src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2009 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* All the global variables are defined together in this one module, so
   9 that they are easy to find. */
  10
  11 #include "exim.h"
  12
  13
  14 /* Generic options for auths, all of which live inside auth_instance
  15 data blocks and hence have the opt_public flag set. */
  16
  17 optionlist optionlist_auths[] = {
  18   { "client_condition", opt_stringptr | opt_public,
  19                  (void *)(offsetof(auth_instance, client_condition)) },
  20   { "driver",        opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, driver_name)) },
  22   { "public_name",   opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, public_name)) },
  24   { "server_advertise_condition", opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, advertise_condition))},
  26   { "server_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, server_condition)) },
  28   { "server_debug_print", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_debug_string)) },
  30   { "server_mail_auth_condition", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  32   { "server_set_id", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, set_id)) }
  34 };
  35
  36 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  37
  38 /* An empty host aliases list. */
  39
  40 uschar *no_aliases             = NULL;
  41
  42
  43 /* For comments on these variables, see globals.h. I'm too idle to
  44 duplicate them here... */
  45
  46 #ifdef EXIM_PERL
  47 uschar *opt_perl_startup       = NULL;
  48 BOOL    opt_perl_at_start      = FALSE;
  49 BOOL    opt_perl_started       = FALSE;
  50 #endif
  51
  52 #ifdef EXPAND_DLFUNC
  53 tree_node *dlobj_anchor        = NULL;
  54 #endif
  55
  56 #ifdef LOOKUP_IBASE
  57 uschar *ibase_servers          = NULL;
  58 #endif
  59
  60 #ifdef LOOKUP_LDAP
  61 uschar *eldap_ca_cert_dir      = NULL;
  62 uschar *eldap_ca_cert_file     = NULL;
  63 uschar *eldap_cert_file        = NULL;
  64 uschar *eldap_cert_key         = NULL;
  65 uschar *eldap_cipher_suite     = NULL;
  66 uschar *eldap_default_servers  = NULL;
  67 uschar *eldap_require_cert     = NULL;
  68 int     eldap_version          = -1;
  69 BOOL    eldap_start_tls        = FALSE;
  70 #endif
  71
  72 #ifdef LOOKUP_MYSQL
  73 uschar *mysql_servers          = NULL;
  74 #endif
  75
  76 #ifdef LOOKUP_ORACLE
  77 uschar *oracle_servers         = NULL;
  78 #endif
  79
  80 #ifdef LOOKUP_PGSQL
  81 uschar *pgsql_servers          = NULL;
  82 #endif
  83
  84 #ifdef LOOKUP_SQLITE
  85 int     sqlite_lock_timeout    = 5;
  86 #endif
  87
  88 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  89 BOOL    move_frozen_messages   = FALSE;
  90 #endif
  91
  92 /* These variables are outside the #ifdef because it keeps the code less
  93 cluttered in several places (e.g. during logging) if we can always refer to
  94 them. Also, the tls_ variables are now always visible. */
  95
  96 BOOL    tls_active             = -1;
  97 int     tls_bits               = 0;
  98 BOOL    tls_certificate_verified = FALSE;
  99 uschar *tls_cipher             = NULL;
 100 BOOL    tls_on_connect         = FALSE;
 101 uschar *tls_on_connect_ports   = NULL;
 102 uschar *tls_peerdn             = NULL;
 103
 104 #ifdef SUPPORT_TLS
 105 BOOL    gnutls_compat_mode     = FALSE;
 106 uschar *gnutls_require_mac     = NULL;
 107 uschar *gnutls_require_kx      = NULL;
 108 uschar *gnutls_require_proto   = NULL;
 109 uschar *openssl_options        = NULL;
 110 const pcre *regex_STARTTLS     = NULL;
 111 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 112 uschar *tls_certificate        = NULL;
 113 uschar *tls_crl                = NULL;
 114 uschar *tls_dhparam            = NULL;
 115 BOOL    tls_offered            = FALSE;
 116 uschar *tls_privatekey         = NULL;
 117 BOOL    tls_remember_esmtp     = FALSE;
 118 uschar *tls_require_ciphers    = NULL;
 119 #ifndef USE_GNUTLS
 120 uschar *tls_sni                = NULL;
 121 #endif
 122 uschar *tls_try_verify_hosts   = NULL;
 123 uschar *tls_verify_certificates= NULL;
 124 uschar *tls_verify_hosts       = NULL;
 125 #endif
 126
 127
 128 /* Input-reading functions for messages, so we can use special ones for
 129 incoming TCP/IP. The defaults use stdin. We never need these for any
 130 stand-alone tests. */
 131
 132 #ifndef STAND_ALONE
 133 int (*receive_getc)(void)      = stdin_getc;
 134 int (*receive_ungetc)(int)     = stdin_ungetc;
 135 int (*receive_feof)(void)      = stdin_feof;
 136 int (*receive_ferror)(void)    = stdin_ferror;
 137 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 138 #endif
 139
 140
 141 /* List of per-address expansion variables for clearing and saving/restoring
 142 when verifying one address while routing/verifying another. We have to have
 143 the size explicit, because it is referenced from more than one module. */
 144
 145 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 146   &deliver_address_data,
 147   &deliver_domain,
 148   &deliver_domain_data,
 149   &deliver_domain_orig,
 150   &deliver_domain_parent,
 151   &deliver_localpart,
 152   &deliver_localpart_data,
 153   &deliver_localpart_orig,
 154   &deliver_localpart_parent,
 155   &deliver_localpart_prefix,
 156   &deliver_localpart_suffix,
 157   (uschar **)(&deliver_recipients),
 158   &deliver_host,
 159   &deliver_home,
 160   &address_file,
 161   &address_pipe,
 162   &self_hostname,
 163   NULL };
 164
 165 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 166
 167 /* General global variables */
 168
 169 header_line *acl_added_headers = NULL;
 170 tree_node *acl_anchor          = NULL;
 171
 172 uschar *acl_not_smtp           = NULL;
 173 #ifdef WITH_CONTENT_SCAN
 174 uschar *acl_not_smtp_mime      = NULL;
 175 #endif
 176 uschar *acl_not_smtp_start     = NULL;
 177
 178 uschar *acl_smtp_auth          = NULL;
 179 uschar *acl_smtp_connect       = NULL;
 180 uschar *acl_smtp_data          = NULL;
 181 #ifndef DISABLE_DKIM
 182 uschar *acl_smtp_dkim          = NULL;
 183 #endif
 184 uschar *acl_smtp_etrn          = NULL;
 185 uschar *acl_smtp_expn          = NULL;
 186 uschar *acl_smtp_helo          = NULL;
 187 uschar *acl_smtp_mail          = NULL;
 188 uschar *acl_smtp_mailauth      = NULL;
 189 #ifdef WITH_CONTENT_SCAN
 190 uschar *acl_smtp_mime          = NULL;
 191 #endif
 192 uschar *acl_smtp_notquit       = NULL;
 193 uschar *acl_smtp_predata       = NULL;
 194 uschar *acl_smtp_quit          = NULL;
 195 uschar *acl_smtp_rcpt          = NULL;
 196 uschar *acl_smtp_starttls      = NULL;
 197 uschar *acl_smtp_vrfy          = NULL;
 198
 199 BOOL    acl_temp_details       = FALSE;
 200 tree_node *acl_var_c           = NULL;
 201 tree_node *acl_var_m           = NULL;
 202 uschar *acl_verify_message     = NULL;
 203 string_item *acl_warn_logged   = NULL;
 204
 205 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 206 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 207
 208 uschar *acl_wherenames[]       = { US"RCPT",
 209                                    US"MAIL",
 210                                    US"PREDATA",
 211                                    US"MIME",
 212                                    US"DKIM",
 213                                    US"DATA",
 214                                    US"non-SMTP",
 215                                    US"AUTH",
 216                                    US"connection",
 217                                    US"ETRN",
 218                                    US"EXPN",
 219                                    US"EHLO or HELO",
 220                                    US"MAILAUTH",
 221                                    US"non-SMTP-start",
 222                                    US"NOTQUIT",
 223                                    US"QUIT",
 224                                    US"STARTTLS",
 225                                    US"VRFY"
 226                                  };
 227
 228 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 229                                    US"550",     /* MAIL */
 230                                    US"550",     /* PREDATA */
 231                                    US"550",     /* MIME */
 232                                    US"550",     /* DKIM */
 233                                    US"550",     /* DATA */
 234                                    US"0",       /* not SMTP; not relevant */
 235                                    US"503",     /* AUTH */
 236                                    US"550",     /* connect */
 237                                    US"458",     /* ETRN */
 238                                    US"550",     /* EXPN */
 239                                    US"550",     /* HELO/EHLO */
 240                                    US"0",       /* MAILAUTH; not relevant */
 241                                    US"0",       /* not SMTP; not relevant */
 242                                    US"0",       /* NOTQUIT; not relevant */
 243                                    US"0",       /* QUIT; not relevant */
 244                                    US"550",     /* STARTTLS */
 245                                    US"252"      /* VRFY */
 246                                  };
 247
 248 BOOL    active_local_from_check = FALSE;
 249 BOOL    active_local_sender_retain = FALSE;
 250 BOOL    accept_8bitmime        = FALSE;
 251 address_item  *addr_duplicate  = NULL;
 252
 253 address_item address_defaults = {
 254   NULL,                 /* next */
 255   NULL,                 /* parent */
 256   NULL,                 /* first */
 257   NULL,                 /* dupof */
 258   NULL,                 /* start_router */
 259   NULL,                 /* router */
 260   NULL,                 /* transport */
 261   NULL,                 /* host_list */
 262   NULL,                 /* host_used */
 263   NULL,                 /* fallback_hosts */
 264   NULL,                 /* reply */
 265   NULL,                 /* retries */
 266   NULL,                 /* address */
 267   NULL,                 /* unique */
 268   NULL,                 /* cc_local_part */
 269   NULL,                 /* lc_local_part */
 270   NULL,                 /* local_part */
 271   NULL,                 /* prefix */
 272   NULL,                 /* suffix */
 273   NULL,                 /* domain */
 274   NULL,                 /* address_retry_key */
 275   NULL,                 /* domain_retry_key */
 276   NULL,                 /* current_dir */
 277   NULL,                 /* home_dir */
 278   NULL,                 /* message */
 279   NULL,                 /* user_message */
 280   NULL,                 /* onetime_parent */
 281   NULL,                 /* pipe_expandn */
 282   NULL,                 /* return_filename */
 283   NULL,                 /* self_hostname */
 284   NULL,                 /* shadow_message */
 285   #ifdef SUPPORT_TLS
 286   NULL,                 /* cipher */
 287   NULL,                 /* peerdn */
 288   #endif
 289   (uid_t)(-1),          /* uid */
 290   (gid_t)(-1),          /* gid */
 291   0,                    /* flags */
 292   { 0 },                /* domain_cache - any larger array should be zeroed */
 293   { 0 },                /* localpart_cache - ditto */
 294   -1,                   /* mode */
 295   0,                    /* more_errno */
 296   ERRNO_UNKNOWNERROR,   /* basic_errno */
 297   0,                    /* child_count */
 298   -1,                   /* return_file */
 299   SPECIAL_NONE,         /* special_action */
 300   DEFER,                /* transport_return */
 301   {                     /* fields that are propagated to children */
 302     NULL,               /* address_data */
 303     NULL,               /* domain_data */
 304     NULL,               /* localpart_data */
 305     NULL,               /* errors_address */
 306     NULL,               /* extra_headers */
 307     NULL,               /* remove_headers */
 308 #ifdef EXPERIMENTAL_SRS
 309     NULL,               /* srs_sender */
 310 #endif
 311   }
 312 };
 313
 314 uschar *address_file           = NULL;
 315 uschar *address_pipe           = NULL;
 316 BOOL    address_test_mode      = FALSE;
 317 tree_node *addresslist_anchor  = NULL;
 318 int     addresslist_count      = 0;
 319 gid_t  *admin_groups           = NULL;
 320 BOOL    admin_user             = FALSE;
 321 BOOL    allow_auth_unadvertised= FALSE;
 322 BOOL    allow_domain_literals  = FALSE;
 323 BOOL    allow_mx_to_ip         = FALSE;
 324 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 325 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 326 BOOL    allow_utf8_domains     = FALSE;
 327 uschar *authenticated_id       = NULL;
 328 uschar *authenticated_sender   = NULL;
 329 BOOL    authentication_failed  = FALSE;
 330 auth_instance  *auths          = NULL;
 331 uschar *auth_advertise_hosts   = US"*";
 332 auth_instance auth_defaults    = {
 333     NULL,                      /* chain pointer */
 334     NULL,                      /* name */
 335     NULL,                      /* info */
 336     NULL,                      /* private options block pointer */
 337     NULL,                      /* driver_name */
 338     NULL,                      /* advertise_condition */
 339     NULL,                      /* client_condition */
 340     NULL,                      /* public_name */
 341     NULL,                      /* set_id */
 342     NULL,                      /* server_mail_auth_condition */
 343     NULL,                      /* server_debug_string */
 344     NULL,                      /* server_condition */
 345     FALSE,                     /* client */
 346     FALSE,                     /* server */
 347     FALSE                      /* advertised */
 348 };
 349
 350 uschar *auth_defer_msg         = US"reason not recorded";
 351 uschar *auth_defer_user_msg    = US"";
 352 uschar *auth_vars[AUTH_VARS];
 353 int     auto_thaw              = 0;
 354 #ifdef WITH_CONTENT_SCAN
 355 BOOL    av_failed              = FALSE;
 356 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 357 #endif
 358
 359 BOOL    background_daemon      = TRUE;
 360
 361 #if BASE_62 == 62
 362 uschar *base62_chars=
 363     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 364 #else
 365 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 366 #endif
 367
 368 uschar *bi_command             = NULL;
 369 uschar *big_buffer             = NULL;
 370 int     big_buffer_size        = BIG_BUFFER_SIZE;
 371 #ifdef EXPERIMENTAL_BRIGHTMAIL
 372 uschar *bmi_alt_location       = NULL;
 373 uschar *bmi_base64_tracker_verdict = NULL;
 374 uschar *bmi_base64_verdict     = NULL;
 375 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 376 int     bmi_deliver            = 1;
 377 int     bmi_run                = 0;
 378 uschar *bmi_verdicts           = NULL;
 379 #endif
 380 int     body_linecount         = 0;
 381 int     body_zerocount         = 0;
 382 uschar *bounce_message_file    = NULL;
 383 uschar *bounce_message_text    = NULL;
 384 uschar *bounce_recipient       = NULL;
 385 BOOL    bounce_return_body     = TRUE;
 386 BOOL    bounce_return_message  = TRUE;
 387 int     bounce_return_size_limit = 100*1024;
 388 uschar *bounce_sender_authentication = NULL;
 389 int     bsmtp_transaction_linecount = 0;
 390
 391 int     callout_cache_domain_positive_expire = 7*24*60*60;
 392 int     callout_cache_domain_negative_expire = 3*60*60;
 393 int     callout_cache_positive_expire = 24*60*60;
 394 int     callout_cache_negative_expire = 2*60*60;
 395 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 396 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 397 int     check_log_inodes       = 0;
 398 int     check_log_space        = 0;
 399 BOOL    check_rfc2047_length   = TRUE;
 400 int     check_spool_inodes     = 0;
 401 int     check_spool_space      = 0;
 402 int     clmacro_count          = 0;
 403 uschar *clmacros[MAX_CLMACROS];
 404 BOOL    config_changed         = FALSE;
 405 FILE   *config_file            = NULL;
 406 uschar *config_filename        = NULL;
 407 int     config_lineno          = 0;
 408 #ifdef CONFIGURE_GROUP
 409 gid_t   config_gid             = CONFIGURE_GROUP;
 410 #endif
 411 uschar *config_main_filelist   = US CONFIGURE_FILE
 412                          "\0<-----------Space to patch configure_filename->";
 413 uschar *config_main_filename   = NULL;
 414
 415 #ifdef CONFIGURE_OWNER
 416 uid_t   config_uid             = CONFIGURE_OWNER;
 417 #endif
 418
 419 int     connection_max_messages= -1;
 420 uschar *continue_hostname      = NULL;
 421 uschar *continue_host_address  = NULL;
 422 BOOL    continue_more          = FALSE;
 423 int     continue_sequence      = 1;
 424 uschar *continue_transport     = NULL;
 425
 426 uschar *csa_status             = NULL;
 427
 428 BOOL    daemon_listen          = FALSE;
 429 uschar *daemon_smtp_port       = US"smtp";
 430 int     daemon_startup_retries = 9;
 431 int     daemon_startup_sleep   = 30;
 432
 433 #ifdef EXPERIMENTAL_DCC
 434 BOOL    dcc_direct_add_header  = FALSE;
 435 uschar *dcc_header             = NULL;
 436 uschar *dcc_result             = NULL;
 437 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 438 uschar *dccifd_options         = US"header";
 439 #endif
 440
 441 BOOL    debug_daemon           = FALSE;
 442 int     debug_fd               = -1;
 443 FILE   *debug_file             = NULL;
 444 bit_table debug_options[]      = {
 445   { US"acl",            D_acl },
 446   { US"all",            D_all },
 447   { US"auth",           D_auth },
 448   { US"deliver",        D_deliver },
 449   { US"dns",            D_dns },
 450   { US"dnsbl",          D_dnsbl },
 451   { US"exec",           D_exec },
 452   { US"expand",         D_expand },
 453   { US"filter",         D_filter },
 454   { US"hints_lookup",   D_hints_lookup },
 455   { US"host_lookup",    D_host_lookup },
 456   { US"ident",          D_ident },
 457   { US"interface",      D_interface },
 458   { US"lists",          D_lists },
 459   { US"load",           D_load },
 460   { US"local_scan",     D_local_scan },
 461   { US"lookup",         D_lookup },
 462   { US"memory",         D_memory },
 463   { US"pid",            D_pid },
 464   { US"process_info",   D_process_info },
 465   { US"queue_run",      D_queue_run },
 466   { US"receive",        D_receive },
 467   { US"resolver",       D_resolver },
 468   { US"retry",          D_retry },
 469   { US"rewrite",        D_rewrite },
 470   { US"route",          D_route },
 471   { US"timestamp",      D_timestamp },
 472   { US"tls",            D_tls },
 473   { US"transport",      D_transport },
 474   { US"uid",            D_uid },
 475   { US"verify",         D_verify }
 476 };
 477 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 478 unsigned int debug_selector    = 0;
 479 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 480 uschar *delay_warning_condition=
 481   US"${if or {"
 482             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 483             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 484             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 485             "} {no}{yes}}";
 486 BOOL    delivery_date_remove   = TRUE;
 487 uschar *deliver_address_data   = NULL;
 488 int     deliver_datafile       = -1;
 489 uschar *deliver_domain         = NULL;
 490 uschar *deliver_domain_data    = NULL;
 491 uschar *deliver_domain_orig    = NULL;
 492 uschar *deliver_domain_parent  = NULL;
 493 BOOL    deliver_drop_privilege = FALSE;
 494 BOOL    deliver_firsttime      = FALSE;
 495 BOOL    deliver_force          = FALSE;
 496 BOOL    deliver_freeze         = FALSE;
 497 int     deliver_frozen_at      = 0;
 498 uschar *deliver_home           = NULL;
 499 uschar *deliver_host           = NULL;
 500 uschar *deliver_host_address   = NULL;
 501 uschar *deliver_in_buffer      = NULL;
 502 ino_t   deliver_inode          = 0;
 503 uschar *deliver_localpart      = NULL;
 504 uschar *deliver_localpart_data = NULL;
 505 uschar *deliver_localpart_orig = NULL;
 506 uschar *deliver_localpart_parent = NULL;
 507 uschar *deliver_localpart_prefix = NULL;
 508 uschar *deliver_localpart_suffix = NULL;
 509 BOOL    deliver_force_thaw     = FALSE;
 510 BOOL    deliver_manual_thaw    = FALSE;
 511 uschar *deliver_out_buffer     = NULL;
 512 int     deliver_queue_load_max = -1;
 513 address_item  *deliver_recipients = NULL;
 514 uschar *deliver_selectstring   = NULL;
 515 BOOL    deliver_selectstring_regex = FALSE;
 516 uschar *deliver_selectstring_sender = NULL;
 517 BOOL    deliver_selectstring_sender_regex = FALSE;
 518 #ifdef WITH_OLD_DEMIME
 519 int     demime_errorlevel      = 0;
 520 int     demime_ok              = 0;
 521 uschar *demime_reason          = NULL;
 522 #endif
 523 BOOL    disable_callout_flush  = FALSE;
 524 BOOL    disable_delay_flush    = FALSE;
 525 #ifdef ENABLE_DISABLE_FSYNC
 526 BOOL    disable_fsync          = FALSE;
 527 #endif
 528 BOOL    disable_ipv6           = FALSE;
 529 BOOL    disable_logging        = FALSE;
 530
 531 #ifndef DISABLE_DKIM
 532 uschar *dkim_cur_signer          = NULL;
 533 uschar *dkim_signers             = NULL;
 534 uschar *dkim_signing_domain      = NULL;
 535 uschar *dkim_signing_selector    = NULL;
 536 uschar *dkim_verify_signers      = US"$dkim_signers";
 537 BOOL    dkim_collect_input       = FALSE;
 538 BOOL    dkim_disable_verify      = FALSE;
 539 #endif
 540
 541 uschar *dns_again_means_nonexist = NULL;
 542 int     dns_csa_search_limit   = 5;
 543 BOOL    dns_csa_use_reverse    = TRUE;
 544 uschar *dns_ipv4_lookup        = NULL;
 545 int     dns_retrans            = 0;
 546 int     dns_retry              = 0;
 547 int     dns_use_edns0          = -1; /* <0 = not coerced */
 548 uschar *dnslist_domain         = NULL;
 549 uschar *dnslist_matched        = NULL;
 550 uschar *dnslist_text           = NULL;
 551 uschar *dnslist_value          = NULL;
 552 tree_node *domainlist_anchor   = NULL;
 553 int     domainlist_count       = 0;
 554 BOOL    dont_deliver           = FALSE;
 555 BOOL    dot_ends               = TRUE;
 556 BOOL    drop_cr                = FALSE;         /* No longer used */
 557 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 558
 559 BOOL    enable_dollar_recipients = FALSE;
 560 BOOL    envelope_to_remove     = TRUE;
 561 int     errno_quota            = ERRNO_QUOTA;
 562 uschar *errors_copy            = NULL;
 563 int     error_handling         = ERRORS_SENDER;
 564 uschar *errors_reply_to        = NULL;
 565 int     errors_sender_rc       = EXIT_FAILURE;
 566
 567 gid_t   exim_gid               = EXIM_GID;
 568 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 569 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 570                         "\0<---------------Space to patch exim_path->";
 571 uid_t   exim_uid               = EXIM_UID;
 572 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 573 int     expand_forbid          = 0;
 574 int     expand_nlength[EXPAND_MAXN+1];
 575 int     expand_nmax            = -1;
 576 uschar *expand_nstring[EXPAND_MAXN+1];
 577 BOOL    expand_string_forcedfail = FALSE;
 578 uschar *expand_string_message;
 579 BOOL    extract_addresses_remove_arguments = TRUE;
 580 uschar *extra_local_interfaces = NULL;
 581
 582 int     fake_response          = OK;
 583 uschar *fake_response_text     = US"Your message has been rejected but is "
 584                                    "being kept for evaluation.\nIf it was a "
 585                                    "legitimate message, it may still be "
 586                                    "delivered to the target recipient(s).";
 587 int     filter_n[FILTER_VARIABLE_COUNT];
 588 BOOL    filter_running         = FALSE;
 589 int     filter_sn[FILTER_VARIABLE_COUNT];
 590 int     filter_test            = FTEST_NONE;
 591 uschar *filter_test_sfile      = NULL;
 592 uschar *filter_test_ufile      = NULL;
 593 uschar *filter_thisaddress     = NULL;
 594 int     finduser_retries       = 0;
 595 #ifdef WITH_OLD_DEMIME
 596 uschar *found_extension        = NULL;
 597 #endif
 598 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 599 uschar *freeze_tell            = NULL;
 600 uschar *freeze_tell_config     = NULL;
 601 uschar *fudged_queue_times     = US"";
 602
 603 uschar *gecos_name             = NULL;
 604 uschar *gecos_pattern          = NULL;
 605 rewrite_rule  *global_rewrite_rules = NULL;
 606
 607 uschar *headers_charset        = US HEADERS_CHARSET;
 608 int     header_insert_maxlen   = 64 * 1024;
 609 header_line  *header_last      = NULL;
 610 header_line  *header_list      = NULL;
 611 int     header_maxsize         = HEADER_MAXSIZE;
 612 int     header_line_maxsize    = 0;
 613
 614 header_name header_names[] = {
 615   { US"bcc",            3, TRUE,  htype_bcc },
 616   { US"cc",             2, TRUE,  htype_cc },
 617   { US"date",           4, TRUE,  htype_date },
 618   { US"delivery-date", 13, FALSE, htype_delivery_date },
 619   { US"envelope-to",   11, FALSE, htype_envelope_to },
 620   { US"from",           4, TRUE,  htype_from },
 621   { US"message-id",    10, TRUE,  htype_id },
 622   { US"received",       8, FALSE, htype_received },
 623   { US"reply-to",       8, FALSE, htype_reply_to },
 624   { US"return-path",   11, FALSE, htype_return_path },
 625   { US"sender",         6, TRUE,  htype_sender },
 626   { US"subject",        7, FALSE, htype_subject },
 627   { US"to",             2, TRUE,  htype_to }
 628 };
 629
 630 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 631
 632 BOOL    header_rewritten       = FALSE;
 633 uschar *helo_accept_junk_hosts = NULL;
 634 uschar *helo_allow_chars       = US"";
 635 uschar *helo_lookup_domains    = US"@ : @[]";
 636 uschar *helo_try_verify_hosts  = NULL;
 637 BOOL    helo_verified          = FALSE;
 638 BOOL    helo_verify_failed     = FALSE;
 639 uschar *helo_verify_hosts      = NULL;
 640 const uschar *hex_digits       = CUS"0123456789abcdef";
 641 uschar *hold_domains           = NULL;
 642 BOOL    host_checking          = FALSE;
 643 BOOL    host_checking_callout  = FALSE;
 644 uschar *host_data              = NULL;
 645 BOOL    host_find_failed_syntax= FALSE;
 646 uschar *host_lookup            = NULL;
 647 BOOL    host_lookup_deferred   = FALSE;
 648 BOOL    host_lookup_failed     = FALSE;
 649 uschar *host_lookup_order      = US"bydns:byaddr";
 650 uschar *host_lookup_msg        = US"";
 651 int     host_number            = 0;
 652 uschar *host_number_string     = NULL;
 653 uschar *host_reject_connection = NULL;
 654 tree_node *hostlist_anchor     = NULL;
 655 int     hostlist_count         = 0;
 656 uschar *hosts_treat_as_local   = NULL;
 657 uschar *hosts_connection_nolog = NULL;
 658
 659 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 660 BOOL    ignore_fromline_local  = FALSE;
 661 uschar *ignore_fromline_hosts  = NULL;
 662 uschar *interface_address      = NULL;
 663 int     interface_port         = -1;
 664 BOOL    is_inetd               = FALSE;
 665 uschar *iterate_item           = NULL;
 666
 667 int     journal_fd             = -1;
 668
 669 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 670
 671 uschar *eldap_dn               = NULL;
 672 int     load_average           = -2;
 673 BOOL    local_error_message    = FALSE;
 674 BOOL    local_from_check       = TRUE;
 675 uschar *local_from_prefix      = NULL;
 676 uschar *local_from_suffix      = NULL;
 677
 678 #if HAVE_IPV6
 679 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 680 #else
 681 uschar *local_interfaces       = US"0.0.0.0";
 682 #endif
 683
 684 uschar *local_scan_data        = NULL;
 685 int     local_scan_timeout     = 5*60;
 686 BOOL    local_sender_retain    = FALSE;
 687 gid_t   local_user_gid         = (gid_t)(-1);
 688 uid_t   local_user_uid         = (uid_t)(-1);
 689
 690 tree_node *localpartlist_anchor= NULL;
 691 int     localpartlist_count    = 0;
 692 uschar *log_buffer             = NULL;
 693 unsigned int log_extra_selector = LX_default;
 694 uschar *log_file_path          = US LOG_FILE_PATH
 695                            "\0<--------------Space to patch log_file_path->";
 696
 697 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 698 are the ones that get put into log_write_selector. They can be used in calls to
 699 log_write() to test for the bit. The options with LX_xxx identifiers have
 700 values greater than 0x80000000 and are put int log_extra_selector (without the
 701 top bit). They are never used in calls to log_write(), but are tested
 702 independently. This separation became necessary when the number of log
 703 selectors was getting close to filling a 32-bit word. */
 704
 705 /* Note that this list must be in alphabetical order. */
 706
 707 bit_table log_options[]        = {
 708   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 709   { US"address_rewrite",              L_address_rewrite },
 710   { US"all",                          L_all },
 711   { US"all_parents",                  L_all_parents },
 712   { US"arguments",                    LX_arguments },
 713   { US"connection_reject",            L_connection_reject },
 714   { US"delay_delivery",               L_delay_delivery },
 715   { US"deliver_time",                 LX_deliver_time },
 716   { US"delivery_size",                LX_delivery_size },
 717   { US"dnslist_defer",                L_dnslist_defer },
 718   { US"etrn",                         L_etrn },
 719   { US"host_lookup_failed",           L_host_lookup_failed },
 720   { US"ident_timeout",                LX_ident_timeout },
 721   { US"incoming_interface",           LX_incoming_interface },
 722   { US"incoming_port",                LX_incoming_port },
 723   { US"lost_incoming_connection",     L_lost_incoming_connection },
 724   { US"outgoing_port",                LX_outgoing_port },
 725   { US"pid",                          LX_pid },
 726   { US"queue_run",                    L_queue_run },
 727   { US"queue_time",                   LX_queue_time },
 728   { US"queue_time_overall",           LX_queue_time_overall },
 729   { US"received_recipients",          LX_received_recipients },
 730   { US"received_sender",              LX_received_sender },
 731   { US"rejected_header",              LX_rejected_header },
 732   { US"rejected_headers",             LX_rejected_header },
 733   { US"retry_defer",                  L_retry_defer },
 734   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 735   { US"sender_on_delivery",           LX_sender_on_delivery },
 736   { US"sender_verify_fail",           LX_sender_verify_fail },
 737   { US"size_reject",                  L_size_reject },
 738   { US"skip_delivery",                L_skip_delivery },
 739   { US"smtp_confirmation",            LX_smtp_confirmation },
 740   { US"smtp_connection",              L_smtp_connection },
 741   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 742   { US"smtp_no_mail",                 LX_smtp_no_mail },
 743   { US"smtp_protocol_error",          L_smtp_protocol_error },
 744   { US"smtp_syntax_error",            L_smtp_syntax_error },
 745   { US"subject",                      LX_subject },
 746   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 747   { US"tls_cipher",                   LX_tls_cipher },
 748   { US"tls_peerdn",                   LX_tls_peerdn },
 749   { US"unknown_in_list",              LX_unknown_in_list }
 750 };
 751
 752 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 753 int     log_reject_target      = 0;
 754 uschar *log_selector_string    = NULL;
 755 FILE   *log_stderr             = NULL;
 756 BOOL    log_testing_mode       = FALSE;
 757 BOOL    log_timezone           = FALSE;
 758 unsigned int log_write_selector= L_default;
 759 uschar *login_sender_address   = NULL;
 760 int     lookup_open_max        = 25;
 761 uschar *lookup_value           = NULL;
 762
 763 macro_item  *macros            = NULL;
 764 uschar *mailstore_basename     = NULL;
 765 #ifdef WITH_CONTENT_SCAN
 766 uschar *malware_name           = NULL;  /* Virus Name */
 767 #endif
 768 int     max_received_linelength= 0;
 769 int     max_username_length    = 0;
 770 int     message_age            = 0;
 771 uschar *message_body           = NULL;
 772 uschar *message_body_end       = NULL;
 773 BOOL    message_body_newlines  = FALSE;
 774 int     message_body_size      = 0;
 775 int     message_body_visible   = 500;
 776 int     message_ended          = END_NOTSTARTED;
 777 uschar *message_headers        = NULL;
 778 uschar *message_id;
 779 uschar *message_id_domain      = NULL;
 780 uschar *message_id_text        = NULL;
 781 struct timeval message_id_tv   = { 0, 0 };
 782 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 783 uschar *message_id_external;
 784 int     message_linecount      = 0;
 785 BOOL    message_logs           = TRUE;
 786 int     message_size           = 0;
 787 uschar *message_size_limit     = US"50M";
 788 uschar  message_subdir[2]      = { 0, 0 };
 789 uschar *message_reference      = NULL;
 790
 791 /* MIME ACL expandables */
 792 #ifdef WITH_CONTENT_SCAN
 793 int     mime_anomaly_level     = 0;
 794 const uschar *mime_anomaly_text      = NULL;
 795 uschar *mime_boundary          = NULL;
 796 uschar *mime_charset           = NULL;
 797 uschar *mime_content_description = NULL;
 798 uschar *mime_content_disposition = NULL;
 799 uschar *mime_content_id        = NULL;
 800 unsigned int mime_content_size = 0;
 801 uschar *mime_content_transfer_encoding = NULL;
 802 uschar *mime_content_type      = NULL;
 803 uschar *mime_decoded_filename  = NULL;
 804 uschar *mime_filename          = NULL;
 805 int     mime_is_multipart      = 0;
 806 int     mime_is_coverletter    = 0;
 807 int     mime_is_rfc822         = 0;
 808 int     mime_part_count        = -1;
 809 #endif
 810
 811 BOOL    mua_wrapper            = FALSE;
 812
 813 uid_t  *never_users            = NULL;
 814 #ifdef WITH_CONTENT_SCAN
 815 BOOL    no_mbox_unspool        = FALSE;
 816 #endif
 817 BOOL    no_multiline_responses = FALSE;
 818
 819 uid_t   original_euid;
 820 gid_t   originator_gid;
 821 uschar *originator_login       = NULL;
 822 uschar *originator_name        = NULL;
 823 uid_t   originator_uid;
 824 uschar *override_local_interfaces = NULL;
 825 uschar *override_pid_file_path = NULL;
 826
 827 BOOL    parse_allow_group      = FALSE;
 828 BOOL    parse_found_group      = FALSE;
 829 uschar *percent_hack_domains   = NULL;
 830 uschar *pid_file_path          = US PID_FILE_PATH
 831                            "\0<--------------Space to patch pid_file_path->";
 832 BOOL    pipelining_enable      = TRUE;
 833 uschar *pipelining_advertise_hosts = US"*";
 834 BOOL    preserve_message_logs  = FALSE;
 835 uschar *primary_hostname       = NULL;
 836 BOOL    print_topbitchars      = FALSE;
 837 uschar  process_info[PROCESS_INFO_SIZE];
 838 int     process_info_len       = 0;
 839 uschar *process_log_path       = NULL;
 840 BOOL    prod_requires_admin    = TRUE;
 841 uschar *prvscheck_address      = NULL;
 842 uschar *prvscheck_keynum       = NULL;
 843 uschar *prvscheck_result       = NULL;
 844
 845
 846 uschar *qualify_domain_recipient = NULL;
 847 uschar *qualify_domain_sender  = NULL;
 848 BOOL    queue_2stage           = FALSE;
 849 uschar *queue_domains          = NULL;
 850 int     queue_interval         = -1;
 851 BOOL    queue_list_requires_admin = TRUE;
 852 BOOL    queue_only             = FALSE;
 853 uschar *queue_only_file        = NULL;
 854 int     queue_only_load        = -1;
 855 BOOL    queue_only_load_latch  = TRUE;
 856 BOOL    queue_only_override    = TRUE;
 857 BOOL    queue_only_policy      = FALSE;
 858 BOOL    queue_run_first_delivery = FALSE;
 859 BOOL    queue_run_force        = FALSE;
 860 BOOL    queue_run_in_order     = FALSE;
 861 BOOL    queue_run_local        = FALSE;
 862 int     queue_run_max          = 5;
 863 pid_t   queue_run_pid          = (pid_t)0;
 864 int     queue_run_pipe         = -1;
 865 BOOL    queue_running          = FALSE;
 866 BOOL    queue_smtp             = FALSE;
 867 uschar *queue_smtp_domains     = NULL;
 868
 869 unsigned int random_seed       = 0;
 870 tree_node *ratelimiters_cmd    = NULL;
 871 tree_node *ratelimiters_conn   = NULL;
 872 tree_node *ratelimiters_mail   = NULL;
 873 uschar *raw_active_hostname    = NULL;
 874 uschar *raw_sender             = NULL;
 875 uschar **raw_recipients        = NULL;
 876 int     raw_recipients_count   = 0;
 877
 878 int     rcpt_count             = 0;
 879 int     rcpt_fail_count        = 0;
 880 int     rcpt_defer_count       = 0;
 881 gid_t   real_gid;
 882 uid_t   real_uid;
 883 BOOL    really_exim            = TRUE;
 884 BOOL    receive_call_bombout   = FALSE;
 885 int     receive_linecount      = 0;
 886 int     receive_messagecount   = 0;
 887 int     receive_timeout        = 0;
 888 int     received_count         = 0;
 889 uschar *received_for           = NULL;
 890
 891 /*  This is the default text for Received headers generated by Exim. The
 892 date  will be automatically added on the end. */
 893
 894 uschar *received_header_text   = US
 895      "Received: "
 896      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 897      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 898      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 899      "by $primary_hostname "
 900      "${if def:received_protocol {with $received_protocol}} "
 901      #ifdef SUPPORT_TLS
 902      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 903      #endif
 904      "(Exim $version_number)\n\t"
 905      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 906      "id $message_exim_id"
 907      "${if def:received_for {\n\tfor $received_for}}"
 908      "\0<---------------Space to patch received_header_text->";
 909
 910 int     received_headers_max   = 30;
 911 uschar *received_protocol      = NULL;
 912 int     received_time          = 0;
 913 uschar *recipient_data         = NULL;
 914 uschar *recipient_unqualified_hosts = NULL;
 915 uschar *recipient_verify_failure = NULL;
 916 int     recipients_count       = 0;
 917 BOOL    recipients_discarded   = FALSE;
 918 recipient_item  *recipients_list = NULL;
 919 int     recipients_list_max    = 0;
 920 int     recipients_max         = 0;
 921 BOOL    recipients_max_reject  = FALSE;
 922 const pcre *regex_AUTH         = NULL;
 923 const pcre *regex_check_dns_names = NULL;
 924 const pcre *regex_From         = NULL;
 925 const pcre *regex_IGNOREQUOTA  = NULL;
 926 const pcre *regex_PIPELINING   = NULL;
 927 const pcre *regex_SIZE         = NULL;
 928 const pcre *regex_smtp_code    = NULL;
 929 const pcre *regex_ismsgid      = NULL;
 930 #ifdef WHITELIST_D_MACROS
 931 const pcre *regex_whitelisted_macro = NULL;
 932 #endif
 933 #ifdef WITH_CONTENT_SCAN
 934 uschar *regex_match_string     = NULL;
 935 #endif
 936 int     remote_delivery_count  = 0;
 937 int     remote_max_parallel    = 2;
 938 uschar *remote_sort_domains    = NULL;
 939 int     retry_data_expire      = 7*24*60*60;
 940 int     retry_interval_max     = 24*60*60;
 941 int     retry_maximum_timeout  = 0;        /* set from retry config */
 942 retry_config  *retries         = NULL;
 943 uschar *return_path            = NULL;
 944 BOOL    return_path_remove     = TRUE;
 945 int     rewrite_existflags     = 0;
 946 uschar *rfc1413_hosts          = US"*";
 947 int     rfc1413_query_timeout  = 5;
 948 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 949 uid_t   root_gid               = ROOT_GID;
 950 uid_t   root_uid               = ROOT_UID;
 951
 952 router_instance  *routers  = NULL;
 953 router_instance  router_defaults = {
 954     NULL,                      /* chain pointer */
 955     NULL,                      /* name */
 956     NULL,                      /* info */
 957     NULL,                      /* private options block pointer */
 958     NULL,                      /* driver name */
 959
 960     NULL,                      /* address_data */
 961 #ifdef EXPERIMENTAL_BRIGHTMAIL
 962     NULL,                      /* bmi_rule */
 963 #endif
 964     NULL,                      /* cannot_route_message */
 965     NULL,                      /* condition */
 966     NULL,                      /* current_directory */
 967     NULL,                      /* debug_string */
 968     NULL,                      /* domains */
 969     NULL,                      /* errors_to */
 970     NULL,                      /* expand_gid */
 971     NULL,                      /* expand_uid */
 972     NULL,                      /* expand_more */
 973     NULL,                      /* expand_unseen */
 974     NULL,                      /* extra_headers */
 975     NULL,                      /* fallback_hosts */
 976     NULL,                      /* home_directory */
 977     NULL,                      /* ignore_target_hosts */
 978     NULL,                      /* local_parts */
 979     NULL,                      /* pass_router_name */
 980     NULL,                      /* prefix */
 981     NULL,                      /* redirect_router_name */
 982     NULL,                      /* remove_headers */
 983     NULL,                      /* require_files */
 984     NULL,                      /* router_home_directory */
 985     US"freeze",                /* self */
 986     NULL,                      /* senders */
 987     NULL,                      /* suffix */
 988     NULL,                      /* translate_ip_address */
 989     NULL,                      /* transport_name */
 990
 991     TRUE,                      /* address_test */
 992 #ifdef EXPERIMENTAL_BRIGHTMAIL
 993     FALSE,                     /* bmi_deliver_alternate */
 994     FALSE,                     /* bmi_deliver_default */
 995     FALSE,                     /* bmi_dont_deliver */
 996 #endif
 997     TRUE,                      /* expn */
 998     FALSE,                     /* caseful_local_part */
 999     FALSE,                     /* check_local_user */
1000     FALSE,                     /* disable_logging */
1001     FALSE,                     /* fail_verify_recipient */
1002     FALSE,                     /* fail_verify_sender */
1003     FALSE,                     /* gid_set */
1004     FALSE,                     /* initgroups */
1005     TRUE_UNSET,                /* log_as_local */
1006     TRUE,                      /* more */
1007     FALSE,                     /* pass_on_timeout */
1008     FALSE,                     /* prefix_optional */
1009     TRUE,                      /* repeat_use */
1010     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1011     FALSE,                     /* same_domain_copy_routing */
1012     FALSE,                     /* self_rewrite */
1013     FALSE,                     /* suffix_optional */
1014     FALSE,                     /* verify_only */
1015     TRUE,                      /* verify_recipient */
1016     TRUE,                      /* verify_sender */
1017     FALSE,                     /* uid_set */
1018     FALSE,                     /* unseen */
1019
1020     self_freeze,               /* self_code */
1021     (uid_t)(-1),               /* uid */
1022     (gid_t)(-1),               /* gid */
1023
1024     NULL,                      /* fallback_hostlist */
1025     NULL,                      /* transport instance */
1026     NULL,                      /* pass_router */
1027     NULL                       /* redirect_router */
1028 };
1029
1030 ip_address_item *running_interfaces = NULL;
1031 BOOL    running_in_test_harness = FALSE;
1032
1033 /* This is a weird one. The following string gets patched in the binary by the
1034 script that sets up a copy of Exim for running in the test harness. It seems
1035 that compilers are now clever, and share constant strings if they can.
1036 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1037 make use of the end of this string in order to save space. So the patching then
1038 wrecks this. We defeat this optimization by adding some additional characters
1039 onto the end of the string. */
1040
1041 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1042
1043 int     runrc                  = 0;
1044
1045 uschar *search_error_message   = NULL;
1046 BOOL    search_find_defer      = FALSE;
1047 uschar *self_hostname          = NULL;
1048 uschar *sender_address         = NULL;
1049 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1050 uschar *sender_address_data    = NULL;
1051 BOOL    sender_address_forced  = FALSE;
1052 uschar *sender_address_unrewritten = NULL;
1053 uschar *sender_data            = NULL;
1054 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1055 uschar *sender_fullhost        = NULL;
1056 uschar *sender_helo_name       = NULL;
1057 uschar **sender_host_aliases   = &no_aliases;
1058 uschar *sender_host_address    = NULL;
1059 uschar *sender_host_authenticated = NULL;
1060 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1061 uschar *sender_host_name       = NULL;
1062 int     sender_host_port       = 0;
1063 BOOL    sender_host_notsocket  = FALSE;
1064 BOOL    sender_host_unknown    = FALSE;
1065 uschar *sender_ident           = NULL;
1066 BOOL    sender_local           = FALSE;
1067 BOOL    sender_name_forced     = FALSE;
1068 uschar *sender_rate            = NULL;
1069 uschar *sender_rate_limit      = NULL;
1070 uschar *sender_rate_period     = NULL;
1071 uschar *sender_rcvhost         = NULL;
1072 BOOL    sender_set_untrusted   = FALSE;
1073 uschar *sender_unqualified_hosts = NULL;
1074 uschar *sender_verify_failure = NULL;
1075 address_item *sender_verified_list  = NULL;
1076 address_item *sender_verified_failed = NULL;
1077 int     sender_verified_rc     = -1;
1078 BOOL    sender_verified_responded = FALSE;
1079 uschar *sending_ip_address     = NULL;
1080 int     sending_port           = -1;
1081 SIGNAL_BOOL sigalrm_seen       = FALSE;
1082 uschar **sighup_argv           = NULL;
1083 int     smtp_accept_count      = 0;
1084 BOOL    smtp_accept_keepalive  = TRUE;
1085 int     smtp_accept_max        = 20;
1086 int     smtp_accept_max_nonmail= 10;
1087 uschar *smtp_accept_max_nonmail_hosts = US"*";
1088 int     smtp_accept_max_per_connection = 1000;
1089 uschar *smtp_accept_max_per_host = NULL;
1090 int     smtp_accept_queue      = 0;
1091 int     smtp_accept_queue_per_connection = 10;
1092 int     smtp_accept_reserve    = 0;
1093 uschar *smtp_active_hostname   = NULL;
1094 BOOL    smtp_authenticated     = FALSE;
1095 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1096                              "Exim $version_number $tod_full"
1097                              "\0<---------------Space to patch smtp_banner->";
1098 BOOL    smtp_batched_input     = FALSE;
1099 BOOL    smtp_check_spool_space = TRUE;
1100 int     smtp_ch_index          = 0;
1101 uschar *smtp_cmd_argument      = NULL;
1102 uschar *smtp_cmd_buffer        = NULL;
1103 time_t  smtp_connection_start  = 0;
1104 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1105 int     smtp_connect_backlog   = 20;
1106 double  smtp_delay_mail        = 0.0;
1107 double  smtp_delay_rcpt        = 0.0;
1108 BOOL    smtp_enforce_sync      = TRUE;
1109 FILE   *smtp_in                = NULL;
1110 BOOL    smtp_input             = FALSE;
1111 int     smtp_load_reserve      = -1;
1112 int     smtp_mailcmd_count     = 0;
1113 FILE   *smtp_out               = NULL;
1114 uschar *smtp_etrn_command      = NULL;
1115 BOOL    smtp_etrn_serialize    = TRUE;
1116 int     smtp_max_synprot_errors= 3;
1117 int     smtp_max_unknown_commands = 3;
1118 uschar *smtp_notquit_reason    = NULL;
1119 uschar *smtp_ratelimit_hosts   = NULL;
1120 uschar *smtp_ratelimit_mail    = NULL;
1121 uschar *smtp_ratelimit_rcpt    = NULL;
1122 uschar *smtp_read_error        = US"";
1123 int     smtp_receive_timeout   = 5*60;
1124 uschar *smtp_reserve_hosts     = NULL;
1125 BOOL    smtp_return_error_details = FALSE;
1126 int     smtp_rlm_base          = 0;
1127 double  smtp_rlm_factor        = 0.0;
1128 int     smtp_rlm_limit         = 0;
1129 int     smtp_rlm_threshold     = INT_MAX;
1130 int     smtp_rlr_base          = 0;
1131 double  smtp_rlr_factor        = 0.0;
1132 int     smtp_rlr_limit         = 0;
1133 int     smtp_rlr_threshold     = INT_MAX;
1134 BOOL    smtp_use_pipelining    = FALSE;
1135 BOOL    smtp_use_size          = FALSE;
1136
1137 #ifdef WITH_CONTENT_SCAN
1138 uschar *spamd_address          = US"127.0.0.1 783";
1139 uschar *spam_bar               = NULL;
1140 uschar *spam_report            = NULL;
1141 uschar *spam_score             = NULL;
1142 uschar *spam_score_int         = NULL;
1143 #endif
1144 #ifdef EXPERIMENTAL_SPF
1145 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1146 uschar *spf_header_comment     = NULL;
1147 uschar *spf_received           = NULL;
1148 uschar *spf_result             = NULL;
1149 uschar *spf_smtp_comment       = NULL;
1150 #endif
1151
1152 BOOL    split_spool_directory  = FALSE;
1153 uschar *spool_directory        = US SPOOL_DIRECTORY
1154                            "\0<--------------Space to patch spool_directory->";
1155 #ifdef EXPERIMENTAL_SRS
1156 uschar *srs_config             = NULL;
1157 uschar *srs_db_address         = NULL;
1158 uschar *srs_db_key             = NULL;
1159 int     srs_hashlength         = 6;
1160 int     srs_hashmin            = -1;
1161 int     srs_maxage             = 31;
1162 uschar *srs_orig_recipient     = NULL;
1163 uschar *srs_orig_sender        = NULL;
1164 uschar *srs_recipient          = NULL;
1165 uschar *srs_secrets            = NULL;
1166 uschar *srs_status             = NULL;
1167 BOOL    srs_usehash            = TRUE;
1168 BOOL    srs_usetimestamp       = TRUE;
1169 #endif
1170 BOOL    strict_acl_vars        = FALSE;
1171 int     string_datestamp_offset= -1;
1172 int     string_datestamp_length= 0;
1173 int     string_datestamp_type  = -1;
1174 BOOL    strip_excess_angle_brackets = FALSE;
1175 BOOL    strip_trailing_dot     = FALSE;
1176 uschar *submission_domain      = NULL;
1177 BOOL    submission_mode        = FALSE;
1178 uschar *submission_name        = NULL;
1179 BOOL    suppress_local_fixups  = FALSE;
1180 BOOL    synchronous_delivery   = FALSE;
1181 BOOL    syslog_duplication     = TRUE;
1182 int     syslog_facility        = LOG_MAIL;
1183 uschar *syslog_processname     = US"exim";
1184 BOOL    syslog_timestamp       = TRUE;
1185 uschar *system_filter          = NULL;
1186
1187 uschar *system_filter_directory_transport = NULL;
1188 uschar *system_filter_file_transport = NULL;
1189 uschar *system_filter_pipe_transport = NULL;
1190 uschar *system_filter_reply_transport = NULL;
1191
1192 gid_t   system_filter_gid      = 0;
1193 BOOL    system_filter_gid_set  = FALSE;
1194 uid_t   system_filter_uid      = (uid_t)-1;
1195 BOOL    system_filter_uid_set  = FALSE;
1196 BOOL    system_filtering       = FALSE;
1197
1198 BOOL    tcp_nodelay            = TRUE;
1199 #ifdef USE_TCP_WRAPPERS
1200 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1201 #endif
1202 int     test_harness_load_avg  = 0;
1203 int     thismessage_size_limit = 0;
1204 int     timeout_frozen_after   = 0;
1205 BOOL    timestamps_utc         = FALSE;
1206
1207 transport_instance  *transports = NULL;
1208
1209 transport_instance  transport_defaults = {
1210     NULL,                     /* chain pointer */
1211     NULL,                     /* name */
1212     NULL,                     /* info */
1213     NULL,                     /* private options block pointer */
1214     NULL,                     /* driver name */
1215     NULL,                     /* setup entry point */
1216     1,                        /* batch_max */
1217     NULL,                     /* batch_id */
1218     NULL,                     /* home_dir */
1219     NULL,                     /* current_dir */
1220     TRUE,                     /* multi-domain */
1221     FALSE,                    /* overrides_hosts */
1222     100,                      /* max_addresses */
1223     500,                      /* connection_max_messages */
1224     FALSE,                    /* deliver_as_creator */
1225     FALSE,                    /* disable_logging */
1226     FALSE,                    /* initgroups */
1227     FALSE,                    /* uid_set */
1228     FALSE,                    /* gid_set */
1229     (uid_t)(-1),              /* uid */
1230     (gid_t)(-1),              /* gid */
1231     NULL,                     /* expand_uid */
1232     NULL,                     /* expand_gid */
1233     NULL,                     /* warn_message */
1234     NULL,                     /* shadow */
1235     NULL,                     /* shadow_condition */
1236     NULL,                     /* filter_command */
1237     NULL,                     /* add_headers */
1238     NULL,                     /* remove_headers */
1239     NULL,                     /* return_path */
1240     NULL,                     /* debug_string */
1241     NULL,                     /* message_size_limit */
1242     NULL,                     /* headers_rewrite */
1243     NULL,                     /* rewrite_rules */
1244     0,                        /* rewrite_existflags */
1245     300,                      /* filter_timeout */
1246     FALSE,                    /* body_only */
1247     FALSE,                    /* delivery_date_add */
1248     FALSE,                    /* envelope_to_add */
1249     FALSE,                    /* headers_only */
1250     FALSE,                    /* rcpt_include_affixes */
1251     FALSE,                    /* return_path_add */
1252     FALSE,                    /* return_output */
1253     FALSE,                    /* return_fail_output */
1254     FALSE,                    /* log_output */
1255     FALSE,                    /* log_fail_output */
1256     FALSE,                    /* log_defer_output */
1257     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1258                                  1 nor 0 so can detect unset */
1259 };
1260
1261 int     transport_count;
1262 int     transport_newlines;
1263 uschar **transport_filter_argv  = NULL;
1264 int     transport_filter_timeout;
1265 BOOL    transport_filter_timed_out = FALSE;
1266 int     transport_write_timeout= 0;
1267
1268 tree_node  *tree_dns_fails     = NULL;
1269 tree_node  *tree_duplicates    = NULL;
1270 tree_node  *tree_nonrecipients = NULL;
1271 tree_node  *tree_unusable      = NULL;
1272
1273 BOOL    trusted_caller         = FALSE;
1274 BOOL    trusted_config         = TRUE;
1275 gid_t  *trusted_groups         = NULL;
1276 uid_t  *trusted_users          = NULL;
1277 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1278
1279 uschar *unknown_login          = NULL;
1280 uschar *unknown_username       = NULL;
1281 uschar *untrusted_set_sender   = NULL;
1282
1283 /*  A regex for matching a "From_" line in an incoming message, in the form
1284
1285     From ph10 Fri Jan  5 12:35 GMT 1996
1286
1287 which  the "mail" commands send to the MTA (undocumented, of course), or in
1288 the  form
1289
1290     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1291
1292 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1293 Because  of variations in time formats, just match up to the minutes. That
1294 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1295 so  just require one digit for hours and minutes. The weekday is also absent
1296 in  some forms. */
1297
1298 uschar *uucp_from_pattern      = US
1299    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1300    "(?:"                                          /* Non-extracting bracket */
1301    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1302    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1303    ")"                                            /* End alternation */
1304    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1305
1306 uschar *uucp_from_sender       = US"$1";
1307
1308 uschar *warn_message_file      = NULL;
1309 uschar *warnmsg_delay          = NULL;
1310 uschar *warnmsg_recipients     = NULL;
1311 BOOL    write_rejectlog        = TRUE;
1312
1313 uschar *version_copyright      = US"Copyright (c) University of Cambridge, 1995 - 2007";
1314 uschar *version_date           = US"?";
1315 uschar *version_cnumber        = US"????";
1316 uschar *version_string         = US"?";
1317
1318 int     warning_count          = 0;
1319
1320 /*  End of globals.c */