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Added log_selector=+queue_time_overall.
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.7 2004/11/24 14:38:13 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 uschar *filter_test = NULL;
480 uschar *filter_thisaddress = NULL;
481 int finduser_retries = 0;
482 uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
483 uschar *freeze_tell = NULL;
484 uschar *fudged_queue_times = US"";
485
486 uschar *gecos_name = NULL;
487 uschar *gecos_pattern = NULL;
488 rewrite_rule *global_rewrite_rules = NULL;
489
490 uschar *headers_charset = US HEADERS_CHARSET;
491 int header_insert_maxlen = 64 * 1024;
492 header_line *header_last = NULL;
493 header_line *header_list = NULL;
494 int header_maxsize = HEADER_MAXSIZE;
495 int header_line_maxsize = 0;
496
497 header_name header_names[] = {
498 { US"bcc", 3, TRUE, htype_bcc },
499 { US"cc", 2, TRUE, htype_cc },
500 { US"date", 4, TRUE, htype_date },
501 { US"delivery-date", 13, FALSE, htype_delivery_date },
502 { US"envelope-to", 11, FALSE, htype_envelope_to },
503 { US"from", 4, TRUE, htype_from },
504 { US"message-id", 10, TRUE, htype_id },
505 { US"received", 8, FALSE, htype_received },
506 { US"reply-to", 8, FALSE, htype_reply_to },
507 { US"return-path", 11, FALSE, htype_return_path },
508 { US"sender", 6, TRUE, htype_sender },
509 { US"subject", 7, FALSE, htype_subject },
510 { US"to", 2, TRUE, htype_to }
511 };
512
513 int header_names_size = sizeof(header_names)/sizeof(header_name);
514
515 BOOL header_rewritten = FALSE;
516 uschar *helo_accept_junk_hosts = NULL;
517 uschar *helo_allow_chars = US"";
518 uschar *helo_lookup_domains = US"@ : @[]";
519 uschar *helo_try_verify_hosts = NULL;
520 BOOL helo_verified = FALSE;
521 uschar *helo_verify_hosts = NULL;
522 uschar *hex_digits = US"0123456789abcdef";
523 uschar *hold_domains = NULL;
524 BOOL host_checking = FALSE;
525 BOOL host_checking_callout = FALSE;
526 uschar *host_data = NULL;
527 BOOL host_find_failed_syntax= FALSE;
528 uschar *host_lookup = NULL;
529 BOOL host_lookup_failed = FALSE;
530 uschar *host_lookup_order = US"bydns:byaddr";
531 uschar *host_lookup_msg = US"";
532 int host_number = 0;
533 uschar *host_number_string = NULL;
534 uschar *host_reject_connection = NULL;
535 tree_node *hostlist_anchor = NULL;
536 int hostlist_count = 0;
537 uschar *hosts_treat_as_local = NULL;
538 uschar *hosts_connection_nolog = NULL;
539
540 int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
541 BOOL ignore_fromline_local = FALSE;
542 uschar *ignore_fromline_hosts = NULL;
543 uschar *interface_address = NULL;
544 int interface_port = -1;
545 BOOL is_inetd = FALSE;
546
547 int journal_fd = -1;
548
549 int keep_malformed = 4*24*60*60; /* 4 days */
550
551 uschar *eldap_dn = NULL;
552 int load_average = -2;
553 BOOL local_error_message = FALSE;
554 BOOL local_from_check = TRUE;
555 uschar *local_from_prefix = NULL;
556 uschar *local_from_suffix = NULL;
557
558 #if HAVE_IPV6
559 uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
560 #else
561 uschar *local_interfaces = US"0.0.0.0";
562 #endif
563
564 uschar *local_scan_data = NULL;
565 int local_scan_timeout = 5*60;
566 BOOL local_sender_retain = FALSE;
567 gid_t local_user_gid = (gid_t)(-1);
568 uid_t local_user_uid = (uid_t)(-1);
569
570 tree_node *localpartlist_anchor= NULL;
571 int localpartlist_count = 0;
572 uschar *log_buffer = NULL;
573 unsigned int log_extra_selector = LX_default;
574 uschar *log_file_path = US LOG_FILE_PATH
575 "\0<--------------Space to patch log_file_path->";
576
577 /* Those log options with L_xxx identifiers have values less than 0x800000 and
578 are the ones that get put into log_write_selector. They can be used in calls to
579 log_write() to test for the bit. The options with LX_xxx identifiers have
580 values greater than 0x80000000 and are put int log_extra_selector (without the
581 top bit). They are never used in calls to log_write(), but are tested
582 independently. This separation became necessary when the number of log
583 selectors was getting close to filling a 32-bit word. */
584
585 bit_table log_options[] = {
586 { US"address_rewrite", L_address_rewrite },
587 { US"all", L_all },
588 { US"all_parents", L_all_parents },
589 { US"arguments", LX_arguments },
590 { US"connection_reject", L_connection_reject },
591 { US"delay_delivery", L_delay_delivery },
592 { US"deliver_time", LX_deliver_time },
593 { US"delivery_size", LX_delivery_size },
594 { US"dnslist_defer", L_dnslist_defer },
595 { US"etrn", L_etrn },
596 { US"host_lookup_failed", L_host_lookup_failed },
597 { US"ident_timeout", LX_ident_timeout },
598 { US"incoming_interface", LX_incoming_interface },
599 { US"incoming_port", LX_incoming_port },
600 { US"lost_incoming_connection", L_lost_incoming_connection },
601 { US"outgoing_port", LX_outgoing_port },
602 { US"queue_run", L_queue_run },
603 { US"queue_time", LX_queue_time },
604 { US"queue_time_overall", LX_queue_time_overall },
605 { US"received_recipients", LX_received_recipients },
606 { US"received_sender", LX_received_sender },
607 { US"rejected_header", LX_rejected_header },
608 { US"rejected_headers", LX_rejected_header },
609 { US"retry_defer", L_retry_defer },
610 { US"return_path_on_delivery", LX_return_path_on_delivery },
611 { US"sender_on_delivery", LX_sender_on_delivery },
612 { US"size_reject", L_size_reject },
613 { US"skip_delivery", L_skip_delivery },
614 { US"smtp_confirmation", LX_smtp_confirmation },
615 { US"smtp_connection", L_smtp_connection },
616 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
617 { US"smtp_protocol_error", L_smtp_protocol_error },
618 { US"smtp_syntax_error", L_smtp_syntax_error },
619 { US"subject", LX_subject },
620 { US"tls_certificate_verified", LX_tls_certificate_verified },
621 { US"tls_cipher", LX_tls_cipher },
622 { US"tls_peerdn", LX_tls_peerdn }
623 };
624
625 int log_options_count = sizeof(log_options)/sizeof(bit_table);
626 unsigned int log_write_selector= L_default;
627 uschar *log_selector_string = NULL;
628 FILE *log_stderr = NULL;
629 BOOL log_testing_mode = FALSE;
630 BOOL log_timezone = FALSE;
631 uschar *login_sender_address = NULL;
632 int lookup_open_max = 25;
633 uschar *lookup_value = NULL;
634
635 macro_item *macros = NULL;
636 uschar *mailstore_basename = NULL;
637 int max_username_length = 0;
638 int message_age = 0;
639 uschar *message_body = NULL;
640 uschar *message_body_end = NULL;
641 int message_body_size = 0;
642 int message_body_visible = 500;
643 int message_ended = END_NOTSTARTED;
644 uschar *message_headers = NULL;
645 uschar *message_id;
646 uschar *message_id_domain = NULL;
647 uschar *message_id_text = NULL;
648 struct timeval message_id_tv = { 0, 0 };
649 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
650 uschar *message_id_external;
651 int message_linecount = 0;
652 BOOL message_logs = TRUE;
653 int message_size = 0;
654 uschar *message_size_limit = US"50M";
655 uschar message_subdir[2] = { 0, 0 };
656 uschar *message_reference = NULL;
657 BOOL mua_wrapper = FALSE;
658
659 uid_t *never_users = NULL;
660 BOOL no_multiline_responses = FALSE;
661
662 uid_t original_euid;
663 gid_t originator_gid;
664 uschar *originator_login = NULL;
665 uschar *originator_name = NULL;
666 uid_t originator_uid;
667 uschar *override_local_interfaces = NULL;
668 uschar *override_pid_file_path = NULL;
669
670 BOOL parse_allow_group = FALSE;
671 BOOL parse_found_group = FALSE;
672 uschar *percent_hack_domains = NULL;
673 uschar *pid_file_path = US PID_FILE_PATH
674 "\0<--------------Space to patch pid_file_path->";
675 uschar *pipelining_advertise_hosts = US"*";
676 BOOL preserve_message_logs = FALSE;
677 uschar *primary_hostname = NULL;
678 BOOL print_topbitchars = FALSE;
679 uschar process_info[PROCESS_INFO_SIZE];
680 uschar *process_log_path = NULL;
681 BOOL prod_requires_admin = TRUE;
682
683 uschar *qualify_domain_recipient = NULL;
684 uschar *qualify_domain_sender = NULL;
685 BOOL queue_2stage = FALSE;
686 uschar *queue_domains = NULL;
687 int queue_interval = -1;
688 BOOL queue_list_requires_admin = TRUE;
689 BOOL queue_only = FALSE;
690 uschar *queue_only_file = NULL;
691 int queue_only_load = -1;
692 BOOL queue_only_override = TRUE;
693 BOOL queue_only_policy = FALSE;
694 BOOL queue_run_first_delivery = FALSE;
695 BOOL queue_run_force = FALSE;
696 BOOL queue_run_in_order = FALSE;
697 BOOL queue_run_local = FALSE;
698 int queue_run_max = 5;
699 pid_t queue_run_pid = (pid_t)0;
700 int queue_run_pipe = -1;
701 BOOL queue_running = FALSE;
702 BOOL queue_smtp = FALSE;
703 uschar *queue_smtp_domains = NULL;
704
705 unsigned int random_seed = 0;
706 uschar *raw_active_hostname = NULL;
707 uschar *raw_sender = NULL;
708 uschar **raw_recipients = NULL;
709 int raw_recipients_count = 0;
710
711 int rcpt_count = 0;
712 int rcpt_fail_count = 0;
713 int rcpt_defer_count = 0;
714 gid_t real_gid;
715 uid_t real_uid;
716 BOOL really_exim = TRUE;
717 BOOL receive_call_bombout = FALSE;
718 int receive_linecount = 0;
719 int receive_messagecount = 0;
720 int receive_timeout = 0;
721 int received_count = 0;
722 uschar *received_for = NULL;
723
724 /* This is the default text for Received headers generated by Exim. The
725 date will be automatically added on the end. */
726
727 uschar *received_header_text = US
728 "Received: "
729 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
730 "{${if def:sender_ident {from $sender_ident }}"
731 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
732 "by $primary_hostname "
733 "${if def:received_protocol {with $received_protocol}} "
734 #ifdef SUPPORT_TLS
735 "${if def:tls_cipher {($tls_cipher)\n\t}}"
736 #endif
737 "(Exim $version_number)\n\t"
738 "id $message_id"
739 "${if def:received_for {\n\tfor $received_for}}"
740 "\0<---------------Space to patch received_header_text->";
741
742 int received_headers_max = 30;
743 uschar *received_protocol = NULL;
744 int received_time = 0;
745 uschar *recipient_data = NULL;
746 uschar *recipient_unqualified_hosts = NULL;
747 uschar *recipient_verify_failure = NULL;
748 int recipients_count = 0;
749 BOOL recipients_discarded = FALSE;
750 recipient_item *recipients_list = NULL;
751 int recipients_list_max = 0;
752 int recipients_max = 0;
753 BOOL recipients_max_reject = FALSE;
754 const pcre *regex_AUTH = NULL;
755 const pcre *regex_check_dns_names = NULL;
756 const pcre *regex_From = NULL;
757 const pcre *regex_PIPELINING = NULL;
758 const pcre *regex_SIZE = NULL;
759 const pcre *regex_ismsgid = NULL;
760 int remote_delivery_count = 0;
761 int remote_max_parallel = 2;
762 uschar *remote_sort_domains = NULL;
763 int retry_data_expire = 7*24*60*60;
764 int retry_interval_max = 24*60*60;
765 int retry_maximum_timeout = 0; /* set from retry config */
766 retry_config *retries = NULL;
767 uschar *return_path = NULL;
768 BOOL return_path_remove = TRUE;
769 int rewrite_existflags = 0;
770 uschar *rfc1413_hosts = US"*";
771 int rfc1413_query_timeout = 30;
772 /* BOOL rfc821_domains = FALSE; <<< on the way out */
773 uid_t root_uid = ROOT_UID;
774
775 router_instance *routers = NULL;
776 router_instance router_defaults = {
777 NULL, /* chain pointer */
778 NULL, /* name */
779 NULL, /* info */
780 NULL, /* private options block pointer */
781 NULL, /* driver name */
782
783 NULL, /* address_data */
784 NULL, /* cannot_route_message */
785 NULL, /* condition */
786 NULL, /* current_directory */
787 NULL, /* debug_string */
788 NULL, /* domains */
789 NULL, /* errors_to */
790 NULL, /* expand_gid */
791 NULL, /* expand_uid */
792 NULL, /* expand_more */
793 NULL, /* expand_unseen */
794 NULL, /* extra_headers */
795 NULL, /* fallback_hosts */
796 NULL, /* home_directory */
797 NULL, /* ignore_target_hosts */
798 NULL, /* local_parts */
799 NULL, /* pass_router_name */
800 NULL, /* prefix */
801 NULL, /* redirect_router_name */
802 NULL, /* remove_headers */
803 NULL, /* require_files */
804 NULL, /* router_home_directory */
805 US"freeze", /* self */
806 NULL, /* senders */
807 NULL, /* suffix */
808 NULL, /* translate_ip_address */
809 NULL, /* transport_name */
810
811 TRUE, /* address_test */
812 TRUE, /* expn */
813 FALSE, /* caseful_local_part */
814 FALSE, /* check_local_user */
815 FALSE, /* disable_logging */
816 FALSE, /* fail_verify_recipient */
817 FALSE, /* fail_verify_sender */
818 FALSE, /* gid_set */
819 FALSE, /* initgroups */
820 TRUE_UNSET, /* log_as_local */
821 TRUE, /* more */
822 FALSE, /* pass_on_timeout */
823 FALSE, /* prefix_optional */
824 TRUE, /* repeat_use */
825 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
826 FALSE, /* same_domain_copy_routing */
827 FALSE, /* self_rewrite */
828 FALSE, /* suffix_optional */
829 FALSE, /* verify_only */
830 TRUE, /* verify_recipient */
831 TRUE, /* verify_sender */
832 FALSE, /* uid_set */
833 FALSE, /* unseen */
834
835 self_freeze, /* self_code */
836 (uid_t)(-1), /* uid */
837 (gid_t)(-1), /* gid */
838
839 NULL, /* fallback_hostlist */
840 NULL, /* transport instance */
841 NULL, /* pass_router */
842 NULL /* redirect_router */
843 };
844
845 ip_address_item *running_interfaces = NULL;
846 BOOL running_in_test_harness = FALSE;
847
848 /* This is a weird one. The following string gets patched in the binary by the
849 script that sets up a copy of Exim for running in the test harness. It seems
850 that compilers are now clever, and share constant strings if they can.
851 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
852 make use of the end of this string in order to save space. So the patching then
853 wrecks this. We default this optimization by adding some additional characters
854 onto the end of the string. */
855
856 uschar *running_status = US">>>running<<<" "\0EXTRA";
857
858 int runrc = 0;
859
860 uschar *search_error_message = NULL;
861 BOOL search_find_defer = FALSE;
862 uschar *self_hostname = NULL;
863 uschar *sender_address = NULL;
864 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
865 uschar *sender_address_data = NULL;
866 BOOL sender_address_forced = FALSE;
867 uschar *sender_address_unrewritten = NULL;
868 uschar *sender_data = NULL;
869 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
870 uschar *sender_fullhost = NULL;
871 uschar *sender_helo_name = NULL;
872 uschar **sender_host_aliases = &no_aliases;
873 uschar *sender_host_address = NULL;
874 uschar *sender_host_authenticated = NULL;
875 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
876 uschar *sender_host_name = NULL;
877 int sender_host_port = 0;
878 BOOL sender_host_notsocket = FALSE;
879 BOOL sender_host_unknown = FALSE;
880 uschar *sender_ident = NULL;
881 BOOL sender_local = FALSE;
882 uschar *sender_rcvhost = NULL;
883 BOOL sender_set_untrusted = FALSE;
884 uschar *sender_unqualified_hosts = NULL;
885 uschar *sender_verify_failure = NULL;
886 address_item *sender_verified_list = NULL;
887 address_item *sender_verified_failed = NULL;
888 int sender_verified_rc = -1;
889 BOOL sender_verified_responded = FALSE;
890 volatile BOOL sigalrm_seen = FALSE;
891 uschar **sighup_argv = NULL;
892 int smtp_accept_count = 0;
893 BOOL smtp_accept_keepalive = TRUE;
894 int smtp_accept_max = 20;
895 int smtp_accept_max_nonmail= 10;
896 uschar *smtp_accept_max_nonmail_hosts = US"*";
897 int smtp_accept_max_per_connection = 1000;
898 uschar *smtp_accept_max_per_host = NULL;
899 int smtp_accept_queue = 0;
900 int smtp_accept_queue_per_connection = 10;
901 int smtp_accept_reserve = 0;
902 uschar *smtp_active_hostname = NULL;
903 BOOL smtp_authenticated = FALSE;
904 uschar *smtp_banner = US"$primary_hostname ESMTP "
905 "Exim $version_number $tod_full"
906 "\0<---------------Space to patch smtp_banner->";
907 BOOL smtp_batched_input = FALSE;
908 BOOL smtp_check_spool_space = TRUE;
909 uschar *smtp_command_argument = NULL;
910 int smtp_connect_backlog = 20;
911 double smtp_delay_mail = 0.0;
912 double smtp_delay_rcpt = 0.0;
913 BOOL smtp_enforce_sync = TRUE;
914 FILE *smtp_in = NULL;
915 BOOL smtp_input = FALSE;
916 int smtp_load_reserve = -1;
917 int smtp_mailcmd_count = 0;
918 FILE *smtp_out = NULL;
919 uschar *smtp_etrn_command = NULL;
920 BOOL smtp_etrn_serialize = TRUE;
921 int smtp_max_synprot_errors= 3;
922 int smtp_max_unknown_commands = 3;
923 uschar *smtp_ratelimit_hosts = NULL;
924 uschar *smtp_ratelimit_mail = NULL;
925 uschar *smtp_ratelimit_rcpt = NULL;
926 uschar *smtp_read_error = US"";
927 int smtp_receive_timeout = 5*60;
928 uschar *smtp_reserve_hosts = NULL;
929 BOOL smtp_return_error_details = FALSE;
930 int smtp_rlm_base = 0;
931 double smtp_rlm_factor = 0.0;
932 int smtp_rlm_limit = 0;
933 int smtp_rlm_threshold = INT_MAX;
934 int smtp_rlr_base = 0;
935 double smtp_rlr_factor = 0.0;
936 int smtp_rlr_limit = 0;
937 int smtp_rlr_threshold = INT_MAX;
938 BOOL smtp_use_pipelining = FALSE;
939 BOOL smtp_use_size = FALSE;
940 BOOL split_spool_directory = FALSE;
941 uschar *spool_directory = US SPOOL_DIRECTORY
942 "\0<--------------Space to patch spool_directory->";
943 int string_datestamp_offset= -1;
944 BOOL strip_excess_angle_brackets = FALSE;
945 BOOL strip_trailing_dot = FALSE;
946 uschar *submission_domain = NULL;
947 BOOL submission_mode = FALSE;
948 BOOL synchronous_delivery = FALSE;
949 BOOL syslog_duplication = TRUE;
950 int syslog_facility = LOG_MAIL;
951 uschar *syslog_processname = US"exim";
952 BOOL syslog_timestamp = TRUE;
953 uschar *system_filter = NULL;
954
955 uschar *system_filter_directory_transport = NULL;
956 uschar *system_filter_file_transport = NULL;
957 uschar *system_filter_pipe_transport = NULL;
958 uschar *system_filter_reply_transport = NULL;
959
960 gid_t system_filter_gid = 0;
961 BOOL system_filter_gid_set = FALSE;
962 uid_t system_filter_uid = 0;
963 BOOL system_filter_uid_set = FALSE;
964 BOOL system_filtering = FALSE;
965
966 BOOL tcp_nodelay = TRUE;
967 int thismessage_size_limit = 0;
968 int timeout_frozen_after = 0;
969 BOOL timestamps_utc = FALSE;
970
971 transport_instance *transports = NULL;
972
973 transport_instance transport_defaults = {
974 NULL, /* chain pointer */
975 NULL, /* name */
976 NULL, /* info */
977 NULL, /* private options block pointer */
978 NULL, /* driver name */
979 NULL, /* setup entry point */
980 1, /* batch_max */
981 NULL, /* batch_id */
982 NULL, /* home_dir */
983 NULL, /* current_dir */
984 TRUE, /* multi-domain */
985 FALSE, /* overrides_hosts */
986 100, /* max_addresses */
987 500, /* connection_max_messages */
988 FALSE, /* deliver_as_creator */
989 FALSE, /* disable_logging */
990 FALSE, /* initgroups */
991 FALSE, /* uid_set */
992 FALSE, /* gid_set */
993 (uid_t)(-1), /* uid */
994 (gid_t)(-1), /* gid */
995 NULL, /* expand_uid */
996 NULL, /* expand_gid */
997 NULL, /* warn_message */
998 NULL, /* shadow */
999 NULL, /* shadow_condition */
1000 NULL, /* filter_command */
1001 NULL, /* add_headers */
1002 NULL, /* remove_headers */
1003 NULL, /* return_path */
1004 NULL, /* debug_string */
1005 NULL, /* message_size_limit */
1006 NULL, /* headers_rewrite */
1007 NULL, /* rewrite_rules */
1008 0, /* rewrite_existflags */
1009 300, /* filter_timeout */
1010 FALSE, /* body_only */
1011 FALSE, /* delivery_date_add */
1012 FALSE, /* envelope_to_add */
1013 FALSE, /* headers_only */
1014 FALSE, /* rcpt_include_affixes */
1015 FALSE, /* return_path_add */
1016 FALSE, /* return_output */
1017 FALSE, /* return_fail_output */
1018 FALSE, /* log_output */
1019 FALSE, /* log_fail_output */
1020 FALSE, /* log_defer_output */
1021 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1022 1 nor 0 so can detect unset */
1023 };
1024
1025 int transport_count;
1026 uschar **transport_filter_argv = NULL;
1027 int transport_filter_timeout;
1028 int transport_write_timeout= 0;
1029
1030 tree_node *tree_dns_fails = NULL;
1031 tree_node *tree_duplicates = NULL;
1032 tree_node *tree_nonrecipients = NULL;
1033 tree_node *tree_unusable = NULL;
1034
1035 BOOL trusted_caller = FALSE;
1036 gid_t *trusted_groups = NULL;
1037 uid_t *trusted_users = NULL;
1038 uschar *timezone_string = US TIMEZONE_DEFAULT;
1039
1040 uschar *unknown_login = NULL;
1041 uschar *unknown_username = NULL;
1042 uschar *untrusted_set_sender = NULL;
1043
1044 /* A regex for matching a "From_" line in an incoming message, in the form
1045
1046 From ph10 Fri Jan 5 12:35 GMT 1996
1047
1048 which the "mail" commands send to the MTA (undocumented, of course), or in
1049 the form
1050
1051 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1052
1053 which is apparently used by some UUCPs, despite it not being in RFC 976.
1054 Because of variations in time formats, just match up to the minutes. That
1055 should be sufficient. Examples have been seen of time fields like 12:1:03,
1056 so just require one digit for hours and minutes. The weekday is also absent
1057 in some forms. */
1058
1059 uschar *uucp_from_pattern = US
1060 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1061 "(?:" /* Non-extracting bracket */
1062 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1063 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1064 ")" /* End alternation */
1065 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1066
1067 uschar *uucp_from_sender = US"$1";
1068
1069 uschar *warn_message_file = NULL;
1070 uschar *warnmsg_delay = NULL;
1071 uschar *warnmsg_recipients = NULL;
1072 BOOL write_rejectlog = TRUE;
1073
1074 uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1075 uschar *version_date = US"?";
1076 uschar *version_cnumber = US"????";
1077 uschar *version_string = US"?";
1078
1079 int warning_count = 0;
1080
1081 /* End of globals.c */
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