Fix CVE-2016-1531
[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 uschar *add_environment        = NULL;
257 address_item  *addr_duplicate  = NULL;
258
259 address_item address_defaults = {
260   NULL,                 /* next */
261   NULL,                 /* parent */
262   NULL,                 /* first */
263   NULL,                 /* dupof */
264   NULL,                 /* start_router */
265   NULL,                 /* router */
266   NULL,                 /* transport */
267   NULL,                 /* host_list */
268   NULL,                 /* host_used */
269   NULL,                 /* fallback_hosts */
270   NULL,                 /* reply */
271   NULL,                 /* retries */
272   NULL,                 /* address */
273   NULL,                 /* unique */
274   NULL,                 /* cc_local_part */
275   NULL,                 /* lc_local_part */
276   NULL,                 /* local_part */
277   NULL,                 /* prefix */
278   NULL,                 /* suffix */
279   NULL,                 /* domain */
280   NULL,                 /* address_retry_key */
281   NULL,                 /* domain_retry_key */
282   NULL,                 /* current_dir */
283   NULL,                 /* home_dir */
284   NULL,                 /* message */
285   NULL,                 /* user_message */
286   NULL,                 /* onetime_parent */
287   NULL,                 /* pipe_expandn */
288   NULL,                 /* return_filename */
289   NULL,                 /* self_hostname */
290   NULL,                 /* shadow_message */
291   #ifdef SUPPORT_TLS
292   NULL,                 /* cipher */
293   NULL,                 /* peerdn */
294   #endif
295   (uid_t)(-1),          /* uid */
296   (gid_t)(-1),          /* gid */
297   0,                    /* flags */
298   { 0 },                /* domain_cache - any larger array should be zeroed */
299   { 0 },                /* localpart_cache - ditto */
300   -1,                   /* mode */
301   0,                    /* more_errno */
302   ERRNO_UNKNOWNERROR,   /* basic_errno */
303   0,                    /* child_count */
304   -1,                   /* return_file */
305   SPECIAL_NONE,         /* special_action */
306   DEFER,                /* transport_return */
307   {                     /* fields that are propagated to children */
308     NULL,               /* address_data */
309     NULL,               /* domain_data */
310     NULL,               /* localpart_data */
311     NULL,               /* errors_address */
312     NULL,               /* extra_headers */
313     NULL,               /* remove_headers */
314 #ifdef EXPERIMENTAL_SRS
315     NULL,               /* srs_sender */
316 #endif
317   }
318 };
319
320 uschar *address_file           = NULL;
321 uschar *address_pipe           = NULL;
322 BOOL    address_test_mode      = FALSE;
323 tree_node *addresslist_anchor  = NULL;
324 int     addresslist_count      = 0;
325 gid_t  *admin_groups           = NULL;
326 BOOL    admin_user             = FALSE;
327 BOOL    allow_auth_unadvertised= FALSE;
328 BOOL    allow_domain_literals  = FALSE;
329 BOOL    allow_mx_to_ip         = FALSE;
330 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
331 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
332 BOOL    allow_utf8_domains     = FALSE;
333 uschar *authenticated_id       = NULL;
334 uschar *authenticated_sender   = NULL;
335 BOOL    authentication_failed  = FALSE;
336 auth_instance  *auths          = NULL;
337 uschar *auth_advertise_hosts   = US"*";
338 auth_instance auth_defaults    = {
339     NULL,                      /* chain pointer */
340     NULL,                      /* name */
341     NULL,                      /* info */
342     NULL,                      /* private options block pointer */
343     NULL,                      /* driver_name */
344     NULL,                      /* advertise_condition */
345     NULL,                      /* client_condition */
346     NULL,                      /* public_name */
347     NULL,                      /* set_id */
348     NULL,                      /* server_mail_auth_condition */
349     NULL,                      /* server_debug_string */
350     NULL,                      /* server_condition */
351     FALSE,                     /* client */
352     FALSE,                     /* server */
353     FALSE                      /* advertised */
354 };
355
356 uschar *auth_defer_msg         = US"reason not recorded";
357 uschar *auth_defer_user_msg    = US"";
358 uschar *auth_vars[AUTH_VARS];
359 int     auto_thaw              = 0;
360 #ifdef WITH_CONTENT_SCAN
361 BOOL    av_failed              = FALSE;
362 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
363 #endif
364
365 BOOL    background_daemon      = TRUE;
366
367 #if BASE_62 == 62
368 uschar *base62_chars=
369     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
370 #else
371 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
372 #endif
373
374 uschar *bi_command             = NULL;
375 uschar *big_buffer             = NULL;
376 int     big_buffer_size        = BIG_BUFFER_SIZE;
377 #ifdef EXPERIMENTAL_BRIGHTMAIL
378 uschar *bmi_alt_location       = NULL;
379 uschar *bmi_base64_tracker_verdict = NULL;
380 uschar *bmi_base64_verdict     = NULL;
381 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
382 int     bmi_deliver            = 1;
383 int     bmi_run                = 0;
384 uschar *bmi_verdicts           = NULL;
385 #endif
386 int     body_linecount         = 0;
387 int     body_zerocount         = 0;
388 uschar *bounce_message_file    = NULL;
389 uschar *bounce_message_text    = NULL;
390 uschar *bounce_recipient       = NULL;
391 BOOL    bounce_return_body     = TRUE;
392 BOOL    bounce_return_message  = TRUE;
393 int     bounce_return_size_limit = 100*1024;
394 uschar *bounce_sender_authentication = NULL;
395 int     bsmtp_transaction_linecount = 0;
396
397 int     callout_cache_domain_positive_expire = 7*24*60*60;
398 int     callout_cache_domain_negative_expire = 3*60*60;
399 int     callout_cache_positive_expire = 24*60*60;
400 int     callout_cache_negative_expire = 2*60*60;
401 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
402 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
403 int     check_log_inodes       = 0;
404 int     check_log_space        = 0;
405 BOOL    check_rfc2047_length   = TRUE;
406 int     check_spool_inodes     = 0;
407 int     check_spool_space      = 0;
408 int     clmacro_count          = 0;
409 uschar *clmacros[MAX_CLMACROS];
410 BOOL    config_changed         = FALSE;
411 FILE   *config_file            = NULL;
412 uschar *config_filename        = NULL;
413 int     config_lineno          = 0;
414 #ifdef CONFIGURE_GROUP
415 gid_t   config_gid             = CONFIGURE_GROUP;
416 #endif
417 uschar *config_main_filelist   = US CONFIGURE_FILE
418                          "\0<-----------Space to patch configure_filename->";
419 uschar *config_main_filename   = NULL;
420
421 #ifdef CONFIGURE_OWNER
422 uid_t   config_uid             = CONFIGURE_OWNER;
423 #endif
424
425 int     connection_max_messages= -1;
426 uschar *continue_hostname      = NULL;
427 uschar *continue_host_address  = NULL;
428 BOOL    continue_more          = FALSE;
429 int     continue_sequence      = 1;
430 uschar *continue_transport     = NULL;
431
432 uschar *csa_status             = NULL;
433
434 BOOL    daemon_listen          = FALSE;
435 uschar *daemon_smtp_port       = US"smtp";
436 int     daemon_startup_retries = 9;
437 int     daemon_startup_sleep   = 30;
438
439 #ifdef EXPERIMENTAL_DCC
440 BOOL    dcc_direct_add_header  = FALSE;
441 uschar *dcc_header             = NULL;
442 uschar *dcc_result             = NULL;
443 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
444 uschar *dccifd_options         = US"header";
445 #endif
446
447 BOOL    debug_daemon           = FALSE;
448 int     debug_fd               = -1;
449 FILE   *debug_file             = NULL;
450 bit_table debug_options[]      = {
451   { US"acl",            D_acl },
452   { US"all",            D_all },
453   { US"auth",           D_auth },
454   { US"deliver",        D_deliver },
455   { US"dns",            D_dns },
456   { US"dnsbl",          D_dnsbl },
457   { US"exec",           D_exec },
458   { US"expand",         D_expand },
459   { US"filter",         D_filter },
460   { US"hints_lookup",   D_hints_lookup },
461   { US"host_lookup",    D_host_lookup },
462   { US"ident",          D_ident },
463   { US"interface",      D_interface },
464   { US"lists",          D_lists },
465   { US"load",           D_load },
466   { US"local_scan",     D_local_scan },
467   { US"lookup",         D_lookup },
468   { US"memory",         D_memory },
469   { US"pid",            D_pid },
470   { US"process_info",   D_process_info },
471   { US"queue_run",      D_queue_run },
472   { US"receive",        D_receive },
473   { US"resolver",       D_resolver },
474   { US"retry",          D_retry },
475   { US"rewrite",        D_rewrite },
476   { US"route",          D_route },
477   { US"timestamp",      D_timestamp },
478   { US"tls",            D_tls },
479   { US"transport",      D_transport },
480   { US"uid",            D_uid },
481   { US"verify",         D_verify }
482 };
483 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
484 unsigned int debug_selector    = 0;
485 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
486 uschar *delay_warning_condition=
487   US"${if or {"
488             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
489             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
490             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
491             "} {no}{yes}}";
492 BOOL    delivery_date_remove   = TRUE;
493 uschar *deliver_address_data   = NULL;
494 int     deliver_datafile       = -1;
495 uschar *deliver_domain         = NULL;
496 uschar *deliver_domain_data    = NULL;
497 uschar *deliver_domain_orig    = NULL;
498 uschar *deliver_domain_parent  = NULL;
499 BOOL    deliver_drop_privilege = FALSE;
500 BOOL    deliver_firsttime      = FALSE;
501 BOOL    deliver_force          = FALSE;
502 BOOL    deliver_freeze         = FALSE;
503 int     deliver_frozen_at      = 0;
504 uschar *deliver_home           = NULL;
505 uschar *deliver_host           = NULL;
506 uschar *deliver_host_address   = NULL;
507 uschar *deliver_in_buffer      = NULL;
508 ino_t   deliver_inode          = 0;
509 uschar *deliver_localpart      = NULL;
510 uschar *deliver_localpart_data = NULL;
511 uschar *deliver_localpart_orig = NULL;
512 uschar *deliver_localpart_parent = NULL;
513 uschar *deliver_localpart_prefix = NULL;
514 uschar *deliver_localpart_suffix = NULL;
515 BOOL    deliver_force_thaw     = FALSE;
516 BOOL    deliver_manual_thaw    = FALSE;
517 uschar *deliver_out_buffer     = NULL;
518 int     deliver_queue_load_max = -1;
519 address_item  *deliver_recipients = NULL;
520 uschar *deliver_selectstring   = NULL;
521 BOOL    deliver_selectstring_regex = FALSE;
522 uschar *deliver_selectstring_sender = NULL;
523 BOOL    deliver_selectstring_sender_regex = FALSE;
524 #ifdef WITH_OLD_DEMIME
525 int     demime_errorlevel      = 0;
526 int     demime_ok              = 0;
527 uschar *demime_reason          = NULL;
528 #endif
529 BOOL    disable_callout_flush  = FALSE;
530 BOOL    disable_delay_flush    = FALSE;
531 #ifdef ENABLE_DISABLE_FSYNC
532 BOOL    disable_fsync          = FALSE;
533 #endif
534 BOOL    disable_ipv6           = FALSE;
535 BOOL    disable_logging        = FALSE;
536
537 #ifndef DISABLE_DKIM
538 uschar *dkim_cur_signer          = NULL;
539 uschar *dkim_signers             = NULL;
540 uschar *dkim_signing_domain      = NULL;
541 uschar *dkim_signing_selector    = NULL;
542 uschar *dkim_verify_signers      = US"$dkim_signers";
543 BOOL    dkim_collect_input       = FALSE;
544 BOOL    dkim_disable_verify      = FALSE;
545 #endif
546
547 uschar *dns_again_means_nonexist = NULL;
548 int     dns_csa_search_limit   = 5;
549 BOOL    dns_csa_use_reverse    = TRUE;
550 uschar *dns_ipv4_lookup        = NULL;
551 int     dns_retrans            = 0;
552 int     dns_retry              = 0;
553 int     dns_use_edns0          = -1; /* <0 = not coerced */
554 uschar *dnslist_domain         = NULL;
555 uschar *dnslist_matched        = NULL;
556 uschar *dnslist_text           = NULL;
557 uschar *dnslist_value          = NULL;
558 tree_node *domainlist_anchor   = NULL;
559 int     domainlist_count       = 0;
560 BOOL    dont_deliver           = FALSE;
561 BOOL    dot_ends               = TRUE;
562 BOOL    drop_cr                = FALSE;         /* No longer used */
563 uschar *dsn_from               = US DEFAULT_DSN_FROM;
564
565 BOOL    enable_dollar_recipients = FALSE;
566 BOOL    envelope_to_remove     = TRUE;
567 int     errno_quota            = ERRNO_QUOTA;
568 uschar *errors_copy            = NULL;
569 int     error_handling         = ERRORS_SENDER;
570 uschar *errors_reply_to        = NULL;
571 int     errors_sender_rc       = EXIT_FAILURE;
572
573 gid_t   exim_gid               = EXIM_GID;
574 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
575 uschar *exim_path              = US BIN_DIRECTORY "/exim"
576                         "\0<---------------Space to patch exim_path->";
577 uid_t   exim_uid               = EXIM_UID;
578 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
579 int     expand_forbid          = 0;
580 int     expand_nlength[EXPAND_MAXN+1];
581 int     expand_nmax            = -1;
582 uschar *expand_nstring[EXPAND_MAXN+1];
583 BOOL    expand_string_forcedfail = FALSE;
584 uschar *expand_string_message;
585 BOOL    extract_addresses_remove_arguments = TRUE;
586 uschar *extra_local_interfaces = NULL;
587
588 int     fake_response          = OK;
589 uschar *fake_response_text     = US"Your message has been rejected but is "
590                                    "being kept for evaluation.\nIf it was a "
591                                    "legitimate message, it may still be "
592                                    "delivered to the target recipient(s).";
593 int     filter_n[FILTER_VARIABLE_COUNT];
594 BOOL    filter_running         = FALSE;
595 int     filter_sn[FILTER_VARIABLE_COUNT];
596 int     filter_test            = FTEST_NONE;
597 uschar *filter_test_sfile      = NULL;
598 uschar *filter_test_ufile      = NULL;
599 uschar *filter_thisaddress     = NULL;
600 int     finduser_retries       = 0;
601 #ifdef WITH_OLD_DEMIME
602 uschar *found_extension        = NULL;
603 #endif
604 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
605 uschar *freeze_tell            = NULL;
606 uschar *freeze_tell_config     = NULL;
607 uschar *fudged_queue_times     = US"";
608
609 uschar *gecos_name             = NULL;
610 uschar *gecos_pattern          = NULL;
611 rewrite_rule  *global_rewrite_rules = NULL;
612
613 uschar *headers_charset        = US HEADERS_CHARSET;
614 int     header_insert_maxlen   = 64 * 1024;
615 header_line  *header_last      = NULL;
616 header_line  *header_list      = NULL;
617 int     header_maxsize         = HEADER_MAXSIZE;
618 int     header_line_maxsize    = 0;
619
620 header_name header_names[] = {
621   { US"bcc",            3, TRUE,  htype_bcc },
622   { US"cc",             2, TRUE,  htype_cc },
623   { US"date",           4, TRUE,  htype_date },
624   { US"delivery-date", 13, FALSE, htype_delivery_date },
625   { US"envelope-to",   11, FALSE, htype_envelope_to },
626   { US"from",           4, TRUE,  htype_from },
627   { US"message-id",    10, TRUE,  htype_id },
628   { US"received",       8, FALSE, htype_received },
629   { US"reply-to",       8, FALSE, htype_reply_to },
630   { US"return-path",   11, FALSE, htype_return_path },
631   { US"sender",         6, TRUE,  htype_sender },
632   { US"subject",        7, FALSE, htype_subject },
633   { US"to",             2, TRUE,  htype_to }
634 };
635
636 int header_names_size          = sizeof(header_names)/sizeof(header_name);
637
638 BOOL    header_rewritten       = FALSE;
639 uschar *helo_accept_junk_hosts = NULL;
640 uschar *helo_allow_chars       = US"";
641 uschar *helo_lookup_domains    = US"@ : @[]";
642 uschar *helo_try_verify_hosts  = NULL;
643 BOOL    helo_verified          = FALSE;
644 BOOL    helo_verify_failed     = FALSE;
645 uschar *helo_verify_hosts      = NULL;
646 const uschar *hex_digits       = CUS"0123456789abcdef";
647 uschar *hold_domains           = NULL;
648 BOOL    host_checking          = FALSE;
649 BOOL    host_checking_callout  = FALSE;
650 uschar *host_data              = NULL;
651 BOOL    host_find_failed_syntax= FALSE;
652 uschar *host_lookup            = NULL;
653 BOOL    host_lookup_deferred   = FALSE;
654 BOOL    host_lookup_failed     = FALSE;
655 uschar *host_lookup_order      = US"bydns:byaddr";
656 uschar *host_lookup_msg        = US"";
657 int     host_number            = 0;
658 uschar *host_number_string     = NULL;
659 uschar *host_reject_connection = NULL;
660 tree_node *hostlist_anchor     = NULL;
661 int     hostlist_count         = 0;
662 uschar *hosts_treat_as_local   = NULL;
663 uschar *hosts_connection_nolog = NULL;
664
665 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
666 BOOL    ignore_fromline_local  = FALSE;
667 uschar *ignore_fromline_hosts  = NULL;
668 BOOL    inetd_wait_mode        = FALSE;
669 int     inetd_wait_timeout     = -1;
670 uschar *interface_address      = NULL;
671 int     interface_port         = -1;
672 BOOL    is_inetd               = FALSE;
673 uschar *iterate_item           = NULL;
674
675 int     journal_fd             = -1;
676
677 uschar *keep_environment       = NULL;
678
679 int     keep_malformed         = 4*24*60*60;    /* 4 days */
680
681 uschar *eldap_dn               = NULL;
682 int     load_average           = -2;
683 BOOL    local_error_message    = FALSE;
684 BOOL    local_from_check       = TRUE;
685 uschar *local_from_prefix      = NULL;
686 uschar *local_from_suffix      = NULL;
687
688 #if HAVE_IPV6
689 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
690 #else
691 uschar *local_interfaces       = US"0.0.0.0";
692 #endif
693
694 uschar *local_scan_data        = NULL;
695 int     local_scan_timeout     = 5*60;
696 BOOL    local_sender_retain    = FALSE;
697 gid_t   local_user_gid         = (gid_t)(-1);
698 uid_t   local_user_uid         = (uid_t)(-1);
699
700 tree_node *localpartlist_anchor= NULL;
701 int     localpartlist_count    = 0;
702 uschar *log_buffer             = NULL;
703 unsigned int log_extra_selector = LX_default;
704 uschar *log_file_path          = US LOG_FILE_PATH
705                            "\0<--------------Space to patch log_file_path->";
706
707 /* Those log options with L_xxx identifiers have values less than 0x800000 and
708 are the ones that get put into log_write_selector. They can be used in calls to
709 log_write() to test for the bit. The options with LX_xxx identifiers have
710 values greater than 0x80000000 and are put into log_extra_selector (without the
711 top bit). They are never used in calls to log_write(), but are tested
712 independently. This separation became necessary when the number of log
713 selectors was getting close to filling a 32-bit word. */
714
715 /* Note that this list must be in alphabetical order. */
716
717 bit_table log_options[]        = {
718   { US"acl_warn_skipped",             LX_acl_warn_skipped },
719   { US"address_rewrite",              L_address_rewrite },
720   { US"all",                          L_all },
721   { US"all_parents",                  L_all_parents },
722   { US"arguments",                    LX_arguments },
723   { US"connection_reject",            L_connection_reject },
724   { US"delay_delivery",               L_delay_delivery },
725   { US"deliver_time",                 LX_deliver_time },
726   { US"delivery_size",                LX_delivery_size },
727   { US"dnslist_defer",                L_dnslist_defer },
728   { US"etrn",                         L_etrn },
729   { US"host_lookup_failed",           L_host_lookup_failed },
730   { US"ident_timeout",                LX_ident_timeout },
731   { US"incoming_interface",           LX_incoming_interface },
732   { US"incoming_port",                LX_incoming_port },
733   { US"lost_incoming_connection",     L_lost_incoming_connection },
734   { US"outgoing_port",                LX_outgoing_port },
735   { US"pid",                          LX_pid },
736   { US"queue_run",                    L_queue_run },
737   { US"queue_time",                   LX_queue_time },
738   { US"queue_time_overall",           LX_queue_time_overall },
739   { US"received_recipients",          LX_received_recipients },
740   { US"received_sender",              LX_received_sender },
741   { US"rejected_header",              LX_rejected_header },
742   { US"rejected_headers",             LX_rejected_header },
743   { US"retry_defer",                  L_retry_defer },
744   { US"return_path_on_delivery",      LX_return_path_on_delivery },
745   { US"sender_on_delivery",           LX_sender_on_delivery },
746   { US"sender_verify_fail",           LX_sender_verify_fail },
747   { US"size_reject",                  L_size_reject },
748   { US"skip_delivery",                L_skip_delivery },
749   { US"smtp_confirmation",            LX_smtp_confirmation },
750   { US"smtp_connection",              L_smtp_connection },
751   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
752   { US"smtp_no_mail",                 LX_smtp_no_mail },
753   { US"smtp_protocol_error",          L_smtp_protocol_error },
754   { US"smtp_syntax_error",            L_smtp_syntax_error },
755   { US"subject",                      LX_subject },
756   { US"tls_certificate_verified",     LX_tls_certificate_verified },
757   { US"tls_cipher",                   LX_tls_cipher },
758   { US"tls_peerdn",                   LX_tls_peerdn },
759   { US"tls_sni",                      LX_tls_sni },
760   { US"unknown_in_list",              LX_unknown_in_list }
761 };
762
763 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
764 int     log_reject_target      = 0;
765 uschar *log_selector_string    = NULL;
766 FILE   *log_stderr             = NULL;
767 BOOL    log_testing_mode       = FALSE;
768 BOOL    log_timezone           = FALSE;
769 unsigned int log_write_selector= L_default;
770 uschar *login_sender_address   = NULL;
771 int     lookup_open_max        = 25;
772 uschar *lookup_value           = NULL;
773
774 macro_item  *macros            = NULL;
775 uschar *mailstore_basename     = NULL;
776 #ifdef WITH_CONTENT_SCAN
777 uschar *malware_name           = NULL;  /* Virus Name */
778 #endif
779 int     max_received_linelength= 0;
780 int     max_username_length    = 0;
781 int     message_age            = 0;
782 uschar *message_body           = NULL;
783 uschar *message_body_end       = NULL;
784 BOOL    message_body_newlines  = FALSE;
785 int     message_body_size      = 0;
786 int     message_body_visible   = 500;
787 int     message_ended          = END_NOTSTARTED;
788 uschar *message_headers        = NULL;
789 uschar *message_id;
790 uschar *message_id_domain      = NULL;
791 uschar *message_id_text        = NULL;
792 struct timeval message_id_tv   = { 0, 0 };
793 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
794 uschar *message_id_external;
795 int     message_linecount      = 0;
796 BOOL    message_logs           = TRUE;
797 int     message_size           = 0;
798 uschar *message_size_limit     = US"50M";
799 uschar  message_subdir[2]      = { 0, 0 };
800 uschar *message_reference      = NULL;
801
802 /* MIME ACL expandables */
803 #ifdef WITH_CONTENT_SCAN
804 int     mime_anomaly_level     = 0;
805 const uschar *mime_anomaly_text      = NULL;
806 uschar *mime_boundary          = NULL;
807 uschar *mime_charset           = NULL;
808 uschar *mime_content_description = NULL;
809 uschar *mime_content_disposition = NULL;
810 uschar *mime_content_id        = NULL;
811 unsigned int mime_content_size = 0;
812 uschar *mime_content_transfer_encoding = NULL;
813 uschar *mime_content_type      = NULL;
814 uschar *mime_decoded_filename  = NULL;
815 uschar *mime_filename          = NULL;
816 int     mime_is_multipart      = 0;
817 int     mime_is_coverletter    = 0;
818 int     mime_is_rfc822         = 0;
819 int     mime_part_count        = -1;
820 #endif
821
822 BOOL    mua_wrapper            = FALSE;
823
824 uid_t  *never_users            = NULL;
825 #ifdef WITH_CONTENT_SCAN
826 BOOL    no_mbox_unspool        = FALSE;
827 #endif
828 BOOL    no_multiline_responses = FALSE;
829
830 uid_t   original_euid;
831 gid_t   originator_gid;
832 uschar *originator_login       = NULL;
833 uschar *originator_name        = NULL;
834 uid_t   originator_uid;
835 uschar *override_local_interfaces = NULL;
836 uschar *override_pid_file_path = NULL;
837
838 BOOL    parse_allow_group      = FALSE;
839 BOOL    parse_found_group      = FALSE;
840 uschar *percent_hack_domains   = NULL;
841 uschar *pid_file_path          = US PID_FILE_PATH
842                            "\0<--------------Space to patch pid_file_path->";
843 BOOL    pipelining_enable      = TRUE;
844 uschar *pipelining_advertise_hosts = US"*";
845 BOOL    preserve_message_logs  = FALSE;
846 uschar *primary_hostname       = NULL;
847 BOOL    print_topbitchars      = FALSE;
848 uschar  process_info[PROCESS_INFO_SIZE];
849 int     process_info_len       = 0;
850 uschar *process_log_path       = NULL;
851 BOOL    prod_requires_admin    = TRUE;
852 uschar *prvscheck_address      = NULL;
853 uschar *prvscheck_keynum       = NULL;
854 uschar *prvscheck_result       = NULL;
855
856
857 uschar *qualify_domain_recipient = NULL;
858 uschar *qualify_domain_sender  = NULL;
859 BOOL    queue_2stage           = FALSE;
860 uschar *queue_domains          = NULL;
861 int     queue_interval         = -1;
862 BOOL    queue_list_requires_admin = TRUE;
863 BOOL    queue_only             = FALSE;
864 uschar *queue_only_file        = NULL;
865 int     queue_only_load        = -1;
866 BOOL    queue_only_load_latch  = TRUE;
867 BOOL    queue_only_override    = TRUE;
868 BOOL    queue_only_policy      = FALSE;
869 BOOL    queue_run_first_delivery = FALSE;
870 BOOL    queue_run_force        = FALSE;
871 BOOL    queue_run_in_order     = FALSE;
872 BOOL    queue_run_local        = FALSE;
873 int     queue_run_max          = 5;
874 pid_t   queue_run_pid          = (pid_t)0;
875 int     queue_run_pipe         = -1;
876 BOOL    queue_running          = FALSE;
877 BOOL    queue_smtp             = FALSE;
878 uschar *queue_smtp_domains     = NULL;
879
880 unsigned int random_seed       = 0;
881 tree_node *ratelimiters_cmd    = NULL;
882 tree_node *ratelimiters_conn   = NULL;
883 tree_node *ratelimiters_mail   = NULL;
884 uschar *raw_active_hostname    = NULL;
885 uschar *raw_sender             = NULL;
886 uschar **raw_recipients        = NULL;
887 int     raw_recipients_count   = 0;
888
889 int     rcpt_count             = 0;
890 int     rcpt_fail_count        = 0;
891 int     rcpt_defer_count       = 0;
892 gid_t   real_gid;
893 uid_t   real_uid;
894 BOOL    really_exim            = TRUE;
895 BOOL    receive_call_bombout   = FALSE;
896 int     receive_linecount      = 0;
897 int     receive_messagecount   = 0;
898 int     receive_timeout        = 0;
899 int     received_count         = 0;
900 uschar *received_for           = NULL;
901
902 /*  This is the default text for Received headers generated by Exim. The
903 date  will be automatically added on the end. */
904
905 uschar *received_header_text   = US
906      "Received: "
907      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
908      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
909      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
910      "by $primary_hostname "
911      "${if def:received_protocol {with $received_protocol}} "
912      #ifdef SUPPORT_TLS
913      "${if def:tls_cipher {($tls_cipher)\n\t}}"
914      #endif
915      "(Exim $version_number)\n\t"
916      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
917      "id $message_exim_id"
918      "${if def:received_for {\n\tfor $received_for}}"
919      "\0<---------------Space to patch received_header_text->";
920
921 int     received_headers_max   = 30;
922 uschar *received_protocol      = NULL;
923 int     received_time          = 0;
924 uschar *recipient_data         = NULL;
925 uschar *recipient_unqualified_hosts = NULL;
926 uschar *recipient_verify_failure = NULL;
927 int     recipients_count       = 0;
928 BOOL    recipients_discarded   = FALSE;
929 recipient_item  *recipients_list = NULL;
930 int     recipients_list_max    = 0;
931 int     recipients_max         = 0;
932 BOOL    recipients_max_reject  = FALSE;
933 const pcre *regex_AUTH         = NULL;
934 const pcre *regex_check_dns_names = NULL;
935 const pcre *regex_From         = NULL;
936 const pcre *regex_IGNOREQUOTA  = NULL;
937 const pcre *regex_PIPELINING   = NULL;
938 const pcre *regex_SIZE         = NULL;
939 const pcre *regex_smtp_code    = NULL;
940 const pcre *regex_ismsgid      = NULL;
941 #ifdef WHITELIST_D_MACROS
942 const pcre *regex_whitelisted_macro = NULL;
943 #endif
944 #ifdef WITH_CONTENT_SCAN
945 uschar *regex_match_string     = NULL;
946 #endif
947 int     remote_delivery_count  = 0;
948 int     remote_max_parallel    = 2;
949 uschar *remote_sort_domains    = NULL;
950 int     retry_data_expire      = 7*24*60*60;
951 int     retry_interval_max     = 24*60*60;
952 int     retry_maximum_timeout  = 0;        /* set from retry config */
953 retry_config  *retries         = NULL;
954 uschar *return_path            = NULL;
955 BOOL    return_path_remove     = TRUE;
956 int     rewrite_existflags     = 0;
957 uschar *rfc1413_hosts          = US"*";
958 int     rfc1413_query_timeout  = 5;
959 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
960 uid_t   root_gid               = ROOT_GID;
961 uid_t   root_uid               = ROOT_UID;
962
963 router_instance  *routers  = NULL;
964 router_instance  router_defaults = {
965     NULL,                      /* chain pointer */
966     NULL,                      /* name */
967     NULL,                      /* info */
968     NULL,                      /* private options block pointer */
969     NULL,                      /* driver name */
970
971     NULL,                      /* address_data */
972 #ifdef EXPERIMENTAL_BRIGHTMAIL
973     NULL,                      /* bmi_rule */
974 #endif
975     NULL,                      /* cannot_route_message */
976     NULL,                      /* condition */
977     NULL,                      /* current_directory */
978     NULL,                      /* debug_string */
979     NULL,                      /* domains */
980     NULL,                      /* errors_to */
981     NULL,                      /* expand_gid */
982     NULL,                      /* expand_uid */
983     NULL,                      /* expand_more */
984     NULL,                      /* expand_unseen */
985     NULL,                      /* extra_headers */
986     NULL,                      /* fallback_hosts */
987     NULL,                      /* home_directory */
988     NULL,                      /* ignore_target_hosts */
989     NULL,                      /* local_parts */
990     NULL,                      /* pass_router_name */
991     NULL,                      /* prefix */
992     NULL,                      /* redirect_router_name */
993     NULL,                      /* remove_headers */
994     NULL,                      /* require_files */
995     NULL,                      /* router_home_directory */
996     US"freeze",                /* self */
997     NULL,                      /* senders */
998     NULL,                      /* suffix */
999     NULL,                      /* translate_ip_address */
1000     NULL,                      /* transport_name */
1001
1002     TRUE,                      /* address_test */
1003 #ifdef EXPERIMENTAL_BRIGHTMAIL
1004     FALSE,                     /* bmi_deliver_alternate */
1005     FALSE,                     /* bmi_deliver_default */
1006     FALSE,                     /* bmi_dont_deliver */
1007 #endif
1008     TRUE,                      /* expn */
1009     FALSE,                     /* caseful_local_part */
1010     FALSE,                     /* check_local_user */
1011     FALSE,                     /* disable_logging */
1012     FALSE,                     /* fail_verify_recipient */
1013     FALSE,                     /* fail_verify_sender */
1014     FALSE,                     /* gid_set */
1015     FALSE,                     /* initgroups */
1016     TRUE_UNSET,                /* log_as_local */
1017     TRUE,                      /* more */
1018     FALSE,                     /* pass_on_timeout */
1019     FALSE,                     /* prefix_optional */
1020     TRUE,                      /* repeat_use */
1021     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1022     FALSE,                     /* same_domain_copy_routing */
1023     FALSE,                     /* self_rewrite */
1024     FALSE,                     /* suffix_optional */
1025     FALSE,                     /* verify_only */
1026     TRUE,                      /* verify_recipient */
1027     TRUE,                      /* verify_sender */
1028     FALSE,                     /* uid_set */
1029     FALSE,                     /* unseen */
1030
1031     self_freeze,               /* self_code */
1032     (uid_t)(-1),               /* uid */
1033     (gid_t)(-1),               /* gid */
1034
1035     NULL,                      /* fallback_hostlist */
1036     NULL,                      /* transport instance */
1037     NULL,                      /* pass_router */
1038     NULL                       /* redirect_router */
1039 };
1040
1041 ip_address_item *running_interfaces = NULL;
1042 BOOL    running_in_test_harness = FALSE;
1043
1044 /* This is a weird one. The following string gets patched in the binary by the
1045 script that sets up a copy of Exim for running in the test harness. It seems
1046 that compilers are now clever, and share constant strings if they can.
1047 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1048 make use of the end of this string in order to save space. So the patching then
1049 wrecks this. We defeat this optimization by adding some additional characters
1050 onto the end of the string. */
1051
1052 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1053
1054 int     runrc                  = 0;
1055
1056 uschar *search_error_message   = NULL;
1057 BOOL    search_find_defer      = FALSE;
1058 uschar *self_hostname          = NULL;
1059 uschar *sender_address         = NULL;
1060 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1061 uschar *sender_address_data    = NULL;
1062 BOOL    sender_address_forced  = FALSE;
1063 uschar *sender_address_unrewritten = NULL;
1064 uschar *sender_data            = NULL;
1065 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1066 uschar *sender_fullhost        = NULL;
1067 uschar *sender_helo_name       = NULL;
1068 uschar **sender_host_aliases   = &no_aliases;
1069 uschar *sender_host_address    = NULL;
1070 uschar *sender_host_authenticated = NULL;
1071 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1072 uschar *sender_host_name       = NULL;
1073 int     sender_host_port       = 0;
1074 BOOL    sender_host_notsocket  = FALSE;
1075 BOOL    sender_host_unknown    = FALSE;
1076 uschar *sender_ident           = NULL;
1077 BOOL    sender_local           = FALSE;
1078 BOOL    sender_name_forced     = FALSE;
1079 uschar *sender_rate            = NULL;
1080 uschar *sender_rate_limit      = NULL;
1081 uschar *sender_rate_period     = NULL;
1082 uschar *sender_rcvhost         = NULL;
1083 BOOL    sender_set_untrusted   = FALSE;
1084 uschar *sender_unqualified_hosts = NULL;
1085 uschar *sender_verify_failure = NULL;
1086 address_item *sender_verified_list  = NULL;
1087 address_item *sender_verified_failed = NULL;
1088 int     sender_verified_rc     = -1;
1089 BOOL    sender_verified_responded = FALSE;
1090 uschar *sending_ip_address     = NULL;
1091 int     sending_port           = -1;
1092 SIGNAL_BOOL sigalrm_seen       = FALSE;
1093 uschar **sighup_argv           = NULL;
1094 int     smtp_accept_count      = 0;
1095 BOOL    smtp_accept_keepalive  = TRUE;
1096 int     smtp_accept_max        = 20;
1097 int     smtp_accept_max_nonmail= 10;
1098 uschar *smtp_accept_max_nonmail_hosts = US"*";
1099 int     smtp_accept_max_per_connection = 1000;
1100 uschar *smtp_accept_max_per_host = NULL;
1101 int     smtp_accept_queue      = 0;
1102 int     smtp_accept_queue_per_connection = 10;
1103 int     smtp_accept_reserve    = 0;
1104 uschar *smtp_active_hostname   = NULL;
1105 BOOL    smtp_authenticated     = FALSE;
1106 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1107                              "Exim $version_number $tod_full"
1108                              "\0<---------------Space to patch smtp_banner->";
1109 BOOL    smtp_batched_input     = FALSE;
1110 BOOL    smtp_check_spool_space = TRUE;
1111 int     smtp_ch_index          = 0;
1112 uschar *smtp_cmd_argument      = NULL;
1113 uschar *smtp_cmd_buffer        = NULL;
1114 time_t  smtp_connection_start  = 0;
1115 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1116 int     smtp_connect_backlog   = 20;
1117 double  smtp_delay_mail        = 0.0;
1118 double  smtp_delay_rcpt        = 0.0;
1119 BOOL    smtp_enforce_sync      = TRUE;
1120 FILE   *smtp_in                = NULL;
1121 BOOL    smtp_input             = FALSE;
1122 int     smtp_load_reserve      = -1;
1123 int     smtp_mailcmd_count     = 0;
1124 FILE   *smtp_out               = NULL;
1125 uschar *smtp_etrn_command      = NULL;
1126 BOOL    smtp_etrn_serialize    = TRUE;
1127 int     smtp_max_synprot_errors= 3;
1128 int     smtp_max_unknown_commands = 3;
1129 uschar *smtp_notquit_reason    = NULL;
1130 uschar *smtp_ratelimit_hosts   = NULL;
1131 uschar *smtp_ratelimit_mail    = NULL;
1132 uschar *smtp_ratelimit_rcpt    = NULL;
1133 uschar *smtp_read_error        = US"";
1134 int     smtp_receive_timeout   = 5*60;
1135 uschar *smtp_reserve_hosts     = NULL;
1136 BOOL    smtp_return_error_details = FALSE;
1137 int     smtp_rlm_base          = 0;
1138 double  smtp_rlm_factor        = 0.0;
1139 int     smtp_rlm_limit         = 0;
1140 int     smtp_rlm_threshold     = INT_MAX;
1141 int     smtp_rlr_base          = 0;
1142 double  smtp_rlr_factor        = 0.0;
1143 int     smtp_rlr_limit         = 0;
1144 int     smtp_rlr_threshold     = INT_MAX;
1145 BOOL    smtp_use_pipelining    = FALSE;
1146 BOOL    smtp_use_size          = FALSE;
1147
1148 #ifdef WITH_CONTENT_SCAN
1149 uschar *spamd_address          = US"127.0.0.1 783";
1150 uschar *spam_bar               = NULL;
1151 uschar *spam_report            = NULL;
1152 uschar *spam_score             = NULL;
1153 uschar *spam_score_int         = NULL;
1154 #endif
1155 #ifdef EXPERIMENTAL_SPF
1156 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1157 uschar *spf_header_comment     = NULL;
1158 uschar *spf_received           = NULL;
1159 uschar *spf_result             = NULL;
1160 uschar *spf_smtp_comment       = NULL;
1161 #endif
1162
1163 BOOL    split_spool_directory  = FALSE;
1164 uschar *spool_directory        = US SPOOL_DIRECTORY
1165                            "\0<--------------Space to patch spool_directory->";
1166 #ifdef EXPERIMENTAL_SRS
1167 uschar *srs_config             = NULL;
1168 uschar *srs_db_address         = NULL;
1169 uschar *srs_db_key             = NULL;
1170 int     srs_hashlength         = 6;
1171 int     srs_hashmin            = -1;
1172 int     srs_maxage             = 31;
1173 uschar *srs_orig_recipient     = NULL;
1174 uschar *srs_orig_sender        = NULL;
1175 uschar *srs_recipient          = NULL;
1176 uschar *srs_secrets            = NULL;
1177 uschar *srs_status             = NULL;
1178 BOOL    srs_usehash            = TRUE;
1179 BOOL    srs_usetimestamp       = TRUE;
1180 #endif
1181 BOOL    strict_acl_vars        = FALSE;
1182 int     string_datestamp_offset= -1;
1183 int     string_datestamp_length= 0;
1184 int     string_datestamp_type  = -1;
1185 BOOL    strip_excess_angle_brackets = FALSE;
1186 BOOL    strip_trailing_dot     = FALSE;
1187 uschar *submission_domain      = NULL;
1188 BOOL    submission_mode        = FALSE;
1189 uschar *submission_name        = NULL;
1190 BOOL    suppress_local_fixups  = FALSE;
1191 BOOL    synchronous_delivery   = FALSE;
1192 BOOL    syslog_duplication     = TRUE;
1193 int     syslog_facility        = LOG_MAIL;
1194 uschar *syslog_processname     = US"exim";
1195 BOOL    syslog_timestamp       = TRUE;
1196 uschar *system_filter          = NULL;
1197
1198 uschar *system_filter_directory_transport = NULL;
1199 uschar *system_filter_file_transport = NULL;
1200 uschar *system_filter_pipe_transport = NULL;
1201 uschar *system_filter_reply_transport = NULL;
1202
1203 gid_t   system_filter_gid      = 0;
1204 BOOL    system_filter_gid_set  = FALSE;
1205 uid_t   system_filter_uid      = (uid_t)-1;
1206 BOOL    system_filter_uid_set  = FALSE;
1207 BOOL    system_filtering       = FALSE;
1208
1209 BOOL    tcp_nodelay            = TRUE;
1210 #ifdef USE_TCP_WRAPPERS
1211 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1212 #endif
1213 int     test_harness_load_avg  = 0;
1214 int     thismessage_size_limit = 0;
1215 int     timeout_frozen_after   = 0;
1216 BOOL    timestamps_utc         = FALSE;
1217
1218 transport_instance  *transports = NULL;
1219
1220 transport_instance  transport_defaults = {
1221     NULL,                     /* chain pointer */
1222     NULL,                     /* name */
1223     NULL,                     /* info */
1224     NULL,                     /* private options block pointer */
1225     NULL,                     /* driver name */
1226     NULL,                     /* setup entry point */
1227     1,                        /* batch_max */
1228     NULL,                     /* batch_id */
1229     NULL,                     /* home_dir */
1230     NULL,                     /* current_dir */
1231     TRUE,                     /* multi-domain */
1232     FALSE,                    /* overrides_hosts */
1233     100,                      /* max_addresses */
1234     500,                      /* connection_max_messages */
1235     FALSE,                    /* deliver_as_creator */
1236     FALSE,                    /* disable_logging */
1237     FALSE,                    /* initgroups */
1238     FALSE,                    /* uid_set */
1239     FALSE,                    /* gid_set */
1240     (uid_t)(-1),              /* uid */
1241     (gid_t)(-1),              /* gid */
1242     NULL,                     /* expand_uid */
1243     NULL,                     /* expand_gid */
1244     NULL,                     /* warn_message */
1245     NULL,                     /* shadow */
1246     NULL,                     /* shadow_condition */
1247     NULL,                     /* filter_command */
1248     NULL,                     /* add_headers */
1249     NULL,                     /* remove_headers */
1250     NULL,                     /* return_path */
1251     NULL,                     /* debug_string */
1252     NULL,                     /* message_size_limit */
1253     NULL,                     /* headers_rewrite */
1254     NULL,                     /* rewrite_rules */
1255     0,                        /* rewrite_existflags */
1256     300,                      /* filter_timeout */
1257     FALSE,                    /* body_only */
1258     FALSE,                    /* delivery_date_add */
1259     FALSE,                    /* envelope_to_add */
1260     FALSE,                    /* headers_only */
1261     FALSE,                    /* rcpt_include_affixes */
1262     FALSE,                    /* return_path_add */
1263     FALSE,                    /* return_output */
1264     FALSE,                    /* return_fail_output */
1265     FALSE,                    /* log_output */
1266     FALSE,                    /* log_fail_output */
1267     FALSE,                    /* log_defer_output */
1268     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1269                                  1 nor 0 so can detect unset */
1270 };
1271
1272 int     transport_count;
1273 int     transport_newlines;
1274 uschar **transport_filter_argv  = NULL;
1275 int     transport_filter_timeout;
1276 BOOL    transport_filter_timed_out = FALSE;
1277 int     transport_write_timeout= 0;
1278
1279 tree_node  *tree_dns_fails     = NULL;
1280 tree_node  *tree_duplicates    = NULL;
1281 tree_node  *tree_nonrecipients = NULL;
1282 tree_node  *tree_unusable      = NULL;
1283
1284 BOOL    trusted_caller         = FALSE;
1285 BOOL    trusted_config         = TRUE;
1286 gid_t  *trusted_groups         = NULL;
1287 uid_t  *trusted_users          = NULL;
1288 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1289
1290 uschar *unknown_login          = NULL;
1291 uschar *unknown_username       = NULL;
1292 uschar *untrusted_set_sender   = NULL;
1293
1294 /*  A regex for matching a "From_" line in an incoming message, in the form
1295
1296     From ph10 Fri Jan  5 12:35 GMT 1996
1297
1298 which  the "mail" commands send to the MTA (undocumented, of course), or in
1299 the  form
1300
1301     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1302
1303 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1304 Because  of variations in time formats, just match up to the minutes. That
1305 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1306 so  just require one digit for hours and minutes. The weekday is also absent
1307 in  some forms. */
1308
1309 uschar *uucp_from_pattern      = US
1310    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1311    "(?:"                                          /* Non-extracting bracket */
1312    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1313    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1314    ")"                                            /* End alternation */
1315    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1316
1317 uschar *uucp_from_sender       = US"$1";
1318
1319 uschar *warn_message_file      = NULL;
1320 uschar *warnmsg_delay          = NULL;
1321 uschar *warnmsg_recipients     = NULL;
1322 BOOL    write_rejectlog        = TRUE;
1323
1324 uschar *version_copyright      =
1325  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1326    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1327 uschar *version_date           = US"?";
1328 uschar *version_cnumber        = US"????";
1329 uschar *version_string         = US"?";
1330
1331 int     warning_count          = 0;
1332
1333 /*  End of globals.c */