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= US"system";
 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     = US"accept";
 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 uschar *config_main_directory  = NULL;
 500
 501 #ifdef CONFIGURE_OWNER
 502 uid_t   config_uid             = CONFIGURE_OWNER;
 503 #endif
 504
 505 int     connection_max_messages= -1;
 506 uschar *continue_hostname      = NULL;
 507 uschar *continue_host_address  = NULL;
 508 BOOL    continue_more          = FALSE;
 509 int     continue_sequence      = 1;
 510 uschar *continue_transport     = NULL;
 511
 512 uschar *csa_status             = NULL;
 513 BOOL    cutthrough_delivery    = FALSE;
 514 int     cutthrough_fd          = -1;
 515
 516 BOOL    daemon_listen          = FALSE;
 517 uschar *daemon_smtp_port       = US"smtp";
 518 int     daemon_startup_retries = 9;
 519 int     daemon_startup_sleep   = 30;
 520
 521 #ifdef EXPERIMENTAL_DCC
 522 BOOL    dcc_direct_add_header  = FALSE;
 523 uschar *dcc_header             = NULL;
 524 uschar *dcc_result             = NULL;
 525 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 526 uschar *dccifd_options         = US"header";
 527 #endif
 528
 529 BOOL    debug_daemon           = FALSE;
 530 int     debug_fd               = -1;
 531 FILE   *debug_file             = NULL;
 532 bit_table debug_options[]      = {
 533   { US"acl",            D_acl },
 534   { US"all",            D_all },
 535   { US"auth",           D_auth },
 536   { US"deliver",        D_deliver },
 537   { US"dns",            D_dns },
 538   { US"dnsbl",          D_dnsbl },
 539   { US"exec",           D_exec },
 540   { US"expand",         D_expand },
 541   { US"filter",         D_filter },
 542   { US"hints_lookup",   D_hints_lookup },
 543   { US"host_lookup",    D_host_lookup },
 544   { US"ident",          D_ident },
 545   { US"interface",      D_interface },
 546   { US"lists",          D_lists },
 547   { US"load",           D_load },
 548   { US"local_scan",     D_local_scan },
 549   { US"lookup",         D_lookup },
 550   { US"memory",         D_memory },
 551   { US"pid",            D_pid },
 552   { US"process_info",   D_process_info },
 553   { US"queue_run",      D_queue_run },
 554   { US"receive",        D_receive },
 555   { US"resolver",       D_resolver },
 556   { US"retry",          D_retry },
 557   { US"rewrite",        D_rewrite },
 558   { US"route",          D_route },
 559   { US"timestamp",      D_timestamp },
 560   { US"tls",            D_tls },
 561   { US"transport",      D_transport },
 562   { US"uid",            D_uid },
 563   { US"verify",         D_verify }
 564 };
 565 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 566 unsigned int debug_selector    = 0;
 567 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 568 uschar *delay_warning_condition=
 569   US"${if or {"
 570             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 571             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 572             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 573             "} {no}{yes}}";
 574 BOOL    delivery_date_remove   = TRUE;
 575 uschar *deliver_address_data   = NULL;
 576 int     deliver_datafile       = -1;
 577 uschar *deliver_domain         = NULL;
 578 uschar *deliver_domain_data    = NULL;
 579 uschar *deliver_domain_orig    = NULL;
 580 uschar *deliver_domain_parent  = NULL;
 581 BOOL    deliver_drop_privilege = FALSE;
 582 BOOL    deliver_firsttime      = FALSE;
 583 BOOL    deliver_force          = FALSE;
 584 BOOL    deliver_freeze         = FALSE;
 585 time_t  deliver_frozen_at      = 0;
 586 uschar *deliver_home           = NULL;
 587 uschar *deliver_host           = NULL;
 588 uschar *deliver_host_address   = NULL;
 589 int     deliver_host_port      = 0;
 590 uschar *deliver_in_buffer      = NULL;
 591 ino_t   deliver_inode          = 0;
 592 uschar *deliver_localpart      = NULL;
 593 uschar *deliver_localpart_data = NULL;
 594 uschar *deliver_localpart_orig = NULL;
 595 uschar *deliver_localpart_parent = NULL;
 596 uschar *deliver_localpart_prefix = NULL;
 597 uschar *deliver_localpart_suffix = NULL;
 598 BOOL    deliver_force_thaw     = FALSE;
 599 BOOL    deliver_manual_thaw    = FALSE;
 600 uschar *deliver_out_buffer     = NULL;
 601 int     deliver_queue_load_max = -1;
 602 address_item  *deliver_recipients = NULL;
 603 uschar *deliver_selectstring   = NULL;
 604 BOOL    deliver_selectstring_regex = FALSE;
 605 uschar *deliver_selectstring_sender = NULL;
 606 BOOL    deliver_selectstring_sender_regex = FALSE;
 607 #ifdef WITH_OLD_DEMIME
 608 int     demime_errorlevel      = 0;
 609 int     demime_ok              = 0;
 610 uschar *demime_reason          = NULL;
 611 #endif
 612 BOOL    disable_callout_flush  = FALSE;
 613 BOOL    disable_delay_flush    = FALSE;
 614 #ifdef ENABLE_DISABLE_FSYNC
 615 BOOL    disable_fsync          = FALSE;
 616 #endif
 617 BOOL    disable_ipv6           = FALSE;
 618 BOOL    disable_logging        = FALSE;
 619
 620 #ifndef DISABLE_DKIM
 621 uschar *dkim_cur_signer          = NULL;
 622 uschar *dkim_signers             = NULL;
 623 uschar *dkim_signing_domain      = NULL;
 624 uschar *dkim_signing_selector    = NULL;
 625 uschar *dkim_verify_signers      = US"$dkim_signers";
 626 BOOL    dkim_collect_input       = FALSE;
 627 BOOL    dkim_disable_verify      = FALSE;
 628 #endif
 629 #ifdef EXPERIMENTAL_DMARC
 630 BOOL    dmarc_has_been_checked  = FALSE;
 631 uschar *dmarc_ar_header         = NULL;
 632 uschar *dmarc_domain_policy     = NULL;
 633 uschar *dmarc_forensic_sender   = NULL;
 634 uschar *dmarc_history_file      = NULL;
 635 uschar *dmarc_status            = NULL;
 636 uschar *dmarc_status_text       = NULL;
 637 uschar *dmarc_tld_file          = NULL;
 638 uschar *dmarc_used_domain       = NULL;
 639 BOOL    dmarc_disable_verify    = FALSE;
 640 BOOL    dmarc_enable_forensic   = FALSE;
 641 #endif
 642
 643 uschar *dns_again_means_nonexist = NULL;
 644 int     dns_csa_search_limit   = 5;
 645 BOOL    dns_csa_use_reverse    = TRUE;
 646 #ifdef EXPERIMENTAL_DANE
 647 int     dns_dane_ok            = -1;
 648 #endif
 649 uschar *dns_ipv4_lookup        = NULL;
 650 int     dns_retrans            = 0;
 651 int     dns_retry              = 0;
 652 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 653 int     dns_use_edns0          = -1; /* <0 = not coerced */
 654 uschar *dnslist_domain         = NULL;
 655 uschar *dnslist_matched        = NULL;
 656 uschar *dnslist_text           = NULL;
 657 uschar *dnslist_value          = NULL;
 658 tree_node *domainlist_anchor   = NULL;
 659 int     domainlist_count       = 0;
 660 BOOL    dont_deliver           = FALSE;
 661 BOOL    dot_ends               = TRUE;
 662 BOOL    drop_cr                = FALSE;         /* No longer used */
 663 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 664
 665 BOOL    enable_dollar_recipients = FALSE;
 666 BOOL    envelope_to_remove     = TRUE;
 667 int     errno_quota            = ERRNO_QUOTA;
 668 uschar *errors_copy            = NULL;
 669 int     error_handling         = ERRORS_SENDER;
 670 uschar *errors_reply_to        = NULL;
 671 int     errors_sender_rc       = EXIT_FAILURE;
 672 #ifdef EXPERIMENTAL_EVENT
 673 uschar *event_action             = NULL;        /* expansion for delivery events */
 674 uschar *event_data               = NULL;        /* auxilary data variable for event */
 675 int     event_defer_errno        = 0;
 676 uschar *event_name               = NULL;        /* event name variable */
 677 #endif
 678
 679
 680 gid_t   exim_gid               = EXIM_GID;
 681 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 682 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 683                         "\0<---------------Space to patch exim_path->";
 684 uid_t   exim_uid               = EXIM_UID;
 685 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 686 int     expand_forbid          = 0;
 687 int     expand_nlength[EXPAND_MAXN+1];
 688 int     expand_nmax            = -1;
 689 uschar *expand_nstring[EXPAND_MAXN+1];
 690 BOOL    expand_string_forcedfail = FALSE;
 691 uschar *expand_string_message;
 692 BOOL    extract_addresses_remove_arguments = TRUE;
 693 uschar *extra_local_interfaces = NULL;
 694
 695 int     fake_response          = OK;
 696 uschar *fake_response_text     = US"Your message has been rejected but is "
 697                                    "being kept for evaluation.\nIf it was a "
 698                                    "legitimate message, it may still be "
 699                                    "delivered to the target recipient(s).";
 700 int     filter_n[FILTER_VARIABLE_COUNT];
 701 BOOL    filter_running         = FALSE;
 702 int     filter_sn[FILTER_VARIABLE_COUNT];
 703 int     filter_test            = FTEST_NONE;
 704 uschar *filter_test_sfile      = NULL;
 705 uschar *filter_test_ufile      = NULL;
 706 uschar *filter_thisaddress     = NULL;
 707 int     finduser_retries       = 0;
 708 #ifdef WITH_OLD_DEMIME
 709 uschar *found_extension        = NULL;
 710 #endif
 711 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 712 uschar *freeze_tell            = NULL;
 713 uschar *freeze_tell_config     = NULL;
 714 uschar *fudged_queue_times     = US"";
 715
 716 uschar *gecos_name             = NULL;
 717 uschar *gecos_pattern          = NULL;
 718 rewrite_rule  *global_rewrite_rules = NULL;
 719
 720 uschar *headers_charset        = US HEADERS_CHARSET;
 721 int     header_insert_maxlen   = 64 * 1024;
 722 header_line  *header_last      = NULL;
 723 header_line  *header_list      = NULL;
 724 int     header_maxsize         = HEADER_MAXSIZE;
 725 int     header_line_maxsize    = 0;
 726
 727 header_name header_names[] = {
 728   { US"bcc",            3, TRUE,  htype_bcc },
 729   { US"cc",             2, TRUE,  htype_cc },
 730   { US"date",           4, TRUE,  htype_date },
 731   { US"delivery-date", 13, FALSE, htype_delivery_date },
 732   { US"envelope-to",   11, FALSE, htype_envelope_to },
 733   { US"from",           4, TRUE,  htype_from },
 734   { US"message-id",    10, TRUE,  htype_id },
 735   { US"received",       8, FALSE, htype_received },
 736   { US"reply-to",       8, FALSE, htype_reply_to },
 737   { US"return-path",   11, FALSE, htype_return_path },
 738   { US"sender",         6, TRUE,  htype_sender },
 739   { US"subject",        7, FALSE, htype_subject },
 740   { US"to",             2, TRUE,  htype_to }
 741 };
 742
 743 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 744
 745 BOOL    header_rewritten       = FALSE;
 746 uschar *helo_accept_junk_hosts = NULL;
 747 uschar *helo_allow_chars       = US"";
 748 uschar *helo_lookup_domains    = US"@ : @[]";
 749 uschar *helo_try_verify_hosts  = NULL;
 750 BOOL    helo_verified          = FALSE;
 751 BOOL    helo_verify_failed     = FALSE;
 752 uschar *helo_verify_hosts      = NULL;
 753 const uschar *hex_digits       = CUS"0123456789abcdef";
 754 uschar *hold_domains           = NULL;
 755 BOOL    host_checking          = FALSE;
 756 BOOL    host_checking_callout  = FALSE;
 757 uschar *host_data              = NULL;
 758 BOOL    host_find_failed_syntax= FALSE;
 759 uschar *host_lookup            = NULL;
 760 BOOL    host_lookup_deferred   = FALSE;
 761 BOOL    host_lookup_failed     = FALSE;
 762 uschar *host_lookup_order      = US"bydns:byaddr";
 763 uschar *host_lookup_msg        = US"";
 764 int     host_number            = 0;
 765 uschar *host_number_string     = NULL;
 766 uschar *host_reject_connection = NULL;
 767 tree_node *hostlist_anchor     = NULL;
 768 int     hostlist_count         = 0;
 769 uschar *hosts_treat_as_local   = NULL;
 770 uschar *hosts_connection_nolog = NULL;
 771
 772 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 773 BOOL    ignore_fromline_local  = FALSE;
 774 uschar *ignore_fromline_hosts  = NULL;
 775 BOOL    inetd_wait_mode        = FALSE;
 776 int     inetd_wait_timeout     = -1;
 777 uschar *interface_address      = NULL;
 778 int     interface_port         = -1;
 779 BOOL    is_inetd               = FALSE;
 780 uschar *iterate_item           = NULL;
 781
 782 int     journal_fd             = -1;
 783
 784 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 785
 786 uschar *eldap_dn               = NULL;
 787 int     load_average           = -2;
 788 BOOL    local_error_message    = FALSE;
 789 BOOL    local_from_check       = TRUE;
 790 uschar *local_from_prefix      = NULL;
 791 uschar *local_from_suffix      = NULL;
 792
 793 #if HAVE_IPV6
 794 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 795 #else
 796 uschar *local_interfaces       = US"0.0.0.0";
 797 #endif
 798
 799 uschar *local_scan_data        = NULL;
 800 int     local_scan_timeout     = 5*60;
 801 BOOL    local_sender_retain    = FALSE;
 802 gid_t   local_user_gid         = (gid_t)(-1);
 803 uid_t   local_user_uid         = (uid_t)(-1);
 804
 805 tree_node *localpartlist_anchor= NULL;
 806 int     localpartlist_count    = 0;
 807 uschar *log_buffer             = NULL;
 808 unsigned int log_extra_selector = LX_default;
 809 uschar *log_file_path          = US LOG_FILE_PATH
 810                            "\0<--------------Space to patch log_file_path->";
 811
 812 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 813 are the ones that get put into log_write_selector. They can be used in calls to
 814 log_write() to test for the bit. The options with LX_xxx identifiers have
 815 values greater than 0x80000000 and are put into log_extra_selector (without the
 816 top bit). They are never used in calls to log_write(), but are tested
 817 independently. This separation became necessary when the number of log
 818 selectors was getting close to filling a 32-bit word. */
 819
 820 /* Note that this list must be in alphabetical order. */
 821
 822 bit_table log_options[]        = {
 823   { US"8bitmime",                     LX_8bitmime },
 824   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 825   { US"address_rewrite",              L_address_rewrite },
 826   { US"all",                          L_all },
 827   { US"all_parents",                  L_all_parents },
 828   { US"arguments",                    LX_arguments },
 829   { US"connection_reject",            L_connection_reject },
 830   { US"delay_delivery",               L_delay_delivery },
 831   { US"deliver_time",                 LX_deliver_time },
 832   { US"delivery_size",                LX_delivery_size },
 833   { US"dnslist_defer",                L_dnslist_defer },
 834   { US"etrn",                         L_etrn },
 835   { US"host_lookup_failed",           L_host_lookup_failed },
 836   { US"ident_timeout",                LX_ident_timeout },
 837   { US"incoming_interface",           LX_incoming_interface },
 838   { US"incoming_port",                LX_incoming_port },
 839   { US"lost_incoming_connection",     L_lost_incoming_connection },
 840   { US"outgoing_port",                LX_outgoing_port },
 841   { US"pid",                          LX_pid },
 842 #ifdef EXPERIMENTAL_PROXY
 843   { US"proxy",                        LX_proxy },
 844 #endif
 845   { US"queue_run",                    L_queue_run },
 846   { US"queue_time",                   LX_queue_time },
 847   { US"queue_time_overall",           LX_queue_time_overall },
 848   { US"received_recipients",          LX_received_recipients },
 849   { US"received_sender",              LX_received_sender },
 850   { US"rejected_header",              LX_rejected_header },
 851   { US"rejected_headers",             LX_rejected_header },
 852   { US"retry_defer",                  L_retry_defer },
 853   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 854   { US"sender_on_delivery",           LX_sender_on_delivery },
 855   { US"sender_verify_fail",           LX_sender_verify_fail },
 856   { US"size_reject",                  L_size_reject },
 857   { US"skip_delivery",                L_skip_delivery },
 858   { US"smtp_confirmation",            LX_smtp_confirmation },
 859   { US"smtp_connection",              L_smtp_connection },
 860   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 861   { US"smtp_mailauth",                LX_smtp_mailauth },
 862   { US"smtp_no_mail",                 LX_smtp_no_mail },
 863   { US"smtp_protocol_error",          L_smtp_protocol_error },
 864   { US"smtp_syntax_error",            L_smtp_syntax_error },
 865   { US"subject",                      LX_subject },
 866   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 867   { US"tls_cipher",                   LX_tls_cipher },
 868   { US"tls_peerdn",                   LX_tls_peerdn },
 869   { US"tls_sni",                      LX_tls_sni },
 870   { US"unknown_in_list",              LX_unknown_in_list }
 871 };
 872
 873 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 874 int     log_reject_target      = 0;
 875 uschar *log_selector_string    = NULL;
 876 FILE   *log_stderr             = NULL;
 877 BOOL    log_testing_mode       = FALSE;
 878 BOOL    log_timezone           = FALSE;
 879 unsigned int log_write_selector= L_default;
 880 uschar *login_sender_address   = NULL;
 881 uschar *lookup_dnssec_authenticated = NULL;
 882 int     lookup_open_max        = 25;
 883 uschar *lookup_value           = NULL;
 884
 885 macro_item  *macros            = NULL;
 886 uschar *mailstore_basename     = NULL;
 887 #ifdef WITH_CONTENT_SCAN
 888 uschar *malware_name           = NULL;  /* Virus Name */
 889 #endif
 890 int     max_received_linelength= 0;
 891 int     max_username_length    = 0;
 892 int     message_age            = 0;
 893 uschar *message_body           = NULL;
 894 uschar *message_body_end       = NULL;
 895 BOOL    message_body_newlines  = FALSE;
 896 int     message_body_size      = 0;
 897 int     message_body_visible   = 500;
 898 int     message_ended          = END_NOTSTARTED;
 899 uschar *message_headers        = NULL;
 900 uschar *message_id;
 901 uschar *message_id_domain      = NULL;
 902 uschar *message_id_text        = NULL;
 903 struct timeval message_id_tv   = { 0, 0 };
 904 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 905 uschar *message_id_external;
 906 int     message_linecount      = 0;
 907 BOOL    message_logs           = TRUE;
 908 int     message_size           = 0;
 909 uschar *message_size_limit     = US"50M";
 910 uschar  message_subdir[2]      = { 0, 0 };
 911 uschar *message_reference      = NULL;
 912
 913 /* MIME ACL expandables */
 914 #ifdef WITH_CONTENT_SCAN
 915 int     mime_anomaly_level     = 0;
 916 const uschar *mime_anomaly_text      = NULL;
 917 uschar *mime_boundary          = NULL;
 918 uschar *mime_charset           = NULL;
 919 uschar *mime_content_description = NULL;
 920 uschar *mime_content_disposition = NULL;
 921 uschar *mime_content_id        = NULL;
 922 unsigned int mime_content_size = 0;
 923 uschar *mime_content_transfer_encoding = NULL;
 924 uschar *mime_content_type      = NULL;
 925 uschar *mime_decoded_filename  = NULL;
 926 uschar *mime_filename          = NULL;
 927 int     mime_is_multipart      = 0;
 928 int     mime_is_coverletter    = 0;
 929 int     mime_is_rfc822         = 0;
 930 int     mime_part_count        = -1;
 931 #endif
 932
 933 BOOL    mua_wrapper            = FALSE;
 934
 935 uid_t  *never_users            = NULL;
 936 #ifdef WITH_CONTENT_SCAN
 937 BOOL    no_mbox_unspool        = FALSE;
 938 #endif
 939 BOOL    no_multiline_responses = FALSE;
 940
 941 uid_t   original_euid;
 942 gid_t   originator_gid;
 943 uschar *originator_login       = NULL;
 944 uschar *originator_name        = NULL;
 945 uid_t   originator_uid;
 946 uschar *override_local_interfaces = NULL;
 947 uschar *override_pid_file_path = NULL;
 948
 949 BOOL    parse_allow_group      = FALSE;
 950 BOOL    parse_found_group      = FALSE;
 951 uschar *percent_hack_domains   = NULL;
 952 uschar *pid_file_path          = US PID_FILE_PATH
 953                            "\0<--------------Space to patch pid_file_path->";
 954 BOOL    pipelining_enable      = TRUE;
 955 uschar *pipelining_advertise_hosts = US"*";
 956 BOOL    preserve_message_logs  = FALSE;
 957 uschar *primary_hostname       = NULL;
 958 BOOL    print_topbitchars      = FALSE;
 959 uschar  process_info[PROCESS_INFO_SIZE];
 960 int     process_info_len       = 0;
 961 uschar *process_log_path       = NULL;
 962 BOOL    prod_requires_admin    = TRUE;
 963
 964 #ifdef EXPERIMENTAL_PROXY
 965 uschar *proxy_host_address     = US"";
 966 int     proxy_host_port        = 0;
 967 uschar *proxy_required_hosts   = US"";
 968 BOOL    proxy_session          = FALSE;
 969 BOOL    proxy_session_failed   = FALSE;
 970 uschar *proxy_target_address   = US"";
 971 int     proxy_target_port      = 0;
 972 #endif
 973
 974 uschar *prvscheck_address      = NULL;
 975 uschar *prvscheck_keynum       = NULL;
 976 uschar *prvscheck_result       = NULL;
 977
 978
 979 uschar *qualify_domain_recipient = NULL;
 980 uschar *qualify_domain_sender  = NULL;
 981 BOOL    queue_2stage           = FALSE;
 982 uschar *queue_domains          = NULL;
 983 int     queue_interval         = -1;
 984 BOOL    queue_list_requires_admin = TRUE;
 985 BOOL    queue_only             = FALSE;
 986 uschar *queue_only_file        = NULL;
 987 int     queue_only_load        = -1;
 988 BOOL    queue_only_load_latch  = TRUE;
 989 BOOL    queue_only_override    = TRUE;
 990 BOOL    queue_only_policy      = FALSE;
 991 BOOL    queue_run_first_delivery = FALSE;
 992 BOOL    queue_run_force        = FALSE;
 993 BOOL    queue_run_in_order     = FALSE;
 994 BOOL    queue_run_local        = FALSE;
 995 int     queue_run_max          = 5;
 996 pid_t   queue_run_pid          = (pid_t)0;
 997 int     queue_run_pipe         = -1;
 998 BOOL    queue_running          = FALSE;
 999 BOOL    queue_smtp             = FALSE;
1000 uschar *queue_smtp_domains     = NULL;
1001
1002 unsigned int random_seed       = 0;
1003 tree_node *ratelimiters_cmd    = NULL;
1004 tree_node *ratelimiters_conn   = NULL;
1005 tree_node *ratelimiters_mail   = NULL;
1006 uschar *raw_active_hostname    = NULL;
1007 uschar *raw_sender             = NULL;
1008 uschar **raw_recipients        = NULL;
1009 int     raw_recipients_count   = 0;
1010
1011 int     rcpt_count             = 0;
1012 int     rcpt_fail_count        = 0;
1013 int     rcpt_defer_count       = 0;
1014 gid_t   real_gid;
1015 uid_t   real_uid;
1016 BOOL    really_exim            = TRUE;
1017 BOOL    receive_call_bombout   = FALSE;
1018 int     receive_linecount      = 0;
1019 int     receive_messagecount   = 0;
1020 int     receive_timeout        = 0;
1021 int     received_count         = 0;
1022 uschar *received_for           = NULL;
1023
1024 /*  This is the default text for Received headers generated by Exim. The
1025 date  will be automatically added on the end. */
1026
1027 uschar *received_header_text   = US
1028      "Received: "
1029      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1030      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1031      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1032      "by $primary_hostname "
1033      "${if def:received_protocol {with $received_protocol}} "
1034      #ifdef SUPPORT_TLS
1035      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1036      #endif
1037      "(Exim $version_number)\n\t"
1038      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1039      "id $message_exim_id"
1040      "${if def:received_for {\n\tfor $received_for}}"
1041      "\0<---------------Space to patch received_header_text->";
1042
1043 int     received_headers_max   = 30;
1044 uschar *received_protocol      = NULL;
1045 int     received_time          = 0;
1046 uschar *recipient_data         = NULL;
1047 uschar *recipient_unqualified_hosts = NULL;
1048 uschar *recipient_verify_failure = NULL;
1049 int     recipients_count       = 0;
1050 BOOL    recipients_discarded   = FALSE;
1051 recipient_item  *recipients_list = NULL;
1052 int     recipients_list_max    = 0;
1053 int     recipients_max         = 0;
1054 BOOL    recipients_max_reject  = FALSE;
1055 const pcre *regex_AUTH         = NULL;
1056 const pcre *regex_check_dns_names = NULL;
1057 const pcre *regex_From         = NULL;
1058 const pcre *regex_IGNOREQUOTA  = NULL;
1059 const pcre *regex_PIPELINING   = NULL;
1060 const pcre *regex_SIZE         = NULL;
1061 const pcre *regex_smtp_code    = NULL;
1062 const pcre *regex_ismsgid      = NULL;
1063 #ifdef WHITELIST_D_MACROS
1064 const pcre *regex_whitelisted_macro = NULL;
1065 #endif
1066 #ifdef WITH_CONTENT_SCAN
1067 uschar *regex_match_string     = NULL;
1068 #endif
1069 int     remote_delivery_count  = 0;
1070 int     remote_max_parallel    = 2;
1071 uschar *remote_sort_domains    = NULL;
1072 int     retry_data_expire      = 7*24*60*60;
1073 int     retry_interval_max     = 24*60*60;
1074 int     retry_maximum_timeout  = 0;        /* set from retry config */
1075 retry_config  *retries         = NULL;
1076 uschar *return_path            = NULL;
1077 BOOL    return_path_remove     = TRUE;
1078 int     rewrite_existflags     = 0;
1079 uschar *rfc1413_hosts          = US"*";
1080 int     rfc1413_query_timeout  = 5;
1081 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1082 uid_t   root_gid               = ROOT_GID;
1083 uid_t   root_uid               = ROOT_UID;
1084
1085 router_instance  *routers  = NULL;
1086 router_instance  router_defaults = {
1087     NULL,                      /* chain pointer */
1088     NULL,                      /* name */
1089     NULL,                      /* info */
1090     NULL,                      /* private options block pointer */
1091     NULL,                      /* driver name */
1092
1093     NULL,                      /* address_data */
1094 #ifdef EXPERIMENTAL_BRIGHTMAIL
1095     NULL,                      /* bmi_rule */
1096 #endif
1097     NULL,                      /* cannot_route_message */
1098     NULL,                      /* condition */
1099     NULL,                      /* current_directory */
1100     NULL,                      /* debug_string */
1101     NULL,                      /* domains */
1102     NULL,                      /* errors_to */
1103     NULL,                      /* expand_gid */
1104     NULL,                      /* expand_uid */
1105     NULL,                      /* expand_more */
1106     NULL,                      /* expand_unseen */
1107     NULL,                      /* extra_headers */
1108     NULL,                      /* fallback_hosts */
1109     NULL,                      /* home_directory */
1110     NULL,                      /* ignore_target_hosts */
1111     NULL,                      /* local_parts */
1112     NULL,                      /* pass_router_name */
1113     NULL,                      /* prefix */
1114     NULL,                      /* redirect_router_name */
1115     NULL,                      /* remove_headers */
1116     NULL,                      /* require_files */
1117     NULL,                      /* router_home_directory */
1118     US"freeze",                /* self */
1119     NULL,                      /* senders */
1120     NULL,                      /* suffix */
1121     NULL,                      /* translate_ip_address */
1122     NULL,                      /* transport_name */
1123
1124     TRUE,                      /* address_test */
1125 #ifdef EXPERIMENTAL_BRIGHTMAIL
1126     FALSE,                     /* bmi_deliver_alternate */
1127     FALSE,                     /* bmi_deliver_default */
1128     FALSE,                     /* bmi_dont_deliver */
1129 #endif
1130     TRUE,                      /* expn */
1131     FALSE,                     /* caseful_local_part */
1132     FALSE,                     /* check_local_user */
1133     FALSE,                     /* disable_logging */
1134     FALSE,                     /* fail_verify_recipient */
1135     FALSE,                     /* fail_verify_sender */
1136     FALSE,                     /* gid_set */
1137     FALSE,                     /* initgroups */
1138     TRUE_UNSET,                /* log_as_local */
1139     TRUE,                      /* more */
1140     FALSE,                     /* pass_on_timeout */
1141     FALSE,                     /* prefix_optional */
1142     TRUE,                      /* repeat_use */
1143     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1144     FALSE,                     /* same_domain_copy_routing */
1145     FALSE,                     /* self_rewrite */
1146     FALSE,                     /* suffix_optional */
1147     FALSE,                     /* verify_only */
1148     TRUE,                      /* verify_recipient */
1149     TRUE,                      /* verify_sender */
1150     FALSE,                     /* uid_set */
1151     FALSE,                     /* unseen */
1152 #ifdef EXPERIMENTAL_DSN
1153     FALSE,                     /* dsn_lasthop */
1154 #endif
1155
1156     self_freeze,               /* self_code */
1157     (uid_t)(-1),               /* uid */
1158     (gid_t)(-1),               /* gid */
1159
1160     NULL,                      /* fallback_hostlist */
1161     NULL,                      /* transport instance */
1162     NULL,                      /* pass_router */
1163     NULL                       /* redirect_router */
1164 };
1165
1166 uschar *router_name            = NULL;
1167
1168 ip_address_item *running_interfaces = NULL;
1169 BOOL    running_in_test_harness = FALSE;
1170
1171 /* This is a weird one. The following string gets patched in the binary by the
1172 script that sets up a copy of Exim for running in the test harness. It seems
1173 that compilers are now clever, and share constant strings if they can.
1174 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1175 make use of the end of this string in order to save space. So the patching then
1176 wrecks this. We defeat this optimization by adding some additional characters
1177 onto the end of the string. */
1178
1179 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1180
1181 int     runrc                  = 0;
1182
1183 uschar *search_error_message   = NULL;
1184 BOOL    search_find_defer      = FALSE;
1185 uschar *self_hostname          = NULL;
1186 uschar *sender_address         = NULL;
1187 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1188 uschar *sender_address_data    = NULL;
1189 BOOL    sender_address_forced  = FALSE;
1190 uschar *sender_address_unrewritten = NULL;
1191 uschar *sender_data            = NULL;
1192 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1193 uschar *sender_fullhost        = NULL;
1194 uschar *sender_helo_name       = NULL;
1195 uschar **sender_host_aliases   = &no_aliases;
1196 uschar *sender_host_address    = NULL;
1197 uschar *sender_host_authenticated = NULL;
1198 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1199 BOOL    sender_host_dnssec     = FALSE;
1200 uschar *sender_host_name       = NULL;
1201 int     sender_host_port       = 0;
1202 BOOL    sender_host_notsocket  = FALSE;
1203 BOOL    sender_host_unknown    = FALSE;
1204 uschar *sender_ident           = NULL;
1205 BOOL    sender_local           = FALSE;
1206 BOOL    sender_name_forced     = FALSE;
1207 uschar *sender_rate            = NULL;
1208 uschar *sender_rate_limit      = NULL;
1209 uschar *sender_rate_period     = NULL;
1210 uschar *sender_rcvhost         = NULL;
1211 BOOL    sender_set_untrusted   = FALSE;
1212 uschar *sender_unqualified_hosts = NULL;
1213 uschar *sender_verify_failure = NULL;
1214 address_item *sender_verified_list  = NULL;
1215 address_item *sender_verified_failed = NULL;
1216 int     sender_verified_rc     = -1;
1217 BOOL    sender_verified_responded = FALSE;
1218 uschar *sending_ip_address     = NULL;
1219 int     sending_port           = -1;
1220 SIGNAL_BOOL sigalrm_seen       = FALSE;
1221 uschar **sighup_argv           = NULL;
1222 int     smtp_accept_count      = 0;
1223 BOOL    smtp_accept_keepalive  = TRUE;
1224 int     smtp_accept_max        = 20;
1225 int     smtp_accept_max_nonmail= 10;
1226 uschar *smtp_accept_max_nonmail_hosts = US"*";
1227 int     smtp_accept_max_per_connection = 1000;
1228 uschar *smtp_accept_max_per_host = NULL;
1229 int     smtp_accept_queue      = 0;
1230 int     smtp_accept_queue_per_connection = 10;
1231 int     smtp_accept_reserve    = 0;
1232 uschar *smtp_active_hostname   = NULL;
1233 BOOL    smtp_authenticated     = FALSE;
1234 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1235                              "Exim $version_number $tod_full"
1236                              "\0<---------------Space to patch smtp_banner->";
1237 BOOL    smtp_batched_input     = FALSE;
1238 BOOL    smtp_check_spool_space = TRUE;
1239 int     smtp_ch_index          = 0;
1240 uschar *smtp_cmd_argument      = NULL;
1241 uschar *smtp_cmd_buffer        = NULL;
1242 time_t  smtp_connection_start  = 0;
1243 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1244 int     smtp_connect_backlog   = 20;
1245 double  smtp_delay_mail        = 0.0;
1246 double  smtp_delay_rcpt        = 0.0;
1247 BOOL    smtp_enforce_sync      = TRUE;
1248 FILE   *smtp_in                = NULL;
1249 BOOL    smtp_input             = FALSE;
1250 int     smtp_load_reserve      = -1;
1251 int     smtp_mailcmd_count     = 0;
1252 FILE   *smtp_out               = NULL;
1253 uschar *smtp_etrn_command      = NULL;
1254 BOOL    smtp_etrn_serialize    = TRUE;
1255 int     smtp_max_synprot_errors= 3;
1256 int     smtp_max_unknown_commands = 3;
1257 uschar *smtp_notquit_reason    = NULL;
1258 uschar *smtp_ratelimit_hosts   = NULL;
1259 uschar *smtp_ratelimit_mail    = NULL;
1260 uschar *smtp_ratelimit_rcpt    = NULL;
1261 uschar *smtp_read_error        = US"";
1262 int     smtp_receive_timeout   = 5*60;
1263 uschar *smtp_reserve_hosts     = NULL;
1264 BOOL    smtp_return_error_details = FALSE;
1265 int     smtp_rlm_base          = 0;
1266 double  smtp_rlm_factor        = 0.0;
1267 int     smtp_rlm_limit         = 0;
1268 int     smtp_rlm_threshold     = INT_MAX;
1269 int     smtp_rlr_base          = 0;
1270 double  smtp_rlr_factor        = 0.0;
1271 int     smtp_rlr_limit         = 0;
1272 int     smtp_rlr_threshold     = INT_MAX;
1273 BOOL    smtp_use_pipelining    = FALSE;
1274 BOOL    smtp_use_size          = FALSE;
1275
1276 #ifdef WITH_CONTENT_SCAN
1277 uschar *spamd_address          = US"127.0.0.1 783";
1278 uschar *spam_bar               = NULL;
1279 uschar *spam_report            = NULL;
1280 uschar *spam_score             = NULL;
1281 uschar *spam_score_int         = NULL;
1282 #endif
1283 #ifdef EXPERIMENTAL_SPF
1284 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1285 uschar *spf_header_comment     = NULL;
1286 uschar *spf_received           = NULL;
1287 uschar *spf_result             = NULL;
1288 uschar *spf_smtp_comment       = NULL;
1289 #endif
1290
1291 BOOL    split_spool_directory  = FALSE;
1292 uschar *spool_directory        = US SPOOL_DIRECTORY
1293                            "\0<--------------Space to patch spool_directory->";
1294 #ifdef EXPERIMENTAL_SRS
1295 uschar *srs_config             = NULL;
1296 uschar *srs_db_address         = NULL;
1297 uschar *srs_db_key             = NULL;
1298 int     srs_hashlength         = 6;
1299 int     srs_hashmin            = -1;
1300 int     srs_maxage             = 31;
1301 uschar *srs_orig_recipient     = NULL;
1302 uschar *srs_orig_sender        = NULL;
1303 uschar *srs_recipient          = NULL;
1304 uschar *srs_secrets            = NULL;
1305 uschar *srs_status             = NULL;
1306 BOOL    srs_usehash            = TRUE;
1307 BOOL    srs_usetimestamp       = TRUE;
1308 #endif
1309 BOOL    strict_acl_vars        = FALSE;
1310 int     string_datestamp_offset= -1;
1311 int     string_datestamp_length= 0;
1312 int     string_datestamp_type  = -1;
1313 BOOL    strip_excess_angle_brackets = FALSE;
1314 BOOL    strip_trailing_dot     = FALSE;
1315 uschar *submission_domain      = NULL;
1316 BOOL    submission_mode        = FALSE;
1317 uschar *submission_name        = NULL;
1318 BOOL    suppress_local_fixups  = FALSE;
1319 BOOL    suppress_local_fixups_default = FALSE;
1320 BOOL    synchronous_delivery   = FALSE;
1321 BOOL    syslog_duplication     = TRUE;
1322 int     syslog_facility        = LOG_MAIL;
1323 uschar *syslog_processname     = US"exim";
1324 BOOL    syslog_timestamp       = TRUE;
1325 uschar *system_filter          = NULL;
1326
1327 uschar *system_filter_directory_transport = NULL;
1328 uschar *system_filter_file_transport = NULL;
1329 uschar *system_filter_pipe_transport = NULL;
1330 uschar *system_filter_reply_transport = NULL;
1331
1332 gid_t   system_filter_gid      = 0;
1333 BOOL    system_filter_gid_set  = FALSE;
1334 uid_t   system_filter_uid      = (uid_t)-1;
1335 BOOL    system_filter_uid_set  = FALSE;
1336 BOOL    system_filtering       = FALSE;
1337
1338 BOOL    tcp_nodelay            = TRUE;
1339 #ifdef USE_TCP_WRAPPERS
1340 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1341 #endif
1342 int     test_harness_load_avg  = 0;
1343 int     thismessage_size_limit = 0;
1344 int     timeout_frozen_after   = 0;
1345 BOOL    timestamps_utc         = FALSE;
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     NULL,                     /* expand-multi-domain */
1361     TRUE,                     /* multi-domain */
1362     FALSE,                    /* overrides_hosts */
1363     100,                      /* max_addresses */
1364     500,                      /* connection_max_messages */
1365     FALSE,                    /* deliver_as_creator */
1366     FALSE,                    /* disable_logging */
1367     FALSE,                    /* initgroups */
1368     FALSE,                    /* uid_set */
1369     FALSE,                    /* gid_set */
1370     (uid_t)(-1),              /* uid */
1371     (gid_t)(-1),              /* gid */
1372     NULL,                     /* expand_uid */
1373     NULL,                     /* expand_gid */
1374     NULL,                     /* warn_message */
1375     NULL,                     /* shadow */
1376     NULL,                     /* shadow_condition */
1377     NULL,                     /* filter_command */
1378     NULL,                     /* add_headers */
1379     NULL,                     /* remove_headers */
1380     NULL,                     /* return_path */
1381     NULL,                     /* debug_string */
1382     NULL,                     /* message_size_limit */
1383     NULL,                     /* headers_rewrite */
1384     NULL,                     /* rewrite_rules */
1385     0,                        /* rewrite_existflags */
1386     300,                      /* filter_timeout */
1387     FALSE,                    /* body_only */
1388     FALSE,                    /* delivery_date_add */
1389     FALSE,                    /* envelope_to_add */
1390     FALSE,                    /* headers_only */
1391     FALSE,                    /* rcpt_include_affixes */
1392     FALSE,                    /* return_path_add */
1393     FALSE,                    /* return_output */
1394     FALSE,                    /* return_fail_output */
1395     FALSE,                    /* log_output */
1396     FALSE,                    /* log_fail_output */
1397     FALSE,                    /* log_defer_output */
1398     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1399                                  1 nor 0 so can detect unset */
1400 #ifdef EXPERIMENTAL_EVENT
1401    ,NULL                      /* event_action */
1402 #endif
1403 };
1404
1405 int     transport_count;
1406 uschar *transport_name          = NULL;
1407 int     transport_newlines;
1408 uschar **transport_filter_argv  = NULL;
1409 int     transport_filter_timeout;
1410 BOOL    transport_filter_timed_out = FALSE;
1411 int     transport_write_timeout= 0;
1412
1413 tree_node  *tree_dns_fails     = NULL;
1414 tree_node  *tree_duplicates    = NULL;
1415 tree_node  *tree_nonrecipients = NULL;
1416 tree_node  *tree_unusable      = NULL;
1417
1418 BOOL    trusted_caller         = FALSE;
1419 BOOL    trusted_config         = TRUE;
1420 gid_t  *trusted_groups         = NULL;
1421 uid_t  *trusted_users          = NULL;
1422 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1423
1424 uschar *unknown_login          = NULL;
1425 uschar *unknown_username       = NULL;
1426 uschar *untrusted_set_sender   = NULL;
1427
1428 /*  A regex for matching a "From_" line in an incoming message, in the form
1429
1430     From ph10 Fri Jan  5 12:35 GMT 1996
1431
1432 which  the "mail" commands send to the MTA (undocumented, of course), or in
1433 the  form
1434
1435     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1436
1437 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1438 Because  of variations in time formats, just match up to the minutes. That
1439 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1440 so  just require one digit for hours and minutes. The weekday is also absent
1441 in  some forms. */
1442
1443 uschar *uucp_from_pattern      = US
1444    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1445    "(?:"                                          /* Non-extracting bracket */
1446    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1447    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1448    ")"                                            /* End alternation */
1449    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1450
1451 uschar *uucp_from_sender       = US"$1";
1452
1453 uschar *verify_mode            = NULL;
1454 uschar *version_copyright      =
1455  US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1456    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1457 uschar *version_date           = US"?";
1458 uschar *version_cnumber        = US"????";
1459 uschar *version_string         = US"?";
1460
1461 uschar *warn_message_file      = NULL;
1462 int     warning_count          = 0;
1463 uschar *warnmsg_delay          = NULL;
1464 uschar *warnmsg_recipients     = NULL;
1465 BOOL    write_rejectlog        = TRUE;
1466
1467
1468 /*  End of globals.c */