src/src/globals.c

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