f29fb3c49cddd9eab46546c0a1ec292725c59fb4
[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_DCC
439 BOOL    dcc_direct_add_header  = FALSE;
440 uschar *dcc_header             = NULL;
441 uschar *dcc_result             = NULL;
442 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
443 uschar *dccifd_options         = US"header";
444 #endif
445
446 BOOL    debug_daemon           = FALSE;
447 int     debug_fd               = -1;
448 FILE   *debug_file             = NULL;
449 bit_table debug_options[]      = {
450   { US"acl",            D_acl },
451   { US"all",            D_all },
452   { US"auth",           D_auth },
453   { US"deliver",        D_deliver },
454   { US"dns",            D_dns },
455   { US"dnsbl",          D_dnsbl },
456   { US"exec",           D_exec },
457   { US"expand",         D_expand },
458   { US"filter",         D_filter },
459   { US"hints_lookup",   D_hints_lookup },
460   { US"host_lookup",    D_host_lookup },
461   { US"ident",          D_ident },
462   { US"interface",      D_interface },
463   { US"lists",          D_lists },
464   { US"load",           D_load },
465   { US"local_scan",     D_local_scan },
466   { US"lookup",         D_lookup },
467   { US"memory",         D_memory },
468   { US"pid",            D_pid },
469   { US"process_info",   D_process_info },
470   { US"queue_run",      D_queue_run },
471   { US"receive",        D_receive },
472   { US"resolver",       D_resolver },
473   { US"retry",          D_retry },
474   { US"rewrite",        D_rewrite },
475   { US"route",          D_route },
476   { US"timestamp",      D_timestamp },
477   { US"tls",            D_tls },
478   { US"transport",      D_transport },
479   { US"uid",            D_uid },
480   { US"verify",         D_verify }
481 };
482 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
483 unsigned int debug_selector    = 0;
484 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
485 uschar *delay_warning_condition=
486   US"${if or {"
487             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
488             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
489             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
490             "} {no}{yes}}";
491 BOOL    delivery_date_remove   = TRUE;
492 uschar *deliver_address_data   = NULL;
493 int     deliver_datafile       = -1;
494 uschar *deliver_domain         = NULL;
495 uschar *deliver_domain_data    = NULL;
496 uschar *deliver_domain_orig    = NULL;
497 uschar *deliver_domain_parent  = NULL;
498 BOOL    deliver_drop_privilege = FALSE;
499 BOOL    deliver_firsttime      = FALSE;
500 BOOL    deliver_force          = FALSE;
501 BOOL    deliver_freeze         = FALSE;
502 int     deliver_frozen_at      = 0;
503 uschar *deliver_home           = NULL;
504 uschar *deliver_host           = NULL;
505 uschar *deliver_host_address   = NULL;
506 uschar *deliver_in_buffer      = NULL;
507 ino_t   deliver_inode          = 0;
508 uschar *deliver_localpart      = NULL;
509 uschar *deliver_localpart_data = NULL;
510 uschar *deliver_localpart_orig = NULL;
511 uschar *deliver_localpart_parent = NULL;
512 uschar *deliver_localpart_prefix = NULL;
513 uschar *deliver_localpart_suffix = NULL;
514 BOOL    deliver_force_thaw     = FALSE;
515 BOOL    deliver_manual_thaw    = FALSE;
516 uschar *deliver_out_buffer     = NULL;
517 int     deliver_queue_load_max = -1;
518 address_item  *deliver_recipients = NULL;
519 uschar *deliver_selectstring   = NULL;
520 BOOL    deliver_selectstring_regex = FALSE;
521 uschar *deliver_selectstring_sender = NULL;
522 BOOL    deliver_selectstring_sender_regex = FALSE;
523 #ifdef WITH_OLD_DEMIME
524 int     demime_errorlevel      = 0;
525 int     demime_ok              = 0;
526 uschar *demime_reason          = NULL;
527 #endif
528 BOOL    disable_callout_flush  = FALSE;
529 BOOL    disable_delay_flush    = FALSE;
530 #ifdef ENABLE_DISABLE_FSYNC
531 BOOL    disable_fsync          = FALSE;
532 #endif
533 BOOL    disable_ipv6           = FALSE;
534 BOOL    disable_logging        = FALSE;
535
536 #ifndef DISABLE_DKIM
537 uschar *dkim_cur_signer          = NULL;
538 uschar *dkim_signers             = NULL;
539 uschar *dkim_signing_domain      = NULL;
540 uschar *dkim_signing_selector    = NULL;
541 uschar *dkim_verify_signers      = US"$dkim_signers";
542 BOOL    dkim_collect_input       = FALSE;
543 BOOL    dkim_disable_verify      = FALSE;
544 #endif
545
546 uschar *dns_again_means_nonexist = NULL;
547 int     dns_csa_search_limit   = 5;
548 BOOL    dns_csa_use_reverse    = TRUE;
549 uschar *dns_ipv4_lookup        = NULL;
550 int     dns_retrans            = 0;
551 int     dns_retry              = 0;
552 int     dns_use_edns0          = -1; /* <0 = not coerced */
553 uschar *dnslist_domain         = NULL;
554 uschar *dnslist_matched        = NULL;
555 uschar *dnslist_text           = NULL;
556 uschar *dnslist_value          = NULL;
557 tree_node *domainlist_anchor   = NULL;
558 int     domainlist_count       = 0;
559 BOOL    dont_deliver           = FALSE;
560 BOOL    dot_ends               = TRUE;
561 BOOL    drop_cr                = FALSE;         /* No longer used */
562 uschar *dsn_from               = US DEFAULT_DSN_FROM;
563
564 BOOL    enable_dollar_recipients = FALSE;
565 BOOL    envelope_to_remove     = TRUE;
566 int     errno_quota            = ERRNO_QUOTA;
567 uschar *errors_copy            = NULL;
568 int     error_handling         = ERRORS_SENDER;
569 uschar *errors_reply_to        = NULL;
570 int     errors_sender_rc       = EXIT_FAILURE;
571
572 gid_t   exim_gid               = EXIM_GID;
573 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
574 uschar *exim_path              = US BIN_DIRECTORY "/exim"
575                         "\0<---------------Space to patch exim_path->";
576 uid_t   exim_uid               = EXIM_UID;
577 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
578 int     expand_forbid          = 0;
579 int     expand_nlength[EXPAND_MAXN+1];
580 int     expand_nmax            = -1;
581 uschar *expand_nstring[EXPAND_MAXN+1];
582 BOOL    expand_string_forcedfail = FALSE;
583 uschar *expand_string_message;
584 BOOL    extract_addresses_remove_arguments = TRUE;
585 uschar *extra_local_interfaces = NULL;
586
587 int     fake_response          = OK;
588 uschar *fake_response_text     = US"Your message has been rejected but is "
589                                    "being kept for evaluation.\nIf it was a "
590                                    "legitimate message, it may still be "
591                                    "delivered to the target recipient(s).";
592 int     filter_n[FILTER_VARIABLE_COUNT];
593 BOOL    filter_running         = FALSE;
594 int     filter_sn[FILTER_VARIABLE_COUNT];
595 int     filter_test            = FTEST_NONE;
596 uschar *filter_test_sfile      = NULL;
597 uschar *filter_test_ufile      = NULL;
598 uschar *filter_thisaddress     = NULL;
599 int     finduser_retries       = 0;
600 #ifdef WITH_OLD_DEMIME
601 uschar *found_extension        = NULL;
602 #endif
603 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
604 uschar *freeze_tell            = NULL;
605 uschar *freeze_tell_config     = NULL;
606 uschar *fudged_queue_times     = US"";
607
608 uschar *gecos_name             = NULL;
609 uschar *gecos_pattern          = NULL;
610 rewrite_rule  *global_rewrite_rules = NULL;
611
612 uschar *headers_charset        = US HEADERS_CHARSET;
613 int     header_insert_maxlen   = 64 * 1024;
614 header_line  *header_last      = NULL;
615 header_line  *header_list      = NULL;
616 int     header_maxsize         = HEADER_MAXSIZE;
617 int     header_line_maxsize    = 0;
618
619 header_name header_names[] = {
620   { US"bcc",            3, TRUE,  htype_bcc },
621   { US"cc",             2, TRUE,  htype_cc },
622   { US"date",           4, TRUE,  htype_date },
623   { US"delivery-date", 13, FALSE, htype_delivery_date },
624   { US"envelope-to",   11, FALSE, htype_envelope_to },
625   { US"from",           4, TRUE,  htype_from },
626   { US"message-id",    10, TRUE,  htype_id },
627   { US"received",       8, FALSE, htype_received },
628   { US"reply-to",       8, FALSE, htype_reply_to },
629   { US"return-path",   11, FALSE, htype_return_path },
630   { US"sender",         6, TRUE,  htype_sender },
631   { US"subject",        7, FALSE, htype_subject },
632   { US"to",             2, TRUE,  htype_to }
633 };
634
635 int header_names_size          = sizeof(header_names)/sizeof(header_name);
636
637 BOOL    header_rewritten       = FALSE;
638 uschar *helo_accept_junk_hosts = NULL;
639 uschar *helo_allow_chars       = US"";
640 uschar *helo_lookup_domains    = US"@ : @[]";
641 uschar *helo_try_verify_hosts  = NULL;
642 BOOL    helo_verified          = FALSE;
643 BOOL    helo_verify_failed     = FALSE;
644 uschar *helo_verify_hosts      = NULL;
645 const uschar *hex_digits       = CUS"0123456789abcdef";
646 uschar *hold_domains           = NULL;
647 BOOL    host_checking          = FALSE;
648 BOOL    host_checking_callout  = FALSE;
649 uschar *host_data              = NULL;
650 BOOL    host_find_failed_syntax= FALSE;
651 uschar *host_lookup            = NULL;
652 BOOL    host_lookup_deferred   = FALSE;
653 BOOL    host_lookup_failed     = FALSE;
654 uschar *host_lookup_order      = US"bydns:byaddr";
655 uschar *host_lookup_msg        = US"";
656 int     host_number            = 0;
657 uschar *host_number_string     = NULL;
658 uschar *host_reject_connection = NULL;
659 tree_node *hostlist_anchor     = NULL;
660 int     hostlist_count         = 0;
661 uschar *hosts_treat_as_local   = NULL;
662 uschar *hosts_connection_nolog = NULL;
663
664 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
665 BOOL    ignore_fromline_local  = FALSE;
666 uschar *ignore_fromline_hosts  = NULL;
667 BOOL    inetd_wait_mode        = FALSE;
668 int     inetd_wait_timeout     = -1;
669 uschar *interface_address      = NULL;
670 int     interface_port         = -1;
671 BOOL    is_inetd               = FALSE;
672 uschar *iterate_item           = NULL;
673
674 int     journal_fd             = -1;
675
676 int     keep_malformed         = 4*24*60*60;    /* 4 days */
677
678 uschar *eldap_dn               = NULL;
679 int     load_average           = -2;
680 BOOL    local_error_message    = FALSE;
681 BOOL    local_from_check       = TRUE;
682 uschar *local_from_prefix      = NULL;
683 uschar *local_from_suffix      = NULL;
684
685 #if HAVE_IPV6
686 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
687 #else
688 uschar *local_interfaces       = US"0.0.0.0";
689 #endif
690
691 uschar *local_scan_data        = NULL;
692 int     local_scan_timeout     = 5*60;
693 BOOL    local_sender_retain    = FALSE;
694 gid_t   local_user_gid         = (gid_t)(-1);
695 uid_t   local_user_uid         = (uid_t)(-1);
696
697 tree_node *localpartlist_anchor= NULL;
698 int     localpartlist_count    = 0;
699 uschar *log_buffer             = NULL;
700 unsigned int log_extra_selector = LX_default;
701 uschar *log_file_path          = US LOG_FILE_PATH
702                            "\0<--------------Space to patch log_file_path->";
703
704 /* Those log options with L_xxx identifiers have values less than 0x800000 and
705 are the ones that get put into log_write_selector. They can be used in calls to
706 log_write() to test for the bit. The options with LX_xxx identifiers have
707 values greater than 0x80000000 and are put into log_extra_selector (without the
708 top bit). They are never used in calls to log_write(), but are tested
709 independently. This separation became necessary when the number of log
710 selectors was getting close to filling a 32-bit word. */
711
712 /* Note that this list must be in alphabetical order. */
713
714 bit_table log_options[]        = {
715   { US"acl_warn_skipped",             LX_acl_warn_skipped },
716   { US"address_rewrite",              L_address_rewrite },
717   { US"all",                          L_all },
718   { US"all_parents",                  L_all_parents },
719   { US"arguments",                    LX_arguments },
720   { US"connection_reject",            L_connection_reject },
721   { US"delay_delivery",               L_delay_delivery },
722   { US"deliver_time",                 LX_deliver_time },
723   { US"delivery_size",                LX_delivery_size },
724   { US"dnslist_defer",                L_dnslist_defer },
725   { US"etrn",                         L_etrn },
726   { US"host_lookup_failed",           L_host_lookup_failed },
727   { US"ident_timeout",                LX_ident_timeout },
728   { US"incoming_interface",           LX_incoming_interface },
729   { US"incoming_port",                LX_incoming_port },
730   { US"lost_incoming_connection",     L_lost_incoming_connection },
731   { US"outgoing_port",                LX_outgoing_port },
732   { US"pid",                          LX_pid },
733   { US"queue_run",                    L_queue_run },
734   { US"queue_time",                   LX_queue_time },
735   { US"queue_time_overall",           LX_queue_time_overall },
736   { US"received_recipients",          LX_received_recipients },
737   { US"received_sender",              LX_received_sender },
738   { US"rejected_header",              LX_rejected_header },
739   { US"rejected_headers",             LX_rejected_header },
740   { US"retry_defer",                  L_retry_defer },
741   { US"return_path_on_delivery",      LX_return_path_on_delivery },
742   { US"sender_on_delivery",           LX_sender_on_delivery },
743   { US"sender_verify_fail",           LX_sender_verify_fail },
744   { US"size_reject",                  L_size_reject },
745   { US"skip_delivery",                L_skip_delivery },
746   { US"smtp_confirmation",            LX_smtp_confirmation },
747   { US"smtp_connection",              L_smtp_connection },
748   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
749   { US"smtp_no_mail",                 LX_smtp_no_mail },
750   { US"smtp_protocol_error",          L_smtp_protocol_error },
751   { US"smtp_syntax_error",            L_smtp_syntax_error },
752   { US"subject",                      LX_subject },
753   { US"tls_certificate_verified",     LX_tls_certificate_verified },
754   { US"tls_cipher",                   LX_tls_cipher },
755   { US"tls_peerdn",                   LX_tls_peerdn },
756   { US"tls_sni",                      LX_tls_sni },
757   { US"unknown_in_list",              LX_unknown_in_list }
758 };
759
760 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
761 int     log_reject_target      = 0;
762 uschar *log_selector_string    = NULL;
763 FILE   *log_stderr             = NULL;
764 BOOL    log_testing_mode       = FALSE;
765 BOOL    log_timezone           = FALSE;
766 unsigned int log_write_selector= L_default;
767 uschar *login_sender_address   = NULL;
768 int     lookup_open_max        = 25;
769 uschar *lookup_value           = NULL;
770
771 macro_item  *macros            = NULL;
772 uschar *mailstore_basename     = NULL;
773 #ifdef WITH_CONTENT_SCAN
774 uschar *malware_name           = NULL;  /* Virus Name */
775 #endif
776 int     max_received_linelength= 0;
777 int     max_username_length    = 0;
778 int     message_age            = 0;
779 uschar *message_body           = NULL;
780 uschar *message_body_end       = NULL;
781 BOOL    message_body_newlines  = FALSE;
782 int     message_body_size      = 0;
783 int     message_body_visible   = 500;
784 int     message_ended          = END_NOTSTARTED;
785 uschar *message_headers        = NULL;
786 uschar *message_id;
787 uschar *message_id_domain      = NULL;
788 uschar *message_id_text        = NULL;
789 struct timeval message_id_tv   = { 0, 0 };
790 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
791 uschar *message_id_external;
792 int     message_linecount      = 0;
793 BOOL    message_logs           = TRUE;
794 int     message_size           = 0;
795 uschar *message_size_limit     = US"50M";
796 uschar  message_subdir[2]      = { 0, 0 };
797 uschar *message_reference      = NULL;
798
799 /* MIME ACL expandables */
800 #ifdef WITH_CONTENT_SCAN
801 int     mime_anomaly_level     = 0;
802 const uschar *mime_anomaly_text      = NULL;
803 uschar *mime_boundary          = NULL;
804 uschar *mime_charset           = NULL;
805 uschar *mime_content_description = NULL;
806 uschar *mime_content_disposition = NULL;
807 uschar *mime_content_id        = NULL;
808 unsigned int mime_content_size = 0;
809 uschar *mime_content_transfer_encoding = NULL;
810 uschar *mime_content_type      = NULL;
811 uschar *mime_decoded_filename  = NULL;
812 uschar *mime_filename          = NULL;
813 int     mime_is_multipart      = 0;
814 int     mime_is_coverletter    = 0;
815 int     mime_is_rfc822         = 0;
816 int     mime_part_count        = -1;
817 #endif
818
819 BOOL    mua_wrapper            = FALSE;
820
821 uid_t  *never_users            = NULL;
822 #ifdef WITH_CONTENT_SCAN
823 BOOL    no_mbox_unspool        = FALSE;
824 #endif
825 BOOL    no_multiline_responses = FALSE;
826
827 uid_t   original_euid;
828 gid_t   originator_gid;
829 uschar *originator_login       = NULL;
830 uschar *originator_name        = NULL;
831 uid_t   originator_uid;
832 uschar *override_local_interfaces = NULL;
833 uschar *override_pid_file_path = NULL;
834
835 BOOL    parse_allow_group      = FALSE;
836 BOOL    parse_found_group      = FALSE;
837 uschar *percent_hack_domains   = NULL;
838 uschar *pid_file_path          = US PID_FILE_PATH
839                            "\0<--------------Space to patch pid_file_path->";
840 BOOL    pipelining_enable      = TRUE;
841 uschar *pipelining_advertise_hosts = US"*";
842 BOOL    preserve_message_logs  = FALSE;
843 uschar *primary_hostname       = NULL;
844 BOOL    print_topbitchars      = FALSE;
845 uschar  process_info[PROCESS_INFO_SIZE];
846 int     process_info_len       = 0;
847 uschar *process_log_path       = NULL;
848 BOOL    prod_requires_admin    = TRUE;
849 uschar *prvscheck_address      = NULL;
850 uschar *prvscheck_keynum       = NULL;
851 uschar *prvscheck_result       = NULL;
852
853
854 uschar *qualify_domain_recipient = NULL;
855 uschar *qualify_domain_sender  = NULL;
856 BOOL    queue_2stage           = FALSE;
857 uschar *queue_domains          = NULL;
858 int     queue_interval         = -1;
859 BOOL    queue_list_requires_admin = TRUE;
860 BOOL    queue_only             = FALSE;
861 uschar *queue_only_file        = NULL;
862 int     queue_only_load        = -1;
863 BOOL    queue_only_load_latch  = TRUE;
864 BOOL    queue_only_override    = TRUE;
865 BOOL    queue_only_policy      = FALSE;
866 BOOL    queue_run_first_delivery = FALSE;
867 BOOL    queue_run_force        = FALSE;
868 BOOL    queue_run_in_order     = FALSE;
869 BOOL    queue_run_local        = FALSE;
870 int     queue_run_max          = 5;
871 pid_t   queue_run_pid          = (pid_t)0;
872 int     queue_run_pipe         = -1;
873 BOOL    queue_running          = FALSE;
874 BOOL    queue_smtp             = FALSE;
875 uschar *queue_smtp_domains     = NULL;
876
877 unsigned int random_seed       = 0;
878 tree_node *ratelimiters_cmd    = NULL;
879 tree_node *ratelimiters_conn   = NULL;
880 tree_node *ratelimiters_mail   = NULL;
881 uschar *raw_active_hostname    = NULL;
882 uschar *raw_sender             = NULL;
883 uschar **raw_recipients        = NULL;
884 int     raw_recipients_count   = 0;
885
886 int     rcpt_count             = 0;
887 int     rcpt_fail_count        = 0;
888 int     rcpt_defer_count       = 0;
889 gid_t   real_gid;
890 uid_t   real_uid;
891 BOOL    really_exim            = TRUE;
892 BOOL    receive_call_bombout   = FALSE;
893 int     receive_linecount      = 0;
894 int     receive_messagecount   = 0;
895 int     receive_timeout        = 0;
896 int     received_count         = 0;
897 uschar *received_for           = NULL;
898
899 /*  This is the default text for Received headers generated by Exim. The
900 date  will be automatically added on the end. */
901
902 uschar *received_header_text   = US
903      "Received: "
904      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
905      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
906      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
907      "by $primary_hostname "
908      "${if def:received_protocol {with $received_protocol}} "
909      #ifdef SUPPORT_TLS
910      "${if def:tls_cipher {($tls_cipher)\n\t}}"
911      #endif
912      "(Exim $version_number)\n\t"
913      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
914      "id $message_exim_id"
915      "${if def:received_for {\n\tfor $received_for}}"
916      "\0<---------------Space to patch received_header_text->";
917
918 int     received_headers_max   = 30;
919 uschar *received_protocol      = NULL;
920 int     received_time          = 0;
921 uschar *recipient_data         = NULL;
922 uschar *recipient_unqualified_hosts = NULL;
923 uschar *recipient_verify_failure = NULL;
924 int     recipients_count       = 0;
925 BOOL    recipients_discarded   = FALSE;
926 recipient_item  *recipients_list = NULL;
927 int     recipients_list_max    = 0;
928 int     recipients_max         = 0;
929 BOOL    recipients_max_reject  = FALSE;
930 const pcre *regex_AUTH         = NULL;
931 const pcre *regex_check_dns_names = NULL;
932 const pcre *regex_From         = NULL;
933 const pcre *regex_IGNOREQUOTA  = NULL;
934 const pcre *regex_PIPELINING   = NULL;
935 const pcre *regex_SIZE         = NULL;
936 const pcre *regex_smtp_code    = NULL;
937 const pcre *regex_ismsgid      = NULL;
938 #ifdef WHITELIST_D_MACROS
939 const pcre *regex_whitelisted_macro = NULL;
940 #endif
941 #ifdef WITH_CONTENT_SCAN
942 uschar *regex_match_string     = NULL;
943 #endif
944 int     remote_delivery_count  = 0;
945 int     remote_max_parallel    = 2;
946 uschar *remote_sort_domains    = NULL;
947 int     retry_data_expire      = 7*24*60*60;
948 int     retry_interval_max     = 24*60*60;
949 int     retry_maximum_timeout  = 0;        /* set from retry config */
950 retry_config  *retries         = NULL;
951 uschar *return_path            = NULL;
952 BOOL    return_path_remove     = TRUE;
953 int     rewrite_existflags     = 0;
954 uschar *rfc1413_hosts          = US"*";
955 int     rfc1413_query_timeout  = 5;
956 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
957 uid_t   root_gid               = ROOT_GID;
958 uid_t   root_uid               = ROOT_UID;
959
960 router_instance  *routers  = NULL;
961 router_instance  router_defaults = {
962     NULL,                      /* chain pointer */
963     NULL,                      /* name */
964     NULL,                      /* info */
965     NULL,                      /* private options block pointer */
966     NULL,                      /* driver name */
967
968     NULL,                      /* address_data */
969 #ifdef EXPERIMENTAL_BRIGHTMAIL
970     NULL,                      /* bmi_rule */
971 #endif
972     NULL,                      /* cannot_route_message */
973     NULL,                      /* condition */
974     NULL,                      /* current_directory */
975     NULL,                      /* debug_string */
976     NULL,                      /* domains */
977     NULL,                      /* errors_to */
978     NULL,                      /* expand_gid */
979     NULL,                      /* expand_uid */
980     NULL,                      /* expand_more */
981     NULL,                      /* expand_unseen */
982     NULL,                      /* extra_headers */
983     NULL,                      /* fallback_hosts */
984     NULL,                      /* home_directory */
985     NULL,                      /* ignore_target_hosts */
986     NULL,                      /* local_parts */
987     NULL,                      /* pass_router_name */
988     NULL,                      /* prefix */
989     NULL,                      /* redirect_router_name */
990     NULL,                      /* remove_headers */
991     NULL,                      /* require_files */
992     NULL,                      /* router_home_directory */
993     US"freeze",                /* self */
994     NULL,                      /* senders */
995     NULL,                      /* suffix */
996     NULL,                      /* translate_ip_address */
997     NULL,                      /* transport_name */
998
999     TRUE,                      /* address_test */
1000 #ifdef EXPERIMENTAL_BRIGHTMAIL
1001     FALSE,                     /* bmi_deliver_alternate */
1002     FALSE,                     /* bmi_deliver_default */
1003     FALSE,                     /* bmi_dont_deliver */
1004 #endif
1005     TRUE,                      /* expn */
1006     FALSE,                     /* caseful_local_part */
1007     FALSE,                     /* check_local_user */
1008     FALSE,                     /* disable_logging */
1009     FALSE,                     /* fail_verify_recipient */
1010     FALSE,                     /* fail_verify_sender */
1011     FALSE,                     /* gid_set */
1012     FALSE,                     /* initgroups */
1013     TRUE_UNSET,                /* log_as_local */
1014     TRUE,                      /* more */
1015     FALSE,                     /* pass_on_timeout */
1016     FALSE,                     /* prefix_optional */
1017     TRUE,                      /* repeat_use */
1018     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1019     FALSE,                     /* same_domain_copy_routing */
1020     FALSE,                     /* self_rewrite */
1021     FALSE,                     /* suffix_optional */
1022     FALSE,                     /* verify_only */
1023     TRUE,                      /* verify_recipient */
1024     TRUE,                      /* verify_sender */
1025     FALSE,                     /* uid_set */
1026     FALSE,                     /* unseen */
1027
1028     self_freeze,               /* self_code */
1029     (uid_t)(-1),               /* uid */
1030     (gid_t)(-1),               /* gid */
1031
1032     NULL,                      /* fallback_hostlist */
1033     NULL,                      /* transport instance */
1034     NULL,                      /* pass_router */
1035     NULL                       /* redirect_router */
1036 };
1037
1038 ip_address_item *running_interfaces = NULL;
1039 BOOL    running_in_test_harness = FALSE;
1040
1041 /* This is a weird one. The following string gets patched in the binary by the
1042 script that sets up a copy of Exim for running in the test harness. It seems
1043 that compilers are now clever, and share constant strings if they can.
1044 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1045 make use of the end of this string in order to save space. So the patching then
1046 wrecks this. We defeat this optimization by adding some additional characters
1047 onto the end of the string. */
1048
1049 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1050
1051 int     runrc                  = 0;
1052
1053 uschar *search_error_message   = NULL;
1054 BOOL    search_find_defer      = FALSE;
1055 uschar *self_hostname          = NULL;
1056 uschar *sender_address         = NULL;
1057 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1058 uschar *sender_address_data    = NULL;
1059 BOOL    sender_address_forced  = FALSE;
1060 uschar *sender_address_unrewritten = NULL;
1061 uschar *sender_data            = NULL;
1062 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1063 uschar *sender_fullhost        = NULL;
1064 uschar *sender_helo_name       = NULL;
1065 uschar **sender_host_aliases   = &no_aliases;
1066 uschar *sender_host_address    = NULL;
1067 uschar *sender_host_authenticated = NULL;
1068 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1069 uschar *sender_host_name       = NULL;
1070 int     sender_host_port       = 0;
1071 BOOL    sender_host_notsocket  = FALSE;
1072 BOOL    sender_host_unknown    = FALSE;
1073 uschar *sender_ident           = NULL;
1074 BOOL    sender_local           = FALSE;
1075 BOOL    sender_name_forced     = FALSE;
1076 uschar *sender_rate            = NULL;
1077 uschar *sender_rate_limit      = NULL;
1078 uschar *sender_rate_period     = NULL;
1079 uschar *sender_rcvhost         = NULL;
1080 BOOL    sender_set_untrusted   = FALSE;
1081 uschar *sender_unqualified_hosts = NULL;
1082 uschar *sender_verify_failure = NULL;
1083 address_item *sender_verified_list  = NULL;
1084 address_item *sender_verified_failed = NULL;
1085 int     sender_verified_rc     = -1;
1086 BOOL    sender_verified_responded = FALSE;
1087 uschar *sending_ip_address     = NULL;
1088 int     sending_port           = -1;
1089 SIGNAL_BOOL sigalrm_seen       = FALSE;
1090 uschar **sighup_argv           = NULL;
1091 int     smtp_accept_count      = 0;
1092 BOOL    smtp_accept_keepalive  = TRUE;
1093 int     smtp_accept_max        = 20;
1094 int     smtp_accept_max_nonmail= 10;
1095 uschar *smtp_accept_max_nonmail_hosts = US"*";
1096 int     smtp_accept_max_per_connection = 1000;
1097 uschar *smtp_accept_max_per_host = NULL;
1098 int     smtp_accept_queue      = 0;
1099 int     smtp_accept_queue_per_connection = 10;
1100 int     smtp_accept_reserve    = 0;
1101 uschar *smtp_active_hostname   = NULL;
1102 BOOL    smtp_authenticated     = FALSE;
1103 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1104                              "Exim $version_number $tod_full"
1105                              "\0<---------------Space to patch smtp_banner->";
1106 BOOL    smtp_batched_input     = FALSE;
1107 BOOL    smtp_check_spool_space = TRUE;
1108 int     smtp_ch_index          = 0;
1109 uschar *smtp_cmd_argument      = NULL;
1110 uschar *smtp_cmd_buffer        = NULL;
1111 time_t  smtp_connection_start  = 0;
1112 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1113 int     smtp_connect_backlog   = 20;
1114 double  smtp_delay_mail        = 0.0;
1115 double  smtp_delay_rcpt        = 0.0;
1116 BOOL    smtp_enforce_sync      = TRUE;
1117 FILE   *smtp_in                = NULL;
1118 BOOL    smtp_input             = FALSE;
1119 int     smtp_load_reserve      = -1;
1120 int     smtp_mailcmd_count     = 0;
1121 FILE   *smtp_out               = NULL;
1122 uschar *smtp_etrn_command      = NULL;
1123 BOOL    smtp_etrn_serialize    = TRUE;
1124 int     smtp_max_synprot_errors= 3;
1125 int     smtp_max_unknown_commands = 3;
1126 uschar *smtp_notquit_reason    = NULL;
1127 uschar *smtp_ratelimit_hosts   = NULL;
1128 uschar *smtp_ratelimit_mail    = NULL;
1129 uschar *smtp_ratelimit_rcpt    = NULL;
1130 uschar *smtp_read_error        = US"";
1131 int     smtp_receive_timeout   = 5*60;
1132 uschar *smtp_reserve_hosts     = NULL;
1133 BOOL    smtp_return_error_details = FALSE;
1134 int     smtp_rlm_base          = 0;
1135 double  smtp_rlm_factor        = 0.0;
1136 int     smtp_rlm_limit         = 0;
1137 int     smtp_rlm_threshold     = INT_MAX;
1138 int     smtp_rlr_base          = 0;
1139 double  smtp_rlr_factor        = 0.0;
1140 int     smtp_rlr_limit         = 0;
1141 int     smtp_rlr_threshold     = INT_MAX;
1142 BOOL    smtp_use_pipelining    = FALSE;
1143 BOOL    smtp_use_size          = FALSE;
1144
1145 #ifdef WITH_CONTENT_SCAN
1146 uschar *spamd_address          = US"127.0.0.1 783";
1147 uschar *spam_bar               = NULL;
1148 uschar *spam_report            = NULL;
1149 uschar *spam_score             = NULL;
1150 uschar *spam_score_int         = NULL;
1151 #endif
1152 #ifdef EXPERIMENTAL_SPF
1153 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1154 uschar *spf_header_comment     = NULL;
1155 uschar *spf_received           = NULL;
1156 uschar *spf_result             = NULL;
1157 uschar *spf_smtp_comment       = NULL;
1158 #endif
1159
1160 BOOL    split_spool_directory  = FALSE;
1161 uschar *spool_directory        = US SPOOL_DIRECTORY
1162                            "\0<--------------Space to patch spool_directory->";
1163 #ifdef EXPERIMENTAL_SRS
1164 uschar *srs_config             = NULL;
1165 uschar *srs_db_address         = NULL;
1166 uschar *srs_db_key             = NULL;
1167 int     srs_hashlength         = 6;
1168 int     srs_hashmin            = -1;
1169 int     srs_maxage             = 31;
1170 uschar *srs_orig_recipient     = NULL;
1171 uschar *srs_orig_sender        = NULL;
1172 uschar *srs_recipient          = NULL;
1173 uschar *srs_secrets            = NULL;
1174 uschar *srs_status             = NULL;
1175 BOOL    srs_usehash            = TRUE;
1176 BOOL    srs_usetimestamp       = TRUE;
1177 #endif
1178 BOOL    strict_acl_vars        = FALSE;
1179 int     string_datestamp_offset= -1;
1180 int     string_datestamp_length= 0;
1181 int     string_datestamp_type  = -1;
1182 BOOL    strip_excess_angle_brackets = FALSE;
1183 BOOL    strip_trailing_dot     = FALSE;
1184 uschar *submission_domain      = NULL;
1185 BOOL    submission_mode        = FALSE;
1186 uschar *submission_name        = NULL;
1187 BOOL    suppress_local_fixups  = FALSE;
1188 BOOL    synchronous_delivery   = FALSE;
1189 BOOL    syslog_duplication     = TRUE;
1190 int     syslog_facility        = LOG_MAIL;
1191 uschar *syslog_processname     = US"exim";
1192 BOOL    syslog_timestamp       = TRUE;
1193 uschar *system_filter          = NULL;
1194
1195 uschar *system_filter_directory_transport = NULL;
1196 uschar *system_filter_file_transport = NULL;
1197 uschar *system_filter_pipe_transport = NULL;
1198 uschar *system_filter_reply_transport = NULL;
1199
1200 gid_t   system_filter_gid      = 0;
1201 BOOL    system_filter_gid_set  = FALSE;
1202 uid_t   system_filter_uid      = (uid_t)-1;
1203 BOOL    system_filter_uid_set  = FALSE;
1204 BOOL    system_filtering       = FALSE;
1205
1206 BOOL    tcp_nodelay            = TRUE;
1207 #ifdef USE_TCP_WRAPPERS
1208 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1209 #endif
1210 int     test_harness_load_avg  = 0;
1211 int     thismessage_size_limit = 0;
1212 int     timeout_frozen_after   = 0;
1213 BOOL    timestamps_utc         = FALSE;
1214
1215 transport_instance  *transports = NULL;
1216
1217 transport_instance  transport_defaults = {
1218     NULL,                     /* chain pointer */
1219     NULL,                     /* name */
1220     NULL,                     /* info */
1221     NULL,                     /* private options block pointer */
1222     NULL,                     /* driver name */
1223     NULL,                     /* setup entry point */
1224     1,                        /* batch_max */
1225     NULL,                     /* batch_id */
1226     NULL,                     /* home_dir */
1227     NULL,                     /* current_dir */
1228     TRUE,                     /* multi-domain */
1229     FALSE,                    /* overrides_hosts */
1230     100,                      /* max_addresses */
1231     500,                      /* connection_max_messages */
1232     FALSE,                    /* deliver_as_creator */
1233     FALSE,                    /* disable_logging */
1234     FALSE,                    /* initgroups */
1235     FALSE,                    /* uid_set */
1236     FALSE,                    /* gid_set */
1237     (uid_t)(-1),              /* uid */
1238     (gid_t)(-1),              /* gid */
1239     NULL,                     /* expand_uid */
1240     NULL,                     /* expand_gid */
1241     NULL,                     /* warn_message */
1242     NULL,                     /* shadow */
1243     NULL,                     /* shadow_condition */
1244     NULL,                     /* filter_command */
1245     NULL,                     /* add_headers */
1246     NULL,                     /* remove_headers */
1247     NULL,                     /* return_path */
1248     NULL,                     /* debug_string */
1249     NULL,                     /* message_size_limit */
1250     NULL,                     /* headers_rewrite */
1251     NULL,                     /* rewrite_rules */
1252     0,                        /* rewrite_existflags */
1253     300,                      /* filter_timeout */
1254     FALSE,                    /* body_only */
1255     FALSE,                    /* delivery_date_add */
1256     FALSE,                    /* envelope_to_add */
1257     FALSE,                    /* headers_only */
1258     FALSE,                    /* rcpt_include_affixes */
1259     FALSE,                    /* return_path_add */
1260     FALSE,                    /* return_output */
1261     FALSE,                    /* return_fail_output */
1262     FALSE,                    /* log_output */
1263     FALSE,                    /* log_fail_output */
1264     FALSE,                    /* log_defer_output */
1265     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1266                                  1 nor 0 so can detect unset */
1267 };
1268
1269 int     transport_count;
1270 int     transport_newlines;
1271 uschar **transport_filter_argv  = NULL;
1272 int     transport_filter_timeout;
1273 BOOL    transport_filter_timed_out = FALSE;
1274 int     transport_write_timeout= 0;
1275
1276 tree_node  *tree_dns_fails     = NULL;
1277 tree_node  *tree_duplicates    = NULL;
1278 tree_node  *tree_nonrecipients = NULL;
1279 tree_node  *tree_unusable      = NULL;
1280
1281 BOOL    trusted_caller         = FALSE;
1282 BOOL    trusted_config         = TRUE;
1283 gid_t  *trusted_groups         = NULL;
1284 uid_t  *trusted_users          = NULL;
1285 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1286
1287 uschar *unknown_login          = NULL;
1288 uschar *unknown_username       = NULL;
1289 uschar *untrusted_set_sender   = NULL;
1290
1291 /*  A regex for matching a "From_" line in an incoming message, in the form
1292
1293     From ph10 Fri Jan  5 12:35 GMT 1996
1294
1295 which  the "mail" commands send to the MTA (undocumented, of course), or in
1296 the  form
1297
1298     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1299
1300 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1301 Because  of variations in time formats, just match up to the minutes. That
1302 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1303 so  just require one digit for hours and minutes. The weekday is also absent
1304 in  some forms. */
1305
1306 uschar *uucp_from_pattern      = US
1307    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1308    "(?:"                                          /* Non-extracting bracket */
1309    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1310    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1311    ")"                                            /* End alternation */
1312    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1313
1314 uschar *uucp_from_sender       = US"$1";
1315
1316 uschar *warn_message_file      = NULL;
1317 uschar *warnmsg_delay          = NULL;
1318 uschar *warnmsg_recipients     = NULL;
1319 BOOL    write_rejectlog        = TRUE;
1320
1321 uschar *version_copyright      =
1322  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1323    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1324 uschar *version_date           = US"?";
1325 uschar *version_cnumber        = US"????";
1326 uschar *version_string         = US"?";
1327
1328 int     warning_count          = 0;
1329
1330 /*  End of globals.c */