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