src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2012 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* All the global variables are defined together in this one module, so
   9 that they are easy to find. */
  10
  11 #include "exim.h"
  12
  13
  14 /* Generic options for auths, all of which live inside auth_instance
  15 data blocks and hence have the opt_public flag set. */
  16
  17 optionlist optionlist_auths[] = {
  18   { "client_condition", opt_stringptr | opt_public,
  19                  (void *)(offsetof(auth_instance, client_condition)) },
  20   { "client_set_id", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, set_client_id)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(auth_instance, set_id)) }
  36 };
  37
  38 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 #endif
  53
  54 #ifdef EXPAND_DLFUNC
  55 tree_node *dlobj_anchor        = NULL;
  56 #endif
  57
  58 #ifdef LOOKUP_IBASE
  59 uschar *ibase_servers          = NULL;
  60 #endif
  61
  62 #ifdef LOOKUP_LDAP
  63 uschar *eldap_ca_cert_dir      = NULL;
  64 uschar *eldap_ca_cert_file     = NULL;
  65 uschar *eldap_cert_file        = NULL;
  66 uschar *eldap_cert_key         = NULL;
  67 uschar *eldap_cipher_suite     = NULL;
  68 uschar *eldap_default_servers  = NULL;
  69 uschar *eldap_require_cert     = NULL;
  70 int     eldap_version          = -1;
  71 BOOL    eldap_start_tls        = FALSE;
  72 #endif
  73
  74 #ifdef LOOKUP_MYSQL
  75 uschar *mysql_servers          = NULL;
  76 #endif
  77
  78 #ifdef LOOKUP_ORACLE
  79 uschar *oracle_servers         = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_PGSQL
  83 uschar *pgsql_servers          = NULL;
  84 #endif
  85
  86 #ifdef LOOKUP_SQLITE
  87 int     sqlite_lock_timeout    = 5;
  88 #endif
  89
  90 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  91 BOOL    move_frozen_messages   = FALSE;
  92 #endif
  93
  94 /* These variables are outside the #ifdef because it keeps the code less
  95 cluttered in several places (e.g. during logging) if we can always refer to
  96 them. Also, the tls_ variables are now always visible. */
  97
  98 tls_support tls_in = {
  99  -1,   /* tls_active */
 100  0,    /* tls_bits */
 101  FALSE,/* tls_certificate_verified */
 102  NULL, /* tls_cipher */
 103  FALSE,/* tls_on_connect */
 104  NULL, /* tls_on_connect_ports */
 105  NULL, /* tls_peerdn */
 106  NULL  /* tls_sni */
 107 };
 108 tls_support tls_out = {
 109  -1,   /* tls_active */
 110  0,    /* tls_bits */
 111  FALSE,/* tls_certificate_verified */
 112  NULL, /* tls_cipher */
 113  FALSE,/* tls_on_connect */
 114  NULL, /* tls_on_connect_ports */
 115  NULL, /* tls_peerdn */
 116  NULL  /* tls_sni */
 117 };
 118
 119
 120 #ifdef SUPPORT_TLS
 121 BOOL    gnutls_compat_mode     = FALSE;
 122 BOOL    gnutls_enable_pkcs11   = FALSE;
 123 uschar *gnutls_require_mac     = NULL;
 124 uschar *gnutls_require_kx      = NULL;
 125 uschar *gnutls_require_proto   = NULL;
 126 uschar *openssl_options        = NULL;
 127 const pcre *regex_STARTTLS     = NULL;
 128 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 129 uschar *tls_certificate        = NULL;
 130 uschar *tls_crl                = NULL;
 131 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 132 that's the interop problem which has been observed: GnuTLS suggesting a higher
 133 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 134 int     tls_dh_max_bits        = 2236;
 135 uschar *tls_dhparam            = NULL;
 136 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
 137 uschar *tls_ocsp_file          = NULL;
 138 #endif
 139 BOOL    tls_offered            = FALSE;
 140 uschar *tls_privatekey         = NULL;
 141 BOOL    tls_remember_esmtp     = FALSE;
 142 uschar *tls_require_ciphers    = NULL;
 143 uschar *tls_try_verify_hosts   = NULL;
 144 uschar *tls_verify_certificates= NULL;
 145 uschar *tls_verify_hosts       = NULL;
 146 #endif
 147
 148 #ifdef EXPERIMENTAL_PRDR
 149 /* Per Recipient Data Response variables */
 150 BOOL    prdr_enable            = FALSE;
 151 BOOL    prdr_requested         = FALSE;
 152 const pcre *regex_PRDR         = NULL;
 153 #endif
 154
 155 /* Input-reading functions for messages, so we can use special ones for
 156 incoming TCP/IP. The defaults use stdin. We never need these for any
 157 stand-alone tests. */
 158
 159 #ifndef STAND_ALONE
 160 int (*receive_getc)(void)      = stdin_getc;
 161 int (*receive_ungetc)(int)     = stdin_ungetc;
 162 int (*receive_feof)(void)      = stdin_feof;
 163 int (*receive_ferror)(void)    = stdin_ferror;
 164 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 165 #endif
 166
 167
 168 /* List of per-address expansion variables for clearing and saving/restoring
 169 when verifying one address while routing/verifying another. We have to have
 170 the size explicit, because it is referenced from more than one module. */
 171
 172 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 173   &deliver_address_data,
 174   &deliver_domain,
 175   &deliver_domain_data,
 176   &deliver_domain_orig,
 177   &deliver_domain_parent,
 178   &deliver_localpart,
 179   &deliver_localpart_data,
 180   &deliver_localpart_orig,
 181   &deliver_localpart_parent,
 182   &deliver_localpart_prefix,
 183   &deliver_localpart_suffix,
 184   (uschar **)(&deliver_recipients),
 185   &deliver_host,
 186   &deliver_home,
 187   &address_file,
 188   &address_pipe,
 189   &self_hostname,
 190   NULL };
 191
 192 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 193
 194 /* General global variables */
 195
 196 header_line *acl_added_headers = NULL;
 197 tree_node *acl_anchor          = NULL;
 198 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 199                                   NULL, NULL, NULL, NULL};
 200 int     acl_narg               = 0;
 201
 202 uschar *acl_not_smtp           = NULL;
 203 #ifdef WITH_CONTENT_SCAN
 204 uschar *acl_not_smtp_mime      = NULL;
 205 #endif
 206 uschar *acl_not_smtp_start     = NULL;
 207 uschar *acl_removed_headers    = NULL;
 208 uschar *acl_smtp_auth          = NULL;
 209 uschar *acl_smtp_connect       = NULL;
 210 uschar *acl_smtp_data          = NULL;
 211 #ifdef EXPERIMENTAL_PRDR
 212 uschar *acl_smtp_data_prdr     = NULL;
 213 #endif
 214 #ifndef DISABLE_DKIM
 215 uschar *acl_smtp_dkim          = NULL;
 216 #endif
 217 uschar *acl_smtp_etrn          = NULL;
 218 uschar *acl_smtp_expn          = NULL;
 219 uschar *acl_smtp_helo          = NULL;
 220 uschar *acl_smtp_mail          = NULL;
 221 uschar *acl_smtp_mailauth      = NULL;
 222 #ifdef WITH_CONTENT_SCAN
 223 uschar *acl_smtp_mime          = NULL;
 224 #endif
 225 uschar *acl_smtp_notquit       = NULL;
 226 uschar *acl_smtp_predata       = NULL;
 227 uschar *acl_smtp_quit          = NULL;
 228 uschar *acl_smtp_rcpt          = NULL;
 229 uschar *acl_smtp_starttls      = NULL;
 230 uschar *acl_smtp_vrfy          = NULL;
 231
 232 BOOL    acl_temp_details       = FALSE;
 233 tree_node *acl_var_c           = NULL;
 234 tree_node *acl_var_m           = NULL;
 235 uschar *acl_verify_message     = NULL;
 236 string_item *acl_warn_logged   = NULL;
 237
 238 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 239 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 240
 241 uschar *acl_wherenames[]       = { US"RCPT",
 242                                    US"MAIL",
 243                                    US"PREDATA",
 244                                    US"MIME",
 245                                    US"DKIM",
 246                                    US"DATA",
 247 #ifdef EXPERIMENTAL_PRDR
 248                                    US"PRDR",
 249 #endif
 250                                    US"non-SMTP",
 251                                    US"AUTH",
 252                                    US"connection",
 253                                    US"ETRN",
 254                                    US"EXPN",
 255                                    US"EHLO or HELO",
 256                                    US"MAILAUTH",
 257                                    US"non-SMTP-start",
 258                                    US"NOTQUIT",
 259                                    US"QUIT",
 260                                    US"STARTTLS",
 261                                    US"VRFY",
 262                                    US"delivery",
 263                                    US"unknown"
 264                                  };
 265
 266 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 267                                    US"550",     /* MAIL */
 268                                    US"550",     /* PREDATA */
 269                                    US"550",     /* MIME */
 270                                    US"550",     /* DKIM */
 271                                    US"550",     /* DATA */
 272 #ifdef EXPERIMENTAL_PRDR
 273                                    US"550",    /* RCPT PRDR */
 274 #endif
 275                                    US"0",       /* not SMTP; not relevant */
 276                                    US"503",     /* AUTH */
 277                                    US"550",     /* connect */
 278                                    US"458",     /* ETRN */
 279                                    US"550",     /* EXPN */
 280                                    US"550",     /* HELO/EHLO */
 281                                    US"0",       /* MAILAUTH; not relevant */
 282                                    US"0",       /* not SMTP; not relevant */
 283                                    US"0",       /* NOTQUIT; not relevant */
 284                                    US"0",       /* QUIT; not relevant */
 285                                    US"550",     /* STARTTLS */
 286                                    US"252",     /* VRFY */
 287                                    US"0",       /* delivery; not relevant */
 288                                    US"0"        /* unknown; not relevant */
 289                                  };
 290
 291 BOOL    active_local_from_check = FALSE;
 292 BOOL    active_local_sender_retain = FALSE;
 293 int     body_8bitmime = 0;
 294 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 295 address_item  *addr_duplicate  = NULL;
 296
 297 address_item address_defaults = {
 298   NULL,                 /* next */
 299   NULL,                 /* parent */
 300   NULL,                 /* first */
 301   NULL,                 /* dupof */
 302   NULL,                 /* start_router */
 303   NULL,                 /* router */
 304   NULL,                 /* transport */
 305   NULL,                 /* host_list */
 306   NULL,                 /* host_used */
 307   NULL,                 /* fallback_hosts */
 308   NULL,                 /* reply */
 309   NULL,                 /* retries */
 310   NULL,                 /* address */
 311   NULL,                 /* unique */
 312   NULL,                 /* cc_local_part */
 313   NULL,                 /* lc_local_part */
 314   NULL,                 /* local_part */
 315   NULL,                 /* prefix */
 316   NULL,                 /* suffix */
 317   NULL,                 /* domain */
 318   NULL,                 /* address_retry_key */
 319   NULL,                 /* domain_retry_key */
 320   NULL,                 /* current_dir */
 321   NULL,                 /* home_dir */
 322   NULL,                 /* message */
 323   NULL,                 /* user_message */
 324   NULL,                 /* onetime_parent */
 325   NULL,                 /* pipe_expandn */
 326   NULL,                 /* return_filename */
 327   NULL,                 /* self_hostname */
 328   NULL,                 /* shadow_message */
 329   #ifdef SUPPORT_TLS
 330   NULL,                 /* cipher */
 331   NULL,                 /* peerdn */
 332   #endif
 333   NULL,                 /* authenticator */
 334   NULL,                 /* auth_id */
 335   NULL,                 /* auth_sndr */
 336   (uid_t)(-1),          /* uid */
 337   (gid_t)(-1),          /* gid */
 338   0,                    /* flags */
 339   { 0 },                /* domain_cache - any larger array should be zeroed */
 340   { 0 },                /* localpart_cache - ditto */
 341   -1,                   /* mode */
 342   0,                    /* more_errno */
 343   ERRNO_UNKNOWNERROR,   /* basic_errno */
 344   0,                    /* child_count */
 345   -1,                   /* return_file */
 346   SPECIAL_NONE,         /* special_action */
 347   DEFER,                /* transport_return */
 348   {                     /* fields that are propagated to children */
 349     NULL,               /* address_data */
 350     NULL,               /* domain_data */
 351     NULL,               /* localpart_data */
 352     NULL,               /* errors_address */
 353     NULL,               /* extra_headers */
 354     NULL,               /* remove_headers */
 355 #ifdef EXPERIMENTAL_SRS
 356     NULL,               /* srs_sender */
 357 #endif
 358   }
 359 };
 360
 361 uschar *address_file           = NULL;
 362 uschar *address_pipe           = NULL;
 363 BOOL    address_test_mode      = FALSE;
 364 tree_node *addresslist_anchor  = NULL;
 365 int     addresslist_count      = 0;
 366 gid_t  *admin_groups           = NULL;
 367 BOOL    admin_user             = FALSE;
 368 BOOL    allow_auth_unadvertised= FALSE;
 369 BOOL    allow_domain_literals  = FALSE;
 370 BOOL    allow_mx_to_ip         = FALSE;
 371 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 372 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 373 BOOL    allow_utf8_domains     = FALSE;
 374 uschar *authenticated_fail_id  = NULL;
 375 uschar *authenticated_id       = NULL;
 376 uschar *authenticated_sender   = NULL;
 377 BOOL    authentication_failed  = FALSE;
 378 auth_instance  *auths          = NULL;
 379 uschar *auth_advertise_hosts   = US"*";
 380 auth_instance auth_defaults    = {
 381     NULL,                      /* chain pointer */
 382     NULL,                      /* name */
 383     NULL,                      /* info */
 384     NULL,                      /* private options block pointer */
 385     NULL,                      /* driver_name */
 386     NULL,                      /* advertise_condition */
 387     NULL,                      /* client_condition */
 388     NULL,                      /* public_name */
 389     NULL,                      /* set_id */
 390     NULL,                      /* set_client_id */
 391     NULL,                      /* server_mail_auth_condition */
 392     NULL,                      /* server_debug_string */
 393     NULL,                      /* server_condition */
 394     FALSE,                     /* client */
 395     FALSE,                     /* server */
 396     FALSE                      /* advertised */
 397 };
 398
 399 uschar *auth_defer_msg         = US"reason not recorded";
 400 uschar *auth_defer_user_msg    = US"";
 401 uschar *auth_vars[AUTH_VARS];
 402 int     auto_thaw              = 0;
 403 #ifdef WITH_CONTENT_SCAN
 404 BOOL    av_failed              = FALSE;
 405 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 406 #endif
 407
 408 BOOL    background_daemon      = TRUE;
 409
 410 #if BASE_62 == 62
 411 uschar *base62_chars=
 412     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 413 #else
 414 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 415 #endif
 416
 417 uschar *bi_command             = NULL;
 418 uschar *big_buffer             = NULL;
 419 int     big_buffer_size        = BIG_BUFFER_SIZE;
 420 #ifdef EXPERIMENTAL_BRIGHTMAIL
 421 uschar *bmi_alt_location       = NULL;
 422 uschar *bmi_base64_tracker_verdict = NULL;
 423 uschar *bmi_base64_verdict     = NULL;
 424 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 425 int     bmi_deliver            = 1;
 426 int     bmi_run                = 0;
 427 uschar *bmi_verdicts           = NULL;
 428 #endif
 429 int     body_linecount         = 0;
 430 int     body_zerocount         = 0;
 431 uschar *bounce_message_file    = NULL;
 432 uschar *bounce_message_text    = NULL;
 433 uschar *bounce_recipient       = NULL;
 434 BOOL    bounce_return_body     = TRUE;
 435 BOOL    bounce_return_message  = TRUE;
 436 int     bounce_return_size_limit = 100*1024;
 437 uschar *bounce_sender_authentication = NULL;
 438 int     bsmtp_transaction_linecount = 0;
 439
 440 int     callout_cache_domain_positive_expire = 7*24*60*60;
 441 int     callout_cache_domain_negative_expire = 3*60*60;
 442 int     callout_cache_positive_expire = 24*60*60;
 443 int     callout_cache_negative_expire = 2*60*60;
 444 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 445 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 446 int     check_log_inodes       = 0;
 447 int     check_log_space        = 0;
 448 BOOL    check_rfc2047_length   = TRUE;
 449 int     check_spool_inodes     = 0;
 450 int     check_spool_space      = 0;
 451 uschar  *client_authenticator  = NULL;
 452 uschar  *client_authenticated_id = NULL;
 453 uschar  *client_authenticated_sender = NULL;
 454 int     clmacro_count          = 0;
 455 uschar *clmacros[MAX_CLMACROS];
 456 BOOL    config_changed         = FALSE;
 457 FILE   *config_file            = NULL;
 458 uschar *config_filename        = NULL;
 459 int     config_lineno          = 0;
 460 #ifdef CONFIGURE_GROUP
 461 gid_t   config_gid             = CONFIGURE_GROUP;
 462 #endif
 463 uschar *config_main_filelist   = US CONFIGURE_FILE
 464                          "\0<-----------Space to patch configure_filename->";
 465 uschar *config_main_filename   = NULL;
 466
 467 #ifdef CONFIGURE_OWNER
 468 uid_t   config_uid             = CONFIGURE_OWNER;
 469 #endif
 470
 471 int     connection_max_messages= -1;
 472 uschar *continue_hostname      = NULL;
 473 uschar *continue_host_address  = NULL;
 474 BOOL    continue_more          = FALSE;
 475 int     continue_sequence      = 1;
 476 uschar *continue_transport     = NULL;
 477
 478 uschar *csa_status             = NULL;
 479 BOOL    cutthrough_delivery    = FALSE;
 480 int     cutthrough_fd          = -1;
 481
 482 BOOL    daemon_listen          = FALSE;
 483 uschar *daemon_smtp_port       = US"smtp";
 484 int     daemon_startup_retries = 9;
 485 int     daemon_startup_sleep   = 30;
 486
 487 #ifdef EXPERIMENTAL_DCC
 488 BOOL    dcc_direct_add_header  = FALSE;
 489 uschar *dcc_header             = NULL;
 490 uschar *dcc_result             = NULL;
 491 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 492 uschar *dccifd_options         = US"header";
 493 #endif
 494
 495 BOOL    debug_daemon           = FALSE;
 496 int     debug_fd               = -1;
 497 FILE   *debug_file             = NULL;
 498 bit_table debug_options[]      = {
 499   { US"acl",            D_acl },
 500   { US"all",            D_all },
 501   { US"auth",           D_auth },
 502   { US"deliver",        D_deliver },
 503   { US"dns",            D_dns },
 504   { US"dnsbl",          D_dnsbl },
 505   { US"exec",           D_exec },
 506   { US"expand",         D_expand },
 507   { US"filter",         D_filter },
 508   { US"hints_lookup",   D_hints_lookup },
 509   { US"host_lookup",    D_host_lookup },
 510   { US"ident",          D_ident },
 511   { US"interface",      D_interface },
 512   { US"lists",          D_lists },
 513   { US"load",           D_load },
 514   { US"local_scan",     D_local_scan },
 515   { US"lookup",         D_lookup },
 516   { US"memory",         D_memory },
 517   { US"pid",            D_pid },
 518   { US"process_info",   D_process_info },
 519   { US"queue_run",      D_queue_run },
 520   { US"receive",        D_receive },
 521   { US"resolver",       D_resolver },
 522   { US"retry",          D_retry },
 523   { US"rewrite",        D_rewrite },
 524   { US"route",          D_route },
 525   { US"timestamp",      D_timestamp },
 526   { US"tls",            D_tls },
 527   { US"transport",      D_transport },
 528   { US"uid",            D_uid },
 529   { US"verify",         D_verify }
 530 };
 531 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 532 unsigned int debug_selector    = 0;
 533 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 534 uschar *delay_warning_condition=
 535   US"${if or {"
 536             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 537             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 538             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 539             "} {no}{yes}}";
 540 BOOL    delivery_date_remove   = TRUE;
 541 uschar *deliver_address_data   = NULL;
 542 int     deliver_datafile       = -1;
 543 uschar *deliver_domain         = NULL;
 544 uschar *deliver_domain_data    = NULL;
 545 uschar *deliver_domain_orig    = NULL;
 546 uschar *deliver_domain_parent  = NULL;
 547 BOOL    deliver_drop_privilege = FALSE;
 548 BOOL    deliver_firsttime      = FALSE;
 549 BOOL    deliver_force          = FALSE;
 550 BOOL    deliver_freeze         = FALSE;
 551 int     deliver_frozen_at      = 0;
 552 uschar *deliver_home           = NULL;
 553 uschar *deliver_host           = NULL;
 554 uschar *deliver_host_address   = NULL;
 555 uschar *deliver_in_buffer      = NULL;
 556 ino_t   deliver_inode          = 0;
 557 uschar *deliver_localpart      = NULL;
 558 uschar *deliver_localpart_data = NULL;
 559 uschar *deliver_localpart_orig = NULL;
 560 uschar *deliver_localpart_parent = NULL;
 561 uschar *deliver_localpart_prefix = NULL;
 562 uschar *deliver_localpart_suffix = NULL;
 563 BOOL    deliver_force_thaw     = FALSE;
 564 BOOL    deliver_manual_thaw    = FALSE;
 565 uschar *deliver_out_buffer     = NULL;
 566 int     deliver_queue_load_max = -1;
 567 address_item  *deliver_recipients = NULL;
 568 uschar *deliver_selectstring   = NULL;
 569 BOOL    deliver_selectstring_regex = FALSE;
 570 uschar *deliver_selectstring_sender = NULL;
 571 BOOL    deliver_selectstring_sender_regex = FALSE;
 572 #ifdef WITH_OLD_DEMIME
 573 int     demime_errorlevel      = 0;
 574 int     demime_ok              = 0;
 575 uschar *demime_reason          = NULL;
 576 #endif
 577 BOOL    disable_callout_flush  = FALSE;
 578 BOOL    disable_delay_flush    = FALSE;
 579 #ifdef ENABLE_DISABLE_FSYNC
 580 BOOL    disable_fsync          = FALSE;
 581 #endif
 582 BOOL    disable_ipv6           = FALSE;
 583 BOOL    disable_logging        = FALSE;
 584
 585 #ifndef DISABLE_DKIM
 586 uschar *dkim_cur_signer          = NULL;
 587 uschar *dkim_signers             = NULL;
 588 uschar *dkim_signing_domain      = NULL;
 589 uschar *dkim_signing_selector    = NULL;
 590 uschar *dkim_verify_signers      = US"$dkim_signers";
 591 BOOL    dkim_collect_input       = FALSE;
 592 BOOL    dkim_disable_verify      = FALSE;
 593 #endif
 594 #ifdef EXPERIMENTAL_DMARC
 595 BOOL    dmarc_has_been_checked  = FALSE;
 596 uschar *dmarc_ar_header         = NULL;
 597 uschar *dmarc_forensic_sender   = NULL;
 598 uschar *dmarc_history_file      = NULL;
 599 uschar *dmarc_status            = NULL;
 600 uschar *dmarc_status_text       = NULL;
 601 uschar *dmarc_tld_file          = NULL;
 602 uschar *dmarc_used_domain       = NULL;
 603 BOOL    dmarc_disable_verify    = FALSE;
 604 BOOL    dmarc_enable_forensic   = FALSE;
 605 #endif
 606
 607 uschar *dns_again_means_nonexist = NULL;
 608 int     dns_csa_search_limit   = 5;
 609 BOOL    dns_csa_use_reverse    = TRUE;
 610 uschar *dns_ipv4_lookup        = NULL;
 611 int     dns_retrans            = 0;
 612 int     dns_retry              = 0;
 613 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 614 int     dns_use_edns0          = -1; /* <0 = not coerced */
 615 uschar *dnslist_domain         = NULL;
 616 uschar *dnslist_matched        = NULL;
 617 uschar *dnslist_text           = NULL;
 618 uschar *dnslist_value          = NULL;
 619 tree_node *domainlist_anchor   = NULL;
 620 int     domainlist_count       = 0;
 621 BOOL    dont_deliver           = FALSE;
 622 BOOL    dot_ends               = TRUE;
 623 BOOL    drop_cr                = FALSE;         /* No longer used */
 624 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 625
 626 BOOL    enable_dollar_recipients = FALSE;
 627 BOOL    envelope_to_remove     = TRUE;
 628 int     errno_quota            = ERRNO_QUOTA;
 629 uschar *errors_copy            = NULL;
 630 int     error_handling         = ERRORS_SENDER;
 631 uschar *errors_reply_to        = NULL;
 632 int     errors_sender_rc       = EXIT_FAILURE;
 633
 634 gid_t   exim_gid               = EXIM_GID;
 635 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 636 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 637                         "\0<---------------Space to patch exim_path->";
 638 uid_t   exim_uid               = EXIM_UID;
 639 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 640 int     expand_forbid          = 0;
 641 int     expand_nlength[EXPAND_MAXN+1];
 642 int     expand_nmax            = -1;
 643 uschar *expand_nstring[EXPAND_MAXN+1];
 644 BOOL    expand_string_forcedfail = FALSE;
 645 uschar *expand_string_message;
 646 BOOL    extract_addresses_remove_arguments = TRUE;
 647 uschar *extra_local_interfaces = NULL;
 648
 649 int     fake_response          = OK;
 650 uschar *fake_response_text     = US"Your message has been rejected but is "
 651                                    "being kept for evaluation.\nIf it was a "
 652                                    "legitimate message, it may still be "
 653                                    "delivered to the target recipient(s).";
 654 int     filter_n[FILTER_VARIABLE_COUNT];
 655 BOOL    filter_running         = FALSE;
 656 int     filter_sn[FILTER_VARIABLE_COUNT];
 657 int     filter_test            = FTEST_NONE;
 658 uschar *filter_test_sfile      = NULL;
 659 uschar *filter_test_ufile      = NULL;
 660 uschar *filter_thisaddress     = NULL;
 661 int     finduser_retries       = 0;
 662 #ifdef WITH_OLD_DEMIME
 663 uschar *found_extension        = NULL;
 664 #endif
 665 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 666 uschar *freeze_tell            = NULL;
 667 uschar *freeze_tell_config     = NULL;
 668 uschar *fudged_queue_times     = US"";
 669
 670 uschar *gecos_name             = NULL;
 671 uschar *gecos_pattern          = NULL;
 672 rewrite_rule  *global_rewrite_rules = NULL;
 673
 674 uschar *headers_charset        = US HEADERS_CHARSET;
 675 int     header_insert_maxlen   = 64 * 1024;
 676 header_line  *header_last      = NULL;
 677 header_line  *header_list      = NULL;
 678 int     header_maxsize         = HEADER_MAXSIZE;
 679 int     header_line_maxsize    = 0;
 680
 681 header_name header_names[] = {
 682   { US"bcc",            3, TRUE,  htype_bcc },
 683   { US"cc",             2, TRUE,  htype_cc },
 684   { US"date",           4, TRUE,  htype_date },
 685   { US"delivery-date", 13, FALSE, htype_delivery_date },
 686   { US"envelope-to",   11, FALSE, htype_envelope_to },
 687   { US"from",           4, TRUE,  htype_from },
 688   { US"message-id",    10, TRUE,  htype_id },
 689   { US"received",       8, FALSE, htype_received },
 690   { US"reply-to",       8, FALSE, htype_reply_to },
 691   { US"return-path",   11, FALSE, htype_return_path },
 692   { US"sender",         6, TRUE,  htype_sender },
 693   { US"subject",        7, FALSE, htype_subject },
 694   { US"to",             2, TRUE,  htype_to }
 695 };
 696
 697 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 698
 699 BOOL    header_rewritten       = FALSE;
 700 uschar *helo_accept_junk_hosts = NULL;
 701 uschar *helo_allow_chars       = US"";
 702 uschar *helo_lookup_domains    = US"@ : @[]";
 703 uschar *helo_try_verify_hosts  = NULL;
 704 BOOL    helo_verified          = FALSE;
 705 BOOL    helo_verify_failed     = FALSE;
 706 uschar *helo_verify_hosts      = NULL;
 707 const uschar *hex_digits       = CUS"0123456789abcdef";
 708 uschar *hold_domains           = NULL;
 709 BOOL    host_checking          = FALSE;
 710 BOOL    host_checking_callout  = FALSE;
 711 uschar *host_data              = NULL;
 712 BOOL    host_find_failed_syntax= FALSE;
 713 uschar *host_lookup            = NULL;
 714 BOOL    host_lookup_deferred   = FALSE;
 715 BOOL    host_lookup_failed     = FALSE;
 716 uschar *host_lookup_order      = US"bydns:byaddr";
 717 uschar *host_lookup_msg        = US"";
 718 int     host_number            = 0;
 719 uschar *host_number_string     = NULL;
 720 uschar *host_reject_connection = NULL;
 721 tree_node *hostlist_anchor     = NULL;
 722 int     hostlist_count         = 0;
 723 uschar *hosts_treat_as_local   = NULL;
 724 uschar *hosts_connection_nolog = NULL;
 725
 726 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 727 BOOL    ignore_fromline_local  = FALSE;
 728 uschar *ignore_fromline_hosts  = NULL;
 729 BOOL    inetd_wait_mode        = FALSE;
 730 int     inetd_wait_timeout     = -1;
 731 uschar *interface_address      = NULL;
 732 int     interface_port         = -1;
 733 BOOL    is_inetd               = FALSE;
 734 uschar *iterate_item           = NULL;
 735
 736 int     journal_fd             = -1;
 737
 738 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 739
 740 uschar *eldap_dn               = NULL;
 741 int     load_average           = -2;
 742 BOOL    local_error_message    = FALSE;
 743 BOOL    local_from_check       = TRUE;
 744 uschar *local_from_prefix      = NULL;
 745 uschar *local_from_suffix      = NULL;
 746
 747 #if HAVE_IPV6
 748 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 749 #else
 750 uschar *local_interfaces       = US"0.0.0.0";
 751 #endif
 752
 753 uschar *local_scan_data        = NULL;
 754 int     local_scan_timeout     = 5*60;
 755 BOOL    local_sender_retain    = FALSE;
 756 gid_t   local_user_gid         = (gid_t)(-1);
 757 uid_t   local_user_uid         = (uid_t)(-1);
 758
 759 tree_node *localpartlist_anchor= NULL;
 760 int     localpartlist_count    = 0;
 761 uschar *log_buffer             = NULL;
 762 unsigned int log_extra_selector = LX_default;
 763 uschar *log_file_path          = US LOG_FILE_PATH
 764                            "\0<--------------Space to patch log_file_path->";
 765
 766 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 767 are the ones that get put into log_write_selector. They can be used in calls to
 768 log_write() to test for the bit. The options with LX_xxx identifiers have
 769 values greater than 0x80000000 and are put into log_extra_selector (without the
 770 top bit). They are never used in calls to log_write(), but are tested
 771 independently. This separation became necessary when the number of log
 772 selectors was getting close to filling a 32-bit word. */
 773
 774 /* Note that this list must be in alphabetical order. */
 775
 776 bit_table log_options[]        = {
 777   { US"8bitmime",                     LX_8bitmime },
 778   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 779   { US"address_rewrite",              L_address_rewrite },
 780   { US"all",                          L_all },
 781   { US"all_parents",                  L_all_parents },
 782   { US"arguments",                    LX_arguments },
 783   { US"connection_reject",            L_connection_reject },
 784   { US"delay_delivery",               L_delay_delivery },
 785   { US"deliver_time",                 LX_deliver_time },
 786   { US"delivery_size",                LX_delivery_size },
 787   { US"dnslist_defer",                L_dnslist_defer },
 788   { US"etrn",                         L_etrn },
 789   { US"host_lookup_failed",           L_host_lookup_failed },
 790   { US"ident_timeout",                LX_ident_timeout },
 791   { US"incoming_interface",           LX_incoming_interface },
 792   { US"incoming_port",                LX_incoming_port },
 793   { US"lost_incoming_connection",     L_lost_incoming_connection },
 794   { US"outgoing_port",                LX_outgoing_port },
 795   { US"pid",                          LX_pid },
 796   { US"queue_run",                    L_queue_run },
 797   { US"queue_time",                   LX_queue_time },
 798   { US"queue_time_overall",           LX_queue_time_overall },
 799   { US"received_recipients",          LX_received_recipients },
 800   { US"received_sender",              LX_received_sender },
 801   { US"rejected_header",              LX_rejected_header },
 802   { US"rejected_headers",             LX_rejected_header },
 803   { US"retry_defer",                  L_retry_defer },
 804   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 805   { US"sender_on_delivery",           LX_sender_on_delivery },
 806   { US"sender_verify_fail",           LX_sender_verify_fail },
 807   { US"size_reject",                  L_size_reject },
 808   { US"skip_delivery",                L_skip_delivery },
 809   { US"smtp_confirmation",            LX_smtp_confirmation },
 810   { US"smtp_connection",              L_smtp_connection },
 811   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 812   { US"smtp_mailauth",                LX_smtp_mailauth },
 813   { US"smtp_no_mail",                 LX_smtp_no_mail },
 814   { US"smtp_protocol_error",          L_smtp_protocol_error },
 815   { US"smtp_syntax_error",            L_smtp_syntax_error },
 816   { US"subject",                      LX_subject },
 817   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 818   { US"tls_cipher",                   LX_tls_cipher },
 819   { US"tls_peerdn",                   LX_tls_peerdn },
 820   { US"tls_sni",                      LX_tls_sni },
 821   { US"unknown_in_list",              LX_unknown_in_list }
 822 };
 823
 824 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 825 int     log_reject_target      = 0;
 826 uschar *log_selector_string    = NULL;
 827 FILE   *log_stderr             = NULL;
 828 BOOL    log_testing_mode       = FALSE;
 829 BOOL    log_timezone           = FALSE;
 830 unsigned int log_write_selector= L_default;
 831 uschar *login_sender_address   = NULL;
 832 int     lookup_open_max        = 25;
 833 uschar *lookup_value           = NULL;
 834
 835 macro_item  *macros            = NULL;
 836 uschar *mailstore_basename     = NULL;
 837 #ifdef WITH_CONTENT_SCAN
 838 uschar *malware_name           = NULL;  /* Virus Name */
 839 #endif
 840 int     max_received_linelength= 0;
 841 int     max_username_length    = 0;
 842 int     message_age            = 0;
 843 uschar *message_body           = NULL;
 844 uschar *message_body_end       = NULL;
 845 BOOL    message_body_newlines  = FALSE;
 846 int     message_body_size      = 0;
 847 int     message_body_visible   = 500;
 848 int     message_ended          = END_NOTSTARTED;
 849 uschar *message_headers        = NULL;
 850 uschar *message_id;
 851 uschar *message_id_domain      = NULL;
 852 uschar *message_id_text        = NULL;
 853 struct timeval message_id_tv   = { 0, 0 };
 854 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 855 uschar *message_id_external;
 856 int     message_linecount      = 0;
 857 BOOL    message_logs           = TRUE;
 858 int     message_size           = 0;
 859 uschar *message_size_limit     = US"50M";
 860 uschar  message_subdir[2]      = { 0, 0 };
 861 uschar *message_reference      = NULL;
 862
 863 /* MIME ACL expandables */
 864 #ifdef WITH_CONTENT_SCAN
 865 int     mime_anomaly_level     = 0;
 866 const uschar *mime_anomaly_text      = NULL;
 867 uschar *mime_boundary          = NULL;
 868 uschar *mime_charset           = NULL;
 869 uschar *mime_content_description = NULL;
 870 uschar *mime_content_disposition = NULL;
 871 uschar *mime_content_id        = NULL;
 872 unsigned int mime_content_size = 0;
 873 uschar *mime_content_transfer_encoding = NULL;
 874 uschar *mime_content_type      = NULL;
 875 uschar *mime_decoded_filename  = NULL;
 876 uschar *mime_filename          = NULL;
 877 int     mime_is_multipart      = 0;
 878 int     mime_is_coverletter    = 0;
 879 int     mime_is_rfc822         = 0;
 880 int     mime_part_count        = -1;
 881 #endif
 882
 883 BOOL    mua_wrapper            = FALSE;
 884
 885 uid_t  *never_users            = NULL;
 886 #ifdef WITH_CONTENT_SCAN
 887 BOOL    no_mbox_unspool        = FALSE;
 888 #endif
 889 BOOL    no_multiline_responses = FALSE;
 890
 891 uid_t   original_euid;
 892 gid_t   originator_gid;
 893 uschar *originator_login       = NULL;
 894 uschar *originator_name        = NULL;
 895 uid_t   originator_uid;
 896 uschar *override_local_interfaces = NULL;
 897 uschar *override_pid_file_path = NULL;
 898
 899 BOOL    parse_allow_group      = FALSE;
 900 BOOL    parse_found_group      = FALSE;
 901 uschar *percent_hack_domains   = NULL;
 902 uschar *pid_file_path          = US PID_FILE_PATH
 903                            "\0<--------------Space to patch pid_file_path->";
 904 BOOL    pipelining_enable      = TRUE;
 905 uschar *pipelining_advertise_hosts = US"*";
 906 BOOL    preserve_message_logs  = FALSE;
 907 uschar *primary_hostname       = NULL;
 908 BOOL    print_topbitchars      = FALSE;
 909 uschar  process_info[PROCESS_INFO_SIZE];
 910 int     process_info_len       = 0;
 911 uschar *process_log_path       = NULL;
 912 BOOL    prod_requires_admin    = TRUE;
 913 uschar *prvscheck_address      = NULL;
 914 uschar *prvscheck_keynum       = NULL;
 915 uschar *prvscheck_result       = NULL;
 916
 917
 918 uschar *qualify_domain_recipient = NULL;
 919 uschar *qualify_domain_sender  = NULL;
 920 BOOL    queue_2stage           = FALSE;
 921 uschar *queue_domains          = NULL;
 922 int     queue_interval         = -1;
 923 BOOL    queue_list_requires_admin = TRUE;
 924 BOOL    queue_only             = FALSE;
 925 uschar *queue_only_file        = NULL;
 926 int     queue_only_load        = -1;
 927 BOOL    queue_only_load_latch  = TRUE;
 928 BOOL    queue_only_override    = TRUE;
 929 BOOL    queue_only_policy      = FALSE;
 930 BOOL    queue_run_first_delivery = FALSE;
 931 BOOL    queue_run_force        = FALSE;
 932 BOOL    queue_run_in_order     = FALSE;
 933 BOOL    queue_run_local        = FALSE;
 934 int     queue_run_max          = 5;
 935 pid_t   queue_run_pid          = (pid_t)0;
 936 int     queue_run_pipe         = -1;
 937 BOOL    queue_running          = FALSE;
 938 BOOL    queue_smtp             = FALSE;
 939 uschar *queue_smtp_domains     = NULL;
 940
 941 unsigned int random_seed       = 0;
 942 tree_node *ratelimiters_cmd    = NULL;
 943 tree_node *ratelimiters_conn   = NULL;
 944 tree_node *ratelimiters_mail   = NULL;
 945 uschar *raw_active_hostname    = NULL;
 946 uschar *raw_sender             = NULL;
 947 uschar **raw_recipients        = NULL;
 948 int     raw_recipients_count   = 0;
 949
 950 int     rcpt_count             = 0;
 951 int     rcpt_fail_count        = 0;
 952 int     rcpt_defer_count       = 0;
 953 gid_t   real_gid;
 954 uid_t   real_uid;
 955 BOOL    really_exim            = TRUE;
 956 BOOL    receive_call_bombout   = FALSE;
 957 int     receive_linecount      = 0;
 958 int     receive_messagecount   = 0;
 959 int     receive_timeout        = 0;
 960 int     received_count         = 0;
 961 uschar *received_for           = NULL;
 962
 963 /*  This is the default text for Received headers generated by Exim. The
 964 date  will be automatically added on the end. */
 965
 966 uschar *received_header_text   = US
 967      "Received: "
 968      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 969      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 970      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 971      "by $primary_hostname "
 972      "${if def:received_protocol {with $received_protocol}} "
 973      #ifdef SUPPORT_TLS
 974      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 975      #endif
 976      "(Exim $version_number)\n\t"
 977      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 978      "id $message_exim_id"
 979      "${if def:received_for {\n\tfor $received_for}}"
 980      "\0<---------------Space to patch received_header_text->";
 981
 982 int     received_headers_max   = 30;
 983 uschar *received_protocol      = NULL;
 984 int     received_time          = 0;
 985 uschar *recipient_data         = NULL;
 986 uschar *recipient_unqualified_hosts = NULL;
 987 uschar *recipient_verify_failure = NULL;
 988 int     recipients_count       = 0;
 989 BOOL    recipients_discarded   = FALSE;
 990 recipient_item  *recipients_list = NULL;
 991 int     recipients_list_max    = 0;
 992 int     recipients_max         = 0;
 993 BOOL    recipients_max_reject  = FALSE;
 994 const pcre *regex_AUTH         = NULL;
 995 const pcre *regex_check_dns_names = NULL;
 996 const pcre *regex_From         = NULL;
 997 const pcre *regex_IGNOREQUOTA  = NULL;
 998 const pcre *regex_PIPELINING   = NULL;
 999 const pcre *regex_SIZE         = NULL;
1000 const pcre *regex_smtp_code    = NULL;
1001 const pcre *regex_ismsgid      = NULL;
1002 #ifdef WHITELIST_D_MACROS
1003 const pcre *regex_whitelisted_macro = NULL;
1004 #endif
1005 #ifdef WITH_CONTENT_SCAN
1006 uschar *regex_match_string     = NULL;
1007 #endif
1008 int     remote_delivery_count  = 0;
1009 int     remote_max_parallel    = 2;
1010 uschar *remote_sort_domains    = NULL;
1011 int     retry_data_expire      = 7*24*60*60;
1012 int     retry_interval_max     = 24*60*60;
1013 int     retry_maximum_timeout  = 0;        /* set from retry config */
1014 retry_config  *retries         = NULL;
1015 uschar *return_path            = NULL;
1016 BOOL    return_path_remove     = TRUE;
1017 int     rewrite_existflags     = 0;
1018 uschar *rfc1413_hosts          = US"*";
1019 int     rfc1413_query_timeout  = 5;
1020 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1021 uid_t   root_gid               = ROOT_GID;
1022 uid_t   root_uid               = ROOT_UID;
1023
1024 router_instance  *routers  = NULL;
1025 router_instance  router_defaults = {
1026     NULL,                      /* chain pointer */
1027     NULL,                      /* name */
1028     NULL,                      /* info */
1029     NULL,                      /* private options block pointer */
1030     NULL,                      /* driver name */
1031
1032     NULL,                      /* address_data */
1033 #ifdef EXPERIMENTAL_BRIGHTMAIL
1034     NULL,                      /* bmi_rule */
1035 #endif
1036     NULL,                      /* cannot_route_message */
1037     NULL,                      /* condition */
1038     NULL,                      /* current_directory */
1039     NULL,                      /* debug_string */
1040     NULL,                      /* domains */
1041     NULL,                      /* errors_to */
1042     NULL,                      /* expand_gid */
1043     NULL,                      /* expand_uid */
1044     NULL,                      /* expand_more */
1045     NULL,                      /* expand_unseen */
1046     NULL,                      /* extra_headers */
1047     NULL,                      /* fallback_hosts */
1048     NULL,                      /* home_directory */
1049     NULL,                      /* ignore_target_hosts */
1050     NULL,                      /* local_parts */
1051     NULL,                      /* pass_router_name */
1052     NULL,                      /* prefix */
1053     NULL,                      /* redirect_router_name */
1054     NULL,                      /* remove_headers */
1055     NULL,                      /* require_files */
1056     NULL,                      /* router_home_directory */
1057     US"freeze",                /* self */
1058     NULL,                      /* senders */
1059     NULL,                      /* suffix */
1060     NULL,                      /* translate_ip_address */
1061     NULL,                      /* transport_name */
1062
1063     TRUE,                      /* address_test */
1064 #ifdef EXPERIMENTAL_BRIGHTMAIL
1065     FALSE,                     /* bmi_deliver_alternate */
1066     FALSE,                     /* bmi_deliver_default */
1067     FALSE,                     /* bmi_dont_deliver */
1068 #endif
1069     TRUE,                      /* expn */
1070     FALSE,                     /* caseful_local_part */
1071     FALSE,                     /* check_local_user */
1072     FALSE,                     /* disable_logging */
1073     FALSE,                     /* fail_verify_recipient */
1074     FALSE,                     /* fail_verify_sender */
1075     FALSE,                     /* gid_set */
1076     FALSE,                     /* initgroups */
1077     TRUE_UNSET,                /* log_as_local */
1078     TRUE,                      /* more */
1079     FALSE,                     /* pass_on_timeout */
1080     FALSE,                     /* prefix_optional */
1081     TRUE,                      /* repeat_use */
1082     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1083     FALSE,                     /* same_domain_copy_routing */
1084     FALSE,                     /* self_rewrite */
1085     FALSE,                     /* suffix_optional */
1086     FALSE,                     /* verify_only */
1087     TRUE,                      /* verify_recipient */
1088     TRUE,                      /* verify_sender */
1089     FALSE,                     /* uid_set */
1090     FALSE,                     /* unseen */
1091
1092     self_freeze,               /* self_code */
1093     (uid_t)(-1),               /* uid */
1094     (gid_t)(-1),               /* gid */
1095
1096     NULL,                      /* fallback_hostlist */
1097     NULL,                      /* transport instance */
1098     NULL,                      /* pass_router */
1099     NULL                       /* redirect_router */
1100 };
1101
1102 uschar *router_name            = NULL;
1103
1104 ip_address_item *running_interfaces = NULL;
1105 BOOL    running_in_test_harness = FALSE;
1106
1107 /* This is a weird one. The following string gets patched in the binary by the
1108 script that sets up a copy of Exim for running in the test harness. It seems
1109 that compilers are now clever, and share constant strings if they can.
1110 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1111 make use of the end of this string in order to save space. So the patching then
1112 wrecks this. We defeat this optimization by adding some additional characters
1113 onto the end of the string. */
1114
1115 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1116
1117 int     runrc                  = 0;
1118
1119 uschar *search_error_message   = NULL;
1120 BOOL    search_find_defer      = FALSE;
1121 uschar *self_hostname          = NULL;
1122 uschar *sender_address         = NULL;
1123 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1124 uschar *sender_address_data    = NULL;
1125 BOOL    sender_address_forced  = FALSE;
1126 uschar *sender_address_unrewritten = NULL;
1127 uschar *sender_data            = NULL;
1128 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1129 uschar *sender_fullhost        = NULL;
1130 uschar *sender_helo_name       = NULL;
1131 uschar **sender_host_aliases   = &no_aliases;
1132 uschar *sender_host_address    = NULL;
1133 uschar *sender_host_authenticated = NULL;
1134 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1135 BOOL    sender_host_dnssec     = FALSE;
1136 uschar *sender_host_name       = NULL;
1137 int     sender_host_port       = 0;
1138 BOOL    sender_host_notsocket  = FALSE;
1139 BOOL    sender_host_unknown    = FALSE;
1140 uschar *sender_ident           = NULL;
1141 BOOL    sender_local           = FALSE;
1142 BOOL    sender_name_forced     = FALSE;
1143 uschar *sender_rate            = NULL;
1144 uschar *sender_rate_limit      = NULL;
1145 uschar *sender_rate_period     = NULL;
1146 uschar *sender_rcvhost         = NULL;
1147 BOOL    sender_set_untrusted   = FALSE;
1148 uschar *sender_unqualified_hosts = NULL;
1149 uschar *sender_verify_failure = NULL;
1150 address_item *sender_verified_list  = NULL;
1151 address_item *sender_verified_failed = NULL;
1152 int     sender_verified_rc     = -1;
1153 BOOL    sender_verified_responded = FALSE;
1154 uschar *sending_ip_address     = NULL;
1155 int     sending_port           = -1;
1156 SIGNAL_BOOL sigalrm_seen       = FALSE;
1157 uschar **sighup_argv           = NULL;
1158 int     smtp_accept_count      = 0;
1159 BOOL    smtp_accept_keepalive  = TRUE;
1160 int     smtp_accept_max        = 20;
1161 int     smtp_accept_max_nonmail= 10;
1162 uschar *smtp_accept_max_nonmail_hosts = US"*";
1163 int     smtp_accept_max_per_connection = 1000;
1164 uschar *smtp_accept_max_per_host = NULL;
1165 int     smtp_accept_queue      = 0;
1166 int     smtp_accept_queue_per_connection = 10;
1167 int     smtp_accept_reserve    = 0;
1168 uschar *smtp_active_hostname   = NULL;
1169 BOOL    smtp_authenticated     = FALSE;
1170 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1171                              "Exim $version_number $tod_full"
1172                              "\0<---------------Space to patch smtp_banner->";
1173 BOOL    smtp_batched_input     = FALSE;
1174 BOOL    smtp_check_spool_space = TRUE;
1175 int     smtp_ch_index          = 0;
1176 uschar *smtp_cmd_argument      = NULL;
1177 uschar *smtp_cmd_buffer        = NULL;
1178 time_t  smtp_connection_start  = 0;
1179 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1180 int     smtp_connect_backlog   = 20;
1181 double  smtp_delay_mail        = 0.0;
1182 double  smtp_delay_rcpt        = 0.0;
1183 BOOL    smtp_enforce_sync      = TRUE;
1184 FILE   *smtp_in                = NULL;
1185 BOOL    smtp_input             = FALSE;
1186 int     smtp_load_reserve      = -1;
1187 int     smtp_mailcmd_count     = 0;
1188 FILE   *smtp_out               = NULL;
1189 uschar *smtp_etrn_command      = NULL;
1190 BOOL    smtp_etrn_serialize    = TRUE;
1191 int     smtp_max_synprot_errors= 3;
1192 int     smtp_max_unknown_commands = 3;
1193 uschar *smtp_notquit_reason    = NULL;
1194 uschar *smtp_ratelimit_hosts   = NULL;
1195 uschar *smtp_ratelimit_mail    = NULL;
1196 uschar *smtp_ratelimit_rcpt    = NULL;
1197 uschar *smtp_read_error        = US"";
1198 int     smtp_receive_timeout   = 5*60;
1199 uschar *smtp_reserve_hosts     = NULL;
1200 BOOL    smtp_return_error_details = FALSE;
1201 int     smtp_rlm_base          = 0;
1202 double  smtp_rlm_factor        = 0.0;
1203 int     smtp_rlm_limit         = 0;
1204 int     smtp_rlm_threshold     = INT_MAX;
1205 int     smtp_rlr_base          = 0;
1206 double  smtp_rlr_factor        = 0.0;
1207 int     smtp_rlr_limit         = 0;
1208 int     smtp_rlr_threshold     = INT_MAX;
1209 BOOL    smtp_use_pipelining    = FALSE;
1210 BOOL    smtp_use_size          = FALSE;
1211
1212 #ifdef WITH_CONTENT_SCAN
1213 uschar *spamd_address          = US"127.0.0.1 783";
1214 uschar *spam_bar               = NULL;
1215 uschar *spam_report            = NULL;
1216 uschar *spam_score             = NULL;
1217 uschar *spam_score_int         = NULL;
1218 #endif
1219 #ifdef EXPERIMENTAL_SPF
1220 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1221 uschar *spf_header_comment     = NULL;
1222 uschar *spf_received           = NULL;
1223 uschar *spf_result             = NULL;
1224 uschar *spf_smtp_comment       = NULL;
1225 #endif
1226
1227 BOOL    split_spool_directory  = FALSE;
1228 uschar *spool_directory        = US SPOOL_DIRECTORY
1229                            "\0<--------------Space to patch spool_directory->";
1230 #ifdef EXPERIMENTAL_SRS
1231 uschar *srs_config             = NULL;
1232 uschar *srs_db_address         = NULL;
1233 uschar *srs_db_key             = NULL;
1234 int     srs_hashlength         = 6;
1235 int     srs_hashmin            = -1;
1236 int     srs_maxage             = 31;
1237 uschar *srs_orig_recipient     = NULL;
1238 uschar *srs_orig_sender        = NULL;
1239 uschar *srs_recipient          = NULL;
1240 uschar *srs_secrets            = NULL;
1241 uschar *srs_status             = NULL;
1242 BOOL    srs_usehash            = TRUE;
1243 BOOL    srs_usetimestamp       = TRUE;
1244 #endif
1245 BOOL    strict_acl_vars        = FALSE;
1246 int     string_datestamp_offset= -1;
1247 int     string_datestamp_length= 0;
1248 int     string_datestamp_type  = -1;
1249 BOOL    strip_excess_angle_brackets = FALSE;
1250 BOOL    strip_trailing_dot     = FALSE;
1251 uschar *submission_domain      = NULL;
1252 BOOL    submission_mode        = FALSE;
1253 uschar *submission_name        = NULL;
1254 BOOL    suppress_local_fixups  = FALSE;
1255 BOOL    suppress_local_fixups_default = FALSE;
1256 BOOL    synchronous_delivery   = FALSE;
1257 BOOL    syslog_duplication     = TRUE;
1258 int     syslog_facility        = LOG_MAIL;
1259 uschar *syslog_processname     = US"exim";
1260 BOOL    syslog_timestamp       = TRUE;
1261 uschar *system_filter          = NULL;
1262
1263 uschar *system_filter_directory_transport = NULL;
1264 uschar *system_filter_file_transport = NULL;
1265 uschar *system_filter_pipe_transport = NULL;
1266 uschar *system_filter_reply_transport = NULL;
1267
1268 gid_t   system_filter_gid      = 0;
1269 BOOL    system_filter_gid_set  = FALSE;
1270 uid_t   system_filter_uid      = (uid_t)-1;
1271 BOOL    system_filter_uid_set  = FALSE;
1272 BOOL    system_filtering       = FALSE;
1273
1274 BOOL    tcp_nodelay            = TRUE;
1275 #ifdef USE_TCP_WRAPPERS
1276 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1277 #endif
1278 int     test_harness_load_avg  = 0;
1279 int     thismessage_size_limit = 0;
1280 int     timeout_frozen_after   = 0;
1281 BOOL    timestamps_utc         = FALSE;
1282
1283 #ifdef EXPERIMENTAL_TPDA
1284 int     tpda_defer_errno        = 0;
1285 uschar *tpda_defer_errstr       = NULL;
1286 uschar *tpda_delivery_ip        = NULL;
1287 int     tpda_delivery_port      = 0;
1288 uschar *tpda_delivery_fqdn      = NULL;
1289 uschar *tpda_delivery_local_part= NULL;
1290 uschar *tpda_delivery_domain    = NULL;
1291 uschar *tpda_delivery_confirmation = NULL;
1292 #endif
1293
1294 transport_instance  *transports = NULL;
1295
1296 transport_instance  transport_defaults = {
1297     NULL,                     /* chain pointer */
1298     NULL,                     /* name */
1299     NULL,                     /* info */
1300     NULL,                     /* private options block pointer */
1301     NULL,                     /* driver name */
1302     NULL,                     /* setup entry point */
1303     1,                        /* batch_max */
1304     NULL,                     /* batch_id */
1305     NULL,                     /* home_dir */
1306     NULL,                     /* current_dir */
1307     TRUE,                     /* multi-domain */
1308     FALSE,                    /* overrides_hosts */
1309     100,                      /* max_addresses */
1310     500,                      /* connection_max_messages */
1311     FALSE,                    /* deliver_as_creator */
1312     FALSE,                    /* disable_logging */
1313     FALSE,                    /* initgroups */
1314     FALSE,                    /* uid_set */
1315     FALSE,                    /* gid_set */
1316     (uid_t)(-1),              /* uid */
1317     (gid_t)(-1),              /* gid */
1318     NULL,                     /* expand_uid */
1319     NULL,                     /* expand_gid */
1320     NULL,                     /* warn_message */
1321     NULL,                     /* shadow */
1322     NULL,                     /* shadow_condition */
1323     NULL,                     /* filter_command */
1324     NULL,                     /* add_headers */
1325     NULL,                     /* remove_headers */
1326     NULL,                     /* return_path */
1327     NULL,                     /* debug_string */
1328     NULL,                     /* message_size_limit */
1329     NULL,                     /* headers_rewrite */
1330     NULL,                     /* rewrite_rules */
1331     0,                        /* rewrite_existflags */
1332     300,                      /* filter_timeout */
1333     FALSE,                    /* body_only */
1334     FALSE,                    /* delivery_date_add */
1335     FALSE,                    /* envelope_to_add */
1336     FALSE,                    /* headers_only */
1337     FALSE,                    /* rcpt_include_affixes */
1338     FALSE,                    /* return_path_add */
1339     FALSE,                    /* return_output */
1340     FALSE,                    /* return_fail_output */
1341     FALSE,                    /* log_output */
1342     FALSE,                    /* log_fail_output */
1343     FALSE,                    /* log_defer_output */
1344     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1345                                  1 nor 0 so can detect unset */
1346 };
1347
1348 int     transport_count;
1349 uschar *transport_name          = NULL;
1350 int     transport_newlines;
1351 uschar **transport_filter_argv  = NULL;
1352 int     transport_filter_timeout;
1353 BOOL    transport_filter_timed_out = FALSE;
1354 int     transport_write_timeout= 0;
1355
1356 tree_node  *tree_dns_fails     = NULL;
1357 tree_node  *tree_duplicates    = NULL;
1358 tree_node  *tree_nonrecipients = NULL;
1359 tree_node  *tree_unusable      = NULL;
1360
1361 BOOL    trusted_caller         = FALSE;
1362 BOOL    trusted_config         = TRUE;
1363 gid_t  *trusted_groups         = NULL;
1364 uid_t  *trusted_users          = NULL;
1365 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1366
1367 uschar *unknown_login          = NULL;
1368 uschar *unknown_username       = NULL;
1369 uschar *untrusted_set_sender   = NULL;
1370
1371 /*  A regex for matching a "From_" line in an incoming message, in the form
1372
1373     From ph10 Fri Jan  5 12:35 GMT 1996
1374
1375 which  the "mail" commands send to the MTA (undocumented, of course), or in
1376 the  form
1377
1378     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1379
1380 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1381 Because  of variations in time formats, just match up to the minutes. That
1382 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1383 so  just require one digit for hours and minutes. The weekday is also absent
1384 in  some forms. */
1385
1386 uschar *uucp_from_pattern      = US
1387    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1388    "(?:"                                          /* Non-extracting bracket */
1389    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1390    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1391    ")"                                            /* End alternation */
1392    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1393
1394 uschar *uucp_from_sender       = US"$1";
1395
1396 uschar *warn_message_file      = NULL;
1397 uschar *warnmsg_delay          = NULL;
1398 uschar *warnmsg_recipients     = NULL;
1399 BOOL    write_rejectlog        = TRUE;
1400
1401 uschar *version_copyright      =
1402  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1403    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1404 uschar *version_date           = US"?";
1405 uschar *version_cnumber        = US"????";
1406 uschar *version_string         = US"?";
1407
1408 int     warning_count          = 0;
1409
1410 /*  End of globals.c */