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  0,    /* tlsa_usage */
 109 #endif
 110  NULL, /* tls_cipher */
 111  FALSE,/* tls_on_connect */
 112  NULL, /* tls_on_connect_ports */
 113  NULL, /* tls_ourcert */
 114  NULL, /* tls_peercert */
 115  NULL, /* tls_peerdn */
 116  NULL, /* tls_sni */
 117  0     /* tls_ocsp */
 118 };
 119 tls_support tls_out = {
 120  -1,   /* tls_active */
 121  0,    /* tls_bits */
 122  FALSE,/* tls_certificate_verified */
 123 #ifdef EXPERIMENTAL_DANE
 124  FALSE,/* dane_verified */
 125  0,    /* tlsa_usage */
 126 #endif
 127  NULL, /* tls_cipher */
 128  FALSE,/* tls_on_connect */
 129  NULL, /* tls_on_connect_ports */
 130  NULL, /* tls_ourcert */
 131  NULL, /* tls_peercert */
 132  NULL, /* tls_peerdn */
 133  NULL, /* tls_sni */
 134  0     /* tls_ocsp */
 135 };
 136
 137 #ifdef EXPERIMENTAL_DSN
 138 uschar *dsn_envid              = NULL;
 139 int     dsn_ret                = 0;
 140 const pcre  *regex_DSN         = NULL;
 141 BOOL    smtp_use_dsn           = FALSE;
 142 uschar *dsn_advertise_hosts    = NULL;
 143 #endif
 144
 145 #ifdef SUPPORT_TLS
 146 BOOL    gnutls_compat_mode     = FALSE;
 147 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 148 uschar *gnutls_require_mac     = NULL;
 149 uschar *gnutls_require_kx      = NULL;
 150 uschar *gnutls_require_proto   = NULL;
 151 uschar *openssl_options        = NULL;
 152 const pcre *regex_STARTTLS     = NULL;
 153 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 154 uschar *tls_certificate        = NULL;
 155 uschar *tls_crl                = NULL;
 156 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 157 that's the interop problem which has been observed: GnuTLS suggesting a higher
 158 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 159 int     tls_dh_max_bits        = 2236;
 160 uschar *tls_dhparam            = NULL;
 161 #ifndef DISABLE_OCSP
 162 uschar *tls_ocsp_file          = NULL;
 163 #endif
 164 BOOL    tls_offered            = FALSE;
 165 uschar *tls_privatekey         = NULL;
 166 BOOL    tls_remember_esmtp     = FALSE;
 167 uschar *tls_require_ciphers    = NULL;
 168 uschar *tls_try_verify_hosts   = NULL;
 169 uschar *tls_verify_certificates= NULL;
 170 uschar *tls_verify_hosts       = NULL;
 171 #endif
 172
 173 #ifndef DISABLE_PRDR
 174 /* Per Recipient Data Response variables */
 175 BOOL    prdr_enable            = FALSE;
 176 BOOL    prdr_requested         = FALSE;
 177 const pcre *regex_PRDR         = NULL;
 178 #endif
 179
 180 /* Input-reading functions for messages, so we can use special ones for
 181 incoming TCP/IP. The defaults use stdin. We never need these for any
 182 stand-alone tests. */
 183
 184 #ifndef STAND_ALONE
 185 int (*receive_getc)(void)      = stdin_getc;
 186 int (*receive_ungetc)(int)     = stdin_ungetc;
 187 int (*receive_feof)(void)      = stdin_feof;
 188 int (*receive_ferror)(void)    = stdin_ferror;
 189 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 190 #endif
 191
 192
 193 /* List of per-address expansion variables for clearing and saving/restoring
 194 when verifying one address while routing/verifying another. We have to have
 195 the size explicit, because it is referenced from more than one module. */
 196
 197 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 198   &deliver_address_data,
 199   &deliver_domain,
 200   &deliver_domain_data,
 201   &deliver_domain_orig,
 202   &deliver_domain_parent,
 203   &deliver_localpart,
 204   &deliver_localpart_data,
 205   &deliver_localpart_orig,
 206   &deliver_localpart_parent,
 207   &deliver_localpart_prefix,
 208   &deliver_localpart_suffix,
 209   (uschar **)(&deliver_recipients),
 210   &deliver_host,
 211   &deliver_home,
 212   &address_file,
 213   &address_pipe,
 214   &self_hostname,
 215   NULL };
 216
 217 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 218
 219 /* General global variables */
 220
 221 header_line *acl_added_headers = NULL;
 222 tree_node *acl_anchor          = NULL;
 223 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 224                                   NULL, NULL, NULL, NULL};
 225 int     acl_narg               = 0;
 226
 227 uschar *acl_not_smtp           = NULL;
 228 #ifdef WITH_CONTENT_SCAN
 229 uschar *acl_not_smtp_mime      = NULL;
 230 #endif
 231 uschar *acl_not_smtp_start     = NULL;
 232 uschar *acl_removed_headers    = NULL;
 233 uschar *acl_smtp_auth          = NULL;
 234 uschar *acl_smtp_connect       = NULL;
 235 uschar *acl_smtp_data          = NULL;
 236 #ifndef DISABLE_PRDR
 237 uschar *acl_smtp_data_prdr     = NULL;
 238 #endif
 239 #ifndef DISABLE_DKIM
 240 uschar *acl_smtp_dkim          = NULL;
 241 #endif
 242 uschar *acl_smtp_etrn          = NULL;
 243 uschar *acl_smtp_expn          = NULL;
 244 uschar *acl_smtp_helo          = NULL;
 245 uschar *acl_smtp_mail          = NULL;
 246 uschar *acl_smtp_mailauth      = NULL;
 247 #ifdef WITH_CONTENT_SCAN
 248 uschar *acl_smtp_mime          = NULL;
 249 #endif
 250 uschar *acl_smtp_notquit       = NULL;
 251 uschar *acl_smtp_predata       = NULL;
 252 uschar *acl_smtp_quit          = NULL;
 253 uschar *acl_smtp_rcpt          = NULL;
 254 uschar *acl_smtp_starttls      = NULL;
 255 uschar *acl_smtp_vrfy          = NULL;
 256
 257 BOOL    acl_temp_details       = FALSE;
 258 tree_node *acl_var_c           = NULL;
 259 tree_node *acl_var_m           = NULL;
 260 uschar *acl_verify_message     = NULL;
 261 string_item *acl_warn_logged   = NULL;
 262
 263 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 264 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 265
 266 uschar *acl_wherenames[]       = { US"RCPT",
 267                                    US"MAIL",
 268                                    US"PREDATA",
 269                                    US"MIME",
 270                                    US"DKIM",
 271                                    US"DATA",
 272 #ifndef DISABLE_PRDR
 273                                    US"PRDR",
 274 #endif
 275                                    US"non-SMTP",
 276                                    US"AUTH",
 277                                    US"connection",
 278                                    US"ETRN",
 279                                    US"EXPN",
 280                                    US"EHLO or HELO",
 281                                    US"MAILAUTH",
 282                                    US"non-SMTP-start",
 283                                    US"NOTQUIT",
 284                                    US"QUIT",
 285                                    US"STARTTLS",
 286                                    US"VRFY",
 287                                    US"delivery",
 288                                    US"unknown"
 289                                  };
 290
 291 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 292                                    US"550",     /* MAIL */
 293                                    US"550",     /* PREDATA */
 294                                    US"550",     /* MIME */
 295                                    US"550",     /* DKIM */
 296                                    US"550",     /* DATA */
 297 #ifndef DISABLE_PRDR
 298                                    US"550",    /* RCPT PRDR */
 299 #endif
 300                                    US"0",       /* not SMTP; not relevant */
 301                                    US"503",     /* AUTH */
 302                                    US"550",     /* connect */
 303                                    US"458",     /* ETRN */
 304                                    US"550",     /* EXPN */
 305                                    US"550",     /* HELO/EHLO */
 306                                    US"0",       /* MAILAUTH; not relevant */
 307                                    US"0",       /* not SMTP; not relevant */
 308                                    US"0",       /* NOTQUIT; not relevant */
 309                                    US"0",       /* QUIT; not relevant */
 310                                    US"550",     /* STARTTLS */
 311                                    US"252",     /* VRFY */
 312                                    US"0",       /* delivery; not relevant */
 313                                    US"0"        /* unknown; not relevant */
 314                                  };
 315
 316 BOOL    active_local_from_check = FALSE;
 317 BOOL    active_local_sender_retain = FALSE;
 318 int     body_8bitmime = 0;
 319 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 320 address_item  *addr_duplicate  = NULL;
 321
 322 address_item address_defaults = {
 323   NULL,                 /* next */
 324   NULL,                 /* parent */
 325   NULL,                 /* first */
 326   NULL,                 /* dupof */
 327   NULL,                 /* start_router */
 328   NULL,                 /* router */
 329   NULL,                 /* transport */
 330   NULL,                 /* host_list */
 331   NULL,                 /* host_used */
 332   NULL,                 /* fallback_hosts */
 333   NULL,                 /* reply */
 334   NULL,                 /* retries */
 335   NULL,                 /* address */
 336   NULL,                 /* unique */
 337   NULL,                 /* cc_local_part */
 338   NULL,                 /* lc_local_part */
 339   NULL,                 /* local_part */
 340   NULL,                 /* prefix */
 341   NULL,                 /* suffix */
 342   NULL,                 /* domain */
 343   NULL,                 /* address_retry_key */
 344   NULL,                 /* domain_retry_key */
 345   NULL,                 /* current_dir */
 346   NULL,                 /* home_dir */
 347   NULL,                 /* message */
 348   NULL,                 /* user_message */
 349   NULL,                 /* onetime_parent */
 350   NULL,                 /* pipe_expandn */
 351   NULL,                 /* return_filename */
 352   NULL,                 /* self_hostname */
 353   NULL,                 /* shadow_message */
 354   #ifdef SUPPORT_TLS
 355   NULL,                 /* cipher */
 356   NULL,                 /* ourcert */
 357   NULL,                 /* peercert */
 358   NULL,                 /* peerdn */
 359   OCSP_NOT_REQ,         /* ocsp */
 360   #endif
 361   NULL,                 /* authenticator */
 362   NULL,                 /* auth_id */
 363   NULL,                 /* auth_sndr */
 364   #ifdef EXPERIMENTAL_DSN
 365   NULL,                 /* dsn_orcpt */
 366   0,                    /* dsn_flags */
 367   0,                    /* dsn_aware */
 368   #endif
 369   (uid_t)(-1),          /* uid */
 370   (gid_t)(-1),          /* gid */
 371   0,                    /* flags */
 372   { 0 },                /* domain_cache - any larger array should be zeroed */
 373   { 0 },                /* localpart_cache - ditto */
 374   -1,                   /* mode */
 375   0,                    /* more_errno */
 376   ERRNO_UNKNOWNERROR,   /* basic_errno */
 377   0,                    /* child_count */
 378   -1,                   /* return_file */
 379   SPECIAL_NONE,         /* special_action */
 380   DEFER,                /* transport_return */
 381   {                     /* fields that are propagated to children */
 382     NULL,               /* address_data */
 383     NULL,               /* domain_data */
 384     NULL,               /* localpart_data */
 385     NULL,               /* errors_address */
 386     NULL,               /* extra_headers */
 387     NULL,               /* remove_headers */
 388 #ifdef EXPERIMENTAL_SRS
 389     NULL,               /* srs_sender */
 390 #endif
 391   }
 392 };
 393
 394 uschar *address_file           = NULL;
 395 uschar *address_pipe           = NULL;
 396 BOOL    address_test_mode      = FALSE;
 397 tree_node *addresslist_anchor  = NULL;
 398 int     addresslist_count      = 0;
 399 gid_t  *admin_groups           = NULL;
 400 BOOL    admin_user             = FALSE;
 401 BOOL    allow_auth_unadvertised= FALSE;
 402 BOOL    allow_domain_literals  = FALSE;
 403 BOOL    allow_mx_to_ip         = FALSE;
 404 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 405 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 406 BOOL    allow_utf8_domains     = FALSE;
 407 uschar *authenticated_fail_id  = NULL;
 408 uschar *authenticated_id       = NULL;
 409 uschar *authenticated_sender   = NULL;
 410 BOOL    authentication_failed  = FALSE;
 411 auth_instance  *auths          = NULL;
 412 uschar *auth_advertise_hosts   = US"*";
 413 auth_instance auth_defaults    = {
 414     NULL,                      /* chain pointer */
 415     NULL,                      /* name */
 416     NULL,                      /* info */
 417     NULL,                      /* private options block pointer */
 418     NULL,                      /* driver_name */
 419     NULL,                      /* advertise_condition */
 420     NULL,                      /* client_condition */
 421     NULL,                      /* public_name */
 422     NULL,                      /* set_id */
 423     NULL,                      /* set_client_id */
 424     NULL,                      /* server_mail_auth_condition */
 425     NULL,                      /* server_debug_string */
 426     NULL,                      /* server_condition */
 427     FALSE,                     /* client */
 428     FALSE,                     /* server */
 429     FALSE                      /* advertised */
 430 };
 431
 432 uschar *auth_defer_msg         = US"reason not recorded";
 433 uschar *auth_defer_user_msg    = US"";
 434 uschar *auth_vars[AUTH_VARS];
 435 int     auto_thaw              = 0;
 436 #ifdef WITH_CONTENT_SCAN
 437 BOOL    av_failed              = FALSE;
 438 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 439 #endif
 440
 441 BOOL    background_daemon      = TRUE;
 442
 443 #if BASE_62 == 62
 444 uschar *base62_chars=
 445     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 446 #else
 447 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 448 #endif
 449
 450 uschar *bi_command             = NULL;
 451 uschar *big_buffer             = NULL;
 452 int     big_buffer_size        = BIG_BUFFER_SIZE;
 453 #ifdef EXPERIMENTAL_BRIGHTMAIL
 454 uschar *bmi_alt_location       = NULL;
 455 uschar *bmi_base64_tracker_verdict = NULL;
 456 uschar *bmi_base64_verdict     = NULL;
 457 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 458 int     bmi_deliver            = 1;
 459 int     bmi_run                = 0;
 460 uschar *bmi_verdicts           = NULL;
 461 #endif
 462 int     body_linecount         = 0;
 463 int     body_zerocount         = 0;
 464 uschar *bounce_message_file    = NULL;
 465 uschar *bounce_message_text    = NULL;
 466 uschar *bounce_recipient       = NULL;
 467 BOOL    bounce_return_body     = TRUE;
 468 BOOL    bounce_return_message  = TRUE;
 469 int     bounce_return_size_limit = 100*1024;
 470 uschar *bounce_sender_authentication = NULL;
 471 int     bsmtp_transaction_linecount = 0;
 472
 473 int     callout_cache_domain_positive_expire = 7*24*60*60;
 474 int     callout_cache_domain_negative_expire = 3*60*60;
 475 int     callout_cache_positive_expire = 24*60*60;
 476 int     callout_cache_negative_expire = 2*60*60;
 477 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 478 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 479 int     check_log_inodes       = 0;
 480 int     check_log_space        = 0;
 481 BOOL    check_rfc2047_length   = TRUE;
 482 int     check_spool_inodes     = 0;
 483 int     check_spool_space      = 0;
 484 uschar  *client_authenticator  = NULL;
 485 uschar  *client_authenticated_id = NULL;
 486 uschar  *client_authenticated_sender = NULL;
 487 int     clmacro_count          = 0;
 488 uschar *clmacros[MAX_CLMACROS];
 489 BOOL    config_changed         = FALSE;
 490 FILE   *config_file            = NULL;
 491 uschar *config_filename        = NULL;
 492 int     config_lineno          = 0;
 493 #ifdef CONFIGURE_GROUP
 494 gid_t   config_gid             = CONFIGURE_GROUP;
 495 #endif
 496 uschar *config_main_filelist   = US CONFIGURE_FILE
 497                          "\0<-----------Space to patch configure_filename->";
 498 uschar *config_main_filename   = NULL;
 499
 500 #ifdef CONFIGURE_OWNER
 501 uid_t   config_uid             = CONFIGURE_OWNER;
 502 #endif
 503
 504 int     connection_max_messages= -1;
 505 uschar *continue_hostname      = NULL;
 506 uschar *continue_host_address  = NULL;
 507 BOOL    continue_more          = FALSE;
 508 int     continue_sequence      = 1;
 509 uschar *continue_transport     = NULL;
 510
 511 uschar *csa_status             = NULL;
 512 BOOL    cutthrough_delivery    = FALSE;
 513 int     cutthrough_fd          = -1;
 514
 515 BOOL    daemon_listen          = FALSE;
 516 uschar *daemon_smtp_port       = US"smtp";
 517 int     daemon_startup_retries = 9;
 518 int     daemon_startup_sleep   = 30;
 519
 520 #ifdef EXPERIMENTAL_DCC
 521 BOOL    dcc_direct_add_header  = FALSE;
 522 uschar *dcc_header             = NULL;
 523 uschar *dcc_result             = NULL;
 524 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 525 uschar *dccifd_options         = US"header";
 526 #endif
 527
 528 BOOL    debug_daemon           = FALSE;
 529 int     debug_fd               = -1;
 530 FILE   *debug_file             = NULL;
 531 bit_table debug_options[]      = {
 532   { US"acl",            D_acl },
 533   { US"all",            D_all },
 534   { US"auth",           D_auth },
 535   { US"deliver",        D_deliver },
 536   { US"dns",            D_dns },
 537   { US"dnsbl",          D_dnsbl },
 538   { US"exec",           D_exec },
 539   { US"expand",         D_expand },
 540   { US"filter",         D_filter },
 541   { US"hints_lookup",   D_hints_lookup },
 542   { US"host_lookup",    D_host_lookup },
 543   { US"ident",          D_ident },
 544   { US"interface",      D_interface },
 545   { US"lists",          D_lists },
 546   { US"load",           D_load },
 547   { US"local_scan",     D_local_scan },
 548   { US"lookup",         D_lookup },
 549   { US"memory",         D_memory },
 550   { US"pid",            D_pid },
 551   { US"process_info",   D_process_info },
 552   { US"queue_run",      D_queue_run },
 553   { US"receive",        D_receive },
 554   { US"resolver",       D_resolver },
 555   { US"retry",          D_retry },
 556   { US"rewrite",        D_rewrite },
 557   { US"route",          D_route },
 558   { US"timestamp",      D_timestamp },
 559   { US"tls",            D_tls },
 560   { US"transport",      D_transport },
 561   { US"uid",            D_uid },
 562   { US"verify",         D_verify }
 563 };
 564 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 565 unsigned int debug_selector    = 0;
 566 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 567 uschar *delay_warning_condition=
 568   US"${if or {"
 569             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 570             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 571             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 572             "} {no}{yes}}";
 573 BOOL    delivery_date_remove   = TRUE;
 574 uschar *deliver_address_data   = NULL;
 575 int     deliver_datafile       = -1;
 576 uschar *deliver_domain         = NULL;
 577 uschar *deliver_domain_data    = NULL;
 578 uschar *deliver_domain_orig    = NULL;
 579 uschar *deliver_domain_parent  = NULL;
 580 BOOL    deliver_drop_privilege = FALSE;
 581 BOOL    deliver_firsttime      = FALSE;
 582 BOOL    deliver_force          = FALSE;
 583 BOOL    deliver_freeze         = FALSE;
 584 time_t  deliver_frozen_at      = 0;
 585 uschar *deliver_home           = NULL;
 586 uschar *deliver_host           = NULL;
 587 uschar *deliver_host_address   = NULL;
 588 uschar *deliver_in_buffer      = NULL;
 589 ino_t   deliver_inode          = 0;
 590 uschar *deliver_localpart      = NULL;
 591 uschar *deliver_localpart_data = NULL;
 592 uschar *deliver_localpart_orig = NULL;
 593 uschar *deliver_localpart_parent = NULL;
 594 uschar *deliver_localpart_prefix = NULL;
 595 uschar *deliver_localpart_suffix = NULL;
 596 BOOL    deliver_force_thaw     = FALSE;
 597 BOOL    deliver_manual_thaw    = FALSE;
 598 uschar *deliver_out_buffer     = NULL;
 599 int     deliver_queue_load_max = -1;
 600 address_item  *deliver_recipients = NULL;
 601 uschar *deliver_selectstring   = NULL;
 602 BOOL    deliver_selectstring_regex = FALSE;
 603 uschar *deliver_selectstring_sender = NULL;
 604 BOOL    deliver_selectstring_sender_regex = FALSE;
 605 #ifdef WITH_OLD_DEMIME
 606 int     demime_errorlevel      = 0;
 607 int     demime_ok              = 0;
 608 uschar *demime_reason          = NULL;
 609 #endif
 610 BOOL    disable_callout_flush  = FALSE;
 611 BOOL    disable_delay_flush    = FALSE;
 612 #ifdef ENABLE_DISABLE_FSYNC
 613 BOOL    disable_fsync          = FALSE;
 614 #endif
 615 BOOL    disable_ipv6           = FALSE;
 616 BOOL    disable_logging        = FALSE;
 617
 618 #ifndef DISABLE_DKIM
 619 uschar *dkim_cur_signer          = NULL;
 620 uschar *dkim_signers             = NULL;
 621 uschar *dkim_signing_domain      = NULL;
 622 uschar *dkim_signing_selector    = NULL;
 623 uschar *dkim_verify_signers      = US"$dkim_signers";
 624 BOOL    dkim_collect_input       = FALSE;
 625 BOOL    dkim_disable_verify      = FALSE;
 626 #endif
 627 #ifdef EXPERIMENTAL_DMARC
 628 BOOL    dmarc_has_been_checked  = FALSE;
 629 uschar *dmarc_ar_header         = NULL;
 630 uschar *dmarc_domain_policy     = NULL;
 631 uschar *dmarc_forensic_sender   = NULL;
 632 uschar *dmarc_history_file      = NULL;
 633 uschar *dmarc_status            = NULL;
 634 uschar *dmarc_status_text       = NULL;
 635 uschar *dmarc_tld_file          = NULL;
 636 uschar *dmarc_used_domain       = NULL;
 637 BOOL    dmarc_disable_verify    = FALSE;
 638 BOOL    dmarc_enable_forensic   = FALSE;
 639 #endif
 640
 641 uschar *dns_again_means_nonexist = NULL;
 642 int     dns_csa_search_limit   = 5;
 643 BOOL    dns_csa_use_reverse    = TRUE;
 644 #ifdef EXPERIMENTAL_DANE
 645 int     dns_dane_ok            = -1;
 646 #endif
 647 uschar *dns_ipv4_lookup        = NULL;
 648 int     dns_retrans            = 0;
 649 int     dns_retry              = 0;
 650 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 651 int     dns_use_edns0          = -1; /* <0 = not coerced */
 652 uschar *dnslist_domain         = NULL;
 653 uschar *dnslist_matched        = NULL;
 654 uschar *dnslist_text           = NULL;
 655 uschar *dnslist_value          = NULL;
 656 tree_node *domainlist_anchor   = NULL;
 657 int     domainlist_count       = 0;
 658 BOOL    dont_deliver           = FALSE;
 659 BOOL    dot_ends               = TRUE;
 660 BOOL    drop_cr                = FALSE;         /* No longer used */
 661 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 662
 663 BOOL    enable_dollar_recipients = FALSE;
 664 BOOL    envelope_to_remove     = TRUE;
 665 int     errno_quota            = ERRNO_QUOTA;
 666 uschar *errors_copy            = NULL;
 667 int     error_handling         = ERRORS_SENDER;
 668 uschar *errors_reply_to        = NULL;
 669 int     errors_sender_rc       = EXIT_FAILURE;
 670
 671 gid_t   exim_gid               = EXIM_GID;
 672 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 673 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 674                         "\0<---------------Space to patch exim_path->";
 675 uid_t   exim_uid               = EXIM_UID;
 676 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 677 int     expand_forbid          = 0;
 678 int     expand_nlength[EXPAND_MAXN+1];
 679 int     expand_nmax            = -1;
 680 uschar *expand_nstring[EXPAND_MAXN+1];
 681 BOOL    expand_string_forcedfail = FALSE;
 682 uschar *expand_string_message;
 683 BOOL    extract_addresses_remove_arguments = TRUE;
 684 uschar *extra_local_interfaces = NULL;
 685
 686 int     fake_response          = OK;
 687 uschar *fake_response_text     = US"Your message has been rejected but is "
 688                                    "being kept for evaluation.\nIf it was a "
 689                                    "legitimate message, it may still be "
 690                                    "delivered to the target recipient(s).";
 691 int     filter_n[FILTER_VARIABLE_COUNT];
 692 BOOL    filter_running         = FALSE;
 693 int     filter_sn[FILTER_VARIABLE_COUNT];
 694 int     filter_test            = FTEST_NONE;
 695 uschar *filter_test_sfile      = NULL;
 696 uschar *filter_test_ufile      = NULL;
 697 uschar *filter_thisaddress     = NULL;
 698 int     finduser_retries       = 0;
 699 #ifdef WITH_OLD_DEMIME
 700 uschar *found_extension        = NULL;
 701 #endif
 702 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 703 uschar *freeze_tell            = NULL;
 704 uschar *freeze_tell_config     = NULL;
 705 uschar *fudged_queue_times     = US"";
 706
 707 uschar *gecos_name             = NULL;
 708 uschar *gecos_pattern          = NULL;
 709 rewrite_rule  *global_rewrite_rules = NULL;
 710
 711 uschar *headers_charset        = US HEADERS_CHARSET;
 712 int     header_insert_maxlen   = 64 * 1024;
 713 header_line  *header_last      = NULL;
 714 header_line  *header_list      = NULL;
 715 int     header_maxsize         = HEADER_MAXSIZE;
 716 int     header_line_maxsize    = 0;
 717
 718 header_name header_names[] = {
 719   { US"bcc",            3, TRUE,  htype_bcc },
 720   { US"cc",             2, TRUE,  htype_cc },
 721   { US"date",           4, TRUE,  htype_date },
 722   { US"delivery-date", 13, FALSE, htype_delivery_date },
 723   { US"envelope-to",   11, FALSE, htype_envelope_to },
 724   { US"from",           4, TRUE,  htype_from },
 725   { US"message-id",    10, TRUE,  htype_id },
 726   { US"received",       8, FALSE, htype_received },
 727   { US"reply-to",       8, FALSE, htype_reply_to },
 728   { US"return-path",   11, FALSE, htype_return_path },
 729   { US"sender",         6, TRUE,  htype_sender },
 730   { US"subject",        7, FALSE, htype_subject },
 731   { US"to",             2, TRUE,  htype_to }
 732 };
 733
 734 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 735
 736 BOOL    header_rewritten       = FALSE;
 737 uschar *helo_accept_junk_hosts = NULL;
 738 uschar *helo_allow_chars       = US"";
 739 uschar *helo_lookup_domains    = US"@ : @[]";
 740 uschar *helo_try_verify_hosts  = NULL;
 741 BOOL    helo_verified          = FALSE;
 742 BOOL    helo_verify_failed     = FALSE;
 743 uschar *helo_verify_hosts      = NULL;
 744 const uschar *hex_digits       = CUS"0123456789abcdef";
 745 uschar *hold_domains           = NULL;
 746 BOOL    host_checking          = FALSE;
 747 BOOL    host_checking_callout  = FALSE;
 748 uschar *host_data              = NULL;
 749 BOOL    host_find_failed_syntax= FALSE;
 750 uschar *host_lookup            = NULL;
 751 BOOL    host_lookup_deferred   = FALSE;
 752 BOOL    host_lookup_failed     = FALSE;
 753 uschar *host_lookup_order      = US"bydns:byaddr";
 754 uschar *host_lookup_msg        = US"";
 755 int     host_number            = 0;
 756 uschar *host_number_string     = NULL;
 757 uschar *host_reject_connection = NULL;
 758 tree_node *hostlist_anchor     = NULL;
 759 int     hostlist_count         = 0;
 760 uschar *hosts_treat_as_local   = NULL;
 761 uschar *hosts_connection_nolog = NULL;
 762
 763 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 764 BOOL    ignore_fromline_local  = FALSE;
 765 uschar *ignore_fromline_hosts  = NULL;
 766 BOOL    inetd_wait_mode        = FALSE;
 767 int     inetd_wait_timeout     = -1;
 768 uschar *interface_address      = NULL;
 769 int     interface_port         = -1;
 770 BOOL    is_inetd               = FALSE;
 771 uschar *iterate_item           = NULL;
 772
 773 int     journal_fd             = -1;
 774
 775 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 776
 777 uschar *eldap_dn               = NULL;
 778 int     load_average           = -2;
 779 BOOL    local_error_message    = FALSE;
 780 BOOL    local_from_check       = TRUE;
 781 uschar *local_from_prefix      = NULL;
 782 uschar *local_from_suffix      = NULL;
 783
 784 #if HAVE_IPV6
 785 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 786 #else
 787 uschar *local_interfaces       = US"0.0.0.0";
 788 #endif
 789
 790 uschar *local_scan_data        = NULL;
 791 int     local_scan_timeout     = 5*60;
 792 BOOL    local_sender_retain    = FALSE;
 793 gid_t   local_user_gid         = (gid_t)(-1);
 794 uid_t   local_user_uid         = (uid_t)(-1);
 795
 796 tree_node *localpartlist_anchor= NULL;
 797 int     localpartlist_count    = 0;
 798 uschar *log_buffer             = NULL;
 799 unsigned int log_extra_selector = LX_default;
 800 uschar *log_file_path          = US LOG_FILE_PATH
 801                            "\0<--------------Space to patch log_file_path->";
 802
 803 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 804 are the ones that get put into log_write_selector. They can be used in calls to
 805 log_write() to test for the bit. The options with LX_xxx identifiers have
 806 values greater than 0x80000000 and are put into log_extra_selector (without the
 807 top bit). They are never used in calls to log_write(), but are tested
 808 independently. This separation became necessary when the number of log
 809 selectors was getting close to filling a 32-bit word. */
 810
 811 /* Note that this list must be in alphabetical order. */
 812
 813 bit_table log_options[]        = {
 814   { US"8bitmime",                     LX_8bitmime },
 815   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 816   { US"address_rewrite",              L_address_rewrite },
 817   { US"all",                          L_all },
 818   { US"all_parents",                  L_all_parents },
 819   { US"arguments",                    LX_arguments },
 820   { US"connection_reject",            L_connection_reject },
 821   { US"delay_delivery",               L_delay_delivery },
 822   { US"deliver_time",                 LX_deliver_time },
 823   { US"delivery_size",                LX_delivery_size },
 824   { US"dnslist_defer",                L_dnslist_defer },
 825   { US"etrn",                         L_etrn },
 826   { US"host_lookup_failed",           L_host_lookup_failed },
 827   { US"ident_timeout",                LX_ident_timeout },
 828   { US"incoming_interface",           LX_incoming_interface },
 829   { US"incoming_port",                LX_incoming_port },
 830   { US"lost_incoming_connection",     L_lost_incoming_connection },
 831   { US"outgoing_port",                LX_outgoing_port },
 832   { US"pid",                          LX_pid },
 833 #ifdef EXPERIMENTAL_PROXY
 834   { US"proxy",                        LX_proxy },
 835 #endif
 836   { US"queue_run",                    L_queue_run },
 837   { US"queue_time",                   LX_queue_time },
 838   { US"queue_time_overall",           LX_queue_time_overall },
 839   { US"received_recipients",          LX_received_recipients },
 840   { US"received_sender",              LX_received_sender },
 841   { US"rejected_header",              LX_rejected_header },
 842   { US"rejected_headers",             LX_rejected_header },
 843   { US"retry_defer",                  L_retry_defer },
 844   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 845   { US"sender_on_delivery",           LX_sender_on_delivery },
 846   { US"sender_verify_fail",           LX_sender_verify_fail },
 847   { US"size_reject",                  L_size_reject },
 848   { US"skip_delivery",                L_skip_delivery },
 849   { US"smtp_confirmation",            LX_smtp_confirmation },
 850   { US"smtp_connection",              L_smtp_connection },
 851   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 852   { US"smtp_mailauth",                LX_smtp_mailauth },
 853   { US"smtp_no_mail",                 LX_smtp_no_mail },
 854   { US"smtp_protocol_error",          L_smtp_protocol_error },
 855   { US"smtp_syntax_error",            L_smtp_syntax_error },
 856   { US"subject",                      LX_subject },
 857   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 858   { US"tls_cipher",                   LX_tls_cipher },
 859   { US"tls_peerdn",                   LX_tls_peerdn },
 860   { US"tls_sni",                      LX_tls_sni },
 861   { US"unknown_in_list",              LX_unknown_in_list }
 862 };
 863
 864 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 865 int     log_reject_target      = 0;
 866 uschar *log_selector_string    = NULL;
 867 FILE   *log_stderr             = NULL;
 868 BOOL    log_testing_mode       = FALSE;
 869 BOOL    log_timezone           = FALSE;
 870 unsigned int log_write_selector= L_default;
 871 uschar *login_sender_address   = NULL;
 872 uschar *lookup_dnssec_authenticated = NULL;
 873 int     lookup_open_max        = 25;
 874 uschar *lookup_value           = NULL;
 875
 876 macro_item  *macros            = NULL;
 877 uschar *mailstore_basename     = NULL;
 878 #ifdef WITH_CONTENT_SCAN
 879 uschar *malware_name           = NULL;  /* Virus Name */
 880 #endif
 881 int     max_received_linelength= 0;
 882 int     max_username_length    = 0;
 883 int     message_age            = 0;
 884 uschar *message_body           = NULL;
 885 uschar *message_body_end       = NULL;
 886 BOOL    message_body_newlines  = FALSE;
 887 int     message_body_size      = 0;
 888 int     message_body_visible   = 500;
 889 int     message_ended          = END_NOTSTARTED;
 890 uschar *message_headers        = NULL;
 891 uschar *message_id;
 892 uschar *message_id_domain      = NULL;
 893 uschar *message_id_text        = NULL;
 894 struct timeval message_id_tv   = { 0, 0 };
 895 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 896 uschar *message_id_external;
 897 int     message_linecount      = 0;
 898 BOOL    message_logs           = TRUE;
 899 int     message_size           = 0;
 900 uschar *message_size_limit     = US"50M";
 901 uschar  message_subdir[2]      = { 0, 0 };
 902 uschar *message_reference      = NULL;
 903
 904 /* MIME ACL expandables */
 905 #ifdef WITH_CONTENT_SCAN
 906 int     mime_anomaly_level     = 0;
 907 const uschar *mime_anomaly_text      = NULL;
 908 uschar *mime_boundary          = NULL;
 909 uschar *mime_charset           = NULL;
 910 uschar *mime_content_description = NULL;
 911 uschar *mime_content_disposition = NULL;
 912 uschar *mime_content_id        = NULL;
 913 unsigned int mime_content_size = 0;
 914 uschar *mime_content_transfer_encoding = NULL;
 915 uschar *mime_content_type      = NULL;
 916 uschar *mime_decoded_filename  = NULL;
 917 uschar *mime_filename          = NULL;
 918 int     mime_is_multipart      = 0;
 919 int     mime_is_coverletter    = 0;
 920 int     mime_is_rfc822         = 0;
 921 int     mime_part_count        = -1;
 922 #endif
 923
 924 BOOL    mua_wrapper            = FALSE;
 925
 926 uid_t  *never_users            = NULL;
 927 #ifdef WITH_CONTENT_SCAN
 928 BOOL    no_mbox_unspool        = FALSE;
 929 #endif
 930 BOOL    no_multiline_responses = FALSE;
 931
 932 uid_t   original_euid;
 933 gid_t   originator_gid;
 934 uschar *originator_login       = NULL;
 935 uschar *originator_name        = NULL;
 936 uid_t   originator_uid;
 937 uschar *override_local_interfaces = NULL;
 938 uschar *override_pid_file_path = NULL;
 939
 940 BOOL    parse_allow_group      = FALSE;
 941 BOOL    parse_found_group      = FALSE;
 942 uschar *percent_hack_domains   = NULL;
 943 uschar *pid_file_path          = US PID_FILE_PATH
 944                            "\0<--------------Space to patch pid_file_path->";
 945 BOOL    pipelining_enable      = TRUE;
 946 uschar *pipelining_advertise_hosts = US"*";
 947 BOOL    preserve_message_logs  = FALSE;
 948 uschar *primary_hostname       = NULL;
 949 BOOL    print_topbitchars      = FALSE;
 950 uschar  process_info[PROCESS_INFO_SIZE];
 951 int     process_info_len       = 0;
 952 uschar *process_log_path       = NULL;
 953 BOOL    prod_requires_admin    = TRUE;
 954
 955 #ifdef EXPERIMENTAL_PROXY
 956 uschar *proxy_host_address     = US"";
 957 int     proxy_host_port        = 0;
 958 uschar *proxy_required_hosts   = US"";
 959 BOOL    proxy_session          = FALSE;
 960 BOOL    proxy_session_failed   = FALSE;
 961 uschar *proxy_target_address   = US"";
 962 int     proxy_target_port      = 0;
 963 #endif
 964
 965 uschar *prvscheck_address      = NULL;
 966 uschar *prvscheck_keynum       = NULL;
 967 uschar *prvscheck_result       = NULL;
 968
 969
 970 uschar *qualify_domain_recipient = NULL;
 971 uschar *qualify_domain_sender  = NULL;
 972 BOOL    queue_2stage           = FALSE;
 973 uschar *queue_domains          = NULL;
 974 int     queue_interval         = -1;
 975 BOOL    queue_list_requires_admin = TRUE;
 976 BOOL    queue_only             = FALSE;
 977 uschar *queue_only_file        = NULL;
 978 int     queue_only_load        = -1;
 979 BOOL    queue_only_load_latch  = TRUE;
 980 BOOL    queue_only_override    = TRUE;
 981 BOOL    queue_only_policy      = FALSE;
 982 BOOL    queue_run_first_delivery = FALSE;
 983 BOOL    queue_run_force        = FALSE;
 984 BOOL    queue_run_in_order     = FALSE;
 985 BOOL    queue_run_local        = FALSE;
 986 int     queue_run_max          = 5;
 987 pid_t   queue_run_pid          = (pid_t)0;
 988 int     queue_run_pipe         = -1;
 989 BOOL    queue_running          = FALSE;
 990 BOOL    queue_smtp             = FALSE;
 991 uschar *queue_smtp_domains     = NULL;
 992
 993 unsigned int random_seed       = 0;
 994 tree_node *ratelimiters_cmd    = NULL;
 995 tree_node *ratelimiters_conn   = NULL;
 996 tree_node *ratelimiters_mail   = NULL;
 997 uschar *raw_active_hostname    = NULL;
 998 uschar *raw_sender             = NULL;
 999 uschar **raw_recipients        = NULL;
1000 int     raw_recipients_count   = 0;
1001
1002 int     rcpt_count             = 0;
1003 int     rcpt_fail_count        = 0;
1004 int     rcpt_defer_count       = 0;
1005 gid_t   real_gid;
1006 uid_t   real_uid;
1007 BOOL    really_exim            = TRUE;
1008 BOOL    receive_call_bombout   = FALSE;
1009 int     receive_linecount      = 0;
1010 int     receive_messagecount   = 0;
1011 int     receive_timeout        = 0;
1012 int     received_count         = 0;
1013 uschar *received_for           = NULL;
1014
1015 /*  This is the default text for Received headers generated by Exim. The
1016 date  will be automatically added on the end. */
1017
1018 uschar *received_header_text   = US
1019      "Received: "
1020      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1021      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1022      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1023      "by $primary_hostname "
1024      "${if def:received_protocol {with $received_protocol}} "
1025      #ifdef SUPPORT_TLS
1026      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1027      #endif
1028      "(Exim $version_number)\n\t"
1029      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1030      "id $message_exim_id"
1031      "${if def:received_for {\n\tfor $received_for}}"
1032      "\0<---------------Space to patch received_header_text->";
1033
1034 int     received_headers_max   = 30;
1035 uschar *received_protocol      = NULL;
1036 int     received_time          = 0;
1037 uschar *recipient_data         = NULL;
1038 uschar *recipient_unqualified_hosts = NULL;
1039 uschar *recipient_verify_failure = NULL;
1040 int     recipients_count       = 0;
1041 BOOL    recipients_discarded   = FALSE;
1042 recipient_item  *recipients_list = NULL;
1043 int     recipients_list_max    = 0;
1044 int     recipients_max         = 0;
1045 BOOL    recipients_max_reject  = FALSE;
1046 const pcre *regex_AUTH         = NULL;
1047 const pcre *regex_check_dns_names = NULL;
1048 const pcre *regex_From         = NULL;
1049 const pcre *regex_IGNOREQUOTA  = NULL;
1050 const pcre *regex_PIPELINING   = NULL;
1051 const pcre *regex_SIZE         = NULL;
1052 const pcre *regex_smtp_code    = NULL;
1053 const pcre *regex_ismsgid      = NULL;
1054 #ifdef WHITELIST_D_MACROS
1055 const pcre *regex_whitelisted_macro = NULL;
1056 #endif
1057 #ifdef WITH_CONTENT_SCAN
1058 uschar *regex_match_string     = NULL;
1059 #endif
1060 int     remote_delivery_count  = 0;
1061 int     remote_max_parallel    = 2;
1062 uschar *remote_sort_domains    = NULL;
1063 int     retry_data_expire      = 7*24*60*60;
1064 int     retry_interval_max     = 24*60*60;
1065 int     retry_maximum_timeout  = 0;        /* set from retry config */
1066 retry_config  *retries         = NULL;
1067 uschar *return_path            = NULL;
1068 BOOL    return_path_remove     = TRUE;
1069 int     rewrite_existflags     = 0;
1070 uschar *rfc1413_hosts          = US"*";
1071 int     rfc1413_query_timeout  = 5;
1072 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1073 uid_t   root_gid               = ROOT_GID;
1074 uid_t   root_uid               = ROOT_UID;
1075
1076 router_instance  *routers  = NULL;
1077 router_instance  router_defaults = {
1078     NULL,                      /* chain pointer */
1079     NULL,                      /* name */
1080     NULL,                      /* info */
1081     NULL,                      /* private options block pointer */
1082     NULL,                      /* driver name */
1083
1084     NULL,                      /* address_data */
1085 #ifdef EXPERIMENTAL_BRIGHTMAIL
1086     NULL,                      /* bmi_rule */
1087 #endif
1088     NULL,                      /* cannot_route_message */
1089     NULL,                      /* condition */
1090     NULL,                      /* current_directory */
1091     NULL,                      /* debug_string */
1092     NULL,                      /* domains */
1093     NULL,                      /* errors_to */
1094     NULL,                      /* expand_gid */
1095     NULL,                      /* expand_uid */
1096     NULL,                      /* expand_more */
1097     NULL,                      /* expand_unseen */
1098     NULL,                      /* extra_headers */
1099     NULL,                      /* fallback_hosts */
1100     NULL,                      /* home_directory */
1101     NULL,                      /* ignore_target_hosts */
1102     NULL,                      /* local_parts */
1103     NULL,                      /* pass_router_name */
1104     NULL,                      /* prefix */
1105     NULL,                      /* redirect_router_name */
1106     NULL,                      /* remove_headers */
1107     NULL,                      /* require_files */
1108     NULL,                      /* router_home_directory */
1109     US"freeze",                /* self */
1110     NULL,                      /* senders */
1111     NULL,                      /* suffix */
1112     NULL,                      /* translate_ip_address */
1113     NULL,                      /* transport_name */
1114
1115     TRUE,                      /* address_test */
1116 #ifdef EXPERIMENTAL_BRIGHTMAIL
1117     FALSE,                     /* bmi_deliver_alternate */
1118     FALSE,                     /* bmi_deliver_default */
1119     FALSE,                     /* bmi_dont_deliver */
1120 #endif
1121     TRUE,                      /* expn */
1122     FALSE,                     /* caseful_local_part */
1123     FALSE,                     /* check_local_user */
1124     FALSE,                     /* disable_logging */
1125     FALSE,                     /* fail_verify_recipient */
1126     FALSE,                     /* fail_verify_sender */
1127     FALSE,                     /* gid_set */
1128     FALSE,                     /* initgroups */
1129     TRUE_UNSET,                /* log_as_local */
1130     TRUE,                      /* more */
1131     FALSE,                     /* pass_on_timeout */
1132     FALSE,                     /* prefix_optional */
1133     TRUE,                      /* repeat_use */
1134     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1135     FALSE,                     /* same_domain_copy_routing */
1136     FALSE,                     /* self_rewrite */
1137     FALSE,                     /* suffix_optional */
1138     FALSE,                     /* verify_only */
1139     TRUE,                      /* verify_recipient */
1140     TRUE,                      /* verify_sender */
1141     FALSE,                     /* uid_set */
1142     FALSE,                     /* unseen */
1143 #ifdef EXPERIMENTAL_DSN
1144     FALSE,                     /* dsn_lasthop */
1145 #endif
1146
1147     self_freeze,               /* self_code */
1148     (uid_t)(-1),               /* uid */
1149     (gid_t)(-1),               /* gid */
1150
1151     NULL,                      /* fallback_hostlist */
1152     NULL,                      /* transport instance */
1153     NULL,                      /* pass_router */
1154     NULL                       /* redirect_router */
1155 };
1156
1157 uschar *router_name            = NULL;
1158
1159 ip_address_item *running_interfaces = NULL;
1160 BOOL    running_in_test_harness = FALSE;
1161
1162 /* This is a weird one. The following string gets patched in the binary by the
1163 script that sets up a copy of Exim for running in the test harness. It seems
1164 that compilers are now clever, and share constant strings if they can.
1165 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1166 make use of the end of this string in order to save space. So the patching then
1167 wrecks this. We defeat this optimization by adding some additional characters
1168 onto the end of the string. */
1169
1170 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1171
1172 int     runrc                  = 0;
1173
1174 uschar *search_error_message   = NULL;
1175 BOOL    search_find_defer      = FALSE;
1176 uschar *self_hostname          = NULL;
1177 uschar *sender_address         = NULL;
1178 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1179 uschar *sender_address_data    = NULL;
1180 BOOL    sender_address_forced  = FALSE;
1181 uschar *sender_address_unrewritten = NULL;
1182 uschar *sender_data            = NULL;
1183 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1184 uschar *sender_fullhost        = NULL;
1185 uschar *sender_helo_name       = NULL;
1186 uschar **sender_host_aliases   = &no_aliases;
1187 uschar *sender_host_address    = NULL;
1188 uschar *sender_host_authenticated = NULL;
1189 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1190 BOOL    sender_host_dnssec     = FALSE;
1191 uschar *sender_host_name       = NULL;
1192 int     sender_host_port       = 0;
1193 BOOL    sender_host_notsocket  = FALSE;
1194 BOOL    sender_host_unknown    = FALSE;
1195 uschar *sender_ident           = NULL;
1196 BOOL    sender_local           = FALSE;
1197 BOOL    sender_name_forced     = FALSE;
1198 uschar *sender_rate            = NULL;
1199 uschar *sender_rate_limit      = NULL;
1200 uschar *sender_rate_period     = NULL;
1201 uschar *sender_rcvhost         = NULL;
1202 BOOL    sender_set_untrusted   = FALSE;
1203 uschar *sender_unqualified_hosts = NULL;
1204 uschar *sender_verify_failure = NULL;
1205 address_item *sender_verified_list  = NULL;
1206 address_item *sender_verified_failed = NULL;
1207 int     sender_verified_rc     = -1;
1208 BOOL    sender_verified_responded = FALSE;
1209 uschar *sending_ip_address     = NULL;
1210 int     sending_port           = -1;
1211 SIGNAL_BOOL sigalrm_seen       = FALSE;
1212 uschar **sighup_argv           = NULL;
1213 int     smtp_accept_count      = 0;
1214 BOOL    smtp_accept_keepalive  = TRUE;
1215 int     smtp_accept_max        = 20;
1216 int     smtp_accept_max_nonmail= 10;
1217 uschar *smtp_accept_max_nonmail_hosts = US"*";
1218 int     smtp_accept_max_per_connection = 1000;
1219 uschar *smtp_accept_max_per_host = NULL;
1220 int     smtp_accept_queue      = 0;
1221 int     smtp_accept_queue_per_connection = 10;
1222 int     smtp_accept_reserve    = 0;
1223 uschar *smtp_active_hostname   = NULL;
1224 BOOL    smtp_authenticated     = FALSE;
1225 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1226                              "Exim $version_number $tod_full"
1227                              "\0<---------------Space to patch smtp_banner->";
1228 BOOL    smtp_batched_input     = FALSE;
1229 BOOL    smtp_check_spool_space = TRUE;
1230 int     smtp_ch_index          = 0;
1231 uschar *smtp_cmd_argument      = NULL;
1232 uschar *smtp_cmd_buffer        = NULL;
1233 time_t  smtp_connection_start  = 0;
1234 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1235 int     smtp_connect_backlog   = 20;
1236 double  smtp_delay_mail        = 0.0;
1237 double  smtp_delay_rcpt        = 0.0;
1238 BOOL    smtp_enforce_sync      = TRUE;
1239 FILE   *smtp_in                = NULL;
1240 BOOL    smtp_input             = FALSE;
1241 int     smtp_load_reserve      = -1;
1242 int     smtp_mailcmd_count     = 0;
1243 FILE   *smtp_out               = NULL;
1244 uschar *smtp_etrn_command      = NULL;
1245 BOOL    smtp_etrn_serialize    = TRUE;
1246 int     smtp_max_synprot_errors= 3;
1247 int     smtp_max_unknown_commands = 3;
1248 uschar *smtp_notquit_reason    = NULL;
1249 uschar *smtp_ratelimit_hosts   = NULL;
1250 uschar *smtp_ratelimit_mail    = NULL;
1251 uschar *smtp_ratelimit_rcpt    = NULL;
1252 uschar *smtp_read_error        = US"";
1253 int     smtp_receive_timeout   = 5*60;
1254 uschar *smtp_reserve_hosts     = NULL;
1255 BOOL    smtp_return_error_details = FALSE;
1256 int     smtp_rlm_base          = 0;
1257 double  smtp_rlm_factor        = 0.0;
1258 int     smtp_rlm_limit         = 0;
1259 int     smtp_rlm_threshold     = INT_MAX;
1260 int     smtp_rlr_base          = 0;
1261 double  smtp_rlr_factor        = 0.0;
1262 int     smtp_rlr_limit         = 0;
1263 int     smtp_rlr_threshold     = INT_MAX;
1264 BOOL    smtp_use_pipelining    = FALSE;
1265 BOOL    smtp_use_size          = FALSE;
1266
1267 #ifdef WITH_CONTENT_SCAN
1268 uschar *spamd_address          = US"127.0.0.1 783";
1269 uschar *spam_bar               = NULL;
1270 uschar *spam_report            = NULL;
1271 uschar *spam_score             = NULL;
1272 uschar *spam_score_int         = NULL;
1273 #endif
1274 #ifdef EXPERIMENTAL_SPF
1275 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1276 uschar *spf_header_comment     = NULL;
1277 uschar *spf_received           = NULL;
1278 uschar *spf_result             = NULL;
1279 uschar *spf_smtp_comment       = NULL;
1280 #endif
1281
1282 BOOL    split_spool_directory  = FALSE;
1283 uschar *spool_directory        = US SPOOL_DIRECTORY
1284                            "\0<--------------Space to patch spool_directory->";
1285 #ifdef EXPERIMENTAL_SRS
1286 uschar *srs_config             = NULL;
1287 uschar *srs_db_address         = NULL;
1288 uschar *srs_db_key             = NULL;
1289 int     srs_hashlength         = 6;
1290 int     srs_hashmin            = -1;
1291 int     srs_maxage             = 31;
1292 uschar *srs_orig_recipient     = NULL;
1293 uschar *srs_orig_sender        = NULL;
1294 uschar *srs_recipient          = NULL;
1295 uschar *srs_secrets            = NULL;
1296 uschar *srs_status             = NULL;
1297 BOOL    srs_usehash            = TRUE;
1298 BOOL    srs_usetimestamp       = TRUE;
1299 #endif
1300 BOOL    strict_acl_vars        = FALSE;
1301 int     string_datestamp_offset= -1;
1302 int     string_datestamp_length= 0;
1303 int     string_datestamp_type  = -1;
1304 BOOL    strip_excess_angle_brackets = FALSE;
1305 BOOL    strip_trailing_dot     = FALSE;
1306 uschar *submission_domain      = NULL;
1307 BOOL    submission_mode        = FALSE;
1308 uschar *submission_name        = NULL;
1309 BOOL    suppress_local_fixups  = FALSE;
1310 BOOL    suppress_local_fixups_default = FALSE;
1311 BOOL    synchronous_delivery   = FALSE;
1312 BOOL    syslog_duplication     = TRUE;
1313 int     syslog_facility        = LOG_MAIL;
1314 uschar *syslog_processname     = US"exim";
1315 BOOL    syslog_timestamp       = TRUE;
1316 uschar *system_filter          = NULL;
1317
1318 uschar *system_filter_directory_transport = NULL;
1319 uschar *system_filter_file_transport = NULL;
1320 uschar *system_filter_pipe_transport = NULL;
1321 uschar *system_filter_reply_transport = NULL;
1322
1323 gid_t   system_filter_gid      = 0;
1324 BOOL    system_filter_gid_set  = FALSE;
1325 uid_t   system_filter_uid      = (uid_t)-1;
1326 BOOL    system_filter_uid_set  = FALSE;
1327 BOOL    system_filtering       = FALSE;
1328
1329 BOOL    tcp_nodelay            = TRUE;
1330 #ifdef USE_TCP_WRAPPERS
1331 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1332 #endif
1333 int     test_harness_load_avg  = 0;
1334 int     thismessage_size_limit = 0;
1335 int     timeout_frozen_after   = 0;
1336 BOOL    timestamps_utc         = FALSE;
1337
1338 #ifdef EXPERIMENTAL_TPDA
1339 int     tpda_defer_errno        = 0;
1340 uschar *tpda_defer_errstr       = NULL;
1341 uschar *tpda_delivery_ip        = NULL;
1342 int     tpda_delivery_port      = 0;
1343 uschar *tpda_delivery_fqdn      = NULL;
1344 uschar *tpda_delivery_local_part= NULL;
1345 uschar *tpda_delivery_domain    = NULL;
1346 uschar *tpda_delivery_confirmation = NULL;
1347 #endif
1348
1349 transport_instance  *transports = NULL;
1350
1351 transport_instance  transport_defaults = {
1352     NULL,                     /* chain pointer */
1353     NULL,                     /* name */
1354     NULL,                     /* info */
1355     NULL,                     /* private options block pointer */
1356     NULL,                     /* driver name */
1357     NULL,                     /* setup entry point */
1358     1,                        /* batch_max */
1359     NULL,                     /* batch_id */
1360     NULL,                     /* home_dir */
1361     NULL,                     /* current_dir */
1362     TRUE,                     /* multi-domain */
1363     FALSE,                    /* overrides_hosts */
1364     100,                      /* max_addresses */
1365     500,                      /* connection_max_messages */
1366     FALSE,                    /* deliver_as_creator */
1367     FALSE,                    /* disable_logging */
1368     FALSE,                    /* initgroups */
1369     FALSE,                    /* uid_set */
1370     FALSE,                    /* gid_set */
1371     (uid_t)(-1),              /* uid */
1372     (gid_t)(-1),              /* gid */
1373     NULL,                     /* expand_uid */
1374     NULL,                     /* expand_gid */
1375     NULL,                     /* warn_message */
1376     NULL,                     /* shadow */
1377     NULL,                     /* shadow_condition */
1378     NULL,                     /* filter_command */
1379     NULL,                     /* add_headers */
1380     NULL,                     /* remove_headers */
1381     NULL,                     /* return_path */
1382     NULL,                     /* debug_string */
1383     NULL,                     /* message_size_limit */
1384     NULL,                     /* headers_rewrite */
1385     NULL,                     /* rewrite_rules */
1386     0,                        /* rewrite_existflags */
1387     300,                      /* filter_timeout */
1388     FALSE,                    /* body_only */
1389     FALSE,                    /* delivery_date_add */
1390     FALSE,                    /* envelope_to_add */
1391     FALSE,                    /* headers_only */
1392     FALSE,                    /* rcpt_include_affixes */
1393     FALSE,                    /* return_path_add */
1394     FALSE,                    /* return_output */
1395     FALSE,                    /* return_fail_output */
1396     FALSE,                    /* log_output */
1397     FALSE,                    /* log_fail_output */
1398     FALSE,                    /* log_defer_output */
1399     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1400                                  1 nor 0 so can detect unset */
1401 #ifdef EXPERIMENTAL_TPDA
1402    ,NULL                      /* tpda_delivery_action */
1403 #endif
1404 };
1405
1406 int     transport_count;
1407 uschar *transport_name          = NULL;
1408 int     transport_newlines;
1409 uschar **transport_filter_argv  = NULL;
1410 int     transport_filter_timeout;
1411 BOOL    transport_filter_timed_out = FALSE;
1412 int     transport_write_timeout= 0;
1413
1414 tree_node  *tree_dns_fails     = NULL;
1415 tree_node  *tree_duplicates    = NULL;
1416 tree_node  *tree_nonrecipients = NULL;
1417 tree_node  *tree_unusable      = NULL;
1418
1419 BOOL    trusted_caller         = FALSE;
1420 BOOL    trusted_config         = TRUE;
1421 gid_t  *trusted_groups         = NULL;
1422 uid_t  *trusted_users          = NULL;
1423 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1424
1425 uschar *unknown_login          = NULL;
1426 uschar *unknown_username       = NULL;
1427 uschar *untrusted_set_sender   = NULL;
1428
1429 /*  A regex for matching a "From_" line in an incoming message, in the form
1430
1431     From ph10 Fri Jan  5 12:35 GMT 1996
1432
1433 which  the "mail" commands send to the MTA (undocumented, of course), or in
1434 the  form
1435
1436     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1437
1438 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1439 Because  of variations in time formats, just match up to the minutes. That
1440 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1441 so  just require one digit for hours and minutes. The weekday is also absent
1442 in  some forms. */
1443
1444 uschar *uucp_from_pattern      = US
1445    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1446    "(?:"                                          /* Non-extracting bracket */
1447    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1448    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1449    ")"                                            /* End alternation */
1450    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1451
1452 uschar *uucp_from_sender       = US"$1";
1453
1454 uschar *warn_message_file      = NULL;
1455 uschar *warnmsg_delay          = NULL;
1456 uschar *warnmsg_recipients     = NULL;
1457 BOOL    write_rejectlog        = TRUE;
1458
1459 uschar *version_copyright      =
1460  US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1461    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1462 uschar *version_date           = US"?";
1463 uschar *version_cnumber        = US"????";
1464 uschar *version_string         = US"?";
1465
1466 int     warning_count          = 0;
1467
1468 /*  End of globals.c */