src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.73 2007/06/14 14:18:19 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2007 */
   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_condition", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, server_condition)) },
  43   { "server_debug_print", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, server_debug_string)) },
  45   { "server_mail_auth_condition", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  47   { "server_set_id", opt_stringptr | opt_public,
  48                  (void *)(offsetof(auth_instance, set_id)) }
  49 };
  50
  51 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  52
  53 /* An empty host aliases list. */
  54
  55 uschar *no_aliases             = NULL;
  56
  57
  58 /* For comments on these variables, see globals.h. I'm too idle to
  59 duplicate them here... */
  60
  61 #ifdef EXIM_PERL
  62 uschar *opt_perl_startup       = NULL;
  63 BOOL    opt_perl_at_start      = FALSE;
  64 BOOL    opt_perl_started       = FALSE;
  65 #endif
  66
  67 #ifdef EXPAND_DLFUNC
  68 tree_node *dlobj_anchor        = NULL;
  69 #endif
  70
  71 #ifdef LOOKUP_IBASE
  72 uschar *ibase_servers          = NULL;
  73 #endif
  74
  75 #ifdef LOOKUP_LDAP
  76 uschar *eldap_default_servers  = NULL;
  77 int     eldap_version          = -1;
  78 #endif
  79
  80 #ifdef LOOKUP_MYSQL
  81 uschar *mysql_servers          = NULL;
  82 #endif
  83
  84 #ifdef LOOKUP_ORACLE
  85 uschar *oracle_servers         = NULL;
  86 #endif
  87
  88 #ifdef LOOKUP_PGSQL
  89 uschar *pgsql_servers          = NULL;
  90 #endif
  91
  92 #ifdef LOOKUP_SQLITE
  93 int     sqlite_lock_timeout    = 5;
  94 #endif
  95
  96 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  97 BOOL    move_frozen_messages   = FALSE;
  98 #endif
  99
 100 /* These variables are outside the #ifdef because it keeps the code less
 101 cluttered in several places (e.g. during logging) if we can always refer to
 102 them. Also, the tls_ variables are now always visible. */
 103
 104 BOOL    tls_active             = -1;
 105 BOOL    tls_certificate_verified = FALSE;
 106 uschar *tls_cipher             = NULL;
 107 BOOL    tls_on_connect         = FALSE;
 108 uschar *tls_on_connect_ports   = NULL;
 109 uschar *tls_peerdn             = NULL;
 110
 111 #ifdef SUPPORT_TLS
 112 uschar *gnutls_require_mac     = NULL;
 113 uschar *gnutls_require_kx      = NULL;
 114 uschar *gnutls_require_proto   = NULL;
 115 const pcre *regex_STARTTLS     = NULL;
 116 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 117 uschar *tls_certificate        = NULL;
 118 uschar *tls_crl                = NULL;
 119 uschar *tls_dhparam            = NULL;
 120 BOOL    tls_offered            = FALSE;
 121 uschar *tls_privatekey         = NULL;
 122 BOOL    tls_remember_esmtp     = FALSE;
 123 uschar *tls_require_ciphers    = NULL;
 124 uschar *tls_try_verify_hosts   = NULL;
 125 uschar *tls_verify_certificates= NULL;
 126 uschar *tls_verify_hosts       = NULL;
 127 #endif
 128
 129
 130 /* Input-reading functions for messages, so we can use special ones for
 131 incoming TCP/IP. The defaults use stdin. We never need these for any
 132 stand-alone tests. */
 133
 134 #ifndef STAND_ALONE
 135 int (*receive_getc)(void)      = stdin_getc;
 136 int (*receive_ungetc)(int)     = stdin_ungetc;
 137 int (*receive_feof)(void)      = stdin_feof;
 138 int (*receive_ferror)(void)    = stdin_ferror;
 139 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 140 #endif
 141
 142
 143 /* List of per-address expansion variables for clearing and saving/restoring
 144 when verifying one address while routing/verifying another. We have to have
 145 the size explicit, because it is referenced from more than one module. */
 146
 147 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 148   &deliver_address_data,
 149   &deliver_domain,
 150   &deliver_domain_data,
 151   &deliver_domain_orig,
 152   &deliver_domain_parent,
 153   &deliver_localpart,
 154   &deliver_localpart_data,
 155   &deliver_localpart_orig,
 156   &deliver_localpart_parent,
 157   &deliver_localpart_prefix,
 158   &deliver_localpart_suffix,
 159   (uschar **)(&deliver_recipients),
 160   &deliver_host,
 161   &deliver_home,
 162   &address_file,
 163   &address_pipe,
 164   &self_hostname,
 165   NULL };
 166
 167 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 168
 169 /* General global variables */
 170
 171 header_line *acl_added_headers = NULL;
 172 tree_node *acl_anchor          = NULL;
 173 uschar *acl_not_smtp           = NULL;
 174 #ifdef WITH_CONTENT_SCAN
 175 uschar *acl_not_smtp_mime      = NULL;
 176 #endif
 177 uschar *acl_not_smtp_start     = NULL;
 178 uschar *acl_smtp_auth          = NULL;
 179 uschar *acl_smtp_connect       = NULL;
 180 uschar *acl_smtp_data          = NULL;
 181 uschar *acl_smtp_etrn          = NULL;
 182 uschar *acl_smtp_expn          = NULL;
 183 uschar *acl_smtp_helo          = NULL;
 184 uschar *acl_smtp_mail          = NULL;
 185 uschar *acl_smtp_mailauth      = NULL;
 186 #ifdef WITH_CONTENT_SCAN
 187 uschar *acl_smtp_mime          = NULL;
 188 #endif
 189 uschar *acl_smtp_predata       = NULL;
 190 uschar *acl_smtp_quit          = NULL;
 191 uschar *acl_smtp_rcpt          = NULL;
 192 uschar *acl_smtp_starttls      = NULL;
 193 uschar *acl_smtp_vrfy          = NULL;
 194 BOOL    acl_temp_details       = FALSE;
 195 tree_node *acl_var_c           = NULL;
 196 tree_node *acl_var_m           = NULL;
 197 uschar *acl_verify_message     = NULL;
 198 string_item *acl_warn_logged   = NULL;
 199
 200 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 201 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 202
 203 uschar *acl_wherenames[]       = { US"RCPT",
 204                                    US"MAIL",
 205                                    US"PREDATA",
 206                                    US"MIME",
 207                                    US"DATA",
 208                                    US"non-SMTP",
 209                                    US"AUTH",
 210                                    US"connection",
 211                                    US"ETRN",
 212                                    US"EXPN",
 213                                    US"EHLO or HELO",
 214                                    US"MAILAUTH",
 215                                    US"non-SMTP-start",
 216                                    US"QUIT",
 217                                    US"STARTTLS",
 218                                    US"VRFY"
 219                                  };
 220
 221 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 222                                    US"550",     /* MAIL */
 223                                    US"550",     /* PREDATA */
 224                                    US"550",     /* MIME */
 225                                    US"550",     /* DATA */
 226                                    US"0",       /* not SMTP; not relevant */
 227                                    US"503",     /* AUTH */
 228                                    US"550",     /* connect */
 229                                    US"458",     /* ETRN */
 230                                    US"550",     /* EXPN */
 231                                    US"550",     /* HELO/EHLO */
 232                                    US"0",       /* MAILAUTH; not relevant */
 233                                    US"0",       /* not SMTP; not relevant */
 234                                    US"0",       /* QUIT; not relevant */
 235                                    US"550",     /* STARTTLS */
 236                                    US"252"      /* VRFY */
 237                                  };
 238
 239 BOOL    active_local_from_check = FALSE;
 240 BOOL    active_local_sender_retain = FALSE;
 241 BOOL    accept_8bitmime        = FALSE;
 242 address_item  *addr_duplicate  = NULL;
 243
 244 address_item address_defaults = {
 245   NULL,                 /* next */
 246   NULL,                 /* parent */
 247   NULL,                 /* first */
 248   NULL,                 /* dupof */
 249   NULL,                 /* start_router */
 250   NULL,                 /* router */
 251   NULL,                 /* transport */
 252   NULL,                 /* host_list */
 253   NULL,                 /* host_used */
 254   NULL,                 /* fallback_hosts */
 255   NULL,                 /* reply */
 256   NULL,                 /* retries */
 257   NULL,                 /* address */
 258   NULL,                 /* unique */
 259   NULL,                 /* cc_local_part */
 260   NULL,                 /* lc_local_part */
 261   NULL,                 /* local_part */
 262   NULL,                 /* prefix */
 263   NULL,                 /* suffix */
 264   NULL,                 /* domain */
 265   NULL,                 /* address_retry_key */
 266   NULL,                 /* domain_retry_key */
 267   NULL,                 /* current_dir */
 268   NULL,                 /* home_dir */
 269   NULL,                 /* message */
 270   NULL,                 /* user_message */
 271   NULL,                 /* onetime_parent */
 272   NULL,                 /* pipe_expandn */
 273   NULL,                 /* return_filename */
 274   NULL,                 /* self_hostname */
 275   NULL,                 /* shadow_message */
 276   #ifdef SUPPORT_TLS
 277   NULL,                 /* cipher */
 278   NULL,                 /* peerdn */
 279   #endif
 280   (uid_t)(-1),          /* uid */
 281   (gid_t)(-1),          /* gid */
 282   0,                    /* flags */
 283   { 0 },                /* domain_cache - any larger array should be zeroed */
 284   { 0 },                /* localpart_cache - ditto */
 285   -1,                   /* mode */
 286   0,                    /* more_errno */
 287   ERRNO_UNKNOWNERROR,   /* basic_errno */
 288   0,                    /* child_count */
 289   -1,                   /* return_file */
 290   SPECIAL_NONE,         /* special_action */
 291   DEFER,                /* transport_return */
 292   {                     /* fields that are propagated to children */
 293     NULL,               /* address_data */
 294     NULL,               /* domain_data */
 295     NULL,               /* localpart_data */
 296     NULL,               /* errors_address */
 297     NULL,               /* extra_headers */
 298     NULL,               /* remove_headers */
 299 #ifdef EXPERIMENTAL_SRS
 300     NULL,               /* srs_sender */
 301 #endif
 302   }
 303 };
 304
 305 uschar *address_file           = NULL;
 306 uschar *address_pipe           = NULL;
 307 BOOL    address_test_mode      = FALSE;
 308 tree_node *addresslist_anchor  = NULL;
 309 int     addresslist_count      = 0;
 310 gid_t  *admin_groups           = NULL;
 311 BOOL    admin_user             = FALSE;
 312 BOOL    allow_auth_unadvertised= FALSE;
 313 BOOL    allow_domain_literals  = FALSE;
 314 BOOL    allow_mx_to_ip         = FALSE;
 315 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 316 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 317 BOOL    allow_utf8_domains     = FALSE;
 318 uschar *authenticated_id       = NULL;
 319 uschar *authenticated_sender   = NULL;
 320 BOOL    authentication_failed  = FALSE;
 321 auth_instance  *auths          = NULL;
 322 uschar *auth_advertise_hosts   = US"*";
 323 auth_instance auth_defaults    = {
 324     NULL,                      /* chain pointer */
 325     NULL,                      /* name */
 326     NULL,                      /* info */
 327     NULL,                      /* private options block pointer */
 328     NULL,                      /* driver_name */
 329     NULL,                      /* advertise_condition */
 330     NULL,                      /* public_name */
 331     NULL,                      /* set_id */
 332     NULL,                      /* server_mail_auth_condition */
 333     NULL,                      /* server_debug_string */
 334     NULL,                      /* server_condition */
 335     FALSE,                     /* client */
 336     FALSE,                     /* server */
 337     FALSE                      /* advertised */
 338 };
 339
 340 uschar *auth_defer_msg         = US"reason not recorded";
 341 uschar *auth_defer_user_msg    = US"";
 342 uschar *auth_vars[AUTH_VARS];
 343 int     auto_thaw              = 0;
 344 #ifdef WITH_CONTENT_SCAN
 345 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 346 #endif
 347
 348 BOOL    background_daemon      = TRUE;
 349
 350 #if BASE_62 == 62
 351 uschar *base62_chars=
 352     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 353 #else
 354 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 355 #endif
 356
 357 uschar *bi_command             = NULL;
 358 uschar *big_buffer             = NULL;
 359 int     big_buffer_size        = BIG_BUFFER_SIZE;
 360 #ifdef EXPERIMENTAL_BRIGHTMAIL
 361 uschar *bmi_alt_location       = NULL;
 362 uschar *bmi_base64_tracker_verdict = NULL;
 363 uschar *bmi_base64_verdict     = NULL;
 364 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 365 int     bmi_deliver            = 1;
 366 int     bmi_run                = 0;
 367 uschar *bmi_verdicts           = NULL;
 368 #endif
 369 int     body_linecount         = 0;
 370 int     body_zerocount         = 0;
 371 uschar *bounce_message_file    = NULL;
 372 uschar *bounce_message_text    = NULL;
 373 uschar *bounce_recipient       = NULL;
 374 BOOL    bounce_return_body     = TRUE;
 375 BOOL    bounce_return_message  = TRUE;
 376 int     bounce_return_size_limit = 100*1024;
 377 uschar *bounce_sender_authentication = NULL;
 378 int     bsmtp_transaction_linecount = 0;
 379
 380 int     callout_cache_domain_positive_expire = 7*24*60*60;
 381 int     callout_cache_domain_negative_expire = 3*60*60;
 382 int     callout_cache_positive_expire = 24*60*60;
 383 int     callout_cache_negative_expire = 2*60*60;
 384 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 385 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
 386 int     check_log_inodes       = 0;
 387 int     check_log_space        = 0;
 388 BOOL    check_rfc2047_length   = TRUE;
 389 int     check_spool_inodes     = 0;
 390 int     check_spool_space      = 0;
 391 int     clmacro_count          = 0;
 392 uschar *clmacros[MAX_CLMACROS];
 393 BOOL    config_changed         = FALSE;
 394 FILE   *config_file            = NULL;
 395 uschar *config_filename        = NULL;
 396 int     config_lineno          = 0;
 397 #ifdef CONFIGURE_GROUP
 398 gid_t   config_gid             = CONFIGURE_GROUP;
 399 #endif
 400 uschar *config_main_filelist   = US CONFIGURE_FILE
 401                          "\0<-----------Space to patch configure_filename->";
 402 uschar *config_main_filename   = NULL;
 403
 404 #ifdef CONFIGURE_OWNER
 405 uid_t   config_uid             = CONFIGURE_OWNER;
 406 #endif
 407
 408 int     connection_max_messages= -1;
 409 uschar *continue_hostname      = NULL;
 410 uschar *continue_host_address  = NULL;
 411 BOOL    continue_more          = FALSE;
 412 int     continue_sequence      = 1;
 413 uschar *continue_transport     = NULL;
 414
 415 uschar *csa_status             = NULL;
 416
 417 BOOL    daemon_listen          = FALSE;
 418 uschar *daemon_smtp_port       = US"smtp";
 419 int     daemon_startup_retries = 9;
 420 int     daemon_startup_sleep   = 30;
 421 BOOL    debug_daemon           = FALSE;
 422 int     debug_fd               = -1;
 423 FILE   *debug_file             = NULL;
 424 bit_table debug_options[]      = {
 425   { US"acl",            D_acl },
 426   { US"all",            D_all },
 427   { US"auth",           D_auth },
 428   { US"deliver",        D_deliver },
 429   { US"dns",            D_dns },
 430   { US"dnsbl",          D_dnsbl },
 431   { US"exec",           D_exec },
 432   { US"expand",         D_expand },
 433   { US"filter",         D_filter },
 434   { US"hints_lookup",   D_hints_lookup },
 435   { US"host_lookup",    D_host_lookup },
 436   { US"ident",          D_ident },
 437   { US"interface",      D_interface },
 438   { US"lists",          D_lists },
 439   { US"load",           D_load },
 440   { US"local_scan",     D_local_scan },
 441   { US"lookup",         D_lookup },
 442   { US"memory",         D_memory },
 443   { US"pid",            D_pid },
 444   { US"process_info",   D_process_info },
 445   { US"queue_run",      D_queue_run },
 446   { US"receive",        D_receive },
 447   { US"resolver",       D_resolver },
 448   { US"retry",          D_retry },
 449   { US"rewrite",        D_rewrite },
 450   { US"route",          D_route },
 451   { US"timestamp",      D_timestamp },
 452   { US"tls",            D_tls },
 453   { US"transport",      D_transport },
 454   { US"uid",            D_uid },
 455   { US"verify",         D_verify }
 456 };
 457 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 458 unsigned int debug_selector    = 0;
 459 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 460 uschar *delay_warning_condition=
 461   US"${if or {"
 462             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 463             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 464             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 465             "} {no}{yes}}";
 466 BOOL    delivery_date_remove   = TRUE;
 467 uschar *deliver_address_data   = NULL;
 468 int     deliver_datafile       = -1;
 469 uschar *deliver_domain         = NULL;
 470 uschar *deliver_domain_data    = NULL;
 471 uschar *deliver_domain_orig    = NULL;
 472 uschar *deliver_domain_parent  = NULL;
 473 BOOL    deliver_drop_privilege = FALSE;
 474 BOOL    deliver_firsttime      = FALSE;
 475 BOOL    deliver_force          = FALSE;
 476 BOOL    deliver_freeze         = FALSE;
 477 int     deliver_frozen_at      = 0;
 478 uschar *deliver_home           = NULL;
 479 uschar *deliver_host           = NULL;
 480 uschar *deliver_host_address   = NULL;
 481 uschar *deliver_in_buffer      = NULL;
 482 ino_t   deliver_inode          = 0;
 483 uschar *deliver_localpart      = NULL;
 484 uschar *deliver_localpart_data = NULL;
 485 uschar *deliver_localpart_orig = NULL;
 486 uschar *deliver_localpart_parent = NULL;
 487 uschar *deliver_localpart_prefix = NULL;
 488 uschar *deliver_localpart_suffix = NULL;
 489 BOOL    deliver_force_thaw     = FALSE;
 490 BOOL    deliver_manual_thaw    = FALSE;
 491 uschar *deliver_out_buffer     = NULL;
 492 int     deliver_queue_load_max = -1;
 493 address_item  *deliver_recipients = NULL;
 494 uschar *deliver_selectstring   = NULL;
 495 BOOL    deliver_selectstring_regex = FALSE;
 496 uschar *deliver_selectstring_sender = NULL;
 497 BOOL    deliver_selectstring_sender_regex = FALSE;
 498 #ifdef WITH_OLD_DEMIME
 499 int     demime_errorlevel      = 0;
 500 int     demime_ok              = 0;
 501 uschar *demime_reason          = NULL;
 502 #endif
 503 BOOL    disable_callout_flush  = FALSE;
 504 BOOL    disable_delay_flush    = FALSE;
 505 #ifdef ENABLE_DISABLE_FSYNC
 506 BOOL    disable_fsync          = FALSE;
 507 #endif
 508 BOOL    disable_ipv6           = FALSE;
 509 BOOL    disable_logging        = FALSE;
 510
 511 #ifdef EXPERIMENTAL_DOMAINKEYS
 512 uschar *dk_signing_domain      = NULL;
 513 uschar *dk_signing_selector    = NULL;
 514 int     dk_do_verify           = 0;
 515 #endif
 516
 517 uschar *dns_again_means_nonexist = NULL;
 518 int     dns_csa_search_limit   = 5;
 519 BOOL    dns_csa_use_reverse    = TRUE;
 520 uschar *dns_ipv4_lookup        = NULL;
 521 int     dns_retrans            = 0;
 522 int     dns_retry              = 0;
 523 uschar *dnslist_domain         = NULL;
 524 uschar *dnslist_matched        = NULL;
 525 uschar *dnslist_text           = NULL;
 526 uschar *dnslist_value          = NULL;
 527 tree_node *domainlist_anchor   = NULL;
 528 int     domainlist_count       = 0;
 529 BOOL    dont_deliver           = FALSE;
 530 BOOL    dot_ends               = TRUE;
 531 BOOL    drop_cr                = FALSE;         /* No longer used */
 532 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 533
 534 BOOL    enable_dollar_recipients = FALSE;
 535 BOOL    envelope_to_remove     = TRUE;
 536 int     errno_quota            = ERRNO_QUOTA;
 537 uschar *errors_copy            = NULL;
 538 int     error_handling         = ERRORS_SENDER;
 539 uschar *errors_reply_to        = NULL;
 540 int     errors_sender_rc       = EXIT_FAILURE;
 541
 542 gid_t   exim_gid               = EXIM_GID;
 543 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 544 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 545                         "\0<---------------Space to patch exim_path->";
 546 uid_t   exim_uid               = EXIM_UID;
 547 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 548 int     expand_forbid          = 0;
 549 int     expand_nlength[EXPAND_MAXN+1];
 550 int     expand_nmax            = -1;
 551 uschar *expand_nstring[EXPAND_MAXN+1];
 552 BOOL    expand_string_forcedfail = FALSE;
 553 uschar *expand_string_message;
 554 BOOL    extract_addresses_remove_arguments = TRUE;
 555 uschar *extra_local_interfaces = NULL;
 556
 557 int     fake_response          = OK;
 558 uschar *fake_response_text     = US"Your message has been rejected but is "
 559                                    "being kept for evaluation.\nIf it was a "
 560                                    "legitimate message, it may still be "
 561                                    "delivered to the target recipient(s).";
 562 int     filter_n[FILTER_VARIABLE_COUNT];
 563 BOOL    filter_running         = FALSE;
 564 int     filter_sn[FILTER_VARIABLE_COUNT];
 565 int     filter_test            = FTEST_NONE;
 566 uschar *filter_test_sfile      = NULL;
 567 uschar *filter_test_ufile      = NULL;
 568 uschar *filter_thisaddress     = NULL;
 569 int     finduser_retries       = 0;
 570 #ifdef WITH_OLD_DEMIME
 571 uschar *found_extension        = NULL;
 572 #endif
 573 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 574 uschar *freeze_tell            = NULL;
 575 uschar *freeze_tell_config     = NULL;
 576 uschar *fudged_queue_times     = US"";
 577
 578 uschar *gecos_name             = NULL;
 579 uschar *gecos_pattern          = NULL;
 580 rewrite_rule  *global_rewrite_rules = NULL;
 581
 582 uschar *headers_charset        = US HEADERS_CHARSET;
 583 int     header_insert_maxlen   = 64 * 1024;
 584 header_line  *header_last      = NULL;
 585 header_line  *header_list      = NULL;
 586 int     header_maxsize         = HEADER_MAXSIZE;
 587 int     header_line_maxsize    = 0;
 588
 589 header_name header_names[] = {
 590   { US"bcc",            3, TRUE,  htype_bcc },
 591   { US"cc",             2, TRUE,  htype_cc },
 592   { US"date",           4, TRUE,  htype_date },
 593   { US"delivery-date", 13, FALSE, htype_delivery_date },
 594   { US"envelope-to",   11, FALSE, htype_envelope_to },
 595   { US"from",           4, TRUE,  htype_from },
 596   { US"message-id",    10, TRUE,  htype_id },
 597   { US"received",       8, FALSE, htype_received },
 598   { US"reply-to",       8, FALSE, htype_reply_to },
 599   { US"return-path",   11, FALSE, htype_return_path },
 600   { US"sender",         6, TRUE,  htype_sender },
 601   { US"subject",        7, FALSE, htype_subject },
 602   { US"to",             2, TRUE,  htype_to }
 603 };
 604
 605 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 606
 607 BOOL    header_rewritten       = FALSE;
 608 uschar *helo_accept_junk_hosts = NULL;
 609 uschar *helo_allow_chars       = US"";
 610 uschar *helo_lookup_domains    = US"@ : @[]";
 611 uschar *helo_try_verify_hosts  = NULL;
 612 BOOL    helo_verified          = FALSE;
 613 BOOL    helo_verify_failed     = FALSE;
 614 uschar *helo_verify_hosts      = NULL;
 615 uschar *hex_digits             = US"0123456789abcdef";
 616 uschar *hold_domains           = NULL;
 617 BOOL    host_checking          = FALSE;
 618 BOOL    host_checking_callout  = FALSE;
 619 uschar *host_data              = NULL;
 620 BOOL    host_find_failed_syntax= FALSE;
 621 uschar *host_lookup            = NULL;
 622 BOOL    host_lookup_deferred   = FALSE;
 623 BOOL    host_lookup_failed     = FALSE;
 624 uschar *host_lookup_order      = US"bydns:byaddr";
 625 uschar *host_lookup_msg        = US"";
 626 int     host_number            = 0;
 627 uschar *host_number_string     = NULL;
 628 uschar *host_reject_connection = NULL;
 629 tree_node *hostlist_anchor     = NULL;
 630 int     hostlist_count         = 0;
 631 uschar *hosts_treat_as_local   = NULL;
 632 uschar *hosts_connection_nolog = NULL;
 633
 634 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 635 BOOL    ignore_fromline_local  = FALSE;
 636 uschar *ignore_fromline_hosts  = NULL;
 637 uschar *interface_address      = NULL;
 638 int     interface_port         = -1;
 639 BOOL    is_inetd               = FALSE;
 640 uschar *iterate_item           = NULL;
 641
 642 int     journal_fd             = -1;
 643
 644 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 645
 646 uschar *eldap_dn               = NULL;
 647 int     load_average           = -2;
 648 BOOL    local_error_message    = FALSE;
 649 BOOL    local_from_check       = TRUE;
 650 uschar *local_from_prefix      = NULL;
 651 uschar *local_from_suffix      = NULL;
 652
 653 #if HAVE_IPV6
 654 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 655 #else
 656 uschar *local_interfaces       = US"0.0.0.0";
 657 #endif
 658
 659 uschar *local_scan_data        = NULL;
 660 int     local_scan_timeout     = 5*60;
 661 BOOL    local_sender_retain    = FALSE;
 662 gid_t   local_user_gid         = (gid_t)(-1);
 663 uid_t   local_user_uid         = (uid_t)(-1);
 664
 665 tree_node *localpartlist_anchor= NULL;
 666 int     localpartlist_count    = 0;
 667 uschar *log_buffer             = NULL;
 668 unsigned int log_extra_selector = LX_default;
 669 uschar *log_file_path          = US LOG_FILE_PATH
 670                            "\0<--------------Space to patch log_file_path->";
 671
 672 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 673 are the ones that get put into log_write_selector. They can be used in calls to
 674 log_write() to test for the bit. The options with LX_xxx identifiers have
 675 values greater than 0x80000000 and are put int log_extra_selector (without the
 676 top bit). They are never used in calls to log_write(), but are tested
 677 independently. This separation became necessary when the number of log
 678 selectors was getting close to filling a 32-bit word. */
 679
 680 /* Note that this list must be in alphabetical order. */
 681
 682 bit_table log_options[]        = {
 683   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 684   { US"address_rewrite",              L_address_rewrite },
 685   { US"all",                          L_all },
 686   { US"all_parents",                  L_all_parents },
 687   { US"arguments",                    LX_arguments },
 688   { US"connection_reject",            L_connection_reject },
 689   { US"delay_delivery",               L_delay_delivery },
 690   { US"deliver_time",                 LX_deliver_time },
 691   { US"delivery_size",                LX_delivery_size },
 692   { US"dnslist_defer",                L_dnslist_defer },
 693   { US"etrn",                         L_etrn },
 694   { US"host_lookup_failed",           L_host_lookup_failed },
 695   { US"ident_timeout",                LX_ident_timeout },
 696   { US"incoming_interface",           LX_incoming_interface },
 697   { US"incoming_port",                LX_incoming_port },
 698   { US"lost_incoming_connection",     L_lost_incoming_connection },
 699   { US"outgoing_port",                LX_outgoing_port },
 700   { US"pid",                          LX_pid },
 701   { US"queue_run",                    L_queue_run },
 702   { US"queue_time",                   LX_queue_time },
 703   { US"queue_time_overall",           LX_queue_time_overall },
 704   { US"received_recipients",          LX_received_recipients },
 705   { US"received_sender",              LX_received_sender },
 706   { US"rejected_header",              LX_rejected_header },
 707   { US"rejected_headers",             LX_rejected_header },
 708   { US"retry_defer",                  L_retry_defer },
 709   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 710   { US"sender_on_delivery",           LX_sender_on_delivery },
 711   { US"sender_verify_fail",           LX_sender_verify_fail },
 712   { US"size_reject",                  L_size_reject },
 713   { US"skip_delivery",                L_skip_delivery },
 714   { US"smtp_confirmation",            LX_smtp_confirmation },
 715   { US"smtp_connection",              L_smtp_connection },
 716   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 717   { US"smtp_no_mail",                 LX_smtp_no_mail },
 718   { US"smtp_protocol_error",          L_smtp_protocol_error },
 719   { US"smtp_syntax_error",            L_smtp_syntax_error },
 720   { US"subject",                      LX_subject },
 721   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 722   { US"tls_cipher",                   LX_tls_cipher },
 723   { US"tls_peerdn",                   LX_tls_peerdn },
 724   { US"unknown_in_list",              LX_unknown_in_list }
 725 };
 726
 727 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 728 int     log_reject_target      = 0;
 729 uschar *log_selector_string    = NULL;
 730 FILE   *log_stderr             = NULL;
 731 BOOL    log_testing_mode       = FALSE;
 732 BOOL    log_timezone           = FALSE;
 733 unsigned int log_write_selector= L_default;
 734 uschar *login_sender_address   = NULL;
 735 int     lookup_open_max        = 25;
 736 uschar *lookup_value           = NULL;
 737
 738 macro_item  *macros            = NULL;
 739 uschar *mailstore_basename     = NULL;
 740 #ifdef WITH_CONTENT_SCAN
 741 uschar *malware_name           = NULL;  /* Virus Name */
 742 #endif
 743 int     max_username_length    = 0;
 744 int     message_age            = 0;
 745 uschar *message_body           = NULL;
 746 uschar *message_body_end       = NULL;
 747 int     message_body_size      = 0;
 748 int     message_body_visible   = 500;
 749 int     message_ended          = END_NOTSTARTED;
 750 uschar *message_headers        = NULL;
 751 uschar *message_id;
 752 uschar *message_id_domain      = NULL;
 753 uschar *message_id_text        = NULL;
 754 struct timeval message_id_tv   = { 0, 0 };
 755 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 756 uschar *message_id_external;
 757 int     message_linecount      = 0;
 758 BOOL    message_logs           = TRUE;
 759 int     message_size           = 0;
 760 uschar *message_size_limit     = US"50M";
 761 uschar  message_subdir[2]      = { 0, 0 };
 762 uschar *message_reference      = NULL;
 763
 764 /* MIME ACL expandables */
 765 #ifdef WITH_CONTENT_SCAN
 766 int     mime_anomaly_level     = 0;
 767 uschar *mime_anomaly_text      = NULL;
 768 uschar *mime_boundary          = NULL;
 769 uschar *mime_charset           = NULL;
 770 uschar *mime_content_description = NULL;
 771 uschar *mime_content_disposition = NULL;
 772 uschar *mime_content_id        = NULL;
 773 unsigned int mime_content_size = 0;
 774 uschar *mime_content_transfer_encoding = NULL;
 775 uschar *mime_content_type      = NULL;
 776 uschar *mime_decoded_filename  = NULL;
 777 uschar *mime_filename          = NULL;
 778 int     mime_is_multipart      = 0;
 779 int     mime_is_coverletter    = 0;
 780 int     mime_is_rfc822         = 0;
 781 int     mime_part_count        = -1;
 782 #endif
 783
 784 BOOL    mua_wrapper            = FALSE;
 785
 786 uid_t  *never_users            = NULL;
 787 #ifdef WITH_CONTENT_SCAN
 788 BOOL    no_mbox_unspool        = FALSE;
 789 #endif
 790 BOOL    no_multiline_responses = FALSE;
 791
 792 uid_t   original_euid;
 793 gid_t   originator_gid;
 794 uschar *originator_login       = NULL;
 795 uschar *originator_name        = NULL;
 796 uid_t   originator_uid;
 797 uschar *override_local_interfaces = NULL;
 798 uschar *override_pid_file_path = NULL;
 799
 800 BOOL    parse_allow_group      = FALSE;
 801 BOOL    parse_found_group      = FALSE;
 802 uschar *percent_hack_domains   = NULL;
 803 uschar *pid_file_path          = US PID_FILE_PATH
 804                            "\0<--------------Space to patch pid_file_path->";
 805 BOOL    pipelining_enable      = TRUE;
 806 uschar *pipelining_advertise_hosts = US"*";
 807 BOOL    preserve_message_logs  = FALSE;
 808 uschar *primary_hostname       = NULL;
 809 BOOL    print_topbitchars      = FALSE;
 810 uschar  process_info[PROCESS_INFO_SIZE];
 811 uschar *process_log_path       = NULL;
 812 BOOL    prod_requires_admin    = TRUE;
 813 uschar *prvscheck_address      = NULL;
 814 uschar *prvscheck_keynum       = NULL;
 815 uschar *prvscheck_result       = NULL;
 816
 817
 818 uschar *qualify_domain_recipient = NULL;
 819 uschar *qualify_domain_sender  = NULL;
 820 BOOL    queue_2stage           = FALSE;
 821 uschar *queue_domains          = NULL;
 822 int     queue_interval         = -1;
 823 BOOL    queue_list_requires_admin = TRUE;
 824 BOOL    queue_only             = FALSE;
 825 uschar *queue_only_file        = NULL;
 826 int     queue_only_load        = -1;
 827 BOOL    queue_only_override    = TRUE;
 828 BOOL    queue_only_policy      = FALSE;
 829 BOOL    queue_run_first_delivery = FALSE;
 830 BOOL    queue_run_force        = FALSE;
 831 BOOL    queue_run_in_order     = FALSE;
 832 BOOL    queue_run_local        = FALSE;
 833 int     queue_run_max          = 5;
 834 pid_t   queue_run_pid          = (pid_t)0;
 835 int     queue_run_pipe         = -1;
 836 BOOL    queue_running          = FALSE;
 837 BOOL    queue_smtp             = FALSE;
 838 uschar *queue_smtp_domains     = NULL;
 839
 840 unsigned int random_seed       = 0;
 841 tree_node *ratelimiters_cmd    = NULL;
 842 tree_node *ratelimiters_conn   = NULL;
 843 tree_node *ratelimiters_mail   = NULL;
 844 uschar *raw_active_hostname    = NULL;
 845 uschar *raw_sender             = NULL;
 846 uschar **raw_recipients        = NULL;
 847 int     raw_recipients_count   = 0;
 848
 849 int     rcpt_count             = 0;
 850 int     rcpt_fail_count        = 0;
 851 int     rcpt_defer_count       = 0;
 852 gid_t   real_gid;
 853 uid_t   real_uid;
 854 BOOL    really_exim            = TRUE;
 855 BOOL    receive_call_bombout   = FALSE;
 856 int     receive_linecount      = 0;
 857 int     receive_messagecount   = 0;
 858 int     receive_timeout        = 0;
 859 int     received_count         = 0;
 860 uschar *received_for           = NULL;
 861
 862 /*  This is the default text for Received headers generated by Exim. The
 863 date  will be automatically added on the end. */
 864
 865 uschar *received_header_text   = US
 866      "Received: "
 867      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 868      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 869      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 870      "by $primary_hostname "
 871      "${if def:received_protocol {with $received_protocol}} "
 872      #ifdef SUPPORT_TLS
 873      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 874      #endif
 875      "(Exim $version_number)\n\t"
 876      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 877      "id $message_exim_id"
 878      "${if def:received_for {\n\tfor $received_for}}"
 879      "\0<---------------Space to patch received_header_text->";
 880
 881 int     received_headers_max   = 30;
 882 uschar *received_protocol      = NULL;
 883 int     received_time          = 0;
 884 uschar *recipient_data         = NULL;
 885 uschar *recipient_unqualified_hosts = NULL;
 886 uschar *recipient_verify_failure = NULL;
 887 int     recipients_count       = 0;
 888 BOOL    recipients_discarded   = FALSE;
 889 recipient_item  *recipients_list = NULL;
 890 int     recipients_list_max    = 0;
 891 int     recipients_max         = 0;
 892 BOOL    recipients_max_reject  = FALSE;
 893 const pcre *regex_AUTH         = NULL;
 894 const pcre *regex_check_dns_names = NULL;
 895 const pcre *regex_From         = NULL;
 896 const pcre *regex_IGNOREQUOTA  = NULL;
 897 const pcre *regex_PIPELINING   = NULL;
 898 const pcre *regex_SIZE         = NULL;
 899 const pcre *regex_smtp_code    = NULL;
 900 const pcre *regex_ismsgid      = NULL;
 901 #ifdef WITH_CONTENT_SCAN
 902 uschar *regex_match_string     = NULL;
 903 #endif
 904 int     remote_delivery_count  = 0;
 905 int     remote_max_parallel    = 2;
 906 uschar *remote_sort_domains    = NULL;
 907 int     retry_data_expire      = 7*24*60*60;
 908 int     retry_interval_max     = 24*60*60;
 909 int     retry_maximum_timeout  = 0;        /* set from retry config */
 910 retry_config  *retries         = NULL;
 911 uschar *return_path            = NULL;
 912 BOOL    return_path_remove     = TRUE;
 913 int     rewrite_existflags     = 0;
 914 uschar *rfc1413_hosts          = US"*";
 915 int     rfc1413_query_timeout  = 5;
 916 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 917 uid_t   root_uid               = ROOT_UID;
 918
 919 router_instance  *routers  = NULL;
 920 router_instance  router_defaults = {
 921     NULL,                      /* chain pointer */
 922     NULL,                      /* name */
 923     NULL,                      /* info */
 924     NULL,                      /* private options block pointer */
 925     NULL,                      /* driver name */
 926
 927     NULL,                      /* address_data */
 928 #ifdef EXPERIMENTAL_BRIGHTMAIL
 929     NULL,                      /* bmi_rule */
 930 #endif
 931     NULL,                      /* cannot_route_message */
 932     NULL,                      /* condition */
 933     NULL,                      /* current_directory */
 934     NULL,                      /* debug_string */
 935     NULL,                      /* domains */
 936     NULL,                      /* errors_to */
 937     NULL,                      /* expand_gid */
 938     NULL,                      /* expand_uid */
 939     NULL,                      /* expand_more */
 940     NULL,                      /* expand_unseen */
 941     NULL,                      /* extra_headers */
 942     NULL,                      /* fallback_hosts */
 943     NULL,                      /* home_directory */
 944     NULL,                      /* ignore_target_hosts */
 945     NULL,                      /* local_parts */
 946     NULL,                      /* pass_router_name */
 947     NULL,                      /* prefix */
 948     NULL,                      /* redirect_router_name */
 949     NULL,                      /* remove_headers */
 950     NULL,                      /* require_files */
 951     NULL,                      /* router_home_directory */
 952     US"freeze",                /* self */
 953     NULL,                      /* senders */
 954     NULL,                      /* suffix */
 955     NULL,                      /* translate_ip_address */
 956     NULL,                      /* transport_name */
 957
 958     TRUE,                      /* address_test */
 959 #ifdef EXPERIMENTAL_BRIGHTMAIL
 960     FALSE,                     /* bmi_deliver_alternate */
 961     FALSE,                     /* bmi_deliver_default */
 962     FALSE,                     /* bmi_dont_deliver */
 963 #endif
 964     TRUE,                      /* expn */
 965     FALSE,                     /* caseful_local_part */
 966     FALSE,                     /* check_local_user */
 967     FALSE,                     /* disable_logging */
 968     FALSE,                     /* fail_verify_recipient */
 969     FALSE,                     /* fail_verify_sender */
 970     FALSE,                     /* gid_set */
 971     FALSE,                     /* initgroups */
 972     TRUE_UNSET,                /* log_as_local */
 973     TRUE,                      /* more */
 974     FALSE,                     /* pass_on_timeout */
 975     FALSE,                     /* prefix_optional */
 976     TRUE,                      /* repeat_use */
 977     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 978     FALSE,                     /* same_domain_copy_routing */
 979     FALSE,                     /* self_rewrite */
 980     FALSE,                     /* suffix_optional */
 981     FALSE,                     /* verify_only */
 982     TRUE,                      /* verify_recipient */
 983     TRUE,                      /* verify_sender */
 984     FALSE,                     /* uid_set */
 985     FALSE,                     /* unseen */
 986
 987     self_freeze,               /* self_code */
 988     (uid_t)(-1),               /* uid */
 989     (gid_t)(-1),               /* gid */
 990
 991     NULL,                      /* fallback_hostlist */
 992     NULL,                      /* transport instance */
 993     NULL,                      /* pass_router */
 994     NULL                       /* redirect_router */
 995 };
 996
 997 ip_address_item *running_interfaces = NULL;
 998 BOOL    running_in_test_harness = FALSE;
 999
1000 /* This is a weird one. The following string gets patched in the binary by the
1001 script that sets up a copy of Exim for running in the test harness. It seems
1002 that compilers are now clever, and share constant strings if they can.
1003 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1004 make use of the end of this string in order to save space. So the patching then
1005 wrecks this. We default this optimization by adding some additional characters
1006 onto the end of the string. */
1007
1008 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1009
1010 int     runrc                  = 0;
1011
1012 uschar *search_error_message   = NULL;
1013 BOOL    search_find_defer      = FALSE;
1014 uschar *self_hostname          = NULL;
1015 uschar *sender_address         = NULL;
1016 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1017 uschar *sender_address_data    = NULL;
1018 BOOL    sender_address_forced  = FALSE;
1019 uschar *sender_address_unrewritten = NULL;
1020 uschar *sender_data            = NULL;
1021 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1022 uschar *sender_fullhost        = NULL;
1023 uschar *sender_helo_name       = NULL;
1024 uschar **sender_host_aliases   = &no_aliases;
1025 uschar *sender_host_address    = NULL;
1026 uschar *sender_host_authenticated = NULL;
1027 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1028 uschar *sender_host_name       = NULL;
1029 int     sender_host_port       = 0;
1030 BOOL    sender_host_notsocket  = FALSE;
1031 BOOL    sender_host_unknown    = FALSE;
1032 uschar *sender_ident           = NULL;
1033 BOOL    sender_local           = FALSE;
1034 BOOL    sender_name_forced     = FALSE;
1035 uschar *sender_rate            = NULL;
1036 uschar *sender_rate_limit      = NULL;
1037 uschar *sender_rate_period     = NULL;
1038 uschar *sender_rcvhost         = NULL;
1039 BOOL    sender_set_untrusted   = FALSE;
1040 uschar *sender_unqualified_hosts = NULL;
1041 uschar *sender_verify_failure = NULL;
1042 address_item *sender_verified_list  = NULL;
1043 address_item *sender_verified_failed = NULL;
1044 int     sender_verified_rc     = -1;
1045 BOOL    sender_verified_responded = FALSE;
1046 uschar *sending_ip_address     = NULL;
1047 int     sending_port           = -1;
1048 volatile  BOOL sigalrm_seen    = FALSE;
1049 uschar **sighup_argv           = NULL;
1050 int     smtp_accept_count      = 0;
1051 BOOL    smtp_accept_keepalive  = TRUE;
1052 int     smtp_accept_max        = 20;
1053 int     smtp_accept_max_nonmail= 10;
1054 uschar *smtp_accept_max_nonmail_hosts = US"*";
1055 int     smtp_accept_max_per_connection = 1000;
1056 uschar *smtp_accept_max_per_host = NULL;
1057 int     smtp_accept_queue      = 0;
1058 int     smtp_accept_queue_per_connection = 10;
1059 int     smtp_accept_reserve    = 0;
1060 uschar *smtp_active_hostname   = NULL;
1061 BOOL    smtp_authenticated     = FALSE;
1062 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1063                              "Exim $version_number $tod_full"
1064                              "\0<---------------Space to patch smtp_banner->";
1065 BOOL    smtp_batched_input     = FALSE;
1066 BOOL    smtp_check_spool_space = TRUE;
1067 int     smtp_ch_index          = 0;
1068 uschar *smtp_cmd_argument      = NULL;
1069 uschar *smtp_cmd_buffer        = NULL;
1070 time_t  smtp_connection_start  = 0;
1071 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1072 int     smtp_connect_backlog   = 20;
1073 double  smtp_delay_mail        = 0.0;
1074 double  smtp_delay_rcpt        = 0.0;
1075 BOOL    smtp_enforce_sync      = TRUE;
1076 FILE   *smtp_in                = NULL;
1077 BOOL    smtp_input             = FALSE;
1078 int     smtp_load_reserve      = -1;
1079 int     smtp_mailcmd_count     = 0;
1080 FILE   *smtp_out               = NULL;
1081 uschar *smtp_etrn_command      = NULL;
1082 BOOL    smtp_etrn_serialize    = TRUE;
1083 int     smtp_max_synprot_errors= 3;
1084 int     smtp_max_unknown_commands = 3;
1085 uschar *smtp_ratelimit_hosts   = NULL;
1086 uschar *smtp_ratelimit_mail    = NULL;
1087 uschar *smtp_ratelimit_rcpt    = NULL;
1088 uschar *smtp_read_error        = US"";
1089 int     smtp_receive_timeout   = 5*60;
1090 uschar *smtp_reserve_hosts     = NULL;
1091 BOOL    smtp_return_error_details = FALSE;
1092 int     smtp_rlm_base          = 0;
1093 double  smtp_rlm_factor        = 0.0;
1094 int     smtp_rlm_limit         = 0;
1095 int     smtp_rlm_threshold     = INT_MAX;
1096 int     smtp_rlr_base          = 0;
1097 double  smtp_rlr_factor        = 0.0;
1098 int     smtp_rlr_limit         = 0;
1099 int     smtp_rlr_threshold     = INT_MAX;
1100 BOOL    smtp_use_pipelining    = FALSE;
1101 BOOL    smtp_use_size          = FALSE;
1102
1103 #ifdef WITH_CONTENT_SCAN
1104 uschar *spamd_address          = US"127.0.0.1 783";
1105 uschar *spam_bar               = NULL;
1106 uschar *spam_report            = NULL;
1107 uschar *spam_score             = NULL;
1108 uschar *spam_score_int         = NULL;
1109 #endif
1110 #ifdef EXPERIMENTAL_SPF
1111 uschar *spf_header_comment     = NULL;
1112 uschar *spf_received           = NULL;
1113 uschar *spf_result             = NULL;
1114 uschar *spf_smtp_comment       = NULL;
1115 #endif
1116
1117 BOOL    split_spool_directory  = FALSE;
1118 uschar *spool_directory        = US SPOOL_DIRECTORY
1119                            "\0<--------------Space to patch spool_directory->";
1120 #ifdef EXPERIMENTAL_SRS
1121 uschar *srs_config             = NULL;
1122 uschar *srs_db_address         = NULL;
1123 uschar *srs_db_key             = NULL;
1124 int     srs_hashlength         = 6;
1125 int     srs_hashmin            = -1;
1126 int     srs_maxage             = 31;
1127 uschar *srs_orig_recipient     = NULL;
1128 uschar *srs_orig_sender        = NULL;
1129 uschar *srs_recipient          = NULL;
1130 uschar *srs_secrets            = NULL;
1131 uschar *srs_status             = NULL;
1132 BOOL    srs_usehash            = TRUE;
1133 BOOL    srs_usetimestamp       = TRUE;
1134 #endif
1135 BOOL    strict_acl_vars        = FALSE;
1136 int     string_datestamp_offset= -1;
1137 BOOL    strip_excess_angle_brackets = FALSE;
1138 BOOL    strip_trailing_dot     = FALSE;
1139 uschar *submission_domain      = NULL;
1140 BOOL    submission_mode        = FALSE;
1141 uschar *submission_name        = NULL;
1142 BOOL    suppress_local_fixups  = FALSE;
1143 BOOL    synchronous_delivery   = FALSE;
1144 BOOL    syslog_duplication     = TRUE;
1145 int     syslog_facility        = LOG_MAIL;
1146 uschar *syslog_processname     = US"exim";
1147 BOOL    syslog_timestamp       = TRUE;
1148 uschar *system_filter          = NULL;
1149
1150 uschar *system_filter_directory_transport = NULL;
1151 uschar *system_filter_file_transport = NULL;
1152 uschar *system_filter_pipe_transport = NULL;
1153 uschar *system_filter_reply_transport = NULL;
1154
1155 gid_t   system_filter_gid      = 0;
1156 BOOL    system_filter_gid_set  = FALSE;
1157 uid_t   system_filter_uid      = 0;
1158 BOOL    system_filter_uid_set  = FALSE;
1159 BOOL    system_filtering       = FALSE;
1160
1161 BOOL    tcp_nodelay            = TRUE;
1162 int     thismessage_size_limit = 0;
1163 int     timeout_frozen_after   = 0;
1164 BOOL    timestamps_utc         = FALSE;
1165
1166 transport_instance  *transports = NULL;
1167
1168 transport_instance  transport_defaults = {
1169     NULL,                     /* chain pointer */
1170     NULL,                     /* name */
1171     NULL,                     /* info */
1172     NULL,                     /* private options block pointer */
1173     NULL,                     /* driver name */
1174     NULL,                     /* setup entry point */
1175     1,                        /* batch_max */
1176     NULL,                     /* batch_id */
1177     NULL,                     /* home_dir */
1178     NULL,                     /* current_dir */
1179     TRUE,                     /* multi-domain */
1180     FALSE,                    /* overrides_hosts */
1181     100,                      /* max_addresses */
1182     500,                      /* connection_max_messages */
1183     FALSE,                    /* deliver_as_creator */
1184     FALSE,                    /* disable_logging */
1185     FALSE,                    /* initgroups */
1186     FALSE,                    /* uid_set */
1187     FALSE,                    /* gid_set */
1188     (uid_t)(-1),              /* uid */
1189     (gid_t)(-1),              /* gid */
1190     NULL,                     /* expand_uid */
1191     NULL,                     /* expand_gid */
1192     NULL,                     /* warn_message */
1193     NULL,                     /* shadow */
1194     NULL,                     /* shadow_condition */
1195     NULL,                     /* filter_command */
1196     NULL,                     /* add_headers */
1197     NULL,                     /* remove_headers */
1198     NULL,                     /* return_path */
1199     NULL,                     /* debug_string */
1200     NULL,                     /* message_size_limit */
1201     NULL,                     /* headers_rewrite */
1202     NULL,                     /* rewrite_rules */
1203     0,                        /* rewrite_existflags */
1204     300,                      /* filter_timeout */
1205     FALSE,                    /* body_only */
1206     FALSE,                    /* delivery_date_add */
1207     FALSE,                    /* envelope_to_add */
1208     FALSE,                    /* headers_only */
1209     FALSE,                    /* rcpt_include_affixes */
1210     FALSE,                    /* return_path_add */
1211     FALSE,                    /* return_output */
1212     FALSE,                    /* return_fail_output */
1213     FALSE,                    /* log_output */
1214     FALSE,                    /* log_fail_output */
1215     FALSE,                    /* log_defer_output */
1216     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1217                                  1 nor 0 so can detect unset */
1218 };
1219
1220 int     transport_count;
1221 uschar **transport_filter_argv  = NULL;
1222 int     transport_filter_timeout;
1223 BOOL    transport_filter_timed_out = FALSE;
1224 int     transport_write_timeout= 0;
1225
1226 tree_node  *tree_dns_fails     = NULL;
1227 tree_node  *tree_duplicates    = NULL;
1228 tree_node  *tree_nonrecipients = NULL;
1229 tree_node  *tree_unusable      = NULL;
1230
1231 BOOL    trusted_caller         = FALSE;
1232 gid_t  *trusted_groups         = NULL;
1233 uid_t  *trusted_users          = NULL;
1234 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1235
1236 uschar *unknown_login          = NULL;
1237 uschar *unknown_username       = NULL;
1238 uschar *untrusted_set_sender   = NULL;
1239
1240 /*  A regex for matching a "From_" line in an incoming message, in the form
1241
1242     From ph10 Fri Jan  5 12:35 GMT 1996
1243
1244 which  the "mail" commands send to the MTA (undocumented, of course), or in
1245 the  form
1246
1247     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1248
1249 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1250 Because  of variations in time formats, just match up to the minutes. That
1251 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1252 so  just require one digit for hours and minutes. The weekday is also absent
1253 in  some forms. */
1254
1255 uschar *uucp_from_pattern      = US
1256    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1257    "(?:"                                          /* Non-extracting bracket */
1258    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1259    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1260    ")"                                            /* End alternation */
1261    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1262
1263 uschar *uucp_from_sender       = US"$1";
1264
1265 uschar *warn_message_file      = NULL;
1266 uschar *warnmsg_delay          = NULL;
1267 uschar *warnmsg_recipients     = NULL;
1268 BOOL    write_rejectlog        = TRUE;
1269
1270 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2006";
1271 uschar *version_date           = US"?";
1272 uschar *version_cnumber        = US"????";
1273 uschar *version_string         = US"?";
1274
1275 int     warning_count          = 0;
1276
1277 /*  End of globals.c */