src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2014 */
   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 EXPERIMENTAL_REDIS
  87 uschar *redis_servers          = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_SQLITE
  91 int     sqlite_lock_timeout    = 5;
  92 #endif
  93
  94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  95 BOOL    move_frozen_messages   = FALSE;
  96 #endif
  97
  98 /* These variables are outside the #ifdef because it keeps the code less
  99 cluttered in several places (e.g. during logging) if we can always refer to
 100 them. Also, the tls_ variables are now always visible. */
 101
 102 tls_support tls_in = {
 103  -1,   /* tls_active */
 104  0,    /* tls_bits */
 105  FALSE,/* tls_certificate_verified */
 106  NULL, /* tls_cipher */
 107  FALSE,/* tls_on_connect */
 108  NULL, /* tls_on_connect_ports */
 109  NULL, /* tls_ourcert */
 110  NULL, /* tls_peercert */
 111  NULL, /* tls_peerdn */
 112  NULL, /* tls_sni */
 113  0     /* tls_ocsp */
 114 };
 115 tls_support tls_out = {
 116  -1,   /* tls_active */
 117  0,    /* tls_bits */
 118  FALSE,/* tls_certificate_verified */
 119  NULL, /* tls_cipher */
 120  FALSE,/* tls_on_connect */
 121  NULL, /* tls_on_connect_ports */
 122  NULL, /* tls_ourcert */
 123  NULL, /* tls_peercert */
 124  NULL, /* tls_peerdn */
 125  NULL, /* tls_sni */
 126  0     /* tls_ocsp */
 127 };
 128
 129 #ifdef EXPERIMENTAL_DSN
 130 uschar *dsn_envid              = NULL;
 131 int     dsn_ret                = 0;
 132 const pcre  *regex_DSN         = NULL;
 133 BOOL    smtp_use_dsn           = FALSE;
 134 uschar *dsn_advertise_hosts    = NULL;
 135 #endif
 136
 137 #ifdef SUPPORT_TLS
 138 BOOL    gnutls_compat_mode     = FALSE;
 139 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 140 uschar *gnutls_require_mac     = NULL;
 141 uschar *gnutls_require_kx      = NULL;
 142 uschar *gnutls_require_proto   = NULL;
 143 uschar *openssl_options        = NULL;
 144 const pcre *regex_STARTTLS     = NULL;
 145 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 146 uschar *tls_certificate        = NULL;
 147 uschar *tls_crl                = NULL;
 148 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 149 that's the interop problem which has been observed: GnuTLS suggesting a higher
 150 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 151 int     tls_dh_max_bits        = 2236;
 152 uschar *tls_dhparam            = NULL;
 153 #ifndef DISABLE_OCSP
 154 uschar *tls_ocsp_file          = NULL;
 155 #endif
 156 BOOL    tls_offered            = FALSE;
 157 uschar *tls_privatekey         = NULL;
 158 BOOL    tls_remember_esmtp     = FALSE;
 159 uschar *tls_require_ciphers    = NULL;
 160 uschar *tls_try_verify_hosts   = NULL;
 161 uschar *tls_verify_certificates= NULL;
 162 uschar *tls_verify_hosts       = NULL;
 163 #endif
 164
 165 #ifndef DISABLE_PRDR
 166 /* Per Recipient Data Response variables */
 167 BOOL    prdr_enable            = FALSE;
 168 BOOL    prdr_requested         = FALSE;
 169 const pcre *regex_PRDR         = NULL;
 170 #endif
 171
 172 /* Input-reading functions for messages, so we can use special ones for
 173 incoming TCP/IP. The defaults use stdin. We never need these for any
 174 stand-alone tests. */
 175
 176 #ifndef STAND_ALONE
 177 int (*receive_getc)(void)      = stdin_getc;
 178 int (*receive_ungetc)(int)     = stdin_ungetc;
 179 int (*receive_feof)(void)      = stdin_feof;
 180 int (*receive_ferror)(void)    = stdin_ferror;
 181 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 182 #endif
 183
 184
 185 /* List of per-address expansion variables for clearing and saving/restoring
 186 when verifying one address while routing/verifying another. We have to have
 187 the size explicit, because it is referenced from more than one module. */
 188
 189 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 190   &deliver_address_data,
 191   &deliver_domain,
 192   &deliver_domain_data,
 193   &deliver_domain_orig,
 194   &deliver_domain_parent,
 195   &deliver_localpart,
 196   &deliver_localpart_data,
 197   &deliver_localpart_orig,
 198   &deliver_localpart_parent,
 199   &deliver_localpart_prefix,
 200   &deliver_localpart_suffix,
 201   (uschar **)(&deliver_recipients),
 202   &deliver_host,
 203   &deliver_home,
 204   &address_file,
 205   &address_pipe,
 206   &self_hostname,
 207   NULL };
 208
 209 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 210
 211 /* General global variables */
 212
 213 header_line *acl_added_headers = NULL;
 214 tree_node *acl_anchor          = NULL;
 215 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 216                                   NULL, NULL, NULL, NULL};
 217 int     acl_narg               = 0;
 218
 219 uschar *acl_not_smtp           = NULL;
 220 #ifdef WITH_CONTENT_SCAN
 221 uschar *acl_not_smtp_mime      = NULL;
 222 #endif
 223 uschar *acl_not_smtp_start     = NULL;
 224 uschar *acl_removed_headers    = NULL;
 225 uschar *acl_smtp_auth          = NULL;
 226 uschar *acl_smtp_connect       = NULL;
 227 uschar *acl_smtp_data          = NULL;
 228 #ifndef DISABLE_PRDR
 229 uschar *acl_smtp_data_prdr     = NULL;
 230 #endif
 231 #ifndef DISABLE_DKIM
 232 uschar *acl_smtp_dkim          = NULL;
 233 #endif
 234 uschar *acl_smtp_etrn          = NULL;
 235 uschar *acl_smtp_expn          = NULL;
 236 uschar *acl_smtp_helo          = NULL;
 237 uschar *acl_smtp_mail          = NULL;
 238 uschar *acl_smtp_mailauth      = NULL;
 239 #ifdef WITH_CONTENT_SCAN
 240 uschar *acl_smtp_mime          = NULL;
 241 #endif
 242 uschar *acl_smtp_notquit       = NULL;
 243 uschar *acl_smtp_predata       = NULL;
 244 uschar *acl_smtp_quit          = NULL;
 245 uschar *acl_smtp_rcpt          = NULL;
 246 uschar *acl_smtp_starttls      = NULL;
 247 uschar *acl_smtp_vrfy          = NULL;
 248
 249 BOOL    acl_temp_details       = FALSE;
 250 tree_node *acl_var_c           = NULL;
 251 tree_node *acl_var_m           = NULL;
 252 uschar *acl_verify_message     = NULL;
 253 string_item *acl_warn_logged   = NULL;
 254
 255 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 256 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 257
 258 uschar *acl_wherenames[]       = { US"RCPT",
 259                                    US"MAIL",
 260                                    US"PREDATA",
 261                                    US"MIME",
 262                                    US"DKIM",
 263                                    US"DATA",
 264 #ifndef DISABLE_PRDR
 265                                    US"PRDR",
 266 #endif
 267                                    US"non-SMTP",
 268                                    US"AUTH",
 269                                    US"connection",
 270                                    US"ETRN",
 271                                    US"EXPN",
 272                                    US"EHLO or HELO",
 273                                    US"MAILAUTH",
 274                                    US"non-SMTP-start",
 275                                    US"NOTQUIT",
 276                                    US"QUIT",
 277                                    US"STARTTLS",
 278                                    US"VRFY",
 279                                    US"delivery",
 280                                    US"unknown"
 281                                  };
 282
 283 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 284                                    US"550",     /* MAIL */
 285                                    US"550",     /* PREDATA */
 286                                    US"550",     /* MIME */
 287                                    US"550",     /* DKIM */
 288                                    US"550",     /* DATA */
 289 #ifndef DISABLE_PRDR
 290                                    US"550",    /* RCPT PRDR */
 291 #endif
 292                                    US"0",       /* not SMTP; not relevant */
 293                                    US"503",     /* AUTH */
 294                                    US"550",     /* connect */
 295                                    US"458",     /* ETRN */
 296                                    US"550",     /* EXPN */
 297                                    US"550",     /* HELO/EHLO */
 298                                    US"0",       /* MAILAUTH; not relevant */
 299                                    US"0",       /* not SMTP; not relevant */
 300                                    US"0",       /* NOTQUIT; not relevant */
 301                                    US"0",       /* QUIT; not relevant */
 302                                    US"550",     /* STARTTLS */
 303                                    US"252",     /* VRFY */
 304                                    US"0",       /* delivery; not relevant */
 305                                    US"0"        /* unknown; not relevant */
 306                                  };
 307
 308 BOOL    active_local_from_check = FALSE;
 309 BOOL    active_local_sender_retain = FALSE;
 310 int     body_8bitmime = 0;
 311 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 312 address_item  *addr_duplicate  = NULL;
 313
 314 address_item address_defaults = {
 315   NULL,                 /* next */
 316   NULL,                 /* parent */
 317   NULL,                 /* first */
 318   NULL,                 /* dupof */
 319   NULL,                 /* start_router */
 320   NULL,                 /* router */
 321   NULL,                 /* transport */
 322   NULL,                 /* host_list */
 323   NULL,                 /* host_used */
 324   NULL,                 /* fallback_hosts */
 325   NULL,                 /* reply */
 326   NULL,                 /* retries */
 327   NULL,                 /* address */
 328   NULL,                 /* unique */
 329   NULL,                 /* cc_local_part */
 330   NULL,                 /* lc_local_part */
 331   NULL,                 /* local_part */
 332   NULL,                 /* prefix */
 333   NULL,                 /* suffix */
 334   NULL,                 /* domain */
 335   NULL,                 /* address_retry_key */
 336   NULL,                 /* domain_retry_key */
 337   NULL,                 /* current_dir */
 338   NULL,                 /* home_dir */
 339   NULL,                 /* message */
 340   NULL,                 /* user_message */
 341   NULL,                 /* onetime_parent */
 342   NULL,                 /* pipe_expandn */
 343   NULL,                 /* return_filename */
 344   NULL,                 /* self_hostname */
 345   NULL,                 /* shadow_message */
 346   #ifdef SUPPORT_TLS
 347   NULL,                 /* cipher */
 348   NULL,                 /* ourcert */
 349   NULL,                 /* peercert */
 350   NULL,                 /* peerdn */
 351   OCSP_NOT_REQ,         /* ocsp */
 352   #endif
 353   NULL,                 /* authenticator */
 354   NULL,                 /* auth_id */
 355   NULL,                 /* auth_sndr */
 356   #ifdef EXPERIMENTAL_DSN
 357   NULL,                 /* dsn_orcpt */
 358   0,                    /* dsn_flags */
 359   0,                    /* dsn_aware */
 360   #endif
 361   (uid_t)(-1),          /* uid */
 362   (gid_t)(-1),          /* gid */
 363   0,                    /* flags */
 364   { 0 },                /* domain_cache - any larger array should be zeroed */
 365   { 0 },                /* localpart_cache - ditto */
 366   -1,                   /* mode */
 367   0,                    /* more_errno */
 368   ERRNO_UNKNOWNERROR,   /* basic_errno */
 369   0,                    /* child_count */
 370   -1,                   /* return_file */
 371   SPECIAL_NONE,         /* special_action */
 372   DEFER,                /* transport_return */
 373   {                     /* fields that are propagated to children */
 374     NULL,               /* address_data */
 375     NULL,               /* domain_data */
 376     NULL,               /* localpart_data */
 377     NULL,               /* errors_address */
 378     NULL,               /* extra_headers */
 379     NULL,               /* remove_headers */
 380 #ifdef EXPERIMENTAL_SRS
 381     NULL,               /* srs_sender */
 382 #endif
 383   }
 384 };
 385
 386 uschar *address_file           = NULL;
 387 uschar *address_pipe           = NULL;
 388 BOOL    address_test_mode      = FALSE;
 389 tree_node *addresslist_anchor  = NULL;
 390 int     addresslist_count      = 0;
 391 gid_t  *admin_groups           = NULL;
 392 BOOL    admin_user             = FALSE;
 393 BOOL    allow_auth_unadvertised= FALSE;
 394 BOOL    allow_domain_literals  = FALSE;
 395 BOOL    allow_mx_to_ip         = FALSE;
 396 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 397 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 398 BOOL    allow_utf8_domains     = FALSE;
 399 uschar *authenticated_fail_id  = NULL;
 400 uschar *authenticated_id       = NULL;
 401 uschar *authenticated_sender   = NULL;
 402 BOOL    authentication_failed  = FALSE;
 403 auth_instance  *auths          = NULL;
 404 uschar *auth_advertise_hosts   = US"*";
 405 auth_instance auth_defaults    = {
 406     NULL,                      /* chain pointer */
 407     NULL,                      /* name */
 408     NULL,                      /* info */
 409     NULL,                      /* private options block pointer */
 410     NULL,                      /* driver_name */
 411     NULL,                      /* advertise_condition */
 412     NULL,                      /* client_condition */
 413     NULL,                      /* public_name */
 414     NULL,                      /* set_id */
 415     NULL,                      /* set_client_id */
 416     NULL,                      /* server_mail_auth_condition */
 417     NULL,                      /* server_debug_string */
 418     NULL,                      /* server_condition */
 419     FALSE,                     /* client */
 420     FALSE,                     /* server */
 421     FALSE                      /* advertised */
 422 };
 423
 424 uschar *auth_defer_msg         = US"reason not recorded";
 425 uschar *auth_defer_user_msg    = US"";
 426 uschar *auth_vars[AUTH_VARS];
 427 int     auto_thaw              = 0;
 428 #ifdef WITH_CONTENT_SCAN
 429 BOOL    av_failed              = FALSE;
 430 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 431 #endif
 432
 433 BOOL    background_daemon      = TRUE;
 434
 435 #if BASE_62 == 62
 436 uschar *base62_chars=
 437     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 438 #else
 439 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 440 #endif
 441
 442 uschar *bi_command             = NULL;
 443 uschar *big_buffer             = NULL;
 444 int     big_buffer_size        = BIG_BUFFER_SIZE;
 445 #ifdef EXPERIMENTAL_BRIGHTMAIL
 446 uschar *bmi_alt_location       = NULL;
 447 uschar *bmi_base64_tracker_verdict = NULL;
 448 uschar *bmi_base64_verdict     = NULL;
 449 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 450 int     bmi_deliver            = 1;
 451 int     bmi_run                = 0;
 452 uschar *bmi_verdicts           = NULL;
 453 #endif
 454 int     body_linecount         = 0;
 455 int     body_zerocount         = 0;
 456 uschar *bounce_message_file    = NULL;
 457 uschar *bounce_message_text    = NULL;
 458 uschar *bounce_recipient       = NULL;
 459 BOOL    bounce_return_body     = TRUE;
 460 BOOL    bounce_return_message  = TRUE;
 461 int     bounce_return_size_limit = 100*1024;
 462 uschar *bounce_sender_authentication = NULL;
 463 int     bsmtp_transaction_linecount = 0;
 464
 465 int     callout_cache_domain_positive_expire = 7*24*60*60;
 466 int     callout_cache_domain_negative_expire = 3*60*60;
 467 int     callout_cache_positive_expire = 24*60*60;
 468 int     callout_cache_negative_expire = 2*60*60;
 469 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 470 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 471 int     check_log_inodes       = 0;
 472 int     check_log_space        = 0;
 473 BOOL    check_rfc2047_length   = TRUE;
 474 int     check_spool_inodes     = 0;
 475 int     check_spool_space      = 0;
 476 uschar  *client_authenticator  = NULL;
 477 uschar  *client_authenticated_id = NULL;
 478 uschar  *client_authenticated_sender = NULL;
 479 int     clmacro_count          = 0;
 480 uschar *clmacros[MAX_CLMACROS];
 481 BOOL    config_changed         = FALSE;
 482 FILE   *config_file            = NULL;
 483 uschar *config_filename        = NULL;
 484 int     config_lineno          = 0;
 485 #ifdef CONFIGURE_GROUP
 486 gid_t   config_gid             = CONFIGURE_GROUP;
 487 #endif
 488 uschar *config_main_filelist   = US CONFIGURE_FILE
 489                          "\0<-----------Space to patch configure_filename->";
 490 uschar *config_main_filename   = NULL;
 491
 492 #ifdef CONFIGURE_OWNER
 493 uid_t   config_uid             = CONFIGURE_OWNER;
 494 #endif
 495
 496 int     connection_max_messages= -1;
 497 uschar *continue_hostname      = NULL;
 498 uschar *continue_host_address  = NULL;
 499 BOOL    continue_more          = FALSE;
 500 int     continue_sequence      = 1;
 501 uschar *continue_transport     = NULL;
 502
 503 uschar *csa_status             = NULL;
 504 BOOL    cutthrough_delivery    = FALSE;
 505 int     cutthrough_fd          = -1;
 506
 507 BOOL    daemon_listen          = FALSE;
 508 uschar *daemon_smtp_port       = US"smtp";
 509 int     daemon_startup_retries = 9;
 510 int     daemon_startup_sleep   = 30;
 511
 512 #ifdef EXPERIMENTAL_DCC
 513 BOOL    dcc_direct_add_header  = FALSE;
 514 uschar *dcc_header             = NULL;
 515 uschar *dcc_result             = NULL;
 516 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 517 uschar *dccifd_options         = US"header";
 518 #endif
 519
 520 BOOL    debug_daemon           = FALSE;
 521 int     debug_fd               = -1;
 522 FILE   *debug_file             = NULL;
 523 bit_table debug_options[]      = {
 524   { US"acl",            D_acl },
 525   { US"all",            D_all },
 526   { US"auth",           D_auth },
 527   { US"deliver",        D_deliver },
 528   { US"dns",            D_dns },
 529   { US"dnsbl",          D_dnsbl },
 530   { US"exec",           D_exec },
 531   { US"expand",         D_expand },
 532   { US"filter",         D_filter },
 533   { US"hints_lookup",   D_hints_lookup },
 534   { US"host_lookup",    D_host_lookup },
 535   { US"ident",          D_ident },
 536   { US"interface",      D_interface },
 537   { US"lists",          D_lists },
 538   { US"load",           D_load },
 539   { US"local_scan",     D_local_scan },
 540   { US"lookup",         D_lookup },
 541   { US"memory",         D_memory },
 542   { US"pid",            D_pid },
 543   { US"process_info",   D_process_info },
 544   { US"queue_run",      D_queue_run },
 545   { US"receive",        D_receive },
 546   { US"resolver",       D_resolver },
 547   { US"retry",          D_retry },
 548   { US"rewrite",        D_rewrite },
 549   { US"route",          D_route },
 550   { US"timestamp",      D_timestamp },
 551   { US"tls",            D_tls },
 552   { US"transport",      D_transport },
 553   { US"uid",            D_uid },
 554   { US"verify",         D_verify }
 555 };
 556 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 557 unsigned int debug_selector    = 0;
 558 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 559 uschar *delay_warning_condition=
 560   US"${if or {"
 561             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 562             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 563             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 564             "} {no}{yes}}";
 565 BOOL    delivery_date_remove   = TRUE;
 566 uschar *deliver_address_data   = NULL;
 567 int     deliver_datafile       = -1;
 568 uschar *deliver_domain         = NULL;
 569 uschar *deliver_domain_data    = NULL;
 570 uschar *deliver_domain_orig    = NULL;
 571 uschar *deliver_domain_parent  = NULL;
 572 BOOL    deliver_drop_privilege = FALSE;
 573 BOOL    deliver_firsttime      = FALSE;
 574 BOOL    deliver_force          = FALSE;
 575 BOOL    deliver_freeze         = FALSE;
 576 time_t  deliver_frozen_at      = 0;
 577 uschar *deliver_home           = NULL;
 578 uschar *deliver_host           = NULL;
 579 uschar *deliver_host_address   = NULL;
 580 int     deliver_host_port      = 0;
 581 uschar *deliver_in_buffer      = NULL;
 582 ino_t   deliver_inode          = 0;
 583 uschar *deliver_localpart      = NULL;
 584 uschar *deliver_localpart_data = NULL;
 585 uschar *deliver_localpart_orig = NULL;
 586 uschar *deliver_localpart_parent = NULL;
 587 uschar *deliver_localpart_prefix = NULL;
 588 uschar *deliver_localpart_suffix = NULL;
 589 BOOL    deliver_force_thaw     = FALSE;
 590 BOOL    deliver_manual_thaw    = FALSE;
 591 uschar *deliver_out_buffer     = NULL;
 592 int     deliver_queue_load_max = -1;
 593 address_item  *deliver_recipients = NULL;
 594 uschar *deliver_selectstring   = NULL;
 595 BOOL    deliver_selectstring_regex = FALSE;
 596 uschar *deliver_selectstring_sender = NULL;
 597 BOOL    deliver_selectstring_sender_regex = FALSE;
 598 #ifdef WITH_OLD_DEMIME
 599 int     demime_errorlevel      = 0;
 600 int     demime_ok              = 0;
 601 uschar *demime_reason          = NULL;
 602 #endif
 603 BOOL    disable_callout_flush  = FALSE;
 604 BOOL    disable_delay_flush    = FALSE;
 605 #ifdef ENABLE_DISABLE_FSYNC
 606 BOOL    disable_fsync          = FALSE;
 607 #endif
 608 BOOL    disable_ipv6           = FALSE;
 609 BOOL    disable_logging        = FALSE;
 610
 611 #ifndef DISABLE_DKIM
 612 uschar *dkim_cur_signer          = NULL;
 613 uschar *dkim_signers             = NULL;
 614 uschar *dkim_signing_domain      = NULL;
 615 uschar *dkim_signing_selector    = NULL;
 616 uschar *dkim_verify_signers      = US"$dkim_signers";
 617 BOOL    dkim_collect_input       = FALSE;
 618 BOOL    dkim_disable_verify      = FALSE;
 619 #endif
 620 #ifdef EXPERIMENTAL_DMARC
 621 BOOL    dmarc_has_been_checked  = FALSE;
 622 uschar *dmarc_ar_header         = NULL;
 623 uschar *dmarc_domain_policy     = NULL;
 624 uschar *dmarc_forensic_sender   = NULL;
 625 uschar *dmarc_history_file      = NULL;
 626 uschar *dmarc_status            = NULL;
 627 uschar *dmarc_status_text       = NULL;
 628 uschar *dmarc_tld_file          = NULL;
 629 uschar *dmarc_used_domain       = NULL;
 630 BOOL    dmarc_disable_verify    = FALSE;
 631 BOOL    dmarc_enable_forensic   = FALSE;
 632 #endif
 633
 634 uschar *dns_again_means_nonexist = NULL;
 635 int     dns_csa_search_limit   = 5;
 636 BOOL    dns_csa_use_reverse    = TRUE;
 637 uschar *dns_ipv4_lookup        = NULL;
 638 int     dns_retrans            = 0;
 639 int     dns_retry              = 0;
 640 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 641 int     dns_use_edns0          = -1; /* <0 = not coerced */
 642 uschar *dnslist_domain         = NULL;
 643 uschar *dnslist_matched        = NULL;
 644 uschar *dnslist_text           = NULL;
 645 uschar *dnslist_value          = NULL;
 646 tree_node *domainlist_anchor   = NULL;
 647 int     domainlist_count       = 0;
 648 BOOL    dont_deliver           = FALSE;
 649 BOOL    dot_ends               = TRUE;
 650 BOOL    drop_cr                = FALSE;         /* No longer used */
 651 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 652
 653 BOOL    enable_dollar_recipients = FALSE;
 654 BOOL    envelope_to_remove     = TRUE;
 655 int     errno_quota            = ERRNO_QUOTA;
 656 uschar *errors_copy            = NULL;
 657 int     error_handling         = ERRORS_SENDER;
 658 uschar *errors_reply_to        = NULL;
 659 int     errors_sender_rc       = EXIT_FAILURE;
 660
 661 gid_t   exim_gid               = EXIM_GID;
 662 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 663 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 664                         "\0<---------------Space to patch exim_path->";
 665 uid_t   exim_uid               = EXIM_UID;
 666 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 667 int     expand_forbid          = 0;
 668 int     expand_nlength[EXPAND_MAXN+1];
 669 int     expand_nmax            = -1;
 670 uschar *expand_nstring[EXPAND_MAXN+1];
 671 BOOL    expand_string_forcedfail = FALSE;
 672 uschar *expand_string_message;
 673 BOOL    extract_addresses_remove_arguments = TRUE;
 674 uschar *extra_local_interfaces = NULL;
 675
 676 int     fake_response          = OK;
 677 uschar *fake_response_text     = US"Your message has been rejected but is "
 678                                    "being kept for evaluation.\nIf it was a "
 679                                    "legitimate message, it may still be "
 680                                    "delivered to the target recipient(s).";
 681 int     filter_n[FILTER_VARIABLE_COUNT];
 682 BOOL    filter_running         = FALSE;
 683 int     filter_sn[FILTER_VARIABLE_COUNT];
 684 int     filter_test            = FTEST_NONE;
 685 uschar *filter_test_sfile      = NULL;
 686 uschar *filter_test_ufile      = NULL;
 687 uschar *filter_thisaddress     = NULL;
 688 int     finduser_retries       = 0;
 689 #ifdef WITH_OLD_DEMIME
 690 uschar *found_extension        = NULL;
 691 #endif
 692 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 693 uschar *freeze_tell            = NULL;
 694 uschar *freeze_tell_config     = NULL;
 695 uschar *fudged_queue_times     = US"";
 696
 697 uschar *gecos_name             = NULL;
 698 uschar *gecos_pattern          = NULL;
 699 rewrite_rule  *global_rewrite_rules = NULL;
 700
 701 uschar *headers_charset        = US HEADERS_CHARSET;
 702 int     header_insert_maxlen   = 64 * 1024;
 703 header_line  *header_last      = NULL;
 704 header_line  *header_list      = NULL;
 705 int     header_maxsize         = HEADER_MAXSIZE;
 706 int     header_line_maxsize    = 0;
 707
 708 header_name header_names[] = {
 709   { US"bcc",            3, TRUE,  htype_bcc },
 710   { US"cc",             2, TRUE,  htype_cc },
 711   { US"date",           4, TRUE,  htype_date },
 712   { US"delivery-date", 13, FALSE, htype_delivery_date },
 713   { US"envelope-to",   11, FALSE, htype_envelope_to },
 714   { US"from",           4, TRUE,  htype_from },
 715   { US"message-id",    10, TRUE,  htype_id },
 716   { US"received",       8, FALSE, htype_received },
 717   { US"reply-to",       8, FALSE, htype_reply_to },
 718   { US"return-path",   11, FALSE, htype_return_path },
 719   { US"sender",         6, TRUE,  htype_sender },
 720   { US"subject",        7, FALSE, htype_subject },
 721   { US"to",             2, TRUE,  htype_to }
 722 };
 723
 724 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 725
 726 BOOL    header_rewritten       = FALSE;
 727 uschar *helo_accept_junk_hosts = NULL;
 728 uschar *helo_allow_chars       = US"";
 729 uschar *helo_lookup_domains    = US"@ : @[]";
 730 uschar *helo_try_verify_hosts  = NULL;
 731 BOOL    helo_verified          = FALSE;
 732 BOOL    helo_verify_failed     = FALSE;
 733 uschar *helo_verify_hosts      = NULL;
 734 const uschar *hex_digits       = CUS"0123456789abcdef";
 735 uschar *hold_domains           = NULL;
 736 BOOL    host_checking          = FALSE;
 737 BOOL    host_checking_callout  = FALSE;
 738 uschar *host_data              = NULL;
 739 BOOL    host_find_failed_syntax= FALSE;
 740 uschar *host_lookup            = NULL;
 741 BOOL    host_lookup_deferred   = FALSE;
 742 BOOL    host_lookup_failed     = FALSE;
 743 uschar *host_lookup_order      = US"bydns:byaddr";
 744 uschar *host_lookup_msg        = US"";
 745 int     host_number            = 0;
 746 uschar *host_number_string     = NULL;
 747 uschar *host_reject_connection = NULL;
 748 tree_node *hostlist_anchor     = NULL;
 749 int     hostlist_count         = 0;
 750 uschar *hosts_treat_as_local   = NULL;
 751 uschar *hosts_connection_nolog = NULL;
 752
 753 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 754 BOOL    ignore_fromline_local  = FALSE;
 755 uschar *ignore_fromline_hosts  = NULL;
 756 BOOL    inetd_wait_mode        = FALSE;
 757 int     inetd_wait_timeout     = -1;
 758 uschar *interface_address      = NULL;
 759 int     interface_port         = -1;
 760 BOOL    is_inetd               = FALSE;
 761 uschar *iterate_item           = NULL;
 762
 763 int     journal_fd             = -1;
 764
 765 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 766
 767 uschar *eldap_dn               = NULL;
 768 int     load_average           = -2;
 769 BOOL    local_error_message    = FALSE;
 770 BOOL    local_from_check       = TRUE;
 771 uschar *local_from_prefix      = NULL;
 772 uschar *local_from_suffix      = NULL;
 773
 774 #if HAVE_IPV6
 775 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 776 #else
 777 uschar *local_interfaces       = US"0.0.0.0";
 778 #endif
 779
 780 uschar *local_scan_data        = NULL;
 781 int     local_scan_timeout     = 5*60;
 782 BOOL    local_sender_retain    = FALSE;
 783 gid_t   local_user_gid         = (gid_t)(-1);
 784 uid_t   local_user_uid         = (uid_t)(-1);
 785
 786 tree_node *localpartlist_anchor= NULL;
 787 int     localpartlist_count    = 0;
 788 uschar *log_buffer             = NULL;
 789 unsigned int log_extra_selector = LX_default;
 790 uschar *log_file_path          = US LOG_FILE_PATH
 791                            "\0<--------------Space to patch log_file_path->";
 792
 793 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 794 are the ones that get put into log_write_selector. They can be used in calls to
 795 log_write() to test for the bit. The options with LX_xxx identifiers have
 796 values greater than 0x80000000 and are put into log_extra_selector (without the
 797 top bit). They are never used in calls to log_write(), but are tested
 798 independently. This separation became necessary when the number of log
 799 selectors was getting close to filling a 32-bit word. */
 800
 801 /* Note that this list must be in alphabetical order. */
 802
 803 bit_table log_options[]        = {
 804   { US"8bitmime",                     LX_8bitmime },
 805   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 806   { US"address_rewrite",              L_address_rewrite },
 807   { US"all",                          L_all },
 808   { US"all_parents",                  L_all_parents },
 809   { US"arguments",                    LX_arguments },
 810   { US"connection_reject",            L_connection_reject },
 811   { US"delay_delivery",               L_delay_delivery },
 812   { US"deliver_time",                 LX_deliver_time },
 813   { US"delivery_size",                LX_delivery_size },
 814   { US"dnslist_defer",                L_dnslist_defer },
 815   { US"etrn",                         L_etrn },
 816   { US"host_lookup_failed",           L_host_lookup_failed },
 817   { US"ident_timeout",                LX_ident_timeout },
 818   { US"incoming_interface",           LX_incoming_interface },
 819   { US"incoming_port",                LX_incoming_port },
 820   { US"lost_incoming_connection",     L_lost_incoming_connection },
 821   { US"outgoing_port",                LX_outgoing_port },
 822   { US"pid",                          LX_pid },
 823 #ifdef EXPERIMENTAL_PROXY
 824   { US"proxy",                        LX_proxy },
 825 #endif
 826   { US"queue_run",                    L_queue_run },
 827   { US"queue_time",                   LX_queue_time },
 828   { US"queue_time_overall",           LX_queue_time_overall },
 829   { US"received_recipients",          LX_received_recipients },
 830   { US"received_sender",              LX_received_sender },
 831   { US"rejected_header",              LX_rejected_header },
 832   { US"rejected_headers",             LX_rejected_header },
 833   { US"retry_defer",                  L_retry_defer },
 834   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 835   { US"sender_on_delivery",           LX_sender_on_delivery },
 836   { US"sender_verify_fail",           LX_sender_verify_fail },
 837   { US"size_reject",                  L_size_reject },
 838   { US"skip_delivery",                L_skip_delivery },
 839   { US"smtp_confirmation",            LX_smtp_confirmation },
 840   { US"smtp_connection",              L_smtp_connection },
 841   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 842   { US"smtp_mailauth",                LX_smtp_mailauth },
 843   { US"smtp_no_mail",                 LX_smtp_no_mail },
 844   { US"smtp_protocol_error",          L_smtp_protocol_error },
 845   { US"smtp_syntax_error",            L_smtp_syntax_error },
 846   { US"subject",                      LX_subject },
 847   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 848   { US"tls_cipher",                   LX_tls_cipher },
 849   { US"tls_peerdn",                   LX_tls_peerdn },
 850   { US"tls_sni",                      LX_tls_sni },
 851   { US"unknown_in_list",              LX_unknown_in_list }
 852 };
 853
 854 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 855 int     log_reject_target      = 0;
 856 uschar *log_selector_string    = NULL;
 857 FILE   *log_stderr             = NULL;
 858 BOOL    log_testing_mode       = FALSE;
 859 BOOL    log_timezone           = FALSE;
 860 unsigned int log_write_selector= L_default;
 861 uschar *login_sender_address   = NULL;
 862 uschar *lookup_dnssec_authenticated = NULL;
 863 int     lookup_open_max        = 25;
 864 uschar *lookup_value           = NULL;
 865
 866 macro_item  *macros            = NULL;
 867 uschar *mailstore_basename     = NULL;
 868 #ifdef WITH_CONTENT_SCAN
 869 uschar *malware_name           = NULL;  /* Virus Name */
 870 #endif
 871 int     max_received_linelength= 0;
 872 int     max_username_length    = 0;
 873 int     message_age            = 0;
 874 uschar *message_body           = NULL;
 875 uschar *message_body_end       = NULL;
 876 BOOL    message_body_newlines  = FALSE;
 877 int     message_body_size      = 0;
 878 int     message_body_visible   = 500;
 879 int     message_ended          = END_NOTSTARTED;
 880 uschar *message_headers        = NULL;
 881 uschar *message_id;
 882 uschar *message_id_domain      = NULL;
 883 uschar *message_id_text        = NULL;
 884 struct timeval message_id_tv   = { 0, 0 };
 885 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 886 uschar *message_id_external;
 887 int     message_linecount      = 0;
 888 BOOL    message_logs           = TRUE;
 889 int     message_size           = 0;
 890 uschar *message_size_limit     = US"50M";
 891 uschar  message_subdir[2]      = { 0, 0 };
 892 uschar *message_reference      = NULL;
 893
 894 /* MIME ACL expandables */
 895 #ifdef WITH_CONTENT_SCAN
 896 int     mime_anomaly_level     = 0;
 897 const uschar *mime_anomaly_text      = NULL;
 898 uschar *mime_boundary          = NULL;
 899 uschar *mime_charset           = NULL;
 900 uschar *mime_content_description = NULL;
 901 uschar *mime_content_disposition = NULL;
 902 uschar *mime_content_id        = NULL;
 903 unsigned int mime_content_size = 0;
 904 uschar *mime_content_transfer_encoding = NULL;
 905 uschar *mime_content_type      = NULL;
 906 uschar *mime_decoded_filename  = NULL;
 907 uschar *mime_filename          = NULL;
 908 int     mime_is_multipart      = 0;
 909 int     mime_is_coverletter    = 0;
 910 int     mime_is_rfc822         = 0;
 911 int     mime_part_count        = -1;
 912 #endif
 913
 914 BOOL    mua_wrapper            = FALSE;
 915
 916 uid_t  *never_users            = NULL;
 917 #ifdef WITH_CONTENT_SCAN
 918 BOOL    no_mbox_unspool        = FALSE;
 919 #endif
 920 BOOL    no_multiline_responses = FALSE;
 921
 922 uid_t   original_euid;
 923 gid_t   originator_gid;
 924 uschar *originator_login       = NULL;
 925 uschar *originator_name        = NULL;
 926 uid_t   originator_uid;
 927 uschar *override_local_interfaces = NULL;
 928 uschar *override_pid_file_path = NULL;
 929
 930 BOOL    parse_allow_group      = FALSE;
 931 BOOL    parse_found_group      = FALSE;
 932 uschar *percent_hack_domains   = NULL;
 933 uschar *pid_file_path          = US PID_FILE_PATH
 934                            "\0<--------------Space to patch pid_file_path->";
 935 BOOL    pipelining_enable      = TRUE;
 936 uschar *pipelining_advertise_hosts = US"*";
 937 BOOL    preserve_message_logs  = FALSE;
 938 uschar *primary_hostname       = NULL;
 939 BOOL    print_topbitchars      = FALSE;
 940 uschar  process_info[PROCESS_INFO_SIZE];
 941 int     process_info_len       = 0;
 942 uschar *process_log_path       = NULL;
 943 BOOL    prod_requires_admin    = TRUE;
 944
 945 #ifdef EXPERIMENTAL_PROXY
 946 uschar *proxy_host_address     = US"";
 947 int     proxy_host_port        = 0;
 948 uschar *proxy_required_hosts   = US"";
 949 BOOL    proxy_session          = FALSE;
 950 BOOL    proxy_session_failed   = FALSE;
 951 uschar *proxy_target_address   = US"";
 952 int     proxy_target_port      = 0;
 953 #endif
 954
 955 uschar *prvscheck_address      = NULL;
 956 uschar *prvscheck_keynum       = NULL;
 957 uschar *prvscheck_result       = NULL;
 958
 959
 960 uschar *qualify_domain_recipient = NULL;
 961 uschar *qualify_domain_sender  = NULL;
 962 BOOL    queue_2stage           = FALSE;
 963 uschar *queue_domains          = NULL;
 964 int     queue_interval         = -1;
 965 BOOL    queue_list_requires_admin = TRUE;
 966 BOOL    queue_only             = FALSE;
 967 uschar *queue_only_file        = NULL;
 968 int     queue_only_load        = -1;
 969 BOOL    queue_only_load_latch  = TRUE;
 970 BOOL    queue_only_override    = TRUE;
 971 BOOL    queue_only_policy      = FALSE;
 972 BOOL    queue_run_first_delivery = FALSE;
 973 BOOL    queue_run_force        = FALSE;
 974 BOOL    queue_run_in_order     = FALSE;
 975 BOOL    queue_run_local        = FALSE;
 976 int     queue_run_max          = 5;
 977 pid_t   queue_run_pid          = (pid_t)0;
 978 int     queue_run_pipe         = -1;
 979 BOOL    queue_running          = FALSE;
 980 BOOL    queue_smtp             = FALSE;
 981 uschar *queue_smtp_domains     = NULL;
 982
 983 unsigned int random_seed       = 0;
 984 tree_node *ratelimiters_cmd    = NULL;
 985 tree_node *ratelimiters_conn   = NULL;
 986 tree_node *ratelimiters_mail   = NULL;
 987 uschar *raw_active_hostname    = NULL;
 988 uschar *raw_sender             = NULL;
 989 uschar **raw_recipients        = NULL;
 990 int     raw_recipients_count   = 0;
 991
 992 int     rcpt_count             = 0;
 993 int     rcpt_fail_count        = 0;
 994 int     rcpt_defer_count       = 0;
 995 gid_t   real_gid;
 996 uid_t   real_uid;
 997 BOOL    really_exim            = TRUE;
 998 BOOL    receive_call_bombout   = FALSE;
 999 int     receive_linecount      = 0;
1000 int     receive_messagecount   = 0;
1001 int     receive_timeout        = 0;
1002 int     received_count         = 0;
1003 uschar *received_for           = NULL;
1004
1005 /*  This is the default text for Received headers generated by Exim. The
1006 date  will be automatically added on the end. */
1007
1008 uschar *received_header_text   = US
1009      "Received: "
1010      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1011      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1012      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1013      "by $primary_hostname "
1014      "${if def:received_protocol {with $received_protocol}} "
1015      #ifdef SUPPORT_TLS
1016      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1017      #endif
1018      "(Exim $version_number)\n\t"
1019      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1020      "id $message_exim_id"
1021      "${if def:received_for {\n\tfor $received_for}}"
1022      "\0<---------------Space to patch received_header_text->";
1023
1024 int     received_headers_max   = 30;
1025 uschar *received_protocol      = NULL;
1026 int     received_time          = 0;
1027 uschar *recipient_data         = NULL;
1028 uschar *recipient_unqualified_hosts = NULL;
1029 uschar *recipient_verify_failure = NULL;
1030 int     recipients_count       = 0;
1031 BOOL    recipients_discarded   = FALSE;
1032 recipient_item  *recipients_list = NULL;
1033 int     recipients_list_max    = 0;
1034 int     recipients_max         = 0;
1035 BOOL    recipients_max_reject  = FALSE;
1036 const pcre *regex_AUTH         = NULL;
1037 const pcre *regex_check_dns_names = NULL;
1038 const pcre *regex_From         = NULL;
1039 const pcre *regex_IGNOREQUOTA  = NULL;
1040 const pcre *regex_PIPELINING   = NULL;
1041 const pcre *regex_SIZE         = NULL;
1042 const pcre *regex_smtp_code    = NULL;
1043 const pcre *regex_ismsgid      = NULL;
1044 #ifdef WHITELIST_D_MACROS
1045 const pcre *regex_whitelisted_macro = NULL;
1046 #endif
1047 #ifdef WITH_CONTENT_SCAN
1048 uschar *regex_match_string     = NULL;
1049 #endif
1050 int     remote_delivery_count  = 0;
1051 int     remote_max_parallel    = 2;
1052 uschar *remote_sort_domains    = NULL;
1053 int     retry_data_expire      = 7*24*60*60;
1054 int     retry_interval_max     = 24*60*60;
1055 int     retry_maximum_timeout  = 0;        /* set from retry config */
1056 retry_config  *retries         = NULL;
1057 uschar *return_path            = NULL;
1058 BOOL    return_path_remove     = TRUE;
1059 int     rewrite_existflags     = 0;
1060 uschar *rfc1413_hosts          = US"*";
1061 int     rfc1413_query_timeout  = 5;
1062 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1063 uid_t   root_gid               = ROOT_GID;
1064 uid_t   root_uid               = ROOT_UID;
1065
1066 router_instance  *routers  = NULL;
1067 router_instance  router_defaults = {
1068     NULL,                      /* chain pointer */
1069     NULL,                      /* name */
1070     NULL,                      /* info */
1071     NULL,                      /* private options block pointer */
1072     NULL,                      /* driver name */
1073
1074     NULL,                      /* address_data */
1075 #ifdef EXPERIMENTAL_BRIGHTMAIL
1076     NULL,                      /* bmi_rule */
1077 #endif
1078     NULL,                      /* cannot_route_message */
1079     NULL,                      /* condition */
1080     NULL,                      /* current_directory */
1081     NULL,                      /* debug_string */
1082     NULL,                      /* domains */
1083     NULL,                      /* errors_to */
1084     NULL,                      /* expand_gid */
1085     NULL,                      /* expand_uid */
1086     NULL,                      /* expand_more */
1087     NULL,                      /* expand_unseen */
1088     NULL,                      /* extra_headers */
1089     NULL,                      /* fallback_hosts */
1090     NULL,                      /* home_directory */
1091     NULL,                      /* ignore_target_hosts */
1092     NULL,                      /* local_parts */
1093     NULL,                      /* pass_router_name */
1094     NULL,                      /* prefix */
1095     NULL,                      /* redirect_router_name */
1096     NULL,                      /* remove_headers */
1097     NULL,                      /* require_files */
1098     NULL,                      /* router_home_directory */
1099     US"freeze",                /* self */
1100     NULL,                      /* senders */
1101     NULL,                      /* suffix */
1102     NULL,                      /* translate_ip_address */
1103     NULL,                      /* transport_name */
1104
1105     TRUE,                      /* address_test */
1106 #ifdef EXPERIMENTAL_BRIGHTMAIL
1107     FALSE,                     /* bmi_deliver_alternate */
1108     FALSE,                     /* bmi_deliver_default */
1109     FALSE,                     /* bmi_dont_deliver */
1110 #endif
1111     TRUE,                      /* expn */
1112     FALSE,                     /* caseful_local_part */
1113     FALSE,                     /* check_local_user */
1114     FALSE,                     /* disable_logging */
1115     FALSE,                     /* fail_verify_recipient */
1116     FALSE,                     /* fail_verify_sender */
1117     FALSE,                     /* gid_set */
1118     FALSE,                     /* initgroups */
1119     TRUE_UNSET,                /* log_as_local */
1120     TRUE,                      /* more */
1121     FALSE,                     /* pass_on_timeout */
1122     FALSE,                     /* prefix_optional */
1123     TRUE,                      /* repeat_use */
1124     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1125     FALSE,                     /* same_domain_copy_routing */
1126     FALSE,                     /* self_rewrite */
1127     FALSE,                     /* suffix_optional */
1128     FALSE,                     /* verify_only */
1129     TRUE,                      /* verify_recipient */
1130     TRUE,                      /* verify_sender */
1131     FALSE,                     /* uid_set */
1132     FALSE,                     /* unseen */
1133 #ifdef EXPERIMENTAL_DSN
1134     FALSE,                     /* dsn_lasthop */
1135 #endif
1136
1137     self_freeze,               /* self_code */
1138     (uid_t)(-1),               /* uid */
1139     (gid_t)(-1),               /* gid */
1140
1141     NULL,                      /* fallback_hostlist */
1142     NULL,                      /* transport instance */
1143     NULL,                      /* pass_router */
1144     NULL                       /* redirect_router */
1145 };
1146
1147 uschar *router_name            = NULL;
1148
1149 ip_address_item *running_interfaces = NULL;
1150 BOOL    running_in_test_harness = FALSE;
1151
1152 /* This is a weird one. The following string gets patched in the binary by the
1153 script that sets up a copy of Exim for running in the test harness. It seems
1154 that compilers are now clever, and share constant strings if they can.
1155 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1156 make use of the end of this string in order to save space. So the patching then
1157 wrecks this. We defeat this optimization by adding some additional characters
1158 onto the end of the string. */
1159
1160 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1161
1162 int     runrc                  = 0;
1163
1164 uschar *search_error_message   = NULL;
1165 BOOL    search_find_defer      = FALSE;
1166 uschar *self_hostname          = NULL;
1167 uschar *sender_address         = NULL;
1168 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1169 uschar *sender_address_data    = NULL;
1170 BOOL    sender_address_forced  = FALSE;
1171 uschar *sender_address_unrewritten = NULL;
1172 uschar *sender_data            = NULL;
1173 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1174 uschar *sender_fullhost        = NULL;
1175 uschar *sender_helo_name       = NULL;
1176 uschar **sender_host_aliases   = &no_aliases;
1177 uschar *sender_host_address    = NULL;
1178 uschar *sender_host_authenticated = NULL;
1179 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1180 BOOL    sender_host_dnssec     = FALSE;
1181 uschar *sender_host_name       = NULL;
1182 int     sender_host_port       = 0;
1183 BOOL    sender_host_notsocket  = FALSE;
1184 BOOL    sender_host_unknown    = FALSE;
1185 uschar *sender_ident           = NULL;
1186 BOOL    sender_local           = FALSE;
1187 BOOL    sender_name_forced     = FALSE;
1188 uschar *sender_rate            = NULL;
1189 uschar *sender_rate_limit      = NULL;
1190 uschar *sender_rate_period     = NULL;
1191 uschar *sender_rcvhost         = NULL;
1192 BOOL    sender_set_untrusted   = FALSE;
1193 uschar *sender_unqualified_hosts = NULL;
1194 uschar *sender_verify_failure = NULL;
1195 address_item *sender_verified_list  = NULL;
1196 address_item *sender_verified_failed = NULL;
1197 int     sender_verified_rc     = -1;
1198 BOOL    sender_verified_responded = FALSE;
1199 uschar *sending_ip_address     = NULL;
1200 int     sending_port           = -1;
1201 SIGNAL_BOOL sigalrm_seen       = FALSE;
1202 uschar **sighup_argv           = NULL;
1203 int     smtp_accept_count      = 0;
1204 BOOL    smtp_accept_keepalive  = TRUE;
1205 int     smtp_accept_max        = 20;
1206 int     smtp_accept_max_nonmail= 10;
1207 uschar *smtp_accept_max_nonmail_hosts = US"*";
1208 int     smtp_accept_max_per_connection = 1000;
1209 uschar *smtp_accept_max_per_host = NULL;
1210 int     smtp_accept_queue      = 0;
1211 int     smtp_accept_queue_per_connection = 10;
1212 int     smtp_accept_reserve    = 0;
1213 uschar *smtp_active_hostname   = NULL;
1214 BOOL    smtp_authenticated     = FALSE;
1215 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1216                              "Exim $version_number $tod_full"
1217                              "\0<---------------Space to patch smtp_banner->";
1218 BOOL    smtp_batched_input     = FALSE;
1219 BOOL    smtp_check_spool_space = TRUE;
1220 int     smtp_ch_index          = 0;
1221 uschar *smtp_cmd_argument      = NULL;
1222 uschar *smtp_cmd_buffer        = NULL;
1223 time_t  smtp_connection_start  = 0;
1224 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1225 int     smtp_connect_backlog   = 20;
1226 double  smtp_delay_mail        = 0.0;
1227 double  smtp_delay_rcpt        = 0.0;
1228 BOOL    smtp_enforce_sync      = TRUE;
1229 FILE   *smtp_in                = NULL;
1230 BOOL    smtp_input             = FALSE;
1231 int     smtp_load_reserve      = -1;
1232 int     smtp_mailcmd_count     = 0;
1233 FILE   *smtp_out               = NULL;
1234 uschar *smtp_etrn_command      = NULL;
1235 BOOL    smtp_etrn_serialize    = TRUE;
1236 int     smtp_max_synprot_errors= 3;
1237 int     smtp_max_unknown_commands = 3;
1238 uschar *smtp_notquit_reason    = NULL;
1239 uschar *smtp_ratelimit_hosts   = NULL;
1240 uschar *smtp_ratelimit_mail    = NULL;
1241 uschar *smtp_ratelimit_rcpt    = NULL;
1242 uschar *smtp_read_error        = US"";
1243 int     smtp_receive_timeout   = 5*60;
1244 uschar *smtp_reserve_hosts     = NULL;
1245 BOOL    smtp_return_error_details = FALSE;
1246 int     smtp_rlm_base          = 0;
1247 double  smtp_rlm_factor        = 0.0;
1248 int     smtp_rlm_limit         = 0;
1249 int     smtp_rlm_threshold     = INT_MAX;
1250 int     smtp_rlr_base          = 0;
1251 double  smtp_rlr_factor        = 0.0;
1252 int     smtp_rlr_limit         = 0;
1253 int     smtp_rlr_threshold     = INT_MAX;
1254 BOOL    smtp_use_pipelining    = FALSE;
1255 BOOL    smtp_use_size          = FALSE;
1256
1257 #ifdef WITH_CONTENT_SCAN
1258 uschar *spamd_address          = US"127.0.0.1 783";
1259 uschar *spam_bar               = NULL;
1260 uschar *spam_report            = NULL;
1261 uschar *spam_score             = NULL;
1262 uschar *spam_score_int         = NULL;
1263 #endif
1264 #ifdef EXPERIMENTAL_SPF
1265 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1266 uschar *spf_header_comment     = NULL;
1267 uschar *spf_received           = NULL;
1268 uschar *spf_result             = NULL;
1269 uschar *spf_smtp_comment       = NULL;
1270 #endif
1271
1272 BOOL    split_spool_directory  = FALSE;
1273 uschar *spool_directory        = US SPOOL_DIRECTORY
1274                            "\0<--------------Space to patch spool_directory->";
1275 #ifdef EXPERIMENTAL_SRS
1276 uschar *srs_config             = NULL;
1277 uschar *srs_db_address         = NULL;
1278 uschar *srs_db_key             = NULL;
1279 int     srs_hashlength         = 6;
1280 int     srs_hashmin            = -1;
1281 int     srs_maxage             = 31;
1282 uschar *srs_orig_recipient     = NULL;
1283 uschar *srs_orig_sender        = NULL;
1284 uschar *srs_recipient          = NULL;
1285 uschar *srs_secrets            = NULL;
1286 uschar *srs_status             = NULL;
1287 BOOL    srs_usehash            = TRUE;
1288 BOOL    srs_usetimestamp       = TRUE;
1289 #endif
1290 BOOL    strict_acl_vars        = FALSE;
1291 int     string_datestamp_offset= -1;
1292 int     string_datestamp_length= 0;
1293 int     string_datestamp_type  = -1;
1294 BOOL    strip_excess_angle_brackets = FALSE;
1295 BOOL    strip_trailing_dot     = FALSE;
1296 uschar *submission_domain      = NULL;
1297 BOOL    submission_mode        = FALSE;
1298 uschar *submission_name        = NULL;
1299 BOOL    suppress_local_fixups  = FALSE;
1300 BOOL    suppress_local_fixups_default = FALSE;
1301 BOOL    synchronous_delivery   = FALSE;
1302 BOOL    syslog_duplication     = TRUE;
1303 int     syslog_facility        = LOG_MAIL;
1304 uschar *syslog_processname     = US"exim";
1305 BOOL    syslog_timestamp       = TRUE;
1306 uschar *system_filter          = NULL;
1307
1308 uschar *system_filter_directory_transport = NULL;
1309 uschar *system_filter_file_transport = NULL;
1310 uschar *system_filter_pipe_transport = NULL;
1311 uschar *system_filter_reply_transport = NULL;
1312
1313 gid_t   system_filter_gid      = 0;
1314 BOOL    system_filter_gid_set  = FALSE;
1315 uid_t   system_filter_uid      = (uid_t)-1;
1316 BOOL    system_filter_uid_set  = FALSE;
1317 BOOL    system_filtering       = FALSE;
1318
1319 BOOL    tcp_nodelay            = TRUE;
1320 #ifdef USE_TCP_WRAPPERS
1321 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1322 #endif
1323 int     test_harness_load_avg  = 0;
1324 int     thismessage_size_limit = 0;
1325 int     timeout_frozen_after   = 0;
1326 BOOL    timestamps_utc         = FALSE;
1327
1328 #ifdef EXPERIMENTAL_TPDA
1329 int     tpda_defer_errno        = 0;
1330 uschar *tpda_event              = NULL;
1331 uschar *tpda_data               = NULL;
1332 #endif
1333
1334 transport_instance  *transports = NULL;
1335
1336 transport_instance  transport_defaults = {
1337     NULL,                     /* chain pointer */
1338     NULL,                     /* name */
1339     NULL,                     /* info */
1340     NULL,                     /* private options block pointer */
1341     NULL,                     /* driver name */
1342     NULL,                     /* setup entry point */
1343     1,                        /* batch_max */
1344     NULL,                     /* batch_id */
1345     NULL,                     /* home_dir */
1346     NULL,                     /* current_dir */
1347     TRUE,                     /* multi-domain */
1348     FALSE,                    /* overrides_hosts */
1349     100,                      /* max_addresses */
1350     500,                      /* connection_max_messages */
1351     FALSE,                    /* deliver_as_creator */
1352     FALSE,                    /* disable_logging */
1353     FALSE,                    /* initgroups */
1354     FALSE,                    /* uid_set */
1355     FALSE,                    /* gid_set */
1356     (uid_t)(-1),              /* uid */
1357     (gid_t)(-1),              /* gid */
1358     NULL,                     /* expand_uid */
1359     NULL,                     /* expand_gid */
1360     NULL,                     /* warn_message */
1361     NULL,                     /* shadow */
1362     NULL,                     /* shadow_condition */
1363     NULL,                     /* filter_command */
1364     NULL,                     /* add_headers */
1365     NULL,                     /* remove_headers */
1366     NULL,                     /* return_path */
1367     NULL,                     /* debug_string */
1368     NULL,                     /* message_size_limit */
1369     NULL,                     /* headers_rewrite */
1370     NULL,                     /* rewrite_rules */
1371     0,                        /* rewrite_existflags */
1372     300,                      /* filter_timeout */
1373     FALSE,                    /* body_only */
1374     FALSE,                    /* delivery_date_add */
1375     FALSE,                    /* envelope_to_add */
1376     FALSE,                    /* headers_only */
1377     FALSE,                    /* rcpt_include_affixes */
1378     FALSE,                    /* return_path_add */
1379     FALSE,                    /* return_output */
1380     FALSE,                    /* return_fail_output */
1381     FALSE,                    /* log_output */
1382     FALSE,                    /* log_fail_output */
1383     FALSE,                    /* log_defer_output */
1384     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1385                                  1 nor 0 so can detect unset */
1386 #ifdef EXPERIMENTAL_TPDA
1387    ,NULL                      /* tpda_delivery_action */
1388 #endif
1389 };
1390
1391 int     transport_count;
1392 uschar *transport_name          = NULL;
1393 int     transport_newlines;
1394 uschar **transport_filter_argv  = NULL;
1395 int     transport_filter_timeout;
1396 BOOL    transport_filter_timed_out = FALSE;
1397 int     transport_write_timeout= 0;
1398
1399 tree_node  *tree_dns_fails     = NULL;
1400 tree_node  *tree_duplicates    = NULL;
1401 tree_node  *tree_nonrecipients = NULL;
1402 tree_node  *tree_unusable      = NULL;
1403
1404 BOOL    trusted_caller         = FALSE;
1405 BOOL    trusted_config         = TRUE;
1406 gid_t  *trusted_groups         = NULL;
1407 uid_t  *trusted_users          = NULL;
1408 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1409
1410 uschar *unknown_login          = NULL;
1411 uschar *unknown_username       = NULL;
1412 uschar *untrusted_set_sender   = NULL;
1413
1414 /*  A regex for matching a "From_" line in an incoming message, in the form
1415
1416     From ph10 Fri Jan  5 12:35 GMT 1996
1417
1418 which  the "mail" commands send to the MTA (undocumented, of course), or in
1419 the  form
1420
1421     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1422
1423 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1424 Because  of variations in time formats, just match up to the minutes. That
1425 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1426 so  just require one digit for hours and minutes. The weekday is also absent
1427 in  some forms. */
1428
1429 uschar *uucp_from_pattern      = US
1430    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1431    "(?:"                                          /* Non-extracting bracket */
1432    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1433    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1434    ")"                                            /* End alternation */
1435    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1436
1437 uschar *uucp_from_sender       = US"$1";
1438
1439 uschar *warn_message_file      = NULL;
1440 uschar *warnmsg_delay          = NULL;
1441 uschar *warnmsg_recipients     = NULL;
1442 BOOL    write_rejectlog        = TRUE;
1443
1444 uschar *version_copyright      =
1445  US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1446    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1447 uschar *version_date           = US"?";
1448 uschar *version_cnumber        = US"????";
1449 uschar *version_string         = US"?";
1450
1451 int     warning_count          = 0;
1452
1453 /*  End of globals.c */