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                  (void *)(offsetof(auth_instance, client_condition)) },
  20   { "client_set_id", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, set_client_id)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(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  .bits =                0,
 107  .certificate_verified = FALSE,
 108 #ifdef SUPPORT_DANE
 109  .dane_verified =       FALSE,
 110  .tlsa_usage =          0,
 111 #endif
 112  .cipher =              NULL,
 113  .on_connect =          FALSE,
 114  .on_connect_ports =    NULL,
 115  .ourcert =             NULL,
 116  .peercert =            NULL,
 117  .peerdn =              NULL,
 118  .sni =                 NULL,
 119  .ocsp =                OCSP_NOT_REQ
 120 };
 121 tls_support tls_out = {
 122  .active =              {.sock = -1},
 123  .bits =                0,
 124  .certificate_verified = FALSE,
 125 #ifdef SUPPORT_DANE
 126  .dane_verified =       FALSE,
 127  .tlsa_usage =          0,
 128 #endif
 129  .cipher =              NULL,
 130  .on_connect =          FALSE,
 131  .on_connect_ports =    NULL,
 132  .ourcert =             NULL,
 133  .peercert =            NULL,
 134  .peerdn =              NULL,
 135  .sni =                 NULL,
 136  .ocsp =                OCSP_NOT_REQ
 137 };
 138
 139 BOOL tls_pre_flight_checks     = TRUE;  /* do the TLS checks at readconf time */
 140
 141 uschar *dsn_envid              = NULL;
 142 int     dsn_ret                = 0;
 143 const pcre  *regex_DSN         = NULL;
 144 uschar *dsn_advertise_hosts    = NULL;
 145
 146 #ifdef SUPPORT_TLS
 147 BOOL    gnutls_compat_mode     = FALSE;
 148 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 149 uschar *openssl_options        = NULL;
 150 const pcre *regex_STARTTLS     = NULL;
 151 uschar *tls_advertise_hosts    = US"*";
 152 uschar *tls_certificate        = NULL;
 153 uschar *tls_crl                = NULL;
 154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 155 that's the interop problem which has been observed: GnuTLS suggesting a higher
 156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 157 int     tls_dh_max_bits        = 2236;
 158 uschar *tls_dhparam            = NULL;
 159 uschar *tls_eccurve            = US"auto";
 160 # ifndef DISABLE_OCSP
 161 uschar *tls_ocsp_file          = NULL;
 162 # endif
 163 uschar *tls_privatekey         = NULL;
 164 BOOL    tls_remember_esmtp     = FALSE;
 165 uschar *tls_require_ciphers    = NULL;
 166 # ifdef EXPERIMENTAL_REQUIRETLS
 167 uschar  tls_requiretls         = 0;     /* REQUIRETLS_MSG etc. bit #defines */
 168 uschar *tls_advertise_requiretls = US"*";
 169 const pcre *regex_REQUIRETLS   = NULL;
 170 # endif
 171 uschar *tls_try_verify_hosts   = NULL;
 172 uschar *tls_verify_certificates= US"system";
 173 uschar *tls_verify_hosts       = NULL;
 174 #else   /*!SUPPORT_TLS*/
 175 uschar *tls_advertise_hosts    = NULL;
 176 #endif
 177
 178 #ifndef DISABLE_PRDR
 179 /* Per Recipient Data Response variables */
 180 BOOL    prdr_enable            = FALSE;
 181 BOOL    prdr_requested         = FALSE;
 182 const pcre *regex_PRDR         = NULL;
 183 #endif
 184
 185 #ifdef SUPPORT_I18N
 186 const pcre *regex_UTF8         = NULL;
 187 #endif
 188
 189 /* Input-reading functions for messages, so we can use special ones for
 190 incoming TCP/IP. The defaults use stdin. We never need these for any
 191 stand-alone tests. */
 192
 193 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
 194 int (*lwr_receive_getc)(unsigned) = stdin_getc;
 195 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
 196 int (*lwr_receive_ungetc)(int) = stdin_ungetc;
 197 int (*receive_getc)(unsigned)  = stdin_getc;
 198 uschar * (*receive_getbuf)(unsigned *)  = NULL;
 199 void (*receive_get_cache)(void)= NULL;
 200 int (*receive_ungetc)(int)     = stdin_ungetc;
 201 int (*receive_feof)(void)      = stdin_feof;
 202 int (*receive_ferror)(void)    = stdin_ferror;
 203 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 204 #endif
 205
 206
 207 /* List of per-address expansion variables for clearing and saving/restoring
 208 when verifying one address while routing/verifying another. We have to have
 209 the size explicit, because it is referenced from more than one module. */
 210
 211 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 212   CUSS &deliver_address_data,
 213   CUSS &deliver_domain,
 214   CUSS &deliver_domain_data,
 215   CUSS &deliver_domain_orig,
 216   CUSS &deliver_domain_parent,
 217   CUSS &deliver_localpart,
 218   CUSS &deliver_localpart_data,
 219   CUSS &deliver_localpart_orig,
 220   CUSS &deliver_localpart_parent,
 221   CUSS &deliver_localpart_prefix,
 222   CUSS &deliver_localpart_suffix,
 223   CUSS (uschar **)(&deliver_recipients),
 224   CUSS &deliver_host,
 225   CUSS &deliver_home,
 226   CUSS &address_file,
 227   CUSS &address_pipe,
 228   CUSS &self_hostname,
 229   NULL };
 230
 231 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 232
 233 /******************************************************************************/
 234 /* General global variables.  Boolean flags are done as a group
 235 so that only one bit each is needed, packed, for all those we never
 236 need to take a pointer - and only a char for the rest.
 237 This means a struct, unfortunately since it clutters the sourcecode. */
 238
 239 struct global_flags f =
 240 {
 241         .acl_temp_details       = FALSE,
 242         .active_local_from_check = FALSE,
 243         .active_local_sender_retain = FALSE,
 244         .address_test_mode      = FALSE,
 245         .admin_user             = FALSE,
 246         .allow_auth_unadvertised= FALSE,
 247         .allow_unqualified_recipient = TRUE,    /* For local messages */
 248         .allow_unqualified_sender = TRUE,       /* Reset for SMTP */
 249         .authentication_local   = FALSE,
 250
 251         .background_daemon      = TRUE,
 252
 253         .chunking_offered       = FALSE,
 254         .config_changed         = FALSE,
 255         .continue_more          = FALSE,
 256
 257         .daemon_listen          = FALSE,
 258         .debug_daemon           = FALSE,
 259         .deliver_firsttime      = FALSE,
 260         .deliver_force          = FALSE,
 261         .deliver_freeze         = FALSE,
 262         .deliver_force_thaw     = FALSE,
 263         .deliver_manual_thaw    = FALSE,
 264         .deliver_selectstring_regex = FALSE,
 265         .deliver_selectstring_sender_regex = FALSE,
 266         .disable_callout_flush  = FALSE,
 267         .disable_delay_flush    = FALSE,
 268         .disable_logging        = FALSE,
 269 #ifndef DISABLE_DKIM
 270         .dkim_disable_verify      = FALSE,
 271 #endif
 272 #ifdef EXPERIMENTAL_DMARC
 273         .dmarc_has_been_checked  = FALSE,
 274         .dmarc_disable_verify    = FALSE,
 275         .dmarc_enable_forensic   = FALSE,
 276 #endif
 277         .dont_deliver           = FALSE,
 278         .dot_ends               = TRUE,
 279
 280         .enable_dollar_recipients = FALSE,
 281         .expand_string_forcedfail = FALSE,
 282
 283         .filter_running         = FALSE,
 284
 285         .header_rewritten       = FALSE,
 286         .helo_verified          = FALSE,
 287         .helo_verify_failed     = FALSE,
 288         .host_checking_callout  = FALSE,
 289         .host_find_failed_syntax= FALSE,
 290
 291         .inetd_wait_mode        = FALSE,
 292         .is_inetd               = FALSE,
 293
 294         .local_error_message    = FALSE,
 295         .log_testing_mode       = FALSE,
 296
 297 #ifdef WITH_CONTENT_SCAN
 298         .no_mbox_unspool        = FALSE,
 299 #endif
 300         .no_multiline_responses = FALSE,
 301
 302         .parse_allow_group      = FALSE,
 303         .parse_found_group      = FALSE,
 304         .pipelining_enable      = TRUE,
 305 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
 306         .proxy_session_failed   = FALSE,
 307 #endif
 308
 309         .queue_2stage           = FALSE,
 310         .queue_only_policy      = FALSE,
 311         .queue_run_first_delivery = FALSE,
 312         .queue_run_force        = FALSE,
 313         .queue_run_local        = FALSE,
 314         .queue_running          = FALSE,
 315         .queue_smtp             = FALSE,
 316
 317         .really_exim            = TRUE,
 318         .receive_call_bombout   = FALSE,
 319         .recipients_discarded   = FALSE,
 320         .running_in_test_harness = FALSE,
 321
 322         .search_find_defer      = FALSE,
 323         .sender_address_forced  = FALSE,
 324         .sender_host_notsocket  = FALSE,
 325         .sender_host_unknown    = FALSE,
 326         .sender_local           = FALSE,
 327         .sender_name_forced     = FALSE,
 328         .sender_set_untrusted   = FALSE,
 329         .smtp_authenticated     = FALSE,
 330 #ifdef EXPERIMENTAL_PIPE_CONNECT
 331         .smtp_in_early_pipe_advertised = FALSE,
 332         .smtp_in_early_pipe_no_auth = FALSE,
 333         .smtp_in_early_pipe_used = FALSE,
 334 #endif
 335         .smtp_in_pipelining_advertised = FALSE,
 336         .smtp_in_pipelining_used = FALSE,
 337         .spool_file_wireformat  = FALSE,
 338         .submission_mode        = FALSE,
 339         .suppress_local_fixups  = FALSE,
 340         .suppress_local_fixups_default = FALSE,
 341         .synchronous_delivery   = FALSE,
 342         .system_filtering       = FALSE,
 343
 344         .tcp_fastopen_ok        = FALSE,
 345         .tcp_in_fastopen        = FALSE,
 346         .tcp_in_fastopen_data   = FALSE,
 347         .tcp_in_fastopen_logged = FALSE,
 348         .tcp_out_fastopen_logged= FALSE,
 349         .timestamps_utc         = FALSE,
 350         .transport_filter_timed_out = FALSE,
 351         .trusted_caller         = FALSE,
 352         .trusted_config         = TRUE,
 353 };
 354
 355 /******************************************************************************/
 356 /* These are the flags which are either variables or mainsection options,
 357 so an address is needed for access, or are exported to local_scan. */
 358
 359 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 360 BOOL    allow_domain_literals  = FALSE;
 361 BOOL    allow_mx_to_ip         = FALSE;
 362 BOOL    allow_utf8_domains     = FALSE;
 363 BOOL    authentication_failed  = FALSE;
 364
 365 BOOL    bounce_return_body     = TRUE;
 366 BOOL    bounce_return_message  = TRUE;
 367 BOOL    check_rfc2047_length   = TRUE;
 368 BOOL    commandline_checks_require_admin = FALSE;
 369
 370 #ifdef EXPERIMENTAL_DCC
 371 BOOL    dcc_direct_add_header  = FALSE;
 372 #endif
 373 BOOL    debug_store            = FALSE;
 374 BOOL    delivery_date_remove   = TRUE;
 375 BOOL    deliver_drop_privilege = FALSE;
 376 #ifdef ENABLE_DISABLE_FSYNC
 377 BOOL    disable_fsync          = FALSE;
 378 #endif
 379 BOOL    disable_ipv6           = FALSE;
 380 BOOL    dns_csa_use_reverse    = TRUE;
 381 BOOL    drop_cr                = FALSE;         /* No longer used */
 382
 383 BOOL    envelope_to_remove     = TRUE;
 384 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 385 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 386 BOOL    extract_addresses_remove_arguments = TRUE;
 387
 388 BOOL    host_checking          = FALSE;
 389 BOOL    host_lookup_deferred   = FALSE;
 390 BOOL    host_lookup_failed     = FALSE;
 391 BOOL    ignore_fromline_local  = FALSE;
 392
 393 BOOL    local_from_check       = TRUE;
 394 BOOL    local_sender_retain    = FALSE;
 395 BOOL    log_timezone           = FALSE;
 396 BOOL    message_body_newlines  = FALSE;
 397 BOOL    message_logs           = TRUE;
 398 #ifdef SUPPORT_I18N
 399 BOOL    message_smtputf8       = FALSE;
 400 #endif
 401 BOOL    mua_wrapper            = FALSE;
 402
 403 BOOL    preserve_message_logs  = FALSE;
 404 BOOL    print_topbitchars      = FALSE;
 405 BOOL    prod_requires_admin    = TRUE;
 406 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
 407 BOOL    proxy_session          = FALSE;
 408 #endif
 409
 410 BOOL    queue_list_requires_admin = TRUE;
 411 BOOL    queue_only             = FALSE;
 412 BOOL    queue_only_load_latch  = TRUE;
 413 BOOL    queue_only_override    = TRUE;
 414 BOOL    queue_run_in_order     = FALSE;
 415 BOOL    recipients_max_reject  = FALSE;
 416 BOOL    return_path_remove     = TRUE;
 417
 418 BOOL    smtp_batched_input     = FALSE;
 419 BOOL    sender_helo_dnssec     = FALSE;
 420 BOOL    sender_host_dnssec     = FALSE;
 421 BOOL    smtp_accept_keepalive  = TRUE;
 422 BOOL    smtp_check_spool_space = TRUE;
 423 BOOL    smtp_enforce_sync      = TRUE;
 424 BOOL    smtp_etrn_serialize    = TRUE;
 425 BOOL    smtp_input             = FALSE;
 426 BOOL    smtp_return_error_details = FALSE;
 427 #ifdef SUPPORT_SPF
 428 BOOL    spf_result_guessed     = FALSE;
 429 #endif
 430 BOOL    split_spool_directory  = FALSE;
 431 BOOL    spool_wireformat       = FALSE;
 432 #ifdef EXPERIMENTAL_SRS
 433 BOOL    srs_usehash            = TRUE;
 434 BOOL    srs_usetimestamp       = TRUE;
 435 #endif
 436 BOOL    strict_acl_vars        = FALSE;
 437 BOOL    strip_excess_angle_brackets = FALSE;
 438 BOOL    strip_trailing_dot     = FALSE;
 439 BOOL    syslog_duplication     = TRUE;
 440 BOOL    syslog_pid             = TRUE;
 441 BOOL    syslog_timestamp       = TRUE;
 442 BOOL    system_filter_gid_set  = FALSE;
 443 BOOL    system_filter_uid_set  = FALSE;
 444
 445 BOOL    tcp_nodelay            = TRUE;
 446 BOOL    write_rejectlog        = TRUE;
 447
 448 /******************************************************************************/
 449
 450 header_line *acl_added_headers = NULL;
 451 tree_node *acl_anchor          = NULL;
 452 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 453                                   NULL, NULL, NULL, NULL};
 454 int     acl_narg               = 0;
 455
 456 int     acl_level              = 0;
 457
 458 uschar *acl_not_smtp           = NULL;
 459 #ifdef WITH_CONTENT_SCAN
 460 uschar *acl_not_smtp_mime      = NULL;
 461 #endif
 462 uschar *acl_not_smtp_start     = NULL;
 463 uschar *acl_removed_headers    = NULL;
 464 uschar *acl_smtp_auth          = NULL;
 465 uschar *acl_smtp_connect       = NULL;
 466 uschar *acl_smtp_data          = NULL;
 467 #ifndef DISABLE_PRDR
 468 uschar *acl_smtp_data_prdr     = US"accept";
 469 #endif
 470 #ifndef DISABLE_DKIM
 471 uschar *acl_smtp_dkim          = NULL;
 472 #endif
 473 uschar *acl_smtp_etrn          = NULL;
 474 uschar *acl_smtp_expn          = NULL;
 475 uschar *acl_smtp_helo          = NULL;
 476 uschar *acl_smtp_mail          = NULL;
 477 uschar *acl_smtp_mailauth      = NULL;
 478 #ifdef WITH_CONTENT_SCAN
 479 uschar *acl_smtp_mime          = NULL;
 480 #endif
 481 uschar *acl_smtp_notquit       = NULL;
 482 uschar *acl_smtp_predata       = NULL;
 483 uschar *acl_smtp_quit          = NULL;
 484 uschar *acl_smtp_rcpt          = NULL;
 485 uschar *acl_smtp_starttls      = NULL;
 486 uschar *acl_smtp_vrfy          = NULL;
 487
 488 tree_node *acl_var_c           = NULL;
 489 tree_node *acl_var_m           = NULL;
 490 uschar *acl_verify_message     = NULL;
 491 string_item *acl_warn_logged   = NULL;
 492
 493 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 494 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 495
 496 uschar *acl_wherenames[]       = { US"RCPT",
 497                                    US"MAIL",
 498                                    US"PREDATA",
 499                                    US"MIME",
 500                                    US"DKIM",
 501                                    US"DATA",
 502 #ifndef DISABLE_PRDR
 503                                    US"PRDR",
 504 #endif
 505                                    US"non-SMTP",
 506                                    US"AUTH",
 507                                    US"connection",
 508                                    US"ETRN",
 509                                    US"EXPN",
 510                                    US"EHLO or HELO",
 511                                    US"MAILAUTH",
 512                                    US"non-SMTP-start",
 513                                    US"NOTQUIT",
 514                                    US"QUIT",
 515                                    US"STARTTLS",
 516                                    US"VRFY",
 517                                    US"delivery",
 518                                    US"unknown"
 519                                  };
 520
 521 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 522                                    US"550",     /* MAIL */
 523                                    US"550",     /* PREDATA */
 524                                    US"550",     /* MIME */
 525                                    US"550",     /* DKIM */
 526                                    US"550",     /* DATA */
 527 #ifndef DISABLE_PRDR
 528                                    US"550",    /* RCPT PRDR */
 529 #endif
 530                                    US"0",       /* not SMTP; not relevant */
 531                                    US"503",     /* AUTH */
 532                                    US"550",     /* connect */
 533                                    US"458",     /* ETRN */
 534                                    US"550",     /* EXPN */
 535                                    US"550",     /* HELO/EHLO */
 536                                    US"0",       /* MAILAUTH; not relevant */
 537                                    US"0",       /* not SMTP; not relevant */
 538                                    US"0",       /* NOTQUIT; not relevant */
 539                                    US"0",       /* QUIT; not relevant */
 540                                    US"550",     /* STARTTLS */
 541                                    US"252",     /* VRFY */
 542                                    US"0",       /* delivery; not relevant */
 543                                    US"0"        /* unknown; not relevant */
 544                                  };
 545
 546 uschar *add_environment        = NULL;
 547 address_item  *addr_duplicate  = NULL;
 548
 549 address_item address_defaults = {
 550   .next =               NULL,
 551   .parent =             NULL,
 552   .first =              NULL,
 553   .dupof =              NULL,
 554   .start_router =       NULL,
 555   .router =             NULL,
 556   .transport =          NULL,
 557   .host_list =          NULL,
 558   .host_used =          NULL,
 559   .fallback_hosts =     NULL,
 560   .reply =              NULL,
 561   .retries =            NULL,
 562   .address =            NULL,
 563   .unique =             NULL,
 564   .cc_local_part =      NULL,
 565   .lc_local_part =      NULL,
 566   .local_part =         NULL,
 567   .prefix =             NULL,
 568   .suffix =             NULL,
 569   .domain =             NULL,
 570   .address_retry_key =  NULL,
 571   .domain_retry_key =   NULL,
 572   .current_dir =        NULL,
 573   .home_dir =           NULL,
 574   .message =            NULL,
 575   .user_message =       NULL,
 576   .onetime_parent =     NULL,
 577   .pipe_expandn =       NULL,
 578   .return_filename =    NULL,
 579   .self_hostname =      NULL,
 580   .shadow_message =     NULL,
 581 #ifdef SUPPORT_TLS
 582   .cipher =             NULL,
 583   .ourcert =            NULL,
 584   .peercert =           NULL,
 585   .peerdn =             NULL,
 586   .ocsp =               OCSP_NOT_REQ,
 587 #endif
 588 #ifdef EXPERIMENTAL_DSN_INFO
 589   .smtp_greeting =      NULL,
 590   .helo_response =      NULL,
 591 #endif
 592   .authenticator =      NULL,
 593   .auth_id =            NULL,
 594   .auth_sndr =          NULL,
 595   .dsn_orcpt =          NULL,
 596   .dsn_flags =          0,
 597   .dsn_aware =          0,
 598   .uid =                (uid_t)(-1),
 599   .gid =                (gid_t)(-1),
 600   .flags =              { 0 },
 601   .domain_cache =       { 0 },                /* domain_cache - any larger array should be zeroed */
 602   .localpart_cache =    { 0 },                /* localpart_cache - ditto */
 603   .mode =               -1,
 604   .more_errno =         0,
 605   .delivery_usec =      0,
 606   .basic_errno =        ERRNO_UNKNOWNERROR,
 607   .child_count =        0,
 608   .return_file =        -1,
 609   .special_action =     SPECIAL_NONE,
 610   .transport_return =   DEFER,
 611   .prop = {                                     /* fields that are propagated to children */
 612     .address_data =     NULL,
 613     .domain_data =      NULL,
 614     .localpart_data =   NULL,
 615     .errors_address =   NULL,
 616     .extra_headers =    NULL,
 617     .remove_headers =   NULL,
 618 #ifdef EXPERIMENTAL_SRS
 619     .srs_sender =       NULL,
 620 #endif
 621     .ignore_error =     FALSE,
 622 #ifdef SUPPORT_I18N
 623     .utf8_msg =         FALSE,
 624     .utf8_downcvt =     FALSE,
 625     .utf8_downcvt_maybe = FALSE
 626 #endif
 627   }
 628 };
 629
 630 uschar *address_file           = NULL;
 631 uschar *address_pipe           = NULL;
 632 tree_node *addresslist_anchor  = NULL;
 633 int     addresslist_count      = 0;
 634 gid_t  *admin_groups           = NULL;
 635
 636 #ifdef EXPERIMENTAL_ARC
 637 struct arc_set *arc_received    = NULL;
 638 int     arc_received_instance   = 0;
 639 int     arc_oldest_pass         = 0;
 640 const uschar *arc_state         = NULL;
 641 const uschar *arc_state_reason  = NULL;
 642 #endif
 643
 644 uschar *authenticated_fail_id  = NULL;
 645 uschar *authenticated_id       = NULL;
 646 uschar *authenticated_sender   = NULL;
 647 auth_instance  *auths          = NULL;
 648 uschar *auth_advertise_hosts   = US"*";
 649 auth_instance auth_defaults    = {
 650     .next =             NULL,
 651     .name =             NULL,
 652     .info =             NULL,
 653     .options_block =    NULL,
 654     .driver_name =      NULL,
 655     .advertise_condition = NULL,
 656     .client_condition = NULL,
 657     .public_name =      NULL,
 658     .set_id =           NULL,
 659     .set_client_id =    NULL,
 660     .mail_auth_condition = NULL,
 661     .server_debug_string = NULL,
 662     .server_condition = NULL,
 663     .client =           FALSE,
 664     .server =           FALSE,
 665     .advertised =       FALSE
 666 };
 667
 668 uschar *auth_defer_msg         = US"reason not recorded";
 669 uschar *auth_defer_user_msg    = US"";
 670 uschar *auth_vars[AUTH_VARS];
 671 int     auto_thaw              = 0;
 672 #ifdef WITH_CONTENT_SCAN
 673 int     av_failed              = FALSE; /* boolean but accessed as vtype_int*/
 674 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 675 #endif
 676
 677 #if BASE_62 == 62
 678 uschar *base62_chars=
 679     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 680 #else
 681 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 682 #endif
 683
 684 uschar *bi_command             = NULL;
 685 uschar *big_buffer             = NULL;
 686 int     big_buffer_size        = BIG_BUFFER_SIZE;
 687 #ifdef EXPERIMENTAL_BRIGHTMAIL
 688 uschar *bmi_alt_location       = NULL;
 689 uschar *bmi_base64_tracker_verdict = NULL;
 690 uschar *bmi_base64_verdict     = NULL;
 691 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 692 int     bmi_deliver            = 1;
 693 int     bmi_run                = 0;
 694 uschar *bmi_verdicts           = NULL;
 695 #endif
 696 int     bsmtp_transaction_linecount = 0;
 697 int     body_8bitmime          = 0;
 698 int     body_linecount         = 0;
 699 int     body_zerocount         = 0;
 700 uschar *bounce_message_file    = NULL;
 701 uschar *bounce_message_text    = NULL;
 702 uschar *bounce_recipient       = NULL;
 703 int     bounce_return_linesize_limit = 998;
 704 int     bounce_return_size_limit = 100*1024;
 705 uschar *bounce_sender_authentication = NULL;
 706
 707 uschar *callout_address        = NULL;
 708 int     callout_cache_domain_positive_expire = 7*24*60*60;
 709 int     callout_cache_domain_negative_expire = 3*60*60;
 710 int     callout_cache_positive_expire = 24*60*60;
 711 int     callout_cache_negative_expire = 2*60*60;
 712 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 713 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 714 int     check_log_inodes       = 100;
 715 int_eximarith_t check_log_space = 10*1024;      /* 10K Kbyte == 10MB */
 716 int     check_spool_inodes     = 100;
 717 int_eximarith_t check_spool_space = 10*1024;    /* 10K Kbyte == 10MB */
 718
 719 uschar *chunking_advertise_hosts = US"*";
 720 unsigned chunking_datasize     = 0;
 721 unsigned chunking_data_left    = 0;
 722 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
 723 const pcre *regex_CHUNKING     = NULL;
 724
 725 uschar *client_authenticator   = NULL;
 726 uschar *client_authenticated_id = NULL;
 727 uschar *client_authenticated_sender = NULL;
 728 int     clmacro_count          = 0;
 729 uschar *clmacros[MAX_CLMACROS];
 730 FILE   *config_file            = NULL;
 731 const uschar *config_filename  = NULL;
 732 int     config_lineno          = 0;
 733 #ifdef CONFIGURE_GROUP
 734 gid_t   config_gid             = CONFIGURE_GROUP;
 735 #else
 736 gid_t   config_gid             = 0;
 737 #endif
 738 uschar *config_main_filelist   = US CONFIGURE_FILE
 739                          "\0<-----------Space to patch configure_filename->";
 740 uschar *config_main_filename   = NULL;
 741 uschar *config_main_directory  = NULL;
 742
 743 #ifdef CONFIGURE_OWNER
 744 uid_t   config_uid             = CONFIGURE_OWNER;
 745 #else
 746 uid_t   config_uid             = 0;
 747 #endif
 748
 749 int     connection_max_messages= -1;
 750 uschar *continue_proxy_cipher  = NULL;
 751 uschar *continue_hostname      = NULL;
 752 uschar *continue_host_address  = NULL;
 753 int     continue_sequence      = 1;
 754 uschar *continue_transport     = NULL;
 755
 756 uschar *csa_status             = NULL;
 757 cut_t   cutthrough = {
 758   .callout_hold_only =  FALSE,                          /* verify-only: normal delivery */
 759   .delivery =           FALSE,                          /* when to attempt */
 760   .defer_pass =         FALSE,                          /* on defer: spool locally */
 761   .is_tls =             FALSE,                          /* not a TLS conn yet */
 762   .cctx =               {.sock = -1},                   /* open connection */
 763   .nrcpt =              0,                              /* number of addresses */
 764 };
 765
 766 uschar *daemon_smtp_port       = US"smtp";
 767 int     daemon_startup_retries = 9;
 768 int     daemon_startup_sleep   = 30;
 769
 770 #ifdef EXPERIMENTAL_DCC
 771 uschar *dcc_header             = NULL;
 772 uschar *dcc_result             = NULL;
 773 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 774 uschar *dccifd_options         = US"header";
 775 #endif
 776
 777 int     debug_fd               = -1;
 778 FILE   *debug_file             = NULL;
 779 int     debug_notall[]         = {
 780   Di_memory,
 781   Di_noutf8,
 782   -1
 783 };
 784 bit_table debug_options[]      = { /* must be in alphabetical order and use
 785                                  only the enum values from macro.h */
 786   BIT_TABLE(D, acl),
 787   BIT_TABLE(D, all),
 788   BIT_TABLE(D, auth),
 789   BIT_TABLE(D, deliver),
 790   BIT_TABLE(D, dns),
 791   BIT_TABLE(D, dnsbl),
 792   BIT_TABLE(D, exec),
 793   BIT_TABLE(D, expand),
 794   BIT_TABLE(D, filter),
 795   BIT_TABLE(D, hints_lookup),
 796   BIT_TABLE(D, host_lookup),
 797   BIT_TABLE(D, ident),
 798   BIT_TABLE(D, interface),
 799   BIT_TABLE(D, lists),
 800   BIT_TABLE(D, load),
 801   BIT_TABLE(D, local_scan),
 802   BIT_TABLE(D, lookup),
 803   BIT_TABLE(D, memory),
 804   BIT_TABLE(D, noutf8),
 805   BIT_TABLE(D, pid),
 806   BIT_TABLE(D, process_info),
 807   BIT_TABLE(D, queue_run),
 808   BIT_TABLE(D, receive),
 809   BIT_TABLE(D, resolver),
 810   BIT_TABLE(D, retry),
 811   BIT_TABLE(D, rewrite),
 812   BIT_TABLE(D, route),
 813   BIT_TABLE(D, timestamp),
 814   BIT_TABLE(D, tls),
 815   BIT_TABLE(D, transport),
 816   BIT_TABLE(D, uid),
 817   BIT_TABLE(D, verify),
 818 };
 819 int     debug_options_count    = nelem(debug_options);
 820
 821 unsigned int debug_selector    = 0;
 822 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 823 uschar *delay_warning_condition=
 824   US"${if or {"
 825             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 826             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 827             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 828             "} {no}{yes}}";
 829 uschar *deliver_address_data   = NULL;
 830 int     deliver_datafile       = -1;
 831 const uschar *deliver_domain   = NULL;
 832 uschar *deliver_domain_data    = NULL;
 833 const uschar *deliver_domain_orig = NULL;
 834 const uschar *deliver_domain_parent = NULL;
 835 time_t  deliver_frozen_at      = 0;
 836 uschar *deliver_home           = NULL;
 837 const uschar *deliver_host     = NULL;
 838 const uschar *deliver_host_address = NULL;
 839 int     deliver_host_port      = 0;
 840 uschar *deliver_in_buffer      = NULL;
 841 ino_t   deliver_inode          = 0;
 842 uschar *deliver_localpart      = NULL;
 843 uschar *deliver_localpart_data = NULL;
 844 uschar *deliver_localpart_orig = NULL;
 845 uschar *deliver_localpart_parent = NULL;
 846 uschar *deliver_localpart_prefix = NULL;
 847 uschar *deliver_localpart_suffix = NULL;
 848 uschar *deliver_out_buffer     = NULL;
 849 int     deliver_queue_load_max = -1;
 850 address_item  *deliver_recipients = NULL;
 851 uschar *deliver_selectstring   = NULL;
 852 uschar *deliver_selectstring_sender = NULL;
 853
 854 #ifndef DISABLE_DKIM
 855 unsigned dkim_collect_input      = 0;
 856 uschar *dkim_cur_signer          = NULL;
 857 int     dkim_key_length          = 0;
 858 void   *dkim_signatures          = NULL;
 859 uschar *dkim_signers             = NULL;
 860 uschar *dkim_signing_domain      = NULL;
 861 uschar *dkim_signing_selector    = NULL;
 862 uschar *dkim_verify_overall      = NULL;
 863 uschar *dkim_verify_signers      = US"$dkim_signers";
 864 uschar *dkim_verify_status       = NULL;
 865 uschar *dkim_verify_reason       = NULL;
 866 #endif
 867 #ifdef EXPERIMENTAL_DMARC
 868 uschar *dmarc_domain_policy     = NULL;
 869 uschar *dmarc_forensic_sender   = NULL;
 870 uschar *dmarc_history_file      = NULL;
 871 uschar *dmarc_status            = NULL;
 872 uschar *dmarc_status_text       = NULL;
 873 uschar *dmarc_tld_file          = NULL;
 874 uschar *dmarc_used_domain       = NULL;
 875 #endif
 876
 877 uschar *dns_again_means_nonexist = NULL;
 878 int     dns_csa_search_limit   = 5;
 879 int     dns_cname_loops        = 1;
 880 #ifdef SUPPORT_DANE
 881 int     dns_dane_ok            = -1;
 882 #endif
 883 uschar *dns_ipv4_lookup        = NULL;
 884 int     dns_retrans            = 0;
 885 int     dns_retry              = 0;
 886 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 887 uschar *dns_trust_aa           = NULL;
 888 int     dns_use_edns0          = -1; /* <0 = not coerced */
 889 uschar *dnslist_domain         = NULL;
 890 uschar *dnslist_matched        = NULL;
 891 uschar *dnslist_text           = NULL;
 892 uschar *dnslist_value          = NULL;
 893 tree_node *domainlist_anchor   = NULL;
 894 int     domainlist_count       = 0;
 895 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 896
 897 int     errno_quota            = ERRNO_QUOTA;
 898 uschar *errors_copy            = NULL;
 899 int     error_handling         = ERRORS_SENDER;
 900 uschar *errors_reply_to        = NULL;
 901 int     errors_sender_rc       = EXIT_FAILURE;
 902 #ifndef DISABLE_EVENT
 903 uschar *event_action             = NULL;        /* expansion for delivery events */
 904 uschar *event_data               = NULL;        /* auxiliary data variable for event */
 905 int     event_defer_errno        = 0;
 906 const uschar *event_name         = NULL;        /* event name variable */
 907 #endif
 908
 909
 910 gid_t   exim_gid               = EXIM_GID;
 911 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 912                         "\0<---------------Space to patch exim_path->";
 913 uid_t   exim_uid               = EXIM_UID;
 914 int     expand_level           = 0;             /* Nesting depth, indent for debug */
 915 int     expand_forbid          = 0;
 916 int     expand_nlength[EXPAND_MAXN+1];
 917 int     expand_nmax            = -1;
 918 uschar *expand_nstring[EXPAND_MAXN+1];
 919 uschar *expand_string_message;
 920 uschar *extra_local_interfaces = NULL;
 921
 922 int     fake_response          = OK;
 923 uschar *fake_response_text     = US"Your message has been rejected but is "
 924                                    "being kept for evaluation.\nIf it was a "
 925                                    "legitimate message, it may still be "
 926                                    "delivered to the target recipient(s).";
 927 int     filter_n[FILTER_VARIABLE_COUNT];
 928 int     filter_sn[FILTER_VARIABLE_COUNT];
 929 int     filter_test            = FTEST_NONE;
 930 uschar *filter_test_sfile      = NULL;
 931 uschar *filter_test_ufile      = NULL;
 932 uschar *filter_thisaddress     = NULL;
 933 int     finduser_retries       = 0;
 934 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 935 uschar *freeze_tell            = NULL;
 936 uschar *freeze_tell_config     = NULL;
 937 uschar *fudged_queue_times     = US"";
 938
 939 uschar *gecos_name             = NULL;
 940 uschar *gecos_pattern          = NULL;
 941 rewrite_rule  *global_rewrite_rules = NULL;
 942
 943 volatile sig_atomic_t had_command_timeout = 0;
 944 volatile sig_atomic_t had_command_sigterm = 0;
 945 volatile sig_atomic_t had_data_timeout    = 0;
 946 volatile sig_atomic_t had_data_sigint     = 0;
 947 uschar *headers_charset        = US HEADERS_CHARSET;
 948 int     header_insert_maxlen   = 64 * 1024;
 949 header_line  *header_last      = NULL;
 950 header_line  *header_list      = NULL;
 951 int     header_maxsize         = HEADER_MAXSIZE;
 952 int     header_line_maxsize    = 0;
 953
 954 header_name header_names[] = {
 955   /* name               len     allow_resent    htype */
 956   { US"bcc",            3,      TRUE,           htype_bcc },
 957   { US"cc",             2,      TRUE,           htype_cc },
 958   { US"date",           4,      TRUE,           htype_date },
 959   { US"delivery-date", 13,      FALSE,          htype_delivery_date },
 960   { US"envelope-to",   11,      FALSE,          htype_envelope_to },
 961   { US"from",           4,      TRUE,           htype_from },
 962   { US"message-id",    10,      TRUE,           htype_id },
 963   { US"received",       8,      FALSE,          htype_received },
 964   { US"reply-to",       8,      FALSE,          htype_reply_to },
 965   { US"return-path",   11,      FALSE,          htype_return_path },
 966   { US"sender",         6,      TRUE,           htype_sender },
 967   { US"subject",        7,      FALSE,          htype_subject },
 968   { US"to",             2,      TRUE,           htype_to }
 969 };
 970
 971 int header_names_size          = nelem(header_names);
 972
 973 uschar *helo_accept_junk_hosts = NULL;
 974 uschar *helo_allow_chars       = US"";
 975 uschar *helo_lookup_domains    = US"@ : @[]";
 976 uschar *helo_try_verify_hosts  = NULL;
 977 uschar *helo_verify_hosts      = NULL;
 978 const uschar *hex_digits       = CUS"0123456789abcdef";
 979 uschar *hold_domains           = NULL;
 980 uschar *host_data              = NULL;
 981 uschar *host_lookup            = NULL;
 982 uschar *host_lookup_order      = US"bydns:byaddr";
 983 uschar *host_lookup_msg        = US"";
 984 int     host_number            = 0;
 985 uschar *host_number_string     = NULL;
 986 uschar *host_reject_connection = NULL;
 987 tree_node *hostlist_anchor     = NULL;
 988 int     hostlist_count         = 0;
 989 uschar *hosts_treat_as_local   = NULL;
 990 uschar *hosts_connection_nolog = NULL;
 991
 992 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 993 uschar *ignore_fromline_hosts  = NULL;
 994 int     inetd_wait_timeout     = -1;
 995 uschar *initial_cwd            = NULL;
 996 uschar *interface_address      = NULL;
 997 int     interface_port         = -1;
 998 uschar *iterate_item           = NULL;
 999
1000 int     journal_fd             = -1;
1001
1002 uschar *keep_environment       = NULL;
1003
1004 int     keep_malformed         = 4*24*60*60;    /* 4 days */
1005
1006 uschar *eldap_dn               = NULL;
1007 int     load_average           = -2;
1008 uschar *local_from_prefix      = NULL;
1009 uschar *local_from_suffix      = NULL;
1010
1011 #if HAVE_IPV6
1012 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
1013 #else
1014 uschar *local_interfaces       = US"0.0.0.0";
1015 #endif
1016
1017 #ifdef HAVE_LOCAL_SCAN
1018 uschar *local_scan_data        = NULL;
1019 int     local_scan_timeout     = 5*60;
1020 #endif
1021 gid_t   local_user_gid         = (gid_t)(-1);
1022 uid_t   local_user_uid         = (uid_t)(-1);
1023
1024 tree_node *localpartlist_anchor= NULL;
1025 int     localpartlist_count    = 0;
1026 uschar *log_buffer             = NULL;
1027
1028 int     log_default[]          = { /* for initializing log_selector */
1029   Li_acl_warn_skipped,
1030   Li_connection_reject,
1031   Li_delay_delivery,
1032   Li_dkim,
1033   Li_dnslist_defer,
1034   Li_etrn,
1035   Li_host_lookup_failed,
1036   Li_lost_incoming_connection,
1037   Li_outgoing_interface, /* see d_log_interface in deliver.c */
1038   Li_queue_run,
1039   Li_rejected_header,
1040   Li_retry_defer,
1041   Li_sender_verify_fail,
1042   Li_size_reject,
1043   Li_skip_delivery,
1044   Li_smtp_confirmation,
1045   Li_tls_certificate_verified,
1046   Li_tls_cipher,
1047   -1
1048 };
1049
1050 uschar *log_file_path          = US LOG_FILE_PATH
1051                            "\0<--------------Space to patch log_file_path->";
1052
1053 int     log_notall[]           = {
1054   -1
1055 };
1056 bit_table log_options[]        = { /* must be in alphabetical order */
1057   BIT_TABLE(L, 8bitmime),
1058   BIT_TABLE(L, acl_warn_skipped),
1059   BIT_TABLE(L, address_rewrite),
1060   BIT_TABLE(L, all),
1061   BIT_TABLE(L, all_parents),
1062   BIT_TABLE(L, arguments),
1063   BIT_TABLE(L, connection_reject),
1064   BIT_TABLE(L, delay_delivery),
1065   BIT_TABLE(L, deliver_time),
1066   BIT_TABLE(L, delivery_size),
1067 #ifndef DISABLE_DKIM
1068   BIT_TABLE(L, dkim),
1069   BIT_TABLE(L, dkim_verbose),
1070 #endif
1071   BIT_TABLE(L, dnslist_defer),
1072   BIT_TABLE(L, dnssec),
1073   BIT_TABLE(L, etrn),
1074   BIT_TABLE(L, host_lookup_failed),
1075   BIT_TABLE(L, ident_timeout),
1076   BIT_TABLE(L, incoming_interface),
1077   BIT_TABLE(L, incoming_port),
1078   BIT_TABLE(L, lost_incoming_connection),
1079   BIT_TABLE(L, millisec),
1080   BIT_TABLE(L, outgoing_interface),
1081   BIT_TABLE(L, outgoing_port),
1082   BIT_TABLE(L, pid),
1083   BIT_TABLE(L, pipelining),
1084 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1085   BIT_TABLE(L, proxy),
1086 #endif
1087   BIT_TABLE(L, queue_run),
1088   BIT_TABLE(L, queue_time),
1089   BIT_TABLE(L, queue_time_overall),
1090   BIT_TABLE(L, receive_time),
1091   BIT_TABLE(L, received_recipients),
1092   BIT_TABLE(L, received_sender),
1093   BIT_TABLE(L, rejected_header),
1094   { US"rejected_headers", Li_rejected_header },
1095   BIT_TABLE(L, retry_defer),
1096   BIT_TABLE(L, return_path_on_delivery),
1097   BIT_TABLE(L, sender_on_delivery),
1098   BIT_TABLE(L, sender_verify_fail),
1099   BIT_TABLE(L, size_reject),
1100   BIT_TABLE(L, skip_delivery),
1101   BIT_TABLE(L, smtp_confirmation),
1102   BIT_TABLE(L, smtp_connection),
1103   BIT_TABLE(L, smtp_incomplete_transaction),
1104   BIT_TABLE(L, smtp_mailauth),
1105   BIT_TABLE(L, smtp_no_mail),
1106   BIT_TABLE(L, smtp_protocol_error),
1107   BIT_TABLE(L, smtp_syntax_error),
1108   BIT_TABLE(L, subject),
1109   BIT_TABLE(L, tls_certificate_verified),
1110   BIT_TABLE(L, tls_cipher),
1111   BIT_TABLE(L, tls_peerdn),
1112   BIT_TABLE(L, tls_sni),
1113   BIT_TABLE(L, unknown_in_list),
1114 };
1115 int     log_options_count      = nelem(log_options);
1116
1117 int     log_reject_target      = 0;
1118 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1119 uschar *log_selector_string    = NULL;
1120 FILE   *log_stderr             = NULL;
1121 uschar *login_sender_address   = NULL;
1122 uschar *lookup_dnssec_authenticated = NULL;
1123 int     lookup_open_max        = 25;
1124 uschar *lookup_value           = NULL;
1125
1126 macro_item *macros_user        = NULL;
1127 uschar *mailstore_basename     = NULL;
1128 #ifdef WITH_CONTENT_SCAN
1129 uschar *malware_name           = NULL;  /* Virus Name */
1130 #endif
1131 int     max_received_linelength= 0;
1132 int     max_username_length    = 0;
1133 int     message_age            = 0;
1134 uschar *message_body           = NULL;
1135 uschar *message_body_end       = NULL;
1136 int     message_body_size      = 0;
1137 int     message_body_visible   = 500;
1138 int     message_ended          = END_NOTSTARTED;
1139 uschar *message_headers        = NULL;
1140 uschar *message_id;
1141 uschar *message_id_domain      = NULL;
1142 uschar *message_id_text        = NULL;
1143 struct timeval message_id_tv   = { 0, 0 };
1144 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
1145 uschar *message_id_external;
1146 int     message_linecount      = 0;
1147 int     message_size           = 0;
1148 uschar *message_size_limit     = US"50M";
1149 #ifdef SUPPORT_I18N
1150 int     message_utf8_downconvert = 0;   /* -1 ifneeded; 0 never; 1 always */
1151 #endif
1152 uschar  message_subdir[2]      = { 0, 0 };
1153 uschar *message_reference      = NULL;
1154
1155 /* MIME ACL expandables */
1156 #ifdef WITH_CONTENT_SCAN
1157 int     mime_anomaly_level     = 0;
1158 const uschar *mime_anomaly_text      = NULL;
1159 uschar *mime_boundary          = NULL;
1160 uschar *mime_charset           = NULL;
1161 uschar *mime_content_description = NULL;
1162 uschar *mime_content_disposition = NULL;
1163 uschar *mime_content_id        = NULL;
1164 unsigned int mime_content_size = 0;
1165 uschar *mime_content_transfer_encoding = NULL;
1166 uschar *mime_content_type      = NULL;
1167 uschar *mime_decoded_filename  = NULL;
1168 uschar *mime_filename          = NULL;
1169 int     mime_is_multipart      = 0;
1170 int     mime_is_coverletter    = 0;
1171 int     mime_is_rfc822         = 0;
1172 int     mime_part_count        = -1;
1173 #endif
1174
1175 uid_t  *never_users            = NULL;
1176
1177 const int on                   = 1;     /* for setsockopt */
1178 const int off                  = 0;
1179
1180 uid_t   original_euid;
1181 gid_t   originator_gid;
1182 uschar *originator_login       = NULL;
1183 uschar *originator_name        = NULL;
1184 uid_t   originator_uid;
1185 uschar *override_local_interfaces = NULL;
1186 uschar *override_pid_file_path = NULL;
1187
1188 uschar *percent_hack_domains   = NULL;
1189 uschar *pid_file_path          = US PID_FILE_PATH
1190                            "\0<--------------Space to patch pid_file_path->";
1191 #ifdef EXPERIMENTAL_PIPE_CONNECT
1192 uschar *pipe_connect_advertise_hosts = US"*";
1193 #endif
1194 uschar *pipelining_advertise_hosts = US"*";
1195 uschar *primary_hostname       = NULL;
1196 uschar  process_info[PROCESS_INFO_SIZE];
1197 int     process_info_len       = 0;
1198 uschar *process_log_path       = NULL;
1199
1200 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1201 uschar *hosts_proxy            = NULL;
1202 uschar *proxy_external_address = NULL;
1203 int     proxy_external_port    = 0;
1204 uschar *proxy_local_address    = NULL;
1205 int     proxy_local_port       = 0;
1206 #endif
1207
1208 uschar *prvscheck_address      = NULL;
1209 uschar *prvscheck_keynum       = NULL;
1210 uschar *prvscheck_result       = NULL;
1211
1212
1213 const uschar *qualify_domain_recipient = NULL;
1214 uschar *qualify_domain_sender  = NULL;
1215 uschar *queue_domains          = NULL;
1216 int     queue_interval         = -1;
1217 uschar *queue_name             = US"";
1218 uschar *queue_only_file        = NULL;
1219 int     queue_only_load        = -1;
1220 uschar *queue_run_max          = US"5";
1221 pid_t   queue_run_pid          = (pid_t)0;
1222 int     queue_run_pipe         = -1;
1223 uschar *queue_smtp_domains     = NULL;
1224
1225 uint32_t random_seed           = 0;
1226 tree_node *ratelimiters_cmd    = NULL;
1227 tree_node *ratelimiters_conn   = NULL;
1228 tree_node *ratelimiters_mail   = NULL;
1229 uschar *raw_active_hostname    = NULL;
1230 uschar *raw_sender             = NULL;
1231 uschar **raw_recipients        = NULL;
1232 int     raw_recipients_count   = 0;
1233
1234 int     rcpt_count             = 0;
1235 int     rcpt_fail_count        = 0;
1236 int     rcpt_defer_count       = 0;
1237 gid_t   real_gid;
1238 uid_t   real_uid;
1239 int     receive_linecount      = 0;
1240 int     receive_messagecount   = 0;
1241 int     receive_timeout        = 0;
1242 int     received_count         = 0;
1243 uschar *received_for           = NULL;
1244
1245 /*  This is the default text for Received headers generated by Exim. The
1246 date  will be automatically added on the end. */
1247
1248 uschar *received_header_text   = US
1249      "Received: "
1250      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1251      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1252      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1253      "by $primary_hostname "
1254      "${if def:received_protocol {with $received_protocol}} "
1255      #ifdef SUPPORT_TLS
1256      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1257      #endif
1258      "(Exim $version_number)\n\t"
1259      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1260      "id $message_exim_id"
1261      "${if def:received_for {\n\tfor $received_for}}"
1262      "\0<---------------Space to patch received_header_text->";
1263
1264 int     received_headers_max   = 30;
1265 uschar *received_protocol      = NULL;
1266 struct timeval received_time   = { 0, 0 };
1267 struct timeval received_time_taken = { 0, 0 };
1268 uschar *recipient_data         = NULL;
1269 uschar *recipient_unqualified_hosts = NULL;
1270 uschar *recipient_verify_failure = NULL;
1271 int     recipients_count       = 0;
1272 recipient_item  *recipients_list = NULL;
1273 int     recipients_list_max    = 0;
1274 int     recipients_max         = 0;
1275 const pcre *regex_AUTH         = NULL;
1276 const pcre *regex_check_dns_names = NULL;
1277 const pcre *regex_From         = NULL;
1278 const pcre *regex_IGNOREQUOTA  = NULL;
1279 const pcre *regex_PIPELINING   = NULL;
1280 const pcre *regex_SIZE         = NULL;
1281 #ifdef EXPERIMENTAL_PIPE_CONNECT
1282 const pcre *regex_EARLY_PIPE   = NULL;
1283 #endif
1284 const pcre *regex_ismsgid      = NULL;
1285 const pcre *regex_smtp_code    = NULL;
1286 uschar *regex_vars[REGEX_VARS];
1287 #ifdef WHITELIST_D_MACROS
1288 const pcre *regex_whitelisted_macro = NULL;
1289 #endif
1290 #ifdef WITH_CONTENT_SCAN
1291 uschar *regex_match_string     = NULL;
1292 #endif
1293 int     remote_delivery_count  = 0;
1294 int     remote_max_parallel    = 2;
1295 uschar *remote_sort_domains    = NULL;
1296 int     retry_data_expire      = 7*24*60*60;
1297 int     retry_interval_max     = 24*60*60;
1298 int     retry_maximum_timeout  = 0;        /* set from retry config */
1299 retry_config  *retries         = NULL;
1300 uschar *return_path            = NULL;
1301 int     rewrite_existflags     = 0;
1302 uschar *rfc1413_hosts          = US"@[]";
1303 int     rfc1413_query_timeout  = 0;
1304 uid_t   root_gid               = ROOT_GID;
1305 uid_t   root_uid               = ROOT_UID;
1306
1307 router_instance  *routers  = NULL;
1308 router_instance  router_defaults = {
1309     .next =                     NULL,
1310     .name =                     NULL,
1311     .info =                     NULL,
1312     .options_block =            NULL,
1313     .driver_name =              NULL,
1314
1315     .address_data =             NULL,
1316 #ifdef EXPERIMENTAL_BRIGHTMAIL
1317     .bmi_rule =                 NULL,
1318 #endif
1319     .cannot_route_message =     NULL,
1320     .condition =                NULL,
1321     .current_directory =        NULL,
1322     .debug_string =             NULL,
1323     .domains =                  NULL,
1324     .errors_to =                NULL,
1325     .expand_gid =               NULL,
1326     .expand_uid =               NULL,
1327     .expand_more =              NULL,
1328     .expand_unseen =            NULL,
1329     .extra_headers =            NULL,
1330     .fallback_hosts =           NULL,
1331     .home_directory =           NULL,
1332     .ignore_target_hosts =      NULL,
1333     .local_parts =              NULL,
1334     .pass_router_name =         NULL,
1335     .prefix =                   NULL,
1336     .redirect_router_name =     NULL,
1337     .remove_headers =           NULL,
1338     .require_files =            NULL,
1339     .router_home_directory =    NULL,
1340     .self =                     US"freeze",
1341     .senders =                  NULL,
1342     .suffix =                   NULL,
1343     .translate_ip_address =     NULL,
1344     .transport_name =           NULL,
1345
1346     .address_test =             TRUE,
1347 #ifdef EXPERIMENTAL_BRIGHTMAIL
1348     .bmi_deliver_alternate =    FALSE,
1349     .bmi_deliver_default =      FALSE,
1350     .bmi_dont_deliver =         FALSE,
1351 #endif
1352     .expn =                     TRUE,
1353     .caseful_local_part =       FALSE,
1354     .check_local_user =         FALSE,
1355     .disable_logging =          FALSE,
1356     .fail_verify_recipient =    FALSE,
1357     .fail_verify_sender =       FALSE,
1358     .gid_set =                  FALSE,
1359     .initgroups =               FALSE,
1360     .log_as_local =             TRUE_UNSET,
1361     .more =                     TRUE,
1362     .pass_on_timeout =          FALSE,
1363     .prefix_optional =          FALSE,
1364     .repeat_use =               TRUE,
1365     .retry_use_local_part =     TRUE_UNSET,
1366     .same_domain_copy_routing = FALSE,
1367     .self_rewrite =             FALSE,
1368     .suffix_optional =          FALSE,
1369     .verify_only =              FALSE,
1370     .verify_recipient =         TRUE,
1371     .verify_sender =            TRUE,
1372     .uid_set =                  FALSE,
1373     .unseen =                   FALSE,
1374     .dsn_lasthop =              FALSE,
1375
1376     .self_code =                self_freeze,
1377     .uid =                      (uid_t)(-1),
1378     .gid =                      (gid_t)(-1),
1379
1380     .fallback_hostlist =        NULL,
1381     .transport =                NULL,
1382     .pass_router =              NULL,
1383     .redirect_router =          NULL,
1384
1385     .dnssec =                   { NULL, NULL },            /* dnssec_domains {require,request} */
1386 };
1387
1388 uschar *router_name            = NULL;
1389
1390 ip_address_item *running_interfaces = NULL;
1391
1392 /* This is a weird one. The following string gets patched in the binary by the
1393 script that sets up a copy of Exim for running in the test harness. It seems
1394 that compilers are now clever, and share constant strings if they can.
1395 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1396 make use of the end of this string in order to save space. So the patching then
1397 wrecks this. We defeat this optimization by adding some additional characters
1398 onto the end of the string. */
1399
1400 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1401
1402 int     runrc                  = 0;
1403
1404 uschar *search_error_message   = NULL;
1405 uschar *self_hostname          = NULL;
1406 uschar *sender_address         = NULL;
1407 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1408 uschar *sender_address_data    = NULL;
1409 uschar *sender_address_unrewritten = NULL;
1410 uschar *sender_data            = NULL;
1411 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1412 uschar *sender_fullhost        = NULL;
1413 uschar *sender_helo_name       = NULL;
1414 uschar **sender_host_aliases   = &no_aliases;
1415 uschar *sender_host_address    = NULL;
1416 uschar *sender_host_authenticated = NULL;
1417 uschar *sender_host_auth_pubname  = NULL;
1418 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1419 uschar *sender_host_name       = NULL;
1420 int     sender_host_port       = 0;
1421 uschar *sender_ident           = NULL;
1422 uschar *sender_rate            = NULL;
1423 uschar *sender_rate_limit      = NULL;
1424 uschar *sender_rate_period     = NULL;
1425 uschar *sender_rcvhost         = NULL;
1426 uschar *sender_unqualified_hosts = NULL;
1427 uschar *sender_verify_failure = NULL;
1428 address_item *sender_verified_list  = NULL;
1429 address_item *sender_verified_failed = NULL;
1430 int     sender_verified_rc     = -1;
1431 uschar *sending_ip_address     = NULL;
1432 int     sending_port           = -1;
1433 SIGNAL_BOOL sigalrm_seen       = FALSE;
1434 const uschar *sigalarm_setter  = NULL;
1435 uschar **sighup_argv           = NULL;
1436 int     slow_lookup_log        = 0;     /* millisecs, zero disables */
1437 int     smtp_accept_count      = 0;
1438 int     smtp_accept_max        = 20;
1439 int     smtp_accept_max_nonmail= 10;
1440 uschar *smtp_accept_max_nonmail_hosts = US"*";
1441 int     smtp_accept_max_per_connection = 1000;
1442 uschar *smtp_accept_max_per_host = NULL;
1443 int     smtp_accept_queue      = 0;
1444 int     smtp_accept_queue_per_connection = 10;
1445 int     smtp_accept_reserve    = 0;
1446 uschar *smtp_active_hostname   = NULL;
1447 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1448                              "Exim $version_number $tod_full"
1449                              "\0<---------------Space to patch smtp_banner->";
1450 int     smtp_ch_index          = 0;
1451 uschar *smtp_cmd_argument      = NULL;
1452 uschar *smtp_cmd_buffer        = NULL;
1453 struct timeval smtp_connection_start  = {0,0};
1454 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1455 int     smtp_connect_backlog   = 20;
1456 double  smtp_delay_mail        = 0.0;
1457 double  smtp_delay_rcpt        = 0.0;
1458 FILE   *smtp_in                = NULL;
1459 int     smtp_load_reserve      = -1;
1460 int     smtp_mailcmd_count     = 0;
1461 FILE   *smtp_out               = NULL;
1462 uschar *smtp_etrn_command      = NULL;
1463 int     smtp_max_synprot_errors= 3;
1464 int     smtp_max_unknown_commands = 3;
1465 uschar *smtp_notquit_reason    = NULL;
1466 uschar *smtp_ratelimit_hosts   = NULL;
1467 uschar *smtp_ratelimit_mail    = NULL;
1468 uschar *smtp_ratelimit_rcpt    = NULL;
1469 uschar *smtp_read_error        = US"";
1470 int     smtp_receive_timeout   = 5*60;
1471 uschar *smtp_receive_timeout_s = NULL;
1472 uschar *smtp_reserve_hosts     = NULL;
1473 int     smtp_rlm_base          = 0;
1474 double  smtp_rlm_factor        = 0.0;
1475 int     smtp_rlm_limit         = 0;
1476 int     smtp_rlm_threshold     = INT_MAX;
1477 int     smtp_rlr_base          = 0;
1478 double  smtp_rlr_factor        = 0.0;
1479 int     smtp_rlr_limit         = 0;
1480 int     smtp_rlr_threshold     = INT_MAX;
1481 unsigned smtp_peer_options     = 0;
1482 unsigned smtp_peer_options_wrap= 0;
1483 #ifdef SUPPORT_I18N
1484 uschar *smtputf8_advertise_hosts = US"*";       /* overridden under test-harness */
1485 #endif
1486
1487 #ifdef WITH_CONTENT_SCAN
1488 uschar *spamd_address          = US"127.0.0.1 783";
1489 uschar *spam_bar               = NULL;
1490 uschar *spam_report            = NULL;
1491 uschar *spam_action            = NULL;
1492 uschar *spam_score             = NULL;
1493 uschar *spam_score_int         = NULL;
1494 #endif
1495 #ifdef SUPPORT_SPF
1496 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1497 uschar *spf_header_comment     = NULL;
1498 uschar *spf_received           = NULL;
1499 uschar *spf_result             = NULL;
1500 uschar *spf_smtp_comment       = NULL;
1501 #endif
1502
1503 FILE   *spool_data_file        = NULL;
1504 uschar *spool_directory        = US SPOOL_DIRECTORY
1505                            "\0<--------------Space to patch spool_directory->";
1506 #ifdef EXPERIMENTAL_SRS
1507 uschar *srs_config             = NULL;
1508 uschar *srs_db_address         = NULL;
1509 uschar *srs_db_key             = NULL;
1510 int     srs_hashlength         = 6;
1511 int     srs_hashmin            = -1;
1512 int     srs_maxage             = 31;
1513 uschar *srs_orig_recipient     = NULL;
1514 uschar *srs_orig_sender        = NULL;
1515 uschar *srs_recipient          = NULL;
1516 uschar *srs_secrets            = NULL;
1517 uschar *srs_status             = NULL;
1518 #endif
1519 int     string_datestamp_offset= -1;
1520 int     string_datestamp_length= 0;
1521 int     string_datestamp_type  = -1;
1522 uschar *submission_domain      = NULL;
1523 uschar *submission_name        = NULL;
1524 int     syslog_facility        = LOG_MAIL;
1525 uschar *syslog_processname     = US"exim";
1526 uschar *system_filter          = NULL;
1527
1528 uschar *system_filter_directory_transport = NULL;
1529 uschar *system_filter_file_transport = NULL;
1530 uschar *system_filter_pipe_transport = NULL;
1531 uschar *system_filter_reply_transport = NULL;
1532
1533 gid_t   system_filter_gid      = 0;
1534 uid_t   system_filter_uid      = (uid_t)-1;
1535
1536 blob    tcp_fastopen_nodata    = { .data = NULL, .len = 0 };
1537 tfo_state_t tcp_out_fastopen   = TFO_NOT_USED;
1538 #ifdef USE_TCP_WRAPPERS
1539 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1540 #endif
1541 int     test_harness_load_avg  = 0;
1542 int     thismessage_size_limit = 0;
1543 int     timeout_frozen_after   = 0;
1544
1545 transport_instance  *transports = NULL;
1546
1547 transport_instance  transport_defaults = {
1548     .next =                     NULL,
1549     .name =                     NULL,
1550     .info =                     NULL,
1551     .options_block =            NULL,
1552     .driver_name =              NULL,
1553     .setup =                    NULL,
1554     .batch_max =                1,
1555     .batch_id =                 NULL,
1556     .home_dir =                 NULL,
1557     .current_dir =              NULL,
1558     .expand_multi_domain =      NULL,
1559     .multi_domain =             TRUE,
1560     .overrides_hosts =          FALSE,
1561     .max_addresses =            100,
1562     .connection_max_messages =  500,
1563     .deliver_as_creator =       FALSE,
1564     .disable_logging =          FALSE,
1565     .initgroups =               FALSE,
1566     .uid_set =                  FALSE,
1567     .gid_set =                  FALSE,
1568     .uid =                      (uid_t)(-1),
1569     .gid =                      (gid_t)(-1),
1570     .expand_uid =               NULL,
1571     .expand_gid =               NULL,
1572     .warn_message =             NULL,
1573     .shadow =                   NULL,
1574     .shadow_condition =         NULL,
1575     .filter_command =           NULL,
1576     .add_headers =              NULL,
1577     .remove_headers =           NULL,
1578     .return_path =              NULL,
1579     .debug_string =             NULL,
1580     .max_parallel =             NULL,
1581     .message_size_limit =       NULL,
1582     .headers_rewrite =          NULL,
1583     .rewrite_rules =            NULL,
1584     .rewrite_existflags =       0,
1585     .filter_timeout =           300,
1586     .body_only =                FALSE,
1587     .delivery_date_add =        FALSE,
1588     .envelope_to_add =          FALSE,
1589     .headers_only =             FALSE,
1590     .rcpt_include_affixes =     FALSE,
1591     .return_path_add =          FALSE,
1592     .return_output =            FALSE,
1593     .return_fail_output =       FALSE,
1594     .log_output =               FALSE,
1595     .log_fail_output =          FALSE,
1596     .log_defer_output =         FALSE,
1597     .retry_use_local_part =     TRUE_UNSET,     /* retry_use_local_part: BOOL, but set neither
1598                                                  1 nor 0 so can detect unset */
1599 #ifndef DISABLE_EVENT
1600    .event_action =              NULL
1601 #endif
1602 };
1603
1604 int     transport_count;
1605 uschar *transport_name          = NULL;
1606 int     transport_newlines;
1607 const uschar **transport_filter_argv  = NULL;
1608 int     transport_filter_timeout;
1609 int     transport_write_timeout= 0;
1610
1611 tree_node  *tree_dns_fails     = NULL;
1612 tree_node  *tree_duplicates    = NULL;
1613 tree_node  *tree_nonrecipients = NULL;
1614 tree_node  *tree_unusable      = NULL;
1615
1616 gid_t  *trusted_groups         = NULL;
1617 uid_t  *trusted_users          = NULL;
1618 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1619
1620 uschar *unknown_login          = NULL;
1621 uschar *unknown_username       = NULL;
1622 uschar *untrusted_set_sender   = NULL;
1623
1624 /*  A regex for matching a "From_" line in an incoming message, in the form
1625
1626     From ph10 Fri Jan  5 12:35 GMT 1996
1627
1628 which  the "mail" commands send to the MTA (undocumented, of course), or in
1629 the  form
1630
1631     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1632
1633 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1634 Because  of variations in time formats, just match up to the minutes. That
1635 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1636 so  just require one digit for hours and minutes. The weekday is also absent
1637 in  some forms. */
1638
1639 uschar *uucp_from_pattern      = US
1640    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1641    "(?:"                                          /* Non-extracting bracket */
1642    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1643    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1644    ")"                                            /* End alternation */
1645    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1646
1647 uschar *uucp_from_sender       = US"$1";
1648
1649 uschar *verify_mode            = NULL;
1650 uschar *version_copyright      =
1651  US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1652    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2018";
1653 uschar *version_date           = US"?";
1654 uschar *version_cnumber        = US"????";
1655 uschar *version_string         = US"?";
1656
1657 uschar *warn_message_file      = NULL;
1658 int     warning_count          = 0;
1659 uschar *warnmsg_delay          = NULL;
1660 uschar *warnmsg_recipients     = NULL;
1661
1662
1663 /*  End of globals.c */