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Disable SIGUSR1 for all non-exim subprocesses run from Exim (previously,
[exim.git] / src / src / globals.c
CommitLineData
059ec3d9
PH		 1/* $Cambridge: exim/src/src/globals.c,v 1.1 2004/10/07 10:39:01 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
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;
344uschar *config_main_filelist = US CONFIGURE_FILE
345 "\0<-----------Space to patch configure_filename->";
346uschar *config_main_filename = NULL;
347
348#ifdef CONFIGURE_OWNER
349uid_t config_uid = CONFIGURE_OWNER;
350#endif
351
352int connection_max_messages= -1;
353uschar *continue_hostname = NULL;
354uschar *continue_host_address = NULL;
355BOOL continue_more = FALSE;
356int continue_sequence = 1;
357uschar *continue_transport = NULL;
358
359BOOL daemon_listen = FALSE;
360uschar *daemon_smtp_port = US"smtp";
361int debug_fd = -1;
362FILE *debug_file = NULL;
363bit_table debug_options[] = {
364 { US"acl", D_acl },
365 { US"all", D_all },
366 { US"auth", D_auth },
367 { US"deliver", D_deliver },
368 { US"dns", D_dns },
369 { US"dnsbl", D_dnsbl },
370 { US"exec", D_exec },
371 { US"expand", D_expand },
372 { US"filter", D_filter },
373 { US"hints_lookup", D_hints_lookup },
374 { US"host_lookup", D_host_lookup },
375 { US"ident", D_ident },
376 { US"interface", D_interface },
377 { US"lists", D_lists },
378 { US"load", D_load },
379 { US"local_scan", D_local_scan },
380 { US"lookup", D_lookup },
381 { US"memory", D_memory },
382 { US"pid", D_pid },
383 { US"process_info", D_process_info },
384 { US"queue_run", D_queue_run },
385 { US"receive", D_receive },
386 { US"resolver", D_resolver },
387 { US"retry", D_retry },
388 { US"rewrite", D_rewrite },
389 { US"route", D_route },
390 { US"timestamp", D_timestamp },
391 { US"tls", D_tls },
392 { US"transport", D_transport },
393 { US"uid", D_uid },
394 { US"verify", D_verify }
395};
396int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
397unsigned int debug_selector = 0;
398int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
399uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
400BOOL delivery_date_remove = TRUE;
401uschar *deliver_address_data = NULL;
402int deliver_datafile = -1;
403uschar *deliver_domain = NULL;
404uschar *deliver_domain_data = NULL;
405uschar *deliver_domain_orig = NULL;
406uschar *deliver_domain_parent = NULL;
407BOOL deliver_drop_privilege = FALSE;
408BOOL deliver_firsttime = FALSE;
409BOOL deliver_force = FALSE;
410BOOL deliver_freeze = FALSE;
411int deliver_frozen_at = 0;
412uschar *deliver_home = NULL;
413uschar *deliver_host = NULL;
414uschar *deliver_host_address = NULL;
415uschar *deliver_in_buffer = NULL;
416ino_t deliver_inode = 0;
417uschar *deliver_localpart = NULL;
418uschar *deliver_localpart_data = NULL;
419uschar *deliver_localpart_orig = NULL;
420uschar *deliver_localpart_parent = NULL;
421uschar *deliver_localpart_prefix = NULL;
422uschar *deliver_localpart_suffix = NULL;
423BOOL deliver_force_thaw = FALSE;
424BOOL deliver_manual_thaw = FALSE;
425uschar *deliver_out_buffer = NULL;
426int deliver_queue_load_max = -1;
427address_item *deliver_recipients = NULL;
428uschar *deliver_selectstring = NULL;
429BOOL deliver_selectstring_regex = FALSE;
430uschar *deliver_selectstring_sender = NULL;
431BOOL deliver_selectstring_sender_regex = FALSE;
432BOOL disable_logging = FALSE;
433
434uschar *dns_again_means_nonexist = NULL;
435uschar *dns_ipv4_lookup = NULL;
436int dns_retrans = 0;
437int dns_retry = 0;
438uschar *dnslist_domain = NULL;
439uschar *dnslist_text = NULL;
440uschar *dnslist_value = NULL;
441tree_node *domainlist_anchor = NULL;
442int domainlist_count = 0;
443BOOL dont_deliver = FALSE;
444BOOL dot_ends = TRUE;
445BOOL drop_cr = FALSE; /* No longer used */
446
447BOOL enable_dollar_recipients = FALSE;
448BOOL envelope_to_remove = TRUE;
449int errno_quota = ERRNO_QUOTA;
450uschar *errors_copy = NULL;
451int error_handling = ERRORS_SENDER;
452uschar *errors_reply_to = NULL;
453int errors_sender_rc = EXIT_FAILURE;
454
455gid_t exim_gid = EXIM_GID;
456BOOL exim_gid_set = TRUE; /* This gid is always set */
457uschar *exim_path = US BIN_DIRECTORY "/exim"
458 "\0<---------------Space to patch exim_path->";
459uid_t exim_uid = EXIM_UID;
460BOOL exim_uid_set = TRUE; /* This uid is always set */
461int expand_forbid = 0;
462int expand_nlength[EXPAND_MAXN+1];
463int expand_nmax = -1;
464uschar *expand_nstring[EXPAND_MAXN+1];
465BOOL expand_string_forcedfail = FALSE;
466uschar *expand_string_message;
467BOOL extract_addresses_remove_arguments = TRUE;
468uschar *extra_local_interfaces = NULL;
469
470int filter_n[FILTER_VARIABLE_COUNT];
471BOOL filter_running = FALSE;
472int filter_sn[FILTER_VARIABLE_COUNT];
473uschar *filter_test = NULL;
474uschar *filter_thisaddress = NULL;
475int finduser_retries = 0;
476uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
477uschar *freeze_tell = NULL;
478uschar *fudged_queue_times = US"";
479
480uschar *gecos_name = NULL;
481uschar *gecos_pattern = NULL;
482rewrite_rule *global_rewrite_rules = NULL;
483
484uschar *headers_charset = US HEADERS_CHARSET;
485int header_insert_maxlen = 64 * 1024;
486header_line *header_last = NULL;
487header_line *header_list = NULL;
488int header_maxsize = HEADER_MAXSIZE;
489int header_line_maxsize = 0;
490
491header_name header_names[] = {
492 { US"bcc", 3, TRUE, htype_bcc },
493 { US"cc", 2, TRUE, htype_cc },
494 { US"date", 4, TRUE, htype_date },
495 { US"delivery-date", 13, FALSE, htype_delivery_date },
496 { US"envelope-to", 11, FALSE, htype_envelope_to },
497 { US"from", 4, TRUE, htype_from },
498 { US"message-id", 10, TRUE, htype_id },
499 { US"received", 8, FALSE, htype_received },
500 { US"reply-to", 8, FALSE, htype_reply_to },
501 { US"return-path", 11, FALSE, htype_return_path },
502 { US"sender", 6, TRUE, htype_sender },
503 { US"subject", 7, FALSE, htype_subject },
504 { US"to", 2, TRUE, htype_to }
505};
506
507int header_names_size = sizeof(header_names)/sizeof(header_name);
508
509BOOL header_rewritten = FALSE;
510uschar *helo_accept_junk_hosts = NULL;
511uschar *helo_allow_chars = US"";
512uschar *helo_lookup_domains = US"@ : @[]";
513uschar *helo_try_verify_hosts = NULL;
514BOOL helo_verified = FALSE;
515uschar *helo_verify_hosts = NULL;
516uschar *hex_digits = US"0123456789abcdef";
517uschar *hold_domains = NULL;
518BOOL host_checking = FALSE;
519BOOL host_checking_callout = FALSE;
520uschar *host_data = NULL;
521BOOL host_find_failed_syntax= FALSE;
522uschar *host_lookup = NULL;
523BOOL host_lookup_failed = FALSE;
524uschar *host_lookup_order = US"bydns:byaddr";
525uschar *host_lookup_msg = US"";
526int host_number = 0;
527uschar *host_number_string = NULL;
528uschar *host_reject_connection = NULL;
529tree_node *hostlist_anchor = NULL;
530int hostlist_count = 0;
531uschar *hosts_treat_as_local = NULL;
532uschar *hosts_connection_nolog = NULL;
533
534int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
535BOOL ignore_fromline_local = FALSE;
536uschar *ignore_fromline_hosts = NULL;
537uschar *interface_address = NULL;
538int interface_port = -1;
539BOOL is_inetd = FALSE;
540
541int journal_fd = -1;
542
543int keep_malformed = 4*24*60*60; /* 4 days */
544
545uschar *eldap_dn = NULL;
546int load_average = -2;
547BOOL local_error_message = FALSE;
548BOOL local_from_check = TRUE;
549uschar *local_from_prefix = NULL;
550uschar *local_from_suffix = NULL;
551
552#if HAVE_IPV6
553uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
554#else
555uschar *local_interfaces = US"0.0.0.0";
556#endif
557
558uschar *local_scan_data = NULL;
559int local_scan_timeout = 5*60;
560BOOL local_sender_retain = FALSE;
561gid_t local_user_gid = (gid_t)(-1);
562uid_t local_user_uid = (uid_t)(-1);
563
564tree_node *localpartlist_anchor= NULL;
565int localpartlist_count = 0;
566uschar *log_buffer = NULL;
567unsigned int log_extra_selector = LX_default;
568uschar *log_file_path = US LOG_FILE_PATH
569 "\0<--------------Space to patch log_file_path->";
570
571/* Those log options with L_xxx identifiers have values less than 0x800000 and
572are the ones that get put into log_write_selector. They can be used in calls to
573log_write() to test for the bit. The options with LX_xxx identifiers have
574values greater than 0x80000000 and are put int log_extra_selector (without the
575top bit). They are never used in calls to log_write(), but are tested
576independently. This separation became necessary when the number of log
577selectors was getting close to filling a 32-bit word. */
578
579bit_table log_options[] = {
580 { US"address_rewrite", L_address_rewrite },
581 { US"all", L_all },
582 { US"all_parents", L_all_parents },
583 { US"arguments", LX_arguments },
584 { US"connection_reject", L_connection_reject },
585 { US"delay_delivery", L_delay_delivery },
586 { US"deliver_time", LX_deliver_time },
587 { US"delivery_size", LX_delivery_size },
588 { US"dnslist_defer", L_dnslist_defer },
589 { US"etrn", L_etrn },
590 { US"host_lookup_failed", L_host_lookup_failed },
591 { US"ident_timeout", LX_ident_timeout },
592 { US"incoming_interface", LX_incoming_interface },
593 { US"incoming_port", LX_incoming_port },
594 { US"lost_incoming_connection", L_lost_incoming_connection },
595 { US"outgoing_port", LX_outgoing_port },
596 { US"queue_run", L_queue_run },
597 { US"queue_time", LX_queue_time },
598 { US"received_recipients", LX_received_recipients },
599 { US"received_sender", LX_received_sender },
600 { US"rejected_header", LX_rejected_header },
601 { US"rejected_headers", LX_rejected_header },
602 { US"retry_defer", L_retry_defer },
603 { US"return_path_on_delivery", LX_return_path_on_delivery },
604 { US"sender_on_delivery", LX_sender_on_delivery },
605 { US"size_reject", L_size_reject },
606 { US"skip_delivery", L_skip_delivery },
607 { US"smtp_confirmation", LX_smtp_confirmation },
608 { US"smtp_connection", L_smtp_connection },
609 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
610 { US"smtp_protocol_error", L_smtp_protocol_error },
611 { US"smtp_syntax_error", L_smtp_syntax_error },
612 { US"subject", LX_subject },
613 { US"tls_certificate_verified", LX_tls_certificate_verified },
614 { US"tls_cipher", LX_tls_cipher },
615 { US"tls_peerdn", LX_tls_peerdn }
616};
617
618int log_options_count = sizeof(log_options)/sizeof(bit_table);
619unsigned int log_write_selector= L_default;
620uschar *log_selector_string = NULL;
621FILE *log_stderr = NULL;
622BOOL log_testing_mode = FALSE;
623BOOL log_timezone = FALSE;
624uschar *login_sender_address = NULL;
625int lookup_open_max = 25;
626uschar *lookup_value = NULL;
627
628macro_item *macros = NULL;
629uschar *mailstore_basename = NULL;
630int max_username_length = 0;
631int message_age = 0;
632uschar *message_body = NULL;
633uschar *message_body_end = NULL;
634int message_body_size = 0;
635int message_body_visible = 500;
636int message_ended = END_NOTSTARTED;
637uschar *message_headers = NULL;
638uschar *message_id;
639uschar *message_id_domain = NULL;
640uschar *message_id_text = NULL;
641struct timeval message_id_tv = { 0, 0 };
642uschar message_id_option[MESSAGE_ID_LENGTH + 3];
643uschar *message_id_external;
644int message_linecount = 0;
645BOOL message_logs = TRUE;
646int message_size = 0;
647uschar *message_size_limit = US"50M";
648uschar message_subdir[2] = { 0, 0 };
649uschar *message_reference = NULL;
650BOOL mua_wrapper = FALSE;
651
652uid_t *never_users = NULL;
653BOOL no_multiline_responses = FALSE;
654
655uid_t original_euid;
656gid_t originator_gid;
657uschar *originator_login = NULL;
658uschar *originator_name = NULL;
659uid_t originator_uid;
660uschar *override_local_interfaces = NULL;
661uschar *override_pid_file_path = NULL;
662
663BOOL parse_allow_group = FALSE;
664BOOL parse_found_group = FALSE;
665uschar *percent_hack_domains = NULL;
666uschar *pid_file_path = US PID_FILE_PATH
667 "\0<--------------Space to patch pid_file_path->";
668uschar *pipelining_advertise_hosts = US"*";
669BOOL preserve_message_logs = FALSE;
670uschar *primary_hostname = NULL;
671BOOL print_topbitchars = FALSE;
672uschar process_info[PROCESS_INFO_SIZE];
673uschar *process_log_path = NULL;
674BOOL prod_requires_admin = TRUE;
675
676uschar *qualify_domain_recipient = NULL;
677uschar *qualify_domain_sender = NULL;
678BOOL queue_2stage = FALSE;
679uschar *queue_domains = NULL;
680int queue_interval = -1;
681BOOL queue_list_requires_admin = TRUE;
682BOOL queue_only = FALSE;
683uschar *queue_only_file = NULL;
684int queue_only_load = -1;
685BOOL queue_only_override = TRUE;
686BOOL queue_only_policy = FALSE;
687BOOL queue_run_first_delivery = FALSE;
688BOOL queue_run_force = FALSE;
689BOOL queue_run_in_order = FALSE;
690BOOL queue_run_local = FALSE;
691int queue_run_max = 5;
692pid_t queue_run_pid = (pid_t)0;
693int queue_run_pipe = -1;
694BOOL queue_running = FALSE;
695BOOL queue_smtp = FALSE;
696uschar *queue_smtp_domains = NULL;
697
698unsigned int random_seed = 0;
699uschar *raw_active_hostname = NULL;
700uschar *raw_sender = NULL;
701uschar **raw_recipients = NULL;
702int raw_recipients_count = 0;
703
704int rcpt_count = 0;
705int rcpt_fail_count = 0;
706int rcpt_defer_count = 0;
707gid_t real_gid;
708uid_t real_uid;
709BOOL really_exim = TRUE;
710BOOL receive_call_bombout = FALSE;
711int receive_linecount = 0;
712int receive_messagecount = 0;
713int receive_timeout = 0;
714int received_count = 0;
715uschar *received_for = NULL;
716
717/* This is the default text for Received headers generated by Exim. The
718date will be automatically added on the end. */
719
720uschar *received_header_text = US
721 "Received: "
722 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
723 "{${if def:sender_ident {from $sender_ident }}"
724 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
725 "by $primary_hostname "
726 "${if def:received_protocol {with $received_protocol}} "
727 #ifdef SUPPORT_TLS
728 "${if def:tls_cipher {($tls_cipher)\n\t}}"
729 #endif
730 "(Exim $version_number)\n\t"
731 "id $message_id"
732 "${if def:received_for {\n\tfor $received_for}}"
733 "\0<---------------Space to patch received_header_text->";
734
735int received_headers_max = 30;
736uschar *received_protocol = NULL;
737int received_time = 0;
738uschar *recipient_data = NULL;
739uschar *recipient_unqualified_hosts = NULL;
740int recipients_count = 0;
741BOOL recipients_discarded = FALSE;
742recipient_item *recipients_list = NULL;
743int recipients_list_max = 0;
744int recipients_max = 0;
745BOOL recipients_max_reject = FALSE;
746const pcre *regex_AUTH = NULL;
747const pcre *regex_check_dns_names = NULL;
748const pcre *regex_From = NULL;
749const pcre *regex_PIPELINING = NULL;
750const pcre *regex_SIZE = NULL;
751const pcre *regex_ismsgid = NULL;
752int remote_delivery_count = 0;
753int remote_max_parallel = 2;
754uschar *remote_sort_domains = NULL;
755int retry_data_expire = 7*24*60*60;
756int retry_interval_max = 24*60*60;
757int retry_maximum_timeout = 0; /* set from retry config */
758retry_config *retries = NULL;
759uschar *return_path = NULL;
760BOOL return_path_remove = TRUE;
761int rewrite_existflags = 0;
762uschar *rfc1413_hosts = US"*";
763int rfc1413_query_timeout = 30;
764/* BOOL rfc821_domains = FALSE; <<< on the way out */
765uid_t root_uid = ROOT_UID;
766
767router_instance *routers = NULL;
768router_instance router_defaults = {
769 NULL, /* chain pointer */
770 NULL, /* name */
771 NULL, /* info */
772 NULL, /* private options block pointer */
773 NULL, /* driver name */
774
775 NULL, /* address_data */
776 NULL, /* cannot_route_message */
777 NULL, /* condition */
778 NULL, /* current_directory */
779 NULL, /* debug_string */
780 NULL, /* domains */
781 NULL, /* errors_to */
782 NULL, /* expand_gid */
783 NULL, /* expand_uid */
784 NULL, /* expand_more */
785 NULL, /* expand_unseen */
786 NULL, /* extra_headers */
787 NULL, /* fallback_hosts */
788 NULL, /* home_directory */
789 NULL, /* ignore_target_hosts */
790 NULL, /* local_parts */
791 NULL, /* pass_router_name */
792 NULL, /* prefix */
793 NULL, /* redirect_router_name */
794 NULL, /* remove_headers */
795 NULL, /* require_files */
796 NULL, /* router_home_directory */
797 US"freeze", /* self */
798 NULL, /* senders */
799 NULL, /* suffix */
800 NULL, /* translate_ip_address */
801 NULL, /* transport_name */
802
803 TRUE, /* address_test */
804 TRUE, /* expn */
805 FALSE, /* caseful_local_part */
806 FALSE, /* check_local_user */
807 FALSE, /* disable_logging */
808 FALSE, /* fail_verify_recipient */
809 FALSE, /* fail_verify_sender */
810 FALSE, /* gid_set */
811 FALSE, /* initgroups */
812 TRUE_UNSET, /* log_as_local */
813 TRUE, /* more */
814 FALSE, /* pass_on_timeout */
815 FALSE, /* prefix_optional */
816 TRUE, /* repeat_use */
817 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
818 FALSE, /* same_domain_copy_routing */
819 FALSE, /* self_rewrite */
820 FALSE, /* suffix_optional */
821 FALSE, /* verify_only */
822 TRUE, /* verify_recipient */
823 TRUE, /* verify_sender */
824 FALSE, /* uid_set */
825 FALSE, /* unseen */
826
827 self_freeze, /* self_code */
828 (uid_t)(-1), /* uid */
829 (gid_t)(-1), /* gid */
830
831 NULL, /* fallback_hostlist */
832 NULL, /* transport instance */
833 NULL, /* pass_router */
834 NULL /* redirect_router */
835};
836
837ip_address_item *running_interfaces = NULL;
838BOOL running_in_test_harness = FALSE;
839
840/* This is a weird one. The following string gets patched in the binary by the
841script that sets up a copy of Exim for running in the test harness. It seems
842that compilers are now clever, and share constant strings if they can.
843Elsewhere in Exim the string "<" is used. The compiler optimization seems to
844make use of the end of this string in order to save space. So the patching then
845wrecks this. We default this optimization by adding some additional characters
846onto the end of the string. */
847
848uschar *running_status = US">>>running<<<" "\0EXTRA";
849
850int runrc = 0;
851
852uschar *search_error_message = NULL;
853BOOL search_find_defer = FALSE;
854uschar *self_hostname = NULL;
855uschar *sender_address = NULL;
856unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
857BOOL sender_address_forced = FALSE;
858uschar *sender_address_unrewritten = NULL;
859uschar *sender_data = NULL;
860unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
861uschar *sender_fullhost = NULL;
862uschar *sender_helo_name = NULL;
863uschar **sender_host_aliases = &no_aliases;
864uschar *sender_host_address = NULL;
865uschar *sender_host_authenticated = NULL;
866unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
867uschar *sender_host_name = NULL;
868int sender_host_port = 0;
869BOOL sender_host_notsocket = FALSE;
870BOOL sender_host_unknown = FALSE;
871uschar *sender_ident = NULL;
872BOOL sender_local = FALSE;
873uschar *sender_rcvhost = NULL;
874BOOL sender_set_untrusted = FALSE;
875uschar *sender_unqualified_hosts = NULL;
876address_item *sender_verified_list = NULL;
877address_item *sender_verified_failed = NULL;
878int sender_verified_rc = -1;
879BOOL sender_verified_responded = FALSE;
880volatile BOOL sigalrm_seen = FALSE;
881uschar **sighup_argv = NULL;
882int smtp_accept_count = 0;
883BOOL smtp_accept_keepalive = TRUE;
884int smtp_accept_max = 20;
885int smtp_accept_max_nonmail= 10;
886uschar *smtp_accept_max_nonmail_hosts = US"*";
887int smtp_accept_max_per_connection = 1000;
888uschar *smtp_accept_max_per_host = NULL;
889int smtp_accept_queue = 0;
890int smtp_accept_queue_per_connection = 10;
891int smtp_accept_reserve = 0;
892uschar *smtp_active_hostname = NULL;
893BOOL smtp_authenticated = FALSE;
894uschar *smtp_banner = US"$primary_hostname ESMTP "
895 "Exim $version_number $tod_full"
896 "\0<---------------Space to patch smtp_banner->";
897BOOL smtp_batched_input = FALSE;
898BOOL smtp_check_spool_space = TRUE;
899uschar *smtp_command_argument = NULL;
900int smtp_connect_backlog = 20;
901double smtp_delay_mail = 0.0;
902double smtp_delay_rcpt = 0.0;
903BOOL smtp_enforce_sync = TRUE;
904FILE *smtp_in = NULL;
905BOOL smtp_input = FALSE;
906int smtp_load_reserve = -1;
907int smtp_mailcmd_count = 0;
908FILE *smtp_out = NULL;
909uschar *smtp_etrn_command = NULL;
910BOOL smtp_etrn_serialize = TRUE;
911int smtp_max_synprot_errors= 3;
912int smtp_max_unknown_commands = 3;
913uschar *smtp_ratelimit_hosts = NULL;
914uschar *smtp_ratelimit_mail = NULL;
915uschar *smtp_ratelimit_rcpt = NULL;
916uschar *smtp_read_error = US"";
917int smtp_receive_timeout = 5*60;
918uschar *smtp_reserve_hosts = NULL;
919BOOL smtp_return_error_details = FALSE;
920int smtp_rlm_base = 0;
921double smtp_rlm_factor = 0.0;
922int smtp_rlm_limit = 0;
923int smtp_rlm_threshold = INT_MAX;
924int smtp_rlr_base = 0;
925double smtp_rlr_factor = 0.0;
926int smtp_rlr_limit = 0;
927int smtp_rlr_threshold = INT_MAX;
928BOOL smtp_use_pipelining = FALSE;
929BOOL smtp_use_size = FALSE;
930BOOL split_spool_directory = FALSE;
931uschar *spool_directory = US SPOOL_DIRECTORY
932 "\0<--------------Space to patch spool_directory->";
933int string_datestamp_offset= -1;
934BOOL strip_excess_angle_brackets = FALSE;
935BOOL strip_trailing_dot = FALSE;
936uschar *submission_domain = NULL;
937BOOL submission_mode = FALSE;
938BOOL synchronous_delivery = FALSE;
939BOOL syslog_duplication = TRUE;
940int syslog_facility = LOG_MAIL;
941uschar *syslog_processname = US"exim";
942BOOL syslog_timestamp = TRUE;
943uschar *system_filter = NULL;
944
945uschar *system_filter_directory_transport = NULL;
946uschar *system_filter_file_transport = NULL;
947uschar *system_filter_pipe_transport = NULL;
948uschar *system_filter_reply_transport = NULL;
949
950gid_t system_filter_gid = 0;
951BOOL system_filter_gid_set = FALSE;
952uid_t system_filter_uid = 0;
953BOOL system_filter_uid_set = FALSE;
954BOOL system_filtering = FALSE;
955
956BOOL tcp_nodelay = TRUE;
957int thismessage_size_limit = 0;
958int timeout_frozen_after = 0;
959BOOL timestamps_utc = FALSE;
960
961transport_instance *transports = NULL;
962
963transport_instance transport_defaults = {
964 NULL, /* chain pointer */
965 NULL, /* name */
966 NULL, /* info */
967 NULL, /* private options block pointer */
968 NULL, /* driver name */
969 NULL, /* setup entry point */
970 1, /* batch_max */
971 NULL, /* batch_id */
972 NULL, /* home_dir */
973 NULL, /* current_dir */
974 TRUE, /* multi-domain */
975 FALSE, /* overrides_hosts */
976 100, /* max_addresses */
977 500, /* connection_max_messages */
978 FALSE, /* deliver_as_creator */
979 FALSE, /* disable_logging */
980 FALSE, /* initgroups */
981 FALSE, /* uid_set */
982 FALSE, /* gid_set */
983 (uid_t)(-1), /* uid */
984 (gid_t)(-1), /* gid */
985 NULL, /* expand_uid */
986 NULL, /* expand_gid */
987 NULL, /* warn_message */
988 NULL, /* shadow */
989 NULL, /* shadow_condition */
990 NULL, /* filter_command */
991 NULL, /* add_headers */
992 NULL, /* remove_headers */
993 NULL, /* return_path */
994 NULL, /* debug_string */
995 NULL, /* message_size_limit */
996 NULL, /* headers_rewrite */
997 NULL, /* rewrite_rules */
998 0, /* rewrite_existflags */
999 300, /* filter_timeout */
1000 FALSE, /* body_only */
1001 FALSE, /* delivery_date_add */
1002 FALSE, /* envelope_to_add */
1003 FALSE, /* headers_only */
1004 FALSE, /* rcpt_include_affixes */
1005 FALSE, /* return_path_add */
1006 FALSE, /* return_output */
1007 FALSE, /* return_fail_output */
1008 FALSE, /* log_output */
1009 FALSE, /* log_fail_output */
1010 FALSE, /* log_defer_output */
1011 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1012 1 nor 0 so can detect unset */
1013};
1014
1015int transport_count;
1016uschar **transport_filter_argv = NULL;
1017int transport_filter_timeout;
1018int transport_write_timeout= 0;
1019
1020tree_node *tree_dns_fails = NULL;
1021tree_node *tree_duplicates = NULL;
1022tree_node *tree_nonrecipients = NULL;
1023tree_node *tree_unusable = NULL;
1024
1025BOOL trusted_caller = FALSE;
1026gid_t *trusted_groups = NULL;
1027uid_t *trusted_users = NULL;
1028uschar *timezone_string = US TIMEZONE_DEFAULT;
1029
1030uschar *unknown_login = NULL;
1031uschar *unknown_username = NULL;
1032uschar *untrusted_set_sender = NULL;
1033
1034/* A regex for matching a "From_" line in an incoming message, in the form
1035
1036 From ph10 Fri Jan 5 12:35 GMT 1996
1037
1038which the "mail" commands send to the MTA (undocumented, of course), or in
1039the form
1040
1041 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1042
1043which is apparently used by some UUCPs, despite it not being in RFC 976.
1044Because of variations in time formats, just match up to the minutes. That
1045should be sufficient. Examples have been seen of time fields like 12:1:03,
1046so just require one digit for hours and minutes. The weekday is also absent
1047in some forms. */
1048
1049uschar *uucp_from_pattern = US
1050 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1051 "(?:" /* Non-extracting bracket */
1052 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1053 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1054 ")" /* End alternation */
1055 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1056
1057uschar *uucp_from_sender = US"$1";
1058
1059uschar *warn_message_file = NULL;
1060uschar *warnmsg_delay = NULL;
1061uschar *warnmsg_recipients = NULL;
1062BOOL write_rejectlog = TRUE;
1063
1064uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1065uschar *version_date = US"?";
1066uschar *version_cnumber = US"????";
1067uschar *version_string = US"?";
1068
1069int warning_count = 0;
1070
1071/* End of globals.c */
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