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   { "client_set_id", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, set_client_id)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(auth_instance, set_id)) }
  36 };
  37
  38 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 #endif
  53
  54 #ifdef EXPAND_DLFUNC
  55 tree_node *dlobj_anchor        = NULL;
  56 #endif
  57
  58 #ifdef LOOKUP_IBASE
  59 uschar *ibase_servers          = NULL;
  60 #endif
  61
  62 #ifdef LOOKUP_LDAP
  63 uschar *eldap_ca_cert_dir      = NULL;
  64 uschar *eldap_ca_cert_file     = NULL;
  65 uschar *eldap_cert_file        = NULL;
  66 uschar *eldap_cert_key         = NULL;
  67 uschar *eldap_cipher_suite     = NULL;
  68 uschar *eldap_default_servers  = NULL;
  69 uschar *eldap_require_cert     = NULL;
  70 int     eldap_version          = -1;
  71 BOOL    eldap_start_tls        = FALSE;
  72 #endif
  73
  74 #ifdef LOOKUP_MYSQL
  75 uschar *mysql_servers          = NULL;
  76 #endif
  77
  78 #ifdef LOOKUP_ORACLE
  79 uschar *oracle_servers         = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_PGSQL
  83 uschar *pgsql_servers          = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_SQLITE
  87 int     sqlite_lock_timeout    = 5;
  88 #endif
  89
  90 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  91 BOOL    move_frozen_messages   = FALSE;
  92 #endif
  93
  94 /* These variables are outside the #ifdef because it keeps the code less
  95 cluttered in several places (e.g. during logging) if we can always refer to
  96 them. Also, the tls_ variables are now always visible. */
  97
  98 tls_support tls_in = {
  99  -1,   /* tls_active */
 100  0,    /* tls_bits */
 101  FALSE,/* tls_certificate_verified */
 102  NULL, /* tls_cipher */
 103  FALSE,/* tls_on_connect */
 104  NULL, /* tls_on_connect_ports */
 105  NULL, /* tls_peerdn */
 106  NULL  /* tls_sni */
 107 };
 108 tls_support tls_out = {
 109  -1,   /* tls_active */
 110  0,    /* tls_bits */
 111  FALSE,/* tls_certificate_verified */
 112  NULL, /* tls_cipher */
 113  FALSE,/* tls_on_connect */
 114  NULL, /* tls_on_connect_ports */
 115  NULL, /* tls_peerdn */
 116  NULL  /* tls_sni */
 117 };
 118
 119
 120 #ifdef SUPPORT_TLS
 121 BOOL    gnutls_compat_mode     = FALSE;
 122 BOOL    gnutls_enable_pkcs11   = FALSE;
 123 uschar *gnutls_require_mac     = NULL;
 124 uschar *gnutls_require_kx      = NULL;
 125 uschar *gnutls_require_proto   = NULL;
 126 uschar *openssl_options        = NULL;
 127 const pcre *regex_STARTTLS     = NULL;
 128 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 129 uschar *tls_certificate        = NULL;
 130 uschar *tls_crl                = NULL;
 131 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 132 that's the interop problem which has been observed: GnuTLS suggesting a higher
 133 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 134 int     tls_dh_max_bits        = 2236;
 135 uschar *tls_dhparam            = NULL;
 136 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
 137 uschar *tls_ocsp_file          = NULL;
 138 #endif
 139 BOOL    tls_offered            = FALSE;
 140 uschar *tls_privatekey         = NULL;
 141 BOOL    tls_remember_esmtp     = FALSE;
 142 uschar *tls_require_ciphers    = NULL;
 143 uschar *tls_try_verify_hosts   = NULL;
 144 uschar *tls_verify_certificates= NULL;
 145 uschar *tls_verify_hosts       = NULL;
 146 #endif
 147
 148 #ifdef EXPERIMENTAL_PRDR
 149 /* Per Recipient Data Response variables */
 150 BOOL    prdr_enable            = FALSE;
 151 BOOL    prdr_requested         = FALSE;
 152 const pcre *regex_PRDR         = NULL;
 153 #endif
 154
 155 /* Input-reading functions for messages, so we can use special ones for
 156 incoming TCP/IP. The defaults use stdin. We never need these for any
 157 stand-alone tests. */
 158
 159 #ifndef STAND_ALONE
 160 int (*receive_getc)(void)      = stdin_getc;
 161 int (*receive_ungetc)(int)     = stdin_ungetc;
 162 int (*receive_feof)(void)      = stdin_feof;
 163 int (*receive_ferror)(void)    = stdin_ferror;
 164 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 165 #endif
 166
 167
 168 /* List of per-address expansion variables for clearing and saving/restoring
 169 when verifying one address while routing/verifying another. We have to have
 170 the size explicit, because it is referenced from more than one module. */
 171
 172 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 173   &deliver_address_data,
 174   &deliver_domain,
 175   &deliver_domain_data,
 176   &deliver_domain_orig,
 177   &deliver_domain_parent,
 178   &deliver_localpart,
 179   &deliver_localpart_data,
 180   &deliver_localpart_orig,
 181   &deliver_localpart_parent,
 182   &deliver_localpart_prefix,
 183   &deliver_localpart_suffix,
 184   (uschar **)(&deliver_recipients),
 185   &deliver_host,
 186   &deliver_home,
 187   &address_file,
 188   &address_pipe,
 189   &self_hostname,
 190   NULL };
 191
 192 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 193
 194 /* General global variables */
 195
 196 header_line *acl_added_headers = NULL;
 197 tree_node *acl_anchor          = NULL;
 198 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 199                                   NULL, NULL, NULL, NULL};
 200 int     acl_narg               = 0;
 201
 202 uschar *acl_not_smtp           = NULL;
 203 #ifdef WITH_CONTENT_SCAN
 204 uschar *acl_not_smtp_mime      = NULL;
 205 #endif
 206 uschar *acl_not_smtp_start     = NULL;
 207 uschar *acl_removed_headers    = NULL;
 208 uschar *acl_smtp_auth          = NULL;
 209 uschar *acl_smtp_connect       = NULL;
 210 uschar *acl_smtp_data          = NULL;
 211 #ifdef EXPERIMENTAL_PRDR
 212 uschar *acl_smtp_data_prdr     = NULL;
 213 #endif
 214 #ifndef DISABLE_DKIM
 215 uschar *acl_smtp_dkim          = NULL;
 216 #endif
 217 uschar *acl_smtp_etrn          = NULL;
 218 uschar *acl_smtp_expn          = NULL;
 219 uschar *acl_smtp_helo          = NULL;
 220 uschar *acl_smtp_mail          = NULL;
 221 uschar *acl_smtp_mailauth      = NULL;
 222 #ifdef WITH_CONTENT_SCAN
 223 uschar *acl_smtp_mime          = NULL;
 224 #endif
 225 uschar *acl_smtp_notquit       = NULL;
 226 uschar *acl_smtp_predata       = NULL;
 227 uschar *acl_smtp_quit          = NULL;
 228 uschar *acl_smtp_rcpt          = NULL;
 229 uschar *acl_smtp_starttls      = NULL;
 230 uschar *acl_smtp_vrfy          = NULL;
 231
 232 BOOL    acl_temp_details       = FALSE;
 233 tree_node *acl_var_c           = NULL;
 234 tree_node *acl_var_m           = NULL;
 235 uschar *acl_verify_message     = NULL;
 236 string_item *acl_warn_logged   = NULL;
 237
 238 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 239 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 240
 241 uschar *acl_wherenames[]       = { US"RCPT",
 242                                    US"MAIL",
 243                                    US"PREDATA",
 244                                    US"MIME",
 245                                    US"DKIM",
 246                                    US"DATA",
 247 #ifdef EXPERIMENTAL_PRDR
 248                                    US"PRDR",
 249 #endif
 250                                    US"non-SMTP",
 251                                    US"AUTH",
 252                                    US"connection",
 253                                    US"ETRN",
 254                                    US"EXPN",
 255                                    US"EHLO or HELO",
 256                                    US"MAILAUTH",
 257                                    US"non-SMTP-start",
 258                                    US"NOTQUIT",
 259                                    US"QUIT",
 260                                    US"STARTTLS",
 261                                    US"VRFY",
 262                                    US"delivery",
 263                                    US"unknown"
 264                                  };
 265
 266 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 267                                    US"550",     /* MAIL */
 268                                    US"550",     /* PREDATA */
 269                                    US"550",     /* MIME */
 270                                    US"550",     /* DKIM */
 271                                    US"550",     /* DATA */
 272 #ifdef EXPERIMENTAL_PRDR
 273                                    US"550",    /* RCPT PRDR */
 274 #endif
 275                                    US"0",       /* not SMTP; not relevant */
 276                                    US"503",     /* AUTH */
 277                                    US"550",     /* connect */
 278                                    US"458",     /* ETRN */
 279                                    US"550",     /* EXPN */
 280                                    US"550",     /* HELO/EHLO */
 281                                    US"0",       /* MAILAUTH; not relevant */
 282                                    US"0",       /* not SMTP; not relevant */
 283                                    US"0",       /* NOTQUIT; not relevant */
 284                                    US"0",       /* QUIT; not relevant */
 285                                    US"550",     /* STARTTLS */
 286                                    US"252",     /* VRFY */
 287                                    US"0",       /* delivery; not relevant */
 288                                    US"0"        /* unknown; not relevant */
 289                                  };
 290
 291 BOOL    active_local_from_check = FALSE;
 292 BOOL    active_local_sender_retain = FALSE;
 293 int     body_8bitmime = 0;
 294 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 295 address_item  *addr_duplicate  = NULL;
 296
 297 address_item address_defaults = {
 298   NULL,                 /* next */
 299   NULL,                 /* parent */
 300   NULL,                 /* first */
 301   NULL,                 /* dupof */
 302   NULL,                 /* start_router */
 303   NULL,                 /* router */
 304   NULL,                 /* transport */
 305   NULL,                 /* host_list */
 306   NULL,                 /* host_used */
 307   NULL,                 /* fallback_hosts */
 308   NULL,                 /* reply */
 309   NULL,                 /* retries */
 310   NULL,                 /* address */
 311   NULL,                 /* unique */
 312   NULL,                 /* cc_local_part */
 313   NULL,                 /* lc_local_part */
 314   NULL,                 /* local_part */
 315   NULL,                 /* prefix */
 316   NULL,                 /* suffix */
 317   NULL,                 /* domain */
 318   NULL,                 /* address_retry_key */
 319   NULL,                 /* domain_retry_key */
 320   NULL,                 /* current_dir */
 321   NULL,                 /* home_dir */
 322   NULL,                 /* message */
 323   NULL,                 /* user_message */
 324   NULL,                 /* onetime_parent */
 325   NULL,                 /* pipe_expandn */
 326   NULL,                 /* return_filename */
 327   NULL,                 /* self_hostname */
 328   NULL,                 /* shadow_message */
 329   #ifdef SUPPORT_TLS
 330   NULL,                 /* cipher */
 331   NULL,                 /* peerdn */
 332   #endif
 333   NULL,                 /* authenticator */
 334   NULL,                 /* auth_id */
 335   NULL,                 /* auth_sndr */
 336   (uid_t)(-1),          /* uid */
 337   (gid_t)(-1),          /* gid */
 338   0,                    /* flags */
 339   { 0 },                /* domain_cache - any larger array should be zeroed */
 340   { 0 },                /* localpart_cache - ditto */
 341   -1,                   /* mode */
 342   0,                    /* more_errno */
 343   ERRNO_UNKNOWNERROR,   /* basic_errno */
 344   0,                    /* child_count */
 345   -1,                   /* return_file */
 346   SPECIAL_NONE,         /* special_action */
 347   DEFER,                /* transport_return */
 348   {                     /* fields that are propagated to children */
 349     NULL,               /* address_data */
 350     NULL,               /* domain_data */
 351     NULL,               /* localpart_data */
 352     NULL,               /* errors_address */
 353     NULL,               /* extra_headers */
 354     NULL,               /* remove_headers */
 355 #ifdef EXPERIMENTAL_SRS
 356     NULL,               /* srs_sender */
 357 #endif
 358   }
 359 };
 360
 361 uschar *address_file           = NULL;
 362 uschar *address_pipe           = NULL;
 363 BOOL    address_test_mode      = FALSE;
 364 tree_node *addresslist_anchor  = NULL;
 365 int     addresslist_count      = 0;
 366 gid_t  *admin_groups           = NULL;
 367 BOOL    admin_user             = FALSE;
 368 BOOL    allow_auth_unadvertised= FALSE;
 369 BOOL    allow_domain_literals  = FALSE;
 370 BOOL    allow_mx_to_ip         = FALSE;
 371 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 372 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 373 BOOL    allow_utf8_domains     = FALSE;
 374 uschar *authenticated_id       = NULL;
 375 uschar *authenticated_sender   = NULL;
 376 BOOL    authentication_failed  = FALSE;
 377 auth_instance  *auths          = NULL;
 378 uschar *auth_advertise_hosts   = US"*";
 379 auth_instance auth_defaults    = {
 380     NULL,                      /* chain pointer */
 381     NULL,                      /* name */
 382     NULL,                      /* info */
 383     NULL,                      /* private options block pointer */
 384     NULL,                      /* driver_name */
 385     NULL,                      /* advertise_condition */
 386     NULL,                      /* client_condition */
 387     NULL,                      /* public_name */
 388     NULL,                      /* set_id */
 389     NULL,                      /* set_client_id */
 390     NULL,                      /* server_mail_auth_condition */
 391     NULL,                      /* server_debug_string */
 392     NULL,                      /* server_condition */
 393     FALSE,                     /* client */
 394     FALSE,                     /* server */
 395     FALSE                      /* advertised */
 396 };
 397
 398 uschar *auth_defer_msg         = US"reason not recorded";
 399 uschar *auth_defer_user_msg    = US"";
 400 uschar *auth_vars[AUTH_VARS];
 401 int     auto_thaw              = 0;
 402 #ifdef WITH_CONTENT_SCAN
 403 BOOL    av_failed              = FALSE;
 404 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 405 #endif
 406
 407 BOOL    background_daemon      = TRUE;
 408
 409 #if BASE_62 == 62
 410 uschar *base62_chars=
 411     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 412 #else
 413 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 414 #endif
 415
 416 uschar *bi_command             = NULL;
 417 uschar *big_buffer             = NULL;
 418 int     big_buffer_size        = BIG_BUFFER_SIZE;
 419 #ifdef EXPERIMENTAL_BRIGHTMAIL
 420 uschar *bmi_alt_location       = NULL;
 421 uschar *bmi_base64_tracker_verdict = NULL;
 422 uschar *bmi_base64_verdict     = NULL;
 423 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 424 int     bmi_deliver            = 1;
 425 int     bmi_run                = 0;
 426 uschar *bmi_verdicts           = NULL;
 427 #endif
 428 int     body_linecount         = 0;
 429 int     body_zerocount         = 0;
 430 uschar *bounce_message_file    = NULL;
 431 uschar *bounce_message_text    = NULL;
 432 uschar *bounce_recipient       = NULL;
 433 BOOL    bounce_return_body     = TRUE;
 434 BOOL    bounce_return_message  = TRUE;
 435 int     bounce_return_size_limit = 100*1024;
 436 uschar *bounce_sender_authentication = NULL;
 437 int     bsmtp_transaction_linecount = 0;
 438
 439 int     callout_cache_domain_positive_expire = 7*24*60*60;
 440 int     callout_cache_domain_negative_expire = 3*60*60;
 441 int     callout_cache_positive_expire = 24*60*60;
 442 int     callout_cache_negative_expire = 2*60*60;
 443 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 444 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 445 int     check_log_inodes       = 0;
 446 int     check_log_space        = 0;
 447 BOOL    check_rfc2047_length   = TRUE;
 448 int     check_spool_inodes     = 0;
 449 int     check_spool_space      = 0;
 450 uschar  *client_authenticator  = NULL;
 451 uschar  *client_authenticated_id = NULL;
 452 uschar  *client_authenticated_sender = NULL;
 453 int     clmacro_count          = 0;
 454 uschar *clmacros[MAX_CLMACROS];
 455 BOOL    config_changed         = FALSE;
 456 FILE   *config_file            = NULL;
 457 uschar *config_filename        = NULL;
 458 int     config_lineno          = 0;
 459 #ifdef CONFIGURE_GROUP
 460 gid_t   config_gid             = CONFIGURE_GROUP;
 461 #endif
 462 uschar *config_main_filelist   = US CONFIGURE_FILE
 463                          "\0<-----------Space to patch configure_filename->";
 464 uschar *config_main_filename   = NULL;
 465
 466 #ifdef CONFIGURE_OWNER
 467 uid_t   config_uid             = CONFIGURE_OWNER;
 468 #endif
 469
 470 int     connection_max_messages= -1;
 471 uschar *continue_hostname      = NULL;
 472 uschar *continue_host_address  = NULL;
 473 BOOL    continue_more          = FALSE;
 474 int     continue_sequence      = 1;
 475 uschar *continue_transport     = NULL;
 476
 477 uschar *csa_status             = NULL;
 478 BOOL    cutthrough_delivery    = FALSE;
 479 int     cutthrough_fd          = -1;
 480
 481 BOOL    daemon_listen          = FALSE;
 482 uschar *daemon_smtp_port       = US"smtp";
 483 int     daemon_startup_retries = 9;
 484 int     daemon_startup_sleep   = 30;
 485
 486 #ifdef EXPERIMENTAL_DBL
 487 int     dbl_defer_errno        = 0;
 488 uschar *dbl_defer_errstr       = NULL;
 489 uschar *dbl_delivery_query     = NULL;
 490 uschar *dbl_delivery_ip        = NULL;
 491 int     dbl_delivery_port      = 0;
 492 uschar *dbl_delivery_fqdn      = NULL;
 493 uschar *dbl_delivery_local_part= NULL;
 494 uschar *dbl_delivery_domain    = NULL;
 495 uschar *dbl_delivery_confirmation = NULL;
 496 #endif
 497
 498 #ifdef EXPERIMENTAL_DCC
 499 BOOL    dcc_direct_add_header  = FALSE;
 500 uschar *dcc_header             = NULL;
 501 uschar *dcc_result             = NULL;
 502 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 503 uschar *dccifd_options         = US"header";
 504 #endif
 505
 506 BOOL    debug_daemon           = FALSE;
 507 int     debug_fd               = -1;
 508 FILE   *debug_file             = NULL;
 509 bit_table debug_options[]      = {
 510   { US"acl",            D_acl },
 511   { US"all",            D_all },
 512   { US"auth",           D_auth },
 513   { US"deliver",        D_deliver },
 514   { US"dns",            D_dns },
 515   { US"dnsbl",          D_dnsbl },
 516   { US"exec",           D_exec },
 517   { US"expand",         D_expand },
 518   { US"filter",         D_filter },
 519   { US"hints_lookup",   D_hints_lookup },
 520   { US"host_lookup",    D_host_lookup },
 521   { US"ident",          D_ident },
 522   { US"interface",      D_interface },
 523   { US"lists",          D_lists },
 524   { US"load",           D_load },
 525   { US"local_scan",     D_local_scan },
 526   { US"lookup",         D_lookup },
 527   { US"memory",         D_memory },
 528   { US"pid",            D_pid },
 529   { US"process_info",   D_process_info },
 530   { US"queue_run",      D_queue_run },
 531   { US"receive",        D_receive },
 532   { US"resolver",       D_resolver },
 533   { US"retry",          D_retry },
 534   { US"rewrite",        D_rewrite },
 535   { US"route",          D_route },
 536   { US"timestamp",      D_timestamp },
 537   { US"tls",            D_tls },
 538   { US"transport",      D_transport },
 539   { US"uid",            D_uid },
 540   { US"verify",         D_verify }
 541 };
 542 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 543 unsigned int debug_selector    = 0;
 544 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 545 uschar *delay_warning_condition=
 546   US"${if or {"
 547             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 548             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 549             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 550             "} {no}{yes}}";
 551 BOOL    delivery_date_remove   = TRUE;
 552 uschar *deliver_address_data   = NULL;
 553 int     deliver_datafile       = -1;
 554 uschar *deliver_domain         = NULL;
 555 uschar *deliver_domain_data    = NULL;
 556 uschar *deliver_domain_orig    = NULL;
 557 uschar *deliver_domain_parent  = NULL;
 558 BOOL    deliver_drop_privilege = FALSE;
 559 BOOL    deliver_firsttime      = FALSE;
 560 BOOL    deliver_force          = FALSE;
 561 BOOL    deliver_freeze         = FALSE;
 562 int     deliver_frozen_at      = 0;
 563 uschar *deliver_home           = NULL;
 564 uschar *deliver_host           = NULL;
 565 uschar *deliver_host_address   = NULL;
 566 uschar *deliver_in_buffer      = NULL;
 567 ino_t   deliver_inode          = 0;
 568 uschar *deliver_localpart      = NULL;
 569 uschar *deliver_localpart_data = NULL;
 570 uschar *deliver_localpart_orig = NULL;
 571 uschar *deliver_localpart_parent = NULL;
 572 uschar *deliver_localpart_prefix = NULL;
 573 uschar *deliver_localpart_suffix = NULL;
 574 BOOL    deliver_force_thaw     = FALSE;
 575 BOOL    deliver_manual_thaw    = FALSE;
 576 uschar *deliver_out_buffer     = NULL;
 577 int     deliver_queue_load_max = -1;
 578 address_item  *deliver_recipients = NULL;
 579 uschar *deliver_selectstring   = NULL;
 580 BOOL    deliver_selectstring_regex = FALSE;
 581 uschar *deliver_selectstring_sender = NULL;
 582 BOOL    deliver_selectstring_sender_regex = FALSE;
 583 #ifdef WITH_OLD_DEMIME
 584 int     demime_errorlevel      = 0;
 585 int     demime_ok              = 0;
 586 uschar *demime_reason          = NULL;
 587 #endif
 588 BOOL    disable_callout_flush  = FALSE;
 589 BOOL    disable_delay_flush    = FALSE;
 590 #ifdef ENABLE_DISABLE_FSYNC
 591 BOOL    disable_fsync          = FALSE;
 592 #endif
 593 BOOL    disable_ipv6           = FALSE;
 594 BOOL    disable_logging        = FALSE;
 595
 596 #ifndef DISABLE_DKIM
 597 uschar *dkim_cur_signer          = NULL;
 598 uschar *dkim_signers             = NULL;
 599 uschar *dkim_signing_domain      = NULL;
 600 uschar *dkim_signing_selector    = NULL;
 601 uschar *dkim_verify_signers      = US"$dkim_signers";
 602 BOOL    dkim_collect_input       = FALSE;
 603 BOOL    dkim_disable_verify      = FALSE;
 604 #endif
 605 #ifdef EXPERIMENTAL_DMARC
 606 BOOL    dmarc_has_been_checked  = FALSE;
 607 uschar *dmarc_ar_header         = NULL;
 608 uschar *dmarc_forensic_sender   = NULL;
 609 uschar *dmarc_history_file      = NULL;
 610 uschar *dmarc_status            = NULL;
 611 uschar *dmarc_status_text       = NULL;
 612 uschar *dmarc_tld_file          = NULL;
 613 uschar *dmarc_used_domain       = NULL;
 614 BOOL    dmarc_disable_verify    = FALSE;
 615 BOOL    dmarc_enable_forensic   = FALSE;
 616 #endif
 617
 618 uschar *dns_again_means_nonexist = NULL;
 619 int     dns_csa_search_limit   = 5;
 620 BOOL    dns_csa_use_reverse    = TRUE;
 621 uschar *dns_ipv4_lookup        = NULL;
 622 int     dns_retrans            = 0;
 623 int     dns_retry              = 0;
 624 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 625 int     dns_use_edns0          = -1; /* <0 = not coerced */
 626 uschar *dnslist_domain         = NULL;
 627 uschar *dnslist_matched        = NULL;
 628 uschar *dnslist_text           = NULL;
 629 uschar *dnslist_value          = NULL;
 630 tree_node *domainlist_anchor   = NULL;
 631 int     domainlist_count       = 0;
 632 BOOL    dont_deliver           = FALSE;
 633 BOOL    dot_ends               = TRUE;
 634 BOOL    drop_cr                = FALSE;         /* No longer used */
 635 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 636
 637 BOOL    enable_dollar_recipients = FALSE;
 638 BOOL    envelope_to_remove     = TRUE;
 639 int     errno_quota            = ERRNO_QUOTA;
 640 uschar *errors_copy            = NULL;
 641 int     error_handling         = ERRORS_SENDER;
 642 uschar *errors_reply_to        = NULL;
 643 int     errors_sender_rc       = EXIT_FAILURE;
 644
 645 gid_t   exim_gid               = EXIM_GID;
 646 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 647 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 648                         "\0<---------------Space to patch exim_path->";
 649 uid_t   exim_uid               = EXIM_UID;
 650 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 651 int     expand_forbid          = 0;
 652 int     expand_nlength[EXPAND_MAXN+1];
 653 int     expand_nmax            = -1;
 654 uschar *expand_nstring[EXPAND_MAXN+1];
 655 BOOL    expand_string_forcedfail = FALSE;
 656 uschar *expand_string_message;
 657 BOOL    extract_addresses_remove_arguments = TRUE;
 658 uschar *extra_local_interfaces = NULL;
 659
 660 int     fake_response          = OK;
 661 uschar *fake_response_text     = US"Your message has been rejected but is "
 662                                    "being kept for evaluation.\nIf it was a "
 663                                    "legitimate message, it may still be "
 664                                    "delivered to the target recipient(s).";
 665 int     filter_n[FILTER_VARIABLE_COUNT];
 666 BOOL    filter_running         = FALSE;
 667 int     filter_sn[FILTER_VARIABLE_COUNT];
 668 int     filter_test            = FTEST_NONE;
 669 uschar *filter_test_sfile      = NULL;
 670 uschar *filter_test_ufile      = NULL;
 671 uschar *filter_thisaddress     = NULL;
 672 int     finduser_retries       = 0;
 673 #ifdef WITH_OLD_DEMIME
 674 uschar *found_extension        = NULL;
 675 #endif
 676 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 677 uschar *freeze_tell            = NULL;
 678 uschar *freeze_tell_config     = NULL;
 679 uschar *fudged_queue_times     = US"";
 680
 681 uschar *gecos_name             = NULL;
 682 uschar *gecos_pattern          = NULL;
 683 rewrite_rule  *global_rewrite_rules = NULL;
 684
 685 uschar *headers_charset        = US HEADERS_CHARSET;
 686 int     header_insert_maxlen   = 64 * 1024;
 687 header_line  *header_last      = NULL;
 688 header_line  *header_list      = NULL;
 689 int     header_maxsize         = HEADER_MAXSIZE;
 690 int     header_line_maxsize    = 0;
 691
 692 header_name header_names[] = {
 693   { US"bcc",            3, TRUE,  htype_bcc },
 694   { US"cc",             2, TRUE,  htype_cc },
 695   { US"date",           4, TRUE,  htype_date },
 696   { US"delivery-date", 13, FALSE, htype_delivery_date },
 697   { US"envelope-to",   11, FALSE, htype_envelope_to },
 698   { US"from",           4, TRUE,  htype_from },
 699   { US"message-id",    10, TRUE,  htype_id },
 700   { US"received",       8, FALSE, htype_received },
 701   { US"reply-to",       8, FALSE, htype_reply_to },
 702   { US"return-path",   11, FALSE, htype_return_path },
 703   { US"sender",         6, TRUE,  htype_sender },
 704   { US"subject",        7, FALSE, htype_subject },
 705   { US"to",             2, TRUE,  htype_to }
 706 };
 707
 708 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 709
 710 BOOL    header_rewritten       = FALSE;
 711 uschar *helo_accept_junk_hosts = NULL;
 712 uschar *helo_allow_chars       = US"";
 713 uschar *helo_lookup_domains    = US"@ : @[]";
 714 uschar *helo_try_verify_hosts  = NULL;
 715 BOOL    helo_verified          = FALSE;
 716 BOOL    helo_verify_failed     = FALSE;
 717 uschar *helo_verify_hosts      = NULL;
 718 const uschar *hex_digits       = CUS"0123456789abcdef";
 719 uschar *hold_domains           = NULL;
 720 BOOL    host_checking          = FALSE;
 721 BOOL    host_checking_callout  = FALSE;
 722 uschar *host_data              = NULL;
 723 BOOL    host_find_failed_syntax= FALSE;
 724 uschar *host_lookup            = NULL;
 725 BOOL    host_lookup_deferred   = FALSE;
 726 BOOL    host_lookup_failed     = FALSE;
 727 uschar *host_lookup_order      = US"bydns:byaddr";
 728 uschar *host_lookup_msg        = US"";
 729 int     host_number            = 0;
 730 uschar *host_number_string     = NULL;
 731 uschar *host_reject_connection = NULL;
 732 tree_node *hostlist_anchor     = NULL;
 733 int     hostlist_count         = 0;
 734 uschar *hosts_treat_as_local   = NULL;
 735 uschar *hosts_connection_nolog = NULL;
 736
 737 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 738 BOOL    ignore_fromline_local  = FALSE;
 739 uschar *ignore_fromline_hosts  = NULL;
 740 BOOL    inetd_wait_mode        = FALSE;
 741 int     inetd_wait_timeout     = -1;
 742 uschar *interface_address      = NULL;
 743 int     interface_port         = -1;
 744 BOOL    is_inetd               = FALSE;
 745 uschar *iterate_item           = NULL;
 746
 747 int     journal_fd             = -1;
 748
 749 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 750
 751 uschar *eldap_dn               = NULL;
 752 int     load_average           = -2;
 753 BOOL    local_error_message    = FALSE;
 754 BOOL    local_from_check       = TRUE;
 755 uschar *local_from_prefix      = NULL;
 756 uschar *local_from_suffix      = NULL;
 757
 758 #if HAVE_IPV6
 759 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 760 #else
 761 uschar *local_interfaces       = US"0.0.0.0";
 762 #endif
 763
 764 uschar *local_scan_data        = NULL;
 765 int     local_scan_timeout     = 5*60;
 766 BOOL    local_sender_retain    = FALSE;
 767 gid_t   local_user_gid         = (gid_t)(-1);
 768 uid_t   local_user_uid         = (uid_t)(-1);
 769
 770 tree_node *localpartlist_anchor= NULL;
 771 int     localpartlist_count    = 0;
 772 uschar *log_buffer             = NULL;
 773 unsigned int log_extra_selector = LX_default;
 774 uschar *log_file_path          = US LOG_FILE_PATH
 775                            "\0<--------------Space to patch log_file_path->";
 776
 777 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 778 are the ones that get put into log_write_selector. They can be used in calls to
 779 log_write() to test for the bit. The options with LX_xxx identifiers have
 780 values greater than 0x80000000 and are put into log_extra_selector (without the
 781 top bit). They are never used in calls to log_write(), but are tested
 782 independently. This separation became necessary when the number of log
 783 selectors was getting close to filling a 32-bit word. */
 784
 785 /* Note that this list must be in alphabetical order. */
 786
 787 bit_table log_options[]        = {
 788   { US"8bitmime",                     LX_8bitmime },
 789   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 790   { US"address_rewrite",              L_address_rewrite },
 791   { US"all",                          L_all },
 792   { US"all_parents",                  L_all_parents },
 793   { US"arguments",                    LX_arguments },
 794   { US"connection_reject",            L_connection_reject },
 795   { US"delay_delivery",               L_delay_delivery },
 796   { US"deliver_time",                 LX_deliver_time },
 797   { US"delivery_size",                LX_delivery_size },
 798   { US"dnslist_defer",                L_dnslist_defer },
 799   { US"etrn",                         L_etrn },
 800   { US"host_lookup_failed",           L_host_lookup_failed },
 801   { US"ident_timeout",                LX_ident_timeout },
 802   { US"incoming_interface",           LX_incoming_interface },
 803   { US"incoming_port",                LX_incoming_port },
 804   { US"lost_incoming_connection",     L_lost_incoming_connection },
 805   { US"outgoing_port",                LX_outgoing_port },
 806   { US"pid",                          LX_pid },
 807   { US"queue_run",                    L_queue_run },
 808   { US"queue_time",                   LX_queue_time },
 809   { US"queue_time_overall",           LX_queue_time_overall },
 810   { US"received_recipients",          LX_received_recipients },
 811   { US"received_sender",              LX_received_sender },
 812   { US"rejected_header",              LX_rejected_header },
 813   { US"rejected_headers",             LX_rejected_header },
 814   { US"retry_defer",                  L_retry_defer },
 815   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 816   { US"sender_on_delivery",           LX_sender_on_delivery },
 817   { US"sender_verify_fail",           LX_sender_verify_fail },
 818   { US"size_reject",                  L_size_reject },
 819   { US"skip_delivery",                L_skip_delivery },
 820   { US"smtp_confirmation",            LX_smtp_confirmation },
 821   { US"smtp_connection",              L_smtp_connection },
 822   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 823   { US"smtp_mailauth",                LX_smtp_mailauth },
 824   { US"smtp_no_mail",                 LX_smtp_no_mail },
 825   { US"smtp_protocol_error",          L_smtp_protocol_error },
 826   { US"smtp_syntax_error",            L_smtp_syntax_error },
 827   { US"subject",                      LX_subject },
 828   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 829   { US"tls_cipher",                   LX_tls_cipher },
 830   { US"tls_peerdn",                   LX_tls_peerdn },
 831   { US"tls_sni",                      LX_tls_sni },
 832   { US"unknown_in_list",              LX_unknown_in_list }
 833 };
 834
 835 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 836 int     log_reject_target      = 0;
 837 uschar *log_selector_string    = NULL;
 838 FILE   *log_stderr             = NULL;
 839 BOOL    log_testing_mode       = FALSE;
 840 BOOL    log_timezone           = FALSE;
 841 unsigned int log_write_selector= L_default;
 842 uschar *login_sender_address   = NULL;
 843 int     lookup_open_max        = 25;
 844 uschar *lookup_value           = NULL;
 845
 846 macro_item  *macros            = NULL;
 847 uschar *mailstore_basename     = NULL;
 848 #ifdef WITH_CONTENT_SCAN
 849 uschar *malware_name           = NULL;  /* Virus Name */
 850 #endif
 851 int     max_received_linelength= 0;
 852 int     max_username_length    = 0;
 853 int     message_age            = 0;
 854 uschar *message_body           = NULL;
 855 uschar *message_body_end       = NULL;
 856 BOOL    message_body_newlines  = FALSE;
 857 int     message_body_size      = 0;
 858 int     message_body_visible   = 500;
 859 int     message_ended          = END_NOTSTARTED;
 860 uschar *message_headers        = NULL;
 861 uschar *message_id;
 862 uschar *message_id_domain      = NULL;
 863 uschar *message_id_text        = NULL;
 864 struct timeval message_id_tv   = { 0, 0 };
 865 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 866 uschar *message_id_external;
 867 int     message_linecount      = 0;
 868 BOOL    message_logs           = TRUE;
 869 int     message_size           = 0;
 870 uschar *message_size_limit     = US"50M";
 871 uschar  message_subdir[2]      = { 0, 0 };
 872 uschar *message_reference      = NULL;
 873
 874 /* MIME ACL expandables */
 875 #ifdef WITH_CONTENT_SCAN
 876 int     mime_anomaly_level     = 0;
 877 const uschar *mime_anomaly_text      = NULL;
 878 uschar *mime_boundary          = NULL;
 879 uschar *mime_charset           = NULL;
 880 uschar *mime_content_description = NULL;
 881 uschar *mime_content_disposition = NULL;
 882 uschar *mime_content_id        = NULL;
 883 unsigned int mime_content_size = 0;
 884 uschar *mime_content_transfer_encoding = NULL;
 885 uschar *mime_content_type      = NULL;
 886 uschar *mime_decoded_filename  = NULL;
 887 uschar *mime_filename          = NULL;
 888 int     mime_is_multipart      = 0;
 889 int     mime_is_coverletter    = 0;
 890 int     mime_is_rfc822         = 0;
 891 int     mime_part_count        = -1;
 892 #endif
 893
 894 BOOL    mua_wrapper            = FALSE;
 895
 896 uid_t  *never_users            = NULL;
 897 #ifdef WITH_CONTENT_SCAN
 898 BOOL    no_mbox_unspool        = FALSE;
 899 #endif
 900 BOOL    no_multiline_responses = FALSE;
 901
 902 uid_t   original_euid;
 903 gid_t   originator_gid;
 904 uschar *originator_login       = NULL;
 905 uschar *originator_name        = NULL;
 906 uid_t   originator_uid;
 907 uschar *override_local_interfaces = NULL;
 908 uschar *override_pid_file_path = NULL;
 909
 910 BOOL    parse_allow_group      = FALSE;
 911 BOOL    parse_found_group      = FALSE;
 912 uschar *percent_hack_domains   = NULL;
 913 uschar *pid_file_path          = US PID_FILE_PATH
 914                            "\0<--------------Space to patch pid_file_path->";
 915 BOOL    pipelining_enable      = TRUE;
 916 uschar *pipelining_advertise_hosts = US"*";
 917 BOOL    preserve_message_logs  = FALSE;
 918 uschar *primary_hostname       = NULL;
 919 BOOL    print_topbitchars      = FALSE;
 920 uschar  process_info[PROCESS_INFO_SIZE];
 921 int     process_info_len       = 0;
 922 uschar *process_log_path       = NULL;
 923 BOOL    prod_requires_admin    = TRUE;
 924 uschar *prvscheck_address      = NULL;
 925 uschar *prvscheck_keynum       = NULL;
 926 uschar *prvscheck_result       = NULL;
 927
 928
 929 uschar *qualify_domain_recipient = NULL;
 930 uschar *qualify_domain_sender  = NULL;
 931 BOOL    queue_2stage           = FALSE;
 932 uschar *queue_domains          = NULL;
 933 int     queue_interval         = -1;
 934 BOOL    queue_list_requires_admin = TRUE;
 935 BOOL    queue_only             = FALSE;
 936 uschar *queue_only_file        = NULL;
 937 int     queue_only_load        = -1;
 938 BOOL    queue_only_load_latch  = TRUE;
 939 BOOL    queue_only_override    = TRUE;
 940 BOOL    queue_only_policy      = FALSE;
 941 BOOL    queue_run_first_delivery = FALSE;
 942 BOOL    queue_run_force        = FALSE;
 943 BOOL    queue_run_in_order     = FALSE;
 944 BOOL    queue_run_local        = FALSE;
 945 int     queue_run_max          = 5;
 946 pid_t   queue_run_pid          = (pid_t)0;
 947 int     queue_run_pipe         = -1;
 948 BOOL    queue_running          = FALSE;
 949 BOOL    queue_smtp             = FALSE;
 950 uschar *queue_smtp_domains     = NULL;
 951
 952 unsigned int random_seed       = 0;
 953 tree_node *ratelimiters_cmd    = NULL;
 954 tree_node *ratelimiters_conn   = NULL;
 955 tree_node *ratelimiters_mail   = NULL;
 956 uschar *raw_active_hostname    = NULL;
 957 uschar *raw_sender             = NULL;
 958 uschar **raw_recipients        = NULL;
 959 int     raw_recipients_count   = 0;
 960
 961 int     rcpt_count             = 0;
 962 int     rcpt_fail_count        = 0;
 963 int     rcpt_defer_count       = 0;
 964 gid_t   real_gid;
 965 uid_t   real_uid;
 966 BOOL    really_exim            = TRUE;
 967 BOOL    receive_call_bombout   = FALSE;
 968 int     receive_linecount      = 0;
 969 int     receive_messagecount   = 0;
 970 int     receive_timeout        = 0;
 971 int     received_count         = 0;
 972 uschar *received_for           = NULL;
 973
 974 /*  This is the default text for Received headers generated by Exim. The
 975 date  will be automatically added on the end. */
 976
 977 uschar *received_header_text   = US
 978      "Received: "
 979      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 980      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 981      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 982      "by $primary_hostname "
 983      "${if def:received_protocol {with $received_protocol}} "
 984      #ifdef SUPPORT_TLS
 985      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 986      #endif
 987      "(Exim $version_number)\n\t"
 988      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 989      "id $message_exim_id"
 990      "${if def:received_for {\n\tfor $received_for}}"
 991      "\0<---------------Space to patch received_header_text->";
 992
 993 int     received_headers_max   = 30;
 994 uschar *received_protocol      = NULL;
 995 int     received_time          = 0;
 996 uschar *recipient_data         = NULL;
 997 uschar *recipient_unqualified_hosts = NULL;
 998 uschar *recipient_verify_failure = NULL;
 999 int     recipients_count       = 0;
1000 BOOL    recipients_discarded   = FALSE;
1001 recipient_item  *recipients_list = NULL;
1002 int     recipients_list_max    = 0;
1003 int     recipients_max         = 0;
1004 BOOL    recipients_max_reject  = FALSE;
1005 const pcre *regex_AUTH         = NULL;
1006 const pcre *regex_check_dns_names = NULL;
1007 const pcre *regex_From         = NULL;
1008 const pcre *regex_IGNOREQUOTA  = NULL;
1009 const pcre *regex_PIPELINING   = NULL;
1010 const pcre *regex_SIZE         = NULL;
1011 const pcre *regex_smtp_code    = NULL;
1012 const pcre *regex_ismsgid      = NULL;
1013 #ifdef WHITELIST_D_MACROS
1014 const pcre *regex_whitelisted_macro = NULL;
1015 #endif
1016 #ifdef WITH_CONTENT_SCAN
1017 uschar *regex_match_string     = NULL;
1018 #endif
1019 int     remote_delivery_count  = 0;
1020 int     remote_max_parallel    = 2;
1021 uschar *remote_sort_domains    = NULL;
1022 int     retry_data_expire      = 7*24*60*60;
1023 int     retry_interval_max     = 24*60*60;
1024 int     retry_maximum_timeout  = 0;        /* set from retry config */
1025 retry_config  *retries         = NULL;
1026 uschar *return_path            = NULL;
1027 BOOL    return_path_remove     = TRUE;
1028 int     rewrite_existflags     = 0;
1029 uschar *rfc1413_hosts          = US"*";
1030 int     rfc1413_query_timeout  = 5;
1031 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1032 uid_t   root_gid               = ROOT_GID;
1033 uid_t   root_uid               = ROOT_UID;
1034
1035 router_instance  *routers  = NULL;
1036 router_instance  router_defaults = {
1037     NULL,                      /* chain pointer */
1038     NULL,                      /* name */
1039     NULL,                      /* info */
1040     NULL,                      /* private options block pointer */
1041     NULL,                      /* driver name */
1042
1043     NULL,                      /* address_data */
1044 #ifdef EXPERIMENTAL_BRIGHTMAIL
1045     NULL,                      /* bmi_rule */
1046 #endif
1047     NULL,                      /* cannot_route_message */
1048     NULL,                      /* condition */
1049     NULL,                      /* current_directory */
1050     NULL,                      /* debug_string */
1051     NULL,                      /* domains */
1052     NULL,                      /* errors_to */
1053     NULL,                      /* expand_gid */
1054     NULL,                      /* expand_uid */
1055     NULL,                      /* expand_more */
1056     NULL,                      /* expand_unseen */
1057     NULL,                      /* extra_headers */
1058     NULL,                      /* fallback_hosts */
1059     NULL,                      /* home_directory */
1060     NULL,                      /* ignore_target_hosts */
1061     NULL,                      /* local_parts */
1062     NULL,                      /* pass_router_name */
1063     NULL,                      /* prefix */
1064     NULL,                      /* redirect_router_name */
1065     NULL,                      /* remove_headers */
1066     NULL,                      /* require_files */
1067     NULL,                      /* router_home_directory */
1068     US"freeze",                /* self */
1069     NULL,                      /* senders */
1070     NULL,                      /* suffix */
1071     NULL,                      /* translate_ip_address */
1072     NULL,                      /* transport_name */
1073
1074     TRUE,                      /* address_test */
1075 #ifdef EXPERIMENTAL_BRIGHTMAIL
1076     FALSE,                     /* bmi_deliver_alternate */
1077     FALSE,                     /* bmi_deliver_default */
1078     FALSE,                     /* bmi_dont_deliver */
1079 #endif
1080     TRUE,                      /* expn */
1081     FALSE,                     /* caseful_local_part */
1082     FALSE,                     /* check_local_user */
1083     FALSE,                     /* disable_logging */
1084     FALSE,                     /* fail_verify_recipient */
1085     FALSE,                     /* fail_verify_sender */
1086     FALSE,                     /* gid_set */
1087     FALSE,                     /* initgroups */
1088     TRUE_UNSET,                /* log_as_local */
1089     TRUE,                      /* more */
1090     FALSE,                     /* pass_on_timeout */
1091     FALSE,                     /* prefix_optional */
1092     TRUE,                      /* repeat_use */
1093     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1094     FALSE,                     /* same_domain_copy_routing */
1095     FALSE,                     /* self_rewrite */
1096     FALSE,                     /* suffix_optional */
1097     FALSE,                     /* verify_only */
1098     TRUE,                      /* verify_recipient */
1099     TRUE,                      /* verify_sender */
1100     FALSE,                     /* uid_set */
1101     FALSE,                     /* unseen */
1102
1103     self_freeze,               /* self_code */
1104     (uid_t)(-1),               /* uid */
1105     (gid_t)(-1),               /* gid */
1106
1107     NULL,                      /* fallback_hostlist */
1108     NULL,                      /* transport instance */
1109     NULL,                      /* pass_router */
1110     NULL                       /* redirect_router */
1111 };
1112
1113 uschar *router_name            = NULL;
1114
1115 ip_address_item *running_interfaces = NULL;
1116 BOOL    running_in_test_harness = FALSE;
1117
1118 /* This is a weird one. The following string gets patched in the binary by the
1119 script that sets up a copy of Exim for running in the test harness. It seems
1120 that compilers are now clever, and share constant strings if they can.
1121 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1122 make use of the end of this string in order to save space. So the patching then
1123 wrecks this. We defeat this optimization by adding some additional characters
1124 onto the end of the string. */
1125
1126 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1127
1128 int     runrc                  = 0;
1129
1130 uschar *search_error_message   = NULL;
1131 BOOL    search_find_defer      = FALSE;
1132 uschar *self_hostname          = NULL;
1133 uschar *sender_address         = NULL;
1134 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1135 uschar *sender_address_data    = NULL;
1136 BOOL    sender_address_forced  = FALSE;
1137 uschar *sender_address_unrewritten = NULL;
1138 uschar *sender_data            = NULL;
1139 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1140 uschar *sender_fullhost        = NULL;
1141 uschar *sender_helo_name       = NULL;
1142 uschar **sender_host_aliases   = &no_aliases;
1143 uschar *sender_host_address    = NULL;
1144 uschar *sender_host_authenticated = NULL;
1145 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1146 BOOL    sender_host_dnssec     = FALSE;
1147 uschar *sender_host_name       = NULL;
1148 int     sender_host_port       = 0;
1149 BOOL    sender_host_notsocket  = FALSE;
1150 BOOL    sender_host_unknown    = FALSE;
1151 uschar *sender_ident           = NULL;
1152 BOOL    sender_local           = FALSE;
1153 BOOL    sender_name_forced     = FALSE;
1154 uschar *sender_rate            = NULL;
1155 uschar *sender_rate_limit      = NULL;
1156 uschar *sender_rate_period     = NULL;
1157 uschar *sender_rcvhost         = NULL;
1158 BOOL    sender_set_untrusted   = FALSE;
1159 uschar *sender_unqualified_hosts = NULL;
1160 uschar *sender_verify_failure = NULL;
1161 address_item *sender_verified_list  = NULL;
1162 address_item *sender_verified_failed = NULL;
1163 int     sender_verified_rc     = -1;
1164 BOOL    sender_verified_responded = FALSE;
1165 uschar *sending_ip_address     = NULL;
1166 int     sending_port           = -1;
1167 SIGNAL_BOOL sigalrm_seen       = FALSE;
1168 uschar **sighup_argv           = NULL;
1169 int     smtp_accept_count      = 0;
1170 BOOL    smtp_accept_keepalive  = TRUE;
1171 int     smtp_accept_max        = 20;
1172 int     smtp_accept_max_nonmail= 10;
1173 uschar *smtp_accept_max_nonmail_hosts = US"*";
1174 int     smtp_accept_max_per_connection = 1000;
1175 uschar *smtp_accept_max_per_host = NULL;
1176 int     smtp_accept_queue      = 0;
1177 int     smtp_accept_queue_per_connection = 10;
1178 int     smtp_accept_reserve    = 0;
1179 uschar *smtp_active_hostname   = NULL;
1180 BOOL    smtp_authenticated     = FALSE;
1181 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1182                              "Exim $version_number $tod_full"
1183                              "\0<---------------Space to patch smtp_banner->";
1184 BOOL    smtp_batched_input     = FALSE;
1185 BOOL    smtp_check_spool_space = TRUE;
1186 int     smtp_ch_index          = 0;
1187 uschar *smtp_cmd_argument      = NULL;
1188 uschar *smtp_cmd_buffer        = NULL;
1189 time_t  smtp_connection_start  = 0;
1190 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1191 int     smtp_connect_backlog   = 20;
1192 double  smtp_delay_mail        = 0.0;
1193 double  smtp_delay_rcpt        = 0.0;
1194 BOOL    smtp_enforce_sync      = TRUE;
1195 FILE   *smtp_in                = NULL;
1196 BOOL    smtp_input             = FALSE;
1197 int     smtp_load_reserve      = -1;
1198 int     smtp_mailcmd_count     = 0;
1199 FILE   *smtp_out               = NULL;
1200 uschar *smtp_etrn_command      = NULL;
1201 BOOL    smtp_etrn_serialize    = TRUE;
1202 int     smtp_max_synprot_errors= 3;
1203 int     smtp_max_unknown_commands = 3;
1204 uschar *smtp_notquit_reason    = NULL;
1205 uschar *smtp_ratelimit_hosts   = NULL;
1206 uschar *smtp_ratelimit_mail    = NULL;
1207 uschar *smtp_ratelimit_rcpt    = NULL;
1208 uschar *smtp_read_error        = US"";
1209 int     smtp_receive_timeout   = 5*60;
1210 uschar *smtp_reserve_hosts     = NULL;
1211 BOOL    smtp_return_error_details = FALSE;
1212 int     smtp_rlm_base          = 0;
1213 double  smtp_rlm_factor        = 0.0;
1214 int     smtp_rlm_limit         = 0;
1215 int     smtp_rlm_threshold     = INT_MAX;
1216 int     smtp_rlr_base          = 0;
1217 double  smtp_rlr_factor        = 0.0;
1218 int     smtp_rlr_limit         = 0;
1219 int     smtp_rlr_threshold     = INT_MAX;
1220 BOOL    smtp_use_pipelining    = FALSE;
1221 BOOL    smtp_use_size          = FALSE;
1222
1223 #ifdef WITH_CONTENT_SCAN
1224 uschar *spamd_address          = US"127.0.0.1 783";
1225 uschar *spam_bar               = NULL;
1226 uschar *spam_report            = NULL;
1227 uschar *spam_score             = NULL;
1228 uschar *spam_score_int         = NULL;
1229 #endif
1230 #ifdef EXPERIMENTAL_SPF
1231 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1232 uschar *spf_header_comment     = NULL;
1233 uschar *spf_received           = NULL;
1234 uschar *spf_result             = NULL;
1235 uschar *spf_smtp_comment       = NULL;
1236 #endif
1237
1238 BOOL    split_spool_directory  = FALSE;
1239 uschar *spool_directory        = US SPOOL_DIRECTORY
1240                            "\0<--------------Space to patch spool_directory->";
1241 #ifdef EXPERIMENTAL_SRS
1242 uschar *srs_config             = NULL;
1243 uschar *srs_db_address         = NULL;
1244 uschar *srs_db_key             = NULL;
1245 int     srs_hashlength         = 6;
1246 int     srs_hashmin            = -1;
1247 int     srs_maxage             = 31;
1248 uschar *srs_orig_recipient     = NULL;
1249 uschar *srs_orig_sender        = NULL;
1250 uschar *srs_recipient          = NULL;
1251 uschar *srs_secrets            = NULL;
1252 uschar *srs_status             = NULL;
1253 BOOL    srs_usehash            = TRUE;
1254 BOOL    srs_usetimestamp       = TRUE;
1255 #endif
1256 BOOL    strict_acl_vars        = FALSE;
1257 int     string_datestamp_offset= -1;
1258 int     string_datestamp_length= 0;
1259 int     string_datestamp_type  = -1;
1260 BOOL    strip_excess_angle_brackets = FALSE;
1261 BOOL    strip_trailing_dot     = FALSE;
1262 uschar *submission_domain      = NULL;
1263 BOOL    submission_mode        = FALSE;
1264 uschar *submission_name        = NULL;
1265 BOOL    suppress_local_fixups  = FALSE;
1266 BOOL    suppress_local_fixups_default = FALSE;
1267 BOOL    synchronous_delivery   = FALSE;
1268 BOOL    syslog_duplication     = TRUE;
1269 int     syslog_facility        = LOG_MAIL;
1270 uschar *syslog_processname     = US"exim";
1271 BOOL    syslog_timestamp       = TRUE;
1272 uschar *system_filter          = NULL;
1273
1274 uschar *system_filter_directory_transport = NULL;
1275 uschar *system_filter_file_transport = NULL;
1276 uschar *system_filter_pipe_transport = NULL;
1277 uschar *system_filter_reply_transport = NULL;
1278
1279 gid_t   system_filter_gid      = 0;
1280 BOOL    system_filter_gid_set  = FALSE;
1281 uid_t   system_filter_uid      = (uid_t)-1;
1282 BOOL    system_filter_uid_set  = FALSE;
1283 BOOL    system_filtering       = FALSE;
1284
1285 BOOL    tcp_nodelay            = TRUE;
1286 #ifdef USE_TCP_WRAPPERS
1287 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1288 #endif
1289 int     test_harness_load_avg  = 0;
1290 int     thismessage_size_limit = 0;
1291 int     timeout_frozen_after   = 0;
1292 BOOL    timestamps_utc         = FALSE;
1293
1294 transport_instance  *transports = NULL;
1295
1296 transport_instance  transport_defaults = {
1297     NULL,                     /* chain pointer */
1298     NULL,                     /* name */
1299     NULL,                     /* info */
1300     NULL,                     /* private options block pointer */
1301     NULL,                     /* driver name */
1302     NULL,                     /* setup entry point */
1303     1,                        /* batch_max */
1304     NULL,                     /* batch_id */
1305     NULL,                     /* home_dir */
1306     NULL,                     /* current_dir */
1307     TRUE,                     /* multi-domain */
1308     FALSE,                    /* overrides_hosts */
1309     100,                      /* max_addresses */
1310     500,                      /* connection_max_messages */
1311     FALSE,                    /* deliver_as_creator */
1312     FALSE,                    /* disable_logging */
1313     FALSE,                    /* initgroups */
1314     FALSE,                    /* uid_set */
1315     FALSE,                    /* gid_set */
1316     (uid_t)(-1),              /* uid */
1317     (gid_t)(-1),              /* gid */
1318     NULL,                     /* expand_uid */
1319     NULL,                     /* expand_gid */
1320     NULL,                     /* warn_message */
1321     NULL,                     /* shadow */
1322     NULL,                     /* shadow_condition */
1323     NULL,                     /* filter_command */
1324     NULL,                     /* add_headers */
1325     NULL,                     /* remove_headers */
1326     NULL,                     /* return_path */
1327     NULL,                     /* debug_string */
1328     NULL,                     /* message_size_limit */
1329     NULL,                     /* headers_rewrite */
1330     NULL,                     /* rewrite_rules */
1331     0,                        /* rewrite_existflags */
1332     300,                      /* filter_timeout */
1333     FALSE,                    /* body_only */
1334     FALSE,                    /* delivery_date_add */
1335     FALSE,                    /* envelope_to_add */
1336     FALSE,                    /* headers_only */
1337     FALSE,                    /* rcpt_include_affixes */
1338     FALSE,                    /* return_path_add */
1339     FALSE,                    /* return_output */
1340     FALSE,                    /* return_fail_output */
1341     FALSE,                    /* log_output */
1342     FALSE,                    /* log_fail_output */
1343     FALSE,                    /* log_defer_output */
1344     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1345                                  1 nor 0 so can detect unset */
1346 };
1347
1348 int     transport_count;
1349 uschar *transport_name          = NULL;
1350 int     transport_newlines;
1351 uschar **transport_filter_argv  = NULL;
1352 int     transport_filter_timeout;
1353 BOOL    transport_filter_timed_out = FALSE;
1354 int     transport_write_timeout= 0;
1355
1356 tree_node  *tree_dns_fails     = NULL;
1357 tree_node  *tree_duplicates    = NULL;
1358 tree_node  *tree_nonrecipients = NULL;
1359 tree_node  *tree_unusable      = NULL;
1360
1361 BOOL    trusted_caller         = FALSE;
1362 BOOL    trusted_config         = TRUE;
1363 gid_t  *trusted_groups         = NULL;
1364 uid_t  *trusted_users          = NULL;
1365 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1366
1367 uschar *unknown_login          = NULL;
1368 uschar *unknown_username       = NULL;
1369 uschar *untrusted_set_sender   = NULL;
1370
1371 /*  A regex for matching a "From_" line in an incoming message, in the form
1372
1373     From ph10 Fri Jan  5 12:35 GMT 1996
1374
1375 which  the "mail" commands send to the MTA (undocumented, of course), or in
1376 the  form
1377
1378     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1379
1380 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1381 Because  of variations in time formats, just match up to the minutes. That
1382 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1383 so  just require one digit for hours and minutes. The weekday is also absent
1384 in  some forms. */
1385
1386 uschar *uucp_from_pattern      = US
1387    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1388    "(?:"                                          /* Non-extracting bracket */
1389    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1390    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1391    ")"                                            /* End alternation */
1392    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1393
1394 uschar *uucp_from_sender       = US"$1";
1395
1396 uschar *warn_message_file      = NULL;
1397 uschar *warnmsg_delay          = NULL;
1398 uschar *warnmsg_recipients     = NULL;
1399 BOOL    write_rejectlog        = TRUE;
1400
1401 uschar *version_copyright      =
1402  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1403    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1404 uschar *version_date           = US"?";
1405 uschar *version_cnumber        = US"????";
1406 uschar *version_string         = US"?";
1407
1408 int     warning_count          = 0;
1409
1410 /*  End of globals.c */