src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2018 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* All the global variables are defined together in this one module, so
   9 that they are easy to find. */
  10
  11 #include "exim.h"
  12
  13
  14 /* Generic options for auths, all of which live inside auth_instance
  15 data blocks and hence have the opt_public flag set. */
  16
  17 optionlist optionlist_auths[] = {
  18   { "client_condition", opt_stringptr | opt_public,
  19                  OPT_OFF(auth_instance, client_condition) },
  20   { "client_set_id", opt_stringptr | opt_public,
  21                  OPT_OFF(auth_instance, set_client_id) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  OPT_OFF(auth_instance, driver_name) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  OPT_OFF(auth_instance, public_name) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  OPT_OFF(auth_instance, advertise_condition)},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  OPT_OFF(auth_instance, server_condition) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  OPT_OFF(auth_instance, server_debug_string) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  OPT_OFF(auth_instance, mail_auth_condition) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  OPT_OFF(auth_instance, set_id) }
  36 };
  37
  38 int     optionlist_auths_size = nelem(optionlist_auths);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 BOOL    opt_perl_taintmode     = FALSE;
  53 #endif
  54
  55 #ifdef EXPAND_DLFUNC
  56 tree_node *dlobj_anchor        = NULL;
  57 #endif
  58
  59 #ifdef LOOKUP_IBASE
  60 uschar *ibase_servers          = NULL;
  61 #endif
  62
  63 #ifdef LOOKUP_LDAP
  64 uschar *eldap_ca_cert_dir      = NULL;
  65 uschar *eldap_ca_cert_file     = NULL;
  66 uschar *eldap_cert_file        = NULL;
  67 uschar *eldap_cert_key         = NULL;
  68 uschar *eldap_cipher_suite     = NULL;
  69 uschar *eldap_default_servers  = NULL;
  70 uschar *eldap_require_cert     = NULL;
  71 int     eldap_version          = -1;
  72 BOOL    eldap_start_tls        = FALSE;
  73 #endif
  74
  75 #ifdef LOOKUP_MYSQL
  76 uschar *mysql_servers          = NULL;
  77 #endif
  78
  79 #ifdef LOOKUP_ORACLE
  80 uschar *oracle_servers         = NULL;
  81 #endif
  82
  83 #ifdef LOOKUP_PGSQL
  84 uschar *pgsql_servers          = NULL;
  85 #endif
  86
  87 #ifdef LOOKUP_REDIS
  88 uschar *redis_servers          = NULL;
  89 #endif
  90
  91 #ifdef LOOKUP_SQLITE
  92 int     sqlite_lock_timeout    = 5;
  93 #endif
  94
  95 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  96 BOOL    move_frozen_messages   = FALSE;
  97 #endif
  98
  99 /* These variables are outside the #ifdef because it keeps the code less
 100 cluttered in several places (e.g. during logging) if we can always refer to
 101 them. Also, the tls_ variables are now always visible.  Note that these are
 102 only used for smtp connections, not for service-daemon access. */
 103
 104 tls_support tls_in = {
 105  .active =              {.sock = -1}
 106  /* all other elements zero */
 107 };
 108 tls_support tls_out = {
 109  .active =              {.sock = -1},
 110  /* all other elements zero */
 111 };
 112
 113 uschar *dsn_envid              = NULL;
 114 int     dsn_ret                = 0;
 115 const pcre  *regex_DSN         = NULL;
 116 uschar *dsn_advertise_hosts    = NULL;
 117
 118 #ifndef DISABLE_TLS
 119 BOOL    gnutls_compat_mode     = FALSE;
 120 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 121 uschar *openssl_options        = NULL;
 122 const pcre *regex_STARTTLS     = NULL;
 123 uschar *tls_advertise_hosts    = US"*";
 124 uschar *tls_certificate        = NULL;
 125 uschar *tls_crl                = NULL;
 126 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 127 that's the interop problem which has been observed: GnuTLS suggesting a higher
 128 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 129 int     tls_dh_max_bits        = 2236;
 130 uschar *tls_dhparam            = NULL;
 131 uschar *tls_eccurve            = US"auto";
 132 # ifndef DISABLE_OCSP
 133 uschar *tls_ocsp_file          = NULL;
 134 # endif
 135 uschar *tls_privatekey         = NULL;
 136 BOOL    tls_remember_esmtp     = FALSE;
 137 uschar *tls_require_ciphers    = NULL;
 138 # ifdef EXPERIMENTAL_TLS_RESUME
 139 uschar *tls_resumption_hosts   = NULL;
 140 # endif
 141 uschar *tls_try_verify_hosts   = NULL;
 142 uschar *tls_verify_certificates= US"system";
 143 uschar *tls_verify_hosts       = NULL;
 144 #else   /*DISABLE_TLS*/
 145 uschar *tls_advertise_hosts    = NULL;
 146 #endif
 147
 148 #ifndef DISABLE_PRDR
 149 /* Per Recipient Data Response variables */
 150 BOOL    prdr_enable            = FALSE;
 151 BOOL    prdr_requested         = FALSE;
 152 const pcre *regex_PRDR         = NULL;
 153 #endif
 154
 155 #ifdef SUPPORT_I18N
 156 const pcre *regex_UTF8         = NULL;
 157 #endif
 158
 159 /* Input-reading functions for messages, so we can use special ones for
 160 incoming TCP/IP. The defaults use stdin. We never need these for any
 161 stand-alone tests. */
 162
 163 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
 164 int (*lwr_receive_getc)(unsigned) = stdin_getc;
 165 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
 166 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
 167 int (*receive_getc)(unsigned)  = stdin_getc;
 168 uschar * (*receive_getbuf)(unsigned *)  = NULL;
 169 void (*receive_get_cache)(void)= NULL;
 170 int (*receive_ungetc)(int)     = stdin_ungetc;
 171 int (*receive_feof)(void)      = stdin_feof;
 172 int (*receive_ferror)(void)    = stdin_ferror;
 173 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 174 #endif
 175
 176
 177 /* List of per-address expansion variables for clearing and saving/restoring
 178 when verifying one address while routing/verifying another. We have to have
 179 the size explicit, because it is referenced from more than one module. */
 180
 181 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 182   CUSS &deliver_address_data,
 183   CUSS &deliver_domain,
 184   CUSS &deliver_domain_data,
 185   CUSS &deliver_domain_orig,
 186   CUSS &deliver_domain_parent,
 187   CUSS &deliver_localpart,
 188   CUSS &deliver_localpart_data,
 189   CUSS &deliver_localpart_orig,
 190   CUSS &deliver_localpart_parent,
 191   CUSS &deliver_localpart_prefix,
 192   CUSS &deliver_localpart_suffix,
 193   CUSS (uschar **)(&deliver_recipients),
 194   CUSS &deliver_host,
 195   CUSS &deliver_home,
 196   CUSS &address_file,
 197   CUSS &address_pipe,
 198   CUSS &self_hostname,
 199   NULL };
 200
 201 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 202
 203 /******************************************************************************/
 204 /* General global variables.  Boolean flags are done as a group
 205 so that only one bit each is needed, packed, for all those we never
 206 need to take a pointer - and only a char for the rest.
 207 This means a struct, unfortunately since it clutters the sourcecode. */
 208
 209 struct global_flags f =
 210 {
 211         .acl_temp_details       = FALSE,
 212         .active_local_from_check = FALSE,
 213         .active_local_sender_retain = FALSE,
 214         .address_test_mode      = FALSE,
 215         .admin_user             = FALSE,
 216         .allow_auth_unadvertised= FALSE,
 217         .allow_unqualified_recipient = TRUE,    /* For local messages */
 218         .allow_unqualified_sender = TRUE,       /* Reset for SMTP */
 219         .authentication_local   = FALSE,
 220
 221         .background_daemon      = TRUE,
 222
 223         .chunking_offered       = FALSE,
 224         .config_changed         = FALSE,
 225         .continue_more          = FALSE,
 226
 227         .daemon_listen          = FALSE,
 228         .debug_daemon           = FALSE,
 229         .deliver_firsttime      = FALSE,
 230         .deliver_force          = FALSE,
 231         .deliver_freeze         = FALSE,
 232         .deliver_force_thaw     = FALSE,
 233         .deliver_manual_thaw    = FALSE,
 234         .deliver_selectstring_regex = FALSE,
 235         .deliver_selectstring_sender_regex = FALSE,
 236         .disable_callout_flush  = FALSE,
 237         .disable_delay_flush    = FALSE,
 238         .disable_logging        = FALSE,
 239 #ifndef DISABLE_DKIM
 240         .dkim_disable_verify      = FALSE,
 241         .dkim_init_done           = FALSE,
 242 #endif
 243 #ifdef SUPPORT_DMARC
 244         .dmarc_has_been_checked  = FALSE,
 245         .dmarc_disable_verify    = FALSE,
 246         .dmarc_enable_forensic   = FALSE,
 247 #endif
 248         .dont_deliver           = FALSE,
 249         .dot_ends               = TRUE,
 250
 251         .enable_dollar_recipients = FALSE,
 252         .expand_string_forcedfail = FALSE,
 253
 254         .filter_running         = FALSE,
 255
 256         .header_rewritten       = FALSE,
 257         .helo_verified          = FALSE,
 258         .helo_verify_failed     = FALSE,
 259         .host_checking_callout  = FALSE,
 260         .host_find_failed_syntax= FALSE,
 261
 262         .inetd_wait_mode        = FALSE,
 263         .is_inetd               = FALSE,
 264
 265         .local_error_message    = FALSE,
 266         .log_testing_mode       = FALSE,
 267
 268 #ifdef WITH_CONTENT_SCAN
 269         .no_mbox_unspool        = FALSE,
 270 #endif
 271         .no_multiline_responses = FALSE,
 272
 273         .parse_allow_group      = FALSE,
 274         .parse_found_group      = FALSE,
 275         .pipelining_enable      = TRUE,
 276 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
 277         .proxy_session_failed   = FALSE,
 278 #endif
 279
 280         .queue_2stage           = FALSE,
 281         .queue_only_policy      = FALSE,
 282         .queue_run_first_delivery = FALSE,
 283         .queue_run_force        = FALSE,
 284         .queue_run_local        = FALSE,
 285         .queue_running          = FALSE,
 286         .queue_smtp             = FALSE,
 287
 288         .really_exim            = TRUE,
 289         .receive_call_bombout   = FALSE,
 290         .recipients_discarded   = FALSE,
 291         .running_in_test_harness = FALSE,
 292
 293         .search_find_defer      = FALSE,
 294         .sender_address_forced  = FALSE,
 295         .sender_host_notsocket  = FALSE,
 296         .sender_host_unknown    = FALSE,
 297         .sender_local           = FALSE,
 298         .sender_name_forced     = FALSE,
 299         .sender_set_untrusted   = FALSE,
 300         .smtp_authenticated     = FALSE,
 301 #ifndef DISABLE_PIPE_CONNECT
 302         .smtp_in_early_pipe_advertised = FALSE,
 303         .smtp_in_early_pipe_no_auth = FALSE,
 304         .smtp_in_early_pipe_used = FALSE,
 305 #endif
 306         .smtp_in_pipelining_advertised = FALSE,
 307         .smtp_in_pipelining_used = FALSE,
 308         .spool_file_wireformat  = FALSE,
 309         .submission_mode        = FALSE,
 310         .suppress_local_fixups  = FALSE,
 311         .suppress_local_fixups_default = FALSE,
 312         .synchronous_delivery   = FALSE,
 313         .system_filtering       = FALSE,
 314
 315         .taint_check_slow       = FALSE,
 316         .tcp_fastopen_ok        = FALSE,
 317         .tcp_in_fastopen        = FALSE,
 318         .tcp_in_fastopen_data   = FALSE,
 319         .tcp_in_fastopen_logged = FALSE,
 320         .tcp_out_fastopen_logged= FALSE,
 321         .timestamps_utc         = FALSE,
 322         .transport_filter_timed_out = FALSE,
 323         .trusted_caller         = FALSE,
 324         .trusted_config         = TRUE,
 325 };
 326
 327 /******************************************************************************/
 328 /* These are the flags which are either variables or mainsection options,
 329 so an address is needed for access, or are exported to local_scan. */
 330
 331 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 332 BOOL    allow_domain_literals  = FALSE;
 333 BOOL    allow_mx_to_ip         = FALSE;
 334 BOOL    allow_utf8_domains     = FALSE;
 335 BOOL    authentication_failed  = FALSE;
 336
 337 BOOL    bounce_return_body     = TRUE;
 338 BOOL    bounce_return_message  = TRUE;
 339 BOOL    check_rfc2047_length   = TRUE;
 340 BOOL    commandline_checks_require_admin = FALSE;
 341
 342 #ifdef EXPERIMENTAL_DCC
 343 BOOL    dcc_direct_add_header  = FALSE;
 344 #endif
 345 BOOL    debug_store            = FALSE;
 346 BOOL    delivery_date_remove   = TRUE;
 347 BOOL    deliver_drop_privilege = FALSE;
 348 #ifdef ENABLE_DISABLE_FSYNC
 349 BOOL    disable_fsync          = FALSE;
 350 #endif
 351 BOOL    disable_ipv6           = FALSE;
 352 BOOL    dns_csa_use_reverse    = TRUE;
 353 BOOL    drop_cr                = FALSE;         /* No longer used */
 354
 355 BOOL    envelope_to_remove     = TRUE;
 356 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 357 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 358 BOOL    extract_addresses_remove_arguments = TRUE;
 359
 360 BOOL    host_checking          = FALSE;
 361 BOOL    host_lookup_deferred   = FALSE;
 362 BOOL    host_lookup_failed     = FALSE;
 363 BOOL    ignore_fromline_local  = FALSE;
 364
 365 BOOL    local_from_check       = TRUE;
 366 BOOL    local_sender_retain    = FALSE;
 367 BOOL    log_timezone           = FALSE;
 368 BOOL    message_body_newlines  = FALSE;
 369 BOOL    message_logs           = TRUE;
 370 #ifdef SUPPORT_I18N
 371 BOOL    message_smtputf8       = FALSE;
 372 #endif
 373 BOOL    mua_wrapper            = FALSE;
 374
 375 BOOL    preserve_message_logs  = FALSE;
 376 BOOL    print_topbitchars      = FALSE;
 377 BOOL    prod_requires_admin    = TRUE;
 378 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
 379 BOOL    proxy_session          = FALSE;
 380 #endif
 381
 382 BOOL    queue_list_requires_admin = TRUE;
 383 BOOL    queue_only             = FALSE;
 384 BOOL    queue_only_load_latch  = TRUE;
 385 BOOL    queue_only_override    = TRUE;
 386 BOOL    queue_run_in_order     = FALSE;
 387 BOOL    recipients_max_reject  = FALSE;
 388 BOOL    return_path_remove     = TRUE;
 389
 390 BOOL    smtp_batched_input     = FALSE;
 391 BOOL    sender_helo_dnssec     = FALSE;
 392 BOOL    sender_host_dnssec     = FALSE;
 393 BOOL    smtp_accept_keepalive  = TRUE;
 394 BOOL    smtp_check_spool_space = TRUE;
 395 BOOL    smtp_enforce_sync      = TRUE;
 396 BOOL    smtp_etrn_serialize    = TRUE;
 397 BOOL    smtp_input             = FALSE;
 398 BOOL    smtp_return_error_details = FALSE;
 399 #ifdef SUPPORT_SPF
 400 BOOL    spf_result_guessed     = FALSE;
 401 #endif
 402 BOOL    split_spool_directory  = FALSE;
 403 BOOL    spool_wireformat       = FALSE;
 404 #ifdef EXPERIMENTAL_SRS
 405 BOOL    srs_usehash            = TRUE;
 406 BOOL    srs_usetimestamp       = TRUE;
 407 #endif
 408 BOOL    strict_acl_vars        = FALSE;
 409 BOOL    strip_excess_angle_brackets = FALSE;
 410 BOOL    strip_trailing_dot     = FALSE;
 411 BOOL    syslog_duplication     = TRUE;
 412 BOOL    syslog_pid             = TRUE;
 413 BOOL    syslog_timestamp       = TRUE;
 414 BOOL    system_filter_gid_set  = FALSE;
 415 BOOL    system_filter_uid_set  = FALSE;
 416
 417 BOOL    tcp_nodelay            = TRUE;
 418 BOOL    write_rejectlog        = TRUE;
 419
 420 /******************************************************************************/
 421
 422 header_line *acl_added_headers = NULL;
 423 tree_node *acl_anchor          = NULL;
 424 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 425                                   NULL, NULL, NULL, NULL};
 426 int     acl_narg               = 0;
 427
 428 int     acl_level              = 0;
 429
 430 uschar *acl_not_smtp           = NULL;
 431 #ifdef WITH_CONTENT_SCAN
 432 uschar *acl_not_smtp_mime      = NULL;
 433 #endif
 434 uschar *acl_not_smtp_start     = NULL;
 435 uschar *acl_removed_headers    = NULL;
 436 uschar *acl_smtp_auth          = NULL;
 437 uschar *acl_smtp_connect       = NULL;
 438 uschar *acl_smtp_data          = NULL;
 439 #ifndef DISABLE_PRDR
 440 uschar *acl_smtp_data_prdr     = US"accept";
 441 #endif
 442 #ifndef DISABLE_DKIM
 443 uschar *acl_smtp_dkim          = NULL;
 444 #endif
 445 uschar *acl_smtp_etrn          = NULL;
 446 uschar *acl_smtp_expn          = NULL;
 447 uschar *acl_smtp_helo          = NULL;
 448 uschar *acl_smtp_mail          = NULL;
 449 uschar *acl_smtp_mailauth      = NULL;
 450 #ifdef WITH_CONTENT_SCAN
 451 uschar *acl_smtp_mime          = NULL;
 452 #endif
 453 uschar *acl_smtp_notquit       = NULL;
 454 uschar *acl_smtp_predata       = NULL;
 455 uschar *acl_smtp_quit          = NULL;
 456 uschar *acl_smtp_rcpt          = NULL;
 457 uschar *acl_smtp_starttls      = NULL;
 458 uschar *acl_smtp_vrfy          = NULL;
 459
 460 tree_node *acl_var_c           = NULL;
 461 tree_node *acl_var_m           = NULL;
 462 uschar *acl_verify_message     = NULL;
 463 string_item *acl_warn_logged   = NULL;
 464
 465 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 466 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 467
 468 uschar *acl_wherenames[]       = { US"RCPT",
 469                                    US"MAIL",
 470                                    US"PREDATA",
 471                                    US"MIME",
 472                                    US"DKIM",
 473                                    US"DATA",
 474 #ifndef DISABLE_PRDR
 475                                    US"PRDR",
 476 #endif
 477                                    US"non-SMTP",
 478                                    US"AUTH",
 479                                    US"connection",
 480                                    US"ETRN",
 481                                    US"EXPN",
 482                                    US"EHLO or HELO",
 483                                    US"MAILAUTH",
 484                                    US"non-SMTP-start",
 485                                    US"NOTQUIT",
 486                                    US"QUIT",
 487                                    US"STARTTLS",
 488                                    US"VRFY",
 489                                    US"delivery",
 490                                    US"unknown"
 491                                  };
 492
 493 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 494                                    US"550",     /* MAIL */
 495                                    US"550",     /* PREDATA */
 496                                    US"550",     /* MIME */
 497                                    US"550",     /* DKIM */
 498                                    US"550",     /* DATA */
 499 #ifndef DISABLE_PRDR
 500                                    US"550",    /* RCPT PRDR */
 501 #endif
 502                                    US"0",       /* not SMTP; not relevant */
 503                                    US"503",     /* AUTH */
 504                                    US"550",     /* connect */
 505                                    US"458",     /* ETRN */
 506                                    US"550",     /* EXPN */
 507                                    US"550",     /* HELO/EHLO */
 508                                    US"0",       /* MAILAUTH; not relevant */
 509                                    US"0",       /* not SMTP; not relevant */
 510                                    US"0",       /* NOTQUIT; not relevant */
 511                                    US"0",       /* QUIT; not relevant */
 512                                    US"550",     /* STARTTLS */
 513                                    US"252",     /* VRFY */
 514                                    US"0",       /* delivery; not relevant */
 515                                    US"0"        /* unknown; not relevant */
 516                                  };
 517
 518 uschar *add_environment        = NULL;
 519 address_item  *addr_duplicate  = NULL;
 520
 521 address_item address_defaults = {
 522   .next =               NULL,
 523   .parent =             NULL,
 524   .first =              NULL,
 525   .dupof =              NULL,
 526   .start_router =       NULL,
 527   .router =             NULL,
 528   .transport =          NULL,
 529   .host_list =          NULL,
 530   .host_used =          NULL,
 531   .fallback_hosts =     NULL,
 532   .reply =              NULL,
 533   .retries =            NULL,
 534   .address =            NULL,
 535   .unique =             NULL,
 536   .cc_local_part =      NULL,
 537   .lc_local_part =      NULL,
 538   .local_part =         NULL,
 539   .prefix =             NULL,
 540   .suffix =             NULL,
 541   .domain =             NULL,
 542   .address_retry_key =  NULL,
 543   .domain_retry_key =   NULL,
 544   .current_dir =        NULL,
 545   .home_dir =           NULL,
 546   .message =            NULL,
 547   .user_message =       NULL,
 548   .onetime_parent =     NULL,
 549   .pipe_expandn =       NULL,
 550   .return_filename =    NULL,
 551   .self_hostname =      NULL,
 552   .shadow_message =     NULL,
 553 #ifndef DISABLE_TLS
 554   .cipher =             NULL,
 555   .ourcert =            NULL,
 556   .peercert =           NULL,
 557   .peerdn =             NULL,
 558   .ocsp =               OCSP_NOT_REQ,
 559 #endif
 560 #ifdef EXPERIMENTAL_DSN_INFO
 561   .smtp_greeting =      NULL,
 562   .helo_response =      NULL,
 563 #endif
 564   .authenticator =      NULL,
 565   .auth_id =            NULL,
 566   .auth_sndr =          NULL,
 567   .dsn_orcpt =          NULL,
 568   .dsn_flags =          0,
 569   .dsn_aware =          0,
 570   .uid =                (uid_t)(-1),
 571   .gid =                (gid_t)(-1),
 572   .flags =              { 0 },
 573   .domain_cache =       { 0 },                /* domain_cache - any larger array should be zeroed */
 574   .localpart_cache =    { 0 },                /* localpart_cache - ditto */
 575   .mode =               -1,
 576   .more_errno =         0,
 577   .delivery_time =      {.tv_sec = 0, .tv_usec = 0},
 578   .basic_errno =        ERRNO_UNKNOWNERROR,
 579   .child_count =        0,
 580   .return_file =        -1,
 581   .special_action =     SPECIAL_NONE,
 582   .transport_return =   DEFER,
 583   .prop = {                                     /* fields that are propagated to children */
 584     .address_data =     NULL,
 585     .domain_data =      NULL,
 586     .localpart_data =   NULL,
 587     .errors_address =   NULL,
 588     .extra_headers =    NULL,
 589     .remove_headers =   NULL,
 590     .variables =        NULL,
 591 #ifdef EXPERIMENTAL_SRS
 592     .srs_sender =       NULL,
 593 #endif
 594     .ignore_error =     FALSE,
 595 #ifdef SUPPORT_I18N
 596     .utf8_msg =         FALSE,
 597     .utf8_downcvt =     FALSE,
 598     .utf8_downcvt_maybe = FALSE
 599 #endif
 600   }
 601 };
 602
 603 uschar *address_file           = NULL;
 604 uschar *address_pipe           = NULL;
 605 tree_node *addresslist_anchor  = NULL;
 606 int     addresslist_count      = 0;
 607 gid_t  *admin_groups           = NULL;
 608
 609 #ifdef EXPERIMENTAL_ARC
 610 struct arc_set *arc_received    = NULL;
 611 int     arc_received_instance   = 0;
 612 int     arc_oldest_pass         = 0;
 613 const uschar *arc_state         = NULL;
 614 const uschar *arc_state_reason  = NULL;
 615 #endif
 616
 617 uschar *authenticated_fail_id  = NULL;
 618 uschar *authenticated_id       = NULL;
 619 uschar *authenticated_sender   = NULL;
 620 auth_instance  *auths          = NULL;
 621 uschar *auth_advertise_hosts   = US"*";
 622 auth_instance auth_defaults    = {
 623     .next =             NULL,
 624     .name =             NULL,
 625     .info =             NULL,
 626     .options_block =    NULL,
 627     .driver_name =      NULL,
 628     .advertise_condition = NULL,
 629     .client_condition = NULL,
 630     .public_name =      NULL,
 631     .set_id =           NULL,
 632     .set_client_id =    NULL,
 633     .mail_auth_condition = NULL,
 634     .server_debug_string = NULL,
 635     .server_condition = NULL,
 636     .client =           FALSE,
 637     .server =           FALSE,
 638     .advertised =       FALSE
 639 };
 640
 641 uschar *auth_defer_msg         = US"reason not recorded";
 642 uschar *auth_defer_user_msg    = US"";
 643 uschar *auth_vars[AUTH_VARS];
 644 int     auto_thaw              = 0;
 645 #ifdef WITH_CONTENT_SCAN
 646 int     av_failed              = FALSE; /* boolean but accessed as vtype_int*/
 647 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 648 #endif
 649
 650 #if BASE_62 == 62
 651 uschar *base62_chars=
 652     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 653 #else
 654 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 655 #endif
 656
 657 uschar *bi_command             = NULL;
 658 uschar *big_buffer             = NULL;
 659 int     big_buffer_size        = BIG_BUFFER_SIZE;
 660 #ifdef EXPERIMENTAL_BRIGHTMAIL
 661 uschar *bmi_alt_location       = NULL;
 662 uschar *bmi_base64_tracker_verdict = NULL;
 663 uschar *bmi_base64_verdict     = NULL;
 664 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 665 int     bmi_deliver            = 1;
 666 int     bmi_run                = 0;
 667 uschar *bmi_verdicts           = NULL;
 668 #endif
 669 int     bsmtp_transaction_linecount = 0;
 670 int     body_8bitmime          = 0;
 671 int     body_linecount         = 0;
 672 int     body_zerocount         = 0;
 673 uschar *bounce_message_file    = NULL;
 674 uschar *bounce_message_text    = NULL;
 675 uschar *bounce_recipient       = NULL;
 676 int     bounce_return_linesize_limit = 998;
 677 int     bounce_return_size_limit = 100*1024;
 678 uschar *bounce_sender_authentication = NULL;
 679
 680 uschar *callout_address        = NULL;
 681 int     callout_cache_domain_positive_expire = 7*24*60*60;
 682 int     callout_cache_domain_negative_expire = 3*60*60;
 683 int     callout_cache_positive_expire = 24*60*60;
 684 int     callout_cache_negative_expire = 2*60*60;
 685 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 686 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 687 int     check_log_inodes       = 100;
 688 int_eximarith_t check_log_space = 10*1024;      /* 10K Kbyte == 10MB */
 689 int     check_spool_inodes     = 100;
 690 int_eximarith_t check_spool_space = 10*1024;    /* 10K Kbyte == 10MB */
 691
 692 uschar *chunking_advertise_hosts = US"*";
 693 unsigned chunking_datasize     = 0;
 694 unsigned chunking_data_left    = 0;
 695 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
 696 const pcre *regex_CHUNKING     = NULL;
 697
 698 uschar *client_authenticator   = NULL;
 699 uschar *client_authenticated_id = NULL;
 700 uschar *client_authenticated_sender = NULL;
 701 int     clmacro_count          = 0;
 702 uschar *clmacros[MAX_CLMACROS];
 703 FILE   *config_file            = NULL;
 704 const uschar *config_filename  = NULL;
 705 int     config_lineno          = 0;
 706 #ifdef CONFIGURE_GROUP
 707 gid_t   config_gid             = CONFIGURE_GROUP;
 708 #else
 709 gid_t   config_gid             = 0;
 710 #endif
 711 uschar *config_main_filelist   = US CONFIGURE_FILE
 712                          "\0<-----------Space to patch configure_filename->";
 713 uschar *config_main_filename   = NULL;
 714 uschar *config_main_directory  = NULL;
 715
 716 #ifdef CONFIGURE_OWNER
 717 uid_t   config_uid             = CONFIGURE_OWNER;
 718 #else
 719 uid_t   config_uid             = 0;
 720 #endif
 721
 722 int     connection_max_messages= -1;
 723 uschar *continue_proxy_cipher  = NULL;
 724 uschar *continue_hostname      = NULL;
 725 uschar *continue_host_address  = NULL;
 726 int     continue_sequence      = 1;
 727 uschar *continue_transport     = NULL;
 728
 729 uschar *csa_status             = NULL;
 730 cut_t   cutthrough = {
 731   .callout_hold_only =  FALSE,                          /* verify-only: normal delivery */
 732   .delivery =           FALSE,                          /* when to attempt */
 733   .defer_pass =         FALSE,                          /* on defer: spool locally */
 734   .is_tls =             FALSE,                          /* not a TLS conn yet */
 735   .cctx =               {.sock = -1},                   /* open connection */
 736   .nrcpt =              0,                              /* number of addresses */
 737 };
 738
 739 uschar *daemon_smtp_port       = US"smtp";
 740 int     daemon_startup_retries = 9;
 741 int     daemon_startup_sleep   = 30;
 742
 743 #ifdef EXPERIMENTAL_DCC
 744 uschar *dcc_header             = NULL;
 745 uschar *dcc_result             = NULL;
 746 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 747 uschar *dccifd_options         = US"header";
 748 #endif
 749
 750 int     debug_fd               = -1;
 751 FILE   *debug_file             = NULL;
 752 int     debug_notall[]         = {
 753   Di_memory,
 754   Di_noutf8,
 755   -1
 756 };
 757 bit_table debug_options[]      = { /* must be in alphabetical order and use
 758                                  only the enum values from macro.h */
 759   BIT_TABLE(D, acl),
 760   BIT_TABLE(D, all),
 761   BIT_TABLE(D, auth),
 762   BIT_TABLE(D, deliver),
 763   BIT_TABLE(D, dns),
 764   BIT_TABLE(D, dnsbl),
 765   BIT_TABLE(D, exec),
 766   BIT_TABLE(D, expand),
 767   BIT_TABLE(D, filter),
 768   BIT_TABLE(D, hints_lookup),
 769   BIT_TABLE(D, host_lookup),
 770   BIT_TABLE(D, ident),
 771   BIT_TABLE(D, interface),
 772   BIT_TABLE(D, lists),
 773   BIT_TABLE(D, load),
 774   BIT_TABLE(D, local_scan),
 775   BIT_TABLE(D, lookup),
 776   BIT_TABLE(D, memory),
 777   BIT_TABLE(D, noutf8),
 778   BIT_TABLE(D, pid),
 779   BIT_TABLE(D, process_info),
 780   BIT_TABLE(D, queue_run),
 781   BIT_TABLE(D, receive),
 782   BIT_TABLE(D, resolver),
 783   BIT_TABLE(D, retry),
 784   BIT_TABLE(D, rewrite),
 785   BIT_TABLE(D, route),
 786   BIT_TABLE(D, timestamp),
 787   BIT_TABLE(D, tls),
 788   BIT_TABLE(D, transport),
 789   BIT_TABLE(D, uid),
 790   BIT_TABLE(D, verify),
 791 };
 792 int     debug_options_count    = nelem(debug_options);
 793
 794 unsigned int debug_selector    = 0;
 795 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 796 uschar *delay_warning_condition=
 797   US"${if or {"
 798             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 799             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 800             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 801             "} {no}{yes}}";
 802 uschar *deliver_address_data   = NULL;
 803 int     deliver_datafile       = -1;
 804 const uschar *deliver_domain   = NULL;
 805 uschar *deliver_domain_data    = NULL;
 806 const uschar *deliver_domain_orig = NULL;
 807 const uschar *deliver_domain_parent = NULL;
 808 time_t  deliver_frozen_at      = 0;
 809 uschar *deliver_home           = NULL;
 810 const uschar *deliver_host     = NULL;
 811 const uschar *deliver_host_address = NULL;
 812 int     deliver_host_port      = 0;
 813 uschar *deliver_in_buffer      = NULL;
 814 ino_t   deliver_inode          = 0;
 815 uschar *deliver_localpart      = NULL;
 816 uschar *deliver_localpart_data = NULL;
 817 uschar *deliver_localpart_orig = NULL;
 818 uschar *deliver_localpart_parent = NULL;
 819 uschar *deliver_localpart_prefix = NULL;
 820 uschar *deliver_localpart_suffix = NULL;
 821 uschar *deliver_localpart_verified = NULL;
 822 uschar *deliver_out_buffer     = NULL;
 823 int     deliver_queue_load_max = -1;
 824 address_item  *deliver_recipients = NULL;
 825 uschar *deliver_selectstring   = NULL;
 826 uschar *deliver_selectstring_sender = NULL;
 827
 828 #ifndef DISABLE_DKIM
 829 unsigned dkim_collect_input      = 0;
 830 uschar *dkim_cur_signer          = NULL;
 831 int     dkim_key_length          = 0;
 832 void   *dkim_signatures          = NULL;
 833 uschar *dkim_signers             = NULL;
 834 uschar *dkim_signing_domain      = NULL;
 835 uschar *dkim_signing_selector    = NULL;
 836 uschar *dkim_verify_hashes       = US"sha256:sha512";
 837 uschar *dkim_verify_keytypes     = US"ed25519:rsa";
 838 BOOL    dkim_verify_minimal      = FALSE;
 839 uschar *dkim_verify_overall      = NULL;
 840 uschar *dkim_verify_signers      = US"$dkim_signers";
 841 uschar *dkim_verify_status       = NULL;
 842 uschar *dkim_verify_reason       = NULL;
 843 #endif
 844 #ifdef SUPPORT_DMARC
 845 uschar *dmarc_domain_policy     = NULL;
 846 uschar *dmarc_forensic_sender   = NULL;
 847 uschar *dmarc_history_file      = NULL;
 848 uschar *dmarc_status            = NULL;
 849 uschar *dmarc_status_text       = NULL;
 850 uschar *dmarc_tld_file          = NULL;
 851 uschar *dmarc_used_domain       = NULL;
 852 #endif
 853
 854 uschar *dns_again_means_nonexist = NULL;
 855 int     dns_csa_search_limit   = 5;
 856 int     dns_cname_loops        = 1;
 857 #ifdef SUPPORT_DANE
 858 int     dns_dane_ok            = -1;
 859 #endif
 860 uschar *dns_ipv4_lookup        = NULL;
 861 int     dns_retrans            = 0;
 862 int     dns_retry              = 0;
 863 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 864 uschar *dns_trust_aa           = NULL;
 865 int     dns_use_edns0          = -1; /* <0 = not coerced */
 866 uschar *dnslist_domain         = NULL;
 867 uschar *dnslist_matched        = NULL;
 868 uschar *dnslist_text           = NULL;
 869 uschar *dnslist_value          = NULL;
 870 tree_node *domainlist_anchor   = NULL;
 871 int     domainlist_count       = 0;
 872 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 873
 874 int     errno_quota            = ERRNO_QUOTA;
 875 uschar *errors_copy            = NULL;
 876 int     error_handling         = ERRORS_SENDER;
 877 uschar *errors_reply_to        = NULL;
 878 int     errors_sender_rc       = EXIT_FAILURE;
 879 #ifndef DISABLE_EVENT
 880 uschar *event_action             = NULL;        /* expansion for delivery events */
 881 uschar *event_data               = NULL;        /* auxiliary data variable for event */
 882 int     event_defer_errno        = 0;
 883 const uschar *event_name         = NULL;        /* event name variable */
 884 #endif
 885
 886
 887 gid_t   exim_gid               = EXIM_GID;
 888 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 889                         "\0<---------------Space to patch exim_path->";
 890 uid_t   exim_uid               = EXIM_UID;
 891 int     expand_level           = 0;             /* Nesting depth, indent for debug */
 892 int     expand_forbid          = 0;
 893 int     expand_nlength[EXPAND_MAXN+1];
 894 int     expand_nmax            = -1;
 895 uschar *expand_nstring[EXPAND_MAXN+1];
 896 uschar *expand_string_message;
 897 uschar *extra_local_interfaces = NULL;
 898
 899 int     fake_response          = OK;
 900 uschar *fake_response_text     = US"Your message has been rejected but is "
 901                                    "being kept for evaluation.\nIf it was a "
 902                                    "legitimate message, it may still be "
 903                                    "delivered to the target recipient(s).";
 904 int     filter_n[FILTER_VARIABLE_COUNT];
 905 int     filter_sn[FILTER_VARIABLE_COUNT];
 906 int     filter_test            = FTEST_NONE;
 907 uschar *filter_test_sfile      = NULL;
 908 uschar *filter_test_ufile      = NULL;
 909 uschar *filter_thisaddress     = NULL;
 910 int     finduser_retries       = 0;
 911 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 912 uschar *freeze_tell            = NULL;
 913 uschar *freeze_tell_config     = NULL;
 914 uschar *fudged_queue_times     = US"";
 915
 916 uschar *gecos_name             = NULL;
 917 uschar *gecos_pattern          = NULL;
 918 rewrite_rule  *global_rewrite_rules = NULL;
 919
 920 volatile sig_atomic_t had_command_timeout = 0;
 921 volatile sig_atomic_t had_command_sigterm = 0;
 922 volatile sig_atomic_t had_data_timeout    = 0;
 923 volatile sig_atomic_t had_data_sigint     = 0;
 924 uschar *headers_charset        = US HEADERS_CHARSET;
 925 int     header_insert_maxlen   = 64 * 1024;
 926 header_line  *header_last      = NULL;
 927 header_line  *header_list      = NULL;
 928 int     header_maxsize         = HEADER_MAXSIZE;
 929 int     header_line_maxsize    = 0;
 930
 931 header_name header_names[] = {
 932   /* name               len     allow_resent    htype */
 933   { US"bcc",            3,      TRUE,           htype_bcc },
 934   { US"cc",             2,      TRUE,           htype_cc },
 935   { US"date",           4,      TRUE,           htype_date },
 936   { US"delivery-date", 13,      FALSE,          htype_delivery_date },
 937   { US"envelope-to",   11,      FALSE,          htype_envelope_to },
 938   { US"from",           4,      TRUE,           htype_from },
 939   { US"message-id",    10,      TRUE,           htype_id },
 940   { US"received",       8,      FALSE,          htype_received },
 941   { US"reply-to",       8,      FALSE,          htype_reply_to },
 942   { US"return-path",   11,      FALSE,          htype_return_path },
 943   { US"sender",         6,      TRUE,           htype_sender },
 944   { US"subject",        7,      FALSE,          htype_subject },
 945   { US"to",             2,      TRUE,           htype_to }
 946 };
 947
 948 int header_names_size          = nelem(header_names);
 949
 950 uschar *helo_accept_junk_hosts = NULL;
 951 uschar *helo_allow_chars       = US"";
 952 uschar *helo_lookup_domains    = US"@ : @[]";
 953 uschar *helo_try_verify_hosts  = NULL;
 954 uschar *helo_verify_hosts      = NULL;
 955 const uschar *hex_digits       = CUS"0123456789abcdef";
 956 uschar *hold_domains           = NULL;
 957 uschar *host_data              = NULL;
 958 uschar *host_lookup            = NULL;
 959 uschar *host_lookup_order      = US"bydns:byaddr";
 960 uschar *host_lookup_msg        = US"";
 961 int     host_number            = 0;
 962 uschar *host_number_string     = NULL;
 963 uschar *host_reject_connection = NULL;
 964 tree_node *hostlist_anchor     = NULL;
 965 int     hostlist_count         = 0;
 966 uschar *hosts_treat_as_local   = NULL;
 967 uschar *hosts_connection_nolog = NULL;
 968
 969 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 970 uschar *ignore_fromline_hosts  = NULL;
 971 int     inetd_wait_timeout     = -1;
 972 uschar *initial_cwd            = NULL;
 973 uschar *interface_address      = NULL;
 974 int     interface_port         = -1;
 975 uschar *iterate_item           = NULL;
 976
 977 int     journal_fd             = -1;
 978
 979 uschar *keep_environment       = NULL;
 980
 981 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 982
 983 uschar *eldap_dn               = NULL;
 984 int     load_average           = -2;
 985 uschar *local_from_prefix      = NULL;
 986 uschar *local_from_suffix      = NULL;
 987
 988 #if HAVE_IPV6
 989 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 990 #else
 991 uschar *local_interfaces       = US"0.0.0.0";
 992 #endif
 993
 994 #ifdef HAVE_LOCAL_SCAN
 995 uschar *local_scan_data        = NULL;
 996 int     local_scan_timeout     = 5*60;
 997 #endif
 998 gid_t   local_user_gid         = (gid_t)(-1);
 999 uid_t   local_user_uid         = (uid_t)(-1);
1000
1001 tree_node *localpartlist_anchor= NULL;
1002 int     localpartlist_count    = 0;
1003 uschar *log_buffer             = NULL;
1004
1005 int     log_default[]          = { /* for initializing log_selector */
1006   Li_acl_warn_skipped,
1007   Li_connection_reject,
1008   Li_delay_delivery,
1009   Li_dkim,
1010   Li_dnslist_defer,
1011   Li_etrn,
1012   Li_host_lookup_failed,
1013   Li_lost_incoming_connection,
1014   Li_outgoing_interface, /* see d_log_interface in deliver.c */
1015   Li_msg_id,
1016   Li_queue_run,
1017   Li_rejected_header,
1018   Li_retry_defer,
1019   Li_sender_verify_fail,
1020   Li_size_reject,
1021   Li_skip_delivery,
1022   Li_smtp_confirmation,
1023   Li_tls_certificate_verified,
1024   Li_tls_cipher,
1025   -1
1026 };
1027
1028 uschar *log_file_path          = US LOG_FILE_PATH
1029                            "\0<--------------Space to patch log_file_path->";
1030
1031 int     log_notall[]           = {
1032   -1
1033 };
1034 bit_table log_options[]        = { /* must be in alphabetical order,
1035                                 with definitions from enum logbit. */
1036   BIT_TABLE(L, 8bitmime),
1037   BIT_TABLE(L, acl_warn_skipped),
1038   BIT_TABLE(L, address_rewrite),
1039   BIT_TABLE(L, all),
1040   BIT_TABLE(L, all_parents),
1041   BIT_TABLE(L, arguments),
1042   BIT_TABLE(L, connection_reject),
1043   BIT_TABLE(L, delay_delivery),
1044   BIT_TABLE(L, deliver_time),
1045   BIT_TABLE(L, delivery_size),
1046 #ifndef DISABLE_DKIM
1047   BIT_TABLE(L, dkim),
1048   BIT_TABLE(L, dkim_verbose),
1049 #endif
1050   BIT_TABLE(L, dnslist_defer),
1051   BIT_TABLE(L, dnssec),
1052   BIT_TABLE(L, etrn),
1053   BIT_TABLE(L, host_lookup_failed),
1054   BIT_TABLE(L, ident_timeout),
1055   BIT_TABLE(L, incoming_interface),
1056   BIT_TABLE(L, incoming_port),
1057   BIT_TABLE(L, lost_incoming_connection),
1058   BIT_TABLE(L, millisec),
1059   BIT_TABLE(L, msg_id),
1060   BIT_TABLE(L, msg_id_created),
1061   BIT_TABLE(L, outgoing_interface),
1062   BIT_TABLE(L, outgoing_port),
1063   BIT_TABLE(L, pid),
1064   BIT_TABLE(L, pipelining),
1065 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1066   BIT_TABLE(L, proxy),
1067 #endif
1068   BIT_TABLE(L, queue_run),
1069   BIT_TABLE(L, queue_time),
1070   BIT_TABLE(L, queue_time_overall),
1071   BIT_TABLE(L, receive_time),
1072   BIT_TABLE(L, received_recipients),
1073   BIT_TABLE(L, received_sender),
1074   BIT_TABLE(L, rejected_header),
1075   { US"rejected_headers", Li_rejected_header },
1076   BIT_TABLE(L, retry_defer),
1077   BIT_TABLE(L, return_path_on_delivery),
1078   BIT_TABLE(L, sender_on_delivery),
1079   BIT_TABLE(L, sender_verify_fail),
1080   BIT_TABLE(L, size_reject),
1081   BIT_TABLE(L, skip_delivery),
1082   BIT_TABLE(L, smtp_confirmation),
1083   BIT_TABLE(L, smtp_connection),
1084   BIT_TABLE(L, smtp_incomplete_transaction),
1085   BIT_TABLE(L, smtp_mailauth),
1086   BIT_TABLE(L, smtp_no_mail),
1087   BIT_TABLE(L, smtp_protocol_error),
1088   BIT_TABLE(L, smtp_syntax_error),
1089   BIT_TABLE(L, subject),
1090   BIT_TABLE(L, tls_certificate_verified),
1091   BIT_TABLE(L, tls_cipher),
1092   BIT_TABLE(L, tls_peerdn),
1093   BIT_TABLE(L, tls_resumption),
1094   BIT_TABLE(L, tls_sni),
1095   BIT_TABLE(L, unknown_in_list),
1096 };
1097 int     log_options_count      = nelem(log_options);
1098
1099 int     log_reject_target      = 0;
1100 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1101 uschar *log_selector_string    = NULL;
1102 FILE   *log_stderr             = NULL;
1103 uschar *login_sender_address   = NULL;
1104 uschar *lookup_dnssec_authenticated = NULL;
1105 int     lookup_open_max        = 25;
1106 uschar *lookup_value           = NULL;
1107
1108 macro_item *macros_user        = NULL;
1109 uschar *mailstore_basename     = NULL;
1110 #ifdef WITH_CONTENT_SCAN
1111 uschar *malware_name           = NULL;  /* Virus Name */
1112 #endif
1113 int     max_received_linelength= 0;
1114 int     max_username_length    = 0;
1115 int     message_age            = 0;
1116 uschar *message_body           = NULL;
1117 uschar *message_body_end       = NULL;
1118 int     message_body_size      = 0;
1119 int     message_body_visible   = 500;
1120 int     message_ended          = END_NOTSTARTED;
1121 uschar *message_headers        = NULL;
1122 uschar *message_id;
1123 uschar *message_id_domain      = NULL;
1124 uschar *message_id_text        = NULL;
1125 struct timeval message_id_tv   = { 0, 0 };
1126 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
1127 uschar *message_id_external;
1128 int     message_linecount      = 0;
1129 int     message_size           = 0;
1130 uschar *message_size_limit     = US"50M";
1131 #ifdef SUPPORT_I18N
1132 int     message_utf8_downconvert = 0;   /* -1 ifneeded; 0 never; 1 always */
1133 #endif
1134 uschar  message_subdir[2]      = { 0, 0 };
1135 uschar *message_reference      = NULL;
1136
1137 /* MIME ACL expandables */
1138 #ifdef WITH_CONTENT_SCAN
1139 int     mime_anomaly_level     = 0;
1140 const uschar *mime_anomaly_text      = NULL;
1141 uschar *mime_boundary          = NULL;
1142 uschar *mime_charset           = NULL;
1143 uschar *mime_content_description = NULL;
1144 uschar *mime_content_disposition = NULL;
1145 uschar *mime_content_id        = NULL;
1146 unsigned int mime_content_size = 0;
1147 uschar *mime_content_transfer_encoding = NULL;
1148 uschar *mime_content_type      = NULL;
1149 uschar *mime_decoded_filename  = NULL;
1150 uschar *mime_filename          = NULL;
1151 int     mime_is_multipart      = 0;
1152 int     mime_is_coverletter    = 0;
1153 int     mime_is_rfc822         = 0;
1154 int     mime_part_count        = -1;
1155 #endif
1156
1157 uid_t  *never_users            = NULL;
1158
1159 const int on                   = 1;     /* for setsockopt */
1160 const int off                  = 0;
1161
1162 uid_t   original_euid;
1163 gid_t   originator_gid;
1164 uschar *originator_login       = NULL;
1165 uschar *originator_name        = NULL;
1166 uid_t   originator_uid;
1167 uschar *override_local_interfaces = NULL;
1168 uschar *override_pid_file_path = NULL;
1169
1170 uschar *percent_hack_domains   = NULL;
1171 uschar *pid_file_path          = US PID_FILE_PATH
1172                            "\0<--------------Space to patch pid_file_path->";
1173 #ifndef DISABLE_PIPE_CONNECT
1174 uschar *pipe_connect_advertise_hosts = US"*";
1175 #endif
1176 uschar *pipelining_advertise_hosts = US"*";
1177 uschar *primary_hostname       = NULL;
1178 uschar *process_info;
1179 int     process_info_len       = 0;
1180 uschar *process_log_path       = NULL;
1181
1182 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1183 uschar *hosts_proxy            = NULL;
1184 uschar *proxy_external_address = NULL;
1185 int     proxy_external_port    = 0;
1186 uschar *proxy_local_address    = NULL;
1187 int     proxy_local_port       = 0;
1188 #endif
1189
1190 uschar *prvscheck_address      = NULL;
1191 uschar *prvscheck_keynum       = NULL;
1192 uschar *prvscheck_result       = NULL;
1193
1194
1195 const uschar *qualify_domain_recipient = NULL;
1196 uschar *qualify_domain_sender  = NULL;
1197 uschar *queue_domains          = NULL;
1198 int     queue_interval         = -1;
1199 uschar *queue_name             = US"";
1200 uschar *queue_name_dest        = NULL;
1201 uschar *queue_only_file        = NULL;
1202 int     queue_only_load        = -1;
1203 uschar *queue_run_max          = US"5";
1204 pid_t   queue_run_pid          = (pid_t)0;
1205 int     queue_run_pipe         = -1;
1206 uschar *queue_smtp_domains     = NULL;
1207
1208 uint32_t random_seed           = 0;
1209 tree_node *ratelimiters_cmd    = NULL;
1210 tree_node *ratelimiters_conn   = NULL;
1211 tree_node *ratelimiters_mail   = NULL;
1212 uschar *raw_active_hostname    = NULL;
1213 uschar *raw_sender             = NULL;
1214 uschar **raw_recipients        = NULL;
1215 int     raw_recipients_count   = 0;
1216
1217 int     rcpt_count             = 0;
1218 int     rcpt_fail_count        = 0;
1219 int     rcpt_defer_count       = 0;
1220 gid_t   real_gid;
1221 uid_t   real_uid;
1222 int     receive_linecount      = 0;
1223 int     receive_messagecount   = 0;
1224 int     receive_timeout        = 0;
1225 int     received_count         = 0;
1226 uschar *received_for           = NULL;
1227
1228 /*  This is the default text for Received headers generated by Exim. The
1229 date  will be automatically added on the end. */
1230
1231 uschar *received_header_text   = US
1232      "Received: "
1233      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1234        "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1235          "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1236      "by $primary_hostname "
1237      "${if def:received_protocol {with $received_protocol }}"
1238 #ifndef DISABLE_TLS
1239      "${if def:tls_in_ver        { ($tls_in_ver)}}"
1240      "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1241 #endif
1242      "(Exim $version_number)\n\t"
1243      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1244      "id $message_exim_id"
1245      "${if def:received_for {\n\tfor $received_for}}"
1246      "\0<---------------Space to patch received_header_text->";
1247
1248 int     received_headers_max   = 30;
1249 uschar *received_protocol      = NULL;
1250 struct timeval received_time   = { 0, 0 };
1251 struct timeval received_time_taken = { 0, 0 };
1252 uschar *recipient_data         = NULL;
1253 uschar *recipient_unqualified_hosts = NULL;
1254 uschar *recipient_verify_failure = NULL;
1255 int     recipients_count       = 0;
1256 recipient_item  *recipients_list = NULL;
1257 int     recipients_list_max    = 0;
1258 int     recipients_max         = 0;
1259 const pcre *regex_AUTH         = NULL;
1260 const pcre *regex_check_dns_names = NULL;
1261 const pcre *regex_From         = NULL;
1262 const pcre *regex_IGNOREQUOTA  = NULL;
1263 const pcre *regex_PIPELINING   = NULL;
1264 const pcre *regex_SIZE         = NULL;
1265 #ifndef DISABLE_PIPE_CONNECT
1266 const pcre *regex_EARLY_PIPE   = NULL;
1267 #endif
1268 const pcre *regex_ismsgid      = NULL;
1269 const pcre *regex_smtp_code    = NULL;
1270 uschar *regex_vars[REGEX_VARS];
1271 #ifdef WHITELIST_D_MACROS
1272 const pcre *regex_whitelisted_macro = NULL;
1273 #endif
1274 #ifdef WITH_CONTENT_SCAN
1275 uschar *regex_match_string     = NULL;
1276 #endif
1277 int     remote_delivery_count  = 0;
1278 int     remote_max_parallel    = 2;
1279 uschar *remote_sort_domains    = NULL;
1280 int     retry_data_expire      = 7*24*60*60;
1281 int     retry_interval_max     = 24*60*60;
1282 int     retry_maximum_timeout  = 0;        /* set from retry config */
1283 retry_config  *retries         = NULL;
1284 uschar *return_path            = NULL;
1285 int     rewrite_existflags     = 0;
1286 uschar *rfc1413_hosts          = US"@[]";
1287 int     rfc1413_query_timeout  = 0;
1288 uid_t   root_gid               = ROOT_GID;
1289 uid_t   root_uid               = ROOT_UID;
1290
1291 router_instance  *routers  = NULL;
1292 router_instance  router_defaults = {
1293     .next =                     NULL,
1294     .name =                     NULL,
1295     .info =                     NULL,
1296     .options_block =            NULL,
1297     .driver_name =              NULL,
1298
1299     .address_data =             NULL,
1300 #ifdef EXPERIMENTAL_BRIGHTMAIL
1301     .bmi_rule =                 NULL,
1302 #endif
1303     .cannot_route_message =     NULL,
1304     .condition =                NULL,
1305     .current_directory =        NULL,
1306     .debug_string =             NULL,
1307     .domains =                  NULL,
1308     .errors_to =                NULL,
1309     .expand_gid =               NULL,
1310     .expand_uid =               NULL,
1311     .expand_more =              NULL,
1312     .expand_unseen =            NULL,
1313     .extra_headers =            NULL,
1314     .fallback_hosts =           NULL,
1315     .home_directory =           NULL,
1316     .ignore_target_hosts =      NULL,
1317     .local_parts =              NULL,
1318     .pass_router_name =         NULL,
1319     .prefix =                   NULL,
1320     .redirect_router_name =     NULL,
1321     .remove_headers =           NULL,
1322     .require_files =            NULL,
1323     .router_home_directory =    NULL,
1324     .self =                     US"freeze",
1325     .senders =                  NULL,
1326     .suffix =                   NULL,
1327     .translate_ip_address =     NULL,
1328     .transport_name =           NULL,
1329
1330     .address_test =             TRUE,
1331 #ifdef EXPERIMENTAL_BRIGHTMAIL
1332     .bmi_deliver_alternate =    FALSE,
1333     .bmi_deliver_default =      FALSE,
1334     .bmi_dont_deliver =         FALSE,
1335 #endif
1336     .expn =                     TRUE,
1337     .caseful_local_part =       FALSE,
1338     .check_local_user =         FALSE,
1339     .disable_logging =          FALSE,
1340     .fail_verify_recipient =    FALSE,
1341     .fail_verify_sender =       FALSE,
1342     .gid_set =                  FALSE,
1343     .initgroups =               FALSE,
1344     .log_as_local =             TRUE_UNSET,
1345     .more =                     TRUE,
1346     .pass_on_timeout =          FALSE,
1347     .prefix_optional =          FALSE,
1348     .repeat_use =               TRUE,
1349     .retry_use_local_part =     TRUE_UNSET,
1350     .same_domain_copy_routing = FALSE,
1351     .self_rewrite =             FALSE,
1352     .set =                      NULL,
1353     .suffix_optional =          FALSE,
1354     .verify_only =              FALSE,
1355     .verify_recipient =         TRUE,
1356     .verify_sender =            TRUE,
1357     .uid_set =                  FALSE,
1358     .unseen =                   FALSE,
1359     .dsn_lasthop =              FALSE,
1360
1361     .self_code =                self_freeze,
1362     .uid =                      (uid_t)(-1),
1363     .gid =                      (gid_t)(-1),
1364
1365     .fallback_hostlist =        NULL,
1366     .transport =                NULL,
1367     .pass_router =              NULL,
1368     .redirect_router =          NULL,
1369
1370     .dnssec =                   { .request= US"*", .require=NULL },
1371 };
1372
1373 uschar *router_name            = NULL;
1374 tree_node *router_var          = NULL;
1375
1376 ip_address_item *running_interfaces = NULL;
1377
1378 /* This is a weird one. The following string gets patched in the binary by the
1379 script that sets up a copy of Exim for running in the test harness. It seems
1380 that compilers are now clever, and share constant strings if they can.
1381 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1382 make use of the end of this string in order to save space. So the patching then
1383 wrecks this. We defeat this optimization by adding some additional characters
1384 onto the end of the string. */
1385
1386 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1387
1388 int     runrc                  = 0;
1389
1390 uschar *search_error_message   = NULL;
1391 uschar *self_hostname          = NULL;
1392 uschar *sender_address         = NULL;
1393 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1394 uschar *sender_address_data    = NULL;
1395 uschar *sender_address_unrewritten = NULL;
1396 uschar *sender_data            = NULL;
1397 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1398 uschar *sender_fullhost        = NULL;
1399 uschar *sender_helo_name       = NULL;
1400 uschar **sender_host_aliases   = &no_aliases;
1401 uschar *sender_host_address    = NULL;
1402 uschar *sender_host_authenticated = NULL;
1403 uschar *sender_host_auth_pubname  = NULL;
1404 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1405 uschar *sender_host_name       = NULL;
1406 int     sender_host_port       = 0;
1407 uschar *sender_ident           = NULL;
1408 uschar *sender_rate            = NULL;
1409 uschar *sender_rate_limit      = NULL;
1410 uschar *sender_rate_period     = NULL;
1411 uschar *sender_rcvhost         = NULL;
1412 uschar *sender_unqualified_hosts = NULL;
1413 uschar *sender_verify_failure = NULL;
1414 address_item *sender_verified_list  = NULL;
1415 address_item *sender_verified_failed = NULL;
1416 int     sender_verified_rc     = -1;
1417 uschar *sending_ip_address     = NULL;
1418 int     sending_port           = -1;
1419 SIGNAL_BOOL sigalrm_seen       = FALSE;
1420 const uschar *sigalarm_setter  = NULL;
1421 uschar **sighup_argv           = NULL;
1422 int     slow_lookup_log        = 0;     /* millisecs, zero disables */
1423 int     smtp_accept_count      = 0;
1424 int     smtp_accept_max        = 20;
1425 int     smtp_accept_max_nonmail= 10;
1426 uschar *smtp_accept_max_nonmail_hosts = US"*";
1427 int     smtp_accept_max_per_connection = 1000;
1428 uschar *smtp_accept_max_per_host = NULL;
1429 int     smtp_accept_queue      = 0;
1430 int     smtp_accept_queue_per_connection = 10;
1431 int     smtp_accept_reserve    = 0;
1432 uschar *smtp_active_hostname   = NULL;
1433 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1434                              "Exim $version_number $tod_full"
1435                              "\0<---------------Space to patch smtp_banner->";
1436 int     smtp_ch_index          = 0;
1437 uschar *smtp_cmd_argument      = NULL;
1438 uschar *smtp_cmd_buffer        = NULL;
1439 struct timeval smtp_connection_start  = {0,0};
1440 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1441 int     smtp_connect_backlog   = 20;
1442 double  smtp_delay_mail        = 0.0;
1443 double  smtp_delay_rcpt        = 0.0;
1444 FILE   *smtp_in                = NULL;
1445 int     smtp_load_reserve      = -1;
1446 int     smtp_mailcmd_count     = 0;
1447 FILE   *smtp_out               = NULL;
1448 uschar *smtp_etrn_command      = NULL;
1449 int     smtp_max_synprot_errors= 3;
1450 int     smtp_max_unknown_commands = 3;
1451 uschar *smtp_notquit_reason    = NULL;
1452 uschar *smtp_ratelimit_hosts   = NULL;
1453 uschar *smtp_ratelimit_mail    = NULL;
1454 uschar *smtp_ratelimit_rcpt    = NULL;
1455 uschar *smtp_read_error        = US"";
1456 int     smtp_receive_timeout   = 5*60;
1457 uschar *smtp_receive_timeout_s = NULL;
1458 uschar *smtp_reserve_hosts     = NULL;
1459 int     smtp_rlm_base          = 0;
1460 double  smtp_rlm_factor        = 0.0;
1461 int     smtp_rlm_limit         = 0;
1462 int     smtp_rlm_threshold     = INT_MAX;
1463 int     smtp_rlr_base          = 0;
1464 double  smtp_rlr_factor        = 0.0;
1465 int     smtp_rlr_limit         = 0;
1466 int     smtp_rlr_threshold     = INT_MAX;
1467 unsigned smtp_peer_options     = 0;
1468 unsigned smtp_peer_options_wrap= 0;
1469 #ifdef SUPPORT_I18N
1470 uschar *smtputf8_advertise_hosts = US"*";       /* overridden under test-harness */
1471 #endif
1472
1473 #ifdef WITH_CONTENT_SCAN
1474 uschar *spamd_address          = US"127.0.0.1 783";
1475 uschar *spam_bar               = NULL;
1476 uschar *spam_report            = NULL;
1477 uschar *spam_action            = NULL;
1478 uschar *spam_score             = NULL;
1479 uschar *spam_score_int         = NULL;
1480 #endif
1481 #ifdef SUPPORT_SPF
1482 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1483 uschar *spf_header_comment     = NULL;
1484 uschar *spf_received           = NULL;
1485 uschar *spf_result             = NULL;
1486 uschar *spf_smtp_comment       = NULL;
1487 #endif
1488
1489 FILE   *spool_data_file        = NULL;
1490 uschar *spool_directory        = US SPOOL_DIRECTORY
1491                            "\0<--------------Space to patch spool_directory->";
1492 #ifdef EXPERIMENTAL_SRS
1493 uschar *srs_config             = NULL;
1494 uschar *srs_db_address         = NULL;
1495 uschar *srs_db_key             = NULL;
1496 int     srs_hashlength         = 6;
1497 int     srs_hashmin            = -1;
1498 int     srs_maxage             = 31;
1499 uschar *srs_orig_recipient     = NULL;
1500 uschar *srs_orig_sender        = NULL;
1501 uschar *srs_recipient          = NULL;
1502 uschar *srs_secrets            = NULL;
1503 uschar *srs_status             = NULL;
1504 #endif
1505 #ifdef EXPERIMENTAL_SRS_NATIVE
1506 uschar *srs_recipient          = NULL;
1507 #endif
1508 int     string_datestamp_offset= -1;
1509 int     string_datestamp_length= 0;
1510 int     string_datestamp_type  = -1;
1511 uschar *submission_domain      = NULL;
1512 uschar *submission_name        = NULL;
1513 int     syslog_facility        = LOG_MAIL;
1514 uschar *syslog_processname     = US"exim";
1515 uschar *system_filter          = NULL;
1516
1517 uschar *system_filter_directory_transport = NULL;
1518 uschar *system_filter_file_transport = NULL;
1519 uschar *system_filter_pipe_transport = NULL;
1520 uschar *system_filter_reply_transport = NULL;
1521
1522 gid_t   system_filter_gid      = 0;
1523 uid_t   system_filter_uid      = (uid_t)-1;
1524
1525 blob    tcp_fastopen_nodata    = { .data = NULL, .len = 0 };
1526 tfo_state_t tcp_out_fastopen   = TFO_NOT_USED;
1527 #ifdef USE_TCP_WRAPPERS
1528 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1529 #endif
1530 int     test_harness_load_avg  = 0;
1531 int     thismessage_size_limit = 0;
1532 int     timeout_frozen_after   = 0;
1533 #ifdef MEASURE_TIMING
1534 struct timeval timestamp_startup;
1535 #endif
1536
1537 transport_instance  *transports = NULL;
1538
1539 transport_instance  transport_defaults = {
1540     .next =                     NULL,
1541     .name =                     NULL,
1542     .info =                     NULL,
1543     .options_block =            NULL,
1544     .driver_name =              NULL,
1545     .setup =                    NULL,
1546     .batch_max =                1,
1547     .batch_id =                 NULL,
1548     .home_dir =                 NULL,
1549     .current_dir =              NULL,
1550     .expand_multi_domain =      NULL,
1551     .multi_domain =             TRUE,
1552     .overrides_hosts =          FALSE,
1553     .max_addresses =            100,
1554     .connection_max_messages =  500,
1555     .deliver_as_creator =       FALSE,
1556     .disable_logging =          FALSE,
1557     .initgroups =               FALSE,
1558     .uid_set =                  FALSE,
1559     .gid_set =                  FALSE,
1560     .uid =                      (uid_t)(-1),
1561     .gid =                      (gid_t)(-1),
1562     .expand_uid =               NULL,
1563     .expand_gid =               NULL,
1564     .warn_message =             NULL,
1565     .shadow =                   NULL,
1566     .shadow_condition =         NULL,
1567     .filter_command =           NULL,
1568     .add_headers =              NULL,
1569     .remove_headers =           NULL,
1570     .return_path =              NULL,
1571     .debug_string =             NULL,
1572     .max_parallel =             NULL,
1573     .message_size_limit =       NULL,
1574     .headers_rewrite =          NULL,
1575     .rewrite_rules =            NULL,
1576     .rewrite_existflags =       0,
1577     .filter_timeout =           300,
1578     .body_only =                FALSE,
1579     .delivery_date_add =        FALSE,
1580     .envelope_to_add =          FALSE,
1581     .headers_only =             FALSE,
1582     .rcpt_include_affixes =     FALSE,
1583     .return_path_add =          FALSE,
1584     .return_output =            FALSE,
1585     .return_fail_output =       FALSE,
1586     .log_output =               FALSE,
1587     .log_fail_output =          FALSE,
1588     .log_defer_output =         FALSE,
1589     .retry_use_local_part =     TRUE_UNSET,     /* retry_use_local_part: BOOL, but set neither
1590                                                  1 nor 0 so can detect unset */
1591 #ifndef DISABLE_EVENT
1592    .event_action =              NULL
1593 #endif
1594 };
1595
1596 int     transport_count;
1597 uschar *transport_name          = NULL;
1598 int     transport_newlines;
1599 const uschar **transport_filter_argv  = NULL;
1600 int     transport_filter_timeout;
1601 int     transport_write_timeout= 0;
1602
1603 tree_node  *tree_dns_fails     = NULL;
1604 tree_node  *tree_duplicates    = NULL;
1605 tree_node  *tree_nonrecipients = NULL;
1606 tree_node  *tree_unusable      = NULL;
1607
1608 gid_t  *trusted_groups         = NULL;
1609 uid_t  *trusted_users          = NULL;
1610 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1611
1612 uschar *unknown_login          = NULL;
1613 uschar *unknown_username       = NULL;
1614 uschar *untrusted_set_sender   = NULL;
1615
1616 /*  A regex for matching a "From_" line in an incoming message, in the form
1617
1618     From ph10 Fri Jan  5 12:35 GMT 1996
1619
1620 which  the "mail" commands send to the MTA (undocumented, of course), or in
1621 the  form
1622
1623     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1624
1625 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1626 Because  of variations in time formats, just match up to the minutes. That
1627 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1628 so  just require one digit for hours and minutes. The weekday is also absent
1629 in  some forms. */
1630
1631 uschar *uucp_from_pattern      = US
1632    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1633    "(?:"                                          /* Non-extracting bracket */
1634    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1635    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1636    ")"                                            /* End alternation */
1637    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1638
1639 uschar *uucp_from_sender       = US"$1";
1640
1641 uschar *verify_mode            = NULL;
1642 uschar *version_copyright      =
1643  US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1644    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1645 uschar *version_date           = US"?";
1646 uschar *version_cnumber        = US"????";
1647 uschar *version_string         = US"?";
1648
1649 uschar *warn_message_file      = NULL;
1650 int     warning_count          = 0;
1651 uschar *warnmsg_delay          = NULL;
1652 uschar *warnmsg_recipients     = NULL;
1653
1654
1655 /*  End of globals.c */