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[exim.git] / src / src / globals.c
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2c7db3f5 1/* $Cambridge: exim/src/src/globals.c,v 1.5 2004/11/05 16:53:28 ph10 Exp $ */
059ec3d9
PH		 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
11that 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
17executable code. It says
18
19Warning: Linking some objects which contain exception information sections
20 and some which do not. This may cause fatal runtime exception handling
21 problems.
22
23As this may cause people to worry needlessly, include a dummy function here
24to stop the message from appearing. Make it reference itself to stop picky
25compilers complaining that it is unused, and put in a dummy argument to stop
26even pickier compilers complaining about infinite loops. */
27
28static void dummy(int x) { dummy(x-1); }
29
30
31/* Generic options for auths, all of which live inside auth_instance
32data blocks and hence have the opt_public flag set. */
33
34optionlist 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
49int optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
50
51/* An empty host aliases list. */
52
53uschar *no_aliases = NULL;
54
55
56/* For comments on these variables, see globals.h. I'm too idle to
57duplicate them here... */
58
59#ifdef EXIM_PERL
60uschar *opt_perl_startup = NULL;
61BOOL opt_perl_at_start = FALSE;
62BOOL opt_perl_started = FALSE;
63#endif
64
65#ifdef LOOKUP_IBASE
66uschar *ibase_servers = NULL;
67#endif
68
69#ifdef LOOKUP_LDAP
70uschar *eldap_default_servers = NULL;
71int eldap_version = -1;
72#endif
73
74#ifdef LOOKUP_MYSQL
75uschar *mysql_servers = NULL;
76#endif
77
78#ifdef LOOKUP_ORACLE
79uschar *oracle_servers = NULL;
80#endif
81
82#ifdef LOOKUP_PGSQL
83uschar *pgsql_servers = NULL;
84#endif
85
86#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
87BOOL move_frozen_messages = FALSE;
88#endif
89
90/* These variables are outside the #ifdef because it keeps the code less
91cluttered in several places (e.g. during logging) if we can always refer to
92them. Also, the tls_ variables are now always visible. */
93
94BOOL tls_active = -1;
95BOOL tls_certificate_verified = FALSE;
96uschar *tls_cipher = NULL;
97BOOL tls_on_connect = FALSE;
98uschar *tls_on_connect_ports = NULL;
99uschar *tls_peerdn = NULL;
100
101#ifdef SUPPORT_TLS
102const pcre *regex_STARTTLS = NULL;
103uschar *tls_advertise_hosts = NULL; /* This is deliberate */
104uschar *tls_certificate = NULL;
105uschar *tls_crl = NULL;
106uschar *tls_dhparam = NULL;
107BOOL tls_offered = FALSE;
108uschar *tls_privatekey = NULL;
109BOOL tls_remember_esmtp = FALSE;
110uschar *tls_require_ciphers = NULL;
111uschar *tls_try_verify_hosts = NULL;
112uschar *tls_verify_certificates= NULL;
113uschar *tls_verify_hosts = NULL;
114#endif
115
116
117/* Input-reading functions for messages, so we can use special ones for
118incoming TCP/IP. The defaults use stdin. We never need these for any
119stand-alone tests. */
120
121#ifndef STAND_ALONE
122int (*receive_getc)(void) = stdin_getc;
123int (*receive_ungetc)(int) = stdin_ungetc;
124int (*receive_feof)(void) = stdin_feof;
125int (*receive_ferror)(void) = stdin_ferror;
126#endif
127
128
129/* List of per-address expansion variables for clearing and saving/restoring
130when verifying one address while routing/verifying another. We have to have
131the size explicit, because it is referenced from more than one module. */
132
133uschar **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
153int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
154
155/* General global variables */
156
157tree_node *acl_anchor = NULL;
158uschar *acl_not_smtp = NULL;
159uschar *acl_smtp_auth = NULL;
160uschar *acl_smtp_connect = NULL;
161uschar *acl_smtp_data = NULL;
162uschar *acl_smtp_etrn = NULL;
163uschar *acl_smtp_expn = NULL;
164uschar *acl_smtp_helo = NULL;
165uschar *acl_smtp_mail = NULL;
166uschar *acl_smtp_mailauth = NULL;
167uschar *acl_smtp_predata = NULL;
168uschar *acl_smtp_quit = NULL;
169uschar *acl_smtp_rcpt = NULL;
170uschar *acl_smtp_starttls = NULL;
171uschar *acl_smtp_vrfy = NULL;
172BOOL acl_temp_details = FALSE;
173uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
174uschar *acl_verify_message = NULL;
175header_line *acl_warn_headers = NULL;
176string_item *acl_warn_logged = NULL;
177
178/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
179error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
180
181uschar *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
197int 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 };
69358f02
PH		 212
213BOOL active_local_from_check = FALSE;
214BOOL active_local_sender_retain = FALSE;
059ec3d9
PH		 215BOOL accept_8bitmime = FALSE;
216address_item *addr_duplicate = NULL;
217
218address_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
276uschar *address_file = NULL;
277uschar *address_pipe = NULL;
278BOOL address_test_mode = FALSE;
279tree_node *addresslist_anchor = NULL;
280int addresslist_count = 0;
281gid_t *admin_groups = NULL;
282BOOL admin_user = FALSE;
283BOOL allow_domain_literals = FALSE;
284BOOL allow_mx_to_ip = FALSE;
285BOOL allow_unqualified_recipient = TRUE; /* For local messages */
286BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
287BOOL allow_utf8_domains = FALSE;
288uschar *authenticated_id = NULL;
289uschar *authenticated_sender = NULL;
290BOOL authentication_failed = FALSE;
291auth_instance *auths = NULL;
292uschar *auth_advertise_hosts = US"*";
293auth_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
309uschar *auth_defer_msg = US"reason not recorded";
310uschar *auth_defer_user_msg = US"";
311int auto_thaw = 0;
312
313BOOL background_daemon = TRUE;
314uschar *base62_chars=
315 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
316uschar *bi_command = NULL;
317uschar *big_buffer = NULL;
318int big_buffer_size = BIG_BUFFER_SIZE;
319int body_linecount = 0;
320int body_zerocount = 0;
321uschar *bounce_message_file = NULL;
322uschar *bounce_message_text = NULL;
323uschar *bounce_recipient = NULL;
324BOOL bounce_return_body = TRUE;
325BOOL bounce_return_message = TRUE;
326int bounce_return_size_limit = 100*1024;
327uschar *bounce_sender_authentication = NULL;
328int bsmtp_transaction_linecount = 0;
329
330int callout_cache_domain_positive_expire = 7*24*60*60;
331int callout_cache_domain_negative_expire = 3*60*60;
332int callout_cache_positive_expire = 24*60*60;
333int callout_cache_negative_expire = 2*60*60;
334uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
335uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
336int check_log_inodes = 0;
337int check_log_space = 0;
338int check_spool_inodes = 0;
339int check_spool_space = 0;
340int clmacro_count = 0;
341uschar *clmacros[MAX_CLMACROS];
342BOOL config_changed = FALSE;
343FILE *config_file = NULL;
344uschar *config_filename = NULL;
345int config_lineno = 0;
35edf2ff
PH		 346#ifdef CONFIGURE_GROUP
347gid_t config_gid = CONFIGURE_GROUP;
348#endif
059ec3d9
PH		 349uschar *config_main_filelist = US CONFIGURE_FILE
350 "\0<-----------Space to patch configure_filename->";
351uschar *config_main_filename = NULL;
352
353#ifdef CONFIGURE_OWNER
354uid_t config_uid = CONFIGURE_OWNER;
355#endif
356
357int connection_max_messages= -1;
358uschar *continue_hostname = NULL;
359uschar *continue_host_address = NULL;
360BOOL continue_more = FALSE;
361int continue_sequence = 1;
362uschar *continue_transport = NULL;
363
364BOOL daemon_listen = FALSE;
365uschar *daemon_smtp_port = US"smtp";
366int debug_fd = -1;
367FILE *debug_file = NULL;
368bit_table debug_options[] = {
369 { US"acl", D_acl },
370 { US"all", D_all },
371 { US"auth", D_auth },
372 { US"deliver", D_deliver },
373 { US"dns", D_dns },
374 { US"dnsbl", D_dnsbl },
375 { US"exec", D_exec },
376 { US"expand", D_expand },
377 { US"filter", D_filter },
378 { US"hints_lookup", D_hints_lookup },
379 { US"host_lookup", D_host_lookup },
380 { US"ident", D_ident },
381 { US"interface", D_interface },
382 { US"lists", D_lists },
383 { US"load", D_load },
384 { US"local_scan", D_local_scan },
385 { US"lookup", D_lookup },
386 { US"memory", D_memory },
387 { US"pid", D_pid },
388 { US"process_info", D_process_info },
389 { US"queue_run", D_queue_run },
390 { US"receive", D_receive },
391 { US"resolver", D_resolver },
392 { US"retry", D_retry },
393 { US"rewrite", D_rewrite },
394 { US"route", D_route },
395 { US"timestamp", D_timestamp },
396 { US"tls", D_tls },
397 { US"transport", D_transport },
398 { US"uid", D_uid },
399 { US"verify", D_verify }
400};
401int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
402unsigned int debug_selector = 0;
403int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
404uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
405BOOL delivery_date_remove = TRUE;
406uschar *deliver_address_data = NULL;
407int deliver_datafile = -1;
408uschar *deliver_domain = NULL;
409uschar *deliver_domain_data = NULL;
410uschar *deliver_domain_orig = NULL;
411uschar *deliver_domain_parent = NULL;
412BOOL deliver_drop_privilege = FALSE;
413BOOL deliver_firsttime = FALSE;
414BOOL deliver_force = FALSE;
415BOOL deliver_freeze = FALSE;
416int deliver_frozen_at = 0;
417uschar *deliver_home = NULL;
418uschar *deliver_host = NULL;
419uschar *deliver_host_address = NULL;
420uschar *deliver_in_buffer = NULL;
421ino_t deliver_inode = 0;
422uschar *deliver_localpart = NULL;
423uschar *deliver_localpart_data = NULL;
424uschar *deliver_localpart_orig = NULL;
425uschar *deliver_localpart_parent = NULL;
426uschar *deliver_localpart_prefix = NULL;
427uschar *deliver_localpart_suffix = NULL;
428BOOL deliver_force_thaw = FALSE;
429BOOL deliver_manual_thaw = FALSE;
430uschar *deliver_out_buffer = NULL;
431int deliver_queue_load_max = -1;
432address_item *deliver_recipients = NULL;
433uschar *deliver_selectstring = NULL;
434BOOL deliver_selectstring_regex = FALSE;
435uschar *deliver_selectstring_sender = NULL;
436BOOL deliver_selectstring_sender_regex = FALSE;
437BOOL disable_logging = FALSE;
438
439uschar *dns_again_means_nonexist = NULL;
440uschar *dns_ipv4_lookup = NULL;
441int dns_retrans = 0;
442int dns_retry = 0;
443uschar *dnslist_domain = NULL;
444uschar *dnslist_text = NULL;
445uschar *dnslist_value = NULL;
446tree_node *domainlist_anchor = NULL;
447int domainlist_count = 0;
448BOOL dont_deliver = FALSE;
449BOOL dot_ends = TRUE;
450BOOL drop_cr = FALSE; /* No longer used */
451
452BOOL enable_dollar_recipients = FALSE;
453BOOL envelope_to_remove = TRUE;
454int errno_quota = ERRNO_QUOTA;
455uschar *errors_copy = NULL;
456int error_handling = ERRORS_SENDER;
457uschar *errors_reply_to = NULL;
458int errors_sender_rc = EXIT_FAILURE;
459
460gid_t exim_gid = EXIM_GID;
461BOOL exim_gid_set = TRUE; /* This gid is always set */
462uschar *exim_path = US BIN_DIRECTORY "/exim"
463 "\0<---------------Space to patch exim_path->";
464uid_t exim_uid = EXIM_UID;
465BOOL exim_uid_set = TRUE; /* This uid is always set */
466int expand_forbid = 0;
467int expand_nlength[EXPAND_MAXN+1];
468int expand_nmax = -1;
469uschar *expand_nstring[EXPAND_MAXN+1];
470BOOL expand_string_forcedfail = FALSE;
471uschar *expand_string_message;
472BOOL extract_addresses_remove_arguments = TRUE;
473uschar *extra_local_interfaces = NULL;
474
475int filter_n[FILTER_VARIABLE_COUNT];
476BOOL filter_running = FALSE;
477int filter_sn[FILTER_VARIABLE_COUNT];
478uschar *filter_test = NULL;
479uschar *filter_thisaddress = NULL;
480int finduser_retries = 0;
481uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
482uschar *freeze_tell = NULL;
483uschar *fudged_queue_times = US"";
484
485uschar *gecos_name = NULL;
486uschar *gecos_pattern = NULL;
487rewrite_rule *global_rewrite_rules = NULL;
488
489uschar *headers_charset = US HEADERS_CHARSET;
490int header_insert_maxlen = 64 * 1024;
491header_line *header_last = NULL;
492header_line *header_list = NULL;
493int header_maxsize = HEADER_MAXSIZE;
494int header_line_maxsize = 0;
495
496header_name header_names[] = {
497 { US"bcc", 3, TRUE, htype_bcc },
498 { US"cc", 2, TRUE, htype_cc },
499 { US"date", 4, TRUE, htype_date },
500 { US"delivery-date", 13, FALSE, htype_delivery_date },
501 { US"envelope-to", 11, FALSE, htype_envelope_to },
502 { US"from", 4, TRUE, htype_from },
503 { US"message-id", 10, TRUE, htype_id },
504 { US"received", 8, FALSE, htype_received },
505 { US"reply-to", 8, FALSE, htype_reply_to },
506 { US"return-path", 11, FALSE, htype_return_path },
507 { US"sender", 6, TRUE, htype_sender },
508 { US"subject", 7, FALSE, htype_subject },
509 { US"to", 2, TRUE, htype_to }
510};
511
512int header_names_size = sizeof(header_names)/sizeof(header_name);
513
514BOOL header_rewritten = FALSE;
515uschar *helo_accept_junk_hosts = NULL;
516uschar *helo_allow_chars = US"";
517uschar *helo_lookup_domains = US"@ : @[]";
518uschar *helo_try_verify_hosts = NULL;
519BOOL helo_verified = FALSE;
520uschar *helo_verify_hosts = NULL;
521uschar *hex_digits = US"0123456789abcdef";
522uschar *hold_domains = NULL;
523BOOL host_checking = FALSE;
524BOOL host_checking_callout = FALSE;
525uschar *host_data = NULL;
526BOOL host_find_failed_syntax= FALSE;
527uschar *host_lookup = NULL;
528BOOL host_lookup_failed = FALSE;
529uschar *host_lookup_order = US"bydns:byaddr";
530uschar *host_lookup_msg = US"";
531int host_number = 0;
532uschar *host_number_string = NULL;
533uschar *host_reject_connection = NULL;
534tree_node *hostlist_anchor = NULL;
535int hostlist_count = 0;
536uschar *hosts_treat_as_local = NULL;
537uschar *hosts_connection_nolog = NULL;
538
539int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
540BOOL ignore_fromline_local = FALSE;
541uschar *ignore_fromline_hosts = NULL;
542uschar *interface_address = NULL;
543int interface_port = -1;
544BOOL is_inetd = FALSE;
545
546int journal_fd = -1;
547
548int keep_malformed = 4*24*60*60; /* 4 days */
549
550uschar *eldap_dn = NULL;
551int load_average = -2;
552BOOL local_error_message = FALSE;
553BOOL local_from_check = TRUE;
554uschar *local_from_prefix = NULL;
555uschar *local_from_suffix = NULL;
556
557#if HAVE_IPV6
558uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
559#else
560uschar *local_interfaces = US"0.0.0.0";
561#endif
562
563uschar *local_scan_data = NULL;
564int local_scan_timeout = 5*60;
565BOOL local_sender_retain = FALSE;
566gid_t local_user_gid = (gid_t)(-1);
567uid_t local_user_uid = (uid_t)(-1);
568
569tree_node *localpartlist_anchor= NULL;
570int localpartlist_count = 0;
571uschar *log_buffer = NULL;
572unsigned int log_extra_selector = LX_default;
573uschar *log_file_path = US LOG_FILE_PATH
574 "\0<--------------Space to patch log_file_path->";
575
576/* Those log options with L_xxx identifiers have values less than 0x800000 and
577are the ones that get put into log_write_selector. They can be used in calls to
578log_write() to test for the bit. The options with LX_xxx identifiers have
579values greater than 0x80000000 and are put int log_extra_selector (without the
580top bit). They are never used in calls to log_write(), but are tested
581independently. This separation became necessary when the number of log
582selectors was getting close to filling a 32-bit word. */
583
584bit_table log_options[] = {
585 { US"address_rewrite", L_address_rewrite },
586 { US"all", L_all },
587 { US"all_parents", L_all_parents },
588 { US"arguments", LX_arguments },
589 { US"connection_reject", L_connection_reject },
590 { US"delay_delivery", L_delay_delivery },
591 { US"deliver_time", LX_deliver_time },
592 { US"delivery_size", LX_delivery_size },
593 { US"dnslist_defer", L_dnslist_defer },
594 { US"etrn", L_etrn },
595 { US"host_lookup_failed", L_host_lookup_failed },
596 { US"ident_timeout", LX_ident_timeout },
597 { US"incoming_interface", LX_incoming_interface },
598 { US"incoming_port", LX_incoming_port },
599 { US"lost_incoming_connection", L_lost_incoming_connection },
600 { US"outgoing_port", LX_outgoing_port },
601 { US"queue_run", L_queue_run },
602 { US"queue_time", LX_queue_time },
603 { US"received_recipients", LX_received_recipients },
604 { US"received_sender", LX_received_sender },
605 { US"rejected_header", LX_rejected_header },
606 { US"rejected_headers", LX_rejected_header },
607 { US"retry_defer", L_retry_defer },
608 { US"return_path_on_delivery", LX_return_path_on_delivery },
609 { US"sender_on_delivery", LX_sender_on_delivery },
610 { US"size_reject", L_size_reject },
611 { US"skip_delivery", L_skip_delivery },
612 { US"smtp_confirmation", LX_smtp_confirmation },
613 { US"smtp_connection", L_smtp_connection },
614 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
615 { US"smtp_protocol_error", L_smtp_protocol_error },
616 { US"smtp_syntax_error", L_smtp_syntax_error },
617 { US"subject", LX_subject },
618 { US"tls_certificate_verified", LX_tls_certificate_verified },
619 { US"tls_cipher", LX_tls_cipher },
620 { US"tls_peerdn", LX_tls_peerdn }
621};
622
623int log_options_count = sizeof(log_options)/sizeof(bit_table);
624unsigned int log_write_selector= L_default;
625uschar *log_selector_string = NULL;
626FILE *log_stderr = NULL;
627BOOL log_testing_mode = FALSE;
628BOOL log_timezone = FALSE;
629uschar *login_sender_address = NULL;
630int lookup_open_max = 25;
631uschar *lookup_value = NULL;
632
633macro_item *macros = NULL;
634uschar *mailstore_basename = NULL;
635int max_username_length = 0;
636int message_age = 0;
637uschar *message_body = NULL;
638uschar *message_body_end = NULL;
639int message_body_size = 0;
640int message_body_visible = 500;
641int message_ended = END_NOTSTARTED;
642uschar *message_headers = NULL;
643uschar *message_id;
644uschar *message_id_domain = NULL;
645uschar *message_id_text = NULL;
646struct timeval message_id_tv = { 0, 0 };
647uschar message_id_option[MESSAGE_ID_LENGTH + 3];
648uschar *message_id_external;
649int message_linecount = 0;
650BOOL message_logs = TRUE;
651int message_size = 0;
652uschar *message_size_limit = US"50M";
653uschar message_subdir[2] = { 0, 0 };
654uschar *message_reference = NULL;
655BOOL mua_wrapper = FALSE;
656
657uid_t *never_users = NULL;
658BOOL no_multiline_responses = FALSE;
659
660uid_t original_euid;
661gid_t originator_gid;
662uschar *originator_login = NULL;
663uschar *originator_name = NULL;
664uid_t originator_uid;
665uschar *override_local_interfaces = NULL;
666uschar *override_pid_file_path = NULL;
667
668BOOL parse_allow_group = FALSE;
669BOOL parse_found_group = FALSE;
670uschar *percent_hack_domains = NULL;
671uschar *pid_file_path = US PID_FILE_PATH
672 "\0<--------------Space to patch pid_file_path->";
673uschar *pipelining_advertise_hosts = US"*";
674BOOL preserve_message_logs = FALSE;
675uschar *primary_hostname = NULL;
676BOOL print_topbitchars = FALSE;
677uschar process_info[PROCESS_INFO_SIZE];
678uschar *process_log_path = NULL;
679BOOL prod_requires_admin = TRUE;
680
681uschar *qualify_domain_recipient = NULL;
682uschar *qualify_domain_sender = NULL;
683BOOL queue_2stage = FALSE;
684uschar *queue_domains = NULL;
685int queue_interval = -1;
686BOOL queue_list_requires_admin = TRUE;
687BOOL queue_only = FALSE;
688uschar *queue_only_file = NULL;
689int queue_only_load = -1;
690BOOL queue_only_override = TRUE;
691BOOL queue_only_policy = FALSE;
692BOOL queue_run_first_delivery = FALSE;
693BOOL queue_run_force = FALSE;
694BOOL queue_run_in_order = FALSE;
695BOOL queue_run_local = FALSE;
696int queue_run_max = 5;
697pid_t queue_run_pid = (pid_t)0;
698int queue_run_pipe = -1;
699BOOL queue_running = FALSE;
700BOOL queue_smtp = FALSE;
701uschar *queue_smtp_domains = NULL;
702
703unsigned int random_seed = 0;
704uschar *raw_active_hostname = NULL;
705uschar *raw_sender = NULL;
706uschar **raw_recipients = NULL;
707int raw_recipients_count = 0;
708
709int rcpt_count = 0;
710int rcpt_fail_count = 0;
711int rcpt_defer_count = 0;
712gid_t real_gid;
713uid_t real_uid;
714BOOL really_exim = TRUE;
715BOOL receive_call_bombout = FALSE;
716int receive_linecount = 0;
717int receive_messagecount = 0;
718int receive_timeout = 0;
719int received_count = 0;
720uschar *received_for = NULL;
721
722/* This is the default text for Received headers generated by Exim. The
723date will be automatically added on the end. */
724
725uschar *received_header_text = US
726 "Received: "
727 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
728 "{${if def:sender_ident {from $sender_ident }}"
729 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
730 "by $primary_hostname "
731 "${if def:received_protocol {with $received_protocol}} "
732 #ifdef SUPPORT_TLS
733 "${if def:tls_cipher {($tls_cipher)\n\t}}"
734 #endif
735 "(Exim $version_number)\n\t"
736 "id $message_id"
737 "${if def:received_for {\n\tfor $received_for}}"
738 "\0<---------------Space to patch received_header_text->";
739
740int received_headers_max = 30;
741uschar *received_protocol = NULL;
742int received_time = 0;
743uschar *recipient_data = NULL;
744uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 745uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 746int recipients_count = 0;
747BOOL recipients_discarded = FALSE;
748recipient_item *recipients_list = NULL;
749int recipients_list_max = 0;
750int recipients_max = 0;
751BOOL recipients_max_reject = FALSE;
752const pcre *regex_AUTH = NULL;
753const pcre *regex_check_dns_names = NULL;
754const pcre *regex_From = NULL;
755const pcre *regex_PIPELINING = NULL;
756const pcre *regex_SIZE = NULL;
757const pcre *regex_ismsgid = NULL;
758int remote_delivery_count = 0;
759int remote_max_parallel = 2;
760uschar *remote_sort_domains = NULL;
761int retry_data_expire = 7*24*60*60;
762int retry_interval_max = 24*60*60;
763int retry_maximum_timeout = 0; /* set from retry config */
764retry_config *retries = NULL;
765uschar *return_path = NULL;
766BOOL return_path_remove = TRUE;
767int rewrite_existflags = 0;
768uschar *rfc1413_hosts = US"*";
769int rfc1413_query_timeout = 30;
770/* BOOL rfc821_domains = FALSE; <<< on the way out */
771uid_t root_uid = ROOT_UID;
772
773router_instance *routers = NULL;
774router_instance router_defaults = {
775 NULL, /* chain pointer */
776 NULL, /* name */
777 NULL, /* info */
778 NULL, /* private options block pointer */
779 NULL, /* driver name */
780
781 NULL, /* address_data */
782 NULL, /* cannot_route_message */
783 NULL, /* condition */
784 NULL, /* current_directory */
785 NULL, /* debug_string */
786 NULL, /* domains */
787 NULL, /* errors_to */
788 NULL, /* expand_gid */
789 NULL, /* expand_uid */
790 NULL, /* expand_more */
791 NULL, /* expand_unseen */
792 NULL, /* extra_headers */
793 NULL, /* fallback_hosts */
794 NULL, /* home_directory */
795 NULL, /* ignore_target_hosts */
796 NULL, /* local_parts */
797 NULL, /* pass_router_name */
798 NULL, /* prefix */
799 NULL, /* redirect_router_name */
800 NULL, /* remove_headers */
801 NULL, /* require_files */
802 NULL, /* router_home_directory */
803 US"freeze", /* self */
804 NULL, /* senders */
805 NULL, /* suffix */
806 NULL, /* translate_ip_address */
807 NULL, /* transport_name */
808
809 TRUE, /* address_test */
810 TRUE, /* expn */
811 FALSE, /* caseful_local_part */
812 FALSE, /* check_local_user */
813 FALSE, /* disable_logging */
814 FALSE, /* fail_verify_recipient */
815 FALSE, /* fail_verify_sender */
816 FALSE, /* gid_set */
817 FALSE, /* initgroups */
818 TRUE_UNSET, /* log_as_local */
819 TRUE, /* more */
820 FALSE, /* pass_on_timeout */
821 FALSE, /* prefix_optional */
822 TRUE, /* repeat_use */
823 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
824 FALSE, /* same_domain_copy_routing */
825 FALSE, /* self_rewrite */
826 FALSE, /* suffix_optional */
827 FALSE, /* verify_only */
828 TRUE, /* verify_recipient */
829 TRUE, /* verify_sender */
830 FALSE, /* uid_set */
831 FALSE, /* unseen */
832
833 self_freeze, /* self_code */
834 (uid_t)(-1), /* uid */
835 (gid_t)(-1), /* gid */
836
837 NULL, /* fallback_hostlist */
838 NULL, /* transport instance */
839 NULL, /* pass_router */
840 NULL /* redirect_router */
841};
842
843ip_address_item *running_interfaces = NULL;
844BOOL running_in_test_harness = FALSE;
845
846/* This is a weird one. The following string gets patched in the binary by the
847script that sets up a copy of Exim for running in the test harness. It seems
848that compilers are now clever, and share constant strings if they can.
849Elsewhere in Exim the string "<" is used. The compiler optimization seems to
850make use of the end of this string in order to save space. So the patching then
851wrecks this. We default this optimization by adding some additional characters
852onto the end of the string. */
853
854uschar *running_status = US">>>running<<<" "\0EXTRA";
855
856int runrc = 0;
857
858uschar *search_error_message = NULL;
859BOOL search_find_defer = FALSE;
860uschar *self_hostname = NULL;
861uschar *sender_address = NULL;
862unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 863uschar *sender_address_data = NULL;
059ec3d9
PH		 864BOOL sender_address_forced = FALSE;
865uschar *sender_address_unrewritten = NULL;
866uschar *sender_data = NULL;
867unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
868uschar *sender_fullhost = NULL;
869uschar *sender_helo_name = NULL;
870uschar **sender_host_aliases = &no_aliases;
871uschar *sender_host_address = NULL;
872uschar *sender_host_authenticated = NULL;
873unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
874uschar *sender_host_name = NULL;
875int sender_host_port = 0;
876BOOL sender_host_notsocket = FALSE;
877BOOL sender_host_unknown = FALSE;
878uschar *sender_ident = NULL;
879BOOL sender_local = FALSE;
880uschar *sender_rcvhost = NULL;
881BOOL sender_set_untrusted = FALSE;
882uschar *sender_unqualified_hosts = NULL;
2c7db3f5 883uschar *sender_verify_failure = NULL;
059ec3d9
PH		 884address_item *sender_verified_list = NULL;
885address_item *sender_verified_failed = NULL;
886int sender_verified_rc = -1;
887BOOL sender_verified_responded = FALSE;
888volatile BOOL sigalrm_seen = FALSE;
889uschar **sighup_argv = NULL;
890int smtp_accept_count = 0;
891BOOL smtp_accept_keepalive = TRUE;
892int smtp_accept_max = 20;
893int smtp_accept_max_nonmail= 10;
894uschar *smtp_accept_max_nonmail_hosts = US"*";
895int smtp_accept_max_per_connection = 1000;
896uschar *smtp_accept_max_per_host = NULL;
897int smtp_accept_queue = 0;
898int smtp_accept_queue_per_connection = 10;
899int smtp_accept_reserve = 0;
900uschar *smtp_active_hostname = NULL;
901BOOL smtp_authenticated = FALSE;
902uschar *smtp_banner = US"$primary_hostname ESMTP "
903 "Exim $version_number $tod_full"
904 "\0<---------------Space to patch smtp_banner->";
905BOOL smtp_batched_input = FALSE;
906BOOL smtp_check_spool_space = TRUE;
907uschar *smtp_command_argument = NULL;
908int smtp_connect_backlog = 20;
909double smtp_delay_mail = 0.0;
910double smtp_delay_rcpt = 0.0;
911BOOL smtp_enforce_sync = TRUE;
912FILE *smtp_in = NULL;
913BOOL smtp_input = FALSE;
914int smtp_load_reserve = -1;
915int smtp_mailcmd_count = 0;
916FILE *smtp_out = NULL;
917uschar *smtp_etrn_command = NULL;
918BOOL smtp_etrn_serialize = TRUE;
919int smtp_max_synprot_errors= 3;
920int smtp_max_unknown_commands = 3;
921uschar *smtp_ratelimit_hosts = NULL;
922uschar *smtp_ratelimit_mail = NULL;
923uschar *smtp_ratelimit_rcpt = NULL;
924uschar *smtp_read_error = US"";
925int smtp_receive_timeout = 5*60;
926uschar *smtp_reserve_hosts = NULL;
927BOOL smtp_return_error_details = FALSE;
928int smtp_rlm_base = 0;
929double smtp_rlm_factor = 0.0;
930int smtp_rlm_limit = 0;
931int smtp_rlm_threshold = INT_MAX;
932int smtp_rlr_base = 0;
933double smtp_rlr_factor = 0.0;
934int smtp_rlr_limit = 0;
935int smtp_rlr_threshold = INT_MAX;
936BOOL smtp_use_pipelining = FALSE;
937BOOL smtp_use_size = FALSE;
938BOOL split_spool_directory = FALSE;
939uschar *spool_directory = US SPOOL_DIRECTORY
940 "\0<--------------Space to patch spool_directory->";
941int string_datestamp_offset= -1;
942BOOL strip_excess_angle_brackets = FALSE;
943BOOL strip_trailing_dot = FALSE;
944uschar *submission_domain = NULL;
945BOOL submission_mode = FALSE;
946BOOL synchronous_delivery = FALSE;
947BOOL syslog_duplication = TRUE;
948int syslog_facility = LOG_MAIL;
949uschar *syslog_processname = US"exim";
950BOOL syslog_timestamp = TRUE;
951uschar *system_filter = NULL;
952
953uschar *system_filter_directory_transport = NULL;
954uschar *system_filter_file_transport = NULL;
955uschar *system_filter_pipe_transport = NULL;
956uschar *system_filter_reply_transport = NULL;
957
958gid_t system_filter_gid = 0;
959BOOL system_filter_gid_set = FALSE;
960uid_t system_filter_uid = 0;
961BOOL system_filter_uid_set = FALSE;
962BOOL system_filtering = FALSE;
963
964BOOL tcp_nodelay = TRUE;
965int thismessage_size_limit = 0;
966int timeout_frozen_after = 0;
967BOOL timestamps_utc = FALSE;
968
969transport_instance *transports = NULL;
970
971transport_instance transport_defaults = {
972 NULL, /* chain pointer */
973 NULL, /* name */
974 NULL, /* info */
975 NULL, /* private options block pointer */
976 NULL, /* driver name */
977 NULL, /* setup entry point */
978 1, /* batch_max */
979 NULL, /* batch_id */
980 NULL, /* home_dir */
981 NULL, /* current_dir */
982 TRUE, /* multi-domain */
983 FALSE, /* overrides_hosts */
984 100, /* max_addresses */
985 500, /* connection_max_messages */
986 FALSE, /* deliver_as_creator */
987 FALSE, /* disable_logging */
988 FALSE, /* initgroups */
989 FALSE, /* uid_set */
990 FALSE, /* gid_set */
991 (uid_t)(-1), /* uid */
992 (gid_t)(-1), /* gid */
993 NULL, /* expand_uid */
994 NULL, /* expand_gid */
995 NULL, /* warn_message */
996 NULL, /* shadow */
997 NULL, /* shadow_condition */
998 NULL, /* filter_command */
999 NULL, /* add_headers */
1000 NULL, /* remove_headers */
1001 NULL, /* return_path */
1002 NULL, /* debug_string */
1003 NULL, /* message_size_limit */
1004 NULL, /* headers_rewrite */
1005 NULL, /* rewrite_rules */
1006 0, /* rewrite_existflags */
1007 300, /* filter_timeout */
1008 FALSE, /* body_only */
1009 FALSE, /* delivery_date_add */
1010 FALSE, /* envelope_to_add */
1011 FALSE, /* headers_only */
1012 FALSE, /* rcpt_include_affixes */
1013 FALSE, /* return_path_add */
1014 FALSE, /* return_output */
1015 FALSE, /* return_fail_output */
1016 FALSE, /* log_output */
1017 FALSE, /* log_fail_output */
1018 FALSE, /* log_defer_output */
1019 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1020 1 nor 0 so can detect unset */
1021};
1022
1023int transport_count;
1024uschar **transport_filter_argv = NULL;
1025int transport_filter_timeout;
1026int transport_write_timeout= 0;
1027
1028tree_node *tree_dns_fails = NULL;
1029tree_node *tree_duplicates = NULL;
1030tree_node *tree_nonrecipients = NULL;
1031tree_node *tree_unusable = NULL;
1032
1033BOOL trusted_caller = FALSE;
1034gid_t *trusted_groups = NULL;
1035uid_t *trusted_users = NULL;
1036uschar *timezone_string = US TIMEZONE_DEFAULT;
1037
1038uschar *unknown_login = NULL;
1039uschar *unknown_username = NULL;
1040uschar *untrusted_set_sender = NULL;
1041
1042/* A regex for matching a "From_" line in an incoming message, in the form
1043
1044 From ph10 Fri Jan 5 12:35 GMT 1996
1045
1046which the "mail" commands send to the MTA (undocumented, of course), or in
1047the form
1048
1049 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1050
1051which is apparently used by some UUCPs, despite it not being in RFC 976.
1052Because of variations in time formats, just match up to the minutes. That
1053should be sufficient. Examples have been seen of time fields like 12:1:03,
1054so just require one digit for hours and minutes. The weekday is also absent
1055in some forms. */
1056
1057uschar *uucp_from_pattern = US
1058 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1059 "(?:" /* Non-extracting bracket */
1060 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1061 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1062 ")" /* End alternation */
1063 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1064
1065uschar *uucp_from_sender = US"$1";
1066
1067uschar *warn_message_file = NULL;
1068uschar *warnmsg_delay = NULL;
1069uschar *warnmsg_recipients = NULL;
1070BOOL write_rejectlog = TRUE;
1071
1072uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1073uschar *version_date = US"?";
1074uschar *version_cnumber = US"????";
1075uschar *version_string = US"?";
1076
1077int warning_count = 0;
1078
1079/* End of globals.c */
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