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 #ifdef EXPERIMENTAL_DANE
 107  FALSE,/* dane_verified */
 108 #endif
 109  NULL, /* tls_cipher */
 110  FALSE,/* tls_on_connect */
 111  NULL, /* tls_on_connect_ports */
 112  NULL, /* tls_ourcert */
 113  NULL, /* tls_peercert */
 114  NULL, /* tls_peerdn */
 115  NULL, /* tls_sni */
 116  0     /* tls_ocsp */
 117 };
 118 tls_support tls_out = {
 119  -1,   /* tls_active */
 120  0,    /* tls_bits */
 121  FALSE,/* tls_certificate_verified */
 122 #ifdef EXPERIMENTAL_DANE
 123  FALSE,/* dane_verified */
 124 #endif
 125  NULL, /* tls_cipher */
 126  FALSE,/* tls_on_connect */
 127  NULL, /* tls_on_connect_ports */
 128  NULL, /* tls_ourcert */
 129  NULL, /* tls_peercert */
 130  NULL, /* tls_peerdn */
 131  NULL, /* tls_sni */
 132  0     /* tls_ocsp */
 133 };
 134
 135 #ifdef EXPERIMENTAL_DSN
 136 uschar *dsn_envid              = NULL;
 137 int     dsn_ret                = 0;
 138 const pcre  *regex_DSN         = NULL;
 139 BOOL    smtp_use_dsn           = FALSE;
 140 uschar *dsn_advertise_hosts    = NULL;
 141 #endif
 142
 143 #ifdef SUPPORT_TLS
 144 BOOL    gnutls_compat_mode     = FALSE;
 145 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 146 uschar *gnutls_require_mac     = NULL;
 147 uschar *gnutls_require_kx      = NULL;
 148 uschar *gnutls_require_proto   = NULL;
 149 uschar *openssl_options        = NULL;
 150 const pcre *regex_STARTTLS     = NULL;
 151 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 152 uschar *tls_certificate        = NULL;
 153 uschar *tls_crl                = NULL;
 154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 155 that's the interop problem which has been observed: GnuTLS suggesting a higher
 156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 157 int     tls_dh_max_bits        = 2236;
 158 uschar *tls_dhparam            = NULL;
 159 #ifndef DISABLE_OCSP
 160 uschar *tls_ocsp_file          = NULL;
 161 #endif
 162 BOOL    tls_offered            = FALSE;
 163 uschar *tls_privatekey         = NULL;
 164 BOOL    tls_remember_esmtp     = FALSE;
 165 uschar *tls_require_ciphers    = NULL;
 166 uschar *tls_try_verify_hosts   = NULL;
 167 uschar *tls_verify_certificates= NULL;
 168 uschar *tls_verify_hosts       = NULL;
 169 #endif
 170
 171 #ifndef DISABLE_PRDR
 172 /* Per Recipient Data Response variables */
 173 BOOL    prdr_enable            = FALSE;
 174 BOOL    prdr_requested         = FALSE;
 175 const pcre *regex_PRDR         = NULL;
 176 #endif
 177
 178 /* Input-reading functions for messages, so we can use special ones for
 179 incoming TCP/IP. The defaults use stdin. We never need these for any
 180 stand-alone tests. */
 181
 182 #ifndef STAND_ALONE
 183 int (*receive_getc)(void)      = stdin_getc;
 184 int (*receive_ungetc)(int)     = stdin_ungetc;
 185 int (*receive_feof)(void)      = stdin_feof;
 186 int (*receive_ferror)(void)    = stdin_ferror;
 187 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 188 #endif
 189
 190
 191 /* List of per-address expansion variables for clearing and saving/restoring
 192 when verifying one address while routing/verifying another. We have to have
 193 the size explicit, because it is referenced from more than one module. */
 194
 195 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 196   &deliver_address_data,
 197   &deliver_domain,
 198   &deliver_domain_data,
 199   &deliver_domain_orig,
 200   &deliver_domain_parent,
 201   &deliver_localpart,
 202   &deliver_localpart_data,
 203   &deliver_localpart_orig,
 204   &deliver_localpart_parent,
 205   &deliver_localpart_prefix,
 206   &deliver_localpart_suffix,
 207   (uschar **)(&deliver_recipients),
 208   &deliver_host,
 209   &deliver_home,
 210   &address_file,
 211   &address_pipe,
 212   &self_hostname,
 213   NULL };
 214
 215 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 216
 217 /* General global variables */
 218
 219 header_line *acl_added_headers = NULL;
 220 tree_node *acl_anchor          = NULL;
 221 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 222                                   NULL, NULL, NULL, NULL};
 223 int     acl_narg               = 0;
 224
 225 uschar *acl_not_smtp           = NULL;
 226 #ifdef WITH_CONTENT_SCAN
 227 uschar *acl_not_smtp_mime      = NULL;
 228 #endif
 229 uschar *acl_not_smtp_start     = NULL;
 230 uschar *acl_removed_headers    = NULL;
 231 uschar *acl_smtp_auth          = NULL;
 232 uschar *acl_smtp_connect       = NULL;
 233 uschar *acl_smtp_data          = NULL;
 234 #ifndef DISABLE_PRDR
 235 uschar *acl_smtp_data_prdr     = NULL;
 236 #endif
 237 #ifndef DISABLE_DKIM
 238 uschar *acl_smtp_dkim          = NULL;
 239 #endif
 240 uschar *acl_smtp_etrn          = NULL;
 241 uschar *acl_smtp_expn          = NULL;
 242 uschar *acl_smtp_helo          = NULL;
 243 uschar *acl_smtp_mail          = NULL;
 244 uschar *acl_smtp_mailauth      = NULL;
 245 #ifdef WITH_CONTENT_SCAN
 246 uschar *acl_smtp_mime          = NULL;
 247 #endif
 248 uschar *acl_smtp_notquit       = NULL;
 249 uschar *acl_smtp_predata       = NULL;
 250 uschar *acl_smtp_quit          = NULL;
 251 uschar *acl_smtp_rcpt          = NULL;
 252 uschar *acl_smtp_starttls      = NULL;
 253 uschar *acl_smtp_vrfy          = NULL;
 254
 255 BOOL    acl_temp_details       = FALSE;
 256 tree_node *acl_var_c           = NULL;
 257 tree_node *acl_var_m           = NULL;
 258 uschar *acl_verify_message     = NULL;
 259 string_item *acl_warn_logged   = NULL;
 260
 261 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 262 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 263
 264 uschar *acl_wherenames[]       = { US"RCPT",
 265                                    US"MAIL",
 266                                    US"PREDATA",
 267                                    US"MIME",
 268                                    US"DKIM",
 269                                    US"DATA",
 270 #ifndef DISABLE_PRDR
 271                                    US"PRDR",
 272 #endif
 273                                    US"non-SMTP",
 274                                    US"AUTH",
 275                                    US"connection",
 276                                    US"ETRN",
 277                                    US"EXPN",
 278                                    US"EHLO or HELO",
 279                                    US"MAILAUTH",
 280                                    US"non-SMTP-start",
 281                                    US"NOTQUIT",
 282                                    US"QUIT",
 283                                    US"STARTTLS",
 284                                    US"VRFY",
 285                                    US"delivery",
 286                                    US"unknown"
 287                                  };
 288
 289 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 290                                    US"550",     /* MAIL */
 291                                    US"550",     /* PREDATA */
 292                                    US"550",     /* MIME */
 293                                    US"550",     /* DKIM */
 294                                    US"550",     /* DATA */
 295 #ifndef DISABLE_PRDR
 296                                    US"550",    /* RCPT PRDR */
 297 #endif
 298                                    US"0",       /* not SMTP; not relevant */
 299                                    US"503",     /* AUTH */
 300                                    US"550",     /* connect */
 301                                    US"458",     /* ETRN */
 302                                    US"550",     /* EXPN */
 303                                    US"550",     /* HELO/EHLO */
 304                                    US"0",       /* MAILAUTH; not relevant */
 305                                    US"0",       /* not SMTP; not relevant */
 306                                    US"0",       /* NOTQUIT; not relevant */
 307                                    US"0",       /* QUIT; not relevant */
 308                                    US"550",     /* STARTTLS */
 309                                    US"252",     /* VRFY */
 310                                    US"0",       /* delivery; not relevant */
 311                                    US"0"        /* unknown; not relevant */
 312                                  };
 313
 314 BOOL    active_local_from_check = FALSE;
 315 BOOL    active_local_sender_retain = FALSE;
 316 int     body_8bitmime = 0;
 317 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 318 address_item  *addr_duplicate  = NULL;
 319
 320 address_item address_defaults = {
 321   NULL,                 /* next */
 322   NULL,                 /* parent */
 323   NULL,                 /* first */
 324   NULL,                 /* dupof */
 325   NULL,                 /* start_router */
 326   NULL,                 /* router */
 327   NULL,                 /* transport */
 328   NULL,                 /* host_list */
 329   NULL,                 /* host_used */
 330   NULL,                 /* fallback_hosts */
 331   NULL,                 /* reply */
 332   NULL,                 /* retries */
 333   NULL,                 /* address */
 334   NULL,                 /* unique */
 335   NULL,                 /* cc_local_part */
 336   NULL,                 /* lc_local_part */
 337   NULL,                 /* local_part */
 338   NULL,                 /* prefix */
 339   NULL,                 /* suffix */
 340   NULL,                 /* domain */
 341   NULL,                 /* address_retry_key */
 342   NULL,                 /* domain_retry_key */
 343   NULL,                 /* current_dir */
 344   NULL,                 /* home_dir */
 345   NULL,                 /* message */
 346   NULL,                 /* user_message */
 347   NULL,                 /* onetime_parent */
 348   NULL,                 /* pipe_expandn */
 349   NULL,                 /* return_filename */
 350   NULL,                 /* self_hostname */
 351   NULL,                 /* shadow_message */
 352   #ifdef SUPPORT_TLS
 353   NULL,                 /* cipher */
 354   NULL,                 /* ourcert */
 355   NULL,                 /* peercert */
 356   NULL,                 /* peerdn */
 357   OCSP_NOT_REQ,         /* ocsp */
 358   #endif
 359   NULL,                 /* authenticator */
 360   NULL,                 /* auth_id */
 361   NULL,                 /* auth_sndr */
 362   #ifdef EXPERIMENTAL_DSN
 363   NULL,                 /* dsn_orcpt */
 364   0,                    /* dsn_flags */
 365   0,                    /* dsn_aware */
 366   #endif
 367   (uid_t)(-1),          /* uid */
 368   (gid_t)(-1),          /* gid */
 369   0,                    /* flags */
 370   { 0 },                /* domain_cache - any larger array should be zeroed */
 371   { 0 },                /* localpart_cache - ditto */
 372   -1,                   /* mode */
 373   0,                    /* more_errno */
 374   ERRNO_UNKNOWNERROR,   /* basic_errno */
 375   0,                    /* child_count */
 376   -1,                   /* return_file */
 377   SPECIAL_NONE,         /* special_action */
 378   DEFER,                /* transport_return */
 379   {                     /* fields that are propagated to children */
 380     NULL,               /* address_data */
 381     NULL,               /* domain_data */
 382     NULL,               /* localpart_data */
 383     NULL,               /* errors_address */
 384     NULL,               /* extra_headers */
 385     NULL,               /* remove_headers */
 386 #ifdef EXPERIMENTAL_SRS
 387     NULL,               /* srs_sender */
 388 #endif
 389   }
 390 };
 391
 392 uschar *address_file           = NULL;
 393 uschar *address_pipe           = NULL;
 394 BOOL    address_test_mode      = FALSE;
 395 tree_node *addresslist_anchor  = NULL;
 396 int     addresslist_count      = 0;
 397 gid_t  *admin_groups           = NULL;
 398 BOOL    admin_user             = FALSE;
 399 BOOL    allow_auth_unadvertised= FALSE;
 400 BOOL    allow_domain_literals  = FALSE;
 401 BOOL    allow_mx_to_ip         = FALSE;
 402 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 403 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 404 BOOL    allow_utf8_domains     = FALSE;
 405 uschar *authenticated_fail_id  = NULL;
 406 uschar *authenticated_id       = NULL;
 407 uschar *authenticated_sender   = NULL;
 408 BOOL    authentication_failed  = FALSE;
 409 auth_instance  *auths          = NULL;
 410 uschar *auth_advertise_hosts   = US"*";
 411 auth_instance auth_defaults    = {
 412     NULL,                      /* chain pointer */
 413     NULL,                      /* name */
 414     NULL,                      /* info */
 415     NULL,                      /* private options block pointer */
 416     NULL,                      /* driver_name */
 417     NULL,                      /* advertise_condition */
 418     NULL,                      /* client_condition */
 419     NULL,                      /* public_name */
 420     NULL,                      /* set_id */
 421     NULL,                      /* set_client_id */
 422     NULL,                      /* server_mail_auth_condition */
 423     NULL,                      /* server_debug_string */
 424     NULL,                      /* server_condition */
 425     FALSE,                     /* client */
 426     FALSE,                     /* server */
 427     FALSE                      /* advertised */
 428 };
 429
 430 uschar *auth_defer_msg         = US"reason not recorded";
 431 uschar *auth_defer_user_msg    = US"";
 432 uschar *auth_vars[AUTH_VARS];
 433 int     auto_thaw              = 0;
 434 #ifdef WITH_CONTENT_SCAN
 435 BOOL    av_failed              = FALSE;
 436 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 437 #endif
 438
 439 BOOL    background_daemon      = TRUE;
 440
 441 #if BASE_62 == 62
 442 uschar *base62_chars=
 443     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 444 #else
 445 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 446 #endif
 447
 448 uschar *bi_command             = NULL;
 449 uschar *big_buffer             = NULL;
 450 int     big_buffer_size        = BIG_BUFFER_SIZE;
 451 #ifdef EXPERIMENTAL_BRIGHTMAIL
 452 uschar *bmi_alt_location       = NULL;
 453 uschar *bmi_base64_tracker_verdict = NULL;
 454 uschar *bmi_base64_verdict     = NULL;
 455 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 456 int     bmi_deliver            = 1;
 457 int     bmi_run                = 0;
 458 uschar *bmi_verdicts           = NULL;
 459 #endif
 460 int     body_linecount         = 0;
 461 int     body_zerocount         = 0;
 462 uschar *bounce_message_file    = NULL;
 463 uschar *bounce_message_text    = NULL;
 464 uschar *bounce_recipient       = NULL;
 465 BOOL    bounce_return_body     = TRUE;
 466 BOOL    bounce_return_message  = TRUE;
 467 int     bounce_return_size_limit = 100*1024;
 468 uschar *bounce_sender_authentication = NULL;
 469 int     bsmtp_transaction_linecount = 0;
 470
 471 int     callout_cache_domain_positive_expire = 7*24*60*60;
 472 int     callout_cache_domain_negative_expire = 3*60*60;
 473 int     callout_cache_positive_expire = 24*60*60;
 474 int     callout_cache_negative_expire = 2*60*60;
 475 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 476 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 477 int     check_log_inodes       = 0;
 478 int     check_log_space        = 0;
 479 BOOL    check_rfc2047_length   = TRUE;
 480 int     check_spool_inodes     = 0;
 481 int     check_spool_space      = 0;
 482 uschar  *client_authenticator  = NULL;
 483 uschar  *client_authenticated_id = NULL;
 484 uschar  *client_authenticated_sender = NULL;
 485 int     clmacro_count          = 0;
 486 uschar *clmacros[MAX_CLMACROS];
 487 BOOL    config_changed         = FALSE;
 488 FILE   *config_file            = NULL;
 489 uschar *config_filename        = NULL;
 490 int     config_lineno          = 0;
 491 #ifdef CONFIGURE_GROUP
 492 gid_t   config_gid             = CONFIGURE_GROUP;
 493 #endif
 494 uschar *config_main_filelist   = US CONFIGURE_FILE
 495                          "\0<-----------Space to patch configure_filename->";
 496 uschar *config_main_filename   = NULL;
 497
 498 #ifdef CONFIGURE_OWNER
 499 uid_t   config_uid             = CONFIGURE_OWNER;
 500 #endif
 501
 502 int     connection_max_messages= -1;
 503 uschar *continue_hostname      = NULL;
 504 uschar *continue_host_address  = NULL;
 505 BOOL    continue_more          = FALSE;
 506 int     continue_sequence      = 1;
 507 uschar *continue_transport     = NULL;
 508
 509 uschar *csa_status             = NULL;
 510 BOOL    cutthrough_delivery    = FALSE;
 511 int     cutthrough_fd          = -1;
 512
 513 BOOL    daemon_listen          = FALSE;
 514 uschar *daemon_smtp_port       = US"smtp";
 515 int     daemon_startup_retries = 9;
 516 int     daemon_startup_sleep   = 30;
 517
 518 #ifdef EXPERIMENTAL_DCC
 519 BOOL    dcc_direct_add_header  = FALSE;
 520 uschar *dcc_header             = NULL;
 521 uschar *dcc_result             = NULL;
 522 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 523 uschar *dccifd_options         = US"header";
 524 #endif
 525
 526 BOOL    debug_daemon           = FALSE;
 527 int     debug_fd               = -1;
 528 FILE   *debug_file             = NULL;
 529 bit_table debug_options[]      = {
 530   { US"acl",            D_acl },
 531   { US"all",            D_all },
 532   { US"auth",           D_auth },
 533   { US"deliver",        D_deliver },
 534   { US"dns",            D_dns },
 535   { US"dnsbl",          D_dnsbl },
 536   { US"exec",           D_exec },
 537   { US"expand",         D_expand },
 538   { US"filter",         D_filter },
 539   { US"hints_lookup",   D_hints_lookup },
 540   { US"host_lookup",    D_host_lookup },
 541   { US"ident",          D_ident },
 542   { US"interface",      D_interface },
 543   { US"lists",          D_lists },
 544   { US"load",           D_load },
 545   { US"local_scan",     D_local_scan },
 546   { US"lookup",         D_lookup },
 547   { US"memory",         D_memory },
 548   { US"pid",            D_pid },
 549   { US"process_info",   D_process_info },
 550   { US"queue_run",      D_queue_run },
 551   { US"receive",        D_receive },
 552   { US"resolver",       D_resolver },
 553   { US"retry",          D_retry },
 554   { US"rewrite",        D_rewrite },
 555   { US"route",          D_route },
 556   { US"timestamp",      D_timestamp },
 557   { US"tls",            D_tls },
 558   { US"transport",      D_transport },
 559   { US"uid",            D_uid },
 560   { US"verify",         D_verify }
 561 };
 562 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 563 unsigned int debug_selector    = 0;
 564 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 565 uschar *delay_warning_condition=
 566   US"${if or {"
 567             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 568             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 569             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 570             "} {no}{yes}}";
 571 BOOL    delivery_date_remove   = TRUE;
 572 uschar *deliver_address_data   = NULL;
 573 int     deliver_datafile       = -1;
 574 uschar *deliver_domain         = NULL;
 575 uschar *deliver_domain_data    = NULL;
 576 uschar *deliver_domain_orig    = NULL;
 577 uschar *deliver_domain_parent  = NULL;
 578 BOOL    deliver_drop_privilege = FALSE;
 579 BOOL    deliver_firsttime      = FALSE;
 580 BOOL    deliver_force          = FALSE;
 581 BOOL    deliver_freeze         = FALSE;
 582 time_t  deliver_frozen_at      = 0;
 583 uschar *deliver_home           = NULL;
 584 uschar *deliver_host           = NULL;
 585 uschar *deliver_host_address   = NULL;
 586 uschar *deliver_in_buffer      = NULL;
 587 ino_t   deliver_inode          = 0;
 588 uschar *deliver_localpart      = NULL;
 589 uschar *deliver_localpart_data = NULL;
 590 uschar *deliver_localpart_orig = NULL;
 591 uschar *deliver_localpart_parent = NULL;
 592 uschar *deliver_localpart_prefix = NULL;
 593 uschar *deliver_localpart_suffix = NULL;
 594 BOOL    deliver_force_thaw     = FALSE;
 595 BOOL    deliver_manual_thaw    = FALSE;
 596 uschar *deliver_out_buffer     = NULL;
 597 int     deliver_queue_load_max = -1;
 598 address_item  *deliver_recipients = NULL;
 599 uschar *deliver_selectstring   = NULL;
 600 BOOL    deliver_selectstring_regex = FALSE;
 601 uschar *deliver_selectstring_sender = NULL;
 602 BOOL    deliver_selectstring_sender_regex = FALSE;
 603 #ifdef WITH_OLD_DEMIME
 604 int     demime_errorlevel      = 0;
 605 int     demime_ok              = 0;
 606 uschar *demime_reason          = NULL;
 607 #endif
 608 BOOL    disable_callout_flush  = FALSE;
 609 BOOL    disable_delay_flush    = FALSE;
 610 #ifdef ENABLE_DISABLE_FSYNC
 611 BOOL    disable_fsync          = FALSE;
 612 #endif
 613 BOOL    disable_ipv6           = FALSE;
 614 BOOL    disable_logging        = FALSE;
 615
 616 #ifndef DISABLE_DKIM
 617 uschar *dkim_cur_signer          = NULL;
 618 uschar *dkim_signers             = NULL;
 619 uschar *dkim_signing_domain      = NULL;
 620 uschar *dkim_signing_selector    = NULL;
 621 uschar *dkim_verify_signers      = US"$dkim_signers";
 622 BOOL    dkim_collect_input       = FALSE;
 623 BOOL    dkim_disable_verify      = FALSE;
 624 #endif
 625 #ifdef EXPERIMENTAL_DMARC
 626 BOOL    dmarc_has_been_checked  = FALSE;
 627 uschar *dmarc_ar_header         = NULL;
 628 uschar *dmarc_domain_policy     = NULL;
 629 uschar *dmarc_forensic_sender   = NULL;
 630 uschar *dmarc_history_file      = NULL;
 631 uschar *dmarc_status            = NULL;
 632 uschar *dmarc_status_text       = NULL;
 633 uschar *dmarc_tld_file          = NULL;
 634 uschar *dmarc_used_domain       = NULL;
 635 BOOL    dmarc_disable_verify    = FALSE;
 636 BOOL    dmarc_enable_forensic   = FALSE;
 637 #endif
 638
 639 uschar *dns_again_means_nonexist = NULL;
 640 int     dns_csa_search_limit   = 5;
 641 BOOL    dns_csa_use_reverse    = TRUE;
 642 #ifdef EXPERIMENTAL_DANE
 643 int     dns_dane_ok            = -1;
 644 #endif
 645 uschar *dns_ipv4_lookup        = NULL;
 646 int     dns_retrans            = 0;
 647 int     dns_retry              = 0;
 648 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 649 int     dns_use_edns0          = -1; /* <0 = not coerced */
 650 uschar *dnslist_domain         = NULL;
 651 uschar *dnslist_matched        = NULL;
 652 uschar *dnslist_text           = NULL;
 653 uschar *dnslist_value          = NULL;
 654 tree_node *domainlist_anchor   = NULL;
 655 int     domainlist_count       = 0;
 656 BOOL    dont_deliver           = FALSE;
 657 BOOL    dot_ends               = TRUE;
 658 BOOL    drop_cr                = FALSE;         /* No longer used */
 659 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 660
 661 BOOL    enable_dollar_recipients = FALSE;
 662 BOOL    envelope_to_remove     = TRUE;
 663 int     errno_quota            = ERRNO_QUOTA;
 664 uschar *errors_copy            = NULL;
 665 int     error_handling         = ERRORS_SENDER;
 666 uschar *errors_reply_to        = NULL;
 667 int     errors_sender_rc       = EXIT_FAILURE;
 668
 669 gid_t   exim_gid               = EXIM_GID;
 670 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 671 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 672                         "\0<---------------Space to patch exim_path->";
 673 uid_t   exim_uid               = EXIM_UID;
 674 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 675 int     expand_forbid          = 0;
 676 int     expand_nlength[EXPAND_MAXN+1];
 677 int     expand_nmax            = -1;
 678 uschar *expand_nstring[EXPAND_MAXN+1];
 679 BOOL    expand_string_forcedfail = FALSE;
 680 uschar *expand_string_message;
 681 BOOL    extract_addresses_remove_arguments = TRUE;
 682 uschar *extra_local_interfaces = NULL;
 683
 684 int     fake_response          = OK;
 685 uschar *fake_response_text     = US"Your message has been rejected but is "
 686                                    "being kept for evaluation.\nIf it was a "
 687                                    "legitimate message, it may still be "
 688                                    "delivered to the target recipient(s).";
 689 int     filter_n[FILTER_VARIABLE_COUNT];
 690 BOOL    filter_running         = FALSE;
 691 int     filter_sn[FILTER_VARIABLE_COUNT];
 692 int     filter_test            = FTEST_NONE;
 693 uschar *filter_test_sfile      = NULL;
 694 uschar *filter_test_ufile      = NULL;
 695 uschar *filter_thisaddress     = NULL;
 696 int     finduser_retries       = 0;
 697 #ifdef WITH_OLD_DEMIME
 698 uschar *found_extension        = NULL;
 699 #endif
 700 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 701 uschar *freeze_tell            = NULL;
 702 uschar *freeze_tell_config     = NULL;
 703 uschar *fudged_queue_times     = US"";
 704
 705 uschar *gecos_name             = NULL;
 706 uschar *gecos_pattern          = NULL;
 707 rewrite_rule  *global_rewrite_rules = NULL;
 708
 709 uschar *headers_charset        = US HEADERS_CHARSET;
 710 int     header_insert_maxlen   = 64 * 1024;
 711 header_line  *header_last      = NULL;
 712 header_line  *header_list      = NULL;
 713 int     header_maxsize         = HEADER_MAXSIZE;
 714 int     header_line_maxsize    = 0;
 715
 716 header_name header_names[] = {
 717   { US"bcc",            3, TRUE,  htype_bcc },
 718   { US"cc",             2, TRUE,  htype_cc },
 719   { US"date",           4, TRUE,  htype_date },
 720   { US"delivery-date", 13, FALSE, htype_delivery_date },
 721   { US"envelope-to",   11, FALSE, htype_envelope_to },
 722   { US"from",           4, TRUE,  htype_from },
 723   { US"message-id",    10, TRUE,  htype_id },
 724   { US"received",       8, FALSE, htype_received },
 725   { US"reply-to",       8, FALSE, htype_reply_to },
 726   { US"return-path",   11, FALSE, htype_return_path },
 727   { US"sender",         6, TRUE,  htype_sender },
 728   { US"subject",        7, FALSE, htype_subject },
 729   { US"to",             2, TRUE,  htype_to }
 730 };
 731
 732 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 733
 734 BOOL    header_rewritten       = FALSE;
 735 uschar *helo_accept_junk_hosts = NULL;
 736 uschar *helo_allow_chars       = US"";
 737 uschar *helo_lookup_domains    = US"@ : @[]";
 738 uschar *helo_try_verify_hosts  = NULL;
 739 BOOL    helo_verified          = FALSE;
 740 BOOL    helo_verify_failed     = FALSE;
 741 uschar *helo_verify_hosts      = NULL;
 742 const uschar *hex_digits       = CUS"0123456789abcdef";
 743 uschar *hold_domains           = NULL;
 744 BOOL    host_checking          = FALSE;
 745 BOOL    host_checking_callout  = FALSE;
 746 uschar *host_data              = NULL;
 747 BOOL    host_find_failed_syntax= FALSE;
 748 uschar *host_lookup            = NULL;
 749 BOOL    host_lookup_deferred   = FALSE;
 750 BOOL    host_lookup_failed     = FALSE;
 751 uschar *host_lookup_order      = US"bydns:byaddr";
 752 uschar *host_lookup_msg        = US"";
 753 int     host_number            = 0;
 754 uschar *host_number_string     = NULL;
 755 uschar *host_reject_connection = NULL;
 756 tree_node *hostlist_anchor     = NULL;
 757 int     hostlist_count         = 0;
 758 uschar *hosts_treat_as_local   = NULL;
 759 uschar *hosts_connection_nolog = NULL;
 760
 761 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 762 BOOL    ignore_fromline_local  = FALSE;
 763 uschar *ignore_fromline_hosts  = NULL;
 764 BOOL    inetd_wait_mode        = FALSE;
 765 int     inetd_wait_timeout     = -1;
 766 uschar *interface_address      = NULL;
 767 int     interface_port         = -1;
 768 BOOL    is_inetd               = FALSE;
 769 uschar *iterate_item           = NULL;
 770
 771 int     journal_fd             = -1;
 772
 773 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 774
 775 uschar *eldap_dn               = NULL;
 776 int     load_average           = -2;
 777 BOOL    local_error_message    = FALSE;
 778 BOOL    local_from_check       = TRUE;
 779 uschar *local_from_prefix      = NULL;
 780 uschar *local_from_suffix      = NULL;
 781
 782 #if HAVE_IPV6
 783 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 784 #else
 785 uschar *local_interfaces       = US"0.0.0.0";
 786 #endif
 787
 788 uschar *local_scan_data        = NULL;
 789 int     local_scan_timeout     = 5*60;
 790 BOOL    local_sender_retain    = FALSE;
 791 gid_t   local_user_gid         = (gid_t)(-1);
 792 uid_t   local_user_uid         = (uid_t)(-1);
 793
 794 tree_node *localpartlist_anchor= NULL;
 795 int     localpartlist_count    = 0;
 796 uschar *log_buffer             = NULL;
 797 unsigned int log_extra_selector = LX_default;
 798 uschar *log_file_path          = US LOG_FILE_PATH
 799                            "\0<--------------Space to patch log_file_path->";
 800
 801 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 802 are the ones that get put into log_write_selector. They can be used in calls to
 803 log_write() to test for the bit. The options with LX_xxx identifiers have
 804 values greater than 0x80000000 and are put into log_extra_selector (without the
 805 top bit). They are never used in calls to log_write(), but are tested
 806 independently. This separation became necessary when the number of log
 807 selectors was getting close to filling a 32-bit word. */
 808
 809 /* Note that this list must be in alphabetical order. */
 810
 811 bit_table log_options[]        = {
 812   { US"8bitmime",                     LX_8bitmime },
 813   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 814   { US"address_rewrite",              L_address_rewrite },
 815   { US"all",                          L_all },
 816   { US"all_parents",                  L_all_parents },
 817   { US"arguments",                    LX_arguments },
 818   { US"connection_reject",            L_connection_reject },
 819   { US"delay_delivery",               L_delay_delivery },
 820   { US"deliver_time",                 LX_deliver_time },
 821   { US"delivery_size",                LX_delivery_size },
 822   { US"dnslist_defer",                L_dnslist_defer },
 823   { US"etrn",                         L_etrn },
 824   { US"host_lookup_failed",           L_host_lookup_failed },
 825   { US"ident_timeout",                LX_ident_timeout },
 826   { US"incoming_interface",           LX_incoming_interface },
 827   { US"incoming_port",                LX_incoming_port },
 828   { US"lost_incoming_connection",     L_lost_incoming_connection },
 829   { US"outgoing_port",                LX_outgoing_port },
 830   { US"pid",                          LX_pid },
 831 #ifdef EXPERIMENTAL_PROXY
 832   { US"proxy",                        LX_proxy },
 833 #endif
 834   { US"queue_run",                    L_queue_run },
 835   { US"queue_time",                   LX_queue_time },
 836   { US"queue_time_overall",           LX_queue_time_overall },
 837   { US"received_recipients",          LX_received_recipients },
 838   { US"received_sender",              LX_received_sender },
 839   { US"rejected_header",              LX_rejected_header },
 840   { US"rejected_headers",             LX_rejected_header },
 841   { US"retry_defer",                  L_retry_defer },
 842   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 843   { US"sender_on_delivery",           LX_sender_on_delivery },
 844   { US"sender_verify_fail",           LX_sender_verify_fail },
 845   { US"size_reject",                  L_size_reject },
 846   { US"skip_delivery",                L_skip_delivery },
 847   { US"smtp_confirmation",            LX_smtp_confirmation },
 848   { US"smtp_connection",              L_smtp_connection },
 849   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 850   { US"smtp_mailauth",                LX_smtp_mailauth },
 851   { US"smtp_no_mail",                 LX_smtp_no_mail },
 852   { US"smtp_protocol_error",          L_smtp_protocol_error },
 853   { US"smtp_syntax_error",            L_smtp_syntax_error },
 854   { US"subject",                      LX_subject },
 855   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 856   { US"tls_cipher",                   LX_tls_cipher },
 857   { US"tls_peerdn",                   LX_tls_peerdn },
 858   { US"tls_sni",                      LX_tls_sni },
 859   { US"unknown_in_list",              LX_unknown_in_list }
 860 };
 861
 862 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 863 int     log_reject_target      = 0;
 864 uschar *log_selector_string    = NULL;
 865 FILE   *log_stderr             = NULL;
 866 BOOL    log_testing_mode       = FALSE;
 867 BOOL    log_timezone           = FALSE;
 868 unsigned int log_write_selector= L_default;
 869 uschar *login_sender_address   = NULL;
 870 uschar *lookup_dnssec_authenticated = NULL;
 871 int     lookup_open_max        = 25;
 872 uschar *lookup_value           = NULL;
 873
 874 macro_item  *macros            = NULL;
 875 uschar *mailstore_basename     = NULL;
 876 #ifdef WITH_CONTENT_SCAN
 877 uschar *malware_name           = NULL;  /* Virus Name */
 878 #endif
 879 int     max_received_linelength= 0;
 880 int     max_username_length    = 0;
 881 int     message_age            = 0;
 882 uschar *message_body           = NULL;
 883 uschar *message_body_end       = NULL;
 884 BOOL    message_body_newlines  = FALSE;
 885 int     message_body_size      = 0;
 886 int     message_body_visible   = 500;
 887 int     message_ended          = END_NOTSTARTED;
 888 uschar *message_headers        = NULL;
 889 uschar *message_id;
 890 uschar *message_id_domain      = NULL;
 891 uschar *message_id_text        = NULL;
 892 struct timeval message_id_tv   = { 0, 0 };
 893 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 894 uschar *message_id_external;
 895 int     message_linecount      = 0;
 896 BOOL    message_logs           = TRUE;
 897 int     message_size           = 0;
 898 uschar *message_size_limit     = US"50M";
 899 uschar  message_subdir[2]      = { 0, 0 };
 900 uschar *message_reference      = NULL;
 901
 902 /* MIME ACL expandables */
 903 #ifdef WITH_CONTENT_SCAN
 904 int     mime_anomaly_level     = 0;
 905 const uschar *mime_anomaly_text      = NULL;
 906 uschar *mime_boundary          = NULL;
 907 uschar *mime_charset           = NULL;
 908 uschar *mime_content_description = NULL;
 909 uschar *mime_content_disposition = NULL;
 910 uschar *mime_content_id        = NULL;
 911 unsigned int mime_content_size = 0;
 912 uschar *mime_content_transfer_encoding = NULL;
 913 uschar *mime_content_type      = NULL;
 914 uschar *mime_decoded_filename  = NULL;
 915 uschar *mime_filename          = NULL;
 916 int     mime_is_multipart      = 0;
 917 int     mime_is_coverletter    = 0;
 918 int     mime_is_rfc822         = 0;
 919 int     mime_part_count        = -1;
 920 #endif
 921
 922 BOOL    mua_wrapper            = FALSE;
 923
 924 uid_t  *never_users            = NULL;
 925 #ifdef WITH_CONTENT_SCAN
 926 BOOL    no_mbox_unspool        = FALSE;
 927 #endif
 928 BOOL    no_multiline_responses = FALSE;
 929
 930 uid_t   original_euid;
 931 gid_t   originator_gid;
 932 uschar *originator_login       = NULL;
 933 uschar *originator_name        = NULL;
 934 uid_t   originator_uid;
 935 uschar *override_local_interfaces = NULL;
 936 uschar *override_pid_file_path = NULL;
 937
 938 BOOL    parse_allow_group      = FALSE;
 939 BOOL    parse_found_group      = FALSE;
 940 uschar *percent_hack_domains   = NULL;
 941 uschar *pid_file_path          = US PID_FILE_PATH
 942                            "\0<--------------Space to patch pid_file_path->";
 943 BOOL    pipelining_enable      = TRUE;
 944 uschar *pipelining_advertise_hosts = US"*";
 945 BOOL    preserve_message_logs  = FALSE;
 946 uschar *primary_hostname       = NULL;
 947 BOOL    print_topbitchars      = FALSE;
 948 uschar  process_info[PROCESS_INFO_SIZE];
 949 int     process_info_len       = 0;
 950 uschar *process_log_path       = NULL;
 951 BOOL    prod_requires_admin    = TRUE;
 952
 953 #ifdef EXPERIMENTAL_PROXY
 954 uschar *proxy_host_address     = US"";
 955 int     proxy_host_port        = 0;
 956 uschar *proxy_required_hosts   = US"";
 957 BOOL    proxy_session          = FALSE;
 958 BOOL    proxy_session_failed   = FALSE;
 959 uschar *proxy_target_address   = US"";
 960 int     proxy_target_port      = 0;
 961 #endif
 962
 963 uschar *prvscheck_address      = NULL;
 964 uschar *prvscheck_keynum       = NULL;
 965 uschar *prvscheck_result       = NULL;
 966
 967
 968 uschar *qualify_domain_recipient = NULL;
 969 uschar *qualify_domain_sender  = NULL;
 970 BOOL    queue_2stage           = FALSE;
 971 uschar *queue_domains          = NULL;
 972 int     queue_interval         = -1;
 973 BOOL    queue_list_requires_admin = TRUE;
 974 BOOL    queue_only             = FALSE;
 975 uschar *queue_only_file        = NULL;
 976 int     queue_only_load        = -1;
 977 BOOL    queue_only_load_latch  = TRUE;
 978 BOOL    queue_only_override    = TRUE;
 979 BOOL    queue_only_policy      = FALSE;
 980 BOOL    queue_run_first_delivery = FALSE;
 981 BOOL    queue_run_force        = FALSE;
 982 BOOL    queue_run_in_order     = FALSE;
 983 BOOL    queue_run_local        = FALSE;
 984 int     queue_run_max          = 5;
 985 pid_t   queue_run_pid          = (pid_t)0;
 986 int     queue_run_pipe         = -1;
 987 BOOL    queue_running          = FALSE;
 988 BOOL    queue_smtp             = FALSE;
 989 uschar *queue_smtp_domains     = NULL;
 990
 991 unsigned int random_seed       = 0;
 992 tree_node *ratelimiters_cmd    = NULL;
 993 tree_node *ratelimiters_conn   = NULL;
 994 tree_node *ratelimiters_mail   = NULL;
 995 uschar *raw_active_hostname    = NULL;
 996 uschar *raw_sender             = NULL;
 997 uschar **raw_recipients        = NULL;
 998 int     raw_recipients_count   = 0;
 999
1000 int     rcpt_count             = 0;
1001 int     rcpt_fail_count        = 0;
1002 int     rcpt_defer_count       = 0;
1003 gid_t   real_gid;
1004 uid_t   real_uid;
1005 BOOL    really_exim            = TRUE;
1006 BOOL    receive_call_bombout   = FALSE;
1007 int     receive_linecount      = 0;
1008 int     receive_messagecount   = 0;
1009 int     receive_timeout        = 0;
1010 int     received_count         = 0;
1011 uschar *received_for           = NULL;
1012
1013 /*  This is the default text for Received headers generated by Exim. The
1014 date  will be automatically added on the end. */
1015
1016 uschar *received_header_text   = US
1017      "Received: "
1018      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1019      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1020      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1021      "by $primary_hostname "
1022      "${if def:received_protocol {with $received_protocol}} "
1023      #ifdef SUPPORT_TLS
1024      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1025      #endif
1026      "(Exim $version_number)\n\t"
1027      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1028      "id $message_exim_id"
1029      "${if def:received_for {\n\tfor $received_for}}"
1030      "\0<---------------Space to patch received_header_text->";
1031
1032 int     received_headers_max   = 30;
1033 uschar *received_protocol      = NULL;
1034 int     received_time          = 0;
1035 uschar *recipient_data         = NULL;
1036 uschar *recipient_unqualified_hosts = NULL;
1037 uschar *recipient_verify_failure = NULL;
1038 int     recipients_count       = 0;
1039 BOOL    recipients_discarded   = FALSE;
1040 recipient_item  *recipients_list = NULL;
1041 int     recipients_list_max    = 0;
1042 int     recipients_max         = 0;
1043 BOOL    recipients_max_reject  = FALSE;
1044 const pcre *regex_AUTH         = NULL;
1045 const pcre *regex_check_dns_names = NULL;
1046 const pcre *regex_From         = NULL;
1047 const pcre *regex_IGNOREQUOTA  = NULL;
1048 const pcre *regex_PIPELINING   = NULL;
1049 const pcre *regex_SIZE         = NULL;
1050 const pcre *regex_smtp_code    = NULL;
1051 const pcre *regex_ismsgid      = NULL;
1052 #ifdef WHITELIST_D_MACROS
1053 const pcre *regex_whitelisted_macro = NULL;
1054 #endif
1055 #ifdef WITH_CONTENT_SCAN
1056 uschar *regex_match_string     = NULL;
1057 #endif
1058 int     remote_delivery_count  = 0;
1059 int     remote_max_parallel    = 2;
1060 uschar *remote_sort_domains    = NULL;
1061 int     retry_data_expire      = 7*24*60*60;
1062 int     retry_interval_max     = 24*60*60;
1063 int     retry_maximum_timeout  = 0;        /* set from retry config */
1064 retry_config  *retries         = NULL;
1065 uschar *return_path            = NULL;
1066 BOOL    return_path_remove     = TRUE;
1067 int     rewrite_existflags     = 0;
1068 uschar *rfc1413_hosts          = US"*";
1069 int     rfc1413_query_timeout  = 5;
1070 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1071 uid_t   root_gid               = ROOT_GID;
1072 uid_t   root_uid               = ROOT_UID;
1073
1074 router_instance  *routers  = NULL;
1075 router_instance  router_defaults = {
1076     NULL,                      /* chain pointer */
1077     NULL,                      /* name */
1078     NULL,                      /* info */
1079     NULL,                      /* private options block pointer */
1080     NULL,                      /* driver name */
1081
1082     NULL,                      /* address_data */
1083 #ifdef EXPERIMENTAL_BRIGHTMAIL
1084     NULL,                      /* bmi_rule */
1085 #endif
1086     NULL,                      /* cannot_route_message */
1087     NULL,                      /* condition */
1088     NULL,                      /* current_directory */
1089     NULL,                      /* debug_string */
1090     NULL,                      /* domains */
1091     NULL,                      /* errors_to */
1092     NULL,                      /* expand_gid */
1093     NULL,                      /* expand_uid */
1094     NULL,                      /* expand_more */
1095     NULL,                      /* expand_unseen */
1096     NULL,                      /* extra_headers */
1097     NULL,                      /* fallback_hosts */
1098     NULL,                      /* home_directory */
1099     NULL,                      /* ignore_target_hosts */
1100     NULL,                      /* local_parts */
1101     NULL,                      /* pass_router_name */
1102     NULL,                      /* prefix */
1103     NULL,                      /* redirect_router_name */
1104     NULL,                      /* remove_headers */
1105     NULL,                      /* require_files */
1106     NULL,                      /* router_home_directory */
1107     US"freeze",                /* self */
1108     NULL,                      /* senders */
1109     NULL,                      /* suffix */
1110     NULL,                      /* translate_ip_address */
1111     NULL,                      /* transport_name */
1112
1113     TRUE,                      /* address_test */
1114 #ifdef EXPERIMENTAL_BRIGHTMAIL
1115     FALSE,                     /* bmi_deliver_alternate */
1116     FALSE,                     /* bmi_deliver_default */
1117     FALSE,                     /* bmi_dont_deliver */
1118 #endif
1119     TRUE,                      /* expn */
1120     FALSE,                     /* caseful_local_part */
1121     FALSE,                     /* check_local_user */
1122     FALSE,                     /* disable_logging */
1123     FALSE,                     /* fail_verify_recipient */
1124     FALSE,                     /* fail_verify_sender */
1125     FALSE,                     /* gid_set */
1126     FALSE,                     /* initgroups */
1127     TRUE_UNSET,                /* log_as_local */
1128     TRUE,                      /* more */
1129     FALSE,                     /* pass_on_timeout */
1130     FALSE,                     /* prefix_optional */
1131     TRUE,                      /* repeat_use */
1132     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1133     FALSE,                     /* same_domain_copy_routing */
1134     FALSE,                     /* self_rewrite */
1135     FALSE,                     /* suffix_optional */
1136     FALSE,                     /* verify_only */
1137     TRUE,                      /* verify_recipient */
1138     TRUE,                      /* verify_sender */
1139     FALSE,                     /* uid_set */
1140     FALSE,                     /* unseen */
1141 #ifdef EXPERIMENTAL_DSN
1142     FALSE,                     /* dsn_lasthop */
1143 #endif
1144
1145     self_freeze,               /* self_code */
1146     (uid_t)(-1),               /* uid */
1147     (gid_t)(-1),               /* gid */
1148
1149     NULL,                      /* fallback_hostlist */
1150     NULL,                      /* transport instance */
1151     NULL,                      /* pass_router */
1152     NULL                       /* redirect_router */
1153 };
1154
1155 uschar *router_name            = NULL;
1156
1157 ip_address_item *running_interfaces = NULL;
1158 BOOL    running_in_test_harness = FALSE;
1159
1160 /* This is a weird one. The following string gets patched in the binary by the
1161 script that sets up a copy of Exim for running in the test harness. It seems
1162 that compilers are now clever, and share constant strings if they can.
1163 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1164 make use of the end of this string in order to save space. So the patching then
1165 wrecks this. We defeat this optimization by adding some additional characters
1166 onto the end of the string. */
1167
1168 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1169
1170 int     runrc                  = 0;
1171
1172 uschar *search_error_message   = NULL;
1173 BOOL    search_find_defer      = FALSE;
1174 uschar *self_hostname          = NULL;
1175 uschar *sender_address         = NULL;
1176 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1177 uschar *sender_address_data    = NULL;
1178 BOOL    sender_address_forced  = FALSE;
1179 uschar *sender_address_unrewritten = NULL;
1180 uschar *sender_data            = NULL;
1181 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1182 uschar *sender_fullhost        = NULL;
1183 uschar *sender_helo_name       = NULL;
1184 uschar **sender_host_aliases   = &no_aliases;
1185 uschar *sender_host_address    = NULL;
1186 uschar *sender_host_authenticated = NULL;
1187 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1188 BOOL    sender_host_dnssec     = FALSE;
1189 uschar *sender_host_name       = NULL;
1190 int     sender_host_port       = 0;
1191 BOOL    sender_host_notsocket  = FALSE;
1192 BOOL    sender_host_unknown    = FALSE;
1193 uschar *sender_ident           = NULL;
1194 BOOL    sender_local           = FALSE;
1195 BOOL    sender_name_forced     = FALSE;
1196 uschar *sender_rate            = NULL;
1197 uschar *sender_rate_limit      = NULL;
1198 uschar *sender_rate_period     = NULL;
1199 uschar *sender_rcvhost         = NULL;
1200 BOOL    sender_set_untrusted   = FALSE;
1201 uschar *sender_unqualified_hosts = NULL;
1202 uschar *sender_verify_failure = NULL;
1203 address_item *sender_verified_list  = NULL;
1204 address_item *sender_verified_failed = NULL;
1205 int     sender_verified_rc     = -1;
1206 BOOL    sender_verified_responded = FALSE;
1207 uschar *sending_ip_address     = NULL;
1208 int     sending_port           = -1;
1209 SIGNAL_BOOL sigalrm_seen       = FALSE;
1210 uschar **sighup_argv           = NULL;
1211 int     smtp_accept_count      = 0;
1212 BOOL    smtp_accept_keepalive  = TRUE;
1213 int     smtp_accept_max        = 20;
1214 int     smtp_accept_max_nonmail= 10;
1215 uschar *smtp_accept_max_nonmail_hosts = US"*";
1216 int     smtp_accept_max_per_connection = 1000;
1217 uschar *smtp_accept_max_per_host = NULL;
1218 int     smtp_accept_queue      = 0;
1219 int     smtp_accept_queue_per_connection = 10;
1220 int     smtp_accept_reserve    = 0;
1221 uschar *smtp_active_hostname   = NULL;
1222 BOOL    smtp_authenticated     = FALSE;
1223 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1224                              "Exim $version_number $tod_full"
1225                              "\0<---------------Space to patch smtp_banner->";
1226 BOOL    smtp_batched_input     = FALSE;
1227 BOOL    smtp_check_spool_space = TRUE;
1228 int     smtp_ch_index          = 0;
1229 uschar *smtp_cmd_argument      = NULL;
1230 uschar *smtp_cmd_buffer        = NULL;
1231 time_t  smtp_connection_start  = 0;
1232 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1233 int     smtp_connect_backlog   = 20;
1234 double  smtp_delay_mail        = 0.0;
1235 double  smtp_delay_rcpt        = 0.0;
1236 BOOL    smtp_enforce_sync      = TRUE;
1237 FILE   *smtp_in                = NULL;
1238 BOOL    smtp_input             = FALSE;
1239 int     smtp_load_reserve      = -1;
1240 int     smtp_mailcmd_count     = 0;
1241 FILE   *smtp_out               = NULL;
1242 uschar *smtp_etrn_command      = NULL;
1243 BOOL    smtp_etrn_serialize    = TRUE;
1244 int     smtp_max_synprot_errors= 3;
1245 int     smtp_max_unknown_commands = 3;
1246 uschar *smtp_notquit_reason    = NULL;
1247 uschar *smtp_ratelimit_hosts   = NULL;
1248 uschar *smtp_ratelimit_mail    = NULL;
1249 uschar *smtp_ratelimit_rcpt    = NULL;
1250 uschar *smtp_read_error        = US"";
1251 int     smtp_receive_timeout   = 5*60;
1252 uschar *smtp_reserve_hosts     = NULL;
1253 BOOL    smtp_return_error_details = FALSE;
1254 int     smtp_rlm_base          = 0;
1255 double  smtp_rlm_factor        = 0.0;
1256 int     smtp_rlm_limit         = 0;
1257 int     smtp_rlm_threshold     = INT_MAX;
1258 int     smtp_rlr_base          = 0;
1259 double  smtp_rlr_factor        = 0.0;
1260 int     smtp_rlr_limit         = 0;
1261 int     smtp_rlr_threshold     = INT_MAX;
1262 BOOL    smtp_use_pipelining    = FALSE;
1263 BOOL    smtp_use_size          = FALSE;
1264
1265 #ifdef WITH_CONTENT_SCAN
1266 uschar *spamd_address          = US"127.0.0.1 783";
1267 uschar *spam_bar               = NULL;
1268 uschar *spam_report            = NULL;
1269 uschar *spam_score             = NULL;
1270 uschar *spam_score_int         = NULL;
1271 #endif
1272 #ifdef EXPERIMENTAL_SPF
1273 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1274 uschar *spf_header_comment     = NULL;
1275 uschar *spf_received           = NULL;
1276 uschar *spf_result             = NULL;
1277 uschar *spf_smtp_comment       = NULL;
1278 #endif
1279
1280 BOOL    split_spool_directory  = FALSE;
1281 uschar *spool_directory        = US SPOOL_DIRECTORY
1282                            "\0<--------------Space to patch spool_directory->";
1283 #ifdef EXPERIMENTAL_SRS
1284 uschar *srs_config             = NULL;
1285 uschar *srs_db_address         = NULL;
1286 uschar *srs_db_key             = NULL;
1287 int     srs_hashlength         = 6;
1288 int     srs_hashmin            = -1;
1289 int     srs_maxage             = 31;
1290 uschar *srs_orig_recipient     = NULL;
1291 uschar *srs_orig_sender        = NULL;
1292 uschar *srs_recipient          = NULL;
1293 uschar *srs_secrets            = NULL;
1294 uschar *srs_status             = NULL;
1295 BOOL    srs_usehash            = TRUE;
1296 BOOL    srs_usetimestamp       = TRUE;
1297 #endif
1298 BOOL    strict_acl_vars        = FALSE;
1299 int     string_datestamp_offset= -1;
1300 int     string_datestamp_length= 0;
1301 int     string_datestamp_type  = -1;
1302 BOOL    strip_excess_angle_brackets = FALSE;
1303 BOOL    strip_trailing_dot     = FALSE;
1304 uschar *submission_domain      = NULL;
1305 BOOL    submission_mode        = FALSE;
1306 uschar *submission_name        = NULL;
1307 BOOL    suppress_local_fixups  = FALSE;
1308 BOOL    suppress_local_fixups_default = FALSE;
1309 BOOL    synchronous_delivery   = FALSE;
1310 BOOL    syslog_duplication     = TRUE;
1311 int     syslog_facility        = LOG_MAIL;
1312 uschar *syslog_processname     = US"exim";
1313 BOOL    syslog_timestamp       = TRUE;
1314 uschar *system_filter          = NULL;
1315
1316 uschar *system_filter_directory_transport = NULL;
1317 uschar *system_filter_file_transport = NULL;
1318 uschar *system_filter_pipe_transport = NULL;
1319 uschar *system_filter_reply_transport = NULL;
1320
1321 gid_t   system_filter_gid      = 0;
1322 BOOL    system_filter_gid_set  = FALSE;
1323 uid_t   system_filter_uid      = (uid_t)-1;
1324 BOOL    system_filter_uid_set  = FALSE;
1325 BOOL    system_filtering       = FALSE;
1326
1327 BOOL    tcp_nodelay            = TRUE;
1328 #ifdef USE_TCP_WRAPPERS
1329 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1330 #endif
1331 int     test_harness_load_avg  = 0;
1332 int     thismessage_size_limit = 0;
1333 int     timeout_frozen_after   = 0;
1334 BOOL    timestamps_utc         = FALSE;
1335
1336 #ifdef EXPERIMENTAL_TPDA
1337 int     tpda_defer_errno        = 0;
1338 uschar *tpda_defer_errstr       = NULL;
1339 uschar *tpda_delivery_ip        = NULL;
1340 int     tpda_delivery_port      = 0;
1341 uschar *tpda_delivery_fqdn      = NULL;
1342 uschar *tpda_delivery_local_part= NULL;
1343 uschar *tpda_delivery_domain    = NULL;
1344 uschar *tpda_delivery_confirmation = NULL;
1345 #endif
1346
1347 transport_instance  *transports = NULL;
1348
1349 transport_instance  transport_defaults = {
1350     NULL,                     /* chain pointer */
1351     NULL,                     /* name */
1352     NULL,                     /* info */
1353     NULL,                     /* private options block pointer */
1354     NULL,                     /* driver name */
1355     NULL,                     /* setup entry point */
1356     1,                        /* batch_max */
1357     NULL,                     /* batch_id */
1358     NULL,                     /* home_dir */
1359     NULL,                     /* current_dir */
1360     TRUE,                     /* multi-domain */
1361     FALSE,                    /* overrides_hosts */
1362     100,                      /* max_addresses */
1363     500,                      /* connection_max_messages */
1364     FALSE,                    /* deliver_as_creator */
1365     FALSE,                    /* disable_logging */
1366     FALSE,                    /* initgroups */
1367     FALSE,                    /* uid_set */
1368     FALSE,                    /* gid_set */
1369     (uid_t)(-1),              /* uid */
1370     (gid_t)(-1),              /* gid */
1371     NULL,                     /* expand_uid */
1372     NULL,                     /* expand_gid */
1373     NULL,                     /* warn_message */
1374     NULL,                     /* shadow */
1375     NULL,                     /* shadow_condition */
1376     NULL,                     /* filter_command */
1377     NULL,                     /* add_headers */
1378     NULL,                     /* remove_headers */
1379     NULL,                     /* return_path */
1380     NULL,                     /* debug_string */
1381     NULL,                     /* message_size_limit */
1382     NULL,                     /* headers_rewrite */
1383     NULL,                     /* rewrite_rules */
1384     0,                        /* rewrite_existflags */
1385     300,                      /* filter_timeout */
1386     FALSE,                    /* body_only */
1387     FALSE,                    /* delivery_date_add */
1388     FALSE,                    /* envelope_to_add */
1389     FALSE,                    /* headers_only */
1390     FALSE,                    /* rcpt_include_affixes */
1391     FALSE,                    /* return_path_add */
1392     FALSE,                    /* return_output */
1393     FALSE,                    /* return_fail_output */
1394     FALSE,                    /* log_output */
1395     FALSE,                    /* log_fail_output */
1396     FALSE,                    /* log_defer_output */
1397     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1398                                  1 nor 0 so can detect unset */
1399 #ifdef EXPERIMENTAL_TPDA
1400    ,NULL                      /* tpda_delivery_action */
1401 #endif
1402 };
1403
1404 int     transport_count;
1405 uschar *transport_name          = NULL;
1406 int     transport_newlines;
1407 uschar **transport_filter_argv  = NULL;
1408 int     transport_filter_timeout;
1409 BOOL    transport_filter_timed_out = FALSE;
1410 int     transport_write_timeout= 0;
1411
1412 tree_node  *tree_dns_fails     = NULL;
1413 tree_node  *tree_duplicates    = NULL;
1414 tree_node  *tree_nonrecipients = NULL;
1415 tree_node  *tree_unusable      = NULL;
1416
1417 BOOL    trusted_caller         = FALSE;
1418 BOOL    trusted_config         = TRUE;
1419 gid_t  *trusted_groups         = NULL;
1420 uid_t  *trusted_users          = NULL;
1421 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1422
1423 uschar *unknown_login          = NULL;
1424 uschar *unknown_username       = NULL;
1425 uschar *untrusted_set_sender   = NULL;
1426
1427 /*  A regex for matching a "From_" line in an incoming message, in the form
1428
1429     From ph10 Fri Jan  5 12:35 GMT 1996
1430
1431 which  the "mail" commands send to the MTA (undocumented, of course), or in
1432 the  form
1433
1434     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1435
1436 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1437 Because  of variations in time formats, just match up to the minutes. That
1438 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1439 so  just require one digit for hours and minutes. The weekday is also absent
1440 in  some forms. */
1441
1442 uschar *uucp_from_pattern      = US
1443    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1444    "(?:"                                          /* Non-extracting bracket */
1445    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1446    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1447    ")"                                            /* End alternation */
1448    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1449
1450 uschar *uucp_from_sender       = US"$1";
1451
1452 uschar *warn_message_file      = NULL;
1453 uschar *warnmsg_delay          = NULL;
1454 uschar *warnmsg_recipients     = NULL;
1455 BOOL    write_rejectlog        = TRUE;
1456
1457 uschar *version_copyright      =
1458  US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1459    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1460 uschar *version_date           = US"?";
1461 uschar *version_cnumber        = US"????";
1462 uschar *version_string         = US"?";
1463
1464 int     warning_count          = 0;
1465
1466 /*  End of globals.c */