src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) The Exim Maintainers 2020 - 2022 */
   6 /* Copyright (c) University of Cambridge 1995 - 2018 */
   7 /* See the file NOTICE for conditions of use and distribution. */
   8
   9 /* All the global variables are defined together in this one module, so
  10 that they are easy to find. */
  11
  12 #include "exim.h"
  13
  14
  15 /* Generic options for auths, all of which live inside auth_instance
  16 data blocks and hence have the opt_public flag set. */
  17
  18 optionlist optionlist_auths[] = {
  19   { "client_condition", opt_stringptr | opt_public,
  20                  OPT_OFF(auth_instance, client_condition) },
  21   { "client_set_id", opt_stringptr | opt_public,
  22                  OPT_OFF(auth_instance, set_client_id) },
  23   { "driver",        opt_stringptr | opt_public,
  24                  OPT_OFF(auth_instance, driver_name) },
  25   { "public_name",   opt_stringptr | opt_public,
  26                  OPT_OFF(auth_instance, public_name) },
  27   { "server_advertise_condition", opt_stringptr | opt_public,
  28                  OPT_OFF(auth_instance, advertise_condition)},
  29   { "server_condition", opt_stringptr | opt_public,
  30                  OPT_OFF(auth_instance, server_condition) },
  31   { "server_debug_print", opt_stringptr | opt_public,
  32                  OPT_OFF(auth_instance, server_debug_string) },
  33   { "server_mail_auth_condition", opt_stringptr | opt_public,
  34                  OPT_OFF(auth_instance, mail_auth_condition) },
  35   { "server_set_id", opt_stringptr | opt_public,
  36                  OPT_OFF(auth_instance, set_id) }
  37 };
  38
  39 int     optionlist_auths_size = nelem(optionlist_auths);
  40
  41 /* An empty host aliases list. */
  42
  43 uschar *no_aliases             = NULL;
  44
  45
  46 /* For comments on these variables, see globals.h. I'm too idle to
  47 duplicate them here... */
  48
  49 #ifdef EXIM_PERL
  50 uschar *opt_perl_startup       = NULL;
  51 BOOL    opt_perl_at_start      = FALSE;
  52 BOOL    opt_perl_started       = FALSE;
  53 BOOL    opt_perl_taintmode     = FALSE;
  54 #endif
  55
  56 #ifdef EXPAND_DLFUNC
  57 tree_node *dlobj_anchor        = NULL;
  58 #endif
  59
  60 #ifdef LOOKUP_IBASE
  61 uschar *ibase_servers          = NULL;
  62 #endif
  63
  64 #ifdef LOOKUP_LDAP
  65 uschar *eldap_ca_cert_dir      = NULL;
  66 uschar *eldap_ca_cert_file     = NULL;
  67 uschar *eldap_cert_file        = NULL;
  68 uschar *eldap_cert_key         = NULL;
  69 uschar *eldap_cipher_suite     = NULL;
  70 uschar *eldap_default_servers  = NULL;
  71 uschar *eldap_require_cert     = NULL;
  72 int     eldap_version          = -1;
  73 BOOL    eldap_start_tls        = FALSE;
  74 #endif
  75
  76 #ifdef LOOKUP_MYSQL
  77 uschar *mysql_servers          = NULL;
  78 #endif
  79
  80 #ifdef LOOKUP_ORACLE
  81 uschar *oracle_servers         = NULL;
  82 #endif
  83
  84 #ifdef LOOKUP_PGSQL
  85 uschar *pgsql_servers          = NULL;
  86 #endif
  87
  88 #ifdef LOOKUP_REDIS
  89 uschar *redis_servers          = NULL;
  90 #endif
  91
  92 #ifdef LOOKUP_SQLITE
  93 uschar *sqlite_dbfile          = NULL;
  94 int     sqlite_lock_timeout    = 5;
  95 #endif
  96
  97 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  98 BOOL    move_frozen_messages   = FALSE;
  99 #endif
 100
 101 /* These variables are outside the #ifdef because it keeps the code less
 102 cluttered in several places (e.g. during logging) if we can always refer to
 103 them. Also, the tls_ variables are now always visible.  Note that these are
 104 only used for smtp connections, not for service-daemon access. */
 105
 106 tls_support tls_in = {
 107  .active =              {.sock = -1}
 108  /* all other elements zero */
 109 };
 110 tls_support tls_out = {
 111  .active =              {.sock = -1},
 112  /* all other elements zero */
 113 };
 114
 115 uschar *dsn_envid              = NULL;
 116 int     dsn_ret                = 0;
 117 const pcre2_code  *regex_DSN         = NULL;
 118 uschar *dsn_advertise_hosts    = NULL;
 119
 120 #ifndef DISABLE_TLS
 121 BOOL    gnutls_compat_mode     = FALSE;
 122 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 123 uschar *hosts_require_alpn     = NULL;
 124 uschar *openssl_options        = NULL;
 125 const pcre2_code *regex_STARTTLS     = NULL;
 126 uschar *tls_advertise_hosts    = US"*";
 127 uschar *tls_alpn               = US"smtp:esmtp";
 128 uschar *tls_certificate        = NULL;
 129 uschar *tls_crl                = NULL;
 130 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 131 that's the interop problem which has been observed: GnuTLS suggesting a higher
 132 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 133 int     tls_dh_max_bits        = 2236;
 134 uschar *tls_dhparam            = NULL;
 135 uschar *tls_eccurve            = US"auto";
 136 # ifndef DISABLE_OCSP
 137 uschar *tls_ocsp_file          = NULL;
 138 # endif
 139 uschar *tls_privatekey         = NULL;
 140 BOOL    tls_remember_esmtp     = FALSE;
 141 uschar *tls_require_ciphers    = NULL;
 142 # ifndef DISABLE_TLS_RESUME
 143 uschar *tls_resumption_hosts   = NULL;
 144 # endif
 145 uschar *tls_try_verify_hosts   = NULL;
 146 uschar *tls_verify_certificates= US"system";
 147 uschar *tls_verify_hosts       = NULL;
 148 int     tls_watch_fd           = -1;
 149 time_t  tls_watch_trigger_time = (time_t)0;
 150 #else   /*DISABLE_TLS*/
 151 uschar *tls_advertise_hosts    = NULL;
 152 #endif
 153
 154 #ifndef DISABLE_PRDR
 155 /* Per Recipient Data Response variables */
 156 BOOL    prdr_enable            = FALSE;
 157 BOOL    prdr_requested         = FALSE;
 158 const pcre2_code *regex_PRDR         = NULL;
 159 #endif
 160
 161 #ifdef SUPPORT_I18N
 162 const pcre2_code *regex_UTF8         = NULL;
 163 #endif
 164
 165 /* Input-reading functions for messages, so we can use special ones for
 166 incoming TCP/IP. The defaults use stdin. We never need these for any
 167 stand-alone tests. */
 168
 169 #if !defined(STAND_ALONE) && !defined(MACRO_PREDEF)
 170 int     (*lwr_receive_getc)(unsigned)   = stdin_getc;
 171 uschar * (*lwr_receive_getbuf)(unsigned *) = NULL;
 172 int     (*lwr_receive_ungetc)(int)      = stdin_ungetc;
 173 BOOL    (*lwr_receive_hasc)(void)       = stdin_hasc;
 174
 175 int     (*receive_getc)(unsigned)       = stdin_getc;
 176 uschar * (*receive_getbuf)(unsigned *)  = NULL;
 177 void    (*receive_get_cache)(unsigned)  = NULL;
 178 BOOL    (*receive_hasc)(void)           = stdin_hasc;
 179 int     (*receive_ungetc)(int)          = stdin_ungetc;
 180 int     (*receive_feof)(void)           = stdin_feof;
 181 int     (*receive_ferror)(void)         = stdin_ferror;
 182 #endif
 183
 184
 185 /* List of per-address expansion variables for clearing and saving/restoring
 186 when verifying one address while routing/verifying another. We have to have
 187 the size explicit, because it is referenced from more than one module. */
 188
 189 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 190   CUSS &deliver_address_data,
 191   CUSS &deliver_domain,
 192   CUSS &deliver_domain_data,
 193   CUSS &deliver_domain_orig,
 194   CUSS &deliver_domain_parent,
 195   CUSS &deliver_localpart,
 196   CUSS &deliver_localpart_data,
 197   CUSS &deliver_localpart_orig,
 198   CUSS &deliver_localpart_parent,
 199   CUSS &deliver_localpart_prefix,
 200   CUSS &deliver_localpart_suffix,
 201   CUSS (uschar **)(&deliver_recipients),
 202   CUSS &deliver_host,
 203   CUSS &deliver_home,
 204   CUSS &address_file,
 205   CUSS &address_pipe,
 206   CUSS &self_hostname,
 207   NULL };
 208
 209 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 210
 211 /******************************************************************************/
 212 /* General global variables.  Boolean flags are done as a group
 213 so that only one bit each is needed, packed, for all those we never
 214 need to take a pointer - and only a char for the rest.
 215 This means a struct, unfortunately since it clutters the sourcecode. */
 216
 217 struct global_flags f =
 218 {
 219         .acl_temp_details       = FALSE,
 220         .active_local_from_check = FALSE,
 221         .active_local_sender_retain = FALSE,
 222         .address_test_mode      = FALSE,
 223         .admin_user             = FALSE,
 224         .allow_auth_unadvertised= FALSE,
 225         .allow_unqualified_recipient = TRUE,    /* For local messages */
 226         .allow_unqualified_sender = TRUE,       /* Reset for SMTP */
 227         .authentication_local   = FALSE,
 228
 229         .background_daemon      = TRUE,
 230         .bdat_readers_wanted    = FALSE,
 231
 232         .chunking_offered       = FALSE,
 233         .config_changed         = FALSE,
 234         .continue_more          = FALSE,
 235
 236         .daemon_listen          = FALSE,
 237         .debug_daemon           = FALSE,
 238         .deliver_firsttime      = FALSE,
 239         .deliver_force          = FALSE,
 240         .deliver_freeze         = FALSE,
 241         .deliver_force_thaw     = FALSE,
 242         .deliver_manual_thaw    = FALSE,
 243         .deliver_selectstring_regex = FALSE,
 244         .deliver_selectstring_sender_regex = FALSE,
 245         .disable_callout_flush  = FALSE,
 246         .disable_delay_flush    = FALSE,
 247         .disable_logging        = FALSE,
 248 #ifndef DISABLE_DKIM
 249         .dkim_disable_verify      = FALSE,
 250         .dkim_init_done           = FALSE,
 251 #endif
 252 #ifdef SUPPORT_DMARC
 253         .dmarc_has_been_checked  = FALSE,
 254         .dmarc_disable_verify    = FALSE,
 255         .dmarc_enable_forensic   = FALSE,
 256 #endif
 257         .dont_deliver           = FALSE,
 258         .dot_ends               = TRUE,
 259
 260         .enable_dollar_recipients = FALSE,
 261         .expand_string_forcedfail = FALSE,
 262
 263         .filter_running         = FALSE,
 264
 265         .header_rewritten       = FALSE,
 266         .helo_verified          = FALSE,
 267         .helo_verify_failed     = FALSE,
 268         .host_checking_callout  = FALSE,
 269         .host_find_failed_syntax= FALSE,
 270
 271         .inetd_wait_mode        = FALSE,
 272         .is_inetd               = FALSE,
 273
 274         .local_error_message    = FALSE,
 275         .log_testing_mode       = FALSE,
 276
 277 #ifdef WITH_CONTENT_SCAN
 278         .no_mbox_unspool        = FALSE,
 279 #endif
 280         .no_multiline_responses = FALSE,
 281
 282         .parse_allow_group      = FALSE,
 283         .parse_found_group      = FALSE,
 284         .pipelining_enable      = TRUE,
 285 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
 286         .proxy_session_failed   = FALSE,
 287 #endif
 288
 289         .queue_2stage           = FALSE,
 290         .queue_only_policy      = FALSE,
 291         .queue_run_first_delivery = FALSE,
 292         .queue_run_force        = FALSE,
 293         .queue_run_local        = FALSE,
 294         .queue_running          = FALSE,
 295         .queue_smtp             = FALSE,
 296
 297         .really_exim            = TRUE,
 298         .receive_call_bombout   = FALSE,
 299         .recipients_discarded   = FALSE,
 300         .running_in_test_harness = FALSE,
 301
 302         .search_find_defer      = FALSE,
 303         .sender_address_forced  = FALSE,
 304         .sender_host_notsocket  = FALSE,
 305         .sender_host_unknown    = FALSE,
 306         .sender_local           = FALSE,
 307         .sender_name_forced     = FALSE,
 308         .sender_set_untrusted   = FALSE,
 309         .smtp_authenticated     = FALSE,
 310 #ifndef DISABLE_PIPE_CONNECT
 311         .smtp_in_early_pipe_advertised = FALSE,
 312         .smtp_in_early_pipe_no_auth = FALSE,
 313         .smtp_in_early_pipe_used = FALSE,
 314 #endif
 315         .smtp_in_pipelining_advertised = FALSE,
 316         .smtp_in_pipelining_used = FALSE,
 317         .smtp_in_quit           = FALSE,
 318         .spool_file_wireformat  = FALSE,
 319         .submission_mode        = FALSE,
 320         .suppress_local_fixups  = FALSE,
 321         .suppress_local_fixups_default = FALSE,
 322         .synchronous_delivery   = FALSE,
 323         .system_filtering       = FALSE,
 324
 325         .taint_check_slow       = FALSE,
 326         .testsuite_delays       = TRUE,
 327         .tcp_fastopen_ok        = FALSE,
 328         .tcp_in_fastopen        = FALSE,
 329         .tcp_in_fastopen_data   = FALSE,
 330         .tcp_in_fastopen_logged = FALSE,
 331         .tcp_out_fastopen_logged= FALSE,
 332         .timestamps_utc         = FALSE,
 333         .transport_filter_timed_out = FALSE,
 334         .trusted_caller         = FALSE,
 335         .trusted_config         = TRUE,
 336 };
 337
 338 /******************************************************************************/
 339 /* These are the flags which are either variables or mainsection options,
 340 so an address is needed for access, or are exported to local_scan. */
 341
 342 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 343 BOOL    allow_domain_literals  = FALSE;
 344 BOOL    allow_mx_to_ip         = FALSE;
 345 BOOL    allow_utf8_domains     = FALSE;
 346 BOOL    authentication_failed  = FALSE;
 347
 348 BOOL    bounce_return_body     = TRUE;
 349 BOOL    bounce_return_message  = TRUE;
 350 BOOL    check_rfc2047_length   = TRUE;
 351 BOOL    commandline_checks_require_admin = FALSE;
 352
 353 #ifdef EXPERIMENTAL_DCC
 354 BOOL    dcc_direct_add_header  = FALSE;
 355 #endif
 356 BOOL    debug_store            = FALSE;
 357 BOOL    delivery_date_remove   = TRUE;
 358 BOOL    deliver_drop_privilege = FALSE;
 359 #ifdef ENABLE_DISABLE_FSYNC
 360 BOOL    disable_fsync          = FALSE;
 361 #endif
 362 BOOL    disable_ipv6           = FALSE;
 363 BOOL    dns_csa_use_reverse    = TRUE;
 364 BOOL    drop_cr                = FALSE;         /* No longer used */
 365
 366 BOOL    envelope_to_remove     = TRUE;
 367 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 368 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 369 BOOL    extract_addresses_remove_arguments = TRUE;
 370
 371 BOOL    host_checking          = FALSE;
 372 BOOL    host_lookup_deferred   = FALSE;
 373 BOOL    host_lookup_failed     = FALSE;
 374 BOOL    ignore_fromline_local  = FALSE;
 375
 376 BOOL    local_from_check       = TRUE;
 377 BOOL    local_sender_retain    = FALSE;
 378 BOOL    log_timezone           = FALSE;
 379 BOOL    message_body_newlines  = FALSE;
 380 BOOL    message_logs           = TRUE;
 381 #ifdef SUPPORT_I18N
 382 BOOL    message_smtputf8       = FALSE;
 383 #endif
 384 BOOL    mua_wrapper            = FALSE;
 385
 386 BOOL    preserve_message_logs  = FALSE;
 387 BOOL    print_topbitchars      = FALSE;
 388 BOOL    prod_requires_admin    = TRUE;
 389 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
 390 BOOL    proxy_session          = FALSE;
 391 #endif
 392
 393 #ifndef DISABLE_QUEUE_RAMP
 394 BOOL    queue_fast_ramp         = FALSE;
 395 #endif
 396 BOOL    queue_list_requires_admin = TRUE;
 397 BOOL    queue_only             = FALSE;
 398 BOOL    queue_only_load_latch  = TRUE;
 399 BOOL    queue_only_override    = TRUE;
 400 BOOL    queue_run_in_order     = FALSE;
 401 BOOL    recipients_max_reject  = FALSE;
 402 BOOL    return_path_remove     = TRUE;
 403
 404 BOOL    smtp_batched_input     = FALSE;
 405 BOOL    sender_helo_dnssec     = FALSE;
 406 BOOL    sender_host_dnssec     = FALSE;
 407 BOOL    smtp_accept_keepalive  = TRUE;
 408 BOOL    smtp_check_spool_space = TRUE;
 409 BOOL    smtp_enforce_sync      = TRUE;
 410 BOOL    smtp_etrn_serialize    = TRUE;
 411 BOOL    smtp_input             = FALSE;
 412 BOOL    smtp_return_error_details = FALSE;
 413 #ifdef SUPPORT_SPF
 414 BOOL    spf_result_guessed     = FALSE;
 415 #endif
 416 BOOL    split_spool_directory  = FALSE;
 417 BOOL    spool_wireformat       = FALSE;
 418 BOOL    strict_acl_vars        = FALSE;
 419 BOOL    strip_excess_angle_brackets = FALSE;
 420 BOOL    strip_trailing_dot     = FALSE;
 421 BOOL    syslog_duplication     = TRUE;
 422 BOOL    syslog_pid             = TRUE;
 423 BOOL    syslog_timestamp       = TRUE;
 424 BOOL    system_filter_gid_set  = FALSE;
 425 BOOL    system_filter_uid_set  = FALSE;
 426
 427 BOOL    tcp_nodelay            = TRUE;
 428 BOOL    write_rejectlog        = TRUE;
 429
 430 /******************************************************************************/
 431
 432 header_line *acl_added_headers = NULL;
 433 tree_node *acl_anchor          = NULL;
 434 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 435                                   NULL, NULL, NULL, NULL};
 436 int     acl_narg               = 0;
 437
 438 int     acl_level              = 0;
 439
 440 uschar *acl_not_smtp           = NULL;
 441 #ifdef WITH_CONTENT_SCAN
 442 uschar *acl_not_smtp_mime      = NULL;
 443 #endif
 444 uschar *acl_not_smtp_start     = NULL;
 445 uschar *acl_removed_headers    = NULL;
 446 uschar *acl_smtp_auth          = NULL;
 447 uschar *acl_smtp_connect       = NULL;
 448 uschar *acl_smtp_data          = NULL;
 449 #ifndef DISABLE_PRDR
 450 uschar *acl_smtp_data_prdr     = US"accept";
 451 #endif
 452 #ifndef DISABLE_DKIM
 453 uschar *acl_smtp_dkim          = NULL;
 454 #endif
 455 uschar *acl_smtp_etrn          = NULL;
 456 uschar *acl_smtp_expn          = NULL;
 457 uschar *acl_smtp_helo          = NULL;
 458 uschar *acl_smtp_mail          = NULL;
 459 uschar *acl_smtp_mailauth      = NULL;
 460 #ifdef WITH_CONTENT_SCAN
 461 uschar *acl_smtp_mime          = NULL;
 462 #endif
 463 uschar *acl_smtp_notquit       = NULL;
 464 uschar *acl_smtp_predata       = NULL;
 465 uschar *acl_smtp_quit          = NULL;
 466 uschar *acl_smtp_rcpt          = NULL;
 467 uschar *acl_smtp_starttls      = NULL;
 468 uschar *acl_smtp_vrfy          = NULL;
 469
 470 tree_node *acl_var_c           = NULL;
 471 tree_node *acl_var_m           = NULL;
 472 uschar *acl_verify_message     = NULL;
 473 string_item *acl_warn_logged   = NULL;
 474
 475 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 476 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 477
 478 uschar *acl_wherenames[]       = { US"RCPT",
 479                                    US"MAIL",
 480                                    US"PREDATA",
 481                                    US"MIME",
 482                                    US"DKIM",
 483                                    US"DATA",
 484 #ifndef DISABLE_PRDR
 485                                    US"PRDR",
 486 #endif
 487                                    US"non-SMTP",
 488                                    US"AUTH",
 489                                    US"connection",
 490                                    US"ETRN",
 491                                    US"EXPN",
 492                                    US"EHLO or HELO",
 493                                    US"MAILAUTH",
 494                                    US"non-SMTP-start",
 495                                    US"NOTQUIT",
 496                                    US"QUIT",
 497                                    US"STARTTLS",
 498                                    US"VRFY",
 499                                    US"delivery",
 500                                    US"unknown"
 501                                  };
 502
 503 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 504                                    US"550",     /* MAIL */
 505                                    US"550",     /* PREDATA */
 506                                    US"550",     /* MIME */
 507                                    US"550",     /* DKIM */
 508                                    US"550",     /* DATA */
 509 #ifndef DISABLE_PRDR
 510                                    US"550",    /* RCPT PRDR */
 511 #endif
 512                                    US"0",       /* not SMTP; not relevant */
 513                                    US"503",     /* AUTH */
 514                                    US"550",     /* connect */
 515                                    US"458",     /* ETRN */
 516                                    US"550",     /* EXPN */
 517                                    US"550",     /* HELO/EHLO */
 518                                    US"0",       /* MAILAUTH; not relevant */
 519                                    US"0",       /* not SMTP; not relevant */
 520                                    US"0",       /* NOTQUIT; not relevant */
 521                                    US"0",       /* QUIT; not relevant */
 522                                    US"550",     /* STARTTLS */
 523                                    US"252",     /* VRFY */
 524                                    US"0",       /* delivery; not relevant */
 525                                    US"0"        /* unknown; not relevant */
 526                                  };
 527
 528 uschar *add_environment        = NULL;
 529 address_item  *addr_duplicate  = NULL;
 530
 531 address_item address_defaults = {
 532   .next =               NULL,
 533   .parent =             NULL,
 534   .first =              NULL,
 535   .dupof =              NULL,
 536   .start_router =       NULL,
 537   .router =             NULL,
 538   .transport =          NULL,
 539   .host_list =          NULL,
 540   .host_used =          NULL,
 541   .fallback_hosts =     NULL,
 542   .reply =              NULL,
 543   .retries =            NULL,
 544   .address =            NULL,
 545   .unique =             NULL,
 546   .cc_local_part =      NULL,
 547   .lc_local_part =      NULL,
 548   .local_part =         NULL,
 549   .prefix =             NULL,
 550   .prefix_v =           NULL,
 551   .suffix =             NULL,
 552   .suffix_v =           NULL,
 553   .domain =             NULL,
 554   .address_retry_key =  NULL,
 555   .domain_retry_key =   NULL,
 556   .current_dir =        NULL,
 557   .home_dir =           NULL,
 558   .message =            NULL,
 559   .user_message =       NULL,
 560   .onetime_parent =     NULL,
 561   .pipe_expandn =       NULL,
 562   .return_filename =    NULL,
 563   .self_hostname =      NULL,
 564   .shadow_message =     NULL,
 565 #ifndef DISABLE_TLS
 566   .cipher =             NULL,
 567   .ourcert =            NULL,
 568   .peercert =           NULL,
 569   .peerdn =             NULL,
 570   .ocsp =               OCSP_NOT_REQ,
 571 #endif
 572 #ifdef EXPERIMENTAL_DSN_INFO
 573   .smtp_greeting =      NULL,
 574   .helo_response =      NULL,
 575 #endif
 576   .authenticator =      NULL,
 577   .auth_id =            NULL,
 578   .auth_sndr =          NULL,
 579   .dsn_orcpt =          NULL,
 580   .dsn_flags =          0,
 581   .dsn_aware =          0,
 582   .uid =                (uid_t)(-1),
 583   .gid =                (gid_t)(-1),
 584   .flags =              { 0 },
 585   .domain_cache =       { 0 },                /* domain_cache - any larger array should be zeroed */
 586   .localpart_cache =    { 0 },                /* localpart_cache - ditto */
 587   .mode =               -1,
 588   .more_errno =         0,
 589   .delivery_time =      {.tv_sec = 0, .tv_usec = 0},
 590   .basic_errno =        ERRNO_UNKNOWNERROR,
 591   .child_count =        0,
 592   .return_file =        -1,
 593   .special_action =     SPECIAL_NONE,
 594   .transport_return =   DEFER,
 595   .prop = {                                     /* fields that are propagated to children */
 596     .address_data =     NULL,
 597     .domain_data =      NULL,
 598     .localpart_data =   NULL,
 599     .errors_address =   NULL,
 600     .extra_headers =    NULL,
 601     .remove_headers =   NULL,
 602     .variables =        NULL,
 603     .ignore_error =     FALSE,
 604 #ifdef SUPPORT_I18N
 605     .utf8_msg =         FALSE,
 606     .utf8_downcvt =     FALSE,
 607     .utf8_downcvt_maybe = FALSE
 608 #endif
 609   }
 610 };
 611
 612 uschar *address_file           = NULL;
 613 uschar *address_pipe           = NULL;
 614 tree_node *addresslist_anchor  = NULL;
 615 int     addresslist_count      = 0;
 616 gid_t  *admin_groups           = NULL;
 617
 618 #ifdef EXPERIMENTAL_ARC
 619 struct arc_set *arc_received    = NULL;
 620 int     arc_received_instance   = 0;
 621 int     arc_oldest_pass         = 0;
 622 const uschar *arc_state         = NULL;
 623 const uschar *arc_state_reason  = NULL;
 624 #endif
 625
 626 uschar *authenticated_fail_id  = NULL;
 627 uschar *authenticated_id       = NULL;
 628 uschar *authenticated_sender   = NULL;
 629 auth_instance  *auths          = NULL;
 630 uschar *auth_advertise_hosts   = US"*";
 631 auth_instance auth_defaults    = {
 632     .next =             NULL,
 633     .name =             NULL,
 634     .info =             NULL,
 635     .options_block =    NULL,
 636     .driver_name =      NULL,
 637     .advertise_condition = NULL,
 638     .client_condition = NULL,
 639     .public_name =      NULL,
 640     .set_id =           NULL,
 641     .set_client_id =    NULL,
 642     .mail_auth_condition = NULL,
 643     .server_debug_string = NULL,
 644     .server_condition = NULL,
 645     .client =           FALSE,
 646     .server =           FALSE,
 647     .advertised =       FALSE
 648 };
 649
 650 uschar *auth_defer_msg         = US"reason not recorded";
 651 uschar *auth_defer_user_msg    = US"";
 652 const uschar *auth_vars[AUTH_VARS];
 653 uschar *authenticator_name     = NULL;
 654 int     auto_thaw              = 0;
 655 #ifdef WITH_CONTENT_SCAN
 656 int     av_failed              = FALSE; /* boolean but accessed as vtype_int*/
 657 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 658 #endif
 659
 660 #if BASE_62 == 62
 661 uschar *base62_chars=
 662     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 663 #else
 664 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 665 #endif
 666
 667 uschar *bi_command             = NULL;
 668 uschar *big_buffer             = NULL;
 669 int     big_buffer_size        = BIG_BUFFER_SIZE;
 670 #ifdef EXPERIMENTAL_BRIGHTMAIL
 671 uschar *bmi_alt_location       = NULL;
 672 uschar *bmi_base64_tracker_verdict = NULL;
 673 uschar *bmi_base64_verdict     = NULL;
 674 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 675 int     bmi_deliver            = 1;
 676 int     bmi_run                = 0;
 677 uschar *bmi_verdicts           = NULL;
 678 #endif
 679 int     bsmtp_transaction_linecount = 0;
 680 int     body_8bitmime          = 0;
 681 int     body_linecount         = 0;
 682 int     body_zerocount         = 0;
 683 uschar *bounce_message_file    = NULL;
 684 uschar *bounce_message_text    = NULL;
 685 uschar *bounce_recipient       = NULL;
 686 int     bounce_return_linesize_limit = 998;
 687 int     bounce_return_size_limit = 100*1024;
 688 uschar *bounce_sender_authentication = NULL;
 689
 690 uschar *callout_address        = NULL;
 691 int     callout_cache_domain_positive_expire = 7*24*60*60;
 692 int     callout_cache_domain_negative_expire = 3*60*60;
 693 int     callout_cache_positive_expire = 24*60*60;
 694 int     callout_cache_negative_expire = 2*60*60;
 695 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 696 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 697 int     check_log_inodes       = 100;
 698 int_eximarith_t check_log_space = 10*1024;      /* 10K Kbyte == 10MB */
 699 int     check_spool_inodes     = 100;
 700 int_eximarith_t check_spool_space = 10*1024;    /* 10K Kbyte == 10MB */
 701
 702 uschar *chunking_advertise_hosts = US"*";
 703 unsigned chunking_datasize     = 0;
 704 unsigned chunking_data_left    = 0;
 705 chunking_state_t chunking_state= CHUNKING_NOT_OFFERED;
 706 const pcre2_code *regex_CHUNKING     = NULL;
 707
 708 #ifdef EXPERIMENTAL_ESMTP_LIMITS
 709 const pcre2_code *regex_LIMITS        = NULL;
 710 #endif
 711
 712 uschar *client_authenticator   = NULL;
 713 uschar *client_authenticated_id = NULL;
 714 uschar *client_authenticated_sender = NULL;
 715 #ifndef DISABLE_CLIENT_CMD_LOG
 716 gstring *client_cmd_log        = NULL;
 717 #endif
 718 int     clmacro_count          = 0;
 719 uschar *clmacros[MAX_CLMACROS];
 720 FILE   *config_file            = NULL;
 721 const uschar *config_filename  = NULL;
 722 int     config_lineno          = 0;
 723 #ifdef CONFIGURE_GROUP
 724 gid_t   config_gid             = CONFIGURE_GROUP;
 725 #else
 726 gid_t   config_gid             = 0;
 727 #endif
 728 uschar *config_main_filelist   = US CONFIGURE_FILE
 729                          "\0<-----------Space to patch configure_filename->";
 730 uschar *config_main_filename   = NULL;
 731 uschar *config_main_directory  = NULL;
 732
 733 #ifdef CONFIGURE_OWNER
 734 uid_t   config_uid             = CONFIGURE_OWNER;
 735 #else
 736 uid_t   config_uid             = 0;
 737 #endif
 738
 739 int     connection_max_messages= -1;
 740 uschar *continue_proxy_cipher  = NULL;
 741 BOOL    continue_proxy_dane    = FALSE;
 742 uschar *continue_proxy_sni     = NULL;
 743 uschar *continue_hostname      = NULL;
 744 uschar *continue_host_address  = NULL;
 745 int     continue_sequence      = 1;
 746 uschar *continue_transport     = NULL;
 747 #ifdef EXPERIMENTAL_ESMTP_LIMITS
 748 unsigned continue_limit_mail   = 0;
 749 unsigned continue_limit_rcpt   = 0;
 750 unsigned continue_limit_rcptdom= 0;
 751 #endif
 752
 753 uschar *csa_status             = NULL;
 754 cut_t   cutthrough = {
 755   .callout_hold_only =  FALSE,                          /* verify-only: normal delivery */
 756   .delivery =           FALSE,                          /* when to attempt */
 757   .defer_pass =         FALSE,                          /* on defer: spool locally */
 758   .is_tls =             FALSE,                          /* not a TLS conn yet */
 759   .cctx =               {.sock = -1},                   /* open connection */
 760   .nrcpt =              0,                              /* number of addresses */
 761 };
 762
 763 int     daemon_notifier_fd     = -1;
 764 uschar *daemon_smtp_port       = US"smtp";
 765 int     daemon_startup_retries = 9;
 766 int     daemon_startup_sleep   = 30;
 767
 768 #ifdef EXPERIMENTAL_DCC
 769 uschar *dcc_header             = NULL;
 770 uschar *dcc_result             = NULL;
 771 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 772 uschar *dccifd_options         = US"header";
 773 #endif
 774
 775 int     debug_fd               = -1;
 776 FILE   *debug_file             = NULL;
 777 int     debug_notall[]         = {
 778   Di_memory,
 779   Di_noutf8,
 780   -1
 781 };
 782 bit_table debug_options[]      = { /* must be in alphabetical order and use
 783                                  only the enum values from macro.h */
 784   BIT_TABLE(D, acl),
 785   BIT_TABLE(D, all),
 786   BIT_TABLE(D, auth),
 787   BIT_TABLE(D, deliver),
 788   BIT_TABLE(D, dns),
 789   BIT_TABLE(D, dnsbl),
 790   BIT_TABLE(D, exec),
 791   BIT_TABLE(D, expand),
 792   BIT_TABLE(D, filter),
 793   BIT_TABLE(D, hints_lookup),
 794   BIT_TABLE(D, host_lookup),
 795   BIT_TABLE(D, ident),
 796   BIT_TABLE(D, interface),
 797   BIT_TABLE(D, lists),
 798   BIT_TABLE(D, load),
 799   BIT_TABLE(D, local_scan),
 800   BIT_TABLE(D, lookup),
 801   BIT_TABLE(D, memory),
 802   BIT_TABLE(D, noutf8),
 803   BIT_TABLE(D, pid),
 804   BIT_TABLE(D, process_info),
 805   BIT_TABLE(D, queue_run),
 806   BIT_TABLE(D, receive),
 807   BIT_TABLE(D, resolver),
 808   BIT_TABLE(D, retry),
 809   BIT_TABLE(D, rewrite),
 810   BIT_TABLE(D, route),
 811   BIT_TABLE(D, timestamp),
 812   BIT_TABLE(D, tls),
 813   BIT_TABLE(D, transport),
 814   BIT_TABLE(D, uid),
 815   BIT_TABLE(D, verify),
 816 };
 817 int     debug_options_count    = nelem(debug_options);
 818 unsigned debug_pretrigger_bsize= 0;
 819 uschar * debug_pretrigger_buf  = NULL;
 820 unsigned int debug_selector    = 0;
 821
 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{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 828             "} {no}{yes}}";
 829 uschar *deliver_address_data   = NULL;
 830 int     deliver_datafile       = -1;
 831 const uschar *deliver_domain   = NULL;
 832 uschar *deliver_domain_data    = NULL;
 833 const uschar *deliver_domain_orig = NULL;
 834 const uschar *deliver_domain_parent = NULL;
 835 time_t  deliver_frozen_at      = 0;
 836 uschar *deliver_home           = NULL;
 837 const uschar *deliver_host     = NULL;
 838 const uschar *deliver_host_address = NULL;
 839 int     deliver_host_port      = 0;
 840 uschar *deliver_in_buffer      = NULL;
 841 ino_t   deliver_inode          = 0;
 842 uschar *deliver_localpart      = NULL;
 843 uschar *deliver_localpart_data = NULL;
 844 uschar *deliver_localpart_orig = NULL;
 845 uschar *deliver_localpart_parent = NULL;
 846 uschar *deliver_localpart_prefix = NULL;
 847 uschar *deliver_localpart_prefix_v = NULL;
 848 uschar *deliver_localpart_suffix = NULL;
 849 uschar *deliver_localpart_suffix_v = NULL;
 850 uschar *deliver_out_buffer     = NULL;
 851 int     deliver_queue_load_max = -1;
 852 address_item  *deliver_recipients = NULL;
 853 uschar *deliver_selectstring   = NULL;
 854 uschar *deliver_selectstring_sender = NULL;
 855
 856 #ifndef DISABLE_DKIM
 857 unsigned dkim_collect_input      = 0;
 858 uschar *dkim_cur_signer          = NULL;
 859 int     dkim_key_length          = 0;
 860 void   *dkim_signatures          = NULL;
 861 uschar *dkim_signers             = NULL;
 862 uschar *dkim_signing_domain      = NULL;
 863 uschar *dkim_signing_selector    = NULL;
 864 uschar *dkim_verify_hashes       = US"sha256:sha512";
 865 uschar *dkim_verify_keytypes     = US"ed25519:rsa";
 866 uschar *dkim_verify_min_keysizes = US"rsa=1024 ed25519=250";
 867 BOOL    dkim_verify_minimal      = FALSE;
 868 uschar *dkim_verify_overall      = NULL;
 869 uschar *dkim_verify_signers      = US"$dkim_signers";
 870 uschar *dkim_verify_status       = NULL;
 871 uschar *dkim_verify_reason       = NULL;
 872 #endif
 873 #ifdef SUPPORT_DMARC
 874 uschar *dmarc_domain_policy     = NULL;
 875 uschar *dmarc_forensic_sender   = NULL;
 876 uschar *dmarc_history_file      = NULL;
 877 uschar *dmarc_status            = NULL;
 878 uschar *dmarc_status_text       = NULL;
 879 uschar *dmarc_tld_file          = NULL;
 880 uschar *dmarc_used_domain       = NULL;
 881 #endif
 882
 883 uschar *dns_again_means_nonexist = NULL;
 884 int     dns_csa_search_limit   = 5;
 885 int     dns_cname_loops        = 1;
 886 #ifdef SUPPORT_DANE
 887 int     dns_dane_ok            = -1;
 888 #endif
 889 uschar *dns_ipv4_lookup        = NULL;
 890 int     dns_retrans            = 0;
 891 int     dns_retry              = 0;
 892 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 893 uschar *dns_trust_aa           = NULL;
 894 int     dns_use_edns0          = -1; /* <0 = not coerced */
 895 uschar *dnslist_domain         = NULL;
 896 uschar *dnslist_matched        = NULL;
 897 uschar *dnslist_text           = NULL;
 898 uschar *dnslist_value          = NULL;
 899 tree_node *domainlist_anchor   = NULL;
 900 int     domainlist_count       = 0;
 901 const uschar *driver_srcfile   = NULL;
 902 int     driver_srcline         = 0;
 903 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 904 unsigned int dtrigger_selector = 0;
 905
 906 int     errno_quota            = ERRNO_QUOTA;
 907 uschar *errors_copy            = NULL;
 908 int     error_handling         = ERRORS_SENDER;
 909 uschar *errors_reply_to        = NULL;
 910 int     errors_sender_rc       = EXIT_FAILURE;
 911 #ifndef DISABLE_EVENT
 912 uschar *event_action             = NULL;        /* expansion for delivery events */
 913 uschar *event_data               = NULL;        /* auxiliary data variable for event */
 914 int     event_defer_errno        = 0;
 915 const uschar *event_name         = NULL;        /* event name variable */
 916 #endif
 917
 918
 919 gid_t   exim_gid               = EXIM_GID;
 920 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 921                         "\0<---------------Space to patch exim_path->";
 922 uid_t   exim_uid               = EXIM_UID;
 923 int     expand_level           = 0;             /* Nesting depth, indent for debug */
 924 int     expand_forbid          = 0;
 925 int     expand_nlength[EXPAND_MAXN+1];
 926 int     expand_nmax            = -1;
 927 const uschar *expand_nstring[EXPAND_MAXN+1];
 928 uschar *expand_string_message;
 929 uschar *extra_local_interfaces = NULL;
 930
 931 int     fake_response          = OK;
 932 uschar *fake_response_text     = US"Your message has been rejected but is "
 933                                    "being kept for evaluation.\nIf it was a "
 934                                    "legitimate message, it may still be "
 935                                    "delivered to the target recipient(s).";
 936 int     filter_n[FILTER_VARIABLE_COUNT];
 937 int     filter_sn[FILTER_VARIABLE_COUNT];
 938 int     filter_test            = FTEST_NONE;
 939 uschar *filter_test_sfile      = NULL;
 940 uschar *filter_test_ufile      = NULL;
 941 uschar *filter_thisaddress     = NULL;
 942 int     finduser_retries       = 0;
 943 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 944 uschar *freeze_tell            = NULL;
 945 uschar *freeze_tell_config     = NULL;
 946 uschar *fudged_queue_times     = US"";
 947
 948 uschar *gecos_name             = NULL;
 949 uschar *gecos_pattern          = NULL;
 950 rewrite_rule  *global_rewrite_rules = NULL;
 951
 952 volatile sig_atomic_t had_command_timeout = 0;
 953 volatile sig_atomic_t had_command_sigterm = 0;
 954 volatile sig_atomic_t had_data_timeout    = 0;
 955 volatile sig_atomic_t had_data_sigint     = 0;
 956 const uschar *headers_charset  = US HEADERS_CHARSET;
 957 int     header_insert_maxlen   = 64 * 1024;
 958 header_line  *header_last      = NULL;
 959 header_line  *header_list      = NULL;
 960 int     header_maxsize         = HEADER_MAXSIZE;
 961 int     header_line_maxsize    = 0;
 962
 963 header_name header_names[] = {
 964   /* name               len     allow_resent    htype */
 965   { US"bcc",            3,      TRUE,           htype_bcc },
 966   { US"cc",             2,      TRUE,           htype_cc },
 967   { US"date",           4,      TRUE,           htype_date },
 968   { US"delivery-date", 13,      FALSE,          htype_delivery_date },
 969   { US"envelope-to",   11,      FALSE,          htype_envelope_to },
 970   { US"from",           4,      TRUE,           htype_from },
 971   { US"message-id",    10,      TRUE,           htype_id },
 972   { US"received",       8,      FALSE,          htype_received },
 973   { US"reply-to",       8,      FALSE,          htype_reply_to },
 974   { US"return-path",   11,      FALSE,          htype_return_path },
 975   { US"sender",         6,      TRUE,           htype_sender },
 976   { US"subject",        7,      FALSE,          htype_subject },
 977   { US"to",             2,      TRUE,           htype_to }
 978 };
 979
 980 int header_names_size          = nelem(header_names);
 981
 982 uschar *helo_accept_junk_hosts = NULL;
 983 uschar *helo_allow_chars       = US"";
 984 uschar *helo_lookup_domains    = US"@ : @[]";
 985 uschar *helo_try_verify_hosts  = NULL;
 986 uschar *helo_verify_hosts      = NULL;
 987 const uschar *hex_digits       = CUS"0123456789abcdef";
 988 uschar *hold_domains           = NULL;
 989 uschar *host_data              = NULL;
 990 uschar *host_lookup            = NULL;
 991 uschar *host_lookup_order      = US"bydns:byaddr";
 992 uschar *host_lookup_msg        = US"";
 993 int     host_number            = 0;
 994 uschar *host_number_string     = NULL;
 995 uschar *host_reject_connection = NULL;
 996 tree_node *hostlist_anchor     = NULL;
 997 int     hostlist_count         = 0;
 998 uschar *hosts_treat_as_local   = NULL;
 999 uschar *hosts_require_helo     = US"*";
1000 uschar *hosts_connection_nolog = NULL;
1001
1002 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
1003 uschar *ignore_fromline_hosts  = NULL;
1004 int     inetd_wait_timeout     = -1;
1005 uschar *initial_cwd            = NULL;
1006 uschar *interface_address      = NULL;
1007 int     interface_port         = -1;
1008 uschar *iterate_item           = NULL;
1009
1010 int     journal_fd             = -1;
1011
1012 uschar *keep_environment       = NULL;
1013
1014 int     keep_malformed         = 4*24*60*60;    /* 4 days */
1015
1016 uschar *eldap_dn               = NULL;
1017 #ifdef EXPERIMENTAL_ESMTP_LIMITS
1018 uschar *limits_advertise_hosts = US"*";
1019 #endif
1020 int     load_average           = -2;
1021 uschar *local_from_prefix      = NULL;
1022 uschar *local_from_suffix      = NULL;
1023
1024 #if HAVE_IPV6
1025 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
1026 #else
1027 uschar *local_interfaces       = US"0.0.0.0";
1028 #endif
1029
1030 #ifdef HAVE_LOCAL_SCAN
1031 uschar *local_scan_data        = NULL;
1032 int     local_scan_timeout     = 5*60;
1033 #endif
1034 gid_t   local_user_gid         = (gid_t)(-1);
1035 uid_t   local_user_uid         = (uid_t)(-1);
1036
1037 tree_node *localpartlist_anchor= NULL;
1038 int     localpartlist_count    = 0;
1039 uschar *log_buffer             = NULL;
1040
1041 int     log_default[]          = { /* for initializing log_selector */
1042   Li_acl_warn_skipped,
1043   Li_connection_reject,
1044   Li_delay_delivery,
1045   Li_dkim,
1046   Li_dnslist_defer,
1047   Li_etrn,
1048   Li_host_lookup_failed,
1049   Li_lost_incoming_connection,
1050   Li_outgoing_interface, /* see d_log_interface in deliver.c */
1051   Li_msg_id,
1052   Li_queue_run,
1053   Li_queue_time_exclusive,
1054   Li_rejected_header,
1055   Li_retry_defer,
1056   Li_sender_verify_fail,
1057   Li_size_reject,
1058   Li_skip_delivery,
1059   Li_smtp_confirmation,
1060   Li_tls_certificate_verified,
1061   Li_tls_cipher,
1062   -1
1063 };
1064
1065 uschar *log_file_path          = US LOG_FILE_PATH
1066                            "\0<--------------Space to patch log_file_path->";
1067
1068 int     log_notall[]           = {
1069   -1
1070 };
1071 bit_table log_options[]        = { /* must be in alphabetical order,
1072                                 with definitions from enum logbit. */
1073   BIT_TABLE(L, 8bitmime),
1074   BIT_TABLE(L, acl_warn_skipped),
1075   BIT_TABLE(L, address_rewrite),
1076   BIT_TABLE(L, all),
1077   BIT_TABLE(L, all_parents),
1078   BIT_TABLE(L, arguments),
1079   BIT_TABLE(L, connection_reject),
1080   BIT_TABLE(L, delay_delivery),
1081   BIT_TABLE(L, deliver_time),
1082   BIT_TABLE(L, delivery_size),
1083 #ifndef DISABLE_DKIM
1084   BIT_TABLE(L, dkim),
1085   BIT_TABLE(L, dkim_verbose),
1086 #endif
1087   BIT_TABLE(L, dnslist_defer),
1088   BIT_TABLE(L, dnssec),
1089   BIT_TABLE(L, etrn),
1090   BIT_TABLE(L, host_lookup_failed),
1091   BIT_TABLE(L, ident_timeout),
1092   BIT_TABLE(L, incoming_interface),
1093   BIT_TABLE(L, incoming_port),
1094   BIT_TABLE(L, lost_incoming_connection),
1095   BIT_TABLE(L, millisec),
1096   BIT_TABLE(L, msg_id),
1097   BIT_TABLE(L, msg_id_created),
1098   BIT_TABLE(L, outgoing_interface),
1099   BIT_TABLE(L, outgoing_port),
1100   BIT_TABLE(L, pid),
1101   BIT_TABLE(L, pipelining),
1102   BIT_TABLE(L, protocol_detail),
1103 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1104   BIT_TABLE(L, proxy),
1105 #endif
1106   BIT_TABLE(L, queue_run),
1107   BIT_TABLE(L, queue_time),
1108   BIT_TABLE(L, queue_time_exclusive),
1109   BIT_TABLE(L, queue_time_overall),
1110   BIT_TABLE(L, receive_time),
1111   BIT_TABLE(L, received_recipients),
1112   BIT_TABLE(L, received_sender),
1113   BIT_TABLE(L, rejected_header),
1114   { US"rejected_headers", Li_rejected_header },
1115   BIT_TABLE(L, retry_defer),
1116   BIT_TABLE(L, return_path_on_delivery),
1117   BIT_TABLE(L, sender_on_delivery),
1118   BIT_TABLE(L, sender_verify_fail),
1119   BIT_TABLE(L, size_reject),
1120   BIT_TABLE(L, skip_delivery),
1121   BIT_TABLE(L, smtp_confirmation),
1122   BIT_TABLE(L, smtp_connection),
1123   BIT_TABLE(L, smtp_incomplete_transaction),
1124   BIT_TABLE(L, smtp_mailauth),
1125   BIT_TABLE(L, smtp_no_mail),
1126   BIT_TABLE(L, smtp_protocol_error),
1127   BIT_TABLE(L, smtp_syntax_error),
1128   BIT_TABLE(L, subject),
1129   BIT_TABLE(L, tls_certificate_verified),
1130   BIT_TABLE(L, tls_cipher),
1131   BIT_TABLE(L, tls_peerdn),
1132   BIT_TABLE(L, tls_resumption),
1133   BIT_TABLE(L, tls_sni),
1134   BIT_TABLE(L, unknown_in_list),
1135 };
1136 int     log_options_count      = nelem(log_options);
1137
1138 int     log_reject_target      = 0;
1139 unsigned int log_selector[log_selector_size]; /* initialized in main() */
1140 uschar *log_selector_string    = NULL;
1141 FILE   *log_stderr             = NULL;
1142 uschar *login_sender_address   = NULL;
1143 uschar *lookup_dnssec_authenticated = NULL;
1144 int     lookup_open_max        = 25;
1145 uschar *lookup_value           = NULL;
1146
1147 macro_item *macros_user        = NULL;
1148 uschar *mailstore_basename     = NULL;
1149 #ifdef WITH_CONTENT_SCAN
1150 uschar *malware_name           = NULL;  /* Virus Name */
1151 #endif
1152 int     max_received_linelength= 0;
1153 int     max_username_length    = 0;
1154 int     message_age            = 0;
1155 uschar *message_body           = NULL;
1156 uschar *message_body_end       = NULL;
1157 int     message_body_size      = 0;
1158 int     message_body_visible   = 500;
1159 int     message_ended          = END_NOTSTARTED;
1160 uschar *message_headers        = NULL;
1161 uschar *message_id;
1162 uschar *message_id_domain      = NULL;
1163 uschar *message_id_text        = NULL;
1164 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
1165 uschar *message_id_external;
1166 int     message_linecount      = 0;
1167 int     message_size           = 0;
1168 uschar *message_size_limit     = US"50M";
1169 #ifdef SUPPORT_I18N
1170 int     message_utf8_downconvert = 0;   /* -1 ifneeded; 0 never; 1 always */
1171 #endif
1172 uschar  message_subdir[2]      = { 0, 0 };
1173 uschar *message_reference      = NULL;
1174
1175 /* MIME ACL expandables */
1176 #ifdef WITH_CONTENT_SCAN
1177 int     mime_anomaly_level     = 0;
1178 const uschar *mime_anomaly_text      = NULL;
1179 uschar *mime_boundary          = NULL;
1180 uschar *mime_charset           = NULL;
1181 uschar *mime_content_description = NULL;
1182 uschar *mime_content_disposition = NULL;
1183 uschar *mime_content_id        = NULL;
1184 unsigned int mime_content_size = 0;
1185 uschar *mime_content_transfer_encoding = NULL;
1186 uschar *mime_content_type      = NULL;
1187 uschar *mime_decoded_filename  = NULL;
1188 uschar *mime_filename          = NULL;
1189 int     mime_is_multipart      = 0;
1190 int     mime_is_coverletter    = 0;
1191 int     mime_is_rfc822         = 0;
1192 int     mime_part_count        = -1;
1193 #endif
1194
1195 uid_t  *never_users            = NULL;
1196 uschar *notifier_socket        = US"$spool_directory/" NOTIFIER_SOCKET_NAME ;
1197
1198 const int on                   = 1;     /* for setsockopt */
1199 const int off                  = 0;
1200
1201 uid_t   original_euid;
1202 gid_t   originator_gid;
1203 uschar *originator_login       = NULL;
1204 uschar *originator_name        = NULL;
1205 uid_t   originator_uid;
1206 uschar *override_local_interfaces = NULL;
1207 uschar *override_pid_file_path = NULL;
1208
1209 pcre2_general_context * pcre_gen_ctx = NULL;
1210 pcre2_compile_context * pcre_cmp_ctx = NULL;
1211 pcre2_match_context * pcre_mtc_ctx = NULL;
1212
1213 uschar *percent_hack_domains   = NULL;
1214 uschar *pid_file_path          = US PID_FILE_PATH
1215                            "\0<--------------Space to patch pid_file_path->";
1216 #ifndef DISABLE_PIPE_CONNECT
1217 uschar *pipe_connect_advertise_hosts = US"*";
1218 #endif
1219 uschar *pipelining_advertise_hosts = US"*";
1220 uschar *primary_hostname       = NULL;
1221 uschar *process_info;
1222 int     process_info_len       = 0;
1223 uschar *process_log_path       = NULL;
1224 const uschar *process_purpose  = US"fresh-exec";
1225
1226 #if defined(SUPPORT_PROXY) || defined(SUPPORT_SOCKS)
1227 uschar *hosts_proxy            = NULL;
1228 uschar *proxy_external_address = NULL;
1229 int     proxy_external_port    = 0;
1230 uschar *proxy_local_address    = NULL;
1231 int     proxy_local_port       = 0;
1232 int     proxy_protocol_timeout = 3;
1233 #endif
1234
1235 uschar *prvscheck_address      = NULL;
1236 uschar *prvscheck_keynum       = NULL;
1237 uschar *prvscheck_result       = NULL;
1238
1239
1240 const uschar *qualify_domain_recipient = NULL;
1241 uschar *qualify_domain_sender  = NULL;
1242 uschar *queue_domains          = NULL;
1243 int     queue_interval         = -1;
1244 uschar *queue_name             = US"";
1245 uschar *queue_name_dest        = NULL;
1246 uschar *queue_only_file        = NULL;
1247 int     queue_only_load        = -1;
1248 uschar *queue_run_max          = US"5";
1249 pid_t   queue_run_pid          = (pid_t)0;
1250 int     queue_run_pipe         = -1;
1251 unsigned queue_size            = 0;
1252 time_t  queue_size_next        = 0;
1253 uschar *queue_smtp_domains     = NULL;
1254
1255 uint32_t random_seed           = 0;
1256 tree_node *ratelimiters_cmd    = NULL;
1257 tree_node *ratelimiters_conn   = NULL;
1258 tree_node *ratelimiters_mail   = NULL;
1259 uschar *raw_active_hostname    = NULL;
1260 uschar *raw_sender             = NULL;
1261 uschar **raw_recipients        = NULL;
1262 int     raw_recipients_count   = 0;
1263
1264 int     rcpt_count             = 0;
1265 int     rcpt_fail_count        = 0;
1266 int     rcpt_defer_count       = 0;
1267 gid_t   real_gid;
1268 uid_t   real_uid;
1269 int     receive_linecount      = 0;
1270 int     receive_messagecount   = 0;
1271 int     receive_timeout        = 0;
1272 int     received_count         = 0;
1273 uschar *received_for           = NULL;
1274
1275 /*  This is the default text for Received headers generated by Exim. The
1276 date  will be automatically added on the end. */
1277
1278 uschar *received_header_text   = US
1279      "Received: "
1280      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1281        "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1282          "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1283      "by $primary_hostname "
1284      "${if def:received_protocol {with $received_protocol }}"
1285 #ifndef DISABLE_TLS
1286      "${if def:tls_in_ver        { ($tls_in_ver)}}"
1287      "${if def:tls_in_cipher_std { tls $tls_in_cipher_std\n\t}}"
1288 #endif
1289      "(Exim $version_number)\n\t"
1290      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1291      "id $message_exim_id"
1292      "${if def:received_for {\n\tfor $received_for}}"
1293      "\0<---------------Space to patch received_header_text->";
1294
1295 int     received_headers_max   = 30;
1296 uschar *received_protocol      = NULL;
1297 struct timeval received_time   = { 0, 0 };
1298 struct timeval received_time_complete = { 0, 0 };
1299 uschar *recipient_data         = NULL;
1300 uschar *recipient_unqualified_hosts = NULL;
1301 uschar *recipient_verify_failure = NULL;
1302 int     recipients_count       = 0;
1303 recipient_item  *recipients_list = NULL;
1304 int     recipients_list_max    = 0;
1305 int     recipients_max         = 50000;
1306 const pcre2_code *regex_AUTH         = NULL;
1307 const pcre2_code *regex_check_dns_names = NULL;
1308 const pcre2_code *regex_From         = NULL;
1309 const pcre2_code *regex_IGNOREQUOTA  = NULL;
1310 const pcre2_code *regex_PIPELINING   = NULL;
1311 const pcre2_code *regex_SIZE         = NULL;
1312 #ifndef DISABLE_PIPE_CONNECT
1313 const pcre2_code *regex_EARLY_PIPE   = NULL;
1314 #endif
1315 const pcre2_code *regex_ismsgid      = NULL;
1316 const pcre2_code *regex_smtp_code    = NULL;
1317 const uschar *regex_vars[REGEX_VARS];
1318 #ifdef WHITELIST_D_MACROS
1319 const pcre2_code *regex_whitelisted_macro = NULL;
1320 #endif
1321 #ifdef WITH_CONTENT_SCAN
1322 uschar *regex_match_string     = NULL;
1323 #endif
1324 int     remote_delivery_count  = 0;
1325 int     remote_max_parallel    = 2;
1326 uschar *remote_sort_domains    = NULL;
1327 int     retry_data_expire      = 7*24*60*60;
1328 int     retry_interval_max     = 24*60*60;
1329 int     retry_maximum_timeout  = 0;        /* set from retry config */
1330 retry_config  *retries         = NULL;
1331 uschar *return_path            = NULL;
1332 int     rewrite_existflags     = 0;
1333 uschar *rfc1413_hosts          = US"@[]";
1334 int     rfc1413_query_timeout  = 0;
1335 uid_t   root_gid               = ROOT_GID;
1336 uid_t   root_uid               = ROOT_UID;
1337
1338 router_instance  *routers  = NULL;
1339 router_instance  router_defaults = {
1340     .next =                     NULL,
1341     .name =                     NULL,
1342     .info =                     NULL,
1343     .options_block =            NULL,
1344     .driver_name =              NULL,
1345
1346     .address_data =             NULL,
1347 #ifdef EXPERIMENTAL_BRIGHTMAIL
1348     .bmi_rule =                 NULL,
1349 #endif
1350     .cannot_route_message =     NULL,
1351     .condition =                NULL,
1352     .current_directory =        NULL,
1353     .debug_string =             NULL,
1354     .domains =                  NULL,
1355     .errors_to =                NULL,
1356     .expand_gid =               NULL,
1357     .expand_uid =               NULL,
1358     .expand_more =              NULL,
1359     .expand_unseen =            NULL,
1360     .extra_headers =            NULL,
1361     .fallback_hosts =           NULL,
1362     .home_directory =           NULL,
1363     .ignore_target_hosts =      NULL,
1364     .local_parts =              NULL,
1365     .pass_router_name =         NULL,
1366     .prefix =                   NULL,
1367     .redirect_router_name =     NULL,
1368     .remove_headers =           NULL,
1369     .require_files =            NULL,
1370     .router_home_directory =    NULL,
1371     .self =                     US"freeze",
1372     .senders =                  NULL,
1373     .suffix =                   NULL,
1374     .translate_ip_address =     NULL,
1375     .transport_name =           NULL,
1376
1377     .address_test =             TRUE,
1378 #ifdef EXPERIMENTAL_BRIGHTMAIL
1379     .bmi_deliver_alternate =    FALSE,
1380     .bmi_deliver_default =      FALSE,
1381     .bmi_dont_deliver =         FALSE,
1382 #endif
1383     .expn =                     TRUE,
1384     .caseful_local_part =       FALSE,
1385     .check_local_user =         FALSE,
1386     .disable_logging =          FALSE,
1387     .fail_verify_recipient =    FALSE,
1388     .fail_verify_sender =       FALSE,
1389     .gid_set =                  FALSE,
1390     .initgroups =               FALSE,
1391     .log_as_local =             TRUE_UNSET,
1392     .more =                     TRUE,
1393     .pass_on_timeout =          FALSE,
1394     .prefix_optional =          FALSE,
1395     .repeat_use =               TRUE,
1396     .retry_use_local_part =     TRUE_UNSET,
1397     .same_domain_copy_routing = FALSE,
1398     .self_rewrite =             FALSE,
1399     .set =                      NULL,
1400     .suffix_optional =          FALSE,
1401     .verify_only =              FALSE,
1402     .verify_recipient =         TRUE,
1403     .verify_sender =            TRUE,
1404     .uid_set =                  FALSE,
1405     .unseen =                   FALSE,
1406     .dsn_lasthop =              FALSE,
1407
1408     .self_code =                self_freeze,
1409     .uid =                      (uid_t)(-1),
1410     .gid =                      (gid_t)(-1),
1411
1412     .fallback_hostlist =        NULL,
1413     .transport =                NULL,
1414     .pass_router =              NULL,
1415     .redirect_router =          NULL,
1416
1417     .dnssec =                   { .request= US"*", .require=NULL },
1418 };
1419
1420 uschar *router_name            = NULL;
1421 tree_node *router_var          = NULL;
1422
1423 ip_address_item *running_interfaces = NULL;
1424
1425 /* This is a weird one. The following string gets patched in the binary by the
1426 script that sets up a copy of Exim for running in the test harness. It seems
1427 that compilers are now clever, and share constant strings if they can.
1428 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1429 make use of the end of this string in order to save space. So the patching then
1430 wrecks this. We defeat this optimization by adding some additional characters
1431 onto the end of the string. */
1432
1433 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1434
1435 int     runrc                  = 0;
1436
1437 uschar *search_error_message   = NULL;
1438 uschar *self_hostname          = NULL;
1439 uschar *sender_address         = NULL;
1440 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1441 uschar *sender_address_data    = NULL;
1442 uschar *sender_address_unrewritten = NULL;
1443 uschar *sender_data            = NULL;
1444 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1445 uschar *sender_fullhost        = NULL;
1446 uschar *sender_helo_name       = NULL;
1447 uschar **sender_host_aliases   = &no_aliases;
1448 uschar *sender_host_address    = NULL;
1449 uschar *sender_host_authenticated = NULL;
1450 uschar *sender_host_auth_pubname  = NULL;
1451 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1452 uschar *sender_host_name       = NULL;
1453 int     sender_host_port       = 0;
1454 uschar *sender_ident           = NULL;
1455 uschar *sender_rate            = NULL;
1456 uschar *sender_rate_limit      = NULL;
1457 uschar *sender_rate_period     = NULL;
1458 uschar *sender_rcvhost         = NULL;
1459 uschar *sender_unqualified_hosts = NULL;
1460 uschar *sender_verify_failure = NULL;
1461 address_item *sender_verified_list  = NULL;
1462 address_item *sender_verified_failed = NULL;
1463 int     sender_verified_rc     = -1;
1464 uschar *sending_ip_address     = NULL;
1465 int     sending_port           = -1;
1466 SIGNAL_BOOL sigalrm_seen       = FALSE;
1467 const uschar *sigalarm_setter  = NULL;
1468 uschar **sighup_argv           = NULL;
1469 int     slow_lookup_log        = 0;     /* millisecs, zero disables */
1470 int     smtp_accept_count      = 0;
1471 int     smtp_accept_max        = 20;
1472 int     smtp_accept_max_nonmail= 10;
1473 uschar *smtp_accept_max_nonmail_hosts = US"*";
1474 uschar *smtp_accept_max_per_connection = US"1000";
1475 uschar *smtp_accept_max_per_host = NULL;
1476 int     smtp_accept_queue      = 0;
1477 int     smtp_accept_queue_per_connection = 10;
1478 int     smtp_accept_reserve    = 0;
1479 uschar *smtp_active_hostname   = NULL;
1480 int     smtp_backlog_monitor   = 0;
1481 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1482                              "Exim $version_number $tod_full"
1483                              "\0<---------------Space to patch smtp_banner->";
1484 int     smtp_ch_index          = 0;
1485 uschar *smtp_cmd_argument      = NULL;
1486 uschar *smtp_cmd_buffer        = NULL;
1487 struct timeval smtp_connection_start  = {0,0};
1488 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1489 int     smtp_connect_backlog   = 20;
1490 double  smtp_delay_mail        = 0.0;
1491 double  smtp_delay_rcpt        = 0.0;
1492 FILE   *smtp_in                = NULL;
1493 int     smtp_listen_backlog    = 0;
1494 int     smtp_load_reserve      = -1;
1495 int     smtp_mailcmd_count     = 0;
1496 int     smtp_mailcmd_max       = -1;
1497 FILE   *smtp_out               = NULL;
1498 uschar *smtp_etrn_command      = NULL;
1499 int     smtp_max_synprot_errors= 3;
1500 int     smtp_max_unknown_commands = 3;
1501 uschar *smtp_notquit_reason    = NULL;
1502 unsigned smtp_peer_options     = 0;
1503 unsigned smtp_peer_options_wrap= 0;
1504 uschar *smtp_ratelimit_hosts   = NULL;
1505 uschar *smtp_ratelimit_mail    = NULL;
1506 uschar *smtp_ratelimit_rcpt    = NULL;
1507 uschar *smtp_read_error        = US"";
1508 int     smtp_receive_timeout   = 5*60;
1509 uschar *smtp_receive_timeout_s = NULL;
1510 uschar *smtp_reserve_hosts     = NULL;
1511 int     smtp_rlm_base          = 0;
1512 double  smtp_rlm_factor        = 0.0;
1513 int     smtp_rlm_limit         = 0;
1514 int     smtp_rlm_threshold     = INT_MAX;
1515 int     smtp_rlr_base          = 0;
1516 double  smtp_rlr_factor        = 0.0;
1517 int     smtp_rlr_limit         = 0;
1518 int     smtp_rlr_threshold     = INT_MAX;
1519 #ifdef SUPPORT_I18N
1520 uschar *smtputf8_advertise_hosts = US"*";       /* overridden under test-harness */
1521 #endif
1522
1523 #ifdef WITH_CONTENT_SCAN
1524 uschar *spamd_address          = US"127.0.0.1 783";
1525 uschar *spam_bar               = NULL;
1526 uschar *spam_report            = NULL;
1527 uschar *spam_action            = NULL;
1528 uschar *spam_score             = NULL;
1529 uschar *spam_score_int         = NULL;
1530 #endif
1531 #ifdef SUPPORT_SPF
1532 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1533 uschar *spf_header_comment     = NULL;
1534 uschar *spf_received           = NULL;
1535 uschar *spf_result             = NULL;
1536 uschar *spf_smtp_comment       = NULL;
1537 uschar *spf_smtp_comment_template
1538                     /* Used to be: "Please%_see%_http://www.open-spf.org/Why?id=%{S}&ip=%{C}&receiver=%{R}" */
1539                                = US"Please%_see%_http://www.open-spf.org/Why";
1540
1541 #endif
1542
1543 FILE   *spool_data_file        = NULL;
1544 uschar *spool_directory        = US SPOOL_DIRECTORY
1545                            "\0<--------------Space to patch spool_directory->";
1546 #ifdef SUPPORT_SRS
1547 uschar *srs_recipient          = NULL;
1548 #endif
1549 int     string_datestamp_offset= -1;
1550 int     string_datestamp_length= 0;
1551 int     string_datestamp_type  = -1;
1552 const uschar *submission_domain = NULL;
1553 const uschar *submission_name  = NULL;
1554 int     syslog_facility        = LOG_MAIL;
1555 uschar *syslog_processname     = US"exim";
1556 uschar *system_filter          = NULL;
1557
1558 uschar *system_filter_directory_transport = NULL;
1559 uschar *system_filter_file_transport = NULL;
1560 uschar *system_filter_pipe_transport = NULL;
1561 uschar *system_filter_reply_transport = NULL;
1562
1563 gid_t   system_filter_gid      = 0;
1564 uid_t   system_filter_uid      = (uid_t)-1;
1565
1566 blob    tcp_fastopen_nodata    = { .data = NULL, .len = 0 };
1567 tfo_state_t tcp_out_fastopen   = TFO_NOT_USED;
1568 #ifdef USE_TCP_WRAPPERS
1569 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1570 #endif
1571 int     test_harness_load_avg  = 0;
1572 int     thismessage_size_limit = 0;
1573 int     timeout_frozen_after   = 0;
1574 #ifdef MEASURE_TIMING
1575 struct timeval timestamp_startup;
1576 #endif
1577
1578 transport_instance  *transports = NULL;
1579
1580 transport_instance  transport_defaults = {
1581     /* All non-mentioned elements zero/NULL/FALSE */
1582     .batch_max =                1,
1583     .multi_domain =             TRUE,
1584     .max_addresses =            100,
1585     .connection_max_messages =  500,
1586     .uid =                      (uid_t)(-1),
1587     .gid =                      (gid_t)(-1),
1588     .filter_timeout =           300,
1589     .retry_use_local_part =     TRUE_UNSET,     /* retry_use_local_part: BOOL, but set neither
1590                                                  1 nor 0 so can detect unset */
1591 };
1592
1593 int     transport_count;
1594 uschar *transport_name          = NULL;
1595 int     transport_newlines;
1596 const uschar **transport_filter_argv  = NULL;
1597 int     transport_filter_timeout;
1598 int     transport_write_timeout= 0;
1599
1600 tree_node  *tree_dns_fails     = NULL;
1601 tree_node  *tree_duplicates    = NULL;
1602 tree_node  *tree_nonrecipients = NULL;
1603 tree_node  *tree_unusable      = NULL;
1604
1605 gid_t  *trusted_groups         = NULL;
1606 uid_t  *trusted_users          = NULL;
1607 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1608
1609 uschar *unknown_login          = NULL;
1610 uschar *unknown_username       = NULL;
1611 uschar *untrusted_set_sender   = NULL;
1612
1613 /*  A regex for matching a "From_" line in an incoming message, in the form
1614
1615     From ph10 Fri Jan  5 12:35 GMT 1996
1616
1617 which  the "mail" commands send to the MTA (undocumented, of course), or in
1618 the  form
1619
1620     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1621
1622 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1623 Because  of variations in time formats, just match up to the minutes. That
1624 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1625 so  just require one digit for hours and minutes. The weekday is also absent
1626 in  some forms. */
1627
1628 uschar *uucp_from_pattern      = US
1629    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1630    "(?:"                                          /* Non-extracting bracket */
1631    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1632    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1633    ")"                                            /* End alternation */
1634    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1635
1636 uschar *uucp_from_sender       = US"$1";
1637
1638 uschar *verify_mode            = NULL;
1639 uschar *version_copyright      =
1640  US"Copyright (c) University of Cambridge, 1995 - 2018\n"
1641    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2022";
1642 uschar *version_date           = US"?";
1643 uschar *version_cnumber        = US"????";
1644 uschar *version_string         = US"?";
1645
1646 uschar *warn_message_file      = NULL;
1647 int     warning_count          = 0;
1648 uschar *warnmsg_delay          = NULL;
1649 uschar *warnmsg_recipients     = NULL;
1650
1651
1652 /*  End of globals.c */