src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2014 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* All the global variables are defined together in this one module, so
   9 that they are easy to find. */
  10
  11 #include "exim.h"
  12
  13
  14 /* Generic options for auths, all of which live inside auth_instance
  15 data blocks and hence have the opt_public flag set. */
  16
  17 optionlist optionlist_auths[] = {
  18   { "client_condition", opt_stringptr | opt_public,
  19                  (void *)(offsetof(auth_instance, client_condition)) },
  20   { "client_set_id", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, set_client_id)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(auth_instance, set_id)) }
  36 };
  37
  38 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 #endif
  53
  54 #ifdef EXPAND_DLFUNC
  55 tree_node *dlobj_anchor        = NULL;
  56 #endif
  57
  58 #ifdef LOOKUP_IBASE
  59 uschar *ibase_servers          = NULL;
  60 #endif
  61
  62 #ifdef LOOKUP_LDAP
  63 uschar *eldap_ca_cert_dir      = NULL;
  64 uschar *eldap_ca_cert_file     = NULL;
  65 uschar *eldap_cert_file        = NULL;
  66 uschar *eldap_cert_key         = NULL;
  67 uschar *eldap_cipher_suite     = NULL;
  68 uschar *eldap_default_servers  = NULL;
  69 uschar *eldap_require_cert     = NULL;
  70 int     eldap_version          = -1;
  71 BOOL    eldap_start_tls        = FALSE;
  72 #endif
  73
  74 #ifdef LOOKUP_MYSQL
  75 uschar *mysql_servers          = NULL;
  76 #endif
  77
  78 #ifdef LOOKUP_ORACLE
  79 uschar *oracle_servers         = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_PGSQL
  83 uschar *pgsql_servers          = NULL;
  84 #endif
  85
  86 #ifdef EXPERIMENTAL_REDIS
  87 uschar *redis_servers          = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_SQLITE
  91 int     sqlite_lock_timeout    = 5;
  92 #endif
  93
  94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  95 BOOL    move_frozen_messages   = FALSE;
  96 #endif
  97
  98 /* These variables are outside the #ifdef because it keeps the code less
  99 cluttered in several places (e.g. during logging) if we can always refer to
 100 them. Also, the tls_ variables are now always visible. */
 101
 102 tls_support tls_in = {
 103  -1,   /* tls_active */
 104  0,    /* tls_bits */
 105  FALSE,/* tls_certificate_verified */
 106  NULL, /* tls_cipher */
 107  FALSE,/* tls_on_connect */
 108  NULL, /* tls_on_connect_ports */
 109  NULL, /* tls_ourcert */
 110  NULL, /* tls_peercert */
 111  NULL, /* tls_peerdn */
 112  NULL, /* tls_sni */
 113  0     /* tls_ocsp */
 114 };
 115 tls_support tls_out = {
 116  -1,   /* tls_active */
 117  0,    /* tls_bits */
 118  FALSE,/* tls_certificate_verified */
 119  NULL, /* tls_cipher */
 120  FALSE,/* tls_on_connect */
 121  NULL, /* tls_on_connect_ports */
 122  NULL, /* tls_ourcert */
 123  NULL, /* tls_peercert */
 124  NULL, /* tls_peerdn */
 125  NULL, /* tls_sni */
 126  0     /* tls_ocsp */
 127 };
 128
 129
 130 #ifdef SUPPORT_TLS
 131 BOOL    gnutls_compat_mode     = FALSE;
 132 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 133 uschar *gnutls_require_mac     = NULL;
 134 uschar *gnutls_require_kx      = NULL;
 135 uschar *gnutls_require_proto   = NULL;
 136 uschar *openssl_options        = NULL;
 137 const pcre *regex_STARTTLS     = NULL;
 138 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 139 uschar *tls_certificate        = NULL;
 140 uschar *tls_crl                = NULL;
 141 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 142 that's the interop problem which has been observed: GnuTLS suggesting a higher
 143 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 144 int     tls_dh_max_bits        = 2236;
 145 uschar *tls_dhparam            = NULL;
 146 #if defined(EXPERIMENTAL_OCSP)
 147 uschar *tls_ocsp_file          = NULL;
 148 #endif
 149 BOOL    tls_offered            = FALSE;
 150 uschar *tls_privatekey         = NULL;
 151 BOOL    tls_remember_esmtp     = FALSE;
 152 uschar *tls_require_ciphers    = NULL;
 153 uschar *tls_try_verify_hosts   = NULL;
 154 uschar *tls_verify_certificates= NULL;
 155 uschar *tls_verify_hosts       = NULL;
 156 #endif
 157
 158 #ifdef EXPERIMENTAL_PRDR
 159 /* Per Recipient Data Response variables */
 160 BOOL    prdr_enable            = FALSE;
 161 BOOL    prdr_requested         = FALSE;
 162 const pcre *regex_PRDR         = NULL;
 163 #endif
 164
 165 /* Input-reading functions for messages, so we can use special ones for
 166 incoming TCP/IP. The defaults use stdin. We never need these for any
 167 stand-alone tests. */
 168
 169 #ifndef STAND_ALONE
 170 int (*receive_getc)(void)      = stdin_getc;
 171 int (*receive_ungetc)(int)     = stdin_ungetc;
 172 int (*receive_feof)(void)      = stdin_feof;
 173 int (*receive_ferror)(void)    = stdin_ferror;
 174 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 175 #endif
 176
 177
 178 /* List of per-address expansion variables for clearing and saving/restoring
 179 when verifying one address while routing/verifying another. We have to have
 180 the size explicit, because it is referenced from more than one module. */
 181
 182 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 183   &deliver_address_data,
 184   &deliver_domain,
 185   &deliver_domain_data,
 186   &deliver_domain_orig,
 187   &deliver_domain_parent,
 188   &deliver_localpart,
 189   &deliver_localpart_data,
 190   &deliver_localpart_orig,
 191   &deliver_localpart_parent,
 192   &deliver_localpart_prefix,
 193   &deliver_localpart_suffix,
 194   (uschar **)(&deliver_recipients),
 195   &deliver_host,
 196   &deliver_home,
 197   &address_file,
 198   &address_pipe,
 199   &self_hostname,
 200   NULL };
 201
 202 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 203
 204 /* General global variables */
 205
 206 header_line *acl_added_headers = NULL;
 207 tree_node *acl_anchor          = NULL;
 208 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 209                                   NULL, NULL, NULL, NULL};
 210 int     acl_narg               = 0;
 211
 212 uschar *acl_not_smtp           = NULL;
 213 #ifdef WITH_CONTENT_SCAN
 214 uschar *acl_not_smtp_mime      = NULL;
 215 #endif
 216 uschar *acl_not_smtp_start     = NULL;
 217 uschar *acl_removed_headers    = NULL;
 218 uschar *acl_smtp_auth          = NULL;
 219 uschar *acl_smtp_connect       = NULL;
 220 uschar *acl_smtp_data          = NULL;
 221 #ifdef EXPERIMENTAL_PRDR
 222 uschar *acl_smtp_data_prdr     = NULL;
 223 #endif
 224 #ifndef DISABLE_DKIM
 225 uschar *acl_smtp_dkim          = NULL;
 226 #endif
 227 uschar *acl_smtp_etrn          = NULL;
 228 uschar *acl_smtp_expn          = NULL;
 229 uschar *acl_smtp_helo          = NULL;
 230 uschar *acl_smtp_mail          = NULL;
 231 uschar *acl_smtp_mailauth      = NULL;
 232 #ifdef WITH_CONTENT_SCAN
 233 uschar *acl_smtp_mime          = NULL;
 234 #endif
 235 uschar *acl_smtp_notquit       = NULL;
 236 uschar *acl_smtp_predata       = NULL;
 237 uschar *acl_smtp_quit          = NULL;
 238 uschar *acl_smtp_rcpt          = NULL;
 239 uschar *acl_smtp_starttls      = NULL;
 240 uschar *acl_smtp_vrfy          = NULL;
 241
 242 BOOL    acl_temp_details       = FALSE;
 243 tree_node *acl_var_c           = NULL;
 244 tree_node *acl_var_m           = NULL;
 245 uschar *acl_verify_message     = NULL;
 246 string_item *acl_warn_logged   = NULL;
 247
 248 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 249 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 250
 251 uschar *acl_wherenames[]       = { US"RCPT",
 252                                    US"MAIL",
 253                                    US"PREDATA",
 254                                    US"MIME",
 255                                    US"DKIM",
 256                                    US"DATA",
 257 #ifdef EXPERIMENTAL_PRDR
 258                                    US"PRDR",
 259 #endif
 260                                    US"non-SMTP",
 261                                    US"AUTH",
 262                                    US"connection",
 263                                    US"ETRN",
 264                                    US"EXPN",
 265                                    US"EHLO or HELO",
 266                                    US"MAILAUTH",
 267                                    US"non-SMTP-start",
 268                                    US"NOTQUIT",
 269                                    US"QUIT",
 270                                    US"STARTTLS",
 271                                    US"VRFY",
 272                                    US"delivery",
 273                                    US"unknown"
 274                                  };
 275
 276 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 277                                    US"550",     /* MAIL */
 278                                    US"550",     /* PREDATA */
 279                                    US"550",     /* MIME */
 280                                    US"550",     /* DKIM */
 281                                    US"550",     /* DATA */
 282 #ifdef EXPERIMENTAL_PRDR
 283                                    US"550",    /* RCPT PRDR */
 284 #endif
 285                                    US"0",       /* not SMTP; not relevant */
 286                                    US"503",     /* AUTH */
 287                                    US"550",     /* connect */
 288                                    US"458",     /* ETRN */
 289                                    US"550",     /* EXPN */
 290                                    US"550",     /* HELO/EHLO */
 291                                    US"0",       /* MAILAUTH; not relevant */
 292                                    US"0",       /* not SMTP; not relevant */
 293                                    US"0",       /* NOTQUIT; not relevant */
 294                                    US"0",       /* QUIT; not relevant */
 295                                    US"550",     /* STARTTLS */
 296                                    US"252",     /* VRFY */
 297                                    US"0",       /* delivery; not relevant */
 298                                    US"0"        /* unknown; not relevant */
 299                                  };
 300
 301 BOOL    active_local_from_check = FALSE;
 302 BOOL    active_local_sender_retain = FALSE;
 303 int     body_8bitmime = 0;
 304 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 305 address_item  *addr_duplicate  = NULL;
 306
 307 address_item address_defaults = {
 308   NULL,                 /* next */
 309   NULL,                 /* parent */
 310   NULL,                 /* first */
 311   NULL,                 /* dupof */
 312   NULL,                 /* start_router */
 313   NULL,                 /* router */
 314   NULL,                 /* transport */
 315   NULL,                 /* host_list */
 316   NULL,                 /* host_used */
 317   NULL,                 /* fallback_hosts */
 318   NULL,                 /* reply */
 319   NULL,                 /* retries */
 320   NULL,                 /* address */
 321   NULL,                 /* unique */
 322   NULL,                 /* cc_local_part */
 323   NULL,                 /* lc_local_part */
 324   NULL,                 /* local_part */
 325   NULL,                 /* prefix */
 326   NULL,                 /* suffix */
 327   NULL,                 /* domain */
 328   NULL,                 /* address_retry_key */
 329   NULL,                 /* domain_retry_key */
 330   NULL,                 /* current_dir */
 331   NULL,                 /* home_dir */
 332   NULL,                 /* message */
 333   NULL,                 /* user_message */
 334   NULL,                 /* onetime_parent */
 335   NULL,                 /* pipe_expandn */
 336   NULL,                 /* return_filename */
 337   NULL,                 /* self_hostname */
 338   NULL,                 /* shadow_message */
 339   #ifdef SUPPORT_TLS
 340   NULL,                 /* cipher */
 341   NULL,                 /* ourcert */
 342   NULL,                 /* peercert */
 343   NULL,                 /* peerdn */
 344   #endif
 345   NULL,                 /* authenticator */
 346   NULL,                 /* auth_id */
 347   NULL,                 /* auth_sndr */
 348   (uid_t)(-1),          /* uid */
 349   (gid_t)(-1),          /* gid */
 350   0,                    /* flags */
 351   { 0 },                /* domain_cache - any larger array should be zeroed */
 352   { 0 },                /* localpart_cache - ditto */
 353   -1,                   /* mode */
 354   0,                    /* more_errno */
 355   ERRNO_UNKNOWNERROR,   /* basic_errno */
 356   0,                    /* child_count */
 357   -1,                   /* return_file */
 358   SPECIAL_NONE,         /* special_action */
 359   DEFER,                /* transport_return */
 360   {                     /* fields that are propagated to children */
 361     NULL,               /* address_data */
 362     NULL,               /* domain_data */
 363     NULL,               /* localpart_data */
 364     NULL,               /* errors_address */
 365     NULL,               /* extra_headers */
 366     NULL,               /* remove_headers */
 367 #ifdef EXPERIMENTAL_SRS
 368     NULL,               /* srs_sender */
 369 #endif
 370   }
 371 };
 372
 373 uschar *address_file           = NULL;
 374 uschar *address_pipe           = NULL;
 375 BOOL    address_test_mode      = FALSE;
 376 tree_node *addresslist_anchor  = NULL;
 377 int     addresslist_count      = 0;
 378 gid_t  *admin_groups           = NULL;
 379 BOOL    admin_user             = FALSE;
 380 BOOL    allow_auth_unadvertised= FALSE;
 381 BOOL    allow_domain_literals  = FALSE;
 382 BOOL    allow_mx_to_ip         = FALSE;
 383 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 384 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 385 BOOL    allow_utf8_domains     = FALSE;
 386 uschar *authenticated_fail_id  = NULL;
 387 uschar *authenticated_id       = NULL;
 388 uschar *authenticated_sender   = NULL;
 389 BOOL    authentication_failed  = FALSE;
 390 auth_instance  *auths          = NULL;
 391 uschar *auth_advertise_hosts   = US"*";
 392 auth_instance auth_defaults    = {
 393     NULL,                      /* chain pointer */
 394     NULL,                      /* name */
 395     NULL,                      /* info */
 396     NULL,                      /* private options block pointer */
 397     NULL,                      /* driver_name */
 398     NULL,                      /* advertise_condition */
 399     NULL,                      /* client_condition */
 400     NULL,                      /* public_name */
 401     NULL,                      /* set_id */
 402     NULL,                      /* set_client_id */
 403     NULL,                      /* server_mail_auth_condition */
 404     NULL,                      /* server_debug_string */
 405     NULL,                      /* server_condition */
 406     FALSE,                     /* client */
 407     FALSE,                     /* server */
 408     FALSE                      /* advertised */
 409 };
 410
 411 uschar *auth_defer_msg         = US"reason not recorded";
 412 uschar *auth_defer_user_msg    = US"";
 413 uschar *auth_vars[AUTH_VARS];
 414 int     auto_thaw              = 0;
 415 #ifdef WITH_CONTENT_SCAN
 416 BOOL    av_failed              = FALSE;
 417 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 418 #endif
 419
 420 BOOL    background_daemon      = TRUE;
 421
 422 #if BASE_62 == 62
 423 uschar *base62_chars=
 424     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 425 #else
 426 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 427 #endif
 428
 429 uschar *bi_command             = NULL;
 430 uschar *big_buffer             = NULL;
 431 int     big_buffer_size        = BIG_BUFFER_SIZE;
 432 #ifdef EXPERIMENTAL_BRIGHTMAIL
 433 uschar *bmi_alt_location       = NULL;
 434 uschar *bmi_base64_tracker_verdict = NULL;
 435 uschar *bmi_base64_verdict     = NULL;
 436 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 437 int     bmi_deliver            = 1;
 438 int     bmi_run                = 0;
 439 uschar *bmi_verdicts           = NULL;
 440 #endif
 441 int     body_linecount         = 0;
 442 int     body_zerocount         = 0;
 443 uschar *bounce_message_file    = NULL;
 444 uschar *bounce_message_text    = NULL;
 445 uschar *bounce_recipient       = NULL;
 446 BOOL    bounce_return_body     = TRUE;
 447 BOOL    bounce_return_message  = TRUE;
 448 int     bounce_return_size_limit = 100*1024;
 449 uschar *bounce_sender_authentication = NULL;
 450 int     bsmtp_transaction_linecount = 0;
 451
 452 int     callout_cache_domain_positive_expire = 7*24*60*60;
 453 int     callout_cache_domain_negative_expire = 3*60*60;
 454 int     callout_cache_positive_expire = 24*60*60;
 455 int     callout_cache_negative_expire = 2*60*60;
 456 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 457 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 458 int     check_log_inodes       = 0;
 459 int     check_log_space        = 0;
 460 BOOL    check_rfc2047_length   = TRUE;
 461 int     check_spool_inodes     = 0;
 462 int     check_spool_space      = 0;
 463 uschar  *client_authenticator  = NULL;
 464 uschar  *client_authenticated_id = NULL;
 465 uschar  *client_authenticated_sender = NULL;
 466 int     clmacro_count          = 0;
 467 uschar *clmacros[MAX_CLMACROS];
 468 BOOL    config_changed         = FALSE;
 469 FILE   *config_file            = NULL;
 470 uschar *config_filename        = NULL;
 471 int     config_lineno          = 0;
 472 #ifdef CONFIGURE_GROUP
 473 gid_t   config_gid             = CONFIGURE_GROUP;
 474 #endif
 475 uschar *config_main_filelist   = US CONFIGURE_FILE
 476                          "\0<-----------Space to patch configure_filename->";
 477 uschar *config_main_filename   = NULL;
 478
 479 #ifdef CONFIGURE_OWNER
 480 uid_t   config_uid             = CONFIGURE_OWNER;
 481 #endif
 482
 483 int     connection_max_messages= -1;
 484 uschar *continue_hostname      = NULL;
 485 uschar *continue_host_address  = NULL;
 486 BOOL    continue_more          = FALSE;
 487 int     continue_sequence      = 1;
 488 uschar *continue_transport     = NULL;
 489
 490 uschar *csa_status             = NULL;
 491 BOOL    cutthrough_delivery    = FALSE;
 492 int     cutthrough_fd          = -1;
 493
 494 BOOL    daemon_listen          = FALSE;
 495 uschar *daemon_smtp_port       = US"smtp";
 496 int     daemon_startup_retries = 9;
 497 int     daemon_startup_sleep   = 30;
 498
 499 #ifdef EXPERIMENTAL_DCC
 500 BOOL    dcc_direct_add_header  = FALSE;
 501 uschar *dcc_header             = NULL;
 502 uschar *dcc_result             = NULL;
 503 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 504 uschar *dccifd_options         = US"header";
 505 #endif
 506
 507 BOOL    debug_daemon           = FALSE;
 508 int     debug_fd               = -1;
 509 FILE   *debug_file             = NULL;
 510 bit_table debug_options[]      = {
 511   { US"acl",            D_acl },
 512   { US"all",            D_all },
 513   { US"auth",           D_auth },
 514   { US"deliver",        D_deliver },
 515   { US"dns",            D_dns },
 516   { US"dnsbl",          D_dnsbl },
 517   { US"exec",           D_exec },
 518   { US"expand",         D_expand },
 519   { US"filter",         D_filter },
 520   { US"hints_lookup",   D_hints_lookup },
 521   { US"host_lookup",    D_host_lookup },
 522   { US"ident",          D_ident },
 523   { US"interface",      D_interface },
 524   { US"lists",          D_lists },
 525   { US"load",           D_load },
 526   { US"local_scan",     D_local_scan },
 527   { US"lookup",         D_lookup },
 528   { US"memory",         D_memory },
 529   { US"pid",            D_pid },
 530   { US"process_info",   D_process_info },
 531   { US"queue_run",      D_queue_run },
 532   { US"receive",        D_receive },
 533   { US"resolver",       D_resolver },
 534   { US"retry",          D_retry },
 535   { US"rewrite",        D_rewrite },
 536   { US"route",          D_route },
 537   { US"timestamp",      D_timestamp },
 538   { US"tls",            D_tls },
 539   { US"transport",      D_transport },
 540   { US"uid",            D_uid },
 541   { US"verify",         D_verify }
 542 };
 543 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 544 unsigned int debug_selector    = 0;
 545 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 546 uschar *delay_warning_condition=
 547   US"${if or {"
 548             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 549             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 550             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 551             "} {no}{yes}}";
 552 BOOL    delivery_date_remove   = TRUE;
 553 uschar *deliver_address_data   = NULL;
 554 int     deliver_datafile       = -1;
 555 uschar *deliver_domain         = NULL;
 556 uschar *deliver_domain_data    = NULL;
 557 uschar *deliver_domain_orig    = NULL;
 558 uschar *deliver_domain_parent  = NULL;
 559 BOOL    deliver_drop_privilege = FALSE;
 560 BOOL    deliver_firsttime      = FALSE;
 561 BOOL    deliver_force          = FALSE;
 562 BOOL    deliver_freeze         = FALSE;
 563 int     deliver_frozen_at      = 0;
 564 uschar *deliver_home           = NULL;
 565 uschar *deliver_host           = NULL;
 566 uschar *deliver_host_address   = NULL;
 567 uschar *deliver_in_buffer      = NULL;
 568 ino_t   deliver_inode          = 0;
 569 uschar *deliver_localpart      = NULL;
 570 uschar *deliver_localpart_data = NULL;
 571 uschar *deliver_localpart_orig = NULL;
 572 uschar *deliver_localpart_parent = NULL;
 573 uschar *deliver_localpart_prefix = NULL;
 574 uschar *deliver_localpart_suffix = NULL;
 575 BOOL    deliver_force_thaw     = FALSE;
 576 BOOL    deliver_manual_thaw    = FALSE;
 577 uschar *deliver_out_buffer     = NULL;
 578 int     deliver_queue_load_max = -1;
 579 address_item  *deliver_recipients = NULL;
 580 uschar *deliver_selectstring   = NULL;
 581 BOOL    deliver_selectstring_regex = FALSE;
 582 uschar *deliver_selectstring_sender = NULL;
 583 BOOL    deliver_selectstring_sender_regex = FALSE;
 584 #ifdef WITH_OLD_DEMIME
 585 int     demime_errorlevel      = 0;
 586 int     demime_ok              = 0;
 587 uschar *demime_reason          = NULL;
 588 #endif
 589 BOOL    disable_callout_flush  = FALSE;
 590 BOOL    disable_delay_flush    = FALSE;
 591 #ifdef ENABLE_DISABLE_FSYNC
 592 BOOL    disable_fsync          = FALSE;
 593 #endif
 594 BOOL    disable_ipv6           = FALSE;
 595 BOOL    disable_logging        = FALSE;
 596
 597 #ifndef DISABLE_DKIM
 598 uschar *dkim_cur_signer          = NULL;
 599 uschar *dkim_signers             = NULL;
 600 uschar *dkim_signing_domain      = NULL;
 601 uschar *dkim_signing_selector    = NULL;
 602 uschar *dkim_verify_signers      = US"$dkim_signers";
 603 BOOL    dkim_collect_input       = FALSE;
 604 BOOL    dkim_disable_verify      = FALSE;
 605 #endif
 606 #ifdef EXPERIMENTAL_DMARC
 607 BOOL    dmarc_has_been_checked  = FALSE;
 608 uschar *dmarc_ar_header         = NULL;
 609 uschar *dmarc_domain_policy     = NULL;
 610 uschar *dmarc_forensic_sender   = NULL;
 611 uschar *dmarc_history_file      = NULL;
 612 uschar *dmarc_status            = NULL;
 613 uschar *dmarc_status_text       = NULL;
 614 uschar *dmarc_tld_file          = NULL;
 615 uschar *dmarc_used_domain       = NULL;
 616 BOOL    dmarc_disable_verify    = FALSE;
 617 BOOL    dmarc_enable_forensic   = FALSE;
 618 #endif
 619
 620 uschar *dns_again_means_nonexist = NULL;
 621 int     dns_csa_search_limit   = 5;
 622 BOOL    dns_csa_use_reverse    = TRUE;
 623 uschar *dns_ipv4_lookup        = NULL;
 624 int     dns_retrans            = 0;
 625 int     dns_retry              = 0;
 626 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 627 int     dns_use_edns0          = -1; /* <0 = not coerced */
 628 uschar *dnslist_domain         = NULL;
 629 uschar *dnslist_matched        = NULL;
 630 uschar *dnslist_text           = NULL;
 631 uschar *dnslist_value          = NULL;
 632 tree_node *domainlist_anchor   = NULL;
 633 int     domainlist_count       = 0;
 634 BOOL    dont_deliver           = FALSE;
 635 BOOL    dot_ends               = TRUE;
 636 BOOL    drop_cr                = FALSE;         /* No longer used */
 637 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 638
 639 BOOL    enable_dollar_recipients = FALSE;
 640 BOOL    envelope_to_remove     = TRUE;
 641 int     errno_quota            = ERRNO_QUOTA;
 642 uschar *errors_copy            = NULL;
 643 int     error_handling         = ERRORS_SENDER;
 644 uschar *errors_reply_to        = NULL;
 645 int     errors_sender_rc       = EXIT_FAILURE;
 646
 647 gid_t   exim_gid               = EXIM_GID;
 648 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 649 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 650                         "\0<---------------Space to patch exim_path->";
 651 uid_t   exim_uid               = EXIM_UID;
 652 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 653 int     expand_forbid          = 0;
 654 int     expand_nlength[EXPAND_MAXN+1];
 655 int     expand_nmax            = -1;
 656 uschar *expand_nstring[EXPAND_MAXN+1];
 657 BOOL    expand_string_forcedfail = FALSE;
 658 uschar *expand_string_message;
 659 BOOL    extract_addresses_remove_arguments = TRUE;
 660 uschar *extra_local_interfaces = NULL;
 661
 662 int     fake_response          = OK;
 663 uschar *fake_response_text     = US"Your message has been rejected but is "
 664                                    "being kept for evaluation.\nIf it was a "
 665                                    "legitimate message, it may still be "
 666                                    "delivered to the target recipient(s).";
 667 int     filter_n[FILTER_VARIABLE_COUNT];
 668 BOOL    filter_running         = FALSE;
 669 int     filter_sn[FILTER_VARIABLE_COUNT];
 670 int     filter_test            = FTEST_NONE;
 671 uschar *filter_test_sfile      = NULL;
 672 uschar *filter_test_ufile      = NULL;
 673 uschar *filter_thisaddress     = NULL;
 674 int     finduser_retries       = 0;
 675 #ifdef WITH_OLD_DEMIME
 676 uschar *found_extension        = NULL;
 677 #endif
 678 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 679 uschar *freeze_tell            = NULL;
 680 uschar *freeze_tell_config     = NULL;
 681 uschar *fudged_queue_times     = US"";
 682
 683 uschar *gecos_name             = NULL;
 684 uschar *gecos_pattern          = NULL;
 685 rewrite_rule  *global_rewrite_rules = NULL;
 686
 687 uschar *headers_charset        = US HEADERS_CHARSET;
 688 int     header_insert_maxlen   = 64 * 1024;
 689 header_line  *header_last      = NULL;
 690 header_line  *header_list      = NULL;
 691 int     header_maxsize         = HEADER_MAXSIZE;
 692 int     header_line_maxsize    = 0;
 693
 694 header_name header_names[] = {
 695   { US"bcc",            3, TRUE,  htype_bcc },
 696   { US"cc",             2, TRUE,  htype_cc },
 697   { US"date",           4, TRUE,  htype_date },
 698   { US"delivery-date", 13, FALSE, htype_delivery_date },
 699   { US"envelope-to",   11, FALSE, htype_envelope_to },
 700   { US"from",           4, TRUE,  htype_from },
 701   { US"message-id",    10, TRUE,  htype_id },
 702   { US"received",       8, FALSE, htype_received },
 703   { US"reply-to",       8, FALSE, htype_reply_to },
 704   { US"return-path",   11, FALSE, htype_return_path },
 705   { US"sender",         6, TRUE,  htype_sender },
 706   { US"subject",        7, FALSE, htype_subject },
 707   { US"to",             2, TRUE,  htype_to }
 708 };
 709
 710 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 711
 712 BOOL    header_rewritten       = FALSE;
 713 uschar *helo_accept_junk_hosts = NULL;
 714 uschar *helo_allow_chars       = US"";
 715 uschar *helo_lookup_domains    = US"@ : @[]";
 716 uschar *helo_try_verify_hosts  = NULL;
 717 BOOL    helo_verified          = FALSE;
 718 BOOL    helo_verify_failed     = FALSE;
 719 uschar *helo_verify_hosts      = NULL;
 720 const uschar *hex_digits       = CUS"0123456789abcdef";
 721 uschar *hold_domains           = NULL;
 722 BOOL    host_checking          = FALSE;
 723 BOOL    host_checking_callout  = FALSE;
 724 uschar *host_data              = NULL;
 725 BOOL    host_find_failed_syntax= FALSE;
 726 uschar *host_lookup            = NULL;
 727 BOOL    host_lookup_deferred   = FALSE;
 728 BOOL    host_lookup_failed     = FALSE;
 729 uschar *host_lookup_order      = US"bydns:byaddr";
 730 uschar *host_lookup_msg        = US"";
 731 int     host_number            = 0;
 732 uschar *host_number_string     = NULL;
 733 uschar *host_reject_connection = NULL;
 734 tree_node *hostlist_anchor     = NULL;
 735 int     hostlist_count         = 0;
 736 uschar *hosts_treat_as_local   = NULL;
 737 uschar *hosts_connection_nolog = NULL;
 738
 739 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 740 BOOL    ignore_fromline_local  = FALSE;
 741 uschar *ignore_fromline_hosts  = NULL;
 742 BOOL    inetd_wait_mode        = FALSE;
 743 int     inetd_wait_timeout     = -1;
 744 uschar *interface_address      = NULL;
 745 int     interface_port         = -1;
 746 BOOL    is_inetd               = FALSE;
 747 uschar *iterate_item           = NULL;
 748
 749 int     journal_fd             = -1;
 750
 751 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 752
 753 uschar *eldap_dn               = NULL;
 754 int     load_average           = -2;
 755 BOOL    local_error_message    = FALSE;
 756 BOOL    local_from_check       = TRUE;
 757 uschar *local_from_prefix      = NULL;
 758 uschar *local_from_suffix      = NULL;
 759
 760 #if HAVE_IPV6
 761 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 762 #else
 763 uschar *local_interfaces       = US"0.0.0.0";
 764 #endif
 765
 766 uschar *local_scan_data        = NULL;
 767 int     local_scan_timeout     = 5*60;
 768 BOOL    local_sender_retain    = FALSE;
 769 gid_t   local_user_gid         = (gid_t)(-1);
 770 uid_t   local_user_uid         = (uid_t)(-1);
 771
 772 tree_node *localpartlist_anchor= NULL;
 773 int     localpartlist_count    = 0;
 774 uschar *log_buffer             = NULL;
 775 unsigned int log_extra_selector = LX_default;
 776 uschar *log_file_path          = US LOG_FILE_PATH
 777                            "\0<--------------Space to patch log_file_path->";
 778
 779 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 780 are the ones that get put into log_write_selector. They can be used in calls to
 781 log_write() to test for the bit. The options with LX_xxx identifiers have
 782 values greater than 0x80000000 and are put into log_extra_selector (without the
 783 top bit). They are never used in calls to log_write(), but are tested
 784 independently. This separation became necessary when the number of log
 785 selectors was getting close to filling a 32-bit word. */
 786
 787 /* Note that this list must be in alphabetical order. */
 788
 789 bit_table log_options[]        = {
 790   { US"8bitmime",                     LX_8bitmime },
 791   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 792   { US"address_rewrite",              L_address_rewrite },
 793   { US"all",                          L_all },
 794   { US"all_parents",                  L_all_parents },
 795   { US"arguments",                    LX_arguments },
 796   { US"connection_reject",            L_connection_reject },
 797   { US"delay_delivery",               L_delay_delivery },
 798   { US"deliver_time",                 LX_deliver_time },
 799   { US"delivery_size",                LX_delivery_size },
 800   { US"dnslist_defer",                L_dnslist_defer },
 801   { US"etrn",                         L_etrn },
 802   { US"host_lookup_failed",           L_host_lookup_failed },
 803   { US"ident_timeout",                LX_ident_timeout },
 804   { US"incoming_interface",           LX_incoming_interface },
 805   { US"incoming_port",                LX_incoming_port },
 806   { US"lost_incoming_connection",     L_lost_incoming_connection },
 807   { US"outgoing_port",                LX_outgoing_port },
 808   { US"pid",                          LX_pid },
 809 #ifdef EXPERIMENTAL_PROXY
 810   { US"proxy",                        LX_proxy },
 811 #endif
 812   { US"queue_run",                    L_queue_run },
 813   { US"queue_time",                   LX_queue_time },
 814   { US"queue_time_overall",           LX_queue_time_overall },
 815   { US"received_recipients",          LX_received_recipients },
 816   { US"received_sender",              LX_received_sender },
 817   { US"rejected_header",              LX_rejected_header },
 818   { US"rejected_headers",             LX_rejected_header },
 819   { US"retry_defer",                  L_retry_defer },
 820   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 821   { US"sender_on_delivery",           LX_sender_on_delivery },
 822   { US"sender_verify_fail",           LX_sender_verify_fail },
 823   { US"size_reject",                  L_size_reject },
 824   { US"skip_delivery",                L_skip_delivery },
 825   { US"smtp_confirmation",            LX_smtp_confirmation },
 826   { US"smtp_connection",              L_smtp_connection },
 827   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 828   { US"smtp_mailauth",                LX_smtp_mailauth },
 829   { US"smtp_no_mail",                 LX_smtp_no_mail },
 830   { US"smtp_protocol_error",          L_smtp_protocol_error },
 831   { US"smtp_syntax_error",            L_smtp_syntax_error },
 832   { US"subject",                      LX_subject },
 833   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 834   { US"tls_cipher",                   LX_tls_cipher },
 835   { US"tls_peerdn",                   LX_tls_peerdn },
 836   { US"tls_sni",                      LX_tls_sni },
 837   { US"unknown_in_list",              LX_unknown_in_list }
 838 };
 839
 840 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 841 int     log_reject_target      = 0;
 842 uschar *log_selector_string    = NULL;
 843 FILE   *log_stderr             = NULL;
 844 BOOL    log_testing_mode       = FALSE;
 845 BOOL    log_timezone           = FALSE;
 846 unsigned int log_write_selector= L_default;
 847 uschar *login_sender_address   = NULL;
 848 uschar *lookup_dnssec_authenticated = NULL;
 849 int     lookup_open_max        = 25;
 850 uschar *lookup_value           = NULL;
 851
 852 macro_item  *macros            = NULL;
 853 uschar *mailstore_basename     = NULL;
 854 #ifdef WITH_CONTENT_SCAN
 855 uschar *malware_name           = NULL;  /* Virus Name */
 856 #endif
 857 int     max_received_linelength= 0;
 858 int     max_username_length    = 0;
 859 int     message_age            = 0;
 860 uschar *message_body           = NULL;
 861 uschar *message_body_end       = NULL;
 862 BOOL    message_body_newlines  = FALSE;
 863 int     message_body_size      = 0;
 864 int     message_body_visible   = 500;
 865 int     message_ended          = END_NOTSTARTED;
 866 uschar *message_headers        = NULL;
 867 uschar *message_id;
 868 uschar *message_id_domain      = NULL;
 869 uschar *message_id_text        = NULL;
 870 struct timeval message_id_tv   = { 0, 0 };
 871 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 872 uschar *message_id_external;
 873 int     message_linecount      = 0;
 874 BOOL    message_logs           = TRUE;
 875 int     message_size           = 0;
 876 uschar *message_size_limit     = US"50M";
 877 uschar  message_subdir[2]      = { 0, 0 };
 878 uschar *message_reference      = NULL;
 879
 880 /* MIME ACL expandables */
 881 #ifdef WITH_CONTENT_SCAN
 882 int     mime_anomaly_level     = 0;
 883 const uschar *mime_anomaly_text      = NULL;
 884 uschar *mime_boundary          = NULL;
 885 uschar *mime_charset           = NULL;
 886 uschar *mime_content_description = NULL;
 887 uschar *mime_content_disposition = NULL;
 888 uschar *mime_content_id        = NULL;
 889 unsigned int mime_content_size = 0;
 890 uschar *mime_content_transfer_encoding = NULL;
 891 uschar *mime_content_type      = NULL;
 892 uschar *mime_decoded_filename  = NULL;
 893 uschar *mime_filename          = NULL;
 894 int     mime_is_multipart      = 0;
 895 int     mime_is_coverletter    = 0;
 896 int     mime_is_rfc822         = 0;
 897 int     mime_part_count        = -1;
 898 #endif
 899
 900 BOOL    mua_wrapper            = FALSE;
 901
 902 uid_t  *never_users            = NULL;
 903 #ifdef WITH_CONTENT_SCAN
 904 BOOL    no_mbox_unspool        = FALSE;
 905 #endif
 906 BOOL    no_multiline_responses = FALSE;
 907
 908 uid_t   original_euid;
 909 gid_t   originator_gid;
 910 uschar *originator_login       = NULL;
 911 uschar *originator_name        = NULL;
 912 uid_t   originator_uid;
 913 uschar *override_local_interfaces = NULL;
 914 uschar *override_pid_file_path = NULL;
 915
 916 BOOL    parse_allow_group      = FALSE;
 917 BOOL    parse_found_group      = FALSE;
 918 uschar *percent_hack_domains   = NULL;
 919 uschar *pid_file_path          = US PID_FILE_PATH
 920                            "\0<--------------Space to patch pid_file_path->";
 921 BOOL    pipelining_enable      = TRUE;
 922 uschar *pipelining_advertise_hosts = US"*";
 923 BOOL    preserve_message_logs  = FALSE;
 924 uschar *primary_hostname       = NULL;
 925 BOOL    print_topbitchars      = FALSE;
 926 uschar  process_info[PROCESS_INFO_SIZE];
 927 int     process_info_len       = 0;
 928 uschar *process_log_path       = NULL;
 929 BOOL    prod_requires_admin    = TRUE;
 930
 931 #ifdef EXPERIMENTAL_PROXY
 932 uschar *proxy_host_address     = US"";
 933 int     proxy_host_port        = 0;
 934 uschar *proxy_required_hosts   = US"";
 935 BOOL    proxy_session          = FALSE;
 936 BOOL    proxy_session_failed   = FALSE;
 937 uschar *proxy_target_address   = US"";
 938 int     proxy_target_port      = 0;
 939 #endif
 940
 941 uschar *prvscheck_address      = NULL;
 942 uschar *prvscheck_keynum       = NULL;
 943 uschar *prvscheck_result       = NULL;
 944
 945
 946 uschar *qualify_domain_recipient = NULL;
 947 uschar *qualify_domain_sender  = NULL;
 948 BOOL    queue_2stage           = FALSE;
 949 uschar *queue_domains          = NULL;
 950 int     queue_interval         = -1;
 951 BOOL    queue_list_requires_admin = TRUE;
 952 BOOL    queue_only             = FALSE;
 953 uschar *queue_only_file        = NULL;
 954 int     queue_only_load        = -1;
 955 BOOL    queue_only_load_latch  = TRUE;
 956 BOOL    queue_only_override    = TRUE;
 957 BOOL    queue_only_policy      = FALSE;
 958 BOOL    queue_run_first_delivery = FALSE;
 959 BOOL    queue_run_force        = FALSE;
 960 BOOL    queue_run_in_order     = FALSE;
 961 BOOL    queue_run_local        = FALSE;
 962 int     queue_run_max          = 5;
 963 pid_t   queue_run_pid          = (pid_t)0;
 964 int     queue_run_pipe         = -1;
 965 BOOL    queue_running          = FALSE;
 966 BOOL    queue_smtp             = FALSE;
 967 uschar *queue_smtp_domains     = NULL;
 968
 969 unsigned int random_seed       = 0;
 970 tree_node *ratelimiters_cmd    = NULL;
 971 tree_node *ratelimiters_conn   = NULL;
 972 tree_node *ratelimiters_mail   = NULL;
 973 uschar *raw_active_hostname    = NULL;
 974 uschar *raw_sender             = NULL;
 975 uschar **raw_recipients        = NULL;
 976 int     raw_recipients_count   = 0;
 977
 978 int     rcpt_count             = 0;
 979 int     rcpt_fail_count        = 0;
 980 int     rcpt_defer_count       = 0;
 981 gid_t   real_gid;
 982 uid_t   real_uid;
 983 BOOL    really_exim            = TRUE;
 984 BOOL    receive_call_bombout   = FALSE;
 985 int     receive_linecount      = 0;
 986 int     receive_messagecount   = 0;
 987 int     receive_timeout        = 0;
 988 int     received_count         = 0;
 989 uschar *received_for           = NULL;
 990
 991 /*  This is the default text for Received headers generated by Exim. The
 992 date  will be automatically added on the end. */
 993
 994 uschar *received_header_text   = US
 995      "Received: "
 996      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 997      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 998      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 999      "by $primary_hostname "
1000      "${if def:received_protocol {with $received_protocol}} "
1001      #ifdef SUPPORT_TLS
1002      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1003      #endif
1004      "(Exim $version_number)\n\t"
1005      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1006      "id $message_exim_id"
1007      "${if def:received_for {\n\tfor $received_for}}"
1008      "\0<---------------Space to patch received_header_text->";
1009
1010 int     received_headers_max   = 30;
1011 uschar *received_protocol      = NULL;
1012 int     received_time          = 0;
1013 uschar *recipient_data         = NULL;
1014 uschar *recipient_unqualified_hosts = NULL;
1015 uschar *recipient_verify_failure = NULL;
1016 int     recipients_count       = 0;
1017 BOOL    recipients_discarded   = FALSE;
1018 recipient_item  *recipients_list = NULL;
1019 int     recipients_list_max    = 0;
1020 int     recipients_max         = 0;
1021 BOOL    recipients_max_reject  = FALSE;
1022 const pcre *regex_AUTH         = NULL;
1023 const pcre *regex_check_dns_names = NULL;
1024 const pcre *regex_From         = NULL;
1025 const pcre *regex_IGNOREQUOTA  = NULL;
1026 const pcre *regex_PIPELINING   = NULL;
1027 const pcre *regex_SIZE         = NULL;
1028 const pcre *regex_smtp_code    = NULL;
1029 const pcre *regex_ismsgid      = NULL;
1030 #ifdef WHITELIST_D_MACROS
1031 const pcre *regex_whitelisted_macro = NULL;
1032 #endif
1033 #ifdef WITH_CONTENT_SCAN
1034 uschar *regex_match_string     = NULL;
1035 #endif
1036 int     remote_delivery_count  = 0;
1037 int     remote_max_parallel    = 2;
1038 uschar *remote_sort_domains    = NULL;
1039 int     retry_data_expire      = 7*24*60*60;
1040 int     retry_interval_max     = 24*60*60;
1041 int     retry_maximum_timeout  = 0;        /* set from retry config */
1042 retry_config  *retries         = NULL;
1043 uschar *return_path            = NULL;
1044 BOOL    return_path_remove     = TRUE;
1045 int     rewrite_existflags     = 0;
1046 uschar *rfc1413_hosts          = US"*";
1047 int     rfc1413_query_timeout  = 5;
1048 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1049 uid_t   root_gid               = ROOT_GID;
1050 uid_t   root_uid               = ROOT_UID;
1051
1052 router_instance  *routers  = NULL;
1053 router_instance  router_defaults = {
1054     NULL,                      /* chain pointer */
1055     NULL,                      /* name */
1056     NULL,                      /* info */
1057     NULL,                      /* private options block pointer */
1058     NULL,                      /* driver name */
1059
1060     NULL,                      /* address_data */
1061 #ifdef EXPERIMENTAL_BRIGHTMAIL
1062     NULL,                      /* bmi_rule */
1063 #endif
1064     NULL,                      /* cannot_route_message */
1065     NULL,                      /* condition */
1066     NULL,                      /* current_directory */
1067     NULL,                      /* debug_string */
1068     NULL,                      /* domains */
1069     NULL,                      /* errors_to */
1070     NULL,                      /* expand_gid */
1071     NULL,                      /* expand_uid */
1072     NULL,                      /* expand_more */
1073     NULL,                      /* expand_unseen */
1074     NULL,                      /* extra_headers */
1075     NULL,                      /* fallback_hosts */
1076     NULL,                      /* home_directory */
1077     NULL,                      /* ignore_target_hosts */
1078     NULL,                      /* local_parts */
1079     NULL,                      /* pass_router_name */
1080     NULL,                      /* prefix */
1081     NULL,                      /* redirect_router_name */
1082     NULL,                      /* remove_headers */
1083     NULL,                      /* require_files */
1084     NULL,                      /* router_home_directory */
1085     US"freeze",                /* self */
1086     NULL,                      /* senders */
1087     NULL,                      /* suffix */
1088     NULL,                      /* translate_ip_address */
1089     NULL,                      /* transport_name */
1090
1091     TRUE,                      /* address_test */
1092 #ifdef EXPERIMENTAL_BRIGHTMAIL
1093     FALSE,                     /* bmi_deliver_alternate */
1094     FALSE,                     /* bmi_deliver_default */
1095     FALSE,                     /* bmi_dont_deliver */
1096 #endif
1097     TRUE,                      /* expn */
1098     FALSE,                     /* caseful_local_part */
1099     FALSE,                     /* check_local_user */
1100     FALSE,                     /* disable_logging */
1101     FALSE,                     /* fail_verify_recipient */
1102     FALSE,                     /* fail_verify_sender */
1103     FALSE,                     /* gid_set */
1104     FALSE,                     /* initgroups */
1105     TRUE_UNSET,                /* log_as_local */
1106     TRUE,                      /* more */
1107     FALSE,                     /* pass_on_timeout */
1108     FALSE,                     /* prefix_optional */
1109     TRUE,                      /* repeat_use */
1110     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1111     FALSE,                     /* same_domain_copy_routing */
1112     FALSE,                     /* self_rewrite */
1113     FALSE,                     /* suffix_optional */
1114     FALSE,                     /* verify_only */
1115     TRUE,                      /* verify_recipient */
1116     TRUE,                      /* verify_sender */
1117     FALSE,                     /* uid_set */
1118     FALSE,                     /* unseen */
1119
1120     self_freeze,               /* self_code */
1121     (uid_t)(-1),               /* uid */
1122     (gid_t)(-1),               /* gid */
1123
1124     NULL,                      /* fallback_hostlist */
1125     NULL,                      /* transport instance */
1126     NULL,                      /* pass_router */
1127     NULL                       /* redirect_router */
1128 };
1129
1130 uschar *router_name            = NULL;
1131
1132 ip_address_item *running_interfaces = NULL;
1133 BOOL    running_in_test_harness = FALSE;
1134
1135 /* This is a weird one. The following string gets patched in the binary by the
1136 script that sets up a copy of Exim for running in the test harness. It seems
1137 that compilers are now clever, and share constant strings if they can.
1138 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1139 make use of the end of this string in order to save space. So the patching then
1140 wrecks this. We defeat this optimization by adding some additional characters
1141 onto the end of the string. */
1142
1143 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1144
1145 int     runrc                  = 0;
1146
1147 uschar *search_error_message   = NULL;
1148 BOOL    search_find_defer      = FALSE;
1149 uschar *self_hostname          = NULL;
1150 uschar *sender_address         = NULL;
1151 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1152 uschar *sender_address_data    = NULL;
1153 BOOL    sender_address_forced  = FALSE;
1154 uschar *sender_address_unrewritten = NULL;
1155 uschar *sender_data            = NULL;
1156 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1157 uschar *sender_fullhost        = NULL;
1158 uschar *sender_helo_name       = NULL;
1159 uschar **sender_host_aliases   = &no_aliases;
1160 uschar *sender_host_address    = NULL;
1161 uschar *sender_host_authenticated = NULL;
1162 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1163 BOOL    sender_host_dnssec     = FALSE;
1164 uschar *sender_host_name       = NULL;
1165 int     sender_host_port       = 0;
1166 BOOL    sender_host_notsocket  = FALSE;
1167 BOOL    sender_host_unknown    = FALSE;
1168 uschar *sender_ident           = NULL;
1169 BOOL    sender_local           = FALSE;
1170 BOOL    sender_name_forced     = FALSE;
1171 uschar *sender_rate            = NULL;
1172 uschar *sender_rate_limit      = NULL;
1173 uschar *sender_rate_period     = NULL;
1174 uschar *sender_rcvhost         = NULL;
1175 BOOL    sender_set_untrusted   = FALSE;
1176 uschar *sender_unqualified_hosts = NULL;
1177 uschar *sender_verify_failure = NULL;
1178 address_item *sender_verified_list  = NULL;
1179 address_item *sender_verified_failed = NULL;
1180 int     sender_verified_rc     = -1;
1181 BOOL    sender_verified_responded = FALSE;
1182 uschar *sending_ip_address     = NULL;
1183 int     sending_port           = -1;
1184 SIGNAL_BOOL sigalrm_seen       = FALSE;
1185 uschar **sighup_argv           = NULL;
1186 int     smtp_accept_count      = 0;
1187 BOOL    smtp_accept_keepalive  = TRUE;
1188 int     smtp_accept_max        = 20;
1189 int     smtp_accept_max_nonmail= 10;
1190 uschar *smtp_accept_max_nonmail_hosts = US"*";
1191 int     smtp_accept_max_per_connection = 1000;
1192 uschar *smtp_accept_max_per_host = NULL;
1193 int     smtp_accept_queue      = 0;
1194 int     smtp_accept_queue_per_connection = 10;
1195 int     smtp_accept_reserve    = 0;
1196 uschar *smtp_active_hostname   = NULL;
1197 BOOL    smtp_authenticated     = FALSE;
1198 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1199                              "Exim $version_number $tod_full"
1200                              "\0<---------------Space to patch smtp_banner->";
1201 BOOL    smtp_batched_input     = FALSE;
1202 BOOL    smtp_check_spool_space = TRUE;
1203 int     smtp_ch_index          = 0;
1204 uschar *smtp_cmd_argument      = NULL;
1205 uschar *smtp_cmd_buffer        = NULL;
1206 time_t  smtp_connection_start  = 0;
1207 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1208 int     smtp_connect_backlog   = 20;
1209 double  smtp_delay_mail        = 0.0;
1210 double  smtp_delay_rcpt        = 0.0;
1211 BOOL    smtp_enforce_sync      = TRUE;
1212 FILE   *smtp_in                = NULL;
1213 BOOL    smtp_input             = FALSE;
1214 int     smtp_load_reserve      = -1;
1215 int     smtp_mailcmd_count     = 0;
1216 FILE   *smtp_out               = NULL;
1217 uschar *smtp_etrn_command      = NULL;
1218 BOOL    smtp_etrn_serialize    = TRUE;
1219 int     smtp_max_synprot_errors= 3;
1220 int     smtp_max_unknown_commands = 3;
1221 uschar *smtp_notquit_reason    = NULL;
1222 uschar *smtp_ratelimit_hosts   = NULL;
1223 uschar *smtp_ratelimit_mail    = NULL;
1224 uschar *smtp_ratelimit_rcpt    = NULL;
1225 uschar *smtp_read_error        = US"";
1226 int     smtp_receive_timeout   = 5*60;
1227 uschar *smtp_reserve_hosts     = NULL;
1228 BOOL    smtp_return_error_details = FALSE;
1229 int     smtp_rlm_base          = 0;
1230 double  smtp_rlm_factor        = 0.0;
1231 int     smtp_rlm_limit         = 0;
1232 int     smtp_rlm_threshold     = INT_MAX;
1233 int     smtp_rlr_base          = 0;
1234 double  smtp_rlr_factor        = 0.0;
1235 int     smtp_rlr_limit         = 0;
1236 int     smtp_rlr_threshold     = INT_MAX;
1237 BOOL    smtp_use_pipelining    = FALSE;
1238 BOOL    smtp_use_size          = FALSE;
1239
1240 #ifdef WITH_CONTENT_SCAN
1241 uschar *spamd_address          = US"127.0.0.1 783";
1242 uschar *spam_bar               = NULL;
1243 uschar *spam_report            = NULL;
1244 uschar *spam_score             = NULL;
1245 uschar *spam_score_int         = NULL;
1246 #endif
1247 #ifdef EXPERIMENTAL_SPF
1248 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1249 uschar *spf_header_comment     = NULL;
1250 uschar *spf_received           = NULL;
1251 uschar *spf_result             = NULL;
1252 uschar *spf_smtp_comment       = NULL;
1253 #endif
1254
1255 BOOL    split_spool_directory  = FALSE;
1256 uschar *spool_directory        = US SPOOL_DIRECTORY
1257                            "\0<--------------Space to patch spool_directory->";
1258 #ifdef EXPERIMENTAL_SRS
1259 uschar *srs_config             = NULL;
1260 uschar *srs_db_address         = NULL;
1261 uschar *srs_db_key             = NULL;
1262 int     srs_hashlength         = 6;
1263 int     srs_hashmin            = -1;
1264 int     srs_maxage             = 31;
1265 uschar *srs_orig_recipient     = NULL;
1266 uschar *srs_orig_sender        = NULL;
1267 uschar *srs_recipient          = NULL;
1268 uschar *srs_secrets            = NULL;
1269 uschar *srs_status             = NULL;
1270 BOOL    srs_usehash            = TRUE;
1271 BOOL    srs_usetimestamp       = TRUE;
1272 #endif
1273 BOOL    strict_acl_vars        = FALSE;
1274 int     string_datestamp_offset= -1;
1275 int     string_datestamp_length= 0;
1276 int     string_datestamp_type  = -1;
1277 BOOL    strip_excess_angle_brackets = FALSE;
1278 BOOL    strip_trailing_dot     = FALSE;
1279 uschar *submission_domain      = NULL;
1280 BOOL    submission_mode        = FALSE;
1281 uschar *submission_name        = NULL;
1282 BOOL    suppress_local_fixups  = FALSE;
1283 BOOL    suppress_local_fixups_default = FALSE;
1284 BOOL    synchronous_delivery   = FALSE;
1285 BOOL    syslog_duplication     = TRUE;
1286 int     syslog_facility        = LOG_MAIL;
1287 uschar *syslog_processname     = US"exim";
1288 BOOL    syslog_timestamp       = TRUE;
1289 uschar *system_filter          = NULL;
1290
1291 uschar *system_filter_directory_transport = NULL;
1292 uschar *system_filter_file_transport = NULL;
1293 uschar *system_filter_pipe_transport = NULL;
1294 uschar *system_filter_reply_transport = NULL;
1295
1296 gid_t   system_filter_gid      = 0;
1297 BOOL    system_filter_gid_set  = FALSE;
1298 uid_t   system_filter_uid      = (uid_t)-1;
1299 BOOL    system_filter_uid_set  = FALSE;
1300 BOOL    system_filtering       = FALSE;
1301
1302 BOOL    tcp_nodelay            = TRUE;
1303 #ifdef USE_TCP_WRAPPERS
1304 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1305 #endif
1306 int     test_harness_load_avg  = 0;
1307 int     thismessage_size_limit = 0;
1308 int     timeout_frozen_after   = 0;
1309 BOOL    timestamps_utc         = FALSE;
1310
1311 #ifdef EXPERIMENTAL_TPDA
1312 int     tpda_defer_errno        = 0;
1313 uschar *tpda_defer_errstr       = NULL;
1314 uschar *tpda_delivery_ip        = NULL;
1315 int     tpda_delivery_port      = 0;
1316 uschar *tpda_delivery_fqdn      = NULL;
1317 uschar *tpda_delivery_local_part= NULL;
1318 uschar *tpda_delivery_domain    = NULL;
1319 uschar *tpda_delivery_confirmation = NULL;
1320 #endif
1321
1322 transport_instance  *transports = NULL;
1323
1324 transport_instance  transport_defaults = {
1325     NULL,                     /* chain pointer */
1326     NULL,                     /* name */
1327     NULL,                     /* info */
1328     NULL,                     /* private options block pointer */
1329     NULL,                     /* driver name */
1330     NULL,                     /* setup entry point */
1331     1,                        /* batch_max */
1332     NULL,                     /* batch_id */
1333     NULL,                     /* home_dir */
1334     NULL,                     /* current_dir */
1335     TRUE,                     /* multi-domain */
1336     FALSE,                    /* overrides_hosts */
1337     100,                      /* max_addresses */
1338     500,                      /* connection_max_messages */
1339     FALSE,                    /* deliver_as_creator */
1340     FALSE,                    /* disable_logging */
1341     FALSE,                    /* initgroups */
1342     FALSE,                    /* uid_set */
1343     FALSE,                    /* gid_set */
1344     (uid_t)(-1),              /* uid */
1345     (gid_t)(-1),              /* gid */
1346     NULL,                     /* expand_uid */
1347     NULL,                     /* expand_gid */
1348     NULL,                     /* warn_message */
1349     NULL,                     /* shadow */
1350     NULL,                     /* shadow_condition */
1351     NULL,                     /* filter_command */
1352     NULL,                     /* add_headers */
1353     NULL,                     /* remove_headers */
1354     NULL,                     /* return_path */
1355     NULL,                     /* debug_string */
1356     NULL,                     /* message_size_limit */
1357     NULL,                     /* headers_rewrite */
1358     NULL,                     /* rewrite_rules */
1359     0,                        /* rewrite_existflags */
1360     300,                      /* filter_timeout */
1361     FALSE,                    /* body_only */
1362     FALSE,                    /* delivery_date_add */
1363     FALSE,                    /* envelope_to_add */
1364     FALSE,                    /* headers_only */
1365     FALSE,                    /* rcpt_include_affixes */
1366     FALSE,                    /* return_path_add */
1367     FALSE,                    /* return_output */
1368     FALSE,                    /* return_fail_output */
1369     FALSE,                    /* log_output */
1370     FALSE,                    /* log_fail_output */
1371     FALSE,                    /* log_defer_output */
1372     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1373                                  1 nor 0 so can detect unset */
1374 };
1375
1376 int     transport_count;
1377 uschar *transport_name          = NULL;
1378 int     transport_newlines;
1379 uschar **transport_filter_argv  = NULL;
1380 int     transport_filter_timeout;
1381 BOOL    transport_filter_timed_out = FALSE;
1382 int     transport_write_timeout= 0;
1383
1384 tree_node  *tree_dns_fails     = NULL;
1385 tree_node  *tree_duplicates    = NULL;
1386 tree_node  *tree_nonrecipients = NULL;
1387 tree_node  *tree_unusable      = NULL;
1388
1389 BOOL    trusted_caller         = FALSE;
1390 BOOL    trusted_config         = TRUE;
1391 gid_t  *trusted_groups         = NULL;
1392 uid_t  *trusted_users          = NULL;
1393 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1394
1395 uschar *unknown_login          = NULL;
1396 uschar *unknown_username       = NULL;
1397 uschar *untrusted_set_sender   = NULL;
1398
1399 /*  A regex for matching a "From_" line in an incoming message, in the form
1400
1401     From ph10 Fri Jan  5 12:35 GMT 1996
1402
1403 which  the "mail" commands send to the MTA (undocumented, of course), or in
1404 the  form
1405
1406     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1407
1408 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1409 Because  of variations in time formats, just match up to the minutes. That
1410 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1411 so  just require one digit for hours and minutes. The weekday is also absent
1412 in  some forms. */
1413
1414 uschar *uucp_from_pattern      = US
1415    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1416    "(?:"                                          /* Non-extracting bracket */
1417    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1418    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1419    ")"                                            /* End alternation */
1420    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1421
1422 uschar *uucp_from_sender       = US"$1";
1423
1424 uschar *warn_message_file      = NULL;
1425 uschar *warnmsg_delay          = NULL;
1426 uschar *warnmsg_recipients     = NULL;
1427 BOOL    write_rejectlog        = TRUE;
1428
1429 uschar *version_copyright      =
1430  US"Copyright (c) University of Cambridge, 1995 - 2014\n"
1431    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2014";
1432 uschar *version_date           = US"?";
1433 uschar *version_cnumber        = US"????";
1434 uschar *version_string         = US"?";
1435
1436 int     warning_count          = 0;
1437
1438 /*  End of globals.c */