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 into 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"tls_sni",                      LX_tls_sni },
 750   { US"unknown_in_list",              LX_unknown_in_list }
 751 };
 752
 753 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 754 int     log_reject_target      = 0;
 755 uschar *log_selector_string    = NULL;
 756 FILE   *log_stderr             = NULL;
 757 BOOL    log_testing_mode       = FALSE;
 758 BOOL    log_timezone           = FALSE;
 759 unsigned int log_write_selector= L_default;
 760 uschar *login_sender_address   = NULL;
 761 int     lookup_open_max        = 25;
 762 uschar *lookup_value           = NULL;
 763
 764 macro_item  *macros            = NULL;
 765 uschar *mailstore_basename     = NULL;
 766 #ifdef WITH_CONTENT_SCAN
 767 uschar *malware_name           = NULL;  /* Virus Name */
 768 #endif
 769 int     max_received_linelength= 0;
 770 int     max_username_length    = 0;
 771 int     message_age            = 0;
 772 uschar *message_body           = NULL;
 773 uschar *message_body_end       = NULL;
 774 BOOL    message_body_newlines  = FALSE;
 775 int     message_body_size      = 0;
 776 int     message_body_visible   = 500;
 777 int     message_ended          = END_NOTSTARTED;
 778 uschar *message_headers        = NULL;
 779 uschar *message_id;
 780 uschar *message_id_domain      = NULL;
 781 uschar *message_id_text        = NULL;
 782 struct timeval message_id_tv   = { 0, 0 };
 783 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 784 uschar *message_id_external;
 785 int     message_linecount      = 0;
 786 BOOL    message_logs           = TRUE;
 787 int     message_size           = 0;
 788 uschar *message_size_limit     = US"50M";
 789 uschar  message_subdir[2]      = { 0, 0 };
 790 uschar *message_reference      = NULL;
 791
 792 /* MIME ACL expandables */
 793 #ifdef WITH_CONTENT_SCAN
 794 int     mime_anomaly_level     = 0;
 795 const uschar *mime_anomaly_text      = NULL;
 796 uschar *mime_boundary          = NULL;
 797 uschar *mime_charset           = NULL;
 798 uschar *mime_content_description = NULL;
 799 uschar *mime_content_disposition = NULL;
 800 uschar *mime_content_id        = NULL;
 801 unsigned int mime_content_size = 0;
 802 uschar *mime_content_transfer_encoding = NULL;
 803 uschar *mime_content_type      = NULL;
 804 uschar *mime_decoded_filename  = NULL;
 805 uschar *mime_filename          = NULL;
 806 int     mime_is_multipart      = 0;
 807 int     mime_is_coverletter    = 0;
 808 int     mime_is_rfc822         = 0;
 809 int     mime_part_count        = -1;
 810 #endif
 811
 812 BOOL    mua_wrapper            = FALSE;
 813
 814 uid_t  *never_users            = NULL;
 815 #ifdef WITH_CONTENT_SCAN
 816 BOOL    no_mbox_unspool        = FALSE;
 817 #endif
 818 BOOL    no_multiline_responses = FALSE;
 819
 820 uid_t   original_euid;
 821 gid_t   originator_gid;
 822 uschar *originator_login       = NULL;
 823 uschar *originator_name        = NULL;
 824 uid_t   originator_uid;
 825 uschar *override_local_interfaces = NULL;
 826 uschar *override_pid_file_path = NULL;
 827
 828 BOOL    parse_allow_group      = FALSE;
 829 BOOL    parse_found_group      = FALSE;
 830 uschar *percent_hack_domains   = NULL;
 831 uschar *pid_file_path          = US PID_FILE_PATH
 832                            "\0<--------------Space to patch pid_file_path->";
 833 BOOL    pipelining_enable      = TRUE;
 834 uschar *pipelining_advertise_hosts = US"*";
 835 BOOL    preserve_message_logs  = FALSE;
 836 uschar *primary_hostname       = NULL;
 837 BOOL    print_topbitchars      = FALSE;
 838 uschar  process_info[PROCESS_INFO_SIZE];
 839 int     process_info_len       = 0;
 840 uschar *process_log_path       = NULL;
 841 BOOL    prod_requires_admin    = TRUE;
 842 uschar *prvscheck_address      = NULL;
 843 uschar *prvscheck_keynum       = NULL;
 844 uschar *prvscheck_result       = NULL;
 845
 846
 847 uschar *qualify_domain_recipient = NULL;
 848 uschar *qualify_domain_sender  = NULL;
 849 BOOL    queue_2stage           = FALSE;
 850 uschar *queue_domains          = NULL;
 851 int     queue_interval         = -1;
 852 BOOL    queue_list_requires_admin = TRUE;
 853 BOOL    queue_only             = FALSE;
 854 uschar *queue_only_file        = NULL;
 855 int     queue_only_load        = -1;
 856 BOOL    queue_only_load_latch  = TRUE;
 857 BOOL    queue_only_override    = TRUE;
 858 BOOL    queue_only_policy      = FALSE;
 859 BOOL    queue_run_first_delivery = FALSE;
 860 BOOL    queue_run_force        = FALSE;
 861 BOOL    queue_run_in_order     = FALSE;
 862 BOOL    queue_run_local        = FALSE;
 863 int     queue_run_max          = 5;
 864 pid_t   queue_run_pid          = (pid_t)0;
 865 int     queue_run_pipe         = -1;
 866 BOOL    queue_running          = FALSE;
 867 BOOL    queue_smtp             = FALSE;
 868 uschar *queue_smtp_domains     = NULL;
 869
 870 unsigned int random_seed       = 0;
 871 tree_node *ratelimiters_cmd    = NULL;
 872 tree_node *ratelimiters_conn   = NULL;
 873 tree_node *ratelimiters_mail   = NULL;
 874 uschar *raw_active_hostname    = NULL;
 875 uschar *raw_sender             = NULL;
 876 uschar **raw_recipients        = NULL;
 877 int     raw_recipients_count   = 0;
 878
 879 int     rcpt_count             = 0;
 880 int     rcpt_fail_count        = 0;
 881 int     rcpt_defer_count       = 0;
 882 gid_t   real_gid;
 883 uid_t   real_uid;
 884 BOOL    really_exim            = TRUE;
 885 BOOL    receive_call_bombout   = FALSE;
 886 int     receive_linecount      = 0;
 887 int     receive_messagecount   = 0;
 888 int     receive_timeout        = 0;
 889 int     received_count         = 0;
 890 uschar *received_for           = NULL;
 891
 892 /*  This is the default text for Received headers generated by Exim. The
 893 date  will be automatically added on the end. */
 894
 895 uschar *received_header_text   = US
 896      "Received: "
 897      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 898      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 899      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 900      "by $primary_hostname "
 901      "${if def:received_protocol {with $received_protocol}} "
 902      #ifdef SUPPORT_TLS
 903      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 904      #endif
 905      "(Exim $version_number)\n\t"
 906      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 907      "id $message_exim_id"
 908      "${if def:received_for {\n\tfor $received_for}}"
 909      "\0<---------------Space to patch received_header_text->";
 910
 911 int     received_headers_max   = 30;
 912 uschar *received_protocol      = NULL;
 913 int     received_time          = 0;
 914 uschar *recipient_data         = NULL;
 915 uschar *recipient_unqualified_hosts = NULL;
 916 uschar *recipient_verify_failure = NULL;
 917 int     recipients_count       = 0;
 918 BOOL    recipients_discarded   = FALSE;
 919 recipient_item  *recipients_list = NULL;
 920 int     recipients_list_max    = 0;
 921 int     recipients_max         = 0;
 922 BOOL    recipients_max_reject  = FALSE;
 923 const pcre *regex_AUTH         = NULL;
 924 const pcre *regex_check_dns_names = NULL;
 925 const pcre *regex_From         = NULL;
 926 const pcre *regex_IGNOREQUOTA  = NULL;
 927 const pcre *regex_PIPELINING   = NULL;
 928 const pcre *regex_SIZE         = NULL;
 929 const pcre *regex_smtp_code    = NULL;
 930 const pcre *regex_ismsgid      = NULL;
 931 #ifdef WHITELIST_D_MACROS
 932 const pcre *regex_whitelisted_macro = NULL;
 933 #endif
 934 #ifdef WITH_CONTENT_SCAN
 935 uschar *regex_match_string     = NULL;
 936 #endif
 937 int     remote_delivery_count  = 0;
 938 int     remote_max_parallel    = 2;
 939 uschar *remote_sort_domains    = NULL;
 940 int     retry_data_expire      = 7*24*60*60;
 941 int     retry_interval_max     = 24*60*60;
 942 int     retry_maximum_timeout  = 0;        /* set from retry config */
 943 retry_config  *retries         = NULL;
 944 uschar *return_path            = NULL;
 945 BOOL    return_path_remove     = TRUE;
 946 int     rewrite_existflags     = 0;
 947 uschar *rfc1413_hosts          = US"*";
 948 int     rfc1413_query_timeout  = 5;
 949 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 950 uid_t   root_gid               = ROOT_GID;
 951 uid_t   root_uid               = ROOT_UID;
 952
 953 router_instance  *routers  = NULL;
 954 router_instance  router_defaults = {
 955     NULL,                      /* chain pointer */
 956     NULL,                      /* name */
 957     NULL,                      /* info */
 958     NULL,                      /* private options block pointer */
 959     NULL,                      /* driver name */
 960
 961     NULL,                      /* address_data */
 962 #ifdef EXPERIMENTAL_BRIGHTMAIL
 963     NULL,                      /* bmi_rule */
 964 #endif
 965     NULL,                      /* cannot_route_message */
 966     NULL,                      /* condition */
 967     NULL,                      /* current_directory */
 968     NULL,                      /* debug_string */
 969     NULL,                      /* domains */
 970     NULL,                      /* errors_to */
 971     NULL,                      /* expand_gid */
 972     NULL,                      /* expand_uid */
 973     NULL,                      /* expand_more */
 974     NULL,                      /* expand_unseen */
 975     NULL,                      /* extra_headers */
 976     NULL,                      /* fallback_hosts */
 977     NULL,                      /* home_directory */
 978     NULL,                      /* ignore_target_hosts */
 979     NULL,                      /* local_parts */
 980     NULL,                      /* pass_router_name */
 981     NULL,                      /* prefix */
 982     NULL,                      /* redirect_router_name */
 983     NULL,                      /* remove_headers */
 984     NULL,                      /* require_files */
 985     NULL,                      /* router_home_directory */
 986     US"freeze",                /* self */
 987     NULL,                      /* senders */
 988     NULL,                      /* suffix */
 989     NULL,                      /* translate_ip_address */
 990     NULL,                      /* transport_name */
 991
 992     TRUE,                      /* address_test */
 993 #ifdef EXPERIMENTAL_BRIGHTMAIL
 994     FALSE,                     /* bmi_deliver_alternate */
 995     FALSE,                     /* bmi_deliver_default */
 996     FALSE,                     /* bmi_dont_deliver */
 997 #endif
 998     TRUE,                      /* expn */
 999     FALSE,                     /* caseful_local_part */
1000     FALSE,                     /* check_local_user */
1001     FALSE,                     /* disable_logging */
1002     FALSE,                     /* fail_verify_recipient */
1003     FALSE,                     /* fail_verify_sender */
1004     FALSE,                     /* gid_set */
1005     FALSE,                     /* initgroups */
1006     TRUE_UNSET,                /* log_as_local */
1007     TRUE,                      /* more */
1008     FALSE,                     /* pass_on_timeout */
1009     FALSE,                     /* prefix_optional */
1010     TRUE,                      /* repeat_use */
1011     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1012     FALSE,                     /* same_domain_copy_routing */
1013     FALSE,                     /* self_rewrite */
1014     FALSE,                     /* suffix_optional */
1015     FALSE,                     /* verify_only */
1016     TRUE,                      /* verify_recipient */
1017     TRUE,                      /* verify_sender */
1018     FALSE,                     /* uid_set */
1019     FALSE,                     /* unseen */
1020
1021     self_freeze,               /* self_code */
1022     (uid_t)(-1),               /* uid */
1023     (gid_t)(-1),               /* gid */
1024
1025     NULL,                      /* fallback_hostlist */
1026     NULL,                      /* transport instance */
1027     NULL,                      /* pass_router */
1028     NULL                       /* redirect_router */
1029 };
1030
1031 ip_address_item *running_interfaces = NULL;
1032 BOOL    running_in_test_harness = FALSE;
1033
1034 /* This is a weird one. The following string gets patched in the binary by the
1035 script that sets up a copy of Exim for running in the test harness. It seems
1036 that compilers are now clever, and share constant strings if they can.
1037 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1038 make use of the end of this string in order to save space. So the patching then
1039 wrecks this. We defeat this optimization by adding some additional characters
1040 onto the end of the string. */
1041
1042 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1043
1044 int     runrc                  = 0;
1045
1046 uschar *search_error_message   = NULL;
1047 BOOL    search_find_defer      = FALSE;
1048 uschar *self_hostname          = NULL;
1049 uschar *sender_address         = NULL;
1050 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1051 uschar *sender_address_data    = NULL;
1052 BOOL    sender_address_forced  = FALSE;
1053 uschar *sender_address_unrewritten = NULL;
1054 uschar *sender_data            = NULL;
1055 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1056 uschar *sender_fullhost        = NULL;
1057 uschar *sender_helo_name       = NULL;
1058 uschar **sender_host_aliases   = &no_aliases;
1059 uschar *sender_host_address    = NULL;
1060 uschar *sender_host_authenticated = NULL;
1061 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1062 uschar *sender_host_name       = NULL;
1063 int     sender_host_port       = 0;
1064 BOOL    sender_host_notsocket  = FALSE;
1065 BOOL    sender_host_unknown    = FALSE;
1066 uschar *sender_ident           = NULL;
1067 BOOL    sender_local           = FALSE;
1068 BOOL    sender_name_forced     = FALSE;
1069 uschar *sender_rate            = NULL;
1070 uschar *sender_rate_limit      = NULL;
1071 uschar *sender_rate_period     = NULL;
1072 uschar *sender_rcvhost         = NULL;
1073 BOOL    sender_set_untrusted   = FALSE;
1074 uschar *sender_unqualified_hosts = NULL;
1075 uschar *sender_verify_failure = NULL;
1076 address_item *sender_verified_list  = NULL;
1077 address_item *sender_verified_failed = NULL;
1078 int     sender_verified_rc     = -1;
1079 BOOL    sender_verified_responded = FALSE;
1080 uschar *sending_ip_address     = NULL;
1081 int     sending_port           = -1;
1082 SIGNAL_BOOL sigalrm_seen       = FALSE;
1083 uschar **sighup_argv           = NULL;
1084 int     smtp_accept_count      = 0;
1085 BOOL    smtp_accept_keepalive  = TRUE;
1086 int     smtp_accept_max        = 20;
1087 int     smtp_accept_max_nonmail= 10;
1088 uschar *smtp_accept_max_nonmail_hosts = US"*";
1089 int     smtp_accept_max_per_connection = 1000;
1090 uschar *smtp_accept_max_per_host = NULL;
1091 int     smtp_accept_queue      = 0;
1092 int     smtp_accept_queue_per_connection = 10;
1093 int     smtp_accept_reserve    = 0;
1094 uschar *smtp_active_hostname   = NULL;
1095 BOOL    smtp_authenticated     = FALSE;
1096 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1097                              "Exim $version_number $tod_full"
1098                              "\0<---------------Space to patch smtp_banner->";
1099 BOOL    smtp_batched_input     = FALSE;
1100 BOOL    smtp_check_spool_space = TRUE;
1101 int     smtp_ch_index          = 0;
1102 uschar *smtp_cmd_argument      = NULL;
1103 uschar *smtp_cmd_buffer        = NULL;
1104 time_t  smtp_connection_start  = 0;
1105 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1106 int     smtp_connect_backlog   = 20;
1107 double  smtp_delay_mail        = 0.0;
1108 double  smtp_delay_rcpt        = 0.0;
1109 BOOL    smtp_enforce_sync      = TRUE;
1110 FILE   *smtp_in                = NULL;
1111 BOOL    smtp_input             = FALSE;
1112 int     smtp_load_reserve      = -1;
1113 int     smtp_mailcmd_count     = 0;
1114 FILE   *smtp_out               = NULL;
1115 uschar *smtp_etrn_command      = NULL;
1116 BOOL    smtp_etrn_serialize    = TRUE;
1117 int     smtp_max_synprot_errors= 3;
1118 int     smtp_max_unknown_commands = 3;
1119 uschar *smtp_notquit_reason    = NULL;
1120 uschar *smtp_ratelimit_hosts   = NULL;
1121 uschar *smtp_ratelimit_mail    = NULL;
1122 uschar *smtp_ratelimit_rcpt    = NULL;
1123 uschar *smtp_read_error        = US"";
1124 int     smtp_receive_timeout   = 5*60;
1125 uschar *smtp_reserve_hosts     = NULL;
1126 BOOL    smtp_return_error_details = FALSE;
1127 int     smtp_rlm_base          = 0;
1128 double  smtp_rlm_factor        = 0.0;
1129 int     smtp_rlm_limit         = 0;
1130 int     smtp_rlm_threshold     = INT_MAX;
1131 int     smtp_rlr_base          = 0;
1132 double  smtp_rlr_factor        = 0.0;
1133 int     smtp_rlr_limit         = 0;
1134 int     smtp_rlr_threshold     = INT_MAX;
1135 BOOL    smtp_use_pipelining    = FALSE;
1136 BOOL    smtp_use_size          = FALSE;
1137
1138 #ifdef WITH_CONTENT_SCAN
1139 uschar *spamd_address          = US"127.0.0.1 783";
1140 uschar *spam_bar               = NULL;
1141 uschar *spam_report            = NULL;
1142 uschar *spam_score             = NULL;
1143 uschar *spam_score_int         = NULL;
1144 #endif
1145 #ifdef EXPERIMENTAL_SPF
1146 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1147 uschar *spf_header_comment     = NULL;
1148 uschar *spf_received           = NULL;
1149 uschar *spf_result             = NULL;
1150 uschar *spf_smtp_comment       = NULL;
1151 #endif
1152
1153 BOOL    split_spool_directory  = FALSE;
1154 uschar *spool_directory        = US SPOOL_DIRECTORY
1155                            "\0<--------------Space to patch spool_directory->";
1156 #ifdef EXPERIMENTAL_SRS
1157 uschar *srs_config             = NULL;
1158 uschar *srs_db_address         = NULL;
1159 uschar *srs_db_key             = NULL;
1160 int     srs_hashlength         = 6;
1161 int     srs_hashmin            = -1;
1162 int     srs_maxage             = 31;
1163 uschar *srs_orig_recipient     = NULL;
1164 uschar *srs_orig_sender        = NULL;
1165 uschar *srs_recipient          = NULL;
1166 uschar *srs_secrets            = NULL;
1167 uschar *srs_status             = NULL;
1168 BOOL    srs_usehash            = TRUE;
1169 BOOL    srs_usetimestamp       = TRUE;
1170 #endif
1171 BOOL    strict_acl_vars        = FALSE;
1172 int     string_datestamp_offset= -1;
1173 int     string_datestamp_length= 0;
1174 int     string_datestamp_type  = -1;
1175 BOOL    strip_excess_angle_brackets = FALSE;
1176 BOOL    strip_trailing_dot     = FALSE;
1177 uschar *submission_domain      = NULL;
1178 BOOL    submission_mode        = FALSE;
1179 uschar *submission_name        = NULL;
1180 BOOL    suppress_local_fixups  = FALSE;
1181 BOOL    synchronous_delivery   = FALSE;
1182 BOOL    syslog_duplication     = TRUE;
1183 int     syslog_facility        = LOG_MAIL;
1184 uschar *syslog_processname     = US"exim";
1185 BOOL    syslog_timestamp       = TRUE;
1186 uschar *system_filter          = NULL;
1187
1188 uschar *system_filter_directory_transport = NULL;
1189 uschar *system_filter_file_transport = NULL;
1190 uschar *system_filter_pipe_transport = NULL;
1191 uschar *system_filter_reply_transport = NULL;
1192
1193 gid_t   system_filter_gid      = 0;
1194 BOOL    system_filter_gid_set  = FALSE;
1195 uid_t   system_filter_uid      = (uid_t)-1;
1196 BOOL    system_filter_uid_set  = FALSE;
1197 BOOL    system_filtering       = FALSE;
1198
1199 BOOL    tcp_nodelay            = TRUE;
1200 #ifdef USE_TCP_WRAPPERS
1201 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1202 #endif
1203 int     test_harness_load_avg  = 0;
1204 int     thismessage_size_limit = 0;
1205 int     timeout_frozen_after   = 0;
1206 BOOL    timestamps_utc         = FALSE;
1207
1208 transport_instance  *transports = NULL;
1209
1210 transport_instance  transport_defaults = {
1211     NULL,                     /* chain pointer */
1212     NULL,                     /* name */
1213     NULL,                     /* info */
1214     NULL,                     /* private options block pointer */
1215     NULL,                     /* driver name */
1216     NULL,                     /* setup entry point */
1217     1,                        /* batch_max */
1218     NULL,                     /* batch_id */
1219     NULL,                     /* home_dir */
1220     NULL,                     /* current_dir */
1221     TRUE,                     /* multi-domain */
1222     FALSE,                    /* overrides_hosts */
1223     100,                      /* max_addresses */
1224     500,                      /* connection_max_messages */
1225     FALSE,                    /* deliver_as_creator */
1226     FALSE,                    /* disable_logging */
1227     FALSE,                    /* initgroups */
1228     FALSE,                    /* uid_set */
1229     FALSE,                    /* gid_set */
1230     (uid_t)(-1),              /* uid */
1231     (gid_t)(-1),              /* gid */
1232     NULL,                     /* expand_uid */
1233     NULL,                     /* expand_gid */
1234     NULL,                     /* warn_message */
1235     NULL,                     /* shadow */
1236     NULL,                     /* shadow_condition */
1237     NULL,                     /* filter_command */
1238     NULL,                     /* add_headers */
1239     NULL,                     /* remove_headers */
1240     NULL,                     /* return_path */
1241     NULL,                     /* debug_string */
1242     NULL,                     /* message_size_limit */
1243     NULL,                     /* headers_rewrite */
1244     NULL,                     /* rewrite_rules */
1245     0,                        /* rewrite_existflags */
1246     300,                      /* filter_timeout */
1247     FALSE,                    /* body_only */
1248     FALSE,                    /* delivery_date_add */
1249     FALSE,                    /* envelope_to_add */
1250     FALSE,                    /* headers_only */
1251     FALSE,                    /* rcpt_include_affixes */
1252     FALSE,                    /* return_path_add */
1253     FALSE,                    /* return_output */
1254     FALSE,                    /* return_fail_output */
1255     FALSE,                    /* log_output */
1256     FALSE,                    /* log_fail_output */
1257     FALSE,                    /* log_defer_output */
1258     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1259                                  1 nor 0 so can detect unset */
1260 };
1261
1262 int     transport_count;
1263 int     transport_newlines;
1264 uschar **transport_filter_argv  = NULL;
1265 int     transport_filter_timeout;
1266 BOOL    transport_filter_timed_out = FALSE;
1267 int     transport_write_timeout= 0;
1268
1269 tree_node  *tree_dns_fails     = NULL;
1270 tree_node  *tree_duplicates    = NULL;
1271 tree_node  *tree_nonrecipients = NULL;
1272 tree_node  *tree_unusable      = NULL;
1273
1274 BOOL    trusted_caller         = FALSE;
1275 BOOL    trusted_config         = TRUE;
1276 gid_t  *trusted_groups         = NULL;
1277 uid_t  *trusted_users          = NULL;
1278 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1279
1280 uschar *unknown_login          = NULL;
1281 uschar *unknown_username       = NULL;
1282 uschar *untrusted_set_sender   = NULL;
1283
1284 /*  A regex for matching a "From_" line in an incoming message, in the form
1285
1286     From ph10 Fri Jan  5 12:35 GMT 1996
1287
1288 which  the "mail" commands send to the MTA (undocumented, of course), or in
1289 the  form
1290
1291     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1292
1293 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1294 Because  of variations in time formats, just match up to the minutes. That
1295 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1296 so  just require one digit for hours and minutes. The weekday is also absent
1297 in  some forms. */
1298
1299 uschar *uucp_from_pattern      = US
1300    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1301    "(?:"                                          /* Non-extracting bracket */
1302    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1303    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1304    ")"                                            /* End alternation */
1305    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1306
1307 uschar *uucp_from_sender       = US"$1";
1308
1309 uschar *warn_message_file      = NULL;
1310 uschar *warnmsg_delay          = NULL;
1311 uschar *warnmsg_recipients     = NULL;
1312 BOOL    write_rejectlog        = TRUE;
1313
1314 uschar *version_copyright      = US"Copyright (c) University of Cambridge, 1995 - 2007";
1315 uschar *version_date           = US"?";
1316 uschar *version_cnumber        = US"????";
1317 uschar *version_string         = US"?";
1318
1319 int     warning_count          = 0;
1320
1321 /*  End of globals.c */