX_subject },
756 { US"tls_certificate_verified", LX_tls_certificate_verified },
757 { US"tls_cipher", LX_tls_cipher },
758 { US"tls_peerdn", LX_tls_peerdn },
759 { US"tls_sni", LX_tls_sni },
760 { US"unknown_in_list", LX_unknown_in_list }
761 };
762
763 int log_options_count = sizeof(log_options)/sizeof(bit_table);
764 int log_reject_target = 0;
765 uschar *log_selector_string = NULL;
766 FILE *log_stderr = NULL;
767 BOOL log_testing_mode = FALSE;
768 BOOL log_timezone = FALSE;
769 unsigned int log_write_selector= L_default;
770 uschar *login_sender_address = NULL;
771 int lookup_open_max = 25;
772 uschar *lookup_value = NULL;
773
774 macro_item *macros = NULL;
775 uschar *mailstore_basename = NULL;
776 #ifdef WITH_CONTENT_SCAN
777 uschar *malware_name = NULL; /* Virus Name */
778 #endif
779 int max_received_linelength= 0;
780 int max_username_length = 0;
781 int message_age = 0;
782 uschar *message_body = NULL;
783 uschar *message_body_end = NULL;
784 BOOL message_body_newlines = FALSE;
785 int message_body_size = 0;
786 int message_body_visible = 500;
787 int message_ended = END_NOTSTARTED;
788 uschar *message_headers = NULL;
789 uschar *message_id;
790 uschar *message_id_domain = NULL;
791 uschar *message_id_text = NULL;
792 struct timeval message_id_tv = { 0, 0 };
793 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
794 uschar *message_id_external;
795 int message_linecount = 0;
796 BOOL message_logs = TRUE;
797 int message_size = 0;
798 uschar *message_size_limit = US"50M";
799 uschar message_subdir[2] = { 0, 0 };
800 uschar *message_reference = NULL;
801
802 /* MIME ACL expandables */
803 #ifdef WITH_CONTENT_SCAN
804 int mime_anomaly_level = 0;
805 const uschar *mime_anomaly_text = NULL;
806 uschar *mime_boundary = NULL;
807 uschar *mime_charset = NULL;
808 uschar *mime_content_description = NULL;
809 uschar *mime_content_disposition = NULL;
810 uschar *mime_content_id = NULL;
811 unsigned int mime_content_size = 0;
812 uschar *mime_content_transfer_encoding = NULL;
813 uschar *mime_content_type = NULL;
814 uschar *mime_decoded_filename = NULL;
815 uschar *mime_filename = NULL;
816 int mime_is_multipart = 0;
817 int mime_is_coverletter = 0;
818 int mime_is_rfc822 = 0;
819 int mime_part_count = -1;
820 #endif
821
822 BOOL mua_wrapper = FALSE;
823
824 uid_t *never_users = NULL;
825 #ifdef WITH_CONTENT_SCAN
826 BOOL no_mbox_unspool = FALSE;
827 #endif
828 BOOL no_multiline_responses = FALSE;
829
830 uid_t original_euid;
831 gid_t originator_gid;
832 uschar *originator_login = NULL;
833 uschar *originator_name = NULL;
834 uid_t originator_uid;
835 uschar *override_local_interfaces = NULL;
836 uschar *override_pid_file_path = NULL;
837
838 BOOL parse_allow_group = FALSE;
839 BOOL parse_found_group = FALSE;
840 uschar *percent_hack_domains = NULL;
841 uschar *pid_file_path = US PID_FILE_PATH
842 "\0<--------------Space to patch pid_file_path->";
843 BOOL pipelining_enable = TRUE;
844 uschar *pipelining_advertise_hosts = US"*";
845 BOOL preserve_message_logs = FALSE;
846 uschar *primary_hostname = NULL;
847 BOOL print_topbitchars = FALSE;
848 uschar process_info[PROCESS_INFO_SIZE];
849 int process_info_len = 0;
850 uschar *process_log_path = NULL;
851 BOOL prod_requires_admin = TRUE;
852 uschar *prvscheck_address = NULL;
853 uschar *prvscheck_keynum = NULL;
854 uschar *prvscheck_result = NULL;
855
856
857 uschar *qualify_domain_recipient = NULL;
858 uschar *qualify_domain_sender = NULL;
859 BOOL queue_2stage = FALSE;
860 uschar *queue_domains = NULL;
861 int queue_interval = -1;
862 BOOL queue_list_requires_admin = TRUE;
863 BOOL queue_only = FALSE;
864 uschar *queue_only_file = NULL;
865 int queue_only_load = -1;
866 BOOL queue_only_load_latch = TRUE;
867 BOOL queue_only_override = TRUE;
868 BOOL queue_only_policy = FALSE;
869 BOOL queue_run_first_delivery = FALSE;
870 BOOL queue_run_force = FALSE;
871 BOOL queue_run_in_order = FALSE;
872 BOOL queue_run_local = FALSE;
873 int queue_run_max = 5;
874 pid_t queue_run_pid = (pid_t)0;
875 int queue_run_pipe = -1;
876 BOOL queue_running = FALSE;
877 BOOL queue_smtp = FALSE;
878 uschar *queue_smtp_domains = NULL;
879
880 unsigned int random_seed = 0;
881 tree_node *ratelimiters_cmd = NULL;
882 tree_node *ratelimiters_conn = NULL;
883 tree_node *ratelimiters_mail = NULL;
884 uschar *raw_active_hostname = NULL;
885 uschar *raw_sender = NULL;
886 uschar **raw_recipients = NULL;
887 int raw_recipients_count = 0;
888
889 int rcpt_count = 0;
890 int rcpt_fail_count = 0;
891 int rcpt_defer_count = 0;
892 gid_t real_gid;
893 uid_t real_uid;
894 BOOL really_exim = TRUE;
895 BOOL receive_call_bombout = FALSE;
896 int receive_linecount = 0;
897 int receive_messagecount = 0;
898 int receive_timeout = 0;
899 int received_count = 0;
900 uschar *received_for = NULL;
901
902 /* This is the default text for Received headers generated by Exim. The
903 date will be automatically added on the end. */
904
905 uschar *received_header_text = US
906 "Received: "
907 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
908 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
909 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
910 "by $primary_hostname "
911 "${if def:received_protocol {with $received_protocol}} "
912 #ifdef SUPPORT_TLS
913 "${if def:tls_cipher {($tls_cipher)\n\t}}"
914 #endif
915 "(Exim $version_number)\n\t"
916 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
917 "id $message_exim_id"
918 "${if def:received_for {\n\tfor $received_for}}"
919 "\0<---------------Space to patch received_header_text->";
920
921 int received_headers_max = 30;
922 uschar *received_protocol = NULL;
923 int received_time = 0;
924 uschar *recipient_data = NULL;
925 uschar *recipient_unqualified_hosts = NULL;
926 uschar *recipient_verify_failure = NULL;
927 int recipients_count = 0;
928 BOOL recipients_discarded = FALSE;
929 recipient_item *recipients_list = NULL;
930 int recipients_list_max = 0;
931 int recipients_max = 0;
932 BOOL recipients_max_reject = FALSE;
933 const pcre *regex_AUTH = NULL;
934 const pcre *regex_check_dns_names = NULL;
935 const pcre *regex_From = NULL;
936 const pcre *regex_IGNOREQUOTA = NULL;
937 const pcre *regex_PIPELINING = NULL;
938 const pcre *regex_SIZE = NULL;
939 const pcre *regex_smtp_code = NULL;
940 const pcre *regex_ismsgid = NULL;
941 #ifdef WHITELIST_D_MACROS
942 const pcre *regex_whitelisted_macro = NULL;
943 #endif
944 #ifdef WITH_CONTENT_SCAN
945 uschar *regex_match_string = NULL;
946 #endif
947 int remote_delivery_count = 0;
948 int remote_max_parallel = 2;
949 uschar *remote_sort_domains = NULL;
950 int retry_data_expire = 7*24*60*60;
951 int retry_interval_max = 24*60*60;
952 int retry_maximum_timeout = 0; /* set from retry config */
953 retry_config *retries = NULL;
954 uschar *return_path = NULL;
955 BOOL return_path_remove = TRUE;
956 int rewrite_existflags = 0;
957 uschar *rfc1413_hosts = US"*";
958 int rfc1413_query_timeout = 5;
959 /* BOOL rfc821_domains = FALSE; <<< on the way out */
960 uid_t root_gid = ROOT_GID;
961 uid_t root_uid = ROOT_UID;
962
963 router_instance *routers = NULL;
964 router_instance router_defaults = {
965 NULL, /* chain pointer */
966 NULL, /* name */
967 NULL, /* info */
968 NULL, /* private options block pointer */
969 NULL, /* driver name */
970
971 NULL, /* address_data */
972 #ifdef EXPERIMENTAL_BRIGHTMAIL
973 NULL, /* bmi_rule */
974 #endif
975 NULL, /* cannot_route_message */
976 NULL, /* condition */
977 NULL, /* current_directory */
978 NULL, /* debug_string */
979 NULL, /* domains */
980 NULL, /* errors_to */
981 NULL, /* expand_gid */
982 NULL, /* expand_uid */
983 NULL, /* expand_more */
984 NULL, /* expand_unseen */
985 NULL, /* extra_headers */
986 NULL, /* fallback_hosts */
987 NULL, /* home_directory */
988 NULL, /* ignore_target_hosts */
989 NULL, /* local_parts */
990 NULL, /* pass_router_name */
991 NULL, /* prefix */
992 NULL, /* redirect_router_name */
993 NULL, /* remove_headers */
994 NULL, /* require_files */
995 NULL, /* router_home_directory */
996 US"freeze", /* self */
997 NULL, /* senders */
998 NULL, /* suffix */
999 NULL, /* translate_ip_address */
1000 NULL, /* transport_name */
1001
1002 TRUE, /* address_test */
1003 #ifdef EXPERIMENTAL_BRIGHTMAIL
1004 FALSE, /* bmi_deliver_alternate */
1005 FALSE, /* bmi_deliver_default */
1006 FALSE, /* bmi_dont_deliver */
1007 #endif
1008 TRUE, /* expn */
1009 FALSE, /* caseful_local_part */
1010 FALSE, /* check_local_user */
1011 FALSE, /* disable_logging */
1012 FALSE, /* fail_verify_recipient */
1013 FALSE, /* fail_verify_sender */
1014 FALSE, /* gid_set */
1015 FALSE, /* initgroups */
1016 TRUE_UNSET, /* log_as_local */
1017 TRUE, /* more */
1018 FALSE, /* pass_on_timeout */
1019 FALSE, /* prefix_optional */
1020 TRUE, /* repeat_use */
1021 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
1022 FALSE, /* same_domain_copy_routing */
1023 FALSE, /* self_rewrite */
1024 FALSE, /* suffix_optional */
1025 FALSE, /* verify_only */
1026 TRUE, /* verify_recipient */
1027 TRUE, /* verify_sender */
1028 FALSE, /* uid_set */
1029 FALSE, /* unseen */
1030
1031 self_freeze, /* self_code */
1032 (uid_t)(-1), /* uid */
1033 (gid_t)(-1), /* gid */
1034
1035 NULL, /* fallback_hostlist */
1036 NULL, /* transport instance */
1037 NULL, /* pass_router */
1038 NULL /* redirect_router */
1039 };
1040
1041 ip_address_item *running_interfaces = NULL;
1042 BOOL running_in_test_harness = FALSE;
1043
1044 /* This is a weird one. The following string gets patched in the binary by the
1045 script that sets up a copy of Exim for running in the test harness. It seems
1046 that compilers are now clever, and share constant strings if they can.
1047 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1048 make use of the end of this string in order to save space. So the patching then
1049 wrecks this. We defeat this optimization by adding some additional characters
1050 onto the end of the string. */
1051
1052 uschar *running_status = US">>>running<<<" "\0EXTRA";
1053
1054 int runrc = 0;
1055
1056 uschar *search_error_message = NULL;
1057 BOOL search_find_defer = FALSE;
1058 uschar *self_hostname = NULL;
1059 uschar *sender_address = NULL;
1060 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1061 uschar *sender_address_data = NULL;
1062 BOOL sender_address_forced = FALSE;
1063 uschar *sender_address_unrewritten = NULL;
1064 uschar *sender_data = NULL;
1065 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1066 uschar *sender_fullhost = NULL;
1067 uschar *sender_helo_name = NULL;
1068 uschar **sender_host_aliases = &no_aliases;
1069 uschar *sender_host_address = NULL;
1070 uschar *sender_host_authenticated = NULL;
1071 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1072 BOOL sender_host_dnssec = FALSE;
1073 uschar *sender_host_name = NULL;
1074 int sender_host_port = 0;
1075 BOOL sender_host_notsocket = FALSE;
1076 BOOL sender_host_unknown = FALSE;
1077 uschar *sender_ident = NULL;
1078 BOOL sender_local = FALSE;
1079 BOOL sender_name_forced = FALSE;
1080 uschar *sender_rate = NULL;
1081 uschar *sender_rate_limit = NULL;
1082 uschar *sender_rate_period = NULL;
1083 uschar *sender_rcvhost = NULL;
1084 BOOL sender_set_untrusted = FALSE;
1085 uschar *sender_unqualified_hosts = NULL;
1086 uschar *sender_verify_failure = NULL;
1087 address_item *sender_verified_list = NULL;
1088 address_item *sender_verified_failed = NULL;
1089 int sender_verified_rc = -1;
1090 BOOL sender_verified_responded = FALSE;
1091 uschar *sending_ip_address = NULL;
1092 int sending_port = -1;
1093 SIGNAL_BOOL sigalrm_seen = FALSE;
1094 uschar **sighup_argv = NULL;
1095 int smtp_accept_count = 0;
1096 BOOL smtp_accept_keepalive = TRUE;
1097 int smtp_accept_max = 20;
1098 int smtp_accept_max_nonmail= 10;
1099 uschar *smtp_accept_max_nonmail_hosts = US"*";
1100 int smtp_accept_max_per_connection = 1000;
1101 uschar *smtp_accept_max_per_host = NULL;
1102 int smtp_accept_queue = 0;
1103 int smtp_accept_queue_per_connection = 10;
1104 int smtp_accept_reserve = 0;
1105 uschar *smtp_active_hostname = NULL;
1106 BOOL smtp_authenticated = FALSE;
1107 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1108 "Exim $version_number $tod_full"
1109 "\0<---------------Space to patch smtp_banner->";
1110 BOOL smtp_batched_input = FALSE;
1111 BOOL smtp_check_spool_space = TRUE;
1112 int smtp_ch_index = 0;
1113 uschar *smtp_cmd_argument = NULL;
1114 uschar *smtp_cmd_buffer = NULL;
1115 time_t smtp_connection_start = 0;
1116 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1117 int smtp_connect_backlog = 20;
1118 double smtp_delay_mail = 0.0;
1119 double smtp_delay_rcpt = 0.0;
1120 BOOL smtp_enforce_sync = TRUE;
1121 FILE *smtp_in = NULL;
1122 BOOL smtp_input = FALSE;
1123 int smtp_load_reserve = -1;
1124 int smtp_mailcmd_count = 0;
1125 FILE *smtp_out = NULL;
1126 uschar *smtp_etrn_command = NULL;
1127 BOOL smtp_etrn_serialize = TRUE;
1128 int smtp_max_synprot_errors= 3;
1129 int smtp_max_unknown_commands = 3;
1130 uschar *smtp_notquit_reason = NULL;
1131 uschar *smtp_ratelimit_hosts = NULL;
1132 uschar *smtp_ratelimit_mail = NULL;
1133 uschar *smtp_ratelimit_rcpt = NULL;
1134 uschar *smtp_read_error = US"";
1135 int smtp_receive_timeout = 5*60;
1136 uschar *smtp_reserve_hosts = NULL;
1137 BOOL smtp_return_error_details = FALSE;
1138 int smtp_rlm_base = 0;
1139 double smtp_rlm_factor = 0.0;
1140 int smtp_rlm_limit = 0;
1141 int smtp_rlm_threshold = INT_MAX;
1142 int smtp_rlr_base = 0;
1143 double smtp_rlr_factor = 0.0;
1144 int smtp_rlr_limit = 0;
1145 int smtp_rlr_threshold = INT_MAX;
1146 BOOL smtp_use_pipelining = FALSE;
1147 BOOL smtp_use_size = FALSE;
1148
1149 #ifdef WITH_CONTENT_SCAN
1150 uschar *spamd_address = US"127.0.0.1 783";
1151 uschar *spam_bar = NULL;
1152 uschar *spam_report = NULL;
1153 uschar *spam_score = NULL;
1154 uschar *spam_score_int = NULL;
1155 #endif
1156 #ifdef EXPERIMENTAL_SPF
1157 uschar *spf_guess = US"v=spf1 a/24 mx/24 ptr ?all";
1158 uschar *spf_header_comment = NULL;
1159 uschar *spf_received = NULL;
1160 uschar *spf_result = NULL;
1161 uschar *spf_smtp_comment = NULL;
1162 #endif
1163
1164 BOOL split_spool_directory = FALSE;
1165 uschar *spool_directory = US SPOOL_DIRECTORY
1166 "\0<--------------Space to patch spool_directory->";
1167 #ifdef EXPERIMENTAL_SRS
1168 uschar *srs_config = NULL;
1169 uschar *srs_db_address = NULL;
1170 uschar *srs_db_key = NULL;
1171 int srs_hashlength = 6;
1172 int srs_hashmin = -1;
1173 int srs_maxage = 31;
1174 uschar *srs_orig_recipient = NULL;
1175 uschar *srs_orig_sender = NULL;
1176 uschar *srs_recipient = NULL;
1177 uschar *srs_secrets = NULL;
1178 uschar *srs_status = NULL;
1179 BOOL srs_usehash = TRUE;
1180 BOOL srs_usetimestamp = TRUE;
1181 #endif
1182 BOOL strict_acl_vars = FALSE;
1183 int string_datestamp_offset= -1;
1184 int string_datestamp_length= 0;
1185 int string_datestamp_type = -1;
1186 BOOL strip_excess_angle_brackets = FALSE;
1187 BOOL strip_trailing_dot = FALSE;
1188 uschar *submission_domain = NULL;
1189 BOOL submission_mode = FALSE;
1190 uschar *submission_name = NULL;
1191 BOOL suppress_local_fixups = FALSE;
1192 BOOL suppress_local_fixups_default = FALSE;
1193 BOOL synchronous_delivery = FALSE;
1194 BOOL syslog_duplication = TRUE;
1195 int syslog_facility = LOG_MAIL;
1196 uschar *syslog_processname = US"exim";
1197 BOOL syslog_timestamp = TRUE;
1198 uschar *system_filter = NULL;
1199
1200 uschar *system_filter_directory_transport = NULL;
1201 uschar *system_filter_file_transport = NULL;
1202 uschar *system_filter_pipe_transport = NULL;
1203 uschar *system_filter_reply_transport = NULL;
1204
1205 gid_t system_filter_gid = 0;
1206 BOOL system_filter_gid_set = FALSE;
1207 uid_t system_filter_uid = (uid_t)-1;
1208 BOOL system_filter_uid_set = FALSE;
1209 BOOL system_filtering = FALSE;
1210
1211 BOOL tcp_nodelay = TRUE;
1212 #ifdef USE_TCP_WRAPPERS
1213 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1214 #endif
1215 int test_harness_load_avg = 0;
1216 int thismessage_size_limit = 0;
1217 int timeout_frozen_after = 0;
1218 BOOL timestamps_utc = FALSE;
1219
1220 transport_instance *transports = NULL;
1221
1222 transport_instance transport_defaults = {
1223 NULL, /* chain pointer */
1224 NULL, /* name */
1225 NULL, /* info */
1226 NULL, /* private options block pointer */
1227 NULL, /* driver name */
1228 NULL, /* setup entry point */
1229 1, /* batch_max */
1230 NULL, /* batch_id */
1231 NULL, /* home_dir */
1232 NULL, /* current_dir */
1233 TRUE, /* multi-domain */
1234 FALSE, /* overrides_hosts */
1235 100, /* max_addresses */
1236 500, /* connection_max_messages */
1237 FALSE, /* deliver_as_creator */
1238 FALSE, /* disable_logging */
1239 FALSE, /* initgroups */
1240 FALSE, /* uid_set */
1241 FALSE, /* gid_set */
1242 (uid_t)(-1), /* uid */
1243 (gid_t)(-1), /* gid */
1244 NULL, /* expand_uid */
1245 NULL, /* expand_gid */
1246 NULL, /* warn_message */
1247 NULL, /* shadow */
1248 NULL, /* shadow_condition */
1249 NULL, /* filter_command */
1250 NULL, /* add_headers */
1251 NULL, /* remove_headers */
1252 NULL, /* return_path */
1253 NULL, /* debug_string */
1254 NULL, /* message_size_limit */
1255 NULL, /* headers_rewrite */
1256 NULL, /* rewrite_rules */
1257 0, /* rewrite_existflags */
1258 300, /* filter_timeout */
1259 FALSE, /* body_only */
1260 FALSE, /* delivery_date_add */
1261 FALSE, /* envelope_to_add */
1262 FALSE, /* headers_only */
1263 FALSE, /* rcpt_include_affixes */
1264 FALSE, /* return_path_add */
1265 FALSE, /* return_output */
1266 FALSE, /* return_fail_output */
1267 FALSE, /* log_output */
1268 FALSE, /* log_fail_output */
1269 FALSE, /* log_defer_output */
1270 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1271 1 nor 0 so can detect unset */
1272 };
1273
1274 int transport_count;
1275 int transport_newlines;
1276 uschar **transport_filter_argv = NULL;
1277 int transport_filter_timeout;
1278 BOOL transport_filter_timed_out = FALSE;
1279 int transport_write_timeout= 0;
1280
1281 tree_node *tree_dns_fails = NULL;
1282 tree_node *tree_duplicates = NULL;
1283 tree_node *tree_nonrecipients = NULL;
1284 tree_node *tree_unusable = NULL;
1285
1286 BOOL trusted_caller = FALSE;
1287 BOOL trusted_config = TRUE;
1288 gid_t *trusted_groups = NULL;
1289 uid_t *trusted_users = NULL;
1290 uschar *timezone_string = US TIMEZONE_DEFAULT;
1291
1292 uschar *unknown_login = NULL;
1293 uschar *unknown_username = NULL;
1294 uschar *untrusted_set_sender = NULL;
1295
1296 /* A regex for matching a "From_" line in an incoming message, in the form
1297
1298 From ph10 Fri Jan 5 12:35 GMT 1996
1299
1300 which the "mail" commands send to the MTA (undocumented, of course), or in
1301 the form
1302
1303 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1304
1305 which is apparently used by some UUCPs, despite it not being in RFC 976.
1306 Because of variations in time formats, just match up to the minutes. That
1307 should be sufficient. Examples have been seen of time fields like 12:1:03,
1308 so just require one digit for hours and minutes. The weekday is also absent
1309 in some forms. */
1310
1311 uschar *uucp_from_pattern = US
1312 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1313 "(?:" /* Non-extracting bracket */
1314 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1315 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1316 ")" /* End alternation */
1317 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1318
1319 uschar *uucp_from_sender = US"$1";
1320
1321 uschar *warn_message_file = NULL;
1322 uschar *warnmsg_delay = NULL;
1323 uschar *warnmsg_recipients = NULL;
1324 BOOL write_rejectlog = TRUE;
1325
1326 uschar *version_copyright =
1327 US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1328 "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1329 uschar *version_date = US"?";
1330 uschar *version_cnumber = US"????";
1331 uschar *version_string = US"?";
1332
1333 int warning_count = 0;
1334
1335 /* End of globals.c */
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