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Add $message_exim_id as a synonym for $message_id, which will now be
[exim.git] / src / src / globals.c
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1/* $Cambridge: exim/src/src/globals.c,v 1.31 2005/08/01 14:00:35 ph10 Exp $ */
2
3/*************************************************
4* Exim - an Internet mail transport agent *
5*************************************************/
6
7/* Copyright (c) University of Cambridge 1995 - 2005 */
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 EXPAND_DLFUNC
66tree_node *dlobj_anchor = NULL;
67#endif
68
69#ifdef LOOKUP_IBASE
70uschar *ibase_servers = NULL;
71#endif
72
73#ifdef LOOKUP_LDAP
74uschar *eldap_default_servers = NULL;
75int eldap_version = -1;
76#endif
77
78#ifdef LOOKUP_MYSQL
79uschar *mysql_servers = NULL;
80#endif
81
82#ifdef LOOKUP_ORACLE
83uschar *oracle_servers = NULL;
84#endif
85
86#ifdef LOOKUP_PGSQL
87uschar *pgsql_servers = NULL;
88#endif
89
90#ifdef SUPPORT_MOVE_FROZEN_MESSAGES
91BOOL move_frozen_messages = FALSE;
92#endif
93
94/* These variables are outside the #ifdef because it keeps the code less
95cluttered in several places (e.g. during logging) if we can always refer to
96them. Also, the tls_ variables are now always visible. */
97
98BOOL tls_active = -1;
99BOOL tls_certificate_verified = FALSE;
100uschar *tls_cipher = NULL;
101BOOL tls_on_connect = FALSE;
102uschar *tls_on_connect_ports = NULL;
103uschar *tls_peerdn = NULL;
104
105#ifdef SUPPORT_TLS
106const pcre *regex_STARTTLS = NULL;
107uschar *tls_advertise_hosts = NULL; /* This is deliberate */
108uschar *tls_certificate = NULL;
109uschar *tls_crl = NULL;
110uschar *tls_dhparam = NULL;
111BOOL tls_offered = FALSE;
112uschar *tls_privatekey = NULL;
113BOOL tls_remember_esmtp = FALSE;
114uschar *tls_require_ciphers = NULL;
115uschar *tls_try_verify_hosts = NULL;
116uschar *tls_verify_certificates= NULL;
117uschar *tls_verify_hosts = NULL;
118#endif
119
120
121/* Input-reading functions for messages, so we can use special ones for
122incoming TCP/IP. The defaults use stdin. We never need these for any
123stand-alone tests. */
124
125#ifndef STAND_ALONE
126int (*receive_getc)(void) = stdin_getc;
127int (*receive_ungetc)(int) = stdin_ungetc;
128int (*receive_feof)(void) = stdin_feof;
129int (*receive_ferror)(void) = stdin_ferror;
130#endif
131
132
133/* List of per-address expansion variables for clearing and saving/restoring
134when verifying one address while routing/verifying another. We have to have
135the size explicit, because it is referenced from more than one module. */
136
137uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
138 &deliver_address_data,
139 &deliver_domain,
140 &deliver_domain_data,
141 &deliver_domain_orig,
142 &deliver_domain_parent,
143 &deliver_localpart,
144 &deliver_localpart_data,
145 &deliver_localpart_orig,
146 &deliver_localpart_parent,
147 &deliver_localpart_prefix,
148 &deliver_localpart_suffix,
149 (uschar **)(&deliver_recipients),
150 &deliver_host,
151 &deliver_home,
152 &address_file,
153 &address_pipe,
154 &self_hostname,
155 NULL };
156
157int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
158
159/* General global variables */
160
161tree_node *acl_anchor = NULL;
162uschar *acl_not_smtp = NULL;
163#ifdef WITH_CONTENT_SCAN
164uschar *acl_not_smtp_mime = NULL;
165#endif
166uschar *acl_smtp_auth = NULL;
167uschar *acl_smtp_connect = NULL;
168uschar *acl_smtp_data = NULL;
169uschar *acl_smtp_etrn = NULL;
170uschar *acl_smtp_expn = NULL;
171uschar *acl_smtp_helo = NULL;
172uschar *acl_smtp_mail = NULL;
173uschar *acl_smtp_mailauth = NULL;
174#ifdef WITH_CONTENT_SCAN
175uschar *acl_smtp_mime = NULL;
176#endif
177uschar *acl_smtp_predata = NULL;
178uschar *acl_smtp_quit = NULL;
179uschar *acl_smtp_rcpt = NULL;
180uschar *acl_smtp_starttls = NULL;
181uschar *acl_smtp_vrfy = NULL;
182BOOL acl_temp_details = FALSE;
183uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
184uschar *acl_verify_message = NULL;
185header_line *acl_warn_headers = NULL;
186string_item *acl_warn_logged = NULL;
187
188/* Names of SMTP places for use in ACL error messages, and corresponding SMTP
189error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
190
191uschar *acl_wherenames[] = { US"RCPT",
192 US"MAIL",
193 US"PREDATA",
194 US"MIME",
195 US"DATA",
196 US"non-SMTP",
197 US"AUTH",
198 US"connection",
199 US"ETRN",
200 US"EXPN",
201 US"EHLO or HELO",
202 US"MAILAUTH",
203 US"QUIT",
204 US"STARTTLS",
205 US"VRFY"
206 };
207
208int acl_wherecodes[] = { 550, /* RCPT */
209 550, /* MAIL */
210 550, /* PREDATA */
211 550, /* MIME */
212 550, /* DATA */
213 0, /* not SMTP; not relevant */
214 503, /* AUTH */
215 550, /* connect */
216 458, /* ETRN */
217 550, /* EXPN */
218 550, /* HELO/EHLO */
219 0, /* MAILAUTH; not relevant */
220 0, /* QUIT; not relevant */
221 550, /* STARTTLS */
222 252 /* VRFY */
223 };
224
225BOOL active_local_from_check = FALSE;
226BOOL active_local_sender_retain = FALSE;
227BOOL accept_8bitmime = FALSE;
228address_item *addr_duplicate = NULL;
229
230address_item address_defaults = {
231 NULL, /* next */
232 NULL, /* parent */
233 NULL, /* first */
234 NULL, /* dupof */
235 NULL, /* start_router */
236 NULL, /* router */
237 NULL, /* transport */
238 NULL, /* host_list */
239 NULL, /* host_used */
240 NULL, /* fallback_hosts */
241 NULL, /* reply */
242 NULL, /* retries */
243 NULL, /* address */
244 NULL, /* unique */
245 NULL, /* cc_local_part */
246 NULL, /* lc_local_part */
247 NULL, /* local_part */
248 NULL, /* prefix */
249 NULL, /* suffix */
250 NULL, /* domain */
251 NULL, /* address_retry_key */
252 NULL, /* domain_retry_key */
253 NULL, /* current_dir */
254 NULL, /* home_dir */
255 NULL, /* message */
256 NULL, /* user_message */
257 NULL, /* onetime_parent */
258 NULL, /* pipe_expandn */
259 NULL, /* return_filename */
260 NULL, /* self_hostname */
261 NULL, /* shadow_message */
262 #ifdef SUPPORT_TLS
263 NULL, /* cipher */
264 NULL, /* peerdn */
265 #endif
266 (uid_t)(-1), /* uid */
267 (gid_t)(-1), /* gid */
268 0, /* flags */
269 { 0 }, /* domain_cache - any larger array should be zeroed */
270 { 0 }, /* localpart_cache - ditto */
271 -1, /* mode */
272 0, /* more_errno */
273 ERRNO_UNKNOWNERROR, /* basic_errno */
274 0, /* child_count */
275 -1, /* return_file */
276 SPECIAL_NONE, /* special_action */
277 DEFER, /* transport_return */
278 { /* fields that are propagated to children */
279 NULL, /* address_data */
280 NULL, /* domain_data */
281 NULL, /* localpart_data */
282 NULL, /* errors_address */
283 NULL, /* extra_headers */
284 NULL, /* remove_headers */
285#ifdef EXPERIMENTAL_SRS
286 NULL, /* srs_sender */
287#endif
288 }
289};
290
291uschar *address_file = NULL;
292uschar *address_pipe = NULL;
293BOOL address_test_mode = FALSE;
294tree_node *addresslist_anchor = NULL;
295int addresslist_count = 0;
296gid_t *admin_groups = NULL;
297BOOL admin_user = FALSE;
298BOOL allow_domain_literals = FALSE;
299BOOL allow_mx_to_ip = FALSE;
300BOOL allow_unqualified_recipient = TRUE; /* For local messages */
301BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
302BOOL allow_utf8_domains = FALSE;
303uschar *authenticated_id = NULL;
304uschar *authenticated_sender = NULL;
305BOOL authentication_failed = FALSE;
306auth_instance *auths = NULL;
307uschar *auth_advertise_hosts = US"*";
308auth_instance auth_defaults = {
309 NULL, /* chain pointer */
310 NULL, /* name */
311 NULL, /* info */
312 NULL, /* private options block pointer */
313 NULL, /* driver_name */
314 NULL, /* advertise_condition */
315 NULL, /* public_name */
316 NULL, /* set_id */
317 NULL, /* server_mail_auth_condition */
318 NULL, /* server_debug_string */
319 FALSE, /* client */
320 FALSE, /* server */
321 FALSE /* advertised */
322};
323
324uschar *auth_defer_msg = US"reason not recorded";
325uschar *auth_defer_user_msg = US"";
326int auto_thaw = 0;
327#ifdef WITH_CONTENT_SCAN
328uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
329#endif
330
331BOOL background_daemon = TRUE;
332uschar *base62_chars=
333 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
334uschar *bi_command = NULL;
335uschar *big_buffer = NULL;
336int big_buffer_size = BIG_BUFFER_SIZE;
337#ifdef EXPERIMENTAL_BRIGHTMAIL
338uschar *bmi_alt_location = NULL;
339uschar *bmi_base64_tracker_verdict = NULL;
340uschar *bmi_base64_verdict = NULL;
341uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
342int bmi_deliver = 1;
343int bmi_run = 0;
344uschar *bmi_verdicts = NULL;
345#endif
346int body_linecount = 0;
347int body_zerocount = 0;
348uschar *bounce_message_file = NULL;
349uschar *bounce_message_text = NULL;
350uschar *bounce_recipient = NULL;
351BOOL bounce_return_body = TRUE;
352BOOL bounce_return_message = TRUE;
353int bounce_return_size_limit = 100*1024;
354uschar *bounce_sender_authentication = NULL;
355int bsmtp_transaction_linecount = 0;
356
357int callout_cache_domain_positive_expire = 7*24*60*60;
358int callout_cache_domain_negative_expire = 3*60*60;
359int callout_cache_positive_expire = 24*60*60;
360int callout_cache_negative_expire = 2*60*60;
361uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
362uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
363int check_log_inodes = 0;
364int check_log_space = 0;
365int check_spool_inodes = 0;
366int check_spool_space = 0;
367int clmacro_count = 0;
368uschar *clmacros[MAX_CLMACROS];
369BOOL config_changed = FALSE;
370FILE *config_file = NULL;
371uschar *config_filename = NULL;
372int config_lineno = 0;
373#ifdef CONFIGURE_GROUP
374gid_t config_gid = CONFIGURE_GROUP;
375#endif
376uschar *config_main_filelist = US CONFIGURE_FILE
377 "\0<-----------Space to patch configure_filename->";
378uschar *config_main_filename = NULL;
379
380#ifdef CONFIGURE_OWNER
381uid_t config_uid = CONFIGURE_OWNER;
382#endif
383
384int connection_max_messages= -1;
385uschar *continue_hostname = NULL;
386uschar *continue_host_address = NULL;
387BOOL continue_more = FALSE;
388int continue_sequence = 1;
389uschar *continue_transport = NULL;
390
391uschar *csa_status = NULL;
392
393BOOL daemon_listen = FALSE;
394uschar *daemon_smtp_port = US"smtp";
395int daemon_startup_retries = 9;
396int daemon_startup_sleep = 30;
397BOOL debug_daemon = FALSE;
398int debug_fd = -1;
399FILE *debug_file = NULL;
400bit_table debug_options[] = {
401 { US"acl", D_acl },
402 { US"all", D_all },
403 { US"auth", D_auth },
404 { US"deliver", D_deliver },
405 { US"dns", D_dns },
406 { US"dnsbl", D_dnsbl },
407 { US"exec", D_exec },
408 { US"expand", D_expand },
409 { US"filter", D_filter },
410 { US"hints_lookup", D_hints_lookup },
411 { US"host_lookup", D_host_lookup },
412 { US"ident", D_ident },
413 { US"interface", D_interface },
414 { US"lists", D_lists },
415 { US"load", D_load },
416 { US"local_scan", D_local_scan },
417 { US"lookup", D_lookup },
418 { US"memory", D_memory },
419 { US"pid", D_pid },
420 { US"process_info", D_process_info },
421 { US"queue_run", D_queue_run },
422 { US"receive", D_receive },
423 { US"resolver", D_resolver },
424 { US"retry", D_retry },
425 { US"rewrite", D_rewrite },
426 { US"route", D_route },
427 { US"timestamp", D_timestamp },
428 { US"tls", D_tls },
429 { US"transport", D_transport },
430 { US"uid", D_uid },
431 { US"verify", D_verify }
432};
433int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
434unsigned int debug_selector = 0;
435int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
436uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
437BOOL delivery_date_remove = TRUE;
438uschar *deliver_address_data = NULL;
439int deliver_datafile = -1;
440uschar *deliver_domain = NULL;
441uschar *deliver_domain_data = NULL;
442uschar *deliver_domain_orig = NULL;
443uschar *deliver_domain_parent = NULL;
444BOOL deliver_drop_privilege = FALSE;
445BOOL deliver_firsttime = FALSE;
446BOOL deliver_force = FALSE;
447BOOL deliver_freeze = FALSE;
448int deliver_frozen_at = 0;
449uschar *deliver_home = NULL;
450uschar *deliver_host = NULL;
451uschar *deliver_host_address = NULL;
452uschar *deliver_in_buffer = NULL;
453ino_t deliver_inode = 0;
454uschar *deliver_localpart = NULL;
455uschar *deliver_localpart_data = NULL;
456uschar *deliver_localpart_orig = NULL;
457uschar *deliver_localpart_parent = NULL;
458uschar *deliver_localpart_prefix = NULL;
459uschar *deliver_localpart_suffix = NULL;
460BOOL deliver_force_thaw = FALSE;
461BOOL deliver_manual_thaw = FALSE;
462uschar *deliver_out_buffer = NULL;
463int deliver_queue_load_max = -1;
464address_item *deliver_recipients = NULL;
465uschar *deliver_selectstring = NULL;
466BOOL deliver_selectstring_regex = FALSE;
467uschar *deliver_selectstring_sender = NULL;
468BOOL deliver_selectstring_sender_regex = FALSE;
469#ifdef WITH_OLD_DEMIME
470int demime_errorlevel = 0;
471int demime_ok = 0;
472uschar *demime_reason = NULL;
473#endif
474BOOL disable_logging = FALSE;
475
476#ifdef EXPERIMENTAL_DOMAINKEYS
477uschar *dk_signing_domain = NULL;
478uschar *dk_signing_selector = NULL;
479int dk_do_verify = 0;
480#endif
481
482uschar *dns_again_means_nonexist = NULL;
483int dns_csa_search_limit = 5;
484BOOL dns_csa_use_reverse = TRUE;
485uschar *dns_ipv4_lookup = NULL;
486int dns_retrans = 0;
487int dns_retry = 0;
488uschar *dnslist_domain = NULL;
489uschar *dnslist_text = NULL;
490uschar *dnslist_value = NULL;
491tree_node *domainlist_anchor = NULL;
492int domainlist_count = 0;
493BOOL dont_deliver = FALSE;
494BOOL dot_ends = TRUE;
495BOOL drop_cr = FALSE; /* No longer used */
496
497BOOL enable_dollar_recipients = FALSE;
498BOOL envelope_to_remove = TRUE;
499int errno_quota = ERRNO_QUOTA;
500uschar *errors_copy = NULL;
501int error_handling = ERRORS_SENDER;
502uschar *errors_reply_to = NULL;
503int errors_sender_rc = EXIT_FAILURE;
504
505gid_t exim_gid = EXIM_GID;
506BOOL exim_gid_set = TRUE; /* This gid is always set */
507uschar *exim_path = US BIN_DIRECTORY "/exim"
508 "\0<---------------Space to patch exim_path->";
509uid_t exim_uid = EXIM_UID;
510BOOL exim_uid_set = TRUE; /* This uid is always set */
511int expand_forbid = 0;
512int expand_nlength[EXPAND_MAXN+1];
513int expand_nmax = -1;
514uschar *expand_nstring[EXPAND_MAXN+1];
515BOOL expand_string_forcedfail = FALSE;
516uschar *expand_string_message;
517BOOL extract_addresses_remove_arguments = TRUE;
518uschar *extra_local_interfaces = NULL;
519
520int fake_response = OK;
521uschar *fake_response_text = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
522int filter_n[FILTER_VARIABLE_COUNT];
523BOOL filter_running = FALSE;
524int filter_sn[FILTER_VARIABLE_COUNT];
525int filter_test = FTEST_NONE;
526uschar *filter_test_sfile = NULL;
527uschar *filter_test_ufile = NULL;
528uschar *filter_thisaddress = NULL;
529int finduser_retries = 0;
530#ifdef WITH_OLD_DEMIME
531uschar *found_extension = NULL;
532#endif
533uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
534uschar *freeze_tell = NULL;
535uschar *fudged_queue_times = US"";
536
537uschar *gecos_name = NULL;
538uschar *gecos_pattern = NULL;
539rewrite_rule *global_rewrite_rules = NULL;
540
541uschar *headers_charset = US HEADERS_CHARSET;
542int header_insert_maxlen = 64 * 1024;
543header_line *header_last = NULL;
544header_line *header_list = NULL;
545int header_maxsize = HEADER_MAXSIZE;
546int header_line_maxsize = 0;
547
548header_name header_names[] = {
549 { US"bcc", 3, TRUE, htype_bcc },
550 { US"cc", 2, TRUE, htype_cc },
551 { US"date", 4, TRUE, htype_date },
552 { US"delivery-date", 13, FALSE, htype_delivery_date },
553 { US"envelope-to", 11, FALSE, htype_envelope_to },
554 { US"from", 4, TRUE, htype_from },
555 { US"message-id", 10, TRUE, htype_id },
556 { US"received", 8, FALSE, htype_received },
557 { US"reply-to", 8, FALSE, htype_reply_to },
558 { US"return-path", 11, FALSE, htype_return_path },
559 { US"sender", 6, TRUE, htype_sender },
560 { US"subject", 7, FALSE, htype_subject },
561 { US"to", 2, TRUE, htype_to }
562};
563
564int header_names_size = sizeof(header_names)/sizeof(header_name);
565
566BOOL header_rewritten = FALSE;
567uschar *helo_accept_junk_hosts = NULL;
568uschar *helo_allow_chars = US"";
569uschar *helo_lookup_domains = US"@ : @[]";
570uschar *helo_try_verify_hosts = NULL;
571BOOL helo_verified = FALSE;
572uschar *helo_verify_hosts = NULL;
573uschar *hex_digits = US"0123456789abcdef";
574uschar *hold_domains = NULL;
575BOOL host_checking = FALSE;
576BOOL host_checking_callout = FALSE;
577uschar *host_data = NULL;
578BOOL host_find_failed_syntax= FALSE;
579uschar *host_lookup = NULL;
580BOOL host_lookup_deferred = FALSE;
581BOOL host_lookup_failed = FALSE;
582uschar *host_lookup_order = US"bydns:byaddr";
583uschar *host_lookup_msg = US"";
584int host_number = 0;
585uschar *host_number_string = NULL;
586uschar *host_reject_connection = NULL;
587tree_node *hostlist_anchor = NULL;
588int hostlist_count = 0;
589uschar *hosts_treat_as_local = NULL;
590uschar *hosts_connection_nolog = NULL;
591
592int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
593BOOL ignore_fromline_local = FALSE;
594uschar *ignore_fromline_hosts = NULL;
595uschar *interface_address = NULL;
596int interface_port = -1;
597BOOL is_inetd = FALSE;
598
599int journal_fd = -1;
600
601int keep_malformed = 4*24*60*60; /* 4 days */
602
603uschar *eldap_dn = NULL;
604int load_average = -2;
605BOOL local_error_message = FALSE;
606BOOL local_from_check = TRUE;
607uschar *local_from_prefix = NULL;
608uschar *local_from_suffix = NULL;
609
610#if HAVE_IPV6
611uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
612#else
613uschar *local_interfaces = US"0.0.0.0";
614#endif
615
616uschar *local_scan_data = NULL;
617int local_scan_timeout = 5*60;
618BOOL local_sender_retain = FALSE;
619gid_t local_user_gid = (gid_t)(-1);
620uid_t local_user_uid = (uid_t)(-1);
621
622tree_node *localpartlist_anchor= NULL;
623int localpartlist_count = 0;
624uschar *log_buffer = NULL;
625unsigned int log_extra_selector = LX_default;
626uschar *log_file_path = US LOG_FILE_PATH
627 "\0<--------------Space to patch log_file_path->";
628
629/* Those log options with L_xxx identifiers have values less than 0x800000 and
630are the ones that get put into log_write_selector. They can be used in calls to
631log_write() to test for the bit. The options with LX_xxx identifiers have
632values greater than 0x80000000 and are put int log_extra_selector (without the
633top bit). They are never used in calls to log_write(), but are tested
634independently. This separation became necessary when the number of log
635selectors was getting close to filling a 32-bit word. */
636
637bit_table log_options[] = {
638 { US"address_rewrite", L_address_rewrite },
639 { US"all", L_all },
640 { US"all_parents", L_all_parents },
641 { US"arguments", LX_arguments },
642 { US"connection_reject", L_connection_reject },
643 { US"delay_delivery", L_delay_delivery },
644 { US"deliver_time", LX_deliver_time },
645 { US"delivery_size", LX_delivery_size },
646 { US"dnslist_defer", L_dnslist_defer },
647 { US"etrn", L_etrn },
648 { US"host_lookup_failed", L_host_lookup_failed },
649 { US"ident_timeout", LX_ident_timeout },
650 { US"incoming_interface", LX_incoming_interface },
651 { US"incoming_port", LX_incoming_port },
652 { US"lost_incoming_connection", L_lost_incoming_connection },
653 { US"outgoing_port", LX_outgoing_port },
654 { US"queue_run", L_queue_run },
655 { US"queue_time", LX_queue_time },
656 { US"queue_time_overall", LX_queue_time_overall },
657 { US"received_recipients", LX_received_recipients },
658 { US"received_sender", LX_received_sender },
659 { US"rejected_header", LX_rejected_header },
660 { US"rejected_headers", LX_rejected_header },
661 { US"retry_defer", L_retry_defer },
662 { US"return_path_on_delivery", LX_return_path_on_delivery },
663 { US"sender_on_delivery", LX_sender_on_delivery },
664 { US"size_reject", L_size_reject },
665 { US"skip_delivery", L_skip_delivery },
666 { US"smtp_confirmation", LX_smtp_confirmation },
667 { US"smtp_connection", L_smtp_connection },
668 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
669 { US"smtp_protocol_error", L_smtp_protocol_error },
670 { US"smtp_syntax_error", L_smtp_syntax_error },
671 { US"subject", LX_subject },
672 { US"tls_certificate_verified", LX_tls_certificate_verified },
673 { US"tls_cipher", LX_tls_cipher },
674 { US"tls_peerdn", LX_tls_peerdn }
675};
676
677int log_options_count = sizeof(log_options)/sizeof(bit_table);
678unsigned int log_write_selector= L_default;
679uschar *log_selector_string = NULL;
680FILE *log_stderr = NULL;
681BOOL log_testing_mode = FALSE;
682BOOL log_timezone = FALSE;
683uschar *login_sender_address = NULL;
684int lookup_open_max = 25;
685uschar *lookup_value = NULL;
686
687macro_item *macros = NULL;
688uschar *mailstore_basename = NULL;
689#ifdef WITH_CONTENT_SCAN
690uschar *malware_name = NULL; /* Virus Name */
691#endif
692int max_username_length = 0;
693int message_age = 0;
694uschar *message_body = NULL;
695uschar *message_body_end = NULL;
696int message_body_size = 0;
697int message_body_visible = 500;
698int message_ended = END_NOTSTARTED;
699uschar *message_headers = NULL;
700uschar *message_id;
701uschar *message_id_domain = NULL;
702uschar *message_id_text = NULL;
703struct timeval message_id_tv = { 0, 0 };
704uschar message_id_option[MESSAGE_ID_LENGTH + 3];
705uschar *message_id_external;
706int message_linecount = 0;
707BOOL message_logs = TRUE;
708int message_size = 0;
709uschar *message_size_limit = US"50M";
710uschar message_subdir[2] = { 0, 0 };
711uschar *message_reference = NULL;
712
713/* MIME ACL expandables */
714#ifdef WITH_CONTENT_SCAN
715int mime_anomaly_level = 0;
716uschar *mime_anomaly_text = NULL;
717uschar *mime_boundary = NULL;
718uschar *mime_charset = NULL;
719uschar *mime_content_description = NULL;
720uschar *mime_content_disposition = NULL;
721uschar *mime_content_id = NULL;
722unsigned int mime_content_size = 0;
723uschar *mime_content_transfer_encoding = NULL;
724uschar *mime_content_type = NULL;
725uschar *mime_decoded_filename = NULL;
726uschar *mime_filename = NULL;
727int mime_is_multipart = 0;
728int mime_is_coverletter = 0;
729int mime_is_rfc822 = 0;
730int mime_part_count = -1;
731#endif
732
733BOOL mua_wrapper = FALSE;
734
735uid_t *never_users = NULL;
736#ifdef WITH_CONTENT_SCAN
737BOOL no_mbox_unspool = FALSE;
738#endif
739BOOL no_multiline_responses = FALSE;
740
741uid_t original_euid;
742gid_t originator_gid;
743uschar *originator_login = NULL;
744uschar *originator_name = NULL;
745uid_t originator_uid;
746uschar *override_local_interfaces = NULL;
747uschar *override_pid_file_path = NULL;
748
749BOOL parse_allow_group = FALSE;
750BOOL parse_found_group = FALSE;
751uschar *percent_hack_domains = NULL;
752uschar *pid_file_path = US PID_FILE_PATH
753 "\0<--------------Space to patch pid_file_path->";
754uschar *pipelining_advertise_hosts = US"*";
755BOOL preserve_message_logs = FALSE;
756uschar *primary_hostname = NULL;
757BOOL print_topbitchars = FALSE;
758uschar process_info[PROCESS_INFO_SIZE];
759uschar *process_log_path = NULL;
760BOOL prod_requires_admin = TRUE;
761uschar *prvscheck_address = NULL;
762uschar *prvscheck_keynum = NULL;
763uschar *prvscheck_result = NULL;
764
765
766uschar *qualify_domain_recipient = NULL;
767uschar *qualify_domain_sender = NULL;
768BOOL queue_2stage = FALSE;
769uschar *queue_domains = NULL;
770int queue_interval = -1;
771BOOL queue_list_requires_admin = TRUE;
772BOOL queue_only = FALSE;
773uschar *queue_only_file = NULL;
774int queue_only_load = -1;
775BOOL queue_only_override = TRUE;
776BOOL queue_only_policy = FALSE;
777BOOL queue_run_first_delivery = FALSE;
778BOOL queue_run_force = FALSE;
779BOOL queue_run_in_order = FALSE;
780BOOL queue_run_local = FALSE;
781int queue_run_max = 5;
782pid_t queue_run_pid = (pid_t)0;
783int queue_run_pipe = -1;
784BOOL queue_running = FALSE;
785BOOL queue_smtp = FALSE;
786uschar *queue_smtp_domains = NULL;
787
788unsigned int random_seed = 0;
789tree_node *ratelimiters_cmd = NULL;
790tree_node *ratelimiters_conn = NULL;
791tree_node *ratelimiters_mail = NULL;
792uschar *raw_active_hostname = NULL;
793uschar *raw_sender = NULL;
794uschar **raw_recipients = NULL;
795int raw_recipients_count = 0;
796
797int rcpt_count = 0;
798int rcpt_fail_count = 0;
799int rcpt_defer_count = 0;
800gid_t real_gid;
801uid_t real_uid;
802BOOL really_exim = TRUE;
803BOOL receive_call_bombout = FALSE;
804int receive_linecount = 0;
805int receive_messagecount = 0;
806int receive_timeout = 0;
807int received_count = 0;
808uschar *received_for = NULL;
809
810/* This is the default text for Received headers generated by Exim. The
811date will be automatically added on the end. */
812
813uschar *received_header_text = US
814 "Received: "
815 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
816 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
817 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
818 "by $primary_hostname "
819 "${if def:received_protocol {with $received_protocol}} "
820 #ifdef SUPPORT_TLS
821 "${if def:tls_cipher {($tls_cipher)\n\t}}"
822 #endif
823 "(Exim $version_number)\n\t"
824 "id $message_exim_id"
825 "${if def:received_for {\n\tfor $received_for}}"
826 "\0<---------------Space to patch received_header_text->";
827
828int received_headers_max = 30;
829uschar *received_protocol = NULL;
830int received_time = 0;
831uschar *recipient_data = NULL;
832uschar *recipient_unqualified_hosts = NULL;
833uschar *recipient_verify_failure = NULL;
834int recipients_count = 0;
835BOOL recipients_discarded = FALSE;
836recipient_item *recipients_list = NULL;
837int recipients_list_max = 0;
838int recipients_max = 0;
839BOOL recipients_max_reject = FALSE;
840const pcre *regex_AUTH = NULL;
841const pcre *regex_check_dns_names = NULL;
842const pcre *regex_From = NULL;
843const pcre *regex_PIPELINING = NULL;
844const pcre *regex_SIZE = NULL;
845const pcre *regex_ismsgid = NULL;
846#ifdef WITH_CONTENT_SCAN
847uschar *regex_match_string = NULL;
848#endif
849int remote_delivery_count = 0;
850int remote_max_parallel = 2;
851uschar *remote_sort_domains = NULL;
852int retry_data_expire = 7*24*60*60;
853int retry_interval_max = 24*60*60;
854int retry_maximum_timeout = 0; /* set from retry config */
855retry_config *retries = NULL;
856uschar *return_path = NULL;
857BOOL return_path_remove = TRUE;
858int rewrite_existflags = 0;
859uschar *rfc1413_hosts = US"*";
860int rfc1413_query_timeout = 30;
861/* BOOL rfc821_domains = FALSE; <<< on the way out */
862uid_t root_uid = ROOT_UID;
863
864router_instance *routers = NULL;
865router_instance router_defaults = {
866 NULL, /* chain pointer */
867 NULL, /* name */
868 NULL, /* info */
869 NULL, /* private options block pointer */
870 NULL, /* driver name */
871
872 NULL, /* address_data */
873#ifdef EXPERIMENTAL_BRIGHTMAIL
874 NULL, /* bmi_rule */
875#endif
876 NULL, /* cannot_route_message */
877 NULL, /* condition */
878 NULL, /* current_directory */
879 NULL, /* debug_string */
880 NULL, /* domains */
881 NULL, /* errors_to */
882 NULL, /* expand_gid */
883 NULL, /* expand_uid */
884 NULL, /* expand_more */
885 NULL, /* expand_unseen */
886 NULL, /* extra_headers */
887 NULL, /* fallback_hosts */
888 NULL, /* home_directory */
889 NULL, /* ignore_target_hosts */
890 NULL, /* local_parts */
891 NULL, /* pass_router_name */
892 NULL, /* prefix */
893 NULL, /* redirect_router_name */
894 NULL, /* remove_headers */
895 NULL, /* require_files */
896 NULL, /* router_home_directory */
897 US"freeze", /* self */
898 NULL, /* senders */
899 NULL, /* suffix */
900 NULL, /* translate_ip_address */
901 NULL, /* transport_name */
902
903 TRUE, /* address_test */
904#ifdef EXPERIMENTAL_BRIGHTMAIL
905 FALSE, /* bmi_deliver_alternate */
906 FALSE, /* bmi_deliver_default */
907 FALSE, /* bmi_dont_deliver */
908#endif
909 TRUE, /* expn */
910 FALSE, /* caseful_local_part */
911 FALSE, /* check_local_user */
912 FALSE, /* disable_logging */
913 FALSE, /* fail_verify_recipient */
914 FALSE, /* fail_verify_sender */
915 FALSE, /* gid_set */
916 FALSE, /* initgroups */
917 TRUE_UNSET, /* log_as_local */
918 TRUE, /* more */
919 FALSE, /* pass_on_timeout */
920 FALSE, /* prefix_optional */
921 TRUE, /* repeat_use */
922 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
923 FALSE, /* same_domain_copy_routing */
924 FALSE, /* self_rewrite */
925 FALSE, /* suffix_optional */
926 FALSE, /* verify_only */
927 TRUE, /* verify_recipient */
928 TRUE, /* verify_sender */
929 FALSE, /* uid_set */
930 FALSE, /* unseen */
931
932 self_freeze, /* self_code */
933 (uid_t)(-1), /* uid */
934 (gid_t)(-1), /* gid */
935
936 NULL, /* fallback_hostlist */
937 NULL, /* transport instance */
938 NULL, /* pass_router */
939 NULL /* redirect_router */
940};
941
942ip_address_item *running_interfaces = NULL;
943BOOL running_in_test_harness = FALSE;
944
945/* This is a weird one. The following string gets patched in the binary by the
946script that sets up a copy of Exim for running in the test harness. It seems
947that compilers are now clever, and share constant strings if they can.
948Elsewhere in Exim the string "<" is used. The compiler optimization seems to
949make use of the end of this string in order to save space. So the patching then
950wrecks this. We default this optimization by adding some additional characters
951onto the end of the string. */
952
953uschar *running_status = US">>>running<<<" "\0EXTRA";
954
955int runrc = 0;
956
957uschar *search_error_message = NULL;
958BOOL search_find_defer = FALSE;
959uschar *self_hostname = NULL;
960uschar *sender_address = NULL;
961unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
962uschar *sender_address_data = NULL;
963BOOL sender_address_forced = FALSE;
964uschar *sender_address_unrewritten = NULL;
965uschar *sender_data = NULL;
966unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
967uschar *sender_fullhost = NULL;
968uschar *sender_helo_name = NULL;
969uschar **sender_host_aliases = &no_aliases;
970uschar *sender_host_address = NULL;
971uschar *sender_host_authenticated = NULL;
972unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
973uschar *sender_host_name = NULL;
974int sender_host_port = 0;
975BOOL sender_host_notsocket = FALSE;
976BOOL sender_host_unknown = FALSE;
977uschar *sender_ident = NULL;
978BOOL sender_local = FALSE;
979uschar *sender_rate = NULL;
980uschar *sender_rate_limit = NULL;
981uschar *sender_rate_period = NULL;
982uschar *sender_rcvhost = NULL;
983BOOL sender_set_untrusted = FALSE;
984uschar *sender_unqualified_hosts = NULL;
985uschar *sender_verify_failure = NULL;
986address_item *sender_verified_list = NULL;
987address_item *sender_verified_failed = NULL;
988int sender_verified_rc = -1;
989BOOL sender_verified_responded = FALSE;
990volatile BOOL sigalrm_seen = FALSE;
991uschar **sighup_argv = NULL;
992int smtp_accept_count = 0;
993BOOL smtp_accept_keepalive = TRUE;
994int smtp_accept_max = 20;
995int smtp_accept_max_nonmail= 10;
996uschar *smtp_accept_max_nonmail_hosts = US"*";
997int smtp_accept_max_per_connection = 1000;
998uschar *smtp_accept_max_per_host = NULL;
999int smtp_accept_queue = 0;
1000int smtp_accept_queue_per_connection = 10;
1001int smtp_accept_reserve = 0;
1002uschar *smtp_active_hostname = NULL;
1003BOOL smtp_authenticated = FALSE;
1004uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
1005 "Exim $version_number $tod_full"
1006 "\0<---------------Space to patch smtp_banner->";
1007BOOL smtp_batched_input = FALSE;
1008BOOL smtp_check_spool_space = TRUE;
1009uschar *smtp_command_argument = NULL;
1010int smtp_connect_backlog = 20;
1011double smtp_delay_mail = 0.0;
1012double smtp_delay_rcpt = 0.0;
1013BOOL smtp_enforce_sync = TRUE;
1014FILE *smtp_in = NULL;
1015BOOL smtp_input = FALSE;
1016int smtp_load_reserve = -1;
1017int smtp_mailcmd_count = 0;
1018FILE *smtp_out = NULL;
1019uschar *smtp_etrn_command = NULL;
1020BOOL smtp_etrn_serialize = TRUE;
1021int smtp_max_synprot_errors= 3;
1022int smtp_max_unknown_commands = 3;
1023uschar *smtp_ratelimit_hosts = NULL;
1024uschar *smtp_ratelimit_mail = NULL;
1025uschar *smtp_ratelimit_rcpt = NULL;
1026uschar *smtp_read_error = US"";
1027int smtp_receive_timeout = 5*60;
1028uschar *smtp_reserve_hosts = NULL;
1029BOOL smtp_return_error_details = FALSE;
1030int smtp_rlm_base = 0;
1031double smtp_rlm_factor = 0.0;
1032int smtp_rlm_limit = 0;
1033int smtp_rlm_threshold = INT_MAX;
1034int smtp_rlr_base = 0;
1035double smtp_rlr_factor = 0.0;
1036int smtp_rlr_limit = 0;
1037int smtp_rlr_threshold = INT_MAX;
1038BOOL smtp_use_pipelining = FALSE;
1039BOOL smtp_use_size = FALSE;
1040
1041#ifdef WITH_CONTENT_SCAN
1042uschar *spamd_address = US"127.0.0.1 783";
1043uschar *spam_bar = NULL;
1044uschar *spam_report = NULL;
1045uschar *spam_score = NULL;
1046uschar *spam_score_int = NULL;
1047#endif
1048#ifdef EXPERIMENTAL_SPF
1049uschar *spf_header_comment = NULL;
1050uschar *spf_received = NULL;
1051uschar *spf_result = NULL;
1052uschar *spf_smtp_comment = NULL;
1053#endif
1054
1055BOOL split_spool_directory = FALSE;
1056uschar *spool_directory = US SPOOL_DIRECTORY
1057 "\0<--------------Space to patch spool_directory->";
1058#ifdef EXPERIMENTAL_SRS
1059uschar *srs_config = NULL;
1060uschar *srs_db_address = NULL;
1061uschar *srs_db_key = NULL;
1062int srs_hashlength = 6;
1063int srs_hashmin = -1;
1064int srs_maxage = 31;
1065uschar *srs_orig_recipient = NULL;
1066uschar *srs_orig_sender = NULL;
1067uschar *srs_recipient = NULL;
1068uschar *srs_secrets = NULL;
1069uschar *srs_status = NULL;
1070BOOL srs_usehash = TRUE;
1071BOOL srs_usetimestamp = TRUE;
1072#endif
1073int string_datestamp_offset= -1;
1074BOOL strip_excess_angle_brackets = FALSE;
1075BOOL strip_trailing_dot = FALSE;
1076uschar *submission_domain = NULL;
1077BOOL submission_mode = FALSE;
1078BOOL synchronous_delivery = FALSE;
1079BOOL syslog_duplication = TRUE;
1080int syslog_facility = LOG_MAIL;
1081uschar *syslog_processname = US"exim";
1082BOOL syslog_timestamp = TRUE;
1083uschar *system_filter = NULL;
1084
1085uschar *system_filter_directory_transport = NULL;
1086uschar *system_filter_file_transport = NULL;
1087uschar *system_filter_pipe_transport = NULL;
1088uschar *system_filter_reply_transport = NULL;
1089
1090gid_t system_filter_gid = 0;
1091BOOL system_filter_gid_set = FALSE;
1092uid_t system_filter_uid = 0;
1093BOOL system_filter_uid_set = FALSE;
1094BOOL system_filtering = FALSE;
1095
1096BOOL tcp_nodelay = TRUE;
1097int thismessage_size_limit = 0;
1098int timeout_frozen_after = 0;
1099BOOL timestamps_utc = FALSE;
1100
1101transport_instance *transports = NULL;
1102
1103transport_instance transport_defaults = {
1104 NULL, /* chain pointer */
1105 NULL, /* name */
1106 NULL, /* info */
1107 NULL, /* private options block pointer */
1108 NULL, /* driver name */
1109 NULL, /* setup entry point */
1110 1, /* batch_max */
1111 NULL, /* batch_id */
1112 NULL, /* home_dir */
1113 NULL, /* current_dir */
1114 TRUE, /* multi-domain */
1115 FALSE, /* overrides_hosts */
1116 100, /* max_addresses */
1117 500, /* connection_max_messages */
1118 FALSE, /* deliver_as_creator */
1119 FALSE, /* disable_logging */
1120 FALSE, /* initgroups */
1121 FALSE, /* uid_set */
1122 FALSE, /* gid_set */
1123 (uid_t)(-1), /* uid */
1124 (gid_t)(-1), /* gid */
1125 NULL, /* expand_uid */
1126 NULL, /* expand_gid */
1127 NULL, /* warn_message */
1128 NULL, /* shadow */
1129 NULL, /* shadow_condition */
1130 NULL, /* filter_command */
1131 NULL, /* add_headers */
1132 NULL, /* remove_headers */
1133 NULL, /* return_path */
1134 NULL, /* debug_string */
1135 NULL, /* message_size_limit */
1136 NULL, /* headers_rewrite */
1137 NULL, /* rewrite_rules */
1138 0, /* rewrite_existflags */
1139 300, /* filter_timeout */
1140 FALSE, /* body_only */
1141 FALSE, /* delivery_date_add */
1142 FALSE, /* envelope_to_add */
1143 FALSE, /* headers_only */
1144 FALSE, /* rcpt_include_affixes */
1145 FALSE, /* return_path_add */
1146 FALSE, /* return_output */
1147 FALSE, /* return_fail_output */
1148 FALSE, /* log_output */
1149 FALSE, /* log_fail_output */
1150 FALSE, /* log_defer_output */
1151 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1152 1 nor 0 so can detect unset */
1153};
1154
1155int transport_count;
1156uschar **transport_filter_argv = NULL;
1157int transport_filter_timeout;
1158BOOL transport_filter_timed_out = FALSE;
1159int transport_write_timeout= 0;
1160
1161tree_node *tree_dns_fails = NULL;
1162tree_node *tree_duplicates = NULL;
1163tree_node *tree_nonrecipients = NULL;
1164tree_node *tree_unusable = NULL;
1165
1166BOOL trusted_caller = FALSE;
1167gid_t *trusted_groups = NULL;
1168uid_t *trusted_users = NULL;
1169uschar *timezone_string = US TIMEZONE_DEFAULT;
1170
1171uschar *unknown_login = NULL;
1172uschar *unknown_username = NULL;
1173uschar *untrusted_set_sender = NULL;
1174
1175/* A regex for matching a "From_" line in an incoming message, in the form
1176
1177 From ph10 Fri Jan 5 12:35 GMT 1996
1178
1179which the "mail" commands send to the MTA (undocumented, of course), or in
1180the form
1181
1182 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1183
1184which is apparently used by some UUCPs, despite it not being in RFC 976.
1185Because of variations in time formats, just match up to the minutes. That
1186should be sufficient. Examples have been seen of time fields like 12:1:03,
1187so just require one digit for hours and minutes. The weekday is also absent
1188in some forms. */
1189
1190uschar *uucp_from_pattern = US
1191 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1192 "(?:" /* Non-extracting bracket */
1193 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1194 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1195 ")" /* End alternation */
1196 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1197
1198uschar *uucp_from_sender = US"$1";
1199
1200uschar *warn_message_file = NULL;
1201uschar *warnmsg_delay = NULL;
1202uschar *warnmsg_recipients = NULL;
1203BOOL write_rejectlog = TRUE;
1204
1205uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
1206uschar *version_date = US"?";
1207uschar *version_cnumber = US"????";
1208uschar *version_string = US"?";
1209
1210int warning_count = 0;
1211
1212/* End of globals.c */
Unnamed repository; edit this file 'description' to name the repository.