src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.88 2010/06/12 15:21:26 jetmore Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2009 */
   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 /* Generic options for auths, all of which live inside auth_instance
  17 data blocks and hence have the opt_public flag set. */
  18
  19 optionlist optionlist_auths[] = {
  20   { "client_condition", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, client_condition)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(auth_instance, set_id)) }
  36 };
  37
  38 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 #endif
  53
  54 #ifdef EXPAND_DLFUNC
  55 tree_node *dlobj_anchor        = NULL;
  56 #endif
  57
  58 #ifdef LOOKUP_IBASE
  59 uschar *ibase_servers          = NULL;
  60 #endif
  61
  62 #ifdef LOOKUP_LDAP
  63 uschar *eldap_default_servers  = NULL;
  64 int     eldap_version          = -1;
  65 #endif
  66
  67 #ifdef LOOKUP_MYSQL
  68 uschar *mysql_servers          = NULL;
  69 #endif
  70
  71 #ifdef LOOKUP_ORACLE
  72 uschar *oracle_servers         = NULL;
  73 #endif
  74
  75 #ifdef LOOKUP_PGSQL
  76 uschar *pgsql_servers          = NULL;
  77 #endif
  78
  79 #ifdef LOOKUP_SQLITE
  80 int     sqlite_lock_timeout    = 5;
  81 #endif
  82
  83 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  84 BOOL    move_frozen_messages   = FALSE;
  85 #endif
  86
  87 /* These variables are outside the #ifdef because it keeps the code less
  88 cluttered in several places (e.g. during logging) if we can always refer to
  89 them. Also, the tls_ variables are now always visible. */
  90
  91 BOOL    tls_active             = -1;
  92 BOOL    tls_certificate_verified = FALSE;
  93 uschar *tls_cipher             = NULL;
  94 BOOL    tls_on_connect         = FALSE;
  95 uschar *tls_on_connect_ports   = NULL;
  96 uschar *tls_peerdn             = NULL;
  97
  98 #ifdef SUPPORT_TLS
  99 BOOL    gnutls_compat_mode     = FALSE;
 100 uschar *gnutls_require_mac     = NULL;
 101 uschar *gnutls_require_kx      = NULL;
 102 uschar *gnutls_require_proto   = NULL;
 103 uschar *openssl_options        = NULL;
 104 const pcre *regex_STARTTLS     = NULL;
 105 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 106 uschar *tls_certificate        = NULL;
 107 uschar *tls_crl                = NULL;
 108 uschar *tls_dhparam            = NULL;
 109 BOOL    tls_offered            = FALSE;
 110 uschar *tls_privatekey         = NULL;
 111 BOOL    tls_remember_esmtp     = FALSE;
 112 uschar *tls_require_ciphers    = NULL;
 113 uschar *tls_try_verify_hosts   = NULL;
 114 uschar *tls_verify_certificates= NULL;
 115 uschar *tls_verify_hosts       = NULL;
 116 #endif
 117
 118
 119 /* Input-reading functions for messages, so we can use special ones for
 120 incoming TCP/IP. The defaults use stdin. We never need these for any
 121 stand-alone tests. */
 122
 123 #ifndef STAND_ALONE
 124 int (*receive_getc)(void)      = stdin_getc;
 125 int (*receive_ungetc)(int)     = stdin_ungetc;
 126 int (*receive_feof)(void)      = stdin_feof;
 127 int (*receive_ferror)(void)    = stdin_ferror;
 128 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 129 #endif
 130
 131
 132 /* List of per-address expansion variables for clearing and saving/restoring
 133 when verifying one address while routing/verifying another. We have to have
 134 the size explicit, because it is referenced from more than one module. */
 135
 136 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 137   &deliver_address_data,
 138   &deliver_domain,
 139   &deliver_domain_data,
 140   &deliver_domain_orig,
 141   &deliver_domain_parent,
 142   &deliver_localpart,
 143   &deliver_localpart_data,
 144   &deliver_localpart_orig,
 145   &deliver_localpart_parent,
 146   &deliver_localpart_prefix,
 147   &deliver_localpart_suffix,
 148   (uschar **)(&deliver_recipients),
 149   &deliver_host,
 150   &deliver_home,
 151   &address_file,
 152   &address_pipe,
 153   &self_hostname,
 154   NULL };
 155
 156 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 157
 158 /* General global variables */
 159
 160 header_line *acl_added_headers = NULL;
 161 tree_node *acl_anchor          = NULL;
 162
 163 uschar *acl_not_smtp           = NULL;
 164 #ifdef WITH_CONTENT_SCAN
 165 uschar *acl_not_smtp_mime      = NULL;
 166 #endif
 167 uschar *acl_not_smtp_start     = NULL;
 168
 169 uschar *acl_smtp_auth          = NULL;
 170 uschar *acl_smtp_connect       = NULL;
 171 uschar *acl_smtp_data          = NULL;
 172 #ifndef DISABLE_DKIM
 173 uschar *acl_smtp_dkim          = NULL;
 174 #endif
 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_notquit       = NULL;
 184 uschar *acl_smtp_predata       = NULL;
 185 uschar *acl_smtp_quit          = NULL;
 186 uschar *acl_smtp_rcpt          = NULL;
 187 uschar *acl_smtp_starttls      = NULL;
 188 uschar *acl_smtp_vrfy          = NULL;
 189
 190 BOOL    acl_temp_details       = FALSE;
 191 tree_node *acl_var_c           = NULL;
 192 tree_node *acl_var_m           = NULL;
 193 uschar *acl_verify_message     = NULL;
 194 string_item *acl_warn_logged   = NULL;
 195
 196 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 197 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 198
 199 uschar *acl_wherenames[]       = { US"RCPT",
 200                                    US"MAIL",
 201                                    US"PREDATA",
 202                                    US"MIME",
 203                                    US"DKIM",
 204                                    US"DATA",
 205                                    US"non-SMTP",
 206                                    US"AUTH",
 207                                    US"connection",
 208                                    US"ETRN",
 209                                    US"EXPN",
 210                                    US"EHLO or HELO",
 211                                    US"MAILAUTH",
 212                                    US"non-SMTP-start",
 213                                    US"NOTQUIT",
 214                                    US"QUIT",
 215                                    US"STARTTLS",
 216                                    US"VRFY"
 217                                  };
 218
 219 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 220                                    US"550",     /* MAIL */
 221                                    US"550",     /* PREDATA */
 222                                    US"550",     /* MIME */
 223                                    US"550",     /* DKIM */
 224                                    US"550",     /* DATA */
 225                                    US"0",       /* not SMTP; not relevant */
 226                                    US"503",     /* AUTH */
 227                                    US"550",     /* connect */
 228                                    US"458",     /* ETRN */
 229                                    US"550",     /* EXPN */
 230                                    US"550",     /* HELO/EHLO */
 231                                    US"0",       /* MAILAUTH; not relevant */
 232                                    US"0",       /* not SMTP; not relevant */
 233                                    US"0",       /* NOTQUIT; 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,                      /* client_condition */
 331     NULL,                      /* public_name */
 332     NULL,                      /* set_id */
 333     NULL,                      /* server_mail_auth_condition */
 334     NULL,                      /* server_debug_string */
 335     NULL,                      /* server_condition */
 336     FALSE,                     /* client */
 337     FALSE,                     /* server */
 338     FALSE                      /* advertised */
 339 };
 340
 341 uschar *auth_defer_msg         = US"reason not recorded";
 342 uschar *auth_defer_user_msg    = US"";
 343 uschar *auth_vars[AUTH_VARS];
 344 int     auto_thaw              = 0;
 345 #ifdef WITH_CONTENT_SCAN
 346 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 347 #endif
 348
 349 BOOL    background_daemon      = TRUE;
 350
 351 #if BASE_62 == 62
 352 uschar *base62_chars=
 353     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 354 #else
 355 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 356 #endif
 357
 358 uschar *bi_command             = NULL;
 359 uschar *big_buffer             = NULL;
 360 int     big_buffer_size        = BIG_BUFFER_SIZE;
 361 #ifdef EXPERIMENTAL_BRIGHTMAIL
 362 uschar *bmi_alt_location       = NULL;
 363 uschar *bmi_base64_tracker_verdict = NULL;
 364 uschar *bmi_base64_verdict     = NULL;
 365 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 366 int     bmi_deliver            = 1;
 367 int     bmi_run                = 0;
 368 uschar *bmi_verdicts           = NULL;
 369 #endif
 370 int     body_linecount         = 0;
 371 int     body_zerocount         = 0;
 372 uschar *bounce_message_file    = NULL;
 373 uschar *bounce_message_text    = NULL;
 374 uschar *bounce_recipient       = NULL;
 375 BOOL    bounce_return_body     = TRUE;
 376 BOOL    bounce_return_message  = TRUE;
 377 int     bounce_return_size_limit = 100*1024;
 378 uschar *bounce_sender_authentication = NULL;
 379 int     bsmtp_transaction_linecount = 0;
 380
 381 int     callout_cache_domain_positive_expire = 7*24*60*60;
 382 int     callout_cache_domain_negative_expire = 3*60*60;
 383 int     callout_cache_positive_expire = 24*60*60;
 384 int     callout_cache_negative_expire = 2*60*60;
 385 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 386 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 387 int     check_log_inodes       = 0;
 388 int     check_log_space        = 0;
 389 BOOL    check_rfc2047_length   = TRUE;
 390 int     check_spool_inodes     = 0;
 391 int     check_spool_space      = 0;
 392 int     clmacro_count          = 0;
 393 uschar *clmacros[MAX_CLMACROS];
 394 BOOL    config_changed         = FALSE;
 395 FILE   *config_file            = NULL;
 396 uschar *config_filename        = NULL;
 397 int     config_lineno          = 0;
 398 #ifdef CONFIGURE_GROUP
 399 gid_t   config_gid             = CONFIGURE_GROUP;
 400 #endif
 401 uschar *config_main_filelist   = US CONFIGURE_FILE
 402                          "\0<-----------Space to patch configure_filename->";
 403 uschar *config_main_filename   = NULL;
 404
 405 #ifdef CONFIGURE_OWNER
 406 uid_t   config_uid             = CONFIGURE_OWNER;
 407 #endif
 408
 409 int     connection_max_messages= -1;
 410 uschar *continue_hostname      = NULL;
 411 uschar *continue_host_address  = NULL;
 412 BOOL    continue_more          = FALSE;
 413 int     continue_sequence      = 1;
 414 uschar *continue_transport     = NULL;
 415
 416 uschar *csa_status             = NULL;
 417
 418 BOOL    daemon_listen          = FALSE;
 419 uschar *daemon_smtp_port       = US"smtp";
 420 int     daemon_startup_retries = 9;
 421 int     daemon_startup_sleep   = 30;
 422
 423 #ifdef EXPERIMENTAL_DCC
 424 BOOL    dcc_direct_add_header  = FALSE;
 425 uschar *dcc_header             = NULL;
 426 uschar *dcc_result             = NULL;
 427 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 428 uschar *dccifd_options         = US"header";
 429 #endif
 430
 431 BOOL    debug_daemon           = FALSE;
 432 int     debug_fd               = -1;
 433 FILE   *debug_file             = NULL;
 434 bit_table debug_options[]      = {
 435   { US"acl",            D_acl },
 436   { US"all",            D_all },
 437   { US"auth",           D_auth },
 438   { US"deliver",        D_deliver },
 439   { US"dns",            D_dns },
 440   { US"dnsbl",          D_dnsbl },
 441   { US"exec",           D_exec },
 442   { US"expand",         D_expand },
 443   { US"filter",         D_filter },
 444   { US"hints_lookup",   D_hints_lookup },
 445   { US"host_lookup",    D_host_lookup },
 446   { US"ident",          D_ident },
 447   { US"interface",      D_interface },
 448   { US"lists",          D_lists },
 449   { US"load",           D_load },
 450   { US"local_scan",     D_local_scan },
 451   { US"lookup",         D_lookup },
 452   { US"memory",         D_memory },
 453   { US"pid",            D_pid },
 454   { US"process_info",   D_process_info },
 455   { US"queue_run",      D_queue_run },
 456   { US"receive",        D_receive },
 457   { US"resolver",       D_resolver },
 458   { US"retry",          D_retry },
 459   { US"rewrite",        D_rewrite },
 460   { US"route",          D_route },
 461   { US"timestamp",      D_timestamp },
 462   { US"tls",            D_tls },
 463   { US"transport",      D_transport },
 464   { US"uid",            D_uid },
 465   { US"verify",         D_verify }
 466 };
 467 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 468 unsigned int debug_selector    = 0;
 469 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 470 uschar *delay_warning_condition=
 471   US"${if or {"
 472             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 473             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 474             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 475             "} {no}{yes}}";
 476 BOOL    delivery_date_remove   = TRUE;
 477 uschar *deliver_address_data   = NULL;
 478 int     deliver_datafile       = -1;
 479 uschar *deliver_domain         = NULL;
 480 uschar *deliver_domain_data    = NULL;
 481 uschar *deliver_domain_orig    = NULL;
 482 uschar *deliver_domain_parent  = NULL;
 483 BOOL    deliver_drop_privilege = FALSE;
 484 BOOL    deliver_firsttime      = FALSE;
 485 BOOL    deliver_force          = FALSE;
 486 BOOL    deliver_freeze         = FALSE;
 487 int     deliver_frozen_at      = 0;
 488 uschar *deliver_home           = NULL;
 489 uschar *deliver_host           = NULL;
 490 uschar *deliver_host_address   = NULL;
 491 uschar *deliver_in_buffer      = NULL;
 492 ino_t   deliver_inode          = 0;
 493 uschar *deliver_localpart      = NULL;
 494 uschar *deliver_localpart_data = NULL;
 495 uschar *deliver_localpart_orig = NULL;
 496 uschar *deliver_localpart_parent = NULL;
 497 uschar *deliver_localpart_prefix = NULL;
 498 uschar *deliver_localpart_suffix = NULL;
 499 BOOL    deliver_force_thaw     = FALSE;
 500 BOOL    deliver_manual_thaw    = FALSE;
 501 uschar *deliver_out_buffer     = NULL;
 502 int     deliver_queue_load_max = -1;
 503 address_item  *deliver_recipients = NULL;
 504 uschar *deliver_selectstring   = NULL;
 505 BOOL    deliver_selectstring_regex = FALSE;
 506 uschar *deliver_selectstring_sender = NULL;
 507 BOOL    deliver_selectstring_sender_regex = FALSE;
 508 #ifdef WITH_OLD_DEMIME
 509 int     demime_errorlevel      = 0;
 510 int     demime_ok              = 0;
 511 uschar *demime_reason          = NULL;
 512 #endif
 513 BOOL    disable_callout_flush  = FALSE;
 514 BOOL    disable_delay_flush    = FALSE;
 515 #ifdef ENABLE_DISABLE_FSYNC
 516 BOOL    disable_fsync          = FALSE;
 517 #endif
 518 BOOL    disable_ipv6           = FALSE;
 519 BOOL    disable_logging        = FALSE;
 520
 521 #ifndef DISABLE_DKIM
 522 uschar *dkim_cur_signer          = NULL;
 523 uschar *dkim_signers             = NULL;
 524 uschar *dkim_signing_domain      = NULL;
 525 uschar *dkim_signing_selector    = NULL;
 526 uschar *dkim_verify_signers      = US"$dkim_signers";
 527 BOOL    dkim_collect_input       = FALSE;
 528 BOOL    dkim_disable_verify      = FALSE;
 529 #endif
 530
 531 uschar *dns_again_means_nonexist = NULL;
 532 int     dns_csa_search_limit   = 5;
 533 BOOL    dns_csa_use_reverse    = TRUE;
 534 uschar *dns_ipv4_lookup        = NULL;
 535 int     dns_retrans            = 0;
 536 int     dns_retry              = 0;
 537 uschar *dnslist_domain         = NULL;
 538 uschar *dnslist_matched        = NULL;
 539 uschar *dnslist_text           = NULL;
 540 uschar *dnslist_value          = NULL;
 541 tree_node *domainlist_anchor   = NULL;
 542 int     domainlist_count       = 0;
 543 BOOL    dont_deliver           = FALSE;
 544 BOOL    dot_ends               = TRUE;
 545 BOOL    drop_cr                = FALSE;         /* No longer used */
 546 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 547
 548 BOOL    enable_dollar_recipients = FALSE;
 549 BOOL    envelope_to_remove     = TRUE;
 550 int     errno_quota            = ERRNO_QUOTA;
 551 uschar *errors_copy            = NULL;
 552 int     error_handling         = ERRORS_SENDER;
 553 uschar *errors_reply_to        = NULL;
 554 int     errors_sender_rc       = EXIT_FAILURE;
 555
 556 gid_t   exim_gid               = EXIM_GID;
 557 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 558 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 559                         "\0<---------------Space to patch exim_path->";
 560 uid_t   exim_uid               = EXIM_UID;
 561 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 562 int     expand_forbid          = 0;
 563 int     expand_nlength[EXPAND_MAXN+1];
 564 int     expand_nmax            = -1;
 565 uschar *expand_nstring[EXPAND_MAXN+1];
 566 BOOL    expand_string_forcedfail = FALSE;
 567 uschar *expand_string_message;
 568 BOOL    extract_addresses_remove_arguments = TRUE;
 569 uschar *extra_local_interfaces = NULL;
 570
 571 int     fake_response          = OK;
 572 uschar *fake_response_text     = US"Your message has been rejected but is "
 573                                    "being kept for evaluation.\nIf it was a "
 574                                    "legitimate message, it may still be "
 575                                    "delivered to the target recipient(s).";
 576 int     filter_n[FILTER_VARIABLE_COUNT];
 577 BOOL    filter_running         = FALSE;
 578 int     filter_sn[FILTER_VARIABLE_COUNT];
 579 int     filter_test            = FTEST_NONE;
 580 uschar *filter_test_sfile      = NULL;
 581 uschar *filter_test_ufile      = NULL;
 582 uschar *filter_thisaddress     = NULL;
 583 int     finduser_retries       = 0;
 584 #ifdef WITH_OLD_DEMIME
 585 uschar *found_extension        = NULL;
 586 #endif
 587 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 588 uschar *freeze_tell            = NULL;
 589 uschar *freeze_tell_config     = NULL;
 590 uschar *fudged_queue_times     = US"";
 591
 592 uschar *gecos_name             = NULL;
 593 uschar *gecos_pattern          = NULL;
 594 rewrite_rule  *global_rewrite_rules = NULL;
 595
 596 uschar *headers_charset        = US HEADERS_CHARSET;
 597 int     header_insert_maxlen   = 64 * 1024;
 598 header_line  *header_last      = NULL;
 599 header_line  *header_list      = NULL;
 600 int     header_maxsize         = HEADER_MAXSIZE;
 601 int     header_line_maxsize    = 0;
 602
 603 header_name header_names[] = {
 604   { US"bcc",            3, TRUE,  htype_bcc },
 605   { US"cc",             2, TRUE,  htype_cc },
 606   { US"date",           4, TRUE,  htype_date },
 607   { US"delivery-date", 13, FALSE, htype_delivery_date },
 608   { US"envelope-to",   11, FALSE, htype_envelope_to },
 609   { US"from",           4, TRUE,  htype_from },
 610   { US"message-id",    10, TRUE,  htype_id },
 611   { US"received",       8, FALSE, htype_received },
 612   { US"reply-to",       8, FALSE, htype_reply_to },
 613   { US"return-path",   11, FALSE, htype_return_path },
 614   { US"sender",         6, TRUE,  htype_sender },
 615   { US"subject",        7, FALSE, htype_subject },
 616   { US"to",             2, TRUE,  htype_to }
 617 };
 618
 619 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 620
 621 BOOL    header_rewritten       = FALSE;
 622 uschar *helo_accept_junk_hosts = NULL;
 623 uschar *helo_allow_chars       = US"";
 624 uschar *helo_lookup_domains    = US"@ : @[]";
 625 uschar *helo_try_verify_hosts  = NULL;
 626 BOOL    helo_verified          = FALSE;
 627 BOOL    helo_verify_failed     = FALSE;
 628 uschar *helo_verify_hosts      = NULL;
 629 uschar *hex_digits             = US"0123456789abcdef";
 630 uschar *hold_domains           = NULL;
 631 BOOL    host_checking          = FALSE;
 632 BOOL    host_checking_callout  = FALSE;
 633 uschar *host_data              = NULL;
 634 BOOL    host_find_failed_syntax= FALSE;
 635 uschar *host_lookup            = NULL;
 636 BOOL    host_lookup_deferred   = FALSE;
 637 BOOL    host_lookup_failed     = FALSE;
 638 uschar *host_lookup_order      = US"bydns:byaddr";
 639 uschar *host_lookup_msg        = US"";
 640 int     host_number            = 0;
 641 uschar *host_number_string     = NULL;
 642 uschar *host_reject_connection = NULL;
 643 tree_node *hostlist_anchor     = NULL;
 644 int     hostlist_count         = 0;
 645 uschar *hosts_treat_as_local   = NULL;
 646 uschar *hosts_connection_nolog = NULL;
 647
 648 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 649 BOOL    ignore_fromline_local  = FALSE;
 650 uschar *ignore_fromline_hosts  = NULL;
 651 uschar *interface_address      = NULL;
 652 int     interface_port         = -1;
 653 BOOL    is_inetd               = FALSE;
 654 uschar *iterate_item           = NULL;
 655
 656 int     journal_fd             = -1;
 657
 658 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 659
 660 uschar *eldap_dn               = NULL;
 661 int     load_average           = -2;
 662 BOOL    local_error_message    = FALSE;
 663 BOOL    local_from_check       = TRUE;
 664 uschar *local_from_prefix      = NULL;
 665 uschar *local_from_suffix      = NULL;
 666
 667 #if HAVE_IPV6
 668 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 669 #else
 670 uschar *local_interfaces       = US"0.0.0.0";
 671 #endif
 672
 673 uschar *local_scan_data        = NULL;
 674 int     local_scan_timeout     = 5*60;
 675 BOOL    local_sender_retain    = FALSE;
 676 gid_t   local_user_gid         = (gid_t)(-1);
 677 uid_t   local_user_uid         = (uid_t)(-1);
 678
 679 tree_node *localpartlist_anchor= NULL;
 680 int     localpartlist_count    = 0;
 681 uschar *log_buffer             = NULL;
 682 unsigned int log_extra_selector = LX_default;
 683 uschar *log_file_path          = US LOG_FILE_PATH
 684                            "\0<--------------Space to patch log_file_path->";
 685
 686 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 687 are the ones that get put into log_write_selector. They can be used in calls to
 688 log_write() to test for the bit. The options with LX_xxx identifiers have
 689 values greater than 0x80000000 and are put int log_extra_selector (without the
 690 top bit). They are never used in calls to log_write(), but are tested
 691 independently. This separation became necessary when the number of log
 692 selectors was getting close to filling a 32-bit word. */
 693
 694 /* Note that this list must be in alphabetical order. */
 695
 696 bit_table log_options[]        = {
 697   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 698   { US"address_rewrite",              L_address_rewrite },
 699   { US"all",                          L_all },
 700   { US"all_parents",                  L_all_parents },
 701   { US"arguments",                    LX_arguments },
 702   { US"connection_reject",            L_connection_reject },
 703   { US"delay_delivery",               L_delay_delivery },
 704   { US"deliver_time",                 LX_deliver_time },
 705   { US"delivery_size",                LX_delivery_size },
 706   { US"dnslist_defer",                L_dnslist_defer },
 707   { US"etrn",                         L_etrn },
 708   { US"host_lookup_failed",           L_host_lookup_failed },
 709   { US"ident_timeout",                LX_ident_timeout },
 710   { US"incoming_interface",           LX_incoming_interface },
 711   { US"incoming_port",                LX_incoming_port },
 712   { US"lost_incoming_connection",     L_lost_incoming_connection },
 713   { US"outgoing_port",                LX_outgoing_port },
 714   { US"pid",                          LX_pid },
 715   { US"queue_run",                    L_queue_run },
 716   { US"queue_time",                   LX_queue_time },
 717   { US"queue_time_overall",           LX_queue_time_overall },
 718   { US"received_recipients",          LX_received_recipients },
 719   { US"received_sender",              LX_received_sender },
 720   { US"rejected_header",              LX_rejected_header },
 721   { US"rejected_headers",             LX_rejected_header },
 722   { US"retry_defer",                  L_retry_defer },
 723   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 724   { US"sender_on_delivery",           LX_sender_on_delivery },
 725   { US"sender_verify_fail",           LX_sender_verify_fail },
 726   { US"size_reject",                  L_size_reject },
 727   { US"skip_delivery",                L_skip_delivery },
 728   { US"smtp_confirmation",            LX_smtp_confirmation },
 729   { US"smtp_connection",              L_smtp_connection },
 730   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 731   { US"smtp_no_mail",                 LX_smtp_no_mail },
 732   { US"smtp_protocol_error",          L_smtp_protocol_error },
 733   { US"smtp_syntax_error",            L_smtp_syntax_error },
 734   { US"subject",                      LX_subject },
 735   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 736   { US"tls_cipher",                   LX_tls_cipher },
 737   { US"tls_peerdn",                   LX_tls_peerdn },
 738   { US"unknown_in_list",              LX_unknown_in_list }
 739 };
 740
 741 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 742 int     log_reject_target      = 0;
 743 uschar *log_selector_string    = NULL;
 744 FILE   *log_stderr             = NULL;
 745 BOOL    log_testing_mode       = FALSE;
 746 BOOL    log_timezone           = FALSE;
 747 unsigned int log_write_selector= L_default;
 748 uschar *login_sender_address   = NULL;
 749 int     lookup_open_max        = 25;
 750 uschar *lookup_value           = NULL;
 751
 752 macro_item  *macros            = NULL;
 753 uschar *mailstore_basename     = NULL;
 754 #ifdef WITH_CONTENT_SCAN
 755 uschar *malware_name           = NULL;  /* Virus Name */
 756 #endif
 757 int     max_received_linelength= 0;
 758 int     max_username_length    = 0;
 759 int     message_age            = 0;
 760 uschar *message_body           = NULL;
 761 uschar *message_body_end       = NULL;
 762 BOOL    message_body_newlines  = FALSE;
 763 int     message_body_size      = 0;
 764 int     message_body_visible   = 500;
 765 int     message_ended          = END_NOTSTARTED;
 766 uschar *message_headers        = NULL;
 767 uschar *message_id;
 768 uschar *message_id_domain      = NULL;
 769 uschar *message_id_text        = NULL;
 770 struct timeval message_id_tv   = { 0, 0 };
 771 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 772 uschar *message_id_external;
 773 int     message_linecount      = 0;
 774 BOOL    message_logs           = TRUE;
 775 int     message_size           = 0;
 776 uschar *message_size_limit     = US"50M";
 777 uschar  message_subdir[2]      = { 0, 0 };
 778 uschar *message_reference      = NULL;
 779
 780 /* MIME ACL expandables */
 781 #ifdef WITH_CONTENT_SCAN
 782 int     mime_anomaly_level     = 0;
 783 uschar *mime_anomaly_text      = NULL;
 784 uschar *mime_boundary          = NULL;
 785 uschar *mime_charset           = NULL;
 786 uschar *mime_content_description = NULL;
 787 uschar *mime_content_disposition = NULL;
 788 uschar *mime_content_id        = NULL;
 789 unsigned int mime_content_size = 0;
 790 uschar *mime_content_transfer_encoding = NULL;
 791 uschar *mime_content_type      = NULL;
 792 uschar *mime_decoded_filename  = NULL;
 793 uschar *mime_filename          = NULL;
 794 int     mime_is_multipart      = 0;
 795 int     mime_is_coverletter    = 0;
 796 int     mime_is_rfc822         = 0;
 797 int     mime_part_count        = -1;
 798 #endif
 799
 800 BOOL    mua_wrapper            = FALSE;
 801
 802 uid_t  *never_users            = NULL;
 803 #ifdef WITH_CONTENT_SCAN
 804 BOOL    no_mbox_unspool        = FALSE;
 805 #endif
 806 BOOL    no_multiline_responses = FALSE;
 807
 808 uid_t   original_euid;
 809 gid_t   originator_gid;
 810 uschar *originator_login       = NULL;
 811 uschar *originator_name        = NULL;
 812 uid_t   originator_uid;
 813 uschar *override_local_interfaces = NULL;
 814 uschar *override_pid_file_path = NULL;
 815
 816 BOOL    parse_allow_group      = FALSE;
 817 BOOL    parse_found_group      = FALSE;
 818 uschar *percent_hack_domains   = NULL;
 819 uschar *pid_file_path          = US PID_FILE_PATH
 820                            "\0<--------------Space to patch pid_file_path->";
 821 BOOL    pipelining_enable      = TRUE;
 822 uschar *pipelining_advertise_hosts = US"*";
 823 BOOL    preserve_message_logs  = FALSE;
 824 uschar *primary_hostname       = NULL;
 825 BOOL    print_topbitchars      = FALSE;
 826 uschar  process_info[PROCESS_INFO_SIZE];
 827 uschar *process_log_path       = NULL;
 828 BOOL    prod_requires_admin    = TRUE;
 829 uschar *prvscheck_address      = NULL;
 830 uschar *prvscheck_keynum       = NULL;
 831 uschar *prvscheck_result       = NULL;
 832
 833
 834 uschar *qualify_domain_recipient = NULL;
 835 uschar *qualify_domain_sender  = NULL;
 836 BOOL    queue_2stage           = FALSE;
 837 uschar *queue_domains          = NULL;
 838 int     queue_interval         = -1;
 839 BOOL    queue_list_requires_admin = TRUE;
 840 BOOL    queue_only             = FALSE;
 841 uschar *queue_only_file        = NULL;
 842 int     queue_only_load        = -1;
 843 BOOL    queue_only_load_latch  = TRUE;
 844 BOOL    queue_only_override    = TRUE;
 845 BOOL    queue_only_policy      = FALSE;
 846 BOOL    queue_run_first_delivery = FALSE;
 847 BOOL    queue_run_force        = FALSE;
 848 BOOL    queue_run_in_order     = FALSE;
 849 BOOL    queue_run_local        = FALSE;
 850 int     queue_run_max          = 5;
 851 pid_t   queue_run_pid          = (pid_t)0;
 852 int     queue_run_pipe         = -1;
 853 BOOL    queue_running          = FALSE;
 854 BOOL    queue_smtp             = FALSE;
 855 uschar *queue_smtp_domains     = NULL;
 856
 857 unsigned int random_seed       = 0;
 858 tree_node *ratelimiters_cmd    = NULL;
 859 tree_node *ratelimiters_conn   = NULL;
 860 tree_node *ratelimiters_mail   = NULL;
 861 uschar *raw_active_hostname    = NULL;
 862 uschar *raw_sender             = NULL;
 863 uschar **raw_recipients        = NULL;
 864 int     raw_recipients_count   = 0;
 865
 866 int     rcpt_count             = 0;
 867 int     rcpt_fail_count        = 0;
 868 int     rcpt_defer_count       = 0;
 869 gid_t   real_gid;
 870 uid_t   real_uid;
 871 BOOL    really_exim            = TRUE;
 872 BOOL    receive_call_bombout   = FALSE;
 873 int     receive_linecount      = 0;
 874 int     receive_messagecount   = 0;
 875 int     receive_timeout        = 0;
 876 int     received_count         = 0;
 877 uschar *received_for           = NULL;
 878
 879 /*  This is the default text for Received headers generated by Exim. The
 880 date  will be automatically added on the end. */
 881
 882 uschar *received_header_text   = US
 883      "Received: "
 884      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 885      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 886      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 887      "by $primary_hostname "
 888      "${if def:received_protocol {with $received_protocol}} "
 889      #ifdef SUPPORT_TLS
 890      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 891      #endif
 892      "(Exim $version_number)\n\t"
 893      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 894      "id $message_exim_id"
 895      "${if def:received_for {\n\tfor $received_for}}"
 896      "\0<---------------Space to patch received_header_text->";
 897
 898 int     received_headers_max   = 30;
 899 uschar *received_protocol      = NULL;
 900 int     received_time          = 0;
 901 uschar *recipient_data         = NULL;
 902 uschar *recipient_unqualified_hosts = NULL;
 903 uschar *recipient_verify_failure = NULL;
 904 int     recipients_count       = 0;
 905 BOOL    recipients_discarded   = FALSE;
 906 recipient_item  *recipients_list = NULL;
 907 int     recipients_list_max    = 0;
 908 int     recipients_max         = 0;
 909 BOOL    recipients_max_reject  = FALSE;
 910 const pcre *regex_AUTH         = NULL;
 911 const pcre *regex_check_dns_names = NULL;
 912 const pcre *regex_From         = NULL;
 913 const pcre *regex_IGNOREQUOTA  = NULL;
 914 const pcre *regex_PIPELINING   = NULL;
 915 const pcre *regex_SIZE         = NULL;
 916 const pcre *regex_smtp_code    = NULL;
 917 const pcre *regex_ismsgid      = NULL;
 918 #ifdef WHITELIST_D_MACROS
 919 const pcre *regex_whitelisted_macro = NULL;
 920 #endif
 921 #ifdef WITH_CONTENT_SCAN
 922 uschar *regex_match_string     = NULL;
 923 #endif
 924 int     remote_delivery_count  = 0;
 925 int     remote_max_parallel    = 2;
 926 uschar *remote_sort_domains    = NULL;
 927 int     retry_data_expire      = 7*24*60*60;
 928 int     retry_interval_max     = 24*60*60;
 929 int     retry_maximum_timeout  = 0;        /* set from retry config */
 930 retry_config  *retries         = NULL;
 931 uschar *return_path            = NULL;
 932 BOOL    return_path_remove     = TRUE;
 933 int     rewrite_existflags     = 0;
 934 uschar *rfc1413_hosts          = US"*";
 935 int     rfc1413_query_timeout  = 5;
 936 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 937 uid_t   root_gid               = ROOT_GID;
 938 uid_t   root_uid               = ROOT_UID;
 939
 940 router_instance  *routers  = NULL;
 941 router_instance  router_defaults = {
 942     NULL,                      /* chain pointer */
 943     NULL,                      /* name */
 944     NULL,                      /* info */
 945     NULL,                      /* private options block pointer */
 946     NULL,                      /* driver name */
 947
 948     NULL,                      /* address_data */
 949 #ifdef EXPERIMENTAL_BRIGHTMAIL
 950     NULL,                      /* bmi_rule */
 951 #endif
 952     NULL,                      /* cannot_route_message */
 953     NULL,                      /* condition */
 954     NULL,                      /* current_directory */
 955     NULL,                      /* debug_string */
 956     NULL,                      /* domains */
 957     NULL,                      /* errors_to */
 958     NULL,                      /* expand_gid */
 959     NULL,                      /* expand_uid */
 960     NULL,                      /* expand_more */
 961     NULL,                      /* expand_unseen */
 962     NULL,                      /* extra_headers */
 963     NULL,                      /* fallback_hosts */
 964     NULL,                      /* home_directory */
 965     NULL,                      /* ignore_target_hosts */
 966     NULL,                      /* local_parts */
 967     NULL,                      /* pass_router_name */
 968     NULL,                      /* prefix */
 969     NULL,                      /* redirect_router_name */
 970     NULL,                      /* remove_headers */
 971     NULL,                      /* require_files */
 972     NULL,                      /* router_home_directory */
 973     US"freeze",                /* self */
 974     NULL,                      /* senders */
 975     NULL,                      /* suffix */
 976     NULL,                      /* translate_ip_address */
 977     NULL,                      /* transport_name */
 978
 979     TRUE,                      /* address_test */
 980 #ifdef EXPERIMENTAL_BRIGHTMAIL
 981     FALSE,                     /* bmi_deliver_alternate */
 982     FALSE,                     /* bmi_deliver_default */
 983     FALSE,                     /* bmi_dont_deliver */
 984 #endif
 985     TRUE,                      /* expn */
 986     FALSE,                     /* caseful_local_part */
 987     FALSE,                     /* check_local_user */
 988     FALSE,                     /* disable_logging */
 989     FALSE,                     /* fail_verify_recipient */
 990     FALSE,                     /* fail_verify_sender */
 991     FALSE,                     /* gid_set */
 992     FALSE,                     /* initgroups */
 993     TRUE_UNSET,                /* log_as_local */
 994     TRUE,                      /* more */
 995     FALSE,                     /* pass_on_timeout */
 996     FALSE,                     /* prefix_optional */
 997     TRUE,                      /* repeat_use */
 998     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 999     FALSE,                     /* same_domain_copy_routing */
1000     FALSE,                     /* self_rewrite */
1001     FALSE,                     /* suffix_optional */
1002     FALSE,                     /* verify_only */
1003     TRUE,                      /* verify_recipient */
1004     TRUE,                      /* verify_sender */
1005     FALSE,                     /* uid_set */
1006     FALSE,                     /* unseen */
1007
1008     self_freeze,               /* self_code */
1009     (uid_t)(-1),               /* uid */
1010     (gid_t)(-1),               /* gid */
1011
1012     NULL,                      /* fallback_hostlist */
1013     NULL,                      /* transport instance */
1014     NULL,                      /* pass_router */
1015     NULL                       /* redirect_router */
1016 };
1017
1018 ip_address_item *running_interfaces = NULL;
1019 BOOL    running_in_test_harness = FALSE;
1020
1021 /* This is a weird one. The following string gets patched in the binary by the
1022 script that sets up a copy of Exim for running in the test harness. It seems
1023 that compilers are now clever, and share constant strings if they can.
1024 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1025 make use of the end of this string in order to save space. So the patching then
1026 wrecks this. We defeat this optimization by adding some additional characters
1027 onto the end of the string. */
1028
1029 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1030
1031 int     runrc                  = 0;
1032
1033 uschar *search_error_message   = NULL;
1034 BOOL    search_find_defer      = FALSE;
1035 uschar *self_hostname          = NULL;
1036 uschar *sender_address         = NULL;
1037 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1038 uschar *sender_address_data    = NULL;
1039 BOOL    sender_address_forced  = FALSE;
1040 uschar *sender_address_unrewritten = NULL;
1041 uschar *sender_data            = NULL;
1042 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1043 uschar *sender_fullhost        = NULL;
1044 uschar *sender_helo_name       = NULL;
1045 uschar **sender_host_aliases   = &no_aliases;
1046 uschar *sender_host_address    = NULL;
1047 uschar *sender_host_authenticated = NULL;
1048 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1049 uschar *sender_host_name       = NULL;
1050 int     sender_host_port       = 0;
1051 BOOL    sender_host_notsocket  = FALSE;
1052 BOOL    sender_host_unknown    = FALSE;
1053 uschar *sender_ident           = NULL;
1054 BOOL    sender_local           = FALSE;
1055 BOOL    sender_name_forced     = FALSE;
1056 uschar *sender_rate            = NULL;
1057 uschar *sender_rate_limit      = NULL;
1058 uschar *sender_rate_period     = NULL;
1059 uschar *sender_rcvhost         = NULL;
1060 BOOL    sender_set_untrusted   = FALSE;
1061 uschar *sender_unqualified_hosts = NULL;
1062 uschar *sender_verify_failure = NULL;
1063 address_item *sender_verified_list  = NULL;
1064 address_item *sender_verified_failed = NULL;
1065 int     sender_verified_rc     = -1;
1066 BOOL    sender_verified_responded = FALSE;
1067 uschar *sending_ip_address     = NULL;
1068 int     sending_port           = -1;
1069 volatile  BOOL sigalrm_seen    = FALSE;
1070 uschar **sighup_argv           = NULL;
1071 int     smtp_accept_count      = 0;
1072 BOOL    smtp_accept_keepalive  = TRUE;
1073 int     smtp_accept_max        = 20;
1074 int     smtp_accept_max_nonmail= 10;
1075 uschar *smtp_accept_max_nonmail_hosts = US"*";
1076 int     smtp_accept_max_per_connection = 1000;
1077 uschar *smtp_accept_max_per_host = NULL;
1078 int     smtp_accept_queue      = 0;
1079 int     smtp_accept_queue_per_connection = 10;
1080 int     smtp_accept_reserve    = 0;
1081 uschar *smtp_active_hostname   = NULL;
1082 BOOL    smtp_authenticated     = FALSE;
1083 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1084                              "Exim $version_number $tod_full"
1085                              "\0<---------------Space to patch smtp_banner->";
1086 BOOL    smtp_batched_input     = FALSE;
1087 BOOL    smtp_check_spool_space = TRUE;
1088 int     smtp_ch_index          = 0;
1089 uschar *smtp_cmd_argument      = NULL;
1090 uschar *smtp_cmd_buffer        = NULL;
1091 time_t  smtp_connection_start  = 0;
1092 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1093 int     smtp_connect_backlog   = 20;
1094 double  smtp_delay_mail        = 0.0;
1095 double  smtp_delay_rcpt        = 0.0;
1096 BOOL    smtp_enforce_sync      = TRUE;
1097 FILE   *smtp_in                = NULL;
1098 BOOL    smtp_input             = FALSE;
1099 int     smtp_load_reserve      = -1;
1100 int     smtp_mailcmd_count     = 0;
1101 FILE   *smtp_out               = NULL;
1102 uschar *smtp_etrn_command      = NULL;
1103 BOOL    smtp_etrn_serialize    = TRUE;
1104 int     smtp_max_synprot_errors= 3;
1105 int     smtp_max_unknown_commands = 3;
1106 uschar *smtp_notquit_reason    = NULL;
1107 uschar *smtp_ratelimit_hosts   = NULL;
1108 uschar *smtp_ratelimit_mail    = NULL;
1109 uschar *smtp_ratelimit_rcpt    = NULL;
1110 uschar *smtp_read_error        = US"";
1111 int     smtp_receive_timeout   = 5*60;
1112 uschar *smtp_reserve_hosts     = NULL;
1113 BOOL    smtp_return_error_details = FALSE;
1114 int     smtp_rlm_base          = 0;
1115 double  smtp_rlm_factor        = 0.0;
1116 int     smtp_rlm_limit         = 0;
1117 int     smtp_rlm_threshold     = INT_MAX;
1118 int     smtp_rlr_base          = 0;
1119 double  smtp_rlr_factor        = 0.0;
1120 int     smtp_rlr_limit         = 0;
1121 int     smtp_rlr_threshold     = INT_MAX;
1122 BOOL    smtp_use_pipelining    = FALSE;
1123 BOOL    smtp_use_size          = FALSE;
1124
1125 #ifdef WITH_CONTENT_SCAN
1126 uschar *spamd_address          = US"127.0.0.1 783";
1127 uschar *spam_bar               = NULL;
1128 uschar *spam_report            = NULL;
1129 uschar *spam_score             = NULL;
1130 uschar *spam_score_int         = NULL;
1131 #endif
1132 #ifdef EXPERIMENTAL_SPF
1133 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1134 uschar *spf_header_comment     = NULL;
1135 uschar *spf_received           = NULL;
1136 uschar *spf_result             = NULL;
1137 uschar *spf_smtp_comment       = NULL;
1138 #endif
1139
1140 BOOL    split_spool_directory  = FALSE;
1141 uschar *spool_directory        = US SPOOL_DIRECTORY
1142                            "\0<--------------Space to patch spool_directory->";
1143 #ifdef EXPERIMENTAL_SRS
1144 uschar *srs_config             = NULL;
1145 uschar *srs_db_address         = NULL;
1146 uschar *srs_db_key             = NULL;
1147 int     srs_hashlength         = 6;
1148 int     srs_hashmin            = -1;
1149 int     srs_maxage             = 31;
1150 uschar *srs_orig_recipient     = NULL;
1151 uschar *srs_orig_sender        = NULL;
1152 uschar *srs_recipient          = NULL;
1153 uschar *srs_secrets            = NULL;
1154 uschar *srs_status             = NULL;
1155 BOOL    srs_usehash            = TRUE;
1156 BOOL    srs_usetimestamp       = TRUE;
1157 #endif
1158 BOOL    strict_acl_vars        = FALSE;
1159 int     string_datestamp_offset= -1;
1160 BOOL    strip_excess_angle_brackets = FALSE;
1161 BOOL    strip_trailing_dot     = FALSE;
1162 uschar *submission_domain      = NULL;
1163 BOOL    submission_mode        = FALSE;
1164 uschar *submission_name        = NULL;
1165 BOOL    suppress_local_fixups  = FALSE;
1166 BOOL    synchronous_delivery   = FALSE;
1167 BOOL    syslog_duplication     = TRUE;
1168 int     syslog_facility        = LOG_MAIL;
1169 uschar *syslog_processname     = US"exim";
1170 BOOL    syslog_timestamp       = TRUE;
1171 uschar *system_filter          = NULL;
1172
1173 uschar *system_filter_directory_transport = NULL;
1174 uschar *system_filter_file_transport = NULL;
1175 uschar *system_filter_pipe_transport = NULL;
1176 uschar *system_filter_reply_transport = NULL;
1177
1178 gid_t   system_filter_gid      = 0;
1179 BOOL    system_filter_gid_set  = FALSE;
1180 uid_t   system_filter_uid      = (uid_t)-1;
1181 BOOL    system_filter_uid_set  = FALSE;
1182 BOOL    system_filtering       = FALSE;
1183
1184 BOOL    tcp_nodelay            = TRUE;
1185 #ifdef USE_TCP_WRAPPERS
1186 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1187 #endif
1188 int     test_harness_load_avg  = 0;
1189 int     thismessage_size_limit = 0;
1190 int     timeout_frozen_after   = 0;
1191 BOOL    timestamps_utc         = FALSE;
1192
1193 transport_instance  *transports = NULL;
1194
1195 transport_instance  transport_defaults = {
1196     NULL,                     /* chain pointer */
1197     NULL,                     /* name */
1198     NULL,                     /* info */
1199     NULL,                     /* private options block pointer */
1200     NULL,                     /* driver name */
1201     NULL,                     /* setup entry point */
1202     1,                        /* batch_max */
1203     NULL,                     /* batch_id */
1204     NULL,                     /* home_dir */
1205     NULL,                     /* current_dir */
1206     TRUE,                     /* multi-domain */
1207     FALSE,                    /* overrides_hosts */
1208     100,                      /* max_addresses */
1209     500,                      /* connection_max_messages */
1210     FALSE,                    /* deliver_as_creator */
1211     FALSE,                    /* disable_logging */
1212     FALSE,                    /* initgroups */
1213     FALSE,                    /* uid_set */
1214     FALSE,                    /* gid_set */
1215     (uid_t)(-1),              /* uid */
1216     (gid_t)(-1),              /* gid */
1217     NULL,                     /* expand_uid */
1218     NULL,                     /* expand_gid */
1219     NULL,                     /* warn_message */
1220     NULL,                     /* shadow */
1221     NULL,                     /* shadow_condition */
1222     NULL,                     /* filter_command */
1223     NULL,                     /* add_headers */
1224     NULL,                     /* remove_headers */
1225     NULL,                     /* return_path */
1226     NULL,                     /* debug_string */
1227     NULL,                     /* message_size_limit */
1228     NULL,                     /* headers_rewrite */
1229     NULL,                     /* rewrite_rules */
1230     0,                        /* rewrite_existflags */
1231     300,                      /* filter_timeout */
1232     FALSE,                    /* body_only */
1233     FALSE,                    /* delivery_date_add */
1234     FALSE,                    /* envelope_to_add */
1235     FALSE,                    /* headers_only */
1236     FALSE,                    /* rcpt_include_affixes */
1237     FALSE,                    /* return_path_add */
1238     FALSE,                    /* return_output */
1239     FALSE,                    /* return_fail_output */
1240     FALSE,                    /* log_output */
1241     FALSE,                    /* log_fail_output */
1242     FALSE,                    /* log_defer_output */
1243     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1244                                  1 nor 0 so can detect unset */
1245 };
1246
1247 int     transport_count;
1248 uschar **transport_filter_argv  = NULL;
1249 int     transport_filter_timeout;
1250 BOOL    transport_filter_timed_out = FALSE;
1251 int     transport_write_timeout= 0;
1252
1253 tree_node  *tree_dns_fails     = NULL;
1254 tree_node  *tree_duplicates    = NULL;
1255 tree_node  *tree_nonrecipients = NULL;
1256 tree_node  *tree_unusable      = NULL;
1257
1258 BOOL    trusted_caller         = FALSE;
1259 BOOL    trusted_config         = TRUE;
1260 gid_t  *trusted_groups         = NULL;
1261 uid_t  *trusted_users          = NULL;
1262 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1263
1264 uschar *unknown_login          = NULL;
1265 uschar *unknown_username       = NULL;
1266 uschar *untrusted_set_sender   = NULL;
1267
1268 /*  A regex for matching a "From_" line in an incoming message, in the form
1269
1270     From ph10 Fri Jan  5 12:35 GMT 1996
1271
1272 which  the "mail" commands send to the MTA (undocumented, of course), or in
1273 the  form
1274
1275     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1276
1277 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1278 Because  of variations in time formats, just match up to the minutes. That
1279 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1280 so  just require one digit for hours and minutes. The weekday is also absent
1281 in  some forms. */
1282
1283 uschar *uucp_from_pattern      = US
1284    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1285    "(?:"                                          /* Non-extracting bracket */
1286    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1287    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1288    ")"                                            /* End alternation */
1289    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1290
1291 uschar *uucp_from_sender       = US"$1";
1292
1293 uschar *warn_message_file      = NULL;
1294 uschar *warnmsg_delay          = NULL;
1295 uschar *warnmsg_recipients     = NULL;
1296 BOOL    write_rejectlog        = TRUE;
1297
1298 uschar *version_copyright      = US"Copyright (c) University of Cambridge, 1995 - 2007";
1299 uschar *version_date           = US"?";
1300 uschar *version_cnumber        = US"????";
1301 uschar *version_string         = US"?";
1302
1303 int     warning_count          = 0;
1304
1305 /*  End of globals.c */