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
 594 uschar *dns_again_means_nonexist = NULL;
 595 int     dns_csa_search_limit   = 5;
 596 BOOL    dns_csa_use_reverse    = TRUE;
 597 uschar *dns_ipv4_lookup        = NULL;
 598 int     dns_retrans            = 0;
 599 int     dns_retry              = 0;
 600 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 601 int     dns_use_edns0          = -1; /* <0 = not coerced */
 602 uschar *dnslist_domain         = NULL;
 603 uschar *dnslist_matched        = NULL;
 604 uschar *dnslist_text           = NULL;
 605 uschar *dnslist_value          = NULL;
 606 tree_node *domainlist_anchor   = NULL;
 607 int     domainlist_count       = 0;
 608 BOOL    dont_deliver           = FALSE;
 609 BOOL    dot_ends               = TRUE;
 610 BOOL    drop_cr                = FALSE;         /* No longer used */
 611 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 612
 613 BOOL    enable_dollar_recipients = FALSE;
 614 BOOL    envelope_to_remove     = TRUE;
 615 int     errno_quota            = ERRNO_QUOTA;
 616 uschar *errors_copy            = NULL;
 617 int     error_handling         = ERRORS_SENDER;
 618 uschar *errors_reply_to        = NULL;
 619 int     errors_sender_rc       = EXIT_FAILURE;
 620
 621 gid_t   exim_gid               = EXIM_GID;
 622 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 623 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 624                         "\0<---------------Space to patch exim_path->";
 625 uid_t   exim_uid               = EXIM_UID;
 626 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 627 int     expand_forbid          = 0;
 628 int     expand_nlength[EXPAND_MAXN+1];
 629 int     expand_nmax            = -1;
 630 uschar *expand_nstring[EXPAND_MAXN+1];
 631 BOOL    expand_string_forcedfail = FALSE;
 632 uschar *expand_string_message;
 633 BOOL    extract_addresses_remove_arguments = TRUE;
 634 uschar *extra_local_interfaces = NULL;
 635
 636 int     fake_response          = OK;
 637 uschar *fake_response_text     = US"Your message has been rejected but is "
 638                                    "being kept for evaluation.\nIf it was a "
 639                                    "legitimate message, it may still be "
 640                                    "delivered to the target recipient(s).";
 641 int     filter_n[FILTER_VARIABLE_COUNT];
 642 BOOL    filter_running         = FALSE;
 643 int     filter_sn[FILTER_VARIABLE_COUNT];
 644 int     filter_test            = FTEST_NONE;
 645 uschar *filter_test_sfile      = NULL;
 646 uschar *filter_test_ufile      = NULL;
 647 uschar *filter_thisaddress     = NULL;
 648 int     finduser_retries       = 0;
 649 #ifdef WITH_OLD_DEMIME
 650 uschar *found_extension        = NULL;
 651 #endif
 652 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 653 uschar *freeze_tell            = NULL;
 654 uschar *freeze_tell_config     = NULL;
 655 uschar *fudged_queue_times     = US"";
 656
 657 uschar *gecos_name             = NULL;
 658 uschar *gecos_pattern          = NULL;
 659 rewrite_rule  *global_rewrite_rules = NULL;
 660
 661 uschar *headers_charset        = US HEADERS_CHARSET;
 662 int     header_insert_maxlen   = 64 * 1024;
 663 header_line  *header_last      = NULL;
 664 header_line  *header_list      = NULL;
 665 int     header_maxsize         = HEADER_MAXSIZE;
 666 int     header_line_maxsize    = 0;
 667
 668 header_name header_names[] = {
 669   { US"bcc",            3, TRUE,  htype_bcc },
 670   { US"cc",             2, TRUE,  htype_cc },
 671   { US"date",           4, TRUE,  htype_date },
 672   { US"delivery-date", 13, FALSE, htype_delivery_date },
 673   { US"envelope-to",   11, FALSE, htype_envelope_to },
 674   { US"from",           4, TRUE,  htype_from },
 675   { US"message-id",    10, TRUE,  htype_id },
 676   { US"received",       8, FALSE, htype_received },
 677   { US"reply-to",       8, FALSE, htype_reply_to },
 678   { US"return-path",   11, FALSE, htype_return_path },
 679   { US"sender",         6, TRUE,  htype_sender },
 680   { US"subject",        7, FALSE, htype_subject },
 681   { US"to",             2, TRUE,  htype_to }
 682 };
 683
 684 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 685
 686 BOOL    header_rewritten       = FALSE;
 687 uschar *helo_accept_junk_hosts = NULL;
 688 uschar *helo_allow_chars       = US"";
 689 uschar *helo_lookup_domains    = US"@ : @[]";
 690 uschar *helo_try_verify_hosts  = NULL;
 691 BOOL    helo_verified          = FALSE;
 692 BOOL    helo_verify_failed     = FALSE;
 693 uschar *helo_verify_hosts      = NULL;
 694 const uschar *hex_digits       = CUS"0123456789abcdef";
 695 uschar *hold_domains           = NULL;
 696 BOOL    host_checking          = FALSE;
 697 BOOL    host_checking_callout  = FALSE;
 698 uschar *host_data              = NULL;
 699 BOOL    host_find_failed_syntax= FALSE;
 700 uschar *host_lookup            = NULL;
 701 BOOL    host_lookup_deferred   = FALSE;
 702 BOOL    host_lookup_failed     = FALSE;
 703 uschar *host_lookup_order      = US"bydns:byaddr";
 704 uschar *host_lookup_msg        = US"";
 705 int     host_number            = 0;
 706 uschar *host_number_string     = NULL;
 707 uschar *host_reject_connection = NULL;
 708 tree_node *hostlist_anchor     = NULL;
 709 int     hostlist_count         = 0;
 710 uschar *hosts_treat_as_local   = NULL;
 711 uschar *hosts_connection_nolog = NULL;
 712
 713 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 714 BOOL    ignore_fromline_local  = FALSE;
 715 uschar *ignore_fromline_hosts  = NULL;
 716 BOOL    inetd_wait_mode        = FALSE;
 717 int     inetd_wait_timeout     = -1;
 718 uschar *interface_address      = NULL;
 719 int     interface_port         = -1;
 720 BOOL    is_inetd               = FALSE;
 721 uschar *iterate_item           = NULL;
 722
 723 int     journal_fd             = -1;
 724
 725 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 726
 727 uschar *eldap_dn               = NULL;
 728 int     load_average           = -2;
 729 BOOL    local_error_message    = FALSE;
 730 BOOL    local_from_check       = TRUE;
 731 uschar *local_from_prefix      = NULL;
 732 uschar *local_from_suffix      = NULL;
 733
 734 #if HAVE_IPV6
 735 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 736 #else
 737 uschar *local_interfaces       = US"0.0.0.0";
 738 #endif
 739
 740 uschar *local_scan_data        = NULL;
 741 int     local_scan_timeout     = 5*60;
 742 BOOL    local_sender_retain    = FALSE;
 743 gid_t   local_user_gid         = (gid_t)(-1);
 744 uid_t   local_user_uid         = (uid_t)(-1);
 745
 746 tree_node *localpartlist_anchor= NULL;
 747 int     localpartlist_count    = 0;
 748 uschar *log_buffer             = NULL;
 749 unsigned int log_extra_selector = LX_default;
 750 uschar *log_file_path          = US LOG_FILE_PATH
 751                            "\0<--------------Space to patch log_file_path->";
 752
 753 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 754 are the ones that get put into log_write_selector. They can be used in calls to
 755 log_write() to test for the bit. The options with LX_xxx identifiers have
 756 values greater than 0x80000000 and are put into log_extra_selector (without the
 757 top bit). They are never used in calls to log_write(), but are tested
 758 independently. This separation became necessary when the number of log
 759 selectors was getting close to filling a 32-bit word. */
 760
 761 /* Note that this list must be in alphabetical order. */
 762
 763 bit_table log_options[]        = {
 764   { US"8bitmime",                     LX_8bitmime },
 765   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 766   { US"address_rewrite",              L_address_rewrite },
 767   { US"all",                          L_all },
 768   { US"all_parents",                  L_all_parents },
 769   { US"arguments",                    LX_arguments },
 770   { US"connection_reject",            L_connection_reject },
 771   { US"delay_delivery",               L_delay_delivery },
 772   { US"deliver_time",                 LX_deliver_time },
 773   { US"delivery_size",                LX_delivery_size },
 774   { US"dnslist_defer",                L_dnslist_defer },
 775   { US"etrn",                         L_etrn },
 776   { US"host_lookup_failed",           L_host_lookup_failed },
 777   { US"ident_timeout",                LX_ident_timeout },
 778   { US"incoming_interface",           LX_incoming_interface },
 779   { US"incoming_port",                LX_incoming_port },
 780   { US"lost_incoming_connection",     L_lost_incoming_connection },
 781   { US"outgoing_port",                LX_outgoing_port },
 782   { US"pid",                          LX_pid },
 783   { US"queue_run",                    L_queue_run },
 784   { US"queue_time",                   LX_queue_time },
 785   { US"queue_time_overall",           LX_queue_time_overall },
 786   { US"received_recipients",          LX_received_recipients },
 787   { US"received_sender",              LX_received_sender },
 788   { US"rejected_header",              LX_rejected_header },
 789   { US"rejected_headers",             LX_rejected_header },
 790   { US"retry_defer",                  L_retry_defer },
 791   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 792   { US"sender_on_delivery",           LX_sender_on_delivery },
 793   { US"sender_verify_fail",           LX_sender_verify_fail },
 794   { US"size_reject",                  L_size_reject },
 795   { US"skip_delivery",                L_skip_delivery },
 796   { US"smtp_confirmation",            LX_smtp_confirmation },
 797   { US"smtp_connection",              L_smtp_connection },
 798   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 799   { US"smtp_mailauth",                LX_smtp_mailauth },
 800   { US"smtp_no_mail",                 LX_smtp_no_mail },
 801   { US"smtp_protocol_error",          L_smtp_protocol_error },
 802   { US"smtp_syntax_error",            L_smtp_syntax_error },
 803   { US"subject",                      LX_subject },
 804   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 805   { US"tls_cipher",                   LX_tls_cipher },
 806   { US"tls_peerdn",                   LX_tls_peerdn },
 807   { US"tls_sni",                      LX_tls_sni },
 808   { US"unknown_in_list",              LX_unknown_in_list }
 809 };
 810
 811 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 812 int     log_reject_target      = 0;
 813 uschar *log_selector_string    = NULL;
 814 FILE   *log_stderr             = NULL;
 815 BOOL    log_testing_mode       = FALSE;
 816 BOOL    log_timezone           = FALSE;
 817 unsigned int log_write_selector= L_default;
 818 uschar *login_sender_address   = NULL;
 819 int     lookup_open_max        = 25;
 820 uschar *lookup_value           = NULL;
 821
 822 macro_item  *macros            = NULL;
 823 uschar *mailstore_basename     = NULL;
 824 #ifdef WITH_CONTENT_SCAN
 825 uschar *malware_name           = NULL;  /* Virus Name */
 826 #endif
 827 int     max_received_linelength= 0;
 828 int     max_username_length    = 0;
 829 int     message_age            = 0;
 830 uschar *message_body           = NULL;
 831 uschar *message_body_end       = NULL;
 832 BOOL    message_body_newlines  = FALSE;
 833 int     message_body_size      = 0;
 834 int     message_body_visible   = 500;
 835 int     message_ended          = END_NOTSTARTED;
 836 uschar *message_headers        = NULL;
 837 uschar *message_id;
 838 uschar *message_id_domain      = NULL;
 839 uschar *message_id_text        = NULL;
 840 struct timeval message_id_tv   = { 0, 0 };
 841 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 842 uschar *message_id_external;
 843 int     message_linecount      = 0;
 844 BOOL    message_logs           = TRUE;
 845 int     message_size           = 0;
 846 uschar *message_size_limit     = US"50M";
 847 uschar  message_subdir[2]      = { 0, 0 };
 848 uschar *message_reference      = NULL;
 849
 850 /* MIME ACL expandables */
 851 #ifdef WITH_CONTENT_SCAN
 852 int     mime_anomaly_level     = 0;
 853 const uschar *mime_anomaly_text      = NULL;
 854 uschar *mime_boundary          = NULL;
 855 uschar *mime_charset           = NULL;
 856 uschar *mime_content_description = NULL;
 857 uschar *mime_content_disposition = NULL;
 858 uschar *mime_content_id        = NULL;
 859 unsigned int mime_content_size = 0;
 860 uschar *mime_content_transfer_encoding = NULL;
 861 uschar *mime_content_type      = NULL;
 862 uschar *mime_decoded_filename  = NULL;
 863 uschar *mime_filename          = NULL;
 864 int     mime_is_multipart      = 0;
 865 int     mime_is_coverletter    = 0;
 866 int     mime_is_rfc822         = 0;
 867 int     mime_part_count        = -1;
 868 #endif
 869
 870 BOOL    mua_wrapper            = FALSE;
 871
 872 uid_t  *never_users            = NULL;
 873 #ifdef WITH_CONTENT_SCAN
 874 BOOL    no_mbox_unspool        = FALSE;
 875 #endif
 876 BOOL    no_multiline_responses = FALSE;
 877
 878 uid_t   original_euid;
 879 gid_t   originator_gid;
 880 uschar *originator_login       = NULL;
 881 uschar *originator_name        = NULL;
 882 uid_t   originator_uid;
 883 uschar *override_local_interfaces = NULL;
 884 uschar *override_pid_file_path = NULL;
 885
 886 BOOL    parse_allow_group      = FALSE;
 887 BOOL    parse_found_group      = FALSE;
 888 uschar *percent_hack_domains   = NULL;
 889 uschar *pid_file_path          = US PID_FILE_PATH
 890                            "\0<--------------Space to patch pid_file_path->";
 891 BOOL    pipelining_enable      = TRUE;
 892 uschar *pipelining_advertise_hosts = US"*";
 893 BOOL    preserve_message_logs  = FALSE;
 894 uschar *primary_hostname       = NULL;
 895 BOOL    print_topbitchars      = FALSE;
 896 uschar  process_info[PROCESS_INFO_SIZE];
 897 int     process_info_len       = 0;
 898 uschar *process_log_path       = NULL;
 899 BOOL    prod_requires_admin    = TRUE;
 900 uschar *prvscheck_address      = NULL;
 901 uschar *prvscheck_keynum       = NULL;
 902 uschar *prvscheck_result       = NULL;
 903
 904
 905 uschar *qualify_domain_recipient = NULL;
 906 uschar *qualify_domain_sender  = NULL;
 907 BOOL    queue_2stage           = FALSE;
 908 uschar *queue_domains          = NULL;
 909 int     queue_interval         = -1;
 910 BOOL    queue_list_requires_admin = TRUE;
 911 BOOL    queue_only             = FALSE;
 912 uschar *queue_only_file        = NULL;
 913 int     queue_only_load        = -1;
 914 BOOL    queue_only_load_latch  = TRUE;
 915 BOOL    queue_only_override    = TRUE;
 916 BOOL    queue_only_policy      = FALSE;
 917 BOOL    queue_run_first_delivery = FALSE;
 918 BOOL    queue_run_force        = FALSE;
 919 BOOL    queue_run_in_order     = FALSE;
 920 BOOL    queue_run_local        = FALSE;
 921 int     queue_run_max          = 5;
 922 pid_t   queue_run_pid          = (pid_t)0;
 923 int     queue_run_pipe         = -1;
 924 BOOL    queue_running          = FALSE;
 925 BOOL    queue_smtp             = FALSE;
 926 uschar *queue_smtp_domains     = NULL;
 927
 928 unsigned int random_seed       = 0;
 929 tree_node *ratelimiters_cmd    = NULL;
 930 tree_node *ratelimiters_conn   = NULL;
 931 tree_node *ratelimiters_mail   = NULL;
 932 uschar *raw_active_hostname    = NULL;
 933 uschar *raw_sender             = NULL;
 934 uschar **raw_recipients        = NULL;
 935 int     raw_recipients_count   = 0;
 936
 937 int     rcpt_count             = 0;
 938 int     rcpt_fail_count        = 0;
 939 int     rcpt_defer_count       = 0;
 940 gid_t   real_gid;
 941 uid_t   real_uid;
 942 BOOL    really_exim            = TRUE;
 943 BOOL    receive_call_bombout   = FALSE;
 944 int     receive_linecount      = 0;
 945 int     receive_messagecount   = 0;
 946 int     receive_timeout        = 0;
 947 int     received_count         = 0;
 948 uschar *received_for           = NULL;
 949
 950 /*  This is the default text for Received headers generated by Exim. The
 951 date  will be automatically added on the end. */
 952
 953 uschar *received_header_text   = US
 954      "Received: "
 955      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 956      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 957      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 958      "by $primary_hostname "
 959      "${if def:received_protocol {with $received_protocol}} "
 960      #ifdef SUPPORT_TLS
 961      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 962      #endif
 963      "(Exim $version_number)\n\t"
 964      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 965      "id $message_exim_id"
 966      "${if def:received_for {\n\tfor $received_for}}"
 967      "\0<---------------Space to patch received_header_text->";
 968
 969 int     received_headers_max   = 30;
 970 uschar *received_protocol      = NULL;
 971 int     received_time          = 0;
 972 uschar *recipient_data         = NULL;
 973 uschar *recipient_unqualified_hosts = NULL;
 974 uschar *recipient_verify_failure = NULL;
 975 int     recipients_count       = 0;
 976 BOOL    recipients_discarded   = FALSE;
 977 recipient_item  *recipients_list = NULL;
 978 int     recipients_list_max    = 0;
 979 int     recipients_max         = 0;
 980 BOOL    recipients_max_reject  = FALSE;
 981 const pcre *regex_AUTH         = NULL;
 982 const pcre *regex_check_dns_names = NULL;
 983 const pcre *regex_From         = NULL;
 984 const pcre *regex_IGNOREQUOTA  = NULL;
 985 const pcre *regex_PIPELINING   = NULL;
 986 const pcre *regex_SIZE         = NULL;
 987 const pcre *regex_smtp_code    = NULL;
 988 const pcre *regex_ismsgid      = NULL;
 989 #ifdef WHITELIST_D_MACROS
 990 const pcre *regex_whitelisted_macro = NULL;
 991 #endif
 992 #ifdef WITH_CONTENT_SCAN
 993 uschar *regex_match_string     = NULL;
 994 #endif
 995 int     remote_delivery_count  = 0;
 996 int     remote_max_parallel    = 2;
 997 uschar *remote_sort_domains    = NULL;
 998 int     retry_data_expire      = 7*24*60*60;
 999 int     retry_interval_max     = 24*60*60;
1000 int     retry_maximum_timeout  = 0;        /* set from retry config */
1001 retry_config  *retries         = NULL;
1002 uschar *return_path            = NULL;
1003 BOOL    return_path_remove     = TRUE;
1004 int     rewrite_existflags     = 0;
1005 uschar *rfc1413_hosts          = US"*";
1006 int     rfc1413_query_timeout  = 5;
1007 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1008 uid_t   root_gid               = ROOT_GID;
1009 uid_t   root_uid               = ROOT_UID;
1010
1011 router_instance  *routers  = NULL;
1012 router_instance  router_defaults = {
1013     NULL,                      /* chain pointer */
1014     NULL,                      /* name */
1015     NULL,                      /* info */
1016     NULL,                      /* private options block pointer */
1017     NULL,                      /* driver name */
1018
1019     NULL,                      /* address_data */
1020 #ifdef EXPERIMENTAL_BRIGHTMAIL
1021     NULL,                      /* bmi_rule */
1022 #endif
1023     NULL,                      /* cannot_route_message */
1024     NULL,                      /* condition */
1025     NULL,                      /* current_directory */
1026     NULL,                      /* debug_string */
1027     NULL,                      /* domains */
1028     NULL,                      /* errors_to */
1029     NULL,                      /* expand_gid */
1030     NULL,                      /* expand_uid */
1031     NULL,                      /* expand_more */
1032     NULL,                      /* expand_unseen */
1033     NULL,                      /* extra_headers */
1034     NULL,                      /* fallback_hosts */
1035     NULL,                      /* home_directory */
1036     NULL,                      /* ignore_target_hosts */
1037     NULL,                      /* local_parts */
1038     NULL,                      /* pass_router_name */
1039     NULL,                      /* prefix */
1040     NULL,                      /* redirect_router_name */
1041     NULL,                      /* remove_headers */
1042     NULL,                      /* require_files */
1043     NULL,                      /* router_home_directory */
1044     US"freeze",                /* self */
1045     NULL,                      /* senders */
1046     NULL,                      /* suffix */
1047     NULL,                      /* translate_ip_address */
1048     NULL,                      /* transport_name */
1049
1050     TRUE,                      /* address_test */
1051 #ifdef EXPERIMENTAL_BRIGHTMAIL
1052     FALSE,                     /* bmi_deliver_alternate */
1053     FALSE,                     /* bmi_deliver_default */
1054     FALSE,                     /* bmi_dont_deliver */
1055 #endif
1056     TRUE,                      /* expn */
1057     FALSE,                     /* caseful_local_part */
1058     FALSE,                     /* check_local_user */
1059     FALSE,                     /* disable_logging */
1060     FALSE,                     /* fail_verify_recipient */
1061     FALSE,                     /* fail_verify_sender */
1062     FALSE,                     /* gid_set */
1063     FALSE,                     /* initgroups */
1064     TRUE_UNSET,                /* log_as_local */
1065     TRUE,                      /* more */
1066     FALSE,                     /* pass_on_timeout */
1067     FALSE,                     /* prefix_optional */
1068     TRUE,                      /* repeat_use */
1069     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1070     FALSE,                     /* same_domain_copy_routing */
1071     FALSE,                     /* self_rewrite */
1072     FALSE,                     /* suffix_optional */
1073     FALSE,                     /* verify_only */
1074     TRUE,                      /* verify_recipient */
1075     TRUE,                      /* verify_sender */
1076     FALSE,                     /* uid_set */
1077     FALSE,                     /* unseen */
1078
1079     self_freeze,               /* self_code */
1080     (uid_t)(-1),               /* uid */
1081     (gid_t)(-1),               /* gid */
1082
1083     NULL,                      /* fallback_hostlist */
1084     NULL,                      /* transport instance */
1085     NULL,                      /* pass_router */
1086     NULL                       /* redirect_router */
1087 };
1088
1089 uschar *router_name            = NULL;
1090
1091 ip_address_item *running_interfaces = NULL;
1092 BOOL    running_in_test_harness = FALSE;
1093
1094 /* This is a weird one. The following string gets patched in the binary by the
1095 script that sets up a copy of Exim for running in the test harness. It seems
1096 that compilers are now clever, and share constant strings if they can.
1097 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1098 make use of the end of this string in order to save space. So the patching then
1099 wrecks this. We defeat this optimization by adding some additional characters
1100 onto the end of the string. */
1101
1102 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1103
1104 int     runrc                  = 0;
1105
1106 uschar *search_error_message   = NULL;
1107 BOOL    search_find_defer      = FALSE;
1108 uschar *self_hostname          = NULL;
1109 uschar *sender_address         = NULL;
1110 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1111 uschar *sender_address_data    = NULL;
1112 BOOL    sender_address_forced  = FALSE;
1113 uschar *sender_address_unrewritten = NULL;
1114 uschar *sender_data            = NULL;
1115 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1116 uschar *sender_fullhost        = NULL;
1117 uschar *sender_helo_name       = NULL;
1118 uschar **sender_host_aliases   = &no_aliases;
1119 uschar *sender_host_address    = NULL;
1120 uschar *sender_host_authenticated = NULL;
1121 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1122 BOOL    sender_host_dnssec     = FALSE;
1123 uschar *sender_host_name       = NULL;
1124 int     sender_host_port       = 0;
1125 BOOL    sender_host_notsocket  = FALSE;
1126 BOOL    sender_host_unknown    = FALSE;
1127 uschar *sender_ident           = NULL;
1128 BOOL    sender_local           = FALSE;
1129 BOOL    sender_name_forced     = FALSE;
1130 uschar *sender_rate            = NULL;
1131 uschar *sender_rate_limit      = NULL;
1132 uschar *sender_rate_period     = NULL;
1133 uschar *sender_rcvhost         = NULL;
1134 BOOL    sender_set_untrusted   = FALSE;
1135 uschar *sender_unqualified_hosts = NULL;
1136 uschar *sender_verify_failure = NULL;
1137 address_item *sender_verified_list  = NULL;
1138 address_item *sender_verified_failed = NULL;
1139 int     sender_verified_rc     = -1;
1140 BOOL    sender_verified_responded = FALSE;
1141 uschar *sending_ip_address     = NULL;
1142 int     sending_port           = -1;
1143 SIGNAL_BOOL sigalrm_seen       = FALSE;
1144 uschar **sighup_argv           = NULL;
1145 int     smtp_accept_count      = 0;
1146 BOOL    smtp_accept_keepalive  = TRUE;
1147 int     smtp_accept_max        = 20;
1148 int     smtp_accept_max_nonmail= 10;
1149 uschar *smtp_accept_max_nonmail_hosts = US"*";
1150 int     smtp_accept_max_per_connection = 1000;
1151 uschar *smtp_accept_max_per_host = NULL;
1152 int     smtp_accept_queue      = 0;
1153 int     smtp_accept_queue_per_connection = 10;
1154 int     smtp_accept_reserve    = 0;
1155 uschar *smtp_active_hostname   = NULL;
1156 BOOL    smtp_authenticated     = FALSE;
1157 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1158                              "Exim $version_number $tod_full"
1159                              "\0<---------------Space to patch smtp_banner->";
1160 BOOL    smtp_batched_input     = FALSE;
1161 BOOL    smtp_check_spool_space = TRUE;
1162 int     smtp_ch_index          = 0;
1163 uschar *smtp_cmd_argument      = NULL;
1164 uschar *smtp_cmd_buffer        = NULL;
1165 time_t  smtp_connection_start  = 0;
1166 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1167 int     smtp_connect_backlog   = 20;
1168 double  smtp_delay_mail        = 0.0;
1169 double  smtp_delay_rcpt        = 0.0;
1170 BOOL    smtp_enforce_sync      = TRUE;
1171 FILE   *smtp_in                = NULL;
1172 BOOL    smtp_input             = FALSE;
1173 int     smtp_load_reserve      = -1;
1174 int     smtp_mailcmd_count     = 0;
1175 FILE   *smtp_out               = NULL;
1176 uschar *smtp_etrn_command      = NULL;
1177 BOOL    smtp_etrn_serialize    = TRUE;
1178 int     smtp_max_synprot_errors= 3;
1179 int     smtp_max_unknown_commands = 3;
1180 uschar *smtp_notquit_reason    = NULL;
1181 uschar *smtp_ratelimit_hosts   = NULL;
1182 uschar *smtp_ratelimit_mail    = NULL;
1183 uschar *smtp_ratelimit_rcpt    = NULL;
1184 uschar *smtp_read_error        = US"";
1185 int     smtp_receive_timeout   = 5*60;
1186 uschar *smtp_reserve_hosts     = NULL;
1187 BOOL    smtp_return_error_details = FALSE;
1188 int     smtp_rlm_base          = 0;
1189 double  smtp_rlm_factor        = 0.0;
1190 int     smtp_rlm_limit         = 0;
1191 int     smtp_rlm_threshold     = INT_MAX;
1192 int     smtp_rlr_base          = 0;
1193 double  smtp_rlr_factor        = 0.0;
1194 int     smtp_rlr_limit         = 0;
1195 int     smtp_rlr_threshold     = INT_MAX;
1196 BOOL    smtp_use_pipelining    = FALSE;
1197 BOOL    smtp_use_size          = FALSE;
1198
1199 #ifdef WITH_CONTENT_SCAN
1200 uschar *spamd_address          = US"127.0.0.1 783";
1201 uschar *spam_bar               = NULL;
1202 uschar *spam_report            = NULL;
1203 uschar *spam_score             = NULL;
1204 uschar *spam_score_int         = NULL;
1205 #endif
1206 #ifdef EXPERIMENTAL_SPF
1207 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1208 uschar *spf_header_comment     = NULL;
1209 uschar *spf_received           = NULL;
1210 uschar *spf_result             = NULL;
1211 uschar *spf_smtp_comment       = NULL;
1212 #endif
1213
1214 BOOL    split_spool_directory  = FALSE;
1215 uschar *spool_directory        = US SPOOL_DIRECTORY
1216                            "\0<--------------Space to patch spool_directory->";
1217 #ifdef EXPERIMENTAL_SRS
1218 uschar *srs_config             = NULL;
1219 uschar *srs_db_address         = NULL;
1220 uschar *srs_db_key             = NULL;
1221 int     srs_hashlength         = 6;
1222 int     srs_hashmin            = -1;
1223 int     srs_maxage             = 31;
1224 uschar *srs_orig_recipient     = NULL;
1225 uschar *srs_orig_sender        = NULL;
1226 uschar *srs_recipient          = NULL;
1227 uschar *srs_secrets            = NULL;
1228 uschar *srs_status             = NULL;
1229 BOOL    srs_usehash            = TRUE;
1230 BOOL    srs_usetimestamp       = TRUE;
1231 #endif
1232 BOOL    strict_acl_vars        = FALSE;
1233 int     string_datestamp_offset= -1;
1234 int     string_datestamp_length= 0;
1235 int     string_datestamp_type  = -1;
1236 BOOL    strip_excess_angle_brackets = FALSE;
1237 BOOL    strip_trailing_dot     = FALSE;
1238 uschar *submission_domain      = NULL;
1239 BOOL    submission_mode        = FALSE;
1240 uschar *submission_name        = NULL;
1241 BOOL    suppress_local_fixups  = FALSE;
1242 BOOL    suppress_local_fixups_default = FALSE;
1243 BOOL    synchronous_delivery   = FALSE;
1244 BOOL    syslog_duplication     = TRUE;
1245 int     syslog_facility        = LOG_MAIL;
1246 uschar *syslog_processname     = US"exim";
1247 BOOL    syslog_timestamp       = TRUE;
1248 uschar *system_filter          = NULL;
1249
1250 uschar *system_filter_directory_transport = NULL;
1251 uschar *system_filter_file_transport = NULL;
1252 uschar *system_filter_pipe_transport = NULL;
1253 uschar *system_filter_reply_transport = NULL;
1254
1255 gid_t   system_filter_gid      = 0;
1256 BOOL    system_filter_gid_set  = FALSE;
1257 uid_t   system_filter_uid      = (uid_t)-1;
1258 BOOL    system_filter_uid_set  = FALSE;
1259 BOOL    system_filtering       = FALSE;
1260
1261 BOOL    tcp_nodelay            = TRUE;
1262 #ifdef USE_TCP_WRAPPERS
1263 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1264 #endif
1265 int     test_harness_load_avg  = 0;
1266 int     thismessage_size_limit = 0;
1267 int     timeout_frozen_after   = 0;
1268 BOOL    timestamps_utc         = FALSE;
1269
1270 transport_instance  *transports = NULL;
1271
1272 transport_instance  transport_defaults = {
1273     NULL,                     /* chain pointer */
1274     NULL,                     /* name */
1275     NULL,                     /* info */
1276     NULL,                     /* private options block pointer */
1277     NULL,                     /* driver name */
1278     NULL,                     /* setup entry point */
1279     1,                        /* batch_max */
1280     NULL,                     /* batch_id */
1281     NULL,                     /* home_dir */
1282     NULL,                     /* current_dir */
1283     TRUE,                     /* multi-domain */
1284     FALSE,                    /* overrides_hosts */
1285     100,                      /* max_addresses */
1286     500,                      /* connection_max_messages */
1287     FALSE,                    /* deliver_as_creator */
1288     FALSE,                    /* disable_logging */
1289     FALSE,                    /* initgroups */
1290     FALSE,                    /* uid_set */
1291     FALSE,                    /* gid_set */
1292     (uid_t)(-1),              /* uid */
1293     (gid_t)(-1),              /* gid */
1294     NULL,                     /* expand_uid */
1295     NULL,                     /* expand_gid */
1296     NULL,                     /* warn_message */
1297     NULL,                     /* shadow */
1298     NULL,                     /* shadow_condition */
1299     NULL,                     /* filter_command */
1300     NULL,                     /* add_headers */
1301     NULL,                     /* remove_headers */
1302     NULL,                     /* return_path */
1303     NULL,                     /* debug_string */
1304     NULL,                     /* message_size_limit */
1305     NULL,                     /* headers_rewrite */
1306     NULL,                     /* rewrite_rules */
1307     0,                        /* rewrite_existflags */
1308     300,                      /* filter_timeout */
1309     FALSE,                    /* body_only */
1310     FALSE,                    /* delivery_date_add */
1311     FALSE,                    /* envelope_to_add */
1312     FALSE,                    /* headers_only */
1313     FALSE,                    /* rcpt_include_affixes */
1314     FALSE,                    /* return_path_add */
1315     FALSE,                    /* return_output */
1316     FALSE,                    /* return_fail_output */
1317     FALSE,                    /* log_output */
1318     FALSE,                    /* log_fail_output */
1319     FALSE,                    /* log_defer_output */
1320     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1321                                  1 nor 0 so can detect unset */
1322 };
1323
1324 int     transport_count;
1325 uschar *transport_name          = NULL;
1326 int     transport_newlines;
1327 uschar **transport_filter_argv  = NULL;
1328 int     transport_filter_timeout;
1329 BOOL    transport_filter_timed_out = FALSE;
1330 int     transport_write_timeout= 0;
1331
1332 tree_node  *tree_dns_fails     = NULL;
1333 tree_node  *tree_duplicates    = NULL;
1334 tree_node  *tree_nonrecipients = NULL;
1335 tree_node  *tree_unusable      = NULL;
1336
1337 BOOL    trusted_caller         = FALSE;
1338 BOOL    trusted_config         = TRUE;
1339 gid_t  *trusted_groups         = NULL;
1340 uid_t  *trusted_users          = NULL;
1341 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1342
1343 uschar *unknown_login          = NULL;
1344 uschar *unknown_username       = NULL;
1345 uschar *untrusted_set_sender   = NULL;
1346
1347 /*  A regex for matching a "From_" line in an incoming message, in the form
1348
1349     From ph10 Fri Jan  5 12:35 GMT 1996
1350
1351 which  the "mail" commands send to the MTA (undocumented, of course), or in
1352 the  form
1353
1354     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1355
1356 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1357 Because  of variations in time formats, just match up to the minutes. That
1358 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1359 so  just require one digit for hours and minutes. The weekday is also absent
1360 in  some forms. */
1361
1362 uschar *uucp_from_pattern      = US
1363    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1364    "(?:"                                          /* Non-extracting bracket */
1365    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1366    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1367    ")"                                            /* End alternation */
1368    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1369
1370 uschar *uucp_from_sender       = US"$1";
1371
1372 uschar *warn_message_file      = NULL;
1373 uschar *warnmsg_delay          = NULL;
1374 uschar *warnmsg_recipients     = NULL;
1375 BOOL    write_rejectlog        = TRUE;
1376
1377 uschar *version_copyright      =
1378  US"Copyright (c) University of Cambridge, 1995 - 2012\n"
1379    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2012";
1380 uschar *version_date           = US"?";
1381 uschar *version_cnumber        = US"????";
1382 uschar *version_string         = US"?";
1383
1384 int     warning_count          = 0;
1385
1386 /*  End of globals.c */