Added -dd for daemon debugging.
[exim.git] / src / src / globals.c
1 /* $Cambridge: exim/src/src/globals.c,v 1.6 2004/11/10 10:29:56 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"received_recipients", LX_received_recipients },
605 { US"received_sender", LX_received_sender },
606 { US"rejected_header", LX_rejected_header },
607 { US"rejected_headers", LX_rejected_header },
608 { US"retry_defer", L_retry_defer },
609 { US"return_path_on_delivery", LX_return_path_on_delivery },
610 { US"sender_on_delivery", LX_sender_on_delivery },
611 { US"size_reject", L_size_reject },
612 { US"skip_delivery", L_skip_delivery },
613 { US"smtp_confirmation", LX_smtp_confirmation },
614 { US"smtp_connection", L_smtp_connection },
615 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
616 { US"smtp_protocol_error", L_smtp_protocol_error },
617 { US"smtp_syntax_error", L_smtp_syntax_error },
618 { US"subject", LX_subject },
619 { US"tls_certificate_verified", LX_tls_certificate_verified },
620 { US"tls_cipher", LX_tls_cipher },
621 { US"tls_peerdn", LX_tls_peerdn }
622 };
623
624 int log_options_count = sizeof(log_options)/sizeof(bit_table);
625 unsigned int log_write_selector= L_default;
626 uschar *log_selector_string = NULL;
627 FILE *log_stderr = NULL;
628 BOOL log_testing_mode = FALSE;
629 BOOL log_timezone = FALSE;
630 uschar *login_sender_address = NULL;
631 int lookup_open_max = 25;
632 uschar *lookup_value = NULL;
633
634 macro_item *macros = NULL;
635 uschar *mailstore_basename = NULL;
636 int max_username_length = 0;
637 int message_age = 0;
638 uschar *message_body = NULL;
639 uschar *message_body_end = NULL;
640 int message_body_size = 0;
641 int message_body_visible = 500;
642 int message_ended = END_NOTSTARTED;
643 uschar *message_headers = NULL;
644 uschar *message_id;
645 uschar *message_id_domain = NULL;
646 uschar *message_id_text = NULL;
647 struct timeval message_id_tv = { 0, 0 };
648 uschar message_id_option[MESSAGE_ID_LENGTH + 3];
649 uschar *message_id_external;
650 int message_linecount = 0;
651 BOOL message_logs = TRUE;
652 int message_size = 0;
653 uschar *message_size_limit = US"50M";
654 uschar message_subdir[2] = { 0, 0 };
655 uschar *message_reference = NULL;
656 BOOL mua_wrapper = FALSE;
657
658 uid_t *never_users = NULL;
659 BOOL no_multiline_responses = FALSE;
660
661 uid_t original_euid;
662 gid_t originator_gid;
663 uschar *originator_login = NULL;
664 uschar *originator_name = NULL;
665 uid_t originator_uid;
666 uschar *override_local_interfaces = NULL;
667 uschar *override_pid_file_path = NULL;
668
669 BOOL parse_allow_group = FALSE;
670 BOOL parse_found_group = FALSE;
671 uschar *percent_hack_domains = NULL;
672 uschar *pid_file_path = US PID_FILE_PATH
673 "\0<--------------Space to patch pid_file_path->";
674 uschar *pipelining_advertise_hosts = US"*";
675 BOOL preserve_message_logs = FALSE;
676 uschar *primary_hostname = NULL;
677 BOOL print_topbitchars = FALSE;
678 uschar process_info[PROCESS_INFO_SIZE];
679 uschar *process_log_path = NULL;
680 BOOL prod_requires_admin = TRUE;
681
682 uschar *qualify_domain_recipient = NULL;
683 uschar *qualify_domain_sender = NULL;
684 BOOL queue_2stage = FALSE;
685 uschar *queue_domains = NULL;
686 int queue_interval = -1;
687 BOOL queue_list_requires_admin = TRUE;
688 BOOL queue_only = FALSE;
689 uschar *queue_only_file = NULL;
690 int queue_only_load = -1;
691 BOOL queue_only_override = TRUE;
692 BOOL queue_only_policy = FALSE;
693 BOOL queue_run_first_delivery = FALSE;
694 BOOL queue_run_force = FALSE;
695 BOOL queue_run_in_order = FALSE;
696 BOOL queue_run_local = FALSE;
697 int queue_run_max = 5;
698 pid_t queue_run_pid = (pid_t)0;
699 int queue_run_pipe = -1;
700 BOOL queue_running = FALSE;
701 BOOL queue_smtp = FALSE;
702 uschar *queue_smtp_domains = NULL;
703
704 unsigned int random_seed = 0;
705 uschar *raw_active_hostname = NULL;
706 uschar *raw_sender = NULL;
707 uschar **raw_recipients = NULL;
708 int raw_recipients_count = 0;
709
710 int rcpt_count = 0;
711 int rcpt_fail_count = 0;
712 int rcpt_defer_count = 0;
713 gid_t real_gid;
714 uid_t real_uid;
715 BOOL really_exim = TRUE;
716 BOOL receive_call_bombout = FALSE;
717 int receive_linecount = 0;
718 int receive_messagecount = 0;
719 int receive_timeout = 0;
720 int received_count = 0;
721 uschar *received_for = NULL;
722
723 /* This is the default text for Received headers generated by Exim. The
724 date will be automatically added on the end. */
725
726 uschar *received_header_text = US
727 "Received: "
728 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
729 "{${if def:sender_ident {from $sender_ident }}"
730 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
731 "by $primary_hostname "
732 "${if def:received_protocol {with $received_protocol}} "
733 #ifdef SUPPORT_TLS
734 "${if def:tls_cipher {($tls_cipher)\n\t}}"
735 #endif
736 "(Exim $version_number)\n\t"
737 "id $message_id"
738 "${if def:received_for {\n\tfor $received_for}}"
739 "\0<---------------Space to patch received_header_text->";
740
741 int received_headers_max = 30;
742 uschar *received_protocol = NULL;
743 int received_time = 0;
744 uschar *recipient_data = NULL;
745 uschar *recipient_unqualified_hosts = NULL;
746 uschar *recipient_verify_failure = NULL;
747 int recipients_count = 0;
748 BOOL recipients_discarded = FALSE;
749 recipient_item *recipients_list = NULL;
750 int recipients_list_max = 0;
751 int recipients_max = 0;
752 BOOL recipients_max_reject = FALSE;
753 const pcre *regex_AUTH = NULL;
754 const pcre *regex_check_dns_names = NULL;
755 const pcre *regex_From = NULL;
756 const pcre *regex_PIPELINING = NULL;
757 const pcre *regex_SIZE = NULL;
758 const pcre *regex_ismsgid = NULL;
759 int remote_delivery_count = 0;
760 int remote_max_parallel = 2;
761 uschar *remote_sort_domains = NULL;
762 int retry_data_expire = 7*24*60*60;
763 int retry_interval_max = 24*60*60;
764 int retry_maximum_timeout = 0; /* set from retry config */
765 retry_config *retries = NULL;
766 uschar *return_path = NULL;
767 BOOL return_path_remove = TRUE;
768 int rewrite_existflags = 0;
769 uschar *rfc1413_hosts = US"*";
770 int rfc1413_query_timeout = 30;
771 /* BOOL rfc821_domains = FALSE; <<< on the way out */
772 uid_t root_uid = ROOT_UID;
773
774 router_instance *routers = NULL;
775 router_instance router_defaults = {
776 NULL, /* chain pointer */
777 NULL, /* name */
778 NULL, /* info */
779 NULL, /* private options block pointer */
780 NULL, /* driver name */
781
782 NULL, /* address_data */
783 NULL, /* cannot_route_message */
784 NULL, /* condition */
785 NULL, /* current_directory */
786 NULL, /* debug_string */
787 NULL, /* domains */
788 NULL, /* errors_to */
789 NULL, /* expand_gid */
790 NULL, /* expand_uid */
791 NULL, /* expand_more */
792 NULL, /* expand_unseen */
793 NULL, /* extra_headers */
794 NULL, /* fallback_hosts */
795 NULL, /* home_directory */
796 NULL, /* ignore_target_hosts */
797 NULL, /* local_parts */
798 NULL, /* pass_router_name */
799 NULL, /* prefix */
800 NULL, /* redirect_router_name */
801 NULL, /* remove_headers */
802 NULL, /* require_files */
803 NULL, /* router_home_directory */
804 US"freeze", /* self */
805 NULL, /* senders */
806 NULL, /* suffix */
807 NULL, /* translate_ip_address */
808 NULL, /* transport_name */
809
810 TRUE, /* address_test */
811 TRUE, /* expn */
812 FALSE, /* caseful_local_part */
813 FALSE, /* check_local_user */
814 FALSE, /* disable_logging */
815 FALSE, /* fail_verify_recipient */
816 FALSE, /* fail_verify_sender */
817 FALSE, /* gid_set */
818 FALSE, /* initgroups */
819 TRUE_UNSET, /* log_as_local */
820 TRUE, /* more */
821 FALSE, /* pass_on_timeout */
822 FALSE, /* prefix_optional */
823 TRUE, /* repeat_use */
824 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
825 FALSE, /* same_domain_copy_routing */
826 FALSE, /* self_rewrite */
827 FALSE, /* suffix_optional */
828 FALSE, /* verify_only */
829 TRUE, /* verify_recipient */
830 TRUE, /* verify_sender */
831 FALSE, /* uid_set */
832 FALSE, /* unseen */
833
834 self_freeze, /* self_code */
835 (uid_t)(-1), /* uid */
836 (gid_t)(-1), /* gid */
837
838 NULL, /* fallback_hostlist */
839 NULL, /* transport instance */
840 NULL, /* pass_router */
841 NULL /* redirect_router */
842 };
843
844 ip_address_item *running_interfaces = NULL;
845 BOOL running_in_test_harness = FALSE;
846
847 /* This is a weird one. The following string gets patched in the binary by the
848 script that sets up a copy of Exim for running in the test harness. It seems
849 that compilers are now clever, and share constant strings if they can.
850 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
851 make use of the end of this string in order to save space. So the patching then
852 wrecks this. We default this optimization by adding some additional characters
853 onto the end of the string. */
854
855 uschar *running_status = US">>>running<<<" "\0EXTRA";
856
857 int runrc = 0;
858
859 uschar *search_error_message = NULL;
860 BOOL search_find_defer = FALSE;
861 uschar *self_hostname = NULL;
862 uschar *sender_address = NULL;
863 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
864 uschar *sender_address_data = NULL;
865 BOOL sender_address_forced = FALSE;
866 uschar *sender_address_unrewritten = NULL;
867 uschar *sender_data = NULL;
868 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
869 uschar *sender_fullhost = NULL;
870 uschar *sender_helo_name = NULL;
871 uschar **sender_host_aliases = &no_aliases;
872 uschar *sender_host_address = NULL;
873 uschar *sender_host_authenticated = NULL;
874 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
875 uschar *sender_host_name = NULL;
876 int sender_host_port = 0;
877 BOOL sender_host_notsocket = FALSE;
878 BOOL sender_host_unknown = FALSE;
879 uschar *sender_ident = NULL;
880 BOOL sender_local = FALSE;
881 uschar *sender_rcvhost = NULL;
882 BOOL sender_set_untrusted = FALSE;
883 uschar *sender_unqualified_hosts = NULL;
884 uschar *sender_verify_failure = NULL;
885 address_item *sender_verified_list = NULL;
886 address_item *sender_verified_failed = NULL;
887 int sender_verified_rc = -1;
888 BOOL sender_verified_responded = FALSE;
889 volatile BOOL sigalrm_seen = FALSE;
890 uschar **sighup_argv = NULL;
891 int smtp_accept_count = 0;
892 BOOL smtp_accept_keepalive = TRUE;
893 int smtp_accept_max = 20;
894 int smtp_accept_max_nonmail= 10;
895 uschar *smtp_accept_max_nonmail_hosts = US"*";
896 int smtp_accept_max_per_connection = 1000;
897 uschar *smtp_accept_max_per_host = NULL;
898 int smtp_accept_queue = 0;
899 int smtp_accept_queue_per_connection = 10;
900 int smtp_accept_reserve = 0;
901 uschar *smtp_active_hostname = NULL;
902 BOOL smtp_authenticated = FALSE;
903 uschar *smtp_banner = US"$primary_hostname ESMTP "
904 "Exim $version_number $tod_full"
905 "\0<---------------Space to patch smtp_banner->";
906 BOOL smtp_batched_input = FALSE;
907 BOOL smtp_check_spool_space = TRUE;
908 uschar *smtp_command_argument = NULL;
909 int smtp_connect_backlog = 20;
910 double smtp_delay_mail = 0.0;
911 double smtp_delay_rcpt = 0.0;
912 BOOL smtp_enforce_sync = TRUE;
913 FILE *smtp_in = NULL;
914 BOOL smtp_input = FALSE;
915 int smtp_load_reserve = -1;
916 int smtp_mailcmd_count = 0;
917 FILE *smtp_out = NULL;
918 uschar *smtp_etrn_command = NULL;
919 BOOL smtp_etrn_serialize = TRUE;
920 int smtp_max_synprot_errors= 3;
921 int smtp_max_unknown_commands = 3;
922 uschar *smtp_ratelimit_hosts = NULL;
923 uschar *smtp_ratelimit_mail = NULL;
924 uschar *smtp_ratelimit_rcpt = NULL;
925 uschar *smtp_read_error = US"";
926 int smtp_receive_timeout = 5*60;
927 uschar *smtp_reserve_hosts = NULL;
928 BOOL smtp_return_error_details = FALSE;
929 int smtp_rlm_base = 0;
930 double smtp_rlm_factor = 0.0;
931 int smtp_rlm_limit = 0;
932 int smtp_rlm_threshold = INT_MAX;
933 int smtp_rlr_base = 0;
934 double smtp_rlr_factor = 0.0;
935 int smtp_rlr_limit = 0;
936 int smtp_rlr_threshold = INT_MAX;
937 BOOL smtp_use_pipelining = FALSE;
938 BOOL smtp_use_size = FALSE;
939 BOOL split_spool_directory = FALSE;
940 uschar *spool_directory = US SPOOL_DIRECTORY
941 "\0<--------------Space to patch spool_directory->";
942 int string_datestamp_offset= -1;
943 BOOL strip_excess_angle_brackets = FALSE;
944 BOOL strip_trailing_dot = FALSE;
945 uschar *submission_domain = NULL;
946 BOOL submission_mode = FALSE;
947 BOOL synchronous_delivery = FALSE;
948 BOOL syslog_duplication = TRUE;
949 int syslog_facility = LOG_MAIL;
950 uschar *syslog_processname = US"exim";
951 BOOL syslog_timestamp = TRUE;
952 uschar *system_filter = NULL;
953
954 uschar *system_filter_directory_transport = NULL;
955 uschar *system_filter_file_transport = NULL;
956 uschar *system_filter_pipe_transport = NULL;
957 uschar *system_filter_reply_transport = NULL;
958
959 gid_t system_filter_gid = 0;
960 BOOL system_filter_gid_set = FALSE;
961 uid_t system_filter_uid = 0;
962 BOOL system_filter_uid_set = FALSE;
963 BOOL system_filtering = FALSE;
964
965 BOOL tcp_nodelay = TRUE;
966 int thismessage_size_limit = 0;
967 int timeout_frozen_after = 0;
968 BOOL timestamps_utc = FALSE;
969
970 transport_instance *transports = NULL;
971
972 transport_instance transport_defaults = {
973 NULL, /* chain pointer */
974 NULL, /* name */
975 NULL, /* info */
976 NULL, /* private options block pointer */
977 NULL, /* driver name */
978 NULL, /* setup entry point */
979 1, /* batch_max */
980 NULL, /* batch_id */
981 NULL, /* home_dir */
982 NULL, /* current_dir */
983 TRUE, /* multi-domain */
984 FALSE, /* overrides_hosts */
985 100, /* max_addresses */
986 500, /* connection_max_messages */
987 FALSE, /* deliver_as_creator */
988 FALSE, /* disable_logging */
989 FALSE, /* initgroups */
990 FALSE, /* uid_set */
991 FALSE, /* gid_set */
992 (uid_t)(-1), /* uid */
993 (gid_t)(-1), /* gid */
994 NULL, /* expand_uid */
995 NULL, /* expand_gid */
996 NULL, /* warn_message */
997 NULL, /* shadow */
998 NULL, /* shadow_condition */
999 NULL, /* filter_command */
1000 NULL, /* add_headers */
1001 NULL, /* remove_headers */
1002 NULL, /* return_path */
1003 NULL, /* debug_string */
1004 NULL, /* message_size_limit */
1005 NULL, /* headers_rewrite */
1006 NULL, /* rewrite_rules */
1007 0, /* rewrite_existflags */
1008 300, /* filter_timeout */
1009 FALSE, /* body_only */
1010 FALSE, /* delivery_date_add */
1011 FALSE, /* envelope_to_add */
1012 FALSE, /* headers_only */
1013 FALSE, /* rcpt_include_affixes */
1014 FALSE, /* return_path_add */
1015 FALSE, /* return_output */
1016 FALSE, /* return_fail_output */
1017 FALSE, /* log_output */
1018 FALSE, /* log_fail_output */
1019 FALSE, /* log_defer_output */
1020 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1021 1 nor 0 so can detect unset */
1022 };
1023
1024 int transport_count;
1025 uschar **transport_filter_argv = NULL;
1026 int transport_filter_timeout;
1027 int transport_write_timeout= 0;
1028
1029 tree_node *tree_dns_fails = NULL;
1030 tree_node *tree_duplicates = NULL;
1031 tree_node *tree_nonrecipients = NULL;
1032 tree_node *tree_unusable = NULL;
1033
1034 BOOL trusted_caller = FALSE;
1035 gid_t *trusted_groups = NULL;
1036 uid_t *trusted_users = NULL;
1037 uschar *timezone_string = US TIMEZONE_DEFAULT;
1038
1039 uschar *unknown_login = NULL;
1040 uschar *unknown_username = NULL;
1041 uschar *untrusted_set_sender = NULL;
1042
1043 /* A regex for matching a "From_" line in an incoming message, in the form
1044
1045 From ph10 Fri Jan 5 12:35 GMT 1996
1046
1047 which the "mail" commands send to the MTA (undocumented, of course), or in
1048 the form
1049
1050 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1051
1052 which is apparently used by some UUCPs, despite it not being in RFC 976.
1053 Because of variations in time formats, just match up to the minutes. That
1054 should be sufficient. Examples have been seen of time fields like 12:1:03,
1055 so just require one digit for hours and minutes. The weekday is also absent
1056 in some forms. */
1057
1058 uschar *uucp_from_pattern = US
1059 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1060 "(?:" /* Non-extracting bracket */
1061 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1062 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1063 ")" /* End alternation */
1064 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1065
1066 uschar *uucp_from_sender = US"$1";
1067
1068 uschar *warn_message_file = NULL;
1069 uschar *warnmsg_delay = NULL;
1070 uschar *warnmsg_recipients = NULL;
1071 BOOL write_rejectlog = TRUE;
1072
1073 uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1074 uschar *version_date = US"?";
1075 uschar *version_cnumber = US"????";
1076 uschar *version_string = US"?";
1077
1078 int warning_count = 0;
1079
1080 /* End of globals.c */