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[exim.git] / src / src / globals.c
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f05da2e8 1/* $Cambridge: exim/src/src/globals.c,v 1.8 2004/11/25 13:54:31 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";
3d235903 366BOOL debug_daemon = FALSE;
059ec3d9
PH		 367int debug_fd = -1;
368FILE *debug_file = NULL;
369bit_table debug_options[] = {
370 { US"acl", D_acl },
371 { US"all", D_all },
372 { US"auth", D_auth },
373 { US"deliver", D_deliver },
374 { US"dns", D_dns },
375 { US"dnsbl", D_dnsbl },
376 { US"exec", D_exec },
377 { US"expand", D_expand },
378 { US"filter", D_filter },
379 { US"hints_lookup", D_hints_lookup },
380 { US"host_lookup", D_host_lookup },
381 { US"ident", D_ident },
382 { US"interface", D_interface },
383 { US"lists", D_lists },
384 { US"load", D_load },
385 { US"local_scan", D_local_scan },
386 { US"lookup", D_lookup },
387 { US"memory", D_memory },
388 { US"pid", D_pid },
389 { US"process_info", D_process_info },
390 { US"queue_run", D_queue_run },
391 { US"receive", D_receive },
392 { US"resolver", D_resolver },
393 { US"retry", D_retry },
394 { US"rewrite", D_rewrite },
395 { US"route", D_route },
396 { US"timestamp", D_timestamp },
397 { US"tls", D_tls },
398 { US"transport", D_transport },
399 { US"uid", D_uid },
400 { US"verify", D_verify }
401};
402int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
403unsigned int debug_selector = 0;
404int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
405uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
406BOOL delivery_date_remove = TRUE;
407uschar *deliver_address_data = NULL;
408int deliver_datafile = -1;
409uschar *deliver_domain = NULL;
410uschar *deliver_domain_data = NULL;
411uschar *deliver_domain_orig = NULL;
412uschar *deliver_domain_parent = NULL;
413BOOL deliver_drop_privilege = FALSE;
414BOOL deliver_firsttime = FALSE;
415BOOL deliver_force = FALSE;
416BOOL deliver_freeze = FALSE;
417int deliver_frozen_at = 0;
418uschar *deliver_home = NULL;
419uschar *deliver_host = NULL;
420uschar *deliver_host_address = NULL;
421uschar *deliver_in_buffer = NULL;
422ino_t deliver_inode = 0;
423uschar *deliver_localpart = NULL;
424uschar *deliver_localpart_data = NULL;
425uschar *deliver_localpart_orig = NULL;
426uschar *deliver_localpart_parent = NULL;
427uschar *deliver_localpart_prefix = NULL;
428uschar *deliver_localpart_suffix = NULL;
429BOOL deliver_force_thaw = FALSE;
430BOOL deliver_manual_thaw = FALSE;
431uschar *deliver_out_buffer = NULL;
432int deliver_queue_load_max = -1;
433address_item *deliver_recipients = NULL;
434uschar *deliver_selectstring = NULL;
435BOOL deliver_selectstring_regex = FALSE;
436uschar *deliver_selectstring_sender = NULL;
437BOOL deliver_selectstring_sender_regex = FALSE;
438BOOL disable_logging = FALSE;
439
440uschar *dns_again_means_nonexist = NULL;
441uschar *dns_ipv4_lookup = NULL;
442int dns_retrans = 0;
443int dns_retry = 0;
444uschar *dnslist_domain = NULL;
445uschar *dnslist_text = NULL;
446uschar *dnslist_value = NULL;
447tree_node *domainlist_anchor = NULL;
448int domainlist_count = 0;
449BOOL dont_deliver = FALSE;
450BOOL dot_ends = TRUE;
451BOOL drop_cr = FALSE; /* No longer used */
452
453BOOL enable_dollar_recipients = FALSE;
454BOOL envelope_to_remove = TRUE;
455int errno_quota = ERRNO_QUOTA;
456uschar *errors_copy = NULL;
457int error_handling = ERRORS_SENDER;
458uschar *errors_reply_to = NULL;
459int errors_sender_rc = EXIT_FAILURE;
460
461gid_t exim_gid = EXIM_GID;
462BOOL exim_gid_set = TRUE; /* This gid is always set */
463uschar *exim_path = US BIN_DIRECTORY "/exim"
464 "\0<---------------Space to patch exim_path->";
465uid_t exim_uid = EXIM_UID;
466BOOL exim_uid_set = TRUE; /* This uid is always set */
467int expand_forbid = 0;
468int expand_nlength[EXPAND_MAXN+1];
469int expand_nmax = -1;
470uschar *expand_nstring[EXPAND_MAXN+1];
471BOOL expand_string_forcedfail = FALSE;
472uschar *expand_string_message;
473BOOL extract_addresses_remove_arguments = TRUE;
474uschar *extra_local_interfaces = NULL;
475
476int filter_n[FILTER_VARIABLE_COUNT];
477BOOL filter_running = FALSE;
478int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 479int filter_test = FTEST_NONE;
480uschar *filter_test_sfile = NULL;
481uschar *filter_test_ufile = NULL;
059ec3d9
PH		 482uschar *filter_thisaddress = NULL;
483int finduser_retries = 0;
484uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
485uschar *freeze_tell = NULL;
486uschar *fudged_queue_times = US"";
487
488uschar *gecos_name = NULL;
489uschar *gecos_pattern = NULL;
490rewrite_rule *global_rewrite_rules = NULL;
491
492uschar *headers_charset = US HEADERS_CHARSET;
493int header_insert_maxlen = 64 * 1024;
494header_line *header_last = NULL;
495header_line *header_list = NULL;
496int header_maxsize = HEADER_MAXSIZE;
497int header_line_maxsize = 0;
498
499header_name header_names[] = {
500 { US"bcc", 3, TRUE, htype_bcc },
501 { US"cc", 2, TRUE, htype_cc },
502 { US"date", 4, TRUE, htype_date },
503 { US"delivery-date", 13, FALSE, htype_delivery_date },
504 { US"envelope-to", 11, FALSE, htype_envelope_to },
505 { US"from", 4, TRUE, htype_from },
506 { US"message-id", 10, TRUE, htype_id },
507 { US"received", 8, FALSE, htype_received },
508 { US"reply-to", 8, FALSE, htype_reply_to },
509 { US"return-path", 11, FALSE, htype_return_path },
510 { US"sender", 6, TRUE, htype_sender },
511 { US"subject", 7, FALSE, htype_subject },
512 { US"to", 2, TRUE, htype_to }
513};
514
515int header_names_size = sizeof(header_names)/sizeof(header_name);
516
517BOOL header_rewritten = FALSE;
518uschar *helo_accept_junk_hosts = NULL;
519uschar *helo_allow_chars = US"";
520uschar *helo_lookup_domains = US"@ : @[]";
521uschar *helo_try_verify_hosts = NULL;
522BOOL helo_verified = FALSE;
523uschar *helo_verify_hosts = NULL;
524uschar *hex_digits = US"0123456789abcdef";
525uschar *hold_domains = NULL;
526BOOL host_checking = FALSE;
527BOOL host_checking_callout = FALSE;
528uschar *host_data = NULL;
529BOOL host_find_failed_syntax= FALSE;
530uschar *host_lookup = NULL;
531BOOL host_lookup_failed = FALSE;
532uschar *host_lookup_order = US"bydns:byaddr";
533uschar *host_lookup_msg = US"";
534int host_number = 0;
535uschar *host_number_string = NULL;
536uschar *host_reject_connection = NULL;
537tree_node *hostlist_anchor = NULL;
538int hostlist_count = 0;
539uschar *hosts_treat_as_local = NULL;
540uschar *hosts_connection_nolog = NULL;
541
542int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
543BOOL ignore_fromline_local = FALSE;
544uschar *ignore_fromline_hosts = NULL;
545uschar *interface_address = NULL;
546int interface_port = -1;
547BOOL is_inetd = FALSE;
548
549int journal_fd = -1;
550
551int keep_malformed = 4*24*60*60; /* 4 days */
552
553uschar *eldap_dn = NULL;
554int load_average = -2;
555BOOL local_error_message = FALSE;
556BOOL local_from_check = TRUE;
557uschar *local_from_prefix = NULL;
558uschar *local_from_suffix = NULL;
559
560#if HAVE_IPV6
561uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
562#else
563uschar *local_interfaces = US"0.0.0.0";
564#endif
565
566uschar *local_scan_data = NULL;
567int local_scan_timeout = 5*60;
568BOOL local_sender_retain = FALSE;
569gid_t local_user_gid = (gid_t)(-1);
570uid_t local_user_uid = (uid_t)(-1);
571
572tree_node *localpartlist_anchor= NULL;
573int localpartlist_count = 0;
574uschar *log_buffer = NULL;
575unsigned int log_extra_selector = LX_default;
576uschar *log_file_path = US LOG_FILE_PATH
577 "\0<--------------Space to patch log_file_path->";
578
579/* Those log options with L_xxx identifiers have values less than 0x800000 and
580are the ones that get put into log_write_selector. They can be used in calls to
581log_write() to test for the bit. The options with LX_xxx identifiers have
582values greater than 0x80000000 and are put int log_extra_selector (without the
583top bit). They are never used in calls to log_write(), but are tested
584independently. This separation became necessary when the number of log
585selectors was getting close to filling a 32-bit word. */
586
587bit_table log_options[] = {
588 { US"address_rewrite", L_address_rewrite },
589 { US"all", L_all },
590 { US"all_parents", L_all_parents },
591 { US"arguments", LX_arguments },
592 { US"connection_reject", L_connection_reject },
593 { US"delay_delivery", L_delay_delivery },
594 { US"deliver_time", LX_deliver_time },
595 { US"delivery_size", LX_delivery_size },
596 { US"dnslist_defer", L_dnslist_defer },
597 { US"etrn", L_etrn },
598 { US"host_lookup_failed", L_host_lookup_failed },
599 { US"ident_timeout", LX_ident_timeout },
600 { US"incoming_interface", LX_incoming_interface },
601 { US"incoming_port", LX_incoming_port },
602 { US"lost_incoming_connection", L_lost_incoming_connection },
603 { US"outgoing_port", LX_outgoing_port },
604 { US"queue_run", L_queue_run },
605 { US"queue_time", LX_queue_time },
2ac0e484 606 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH		 607 { US"received_recipients", LX_received_recipients },
608 { US"received_sender", LX_received_sender },
609 { US"rejected_header", LX_rejected_header },
610 { US"rejected_headers", LX_rejected_header },
611 { US"retry_defer", L_retry_defer },
612 { US"return_path_on_delivery", LX_return_path_on_delivery },
613 { US"sender_on_delivery", LX_sender_on_delivery },
614 { US"size_reject", L_size_reject },
615 { US"skip_delivery", L_skip_delivery },
616 { US"smtp_confirmation", LX_smtp_confirmation },
617 { US"smtp_connection", L_smtp_connection },
618 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
619 { US"smtp_protocol_error", L_smtp_protocol_error },
620 { US"smtp_syntax_error", L_smtp_syntax_error },
621 { US"subject", LX_subject },
622 { US"tls_certificate_verified", LX_tls_certificate_verified },
623 { US"tls_cipher", LX_tls_cipher },
624 { US"tls_peerdn", LX_tls_peerdn }
625};
626
627int log_options_count = sizeof(log_options)/sizeof(bit_table);
628unsigned int log_write_selector= L_default;
629uschar *log_selector_string = NULL;
630FILE *log_stderr = NULL;
631BOOL log_testing_mode = FALSE;
632BOOL log_timezone = FALSE;
633uschar *login_sender_address = NULL;
634int lookup_open_max = 25;
635uschar *lookup_value = NULL;
636
637macro_item *macros = NULL;
638uschar *mailstore_basename = NULL;
639int max_username_length = 0;
640int message_age = 0;
641uschar *message_body = NULL;
642uschar *message_body_end = NULL;
643int message_body_size = 0;
644int message_body_visible = 500;
645int message_ended = END_NOTSTARTED;
646uschar *message_headers = NULL;
647uschar *message_id;
648uschar *message_id_domain = NULL;
649uschar *message_id_text = NULL;
650struct timeval message_id_tv = { 0, 0 };
651uschar message_id_option[MESSAGE_ID_LENGTH + 3];
652uschar *message_id_external;
653int message_linecount = 0;
654BOOL message_logs = TRUE;
655int message_size = 0;
656uschar *message_size_limit = US"50M";
657uschar message_subdir[2] = { 0, 0 };
658uschar *message_reference = NULL;
659BOOL mua_wrapper = FALSE;
660
661uid_t *never_users = NULL;
662BOOL no_multiline_responses = FALSE;
663
664uid_t original_euid;
665gid_t originator_gid;
666uschar *originator_login = NULL;
667uschar *originator_name = NULL;
668uid_t originator_uid;
669uschar *override_local_interfaces = NULL;
670uschar *override_pid_file_path = NULL;
671
672BOOL parse_allow_group = FALSE;
673BOOL parse_found_group = FALSE;
674uschar *percent_hack_domains = NULL;
675uschar *pid_file_path = US PID_FILE_PATH
676 "\0<--------------Space to patch pid_file_path->";
677uschar *pipelining_advertise_hosts = US"*";
678BOOL preserve_message_logs = FALSE;
679uschar *primary_hostname = NULL;
680BOOL print_topbitchars = FALSE;
681uschar process_info[PROCESS_INFO_SIZE];
682uschar *process_log_path = NULL;
683BOOL prod_requires_admin = TRUE;
684
685uschar *qualify_domain_recipient = NULL;
686uschar *qualify_domain_sender = NULL;
687BOOL queue_2stage = FALSE;
688uschar *queue_domains = NULL;
689int queue_interval = -1;
690BOOL queue_list_requires_admin = TRUE;
691BOOL queue_only = FALSE;
692uschar *queue_only_file = NULL;
693int queue_only_load = -1;
694BOOL queue_only_override = TRUE;
695BOOL queue_only_policy = FALSE;
696BOOL queue_run_first_delivery = FALSE;
697BOOL queue_run_force = FALSE;
698BOOL queue_run_in_order = FALSE;
699BOOL queue_run_local = FALSE;
700int queue_run_max = 5;
701pid_t queue_run_pid = (pid_t)0;
702int queue_run_pipe = -1;
703BOOL queue_running = FALSE;
704BOOL queue_smtp = FALSE;
705uschar *queue_smtp_domains = NULL;
706
707unsigned int random_seed = 0;
708uschar *raw_active_hostname = NULL;
709uschar *raw_sender = NULL;
710uschar **raw_recipients = NULL;
711int raw_recipients_count = 0;
712
713int rcpt_count = 0;
714int rcpt_fail_count = 0;
715int rcpt_defer_count = 0;
716gid_t real_gid;
717uid_t real_uid;
718BOOL really_exim = TRUE;
719BOOL receive_call_bombout = FALSE;
720int receive_linecount = 0;
721int receive_messagecount = 0;
722int receive_timeout = 0;
723int received_count = 0;
724uschar *received_for = NULL;
725
726/* This is the default text for Received headers generated by Exim. The
727date will be automatically added on the end. */
728
729uschar *received_header_text = US
730 "Received: "
731 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
732 "{${if def:sender_ident {from $sender_ident }}"
733 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
734 "by $primary_hostname "
735 "${if def:received_protocol {with $received_protocol}} "
736 #ifdef SUPPORT_TLS
737 "${if def:tls_cipher {($tls_cipher)\n\t}}"
738 #endif
739 "(Exim $version_number)\n\t"
740 "id $message_id"
741 "${if def:received_for {\n\tfor $received_for}}"
742 "\0<---------------Space to patch received_header_text->";
743
744int received_headers_max = 30;
745uschar *received_protocol = NULL;
746int received_time = 0;
747uschar *recipient_data = NULL;
748uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 749uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 750int recipients_count = 0;
751BOOL recipients_discarded = FALSE;
752recipient_item *recipients_list = NULL;
753int recipients_list_max = 0;
754int recipients_max = 0;
755BOOL recipients_max_reject = FALSE;
756const pcre *regex_AUTH = NULL;
757const pcre *regex_check_dns_names = NULL;
758const pcre *regex_From = NULL;
759const pcre *regex_PIPELINING = NULL;
760const pcre *regex_SIZE = NULL;
761const pcre *regex_ismsgid = NULL;
762int remote_delivery_count = 0;
763int remote_max_parallel = 2;
764uschar *remote_sort_domains = NULL;
765int retry_data_expire = 7*24*60*60;
766int retry_interval_max = 24*60*60;
767int retry_maximum_timeout = 0; /* set from retry config */
768retry_config *retries = NULL;
769uschar *return_path = NULL;
770BOOL return_path_remove = TRUE;
771int rewrite_existflags = 0;
772uschar *rfc1413_hosts = US"*";
773int rfc1413_query_timeout = 30;
774/* BOOL rfc821_domains = FALSE; <<< on the way out */
775uid_t root_uid = ROOT_UID;
776
777router_instance *routers = NULL;
778router_instance router_defaults = {
779 NULL, /* chain pointer */
780 NULL, /* name */
781 NULL, /* info */
782 NULL, /* private options block pointer */
783 NULL, /* driver name */
784
785 NULL, /* address_data */
786 NULL, /* cannot_route_message */
787 NULL, /* condition */
788 NULL, /* current_directory */
789 NULL, /* debug_string */
790 NULL, /* domains */
791 NULL, /* errors_to */
792 NULL, /* expand_gid */
793 NULL, /* expand_uid */
794 NULL, /* expand_more */
795 NULL, /* expand_unseen */
796 NULL, /* extra_headers */
797 NULL, /* fallback_hosts */
798 NULL, /* home_directory */
799 NULL, /* ignore_target_hosts */
800 NULL, /* local_parts */
801 NULL, /* pass_router_name */
802 NULL, /* prefix */
803 NULL, /* redirect_router_name */
804 NULL, /* remove_headers */
805 NULL, /* require_files */
806 NULL, /* router_home_directory */
807 US"freeze", /* self */
808 NULL, /* senders */
809 NULL, /* suffix */
810 NULL, /* translate_ip_address */
811 NULL, /* transport_name */
812
813 TRUE, /* address_test */
814 TRUE, /* expn */
815 FALSE, /* caseful_local_part */
816 FALSE, /* check_local_user */
817 FALSE, /* disable_logging */
818 FALSE, /* fail_verify_recipient */
819 FALSE, /* fail_verify_sender */
820 FALSE, /* gid_set */
821 FALSE, /* initgroups */
822 TRUE_UNSET, /* log_as_local */
823 TRUE, /* more */
824 FALSE, /* pass_on_timeout */
825 FALSE, /* prefix_optional */
826 TRUE, /* repeat_use */
827 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
828 FALSE, /* same_domain_copy_routing */
829 FALSE, /* self_rewrite */
830 FALSE, /* suffix_optional */
831 FALSE, /* verify_only */
832 TRUE, /* verify_recipient */
833 TRUE, /* verify_sender */
834 FALSE, /* uid_set */
835 FALSE, /* unseen */
836
837 self_freeze, /* self_code */
838 (uid_t)(-1), /* uid */
839 (gid_t)(-1), /* gid */
840
841 NULL, /* fallback_hostlist */
842 NULL, /* transport instance */
843 NULL, /* pass_router */
844 NULL /* redirect_router */
845};
846
847ip_address_item *running_interfaces = NULL;
848BOOL running_in_test_harness = FALSE;
849
850/* This is a weird one. The following string gets patched in the binary by the
851script that sets up a copy of Exim for running in the test harness. It seems
852that compilers are now clever, and share constant strings if they can.
853Elsewhere in Exim the string "<" is used. The compiler optimization seems to
854make use of the end of this string in order to save space. So the patching then
855wrecks this. We default this optimization by adding some additional characters
856onto the end of the string. */
857
858uschar *running_status = US">>>running<<<" "\0EXTRA";
859
860int runrc = 0;
861
862uschar *search_error_message = NULL;
863BOOL search_find_defer = FALSE;
864uschar *self_hostname = NULL;
865uschar *sender_address = NULL;
866unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 867uschar *sender_address_data = NULL;
059ec3d9
PH		 868BOOL sender_address_forced = FALSE;
869uschar *sender_address_unrewritten = NULL;
870uschar *sender_data = NULL;
871unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
872uschar *sender_fullhost = NULL;
873uschar *sender_helo_name = NULL;
874uschar **sender_host_aliases = &no_aliases;
875uschar *sender_host_address = NULL;
876uschar *sender_host_authenticated = NULL;
877unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
878uschar *sender_host_name = NULL;
879int sender_host_port = 0;
880BOOL sender_host_notsocket = FALSE;
881BOOL sender_host_unknown = FALSE;
882uschar *sender_ident = NULL;
883BOOL sender_local = FALSE;
884uschar *sender_rcvhost = NULL;
885BOOL sender_set_untrusted = FALSE;
886uschar *sender_unqualified_hosts = NULL;
2c7db3f5 887uschar *sender_verify_failure = NULL;
059ec3d9
PH		 888address_item *sender_verified_list = NULL;
889address_item *sender_verified_failed = NULL;
890int sender_verified_rc = -1;
891BOOL sender_verified_responded = FALSE;
892volatile BOOL sigalrm_seen = FALSE;
893uschar **sighup_argv = NULL;
894int smtp_accept_count = 0;
895BOOL smtp_accept_keepalive = TRUE;
896int smtp_accept_max = 20;
897int smtp_accept_max_nonmail= 10;
898uschar *smtp_accept_max_nonmail_hosts = US"*";
899int smtp_accept_max_per_connection = 1000;
900uschar *smtp_accept_max_per_host = NULL;
901int smtp_accept_queue = 0;
902int smtp_accept_queue_per_connection = 10;
903int smtp_accept_reserve = 0;
904uschar *smtp_active_hostname = NULL;
905BOOL smtp_authenticated = FALSE;
906uschar *smtp_banner = US"$primary_hostname ESMTP "
907 "Exim $version_number $tod_full"
908 "\0<---------------Space to patch smtp_banner->";
909BOOL smtp_batched_input = FALSE;
910BOOL smtp_check_spool_space = TRUE;
911uschar *smtp_command_argument = NULL;
912int smtp_connect_backlog = 20;
913double smtp_delay_mail = 0.0;
914double smtp_delay_rcpt = 0.0;
915BOOL smtp_enforce_sync = TRUE;
916FILE *smtp_in = NULL;
917BOOL smtp_input = FALSE;
918int smtp_load_reserve = -1;
919int smtp_mailcmd_count = 0;
920FILE *smtp_out = NULL;
921uschar *smtp_etrn_command = NULL;
922BOOL smtp_etrn_serialize = TRUE;
923int smtp_max_synprot_errors= 3;
924int smtp_max_unknown_commands = 3;
925uschar *smtp_ratelimit_hosts = NULL;
926uschar *smtp_ratelimit_mail = NULL;
927uschar *smtp_ratelimit_rcpt = NULL;
928uschar *smtp_read_error = US"";
929int smtp_receive_timeout = 5*60;
930uschar *smtp_reserve_hosts = NULL;
931BOOL smtp_return_error_details = FALSE;
932int smtp_rlm_base = 0;
933double smtp_rlm_factor = 0.0;
934int smtp_rlm_limit = 0;
935int smtp_rlm_threshold = INT_MAX;
936int smtp_rlr_base = 0;
937double smtp_rlr_factor = 0.0;
938int smtp_rlr_limit = 0;
939int smtp_rlr_threshold = INT_MAX;
940BOOL smtp_use_pipelining = FALSE;
941BOOL smtp_use_size = FALSE;
942BOOL split_spool_directory = FALSE;
943uschar *spool_directory = US SPOOL_DIRECTORY
944 "\0<--------------Space to patch spool_directory->";
945int string_datestamp_offset= -1;
946BOOL strip_excess_angle_brackets = FALSE;
947BOOL strip_trailing_dot = FALSE;
948uschar *submission_domain = NULL;
949BOOL submission_mode = FALSE;
950BOOL synchronous_delivery = FALSE;
951BOOL syslog_duplication = TRUE;
952int syslog_facility = LOG_MAIL;
953uschar *syslog_processname = US"exim";
954BOOL syslog_timestamp = TRUE;
955uschar *system_filter = NULL;
956
957uschar *system_filter_directory_transport = NULL;
958uschar *system_filter_file_transport = NULL;
959uschar *system_filter_pipe_transport = NULL;
960uschar *system_filter_reply_transport = NULL;
961
962gid_t system_filter_gid = 0;
963BOOL system_filter_gid_set = FALSE;
964uid_t system_filter_uid = 0;
965BOOL system_filter_uid_set = FALSE;
966BOOL system_filtering = FALSE;
967
968BOOL tcp_nodelay = TRUE;
969int thismessage_size_limit = 0;
970int timeout_frozen_after = 0;
971BOOL timestamps_utc = FALSE;
972
973transport_instance *transports = NULL;
974
975transport_instance transport_defaults = {
976 NULL, /* chain pointer */
977 NULL, /* name */
978 NULL, /* info */
979 NULL, /* private options block pointer */
980 NULL, /* driver name */
981 NULL, /* setup entry point */
982 1, /* batch_max */
983 NULL, /* batch_id */
984 NULL, /* home_dir */
985 NULL, /* current_dir */
986 TRUE, /* multi-domain */
987 FALSE, /* overrides_hosts */
988 100, /* max_addresses */
989 500, /* connection_max_messages */
990 FALSE, /* deliver_as_creator */
991 FALSE, /* disable_logging */
992 FALSE, /* initgroups */
993 FALSE, /* uid_set */
994 FALSE, /* gid_set */
995 (uid_t)(-1), /* uid */
996 (gid_t)(-1), /* gid */
997 NULL, /* expand_uid */
998 NULL, /* expand_gid */
999 NULL, /* warn_message */
1000 NULL, /* shadow */
1001 NULL, /* shadow_condition */
1002 NULL, /* filter_command */
1003 NULL, /* add_headers */
1004 NULL, /* remove_headers */
1005 NULL, /* return_path */
1006 NULL, /* debug_string */
1007 NULL, /* message_size_limit */
1008 NULL, /* headers_rewrite */
1009 NULL, /* rewrite_rules */
1010 0, /* rewrite_existflags */
1011 300, /* filter_timeout */
1012 FALSE, /* body_only */
1013 FALSE, /* delivery_date_add */
1014 FALSE, /* envelope_to_add */
1015 FALSE, /* headers_only */
1016 FALSE, /* rcpt_include_affixes */
1017 FALSE, /* return_path_add */
1018 FALSE, /* return_output */
1019 FALSE, /* return_fail_output */
1020 FALSE, /* log_output */
1021 FALSE, /* log_fail_output */
1022 FALSE, /* log_defer_output */
1023 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1024 1 nor 0 so can detect unset */
1025};
1026
1027int transport_count;
1028uschar **transport_filter_argv = NULL;
1029int transport_filter_timeout;
1030int transport_write_timeout= 0;
1031
1032tree_node *tree_dns_fails = NULL;
1033tree_node *tree_duplicates = NULL;
1034tree_node *tree_nonrecipients = NULL;
1035tree_node *tree_unusable = NULL;
1036
1037BOOL trusted_caller = FALSE;
1038gid_t *trusted_groups = NULL;
1039uid_t *trusted_users = NULL;
1040uschar *timezone_string = US TIMEZONE_DEFAULT;
1041
1042uschar *unknown_login = NULL;
1043uschar *unknown_username = NULL;
1044uschar *untrusted_set_sender = NULL;
1045
1046/* A regex for matching a "From_" line in an incoming message, in the form
1047
1048 From ph10 Fri Jan 5 12:35 GMT 1996
1049
1050which the "mail" commands send to the MTA (undocumented, of course), or in
1051the form
1052
1053 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1054
1055which is apparently used by some UUCPs, despite it not being in RFC 976.
1056Because of variations in time formats, just match up to the minutes. That
1057should be sufficient. Examples have been seen of time fields like 12:1:03,
1058so just require one digit for hours and minutes. The weekday is also absent
1059in some forms. */
1060
1061uschar *uucp_from_pattern = US
1062 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1063 "(?:" /* Non-extracting bracket */
1064 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1065 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1066 ")" /* End alternation */
1067 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1068
1069uschar *uucp_from_sender = US"$1";
1070
1071uschar *warn_message_file = NULL;
1072uschar *warnmsg_delay = NULL;
1073uschar *warnmsg_recipients = NULL;
1074BOOL write_rejectlog = TRUE;
1075
1076uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1077uschar *version_date = US"?";
1078uschar *version_cnumber = US"????";
1079uschar *version_string = US"?";
1080
1081int warning_count = 0;
1082
1083/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.