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 /* 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   { "client_condition", opt_stringptr | opt_public,
  36                  (void *)(offsetof(auth_instance, client_condition)) },
  37   { "driver",        opt_stringptr | opt_public,
  38                  (void *)(offsetof(auth_instance, driver_name)) },
  39   { "public_name",   opt_stringptr | opt_public,
  40                  (void *)(offsetof(auth_instance, public_name)) },
  41   { "server_advertise_condition", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, advertise_condition))},
  43   { "server_condition", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, server_condition)) },
  45   { "server_debug_print", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, server_debug_string)) },
  47   { "server_mail_auth_condition", opt_stringptr | opt_public,
  48                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  49   { "server_set_id", opt_stringptr | opt_public,
  50                  (void *)(offsetof(auth_instance, set_id)) }
  51 };
  52
  53 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  54
  55 /* An empty host aliases list. */
  56
  57 uschar *no_aliases             = NULL;
  58
  59
  60 /* For comments on these variables, see globals.h. I'm too idle to
  61 duplicate them here... */
  62
  63 #ifdef EXIM_PERL
  64 uschar *opt_perl_startup       = NULL;
  65 BOOL    opt_perl_at_start      = FALSE;
  66 BOOL    opt_perl_started       = FALSE;
  67 #endif
  68
  69 #ifdef EXPAND_DLFUNC
  70 tree_node *dlobj_anchor        = NULL;
  71 #endif
  72
  73 #ifdef LOOKUP_IBASE
  74 uschar *ibase_servers          = NULL;
  75 #endif
  76
  77 #ifdef LOOKUP_LDAP
  78 uschar *eldap_default_servers  = NULL;
  79 int     eldap_version          = -1;
  80 #endif
  81
  82 #ifdef LOOKUP_MYSQL
  83 uschar *mysql_servers          = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_ORACLE
  87 uschar *oracle_servers         = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_PGSQL
  91 uschar *pgsql_servers          = NULL;
  92 #endif
  93
  94 #ifdef LOOKUP_SQLITE
  95 int     sqlite_lock_timeout    = 5;
  96 #endif
  97
  98 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  99 BOOL    move_frozen_messages   = FALSE;
 100 #endif
 101
 102 /* These variables are outside the #ifdef because it keeps the code less
 103 cluttered in several places (e.g. during logging) if we can always refer to
 104 them. Also, the tls_ variables are now always visible. */
 105
 106 BOOL    tls_active             = -1;
 107 BOOL    tls_certificate_verified = FALSE;
 108 uschar *tls_cipher             = NULL;
 109 BOOL    tls_on_connect         = FALSE;
 110 uschar *tls_on_connect_ports   = NULL;
 111 uschar *tls_peerdn             = NULL;
 112
 113 #ifdef SUPPORT_TLS
 114 BOOL    gnutls_compat_mode     = FALSE;
 115 uschar *gnutls_require_mac     = NULL;
 116 uschar *gnutls_require_kx      = NULL;
 117 uschar *gnutls_require_proto   = NULL;
 118 uschar *openssl_options        = NULL;
 119 const pcre *regex_STARTTLS     = NULL;
 120 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 121 uschar *tls_certificate        = NULL;
 122 uschar *tls_crl                = NULL;
 123 uschar *tls_dhparam            = NULL;
 124 BOOL    tls_offered            = FALSE;
 125 uschar *tls_privatekey         = NULL;
 126 BOOL    tls_remember_esmtp     = FALSE;
 127 uschar *tls_require_ciphers    = NULL;
 128 uschar *tls_try_verify_hosts   = NULL;
 129 uschar *tls_verify_certificates= NULL;
 130 uschar *tls_verify_hosts       = NULL;
 131 #endif
 132
 133
 134 /* Input-reading functions for messages, so we can use special ones for
 135 incoming TCP/IP. The defaults use stdin. We never need these for any
 136 stand-alone tests. */
 137
 138 #ifndef STAND_ALONE
 139 int (*receive_getc)(void)      = stdin_getc;
 140 int (*receive_ungetc)(int)     = stdin_ungetc;
 141 int (*receive_feof)(void)      = stdin_feof;
 142 int (*receive_ferror)(void)    = stdin_ferror;
 143 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 144 #endif
 145
 146
 147 /* List of per-address expansion variables for clearing and saving/restoring
 148 when verifying one address while routing/verifying another. We have to have
 149 the size explicit, because it is referenced from more than one module. */
 150
 151 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 152   &deliver_address_data,
 153   &deliver_domain,
 154   &deliver_domain_data,
 155   &deliver_domain_orig,
 156   &deliver_domain_parent,
 157   &deliver_localpart,
 158   &deliver_localpart_data,
 159   &deliver_localpart_orig,
 160   &deliver_localpart_parent,
 161   &deliver_localpart_prefix,
 162   &deliver_localpart_suffix,
 163   (uschar **)(&deliver_recipients),
 164   &deliver_host,
 165   &deliver_home,
 166   &address_file,
 167   &address_pipe,
 168   &self_hostname,
 169   NULL };
 170
 171 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 172
 173 /* General global variables */
 174
 175 header_line *acl_added_headers = NULL;
 176 tree_node *acl_anchor          = NULL;
 177
 178 uschar *acl_not_smtp           = NULL;
 179 #ifdef WITH_CONTENT_SCAN
 180 uschar *acl_not_smtp_mime      = NULL;
 181 #endif
 182 uschar *acl_not_smtp_start     = NULL;
 183
 184 uschar *acl_smtp_auth          = NULL;
 185 uschar *acl_smtp_connect       = NULL;
 186 uschar *acl_smtp_data          = NULL;
 187 #ifndef DISABLE_DKIM
 188 uschar *acl_smtp_dkim          = NULL;
 189 #endif
 190 uschar *acl_smtp_etrn          = NULL;
 191 uschar *acl_smtp_expn          = NULL;
 192 uschar *acl_smtp_helo          = NULL;
 193 uschar *acl_smtp_mail          = NULL;
 194 uschar *acl_smtp_mailauth      = NULL;
 195 #ifdef WITH_CONTENT_SCAN
 196 uschar *acl_smtp_mime          = NULL;
 197 #endif
 198 uschar *acl_smtp_notquit       = NULL;
 199 uschar *acl_smtp_predata       = NULL;
 200 uschar *acl_smtp_quit          = NULL;
 201 uschar *acl_smtp_rcpt          = NULL;
 202 uschar *acl_smtp_starttls      = NULL;
 203 uschar *acl_smtp_vrfy          = NULL;
 204
 205 BOOL    acl_temp_details       = FALSE;
 206 tree_node *acl_var_c           = NULL;
 207 tree_node *acl_var_m           = NULL;
 208 uschar *acl_verify_message     = NULL;
 209 string_item *acl_warn_logged   = NULL;
 210
 211 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 212 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 213
 214 uschar *acl_wherenames[]       = { US"RCPT",
 215                                    US"MAIL",
 216                                    US"PREDATA",
 217                                    US"MIME",
 218                                    US"DKIM",
 219                                    US"DATA",
 220                                    US"non-SMTP",
 221                                    US"AUTH",
 222                                    US"connection",
 223                                    US"ETRN",
 224                                    US"EXPN",
 225                                    US"EHLO or HELO",
 226                                    US"MAILAUTH",
 227                                    US"non-SMTP-start",
 228                                    US"NOTQUIT",
 229                                    US"QUIT",
 230                                    US"STARTTLS",
 231                                    US"VRFY"
 232                                  };
 233
 234 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 235                                    US"550",     /* MAIL */
 236                                    US"550",     /* PREDATA */
 237                                    US"550",     /* MIME */
 238                                    US"550",     /* DKIM */
 239                                    US"550",     /* DATA */
 240                                    US"0",       /* not SMTP; not relevant */
 241                                    US"503",     /* AUTH */
 242                                    US"550",     /* connect */
 243                                    US"458",     /* ETRN */
 244                                    US"550",     /* EXPN */
 245                                    US"550",     /* HELO/EHLO */
 246                                    US"0",       /* MAILAUTH; not relevant */
 247                                    US"0",       /* not SMTP; not relevant */
 248                                    US"0",       /* NOTQUIT; not relevant */
 249                                    US"0",       /* QUIT; not relevant */
 250                                    US"550",     /* STARTTLS */
 251                                    US"252"      /* VRFY */
 252                                  };
 253
 254 BOOL    active_local_from_check = FALSE;
 255 BOOL    active_local_sender_retain = FALSE;
 256 BOOL    accept_8bitmime        = FALSE;
 257 address_item  *addr_duplicate  = NULL;
 258
 259 address_item address_defaults = {
 260   NULL,                 /* next */
 261   NULL,                 /* parent */
 262   NULL,                 /* first */
 263   NULL,                 /* dupof */
 264   NULL,                 /* start_router */
 265   NULL,                 /* router */
 266   NULL,                 /* transport */
 267   NULL,                 /* host_list */
 268   NULL,                 /* host_used */
 269   NULL,                 /* fallback_hosts */
 270   NULL,                 /* reply */
 271   NULL,                 /* retries */
 272   NULL,                 /* address */
 273   NULL,                 /* unique */
 274   NULL,                 /* cc_local_part */
 275   NULL,                 /* lc_local_part */
 276   NULL,                 /* local_part */
 277   NULL,                 /* prefix */
 278   NULL,                 /* suffix */
 279   NULL,                 /* domain */
 280   NULL,                 /* address_retry_key */
 281   NULL,                 /* domain_retry_key */
 282   NULL,                 /* current_dir */
 283   NULL,                 /* home_dir */
 284   NULL,                 /* message */
 285   NULL,                 /* user_message */
 286   NULL,                 /* onetime_parent */
 287   NULL,                 /* pipe_expandn */
 288   NULL,                 /* return_filename */
 289   NULL,                 /* self_hostname */
 290   NULL,                 /* shadow_message */
 291   #ifdef SUPPORT_TLS
 292   NULL,                 /* cipher */
 293   NULL,                 /* peerdn */
 294   #endif
 295   (uid_t)(-1),          /* uid */
 296   (gid_t)(-1),          /* gid */
 297   0,                    /* flags */
 298   { 0 },                /* domain_cache - any larger array should be zeroed */
 299   { 0 },                /* localpart_cache - ditto */
 300   -1,                   /* mode */
 301   0,                    /* more_errno */
 302   ERRNO_UNKNOWNERROR,   /* basic_errno */
 303   0,                    /* child_count */
 304   -1,                   /* return_file */
 305   SPECIAL_NONE,         /* special_action */
 306   DEFER,                /* transport_return */
 307   {                     /* fields that are propagated to children */
 308     NULL,               /* address_data */
 309     NULL,               /* domain_data */
 310     NULL,               /* localpart_data */
 311     NULL,               /* errors_address */
 312     NULL,               /* extra_headers */
 313     NULL,               /* remove_headers */
 314 #ifdef EXPERIMENTAL_SRS
 315     NULL,               /* srs_sender */
 316 #endif
 317   }
 318 };
 319
 320 uschar *address_file           = NULL;
 321 uschar *address_pipe           = NULL;
 322 BOOL    address_test_mode      = FALSE;
 323 tree_node *addresslist_anchor  = NULL;
 324 int     addresslist_count      = 0;
 325 gid_t  *admin_groups           = NULL;
 326 BOOL    admin_user             = FALSE;
 327 BOOL    allow_auth_unadvertised= FALSE;
 328 BOOL    allow_domain_literals  = FALSE;
 329 BOOL    allow_mx_to_ip         = FALSE;
 330 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 331 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 332 BOOL    allow_utf8_domains     = FALSE;
 333 uschar *authenticated_id       = NULL;
 334 uschar *authenticated_sender   = NULL;
 335 BOOL    authentication_failed  = FALSE;
 336 auth_instance  *auths          = NULL;
 337 uschar *auth_advertise_hosts   = US"*";
 338 auth_instance auth_defaults    = {
 339     NULL,                      /* chain pointer */
 340     NULL,                      /* name */
 341     NULL,                      /* info */
 342     NULL,                      /* private options block pointer */
 343     NULL,                      /* driver_name */
 344     NULL,                      /* advertise_condition */
 345     NULL,                      /* client_condition */
 346     NULL,                      /* public_name */
 347     NULL,                      /* set_id */
 348     NULL,                      /* server_mail_auth_condition */
 349     NULL,                      /* server_debug_string */
 350     NULL,                      /* server_condition */
 351     FALSE,                     /* client */
 352     FALSE,                     /* server */
 353     FALSE                      /* advertised */
 354 };
 355
 356 uschar *auth_defer_msg         = US"reason not recorded";
 357 uschar *auth_defer_user_msg    = US"";
 358 uschar *auth_vars[AUTH_VARS];
 359 int     auto_thaw              = 0;
 360 #ifdef WITH_CONTENT_SCAN
 361 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 362 #endif
 363
 364 BOOL    background_daemon      = TRUE;
 365
 366 #if BASE_62 == 62
 367 uschar *base62_chars=
 368     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 369 #else
 370 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 371 #endif
 372
 373 uschar *bi_command             = NULL;
 374 uschar *big_buffer             = NULL;
 375 int     big_buffer_size        = BIG_BUFFER_SIZE;
 376 #ifdef EXPERIMENTAL_BRIGHTMAIL
 377 uschar *bmi_alt_location       = NULL;
 378 uschar *bmi_base64_tracker_verdict = NULL;
 379 uschar *bmi_base64_verdict     = NULL;
 380 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 381 int     bmi_deliver            = 1;
 382 int     bmi_run                = 0;
 383 uschar *bmi_verdicts           = NULL;
 384 #endif
 385 int     body_linecount         = 0;
 386 int     body_zerocount         = 0;
 387 uschar *bounce_message_file    = NULL;
 388 uschar *bounce_message_text    = NULL;
 389 uschar *bounce_recipient       = NULL;
 390 BOOL    bounce_return_body     = TRUE;
 391 BOOL    bounce_return_message  = TRUE;
 392 int     bounce_return_size_limit = 100*1024;
 393 uschar *bounce_sender_authentication = NULL;
 394 int     bsmtp_transaction_linecount = 0;
 395
 396 int     callout_cache_domain_positive_expire = 7*24*60*60;
 397 int     callout_cache_domain_negative_expire = 3*60*60;
 398 int     callout_cache_positive_expire = 24*60*60;
 399 int     callout_cache_negative_expire = 2*60*60;
 400 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 401 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 402 int     check_log_inodes       = 0;
 403 int     check_log_space        = 0;
 404 BOOL    check_rfc2047_length   = TRUE;
 405 int     check_spool_inodes     = 0;
 406 int     check_spool_space      = 0;
 407 int     clmacro_count          = 0;
 408 uschar *clmacros[MAX_CLMACROS];
 409 BOOL    config_changed         = FALSE;
 410 FILE   *config_file            = NULL;
 411 uschar *config_filename        = NULL;
 412 int     config_lineno          = 0;
 413 #ifdef CONFIGURE_GROUP
 414 gid_t   config_gid             = CONFIGURE_GROUP;
 415 #endif
 416 uschar *config_main_filelist   = US CONFIGURE_FILE
 417                          "\0<-----------Space to patch configure_filename->";
 418 uschar *config_main_filename   = NULL;
 419
 420 #ifdef CONFIGURE_OWNER
 421 uid_t   config_uid             = CONFIGURE_OWNER;
 422 #endif
 423
 424 int     connection_max_messages= -1;
 425 uschar *continue_hostname      = NULL;
 426 uschar *continue_host_address  = NULL;
 427 BOOL    continue_more          = FALSE;
 428 int     continue_sequence      = 1;
 429 uschar *continue_transport     = NULL;
 430
 431 uschar *csa_status             = NULL;
 432
 433 BOOL    daemon_listen          = FALSE;
 434 uschar *daemon_smtp_port       = US"smtp";
 435 int     daemon_startup_retries = 9;
 436 int     daemon_startup_sleep   = 30;
 437
 438 #ifdef EXPERIMENTAL_DCC
 439 BOOL    dcc_direct_add_header  = FALSE;
 440 uschar *dcc_header             = NULL;
 441 uschar *dcc_result             = NULL;
 442 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 443 uschar *dccifd_options         = US"header";
 444 #endif
 445
 446 BOOL    debug_daemon           = FALSE;
 447 int     debug_fd               = -1;
 448 FILE   *debug_file             = NULL;
 449 bit_table debug_options[]      = {
 450   { US"acl",            D_acl },
 451   { US"all",            D_all },
 452   { US"auth",           D_auth },
 453   { US"deliver",        D_deliver },
 454   { US"dns",            D_dns },
 455   { US"dnsbl",          D_dnsbl },
 456   { US"exec",           D_exec },
 457   { US"expand",         D_expand },
 458   { US"filter",         D_filter },
 459   { US"hints_lookup",   D_hints_lookup },
 460   { US"host_lookup",    D_host_lookup },
 461   { US"ident",          D_ident },
 462   { US"interface",      D_interface },
 463   { US"lists",          D_lists },
 464   { US"load",           D_load },
 465   { US"local_scan",     D_local_scan },
 466   { US"lookup",         D_lookup },
 467   { US"memory",         D_memory },
 468   { US"pid",            D_pid },
 469   { US"process_info",   D_process_info },
 470   { US"queue_run",      D_queue_run },
 471   { US"receive",        D_receive },
 472   { US"resolver",       D_resolver },
 473   { US"retry",          D_retry },
 474   { US"rewrite",        D_rewrite },
 475   { US"route",          D_route },
 476   { US"timestamp",      D_timestamp },
 477   { US"tls",            D_tls },
 478   { US"transport",      D_transport },
 479   { US"uid",            D_uid },
 480   { US"verify",         D_verify }
 481 };
 482 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 483 unsigned int debug_selector    = 0;
 484 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 485 uschar *delay_warning_condition=
 486   US"${if or {"
 487             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 488             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 489             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 490             "} {no}{yes}}";
 491 BOOL    delivery_date_remove   = TRUE;
 492 uschar *deliver_address_data   = NULL;
 493 int     deliver_datafile       = -1;
 494 uschar *deliver_domain         = NULL;
 495 uschar *deliver_domain_data    = NULL;
 496 uschar *deliver_domain_orig    = NULL;
 497 uschar *deliver_domain_parent  = NULL;
 498 BOOL    deliver_drop_privilege = FALSE;
 499 BOOL    deliver_firsttime      = FALSE;
 500 BOOL    deliver_force          = FALSE;
 501 BOOL    deliver_freeze         = FALSE;
 502 int     deliver_frozen_at      = 0;
 503 uschar *deliver_home           = NULL;
 504 uschar *deliver_host           = NULL;
 505 uschar *deliver_host_address   = NULL;
 506 uschar *deliver_in_buffer      = NULL;
 507 ino_t   deliver_inode          = 0;
 508 uschar *deliver_localpart      = NULL;
 509 uschar *deliver_localpart_data = NULL;
 510 uschar *deliver_localpart_orig = NULL;
 511 uschar *deliver_localpart_parent = NULL;
 512 uschar *deliver_localpart_prefix = NULL;
 513 uschar *deliver_localpart_suffix = NULL;
 514 BOOL    deliver_force_thaw     = FALSE;
 515 BOOL    deliver_manual_thaw    = FALSE;
 516 uschar *deliver_out_buffer     = NULL;
 517 int     deliver_queue_load_max = -1;
 518 address_item  *deliver_recipients = NULL;
 519 uschar *deliver_selectstring   = NULL;
 520 BOOL    deliver_selectstring_regex = FALSE;
 521 uschar *deliver_selectstring_sender = NULL;
 522 BOOL    deliver_selectstring_sender_regex = FALSE;
 523 #ifdef WITH_OLD_DEMIME
 524 int     demime_errorlevel      = 0;
 525 int     demime_ok              = 0;
 526 uschar *demime_reason          = NULL;
 527 #endif
 528 BOOL    disable_callout_flush  = FALSE;
 529 BOOL    disable_delay_flush    = FALSE;
 530 #ifdef ENABLE_DISABLE_FSYNC
 531 BOOL    disable_fsync          = FALSE;
 532 #endif
 533 BOOL    disable_ipv6           = FALSE;
 534 BOOL    disable_logging        = FALSE;
 535
 536 #ifndef DISABLE_DKIM
 537 uschar *dkim_cur_signer          = NULL;
 538 uschar *dkim_signers             = NULL;
 539 uschar *dkim_signing_domain      = NULL;
 540 uschar *dkim_signing_selector    = NULL;
 541 uschar *dkim_verify_signers      = US"$dkim_signers";
 542 BOOL    dkim_collect_input       = FALSE;
 543 BOOL    dkim_disable_verify      = FALSE;
 544 #endif
 545
 546 uschar *dns_again_means_nonexist = NULL;
 547 int     dns_csa_search_limit   = 5;
 548 BOOL    dns_csa_use_reverse    = TRUE;
 549 uschar *dns_ipv4_lookup        = NULL;
 550 int     dns_retrans            = 0;
 551 int     dns_retry              = 0;
 552 uschar *dnslist_domain         = NULL;
 553 uschar *dnslist_matched        = NULL;
 554 uschar *dnslist_text           = NULL;
 555 uschar *dnslist_value          = NULL;
 556 tree_node *domainlist_anchor   = NULL;
 557 int     domainlist_count       = 0;
 558 BOOL    dont_deliver           = FALSE;
 559 BOOL    dot_ends               = TRUE;
 560 BOOL    drop_cr                = FALSE;         /* No longer used */
 561 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 562
 563 BOOL    enable_dollar_recipients = FALSE;
 564 BOOL    envelope_to_remove     = TRUE;
 565 int     errno_quota            = ERRNO_QUOTA;
 566 uschar *errors_copy            = NULL;
 567 int     error_handling         = ERRORS_SENDER;
 568 uschar *errors_reply_to        = NULL;
 569 int     errors_sender_rc       = EXIT_FAILURE;
 570
 571 gid_t   exim_gid               = EXIM_GID;
 572 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 573 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 574                         "\0<---------------Space to patch exim_path->";
 575 uid_t   exim_uid               = EXIM_UID;
 576 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 577 int     expand_forbid          = 0;
 578 int     expand_nlength[EXPAND_MAXN+1];
 579 int     expand_nmax            = -1;
 580 uschar *expand_nstring[EXPAND_MAXN+1];
 581 BOOL    expand_string_forcedfail = FALSE;
 582 uschar *expand_string_message;
 583 BOOL    extract_addresses_remove_arguments = TRUE;
 584 uschar *extra_local_interfaces = NULL;
 585
 586 int     fake_response          = OK;
 587 uschar *fake_response_text     = US"Your message has been rejected but is "
 588                                    "being kept for evaluation.\nIf it was a "
 589                                    "legitimate message, it may still be "
 590                                    "delivered to the target recipient(s).";
 591 int     filter_n[FILTER_VARIABLE_COUNT];
 592 BOOL    filter_running         = FALSE;
 593 int     filter_sn[FILTER_VARIABLE_COUNT];
 594 int     filter_test            = FTEST_NONE;
 595 uschar *filter_test_sfile      = NULL;
 596 uschar *filter_test_ufile      = NULL;
 597 uschar *filter_thisaddress     = NULL;
 598 int     finduser_retries       = 0;
 599 #ifdef WITH_OLD_DEMIME
 600 uschar *found_extension        = NULL;
 601 #endif
 602 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 603 uschar *freeze_tell            = NULL;
 604 uschar *freeze_tell_config     = NULL;
 605 uschar *fudged_queue_times     = US"";
 606
 607 uschar *gecos_name             = NULL;
 608 uschar *gecos_pattern          = NULL;
 609 rewrite_rule  *global_rewrite_rules = NULL;
 610
 611 uschar *headers_charset        = US HEADERS_CHARSET;
 612 int     header_insert_maxlen   = 64 * 1024;
 613 header_line  *header_last      = NULL;
 614 header_line  *header_list      = NULL;
 615 int     header_maxsize         = HEADER_MAXSIZE;
 616 int     header_line_maxsize    = 0;
 617
 618 header_name header_names[] = {
 619   { US"bcc",            3, TRUE,  htype_bcc },
 620   { US"cc",             2, TRUE,  htype_cc },
 621   { US"date",           4, TRUE,  htype_date },
 622   { US"delivery-date", 13, FALSE, htype_delivery_date },
 623   { US"envelope-to",   11, FALSE, htype_envelope_to },
 624   { US"from",           4, TRUE,  htype_from },
 625   { US"message-id",    10, TRUE,  htype_id },
 626   { US"received",       8, FALSE, htype_received },
 627   { US"reply-to",       8, FALSE, htype_reply_to },
 628   { US"return-path",   11, FALSE, htype_return_path },
 629   { US"sender",         6, TRUE,  htype_sender },
 630   { US"subject",        7, FALSE, htype_subject },
 631   { US"to",             2, TRUE,  htype_to }
 632 };
 633
 634 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 635
 636 BOOL    header_rewritten       = FALSE;
 637 uschar *helo_accept_junk_hosts = NULL;
 638 uschar *helo_allow_chars       = US"";
 639 uschar *helo_lookup_domains    = US"@ : @[]";
 640 uschar *helo_try_verify_hosts  = NULL;
 641 BOOL    helo_verified          = FALSE;
 642 BOOL    helo_verify_failed     = FALSE;
 643 uschar *helo_verify_hosts      = NULL;
 644 uschar *hex_digits             = US"0123456789abcdef";
 645 uschar *hold_domains           = NULL;
 646 BOOL    host_checking          = FALSE;
 647 BOOL    host_checking_callout  = FALSE;
 648 uschar *host_data              = NULL;
 649 BOOL    host_find_failed_syntax= FALSE;
 650 uschar *host_lookup            = NULL;
 651 BOOL    host_lookup_deferred   = FALSE;
 652 BOOL    host_lookup_failed     = FALSE;
 653 uschar *host_lookup_order      = US"bydns:byaddr";
 654 uschar *host_lookup_msg        = US"";
 655 int     host_number            = 0;
 656 uschar *host_number_string     = NULL;
 657 uschar *host_reject_connection = NULL;
 658 tree_node *hostlist_anchor     = NULL;
 659 int     hostlist_count         = 0;
 660 uschar *hosts_treat_as_local   = NULL;
 661 uschar *hosts_connection_nolog = NULL;
 662
 663 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 664 BOOL    ignore_fromline_local  = FALSE;
 665 uschar *ignore_fromline_hosts  = NULL;
 666 uschar *interface_address      = NULL;
 667 int     interface_port         = -1;
 668 BOOL    is_inetd               = FALSE;
 669 uschar *iterate_item           = NULL;
 670
 671 int     journal_fd             = -1;
 672
 673 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 674
 675 uschar *eldap_dn               = NULL;
 676 int     load_average           = -2;
 677 BOOL    local_error_message    = FALSE;
 678 BOOL    local_from_check       = TRUE;
 679 uschar *local_from_prefix      = NULL;
 680 uschar *local_from_suffix      = NULL;
 681
 682 #if HAVE_IPV6
 683 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 684 #else
 685 uschar *local_interfaces       = US"0.0.0.0";
 686 #endif
 687
 688 uschar *local_scan_data        = NULL;
 689 int     local_scan_timeout     = 5*60;
 690 BOOL    local_sender_retain    = FALSE;
 691 gid_t   local_user_gid         = (gid_t)(-1);
 692 uid_t   local_user_uid         = (uid_t)(-1);
 693
 694 tree_node *localpartlist_anchor= NULL;
 695 int     localpartlist_count    = 0;
 696 uschar *log_buffer             = NULL;
 697 unsigned int log_extra_selector = LX_default;
 698 uschar *log_file_path          = US LOG_FILE_PATH
 699                            "\0<--------------Space to patch log_file_path->";
 700
 701 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 702 are the ones that get put into log_write_selector. They can be used in calls to
 703 log_write() to test for the bit. The options with LX_xxx identifiers have
 704 values greater than 0x80000000 and are put int log_extra_selector (without the
 705 top bit). They are never used in calls to log_write(), but are tested
 706 independently. This separation became necessary when the number of log
 707 selectors was getting close to filling a 32-bit word. */
 708
 709 /* Note that this list must be in alphabetical order. */
 710
 711 bit_table log_options[]        = {
 712   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 713   { US"address_rewrite",              L_address_rewrite },
 714   { US"all",                          L_all },
 715   { US"all_parents",                  L_all_parents },
 716   { US"arguments",                    LX_arguments },
 717   { US"connection_reject",            L_connection_reject },
 718   { US"delay_delivery",               L_delay_delivery },
 719   { US"deliver_time",                 LX_deliver_time },
 720   { US"delivery_size",                LX_delivery_size },
 721   { US"dnslist_defer",                L_dnslist_defer },
 722   { US"etrn",                         L_etrn },
 723   { US"host_lookup_failed",           L_host_lookup_failed },
 724   { US"ident_timeout",                LX_ident_timeout },
 725   { US"incoming_interface",           LX_incoming_interface },
 726   { US"incoming_port",                LX_incoming_port },
 727   { US"lost_incoming_connection",     L_lost_incoming_connection },
 728   { US"outgoing_port",                LX_outgoing_port },
 729   { US"pid",                          LX_pid },
 730   { US"queue_run",                    L_queue_run },
 731   { US"queue_time",                   LX_queue_time },
 732   { US"queue_time_overall",           LX_queue_time_overall },
 733   { US"received_recipients",          LX_received_recipients },
 734   { US"received_sender",              LX_received_sender },
 735   { US"rejected_header",              LX_rejected_header },
 736   { US"rejected_headers",             LX_rejected_header },
 737   { US"retry_defer",                  L_retry_defer },
 738   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 739   { US"sender_on_delivery",           LX_sender_on_delivery },
 740   { US"sender_verify_fail",           LX_sender_verify_fail },
 741   { US"size_reject",                  L_size_reject },
 742   { US"skip_delivery",                L_skip_delivery },
 743   { US"smtp_confirmation",            LX_smtp_confirmation },
 744   { US"smtp_connection",              L_smtp_connection },
 745   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 746   { US"smtp_no_mail",                 LX_smtp_no_mail },
 747   { US"smtp_protocol_error",          L_smtp_protocol_error },
 748   { US"smtp_syntax_error",            L_smtp_syntax_error },
 749   { US"subject",                      LX_subject },
 750   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 751   { US"tls_cipher",                   LX_tls_cipher },
 752   { US"tls_peerdn",                   LX_tls_peerdn },
 753   { US"unknown_in_list",              LX_unknown_in_list }
 754 };
 755
 756 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 757 int     log_reject_target      = 0;
 758 uschar *log_selector_string    = NULL;
 759 FILE   *log_stderr             = NULL;
 760 BOOL    log_testing_mode       = FALSE;
 761 BOOL    log_timezone           = FALSE;
 762 unsigned int log_write_selector= L_default;
 763 uschar *login_sender_address   = NULL;
 764 int     lookup_open_max        = 25;
 765 uschar *lookup_value           = NULL;
 766
 767 macro_item  *macros            = NULL;
 768 uschar *mailstore_basename     = NULL;
 769 #ifdef WITH_CONTENT_SCAN
 770 uschar *malware_name           = NULL;  /* Virus Name */
 771 #endif
 772 int     max_received_linelength= 0;
 773 int     max_username_length    = 0;
 774 int     message_age            = 0;
 775 uschar *message_body           = NULL;
 776 uschar *message_body_end       = NULL;
 777 BOOL    message_body_newlines  = FALSE;
 778 int     message_body_size      = 0;
 779 int     message_body_visible   = 500;
 780 int     message_ended          = END_NOTSTARTED;
 781 uschar *message_headers        = NULL;
 782 uschar *message_id;
 783 uschar *message_id_domain      = NULL;
 784 uschar *message_id_text        = NULL;
 785 struct timeval message_id_tv   = { 0, 0 };
 786 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 787 uschar *message_id_external;
 788 int     message_linecount      = 0;
 789 BOOL    message_logs           = TRUE;
 790 int     message_size           = 0;
 791 uschar *message_size_limit     = US"50M";
 792 uschar  message_subdir[2]      = { 0, 0 };
 793 uschar *message_reference      = NULL;
 794
 795 /* MIME ACL expandables */
 796 #ifdef WITH_CONTENT_SCAN
 797 int     mime_anomaly_level     = 0;
 798 uschar *mime_anomaly_text      = NULL;
 799 uschar *mime_boundary          = NULL;
 800 uschar *mime_charset           = NULL;
 801 uschar *mime_content_description = NULL;
 802 uschar *mime_content_disposition = NULL;
 803 uschar *mime_content_id        = NULL;
 804 unsigned int mime_content_size = 0;
 805 uschar *mime_content_transfer_encoding = NULL;
 806 uschar *mime_content_type      = NULL;
 807 uschar *mime_decoded_filename  = NULL;
 808 uschar *mime_filename          = NULL;
 809 int     mime_is_multipart      = 0;
 810 int     mime_is_coverletter    = 0;
 811 int     mime_is_rfc822         = 0;
 812 int     mime_part_count        = -1;
 813 #endif
 814
 815 BOOL    mua_wrapper            = FALSE;
 816
 817 uid_t  *never_users            = NULL;
 818 #ifdef WITH_CONTENT_SCAN
 819 BOOL    no_mbox_unspool        = FALSE;
 820 #endif
 821 BOOL    no_multiline_responses = FALSE;
 822
 823 uid_t   original_euid;
 824 gid_t   originator_gid;
 825 uschar *originator_login       = NULL;
 826 uschar *originator_name        = NULL;
 827 uid_t   originator_uid;
 828 uschar *override_local_interfaces = NULL;
 829 uschar *override_pid_file_path = NULL;
 830
 831 BOOL    parse_allow_group      = FALSE;
 832 BOOL    parse_found_group      = FALSE;
 833 uschar *percent_hack_domains   = NULL;
 834 uschar *pid_file_path          = US PID_FILE_PATH
 835                            "\0<--------------Space to patch pid_file_path->";
 836 BOOL    pipelining_enable      = TRUE;
 837 uschar *pipelining_advertise_hosts = US"*";
 838 BOOL    preserve_message_logs  = FALSE;
 839 uschar *primary_hostname       = NULL;
 840 BOOL    print_topbitchars      = FALSE;
 841 uschar  process_info[PROCESS_INFO_SIZE];
 842 uschar *process_log_path       = NULL;
 843 BOOL    prod_requires_admin    = TRUE;
 844 uschar *prvscheck_address      = NULL;
 845 uschar *prvscheck_keynum       = NULL;
 846 uschar *prvscheck_result       = NULL;
 847
 848
 849 uschar *qualify_domain_recipient = NULL;
 850 uschar *qualify_domain_sender  = NULL;
 851 BOOL    queue_2stage           = FALSE;
 852 uschar *queue_domains          = NULL;
 853 int     queue_interval         = -1;
 854 BOOL    queue_list_requires_admin = TRUE;
 855 BOOL    queue_only             = FALSE;
 856 uschar *queue_only_file        = NULL;
 857 int     queue_only_load        = -1;
 858 BOOL    queue_only_load_latch  = TRUE;
 859 BOOL    queue_only_override    = TRUE;
 860 BOOL    queue_only_policy      = FALSE;
 861 BOOL    queue_run_first_delivery = FALSE;
 862 BOOL    queue_run_force        = FALSE;
 863 BOOL    queue_run_in_order     = FALSE;
 864 BOOL    queue_run_local        = FALSE;
 865 int     queue_run_max          = 5;
 866 pid_t   queue_run_pid          = (pid_t)0;
 867 int     queue_run_pipe         = -1;
 868 BOOL    queue_running          = FALSE;
 869 BOOL    queue_smtp             = FALSE;
 870 uschar *queue_smtp_domains     = NULL;
 871
 872 unsigned int random_seed       = 0;
 873 tree_node *ratelimiters_cmd    = NULL;
 874 tree_node *ratelimiters_conn   = NULL;
 875 tree_node *ratelimiters_mail   = NULL;
 876 uschar *raw_active_hostname    = NULL;
 877 uschar *raw_sender             = NULL;
 878 uschar **raw_recipients        = NULL;
 879 int     raw_recipients_count   = 0;
 880
 881 int     rcpt_count             = 0;
 882 int     rcpt_fail_count        = 0;
 883 int     rcpt_defer_count       = 0;
 884 gid_t   real_gid;
 885 uid_t   real_uid;
 886 BOOL    really_exim            = TRUE;
 887 BOOL    receive_call_bombout   = FALSE;
 888 int     receive_linecount      = 0;
 889 int     receive_messagecount   = 0;
 890 int     receive_timeout        = 0;
 891 int     received_count         = 0;
 892 uschar *received_for           = NULL;
 893
 894 /*  This is the default text for Received headers generated by Exim. The
 895 date  will be automatically added on the end. */
 896
 897 uschar *received_header_text   = US
 898      "Received: "
 899      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 900      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 901      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 902      "by $primary_hostname "
 903      "${if def:received_protocol {with $received_protocol}} "
 904      #ifdef SUPPORT_TLS
 905      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 906      #endif
 907      "(Exim $version_number)\n\t"
 908      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 909      "id $message_exim_id"
 910      "${if def:received_for {\n\tfor $received_for}}"
 911      "\0<---------------Space to patch received_header_text->";
 912
 913 int     received_headers_max   = 30;
 914 uschar *received_protocol      = NULL;
 915 int     received_time          = 0;
 916 uschar *recipient_data         = NULL;
 917 uschar *recipient_unqualified_hosts = NULL;
 918 uschar *recipient_verify_failure = NULL;
 919 int     recipients_count       = 0;
 920 BOOL    recipients_discarded   = FALSE;
 921 recipient_item  *recipients_list = NULL;
 922 int     recipients_list_max    = 0;
 923 int     recipients_max         = 0;
 924 BOOL    recipients_max_reject  = FALSE;
 925 const pcre *regex_AUTH         = NULL;
 926 const pcre *regex_check_dns_names = NULL;
 927 const pcre *regex_From         = NULL;
 928 const pcre *regex_IGNOREQUOTA  = NULL;
 929 const pcre *regex_PIPELINING   = NULL;
 930 const pcre *regex_SIZE         = NULL;
 931 const pcre *regex_smtp_code    = NULL;
 932 const pcre *regex_ismsgid      = NULL;
 933 #ifdef WITH_CONTENT_SCAN
 934 uschar *regex_match_string     = NULL;
 935 #endif
 936 int     remote_delivery_count  = 0;
 937 int     remote_max_parallel    = 2;
 938 uschar *remote_sort_domains    = NULL;
 939 int     retry_data_expire      = 7*24*60*60;
 940 int     retry_interval_max     = 24*60*60;
 941 int     retry_maximum_timeout  = 0;        /* set from retry config */
 942 retry_config  *retries         = NULL;
 943 uschar *return_path            = NULL;
 944 BOOL    return_path_remove     = TRUE;
 945 int     rewrite_existflags     = 0;
 946 uschar *rfc1413_hosts          = US"*";
 947 int     rfc1413_query_timeout  = 5;
 948 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 949 uid_t   root_uid               = ROOT_UID;
 950
 951 router_instance  *routers  = NULL;
 952 router_instance  router_defaults = {
 953     NULL,                      /* chain pointer */
 954     NULL,                      /* name */
 955     NULL,                      /* info */
 956     NULL,                      /* private options block pointer */
 957     NULL,                      /* driver name */
 958
 959     NULL,                      /* address_data */
 960 #ifdef EXPERIMENTAL_BRIGHTMAIL
 961     NULL,                      /* bmi_rule */
 962 #endif
 963     NULL,                      /* cannot_route_message */
 964     NULL,                      /* condition */
 965     NULL,                      /* current_directory */
 966     NULL,                      /* debug_string */
 967     NULL,                      /* domains */
 968     NULL,                      /* errors_to */
 969     NULL,                      /* expand_gid */
 970     NULL,                      /* expand_uid */
 971     NULL,                      /* expand_more */
 972     NULL,                      /* expand_unseen */
 973     NULL,                      /* extra_headers */
 974     NULL,                      /* fallback_hosts */
 975     NULL,                      /* home_directory */
 976     NULL,                      /* ignore_target_hosts */
 977     NULL,                      /* local_parts */
 978     NULL,                      /* pass_router_name */
 979     NULL,                      /* prefix */
 980     NULL,                      /* redirect_router_name */
 981     NULL,                      /* remove_headers */
 982     NULL,                      /* require_files */
 983     NULL,                      /* router_home_directory */
 984     US"freeze",                /* self */
 985     NULL,                      /* senders */
 986     NULL,                      /* suffix */
 987     NULL,                      /* translate_ip_address */
 988     NULL,                      /* transport_name */
 989
 990     TRUE,                      /* address_test */
 991 #ifdef EXPERIMENTAL_BRIGHTMAIL
 992     FALSE,                     /* bmi_deliver_alternate */
 993     FALSE,                     /* bmi_deliver_default */
 994     FALSE,                     /* bmi_dont_deliver */
 995 #endif
 996     TRUE,                      /* expn */
 997     FALSE,                     /* caseful_local_part */
 998     FALSE,                     /* check_local_user */
 999     FALSE,                     /* disable_logging */
1000     FALSE,                     /* fail_verify_recipient */
1001     FALSE,                     /* fail_verify_sender */
1002     FALSE,                     /* gid_set */
1003     FALSE,                     /* initgroups */
1004     TRUE_UNSET,                /* log_as_local */
1005     TRUE,                      /* more */
1006     FALSE,                     /* pass_on_timeout */
1007     FALSE,                     /* prefix_optional */
1008     TRUE,                      /* repeat_use */
1009     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1010     FALSE,                     /* same_domain_copy_routing */
1011     FALSE,                     /* self_rewrite */
1012     FALSE,                     /* suffix_optional */
1013     FALSE,                     /* verify_only */
1014     TRUE,                      /* verify_recipient */
1015     TRUE,                      /* verify_sender */
1016     FALSE,                     /* uid_set */
1017     FALSE,                     /* unseen */
1018
1019     self_freeze,               /* self_code */
1020     (uid_t)(-1),               /* uid */
1021     (gid_t)(-1),               /* gid */
1022
1023     NULL,                      /* fallback_hostlist */
1024     NULL,                      /* transport instance */
1025     NULL,                      /* pass_router */
1026     NULL                       /* redirect_router */
1027 };
1028
1029 ip_address_item *running_interfaces = NULL;
1030 BOOL    running_in_test_harness = FALSE;
1031
1032 /* This is a weird one. The following string gets patched in the binary by the
1033 script that sets up a copy of Exim for running in the test harness. It seems
1034 that compilers are now clever, and share constant strings if they can.
1035 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1036 make use of the end of this string in order to save space. So the patching then
1037 wrecks this. We defeat this optimization by adding some additional characters
1038 onto the end of the string. */
1039
1040 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1041
1042 int     runrc                  = 0;
1043
1044 uschar *search_error_message   = NULL;
1045 BOOL    search_find_defer      = FALSE;
1046 uschar *self_hostname          = NULL;
1047 uschar *sender_address         = NULL;
1048 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1049 uschar *sender_address_data    = NULL;
1050 BOOL    sender_address_forced  = FALSE;
1051 uschar *sender_address_unrewritten = NULL;
1052 uschar *sender_data            = NULL;
1053 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1054 uschar *sender_fullhost        = NULL;
1055 uschar *sender_helo_name       = NULL;
1056 uschar **sender_host_aliases   = &no_aliases;
1057 uschar *sender_host_address    = NULL;
1058 uschar *sender_host_authenticated = NULL;
1059 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1060 uschar *sender_host_name       = NULL;
1061 int     sender_host_port       = 0;
1062 BOOL    sender_host_notsocket  = FALSE;
1063 BOOL    sender_host_unknown    = FALSE;
1064 uschar *sender_ident           = NULL;
1065 BOOL    sender_local           = FALSE;
1066 BOOL    sender_name_forced     = FALSE;
1067 uschar *sender_rate            = NULL;
1068 uschar *sender_rate_limit      = NULL;
1069 uschar *sender_rate_period     = NULL;
1070 uschar *sender_rcvhost         = NULL;
1071 BOOL    sender_set_untrusted   = FALSE;
1072 uschar *sender_unqualified_hosts = NULL;
1073 uschar *sender_verify_failure = NULL;
1074 address_item *sender_verified_list  = NULL;
1075 address_item *sender_verified_failed = NULL;
1076 int     sender_verified_rc     = -1;
1077 BOOL    sender_verified_responded = FALSE;
1078 uschar *sending_ip_address     = NULL;
1079 int     sending_port           = -1;
1080 volatile  BOOL sigalrm_seen    = FALSE;
1081 uschar **sighup_argv           = NULL;
1082 int     smtp_accept_count      = 0;
1083 BOOL    smtp_accept_keepalive  = TRUE;
1084 int     smtp_accept_max        = 20;
1085 int     smtp_accept_max_nonmail= 10;
1086 uschar *smtp_accept_max_nonmail_hosts = US"*";
1087 int     smtp_accept_max_per_connection = 1000;
1088 uschar *smtp_accept_max_per_host = NULL;
1089 int     smtp_accept_queue      = 0;
1090 int     smtp_accept_queue_per_connection = 10;
1091 int     smtp_accept_reserve    = 0;
1092 uschar *smtp_active_hostname   = NULL;
1093 BOOL    smtp_authenticated     = FALSE;
1094 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1095                              "Exim $version_number $tod_full"
1096                              "\0<---------------Space to patch smtp_banner->";
1097 BOOL    smtp_batched_input     = FALSE;
1098 BOOL    smtp_check_spool_space = TRUE;
1099 int     smtp_ch_index          = 0;
1100 uschar *smtp_cmd_argument      = NULL;
1101 uschar *smtp_cmd_buffer        = NULL;
1102 time_t  smtp_connection_start  = 0;
1103 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1104 int     smtp_connect_backlog   = 20;
1105 double  smtp_delay_mail        = 0.0;
1106 double  smtp_delay_rcpt        = 0.0;
1107 BOOL    smtp_enforce_sync      = TRUE;
1108 FILE   *smtp_in                = NULL;
1109 BOOL    smtp_input             = FALSE;
1110 int     smtp_load_reserve      = -1;
1111 int     smtp_mailcmd_count     = 0;
1112 FILE   *smtp_out               = NULL;
1113 uschar *smtp_etrn_command      = NULL;
1114 BOOL    smtp_etrn_serialize    = TRUE;
1115 int     smtp_max_synprot_errors= 3;
1116 int     smtp_max_unknown_commands = 3;
1117 uschar *smtp_notquit_reason    = NULL;
1118 uschar *smtp_ratelimit_hosts   = NULL;
1119 uschar *smtp_ratelimit_mail    = NULL;
1120 uschar *smtp_ratelimit_rcpt    = NULL;
1121 uschar *smtp_read_error        = US"";
1122 int     smtp_receive_timeout   = 5*60;
1123 uschar *smtp_reserve_hosts     = NULL;
1124 BOOL    smtp_return_error_details = FALSE;
1125 int     smtp_rlm_base          = 0;
1126 double  smtp_rlm_factor        = 0.0;
1127 int     smtp_rlm_limit         = 0;
1128 int     smtp_rlm_threshold     = INT_MAX;
1129 int     smtp_rlr_base          = 0;
1130 double  smtp_rlr_factor        = 0.0;
1131 int     smtp_rlr_limit         = 0;
1132 int     smtp_rlr_threshold     = INT_MAX;
1133 BOOL    smtp_use_pipelining    = FALSE;
1134 BOOL    smtp_use_size          = FALSE;
1135
1136 #ifdef WITH_CONTENT_SCAN
1137 uschar *spamd_address          = US"127.0.0.1 783";
1138 uschar *spam_bar               = NULL;
1139 uschar *spam_report            = NULL;
1140 uschar *spam_score             = NULL;
1141 uschar *spam_score_int         = NULL;
1142 #endif
1143 #ifdef EXPERIMENTAL_SPF
1144 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1145 uschar *spf_header_comment     = NULL;
1146 uschar *spf_received           = NULL;
1147 uschar *spf_result             = NULL;
1148 uschar *spf_smtp_comment       = NULL;
1149 #endif
1150
1151 BOOL    split_spool_directory  = FALSE;
1152 uschar *spool_directory        = US SPOOL_DIRECTORY
1153                            "\0<--------------Space to patch spool_directory->";
1154 #ifdef EXPERIMENTAL_SRS
1155 uschar *srs_config             = NULL;
1156 uschar *srs_db_address         = NULL;
1157 uschar *srs_db_key             = NULL;
1158 int     srs_hashlength         = 6;
1159 int     srs_hashmin            = -1;
1160 int     srs_maxage             = 31;
1161 uschar *srs_orig_recipient     = NULL;
1162 uschar *srs_orig_sender        = NULL;
1163 uschar *srs_recipient          = NULL;
1164 uschar *srs_secrets            = NULL;
1165 uschar *srs_status             = NULL;
1166 BOOL    srs_usehash            = TRUE;
1167 BOOL    srs_usetimestamp       = TRUE;
1168 #endif
1169 BOOL    strict_acl_vars        = FALSE;
1170 int     string_datestamp_offset= -1;
1171 BOOL    strip_excess_angle_brackets = FALSE;
1172 BOOL    strip_trailing_dot     = FALSE;
1173 uschar *submission_domain      = NULL;
1174 BOOL    submission_mode        = FALSE;
1175 uschar *submission_name        = NULL;
1176 BOOL    suppress_local_fixups  = FALSE;
1177 BOOL    synchronous_delivery   = FALSE;
1178 BOOL    syslog_duplication     = TRUE;
1179 int     syslog_facility        = LOG_MAIL;
1180 uschar *syslog_processname     = US"exim";
1181 BOOL    syslog_timestamp       = TRUE;
1182 uschar *system_filter          = NULL;
1183
1184 uschar *system_filter_directory_transport = NULL;
1185 uschar *system_filter_file_transport = NULL;
1186 uschar *system_filter_pipe_transport = NULL;
1187 uschar *system_filter_reply_transport = NULL;
1188
1189 gid_t   system_filter_gid      = 0;
1190 BOOL    system_filter_gid_set  = FALSE;
1191 uid_t   system_filter_uid      = 0;
1192 BOOL    system_filter_uid_set  = FALSE;
1193 BOOL    system_filtering       = FALSE;
1194
1195 BOOL    tcp_nodelay            = TRUE;
1196 #ifdef USE_TCP_WRAPPERS
1197 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1198 #endif
1199 int     test_harness_load_avg  = 0;
1200 int     thismessage_size_limit = 0;
1201 int     timeout_frozen_after   = 0;
1202 BOOL    timestamps_utc         = FALSE;
1203
1204 transport_instance  *transports = NULL;
1205
1206 transport_instance  transport_defaults = {
1207     NULL,                     /* chain pointer */
1208     NULL,                     /* name */
1209     NULL,                     /* info */
1210     NULL,                     /* private options block pointer */
1211     NULL,                     /* driver name */
1212     NULL,                     /* setup entry point */
1213     1,                        /* batch_max */
1214     NULL,                     /* batch_id */
1215     NULL,                     /* home_dir */
1216     NULL,                     /* current_dir */
1217     TRUE,                     /* multi-domain */
1218     FALSE,                    /* overrides_hosts */
1219     100,                      /* max_addresses */
1220     500,                      /* connection_max_messages */
1221     FALSE,                    /* deliver_as_creator */
1222     FALSE,                    /* disable_logging */
1223     FALSE,                    /* initgroups */
1224     FALSE,                    /* uid_set */
1225     FALSE,                    /* gid_set */
1226     (uid_t)(-1),              /* uid */
1227     (gid_t)(-1),              /* gid */
1228     NULL,                     /* expand_uid */
1229     NULL,                     /* expand_gid */
1230     NULL,                     /* warn_message */
1231     NULL,                     /* shadow */
1232     NULL,                     /* shadow_condition */
1233     NULL,                     /* filter_command */
1234     NULL,                     /* add_headers */
1235     NULL,                     /* remove_headers */
1236     NULL,                     /* return_path */
1237     NULL,                     /* debug_string */
1238     NULL,                     /* message_size_limit */
1239     NULL,                     /* headers_rewrite */
1240     NULL,                     /* rewrite_rules */
1241     0,                        /* rewrite_existflags */
1242     300,                      /* filter_timeout */
1243     FALSE,                    /* body_only */
1244     FALSE,                    /* delivery_date_add */
1245     FALSE,                    /* envelope_to_add */
1246     FALSE,                    /* headers_only */
1247     FALSE,                    /* rcpt_include_affixes */
1248     FALSE,                    /* return_path_add */
1249     FALSE,                    /* return_output */
1250     FALSE,                    /* return_fail_output */
1251     FALSE,                    /* log_output */
1252     FALSE,                    /* log_fail_output */
1253     FALSE,                    /* log_defer_output */
1254     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1255                                  1 nor 0 so can detect unset */
1256 };
1257
1258 int     transport_count;
1259 uschar **transport_filter_argv  = NULL;
1260 int     transport_filter_timeout;
1261 BOOL    transport_filter_timed_out = FALSE;
1262 int     transport_write_timeout= 0;
1263
1264 tree_node  *tree_dns_fails     = NULL;
1265 tree_node  *tree_duplicates    = NULL;
1266 tree_node  *tree_nonrecipients = NULL;
1267 tree_node  *tree_unusable      = NULL;
1268
1269 BOOL    trusted_caller         = FALSE;
1270 gid_t  *trusted_groups         = NULL;
1271 uid_t  *trusted_users          = NULL;
1272 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1273
1274 uschar *unknown_login          = NULL;
1275 uschar *unknown_username       = NULL;
1276 uschar *untrusted_set_sender   = NULL;
1277
1278 /*  A regex for matching a "From_" line in an incoming message, in the form
1279
1280     From ph10 Fri Jan  5 12:35 GMT 1996
1281
1282 which  the "mail" commands send to the MTA (undocumented, of course), or in
1283 the  form
1284
1285     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1286
1287 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1288 Because  of variations in time formats, just match up to the minutes. That
1289 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1290 so  just require one digit for hours and minutes. The weekday is also absent
1291 in  some forms. */
1292
1293 uschar *uucp_from_pattern      = US
1294    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1295    "(?:"                                          /* Non-extracting bracket */
1296    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1297    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1298    ")"                                            /* End alternation */
1299    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1300
1301 uschar *uucp_from_sender       = US"$1";
1302
1303 uschar *warn_message_file      = NULL;
1304 uschar *warnmsg_delay          = NULL;
1305 uschar *warnmsg_recipients     = NULL;
1306 BOOL    write_rejectlog        = TRUE;
1307
1308 uschar *version_copyright      = US"Copyright (c) University of Cambridge, 1995 - 2007";
1309 uschar *version_date           = US"?";
1310 uschar *version_cnumber        = US"????";
1311 uschar *version_string         = US"?";
1312
1313 int     warning_count          = 0;
1314
1315 /*  End of globals.c */