src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2012 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* All the global variables are defined together in this one module, so
   9 that they are easy to find. */
  10
  11 #include "exim.h"
  12
  13
  14 /* Generic options for auths, all of which live inside auth_instance
  15 data blocks and hence have the opt_public flag set. */
  16
  17 optionlist optionlist_auths[] = {
  18   { "client_condition", opt_stringptr | opt_public,
  19                  (void *)(offsetof(auth_instance, client_condition)) },
  20   { "client_set_id", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, set_client_id)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(auth_instance, set_id)) }
  36 };
  37
  38 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 #endif
  53
  54 #ifdef EXPAND_DLFUNC
  55 tree_node *dlobj_anchor        = NULL;
  56 #endif
  57
  58 #ifdef LOOKUP_IBASE
  59 uschar *ibase_servers          = NULL;
  60 #endif
  61
  62 #ifdef LOOKUP_LDAP
  63 uschar *eldap_ca_cert_dir      = NULL;
  64 uschar *eldap_ca_cert_file     = NULL;
  65 uschar *eldap_cert_file        = NULL;
  66 uschar *eldap_cert_key         = NULL;
  67 uschar *eldap_cipher_suite     = NULL;
  68 uschar *eldap_default_servers  = NULL;
  69 uschar *eldap_require_cert     = NULL;
  70 int     eldap_version          = -1;
  71 BOOL    eldap_start_tls        = FALSE;
  72 #endif
  73
  74 #ifdef LOOKUP_MYSQL
  75 uschar *mysql_servers          = NULL;
  76 #endif
  77
  78 #ifdef LOOKUP_ORACLE
  79 uschar *oracle_servers         = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_PGSQL
  83 uschar *pgsql_servers          = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_SQLITE
  87 int     sqlite_lock_timeout    = 5;
  88 #endif
  89
  90 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  91 BOOL    move_frozen_messages   = FALSE;
  92 #endif
  93
  94 /* These variables are outside the #ifdef because it keeps the code less
  95 cluttered in several places (e.g. during logging) if we can always refer to
  96 them. Also, the tls_ variables are now always visible. */
  97
  98 tls_support tls_in = {
  99  -1,   /* tls_active */
 100  0,    /* tls_bits */
 101  FALSE,/* tls_certificate_verified */
 102  NULL, /* tls_cipher */
 103  FALSE,/* tls_on_connect */
 104  NULL, /* tls_on_connect_ports */
 105  NULL, /* tls_peerdn */
 106  NULL  /* tls_sni */
 107 };
 108 tls_support tls_out = {
 109  -1,   /* tls_active */
 110  0,    /* tls_bits */
 111  FALSE,/* tls_certificate_verified */
 112  NULL, /* tls_cipher */
 113  FALSE,/* tls_on_connect */
 114  NULL, /* tls_on_connect_ports */
 115  NULL, /* tls_peerdn */
 116  NULL  /* tls_sni */
 117 };
 118
 119
 120 #ifdef SUPPORT_TLS
 121 BOOL    gnutls_compat_mode     = FALSE;
 122 BOOL    gnutls_enable_pkcs11   = FALSE;
 123 uschar *gnutls_require_mac     = NULL;
 124 uschar *gnutls_require_kx      = NULL;
 125 uschar *gnutls_require_proto   = NULL;
 126 uschar *openssl_options        = NULL;
 127 const pcre *regex_STARTTLS     = NULL;
 128 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 129 uschar *tls_certificate        = NULL;
 130 uschar *tls_crl                = NULL;
 131 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 132 that's the interop problem which has been observed: GnuTLS suggesting a higher
 133 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 134 int     tls_dh_max_bits        = 2236;
 135 uschar *tls_dhparam            = NULL;
 136 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
 137 uschar *tls_ocsp_file          = NULL;
 138 #endif
 139 BOOL    tls_offered            = FALSE;
 140 uschar *tls_privatekey         = NULL;
 141 BOOL    tls_remember_esmtp     = FALSE;
 142 uschar *tls_require_ciphers    = NULL;
 143 uschar *tls_try_verify_hosts   = NULL;
 144 uschar *tls_verify_certificates= NULL;
 145 uschar *tls_verify_hosts       = NULL;
 146 #endif
 147
 148
 149 /* Input-reading functions for messages, so we can use special ones for
 150 incoming TCP/IP. The defaults use stdin. We never need these for any
 151 stand-alone tests. */
 152
 153 #ifndef STAND_ALONE
 154 int (*receive_getc)(void)      = stdin_getc;
 155 int (*receive_ungetc)(int)     = stdin_ungetc;
 156 int (*receive_feof)(void)      = stdin_feof;
 157 int (*receive_ferror)(void)    = stdin_ferror;
 158 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 159 #endif
 160
 161
 162 /* List of per-address expansion variables for clearing and saving/restoring
 163 when verifying one address while routing/verifying another. We have to have
 164 the size explicit, because it is referenced from more than one module. */
 165
 166 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 167   &deliver_address_data,
 168   &deliver_domain,
 169   &deliver_domain_data,
 170   &deliver_domain_orig,
 171   &deliver_domain_parent,
 172   &deliver_localpart,
 173   &deliver_localpart_data,
 174   &deliver_localpart_orig,
 175   &deliver_localpart_parent,
 176   &deliver_localpart_prefix,
 177   &deliver_localpart_suffix,
 178   (uschar **)(&deliver_recipients),
 179   &deliver_host,
 180   &deliver_home,
 181   &address_file,
 182   &address_pipe,
 183   &self_hostname,
 184   NULL };
 185
 186 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 187
 188 /* General global variables */
 189
 190 header_line *acl_added_headers = NULL;
 191 tree_node *acl_anchor          = NULL;
 192 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 193                                   NULL, NULL, NULL, NULL};
 194 int     acl_narg               = 0;
 195
 196 uschar *acl_not_smtp           = NULL;
 197 #ifdef WITH_CONTENT_SCAN
 198 uschar *acl_not_smtp_mime      = NULL;
 199 #endif
 200 uschar *acl_not_smtp_start     = NULL;
 201 uschar *acl_removed_headers    = NULL;
 202 uschar *acl_smtp_auth          = NULL;
 203 uschar *acl_smtp_connect       = NULL;
 204 uschar *acl_smtp_data          = NULL;
 205 #ifndef DISABLE_DKIM
 206 uschar *acl_smtp_dkim          = NULL;
 207 #endif
 208 uschar *acl_smtp_etrn          = NULL;
 209 uschar *acl_smtp_expn          = NULL;
 210 uschar *acl_smtp_helo          = NULL;
 211 uschar *acl_smtp_mail          = NULL;
 212 uschar *acl_smtp_mailauth      = NULL;
 213 #ifdef WITH_CONTENT_SCAN
 214 uschar *acl_smtp_mime          = NULL;
 215 #endif
 216 uschar *acl_smtp_notquit       = NULL;
 217 uschar *acl_smtp_predata       = NULL;
 218 uschar *acl_smtp_quit          = NULL;
 219 uschar *acl_smtp_rcpt          = NULL;
 220 uschar *acl_smtp_starttls      = NULL;
 221 uschar *acl_smtp_vrfy          = NULL;
 222
 223 BOOL    acl_temp_details       = FALSE;
 224 tree_node *acl_var_c           = NULL;
 225 tree_node *acl_var_m           = NULL;
 226 uschar *acl_verify_message     = NULL;
 227 string_item *acl_warn_logged   = NULL;
 228
 229 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 230 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 231
 232 uschar *acl_wherenames[]       = { US"RCPT",
 233                                    US"MAIL",
 234                                    US"PREDATA",
 235                                    US"MIME",
 236                                    US"DKIM",
 237                                    US"DATA",
 238                                    US"non-SMTP",
 239                                    US"AUTH",
 240                                    US"connection",
 241                                    US"ETRN",
 242                                    US"EXPN",
 243                                    US"EHLO or HELO",
 244                                    US"MAILAUTH",
 245                                    US"non-SMTP-start",
 246                                    US"NOTQUIT",
 247                                    US"QUIT",
 248                                    US"STARTTLS",
 249                                    US"VRFY",
 250                                    US"delivery",
 251                                    US"unknown"
 252                                  };
 253
 254 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 255                                    US"550",     /* MAIL */
 256                                    US"550",     /* PREDATA */
 257                                    US"550",     /* MIME */
 258                                    US"550",     /* DKIM */
 259                                    US"550",     /* DATA */
 260                                    US"0",       /* not SMTP; not relevant */
 261                                    US"503",     /* AUTH */
 262                                    US"550",     /* connect */
 263                                    US"458",     /* ETRN */
 264                                    US"550",     /* EXPN */
 265                                    US"550",     /* HELO/EHLO */
 266                                    US"0",       /* MAILAUTH; not relevant */
 267                                    US"0",       /* not SMTP; not relevant */
 268                                    US"0",       /* NOTQUIT; not relevant */
 269                                    US"0",       /* QUIT; not relevant */
 270                                    US"550",     /* STARTTLS */
 271                                    US"252",     /* VRFY */
 272                                    US"0",       /* delivery; not relevant */
 273                                    US"0"        /* unknown; not relevant */
 274                                  };
 275
 276 BOOL    active_local_from_check = FALSE;
 277 BOOL    active_local_sender_retain = FALSE;
 278 int     body_8bitmime = 0;
 279 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 280 address_item  *addr_duplicate  = NULL;
 281
 282 address_item address_defaults = {
 283   NULL,                 /* next */
 284   NULL,                 /* parent */
 285   NULL,                 /* first */
 286   NULL,                 /* dupof */
 287   NULL,                 /* start_router */
 288   NULL,                 /* router */
 289   NULL,                 /* transport */
 290   NULL,                 /* host_list */
 291   NULL,                 /* host_used */
 292   NULL,                 /* fallback_hosts */
 293   NULL,                 /* reply */
 294   NULL,                 /* retries */
 295   NULL,                 /* address */
 296   NULL,                 /* unique */
 297   NULL,                 /* cc_local_part */
 298   NULL,                 /* lc_local_part */
 299   NULL,                 /* local_part */
 300   NULL,                 /* prefix */
 301   NULL,                 /* suffix */
 302   NULL,                 /* domain */
 303   NULL,                 /* address_retry_key */
 304   NULL,                 /* domain_retry_key */
 305   NULL,                 /* current_dir */
 306   NULL,                 /* home_dir */
 307   NULL,                 /* message */
 308   NULL,                 /* user_message */
 309   NULL,                 /* onetime_parent */
 310   NULL,                 /* pipe_expandn */
 311   NULL,                 /* return_filename */
 312   NULL,                 /* self_hostname */
 313   NULL,                 /* shadow_message */
 314   #ifdef SUPPORT_TLS
 315   NULL,                 /* cipher */
 316   NULL,                 /* peerdn */
 317   #endif
 318   (uid_t)(-1),          /* uid */
 319   (gid_t)(-1),          /* gid */
 320   0,                    /* flags */
 321   { 0 },                /* domain_cache - any larger array should be zeroed */
 322   { 0 },                /* localpart_cache - ditto */
 323   -1,                   /* mode */
 324   0,                    /* more_errno */
 325   ERRNO_UNKNOWNERROR,   /* basic_errno */
 326   0,                    /* child_count */
 327   -1,                   /* return_file */
 328   SPECIAL_NONE,         /* special_action */
 329   DEFER,                /* transport_return */
 330   {                     /* fields that are propagated to children */
 331     NULL,               /* address_data */
 332     NULL,               /* domain_data */
 333     NULL,               /* localpart_data */
 334     NULL,               /* errors_address */
 335     NULL,               /* extra_headers */
 336     NULL,               /* remove_headers */
 337 #ifdef EXPERIMENTAL_SRS
 338     NULL,               /* srs_sender */
 339 #endif
 340   }
 341 };
 342
 343 uschar *address_file           = NULL;
 344 uschar *address_pipe           = NULL;
 345 BOOL    address_test_mode      = FALSE;
 346 tree_node *addresslist_anchor  = NULL;
 347 int     addresslist_count      = 0;
 348 gid_t  *admin_groups           = NULL;
 349 BOOL    admin_user             = FALSE;
 350 BOOL    allow_auth_unadvertised= FALSE;
 351 BOOL    allow_domain_literals  = FALSE;
 352 BOOL    allow_mx_to_ip         = FALSE;
 353 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 354 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 355 BOOL    allow_utf8_domains     = FALSE;
 356 uschar *authenticated_id       = NULL;
 357 uschar *authenticated_sender   = NULL;
 358 BOOL    authentication_failed  = FALSE;
 359 auth_instance  *auths          = NULL;
 360 uschar *auth_advertise_hosts   = US"*";
 361 auth_instance auth_defaults    = {
 362     NULL,                      /* chain pointer */
 363     NULL,                      /* name */
 364     NULL,                      /* info */
 365     NULL,                      /* private options block pointer */
 366     NULL,                      /* driver_name */
 367     NULL,                      /* advertise_condition */
 368     NULL,                      /* client_condition */
 369     NULL,                      /* public_name */
 370     NULL,                      /* set_id */
 371     NULL,                      /* server_mail_auth_condition */
 372     NULL,                      /* server_debug_string */
 373     NULL,                      /* server_condition */
 374     FALSE,                     /* client */
 375     FALSE,                     /* server */
 376     FALSE                      /* advertised */
 377 };
 378
 379 uschar *auth_defer_msg         = US"reason not recorded";
 380 uschar *auth_defer_user_msg    = US"";
 381 uschar *auth_vars[AUTH_VARS];
 382 int     auto_thaw              = 0;
 383 #ifdef WITH_CONTENT_SCAN
 384 BOOL    av_failed              = FALSE;
 385 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 386 #endif
 387
 388 BOOL    background_daemon      = TRUE;
 389
 390 #if BASE_62 == 62
 391 uschar *base62_chars=
 392     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 393 #else
 394 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 395 #endif
 396
 397 uschar *bi_command             = NULL;
 398 uschar *big_buffer             = NULL;
 399 int     big_buffer_size        = BIG_BUFFER_SIZE;
 400 #ifdef EXPERIMENTAL_BRIGHTMAIL
 401 uschar *bmi_alt_location       = NULL;
 402 uschar *bmi_base64_tracker_verdict = NULL;
 403 uschar *bmi_base64_verdict     = NULL;
 404 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 405 int     bmi_deliver            = 1;
 406 int     bmi_run                = 0;
 407 uschar *bmi_verdicts           = NULL;
 408 #endif
 409 int     body_linecount         = 0;
 410 int     body_zerocount         = 0;
 411 uschar *bounce_message_file    = NULL;
 412 uschar *bounce_message_text    = NULL;
 413 uschar *bounce_recipient       = NULL;
 414 BOOL    bounce_return_body     = TRUE;
 415 BOOL    bounce_return_message  = TRUE;
 416 int     bounce_return_size_limit = 100*1024;
 417 uschar *bounce_sender_authentication = NULL;
 418 int     bsmtp_transaction_linecount = 0;
 419
 420 int     callout_cache_domain_positive_expire = 7*24*60*60;
 421 int     callout_cache_domain_negative_expire = 3*60*60;
 422 int     callout_cache_positive_expire = 24*60*60;
 423 int     callout_cache_negative_expire = 2*60*60;
 424 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 425 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 426 int     check_log_inodes       = 0;
 427 int     check_log_space        = 0;
 428 BOOL    check_rfc2047_length   = TRUE;
 429 int     check_spool_inodes     = 0;
 430 int     check_spool_space      = 0;
 431 uschar  *client_authenticator  = NULL;
 432 uschar  *client_authenticated_id = NULL;
 433 int     clmacro_count          = 0;
 434 uschar *clmacros[MAX_CLMACROS];
 435 BOOL    config_changed         = FALSE;
 436 FILE   *config_file            = NULL;
 437 uschar *config_filename        = NULL;
 438 int     config_lineno          = 0;
 439 #ifdef CONFIGURE_GROUP
 440 gid_t   config_gid             = CONFIGURE_GROUP;
 441 #endif
 442 uschar *config_main_filelist   = US CONFIGURE_FILE
 443                          "\0<-----------Space to patch configure_filename->";
 444 uschar *config_main_filename   = NULL;
 445
 446 #ifdef CONFIGURE_OWNER
 447 uid_t   config_uid             = CONFIGURE_OWNER;
 448 #endif
 449
 450 int     connection_max_messages= -1;
 451 uschar *continue_hostname      = NULL;
 452 uschar *continue_host_address  = NULL;
 453 BOOL    continue_more          = FALSE;
 454 int     continue_sequence      = 1;
 455 uschar *continue_transport     = NULL;
 456
 457 uschar *csa_status             = NULL;
 458 BOOL    cutthrough_delivery    = FALSE;
 459 int     cutthrough_fd          = -1;
 460
 461 BOOL    daemon_listen          = FALSE;
 462 uschar *daemon_smtp_port       = US"smtp";
 463 int     daemon_startup_retries = 9;
 464 int     daemon_startup_sleep   = 30;
 465
 466 #ifdef EXPERIMENTAL_DCC
 467 BOOL    dcc_direct_add_header  = FALSE;
 468 uschar *dcc_header             = NULL;
 469 uschar *dcc_result             = NULL;
 470 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 471 uschar *dccifd_options         = US"header";
 472 #endif
 473
 474 BOOL    debug_daemon           = FALSE;
 475 int     debug_fd               = -1;
 476 FILE   *debug_file             = NULL;
 477 bit_table debug_options[]      = {
 478   { US"acl",            D_acl },
 479   { US"all",            D_all },
 480   { US"auth",           D_auth },
 481   { US"deliver",        D_deliver },
 482   { US"dns",            D_dns },
 483   { US"dnsbl",          D_dnsbl },
 484   { US"exec",           D_exec },
 485   { US"expand",         D_expand },
 486   { US"filter",         D_filter },
 487   { US"hints_lookup",   D_hints_lookup },
 488   { US"host_lookup",    D_host_lookup },
 489   { US"ident",          D_ident },
 490   { US"interface",      D_interface },
 491   { US"lists",          D_lists },
 492   { US"load",           D_load },
 493   { US"local_scan",     D_local_scan },
 494   { US"lookup",         D_lookup },
 495   { US"memory",         D_memory },
 496   { US"pid",            D_pid },
 497   { US"process_info",   D_process_info },
 498   { US"queue_run",      D_queue_run },
 499   { US"receive",        D_receive },
 500   { US"resolver",       D_resolver },
 501   { US"retry",          D_retry },
 502   { US"rewrite",        D_rewrite },
 503   { US"route",          D_route },
 504   { US"timestamp",      D_timestamp },
 505   { US"tls",            D_tls },
 506   { US"transport",      D_transport },
 507   { US"uid",            D_uid },
 508   { US"verify",         D_verify }
 509 };
 510 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 511 unsigned int debug_selector    = 0;
 512 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 513 uschar *delay_warning_condition=
 514   US"${if or {"
 515             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 516             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 517             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 518             "} {no}{yes}}";
 519 BOOL    delivery_date_remove   = TRUE;
 520 uschar *deliver_address_data   = NULL;
 521 int     deliver_datafile       = -1;
 522 uschar *deliver_domain         = NULL;
 523 uschar *deliver_domain_data    = NULL;
 524 uschar *deliver_domain_orig    = NULL;
 525 uschar *deliver_domain_parent  = NULL;
 526 BOOL    deliver_drop_privilege = FALSE;
 527 BOOL    deliver_firsttime      = FALSE;
 528 BOOL    deliver_force          = FALSE;
 529 BOOL    deliver_freeze         = FALSE;
 530 int     deliver_frozen_at      = 0;
 531 uschar *deliver_home           = NULL;
 532 uschar *deliver_host           = NULL;
 533 uschar *deliver_host_address   = NULL;
 534 uschar *deliver_in_buffer      = NULL;
 535 ino_t   deliver_inode          = 0;
 536 uschar *deliver_localpart      = NULL;
 537 uschar *deliver_localpart_data = NULL;
 538 uschar *deliver_localpart_orig = NULL;
 539 uschar *deliver_localpart_parent = NULL;
 540 uschar *deliver_localpart_prefix = NULL;
 541 uschar *deliver_localpart_suffix = NULL;
 542 BOOL    deliver_force_thaw     = FALSE;
 543 BOOL    deliver_manual_thaw    = FALSE;
 544 uschar *deliver_out_buffer     = NULL;
 545 int     deliver_queue_load_max = -1;
 546 address_item  *deliver_recipients = NULL;
 547 uschar *deliver_selectstring   = NULL;
 548 BOOL    deliver_selectstring_regex = FALSE;
 549 uschar *deliver_selectstring_sender = NULL;
 550 BOOL    deliver_selectstring_sender_regex = FALSE;
 551 #ifdef WITH_OLD_DEMIME
 552 int     demime_errorlevel      = 0;
 553 int     demime_ok              = 0;
 554 uschar *demime_reason          = NULL;
 555 #endif
 556 BOOL    disable_callout_flush  = FALSE;
 557 BOOL    disable_delay_flush    = FALSE;
 558 #ifdef ENABLE_DISABLE_FSYNC
 559 BOOL    disable_fsync          = FALSE;
 560 #endif
 561 BOOL    disable_ipv6           = FALSE;
 562 BOOL    disable_logging        = FALSE;
 563
 564 #ifndef DISABLE_DKIM
 565 uschar *dkim_cur_signer          = NULL;
 566 uschar *dkim_signers             = NULL;
 567 uschar *dkim_signing_domain      = NULL;
 568 uschar *dkim_signing_selector    = NULL;
 569 uschar *dkim_verify_signers      = US"$dkim_signers";
 570 BOOL    dkim_collect_input       = FALSE;
 571 BOOL    dkim_disable_verify      = FALSE;
 572 #endif
 573
 574 uschar *dns_again_means_nonexist = NULL;
 575 int     dns_csa_search_limit   = 5;
 576 BOOL    dns_csa_use_reverse    = TRUE;
 577 uschar *dns_ipv4_lookup        = NULL;
 578 int     dns_retrans            = 0;
 579 int     dns_retry              = 0;
 580 int     dns_use_dnssec         = -1; /* <0 = not coerced */
 581 int     dns_use_edns0          = -1; /* <0 = not coerced */
 582 uschar *dnslist_domain         = NULL;
 583 uschar *dnslist_matched        = NULL;
 584 uschar *dnslist_text           = NULL;
 585 uschar *dnslist_value          = NULL;
 586 tree_node *domainlist_anchor   = NULL;
 587 int     domainlist_count       = 0;
 588 BOOL    dont_deliver           = FALSE;
 589 BOOL    dot_ends               = TRUE;
 590 BOOL    drop_cr                = FALSE;         /* No longer used */
 591 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 592
 593 BOOL    enable_dollar_recipients = FALSE;
 594 BOOL    envelope_to_remove     = TRUE;
 595 int     errno_quota            = ERRNO_QUOTA;
 596 uschar *errors_copy            = NULL;
 597 int     error_handling         = ERRORS_SENDER;
 598 uschar *errors_reply_to        = NULL;
 599 int     errors_sender_rc       = EXIT_FAILURE;
 600
 601 gid_t   exim_gid               = EXIM_GID;
 602 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 603 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 604                         "\0<---------------Space to patch exim_path->";
 605 uid_t   exim_uid               = EXIM_UID;
 606 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 607 int     expand_forbid          = 0;
 608 int     expand_nlength[EXPAND_MAXN+1];
 609 int     expand_nmax            = -1;
 610 uschar *expand_nstring[EXPAND_MAXN+1];
 611 BOOL    expand_string_forcedfail = FALSE;
 612 uschar *expand_string_message;
 613 BOOL    extract_addresses_remove_arguments = TRUE;
 614 uschar *extra_local_interfaces = NULL;
 615
 616 int     fake_response          = OK;
 617 uschar *fake_response_text     = US"Your message has been rejected but is "
 618                                    "being kept for evaluation.\nIf it was a "
 619                                    "legitimate message, it may still be "
 620                                    "delivered to the target recipient(s).";
 621 int     filter_n[FILTER_VARIABLE_COUNT];
 622 BOOL    filter_running         = FALSE;
 623 int     filter_sn[FILTER_VARIABLE_COUNT];
 624 int     filter_test            = FTEST_NONE;
 625 uschar *filter_test_sfile      = NULL;
 626 uschar *filter_test_ufile      = NULL;
 627 uschar *filter_thisaddress     = NULL;
 628 int     finduser_retries       = 0;
 629 #ifdef WITH_OLD_DEMIME
 630 uschar *found_extension        = NULL;
 631 #endif
 632 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 633 uschar *freeze_tell            = NULL;
 634 uschar *freeze_tell_config     = NULL;
 635 uschar *fudged_queue_times     = US"";
 636
 637 uschar *gecos_name             = NULL;
 638 uschar *gecos_pattern          = NULL;
 639 rewrite_rule  *global_rewrite_rules = NULL;
 640
 641 uschar *headers_charset        = US HEADERS_CHARSET;
 642 int     header_insert_maxlen   = 64 * 1024;
 643 header_line  *header_last      = NULL;
 644 header_line  *header_list      = NULL;
 645 int     header_maxsize         = HEADER_MAXSIZE;
 646 int     header_line_maxsize    = 0;
 647
 648 header_name header_names[] = {
 649   { US"bcc",            3, TRUE,  htype_bcc },
 650   { US"cc",             2, TRUE,  htype_cc },
 651   { US"date",           4, TRUE,  htype_date },
 652   { US"delivery-date", 13, FALSE, htype_delivery_date },
 653   { US"envelope-to",   11, FALSE, htype_envelope_to },
 654   { US"from",           4, TRUE,  htype_from },
 655   { US"message-id",    10, TRUE,  htype_id },
 656   { US"received",       8, FALSE, htype_received },
 657   { US"reply-to",       8, FALSE, htype_reply_to },
 658   { US"return-path",   11, FALSE, htype_return_path },
 659   { US"sender",         6, TRUE,  htype_sender },
 660   { US"subject",        7, FALSE, htype_subject },
 661   { US"to",             2, TRUE,  htype_to }
 662 };
 663
 664 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 665
 666 BOOL    header_rewritten       = FALSE;
 667 uschar *helo_accept_junk_hosts = NULL;
 668 uschar *helo_allow_chars       = US"";
 669 uschar *helo_lookup_domains    = US"@ : @[]";
 670 uschar *helo_try_verify_hosts  = NULL;
 671 BOOL    helo_verified          = FALSE;
 672 BOOL    helo_verify_failed     = FALSE;
 673 uschar *helo_verify_hosts      = NULL;
 674 const uschar *hex_digits       = CUS"0123456789abcdef";
 675 uschar *hold_domains           = NULL;
 676 BOOL    host_checking          = FALSE;
 677 BOOL    host_checking_callout  = FALSE;
 678 uschar *host_data              = NULL;
 679 BOOL    host_find_failed_syntax= FALSE;
 680 uschar *host_lookup            = NULL;
 681 BOOL    host_lookup_deferred   = FALSE;
 682 BOOL    host_lookup_failed     = FALSE;
 683 uschar *host_lookup_order      = US"bydns:byaddr";
 684 uschar *host_lookup_msg        = US"";
 685 int     host_number            = 0;
 686 uschar *host_number_string     = NULL;
 687 uschar *host_reject_connection = NULL;
 688 tree_node *hostlist_anchor     = NULL;
 689 int     hostlist_count         = 0;
 690 uschar *hosts_treat_as_local   = NULL;
 691 uschar *hosts_connection_nolog = NULL;
 692
 693 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 694 BOOL    ignore_fromline_local  = FALSE;
 695 uschar *ignore_fromline_hosts  = NULL;
 696 BOOL    inetd_wait_mode        = FALSE;
 697 int     inetd_wait_timeout     = -1;
 698 uschar *interface_address      = NULL;
 699 int     interface_port         = -1;
 700 BOOL    is_inetd               = FALSE;
 701 uschar *iterate_item           = NULL;
 702
 703 int     journal_fd             = -1;
 704
 705 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 706
 707 uschar *eldap_dn               = NULL;
 708 int     load_average           = -2;
 709 BOOL    local_error_message    = FALSE;
 710 BOOL    local_from_check       = TRUE;
 711 uschar *local_from_prefix      = NULL;
 712 uschar *local_from_suffix      = NULL;
 713
 714 #if HAVE_IPV6
 715 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 716 #else
 717 uschar *local_interfaces       = US"0.0.0.0";
 718 #endif
 719
 720 uschar *local_scan_data        = NULL;
 721 int     local_scan_timeout     = 5*60;
 722 BOOL    local_sender_retain    = FALSE;
 723 gid_t   local_user_gid         = (gid_t)(-1);
 724 uid_t   local_user_uid         = (uid_t)(-1);
 725
 726 tree_node *localpartlist_anchor= NULL;
 727 int     localpartlist_count    = 0;
 728 uschar *log_buffer             = NULL;
 729 unsigned int log_extra_selector = LX_default;
 730 uschar *log_file_path          = US LOG_FILE_PATH
 731                            "\0<--------------Space to patch log_file_path->";
 732
 733 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 734 are the ones that get put into log_write_selector. They can be used in calls to
 735 log_write() to test for the bit. The options with LX_xxx identifiers have
 736 values greater than 0x80000000 and are put into log_extra_selector (without the
 737 top bit). They are never used in calls to log_write(), but are tested
 738 independently. This separation became necessary when the number of log
 739 selectors was getting close to filling a 32-bit word. */
 740
 741 /* Note that this list must be in alphabetical order. */
 742
 743 bit_table log_options[]        = {
 744   { US"8bitmime",                     LX_8bitmime },
 745   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 746   { US"address_rewrite",              L_address_rewrite },
 747   { US"all",                          L_all },
 748   { US"all_parents",                  L_all_parents },
 749   { US"arguments",                    LX_arguments },
 750   { US"connection_reject",            L_connection_reject },
 751   { US"delay_delivery",               L_delay_delivery },
 752   { US"deliver_time",                 LX_deliver_time },
 753   { US"delivery_size",                LX_delivery_size },
 754   { US"dnslist_defer",                L_dnslist_defer },
 755   { US"etrn",                         L_etrn },
 756   { US"host_lookup_failed",           L_host_lookup_failed },
 757   { US"ident_timeout",                LX_ident_timeout },
 758   { US"incoming_interface",           LX_incoming_interface },
 759   { US"incoming_port",                LX_incoming_port },
 760   { US"lost_incoming_connection",     L_lost_incoming_connection },
 761   { US"outgoing_port",                LX_outgoing_port },
 762   { US"pid",                          LX_pid },
 763   { US"queue_run",                    L_queue_run },
 764   { US"queue_time",                   LX_queue_time },
 765   { US"queue_time_overall",           LX_queue_time_overall },
 766   { US"received_recipients",          LX_received_recipients },
 767   { US"received_sender",              LX_received_sender },
 768   { US"rejected_header",              LX_rejected_header },
 769   { US"rejected_headers",             LX_rejected_header },
 770   { US"retry_defer",                  L_retry_defer },
 771   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 772   { US"sender_on_delivery",           LX_sender_on_delivery },
 773   { US"sender_verify_fail",           LX_sender_verify_fail },
 774   { US"size_reject",                  L_size_reject },
 775   { US"skip_delivery",                L_skip_delivery },
 776   { US"smtp_confirmation",            LX_smtp_confirmation },
 777   { US"smtp_connection",              L_smtp_connection },
 778   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 779   { US"smtp_no_mail",                 LX_smtp_no_mail },
 780   { US"smtp_protocol_error",          L_smtp_protocol_error },
 781   { US"smtp_syntax_error",            L_smtp_syntax_error },
 782   { US"subject",                      LX_subject },
 783   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 784   { US"tls_cipher",                   LX_tls_cipher },
 785   { US"tls_peerdn",                   LX_tls_peerdn },
 786   { US"tls_sni",                      LX_tls_sni },
 787   { US"unknown_in_list",              LX_unknown_in_list }
 788 };
 789
 790 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 791 int     log_reject_target      = 0;
 792 uschar *log_selector_string    = NULL;
 793 FILE   *log_stderr             = NULL;
 794 BOOL    log_testing_mode       = FALSE;
 795 BOOL    log_timezone           = FALSE;
 796 unsigned int log_write_selector= L_default;
 797 uschar *login_sender_address   = NULL;
 798 int     lookup_open_max        = 25;
 799 uschar *lookup_value           = NULL;
 800
 801 macro_item  *macros            = NULL;
 802 uschar *mailstore_basename     = NULL;
 803 #ifdef WITH_CONTENT_SCAN
 804 uschar *malware_name           = NULL;  /* Virus Name */
 805 #endif
 806 int     max_received_linelength= 0;
 807 int     max_username_length    = 0;
 808 int     message_age            = 0;
 809 uschar *message_body           = NULL;
 810 uschar *message_body_end       = NULL;
 811 BOOL    message_body_newlines  = FALSE;
 812 int     message_body_size      = 0;
 813 int     message_body_visible   = 500;
 814 int     message_ended          = END_NOTSTARTED;
 815 uschar *message_headers        = NULL;
 816 uschar *message_id;
 817 uschar *message_id_domain      = NULL;
 818 uschar *message_id_text        = NULL;
 819 struct timeval message_id_tv   = { 0, 0 };
 820 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 821 uschar *message_id_external;
 822 int     message_linecount      = 0;
 823 BOOL    message_logs           = TRUE;
 824 int     message_size           = 0;
 825 uschar *message_size_limit     = US"50M";
 826 uschar  message_subdir[2]      = { 0, 0 };
 827 uschar *message_reference      = NULL;
 828
 829 /* MIME ACL expandables */
 830 #ifdef WITH_CONTENT_SCAN
 831 int     mime_anomaly_level     = 0;
 832 const uschar *mime_anomaly_text      = NULL;
 833 uschar *mime_boundary          = NULL;
 834 uschar *mime_charset           = NULL;
 835 uschar *mime_content_description = NULL;
 836 uschar *mime_content_disposition = NULL;
 837 uschar *mime_content_id        = NULL;
 838 unsigned int mime_content_size = 0;
 839 uschar *mime_content_transfer_encoding = NULL;
 840 uschar *mime_content_type      = NULL;
 841 uschar *mime_decoded_filename  = NULL;
 842 uschar *mime_filename          = NULL;
 843 int     mime_is_multipart      = 0;
 844 int     mime_is_coverletter    = 0;
 845 int     mime_is_rfc822         = 0;
 846 int     mime_part_count        = -1;
 847 #endif
 848
 849 BOOL    mua_wrapper            = FALSE;
 850
 851 uid_t  *never_users            = NULL;
 852 #ifdef WITH_CONTENT_SCAN
 853 BOOL    no_mbox_unspool        = FALSE;
 854 #endif
 855 BOOL    no_multiline_responses = FALSE;
 856
 857 uid_t   original_euid;
 858 gid_t   originator_gid;
 859 uschar *originator_login       = NULL;
 860 uschar *originator_name        = NULL;
 861 uid_t   originator_uid;
 862 uschar *override_local_interfaces = NULL;
 863 uschar *override_pid_file_path = NULL;
 864
 865 BOOL    parse_allow_group      = FALSE;
 866 BOOL    parse_found_group      = FALSE;
 867 uschar *percent_hack_domains   = NULL;
 868 uschar *pid_file_path          = US PID_FILE_PATH
 869                            "\0<--------------Space to patch pid_file_path->";
 870 BOOL    pipelining_enable      = TRUE;
 871 uschar *pipelining_advertise_hosts = US"*";
 872 BOOL    preserve_message_logs  = FALSE;
 873 uschar *primary_hostname       = NULL;
 874 BOOL    print_topbitchars      = FALSE;
 875 uschar  process_info[PROCESS_INFO_SIZE];
 876 int     process_info_len       = 0;
 877 uschar *process_log_path       = NULL;
 878 BOOL    prod_requires_admin    = TRUE;
 879 uschar *prvscheck_address      = NULL;
 880 uschar *prvscheck_keynum       = NULL;
 881 uschar *prvscheck_result       = NULL;
 882
 883
 884 uschar *qualify_domain_recipient = NULL;
 885 uschar *qualify_domain_sender  = NULL;
 886 BOOL    queue_2stage           = FALSE;
 887 uschar *queue_domains          = NULL;
 888 int     queue_interval         = -1;
 889 BOOL    queue_list_requires_admin = TRUE;
 890 BOOL    queue_only             = FALSE;
 891 uschar *queue_only_file        = NULL;
 892 int     queue_only_load        = -1;
 893 BOOL    queue_only_load_latch  = TRUE;
 894 BOOL    queue_only_override    = TRUE;
 895 BOOL    queue_only_policy      = FALSE;
 896 BOOL    queue_run_first_delivery = FALSE;
 897 BOOL    queue_run_force        = FALSE;
 898 BOOL    queue_run_in_order     = FALSE;
 899 BOOL    queue_run_local        = FALSE;
 900 int     queue_run_max          = 5;
 901 pid_t   queue_run_pid          = (pid_t)0;
 902 int     queue_run_pipe         = -1;
 903 BOOL    queue_running          = FALSE;
 904 BOOL    queue_smtp             = FALSE;
 905 uschar *queue_smtp_domains     = NULL;
 906
 907 unsigned int random_seed       = 0;
 908 tree_node *ratelimiters_cmd    = NULL;
 909 tree_node *ratelimiters_conn   = NULL;
 910 tree_node *ratelimiters_mail   = NULL;
 911 uschar *raw_active_hostname    = NULL;
 912 uschar *raw_sender             = NULL;
 913 uschar **raw_recipients        = NULL;
 914 int     raw_recipients_count   = 0;
 915
 916 int     rcpt_count             = 0;
 917 int     rcpt_fail_count        = 0;
 918 int     rcpt_defer_count       = 0;
 919 gid_t   real_gid;
 920 uid_t   real_uid;
 921 BOOL    really_exim            = TRUE;
 922 BOOL    receive_call_bombout   = FALSE;
 923 int     receive_linecount      = 0;
 924 int     receive_messagecount   = 0;
 925 int     receive_timeout        = 0;
 926 int     received_count         = 0;
 927 uschar *received_for           = NULL;
 928
 929 /*  This is the default text for Received headers generated by Exim. The
 930 date  will be automatically added on the end. */
 931
 932 uschar *received_header_text   = US
 933      "Received: "
 934      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 935      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 936      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 937      "by $primary_hostname "
 938      "${if def:received_protocol {with $received_protocol}} "
 939      #ifdef SUPPORT_TLS
 940      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 941      #endif
 942      "(Exim $version_number)\n\t"
 943      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 944      "id $message_exim_id"
 945      "${if def:received_for {\n\tfor $received_for}}"
 946      "\0<---------------Space to patch received_header_text->";
 947
 948 int     received_headers_max   = 30;
 949 uschar *received_protocol      = NULL;
 950 int     received_time          = 0;
 951 uschar *recipient_data         = NULL;
 952 uschar *recipient_unqualified_hosts = NULL;
 953 uschar *recipient_verify_failure = NULL;
 954 int     recipients_count       = 0;
 955 BOOL    recipients_discarded   = FALSE;
 956 recipient_item  *recipients_list = NULL;
 957 int     recipients_list_max    = 0;
 958 int     recipients_max         = 0;
 959 BOOL    recipients_max_reject  = FALSE;
 960 const pcre *regex_AUTH         = NULL;
 961 const pcre *regex_check_dns_names = NULL;
 962 const pcre *regex_From         = NULL;
 963 const pcre *regex_IGNOREQUOTA  = NULL;
 964 const pcre *regex_PIPELINING   = NULL;
 965 const pcre *regex_SIZE         = NULL;
 966 const pcre *regex_smtp_code    = NULL;
 967 const pcre *regex_ismsgid      = NULL;
 968 #ifdef WHITELIST_D_MACROS
 969 const pcre *regex_whitelisted_macro = NULL;
 970 #endif
 971 #ifdef WITH_CONTENT_SCAN
 972 uschar *regex_match_string     = NULL;
 973 #endif
 974 int     remote_delivery_count  = 0;
 975 int     remote_max_parallel    = 2;
 976 uschar *remote_sort_domains    = NULL;
 977 int     retry_data_expire      = 7*24*60*60;
 978 int     retry_interval_max     = 24*60*60;
 979 int     retry_maximum_timeout  = 0;        /* set from retry config */
 980 retry_config  *retries         = NULL;
 981 uschar *return_path            = NULL;
 982 BOOL    return_path_remove     = TRUE;
 983 int     rewrite_existflags     = 0;
 984 uschar *rfc1413_hosts          = US"*";
 985 int     rfc1413_query_timeout  = 5;
 986 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 987 uid_t   root_gid               = ROOT_GID;
 988 uid_t   root_uid               = ROOT_UID;
 989
 990 router_instance  *routers  = NULL;
 991 router_instance  router_defaults = {
 992     NULL,                      /* chain pointer */
 993     NULL,                      /* name */
 994     NULL,                      /* info */
 995     NULL,                      /* private options block pointer */
 996     NULL,                      /* driver name */
 997
 998     NULL,                      /* address_data */
 999 #ifdef EXPERIMENTAL_BRIGHTMAIL
1000     NULL,                      /* bmi_rule */
1001 #endif
1002     NULL,                      /* cannot_route_message */
1003     NULL,                      /* condition */
1004     NULL,                      /* current_directory */
1005     NULL,                      /* debug_string */
1006     NULL,                      /* domains */
1007     NULL,                      /* errors_to */
1008     NULL,                      /* expand_gid */
1009     NULL,                      /* expand_uid */
1010     NULL,                      /* expand_more */
1011     NULL,                      /* expand_unseen */
1012     NULL,                      /* extra_headers */
1013     NULL,                      /* fallback_hosts */
1014     NULL,                      /* home_directory */
1015     NULL,                      /* ignore_target_hosts */
1016     NULL,                      /* local_parts */
1017     NULL,                      /* pass_router_name */
1018     NULL,                      /* prefix */
1019     NULL,                      /* redirect_router_name */
1020     NULL,                      /* remove_headers */
1021     NULL,                      /* require_files */
1022     NULL,                      /* router_home_directory */
1023     US"freeze",                /* self */
1024     NULL,                      /* senders */
1025     NULL,                      /* suffix */
1026     NULL,                      /* translate_ip_address */
1027     NULL,                      /* transport_name */
1028
1029     TRUE,                      /* address_test */
1030 #ifdef EXPERIMENTAL_BRIGHTMAIL
1031     FALSE,                     /* bmi_deliver_alternate */
1032     FALSE,                     /* bmi_deliver_default */
1033     FALSE,                     /* bmi_dont_deliver */
1034 #endif
1035     TRUE,                      /* expn */
1036     FALSE,                     /* caseful_local_part */
1037     FALSE,                     /* check_local_user */
1038     FALSE,                     /* disable_logging */
1039     FALSE,                     /* fail_verify_recipient */
1040     FALSE,                     /* fail_verify_sender */
1041     FALSE,                     /* gid_set */
1042     FALSE,                     /* initgroups */
1043     TRUE_UNSET,                /* log_as_local */
1044     TRUE,                      /* more */
1045     FALSE,                     /* pass_on_timeout */
1046     FALSE,                     /* prefix_optional */
1047     TRUE,                      /* repeat_use */
1048     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1049     FALSE,                     /* same_domain_copy_routing */
1050     FALSE,                     /* self_rewrite */
1051     FALSE,                     /* suffix_optional */
1052     FALSE,                     /* verify_only */
1053     TRUE,                      /* verify_recipient */
1054     TRUE,                      /* verify_sender */
1055     FALSE,                     /* uid_set */
1056     FALSE,                     /* unseen */
1057
1058     self_freeze,               /* self_code */
1059     (uid_t)(-1),               /* uid */
1060     (gid_t)(-1),               /* gid */
1061
1062     NULL,                      /* fallback_hostlist */
1063     NULL,                      /* transport instance */
1064     NULL,                      /* pass_router */
1065     NULL                       /* redirect_router */
1066 };
1067
1068 ip_address_item *running_interfaces = NULL;
1069 BOOL    running_in_test_harness = FALSE;
1070
1071 /* This is a weird one. The following string gets patched in the binary by the
1072 script that sets up a copy of Exim for running in the test harness. It seems
1073 that compilers are now clever, and share constant strings if they can.
1074 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1075 make use of the end of this string in order to save space. So the patching then
1076 wrecks this. We defeat this optimization by adding some additional characters
1077 onto the end of the string. */
1078
1079 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1080
1081 int     runrc                  = 0;
1082
1083 uschar *search_error_message   = NULL;
1084 BOOL    search_find_defer      = FALSE;
1085 uschar *self_hostname          = NULL;
1086 uschar *sender_address         = NULL;
1087 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1088 uschar *sender_address_data    = NULL;
1089 BOOL    sender_address_forced  = FALSE;
1090 uschar *sender_address_unrewritten = NULL;
1091 uschar *sender_data            = NULL;
1092 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1093 uschar *sender_fullhost        = NULL;
1094 uschar *sender_helo_name       = NULL;
1095 uschar **sender_host_aliases   = &no_aliases;
1096 uschar *sender_host_address    = NULL;
1097 uschar *sender_host_authenticated = NULL;
1098 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1099 BOOL    sender_host_dnssec     = FALSE;
1100 uschar *sender_host_name       = NULL;
1101 int     sender_host_port       = 0;
1102 BOOL    sender_host_notsocket  = FALSE;
1103 BOOL    sender_host_unknown    = FALSE;
1104 uschar *sender_ident           = NULL;
1105 BOOL    sender_local           = FALSE;
1106 BOOL    sender_name_forced     = FALSE;
1107 uschar *sender_rate            = NULL;
1108 uschar *sender_rate_limit      = NULL;
1109 uschar *sender_rate_period     = NULL;
1110 uschar *sender_rcvhost         = NULL;
1111 BOOL    sender_set_untrusted   = FALSE;
1112 uschar *sender_unqualified_hosts = NULL;
1113 uschar *sender_verify_failure = NULL;
1114 address_item *sender_verified_list  = NULL;
1115 address_item *sender_verified_failed = NULL;
1116 int     sender_verified_rc     = -1;
1117 BOOL    sender_verified_responded = FALSE;
1118 uschar *sending_ip_address     = NULL;
1119 int     sending_port           = -1;
1120 SIGNAL_BOOL sigalrm_seen       = FALSE;
1121 uschar **sighup_argv           = NULL;
1122 int     smtp_accept_count      = 0;
1123 BOOL    smtp_accept_keepalive  = TRUE;
1124 int     smtp_accept_max        = 20;
1125 int     smtp_accept_max_nonmail= 10;
1126 uschar *smtp_accept_max_nonmail_hosts = US"*";
1127 int     smtp_accept_max_per_connection = 1000;
1128 uschar *smtp_accept_max_per_host = NULL;
1129 int     smtp_accept_queue      = 0;
1130 int     smtp_accept_queue_per_connection = 10;
1131 int     smtp_accept_reserve    = 0;
1132 uschar *smtp_active_hostname   = NULL;
1133 BOOL    smtp_authenticated     = FALSE;
1134 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1135                              "Exim $version_number $tod_full"
1136                              "\0<---------------Space to patch smtp_banner->";
1137 BOOL    smtp_batched_input     = FALSE;
1138 BOOL    smtp_check_spool_space = TRUE;
1139 int     smtp_ch_index          = 0;
1140 uschar *smtp_cmd_argument      = NULL;
1141 uschar *smtp_cmd_buffer        = NULL;
1142 time_t  smtp_connection_start  = 0;
1143 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1144 int     smtp_connect_backlog   = 20;
1145 double  smtp_delay_mail        = 0.0;
1146 double  smtp_delay_rcpt        = 0.0;
1147 BOOL    smtp_enforce_sync      = TRUE;
1148 FILE   *smtp_in                = NULL;
1149 BOOL    smtp_input             = FALSE;
1150 int     smtp_load_reserve      = -1;
1151 int     smtp_mailcmd_count     = 0;
1152 FILE   *smtp_out               = NULL;
1153 uschar *smtp_etrn_command      = NULL;
1154 BOOL    smtp_etrn_serialize    = TRUE;
1155 int     smtp_max_synprot_errors= 3;
1156 int     smtp_max_unknown_commands = 3;
1157 uschar *smtp_notquit_reason    = NULL;
1158 uschar *smtp_ratelimit_hosts   = NULL;
1159 uschar *smtp_ratelimit_mail    = NULL;
1160 uschar *smtp_ratelimit_rcpt    = NULL;
1161 uschar *smtp_read_error        = US"";
1162 int     smtp_receive_timeout   = 5*60;
1163 uschar *smtp_reserve_hosts     = NULL;
1164 BOOL    smtp_return_error_details = FALSE;
1165 int     smtp_rlm_base          = 0;
1166 double  smtp_rlm_factor        = 0.0;
1167 int     smtp_rlm_limit         = 0;
1168 int     smtp_rlm_threshold     = INT_MAX;
1169 int     smtp_rlr_base          = 0;
1170 double  smtp_rlr_factor        = 0.0;
1171 int     smtp_rlr_limit         = 0;
1172 int     smtp_rlr_threshold     = INT_MAX;
1173 BOOL    smtp_use_pipelining    = FALSE;
1174 BOOL    smtp_use_size          = FALSE;
1175
1176 #ifdef WITH_CONTENT_SCAN
1177 uschar *spamd_address          = US"127.0.0.1 783";
1178 uschar *spam_bar               = NULL;
1179 uschar *spam_report            = NULL;
1180 uschar *spam_score             = NULL;
1181 uschar *spam_score_int         = NULL;
1182 #endif
1183 #ifdef EXPERIMENTAL_SPF
1184 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1185 uschar *spf_header_comment     = NULL;
1186 uschar *spf_received           = NULL;
1187 uschar *spf_result             = NULL;
1188 uschar *spf_smtp_comment       = NULL;
1189 #endif
1190
1191 BOOL    split_spool_directory  = FALSE;
1192 uschar *spool_directory        = US SPOOL_DIRECTORY
1193                            "\0<--------------Space to patch spool_directory->";
1194 #ifdef EXPERIMENTAL_SRS
1195 uschar *srs_config             = NULL;
1196 uschar *srs_db_address         = NULL;
1197 uschar *srs_db_key             = NULL;
1198 int     srs_hashlength         = 6;
1199 int     srs_hashmin            = -1;
1200 int     srs_maxage             = 31;
1201 uschar *srs_orig_recipient     = NULL;
1202 uschar *srs_orig_sender        = NULL;
1203 uschar *srs_recipient          = NULL;
1204 uschar *srs_secrets            = NULL;
1205 uschar *srs_status             = NULL;
1206 BOOL    srs_usehash            = TRUE;
1207 BOOL    srs_usetimestamp       = TRUE;
1208 #endif
1209 BOOL    strict_acl_vars        = FALSE;
1210 int     string_datestamp_offset= -1;
1211 int     string_datestamp_length= 0;
1212 int     string_datestamp_type  = -1;
1213 BOOL    strip_excess_angle_brackets = FALSE;
1214 BOOL    strip_trailing_dot     = FALSE;
1215 uschar *submission_domain      = NULL;
1216 BOOL    submission_mode        = FALSE;
1217 uschar *submission_name        = NULL;
1218 BOOL    suppress_local_fixups  = FALSE;
1219 BOOL    suppress_local_fixups_default = FALSE;
1220 BOOL    synchronous_delivery   = FALSE;
1221 BOOL    syslog_duplication     = TRUE;
1222 int     syslog_facility        = LOG_MAIL;
1223 uschar *syslog_processname     = US"exim";
1224 BOOL    syslog_timestamp       = TRUE;
1225 uschar *system_filter          = NULL;
1226
1227 uschar *system_filter_directory_transport = NULL;
1228 uschar *system_filter_file_transport = NULL;
1229 uschar *system_filter_pipe_transport = NULL;
1230 uschar *system_filter_reply_transport = NULL;
1231
1232 gid_t   system_filter_gid      = 0;
1233 BOOL    system_filter_gid_set  = FALSE;
1234 uid_t   system_filter_uid      = (uid_t)-1;
1235 BOOL    system_filter_uid_set  = FALSE;
1236 BOOL    system_filtering       = FALSE;
1237
1238 BOOL    tcp_nodelay            = TRUE;
1239 #ifdef USE_TCP_WRAPPERS
1240 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1241 #endif
1242 int     test_harness_load_avg  = 0;
1243 int     thismessage_size_limit = 0;
1244 int     timeout_frozen_after   = 0;
1245 BOOL    timestamps_utc         = FALSE;
1246
1247 transport_instance  *transports = NULL;
1248
1249 transport_instance  transport_defaults = {
1250     NULL,                     /* chain pointer */
1251     NULL,                     /* name */
1252     NULL,                     /* info */
1253     NULL,                     /* private options block pointer */
1254     NULL,                     /* driver name */
1255     NULL,                     /* setup entry point */
1256     1,                        /* batch_max */
1257     NULL,                     /* batch_id */
1258     NULL,                     /* home_dir */
1259     NULL,                     /* current_dir */
1260     TRUE,                     /* multi-domain */
1261     FALSE,                    /* overrides_hosts */
1262     100,                      /* max_addresses */
1263     500,                      /* connection_max_messages */
1264     FALSE,                    /* deliver_as_creator */
1265     FALSE,                    /* disable_logging */
1266     FALSE,                    /* initgroups */
1267     FALSE,                    /* uid_set */
1268     FALSE,                    /* gid_set */
1269     (uid_t)(-1),              /* uid */
1270     (gid_t)(-1),              /* gid */
1271     NULL,                     /* expand_uid */
1272     NULL,                     /* expand_gid */
1273     NULL,                     /* warn_message */
1274     NULL,                     /* shadow */
1275     NULL,                     /* shadow_condition */
1276     NULL,                     /* filter_command */
1277     NULL,                     /* add_headers */
1278     NULL,                     /* remove_headers */
1279     NULL,                     /* return_path */
1280     NULL,                     /* debug_string */
1281     NULL,                     /* message_size_limit */
1282     NULL,                     /* headers_rewrite */
1283     NULL,                     /* rewrite_rules */
1284     0,                        /* rewrite_existflags */
1285     300,                      /* filter_timeout */
1286     FALSE,                    /* body_only */
1287     FALSE,                    /* delivery_date_add */
1288     FALSE,                    /* envelope_to_add */
1289     FALSE,                    /* headers_only */
1290     FALSE,                    /* rcpt_include_affixes */
1291     FALSE,                    /* return_path_add */
1292     FALSE,                    /* return_output */
1293     FALSE,                    /* return_fail_output */
1294     FALSE,                    /* log_output */
1295     FALSE,                    /* log_fail_output */
1296     FALSE,                    /* log_defer_output */
1297     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1298                                  1 nor 0 so can detect unset */
1299 };
1300
1301 int     transport_count;
1302 int     transport_newlines;
1303 uschar **transport_filter_argv  = NULL;
1304 int     transport_filter_timeout;
1305 BOOL    transport_filter_timed_out = FALSE;
1306 int     transport_write_timeout= 0;
1307
1308 tree_node  *tree_dns_fails     = NULL;
1309 tree_node  *tree_duplicates    = NULL;
1310 tree_node  *tree_nonrecipients = NULL;
1311 tree_node  *tree_unusable      = NULL;
1312
1313 BOOL    trusted_caller         = FALSE;
1314 BOOL    trusted_config         = TRUE;
1315 gid_t  *trusted_groups         = NULL;
1316 uid_t  *trusted_users          = NULL;
1317 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1318
1319 uschar *unknown_login          = NULL;
1320 uschar *unknown_username       = NULL;
1321 uschar *untrusted_set_sender   = NULL;
1322
1323 /*  A regex for matching a "From_" line in an incoming message, in the form
1324
1325     From ph10 Fri Jan  5 12:35 GMT 1996
1326
1327 which  the "mail" commands send to the MTA (undocumented, of course), or in
1328 the  form
1329
1330     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1331
1332 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1333 Because  of variations in time formats, just match up to the minutes. That
1334 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1335 so  just require one digit for hours and minutes. The weekday is also absent
1336 in  some forms. */
1337
1338 uschar *uucp_from_pattern      = US
1339    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1340    "(?:"                                          /* Non-extracting bracket */
1341    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1342    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1343    ")"                                            /* End alternation */
1344    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1345
1346 uschar *uucp_from_sender       = US"$1";
1347
1348 uschar *warn_message_file      = NULL;
1349 uschar *warnmsg_delay          = NULL;
1350 uschar *warnmsg_recipients     = NULL;
1351 BOOL    write_rejectlog        = TRUE;
1352
1353 uschar *version_copyright      =
1354  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1355    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1356 uschar *version_date           = US"?";
1357 uschar *version_cnumber        = US"????";
1358 uschar *version_string         = US"?";
1359
1360 int     warning_count          = 0;
1361
1362 /*  End of globals.c */