src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2012 */
   6 /* See the file NOTICE for conditions of use and distribution. */
   7
   8 /* All the global variables are defined together in this one module, so
   9 that they are easy to find. */
  10
  11 #include "exim.h"
  12
  13
  14 /* Generic options for auths, all of which live inside auth_instance
  15 data blocks and hence have the opt_public flag set. */
  16
  17 optionlist optionlist_auths[] = {
  18   { "client_condition", opt_stringptr | opt_public,
  19                  (void *)(offsetof(auth_instance, client_condition)) },
  20   { "client_set_id", opt_stringptr | opt_public,
  21                  (void *)(offsetof(auth_instance, set_client_id)) },
  22   { "driver",        opt_stringptr | opt_public,
  23                  (void *)(offsetof(auth_instance, driver_name)) },
  24   { "public_name",   opt_stringptr | opt_public,
  25                  (void *)(offsetof(auth_instance, public_name)) },
  26   { "server_advertise_condition", opt_stringptr | opt_public,
  27                  (void *)(offsetof(auth_instance, advertise_condition))},
  28   { "server_condition", opt_stringptr | opt_public,
  29                  (void *)(offsetof(auth_instance, server_condition)) },
  30   { "server_debug_print", opt_stringptr | opt_public,
  31                  (void *)(offsetof(auth_instance, server_debug_string)) },
  32   { "server_mail_auth_condition", opt_stringptr | opt_public,
  33                  (void *)(offsetof(auth_instance, mail_auth_condition)) },
  34   { "server_set_id", opt_stringptr | opt_public,
  35                  (void *)(offsetof(auth_instance, set_id)) }
  36 };
  37
  38 int     optionlist_auths_size = sizeof(optionlist_auths)/sizeof(optionlist);
  39
  40 /* An empty host aliases list. */
  41
  42 uschar *no_aliases             = NULL;
  43
  44
  45 /* For comments on these variables, see globals.h. I'm too idle to
  46 duplicate them here... */
  47
  48 #ifdef EXIM_PERL
  49 uschar *opt_perl_startup       = NULL;
  50 BOOL    opt_perl_at_start      = FALSE;
  51 BOOL    opt_perl_started       = FALSE;
  52 #endif
  53
  54 #ifdef EXPAND_DLFUNC
  55 tree_node *dlobj_anchor        = NULL;
  56 #endif
  57
  58 #ifdef LOOKUP_IBASE
  59 uschar *ibase_servers          = NULL;
  60 #endif
  61
  62 #ifdef LOOKUP_LDAP
  63 uschar *eldap_ca_cert_dir      = NULL;
  64 uschar *eldap_ca_cert_file     = NULL;
  65 uschar *eldap_cert_file        = NULL;
  66 uschar *eldap_cert_key         = NULL;
  67 uschar *eldap_cipher_suite     = NULL;
  68 uschar *eldap_default_servers  = NULL;
  69 uschar *eldap_require_cert     = NULL;
  70 int     eldap_version          = -1;
  71 BOOL    eldap_start_tls        = FALSE;
  72 #endif
  73
  74 #ifdef LOOKUP_MYSQL
  75 uschar *mysql_servers          = NULL;
  76 #endif
  77
  78 #ifdef LOOKUP_ORACLE
  79 uschar *oracle_servers         = NULL;
  80 #endif
  81
  82 #ifdef LOOKUP_PGSQL
  83 uschar *pgsql_servers          = NULL;
  84 #endif
  85
  86 #ifdef EXPERIMENTAL_REDIS
  87 uschar *redis_servers          = NULL;
  88 #endif
  89
  90 #ifdef LOOKUP_SQLITE
  91 int     sqlite_lock_timeout    = 5;
  92 #endif
  93
  94 #ifdef SUPPORT_MOVE_FROZEN_MESSAGES
  95 BOOL    move_frozen_messages   = FALSE;
  96 #endif
  97
  98 /* These variables are outside the #ifdef because it keeps the code less
  99 cluttered in several places (e.g. during logging) if we can always refer to
 100 them. Also, the tls_ variables are now always visible. */
 101
 102 tls_support tls_in = {
 103  -1,   /* tls_active */
 104  0,    /* tls_bits */
 105  FALSE,/* tls_certificate_verified */
 106  NULL, /* tls_cipher */
 107  FALSE,/* tls_on_connect */
 108  NULL, /* tls_on_connect_ports */
 109  NULL, /* tls_peerdn */
 110  NULL  /* tls_sni */
 111 };
 112 tls_support tls_out = {
 113  -1,   /* tls_active */
 114  0,    /* tls_bits */
 115  FALSE,/* tls_certificate_verified */
 116  NULL, /* tls_cipher */
 117  FALSE,/* tls_on_connect */
 118  NULL, /* tls_on_connect_ports */
 119  NULL, /* tls_peerdn */
 120  NULL  /* tls_sni */
 121 };
 122
 123
 124 #ifdef SUPPORT_TLS
 125 BOOL    gnutls_compat_mode     = FALSE;
 126 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 127 uschar *gnutls_require_mac     = NULL;
 128 uschar *gnutls_require_kx      = NULL;
 129 uschar *gnutls_require_proto   = NULL;
 130 uschar *openssl_options        = NULL;
 131 const pcre *regex_STARTTLS     = NULL;
 132 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 133 uschar *tls_certificate        = NULL;
 134 uschar *tls_crl                = NULL;
 135 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 136 that's the interop problem which has been observed: GnuTLS suggesting a higher
 137 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 138 int     tls_dh_max_bits        = 2236;
 139 uschar *tls_dhparam            = NULL;
 140 #if defined(EXPERIMENTAL_OCSP) && !defined(USE_GNUTLS)
 141 uschar *tls_ocsp_file          = NULL;
 142 #endif
 143 BOOL    tls_offered            = FALSE;
 144 uschar *tls_privatekey         = NULL;
 145 BOOL    tls_remember_esmtp     = FALSE;
 146 uschar *tls_require_ciphers    = NULL;
 147 uschar *tls_try_verify_hosts   = NULL;
 148 uschar *tls_verify_certificates= NULL;
 149 uschar *tls_verify_hosts       = NULL;
 150 #endif
 151
 152 #ifdef EXPERIMENTAL_PRDR
 153 /* Per Recipient Data Response variables */
 154 BOOL    prdr_enable            = FALSE;
 155 BOOL    prdr_requested         = FALSE;
 156 const pcre *regex_PRDR         = NULL;
 157 #endif
 158
 159 /* Input-reading functions for messages, so we can use special ones for
 160 incoming TCP/IP. The defaults use stdin. We never need these for any
 161 stand-alone tests. */
 162
 163 #ifndef STAND_ALONE
 164 int (*receive_getc)(void)      = stdin_getc;
 165 int (*receive_ungetc)(int)     = stdin_ungetc;
 166 int (*receive_feof)(void)      = stdin_feof;
 167 int (*receive_ferror)(void)    = stdin_ferror;
 168 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 169 #endif
 170
 171
 172 /* List of per-address expansion variables for clearing and saving/restoring
 173 when verifying one address while routing/verifying another. We have to have
 174 the size explicit, because it is referenced from more than one module. */
 175
 176 uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 177   &deliver_address_data,
 178   &deliver_domain,
 179   &deliver_domain_data,
 180   &deliver_domain_orig,
 181   &deliver_domain_parent,
 182   &deliver_localpart,
 183   &deliver_localpart_data,
 184   &deliver_localpart_orig,
 185   &deliver_localpart_parent,
 186   &deliver_localpart_prefix,
 187   &deliver_localpart_suffix,
 188   (uschar **)(&deliver_recipients),
 189   &deliver_host,
 190   &deliver_home,
 191   &address_file,
 192   &address_pipe,
 193   &self_hostname,
 194   NULL };
 195
 196 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 197
 198 /* General global variables */
 199
 200 header_line *acl_added_headers = NULL;
 201 tree_node *acl_anchor          = NULL;
 202 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 203                                   NULL, NULL, NULL, NULL};
 204 int     acl_narg               = 0;
 205
 206 uschar *acl_not_smtp           = NULL;
 207 #ifdef WITH_CONTENT_SCAN
 208 uschar *acl_not_smtp_mime      = NULL;
 209 #endif
 210 uschar *acl_not_smtp_start     = NULL;
 211 uschar *acl_removed_headers    = NULL;
 212 uschar *acl_smtp_auth          = NULL;
 213 uschar *acl_smtp_connect       = NULL;
 214 uschar *acl_smtp_data          = NULL;
 215 #ifdef EXPERIMENTAL_PRDR
 216 uschar *acl_smtp_data_prdr     = NULL;
 217 #endif
 218 #ifndef DISABLE_DKIM
 219 uschar *acl_smtp_dkim          = NULL;
 220 #endif
 221 uschar *acl_smtp_etrn          = NULL;
 222 uschar *acl_smtp_expn          = NULL;
 223 uschar *acl_smtp_helo          = NULL;
 224 uschar *acl_smtp_mail          = NULL;
 225 uschar *acl_smtp_mailauth      = NULL;
 226 #ifdef WITH_CONTENT_SCAN
 227 uschar *acl_smtp_mime          = NULL;
 228 #endif
 229 uschar *acl_smtp_notquit       = NULL;
 230 uschar *acl_smtp_predata       = NULL;
 231 uschar *acl_smtp_quit          = NULL;
 232 uschar *acl_smtp_rcpt          = NULL;
 233 uschar *acl_smtp_starttls      = NULL;
 234 uschar *acl_smtp_vrfy          = NULL;
 235
 236 BOOL    acl_temp_details       = FALSE;
 237 tree_node *acl_var_c           = NULL;
 238 tree_node *acl_var_m           = NULL;
 239 uschar *acl_verify_message     = NULL;
 240 string_item *acl_warn_logged   = NULL;
 241
 242 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 243 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 244
 245 uschar *acl_wherenames[]       = { US"RCPT",
 246                                    US"MAIL",
 247                                    US"PREDATA",
 248                                    US"MIME",
 249                                    US"DKIM",
 250                                    US"DATA",
 251 #ifdef EXPERIMENTAL_PRDR
 252                                    US"PRDR",
 253 #endif
 254                                    US"non-SMTP",
 255                                    US"AUTH",
 256                                    US"connection",
 257                                    US"ETRN",
 258                                    US"EXPN",
 259                                    US"EHLO or HELO",
 260                                    US"MAILAUTH",
 261                                    US"non-SMTP-start",
 262                                    US"NOTQUIT",
 263                                    US"QUIT",
 264                                    US"STARTTLS",
 265                                    US"VRFY",
 266                                    US"delivery",
 267                                    US"unknown"
 268                                  };
 269
 270 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 271                                    US"550",     /* MAIL */
 272                                    US"550",     /* PREDATA */
 273                                    US"550",     /* MIME */
 274                                    US"550",     /* DKIM */
 275                                    US"550",     /* DATA */
 276 #ifdef EXPERIMENTAL_PRDR
 277                                    US"550",    /* RCPT PRDR */
 278 #endif
 279                                    US"0",       /* not SMTP; not relevant */
 280                                    US"503",     /* AUTH */
 281                                    US"550",     /* connect */
 282                                    US"458",     /* ETRN */
 283                                    US"550",     /* EXPN */
 284                                    US"550",     /* HELO/EHLO */
 285                                    US"0",       /* MAILAUTH; not relevant */
 286                                    US"0",       /* not SMTP; not relevant */
 287                                    US"0",       /* NOTQUIT; not relevant */
 288                                    US"0",       /* QUIT; not relevant */
 289                                    US"550",     /* STARTTLS */
 290                                    US"252",     /* VRFY */
 291                                    US"0",       /* delivery; not relevant */
 292                                    US"0"        /* unknown; not relevant */
 293                                  };
 294
 295 BOOL    active_local_from_check = FALSE;
 296 BOOL    active_local_sender_retain = FALSE;
 297 int     body_8bitmime = 0;
 298 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 299 uschar *add_environment        = NULL;
 300 address_item  *addr_duplicate  = NULL;
 301
 302 address_item address_defaults = {
 303   NULL,                 /* next */
 304   NULL,                 /* parent */
 305   NULL,                 /* first */
 306   NULL,                 /* dupof */
 307   NULL,                 /* start_router */
 308   NULL,                 /* router */
 309   NULL,                 /* transport */
 310   NULL,                 /* host_list */
 311   NULL,                 /* host_used */
 312   NULL,                 /* fallback_hosts */
 313   NULL,                 /* reply */
 314   NULL,                 /* retries */
 315   NULL,                 /* address */
 316   NULL,                 /* unique */
 317   NULL,                 /* cc_local_part */
 318   NULL,                 /* lc_local_part */
 319   NULL,                 /* local_part */
 320   NULL,                 /* prefix */
 321   NULL,                 /* suffix */
 322   NULL,                 /* domain */
 323   NULL,                 /* address_retry_key */
 324   NULL,                 /* domain_retry_key */
 325   NULL,                 /* current_dir */
 326   NULL,                 /* home_dir */
 327   NULL,                 /* message */
 328   NULL,                 /* user_message */
 329   NULL,                 /* onetime_parent */
 330   NULL,                 /* pipe_expandn */
 331   NULL,                 /* return_filename */
 332   NULL,                 /* self_hostname */
 333   NULL,                 /* shadow_message */
 334   #ifdef SUPPORT_TLS
 335   NULL,                 /* cipher */
 336   NULL,                 /* peerdn */
 337   #endif
 338   NULL,                 /* authenticator */
 339   NULL,                 /* auth_id */
 340   NULL,                 /* auth_sndr */
 341   (uid_t)(-1),          /* uid */
 342   (gid_t)(-1),          /* gid */
 343   0,                    /* flags */
 344   { 0 },                /* domain_cache - any larger array should be zeroed */
 345   { 0 },                /* localpart_cache - ditto */
 346   -1,                   /* mode */
 347   0,                    /* more_errno */
 348   ERRNO_UNKNOWNERROR,   /* basic_errno */
 349   0,                    /* child_count */
 350   -1,                   /* return_file */
 351   SPECIAL_NONE,         /* special_action */
 352   DEFER,                /* transport_return */
 353   {                     /* fields that are propagated to children */
 354     NULL,               /* address_data */
 355     NULL,               /* domain_data */
 356     NULL,               /* localpart_data */
 357     NULL,               /* errors_address */
 358     NULL,               /* extra_headers */
 359     NULL,               /* remove_headers */
 360 #ifdef EXPERIMENTAL_SRS
 361     NULL,               /* srs_sender */
 362 #endif
 363   }
 364 };
 365
 366 uschar *address_file           = NULL;
 367 uschar *address_pipe           = NULL;
 368 BOOL    address_test_mode      = FALSE;
 369 tree_node *addresslist_anchor  = NULL;
 370 int     addresslist_count      = 0;
 371 gid_t  *admin_groups           = NULL;
 372 BOOL    admin_user             = FALSE;
 373 BOOL    allow_auth_unadvertised= FALSE;
 374 BOOL    allow_domain_literals  = FALSE;
 375 BOOL    allow_mx_to_ip         = FALSE;
 376 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 377 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 378 BOOL    allow_utf8_domains     = FALSE;
 379 uschar *authenticated_fail_id  = NULL;
 380 uschar *authenticated_id       = NULL;
 381 uschar *authenticated_sender   = NULL;
 382 BOOL    authentication_failed  = FALSE;
 383 auth_instance  *auths          = NULL;
 384 uschar *auth_advertise_hosts   = US"*";
 385 auth_instance auth_defaults    = {
 386     NULL,                      /* chain pointer */
 387     NULL,                      /* name */
 388     NULL,                      /* info */
 389     NULL,                      /* private options block pointer */
 390     NULL,                      /* driver_name */
 391     NULL,                      /* advertise_condition */
 392     NULL,                      /* client_condition */
 393     NULL,                      /* public_name */
 394     NULL,                      /* set_id */
 395     NULL,                      /* set_client_id */
 396     NULL,                      /* server_mail_auth_condition */
 397     NULL,                      /* server_debug_string */
 398     NULL,                      /* server_condition */
 399     FALSE,                     /* client */
 400     FALSE,                     /* server */
 401     FALSE                      /* advertised */
 402 };
 403
 404 uschar *auth_defer_msg         = US"reason not recorded";
 405 uschar *auth_defer_user_msg    = US"";
 406 uschar *auth_vars[AUTH_VARS];
 407 int     auto_thaw              = 0;
 408 #ifdef WITH_CONTENT_SCAN
 409 BOOL    av_failed              = FALSE;
 410 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 411 #endif
 412
 413 BOOL    background_daemon      = TRUE;
 414
 415 #if BASE_62 == 62
 416 uschar *base62_chars=
 417     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 418 #else
 419 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 420 #endif
 421
 422 uschar *bi_command             = NULL;
 423 uschar *big_buffer             = NULL;
 424 int     big_buffer_size        = BIG_BUFFER_SIZE;
 425 #ifdef EXPERIMENTAL_BRIGHTMAIL
 426 uschar *bmi_alt_location       = NULL;
 427 uschar *bmi_base64_tracker_verdict = NULL;
 428 uschar *bmi_base64_verdict     = NULL;
 429 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 430 int     bmi_deliver            = 1;
 431 int     bmi_run                = 0;
 432 uschar *bmi_verdicts           = NULL;
 433 #endif
 434 int     body_linecount         = 0;
 435 int     body_zerocount         = 0;
 436 uschar *bounce_message_file    = NULL;
 437 uschar *bounce_message_text    = NULL;
 438 uschar *bounce_recipient       = NULL;
 439 BOOL    bounce_return_body     = TRUE;
 440 BOOL    bounce_return_message  = TRUE;
 441 int     bounce_return_size_limit = 100*1024;
 442 uschar *bounce_sender_authentication = NULL;
 443 int     bsmtp_transaction_linecount = 0;
 444
 445 int     callout_cache_domain_positive_expire = 7*24*60*60;
 446 int     callout_cache_domain_negative_expire = 3*60*60;
 447 int     callout_cache_positive_expire = 24*60*60;
 448 int     callout_cache_negative_expire = 2*60*60;
 449 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 450 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 451 int     check_log_inodes       = 0;
 452 int     check_log_space        = 0;
 453 BOOL    check_rfc2047_length   = TRUE;
 454 int     check_spool_inodes     = 0;
 455 int     check_spool_space      = 0;
 456 uschar  *client_authenticator  = NULL;
 457 uschar  *client_authenticated_id = NULL;
 458 uschar  *client_authenticated_sender = NULL;
 459 int     clmacro_count          = 0;
 460 uschar *clmacros[MAX_CLMACROS];
 461 BOOL    config_changed         = FALSE;
 462 FILE   *config_file            = NULL;
 463 uschar *config_filename        = NULL;
 464 int     config_lineno          = 0;
 465 #ifdef CONFIGURE_GROUP
 466 gid_t   config_gid             = CONFIGURE_GROUP;
 467 #endif
 468 uschar *config_main_filelist   = US CONFIGURE_FILE
 469                          "\0<-----------Space to patch configure_filename->";
 470 uschar *config_main_filename   = NULL;
 471
 472 #ifdef CONFIGURE_OWNER
 473 uid_t   config_uid             = CONFIGURE_OWNER;
 474 #endif
 475
 476 int     connection_max_messages= -1;
 477 uschar *continue_hostname      = NULL;
 478 uschar *continue_host_address  = NULL;
 479 BOOL    continue_more          = FALSE;
 480 int     continue_sequence      = 1;
 481 uschar *continue_transport     = NULL;
 482
 483 uschar *csa_status             = NULL;
 484 BOOL    cutthrough_delivery    = FALSE;
 485 int     cutthrough_fd          = -1;
 486
 487 BOOL    daemon_listen          = FALSE;
 488 uschar *daemon_smtp_port       = US"smtp";
 489 int     daemon_startup_retries = 9;
 490 int     daemon_startup_sleep   = 30;
 491
 492 #ifdef EXPERIMENTAL_DCC
 493 BOOL    dcc_direct_add_header  = FALSE;
 494 uschar *dcc_header             = NULL;
 495 uschar *dcc_result             = NULL;
 496 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 497 uschar *dccifd_options         = US"header";
 498 #endif
 499
 500 BOOL    debug_daemon           = FALSE;
 501 int     debug_fd               = -1;
 502 FILE   *debug_file             = NULL;
 503 bit_table debug_options[]      = {
 504   { US"acl",            D_acl },
 505   { US"all",            D_all },
 506   { US"auth",           D_auth },
 507   { US"deliver",        D_deliver },
 508   { US"dns",            D_dns },
 509   { US"dnsbl",          D_dnsbl },
 510   { US"exec",           D_exec },
 511   { US"expand",         D_expand },
 512   { US"filter",         D_filter },
 513   { US"hints_lookup",   D_hints_lookup },
 514   { US"host_lookup",    D_host_lookup },
 515   { US"ident",          D_ident },
 516   { US"interface",      D_interface },
 517   { US"lists",          D_lists },
 518   { US"load",           D_load },
 519   { US"local_scan",     D_local_scan },
 520   { US"lookup",         D_lookup },
 521   { US"memory",         D_memory },
 522   { US"pid",            D_pid },
 523   { US"process_info",   D_process_info },
 524   { US"queue_run",      D_queue_run },
 525   { US"receive",        D_receive },
 526   { US"resolver",       D_resolver },
 527   { US"retry",          D_retry },
 528   { US"rewrite",        D_rewrite },
 529   { US"route",          D_route },
 530   { US"timestamp",      D_timestamp },
 531   { US"tls",            D_tls },
 532   { US"transport",      D_transport },
 533   { US"uid",            D_uid },
 534   { US"verify",         D_verify }
 535 };
 536 int     debug_options_count    = sizeof(debug_options)/sizeof(bit_table);
 537 unsigned int debug_selector    = 0;
 538 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 539 uschar *delay_warning_condition=
 540   US"${if or {"
 541             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 542             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 543             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 544             "} {no}{yes}}";
 545 BOOL    delivery_date_remove   = TRUE;
 546 uschar *deliver_address_data   = NULL;
 547 int     deliver_datafile       = -1;
 548 uschar *deliver_domain         = NULL;
 549 uschar *deliver_domain_data    = NULL;
 550 uschar *deliver_domain_orig    = NULL;
 551 uschar *deliver_domain_parent  = NULL;
 552 BOOL    deliver_drop_privilege = FALSE;
 553 BOOL    deliver_firsttime      = FALSE;
 554 BOOL    deliver_force          = FALSE;
 555 BOOL    deliver_freeze         = FALSE;
 556 int     deliver_frozen_at      = 0;
 557 uschar *deliver_home           = NULL;
 558 uschar *deliver_host           = NULL;
 559 uschar *deliver_host_address   = NULL;
 560 uschar *deliver_in_buffer      = NULL;
 561 ino_t   deliver_inode          = 0;
 562 uschar *deliver_localpart      = NULL;
 563 uschar *deliver_localpart_data = NULL;
 564 uschar *deliver_localpart_orig = NULL;
 565 uschar *deliver_localpart_parent = NULL;
 566 uschar *deliver_localpart_prefix = NULL;
 567 uschar *deliver_localpart_suffix = NULL;
 568 BOOL    deliver_force_thaw     = FALSE;
 569 BOOL    deliver_manual_thaw    = FALSE;
 570 uschar *deliver_out_buffer     = NULL;
 571 int     deliver_queue_load_max = -1;
 572 address_item  *deliver_recipients = NULL;
 573 uschar *deliver_selectstring   = NULL;
 574 BOOL    deliver_selectstring_regex = FALSE;
 575 uschar *deliver_selectstring_sender = NULL;
 576 BOOL    deliver_selectstring_sender_regex = FALSE;
 577 #ifdef WITH_OLD_DEMIME
 578 int     demime_errorlevel      = 0;
 579 int     demime_ok              = 0;
 580 uschar *demime_reason          = NULL;
 581 #endif
 582 BOOL    disable_callout_flush  = FALSE;
 583 BOOL    disable_delay_flush    = FALSE;
 584 #ifdef ENABLE_DISABLE_FSYNC
 585 BOOL    disable_fsync          = FALSE;
 586 #endif
 587 BOOL    disable_ipv6           = FALSE;
 588 BOOL    disable_logging        = FALSE;
 589
 590 #ifndef DISABLE_DKIM
 591 uschar *dkim_cur_signer          = NULL;
 592 uschar *dkim_signers             = NULL;
 593 uschar *dkim_signing_domain      = NULL;
 594 uschar *dkim_signing_selector    = NULL;
 595 uschar *dkim_verify_signers      = US"$dkim_signers";
 596 BOOL    dkim_collect_input       = FALSE;
 597 BOOL    dkim_disable_verify      = FALSE;
 598 #endif
 599 #ifdef EXPERIMENTAL_DMARC
 600 BOOL    dmarc_has_been_checked  = FALSE;
 601 uschar *dmarc_ar_header         = NULL;
 602 uschar *dmarc_forensic_sender   = NULL;
 603 uschar *dmarc_history_file      = NULL;
 604 uschar *dmarc_status            = NULL;
 605 uschar *dmarc_status_text       = NULL;
 606 uschar *dmarc_tld_file          = NULL;
 607 uschar *dmarc_used_domain       = NULL;
 608 BOOL    dmarc_disable_verify    = FALSE;
 609 BOOL    dmarc_enable_forensic   = FALSE;
 610 #endif
 611
 612 uschar *dns_again_means_nonexist = NULL;
 613 int     dns_csa_search_limit   = 5;
 614 BOOL    dns_csa_use_reverse    = TRUE;
 615 uschar *dns_ipv4_lookup        = NULL;
 616 int     dns_retrans            = 0;
 617 int     dns_retry              = 0;
 618 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 619 int     dns_use_edns0          = -1; /* <0 = not coerced */
 620 uschar *dnslist_domain         = NULL;
 621 uschar *dnslist_matched        = NULL;
 622 uschar *dnslist_text           = NULL;
 623 uschar *dnslist_value          = NULL;
 624 tree_node *domainlist_anchor   = NULL;
 625 int     domainlist_count       = 0;
 626 BOOL    dont_deliver           = FALSE;
 627 BOOL    dot_ends               = TRUE;
 628 BOOL    drop_cr                = FALSE;         /* No longer used */
 629 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 630
 631 BOOL    enable_dollar_recipients = FALSE;
 632 BOOL    envelope_to_remove     = TRUE;
 633 int     errno_quota            = ERRNO_QUOTA;
 634 uschar *errors_copy            = NULL;
 635 int     error_handling         = ERRORS_SENDER;
 636 uschar *errors_reply_to        = NULL;
 637 int     errors_sender_rc       = EXIT_FAILURE;
 638
 639 gid_t   exim_gid               = EXIM_GID;
 640 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 641 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 642                         "\0<---------------Space to patch exim_path->";
 643 uid_t   exim_uid               = EXIM_UID;
 644 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 645 int     expand_forbid          = 0;
 646 int     expand_nlength[EXPAND_MAXN+1];
 647 int     expand_nmax            = -1;
 648 uschar *expand_nstring[EXPAND_MAXN+1];
 649 BOOL    expand_string_forcedfail = FALSE;
 650 uschar *expand_string_message;
 651 BOOL    extract_addresses_remove_arguments = TRUE;
 652 uschar *extra_local_interfaces = NULL;
 653
 654 int     fake_response          = OK;
 655 uschar *fake_response_text     = US"Your message has been rejected but is "
 656                                    "being kept for evaluation.\nIf it was a "
 657                                    "legitimate message, it may still be "
 658                                    "delivered to the target recipient(s).";
 659 int     filter_n[FILTER_VARIABLE_COUNT];
 660 BOOL    filter_running         = FALSE;
 661 int     filter_sn[FILTER_VARIABLE_COUNT];
 662 int     filter_test            = FTEST_NONE;
 663 uschar *filter_test_sfile      = NULL;
 664 uschar *filter_test_ufile      = NULL;
 665 uschar *filter_thisaddress     = NULL;
 666 int     finduser_retries       = 0;
 667 #ifdef WITH_OLD_DEMIME
 668 uschar *found_extension        = NULL;
 669 #endif
 670 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 671 uschar *freeze_tell            = NULL;
 672 uschar *freeze_tell_config     = NULL;
 673 uschar *fudged_queue_times     = US"";
 674
 675 uschar *gecos_name             = NULL;
 676 uschar *gecos_pattern          = NULL;
 677 rewrite_rule  *global_rewrite_rules = NULL;
 678
 679 uschar *headers_charset        = US HEADERS_CHARSET;
 680 int     header_insert_maxlen   = 64 * 1024;
 681 header_line  *header_last      = NULL;
 682 header_line  *header_list      = NULL;
 683 int     header_maxsize         = HEADER_MAXSIZE;
 684 int     header_line_maxsize    = 0;
 685
 686 header_name header_names[] = {
 687   { US"bcc",            3, TRUE,  htype_bcc },
 688   { US"cc",             2, TRUE,  htype_cc },
 689   { US"date",           4, TRUE,  htype_date },
 690   { US"delivery-date", 13, FALSE, htype_delivery_date },
 691   { US"envelope-to",   11, FALSE, htype_envelope_to },
 692   { US"from",           4, TRUE,  htype_from },
 693   { US"message-id",    10, TRUE,  htype_id },
 694   { US"received",       8, FALSE, htype_received },
 695   { US"reply-to",       8, FALSE, htype_reply_to },
 696   { US"return-path",   11, FALSE, htype_return_path },
 697   { US"sender",         6, TRUE,  htype_sender },
 698   { US"subject",        7, FALSE, htype_subject },
 699   { US"to",             2, TRUE,  htype_to }
 700 };
 701
 702 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 703
 704 BOOL    header_rewritten       = FALSE;
 705 uschar *helo_accept_junk_hosts = NULL;
 706 uschar *helo_allow_chars       = US"";
 707 uschar *helo_lookup_domains    = US"@ : @[]";
 708 uschar *helo_try_verify_hosts  = NULL;
 709 BOOL    helo_verified          = FALSE;
 710 BOOL    helo_verify_failed     = FALSE;
 711 uschar *helo_verify_hosts      = NULL;
 712 const uschar *hex_digits       = CUS"0123456789abcdef";
 713 uschar *hold_domains           = NULL;
 714 BOOL    host_checking          = FALSE;
 715 BOOL    host_checking_callout  = FALSE;
 716 uschar *host_data              = NULL;
 717 BOOL    host_find_failed_syntax= FALSE;
 718 uschar *host_lookup            = NULL;
 719 BOOL    host_lookup_deferred   = FALSE;
 720 BOOL    host_lookup_failed     = FALSE;
 721 uschar *host_lookup_order      = US"bydns:byaddr";
 722 uschar *host_lookup_msg        = US"";
 723 int     host_number            = 0;
 724 uschar *host_number_string     = NULL;
 725 uschar *host_reject_connection = NULL;
 726 tree_node *hostlist_anchor     = NULL;
 727 int     hostlist_count         = 0;
 728 uschar *hosts_treat_as_local   = NULL;
 729 uschar *hosts_connection_nolog = NULL;
 730
 731 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 732 BOOL    ignore_fromline_local  = FALSE;
 733 uschar *ignore_fromline_hosts  = NULL;
 734 BOOL    inetd_wait_mode        = FALSE;
 735 int     inetd_wait_timeout     = -1;
 736 uschar *interface_address      = NULL;
 737 int     interface_port         = -1;
 738 BOOL    is_inetd               = FALSE;
 739 uschar *iterate_item           = NULL;
 740
 741 int     journal_fd             = -1;
 742
 743 uschar *keep_environment       = NULL;
 744
 745 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 746
 747 uschar *eldap_dn               = NULL;
 748 int     load_average           = -2;
 749 BOOL    local_error_message    = FALSE;
 750 BOOL    local_from_check       = TRUE;
 751 uschar *local_from_prefix      = NULL;
 752 uschar *local_from_suffix      = NULL;
 753
 754 #if HAVE_IPV6
 755 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 756 #else
 757 uschar *local_interfaces       = US"0.0.0.0";
 758 #endif
 759
 760 uschar *local_scan_data        = NULL;
 761 int     local_scan_timeout     = 5*60;
 762 BOOL    local_sender_retain    = FALSE;
 763 gid_t   local_user_gid         = (gid_t)(-1);
 764 uid_t   local_user_uid         = (uid_t)(-1);
 765
 766 tree_node *localpartlist_anchor= NULL;
 767 int     localpartlist_count    = 0;
 768 uschar *log_buffer             = NULL;
 769 unsigned int log_extra_selector = LX_default;
 770 uschar *log_file_path          = US LOG_FILE_PATH
 771                            "\0<--------------Space to patch log_file_path->";
 772
 773 /* Those log options with L_xxx identifiers have values less than 0x800000 and
 774 are the ones that get put into log_write_selector. They can be used in calls to
 775 log_write() to test for the bit. The options with LX_xxx identifiers have
 776 values greater than 0x80000000 and are put into log_extra_selector (without the
 777 top bit). They are never used in calls to log_write(), but are tested
 778 independently. This separation became necessary when the number of log
 779 selectors was getting close to filling a 32-bit word. */
 780
 781 /* Note that this list must be in alphabetical order. */
 782
 783 bit_table log_options[]        = {
 784   { US"8bitmime",                     LX_8bitmime },
 785   { US"acl_warn_skipped",             LX_acl_warn_skipped },
 786   { US"address_rewrite",              L_address_rewrite },
 787   { US"all",                          L_all },
 788   { US"all_parents",                  L_all_parents },
 789   { US"arguments",                    LX_arguments },
 790   { US"connection_reject",            L_connection_reject },
 791   { US"delay_delivery",               L_delay_delivery },
 792   { US"deliver_time",                 LX_deliver_time },
 793   { US"delivery_size",                LX_delivery_size },
 794   { US"dnslist_defer",                L_dnslist_defer },
 795   { US"etrn",                         L_etrn },
 796   { US"host_lookup_failed",           L_host_lookup_failed },
 797   { US"ident_timeout",                LX_ident_timeout },
 798   { US"incoming_interface",           LX_incoming_interface },
 799   { US"incoming_port",                LX_incoming_port },
 800   { US"lost_incoming_connection",     L_lost_incoming_connection },
 801   { US"outgoing_port",                LX_outgoing_port },
 802   { US"pid",                          LX_pid },
 803   { US"queue_run",                    L_queue_run },
 804   { US"queue_time",                   LX_queue_time },
 805   { US"queue_time_overall",           LX_queue_time_overall },
 806   { US"received_recipients",          LX_received_recipients },
 807   { US"received_sender",              LX_received_sender },
 808   { US"rejected_header",              LX_rejected_header },
 809   { US"rejected_headers",             LX_rejected_header },
 810   { US"retry_defer",                  L_retry_defer },
 811   { US"return_path_on_delivery",      LX_return_path_on_delivery },
 812   { US"sender_on_delivery",           LX_sender_on_delivery },
 813   { US"sender_verify_fail",           LX_sender_verify_fail },
 814   { US"size_reject",                  L_size_reject },
 815   { US"skip_delivery",                L_skip_delivery },
 816   { US"smtp_confirmation",            LX_smtp_confirmation },
 817   { US"smtp_connection",              L_smtp_connection },
 818   { US"smtp_incomplete_transaction",  L_smtp_incomplete_transaction },
 819   { US"smtp_mailauth",                LX_smtp_mailauth },
 820   { US"smtp_no_mail",                 LX_smtp_no_mail },
 821   { US"smtp_protocol_error",          L_smtp_protocol_error },
 822   { US"smtp_syntax_error",            L_smtp_syntax_error },
 823   { US"subject",                      LX_subject },
 824   { US"tls_certificate_verified",     LX_tls_certificate_verified },
 825   { US"tls_cipher",                   LX_tls_cipher },
 826   { US"tls_peerdn",                   LX_tls_peerdn },
 827   { US"tls_sni",                      LX_tls_sni },
 828   { US"unknown_in_list",              LX_unknown_in_list }
 829 };
 830
 831 int     log_options_count      = sizeof(log_options)/sizeof(bit_table);
 832 int     log_reject_target      = 0;
 833 uschar *log_selector_string    = NULL;
 834 FILE   *log_stderr             = NULL;
 835 BOOL    log_testing_mode       = FALSE;
 836 BOOL    log_timezone           = FALSE;
 837 unsigned int log_write_selector= L_default;
 838 uschar *login_sender_address   = NULL;
 839 int     lookup_open_max        = 25;
 840 uschar *lookup_value           = NULL;
 841
 842 macro_item  *macros            = NULL;
 843 uschar *mailstore_basename     = NULL;
 844 #ifdef WITH_CONTENT_SCAN
 845 uschar *malware_name           = NULL;  /* Virus Name */
 846 #endif
 847 int     max_received_linelength= 0;
 848 int     max_username_length    = 0;
 849 int     message_age            = 0;
 850 uschar *message_body           = NULL;
 851 uschar *message_body_end       = NULL;
 852 BOOL    message_body_newlines  = FALSE;
 853 int     message_body_size      = 0;
 854 int     message_body_visible   = 500;
 855 int     message_ended          = END_NOTSTARTED;
 856 uschar *message_headers        = NULL;
 857 uschar *message_id;
 858 uschar *message_id_domain      = NULL;
 859 uschar *message_id_text        = NULL;
 860 struct timeval message_id_tv   = { 0, 0 };
 861 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 862 uschar *message_id_external;
 863 int     message_linecount      = 0;
 864 BOOL    message_logs           = TRUE;
 865 int     message_size           = 0;
 866 uschar *message_size_limit     = US"50M";
 867 uschar  message_subdir[2]      = { 0, 0 };
 868 uschar *message_reference      = NULL;
 869
 870 /* MIME ACL expandables */
 871 #ifdef WITH_CONTENT_SCAN
 872 int     mime_anomaly_level     = 0;
 873 const uschar *mime_anomaly_text      = NULL;
 874 uschar *mime_boundary          = NULL;
 875 uschar *mime_charset           = NULL;
 876 uschar *mime_content_description = NULL;
 877 uschar *mime_content_disposition = NULL;
 878 uschar *mime_content_id        = NULL;
 879 unsigned int mime_content_size = 0;
 880 uschar *mime_content_transfer_encoding = NULL;
 881 uschar *mime_content_type      = NULL;
 882 uschar *mime_decoded_filename  = NULL;
 883 uschar *mime_filename          = NULL;
 884 int     mime_is_multipart      = 0;
 885 int     mime_is_coverletter    = 0;
 886 int     mime_is_rfc822         = 0;
 887 int     mime_part_count        = -1;
 888 #endif
 889
 890 BOOL    mua_wrapper            = FALSE;
 891
 892 uid_t  *never_users            = NULL;
 893 #ifdef WITH_CONTENT_SCAN
 894 BOOL    no_mbox_unspool        = FALSE;
 895 #endif
 896 BOOL    no_multiline_responses = FALSE;
 897
 898 uid_t   original_euid;
 899 gid_t   originator_gid;
 900 uschar *originator_login       = NULL;
 901 uschar *originator_name        = NULL;
 902 uid_t   originator_uid;
 903 uschar *override_local_interfaces = NULL;
 904 uschar *override_pid_file_path = NULL;
 905
 906 BOOL    parse_allow_group      = FALSE;
 907 BOOL    parse_found_group      = FALSE;
 908 uschar *percent_hack_domains   = NULL;
 909 uschar *pid_file_path          = US PID_FILE_PATH
 910                            "\0<--------------Space to patch pid_file_path->";
 911 BOOL    pipelining_enable      = TRUE;
 912 uschar *pipelining_advertise_hosts = US"*";
 913 BOOL    preserve_message_logs  = FALSE;
 914 uschar *primary_hostname       = NULL;
 915 BOOL    print_topbitchars      = FALSE;
 916 uschar  process_info[PROCESS_INFO_SIZE];
 917 int     process_info_len       = 0;
 918 uschar *process_log_path       = NULL;
 919 BOOL    prod_requires_admin    = TRUE;
 920 uschar *prvscheck_address      = NULL;
 921 uschar *prvscheck_keynum       = NULL;
 922 uschar *prvscheck_result       = NULL;
 923
 924
 925 uschar *qualify_domain_recipient = NULL;
 926 uschar *qualify_domain_sender  = NULL;
 927 BOOL    queue_2stage           = FALSE;
 928 uschar *queue_domains          = NULL;
 929 int     queue_interval         = -1;
 930 BOOL    queue_list_requires_admin = TRUE;
 931 BOOL    queue_only             = FALSE;
 932 uschar *queue_only_file        = NULL;
 933 int     queue_only_load        = -1;
 934 BOOL    queue_only_load_latch  = TRUE;
 935 BOOL    queue_only_override    = TRUE;
 936 BOOL    queue_only_policy      = FALSE;
 937 BOOL    queue_run_first_delivery = FALSE;
 938 BOOL    queue_run_force        = FALSE;
 939 BOOL    queue_run_in_order     = FALSE;
 940 BOOL    queue_run_local        = FALSE;
 941 int     queue_run_max          = 5;
 942 pid_t   queue_run_pid          = (pid_t)0;
 943 int     queue_run_pipe         = -1;
 944 BOOL    queue_running          = FALSE;
 945 BOOL    queue_smtp             = FALSE;
 946 uschar *queue_smtp_domains     = NULL;
 947
 948 unsigned int random_seed       = 0;
 949 tree_node *ratelimiters_cmd    = NULL;
 950 tree_node *ratelimiters_conn   = NULL;
 951 tree_node *ratelimiters_mail   = NULL;
 952 uschar *raw_active_hostname    = NULL;
 953 uschar *raw_sender             = NULL;
 954 uschar **raw_recipients        = NULL;
 955 int     raw_recipients_count   = 0;
 956
 957 int     rcpt_count             = 0;
 958 int     rcpt_fail_count        = 0;
 959 int     rcpt_defer_count       = 0;
 960 gid_t   real_gid;
 961 uid_t   real_uid;
 962 BOOL    really_exim            = TRUE;
 963 BOOL    receive_call_bombout   = FALSE;
 964 int     receive_linecount      = 0;
 965 int     receive_messagecount   = 0;
 966 int     receive_timeout        = 0;
 967 int     received_count         = 0;
 968 uschar *received_for           = NULL;
 969
 970 /*  This is the default text for Received headers generated by Exim. The
 971 date  will be automatically added on the end. */
 972
 973 uschar *received_header_text   = US
 974      "Received: "
 975      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
 976      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
 977      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
 978      "by $primary_hostname "
 979      "${if def:received_protocol {with $received_protocol}} "
 980      #ifdef SUPPORT_TLS
 981      "${if def:tls_cipher {($tls_cipher)\n\t}}"
 982      #endif
 983      "(Exim $version_number)\n\t"
 984      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
 985      "id $message_exim_id"
 986      "${if def:received_for {\n\tfor $received_for}}"
 987      "\0<---------------Space to patch received_header_text->";
 988
 989 int     received_headers_max   = 30;
 990 uschar *received_protocol      = NULL;
 991 int     received_time          = 0;
 992 uschar *recipient_data         = NULL;
 993 uschar *recipient_unqualified_hosts = NULL;
 994 uschar *recipient_verify_failure = NULL;
 995 int     recipients_count       = 0;
 996 BOOL    recipients_discarded   = FALSE;
 997 recipient_item  *recipients_list = NULL;
 998 int     recipients_list_max    = 0;
 999 int     recipients_max         = 0;
1000 BOOL    recipients_max_reject  = FALSE;
1001 const pcre *regex_AUTH         = NULL;
1002 const pcre *regex_check_dns_names = NULL;
1003 const pcre *regex_From         = NULL;
1004 const pcre *regex_IGNOREQUOTA  = NULL;
1005 const pcre *regex_PIPELINING   = NULL;
1006 const pcre *regex_SIZE         = NULL;
1007 const pcre *regex_smtp_code    = NULL;
1008 const pcre *regex_ismsgid      = NULL;
1009 #ifdef WHITELIST_D_MACROS
1010 const pcre *regex_whitelisted_macro = NULL;
1011 #endif
1012 #ifdef WITH_CONTENT_SCAN
1013 uschar *regex_match_string     = NULL;
1014 #endif
1015 int     remote_delivery_count  = 0;
1016 int     remote_max_parallel    = 2;
1017 uschar *remote_sort_domains    = NULL;
1018 int     retry_data_expire      = 7*24*60*60;
1019 int     retry_interval_max     = 24*60*60;
1020 int     retry_maximum_timeout  = 0;        /* set from retry config */
1021 retry_config  *retries         = NULL;
1022 uschar *return_path            = NULL;
1023 BOOL    return_path_remove     = TRUE;
1024 int     rewrite_existflags     = 0;
1025 uschar *rfc1413_hosts          = US"*";
1026 int     rfc1413_query_timeout  = 5;
1027 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1028 uid_t   root_gid               = ROOT_GID;
1029 uid_t   root_uid               = ROOT_UID;
1030
1031 router_instance  *routers  = NULL;
1032 router_instance  router_defaults = {
1033     NULL,                      /* chain pointer */
1034     NULL,                      /* name */
1035     NULL,                      /* info */
1036     NULL,                      /* private options block pointer */
1037     NULL,                      /* driver name */
1038
1039     NULL,                      /* address_data */
1040 #ifdef EXPERIMENTAL_BRIGHTMAIL
1041     NULL,                      /* bmi_rule */
1042 #endif
1043     NULL,                      /* cannot_route_message */
1044     NULL,                      /* condition */
1045     NULL,                      /* current_directory */
1046     NULL,                      /* debug_string */
1047     NULL,                      /* domains */
1048     NULL,                      /* errors_to */
1049     NULL,                      /* expand_gid */
1050     NULL,                      /* expand_uid */
1051     NULL,                      /* expand_more */
1052     NULL,                      /* expand_unseen */
1053     NULL,                      /* extra_headers */
1054     NULL,                      /* fallback_hosts */
1055     NULL,                      /* home_directory */
1056     NULL,                      /* ignore_target_hosts */
1057     NULL,                      /* local_parts */
1058     NULL,                      /* pass_router_name */
1059     NULL,                      /* prefix */
1060     NULL,                      /* redirect_router_name */
1061     NULL,                      /* remove_headers */
1062     NULL,                      /* require_files */
1063     NULL,                      /* router_home_directory */
1064     US"freeze",                /* self */
1065     NULL,                      /* senders */
1066     NULL,                      /* suffix */
1067     NULL,                      /* translate_ip_address */
1068     NULL,                      /* transport_name */
1069
1070     TRUE,                      /* address_test */
1071 #ifdef EXPERIMENTAL_BRIGHTMAIL
1072     FALSE,                     /* bmi_deliver_alternate */
1073     FALSE,                     /* bmi_deliver_default */
1074     FALSE,                     /* bmi_dont_deliver */
1075 #endif
1076     TRUE,                      /* expn */
1077     FALSE,                     /* caseful_local_part */
1078     FALSE,                     /* check_local_user */
1079     FALSE,                     /* disable_logging */
1080     FALSE,                     /* fail_verify_recipient */
1081     FALSE,                     /* fail_verify_sender */
1082     FALSE,                     /* gid_set */
1083     FALSE,                     /* initgroups */
1084     TRUE_UNSET,                /* log_as_local */
1085     TRUE,                      /* more */
1086     FALSE,                     /* pass_on_timeout */
1087     FALSE,                     /* prefix_optional */
1088     TRUE,                      /* repeat_use */
1089     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1090     FALSE,                     /* same_domain_copy_routing */
1091     FALSE,                     /* self_rewrite */
1092     FALSE,                     /* suffix_optional */
1093     FALSE,                     /* verify_only */
1094     TRUE,                      /* verify_recipient */
1095     TRUE,                      /* verify_sender */
1096     FALSE,                     /* uid_set */
1097     FALSE,                     /* unseen */
1098
1099     self_freeze,               /* self_code */
1100     (uid_t)(-1),               /* uid */
1101     (gid_t)(-1),               /* gid */
1102
1103     NULL,                      /* fallback_hostlist */
1104     NULL,                      /* transport instance */
1105     NULL,                      /* pass_router */
1106     NULL                       /* redirect_router */
1107 };
1108
1109 uschar *router_name            = NULL;
1110
1111 ip_address_item *running_interfaces = NULL;
1112 BOOL    running_in_test_harness = FALSE;
1113
1114 /* This is a weird one. The following string gets patched in the binary by the
1115 script that sets up a copy of Exim for running in the test harness. It seems
1116 that compilers are now clever, and share constant strings if they can.
1117 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1118 make use of the end of this string in order to save space. So the patching then
1119 wrecks this. We defeat this optimization by adding some additional characters
1120 onto the end of the string. */
1121
1122 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1123
1124 int     runrc                  = 0;
1125
1126 uschar *search_error_message   = NULL;
1127 BOOL    search_find_defer      = FALSE;
1128 uschar *self_hostname          = NULL;
1129 uschar *sender_address         = NULL;
1130 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1131 uschar *sender_address_data    = NULL;
1132 BOOL    sender_address_forced  = FALSE;
1133 uschar *sender_address_unrewritten = NULL;
1134 uschar *sender_data            = NULL;
1135 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1136 uschar *sender_fullhost        = NULL;
1137 uschar *sender_helo_name       = NULL;
1138 uschar **sender_host_aliases   = &no_aliases;
1139 uschar *sender_host_address    = NULL;
1140 uschar *sender_host_authenticated = NULL;
1141 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1142 BOOL    sender_host_dnssec     = FALSE;
1143 uschar *sender_host_name       = NULL;
1144 int     sender_host_port       = 0;
1145 BOOL    sender_host_notsocket  = FALSE;
1146 BOOL    sender_host_unknown    = FALSE;
1147 uschar *sender_ident           = NULL;
1148 BOOL    sender_local           = FALSE;
1149 BOOL    sender_name_forced     = FALSE;
1150 uschar *sender_rate            = NULL;
1151 uschar *sender_rate_limit      = NULL;
1152 uschar *sender_rate_period     = NULL;
1153 uschar *sender_rcvhost         = NULL;
1154 BOOL    sender_set_untrusted   = FALSE;
1155 uschar *sender_unqualified_hosts = NULL;
1156 uschar *sender_verify_failure = NULL;
1157 address_item *sender_verified_list  = NULL;
1158 address_item *sender_verified_failed = NULL;
1159 int     sender_verified_rc     = -1;
1160 BOOL    sender_verified_responded = FALSE;
1161 uschar *sending_ip_address     = NULL;
1162 int     sending_port           = -1;
1163 SIGNAL_BOOL sigalrm_seen       = FALSE;
1164 uschar **sighup_argv           = NULL;
1165 int     smtp_accept_count      = 0;
1166 BOOL    smtp_accept_keepalive  = TRUE;
1167 int     smtp_accept_max        = 20;
1168 int     smtp_accept_max_nonmail= 10;
1169 uschar *smtp_accept_max_nonmail_hosts = US"*";
1170 int     smtp_accept_max_per_connection = 1000;
1171 uschar *smtp_accept_max_per_host = NULL;
1172 int     smtp_accept_queue      = 0;
1173 int     smtp_accept_queue_per_connection = 10;
1174 int     smtp_accept_reserve    = 0;
1175 uschar *smtp_active_hostname   = NULL;
1176 BOOL    smtp_authenticated     = FALSE;
1177 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1178                              "Exim $version_number $tod_full"
1179                              "\0<---------------Space to patch smtp_banner->";
1180 BOOL    smtp_batched_input     = FALSE;
1181 BOOL    smtp_check_spool_space = TRUE;
1182 int     smtp_ch_index          = 0;
1183 uschar *smtp_cmd_argument      = NULL;
1184 uschar *smtp_cmd_buffer        = NULL;
1185 time_t  smtp_connection_start  = 0;
1186 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1187 int     smtp_connect_backlog   = 20;
1188 double  smtp_delay_mail        = 0.0;
1189 double  smtp_delay_rcpt        = 0.0;
1190 BOOL    smtp_enforce_sync      = TRUE;
1191 FILE   *smtp_in                = NULL;
1192 BOOL    smtp_input             = FALSE;
1193 int     smtp_load_reserve      = -1;
1194 int     smtp_mailcmd_count     = 0;
1195 FILE   *smtp_out               = NULL;
1196 uschar *smtp_etrn_command      = NULL;
1197 BOOL    smtp_etrn_serialize    = TRUE;
1198 int     smtp_max_synprot_errors= 3;
1199 int     smtp_max_unknown_commands = 3;
1200 uschar *smtp_notquit_reason    = NULL;
1201 uschar *smtp_ratelimit_hosts   = NULL;
1202 uschar *smtp_ratelimit_mail    = NULL;
1203 uschar *smtp_ratelimit_rcpt    = NULL;
1204 uschar *smtp_read_error        = US"";
1205 int     smtp_receive_timeout   = 5*60;
1206 uschar *smtp_reserve_hosts     = NULL;
1207 BOOL    smtp_return_error_details = FALSE;
1208 int     smtp_rlm_base          = 0;
1209 double  smtp_rlm_factor        = 0.0;
1210 int     smtp_rlm_limit         = 0;
1211 int     smtp_rlm_threshold     = INT_MAX;
1212 int     smtp_rlr_base          = 0;
1213 double  smtp_rlr_factor        = 0.0;
1214 int     smtp_rlr_limit         = 0;
1215 int     smtp_rlr_threshold     = INT_MAX;
1216 BOOL    smtp_use_pipelining    = FALSE;
1217 BOOL    smtp_use_size          = FALSE;
1218
1219 #ifdef WITH_CONTENT_SCAN
1220 uschar *spamd_address          = US"127.0.0.1 783";
1221 uschar *spam_bar               = NULL;
1222 uschar *spam_report            = NULL;
1223 uschar *spam_score             = NULL;
1224 uschar *spam_score_int         = NULL;
1225 #endif
1226 #ifdef EXPERIMENTAL_SPF
1227 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1228 uschar *spf_header_comment     = NULL;
1229 uschar *spf_received           = NULL;
1230 uschar *spf_result             = NULL;
1231 uschar *spf_smtp_comment       = NULL;
1232 #endif
1233
1234 BOOL    split_spool_directory  = FALSE;
1235 uschar *spool_directory        = US SPOOL_DIRECTORY
1236                            "\0<--------------Space to patch spool_directory->";
1237 #ifdef EXPERIMENTAL_SRS
1238 uschar *srs_config             = NULL;
1239 uschar *srs_db_address         = NULL;
1240 uschar *srs_db_key             = NULL;
1241 int     srs_hashlength         = 6;
1242 int     srs_hashmin            = -1;
1243 int     srs_maxage             = 31;
1244 uschar *srs_orig_recipient     = NULL;
1245 uschar *srs_orig_sender        = NULL;
1246 uschar *srs_recipient          = NULL;
1247 uschar *srs_secrets            = NULL;
1248 uschar *srs_status             = NULL;
1249 BOOL    srs_usehash            = TRUE;
1250 BOOL    srs_usetimestamp       = TRUE;
1251 #endif
1252 BOOL    strict_acl_vars        = FALSE;
1253 int     string_datestamp_offset= -1;
1254 int     string_datestamp_length= 0;
1255 int     string_datestamp_type  = -1;
1256 BOOL    strip_excess_angle_brackets = FALSE;
1257 BOOL    strip_trailing_dot     = FALSE;
1258 uschar *submission_domain      = NULL;
1259 BOOL    submission_mode        = FALSE;
1260 uschar *submission_name        = NULL;
1261 BOOL    suppress_local_fixups  = FALSE;
1262 BOOL    suppress_local_fixups_default = FALSE;
1263 BOOL    synchronous_delivery   = FALSE;
1264 BOOL    syslog_duplication     = TRUE;
1265 int     syslog_facility        = LOG_MAIL;
1266 uschar *syslog_processname     = US"exim";
1267 BOOL    syslog_timestamp       = TRUE;
1268 uschar *system_filter          = NULL;
1269
1270 uschar *system_filter_directory_transport = NULL;
1271 uschar *system_filter_file_transport = NULL;
1272 uschar *system_filter_pipe_transport = NULL;
1273 uschar *system_filter_reply_transport = NULL;
1274
1275 gid_t   system_filter_gid      = 0;
1276 BOOL    system_filter_gid_set  = FALSE;
1277 uid_t   system_filter_uid      = (uid_t)-1;
1278 BOOL    system_filter_uid_set  = FALSE;
1279 BOOL    system_filtering       = FALSE;
1280
1281 BOOL    tcp_nodelay            = TRUE;
1282 #ifdef USE_TCP_WRAPPERS
1283 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1284 #endif
1285 int     test_harness_load_avg  = 0;
1286 int     thismessage_size_limit = 0;
1287 int     timeout_frozen_after   = 0;
1288 BOOL    timestamps_utc         = FALSE;
1289
1290 #ifdef EXPERIMENTAL_TPDA
1291 int     tpda_defer_errno        = 0;
1292 uschar *tpda_defer_errstr       = NULL;
1293 uschar *tpda_delivery_ip        = NULL;
1294 int     tpda_delivery_port      = 0;
1295 uschar *tpda_delivery_fqdn      = NULL;
1296 uschar *tpda_delivery_local_part= NULL;
1297 uschar *tpda_delivery_domain    = NULL;
1298 uschar *tpda_delivery_confirmation = NULL;
1299 #endif
1300
1301 transport_instance  *transports = NULL;
1302
1303 transport_instance  transport_defaults = {
1304     NULL,                     /* chain pointer */
1305     NULL,                     /* name */
1306     NULL,                     /* info */
1307     NULL,                     /* private options block pointer */
1308     NULL,                     /* driver name */
1309     NULL,                     /* setup entry point */
1310     1,                        /* batch_max */
1311     NULL,                     /* batch_id */
1312     NULL,                     /* home_dir */
1313     NULL,                     /* current_dir */
1314     TRUE,                     /* multi-domain */
1315     FALSE,                    /* overrides_hosts */
1316     100,                      /* max_addresses */
1317     500,                      /* connection_max_messages */
1318     FALSE,                    /* deliver_as_creator */
1319     FALSE,                    /* disable_logging */
1320     FALSE,                    /* initgroups */
1321     FALSE,                    /* uid_set */
1322     FALSE,                    /* gid_set */
1323     (uid_t)(-1),              /* uid */
1324     (gid_t)(-1),              /* gid */
1325     NULL,                     /* expand_uid */
1326     NULL,                     /* expand_gid */
1327     NULL,                     /* warn_message */
1328     NULL,                     /* shadow */
1329     NULL,                     /* shadow_condition */
1330     NULL,                     /* filter_command */
1331     NULL,                     /* add_headers */
1332     NULL,                     /* remove_headers */
1333     NULL,                     /* return_path */
1334     NULL,                     /* debug_string */
1335     NULL,                     /* message_size_limit */
1336     NULL,                     /* headers_rewrite */
1337     NULL,                     /* rewrite_rules */
1338     0,                        /* rewrite_existflags */
1339     300,                      /* filter_timeout */
1340     FALSE,                    /* body_only */
1341     FALSE,                    /* delivery_date_add */
1342     FALSE,                    /* envelope_to_add */
1343     FALSE,                    /* headers_only */
1344     FALSE,                    /* rcpt_include_affixes */
1345     FALSE,                    /* return_path_add */
1346     FALSE,                    /* return_output */
1347     FALSE,                    /* return_fail_output */
1348     FALSE,                    /* log_output */
1349     FALSE,                    /* log_fail_output */
1350     FALSE,                    /* log_defer_output */
1351     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1352                                  1 nor 0 so can detect unset */
1353 };
1354
1355 int     transport_count;
1356 uschar *transport_name          = NULL;
1357 int     transport_newlines;
1358 uschar **transport_filter_argv  = NULL;
1359 int     transport_filter_timeout;
1360 BOOL    transport_filter_timed_out = FALSE;
1361 int     transport_write_timeout= 0;
1362
1363 tree_node  *tree_dns_fails     = NULL;
1364 tree_node  *tree_duplicates    = NULL;
1365 tree_node  *tree_nonrecipients = NULL;
1366 tree_node  *tree_unusable      = NULL;
1367
1368 BOOL    trusted_caller         = FALSE;
1369 BOOL    trusted_config         = TRUE;
1370 gid_t  *trusted_groups         = NULL;
1371 uid_t  *trusted_users          = NULL;
1372 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1373
1374 uschar *unknown_login          = NULL;
1375 uschar *unknown_username       = NULL;
1376 uschar *untrusted_set_sender   = NULL;
1377
1378 /*  A regex for matching a "From_" line in an incoming message, in the form
1379
1380     From ph10 Fri Jan  5 12:35 GMT 1996
1381
1382 which  the "mail" commands send to the MTA (undocumented, of course), or in
1383 the  form
1384
1385     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1386
1387 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1388 Because  of variations in time formats, just match up to the minutes. That
1389 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1390 so  just require one digit for hours and minutes. The weekday is also absent
1391 in  some forms. */
1392
1393 uschar *uucp_from_pattern      = US
1394    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1395    "(?:"                                          /* Non-extracting bracket */
1396    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1397    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1398    ")"                                            /* End alternation */
1399    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1400
1401 uschar *uucp_from_sender       = US"$1";
1402
1403 uschar *warn_message_file      = NULL;
1404 uschar *warnmsg_delay          = NULL;
1405 uschar *warnmsg_recipients     = NULL;
1406 BOOL    write_rejectlog        = TRUE;
1407
1408 uschar *version_copyright      =
1409  US"Copyright (c) University of Cambridge, 1995 - 2013\n"
1410    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2013";
1411 uschar *version_date           = US"?";
1412 uschar *version_cnumber        = US"????";
1413 uschar *version_string         = US"?";
1414
1415 int     warning_count          = 0;
1416
1417 /*  End of globals.c */