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Added CONFIGURE_GROUP as a build-time facility, cf CONFIGURE_OWNER.
[exim.git] / src / src / globals.c
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35edf2ff 1/* $Cambridge: exim/src/src/globals.c,v 1.2 2004/10/18 09:16:57 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 };
212
213BOOL accept_8bitmime = FALSE;
214address_item *addr_duplicate = NULL;
215
216address_item address_defaults = {
217 NULL, /* next */
218 NULL, /* parent */
219 NULL, /* first */
220 NULL, /* dupof */
221 NULL, /* start_router */
222 NULL, /* router */
223 NULL, /* transport */
224 NULL, /* host_list */
225 NULL, /* host_used */
226 NULL, /* fallback_hosts */
227 NULL, /* reply */
228 NULL, /* retries */
229 NULL, /* address */
230 NULL, /* unique */
231 NULL, /* cc_local_part */
232 NULL, /* lc_local_part */
233 NULL, /* local_part */
234 NULL, /* prefix */
235 NULL, /* suffix */
236 NULL, /* domain */
237 NULL, /* address_retry_key */
238 NULL, /* domain_retry_key */
239 NULL, /* current_dir */
240 NULL, /* home_dir */
241 NULL, /* message */
242 NULL, /* user_message */
243 NULL, /* onetime_parent */
244 NULL, /* pipe_expandn */
245 NULL, /* return_filename */
246 NULL, /* self_hostname */
247 NULL, /* shadow_message */
248 #ifdef SUPPORT_TLS
249 NULL, /* cipher */
250 NULL, /* peerdn */
251 #endif
252 (uid_t)(-1), /* uid */
253 (gid_t)(-1), /* gid */
254 0, /* flags */
255 { 0 }, /* domain_cache - any larger array should be zeroed */
256 { 0 }, /* localpart_cache - ditto */
257 -1, /* mode */
258 0, /* more_errno */
259 ERRNO_UNKNOWNERROR, /* basic_errno */
260 0, /* child_count */
261 -1, /* return_file */
262 SPECIAL_NONE, /* special_action */
263 DEFER, /* transport_return */
264 { /* fields that are propagated to children */
265 NULL, /* address_data */
266 NULL, /* domain_data */
267 NULL, /* localpart_data */
268 NULL, /* errors_address */
269 NULL, /* extra_headers */
270 NULL, /* remove_headers */
271 }
272};
273
274uschar *address_file = NULL;
275uschar *address_pipe = NULL;
276BOOL address_test_mode = FALSE;
277tree_node *addresslist_anchor = NULL;
278int addresslist_count = 0;
279gid_t *admin_groups = NULL;
280BOOL admin_user = FALSE;
281BOOL allow_domain_literals = FALSE;
282BOOL allow_mx_to_ip = FALSE;
283BOOL allow_unqualified_recipient = TRUE; /* For local messages */
284BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
285BOOL allow_utf8_domains = FALSE;
286uschar *authenticated_id = NULL;
287uschar *authenticated_sender = NULL;
288BOOL authentication_failed = FALSE;
289auth_instance *auths = NULL;
290uschar *auth_advertise_hosts = US"*";
291auth_instance auth_defaults = {
292 NULL, /* chain pointer */
293 NULL, /* name */
294 NULL, /* info */
295 NULL, /* private options block pointer */
296 NULL, /* driver_name */
297 NULL, /* advertise_condition */
298 NULL, /* public_name */
299 NULL, /* set_id */
300 NULL, /* server_mail_auth_condition */
301 NULL, /* server_debug_string */
302 FALSE, /* client */
303 FALSE, /* server */
304 FALSE /* advertised */
305};
306
307uschar *auth_defer_msg = US"reason not recorded";
308uschar *auth_defer_user_msg = US"";
309int auto_thaw = 0;
310
311BOOL background_daemon = TRUE;
312uschar *base62_chars=
313 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
314uschar *bi_command = NULL;
315uschar *big_buffer = NULL;
316int big_buffer_size = BIG_BUFFER_SIZE;
317int body_linecount = 0;
318int body_zerocount = 0;
319uschar *bounce_message_file = NULL;
320uschar *bounce_message_text = NULL;
321uschar *bounce_recipient = NULL;
322BOOL bounce_return_body = TRUE;
323BOOL bounce_return_message = TRUE;
324int bounce_return_size_limit = 100*1024;
325uschar *bounce_sender_authentication = NULL;
326int bsmtp_transaction_linecount = 0;
327
328int callout_cache_domain_positive_expire = 7*24*60*60;
329int callout_cache_domain_negative_expire = 3*60*60;
330int callout_cache_positive_expire = 24*60*60;
331int callout_cache_negative_expire = 2*60*60;
332uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
333uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
334int check_log_inodes = 0;
335int check_log_space = 0;
336int check_spool_inodes = 0;
337int check_spool_space = 0;
338int clmacro_count = 0;
339uschar *clmacros[MAX_CLMACROS];
340BOOL config_changed = FALSE;
341FILE *config_file = NULL;
342uschar *config_filename = NULL;
343int config_lineno = 0;
35edf2ff
PH		 344#ifdef CONFIGURE_GROUP
345gid_t config_gid = CONFIGURE_GROUP;
346#endif
059ec3d9
PH		 347uschar *config_main_filelist = US CONFIGURE_FILE
348 "\0<-----------Space to patch configure_filename->";
349uschar *config_main_filename = NULL;
350
351#ifdef CONFIGURE_OWNER
352uid_t config_uid = CONFIGURE_OWNER;
353#endif
354
355int connection_max_messages= -1;
356uschar *continue_hostname = NULL;
357uschar *continue_host_address = NULL;
358BOOL continue_more = FALSE;
359int continue_sequence = 1;
360uschar *continue_transport = NULL;
361
362BOOL daemon_listen = FALSE;
363uschar *daemon_smtp_port = US"smtp";
364int debug_fd = -1;
365FILE *debug_file = NULL;
366bit_table debug_options[] = {
367 { US"acl", D_acl },
368 { US"all", D_all },
369 { US"auth", D_auth },
370 { US"deliver", D_deliver },
371 { US"dns", D_dns },
372 { US"dnsbl", D_dnsbl },
373 { US"exec", D_exec },
374 { US"expand", D_expand },
375 { US"filter", D_filter },
376 { US"hints_lookup", D_hints_lookup },
377 { US"host_lookup", D_host_lookup },
378 { US"ident", D_ident },
379 { US"interface", D_interface },
380 { US"lists", D_lists },
381 { US"load", D_load },
382 { US"local_scan", D_local_scan },
383 { US"lookup", D_lookup },
384 { US"memory", D_memory },
385 { US"pid", D_pid },
386 { US"process_info", D_process_info },
387 { US"queue_run", D_queue_run },
388 { US"receive", D_receive },
389 { US"resolver", D_resolver },
390 { US"retry", D_retry },
391 { US"rewrite", D_rewrite },
392 { US"route", D_route },
393 { US"timestamp", D_timestamp },
394 { US"tls", D_tls },
395 { US"transport", D_transport },
396 { US"uid", D_uid },
397 { US"verify", D_verify }
398};
399int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
400unsigned int debug_selector = 0;
401int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
402uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
403BOOL delivery_date_remove = TRUE;
404uschar *deliver_address_data = NULL;
405int deliver_datafile = -1;
406uschar *deliver_domain = NULL;
407uschar *deliver_domain_data = NULL;
408uschar *deliver_domain_orig = NULL;
409uschar *deliver_domain_parent = NULL;
410BOOL deliver_drop_privilege = FALSE;
411BOOL deliver_firsttime = FALSE;
412BOOL deliver_force = FALSE;
413BOOL deliver_freeze = FALSE;
414int deliver_frozen_at = 0;
415uschar *deliver_home = NULL;
416uschar *deliver_host = NULL;
417uschar *deliver_host_address = NULL;
418uschar *deliver_in_buffer = NULL;
419ino_t deliver_inode = 0;
420uschar *deliver_localpart = NULL;
421uschar *deliver_localpart_data = NULL;
422uschar *deliver_localpart_orig = NULL;
423uschar *deliver_localpart_parent = NULL;
424uschar *deliver_localpart_prefix = NULL;
425uschar *deliver_localpart_suffix = NULL;
426BOOL deliver_force_thaw = FALSE;
427BOOL deliver_manual_thaw = FALSE;
428uschar *deliver_out_buffer = NULL;
429int deliver_queue_load_max = -1;
430address_item *deliver_recipients = NULL;
431uschar *deliver_selectstring = NULL;
432BOOL deliver_selectstring_regex = FALSE;
433uschar *deliver_selectstring_sender = NULL;
434BOOL deliver_selectstring_sender_regex = FALSE;
435BOOL disable_logging = FALSE;
436
437uschar *dns_again_means_nonexist = NULL;
438uschar *dns_ipv4_lookup = NULL;
439int dns_retrans = 0;
440int dns_retry = 0;
441uschar *dnslist_domain = NULL;
442uschar *dnslist_text = NULL;
443uschar *dnslist_value = NULL;
444tree_node *domainlist_anchor = NULL;
445int domainlist_count = 0;
446BOOL dont_deliver = FALSE;
447BOOL dot_ends = TRUE;
448BOOL drop_cr = FALSE; /* No longer used */
449
450BOOL enable_dollar_recipients = FALSE;
451BOOL envelope_to_remove = TRUE;
452int errno_quota = ERRNO_QUOTA;
453uschar *errors_copy = NULL;
454int error_handling = ERRORS_SENDER;
455uschar *errors_reply_to = NULL;
456int errors_sender_rc = EXIT_FAILURE;
457
458gid_t exim_gid = EXIM_GID;
459BOOL exim_gid_set = TRUE; /* This gid is always set */
460uschar *exim_path = US BIN_DIRECTORY "/exim"
461 "\0<---------------Space to patch exim_path->";
462uid_t exim_uid = EXIM_UID;
463BOOL exim_uid_set = TRUE; /* This uid is always set */
464int expand_forbid = 0;
465int expand_nlength[EXPAND_MAXN+1];
466int expand_nmax = -1;
467uschar *expand_nstring[EXPAND_MAXN+1];
468BOOL expand_string_forcedfail = FALSE;
469uschar *expand_string_message;
470BOOL extract_addresses_remove_arguments = TRUE;
471uschar *extra_local_interfaces = NULL;
472
473int filter_n[FILTER_VARIABLE_COUNT];
474BOOL filter_running = FALSE;
475int filter_sn[FILTER_VARIABLE_COUNT];
476uschar *filter_test = NULL;
477uschar *filter_thisaddress = NULL;
478int finduser_retries = 0;
479uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
480uschar *freeze_tell = NULL;
481uschar *fudged_queue_times = US"";
482
483uschar *gecos_name = NULL;
484uschar *gecos_pattern = NULL;
485rewrite_rule *global_rewrite_rules = NULL;
486
487uschar *headers_charset = US HEADERS_CHARSET;
488int header_insert_maxlen = 64 * 1024;
489header_line *header_last = NULL;
490header_line *header_list = NULL;
491int header_maxsize = HEADER_MAXSIZE;
492int header_line_maxsize = 0;
493
494header_name header_names[] = {
495 { US"bcc", 3, TRUE, htype_bcc },
496 { US"cc", 2, TRUE, htype_cc },
497 { US"date", 4, TRUE, htype_date },
498 { US"delivery-date", 13, FALSE, htype_delivery_date },
499 { US"envelope-to", 11, FALSE, htype_envelope_to },
500 { US"from", 4, TRUE, htype_from },
501 { US"message-id", 10, TRUE, htype_id },
502 { US"received", 8, FALSE, htype_received },
503 { US"reply-to", 8, FALSE, htype_reply_to },
504 { US"return-path", 11, FALSE, htype_return_path },
505 { US"sender", 6, TRUE, htype_sender },
506 { US"subject", 7, FALSE, htype_subject },
507 { US"to", 2, TRUE, htype_to }
508};
509
510int header_names_size = sizeof(header_names)/sizeof(header_name);
511
512BOOL header_rewritten = FALSE;
513uschar *helo_accept_junk_hosts = NULL;
514uschar *helo_allow_chars = US"";
515uschar *helo_lookup_domains = US"@ : @[]";
516uschar *helo_try_verify_hosts = NULL;
517BOOL helo_verified = FALSE;
518uschar *helo_verify_hosts = NULL;
519uschar *hex_digits = US"0123456789abcdef";
520uschar *hold_domains = NULL;
521BOOL host_checking = FALSE;
522BOOL host_checking_callout = FALSE;
523uschar *host_data = NULL;
524BOOL host_find_failed_syntax= FALSE;
525uschar *host_lookup = NULL;
526BOOL host_lookup_failed = FALSE;
527uschar *host_lookup_order = US"bydns:byaddr";
528uschar *host_lookup_msg = US"";
529int host_number = 0;
530uschar *host_number_string = NULL;
531uschar *host_reject_connection = NULL;
532tree_node *hostlist_anchor = NULL;
533int hostlist_count = 0;
534uschar *hosts_treat_as_local = NULL;
535uschar *hosts_connection_nolog = NULL;
536
537int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
538BOOL ignore_fromline_local = FALSE;
539uschar *ignore_fromline_hosts = NULL;
540uschar *interface_address = NULL;
541int interface_port = -1;
542BOOL is_inetd = FALSE;
543
544int journal_fd = -1;
545
546int keep_malformed = 4*24*60*60; /* 4 days */
547
548uschar *eldap_dn = NULL;
549int load_average = -2;
550BOOL local_error_message = FALSE;
551BOOL local_from_check = TRUE;
552uschar *local_from_prefix = NULL;
553uschar *local_from_suffix = NULL;
554
555#if HAVE_IPV6
556uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
557#else
558uschar *local_interfaces = US"0.0.0.0";
559#endif
560
561uschar *local_scan_data = NULL;
562int local_scan_timeout = 5*60;
563BOOL local_sender_retain = FALSE;
564gid_t local_user_gid = (gid_t)(-1);
565uid_t local_user_uid = (uid_t)(-1);
566
567tree_node *localpartlist_anchor= NULL;
568int localpartlist_count = 0;
569uschar *log_buffer = NULL;
570unsigned int log_extra_selector = LX_default;
571uschar *log_file_path = US LOG_FILE_PATH
572 "\0<--------------Space to patch log_file_path->";
573
574/* Those log options with L_xxx identifiers have values less than 0x800000 and
575are the ones that get put into log_write_selector. They can be used in calls to
576log_write() to test for the bit. The options with LX_xxx identifiers have
577values greater than 0x80000000 and are put int log_extra_selector (without the
578top bit). They are never used in calls to log_write(), but are tested
579independently. This separation became necessary when the number of log
580selectors was getting close to filling a 32-bit word. */
581
582bit_table log_options[] = {
583 { US"address_rewrite", L_address_rewrite },
584 { US"all", L_all },
585 { US"all_parents", L_all_parents },
586 { US"arguments", LX_arguments },
587 { US"connection_reject", L_connection_reject },
588 { US"delay_delivery", L_delay_delivery },
589 { US"deliver_time", LX_deliver_time },
590 { US"delivery_size", LX_delivery_size },
591 { US"dnslist_defer", L_dnslist_defer },
592 { US"etrn", L_etrn },
593 { US"host_lookup_failed", L_host_lookup_failed },
594 { US"ident_timeout", LX_ident_timeout },
595 { US"incoming_interface", LX_incoming_interface },
596 { US"incoming_port", LX_incoming_port },
597 { US"lost_incoming_connection", L_lost_incoming_connection },
598 { US"outgoing_port", LX_outgoing_port },
599 { US"queue_run", L_queue_run },
600 { US"queue_time", LX_queue_time },
601 { US"received_recipients", LX_received_recipients },
602 { US"received_sender", LX_received_sender },
603 { US"rejected_header", LX_rejected_header },
604 { US"rejected_headers", LX_rejected_header },
605 { US"retry_defer", L_retry_defer },
606 { US"return_path_on_delivery", LX_return_path_on_delivery },
607 { US"sender_on_delivery", LX_sender_on_delivery },
608 { US"size_reject", L_size_reject },
609 { US"skip_delivery", L_skip_delivery },
610 { US"smtp_confirmation", LX_smtp_confirmation },
611 { US"smtp_connection", L_smtp_connection },
612 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
613 { US"smtp_protocol_error", L_smtp_protocol_error },
614 { US"smtp_syntax_error", L_smtp_syntax_error },
615 { US"subject", LX_subject },
616 { US"tls_certificate_verified", LX_tls_certificate_verified },
617 { US"tls_cipher", LX_tls_cipher },
618 { US"tls_peerdn", LX_tls_peerdn }
619};
620
621int log_options_count = sizeof(log_options)/sizeof(bit_table);
622unsigned int log_write_selector= L_default;
623uschar *log_selector_string = NULL;
624FILE *log_stderr = NULL;
625BOOL log_testing_mode = FALSE;
626BOOL log_timezone = FALSE;
627uschar *login_sender_address = NULL;
628int lookup_open_max = 25;
629uschar *lookup_value = NULL;
630
631macro_item *macros = NULL;
632uschar *mailstore_basename = NULL;
633int max_username_length = 0;
634int message_age = 0;
635uschar *message_body = NULL;
636uschar *message_body_end = NULL;
637int message_body_size = 0;
638int message_body_visible = 500;
639int message_ended = END_NOTSTARTED;
640uschar *message_headers = NULL;
641uschar *message_id;
642uschar *message_id_domain = NULL;
643uschar *message_id_text = NULL;
644struct timeval message_id_tv = { 0, 0 };
645uschar message_id_option[MESSAGE_ID_LENGTH + 3];
646uschar *message_id_external;
647int message_linecount = 0;
648BOOL message_logs = TRUE;
649int message_size = 0;
650uschar *message_size_limit = US"50M";
651uschar message_subdir[2] = { 0, 0 };
652uschar *message_reference = NULL;
653BOOL mua_wrapper = FALSE;
654
655uid_t *never_users = NULL;
656BOOL no_multiline_responses = FALSE;
657
658uid_t original_euid;
659gid_t originator_gid;
660uschar *originator_login = NULL;
661uschar *originator_name = NULL;
662uid_t originator_uid;
663uschar *override_local_interfaces = NULL;
664uschar *override_pid_file_path = NULL;
665
666BOOL parse_allow_group = FALSE;
667BOOL parse_found_group = FALSE;
668uschar *percent_hack_domains = NULL;
669uschar *pid_file_path = US PID_FILE_PATH
670 "\0<--------------Space to patch pid_file_path->";
671uschar *pipelining_advertise_hosts = US"*";
672BOOL preserve_message_logs = FALSE;
673uschar *primary_hostname = NULL;
674BOOL print_topbitchars = FALSE;
675uschar process_info[PROCESS_INFO_SIZE];
676uschar *process_log_path = NULL;
677BOOL prod_requires_admin = TRUE;
678
679uschar *qualify_domain_recipient = NULL;
680uschar *qualify_domain_sender = NULL;
681BOOL queue_2stage = FALSE;
682uschar *queue_domains = NULL;
683int queue_interval = -1;
684BOOL queue_list_requires_admin = TRUE;
685BOOL queue_only = FALSE;
686uschar *queue_only_file = NULL;
687int queue_only_load = -1;
688BOOL queue_only_override = TRUE;
689BOOL queue_only_policy = FALSE;
690BOOL queue_run_first_delivery = FALSE;
691BOOL queue_run_force = FALSE;
692BOOL queue_run_in_order = FALSE;
693BOOL queue_run_local = FALSE;
694int queue_run_max = 5;
695pid_t queue_run_pid = (pid_t)0;
696int queue_run_pipe = -1;
697BOOL queue_running = FALSE;
698BOOL queue_smtp = FALSE;
699uschar *queue_smtp_domains = NULL;
700
701unsigned int random_seed = 0;
702uschar *raw_active_hostname = NULL;
703uschar *raw_sender = NULL;
704uschar **raw_recipients = NULL;
705int raw_recipients_count = 0;
706
707int rcpt_count = 0;
708int rcpt_fail_count = 0;
709int rcpt_defer_count = 0;
710gid_t real_gid;
711uid_t real_uid;
712BOOL really_exim = TRUE;
713BOOL receive_call_bombout = FALSE;
714int receive_linecount = 0;
715int receive_messagecount = 0;
716int receive_timeout = 0;
717int received_count = 0;
718uschar *received_for = NULL;
719
720/* This is the default text for Received headers generated by Exim. The
721date will be automatically added on the end. */
722
723uschar *received_header_text = US
724 "Received: "
725 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
726 "{${if def:sender_ident {from $sender_ident }}"
727 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
728 "by $primary_hostname "
729 "${if def:received_protocol {with $received_protocol}} "
730 #ifdef SUPPORT_TLS
731 "${if def:tls_cipher {($tls_cipher)\n\t}}"
732 #endif
733 "(Exim $version_number)\n\t"
734 "id $message_id"
735 "${if def:received_for {\n\tfor $received_for}}"
736 "\0<---------------Space to patch received_header_text->";
737
738int received_headers_max = 30;
739uschar *received_protocol = NULL;
740int received_time = 0;
741uschar *recipient_data = NULL;
742uschar *recipient_unqualified_hosts = NULL;
743int recipients_count = 0;
744BOOL recipients_discarded = FALSE;
745recipient_item *recipients_list = NULL;
746int recipients_list_max = 0;
747int recipients_max = 0;
748BOOL recipients_max_reject = FALSE;
749const pcre *regex_AUTH = NULL;
750const pcre *regex_check_dns_names = NULL;
751const pcre *regex_From = NULL;
752const pcre *regex_PIPELINING = NULL;
753const pcre *regex_SIZE = NULL;
754const pcre *regex_ismsgid = NULL;
755int remote_delivery_count = 0;
756int remote_max_parallel = 2;
757uschar *remote_sort_domains = NULL;
758int retry_data_expire = 7*24*60*60;
759int retry_interval_max = 24*60*60;
760int retry_maximum_timeout = 0; /* set from retry config */
761retry_config *retries = NULL;
762uschar *return_path = NULL;
763BOOL return_path_remove = TRUE;
764int rewrite_existflags = 0;
765uschar *rfc1413_hosts = US"*";
766int rfc1413_query_timeout = 30;
767/* BOOL rfc821_domains = FALSE; <<< on the way out */
768uid_t root_uid = ROOT_UID;
769
770router_instance *routers = NULL;
771router_instance router_defaults = {
772 NULL, /* chain pointer */
773 NULL, /* name */
774 NULL, /* info */
775 NULL, /* private options block pointer */
776 NULL, /* driver name */
777
778 NULL, /* address_data */
779 NULL, /* cannot_route_message */
780 NULL, /* condition */
781 NULL, /* current_directory */
782 NULL, /* debug_string */
783 NULL, /* domains */
784 NULL, /* errors_to */
785 NULL, /* expand_gid */
786 NULL, /* expand_uid */
787 NULL, /* expand_more */
788 NULL, /* expand_unseen */
789 NULL, /* extra_headers */
790 NULL, /* fallback_hosts */
791 NULL, /* home_directory */
792 NULL, /* ignore_target_hosts */
793 NULL, /* local_parts */
794 NULL, /* pass_router_name */
795 NULL, /* prefix */
796 NULL, /* redirect_router_name */
797 NULL, /* remove_headers */
798 NULL, /* require_files */
799 NULL, /* router_home_directory */
800 US"freeze", /* self */
801 NULL, /* senders */
802 NULL, /* suffix */
803 NULL, /* translate_ip_address */
804 NULL, /* transport_name */
805
806 TRUE, /* address_test */
807 TRUE, /* expn */
808 FALSE, /* caseful_local_part */
809 FALSE, /* check_local_user */
810 FALSE, /* disable_logging */
811 FALSE, /* fail_verify_recipient */
812 FALSE, /* fail_verify_sender */
813 FALSE, /* gid_set */
814 FALSE, /* initgroups */
815 TRUE_UNSET, /* log_as_local */
816 TRUE, /* more */
817 FALSE, /* pass_on_timeout */
818 FALSE, /* prefix_optional */
819 TRUE, /* repeat_use */
820 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
821 FALSE, /* same_domain_copy_routing */
822 FALSE, /* self_rewrite */
823 FALSE, /* suffix_optional */
824 FALSE, /* verify_only */
825 TRUE, /* verify_recipient */
826 TRUE, /* verify_sender */
827 FALSE, /* uid_set */
828 FALSE, /* unseen */
829
830 self_freeze, /* self_code */
831 (uid_t)(-1), /* uid */
832 (gid_t)(-1), /* gid */
833
834 NULL, /* fallback_hostlist */
835 NULL, /* transport instance */
836 NULL, /* pass_router */
837 NULL /* redirect_router */
838};
839
840ip_address_item *running_interfaces = NULL;
841BOOL running_in_test_harness = FALSE;
842
843/* This is a weird one. The following string gets patched in the binary by the
844script that sets up a copy of Exim for running in the test harness. It seems
845that compilers are now clever, and share constant strings if they can.
846Elsewhere in Exim the string "<" is used. The compiler optimization seems to
847make use of the end of this string in order to save space. So the patching then
848wrecks this. We default this optimization by adding some additional characters
849onto the end of the string. */
850
851uschar *running_status = US">>>running<<<" "\0EXTRA";
852
853int runrc = 0;
854
855uschar *search_error_message = NULL;
856BOOL search_find_defer = FALSE;
857uschar *self_hostname = NULL;
858uschar *sender_address = NULL;
859unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
860BOOL sender_address_forced = FALSE;
861uschar *sender_address_unrewritten = NULL;
862uschar *sender_data = NULL;
863unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
864uschar *sender_fullhost = NULL;
865uschar *sender_helo_name = NULL;
866uschar **sender_host_aliases = &no_aliases;
867uschar *sender_host_address = NULL;
868uschar *sender_host_authenticated = NULL;
869unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
870uschar *sender_host_name = NULL;
871int sender_host_port = 0;
872BOOL sender_host_notsocket = FALSE;
873BOOL sender_host_unknown = FALSE;
874uschar *sender_ident = NULL;
875BOOL sender_local = FALSE;
876uschar *sender_rcvhost = NULL;
877BOOL sender_set_untrusted = FALSE;
878uschar *sender_unqualified_hosts = NULL;
879address_item *sender_verified_list = NULL;
880address_item *sender_verified_failed = NULL;
881int sender_verified_rc = -1;
882BOOL sender_verified_responded = FALSE;
883volatile BOOL sigalrm_seen = FALSE;
884uschar **sighup_argv = NULL;
885int smtp_accept_count = 0;
886BOOL smtp_accept_keepalive = TRUE;
887int smtp_accept_max = 20;
888int smtp_accept_max_nonmail= 10;
889uschar *smtp_accept_max_nonmail_hosts = US"*";
890int smtp_accept_max_per_connection = 1000;
891uschar *smtp_accept_max_per_host = NULL;
892int smtp_accept_queue = 0;
893int smtp_accept_queue_per_connection = 10;
894int smtp_accept_reserve = 0;
895uschar *smtp_active_hostname = NULL;
896BOOL smtp_authenticated = FALSE;
897uschar *smtp_banner = US"$primary_hostname ESMTP "
898 "Exim $version_number $tod_full"
899 "\0<---------------Space to patch smtp_banner->";
900BOOL smtp_batched_input = FALSE;
901BOOL smtp_check_spool_space = TRUE;
902uschar *smtp_command_argument = NULL;
903int smtp_connect_backlog = 20;
904double smtp_delay_mail = 0.0;
905double smtp_delay_rcpt = 0.0;
906BOOL smtp_enforce_sync = TRUE;
907FILE *smtp_in = NULL;
908BOOL smtp_input = FALSE;
909int smtp_load_reserve = -1;
910int smtp_mailcmd_count = 0;
911FILE *smtp_out = NULL;
912uschar *smtp_etrn_command = NULL;
913BOOL smtp_etrn_serialize = TRUE;
914int smtp_max_synprot_errors= 3;
915int smtp_max_unknown_commands = 3;
916uschar *smtp_ratelimit_hosts = NULL;
917uschar *smtp_ratelimit_mail = NULL;
918uschar *smtp_ratelimit_rcpt = NULL;
919uschar *smtp_read_error = US"";
920int smtp_receive_timeout = 5*60;
921uschar *smtp_reserve_hosts = NULL;
922BOOL smtp_return_error_details = FALSE;
923int smtp_rlm_base = 0;
924double smtp_rlm_factor = 0.0;
925int smtp_rlm_limit = 0;
926int smtp_rlm_threshold = INT_MAX;
927int smtp_rlr_base = 0;
928double smtp_rlr_factor = 0.0;
929int smtp_rlr_limit = 0;
930int smtp_rlr_threshold = INT_MAX;
931BOOL smtp_use_pipelining = FALSE;
932BOOL smtp_use_size = FALSE;
933BOOL split_spool_directory = FALSE;
934uschar *spool_directory = US SPOOL_DIRECTORY
935 "\0<--------------Space to patch spool_directory->";
936int string_datestamp_offset= -1;
937BOOL strip_excess_angle_brackets = FALSE;
938BOOL strip_trailing_dot = FALSE;
939uschar *submission_domain = NULL;
940BOOL submission_mode = FALSE;
941BOOL synchronous_delivery = FALSE;
942BOOL syslog_duplication = TRUE;
943int syslog_facility = LOG_MAIL;
944uschar *syslog_processname = US"exim";
945BOOL syslog_timestamp = TRUE;
946uschar *system_filter = NULL;
947
948uschar *system_filter_directory_transport = NULL;
949uschar *system_filter_file_transport = NULL;
950uschar *system_filter_pipe_transport = NULL;
951uschar *system_filter_reply_transport = NULL;
952
953gid_t system_filter_gid = 0;
954BOOL system_filter_gid_set = FALSE;
955uid_t system_filter_uid = 0;
956BOOL system_filter_uid_set = FALSE;
957BOOL system_filtering = FALSE;
958
959BOOL tcp_nodelay = TRUE;
960int thismessage_size_limit = 0;
961int timeout_frozen_after = 0;
962BOOL timestamps_utc = FALSE;
963
964transport_instance *transports = NULL;
965
966transport_instance transport_defaults = {
967 NULL, /* chain pointer */
968 NULL, /* name */
969 NULL, /* info */
970 NULL, /* private options block pointer */
971 NULL, /* driver name */
972 NULL, /* setup entry point */
973 1, /* batch_max */
974 NULL, /* batch_id */
975 NULL, /* home_dir */
976 NULL, /* current_dir */
977 TRUE, /* multi-domain */
978 FALSE, /* overrides_hosts */
979 100, /* max_addresses */
980 500, /* connection_max_messages */
981 FALSE, /* deliver_as_creator */
982 FALSE, /* disable_logging */
983 FALSE, /* initgroups */
984 FALSE, /* uid_set */
985 FALSE, /* gid_set */
986 (uid_t)(-1), /* uid */
987 (gid_t)(-1), /* gid */
988 NULL, /* expand_uid */
989 NULL, /* expand_gid */
990 NULL, /* warn_message */
991 NULL, /* shadow */
992 NULL, /* shadow_condition */
993 NULL, /* filter_command */
994 NULL, /* add_headers */
995 NULL, /* remove_headers */
996 NULL, /* return_path */
997 NULL, /* debug_string */
998 NULL, /* message_size_limit */
999 NULL, /* headers_rewrite */
1000 NULL, /* rewrite_rules */
1001 0, /* rewrite_existflags */
1002 300, /* filter_timeout */
1003 FALSE, /* body_only */
1004 FALSE, /* delivery_date_add */
1005 FALSE, /* envelope_to_add */
1006 FALSE, /* headers_only */
1007 FALSE, /* rcpt_include_affixes */
1008 FALSE, /* return_path_add */
1009 FALSE, /* return_output */
1010 FALSE, /* return_fail_output */
1011 FALSE, /* log_output */
1012 FALSE, /* log_fail_output */
1013 FALSE, /* log_defer_output */
1014 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1015 1 nor 0 so can detect unset */
1016};
1017
1018int transport_count;
1019uschar **transport_filter_argv = NULL;
1020int transport_filter_timeout;
1021int transport_write_timeout= 0;
1022
1023tree_node *tree_dns_fails = NULL;
1024tree_node *tree_duplicates = NULL;
1025tree_node *tree_nonrecipients = NULL;
1026tree_node *tree_unusable = NULL;
1027
1028BOOL trusted_caller = FALSE;
1029gid_t *trusted_groups = NULL;
1030uid_t *trusted_users = NULL;
1031uschar *timezone_string = US TIMEZONE_DEFAULT;
1032
1033uschar *unknown_login = NULL;
1034uschar *unknown_username = NULL;
1035uschar *untrusted_set_sender = NULL;
1036
1037/* A regex for matching a "From_" line in an incoming message, in the form
1038
1039 From ph10 Fri Jan 5 12:35 GMT 1996
1040
1041which the "mail" commands send to the MTA (undocumented, of course), or in
1042the form
1043
1044 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1045
1046which is apparently used by some UUCPs, despite it not being in RFC 976.
1047Because of variations in time formats, just match up to the minutes. That
1048should be sufficient. Examples have been seen of time fields like 12:1:03,
1049so just require one digit for hours and minutes. The weekday is also absent
1050in some forms. */
1051
1052uschar *uucp_from_pattern = US
1053 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1054 "(?:" /* Non-extracting bracket */
1055 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1056 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1057 ")" /* End alternation */
1058 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1059
1060uschar *uucp_from_sender = US"$1";
1061
1062uschar *warn_message_file = NULL;
1063uschar *warnmsg_delay = NULL;
1064uschar *warnmsg_recipients = NULL;
1065BOOL write_rejectlog = TRUE;
1066
1067uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1068uschar *version_date = US"?";
1069uschar *version_cnumber = US"????";
1070uschar *version_string = US"?";
1071
1072int warning_count = 0;
1073
1074/* End of globals.c */
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