src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.57 2006/07/28 11:39:11 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2006 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* All the global variables are defined together in this one module, so
  11 that they are easy to find. */
  12
  13 #include "exim.h"
  14
  15
  16 /* The OSF1 linker puts out a worrying warning if any sections contain no
  17 executable code. It says
  18
  19 Warning: Linking some objects which contain exception information sections
  20         and some which do not. This may cause fatal runtime exception handling
  21         problems.
  22
  23 As this may cause people to worry needlessly, include a dummy function here
  24 to stop the message from appearing. Make it reference itself to stop picky
  25 compilers complaining that it is unused, and put in a dummy argument to stop
  26 even pickier compilers complaining about infinite loops. */
  27
  28 static void dummy(int x) { dummy(x-1); }
  29
  30
  31 /* Generic options for auths, all of which live inside auth_instance
  32 data blocks and hence have the opt_public flag set. */
  33
  34 optionlist optionlist_auths[] = {
  35   { "driver",        opt_stringptr | opt_public,
  36                  (void *)(offsetof(auth_instance, driver_name)) },
  37   { "public_name",   opt_stringptr | opt_public,
  38                  (void *)(offsetof(auth_instance, public_name)) },
  39   { "server_advertise_condition", opt_stringptr | opt_public,
  40                  (void *)(offsetof(auth_instance, advertise_condition))},
  41   { "server_debug_print", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, server_debug_string)) },
  43   { "server_mail_auth_condition", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  45   { "server_set_id", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, set_id)) }
  47 };
  48
  49 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  50
  51 /* An empty host aliases list. */
  52
  53 uschar *no_aliases             = NULL;
  54
  55
  56 /* For comments on these variables, see globals.h. I'm too idle to
  57 duplicate them here... */
  58
  59 #ifdef EXIM_PERL
  60 uschar *opt_perl_startup       = NULL;
  61 BOOL    opt_perl_at_start      = FALSE;
  62 BOOL    opt_perl_started       = FALSE;
  63 #endif
  64
  65 #ifdef EXPAND_DLFUNC
  66 tree_node *dlobj_anchor        = NULL;
  67 #endif
  68
  69 #ifdef LOOKUP_IBASE
  70 uschar *ibase_servers          = NULL;
  71 #endif
  72
  73 #ifdef LOOKUP_LDAP
  74 uschar *eldap_default_servers  = NULL;
  75 int     eldap_version          = -1;
  76 #endif
  77
  78 #ifdef LOOKUP_MYSQL
  79 uschar *mysql_servers          = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_ORACLE
  83 uschar *oracle_servers         = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_PGSQL
  87 uschar *pgsql_servers          = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_SQLITE
  91 int     sqlite_lock_timeout    = 5;
  92 #endif
  93
  94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  95 BOOL    move_frozen_messages   = FALSE;
  96 #endif
  97
  98 /* These variables are outside the #ifdef because it keeps the code less
  99 cluttered in several places (e.g. during logging) if we can always refer to
 100 them. Also, the tls_ variables are now always visible. */
 101
 102 BOOL    tls_active             = -1;
 103 BOOL    tls_certificate_verified = FALSE;
 104 uschar *tls_cipher             = NULL;
 105 BOOL    tls_on_connect         = FALSE;
 106 uschar *tls_on_connect_ports   = NULL;
 107 uschar *tls_peerdn             = NULL;
 108
 109 #ifdef SUPPORT_TLS
 110 const pcre *regex_STARTTLS     = NULL;
 111 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 112 uschar *tls_certificate        = NULL;
 113 uschar *tls_crl                = NULL;
 114 uschar *tls_dhparam            = NULL;
 115 BOOL    tls_offered            = FALSE;
 116 uschar *tls_privatekey         = NULL;
 117 BOOL    tls_remember_esmtp     = FALSE;
 118 uschar *tls_require_ciphers    = NULL;
 119 uschar *tls_try_verify_hosts   = NULL;
 120 uschar *tls_verify_certificates= NULL;
 121 uschar *tls_verify_hosts       = NULL;
 122 #endif
 123
 124
 125 /* Input-reading functions for messages, so we can use special ones for
 126 incoming TCP/IP. The defaults use stdin. We never need these for any
 127 stand-alone tests. */
 128
 129 #ifndef STAND_ALONE
 130 int (*receive_getc)(void)      = stdin_getc;
 131 int (*receive_ungetc)(int)     = stdin_ungetc;
 132 int (*receive_feof)(void)      = stdin_feof;
 133 int (*receive_ferror)(void)    = stdin_ferror;
 134 #endif
 135
 136
 137 /* List of per-address expansion variables for clearing and saving/restoring
 138 when verifying one address while routing/verifying another. We have to have
 139 the size explicit, because it is referenced from more than one module. */
 140
 141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 142   &deliver_address_data,
 143   &deliver_domain,
 144   &deliver_domain_data,
 145   &deliver_domain_orig,
 146   &deliver_domain_parent,
 147   &deliver_localpart,
 148   &deliver_localpart_data,
 149   &deliver_localpart_orig,
 150   &deliver_localpart_parent,
 151   &deliver_localpart_prefix,
 152   &deliver_localpart_suffix,
 153   (uschar **)(&deliver_recipients),
 154   &deliver_host,
 155   &deliver_home,
 156   &address_file,
 157   &address_pipe,
 158   &self_hostname,
 159   NULL };
 160
 161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 162
 163 /* General global variables */
 164
 165 header_line *acl_added_headers = NULL;
 166 tree_node *acl_anchor          = NULL;
 167 uschar *acl_not_smtp           = NULL;
 168 #ifdef WITH_CONTENT_SCAN
 169 uschar *acl_not_smtp_mime      = NULL;
 170 #endif
 171 uschar *acl_not_smtp_start     = NULL;
 172 uschar *acl_smtp_auth          = NULL;
 173 uschar *acl_smtp_connect       = NULL;
 174 uschar *acl_smtp_data          = NULL;
 175 uschar *acl_smtp_etrn          = NULL;
 176 uschar *acl_smtp_expn          = NULL;
 177 uschar *acl_smtp_helo          = NULL;
 178 uschar *acl_smtp_mail          = NULL;
 179 uschar *acl_smtp_mailauth      = NULL;
 180 #ifdef WITH_CONTENT_SCAN
 181 uschar *acl_smtp_mime          = NULL;
 182 #endif
 183 uschar *acl_smtp_predata       = NULL;
 184 uschar *acl_smtp_quit          = NULL;
 185 uschar *acl_smtp_rcpt          = NULL;
 186 uschar *acl_smtp_starttls      = NULL;
 187 uschar *acl_smtp_vrfy          = NULL;
 188 BOOL    acl_temp_details       = FALSE;
 189 uschar *acl_var[ACL_CVARS + ACL_MVARS];
 190 uschar *acl_verify_message     = NULL;
 191 string_item *acl_warn_logged   = NULL;
 192
 193 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 194 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 195
 196 uschar *acl_wherenames[]       = { US"RCPT",
 197                                    US"MAIL",
 198                                    US"PREDATA",
 199                                    US"MIME",
 200                                    US"DATA",
 201                                    US"non-SMTP",
 202                                    US"AUTH",
 203                                    US"connection",
 204                                    US"ETRN",
 205                                    US"EXPN",
 206                                    US"EHLO or HELO",
 207                                    US"MAILAUTH",
 208                                    US"non-SMTP-start",
 209                                    US"QUIT",
 210                                    US"STARTTLS",
 211                                    US"VRFY"
 212                                  };
 213
 214 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 215                                    US"550",     /* MAIL */
 216                                    US"550",     /* PREDATA */
 217                                    US"550",     /* MIME */
 218                                    US"550",     /* DATA */
 219                                    US"0",       /* not SMTP; not relevant */
 220                                    US"503",     /* AUTH */
 221                                    US"550",     /* connect */
 222                                    US"458",     /* ETRN */
 223                                    US"550",     /* EXPN */
 224                                    US"550",     /* HELO/EHLO */
 225                                    US"0",       /* MAILAUTH; not relevant */
 226                                    US"0",       /* not SMTP; not relevant */
 227                                    US"0",       /* QUIT; not relevant */
 228                                    US"550",     /* STARTTLS */
 229                                    US"252"      /* VRFY */
 230                                  };
 231
 232 BOOL    active_local_from_check = FALSE;
 233 BOOL    active_local_sender_retain = FALSE;
 234 BOOL    accept_8bitmime        = FALSE;
 235 address_item  *addr_duplicate  = NULL;
 236
 237 address_item address_defaults = {
 238   NULL,                 /* next */
 239   NULL,                 /* parent */
 240   NULL,                 /* first */
 241   NULL,                 /* dupof */
 242   NULL,                 /* start_router */
 243   NULL,                 /* router */
 244   NULL,                 /* transport */
 245   NULL,                 /* host_list */
 246   NULL,                 /* host_used */
 247   NULL,                 /* fallback_hosts */
 248   NULL,                 /* reply */
 249   NULL,                 /* retries */
 250   NULL,                 /* address */
 251   NULL,                 /* unique */
 252   NULL,                 /* cc_local_part */
 253   NULL,                 /* lc_local_part */
 254   NULL,                 /* local_part */
 255   NULL,                 /* prefix */
 256   NULL,                 /* suffix */
 257   NULL,                 /* domain */
 258   NULL,                 /* address_retry_key */
 259   NULL,                 /* domain_retry_key */
 260   NULL,                 /* current_dir */
 261   NULL,                 /* home_dir */
 262   NULL,                 /* message */
 263   NULL,                 /* user_message */
 264   NULL,                 /* onetime_parent */
 265   NULL,                 /* pipe_expandn */
 266   NULL,                 /* return_filename */
 267   NULL,                 /* self_hostname */
 268   NULL,                 /* shadow_message */
 269   #ifdef SUPPORT_TLS
 270   NULL,                 /* cipher */
 271   NULL,                 /* peerdn */
 272   #endif
 273   (uid_t)(-1),          /* uid */
 274   (gid_t)(-1),          /* gid */
 275   0,                    /* flags */
 276   { 0 },                /* domain_cache - any larger array should be zeroed */
 277   { 0 },                /* localpart_cache - ditto */
 278   -1,                   /* mode */
 279   0,                    /* more_errno */
 280   ERRNO_UNKNOWNERROR,   /* basic_errno */
 281   0,                    /* child_count */
 282   -1,                   /* return_file */
 283   SPECIAL_NONE,         /* special_action */
 284   DEFER,                /* transport_return */
 285   {                     /* fields that are propagated to children */
 286     NULL,               /* address_data */
 287     NULL,               /* domain_data */
 288     NULL,               /* localpart_data */
 289     NULL,               /* errors_address */
 290     NULL,               /* extra_headers */
 291     NULL,               /* remove_headers */
 292 #ifdef EXPERIMENTAL_SRS
 293     NULL,               /* srs_sender */
 294 #endif
 295   }
 296 };
 297
 298 uschar *address_file           = NULL;
 299 uschar *address_pipe           = NULL;
 300 BOOL    address_test_mode      = FALSE;
 301 tree_node *addresslist_anchor  = NULL;
 302 int     addresslist_count      = 0;
 303 gid_t  *admin_groups           = NULL;
 304 BOOL    admin_user             = FALSE;
 305 BOOL    allow_auth_unadvertised= FALSE;
 306 BOOL    allow_domain_literals  = FALSE;
 307 BOOL    allow_mx_to_ip         = FALSE;
 308 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 309 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 310 BOOL    allow_utf8_domains     = FALSE;
 311 uschar *authenticated_id       = NULL;
 312 uschar *authenticated_sender   = NULL;
 313 BOOL    authentication_failed  = FALSE;
 314 auth_instance  *auths          = NULL;
 315 uschar *auth_advertise_hosts   = US"*";
 316 auth_instance auth_defaults    = {
 317     NULL,                      /* chain pointer */
 318     NULL,                      /* name */
 319     NULL,                      /* info */
 320     NULL,                      /* private options block pointer */
 321     NULL,                      /* driver_name */
 322     NULL,                      /* advertise_condition */
 323     NULL,                      /* public_name */
 324     NULL,                      /* set_id */
 325     NULL,                      /* server_mail_auth_condition */
 326     NULL,                      /* server_debug_string */
 327     FALSE,                     /* client */
 328     FALSE,                     /* server */
 329     FALSE                      /* advertised */
 330 };
 331
 332 uschar *auth_defer_msg         = US"reason not recorded";
 333 uschar *auth_defer_user_msg    = US"";
 334 uschar *auth_vars[AUTH_VARS];
 335 int     auto_thaw              = 0;
 336 #ifdef WITH_CONTENT_SCAN
 337 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 338 #endif
 339
 340 BOOL    background_daemon      = TRUE;
 341
 342 #if BASE_62 == 62
 343 uschar *base62_chars=
 344     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 345 #else
 346 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 347 #endif
 348
 349 uschar *bi_command             = NULL;
 350 uschar *big_buffer             = NULL;
 351 int     big_buffer_size        = BIG_BUFFER_SIZE;
 352 #ifdef EXPERIMENTAL_BRIGHTMAIL
 353 uschar *bmi_alt_location       = NULL;
 354 uschar *bmi_base64_tracker_verdict = NULL;
 355 uschar *bmi_base64_verdict     = NULL;
 356 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 357 int     bmi_deliver            = 1;
 358 int     bmi_run                = 0;
 359 uschar *bmi_verdicts           = NULL;
 360 #endif
 361 int     body_linecount         = 0;
 362 int     body_zerocount         = 0;
 363 uschar *bounce_message_file    = NULL;
 364 uschar *bounce_message_text    = NULL;
 365 uschar *bounce_recipient       = NULL;
 366 BOOL    bounce_return_body     = TRUE;
 367 BOOL    bounce_return_message  = TRUE;
 368 int     bounce_return_size_limit = 100*1024;
 369 uschar *bounce_sender_authentication = NULL;
 370 int     bsmtp_transaction_linecount = 0;
 371
 372 int     callout_cache_domain_positive_expire = 7*24*60*60;
 373 int     callout_cache_domain_negative_expire = 3*60*60;
 374 int     callout_cache_positive_expire = 24*60*60;
 375 int     callout_cache_negative_expire = 2*60*60;
 376 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 377 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
 378 int     check_log_inodes       = 0;
 379 int     check_log_space        = 0;
 380 BOOL    check_rfc2047_length   = TRUE;
 381 int     check_spool_inodes     = 0;
 382 int     check_spool_space      = 0;
 383 int     clmacro_count          = 0;
 384 uschar *clmacros[MAX_CLMACROS];
 385 BOOL    config_changed         = FALSE;
 386 FILE   *config_file            = NULL;
 387 uschar *config_filename        = NULL;
 388 int     config_lineno          = 0;
 389 #ifdef CONFIGURE_GROUP
 390 gid_t   config_gid             = CONFIGURE_GROUP;
 391 #endif
 392 uschar *config_main_filelist   = US CONFIGURE_FILE
 393                          "\0<-----------Space to patch configure_filename->";
 394 uschar *config_main_filename   = NULL;
 395
 396 #ifdef CONFIGURE_OWNER
 397 uid_t   config_uid             = CONFIGURE_OWNER;
 398 #endif
 399
 400 int     connection_max_messages= -1;
 401 uschar *continue_hostname      = NULL;
 402 uschar *continue_host_address  = NULL;
 403 BOOL    continue_more          = FALSE;
 404 int     continue_sequence      = 1;
 405 uschar *continue_transport     = NULL;
 406
 407 uschar *csa_status             = NULL;
 408
 409 BOOL    daemon_listen          = FALSE;
 410 uschar *daemon_smtp_port       = US"smtp";
 411 int     daemon_startup_retries = 9;
 412 int     daemon_startup_sleep   = 30;
 413 BOOL    debug_daemon           = FALSE;
 414 int     debug_fd               = -1;
 415 FILE   *debug_file             = NULL;
 416 bit_table debug_options[]      = {
 417   { US"acl",            D_acl },
 418   { US"all",            D_all },
 419   { US"auth",           D_auth },
 420   { US"deliver",        D_deliver },
 421   { US"dns",            D_dns },
 422   { US"dnsbl",          D_dnsbl },
 423   { US"exec",           D_exec },
 424   { US"expand",         D_expand },
 425   { US"filter",         D_filter },
 426   { US"hints_lookup",   D_hints_lookup },
 427   { US"host_lookup",    D_host_lookup },
 428   { US"ident",          D_ident },
 429   { US"interface",      D_interface },
 430   { US"lists",          D_lists },
 431   { US"load",           D_load },
 432   { US"local_scan",     D_local_scan },
 433   { US"lookup",         D_lookup },
 434   { US"memory",         D_memory },
 435   { US"pid",            D_pid },
 436   { US"process_info",   D_process_info },
 437   { US"queue_run",      D_queue_run },
 438   { US"receive",        D_receive },
 439   { US"resolver",       D_resolver },
 440   { US"retry",          D_retry },
 441   { US"rewrite",        D_rewrite },
 442   { US"route",          D_route },
 443   { US"timestamp",      D_timestamp },
 444   { US"tls",            D_tls },
 445   { US"transport",      D_transport },
 446   { US"uid",            D_uid },
 447   { US"verify",         D_verify }
 448 };
 449 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 450 unsigned int debug_selector    = 0;
 451 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 452 uschar *delay_warning_condition=
 453   US"${if or {"
 454             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 455             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 456             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 457             "} {no}{yes}}";
 458 BOOL    delivery_date_remove   = TRUE;
 459 uschar *deliver_address_data   = NULL;
 460 int     deliver_datafile       = -1;
 461 uschar *deliver_domain         = NULL;
 462 uschar *deliver_domain_data    = NULL;
 463 uschar *deliver_domain_orig    = NULL;
 464 uschar *deliver_domain_parent  = NULL;
 465 BOOL    deliver_drop_privilege = FALSE;
 466 BOOL    deliver_firsttime      = FALSE;
 467 BOOL    deliver_force          = FALSE;
 468 BOOL    deliver_freeze         = FALSE;
 469 int     deliver_frozen_at      = 0;
 470 uschar *deliver_home           = NULL;
 471 uschar *deliver_host           = NULL;
 472 uschar *deliver_host_address   = NULL;
 473 uschar *deliver_in_buffer      = NULL;
 474 ino_t   deliver_inode          = 0;
 475 uschar *deliver_localpart      = NULL;
 476 uschar *deliver_localpart_data = NULL;
 477 uschar *deliver_localpart_orig = NULL;
 478 uschar *deliver_localpart_parent = NULL;
 479 uschar *deliver_localpart_prefix = NULL;
 480 uschar *deliver_localpart_suffix = NULL;
 481 BOOL    deliver_force_thaw     = FALSE;
 482 BOOL    deliver_manual_thaw    = FALSE;
 483 uschar *deliver_out_buffer     = NULL;
 484 int     deliver_queue_load_max = -1;
 485 address_item  *deliver_recipients = NULL;
 486 uschar *deliver_selectstring   = NULL;
 487 BOOL    deliver_selectstring_regex = FALSE;
 488 uschar *deliver_selectstring_sender = NULL;
 489 BOOL    deliver_selectstring_sender_regex = FALSE;
 490 #ifdef WITH_OLD_DEMIME
 491 int     demime_errorlevel      = 0;
 492 int     demime_ok              = 0;
 493 uschar *demime_reason          = NULL;
 494 #endif
 495 BOOL    disable_ipv6           = FALSE;
 496 BOOL    disable_logging        = FALSE;
 497
 498 #ifdef EXPERIMENTAL_DOMAINKEYS
 499 uschar *dk_signing_domain      = NULL;
 500 uschar *dk_signing_selector    = NULL;
 501 int     dk_do_verify           = 0;
 502 #endif
 503
 504 uschar *dns_again_means_nonexist = NULL;
 505 int     dns_csa_search_limit   = 5;
 506 BOOL    dns_csa_use_reverse    = TRUE;
 507 uschar *dns_ipv4_lookup        = NULL;
 508 int     dns_retrans            = 0;
 509 int     dns_retry              = 0;
 510 uschar *dnslist_domain         = NULL;
 511 uschar *dnslist_text           = NULL;
 512 uschar *dnslist_value          = NULL;
 513 tree_node *domainlist_anchor   = NULL;
 514 int     domainlist_count       = 0;
 515 BOOL    dont_deliver           = FALSE;
 516 BOOL    dot_ends               = TRUE;
 517 BOOL    drop_cr                = FALSE;         /* No longer used */
 518
 519 BOOL    enable_dollar_recipients = FALSE;
 520 BOOL    envelope_to_remove     = TRUE;
 521 int     errno_quota            = ERRNO_QUOTA;
 522 uschar *errors_copy            = NULL;
 523 int     error_handling         = ERRORS_SENDER;
 524 uschar *errors_reply_to        = NULL;
 525 int     errors_sender_rc       = EXIT_FAILURE;
 526
 527 gid_t   exim_gid               = EXIM_GID;
 528 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 529 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 530                         "\0<---------------Space to patch exim_path->";
 531 uid_t   exim_uid               = EXIM_UID;
 532 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 533 int     expand_forbid          = 0;
 534 int     expand_nlength[EXPAND_MAXN+1];
 535 int     expand_nmax            = -1;
 536 uschar *expand_nstring[EXPAND_MAXN+1];
 537 BOOL    expand_string_forcedfail = FALSE;
 538 uschar *expand_string_message;
 539 BOOL    extract_addresses_remove_arguments = TRUE;
 540 uschar *extra_local_interfaces = NULL;
 541
 542 int     fake_response          = OK;
 543 uschar *fake_response_text     = US"Your message has been rejected but is being kept for evaluation.\nIf it was a legitimate message, it may still be delivered to the target recipient(s).";
 544 int     filter_n[FILTER_VARIABLE_COUNT];
 545 BOOL    filter_running         = FALSE;
 546 int     filter_sn[FILTER_VARIABLE_COUNT];
 547 int     filter_test            = FTEST_NONE;
 548 uschar *filter_test_sfile      = NULL;
 549 uschar *filter_test_ufile      = NULL;
 550 uschar *filter_thisaddress     = NULL;
 551 int     finduser_retries       = 0;
 552 #ifdef WITH_OLD_DEMIME
 553 uschar *found_extension        = NULL;
 554 #endif
 555 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 556 uschar *freeze_tell            = NULL;
 557 uschar *freeze_tell_config     = NULL;
 558 uschar *fudged_queue_times     = US"";
 559
 560 uschar *gecos_name             = NULL;
 561 uschar *gecos_pattern          = NULL;
 562 rewrite_rule  *global_rewrite_rules = NULL;
 563
 564 uschar *headers_charset        = US HEADERS_CHARSET;
 565 int     header_insert_maxlen   = 64 * 1024;
 566 header_line  *header_last      = NULL;
 567 header_line  *header_list      = NULL;
 568 int     header_maxsize         = HEADER_MAXSIZE;
 569 int     header_line_maxsize    = 0;
 570
 571 header_name header_names[] = {
 572   { US"bcc",            3, TRUE,  htype_bcc },
 573   { US"cc",             2, TRUE,  htype_cc },
 574   { US"date",           4, TRUE,  htype_date },
 575   { US"delivery-date", 13, FALSE, htype_delivery_date },
 576   { US"envelope-to",   11, FALSE, htype_envelope_to },
 577   { US"from",           4, TRUE,  htype_from },
 578   { US"message-id",    10, TRUE,  htype_id },
 579   { US"received",       8, FALSE, htype_received },
 580   { US"reply-to",       8, FALSE, htype_reply_to },
 581   { US"return-path",   11, FALSE, htype_return_path },
 582   { US"sender",         6, TRUE,  htype_sender },
 583   { US"subject",        7, FALSE, htype_subject },
 584   { US"to",             2, TRUE,  htype_to }
 585 };
 586
 587 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 588
 589 BOOL    header_rewritten       = FALSE;
 590 uschar *helo_accept_junk_hosts = NULL;
 591 uschar *helo_allow_chars       = US"";
 592 uschar *helo_lookup_domains    = US"@ : @[]";
 593 uschar *helo_try_verify_hosts  = NULL;
 594 BOOL    helo_verified          = FALSE;
 595 BOOL    helo_verify_failed     = FALSE;
 596 uschar *helo_verify_hosts      = NULL;
 597 uschar *hex_digits             = US"0123456789abcdef";
 598 uschar *hold_domains           = NULL;
 599 BOOL    host_checking          = FALSE;
 600 BOOL    host_checking_callout  = FALSE;
 601 uschar *host_data              = NULL;
 602 BOOL    host_find_failed_syntax= FALSE;
 603 uschar *host_lookup            = NULL;
 604 BOOL    host_lookup_deferred   = FALSE;
 605 BOOL    host_lookup_failed     = FALSE;
 606 uschar *host_lookup_order      = US"bydns:byaddr";
 607 uschar *host_lookup_msg        = US"";
 608 int     host_number            = 0;
 609 uschar *host_number_string     = NULL;
 610 uschar *host_reject_connection = NULL;
 611 tree_node *hostlist_anchor     = NULL;
 612 int     hostlist_count         = 0;
 613 uschar *hosts_treat_as_local   = NULL;
 614 uschar *hosts_connection_nolog = NULL;
 615
 616 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 617 BOOL    ignore_fromline_local  = FALSE;
 618 uschar *ignore_fromline_hosts  = NULL;
 619 uschar *interface_address      = NULL;
 620 int     interface_port         = -1;
 621 BOOL    is_inetd               = FALSE;
 622
 623 int     journal_fd             = -1;
 624
 625 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 626
 627 uschar *eldap_dn               = NULL;
 628 int     load_average           = -2;
 629 BOOL    local_error_message    = FALSE;
 630 BOOL    local_from_check       = TRUE;
 631 uschar *local_from_prefix      = NULL;
 632 uschar *local_from_suffix      = NULL;
 633
 634 #if HAVE_IPV6
 635 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 636 #else
 637 uschar *local_interfaces       = US"0.0.0.0";
 638 #endif
 639
 640 uschar *local_scan_data        = NULL;
 641 int     local_scan_timeout     = 5*60;
 642 BOOL    local_sender_retain    = FALSE;
 643 gid_t   local_user_gid         = (gid_t)(-1);
 644 uid_t   local_user_uid         = (uid_t)(-1);
 645
 646 tree_node *localpartlist_anchor= NULL;
 647 int     localpartlist_count    = 0;
 648 uschar *log_buffer             = NULL;
 649 unsigned int log_extra_selector = LX_default;
 650 uschar *log_file_path          = US LOG_FILE_PATH
 651                            "\0<--------------Space to patch log_file_path->";
 652
 653 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 654 are the ones that get put into log_write_selector. They can be used in calls to
 655 log_write() to test for the bit. The options with LX_xxx identifiers have
 656 values greater than 0x80000000 and are put int log_extra_selector (without the
 657 top bit). They are never used in calls to log_write(), but are tested
 658 independently. This separation became necessary when the number of log
 659 selectors was getting close to filling a 32-bit word. */
 660
 661 bit_table log_options[]        = {
 662   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 663   { US"address_rewrite",              L_address_rewrite },
 664   { US"all",                          L_all },
 665   { US"all_parents",                  L_all_parents },
 666   { US"arguments",                    LX_arguments },
 667   { US"connection_reject",            L_connection_reject },
 668   { US"delay_delivery",               L_delay_delivery },
 669   { US"deliver_time",                 LX_deliver_time },
 670   { US"delivery_size",                LX_delivery_size },
 671   { US"dnslist_defer",                L_dnslist_defer },
 672   { US"etrn",                         L_etrn },
 673   { US"host_lookup_failed",           L_host_lookup_failed },
 674   { US"ident_timeout",                LX_ident_timeout },
 675   { US"incoming_interface",           LX_incoming_interface },
 676   { US"incoming_port",                LX_incoming_port },
 677   { US"lost_incoming_connection",     L_lost_incoming_connection },
 678   { US"outgoing_port",                LX_outgoing_port },
 679   { US"queue_run",                    L_queue_run },
 680   { US"queue_time",                   LX_queue_time },
 681   { US"queue_time_overall",           LX_queue_time_overall },
 682   { US"received_recipients",          LX_received_recipients },
 683   { US"received_sender",              LX_received_sender },
 684   { US"rejected_header",              LX_rejected_header },
 685   { US"rejected_headers",             LX_rejected_header },
 686   { US"retry_defer",                  L_retry_defer },
 687   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 688   { US"sender_on_delivery",           LX_sender_on_delivery },
 689   { US"sender_verify_fail",           LX_sender_verify_fail },
 690   { US"size_reject",                  L_size_reject },
 691   { US"skip_delivery",                L_skip_delivery },
 692   { US"smtp_confirmation",            LX_smtp_confirmation },
 693   { US"smtp_connection",              L_smtp_connection },
 694   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 695   { US"smtp_protocol_error",          L_smtp_protocol_error },
 696   { US"smtp_syntax_error",            L_smtp_syntax_error },
 697   { US"subject",                      LX_subject },
 698   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 699   { US"tls_cipher",                   LX_tls_cipher },
 700   { US"tls_peerdn",                   LX_tls_peerdn },
 701   { US"unknown_in_list",              LX_unknown_in_list }
 702 };
 703
 704 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 705 unsigned int log_write_selector= L_default;
 706 uschar *log_selector_string    = NULL;
 707 FILE   *log_stderr             = NULL;
 708 BOOL    log_testing_mode       = FALSE;
 709 BOOL    log_timezone           = FALSE;
 710 uschar *login_sender_address   = NULL;
 711 int     lookup_open_max        = 25;
 712 uschar *lookup_value           = NULL;
 713
 714 macro_item  *macros            = NULL;
 715 uschar *mailstore_basename     = NULL;
 716 #ifdef WITH_CONTENT_SCAN
 717 uschar *malware_name           = NULL;  /* Virus Name */
 718 #endif
 719 int     max_username_length    = 0;
 720 int     message_age            = 0;
 721 uschar *message_body           = NULL;
 722 uschar *message_body_end       = NULL;
 723 int     message_body_size      = 0;
 724 int     message_body_visible   = 500;
 725 int     message_ended          = END_NOTSTARTED;
 726 uschar *message_headers        = NULL;
 727 uschar *message_id;
 728 uschar *message_id_domain      = NULL;
 729 uschar *message_id_text        = NULL;
 730 struct timeval message_id_tv   = { 0, 0 };
 731 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 732 uschar *message_id_external;
 733 int     message_linecount      = 0;
 734 BOOL    message_logs           = TRUE;
 735 int     message_size           = 0;
 736 uschar *message_size_limit     = US"50M";
 737 uschar  message_subdir[2]      = { 0, 0 };
 738 uschar *message_reference      = NULL;
 739
 740 /* MIME ACL expandables */
 741 #ifdef WITH_CONTENT_SCAN
 742 int     mime_anomaly_level     = 0;
 743 uschar *mime_anomaly_text      = NULL;
 744 uschar *mime_boundary          = NULL;
 745 uschar *mime_charset           = NULL;
 746 uschar *mime_content_description = NULL;
 747 uschar *mime_content_disposition = NULL;
 748 uschar *mime_content_id        = NULL;
 749 unsigned int mime_content_size = 0;
 750 uschar *mime_content_transfer_encoding = NULL;
 751 uschar *mime_content_type      = NULL;
 752 uschar *mime_decoded_filename  = NULL;
 753 uschar *mime_filename          = NULL;
 754 int     mime_is_multipart      = 0;
 755 int     mime_is_coverletter    = 0;
 756 int     mime_is_rfc822         = 0;
 757 int     mime_part_count        = -1;
 758 #endif
 759
 760 BOOL    mua_wrapper            = FALSE;
 761
 762 uid_t  *never_users            = NULL;
 763 #ifdef WITH_CONTENT_SCAN
 764 BOOL    no_mbox_unspool        = FALSE;
 765 #endif
 766 BOOL    no_multiline_responses = FALSE;
 767
 768 uid_t   original_euid;
 769 gid_t   originator_gid;
 770 uschar *originator_login       = NULL;
 771 uschar *originator_name        = NULL;
 772 uid_t   originator_uid;
 773 uschar *override_local_interfaces = NULL;
 774 uschar *override_pid_file_path = NULL;
 775
 776 BOOL    parse_allow_group      = FALSE;
 777 BOOL    parse_found_group      = FALSE;
 778 uschar *percent_hack_domains   = NULL;
 779 uschar *pid_file_path          = US PID_FILE_PATH
 780                            "\0<--------------Space to patch pid_file_path->";
 781 uschar *pipelining_advertise_hosts = US"*";
 782 BOOL    preserve_message_logs  = FALSE;
 783 uschar *primary_hostname       = NULL;
 784 BOOL    print_topbitchars      = FALSE;
 785 uschar  process_info[PROCESS_INFO_SIZE];
 786 uschar *process_log_path       = NULL;
 787 BOOL    prod_requires_admin    = TRUE;
 788 uschar *prvscheck_address      = NULL;
 789 uschar *prvscheck_keynum       = NULL;
 790 uschar *prvscheck_result       = NULL;
 791
 792
 793 uschar *qualify_domain_recipient = NULL;
 794 uschar *qualify_domain_sender  = NULL;
 795 BOOL    queue_2stage           = FALSE;
 796 uschar *queue_domains          = NULL;
 797 int     queue_interval         = -1;
 798 BOOL    queue_list_requires_admin = TRUE;
 799 BOOL    queue_only             = FALSE;
 800 uschar *queue_only_file        = NULL;
 801 int     queue_only_load        = -1;
 802 BOOL    queue_only_override    = TRUE;
 803 BOOL    queue_only_policy      = FALSE;
 804 BOOL    queue_run_first_delivery = FALSE;
 805 BOOL    queue_run_force        = FALSE;
 806 BOOL    queue_run_in_order     = FALSE;
 807 BOOL    queue_run_local        = FALSE;
 808 int     queue_run_max          = 5;
 809 pid_t   queue_run_pid          = (pid_t)0;
 810 int     queue_run_pipe         = -1;
 811 BOOL    queue_running          = FALSE;
 812 BOOL    queue_smtp             = FALSE;
 813 uschar *queue_smtp_domains     = NULL;
 814
 815 unsigned int random_seed       = 0;
 816 tree_node *ratelimiters_cmd    = NULL;
 817 tree_node *ratelimiters_conn   = NULL;
 818 tree_node *ratelimiters_mail   = NULL;
 819 uschar *raw_active_hostname    = NULL;
 820 uschar *raw_sender             = NULL;
 821 uschar **raw_recipients        = NULL;
 822 int     raw_recipients_count   = 0;
 823
 824 int     rcpt_count             = 0;
 825 int     rcpt_fail_count        = 0;
 826 int     rcpt_defer_count       = 0;
 827 gid_t   real_gid;
 828 uid_t   real_uid;
 829 BOOL    really_exim            = TRUE;
 830 BOOL    receive_call_bombout   = FALSE;
 831 int     receive_linecount      = 0;
 832 int     receive_messagecount   = 0;
 833 int     receive_timeout        = 0;
 834 int     received_count         = 0;
 835 uschar *received_for           = NULL;
 836
 837 /*  This is the default text for Received headers generated by Exim. The
 838 date  will be automatically added on the end. */
 839
 840 uschar *received_header_text   = US
 841      "Received: "
 842      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 843      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 844      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 845      "by $primary_hostname "
 846      "${if def:received_protocol {with $received_protocol}} "
 847      #ifdef SUPPORT_TLS
 848      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 849      #endif
 850      "(Exim $version_number)\n\t"
 851      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 852      "id $message_exim_id"
 853      "${if def:received_for {\n\tfor $received_for}}"
 854      "\0<---------------Space to patch received_header_text->";
 855
 856 int     received_headers_max   = 30;
 857 uschar *received_protocol      = NULL;
 858 int     received_time          = 0;
 859 uschar *recipient_data         = NULL;
 860 uschar *recipient_unqualified_hosts = NULL;
 861 uschar *recipient_verify_failure = NULL;
 862 int     recipients_count       = 0;
 863 BOOL    recipients_discarded   = FALSE;
 864 recipient_item  *recipients_list = NULL;
 865 int     recipients_list_max    = 0;
 866 int     recipients_max         = 0;
 867 BOOL    recipients_max_reject  = FALSE;
 868 const pcre *regex_AUTH         = NULL;
 869 const pcre *regex_check_dns_names = NULL;
 870 const pcre *regex_From         = NULL;
 871 const pcre *regex_IGNOREQUOTA  = NULL;
 872 const pcre *regex_PIPELINING   = NULL;
 873 const pcre *regex_SIZE         = NULL;
 874 const pcre *regex_smtp_code    = NULL;
 875 const pcre *regex_ismsgid      = NULL;
 876 #ifdef WITH_CONTENT_SCAN
 877 uschar *regex_match_string     = NULL;
 878 #endif
 879 int     remote_delivery_count  = 0;
 880 int     remote_max_parallel    = 2;
 881 uschar *remote_sort_domains    = NULL;
 882 int     retry_data_expire      = 7*24*60*60;
 883 int     retry_interval_max     = 24*60*60;
 884 int     retry_maximum_timeout  = 0;        /* set from retry config */
 885 retry_config  *retries         = NULL;
 886 uschar *return_path            = NULL;
 887 BOOL    return_path_remove     = TRUE;
 888 int     rewrite_existflags     = 0;
 889 uschar *rfc1413_hosts          = US"*";
 890 int     rfc1413_query_timeout  = 5;
 891 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 892 uid_t   root_uid               = ROOT_UID;
 893
 894 router_instance  *routers  = NULL;
 895 router_instance  router_defaults = {
 896     NULL,                      /* chain pointer */
 897     NULL,                      /* name */
 898     NULL,                      /* info */
 899     NULL,                      /* private options block pointer */
 900     NULL,                      /* driver name */
 901
 902     NULL,                      /* address_data */
 903 #ifdef EXPERIMENTAL_BRIGHTMAIL
 904     NULL,                      /* bmi_rule */
 905 #endif
 906     NULL,                      /* cannot_route_message */
 907     NULL,                      /* condition */
 908     NULL,                      /* current_directory */
 909     NULL,                      /* debug_string */
 910     NULL,                      /* domains */
 911     NULL,                      /* errors_to */
 912     NULL,                      /* expand_gid */
 913     NULL,                      /* expand_uid */
 914     NULL,                      /* expand_more */
 915     NULL,                      /* expand_unseen */
 916     NULL,                      /* extra_headers */
 917     NULL,                      /* fallback_hosts */
 918     NULL,                      /* home_directory */
 919     NULL,                      /* ignore_target_hosts */
 920     NULL,                      /* local_parts */
 921     NULL,                      /* pass_router_name */
 922     NULL,                      /* prefix */
 923     NULL,                      /* redirect_router_name */
 924     NULL,                      /* remove_headers */
 925     NULL,                      /* require_files */
 926     NULL,                      /* router_home_directory */
 927     US"freeze",                /* self */
 928     NULL,                      /* senders */
 929     NULL,                      /* suffix */
 930     NULL,                      /* translate_ip_address */
 931     NULL,                      /* transport_name */
 932
 933     TRUE,                      /* address_test */
 934 #ifdef EXPERIMENTAL_BRIGHTMAIL
 935     FALSE,                     /* bmi_deliver_alternate */
 936     FALSE,                     /* bmi_deliver_default */
 937     FALSE,                     /* bmi_dont_deliver */
 938 #endif
 939     TRUE,                      /* expn */
 940     FALSE,                     /* caseful_local_part */
 941     FALSE,                     /* check_local_user */
 942     FALSE,                     /* disable_logging */
 943     FALSE,                     /* fail_verify_recipient */
 944     FALSE,                     /* fail_verify_sender */
 945     FALSE,                     /* gid_set */
 946     FALSE,                     /* initgroups */
 947     TRUE_UNSET,                /* log_as_local */
 948     TRUE,                      /* more */
 949     FALSE,                     /* pass_on_timeout */
 950     FALSE,                     /* prefix_optional */
 951     TRUE,                      /* repeat_use */
 952     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 953     FALSE,                     /* same_domain_copy_routing */
 954     FALSE,                     /* self_rewrite */
 955     FALSE,                     /* suffix_optional */
 956     FALSE,                     /* verify_only */
 957     TRUE,                      /* verify_recipient */
 958     TRUE,                      /* verify_sender */
 959     FALSE,                     /* uid_set */
 960     FALSE,                     /* unseen */
 961
 962     self_freeze,               /* self_code */
 963     (uid_t)(-1),               /* uid */
 964     (gid_t)(-1),               /* gid */
 965
 966     NULL,                      /* fallback_hostlist */
 967     NULL,                      /* transport instance */
 968     NULL,                      /* pass_router */
 969     NULL                       /* redirect_router */
 970 };
 971
 972 ip_address_item *running_interfaces = NULL;
 973 BOOL    running_in_test_harness = FALSE;
 974
 975 /* This is a weird one. The following string gets patched in the binary by the
 976 script that sets up a copy of Exim for running in the test harness. It seems
 977 that compilers are now clever, and share constant strings if they can.
 978 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 979 make use of the end of this string in order to save space. So the patching then
 980 wrecks this. We default this optimization by adding some additional characters
 981 onto the end of the string. */
 982
 983 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 984
 985 int     runrc                  = 0;
 986
 987 uschar *search_error_message   = NULL;
 988 BOOL    search_find_defer      = FALSE;
 989 uschar *self_hostname          = NULL;
 990 uschar *sender_address         = NULL;
 991 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
 992 uschar *sender_address_data    = NULL;
 993 BOOL    sender_address_forced  = FALSE;
 994 uschar *sender_address_unrewritten = NULL;
 995 uschar *sender_data            = NULL;
 996 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
 997 uschar *sender_fullhost        = NULL;
 998 uschar *sender_helo_name       = NULL;
 999 uschar **sender_host_aliases   = &no_aliases;
1000 uschar *sender_host_address    = NULL;
1001 uschar *sender_host_authenticated = NULL;
1002 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1003 uschar *sender_host_name       = NULL;
1004 int     sender_host_port       = 0;
1005 BOOL    sender_host_notsocket  = FALSE;
1006 BOOL    sender_host_unknown    = FALSE;
1007 uschar *sender_ident           = NULL;
1008 BOOL    sender_local           = FALSE;
1009 BOOL    sender_name_forced     = FALSE;
1010 uschar *sender_rate            = NULL;
1011 uschar *sender_rate_limit      = NULL;
1012 uschar *sender_rate_period     = NULL;
1013 uschar *sender_rcvhost         = NULL;
1014 BOOL    sender_set_untrusted   = FALSE;
1015 uschar *sender_unqualified_hosts = NULL;
1016 uschar *sender_verify_failure = NULL;
1017 address_item *sender_verified_list  = NULL;
1018 address_item *sender_verified_failed = NULL;
1019 int     sender_verified_rc     = -1;
1020 BOOL    sender_verified_responded = FALSE;
1021 volatile  BOOL sigalrm_seen    = FALSE;
1022 uschar **sighup_argv           = NULL;
1023 int     smtp_accept_count      = 0;
1024 BOOL    smtp_accept_keepalive  = TRUE;
1025 int     smtp_accept_max        = 20;
1026 int     smtp_accept_max_nonmail= 10;
1027 uschar *smtp_accept_max_nonmail_hosts = US"*";
1028 int     smtp_accept_max_per_connection = 1000;
1029 uschar *smtp_accept_max_per_host = NULL;
1030 int     smtp_accept_queue      = 0;
1031 int     smtp_accept_queue_per_connection = 10;
1032 int     smtp_accept_reserve    = 0;
1033 uschar *smtp_active_hostname   = NULL;
1034 BOOL    smtp_authenticated     = FALSE;
1035 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1036                              "Exim $version_number $tod_full"
1037                              "\0<---------------Space to patch smtp_banner->";
1038 BOOL    smtp_batched_input     = FALSE;
1039 BOOL    smtp_check_spool_space = TRUE;
1040 uschar *smtp_cmd_argument      = NULL;
1041 uschar *smtp_cmd_buffer        = NULL;
1042 int     smtp_connect_backlog   = 20;
1043 double  smtp_delay_mail        = 0.0;
1044 double  smtp_delay_rcpt        = 0.0;
1045 BOOL    smtp_enforce_sync      = TRUE;
1046 FILE   *smtp_in                = NULL;
1047 BOOL    smtp_input             = FALSE;
1048 int     smtp_load_reserve      = -1;
1049 int     smtp_mailcmd_count     = 0;
1050 FILE   *smtp_out               = NULL;
1051 uschar *smtp_etrn_command      = NULL;
1052 BOOL    smtp_etrn_serialize    = TRUE;
1053 int     smtp_max_synprot_errors= 3;
1054 int     smtp_max_unknown_commands = 3;
1055 uschar *smtp_ratelimit_hosts   = NULL;
1056 uschar *smtp_ratelimit_mail    = NULL;
1057 uschar *smtp_ratelimit_rcpt    = NULL;
1058 uschar *smtp_read_error        = US"";
1059 int     smtp_receive_timeout   = 5*60;
1060 uschar *smtp_reserve_hosts     = NULL;
1061 BOOL    smtp_return_error_details = FALSE;
1062 int     smtp_rlm_base          = 0;
1063 double  smtp_rlm_factor        = 0.0;
1064 int     smtp_rlm_limit         = 0;
1065 int     smtp_rlm_threshold     = INT_MAX;
1066 int     smtp_rlr_base          = 0;
1067 double  smtp_rlr_factor        = 0.0;
1068 int     smtp_rlr_limit         = 0;
1069 int     smtp_rlr_threshold     = INT_MAX;
1070 BOOL    smtp_use_pipelining    = FALSE;
1071 BOOL    smtp_use_size          = FALSE;
1072
1073 #ifdef WITH_CONTENT_SCAN
1074 uschar *spamd_address          = US"127.0.0.1 783";
1075 uschar *spam_bar               = NULL;
1076 uschar *spam_report            = NULL;
1077 uschar *spam_score             = NULL;
1078 uschar *spam_score_int         = NULL;
1079 #endif
1080 #ifdef EXPERIMENTAL_SPF
1081 uschar *spf_header_comment     = NULL;
1082 uschar *spf_received           = NULL;
1083 uschar *spf_result             = NULL;
1084 uschar *spf_smtp_comment       = NULL;
1085 #endif
1086
1087 BOOL    split_spool_directory  = FALSE;
1088 uschar *spool_directory        = US SPOOL_DIRECTORY
1089                            "\0<--------------Space to patch spool_directory->";
1090 #ifdef EXPERIMENTAL_SRS
1091 uschar *srs_config             = NULL;
1092 uschar *srs_db_address         = NULL;
1093 uschar *srs_db_key             = NULL;
1094 int     srs_hashlength         = 6;
1095 int     srs_hashmin            = -1;
1096 int     srs_maxage             = 31;
1097 uschar *srs_orig_recipient     = NULL;
1098 uschar *srs_orig_sender        = NULL;
1099 uschar *srs_recipient          = NULL;
1100 uschar *srs_secrets            = NULL;
1101 uschar *srs_status             = NULL;
1102 BOOL    srs_usehash            = TRUE;
1103 BOOL    srs_usetimestamp       = TRUE;
1104 #endif
1105 int     string_datestamp_offset= -1;
1106 BOOL    strip_excess_angle_brackets = FALSE;
1107 BOOL    strip_trailing_dot     = FALSE;
1108 uschar *submission_domain      = NULL;
1109 BOOL    submission_mode        = FALSE;
1110 uschar *submission_name        = NULL;
1111 BOOL    suppress_local_fixups  = FALSE;
1112 BOOL    synchronous_delivery   = FALSE;
1113 BOOL    syslog_duplication     = TRUE;
1114 int     syslog_facility        = LOG_MAIL;
1115 uschar *syslog_processname     = US"exim";
1116 BOOL    syslog_timestamp       = TRUE;
1117 uschar *system_filter          = NULL;
1118
1119 uschar *system_filter_directory_transport = NULL;
1120 uschar *system_filter_file_transport = NULL;
1121 uschar *system_filter_pipe_transport = NULL;
1122 uschar *system_filter_reply_transport = NULL;
1123
1124 gid_t   system_filter_gid      = 0;
1125 BOOL    system_filter_gid_set  = FALSE;
1126 uid_t   system_filter_uid      = 0;
1127 BOOL    system_filter_uid_set  = FALSE;
1128 BOOL    system_filtering       = FALSE;
1129
1130 BOOL    tcp_nodelay            = TRUE;
1131 int     thismessage_size_limit = 0;
1132 int     timeout_frozen_after   = 0;
1133 BOOL    timestamps_utc         = FALSE;
1134
1135 transport_instance  *transports = NULL;
1136
1137 transport_instance  transport_defaults = {
1138     NULL,                     /* chain pointer */
1139     NULL,                     /* name */
1140     NULL,                     /* info */
1141     NULL,                     /* private options block pointer */
1142     NULL,                     /* driver name */
1143     NULL,                     /* setup entry point */
1144     1,                        /* batch_max */
1145     NULL,                     /* batch_id */
1146     NULL,                     /* home_dir */
1147     NULL,                     /* current_dir */
1148     TRUE,                     /* multi-domain */
1149     FALSE,                    /* overrides_hosts */
1150     100,                      /* max_addresses */
1151     500,                      /* connection_max_messages */
1152     FALSE,                    /* deliver_as_creator */
1153     FALSE,                    /* disable_logging */
1154     FALSE,                    /* initgroups */
1155     FALSE,                    /* uid_set */
1156     FALSE,                    /* gid_set */
1157     (uid_t)(-1),              /* uid */
1158     (gid_t)(-1),              /* gid */
1159     NULL,                     /* expand_uid */
1160     NULL,                     /* expand_gid */
1161     NULL,                     /* warn_message */
1162     NULL,                     /* shadow */
1163     NULL,                     /* shadow_condition */
1164     NULL,                     /* filter_command */
1165     NULL,                     /* add_headers */
1166     NULL,                     /* remove_headers */
1167     NULL,                     /* return_path */
1168     NULL,                     /* debug_string */
1169     NULL,                     /* message_size_limit */
1170     NULL,                     /* headers_rewrite */
1171     NULL,                     /* rewrite_rules */
1172     0,                        /* rewrite_existflags */
1173     300,                      /* filter_timeout */
1174     FALSE,                    /* body_only */
1175     FALSE,                    /* delivery_date_add */
1176     FALSE,                    /* envelope_to_add */
1177     FALSE,                    /* headers_only */
1178     FALSE,                    /* rcpt_include_affixes */
1179     FALSE,                    /* return_path_add */
1180     FALSE,                    /* return_output */
1181     FALSE,                    /* return_fail_output */
1182     FALSE,                    /* log_output */
1183     FALSE,                    /* log_fail_output */
1184     FALSE,                    /* log_defer_output */
1185     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1186                                  1 nor 0 so can detect unset */
1187 };
1188
1189 int     transport_count;
1190 uschar **transport_filter_argv  = NULL;
1191 int     transport_filter_timeout;
1192 BOOL    transport_filter_timed_out = FALSE;
1193 int     transport_write_timeout= 0;
1194
1195 tree_node  *tree_dns_fails     = NULL;
1196 tree_node  *tree_duplicates    = NULL;
1197 tree_node  *tree_nonrecipients = NULL;
1198 tree_node  *tree_unusable      = NULL;
1199
1200 BOOL    trusted_caller         = FALSE;
1201 gid_t  *trusted_groups         = NULL;
1202 uid_t  *trusted_users          = NULL;
1203 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1204
1205 uschar *unknown_login          = NULL;
1206 uschar *unknown_username       = NULL;
1207 uschar *untrusted_set_sender   = NULL;
1208
1209 /*  A regex for matching a "From_" line in an incoming message, in the form
1210
1211     From ph10 Fri Jan  5 12:35 GMT 1996
1212
1213 which  the "mail" commands send to the MTA (undocumented, of course), or in
1214 the  form
1215
1216     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1217
1218 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1219 Because  of variations in time formats, just match up to the minutes. That
1220 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1221 so  just require one digit for hours and minutes. The weekday is also absent
1222 in  some forms. */
1223
1224 uschar *uucp_from_pattern      = US
1225    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1226    "(?:"                                          /* Non-extracting bracket */
1227    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1228    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1229    ")"                                            /* End alternation */
1230    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1231
1232 uschar *uucp_from_sender       = US"$1";
1233
1234 uschar *warn_message_file      = NULL;
1235 uschar *warnmsg_delay          = NULL;
1236 uschar *warnmsg_recipients     = NULL;
1237 BOOL    write_rejectlog        = TRUE;
1238
1239 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2006";
1240 uschar *version_date           = US"?";
1241 uschar *version_cnumber        = US"????";
1242 uschar *version_string         = US"?";
1243
1244 int     warning_count          = 0;
1245
1246 /*  End of globals.c */