src/src/globals.c

   1 /* $Cambridge: exim/src/src/globals.c,v 1.56 2006/07/13 14:46:05 ph10 Exp $ */
   2
   3 /*************************************************
   4 *     Exim - an Internet mail transport agent    *
   5 *************************************************/
   6
   7 /* Copyright (c) University of Cambridge 1995 - 2006 */
   8 /* See the file NOTICE for conditions of use and distribution. */
   9
  10 /* All the global variables are defined together in this one module, so
  11 that they are easy to find. */
  12
  13 #include "exim.h"
  14
  15
  16 /* The OSF1 linker puts out a worrying warning if any sections contain no
  17 executable code. It says
  18
  19 Warning: Linking some objects which contain exception information sections
  20         and some which do not. This may cause fatal runtime exception handling
  21         problems.
  22
  23 As this may cause people to worry needlessly, include a dummy function here
  24 to stop the message from appearing. Make it reference itself to stop picky
  25 compilers complaining that it is unused, and put in a dummy argument to stop
  26 even pickier compilers complaining about infinite loops. */
  27
  28 static void dummy(int x) { dummy(x-1); }
  29
  30
  31 /* Generic options for auths, all of which live inside auth_instance
  32 data blocks and hence have the opt_public flag set. */
  33
  34 optionlist optionlist_auths[] = {
  35   { "driver",        opt_stringptr | opt_public,
  36                  (void *)(offsetof(auth_instance, driver_name)) },
  37   { "public_name",   opt_stringptr | opt_public,
  38                  (void *)(offsetof(auth_instance, public_name)) },
  39   { "server_advertise_condition", opt_stringptr | opt_public,
  40                  (void *)(offsetof(auth_instance, advertise_condition))},
  41   { "server_debug_print", opt_stringptr | opt_public,
  42                  (void *)(offsetof(auth_instance, server_debug_string)) },
  43   { "server_mail_auth_condition", opt_stringptr | opt_public,
  44                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  45   { "server_set_id", opt_stringptr | opt_public,
  46                  (void *)(offsetof(auth_instance, set_id)) }
  47 };
  48
  49 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  50
  51 /* An empty host aliases list. */
  52
  53 uschar *no_aliases             = NULL;
  54
  55
  56 /* For comments on these variables, see globals.h. I'm too idle to
  57 duplicate them here... */
  58
  59 #ifdef EXIM_PERL
  60 uschar *opt_perl_startup       = NULL;
  61 BOOL    opt_perl_at_start      = FALSE;
  62 BOOL    opt_perl_started       = FALSE;
  63 #endif
  64
  65 #ifdef EXPAND_DLFUNC
  66 tree_node *dlobj_anchor        = NULL;
  67 #endif
  68
  69 #ifdef LOOKUP_IBASE
  70 uschar *ibase_servers          = NULL;
  71 #endif
  72
  73 #ifdef LOOKUP_LDAP
  74 uschar *eldap_default_servers  = NULL;
  75 int     eldap_version          = -1;
  76 #endif
  77
  78 #ifdef LOOKUP_MYSQL
  79 uschar *mysql_servers          = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_ORACLE
  83 uschar *oracle_servers         = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_PGSQL
  87 uschar *pgsql_servers          = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_SQLITE
  91 int     sqlite_lock_timeout    = 5;
  92 #endif
  93
  94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  95 BOOL    move_frozen_messages   = FALSE;
  96 #endif
  97
  98 /* These variables are outside the #ifdef because it keeps the code less
  99 cluttered in several places (e.g. during logging) if we can always refer to
 100 them. Also, the tls_ variables are now always visible. */
 101
 102 BOOL    tls_active             = -1;
 103 BOOL    tls_certificate_verified = FALSE;
 104 uschar *tls_cipher             = NULL;
 105 BOOL    tls_on_connect         = FALSE;
 106 uschar *tls_on_connect_ports   = NULL;
 107 uschar *tls_peerdn             = NULL;
 108
 109 #ifdef SUPPORT_TLS
 110 const pcre *regex_STARTTLS     = NULL;
 111 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 112 uschar *tls_certificate        = NULL;
 113 uschar *tls_crl                = NULL;
 114 uschar *tls_dhparam            = NULL;
 115 BOOL    tls_offered            = FALSE;
 116 uschar *tls_privatekey         = NULL;
 117 BOOL    tls_remember_esmtp     = FALSE;
 118 uschar *tls_require_ciphers    = NULL;
 119 uschar *tls_try_verify_hosts   = NULL;
 120 uschar *tls_verify_certificates= NULL;
 121 uschar *tls_verify_hosts       = NULL;
 122 #endif
 123
 124
 125 /* Input-reading functions for messages, so we can use special ones for
 126 incoming TCP/IP. The defaults use stdin. We never need these for any
 127 stand-alone tests. */
 128
 129 #ifndef STAND_ALONE
 130 int (*receive_getc)(void)      = stdin_getc;
 131 int (*receive_ungetc)(int)     = stdin_ungetc;
 132 int (*receive_feof)(void)      = stdin_feof;
 133 int (*receive_ferror)(void)    = stdin_ferror;
 134 #endif
 135
 136
 137 /* List of per-address expansion variables for clearing and saving/restoring
 138 when verifying one address while routing/verifying another. We have to have
 139 the size explicit, because it is referenced from more than one module. */
 140
 141 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 142   &deliver_address_data,
 143   &deliver_domain,
 144   &deliver_domain_data,
 145   &deliver_domain_orig,
 146   &deliver_domain_parent,
 147   &deliver_localpart,
 148   &deliver_localpart_data,
 149   &deliver_localpart_orig,
 150   &deliver_localpart_parent,
 151   &deliver_localpart_prefix,
 152   &deliver_localpart_suffix,
 153   (uschar **)(&deliver_recipients),
 154   &deliver_host,
 155   &deliver_home,
 156   &address_file,
 157   &address_pipe,
 158   &self_hostname,
 159   NULL };
 160
 161 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 162
 163 /* General global variables */
 164
 165 header_line *acl_added_headers = NULL;
 166 tree_node *acl_anchor          = NULL;
 167 uschar *acl_not_smtp           = NULL;
 168 #ifdef WITH_CONTENT_SCAN
 169 uschar *acl_not_smtp_mime      = NULL;
 170 #endif
 171 uschar *acl_not_smtp_start     = NULL;
 172 uschar *acl_smtp_auth          = NULL;
 173 uschar *acl_smtp_connect       = NULL;
 174 uschar *acl_smtp_data          = NULL;
 175 uschar *acl_smtp_etrn          = NULL;
 176 uschar *acl_smtp_expn          = NULL;
 177 uschar *acl_smtp_helo          = NULL;
 178 uschar *acl_smtp_mail          = NULL;
 179 uschar *acl_smtp_mailauth      = NULL;
 180 #ifdef WITH_CONTENT_SCAN
 181 uschar *acl_smtp_mime          = NULL;
 182 #endif
 183 uschar *acl_smtp_predata       = NULL;
 184 uschar *acl_smtp_quit          = NULL;
 185 uschar *acl_smtp_rcpt          = NULL;
 186 uschar *acl_smtp_starttls      = NULL;
 187 uschar *acl_smtp_vrfy          = NULL;
 188 BOOL    acl_temp_details       = FALSE;
 189 uschar *acl_var[ACL_CVARS + ACL_MVARS];
 190 uschar *acl_verify_message     = NULL;
 191 string_item *acl_warn_logged   = NULL;
 192
 193 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 194 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 195
 196 uschar *acl_wherenames[]       = { US"RCPT",
 197                                    US"MAIL",
 198                                    US"PREDATA",
 199                                    US"MIME",
 200                                    US"DATA",
 201                                    US"non-SMTP",
 202                                    US"AUTH",
 203                                    US"connection",
 204                                    US"ETRN",
 205                                    US"EXPN",
 206                                    US"EHLO or HELO",
 207                                    US"MAILAUTH",
 208                                    US"non-SMTP-start",
 209                                    US"QUIT",
 210                                    US"STARTTLS",
 211                                    US"VRFY"
 212                                  };
 213
 214 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 215                                    US"550",     /* MAIL */
 216                                    US"550",     /* PREDATA */
 217                                    US"550",     /* MIME */
 218                                    US"550",     /* DATA */
 219                                    US"0",       /* not SMTP; not relevant */
 220                                    US"503",     /* AUTH */
 221                                    US"550",     /* connect */
 222                                    US"458",     /* ETRN */
 223                                    US"550",     /* EXPN */
 224                                    US"550",     /* HELO/EHLO */
 225                                    US"0",       /* MAILAUTH; not relevant */
 226                                    US"0",       /* not SMTP; not relevant */
 227                                    US"0",       /* QUIT; not relevant */
 228                                    US"550",     /* STARTTLS */
 229                                    US"252"      /* VRFY */
 230                                  };
 231
 232 BOOL    active_local_from_check = FALSE;
 233 BOOL    active_local_sender_retain = FALSE;
 234 BOOL    accept_8bitmime        = FALSE;
 235 address_item  *addr_duplicate  = NULL;
 236
 237 address_item address_defaults = {
 238   NULL,                 /* next */
 239   NULL,                 /* parent */
 240   NULL,                 /* first */
 241   NULL,                 /* dupof */
 242   NULL,                 /* start_router */
 243   NULL,                 /* router */
 244   NULL,                 /* transport */
 245   NULL,                 /* host_list */
 246   NULL,                 /* host_used */
 247   NULL,                 /* fallback_hosts */
 248   NULL,                 /* reply */
 249   NULL,                 /* retries */
 250   NULL,                 /* address */
 251   NULL,                 /* unique */
 252   NULL,                 /* cc_local_part */
 253   NULL,                 /* lc_local_part */
 254   NULL,                 /* local_part */
 255   NULL,                 /* prefix */
 256   NULL,                 /* suffix */
 257   NULL,                 /* domain */
 258   NULL,                 /* address_retry_key */
 259   NULL,                 /* domain_retry_key */
 260   NULL,                 /* current_dir */
 261   NULL,                 /* home_dir */
 262   NULL,                 /* message */
 263   NULL,                 /* user_message */
 264   NULL,                 /* onetime_parent */
 265   NULL,                 /* pipe_expandn */
 266   NULL,                 /* return_filename */
 267   NULL,                 /* self_hostname */
 268   NULL,                 /* shadow_message */
 269   #ifdef SUPPORT_TLS
 270   NULL,                 /* cipher */
 271   NULL,                 /* peerdn */
 272   #endif
 273   (uid_t)(-1),          /* uid */
 274   (gid_t)(-1),          /* gid */
 275   0,                    /* flags */
 276   { 0 },                /* domain_cache - any larger array should be zeroed */
 277   { 0 },                /* localpart_cache - ditto */
 278   -1,                   /* mode */
 279   0,                    /* more_errno */
 280   ERRNO_UNKNOWNERROR,   /* basic_errno */
 281   0,                    /* child_count */
 282   -1,                   /* return_file */
 283   SPECIAL_NONE,         /* special_action */
 284   DEFER,                /* transport_return */
 285   {                     /* fields that are propagated to children */
 286     NULL,               /* address_data */
 287     NULL,               /* domain_data */
 288     NULL,               /* localpart_data */
 289     NULL,               /* errors_address */
 290     NULL,               /* extra_headers */
 291     NULL,               /* remove_headers */
 292 #ifdef EXPERIMENTAL_SRS
 293     NULL,               /* srs_sender */
 294 #endif
 295   }
 296 };
 297
 298 uschar *address_file           = NULL;
 299 uschar *address_pipe           = NULL;
 300 BOOL    address_test_mode      = FALSE;
 301 tree_node *addresslist_anchor  = NULL;
 302 int     addresslist_count      = 0;
 303 gid_t  *admin_groups           = NULL;
 304 BOOL    admin_user             = FALSE;
 305 BOOL    allow_auth_unadvertised= FALSE;
 306 BOOL    allow_domain_literals  = FALSE;
 307 BOOL    allow_mx_to_ip         = FALSE;
 308 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 309 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 310 BOOL    allow_utf8_domains     = FALSE;
 311 uschar *authenticated_id       = NULL;
 312 uschar *authenticated_sender   = NULL;
 313 BOOL    authentication_failed  = FALSE;
 314 auth_instance  *auths          = NULL;
 315 uschar *auth_advertise_hosts   = US"*";
 316 auth_instance auth_defaults    = {
 317     NULL,                      /* chain pointer */
 318     NULL,                      /* name */
 319     NULL,                      /* info */
 320     NULL,                      /* private options block pointer */
 321     NULL,                      /* driver_name */
 322     NULL,                      /* advertise_condition */
 323     NULL,                      /* public_name */
 324     NULL,                      /* set_id */
 325     NULL,                      /* server_mail_auth_condition */
 326     NULL,                      /* server_debug_string */
 327     FALSE,                     /* client */
 328     FALSE,                     /* server */
 329     FALSE                      /* advertised */
 330 };
 331
 332 uschar *auth_defer_msg         = US"reason not recorded";
 333 uschar *auth_defer_user_msg    = US"";
 334 uschar *auth_vars[AUTH_VARS];
 335 int     auto_thaw              = 0;
 336 #ifdef WITH_CONTENT_SCAN
 337 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 338 #endif
 339
 340 BOOL    background_daemon      = TRUE;
 341
 342 #if BASE_62 == 62
 343 uschar *base62_chars=
 344     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 345 #else
 346 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 347 #endif
 348
 349 uschar *bi_command             = NULL;
 350 uschar *big_buffer             = NULL;
 351 int     big_buffer_size        = BIG_BUFFER_SIZE;
 352 #ifdef EXPERIMENTAL_BRIGHTMAIL
 353 uschar *bmi_alt_location       = NULL;
 354 uschar *bmi_base64_tracker_verdict = NULL;
 355 uschar *bmi_base64_verdict     = NULL;
 356 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 357 int     bmi_deliver            = 1;
 358 int     bmi_run                = 0;
 359 uschar *bmi_verdicts           = NULL;
 360 #endif
 361 int     body_linecount         = 0;
 362 int     body_zerocount         = 0;
 363 uschar *bounce_message_file    = NULL;
 364 uschar *bounce_message_text    = NULL;
 365 uschar *bounce_recipient       = NULL;
 366 BOOL    bounce_return_body     = TRUE;
 367 BOOL    bounce_return_message  = TRUE;
 368 int     bounce_return_size_limit = 100*1024;
 369 uschar *bounce_sender_authentication = NULL;
 370 int     bsmtp_transaction_linecount = 0;
 371
 372 int     callout_cache_domain_positive_expire = 7*24*60*60;
 373 int     callout_cache_domain_negative_expire = 3*60*60;
 374 int     callout_cache_positive_expire = 24*60*60;
 375 int     callout_cache_negative_expire = 2*60*60;
 376 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 377 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W_](?>[a-z0-9/-]*[^\\W_])?)+$";
 378 int     check_log_inodes       = 0;
 379 int     check_log_space        = 0;
 380 BOOL    check_rfc2047_length   = TRUE;
 381 int     check_spool_inodes     = 0;
 382 int     check_spool_space      = 0;
 383 int     clmacro_count          = 0;
 384 uschar *clmacros[MAX_CLMACROS];
 385 BOOL    config_changed         = FALSE;
 386 FILE   *config_file            = NULL;
 387 uschar *config_filename        = NULL;
 388 int     config_lineno          = 0;
 389 #ifdef CONFIGURE_GROUP
 390 gid_t   config_gid             = CONFIGURE_GROUP;
 391 #endif
 392 uschar *config_main_filelist   = US CONFIGURE_FILE
 393                          "\0<-----------Space to patch configure_filename->";
 394 uschar *config_main_filename   = NULL;
 395
 396 #ifdef CONFIGURE_OWNER
 397 uid_t   config_uid             = CONFIGURE_OWNER;
 398 #endif
 399
 400 int     connection_max_messages= -1;
 401 uschar *continue_hostname      = NULL;
 402 uschar *continue_host_address  = NULL;
 403 BOOL    continue_more          = FALSE;
 404 int     continue_sequence      = 1;
 405 uschar *continue_transport     = NULL;
 406
 407 uschar *csa_status             = NULL;
 408
 409 BOOL    daemon_listen          = FALSE;
 410 uschar *daemon_smtp_port       = US"smtp";
 411 int     daemon_startup_retries = 9;
 412 int     daemon_startup_sleep   = 30;
 413 BOOL    debug_daemon           = FALSE;
 414 int     debug_fd               = -1;
 415 FILE   *debug_file             = NULL;
 416 bit_table debug_options[]      = {
 417   { US"acl",            D_acl },
 418   { US"all",            D_all },
 419   { US"auth",           D_auth },
 420   { US"deliver",        D_deliver },
 421   { US"dns",            D_dns },
 422   { US"dnsbl",          D_dnsbl },
 423   { US"exec",           D_exec },
 424   { US"expand",         D_expand },
 425   { US"filter",         D_filter },
 426   { US"hints_lookup",   D_hints_lookup },
 427   { US"host_lookup",    D_host_lookup },
 428   { US"ident",          D_ident },
 429   { US"interface",      D_interface },
 430   { US"lists",          D_lists },
 431   { US"load",           D_load },
 432   { US"local_scan",     D_local_scan },
 433   { US"lookup",         D_lookup },
 434   { US"memory",         D_memory },
 435   { US"pid",            D_pid },
 436   { US"process_info",   D_process_info },
 437   { US"queue_run",      D_queue_run },
 438   { US"receive",        D_receive },
 439   { US"resolver",       D_resolver },
 440   { US"retry",          D_retry },
 441   { US"rewrite",        D_rewrite },
 442   { US"route",          D_route },
 443   { US"timestamp",      D_timestamp },
 444   { US"tls",            D_tls },
 445   { US"transport",      D_transport },
 446   { US"uid",            D_uid },
 447   { US"verify",         D_verify }
 448 };
 449 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 450 unsigned int debug_selector    = 0;
 451 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 452 uschar *delay_warning_condition=
 453   US"${if or {"
 454             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 455             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 456             "} {no}{yes}}";
 457 BOOL    delivery_date_remove   = TRUE;
 458 uschar *deliver_address_data   = NULL;
 459 int     deliver_datafile       = -1;
 460 uschar *deliver_domain         = NULL;
 461 uschar *deliver_domain_data    = NULL;
 462 uschar *deliver_domain_orig    = NULL;
 463 uschar *deliver_domain_parent  = NULL;
 464 BOOL    deliver_drop_privilege = FALSE;
 465 BOOL    deliver_firsttime      = FALSE;
 466 BOOL    deliver_force          = FALSE;
 467 BOOL    deliver_freeze         = FALSE;
 468 int     deliver_frozen_at      = 0;
 469 uschar *deliver_home           = NULL;
 470 uschar *deliver_host           = NULL;
 471 uschar *deliver_host_address   = NULL;
 472 uschar *deliver_in_buffer      = NULL;
 473 ino_t   deliver_inode          = 0;
 474 uschar *deliver_localpart      = NULL;
 475 uschar *deliver_localpart_data = NULL;
 476 uschar *deliver_localpart_orig = NULL;
 477 uschar *deliver_localpart_parent = NULL;
 478 uschar *deliver_localpart_prefix = NULL;
 479 uschar *deliver_localpart_suffix = NULL;
 480 BOOL    deliver_force_thaw     = FALSE;
 481 BOOL    deliver_manual_thaw    = FALSE;
 482 uschar *deliver_out_buffer     = NULL;
 483 int     deliver_queue_load_max = -1;
 484 address_item  *deliver_recipients = NULL;
 485 uschar *deliver_selectstring   = NULL;
 486 BOOL    deliver_selectstring_regex = FALSE;
 487 uschar *deliver_selectstring_sender = NULL;
 488 BOOL    deliver_selectstring_sender_regex = FALSE;
 489 #ifdef WITH_OLD_DEMIME
 490 int     demime_errorlevel      = 0;
 491 int     demime_ok              = 0;
 492 uschar *demime_reason          = NULL;
 493 #endif
 494 BOOL    disable_ipv6           = FALSE;
 495 BOOL    disable_logging        = FALSE;
 496
 497 #ifdef EXPERIMENTAL_DOMAINKEYS
 498 uschar *dk_signing_domain      = NULL;
 499 uschar *dk_signing_selector    = NULL;
 500 int     dk_do_verify           = 0;
 501 #endif
 502
 503 uschar *dns_again_means_nonexist = NULL;
 504 int     dns_csa_search_limit   = 5;
 505 BOOL    dns_csa_use_reverse    = TRUE;
 506 uschar *dns_ipv4_lookup        = NULL;
 507 int     dns_retrans            = 0;
 508 int     dns_retry              = 0;
 509 uschar *dnslist_domain         = NULL;
 510 uschar *dnslist_text           = NULL;
 511 uschar *dnslist_value          = NULL;
 512 tree_node *domainlist_anchor   = NULL;
 513 int     domainlist_count       = 0;
 514 BOOL    dont_deliver           = FALSE;
 515 BOOL    dot_ends               = TRUE;
 516 BOOL    drop_cr                = FALSE;         /* No longer used */
 517
 518 BOOL    enable_dollar_recipients = FALSE;
 519 BOOL    envelope_to_remove     = TRUE;
 520 int     errno_quota            = ERRNO_QUOTA;
 521 uschar *errors_copy            = NULL;
 522 int     error_handling         = ERRORS_SENDER;
 523 uschar *errors_reply_to        = NULL;
 524 int     errors_sender_rc       = EXIT_FAILURE;
 525
 526 gid_t   exim_gid               = EXIM_GID;
 527 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 528 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 529                         "\0<---------------Space to patch exim_path->";
 530 uid_t   exim_uid               = EXIM_UID;
 531 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 532 int     expand_forbid          = 0;
 533 int     expand_nlength[EXPAND_MAXN+1];
 534 int     expand_nmax            = -1;
 535 uschar *expand_nstring[EXPAND_MAXN+1];
 536 BOOL    expand_string_forcedfail = FALSE;
 537 uschar *expand_string_message;
 538 BOOL    extract_addresses_remove_arguments = TRUE;
 539 uschar *extra_local_interfaces = NULL;
 540
 541 int     fake_response          = OK;
 542 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).";
 543 int     filter_n[FILTER_VARIABLE_COUNT];
 544 BOOL    filter_running         = FALSE;
 545 int     filter_sn[FILTER_VARIABLE_COUNT];
 546 int     filter_test            = FTEST_NONE;
 547 uschar *filter_test_sfile      = NULL;
 548 uschar *filter_test_ufile      = NULL;
 549 uschar *filter_thisaddress     = NULL;
 550 int     finduser_retries       = 0;
 551 #ifdef WITH_OLD_DEMIME
 552 uschar *found_extension        = NULL;
 553 #endif
 554 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 555 uschar *freeze_tell            = NULL;
 556 uschar *freeze_tell_config     = NULL;
 557 uschar *fudged_queue_times     = US"";
 558
 559 uschar *gecos_name             = NULL;
 560 uschar *gecos_pattern          = NULL;
 561 rewrite_rule  *global_rewrite_rules = NULL;
 562
 563 uschar *headers_charset        = US HEADERS_CHARSET;
 564 int     header_insert_maxlen   = 64 * 1024;
 565 header_line  *header_last      = NULL;
 566 header_line  *header_list      = NULL;
 567 int     header_maxsize         = HEADER_MAXSIZE;
 568 int     header_line_maxsize    = 0;
 569
 570 header_name header_names[] = {
 571   { US"bcc",            3, TRUE,  htype_bcc },
 572   { US"cc",             2, TRUE,  htype_cc },
 573   { US"date",           4, TRUE,  htype_date },
 574   { US"delivery-date", 13, FALSE, htype_delivery_date },
 575   { US"envelope-to",   11, FALSE, htype_envelope_to },
 576   { US"from",           4, TRUE,  htype_from },
 577   { US"message-id",    10, TRUE,  htype_id },
 578   { US"received",       8, FALSE, htype_received },
 579   { US"reply-to",       8, FALSE, htype_reply_to },
 580   { US"return-path",   11, FALSE, htype_return_path },
 581   { US"sender",         6, TRUE,  htype_sender },
 582   { US"subject",        7, FALSE, htype_subject },
 583   { US"to",             2, TRUE,  htype_to }
 584 };
 585
 586 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 587
 588 BOOL    header_rewritten       = FALSE;
 589 uschar *helo_accept_junk_hosts = NULL;
 590 uschar *helo_allow_chars       = US"";
 591 uschar *helo_lookup_domains    = US"@ : @[]";
 592 uschar *helo_try_verify_hosts  = NULL;
 593 BOOL    helo_verified          = FALSE;
 594 BOOL    helo_verify_failed     = FALSE;
 595 uschar *helo_verify_hosts      = NULL;
 596 uschar *hex_digits             = US"0123456789abcdef";
 597 uschar *hold_domains           = NULL;
 598 BOOL    host_checking          = FALSE;
 599 BOOL    host_checking_callout  = FALSE;
 600 uschar *host_data              = NULL;
 601 BOOL    host_find_failed_syntax= FALSE;
 602 uschar *host_lookup            = NULL;
 603 BOOL    host_lookup_deferred   = FALSE;
 604 BOOL    host_lookup_failed     = FALSE;
 605 uschar *host_lookup_order      = US"bydns:byaddr";
 606 uschar *host_lookup_msg        = US"";
 607 int     host_number            = 0;
 608 uschar *host_number_string     = NULL;
 609 uschar *host_reject_connection = NULL;
 610 tree_node *hostlist_anchor     = NULL;
 611 int     hostlist_count         = 0;
 612 uschar *hosts_treat_as_local   = NULL;
 613 uschar *hosts_connection_nolog = NULL;
 614
 615 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 616 BOOL    ignore_fromline_local  = FALSE;
 617 uschar *ignore_fromline_hosts  = NULL;
 618 uschar *interface_address      = NULL;
 619 int     interface_port         = -1;
 620 BOOL    is_inetd               = FALSE;
 621
 622 int     journal_fd             = -1;
 623
 624 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 625
 626 uschar *eldap_dn               = NULL;
 627 int     load_average           = -2;
 628 BOOL    local_error_message    = FALSE;
 629 BOOL    local_from_check       = TRUE;
 630 uschar *local_from_prefix      = NULL;
 631 uschar *local_from_suffix      = NULL;
 632
 633 #if HAVE_IPV6
 634 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 635 #else
 636 uschar *local_interfaces       = US"0.0.0.0";
 637 #endif
 638
 639 uschar *local_scan_data        = NULL;
 640 int     local_scan_timeout     = 5*60;
 641 BOOL    local_sender_retain    = FALSE;
 642 gid_t   local_user_gid         = (gid_t)(-1);
 643 uid_t   local_user_uid         = (uid_t)(-1);
 644
 645 tree_node *localpartlist_anchor= NULL;
 646 int     localpartlist_count    = 0;
 647 uschar *log_buffer             = NULL;
 648 unsigned int log_extra_selector = LX_default;
 649 uschar *log_file_path          = US LOG_FILE_PATH
 650                            "\0<--------------Space to patch log_file_path->";
 651
 652 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 653 are the ones that get put into log_write_selector. They can be used in calls to
 654 log_write() to test for the bit. The options with LX_xxx identifiers have
 655 values greater than 0x80000000 and are put int log_extra_selector (without the
 656 top bit). They are never used in calls to log_write(), but are tested
 657 independently. This separation became necessary when the number of log
 658 selectors was getting close to filling a 32-bit word. */
 659
 660 bit_table log_options[]        = {
 661   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 662   { US"address_rewrite",              L_address_rewrite },
 663   { US"all",                          L_all },
 664   { US"all_parents",                  L_all_parents },
 665   { US"arguments",                    LX_arguments },
 666   { US"connection_reject",            L_connection_reject },
 667   { US"delay_delivery",               L_delay_delivery },
 668   { US"deliver_time",                 LX_deliver_time },
 669   { US"delivery_size",                LX_delivery_size },
 670   { US"dnslist_defer",                L_dnslist_defer },
 671   { US"etrn",                         L_etrn },
 672   { US"host_lookup_failed",           L_host_lookup_failed },
 673   { US"ident_timeout",                LX_ident_timeout },
 674   { US"incoming_interface",           LX_incoming_interface },
 675   { US"incoming_port",                LX_incoming_port },
 676   { US"lost_incoming_connection",     L_lost_incoming_connection },
 677   { US"outgoing_port",                LX_outgoing_port },
 678   { US"queue_run",                    L_queue_run },
 679   { US"queue_time",                   LX_queue_time },
 680   { US"queue_time_overall",           LX_queue_time_overall },
 681   { US"received_recipients",          LX_received_recipients },
 682   { US"received_sender",              LX_received_sender },
 683   { US"rejected_header",              LX_rejected_header },
 684   { US"rejected_headers",             LX_rejected_header },
 685   { US"retry_defer",                  L_retry_defer },
 686   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 687   { US"sender_on_delivery",           LX_sender_on_delivery },
 688   { US"sender_verify_fail",           LX_sender_verify_fail },
 689   { US"size_reject",                  L_size_reject },
 690   { US"skip_delivery",                L_skip_delivery },
 691   { US"smtp_confirmation",            LX_smtp_confirmation },
 692   { US"smtp_connection",              L_smtp_connection },
 693   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 694   { US"smtp_protocol_error",          L_smtp_protocol_error },
 695   { US"smtp_syntax_error",            L_smtp_syntax_error },
 696   { US"subject",                      LX_subject },
 697   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 698   { US"tls_cipher",                   LX_tls_cipher },
 699   { US"tls_peerdn",                   LX_tls_peerdn },
 700   { US"unknown_in_list",              LX_unknown_in_list }
 701 };
 702
 703 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 704 unsigned int log_write_selector= L_default;
 705 uschar *log_selector_string    = NULL;
 706 FILE   *log_stderr             = NULL;
 707 BOOL    log_testing_mode       = FALSE;
 708 BOOL    log_timezone           = FALSE;
 709 uschar *login_sender_address   = NULL;
 710 int     lookup_open_max        = 25;
 711 uschar *lookup_value           = NULL;
 712
 713 macro_item  *macros            = NULL;
 714 uschar *mailstore_basename     = NULL;
 715 #ifdef WITH_CONTENT_SCAN
 716 uschar *malware_name           = NULL;  /* Virus Name */
 717 #endif
 718 int     max_username_length    = 0;
 719 int     message_age            = 0;
 720 uschar *message_body           = NULL;
 721 uschar *message_body_end       = NULL;
 722 int     message_body_size      = 0;
 723 int     message_body_visible   = 500;
 724 int     message_ended          = END_NOTSTARTED;
 725 uschar *message_headers        = NULL;
 726 uschar *message_id;
 727 uschar *message_id_domain      = NULL;
 728 uschar *message_id_text        = NULL;
 729 struct timeval message_id_tv   = { 0, 0 };
 730 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 731 uschar *message_id_external;
 732 int     message_linecount      = 0;
 733 BOOL    message_logs           = TRUE;
 734 int     message_size           = 0;
 735 uschar *message_size_limit     = US"50M";
 736 uschar  message_subdir[2]      = { 0, 0 };
 737 uschar *message_reference      = NULL;
 738
 739 /* MIME ACL expandables */
 740 #ifdef WITH_CONTENT_SCAN
 741 int     mime_anomaly_level     = 0;
 742 uschar *mime_anomaly_text      = NULL;
 743 uschar *mime_boundary          = NULL;
 744 uschar *mime_charset           = NULL;
 745 uschar *mime_content_description = NULL;
 746 uschar *mime_content_disposition = NULL;
 747 uschar *mime_content_id        = NULL;
 748 unsigned int mime_content_size = 0;
 749 uschar *mime_content_transfer_encoding = NULL;
 750 uschar *mime_content_type      = NULL;
 751 uschar *mime_decoded_filename  = NULL;
 752 uschar *mime_filename          = NULL;
 753 int     mime_is_multipart      = 0;
 754 int     mime_is_coverletter    = 0;
 755 int     mime_is_rfc822         = 0;
 756 int     mime_part_count        = -1;
 757 #endif
 758
 759 BOOL    mua_wrapper            = FALSE;
 760
 761 uid_t  *never_users            = NULL;
 762 #ifdef WITH_CONTENT_SCAN
 763 BOOL    no_mbox_unspool        = FALSE;
 764 #endif
 765 BOOL    no_multiline_responses = FALSE;
 766
 767 uid_t   original_euid;
 768 gid_t   originator_gid;
 769 uschar *originator_login       = NULL;
 770 uschar *originator_name        = NULL;
 771 uid_t   originator_uid;
 772 uschar *override_local_interfaces = NULL;
 773 uschar *override_pid_file_path = NULL;
 774
 775 BOOL    parse_allow_group      = FALSE;
 776 BOOL    parse_found_group      = FALSE;
 777 uschar *percent_hack_domains   = NULL;
 778 uschar *pid_file_path          = US PID_FILE_PATH
 779                            "\0<--------------Space to patch pid_file_path->";
 780 uschar *pipelining_advertise_hosts = US"*";
 781 BOOL    preserve_message_logs  = FALSE;
 782 uschar *primary_hostname       = NULL;
 783 BOOL    print_topbitchars      = FALSE;
 784 uschar  process_info[PROCESS_INFO_SIZE];
 785 uschar *process_log_path       = NULL;
 786 BOOL    prod_requires_admin    = TRUE;
 787 uschar *prvscheck_address      = NULL;
 788 uschar *prvscheck_keynum       = NULL;
 789 uschar *prvscheck_result       = NULL;
 790
 791
 792 uschar *qualify_domain_recipient = NULL;
 793 uschar *qualify_domain_sender  = NULL;
 794 BOOL    queue_2stage           = FALSE;
 795 uschar *queue_domains          = NULL;
 796 int     queue_interval         = -1;
 797 BOOL    queue_list_requires_admin = TRUE;
 798 BOOL    queue_only             = FALSE;
 799 uschar *queue_only_file        = NULL;
 800 int     queue_only_load        = -1;
 801 BOOL    queue_only_override    = TRUE;
 802 BOOL    queue_only_policy      = FALSE;
 803 BOOL    queue_run_first_delivery = FALSE;
 804 BOOL    queue_run_force        = FALSE;
 805 BOOL    queue_run_in_order     = FALSE;
 806 BOOL    queue_run_local        = FALSE;
 807 int     queue_run_max          = 5;
 808 pid_t   queue_run_pid          = (pid_t)0;
 809 int     queue_run_pipe         = -1;
 810 BOOL    queue_running          = FALSE;
 811 BOOL    queue_smtp             = FALSE;
 812 uschar *queue_smtp_domains     = NULL;
 813
 814 unsigned int random_seed       = 0;
 815 tree_node *ratelimiters_cmd    = NULL;
 816 tree_node *ratelimiters_conn   = NULL;
 817 tree_node *ratelimiters_mail   = NULL;
 818 uschar *raw_active_hostname    = NULL;
 819 uschar *raw_sender             = NULL;
 820 uschar **raw_recipients        = NULL;
 821 int     raw_recipients_count   = 0;
 822
 823 int     rcpt_count             = 0;
 824 int     rcpt_fail_count        = 0;
 825 int     rcpt_defer_count       = 0;
 826 gid_t   real_gid;
 827 uid_t   real_uid;
 828 BOOL    really_exim            = TRUE;
 829 BOOL    receive_call_bombout   = FALSE;
 830 int     receive_linecount      = 0;
 831 int     receive_messagecount   = 0;
 832 int     receive_timeout        = 0;
 833 int     received_count         = 0;
 834 uschar *received_for           = NULL;
 835
 836 /*  This is the default text for Received headers generated by Exim. The
 837 date  will be automatically added on the end. */
 838
 839 uschar *received_header_text   = US
 840      "Received: "
 841      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 842      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 843      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 844      "by $primary_hostname "
 845      "${if def:received_protocol {with $received_protocol}} "
 846      #ifdef SUPPORT_TLS
 847      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 848      #endif
 849      "(Exim $version_number)\n\t"
 850      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 851      "id $message_exim_id"
 852      "${if def:received_for {\n\tfor $received_for}}"
 853      "\0<---------------Space to patch received_header_text->";
 854
 855 int     received_headers_max   = 30;
 856 uschar *received_protocol      = NULL;
 857 int     received_time          = 0;
 858 uschar *recipient_data         = NULL;
 859 uschar *recipient_unqualified_hosts = NULL;
 860 uschar *recipient_verify_failure = NULL;
 861 int     recipients_count       = 0;
 862 BOOL    recipients_discarded   = FALSE;
 863 recipient_item  *recipients_list = NULL;
 864 int     recipients_list_max    = 0;
 865 int     recipients_max         = 0;
 866 BOOL    recipients_max_reject  = FALSE;
 867 const pcre *regex_AUTH         = NULL;
 868 const pcre *regex_check_dns_names = NULL;
 869 const pcre *regex_From         = NULL;
 870 const pcre *regex_IGNOREQUOTA  = NULL;
 871 const pcre *regex_PIPELINING   = NULL;
 872 const pcre *regex_SIZE         = NULL;
 873 const pcre *regex_smtp_code    = NULL;
 874 const pcre *regex_ismsgid      = NULL;
 875 #ifdef WITH_CONTENT_SCAN
 876 uschar *regex_match_string     = NULL;
 877 #endif
 878 int     remote_delivery_count  = 0;
 879 int     remote_max_parallel    = 2;
 880 uschar *remote_sort_domains    = NULL;
 881 int     retry_data_expire      = 7*24*60*60;
 882 int     retry_interval_max     = 24*60*60;
 883 int     retry_maximum_timeout  = 0;        /* set from retry config */
 884 retry_config  *retries         = NULL;
 885 uschar *return_path            = NULL;
 886 BOOL    return_path_remove     = TRUE;
 887 int     rewrite_existflags     = 0;
 888 uschar *rfc1413_hosts          = US"*";
 889 int     rfc1413_query_timeout  = 5;
 890 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 891 uid_t   root_uid               = ROOT_UID;
 892
 893 router_instance  *routers  = NULL;
 894 router_instance  router_defaults = {
 895     NULL,                      /* chain pointer */
 896     NULL,                      /* name */
 897     NULL,                      /* info */
 898     NULL,                      /* private options block pointer */
 899     NULL,                      /* driver name */
 900
 901     NULL,                      /* address_data */
 902 #ifdef EXPERIMENTAL_BRIGHTMAIL
 903     NULL,                      /* bmi_rule */
 904 #endif
 905     NULL,                      /* cannot_route_message */
 906     NULL,                      /* condition */
 907     NULL,                      /* current_directory */
 908     NULL,                      /* debug_string */
 909     NULL,                      /* domains */
 910     NULL,                      /* errors_to */
 911     NULL,                      /* expand_gid */
 912     NULL,                      /* expand_uid */
 913     NULL,                      /* expand_more */
 914     NULL,                      /* expand_unseen */
 915     NULL,                      /* extra_headers */
 916     NULL,                      /* fallback_hosts */
 917     NULL,                      /* home_directory */
 918     NULL,                      /* ignore_target_hosts */
 919     NULL,                      /* local_parts */
 920     NULL,                      /* pass_router_name */
 921     NULL,                      /* prefix */
 922     NULL,                      /* redirect_router_name */
 923     NULL,                      /* remove_headers */
 924     NULL,                      /* require_files */
 925     NULL,                      /* router_home_directory */
 926     US"freeze",                /* self */
 927     NULL,                      /* senders */
 928     NULL,                      /* suffix */
 929     NULL,                      /* translate_ip_address */
 930     NULL,                      /* transport_name */
 931
 932     TRUE,                      /* address_test */
 933 #ifdef EXPERIMENTAL_BRIGHTMAIL
 934     FALSE,                     /* bmi_deliver_alternate */
 935     FALSE,                     /* bmi_deliver_default */
 936     FALSE,                     /* bmi_dont_deliver */
 937 #endif
 938     TRUE,                      /* expn */
 939     FALSE,                     /* caseful_local_part */
 940     FALSE,                     /* check_local_user */
 941     FALSE,                     /* disable_logging */
 942     FALSE,                     /* fail_verify_recipient */
 943     FALSE,                     /* fail_verify_sender */
 944     FALSE,                     /* gid_set */
 945     FALSE,                     /* initgroups */
 946     TRUE_UNSET,                /* log_as_local */
 947     TRUE,                      /* more */
 948     FALSE,                     /* pass_on_timeout */
 949     FALSE,                     /* prefix_optional */
 950     TRUE,                      /* repeat_use */
 951     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
 952     FALSE,                     /* same_domain_copy_routing */
 953     FALSE,                     /* self_rewrite */
 954     FALSE,                     /* suffix_optional */
 955     FALSE,                     /* verify_only */
 956     TRUE,                      /* verify_recipient */
 957     TRUE,                      /* verify_sender */
 958     FALSE,                     /* uid_set */
 959     FALSE,                     /* unseen */
 960
 961     self_freeze,               /* self_code */
 962     (uid_t)(-1),               /* uid */
 963     (gid_t)(-1),               /* gid */
 964
 965     NULL,                      /* fallback_hostlist */
 966     NULL,                      /* transport instance */
 967     NULL,                      /* pass_router */
 968     NULL                       /* redirect_router */
 969 };
 970
 971 ip_address_item *running_interfaces = NULL;
 972 BOOL    running_in_test_harness = FALSE;
 973
 974 /* This is a weird one. The following string gets patched in the binary by the
 975 script that sets up a copy of Exim for running in the test harness. It seems
 976 that compilers are now clever, and share constant strings if they can.
 977 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
 978 make use of the end of this string in order to save space. So the patching then
 979 wrecks this. We default this optimization by adding some additional characters
 980 onto the end of the string. */
 981
 982 uschar *running_status         = US">>>running<<<" "\0EXTRA";
 983
 984 int     runrc                  = 0;
 985
 986 uschar *search_error_message   = NULL;
 987 BOOL    search_find_defer      = FALSE;
 988 uschar *self_hostname          = NULL;
 989 uschar *sender_address         = NULL;
 990 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
 991 uschar *sender_address_data    = NULL;
 992 BOOL    sender_address_forced  = FALSE;
 993 uschar *sender_address_unrewritten = NULL;
 994 uschar *sender_data            = NULL;
 995 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
 996 uschar *sender_fullhost        = NULL;
 997 uschar *sender_helo_name       = NULL;
 998 uschar **sender_host_aliases   = &no_aliases;
 999 uschar *sender_host_address    = NULL;
1000 uschar *sender_host_authenticated = NULL;
1001 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1002 uschar *sender_host_name       = NULL;
1003 int     sender_host_port       = 0;
1004 BOOL    sender_host_notsocket  = FALSE;
1005 BOOL    sender_host_unknown    = FALSE;
1006 uschar *sender_ident           = NULL;
1007 BOOL    sender_local           = FALSE;
1008 BOOL    sender_name_forced     = FALSE;
1009 uschar *sender_rate            = NULL;
1010 uschar *sender_rate_limit      = NULL;
1011 uschar *sender_rate_period     = NULL;
1012 uschar *sender_rcvhost         = NULL;
1013 BOOL    sender_set_untrusted   = FALSE;
1014 uschar *sender_unqualified_hosts = NULL;
1015 uschar *sender_verify_failure = NULL;
1016 address_item *sender_verified_list  = NULL;
1017 address_item *sender_verified_failed = NULL;
1018 int     sender_verified_rc     = -1;
1019 BOOL    sender_verified_responded = FALSE;
1020 volatile  BOOL sigalrm_seen    = FALSE;
1021 uschar **sighup_argv           = NULL;
1022 int     smtp_accept_count      = 0;
1023 BOOL    smtp_accept_keepalive  = TRUE;
1024 int     smtp_accept_max        = 20;
1025 int     smtp_accept_max_nonmail= 10;
1026 uschar *smtp_accept_max_nonmail_hosts = US"*";
1027 int     smtp_accept_max_per_connection = 1000;
1028 uschar *smtp_accept_max_per_host = NULL;
1029 int     smtp_accept_queue      = 0;
1030 int     smtp_accept_queue_per_connection = 10;
1031 int     smtp_accept_reserve    = 0;
1032 uschar *smtp_active_hostname   = NULL;
1033 BOOL    smtp_authenticated     = FALSE;
1034 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1035                              "Exim $version_number $tod_full"
1036                              "\0<---------------Space to patch smtp_banner->";
1037 BOOL    smtp_batched_input     = FALSE;
1038 BOOL    smtp_check_spool_space = TRUE;
1039 uschar *smtp_cmd_argument      = NULL;
1040 uschar *smtp_cmd_buffer        = NULL;
1041 int     smtp_connect_backlog   = 20;
1042 double  smtp_delay_mail        = 0.0;
1043 double  smtp_delay_rcpt        = 0.0;
1044 BOOL    smtp_enforce_sync      = TRUE;
1045 FILE   *smtp_in                = NULL;
1046 BOOL    smtp_input             = FALSE;
1047 int     smtp_load_reserve      = -1;
1048 int     smtp_mailcmd_count     = 0;
1049 FILE   *smtp_out               = NULL;
1050 uschar *smtp_etrn_command      = NULL;
1051 BOOL    smtp_etrn_serialize    = TRUE;
1052 int     smtp_max_synprot_errors= 3;
1053 int     smtp_max_unknown_commands = 3;
1054 uschar *smtp_ratelimit_hosts   = NULL;
1055 uschar *smtp_ratelimit_mail    = NULL;
1056 uschar *smtp_ratelimit_rcpt    = NULL;
1057 uschar *smtp_read_error        = US"";
1058 int     smtp_receive_timeout   = 5*60;
1059 uschar *smtp_reserve_hosts     = NULL;
1060 BOOL    smtp_return_error_details = FALSE;
1061 int     smtp_rlm_base          = 0;
1062 double  smtp_rlm_factor        = 0.0;
1063 int     smtp_rlm_limit         = 0;
1064 int     smtp_rlm_threshold     = INT_MAX;
1065 int     smtp_rlr_base          = 0;
1066 double  smtp_rlr_factor        = 0.0;
1067 int     smtp_rlr_limit         = 0;
1068 int     smtp_rlr_threshold     = INT_MAX;
1069 BOOL    smtp_use_pipelining    = FALSE;
1070 BOOL    smtp_use_size          = FALSE;
1071
1072 #ifdef WITH_CONTENT_SCAN
1073 uschar *spamd_address          = US"127.0.0.1 783";
1074 uschar *spam_bar               = NULL;
1075 uschar *spam_report            = NULL;
1076 uschar *spam_score             = NULL;
1077 uschar *spam_score_int         = NULL;
1078 #endif
1079 #ifdef EXPERIMENTAL_SPF
1080 uschar *spf_header_comment     = NULL;
1081 uschar *spf_received           = NULL;
1082 uschar *spf_result             = NULL;
1083 uschar *spf_smtp_comment       = NULL;
1084 #endif
1085
1086 BOOL    split_spool_directory  = FALSE;
1087 uschar *spool_directory        = US SPOOL_DIRECTORY
1088                            "\0<--------------Space to patch spool_directory->";
1089 #ifdef EXPERIMENTAL_SRS
1090 uschar *srs_config             = NULL;
1091 uschar *srs_db_address         = NULL;
1092 uschar *srs_db_key             = NULL;
1093 int     srs_hashlength         = 6;
1094 int     srs_hashmin            = -1;
1095 int     srs_maxage             = 31;
1096 uschar *srs_orig_recipient     = NULL;
1097 uschar *srs_orig_sender        = NULL;
1098 uschar *srs_recipient          = NULL;
1099 uschar *srs_secrets            = NULL;
1100 uschar *srs_status             = NULL;
1101 BOOL    srs_usehash            = TRUE;
1102 BOOL    srs_usetimestamp       = TRUE;
1103 #endif
1104 int     string_datestamp_offset= -1;
1105 BOOL    strip_excess_angle_brackets = FALSE;
1106 BOOL    strip_trailing_dot     = FALSE;
1107 uschar *submission_domain      = NULL;
1108 BOOL    submission_mode        = FALSE;
1109 uschar *submission_name        = NULL;
1110 BOOL    suppress_local_fixups  = FALSE;
1111 BOOL    synchronous_delivery   = FALSE;
1112 BOOL    syslog_duplication     = TRUE;
1113 int     syslog_facility        = LOG_MAIL;
1114 uschar *syslog_processname     = US"exim";
1115 BOOL    syslog_timestamp       = TRUE;
1116 uschar *system_filter          = NULL;
1117
1118 uschar *system_filter_directory_transport = NULL;
1119 uschar *system_filter_file_transport = NULL;
1120 uschar *system_filter_pipe_transport = NULL;
1121 uschar *system_filter_reply_transport = NULL;
1122
1123 gid_t   system_filter_gid      = 0;
1124 BOOL    system_filter_gid_set  = FALSE;
1125 uid_t   system_filter_uid      = 0;
1126 BOOL    system_filter_uid_set  = FALSE;
1127 BOOL    system_filtering       = FALSE;
1128
1129 BOOL    tcp_nodelay            = TRUE;
1130 int     thismessage_size_limit = 0;
1131 int     timeout_frozen_after   = 0;
1132 BOOL    timestamps_utc         = FALSE;
1133
1134 transport_instance  *transports = NULL;
1135
1136 transport_instance  transport_defaults = {
1137     NULL,                     /* chain pointer */
1138     NULL,                     /* name */
1139     NULL,                     /* info */
1140     NULL,                     /* private options block pointer */
1141     NULL,                     /* driver name */
1142     NULL,                     /* setup entry point */
1143     1,                        /* batch_max */
1144     NULL,                     /* batch_id */
1145     NULL,                     /* home_dir */
1146     NULL,                     /* current_dir */
1147     TRUE,                     /* multi-domain */
1148     FALSE,                    /* overrides_hosts */
1149     100,                      /* max_addresses */
1150     500,                      /* connection_max_messages */
1151     FALSE,                    /* deliver_as_creator */
1152     FALSE,                    /* disable_logging */
1153     FALSE,                    /* initgroups */
1154     FALSE,                    /* uid_set */
1155     FALSE,                    /* gid_set */
1156     (uid_t)(-1),              /* uid */
1157     (gid_t)(-1),              /* gid */
1158     NULL,                     /* expand_uid */
1159     NULL,                     /* expand_gid */
1160     NULL,                     /* warn_message */
1161     NULL,                     /* shadow */
1162     NULL,                     /* shadow_condition */
1163     NULL,                     /* filter_command */
1164     NULL,                     /* add_headers */
1165     NULL,                     /* remove_headers */
1166     NULL,                     /* return_path */
1167     NULL,                     /* debug_string */
1168     NULL,                     /* message_size_limit */
1169     NULL,                     /* headers_rewrite */
1170     NULL,                     /* rewrite_rules */
1171     0,                        /* rewrite_existflags */
1172     300,                      /* filter_timeout */
1173     FALSE,                    /* body_only */
1174     FALSE,                    /* delivery_date_add */
1175     FALSE,                    /* envelope_to_add */
1176     FALSE,                    /* headers_only */
1177     FALSE,                    /* rcpt_include_affixes */
1178     FALSE,                    /* return_path_add */
1179     FALSE,                    /* return_output */
1180     FALSE,                    /* return_fail_output */
1181     FALSE,                    /* log_output */
1182     FALSE,                    /* log_fail_output */
1183     FALSE,                    /* log_defer_output */
1184     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1185                                  1 nor 0 so can detect unset */
1186 };
1187
1188 int     transport_count;
1189 uschar **transport_filter_argv  = NULL;
1190 int     transport_filter_timeout;
1191 BOOL    transport_filter_timed_out = FALSE;
1192 int     transport_write_timeout= 0;
1193
1194 tree_node  *tree_dns_fails     = NULL;
1195 tree_node  *tree_duplicates    = NULL;
1196 tree_node  *tree_nonrecipients = NULL;
1197 tree_node  *tree_unusable      = NULL;
1198
1199 BOOL    trusted_caller         = FALSE;
1200 gid_t  *trusted_groups         = NULL;
1201 uid_t  *trusted_users          = NULL;
1202 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1203
1204 uschar *unknown_login          = NULL;
1205 uschar *unknown_username       = NULL;
1206 uschar *untrusted_set_sender   = NULL;
1207
1208 /*  A regex for matching a "From_" line in an incoming message, in the form
1209
1210     From ph10 Fri Jan  5 12:35 GMT 1996
1211
1212 which  the "mail" commands send to the MTA (undocumented, of course), or in
1213 the  form
1214
1215     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1216
1217 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1218 Because  of variations in time formats, just match up to the minutes. That
1219 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1220 so  just require one digit for hours and minutes. The weekday is also absent
1221 in  some forms. */
1222
1223 uschar *uucp_from_pattern      = US
1224    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1225    "(?:"                                          /* Non-extracting bracket */
1226    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1227    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1228    ")"                                            /* End alternation */
1229    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1230
1231 uschar *uucp_from_sender       = US"$1";
1232
1233 uschar *warn_message_file      = NULL;
1234 uschar *warnmsg_delay          = NULL;
1235 uschar *warnmsg_recipients     = NULL;
1236 BOOL    write_rejectlog        = TRUE;
1237
1238 uschar *version_copyright      = US"Copyright (c) University of Cambridge 2006";
1239 uschar *version_date           = US"?";
1240 uschar *version_cnumber        = US"????";
1241 uschar *version_string         = US"?";
1242
1243 int     warning_count          = 0;
1244
1245 /*  End of globals.c */