src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.3 2004/10/19 11:04:26 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2004 */
   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_debug_print", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, server_debug_string)) },
  43   { "server_mail_auth_condition", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  45   { "server_set_id", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, set_id)) }
  47 };
  48
  49 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  50
  51 /* An empty host aliases list. */
  52
  53 uschar *no_aliases             = NULL;
  54
  55
  56 /* For comments on these variables, see globals.h. I'm too idle to
  57 duplicate them here... */
  58
  59 #ifdef EXIM_PERL
  60 uschar *opt_perl_startup       = NULL;
  61 BOOL    opt_perl_at_start      = FALSE;
  62 BOOL    opt_perl_started       = FALSE;
  63 #endif
  64
  65 #ifdef LOOKUP_IBASE
  66 uschar *ibase_servers          = NULL;
  67 #endif
  68
  69 #ifdef LOOKUP_LDAP
  70 uschar *eldap_default_servers  = NULL;
  71 int     eldap_version          = -1;
  72 #endif
  73
  74 #ifdef LOOKUP_MYSQL
  75 uschar *mysql_servers          = NULL;
  76 #endif
  77
  78 #ifdef LOOKUP_ORACLE
  79 uschar *oracle_servers         = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_PGSQL
  83 uschar *pgsql_servers          = NULL;
  84 #endif
  85
  86 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  87 BOOL    move_frozen_messages   = FALSE;
  88 #endif
  89
  90 /* These variables are outside the #ifdef because it keeps the code less
  91 cluttered in several places (e.g. during logging) if we can always refer to
  92 them. Also, the tls_ variables are now always visible. */
  93
  94 BOOL    tls_active             = -1;
  95 BOOL    tls_certificate_verified = FALSE;
  96 uschar *tls_cipher             = NULL;
  97 BOOL    tls_on_connect         = FALSE;
  98 uschar *tls_on_connect_ports   = NULL;
  99 uschar *tls_peerdn             = NULL;
 100
 101 #ifdef SUPPORT_TLS
 102 const pcre *regex_STARTTLS     = NULL;
 103 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 104 uschar *tls_certificate        = NULL;
 105 uschar *tls_crl                = NULL;
 106 uschar *tls_dhparam            = NULL;
 107 BOOL    tls_offered            = FALSE;
 108 uschar *tls_privatekey         = NULL;
 109 BOOL    tls_remember_esmtp     = FALSE;
 110 uschar *tls_require_ciphers    = NULL;
 111 uschar *tls_try_verify_hosts   = NULL;
 112 uschar *tls_verify_certificates= NULL;
 113 uschar *tls_verify_hosts       = NULL;
 114 #endif
 115
 116
 117 /* Input-reading functions for messages, so we can use special ones for
 118 incoming TCP/IP. The defaults use stdin. We never need these for any
 119 stand-alone tests. */
 120
 121 #ifndef STAND_ALONE
 122 int (*receive_getc)(void)      = stdin_getc;
 123 int (*receive_ungetc)(int)     = stdin_ungetc;
 124 int (*receive_feof)(void)      = stdin_feof;
 125 int (*receive_ferror)(void)    = stdin_ferror;
 126 #endif
 127
 128
 129 /* List of per-address expansion variables for clearing and saving/restoring
 130 when verifying one address while routing/verifying another. We have to have
 131 the size explicit, because it is referenced from more than one module. */
 132
 133 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 134   &deliver_address_data,
 135   &deliver_domain,
 136   &deliver_domain_data,
 137   &deliver_domain_orig,
 138   &deliver_domain_parent,
 139   &deliver_localpart,
 140   &deliver_localpart_data,
 141   &deliver_localpart_orig,
 142   &deliver_localpart_parent,
 143   &deliver_localpart_prefix,
 144   &deliver_localpart_suffix,
 145   (uschar **)(&deliver_recipients),
 146   &deliver_host,
 147   &deliver_home,
 148   &address_file,
 149   &address_pipe,
 150   &self_hostname,
 151   NULL };
 152
 153 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 154
 155 /* General global variables */
 156
 157 tree_node *acl_anchor          = NULL;
 158 uschar *acl_not_smtp           = NULL;
 159 uschar *acl_smtp_auth          = NULL;
 160 uschar *acl_smtp_connect       = NULL;
 161 uschar *acl_smtp_data          = NULL;
 162 uschar *acl_smtp_etrn          = NULL;
 163 uschar *acl_smtp_expn          = NULL;
 164 uschar *acl_smtp_helo          = NULL;
 165 uschar *acl_smtp_mail          = NULL;
 166 uschar *acl_smtp_mailauth      = NULL;
 167 uschar *acl_smtp_predata       = NULL;
 168 uschar *acl_smtp_quit          = NULL;
 169 uschar *acl_smtp_rcpt          = NULL;
 170 uschar *acl_smtp_starttls      = NULL;
 171 uschar *acl_smtp_vrfy          = NULL;
 172 BOOL    acl_temp_details       = FALSE;
 173 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
 174 uschar *acl_verify_message     = NULL;
 175 header_line *acl_warn_headers  = NULL;
 176 string_item *acl_warn_logged   = NULL;
 177
 178 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 179 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 180
 181 uschar *acl_wherenames[]       = { US"RCPT",
 182                                    US"MAIL",
 183                                    US"PREDATA",
 184                                    US"DATA",
 185                                    US"non-SMTP",
 186                                    US"AUTH",
 187                                    US"connection",
 188                                    US"ETRN",
 189                                    US"EXPN",
 190                                    US"EHLO or HELO",
 191                                    US"MAILAUTH",
 192                                    US"QUIT",
 193                                    US"STARTTLS",
 194                                    US"VRFY"
 195                                  };
 196
 197 int     acl_wherecodes[]       = { 550,     /* RCPT */
 198                                    550,     /* MAIL */
 199                                    550,     /* PREDATA */
 200                                    550,     /* DATA */
 201                                    0,       /* not SMTP; not relevant */
 202                                    503,     /* AUTH */
 203                                    550,     /* connect */
 204                                    458,     /* ETRN */
 205                                    550,     /* EXPN */
 206                                    550,     /* HELO/EHLO */
 207                                    0,       /* MAILAUTH; not relevant */
 208                                    0,       /* QUIT; not relevant */
 209                                    550,     /* STARTTLS */
 210                                    252      /* VRFY */
 211                                  };
 212
 213 BOOL    active_local_from_check = FALSE;
 214 BOOL    active_local_sender_retain = FALSE;
 215 BOOL    accept_8bitmime        = FALSE;
 216 address_item  *addr_duplicate  = NULL;
 217
 218 address_item address_defaults = {
 219   NULL,                 /* next */
 220   NULL,                 /* parent */
 221   NULL,                 /* first */
 222   NULL,                 /* dupof */
 223   NULL,                 /* start_router */
 224   NULL,                 /* router */
 225   NULL,                 /* transport */
 226   NULL,                 /* host_list */
 227   NULL,                 /* host_used */
 228   NULL,                 /* fallback_hosts */
 229   NULL,                 /* reply */
 230   NULL,                 /* retries */
 231   NULL,                 /* address */
 232   NULL,                 /* unique */
 233   NULL,                 /* cc_local_part */
 234   NULL,                 /* lc_local_part */
 235   NULL,                 /* local_part */
 236   NULL,                 /* prefix */
 237   NULL,                 /* suffix */
 238   NULL,                 /* domain */
 239   NULL,                 /* address_retry_key */
 240   NULL,                 /* domain_retry_key */
 241   NULL,                 /* current_dir */
 242   NULL,                 /* home_dir */
 243   NULL,                 /* message */
 244   NULL,                 /* user_message */
 245   NULL,                 /* onetime_parent */
 246   NULL,                 /* pipe_expandn */
 247   NULL,                 /* return_filename */
 248   NULL,                 /* self_hostname */
 249   NULL,                 /* shadow_message */
 250   #ifdef SUPPORT_TLS
 251   NULL,                 /* cipher */
 252   NULL,                 /* peerdn */
 253   #endif
 254   (uid_t)(-1),          /* uid */
 255   (gid_t)(-1),          /* gid */
 256   0,                    /* flags */
 257   { 0 },                /* domain_cache - any larger array should be zeroed */
 258   { 0 },                /* localpart_cache - ditto */
 259   -1,                   /* mode */
 260   0,                    /* more_errno */
 261   ERRNO_UNKNOWNERROR,   /* basic_errno */
 262   0,                    /* child_count */
 263   -1,                   /* return_file */
 264   SPECIAL_NONE,         /* special_action */
 265   DEFER,                /* transport_return */
 266   {                     /* fields that are propagated to children */
 267     NULL,               /* address_data */
 268     NULL,               /* domain_data */
 269     NULL,               /* localpart_data */
 270     NULL,               /* errors_address */
 271     NULL,               /* extra_headers */
 272     NULL,               /* remove_headers */
 273   }
 274 };
 275
 276 uschar *address_file           = NULL;
 277 uschar *address_pipe           = NULL;
 278 BOOL    address_test_mode      = FALSE;
 279 tree_node *addresslist_anchor  = NULL;
 280 int     addresslist_count      = 0;
 281 gid_t  *admin_groups           = NULL;
 282 BOOL    admin_user             = FALSE;
 283 BOOL    allow_domain_literals  = FALSE;
 284 BOOL    allow_mx_to_ip         = FALSE;
 285 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 286 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 287 BOOL    allow_utf8_domains     = FALSE;
 288 uschar *authenticated_id       = NULL;
 289 uschar *authenticated_sender   = NULL;
 290 BOOL    authentication_failed  = FALSE;
 291 auth_instance  *auths          = NULL;
 292 uschar *auth_advertise_hosts   = US"*";
 293 auth_instance auth_defaults    = {
 294     NULL,                      /* chain pointer */
 295     NULL,                      /* name */
 296     NULL,                      /* info */
 297     NULL,                      /* private options block pointer */
 298     NULL,                      /* driver_name */
 299     NULL,                      /* advertise_condition */
 300     NULL,                      /* public_name */
 301     NULL,                      /* set_id */
 302     NULL,                      /* server_mail_auth_condition */
 303     NULL,                      /* server_debug_string */
 304     FALSE,                     /* client */
 305     FALSE,                     /* server */
 306     FALSE                      /* advertised */
 307 };
 308
 309 uschar *auth_defer_msg         = US"reason not recorded";
 310 uschar *auth_defer_user_msg    = US"";
 311 int     auto_thaw              = 0;
 312
 313 BOOL    background_daemon      = TRUE;
 314 uschar *base62_chars=
 315     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 316 uschar *bi_command             = NULL;
 317 uschar *big_buffer             = NULL;
 318 int     big_buffer_size        = BIG_BUFFER_SIZE;
 319 int     body_linecount         = 0;
 320 int     body_zerocount         = 0;
 321 uschar *bounce_message_file    = NULL;
 322 uschar *bounce_message_text    = NULL;
 323 uschar *bounce_recipient       = NULL;
 324 BOOL    bounce_return_body     = TRUE;
 325 BOOL    bounce_return_message  = TRUE;
 326 int     bounce_return_size_limit = 100*1024;
 327 uschar *bounce_sender_authentication = NULL;
 328 int     bsmtp_transaction_linecount = 0;
 329
 330 int     callout_cache_domain_positive_expire = 7*24*60*60;
 331 int     callout_cache_domain_negative_expire = 3*60*60;
 332 int     callout_cache_positive_expire = 24*60*60;
 333 int     callout_cache_negative_expire = 2*60*60;
 334 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 335 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
 336 int     check_log_inodes       = 0;
 337 int     check_log_space        = 0;
 338 int     check_spool_inodes     = 0;
 339 int     check_spool_space      = 0;
 340 int     clmacro_count          = 0;
 341 uschar *clmacros[MAX_CLMACROS];
 342 BOOL    config_changed         = FALSE;
 343 FILE   *config_file            = NULL;
 344 uschar *config_filename        = NULL;
 345 int     config_lineno          = 0;
 346 #ifdef CONFIGURE_GROUP
 347 gid_t   config_gid             = CONFIGURE_GROUP;
 348 #endif
 349 uschar *config_main_filelist   = US CONFIGURE_FILE
 350                          "\0<-----------Space to patch configure_filename->";
 351 uschar *config_main_filename   = NULL;
 352
 353 #ifdef CONFIGURE_OWNER
 354 uid_t   config_uid             = CONFIGURE_OWNER;
 355 #endif
 356
 357 int     connection_max_messages= -1;
 358 uschar *continue_hostname      = NULL;
 359 uschar *continue_host_address  = NULL;
 360 BOOL    continue_more          = FALSE;
 361 int     continue_sequence      = 1;
 362 uschar *continue_transport     = NULL;
 363
 364 BOOL    daemon_listen          = FALSE;
 365 uschar *daemon_smtp_port       = US"smtp";
 366 int     debug_fd               = -1;
 367 FILE   *debug_file             = NULL;
 368 bit_table debug_options[]      = {
 369   { US"acl",            D_acl },
 370   { US"all",            D_all },
 371   { US"auth",           D_auth },
 372   { US"deliver",        D_deliver },
 373   { US"dns",            D_dns },
 374   { US"dnsbl",          D_dnsbl },
 375   { US"exec",           D_exec },
 376   { US"expand",         D_expand },
 377   { US"filter",         D_filter },
 378   { US"hints_lookup",   D_hints_lookup },
 379   { US"host_lookup",    D_host_lookup },
 380   { US"ident",          D_ident },
 381   { US"interface",      D_interface },
 382   { US"lists",          D_lists },
 383   { US"load",           D_load },
 384   { US"local_scan",     D_local_scan },
 385   { US"lookup",         D_lookup },
 386   { US"memory",         D_memory },
 387   { US"pid",            D_pid },
 388   { US"process_info",   D_process_info },
 389   { US"queue_run",      D_queue_run },
 390   { US"receive",        D_receive },
 391   { US"resolver",       D_resolver },
 392   { US"retry",          D_retry },
 393   { US"rewrite",        D_rewrite },
 394   { US"route",          D_route },
 395   { US"timestamp",      D_timestamp },
 396   { US"tls",            D_tls },
 397   { US"transport",      D_transport },
 398   { US"uid",            D_uid },
 399   { US"verify",         D_verify }
 400 };
 401 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 402 unsigned int debug_selector    = 0;
 403 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 404 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
 405 BOOL    delivery_date_remove   = TRUE;
 406 uschar *deliver_address_data   = NULL;
 407 int     deliver_datafile       = -1;
 408 uschar *deliver_domain         = NULL;
 409 uschar *deliver_domain_data    = NULL;
 410 uschar *deliver_domain_orig    = NULL;
 411 uschar *deliver_domain_parent  = NULL;
 412 BOOL    deliver_drop_privilege = FALSE;
 413 BOOL    deliver_firsttime      = FALSE;
 414 BOOL    deliver_force          = FALSE;
 415 BOOL    deliver_freeze         = FALSE;
 416 int     deliver_frozen_at      = 0;
 417 uschar *deliver_home           = NULL;
 418 uschar *deliver_host           = NULL;
 419 uschar *deliver_host_address   = NULL;
 420 uschar *deliver_in_buffer      = NULL;
 421 ino_t   deliver_inode          = 0;
 422 uschar *deliver_localpart      = NULL;
 423 uschar *deliver_localpart_data = NULL;
 424 uschar *deliver_localpart_orig = NULL;
 425 uschar *deliver_localpart_parent = NULL;
 426 uschar *deliver_localpart_prefix = NULL;
 427 uschar *deliver_localpart_suffix = NULL;
 428 BOOL    deliver_force_thaw     = FALSE;
 429 BOOL    deliver_manual_thaw    = FALSE;
 430 uschar *deliver_out_buffer     = NULL;
 431 int     deliver_queue_load_max = -1;
 432 address_item  *deliver_recipients = NULL;
 433 uschar *deliver_selectstring   = NULL;
 434 BOOL    deliver_selectstring_regex = FALSE;
 435 uschar *deliver_selectstring_sender = NULL;
 436 BOOL    deliver_selectstring_sender_regex = FALSE;
 437 BOOL    disable_logging        = FALSE;
 438
 439 uschar *dns_again_means_nonexist = NULL;
 440 uschar *dns_ipv4_lookup        = NULL;
 441 int     dns_retrans            = 0;
 442 int     dns_retry              = 0;
 443 uschar *dnslist_domain         = NULL;
 444 uschar *dnslist_text           = NULL;
 445 uschar *dnslist_value          = NULL;
 446 tree_node *domainlist_anchor   = NULL;
 447 int     domainlist_count       = 0;
 448 BOOL    dont_deliver           = FALSE;
 449 BOOL    dot_ends               = TRUE;
 450 BOOL    drop_cr                = FALSE;         /* No longer used */
 451
 452 BOOL    enable_dollar_recipients = FALSE;
 453 BOOL    envelope_to_remove     = TRUE;
 454 int     errno_quota            = ERRNO_QUOTA;
 455 uschar *errors_copy            = NULL;
 456 int     error_handling         = ERRORS_SENDER;
 457 uschar *errors_reply_to        = NULL;
 458 int     errors_sender_rc       = EXIT_FAILURE;
 459
 460 gid_t   exim_gid               = EXIM_GID;
 461 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 462 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 463                         "\0<---------------Space to patch exim_path->";
 464 uid_t   exim_uid               = EXIM_UID;
 465 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 466 int     expand_forbid          = 0;
 467 int     expand_nlength[EXPAND_MAXN+1];
 468 int     expand_nmax            = -1;
 469 uschar *expand_nstring[EXPAND_MAXN+1];
 470 BOOL    expand_string_forcedfail = FALSE;
 471 uschar *expand_string_message;
 472 BOOL    extract_addresses_remove_arguments = TRUE;
 473 uschar *extra_local_interfaces = NULL;
 474
 475 int     filter_n[FILTER_VARIABLE_COUNT];
 476 BOOL    filter_running         = FALSE;
 477 int     filter_sn[FILTER_VARIABLE_COUNT];
 478 uschar *filter_test            = NULL;
 479 uschar *filter_thisaddress     = NULL;
 480 int     finduser_retries       = 0;
 481 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 482 uschar *freeze_tell            = NULL;
 483 uschar *fudged_queue_times     = US"";
 484
 485 uschar *gecos_name             = NULL;
 486 uschar *gecos_pattern          = NULL;
 487 rewrite_rule  *global_rewrite_rules = NULL;
 488
 489 uschar *headers_charset        = US HEADERS_CHARSET;
 490 int     header_insert_maxlen   = 64 * 1024;
 491 header_line  *header_last      = NULL;
 492 header_line  *header_list      = NULL;
 493 int     header_maxsize         = HEADER_MAXSIZE;
 494 int     header_line_maxsize    = 0;
 495
 496 header_name header_names[] = {
 497   { US"bcc",            3, TRUE,  htype_bcc },
 498   { US"cc",             2, TRUE,  htype_cc },
 499   { US"date",           4, TRUE,  htype_date },
 500   { US"delivery-date", 13, FALSE, htype_delivery_date },
 501   { US"envelope-to",   11, FALSE, htype_envelope_to },
 502   { US"from",           4, TRUE,  htype_from },
 503   { US"message-id",    10, TRUE,  htype_id },
 504   { US"received",       8, FALSE, htype_received },
 505   { US"reply-to",       8, FALSE, htype_reply_to },
 506   { US"return-path",   11, FALSE, htype_return_path },
 507   { US"sender",         6, TRUE,  htype_sender },
 508   { US"subject",        7, FALSE, htype_subject },
 509   { US"to",             2, TRUE,  htype_to }
 510 };
 511
 512 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 513
 514 BOOL    header_rewritten       = FALSE;
 515 uschar *helo_accept_junk_hosts = NULL;
 516 uschar *helo_allow_chars       = US"";
 517 uschar *helo_lookup_domains    = US"@ : @[]";
 518 uschar *helo_try_verify_hosts  = NULL;
 519 BOOL    helo_verified          = FALSE;
 520 uschar *helo_verify_hosts      = NULL;
 521 uschar *hex_digits             = US"0123456789abcdef";
 522 uschar *hold_domains           = NULL;
 523 BOOL    host_checking          = FALSE;
 524 BOOL    host_checking_callout  = FALSE;
 525 uschar *host_data              = NULL;
 526 BOOL    host_find_failed_syntax= FALSE;
 527 uschar *host_lookup            = NULL;
 528 BOOL    host_lookup_failed     = FALSE;
 529 uschar *host_lookup_order      = US"bydns:byaddr";
 530 uschar *host_lookup_msg        = US"";
 531 int     host_number            = 0;
 532 uschar *host_number_string     = NULL;
 533 uschar *host_reject_connection = NULL;
 534 tree_node *hostlist_anchor     = NULL;
 535 int     hostlist_count         = 0;
 536 uschar *hosts_treat_as_local   = NULL;
 537 uschar *hosts_connection_nolog = NULL;
 538
 539 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 540 BOOL    ignore_fromline_local  = FALSE;
 541 uschar *ignore_fromline_hosts  = NULL;
 542 uschar *interface_address      = NULL;
 543 int     interface_port         = -1;
 544 BOOL    is_inetd               = FALSE;
 545
 546 int     journal_fd             = -1;
 547
 548 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 549
 550 uschar *eldap_dn               = NULL;
 551 int     load_average           = -2;
 552 BOOL    local_error_message    = FALSE;
 553 BOOL    local_from_check       = TRUE;
 554 uschar *local_from_prefix      = NULL;
 555 uschar *local_from_suffix      = NULL;
 556
 557 #if HAVE_IPV6
 558 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 559 #else
 560 uschar *local_interfaces       = US"0.0.0.0";
 561 #endif
 562
 563 uschar *local_scan_data        = NULL;
 564 int     local_scan_timeout     = 5*60;
 565 BOOL    local_sender_retain    = FALSE;
 566 gid_t   local_user_gid         = (gid_t)(-1);
 567 uid_t   local_user_uid         = (uid_t)(-1);
 568
 569 tree_node *localpartlist_anchor= NULL;
 570 int     localpartlist_count    = 0;
 571 uschar *log_buffer             = NULL;
 572 unsigned int log_extra_selector = LX_default;
 573 uschar *log_file_path          = US LOG_FILE_PATH
 574                            "\0<--------------Space to patch log_file_path->";
 575
 576 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 577 are the ones that get put into log_write_selector. They can be used in calls to
 578 log_write() to test for the bit. The options with LX_xxx identifiers have
 579 values greater than 0x80000000 and are put int log_extra_selector (without the
 580 top bit). They are never used in calls to log_write(), but are tested
 581 independently. This separation became necessary when the number of log
 582 selectors was getting close to filling a 32-bit word. */
 583
 584 bit_table log_options[]        = {
 585   { US"address_rewrite",              L_address_rewrite },
 586   { US"all",                          L_all },
 587   { US"all_parents",                  L_all_parents },
 588   { US"arguments",                    LX_arguments },
 589   { US"connection_reject",            L_connection_reject },
 590   { US"delay_delivery",               L_delay_delivery },
 591   { US"deliver_time",                 LX_deliver_time },
 592   { US"delivery_size",                LX_delivery_size },
 593   { US"dnslist_defer",                L_dnslist_defer },
 594   { US"etrn",                         L_etrn },
 595   { US"host_lookup_failed",           L_host_lookup_failed },
 596   { US"ident_timeout",                LX_ident_timeout },
 597   { US"incoming_interface",           LX_incoming_interface },
 598   { US"incoming_port",                LX_incoming_port },
 599   { US"lost_incoming_connection",     L_lost_incoming_connection },
 600   { US"outgoing_port",                LX_outgoing_port },
 601   { US"queue_run",                    L_queue_run },
 602   { US"queue_time",                   LX_queue_time },
 603   { US"received_recipients",          LX_received_recipients },
 604   { US"received_sender",              LX_received_sender },
 605   { US"rejected_header",              LX_rejected_header },
 606   { US"rejected_headers",             LX_rejected_header },
 607   { US"retry_defer",                  L_retry_defer },
 608   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 609   { US"sender_on_delivery",           LX_sender_on_delivery },
 610   { US"size_reject",                  L_size_reject },
 611   { US"skip_delivery",                L_skip_delivery },
 612   { US"smtp_confirmation",            LX_smtp_confirmation },
 613   { US"smtp_connection",              L_smtp_connection },
 614   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 615   { US"smtp_protocol_error",          L_smtp_protocol_error },
 616   { US"smtp_syntax_error",            L_smtp_syntax_error },
 617   { US"subject",                      LX_subject },
 618   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 619   { US"tls_cipher",                   LX_tls_cipher },
 620   { US"tls_peerdn",                   LX_tls_peerdn }
 621 };
 622
 623 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 624 unsigned int log_write_selector= L_default;
 625 uschar *log_selector_string    = NULL;
 626 FILE   *log_stderr             = NULL;
 627 BOOL    log_testing_mode       = FALSE;
 628 BOOL    log_timezone           = FALSE;
 629 uschar *login_sender_address   = NULL;
 630 int     lookup_open_max        = 25;
 631 uschar *lookup_value           = NULL;
 632
 633 macro_item  *macros            = NULL;
 634 uschar *mailstore_basename     = NULL;
 635 int     max_username_length    = 0;
 636 int     message_age            = 0;
 637 uschar *message_body           = NULL;
 638 uschar *message_body_end       = NULL;
 639 int     message_body_size      = 0;
 640 int     message_body_visible   = 500;
 641 int     message_ended          = END_NOTSTARTED;
 642 uschar *message_headers        = NULL;
 643 uschar *message_id;
 644 uschar *message_id_domain      = NULL;
 645 uschar *message_id_text        = NULL;
 646 struct timeval message_id_tv   = { 0, 0 };
 647 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 648 uschar *message_id_external;
 649 int     message_linecount      = 0;
 650 BOOL    message_logs           = TRUE;
 651 int     message_size           = 0;
 652 uschar *message_size_limit     = US"50M";
 653 uschar  message_subdir[2]      = { 0, 0 };
 654 uschar *message_reference      = NULL;
 655 BOOL    mua_wrapper            = FALSE;
 656
 657 uid_t  *never_users            = NULL;
 658 BOOL    no_multiline_responses = FALSE;
 659
 660 uid_t   original_euid;
 661 gid_t   originator_gid;
 662 uschar *originator_login       = NULL;
 663 uschar *originator_name        = NULL;
 664 uid_t   originator_uid;
 665 uschar *override_local_interfaces = NULL;
 666 uschar *override_pid_file_path = NULL;
 667
 668 BOOL    parse_allow_group      = FALSE;
 669 BOOL    parse_found_group      = FALSE;
 670 uschar *percent_hack_domains   = NULL;
 671 uschar *pid_file_path          = US PID_FILE_PATH
 672                            "\0<--------------Space to patch pid_file_path->";
 673 uschar *pipelining_advertise_hosts = US"*";
 674 BOOL    preserve_message_logs  = FALSE;
 675 uschar *primary_hostname       = NULL;
 676 BOOL    print_topbitchars      = FALSE;
 677 uschar  process_info[PROCESS_INFO_SIZE];
 678 uschar *process_log_path       = NULL;
 679 BOOL    prod_requires_admin    = TRUE;
 680
 681 uschar *qualify_domain_recipient = NULL;
 682 uschar *qualify_domain_sender  = NULL;
 683 BOOL    queue_2stage           = FALSE;
 684 uschar *queue_domains          = NULL;
 685 int     queue_interval         = -1;
 686 BOOL    queue_list_requires_admin = TRUE;
 687 BOOL    queue_only             = FALSE;
 688 uschar *queue_only_file        = NULL;
 689 int     queue_only_load        = -1;
 690 BOOL    queue_only_override    = TRUE;
 691 BOOL    queue_only_policy      = FALSE;
 692 BOOL    queue_run_first_delivery = FALSE;
 693 BOOL    queue_run_force        = FALSE;
 694 BOOL    queue_run_in_order     = FALSE;
 695 BOOL    queue_run_local        = FALSE;
 696 int     queue_run_max          = 5;
 697 pid_t   queue_run_pid          = (pid_t)0;
 698 int     queue_run_pipe         = -1;
 699 BOOL    queue_running          = FALSE;
 700 BOOL    queue_smtp             = FALSE;
 701 uschar *queue_smtp_domains     = NULL;
 702
 703 unsigned int random_seed       = 0;
 704 uschar *raw_active_hostname    = NULL;
 705 uschar *raw_sender             = NULL;
 706 uschar **raw_recipients        = NULL;
 707 int     raw_recipients_count   = 0;
 708
 709 int     rcpt_count             = 0;
 710 int     rcpt_fail_count        = 0;
 711 int     rcpt_defer_count       = 0;
 712 gid_t   real_gid;
 713 uid_t   real_uid;
 714 BOOL    really_exim            = TRUE;
 715 BOOL    receive_call_bombout   = FALSE;
 716 int     receive_linecount      = 0;
 717 int     receive_messagecount   = 0;
 718 int     receive_timeout        = 0;
 719 int     received_count         = 0;
 720 uschar *received_for           = NULL;
 721
 722 /*  This is the default text for Received headers generated by Exim. The
 723 date  will be automatically added on the end. */
 724
 725 uschar *received_header_text   = US
 726      "Received: "
 727      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 728      "{${if def:sender_ident {from $sender_ident }}"
 729      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 730      "by $primary_hostname "
 731      "${if def:received_protocol {with $received_protocol}} "
 732      #ifdef SUPPORT_TLS
 733      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 734      #endif
 735      "(Exim $version_number)\n\t"
 736      "id $message_id"
 737      "${if def:received_for {\n\tfor $received_for}}"
 738      "\0<---------------Space to patch received_header_text->";
 739
 740 int     received_headers_max   = 30;
 741 uschar *received_protocol      = NULL;
 742 int     received_time          = 0;
 743 uschar *recipient_data         = NULL;
 744 uschar *recipient_unqualified_hosts = NULL;
 745 int     recipients_count       = 0;
 746 BOOL    recipients_discarded   = FALSE;
 747 recipient_item  *recipients_list = NULL;
 748 int     recipients_list_max    = 0;
 749 int     recipients_max         = 0;
 750 BOOL    recipients_max_reject  = FALSE;
 751 const pcre *regex_AUTH         = NULL;
 752 const pcre *regex_check_dns_names = NULL;
 753 const pcre *regex_From         = NULL;
 754 const pcre *regex_PIPELINING   = NULL;
 755 const pcre *regex_SIZE         = NULL;
 756 const pcre *regex_ismsgid      = NULL;
 757 int     remote_delivery_count  = 0;
 758 int     remote_max_parallel    = 2;
 759 uschar *remote_sort_domains    = NULL;
 760 int     retry_data_expire      = 7*24*60*60;
 761 int     retry_interval_max     = 24*60*60;
 762 int     retry_maximum_timeout  = 0;        /* set from retry config */
 763 retry_config  *retries         = NULL;
 764 uschar *return_path            = NULL;
 765 BOOL    return_path_remove     = TRUE;
 766 int     rewrite_existflags     = 0;
 767 uschar *rfc1413_hosts          = US"*";
 768 int     rfc1413_query_timeout  = 30;
 769 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 770 uid_t   root_uid               = ROOT_UID;
 771
 772 router_instance  *routers  = NULL;
 773 router_instance  router_defaults = {
 774     NULL,                      /* chain pointer */
 775     NULL,                      /* name */
 776     NULL,                      /* info */
 777     NULL,                      /* private options block pointer */
 778     NULL,                      /* driver name */
 779
 780     NULL,                      /* address_data */
 781     NULL,                      /* cannot_route_message */
 782     NULL,                      /* condition */
 783     NULL,                      /* current_directory */
 784     NULL,                      /* debug_string */
 785     NULL,                      /* domains */
 786     NULL,                      /* errors_to */
 787     NULL,                      /* expand_gid */
 788     NULL,                      /* expand_uid */
 789     NULL,                      /* expand_more */
 790     NULL,                      /* expand_unseen */
 791     NULL,                      /* extra_headers */
 792     NULL,                      /* fallback_hosts */
 793     NULL,                      /* home_directory */
 794     NULL,                      /* ignore_target_hosts */
 795     NULL,                      /* local_parts */
 796     NULL,                      /* pass_router_name */
 797     NULL,                      /* prefix */
 798     NULL,                      /* redirect_router_name */
 799     NULL,                      /* remove_headers */
 800     NULL,                      /* require_files */
 801     NULL,                      /* router_home_directory */
 802     US"freeze",                /* self */
 803     NULL,                      /* senders */
 804     NULL,                      /* suffix */
 805     NULL,                      /* translate_ip_address */
 806     NULL,                      /* transport_name */
 807
 808     TRUE,                      /* address_test */
 809     TRUE,                      /* expn */
 810     FALSE,                     /* caseful_local_part */
 811     FALSE,                     /* check_local_user */
 812     FALSE,                     /* disable_logging */
 813     FALSE,                     /* fail_verify_recipient */
 814     FALSE,                     /* fail_verify_sender */
 815     FALSE,                     /* gid_set */
 816     FALSE,                     /* initgroups */
 817     TRUE_UNSET,                /* log_as_local */
 818     TRUE,                      /* more */
 819     FALSE,                     /* pass_on_timeout */
 820     FALSE,                     /* prefix_optional */
 821     TRUE,                      /* repeat_use */
 822     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 823     FALSE,                     /* same_domain_copy_routing */
 824     FALSE,                     /* self_rewrite */
 825     FALSE,                     /* suffix_optional */
 826     FALSE,                     /* verify_only */
 827     TRUE,                      /* verify_recipient */
 828     TRUE,                      /* verify_sender */
 829     FALSE,                     /* uid_set */
 830     FALSE,                     /* unseen */
 831
 832     self_freeze,               /* self_code */
 833     (uid_t)(-1),               /* uid */
 834     (gid_t)(-1),               /* gid */
 835
 836     NULL,                      /* fallback_hostlist */
 837     NULL,                      /* transport instance */
 838     NULL,                      /* pass_router */
 839     NULL                       /* redirect_router */
 840 };
 841
 842 ip_address_item *running_interfaces = NULL;
 843 BOOL    running_in_test_harness = FALSE;
 844
 845 /* This is a weird one. The following string gets patched in the binary by the
 846 script that sets up a copy of Exim for running in the test harness. It seems
 847 that compilers are now clever, and share constant strings if they can.
 848 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 849 make use of the end of this string in order to save space. So the patching then
 850 wrecks this. We default this optimization by adding some additional characters
 851 onto the end of the string. */
 852
 853 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 854
 855 int     runrc                  = 0;
 856
 857 uschar *search_error_message   = NULL;
 858 BOOL    search_find_defer      = FALSE;
 859 uschar *self_hostname          = NULL;
 860 uschar *sender_address         = NULL;
 861 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
 862 BOOL    sender_address_forced  = FALSE;
 863 uschar *sender_address_unrewritten = NULL;
 864 uschar *sender_data            = NULL;
 865 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
 866 uschar *sender_fullhost        = NULL;
 867 uschar *sender_helo_name       = NULL;
 868 uschar **sender_host_aliases   = &no_aliases;
 869 uschar *sender_host_address    = NULL;
 870 uschar *sender_host_authenticated = NULL;
 871 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
 872 uschar *sender_host_name       = NULL;
 873 int     sender_host_port       = 0;
 874 BOOL    sender_host_notsocket  = FALSE;
 875 BOOL    sender_host_unknown    = FALSE;
 876 uschar *sender_ident           = NULL;
 877 BOOL    sender_local           = FALSE;
 878 uschar *sender_rcvhost         = NULL;
 879 BOOL    sender_set_untrusted   = FALSE;
 880 uschar *sender_unqualified_hosts = NULL;
 881 address_item *sender_verified_list  = NULL;
 882 address_item *sender_verified_failed = NULL;
 883 int     sender_verified_rc     = -1;
 884 BOOL    sender_verified_responded = FALSE;
 885 volatile  BOOL sigalrm_seen    = FALSE;
 886 uschar **sighup_argv           = NULL;
 887 int     smtp_accept_count      = 0;
 888 BOOL    smtp_accept_keepalive  = TRUE;
 889 int     smtp_accept_max        = 20;
 890 int     smtp_accept_max_nonmail= 10;
 891 uschar *smtp_accept_max_nonmail_hosts = US"*";
 892 int     smtp_accept_max_per_connection = 1000;
 893 uschar *smtp_accept_max_per_host = NULL;
 894 int     smtp_accept_queue      = 0;
 895 int     smtp_accept_queue_per_connection = 10;
 896 int     smtp_accept_reserve    = 0;
 897 uschar *smtp_active_hostname   = NULL;
 898 BOOL    smtp_authenticated     = FALSE;
 899 uschar *smtp_banner            = US"$primary_hostname ESMTP "
 900                              "Exim $version_number $tod_full"
 901                              "\0<---------------Space to patch smtp_banner->";
 902 BOOL    smtp_batched_input     = FALSE;
 903 BOOL    smtp_check_spool_space = TRUE;
 904 uschar *smtp_command_argument  = NULL;
 905 int     smtp_connect_backlog   = 20;
 906 double  smtp_delay_mail        = 0.0;
 907 double  smtp_delay_rcpt        = 0.0;
 908 BOOL    smtp_enforce_sync      = TRUE;
 909 FILE   *smtp_in                = NULL;
 910 BOOL    smtp_input             = FALSE;
 911 int     smtp_load_reserve      = -1;
 912 int     smtp_mailcmd_count     = 0;
 913 FILE   *smtp_out               = NULL;
 914 uschar *smtp_etrn_command      = NULL;
 915 BOOL    smtp_etrn_serialize    = TRUE;
 916 int     smtp_max_synprot_errors= 3;
 917 int     smtp_max_unknown_commands = 3;
 918 uschar *smtp_ratelimit_hosts   = NULL;
 919 uschar *smtp_ratelimit_mail    = NULL;
 920 uschar *smtp_ratelimit_rcpt    = NULL;
 921 uschar *smtp_read_error        = US"";
 922 int     smtp_receive_timeout   = 5*60;
 923 uschar *smtp_reserve_hosts     = NULL;
 924 BOOL    smtp_return_error_details = FALSE;
 925 int     smtp_rlm_base          = 0;
 926 double  smtp_rlm_factor        = 0.0;
 927 int     smtp_rlm_limit         = 0;
 928 int     smtp_rlm_threshold     = INT_MAX;
 929 int     smtp_rlr_base          = 0;
 930 double  smtp_rlr_factor        = 0.0;
 931 int     smtp_rlr_limit         = 0;
 932 int     smtp_rlr_threshold     = INT_MAX;
 933 BOOL    smtp_use_pipelining    = FALSE;
 934 BOOL    smtp_use_size          = FALSE;
 935 BOOL    split_spool_directory  = FALSE;
 936 uschar *spool_directory        = US SPOOL_DIRECTORY
 937                            "\0<--------------Space to patch spool_directory->";
 938 int     string_datestamp_offset= -1;
 939 BOOL    strip_excess_angle_brackets = FALSE;
 940 BOOL    strip_trailing_dot     = FALSE;
 941 uschar *submission_domain      = NULL;
 942 BOOL    submission_mode        = FALSE;
 943 BOOL    synchronous_delivery   = FALSE;
 944 BOOL    syslog_duplication     = TRUE;
 945 int     syslog_facility        = LOG_MAIL;
 946 uschar *syslog_processname     = US"exim";
 947 BOOL    syslog_timestamp       = TRUE;
 948 uschar *system_filter          = NULL;
 949
 950 uschar *system_filter_directory_transport = NULL;
 951 uschar *system_filter_file_transport = NULL;
 952 uschar *system_filter_pipe_transport = NULL;
 953 uschar *system_filter_reply_transport = NULL;
 954
 955 gid_t   system_filter_gid      = 0;
 956 BOOL    system_filter_gid_set  = FALSE;
 957 uid_t   system_filter_uid      = 0;
 958 BOOL    system_filter_uid_set  = FALSE;
 959 BOOL    system_filtering       = FALSE;
 960
 961 BOOL    tcp_nodelay            = TRUE;
 962 int     thismessage_size_limit = 0;
 963 int     timeout_frozen_after   = 0;
 964 BOOL    timestamps_utc         = FALSE;
 965
 966 transport_instance  *transports = NULL;
 967
 968 transport_instance  transport_defaults = {
 969     NULL,                     /* chain pointer */
 970     NULL,                     /* name */
 971     NULL,                     /* info */
 972     NULL,                     /* private options block pointer */
 973     NULL,                     /* driver name */
 974     NULL,                     /* setup entry point */
 975     1,                        /* batch_max */
 976     NULL,                     /* batch_id */
 977     NULL,                     /* home_dir */
 978     NULL,                     /* current_dir */
 979     TRUE,                     /* multi-domain */
 980     FALSE,                    /* overrides_hosts */
 981     100,                      /* max_addresses */
 982     500,                      /* connection_max_messages */
 983     FALSE,                    /* deliver_as_creator */
 984     FALSE,                    /* disable_logging */
 985     FALSE,                    /* initgroups */
 986     FALSE,                    /* uid_set */
 987     FALSE,                    /* gid_set */
 988     (uid_t)(-1),              /* uid */
 989     (gid_t)(-1),              /* gid */
 990     NULL,                     /* expand_uid */
 991     NULL,                     /* expand_gid */
 992     NULL,                     /* warn_message */
 993     NULL,                     /* shadow */
 994     NULL,                     /* shadow_condition */
 995     NULL,                     /* filter_command */
 996     NULL,                     /* add_headers */
 997     NULL,                     /* remove_headers */
 998     NULL,                     /* return_path */
 999     NULL,                     /* debug_string */
1000     NULL,                     /* message_size_limit */
1001     NULL,                     /* headers_rewrite */
1002     NULL,                     /* rewrite_rules */
1003     0,                        /* rewrite_existflags */
1004     300,                      /* filter_timeout */
1005     FALSE,                    /* body_only */
1006     FALSE,                    /* delivery_date_add */
1007     FALSE,                    /* envelope_to_add */
1008     FALSE,                    /* headers_only */
1009     FALSE,                    /* rcpt_include_affixes */
1010     FALSE,                    /* return_path_add */
1011     FALSE,                    /* return_output */
1012     FALSE,                    /* return_fail_output */
1013     FALSE,                    /* log_output */
1014     FALSE,                    /* log_fail_output */
1015     FALSE,                    /* log_defer_output */
1016     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1017                                  1 nor 0 so can detect unset */
1018 };
1019
1020 int     transport_count;
1021 uschar **transport_filter_argv  = NULL;
1022 int     transport_filter_timeout;
1023 int     transport_write_timeout= 0;
1024
1025 tree_node  *tree_dns_fails     = NULL;
1026 tree_node  *tree_duplicates    = NULL;
1027 tree_node  *tree_nonrecipients = NULL;
1028 tree_node  *tree_unusable      = NULL;
1029
1030 BOOL    trusted_caller         = FALSE;
1031 gid_t  *trusted_groups         = NULL;
1032 uid_t  *trusted_users          = NULL;
1033 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1034
1035 uschar *unknown_login          = NULL;
1036 uschar *unknown_username       = NULL;
1037 uschar *untrusted_set_sender   = NULL;
1038
1039 /*  A regex for matching a "From_" line in an incoming message, in the form
1040
1041     From ph10 Fri Jan  5 12:35 GMT 1996
1042
1043 which  the "mail" commands send to the MTA (undocumented, of course), or in
1044 the  form
1045
1046     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1047
1048 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1049 Because  of variations in time formats, just match up to the minutes. That
1050 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1051 so  just require one digit for hours and minutes. The weekday is also absent
1052 in  some forms. */
1053
1054 uschar *uucp_from_pattern      = US
1055    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1056    "(?:"                                          /* Non-extracting bracket */
1057    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1058    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1059    ")"                                            /* End alternation */
1060    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1061
1062 uschar *uucp_from_sender       = US"$1";
1063
1064 uschar *warn_message_file      = NULL;
1065 uschar *warnmsg_delay          = NULL;
1066 uschar *warnmsg_recipients     = NULL;
1067 BOOL    write_rejectlog        = TRUE;
1068
1069 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2004";
1070 uschar *version_date           = US"?";
1071 uschar *version_cnumber        = US"????";
1072 uschar *version_string         = US"?";
1073
1074 int     warning_count          = 0;
1075
1076 /*  End of globals.c */