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Added dsn_from to vary the contents of From: in DSNs
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.70 2007/02/06 11:11:40 ph10 Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2007 */
8 /* See the file NOTICE for conditions of use and distribution. */
9
10 /* All the global variables are defined together in this one module, so
11 that they are easy to find. */
12
13 #include "exim.h"
14
15
16 /* The OSF1 linker puts out a worrying warning if any sections contain no
17 executable code. It says
18
19 Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
21 problems.
22
23 As this may cause people to worry needlessly, include a dummy function here
24 to stop the message from appearing. Make it reference itself to stop picky
25 compilers complaining that it is unused, and put in a dummy argument to stop
26 even pickier compilers complaining about infinite loops. */
27
28 static void dummy(int x) { dummy(x-1); }
29
30
31 /* Generic options for auths, all of which live inside auth_instance
32 data blocks and hence have the opt_public flag set. */
33
34 optionlist optionlist_auths[] = {
35 { "driver", opt_stringptr | opt_public,
36 (void *)(offsetof(auth_instance, driver_name)) },
37 { "public_name", opt_stringptr | opt_public,
38 (void *)(offsetof(auth_instance, public_name)) },
39 { "server_advertise_condition", opt_stringptr | opt_public,
40 (void *)(offsetof(auth_instance, advertise_condition))},
41 { "server_condition", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, server_condition)) },
43 { "server_debug_print", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, server_debug_string)) },
45 { "server_mail_auth_condition", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, mail_auth_condition)) },
47 { "server_set_id", opt_stringptr | opt_public,
48 (void *)(offsetof(auth_instance, set_id)) }
49 };
50
51 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
52
53 /* An empty host aliases list. */
54
55 uschar *no_aliases = NULL;
56
57
58 /* For comments on these variables, see globals.h. I'm too idle to
59 duplicate them here... */
60
61 #ifdef EXIM_PERL
62 uschar *opt_perl_startup = NULL;
63 BOOL opt_perl_at_start = FALSE;
64 BOOL opt_perl_started = FALSE;
65 #endif
66
67 #ifdef EXPAND_DLFUNC
68 tree_node *dlobj_anchor = NULL;
69 #endif
70
71 #ifdef LOOKUP_IBASE
72 uschar *ibase_servers = NULL;
73 #endif
74
75 #ifdef LOOKUP_LDAP
76 uschar *eldap_default_servers = NULL;
77 int eldap_version = -1;
78 #endif
79
80 #ifdef LOOKUP_MYSQL
81 uschar *mysql_servers = NULL;
82 #endif
83
84 #ifdef LOOKUP_ORACLE
85 uschar *oracle_servers = NULL;
86 #endif
87
88 #ifdef LOOKUP_PGSQL
89 uschar *pgsql_servers = NULL;
90 #endif
91
92 #ifdef LOOKUP_SQLITE
93 int sqlite_lock_timeout = 5;
94 #endif
95
96 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
97 BOOL move_frozen_messages = FALSE;
98 #endif
99
100 /* These variables are outside the #ifdef because it keeps the code less
101 cluttered in several places (e.g. during logging) if we can always refer to
102 them. Also, the tls_ variables are now always visible. */
103
104 BOOL tls_active = -1;
105 BOOL tls_certificate_verified = FALSE;
106 uschar *tls_cipher = NULL;
107 BOOL tls_on_connect = FALSE;
108 uschar *tls_on_connect_ports = NULL;
109 uschar *tls_peerdn = NULL;
110
111 #ifdef SUPPORT_TLS
112 uschar *gnutls_require_mac = NULL;
113 uschar *gnutls_require_kx = NULL;
114 uschar *gnutls_require_proto = NULL;
115 const pcre *regex_STARTTLS = NULL;
116 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
117 uschar *tls_certificate = NULL;
118 uschar *tls_crl = NULL;
119 uschar *tls_dhparam = NULL;
120 BOOL tls_offered = FALSE;
121 uschar *tls_privatekey = NULL;
122 BOOL tls_remember_esmtp = FALSE;
123 uschar *tls_require_ciphers = NULL;
124 uschar *tls_try_verify_hosts = NULL;
125 uschar *tls_verify_certificates= NULL;
126 uschar *tls_verify_hosts = NULL;
127 #endif
128
129
130 /* Input-reading functions for messages, so we can use special ones for
131 incoming TCP/IP. The defaults use stdin. We never need these for any
132 stand-alone tests. */
133
134 #ifndef STAND_ALONE
135 int (*receive_getc)(void) = stdin_getc;
136 int (*receive_ungetc)(int) = stdin_ungetc;
137 int (*receive_feof)(void) = stdin_feof;
138 int (*receive_ferror)(void) = stdin_ferror;
139 #endif
140
141
142 /* List of per-address expansion variables for clearing and saving/restoring
143 when verifying one address while routing/verifying another. We have to have
144 the size explicit, because it is referenced from more than one module. */
145
146 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
147 &deliver_address_data,
148 &deliver_domain,
149 &deliver_domain_data,
150 &deliver_domain_orig,
151 &deliver_domain_parent,
152 &deliver_localpart,
153 &deliver_localpart_data,
154 &deliver_localpart_orig,
155 &deliver_localpart_parent,
156 &deliver_localpart_prefix,
157 &deliver_localpart_suffix,
158 (uschar **)(&deliver_recipients),
159 &deliver_host,
160 &deliver_home,
161 &address_file,
162 &address_pipe,
163 &self_hostname,
164 NULL };
165
166 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
167
168 /* General global variables */
169
170 header_line *acl_added_headers = NULL;
171 tree_node *acl_anchor = NULL;
172 uschar *acl_not_smtp = NULL;
173 #ifdef WITH_CONTENT_SCAN
174 uschar *acl_not_smtp_mime = NULL;
175 #endif
176 uschar *acl_not_smtp_start = NULL;
177 uschar *acl_smtp_auth = NULL;
178 uschar *acl_smtp_connect = NULL;
179 uschar *acl_smtp_data = NULL;
180 uschar *acl_smtp_etrn = NULL;
181 uschar *acl_smtp_expn = NULL;
182 uschar *acl_smtp_helo = NULL;
183 uschar *acl_smtp_mail = NULL;
184 uschar *acl_smtp_mailauth = NULL;
185 #ifdef WITH_CONTENT_SCAN
186 uschar *acl_smtp_mime = NULL;
187 #endif
188 uschar *acl_smtp_predata = NULL;
189 uschar *acl_smtp_quit = NULL;
190 uschar *acl_smtp_rcpt = NULL;
191 uschar *acl_smtp_starttls = NULL;
192 uschar *acl_smtp_vrfy = NULL;
193 BOOL acl_temp_details = FALSE;
194 tree_node *acl_var_c = NULL;
195 tree_node *acl_var_m = NULL;
196 uschar *acl_verify_message = NULL;
197 string_item *acl_warn_logged = NULL;
198
199 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
200 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
201
202 uschar *acl_wherenames[] = { US"RCPT",
203 US"MAIL",
204 US"PREDATA",
205 US"MIME",
206 US"DATA",
207 US"non-SMTP",
208 US"AUTH",
209 US"connection",
210 US"ETRN",
211 US"EXPN",
212 US"EHLO or HELO",
213 US"MAILAUTH",
214 US"non-SMTP-start",
215 US"QUIT",
216 US"STARTTLS",
217 US"VRFY"
218 };
219
220 uschar *acl_wherecodes[] = { US"550", /* RCPT */
221 US"550", /* MAIL */
222 US"550", /* PREDATA */
223 US"550", /* MIME */
224 US"550", /* DATA */
225 US"0", /* not SMTP; not relevant */
226 US"503", /* AUTH */
227 US"550", /* connect */
228 US"458", /* ETRN */
229 US"550", /* EXPN */
230 US"550", /* HELO/EHLO */
231 US"0", /* MAILAUTH; not relevant */
232 US"0", /* not SMTP; not relevant */
233 US"0", /* QUIT; not relevant */
234 US"550", /* STARTTLS */
235 US"252" /* VRFY */
236 };
237
238 BOOL active_local_from_check = FALSE;
239 BOOL active_local_sender_retain = FALSE;
240 BOOL accept_8bitmime = FALSE;
241 address_item *addr_duplicate = NULL;
242
243 address_item address_defaults = {
244 NULL, /* next */
245 NULL, /* parent */
246 NULL, /* first */
247 NULL, /* dupof */
248 NULL, /* start_router */
249 NULL, /* router */
250 NULL, /* transport */
251 NULL, /* host_list */
252 NULL, /* host_used */
253 NULL, /* fallback_hosts */
254 NULL, /* reply */
255 NULL, /* retries */
256 NULL, /* address */
257 NULL, /* unique */
258 NULL, /* cc_local_part */
259 NULL, /* lc_local_part */
260 NULL, /* local_part */
261 NULL, /* prefix */
262 NULL, /* suffix */
263 NULL, /* domain */
264 NULL, /* address_retry_key */
265 NULL, /* domain_retry_key */
266 NULL, /* current_dir */
267 NULL, /* home_dir */
268 NULL, /* message */
269 NULL, /* user_message */
270 NULL, /* onetime_parent */
271 NULL, /* pipe_expandn */
272 NULL, /* return_filename */
273 NULL, /* self_hostname */
274 NULL, /* shadow_message */
275 #ifdef SUPPORT_TLS
276 NULL, /* cipher */
277 NULL, /* peerdn */
278 #endif
279 (uid_t)(-1), /* uid */
280 (gid_t)(-1), /* gid */
281 0, /* flags */
282 { 0 }, /* domain_cache - any larger array should be zeroed */
283 { 0 }, /* localpart_cache - ditto */
284 -1, /* mode */
285 0, /* more_errno */
286 ERRNO_UNKNOWNERROR, /* basic_errno */
287 0, /* child_count */
288 -1, /* return_file */
289 SPECIAL_NONE, /* special_action */
290 DEFER, /* transport_return */
291 { /* fields that are propagated to children */
292 NULL, /* address_data */
293 NULL, /* domain_data */
294 NULL, /* localpart_data */
295 NULL, /* errors_address */
296 NULL, /* extra_headers */
297 NULL, /* remove_headers */
298 #ifdef EXPERIMENTAL_SRS
299 NULL, /* srs_sender */
300 #endif
301 }
302 };
303
304 uschar *address_file = NULL;
305 uschar *address_pipe = NULL;
306 BOOL address_test_mode = FALSE;
307 tree_node *addresslist_anchor = NULL;
308 int addresslist_count = 0;
309 gid_t *admin_groups = NULL;
310 BOOL admin_user = FALSE;
311 BOOL allow_auth_unadvertised= FALSE;
312 BOOL allow_domain_literals = FALSE;
313 BOOL allow_mx_to_ip = FALSE;
314 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
315 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
316 BOOL allow_utf8_domains = FALSE;
317 uschar *authenticated_id = NULL;
318 uschar *authenticated_sender = NULL;
319 BOOL authentication_failed = FALSE;
320 auth_instance *auths = NULL;
321 uschar *auth_advertise_hosts = US"*";
322 auth_instance auth_defaults = {
323 NULL, /* chain pointer */
324 NULL, /* name */
325 NULL, /* info */
326 NULL, /* private options block pointer */
327 NULL, /* driver_name */
328 NULL, /* advertise_condition */
329 NULL, /* public_name */
330 NULL, /* set_id */
331 NULL, /* server_mail_auth_condition */
332 NULL, /* server_debug_string */
333 NULL, /* server_condition */
334 FALSE, /* client */
335 FALSE, /* server */
336 FALSE /* advertised */
337 };
338
339 uschar *auth_defer_msg = US"reason not recorded";
340 uschar *auth_defer_user_msg = US"";
341 uschar *auth_vars[AUTH_VARS];
342 int auto_thaw = 0;
343 #ifdef WITH_CONTENT_SCAN
344 uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
345 #endif
346
347 BOOL background_daemon = TRUE;
348
349 #if BASE_62 == 62
350 uschar *base62_chars=
351 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
352 #else
353 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
354 #endif
355
356 uschar *bi_command = NULL;
357 uschar *big_buffer = NULL;
358 int big_buffer_size = BIG_BUFFER_SIZE;
359 #ifdef EXPERIMENTAL_BRIGHTMAIL
360 uschar *bmi_alt_location = NULL;
361 uschar *bmi_base64_tracker_verdict = NULL;
362 uschar *bmi_base64_verdict = NULL;
363 uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
364 int bmi_deliver = 1;
365 int bmi_run = 0;
366 uschar *bmi_verdicts = NULL;
367 #endif
368 int body_linecount = 0;
369 int body_zerocount = 0;
370 uschar *bounce_message_file = NULL;
371 uschar *bounce_message_text = NULL;
372 uschar *bounce_recipient = NULL;
373 BOOL bounce_return_body = TRUE;
374 BOOL bounce_return_message = TRUE;
375 int bounce_return_size_limit = 100*1024;
376 uschar *bounce_sender_authentication = NULL;
377 int bsmtp_transaction_linecount = 0;
378
379 int callout_cache_domain_positive_expire = 7*24*60*60;
380 int callout_cache_domain_negative_expire = 3*60*60;
381 int callout_cache_positive_expire = 24*60*60;
382 int callout_cache_negative_expire = 2*60*60;
383 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
384 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
385 int check_log_inodes = 0;
386 int check_log_space = 0;
387 BOOL check_rfc2047_length = TRUE;
388 int check_spool_inodes = 0;
389 int check_spool_space = 0;
390 int clmacro_count = 0;
391 uschar *clmacros[MAX_CLMACROS];
392 BOOL config_changed = FALSE;
393 FILE *config_file = NULL;
394 uschar *config_filename = NULL;
395 int config_lineno = 0;
396 #ifdef CONFIGURE_GROUP
397 gid_t config_gid = CONFIGURE_GROUP;
398 #endif
399 uschar *config_main_filelist = US CONFIGURE_FILE
400 "\0<-----------Space to patch configure_filename->";
401 uschar *config_main_filename = NULL;
402
403 #ifdef CONFIGURE_OWNER
404 uid_t config_uid = CONFIGURE_OWNER;
405 #endif
406
407 int connection_max_messages= -1;
408 uschar *continue_hostname = NULL;
409 uschar *continue_host_address = NULL;
410 BOOL continue_more = FALSE;
411 int continue_sequence = 1;
412 uschar *continue_transport = NULL;
413
414 uschar *csa_status = NULL;
415
416 BOOL daemon_listen = FALSE;
417 uschar *daemon_smtp_port = US"smtp";
418 int daemon_startup_retries = 9;
419 int daemon_startup_sleep = 30;
420 BOOL debug_daemon = FALSE;
421 int debug_fd = -1;
422 FILE *debug_file = NULL;
423 bit_table debug_options[] = {
424 { US"acl", D_acl },
425 { US"all", D_all },
426 { US"auth", D_auth },
427 { US"deliver", D_deliver },
428 { US"dns", D_dns },
429 { US"dnsbl", D_dnsbl },
430 { US"exec", D_exec },
431 { US"expand", D_expand },
432 { US"filter", D_filter },
433 { US"hints_lookup", D_hints_lookup },
434 { US"host_lookup", D_host_lookup },
435 { US"ident", D_ident },
436 { US"interface", D_interface },
437 { US"lists", D_lists },
438 { US"load", D_load },
439 { US"local_scan", D_local_scan },
440 { US"lookup", D_lookup },
441 { US"memory", D_memory },
442 { US"pid", D_pid },
443 { US"process_info", D_process_info },
444 { US"queue_run", D_queue_run },
445 { US"receive", D_receive },
446 { US"resolver", D_resolver },
447 { US"retry", D_retry },
448 { US"rewrite", D_rewrite },
449 { US"route", D_route },
450 { US"timestamp", D_timestamp },
451 { US"tls", D_tls },
452 { US"transport", D_transport },
453 { US"uid", D_uid },
454 { US"verify", D_verify }
455 };
456 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
457 unsigned int debug_selector = 0;
458 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
459 uschar *delay_warning_condition=
460 US"${if or {"
461 "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
462 "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
463 "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
464 "} {no}{yes}}";
465 BOOL delivery_date_remove = TRUE;
466 uschar *deliver_address_data = NULL;
467 int deliver_datafile = -1;
468 uschar *deliver_domain = NULL;
469 uschar *deliver_domain_data = NULL;
470 uschar *deliver_domain_orig = NULL;
471 uschar *deliver_domain_parent = NULL;
472 BOOL deliver_drop_privilege = FALSE;
473 BOOL deliver_firsttime = FALSE;
474 BOOL deliver_force = FALSE;
475 BOOL deliver_freeze = FALSE;
476 int deliver_frozen_at = 0;
477 uschar *deliver_home = NULL;
478 uschar *deliver_host = NULL;
479 uschar *deliver_host_address = NULL;
480 uschar *deliver_in_buffer = NULL;
481 ino_t deliver_inode = 0;
482 uschar *deliver_localpart = NULL;
483 uschar *deliver_localpart_data = NULL;
484 uschar *deliver_localpart_orig = NULL;
485 uschar *deliver_localpart_parent = NULL;
486 uschar *deliver_localpart_prefix = NULL;
487 uschar *deliver_localpart_suffix = NULL;
488 BOOL deliver_force_thaw = FALSE;
489 BOOL deliver_manual_thaw = FALSE;
490 uschar *deliver_out_buffer = NULL;
491 int deliver_queue_load_max = -1;
492 address_item *deliver_recipients = NULL;
493 uschar *deliver_selectstring = NULL;
494 BOOL deliver_selectstring_regex = FALSE;
495 uschar *deliver_selectstring_sender = NULL;
496 BOOL deliver_selectstring_sender_regex = FALSE;
497 #ifdef WITH_OLD_DEMIME
498 int demime_errorlevel = 0;
499 int demime_ok = 0;
500 uschar *demime_reason = NULL;
501 #endif
502 BOOL disable_delay_flush = FALSE;
503 #ifdef ENABLE_DISABLE_FSYNC
504 BOOL disable_fsync = FALSE;
505 #endif
506 BOOL disable_ipv6 = FALSE;
507 BOOL disable_logging = FALSE;
508
509 #ifdef EXPERIMENTAL_DOMAINKEYS
510 uschar *dk_signing_domain = NULL;
511 uschar *dk_signing_selector = NULL;
512 int dk_do_verify = 0;
513 #endif
514
515 uschar *dns_again_means_nonexist = NULL;
516 int dns_csa_search_limit = 5;
517 BOOL dns_csa_use_reverse = TRUE;
518 uschar *dns_ipv4_lookup = NULL;
519 int dns_retrans = 0;
520 int dns_retry = 0;
521 uschar *dnslist_domain = NULL;
522 uschar *dnslist_text = NULL;
523 uschar *dnslist_value = NULL;
524 tree_node *domainlist_anchor = NULL;
525 int domainlist_count = 0;
526 BOOL dont_deliver = FALSE;
527 BOOL dot_ends = TRUE;
528 BOOL drop_cr = FALSE; /* No longer used */
529 uschar *dsn_from = US DEFAULT_DSN_FROM;
530
531 BOOL enable_dollar_recipients = FALSE;
532 BOOL envelope_to_remove = TRUE;
533 int errno_quota = ERRNO_QUOTA;
534 uschar *errors_copy = NULL;
535 int error_handling = ERRORS_SENDER;
536 uschar *errors_reply_to = NULL;
537 int errors_sender_rc = EXIT_FAILURE;
538
539 gid_t exim_gid = EXIM_GID;
540 BOOL exim_gid_set = TRUE; /* This gid is always set */
541 uschar *exim_path = US BIN_DIRECTORY "/exim"
542 "\0<---------------Space to patch exim_path->";
543 uid_t exim_uid = EXIM_UID;
544 BOOL exim_uid_set = TRUE; /* This uid is always set */
545 int expand_forbid = 0;
546 int expand_nlength[EXPAND_MAXN+1];
547 int expand_nmax = -1;
548 uschar *expand_nstring[EXPAND_MAXN+1];
549 BOOL expand_string_forcedfail = FALSE;
550 uschar *expand_string_message;
551 BOOL extract_addresses_remove_arguments = TRUE;
552 uschar *extra_local_interfaces = NULL;
553
554 int fake_response = OK;
555 uschar *fake_response_text = US"Your message has been rejected but is "
556 "being kept for evaluation.\nIf it was a "
557 "legitimate message, it may still be "
558 "delivered to the target recipient(s).";
559 int filter_n[FILTER_VARIABLE_COUNT];
560 BOOL filter_running = FALSE;
561 int filter_sn[FILTER_VARIABLE_COUNT];
562 int filter_test = FTEST_NONE;
563 uschar *filter_test_sfile = NULL;
564 uschar *filter_test_ufile = NULL;
565 uschar *filter_thisaddress = NULL;
566 int finduser_retries = 0;
567 #ifdef WITH_OLD_DEMIME
568 uschar *found_extension = NULL;
569 #endif
570 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
571 uschar *freeze_tell = NULL;
572 uschar *freeze_tell_config = NULL;
573 uschar *fudged_queue_times = US"";
574
575 uschar *gecos_name = NULL;
576 uschar *gecos_pattern = NULL;
577 rewrite_rule *global_rewrite_rules = NULL;
578
579 uschar *headers_charset = US HEADERS_CHARSET;
580 int header_insert_maxlen = 64 * 1024;
581 header_line *header_last = NULL;
582 header_line *header_list = NULL;
583 int header_maxsize = HEADER_MAXSIZE;
584 int header_line_maxsize = 0;
585
586 header_name header_names[] = {
587 { US"bcc", 3, TRUE, htype_bcc },
588 { US"cc", 2, TRUE, htype_cc },
589 { US"date", 4, TRUE, htype_date },
590 { US"delivery-date", 13, FALSE, htype_delivery_date },
591 { US"envelope-to", 11, FALSE, htype_envelope_to },
592 { US"from", 4, TRUE, htype_from },
593 { US"message-id", 10, TRUE, htype_id },
594 { US"received", 8, FALSE, htype_received },
595 { US"reply-to", 8, FALSE, htype_reply_to },
596 { US"return-path", 11, FALSE, htype_return_path },
597 { US"sender", 6, TRUE, htype_sender },
598 { US"subject", 7, FALSE, htype_subject },
599 { US"to", 2, TRUE, htype_to }
600 };
601
602 int header_names_size = sizeof(header_names)/sizeof(header_name);
603
604 BOOL header_rewritten = FALSE;
605 uschar *helo_accept_junk_hosts = NULL;
606 uschar *helo_allow_chars = US"";
607 uschar *helo_lookup_domains = US"@ : @[]";
608 uschar *helo_try_verify_hosts = NULL;
609 BOOL helo_verified = FALSE;
610 BOOL helo_verify_failed = FALSE;
611 uschar *helo_verify_hosts = NULL;
612 uschar *hex_digits = US"0123456789abcdef";
613 uschar *hold_domains = NULL;
614 BOOL host_checking = FALSE;
615 BOOL host_checking_callout = FALSE;
616 uschar *host_data = NULL;
617 BOOL host_find_failed_syntax= FALSE;
618 uschar *host_lookup = NULL;
619 BOOL host_lookup_deferred = FALSE;
620 BOOL host_lookup_failed = FALSE;
621 uschar *host_lookup_order = US"bydns:byaddr";
622 uschar *host_lookup_msg = US"";
623 int host_number = 0;
624 uschar *host_number_string = NULL;
625 uschar *host_reject_connection = NULL;
626 tree_node *hostlist_anchor = NULL;
627 int hostlist_count = 0;
628 uschar *hosts_treat_as_local = NULL;
629 uschar *hosts_connection_nolog = NULL;
630
631 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
632 BOOL ignore_fromline_local = FALSE;
633 uschar *ignore_fromline_hosts = NULL;
634 uschar *interface_address = NULL;
635 int interface_port = -1;
636 BOOL is_inetd = FALSE;
637 uschar *iterate_item = NULL;
638
639 int journal_fd = -1;
640
641 int keep_malformed = 4*24*60*60; /* 4 days */
642
643 uschar *eldap_dn = NULL;
644 int load_average = -2;
645 BOOL local_error_message = FALSE;
646 BOOL local_from_check = TRUE;
647 uschar *local_from_prefix = NULL;
648 uschar *local_from_suffix = NULL;
649
650 #if HAVE_IPV6
651 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
652 #else
653 uschar *local_interfaces = US"0.0.0.0";
654 #endif
655
656 uschar *local_scan_data = NULL;
657 int local_scan_timeout = 5*60;
658 BOOL local_sender_retain = FALSE;
659 gid_t local_user_gid = (gid_t)(-1);
660 uid_t local_user_uid = (uid_t)(-1);
661
662 tree_node *localpartlist_anchor= NULL;
663 int localpartlist_count = 0;
664 uschar *log_buffer = NULL;
665 unsigned int log_extra_selector = LX_default;
666 uschar *log_file_path = US LOG_FILE_PATH
667 "\0<--------------Space to patch log_file_path->";
668
669 /* Those log options with L_xxx identifiers have values less than 0x800000 and
670 are the ones that get put into log_write_selector. They can be used in calls to
671 log_write() to test for the bit. The options with LX_xxx identifiers have
672 values greater than 0x80000000 and are put int log_extra_selector (without the
673 top bit). They are never used in calls to log_write(), but are tested
674 independently. This separation became necessary when the number of log
675 selectors was getting close to filling a 32-bit word. */
676
677 /* Note that this list must be in alphabetical order. */
678
679 bit_table log_options[] = {
680 { US"acl_warn_skipped", LX_acl_warn_skipped },
681 { US"address_rewrite", L_address_rewrite },
682 { US"all", L_all },
683 { US"all_parents", L_all_parents },
684 { US"arguments", LX_arguments },
685 { US"connection_reject", L_connection_reject },
686 { US"delay_delivery", L_delay_delivery },
687 { US"deliver_time", LX_deliver_time },
688 { US"delivery_size", LX_delivery_size },
689 { US"dnslist_defer", L_dnslist_defer },
690 { US"etrn", L_etrn },
691 { US"host_lookup_failed", L_host_lookup_failed },
692 { US"ident_timeout", LX_ident_timeout },
693 { US"incoming_interface", LX_incoming_interface },
694 { US"incoming_port", LX_incoming_port },
695 { US"lost_incoming_connection", L_lost_incoming_connection },
696 { US"outgoing_port", LX_outgoing_port },
697 { US"pid", LX_pid },
698 { US"queue_run", L_queue_run },
699 { US"queue_time", LX_queue_time },
700 { US"queue_time_overall", LX_queue_time_overall },
701 { US"received_recipients", LX_received_recipients },
702 { US"received_sender", LX_received_sender },
703 { US"rejected_header", LX_rejected_header },
704 { US"rejected_headers", LX_rejected_header },
705 { US"retry_defer", L_retry_defer },
706 { US"return_path_on_delivery", LX_return_path_on_delivery },
707 { US"sender_on_delivery", LX_sender_on_delivery },
708 { US"sender_verify_fail", LX_sender_verify_fail },
709 { US"size_reject", L_size_reject },
710 { US"skip_delivery", L_skip_delivery },
711 { US"smtp_confirmation", LX_smtp_confirmation },
712 { US"smtp_connection", L_smtp_connection },
713 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
714 { US"smtp_no_mail", LX_smtp_no_mail },
715 { US"smtp_protocol_error", L_smtp_protocol_error },
716 { US"smtp_syntax_error", L_smtp_syntax_error },
717 { US"subject", LX_subject },
718 { US"tls_certificate_verified", LX_tls_certificate_verified },
719 { US"tls_cipher", LX_tls_cipher },
720 { US"tls_peerdn", LX_tls_peerdn },
721 { US"unknown_in_list", LX_unknown_in_list }
722 };
723
724 int log_options_count = sizeof(log_options)/sizeof(bit_table);
725 int log_reject_target = 0;
726 uschar *log_selector_string = NULL;
727 FILE *log_stderr = NULL;
728 BOOL log_testing_mode = FALSE;
729 BOOL log_timezone = FALSE;
730 unsigned int log_write_selector= L_default;
731 uschar *login_sender_address = NULL;
732 int lookup_open_max = 25;
733 uschar *lookup_value = NULL;
734
735 macro_item *macros = NULL;
736 uschar *mailstore_basename = NULL;
737 #ifdef WITH_CONTENT_SCAN
738 uschar *malware_name = NULL; /* Virus Name */
739 #endif
740 int max_username_length = 0;
741 int message_age = 0;
742 uschar *message_body = NULL;
743 uschar *message_body_end = NULL;
744 int message_body_size = 0;
745 int message_body_visible = 500;
746 int message_ended = END_NOTSTARTED;
747 uschar *message_headers = NULL;
748 uschar *message_id;
749 uschar *message_id_domain = NULL;
750 uschar *message_id_text = NULL;
751 struct timeval message_id_tv = { 0, 0 };
752 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
753 uschar *message_id_external;
754 int message_linecount = 0;
755 BOOL message_logs = TRUE;
756 int message_size = 0;
757 uschar *message_size_limit = US"50M";
758 uschar message_subdir[2] = { 0, 0 };
759 uschar *message_reference = NULL;
760
761 /* MIME ACL expandables */
762 #ifdef WITH_CONTENT_SCAN
763 int mime_anomaly_level = 0;
764 uschar *mime_anomaly_text = NULL;
765 uschar *mime_boundary = NULL;
766 uschar *mime_charset = NULL;
767 uschar *mime_content_description = NULL;
768 uschar *mime_content_disposition = NULL;
769 uschar *mime_content_id = NULL;
770 unsigned int mime_content_size = 0;
771 uschar *mime_content_transfer_encoding = NULL;
772 uschar *mime_content_type = NULL;
773 uschar *mime_decoded_filename = NULL;
774 uschar *mime_filename = NULL;
775 int mime_is_multipart = 0;
776 int mime_is_coverletter = 0;
777 int mime_is_rfc822 = 0;
778 int mime_part_count = -1;
779 #endif
780
781 BOOL mua_wrapper = FALSE;
782
783 uid_t *never_users = NULL;
784 #ifdef WITH_CONTENT_SCAN
785 BOOL no_mbox_unspool = FALSE;
786 #endif
787 BOOL no_multiline_responses = FALSE;
788
789 uid_t original_euid;
790 gid_t originator_gid;
791 uschar *originator_login = NULL;
792 uschar *originator_name = NULL;
793 uid_t originator_uid;
794 uschar *override_local_interfaces = NULL;
795 uschar *override_pid_file_path = NULL;
796
797 BOOL parse_allow_group = FALSE;
798 BOOL parse_found_group = FALSE;
799 uschar *percent_hack_domains = NULL;
800 uschar *pid_file_path = US PID_FILE_PATH
801 "\0<--------------Space to patch pid_file_path->";
802 BOOL pipelining_enable = TRUE;
803 uschar *pipelining_advertise_hosts = US"*";
804 BOOL preserve_message_logs = FALSE;
805 uschar *primary_hostname = NULL;
806 BOOL print_topbitchars = FALSE;
807 uschar process_info[PROCESS_INFO_SIZE];
808 uschar *process_log_path = NULL;
809 BOOL prod_requires_admin = TRUE;
810 uschar *prvscheck_address = NULL;
811 uschar *prvscheck_keynum = NULL;
812 uschar *prvscheck_result = NULL;
813
814
815 uschar *qualify_domain_recipient = NULL;
816 uschar *qualify_domain_sender = NULL;
817 BOOL queue_2stage = FALSE;
818 uschar *queue_domains = NULL;
819 int queue_interval = -1;
820 BOOL queue_list_requires_admin = TRUE;
821 BOOL queue_only = FALSE;
822 uschar *queue_only_file = NULL;
823 int queue_only_load = -1;
824 BOOL queue_only_override = TRUE;
825 BOOL queue_only_policy = FALSE;
826 BOOL queue_run_first_delivery = FALSE;
827 BOOL queue_run_force = FALSE;
828 BOOL queue_run_in_order = FALSE;
829 BOOL queue_run_local = FALSE;
830 int queue_run_max = 5;
831 pid_t queue_run_pid = (pid_t)0;
832 int queue_run_pipe = -1;
833 BOOL queue_running = FALSE;
834 BOOL queue_smtp = FALSE;
835 uschar *queue_smtp_domains = NULL;
836
837 unsigned int random_seed = 0;
838 tree_node *ratelimiters_cmd = NULL;
839 tree_node *ratelimiters_conn = NULL;
840 tree_node *ratelimiters_mail = NULL;
841 uschar *raw_active_hostname = NULL;
842 uschar *raw_sender = NULL;
843 uschar **raw_recipients = NULL;
844 int raw_recipients_count = 0;
845
846 int rcpt_count = 0;
847 int rcpt_fail_count = 0;
848 int rcpt_defer_count = 0;
849 gid_t real_gid;
850 uid_t real_uid;
851 BOOL really_exim = TRUE;
852 BOOL receive_call_bombout = FALSE;
853 int receive_linecount = 0;
854 int receive_messagecount = 0;
855 int receive_timeout = 0;
856 int received_count = 0;
857 uschar *received_for = NULL;
858
859 /* This is the default text for Received headers generated by Exim. The
860 date will be automatically added on the end. */
861
862 uschar *received_header_text = US
863 "Received: "
864 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
865 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
866 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
867 "by $primary_hostname "
868 "${if def:received_protocol {with $received_protocol}} "
869 #ifdef SUPPORT_TLS
870 "${if def:tls_cipher {($tls_cipher)\n\t}}"
871 #endif
872 "(Exim $version_number)\n\t"
873 "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
874 "id $message_exim_id"
875 "${if def:received_for {\n\tfor $received_for}}"
876 "\0<---------------Space to patch received_header_text->";
877
878 int received_headers_max = 30;
879 uschar *received_protocol = NULL;
880 int received_time = 0;
881 uschar *recipient_data = NULL;
882 uschar *recipient_unqualified_hosts = NULL;
883 uschar *recipient_verify_failure = NULL;
884 int recipients_count = 0;
885 BOOL recipients_discarded = FALSE;
886 recipient_item *recipients_list = NULL;
887 int recipients_list_max = 0;
888 int recipients_max = 0;
889 BOOL recipients_max_reject = FALSE;
890 const pcre *regex_AUTH = NULL;
891 const pcre *regex_check_dns_names = NULL;
892 const pcre *regex_From = NULL;
893 const pcre *regex_IGNOREQUOTA = NULL;
894 const pcre *regex_PIPELINING = NULL;
895 const pcre *regex_SIZE = NULL;
896 const pcre *regex_smtp_code = NULL;
897 const pcre *regex_ismsgid = NULL;
898 #ifdef WITH_CONTENT_SCAN
899 uschar *regex_match_string = NULL;
900 #endif
901 int remote_delivery_count = 0;
902 int remote_max_parallel = 2;
903 uschar *remote_sort_domains = NULL;
904 int retry_data_expire = 7*24*60*60;
905 int retry_interval_max = 24*60*60;
906 int retry_maximum_timeout = 0; /* set from retry config */
907 retry_config *retries = NULL;
908 uschar *return_path = NULL;
909 BOOL return_path_remove = TRUE;
910 int rewrite_existflags = 0;
911 uschar *rfc1413_hosts = US"*";
912 int rfc1413_query_timeout = 5;
913 /* BOOL rfc821_domains = FALSE; <<< on the way out */
914 uid_t root_uid = ROOT_UID;
915
916 router_instance *routers = NULL;
917 router_instance router_defaults = {
918 NULL, /* chain pointer */
919 NULL, /* name */
920 NULL, /* info */
921 NULL, /* private options block pointer */
922 NULL, /* driver name */
923
924 NULL, /* address_data */
925 #ifdef EXPERIMENTAL_BRIGHTMAIL
926 NULL, /* bmi_rule */
927 #endif
928 NULL, /* cannot_route_message */
929 NULL, /* condition */
930 NULL, /* current_directory */
931 NULL, /* debug_string */
932 NULL, /* domains */
933 NULL, /* errors_to */
934 NULL, /* expand_gid */
935 NULL, /* expand_uid */
936 NULL, /* expand_more */
937 NULL, /* expand_unseen */
938 NULL, /* extra_headers */
939 NULL, /* fallback_hosts */
940 NULL, /* home_directory */
941 NULL, /* ignore_target_hosts */
942 NULL, /* local_parts */
943 NULL, /* pass_router_name */
944 NULL, /* prefix */
945 NULL, /* redirect_router_name */
946 NULL, /* remove_headers */
947 NULL, /* require_files */
948 NULL, /* router_home_directory */
949 US"freeze", /* self */
950 NULL, /* senders */
951 NULL, /* suffix */
952 NULL, /* translate_ip_address */
953 NULL, /* transport_name */
954
955 TRUE, /* address_test */
956 #ifdef EXPERIMENTAL_BRIGHTMAIL
957 FALSE, /* bmi_deliver_alternate */
958 FALSE, /* bmi_deliver_default */
959 FALSE, /* bmi_dont_deliver */
960 #endif
961 TRUE, /* expn */
962 FALSE, /* caseful_local_part */
963 FALSE, /* check_local_user */
964 FALSE, /* disable_logging */
965 FALSE, /* fail_verify_recipient */
966 FALSE, /* fail_verify_sender */
967 FALSE, /* gid_set */
968 FALSE, /* initgroups */
969 TRUE_UNSET, /* log_as_local */
970 TRUE, /* more */
971 FALSE, /* pass_on_timeout */
972 FALSE, /* prefix_optional */
973 TRUE, /* repeat_use */
974 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
975 FALSE, /* same_domain_copy_routing */
976 FALSE, /* self_rewrite */
977 FALSE, /* suffix_optional */
978 FALSE, /* verify_only */
979 TRUE, /* verify_recipient */
980 TRUE, /* verify_sender */
981 FALSE, /* uid_set */
982 FALSE, /* unseen */
983
984 self_freeze, /* self_code */
985 (uid_t)(-1), /* uid */
986 (gid_t)(-1), /* gid */
987
988 NULL, /* fallback_hostlist */
989 NULL, /* transport instance */
990 NULL, /* pass_router */
991 NULL /* redirect_router */
992 };
993
994 ip_address_item *running_interfaces = NULL;
995 BOOL running_in_test_harness = FALSE;
996
997 /* This is a weird one. The following string gets patched in the binary by the
998 script that sets up a copy of Exim for running in the test harness. It seems
999 that compilers are now clever, and share constant strings if they can.
1000 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1001 make use of the end of this string in order to save space. So the patching then
1002 wrecks this. We default this optimization by adding some additional characters
1003 onto the end of the string. */
1004
1005 uschar *running_status = US">>>running<<<" "\0EXTRA";
1006
1007 int runrc = 0;
1008
1009 uschar *search_error_message = NULL;
1010 BOOL search_find_defer = FALSE;
1011 uschar *self_hostname = NULL;
1012 uschar *sender_address = NULL;
1013 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1014 uschar *sender_address_data = NULL;
1015 BOOL sender_address_forced = FALSE;
1016 uschar *sender_address_unrewritten = NULL;
1017 uschar *sender_data = NULL;
1018 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1019 uschar *sender_fullhost = NULL;
1020 uschar *sender_helo_name = NULL;
1021 uschar **sender_host_aliases = &no_aliases;
1022 uschar *sender_host_address = NULL;
1023 uschar *sender_host_authenticated = NULL;
1024 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1025 uschar *sender_host_name = NULL;
1026 int sender_host_port = 0;
1027 BOOL sender_host_notsocket = FALSE;
1028 BOOL sender_host_unknown = FALSE;
1029 uschar *sender_ident = NULL;
1030 BOOL sender_local = FALSE;
1031 BOOL sender_name_forced = FALSE;
1032 uschar *sender_rate = NULL;
1033 uschar *sender_rate_limit = NULL;
1034 uschar *sender_rate_period = NULL;
1035 uschar *sender_rcvhost = NULL;
1036 BOOL sender_set_untrusted = FALSE;
1037 uschar *sender_unqualified_hosts = NULL;
1038 uschar *sender_verify_failure = NULL;
1039 address_item *sender_verified_list = NULL;
1040 address_item *sender_verified_failed = NULL;
1041 int sender_verified_rc = -1;
1042 BOOL sender_verified_responded = FALSE;
1043 uschar *sending_ip_address = NULL;
1044 int sending_port = -1;
1045 volatile BOOL sigalrm_seen = FALSE;
1046 uschar **sighup_argv = NULL;
1047 int smtp_accept_count = 0;
1048 BOOL smtp_accept_keepalive = TRUE;
1049 int smtp_accept_max = 20;
1050 int smtp_accept_max_nonmail= 10;
1051 uschar *smtp_accept_max_nonmail_hosts = US"*";
1052 int smtp_accept_max_per_connection = 1000;
1053 uschar *smtp_accept_max_per_host = NULL;
1054 int smtp_accept_queue = 0;
1055 int smtp_accept_queue_per_connection = 10;
1056 int smtp_accept_reserve = 0;
1057 uschar *smtp_active_hostname = NULL;
1058 BOOL smtp_authenticated = FALSE;
1059 uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1060 "Exim $version_number $tod_full"
1061 "\0<---------------Space to patch smtp_banner->";
1062 BOOL smtp_batched_input = FALSE;
1063 BOOL smtp_check_spool_space = TRUE;
1064 int smtp_ch_index = 0;
1065 uschar *smtp_cmd_argument = NULL;
1066 uschar *smtp_cmd_buffer = NULL;
1067 time_t smtp_connection_start = 0;
1068 uschar smtp_connection_had[SMTP_HBUFF_SIZE];
1069 int smtp_connect_backlog = 20;
1070 double smtp_delay_mail = 0.0;
1071 double smtp_delay_rcpt = 0.0;
1072 BOOL smtp_enforce_sync = TRUE;
1073 FILE *smtp_in = NULL;
1074 BOOL smtp_input = FALSE;
1075 int smtp_load_reserve = -1;
1076 int smtp_mailcmd_count = 0;
1077 FILE *smtp_out = NULL;
1078 uschar *smtp_etrn_command = NULL;
1079 BOOL smtp_etrn_serialize = TRUE;
1080 int smtp_max_synprot_errors= 3;
1081 int smtp_max_unknown_commands = 3;
1082 uschar *smtp_ratelimit_hosts = NULL;
1083 uschar *smtp_ratelimit_mail = NULL;
1084 uschar *smtp_ratelimit_rcpt = NULL;
1085 uschar *smtp_read_error = US"";
1086 int smtp_receive_timeout = 5*60;
1087 uschar *smtp_reserve_hosts = NULL;
1088 BOOL smtp_return_error_details = FALSE;
1089 int smtp_rlm_base = 0;
1090 double smtp_rlm_factor = 0.0;
1091 int smtp_rlm_limit = 0;
1092 int smtp_rlm_threshold = INT_MAX;
1093 int smtp_rlr_base = 0;
1094 double smtp_rlr_factor = 0.0;
1095 int smtp_rlr_limit = 0;
1096 int smtp_rlr_threshold = INT_MAX;
1097 BOOL smtp_use_pipelining = FALSE;
1098 BOOL smtp_use_size = FALSE;
1099
1100 #ifdef WITH_CONTENT_SCAN
1101 uschar *spamd_address = US"127.0.0.1 783";
1102 uschar *spam_bar = NULL;
1103 uschar *spam_report = NULL;
1104 uschar *spam_score = NULL;
1105 uschar *spam_score_int = NULL;
1106 #endif
1107 #ifdef EXPERIMENTAL_SPF
1108 uschar *spf_header_comment = NULL;
1109 uschar *spf_received = NULL;
1110 uschar *spf_result = NULL;
1111 uschar *spf_smtp_comment = NULL;
1112 #endif
1113
1114 BOOL split_spool_directory = FALSE;
1115 uschar *spool_directory = US SPOOL_DIRECTORY
1116 "\0<--------------Space to patch spool_directory->";
1117 #ifdef EXPERIMENTAL_SRS
1118 uschar *srs_config = NULL;
1119 uschar *srs_db_address = NULL;
1120 uschar *srs_db_key = NULL;
1121 int srs_hashlength = 6;
1122 int srs_hashmin = -1;
1123 int srs_maxage = 31;
1124 uschar *srs_orig_recipient = NULL;
1125 uschar *srs_orig_sender = NULL;
1126 uschar *srs_recipient = NULL;
1127 uschar *srs_secrets = NULL;
1128 uschar *srs_status = NULL;
1129 BOOL srs_usehash = TRUE;
1130 BOOL srs_usetimestamp = TRUE;
1131 #endif
1132 BOOL strict_acl_vars = FALSE;
1133 int string_datestamp_offset= -1;
1134 BOOL strip_excess_angle_brackets = FALSE;
1135 BOOL strip_trailing_dot = FALSE;
1136 uschar *submission_domain = NULL;
1137 BOOL submission_mode = FALSE;
1138 uschar *submission_name = NULL;
1139 BOOL suppress_local_fixups = FALSE;
1140 BOOL synchronous_delivery = FALSE;
1141 BOOL syslog_duplication = TRUE;
1142 int syslog_facility = LOG_MAIL;
1143 uschar *syslog_processname = US"exim";
1144 BOOL syslog_timestamp = TRUE;
1145 uschar *system_filter = NULL;
1146
1147 uschar *system_filter_directory_transport = NULL;
1148 uschar *system_filter_file_transport = NULL;
1149 uschar *system_filter_pipe_transport = NULL;
1150 uschar *system_filter_reply_transport = NULL;
1151
1152 gid_t system_filter_gid = 0;
1153 BOOL system_filter_gid_set = FALSE;
1154 uid_t system_filter_uid = 0;
1155 BOOL system_filter_uid_set = FALSE;
1156 BOOL system_filtering = FALSE;
1157
1158 BOOL tcp_nodelay = TRUE;
1159 int thismessage_size_limit = 0;
1160 int timeout_frozen_after = 0;
1161 BOOL timestamps_utc = FALSE;
1162
1163 transport_instance *transports = NULL;
1164
1165 transport_instance transport_defaults = {
1166 NULL, /* chain pointer */
1167 NULL, /* name */
1168 NULL, /* info */
1169 NULL, /* private options block pointer */
1170 NULL, /* driver name */
1171 NULL, /* setup entry point */
1172 1, /* batch_max */
1173 NULL, /* batch_id */
1174 NULL, /* home_dir */
1175 NULL, /* current_dir */
1176 TRUE, /* multi-domain */
1177 FALSE, /* overrides_hosts */
1178 100, /* max_addresses */
1179 500, /* connection_max_messages */
1180 FALSE, /* deliver_as_creator */
1181 FALSE, /* disable_logging */
1182 FALSE, /* initgroups */
1183 FALSE, /* uid_set */
1184 FALSE, /* gid_set */
1185 (uid_t)(-1), /* uid */
1186 (gid_t)(-1), /* gid */
1187 NULL, /* expand_uid */
1188 NULL, /* expand_gid */
1189 NULL, /* warn_message */
1190 NULL, /* shadow */
1191 NULL, /* shadow_condition */
1192 NULL, /* filter_command */
1193 NULL, /* add_headers */
1194 NULL, /* remove_headers */
1195 NULL, /* return_path */
1196 NULL, /* debug_string */
1197 NULL, /* message_size_limit */
1198 NULL, /* headers_rewrite */
1199 NULL, /* rewrite_rules */
1200 0, /* rewrite_existflags */
1201 300, /* filter_timeout */
1202 FALSE, /* body_only */
1203 FALSE, /* delivery_date_add */
1204 FALSE, /* envelope_to_add */
1205 FALSE, /* headers_only */
1206 FALSE, /* rcpt_include_affixes */
1207 FALSE, /* return_path_add */
1208 FALSE, /* return_output */
1209 FALSE, /* return_fail_output */
1210 FALSE, /* log_output */
1211 FALSE, /* log_fail_output */
1212 FALSE, /* log_defer_output */
1213 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1214 1 nor 0 so can detect unset */
1215 };
1216
1217 int transport_count;
1218 uschar **transport_filter_argv = NULL;
1219 int transport_filter_timeout;
1220 BOOL transport_filter_timed_out = FALSE;
1221 int transport_write_timeout= 0;
1222
1223 tree_node *tree_dns_fails = NULL;
1224 tree_node *tree_duplicates = NULL;
1225 tree_node *tree_nonrecipients = NULL;
1226 tree_node *tree_unusable = NULL;
1227
1228 BOOL trusted_caller = FALSE;
1229 gid_t *trusted_groups = NULL;
1230 uid_t *trusted_users = NULL;
1231 uschar *timezone_string = US TIMEZONE_DEFAULT;
1232
1233 uschar *unknown_login = NULL;
1234 uschar *unknown_username = NULL;
1235 uschar *untrusted_set_sender = NULL;
1236
1237 /* A regex for matching a "From_" line in an incoming message, in the form
1238
1239 From ph10 Fri Jan 5 12:35 GMT 1996
1240
1241 which the "mail" commands send to the MTA (undocumented, of course), or in
1242 the form
1243
1244 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1245
1246 which is apparently used by some UUCPs, despite it not being in RFC 976.
1247 Because of variations in time formats, just match up to the minutes. That
1248 should be sufficient. Examples have been seen of time fields like 12:1:03,
1249 so just require one digit for hours and minutes. The weekday is also absent
1250 in some forms. */
1251
1252 uschar *uucp_from_pattern = US
1253 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1254 "(?:" /* Non-extracting bracket */
1255 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1256 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1257 ")" /* End alternation */
1258 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1259
1260 uschar *uucp_from_sender = US"$1";
1261
1262 uschar *warn_message_file = NULL;
1263 uschar *warnmsg_delay = NULL;
1264 uschar *warnmsg_recipients = NULL;
1265 BOOL write_rejectlog = TRUE;
1266
1267 uschar *version_copyright = US"Copyright (c) University of Cambridge 2006";
1268 uschar *version_date = US"?";
1269 uschar *version_cnumber = US"????";
1270 uschar *version_string = US"?";
1271
1272 int warning_count = 0;
1273
1274 /* End of globals.c */
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