Kjetil Homme's patch for extended macro features (redefinition,
[exim.git] / src / src / globals.c
CommitLineData
54cdb463 1/* $Cambridge: exim/src/src/globals.c,v 1.21 2005/04/04 10:33:49 ph10 Exp $ */
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2
3/*************************************************
4* Exim - an Internet mail transport agent *
5*************************************************/
6
c988f1f4 7/* Copyright (c) University of Cambridge 1995 - 2005 */
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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
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65#ifdef EXPAND_DLFUNC
66tree_node *dlobj_anchor = NULL;
67#endif
68
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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;
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163#ifdef WITH_CONTENT_SCAN
164uschar *acl_not_smtp_mime = NULL;
165#endif
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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;
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174#ifdef WITH_CONTENT_SCAN
175uschar *acl_smtp_mime = NULL;
176#endif
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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",
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194#ifdef WITH_CONTENT_SCAN
195 US"MIME",
196#endif
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197 US"DATA",
198 US"non-SMTP",
199 US"AUTH",
200 US"connection",
201 US"ETRN",
202 US"EXPN",
203 US"EHLO or HELO",
204 US"MAILAUTH",
205 US"QUIT",
206 US"STARTTLS",
207 US"VRFY"
208 };
209
210int acl_wherecodes[] = { 550, /* RCPT */
211 550, /* MAIL */
212 550, /* PREDATA */
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213#ifdef WITH_CONTENT_SCAN
214 550, /* MIME */
8e669ac1 215#endif
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216 550, /* DATA */
217 0, /* not SMTP; not relevant */
218 503, /* AUTH */
219 550, /* connect */
220 458, /* ETRN */
221 550, /* EXPN */
222 550, /* HELO/EHLO */
223 0, /* MAILAUTH; not relevant */
224 0, /* QUIT; not relevant */
225 550, /* STARTTLS */
226 252 /* VRFY */
227 };
8e669ac1 228
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229BOOL active_local_from_check = FALSE;
230BOOL active_local_sender_retain = FALSE;
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231BOOL accept_8bitmime = FALSE;
232address_item *addr_duplicate = NULL;
233
234address_item address_defaults = {
235 NULL, /* next */
236 NULL, /* parent */
237 NULL, /* first */
238 NULL, /* dupof */
239 NULL, /* start_router */
240 NULL, /* router */
241 NULL, /* transport */
242 NULL, /* host_list */
243 NULL, /* host_used */
244 NULL, /* fallback_hosts */
245 NULL, /* reply */
246 NULL, /* retries */
247 NULL, /* address */
248 NULL, /* unique */
249 NULL, /* cc_local_part */
250 NULL, /* lc_local_part */
251 NULL, /* local_part */
252 NULL, /* prefix */
253 NULL, /* suffix */
254 NULL, /* domain */
255 NULL, /* address_retry_key */
256 NULL, /* domain_retry_key */
257 NULL, /* current_dir */
258 NULL, /* home_dir */
259 NULL, /* message */
260 NULL, /* user_message */
261 NULL, /* onetime_parent */
262 NULL, /* pipe_expandn */
263 NULL, /* return_filename */
264 NULL, /* self_hostname */
265 NULL, /* shadow_message */
266 #ifdef SUPPORT_TLS
267 NULL, /* cipher */
268 NULL, /* peerdn */
269 #endif
270 (uid_t)(-1), /* uid */
271 (gid_t)(-1), /* gid */
272 0, /* flags */
273 { 0 }, /* domain_cache - any larger array should be zeroed */
274 { 0 }, /* localpart_cache - ditto */
275 -1, /* mode */
276 0, /* more_errno */
277 ERRNO_UNKNOWNERROR, /* basic_errno */
278 0, /* child_count */
279 -1, /* return_file */
280 SPECIAL_NONE, /* special_action */
281 DEFER, /* transport_return */
282 { /* fields that are propagated to children */
283 NULL, /* address_data */
284 NULL, /* domain_data */
285 NULL, /* localpart_data */
286 NULL, /* errors_address */
287 NULL, /* extra_headers */
288 NULL, /* remove_headers */
289 }
290};
291
292uschar *address_file = NULL;
293uschar *address_pipe = NULL;
294BOOL address_test_mode = FALSE;
295tree_node *addresslist_anchor = NULL;
296int addresslist_count = 0;
297gid_t *admin_groups = NULL;
298BOOL admin_user = FALSE;
299BOOL allow_domain_literals = FALSE;
300BOOL allow_mx_to_ip = FALSE;
301BOOL allow_unqualified_recipient = TRUE; /* For local messages */
302BOOL allow_unqualified_sender = TRUE; /* Reset for SMTP */
303BOOL allow_utf8_domains = FALSE;
304uschar *authenticated_id = NULL;
305uschar *authenticated_sender = NULL;
306BOOL authentication_failed = FALSE;
307auth_instance *auths = NULL;
308uschar *auth_advertise_hosts = US"*";
309auth_instance auth_defaults = {
310 NULL, /* chain pointer */
311 NULL, /* name */
312 NULL, /* info */
313 NULL, /* private options block pointer */
314 NULL, /* driver_name */
315 NULL, /* advertise_condition */
316 NULL, /* public_name */
317 NULL, /* set_id */
318 NULL, /* server_mail_auth_condition */
319 NULL, /* server_debug_string */
320 FALSE, /* client */
321 FALSE, /* server */
322 FALSE /* advertised */
323};
324
325uschar *auth_defer_msg = US"reason not recorded";
326uschar *auth_defer_user_msg = US"";
327int auto_thaw = 0;
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328#ifdef WITH_CONTENT_SCAN
329uschar *av_scanner = US"sophie:/var/run/sophie"; /* AV scanner */
330#endif
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331
332BOOL background_daemon = TRUE;
333uschar *base62_chars=
334 US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
335uschar *bi_command = NULL;
336uschar *big_buffer = NULL;
337int big_buffer_size = BIG_BUFFER_SIZE;
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338#ifdef EXPERIMENTAL_BRIGHTMAIL
339uschar *bmi_alt_location = NULL;
340uschar *bmi_base64_tracker_verdict = NULL;
341uschar *bmi_base64_verdict = NULL;
342uschar *bmi_config_file = US"/opt/brightmail/etc/brightmail.cfg";
343int bmi_deliver = 1;
344int bmi_run = 0;
345uschar *bmi_verdicts = NULL;
346#endif
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347int body_linecount = 0;
348int body_zerocount = 0;
349uschar *bounce_message_file = NULL;
350uschar *bounce_message_text = NULL;
351uschar *bounce_recipient = NULL;
352BOOL bounce_return_body = TRUE;
353BOOL bounce_return_message = TRUE;
354int bounce_return_size_limit = 100*1024;
355uschar *bounce_sender_authentication = NULL;
356int bsmtp_transaction_linecount = 0;
357
358int callout_cache_domain_positive_expire = 7*24*60*60;
359int callout_cache_domain_negative_expire = 3*60*60;
360int callout_cache_positive_expire = 24*60*60;
361int callout_cache_negative_expire = 2*60*60;
362uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
363uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
364int check_log_inodes = 0;
365int check_log_space = 0;
366int check_spool_inodes = 0;
367int check_spool_space = 0;
368int clmacro_count = 0;
369uschar *clmacros[MAX_CLMACROS];
370BOOL config_changed = FALSE;
371FILE *config_file = NULL;
372uschar *config_filename = NULL;
373int config_lineno = 0;
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374#ifdef CONFIGURE_GROUP
375gid_t config_gid = CONFIGURE_GROUP;
376#endif
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377uschar *config_main_filelist = US CONFIGURE_FILE
378 "\0<-----------Space to patch configure_filename->";
379uschar *config_main_filename = NULL;
380
381#ifdef CONFIGURE_OWNER
382uid_t config_uid = CONFIGURE_OWNER;
383#endif
384
385int connection_max_messages= -1;
386uschar *continue_hostname = NULL;
387uschar *continue_host_address = NULL;
388BOOL continue_more = FALSE;
389int continue_sequence = 1;
390uschar *continue_transport = NULL;
391
392BOOL daemon_listen = FALSE;
393uschar *daemon_smtp_port = US"smtp";
3d235903 394BOOL debug_daemon = FALSE;
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395int debug_fd = -1;
396FILE *debug_file = NULL;
397bit_table debug_options[] = {
398 { US"acl", D_acl },
399 { US"all", D_all },
400 { US"auth", D_auth },
401 { US"deliver", D_deliver },
402 { US"dns", D_dns },
403 { US"dnsbl", D_dnsbl },
404 { US"exec", D_exec },
405 { US"expand", D_expand },
406 { US"filter", D_filter },
407 { US"hints_lookup", D_hints_lookup },
408 { US"host_lookup", D_host_lookup },
409 { US"ident", D_ident },
410 { US"interface", D_interface },
411 { US"lists", D_lists },
412 { US"load", D_load },
413 { US"local_scan", D_local_scan },
414 { US"lookup", D_lookup },
415 { US"memory", D_memory },
416 { US"pid", D_pid },
417 { US"process_info", D_process_info },
418 { US"queue_run", D_queue_run },
419 { US"receive", D_receive },
420 { US"resolver", D_resolver },
421 { US"retry", D_retry },
422 { US"rewrite", D_rewrite },
423 { US"route", D_route },
424 { US"timestamp", D_timestamp },
425 { US"tls", D_tls },
426 { US"transport", D_transport },
427 { US"uid", D_uid },
428 { US"verify", D_verify }
429};
430int debug_options_count = sizeof(debug_options)/sizeof(bit_table);
431unsigned int debug_selector = 0;
432int delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
433uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
434BOOL delivery_date_remove = TRUE;
435uschar *deliver_address_data = NULL;
436int deliver_datafile = -1;
437uschar *deliver_domain = NULL;
438uschar *deliver_domain_data = NULL;
439uschar *deliver_domain_orig = NULL;
440uschar *deliver_domain_parent = NULL;
441BOOL deliver_drop_privilege = FALSE;
442BOOL deliver_firsttime = FALSE;
443BOOL deliver_force = FALSE;
444BOOL deliver_freeze = FALSE;
445int deliver_frozen_at = 0;
446uschar *deliver_home = NULL;
447uschar *deliver_host = NULL;
448uschar *deliver_host_address = NULL;
449uschar *deliver_in_buffer = NULL;
450ino_t deliver_inode = 0;
451uschar *deliver_localpart = NULL;
452uschar *deliver_localpart_data = NULL;
453uschar *deliver_localpart_orig = NULL;
454uschar *deliver_localpart_parent = NULL;
455uschar *deliver_localpart_prefix = NULL;
456uschar *deliver_localpart_suffix = NULL;
457BOOL deliver_force_thaw = FALSE;
458BOOL deliver_manual_thaw = FALSE;
459uschar *deliver_out_buffer = NULL;
460int deliver_queue_load_max = -1;
461address_item *deliver_recipients = NULL;
462uschar *deliver_selectstring = NULL;
463BOOL deliver_selectstring_regex = FALSE;
464uschar *deliver_selectstring_sender = NULL;
465BOOL deliver_selectstring_sender_regex = FALSE;
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466#ifdef WITH_OLD_DEMIME
467int demime_errorlevel = 0;
468int demime_ok = 0;
469uschar *demime_reason = NULL;
470#endif
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471BOOL disable_logging = FALSE;
472
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473#ifdef EXPERIMENTAL_DOMAINKEYS
474uschar *dk_signing_domain = NULL;
475uschar *dk_signing_selector = NULL;
476int dk_do_verify = 0;
477#endif
478
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479uschar *dns_again_means_nonexist = NULL;
480uschar *dns_ipv4_lookup = NULL;
481int dns_retrans = 0;
482int dns_retry = 0;
483uschar *dnslist_domain = NULL;
484uschar *dnslist_text = NULL;
485uschar *dnslist_value = NULL;
486tree_node *domainlist_anchor = NULL;
487int domainlist_count = 0;
488BOOL dont_deliver = FALSE;
489BOOL dot_ends = TRUE;
490BOOL drop_cr = FALSE; /* No longer used */
491
492BOOL enable_dollar_recipients = FALSE;
493BOOL envelope_to_remove = TRUE;
494int errno_quota = ERRNO_QUOTA;
495uschar *errors_copy = NULL;
496int error_handling = ERRORS_SENDER;
497uschar *errors_reply_to = NULL;
498int errors_sender_rc = EXIT_FAILURE;
499
500gid_t exim_gid = EXIM_GID;
501BOOL exim_gid_set = TRUE; /* This gid is always set */
502uschar *exim_path = US BIN_DIRECTORY "/exim"
503 "\0<---------------Space to patch exim_path->";
504uid_t exim_uid = EXIM_UID;
505BOOL exim_uid_set = TRUE; /* This uid is always set */
506int expand_forbid = 0;
507int expand_nlength[EXPAND_MAXN+1];
508int expand_nmax = -1;
509uschar *expand_nstring[EXPAND_MAXN+1];
510BOOL expand_string_forcedfail = FALSE;
511uschar *expand_string_message;
512BOOL extract_addresses_remove_arguments = TRUE;
513uschar *extra_local_interfaces = NULL;
514
8523533c 515BOOL fake_reject = FALSE;
dc082449 516uschar *fake_reject_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).";
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517int filter_n[FILTER_VARIABLE_COUNT];
518BOOL filter_running = FALSE;
519int filter_sn[FILTER_VARIABLE_COUNT];
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520int filter_test = FTEST_NONE;
521uschar *filter_test_sfile = NULL;
522uschar *filter_test_ufile = NULL;
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523uschar *filter_thisaddress = NULL;
524int finduser_retries = 0;
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525#ifdef WITH_OLD_DEMIME
526uschar *found_extension = NULL;
527#endif
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528uid_t fixed_never_users[] = { FIXED_NEVER_USERS };
529uschar *freeze_tell = NULL;
530uschar *fudged_queue_times = US"";
531
532uschar *gecos_name = NULL;
533uschar *gecos_pattern = NULL;
534rewrite_rule *global_rewrite_rules = NULL;
535
536uschar *headers_charset = US HEADERS_CHARSET;
537int header_insert_maxlen = 64 * 1024;
538header_line *header_last = NULL;
539header_line *header_list = NULL;
540int header_maxsize = HEADER_MAXSIZE;
541int header_line_maxsize = 0;
542
543header_name header_names[] = {
544 { US"bcc", 3, TRUE, htype_bcc },
545 { US"cc", 2, TRUE, htype_cc },
546 { US"date", 4, TRUE, htype_date },
547 { US"delivery-date", 13, FALSE, htype_delivery_date },
548 { US"envelope-to", 11, FALSE, htype_envelope_to },
549 { US"from", 4, TRUE, htype_from },
550 { US"message-id", 10, TRUE, htype_id },
551 { US"received", 8, FALSE, htype_received },
552 { US"reply-to", 8, FALSE, htype_reply_to },
553 { US"return-path", 11, FALSE, htype_return_path },
554 { US"sender", 6, TRUE, htype_sender },
555 { US"subject", 7, FALSE, htype_subject },
556 { US"to", 2, TRUE, htype_to }
557};
558
559int header_names_size = sizeof(header_names)/sizeof(header_name);
560
561BOOL header_rewritten = FALSE;
562uschar *helo_accept_junk_hosts = NULL;
563uschar *helo_allow_chars = US"";
564uschar *helo_lookup_domains = US"@ : @[]";
565uschar *helo_try_verify_hosts = NULL;
566BOOL helo_verified = FALSE;
567uschar *helo_verify_hosts = NULL;
568uschar *hex_digits = US"0123456789abcdef";
569uschar *hold_domains = NULL;
570BOOL host_checking = FALSE;
571BOOL host_checking_callout = FALSE;
572uschar *host_data = NULL;
573BOOL host_find_failed_syntax= FALSE;
574uschar *host_lookup = NULL;
b08b24c8 575BOOL host_lookup_deferred = FALSE;
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576BOOL host_lookup_failed = FALSE;
577uschar *host_lookup_order = US"bydns:byaddr";
578uschar *host_lookup_msg = US"";
579int host_number = 0;
580uschar *host_number_string = NULL;
581uschar *host_reject_connection = NULL;
582tree_node *hostlist_anchor = NULL;
583int hostlist_count = 0;
584uschar *hosts_treat_as_local = NULL;
585uschar *hosts_connection_nolog = NULL;
586
587int ignore_bounce_errors_after = 10*7*24*60*60; /* 10 weeks */
588BOOL ignore_fromline_local = FALSE;
589uschar *ignore_fromline_hosts = NULL;
590uschar *interface_address = NULL;
591int interface_port = -1;
592BOOL is_inetd = FALSE;
593
594int journal_fd = -1;
595
596int keep_malformed = 4*24*60*60; /* 4 days */
597
598uschar *eldap_dn = NULL;
599int load_average = -2;
600BOOL local_error_message = FALSE;
601BOOL local_from_check = TRUE;
602uschar *local_from_prefix = NULL;
603uschar *local_from_suffix = NULL;
604
605#if HAVE_IPV6
606uschar *local_interfaces = US"<; ::0 ; 0.0.0.0";
607#else
608uschar *local_interfaces = US"0.0.0.0";
609#endif
610
611uschar *local_scan_data = NULL;
612int local_scan_timeout = 5*60;
613BOOL local_sender_retain = FALSE;
614gid_t local_user_gid = (gid_t)(-1);
615uid_t local_user_uid = (uid_t)(-1);
616
617tree_node *localpartlist_anchor= NULL;
618int localpartlist_count = 0;
619uschar *log_buffer = NULL;
620unsigned int log_extra_selector = LX_default;
621uschar *log_file_path = US LOG_FILE_PATH
622 "\0<--------------Space to patch log_file_path->";
623
624/* Those log options with L_xxx identifiers have values less than 0x800000 and
625are the ones that get put into log_write_selector. They can be used in calls to
626log_write() to test for the bit. The options with LX_xxx identifiers have
627values greater than 0x80000000 and are put int log_extra_selector (without the
628top bit). They are never used in calls to log_write(), but are tested
629independently. This separation became necessary when the number of log
630selectors was getting close to filling a 32-bit word. */
631
632bit_table log_options[] = {
633 { US"address_rewrite", L_address_rewrite },
634 { US"all", L_all },
635 { US"all_parents", L_all_parents },
636 { US"arguments", LX_arguments },
637 { US"connection_reject", L_connection_reject },
638 { US"delay_delivery", L_delay_delivery },
639 { US"deliver_time", LX_deliver_time },
640 { US"delivery_size", LX_delivery_size },
641 { US"dnslist_defer", L_dnslist_defer },
642 { US"etrn", L_etrn },
643 { US"host_lookup_failed", L_host_lookup_failed },
644 { US"ident_timeout", LX_ident_timeout },
645 { US"incoming_interface", LX_incoming_interface },
646 { US"incoming_port", LX_incoming_port },
647 { US"lost_incoming_connection", L_lost_incoming_connection },
648 { US"outgoing_port", LX_outgoing_port },
649 { US"queue_run", L_queue_run },
650 { US"queue_time", LX_queue_time },
2ac0e484 651 { US"queue_time_overall", LX_queue_time_overall },
059ec3d9
PH
652 { US"received_recipients", LX_received_recipients },
653 { US"received_sender", LX_received_sender },
654 { US"rejected_header", LX_rejected_header },
655 { US"rejected_headers", LX_rejected_header },
656 { US"retry_defer", L_retry_defer },
657 { US"return_path_on_delivery", LX_return_path_on_delivery },
658 { US"sender_on_delivery", LX_sender_on_delivery },
659 { US"size_reject", L_size_reject },
660 { US"skip_delivery", L_skip_delivery },
661 { US"smtp_confirmation", LX_smtp_confirmation },
662 { US"smtp_connection", L_smtp_connection },
663 { US"smtp_incomplete_transaction", L_smtp_incomplete_transaction },
664 { US"smtp_protocol_error", L_smtp_protocol_error },
665 { US"smtp_syntax_error", L_smtp_syntax_error },
666 { US"subject", LX_subject },
667 { US"tls_certificate_verified", LX_tls_certificate_verified },
668 { US"tls_cipher", LX_tls_cipher },
669 { US"tls_peerdn", LX_tls_peerdn }
670};
671
672int log_options_count = sizeof(log_options)/sizeof(bit_table);
673unsigned int log_write_selector= L_default;
674uschar *log_selector_string = NULL;
675FILE *log_stderr = NULL;
676BOOL log_testing_mode = FALSE;
677BOOL log_timezone = FALSE;
678uschar *login_sender_address = NULL;
679int lookup_open_max = 25;
680uschar *lookup_value = NULL;
681
682macro_item *macros = NULL;
683uschar *mailstore_basename = NULL;
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TK
684#ifdef WITH_CONTENT_SCAN
685uschar *malware_name = NULL; /* Virus Name */
686#endif
059ec3d9
PH
687int max_username_length = 0;
688int message_age = 0;
689uschar *message_body = NULL;
690uschar *message_body_end = NULL;
691int message_body_size = 0;
692int message_body_visible = 500;
693int message_ended = END_NOTSTARTED;
694uschar *message_headers = NULL;
695uschar *message_id;
696uschar *message_id_domain = NULL;
697uschar *message_id_text = NULL;
698struct timeval message_id_tv = { 0, 0 };
699uschar message_id_option[MESSAGE_ID_LENGTH + 3];
700uschar *message_id_external;
701int message_linecount = 0;
702BOOL message_logs = TRUE;
703int message_size = 0;
704uschar *message_size_limit = US"50M";
705uschar message_subdir[2] = { 0, 0 };
706uschar *message_reference = NULL;
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707
708/* MIME ACL expandables */
709#ifdef WITH_CONTENT_SCAN
f7b63901 710int mime_anomaly_level = 0;
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TK
711uschar *mime_anomaly_text = NULL;
712uschar *mime_boundary = NULL;
713uschar *mime_charset = NULL;
714uschar *mime_content_description = NULL;
715uschar *mime_content_disposition = NULL;
716uschar *mime_content_id = NULL;
717unsigned int mime_content_size = 0;
718uschar *mime_content_transfer_encoding = NULL;
719uschar *mime_content_type = NULL;
720uschar *mime_decoded_filename = NULL;
721uschar *mime_filename = NULL;
722int mime_is_multipart = 0;
723int mime_is_coverletter = 0;
724int mime_is_rfc822 = 0;
725int mime_part_count = -1;
726#endif
727
059ec3d9
PH
728BOOL mua_wrapper = FALSE;
729
730uid_t *never_users = NULL;
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731#ifdef WITH_CONTENT_SCAN
732BOOL no_mbox_unspool = FALSE;
733#endif
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PH
734BOOL no_multiline_responses = FALSE;
735
736uid_t original_euid;
737gid_t originator_gid;
738uschar *originator_login = NULL;
739uschar *originator_name = NULL;
740uid_t originator_uid;
741uschar *override_local_interfaces = NULL;
742uschar *override_pid_file_path = NULL;
743
744BOOL parse_allow_group = FALSE;
745BOOL parse_found_group = FALSE;
746uschar *percent_hack_domains = NULL;
747uschar *pid_file_path = US PID_FILE_PATH
748 "\0<--------------Space to patch pid_file_path->";
749uschar *pipelining_advertise_hosts = US"*";
750BOOL preserve_message_logs = FALSE;
751uschar *primary_hostname = NULL;
752BOOL print_topbitchars = FALSE;
753uschar process_info[PROCESS_INFO_SIZE];
754uschar *process_log_path = NULL;
755BOOL prod_requires_admin = TRUE;
756
757uschar *qualify_domain_recipient = NULL;
758uschar *qualify_domain_sender = NULL;
759BOOL queue_2stage = FALSE;
760uschar *queue_domains = NULL;
761int queue_interval = -1;
762BOOL queue_list_requires_admin = TRUE;
763BOOL queue_only = FALSE;
764uschar *queue_only_file = NULL;
765int queue_only_load = -1;
766BOOL queue_only_override = TRUE;
767BOOL queue_only_policy = FALSE;
768BOOL queue_run_first_delivery = FALSE;
769BOOL queue_run_force = FALSE;
770BOOL queue_run_in_order = FALSE;
771BOOL queue_run_local = FALSE;
772int queue_run_max = 5;
773pid_t queue_run_pid = (pid_t)0;
774int queue_run_pipe = -1;
775BOOL queue_running = FALSE;
776BOOL queue_smtp = FALSE;
777uschar *queue_smtp_domains = NULL;
778
779unsigned int random_seed = 0;
780uschar *raw_active_hostname = NULL;
781uschar *raw_sender = NULL;
782uschar **raw_recipients = NULL;
783int raw_recipients_count = 0;
784
785int rcpt_count = 0;
786int rcpt_fail_count = 0;
787int rcpt_defer_count = 0;
788gid_t real_gid;
789uid_t real_uid;
790BOOL really_exim = TRUE;
791BOOL receive_call_bombout = FALSE;
792int receive_linecount = 0;
793int receive_messagecount = 0;
794int receive_timeout = 0;
795int received_count = 0;
796uschar *received_for = NULL;
797
798/* This is the default text for Received headers generated by Exim. The
799date will be automatically added on the end. */
800
801uschar *received_header_text = US
802 "Received: "
803 "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1e70f85b 804 "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
059ec3d9
PH
805 "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
806 "by $primary_hostname "
807 "${if def:received_protocol {with $received_protocol}} "
808 #ifdef SUPPORT_TLS
809 "${if def:tls_cipher {($tls_cipher)\n\t}}"
810 #endif
811 "(Exim $version_number)\n\t"
812 "id $message_id"
813 "${if def:received_for {\n\tfor $received_for}}"
814 "\0<---------------Space to patch received_header_text->";
815
816int received_headers_max = 30;
817uschar *received_protocol = NULL;
818int received_time = 0;
819uschar *recipient_data = NULL;
820uschar *recipient_unqualified_hosts = NULL;
2c7db3f5 821uschar *recipient_verify_failure = NULL;
059ec3d9
PH
822int recipients_count = 0;
823BOOL recipients_discarded = FALSE;
824recipient_item *recipients_list = NULL;
825int recipients_list_max = 0;
826int recipients_max = 0;
827BOOL recipients_max_reject = FALSE;
828const pcre *regex_AUTH = NULL;
829const pcre *regex_check_dns_names = NULL;
830const pcre *regex_From = NULL;
831const pcre *regex_PIPELINING = NULL;
832const pcre *regex_SIZE = NULL;
833const pcre *regex_ismsgid = NULL;
8523533c
TK
834#ifdef WITH_CONTENT_SCAN
835uschar *regex_match_string = NULL;
836#endif
059ec3d9
PH
837int remote_delivery_count = 0;
838int remote_max_parallel = 2;
839uschar *remote_sort_domains = NULL;
840int retry_data_expire = 7*24*60*60;
841int retry_interval_max = 24*60*60;
842int retry_maximum_timeout = 0; /* set from retry config */
843retry_config *retries = NULL;
844uschar *return_path = NULL;
845BOOL return_path_remove = TRUE;
846int rewrite_existflags = 0;
847uschar *rfc1413_hosts = US"*";
848int rfc1413_query_timeout = 30;
849/* BOOL rfc821_domains = FALSE; <<< on the way out */
850uid_t root_uid = ROOT_UID;
851
852router_instance *routers = NULL;
853router_instance router_defaults = {
854 NULL, /* chain pointer */
855 NULL, /* name */
856 NULL, /* info */
857 NULL, /* private options block pointer */
858 NULL, /* driver name */
859
860 NULL, /* address_data */
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TK
861#ifdef EXPERIMENTAL_BRIGHTMAIL
862 NULL, /* bmi_rule */
8e669ac1 863#endif
059ec3d9
PH
864 NULL, /* cannot_route_message */
865 NULL, /* condition */
866 NULL, /* current_directory */
867 NULL, /* debug_string */
868 NULL, /* domains */
869 NULL, /* errors_to */
870 NULL, /* expand_gid */
871 NULL, /* expand_uid */
872 NULL, /* expand_more */
873 NULL, /* expand_unseen */
874 NULL, /* extra_headers */
875 NULL, /* fallback_hosts */
876 NULL, /* home_directory */
877 NULL, /* ignore_target_hosts */
878 NULL, /* local_parts */
879 NULL, /* pass_router_name */
880 NULL, /* prefix */
881 NULL, /* redirect_router_name */
882 NULL, /* remove_headers */
883 NULL, /* require_files */
884 NULL, /* router_home_directory */
885 US"freeze", /* self */
886 NULL, /* senders */
887 NULL, /* suffix */
888 NULL, /* translate_ip_address */
889 NULL, /* transport_name */
890
891 TRUE, /* address_test */
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892#ifdef EXPERIMENTAL_BRIGHTMAIL
893 FALSE, /* bmi_deliver_alternate */
894 FALSE, /* bmi_deliver_default */
895 FALSE, /* bmi_dont_deliver */
896#endif
059ec3d9
PH
897 TRUE, /* expn */
898 FALSE, /* caseful_local_part */
899 FALSE, /* check_local_user */
900 FALSE, /* disable_logging */
901 FALSE, /* fail_verify_recipient */
902 FALSE, /* fail_verify_sender */
903 FALSE, /* gid_set */
904 FALSE, /* initgroups */
905 TRUE_UNSET, /* log_as_local */
906 TRUE, /* more */
907 FALSE, /* pass_on_timeout */
908 FALSE, /* prefix_optional */
909 TRUE, /* repeat_use */
910 TRUE_UNSET, /* retry_use_local_part - fudge "unset" */
911 FALSE, /* same_domain_copy_routing */
912 FALSE, /* self_rewrite */
913 FALSE, /* suffix_optional */
914 FALSE, /* verify_only */
915 TRUE, /* verify_recipient */
916 TRUE, /* verify_sender */
917 FALSE, /* uid_set */
918 FALSE, /* unseen */
919
920 self_freeze, /* self_code */
921 (uid_t)(-1), /* uid */
922 (gid_t)(-1), /* gid */
923
924 NULL, /* fallback_hostlist */
925 NULL, /* transport instance */
926 NULL, /* pass_router */
927 NULL /* redirect_router */
928};
929
930ip_address_item *running_interfaces = NULL;
931BOOL running_in_test_harness = FALSE;
932
933/* This is a weird one. The following string gets patched in the binary by the
934script that sets up a copy of Exim for running in the test harness. It seems
935that compilers are now clever, and share constant strings if they can.
936Elsewhere in Exim the string "<" is used. The compiler optimization seems to
937make use of the end of this string in order to save space. So the patching then
938wrecks this. We default this optimization by adding some additional characters
939onto the end of the string. */
940
941uschar *running_status = US">>>running<<<" "\0EXTRA";
942
943int runrc = 0;
944
945uschar *search_error_message = NULL;
946BOOL search_find_defer = FALSE;
947uschar *self_hostname = NULL;
948uschar *sender_address = NULL;
949unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
2a3eea10 950uschar *sender_address_data = NULL;
059ec3d9
PH
951BOOL sender_address_forced = FALSE;
952uschar *sender_address_unrewritten = NULL;
953uschar *sender_data = NULL;
954unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
955uschar *sender_fullhost = NULL;
956uschar *sender_helo_name = NULL;
957uschar **sender_host_aliases = &no_aliases;
958uschar *sender_host_address = NULL;
959uschar *sender_host_authenticated = NULL;
960unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
961uschar *sender_host_name = NULL;
962int sender_host_port = 0;
963BOOL sender_host_notsocket = FALSE;
964BOOL sender_host_unknown = FALSE;
965uschar *sender_ident = NULL;
966BOOL sender_local = FALSE;
967uschar *sender_rcvhost = NULL;
968BOOL sender_set_untrusted = FALSE;
969uschar *sender_unqualified_hosts = NULL;
2c7db3f5 970uschar *sender_verify_failure = NULL;
059ec3d9
PH
971address_item *sender_verified_list = NULL;
972address_item *sender_verified_failed = NULL;
973int sender_verified_rc = -1;
974BOOL sender_verified_responded = FALSE;
975volatile BOOL sigalrm_seen = FALSE;
976uschar **sighup_argv = NULL;
977int smtp_accept_count = 0;
978BOOL smtp_accept_keepalive = TRUE;
979int smtp_accept_max = 20;
980int smtp_accept_max_nonmail= 10;
981uschar *smtp_accept_max_nonmail_hosts = US"*";
982int smtp_accept_max_per_connection = 1000;
983uschar *smtp_accept_max_per_host = NULL;
984int smtp_accept_queue = 0;
985int smtp_accept_queue_per_connection = 10;
986int smtp_accept_reserve = 0;
987uschar *smtp_active_hostname = NULL;
988BOOL smtp_authenticated = FALSE;
1f5b4c3d 989uschar *smtp_banner = US"$smtp_active_hostname ESMTP "
059ec3d9
PH
990 "Exim $version_number $tod_full"
991 "\0<---------------Space to patch smtp_banner->";
992BOOL smtp_batched_input = FALSE;
993BOOL smtp_check_spool_space = TRUE;
994uschar *smtp_command_argument = NULL;
995int smtp_connect_backlog = 20;
996double smtp_delay_mail = 0.0;
997double smtp_delay_rcpt = 0.0;
998BOOL smtp_enforce_sync = TRUE;
999FILE *smtp_in = NULL;
1000BOOL smtp_input = FALSE;
1001int smtp_load_reserve = -1;
1002int smtp_mailcmd_count = 0;
1003FILE *smtp_out = NULL;
1004uschar *smtp_etrn_command = NULL;
1005BOOL smtp_etrn_serialize = TRUE;
1006int smtp_max_synprot_errors= 3;
1007int smtp_max_unknown_commands = 3;
1008uschar *smtp_ratelimit_hosts = NULL;
1009uschar *smtp_ratelimit_mail = NULL;
1010uschar *smtp_ratelimit_rcpt = NULL;
1011uschar *smtp_read_error = US"";
1012int smtp_receive_timeout = 5*60;
1013uschar *smtp_reserve_hosts = NULL;
1014BOOL smtp_return_error_details = FALSE;
1015int smtp_rlm_base = 0;
1016double smtp_rlm_factor = 0.0;
1017int smtp_rlm_limit = 0;
1018int smtp_rlm_threshold = INT_MAX;
1019int smtp_rlr_base = 0;
1020double smtp_rlr_factor = 0.0;
1021int smtp_rlr_limit = 0;
1022int smtp_rlr_threshold = INT_MAX;
1023BOOL smtp_use_pipelining = FALSE;
1024BOOL smtp_use_size = FALSE;
8523533c
TK
1025
1026#ifdef WITH_CONTENT_SCAN
1027uschar *spamd_address = US"127.0.0.1 783";
1028uschar *spam_bar = NULL;
1029uschar *spam_report = NULL;
1030uschar *spam_score = NULL;
1031uschar *spam_score_int = NULL;
1032#endif
1033#ifdef EXPERIMENTAL_SPF
1034uschar *spf_header_comment = NULL;
1035uschar *spf_received = NULL;
1036uschar *spf_result = NULL;
1037uschar *spf_smtp_comment = NULL;
1038#endif
1039
059ec3d9
PH
1040BOOL split_spool_directory = FALSE;
1041uschar *spool_directory = US SPOOL_DIRECTORY
1042 "\0<--------------Space to patch spool_directory->";
8523533c
TK
1043#ifdef EXPERIMENTAL_SRS
1044uschar *srs_config = NULL;
1045uschar *srs_db_address = NULL;
1046uschar *srs_db_key = NULL;
1047uschar *srs_orig_recipient = NULL;
1048uschar *srs_orig_sender = NULL;
1049uschar *srs_recipient = NULL;
1050uschar *srs_status = NULL;
8e669ac1 1051#endif
059ec3d9
PH
1052int string_datestamp_offset= -1;
1053BOOL strip_excess_angle_brackets = FALSE;
1054BOOL strip_trailing_dot = FALSE;
1055uschar *submission_domain = NULL;
1056BOOL submission_mode = FALSE;
1057BOOL synchronous_delivery = FALSE;
1058BOOL syslog_duplication = TRUE;
1059int syslog_facility = LOG_MAIL;
1060uschar *syslog_processname = US"exim";
1061BOOL syslog_timestamp = TRUE;
1062uschar *system_filter = NULL;
1063
1064uschar *system_filter_directory_transport = NULL;
1065uschar *system_filter_file_transport = NULL;
1066uschar *system_filter_pipe_transport = NULL;
1067uschar *system_filter_reply_transport = NULL;
1068
1069gid_t system_filter_gid = 0;
1070BOOL system_filter_gid_set = FALSE;
1071uid_t system_filter_uid = 0;
1072BOOL system_filter_uid_set = FALSE;
1073BOOL system_filtering = FALSE;
1074
1075BOOL tcp_nodelay = TRUE;
1076int thismessage_size_limit = 0;
1077int timeout_frozen_after = 0;
1078BOOL timestamps_utc = FALSE;
1079
1080transport_instance *transports = NULL;
1081
1082transport_instance transport_defaults = {
1083 NULL, /* chain pointer */
1084 NULL, /* name */
1085 NULL, /* info */
1086 NULL, /* private options block pointer */
1087 NULL, /* driver name */
1088 NULL, /* setup entry point */
1089 1, /* batch_max */
1090 NULL, /* batch_id */
1091 NULL, /* home_dir */
1092 NULL, /* current_dir */
1093 TRUE, /* multi-domain */
1094 FALSE, /* overrides_hosts */
1095 100, /* max_addresses */
1096 500, /* connection_max_messages */
1097 FALSE, /* deliver_as_creator */
1098 FALSE, /* disable_logging */
1099 FALSE, /* initgroups */
1100 FALSE, /* uid_set */
1101 FALSE, /* gid_set */
1102 (uid_t)(-1), /* uid */
1103 (gid_t)(-1), /* gid */
1104 NULL, /* expand_uid */
1105 NULL, /* expand_gid */
1106 NULL, /* warn_message */
1107 NULL, /* shadow */
1108 NULL, /* shadow_condition */
1109 NULL, /* filter_command */
1110 NULL, /* add_headers */
1111 NULL, /* remove_headers */
1112 NULL, /* return_path */
1113 NULL, /* debug_string */
1114 NULL, /* message_size_limit */
1115 NULL, /* headers_rewrite */
1116 NULL, /* rewrite_rules */
1117 0, /* rewrite_existflags */
1118 300, /* filter_timeout */
1119 FALSE, /* body_only */
1120 FALSE, /* delivery_date_add */
1121 FALSE, /* envelope_to_add */
1122 FALSE, /* headers_only */
1123 FALSE, /* rcpt_include_affixes */
1124 FALSE, /* return_path_add */
1125 FALSE, /* return_output */
1126 FALSE, /* return_fail_output */
1127 FALSE, /* log_output */
1128 FALSE, /* log_fail_output */
1129 FALSE, /* log_defer_output */
1130 TRUE_UNSET /* retry_use_local_part: BOOL, but set neither
1131 1 nor 0 so can detect unset */
1132};
1133
1134int transport_count;
1135uschar **transport_filter_argv = NULL;
1136int transport_filter_timeout;
1137int transport_write_timeout= 0;
1138
1139tree_node *tree_dns_fails = NULL;
1140tree_node *tree_duplicates = NULL;
1141tree_node *tree_nonrecipients = NULL;
1142tree_node *tree_unusable = NULL;
1143
1144BOOL trusted_caller = FALSE;
1145gid_t *trusted_groups = NULL;
1146uid_t *trusted_users = NULL;
1147uschar *timezone_string = US TIMEZONE_DEFAULT;
1148
1149uschar *unknown_login = NULL;
1150uschar *unknown_username = NULL;
1151uschar *untrusted_set_sender = NULL;
1152
1153/* A regex for matching a "From_" line in an incoming message, in the form
1154
1155 From ph10 Fri Jan 5 12:35 GMT 1996
1156
1157which the "mail" commands send to the MTA (undocumented, of course), or in
1158the form
1159
1160 From ph10 Fri, 7 Jan 97 14:00:00 GMT
1161
1162which is apparently used by some UUCPs, despite it not being in RFC 976.
1163Because of variations in time formats, just match up to the minutes. That
1164should be sufficient. Examples have been seen of time fields like 12:1:03,
1165so just require one digit for hours and minutes. The weekday is also absent
1166in some forms. */
1167
1168uschar *uucp_from_pattern = US
1169 "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?" /* Common start */
1170 "(?:" /* Non-extracting bracket */
1171 "[a-zA-Z]{3}\\s+\\d?\\d|" /* First form */
1172 "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?" /* Second form */
1173 ")" /* End alternation */
1174 "\\s+\\d\\d?:\\d\\d?"; /* Start of time */
1175
1176uschar *uucp_from_sender = US"$1";
1177
1178uschar *warn_message_file = NULL;
1179uschar *warnmsg_delay = NULL;
1180uschar *warnmsg_recipients = NULL;
1181BOOL write_rejectlog = TRUE;
1182
4929acf0 1183uschar *version_copyright = US"Copyright (c) University of Cambridge 2005";
059ec3d9
PH
1184uschar *version_date = US"?";
1185uschar *version_cnumber = US"????";
1186uschar *version_string = US"?";
1187
1188int warning_count = 0;
1189
1190/* End of globals.c */