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,                      /* set_client_id */
 372     NULL,                      /* server_mail_auth_condition */
 373     NULL,                      /* server_debug_string */
 374     NULL,                      /* server_condition */
 375     FALSE,                     /* client */
 376     FALSE,                     /* server */
 377     FALSE                      /* advertised */
 378 };
 379
 380 uschar *auth_defer_msg         = US"reason not recorded";
 381 uschar *auth_defer_user_msg    = US"";
 382 uschar *auth_vars[AUTH_VARS];
 383 int     auto_thaw              = 0;
 384 #ifdef WITH_CONTENT_SCAN
 385 BOOL    av_failed              = FALSE;
 386 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 387 #endif
 388
 389 BOOL    background_daemon      = TRUE;
 390
 391 #if BASE_62 == 62
 392 uschar *base62_chars=
 393     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 394 #else
 395 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 396 #endif
 397
 398 uschar *bi_command             = NULL;
 399 uschar *big_buffer             = NULL;
 400 int     big_buffer_size        = BIG_BUFFER_SIZE;
 401 #ifdef EXPERIMENTAL_BRIGHTMAIL
 402 uschar *bmi_alt_location       = NULL;
 403 uschar *bmi_base64_tracker_verdict = NULL;
 404 uschar *bmi_base64_verdict     = NULL;
 405 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 406 int     bmi_deliver            = 1;
 407 int     bmi_run                = 0;
 408 uschar *bmi_verdicts           = NULL;
 409 #endif
 410 int     body_linecount         = 0;
 411 int     body_zerocount         = 0;
 412 uschar *bounce_message_file    = NULL;
 413 uschar *bounce_message_text    = NULL;
 414 uschar *bounce_recipient       = NULL;
 415 BOOL    bounce_return_body     = TRUE;
 416 BOOL    bounce_return_message  = TRUE;
 417 int     bounce_return_size_limit = 100*1024;
 418 uschar *bounce_sender_authentication = NULL;
 419 int     bsmtp_transaction_linecount = 0;
 420
 421 int     callout_cache_domain_positive_expire = 7*24*60*60;
 422 int     callout_cache_domain_negative_expire = 3*60*60;
 423 int     callout_cache_positive_expire = 24*60*60;
 424 int     callout_cache_negative_expire = 2*60*60;
 425 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 426 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 427 int     check_log_inodes       = 0;
 428 int     check_log_space        = 0;
 429 BOOL    check_rfc2047_length   = TRUE;
 430 int     check_spool_inodes     = 0;
 431 int     check_spool_space      = 0;
 432 uschar  *client_authenticator  = NULL;
 433 uschar  *client_authenticated_id = NULL;
 434 uschar  *client_authenticated_sender = NULL;
 435 int     clmacro_count          = 0;
 436 uschar *clmacros[MAX_CLMACROS];
 437 BOOL    config_changed         = FALSE;
 438 FILE   *config_file            = NULL;
 439 uschar *config_filename        = NULL;
 440 int     config_lineno          = 0;
 441 #ifdef CONFIGURE_GROUP
 442 gid_t   config_gid             = CONFIGURE_GROUP;
 443 #endif
 444 uschar *config_main_filelist   = US CONFIGURE_FILE
 445                          "\0<-----------Space to patch configure_filename->";
 446 uschar *config_main_filename   = NULL;
 447
 448 #ifdef CONFIGURE_OWNER
 449 uid_t   config_uid             = CONFIGURE_OWNER;
 450 #endif
 451
 452 int     connection_max_messages= -1;
 453 uschar *continue_hostname      = NULL;
 454 uschar *continue_host_address  = NULL;
 455 BOOL    continue_more          = FALSE;
 456 int     continue_sequence      = 1;
 457 uschar *continue_transport     = NULL;
 458
 459 uschar *csa_status             = NULL;
 460 BOOL    cutthrough_delivery    = FALSE;
 461 int     cutthrough_fd          = -1;
 462
 463 BOOL    daemon_listen          = FALSE;
 464 uschar *daemon_smtp_port       = US"smtp";
 465 int     daemon_startup_retries = 9;
 466 int     daemon_startup_sleep   = 30;
 467
 468 #ifdef EXPERIMENTAL_DCC
 469 BOOL    dcc_direct_add_header  = FALSE;
 470 uschar *dcc_header             = NULL;
 471 uschar *dcc_result             = NULL;
 472 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 473 uschar *dccifd_options         = US"header";
 474 #endif
 475
 476 BOOL    debug_daemon           = FALSE;
 477 int     debug_fd               = -1;
 478 FILE   *debug_file             = NULL;
 479 bit_table debug_options[]      = {
 480   { US"acl",            D_acl },
 481   { US"all",            D_all },
 482   { US"auth",           D_auth },
 483   { US"deliver",        D_deliver },
 484   { US"dns",            D_dns },
 485   { US"dnsbl",          D_dnsbl },
 486   { US"exec",           D_exec },
 487   { US"expand",         D_expand },
 488   { US"filter",         D_filter },
 489   { US"hints_lookup",   D_hints_lookup },
 490   { US"host_lookup",    D_host_lookup },
 491   { US"ident",          D_ident },
 492   { US"interface",      D_interface },
 493   { US"lists",          D_lists },
 494   { US"load",           D_load },
 495   { US"local_scan",     D_local_scan },
 496   { US"lookup",         D_lookup },
 497   { US"memory",         D_memory },
 498   { US"pid",            D_pid },
 499   { US"process_info",   D_process_info },
 500   { US"queue_run",      D_queue_run },
 501   { US"receive",        D_receive },
 502   { US"resolver",       D_resolver },
 503   { US"retry",          D_retry },
 504   { US"rewrite",        D_rewrite },
 505   { US"route",          D_route },
 506   { US"timestamp",      D_timestamp },
 507   { US"tls",            D_tls },
 508   { US"transport",      D_transport },
 509   { US"uid",            D_uid },
 510   { US"verify",         D_verify }
 511 };
 512 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 513 unsigned int debug_selector    = 0;
 514 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 515 uschar *delay_warning_condition=
 516   US"${if or {"
 517             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 518             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 519             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 520             "} {no}{yes}}";
 521 BOOL    delivery_date_remove   = TRUE;
 522 uschar *deliver_address_data   = NULL;
 523 int     deliver_datafile       = -1;
 524 uschar *deliver_domain         = NULL;
 525 uschar *deliver_domain_data    = NULL;
 526 uschar *deliver_domain_orig    = NULL;
 527 uschar *deliver_domain_parent  = NULL;
 528 BOOL    deliver_drop_privilege = FALSE;
 529 BOOL    deliver_firsttime      = FALSE;
 530 BOOL    deliver_force          = FALSE;
 531 BOOL    deliver_freeze         = FALSE;
 532 int     deliver_frozen_at      = 0;
 533 uschar *deliver_home           = NULL;
 534 uschar *deliver_host           = NULL;
 535 uschar *deliver_host_address   = NULL;
 536 uschar *deliver_in_buffer      = NULL;
 537 ino_t   deliver_inode          = 0;
 538 uschar *deliver_localpart      = NULL;
 539 uschar *deliver_localpart_data = NULL;
 540 uschar *deliver_localpart_orig = NULL;
 541 uschar *deliver_localpart_parent = NULL;
 542 uschar *deliver_localpart_prefix = NULL;
 543 uschar *deliver_localpart_suffix = NULL;
 544 BOOL    deliver_force_thaw     = FALSE;
 545 BOOL    deliver_manual_thaw    = FALSE;
 546 uschar *deliver_out_buffer     = NULL;
 547 int     deliver_queue_load_max = -1;
 548 address_item  *deliver_recipients = NULL;
 549 uschar *deliver_selectstring   = NULL;
 550 BOOL    deliver_selectstring_regex = FALSE;
 551 uschar *deliver_selectstring_sender = NULL;
 552 BOOL    deliver_selectstring_sender_regex = FALSE;
 553 #ifdef WITH_OLD_DEMIME
 554 int     demime_errorlevel      = 0;
 555 int     demime_ok              = 0;
 556 uschar *demime_reason          = NULL;
 557 #endif
 558 BOOL    disable_callout_flush  = FALSE;
 559 BOOL    disable_delay_flush    = FALSE;
 560 #ifdef ENABLE_DISABLE_FSYNC
 561 BOOL    disable_fsync          = FALSE;
 562 #endif
 563 BOOL    disable_ipv6           = FALSE;
 564 BOOL    disable_logging        = FALSE;
 565
 566 #ifndef DISABLE_DKIM
 567 uschar *dkim_cur_signer          = NULL;
 568 uschar *dkim_signers             = NULL;
 569 uschar *dkim_signing_domain      = NULL;
 570 uschar *dkim_signing_selector    = NULL;
 571 uschar *dkim_verify_signers      = US"$dkim_signers";
 572 BOOL    dkim_collect_input       = FALSE;
 573 BOOL    dkim_disable_verify      = FALSE;
 574 #endif
 575
 576 uschar *dns_again_means_nonexist = NULL;
 577 int     dns_csa_search_limit   = 5;
 578 BOOL    dns_csa_use_reverse    = TRUE;
 579 uschar *dns_ipv4_lookup        = NULL;
 580 int     dns_retrans            = 0;
 581 int     dns_retry              = 0;
 582 int     dns_use_dnssec         = -1; /* <0 = not coerced */
 583 int     dns_use_edns0          = -1; /* <0 = not coerced */
 584 uschar *dnslist_domain         = NULL;
 585 uschar *dnslist_matched        = NULL;
 586 uschar *dnslist_text           = NULL;
 587 uschar *dnslist_value          = NULL;
 588 tree_node *domainlist_anchor   = NULL;
 589 int     domainlist_count       = 0;
 590 BOOL    dont_deliver           = FALSE;
 591 BOOL    dot_ends               = TRUE;
 592 BOOL    drop_cr                = FALSE;         /* No longer used */
 593 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 594
 595 BOOL    enable_dollar_recipients = FALSE;
 596 BOOL    envelope_to_remove     = TRUE;
 597 int     errno_quota            = ERRNO_QUOTA;
 598 uschar *errors_copy            = NULL;
 599 int     error_handling         = ERRORS_SENDER;
 600 uschar *errors_reply_to        = NULL;
 601 int     errors_sender_rc       = EXIT_FAILURE;
 602
 603 gid_t   exim_gid               = EXIM_GID;
 604 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 605 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 606                         "\0<---------------Space to patch exim_path->";
 607 uid_t   exim_uid               = EXIM_UID;
 608 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 609 int     expand_forbid          = 0;
 610 int     expand_nlength[EXPAND_MAXN+1];
 611 int     expand_nmax            = -1;
 612 uschar *expand_nstring[EXPAND_MAXN+1];
 613 BOOL    expand_string_forcedfail = FALSE;
 614 uschar *expand_string_message;
 615 BOOL    extract_addresses_remove_arguments = TRUE;
 616 uschar *extra_local_interfaces = NULL;
 617
 618 int     fake_response          = OK;
 619 uschar *fake_response_text     = US"Your message has been rejected but is "
 620                                    "being kept for evaluation.\nIf it was a "
 621                                    "legitimate message, it may still be "
 622                                    "delivered to the target recipient(s).";
 623 int     filter_n[FILTER_VARIABLE_COUNT];
 624 BOOL    filter_running         = FALSE;
 625 int     filter_sn[FILTER_VARIABLE_COUNT];
 626 int     filter_test            = FTEST_NONE;
 627 uschar *filter_test_sfile      = NULL;
 628 uschar *filter_test_ufile      = NULL;
 629 uschar *filter_thisaddress     = NULL;
 630 int     finduser_retries       = 0;
 631 #ifdef WITH_OLD_DEMIME
 632 uschar *found_extension        = NULL;
 633 #endif
 634 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 635 uschar *freeze_tell            = NULL;
 636 uschar *freeze_tell_config     = NULL;
 637 uschar *fudged_queue_times     = US"";
 638
 639 uschar *gecos_name             = NULL;
 640 uschar *gecos_pattern          = NULL;
 641 rewrite_rule  *global_rewrite_rules = NULL;
 642
 643 uschar *headers_charset        = US HEADERS_CHARSET;
 644 int     header_insert_maxlen   = 64 * 1024;
 645 header_line  *header_last      = NULL;
 646 header_line  *header_list      = NULL;
 647 int     header_maxsize         = HEADER_MAXSIZE;
 648 int     header_line_maxsize    = 0;
 649
 650 header_name header_names[] = {
 651   { US"bcc",            3, TRUE,  htype_bcc },
 652   { US"cc",             2, TRUE,  htype_cc },
 653   { US"date",           4, TRUE,  htype_date },
 654   { US"delivery-date", 13, FALSE, htype_delivery_date },
 655   { US"envelope-to",   11, FALSE, htype_envelope_to },
 656   { US"from",           4, TRUE,  htype_from },
 657   { US"message-id",    10, TRUE,  htype_id },
 658   { US"received",       8, FALSE, htype_received },
 659   { US"reply-to",       8, FALSE, htype_reply_to },
 660   { US"return-path",   11, FALSE, htype_return_path },
 661   { US"sender",         6, TRUE,  htype_sender },
 662   { US"subject",        7, FALSE, htype_subject },
 663   { US"to",             2, TRUE,  htype_to }
 664 };
 665
 666 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 667
 668 BOOL    header_rewritten       = FALSE;
 669 uschar *helo_accept_junk_hosts = NULL;
 670 uschar *helo_allow_chars       = US"";
 671 uschar *helo_lookup_domains    = US"@ : @[]";
 672 uschar *helo_try_verify_hosts  = NULL;
 673 BOOL    helo_verified          = FALSE;
 674 BOOL    helo_verify_failed     = FALSE;
 675 uschar *helo_verify_hosts      = NULL;
 676 const uschar *hex_digits       = CUS"0123456789abcdef";
 677 uschar *hold_domains           = NULL;
 678 BOOL    host_checking          = FALSE;
 679 BOOL    host_checking_callout  = FALSE;
 680 uschar *host_data              = NULL;
 681 BOOL    host_find_failed_syntax= FALSE;
 682 uschar *host_lookup            = NULL;
 683 BOOL    host_lookup_deferred   = FALSE;
 684 BOOL    host_lookup_failed     = FALSE;
 685 uschar *host_lookup_order      = US"bydns:byaddr";
 686 uschar *host_lookup_msg        = US"";
 687 int     host_number            = 0;
 688 uschar *host_number_string     = NULL;
 689 uschar *host_reject_connection = NULL;
 690 tree_node *hostlist_anchor     = NULL;
 691 int     hostlist_count         = 0;
 692 uschar *hosts_treat_as_local   = NULL;
 693 uschar *hosts_connection_nolog = NULL;
 694
 695 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 696 BOOL    ignore_fromline_local  = FALSE;
 697 uschar *ignore_fromline_hosts  = NULL;
 698 BOOL    inetd_wait_mode        = FALSE;
 699 int     inetd_wait_timeout     = -1;
 700 uschar *interface_address      = NULL;
 701 int     interface_port         = -1;
 702 BOOL    is_inetd               = FALSE;
 703 uschar *iterate_item           = NULL;
 704
 705 int     journal_fd             = -1;
 706
 707 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 708
 709 uschar *eldap_dn               = NULL;
 710 int     load_average           = -2;
 711 BOOL    local_error_message    = FALSE;
 712 BOOL    local_from_check       = TRUE;
 713 uschar *local_from_prefix      = NULL;
 714 uschar *local_from_suffix      = NULL;
 715
 716 #if HAVE_IPV6
 717 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 718 #else
 719 uschar *local_interfaces       = US"0.0.0.0";
 720 #endif
 721
 722 uschar *local_scan_data        = NULL;
 723 int     local_scan_timeout     = 5*60;
 724 BOOL    local_sender_retain    = FALSE;
 725 gid_t   local_user_gid         = (gid_t)(-1);
 726 uid_t   local_user_uid         = (uid_t)(-1);
 727
 728 tree_node *localpartlist_anchor= NULL;
 729 int     localpartlist_count    = 0;
 730 uschar *log_buffer             = NULL;
 731 unsigned int log_extra_selector = LX_default;
 732 uschar *log_file_path          = US LOG_FILE_PATH
 733                            "\0<--------------Space to patch log_file_path->";
 734
 735 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 736 are the ones that get put into log_write_selector. They can be used in calls to
 737 log_write() to test for the bit. The options with LX_xxx identifiers have
 738 values greater than 0x80000000 and are put into log_extra_selector (without the
 739 top bit). They are never used in calls to log_write(), but are tested
 740 independently. This separation became necessary when the number of log
 741 selectors was getting close to filling a 32-bit word. */
 742
 743 /* Note that this list must be in alphabetical order. */
 744
 745 bit_table log_options[]        = {
 746   { US"8bitmime",                     LX_8bitmime },
 747   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 748   { US"address_rewrite",              L_address_rewrite },
 749   { US"all",                          L_all },
 750   { US"all_parents",                  L_all_parents },
 751   { US"arguments",                    LX_arguments },
 752   { US"connection_reject",            L_connection_reject },
 753   { US"delay_delivery",               L_delay_delivery },
 754   { US"deliver_time",                 LX_deliver_time },
 755   { US"delivery_size",                LX_delivery_size },
 756   { US"dnslist_defer",                L_dnslist_defer },
 757   { US"etrn",                         L_etrn },
 758   { US"host_lookup_failed",           L_host_lookup_failed },
 759   { US"ident_timeout",                LX_ident_timeout },
 760   { US"incoming_interface",           LX_incoming_interface },
 761   { US"incoming_port",                LX_incoming_port },
 762   { US"lost_incoming_connection",     L_lost_incoming_connection },
 763   { US"outgoing_port",                LX_outgoing_port },
 764   { US"pid",                          LX_pid },
 765   { US"queue_run",                    L_queue_run },
 766   { US"queue_time",                   LX_queue_time },
 767   { US"queue_time_overall",           LX_queue_time_overall },
 768   { US"received_recipients",          LX_received_recipients },
 769   { US"received_sender",              LX_received_sender },
 770   { US"rejected_header",              LX_rejected_header },
 771   { US"rejected_headers",             LX_rejected_header },
 772   { US"retry_defer",                  L_retry_defer },
 773   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 774   { US"sender_on_delivery",           LX_sender_on_delivery },
 775   { US"sender_verify_fail",           LX_sender_verify_fail },
 776   { US"size_reject",                  L_size_reject },
 777   { US"skip_delivery",                L_skip_delivery },
 778   { US"smtp_confirmation",            LX_smtp_confirmation },
 779   { US"smtp_connection",              L_smtp_connection },
 780   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 781   { US"smtp_mailauth",                LX_smtp_mailauth },
 782   { US"smtp_no_mail",                 LX_smtp_no_mail },
 783   { US"smtp_protocol_error",          L_smtp_protocol_error },
 784   { US"smtp_syntax_error",            L_smtp_syntax_error },
 785   { US"subject",                      LX_subject },
 786   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 787   { US"tls_cipher",                   LX_tls_cipher },
 788   { US"tls_peerdn",                   LX_tls_peerdn },
 789   { US"tls_sni",                      LX_tls_sni },
 790   { US"unknown_in_list",              LX_unknown_in_list }
 791 };
 792
 793 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 794 int     log_reject_target      = 0;
 795 uschar *log_selector_string    = NULL;
 796 FILE   *log_stderr             = NULL;
 797 BOOL    log_testing_mode       = FALSE;
 798 BOOL    log_timezone           = FALSE;
 799 unsigned int log_write_selector= L_default;
 800 uschar *login_sender_address   = NULL;
 801 int     lookup_open_max        = 25;
 802 uschar *lookup_value           = NULL;
 803
 804 macro_item  *macros            = NULL;
 805 uschar *mailstore_basename     = NULL;
 806 #ifdef WITH_CONTENT_SCAN
 807 uschar *malware_name           = NULL;  /* Virus Name */
 808 #endif
 809 int     max_received_linelength= 0;
 810 int     max_username_length    = 0;
 811 int     message_age            = 0;
 812 uschar *message_body           = NULL;
 813 uschar *message_body_end       = NULL;
 814 BOOL    message_body_newlines  = FALSE;
 815 int     message_body_size      = 0;
 816 int     message_body_visible   = 500;
 817 int     message_ended          = END_NOTSTARTED;
 818 uschar *message_headers        = NULL;
 819 uschar *message_id;
 820 uschar *message_id_domain      = NULL;
 821 uschar *message_id_text        = NULL;
 822 struct timeval message_id_tv   = { 0, 0 };
 823 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 824 uschar *message_id_external;
 825 int     message_linecount      = 0;
 826 BOOL    message_logs           = TRUE;
 827 int     message_size           = 0;
 828 uschar *message_size_limit     = US"50M";
 829 uschar  message_subdir[2]      = { 0, 0 };
 830 uschar *message_reference      = NULL;
 831
 832 /* MIME ACL expandables */
 833 #ifdef WITH_CONTENT_SCAN
 834 int     mime_anomaly_level     = 0;
 835 const uschar *mime_anomaly_text      = NULL;
 836 uschar *mime_boundary          = NULL;
 837 uschar *mime_charset           = NULL;
 838 uschar *mime_content_description = NULL;
 839 uschar *mime_content_disposition = NULL;
 840 uschar *mime_content_id        = NULL;
 841 unsigned int mime_content_size = 0;
 842 uschar *mime_content_transfer_encoding = NULL;
 843 uschar *mime_content_type      = NULL;
 844 uschar *mime_decoded_filename  = NULL;
 845 uschar *mime_filename          = NULL;
 846 int     mime_is_multipart      = 0;
 847 int     mime_is_coverletter    = 0;
 848 int     mime_is_rfc822         = 0;
 849 int     mime_part_count        = -1;
 850 #endif
 851
 852 BOOL    mua_wrapper            = FALSE;
 853
 854 uid_t  *never_users            = NULL;
 855 #ifdef WITH_CONTENT_SCAN
 856 BOOL    no_mbox_unspool        = FALSE;
 857 #endif
 858 BOOL    no_multiline_responses = FALSE;
 859
 860 uid_t   original_euid;
 861 gid_t   originator_gid;
 862 uschar *originator_login       = NULL;
 863 uschar *originator_name        = NULL;
 864 uid_t   originator_uid;
 865 uschar *override_local_interfaces = NULL;
 866 uschar *override_pid_file_path = NULL;
 867
 868 BOOL    parse_allow_group      = FALSE;
 869 BOOL    parse_found_group      = FALSE;
 870 uschar *percent_hack_domains   = NULL;
 871 uschar *pid_file_path          = US PID_FILE_PATH
 872                            "\0<--------------Space to patch pid_file_path->";
 873 BOOL    pipelining_enable      = TRUE;
 874 uschar *pipelining_advertise_hosts = US"*";
 875 BOOL    preserve_message_logs  = FALSE;
 876 uschar *primary_hostname       = NULL;
 877 BOOL    print_topbitchars      = FALSE;
 878 uschar  process_info[PROCESS_INFO_SIZE];
 879 int     process_info_len       = 0;
 880 uschar *process_log_path       = NULL;
 881 BOOL    prod_requires_admin    = TRUE;
 882 uschar *prvscheck_address      = NULL;
 883 uschar *prvscheck_keynum       = NULL;
 884 uschar *prvscheck_result       = NULL;
 885
 886
 887 uschar *qualify_domain_recipient = NULL;
 888 uschar *qualify_domain_sender  = NULL;
 889 BOOL    queue_2stage           = FALSE;
 890 uschar *queue_domains          = NULL;
 891 int     queue_interval         = -1;
 892 BOOL    queue_list_requires_admin = TRUE;
 893 BOOL    queue_only             = FALSE;
 894 uschar *queue_only_file        = NULL;
 895 int     queue_only_load        = -1;
 896 BOOL    queue_only_load_latch  = TRUE;
 897 BOOL    queue_only_override    = TRUE;
 898 BOOL    queue_only_policy      = FALSE;
 899 BOOL    queue_run_first_delivery = FALSE;
 900 BOOL    queue_run_force        = FALSE;
 901 BOOL    queue_run_in_order     = FALSE;
 902 BOOL    queue_run_local        = FALSE;
 903 int     queue_run_max          = 5;
 904 pid_t   queue_run_pid          = (pid_t)0;
 905 int     queue_run_pipe         = -1;
 906 BOOL    queue_running          = FALSE;
 907 BOOL    queue_smtp             = FALSE;
 908 uschar *queue_smtp_domains     = NULL;
 909
 910 unsigned int random_seed       = 0;
 911 tree_node *ratelimiters_cmd    = NULL;
 912 tree_node *ratelimiters_conn   = NULL;
 913 tree_node *ratelimiters_mail   = NULL;
 914 uschar *raw_active_hostname    = NULL;
 915 uschar *raw_sender             = NULL;
 916 uschar **raw_recipients        = NULL;
 917 int     raw_recipients_count   = 0;
 918
 919 int     rcpt_count             = 0;
 920 int     rcpt_fail_count        = 0;
 921 int     rcpt_defer_count       = 0;
 922 gid_t   real_gid;
 923 uid_t   real_uid;
 924 BOOL    really_exim            = TRUE;
 925 BOOL    receive_call_bombout   = FALSE;
 926 int     receive_linecount      = 0;
 927 int     receive_messagecount   = 0;
 928 int     receive_timeout        = 0;
 929 int     received_count         = 0;
 930 uschar *received_for           = NULL;
 931
 932 /*  This is the default text for Received headers generated by Exim. The
 933 date  will be automatically added on the end. */
 934
 935 uschar *received_header_text   = US
 936      "Received: "
 937      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 938      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 939      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 940      "by $primary_hostname "
 941      "${if def:received_protocol {with $received_protocol}} "
 942      #ifdef SUPPORT_TLS
 943      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 944      #endif
 945      "(Exim $version_number)\n\t"
 946      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 947      "id $message_exim_id"
 948      "${if def:received_for {\n\tfor $received_for}}"
 949      "\0<---------------Space to patch received_header_text->";
 950
 951 int     received_headers_max   = 30;
 952 uschar *received_protocol      = NULL;
 953 int     received_time          = 0;
 954 uschar *recipient_data         = NULL;
 955 uschar *recipient_unqualified_hosts = NULL;
 956 uschar *recipient_verify_failure = NULL;
 957 int     recipients_count       = 0;
 958 BOOL    recipients_discarded   = FALSE;
 959 recipient_item  *recipients_list = NULL;
 960 int     recipients_list_max    = 0;
 961 int     recipients_max         = 0;
 962 BOOL    recipients_max_reject  = FALSE;
 963 const pcre *regex_AUTH         = NULL;
 964 const pcre *regex_check_dns_names = NULL;
 965 const pcre *regex_From         = NULL;
 966 const pcre *regex_IGNOREQUOTA  = NULL;
 967 const pcre *regex_PIPELINING   = NULL;
 968 const pcre *regex_SIZE         = NULL;
 969 const pcre *regex_smtp_code    = NULL;
 970 const pcre *regex_ismsgid      = NULL;
 971 #ifdef WHITELIST_D_MACROS
 972 const pcre *regex_whitelisted_macro = NULL;
 973 #endif
 974 #ifdef WITH_CONTENT_SCAN
 975 uschar *regex_match_string     = NULL;
 976 #endif
 977 int     remote_delivery_count  = 0;
 978 int     remote_max_parallel    = 2;
 979 uschar *remote_sort_domains    = NULL;
 980 int     retry_data_expire      = 7*24*60*60;
 981 int     retry_interval_max     = 24*60*60;
 982 int     retry_maximum_timeout  = 0;        /* set from retry config */
 983 retry_config  *retries         = NULL;
 984 uschar *return_path            = NULL;
 985 BOOL    return_path_remove     = TRUE;
 986 int     rewrite_existflags     = 0;
 987 uschar *rfc1413_hosts          = US"*";
 988 int     rfc1413_query_timeout  = 5;
 989 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
 990 uid_t   root_gid               = ROOT_GID;
 991 uid_t   root_uid               = ROOT_UID;
 992
 993 router_instance  *routers  = NULL;
 994 router_instance  router_defaults = {
 995     NULL,                      /* chain pointer */
 996     NULL,                      /* name */
 997     NULL,                      /* info */
 998     NULL,                      /* private options block pointer */
 999     NULL,                      /* driver name */
1000
1001     NULL,                      /* address_data */
1002 #ifdef EXPERIMENTAL_BRIGHTMAIL
1003     NULL,                      /* bmi_rule */
1004 #endif
1005     NULL,                      /* cannot_route_message */
1006     NULL,                      /* condition */
1007     NULL,                      /* current_directory */
1008     NULL,                      /* debug_string */
1009     NULL,                      /* domains */
1010     NULL,                      /* errors_to */
1011     NULL,                      /* expand_gid */
1012     NULL,                      /* expand_uid */
1013     NULL,                      /* expand_more */
1014     NULL,                      /* expand_unseen */
1015     NULL,                      /* extra_headers */
1016     NULL,                      /* fallback_hosts */
1017     NULL,                      /* home_directory */
1018     NULL,                      /* ignore_target_hosts */
1019     NULL,                      /* local_parts */
1020     NULL,                      /* pass_router_name */
1021     NULL,                      /* prefix */
1022     NULL,                      /* redirect_router_name */
1023     NULL,                      /* remove_headers */
1024     NULL,                      /* require_files */
1025     NULL,                      /* router_home_directory */
1026     US"freeze",                /* self */
1027     NULL,                      /* senders */
1028     NULL,                      /* suffix */
1029     NULL,                      /* translate_ip_address */
1030     NULL,                      /* transport_name */
1031
1032     TRUE,                      /* address_test */
1033 #ifdef EXPERIMENTAL_BRIGHTMAIL
1034     FALSE,                     /* bmi_deliver_alternate */
1035     FALSE,                     /* bmi_deliver_default */
1036     FALSE,                     /* bmi_dont_deliver */
1037 #endif
1038     TRUE,                      /* expn */
1039     FALSE,                     /* caseful_local_part */
1040     FALSE,                     /* check_local_user */
1041     FALSE,                     /* disable_logging */
1042     FALSE,                     /* fail_verify_recipient */
1043     FALSE,                     /* fail_verify_sender */
1044     FALSE,                     /* gid_set */
1045     FALSE,                     /* initgroups */
1046     TRUE_UNSET,                /* log_as_local */
1047     TRUE,                      /* more */
1048     FALSE,                     /* pass_on_timeout */
1049     FALSE,                     /* prefix_optional */
1050     TRUE,                      /* repeat_use */
1051     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1052     FALSE,                     /* same_domain_copy_routing */
1053     FALSE,                     /* self_rewrite */
1054     FALSE,                     /* suffix_optional */
1055     FALSE,                     /* verify_only */
1056     TRUE,                      /* verify_recipient */
1057     TRUE,                      /* verify_sender */
1058     FALSE,                     /* uid_set */
1059     FALSE,                     /* unseen */
1060
1061     self_freeze,               /* self_code */
1062     (uid_t)(-1),               /* uid */
1063     (gid_t)(-1),               /* gid */
1064
1065     NULL,                      /* fallback_hostlist */
1066     NULL,                      /* transport instance */
1067     NULL,                      /* pass_router */
1068     NULL                       /* redirect_router */
1069 };
1070
1071 ip_address_item *running_interfaces = NULL;
1072 BOOL    running_in_test_harness = FALSE;
1073
1074 /* This is a weird one. The following string gets patched in the binary by the
1075 script that sets up a copy of Exim for running in the test harness. It seems
1076 that compilers are now clever, and share constant strings if they can.
1077 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1078 make use of the end of this string in order to save space. So the patching then
1079 wrecks this. We defeat this optimization by adding some additional characters
1080 onto the end of the string. */
1081
1082 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1083
1084 int     runrc                  = 0;
1085
1086 uschar *search_error_message   = NULL;
1087 BOOL    search_find_defer      = FALSE;
1088 uschar *self_hostname          = NULL;
1089 uschar *sender_address         = NULL;
1090 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1091 uschar *sender_address_data    = NULL;
1092 BOOL    sender_address_forced  = FALSE;
1093 uschar *sender_address_unrewritten = NULL;
1094 uschar *sender_data            = NULL;
1095 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1096 uschar *sender_fullhost        = NULL;
1097 uschar *sender_helo_name       = NULL;
1098 uschar **sender_host_aliases   = &no_aliases;
1099 uschar *sender_host_address    = NULL;
1100 uschar *sender_host_authenticated = NULL;
1101 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1102 BOOL    sender_host_dnssec     = FALSE;
1103 uschar *sender_host_name       = NULL;
1104 int     sender_host_port       = 0;
1105 BOOL    sender_host_notsocket  = FALSE;
1106 BOOL    sender_host_unknown    = FALSE;
1107 uschar *sender_ident           = NULL;
1108 BOOL    sender_local           = FALSE;
1109 BOOL    sender_name_forced     = FALSE;
1110 uschar *sender_rate            = NULL;
1111 uschar *sender_rate_limit      = NULL;
1112 uschar *sender_rate_period     = NULL;
1113 uschar *sender_rcvhost         = NULL;
1114 BOOL    sender_set_untrusted   = FALSE;
1115 uschar *sender_unqualified_hosts = NULL;
1116 uschar *sender_verify_failure = NULL;
1117 address_item *sender_verified_list  = NULL;
1118 address_item *sender_verified_failed = NULL;
1119 int     sender_verified_rc     = -1;
1120 BOOL    sender_verified_responded = FALSE;
1121 uschar *sending_ip_address     = NULL;
1122 int     sending_port           = -1;
1123 SIGNAL_BOOL sigalrm_seen       = FALSE;
1124 uschar **sighup_argv           = NULL;
1125 int     smtp_accept_count      = 0;
1126 BOOL    smtp_accept_keepalive  = TRUE;
1127 int     smtp_accept_max        = 20;
1128 int     smtp_accept_max_nonmail= 10;
1129 uschar *smtp_accept_max_nonmail_hosts = US"*";
1130 int     smtp_accept_max_per_connection = 1000;
1131 uschar *smtp_accept_max_per_host = NULL;
1132 int     smtp_accept_queue      = 0;
1133 int     smtp_accept_queue_per_connection = 10;
1134 int     smtp_accept_reserve    = 0;
1135 uschar *smtp_active_hostname   = NULL;
1136 BOOL    smtp_authenticated     = FALSE;
1137 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1138                              "Exim $version_number $tod_full"
1139                              "\0<---------------Space to patch smtp_banner->";
1140 BOOL    smtp_batched_input     = FALSE;
1141 BOOL    smtp_check_spool_space = TRUE;
1142 int     smtp_ch_index          = 0;
1143 uschar *smtp_cmd_argument      = NULL;
1144 uschar *smtp_cmd_buffer        = NULL;
1145 time_t  smtp_connection_start  = 0;
1146 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1147 int     smtp_connect_backlog   = 20;
1148 double  smtp_delay_mail        = 0.0;
1149 double  smtp_delay_rcpt        = 0.0;
1150 BOOL    smtp_enforce_sync      = TRUE;
1151 FILE   *smtp_in                = NULL;
1152 BOOL    smtp_input             = FALSE;
1153 int     smtp_load_reserve      = -1;
1154 int     smtp_mailcmd_count     = 0;
1155 FILE   *smtp_out               = NULL;
1156 uschar *smtp_etrn_command      = NULL;
1157 BOOL    smtp_etrn_serialize    = TRUE;
1158 int     smtp_max_synprot_errors= 3;
1159 int     smtp_max_unknown_commands = 3;
1160 uschar *smtp_notquit_reason    = NULL;
1161 uschar *smtp_ratelimit_hosts   = NULL;
1162 uschar *smtp_ratelimit_mail    = NULL;
1163 uschar *smtp_ratelimit_rcpt    = NULL;
1164 uschar *smtp_read_error        = US"";
1165 int     smtp_receive_timeout   = 5*60;
1166 uschar *smtp_reserve_hosts     = NULL;
1167 BOOL    smtp_return_error_details = FALSE;
1168 int     smtp_rlm_base          = 0;
1169 double  smtp_rlm_factor        = 0.0;
1170 int     smtp_rlm_limit         = 0;
1171 int     smtp_rlm_threshold     = INT_MAX;
1172 int     smtp_rlr_base          = 0;
1173 double  smtp_rlr_factor        = 0.0;
1174 int     smtp_rlr_limit         = 0;
1175 int     smtp_rlr_threshold     = INT_MAX;
1176 BOOL    smtp_use_pipelining    = FALSE;
1177 BOOL    smtp_use_size          = FALSE;
1178
1179 #ifdef WITH_CONTENT_SCAN
1180 uschar *spamd_address          = US"127.0.0.1 783";
1181 uschar *spam_bar               = NULL;
1182 uschar *spam_report            = NULL;
1183 uschar *spam_score             = NULL;
1184 uschar *spam_score_int         = NULL;
1185 #endif
1186 #ifdef EXPERIMENTAL_SPF
1187 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1188 uschar *spf_header_comment     = NULL;
1189 uschar *spf_received           = NULL;
1190 uschar *spf_result             = NULL;
1191 uschar *spf_smtp_comment       = NULL;
1192 #endif
1193
1194 BOOL    split_spool_directory  = FALSE;
1195 uschar *spool_directory        = US SPOOL_DIRECTORY
1196                            "\0<--------------Space to patch spool_directory->";
1197 #ifdef EXPERIMENTAL_SRS
1198 uschar *srs_config             = NULL;
1199 uschar *srs_db_address         = NULL;
1200 uschar *srs_db_key             = NULL;
1201 int     srs_hashlength         = 6;
1202 int     srs_hashmin            = -1;
1203 int     srs_maxage             = 31;
1204 uschar *srs_orig_recipient     = NULL;
1205 uschar *srs_orig_sender        = NULL;
1206 uschar *srs_recipient          = NULL;
1207 uschar *srs_secrets            = NULL;
1208 uschar *srs_status             = NULL;
1209 BOOL    srs_usehash            = TRUE;
1210 BOOL    srs_usetimestamp       = TRUE;
1211 #endif
1212 BOOL    strict_acl_vars        = FALSE;
1213 int     string_datestamp_offset= -1;
1214 int     string_datestamp_length= 0;
1215 int     string_datestamp_type  = -1;
1216 BOOL    strip_excess_angle_brackets = FALSE;
1217 BOOL    strip_trailing_dot     = FALSE;
1218 uschar *submission_domain      = NULL;
1219 BOOL    submission_mode        = FALSE;
1220 uschar *submission_name        = NULL;
1221 BOOL    suppress_local_fixups  = FALSE;
1222 BOOL    suppress_local_fixups_default = FALSE;
1223 BOOL    synchronous_delivery   = FALSE;
1224 BOOL    syslog_duplication     = TRUE;
1225 int     syslog_facility        = LOG_MAIL;
1226 uschar *syslog_processname     = US"exim";
1227 BOOL    syslog_timestamp       = TRUE;
1228 uschar *system_filter          = NULL;
1229
1230 uschar *system_filter_directory_transport = NULL;
1231 uschar *system_filter_file_transport = NULL;
1232 uschar *system_filter_pipe_transport = NULL;
1233 uschar *system_filter_reply_transport = NULL;
1234
1235 gid_t   system_filter_gid      = 0;
1236 BOOL    system_filter_gid_set  = FALSE;
1237 uid_t   system_filter_uid      = (uid_t)-1;
1238 BOOL    system_filter_uid_set  = FALSE;
1239 BOOL    system_filtering       = FALSE;
1240
1241 BOOL    tcp_nodelay            = TRUE;
1242 #ifdef USE_TCP_WRAPPERS
1243 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1244 #endif
1245 int     test_harness_load_avg  = 0;
1246 int     thismessage_size_limit = 0;
1247 int     timeout_frozen_after   = 0;
1248 BOOL    timestamps_utc         = FALSE;
1249
1250 transport_instance  *transports = NULL;
1251
1252 transport_instance  transport_defaults = {
1253     NULL,                     /* chain pointer */
1254     NULL,                     /* name */
1255     NULL,                     /* info */
1256     NULL,                     /* private options block pointer */
1257     NULL,                     /* driver name */
1258     NULL,                     /* setup entry point */
1259     1,                        /* batch_max */
1260     NULL,                     /* batch_id */
1261     NULL,                     /* home_dir */
1262     NULL,                     /* current_dir */
1263     TRUE,                     /* multi-domain */
1264     FALSE,                    /* overrides_hosts */
1265     100,                      /* max_addresses */
1266     500,                      /* connection_max_messages */
1267     FALSE,                    /* deliver_as_creator */
1268     FALSE,                    /* disable_logging */
1269     FALSE,                    /* initgroups */
1270     FALSE,                    /* uid_set */
1271     FALSE,                    /* gid_set */
1272     (uid_t)(-1),              /* uid */
1273     (gid_t)(-1),              /* gid */
1274     NULL,                     /* expand_uid */
1275     NULL,                     /* expand_gid */
1276     NULL,                     /* warn_message */
1277     NULL,                     /* shadow */
1278     NULL,                     /* shadow_condition */
1279     NULL,                     /* filter_command */
1280     NULL,                     /* add_headers */
1281     NULL,                     /* remove_headers */
1282     NULL,                     /* return_path */
1283     NULL,                     /* debug_string */
1284     NULL,                     /* message_size_limit */
1285     NULL,                     /* headers_rewrite */
1286     NULL,                     /* rewrite_rules */
1287     0,                        /* rewrite_existflags */
1288     300,                      /* filter_timeout */
1289     FALSE,                    /* body_only */
1290     FALSE,                    /* delivery_date_add */
1291     FALSE,                    /* envelope_to_add */
1292     FALSE,                    /* headers_only */
1293     FALSE,                    /* rcpt_include_affixes */
1294     FALSE,                    /* return_path_add */
1295     FALSE,                    /* return_output */
1296     FALSE,                    /* return_fail_output */
1297     FALSE,                    /* log_output */
1298     FALSE,                    /* log_fail_output */
1299     FALSE,                    /* log_defer_output */
1300     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1301                                  1 nor 0 so can detect unset */
1302 };
1303
1304 int     transport_count;
1305 int     transport_newlines;
1306 uschar **transport_filter_argv  = NULL;
1307 int     transport_filter_timeout;
1308 BOOL    transport_filter_timed_out = FALSE;
1309 int     transport_write_timeout= 0;
1310
1311 tree_node  *tree_dns_fails     = NULL;
1312 tree_node  *tree_duplicates    = NULL;
1313 tree_node  *tree_nonrecipients = NULL;
1314 tree_node  *tree_unusable      = NULL;
1315
1316 BOOL    trusted_caller         = FALSE;
1317 BOOL    trusted_config         = TRUE;
1318 gid_t  *trusted_groups         = NULL;
1319 uid_t  *trusted_users          = NULL;
1320 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1321
1322 uschar *unknown_login          = NULL;
1323 uschar *unknown_username       = NULL;
1324 uschar *untrusted_set_sender   = NULL;
1325
1326 /*  A regex for matching a "From_" line in an incoming message, in the form
1327
1328     From ph10 Fri Jan  5 12:35 GMT 1996
1329
1330 which  the "mail" commands send to the MTA (undocumented, of course), or in
1331 the  form
1332
1333     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1334
1335 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1336 Because  of variations in time formats, just match up to the minutes. That
1337 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1338 so  just require one digit for hours and minutes. The weekday is also absent
1339 in  some forms. */
1340
1341 uschar *uucp_from_pattern      = US
1342    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1343    "(?:"                                          /* Non-extracting bracket */
1344    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1345    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1346    ")"                                            /* End alternation */
1347    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1348
1349 uschar *uucp_from_sender       = US"$1";
1350
1351 uschar *warn_message_file      = NULL;
1352 uschar *warnmsg_delay          = NULL;
1353 uschar *warnmsg_recipients     = NULL;
1354 BOOL    write_rejectlog        = TRUE;
1355
1356 uschar *version_copyright      =
1357  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1358    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1359 uschar *version_date           = US"?";
1360 uschar *version_cnumber        = US"????";
1361 uschar *version_string         = US"?";
1362
1363 int     warning_count          = 0;
1364
1365 /*  End of globals.c */