src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.62 2007/01/15 15:59:22 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2007 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* All the global variables are defined together in this one module, so
  11 that they are easy to find. */
  12
  13 #include "exim.h"
  14
  15
  16 /* The OSF1 linker puts out a worrying warning if any sections contain no
  17 executable code. It says
  18
  19 Warning: Linking some objects which contain exception information sections
  20         and some which do not. This may cause fatal runtime exception handling
  21         problems.
  22
  23 As this may cause people to worry needlessly, include a dummy function here
  24 to stop the message from appearing. Make it reference itself to stop picky
  25 compilers complaining that it is unused, and put in a dummy argument to stop
  26 even pickier compilers complaining about infinite loops. */
  27
  28 static void dummy(int x) { dummy(x-1); }
  29
  30
  31 /* Generic options for auths, all of which live inside auth_instance
  32 data blocks and hence have the opt_public flag set. */
  33
  34 optionlist optionlist_auths[] = {
  35   { "driver",        opt_stringptr | opt_public,
  36                  (void *)(offsetof(auth_instance, driver_name)) },
  37   { "public_name",   opt_stringptr | opt_public,
  38                  (void *)(offsetof(auth_instance, public_name)) },
  39   { "server_advertise_condition", opt_stringptr | opt_public,
  40                  (void *)(offsetof(auth_instance, advertise_condition))},
  41   { "server_condition", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, server_condition)) },
  43   { "server_debug_print", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, server_debug_string)) },
  45   { "server_mail_auth_condition", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  47   { "server_set_id", opt_stringptr | opt_public,
  48                  (void *)(offsetof(auth_instance, set_id)) }
  49 };
  50
  51 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  52
  53 /* An empty host aliases list. */
  54
  55 uschar *no_aliases             = NULL;
  56
  57
  58 /* For comments on these variables, see globals.h. I'm too idle to
  59 duplicate them here... */
  60
  61 #ifdef EXIM_PERL
  62 uschar *opt_perl_startup       = NULL;
  63 BOOL    opt_perl_at_start      = FALSE;
  64 BOOL    opt_perl_started       = FALSE;
  65 #endif
  66
  67 #ifdef EXPAND_DLFUNC
  68 tree_node *dlobj_anchor        = NULL;
  69 #endif
  70
  71 #ifdef LOOKUP_IBASE
  72 uschar *ibase_servers          = NULL;
  73 #endif
  74
  75 #ifdef LOOKUP_LDAP
  76 uschar *eldap_default_servers  = NULL;
  77 int     eldap_version          = -1;
  78 #endif
  79
  80 #ifdef LOOKUP_MYSQL
  81 uschar *mysql_servers          = NULL;
  82 #endif
  83
  84 #ifdef LOOKUP_ORACLE
  85 uschar *oracle_servers         = NULL;
  86 #endif
  87
  88 #ifdef LOOKUP_PGSQL
  89 uschar *pgsql_servers          = NULL;
  90 #endif
  91
  92 #ifdef LOOKUP_SQLITE
  93 int     sqlite_lock_timeout    = 5;
  94 #endif
  95
  96 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  97 BOOL    move_frozen_messages   = FALSE;
  98 #endif
  99
 100 /* These variables are outside the #ifdef because it keeps the code less
 101 cluttered in several places (e.g. during logging) if we can always refer to
 102 them. Also, the tls_ variables are now always visible. */
 103
 104 BOOL    tls_active             = -1;
 105 BOOL    tls_certificate_verified = FALSE;
 106 uschar *tls_cipher             = NULL;
 107 BOOL    tls_on_connect         = FALSE;
 108 uschar *tls_on_connect_ports   = NULL;
 109 uschar *tls_peerdn             = NULL;
 110
 111 #ifdef SUPPORT_TLS
 112 const pcre *regex_STARTTLS     = NULL;
 113 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 114 uschar *tls_certificate        = NULL;
 115 uschar *tls_crl                = NULL;
 116 uschar *tls_dhparam            = NULL;
 117 BOOL    tls_offered            = FALSE;
 118 uschar *tls_privatekey         = NULL;
 119 BOOL    tls_remember_esmtp     = FALSE;
 120 uschar *tls_require_ciphers    = NULL;
 121 uschar *tls_try_verify_hosts   = NULL;
 122 uschar *tls_verify_certificates= NULL;
 123 uschar *tls_verify_hosts       = NULL;
 124 #endif
 125
 126
 127 /* Input-reading functions for messages, so we can use special ones for
 128 incoming TCP/IP. The defaults use stdin. We never need these for any
 129 stand-alone tests. */
 130
 131 #ifndef STAND_ALONE
 132 int (*receive_getc)(void)      = stdin_getc;
 133 int (*receive_ungetc)(int)     = stdin_ungetc;
 134 int (*receive_feof)(void)      = stdin_feof;
 135 int (*receive_ferror)(void)    = stdin_ferror;
 136 #endif
 137
 138
 139 /* List of per-address expansion variables for clearing and saving/restoring
 140 when verifying one address while routing/verifying another. We have to have
 141 the size explicit, because it is referenced from more than one module. */
 142
 143 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 144   &deliver_address_data,
 145   &deliver_domain,
 146   &deliver_domain_data,
 147   &deliver_domain_orig,
 148   &deliver_domain_parent,
 149   &deliver_localpart,
 150   &deliver_localpart_data,
 151   &deliver_localpart_orig,
 152   &deliver_localpart_parent,
 153   &deliver_localpart_prefix,
 154   &deliver_localpart_suffix,
 155   (uschar **)(&deliver_recipients),
 156   &deliver_host,
 157   &deliver_home,
 158   &address_file,
 159   &address_pipe,
 160   &self_hostname,
 161   NULL };
 162
 163 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 164
 165 /* General global variables */
 166
 167 header_line *acl_added_headers = NULL;
 168 tree_node *acl_anchor          = NULL;
 169 uschar *acl_not_smtp           = NULL;
 170 #ifdef WITH_CONTENT_SCAN
 171 uschar *acl_not_smtp_mime      = NULL;
 172 #endif
 173 uschar *acl_not_smtp_start     = NULL;
 174 uschar *acl_smtp_auth          = NULL;
 175 uschar *acl_smtp_connect       = NULL;
 176 uschar *acl_smtp_data          = NULL;
 177 uschar *acl_smtp_etrn          = NULL;
 178 uschar *acl_smtp_expn          = NULL;
 179 uschar *acl_smtp_helo          = NULL;
 180 uschar *acl_smtp_mail          = NULL;
 181 uschar *acl_smtp_mailauth      = NULL;
 182 #ifdef WITH_CONTENT_SCAN
 183 uschar *acl_smtp_mime          = NULL;
 184 #endif
 185 uschar *acl_smtp_predata       = NULL;
 186 uschar *acl_smtp_quit          = NULL;
 187 uschar *acl_smtp_rcpt          = NULL;
 188 uschar *acl_smtp_starttls      = NULL;
 189 uschar *acl_smtp_vrfy          = NULL;
 190 BOOL    acl_temp_details       = FALSE;
 191 tree_node *acl_var_c           = NULL;
 192 tree_node *acl_var_m           = NULL;
 193 uschar *acl_verify_message     = NULL;
 194 string_item *acl_warn_logged   = NULL;
 195
 196 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 197 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 198
 199 uschar *acl_wherenames[]       = { US"RCPT",
 200                                    US"MAIL",
 201                                    US"PREDATA",
 202                                    US"MIME",
 203                                    US"DATA",
 204                                    US"non-SMTP",
 205                                    US"AUTH",
 206                                    US"connection",
 207                                    US"ETRN",
 208                                    US"EXPN",
 209                                    US"EHLO or HELO",
 210                                    US"MAILAUTH",
 211                                    US"non-SMTP-start",
 212                                    US"QUIT",
 213                                    US"STARTTLS",
 214                                    US"VRFY"
 215                                  };
 216
 217 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 218                                    US"550",     /* MAIL */
 219                                    US"550",     /* PREDATA */
 220                                    US"550",     /* MIME */
 221                                    US"550",     /* DATA */
 222                                    US"0",       /* not SMTP; not relevant */
 223                                    US"503",     /* AUTH */
 224                                    US"550",     /* connect */
 225                                    US"458",     /* ETRN */
 226                                    US"550",     /* EXPN */
 227                                    US"550",     /* HELO/EHLO */
 228                                    US"0",       /* MAILAUTH; not relevant */
 229                                    US"0",       /* not SMTP; not relevant */
 230                                    US"0",       /* QUIT; not relevant */
 231                                    US"550",     /* STARTTLS */
 232                                    US"252"      /* VRFY */
 233                                  };
 234
 235 BOOL    active_local_from_check = FALSE;
 236 BOOL    active_local_sender_retain = FALSE;
 237 BOOL    accept_8bitmime        = FALSE;
 238 address_item  *addr_duplicate  = NULL;
 239
 240 address_item address_defaults = {
 241   NULL,                 /* next */
 242   NULL,                 /* parent */
 243   NULL,                 /* first */
 244   NULL,                 /* dupof */
 245   NULL,                 /* start_router */
 246   NULL,                 /* router */
 247   NULL,                 /* transport */
 248   NULL,                 /* host_list */
 249   NULL,                 /* host_used */
 250   NULL,                 /* fallback_hosts */
 251   NULL,                 /* reply */
 252   NULL,                 /* retries */
 253   NULL,                 /* address */
 254   NULL,                 /* unique */
 255   NULL,                 /* cc_local_part */
 256   NULL,                 /* lc_local_part */
 257   NULL,                 /* local_part */
 258   NULL,                 /* prefix */
 259   NULL,                 /* suffix */
 260   NULL,                 /* domain */
 261   NULL,                 /* address_retry_key */
 262   NULL,                 /* domain_retry_key */
 263   NULL,                 /* current_dir */
 264   NULL,                 /* home_dir */
 265   NULL,                 /* message */
 266   NULL,                 /* user_message */
 267   NULL,                 /* onetime_parent */
 268   NULL,                 /* pipe_expandn */
 269   NULL,                 /* return_filename */
 270   NULL,                 /* self_hostname */
 271   NULL,                 /* shadow_message */
 272   #ifdef SUPPORT_TLS
 273   NULL,                 /* cipher */
 274   NULL,                 /* peerdn */
 275   #endif
 276   (uid_t)(-1),          /* uid */
 277   (gid_t)(-1),          /* gid */
 278   0,                    /* flags */
 279   { 0 },                /* domain_cache - any larger array should be zeroed */
 280   { 0 },                /* localpart_cache - ditto */
 281   -1,                   /* mode */
 282   0,                    /* more_errno */
 283   ERRNO_UNKNOWNERROR,   /* basic_errno */
 284   0,                    /* child_count */
 285   -1,                   /* return_file */
 286   SPECIAL_NONE,         /* special_action */
 287   DEFER,                /* transport_return */
 288   {                     /* fields that are propagated to children */
 289     NULL,               /* address_data */
 290     NULL,               /* domain_data */
 291     NULL,               /* localpart_data */
 292     NULL,               /* errors_address */
 293     NULL,               /* extra_headers */
 294     NULL,               /* remove_headers */
 295 #ifdef EXPERIMENTAL_SRS
 296     NULL,               /* srs_sender */
 297 #endif
 298   }
 299 };
 300
 301 uschar *address_file           = NULL;
 302 uschar *address_pipe           = NULL;
 303 BOOL    address_test_mode      = FALSE;
 304 tree_node *addresslist_anchor  = NULL;
 305 int     addresslist_count      = 0;
 306 gid_t  *admin_groups           = NULL;
 307 BOOL    admin_user             = FALSE;
 308 BOOL    allow_auth_unadvertised= FALSE;
 309 BOOL    allow_domain_literals  = FALSE;
 310 BOOL    allow_mx_to_ip         = FALSE;
 311 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 312 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 313 BOOL    allow_utf8_domains     = FALSE;
 314 uschar *authenticated_id       = NULL;
 315 uschar *authenticated_sender   = NULL;
 316 BOOL    authentication_failed  = FALSE;
 317 auth_instance  *auths          = NULL;
 318 uschar *auth_advertise_hosts   = US"*";
 319 auth_instance auth_defaults    = {
 320     NULL,                      /* chain pointer */
 321     NULL,                      /* name */
 322     NULL,                      /* info */
 323     NULL,                      /* private options block pointer */
 324     NULL,                      /* driver_name */
 325     NULL,                      /* advertise_condition */
 326     NULL,                      /* public_name */
 327     NULL,                      /* set_id */
 328     NULL,                      /* server_mail_auth_condition */
 329     NULL,                      /* server_debug_string */
 330     NULL,                      /* server_condition */
 331     FALSE,                     /* client */
 332     FALSE,                     /* server */
 333     FALSE                      /* advertised */
 334 };
 335
 336 uschar *auth_defer_msg         = US"reason not recorded";
 337 uschar *auth_defer_user_msg    = US"";
 338 uschar *auth_vars[AUTH_VARS];
 339 int     auto_thaw              = 0;
 340 #ifdef WITH_CONTENT_SCAN
 341 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 342 #endif
 343
 344 BOOL    background_daemon      = TRUE;
 345
 346 #if BASE_62 == 62
 347 uschar *base62_chars=
 348     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 349 #else
 350 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 351 #endif
 352
 353 uschar *bi_command             = NULL;
 354 uschar *big_buffer             = NULL;
 355 int     big_buffer_size        = BIG_BUFFER_SIZE;
 356 #ifdef EXPERIMENTAL_BRIGHTMAIL
 357 uschar *bmi_alt_location       = NULL;
 358 uschar *bmi_base64_tracker_verdict = NULL;
 359 uschar *bmi_base64_verdict     = NULL;
 360 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 361 int     bmi_deliver            = 1;
 362 int     bmi_run                = 0;
 363 uschar *bmi_verdicts           = NULL;
 364 #endif
 365 int     body_linecount         = 0;
 366 int     body_zerocount         = 0;
 367 uschar *bounce_message_file    = NULL;
 368 uschar *bounce_message_text    = NULL;
 369 uschar *bounce_recipient       = NULL;
 370 BOOL    bounce_return_body     = TRUE;
 371 BOOL    bounce_return_message  = TRUE;
 372 int     bounce_return_size_limit = 100*1024;
 373 uschar *bounce_sender_authentication = NULL;
 374 int     bsmtp_transaction_linecount = 0;
 375
 376 int     callout_cache_domain_positive_expire = 7*24*60*60;
 377 int     callout_cache_domain_negative_expire = 3*60*60;
 378 int     callout_cache_positive_expire = 24*60*60;
 379 int     callout_cache_negative_expire = 2*60*60;
 380 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 381 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
 382 int     check_log_inodes       = 0;
 383 int     check_log_space        = 0;
 384 BOOL    check_rfc2047_length   = TRUE;
 385 int     check_spool_inodes     = 0;
 386 int     check_spool_space      = 0;
 387 int     clmacro_count          = 0;
 388 uschar *clmacros[MAX_CLMACROS];
 389 BOOL    config_changed         = FALSE;
 390 FILE   *config_file            = NULL;
 391 uschar *config_filename        = NULL;
 392 int     config_lineno          = 0;
 393 #ifdef CONFIGURE_GROUP
 394 gid_t   config_gid             = CONFIGURE_GROUP;
 395 #endif
 396 uschar *config_main_filelist   = US CONFIGURE_FILE
 397                          "\0<-----------Space to patch configure_filename->";
 398 uschar *config_main_filename   = NULL;
 399
 400 #ifdef CONFIGURE_OWNER
 401 uid_t   config_uid             = CONFIGURE_OWNER;
 402 #endif
 403
 404 int     connection_max_messages= -1;
 405 uschar *continue_hostname      = NULL;
 406 uschar *continue_host_address  = NULL;
 407 BOOL    continue_more          = FALSE;
 408 int     continue_sequence      = 1;
 409 uschar *continue_transport     = NULL;
 410
 411 uschar *csa_status             = NULL;
 412
 413 BOOL    daemon_listen          = FALSE;
 414 uschar *daemon_smtp_port       = US"smtp";
 415 int     daemon_startup_retries = 9;
 416 int     daemon_startup_sleep   = 30;
 417 BOOL    debug_daemon           = FALSE;
 418 int     debug_fd               = -1;
 419 FILE   *debug_file             = NULL;
 420 bit_table debug_options[]      = {
 421   { US"acl",            D_acl },
 422   { US"all",            D_all },
 423   { US"auth",           D_auth },
 424   { US"deliver",        D_deliver },
 425   { US"dns",            D_dns },
 426   { US"dnsbl",          D_dnsbl },
 427   { US"exec",           D_exec },
 428   { US"expand",         D_expand },
 429   { US"filter",         D_filter },
 430   { US"hints_lookup",   D_hints_lookup },
 431   { US"host_lookup",    D_host_lookup },
 432   { US"ident",          D_ident },
 433   { US"interface",      D_interface },
 434   { US"lists",          D_lists },
 435   { US"load",           D_load },
 436   { US"local_scan",     D_local_scan },
 437   { US"lookup",         D_lookup },
 438   { US"memory",         D_memory },
 439   { US"pid",            D_pid },
 440   { US"process_info",   D_process_info },
 441   { US"queue_run",      D_queue_run },
 442   { US"receive",        D_receive },
 443   { US"resolver",       D_resolver },
 444   { US"retry",          D_retry },
 445   { US"rewrite",        D_rewrite },
 446   { US"route",          D_route },
 447   { US"timestamp",      D_timestamp },
 448   { US"tls",            D_tls },
 449   { US"transport",      D_transport },
 450   { US"uid",            D_uid },
 451   { US"verify",         D_verify }
 452 };
 453 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 454 unsigned int debug_selector    = 0;
 455 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 456 uschar *delay_warning_condition=
 457   US"${if or {"
 458             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 459             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 460             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 461             "} {no}{yes}}";
 462 BOOL    delivery_date_remove   = TRUE;
 463 uschar *deliver_address_data   = NULL;
 464 int     deliver_datafile       = -1;
 465 uschar *deliver_domain         = NULL;
 466 uschar *deliver_domain_data    = NULL;
 467 uschar *deliver_domain_orig    = NULL;
 468 uschar *deliver_domain_parent  = NULL;
 469 BOOL    deliver_drop_privilege = FALSE;
 470 BOOL    deliver_firsttime      = FALSE;
 471 BOOL    deliver_force          = FALSE;
 472 BOOL    deliver_freeze         = FALSE;
 473 int     deliver_frozen_at      = 0;
 474 uschar *deliver_home           = NULL;
 475 uschar *deliver_host           = NULL;
 476 uschar *deliver_host_address   = NULL;
 477 uschar *deliver_in_buffer      = NULL;
 478 ino_t   deliver_inode          = 0;
 479 uschar *deliver_localpart      = NULL;
 480 uschar *deliver_localpart_data = NULL;
 481 uschar *deliver_localpart_orig = NULL;
 482 uschar *deliver_localpart_parent = NULL;
 483 uschar *deliver_localpart_prefix = NULL;
 484 uschar *deliver_localpart_suffix = NULL;
 485 BOOL    deliver_force_thaw     = FALSE;
 486 BOOL    deliver_manual_thaw    = FALSE;
 487 uschar *deliver_out_buffer     = NULL;
 488 int     deliver_queue_load_max = -1;
 489 address_item  *deliver_recipients = NULL;
 490 uschar *deliver_selectstring   = NULL;
 491 BOOL    deliver_selectstring_regex = FALSE;
 492 uschar *deliver_selectstring_sender = NULL;
 493 BOOL    deliver_selectstring_sender_regex = FALSE;
 494 #ifdef WITH_OLD_DEMIME
 495 int     demime_errorlevel      = 0;
 496 int     demime_ok              = 0;
 497 uschar *demime_reason          = NULL;
 498 #endif
 499 BOOL    disable_ipv6           = FALSE;
 500 BOOL    disable_logging        = FALSE;
 501
 502 #ifdef EXPERIMENTAL_DOMAINKEYS
 503 uschar *dk_signing_domain      = NULL;
 504 uschar *dk_signing_selector    = NULL;
 505 int     dk_do_verify           = 0;
 506 #endif
 507
 508 uschar *dns_again_means_nonexist = NULL;
 509 int     dns_csa_search_limit   = 5;
 510 BOOL    dns_csa_use_reverse    = TRUE;
 511 uschar *dns_ipv4_lookup        = NULL;
 512 int     dns_retrans            = 0;
 513 int     dns_retry              = 0;
 514 uschar *dnslist_domain         = NULL;
 515 uschar *dnslist_text           = NULL;
 516 uschar *dnslist_value          = NULL;
 517 tree_node *domainlist_anchor   = NULL;
 518 int     domainlist_count       = 0;
 519 BOOL    dont_deliver           = FALSE;
 520 BOOL    dot_ends               = TRUE;
 521 BOOL    drop_cr                = FALSE;         /* No longer used */
 522
 523 BOOL    enable_dollar_recipients = FALSE;
 524 BOOL    envelope_to_remove     = TRUE;
 525 int     errno_quota            = ERRNO_QUOTA;
 526 uschar *errors_copy            = NULL;
 527 int     error_handling         = ERRORS_SENDER;
 528 uschar *errors_reply_to        = NULL;
 529 int     errors_sender_rc       = EXIT_FAILURE;
 530
 531 gid_t   exim_gid               = EXIM_GID;
 532 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 533 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 534                         "\0<---------------Space to patch exim_path->";
 535 uid_t   exim_uid               = EXIM_UID;
 536 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 537 int     expand_forbid          = 0;
 538 int     expand_nlength[EXPAND_MAXN+1];
 539 int     expand_nmax            = -1;
 540 uschar *expand_nstring[EXPAND_MAXN+1];
 541 BOOL    expand_string_forcedfail = FALSE;
 542 uschar *expand_string_message;
 543 BOOL    extract_addresses_remove_arguments = TRUE;
 544 uschar *extra_local_interfaces = NULL;
 545
 546 int     fake_response          = OK;
 547 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).";
 548 int     filter_n[FILTER_VARIABLE_COUNT];
 549 BOOL    filter_running         = FALSE;
 550 int     filter_sn[FILTER_VARIABLE_COUNT];
 551 int     filter_test            = FTEST_NONE;
 552 uschar *filter_test_sfile      = NULL;
 553 uschar *filter_test_ufile      = NULL;
 554 uschar *filter_thisaddress     = NULL;
 555 int     finduser_retries       = 0;
 556 #ifdef WITH_OLD_DEMIME
 557 uschar *found_extension        = NULL;
 558 #endif
 559 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 560 uschar *freeze_tell            = NULL;
 561 uschar *freeze_tell_config     = NULL;
 562 uschar *fudged_queue_times     = US"";
 563
 564 uschar *gecos_name             = NULL;
 565 uschar *gecos_pattern          = NULL;
 566 rewrite_rule  *global_rewrite_rules = NULL;
 567
 568 uschar *headers_charset        = US HEADERS_CHARSET;
 569 int     header_insert_maxlen   = 64 * 1024;
 570 header_line  *header_last      = NULL;
 571 header_line  *header_list      = NULL;
 572 int     header_maxsize         = HEADER_MAXSIZE;
 573 int     header_line_maxsize    = 0;
 574
 575 header_name header_names[] = {
 576   { US"bcc",            3, TRUE,  htype_bcc },
 577   { US"cc",             2, TRUE,  htype_cc },
 578   { US"date",           4, TRUE,  htype_date },
 579   { US"delivery-date", 13, FALSE, htype_delivery_date },
 580   { US"envelope-to",   11, FALSE, htype_envelope_to },
 581   { US"from",           4, TRUE,  htype_from },
 582   { US"message-id",    10, TRUE,  htype_id },
 583   { US"received",       8, FALSE, htype_received },
 584   { US"reply-to",       8, FALSE, htype_reply_to },
 585   { US"return-path",   11, FALSE, htype_return_path },
 586   { US"sender",         6, TRUE,  htype_sender },
 587   { US"subject",        7, FALSE, htype_subject },
 588   { US"to",             2, TRUE,  htype_to }
 589 };
 590
 591 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 592
 593 BOOL    header_rewritten       = FALSE;
 594 uschar *helo_accept_junk_hosts = NULL;
 595 uschar *helo_allow_chars       = US"";
 596 uschar *helo_lookup_domains    = US"@ : @[]";
 597 uschar *helo_try_verify_hosts  = NULL;
 598 BOOL    helo_verified          = FALSE;
 599 BOOL    helo_verify_failed     = FALSE;
 600 uschar *helo_verify_hosts      = NULL;
 601 uschar *hex_digits             = US"0123456789abcdef";
 602 uschar *hold_domains           = NULL;
 603 BOOL    host_checking          = FALSE;
 604 BOOL    host_checking_callout  = FALSE;
 605 uschar *host_data              = NULL;
 606 BOOL    host_find_failed_syntax= FALSE;
 607 uschar *host_lookup            = NULL;
 608 BOOL    host_lookup_deferred   = FALSE;
 609 BOOL    host_lookup_failed     = FALSE;
 610 uschar *host_lookup_order      = US"bydns:byaddr";
 611 uschar *host_lookup_msg        = US"";
 612 int     host_number            = 0;
 613 uschar *host_number_string     = NULL;
 614 uschar *host_reject_connection = NULL;
 615 tree_node *hostlist_anchor     = NULL;
 616 int     hostlist_count         = 0;
 617 uschar *hosts_treat_as_local   = NULL;
 618 uschar *hosts_connection_nolog = NULL;
 619
 620 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 621 BOOL    ignore_fromline_local  = FALSE;
 622 uschar *ignore_fromline_hosts  = NULL;
 623 uschar *interface_address      = NULL;
 624 int     interface_port         = -1;
 625 BOOL    is_inetd               = FALSE;
 626
 627 int     journal_fd             = -1;
 628
 629 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 630
 631 uschar *eldap_dn               = NULL;
 632 int     load_average           = -2;
 633 BOOL    local_error_message    = FALSE;
 634 BOOL    local_from_check       = TRUE;
 635 uschar *local_from_prefix      = NULL;
 636 uschar *local_from_suffix      = NULL;
 637
 638 #if HAVE_IPV6
 639 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 640 #else
 641 uschar *local_interfaces       = US"0.0.0.0";
 642 #endif
 643
 644 uschar *local_scan_data        = NULL;
 645 int     local_scan_timeout     = 5*60;
 646 BOOL    local_sender_retain    = FALSE;
 647 gid_t   local_user_gid         = (gid_t)(-1);
 648 uid_t   local_user_uid         = (uid_t)(-1);
 649
 650 tree_node *localpartlist_anchor= NULL;
 651 int     localpartlist_count    = 0;
 652 uschar *log_buffer             = NULL;
 653 unsigned int log_extra_selector = LX_default;
 654 uschar *log_file_path          = US LOG_FILE_PATH
 655                            "\0<--------------Space to patch log_file_path->";
 656
 657 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 658 are the ones that get put into log_write_selector. They can be used in calls to
 659 log_write() to test for the bit. The options with LX_xxx identifiers have
 660 values greater than 0x80000000 and are put int log_extra_selector (without the
 661 top bit). They are never used in calls to log_write(), but are tested
 662 independently. This separation became necessary when the number of log
 663 selectors was getting close to filling a 32-bit word. */
 664
 665 bit_table log_options[]        = {
 666   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 667   { US"address_rewrite",              L_address_rewrite },
 668   { US"all",                          L_all },
 669   { US"all_parents",                  L_all_parents },
 670   { US"arguments",                    LX_arguments },
 671   { US"connection_reject",            L_connection_reject },
 672   { US"delay_delivery",               L_delay_delivery },
 673   { US"deliver_time",                 LX_deliver_time },
 674   { US"delivery_size",                LX_delivery_size },
 675   { US"dnslist_defer",                L_dnslist_defer },
 676   { US"etrn",                         L_etrn },
 677   { US"host_lookup_failed",           L_host_lookup_failed },
 678   { US"ident_timeout",                LX_ident_timeout },
 679   { US"incoming_interface",           LX_incoming_interface },
 680   { US"incoming_port",                LX_incoming_port },
 681   { US"lost_incoming_connection",     L_lost_incoming_connection },
 682   { US"outgoing_port",                LX_outgoing_port },
 683   { US"queue_run",                    L_queue_run },
 684   { US"queue_time",                   LX_queue_time },
 685   { US"queue_time_overall",           LX_queue_time_overall },
 686   { US"received_recipients",          LX_received_recipients },
 687   { US"received_sender",              LX_received_sender },
 688   { US"rejected_header",              LX_rejected_header },
 689   { US"rejected_headers",             LX_rejected_header },
 690   { US"retry_defer",                  L_retry_defer },
 691   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 692   { US"sender_on_delivery",           LX_sender_on_delivery },
 693   { US"sender_verify_fail",           LX_sender_verify_fail },
 694   { US"size_reject",                  L_size_reject },
 695   { US"skip_delivery",                L_skip_delivery },
 696   { US"smtp_confirmation",            LX_smtp_confirmation },
 697   { US"smtp_connection",              L_smtp_connection },
 698   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 699   { US"smtp_no_mail",                 LX_smtp_no_mail },
 700   { US"smtp_protocol_error",          L_smtp_protocol_error },
 701   { US"smtp_syntax_error",            L_smtp_syntax_error },
 702   { US"subject",                      LX_subject },
 703   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 704   { US"tls_cipher",                   LX_tls_cipher },
 705   { US"tls_peerdn",                   LX_tls_peerdn },
 706   { US"unknown_in_list",              LX_unknown_in_list }
 707 };
 708
 709 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 710 int     log_reject_target      = 0;
 711 uschar *log_selector_string    = NULL;
 712 FILE   *log_stderr             = NULL;
 713 BOOL    log_testing_mode       = FALSE;
 714 BOOL    log_timezone           = FALSE;
 715 unsigned int log_write_selector= L_default;
 716 uschar *login_sender_address   = NULL;
 717 int     lookup_open_max        = 25;
 718 uschar *lookup_value           = NULL;
 719
 720 macro_item  *macros            = NULL;
 721 uschar *mailstore_basename     = NULL;
 722 #ifdef WITH_CONTENT_SCAN
 723 uschar *malware_name           = NULL;  /* Virus Name */
 724 #endif
 725 int     max_username_length    = 0;
 726 int     message_age            = 0;
 727 uschar *message_body           = NULL;
 728 uschar *message_body_end       = NULL;
 729 int     message_body_size      = 0;
 730 int     message_body_visible   = 500;
 731 int     message_ended          = END_NOTSTARTED;
 732 uschar *message_headers        = NULL;
 733 uschar *message_id;
 734 uschar *message_id_domain      = NULL;
 735 uschar *message_id_text        = NULL;
 736 struct timeval message_id_tv   = { 0, 0 };
 737 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 738 uschar *message_id_external;
 739 int     message_linecount      = 0;
 740 BOOL    message_logs           = TRUE;
 741 int     message_size           = 0;
 742 uschar *message_size_limit     = US"50M";
 743 uschar  message_subdir[2]      = { 0, 0 };
 744 uschar *message_reference      = NULL;
 745
 746 /* MIME ACL expandables */
 747 #ifdef WITH_CONTENT_SCAN
 748 int     mime_anomaly_level     = 0;
 749 uschar *mime_anomaly_text      = NULL;
 750 uschar *mime_boundary          = NULL;
 751 uschar *mime_charset           = NULL;
 752 uschar *mime_content_description = NULL;
 753 uschar *mime_content_disposition = NULL;
 754 uschar *mime_content_id        = NULL;
 755 unsigned int mime_content_size = 0;
 756 uschar *mime_content_transfer_encoding = NULL;
 757 uschar *mime_content_type      = NULL;
 758 uschar *mime_decoded_filename  = NULL;
 759 uschar *mime_filename          = NULL;
 760 int     mime_is_multipart      = 0;
 761 int     mime_is_coverletter    = 0;
 762 int     mime_is_rfc822         = 0;
 763 int     mime_part_count        = -1;
 764 #endif
 765
 766 BOOL    mua_wrapper            = FALSE;
 767
 768 uid_t  *never_users            = NULL;
 769 #ifdef WITH_CONTENT_SCAN
 770 BOOL    no_mbox_unspool        = FALSE;
 771 #endif
 772 BOOL    no_multiline_responses = FALSE;
 773
 774 uid_t   original_euid;
 775 gid_t   originator_gid;
 776 uschar *originator_login       = NULL;
 777 uschar *originator_name        = NULL;
 778 uid_t   originator_uid;
 779 uschar *override_local_interfaces = NULL;
 780 uschar *override_pid_file_path = NULL;
 781
 782 BOOL    parse_allow_group      = FALSE;
 783 BOOL    parse_found_group      = FALSE;
 784 uschar *percent_hack_domains   = NULL;
 785 uschar *pid_file_path          = US PID_FILE_PATH
 786                            "\0<--------------Space to patch pid_file_path->";
 787 uschar *pipelining_advertise_hosts = US"*";
 788 BOOL    preserve_message_logs  = FALSE;
 789 uschar *primary_hostname       = NULL;
 790 BOOL    print_topbitchars      = FALSE;
 791 uschar  process_info[PROCESS_INFO_SIZE];
 792 uschar *process_log_path       = NULL;
 793 BOOL    prod_requires_admin    = TRUE;
 794 uschar *prvscheck_address      = NULL;
 795 uschar *prvscheck_keynum       = NULL;
 796 uschar *prvscheck_result       = NULL;
 797
 798
 799 uschar *qualify_domain_recipient = NULL;
 800 uschar *qualify_domain_sender  = NULL;
 801 BOOL    queue_2stage           = FALSE;
 802 uschar *queue_domains          = NULL;
 803 int     queue_interval         = -1;
 804 BOOL    queue_list_requires_admin = TRUE;
 805 BOOL    queue_only             = FALSE;
 806 uschar *queue_only_file        = NULL;
 807 int     queue_only_load        = -1;
 808 BOOL    queue_only_override    = TRUE;
 809 BOOL    queue_only_policy      = FALSE;
 810 BOOL    queue_run_first_delivery = FALSE;
 811 BOOL    queue_run_force        = FALSE;
 812 BOOL    queue_run_in_order     = FALSE;
 813 BOOL    queue_run_local        = FALSE;
 814 int     queue_run_max          = 5;
 815 pid_t   queue_run_pid          = (pid_t)0;
 816 int     queue_run_pipe         = -1;
 817 BOOL    queue_running          = FALSE;
 818 BOOL    queue_smtp             = FALSE;
 819 uschar *queue_smtp_domains     = NULL;
 820
 821 unsigned int random_seed       = 0;
 822 tree_node *ratelimiters_cmd    = NULL;
 823 tree_node *ratelimiters_conn   = NULL;
 824 tree_node *ratelimiters_mail   = NULL;
 825 uschar *raw_active_hostname    = NULL;
 826 uschar *raw_sender             = NULL;
 827 uschar **raw_recipients        = NULL;
 828 int     raw_recipients_count   = 0;
 829
 830 int     rcpt_count             = 0;
 831 int     rcpt_fail_count        = 0;
 832 int     rcpt_defer_count       = 0;
 833 gid_t   real_gid;
 834 uid_t   real_uid;
 835 BOOL    really_exim            = TRUE;
 836 BOOL    receive_call_bombout   = FALSE;
 837 int     receive_linecount      = 0;
 838 int     receive_messagecount   = 0;
 839 int     receive_timeout        = 0;
 840 int     received_count         = 0;
 841 uschar *received_for           = NULL;
 842
 843 /*  This is the default text for Received headers generated by Exim. The
 844 date  will be automatically added on the end. */
 845
 846 uschar *received_header_text   = US
 847      "Received: "
 848      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 849      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 850      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 851      "by $primary_hostname "
 852      "${if def:received_protocol {with $received_protocol}} "
 853      #ifdef SUPPORT_TLS
 854      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 855      #endif
 856      "(Exim $version_number)\n\t"
 857      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 858      "id $message_exim_id"
 859      "${if def:received_for {\n\tfor $received_for}}"
 860      "\0<---------------Space to patch received_header_text->";
 861
 862 int     received_headers_max   = 30;
 863 uschar *received_protocol      = NULL;
 864 int     received_time          = 0;
 865 uschar *recipient_data         = NULL;
 866 uschar *recipient_unqualified_hosts = NULL;
 867 uschar *recipient_verify_failure = NULL;
 868 int     recipients_count       = 0;
 869 BOOL    recipients_discarded   = FALSE;
 870 recipient_item  *recipients_list = NULL;
 871 int     recipients_list_max    = 0;
 872 int     recipients_max         = 0;
 873 BOOL    recipients_max_reject  = FALSE;
 874 const pcre *regex_AUTH         = NULL;
 875 const pcre *regex_check_dns_names = NULL;
 876 const pcre *regex_From         = NULL;
 877 const pcre *regex_IGNOREQUOTA  = NULL;
 878 const pcre *regex_PIPELINING   = NULL;
 879 const pcre *regex_SIZE         = NULL;
 880 const pcre *regex_smtp_code    = NULL;
 881 const pcre *regex_ismsgid      = NULL;
 882 #ifdef WITH_CONTENT_SCAN
 883 uschar *regex_match_string     = NULL;
 884 #endif
 885 int     remote_delivery_count  = 0;
 886 int     remote_max_parallel    = 2;
 887 uschar *remote_sort_domains    = NULL;
 888 int     retry_data_expire      = 7*24*60*60;
 889 int     retry_interval_max     = 24*60*60;
 890 int     retry_maximum_timeout  = 0;        /* set from retry config */
 891 retry_config  *retries         = NULL;
 892 uschar *return_path            = NULL;
 893 BOOL    return_path_remove     = TRUE;
 894 int     rewrite_existflags     = 0;
 895 uschar *rfc1413_hosts          = US"*";
 896 int     rfc1413_query_timeout  = 5;
 897 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 898 uid_t   root_uid               = ROOT_UID;
 899
 900 router_instance  *routers  = NULL;
 901 router_instance  router_defaults = {
 902     NULL,                      /* chain pointer */
 903     NULL,                      /* name */
 904     NULL,                      /* info */
 905     NULL,                      /* private options block pointer */
 906     NULL,                      /* driver name */
 907
 908     NULL,                      /* address_data */
 909 #ifdef EXPERIMENTAL_BRIGHTMAIL
 910     NULL,                      /* bmi_rule */
 911 #endif
 912     NULL,                      /* cannot_route_message */
 913     NULL,                      /* condition */
 914     NULL,                      /* current_directory */
 915     NULL,                      /* debug_string */
 916     NULL,                      /* domains */
 917     NULL,                      /* errors_to */
 918     NULL,                      /* expand_gid */
 919     NULL,                      /* expand_uid */
 920     NULL,                      /* expand_more */
 921     NULL,                      /* expand_unseen */
 922     NULL,                      /* extra_headers */
 923     NULL,                      /* fallback_hosts */
 924     NULL,                      /* home_directory */
 925     NULL,                      /* ignore_target_hosts */
 926     NULL,                      /* local_parts */
 927     NULL,                      /* pass_router_name */
 928     NULL,                      /* prefix */
 929     NULL,                      /* redirect_router_name */
 930     NULL,                      /* remove_headers */
 931     NULL,                      /* require_files */
 932     NULL,                      /* router_home_directory */
 933     US"freeze",                /* self */
 934     NULL,                      /* senders */
 935     NULL,                      /* suffix */
 936     NULL,                      /* translate_ip_address */
 937     NULL,                      /* transport_name */
 938
 939     TRUE,                      /* address_test */
 940 #ifdef EXPERIMENTAL_BRIGHTMAIL
 941     FALSE,                     /* bmi_deliver_alternate */
 942     FALSE,                     /* bmi_deliver_default */
 943     FALSE,                     /* bmi_dont_deliver */
 944 #endif
 945     TRUE,                      /* expn */
 946     FALSE,                     /* caseful_local_part */
 947     FALSE,                     /* check_local_user */
 948     FALSE,                     /* disable_logging */
 949     FALSE,                     /* fail_verify_recipient */
 950     FALSE,                     /* fail_verify_sender */
 951     FALSE,                     /* gid_set */
 952     FALSE,                     /* initgroups */
 953     TRUE_UNSET,                /* log_as_local */
 954     TRUE,                      /* more */
 955     FALSE,                     /* pass_on_timeout */
 956     FALSE,                     /* prefix_optional */
 957     TRUE,                      /* repeat_use */
 958     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 959     FALSE,                     /* same_domain_copy_routing */
 960     FALSE,                     /* self_rewrite */
 961     FALSE,                     /* suffix_optional */
 962     FALSE,                     /* verify_only */
 963     TRUE,                      /* verify_recipient */
 964     TRUE,                      /* verify_sender */
 965     FALSE,                     /* uid_set */
 966     FALSE,                     /* unseen */
 967
 968     self_freeze,               /* self_code */
 969     (uid_t)(-1),               /* uid */
 970     (gid_t)(-1),               /* gid */
 971
 972     NULL,                      /* fallback_hostlist */
 973     NULL,                      /* transport instance */
 974     NULL,                      /* pass_router */
 975     NULL                       /* redirect_router */
 976 };
 977
 978 ip_address_item *running_interfaces = NULL;
 979 BOOL    running_in_test_harness = FALSE;
 980
 981 /* This is a weird one. The following string gets patched in the binary by the
 982 script that sets up a copy of Exim for running in the test harness. It seems
 983 that compilers are now clever, and share constant strings if they can.
 984 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 985 make use of the end of this string in order to save space. So the patching then
 986 wrecks this. We default this optimization by adding some additional characters
 987 onto the end of the string. */
 988
 989 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 990
 991 int     runrc                  = 0;
 992
 993 uschar *search_error_message   = NULL;
 994 BOOL    search_find_defer      = FALSE;
 995 uschar *self_hostname          = NULL;
 996 uschar *sender_address         = NULL;
 997 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
 998 uschar *sender_address_data    = NULL;
 999 BOOL    sender_address_forced  = FALSE;
1000 uschar *sender_address_unrewritten = NULL;
1001 uschar *sender_data            = NULL;
1002 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1003 uschar *sender_fullhost        = NULL;
1004 uschar *sender_helo_name       = NULL;
1005 uschar **sender_host_aliases   = &no_aliases;
1006 uschar *sender_host_address    = NULL;
1007 uschar *sender_host_authenticated = NULL;
1008 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1009 uschar *sender_host_name       = NULL;
1010 int     sender_host_port       = 0;
1011 BOOL    sender_host_notsocket  = FALSE;
1012 BOOL    sender_host_unknown    = FALSE;
1013 uschar *sender_ident           = NULL;
1014 BOOL    sender_local           = FALSE;
1015 BOOL    sender_name_forced     = FALSE;
1016 uschar *sender_rate            = NULL;
1017 uschar *sender_rate_limit      = NULL;
1018 uschar *sender_rate_period     = NULL;
1019 uschar *sender_rcvhost         = NULL;
1020 BOOL    sender_set_untrusted   = FALSE;
1021 uschar *sender_unqualified_hosts = NULL;
1022 uschar *sender_verify_failure = NULL;
1023 address_item *sender_verified_list  = NULL;
1024 address_item *sender_verified_failed = NULL;
1025 int     sender_verified_rc     = -1;
1026 BOOL    sender_verified_responded = FALSE;
1027 volatile  BOOL sigalrm_seen    = FALSE;
1028 uschar **sighup_argv           = NULL;
1029 int     smtp_accept_count      = 0;
1030 BOOL    smtp_accept_keepalive  = TRUE;
1031 int     smtp_accept_max        = 20;
1032 int     smtp_accept_max_nonmail= 10;
1033 uschar *smtp_accept_max_nonmail_hosts = US"*";
1034 int     smtp_accept_max_per_connection = 1000;
1035 uschar *smtp_accept_max_per_host = NULL;
1036 int     smtp_accept_queue      = 0;
1037 int     smtp_accept_queue_per_connection = 10;
1038 int     smtp_accept_reserve    = 0;
1039 uschar *smtp_active_hostname   = NULL;
1040 BOOL    smtp_authenticated     = FALSE;
1041 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1042                              "Exim $version_number $tod_full"
1043                              "\0<---------------Space to patch smtp_banner->";
1044 BOOL    smtp_batched_input     = FALSE;
1045 BOOL    smtp_check_spool_space = TRUE;
1046 int     smtp_ch_index          = 0;
1047 uschar *smtp_cmd_argument      = NULL;
1048 uschar *smtp_cmd_buffer        = NULL;
1049 time_t  smtp_connection_start  = 0;
1050 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1051 int     smtp_connect_backlog   = 20;
1052 double  smtp_delay_mail        = 0.0;
1053 double  smtp_delay_rcpt        = 0.0;
1054 BOOL    smtp_enforce_sync      = TRUE;
1055 FILE   *smtp_in                = NULL;
1056 BOOL    smtp_input             = FALSE;
1057 int     smtp_load_reserve      = -1;
1058 int     smtp_mailcmd_count     = 0;
1059 FILE   *smtp_out               = NULL;
1060 uschar *smtp_etrn_command      = NULL;
1061 BOOL    smtp_etrn_serialize    = TRUE;
1062 int     smtp_max_synprot_errors= 3;
1063 int     smtp_max_unknown_commands = 3;
1064 uschar *smtp_ratelimit_hosts   = NULL;
1065 uschar *smtp_ratelimit_mail    = NULL;
1066 uschar *smtp_ratelimit_rcpt    = NULL;
1067 uschar *smtp_read_error        = US"";
1068 int     smtp_receive_timeout   = 5*60;
1069 uschar *smtp_reserve_hosts     = NULL;
1070 BOOL    smtp_return_error_details = FALSE;
1071 int     smtp_rlm_base          = 0;
1072 double  smtp_rlm_factor        = 0.0;
1073 int     smtp_rlm_limit         = 0;
1074 int     smtp_rlm_threshold     = INT_MAX;
1075 int     smtp_rlr_base          = 0;
1076 double  smtp_rlr_factor        = 0.0;
1077 int     smtp_rlr_limit         = 0;
1078 int     smtp_rlr_threshold     = INT_MAX;
1079 BOOL    smtp_use_pipelining    = FALSE;
1080 BOOL    smtp_use_size          = FALSE;
1081
1082 #ifdef WITH_CONTENT_SCAN
1083 uschar *spamd_address          = US"127.0.0.1 783";
1084 uschar *spam_bar               = NULL;
1085 uschar *spam_report            = NULL;
1086 uschar *spam_score             = NULL;
1087 uschar *spam_score_int         = NULL;
1088 #endif
1089 #ifdef EXPERIMENTAL_SPF
1090 uschar *spf_header_comment     = NULL;
1091 uschar *spf_received           = NULL;
1092 uschar *spf_result             = NULL;
1093 uschar *spf_smtp_comment       = NULL;
1094 #endif
1095
1096 BOOL    split_spool_directory  = FALSE;
1097 uschar *spool_directory        = US SPOOL_DIRECTORY
1098                            "\0<--------------Space to patch spool_directory->";
1099 #ifdef EXPERIMENTAL_SRS
1100 uschar *srs_config             = NULL;
1101 uschar *srs_db_address         = NULL;
1102 uschar *srs_db_key             = NULL;
1103 int     srs_hashlength         = 6;
1104 int     srs_hashmin            = -1;
1105 int     srs_maxage             = 31;
1106 uschar *srs_orig_recipient     = NULL;
1107 uschar *srs_orig_sender        = NULL;
1108 uschar *srs_recipient          = NULL;
1109 uschar *srs_secrets            = NULL;
1110 uschar *srs_status             = NULL;
1111 BOOL    srs_usehash            = TRUE;
1112 BOOL    srs_usetimestamp       = TRUE;
1113 #endif
1114 BOOL    strict_acl_vars        = FALSE;
1115 int     string_datestamp_offset= -1;
1116 BOOL    strip_excess_angle_brackets = FALSE;
1117 BOOL    strip_trailing_dot     = FALSE;
1118 uschar *submission_domain      = NULL;
1119 BOOL    submission_mode        = FALSE;
1120 uschar *submission_name        = NULL;
1121 BOOL    suppress_local_fixups  = FALSE;
1122 BOOL    synchronous_delivery   = FALSE;
1123 BOOL    syslog_duplication     = TRUE;
1124 int     syslog_facility        = LOG_MAIL;
1125 uschar *syslog_processname     = US"exim";
1126 BOOL    syslog_timestamp       = TRUE;
1127 uschar *system_filter          = NULL;
1128
1129 uschar *system_filter_directory_transport = NULL;
1130 uschar *system_filter_file_transport = NULL;
1131 uschar *system_filter_pipe_transport = NULL;
1132 uschar *system_filter_reply_transport = NULL;
1133
1134 gid_t   system_filter_gid      = 0;
1135 BOOL    system_filter_gid_set  = FALSE;
1136 uid_t   system_filter_uid      = 0;
1137 BOOL    system_filter_uid_set  = FALSE;
1138 BOOL    system_filtering       = FALSE;
1139
1140 BOOL    tcp_nodelay            = TRUE;
1141 int     thismessage_size_limit = 0;
1142 int     timeout_frozen_after   = 0;
1143 BOOL    timestamps_utc         = FALSE;
1144
1145 transport_instance  *transports = NULL;
1146
1147 transport_instance  transport_defaults = {
1148     NULL,                     /* chain pointer */
1149     NULL,                     /* name */
1150     NULL,                     /* info */
1151     NULL,                     /* private options block pointer */
1152     NULL,                     /* driver name */
1153     NULL,                     /* setup entry point */
1154     1,                        /* batch_max */
1155     NULL,                     /* batch_id */
1156     NULL,                     /* home_dir */
1157     NULL,                     /* current_dir */
1158     TRUE,                     /* multi-domain */
1159     FALSE,                    /* overrides_hosts */
1160     100,                      /* max_addresses */
1161     500,                      /* connection_max_messages */
1162     FALSE,                    /* deliver_as_creator */
1163     FALSE,                    /* disable_logging */
1164     FALSE,                    /* initgroups */
1165     FALSE,                    /* uid_set */
1166     FALSE,                    /* gid_set */
1167     (uid_t)(-1),              /* uid */
1168     (gid_t)(-1),              /* gid */
1169     NULL,                     /* expand_uid */
1170     NULL,                     /* expand_gid */
1171     NULL,                     /* warn_message */
1172     NULL,                     /* shadow */
1173     NULL,                     /* shadow_condition */
1174     NULL,                     /* filter_command */
1175     NULL,                     /* add_headers */
1176     NULL,                     /* remove_headers */
1177     NULL,                     /* return_path */
1178     NULL,                     /* debug_string */
1179     NULL,                     /* message_size_limit */
1180     NULL,                     /* headers_rewrite */
1181     NULL,                     /* rewrite_rules */
1182     0,                        /* rewrite_existflags */
1183     300,                      /* filter_timeout */
1184     FALSE,                    /* body_only */
1185     FALSE,                    /* delivery_date_add */
1186     FALSE,                    /* envelope_to_add */
1187     FALSE,                    /* headers_only */
1188     FALSE,                    /* rcpt_include_affixes */
1189     FALSE,                    /* return_path_add */
1190     FALSE,                    /* return_output */
1191     FALSE,                    /* return_fail_output */
1192     FALSE,                    /* log_output */
1193     FALSE,                    /* log_fail_output */
1194     FALSE,                    /* log_defer_output */
1195     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1196                                  1 nor 0 so can detect unset */
1197 };
1198
1199 int     transport_count;
1200 uschar **transport_filter_argv  = NULL;
1201 int     transport_filter_timeout;
1202 BOOL    transport_filter_timed_out = FALSE;
1203 int     transport_write_timeout= 0;
1204
1205 tree_node  *tree_dns_fails     = NULL;
1206 tree_node  *tree_duplicates    = NULL;
1207 tree_node  *tree_nonrecipients = NULL;
1208 tree_node  *tree_unusable      = NULL;
1209
1210 BOOL    trusted_caller         = FALSE;
1211 gid_t  *trusted_groups         = NULL;
1212 uid_t  *trusted_users          = NULL;
1213 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1214
1215 uschar *unknown_login          = NULL;
1216 uschar *unknown_username       = NULL;
1217 uschar *untrusted_set_sender   = NULL;
1218
1219 /*  A regex for matching a "From_" line in an incoming message, in the form
1220
1221     From ph10 Fri Jan  5 12:35 GMT 1996
1222
1223 which  the "mail" commands send to the MTA (undocumented, of course), or in
1224 the  form
1225
1226     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1227
1228 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1229 Because  of variations in time formats, just match up to the minutes. That
1230 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1231 so  just require one digit for hours and minutes. The weekday is also absent
1232 in  some forms. */
1233
1234 uschar *uucp_from_pattern      = US
1235    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1236    "(?:"                                          /* Non-extracting bracket */
1237    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1238    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1239    ")"                                            /* End alternation */
1240    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1241
1242 uschar *uucp_from_sender       = US"$1";
1243
1244 uschar *warn_message_file      = NULL;
1245 uschar *warnmsg_delay          = NULL;
1246 uschar *warnmsg_recipients     = NULL;
1247 BOOL    write_rejectlog        = TRUE;
1248
1249 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2006";
1250 uschar *version_date           = US"?";
1251 uschar *version_cnumber        = US"????";
1252 uschar *version_string         = US"?";
1253
1254 int     warning_count          = 0;
1255
1256 /*  End of globals.c */