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