src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.54 2006/06/28 16:00:24 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2006 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* All the global variables are defined together in this one module, so
  11 that they are easy to find. */
  12
  13 #include "exim.h"
  14
  15
  16 /* The OSF1 linker puts out a worrying warning if any sections contain no
  17 executable code. It says
  18
  19 Warning: Linking some objects which contain exception information sections
  20         and some which do not. This may cause fatal runtime exception handling
  21         problems.
  22
  23 As this may cause people to worry needlessly, include a dummy function here
  24 to stop the message from appearing. Make it reference itself to stop picky
  25 compilers complaining that it is unused, and put in a dummy argument to stop
  26 even pickier compilers complaining about infinite loops. */
  27
  28 static void dummy(int x) { dummy(x-1); }
  29
  30
  31 /* Generic options for auths, all of which live inside auth_instance
  32 data blocks and hence have the opt_public flag set. */
  33
  34 optionlist optionlist_auths[] = {
  35   { "driver",        opt_stringptr | opt_public,
  36                  (void *)(offsetof(auth_instance, driver_name)) },
  37   { "public_name",   opt_stringptr | opt_public,
  38                  (void *)(offsetof(auth_instance, public_name)) },
  39   { "server_advertise_condition", opt_stringptr | opt_public,
  40                  (void *)(offsetof(auth_instance, advertise_condition))},
  41   { "server_debug_print", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, server_debug_string)) },
  43   { "server_mail_auth_condition", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  45   { "server_set_id", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, set_id)) }
  47 };
  48
  49 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  50
  51 /* An empty host aliases list. */
  52
  53 uschar *no_aliases             = NULL;
  54
  55
  56 /* For comments on these variables, see globals.h. I'm too idle to
  57 duplicate them here... */
  58
  59 #ifdef EXIM_PERL
  60 uschar *opt_perl_startup       = NULL;
  61 BOOL    opt_perl_at_start      = FALSE;
  62 BOOL    opt_perl_started       = FALSE;
  63 #endif
  64
  65 #ifdef EXPAND_DLFUNC
  66 tree_node *dlobj_anchor        = NULL;
  67 #endif
  68
  69 #ifdef LOOKUP_IBASE
  70 uschar *ibase_servers          = NULL;
  71 #endif
  72
  73 #ifdef LOOKUP_LDAP
  74 uschar *eldap_default_servers  = NULL;
  75 int     eldap_version          = -1;
  76 #endif
  77
  78 #ifdef LOOKUP_MYSQL
  79 uschar *mysql_servers          = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_ORACLE
  83 uschar *oracle_servers         = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_PGSQL
  87 uschar *pgsql_servers          = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_SQLITE
  91 int     sqlite_lock_timeout    = 5;
  92 #endif
  93
  94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  95 BOOL    move_frozen_messages   = FALSE;
  96 #endif
  97
  98 /* These variables are outside the #ifdef because it keeps the code less
  99 cluttered in several places (e.g. during logging) if we can always refer to
 100 them. Also, the tls_ variables are now always visible. */
 101
 102 BOOL    tls_active             = -1;
 103 BOOL    tls_certificate_verified = FALSE;
 104 uschar *tls_cipher             = NULL;
 105 BOOL    tls_on_connect         = FALSE;
 106 uschar *tls_on_connect_ports   = NULL;
 107 uschar *tls_peerdn             = NULL;
 108
 109 #ifdef SUPPORT_TLS
 110 const pcre *regex_STARTTLS     = NULL;
 111 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 112 uschar *tls_certificate        = NULL;
 113 uschar *tls_crl                = NULL;
 114 uschar *tls_dhparam            = NULL;
 115 BOOL    tls_offered            = FALSE;
 116 uschar *tls_privatekey         = NULL;
 117 BOOL    tls_remember_esmtp     = FALSE;
 118 uschar *tls_require_ciphers    = NULL;
 119 uschar *tls_try_verify_hosts   = NULL;
 120 uschar *tls_verify_certificates= NULL;
 121 uschar *tls_verify_hosts       = NULL;
 122 #endif
 123
 124
 125 /* Input-reading functions for messages, so we can use special ones for
 126 incoming TCP/IP. The defaults use stdin. We never need these for any
 127 stand-alone tests. */
 128
 129 #ifndef STAND_ALONE
 130 int (*receive_getc)(void)      = stdin_getc;
 131 int (*receive_ungetc)(int)     = stdin_ungetc;
 132 int (*receive_feof)(void)      = stdin_feof;
 133 int (*receive_ferror)(void)    = stdin_ferror;
 134 #endif
 135
 136
 137 /* List of per-address expansion variables for clearing and saving/restoring
 138 when verifying one address while routing/verifying another. We have to have
 139 the size explicit, because it is referenced from more than one module. */
 140
 141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 142   &deliver_address_data,
 143   &deliver_domain,
 144   &deliver_domain_data,
 145   &deliver_domain_orig,
 146   &deliver_domain_parent,
 147   &deliver_localpart,
 148   &deliver_localpart_data,
 149   &deliver_localpart_orig,
 150   &deliver_localpart_parent,
 151   &deliver_localpart_prefix,
 152   &deliver_localpart_suffix,
 153   (uschar **)(&deliver_recipients),
 154   &deliver_host,
 155   &deliver_home,
 156   &address_file,
 157   &address_pipe,
 158   &self_hostname,
 159   NULL };
 160
 161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 162
 163 /* General global variables */
 164
 165 header_line *acl_added_headers = NULL;
 166 tree_node *acl_anchor          = NULL;
 167 uschar *acl_not_smtp           = NULL;
 168 #ifdef WITH_CONTENT_SCAN
 169 uschar *acl_not_smtp_mime      = NULL;
 170 #endif
 171 uschar *acl_not_smtp_start     = NULL;
 172 uschar *acl_smtp_auth          = NULL;
 173 uschar *acl_smtp_connect       = NULL;
 174 uschar *acl_smtp_data          = NULL;
 175 uschar *acl_smtp_etrn          = NULL;
 176 uschar *acl_smtp_expn          = NULL;
 177 uschar *acl_smtp_helo          = NULL;
 178 uschar *acl_smtp_mail          = NULL;
 179 uschar *acl_smtp_mailauth      = NULL;
 180 #ifdef WITH_CONTENT_SCAN
 181 uschar *acl_smtp_mime          = NULL;
 182 #endif
 183 uschar *acl_smtp_predata       = NULL;
 184 uschar *acl_smtp_quit          = NULL;
 185 uschar *acl_smtp_rcpt          = NULL;
 186 uschar *acl_smtp_starttls      = NULL;
 187 uschar *acl_smtp_vrfy          = NULL;
 188 BOOL    acl_temp_details       = FALSE;
 189 uschar *acl_var[ACL_CVARS + ACL_MVARS];
 190 uschar *acl_verify_message     = NULL;
 191 string_item *acl_warn_logged   = NULL;
 192
 193 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 194 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 195
 196 uschar *acl_wherenames[]       = { US"RCPT",
 197                                    US"MAIL",
 198                                    US"PREDATA",
 199                                    US"MIME",
 200                                    US"DATA",
 201                                    US"non-SMTP",
 202                                    US"AUTH",
 203                                    US"connection",
 204                                    US"ETRN",
 205                                    US"EXPN",
 206                                    US"EHLO or HELO",
 207                                    US"MAILAUTH",
 208                                    US"non-SMTP-start",
 209                                    US"QUIT",
 210                                    US"STARTTLS",
 211                                    US"VRFY"
 212                                  };
 213
 214 int     acl_wherecodes[]       = { 550,     /* RCPT */
 215                                    550,     /* MAIL */
 216                                    550,     /* PREDATA */
 217                                    550,     /* MIME */
 218                                    550,     /* DATA */
 219                                    0,       /* not SMTP; not relevant */
 220                                    503,     /* AUTH */
 221                                    550,     /* connect */
 222                                    458,     /* ETRN */
 223                                    550,     /* EXPN */
 224                                    550,     /* HELO/EHLO */
 225                                    0,       /* MAILAUTH; not relevant */
 226                                    0,       /* not SMTP; not relevant */
 227                                    0,       /* QUIT; not relevant */
 228                                    550,     /* STARTTLS */
 229                                    252      /* VRFY */
 230                                  };
 231
 232 BOOL    active_local_from_check = FALSE;
 233 BOOL    active_local_sender_retain = FALSE;
 234 BOOL    accept_8bitmime        = FALSE;
 235 address_item  *addr_duplicate  = NULL;
 236
 237 address_item address_defaults = {
 238   NULL,                 /* next */
 239   NULL,                 /* parent */
 240   NULL,                 /* first */
 241   NULL,                 /* dupof */
 242   NULL,                 /* start_router */
 243   NULL,                 /* router */
 244   NULL,                 /* transport */
 245   NULL,                 /* host_list */
 246   NULL,                 /* host_used */
 247   NULL,                 /* fallback_hosts */
 248   NULL,                 /* reply */
 249   NULL,                 /* retries */
 250   NULL,                 /* address */
 251   NULL,                 /* unique */
 252   NULL,                 /* cc_local_part */
 253   NULL,                 /* lc_local_part */
 254   NULL,                 /* local_part */
 255   NULL,                 /* prefix */
 256   NULL,                 /* suffix */
 257   NULL,                 /* domain */
 258   NULL,                 /* address_retry_key */
 259   NULL,                 /* domain_retry_key */
 260   NULL,                 /* current_dir */
 261   NULL,                 /* home_dir */
 262   NULL,                 /* message */
 263   NULL,                 /* user_message */
 264   NULL,                 /* onetime_parent */
 265   NULL,                 /* pipe_expandn */
 266   NULL,                 /* return_filename */
 267   NULL,                 /* self_hostname */
 268   NULL,                 /* shadow_message */
 269   #ifdef SUPPORT_TLS
 270   NULL,                 /* cipher */
 271   NULL,                 /* peerdn */
 272   #endif
 273   (uid_t)(-1),          /* uid */
 274   (gid_t)(-1),          /* gid */
 275   0,                    /* flags */
 276   { 0 },                /* domain_cache - any larger array should be zeroed */
 277   { 0 },                /* localpart_cache - ditto */
 278   -1,                   /* mode */
 279   0,                    /* more_errno */
 280   ERRNO_UNKNOWNERROR,   /* basic_errno */
 281   0,                    /* child_count */
 282   -1,                   /* return_file */
 283   SPECIAL_NONE,         /* special_action */
 284   DEFER,                /* transport_return */
 285   {                     /* fields that are propagated to children */
 286     NULL,               /* address_data */
 287     NULL,               /* domain_data */
 288     NULL,               /* localpart_data */
 289     NULL,               /* errors_address */
 290     NULL,               /* extra_headers */
 291     NULL,               /* remove_headers */
 292 #ifdef EXPERIMENTAL_SRS
 293     NULL,               /* srs_sender */
 294 #endif
 295   }
 296 };
 297
 298 uschar *address_file           = NULL;
 299 uschar *address_pipe           = NULL;
 300 BOOL    address_test_mode      = FALSE;
 301 tree_node *addresslist_anchor  = NULL;
 302 int     addresslist_count      = 0;
 303 gid_t  *admin_groups           = NULL;
 304 BOOL    admin_user             = FALSE;
 305 BOOL    allow_auth_unadvertised= FALSE;
 306 BOOL    allow_domain_literals  = FALSE;
 307 BOOL    allow_mx_to_ip         = FALSE;
 308 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 309 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 310 BOOL    allow_utf8_domains     = FALSE;
 311 uschar *authenticated_id       = NULL;
 312 uschar *authenticated_sender   = NULL;
 313 BOOL    authentication_failed  = FALSE;
 314 auth_instance  *auths          = NULL;
 315 uschar *auth_advertise_hosts   = US"*";
 316 auth_instance auth_defaults    = {
 317     NULL,                      /* chain pointer */
 318     NULL,                      /* name */
 319     NULL,                      /* info */
 320     NULL,                      /* private options block pointer */
 321     NULL,                      /* driver_name */
 322     NULL,                      /* advertise_condition */
 323     NULL,                      /* public_name */
 324     NULL,                      /* set_id */
 325     NULL,                      /* server_mail_auth_condition */
 326     NULL,                      /* server_debug_string */
 327     FALSE,                     /* client */
 328     FALSE,                     /* server */
 329     FALSE                      /* advertised */
 330 };
 331
 332 uschar *auth_defer_msg         = US"reason not recorded";
 333 uschar *auth_defer_user_msg    = US"";
 334 uschar *auth_vars[AUTH_VARS];
 335 int     auto_thaw              = 0;
 336 #ifdef WITH_CONTENT_SCAN
 337 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 338 #endif
 339
 340 BOOL    background_daemon      = TRUE;
 341
 342 #if BASE_62 == 62
 343 uschar *base62_chars=
 344     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 345 #else
 346 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 347 #endif
 348
 349 uschar *bi_command             = NULL;
 350 uschar *big_buffer             = NULL;
 351 int     big_buffer_size        = BIG_BUFFER_SIZE;
 352 #ifdef EXPERIMENTAL_BRIGHTMAIL
 353 uschar *bmi_alt_location       = NULL;
 354 uschar *bmi_base64_tracker_verdict = NULL;
 355 uschar *bmi_base64_verdict     = NULL;
 356 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 357 int     bmi_deliver            = 1;
 358 int     bmi_run                = 0;
 359 uschar *bmi_verdicts           = NULL;
 360 #endif
 361 int     body_linecount         = 0;
 362 int     body_zerocount         = 0;
 363 uschar *bounce_message_file    = NULL;
 364 uschar *bounce_message_text    = NULL;
 365 uschar *bounce_recipient       = NULL;
 366 BOOL    bounce_return_body     = TRUE;
 367 BOOL    bounce_return_message  = TRUE;
 368 int     bounce_return_size_limit = 100*1024;
 369 uschar *bounce_sender_authentication = NULL;
 370 int     bsmtp_transaction_linecount = 0;
 371
 372 int     callout_cache_domain_positive_expire = 7*24*60*60;
 373 int     callout_cache_domain_negative_expire = 3*60*60;
 374 int     callout_cache_positive_expire = 24*60*60;
 375 int     callout_cache_negative_expire = 2*60*60;
 376 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 377 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
 378 int     check_log_inodes       = 0;
 379 int     check_log_space        = 0;
 380 BOOL    check_rfc2047_length   = TRUE;
 381 int     check_spool_inodes     = 0;
 382 int     check_spool_space      = 0;
 383 int     clmacro_count          = 0;
 384 uschar *clmacros[MAX_CLMACROS];
 385 BOOL    config_changed         = FALSE;
 386 FILE   *config_file            = NULL;
 387 uschar *config_filename        = NULL;
 388 int     config_lineno          = 0;
 389 #ifdef CONFIGURE_GROUP
 390 gid_t   config_gid             = CONFIGURE_GROUP;
 391 #endif
 392 uschar *config_main_filelist   = US CONFIGURE_FILE
 393                          "\0<-----------Space to patch configure_filename->";
 394 uschar *config_main_filename   = NULL;
 395
 396 #ifdef CONFIGURE_OWNER
 397 uid_t   config_uid             = CONFIGURE_OWNER;
 398 #endif
 399
 400 int     connection_max_messages= -1;
 401 uschar *continue_hostname      = NULL;
 402 uschar *continue_host_address  = NULL;
 403 BOOL    continue_more          = FALSE;
 404 int     continue_sequence      = 1;
 405 uschar *continue_transport     = NULL;
 406
 407 uschar *csa_status             = NULL;
 408
 409 BOOL    daemon_listen          = FALSE;
 410 uschar *daemon_smtp_port       = US"smtp";
 411 int     daemon_startup_retries = 9;
 412 int     daemon_startup_sleep   = 30;
 413 BOOL    debug_daemon           = FALSE;
 414 int     debug_fd               = -1;
 415 FILE   *debug_file             = NULL;
 416 bit_table debug_options[]      = {
 417   { US"acl",            D_acl },
 418   { US"all",            D_all },
 419   { US"auth",           D_auth },
 420   { US"deliver",        D_deliver },
 421   { US"dns",            D_dns },
 422   { US"dnsbl",          D_dnsbl },
 423   { US"exec",           D_exec },
 424   { US"expand",         D_expand },
 425   { US"filter",         D_filter },
 426   { US"hints_lookup",   D_hints_lookup },
 427   { US"host_lookup",    D_host_lookup },
 428   { US"ident",          D_ident },
 429   { US"interface",      D_interface },
 430   { US"lists",          D_lists },
 431   { US"load",           D_load },
 432   { US"local_scan",     D_local_scan },
 433   { US"lookup",         D_lookup },
 434   { US"memory",         D_memory },
 435   { US"pid",            D_pid },
 436   { US"process_info",   D_process_info },
 437   { US"queue_run",      D_queue_run },
 438   { US"receive",        D_receive },
 439   { US"resolver",       D_resolver },
 440   { US"retry",          D_retry },
 441   { US"rewrite",        D_rewrite },
 442   { US"route",          D_route },
 443   { US"timestamp",      D_timestamp },
 444   { US"tls",            D_tls },
 445   { US"transport",      D_transport },
 446   { US"uid",            D_uid },
 447   { US"verify",         D_verify }
 448 };
 449 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 450 unsigned int debug_selector    = 0;
 451 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 452 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
 453 BOOL    delivery_date_remove   = TRUE;
 454 uschar *deliver_address_data   = NULL;
 455 int     deliver_datafile       = -1;
 456 uschar *deliver_domain         = NULL;
 457 uschar *deliver_domain_data    = NULL;
 458 uschar *deliver_domain_orig    = NULL;
 459 uschar *deliver_domain_parent  = NULL;
 460 BOOL    deliver_drop_privilege = FALSE;
 461 BOOL    deliver_firsttime      = FALSE;
 462 BOOL    deliver_force          = FALSE;
 463 BOOL    deliver_freeze         = FALSE;
 464 int     deliver_frozen_at      = 0;
 465 uschar *deliver_home           = NULL;
 466 uschar *deliver_host           = NULL;
 467 uschar *deliver_host_address   = NULL;
 468 uschar *deliver_in_buffer      = NULL;
 469 ino_t   deliver_inode          = 0;
 470 uschar *deliver_localpart      = NULL;
 471 uschar *deliver_localpart_data = NULL;
 472 uschar *deliver_localpart_orig = NULL;
 473 uschar *deliver_localpart_parent = NULL;
 474 uschar *deliver_localpart_prefix = NULL;
 475 uschar *deliver_localpart_suffix = NULL;
 476 BOOL    deliver_force_thaw     = FALSE;
 477 BOOL    deliver_manual_thaw    = FALSE;
 478 uschar *deliver_out_buffer     = NULL;
 479 int     deliver_queue_load_max = -1;
 480 address_item  *deliver_recipients = NULL;
 481 uschar *deliver_selectstring   = NULL;
 482 BOOL    deliver_selectstring_regex = FALSE;
 483 uschar *deliver_selectstring_sender = NULL;
 484 BOOL    deliver_selectstring_sender_regex = FALSE;
 485 #ifdef WITH_OLD_DEMIME
 486 int     demime_errorlevel      = 0;
 487 int     demime_ok              = 0;
 488 uschar *demime_reason          = NULL;
 489 #endif
 490 BOOL    disable_ipv6           = FALSE;
 491 BOOL    disable_logging        = FALSE;
 492
 493 #ifdef EXPERIMENTAL_DOMAINKEYS
 494 uschar *dk_signing_domain      = NULL;
 495 uschar *dk_signing_selector    = NULL;
 496 int     dk_do_verify           = 0;
 497 #endif
 498
 499 uschar *dns_again_means_nonexist = NULL;
 500 int     dns_csa_search_limit   = 5;
 501 BOOL    dns_csa_use_reverse    = TRUE;
 502 uschar *dns_ipv4_lookup        = NULL;
 503 int     dns_retrans            = 0;
 504 int     dns_retry              = 0;
 505 uschar *dnslist_domain         = NULL;
 506 uschar *dnslist_text           = NULL;
 507 uschar *dnslist_value          = NULL;
 508 tree_node *domainlist_anchor   = NULL;
 509 int     domainlist_count       = 0;
 510 BOOL    dont_deliver           = FALSE;
 511 BOOL    dot_ends               = TRUE;
 512 BOOL    drop_cr                = FALSE;         /* No longer used */
 513
 514 BOOL    enable_dollar_recipients = FALSE;
 515 BOOL    envelope_to_remove     = TRUE;
 516 int     errno_quota            = ERRNO_QUOTA;
 517 uschar *errors_copy            = NULL;
 518 int     error_handling         = ERRORS_SENDER;
 519 uschar *errors_reply_to        = NULL;
 520 int     errors_sender_rc       = EXIT_FAILURE;
 521
 522 gid_t   exim_gid               = EXIM_GID;
 523 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 524 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 525                         "\0<---------------Space to patch exim_path->";
 526 uid_t   exim_uid               = EXIM_UID;
 527 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 528 int     expand_forbid          = 0;
 529 int     expand_nlength[EXPAND_MAXN+1];
 530 int     expand_nmax            = -1;
 531 uschar *expand_nstring[EXPAND_MAXN+1];
 532 BOOL    expand_string_forcedfail = FALSE;
 533 uschar *expand_string_message;
 534 BOOL    extract_addresses_remove_arguments = TRUE;
 535 uschar *extra_local_interfaces = NULL;
 536
 537 int     fake_response          = OK;
 538 uschar *fake_response_text     = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
 539 int     filter_n[FILTER_VARIABLE_COUNT];
 540 BOOL    filter_running         = FALSE;
 541 int     filter_sn[FILTER_VARIABLE_COUNT];
 542 int     filter_test            = FTEST_NONE;
 543 uschar *filter_test_sfile      = NULL;
 544 uschar *filter_test_ufile      = NULL;
 545 uschar *filter_thisaddress     = NULL;
 546 int     finduser_retries       = 0;
 547 #ifdef WITH_OLD_DEMIME
 548 uschar *found_extension        = NULL;
 549 #endif
 550 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 551 uschar *freeze_tell            = NULL;
 552 uschar *freeze_tell_config     = NULL;
 553 uschar *fudged_queue_times     = US"";
 554
 555 uschar *gecos_name             = NULL;
 556 uschar *gecos_pattern          = NULL;
 557 rewrite_rule  *global_rewrite_rules = NULL;
 558
 559 uschar *headers_charset        = US HEADERS_CHARSET;
 560 int     header_insert_maxlen   = 64 * 1024;
 561 header_line  *header_last      = NULL;
 562 header_line  *header_list      = NULL;
 563 int     header_maxsize         = HEADER_MAXSIZE;
 564 int     header_line_maxsize    = 0;
 565
 566 header_name header_names[] = {
 567   { US"bcc",            3, TRUE,  htype_bcc },
 568   { US"cc",             2, TRUE,  htype_cc },
 569   { US"date",           4, TRUE,  htype_date },
 570   { US"delivery-date", 13, FALSE, htype_delivery_date },
 571   { US"envelope-to",   11, FALSE, htype_envelope_to },
 572   { US"from",           4, TRUE,  htype_from },
 573   { US"message-id",    10, TRUE,  htype_id },
 574   { US"received",       8, FALSE, htype_received },
 575   { US"reply-to",       8, FALSE, htype_reply_to },
 576   { US"return-path",   11, FALSE, htype_return_path },
 577   { US"sender",         6, TRUE,  htype_sender },
 578   { US"subject",        7, FALSE, htype_subject },
 579   { US"to",             2, TRUE,  htype_to }
 580 };
 581
 582 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 583
 584 BOOL    header_rewritten       = FALSE;
 585 uschar *helo_accept_junk_hosts = NULL;
 586 uschar *helo_allow_chars       = US"";
 587 uschar *helo_lookup_domains    = US"@ : @[]";
 588 uschar *helo_try_verify_hosts  = NULL;
 589 BOOL    helo_verified          = FALSE;
 590 BOOL    helo_verify_failed     = FALSE;
 591 uschar *helo_verify_hosts      = NULL;
 592 uschar *hex_digits             = US"0123456789abcdef";
 593 uschar *hold_domains           = NULL;
 594 BOOL    host_checking          = FALSE;
 595 BOOL    host_checking_callout  = FALSE;
 596 uschar *host_data              = NULL;
 597 BOOL    host_find_failed_syntax= FALSE;
 598 uschar *host_lookup            = NULL;
 599 BOOL    host_lookup_deferred   = FALSE;
 600 BOOL    host_lookup_failed     = FALSE;
 601 uschar *host_lookup_order      = US"bydns:byaddr";
 602 uschar *host_lookup_msg        = US"";
 603 int     host_number            = 0;
 604 uschar *host_number_string     = NULL;
 605 uschar *host_reject_connection = NULL;
 606 tree_node *hostlist_anchor     = NULL;
 607 int     hostlist_count         = 0;
 608 uschar *hosts_treat_as_local   = NULL;
 609 uschar *hosts_connection_nolog = NULL;
 610
 611 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 612 BOOL    ignore_fromline_local  = FALSE;
 613 uschar *ignore_fromline_hosts  = NULL;
 614 uschar *interface_address      = NULL;
 615 int     interface_port         = -1;
 616 BOOL    is_inetd               = FALSE;
 617
 618 int     journal_fd             = -1;
 619
 620 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 621
 622 uschar *eldap_dn               = NULL;
 623 int     load_average           = -2;
 624 BOOL    local_error_message    = FALSE;
 625 BOOL    local_from_check       = TRUE;
 626 uschar *local_from_prefix      = NULL;
 627 uschar *local_from_suffix      = NULL;
 628
 629 #if HAVE_IPV6
 630 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 631 #else
 632 uschar *local_interfaces       = US"0.0.0.0";
 633 #endif
 634
 635 uschar *local_scan_data        = NULL;
 636 int     local_scan_timeout     = 5*60;
 637 BOOL    local_sender_retain    = FALSE;
 638 gid_t   local_user_gid         = (gid_t)(-1);
 639 uid_t   local_user_uid         = (uid_t)(-1);
 640
 641 tree_node *localpartlist_anchor= NULL;
 642 int     localpartlist_count    = 0;
 643 uschar *log_buffer             = NULL;
 644 unsigned int log_extra_selector = LX_default;
 645 uschar *log_file_path          = US LOG_FILE_PATH
 646                            "\0<--------------Space to patch log_file_path->";
 647
 648 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 649 are the ones that get put into log_write_selector. They can be used in calls to
 650 log_write() to test for the bit. The options with LX_xxx identifiers have
 651 values greater than 0x80000000 and are put int log_extra_selector (without the
 652 top bit). They are never used in calls to log_write(), but are tested
 653 independently. This separation became necessary when the number of log
 654 selectors was getting close to filling a 32-bit word. */
 655
 656 bit_table log_options[]        = {
 657   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 658   { US"address_rewrite",              L_address_rewrite },
 659   { US"all",                          L_all },
 660   { US"all_parents",                  L_all_parents },
 661   { US"arguments",                    LX_arguments },
 662   { US"connection_reject",            L_connection_reject },
 663   { US"delay_delivery",               L_delay_delivery },
 664   { US"deliver_time",                 LX_deliver_time },
 665   { US"delivery_size",                LX_delivery_size },
 666   { US"dnslist_defer",                L_dnslist_defer },
 667   { US"etrn",                         L_etrn },
 668   { US"host_lookup_failed",           L_host_lookup_failed },
 669   { US"ident_timeout",                LX_ident_timeout },
 670   { US"incoming_interface",           LX_incoming_interface },
 671   { US"incoming_port",                LX_incoming_port },
 672   { US"lost_incoming_connection",     L_lost_incoming_connection },
 673   { US"outgoing_port",                LX_outgoing_port },
 674   { US"queue_run",                    L_queue_run },
 675   { US"queue_time",                   LX_queue_time },
 676   { US"queue_time_overall",           LX_queue_time_overall },
 677   { US"received_recipients",          LX_received_recipients },
 678   { US"received_sender",              LX_received_sender },
 679   { US"rejected_header",              LX_rejected_header },
 680   { US"rejected_headers",             LX_rejected_header },
 681   { US"retry_defer",                  L_retry_defer },
 682   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 683   { US"sender_on_delivery",           LX_sender_on_delivery },
 684   { US"sender_verify_fail",           LX_sender_verify_fail },
 685   { US"size_reject",                  L_size_reject },
 686   { US"skip_delivery",                L_skip_delivery },
 687   { US"smtp_confirmation",            LX_smtp_confirmation },
 688   { US"smtp_connection",              L_smtp_connection },
 689   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 690   { US"smtp_protocol_error",          L_smtp_protocol_error },
 691   { US"smtp_syntax_error",            L_smtp_syntax_error },
 692   { US"subject",                      LX_subject },
 693   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 694   { US"tls_cipher",                   LX_tls_cipher },
 695   { US"tls_peerdn",                   LX_tls_peerdn },
 696   { US"unknown_in_list",              LX_unknown_in_list }
 697 };
 698
 699 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 700 unsigned int log_write_selector= L_default;
 701 uschar *log_selector_string    = NULL;
 702 FILE   *log_stderr             = NULL;
 703 BOOL    log_testing_mode       = FALSE;
 704 BOOL    log_timezone           = FALSE;
 705 uschar *login_sender_address   = NULL;
 706 int     lookup_open_max        = 25;
 707 uschar *lookup_value           = NULL;
 708
 709 macro_item  *macros            = NULL;
 710 uschar *mailstore_basename     = NULL;
 711 #ifdef WITH_CONTENT_SCAN
 712 uschar *malware_name           = NULL;  /* Virus Name */
 713 #endif
 714 int     max_username_length    = 0;
 715 int     message_age            = 0;
 716 uschar *message_body           = NULL;
 717 uschar *message_body_end       = NULL;
 718 int     message_body_size      = 0;
 719 int     message_body_visible   = 500;
 720 int     message_ended          = END_NOTSTARTED;
 721 uschar *message_headers        = NULL;
 722 uschar *message_id;
 723 uschar *message_id_domain      = NULL;
 724 uschar *message_id_text        = NULL;
 725 struct timeval message_id_tv   = { 0, 0 };
 726 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 727 uschar *message_id_external;
 728 int     message_linecount      = 0;
 729 BOOL    message_logs           = TRUE;
 730 int     message_size           = 0;
 731 uschar *message_size_limit     = US"50M";
 732 uschar  message_subdir[2]      = { 0, 0 };
 733 uschar *message_reference      = NULL;
 734
 735 /* MIME ACL expandables */
 736 #ifdef WITH_CONTENT_SCAN
 737 int     mime_anomaly_level     = 0;
 738 uschar *mime_anomaly_text      = NULL;
 739 uschar *mime_boundary          = NULL;
 740 uschar *mime_charset           = NULL;
 741 uschar *mime_content_description = NULL;
 742 uschar *mime_content_disposition = NULL;
 743 uschar *mime_content_id        = NULL;
 744 unsigned int mime_content_size = 0;
 745 uschar *mime_content_transfer_encoding = NULL;
 746 uschar *mime_content_type      = NULL;
 747 uschar *mime_decoded_filename  = NULL;
 748 uschar *mime_filename          = NULL;
 749 int     mime_is_multipart      = 0;
 750 int     mime_is_coverletter    = 0;
 751 int     mime_is_rfc822         = 0;
 752 int     mime_part_count        = -1;
 753 #endif
 754
 755 BOOL    mua_wrapper            = FALSE;
 756
 757 uid_t  *never_users            = NULL;
 758 #ifdef WITH_CONTENT_SCAN
 759 BOOL    no_mbox_unspool        = FALSE;
 760 #endif
 761 BOOL    no_multiline_responses = FALSE;
 762
 763 uid_t   original_euid;
 764 gid_t   originator_gid;
 765 uschar *originator_login       = NULL;
 766 uschar *originator_name        = NULL;
 767 uid_t   originator_uid;
 768 uschar *override_local_interfaces = NULL;
 769 uschar *override_pid_file_path = NULL;
 770
 771 BOOL    parse_allow_group      = FALSE;
 772 BOOL    parse_found_group      = FALSE;
 773 uschar *percent_hack_domains   = NULL;
 774 uschar *pid_file_path          = US PID_FILE_PATH
 775                            "\0<--------------Space to patch pid_file_path->";
 776 uschar *pipelining_advertise_hosts = US"*";
 777 BOOL    preserve_message_logs  = FALSE;
 778 uschar *primary_hostname       = NULL;
 779 BOOL    print_topbitchars      = FALSE;
 780 uschar  process_info[PROCESS_INFO_SIZE];
 781 uschar *process_log_path       = NULL;
 782 BOOL    prod_requires_admin    = TRUE;
 783 uschar *prvscheck_address      = NULL;
 784 uschar *prvscheck_keynum       = NULL;
 785 uschar *prvscheck_result       = NULL;
 786
 787
 788 uschar *qualify_domain_recipient = NULL;
 789 uschar *qualify_domain_sender  = NULL;
 790 BOOL    queue_2stage           = FALSE;
 791 uschar *queue_domains          = NULL;
 792 int     queue_interval         = -1;
 793 BOOL    queue_list_requires_admin = TRUE;
 794 BOOL    queue_only             = FALSE;
 795 uschar *queue_only_file        = NULL;
 796 int     queue_only_load        = -1;
 797 BOOL    queue_only_override    = TRUE;
 798 BOOL    queue_only_policy      = FALSE;
 799 BOOL    queue_run_first_delivery = FALSE;
 800 BOOL    queue_run_force        = FALSE;
 801 BOOL    queue_run_in_order     = FALSE;
 802 BOOL    queue_run_local        = FALSE;
 803 int     queue_run_max          = 5;
 804 pid_t   queue_run_pid          = (pid_t)0;
 805 int     queue_run_pipe         = -1;
 806 BOOL    queue_running          = FALSE;
 807 BOOL    queue_smtp             = FALSE;
 808 uschar *queue_smtp_domains     = NULL;
 809
 810 unsigned int random_seed       = 0;
 811 tree_node *ratelimiters_cmd    = NULL;
 812 tree_node *ratelimiters_conn   = NULL;
 813 tree_node *ratelimiters_mail   = NULL;
 814 uschar *raw_active_hostname    = NULL;
 815 uschar *raw_sender             = NULL;
 816 uschar **raw_recipients        = NULL;
 817 int     raw_recipients_count   = 0;
 818
 819 int     rcpt_count             = 0;
 820 int     rcpt_fail_count        = 0;
 821 int     rcpt_defer_count       = 0;
 822 gid_t   real_gid;
 823 uid_t   real_uid;
 824 BOOL    really_exim            = TRUE;
 825 BOOL    receive_call_bombout   = FALSE;
 826 int     receive_linecount      = 0;
 827 int     receive_messagecount   = 0;
 828 int     receive_timeout        = 0;
 829 int     received_count         = 0;
 830 uschar *received_for           = NULL;
 831
 832 /*  This is the default text for Received headers generated by Exim. The
 833 date  will be automatically added on the end. */
 834
 835 uschar *received_header_text   = US
 836      "Received: "
 837      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 838      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 839      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 840      "by $primary_hostname "
 841      "${if def:received_protocol {with $received_protocol}} "
 842      #ifdef SUPPORT_TLS
 843      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 844      #endif
 845      "(Exim $version_number)\n\t"
 846      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 847      "id $message_exim_id"
 848      "${if def:received_for {\n\tfor $received_for}}"
 849      "\0<---------------Space to patch received_header_text->";
 850
 851 int     received_headers_max   = 30;
 852 uschar *received_protocol      = NULL;
 853 int     received_time          = 0;
 854 uschar *recipient_data         = NULL;
 855 uschar *recipient_unqualified_hosts = NULL;
 856 uschar *recipient_verify_failure = NULL;
 857 int     recipients_count       = 0;
 858 BOOL    recipients_discarded   = FALSE;
 859 recipient_item  *recipients_list = NULL;
 860 int     recipients_list_max    = 0;
 861 int     recipients_max         = 0;
 862 BOOL    recipients_max_reject  = FALSE;
 863 const pcre *regex_AUTH         = NULL;
 864 const pcre *regex_check_dns_names = NULL;
 865 const pcre *regex_From         = NULL;
 866 const pcre *regex_IGNOREQUOTA  = NULL;
 867 const pcre *regex_PIPELINING   = NULL;
 868 const pcre *regex_SIZE         = NULL;
 869 const pcre *regex_ismsgid      = NULL;
 870 #ifdef WITH_CONTENT_SCAN
 871 uschar *regex_match_string     = NULL;
 872 #endif
 873 int     remote_delivery_count  = 0;
 874 int     remote_max_parallel    = 2;
 875 uschar *remote_sort_domains    = NULL;
 876 int     retry_data_expire      = 7*24*60*60;
 877 int     retry_interval_max     = 24*60*60;
 878 int     retry_maximum_timeout  = 0;        /* set from retry config */
 879 retry_config  *retries         = NULL;
 880 uschar *return_path            = NULL;
 881 BOOL    return_path_remove     = TRUE;
 882 int     rewrite_existflags     = 0;
 883 uschar *rfc1413_hosts          = US"*";
 884 int     rfc1413_query_timeout  = 5;
 885 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 886 uid_t   root_uid               = ROOT_UID;
 887
 888 router_instance  *routers  = NULL;
 889 router_instance  router_defaults = {
 890     NULL,                      /* chain pointer */
 891     NULL,                      /* name */
 892     NULL,                      /* info */
 893     NULL,                      /* private options block pointer */
 894     NULL,                      /* driver name */
 895
 896     NULL,                      /* address_data */
 897 #ifdef EXPERIMENTAL_BRIGHTMAIL
 898     NULL,                      /* bmi_rule */
 899 #endif
 900     NULL,                      /* cannot_route_message */
 901     NULL,                      /* condition */
 902     NULL,                      /* current_directory */
 903     NULL,                      /* debug_string */
 904     NULL,                      /* domains */
 905     NULL,                      /* errors_to */
 906     NULL,                      /* expand_gid */
 907     NULL,                      /* expand_uid */
 908     NULL,                      /* expand_more */
 909     NULL,                      /* expand_unseen */
 910     NULL,                      /* extra_headers */
 911     NULL,                      /* fallback_hosts */
 912     NULL,                      /* home_directory */
 913     NULL,                      /* ignore_target_hosts */
 914     NULL,                      /* local_parts */
 915     NULL,                      /* pass_router_name */
 916     NULL,                      /* prefix */
 917     NULL,                      /* redirect_router_name */
 918     NULL,                      /* remove_headers */
 919     NULL,                      /* require_files */
 920     NULL,                      /* router_home_directory */
 921     US"freeze",                /* self */
 922     NULL,                      /* senders */
 923     NULL,                      /* suffix */
 924     NULL,                      /* translate_ip_address */
 925     NULL,                      /* transport_name */
 926
 927     TRUE,                      /* address_test */
 928 #ifdef EXPERIMENTAL_BRIGHTMAIL
 929     FALSE,                     /* bmi_deliver_alternate */
 930     FALSE,                     /* bmi_deliver_default */
 931     FALSE,                     /* bmi_dont_deliver */
 932 #endif
 933     TRUE,                      /* expn */
 934     FALSE,                     /* caseful_local_part */
 935     FALSE,                     /* check_local_user */
 936     FALSE,                     /* disable_logging */
 937     FALSE,                     /* fail_verify_recipient */
 938     FALSE,                     /* fail_verify_sender */
 939     FALSE,                     /* gid_set */
 940     FALSE,                     /* initgroups */
 941     TRUE_UNSET,                /* log_as_local */
 942     TRUE,                      /* more */
 943     FALSE,                     /* pass_on_timeout */
 944     FALSE,                     /* prefix_optional */
 945     TRUE,                      /* repeat_use */
 946     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 947     FALSE,                     /* same_domain_copy_routing */
 948     FALSE,                     /* self_rewrite */
 949     FALSE,                     /* suffix_optional */
 950     FALSE,                     /* verify_only */
 951     TRUE,                      /* verify_recipient */
 952     TRUE,                      /* verify_sender */
 953     FALSE,                     /* uid_set */
 954     FALSE,                     /* unseen */
 955
 956     self_freeze,               /* self_code */
 957     (uid_t)(-1),               /* uid */
 958     (gid_t)(-1),               /* gid */
 959
 960     NULL,                      /* fallback_hostlist */
 961     NULL,                      /* transport instance */
 962     NULL,                      /* pass_router */
 963     NULL                       /* redirect_router */
 964 };
 965
 966 ip_address_item *running_interfaces = NULL;
 967 BOOL    running_in_test_harness = FALSE;
 968
 969 /* This is a weird one. The following string gets patched in the binary by the
 970 script that sets up a copy of Exim for running in the test harness. It seems
 971 that compilers are now clever, and share constant strings if they can.
 972 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 973 make use of the end of this string in order to save space. So the patching then
 974 wrecks this. We default this optimization by adding some additional characters
 975 onto the end of the string. */
 976
 977 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 978
 979 int     runrc                  = 0;
 980
 981 uschar *search_error_message   = NULL;
 982 BOOL    search_find_defer      = FALSE;
 983 uschar *self_hostname          = NULL;
 984 uschar *sender_address         = NULL;
 985 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
 986 uschar *sender_address_data    = NULL;
 987 BOOL    sender_address_forced  = FALSE;
 988 uschar *sender_address_unrewritten = NULL;
 989 uschar *sender_data            = NULL;
 990 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
 991 uschar *sender_fullhost        = NULL;
 992 uschar *sender_helo_name       = NULL;
 993 uschar **sender_host_aliases   = &no_aliases;
 994 uschar *sender_host_address    = NULL;
 995 uschar *sender_host_authenticated = NULL;
 996 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
 997 uschar *sender_host_name       = NULL;
 998 int     sender_host_port       = 0;
 999 BOOL    sender_host_notsocket  = FALSE;
1000 BOOL    sender_host_unknown    = FALSE;
1001 uschar *sender_ident           = NULL;
1002 BOOL    sender_local           = FALSE;
1003 BOOL    sender_name_forced     = FALSE;
1004 uschar *sender_rate            = NULL;
1005 uschar *sender_rate_limit      = NULL;
1006 uschar *sender_rate_period     = NULL;
1007 uschar *sender_rcvhost         = NULL;
1008 BOOL    sender_set_untrusted   = FALSE;
1009 uschar *sender_unqualified_hosts = NULL;
1010 uschar *sender_verify_failure = NULL;
1011 address_item *sender_verified_list  = NULL;
1012 address_item *sender_verified_failed = NULL;
1013 int     sender_verified_rc     = -1;
1014 BOOL    sender_verified_responded = FALSE;
1015 volatile  BOOL sigalrm_seen    = FALSE;
1016 uschar **sighup_argv           = NULL;
1017 int     smtp_accept_count      = 0;
1018 BOOL    smtp_accept_keepalive  = TRUE;
1019 int     smtp_accept_max        = 20;
1020 int     smtp_accept_max_nonmail= 10;
1021 uschar *smtp_accept_max_nonmail_hosts = US"*";
1022 int     smtp_accept_max_per_connection = 1000;
1023 uschar *smtp_accept_max_per_host = NULL;
1024 int     smtp_accept_queue      = 0;
1025 int     smtp_accept_queue_per_connection = 10;
1026 int     smtp_accept_reserve    = 0;
1027 uschar *smtp_active_hostname   = NULL;
1028 BOOL    smtp_authenticated     = FALSE;
1029 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1030                              "Exim $version_number $tod_full"
1031                              "\0<---------------Space to patch smtp_banner->";
1032 BOOL    smtp_batched_input     = FALSE;
1033 BOOL    smtp_check_spool_space = TRUE;
1034 uschar *smtp_cmd_argument      = NULL;
1035 uschar *smtp_cmd_buffer        = NULL;
1036 int     smtp_connect_backlog   = 20;
1037 double  smtp_delay_mail        = 0.0;
1038 double  smtp_delay_rcpt        = 0.0;
1039 BOOL    smtp_enforce_sync      = TRUE;
1040 FILE   *smtp_in                = NULL;
1041 BOOL    smtp_input             = FALSE;
1042 int     smtp_load_reserve      = -1;
1043 int     smtp_mailcmd_count     = 0;
1044 FILE   *smtp_out               = NULL;
1045 uschar *smtp_etrn_command      = NULL;
1046 BOOL    smtp_etrn_serialize    = TRUE;
1047 int     smtp_max_synprot_errors= 3;
1048 int     smtp_max_unknown_commands = 3;
1049 uschar *smtp_ratelimit_hosts   = NULL;
1050 uschar *smtp_ratelimit_mail    = NULL;
1051 uschar *smtp_ratelimit_rcpt    = NULL;
1052 uschar *smtp_read_error        = US"";
1053 int     smtp_receive_timeout   = 5*60;
1054 uschar *smtp_reserve_hosts     = NULL;
1055 BOOL    smtp_return_error_details = FALSE;
1056 int     smtp_rlm_base          = 0;
1057 double  smtp_rlm_factor        = 0.0;
1058 int     smtp_rlm_limit         = 0;
1059 int     smtp_rlm_threshold     = INT_MAX;
1060 int     smtp_rlr_base          = 0;
1061 double  smtp_rlr_factor        = 0.0;
1062 int     smtp_rlr_limit         = 0;
1063 int     smtp_rlr_threshold     = INT_MAX;
1064 BOOL    smtp_use_pipelining    = FALSE;
1065 BOOL    smtp_use_size          = FALSE;
1066
1067 #ifdef WITH_CONTENT_SCAN
1068 uschar *spamd_address          = US"127.0.0.1 783";
1069 uschar *spam_bar               = NULL;
1070 uschar *spam_report            = NULL;
1071 uschar *spam_score             = NULL;
1072 uschar *spam_score_int         = NULL;
1073 #endif
1074 #ifdef EXPERIMENTAL_SPF
1075 uschar *spf_header_comment     = NULL;
1076 uschar *spf_received           = NULL;
1077 uschar *spf_result             = NULL;
1078 uschar *spf_smtp_comment       = NULL;
1079 #endif
1080
1081 BOOL    split_spool_directory  = FALSE;
1082 uschar *spool_directory        = US SPOOL_DIRECTORY
1083                            "\0<--------------Space to patch spool_directory->";
1084 #ifdef EXPERIMENTAL_SRS
1085 uschar *srs_config             = NULL;
1086 uschar *srs_db_address         = NULL;
1087 uschar *srs_db_key             = NULL;
1088 int     srs_hashlength         = 6;
1089 int     srs_hashmin            = -1;
1090 int     srs_maxage             = 31;
1091 uschar *srs_orig_recipient     = NULL;
1092 uschar *srs_orig_sender        = NULL;
1093 uschar *srs_recipient          = NULL;
1094 uschar *srs_secrets            = NULL;
1095 uschar *srs_status             = NULL;
1096 BOOL    srs_usehash            = TRUE;
1097 BOOL    srs_usetimestamp       = TRUE;
1098 #endif
1099 int     string_datestamp_offset= -1;
1100 BOOL    strip_excess_angle_brackets = FALSE;
1101 BOOL    strip_trailing_dot     = FALSE;
1102 uschar *submission_domain      = NULL;
1103 BOOL    submission_mode        = FALSE;
1104 uschar *submission_name        = NULL;
1105 BOOL    suppress_local_fixups  = FALSE;
1106 BOOL    synchronous_delivery   = FALSE;
1107 BOOL    syslog_duplication     = TRUE;
1108 int     syslog_facility        = LOG_MAIL;
1109 uschar *syslog_processname     = US"exim";
1110 BOOL    syslog_timestamp       = TRUE;
1111 uschar *system_filter          = NULL;
1112
1113 uschar *system_filter_directory_transport = NULL;
1114 uschar *system_filter_file_transport = NULL;
1115 uschar *system_filter_pipe_transport = NULL;
1116 uschar *system_filter_reply_transport = NULL;
1117
1118 gid_t   system_filter_gid      = 0;
1119 BOOL    system_filter_gid_set  = FALSE;
1120 uid_t   system_filter_uid      = 0;
1121 BOOL    system_filter_uid_set  = FALSE;
1122 BOOL    system_filtering       = FALSE;
1123
1124 BOOL    tcp_nodelay            = TRUE;
1125 int     thismessage_size_limit = 0;
1126 int     timeout_frozen_after   = 0;
1127 BOOL    timestamps_utc         = FALSE;
1128
1129 transport_instance  *transports = NULL;
1130
1131 transport_instance  transport_defaults = {
1132     NULL,                     /* chain pointer */
1133     NULL,                     /* name */
1134     NULL,                     /* info */
1135     NULL,                     /* private options block pointer */
1136     NULL,                     /* driver name */
1137     NULL,                     /* setup entry point */
1138     1,                        /* batch_max */
1139     NULL,                     /* batch_id */
1140     NULL,                     /* home_dir */
1141     NULL,                     /* current_dir */
1142     TRUE,                     /* multi-domain */
1143     FALSE,                    /* overrides_hosts */
1144     100,                      /* max_addresses */
1145     500,                      /* connection_max_messages */
1146     FALSE,                    /* deliver_as_creator */
1147     FALSE,                    /* disable_logging */
1148     FALSE,                    /* initgroups */
1149     FALSE,                    /* uid_set */
1150     FALSE,                    /* gid_set */
1151     (uid_t)(-1),              /* uid */
1152     (gid_t)(-1),              /* gid */
1153     NULL,                     /* expand_uid */
1154     NULL,                     /* expand_gid */
1155     NULL,                     /* warn_message */
1156     NULL,                     /* shadow */
1157     NULL,                     /* shadow_condition */
1158     NULL,                     /* filter_command */
1159     NULL,                     /* add_headers */
1160     NULL,                     /* remove_headers */
1161     NULL,                     /* return_path */
1162     NULL,                     /* debug_string */
1163     NULL,                     /* message_size_limit */
1164     NULL,                     /* headers_rewrite */
1165     NULL,                     /* rewrite_rules */
1166     0,                        /* rewrite_existflags */
1167     300,                      /* filter_timeout */
1168     FALSE,                    /* body_only */
1169     FALSE,                    /* delivery_date_add */
1170     FALSE,                    /* envelope_to_add */
1171     FALSE,                    /* headers_only */
1172     FALSE,                    /* rcpt_include_affixes */
1173     FALSE,                    /* return_path_add */
1174     FALSE,                    /* return_output */
1175     FALSE,                    /* return_fail_output */
1176     FALSE,                    /* log_output */
1177     FALSE,                    /* log_fail_output */
1178     FALSE,                    /* log_defer_output */
1179     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1180                                  1 nor 0 so can detect unset */
1181 };
1182
1183 int     transport_count;
1184 uschar **transport_filter_argv  = NULL;
1185 int     transport_filter_timeout;
1186 BOOL    transport_filter_timed_out = FALSE;
1187 int     transport_write_timeout= 0;
1188
1189 tree_node  *tree_dns_fails     = NULL;
1190 tree_node  *tree_duplicates    = NULL;
1191 tree_node  *tree_nonrecipients = NULL;
1192 tree_node  *tree_unusable      = NULL;
1193
1194 BOOL    trusted_caller         = FALSE;
1195 gid_t  *trusted_groups         = NULL;
1196 uid_t  *trusted_users          = NULL;
1197 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1198
1199 uschar *unknown_login          = NULL;
1200 uschar *unknown_username       = NULL;
1201 uschar *untrusted_set_sender   = NULL;
1202
1203 /*  A regex for matching a "From_" line in an incoming message, in the form
1204
1205     From ph10 Fri Jan  5 12:35 GMT 1996
1206
1207 which  the "mail" commands send to the MTA (undocumented, of course), or in
1208 the  form
1209
1210     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1211
1212 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1213 Because  of variations in time formats, just match up to the minutes. That
1214 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1215 so  just require one digit for hours and minutes. The weekday is also absent
1216 in  some forms. */
1217
1218 uschar *uucp_from_pattern      = US
1219    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1220    "(?:"                                          /* Non-extracting bracket */
1221    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1222    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1223    ")"                                            /* End alternation */
1224    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1225
1226 uschar *uucp_from_sender       = US"$1";
1227
1228 uschar *warn_message_file      = NULL;
1229 uschar *warnmsg_delay          = NULL;
1230 uschar *warnmsg_recipients     = NULL;
1231 BOOL    write_rejectlog        = TRUE;
1232
1233 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2006";
1234 uschar *version_date           = US"?";
1235 uschar *version_cnumber        = US"????";
1236 uschar *version_string         = US"?";
1237
1238 int     warning_count          = 0;
1239
1240 /*  End of globals.c */