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Added $smtp_active_hostname as a variable, and used it in smtp_banner
[exim.git] / src / src / globals.c
CommitLineData
1f5b4c3d 1/* $Cambridge: exim/src/src/globals.c,v 1.11 2004/12/22 12:05:46 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;
8523533c
TK		 167#ifdef WITH_CONTENT_SCAN
168uschar *acl_smtp_mime = NULL;
169#endif
059ec3d9
PH		 170uschar *acl_smtp_predata = NULL;
171uschar *acl_smtp_quit = NULL;
172uschar *acl_smtp_rcpt = NULL;
173uschar *acl_smtp_starttls = NULL;
174uschar *acl_smtp_vrfy = NULL;
175BOOL acl_temp_details = FALSE;
176uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
177uschar *acl_verify_message = NULL;
178header_line *acl_warn_headers = NULL;
179string_item *acl_warn_logged = NULL;
180
181/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
182error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
183
184uschar *acl_wherenames[] = { US"RCPT",
185 US"MAIL",
186 US"PREDATA",
8523533c
TK		 187#ifdef WITH_CONTENT_SCAN
188 US"MIME",
189#endif
059ec3d9
PH		 190 US"DATA",
191 US"non-SMTP",
192 US"AUTH",
193 US"connection",
194 US"ETRN",
195 US"EXPN",
196 US"EHLO or HELO",
197 US"MAILAUTH",
198 US"QUIT",
199 US"STARTTLS",
200 US"VRFY"
201 };
202
203int acl_wherecodes[] = { 550, /* RCPT */
204 550, /* MAIL */
205 550, /* PREDATA */
8523533c
TK		 206#ifdef WITH_CONTENT_SCAN
207 550, /* MIME */
208#endif
059ec3d9
PH		 209 550, /* DATA */
210 0, /* not SMTP; not relevant */
211 503, /* AUTH */
212 550, /* connect */
213 458, /* ETRN */
214 550, /* EXPN */
215 550, /* HELO/EHLO */
216 0, /* MAILAUTH; not relevant */
217 0, /* QUIT; not relevant */
218 550, /* STARTTLS */
219 252 /* VRFY */
220 };
69358f02
PH		 221
222BOOL active_local_from_check = FALSE;
223BOOL active_local_sender_retain = FALSE;
059ec3d9
PH		 224BOOL accept_8bitmime = FALSE;
225address_item *addr_duplicate = NULL;
226
227address_item address_defaults = {
228 NULL, /* next */
229 NULL, /* parent */
230 NULL, /* first */
231 NULL, /* dupof */
232 NULL, /* start_router */
233 NULL, /* router */
234 NULL, /* transport */
235 NULL, /* host_list */
236 NULL, /* host_used */
237 NULL, /* fallback_hosts */
238 NULL, /* reply */
239 NULL, /* retries */
240 NULL, /* address */
241 NULL, /* unique */
242 NULL, /* cc_local_part */
243 NULL, /* lc_local_part */
244 NULL, /* local_part */
245 NULL, /* prefix */
246 NULL, /* suffix */
247 NULL, /* domain */
248 NULL, /* address_retry_key */
249 NULL, /* domain_retry_key */
250 NULL, /* current_dir */
251 NULL, /* home_dir */
252 NULL, /* message */
253 NULL, /* user_message */
254 NULL, /* onetime_parent */
255 NULL, /* pipe_expandn */
256 NULL, /* return_filename */
257 NULL, /* self_hostname */
258 NULL, /* shadow_message */
259 #ifdef SUPPORT_TLS
260 NULL, /* cipher */
261 NULL, /* peerdn */
262 #endif
263 (uid_t)(-1), /* uid */
264 (gid_t)(-1), /* gid */
265 0, /* flags */
266 { 0 }, /* domain_cache - any larger array should be zeroed */
267 { 0 }, /* localpart_cache - ditto */
268 -1, /* mode */
269 0, /* more_errno */
270 ERRNO_UNKNOWNERROR, /* basic_errno */
271 0, /* child_count */
272 -1, /* return_file */
273 SPECIAL_NONE, /* special_action */
274 DEFER, /* transport_return */
275 { /* fields that are propagated to children */
276 NULL, /* address_data */
277 NULL, /* domain_data */
278 NULL, /* localpart_data */
279 NULL, /* errors_address */
280 NULL, /* extra_headers */
281 NULL, /* remove_headers */
282 }
283};
284
285uschar *address_file = NULL;
286uschar *address_pipe = NULL;
287BOOL address_test_mode = FALSE;
288tree_node *addresslist_anchor = NULL;
289int addresslist_count = 0;
290gid_t *admin_groups = NULL;
291BOOL admin_user = FALSE;
292BOOL allow_domain_literals = FALSE;
293BOOL allow_mx_to_ip = FALSE;
294BOOL allow_unqualified_recipient = TRUE; /* For local messages */
295BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
296BOOL allow_utf8_domains = FALSE;
297uschar *authenticated_id = NULL;
298uschar *authenticated_sender = NULL;
299BOOL authentication_failed = FALSE;
300auth_instance *auths = NULL;
301uschar *auth_advertise_hosts = US"*";
302auth_instance auth_defaults = {
303 NULL, /* chain pointer */
304 NULL, /* name */
305 NULL, /* info */
306 NULL, /* private options block pointer */
307 NULL, /* driver_name */
308 NULL, /* advertise_condition */
309 NULL, /* public_name */
310 NULL, /* set_id */
311 NULL, /* server_mail_auth_condition */
312 NULL, /* server_debug_string */
313 FALSE, /* client */
314 FALSE, /* server */
315 FALSE /* advertised */
316};
317
318uschar *auth_defer_msg = US"reason not recorded";
319uschar *auth_defer_user_msg = US"";
320int auto_thaw = 0;
8523533c
TK		 321#ifdef WITH_CONTENT_SCAN
322uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
323#endif
059ec3d9
PH		 324
325BOOL background_daemon = TRUE;
326uschar *base62_chars=
327 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
328uschar *bi_command = NULL;
329uschar *big_buffer = NULL;
330int big_buffer_size = BIG_BUFFER_SIZE;
8523533c
TK		 331#ifdef EXPERIMENTAL_BRIGHTMAIL
332uschar *bmi_alt_location = NULL;
333uschar *bmi_base64_tracker_verdict = NULL;
334uschar *bmi_base64_verdict = NULL;
335uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
336int bmi_deliver = 1;
337int bmi_run = 0;
338uschar *bmi_verdicts = NULL;
339#endif
059ec3d9
PH		 340int body_linecount = 0;
341int body_zerocount = 0;
342uschar *bounce_message_file = NULL;
343uschar *bounce_message_text = NULL;
344uschar *bounce_recipient = NULL;
345BOOL bounce_return_body = TRUE;
346BOOL bounce_return_message = TRUE;
347int bounce_return_size_limit = 100*1024;
348uschar *bounce_sender_authentication = NULL;
349int bsmtp_transaction_linecount = 0;
350
351int callout_cache_domain_positive_expire = 7*24*60*60;
352int callout_cache_domain_negative_expire = 3*60*60;
353int callout_cache_positive_expire = 24*60*60;
354int callout_cache_negative_expire = 2*60*60;
355uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
356uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
357int check_log_inodes = 0;
358int check_log_space = 0;
359int check_spool_inodes = 0;
360int check_spool_space = 0;
361int clmacro_count = 0;
362uschar *clmacros[MAX_CLMACROS];
363BOOL config_changed = FALSE;
364FILE *config_file = NULL;
365uschar *config_filename = NULL;
366int config_lineno = 0;
35edf2ff
PH		 367#ifdef CONFIGURE_GROUP
368gid_t config_gid = CONFIGURE_GROUP;
369#endif
059ec3d9
PH		 370uschar *config_main_filelist = US CONFIGURE_FILE
371 "\0<-----------Space to patch configure_filename->";
372uschar *config_main_filename = NULL;
373
374#ifdef CONFIGURE_OWNER
375uid_t config_uid = CONFIGURE_OWNER;
376#endif
377
378int connection_max_messages= -1;
379uschar *continue_hostname = NULL;
380uschar *continue_host_address = NULL;
381BOOL continue_more = FALSE;
382int continue_sequence = 1;
383uschar *continue_transport = NULL;
384
385BOOL daemon_listen = FALSE;
386uschar *daemon_smtp_port = US"smtp";
3d235903 387BOOL debug_daemon = FALSE;
059ec3d9
PH		 388int debug_fd = -1;
389FILE *debug_file = NULL;
390bit_table debug_options[] = {
391 { US"acl", D_acl },
392 { US"all", D_all },
393 { US"auth", D_auth },
394 { US"deliver", D_deliver },
395 { US"dns", D_dns },
396 { US"dnsbl", D_dnsbl },
397 { US"exec", D_exec },
398 { US"expand", D_expand },
399 { US"filter", D_filter },
400 { US"hints_lookup", D_hints_lookup },
401 { US"host_lookup", D_host_lookup },
402 { US"ident", D_ident },
403 { US"interface", D_interface },
404 { US"lists", D_lists },
405 { US"load", D_load },
406 { US"local_scan", D_local_scan },
407 { US"lookup", D_lookup },
408 { US"memory", D_memory },
409 { US"pid", D_pid },
410 { US"process_info", D_process_info },
411 { US"queue_run", D_queue_run },
412 { US"receive", D_receive },
413 { US"resolver", D_resolver },
414 { US"retry", D_retry },
415 { US"rewrite", D_rewrite },
416 { US"route", D_route },
417 { US"timestamp", D_timestamp },
418 { US"tls", D_tls },
419 { US"transport", D_transport },
420 { US"uid", D_uid },
421 { US"verify", D_verify }
422};
423int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
424unsigned int debug_selector = 0;
425int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
426uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
427BOOL delivery_date_remove = TRUE;
428uschar *deliver_address_data = NULL;
429int deliver_datafile = -1;
430uschar *deliver_domain = NULL;
431uschar *deliver_domain_data = NULL;
432uschar *deliver_domain_orig = NULL;
433uschar *deliver_domain_parent = NULL;
434BOOL deliver_drop_privilege = FALSE;
435BOOL deliver_firsttime = FALSE;
436BOOL deliver_force = FALSE;
437BOOL deliver_freeze = FALSE;
438int deliver_frozen_at = 0;
439uschar *deliver_home = NULL;
440uschar *deliver_host = NULL;
441uschar *deliver_host_address = NULL;
442uschar *deliver_in_buffer = NULL;
443ino_t deliver_inode = 0;
444uschar *deliver_localpart = NULL;
445uschar *deliver_localpart_data = NULL;
446uschar *deliver_localpart_orig = NULL;
447uschar *deliver_localpart_parent = NULL;
448uschar *deliver_localpart_prefix = NULL;
449uschar *deliver_localpart_suffix = NULL;
450BOOL deliver_force_thaw = FALSE;
451BOOL deliver_manual_thaw = FALSE;
452uschar *deliver_out_buffer = NULL;
453int deliver_queue_load_max = -1;
454address_item *deliver_recipients = NULL;
455uschar *deliver_selectstring = NULL;
456BOOL deliver_selectstring_regex = FALSE;
457uschar *deliver_selectstring_sender = NULL;
458BOOL deliver_selectstring_sender_regex = FALSE;
8523533c
TK		 459#ifdef WITH_OLD_DEMIME
460int demime_errorlevel = 0;
461int demime_ok = 0;
462uschar *demime_reason = NULL;
463#endif
059ec3d9
PH		 464BOOL disable_logging = FALSE;
465
466uschar *dns_again_means_nonexist = NULL;
467uschar *dns_ipv4_lookup = NULL;
468int dns_retrans = 0;
469int dns_retry = 0;
470uschar *dnslist_domain = NULL;
471uschar *dnslist_text = NULL;
472uschar *dnslist_value = NULL;
473tree_node *domainlist_anchor = NULL;
474int domainlist_count = 0;
475BOOL dont_deliver = FALSE;
476BOOL dot_ends = TRUE;
477BOOL drop_cr = FALSE; /* No longer used */
478
479BOOL enable_dollar_recipients = FALSE;
480BOOL envelope_to_remove = TRUE;
481int errno_quota = ERRNO_QUOTA;
482uschar *errors_copy = NULL;
483int error_handling = ERRORS_SENDER;
484uschar *errors_reply_to = NULL;
485int errors_sender_rc = EXIT_FAILURE;
486
487gid_t exim_gid = EXIM_GID;
488BOOL exim_gid_set = TRUE; /* This gid is always set */
489uschar *exim_path = US BIN_DIRECTORY "/exim"
490 "\0<---------------Space to patch exim_path->";
491uid_t exim_uid = EXIM_UID;
492BOOL exim_uid_set = TRUE; /* This uid is always set */
493int expand_forbid = 0;
494int expand_nlength[EXPAND_MAXN+1];
495int expand_nmax = -1;
496uschar *expand_nstring[EXPAND_MAXN+1];
497BOOL expand_string_forcedfail = FALSE;
498uschar *expand_string_message;
499BOOL extract_addresses_remove_arguments = TRUE;
500uschar *extra_local_interfaces = NULL;
501
8523533c
TK		 502#ifdef WITH_CONTENT_SCAN
503BOOL fake_reject = FALSE;
504uschar *fake_reject_text = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legit message, it may still be delivered to the target recipient(s).";
505#endif
059ec3d9
PH		 506int filter_n[FILTER_VARIABLE_COUNT];
507BOOL filter_running = FALSE;
508int filter_sn[FILTER_VARIABLE_COUNT];
f05da2e8
PH		 509int filter_test = FTEST_NONE;
510uschar *filter_test_sfile = NULL;
511uschar *filter_test_ufile = NULL;
059ec3d9
PH		 512uschar *filter_thisaddress = NULL;
513int finduser_retries = 0;
8523533c
TK		 514#ifdef WITH_OLD_DEMIME
515uschar *found_extension = NULL;
516#endif
059ec3d9
PH		 517uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
518uschar *freeze_tell = NULL;
519uschar *fudged_queue_times = US"";
520
521uschar *gecos_name = NULL;
522uschar *gecos_pattern = NULL;
523rewrite_rule *global_rewrite_rules = NULL;
524
525uschar *headers_charset = US HEADERS_CHARSET;
526int header_insert_maxlen = 64 * 1024;
527header_line *header_last = NULL;
528header_line *header_list = NULL;
529int header_maxsize = HEADER_MAXSIZE;
530int header_line_maxsize = 0;
531
532header_name header_names[] = {
533 { US"bcc", 3, TRUE, htype_bcc },
534 { US"cc", 2, TRUE, htype_cc },
535 { US"date", 4, TRUE, htype_date },
536 { US"delivery-date", 13, FALSE, htype_delivery_date },
537 { US"envelope-to", 11, FALSE, htype_envelope_to },
538 { US"from", 4, TRUE, htype_from },
539 { US"message-id", 10, TRUE, htype_id },
540 { US"received", 8, FALSE, htype_received },
541 { US"reply-to", 8, FALSE, htype_reply_to },
542 { US"return-path", 11, FALSE, htype_return_path },
543 { US"sender", 6, TRUE, htype_sender },
544 { US"subject", 7, FALSE, htype_subject },
545 { US"to", 2, TRUE, htype_to }
546};
547
548int header_names_size = sizeof(header_names)/sizeof(header_name);
549
550BOOL header_rewritten = FALSE;
551uschar *helo_accept_junk_hosts = NULL;
552uschar *helo_allow_chars = US"";
553uschar *helo_lookup_domains = US"@ : @[]";
554uschar *helo_try_verify_hosts = NULL;
555BOOL helo_verified = FALSE;
556uschar *helo_verify_hosts = NULL;
557uschar *hex_digits = US"0123456789abcdef";
558uschar *hold_domains = NULL;
559BOOL host_checking = FALSE;
560BOOL host_checking_callout = FALSE;
561uschar *host_data = NULL;
562BOOL host_find_failed_syntax= FALSE;
563uschar *host_lookup = NULL;
564BOOL host_lookup_failed = FALSE;
565uschar *host_lookup_order = US"bydns:byaddr";
566uschar *host_lookup_msg = US"";
567int host_number = 0;
568uschar *host_number_string = NULL;
569uschar *host_reject_connection = NULL;
570tree_node *hostlist_anchor = NULL;
571int hostlist_count = 0;
572uschar *hosts_treat_as_local = NULL;
573uschar *hosts_connection_nolog = NULL;
574
575int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
576BOOL ignore_fromline_local = FALSE;
577uschar *ignore_fromline_hosts = NULL;
578uschar *interface_address = NULL;
579int interface_port = -1;
580BOOL is_inetd = FALSE;
581
582int journal_fd = -1;
583
584int keep_malformed = 4*24*60*60; /* 4 days */
585
586uschar *eldap_dn = NULL;
587int load_average = -2;
588BOOL local_error_message = FALSE;
589BOOL local_from_check = TRUE;
590uschar *local_from_prefix = NULL;
591uschar *local_from_suffix = NULL;
592
593#if HAVE_IPV6
594uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
595#else
596uschar *local_interfaces = US"0.0.0.0";
597#endif
598
599uschar *local_scan_data = NULL;
600int local_scan_timeout = 5*60;
601BOOL local_sender_retain = FALSE;
602gid_t local_user_gid = (gid_t)(-1);
603uid_t local_user_uid = (uid_t)(-1);
604
605tree_node *localpartlist_anchor= NULL;
606int localpartlist_count = 0;
607uschar *log_buffer = NULL;
608unsigned int log_extra_selector = LX_default;
609uschar *log_file_path = US LOG_FILE_PATH
610 "\0<--------------Space to patch log_file_path->";
611
612/* Those log options with L_xxx identifiers have values less than 0x800000 and
613are the ones that get put into log_write_selector. They can be used in calls to
614log_write() to test for the bit. The options with LX_xxx identifiers have
615values greater than 0x80000000 and are put int log_extra_selector (without the
616top bit). They are never used in calls to log_write(), but are tested
617independently. This separation became necessary when the number of log
618selectors was getting close to filling a 32-bit word. */
619
620bit_table log_options[] = {
621 { US"address_rewrite", L_address_rewrite },
622 { US"all", L_all },
623 { US"all_parents", L_all_parents },
624 { US"arguments", LX_arguments },
625 { US"connection_reject", L_connection_reject },
626 { US"delay_delivery", L_delay_delivery },
627 { US"deliver_time", LX_deliver_time },
628 { US"delivery_size", LX_delivery_size },
629 { US"dnslist_defer", L_dnslist_defer },
630 { US"etrn", L_etrn },
631 { US"host_lookup_failed", L_host_lookup_failed },
632 { US"ident_timeout", LX_ident_timeout },
633 { US"incoming_interface", LX_incoming_interface },
634 { US"incoming_port", LX_incoming_port },
635 { US"lost_incoming_connection", L_lost_incoming_connection },
636 { US"outgoing_port", LX_outgoing_port },
637 { US"queue_run", L_queue_run },
638 { US"queue_time", LX_queue_time },
2ac0e484 639 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH		 640 { US"received_recipients", LX_received_recipients },
641 { US"received_sender", LX_received_sender },
642 { US"rejected_header", LX_rejected_header },
643 { US"rejected_headers", LX_rejected_header },
644 { US"retry_defer", L_retry_defer },
645 { US"return_path_on_delivery", LX_return_path_on_delivery },
646 { US"sender_on_delivery", LX_sender_on_delivery },
647 { US"size_reject", L_size_reject },
648 { US"skip_delivery", L_skip_delivery },
649 { US"smtp_confirmation", LX_smtp_confirmation },
650 { US"smtp_connection", L_smtp_connection },
651 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
652 { US"smtp_protocol_error", L_smtp_protocol_error },
653 { US"smtp_syntax_error", L_smtp_syntax_error },
654 { US"subject", LX_subject },
655 { US"tls_certificate_verified", LX_tls_certificate_verified },
656 { US"tls_cipher", LX_tls_cipher },
657 { US"tls_peerdn", LX_tls_peerdn }
658};
659
660int log_options_count = sizeof(log_options)/sizeof(bit_table);
661unsigned int log_write_selector= L_default;
662uschar *log_selector_string = NULL;
663FILE *log_stderr = NULL;
664BOOL log_testing_mode = FALSE;
665BOOL log_timezone = FALSE;
666uschar *login_sender_address = NULL;
667int lookup_open_max = 25;
668uschar *lookup_value = NULL;
669
670macro_item *macros = NULL;
671uschar *mailstore_basename = NULL;
8523533c
TK		 672#ifdef WITH_CONTENT_SCAN
673uschar *malware_name = NULL; /* Virus Name */
674#endif
059ec3d9
PH		 675int max_username_length = 0;
676int message_age = 0;
677uschar *message_body = NULL;
678uschar *message_body_end = NULL;
679int message_body_size = 0;
680int message_body_visible = 500;
681int message_ended = END_NOTSTARTED;
682uschar *message_headers = NULL;
683uschar *message_id;
684uschar *message_id_domain = NULL;
685uschar *message_id_text = NULL;
686struct timeval message_id_tv = { 0, 0 };
687uschar message_id_option[MESSAGE_ID_LENGTH + 3];
688uschar *message_id_external;
689int message_linecount = 0;
690BOOL message_logs = TRUE;
691int message_size = 0;
692uschar *message_size_limit = US"50M";
693uschar message_subdir[2] = { 0, 0 };
694uschar *message_reference = NULL;
8523533c
TK		 695
696/* MIME ACL expandables */
697#ifdef WITH_CONTENT_SCAN
f7b63901 698int mime_anomaly_level = 0;
8523533c
TK		 699uschar *mime_anomaly_text = NULL;
700uschar *mime_boundary = NULL;
701uschar *mime_charset = NULL;
702uschar *mime_content_description = NULL;
703uschar *mime_content_disposition = NULL;
704uschar *mime_content_id = NULL;
705unsigned int mime_content_size = 0;
706uschar *mime_content_transfer_encoding = NULL;
707uschar *mime_content_type = NULL;
708uschar *mime_decoded_filename = NULL;
709uschar *mime_filename = NULL;
710int mime_is_multipart = 0;
711int mime_is_coverletter = 0;
712int mime_is_rfc822 = 0;
713int mime_part_count = -1;
714#endif
715
059ec3d9
PH		 716BOOL mua_wrapper = FALSE;
717
718uid_t *never_users = NULL;
8523533c
TK		 719#ifdef WITH_CONTENT_SCAN
720BOOL no_mbox_unspool = FALSE;
721#endif
059ec3d9
PH		 722BOOL no_multiline_responses = FALSE;
723
724uid_t original_euid;
725gid_t originator_gid;
726uschar *originator_login = NULL;
727uschar *originator_name = NULL;
728uid_t originator_uid;
729uschar *override_local_interfaces = NULL;
730uschar *override_pid_file_path = NULL;
731
732BOOL parse_allow_group = FALSE;
733BOOL parse_found_group = FALSE;
734uschar *percent_hack_domains = NULL;
735uschar *pid_file_path = US PID_FILE_PATH
736 "\0<--------------Space to patch pid_file_path->";
737uschar *pipelining_advertise_hosts = US"*";
738BOOL preserve_message_logs = FALSE;
739uschar *primary_hostname = NULL;
740BOOL print_topbitchars = FALSE;
741uschar process_info[PROCESS_INFO_SIZE];
742uschar *process_log_path = NULL;
743BOOL prod_requires_admin = TRUE;
744
745uschar *qualify_domain_recipient = NULL;
746uschar *qualify_domain_sender = NULL;
747BOOL queue_2stage = FALSE;
748uschar *queue_domains = NULL;
749int queue_interval = -1;
750BOOL queue_list_requires_admin = TRUE;
751BOOL queue_only = FALSE;
752uschar *queue_only_file = NULL;
753int queue_only_load = -1;
754BOOL queue_only_override = TRUE;
755BOOL queue_only_policy = FALSE;
756BOOL queue_run_first_delivery = FALSE;
757BOOL queue_run_force = FALSE;
758BOOL queue_run_in_order = FALSE;
759BOOL queue_run_local = FALSE;
760int queue_run_max = 5;
761pid_t queue_run_pid = (pid_t)0;
762int queue_run_pipe = -1;
763BOOL queue_running = FALSE;
764BOOL queue_smtp = FALSE;
765uschar *queue_smtp_domains = NULL;
766
767unsigned int random_seed = 0;
768uschar *raw_active_hostname = NULL;
769uschar *raw_sender = NULL;
770uschar **raw_recipients = NULL;
771int raw_recipients_count = 0;
772
773int rcpt_count = 0;
774int rcpt_fail_count = 0;
775int rcpt_defer_count = 0;
776gid_t real_gid;
777uid_t real_uid;
778BOOL really_exim = TRUE;
779BOOL receive_call_bombout = FALSE;
780int receive_linecount = 0;
781int receive_messagecount = 0;
782int receive_timeout = 0;
783int received_count = 0;
784uschar *received_for = NULL;
785
786/* This is the default text for Received headers generated by Exim. The
787date will be automatically added on the end. */
788
789uschar *received_header_text = US
790 "Received: "
791 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
792 "{${if def:sender_ident {from $sender_ident }}"
793 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
794 "by $primary_hostname "
795 "${if def:received_protocol {with $received_protocol}} "
796 #ifdef SUPPORT_TLS
797 "${if def:tls_cipher {($tls_cipher)\n\t}}"
798 #endif
799 "(Exim $version_number)\n\t"
800 "id $message_id"
801 "${if def:received_for {\n\tfor $received_for}}"
802 "\0<---------------Space to patch received_header_text->";
803
804int received_headers_max = 30;
805uschar *received_protocol = NULL;
806int received_time = 0;
807uschar *recipient_data = NULL;
808uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 809uschar *recipient_verify_failure = NULL;
059ec3d9
PH		 810int recipients_count = 0;
811BOOL recipients_discarded = FALSE;
812recipient_item *recipients_list = NULL;
813int recipients_list_max = 0;
814int recipients_max = 0;
815BOOL recipients_max_reject = FALSE;
816const pcre *regex_AUTH = NULL;
817const pcre *regex_check_dns_names = NULL;
818const pcre *regex_From = NULL;
819const pcre *regex_PIPELINING = NULL;
820const pcre *regex_SIZE = NULL;
821const pcre *regex_ismsgid = NULL;
8523533c
TK		 822#ifdef WITH_CONTENT_SCAN
823uschar *regex_match_string = NULL;
824#endif
059ec3d9
PH		 825int remote_delivery_count = 0;
826int remote_max_parallel = 2;
827uschar *remote_sort_domains = NULL;
828int retry_data_expire = 7*24*60*60;
829int retry_interval_max = 24*60*60;
830int retry_maximum_timeout = 0; /* set from retry config */
831retry_config *retries = NULL;
832uschar *return_path = NULL;
833BOOL return_path_remove = TRUE;
834int rewrite_existflags = 0;
835uschar *rfc1413_hosts = US"*";
836int rfc1413_query_timeout = 30;
837/* BOOL rfc821_domains = FALSE; <<< on the way out */
838uid_t root_uid = ROOT_UID;
839
840router_instance *routers = NULL;
841router_instance router_defaults = {
842 NULL, /* chain pointer */
843 NULL, /* name */
844 NULL, /* info */
845 NULL, /* private options block pointer */
846 NULL, /* driver name */
847
848 NULL, /* address_data */
8523533c
TK		 849#ifdef EXPERIMENTAL_BRIGHTMAIL
850 NULL, /* bmi_rule */
851#endif
059ec3d9
PH		 852 NULL, /* cannot_route_message */
853 NULL, /* condition */
854 NULL, /* current_directory */
855 NULL, /* debug_string */
856 NULL, /* domains */
857 NULL, /* errors_to */
858 NULL, /* expand_gid */
859 NULL, /* expand_uid */
860 NULL, /* expand_more */
861 NULL, /* expand_unseen */
862 NULL, /* extra_headers */
863 NULL, /* fallback_hosts */
864 NULL, /* home_directory */
865 NULL, /* ignore_target_hosts */
866 NULL, /* local_parts */
867 NULL, /* pass_router_name */
868 NULL, /* prefix */
869 NULL, /* redirect_router_name */
870 NULL, /* remove_headers */
871 NULL, /* require_files */
872 NULL, /* router_home_directory */
873 US"freeze", /* self */
874 NULL, /* senders */
875 NULL, /* suffix */
876 NULL, /* translate_ip_address */
877 NULL, /* transport_name */
878
879 TRUE, /* address_test */
8523533c
TK		 880#ifdef EXPERIMENTAL_BRIGHTMAIL
881 FALSE, /* bmi_deliver_alternate */
882 FALSE, /* bmi_deliver_default */
883 FALSE, /* bmi_dont_deliver */
884#endif
059ec3d9
PH		 885 TRUE, /* expn */
886 FALSE, /* caseful_local_part */
887 FALSE, /* check_local_user */
888 FALSE, /* disable_logging */
889 FALSE, /* fail_verify_recipient */
890 FALSE, /* fail_verify_sender */
891 FALSE, /* gid_set */
892 FALSE, /* initgroups */
893 TRUE_UNSET, /* log_as_local */
894 TRUE, /* more */
895 FALSE, /* pass_on_timeout */
896 FALSE, /* prefix_optional */
897 TRUE, /* repeat_use */
898 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
899 FALSE, /* same_domain_copy_routing */
900 FALSE, /* self_rewrite */
901 FALSE, /* suffix_optional */
902 FALSE, /* verify_only */
903 TRUE, /* verify_recipient */
904 TRUE, /* verify_sender */
905 FALSE, /* uid_set */
906 FALSE, /* unseen */
907
908 self_freeze, /* self_code */
909 (uid_t)(-1), /* uid */
910 (gid_t)(-1), /* gid */
911
912 NULL, /* fallback_hostlist */
913 NULL, /* transport instance */
914 NULL, /* pass_router */
915 NULL /* redirect_router */
916};
917
918ip_address_item *running_interfaces = NULL;
919BOOL running_in_test_harness = FALSE;
920
921/* This is a weird one. The following string gets patched in the binary by the
922script that sets up a copy of Exim for running in the test harness. It seems
923that compilers are now clever, and share constant strings if they can.
924Elsewhere in Exim the string "<" is used. The compiler optimization seems to
925make use of the end of this string in order to save space. So the patching then
926wrecks this. We default this optimization by adding some additional characters
927onto the end of the string. */
928
929uschar *running_status = US">>>running<<<" "\0EXTRA";
930
931int runrc = 0;
932
933uschar *search_error_message = NULL;
934BOOL search_find_defer = FALSE;
935uschar *self_hostname = NULL;
936uschar *sender_address = NULL;
937unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 938uschar *sender_address_data = NULL;
059ec3d9
PH		 939BOOL sender_address_forced = FALSE;
940uschar *sender_address_unrewritten = NULL;
941uschar *sender_data = NULL;
942unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
943uschar *sender_fullhost = NULL;
944uschar *sender_helo_name = NULL;
945uschar **sender_host_aliases = &no_aliases;
946uschar *sender_host_address = NULL;
947uschar *sender_host_authenticated = NULL;
948unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
949uschar *sender_host_name = NULL;
950int sender_host_port = 0;
951BOOL sender_host_notsocket = FALSE;
952BOOL sender_host_unknown = FALSE;
953uschar *sender_ident = NULL;
954BOOL sender_local = FALSE;
955uschar *sender_rcvhost = NULL;
956BOOL sender_set_untrusted = FALSE;
957uschar *sender_unqualified_hosts = NULL;
2c7db3f5 958uschar *sender_verify_failure = NULL;
059ec3d9
PH		 959address_item *sender_verified_list = NULL;
960address_item *sender_verified_failed = NULL;
961int sender_verified_rc = -1;
962BOOL sender_verified_responded = FALSE;
963volatile BOOL sigalrm_seen = FALSE;
964uschar **sighup_argv = NULL;
965int smtp_accept_count = 0;
966BOOL smtp_accept_keepalive = TRUE;
967int smtp_accept_max = 20;
968int smtp_accept_max_nonmail= 10;
969uschar *smtp_accept_max_nonmail_hosts = US"*";
970int smtp_accept_max_per_connection = 1000;
971uschar *smtp_accept_max_per_host = NULL;
972int smtp_accept_queue = 0;
973int smtp_accept_queue_per_connection = 10;
974int smtp_accept_reserve = 0;
975uschar *smtp_active_hostname = NULL;
976BOOL smtp_authenticated = FALSE;
1f5b4c3d 977uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH		 978 "Exim $version_number $tod_full"
979 "\0<---------------Space to patch smtp_banner->";
980BOOL smtp_batched_input = FALSE;
981BOOL smtp_check_spool_space = TRUE;
982uschar *smtp_command_argument = NULL;
983int smtp_connect_backlog = 20;
984double smtp_delay_mail = 0.0;
985double smtp_delay_rcpt = 0.0;
986BOOL smtp_enforce_sync = TRUE;
987FILE *smtp_in = NULL;
988BOOL smtp_input = FALSE;
989int smtp_load_reserve = -1;
990int smtp_mailcmd_count = 0;
991FILE *smtp_out = NULL;
992uschar *smtp_etrn_command = NULL;
993BOOL smtp_etrn_serialize = TRUE;
994int smtp_max_synprot_errors= 3;
995int smtp_max_unknown_commands = 3;
996uschar *smtp_ratelimit_hosts = NULL;
997uschar *smtp_ratelimit_mail = NULL;
998uschar *smtp_ratelimit_rcpt = NULL;
999uschar *smtp_read_error = US"";
1000int smtp_receive_timeout = 5*60;
1001uschar *smtp_reserve_hosts = NULL;
1002BOOL smtp_return_error_details = FALSE;
1003int smtp_rlm_base = 0;
1004double smtp_rlm_factor = 0.0;
1005int smtp_rlm_limit = 0;
1006int smtp_rlm_threshold = INT_MAX;
1007int smtp_rlr_base = 0;
1008double smtp_rlr_factor = 0.0;
1009int smtp_rlr_limit = 0;
1010int smtp_rlr_threshold = INT_MAX;
1011BOOL smtp_use_pipelining = FALSE;
1012BOOL smtp_use_size = FALSE;
8523533c
TK		 1013
1014#ifdef WITH_CONTENT_SCAN
1015uschar *spamd_address = US"127.0.0.1 783";
1016uschar *spam_bar = NULL;
1017uschar *spam_report = NULL;
1018uschar *spam_score = NULL;
1019uschar *spam_score_int = NULL;
1020#endif
1021#ifdef EXPERIMENTAL_SPF
1022uschar *spf_header_comment = NULL;
1023uschar *spf_received = NULL;
1024uschar *spf_result = NULL;
1025uschar *spf_smtp_comment = NULL;
1026#endif
1027
059ec3d9
PH		 1028BOOL split_spool_directory = FALSE;
1029uschar *spool_directory = US SPOOL_DIRECTORY
1030 "\0<--------------Space to patch spool_directory->";
8523533c
TK		 1031#ifdef EXPERIMENTAL_SRS
1032uschar *srs_config = NULL;
1033uschar *srs_db_address = NULL;
1034uschar *srs_db_key = NULL;
1035uschar *srs_orig_recipient = NULL;
1036uschar *srs_orig_sender = NULL;
1037uschar *srs_recipient = NULL;
1038uschar *srs_status = NULL;
1039#endif
059ec3d9
PH		 1040int string_datestamp_offset= -1;
1041BOOL strip_excess_angle_brackets = FALSE;
1042BOOL strip_trailing_dot = FALSE;
1043uschar *submission_domain = NULL;
1044BOOL submission_mode = FALSE;
1045BOOL synchronous_delivery = FALSE;
1046BOOL syslog_duplication = TRUE;
1047int syslog_facility = LOG_MAIL;
1048uschar *syslog_processname = US"exim";
1049BOOL syslog_timestamp = TRUE;
1050uschar *system_filter = NULL;
1051
1052uschar *system_filter_directory_transport = NULL;
1053uschar *system_filter_file_transport = NULL;
1054uschar *system_filter_pipe_transport = NULL;
1055uschar *system_filter_reply_transport = NULL;
1056
1057gid_t system_filter_gid = 0;
1058BOOL system_filter_gid_set = FALSE;
1059uid_t system_filter_uid = 0;
1060BOOL system_filter_uid_set = FALSE;
1061BOOL system_filtering = FALSE;
1062
1063BOOL tcp_nodelay = TRUE;
1064int thismessage_size_limit = 0;
1065int timeout_frozen_after = 0;
1066BOOL timestamps_utc = FALSE;
1067
1068transport_instance *transports = NULL;
1069
1070transport_instance transport_defaults = {
1071 NULL, /* chain pointer */
1072 NULL, /* name */
1073 NULL, /* info */
1074 NULL, /* private options block pointer */
1075 NULL, /* driver name */
1076 NULL, /* setup entry point */
1077 1, /* batch_max */
1078 NULL, /* batch_id */
1079 NULL, /* home_dir */
1080 NULL, /* current_dir */
1081 TRUE, /* multi-domain */
1082 FALSE, /* overrides_hosts */
1083 100, /* max_addresses */
1084 500, /* connection_max_messages */
1085 FALSE, /* deliver_as_creator */
1086 FALSE, /* disable_logging */
1087 FALSE, /* initgroups */
1088 FALSE, /* uid_set */
1089 FALSE, /* gid_set */
1090 (uid_t)(-1), /* uid */
1091 (gid_t)(-1), /* gid */
1092 NULL, /* expand_uid */
1093 NULL, /* expand_gid */
1094 NULL, /* warn_message */
1095 NULL, /* shadow */
1096 NULL, /* shadow_condition */
1097 NULL, /* filter_command */
1098 NULL, /* add_headers */
1099 NULL, /* remove_headers */
1100 NULL, /* return_path */
1101 NULL, /* debug_string */
1102 NULL, /* message_size_limit */
1103 NULL, /* headers_rewrite */
1104 NULL, /* rewrite_rules */
1105 0, /* rewrite_existflags */
1106 300, /* filter_timeout */
1107 FALSE, /* body_only */
1108 FALSE, /* delivery_date_add */
1109 FALSE, /* envelope_to_add */
1110 FALSE, /* headers_only */
1111 FALSE, /* rcpt_include_affixes */
1112 FALSE, /* return_path_add */
1113 FALSE, /* return_output */
1114 FALSE, /* return_fail_output */
1115 FALSE, /* log_output */
1116 FALSE, /* log_fail_output */
1117 FALSE, /* log_defer_output */
1118 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1119 1 nor 0 so can detect unset */
1120};
1121
1122int transport_count;
1123uschar **transport_filter_argv = NULL;
1124int transport_filter_timeout;
1125int transport_write_timeout= 0;
1126
1127tree_node *tree_dns_fails = NULL;
1128tree_node *tree_duplicates = NULL;
1129tree_node *tree_nonrecipients = NULL;
1130tree_node *tree_unusable = NULL;
1131
1132BOOL trusted_caller = FALSE;
1133gid_t *trusted_groups = NULL;
1134uid_t *trusted_users = NULL;
1135uschar *timezone_string = US TIMEZONE_DEFAULT;
1136
1137uschar *unknown_login = NULL;
1138uschar *unknown_username = NULL;
1139uschar *untrusted_set_sender = NULL;
1140
1141/* A regex for matching a "From_" line in an incoming message, in the form
1142
1143 From ph10 Fri Jan 5 12:35 GMT 1996
1144
1145which the "mail" commands send to the MTA (undocumented, of course), or in
1146the form
1147
1148 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1149
1150which is apparently used by some UUCPs, despite it not being in RFC 976.
1151Because of variations in time formats, just match up to the minutes. That
1152should be sufficient. Examples have been seen of time fields like 12:1:03,
1153so just require one digit for hours and minutes. The weekday is also absent
1154in some forms. */
1155
1156uschar *uucp_from_pattern = US
1157 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1158 "(?:" /* Non-extracting bracket */
1159 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1160 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1161 ")" /* End alternation */
1162 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1163
1164uschar *uucp_from_sender = US"$1";
1165
1166uschar *warn_message_file = NULL;
1167uschar *warnmsg_delay = NULL;
1168uschar *warnmsg_recipients = NULL;
1169BOOL write_rejectlog = TRUE;
1170
1171uschar *version_copyright = US"Copyright (c) University of Cambridge 2004";
1172uschar *version_date = US"?";
1173uschar *version_cnumber = US"????";
1174uschar *version_string = US"?";
1175
1176int warning_count = 0;
1177
1178/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.