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_ip        = NULL;
 490 int     dbl_delivery_port      = 0;
 491 uschar *dbl_delivery_fqdn      = NULL;
 492 uschar *dbl_delivery_local_part= NULL;
 493 uschar *dbl_delivery_domain    = NULL;
 494 uschar *dbl_delivery_confirmation = NULL;
 495 #endif
 496
 497 #ifdef EXPERIMENTAL_DCC
 498 BOOL    dcc_direct_add_header  = FALSE;
 499 uschar *dcc_header             = NULL;
 500 uschar *dcc_result             = NULL;
 501 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 502 uschar *dccifd_options         = US"header";
 503 #endif
 504
 505 BOOL    debug_daemon           = FALSE;
 506 int     debug_fd               = -1;
 507 FILE   *debug_file             = NULL;
 508 bit_table debug_options[]      = {
 509   { US"acl",            D_acl },
 510   { US"all",            D_all },
 511   { US"auth",           D_auth },
 512   { US"deliver",        D_deliver },
 513   { US"dns",            D_dns },
 514   { US"dnsbl",          D_dnsbl },
 515   { US"exec",           D_exec },
 516   { US"expand",         D_expand },
 517   { US"filter",         D_filter },
 518   { US"hints_lookup",   D_hints_lookup },
 519   { US"host_lookup",    D_host_lookup },
 520   { US"ident",          D_ident },
 521   { US"interface",      D_interface },
 522   { US"lists",          D_lists },
 523   { US"load",           D_load },
 524   { US"local_scan",     D_local_scan },
 525   { US"lookup",         D_lookup },
 526   { US"memory",         D_memory },
 527   { US"pid",            D_pid },
 528   { US"process_info",   D_process_info },
 529   { US"queue_run",      D_queue_run },
 530   { US"receive",        D_receive },
 531   { US"resolver",       D_resolver },
 532   { US"retry",          D_retry },
 533   { US"rewrite",        D_rewrite },
 534   { US"route",          D_route },
 535   { US"timestamp",      D_timestamp },
 536   { US"tls",            D_tls },
 537   { US"transport",      D_transport },
 538   { US"uid",            D_uid },
 539   { US"verify",         D_verify }
 540 };
 541 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 542 unsigned int debug_selector    = 0;
 543 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 544 uschar *delay_warning_condition=
 545   US"${if or {"
 546             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 547             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 548             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 549             "} {no}{yes}}";
 550 BOOL    delivery_date_remove   = TRUE;
 551 uschar *deliver_address_data   = NULL;
 552 int     deliver_datafile       = -1;
 553 uschar *deliver_domain         = NULL;
 554 uschar *deliver_domain_data    = NULL;
 555 uschar *deliver_domain_orig    = NULL;
 556 uschar *deliver_domain_parent  = NULL;
 557 BOOL    deliver_drop_privilege = FALSE;
 558 BOOL    deliver_firsttime      = FALSE;
 559 BOOL    deliver_force          = FALSE;
 560 BOOL    deliver_freeze         = FALSE;
 561 int     deliver_frozen_at      = 0;
 562 uschar *deliver_home           = NULL;
 563 uschar *deliver_host           = NULL;
 564 uschar *deliver_host_address   = NULL;
 565 uschar *deliver_in_buffer      = NULL;
 566 ino_t   deliver_inode          = 0;
 567 uschar *deliver_localpart      = NULL;
 568 uschar *deliver_localpart_data = NULL;
 569 uschar *deliver_localpart_orig = NULL;
 570 uschar *deliver_localpart_parent = NULL;
 571 uschar *deliver_localpart_prefix = NULL;
 572 uschar *deliver_localpart_suffix = NULL;
 573 BOOL    deliver_force_thaw     = FALSE;
 574 BOOL    deliver_manual_thaw    = FALSE;
 575 uschar *deliver_out_buffer     = NULL;
 576 int     deliver_queue_load_max = -1;
 577 address_item  *deliver_recipients = NULL;
 578 uschar *deliver_selectstring   = NULL;
 579 BOOL    deliver_selectstring_regex = FALSE;
 580 uschar *deliver_selectstring_sender = NULL;
 581 BOOL    deliver_selectstring_sender_regex = FALSE;
 582 #ifdef WITH_OLD_DEMIME
 583 int     demime_errorlevel      = 0;
 584 int     demime_ok              = 0;
 585 uschar *demime_reason          = NULL;
 586 #endif
 587 BOOL    disable_callout_flush  = FALSE;
 588 BOOL    disable_delay_flush    = FALSE;
 589 #ifdef ENABLE_DISABLE_FSYNC
 590 BOOL    disable_fsync          = FALSE;
 591 #endif
 592 BOOL    disable_ipv6           = FALSE;
 593 BOOL    disable_logging        = FALSE;
 594
 595 #ifndef DISABLE_DKIM
 596 uschar *dkim_cur_signer          = NULL;
 597 uschar *dkim_signers             = NULL;
 598 uschar *dkim_signing_domain      = NULL;
 599 uschar *dkim_signing_selector    = NULL;
 600 uschar *dkim_verify_signers      = US"$dkim_signers";
 601 BOOL    dkim_collect_input       = FALSE;
 602 BOOL    dkim_disable_verify      = FALSE;
 603 #endif
 604 #ifdef EXPERIMENTAL_DMARC
 605 BOOL    dmarc_has_been_checked  = FALSE;
 606 uschar *dmarc_ar_header         = NULL;
 607 uschar *dmarc_forensic_sender   = NULL;
 608 uschar *dmarc_history_file      = NULL;
 609 uschar *dmarc_status            = NULL;
 610 uschar *dmarc_status_text       = NULL;
 611 uschar *dmarc_tld_file          = NULL;
 612 uschar *dmarc_used_domain       = NULL;
 613 BOOL    dmarc_disable_verify    = FALSE;
 614 BOOL    dmarc_enable_forensic   = FALSE;
 615 #endif
 616
 617 uschar *dns_again_means_nonexist = NULL;
 618 int     dns_csa_search_limit   = 5;
 619 BOOL    dns_csa_use_reverse    = TRUE;
 620 uschar *dns_ipv4_lookup        = NULL;
 621 int     dns_retrans            = 0;
 622 int     dns_retry              = 0;
 623 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 624 int     dns_use_edns0          = -1; /* <0 = not coerced */
 625 uschar *dnslist_domain         = NULL;
 626 uschar *dnslist_matched        = NULL;
 627 uschar *dnslist_text           = NULL;
 628 uschar *dnslist_value          = NULL;
 629 tree_node *domainlist_anchor   = NULL;
 630 int     domainlist_count       = 0;
 631 BOOL    dont_deliver           = FALSE;
 632 BOOL    dot_ends               = TRUE;
 633 BOOL    drop_cr                = FALSE;         /* No longer used */
 634 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 635
 636 BOOL    enable_dollar_recipients = FALSE;
 637 BOOL    envelope_to_remove     = TRUE;
 638 int     errno_quota            = ERRNO_QUOTA;
 639 uschar *errors_copy            = NULL;
 640 int     error_handling         = ERRORS_SENDER;
 641 uschar *errors_reply_to        = NULL;
 642 int     errors_sender_rc       = EXIT_FAILURE;
 643
 644 gid_t   exim_gid               = EXIM_GID;
 645 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 646 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 647                         "\0<---------------Space to patch exim_path->";
 648 uid_t   exim_uid               = EXIM_UID;
 649 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 650 int     expand_forbid          = 0;
 651 int     expand_nlength[EXPAND_MAXN+1];
 652 int     expand_nmax            = -1;
 653 uschar *expand_nstring[EXPAND_MAXN+1];
 654 BOOL    expand_string_forcedfail = FALSE;
 655 uschar *expand_string_message;
 656 BOOL    extract_addresses_remove_arguments = TRUE;
 657 uschar *extra_local_interfaces = NULL;
 658
 659 int     fake_response          = OK;
 660 uschar *fake_response_text     = US"Your message has been rejected but is "
 661                                    "being kept for evaluation.\nIf it was a "
 662                                    "legitimate message, it may still be "
 663                                    "delivered to the target recipient(s).";
 664 int     filter_n[FILTER_VARIABLE_COUNT];
 665 BOOL    filter_running         = FALSE;
 666 int     filter_sn[FILTER_VARIABLE_COUNT];
 667 int     filter_test            = FTEST_NONE;
 668 uschar *filter_test_sfile      = NULL;
 669 uschar *filter_test_ufile      = NULL;
 670 uschar *filter_thisaddress     = NULL;
 671 int     finduser_retries       = 0;
 672 #ifdef WITH_OLD_DEMIME
 673 uschar *found_extension        = NULL;
 674 #endif
 675 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 676 uschar *freeze_tell            = NULL;
 677 uschar *freeze_tell_config     = NULL;
 678 uschar *fudged_queue_times     = US"";
 679
 680 uschar *gecos_name             = NULL;
 681 uschar *gecos_pattern          = NULL;
 682 rewrite_rule  *global_rewrite_rules = NULL;
 683
 684 uschar *headers_charset        = US HEADERS_CHARSET;
 685 int     header_insert_maxlen   = 64 * 1024;
 686 header_line  *header_last      = NULL;
 687 header_line  *header_list      = NULL;
 688 int     header_maxsize         = HEADER_MAXSIZE;
 689 int     header_line_maxsize    = 0;
 690
 691 header_name header_names[] = {
 692   { US"bcc",            3, TRUE,  htype_bcc },
 693   { US"cc",             2, TRUE,  htype_cc },
 694   { US"date",           4, TRUE,  htype_date },
 695   { US"delivery-date", 13, FALSE, htype_delivery_date },
 696   { US"envelope-to",   11, FALSE, htype_envelope_to },
 697   { US"from",           4, TRUE,  htype_from },
 698   { US"message-id",    10, TRUE,  htype_id },
 699   { US"received",       8, FALSE, htype_received },
 700   { US"reply-to",       8, FALSE, htype_reply_to },
 701   { US"return-path",   11, FALSE, htype_return_path },
 702   { US"sender",         6, TRUE,  htype_sender },
 703   { US"subject",        7, FALSE, htype_subject },
 704   { US"to",             2, TRUE,  htype_to }
 705 };
 706
 707 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 708
 709 BOOL    header_rewritten       = FALSE;
 710 uschar *helo_accept_junk_hosts = NULL;
 711 uschar *helo_allow_chars       = US"";
 712 uschar *helo_lookup_domains    = US"@ : @[]";
 713 uschar *helo_try_verify_hosts  = NULL;
 714 BOOL    helo_verified          = FALSE;
 715 BOOL    helo_verify_failed     = FALSE;
 716 uschar *helo_verify_hosts      = NULL;
 717 const uschar *hex_digits       = CUS"0123456789abcdef";
 718 uschar *hold_domains           = NULL;
 719 BOOL    host_checking          = FALSE;
 720 BOOL    host_checking_callout  = FALSE;
 721 uschar *host_data              = NULL;
 722 BOOL    host_find_failed_syntax= FALSE;
 723 uschar *host_lookup            = NULL;
 724 BOOL    host_lookup_deferred   = FALSE;
 725 BOOL    host_lookup_failed     = FALSE;
 726 uschar *host_lookup_order      = US"bydns:byaddr";
 727 uschar *host_lookup_msg        = US"";
 728 int     host_number            = 0;
 729 uschar *host_number_string     = NULL;
 730 uschar *host_reject_connection = NULL;
 731 tree_node *hostlist_anchor     = NULL;
 732 int     hostlist_count         = 0;
 733 uschar *hosts_treat_as_local   = NULL;
 734 uschar *hosts_connection_nolog = NULL;
 735
 736 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 737 BOOL    ignore_fromline_local  = FALSE;
 738 uschar *ignore_fromline_hosts  = NULL;
 739 BOOL    inetd_wait_mode        = FALSE;
 740 int     inetd_wait_timeout     = -1;
 741 uschar *interface_address      = NULL;
 742 int     interface_port         = -1;
 743 BOOL    is_inetd               = FALSE;
 744 uschar *iterate_item           = NULL;
 745
 746 int     journal_fd             = -1;
 747
 748 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 749
 750 uschar *eldap_dn               = NULL;
 751 int     load_average           = -2;
 752 BOOL    local_error_message    = FALSE;
 753 BOOL    local_from_check       = TRUE;
 754 uschar *local_from_prefix      = NULL;
 755 uschar *local_from_suffix      = NULL;
 756
 757 #if HAVE_IPV6
 758 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 759 #else
 760 uschar *local_interfaces       = US"0.0.0.0";
 761 #endif
 762
 763 uschar *local_scan_data        = NULL;
 764 int     local_scan_timeout     = 5*60;
 765 BOOL    local_sender_retain    = FALSE;
 766 gid_t   local_user_gid         = (gid_t)(-1);
 767 uid_t   local_user_uid         = (uid_t)(-1);
 768
 769 tree_node *localpartlist_anchor= NULL;
 770 int     localpartlist_count    = 0;
 771 uschar *log_buffer             = NULL;
 772 unsigned int log_extra_selector = LX_default;
 773 uschar *log_file_path          = US LOG_FILE_PATH
 774                            "\0<--------------Space to patch log_file_path->";
 775
 776 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 777 are the ones that get put into log_write_selector. They can be used in calls to
 778 log_write() to test for the bit. The options with LX_xxx identifiers have
 779 values greater than 0x80000000 and are put into log_extra_selector (without the
 780 top bit). They are never used in calls to log_write(), but are tested
 781 independently. This separation became necessary when the number of log
 782 selectors was getting close to filling a 32-bit word. */
 783
 784 /* Note that this list must be in alphabetical order. */
 785
 786 bit_table log_options[]        = {
 787   { US"8bitmime",                     LX_8bitmime },
 788   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 789   { US"address_rewrite",              L_address_rewrite },
 790   { US"all",                          L_all },
 791   { US"all_parents",                  L_all_parents },
 792   { US"arguments",                    LX_arguments },
 793   { US"connection_reject",            L_connection_reject },
 794   { US"delay_delivery",               L_delay_delivery },
 795   { US"deliver_time",                 LX_deliver_time },
 796   { US"delivery_size",                LX_delivery_size },
 797   { US"dnslist_defer",                L_dnslist_defer },
 798   { US"etrn",                         L_etrn },
 799   { US"host_lookup_failed",           L_host_lookup_failed },
 800   { US"ident_timeout",                LX_ident_timeout },
 801   { US"incoming_interface",           LX_incoming_interface },
 802   { US"incoming_port",                LX_incoming_port },
 803   { US"lost_incoming_connection",     L_lost_incoming_connection },
 804   { US"outgoing_port",                LX_outgoing_port },
 805   { US"pid",                          LX_pid },
 806   { US"queue_run",                    L_queue_run },
 807   { US"queue_time",                   LX_queue_time },
 808   { US"queue_time_overall",           LX_queue_time_overall },
 809   { US"received_recipients",          LX_received_recipients },
 810   { US"received_sender",              LX_received_sender },
 811   { US"rejected_header",              LX_rejected_header },
 812   { US"rejected_headers",             LX_rejected_header },
 813   { US"retry_defer",                  L_retry_defer },
 814   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 815   { US"sender_on_delivery",           LX_sender_on_delivery },
 816   { US"sender_verify_fail",           LX_sender_verify_fail },
 817   { US"size_reject",                  L_size_reject },
 818   { US"skip_delivery",                L_skip_delivery },
 819   { US"smtp_confirmation",            LX_smtp_confirmation },
 820   { US"smtp_connection",              L_smtp_connection },
 821   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 822   { US"smtp_mailauth",                LX_smtp_mailauth },
 823   { US"smtp_no_mail",                 LX_smtp_no_mail },
 824   { US"smtp_protocol_error",          L_smtp_protocol_error },
 825   { US"smtp_syntax_error",            L_smtp_syntax_error },
 826   { US"subject",                      LX_subject },
 827   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 828   { US"tls_cipher",                   LX_tls_cipher },
 829   { US"tls_peerdn",                   LX_tls_peerdn },
 830   { US"tls_sni",                      LX_tls_sni },
 831   { US"unknown_in_list",              LX_unknown_in_list }
 832 };
 833
 834 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 835 int     log_reject_target      = 0;
 836 uschar *log_selector_string    = NULL;
 837 FILE   *log_stderr             = NULL;
 838 BOOL    log_testing_mode       = FALSE;
 839 BOOL    log_timezone           = FALSE;
 840 unsigned int log_write_selector= L_default;
 841 uschar *login_sender_address   = NULL;
 842 int     lookup_open_max        = 25;
 843 uschar *lookup_value           = NULL;
 844
 845 macro_item  *macros            = NULL;
 846 uschar *mailstore_basename     = NULL;
 847 #ifdef WITH_CONTENT_SCAN
 848 uschar *malware_name           = NULL;  /* Virus Name */
 849 #endif
 850 int     max_received_linelength= 0;
 851 int     max_username_length    = 0;
 852 int     message_age            = 0;
 853 uschar *message_body           = NULL;
 854 uschar *message_body_end       = NULL;
 855 BOOL    message_body_newlines  = FALSE;
 856 int     message_body_size      = 0;
 857 int     message_body_visible   = 500;
 858 int     message_ended          = END_NOTSTARTED;
 859 uschar *message_headers        = NULL;
 860 uschar *message_id;
 861 uschar *message_id_domain      = NULL;
 862 uschar *message_id_text        = NULL;
 863 struct timeval message_id_tv   = { 0, 0 };
 864 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 865 uschar *message_id_external;
 866 int     message_linecount      = 0;
 867 BOOL    message_logs           = TRUE;
 868 int     message_size           = 0;
 869 uschar *message_size_limit     = US"50M";
 870 uschar  message_subdir[2]      = { 0, 0 };
 871 uschar *message_reference      = NULL;
 872
 873 /* MIME ACL expandables */
 874 #ifdef WITH_CONTENT_SCAN
 875 int     mime_anomaly_level     = 0;
 876 const uschar *mime_anomaly_text      = NULL;
 877 uschar *mime_boundary          = NULL;
 878 uschar *mime_charset           = NULL;
 879 uschar *mime_content_description = NULL;
 880 uschar *mime_content_disposition = NULL;
 881 uschar *mime_content_id        = NULL;
 882 unsigned int mime_content_size = 0;
 883 uschar *mime_content_transfer_encoding = NULL;
 884 uschar *mime_content_type      = NULL;
 885 uschar *mime_decoded_filename  = NULL;
 886 uschar *mime_filename          = NULL;
 887 int     mime_is_multipart      = 0;
 888 int     mime_is_coverletter    = 0;
 889 int     mime_is_rfc822         = 0;
 890 int     mime_part_count        = -1;
 891 #endif
 892
 893 BOOL    mua_wrapper            = FALSE;
 894
 895 uid_t  *never_users            = NULL;
 896 #ifdef WITH_CONTENT_SCAN
 897 BOOL    no_mbox_unspool        = FALSE;
 898 #endif
 899 BOOL    no_multiline_responses = FALSE;
 900
 901 uid_t   original_euid;
 902 gid_t   originator_gid;
 903 uschar *originator_login       = NULL;
 904 uschar *originator_name        = NULL;
 905 uid_t   originator_uid;
 906 uschar *override_local_interfaces = NULL;
 907 uschar *override_pid_file_path = NULL;
 908
 909 BOOL    parse_allow_group      = FALSE;
 910 BOOL    parse_found_group      = FALSE;
 911 uschar *percent_hack_domains   = NULL;
 912 uschar *pid_file_path          = US PID_FILE_PATH
 913                            "\0<--------------Space to patch pid_file_path->";
 914 BOOL    pipelining_enable      = TRUE;
 915 uschar *pipelining_advertise_hosts = US"*";
 916 BOOL    preserve_message_logs  = FALSE;
 917 uschar *primary_hostname       = NULL;
 918 BOOL    print_topbitchars      = FALSE;
 919 uschar  process_info[PROCESS_INFO_SIZE];
 920 int     process_info_len       = 0;
 921 uschar *process_log_path       = NULL;
 922 BOOL    prod_requires_admin    = TRUE;
 923 uschar *prvscheck_address      = NULL;
 924 uschar *prvscheck_keynum       = NULL;
 925 uschar *prvscheck_result       = NULL;
 926
 927
 928 uschar *qualify_domain_recipient = NULL;
 929 uschar *qualify_domain_sender  = NULL;
 930 BOOL    queue_2stage           = FALSE;
 931 uschar *queue_domains          = NULL;
 932 int     queue_interval         = -1;
 933 BOOL    queue_list_requires_admin = TRUE;
 934 BOOL    queue_only             = FALSE;
 935 uschar *queue_only_file        = NULL;
 936 int     queue_only_load        = -1;
 937 BOOL    queue_only_load_latch  = TRUE;
 938 BOOL    queue_only_override    = TRUE;
 939 BOOL    queue_only_policy      = FALSE;
 940 BOOL    queue_run_first_delivery = FALSE;
 941 BOOL    queue_run_force        = FALSE;
 942 BOOL    queue_run_in_order     = FALSE;
 943 BOOL    queue_run_local        = FALSE;
 944 int     queue_run_max          = 5;
 945 pid_t   queue_run_pid          = (pid_t)0;
 946 int     queue_run_pipe         = -1;
 947 BOOL    queue_running          = FALSE;
 948 BOOL    queue_smtp             = FALSE;
 949 uschar *queue_smtp_domains     = NULL;
 950
 951 unsigned int random_seed       = 0;
 952 tree_node *ratelimiters_cmd    = NULL;
 953 tree_node *ratelimiters_conn   = NULL;
 954 tree_node *ratelimiters_mail   = NULL;
 955 uschar *raw_active_hostname    = NULL;
 956 uschar *raw_sender             = NULL;
 957 uschar **raw_recipients        = NULL;
 958 int     raw_recipients_count   = 0;
 959
 960 int     rcpt_count             = 0;
 961 int     rcpt_fail_count        = 0;
 962 int     rcpt_defer_count       = 0;
 963 gid_t   real_gid;
 964 uid_t   real_uid;
 965 BOOL    really_exim            = TRUE;
 966 BOOL    receive_call_bombout   = FALSE;
 967 int     receive_linecount      = 0;
 968 int     receive_messagecount   = 0;
 969 int     receive_timeout        = 0;
 970 int     received_count         = 0;
 971 uschar *received_for           = NULL;
 972
 973 /*  This is the default text for Received headers generated by Exim. The
 974 date  will be automatically added on the end. */
 975
 976 uschar *received_header_text   = US
 977      "Received: "
 978      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 979      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 980      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 981      "by $primary_hostname "
 982      "${if def:received_protocol {with $received_protocol}} "
 983      #ifdef SUPPORT_TLS
 984      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 985      #endif
 986      "(Exim $version_number)\n\t"
 987      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 988      "id $message_exim_id"
 989      "${if def:received_for {\n\tfor $received_for}}"
 990      "\0<---------------Space to patch received_header_text->";
 991
 992 int     received_headers_max   = 30;
 993 uschar *received_protocol      = NULL;
 994 int     received_time          = 0;
 995 uschar *recipient_data         = NULL;
 996 uschar *recipient_unqualified_hosts = NULL;
 997 uschar *recipient_verify_failure = NULL;
 998 int     recipients_count       = 0;
 999 BOOL    recipients_discarded   = FALSE;
1000 recipient_item  *recipients_list = NULL;
1001 int     recipients_list_max    = 0;
1002 int     recipients_max         = 0;
1003 BOOL    recipients_max_reject  = FALSE;
1004 const pcre *regex_AUTH         = NULL;
1005 const pcre *regex_check_dns_names = NULL;
1006 const pcre *regex_From         = NULL;
1007 const pcre *regex_IGNOREQUOTA  = NULL;
1008 const pcre *regex_PIPELINING   = NULL;
1009 const pcre *regex_SIZE         = NULL;
1010 const pcre *regex_smtp_code    = NULL;
1011 const pcre *regex_ismsgid      = NULL;
1012 #ifdef WHITELIST_D_MACROS
1013 const pcre *regex_whitelisted_macro = NULL;
1014 #endif
1015 #ifdef WITH_CONTENT_SCAN
1016 uschar *regex_match_string     = NULL;
1017 #endif
1018 int     remote_delivery_count  = 0;
1019 int     remote_max_parallel    = 2;
1020 uschar *remote_sort_domains    = NULL;
1021 int     retry_data_expire      = 7*24*60*60;
1022 int     retry_interval_max     = 24*60*60;
1023 int     retry_maximum_timeout  = 0;        /* set from retry config */
1024 retry_config  *retries         = NULL;
1025 uschar *return_path            = NULL;
1026 BOOL    return_path_remove     = TRUE;
1027 int     rewrite_existflags     = 0;
1028 uschar *rfc1413_hosts          = US"*";
1029 int     rfc1413_query_timeout  = 5;
1030 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1031 uid_t   root_gid               = ROOT_GID;
1032 uid_t   root_uid               = ROOT_UID;
1033
1034 router_instance  *routers  = NULL;
1035 router_instance  router_defaults = {
1036     NULL,                      /* chain pointer */
1037     NULL,                      /* name */
1038     NULL,                      /* info */
1039     NULL,                      /* private options block pointer */
1040     NULL,                      /* driver name */
1041
1042     NULL,                      /* address_data */
1043 #ifdef EXPERIMENTAL_BRIGHTMAIL
1044     NULL,                      /* bmi_rule */
1045 #endif
1046     NULL,                      /* cannot_route_message */
1047     NULL,                      /* condition */
1048     NULL,                      /* current_directory */
1049     NULL,                      /* debug_string */
1050     NULL,                      /* domains */
1051     NULL,                      /* errors_to */
1052     NULL,                      /* expand_gid */
1053     NULL,                      /* expand_uid */
1054     NULL,                      /* expand_more */
1055     NULL,                      /* expand_unseen */
1056     NULL,                      /* extra_headers */
1057     NULL,                      /* fallback_hosts */
1058     NULL,                      /* home_directory */
1059     NULL,                      /* ignore_target_hosts */
1060     NULL,                      /* local_parts */
1061     NULL,                      /* pass_router_name */
1062     NULL,                      /* prefix */
1063     NULL,                      /* redirect_router_name */
1064     NULL,                      /* remove_headers */
1065     NULL,                      /* require_files */
1066     NULL,                      /* router_home_directory */
1067     US"freeze",                /* self */
1068     NULL,                      /* senders */
1069     NULL,                      /* suffix */
1070     NULL,                      /* translate_ip_address */
1071     NULL,                      /* transport_name */
1072
1073     TRUE,                      /* address_test */
1074 #ifdef EXPERIMENTAL_BRIGHTMAIL
1075     FALSE,                     /* bmi_deliver_alternate */
1076     FALSE,                     /* bmi_deliver_default */
1077     FALSE,                     /* bmi_dont_deliver */
1078 #endif
1079     TRUE,                      /* expn */
1080     FALSE,                     /* caseful_local_part */
1081     FALSE,                     /* check_local_user */
1082     FALSE,                     /* disable_logging */
1083     FALSE,                     /* fail_verify_recipient */
1084     FALSE,                     /* fail_verify_sender */
1085     FALSE,                     /* gid_set */
1086     FALSE,                     /* initgroups */
1087     TRUE_UNSET,                /* log_as_local */
1088     TRUE,                      /* more */
1089     FALSE,                     /* pass_on_timeout */
1090     FALSE,                     /* prefix_optional */
1091     TRUE,                      /* repeat_use */
1092     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1093     FALSE,                     /* same_domain_copy_routing */
1094     FALSE,                     /* self_rewrite */
1095     FALSE,                     /* suffix_optional */
1096     FALSE,                     /* verify_only */
1097     TRUE,                      /* verify_recipient */
1098     TRUE,                      /* verify_sender */
1099     FALSE,                     /* uid_set */
1100     FALSE,                     /* unseen */
1101
1102     self_freeze,               /* self_code */
1103     (uid_t)(-1),               /* uid */
1104     (gid_t)(-1),               /* gid */
1105
1106     NULL,                      /* fallback_hostlist */
1107     NULL,                      /* transport instance */
1108     NULL,                      /* pass_router */
1109     NULL                       /* redirect_router */
1110 };
1111
1112 uschar *router_name            = NULL;
1113
1114 ip_address_item *running_interfaces = NULL;
1115 BOOL    running_in_test_harness = FALSE;
1116
1117 /* This is a weird one. The following string gets patched in the binary by the
1118 script that sets up a copy of Exim for running in the test harness. It seems
1119 that compilers are now clever, and share constant strings if they can.
1120 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1121 make use of the end of this string in order to save space. So the patching then
1122 wrecks this. We defeat this optimization by adding some additional characters
1123 onto the end of the string. */
1124
1125 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1126
1127 int     runrc                  = 0;
1128
1129 uschar *search_error_message   = NULL;
1130 BOOL    search_find_defer      = FALSE;
1131 uschar *self_hostname          = NULL;
1132 uschar *sender_address         = NULL;
1133 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1134 uschar *sender_address_data    = NULL;
1135 BOOL    sender_address_forced  = FALSE;
1136 uschar *sender_address_unrewritten = NULL;
1137 uschar *sender_data            = NULL;
1138 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1139 uschar *sender_fullhost        = NULL;
1140 uschar *sender_helo_name       = NULL;
1141 uschar **sender_host_aliases   = &no_aliases;
1142 uschar *sender_host_address    = NULL;
1143 uschar *sender_host_authenticated = NULL;
1144 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1145 BOOL    sender_host_dnssec     = FALSE;
1146 uschar *sender_host_name       = NULL;
1147 int     sender_host_port       = 0;
1148 BOOL    sender_host_notsocket  = FALSE;
1149 BOOL    sender_host_unknown    = FALSE;
1150 uschar *sender_ident           = NULL;
1151 BOOL    sender_local           = FALSE;
1152 BOOL    sender_name_forced     = FALSE;
1153 uschar *sender_rate            = NULL;
1154 uschar *sender_rate_limit      = NULL;
1155 uschar *sender_rate_period     = NULL;
1156 uschar *sender_rcvhost         = NULL;
1157 BOOL    sender_set_untrusted   = FALSE;
1158 uschar *sender_unqualified_hosts = NULL;
1159 uschar *sender_verify_failure = NULL;
1160 address_item *sender_verified_list  = NULL;
1161 address_item *sender_verified_failed = NULL;
1162 int     sender_verified_rc     = -1;
1163 BOOL    sender_verified_responded = FALSE;
1164 uschar *sending_ip_address     = NULL;
1165 int     sending_port           = -1;
1166 SIGNAL_BOOL sigalrm_seen       = FALSE;
1167 uschar **sighup_argv           = NULL;
1168 int     smtp_accept_count      = 0;
1169 BOOL    smtp_accept_keepalive  = TRUE;
1170 int     smtp_accept_max        = 20;
1171 int     smtp_accept_max_nonmail= 10;
1172 uschar *smtp_accept_max_nonmail_hosts = US"*";
1173 int     smtp_accept_max_per_connection = 1000;
1174 uschar *smtp_accept_max_per_host = NULL;
1175 int     smtp_accept_queue      = 0;
1176 int     smtp_accept_queue_per_connection = 10;
1177 int     smtp_accept_reserve    = 0;
1178 uschar *smtp_active_hostname   = NULL;
1179 BOOL    smtp_authenticated     = FALSE;
1180 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1181                              "Exim $version_number $tod_full"
1182                              "\0<---------------Space to patch smtp_banner->";
1183 BOOL    smtp_batched_input     = FALSE;
1184 BOOL    smtp_check_spool_space = TRUE;
1185 int     smtp_ch_index          = 0;
1186 uschar *smtp_cmd_argument      = NULL;
1187 uschar *smtp_cmd_buffer        = NULL;
1188 time_t  smtp_connection_start  = 0;
1189 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1190 int     smtp_connect_backlog   = 20;
1191 double  smtp_delay_mail        = 0.0;
1192 double  smtp_delay_rcpt        = 0.0;
1193 BOOL    smtp_enforce_sync      = TRUE;
1194 FILE   *smtp_in                = NULL;
1195 BOOL    smtp_input             = FALSE;
1196 int     smtp_load_reserve      = -1;
1197 int     smtp_mailcmd_count     = 0;
1198 FILE   *smtp_out               = NULL;
1199 uschar *smtp_etrn_command      = NULL;
1200 BOOL    smtp_etrn_serialize    = TRUE;
1201 int     smtp_max_synprot_errors= 3;
1202 int     smtp_max_unknown_commands = 3;
1203 uschar *smtp_notquit_reason    = NULL;
1204 uschar *smtp_ratelimit_hosts   = NULL;
1205 uschar *smtp_ratelimit_mail    = NULL;
1206 uschar *smtp_ratelimit_rcpt    = NULL;
1207 uschar *smtp_read_error        = US"";
1208 int     smtp_receive_timeout   = 5*60;
1209 uschar *smtp_reserve_hosts     = NULL;
1210 BOOL    smtp_return_error_details = FALSE;
1211 int     smtp_rlm_base          = 0;
1212 double  smtp_rlm_factor        = 0.0;
1213 int     smtp_rlm_limit         = 0;
1214 int     smtp_rlm_threshold     = INT_MAX;
1215 int     smtp_rlr_base          = 0;
1216 double  smtp_rlr_factor        = 0.0;
1217 int     smtp_rlr_limit         = 0;
1218 int     smtp_rlr_threshold     = INT_MAX;
1219 BOOL    smtp_use_pipelining    = FALSE;
1220 BOOL    smtp_use_size          = FALSE;
1221
1222 #ifdef WITH_CONTENT_SCAN
1223 uschar *spamd_address          = US"127.0.0.1 783";
1224 uschar *spam_bar               = NULL;
1225 uschar *spam_report            = NULL;
1226 uschar *spam_score             = NULL;
1227 uschar *spam_score_int         = NULL;
1228 #endif
1229 #ifdef EXPERIMENTAL_SPF
1230 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1231 uschar *spf_header_comment     = NULL;
1232 uschar *spf_received           = NULL;
1233 uschar *spf_result             = NULL;
1234 uschar *spf_smtp_comment       = NULL;
1235 #endif
1236
1237 BOOL    split_spool_directory  = FALSE;
1238 uschar *spool_directory        = US SPOOL_DIRECTORY
1239                            "\0<--------------Space to patch spool_directory->";
1240 #ifdef EXPERIMENTAL_SRS
1241 uschar *srs_config             = NULL;
1242 uschar *srs_db_address         = NULL;
1243 uschar *srs_db_key             = NULL;
1244 int     srs_hashlength         = 6;
1245 int     srs_hashmin            = -1;
1246 int     srs_maxage             = 31;
1247 uschar *srs_orig_recipient     = NULL;
1248 uschar *srs_orig_sender        = NULL;
1249 uschar *srs_recipient          = NULL;
1250 uschar *srs_secrets            = NULL;
1251 uschar *srs_status             = NULL;
1252 BOOL    srs_usehash            = TRUE;
1253 BOOL    srs_usetimestamp       = TRUE;
1254 #endif
1255 BOOL    strict_acl_vars        = FALSE;
1256 int     string_datestamp_offset= -1;
1257 int     string_datestamp_length= 0;
1258 int     string_datestamp_type  = -1;
1259 BOOL    strip_excess_angle_brackets = FALSE;
1260 BOOL    strip_trailing_dot     = FALSE;
1261 uschar *submission_domain      = NULL;
1262 BOOL    submission_mode        = FALSE;
1263 uschar *submission_name        = NULL;
1264 BOOL    suppress_local_fixups  = FALSE;
1265 BOOL    suppress_local_fixups_default = FALSE;
1266 BOOL    synchronous_delivery   = FALSE;
1267 BOOL    syslog_duplication     = TRUE;
1268 int     syslog_facility        = LOG_MAIL;
1269 uschar *syslog_processname     = US"exim";
1270 BOOL    syslog_timestamp       = TRUE;
1271 uschar *system_filter          = NULL;
1272
1273 uschar *system_filter_directory_transport = NULL;
1274 uschar *system_filter_file_transport = NULL;
1275 uschar *system_filter_pipe_transport = NULL;
1276 uschar *system_filter_reply_transport = NULL;
1277
1278 gid_t   system_filter_gid      = 0;
1279 BOOL    system_filter_gid_set  = FALSE;
1280 uid_t   system_filter_uid      = (uid_t)-1;
1281 BOOL    system_filter_uid_set  = FALSE;
1282 BOOL    system_filtering       = FALSE;
1283
1284 BOOL    tcp_nodelay            = TRUE;
1285 #ifdef USE_TCP_WRAPPERS
1286 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1287 #endif
1288 int     test_harness_load_avg  = 0;
1289 int     thismessage_size_limit = 0;
1290 int     timeout_frozen_after   = 0;
1291 BOOL    timestamps_utc         = FALSE;
1292
1293 transport_instance  *transports = NULL;
1294
1295 transport_instance  transport_defaults = {
1296     NULL,                     /* chain pointer */
1297     NULL,                     /* name */
1298     NULL,                     /* info */
1299     NULL,                     /* private options block pointer */
1300     NULL,                     /* driver name */
1301     NULL,                     /* setup entry point */
1302     1,                        /* batch_max */
1303     NULL,                     /* batch_id */
1304     NULL,                     /* home_dir */
1305     NULL,                     /* current_dir */
1306     TRUE,                     /* multi-domain */
1307     FALSE,                    /* overrides_hosts */
1308     100,                      /* max_addresses */
1309     500,                      /* connection_max_messages */
1310     FALSE,                    /* deliver_as_creator */
1311     FALSE,                    /* disable_logging */
1312     FALSE,                    /* initgroups */
1313     FALSE,                    /* uid_set */
1314     FALSE,                    /* gid_set */
1315     (uid_t)(-1),              /* uid */
1316     (gid_t)(-1),              /* gid */
1317     NULL,                     /* expand_uid */
1318     NULL,                     /* expand_gid */
1319     NULL,                     /* warn_message */
1320     NULL,                     /* shadow */
1321     NULL,                     /* shadow_condition */
1322     NULL,                     /* filter_command */
1323     NULL,                     /* add_headers */
1324     NULL,                     /* remove_headers */
1325     NULL,                     /* return_path */
1326     NULL,                     /* debug_string */
1327     NULL,                     /* message_size_limit */
1328     NULL,                     /* headers_rewrite */
1329     NULL,                     /* rewrite_rules */
1330     0,                        /* rewrite_existflags */
1331     300,                      /* filter_timeout */
1332     FALSE,                    /* body_only */
1333     FALSE,                    /* delivery_date_add */
1334     FALSE,                    /* envelope_to_add */
1335     FALSE,                    /* headers_only */
1336     FALSE,                    /* rcpt_include_affixes */
1337     FALSE,                    /* return_path_add */
1338     FALSE,                    /* return_output */
1339     FALSE,                    /* return_fail_output */
1340     FALSE,                    /* log_output */
1341     FALSE,                    /* log_fail_output */
1342     FALSE,                    /* log_defer_output */
1343     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1344                                  1 nor 0 so can detect unset */
1345 };
1346
1347 int     transport_count;
1348 uschar *transport_name          = NULL;
1349 int     transport_newlines;
1350 uschar **transport_filter_argv  = NULL;
1351 int     transport_filter_timeout;
1352 BOOL    transport_filter_timed_out = FALSE;
1353 int     transport_write_timeout= 0;
1354
1355 tree_node  *tree_dns_fails     = NULL;
1356 tree_node  *tree_duplicates    = NULL;
1357 tree_node  *tree_nonrecipients = NULL;
1358 tree_node  *tree_unusable      = NULL;
1359
1360 BOOL    trusted_caller         = FALSE;
1361 BOOL    trusted_config         = TRUE;
1362 gid_t  *trusted_groups         = NULL;
1363 uid_t  *trusted_users          = NULL;
1364 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1365
1366 uschar *unknown_login          = NULL;
1367 uschar *unknown_username       = NULL;
1368 uschar *untrusted_set_sender   = NULL;
1369
1370 /*  A regex for matching a "From_" line in an incoming message, in the form
1371
1372     From ph10 Fri Jan  5 12:35 GMT 1996
1373
1374 which  the "mail" commands send to the MTA (undocumented, of course), or in
1375 the  form
1376
1377     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1378
1379 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1380 Because  of variations in time formats, just match up to the minutes. That
1381 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1382 so  just require one digit for hours and minutes. The weekday is also absent
1383 in  some forms. */
1384
1385 uschar *uucp_from_pattern      = US
1386    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1387    "(?:"                                          /* Non-extracting bracket */
1388    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1389    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1390    ")"                                            /* End alternation */
1391    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1392
1393 uschar *uucp_from_sender       = US"$1";
1394
1395 uschar *warn_message_file      = NULL;
1396 uschar *warnmsg_delay          = NULL;
1397 uschar *warnmsg_recipients     = NULL;
1398 BOOL    write_rejectlog        = TRUE;
1399
1400 uschar *version_copyright      =
1401  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1402    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1403 uschar *version_date           = US"?";
1404 uschar *version_cnumber        = US"????";
1405 uschar *version_string         = US"?";
1406
1407 int     warning_count          = 0;
1408
1409 /*  End of globals.c */