src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.86 2009/11/16 19:50:37 nm4 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2009 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* All the global variables are defined together in this one module, so
  11 that they are easy to find. */
  12
  13 #include "exim.h"
  14
  15
  16 /* The OSF1 linker puts out a worrying warning if any sections contain no
  17 executable code. It says
  18
  19 Warning: Linking some objects which contain exception information sections
  20         and some which do not. This may cause fatal runtime exception handling
  21         problems.
  22
  23 As this may cause people to worry needlessly, include a dummy function here
  24 to stop the message from appearing. Make it reference itself to stop picky
  25 compilers complaining that it is unused, and put in a dummy argument to stop
  26 even pickier compilers complaining about infinite loops. */
  27
  28 static void dummy(int x) { dummy(x-1); }
  29
  30
  31 /* Generic options for auths, all of which live inside auth_instance
  32 data blocks and hence have the opt_public flag set. */
  33
  34 optionlist optionlist_auths[] = {
  35   { "client_condition", opt_stringptr | opt_public,
  36                  (void *)(offsetof(auth_instance, client_condition)) },
  37   { "driver",        opt_stringptr | opt_public,
  38                  (void *)(offsetof(auth_instance, driver_name)) },
  39   { "public_name",   opt_stringptr | opt_public,
  40                  (void *)(offsetof(auth_instance, public_name)) },
  41   { "server_advertise_condition", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, advertise_condition))},
  43   { "server_condition", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, server_condition)) },
  45   { "server_debug_print", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, server_debug_string)) },
  47   { "server_mail_auth_condition", opt_stringptr | opt_public,
  48                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  49   { "server_set_id", opt_stringptr | opt_public,
  50                  (void *)(offsetof(auth_instance, set_id)) }
  51 };
  52
  53 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  54
  55 /* An empty host aliases list. */
  56
  57 uschar *no_aliases             = NULL;
  58
  59
  60 /* For comments on these variables, see globals.h. I'm too idle to
  61 duplicate them here... */
  62
  63 #ifdef EXIM_PERL
  64 uschar *opt_perl_startup       = NULL;
  65 BOOL    opt_perl_at_start      = FALSE;
  66 BOOL    opt_perl_started       = FALSE;
  67 #endif
  68
  69 #ifdef EXPAND_DLFUNC
  70 tree_node *dlobj_anchor        = NULL;
  71 #endif
  72
  73 #ifdef LOOKUP_IBASE
  74 uschar *ibase_servers          = NULL;
  75 #endif
  76
  77 #ifdef LOOKUP_LDAP
  78 uschar *eldap_default_servers  = NULL;
  79 int     eldap_version          = -1;
  80 #endif
  81
  82 #ifdef LOOKUP_MYSQL
  83 uschar *mysql_servers          = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_ORACLE
  87 uschar *oracle_servers         = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_PGSQL
  91 uschar *pgsql_servers          = NULL;
  92 #endif
  93
  94 #ifdef LOOKUP_SQLITE
  95 int     sqlite_lock_timeout    = 5;
  96 #endif
  97
  98 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  99 BOOL    move_frozen_messages   = FALSE;
 100 #endif
 101
 102 /* These variables are outside the #ifdef because it keeps the code less
 103 cluttered in several places (e.g. during logging) if we can always refer to
 104 them. Also, the tls_ variables are now always visible. */
 105
 106 BOOL    tls_active             = -1;
 107 BOOL    tls_certificate_verified = FALSE;
 108 uschar *tls_cipher             = NULL;
 109 BOOL    tls_on_connect         = FALSE;
 110 uschar *tls_on_connect_ports   = NULL;
 111 uschar *tls_peerdn             = NULL;
 112
 113 #ifdef SUPPORT_TLS
 114 BOOL    gnutls_compat_mode     = FALSE;
 115 uschar *gnutls_require_mac     = NULL;
 116 uschar *gnutls_require_kx      = NULL;
 117 uschar *gnutls_require_proto   = NULL;
 118 const pcre *regex_STARTTLS     = NULL;
 119 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 120 uschar *tls_certificate        = NULL;
 121 uschar *tls_crl                = NULL;
 122 uschar *tls_dhparam            = NULL;
 123 BOOL    tls_offered            = FALSE;
 124 uschar *tls_privatekey         = NULL;
 125 BOOL    tls_remember_esmtp     = FALSE;
 126 uschar *tls_require_ciphers    = NULL;
 127 uschar *tls_try_verify_hosts   = NULL;
 128 uschar *tls_verify_certificates= NULL;
 129 uschar *tls_verify_hosts       = NULL;
 130 #endif
 131
 132
 133 /* Input-reading functions for messages, so we can use special ones for
 134 incoming TCP/IP. The defaults use stdin. We never need these for any
 135 stand-alone tests. */
 136
 137 #ifndef STAND_ALONE
 138 int (*receive_getc)(void)      = stdin_getc;
 139 int (*receive_ungetc)(int)     = stdin_ungetc;
 140 int (*receive_feof)(void)      = stdin_feof;
 141 int (*receive_ferror)(void)    = stdin_ferror;
 142 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 143 #endif
 144
 145
 146 /* List of per-address expansion variables for clearing and saving/restoring
 147 when verifying one address while routing/verifying another. We have to have
 148 the size explicit, because it is referenced from more than one module. */
 149
 150 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 151   &deliver_address_data,
 152   &deliver_domain,
 153   &deliver_domain_data,
 154   &deliver_domain_orig,
 155   &deliver_domain_parent,
 156   &deliver_localpart,
 157   &deliver_localpart_data,
 158   &deliver_localpart_orig,
 159   &deliver_localpart_parent,
 160   &deliver_localpart_prefix,
 161   &deliver_localpart_suffix,
 162   (uschar **)(&deliver_recipients),
 163   &deliver_host,
 164   &deliver_home,
 165   &address_file,
 166   &address_pipe,
 167   &self_hostname,
 168   NULL };
 169
 170 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 171
 172 /* General global variables */
 173
 174 header_line *acl_added_headers = NULL;
 175 tree_node *acl_anchor          = NULL;
 176
 177 uschar *acl_not_smtp           = NULL;
 178 #ifdef WITH_CONTENT_SCAN
 179 uschar *acl_not_smtp_mime      = NULL;
 180 #endif
 181 uschar *acl_not_smtp_start     = NULL;
 182
 183 uschar *acl_smtp_auth          = NULL;
 184 uschar *acl_smtp_connect       = NULL;
 185 uschar *acl_smtp_data          = NULL;
 186 #ifndef DISABLE_DKIM
 187 uschar *acl_smtp_dkim          = NULL;
 188 #endif
 189 uschar *acl_smtp_etrn          = NULL;
 190 uschar *acl_smtp_expn          = NULL;
 191 uschar *acl_smtp_helo          = NULL;
 192 uschar *acl_smtp_mail          = NULL;
 193 uschar *acl_smtp_mailauth      = NULL;
 194 #ifdef WITH_CONTENT_SCAN
 195 uschar *acl_smtp_mime          = NULL;
 196 #endif
 197 uschar *acl_smtp_notquit       = NULL;
 198 uschar *acl_smtp_predata       = NULL;
 199 uschar *acl_smtp_quit          = NULL;
 200 uschar *acl_smtp_rcpt          = NULL;
 201 uschar *acl_smtp_starttls      = NULL;
 202 uschar *acl_smtp_vrfy          = NULL;
 203
 204 BOOL    acl_temp_details       = FALSE;
 205 tree_node *acl_var_c           = NULL;
 206 tree_node *acl_var_m           = NULL;
 207 uschar *acl_verify_message     = NULL;
 208 string_item *acl_warn_logged   = NULL;
 209
 210 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 211 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 212
 213 uschar *acl_wherenames[]       = { US"RCPT",
 214                                    US"MAIL",
 215                                    US"PREDATA",
 216                                    US"MIME",
 217                                    US"DKIM",
 218                                    US"DATA",
 219                                    US"non-SMTP",
 220                                    US"AUTH",
 221                                    US"connection",
 222                                    US"ETRN",
 223                                    US"EXPN",
 224                                    US"EHLO or HELO",
 225                                    US"MAILAUTH",
 226                                    US"non-SMTP-start",
 227                                    US"NOTQUIT",
 228                                    US"QUIT",
 229                                    US"STARTTLS",
 230                                    US"VRFY"
 231                                  };
 232
 233 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 234                                    US"550",     /* MAIL */
 235                                    US"550",     /* PREDATA */
 236                                    US"550",     /* MIME */
 237                                    US"550",     /* DKIM */
 238                                    US"550",     /* DATA */
 239                                    US"0",       /* not SMTP; not relevant */
 240                                    US"503",     /* AUTH */
 241                                    US"550",     /* connect */
 242                                    US"458",     /* ETRN */
 243                                    US"550",     /* EXPN */
 244                                    US"550",     /* HELO/EHLO */
 245                                    US"0",       /* MAILAUTH; not relevant */
 246                                    US"0",       /* not SMTP; not relevant */
 247                                    US"0",       /* NOTQUIT; not relevant */
 248                                    US"0",       /* QUIT; not relevant */
 249                                    US"550",     /* STARTTLS */
 250                                    US"252"      /* VRFY */
 251                                  };
 252
 253 BOOL    active_local_from_check = FALSE;
 254 BOOL    active_local_sender_retain = FALSE;
 255 BOOL    accept_8bitmime        = FALSE;
 256 address_item  *addr_duplicate  = NULL;
 257
 258 address_item address_defaults = {
 259   NULL,                 /* next */
 260   NULL,                 /* parent */
 261   NULL,                 /* first */
 262   NULL,                 /* dupof */
 263   NULL,                 /* start_router */
 264   NULL,                 /* router */
 265   NULL,                 /* transport */
 266   NULL,                 /* host_list */
 267   NULL,                 /* host_used */
 268   NULL,                 /* fallback_hosts */
 269   NULL,                 /* reply */
 270   NULL,                 /* retries */
 271   NULL,                 /* address */
 272   NULL,                 /* unique */
 273   NULL,                 /* cc_local_part */
 274   NULL,                 /* lc_local_part */
 275   NULL,                 /* local_part */
 276   NULL,                 /* prefix */
 277   NULL,                 /* suffix */
 278   NULL,                 /* domain */
 279   NULL,                 /* address_retry_key */
 280   NULL,                 /* domain_retry_key */
 281   NULL,                 /* current_dir */
 282   NULL,                 /* home_dir */
 283   NULL,                 /* message */
 284   NULL,                 /* user_message */
 285   NULL,                 /* onetime_parent */
 286   NULL,                 /* pipe_expandn */
 287   NULL,                 /* return_filename */
 288   NULL,                 /* self_hostname */
 289   NULL,                 /* shadow_message */
 290   #ifdef SUPPORT_TLS
 291   NULL,                 /* cipher */
 292   NULL,                 /* peerdn */
 293   #endif
 294   (uid_t)(-1),          /* uid */
 295   (gid_t)(-1),          /* gid */
 296   0,                    /* flags */
 297   { 0 },                /* domain_cache - any larger array should be zeroed */
 298   { 0 },                /* localpart_cache - ditto */
 299   -1,                   /* mode */
 300   0,                    /* more_errno */
 301   ERRNO_UNKNOWNERROR,   /* basic_errno */
 302   0,                    /* child_count */
 303   -1,                   /* return_file */
 304   SPECIAL_NONE,         /* special_action */
 305   DEFER,                /* transport_return */
 306   {                     /* fields that are propagated to children */
 307     NULL,               /* address_data */
 308     NULL,               /* domain_data */
 309     NULL,               /* localpart_data */
 310     NULL,               /* errors_address */
 311     NULL,               /* extra_headers */
 312     NULL,               /* remove_headers */
 313 #ifdef EXPERIMENTAL_SRS
 314     NULL,               /* srs_sender */
 315 #endif
 316   }
 317 };
 318
 319 uschar *address_file           = NULL;
 320 uschar *address_pipe           = NULL;
 321 BOOL    address_test_mode      = FALSE;
 322 tree_node *addresslist_anchor  = NULL;
 323 int     addresslist_count      = 0;
 324 gid_t  *admin_groups           = NULL;
 325 BOOL    admin_user             = FALSE;
 326 BOOL    allow_auth_unadvertised= FALSE;
 327 BOOL    allow_domain_literals  = FALSE;
 328 BOOL    allow_mx_to_ip         = FALSE;
 329 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 330 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 331 BOOL    allow_utf8_domains     = FALSE;
 332 uschar *authenticated_id       = NULL;
 333 uschar *authenticated_sender   = NULL;
 334 BOOL    authentication_failed  = FALSE;
 335 auth_instance  *auths          = NULL;
 336 uschar *auth_advertise_hosts   = US"*";
 337 auth_instance auth_defaults    = {
 338     NULL,                      /* chain pointer */
 339     NULL,                      /* name */
 340     NULL,                      /* info */
 341     NULL,                      /* private options block pointer */
 342     NULL,                      /* driver_name */
 343     NULL,                      /* advertise_condition */
 344     NULL,                      /* client_condition */
 345     NULL,                      /* public_name */
 346     NULL,                      /* set_id */
 347     NULL,                      /* server_mail_auth_condition */
 348     NULL,                      /* server_debug_string */
 349     NULL,                      /* server_condition */
 350     FALSE,                     /* client */
 351     FALSE,                     /* server */
 352     FALSE                      /* advertised */
 353 };
 354
 355 uschar *auth_defer_msg         = US"reason not recorded";
 356 uschar *auth_defer_user_msg    = US"";
 357 uschar *auth_vars[AUTH_VARS];
 358 int     auto_thaw              = 0;
 359 #ifdef WITH_CONTENT_SCAN
 360 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 361 #endif
 362
 363 BOOL    background_daemon      = TRUE;
 364
 365 #if BASE_62 == 62
 366 uschar *base62_chars=
 367     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 368 #else
 369 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 370 #endif
 371
 372 uschar *bi_command             = NULL;
 373 uschar *big_buffer             = NULL;
 374 int     big_buffer_size        = BIG_BUFFER_SIZE;
 375 #ifdef EXPERIMENTAL_BRIGHTMAIL
 376 uschar *bmi_alt_location       = NULL;
 377 uschar *bmi_base64_tracker_verdict = NULL;
 378 uschar *bmi_base64_verdict     = NULL;
 379 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 380 int     bmi_deliver            = 1;
 381 int     bmi_run                = 0;
 382 uschar *bmi_verdicts           = NULL;
 383 #endif
 384 int     body_linecount         = 0;
 385 int     body_zerocount         = 0;
 386 uschar *bounce_message_file    = NULL;
 387 uschar *bounce_message_text    = NULL;
 388 uschar *bounce_recipient       = NULL;
 389 BOOL    bounce_return_body     = TRUE;
 390 BOOL    bounce_return_message  = TRUE;
 391 int     bounce_return_size_limit = 100*1024;
 392 uschar *bounce_sender_authentication = NULL;
 393 int     bsmtp_transaction_linecount = 0;
 394
 395 int     callout_cache_domain_positive_expire = 7*24*60*60;
 396 int     callout_cache_domain_negative_expire = 3*60*60;
 397 int     callout_cache_positive_expire = 24*60*60;
 398 int     callout_cache_negative_expire = 2*60*60;
 399 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 400 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 401 int     check_log_inodes       = 0;
 402 int     check_log_space        = 0;
 403 BOOL    check_rfc2047_length   = TRUE;
 404 int     check_spool_inodes     = 0;
 405 int     check_spool_space      = 0;
 406 int     clmacro_count          = 0;
 407 uschar *clmacros[MAX_CLMACROS];
 408 BOOL    config_changed         = FALSE;
 409 FILE   *config_file            = NULL;
 410 uschar *config_filename        = NULL;
 411 int     config_lineno          = 0;
 412 #ifdef CONFIGURE_GROUP
 413 gid_t   config_gid             = CONFIGURE_GROUP;
 414 #endif
 415 uschar *config_main_filelist   = US CONFIGURE_FILE
 416                          "\0<-----------Space to patch configure_filename->";
 417 uschar *config_main_filename   = NULL;
 418
 419 #ifdef CONFIGURE_OWNER
 420 uid_t   config_uid             = CONFIGURE_OWNER;
 421 #endif
 422
 423 int     connection_max_messages= -1;
 424 uschar *continue_hostname      = NULL;
 425 uschar *continue_host_address  = NULL;
 426 BOOL    continue_more          = FALSE;
 427 int     continue_sequence      = 1;
 428 uschar *continue_transport     = NULL;
 429
 430 uschar *csa_status             = NULL;
 431
 432 BOOL    daemon_listen          = FALSE;
 433 uschar *daemon_smtp_port       = US"smtp";
 434 int     daemon_startup_retries = 9;
 435 int     daemon_startup_sleep   = 30;
 436
 437 #ifdef EXPERIMENTAL_DCC
 438 BOOL    dcc_direct_add_header  = FALSE;
 439 uschar *dcc_header             = NULL;
 440 uschar *dcc_result             = NULL;
 441 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 442 uschar *dccifd_options         = US"header";
 443 #endif
 444
 445 BOOL    debug_daemon           = FALSE;
 446 int     debug_fd               = -1;
 447 FILE   *debug_file             = NULL;
 448 bit_table debug_options[]      = {
 449   { US"acl",            D_acl },
 450   { US"all",            D_all },
 451   { US"auth",           D_auth },
 452   { US"deliver",        D_deliver },
 453   { US"dns",            D_dns },
 454   { US"dnsbl",          D_dnsbl },
 455   { US"exec",           D_exec },
 456   { US"expand",         D_expand },
 457   { US"filter",         D_filter },
 458   { US"hints_lookup",   D_hints_lookup },
 459   { US"host_lookup",    D_host_lookup },
 460   { US"ident",          D_ident },
 461   { US"interface",      D_interface },
 462   { US"lists",          D_lists },
 463   { US"load",           D_load },
 464   { US"local_scan",     D_local_scan },
 465   { US"lookup",         D_lookup },
 466   { US"memory",         D_memory },
 467   { US"pid",            D_pid },
 468   { US"process_info",   D_process_info },
 469   { US"queue_run",      D_queue_run },
 470   { US"receive",        D_receive },
 471   { US"resolver",       D_resolver },
 472   { US"retry",          D_retry },
 473   { US"rewrite",        D_rewrite },
 474   { US"route",          D_route },
 475   { US"timestamp",      D_timestamp },
 476   { US"tls",            D_tls },
 477   { US"transport",      D_transport },
 478   { US"uid",            D_uid },
 479   { US"verify",         D_verify }
 480 };
 481 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 482 unsigned int debug_selector    = 0;
 483 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 484 uschar *delay_warning_condition=
 485   US"${if or {"
 486             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 487             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 488             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 489             "} {no}{yes}}";
 490 BOOL    delivery_date_remove   = TRUE;
 491 uschar *deliver_address_data   = NULL;
 492 int     deliver_datafile       = -1;
 493 uschar *deliver_domain         = NULL;
 494 uschar *deliver_domain_data    = NULL;
 495 uschar *deliver_domain_orig    = NULL;
 496 uschar *deliver_domain_parent  = NULL;
 497 BOOL    deliver_drop_privilege = FALSE;
 498 BOOL    deliver_firsttime      = FALSE;
 499 BOOL    deliver_force          = FALSE;
 500 BOOL    deliver_freeze         = FALSE;
 501 int     deliver_frozen_at      = 0;
 502 uschar *deliver_home           = NULL;
 503 uschar *deliver_host           = NULL;
 504 uschar *deliver_host_address   = NULL;
 505 uschar *deliver_in_buffer      = NULL;
 506 ino_t   deliver_inode          = 0;
 507 uschar *deliver_localpart      = NULL;
 508 uschar *deliver_localpart_data = NULL;
 509 uschar *deliver_localpart_orig = NULL;
 510 uschar *deliver_localpart_parent = NULL;
 511 uschar *deliver_localpart_prefix = NULL;
 512 uschar *deliver_localpart_suffix = NULL;
 513 BOOL    deliver_force_thaw     = FALSE;
 514 BOOL    deliver_manual_thaw    = FALSE;
 515 uschar *deliver_out_buffer     = NULL;
 516 int     deliver_queue_load_max = -1;
 517 address_item  *deliver_recipients = NULL;
 518 uschar *deliver_selectstring   = NULL;
 519 BOOL    deliver_selectstring_regex = FALSE;
 520 uschar *deliver_selectstring_sender = NULL;
 521 BOOL    deliver_selectstring_sender_regex = FALSE;
 522 #ifdef WITH_OLD_DEMIME
 523 int     demime_errorlevel      = 0;
 524 int     demime_ok              = 0;
 525 uschar *demime_reason          = NULL;
 526 #endif
 527 BOOL    disable_callout_flush  = FALSE;
 528 BOOL    disable_delay_flush    = FALSE;
 529 #ifdef ENABLE_DISABLE_FSYNC
 530 BOOL    disable_fsync          = FALSE;
 531 #endif
 532 BOOL    disable_ipv6           = FALSE;
 533 BOOL    disable_logging        = FALSE;
 534
 535 #ifndef DISABLE_DKIM
 536 uschar *dkim_cur_signer          = NULL;
 537 uschar *dkim_signers             = NULL;
 538 uschar *dkim_signing_domain      = NULL;
 539 uschar *dkim_signing_selector    = NULL;
 540 uschar *dkim_verify_signers      = US"$dkim_signers";
 541 BOOL    dkim_collect_input       = FALSE;
 542 BOOL    dkim_disable_verify      = FALSE;
 543 #endif
 544
 545 uschar *dns_again_means_nonexist = NULL;
 546 int     dns_csa_search_limit   = 5;
 547 BOOL    dns_csa_use_reverse    = TRUE;
 548 uschar *dns_ipv4_lookup        = NULL;
 549 int     dns_retrans            = 0;
 550 int     dns_retry              = 0;
 551 uschar *dnslist_domain         = NULL;
 552 uschar *dnslist_matched        = NULL;
 553 uschar *dnslist_text           = NULL;
 554 uschar *dnslist_value          = NULL;
 555 tree_node *domainlist_anchor   = NULL;
 556 int     domainlist_count       = 0;
 557 BOOL    dont_deliver           = FALSE;
 558 BOOL    dot_ends               = TRUE;
 559 BOOL    drop_cr                = FALSE;         /* No longer used */
 560 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 561
 562 BOOL    enable_dollar_recipients = FALSE;
 563 BOOL    envelope_to_remove     = TRUE;
 564 int     errno_quota            = ERRNO_QUOTA;
 565 uschar *errors_copy            = NULL;
 566 int     error_handling         = ERRORS_SENDER;
 567 uschar *errors_reply_to        = NULL;
 568 int     errors_sender_rc       = EXIT_FAILURE;
 569
 570 gid_t   exim_gid               = EXIM_GID;
 571 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 572 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 573                         "\0<---------------Space to patch exim_path->";
 574 uid_t   exim_uid               = EXIM_UID;
 575 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 576 int     expand_forbid          = 0;
 577 int     expand_nlength[EXPAND_MAXN+1];
 578 int     expand_nmax            = -1;
 579 uschar *expand_nstring[EXPAND_MAXN+1];
 580 BOOL    expand_string_forcedfail = FALSE;
 581 uschar *expand_string_message;
 582 BOOL    extract_addresses_remove_arguments = TRUE;
 583 uschar *extra_local_interfaces = NULL;
 584
 585 int     fake_response          = OK;
 586 uschar *fake_response_text     = US"Your message has been rejected but is "
 587                                    "being kept for evaluation.\nIf it was a "
 588                                    "legitimate message, it may still be "
 589                                    "delivered to the target recipient(s).";
 590 int     filter_n[FILTER_VARIABLE_COUNT];
 591 BOOL    filter_running         = FALSE;
 592 int     filter_sn[FILTER_VARIABLE_COUNT];
 593 int     filter_test            = FTEST_NONE;
 594 uschar *filter_test_sfile      = NULL;
 595 uschar *filter_test_ufile      = NULL;
 596 uschar *filter_thisaddress     = NULL;
 597 int     finduser_retries       = 0;
 598 #ifdef WITH_OLD_DEMIME
 599 uschar *found_extension        = NULL;
 600 #endif
 601 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 602 uschar *freeze_tell            = NULL;
 603 uschar *freeze_tell_config     = NULL;
 604 uschar *fudged_queue_times     = US"";
 605
 606 uschar *gecos_name             = NULL;
 607 uschar *gecos_pattern          = NULL;
 608 rewrite_rule  *global_rewrite_rules = NULL;
 609
 610 uschar *headers_charset        = US HEADERS_CHARSET;
 611 int     header_insert_maxlen   = 64 * 1024;
 612 header_line  *header_last      = NULL;
 613 header_line  *header_list      = NULL;
 614 int     header_maxsize         = HEADER_MAXSIZE;
 615 int     header_line_maxsize    = 0;
 616
 617 header_name header_names[] = {
 618   { US"bcc",            3, TRUE,  htype_bcc },
 619   { US"cc",             2, TRUE,  htype_cc },
 620   { US"date",           4, TRUE,  htype_date },
 621   { US"delivery-date", 13, FALSE, htype_delivery_date },
 622   { US"envelope-to",   11, FALSE, htype_envelope_to },
 623   { US"from",           4, TRUE,  htype_from },
 624   { US"message-id",    10, TRUE,  htype_id },
 625   { US"received",       8, FALSE, htype_received },
 626   { US"reply-to",       8, FALSE, htype_reply_to },
 627   { US"return-path",   11, FALSE, htype_return_path },
 628   { US"sender",         6, TRUE,  htype_sender },
 629   { US"subject",        7, FALSE, htype_subject },
 630   { US"to",             2, TRUE,  htype_to }
 631 };
 632
 633 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 634
 635 BOOL    header_rewritten       = FALSE;
 636 uschar *helo_accept_junk_hosts = NULL;
 637 uschar *helo_allow_chars       = US"";
 638 uschar *helo_lookup_domains    = US"@ : @[]";
 639 uschar *helo_try_verify_hosts  = NULL;
 640 BOOL    helo_verified          = FALSE;
 641 BOOL    helo_verify_failed     = FALSE;
 642 uschar *helo_verify_hosts      = NULL;
 643 uschar *hex_digits             = US"0123456789abcdef";
 644 uschar *hold_domains           = NULL;
 645 BOOL    host_checking          = FALSE;
 646 BOOL    host_checking_callout  = FALSE;
 647 uschar *host_data              = NULL;
 648 BOOL    host_find_failed_syntax= FALSE;
 649 uschar *host_lookup            = NULL;
 650 BOOL    host_lookup_deferred   = FALSE;
 651 BOOL    host_lookup_failed     = FALSE;
 652 uschar *host_lookup_order      = US"bydns:byaddr";
 653 uschar *host_lookup_msg        = US"";
 654 int     host_number            = 0;
 655 uschar *host_number_string     = NULL;
 656 uschar *host_reject_connection = NULL;
 657 tree_node *hostlist_anchor     = NULL;
 658 int     hostlist_count         = 0;
 659 uschar *hosts_treat_as_local   = NULL;
 660 uschar *hosts_connection_nolog = NULL;
 661
 662 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 663 BOOL    ignore_fromline_local  = FALSE;
 664 uschar *ignore_fromline_hosts  = NULL;
 665 uschar *interface_address      = NULL;
 666 int     interface_port         = -1;
 667 BOOL    is_inetd               = FALSE;
 668 uschar *iterate_item           = NULL;
 669
 670 int     journal_fd             = -1;
 671
 672 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 673
 674 uschar *eldap_dn               = NULL;
 675 int     load_average           = -2;
 676 BOOL    local_error_message    = FALSE;
 677 BOOL    local_from_check       = TRUE;
 678 uschar *local_from_prefix      = NULL;
 679 uschar *local_from_suffix      = NULL;
 680
 681 #if HAVE_IPV6
 682 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 683 #else
 684 uschar *local_interfaces       = US"0.0.0.0";
 685 #endif
 686
 687 uschar *local_scan_data        = NULL;
 688 int     local_scan_timeout     = 5*60;
 689 BOOL    local_sender_retain    = FALSE;
 690 gid_t   local_user_gid         = (gid_t)(-1);
 691 uid_t   local_user_uid         = (uid_t)(-1);
 692
 693 tree_node *localpartlist_anchor= NULL;
 694 int     localpartlist_count    = 0;
 695 uschar *log_buffer             = NULL;
 696 unsigned int log_extra_selector = LX_default;
 697 uschar *log_file_path          = US LOG_FILE_PATH
 698                            "\0<--------------Space to patch log_file_path->";
 699
 700 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 701 are the ones that get put into log_write_selector. They can be used in calls to
 702 log_write() to test for the bit. The options with LX_xxx identifiers have
 703 values greater than 0x80000000 and are put int log_extra_selector (without the
 704 top bit). They are never used in calls to log_write(), but are tested
 705 independently. This separation became necessary when the number of log
 706 selectors was getting close to filling a 32-bit word. */
 707
 708 /* Note that this list must be in alphabetical order. */
 709
 710 bit_table log_options[]        = {
 711   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 712   { US"address_rewrite",              L_address_rewrite },
 713   { US"all",                          L_all },
 714   { US"all_parents",                  L_all_parents },
 715   { US"arguments",                    LX_arguments },
 716   { US"connection_reject",            L_connection_reject },
 717   { US"delay_delivery",               L_delay_delivery },
 718   { US"deliver_time",                 LX_deliver_time },
 719   { US"delivery_size",                LX_delivery_size },
 720   { US"dnslist_defer",                L_dnslist_defer },
 721   { US"etrn",                         L_etrn },
 722   { US"host_lookup_failed",           L_host_lookup_failed },
 723   { US"ident_timeout",                LX_ident_timeout },
 724   { US"incoming_interface",           LX_incoming_interface },
 725   { US"incoming_port",                LX_incoming_port },
 726   { US"lost_incoming_connection",     L_lost_incoming_connection },
 727   { US"outgoing_port",                LX_outgoing_port },
 728   { US"pid",                          LX_pid },
 729   { US"queue_run",                    L_queue_run },
 730   { US"queue_time",                   LX_queue_time },
 731   { US"queue_time_overall",           LX_queue_time_overall },
 732   { US"received_recipients",          LX_received_recipients },
 733   { US"received_sender",              LX_received_sender },
 734   { US"rejected_header",              LX_rejected_header },
 735   { US"rejected_headers",             LX_rejected_header },
 736   { US"retry_defer",                  L_retry_defer },
 737   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 738   { US"sender_on_delivery",           LX_sender_on_delivery },
 739   { US"sender_verify_fail",           LX_sender_verify_fail },
 740   { US"size_reject",                  L_size_reject },
 741   { US"skip_delivery",                L_skip_delivery },
 742   { US"smtp_confirmation",            LX_smtp_confirmation },
 743   { US"smtp_connection",              L_smtp_connection },
 744   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 745   { US"smtp_no_mail",                 LX_smtp_no_mail },
 746   { US"smtp_protocol_error",          L_smtp_protocol_error },
 747   { US"smtp_syntax_error",            L_smtp_syntax_error },
 748   { US"subject",                      LX_subject },
 749   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 750   { US"tls_cipher",                   LX_tls_cipher },
 751   { US"tls_peerdn",                   LX_tls_peerdn },
 752   { US"unknown_in_list",              LX_unknown_in_list }
 753 };
 754
 755 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 756 int     log_reject_target      = 0;
 757 uschar *log_selector_string    = NULL;
 758 FILE   *log_stderr             = NULL;
 759 BOOL    log_testing_mode       = FALSE;
 760 BOOL    log_timezone           = FALSE;
 761 unsigned int log_write_selector= L_default;
 762 uschar *login_sender_address   = NULL;
 763 int     lookup_open_max        = 25;
 764 uschar *lookup_value           = NULL;
 765
 766 macro_item  *macros            = NULL;
 767 uschar *mailstore_basename     = NULL;
 768 #ifdef WITH_CONTENT_SCAN
 769 uschar *malware_name           = NULL;  /* Virus Name */
 770 #endif
 771 int     max_received_linelength= 0;
 772 int     max_username_length    = 0;
 773 int     message_age            = 0;
 774 uschar *message_body           = NULL;
 775 uschar *message_body_end       = NULL;
 776 BOOL    message_body_newlines  = FALSE;
 777 int     message_body_size      = 0;
 778 int     message_body_visible   = 500;
 779 int     message_ended          = END_NOTSTARTED;
 780 uschar *message_headers        = NULL;
 781 uschar *message_id;
 782 uschar *message_id_domain      = NULL;
 783 uschar *message_id_text        = NULL;
 784 struct timeval message_id_tv   = { 0, 0 };
 785 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 786 uschar *message_id_external;
 787 int     message_linecount      = 0;
 788 BOOL    message_logs           = TRUE;
 789 int     message_size           = 0;
 790 uschar *message_size_limit     = US"50M";
 791 uschar  message_subdir[2]      = { 0, 0 };
 792 uschar *message_reference      = NULL;
 793
 794 /* MIME ACL expandables */
 795 #ifdef WITH_CONTENT_SCAN
 796 int     mime_anomaly_level     = 0;
 797 uschar *mime_anomaly_text      = NULL;
 798 uschar *mime_boundary          = NULL;
 799 uschar *mime_charset           = NULL;
 800 uschar *mime_content_description = NULL;
 801 uschar *mime_content_disposition = NULL;
 802 uschar *mime_content_id        = NULL;
 803 unsigned int mime_content_size = 0;
 804 uschar *mime_content_transfer_encoding = NULL;
 805 uschar *mime_content_type      = NULL;
 806 uschar *mime_decoded_filename  = NULL;
 807 uschar *mime_filename          = NULL;
 808 int     mime_is_multipart      = 0;
 809 int     mime_is_coverletter    = 0;
 810 int     mime_is_rfc822         = 0;
 811 int     mime_part_count        = -1;
 812 #endif
 813
 814 BOOL    mua_wrapper            = FALSE;
 815
 816 uid_t  *never_users            = NULL;
 817 #ifdef WITH_CONTENT_SCAN
 818 BOOL    no_mbox_unspool        = FALSE;
 819 #endif
 820 BOOL    no_multiline_responses = FALSE;
 821
 822 uid_t   original_euid;
 823 gid_t   originator_gid;
 824 uschar *originator_login       = NULL;
 825 uschar *originator_name        = NULL;
 826 uid_t   originator_uid;
 827 uschar *override_local_interfaces = NULL;
 828 uschar *override_pid_file_path = NULL;
 829
 830 BOOL    parse_allow_group      = FALSE;
 831 BOOL    parse_found_group      = FALSE;
 832 uschar *percent_hack_domains   = NULL;
 833 uschar *pid_file_path          = US PID_FILE_PATH
 834                            "\0<--------------Space to patch pid_file_path->";
 835 BOOL    pipelining_enable      = TRUE;
 836 uschar *pipelining_advertise_hosts = US"*";
 837 BOOL    preserve_message_logs  = FALSE;
 838 uschar *primary_hostname       = NULL;
 839 BOOL    print_topbitchars      = FALSE;
 840 uschar  process_info[PROCESS_INFO_SIZE];
 841 uschar *process_log_path       = NULL;
 842 BOOL    prod_requires_admin    = TRUE;
 843 uschar *prvscheck_address      = NULL;
 844 uschar *prvscheck_keynum       = NULL;
 845 uschar *prvscheck_result       = NULL;
 846
 847
 848 uschar *qualify_domain_recipient = NULL;
 849 uschar *qualify_domain_sender  = NULL;
 850 BOOL    queue_2stage           = FALSE;
 851 uschar *queue_domains          = NULL;
 852 int     queue_interval         = -1;
 853 BOOL    queue_list_requires_admin = TRUE;
 854 BOOL    queue_only             = FALSE;
 855 uschar *queue_only_file        = NULL;
 856 int     queue_only_load        = -1;
 857 BOOL    queue_only_load_latch  = TRUE;
 858 BOOL    queue_only_override    = TRUE;
 859 BOOL    queue_only_policy      = FALSE;
 860 BOOL    queue_run_first_delivery = FALSE;
 861 BOOL    queue_run_force        = FALSE;
 862 BOOL    queue_run_in_order     = FALSE;
 863 BOOL    queue_run_local        = FALSE;
 864 int     queue_run_max          = 5;
 865 pid_t   queue_run_pid          = (pid_t)0;
 866 int     queue_run_pipe         = -1;
 867 BOOL    queue_running          = FALSE;
 868 BOOL    queue_smtp             = FALSE;
 869 uschar *queue_smtp_domains     = NULL;
 870
 871 unsigned int random_seed       = 0;
 872 tree_node *ratelimiters_cmd    = NULL;
 873 tree_node *ratelimiters_conn   = NULL;
 874 tree_node *ratelimiters_mail   = NULL;
 875 uschar *raw_active_hostname    = NULL;
 876 uschar *raw_sender             = NULL;
 877 uschar **raw_recipients        = NULL;
 878 int     raw_recipients_count   = 0;
 879
 880 int     rcpt_count             = 0;
 881 int     rcpt_fail_count        = 0;
 882 int     rcpt_defer_count       = 0;
 883 gid_t   real_gid;
 884 uid_t   real_uid;
 885 BOOL    really_exim            = TRUE;
 886 BOOL    receive_call_bombout   = FALSE;
 887 int     receive_linecount      = 0;
 888 int     receive_messagecount   = 0;
 889 int     receive_timeout        = 0;
 890 int     received_count         = 0;
 891 uschar *received_for           = NULL;
 892
 893 /*  This is the default text for Received headers generated by Exim. The
 894 date  will be automatically added on the end. */
 895
 896 uschar *received_header_text   = US
 897      "Received: "
 898      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 899      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 900      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 901      "by $primary_hostname "
 902      "${if def:received_protocol {with $received_protocol}} "
 903      #ifdef SUPPORT_TLS
 904      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 905      #endif
 906      "(Exim $version_number)\n\t"
 907      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 908      "id $message_exim_id"
 909      "${if def:received_for {\n\tfor $received_for}}"
 910      "\0<---------------Space to patch received_header_text->";
 911
 912 int     received_headers_max   = 30;
 913 uschar *received_protocol      = NULL;
 914 int     received_time          = 0;
 915 uschar *recipient_data         = NULL;
 916 uschar *recipient_unqualified_hosts = NULL;
 917 uschar *recipient_verify_failure = NULL;
 918 int     recipients_count       = 0;
 919 BOOL    recipients_discarded   = FALSE;
 920 recipient_item  *recipients_list = NULL;
 921 int     recipients_list_max    = 0;
 922 int     recipients_max         = 0;
 923 BOOL    recipients_max_reject  = FALSE;
 924 const pcre *regex_AUTH         = NULL;
 925 const pcre *regex_check_dns_names = NULL;
 926 const pcre *regex_From         = NULL;
 927 const pcre *regex_IGNOREQUOTA  = NULL;
 928 const pcre *regex_PIPELINING   = NULL;
 929 const pcre *regex_SIZE         = NULL;
 930 const pcre *regex_smtp_code    = NULL;
 931 const pcre *regex_ismsgid      = NULL;
 932 #ifdef WITH_CONTENT_SCAN
 933 uschar *regex_match_string     = NULL;
 934 #endif
 935 int     remote_delivery_count  = 0;
 936 int     remote_max_parallel    = 2;
 937 uschar *remote_sort_domains    = NULL;
 938 int     retry_data_expire      = 7*24*60*60;
 939 int     retry_interval_max     = 24*60*60;
 940 int     retry_maximum_timeout  = 0;        /* set from retry config */
 941 retry_config  *retries         = NULL;
 942 uschar *return_path            = NULL;
 943 BOOL    return_path_remove     = TRUE;
 944 int     rewrite_existflags     = 0;
 945 uschar *rfc1413_hosts          = US"*";
 946 int     rfc1413_query_timeout  = 5;
 947 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 948 uid_t   root_uid               = ROOT_UID;
 949
 950 router_instance  *routers  = NULL;
 951 router_instance  router_defaults = {
 952     NULL,                      /* chain pointer */
 953     NULL,                      /* name */
 954     NULL,                      /* info */
 955     NULL,                      /* private options block pointer */
 956     NULL,                      /* driver name */
 957
 958     NULL,                      /* address_data */
 959 #ifdef EXPERIMENTAL_BRIGHTMAIL
 960     NULL,                      /* bmi_rule */
 961 #endif
 962     NULL,                      /* cannot_route_message */
 963     NULL,                      /* condition */
 964     NULL,                      /* current_directory */
 965     NULL,                      /* debug_string */
 966     NULL,                      /* domains */
 967     NULL,                      /* errors_to */
 968     NULL,                      /* expand_gid */
 969     NULL,                      /* expand_uid */
 970     NULL,                      /* expand_more */
 971     NULL,                      /* expand_unseen */
 972     NULL,                      /* extra_headers */
 973     NULL,                      /* fallback_hosts */
 974     NULL,                      /* home_directory */
 975     NULL,                      /* ignore_target_hosts */
 976     NULL,                      /* local_parts */
 977     NULL,                      /* pass_router_name */
 978     NULL,                      /* prefix */
 979     NULL,                      /* redirect_router_name */
 980     NULL,                      /* remove_headers */
 981     NULL,                      /* require_files */
 982     NULL,                      /* router_home_directory */
 983     US"freeze",                /* self */
 984     NULL,                      /* senders */
 985     NULL,                      /* suffix */
 986     NULL,                      /* translate_ip_address */
 987     NULL,                      /* transport_name */
 988
 989     TRUE,                      /* address_test */
 990 #ifdef EXPERIMENTAL_BRIGHTMAIL
 991     FALSE,                     /* bmi_deliver_alternate */
 992     FALSE,                     /* bmi_deliver_default */
 993     FALSE,                     /* bmi_dont_deliver */
 994 #endif
 995     TRUE,                      /* expn */
 996     FALSE,                     /* caseful_local_part */
 997     FALSE,                     /* check_local_user */
 998     FALSE,                     /* disable_logging */
 999     FALSE,                     /* fail_verify_recipient */
1000     FALSE,                     /* fail_verify_sender */
1001     FALSE,                     /* gid_set */
1002     FALSE,                     /* initgroups */
1003     TRUE_UNSET,                /* log_as_local */
1004     TRUE,                      /* more */
1005     FALSE,                     /* pass_on_timeout */
1006     FALSE,                     /* prefix_optional */
1007     TRUE,                      /* repeat_use */
1008     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1009     FALSE,                     /* same_domain_copy_routing */
1010     FALSE,                     /* self_rewrite */
1011     FALSE,                     /* suffix_optional */
1012     FALSE,                     /* verify_only */
1013     TRUE,                      /* verify_recipient */
1014     TRUE,                      /* verify_sender */
1015     FALSE,                     /* uid_set */
1016     FALSE,                     /* unseen */
1017
1018     self_freeze,               /* self_code */
1019     (uid_t)(-1),               /* uid */
1020     (gid_t)(-1),               /* gid */
1021
1022     NULL,                      /* fallback_hostlist */
1023     NULL,                      /* transport instance */
1024     NULL,                      /* pass_router */
1025     NULL                       /* redirect_router */
1026 };
1027
1028 ip_address_item *running_interfaces = NULL;
1029 BOOL    running_in_test_harness = FALSE;
1030
1031 /* This is a weird one. The following string gets patched in the binary by the
1032 script that sets up a copy of Exim for running in the test harness. It seems
1033 that compilers are now clever, and share constant strings if they can.
1034 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1035 make use of the end of this string in order to save space. So the patching then
1036 wrecks this. We defeat this optimization by adding some additional characters
1037 onto the end of the string. */
1038
1039 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1040
1041 int     runrc                  = 0;
1042
1043 uschar *search_error_message   = NULL;
1044 BOOL    search_find_defer      = FALSE;
1045 uschar *self_hostname          = NULL;
1046 uschar *sender_address         = NULL;
1047 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1048 uschar *sender_address_data    = NULL;
1049 BOOL    sender_address_forced  = FALSE;
1050 uschar *sender_address_unrewritten = NULL;
1051 uschar *sender_data            = NULL;
1052 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1053 uschar *sender_fullhost        = NULL;
1054 uschar *sender_helo_name       = NULL;
1055 uschar **sender_host_aliases   = &no_aliases;
1056 uschar *sender_host_address    = NULL;
1057 uschar *sender_host_authenticated = NULL;
1058 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1059 uschar *sender_host_name       = NULL;
1060 int     sender_host_port       = 0;
1061 BOOL    sender_host_notsocket  = FALSE;
1062 BOOL    sender_host_unknown    = FALSE;
1063 uschar *sender_ident           = NULL;
1064 BOOL    sender_local           = FALSE;
1065 BOOL    sender_name_forced     = FALSE;
1066 uschar *sender_rate            = NULL;
1067 uschar *sender_rate_limit      = NULL;
1068 uschar *sender_rate_period     = NULL;
1069 uschar *sender_rcvhost         = NULL;
1070 BOOL    sender_set_untrusted   = FALSE;
1071 uschar *sender_unqualified_hosts = NULL;
1072 uschar *sender_verify_failure = NULL;
1073 address_item *sender_verified_list  = NULL;
1074 address_item *sender_verified_failed = NULL;
1075 int     sender_verified_rc     = -1;
1076 BOOL    sender_verified_responded = FALSE;
1077 uschar *sending_ip_address     = NULL;
1078 int     sending_port           = -1;
1079 volatile  BOOL sigalrm_seen    = FALSE;
1080 uschar **sighup_argv           = NULL;
1081 int     smtp_accept_count      = 0;
1082 BOOL    smtp_accept_keepalive  = TRUE;
1083 int     smtp_accept_max        = 20;
1084 int     smtp_accept_max_nonmail= 10;
1085 uschar *smtp_accept_max_nonmail_hosts = US"*";
1086 int     smtp_accept_max_per_connection = 1000;
1087 uschar *smtp_accept_max_per_host = NULL;
1088 int     smtp_accept_queue      = 0;
1089 int     smtp_accept_queue_per_connection = 10;
1090 int     smtp_accept_reserve    = 0;
1091 uschar *smtp_active_hostname   = NULL;
1092 BOOL    smtp_authenticated     = FALSE;
1093 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1094                              "Exim $version_number $tod_full"
1095                              "\0<---------------Space to patch smtp_banner->";
1096 BOOL    smtp_batched_input     = FALSE;
1097 BOOL    smtp_check_spool_space = TRUE;
1098 int     smtp_ch_index          = 0;
1099 uschar *smtp_cmd_argument      = NULL;
1100 uschar *smtp_cmd_buffer        = NULL;
1101 time_t  smtp_connection_start  = 0;
1102 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1103 int     smtp_connect_backlog   = 20;
1104 double  smtp_delay_mail        = 0.0;
1105 double  smtp_delay_rcpt        = 0.0;
1106 BOOL    smtp_enforce_sync      = TRUE;
1107 FILE   *smtp_in                = NULL;
1108 BOOL    smtp_input             = FALSE;
1109 int     smtp_load_reserve      = -1;
1110 int     smtp_mailcmd_count     = 0;
1111 FILE   *smtp_out               = NULL;
1112 uschar *smtp_etrn_command      = NULL;
1113 BOOL    smtp_etrn_serialize    = TRUE;
1114 int     smtp_max_synprot_errors= 3;
1115 int     smtp_max_unknown_commands = 3;
1116 uschar *smtp_notquit_reason    = NULL;
1117 uschar *smtp_ratelimit_hosts   = NULL;
1118 uschar *smtp_ratelimit_mail    = NULL;
1119 uschar *smtp_ratelimit_rcpt    = NULL;
1120 uschar *smtp_read_error        = US"";
1121 int     smtp_receive_timeout   = 5*60;
1122 uschar *smtp_reserve_hosts     = NULL;
1123 BOOL    smtp_return_error_details = FALSE;
1124 int     smtp_rlm_base          = 0;
1125 double  smtp_rlm_factor        = 0.0;
1126 int     smtp_rlm_limit         = 0;
1127 int     smtp_rlm_threshold     = INT_MAX;
1128 int     smtp_rlr_base          = 0;
1129 double  smtp_rlr_factor        = 0.0;
1130 int     smtp_rlr_limit         = 0;
1131 int     smtp_rlr_threshold     = INT_MAX;
1132 BOOL    smtp_use_pipelining    = FALSE;
1133 BOOL    smtp_use_size          = FALSE;
1134
1135 #ifdef WITH_CONTENT_SCAN
1136 uschar *spamd_address          = US"127.0.0.1 783";
1137 uschar *spam_bar               = NULL;
1138 uschar *spam_report            = NULL;
1139 uschar *spam_score             = NULL;
1140 uschar *spam_score_int         = NULL;
1141 #endif
1142 #ifdef EXPERIMENTAL_SPF
1143 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1144 uschar *spf_header_comment     = NULL;
1145 uschar *spf_received           = NULL;
1146 uschar *spf_result             = NULL;
1147 uschar *spf_smtp_comment       = NULL;
1148 #endif
1149
1150 BOOL    split_spool_directory  = FALSE;
1151 uschar *spool_directory        = US SPOOL_DIRECTORY
1152                            "\0<--------------Space to patch spool_directory->";
1153 #ifdef EXPERIMENTAL_SRS
1154 uschar *srs_config             = NULL;
1155 uschar *srs_db_address         = NULL;
1156 uschar *srs_db_key             = NULL;
1157 int     srs_hashlength         = 6;
1158 int     srs_hashmin            = -1;
1159 int     srs_maxage             = 31;
1160 uschar *srs_orig_recipient     = NULL;
1161 uschar *srs_orig_sender        = NULL;
1162 uschar *srs_recipient          = NULL;
1163 uschar *srs_secrets            = NULL;
1164 uschar *srs_status             = NULL;
1165 BOOL    srs_usehash            = TRUE;
1166 BOOL    srs_usetimestamp       = TRUE;
1167 #endif
1168 BOOL    strict_acl_vars        = FALSE;
1169 int     string_datestamp_offset= -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      = 0;
1191 BOOL    system_filter_uid_set  = FALSE;
1192 BOOL    system_filtering       = FALSE;
1193
1194 BOOL    tcp_nodelay            = TRUE;
1195 int     test_harness_load_avg  = 0;
1196 int     thismessage_size_limit = 0;
1197 int     timeout_frozen_after   = 0;
1198 BOOL    timestamps_utc         = FALSE;
1199
1200 transport_instance  *transports = NULL;
1201
1202 transport_instance  transport_defaults = {
1203     NULL,                     /* chain pointer */
1204     NULL,                     /* name */
1205     NULL,                     /* info */
1206     NULL,                     /* private options block pointer */
1207     NULL,                     /* driver name */
1208     NULL,                     /* setup entry point */
1209     1,                        /* batch_max */
1210     NULL,                     /* batch_id */
1211     NULL,                     /* home_dir */
1212     NULL,                     /* current_dir */
1213     TRUE,                     /* multi-domain */
1214     FALSE,                    /* overrides_hosts */
1215     100,                      /* max_addresses */
1216     500,                      /* connection_max_messages */
1217     FALSE,                    /* deliver_as_creator */
1218     FALSE,                    /* disable_logging */
1219     FALSE,                    /* initgroups */
1220     FALSE,                    /* uid_set */
1221     FALSE,                    /* gid_set */
1222     (uid_t)(-1),              /* uid */
1223     (gid_t)(-1),              /* gid */
1224     NULL,                     /* expand_uid */
1225     NULL,                     /* expand_gid */
1226     NULL,                     /* warn_message */
1227     NULL,                     /* shadow */
1228     NULL,                     /* shadow_condition */
1229     NULL,                     /* filter_command */
1230     NULL,                     /* add_headers */
1231     NULL,                     /* remove_headers */
1232     NULL,                     /* return_path */
1233     NULL,                     /* debug_string */
1234     NULL,                     /* message_size_limit */
1235     NULL,                     /* headers_rewrite */
1236     NULL,                     /* rewrite_rules */
1237     0,                        /* rewrite_existflags */
1238     300,                      /* filter_timeout */
1239     FALSE,                    /* body_only */
1240     FALSE,                    /* delivery_date_add */
1241     FALSE,                    /* envelope_to_add */
1242     FALSE,                    /* headers_only */
1243     FALSE,                    /* rcpt_include_affixes */
1244     FALSE,                    /* return_path_add */
1245     FALSE,                    /* return_output */
1246     FALSE,                    /* return_fail_output */
1247     FALSE,                    /* log_output */
1248     FALSE,                    /* log_fail_output */
1249     FALSE,                    /* log_defer_output */
1250     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1251                                  1 nor 0 so can detect unset */
1252 };
1253
1254 int     transport_count;
1255 uschar **transport_filter_argv  = NULL;
1256 int     transport_filter_timeout;
1257 BOOL    transport_filter_timed_out = FALSE;
1258 int     transport_write_timeout= 0;
1259
1260 tree_node  *tree_dns_fails     = NULL;
1261 tree_node  *tree_duplicates    = NULL;
1262 tree_node  *tree_nonrecipients = NULL;
1263 tree_node  *tree_unusable      = NULL;
1264
1265 BOOL    trusted_caller         = FALSE;
1266 gid_t  *trusted_groups         = NULL;
1267 uid_t  *trusted_users          = NULL;
1268 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1269
1270 uschar *unknown_login          = NULL;
1271 uschar *unknown_username       = NULL;
1272 uschar *untrusted_set_sender   = NULL;
1273
1274 /*  A regex for matching a "From_" line in an incoming message, in the form
1275
1276     From ph10 Fri Jan  5 12:35 GMT 1996
1277
1278 which  the "mail" commands send to the MTA (undocumented, of course), or in
1279 the  form
1280
1281     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1282
1283 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1284 Because  of variations in time formats, just match up to the minutes. That
1285 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1286 so  just require one digit for hours and minutes. The weekday is also absent
1287 in  some forms. */
1288
1289 uschar *uucp_from_pattern      = US
1290    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1291    "(?:"                                          /* Non-extracting bracket */
1292    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1293    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1294    ")"                                            /* End alternation */
1295    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1296
1297 uschar *uucp_from_sender       = US"$1";
1298
1299 uschar *warn_message_file      = NULL;
1300 uschar *warnmsg_delay          = NULL;
1301 uschar *warnmsg_recipients     = NULL;
1302 BOOL    write_rejectlog        = TRUE;
1303
1304 uschar *version_copyright      = US"Copyright (c) University of Cambridge, 1995 - 2007";
1305 uschar *version_date           = US"?";
1306 uschar *version_cnumber        = US"????";
1307 uschar *version_string         = US"?";
1308
1309 int     warning_count          = 0;
1310
1311 /*  End of globals.c */