Patch imported from bugzilla 1031. Axel Rau.
[users/jgh/exim.git] / src / src / globals.c
1 /*************************************************
2 *     Exim - an Internet mail transport agent    *
3 *************************************************/
4
5 /* Copyright (c) University of Cambridge 1995 - 2012 */
6 /* See the file NOTICE for conditions of use and distribution. */
7
8 /* All the global variables are defined together in this one module, so
9 that they are easy to find. */
10
11 #include "exim.h"
12
13
14 /* Generic options for auths, all of which live inside auth_instance
15 data blocks and hence have the opt_public flag set. */
16
17 optionlist optionlist_auths[] = {
18   { "client_condition", opt_stringptr | opt_public,
19                  (void *)(offsetof(auth_instance, client_condition)) },
20   { "driver",        opt_stringptr | opt_public,
21                  (void *)(offsetof(auth_instance, driver_name)) },
22   { "public_name",   opt_stringptr | opt_public,
23                  (void *)(offsetof(auth_instance, public_name)) },
24   { "server_advertise_condition", opt_stringptr | opt_public,
25                  (void *)(offsetof(auth_instance, advertise_condition))},
26   { "server_condition", opt_stringptr | opt_public,
27                  (void *)(offsetof(auth_instance, server_condition)) },
28   { "server_debug_print", opt_stringptr | opt_public,
29                  (void *)(offsetof(auth_instance, server_debug_string)) },
30   { "server_mail_auth_condition", opt_stringptr | opt_public,
31                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
32   { "server_set_id", opt_stringptr | opt_public,
33                  (void *)(offsetof(auth_instance, set_id)) }
34 };
35
36 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
37
38 /* An empty host aliases list. */
39
40 uschar *no_aliases             = NULL;
41
42
43 /* For comments on these variables, see globals.h. I'm too idle to
44 duplicate them here... */
45
46 #ifdef EXIM_PERL
47 uschar *opt_perl_startup       = NULL;
48 BOOL    opt_perl_at_start      = FALSE;
49 BOOL    opt_perl_started       = FALSE;
50 #endif
51
52 #ifdef EXPAND_DLFUNC
53 tree_node *dlobj_anchor        = NULL;
54 #endif
55
56 #ifdef LOOKUP_IBASE
57 uschar *ibase_servers          = NULL;
58 #endif
59
60 #ifdef LOOKUP_LDAP
61 uschar *eldap_ca_cert_dir      = NULL;
62 uschar *eldap_ca_cert_file     = NULL;
63 uschar *eldap_cert_file        = NULL;
64 uschar *eldap_cert_key         = NULL;
65 uschar *eldap_cipher_suite     = NULL;
66 uschar *eldap_default_servers  = NULL;
67 uschar *eldap_require_cert     = NULL;
68 int     eldap_version          = -1;
69 BOOL    eldap_start_tls        = FALSE;
70 #endif
71
72 #ifdef LOOKUP_MYSQL
73 uschar *mysql_servers          = NULL;
74 #endif
75
76 #ifdef LOOKUP_ORACLE
77 uschar *oracle_servers         = NULL;
78 #endif
79
80 #ifdef LOOKUP_PGSQL
81 uschar *pgsql_servers          = NULL;
82 #endif
83
84 #ifdef LOOKUP_SQLITE
85 int     sqlite_lock_timeout    = 5;
86 #endif
87
88 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
89 BOOL    move_frozen_messages   = FALSE;
90 #endif
91
92 /* These variables are outside the #ifdef because it keeps the code less
93 cluttered in several places (e.g. during logging) if we can always refer to
94 them. Also, the tls_ variables are now always visible. */
95
96 BOOL    tls_active             = -1;
97 int     tls_bits               = 0;
98 BOOL    tls_certificate_verified = FALSE;
99 uschar *tls_cipher             = NULL;
100 BOOL    tls_on_connect         = FALSE;
101 uschar *tls_on_connect_ports   = NULL;
102 uschar *tls_peerdn             = NULL;
103
104 #ifdef SUPPORT_TLS
105 BOOL    gnutls_compat_mode     = FALSE;
106 uschar *gnutls_require_mac     = NULL;
107 uschar *gnutls_require_kx      = NULL;
108 uschar *gnutls_require_proto   = NULL;
109 uschar *openssl_options        = NULL;
110 const pcre *regex_STARTTLS     = NULL;
111 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
112 uschar *tls_certificate        = NULL;
113 uschar *tls_crl                = NULL;
114 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
115 that's the interop problem which has been observed: GnuTLS suggesting a higher
116 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
117 int     tls_dh_max_bits        = 2236;
118 uschar *tls_dhparam            = NULL;
119 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
120 uschar *tls_ocsp_file          = NULL;
121 #endif
122 BOOL    tls_offered            = FALSE;
123 uschar *tls_privatekey         = NULL;
124 BOOL    tls_remember_esmtp     = FALSE;
125 uschar *tls_require_ciphers    = NULL;
126 uschar *tls_sni                = NULL;
127 uschar *tls_try_verify_hosts   = NULL;
128 uschar *tls_verify_certificates= NULL;
129 uschar *tls_verify_hosts       = NULL;
130 #endif
131
132
133 /* Input-reading functions for messages, so we can use special ones for
134 incoming TCP/IP. The defaults use stdin. We never need these for any
135 stand-alone tests. */
136
137 #ifndef STAND_ALONE
138 int (*receive_getc)(void)      = stdin_getc;
139 int (*receive_ungetc)(int)     = stdin_ungetc;
140 int (*receive_feof)(void)      = stdin_feof;
141 int (*receive_ferror)(void)    = stdin_ferror;
142 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
143 #endif
144
145
146 /* List of per-address expansion variables for clearing and saving/restoring
147 when verifying one address while routing/verifying another. We have to have
148 the size explicit, because it is referenced from more than one module. */
149
150 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
151   &deliver_address_data,
152   &deliver_domain,
153   &deliver_domain_data,
154   &deliver_domain_orig,
155   &deliver_domain_parent,
156   &deliver_localpart,
157   &deliver_localpart_data,
158   &deliver_localpart_orig,
159   &deliver_localpart_parent,
160   &deliver_localpart_prefix,
161   &deliver_localpart_suffix,
162   (uschar **)(&deliver_recipients),
163   &deliver_host,
164   &deliver_home,
165   &address_file,
166   &address_pipe,
167   &self_hostname,
168   NULL };
169
170 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
171
172 /* General global variables */
173
174 header_line *acl_added_headers = NULL;
175 tree_node *acl_anchor          = NULL;
176
177 uschar *acl_not_smtp           = NULL;
178 #ifdef WITH_CONTENT_SCAN
179 uschar *acl_not_smtp_mime      = NULL;
180 #endif
181 uschar *acl_not_smtp_start     = NULL;
182
183 uschar *acl_smtp_auth          = NULL;
184 uschar *acl_smtp_connect       = NULL;
185 uschar *acl_smtp_data          = NULL;
186 #ifndef DISABLE_DKIM
187 uschar *acl_smtp_dkim          = NULL;
188 #endif
189 uschar *acl_smtp_etrn          = NULL;
190 uschar *acl_smtp_expn          = NULL;
191 uschar *acl_smtp_helo          = NULL;
192 uschar *acl_smtp_mail          = NULL;
193 uschar *acl_smtp_mailauth      = NULL;
194 #ifdef WITH_CONTENT_SCAN
195 uschar *acl_smtp_mime          = NULL;
196 #endif
197 uschar *acl_smtp_notquit       = NULL;
198 uschar *acl_smtp_predata       = NULL;
199 uschar *acl_smtp_quit          = NULL;
200 uschar *acl_smtp_rcpt          = NULL;
201 uschar *acl_smtp_starttls      = NULL;
202 uschar *acl_smtp_vrfy          = NULL;
203
204 BOOL    acl_temp_details       = FALSE;
205 tree_node *acl_var_c           = NULL;
206 tree_node *acl_var_m           = NULL;
207 uschar *acl_verify_message     = NULL;
208 string_item *acl_warn_logged   = NULL;
209
210 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
211 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
212
213 uschar *acl_wherenames[]       = { US"RCPT",
214                                    US"MAIL",
215                                    US"PREDATA",
216                                    US"MIME",
217                                    US"DKIM",
218                                    US"DATA",
219                                    US"non-SMTP",
220                                    US"AUTH",
221                                    US"connection",
222                                    US"ETRN",
223                                    US"EXPN",
224                                    US"EHLO or HELO",
225                                    US"MAILAUTH",
226                                    US"non-SMTP-start",
227                                    US"NOTQUIT",
228                                    US"QUIT",
229                                    US"STARTTLS",
230                                    US"VRFY"
231                                  };
232
233 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
234                                    US"550",     /* MAIL */
235                                    US"550",     /* PREDATA */
236                                    US"550",     /* MIME */
237                                    US"550",     /* DKIM */
238                                    US"550",     /* DATA */
239                                    US"0",       /* not SMTP; not relevant */
240                                    US"503",     /* AUTH */
241                                    US"550",     /* connect */
242                                    US"458",     /* ETRN */
243                                    US"550",     /* EXPN */
244                                    US"550",     /* HELO/EHLO */
245                                    US"0",       /* MAILAUTH; not relevant */
246                                    US"0",       /* not SMTP; not relevant */
247                                    US"0",       /* NOTQUIT; not relevant */
248                                    US"0",       /* QUIT; not relevant */
249                                    US"550",     /* STARTTLS */
250                                    US"252"      /* VRFY */
251                                  };
252
253 BOOL    active_local_from_check = FALSE;
254 BOOL    active_local_sender_retain = FALSE;
255 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
256 address_item  *addr_duplicate  = NULL;
257
258 address_item address_defaults = {
259   NULL,                 /* next */
260   NULL,                 /* parent */
261   NULL,                 /* first */
262   NULL,                 /* dupof */
263   NULL,                 /* start_router */
264   NULL,                 /* router */
265   NULL,                 /* transport */
266   NULL,                 /* host_list */
267   NULL,                 /* host_used */
268   NULL,                 /* fallback_hosts */
269   NULL,                 /* reply */
270   NULL,                 /* retries */
271   NULL,                 /* address */
272   NULL,                 /* unique */
273   NULL,                 /* cc_local_part */
274   NULL,                 /* lc_local_part */
275   NULL,                 /* local_part */
276   NULL,                 /* prefix */
277   NULL,                 /* suffix */
278   NULL,                 /* domain */
279   NULL,                 /* address_retry_key */
280   NULL,                 /* domain_retry_key */
281   NULL,                 /* current_dir */
282   NULL,                 /* home_dir */
283   NULL,                 /* message */
284   NULL,                 /* user_message */
285   NULL,                 /* onetime_parent */
286   NULL,                 /* pipe_expandn */
287   NULL,                 /* return_filename */
288   NULL,                 /* self_hostname */
289   NULL,                 /* shadow_message */
290   #ifdef SUPPORT_TLS
291   NULL,                 /* cipher */
292   NULL,                 /* peerdn */
293   #endif
294   (uid_t)(-1),          /* uid */
295   (gid_t)(-1),          /* gid */
296   0,                    /* flags */
297   { 0 },                /* domain_cache - any larger array should be zeroed */
298   { 0 },                /* localpart_cache - ditto */
299   -1,                   /* mode */
300   0,                    /* more_errno */
301   ERRNO_UNKNOWNERROR,   /* basic_errno */
302   0,                    /* child_count */
303   -1,                   /* return_file */
304   SPECIAL_NONE,         /* special_action */
305   DEFER,                /* transport_return */
306   {                     /* fields that are propagated to children */
307     NULL,               /* address_data */
308     NULL,               /* domain_data */
309     NULL,               /* localpart_data */
310     NULL,               /* errors_address */
311     NULL,               /* extra_headers */
312     NULL,               /* remove_headers */
313 #ifdef EXPERIMENTAL_SRS
314     NULL,               /* srs_sender */
315 #endif
316   }
317 };
318
319 uschar *address_file           = NULL;
320 uschar *address_pipe           = NULL;
321 BOOL    address_test_mode      = FALSE;
322 tree_node *addresslist_anchor  = NULL;
323 int     addresslist_count      = 0;
324 gid_t  *admin_groups           = NULL;
325 BOOL    admin_user             = FALSE;
326 BOOL    allow_auth_unadvertised= FALSE;
327 BOOL    allow_domain_literals  = FALSE;
328 BOOL    allow_mx_to_ip         = FALSE;
329 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
330 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
331 BOOL    allow_utf8_domains     = FALSE;
332 uschar *authenticated_id       = NULL;
333 uschar *authenticated_sender   = NULL;
334 BOOL    authentication_failed  = FALSE;
335 auth_instance  *auths          = NULL;
336 uschar *auth_advertise_hosts   = US"*";
337 auth_instance auth_defaults    = {
338     NULL,                      /* chain pointer */
339     NULL,                      /* name */
340     NULL,                      /* info */
341     NULL,                      /* private options block pointer */
342     NULL,                      /* driver_name */
343     NULL,                      /* advertise_condition */
344     NULL,                      /* client_condition */
345     NULL,                      /* public_name */
346     NULL,                      /* set_id */
347     NULL,                      /* server_mail_auth_condition */
348     NULL,                      /* server_debug_string */
349     NULL,                      /* server_condition */
350     FALSE,                     /* client */
351     FALSE,                     /* server */
352     FALSE                      /* advertised */
353 };
354
355 uschar *auth_defer_msg         = US"reason not recorded";
356 uschar *auth_defer_user_msg    = US"";
357 uschar *auth_vars[AUTH_VARS];
358 int     auto_thaw              = 0;
359 #ifdef WITH_CONTENT_SCAN
360 BOOL    av_failed              = FALSE;
361 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
362 #endif
363
364 BOOL    background_daemon      = TRUE;
365
366 #if BASE_62 == 62
367 uschar *base62_chars=
368     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
369 #else
370 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
371 #endif
372
373 uschar *bi_command             = NULL;
374 uschar *big_buffer             = NULL;
375 int     big_buffer_size        = BIG_BUFFER_SIZE;
376 #ifdef EXPERIMENTAL_BRIGHTMAIL
377 uschar *bmi_alt_location       = NULL;
378 uschar *bmi_base64_tracker_verdict = NULL;
379 uschar *bmi_base64_verdict     = NULL;
380 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
381 int     bmi_deliver            = 1;
382 int     bmi_run                = 0;
383 uschar *bmi_verdicts           = NULL;
384 #endif
385 int     body_linecount         = 0;
386 int     body_zerocount         = 0;
387 uschar *bounce_message_file    = NULL;
388 uschar *bounce_message_text    = NULL;
389 uschar *bounce_recipient       = NULL;
390 BOOL    bounce_return_body     = TRUE;
391 BOOL    bounce_return_message  = TRUE;
392 int     bounce_return_size_limit = 100*1024;
393 uschar *bounce_sender_authentication = NULL;
394 int     bsmtp_transaction_linecount = 0;
395
396 int     callout_cache_domain_positive_expire = 7*24*60*60;
397 int     callout_cache_domain_negative_expire = 3*60*60;
398 int     callout_cache_positive_expire = 24*60*60;
399 int     callout_cache_negative_expire = 2*60*60;
400 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
401 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
402 int     check_log_inodes       = 0;
403 int     check_log_space        = 0;
404 BOOL    check_rfc2047_length   = TRUE;
405 int     check_spool_inodes     = 0;
406 int     check_spool_space      = 0;
407 int     clmacro_count          = 0;
408 uschar *clmacros[MAX_CLMACROS];
409 BOOL    config_changed         = FALSE;
410 FILE   *config_file            = NULL;
411 uschar *config_filename        = NULL;
412 int     config_lineno          = 0;
413 #ifdef CONFIGURE_GROUP
414 gid_t   config_gid             = CONFIGURE_GROUP;
415 #endif
416 uschar *config_main_filelist   = US CONFIGURE_FILE
417                          "\0<-----------Space to patch configure_filename->";
418 uschar *config_main_filename   = NULL;
419
420 #ifdef CONFIGURE_OWNER
421 uid_t   config_uid             = CONFIGURE_OWNER;
422 #endif
423
424 int     connection_max_messages= -1;
425 uschar *continue_hostname      = NULL;
426 uschar *continue_host_address  = NULL;
427 BOOL    continue_more          = FALSE;
428 int     continue_sequence      = 1;
429 uschar *continue_transport     = NULL;
430
431 uschar *csa_status             = NULL;
432
433 BOOL    daemon_listen          = FALSE;
434 uschar *daemon_smtp_port       = US"smtp";
435 int     daemon_startup_retries = 9;
436 int     daemon_startup_sleep   = 30;
437
438 #ifdef EXPERIMENTAL_DBL
439 int     dbl_defer_errno        = 0;
440 uschar *dbl_defer_errstr       = NULL;
441 uschar *dbl_delivery_query     = NULL;
442 uschar *dbl_delivery_ip        = NULL;
443 int     dbl_delivery_port      = 0;
444 uschar *dbl_delivery_fqdn      = NULL;
445 uschar *dbl_delivery_local_part= NULL;
446 uschar *dbl_delivery_domain    = NULL;
447 uschar *dbl_delivery_confirmation = NULL;
448 #endif
449
450 #ifdef EXPERIMENTAL_DCC
451 BOOL    dcc_direct_add_header  = FALSE;
452 uschar *dcc_header             = NULL;
453 uschar *dcc_result             = NULL;
454 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
455 uschar *dccifd_options         = US"header";
456 #endif
457
458 BOOL    debug_daemon           = FALSE;
459 int     debug_fd               = -1;
460 FILE   *debug_file             = NULL;
461 bit_table debug_options[]      = {
462   { US"acl",            D_acl },
463   { US"all",            D_all },
464   { US"auth",           D_auth },
465   { US"deliver",        D_deliver },
466   { US"dns",            D_dns },
467   { US"dnsbl",          D_dnsbl },
468   { US"exec",           D_exec },
469   { US"expand",         D_expand },
470   { US"filter",         D_filter },
471   { US"hints_lookup",   D_hints_lookup },
472   { US"host_lookup",    D_host_lookup },
473   { US"ident",          D_ident },
474   { US"interface",      D_interface },
475   { US"lists",          D_lists },
476   { US"load",           D_load },
477   { US"local_scan",     D_local_scan },
478   { US"lookup",         D_lookup },
479   { US"memory",         D_memory },
480   { US"pid",            D_pid },
481   { US"process_info",   D_process_info },
482   { US"queue_run",      D_queue_run },
483   { US"receive",        D_receive },
484   { US"resolver",       D_resolver },
485   { US"retry",          D_retry },
486   { US"rewrite",        D_rewrite },
487   { US"route",          D_route },
488   { US"timestamp",      D_timestamp },
489   { US"tls",            D_tls },
490   { US"transport",      D_transport },
491   { US"uid",            D_uid },
492   { US"verify",         D_verify }
493 };
494 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
495 unsigned int debug_selector    = 0;
496 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
497 uschar *delay_warning_condition=
498   US"${if or {"
499             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
500             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
501             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
502             "} {no}{yes}}";
503 BOOL    delivery_date_remove   = TRUE;
504 uschar *deliver_address_data   = NULL;
505 int     deliver_datafile       = -1;
506 uschar *deliver_domain         = NULL;
507 uschar *deliver_domain_data    = NULL;
508 uschar *deliver_domain_orig    = NULL;
509 uschar *deliver_domain_parent  = NULL;
510 BOOL    deliver_drop_privilege = FALSE;
511 BOOL    deliver_firsttime      = FALSE;
512 BOOL    deliver_force          = FALSE;
513 BOOL    deliver_freeze         = FALSE;
514 int     deliver_frozen_at      = 0;
515 uschar *deliver_home           = NULL;
516 uschar *deliver_host           = NULL;
517 uschar *deliver_host_address   = NULL;
518 uschar *deliver_in_buffer      = NULL;
519 ino_t   deliver_inode          = 0;
520 uschar *deliver_localpart      = NULL;
521 uschar *deliver_localpart_data = NULL;
522 uschar *deliver_localpart_orig = NULL;
523 uschar *deliver_localpart_parent = NULL;
524 uschar *deliver_localpart_prefix = NULL;
525 uschar *deliver_localpart_suffix = NULL;
526 BOOL    deliver_force_thaw     = FALSE;
527 BOOL    deliver_manual_thaw    = FALSE;
528 uschar *deliver_out_buffer     = NULL;
529 int     deliver_queue_load_max = -1;
530 address_item  *deliver_recipients = NULL;
531 uschar *deliver_selectstring   = NULL;
532 BOOL    deliver_selectstring_regex = FALSE;
533 uschar *deliver_selectstring_sender = NULL;
534 BOOL    deliver_selectstring_sender_regex = FALSE;
535 #ifdef WITH_OLD_DEMIME
536 int     demime_errorlevel      = 0;
537 int     demime_ok              = 0;
538 uschar *demime_reason          = NULL;
539 #endif
540 BOOL    disable_callout_flush  = FALSE;
541 BOOL    disable_delay_flush    = FALSE;
542 #ifdef ENABLE_DISABLE_FSYNC
543 BOOL    disable_fsync          = FALSE;
544 #endif
545 BOOL    disable_ipv6           = FALSE;
546 BOOL    disable_logging        = FALSE;
547
548 #ifndef DISABLE_DKIM
549 uschar *dkim_cur_signer          = NULL;
550 uschar *dkim_signers             = NULL;
551 uschar *dkim_signing_domain      = NULL;
552 uschar *dkim_signing_selector    = NULL;
553 uschar *dkim_verify_signers      = US"$dkim_signers";
554 BOOL    dkim_collect_input       = FALSE;
555 BOOL    dkim_disable_verify      = FALSE;
556 #endif
557
558 uschar *dns_again_means_nonexist = NULL;
559 int     dns_csa_search_limit   = 5;
560 BOOL    dns_csa_use_reverse    = TRUE;
561 uschar *dns_ipv4_lookup        = NULL;
562 int     dns_retrans            = 0;
563 int     dns_retry              = 0;
564 int     dns_use_edns0          = -1; /* <0 = not coerced */
565 uschar *dnslist_domain         = NULL;
566 uschar *dnslist_matched        = NULL;
567 uschar *dnslist_text           = NULL;
568 uschar *dnslist_value          = NULL;
569 tree_node *domainlist_anchor   = NULL;
570 int     domainlist_count       = 0;
571 BOOL    dont_deliver           = FALSE;
572 BOOL    dot_ends               = TRUE;
573 BOOL    drop_cr                = FALSE;         /* No longer used */
574 uschar *dsn_from               = US DEFAULT_DSN_FROM;
575
576 BOOL    enable_dollar_recipients = FALSE;
577 BOOL    envelope_to_remove     = TRUE;
578 int     errno_quota            = ERRNO_QUOTA;
579 uschar *errors_copy            = NULL;
580 int     error_handling         = ERRORS_SENDER;
581 uschar *errors_reply_to        = NULL;
582 int     errors_sender_rc       = EXIT_FAILURE;
583
584 gid_t   exim_gid               = EXIM_GID;
585 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
586 uschar *exim_path              = US BIN_DIRECTORY "/exim"
587                         "\0<---------------Space to patch exim_path->";
588 uid_t   exim_uid               = EXIM_UID;
589 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
590 int     expand_forbid          = 0;
591 int     expand_nlength[EXPAND_MAXN+1];
592 int     expand_nmax            = -1;
593 uschar *expand_nstring[EXPAND_MAXN+1];
594 BOOL    expand_string_forcedfail = FALSE;
595 uschar *expand_string_message;
596 BOOL    extract_addresses_remove_arguments = TRUE;
597 uschar *extra_local_interfaces = NULL;
598
599 int     fake_response          = OK;
600 uschar *fake_response_text     = US"Your message has been rejected but is "
601                                    "being kept for evaluation.\nIf it was a "
602                                    "legitimate message, it may still be "
603                                    "delivered to the target recipient(s).";
604 int     filter_n[FILTER_VARIABLE_COUNT];
605 BOOL    filter_running         = FALSE;
606 int     filter_sn[FILTER_VARIABLE_COUNT];
607 int     filter_test            = FTEST_NONE;
608 uschar *filter_test_sfile      = NULL;
609 uschar *filter_test_ufile      = NULL;
610 uschar *filter_thisaddress     = NULL;
611 int     finduser_retries       = 0;
612 #ifdef WITH_OLD_DEMIME
613 uschar *found_extension        = NULL;
614 #endif
615 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
616 uschar *freeze_tell            = NULL;
617 uschar *freeze_tell_config     = NULL;
618 uschar *fudged_queue_times     = US"";
619
620 uschar *gecos_name             = NULL;
621 uschar *gecos_pattern          = NULL;
622 rewrite_rule  *global_rewrite_rules = NULL;
623
624 uschar *headers_charset        = US HEADERS_CHARSET;
625 int     header_insert_maxlen   = 64 * 1024;
626 header_line  *header_last      = NULL;
627 header_line  *header_list      = NULL;
628 int     header_maxsize         = HEADER_MAXSIZE;
629 int     header_line_maxsize    = 0;
630
631 header_name header_names[] = {
632   { US"bcc",            3, TRUE,  htype_bcc },
633   { US"cc",             2, TRUE,  htype_cc },
634   { US"date",           4, TRUE,  htype_date },
635   { US"delivery-date", 13, FALSE, htype_delivery_date },
636   { US"envelope-to",   11, FALSE, htype_envelope_to },
637   { US"from",           4, TRUE,  htype_from },
638   { US"message-id",    10, TRUE,  htype_id },
639   { US"received",       8, FALSE, htype_received },
640   { US"reply-to",       8, FALSE, htype_reply_to },
641   { US"return-path",   11, FALSE, htype_return_path },
642   { US"sender",         6, TRUE,  htype_sender },
643   { US"subject",        7, FALSE, htype_subject },
644   { US"to",             2, TRUE,  htype_to }
645 };
646
647 int header_names_size          = sizeof(header_names)/sizeof(header_name);
648
649 BOOL    header_rewritten       = FALSE;
650 uschar *helo_accept_junk_hosts = NULL;
651 uschar *helo_allow_chars       = US"";
652 uschar *helo_lookup_domains    = US"@ : @[]";
653 uschar *helo_try_verify_hosts  = NULL;
654 BOOL    helo_verified          = FALSE;
655 BOOL    helo_verify_failed     = FALSE;
656 uschar *helo_verify_hosts      = NULL;
657 const uschar *hex_digits       = CUS"0123456789abcdef";
658 uschar *hold_domains           = NULL;
659 BOOL    host_checking          = FALSE;
660 BOOL    host_checking_callout  = FALSE;
661 uschar *host_data              = NULL;
662 BOOL    host_find_failed_syntax= FALSE;
663 uschar *host_lookup            = NULL;
664 BOOL    host_lookup_deferred   = FALSE;
665 BOOL    host_lookup_failed     = FALSE;
666 uschar *host_lookup_order      = US"bydns:byaddr";
667 uschar *host_lookup_msg        = US"";
668 int     host_number            = 0;
669 uschar *host_number_string     = NULL;
670 uschar *host_reject_connection = NULL;
671 tree_node *hostlist_anchor     = NULL;
672 int     hostlist_count         = 0;
673 uschar *hosts_treat_as_local   = NULL;
674 uschar *hosts_connection_nolog = NULL;
675
676 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
677 BOOL    ignore_fromline_local  = FALSE;
678 uschar *ignore_fromline_hosts  = NULL;
679 BOOL    inetd_wait_mode        = FALSE;
680 int     inetd_wait_timeout     = -1;
681 uschar *interface_address      = NULL;
682 int     interface_port         = -1;
683 BOOL    is_inetd               = FALSE;
684 uschar *iterate_item           = NULL;
685
686 int     journal_fd             = -1;
687
688 int     keep_malformed         = 4*24*60*60;    /* 4 days */
689
690 uschar *eldap_dn               = NULL;
691 int     load_average           = -2;
692 BOOL    local_error_message    = FALSE;
693 BOOL    local_from_check       = TRUE;
694 uschar *local_from_prefix      = NULL;
695 uschar *local_from_suffix      = NULL;
696
697 #if HAVE_IPV6
698 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
699 #else
700 uschar *local_interfaces       = US"0.0.0.0";
701 #endif
702
703 uschar *local_scan_data        = NULL;
704 int     local_scan_timeout     = 5*60;
705 BOOL    local_sender_retain    = FALSE;
706 gid_t   local_user_gid         = (gid_t)(-1);
707 uid_t   local_user_uid         = (uid_t)(-1);
708
709 tree_node *localpartlist_anchor= NULL;
710 int     localpartlist_count    = 0;
711 uschar *log_buffer             = NULL;
712 unsigned int log_extra_selector = LX_default;
713 uschar *log_file_path          = US LOG_FILE_PATH
714                            "\0<--------------Space to patch log_file_path->";
715
716 /* Those log options with L_xxx identifiers have values less than 0x800000 and
717 are the ones that get put into log_write_selector. They can be used in calls to
718 log_write() to test for the bit. The options with LX_xxx identifiers have
719 values greater than 0x80000000 and are put into log_extra_selector (without the
720 top bit). They are never used in calls to log_write(), but are tested
721 independently. This separation became necessary when the number of log
722 selectors was getting close to filling a 32-bit word. */
723
724 /* Note that this list must be in alphabetical order. */
725
726 bit_table log_options[]        = {
727   { US"acl_warn_skipped",             LX_acl_warn_skipped },
728   { US"address_rewrite",              L_address_rewrite },
729   { US"all",                          L_all },
730   { US"all_parents",                  L_all_parents },
731   { US"arguments",                    LX_arguments },
732   { US"connection_reject",            L_connection_reject },
733   { US"delay_delivery",               L_delay_delivery },
734   { US"deliver_time",                 LX_deliver_time },
735   { US"delivery_size",                LX_delivery_size },
736   { US"dnslist_defer",                L_dnslist_defer },
737   { US"etrn",                         L_etrn },
738   { US"host_lookup_failed",           L_host_lookup_failed },
739   { US"ident_timeout",                LX_ident_timeout },
740   { US"incoming_interface",           LX_incoming_interface },
741   { US"incoming_port",                LX_incoming_port },
742   { US"lost_incoming_connection",     L_lost_incoming_connection },
743   { US"outgoing_port",                LX_outgoing_port },
744   { US"pid",                          LX_pid },
745   { US"queue_run",                    L_queue_run },
746   { US"queue_time",                   LX_queue_time },
747   { US"queue_time_overall",           LX_queue_time_overall },
748   { US"received_recipients",          LX_received_recipients },
749   { US"received_sender",              LX_received_sender },
750   { US"rejected_header",              LX_rejected_header },
751   { US"rejected_headers",             LX_rejected_header },
752   { US"retry_defer",                  L_retry_defer },
753   { US"return_path_on_delivery",      LX_return_path_on_delivery },
754   { US"sender_on_delivery",           LX_sender_on_delivery },
755   { US"sender_verify_fail",           LX_sender_verify_fail },
756   { US"size_reject",                  L_size_reject },
757   { US"skip_delivery",                L_skip_delivery },
758   { US"smtp_confirmation",            LX_smtp_confirmation },
759   { US"smtp_connection",              L_smtp_connection },
760   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
761   { US"smtp_no_mail",                 LX_smtp_no_mail },
762   { US"smtp_protocol_error",          L_smtp_protocol_error },
763   { US"smtp_syntax_error",            L_smtp_syntax_error },
764   { US"subject",                      LX_subject },
765   { US"tls_certificate_verified",     LX_tls_certificate_verified },
766   { US"tls_cipher",                   LX_tls_cipher },
767   { US"tls_peerdn",                   LX_tls_peerdn },
768   { US"tls_sni",                      LX_tls_sni },
769   { US"unknown_in_list",              LX_unknown_in_list }
770 };
771
772 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
773 int     log_reject_target      = 0;
774 uschar *log_selector_string    = NULL;
775 FILE   *log_stderr             = NULL;
776 BOOL    log_testing_mode       = FALSE;
777 BOOL    log_timezone           = FALSE;
778 unsigned int log_write_selector= L_default;
779 uschar *login_sender_address   = NULL;
780 int     lookup_open_max        = 25;
781 uschar *lookup_value           = NULL;
782
783 macro_item  *macros            = NULL;
784 uschar *mailstore_basename     = NULL;
785 #ifdef WITH_CONTENT_SCAN
786 uschar *malware_name           = NULL;  /* Virus Name */
787 #endif
788 int     max_received_linelength= 0;
789 int     max_username_length    = 0;
790 int     message_age            = 0;
791 uschar *message_body           = NULL;
792 uschar *message_body_end       = NULL;
793 BOOL    message_body_newlines  = FALSE;
794 int     message_body_size      = 0;
795 int     message_body_visible   = 500;
796 int     message_ended          = END_NOTSTARTED;
797 uschar *message_headers        = NULL;
798 uschar *message_id;
799 uschar *message_id_domain      = NULL;
800 uschar *message_id_text        = NULL;
801 struct timeval message_id_tv   = { 0, 0 };
802 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
803 uschar *message_id_external;
804 int     message_linecount      = 0;
805 BOOL    message_logs           = TRUE;
806 int     message_size           = 0;
807 uschar *message_size_limit     = US"50M";
808 uschar  message_subdir[2]      = { 0, 0 };
809 uschar *message_reference      = NULL;
810
811 /* MIME ACL expandables */
812 #ifdef WITH_CONTENT_SCAN
813 int     mime_anomaly_level     = 0;
814 const uschar *mime_anomaly_text      = NULL;
815 uschar *mime_boundary          = NULL;
816 uschar *mime_charset           = NULL;
817 uschar *mime_content_description = NULL;
818 uschar *mime_content_disposition = NULL;
819 uschar *mime_content_id        = NULL;
820 unsigned int mime_content_size = 0;
821 uschar *mime_content_transfer_encoding = NULL;
822 uschar *mime_content_type      = NULL;
823 uschar *mime_decoded_filename  = NULL;
824 uschar *mime_filename          = NULL;
825 int     mime_is_multipart      = 0;
826 int     mime_is_coverletter    = 0;
827 int     mime_is_rfc822         = 0;
828 int     mime_part_count        = -1;
829 #endif
830
831 BOOL    mua_wrapper            = FALSE;
832
833 uid_t  *never_users            = NULL;
834 #ifdef WITH_CONTENT_SCAN
835 BOOL    no_mbox_unspool        = FALSE;
836 #endif
837 BOOL    no_multiline_responses = FALSE;
838
839 uid_t   original_euid;
840 gid_t   originator_gid;
841 uschar *originator_login       = NULL;
842 uschar *originator_name        = NULL;
843 uid_t   originator_uid;
844 uschar *override_local_interfaces = NULL;
845 uschar *override_pid_file_path = NULL;
846
847 BOOL    parse_allow_group      = FALSE;
848 BOOL    parse_found_group      = FALSE;
849 uschar *percent_hack_domains   = NULL;
850 uschar *pid_file_path          = US PID_FILE_PATH
851                            "\0<--------------Space to patch pid_file_path->";
852 BOOL    pipelining_enable      = TRUE;
853 uschar *pipelining_advertise_hosts = US"*";
854 BOOL    preserve_message_logs  = FALSE;
855 uschar *primary_hostname       = NULL;
856 BOOL    print_topbitchars      = FALSE;
857 uschar  process_info[PROCESS_INFO_SIZE];
858 int     process_info_len       = 0;
859 uschar *process_log_path       = NULL;
860 BOOL    prod_requires_admin    = TRUE;
861 uschar *prvscheck_address      = NULL;
862 uschar *prvscheck_keynum       = NULL;
863 uschar *prvscheck_result       = NULL;
864
865
866 uschar *qualify_domain_recipient = NULL;
867 uschar *qualify_domain_sender  = NULL;
868 BOOL    queue_2stage           = FALSE;
869 uschar *queue_domains          = NULL;
870 int     queue_interval         = -1;
871 BOOL    queue_list_requires_admin = TRUE;
872 BOOL    queue_only             = FALSE;
873 uschar *queue_only_file        = NULL;
874 int     queue_only_load        = -1;
875 BOOL    queue_only_load_latch  = TRUE;
876 BOOL    queue_only_override    = TRUE;
877 BOOL    queue_only_policy      = FALSE;
878 BOOL    queue_run_first_delivery = FALSE;
879 BOOL    queue_run_force        = FALSE;
880 BOOL    queue_run_in_order     = FALSE;
881 BOOL    queue_run_local        = FALSE;
882 int     queue_run_max          = 5;
883 pid_t   queue_run_pid          = (pid_t)0;
884 int     queue_run_pipe         = -1;
885 BOOL    queue_running          = FALSE;
886 BOOL    queue_smtp             = FALSE;
887 uschar *queue_smtp_domains     = NULL;
888
889 unsigned int random_seed       = 0;
890 tree_node *ratelimiters_cmd    = NULL;
891 tree_node *ratelimiters_conn   = NULL;
892 tree_node *ratelimiters_mail   = NULL;
893 uschar *raw_active_hostname    = NULL;
894 uschar *raw_sender             = NULL;
895 uschar **raw_recipients        = NULL;
896 int     raw_recipients_count   = 0;
897
898 int     rcpt_count             = 0;
899 int     rcpt_fail_count        = 0;
900 int     rcpt_defer_count       = 0;
901 gid_t   real_gid;
902 uid_t   real_uid;
903 BOOL    really_exim            = TRUE;
904 BOOL    receive_call_bombout   = FALSE;
905 int     receive_linecount      = 0;
906 int     receive_messagecount   = 0;
907 int     receive_timeout        = 0;
908 int     received_count         = 0;
909 uschar *received_for           = NULL;
910
911 /*  This is the default text for Received headers generated by Exim. The
912 date  will be automatically added on the end. */
913
914 uschar *received_header_text   = US
915      "Received: "
916      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
917      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
918      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
919      "by $primary_hostname "
920      "${if def:received_protocol {with $received_protocol}} "
921      #ifdef SUPPORT_TLS
922      "${if def:tls_cipher {($tls_cipher)\n\t}}"
923      #endif
924      "(Exim $version_number)\n\t"
925      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
926      "id $message_exim_id"
927      "${if def:received_for {\n\tfor $received_for}}"
928      "\0<---------------Space to patch received_header_text->";
929
930 int     received_headers_max   = 30;
931 uschar *received_protocol      = NULL;
932 int     received_time          = 0;
933 uschar *recipient_data         = NULL;
934 uschar *recipient_unqualified_hosts = NULL;
935 uschar *recipient_verify_failure = NULL;
936 int     recipients_count       = 0;
937 BOOL    recipients_discarded   = FALSE;
938 recipient_item  *recipients_list = NULL;
939 int     recipients_list_max    = 0;
940 int     recipients_max         = 0;
941 BOOL    recipients_max_reject  = FALSE;
942 const pcre *regex_AUTH         = NULL;
943 const pcre *regex_check_dns_names = NULL;
944 const pcre *regex_From         = NULL;
945 const pcre *regex_IGNOREQUOTA  = NULL;
946 const pcre *regex_PIPELINING   = NULL;
947 const pcre *regex_SIZE         = NULL;
948 const pcre *regex_smtp_code    = NULL;
949 const pcre *regex_ismsgid      = NULL;
950 #ifdef WHITELIST_D_MACROS
951 const pcre *regex_whitelisted_macro = NULL;
952 #endif
953 #ifdef WITH_CONTENT_SCAN
954 uschar *regex_match_string     = NULL;
955 #endif
956 int     remote_delivery_count  = 0;
957 int     remote_max_parallel    = 2;
958 uschar *remote_sort_domains    = NULL;
959 int     retry_data_expire      = 7*24*60*60;
960 int     retry_interval_max     = 24*60*60;
961 int     retry_maximum_timeout  = 0;        /* set from retry config */
962 retry_config  *retries         = NULL;
963 uschar *return_path            = NULL;
964 BOOL    return_path_remove     = TRUE;
965 int     rewrite_existflags     = 0;
966 uschar *rfc1413_hosts          = US"*";
967 int     rfc1413_query_timeout  = 5;
968 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
969 uid_t   root_gid               = ROOT_GID;
970 uid_t   root_uid               = ROOT_UID;
971
972 router_instance  *routers  = NULL;
973 router_instance  router_defaults = {
974     NULL,                      /* chain pointer */
975     NULL,                      /* name */
976     NULL,                      /* info */
977     NULL,                      /* private options block pointer */
978     NULL,                      /* driver name */
979
980     NULL,                      /* address_data */
981 #ifdef EXPERIMENTAL_BRIGHTMAIL
982     NULL,                      /* bmi_rule */
983 #endif
984     NULL,                      /* cannot_route_message */
985     NULL,                      /* condition */
986     NULL,                      /* current_directory */
987     NULL,                      /* debug_string */
988     NULL,                      /* domains */
989     NULL,                      /* errors_to */
990     NULL,                      /* expand_gid */
991     NULL,                      /* expand_uid */
992     NULL,                      /* expand_more */
993     NULL,                      /* expand_unseen */
994     NULL,                      /* extra_headers */
995     NULL,                      /* fallback_hosts */
996     NULL,                      /* home_directory */
997     NULL,                      /* ignore_target_hosts */
998     NULL,                      /* local_parts */
999     NULL,                      /* pass_router_name */
1000     NULL,                      /* prefix */
1001     NULL,                      /* redirect_router_name */
1002     NULL,                      /* remove_headers */
1003     NULL,                      /* require_files */
1004     NULL,                      /* router_home_directory */
1005     US"freeze",                /* self */
1006     NULL,                      /* senders */
1007     NULL,                      /* suffix */
1008     NULL,                      /* translate_ip_address */
1009     NULL,                      /* transport_name */
1010
1011     TRUE,                      /* address_test */
1012 #ifdef EXPERIMENTAL_BRIGHTMAIL
1013     FALSE,                     /* bmi_deliver_alternate */
1014     FALSE,                     /* bmi_deliver_default */
1015     FALSE,                     /* bmi_dont_deliver */
1016 #endif
1017     TRUE,                      /* expn */
1018     FALSE,                     /* caseful_local_part */
1019     FALSE,                     /* check_local_user */
1020     FALSE,                     /* disable_logging */
1021     FALSE,                     /* fail_verify_recipient */
1022     FALSE,                     /* fail_verify_sender */
1023     FALSE,                     /* gid_set */
1024     FALSE,                     /* initgroups */
1025     TRUE_UNSET,                /* log_as_local */
1026     TRUE,                      /* more */
1027     FALSE,                     /* pass_on_timeout */
1028     FALSE,                     /* prefix_optional */
1029     TRUE,                      /* repeat_use */
1030     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1031     FALSE,                     /* same_domain_copy_routing */
1032     FALSE,                     /* self_rewrite */
1033     FALSE,                     /* suffix_optional */
1034     FALSE,                     /* verify_only */
1035     TRUE,                      /* verify_recipient */
1036     TRUE,                      /* verify_sender */
1037     FALSE,                     /* uid_set */
1038     FALSE,                     /* unseen */
1039
1040     self_freeze,               /* self_code */
1041     (uid_t)(-1),               /* uid */
1042     (gid_t)(-1),               /* gid */
1043
1044     NULL,                      /* fallback_hostlist */
1045     NULL,                      /* transport instance */
1046     NULL,                      /* pass_router */
1047     NULL                       /* redirect_router */
1048 };
1049
1050 ip_address_item *running_interfaces = NULL;
1051 BOOL    running_in_test_harness = FALSE;
1052
1053 /* This is a weird one. The following string gets patched in the binary by the
1054 script that sets up a copy of Exim for running in the test harness. It seems
1055 that compilers are now clever, and share constant strings if they can.
1056 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1057 make use of the end of this string in order to save space. So the patching then
1058 wrecks this. We defeat this optimization by adding some additional characters
1059 onto the end of the string. */
1060
1061 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1062
1063 int     runrc                  = 0;
1064
1065 uschar *search_error_message   = NULL;
1066 BOOL    search_find_defer      = FALSE;
1067 uschar *self_hostname          = NULL;
1068 uschar *sender_address         = NULL;
1069 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1070 uschar *sender_address_data    = NULL;
1071 BOOL    sender_address_forced  = FALSE;
1072 uschar *sender_address_unrewritten = NULL;
1073 uschar *sender_data            = NULL;
1074 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1075 uschar *sender_fullhost        = NULL;
1076 uschar *sender_helo_name       = NULL;
1077 uschar **sender_host_aliases   = &no_aliases;
1078 uschar *sender_host_address    = NULL;
1079 uschar *sender_host_authenticated = NULL;
1080 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1081 uschar *sender_host_name       = NULL;
1082 int     sender_host_port       = 0;
1083 BOOL    sender_host_notsocket  = FALSE;
1084 BOOL    sender_host_unknown    = FALSE;
1085 uschar *sender_ident           = NULL;
1086 BOOL    sender_local           = FALSE;
1087 BOOL    sender_name_forced     = FALSE;
1088 uschar *sender_rate            = NULL;
1089 uschar *sender_rate_limit      = NULL;
1090 uschar *sender_rate_period     = NULL;
1091 uschar *sender_rcvhost         = NULL;
1092 BOOL    sender_set_untrusted   = FALSE;
1093 uschar *sender_unqualified_hosts = NULL;
1094 uschar *sender_verify_failure = NULL;
1095 address_item *sender_verified_list  = NULL;
1096 address_item *sender_verified_failed = NULL;
1097 int     sender_verified_rc     = -1;
1098 BOOL    sender_verified_responded = FALSE;
1099 uschar *sending_ip_address     = NULL;
1100 int     sending_port           = -1;
1101 SIGNAL_BOOL sigalrm_seen       = FALSE;
1102 uschar **sighup_argv           = NULL;
1103 int     smtp_accept_count      = 0;
1104 BOOL    smtp_accept_keepalive  = TRUE;
1105 int     smtp_accept_max        = 20;
1106 int     smtp_accept_max_nonmail= 10;
1107 uschar *smtp_accept_max_nonmail_hosts = US"*";
1108 int     smtp_accept_max_per_connection = 1000;
1109 uschar *smtp_accept_max_per_host = NULL;
1110 int     smtp_accept_queue      = 0;
1111 int     smtp_accept_queue_per_connection = 10;
1112 int     smtp_accept_reserve    = 0;
1113 uschar *smtp_active_hostname   = NULL;
1114 BOOL    smtp_authenticated     = FALSE;
1115 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1116                              "Exim $version_number $tod_full"
1117                              "\0<---------------Space to patch smtp_banner->";
1118 BOOL    smtp_batched_input     = FALSE;
1119 BOOL    smtp_check_spool_space = TRUE;
1120 int     smtp_ch_index          = 0;
1121 uschar *smtp_cmd_argument      = NULL;
1122 uschar *smtp_cmd_buffer        = NULL;
1123 time_t  smtp_connection_start  = 0;
1124 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1125 int     smtp_connect_backlog   = 20;
1126 double  smtp_delay_mail        = 0.0;
1127 double  smtp_delay_rcpt        = 0.0;
1128 BOOL    smtp_enforce_sync      = TRUE;
1129 FILE   *smtp_in                = NULL;
1130 BOOL    smtp_input             = FALSE;
1131 int     smtp_load_reserve      = -1;
1132 int     smtp_mailcmd_count     = 0;
1133 FILE   *smtp_out               = NULL;
1134 uschar *smtp_etrn_command      = NULL;
1135 BOOL    smtp_etrn_serialize    = TRUE;
1136 int     smtp_max_synprot_errors= 3;
1137 int     smtp_max_unknown_commands = 3;
1138 uschar *smtp_notquit_reason    = NULL;
1139 uschar *smtp_ratelimit_hosts   = NULL;
1140 uschar *smtp_ratelimit_mail    = NULL;
1141 uschar *smtp_ratelimit_rcpt    = NULL;
1142 uschar *smtp_read_error        = US"";
1143 int     smtp_receive_timeout   = 5*60;
1144 uschar *smtp_reserve_hosts     = NULL;
1145 BOOL    smtp_return_error_details = FALSE;
1146 int     smtp_rlm_base          = 0;
1147 double  smtp_rlm_factor        = 0.0;
1148 int     smtp_rlm_limit         = 0;
1149 int     smtp_rlm_threshold     = INT_MAX;
1150 int     smtp_rlr_base          = 0;
1151 double  smtp_rlr_factor        = 0.0;
1152 int     smtp_rlr_limit         = 0;
1153 int     smtp_rlr_threshold     = INT_MAX;
1154 BOOL    smtp_use_pipelining    = FALSE;
1155 BOOL    smtp_use_size          = FALSE;
1156
1157 #ifdef WITH_CONTENT_SCAN
1158 uschar *spamd_address          = US"127.0.0.1 783";
1159 uschar *spam_bar               = NULL;
1160 uschar *spam_report            = NULL;
1161 uschar *spam_score             = NULL;
1162 uschar *spam_score_int         = NULL;
1163 #endif
1164 #ifdef EXPERIMENTAL_SPF
1165 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1166 uschar *spf_header_comment     = NULL;
1167 uschar *spf_received           = NULL;
1168 uschar *spf_result             = NULL;
1169 uschar *spf_smtp_comment       = NULL;
1170 #endif
1171
1172 BOOL    split_spool_directory  = FALSE;
1173 uschar *spool_directory        = US SPOOL_DIRECTORY
1174                            "\0<--------------Space to patch spool_directory->";
1175 #ifdef EXPERIMENTAL_SRS
1176 uschar *srs_config             = NULL;
1177 uschar *srs_db_address         = NULL;
1178 uschar *srs_db_key             = NULL;
1179 int     srs_hashlength         = 6;
1180 int     srs_hashmin            = -1;
1181 int     srs_maxage             = 31;
1182 uschar *srs_orig_recipient     = NULL;
1183 uschar *srs_orig_sender        = NULL;
1184 uschar *srs_recipient          = NULL;
1185 uschar *srs_secrets            = NULL;
1186 uschar *srs_status             = NULL;
1187 BOOL    srs_usehash            = TRUE;
1188 BOOL    srs_usetimestamp       = TRUE;
1189 #endif
1190 BOOL    strict_acl_vars        = FALSE;
1191 int     string_datestamp_offset= -1;
1192 int     string_datestamp_length= 0;
1193 int     string_datestamp_type  = -1;
1194 BOOL    strip_excess_angle_brackets = FALSE;
1195 BOOL    strip_trailing_dot     = FALSE;
1196 uschar *submission_domain      = NULL;
1197 BOOL    submission_mode        = FALSE;
1198 uschar *submission_name        = NULL;
1199 BOOL    suppress_local_fixups  = FALSE;
1200 BOOL    synchronous_delivery   = FALSE;
1201 BOOL    syslog_duplication     = TRUE;
1202 int     syslog_facility        = LOG_MAIL;
1203 uschar *syslog_processname     = US"exim";
1204 BOOL    syslog_timestamp       = TRUE;
1205 uschar *system_filter          = NULL;
1206
1207 uschar *system_filter_directory_transport = NULL;
1208 uschar *system_filter_file_transport = NULL;
1209 uschar *system_filter_pipe_transport = NULL;
1210 uschar *system_filter_reply_transport = NULL;
1211
1212 gid_t   system_filter_gid      = 0;
1213 BOOL    system_filter_gid_set  = FALSE;
1214 uid_t   system_filter_uid      = (uid_t)-1;
1215 BOOL    system_filter_uid_set  = FALSE;
1216 BOOL    system_filtering       = FALSE;
1217
1218 BOOL    tcp_nodelay            = TRUE;
1219 #ifdef USE_TCP_WRAPPERS
1220 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1221 #endif
1222 int     test_harness_load_avg  = 0;
1223 int     thismessage_size_limit = 0;
1224 int     timeout_frozen_after   = 0;
1225 BOOL    timestamps_utc         = FALSE;
1226
1227 transport_instance  *transports = NULL;
1228
1229 transport_instance  transport_defaults = {
1230     NULL,                     /* chain pointer */
1231     NULL,                     /* name */
1232     NULL,                     /* info */
1233     NULL,                     /* private options block pointer */
1234     NULL,                     /* driver name */
1235     NULL,                     /* setup entry point */
1236     1,                        /* batch_max */
1237     NULL,                     /* batch_id */
1238     NULL,                     /* home_dir */
1239     NULL,                     /* current_dir */
1240     TRUE,                     /* multi-domain */
1241     FALSE,                    /* overrides_hosts */
1242     100,                      /* max_addresses */
1243     500,                      /* connection_max_messages */
1244     FALSE,                    /* deliver_as_creator */
1245     FALSE,                    /* disable_logging */
1246     FALSE,                    /* initgroups */
1247     FALSE,                    /* uid_set */
1248     FALSE,                    /* gid_set */
1249     (uid_t)(-1),              /* uid */
1250     (gid_t)(-1),              /* gid */
1251     NULL,                     /* expand_uid */
1252     NULL,                     /* expand_gid */
1253     NULL,                     /* warn_message */
1254     NULL,                     /* shadow */
1255     NULL,                     /* shadow_condition */
1256     NULL,                     /* filter_command */
1257     NULL,                     /* add_headers */
1258     NULL,                     /* remove_headers */
1259     NULL,                     /* return_path */
1260     NULL,                     /* debug_string */
1261     NULL,                     /* message_size_limit */
1262     NULL,                     /* headers_rewrite */
1263     NULL,                     /* rewrite_rules */
1264     0,                        /* rewrite_existflags */
1265     300,                      /* filter_timeout */
1266     FALSE,                    /* body_only */
1267     FALSE,                    /* delivery_date_add */
1268     FALSE,                    /* envelope_to_add */
1269     FALSE,                    /* headers_only */
1270     FALSE,                    /* rcpt_include_affixes */
1271     FALSE,                    /* return_path_add */
1272     FALSE,                    /* return_output */
1273     FALSE,                    /* return_fail_output */
1274     FALSE,                    /* log_output */
1275     FALSE,                    /* log_fail_output */
1276     FALSE,                    /* log_defer_output */
1277     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1278                                  1 nor 0 so can detect unset */
1279 };
1280
1281 int     transport_count;
1282 int     transport_newlines;
1283 uschar **transport_filter_argv  = NULL;
1284 int     transport_filter_timeout;
1285 BOOL    transport_filter_timed_out = FALSE;
1286 int     transport_write_timeout= 0;
1287
1288 tree_node  *tree_dns_fails     = NULL;
1289 tree_node  *tree_duplicates    = NULL;
1290 tree_node  *tree_nonrecipients = NULL;
1291 tree_node  *tree_unusable      = NULL;
1292
1293 BOOL    trusted_caller         = FALSE;
1294 BOOL    trusted_config         = TRUE;
1295 gid_t  *trusted_groups         = NULL;
1296 uid_t  *trusted_users          = NULL;
1297 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1298
1299 uschar *unknown_login          = NULL;
1300 uschar *unknown_username       = NULL;
1301 uschar *untrusted_set_sender   = NULL;
1302
1303 /*  A regex for matching a "From_" line in an incoming message, in the form
1304
1305     From ph10 Fri Jan  5 12:35 GMT 1996
1306
1307 which  the "mail" commands send to the MTA (undocumented, of course), or in
1308 the  form
1309
1310     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1311
1312 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1313 Because  of variations in time formats, just match up to the minutes. That
1314 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1315 so  just require one digit for hours and minutes. The weekday is also absent
1316 in  some forms. */
1317
1318 uschar *uucp_from_pattern      = US
1319    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1320    "(?:"                                          /* Non-extracting bracket */
1321    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1322    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1323    ")"                                            /* End alternation */
1324    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1325
1326 uschar *uucp_from_sender       = US"$1";
1327
1328 uschar *warn_message_file      = NULL;
1329 uschar *warnmsg_delay          = NULL;
1330 uschar *warnmsg_recipients     = NULL;
1331 BOOL    write_rejectlog        = TRUE;
1332
1333 uschar *version_copyright      =
1334  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1335    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1336 uschar *version_date           = US"?";
1337 uschar *version_cnumber        = US"????";
1338 uschar *version_string         = US"?";
1339
1340 int     warning_count          = 0;
1341
1342 /*  End of globals.c */