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 uschar *add_environment        = NULL;
 300 address_item  *addr_duplicate  = NULL;
 301
 302 address_item address_defaults = {
 303   NULL,                 /* next */
 304   NULL,                 /* parent */
 305   NULL,                 /* first */
 306   NULL,                 /* dupof */
 307   NULL,                 /* start_router */
 308   NULL,                 /* router */
 309   NULL,                 /* transport */
 310   NULL,                 /* host_list */
 311   NULL,                 /* host_used */
 312   NULL,                 /* fallback_hosts */
 313   NULL,                 /* reply */
 314   NULL,                 /* retries */
 315   NULL,                 /* address */
 316   NULL,                 /* unique */
 317   NULL,                 /* cc_local_part */
 318   NULL,                 /* lc_local_part */
 319   NULL,                 /* local_part */
 320   NULL,                 /* prefix */
 321   NULL,                 /* suffix */
 322   NULL,                 /* domain */
 323   NULL,                 /* address_retry_key */
 324   NULL,                 /* domain_retry_key */
 325   NULL,                 /* current_dir */
 326   NULL,                 /* home_dir */
 327   NULL,                 /* message */
 328   NULL,                 /* user_message */
 329   NULL,                 /* onetime_parent */
 330   NULL,                 /* pipe_expandn */
 331   NULL,                 /* return_filename */
 332   NULL,                 /* self_hostname */
 333   NULL,                 /* shadow_message */
 334   #ifdef SUPPORT_TLS
 335   NULL,                 /* cipher */
 336   NULL,                 /* peerdn */
 337   #endif
 338   NULL,                 /* authenticator */
 339   NULL,                 /* auth_id */
 340   NULL,                 /* auth_sndr */
 341   (uid_t)(-1),          /* uid */
 342   (gid_t)(-1),          /* gid */
 343   0,                    /* flags */
 344   { 0 },                /* domain_cache - any larger array should be zeroed */
 345   { 0 },                /* localpart_cache - ditto */
 346   -1,                   /* mode */
 347   0,                    /* more_errno */
 348   ERRNO_UNKNOWNERROR,   /* basic_errno */
 349   0,                    /* child_count */
 350   -1,                   /* return_file */
 351   SPECIAL_NONE,         /* special_action */
 352   DEFER,                /* transport_return */
 353   {                     /* fields that are propagated to children */
 354     NULL,               /* address_data */
 355     NULL,               /* domain_data */
 356     NULL,               /* localpart_data */
 357     NULL,               /* errors_address */
 358     NULL,               /* extra_headers */
 359     NULL,               /* remove_headers */
 360 #ifdef EXPERIMENTAL_SRS
 361     NULL,               /* srs_sender */
 362 #endif
 363   }
 364 };
 365
 366 uschar *address_file           = NULL;
 367 uschar *address_pipe           = NULL;
 368 BOOL    address_test_mode      = FALSE;
 369 tree_node *addresslist_anchor  = NULL;
 370 int     addresslist_count      = 0;
 371 gid_t  *admin_groups           = NULL;
 372 BOOL    admin_user             = FALSE;
 373 BOOL    allow_auth_unadvertised= FALSE;
 374 BOOL    allow_domain_literals  = FALSE;
 375 BOOL    allow_mx_to_ip         = FALSE;
 376 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 377 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 378 BOOL    allow_utf8_domains     = FALSE;
 379 uschar *authenticated_fail_id  = NULL;
 380 uschar *authenticated_id       = NULL;
 381 uschar *authenticated_sender   = NULL;
 382 BOOL    authentication_failed  = FALSE;
 383 auth_instance  *auths          = NULL;
 384 uschar *auth_advertise_hosts   = US"*";
 385 auth_instance auth_defaults    = {
 386     NULL,                      /* chain pointer */
 387     NULL,                      /* name */
 388     NULL,                      /* info */
 389     NULL,                      /* private options block pointer */
 390     NULL,                      /* driver_name */
 391     NULL,                      /* advertise_condition */
 392     NULL,                      /* client_condition */
 393     NULL,                      /* public_name */
 394     NULL,                      /* set_id */
 395     NULL,                      /* set_client_id */
 396     NULL,                      /* server_mail_auth_condition */
 397     NULL,                      /* server_debug_string */
 398     NULL,                      /* server_condition */
 399     FALSE,                     /* client */
 400     FALSE,                     /* server */
 401     FALSE                      /* advertised */
 402 };
 403
 404 uschar *auth_defer_msg         = US"reason not recorded";
 405 uschar *auth_defer_user_msg    = US"";
 406 uschar *auth_vars[AUTH_VARS];
 407 int     auto_thaw              = 0;
 408 #ifdef WITH_CONTENT_SCAN
 409 BOOL    av_failed              = FALSE;
 410 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 411 #endif
 412
 413 BOOL    background_daemon      = TRUE;
 414
 415 #if BASE_62 == 62
 416 uschar *base62_chars=
 417     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 418 #else
 419 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 420 #endif
 421
 422 uschar *bi_command             = NULL;
 423 uschar *big_buffer             = NULL;
 424 int     big_buffer_size        = BIG_BUFFER_SIZE;
 425 #ifdef EXPERIMENTAL_BRIGHTMAIL
 426 uschar *bmi_alt_location       = NULL;
 427 uschar *bmi_base64_tracker_verdict = NULL;
 428 uschar *bmi_base64_verdict     = NULL;
 429 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 430 int     bmi_deliver            = 1;
 431 int     bmi_run                = 0;
 432 uschar *bmi_verdicts           = NULL;
 433 #endif
 434 int     body_linecount         = 0;
 435 int     body_zerocount         = 0;
 436 uschar *bounce_message_file    = NULL;
 437 uschar *bounce_message_text    = NULL;
 438 uschar *bounce_recipient       = NULL;
 439 BOOL    bounce_return_body     = TRUE;
 440 BOOL    bounce_return_message  = TRUE;
 441 int     bounce_return_size_limit = 100*1024;
 442 uschar *bounce_sender_authentication = NULL;
 443 int     bsmtp_transaction_linecount = 0;
 444
 445 int     callout_cache_domain_positive_expire = 7*24*60*60;
 446 int     callout_cache_domain_negative_expire = 3*60*60;
 447 int     callout_cache_positive_expire = 24*60*60;
 448 int     callout_cache_negative_expire = 2*60*60;
 449 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 450 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 451 int     check_log_inodes       = 0;
 452 int     check_log_space        = 0;
 453 BOOL    check_rfc2047_length   = TRUE;
 454 int     check_spool_inodes     = 0;
 455 int     check_spool_space      = 0;
 456 uschar  *client_authenticator  = NULL;
 457 uschar  *client_authenticated_id = NULL;
 458 uschar  *client_authenticated_sender = NULL;
 459 int     clmacro_count          = 0;
 460 uschar *clmacros[MAX_CLMACROS];
 461 BOOL    config_changed         = FALSE;
 462 FILE   *config_file            = NULL;
 463 uschar *config_filename        = NULL;
 464 int     config_lineno          = 0;
 465 #ifdef CONFIGURE_GROUP
 466 gid_t   config_gid             = CONFIGURE_GROUP;
 467 #endif
 468 uschar *config_main_filelist   = US CONFIGURE_FILE
 469                          "\0<-----------Space to patch configure_filename->";
 470 uschar *config_main_filename   = NULL;
 471
 472 #ifdef CONFIGURE_OWNER
 473 uid_t   config_uid             = CONFIGURE_OWNER;
 474 #endif
 475
 476 int     connection_max_messages= -1;
 477 uschar *continue_hostname      = NULL;
 478 uschar *continue_host_address  = NULL;
 479 BOOL    continue_more          = FALSE;
 480 int     continue_sequence      = 1;
 481 uschar *continue_transport     = NULL;
 482
 483 uschar *csa_status             = NULL;
 484 BOOL    cutthrough_delivery    = FALSE;
 485 int     cutthrough_fd          = -1;
 486
 487 BOOL    daemon_listen          = FALSE;
 488 uschar *daemon_smtp_port       = US"smtp";
 489 int     daemon_startup_retries = 9;
 490 int     daemon_startup_sleep   = 30;
 491
 492 #ifdef EXPERIMENTAL_DCC
 493 BOOL    dcc_direct_add_header  = FALSE;
 494 uschar *dcc_header             = NULL;
 495 uschar *dcc_result             = NULL;
 496 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 497 uschar *dccifd_options         = US"header";
 498 #endif
 499
 500 BOOL    debug_daemon           = FALSE;
 501 int     debug_fd               = -1;
 502 FILE   *debug_file             = NULL;
 503 bit_table debug_options[]      = {
 504   { US"acl",            D_acl },
 505   { US"all",            D_all },
 506   { US"auth",           D_auth },
 507   { US"deliver",        D_deliver },
 508   { US"dns",            D_dns },
 509   { US"dnsbl",          D_dnsbl },
 510   { US"exec",           D_exec },
 511   { US"expand",         D_expand },
 512   { US"filter",         D_filter },
 513   { US"hints_lookup",   D_hints_lookup },
 514   { US"host_lookup",    D_host_lookup },
 515   { US"ident",          D_ident },
 516   { US"interface",      D_interface },
 517   { US"lists",          D_lists },
 518   { US"load",           D_load },
 519   { US"local_scan",     D_local_scan },
 520   { US"lookup",         D_lookup },
 521   { US"memory",         D_memory },
 522   { US"pid",            D_pid },
 523   { US"process_info",   D_process_info },
 524   { US"queue_run",      D_queue_run },
 525   { US"receive",        D_receive },
 526   { US"resolver",       D_resolver },
 527   { US"retry",          D_retry },
 528   { US"rewrite",        D_rewrite },
 529   { US"route",          D_route },
 530   { US"timestamp",      D_timestamp },
 531   { US"tls",            D_tls },
 532   { US"transport",      D_transport },
 533   { US"uid",            D_uid },
 534   { US"verify",         D_verify }
 535 };
 536 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 537 unsigned int debug_selector    = 0;
 538 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 539 uschar *delay_warning_condition=
 540   US"${if or {"
 541             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 542             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 543             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 544             "} {no}{yes}}";
 545 BOOL    delivery_date_remove   = TRUE;
 546 uschar *deliver_address_data   = NULL;
 547 int     deliver_datafile       = -1;
 548 uschar *deliver_domain         = NULL;
 549 uschar *deliver_domain_data    = NULL;
 550 uschar *deliver_domain_orig    = NULL;
 551 uschar *deliver_domain_parent  = NULL;
 552 BOOL    deliver_drop_privilege = FALSE;
 553 BOOL    deliver_firsttime      = FALSE;
 554 BOOL    deliver_force          = FALSE;
 555 BOOL    deliver_freeze         = FALSE;
 556 int     deliver_frozen_at      = 0;
 557 uschar *deliver_home           = NULL;
 558 uschar *deliver_host           = NULL;
 559 uschar *deliver_host_address   = NULL;
 560 uschar *deliver_in_buffer      = NULL;
 561 ino_t   deliver_inode          = 0;
 562 uschar *deliver_localpart      = NULL;
 563 uschar *deliver_localpart_data = NULL;
 564 uschar *deliver_localpart_orig = NULL;
 565 uschar *deliver_localpart_parent = NULL;
 566 uschar *deliver_localpart_prefix = NULL;
 567 uschar *deliver_localpart_suffix = NULL;
 568 BOOL    deliver_force_thaw     = FALSE;
 569 BOOL    deliver_manual_thaw    = FALSE;
 570 uschar *deliver_out_buffer     = NULL;
 571 int     deliver_queue_load_max = -1;
 572 address_item  *deliver_recipients = NULL;
 573 uschar *deliver_selectstring   = NULL;
 574 BOOL    deliver_selectstring_regex = FALSE;
 575 uschar *deliver_selectstring_sender = NULL;
 576 BOOL    deliver_selectstring_sender_regex = FALSE;
 577 #ifdef WITH_OLD_DEMIME
 578 int     demime_errorlevel      = 0;
 579 int     demime_ok              = 0;
 580 uschar *demime_reason          = NULL;
 581 #endif
 582 BOOL    disable_callout_flush  = FALSE;
 583 BOOL    disable_delay_flush    = FALSE;
 584 #ifdef ENABLE_DISABLE_FSYNC
 585 BOOL    disable_fsync          = FALSE;
 586 #endif
 587 BOOL    disable_ipv6           = FALSE;
 588 BOOL    disable_logging        = FALSE;
 589
 590 #ifndef DISABLE_DKIM
 591 uschar *dkim_cur_signer          = NULL;
 592 uschar *dkim_signers             = NULL;
 593 uschar *dkim_signing_domain      = NULL;
 594 uschar *dkim_signing_selector    = NULL;
 595 uschar *dkim_verify_signers      = US"$dkim_signers";
 596 BOOL    dkim_collect_input       = FALSE;
 597 BOOL    dkim_disable_verify      = FALSE;
 598 #endif
 599 #ifdef EXPERIMENTAL_DMARC
 600 BOOL    dmarc_has_been_checked  = FALSE;
 601 uschar *dmarc_ar_header         = NULL;
 602 uschar *dmarc_forensic_sender   = NULL;
 603 uschar *dmarc_history_file      = NULL;
 604 uschar *dmarc_status            = NULL;
 605 uschar *dmarc_status_text       = NULL;
 606 uschar *dmarc_tld_file          = NULL;
 607 uschar *dmarc_used_domain       = NULL;
 608 BOOL    dmarc_disable_verify    = FALSE;
 609 BOOL    dmarc_enable_forensic   = FALSE;
 610 #endif
 611
 612 uschar *dns_again_means_nonexist = NULL;
 613 int     dns_csa_search_limit   = 5;
 614 BOOL    dns_csa_use_reverse    = TRUE;
 615 uschar *dns_ipv4_lookup        = NULL;
 616 int     dns_retrans            = 0;
 617 int     dns_retry              = 0;
 618 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 619 int     dns_use_edns0          = -1; /* <0 = not coerced */
 620 uschar *dnslist_domain         = NULL;
 621 uschar *dnslist_matched        = NULL;
 622 uschar *dnslist_text           = NULL;
 623 uschar *dnslist_value          = NULL;
 624 tree_node *domainlist_anchor   = NULL;
 625 int     domainlist_count       = 0;
 626 BOOL    dont_deliver           = FALSE;
 627 BOOL    dot_ends               = TRUE;
 628 BOOL    drop_cr                = FALSE;         /* No longer used */
 629 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 630
 631 BOOL    enable_dollar_recipients = FALSE;
 632 BOOL    envelope_to_remove     = TRUE;
 633 int     errno_quota            = ERRNO_QUOTA;
 634 uschar *errors_copy            = NULL;
 635 int     error_handling         = ERRORS_SENDER;
 636 uschar *errors_reply_to        = NULL;
 637 int     errors_sender_rc       = EXIT_FAILURE;
 638
 639 gid_t   exim_gid               = EXIM_GID;
 640 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 641 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 642                         "\0<---------------Space to patch exim_path->";
 643 uid_t   exim_uid               = EXIM_UID;
 644 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 645 int     expand_forbid          = 0;
 646 int     expand_nlength[EXPAND_MAXN+1];
 647 int     expand_nmax            = -1;
 648 uschar *expand_nstring[EXPAND_MAXN+1];
 649 BOOL    expand_string_forcedfail = FALSE;
 650 uschar *expand_string_message;
 651 BOOL    extract_addresses_remove_arguments = TRUE;
 652 uschar *extra_local_interfaces = NULL;
 653
 654 int     fake_response          = OK;
 655 uschar *fake_response_text     = US"Your message has been rejected but is "
 656                                    "being kept for evaluation.\nIf it was a "
 657                                    "legitimate message, it may still be "
 658                                    "delivered to the target recipient(s).";
 659 int     filter_n[FILTER_VARIABLE_COUNT];
 660 BOOL    filter_running         = FALSE;
 661 int     filter_sn[FILTER_VARIABLE_COUNT];
 662 int     filter_test            = FTEST_NONE;
 663 uschar *filter_test_sfile      = NULL;
 664 uschar *filter_test_ufile      = NULL;
 665 uschar *filter_thisaddress     = NULL;
 666 int     finduser_retries       = 0;
 667 #ifdef WITH_OLD_DEMIME
 668 uschar *found_extension        = NULL;
 669 #endif
 670 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 671 uschar *freeze_tell            = NULL;
 672 uschar *freeze_tell_config     = NULL;
 673 uschar *fudged_queue_times     = US"";
 674
 675 uschar *gecos_name             = NULL;
 676 uschar *gecos_pattern          = NULL;
 677 rewrite_rule  *global_rewrite_rules = NULL;
 678
 679 uschar *headers_charset        = US HEADERS_CHARSET;
 680 int     header_insert_maxlen   = 64 * 1024;
 681 header_line  *header_last      = NULL;
 682 header_line  *header_list      = NULL;
 683 int     header_maxsize         = HEADER_MAXSIZE;
 684 int     header_line_maxsize    = 0;
 685
 686 header_name header_names[] = {
 687   { US"bcc",            3, TRUE,  htype_bcc },
 688   { US"cc",             2, TRUE,  htype_cc },
 689   { US"date",           4, TRUE,  htype_date },
 690   { US"delivery-date", 13, FALSE, htype_delivery_date },
 691   { US"envelope-to",   11, FALSE, htype_envelope_to },
 692   { US"from",           4, TRUE,  htype_from },
 693   { US"message-id",    10, TRUE,  htype_id },
 694   { US"received",       8, FALSE, htype_received },
 695   { US"reply-to",       8, FALSE, htype_reply_to },
 696   { US"return-path",   11, FALSE, htype_return_path },
 697   { US"sender",         6, TRUE,  htype_sender },
 698   { US"subject",        7, FALSE, htype_subject },
 699   { US"to",             2, TRUE,  htype_to }
 700 };
 701
 702 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 703
 704 BOOL    header_rewritten       = FALSE;
 705 uschar *helo_accept_junk_hosts = NULL;
 706 uschar *helo_allow_chars       = US"";
 707 uschar *helo_lookup_domains    = US"@ : @[]";
 708 uschar *helo_try_verify_hosts  = NULL;
 709 BOOL    helo_verified          = FALSE;
 710 BOOL    helo_verify_failed     = FALSE;
 711 uschar *helo_verify_hosts      = NULL;
 712 const uschar *hex_digits       = CUS"0123456789abcdef";
 713 uschar *hold_domains           = NULL;
 714 BOOL    host_checking          = FALSE;
 715 BOOL    host_checking_callout  = FALSE;
 716 uschar *host_data              = NULL;
 717 BOOL    host_find_failed_syntax= FALSE;
 718 uschar *host_lookup            = NULL;
 719 BOOL    host_lookup_deferred   = FALSE;
 720 BOOL    host_lookup_failed     = FALSE;
 721 uschar *host_lookup_order      = US"bydns:byaddr";
 722 uschar *host_lookup_msg        = US"";
 723 int     host_number            = 0;
 724 uschar *host_number_string     = NULL;
 725 uschar *host_reject_connection = NULL;
 726 tree_node *hostlist_anchor     = NULL;
 727 int     hostlist_count         = 0;
 728 uschar *hosts_treat_as_local   = NULL;
 729 uschar *hosts_connection_nolog = NULL;
 730
 731 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 732 BOOL    ignore_fromline_local  = FALSE;
 733 uschar *ignore_fromline_hosts  = NULL;
 734 BOOL    inetd_wait_mode        = FALSE;
 735 int     inetd_wait_timeout     = -1;
 736 uschar *initial_cwd            = NULL;
 737 uschar *interface_address      = NULL;
 738 int     interface_port         = -1;
 739 BOOL    is_inetd               = FALSE;
 740 uschar *iterate_item           = NULL;
 741
 742 int     journal_fd             = -1;
 743
 744 uschar *keep_environment       = NULL;
 745
 746 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 747
 748 uschar *eldap_dn               = NULL;
 749 int     load_average           = -2;
 750 BOOL    local_error_message    = FALSE;
 751 BOOL    local_from_check       = TRUE;
 752 uschar *local_from_prefix      = NULL;
 753 uschar *local_from_suffix      = NULL;
 754
 755 #if HAVE_IPV6
 756 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 757 #else
 758 uschar *local_interfaces       = US"0.0.0.0";
 759 #endif
 760
 761 uschar *local_scan_data        = NULL;
 762 int     local_scan_timeout     = 5*60;
 763 BOOL    local_sender_retain    = FALSE;
 764 gid_t   local_user_gid         = (gid_t)(-1);
 765 uid_t   local_user_uid         = (uid_t)(-1);
 766
 767 tree_node *localpartlist_anchor= NULL;
 768 int     localpartlist_count    = 0;
 769 uschar *log_buffer             = NULL;
 770 unsigned int log_extra_selector = LX_default;
 771 uschar *log_file_path          = US LOG_FILE_PATH
 772                            "\0<--------------Space to patch log_file_path->";
 773
 774 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 775 are the ones that get put into log_write_selector. They can be used in calls to
 776 log_write() to test for the bit. The options with LX_xxx identifiers have
 777 values greater than 0x80000000 and are put into log_extra_selector (without the
 778 top bit). They are never used in calls to log_write(), but are tested
 779 independently. This separation became necessary when the number of log
 780 selectors was getting close to filling a 32-bit word. */
 781
 782 /* Note that this list must be in alphabetical order. */
 783
 784 bit_table log_options[]        = {
 785   { US"8bitmime",                     LX_8bitmime },
 786   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 787   { US"address_rewrite",              L_address_rewrite },
 788   { US"all",                          L_all },
 789   { US"all_parents",                  L_all_parents },
 790   { US"arguments",                    LX_arguments },
 791   { US"connection_reject",            L_connection_reject },
 792   { US"delay_delivery",               L_delay_delivery },
 793   { US"deliver_time",                 LX_deliver_time },
 794   { US"delivery_size",                LX_delivery_size },
 795   { US"dnslist_defer",                L_dnslist_defer },
 796   { US"etrn",                         L_etrn },
 797   { US"host_lookup_failed",           L_host_lookup_failed },
 798   { US"ident_timeout",                LX_ident_timeout },
 799   { US"incoming_interface",           LX_incoming_interface },
 800   { US"incoming_port",                LX_incoming_port },
 801   { US"lost_incoming_connection",     L_lost_incoming_connection },
 802   { US"outgoing_port",                LX_outgoing_port },
 803   { US"pid",                          LX_pid },
 804   { US"queue_run",                    L_queue_run },
 805   { US"queue_time",                   LX_queue_time },
 806   { US"queue_time_overall",           LX_queue_time_overall },
 807   { US"received_recipients",          LX_received_recipients },
 808   { US"received_sender",              LX_received_sender },
 809   { US"rejected_header",              LX_rejected_header },
 810   { US"rejected_headers",             LX_rejected_header },
 811   { US"retry_defer",                  L_retry_defer },
 812   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 813   { US"sender_on_delivery",           LX_sender_on_delivery },
 814   { US"sender_verify_fail",           LX_sender_verify_fail },
 815   { US"size_reject",                  L_size_reject },
 816   { US"skip_delivery",                L_skip_delivery },
 817   { US"smtp_confirmation",            LX_smtp_confirmation },
 818   { US"smtp_connection",              L_smtp_connection },
 819   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 820   { US"smtp_mailauth",                LX_smtp_mailauth },
 821   { US"smtp_no_mail",                 LX_smtp_no_mail },
 822   { US"smtp_protocol_error",          L_smtp_protocol_error },
 823   { US"smtp_syntax_error",            L_smtp_syntax_error },
 824   { US"subject",                      LX_subject },
 825   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 826   { US"tls_cipher",                   LX_tls_cipher },
 827   { US"tls_peerdn",                   LX_tls_peerdn },
 828   { US"tls_sni",                      LX_tls_sni },
 829   { US"unknown_in_list",              LX_unknown_in_list }
 830 };
 831
 832 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 833 int     log_reject_target      = 0;
 834 uschar *log_selector_string    = NULL;
 835 FILE   *log_stderr             = NULL;
 836 BOOL    log_testing_mode       = FALSE;
 837 BOOL    log_timezone           = FALSE;
 838 unsigned int log_write_selector= L_default;
 839 uschar *login_sender_address   = NULL;
 840 int     lookup_open_max        = 25;
 841 uschar *lookup_value           = NULL;
 842
 843 macro_item  *macros            = NULL;
 844 uschar *mailstore_basename     = NULL;
 845 #ifdef WITH_CONTENT_SCAN
 846 uschar *malware_name           = NULL;  /* Virus Name */
 847 #endif
 848 int     max_received_linelength= 0;
 849 int     max_username_length    = 0;
 850 int     message_age            = 0;
 851 uschar *message_body           = NULL;
 852 uschar *message_body_end       = NULL;
 853 BOOL    message_body_newlines  = FALSE;
 854 int     message_body_size      = 0;
 855 int     message_body_visible   = 500;
 856 int     message_ended          = END_NOTSTARTED;
 857 uschar *message_headers        = NULL;
 858 uschar *message_id;
 859 uschar *message_id_domain      = NULL;
 860 uschar *message_id_text        = NULL;
 861 struct timeval message_id_tv   = { 0, 0 };
 862 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 863 uschar *message_id_external;
 864 int     message_linecount      = 0;
 865 BOOL    message_logs           = TRUE;
 866 int     message_size           = 0;
 867 uschar *message_size_limit     = US"50M";
 868 uschar  message_subdir[2]      = { 0, 0 };
 869 uschar *message_reference      = NULL;
 870
 871 /* MIME ACL expandables */
 872 #ifdef WITH_CONTENT_SCAN
 873 int     mime_anomaly_level     = 0;
 874 const uschar *mime_anomaly_text      = NULL;
 875 uschar *mime_boundary          = NULL;
 876 uschar *mime_charset           = NULL;
 877 uschar *mime_content_description = NULL;
 878 uschar *mime_content_disposition = NULL;
 879 uschar *mime_content_id        = NULL;
 880 unsigned int mime_content_size = 0;
 881 uschar *mime_content_transfer_encoding = NULL;
 882 uschar *mime_content_type      = NULL;
 883 uschar *mime_decoded_filename  = NULL;
 884 uschar *mime_filename          = NULL;
 885 int     mime_is_multipart      = 0;
 886 int     mime_is_coverletter    = 0;
 887 int     mime_is_rfc822         = 0;
 888 int     mime_part_count        = -1;
 889 #endif
 890
 891 BOOL    mua_wrapper            = FALSE;
 892
 893 uid_t  *never_users            = NULL;
 894 #ifdef WITH_CONTENT_SCAN
 895 BOOL    no_mbox_unspool        = FALSE;
 896 #endif
 897 BOOL    no_multiline_responses = FALSE;
 898
 899 uid_t   original_euid;
 900 gid_t   originator_gid;
 901 uschar *originator_login       = NULL;
 902 uschar *originator_name        = NULL;
 903 uid_t   originator_uid;
 904 uschar *override_local_interfaces = NULL;
 905 uschar *override_pid_file_path = NULL;
 906
 907 BOOL    parse_allow_group      = FALSE;
 908 BOOL    parse_found_group      = FALSE;
 909 uschar *percent_hack_domains   = NULL;
 910 uschar *pid_file_path          = US PID_FILE_PATH
 911                            "\0<--------------Space to patch pid_file_path->";
 912 BOOL    pipelining_enable      = TRUE;
 913 uschar *pipelining_advertise_hosts = US"*";
 914 BOOL    preserve_message_logs  = FALSE;
 915 uschar *primary_hostname       = NULL;
 916 BOOL    print_topbitchars      = FALSE;
 917 uschar  process_info[PROCESS_INFO_SIZE];
 918 int     process_info_len       = 0;
 919 uschar *process_log_path       = NULL;
 920 BOOL    prod_requires_admin    = TRUE;
 921 uschar *prvscheck_address      = NULL;
 922 uschar *prvscheck_keynum       = NULL;
 923 uschar *prvscheck_result       = NULL;
 924
 925
 926 uschar *qualify_domain_recipient = NULL;
 927 uschar *qualify_domain_sender  = NULL;
 928 BOOL    queue_2stage           = FALSE;
 929 uschar *queue_domains          = NULL;
 930 int     queue_interval         = -1;
 931 BOOL    queue_list_requires_admin = TRUE;
 932 BOOL    queue_only             = FALSE;
 933 uschar *queue_only_file        = NULL;
 934 int     queue_only_load        = -1;
 935 BOOL    queue_only_load_latch  = TRUE;
 936 BOOL    queue_only_override    = TRUE;
 937 BOOL    queue_only_policy      = FALSE;
 938 BOOL    queue_run_first_delivery = FALSE;
 939 BOOL    queue_run_force        = FALSE;
 940 BOOL    queue_run_in_order     = FALSE;
 941 BOOL    queue_run_local        = FALSE;
 942 int     queue_run_max          = 5;
 943 pid_t   queue_run_pid          = (pid_t)0;
 944 int     queue_run_pipe         = -1;
 945 BOOL    queue_running          = FALSE;
 946 BOOL    queue_smtp             = FALSE;
 947 uschar *queue_smtp_domains     = NULL;
 948
 949 unsigned int random_seed       = 0;
 950 tree_node *ratelimiters_cmd    = NULL;
 951 tree_node *ratelimiters_conn   = NULL;
 952 tree_node *ratelimiters_mail   = NULL;
 953 uschar *raw_active_hostname    = NULL;
 954 uschar *raw_sender             = NULL;
 955 uschar **raw_recipients        = NULL;
 956 int     raw_recipients_count   = 0;
 957
 958 int     rcpt_count             = 0;
 959 int     rcpt_fail_count        = 0;
 960 int     rcpt_defer_count       = 0;
 961 gid_t   real_gid;
 962 uid_t   real_uid;
 963 BOOL    really_exim            = TRUE;
 964 BOOL    receive_call_bombout   = FALSE;
 965 int     receive_linecount      = 0;
 966 int     receive_messagecount   = 0;
 967 int     receive_timeout        = 0;
 968 int     received_count         = 0;
 969 uschar *received_for           = NULL;
 970
 971 /*  This is the default text for Received headers generated by Exim. The
 972 date  will be automatically added on the end. */
 973
 974 uschar *received_header_text   = US
 975      "Received: "
 976      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 977      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 978      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 979      "by $primary_hostname "
 980      "${if def:received_protocol {with $received_protocol}} "
 981      #ifdef SUPPORT_TLS
 982      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 983      #endif
 984      "(Exim $version_number)\n\t"
 985      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 986      "id $message_exim_id"
 987      "${if def:received_for {\n\tfor $received_for}}"
 988      "\0<---------------Space to patch received_header_text->";
 989
 990 int     received_headers_max   = 30;
 991 uschar *received_protocol      = NULL;
 992 int     received_time          = 0;
 993 uschar *recipient_data         = NULL;
 994 uschar *recipient_unqualified_hosts = NULL;
 995 uschar *recipient_verify_failure = NULL;
 996 int     recipients_count       = 0;
 997 BOOL    recipients_discarded   = FALSE;
 998 recipient_item  *recipients_list = NULL;
 999 int     recipients_list_max    = 0;
1000 int     recipients_max         = 0;
1001 BOOL    recipients_max_reject  = FALSE;
1002 const pcre *regex_AUTH         = NULL;
1003 const pcre *regex_check_dns_names = NULL;
1004 const pcre *regex_From         = NULL;
1005 const pcre *regex_IGNOREQUOTA  = NULL;
1006 const pcre *regex_PIPELINING   = NULL;
1007 const pcre *regex_SIZE         = NULL;
1008 const pcre *regex_smtp_code    = NULL;
1009 const pcre *regex_ismsgid      = NULL;
1010 #ifdef WHITELIST_D_MACROS
1011 const pcre *regex_whitelisted_macro = NULL;
1012 #endif
1013 #ifdef WITH_CONTENT_SCAN
1014 uschar *regex_match_string     = NULL;
1015 #endif
1016 int     remote_delivery_count  = 0;
1017 int     remote_max_parallel    = 2;
1018 uschar *remote_sort_domains    = NULL;
1019 int     retry_data_expire      = 7*24*60*60;
1020 int     retry_interval_max     = 24*60*60;
1021 int     retry_maximum_timeout  = 0;        /* set from retry config */
1022 retry_config  *retries         = NULL;
1023 uschar *return_path            = NULL;
1024 BOOL    return_path_remove     = TRUE;
1025 int     rewrite_existflags     = 0;
1026 uschar *rfc1413_hosts          = US"*";
1027 int     rfc1413_query_timeout  = 5;
1028 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1029 uid_t   root_gid               = ROOT_GID;
1030 uid_t   root_uid               = ROOT_UID;
1031
1032 router_instance  *routers  = NULL;
1033 router_instance  router_defaults = {
1034     NULL,                      /* chain pointer */
1035     NULL,                      /* name */
1036     NULL,                      /* info */
1037     NULL,                      /* private options block pointer */
1038     NULL,                      /* driver name */
1039
1040     NULL,                      /* address_data */
1041 #ifdef EXPERIMENTAL_BRIGHTMAIL
1042     NULL,                      /* bmi_rule */
1043 #endif
1044     NULL,                      /* cannot_route_message */
1045     NULL,                      /* condition */
1046     NULL,                      /* current_directory */
1047     NULL,                      /* debug_string */
1048     NULL,                      /* domains */
1049     NULL,                      /* errors_to */
1050     NULL,                      /* expand_gid */
1051     NULL,                      /* expand_uid */
1052     NULL,                      /* expand_more */
1053     NULL,                      /* expand_unseen */
1054     NULL,                      /* extra_headers */
1055     NULL,                      /* fallback_hosts */
1056     NULL,                      /* home_directory */
1057     NULL,                      /* ignore_target_hosts */
1058     NULL,                      /* local_parts */
1059     NULL,                      /* pass_router_name */
1060     NULL,                      /* prefix */
1061     NULL,                      /* redirect_router_name */
1062     NULL,                      /* remove_headers */
1063     NULL,                      /* require_files */
1064     NULL,                      /* router_home_directory */
1065     US"freeze",                /* self */
1066     NULL,                      /* senders */
1067     NULL,                      /* suffix */
1068     NULL,                      /* translate_ip_address */
1069     NULL,                      /* transport_name */
1070
1071     TRUE,                      /* address_test */
1072 #ifdef EXPERIMENTAL_BRIGHTMAIL
1073     FALSE,                     /* bmi_deliver_alternate */
1074     FALSE,                     /* bmi_deliver_default */
1075     FALSE,                     /* bmi_dont_deliver */
1076 #endif
1077     TRUE,                      /* expn */
1078     FALSE,                     /* caseful_local_part */
1079     FALSE,                     /* check_local_user */
1080     FALSE,                     /* disable_logging */
1081     FALSE,                     /* fail_verify_recipient */
1082     FALSE,                     /* fail_verify_sender */
1083     FALSE,                     /* gid_set */
1084     FALSE,                     /* initgroups */
1085     TRUE_UNSET,                /* log_as_local */
1086     TRUE,                      /* more */
1087     FALSE,                     /* pass_on_timeout */
1088     FALSE,                     /* prefix_optional */
1089     TRUE,                      /* repeat_use */
1090     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1091     FALSE,                     /* same_domain_copy_routing */
1092     FALSE,                     /* self_rewrite */
1093     FALSE,                     /* suffix_optional */
1094     FALSE,                     /* verify_only */
1095     TRUE,                      /* verify_recipient */
1096     TRUE,                      /* verify_sender */
1097     FALSE,                     /* uid_set */
1098     FALSE,                     /* unseen */
1099
1100     self_freeze,               /* self_code */
1101     (uid_t)(-1),               /* uid */
1102     (gid_t)(-1),               /* gid */
1103
1104     NULL,                      /* fallback_hostlist */
1105     NULL,                      /* transport instance */
1106     NULL,                      /* pass_router */
1107     NULL                       /* redirect_router */
1108 };
1109
1110 uschar *router_name            = NULL;
1111
1112 ip_address_item *running_interfaces = NULL;
1113 BOOL    running_in_test_harness = FALSE;
1114
1115 /* This is a weird one. The following string gets patched in the binary by the
1116 script that sets up a copy of Exim for running in the test harness. It seems
1117 that compilers are now clever, and share constant strings if they can.
1118 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1119 make use of the end of this string in order to save space. So the patching then
1120 wrecks this. We defeat this optimization by adding some additional characters
1121 onto the end of the string. */
1122
1123 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1124
1125 int     runrc                  = 0;
1126
1127 uschar *search_error_message   = NULL;
1128 BOOL    search_find_defer      = FALSE;
1129 uschar *self_hostname          = NULL;
1130 uschar *sender_address         = NULL;
1131 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1132 uschar *sender_address_data    = NULL;
1133 BOOL    sender_address_forced  = FALSE;
1134 uschar *sender_address_unrewritten = NULL;
1135 uschar *sender_data            = NULL;
1136 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1137 uschar *sender_fullhost        = NULL;
1138 uschar *sender_helo_name       = NULL;
1139 uschar **sender_host_aliases   = &no_aliases;
1140 uschar *sender_host_address    = NULL;
1141 uschar *sender_host_authenticated = NULL;
1142 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1143 BOOL    sender_host_dnssec     = FALSE;
1144 uschar *sender_host_name       = NULL;
1145 int     sender_host_port       = 0;
1146 BOOL    sender_host_notsocket  = FALSE;
1147 BOOL    sender_host_unknown    = FALSE;
1148 uschar *sender_ident           = NULL;
1149 BOOL    sender_local           = FALSE;
1150 BOOL    sender_name_forced     = FALSE;
1151 uschar *sender_rate            = NULL;
1152 uschar *sender_rate_limit      = NULL;
1153 uschar *sender_rate_period     = NULL;
1154 uschar *sender_rcvhost         = NULL;
1155 BOOL    sender_set_untrusted   = FALSE;
1156 uschar *sender_unqualified_hosts = NULL;
1157 uschar *sender_verify_failure = NULL;
1158 address_item *sender_verified_list  = NULL;
1159 address_item *sender_verified_failed = NULL;
1160 int     sender_verified_rc     = -1;
1161 BOOL    sender_verified_responded = FALSE;
1162 uschar *sending_ip_address     = NULL;
1163 int     sending_port           = -1;
1164 SIGNAL_BOOL sigalrm_seen       = FALSE;
1165 uschar **sighup_argv           = NULL;
1166 int     smtp_accept_count      = 0;
1167 BOOL    smtp_accept_keepalive  = TRUE;
1168 int     smtp_accept_max        = 20;
1169 int     smtp_accept_max_nonmail= 10;
1170 uschar *smtp_accept_max_nonmail_hosts = US"*";
1171 int     smtp_accept_max_per_connection = 1000;
1172 uschar *smtp_accept_max_per_host = NULL;
1173 int     smtp_accept_queue      = 0;
1174 int     smtp_accept_queue_per_connection = 10;
1175 int     smtp_accept_reserve    = 0;
1176 uschar *smtp_active_hostname   = NULL;
1177 BOOL    smtp_authenticated     = FALSE;
1178 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1179                              "Exim $version_number $tod_full"
1180                              "\0<---------------Space to patch smtp_banner->";
1181 BOOL    smtp_batched_input     = FALSE;
1182 BOOL    smtp_check_spool_space = TRUE;
1183 int     smtp_ch_index          = 0;
1184 uschar *smtp_cmd_argument      = NULL;
1185 uschar *smtp_cmd_buffer        = NULL;
1186 time_t  smtp_connection_start  = 0;
1187 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1188 int     smtp_connect_backlog   = 20;
1189 double  smtp_delay_mail        = 0.0;
1190 double  smtp_delay_rcpt        = 0.0;
1191 BOOL    smtp_enforce_sync      = TRUE;
1192 FILE   *smtp_in                = NULL;
1193 BOOL    smtp_input             = FALSE;
1194 int     smtp_load_reserve      = -1;
1195 int     smtp_mailcmd_count     = 0;
1196 FILE   *smtp_out               = NULL;
1197 uschar *smtp_etrn_command      = NULL;
1198 BOOL    smtp_etrn_serialize    = TRUE;
1199 int     smtp_max_synprot_errors= 3;
1200 int     smtp_max_unknown_commands = 3;
1201 uschar *smtp_notquit_reason    = NULL;
1202 uschar *smtp_ratelimit_hosts   = NULL;
1203 uschar *smtp_ratelimit_mail    = NULL;
1204 uschar *smtp_ratelimit_rcpt    = NULL;
1205 uschar *smtp_read_error        = US"";
1206 int     smtp_receive_timeout   = 5*60;
1207 uschar *smtp_reserve_hosts     = NULL;
1208 BOOL    smtp_return_error_details = FALSE;
1209 int     smtp_rlm_base          = 0;
1210 double  smtp_rlm_factor        = 0.0;
1211 int     smtp_rlm_limit         = 0;
1212 int     smtp_rlm_threshold     = INT_MAX;
1213 int     smtp_rlr_base          = 0;
1214 double  smtp_rlr_factor        = 0.0;
1215 int     smtp_rlr_limit         = 0;
1216 int     smtp_rlr_threshold     = INT_MAX;
1217 BOOL    smtp_use_pipelining    = FALSE;
1218 BOOL    smtp_use_size          = FALSE;
1219
1220 #ifdef WITH_CONTENT_SCAN
1221 uschar *spamd_address          = US"127.0.0.1 783";
1222 uschar *spam_bar               = NULL;
1223 uschar *spam_report            = NULL;
1224 uschar *spam_score             = NULL;
1225 uschar *spam_score_int         = NULL;
1226 #endif
1227 #ifdef EXPERIMENTAL_SPF
1228 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1229 uschar *spf_header_comment     = NULL;
1230 uschar *spf_received           = NULL;
1231 uschar *spf_result             = NULL;
1232 uschar *spf_smtp_comment       = NULL;
1233 #endif
1234
1235 BOOL    split_spool_directory  = FALSE;
1236 uschar *spool_directory        = US SPOOL_DIRECTORY
1237                            "\0<--------------Space to patch spool_directory->";
1238 #ifdef EXPERIMENTAL_SRS
1239 uschar *srs_config             = NULL;
1240 uschar *srs_db_address         = NULL;
1241 uschar *srs_db_key             = NULL;
1242 int     srs_hashlength         = 6;
1243 int     srs_hashmin            = -1;
1244 int     srs_maxage             = 31;
1245 uschar *srs_orig_recipient     = NULL;
1246 uschar *srs_orig_sender        = NULL;
1247 uschar *srs_recipient          = NULL;
1248 uschar *srs_secrets            = NULL;
1249 uschar *srs_status             = NULL;
1250 BOOL    srs_usehash            = TRUE;
1251 BOOL    srs_usetimestamp       = TRUE;
1252 #endif
1253 BOOL    strict_acl_vars        = FALSE;
1254 int     string_datestamp_offset= -1;
1255 int     string_datestamp_length= 0;
1256 int     string_datestamp_type  = -1;
1257 BOOL    strip_excess_angle_brackets = FALSE;
1258 BOOL    strip_trailing_dot     = FALSE;
1259 uschar *submission_domain      = NULL;
1260 BOOL    submission_mode        = FALSE;
1261 uschar *submission_name        = NULL;
1262 BOOL    suppress_local_fixups  = FALSE;
1263 BOOL    suppress_local_fixups_default = FALSE;
1264 BOOL    synchronous_delivery   = FALSE;
1265 BOOL    syslog_duplication     = TRUE;
1266 int     syslog_facility        = LOG_MAIL;
1267 uschar *syslog_processname     = US"exim";
1268 BOOL    syslog_timestamp       = TRUE;
1269 uschar *system_filter          = NULL;
1270
1271 uschar *system_filter_directory_transport = NULL;
1272 uschar *system_filter_file_transport = NULL;
1273 uschar *system_filter_pipe_transport = NULL;
1274 uschar *system_filter_reply_transport = NULL;
1275
1276 gid_t   system_filter_gid      = 0;
1277 BOOL    system_filter_gid_set  = FALSE;
1278 uid_t   system_filter_uid      = (uid_t)-1;
1279 BOOL    system_filter_uid_set  = FALSE;
1280 BOOL    system_filtering       = FALSE;
1281
1282 BOOL    tcp_nodelay            = TRUE;
1283 #ifdef USE_TCP_WRAPPERS
1284 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1285 #endif
1286 int     test_harness_load_avg  = 0;
1287 int     thismessage_size_limit = 0;
1288 int     timeout_frozen_after   = 0;
1289 BOOL    timestamps_utc         = FALSE;
1290
1291 #ifdef EXPERIMENTAL_TPDA
1292 int     tpda_defer_errno        = 0;
1293 uschar *tpda_defer_errstr       = NULL;
1294 uschar *tpda_delivery_ip        = NULL;
1295 int     tpda_delivery_port      = 0;
1296 uschar *tpda_delivery_fqdn      = NULL;
1297 uschar *tpda_delivery_local_part= NULL;
1298 uschar *tpda_delivery_domain    = NULL;
1299 uschar *tpda_delivery_confirmation = NULL;
1300 #endif
1301
1302 transport_instance  *transports = NULL;
1303
1304 transport_instance  transport_defaults = {
1305     NULL,                     /* chain pointer */
1306     NULL,                     /* name */
1307     NULL,                     /* info */
1308     NULL,                     /* private options block pointer */
1309     NULL,                     /* driver name */
1310     NULL,                     /* setup entry point */
1311     1,                        /* batch_max */
1312     NULL,                     /* batch_id */
1313     NULL,                     /* home_dir */
1314     NULL,                     /* current_dir */
1315     TRUE,                     /* multi-domain */
1316     FALSE,                    /* overrides_hosts */
1317     100,                      /* max_addresses */
1318     500,                      /* connection_max_messages */
1319     FALSE,                    /* deliver_as_creator */
1320     FALSE,                    /* disable_logging */
1321     FALSE,                    /* initgroups */
1322     FALSE,                    /* uid_set */
1323     FALSE,                    /* gid_set */
1324     (uid_t)(-1),              /* uid */
1325     (gid_t)(-1),              /* gid */
1326     NULL,                     /* expand_uid */
1327     NULL,                     /* expand_gid */
1328     NULL,                     /* warn_message */
1329     NULL,                     /* shadow */
1330     NULL,                     /* shadow_condition */
1331     NULL,                     /* filter_command */
1332     NULL,                     /* add_headers */
1333     NULL,                     /* remove_headers */
1334     NULL,                     /* return_path */
1335     NULL,                     /* debug_string */
1336     NULL,                     /* message_size_limit */
1337     NULL,                     /* headers_rewrite */
1338     NULL,                     /* rewrite_rules */
1339     0,                        /* rewrite_existflags */
1340     300,                      /* filter_timeout */
1341     FALSE,                    /* body_only */
1342     FALSE,                    /* delivery_date_add */
1343     FALSE,                    /* envelope_to_add */
1344     FALSE,                    /* headers_only */
1345     FALSE,                    /* rcpt_include_affixes */
1346     FALSE,                    /* return_path_add */
1347     FALSE,                    /* return_output */
1348     FALSE,                    /* return_fail_output */
1349     FALSE,                    /* log_output */
1350     FALSE,                    /* log_fail_output */
1351     FALSE,                    /* log_defer_output */
1352     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1353                                  1 nor 0 so can detect unset */
1354 };
1355
1356 int     transport_count;
1357 uschar *transport_name          = NULL;
1358 int     transport_newlines;
1359 uschar **transport_filter_argv  = NULL;
1360 int     transport_filter_timeout;
1361 BOOL    transport_filter_timed_out = FALSE;
1362 int     transport_write_timeout= 0;
1363
1364 tree_node  *tree_dns_fails     = NULL;
1365 tree_node  *tree_duplicates    = NULL;
1366 tree_node  *tree_nonrecipients = NULL;
1367 tree_node  *tree_unusable      = NULL;
1368
1369 BOOL    trusted_caller         = FALSE;
1370 BOOL    trusted_config         = TRUE;
1371 gid_t  *trusted_groups         = NULL;
1372 uid_t  *trusted_users          = NULL;
1373 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1374
1375 uschar *unknown_login          = NULL;
1376 uschar *unknown_username       = NULL;
1377 uschar *untrusted_set_sender   = NULL;
1378
1379 /*  A regex for matching a "From_" line in an incoming message, in the form
1380
1381     From ph10 Fri Jan  5 12:35 GMT 1996
1382
1383 which  the "mail" commands send to the MTA (undocumented, of course), or in
1384 the  form
1385
1386     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1387
1388 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1389 Because  of variations in time formats, just match up to the minutes. That
1390 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1391 so  just require one digit for hours and minutes. The weekday is also absent
1392 in  some forms. */
1393
1394 uschar *uucp_from_pattern      = US
1395    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1396    "(?:"                                          /* Non-extracting bracket */
1397    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1398    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1399    ")"                                            /* End alternation */
1400    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1401
1402 uschar *uucp_from_sender       = US"$1";
1403
1404 uschar *warn_message_file      = NULL;
1405 uschar *warnmsg_delay          = NULL;
1406 uschar *warnmsg_recipients     = NULL;
1407 BOOL    write_rejectlog        = TRUE;
1408
1409 uschar *version_copyright      =
1410  US"Copyright (c) University of Cambridge, 1995 - 2013\n"
1411    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2013";
1412 uschar *version_date           = US"?";
1413 uschar *version_cnumber        = US"????";
1414 uschar *version_string         = US"?";
1415
1416 int     warning_count          = 0;
1417
1418 /*  End of globals.c */