src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.34 2005/08/08 10:48:27 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2005 */
   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 tree_node *acl_anchor          = NULL;
 166 uschar *acl_not_smtp           = NULL;
 167 #ifdef WITH_CONTENT_SCAN
 168 uschar *acl_not_smtp_mime      = NULL;
 169 #endif
 170 uschar *acl_smtp_auth          = NULL;
 171 uschar *acl_smtp_connect       = NULL;
 172 uschar *acl_smtp_data          = NULL;
 173 uschar *acl_smtp_etrn          = NULL;
 174 uschar *acl_smtp_expn          = NULL;
 175 uschar *acl_smtp_helo          = NULL;
 176 uschar *acl_smtp_mail          = NULL;
 177 uschar *acl_smtp_mailauth      = NULL;
 178 #ifdef WITH_CONTENT_SCAN
 179 uschar *acl_smtp_mime          = NULL;
 180 #endif
 181 uschar *acl_smtp_predata       = NULL;
 182 uschar *acl_smtp_quit          = NULL;
 183 uschar *acl_smtp_rcpt          = NULL;
 184 uschar *acl_smtp_starttls      = NULL;
 185 uschar *acl_smtp_vrfy          = NULL;
 186 BOOL    acl_temp_details       = FALSE;
 187 uschar *acl_var[ACL_C_MAX+ACL_M_MAX];
 188 uschar *acl_verify_message     = NULL;
 189 header_line *acl_warn_headers  = NULL;
 190 string_item *acl_warn_logged   = NULL;
 191
 192 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 193 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 194
 195 uschar *acl_wherenames[]       = { US"RCPT",
 196                                    US"MAIL",
 197                                    US"PREDATA",
 198                                    US"MIME",
 199                                    US"DATA",
 200                                    US"non-SMTP",
 201                                    US"AUTH",
 202                                    US"connection",
 203                                    US"ETRN",
 204                                    US"EXPN",
 205                                    US"EHLO or HELO",
 206                                    US"MAILAUTH",
 207                                    US"QUIT",
 208                                    US"STARTTLS",
 209                                    US"VRFY"
 210                                  };
 211
 212 int     acl_wherecodes[]       = { 550,     /* RCPT */
 213                                    550,     /* MAIL */
 214                                    550,     /* PREDATA */
 215                                    550,     /* MIME */
 216                                    550,     /* DATA */
 217                                    0,       /* not SMTP; not relevant */
 218                                    503,     /* AUTH */
 219                                    550,     /* connect */
 220                                    458,     /* ETRN */
 221                                    550,     /* EXPN */
 222                                    550,     /* HELO/EHLO */
 223                                    0,       /* MAILAUTH; not relevant */
 224                                    0,       /* QUIT; not relevant */
 225                                    550,     /* STARTTLS */
 226                                    252      /* VRFY */
 227                                  };
 228
 229 BOOL    active_local_from_check = FALSE;
 230 BOOL    active_local_sender_retain = FALSE;
 231 BOOL    accept_8bitmime        = FALSE;
 232 address_item  *addr_duplicate  = NULL;
 233
 234 address_item address_defaults = {
 235   NULL,                 /* next */
 236   NULL,                 /* parent */
 237   NULL,                 /* first */
 238   NULL,                 /* dupof */
 239   NULL,                 /* start_router */
 240   NULL,                 /* router */
 241   NULL,                 /* transport */
 242   NULL,                 /* host_list */
 243   NULL,                 /* host_used */
 244   NULL,                 /* fallback_hosts */
 245   NULL,                 /* reply */
 246   NULL,                 /* retries */
 247   NULL,                 /* address */
 248   NULL,                 /* unique */
 249   NULL,                 /* cc_local_part */
 250   NULL,                 /* lc_local_part */
 251   NULL,                 /* local_part */
 252   NULL,                 /* prefix */
 253   NULL,                 /* suffix */
 254   NULL,                 /* domain */
 255   NULL,                 /* address_retry_key */
 256   NULL,                 /* domain_retry_key */
 257   NULL,                 /* current_dir */
 258   NULL,                 /* home_dir */
 259   NULL,                 /* message */
 260   NULL,                 /* user_message */
 261   NULL,                 /* onetime_parent */
 262   NULL,                 /* pipe_expandn */
 263   NULL,                 /* return_filename */
 264   NULL,                 /* self_hostname */
 265   NULL,                 /* shadow_message */
 266   #ifdef SUPPORT_TLS
 267   NULL,                 /* cipher */
 268   NULL,                 /* peerdn */
 269   #endif
 270   (uid_t)(-1),          /* uid */
 271   (gid_t)(-1),          /* gid */
 272   0,                    /* flags */
 273   { 0 },                /* domain_cache - any larger array should be zeroed */
 274   { 0 },                /* localpart_cache - ditto */
 275   -1,                   /* mode */
 276   0,                    /* more_errno */
 277   ERRNO_UNKNOWNERROR,   /* basic_errno */
 278   0,                    /* child_count */
 279   -1,                   /* return_file */
 280   SPECIAL_NONE,         /* special_action */
 281   DEFER,                /* transport_return */
 282   {                     /* fields that are propagated to children */
 283     NULL,               /* address_data */
 284     NULL,               /* domain_data */
 285     NULL,               /* localpart_data */
 286     NULL,               /* errors_address */
 287     NULL,               /* extra_headers */
 288     NULL,               /* remove_headers */
 289 #ifdef EXPERIMENTAL_SRS
 290     NULL,               /* srs_sender */
 291 #endif
 292   }
 293 };
 294
 295 uschar *address_file           = NULL;
 296 uschar *address_pipe           = NULL;
 297 BOOL    address_test_mode      = FALSE;
 298 tree_node *addresslist_anchor  = NULL;
 299 int     addresslist_count      = 0;
 300 gid_t  *admin_groups           = NULL;
 301 BOOL    admin_user             = FALSE;
 302 BOOL    allow_domain_literals  = FALSE;
 303 BOOL    allow_mx_to_ip         = FALSE;
 304 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 305 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 306 BOOL    allow_utf8_domains     = FALSE;
 307 uschar *authenticated_id       = NULL;
 308 uschar *authenticated_sender   = NULL;
 309 BOOL    authentication_failed  = FALSE;
 310 auth_instance  *auths          = NULL;
 311 uschar *auth_advertise_hosts   = US"*";
 312 auth_instance auth_defaults    = {
 313     NULL,                      /* chain pointer */
 314     NULL,                      /* name */
 315     NULL,                      /* info */
 316     NULL,                      /* private options block pointer */
 317     NULL,                      /* driver_name */
 318     NULL,                      /* advertise_condition */
 319     NULL,                      /* public_name */
 320     NULL,                      /* set_id */
 321     NULL,                      /* server_mail_auth_condition */
 322     NULL,                      /* server_debug_string */
 323     FALSE,                     /* client */
 324     FALSE,                     /* server */
 325     FALSE                      /* advertised */
 326 };
 327
 328 uschar *auth_defer_msg         = US"reason not recorded";
 329 uschar *auth_defer_user_msg    = US"";
 330 int     auto_thaw              = 0;
 331 #ifdef WITH_CONTENT_SCAN
 332 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 333 #endif
 334
 335 BOOL    background_daemon      = TRUE;
 336 uschar *base62_chars=
 337     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 338 uschar *bi_command             = NULL;
 339 uschar *big_buffer             = NULL;
 340 int     big_buffer_size        = BIG_BUFFER_SIZE;
 341 #ifdef EXPERIMENTAL_BRIGHTMAIL
 342 uschar *bmi_alt_location       = NULL;
 343 uschar *bmi_base64_tracker_verdict = NULL;
 344 uschar *bmi_base64_verdict     = NULL;
 345 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 346 int     bmi_deliver            = 1;
 347 int     bmi_run                = 0;
 348 uschar *bmi_verdicts           = NULL;
 349 #endif
 350 int     body_linecount         = 0;
 351 int     body_zerocount         = 0;
 352 uschar *bounce_message_file    = NULL;
 353 uschar *bounce_message_text    = NULL;
 354 uschar *bounce_recipient       = NULL;
 355 BOOL    bounce_return_body     = TRUE;
 356 BOOL    bounce_return_message  = TRUE;
 357 int     bounce_return_size_limit = 100*1024;
 358 uschar *bounce_sender_authentication = NULL;
 359 int     bsmtp_transaction_linecount = 0;
 360
 361 int     callout_cache_domain_positive_expire = 7*24*60*60;
 362 int     callout_cache_domain_negative_expire = 3*60*60;
 363 int     callout_cache_positive_expire = 24*60*60;
 364 int     callout_cache_negative_expire = 2*60*60;
 365 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 366 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9-]*[^\\W_])?)+$";
 367 int     check_log_inodes       = 0;
 368 int     check_log_space        = 0;
 369 int     check_spool_inodes     = 0;
 370 int     check_spool_space      = 0;
 371 int     clmacro_count          = 0;
 372 uschar *clmacros[MAX_CLMACROS];
 373 BOOL    config_changed         = FALSE;
 374 FILE   *config_file            = NULL;
 375 uschar *config_filename        = NULL;
 376 int     config_lineno          = 0;
 377 #ifdef CONFIGURE_GROUP
 378 gid_t   config_gid             = CONFIGURE_GROUP;
 379 #endif
 380 uschar *config_main_filelist   = US CONFIGURE_FILE
 381                          "\0<-----------Space to patch configure_filename->";
 382 uschar *config_main_filename   = NULL;
 383
 384 #ifdef CONFIGURE_OWNER
 385 uid_t   config_uid             = CONFIGURE_OWNER;
 386 #endif
 387
 388 int     connection_max_messages= -1;
 389 uschar *continue_hostname      = NULL;
 390 uschar *continue_host_address  = NULL;
 391 BOOL    continue_more          = FALSE;
 392 int     continue_sequence      = 1;
 393 uschar *continue_transport     = NULL;
 394
 395 uschar *csa_status             = NULL;
 396
 397 BOOL    daemon_listen          = FALSE;
 398 uschar *daemon_smtp_port       = US"smtp";
 399 int     daemon_startup_retries = 9;
 400 int     daemon_startup_sleep   = 30;
 401 BOOL    debug_daemon           = FALSE;
 402 int     debug_fd               = -1;
 403 FILE   *debug_file             = NULL;
 404 bit_table debug_options[]      = {
 405   { US"acl",            D_acl },
 406   { US"all",            D_all },
 407   { US"auth",           D_auth },
 408   { US"deliver",        D_deliver },
 409   { US"dns",            D_dns },
 410   { US"dnsbl",          D_dnsbl },
 411   { US"exec",           D_exec },
 412   { US"expand",         D_expand },
 413   { US"filter",         D_filter },
 414   { US"hints_lookup",   D_hints_lookup },
 415   { US"host_lookup",    D_host_lookup },
 416   { US"ident",          D_ident },
 417   { US"interface",      D_interface },
 418   { US"lists",          D_lists },
 419   { US"load",           D_load },
 420   { US"local_scan",     D_local_scan },
 421   { US"lookup",         D_lookup },
 422   { US"memory",         D_memory },
 423   { US"pid",            D_pid },
 424   { US"process_info",   D_process_info },
 425   { US"queue_run",      D_queue_run },
 426   { US"receive",        D_receive },
 427   { US"resolver",       D_resolver },
 428   { US"retry",          D_retry },
 429   { US"rewrite",        D_rewrite },
 430   { US"route",          D_route },
 431   { US"timestamp",      D_timestamp },
 432   { US"tls",            D_tls },
 433   { US"transport",      D_transport },
 434   { US"uid",            D_uid },
 435   { US"verify",         D_verify }
 436 };
 437 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 438 unsigned int debug_selector    = 0;
 439 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 440 uschar *delay_warning_condition= US"${if match{$h_precedence:}{(?i)bulk|list|junk}{no}{yes}}";
 441 BOOL    delivery_date_remove   = TRUE;
 442 uschar *deliver_address_data   = NULL;
 443 int     deliver_datafile       = -1;
 444 uschar *deliver_domain         = NULL;
 445 uschar *deliver_domain_data    = NULL;
 446 uschar *deliver_domain_orig    = NULL;
 447 uschar *deliver_domain_parent  = NULL;
 448 BOOL    deliver_drop_privilege = FALSE;
 449 BOOL    deliver_firsttime      = FALSE;
 450 BOOL    deliver_force          = FALSE;
 451 BOOL    deliver_freeze         = FALSE;
 452 int     deliver_frozen_at      = 0;
 453 uschar *deliver_home           = NULL;
 454 uschar *deliver_host           = NULL;
 455 uschar *deliver_host_address   = NULL;
 456 uschar *deliver_in_buffer      = NULL;
 457 ino_t   deliver_inode          = 0;
 458 uschar *deliver_localpart      = NULL;
 459 uschar *deliver_localpart_data = NULL;
 460 uschar *deliver_localpart_orig = NULL;
 461 uschar *deliver_localpart_parent = NULL;
 462 uschar *deliver_localpart_prefix = NULL;
 463 uschar *deliver_localpart_suffix = NULL;
 464 BOOL    deliver_force_thaw     = FALSE;
 465 BOOL    deliver_manual_thaw    = FALSE;
 466 uschar *deliver_out_buffer     = NULL;
 467 int     deliver_queue_load_max = -1;
 468 address_item  *deliver_recipients = NULL;
 469 uschar *deliver_selectstring   = NULL;
 470 BOOL    deliver_selectstring_regex = FALSE;
 471 uschar *deliver_selectstring_sender = NULL;
 472 BOOL    deliver_selectstring_sender_regex = FALSE;
 473 #ifdef WITH_OLD_DEMIME
 474 int     demime_errorlevel      = 0;
 475 int     demime_ok              = 0;
 476 uschar *demime_reason          = NULL;
 477 #endif
 478 BOOL    disable_logging        = FALSE;
 479
 480 #ifdef EXPERIMENTAL_DOMAINKEYS
 481 uschar *dk_signing_domain      = NULL;
 482 uschar *dk_signing_selector    = NULL;
 483 int     dk_do_verify           = 0;
 484 #endif
 485
 486 uschar *dns_again_means_nonexist = NULL;
 487 int     dns_csa_search_limit   = 5;
 488 BOOL    dns_csa_use_reverse    = TRUE;
 489 uschar *dns_ipv4_lookup        = NULL;
 490 int     dns_retrans            = 0;
 491 int     dns_retry              = 0;
 492 uschar *dnslist_domain         = NULL;
 493 uschar *dnslist_text           = NULL;
 494 uschar *dnslist_value          = NULL;
 495 tree_node *domainlist_anchor   = NULL;
 496 int     domainlist_count       = 0;
 497 BOOL    dont_deliver           = FALSE;
 498 BOOL    dot_ends               = TRUE;
 499 BOOL    drop_cr                = FALSE;         /* No longer used */
 500
 501 BOOL    enable_dollar_recipients = FALSE;
 502 BOOL    envelope_to_remove     = TRUE;
 503 int     errno_quota            = ERRNO_QUOTA;
 504 uschar *errors_copy            = NULL;
 505 int     error_handling         = ERRORS_SENDER;
 506 uschar *errors_reply_to        = NULL;
 507 int     errors_sender_rc       = EXIT_FAILURE;
 508
 509 gid_t   exim_gid               = EXIM_GID;
 510 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 511 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 512                         "\0<---------------Space to patch exim_path->";
 513 uid_t   exim_uid               = EXIM_UID;
 514 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 515 int     expand_forbid          = 0;
 516 int     expand_nlength[EXPAND_MAXN+1];
 517 int     expand_nmax            = -1;
 518 uschar *expand_nstring[EXPAND_MAXN+1];
 519 BOOL    expand_string_forcedfail = FALSE;
 520 uschar *expand_string_message;
 521 BOOL    extract_addresses_remove_arguments = TRUE;
 522 uschar *extra_local_interfaces = NULL;
 523
 524 int     fake_response          = OK;
 525 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).";
 526 int     filter_n[FILTER_VARIABLE_COUNT];
 527 BOOL    filter_running         = FALSE;
 528 int     filter_sn[FILTER_VARIABLE_COUNT];
 529 int     filter_test            = FTEST_NONE;
 530 uschar *filter_test_sfile      = NULL;
 531 uschar *filter_test_ufile      = NULL;
 532 uschar *filter_thisaddress     = NULL;
 533 int     finduser_retries       = 0;
 534 #ifdef WITH_OLD_DEMIME
 535 uschar *found_extension        = NULL;
 536 #endif
 537 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 538 uschar *freeze_tell            = NULL;
 539 uschar *fudged_queue_times     = US"";
 540
 541 uschar *gecos_name             = NULL;
 542 uschar *gecos_pattern          = NULL;
 543 rewrite_rule  *global_rewrite_rules = NULL;
 544
 545 uschar *headers_charset        = US HEADERS_CHARSET;
 546 int     header_insert_maxlen   = 64 * 1024;
 547 header_line  *header_last      = NULL;
 548 header_line  *header_list      = NULL;
 549 int     header_maxsize         = HEADER_MAXSIZE;
 550 int     header_line_maxsize    = 0;
 551
 552 header_name header_names[] = {
 553   { US"bcc",            3, TRUE,  htype_bcc },
 554   { US"cc",             2, TRUE,  htype_cc },
 555   { US"date",           4, TRUE,  htype_date },
 556   { US"delivery-date", 13, FALSE, htype_delivery_date },
 557   { US"envelope-to",   11, FALSE, htype_envelope_to },
 558   { US"from",           4, TRUE,  htype_from },
 559   { US"message-id",    10, TRUE,  htype_id },
 560   { US"received",       8, FALSE, htype_received },
 561   { US"reply-to",       8, FALSE, htype_reply_to },
 562   { US"return-path",   11, FALSE, htype_return_path },
 563   { US"sender",         6, TRUE,  htype_sender },
 564   { US"subject",        7, FALSE, htype_subject },
 565   { US"to",             2, TRUE,  htype_to }
 566 };
 567
 568 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 569
 570 BOOL    header_rewritten       = FALSE;
 571 uschar *helo_accept_junk_hosts = NULL;
 572 uschar *helo_allow_chars       = US"";
 573 uschar *helo_lookup_domains    = US"@ : @[]";
 574 uschar *helo_try_verify_hosts  = NULL;
 575 BOOL    helo_verified          = FALSE;
 576 BOOL    helo_verify_failed     = FALSE;
 577 uschar *helo_verify_hosts      = NULL;
 578 uschar *hex_digits             = US"0123456789abcdef";
 579 uschar *hold_domains           = NULL;
 580 BOOL    host_checking          = FALSE;
 581 BOOL    host_checking_callout  = FALSE;
 582 uschar *host_data              = NULL;
 583 BOOL    host_find_failed_syntax= FALSE;
 584 uschar *host_lookup            = NULL;
 585 BOOL    host_lookup_deferred   = FALSE;
 586 BOOL    host_lookup_failed     = FALSE;
 587 uschar *host_lookup_order      = US"bydns:byaddr";
 588 uschar *host_lookup_msg        = US"";
 589 int     host_number            = 0;
 590 uschar *host_number_string     = NULL;
 591 uschar *host_reject_connection = NULL;
 592 tree_node *hostlist_anchor     = NULL;
 593 int     hostlist_count         = 0;
 594 uschar *hosts_treat_as_local   = NULL;
 595 uschar *hosts_connection_nolog = NULL;
 596
 597 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 598 BOOL    ignore_fromline_local  = FALSE;
 599 uschar *ignore_fromline_hosts  = NULL;
 600 uschar *interface_address      = NULL;
 601 int     interface_port         = -1;
 602 BOOL    is_inetd               = FALSE;
 603
 604 int     journal_fd             = -1;
 605
 606 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 607
 608 uschar *eldap_dn               = NULL;
 609 int     load_average           = -2;
 610 BOOL    local_error_message    = FALSE;
 611 BOOL    local_from_check       = TRUE;
 612 uschar *local_from_prefix      = NULL;
 613 uschar *local_from_suffix      = NULL;
 614
 615 #if HAVE_IPV6
 616 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 617 #else
 618 uschar *local_interfaces       = US"0.0.0.0";
 619 #endif
 620
 621 uschar *local_scan_data        = NULL;
 622 int     local_scan_timeout     = 5*60;
 623 BOOL    local_sender_retain    = FALSE;
 624 gid_t   local_user_gid         = (gid_t)(-1);
 625 uid_t   local_user_uid         = (uid_t)(-1);
 626
 627 tree_node *localpartlist_anchor= NULL;
 628 int     localpartlist_count    = 0;
 629 uschar *log_buffer             = NULL;
 630 unsigned int log_extra_selector = LX_default;
 631 uschar *log_file_path          = US LOG_FILE_PATH
 632                            "\0<--------------Space to patch log_file_path->";
 633
 634 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 635 are the ones that get put into log_write_selector. They can be used in calls to
 636 log_write() to test for the bit. The options with LX_xxx identifiers have
 637 values greater than 0x80000000 and are put int log_extra_selector (without the
 638 top bit). They are never used in calls to log_write(), but are tested
 639 independently. This separation became necessary when the number of log
 640 selectors was getting close to filling a 32-bit word. */
 641
 642 bit_table log_options[]        = {
 643   { US"address_rewrite",              L_address_rewrite },
 644   { US"all",                          L_all },
 645   { US"all_parents",                  L_all_parents },
 646   { US"arguments",                    LX_arguments },
 647   { US"connection_reject",            L_connection_reject },
 648   { US"delay_delivery",               L_delay_delivery },
 649   { US"deliver_time",                 LX_deliver_time },
 650   { US"delivery_size",                LX_delivery_size },
 651   { US"dnslist_defer",                L_dnslist_defer },
 652   { US"etrn",                         L_etrn },
 653   { US"host_lookup_failed",           L_host_lookup_failed },
 654   { US"ident_timeout",                LX_ident_timeout },
 655   { US"incoming_interface",           LX_incoming_interface },
 656   { US"incoming_port",                LX_incoming_port },
 657   { US"lost_incoming_connection",     L_lost_incoming_connection },
 658   { US"outgoing_port",                LX_outgoing_port },
 659   { US"queue_run",                    L_queue_run },
 660   { US"queue_time",                   LX_queue_time },
 661   { US"queue_time_overall",           LX_queue_time_overall },
 662   { US"received_recipients",          LX_received_recipients },
 663   { US"received_sender",              LX_received_sender },
 664   { US"rejected_header",              LX_rejected_header },
 665   { US"rejected_headers",             LX_rejected_header },
 666   { US"retry_defer",                  L_retry_defer },
 667   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 668   { US"sender_on_delivery",           LX_sender_on_delivery },
 669   { US"size_reject",                  L_size_reject },
 670   { US"skip_delivery",                L_skip_delivery },
 671   { US"smtp_confirmation",            LX_smtp_confirmation },
 672   { US"smtp_connection",              L_smtp_connection },
 673   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 674   { US"smtp_protocol_error",          L_smtp_protocol_error },
 675   { US"smtp_syntax_error",            L_smtp_syntax_error },
 676   { US"subject",                      LX_subject },
 677   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 678   { US"tls_cipher",                   LX_tls_cipher },
 679   { US"tls_peerdn",                   LX_tls_peerdn }
 680 };
 681
 682 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 683 unsigned int log_write_selector= L_default;
 684 uschar *log_selector_string    = NULL;
 685 FILE   *log_stderr             = NULL;
 686 BOOL    log_testing_mode       = FALSE;
 687 BOOL    log_timezone           = FALSE;
 688 uschar *login_sender_address   = NULL;
 689 int     lookup_open_max        = 25;
 690 uschar *lookup_value           = NULL;
 691
 692 macro_item  *macros            = NULL;
 693 uschar *mailstore_basename     = NULL;
 694 #ifdef WITH_CONTENT_SCAN
 695 uschar *malware_name           = NULL;  /* Virus Name */
 696 #endif
 697 int     max_username_length    = 0;
 698 int     message_age            = 0;
 699 uschar *message_body           = NULL;
 700 uschar *message_body_end       = NULL;
 701 int     message_body_size      = 0;
 702 int     message_body_visible   = 500;
 703 int     message_ended          = END_NOTSTARTED;
 704 uschar *message_headers        = NULL;
 705 uschar *message_id;
 706 uschar *message_id_domain      = NULL;
 707 uschar *message_id_text        = NULL;
 708 struct timeval message_id_tv   = { 0, 0 };
 709 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 710 uschar *message_id_external;
 711 int     message_linecount      = 0;
 712 BOOL    message_logs           = TRUE;
 713 int     message_size           = 0;
 714 uschar *message_size_limit     = US"50M";
 715 uschar  message_subdir[2]      = { 0, 0 };
 716 uschar *message_reference      = NULL;
 717
 718 /* MIME ACL expandables */
 719 #ifdef WITH_CONTENT_SCAN
 720 int     mime_anomaly_level     = 0;
 721 uschar *mime_anomaly_text      = NULL;
 722 uschar *mime_boundary          = NULL;
 723 uschar *mime_charset           = NULL;
 724 uschar *mime_content_description = NULL;
 725 uschar *mime_content_disposition = NULL;
 726 uschar *mime_content_id        = NULL;
 727 unsigned int mime_content_size = 0;
 728 uschar *mime_content_transfer_encoding = NULL;
 729 uschar *mime_content_type      = NULL;
 730 uschar *mime_decoded_filename  = NULL;
 731 uschar *mime_filename          = NULL;
 732 int     mime_is_multipart      = 0;
 733 int     mime_is_coverletter    = 0;
 734 int     mime_is_rfc822         = 0;
 735 int     mime_part_count        = -1;
 736 #endif
 737
 738 BOOL    mua_wrapper            = FALSE;
 739
 740 uid_t  *never_users            = NULL;
 741 #ifdef WITH_CONTENT_SCAN
 742 BOOL    no_mbox_unspool        = FALSE;
 743 #endif
 744 BOOL    no_multiline_responses = FALSE;
 745
 746 uid_t   original_euid;
 747 gid_t   originator_gid;
 748 uschar *originator_login       = NULL;
 749 uschar *originator_name        = NULL;
 750 uid_t   originator_uid;
 751 uschar *override_local_interfaces = NULL;
 752 uschar *override_pid_file_path = NULL;
 753
 754 BOOL    parse_allow_group      = FALSE;
 755 BOOL    parse_found_group      = FALSE;
 756 uschar *percent_hack_domains   = NULL;
 757 uschar *pid_file_path          = US PID_FILE_PATH
 758                            "\0<--------------Space to patch pid_file_path->";
 759 uschar *pipelining_advertise_hosts = US"*";
 760 BOOL    preserve_message_logs  = FALSE;
 761 uschar *primary_hostname       = NULL;
 762 BOOL    print_topbitchars      = FALSE;
 763 uschar  process_info[PROCESS_INFO_SIZE];
 764 uschar *process_log_path       = NULL;
 765 BOOL    prod_requires_admin    = TRUE;
 766 uschar *prvscheck_address      = NULL;
 767 uschar *prvscheck_keynum       = NULL;
 768 uschar *prvscheck_result       = NULL;
 769
 770
 771 uschar *qualify_domain_recipient = NULL;
 772 uschar *qualify_domain_sender  = NULL;
 773 BOOL    queue_2stage           = FALSE;
 774 uschar *queue_domains          = NULL;
 775 int     queue_interval         = -1;
 776 BOOL    queue_list_requires_admin = TRUE;
 777 BOOL    queue_only             = FALSE;
 778 uschar *queue_only_file        = NULL;
 779 int     queue_only_load        = -1;
 780 BOOL    queue_only_override    = TRUE;
 781 BOOL    queue_only_policy      = FALSE;
 782 BOOL    queue_run_first_delivery = FALSE;
 783 BOOL    queue_run_force        = FALSE;
 784 BOOL    queue_run_in_order     = FALSE;
 785 BOOL    queue_run_local        = FALSE;
 786 int     queue_run_max          = 5;
 787 pid_t   queue_run_pid          = (pid_t)0;
 788 int     queue_run_pipe         = -1;
 789 BOOL    queue_running          = FALSE;
 790 BOOL    queue_smtp             = FALSE;
 791 uschar *queue_smtp_domains     = NULL;
 792
 793 unsigned int random_seed       = 0;
 794 tree_node *ratelimiters_cmd    = NULL;
 795 tree_node *ratelimiters_conn   = NULL;
 796 tree_node *ratelimiters_mail   = NULL;
 797 uschar *raw_active_hostname    = NULL;
 798 uschar *raw_sender             = NULL;
 799 uschar **raw_recipients        = NULL;
 800 int     raw_recipients_count   = 0;
 801
 802 int     rcpt_count             = 0;
 803 int     rcpt_fail_count        = 0;
 804 int     rcpt_defer_count       = 0;
 805 gid_t   real_gid;
 806 uid_t   real_uid;
 807 BOOL    really_exim            = TRUE;
 808 BOOL    receive_call_bombout   = FALSE;
 809 int     receive_linecount      = 0;
 810 int     receive_messagecount   = 0;
 811 int     receive_timeout        = 0;
 812 int     received_count         = 0;
 813 uschar *received_for           = NULL;
 814
 815 /*  This is the default text for Received headers generated by Exim. The
 816 date  will be automatically added on the end. */
 817
 818 uschar *received_header_text   = US
 819      "Received: "
 820      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 821      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 822      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 823      "by $primary_hostname "
 824      "${if def:received_protocol {with $received_protocol}} "
 825      #ifdef SUPPORT_TLS
 826      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 827      #endif
 828      "(Exim $version_number)\n\t"
 829      "id $message_exim_id"
 830      "${if def:received_for {\n\tfor $received_for}}"
 831      "\0<---------------Space to patch received_header_text->";
 832
 833 int     received_headers_max   = 30;
 834 uschar *received_protocol      = NULL;
 835 int     received_time          = 0;
 836 uschar *recipient_data         = NULL;
 837 uschar *recipient_unqualified_hosts = NULL;
 838 uschar *recipient_verify_failure = NULL;
 839 int     recipients_count       = 0;
 840 BOOL    recipients_discarded   = FALSE;
 841 recipient_item  *recipients_list = NULL;
 842 int     recipients_list_max    = 0;
 843 int     recipients_max         = 0;
 844 BOOL    recipients_max_reject  = FALSE;
 845 const pcre *regex_AUTH         = NULL;
 846 const pcre *regex_check_dns_names = NULL;
 847 const pcre *regex_From         = NULL;
 848 const pcre *regex_IGNOREQUOTA  = NULL;
 849 const pcre *regex_PIPELINING   = NULL;
 850 const pcre *regex_SIZE         = NULL;
 851 const pcre *regex_ismsgid      = NULL;
 852 #ifdef WITH_CONTENT_SCAN
 853 uschar *regex_match_string     = NULL;
 854 #endif
 855 int     remote_delivery_count  = 0;
 856 int     remote_max_parallel    = 2;
 857 uschar *remote_sort_domains    = NULL;
 858 int     retry_data_expire      = 7*24*60*60;
 859 int     retry_interval_max     = 24*60*60;
 860 int     retry_maximum_timeout  = 0;        /* set from retry config */
 861 retry_config  *retries         = NULL;
 862 uschar *return_path            = NULL;
 863 BOOL    return_path_remove     = TRUE;
 864 int     rewrite_existflags     = 0;
 865 uschar *rfc1413_hosts          = US"*";
 866 int     rfc1413_query_timeout  = 30;
 867 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 868 uid_t   root_uid               = ROOT_UID;
 869
 870 router_instance  *routers  = NULL;
 871 router_instance  router_defaults = {
 872     NULL,                      /* chain pointer */
 873     NULL,                      /* name */
 874     NULL,                      /* info */
 875     NULL,                      /* private options block pointer */
 876     NULL,                      /* driver name */
 877
 878     NULL,                      /* address_data */
 879 #ifdef EXPERIMENTAL_BRIGHTMAIL
 880     NULL,                      /* bmi_rule */
 881 #endif
 882     NULL,                      /* cannot_route_message */
 883     NULL,                      /* condition */
 884     NULL,                      /* current_directory */
 885     NULL,                      /* debug_string */
 886     NULL,                      /* domains */
 887     NULL,                      /* errors_to */
 888     NULL,                      /* expand_gid */
 889     NULL,                      /* expand_uid */
 890     NULL,                      /* expand_more */
 891     NULL,                      /* expand_unseen */
 892     NULL,                      /* extra_headers */
 893     NULL,                      /* fallback_hosts */
 894     NULL,                      /* home_directory */
 895     NULL,                      /* ignore_target_hosts */
 896     NULL,                      /* local_parts */
 897     NULL,                      /* pass_router_name */
 898     NULL,                      /* prefix */
 899     NULL,                      /* redirect_router_name */
 900     NULL,                      /* remove_headers */
 901     NULL,                      /* require_files */
 902     NULL,                      /* router_home_directory */
 903     US"freeze",                /* self */
 904     NULL,                      /* senders */
 905     NULL,                      /* suffix */
 906     NULL,                      /* translate_ip_address */
 907     NULL,                      /* transport_name */
 908
 909     TRUE,                      /* address_test */
 910 #ifdef EXPERIMENTAL_BRIGHTMAIL
 911     FALSE,                     /* bmi_deliver_alternate */
 912     FALSE,                     /* bmi_deliver_default */
 913     FALSE,                     /* bmi_dont_deliver */
 914 #endif
 915     TRUE,                      /* expn */
 916     FALSE,                     /* caseful_local_part */
 917     FALSE,                     /* check_local_user */
 918     FALSE,                     /* disable_logging */
 919     FALSE,                     /* fail_verify_recipient */
 920     FALSE,                     /* fail_verify_sender */
 921     FALSE,                     /* gid_set */
 922     FALSE,                     /* initgroups */
 923     TRUE_UNSET,                /* log_as_local */
 924     TRUE,                      /* more */
 925     FALSE,                     /* pass_on_timeout */
 926     FALSE,                     /* prefix_optional */
 927     TRUE,                      /* repeat_use */
 928     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 929     FALSE,                     /* same_domain_copy_routing */
 930     FALSE,                     /* self_rewrite */
 931     FALSE,                     /* suffix_optional */
 932     FALSE,                     /* verify_only */
 933     TRUE,                      /* verify_recipient */
 934     TRUE,                      /* verify_sender */
 935     FALSE,                     /* uid_set */
 936     FALSE,                     /* unseen */
 937
 938     self_freeze,               /* self_code */
 939     (uid_t)(-1),               /* uid */
 940     (gid_t)(-1),               /* gid */
 941
 942     NULL,                      /* fallback_hostlist */
 943     NULL,                      /* transport instance */
 944     NULL,                      /* pass_router */
 945     NULL                       /* redirect_router */
 946 };
 947
 948 ip_address_item *running_interfaces = NULL;
 949 BOOL    running_in_test_harness = FALSE;
 950
 951 /* This is a weird one. The following string gets patched in the binary by the
 952 script that sets up a copy of Exim for running in the test harness. It seems
 953 that compilers are now clever, and share constant strings if they can.
 954 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 955 make use of the end of this string in order to save space. So the patching then
 956 wrecks this. We default this optimization by adding some additional characters
 957 onto the end of the string. */
 958
 959 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 960
 961 int     runrc                  = 0;
 962
 963 uschar *search_error_message   = NULL;
 964 BOOL    search_find_defer      = FALSE;
 965 uschar *self_hostname          = NULL;
 966 uschar *sender_address         = NULL;
 967 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
 968 uschar *sender_address_data    = NULL;
 969 BOOL    sender_address_forced  = FALSE;
 970 uschar *sender_address_unrewritten = NULL;
 971 uschar *sender_data            = NULL;
 972 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
 973 uschar *sender_fullhost        = NULL;
 974 uschar *sender_helo_name       = NULL;
 975 uschar **sender_host_aliases   = &no_aliases;
 976 uschar *sender_host_address    = NULL;
 977 uschar *sender_host_authenticated = NULL;
 978 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
 979 uschar *sender_host_name       = NULL;
 980 int     sender_host_port       = 0;
 981 BOOL    sender_host_notsocket  = FALSE;
 982 BOOL    sender_host_unknown    = FALSE;
 983 uschar *sender_ident           = NULL;
 984 BOOL    sender_local           = FALSE;
 985 uschar *sender_rate            = NULL;
 986 uschar *sender_rate_limit      = NULL;
 987 uschar *sender_rate_period     = NULL;
 988 uschar *sender_rcvhost         = NULL;
 989 BOOL    sender_set_untrusted   = FALSE;
 990 uschar *sender_unqualified_hosts = NULL;
 991 uschar *sender_verify_failure = NULL;
 992 address_item *sender_verified_list  = NULL;
 993 address_item *sender_verified_failed = NULL;
 994 int     sender_verified_rc     = -1;
 995 BOOL    sender_verified_responded = FALSE;
 996 volatile  BOOL sigalrm_seen    = FALSE;
 997 uschar **sighup_argv           = NULL;
 998 int     smtp_accept_count      = 0;
 999 BOOL    smtp_accept_keepalive  = TRUE;
1000 int     smtp_accept_max        = 20;
1001 int     smtp_accept_max_nonmail= 10;
1002 uschar *smtp_accept_max_nonmail_hosts = US"*";
1003 int     smtp_accept_max_per_connection = 1000;
1004 uschar *smtp_accept_max_per_host = NULL;
1005 int     smtp_accept_queue      = 0;
1006 int     smtp_accept_queue_per_connection = 10;
1007 int     smtp_accept_reserve    = 0;
1008 uschar *smtp_active_hostname   = NULL;
1009 BOOL    smtp_authenticated     = FALSE;
1010 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1011                              "Exim $version_number $tod_full"
1012                              "\0<---------------Space to patch smtp_banner->";
1013 BOOL    smtp_batched_input     = FALSE;
1014 BOOL    smtp_check_spool_space = TRUE;
1015 uschar *smtp_command_argument  = NULL;
1016 int     smtp_connect_backlog   = 20;
1017 double  smtp_delay_mail        = 0.0;
1018 double  smtp_delay_rcpt        = 0.0;
1019 BOOL    smtp_enforce_sync      = TRUE;
1020 FILE   *smtp_in                = NULL;
1021 BOOL    smtp_input             = FALSE;
1022 int     smtp_load_reserve      = -1;
1023 int     smtp_mailcmd_count     = 0;
1024 FILE   *smtp_out               = NULL;
1025 uschar *smtp_etrn_command      = NULL;
1026 BOOL    smtp_etrn_serialize    = TRUE;
1027 int     smtp_max_synprot_errors= 3;
1028 int     smtp_max_unknown_commands = 3;
1029 uschar *smtp_ratelimit_hosts   = NULL;
1030 uschar *smtp_ratelimit_mail    = NULL;
1031 uschar *smtp_ratelimit_rcpt    = NULL;
1032 uschar *smtp_read_error        = US"";
1033 int     smtp_receive_timeout   = 5*60;
1034 uschar *smtp_reserve_hosts     = NULL;
1035 BOOL    smtp_return_error_details = FALSE;
1036 int     smtp_rlm_base          = 0;
1037 double  smtp_rlm_factor        = 0.0;
1038 int     smtp_rlm_limit         = 0;
1039 int     smtp_rlm_threshold     = INT_MAX;
1040 int     smtp_rlr_base          = 0;
1041 double  smtp_rlr_factor        = 0.0;
1042 int     smtp_rlr_limit         = 0;
1043 int     smtp_rlr_threshold     = INT_MAX;
1044 BOOL    smtp_use_pipelining    = FALSE;
1045 BOOL    smtp_use_size          = FALSE;
1046
1047 #ifdef WITH_CONTENT_SCAN
1048 uschar *spamd_address          = US"127.0.0.1 783";
1049 uschar *spam_bar               = NULL;
1050 uschar *spam_report            = NULL;
1051 uschar *spam_score             = NULL;
1052 uschar *spam_score_int         = NULL;
1053 #endif
1054 #ifdef EXPERIMENTAL_SPF
1055 uschar *spf_header_comment     = NULL;
1056 uschar *spf_received           = NULL;
1057 uschar *spf_result             = NULL;
1058 uschar *spf_smtp_comment       = NULL;
1059 #endif
1060
1061 BOOL    split_spool_directory  = FALSE;
1062 uschar *spool_directory        = US SPOOL_DIRECTORY
1063                            "\0<--------------Space to patch spool_directory->";
1064 #ifdef EXPERIMENTAL_SRS
1065 uschar *srs_config             = NULL;
1066 uschar *srs_db_address         = NULL;
1067 uschar *srs_db_key             = NULL;
1068 int     srs_hashlength         = 6;
1069 int     srs_hashmin            = -1;
1070 int     srs_maxage             = 31;
1071 uschar *srs_orig_recipient     = NULL;
1072 uschar *srs_orig_sender        = NULL;
1073 uschar *srs_recipient          = NULL;
1074 uschar *srs_secrets            = NULL;
1075 uschar *srs_status             = NULL;
1076 BOOL    srs_usehash            = TRUE;
1077 BOOL    srs_usetimestamp       = TRUE;
1078 #endif
1079 int     string_datestamp_offset= -1;
1080 BOOL    strip_excess_angle_brackets = FALSE;
1081 BOOL    strip_trailing_dot     = FALSE;
1082 uschar *submission_domain      = NULL;
1083 BOOL    submission_mode        = FALSE;
1084 BOOL    synchronous_delivery   = FALSE;
1085 BOOL    syslog_duplication     = TRUE;
1086 int     syslog_facility        = LOG_MAIL;
1087 uschar *syslog_processname     = US"exim";
1088 BOOL    syslog_timestamp       = TRUE;
1089 uschar *system_filter          = NULL;
1090
1091 uschar *system_filter_directory_transport = NULL;
1092 uschar *system_filter_file_transport = NULL;
1093 uschar *system_filter_pipe_transport = NULL;
1094 uschar *system_filter_reply_transport = NULL;
1095
1096 gid_t   system_filter_gid      = 0;
1097 BOOL    system_filter_gid_set  = FALSE;
1098 uid_t   system_filter_uid      = 0;
1099 BOOL    system_filter_uid_set  = FALSE;
1100 BOOL    system_filtering       = FALSE;
1101
1102 BOOL    tcp_nodelay            = TRUE;
1103 int     thismessage_size_limit = 0;
1104 int     timeout_frozen_after   = 0;
1105 BOOL    timestamps_utc         = FALSE;
1106
1107 transport_instance  *transports = NULL;
1108
1109 transport_instance  transport_defaults = {
1110     NULL,                     /* chain pointer */
1111     NULL,                     /* name */
1112     NULL,                     /* info */
1113     NULL,                     /* private options block pointer */
1114     NULL,                     /* driver name */
1115     NULL,                     /* setup entry point */
1116     1,                        /* batch_max */
1117     NULL,                     /* batch_id */
1118     NULL,                     /* home_dir */
1119     NULL,                     /* current_dir */
1120     TRUE,                     /* multi-domain */
1121     FALSE,                    /* overrides_hosts */
1122     100,                      /* max_addresses */
1123     500,                      /* connection_max_messages */
1124     FALSE,                    /* deliver_as_creator */
1125     FALSE,                    /* disable_logging */
1126     FALSE,                    /* initgroups */
1127     FALSE,                    /* uid_set */
1128     FALSE,                    /* gid_set */
1129     (uid_t)(-1),              /* uid */
1130     (gid_t)(-1),              /* gid */
1131     NULL,                     /* expand_uid */
1132     NULL,                     /* expand_gid */
1133     NULL,                     /* warn_message */
1134     NULL,                     /* shadow */
1135     NULL,                     /* shadow_condition */
1136     NULL,                     /* filter_command */
1137     NULL,                     /* add_headers */
1138     NULL,                     /* remove_headers */
1139     NULL,                     /* return_path */
1140     NULL,                     /* debug_string */
1141     NULL,                     /* message_size_limit */
1142     NULL,                     /* headers_rewrite */
1143     NULL,                     /* rewrite_rules */
1144     0,                        /* rewrite_existflags */
1145     300,                      /* filter_timeout */
1146     FALSE,                    /* body_only */
1147     FALSE,                    /* delivery_date_add */
1148     FALSE,                    /* envelope_to_add */
1149     FALSE,                    /* headers_only */
1150     FALSE,                    /* rcpt_include_affixes */
1151     FALSE,                    /* return_path_add */
1152     FALSE,                    /* return_output */
1153     FALSE,                    /* return_fail_output */
1154     FALSE,                    /* log_output */
1155     FALSE,                    /* log_fail_output */
1156     FALSE,                    /* log_defer_output */
1157     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1158                                  1 nor 0 so can detect unset */
1159 };
1160
1161 int     transport_count;
1162 uschar **transport_filter_argv  = NULL;
1163 int     transport_filter_timeout;
1164 BOOL    transport_filter_timed_out = FALSE;
1165 int     transport_write_timeout= 0;
1166
1167 tree_node  *tree_dns_fails     = NULL;
1168 tree_node  *tree_duplicates    = NULL;
1169 tree_node  *tree_nonrecipients = NULL;
1170 tree_node  *tree_unusable      = NULL;
1171
1172 BOOL    trusted_caller         = FALSE;
1173 gid_t  *trusted_groups         = NULL;
1174 uid_t  *trusted_users          = NULL;
1175 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1176
1177 uschar *unknown_login          = NULL;
1178 uschar *unknown_username       = NULL;
1179 uschar *untrusted_set_sender   = NULL;
1180
1181 /*  A regex for matching a "From_" line in an incoming message, in the form
1182
1183     From ph10 Fri Jan  5 12:35 GMT 1996
1184
1185 which  the "mail" commands send to the MTA (undocumented, of course), or in
1186 the  form
1187
1188     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1189
1190 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1191 Because  of variations in time formats, just match up to the minutes. That
1192 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1193 so  just require one digit for hours and minutes. The weekday is also absent
1194 in  some forms. */
1195
1196 uschar *uucp_from_pattern      = US
1197    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1198    "(?:"                                          /* Non-extracting bracket */
1199    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1200    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1201    ")"                                            /* End alternation */
1202    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1203
1204 uschar *uucp_from_sender       = US"$1";
1205
1206 uschar *warn_message_file      = NULL;
1207 uschar *warnmsg_delay          = NULL;
1208 uschar *warnmsg_recipients     = NULL;
1209 BOOL    write_rejectlog        = TRUE;
1210
1211 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2005";
1212 uschar *version_date           = US"?";
1213 uschar *version_cnumber        = US"????";
1214 uschar *version_string         = US"?";
1215
1216 int     warning_count          = 0;
1217
1218 /*  End of globals.c */