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