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 EXPERIMENTAL_REDIS
  87 uschar *redis_servers          = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_SQLITE
  91 int     sqlite_lock_timeout    = 5;
  92 #endif
  93
  94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  95 BOOL    move_frozen_messages   = FALSE;
  96 #endif
  97
  98 /* These variables are outside the #ifdef because it keeps the code less
  99 cluttered in several places (e.g. during logging) if we can always refer to
 100 them. Also, the tls_ variables are now always visible. */
 101
 102 tls_support tls_in = {
 103  -1,   /* tls_active */
 104  0,    /* tls_bits */
 105  FALSE,/* tls_certificate_verified */
 106  NULL, /* tls_cipher */
 107  FALSE,/* tls_on_connect */
 108  NULL, /* tls_on_connect_ports */
 109  NULL, /* tls_peerdn */
 110  NULL  /* tls_sni */
 111 };
 112 tls_support tls_out = {
 113  -1,   /* tls_active */
 114  0,    /* tls_bits */
 115  FALSE,/* tls_certificate_verified */
 116  NULL, /* tls_cipher */
 117  FALSE,/* tls_on_connect */
 118  NULL, /* tls_on_connect_ports */
 119  NULL, /* tls_peerdn */
 120  NULL  /* tls_sni */
 121 };
 122
 123
 124 #ifdef SUPPORT_TLS
 125 BOOL    gnutls_compat_mode     = FALSE;
 126 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 127 uschar *gnutls_require_mac     = NULL;
 128 uschar *gnutls_require_kx      = NULL;
 129 uschar *gnutls_require_proto   = NULL;
 130 uschar *openssl_options        = NULL;
 131 const pcre *regex_STARTTLS     = NULL;
 132 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 133 uschar *tls_certificate        = NULL;
 134 uschar *tls_crl                = NULL;
 135 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 136 that's the interop problem which has been observed: GnuTLS suggesting a higher
 137 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 138 int     tls_dh_max_bits        = 2236;
 139 uschar *tls_dhparam            = NULL;
 140 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
 141 uschar *tls_ocsp_file          = NULL;
 142 #endif
 143 BOOL    tls_offered            = FALSE;
 144 uschar *tls_privatekey         = NULL;
 145 BOOL    tls_remember_esmtp     = FALSE;
 146 uschar *tls_require_ciphers    = NULL;
 147 uschar *tls_try_verify_hosts   = NULL;
 148 uschar *tls_verify_certificates= NULL;
 149 uschar *tls_verify_hosts       = NULL;
 150 #endif
 151
 152 #ifdef EXPERIMENTAL_PRDR
 153 /* Per Recipient Data Response variables */
 154 BOOL    prdr_enable            = FALSE;
 155 BOOL    prdr_requested         = FALSE;
 156 const pcre *regex_PRDR         = NULL;
 157 #endif
 158
 159 /* Input-reading functions for messages, so we can use special ones for
 160 incoming TCP/IP. The defaults use stdin. We never need these for any
 161 stand-alone tests. */
 162
 163 #ifndef STAND_ALONE
 164 int (*receive_getc)(void)      = stdin_getc;
 165 int (*receive_ungetc)(int)     = stdin_ungetc;
 166 int (*receive_feof)(void)      = stdin_feof;
 167 int (*receive_ferror)(void)    = stdin_ferror;
 168 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 169 #endif
 170
 171
 172 /* List of per-address expansion variables for clearing and saving/restoring
 173 when verifying one address while routing/verifying another. We have to have
 174 the size explicit, because it is referenced from more than one module. */
 175
 176 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 177   &deliver_address_data,
 178   &deliver_domain,
 179   &deliver_domain_data,
 180   &deliver_domain_orig,
 181   &deliver_domain_parent,
 182   &deliver_localpart,
 183   &deliver_localpart_data,
 184   &deliver_localpart_orig,
 185   &deliver_localpart_parent,
 186   &deliver_localpart_prefix,
 187   &deliver_localpart_suffix,
 188   (uschar **)(&deliver_recipients),
 189   &deliver_host,
 190   &deliver_home,
 191   &address_file,
 192   &address_pipe,
 193   &self_hostname,
 194   NULL };
 195
 196 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 197
 198 /* General global variables */
 199
 200 header_line *acl_added_headers = NULL;
 201 tree_node *acl_anchor          = NULL;
 202 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 203                                   NULL, NULL, NULL, NULL};
 204 int     acl_narg               = 0;
 205
 206 uschar *acl_not_smtp           = NULL;
 207 #ifdef WITH_CONTENT_SCAN
 208 uschar *acl_not_smtp_mime      = NULL;
 209 #endif
 210 uschar *acl_not_smtp_start     = NULL;
 211 uschar *acl_removed_headers    = NULL;
 212 uschar *acl_smtp_auth          = NULL;
 213 uschar *acl_smtp_connect       = NULL;
 214 uschar *acl_smtp_data          = NULL;
 215 #ifdef EXPERIMENTAL_PRDR
 216 uschar *acl_smtp_data_prdr     = NULL;
 217 #endif
 218 #ifndef DISABLE_DKIM
 219 uschar *acl_smtp_dkim          = NULL;
 220 #endif
 221 uschar *acl_smtp_etrn          = NULL;
 222 uschar *acl_smtp_expn          = NULL;
 223 uschar *acl_smtp_helo          = NULL;
 224 uschar *acl_smtp_mail          = NULL;
 225 uschar *acl_smtp_mailauth      = NULL;
 226 #ifdef WITH_CONTENT_SCAN
 227 uschar *acl_smtp_mime          = NULL;
 228 #endif
 229 uschar *acl_smtp_notquit       = NULL;
 230 uschar *acl_smtp_predata       = NULL;
 231 uschar *acl_smtp_quit          = NULL;
 232 uschar *acl_smtp_rcpt          = NULL;
 233 uschar *acl_smtp_starttls      = NULL;
 234 uschar *acl_smtp_vrfy          = NULL;
 235
 236 BOOL    acl_temp_details       = FALSE;
 237 tree_node *acl_var_c           = NULL;
 238 tree_node *acl_var_m           = NULL;
 239 uschar *acl_verify_message     = NULL;
 240 string_item *acl_warn_logged   = NULL;
 241
 242 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 243 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 244
 245 uschar *acl_wherenames[]       = { US"RCPT",
 246                                    US"MAIL",
 247                                    US"PREDATA",
 248                                    US"MIME",
 249                                    US"DKIM",
 250                                    US"DATA",
 251 #ifdef EXPERIMENTAL_PRDR
 252                                    US"PRDR",
 253 #endif
 254                                    US"non-SMTP",
 255                                    US"AUTH",
 256                                    US"connection",
 257                                    US"ETRN",
 258                                    US"EXPN",
 259                                    US"EHLO or HELO",
 260                                    US"MAILAUTH",
 261                                    US"non-SMTP-start",
 262                                    US"NOTQUIT",
 263                                    US"QUIT",
 264                                    US"STARTTLS",
 265                                    US"VRFY",
 266                                    US"delivery",
 267                                    US"unknown"
 268                                  };
 269
 270 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 271                                    US"550",     /* MAIL */
 272                                    US"550",     /* PREDATA */
 273                                    US"550",     /* MIME */
 274                                    US"550",     /* DKIM */
 275                                    US"550",     /* DATA */
 276 #ifdef EXPERIMENTAL_PRDR
 277                                    US"550",    /* RCPT PRDR */
 278 #endif
 279                                    US"0",       /* not SMTP; not relevant */
 280                                    US"503",     /* AUTH */
 281                                    US"550",     /* connect */
 282                                    US"458",     /* ETRN */
 283                                    US"550",     /* EXPN */
 284                                    US"550",     /* HELO/EHLO */
 285                                    US"0",       /* MAILAUTH; not relevant */
 286                                    US"0",       /* not SMTP; not relevant */
 287                                    US"0",       /* NOTQUIT; not relevant */
 288                                    US"0",       /* QUIT; not relevant */
 289                                    US"550",     /* STARTTLS */
 290                                    US"252",     /* VRFY */
 291                                    US"0",       /* delivery; not relevant */
 292                                    US"0"        /* unknown; not relevant */
 293                                  };
 294
 295 BOOL    active_local_from_check = FALSE;
 296 BOOL    active_local_sender_retain = FALSE;
 297 int     body_8bitmime = 0;
 298 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 299 address_item  *addr_duplicate  = NULL;
 300
 301 address_item address_defaults = {
 302   NULL,                 /* next */
 303   NULL,                 /* parent */
 304   NULL,                 /* first */
 305   NULL,                 /* dupof */
 306   NULL,                 /* start_router */
 307   NULL,                 /* router */
 308   NULL,                 /* transport */
 309   NULL,                 /* host_list */
 310   NULL,                 /* host_used */
 311   NULL,                 /* fallback_hosts */
 312   NULL,                 /* reply */
 313   NULL,                 /* retries */
 314   NULL,                 /* address */
 315   NULL,                 /* unique */
 316   NULL,                 /* cc_local_part */
 317   NULL,                 /* lc_local_part */
 318   NULL,                 /* local_part */
 319   NULL,                 /* prefix */
 320   NULL,                 /* suffix */
 321   NULL,                 /* domain */
 322   NULL,                 /* address_retry_key */
 323   NULL,                 /* domain_retry_key */
 324   NULL,                 /* current_dir */
 325   NULL,                 /* home_dir */
 326   NULL,                 /* message */
 327   NULL,                 /* user_message */
 328   NULL,                 /* onetime_parent */
 329   NULL,                 /* pipe_expandn */
 330   NULL,                 /* return_filename */
 331   NULL,                 /* self_hostname */
 332   NULL,                 /* shadow_message */
 333   #ifdef SUPPORT_TLS
 334   NULL,                 /* cipher */
 335   NULL,                 /* peerdn */
 336   #endif
 337   NULL,                 /* authenticator */
 338   NULL,                 /* auth_id */
 339   NULL,                 /* auth_sndr */
 340   (uid_t)(-1),          /* uid */
 341   (gid_t)(-1),          /* gid */
 342   0,                    /* flags */
 343   { 0 },                /* domain_cache - any larger array should be zeroed */
 344   { 0 },                /* localpart_cache - ditto */
 345   -1,                   /* mode */
 346   0,                    /* more_errno */
 347   ERRNO_UNKNOWNERROR,   /* basic_errno */
 348   0,                    /* child_count */
 349   -1,                   /* return_file */
 350   SPECIAL_NONE,         /* special_action */
 351   DEFER,                /* transport_return */
 352   {                     /* fields that are propagated to children */
 353     NULL,               /* address_data */
 354     NULL,               /* domain_data */
 355     NULL,               /* localpart_data */
 356     NULL,               /* errors_address */
 357     NULL,               /* extra_headers */
 358     NULL,               /* remove_headers */
 359 #ifdef EXPERIMENTAL_SRS
 360     NULL,               /* srs_sender */
 361 #endif
 362   }
 363 };
 364
 365 uschar *address_file           = NULL;
 366 uschar *address_pipe           = NULL;
 367 BOOL    address_test_mode      = FALSE;
 368 tree_node *addresslist_anchor  = NULL;
 369 int     addresslist_count      = 0;
 370 gid_t  *admin_groups           = NULL;
 371 BOOL    admin_user             = FALSE;
 372 BOOL    allow_auth_unadvertised= FALSE;
 373 BOOL    allow_domain_literals  = FALSE;
 374 BOOL    allow_mx_to_ip         = FALSE;
 375 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 376 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 377 BOOL    allow_utf8_domains     = FALSE;
 378 uschar *authenticated_fail_id  = NULL;
 379 uschar *authenticated_id       = NULL;
 380 uschar *authenticated_sender   = NULL;
 381 BOOL    authentication_failed  = FALSE;
 382 auth_instance  *auths          = NULL;
 383 uschar *auth_advertise_hosts   = US"*";
 384 auth_instance auth_defaults    = {
 385     NULL,                      /* chain pointer */
 386     NULL,                      /* name */
 387     NULL,                      /* info */
 388     NULL,                      /* private options block pointer */
 389     NULL,                      /* driver_name */
 390     NULL,                      /* advertise_condition */
 391     NULL,                      /* client_condition */
 392     NULL,                      /* public_name */
 393     NULL,                      /* set_id */
 394     NULL,                      /* set_client_id */
 395     NULL,                      /* server_mail_auth_condition */
 396     NULL,                      /* server_debug_string */
 397     NULL,                      /* server_condition */
 398     FALSE,                     /* client */
 399     FALSE,                     /* server */
 400     FALSE                      /* advertised */
 401 };
 402
 403 uschar *auth_defer_msg         = US"reason not recorded";
 404 uschar *auth_defer_user_msg    = US"";
 405 uschar *auth_vars[AUTH_VARS];
 406 int     auto_thaw              = 0;
 407 #ifdef WITH_CONTENT_SCAN
 408 BOOL    av_failed              = FALSE;
 409 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 410 #endif
 411
 412 BOOL    background_daemon      = TRUE;
 413
 414 #if BASE_62 == 62
 415 uschar *base62_chars=
 416     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 417 #else
 418 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 419 #endif
 420
 421 uschar *bi_command             = NULL;
 422 uschar *big_buffer             = NULL;
 423 int     big_buffer_size        = BIG_BUFFER_SIZE;
 424 #ifdef EXPERIMENTAL_BRIGHTMAIL
 425 uschar *bmi_alt_location       = NULL;
 426 uschar *bmi_base64_tracker_verdict = NULL;
 427 uschar *bmi_base64_verdict     = NULL;
 428 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 429 int     bmi_deliver            = 1;
 430 int     bmi_run                = 0;
 431 uschar *bmi_verdicts           = NULL;
 432 #endif
 433 int     body_linecount         = 0;
 434 int     body_zerocount         = 0;
 435 uschar *bounce_message_file    = NULL;
 436 uschar *bounce_message_text    = NULL;
 437 uschar *bounce_recipient       = NULL;
 438 BOOL    bounce_return_body     = TRUE;
 439 BOOL    bounce_return_message  = TRUE;
 440 int     bounce_return_size_limit = 100*1024;
 441 uschar *bounce_sender_authentication = NULL;
 442 int     bsmtp_transaction_linecount = 0;
 443
 444 int     callout_cache_domain_positive_expire = 7*24*60*60;
 445 int     callout_cache_domain_negative_expire = 3*60*60;
 446 int     callout_cache_positive_expire = 24*60*60;
 447 int     callout_cache_negative_expire = 2*60*60;
 448 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 449 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 450 int     check_log_inodes       = 0;
 451 int     check_log_space        = 0;
 452 BOOL    check_rfc2047_length   = TRUE;
 453 int     check_spool_inodes     = 0;
 454 int     check_spool_space      = 0;
 455 uschar  *client_authenticator  = NULL;
 456 uschar  *client_authenticated_id = NULL;
 457 uschar  *client_authenticated_sender = NULL;
 458 int     clmacro_count          = 0;
 459 uschar *clmacros[MAX_CLMACROS];
 460 BOOL    config_changed         = FALSE;
 461 FILE   *config_file            = NULL;
 462 uschar *config_filename        = NULL;
 463 int     config_lineno          = 0;
 464 #ifdef CONFIGURE_GROUP
 465 gid_t   config_gid             = CONFIGURE_GROUP;
 466 #endif
 467 uschar *config_main_filelist   = US CONFIGURE_FILE
 468                          "\0<-----------Space to patch configure_filename->";
 469 uschar *config_main_filename   = NULL;
 470
 471 #ifdef CONFIGURE_OWNER
 472 uid_t   config_uid             = CONFIGURE_OWNER;
 473 #endif
 474
 475 int     connection_max_messages= -1;
 476 uschar *continue_hostname      = NULL;
 477 uschar *continue_host_address  = NULL;
 478 BOOL    continue_more          = FALSE;
 479 int     continue_sequence      = 1;
 480 uschar *continue_transport     = NULL;
 481
 482 uschar *csa_status             = NULL;
 483 BOOL    cutthrough_delivery    = FALSE;
 484 int     cutthrough_fd          = -1;
 485
 486 BOOL    daemon_listen          = FALSE;
 487 uschar *daemon_smtp_port       = US"smtp";
 488 int     daemon_startup_retries = 9;
 489 int     daemon_startup_sleep   = 30;
 490
 491 #ifdef EXPERIMENTAL_DCC
 492 BOOL    dcc_direct_add_header  = FALSE;
 493 uschar *dcc_header             = NULL;
 494 uschar *dcc_result             = NULL;
 495 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 496 uschar *dccifd_options         = US"header";
 497 #endif
 498
 499 BOOL    debug_daemon           = FALSE;
 500 int     debug_fd               = -1;
 501 FILE   *debug_file             = NULL;
 502 bit_table debug_options[]      = {
 503   { US"acl",            D_acl },
 504   { US"all",            D_all },
 505   { US"auth",           D_auth },
 506   { US"deliver",        D_deliver },
 507   { US"dns",            D_dns },
 508   { US"dnsbl",          D_dnsbl },
 509   { US"exec",           D_exec },
 510   { US"expand",         D_expand },
 511   { US"filter",         D_filter },
 512   { US"hints_lookup",   D_hints_lookup },
 513   { US"host_lookup",    D_host_lookup },
 514   { US"ident",          D_ident },
 515   { US"interface",      D_interface },
 516   { US"lists",          D_lists },
 517   { US"load",           D_load },
 518   { US"local_scan",     D_local_scan },
 519   { US"lookup",         D_lookup },
 520   { US"memory",         D_memory },
 521   { US"pid",            D_pid },
 522   { US"process_info",   D_process_info },
 523   { US"queue_run",      D_queue_run },
 524   { US"receive",        D_receive },
 525   { US"resolver",       D_resolver },
 526   { US"retry",          D_retry },
 527   { US"rewrite",        D_rewrite },
 528   { US"route",          D_route },
 529   { US"timestamp",      D_timestamp },
 530   { US"tls",            D_tls },
 531   { US"transport",      D_transport },
 532   { US"uid",            D_uid },
 533   { US"verify",         D_verify }
 534 };
 535 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 536 unsigned int debug_selector    = 0;
 537 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 538 uschar *delay_warning_condition=
 539   US"${if or {"
 540             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 541             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 542             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 543             "} {no}{yes}}";
 544 BOOL    delivery_date_remove   = TRUE;
 545 uschar *deliver_address_data   = NULL;
 546 int     deliver_datafile       = -1;
 547 uschar *deliver_domain         = NULL;
 548 uschar *deliver_domain_data    = NULL;
 549 uschar *deliver_domain_orig    = NULL;
 550 uschar *deliver_domain_parent  = NULL;
 551 BOOL    deliver_drop_privilege = FALSE;
 552 BOOL    deliver_firsttime      = FALSE;
 553 BOOL    deliver_force          = FALSE;
 554 BOOL    deliver_freeze         = FALSE;
 555 int     deliver_frozen_at      = 0;
 556 uschar *deliver_home           = NULL;
 557 uschar *deliver_host           = NULL;
 558 uschar *deliver_host_address   = NULL;
 559 uschar *deliver_in_buffer      = NULL;
 560 ino_t   deliver_inode          = 0;
 561 uschar *deliver_localpart      = NULL;
 562 uschar *deliver_localpart_data = NULL;
 563 uschar *deliver_localpart_orig = NULL;
 564 uschar *deliver_localpart_parent = NULL;
 565 uschar *deliver_localpart_prefix = NULL;
 566 uschar *deliver_localpart_suffix = NULL;
 567 BOOL    deliver_force_thaw     = FALSE;
 568 BOOL    deliver_manual_thaw    = FALSE;
 569 uschar *deliver_out_buffer     = NULL;
 570 int     deliver_queue_load_max = -1;
 571 address_item  *deliver_recipients = NULL;
 572 uschar *deliver_selectstring   = NULL;
 573 BOOL    deliver_selectstring_regex = FALSE;
 574 uschar *deliver_selectstring_sender = NULL;
 575 BOOL    deliver_selectstring_sender_regex = FALSE;
 576 #ifdef WITH_OLD_DEMIME
 577 int     demime_errorlevel      = 0;
 578 int     demime_ok              = 0;
 579 uschar *demime_reason          = NULL;
 580 #endif
 581 BOOL    disable_callout_flush  = FALSE;
 582 BOOL    disable_delay_flush    = FALSE;
 583 #ifdef ENABLE_DISABLE_FSYNC
 584 BOOL    disable_fsync          = FALSE;
 585 #endif
 586 BOOL    disable_ipv6           = FALSE;
 587 BOOL    disable_logging        = FALSE;
 588
 589 #ifndef DISABLE_DKIM
 590 uschar *dkim_cur_signer          = NULL;
 591 uschar *dkim_signers             = NULL;
 592 uschar *dkim_signing_domain      = NULL;
 593 uschar *dkim_signing_selector    = NULL;
 594 uschar *dkim_verify_signers      = US"$dkim_signers";
 595 BOOL    dkim_collect_input       = FALSE;
 596 BOOL    dkim_disable_verify      = FALSE;
 597 #endif
 598 #ifdef EXPERIMENTAL_DMARC
 599 BOOL    dmarc_has_been_checked  = FALSE;
 600 uschar *dmarc_ar_header         = NULL;
 601 uschar *dmarc_forensic_sender   = NULL;
 602 uschar *dmarc_history_file      = NULL;
 603 uschar *dmarc_status            = NULL;
 604 uschar *dmarc_status_text       = NULL;
 605 uschar *dmarc_tld_file          = NULL;
 606 uschar *dmarc_used_domain       = NULL;
 607 BOOL    dmarc_disable_verify    = FALSE;
 608 BOOL    dmarc_enable_forensic   = FALSE;
 609 #endif
 610
 611 uschar *dns_again_means_nonexist = NULL;
 612 int     dns_csa_search_limit   = 5;
 613 BOOL    dns_csa_use_reverse    = TRUE;
 614 uschar *dns_ipv4_lookup        = NULL;
 615 int     dns_retrans            = 0;
 616 int     dns_retry              = 0;
 617 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 618 int     dns_use_edns0          = -1; /* <0 = not coerced */
 619 uschar *dnslist_domain         = NULL;
 620 uschar *dnslist_matched        = NULL;
 621 uschar *dnslist_text           = NULL;
 622 uschar *dnslist_value          = NULL;
 623 tree_node *domainlist_anchor   = NULL;
 624 int     domainlist_count       = 0;
 625 BOOL    dont_deliver           = FALSE;
 626 BOOL    dot_ends               = TRUE;
 627 BOOL    drop_cr                = FALSE;         /* No longer used */
 628 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 629
 630 BOOL    enable_dollar_recipients = FALSE;
 631 BOOL    envelope_to_remove     = TRUE;
 632 int     errno_quota            = ERRNO_QUOTA;
 633 uschar *errors_copy            = NULL;
 634 int     error_handling         = ERRORS_SENDER;
 635 uschar *errors_reply_to        = NULL;
 636 int     errors_sender_rc       = EXIT_FAILURE;
 637
 638 gid_t   exim_gid               = EXIM_GID;
 639 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 640 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 641                         "\0<---------------Space to patch exim_path->";
 642 uid_t   exim_uid               = EXIM_UID;
 643 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 644 int     expand_forbid          = 0;
 645 int     expand_nlength[EXPAND_MAXN+1];
 646 int     expand_nmax            = -1;
 647 uschar *expand_nstring[EXPAND_MAXN+1];
 648 BOOL    expand_string_forcedfail = FALSE;
 649 uschar *expand_string_message;
 650 BOOL    extract_addresses_remove_arguments = TRUE;
 651 uschar *extra_local_interfaces = NULL;
 652
 653 int     fake_response          = OK;
 654 uschar *fake_response_text     = US"Your message has been rejected but is "
 655                                    "being kept for evaluation.\nIf it was a "
 656                                    "legitimate message, it may still be "
 657                                    "delivered to the target recipient(s).";
 658 int     filter_n[FILTER_VARIABLE_COUNT];
 659 BOOL    filter_running         = FALSE;
 660 int     filter_sn[FILTER_VARIABLE_COUNT];
 661 int     filter_test            = FTEST_NONE;
 662 uschar *filter_test_sfile      = NULL;
 663 uschar *filter_test_ufile      = NULL;
 664 uschar *filter_thisaddress     = NULL;
 665 int     finduser_retries       = 0;
 666 #ifdef WITH_OLD_DEMIME
 667 uschar *found_extension        = NULL;
 668 #endif
 669 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 670 uschar *freeze_tell            = NULL;
 671 uschar *freeze_tell_config     = NULL;
 672 uschar *fudged_queue_times     = US"";
 673
 674 uschar *gecos_name             = NULL;
 675 uschar *gecos_pattern          = NULL;
 676 rewrite_rule  *global_rewrite_rules = NULL;
 677
 678 uschar *headers_charset        = US HEADERS_CHARSET;
 679 int     header_insert_maxlen   = 64 * 1024;
 680 header_line  *header_last      = NULL;
 681 header_line  *header_list      = NULL;
 682 int     header_maxsize         = HEADER_MAXSIZE;
 683 int     header_line_maxsize    = 0;
 684
 685 header_name header_names[] = {
 686   { US"bcc",            3, TRUE,  htype_bcc },
 687   { US"cc",             2, TRUE,  htype_cc },
 688   { US"date",           4, TRUE,  htype_date },
 689   { US"delivery-date", 13, FALSE, htype_delivery_date },
 690   { US"envelope-to",   11, FALSE, htype_envelope_to },
 691   { US"from",           4, TRUE,  htype_from },
 692   { US"message-id",    10, TRUE,  htype_id },
 693   { US"received",       8, FALSE, htype_received },
 694   { US"reply-to",       8, FALSE, htype_reply_to },
 695   { US"return-path",   11, FALSE, htype_return_path },
 696   { US"sender",         6, TRUE,  htype_sender },
 697   { US"subject",        7, FALSE, htype_subject },
 698   { US"to",             2, TRUE,  htype_to }
 699 };
 700
 701 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 702
 703 BOOL    header_rewritten       = FALSE;
 704 uschar *helo_accept_junk_hosts = NULL;
 705 uschar *helo_allow_chars       = US"";
 706 uschar *helo_lookup_domains    = US"@ : @[]";
 707 uschar *helo_try_verify_hosts  = NULL;
 708 BOOL    helo_verified          = FALSE;
 709 BOOL    helo_verify_failed     = FALSE;
 710 uschar *helo_verify_hosts      = NULL;
 711 const uschar *hex_digits       = CUS"0123456789abcdef";
 712 uschar *hold_domains           = NULL;
 713 BOOL    host_checking          = FALSE;
 714 BOOL    host_checking_callout  = FALSE;
 715 uschar *host_data              = NULL;
 716 BOOL    host_find_failed_syntax= FALSE;
 717 uschar *host_lookup            = NULL;
 718 BOOL    host_lookup_deferred   = FALSE;
 719 BOOL    host_lookup_failed     = FALSE;
 720 uschar *host_lookup_order      = US"bydns:byaddr";
 721 uschar *host_lookup_msg        = US"";
 722 int     host_number            = 0;
 723 uschar *host_number_string     = NULL;
 724 uschar *host_reject_connection = NULL;
 725 tree_node *hostlist_anchor     = NULL;
 726 int     hostlist_count         = 0;
 727 uschar *hosts_treat_as_local   = NULL;
 728 uschar *hosts_connection_nolog = NULL;
 729
 730 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 731 BOOL    ignore_fromline_local  = FALSE;
 732 uschar *ignore_fromline_hosts  = NULL;
 733 BOOL    inetd_wait_mode        = FALSE;
 734 int     inetd_wait_timeout     = -1;
 735 uschar *interface_address      = NULL;
 736 int     interface_port         = -1;
 737 BOOL    is_inetd               = FALSE;
 738 uschar *iterate_item           = NULL;
 739
 740 int     journal_fd             = -1;
 741
 742 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 743
 744 uschar *eldap_dn               = NULL;
 745 int     load_average           = -2;
 746 BOOL    local_error_message    = FALSE;
 747 BOOL    local_from_check       = TRUE;
 748 uschar *local_from_prefix      = NULL;
 749 uschar *local_from_suffix      = NULL;
 750
 751 #if HAVE_IPV6
 752 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 753 #else
 754 uschar *local_interfaces       = US"0.0.0.0";
 755 #endif
 756
 757 uschar *local_scan_data        = NULL;
 758 int     local_scan_timeout     = 5*60;
 759 BOOL    local_sender_retain    = FALSE;
 760 gid_t   local_user_gid         = (gid_t)(-1);
 761 uid_t   local_user_uid         = (uid_t)(-1);
 762
 763 tree_node *localpartlist_anchor= NULL;
 764 int     localpartlist_count    = 0;
 765 uschar *log_buffer             = NULL;
 766 unsigned int log_extra_selector = LX_default;
 767 uschar *log_file_path          = US LOG_FILE_PATH
 768                            "\0<--------------Space to patch log_file_path->";
 769
 770 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 771 are the ones that get put into log_write_selector. They can be used in calls to
 772 log_write() to test for the bit. The options with LX_xxx identifiers have
 773 values greater than 0x80000000 and are put into log_extra_selector (without the
 774 top bit). They are never used in calls to log_write(), but are tested
 775 independently. This separation became necessary when the number of log
 776 selectors was getting close to filling a 32-bit word. */
 777
 778 /* Note that this list must be in alphabetical order. */
 779
 780 bit_table log_options[]        = {
 781   { US"8bitmime",                     LX_8bitmime },
 782   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 783   { US"address_rewrite",              L_address_rewrite },
 784   { US"all",                          L_all },
 785   { US"all_parents",                  L_all_parents },
 786   { US"arguments",                    LX_arguments },
 787   { US"connection_reject",            L_connection_reject },
 788   { US"delay_delivery",               L_delay_delivery },
 789   { US"deliver_time",                 LX_deliver_time },
 790   { US"delivery_size",                LX_delivery_size },
 791   { US"dnslist_defer",                L_dnslist_defer },
 792   { US"etrn",                         L_etrn },
 793   { US"host_lookup_failed",           L_host_lookup_failed },
 794   { US"ident_timeout",                LX_ident_timeout },
 795   { US"incoming_interface",           LX_incoming_interface },
 796   { US"incoming_port",                LX_incoming_port },
 797   { US"lost_incoming_connection",     L_lost_incoming_connection },
 798   { US"outgoing_port",                LX_outgoing_port },
 799   { US"pid",                          LX_pid },
 800   { US"queue_run",                    L_queue_run },
 801   { US"queue_time",                   LX_queue_time },
 802   { US"queue_time_overall",           LX_queue_time_overall },
 803   { US"received_recipients",          LX_received_recipients },
 804   { US"received_sender",              LX_received_sender },
 805   { US"rejected_header",              LX_rejected_header },
 806   { US"rejected_headers",             LX_rejected_header },
 807   { US"retry_defer",                  L_retry_defer },
 808   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 809   { US"sender_on_delivery",           LX_sender_on_delivery },
 810   { US"sender_verify_fail",           LX_sender_verify_fail },
 811   { US"size_reject",                  L_size_reject },
 812   { US"skip_delivery",                L_skip_delivery },
 813   { US"smtp_confirmation",            LX_smtp_confirmation },
 814   { US"smtp_connection",              L_smtp_connection },
 815   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 816   { US"smtp_mailauth",                LX_smtp_mailauth },
 817   { US"smtp_no_mail",                 LX_smtp_no_mail },
 818   { US"smtp_protocol_error",          L_smtp_protocol_error },
 819   { US"smtp_syntax_error",            L_smtp_syntax_error },
 820   { US"subject",                      LX_subject },
 821   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 822   { US"tls_cipher",                   LX_tls_cipher },
 823   { US"tls_peerdn",                   LX_tls_peerdn },
 824   { US"tls_sni",                      LX_tls_sni },
 825   { US"unknown_in_list",              LX_unknown_in_list }
 826 };
 827
 828 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 829 int     log_reject_target      = 0;
 830 uschar *log_selector_string    = NULL;
 831 FILE   *log_stderr             = NULL;
 832 BOOL    log_testing_mode       = FALSE;
 833 BOOL    log_timezone           = FALSE;
 834 unsigned int log_write_selector= L_default;
 835 uschar *login_sender_address   = NULL;
 836 int     lookup_open_max        = 25;
 837 uschar *lookup_value           = NULL;
 838
 839 macro_item  *macros            = NULL;
 840 uschar *mailstore_basename     = NULL;
 841 #ifdef WITH_CONTENT_SCAN
 842 uschar *malware_name           = NULL;  /* Virus Name */
 843 #endif
 844 int     max_received_linelength= 0;
 845 int     max_username_length    = 0;
 846 int     message_age            = 0;
 847 uschar *message_body           = NULL;
 848 uschar *message_body_end       = NULL;
 849 BOOL    message_body_newlines  = FALSE;
 850 int     message_body_size      = 0;
 851 int     message_body_visible   = 500;
 852 int     message_ended          = END_NOTSTARTED;
 853 uschar *message_headers        = NULL;
 854 uschar *message_id;
 855 uschar *message_id_domain      = NULL;
 856 uschar *message_id_text        = NULL;
 857 struct timeval message_id_tv   = { 0, 0 };
 858 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 859 uschar *message_id_external;
 860 int     message_linecount      = 0;
 861 BOOL    message_logs           = TRUE;
 862 int     message_size           = 0;
 863 uschar *message_size_limit     = US"50M";
 864 uschar  message_subdir[2]      = { 0, 0 };
 865 uschar *message_reference      = NULL;
 866
 867 /* MIME ACL expandables */
 868 #ifdef WITH_CONTENT_SCAN
 869 int     mime_anomaly_level     = 0;
 870 const uschar *mime_anomaly_text      = NULL;
 871 uschar *mime_boundary          = NULL;
 872 uschar *mime_charset           = NULL;
 873 uschar *mime_content_description = NULL;
 874 uschar *mime_content_disposition = NULL;
 875 uschar *mime_content_id        = NULL;
 876 unsigned int mime_content_size = 0;
 877 uschar *mime_content_transfer_encoding = NULL;
 878 uschar *mime_content_type      = NULL;
 879 uschar *mime_decoded_filename  = NULL;
 880 uschar *mime_filename          = NULL;
 881 int     mime_is_multipart      = 0;
 882 int     mime_is_coverletter    = 0;
 883 int     mime_is_rfc822         = 0;
 884 int     mime_part_count        = -1;
 885 #endif
 886
 887 BOOL    mua_wrapper            = FALSE;
 888
 889 uid_t  *never_users            = NULL;
 890 #ifdef WITH_CONTENT_SCAN
 891 BOOL    no_mbox_unspool        = FALSE;
 892 #endif
 893 BOOL    no_multiline_responses = FALSE;
 894
 895 uid_t   original_euid;
 896 gid_t   originator_gid;
 897 uschar *originator_login       = NULL;
 898 uschar *originator_name        = NULL;
 899 uid_t   originator_uid;
 900 uschar *override_local_interfaces = NULL;
 901 uschar *override_pid_file_path = NULL;
 902
 903 BOOL    parse_allow_group      = FALSE;
 904 BOOL    parse_found_group      = FALSE;
 905 uschar *percent_hack_domains   = NULL;
 906 uschar *pid_file_path          = US PID_FILE_PATH
 907                            "\0<--------------Space to patch pid_file_path->";
 908 BOOL    pipelining_enable      = TRUE;
 909 uschar *pipelining_advertise_hosts = US"*";
 910 BOOL    preserve_message_logs  = FALSE;
 911 uschar *primary_hostname       = NULL;
 912 BOOL    print_topbitchars      = FALSE;
 913 uschar  process_info[PROCESS_INFO_SIZE];
 914 int     process_info_len       = 0;
 915 uschar *process_log_path       = NULL;
 916 BOOL    prod_requires_admin    = TRUE;
 917 uschar *prvscheck_address      = NULL;
 918 uschar *prvscheck_keynum       = NULL;
 919 uschar *prvscheck_result       = NULL;
 920
 921
 922 uschar *qualify_domain_recipient = NULL;
 923 uschar *qualify_domain_sender  = NULL;
 924 BOOL    queue_2stage           = FALSE;
 925 uschar *queue_domains          = NULL;
 926 int     queue_interval         = -1;
 927 BOOL    queue_list_requires_admin = TRUE;
 928 BOOL    queue_only             = FALSE;
 929 uschar *queue_only_file        = NULL;
 930 int     queue_only_load        = -1;
 931 BOOL    queue_only_load_latch  = TRUE;
 932 BOOL    queue_only_override    = TRUE;
 933 BOOL    queue_only_policy      = FALSE;
 934 BOOL    queue_run_first_delivery = FALSE;
 935 BOOL    queue_run_force        = FALSE;
 936 BOOL    queue_run_in_order     = FALSE;
 937 BOOL    queue_run_local        = FALSE;
 938 int     queue_run_max          = 5;
 939 pid_t   queue_run_pid          = (pid_t)0;
 940 int     queue_run_pipe         = -1;
 941 BOOL    queue_running          = FALSE;
 942 BOOL    queue_smtp             = FALSE;
 943 uschar *queue_smtp_domains     = NULL;
 944
 945 unsigned int random_seed       = 0;
 946 tree_node *ratelimiters_cmd    = NULL;
 947 tree_node *ratelimiters_conn   = NULL;
 948 tree_node *ratelimiters_mail   = NULL;
 949 uschar *raw_active_hostname    = NULL;
 950 uschar *raw_sender             = NULL;
 951 uschar **raw_recipients        = NULL;
 952 int     raw_recipients_count   = 0;
 953
 954 int     rcpt_count             = 0;
 955 int     rcpt_fail_count        = 0;
 956 int     rcpt_defer_count       = 0;
 957 gid_t   real_gid;
 958 uid_t   real_uid;
 959 BOOL    really_exim            = TRUE;
 960 BOOL    receive_call_bombout   = FALSE;
 961 int     receive_linecount      = 0;
 962 int     receive_messagecount   = 0;
 963 int     receive_timeout        = 0;
 964 int     received_count         = 0;
 965 uschar *received_for           = NULL;
 966
 967 /*  This is the default text for Received headers generated by Exim. The
 968 date  will be automatically added on the end. */
 969
 970 uschar *received_header_text   = US
 971      "Received: "
 972      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 973      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 974      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 975      "by $primary_hostname "
 976      "${if def:received_protocol {with $received_protocol}} "
 977      #ifdef SUPPORT_TLS
 978      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 979      #endif
 980      "(Exim $version_number)\n\t"
 981      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 982      "id $message_exim_id"
 983      "${if def:received_for {\n\tfor $received_for}}"
 984      "\0<---------------Space to patch received_header_text->";
 985
 986 int     received_headers_max   = 30;
 987 uschar *received_protocol      = NULL;
 988 int     received_time          = 0;
 989 uschar *recipient_data         = NULL;
 990 uschar *recipient_unqualified_hosts = NULL;
 991 uschar *recipient_verify_failure = NULL;
 992 int     recipients_count       = 0;
 993 BOOL    recipients_discarded   = FALSE;
 994 recipient_item  *recipients_list = NULL;
 995 int     recipients_list_max    = 0;
 996 int     recipients_max         = 0;
 997 BOOL    recipients_max_reject  = FALSE;
 998 const pcre *regex_AUTH         = NULL;
 999 const pcre *regex_check_dns_names = NULL;
1000 const pcre *regex_From         = NULL;
1001 const pcre *regex_IGNOREQUOTA  = NULL;
1002 const pcre *regex_PIPELINING   = NULL;
1003 const pcre *regex_SIZE         = NULL;
1004 const pcre *regex_smtp_code    = NULL;
1005 const pcre *regex_ismsgid      = NULL;
1006 #ifdef WHITELIST_D_MACROS
1007 const pcre *regex_whitelisted_macro = NULL;
1008 #endif
1009 #ifdef WITH_CONTENT_SCAN
1010 uschar *regex_match_string     = NULL;
1011 #endif
1012 int     remote_delivery_count  = 0;
1013 int     remote_max_parallel    = 2;
1014 uschar *remote_sort_domains    = NULL;
1015 int     retry_data_expire      = 7*24*60*60;
1016 int     retry_interval_max     = 24*60*60;
1017 int     retry_maximum_timeout  = 0;        /* set from retry config */
1018 retry_config  *retries         = NULL;
1019 uschar *return_path            = NULL;
1020 BOOL    return_path_remove     = TRUE;
1021 int     rewrite_existflags     = 0;
1022 uschar *rfc1413_hosts          = US"*";
1023 int     rfc1413_query_timeout  = 5;
1024 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1025 uid_t   root_gid               = ROOT_GID;
1026 uid_t   root_uid               = ROOT_UID;
1027
1028 router_instance  *routers  = NULL;
1029 router_instance  router_defaults = {
1030     NULL,                      /* chain pointer */
1031     NULL,                      /* name */
1032     NULL,                      /* info */
1033     NULL,                      /* private options block pointer */
1034     NULL,                      /* driver name */
1035
1036     NULL,                      /* address_data */
1037 #ifdef EXPERIMENTAL_BRIGHTMAIL
1038     NULL,                      /* bmi_rule */
1039 #endif
1040     NULL,                      /* cannot_route_message */
1041     NULL,                      /* condition */
1042     NULL,                      /* current_directory */
1043     NULL,                      /* debug_string */
1044     NULL,                      /* domains */
1045     NULL,                      /* errors_to */
1046     NULL,                      /* expand_gid */
1047     NULL,                      /* expand_uid */
1048     NULL,                      /* expand_more */
1049     NULL,                      /* expand_unseen */
1050     NULL,                      /* extra_headers */
1051     NULL,                      /* fallback_hosts */
1052     NULL,                      /* home_directory */
1053     NULL,                      /* ignore_target_hosts */
1054     NULL,                      /* local_parts */
1055     NULL,                      /* pass_router_name */
1056     NULL,                      /* prefix */
1057     NULL,                      /* redirect_router_name */
1058     NULL,                      /* remove_headers */
1059     NULL,                      /* require_files */
1060     NULL,                      /* router_home_directory */
1061     US"freeze",                /* self */
1062     NULL,                      /* senders */
1063     NULL,                      /* suffix */
1064     NULL,                      /* translate_ip_address */
1065     NULL,                      /* transport_name */
1066
1067     TRUE,                      /* address_test */
1068 #ifdef EXPERIMENTAL_BRIGHTMAIL
1069     FALSE,                     /* bmi_deliver_alternate */
1070     FALSE,                     /* bmi_deliver_default */
1071     FALSE,                     /* bmi_dont_deliver */
1072 #endif
1073     TRUE,                      /* expn */
1074     FALSE,                     /* caseful_local_part */
1075     FALSE,                     /* check_local_user */
1076     FALSE,                     /* disable_logging */
1077     FALSE,                     /* fail_verify_recipient */
1078     FALSE,                     /* fail_verify_sender */
1079     FALSE,                     /* gid_set */
1080     FALSE,                     /* initgroups */
1081     TRUE_UNSET,                /* log_as_local */
1082     TRUE,                      /* more */
1083     FALSE,                     /* pass_on_timeout */
1084     FALSE,                     /* prefix_optional */
1085     TRUE,                      /* repeat_use */
1086     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1087     FALSE,                     /* same_domain_copy_routing */
1088     FALSE,                     /* self_rewrite */
1089     FALSE,                     /* suffix_optional */
1090     FALSE,                     /* verify_only */
1091     TRUE,                      /* verify_recipient */
1092     TRUE,                      /* verify_sender */
1093     FALSE,                     /* uid_set */
1094     FALSE,                     /* unseen */
1095
1096     self_freeze,               /* self_code */
1097     (uid_t)(-1),               /* uid */
1098     (gid_t)(-1),               /* gid */
1099
1100     NULL,                      /* fallback_hostlist */
1101     NULL,                      /* transport instance */
1102     NULL,                      /* pass_router */
1103     NULL                       /* redirect_router */
1104 };
1105
1106 uschar *router_name            = NULL;
1107
1108 ip_address_item *running_interfaces = NULL;
1109 BOOL    running_in_test_harness = FALSE;
1110
1111 /* This is a weird one. The following string gets patched in the binary by the
1112 script that sets up a copy of Exim for running in the test harness. It seems
1113 that compilers are now clever, and share constant strings if they can.
1114 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1115 make use of the end of this string in order to save space. So the patching then
1116 wrecks this. We defeat this optimization by adding some additional characters
1117 onto the end of the string. */
1118
1119 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1120
1121 int     runrc                  = 0;
1122
1123 uschar *search_error_message   = NULL;
1124 BOOL    search_find_defer      = FALSE;
1125 uschar *self_hostname          = NULL;
1126 uschar *sender_address         = NULL;
1127 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1128 uschar *sender_address_data    = NULL;
1129 BOOL    sender_address_forced  = FALSE;
1130 uschar *sender_address_unrewritten = NULL;
1131 uschar *sender_data            = NULL;
1132 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1133 uschar *sender_fullhost        = NULL;
1134 uschar *sender_helo_name       = NULL;
1135 uschar **sender_host_aliases   = &no_aliases;
1136 uschar *sender_host_address    = NULL;
1137 uschar *sender_host_authenticated = NULL;
1138 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1139 BOOL    sender_host_dnssec     = FALSE;
1140 uschar *sender_host_name       = NULL;
1141 int     sender_host_port       = 0;
1142 BOOL    sender_host_notsocket  = FALSE;
1143 BOOL    sender_host_unknown    = FALSE;
1144 uschar *sender_ident           = NULL;
1145 BOOL    sender_local           = FALSE;
1146 BOOL    sender_name_forced     = FALSE;
1147 uschar *sender_rate            = NULL;
1148 uschar *sender_rate_limit      = NULL;
1149 uschar *sender_rate_period     = NULL;
1150 uschar *sender_rcvhost         = NULL;
1151 BOOL    sender_set_untrusted   = FALSE;
1152 uschar *sender_unqualified_hosts = NULL;
1153 uschar *sender_verify_failure = NULL;
1154 address_item *sender_verified_list  = NULL;
1155 address_item *sender_verified_failed = NULL;
1156 int     sender_verified_rc     = -1;
1157 BOOL    sender_verified_responded = FALSE;
1158 uschar *sending_ip_address     = NULL;
1159 int     sending_port           = -1;
1160 SIGNAL_BOOL sigalrm_seen       = FALSE;
1161 uschar **sighup_argv           = NULL;
1162 int     smtp_accept_count      = 0;
1163 BOOL    smtp_accept_keepalive  = TRUE;
1164 int     smtp_accept_max        = 20;
1165 int     smtp_accept_max_nonmail= 10;
1166 uschar *smtp_accept_max_nonmail_hosts = US"*";
1167 int     smtp_accept_max_per_connection = 1000;
1168 uschar *smtp_accept_max_per_host = NULL;
1169 int     smtp_accept_queue      = 0;
1170 int     smtp_accept_queue_per_connection = 10;
1171 int     smtp_accept_reserve    = 0;
1172 uschar *smtp_active_hostname   = NULL;
1173 BOOL    smtp_authenticated     = FALSE;
1174 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1175                              "Exim $version_number $tod_full"
1176                              "\0<---------------Space to patch smtp_banner->";
1177 BOOL    smtp_batched_input     = FALSE;
1178 BOOL    smtp_check_spool_space = TRUE;
1179 int     smtp_ch_index          = 0;
1180 uschar *smtp_cmd_argument      = NULL;
1181 uschar *smtp_cmd_buffer        = NULL;
1182 time_t  smtp_connection_start  = 0;
1183 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1184 int     smtp_connect_backlog   = 20;
1185 double  smtp_delay_mail        = 0.0;
1186 double  smtp_delay_rcpt        = 0.0;
1187 BOOL    smtp_enforce_sync      = TRUE;
1188 FILE   *smtp_in                = NULL;
1189 BOOL    smtp_input             = FALSE;
1190 int     smtp_load_reserve      = -1;
1191 int     smtp_mailcmd_count     = 0;
1192 FILE   *smtp_out               = NULL;
1193 uschar *smtp_etrn_command      = NULL;
1194 BOOL    smtp_etrn_serialize    = TRUE;
1195 int     smtp_max_synprot_errors= 3;
1196 int     smtp_max_unknown_commands = 3;
1197 uschar *smtp_notquit_reason    = NULL;
1198 uschar *smtp_ratelimit_hosts   = NULL;
1199 uschar *smtp_ratelimit_mail    = NULL;
1200 uschar *smtp_ratelimit_rcpt    = NULL;
1201 uschar *smtp_read_error        = US"";
1202 int     smtp_receive_timeout   = 5*60;
1203 uschar *smtp_reserve_hosts     = NULL;
1204 BOOL    smtp_return_error_details = FALSE;
1205 int     smtp_rlm_base          = 0;
1206 double  smtp_rlm_factor        = 0.0;
1207 int     smtp_rlm_limit         = 0;
1208 int     smtp_rlm_threshold     = INT_MAX;
1209 int     smtp_rlr_base          = 0;
1210 double  smtp_rlr_factor        = 0.0;
1211 int     smtp_rlr_limit         = 0;
1212 int     smtp_rlr_threshold     = INT_MAX;
1213 BOOL    smtp_use_pipelining    = FALSE;
1214 BOOL    smtp_use_size          = FALSE;
1215
1216 #ifdef WITH_CONTENT_SCAN
1217 uschar *spamd_address          = US"127.0.0.1 783";
1218 uschar *spam_bar               = NULL;
1219 uschar *spam_report            = NULL;
1220 uschar *spam_score             = NULL;
1221 uschar *spam_score_int         = NULL;
1222 #endif
1223 #ifdef EXPERIMENTAL_SPF
1224 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1225 uschar *spf_header_comment     = NULL;
1226 uschar *spf_received           = NULL;
1227 uschar *spf_result             = NULL;
1228 uschar *spf_smtp_comment       = NULL;
1229 #endif
1230
1231 BOOL    split_spool_directory  = FALSE;
1232 uschar *spool_directory        = US SPOOL_DIRECTORY
1233                            "\0<--------------Space to patch spool_directory->";
1234 #ifdef EXPERIMENTAL_SRS
1235 uschar *srs_config             = NULL;
1236 uschar *srs_db_address         = NULL;
1237 uschar *srs_db_key             = NULL;
1238 int     srs_hashlength         = 6;
1239 int     srs_hashmin            = -1;
1240 int     srs_maxage             = 31;
1241 uschar *srs_orig_recipient     = NULL;
1242 uschar *srs_orig_sender        = NULL;
1243 uschar *srs_recipient          = NULL;
1244 uschar *srs_secrets            = NULL;
1245 uschar *srs_status             = NULL;
1246 BOOL    srs_usehash            = TRUE;
1247 BOOL    srs_usetimestamp       = TRUE;
1248 #endif
1249 BOOL    strict_acl_vars        = FALSE;
1250 int     string_datestamp_offset= -1;
1251 int     string_datestamp_length= 0;
1252 int     string_datestamp_type  = -1;
1253 BOOL    strip_excess_angle_brackets = FALSE;
1254 BOOL    strip_trailing_dot     = FALSE;
1255 uschar *submission_domain      = NULL;
1256 BOOL    submission_mode        = FALSE;
1257 uschar *submission_name        = NULL;
1258 BOOL    suppress_local_fixups  = FALSE;
1259 BOOL    suppress_local_fixups_default = FALSE;
1260 BOOL    synchronous_delivery   = FALSE;
1261 BOOL    syslog_duplication     = TRUE;
1262 int     syslog_facility        = LOG_MAIL;
1263 uschar *syslog_processname     = US"exim";
1264 BOOL    syslog_timestamp       = TRUE;
1265 uschar *system_filter          = NULL;
1266
1267 uschar *system_filter_directory_transport = NULL;
1268 uschar *system_filter_file_transport = NULL;
1269 uschar *system_filter_pipe_transport = NULL;
1270 uschar *system_filter_reply_transport = NULL;
1271
1272 gid_t   system_filter_gid      = 0;
1273 BOOL    system_filter_gid_set  = FALSE;
1274 uid_t   system_filter_uid      = (uid_t)-1;
1275 BOOL    system_filter_uid_set  = FALSE;
1276 BOOL    system_filtering       = FALSE;
1277
1278 BOOL    tcp_nodelay            = TRUE;
1279 #ifdef USE_TCP_WRAPPERS
1280 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1281 #endif
1282 int     test_harness_load_avg  = 0;
1283 int     thismessage_size_limit = 0;
1284 int     timeout_frozen_after   = 0;
1285 BOOL    timestamps_utc         = FALSE;
1286
1287 #ifdef EXPERIMENTAL_TPDA
1288 int     tpda_defer_errno        = 0;
1289 uschar *tpda_defer_errstr       = NULL;
1290 uschar *tpda_delivery_ip        = NULL;
1291 int     tpda_delivery_port      = 0;
1292 uschar *tpda_delivery_fqdn      = NULL;
1293 uschar *tpda_delivery_local_part= NULL;
1294 uschar *tpda_delivery_domain    = NULL;
1295 uschar *tpda_delivery_confirmation = NULL;
1296 #endif
1297
1298 transport_instance  *transports = NULL;
1299
1300 transport_instance  transport_defaults = {
1301     NULL,                     /* chain pointer */
1302     NULL,                     /* name */
1303     NULL,                     /* info */
1304     NULL,                     /* private options block pointer */
1305     NULL,                     /* driver name */
1306     NULL,                     /* setup entry point */
1307     1,                        /* batch_max */
1308     NULL,                     /* batch_id */
1309     NULL,                     /* home_dir */
1310     NULL,                     /* current_dir */
1311     TRUE,                     /* multi-domain */
1312     FALSE,                    /* overrides_hosts */
1313     100,                      /* max_addresses */
1314     500,                      /* connection_max_messages */
1315     FALSE,                    /* deliver_as_creator */
1316     FALSE,                    /* disable_logging */
1317     FALSE,                    /* initgroups */
1318     FALSE,                    /* uid_set */
1319     FALSE,                    /* gid_set */
1320     (uid_t)(-1),              /* uid */
1321     (gid_t)(-1),              /* gid */
1322     NULL,                     /* expand_uid */
1323     NULL,                     /* expand_gid */
1324     NULL,                     /* warn_message */
1325     NULL,                     /* shadow */
1326     NULL,                     /* shadow_condition */
1327     NULL,                     /* filter_command */
1328     NULL,                     /* add_headers */
1329     NULL,                     /* remove_headers */
1330     NULL,                     /* return_path */
1331     NULL,                     /* debug_string */
1332     NULL,                     /* message_size_limit */
1333     NULL,                     /* headers_rewrite */
1334     NULL,                     /* rewrite_rules */
1335     0,                        /* rewrite_existflags */
1336     300,                      /* filter_timeout */
1337     FALSE,                    /* body_only */
1338     FALSE,                    /* delivery_date_add */
1339     FALSE,                    /* envelope_to_add */
1340     FALSE,                    /* headers_only */
1341     FALSE,                    /* rcpt_include_affixes */
1342     FALSE,                    /* return_path_add */
1343     FALSE,                    /* return_output */
1344     FALSE,                    /* return_fail_output */
1345     FALSE,                    /* log_output */
1346     FALSE,                    /* log_fail_output */
1347     FALSE,                    /* log_defer_output */
1348     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1349                                  1 nor 0 so can detect unset */
1350 };
1351
1352 int     transport_count;
1353 uschar *transport_name          = NULL;
1354 int     transport_newlines;
1355 uschar **transport_filter_argv  = NULL;
1356 int     transport_filter_timeout;
1357 BOOL    transport_filter_timed_out = FALSE;
1358 int     transport_write_timeout= 0;
1359
1360 tree_node  *tree_dns_fails     = NULL;
1361 tree_node  *tree_duplicates    = NULL;
1362 tree_node  *tree_nonrecipients = NULL;
1363 tree_node  *tree_unusable      = NULL;
1364
1365 BOOL    trusted_caller         = FALSE;
1366 BOOL    trusted_config         = TRUE;
1367 gid_t  *trusted_groups         = NULL;
1368 uid_t  *trusted_users          = NULL;
1369 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1370
1371 uschar *unknown_login          = NULL;
1372 uschar *unknown_username       = NULL;
1373 uschar *untrusted_set_sender   = NULL;
1374
1375 /*  A regex for matching a "From_" line in an incoming message, in the form
1376
1377     From ph10 Fri Jan  5 12:35 GMT 1996
1378
1379 which  the "mail" commands send to the MTA (undocumented, of course), or in
1380 the  form
1381
1382     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1383
1384 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1385 Because  of variations in time formats, just match up to the minutes. That
1386 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1387 so  just require one digit for hours and minutes. The weekday is also absent
1388 in  some forms. */
1389
1390 uschar *uucp_from_pattern      = US
1391    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1392    "(?:"                                          /* Non-extracting bracket */
1393    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1394    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1395    ")"                                            /* End alternation */
1396    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1397
1398 uschar *uucp_from_sender       = US"$1";
1399
1400 uschar *warn_message_file      = NULL;
1401 uschar *warnmsg_delay          = NULL;
1402 uschar *warnmsg_recipients     = NULL;
1403 BOOL    write_rejectlog        = TRUE;
1404
1405 uschar *version_copyright      =
1406  US"Copyright (c) University of Cambridge, 1995 - 2013\n"
1407    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2013";
1408 uschar *version_date           = US"?";
1409 uschar *version_cnumber        = US"????";
1410 uschar *version_string         = US"?";
1411
1412 int     warning_count          = 0;
1413
1414 /*  End of globals.c */