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[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.8 2004/11/25 13:54:31 ph10 Exp $ */
2
3 /*************************************************
4 * Exim - an Internet mail transport agent *
5 *************************************************/
6
7 /* Copyright (c) University of Cambridge 1995 - 2004 */
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_debug_print", opt_stringptr | opt_public,
42 (void *)(offsetof(auth_instance, server_debug_string)) },
43 { "server_mail_auth_condition", opt_stringptr | opt_public,
44 (void *)(offsetof(auth_instance, mail_auth_condition)) },
45 { "server_set_id", opt_stringptr | opt_public,
46 (void *)(offsetof(auth_instance, set_id)) }
47 };
48
49 int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
50
51 /* An empty host aliases list. */
52
53 uschar *no_aliases = NULL;
54
55
56 /* For comments on these variables, see globals.h. I'm too idle to
57 duplicate them here... */
58
59 #ifdef EXIM_PERL
60 uschar *opt_perl_startup = NULL;
61 BOOL opt_perl_at_start = FALSE;
62 BOOL opt_perl_started = FALSE;
63 #endif
64
65 #ifdef LOOKUP_IBASE
66 uschar *ibase_servers = NULL;
67 #endif
68
69 #ifdef LOOKUP_LDAP
70 uschar *eldap_default_servers = NULL;
71 int eldap_version = -1;
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 SUPPORT_MOVE_FROZEN_MESSAGES
87 BOOL move_frozen_messages = FALSE;
88 #endif
89
90 /* These variables are outside the #ifdef because it keeps the code less
91 cluttered in several places (e.g. during logging) if we can always refer to
92 them. Also, the tls_ variables are now always visible. */
93
94 BOOL tls_active = -1;
95 BOOL tls_certificate_verified = FALSE;
96 uschar *tls_cipher = NULL;
97 BOOL tls_on_connect = FALSE;
98 uschar *tls_on_connect_ports = NULL;
99 uschar *tls_peerdn = NULL;
100
101 #ifdef SUPPORT_TLS
102 const pcre *regex_STARTTLS = NULL;
103 uschar *tls_advertise_hosts = NULL; /* This is deliberate */
104 uschar *tls_certificate = NULL;
105 uschar *tls_crl = NULL;
106 uschar *tls_dhparam = NULL;
107 BOOL tls_offered = FALSE;
108 uschar *tls_privatekey = NULL;
109 BOOL tls_remember_esmtp = FALSE;
110 uschar *tls_require_ciphers = NULL;
111 uschar *tls_try_verify_hosts = NULL;
112 uschar *tls_verify_certificates= NULL;
113 uschar *tls_verify_hosts = NULL;
114 #endif
115
116
117 /* Input-reading functions for messages, so we can use special ones for
118 incoming TCP/IP. The defaults use stdin. We never need these for any
119 stand-alone tests. */
120
121 #ifndef STAND_ALONE
122 int (*receive_getc)(void) = stdin_getc;
123 int (*receive_ungetc)(int) = stdin_ungetc;
124 int (*receive_feof)(void) = stdin_feof;
125 int (*receive_ferror)(void) = stdin_ferror;
126 #endif
127
128
129 /* List of per-address expansion variables for clearing and saving/restoring
130 when verifying one address while routing/verifying another. We have to have
131 the size explicit, because it is referenced from more than one module. */
132
133 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
134 &deliver_address_data,
135 &deliver_domain,
136 &deliver_domain_data,
137 &deliver_domain_orig,
138 &deliver_domain_parent,
139 &deliver_localpart,
140 &deliver_localpart_data,
141 &deliver_localpart_orig,
142 &deliver_localpart_parent,
143 &deliver_localpart_prefix,
144 &deliver_localpart_suffix,
145 (uschar **)(&deliver_recipients),
146 &deliver_host,
147 &deliver_home,
148 &address_file,
149 &address_pipe,
150 &self_hostname,
151 NULL };
152
153 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
154
155 /* General global variables */
156
157 tree_node *acl_anchor = NULL;
158 uschar *acl_not_smtp = NULL;
159 uschar *acl_smtp_auth = NULL;
160 uschar *acl_smtp_connect = NULL;
161 uschar *acl_smtp_data = NULL;
162 uschar *acl_smtp_etrn = NULL;
163 uschar *acl_smtp_expn = NULL;
164 uschar *acl_smtp_helo = NULL;
165 uschar *acl_smtp_mail = NULL;
166 uschar *acl_smtp_mailauth = NULL;
167 uschar *acl_smtp_predata = NULL;
168 uschar *acl_smtp_quit = NULL;
169 uschar *acl_smtp_rcpt = NULL;
170 uschar *acl_smtp_starttls = NULL;
171 uschar *acl_smtp_vrfy = NULL;
172 BOOL acl_temp_details = FALSE;
173 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
174 uschar *acl_verify_message = NULL;
175 header_line *acl_warn_headers = NULL;
176 string_item *acl_warn_logged = NULL;
177
178 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
179 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
180
181 uschar *acl_wherenames[] = { US"RCPT",
182 US"MAIL",
183 US"PREDATA",
184 US"DATA",
185 US"non-SMTP",
186 US"AUTH",
187 US"connection",
188 US"ETRN",
189 US"EXPN",
190 US"EHLO or HELO",
191 US"MAILAUTH",
192 US"QUIT",
193 US"STARTTLS",
194 US"VRFY"
195 };
196
197 int acl_wherecodes[] = { 550, /* RCPT */
198 550, /* MAIL */
199 550, /* PREDATA */
200 550, /* DATA */
201 0, /* not SMTP; not relevant */
202 503, /* AUTH */
203 550, /* connect */
204 458, /* ETRN */
205 550, /* EXPN */
206 550, /* HELO/EHLO */
207 0, /* MAILAUTH; not relevant */
208 0, /* QUIT; not relevant */
209 550, /* STARTTLS */
210 252 /* VRFY */
211 };
212
213 BOOL active_local_from_check = FALSE;
214 BOOL active_local_sender_retain = FALSE;
215 BOOL accept_8bitmime = FALSE;
216 address_item *addr_duplicate = NULL;
217
218 address_item address_defaults = {
219 NULL, /* next */
220 NULL, /* parent */
221 NULL, /* first */
222 NULL, /* dupof */
223 NULL, /* start_router */
224 NULL, /* router */
225 NULL, /* transport */
226 NULL, /* host_list */
227 NULL, /* host_used */
228 NULL, /* fallback_hosts */
229 NULL, /* reply */
230 NULL, /* retries */
231 NULL, /* address */
232 NULL, /* unique */
233 NULL, /* cc_local_part */
234 NULL, /* lc_local_part */
235 NULL, /* local_part */
236 NULL, /* prefix */
237 NULL, /* suffix */
238 NULL, /* domain */
239 NULL, /* address_retry_key */
240 NULL, /* domain_retry_key */
241 NULL, /* current_dir */
242 NULL, /* home_dir */
243 NULL, /* message */
244 NULL, /* user_message */
245 NULL, /* onetime_parent */
246 NULL, /* pipe_expandn */
247 NULL, /* return_filename */
248 NULL, /* self_hostname */
249 NULL, /* shadow_message */
250 #ifdef SUPPORT_TLS
251 NULL, /* cipher */
252 NULL, /* peerdn */
253 #endif
254 (uid_t)(-1), /* uid */
255 (gid_t)(-1), /* gid */
256 0, /* flags */
257 { 0 }, /* domain_cache - any larger array should be zeroed */
258 { 0 }, /* localpart_cache - ditto */
259 -1, /* mode */
260 0, /* more_errno */
261 ERRNO_UNKNOWNERROR, /* basic_errno */
262 0, /* child_count */
263 -1, /* return_file */
264 SPECIAL_NONE, /* special_action */
265 DEFER, /* transport_return */
266 { /* fields that are propagated to children */
267 NULL, /* address_data */
268 NULL, /* domain_data */
269 NULL, /* localpart_data */
270 NULL, /* errors_address */
271 NULL, /* extra_headers */
272 NULL, /* remove_headers */
273 }
274 };
275
276 uschar *address_file = NULL;
277 uschar *address_pipe = NULL;
278 BOOL address_test_mode = FALSE;
279 tree_node *addresslist_anchor = NULL;
280 int addresslist_count = 0;
281 gid_t *admin_groups = NULL;
282 BOOL admin_user = FALSE;
283 BOOL allow_domain_literals = FALSE;
284 BOOL allow_mx_to_ip = FALSE;
285 BOOL allow_unqualified_recipient = TRUE; /* For local messages */
286 BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
287 BOOL allow_utf8_domains = FALSE;
288 uschar *authenticated_id = NULL;
289 uschar *authenticated_sender = NULL;
290 BOOL authentication_failed = FALSE;
291 auth_instance *auths = NULL;
292 uschar *auth_advertise_hosts = US"*";
293 auth_instance auth_defaults = {
294 NULL, /* chain pointer */
295 NULL, /* name */
296 NULL, /* info */
297 NULL, /* private options block pointer */
298 NULL, /* driver_name */
299 NULL, /* advertise_condition */
300 NULL, /* public_name */
301 NULL, /* set_id */
302 NULL, /* server_mail_auth_condition */
303 NULL, /* server_debug_string */
304 FALSE, /* client */
305 FALSE, /* server */
306 FALSE /* advertised */
307 };
308
309 uschar *auth_defer_msg = US"reason not recorded";
310 uschar *auth_defer_user_msg = US"";
311 int auto_thaw = 0;
312
313 BOOL background_daemon = TRUE;
314 uschar *base62_chars=
315 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
316 uschar *bi_command = NULL;
317 uschar *big_buffer = NULL;
318 int big_buffer_size = BIG_BUFFER_SIZE;
319 int body_linecount = 0;
320 int body_zerocount = 0;
321 uschar *bounce_message_file = NULL;
322 uschar *bounce_message_text = NULL;
323 uschar *bounce_recipient = NULL;
324 BOOL bounce_return_body = TRUE;
325 BOOL bounce_return_message = TRUE;
326 int bounce_return_size_limit = 100*1024;
327 uschar *bounce_sender_authentication = NULL;
328 int bsmtp_transaction_linecount = 0;
329
330 int callout_cache_domain_positive_expire = 7*24*60*60;
331 int callout_cache_domain_negative_expire = 3*60*60;
332 int callout_cache_positive_expire = 24*60*60;
333 int callout_cache_negative_expire = 2*60*60;
334 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
335 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
336 int check_log_inodes = 0;
337 int check_log_space = 0;
338 int check_spool_inodes = 0;
339 int check_spool_space = 0;
340 int clmacro_count = 0;
341 uschar *clmacros[MAX_CLMACROS];
342 BOOL config_changed = FALSE;
343 FILE *config_file = NULL;
344 uschar *config_filename = NULL;
345 int config_lineno = 0;
346 #ifdef CONFIGURE_GROUP
347 gid_t config_gid = CONFIGURE_GROUP;
348 #endif
349 uschar *config_main_filelist = US CONFIGURE_FILE
350 "\0<-----------Space to patch configure_filename->";
351 uschar *config_main_filename = NULL;
352
353 #ifdef CONFIGURE_OWNER
354 uid_t config_uid = CONFIGURE_OWNER;
355 #endif
356
357 int connection_max_messages= -1;
358 uschar *continue_hostname = NULL;
359 uschar *continue_host_address = NULL;
360 BOOL continue_more = FALSE;
361 int continue_sequence = 1;
362 uschar *continue_transport = NULL;
363
364 BOOL daemon_listen = FALSE;
365 uschar *daemon_smtp_port = US"smtp";
366 BOOL debug_daemon = FALSE;
367 int debug_fd = -1;
368 FILE *debug_file = NULL;
369 bit_table debug_options[] = {
370 { US"acl", D_acl },
371 { US"all", D_all },
372 { US"auth", D_auth },
373 { US"deliver", D_deliver },
374 { US"dns", D_dns },
375 { US"dnsbl", D_dnsbl },
376 { US"exec", D_exec },
377 { US"expand", D_expand },
378 { US"filter", D_filter },
379 { US"hints_lookup", D_hints_lookup },
380 { US"host_lookup", D_host_lookup },
381 { US"ident", D_ident },
382 { US"interface", D_interface },
383 { US"lists", D_lists },
384 { US"load", D_load },
385 { US"local_scan", D_local_scan },
386 { US"lookup", D_lookup },
387 { US"memory", D_memory },
388 { US"pid", D_pid },
389 { US"process_info", D_process_info },
390 { US"queue_run", D_queue_run },
391 { US"receive", D_receive },
392 { US"resolver", D_resolver },
393 { US"retry", D_retry },
394 { US"rewrite", D_rewrite },
395 { US"route", D_route },
396 { US"timestamp", D_timestamp },
397 { US"tls", D_tls },
398 { US"transport", D_transport },
399 { US"uid", D_uid },
400 { US"verify", D_verify }
401 };
402 int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
403 unsigned int debug_selector = 0;
404 int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
405 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
406 BOOL delivery_date_remove = TRUE;
407 uschar *deliver_address_data = NULL;
408 int deliver_datafile = -1;
409 uschar *deliver_domain = NULL;
410 uschar *deliver_domain_data = NULL;
411 uschar *deliver_domain_orig = NULL;
412 uschar *deliver_domain_parent = NULL;
413 BOOL deliver_drop_privilege = FALSE;
414 BOOL deliver_firsttime = FALSE;
415 BOOL deliver_force = FALSE;
416 BOOL deliver_freeze = FALSE;
417 int deliver_frozen_at = 0;
418 uschar *deliver_home = NULL;
419 uschar *deliver_host = NULL;
420 uschar *deliver_host_address = NULL;
421 uschar *deliver_in_buffer = NULL;
422 ino_t deliver_inode = 0;
423 uschar *deliver_localpart = NULL;
424 uschar *deliver_localpart_data = NULL;
425 uschar *deliver_localpart_orig = NULL;
426 uschar *deliver_localpart_parent = NULL;
427 uschar *deliver_localpart_prefix = NULL;
428 uschar *deliver_localpart_suffix = NULL;
429 BOOL deliver_force_thaw = FALSE;
430 BOOL deliver_manual_thaw = FALSE;
431 uschar *deliver_out_buffer = NULL;
432 int deliver_queue_load_max = -1;
433 address_item *deliver_recipients = NULL;
434 uschar *deliver_selectstring = NULL;
435 BOOL deliver_selectstring_regex = FALSE;
436 uschar *deliver_selectstring_sender = NULL;
437 BOOL deliver_selectstring_sender_regex = FALSE;
438 BOOL disable_logging = FALSE;
439
440 uschar *dns_again_means_nonexist = NULL;
441 uschar *dns_ipv4_lookup = NULL;
442 int dns_retrans = 0;
443 int dns_retry = 0;
444 uschar *dnslist_domain = NULL;
445 uschar *dnslist_text = NULL;
446 uschar *dnslist_value = NULL;
447 tree_node *domainlist_anchor = NULL;
448 int domainlist_count = 0;
449 BOOL dont_deliver = FALSE;
450 BOOL dot_ends = TRUE;
451 BOOL drop_cr = FALSE; /* No longer used */
452
453 BOOL enable_dollar_recipients = FALSE;
454 BOOL envelope_to_remove = TRUE;
455 int errno_quota = ERRNO_QUOTA;
456 uschar *errors_copy = NULL;
457 int error_handling = ERRORS_SENDER;
458 uschar *errors_reply_to = NULL;
459 int errors_sender_rc = EXIT_FAILURE;
460
461 gid_t exim_gid = EXIM_GID;
462 BOOL exim_gid_set = TRUE; /* This gid is always set */
463 uschar *exim_path = US BIN_DIRECTORY "/exim"
464 "\0<---------------Space to patch exim_path->";
465 uid_t exim_uid = EXIM_UID;
466 BOOL exim_uid_set = TRUE; /* This uid is always set */
467 int expand_forbid = 0;
468 int expand_nlength[EXPAND_MAXN+1];
469 int expand_nmax = -1;
470 uschar *expand_nstring[EXPAND_MAXN+1];
471 BOOL expand_string_forcedfail = FALSE;
472 uschar *expand_string_message;
473 BOOL extract_addresses_remove_arguments = TRUE;
474 uschar *extra_local_interfaces = NULL;
475
476 int filter_n[FILTER_VARIABLE_COUNT];
477 BOOL filter_running = FALSE;
478 int filter_sn[FILTER_VARIABLE_COUNT];
479 int filter_test = FTEST_NONE;
480 uschar *filter_test_sfile = NULL;
481 uschar *filter_test_ufile = NULL;
482 uschar *filter_thisaddress = NULL;
483 int finduser_retries = 0;
484 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
485 uschar *freeze_tell = NULL;
486 uschar *fudged_queue_times = US"";
487
488 uschar *gecos_name = NULL;
489 uschar *gecos_pattern = NULL;
490 rewrite_rule *global_rewrite_rules = NULL;
491
492 uschar *headers_charset = US HEADERS_CHARSET;
493 int header_insert_maxlen = 64 * 1024;
494 header_line *header_last = NULL;
495 header_line *header_list = NULL;
496 int header_maxsize = HEADER_MAXSIZE;
497 int header_line_maxsize = 0;
498
499 header_name header_names[] = {
500 { US"bcc", 3, TRUE, htype_bcc },
501 { US"cc", 2, TRUE, htype_cc },
502 { US"date", 4, TRUE, htype_date },
503 { US"delivery-date", 13, FALSE, htype_delivery_date },
504 { US"envelope-to", 11, FALSE, htype_envelope_to },
505 { US"from", 4, TRUE, htype_from },
506 { US"message-id", 10, TRUE, htype_id },
507 { US"received", 8, FALSE, htype_received },
508 { US"reply-to", 8, FALSE, htype_reply_to },
509 { US"return-path", 11, FALSE, htype_return_path },
510 { US"sender", 6, TRUE, htype_sender },
511 { US"subject", 7, FALSE, htype_subject },
512 { US"to", 2, TRUE, htype_to }
513 };
514
515 int header_names_size = sizeof(header_names)/sizeof(header_name);
516
517 BOOL header_rewritten = FALSE;
518 uschar *helo_accept_junk_hosts = NULL;
519 uschar *helo_allow_chars = US"";
520 uschar *helo_lookup_domains = US"@ : @[]";
521 uschar *helo_try_verify_hosts = NULL;
522 BOOL helo_verified = FALSE;
523 uschar *helo_verify_hosts = NULL;
524 uschar *hex_digits = US"0123456789abcdef";
525 uschar *hold_domains = NULL;
526 BOOL host_checking = FALSE;
527 BOOL host_checking_callout = FALSE;
528 uschar *host_data = NULL;
529 BOOL host_find_failed_syntax= FALSE;
530 uschar *host_lookup = NULL;
531 BOOL host_lookup_failed = FALSE;
532 uschar *host_lookup_order = US"bydns:byaddr";
533 uschar *host_lookup_msg = US"";
534 int host_number = 0;
535 uschar *host_number_string = NULL;
536 uschar *host_reject_connection = NULL;
537 tree_node *hostlist_anchor = NULL;
538 int hostlist_count = 0;
539 uschar *hosts_treat_as_local = NULL;
540 uschar *hosts_connection_nolog = NULL;
541
542 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
543 BOOL ignore_fromline_local = FALSE;
544 uschar *ignore_fromline_hosts = NULL;
545 uschar *interface_address = NULL;
546 int interface_port = -1;
547 BOOL is_inetd = FALSE;
548
549 int journal_fd = -1;
550
551 int keep_malformed = 4*24*60*60; /* 4 days */
552
553 uschar *eldap_dn = NULL;
554 int load_average = -2;
555 BOOL local_error_message = FALSE;
556 BOOL local_from_check = TRUE;
557 uschar *local_from_prefix = NULL;
558 uschar *local_from_suffix = NULL;
559
560 #if HAVE_IPV6
561 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
562 #else
563 uschar *local_interfaces = US"0.0.0.0";
564 #endif
565
566 uschar *local_scan_data = NULL;
567 int local_scan_timeout = 5*60;
568 BOOL local_sender_retain = FALSE;
569 gid_t local_user_gid = (gid_t)(-1);
570 uid_t local_user_uid = (uid_t)(-1);
571
572 tree_node *localpartlist_anchor= NULL;
573 int localpartlist_count = 0;
574 uschar *log_buffer = NULL;
575 unsigned int log_extra_selector = LX_default;
576 uschar *log_file_path = US LOG_FILE_PATH
577 "\0<--------------Space to patch log_file_path->";
578
579 /* Those log options with L_xxx identifiers have values less than 0x800000 and
580 are the ones that get put into log_write_selector. They can be used in calls to
581 log_write() to test for the bit. The options with LX_xxx identifiers have
582 values greater than 0x80000000 and are put int log_extra_selector (without the
583 top bit). They are never used in calls to log_write(), but are tested
584 independently. This separation became necessary when the number of log
585 selectors was getting close to filling a 32-bit word. */
586
587 bit_table log_options[] = {
588 { US"address_rewrite", L_address_rewrite },
589 { US"all", L_all },
590 { US"all_parents", L_all_parents },
591 { US"arguments", LX_arguments },
592 { US"connection_reject", L_connection_reject },
593 { US"delay_delivery", L_delay_delivery },
594 { US"deliver_time", LX_deliver_time },
595 { US"delivery_size", LX_delivery_size },
596 { US"dnslist_defer", L_dnslist_defer },
597 { US"etrn", L_etrn },
598 { US"host_lookup_failed", L_host_lookup_failed },
599 { US"ident_timeout", LX_ident_timeout },
600 { US"incoming_interface", LX_incoming_interface },
601 { US"incoming_port", LX_incoming_port },
602 { US"lost_incoming_connection", L_lost_incoming_connection },
603 { US"outgoing_port", LX_outgoing_port },
604 { US"queue_run", L_queue_run },
605 { US"queue_time", LX_queue_time },
606 { US"queue_time_overall", LX_queue_time_overall },
607 { US"received_recipients", LX_received_recipients },
608 { US"received_sender", LX_received_sender },
609 { US"rejected_header", LX_rejected_header },
610 { US"rejected_headers", LX_rejected_header },
611 { US"retry_defer", L_retry_defer },
612 { US"return_path_on_delivery", LX_return_path_on_delivery },
613 { US"sender_on_delivery", LX_sender_on_delivery },
614 { US"size_reject", L_size_reject },
615 { US"skip_delivery", L_skip_delivery },
616 { US"smtp_confirmation", LX_smtp_confirmation },
617 { US"smtp_connection", L_smtp_connection },
618 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
619 { US"smtp_protocol_error", L_smtp_protocol_error },
620 { US"smtp_syntax_error", L_smtp_syntax_error },
621 { US"subject", LX_subject },
622 { US"tls_certificate_verified", LX_tls_certificate_verified },
623 { US"tls_cipher", LX_tls_cipher },
624 { US"tls_peerdn", LX_tls_peerdn }
625 };
626
627 int log_options_count = sizeof(log_options)/sizeof(bit_table);
628 unsigned int log_write_selector= L_default;
629 uschar *log_selector_string = NULL;
630 FILE *log_stderr = NULL;
631 BOOL log_testing_mode = FALSE;
632 BOOL log_timezone = FALSE;
633 uschar *login_sender_address = NULL;
634 int lookup_open_max = 25;
635 uschar *lookup_value = NULL;
636
637 macro_item *macros = NULL;
638 uschar *mailstore_basename = NULL;
639 int max_username_length = 0;
640 int message_age = 0;
641 uschar *message_body = NULL;
642 uschar *message_body_end = NULL;
643 int message_body_size = 0;
644 int message_body_visible = 500;
645 int message_ended = END_NOTSTARTED;
646 uschar *message_headers = NULL;
647 uschar *message_id;
648 uschar *message_id_domain = NULL;
649 uschar *message_id_text = NULL;
650 struct timeval message_id_tv = { 0, 0 };
651 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
652 uschar *message_id_external;
653 int message_linecount = 0;
654 BOOL message_logs = TRUE;
655 int message_size = 0;
656 uschar *message_size_limit = US"50M";
657 uschar message_subdir[2] = { 0, 0 };
658 uschar *message_reference = NULL;
659 BOOL mua_wrapper = FALSE;
660
661 uid_t *never_users = NULL;
662 BOOL no_multiline_responses = FALSE;
663
664 uid_t original_euid;
665 gid_t originator_gid;
666 uschar *originator_login = NULL;
667 uschar *originator_name = NULL;
668 uid_t originator_uid;
669 uschar *override_local_interfaces = NULL;
670 uschar *override_pid_file_path = NULL;
671
672 BOOL parse_allow_group = FALSE;
673 BOOL parse_found_group = FALSE;
674 uschar *percent_hack_domains = NULL;
675 uschar *pid_file_path = US PID_FILE_PATH
676 "\0<--------------Space to patch pid_file_path->";
677 uschar *pipelining_advertise_hosts = US"*";
678 BOOL preserve_message_logs = FALSE;
679 uschar *primary_hostname = NULL;
680 BOOL print_topbitchars = FALSE;
681 uschar process_info[PROCESS_INFO_SIZE];
682 uschar *process_log_path = NULL;
683 BOOL prod_requires_admin = TRUE;
684
685 uschar *qualify_domain_recipient = NULL;
686 uschar *qualify_domain_sender = NULL;
687 BOOL queue_2stage = FALSE;
688 uschar *queue_domains = NULL;
689 int queue_interval = -1;
690 BOOL queue_list_requires_admin = TRUE;
691 BOOL queue_only = FALSE;
692 uschar *queue_only_file = NULL;
693 int queue_only_load = -1;
694 BOOL queue_only_override = TRUE;
695 BOOL queue_only_policy = FALSE;
696 BOOL queue_run_first_delivery = FALSE;
697 BOOL queue_run_force = FALSE;
698 BOOL queue_run_in_order = FALSE;
699 BOOL queue_run_local = FALSE;
700 int queue_run_max = 5;
701 pid_t queue_run_pid = (pid_t)0;
702 int queue_run_pipe = -1;
703 BOOL queue_running = FALSE;
704 BOOL queue_smtp = FALSE;
705 uschar *queue_smtp_domains = NULL;
706
707 unsigned int random_seed = 0;
708 uschar *raw_active_hostname = NULL;
709 uschar *raw_sender = NULL;
710 uschar **raw_recipients = NULL;
711 int raw_recipients_count = 0;
712
713 int rcpt_count = 0;
714 int rcpt_fail_count = 0;
715 int rcpt_defer_count = 0;
716 gid_t real_gid;
717 uid_t real_uid;
718 BOOL really_exim = TRUE;
719 BOOL receive_call_bombout = FALSE;
720 int receive_linecount = 0;
721 int receive_messagecount = 0;
722 int receive_timeout = 0;
723 int received_count = 0;
724 uschar *received_for = NULL;
725
726 /* This is the default text for Received headers generated by Exim. The
727 date will be automatically added on the end. */
728
729 uschar *received_header_text = US
730 "Received: "
731 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
732 "{${if def:sender_ident {from $sender_ident }}"
733 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
734 "by $primary_hostname "
735 "${if def:received_protocol {with $received_protocol}} "
736 #ifdef SUPPORT_TLS
737 "${if def:tls_cipher {($tls_cipher)\n\t}}"
738 #endif
739 "(Exim $version_number)\n\t"
740 "id $message_id"
741 "${if def:received_for {\n\tfor $received_for}}"
742 "\0<---------------Space to patch received_header_text->";
743
744 int received_headers_max = 30;
745 uschar *received_protocol = NULL;
746 int received_time = 0;
747 uschar *recipient_data = NULL;
748 uschar *recipient_unqualified_hosts = NULL;
749 uschar *recipient_verify_failure = NULL;
750 int recipients_count = 0;
751 BOOL recipients_discarded = FALSE;
752 recipient_item *recipients_list = NULL;
753 int recipients_list_max = 0;
754 int recipients_max = 0;
755 BOOL recipients_max_reject = FALSE;
756 const pcre *regex_AUTH = NULL;
757 const pcre *regex_check_dns_names = NULL;
758 const pcre *regex_From = NULL;
759 const pcre *regex_PIPELINING = NULL;
760 const pcre *regex_SIZE = NULL;
761 const pcre *regex_ismsgid = NULL;
762 int remote_delivery_count = 0;
763 int remote_max_parallel = 2;
764 uschar *remote_sort_domains = NULL;
765 int retry_data_expire = 7*24*60*60;
766 int retry_interval_max = 24*60*60;
767 int retry_maximum_timeout = 0; /* set from retry config */
768 retry_config *retries = NULL;
769 uschar *return_path = NULL;
770 BOOL return_path_remove = TRUE;
771 int rewrite_existflags = 0;
772 uschar *rfc1413_hosts = US"*";
773 int rfc1413_query_timeout = 30;
774 /* BOOL rfc821_domains = FALSE; <<< on the way out */
775 uid_t root_uid = ROOT_UID;
776
777 router_instance *routers = NULL;
778 router_instance router_defaults = {
779 NULL, /* chain pointer */
780 NULL, /* name */
781 NULL, /* info */
782 NULL, /* private options block pointer */
783 NULL, /* driver name */
784
785 NULL, /* address_data */
786 NULL, /* cannot_route_message */
787 NULL, /* condition */
788 NULL, /* current_directory */
789 NULL, /* debug_string */
790 NULL, /* domains */
791 NULL, /* errors_to */
792 NULL, /* expand_gid */
793 NULL, /* expand_uid */
794 NULL, /* expand_more */
795 NULL, /* expand_unseen */
796 NULL, /* extra_headers */
797 NULL, /* fallback_hosts */
798 NULL, /* home_directory */
799 NULL, /* ignore_target_hosts */
800 NULL, /* local_parts */
801 NULL, /* pass_router_name */
802 NULL, /* prefix */
803 NULL, /* redirect_router_name */
804 NULL, /* remove_headers */
805 NULL, /* require_files */
806 NULL, /* router_home_directory */
807 US"freeze", /* self */
808 NULL, /* senders */
809 NULL, /* suffix */
810 NULL, /* translate_ip_address */
811 NULL, /* transport_name */
812
813 TRUE, /* address_test */
814 TRUE, /* expn */
815 FALSE, /* caseful_local_part */
816 FALSE, /* check_local_user */
817 FALSE, /* disable_logging */
818 FALSE, /* fail_verify_recipient */
819 FALSE, /* fail_verify_sender */
820 FALSE, /* gid_set */
821 FALSE, /* initgroups */
822 TRUE_UNSET, /* log_as_local */
823 TRUE, /* more */
824 FALSE, /* pass_on_timeout */
825 FALSE, /* prefix_optional */
826 TRUE, /* repeat_use */
827 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
828 FALSE, /* same_domain_copy_routing */
829 FALSE, /* self_rewrite */
830 FALSE, /* suffix_optional */
831 FALSE, /* verify_only */
832 TRUE, /* verify_recipient */
833 TRUE, /* verify_sender */
834 FALSE, /* uid_set */
835 FALSE, /* unseen */
836
837 self_freeze, /* self_code */
838 (uid_t)(-1), /* uid */
839 (gid_t)(-1), /* gid */
840
841 NULL, /* fallback_hostlist */
842 NULL, /* transport instance */
843 NULL, /* pass_router */
844 NULL /* redirect_router */
845 };
846
847 ip_address_item *running_interfaces = NULL;
848 BOOL running_in_test_harness = FALSE;
849
850 /* This is a weird one. The following string gets patched in the binary by the
851 script that sets up a copy of Exim for running in the test harness. It seems
852 that compilers are now clever, and share constant strings if they can.
853 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
854 make use of the end of this string in order to save space. So the patching then
855 wrecks this. We default this optimization by adding some additional characters
856 onto the end of the string. */
857
858 uschar *running_status = US">>>running<<<" "\0EXTRA";
859
860 int runrc = 0;
861
862 uschar *search_error_message = NULL;
863 BOOL search_find_defer = FALSE;
864 uschar *self_hostname = NULL;
865 uschar *sender_address = NULL;
866 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
867 uschar *sender_address_data = NULL;
868 BOOL sender_address_forced = FALSE;
869 uschar *sender_address_unrewritten = NULL;
870 uschar *sender_data = NULL;
871 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
872 uschar *sender_fullhost = NULL;
873 uschar *sender_helo_name = NULL;
874 uschar **sender_host_aliases = &no_aliases;
875 uschar *sender_host_address = NULL;
876 uschar *sender_host_authenticated = NULL;
877 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
878 uschar *sender_host_name = NULL;
879 int sender_host_port = 0;
880 BOOL sender_host_notsocket = FALSE;
881 BOOL sender_host_unknown = FALSE;
882 uschar *sender_ident = NULL;
883 BOOL sender_local = FALSE;
884 uschar *sender_rcvhost = NULL;
885 BOOL sender_set_untrusted = FALSE;
886 uschar *sender_unqualified_hosts = NULL;
887 uschar *sender_verify_failure = NULL;
888 address_item *sender_verified_list = NULL;
889 address_item *sender_verified_failed = NULL;
890 int sender_verified_rc = -1;
891 BOOL sender_verified_responded = FALSE;
892 volatile BOOL sigalrm_seen = FALSE;
893 uschar **sighup_argv = NULL;
894 int smtp_accept_count = 0;
895 BOOL smtp_accept_keepalive = TRUE;
896 int smtp_accept_max = 20;
897 int smtp_accept_max_nonmail= 10;
898 uschar *smtp_accept_max_nonmail_hosts = US"*";
899 int smtp_accept_max_per_connection = 1000;
900 uschar *smtp_accept_max_per_host = NULL;
901 int smtp_accept_queue = 0;
902 int smtp_accept_queue_per_connection = 10;
903 int smtp_accept_reserve = 0;
904 uschar *smtp_active_hostname = NULL;
905 BOOL smtp_authenticated = FALSE;
906 uschar *smtp_banner = US"$primary_hostname ESMTP "
907 "Exim $version_number $tod_full"
908 "\0<---------------Space to patch smtp_banner->";
909 BOOL smtp_batched_input = FALSE;
910 BOOL smtp_check_spool_space = TRUE;
911 uschar *smtp_command_argument = NULL;
912 int smtp_connect_backlog = 20;
913 double smtp_delay_mail = 0.0;
914 double smtp_delay_rcpt = 0.0;
915 BOOL smtp_enforce_sync = TRUE;
916 FILE *smtp_in = NULL;
917 BOOL smtp_input = FALSE;
918 int smtp_load_reserve = -1;
919 int smtp_mailcmd_count = 0;
920 FILE *smtp_out = NULL;
921 uschar *smtp_etrn_command = NULL;
922 BOOL smtp_etrn_serialize = TRUE;
923 int smtp_max_synprot_errors= 3;
924 int smtp_max_unknown_commands = 3;
925 uschar *smtp_ratelimit_hosts = NULL;
926 uschar *smtp_ratelimit_mail = NULL;
927 uschar *smtp_ratelimit_rcpt = NULL;
928 uschar *smtp_read_error = US"";
929 int smtp_receive_timeout = 5*60;
930 uschar *smtp_reserve_hosts = NULL;
931 BOOL smtp_return_error_details = FALSE;
932 int smtp_rlm_base = 0;
933 double smtp_rlm_factor = 0.0;
934 int smtp_rlm_limit = 0;
935 int smtp_rlm_threshold = INT_MAX;
936 int smtp_rlr_base = 0;
937 double smtp_rlr_factor = 0.0;
938 int smtp_rlr_limit = 0;
939 int smtp_rlr_threshold = INT_MAX;
940 BOOL smtp_use_pipelining = FALSE;
941 BOOL smtp_use_size = FALSE;
942 BOOL split_spool_directory = FALSE;
943 uschar *spool_directory = US SPOOL_DIRECTORY
944 "\0<--------------Space to patch spool_directory->";
945 int string_datestamp_offset= -1;
946 BOOL strip_excess_angle_brackets = FALSE;
947 BOOL strip_trailing_dot = FALSE;
948 uschar *submission_domain = NULL;
949 BOOL submission_mode = FALSE;
950 BOOL synchronous_delivery = FALSE;
951 BOOL syslog_duplication = TRUE;
952 int syslog_facility = LOG_MAIL;
953 uschar *syslog_processname = US"exim";
954 BOOL syslog_timestamp = TRUE;
955 uschar *system_filter = NULL;
956
957 uschar *system_filter_directory_transport = NULL;
958 uschar *system_filter_file_transport = NULL;
959 uschar *system_filter_pipe_transport = NULL;
960 uschar *system_filter_reply_transport = NULL;
961
962 gid_t system_filter_gid = 0;
963 BOOL system_filter_gid_set = FALSE;
964 uid_t system_filter_uid = 0;
965 BOOL system_filter_uid_set = FALSE;
966 BOOL system_filtering = FALSE;
967
968 BOOL tcp_nodelay = TRUE;
969 int thismessage_size_limit = 0;
970 int timeout_frozen_after = 0;
971 BOOL timestamps_utc = FALSE;
972
973 transport_instance *transports = NULL;
974
975 transport_instance transport_defaults = {
976 NULL, /* chain pointer */
977 NULL, /* name */
978 NULL, /* info */
979 NULL, /* private options block pointer */
980 NULL, /* driver name */
981 NULL, /* setup entry point */
982 1, /* batch_max */
983 NULL, /* batch_id */
984 NULL, /* home_dir */
985 NULL, /* current_dir */
986 TRUE, /* multi-domain */
987 FALSE, /* overrides_hosts */
988 100, /* max_addresses */
989 500, /* connection_max_messages */
990 FALSE, /* deliver_as_creator */
991 FALSE, /* disable_logging */
992 FALSE, /* initgroups */
993 FALSE, /* uid_set */
994 FALSE, /* gid_set */
995 (uid_t)(-1), /* uid */
996 (gid_t)(-1), /* gid */
997 NULL, /* expand_uid */
998 NULL, /* expand_gid */
999 NULL, /* warn_message */
1000 NULL, /* shadow */
1001 NULL, /* shadow_condition */
1002 NULL, /* filter_command */
1003 NULL, /* add_headers */
1004 NULL, /* remove_headers */
1005 NULL, /* return_path */
1006 NULL, /* debug_string */
1007 NULL, /* message_size_limit */
1008 NULL, /* headers_rewrite */
1009 NULL, /* rewrite_rules */
1010 0, /* rewrite_existflags */
1011 300, /* filter_timeout */
1012 FALSE, /* body_only */
1013 FALSE, /* delivery_date_add */
1014 FALSE, /* envelope_to_add */
1015 FALSE, /* headers_only */
1016 FALSE, /* rcpt_include_affixes */
1017 FALSE, /* return_path_add */
1018 FALSE, /* return_output */
1019 FALSE, /* return_fail_output */
1020 FALSE, /* log_output */
1021 FALSE, /* log_fail_output */
1022 FALSE, /* log_defer_output */
1023 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1024 1 nor 0 so can detect unset */
1025 };
1026
1027 int transport_count;
1028 uschar **transport_filter_argv = NULL;
1029 int transport_filter_timeout;
1030 int transport_write_timeout= 0;
1031
1032 tree_node *tree_dns_fails = NULL;
1033 tree_node *tree_duplicates = NULL;
1034 tree_node *tree_nonrecipients = NULL;
1035 tree_node *tree_unusable = NULL;
1036
1037 BOOL trusted_caller = FALSE;
1038 gid_t *trusted_groups = NULL;
1039 uid_t *trusted_users = NULL;
1040 uschar *timezone_string = US TIMEZONE_DEFAULT;
1041
1042 uschar *unknown_login = NULL;
1043 uschar *unknown_username = NULL;
1044 uschar *untrusted_set_sender = NULL;
1045
1046 /* A regex for matching a "From_" line in an incoming message, in the form
1047
1048 From ph10 Fri Jan 5 12:35 GMT 1996
1049
1050 which the "mail" commands send to the MTA (undocumented, of course), or in
1051 the form
1052
1053 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1054
1055 which is apparently used by some UUCPs, despite it not being in RFC 976.
1056 Because of variations in time formats, just match up to the minutes. That
1057 should be sufficient. Examples have been seen of time fields like 12:1:03,
1058 so just require one digit for hours and minutes. The weekday is also absent
1059 in some forms. */
1060
1061 uschar *uucp_from_pattern = US
1062 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1063 "(?:" /* Non-extracting bracket */
1064 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1065 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1066 ")" /* End alternation */
1067 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1068
1069 uschar *uucp_from_sender = US"$1";
1070
1071 uschar *warn_message_file = NULL;
1072 uschar *warnmsg_delay = NULL;
1073 uschar *warnmsg_recipients = NULL;
1074 BOOL write_rejectlog = TRUE;
1075
1076 uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1077 uschar *version_date = US"?";
1078 uschar *version_cnumber = US"????";
1079 uschar *version_string = US"?";
1080
1081 int warning_count = 0;
1082
1083 /* End of globals.c */
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