src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.65 2007/01/30 11:45:20 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2007 */
   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   { "driver",        opt_stringptr | opt_public,
  36                  (void *)(offsetof(auth_instance, driver_name)) },
  37   { "public_name",   opt_stringptr | opt_public,
  38                  (void *)(offsetof(auth_instance, public_name)) },
  39   { "server_advertise_condition", opt_stringptr | opt_public,
  40                  (void *)(offsetof(auth_instance, advertise_condition))},
  41   { "server_condition", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, server_condition)) },
  43   { "server_debug_print", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, server_debug_string)) },
  45   { "server_mail_auth_condition", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  47   { "server_set_id", opt_stringptr | opt_public,
  48                  (void *)(offsetof(auth_instance, set_id)) }
  49 };
  50
  51 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  52
  53 /* An empty host aliases list. */
  54
  55 uschar *no_aliases             = NULL;
  56
  57
  58 /* For comments on these variables, see globals.h. I'm too idle to
  59 duplicate them here... */
  60
  61 #ifdef EXIM_PERL
  62 uschar *opt_perl_startup       = NULL;
  63 BOOL    opt_perl_at_start      = FALSE;
  64 BOOL    opt_perl_started       = FALSE;
  65 #endif
  66
  67 #ifdef EXPAND_DLFUNC
  68 tree_node *dlobj_anchor        = NULL;
  69 #endif
  70
  71 #ifdef LOOKUP_IBASE
  72 uschar *ibase_servers          = NULL;
  73 #endif
  74
  75 #ifdef LOOKUP_LDAP
  76 uschar *eldap_default_servers  = NULL;
  77 int     eldap_version          = -1;
  78 #endif
  79
  80 #ifdef LOOKUP_MYSQL
  81 uschar *mysql_servers          = NULL;
  82 #endif
  83
  84 #ifdef LOOKUP_ORACLE
  85 uschar *oracle_servers         = NULL;
  86 #endif
  87
  88 #ifdef LOOKUP_PGSQL
  89 uschar *pgsql_servers          = NULL;
  90 #endif
  91
  92 #ifdef LOOKUP_SQLITE
  93 int     sqlite_lock_timeout    = 5;
  94 #endif
  95
  96 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  97 BOOL    move_frozen_messages   = FALSE;
  98 #endif
  99
 100 /* These variables are outside the #ifdef because it keeps the code less
 101 cluttered in several places (e.g. during logging) if we can always refer to
 102 them. Also, the tls_ variables are now always visible. */
 103
 104 BOOL    tls_active             = -1;
 105 BOOL    tls_certificate_verified = FALSE;
 106 uschar *tls_cipher             = NULL;
 107 BOOL    tls_on_connect         = FALSE;
 108 uschar *tls_on_connect_ports   = NULL;
 109 uschar *tls_peerdn             = NULL;
 110
 111 #ifdef SUPPORT_TLS
 112 uschar *gnutls_require_mac     = NULL;
 113 uschar *gnutls_require_kx      = NULL;
 114 uschar *gnutls_require_proto   = NULL;
 115 const pcre *regex_STARTTLS     = NULL;
 116 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 117 uschar *tls_certificate        = NULL;
 118 uschar *tls_crl                = NULL;
 119 uschar *tls_dhparam            = NULL;
 120 BOOL    tls_offered            = FALSE;
 121 uschar *tls_privatekey         = NULL;
 122 BOOL    tls_remember_esmtp     = FALSE;
 123 uschar *tls_require_ciphers    = NULL;
 124 uschar *tls_try_verify_hosts   = NULL;
 125 uschar *tls_verify_certificates= NULL;
 126 uschar *tls_verify_hosts       = NULL;
 127 #endif
 128
 129
 130 /* Input-reading functions for messages, so we can use special ones for
 131 incoming TCP/IP. The defaults use stdin. We never need these for any
 132 stand-alone tests. */
 133
 134 #ifndef STAND_ALONE
 135 int (*receive_getc)(void)      = stdin_getc;
 136 int (*receive_ungetc)(int)     = stdin_ungetc;
 137 int (*receive_feof)(void)      = stdin_feof;
 138 int (*receive_ferror)(void)    = stdin_ferror;
 139 #endif
 140
 141
 142 /* List of per-address expansion variables for clearing and saving/restoring
 143 when verifying one address while routing/verifying another. We have to have
 144 the size explicit, because it is referenced from more than one module. */
 145
 146 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 147   &deliver_address_data,
 148   &deliver_domain,
 149   &deliver_domain_data,
 150   &deliver_domain_orig,
 151   &deliver_domain_parent,
 152   &deliver_localpart,
 153   &deliver_localpart_data,
 154   &deliver_localpart_orig,
 155   &deliver_localpart_parent,
 156   &deliver_localpart_prefix,
 157   &deliver_localpart_suffix,
 158   (uschar **)(&deliver_recipients),
 159   &deliver_host,
 160   &deliver_home,
 161   &address_file,
 162   &address_pipe,
 163   &self_hostname,
 164   NULL };
 165
 166 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 167
 168 /* General global variables */
 169
 170 header_line *acl_added_headers = NULL;
 171 tree_node *acl_anchor          = NULL;
 172 uschar *acl_not_smtp           = NULL;
 173 #ifdef WITH_CONTENT_SCAN
 174 uschar *acl_not_smtp_mime      = NULL;
 175 #endif
 176 uschar *acl_not_smtp_start     = NULL;
 177 uschar *acl_smtp_auth          = NULL;
 178 uschar *acl_smtp_connect       = NULL;
 179 uschar *acl_smtp_data          = NULL;
 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_predata       = NULL;
 189 uschar *acl_smtp_quit          = NULL;
 190 uschar *acl_smtp_rcpt          = NULL;
 191 uschar *acl_smtp_starttls      = NULL;
 192 uschar *acl_smtp_vrfy          = NULL;
 193 BOOL    acl_temp_details       = FALSE;
 194 tree_node *acl_var_c           = NULL;
 195 tree_node *acl_var_m           = NULL;
 196 uschar *acl_verify_message     = NULL;
 197 string_item *acl_warn_logged   = NULL;
 198
 199 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 200 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 201
 202 uschar *acl_wherenames[]       = { US"RCPT",
 203                                    US"MAIL",
 204                                    US"PREDATA",
 205                                    US"MIME",
 206                                    US"DATA",
 207                                    US"non-SMTP",
 208                                    US"AUTH",
 209                                    US"connection",
 210                                    US"ETRN",
 211                                    US"EXPN",
 212                                    US"EHLO or HELO",
 213                                    US"MAILAUTH",
 214                                    US"non-SMTP-start",
 215                                    US"QUIT",
 216                                    US"STARTTLS",
 217                                    US"VRFY"
 218                                  };
 219
 220 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 221                                    US"550",     /* MAIL */
 222                                    US"550",     /* PREDATA */
 223                                    US"550",     /* MIME */
 224                                    US"550",     /* DATA */
 225                                    US"0",       /* not SMTP; not relevant */
 226                                    US"503",     /* AUTH */
 227                                    US"550",     /* connect */
 228                                    US"458",     /* ETRN */
 229                                    US"550",     /* EXPN */
 230                                    US"550",     /* HELO/EHLO */
 231                                    US"0",       /* MAILAUTH; not relevant */
 232                                    US"0",       /* not SMTP; not relevant */
 233                                    US"0",       /* QUIT; not relevant */
 234                                    US"550",     /* STARTTLS */
 235                                    US"252"      /* VRFY */
 236                                  };
 237
 238 BOOL    active_local_from_check = FALSE;
 239 BOOL    active_local_sender_retain = FALSE;
 240 BOOL    accept_8bitmime        = FALSE;
 241 address_item  *addr_duplicate  = NULL;
 242
 243 address_item address_defaults = {
 244   NULL,                 /* next */
 245   NULL,                 /* parent */
 246   NULL,                 /* first */
 247   NULL,                 /* dupof */
 248   NULL,                 /* start_router */
 249   NULL,                 /* router */
 250   NULL,                 /* transport */
 251   NULL,                 /* host_list */
 252   NULL,                 /* host_used */
 253   NULL,                 /* fallback_hosts */
 254   NULL,                 /* reply */
 255   NULL,                 /* retries */
 256   NULL,                 /* address */
 257   NULL,                 /* unique */
 258   NULL,                 /* cc_local_part */
 259   NULL,                 /* lc_local_part */
 260   NULL,                 /* local_part */
 261   NULL,                 /* prefix */
 262   NULL,                 /* suffix */
 263   NULL,                 /* domain */
 264   NULL,                 /* address_retry_key */
 265   NULL,                 /* domain_retry_key */
 266   NULL,                 /* current_dir */
 267   NULL,                 /* home_dir */
 268   NULL,                 /* message */
 269   NULL,                 /* user_message */
 270   NULL,                 /* onetime_parent */
 271   NULL,                 /* pipe_expandn */
 272   NULL,                 /* return_filename */
 273   NULL,                 /* self_hostname */
 274   NULL,                 /* shadow_message */
 275   #ifdef SUPPORT_TLS
 276   NULL,                 /* cipher */
 277   NULL,                 /* peerdn */
 278   #endif
 279   (uid_t)(-1),          /* uid */
 280   (gid_t)(-1),          /* gid */
 281   0,                    /* flags */
 282   { 0 },                /* domain_cache - any larger array should be zeroed */
 283   { 0 },                /* localpart_cache - ditto */
 284   -1,                   /* mode */
 285   0,                    /* more_errno */
 286   ERRNO_UNKNOWNERROR,   /* basic_errno */
 287   0,                    /* child_count */
 288   -1,                   /* return_file */
 289   SPECIAL_NONE,         /* special_action */
 290   DEFER,                /* transport_return */
 291   {                     /* fields that are propagated to children */
 292     NULL,               /* address_data */
 293     NULL,               /* domain_data */
 294     NULL,               /* localpart_data */
 295     NULL,               /* errors_address */
 296     NULL,               /* extra_headers */
 297     NULL,               /* remove_headers */
 298 #ifdef EXPERIMENTAL_SRS
 299     NULL,               /* srs_sender */
 300 #endif
 301   }
 302 };
 303
 304 uschar *address_file           = NULL;
 305 uschar *address_pipe           = NULL;
 306 BOOL    address_test_mode      = FALSE;
 307 tree_node *addresslist_anchor  = NULL;
 308 int     addresslist_count      = 0;
 309 gid_t  *admin_groups           = NULL;
 310 BOOL    admin_user             = FALSE;
 311 BOOL    allow_auth_unadvertised= FALSE;
 312 BOOL    allow_domain_literals  = FALSE;
 313 BOOL    allow_mx_to_ip         = FALSE;
 314 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 315 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 316 BOOL    allow_utf8_domains     = FALSE;
 317 uschar *authenticated_id       = NULL;
 318 uschar *authenticated_sender   = NULL;
 319 BOOL    authentication_failed  = FALSE;
 320 auth_instance  *auths          = NULL;
 321 uschar *auth_advertise_hosts   = US"*";
 322 auth_instance auth_defaults    = {
 323     NULL,                      /* chain pointer */
 324     NULL,                      /* name */
 325     NULL,                      /* info */
 326     NULL,                      /* private options block pointer */
 327     NULL,                      /* driver_name */
 328     NULL,                      /* advertise_condition */
 329     NULL,                      /* public_name */
 330     NULL,                      /* set_id */
 331     NULL,                      /* server_mail_auth_condition */
 332     NULL,                      /* server_debug_string */
 333     NULL,                      /* server_condition */
 334     FALSE,                     /* client */
 335     FALSE,                     /* server */
 336     FALSE                      /* advertised */
 337 };
 338
 339 uschar *auth_defer_msg         = US"reason not recorded";
 340 uschar *auth_defer_user_msg    = US"";
 341 uschar *auth_vars[AUTH_VARS];
 342 int     auto_thaw              = 0;
 343 #ifdef WITH_CONTENT_SCAN
 344 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 345 #endif
 346
 347 BOOL    background_daemon      = TRUE;
 348
 349 #if BASE_62 == 62
 350 uschar *base62_chars=
 351     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 352 #else
 353 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 354 #endif
 355
 356 uschar *bi_command             = NULL;
 357 uschar *big_buffer             = NULL;
 358 int     big_buffer_size        = BIG_BUFFER_SIZE;
 359 #ifdef EXPERIMENTAL_BRIGHTMAIL
 360 uschar *bmi_alt_location       = NULL;
 361 uschar *bmi_base64_tracker_verdict = NULL;
 362 uschar *bmi_base64_verdict     = NULL;
 363 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 364 int     bmi_deliver            = 1;
 365 int     bmi_run                = 0;
 366 uschar *bmi_verdicts           = NULL;
 367 #endif
 368 int     body_linecount         = 0;
 369 int     body_zerocount         = 0;
 370 uschar *bounce_message_file    = NULL;
 371 uschar *bounce_message_text    = NULL;
 372 uschar *bounce_recipient       = NULL;
 373 BOOL    bounce_return_body     = TRUE;
 374 BOOL    bounce_return_message  = TRUE;
 375 int     bounce_return_size_limit = 100*1024;
 376 uschar *bounce_sender_authentication = NULL;
 377 int     bsmtp_transaction_linecount = 0;
 378
 379 int     callout_cache_domain_positive_expire = 7*24*60*60;
 380 int     callout_cache_domain_negative_expire = 3*60*60;
 381 int     callout_cache_positive_expire = 24*60*60;
 382 int     callout_cache_negative_expire = 2*60*60;
 383 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 384 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
 385 int     check_log_inodes       = 0;
 386 int     check_log_space        = 0;
 387 BOOL    check_rfc2047_length   = TRUE;
 388 int     check_spool_inodes     = 0;
 389 int     check_spool_space      = 0;
 390 int     clmacro_count          = 0;
 391 uschar *clmacros[MAX_CLMACROS];
 392 BOOL    config_changed         = FALSE;
 393 FILE   *config_file            = NULL;
 394 uschar *config_filename        = NULL;
 395 int     config_lineno          = 0;
 396 #ifdef CONFIGURE_GROUP
 397 gid_t   config_gid             = CONFIGURE_GROUP;
 398 #endif
 399 uschar *config_main_filelist   = US CONFIGURE_FILE
 400                          "\0<-----------Space to patch configure_filename->";
 401 uschar *config_main_filename   = NULL;
 402
 403 #ifdef CONFIGURE_OWNER
 404 uid_t   config_uid             = CONFIGURE_OWNER;
 405 #endif
 406
 407 int     connection_max_messages= -1;
 408 uschar *continue_hostname      = NULL;
 409 uschar *continue_host_address  = NULL;
 410 BOOL    continue_more          = FALSE;
 411 int     continue_sequence      = 1;
 412 uschar *continue_transport     = NULL;
 413
 414 uschar *csa_status             = NULL;
 415
 416 BOOL    daemon_listen          = FALSE;
 417 uschar *daemon_smtp_port       = US"smtp";
 418 int     daemon_startup_retries = 9;
 419 int     daemon_startup_sleep   = 30;
 420 BOOL    debug_daemon           = FALSE;
 421 int     debug_fd               = -1;
 422 FILE   *debug_file             = NULL;
 423 bit_table debug_options[]      = {
 424   { US"acl",            D_acl },
 425   { US"all",            D_all },
 426   { US"auth",           D_auth },
 427   { US"deliver",        D_deliver },
 428   { US"dns",            D_dns },
 429   { US"dnsbl",          D_dnsbl },
 430   { US"exec",           D_exec },
 431   { US"expand",         D_expand },
 432   { US"filter",         D_filter },
 433   { US"hints_lookup",   D_hints_lookup },
 434   { US"host_lookup",    D_host_lookup },
 435   { US"ident",          D_ident },
 436   { US"interface",      D_interface },
 437   { US"lists",          D_lists },
 438   { US"load",           D_load },
 439   { US"local_scan",     D_local_scan },
 440   { US"lookup",         D_lookup },
 441   { US"memory",         D_memory },
 442   { US"pid",            D_pid },
 443   { US"process_info",   D_process_info },
 444   { US"queue_run",      D_queue_run },
 445   { US"receive",        D_receive },
 446   { US"resolver",       D_resolver },
 447   { US"retry",          D_retry },
 448   { US"rewrite",        D_rewrite },
 449   { US"route",          D_route },
 450   { US"timestamp",      D_timestamp },
 451   { US"tls",            D_tls },
 452   { US"transport",      D_transport },
 453   { US"uid",            D_uid },
 454   { US"verify",         D_verify }
 455 };
 456 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 457 unsigned int debug_selector    = 0;
 458 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 459 uschar *delay_warning_condition=
 460   US"${if or {"
 461             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 462             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 463             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 464             "} {no}{yes}}";
 465 BOOL    delivery_date_remove   = TRUE;
 466 uschar *deliver_address_data   = NULL;
 467 int     deliver_datafile       = -1;
 468 uschar *deliver_domain         = NULL;
 469 uschar *deliver_domain_data    = NULL;
 470 uschar *deliver_domain_orig    = NULL;
 471 uschar *deliver_domain_parent  = NULL;
 472 BOOL    deliver_drop_privilege = FALSE;
 473 BOOL    deliver_firsttime      = FALSE;
 474 BOOL    deliver_force          = FALSE;
 475 BOOL    deliver_freeze         = FALSE;
 476 int     deliver_frozen_at      = 0;
 477 uschar *deliver_home           = NULL;
 478 uschar *deliver_host           = NULL;
 479 uschar *deliver_host_address   = NULL;
 480 uschar *deliver_in_buffer      = NULL;
 481 ino_t   deliver_inode          = 0;
 482 uschar *deliver_localpart      = NULL;
 483 uschar *deliver_localpart_data = NULL;
 484 uschar *deliver_localpart_orig = NULL;
 485 uschar *deliver_localpart_parent = NULL;
 486 uschar *deliver_localpart_prefix = NULL;
 487 uschar *deliver_localpart_suffix = NULL;
 488 BOOL    deliver_force_thaw     = FALSE;
 489 BOOL    deliver_manual_thaw    = FALSE;
 490 uschar *deliver_out_buffer     = NULL;
 491 int     deliver_queue_load_max = -1;
 492 address_item  *deliver_recipients = NULL;
 493 uschar *deliver_selectstring   = NULL;
 494 BOOL    deliver_selectstring_regex = FALSE;
 495 uschar *deliver_selectstring_sender = NULL;
 496 BOOL    deliver_selectstring_sender_regex = FALSE;
 497 #ifdef WITH_OLD_DEMIME
 498 int     demime_errorlevel      = 0;
 499 int     demime_ok              = 0;
 500 uschar *demime_reason          = NULL;
 501 #endif
 502 #ifdef ENABLE_DISABLE_FSYNC
 503 BOOL    disable_fsync          = FALSE;
 504 #endif
 505 BOOL    disable_ipv6           = FALSE;
 506 BOOL    disable_logging        = FALSE;
 507
 508 #ifdef EXPERIMENTAL_DOMAINKEYS
 509 uschar *dk_signing_domain      = NULL;
 510 uschar *dk_signing_selector    = NULL;
 511 int     dk_do_verify           = 0;
 512 #endif
 513
 514 uschar *dns_again_means_nonexist = NULL;
 515 int     dns_csa_search_limit   = 5;
 516 BOOL    dns_csa_use_reverse    = TRUE;
 517 uschar *dns_ipv4_lookup        = NULL;
 518 int     dns_retrans            = 0;
 519 int     dns_retry              = 0;
 520 uschar *dnslist_domain         = NULL;
 521 uschar *dnslist_text           = NULL;
 522 uschar *dnslist_value          = NULL;
 523 tree_node *domainlist_anchor   = NULL;
 524 int     domainlist_count       = 0;
 525 BOOL    dont_deliver           = FALSE;
 526 BOOL    dot_ends               = TRUE;
 527 BOOL    drop_cr                = FALSE;         /* No longer used */
 528
 529 BOOL    enable_dollar_recipients = FALSE;
 530 BOOL    envelope_to_remove     = TRUE;
 531 int     errno_quota            = ERRNO_QUOTA;
 532 uschar *errors_copy            = NULL;
 533 int     error_handling         = ERRORS_SENDER;
 534 uschar *errors_reply_to        = NULL;
 535 int     errors_sender_rc       = EXIT_FAILURE;
 536
 537 gid_t   exim_gid               = EXIM_GID;
 538 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 539 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 540                         "\0<---------------Space to patch exim_path->";
 541 uid_t   exim_uid               = EXIM_UID;
 542 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 543 int     expand_forbid          = 0;
 544 int     expand_nlength[EXPAND_MAXN+1];
 545 int     expand_nmax            = -1;
 546 uschar *expand_nstring[EXPAND_MAXN+1];
 547 BOOL    expand_string_forcedfail = FALSE;
 548 uschar *expand_string_message;
 549 BOOL    extract_addresses_remove_arguments = TRUE;
 550 uschar *extra_local_interfaces = NULL;
 551
 552 int     fake_response          = OK;
 553 uschar *fake_response_text     = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
 554 int     filter_n[FILTER_VARIABLE_COUNT];
 555 BOOL    filter_running         = FALSE;
 556 int     filter_sn[FILTER_VARIABLE_COUNT];
 557 int     filter_test            = FTEST_NONE;
 558 uschar *filter_test_sfile      = NULL;
 559 uschar *filter_test_ufile      = NULL;
 560 uschar *filter_thisaddress     = NULL;
 561 int     finduser_retries       = 0;
 562 #ifdef WITH_OLD_DEMIME
 563 uschar *found_extension        = NULL;
 564 #endif
 565 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 566 uschar *freeze_tell            = NULL;
 567 uschar *freeze_tell_config     = NULL;
 568 uschar *fudged_queue_times     = US"";
 569
 570 uschar *gecos_name             = NULL;
 571 uschar *gecos_pattern          = NULL;
 572 rewrite_rule  *global_rewrite_rules = NULL;
 573
 574 uschar *headers_charset        = US HEADERS_CHARSET;
 575 int     header_insert_maxlen   = 64 * 1024;
 576 header_line  *header_last      = NULL;
 577 header_line  *header_list      = NULL;
 578 int     header_maxsize         = HEADER_MAXSIZE;
 579 int     header_line_maxsize    = 0;
 580
 581 header_name header_names[] = {
 582   { US"bcc",            3, TRUE,  htype_bcc },
 583   { US"cc",             2, TRUE,  htype_cc },
 584   { US"date",           4, TRUE,  htype_date },
 585   { US"delivery-date", 13, FALSE, htype_delivery_date },
 586   { US"envelope-to",   11, FALSE, htype_envelope_to },
 587   { US"from",           4, TRUE,  htype_from },
 588   { US"message-id",    10, TRUE,  htype_id },
 589   { US"received",       8, FALSE, htype_received },
 590   { US"reply-to",       8, FALSE, htype_reply_to },
 591   { US"return-path",   11, FALSE, htype_return_path },
 592   { US"sender",         6, TRUE,  htype_sender },
 593   { US"subject",        7, FALSE, htype_subject },
 594   { US"to",             2, TRUE,  htype_to }
 595 };
 596
 597 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 598
 599 BOOL    header_rewritten       = FALSE;
 600 uschar *helo_accept_junk_hosts = NULL;
 601 uschar *helo_allow_chars       = US"";
 602 uschar *helo_lookup_domains    = US"@ : @[]";
 603 uschar *helo_try_verify_hosts  = NULL;
 604 BOOL    helo_verified          = FALSE;
 605 BOOL    helo_verify_failed     = FALSE;
 606 uschar *helo_verify_hosts      = NULL;
 607 uschar *hex_digits             = US"0123456789abcdef";
 608 uschar *hold_domains           = NULL;
 609 BOOL    host_checking          = FALSE;
 610 BOOL    host_checking_callout  = FALSE;
 611 uschar *host_data              = NULL;
 612 BOOL    host_find_failed_syntax= FALSE;
 613 uschar *host_lookup            = NULL;
 614 BOOL    host_lookup_deferred   = FALSE;
 615 BOOL    host_lookup_failed     = FALSE;
 616 uschar *host_lookup_order      = US"bydns:byaddr";
 617 uschar *host_lookup_msg        = US"";
 618 int     host_number            = 0;
 619 uschar *host_number_string     = NULL;
 620 uschar *host_reject_connection = NULL;
 621 tree_node *hostlist_anchor     = NULL;
 622 int     hostlist_count         = 0;
 623 uschar *hosts_treat_as_local   = NULL;
 624 uschar *hosts_connection_nolog = NULL;
 625
 626 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 627 BOOL    ignore_fromline_local  = FALSE;
 628 uschar *ignore_fromline_hosts  = NULL;
 629 uschar *interface_address      = NULL;
 630 int     interface_port         = -1;
 631 BOOL    is_inetd               = FALSE;
 632
 633 int     journal_fd             = -1;
 634
 635 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 636
 637 uschar *eldap_dn               = NULL;
 638 int     load_average           = -2;
 639 BOOL    local_error_message    = FALSE;
 640 BOOL    local_from_check       = TRUE;
 641 uschar *local_from_prefix      = NULL;
 642 uschar *local_from_suffix      = NULL;
 643
 644 #if HAVE_IPV6
 645 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 646 #else
 647 uschar *local_interfaces       = US"0.0.0.0";
 648 #endif
 649
 650 uschar *local_scan_data        = NULL;
 651 int     local_scan_timeout     = 5*60;
 652 BOOL    local_sender_retain    = FALSE;
 653 gid_t   local_user_gid         = (gid_t)(-1);
 654 uid_t   local_user_uid         = (uid_t)(-1);
 655
 656 tree_node *localpartlist_anchor= NULL;
 657 int     localpartlist_count    = 0;
 658 uschar *log_buffer             = NULL;
 659 unsigned int log_extra_selector = LX_default;
 660 uschar *log_file_path          = US LOG_FILE_PATH
 661                            "\0<--------------Space to patch log_file_path->";
 662
 663 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 664 are the ones that get put into log_write_selector. They can be used in calls to
 665 log_write() to test for the bit. The options with LX_xxx identifiers have
 666 values greater than 0x80000000 and are put int log_extra_selector (without the
 667 top bit). They are never used in calls to log_write(), but are tested
 668 independently. This separation became necessary when the number of log
 669 selectors was getting close to filling a 32-bit word. */
 670
 671 bit_table log_options[]        = {
 672   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 673   { US"address_rewrite",              L_address_rewrite },
 674   { US"all",                          L_all },
 675   { US"all_parents",                  L_all_parents },
 676   { US"arguments",                    LX_arguments },
 677   { US"connection_reject",            L_connection_reject },
 678   { US"delay_delivery",               L_delay_delivery },
 679   { US"deliver_time",                 LX_deliver_time },
 680   { US"delivery_size",                LX_delivery_size },
 681   { US"dnslist_defer",                L_dnslist_defer },
 682   { US"etrn",                         L_etrn },
 683   { US"host_lookup_failed",           L_host_lookup_failed },
 684   { US"ident_timeout",                LX_ident_timeout },
 685   { US"incoming_interface",           LX_incoming_interface },
 686   { US"incoming_port",                LX_incoming_port },
 687   { US"lost_incoming_connection",     L_lost_incoming_connection },
 688   { US"outgoing_port",                LX_outgoing_port },
 689   { US"queue_run",                    L_queue_run },
 690   { US"queue_time",                   LX_queue_time },
 691   { US"queue_time_overall",           LX_queue_time_overall },
 692   { US"received_recipients",          LX_received_recipients },
 693   { US"received_sender",              LX_received_sender },
 694   { US"rejected_header",              LX_rejected_header },
 695   { US"rejected_headers",             LX_rejected_header },
 696   { US"retry_defer",                  L_retry_defer },
 697   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 698   { US"sender_on_delivery",           LX_sender_on_delivery },
 699   { US"sender_verify_fail",           LX_sender_verify_fail },
 700   { US"size_reject",                  L_size_reject },
 701   { US"skip_delivery",                L_skip_delivery },
 702   { US"smtp_confirmation",            LX_smtp_confirmation },
 703   { US"smtp_connection",              L_smtp_connection },
 704   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 705   { US"smtp_no_mail",                 LX_smtp_no_mail },
 706   { US"smtp_protocol_error",          L_smtp_protocol_error },
 707   { US"smtp_syntax_error",            L_smtp_syntax_error },
 708   { US"subject",                      LX_subject },
 709   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 710   { US"tls_cipher",                   LX_tls_cipher },
 711   { US"tls_peerdn",                   LX_tls_peerdn },
 712   { US"unknown_in_list",              LX_unknown_in_list }
 713 };
 714
 715 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 716 int     log_reject_target      = 0;
 717 uschar *log_selector_string    = NULL;
 718 FILE   *log_stderr             = NULL;
 719 BOOL    log_testing_mode       = FALSE;
 720 BOOL    log_timezone           = FALSE;
 721 unsigned int log_write_selector= L_default;
 722 uschar *login_sender_address   = NULL;
 723 int     lookup_open_max        = 25;
 724 uschar *lookup_value           = NULL;
 725
 726 macro_item  *macros            = NULL;
 727 uschar *mailstore_basename     = NULL;
 728 #ifdef WITH_CONTENT_SCAN
 729 uschar *malware_name           = NULL;  /* Virus Name */
 730 #endif
 731 int     max_username_length    = 0;
 732 int     message_age            = 0;
 733 uschar *message_body           = NULL;
 734 uschar *message_body_end       = NULL;
 735 int     message_body_size      = 0;
 736 int     message_body_visible   = 500;
 737 int     message_ended          = END_NOTSTARTED;
 738 uschar *message_headers        = NULL;
 739 uschar *message_id;
 740 uschar *message_id_domain      = NULL;
 741 uschar *message_id_text        = NULL;
 742 struct timeval message_id_tv   = { 0, 0 };
 743 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 744 uschar *message_id_external;
 745 int     message_linecount      = 0;
 746 BOOL    message_logs           = TRUE;
 747 int     message_size           = 0;
 748 uschar *message_size_limit     = US"50M";
 749 uschar  message_subdir[2]      = { 0, 0 };
 750 uschar *message_reference      = NULL;
 751
 752 /* MIME ACL expandables */
 753 #ifdef WITH_CONTENT_SCAN
 754 int     mime_anomaly_level     = 0;
 755 uschar *mime_anomaly_text      = NULL;
 756 uschar *mime_boundary          = NULL;
 757 uschar *mime_charset           = NULL;
 758 uschar *mime_content_description = NULL;
 759 uschar *mime_content_disposition = NULL;
 760 uschar *mime_content_id        = NULL;
 761 unsigned int mime_content_size = 0;
 762 uschar *mime_content_transfer_encoding = NULL;
 763 uschar *mime_content_type      = NULL;
 764 uschar *mime_decoded_filename  = NULL;
 765 uschar *mime_filename          = NULL;
 766 int     mime_is_multipart      = 0;
 767 int     mime_is_coverletter    = 0;
 768 int     mime_is_rfc822         = 0;
 769 int     mime_part_count        = -1;
 770 #endif
 771
 772 BOOL    mua_wrapper            = FALSE;
 773
 774 uid_t  *never_users            = NULL;
 775 #ifdef WITH_CONTENT_SCAN
 776 BOOL    no_mbox_unspool        = FALSE;
 777 #endif
 778 BOOL    no_multiline_responses = FALSE;
 779
 780 uid_t   original_euid;
 781 gid_t   originator_gid;
 782 uschar *originator_login       = NULL;
 783 uschar *originator_name        = NULL;
 784 uid_t   originator_uid;
 785 uschar *override_local_interfaces = NULL;
 786 uschar *override_pid_file_path = NULL;
 787
 788 BOOL    parse_allow_group      = FALSE;
 789 BOOL    parse_found_group      = FALSE;
 790 uschar *percent_hack_domains   = NULL;
 791 uschar *pid_file_path          = US PID_FILE_PATH
 792                            "\0<--------------Space to patch pid_file_path->";
 793 BOOL    pipelining_enable      = TRUE;
 794 uschar *pipelining_advertise_hosts = US"*";
 795 BOOL    preserve_message_logs  = FALSE;
 796 uschar *primary_hostname       = NULL;
 797 BOOL    print_topbitchars      = FALSE;
 798 uschar  process_info[PROCESS_INFO_SIZE];
 799 uschar *process_log_path       = NULL;
 800 BOOL    prod_requires_admin    = TRUE;
 801 uschar *prvscheck_address      = NULL;
 802 uschar *prvscheck_keynum       = NULL;
 803 uschar *prvscheck_result       = NULL;
 804
 805
 806 uschar *qualify_domain_recipient = NULL;
 807 uschar *qualify_domain_sender  = NULL;
 808 BOOL    queue_2stage           = FALSE;
 809 uschar *queue_domains          = NULL;
 810 int     queue_interval         = -1;
 811 BOOL    queue_list_requires_admin = TRUE;
 812 BOOL    queue_only             = FALSE;
 813 uschar *queue_only_file        = NULL;
 814 int     queue_only_load        = -1;
 815 BOOL    queue_only_override    = TRUE;
 816 BOOL    queue_only_policy      = FALSE;
 817 BOOL    queue_run_first_delivery = FALSE;
 818 BOOL    queue_run_force        = FALSE;
 819 BOOL    queue_run_in_order     = FALSE;
 820 BOOL    queue_run_local        = FALSE;
 821 int     queue_run_max          = 5;
 822 pid_t   queue_run_pid          = (pid_t)0;
 823 int     queue_run_pipe         = -1;
 824 BOOL    queue_running          = FALSE;
 825 BOOL    queue_smtp             = FALSE;
 826 uschar *queue_smtp_domains     = NULL;
 827
 828 unsigned int random_seed       = 0;
 829 tree_node *ratelimiters_cmd    = NULL;
 830 tree_node *ratelimiters_conn   = NULL;
 831 tree_node *ratelimiters_mail   = NULL;
 832 uschar *raw_active_hostname    = NULL;
 833 uschar *raw_sender             = NULL;
 834 uschar **raw_recipients        = NULL;
 835 int     raw_recipients_count   = 0;
 836
 837 int     rcpt_count             = 0;
 838 int     rcpt_fail_count        = 0;
 839 int     rcpt_defer_count       = 0;
 840 gid_t   real_gid;
 841 uid_t   real_uid;
 842 BOOL    really_exim            = TRUE;
 843 BOOL    receive_call_bombout   = FALSE;
 844 int     receive_linecount      = 0;
 845 int     receive_messagecount   = 0;
 846 int     receive_timeout        = 0;
 847 int     received_count         = 0;
 848 uschar *received_for           = NULL;
 849
 850 /*  This is the default text for Received headers generated by Exim. The
 851 date  will be automatically added on the end. */
 852
 853 uschar *received_header_text   = US
 854      "Received: "
 855      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 856      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 857      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 858      "by $primary_hostname "
 859      "${if def:received_protocol {with $received_protocol}} "
 860      #ifdef SUPPORT_TLS
 861      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 862      #endif
 863      "(Exim $version_number)\n\t"
 864      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 865      "id $message_exim_id"
 866      "${if def:received_for {\n\tfor $received_for}}"
 867      "\0<---------------Space to patch received_header_text->";
 868
 869 int     received_headers_max   = 30;
 870 uschar *received_protocol      = NULL;
 871 int     received_time          = 0;
 872 uschar *recipient_data         = NULL;
 873 uschar *recipient_unqualified_hosts = NULL;
 874 uschar *recipient_verify_failure = NULL;
 875 int     recipients_count       = 0;
 876 BOOL    recipients_discarded   = FALSE;
 877 recipient_item  *recipients_list = NULL;
 878 int     recipients_list_max    = 0;
 879 int     recipients_max         = 0;
 880 BOOL    recipients_max_reject  = FALSE;
 881 const pcre *regex_AUTH         = NULL;
 882 const pcre *regex_check_dns_names = NULL;
 883 const pcre *regex_From         = NULL;
 884 const pcre *regex_IGNOREQUOTA  = NULL;
 885 const pcre *regex_PIPELINING   = NULL;
 886 const pcre *regex_SIZE         = NULL;
 887 const pcre *regex_smtp_code    = NULL;
 888 const pcre *regex_ismsgid      = NULL;
 889 #ifdef WITH_CONTENT_SCAN
 890 uschar *regex_match_string     = NULL;
 891 #endif
 892 int     remote_delivery_count  = 0;
 893 int     remote_max_parallel    = 2;
 894 uschar *remote_sort_domains    = NULL;
 895 int     retry_data_expire      = 7*24*60*60;
 896 int     retry_interval_max     = 24*60*60;
 897 int     retry_maximum_timeout  = 0;        /* set from retry config */
 898 retry_config  *retries         = NULL;
 899 uschar *return_path            = NULL;
 900 BOOL    return_path_remove     = TRUE;
 901 int     rewrite_existflags     = 0;
 902 uschar *rfc1413_hosts          = US"*";
 903 int     rfc1413_query_timeout  = 5;
 904 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 905 uid_t   root_uid               = ROOT_UID;
 906
 907 router_instance  *routers  = NULL;
 908 router_instance  router_defaults = {
 909     NULL,                      /* chain pointer */
 910     NULL,                      /* name */
 911     NULL,                      /* info */
 912     NULL,                      /* private options block pointer */
 913     NULL,                      /* driver name */
 914
 915     NULL,                      /* address_data */
 916 #ifdef EXPERIMENTAL_BRIGHTMAIL
 917     NULL,                      /* bmi_rule */
 918 #endif
 919     NULL,                      /* cannot_route_message */
 920     NULL,                      /* condition */
 921     NULL,                      /* current_directory */
 922     NULL,                      /* debug_string */
 923     NULL,                      /* domains */
 924     NULL,                      /* errors_to */
 925     NULL,                      /* expand_gid */
 926     NULL,                      /* expand_uid */
 927     NULL,                      /* expand_more */
 928     NULL,                      /* expand_unseen */
 929     NULL,                      /* extra_headers */
 930     NULL,                      /* fallback_hosts */
 931     NULL,                      /* home_directory */
 932     NULL,                      /* ignore_target_hosts */
 933     NULL,                      /* local_parts */
 934     NULL,                      /* pass_router_name */
 935     NULL,                      /* prefix */
 936     NULL,                      /* redirect_router_name */
 937     NULL,                      /* remove_headers */
 938     NULL,                      /* require_files */
 939     NULL,                      /* router_home_directory */
 940     US"freeze",                /* self */
 941     NULL,                      /* senders */
 942     NULL,                      /* suffix */
 943     NULL,                      /* translate_ip_address */
 944     NULL,                      /* transport_name */
 945
 946     TRUE,                      /* address_test */
 947 #ifdef EXPERIMENTAL_BRIGHTMAIL
 948     FALSE,                     /* bmi_deliver_alternate */
 949     FALSE,                     /* bmi_deliver_default */
 950     FALSE,                     /* bmi_dont_deliver */
 951 #endif
 952     TRUE,                      /* expn */
 953     FALSE,                     /* caseful_local_part */
 954     FALSE,                     /* check_local_user */
 955     FALSE,                     /* disable_logging */
 956     FALSE,                     /* fail_verify_recipient */
 957     FALSE,                     /* fail_verify_sender */
 958     FALSE,                     /* gid_set */
 959     FALSE,                     /* initgroups */
 960     TRUE_UNSET,                /* log_as_local */
 961     TRUE,                      /* more */
 962     FALSE,                     /* pass_on_timeout */
 963     FALSE,                     /* prefix_optional */
 964     TRUE,                      /* repeat_use */
 965     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 966     FALSE,                     /* same_domain_copy_routing */
 967     FALSE,                     /* self_rewrite */
 968     FALSE,                     /* suffix_optional */
 969     FALSE,                     /* verify_only */
 970     TRUE,                      /* verify_recipient */
 971     TRUE,                      /* verify_sender */
 972     FALSE,                     /* uid_set */
 973     FALSE,                     /* unseen */
 974
 975     self_freeze,               /* self_code */
 976     (uid_t)(-1),               /* uid */
 977     (gid_t)(-1),               /* gid */
 978
 979     NULL,                      /* fallback_hostlist */
 980     NULL,                      /* transport instance */
 981     NULL,                      /* pass_router */
 982     NULL                       /* redirect_router */
 983 };
 984
 985 ip_address_item *running_interfaces = NULL;
 986 BOOL    running_in_test_harness = FALSE;
 987
 988 /* This is a weird one. The following string gets patched in the binary by the
 989 script that sets up a copy of Exim for running in the test harness. It seems
 990 that compilers are now clever, and share constant strings if they can.
 991 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 992 make use of the end of this string in order to save space. So the patching then
 993 wrecks this. We default this optimization by adding some additional characters
 994 onto the end of the string. */
 995
 996 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 997
 998 int     runrc                  = 0;
 999
1000 uschar *search_error_message   = NULL;
1001 BOOL    search_find_defer      = FALSE;
1002 uschar *self_hostname          = NULL;
1003 uschar *sender_address         = NULL;
1004 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1005 uschar *sender_address_data    = NULL;
1006 BOOL    sender_address_forced  = FALSE;
1007 uschar *sender_address_unrewritten = NULL;
1008 uschar *sender_data            = NULL;
1009 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1010 uschar *sender_fullhost        = NULL;
1011 uschar *sender_helo_name       = NULL;
1012 uschar **sender_host_aliases   = &no_aliases;
1013 uschar *sender_host_address    = NULL;
1014 uschar *sender_host_authenticated = NULL;
1015 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1016 uschar *sender_host_name       = NULL;
1017 int     sender_host_port       = 0;
1018 BOOL    sender_host_notsocket  = FALSE;
1019 BOOL    sender_host_unknown    = FALSE;
1020 uschar *sender_ident           = NULL;
1021 BOOL    sender_local           = FALSE;
1022 BOOL    sender_name_forced     = FALSE;
1023 uschar *sender_rate            = NULL;
1024 uschar *sender_rate_limit      = NULL;
1025 uschar *sender_rate_period     = NULL;
1026 uschar *sender_rcvhost         = NULL;
1027 BOOL    sender_set_untrusted   = FALSE;
1028 uschar *sender_unqualified_hosts = NULL;
1029 uschar *sender_verify_failure = NULL;
1030 address_item *sender_verified_list  = NULL;
1031 address_item *sender_verified_failed = NULL;
1032 int     sender_verified_rc     = -1;
1033 BOOL    sender_verified_responded = FALSE;
1034 volatile  BOOL sigalrm_seen    = FALSE;
1035 uschar **sighup_argv           = NULL;
1036 int     smtp_accept_count      = 0;
1037 BOOL    smtp_accept_keepalive  = TRUE;
1038 int     smtp_accept_max        = 20;
1039 int     smtp_accept_max_nonmail= 10;
1040 uschar *smtp_accept_max_nonmail_hosts = US"*";
1041 int     smtp_accept_max_per_connection = 1000;
1042 uschar *smtp_accept_max_per_host = NULL;
1043 int     smtp_accept_queue      = 0;
1044 int     smtp_accept_queue_per_connection = 10;
1045 int     smtp_accept_reserve    = 0;
1046 uschar *smtp_active_hostname   = NULL;
1047 BOOL    smtp_authenticated     = FALSE;
1048 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1049                              "Exim $version_number $tod_full"
1050                              "\0<---------------Space to patch smtp_banner->";
1051 BOOL    smtp_batched_input     = FALSE;
1052 BOOL    smtp_check_spool_space = TRUE;
1053 int     smtp_ch_index          = 0;
1054 uschar *smtp_cmd_argument      = NULL;
1055 uschar *smtp_cmd_buffer        = NULL;
1056 time_t  smtp_connection_start  = 0;
1057 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1058 int     smtp_connect_backlog   = 20;
1059 double  smtp_delay_mail        = 0.0;
1060 double  smtp_delay_rcpt        = 0.0;
1061 BOOL    smtp_enforce_sync      = TRUE;
1062 FILE   *smtp_in                = NULL;
1063 BOOL    smtp_input             = FALSE;
1064 int     smtp_load_reserve      = -1;
1065 int     smtp_mailcmd_count     = 0;
1066 FILE   *smtp_out               = NULL;
1067 uschar *smtp_etrn_command      = NULL;
1068 BOOL    smtp_etrn_serialize    = TRUE;
1069 int     smtp_max_synprot_errors= 3;
1070 int     smtp_max_unknown_commands = 3;
1071 uschar *smtp_ratelimit_hosts   = NULL;
1072 uschar *smtp_ratelimit_mail    = NULL;
1073 uschar *smtp_ratelimit_rcpt    = NULL;
1074 uschar *smtp_read_error        = US"";
1075 int     smtp_receive_timeout   = 5*60;
1076 uschar *smtp_reserve_hosts     = NULL;
1077 BOOL    smtp_return_error_details = FALSE;
1078 int     smtp_rlm_base          = 0;
1079 double  smtp_rlm_factor        = 0.0;
1080 int     smtp_rlm_limit         = 0;
1081 int     smtp_rlm_threshold     = INT_MAX;
1082 int     smtp_rlr_base          = 0;
1083 double  smtp_rlr_factor        = 0.0;
1084 int     smtp_rlr_limit         = 0;
1085 int     smtp_rlr_threshold     = INT_MAX;
1086 BOOL    smtp_use_pipelining    = FALSE;
1087 BOOL    smtp_use_size          = FALSE;
1088
1089 #ifdef WITH_CONTENT_SCAN
1090 uschar *spamd_address          = US"127.0.0.1 783";
1091 uschar *spam_bar               = NULL;
1092 uschar *spam_report            = NULL;
1093 uschar *spam_score             = NULL;
1094 uschar *spam_score_int         = NULL;
1095 #endif
1096 #ifdef EXPERIMENTAL_SPF
1097 uschar *spf_header_comment     = NULL;
1098 uschar *spf_received           = NULL;
1099 uschar *spf_result             = NULL;
1100 uschar *spf_smtp_comment       = NULL;
1101 #endif
1102
1103 BOOL    split_spool_directory  = FALSE;
1104 uschar *spool_directory        = US SPOOL_DIRECTORY
1105                            "\0<--------------Space to patch spool_directory->";
1106 #ifdef EXPERIMENTAL_SRS
1107 uschar *srs_config             = NULL;
1108 uschar *srs_db_address         = NULL;
1109 uschar *srs_db_key             = NULL;
1110 int     srs_hashlength         = 6;
1111 int     srs_hashmin            = -1;
1112 int     srs_maxage             = 31;
1113 uschar *srs_orig_recipient     = NULL;
1114 uschar *srs_orig_sender        = NULL;
1115 uschar *srs_recipient          = NULL;
1116 uschar *srs_secrets            = NULL;
1117 uschar *srs_status             = NULL;
1118 BOOL    srs_usehash            = TRUE;
1119 BOOL    srs_usetimestamp       = TRUE;
1120 #endif
1121 BOOL    strict_acl_vars        = FALSE;
1122 int     string_datestamp_offset= -1;
1123 BOOL    strip_excess_angle_brackets = FALSE;
1124 BOOL    strip_trailing_dot     = FALSE;
1125 uschar *submission_domain      = NULL;
1126 BOOL    submission_mode        = FALSE;
1127 uschar *submission_name        = NULL;
1128 BOOL    suppress_local_fixups  = FALSE;
1129 BOOL    synchronous_delivery   = FALSE;
1130 BOOL    syslog_duplication     = TRUE;
1131 int     syslog_facility        = LOG_MAIL;
1132 uschar *syslog_processname     = US"exim";
1133 BOOL    syslog_timestamp       = TRUE;
1134 uschar *system_filter          = NULL;
1135
1136 uschar *system_filter_directory_transport = NULL;
1137 uschar *system_filter_file_transport = NULL;
1138 uschar *system_filter_pipe_transport = NULL;
1139 uschar *system_filter_reply_transport = NULL;
1140
1141 gid_t   system_filter_gid      = 0;
1142 BOOL    system_filter_gid_set  = FALSE;
1143 uid_t   system_filter_uid      = 0;
1144 BOOL    system_filter_uid_set  = FALSE;
1145 BOOL    system_filtering       = FALSE;
1146
1147 BOOL    tcp_nodelay            = TRUE;
1148 int     thismessage_size_limit = 0;
1149 int     timeout_frozen_after   = 0;
1150 BOOL    timestamps_utc         = FALSE;
1151
1152 transport_instance  *transports = NULL;
1153
1154 transport_instance  transport_defaults = {
1155     NULL,                     /* chain pointer */
1156     NULL,                     /* name */
1157     NULL,                     /* info */
1158     NULL,                     /* private options block pointer */
1159     NULL,                     /* driver name */
1160     NULL,                     /* setup entry point */
1161     1,                        /* batch_max */
1162     NULL,                     /* batch_id */
1163     NULL,                     /* home_dir */
1164     NULL,                     /* current_dir */
1165     TRUE,                     /* multi-domain */
1166     FALSE,                    /* overrides_hosts */
1167     100,                      /* max_addresses */
1168     500,                      /* connection_max_messages */
1169     FALSE,                    /* deliver_as_creator */
1170     FALSE,                    /* disable_logging */
1171     FALSE,                    /* initgroups */
1172     FALSE,                    /* uid_set */
1173     FALSE,                    /* gid_set */
1174     (uid_t)(-1),              /* uid */
1175     (gid_t)(-1),              /* gid */
1176     NULL,                     /* expand_uid */
1177     NULL,                     /* expand_gid */
1178     NULL,                     /* warn_message */
1179     NULL,                     /* shadow */
1180     NULL,                     /* shadow_condition */
1181     NULL,                     /* filter_command */
1182     NULL,                     /* add_headers */
1183     NULL,                     /* remove_headers */
1184     NULL,                     /* return_path */
1185     NULL,                     /* debug_string */
1186     NULL,                     /* message_size_limit */
1187     NULL,                     /* headers_rewrite */
1188     NULL,                     /* rewrite_rules */
1189     0,                        /* rewrite_existflags */
1190     300,                      /* filter_timeout */
1191     FALSE,                    /* body_only */
1192     FALSE,                    /* delivery_date_add */
1193     FALSE,                    /* envelope_to_add */
1194     FALSE,                    /* headers_only */
1195     FALSE,                    /* rcpt_include_affixes */
1196     FALSE,                    /* return_path_add */
1197     FALSE,                    /* return_output */
1198     FALSE,                    /* return_fail_output */
1199     FALSE,                    /* log_output */
1200     FALSE,                    /* log_fail_output */
1201     FALSE,                    /* log_defer_output */
1202     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1203                                  1 nor 0 so can detect unset */
1204 };
1205
1206 int     transport_count;
1207 uschar **transport_filter_argv  = NULL;
1208 int     transport_filter_timeout;
1209 BOOL    transport_filter_timed_out = FALSE;
1210 int     transport_write_timeout= 0;
1211
1212 tree_node  *tree_dns_fails     = NULL;
1213 tree_node  *tree_duplicates    = NULL;
1214 tree_node  *tree_nonrecipients = NULL;
1215 tree_node  *tree_unusable      = NULL;
1216
1217 BOOL    trusted_caller         = FALSE;
1218 gid_t  *trusted_groups         = NULL;
1219 uid_t  *trusted_users          = NULL;
1220 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1221
1222 uschar *unknown_login          = NULL;
1223 uschar *unknown_username       = NULL;
1224 uschar *untrusted_set_sender   = NULL;
1225
1226 /*  A regex for matching a "From_" line in an incoming message, in the form
1227
1228     From ph10 Fri Jan  5 12:35 GMT 1996
1229
1230 which  the "mail" commands send to the MTA (undocumented, of course), or in
1231 the  form
1232
1233     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1234
1235 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1236 Because  of variations in time formats, just match up to the minutes. That
1237 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1238 so  just require one digit for hours and minutes. The weekday is also absent
1239 in  some forms. */
1240
1241 uschar *uucp_from_pattern      = US
1242    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1243    "(?:"                                          /* Non-extracting bracket */
1244    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1245    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1246    ")"                                            /* End alternation */
1247    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1248
1249 uschar *uucp_from_sender       = US"$1";
1250
1251 uschar *warn_message_file      = NULL;
1252 uschar *warnmsg_delay          = NULL;
1253 uschar *warnmsg_recipients     = NULL;
1254 BOOL    write_rejectlog        = TRUE;
1255
1256 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2006";
1257 uschar *version_date           = US"?";
1258 uschar *version_cnumber        = US"????";
1259 uschar *version_string         = US"?";
1260
1261 int     warning_count          = 0;
1262
1263 /*  End of globals.c */