src/src/globals.c

   1 /*************************************************
   2 *     Exim - an Internet mail transport agent    *
   3 *************************************************/
   4
   5 /* Copyright (c) University of Cambridge 1995 - 2015 */
   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 #ifdef EXPERIMENTAL_DANE
 107  FALSE,/* dane_verified */
 108  0,    /* tlsa_usage */
 109 #endif
 110  NULL, /* tls_cipher */
 111  FALSE,/* tls_on_connect */
 112  NULL, /* tls_on_connect_ports */
 113  NULL, /* tls_ourcert */
 114  NULL, /* tls_peercert */
 115  NULL, /* tls_peerdn */
 116  NULL, /* tls_sni */
 117  0     /* tls_ocsp */
 118 };
 119 tls_support tls_out = {
 120  -1,   /* tls_active */
 121  0,    /* tls_bits */
 122  FALSE,/* tls_certificate_verified */
 123 #ifdef EXPERIMENTAL_DANE
 124  FALSE,/* dane_verified */
 125  0,    /* tlsa_usage */
 126 #endif
 127  NULL, /* tls_cipher */
 128  FALSE,/* tls_on_connect */
 129  NULL, /* tls_on_connect_ports */
 130  NULL, /* tls_ourcert */
 131  NULL, /* tls_peercert */
 132  NULL, /* tls_peerdn */
 133  NULL, /* tls_sni */
 134  0     /* tls_ocsp */
 135 };
 136
 137 uschar *dsn_envid              = NULL;
 138 int     dsn_ret                = 0;
 139 const pcre  *regex_DSN         = NULL;
 140 BOOL    smtp_use_dsn           = FALSE;
 141 uschar *dsn_advertise_hosts    = NULL;
 142
 143 #ifdef SUPPORT_TLS
 144 BOOL    gnutls_compat_mode     = FALSE;
 145 BOOL    gnutls_allow_auto_pkcs11 = FALSE;
 146 uschar *gnutls_require_mac     = NULL;
 147 uschar *gnutls_require_kx      = NULL;
 148 uschar *gnutls_require_proto   = NULL;
 149 uschar *openssl_options        = NULL;
 150 const pcre *regex_STARTTLS     = NULL;
 151 uschar *tls_advertise_hosts    = NULL;    /* This is deliberate */
 152 uschar *tls_certificate        = NULL;
 153 uschar *tls_crl                = NULL;
 154 /* This default matches NSS DH_MAX_P_BITS value at current time (2012), because
 155 that's the interop problem which has been observed: GnuTLS suggesting a higher
 156 bit-count as "NORMAL" (2432) and Thunderbird dropping connection. */
 157 int     tls_dh_max_bits        = 2236;
 158 uschar *tls_dhparam            = NULL;
 159 uschar *tls_eccurve            = US"prime256v1";
 160 #ifndef DISABLE_OCSP
 161 uschar *tls_ocsp_file          = NULL;
 162 #endif
 163 BOOL    tls_offered            = FALSE;
 164 uschar *tls_privatekey         = NULL;
 165 BOOL    tls_remember_esmtp     = FALSE;
 166 uschar *tls_require_ciphers    = NULL;
 167 uschar *tls_try_verify_hosts   = NULL;
 168 uschar *tls_verify_certificates= US"system";
 169 uschar *tls_verify_hosts       = NULL;
 170 #endif
 171
 172 #ifndef DISABLE_PRDR
 173 /* Per Recipient Data Response variables */
 174 BOOL    prdr_enable            = FALSE;
 175 BOOL    prdr_requested         = FALSE;
 176 const pcre *regex_PRDR         = NULL;
 177 #endif
 178
 179 #ifdef EXPERIMENTAL_INTERNATIONAL
 180 const pcre *regex_UTF8         = NULL;
 181 #endif
 182
 183 /* Input-reading functions for messages, so we can use special ones for
 184 incoming TCP/IP. The defaults use stdin. We never need these for any
 185 stand-alone tests. */
 186
 187 #ifndef STAND_ALONE
 188 int (*receive_getc)(void)      = stdin_getc;
 189 int (*receive_ungetc)(int)     = stdin_ungetc;
 190 int (*receive_feof)(void)      = stdin_feof;
 191 int (*receive_ferror)(void)    = stdin_ferror;
 192 BOOL (*receive_smtp_buffered)(void) = NULL;   /* Only used for SMTP */
 193 #endif
 194
 195
 196 /* List of per-address expansion variables for clearing and saving/restoring
 197 when verifying one address while routing/verifying another. We have to have
 198 the size explicit, because it is referenced from more than one module. */
 199
 200 const uschar **address_expansions[ADDRESS_EXPANSIONS_COUNT] = {
 201   CUSS &deliver_address_data,
 202   CUSS &deliver_domain,
 203   CUSS &deliver_domain_data,
 204   CUSS &deliver_domain_orig,
 205   CUSS &deliver_domain_parent,
 206   CUSS &deliver_localpart,
 207   CUSS &deliver_localpart_data,
 208   CUSS &deliver_localpart_orig,
 209   CUSS &deliver_localpart_parent,
 210   CUSS &deliver_localpart_prefix,
 211   CUSS &deliver_localpart_suffix,
 212   CUSS (uschar **)(&deliver_recipients),
 213   CUSS &deliver_host,
 214   CUSS &deliver_home,
 215   CUSS &address_file,
 216   CUSS &address_pipe,
 217   CUSS &self_hostname,
 218   NULL };
 219
 220 int address_expansions_count = sizeof(address_expansions)/sizeof(uschar **);
 221
 222 /* General global variables */
 223
 224 header_line *acl_added_headers = NULL;
 225 tree_node *acl_anchor          = NULL;
 226 uschar *acl_arg[9]             = {NULL, NULL, NULL, NULL, NULL,
 227                                   NULL, NULL, NULL, NULL};
 228 int     acl_narg               = 0;
 229
 230 uschar *acl_not_smtp           = NULL;
 231 #ifdef WITH_CONTENT_SCAN
 232 uschar *acl_not_smtp_mime      = NULL;
 233 #endif
 234 uschar *acl_not_smtp_start     = NULL;
 235 uschar *acl_removed_headers    = NULL;
 236 uschar *acl_smtp_auth          = NULL;
 237 uschar *acl_smtp_connect       = NULL;
 238 uschar *acl_smtp_data          = NULL;
 239 #ifndef DISABLE_PRDR
 240 uschar *acl_smtp_data_prdr     = US"accept";
 241 #endif
 242 #ifndef DISABLE_DKIM
 243 uschar *acl_smtp_dkim          = NULL;
 244 #endif
 245 uschar *acl_smtp_etrn          = NULL;
 246 uschar *acl_smtp_expn          = NULL;
 247 uschar *acl_smtp_helo          = NULL;
 248 uschar *acl_smtp_mail          = NULL;
 249 uschar *acl_smtp_mailauth      = NULL;
 250 #ifdef WITH_CONTENT_SCAN
 251 uschar *acl_smtp_mime          = NULL;
 252 #endif
 253 uschar *acl_smtp_notquit       = NULL;
 254 uschar *acl_smtp_predata       = NULL;
 255 uschar *acl_smtp_quit          = NULL;
 256 uschar *acl_smtp_rcpt          = NULL;
 257 uschar *acl_smtp_starttls      = NULL;
 258 uschar *acl_smtp_vrfy          = NULL;
 259
 260 BOOL    acl_temp_details       = FALSE;
 261 tree_node *acl_var_c           = NULL;
 262 tree_node *acl_var_m           = NULL;
 263 uschar *acl_verify_message     = NULL;
 264 string_item *acl_warn_logged   = NULL;
 265
 266 /* Names of SMTP places for use in ACL error messages, and corresponding SMTP
 267 error codes - keep in step with definitions of ACL_WHERE_xxxx in macros.h. */
 268
 269 uschar *acl_wherenames[]       = { US"RCPT",
 270                                    US"MAIL",
 271                                    US"PREDATA",
 272                                    US"MIME",
 273                                    US"DKIM",
 274                                    US"DATA",
 275 #ifndef DISABLE_PRDR
 276                                    US"PRDR",
 277 #endif
 278                                    US"non-SMTP",
 279                                    US"AUTH",
 280                                    US"connection",
 281                                    US"ETRN",
 282                                    US"EXPN",
 283                                    US"EHLO or HELO",
 284                                    US"MAILAUTH",
 285                                    US"non-SMTP-start",
 286                                    US"NOTQUIT",
 287                                    US"QUIT",
 288                                    US"STARTTLS",
 289                                    US"VRFY",
 290                                    US"delivery",
 291                                    US"unknown"
 292                                  };
 293
 294 uschar *acl_wherecodes[]       = { US"550",     /* RCPT */
 295                                    US"550",     /* MAIL */
 296                                    US"550",     /* PREDATA */
 297                                    US"550",     /* MIME */
 298                                    US"550",     /* DKIM */
 299                                    US"550",     /* DATA */
 300 #ifndef DISABLE_PRDR
 301                                    US"550",    /* RCPT PRDR */
 302 #endif
 303                                    US"0",       /* not SMTP; not relevant */
 304                                    US"503",     /* AUTH */
 305                                    US"550",     /* connect */
 306                                    US"458",     /* ETRN */
 307                                    US"550",     /* EXPN */
 308                                    US"550",     /* HELO/EHLO */
 309                                    US"0",       /* MAILAUTH; not relevant */
 310                                    US"0",       /* not SMTP; not relevant */
 311                                    US"0",       /* NOTQUIT; not relevant */
 312                                    US"0",       /* QUIT; not relevant */
 313                                    US"550",     /* STARTTLS */
 314                                    US"252",     /* VRFY */
 315                                    US"0",       /* delivery; not relevant */
 316                                    US"0"        /* unknown; not relevant */
 317                                  };
 318
 319 BOOL    active_local_from_check = FALSE;
 320 BOOL    active_local_sender_retain = FALSE;
 321 int     body_8bitmime = 0;
 322 BOOL    accept_8bitmime        = TRUE; /* deliberately not RFC compliant */
 323 address_item  *addr_duplicate  = NULL;
 324
 325 address_item address_defaults = {
 326   NULL,                 /* next */
 327   NULL,                 /* parent */
 328   NULL,                 /* first */
 329   NULL,                 /* dupof */
 330   NULL,                 /* start_router */
 331   NULL,                 /* router */
 332   NULL,                 /* transport */
 333   NULL,                 /* host_list */
 334   NULL,                 /* host_used */
 335   NULL,                 /* fallback_hosts */
 336   NULL,                 /* reply */
 337   NULL,                 /* retries */
 338   NULL,                 /* address */
 339   NULL,                 /* unique */
 340   NULL,                 /* cc_local_part */
 341   NULL,                 /* lc_local_part */
 342   NULL,                 /* local_part */
 343   NULL,                 /* prefix */
 344   NULL,                 /* suffix */
 345   NULL,                 /* domain */
 346   NULL,                 /* address_retry_key */
 347   NULL,                 /* domain_retry_key */
 348   NULL,                 /* current_dir */
 349   NULL,                 /* home_dir */
 350   NULL,                 /* message */
 351   NULL,                 /* user_message */
 352   NULL,                 /* onetime_parent */
 353   NULL,                 /* pipe_expandn */
 354   NULL,                 /* return_filename */
 355   NULL,                 /* self_hostname */
 356   NULL,                 /* shadow_message */
 357   #ifdef SUPPORT_TLS
 358   NULL,                 /* cipher */
 359   NULL,                 /* ourcert */
 360   NULL,                 /* peercert */
 361   NULL,                 /* peerdn */
 362   OCSP_NOT_REQ,         /* ocsp */
 363   #endif
 364   NULL,                 /* authenticator */
 365   NULL,                 /* auth_id */
 366   NULL,                 /* auth_sndr */
 367   NULL,                 /* dsn_orcpt */
 368   0,                    /* dsn_flags */
 369   0,                    /* dsn_aware */
 370   (uid_t)(-1),          /* uid */
 371   (gid_t)(-1),          /* gid */
 372   0,                    /* flags */
 373   { 0 },                /* domain_cache - any larger array should be zeroed */
 374   { 0 },                /* localpart_cache - ditto */
 375   -1,                   /* mode */
 376   0,                    /* more_errno */
 377   ERRNO_UNKNOWNERROR,   /* basic_errno */
 378   0,                    /* child_count */
 379   -1,                   /* return_file */
 380   SPECIAL_NONE,         /* special_action */
 381   DEFER,                /* transport_return */
 382   {                     /* fields that are propagated to children */
 383     NULL,               /* address_data */
 384     NULL,               /* domain_data */
 385     NULL,               /* localpart_data */
 386     NULL,               /* errors_address */
 387     NULL,               /* extra_headers */
 388     NULL,               /* remove_headers */
 389 #ifdef EXPERIMENTAL_SRS
 390     NULL,               /* srs_sender */
 391 #endif
 392 #ifdef EXPERIMENTAL_INTERNATIONAL
 393     FALSE,              /* utf8 */
 394 #endif
 395   }
 396 };
 397
 398 uschar *address_file           = NULL;
 399 uschar *address_pipe           = NULL;
 400 BOOL    address_test_mode      = FALSE;
 401 tree_node *addresslist_anchor  = NULL;
 402 int     addresslist_count      = 0;
 403 gid_t  *admin_groups           = NULL;
 404 BOOL    admin_user             = FALSE;
 405 BOOL    allow_auth_unadvertised= FALSE;
 406 BOOL    allow_domain_literals  = FALSE;
 407 BOOL    allow_mx_to_ip         = FALSE;
 408 BOOL    allow_unqualified_recipient = TRUE;    /* For local messages */
 409 BOOL    allow_unqualified_sender = TRUE;       /* Reset for SMTP */
 410 BOOL    allow_utf8_domains     = FALSE;
 411 uschar *authenticated_fail_id  = NULL;
 412 uschar *authenticated_id       = NULL;
 413 uschar *authenticated_sender   = NULL;
 414 BOOL    authentication_failed  = FALSE;
 415 auth_instance  *auths          = NULL;
 416 uschar *auth_advertise_hosts   = US"*";
 417 auth_instance auth_defaults    = {
 418     NULL,                      /* chain pointer */
 419     NULL,                      /* name */
 420     NULL,                      /* info */
 421     NULL,                      /* private options block pointer */
 422     NULL,                      /* driver_name */
 423     NULL,                      /* advertise_condition */
 424     NULL,                      /* client_condition */
 425     NULL,                      /* public_name */
 426     NULL,                      /* set_id */
 427     NULL,                      /* set_client_id */
 428     NULL,                      /* server_mail_auth_condition */
 429     NULL,                      /* server_debug_string */
 430     NULL,                      /* server_condition */
 431     FALSE,                     /* client */
 432     FALSE,                     /* server */
 433     FALSE                      /* advertised */
 434 };
 435
 436 uschar *auth_defer_msg         = US"reason not recorded";
 437 uschar *auth_defer_user_msg    = US"";
 438 uschar *auth_vars[AUTH_VARS];
 439 int     auto_thaw              = 0;
 440 #ifdef WITH_CONTENT_SCAN
 441 BOOL    av_failed              = FALSE;
 442 uschar *av_scanner             = US"sophie:/var/run/sophie";  /* AV scanner */
 443 #endif
 444
 445 BOOL    background_daemon      = TRUE;
 446
 447 #if BASE_62 == 62
 448 uschar *base62_chars=
 449     US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
 450 #else
 451 uschar *base62_chars= US"0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ";
 452 #endif
 453
 454 uschar *bi_command             = NULL;
 455 uschar *big_buffer             = NULL;
 456 int     big_buffer_size        = BIG_BUFFER_SIZE;
 457 #ifdef EXPERIMENTAL_BRIGHTMAIL
 458 uschar *bmi_alt_location       = NULL;
 459 uschar *bmi_base64_tracker_verdict = NULL;
 460 uschar *bmi_base64_verdict     = NULL;
 461 uschar *bmi_config_file        = US"/opt/brightmail/etc/brightmail.cfg";
 462 int     bmi_deliver            = 1;
 463 int     bmi_run                = 0;
 464 uschar *bmi_verdicts           = NULL;
 465 #endif
 466 int     body_linecount         = 0;
 467 int     body_zerocount         = 0;
 468 uschar *bounce_message_file    = NULL;
 469 uschar *bounce_message_text    = NULL;
 470 uschar *bounce_recipient       = NULL;
 471 BOOL    bounce_return_body     = TRUE;
 472 BOOL    bounce_return_message  = TRUE;
 473 int     bounce_return_size_limit = 100*1024;
 474 uschar *bounce_sender_authentication = NULL;
 475 int     bsmtp_transaction_linecount = 0;
 476
 477 int     callout_cache_domain_positive_expire = 7*24*60*60;
 478 int     callout_cache_domain_negative_expire = 3*60*60;
 479 int     callout_cache_positive_expire = 24*60*60;
 480 int     callout_cache_negative_expire = 2*60*60;
 481 uschar *callout_random_local_part = US"$primary_hostname-$tod_epoch-testing";
 482 uschar *check_dns_names_pattern= US"(?i)^(?>(?(1)\\.|())[^\\W](?>[a-z0-9/_-]*[^\\W])?)+(\\.?)$";
 483 int     check_log_inodes       = 0;
 484 int     check_log_space        = 0;
 485 BOOL    check_rfc2047_length   = TRUE;
 486 int     check_spool_inodes     = 0;
 487 int     check_spool_space      = 0;
 488 uschar  *client_authenticator  = NULL;
 489 uschar  *client_authenticated_id = NULL;
 490 uschar  *client_authenticated_sender = NULL;
 491 int     clmacro_count          = 0;
 492 uschar *clmacros[MAX_CLMACROS];
 493 BOOL    config_changed         = FALSE;
 494 FILE   *config_file            = NULL;
 495 uschar *config_filename        = NULL;
 496 int     config_lineno          = 0;
 497 #ifdef CONFIGURE_GROUP
 498 gid_t   config_gid             = CONFIGURE_GROUP;
 499 #endif
 500 uschar *config_main_filelist   = US CONFIGURE_FILE
 501                          "\0<-----------Space to patch configure_filename->";
 502 uschar *config_main_filename   = NULL;
 503 uschar *config_main_directory  = NULL;
 504
 505 #ifdef CONFIGURE_OWNER
 506 uid_t   config_uid             = CONFIGURE_OWNER;
 507 #endif
 508
 509 int     connection_max_messages= -1;
 510 uschar *continue_hostname      = NULL;
 511 uschar *continue_host_address  = NULL;
 512 BOOL    continue_more          = FALSE;
 513 int     continue_sequence      = 1;
 514 uschar *continue_transport     = NULL;
 515
 516 uschar *csa_status             = NULL;
 517 cut_t   cutthrough = {
 518   FALSE,                                /* delivery: when to attempt */
 519   -1,                                   /* fd: open connection */
 520   0,                                    /* nrcpt: number of addresses */
 521 };
 522
 523 BOOL    daemon_listen          = FALSE;
 524 uschar *daemon_smtp_port       = US"smtp";
 525 int     daemon_startup_retries = 9;
 526 int     daemon_startup_sleep   = 30;
 527
 528 #ifdef EXPERIMENTAL_DCC
 529 BOOL    dcc_direct_add_header  = FALSE;
 530 uschar *dcc_header             = NULL;
 531 uschar *dcc_result             = NULL;
 532 uschar *dccifd_address         = US"/usr/local/dcc/var/dccifd";
 533 uschar *dccifd_options         = US"header";
 534 #endif
 535
 536 BOOL    debug_daemon           = FALSE;
 537 int     debug_fd               = -1;
 538 FILE   *debug_file             = NULL;
 539 int     debug_notall[]         = {
 540   Di_memory,
 541   -1
 542 };
 543 bit_table debug_options[]      = { /* must be in alphabetical order */
 544   BIT_TABLE(D, acl),
 545   BIT_TABLE(D, all),
 546   BIT_TABLE(D, auth),
 547   BIT_TABLE(D, deliver),
 548   BIT_TABLE(D, dns),
 549   BIT_TABLE(D, dnsbl),
 550   BIT_TABLE(D, exec),
 551   BIT_TABLE(D, expand),
 552   BIT_TABLE(D, filter),
 553   BIT_TABLE(D, hints_lookup),
 554   BIT_TABLE(D, host_lookup),
 555   BIT_TABLE(D, ident),
 556   BIT_TABLE(D, interface),
 557   BIT_TABLE(D, lists),
 558   BIT_TABLE(D, load),
 559   BIT_TABLE(D, local_scan),
 560   BIT_TABLE(D, lookup),
 561   BIT_TABLE(D, memory),
 562   BIT_TABLE(D, pid),
 563   BIT_TABLE(D, process_info),
 564   BIT_TABLE(D, queue_run),
 565   BIT_TABLE(D, receive),
 566   BIT_TABLE(D, resolver),
 567   BIT_TABLE(D, retry),
 568   BIT_TABLE(D, rewrite),
 569   BIT_TABLE(D, route),
 570   BIT_TABLE(D, timestamp),
 571   BIT_TABLE(D, tls),
 572   BIT_TABLE(D, transport),
 573   BIT_TABLE(D, uid),
 574   BIT_TABLE(D, verify),
 575 };
 576 int     debug_options_count    = nelem(debug_options);
 577
 578 unsigned int debug_selector    = 0;
 579 int     delay_warning[DELAY_WARNING_SIZE] = { DELAY_WARNING_SIZE, 1, 24*60*60 };
 580 uschar *delay_warning_condition=
 581   US"${if or {"
 582             "{ !eq{$h_list-id:$h_list-post:$h_list-subscribe:}{} }"
 583             "{ match{$h_precedence:}{(?i)bulk|list|junk} }"
 584             "{ match{$h_auto-submitted:}{(?i)auto-generated|auto-replied} }"
 585             "} {no}{yes}}";
 586 BOOL    delivery_date_remove   = TRUE;
 587 uschar *deliver_address_data   = NULL;
 588 int     deliver_datafile       = -1;
 589 const uschar *deliver_domain   = NULL;
 590 uschar *deliver_domain_data    = NULL;
 591 const uschar *deliver_domain_orig = NULL;
 592 const uschar *deliver_domain_parent = NULL;
 593 BOOL    deliver_drop_privilege = FALSE;
 594 BOOL    deliver_firsttime      = FALSE;
 595 BOOL    deliver_force          = FALSE;
 596 BOOL    deliver_freeze         = FALSE;
 597 time_t  deliver_frozen_at      = 0;
 598 uschar *deliver_home           = NULL;
 599 const uschar *deliver_host     = NULL;
 600 const uschar *deliver_host_address = NULL;
 601 int     deliver_host_port      = 0;
 602 uschar *deliver_in_buffer      = NULL;
 603 ino_t   deliver_inode          = 0;
 604 uschar *deliver_localpart      = NULL;
 605 uschar *deliver_localpart_data = NULL;
 606 uschar *deliver_localpart_orig = NULL;
 607 uschar *deliver_localpart_parent = NULL;
 608 uschar *deliver_localpart_prefix = NULL;
 609 uschar *deliver_localpart_suffix = NULL;
 610 BOOL    deliver_force_thaw     = FALSE;
 611 BOOL    deliver_manual_thaw    = FALSE;
 612 uschar *deliver_out_buffer     = NULL;
 613 int     deliver_queue_load_max = -1;
 614 address_item  *deliver_recipients = NULL;
 615 uschar *deliver_selectstring   = NULL;
 616 BOOL    deliver_selectstring_regex = FALSE;
 617 uschar *deliver_selectstring_sender = NULL;
 618 BOOL    deliver_selectstring_sender_regex = FALSE;
 619 #ifdef WITH_OLD_DEMIME
 620 int     demime_errorlevel      = 0;
 621 int     demime_ok              = 0;
 622 uschar *demime_reason          = NULL;
 623 #endif
 624 BOOL    disable_callout_flush  = FALSE;
 625 BOOL    disable_delay_flush    = FALSE;
 626 #ifdef ENABLE_DISABLE_FSYNC
 627 BOOL    disable_fsync          = FALSE;
 628 #endif
 629 BOOL    disable_ipv6           = FALSE;
 630 BOOL    disable_logging        = FALSE;
 631
 632 #ifndef DISABLE_DKIM
 633 uschar *dkim_cur_signer          = NULL;
 634 uschar *dkim_signers             = NULL;
 635 uschar *dkim_signing_domain      = NULL;
 636 uschar *dkim_signing_selector    = NULL;
 637 uschar *dkim_verify_signers      = US"$dkim_signers";
 638 BOOL    dkim_collect_input       = FALSE;
 639 BOOL    dkim_disable_verify      = FALSE;
 640 #endif
 641 #ifdef EXPERIMENTAL_DMARC
 642 BOOL    dmarc_has_been_checked  = FALSE;
 643 uschar *dmarc_ar_header         = NULL;
 644 uschar *dmarc_domain_policy     = NULL;
 645 uschar *dmarc_forensic_sender   = NULL;
 646 uschar *dmarc_history_file      = NULL;
 647 uschar *dmarc_status            = NULL;
 648 uschar *dmarc_status_text       = NULL;
 649 uschar *dmarc_tld_file          = NULL;
 650 uschar *dmarc_used_domain       = NULL;
 651 BOOL    dmarc_disable_verify    = FALSE;
 652 BOOL    dmarc_enable_forensic   = FALSE;
 653 #endif
 654
 655 uschar *dns_again_means_nonexist = NULL;
 656 int     dns_csa_search_limit   = 5;
 657 BOOL    dns_csa_use_reverse    = TRUE;
 658 #ifdef EXPERIMENTAL_DANE
 659 int     dns_dane_ok            = -1;
 660 #endif
 661 uschar *dns_ipv4_lookup        = NULL;
 662 int     dns_retrans            = 0;
 663 int     dns_retry              = 0;
 664 int     dns_dnssec_ok          = -1; /* <0 = not coerced */
 665 uschar *dns_trust_aa           = NULL;
 666 int     dns_use_edns0          = -1; /* <0 = not coerced */
 667 uschar *dnslist_domain         = NULL;
 668 uschar *dnslist_matched        = NULL;
 669 uschar *dnslist_text           = NULL;
 670 uschar *dnslist_value          = NULL;
 671 tree_node *domainlist_anchor   = NULL;
 672 int     domainlist_count       = 0;
 673 BOOL    dont_deliver           = FALSE;
 674 BOOL    dot_ends               = TRUE;
 675 BOOL    drop_cr                = FALSE;         /* No longer used */
 676 uschar *dsn_from               = US DEFAULT_DSN_FROM;
 677
 678 BOOL    enable_dollar_recipients = FALSE;
 679 BOOL    envelope_to_remove     = TRUE;
 680 int     errno_quota            = ERRNO_QUOTA;
 681 uschar *errors_copy            = NULL;
 682 int     error_handling         = ERRORS_SENDER;
 683 uschar *errors_reply_to        = NULL;
 684 int     errors_sender_rc       = EXIT_FAILURE;
 685 #ifdef EXPERIMENTAL_EVENT
 686 uschar *event_action             = NULL;        /* expansion for delivery events */
 687 uschar *event_data               = NULL;        /* auxilary data variable for event */
 688 int     event_defer_errno        = 0;
 689 const uschar *event_name         = NULL;        /* event name variable */
 690 #endif
 691
 692
 693 gid_t   exim_gid               = EXIM_GID;
 694 BOOL    exim_gid_set           = TRUE;          /* This gid is always set */
 695 uschar *exim_path              = US BIN_DIRECTORY "/exim"
 696                         "\0<---------------Space to patch exim_path->";
 697 uid_t   exim_uid               = EXIM_UID;
 698 BOOL    exim_uid_set           = TRUE;          /* This uid is always set */
 699 int     expand_forbid          = 0;
 700 int     expand_nlength[EXPAND_MAXN+1];
 701 int     expand_nmax            = -1;
 702 uschar *expand_nstring[EXPAND_MAXN+1];
 703 BOOL    expand_string_forcedfail = FALSE;
 704 uschar *expand_string_message;
 705 BOOL    extract_addresses_remove_arguments = TRUE;
 706 uschar *extra_local_interfaces = NULL;
 707
 708 int     fake_response          = OK;
 709 uschar *fake_response_text     = US"Your message has been rejected but is "
 710                                    "being kept for evaluation.\nIf it was a "
 711                                    "legitimate message, it may still be "
 712                                    "delivered to the target recipient(s).";
 713 int     filter_n[FILTER_VARIABLE_COUNT];
 714 BOOL    filter_running         = FALSE;
 715 int     filter_sn[FILTER_VARIABLE_COUNT];
 716 int     filter_test            = FTEST_NONE;
 717 uschar *filter_test_sfile      = NULL;
 718 uschar *filter_test_ufile      = NULL;
 719 uschar *filter_thisaddress     = NULL;
 720 int     finduser_retries       = 0;
 721 #ifdef WITH_OLD_DEMIME
 722 uschar *found_extension        = NULL;
 723 #endif
 724 uid_t   fixed_never_users[]    = { FIXED_NEVER_USERS };
 725 uschar *freeze_tell            = NULL;
 726 uschar *freeze_tell_config     = NULL;
 727 uschar *fudged_queue_times     = US"";
 728
 729 uschar *gecos_name             = NULL;
 730 uschar *gecos_pattern          = NULL;
 731 rewrite_rule  *global_rewrite_rules = NULL;
 732
 733 uschar *headers_charset        = US HEADERS_CHARSET;
 734 int     header_insert_maxlen   = 64 * 1024;
 735 header_line  *header_last      = NULL;
 736 header_line  *header_list      = NULL;
 737 int     header_maxsize         = HEADER_MAXSIZE;
 738 int     header_line_maxsize    = 0;
 739
 740 header_name header_names[] = {
 741   { US"bcc",            3, TRUE,  htype_bcc },
 742   { US"cc",             2, TRUE,  htype_cc },
 743   { US"date",           4, TRUE,  htype_date },
 744   { US"delivery-date", 13, FALSE, htype_delivery_date },
 745   { US"envelope-to",   11, FALSE, htype_envelope_to },
 746   { US"from",           4, TRUE,  htype_from },
 747   { US"message-id",    10, TRUE,  htype_id },
 748   { US"received",       8, FALSE, htype_received },
 749   { US"reply-to",       8, FALSE, htype_reply_to },
 750   { US"return-path",   11, FALSE, htype_return_path },
 751   { US"sender",         6, TRUE,  htype_sender },
 752   { US"subject",        7, FALSE, htype_subject },
 753   { US"to",             2, TRUE,  htype_to }
 754 };
 755
 756 int header_names_size          = sizeof(header_names)/sizeof(header_name);
 757
 758 BOOL    header_rewritten       = FALSE;
 759 uschar *helo_accept_junk_hosts = NULL;
 760 uschar *helo_allow_chars       = US"";
 761 uschar *helo_lookup_domains    = US"@ : @[]";
 762 uschar *helo_try_verify_hosts  = NULL;
 763 BOOL    helo_verified          = FALSE;
 764 BOOL    helo_verify_failed     = FALSE;
 765 uschar *helo_verify_hosts      = NULL;
 766 const uschar *hex_digits       = CUS"0123456789abcdef";
 767 uschar *hold_domains           = NULL;
 768 BOOL    host_checking          = FALSE;
 769 BOOL    host_checking_callout  = FALSE;
 770 uschar *host_data              = NULL;
 771 BOOL    host_find_failed_syntax= FALSE;
 772 uschar *host_lookup            = NULL;
 773 BOOL    host_lookup_deferred   = FALSE;
 774 BOOL    host_lookup_failed     = FALSE;
 775 uschar *host_lookup_order      = US"bydns:byaddr";
 776 uschar *host_lookup_msg        = US"";
 777 int     host_number            = 0;
 778 uschar *host_number_string     = NULL;
 779 uschar *host_reject_connection = NULL;
 780 tree_node *hostlist_anchor     = NULL;
 781 int     hostlist_count         = 0;
 782 uschar *hosts_treat_as_local   = NULL;
 783 uschar *hosts_connection_nolog = NULL;
 784
 785 int     ignore_bounce_errors_after = 10*7*24*60*60;  /* 10 weeks */
 786 BOOL    ignore_fromline_local  = FALSE;
 787 uschar *ignore_fromline_hosts  = NULL;
 788 BOOL    inetd_wait_mode        = FALSE;
 789 int     inetd_wait_timeout     = -1;
 790 uschar *interface_address      = NULL;
 791 int     interface_port         = -1;
 792 BOOL    is_inetd               = FALSE;
 793 uschar *iterate_item           = NULL;
 794
 795 int     journal_fd             = -1;
 796
 797 int     keep_malformed         = 4*24*60*60;    /* 4 days */
 798
 799 uschar *eldap_dn               = NULL;
 800 int     load_average           = -2;
 801 BOOL    local_error_message    = FALSE;
 802 BOOL    local_from_check       = TRUE;
 803 uschar *local_from_prefix      = NULL;
 804 uschar *local_from_suffix      = NULL;
 805
 806 #if HAVE_IPV6
 807 uschar *local_interfaces       = US"<; ::0 ; 0.0.0.0";
 808 #else
 809 uschar *local_interfaces       = US"0.0.0.0";
 810 #endif
 811
 812 uschar *local_scan_data        = NULL;
 813 int     local_scan_timeout     = 5*60;
 814 BOOL    local_sender_retain    = FALSE;
 815 gid_t   local_user_gid         = (gid_t)(-1);
 816 uid_t   local_user_uid         = (uid_t)(-1);
 817
 818 tree_node *localpartlist_anchor= NULL;
 819 int     localpartlist_count    = 0;
 820 uschar *log_buffer             = NULL;
 821
 822 int     log_default[]          = { /* for initializing log_selector */
 823   Li_acl_warn_skipped,
 824   Li_connection_reject,
 825   Li_delay_delivery,
 826   Li_dnslist_defer,
 827   Li_etrn,
 828   Li_host_lookup_failed,
 829   Li_lost_incoming_connection,
 830   Li_outgoing_interface, /* see d_log_interface in deliver.c */
 831   Li_queue_run,
 832   Li_rejected_header,
 833   Li_retry_defer,
 834   Li_sender_verify_fail,
 835   Li_size_reject,
 836   Li_skip_delivery,
 837   Li_smtp_confirmation,
 838   Li_tls_certificate_verified,
 839   Li_tls_cipher,
 840   -1
 841 };
 842
 843 uschar *log_file_path          = US LOG_FILE_PATH
 844                            "\0<--------------Space to patch log_file_path->";
 845
 846 int     log_notall[]           = {
 847   -1
 848 };
 849 bit_table log_options[]        = { /* must be in alphabetical order */
 850   BIT_TABLE(L, 8bitmime),
 851   BIT_TABLE(L, acl_warn_skipped),
 852   BIT_TABLE(L, address_rewrite),
 853   BIT_TABLE(L, all),
 854   BIT_TABLE(L, all_parents),
 855   BIT_TABLE(L, arguments),
 856   BIT_TABLE(L, connection_reject),
 857   BIT_TABLE(L, delay_delivery),
 858   BIT_TABLE(L, deliver_time),
 859   BIT_TABLE(L, delivery_size),
 860   BIT_TABLE(L, dnslist_defer),
 861   BIT_TABLE(L, etrn),
 862   BIT_TABLE(L, host_lookup_failed),
 863   BIT_TABLE(L, ident_timeout),
 864   BIT_TABLE(L, incoming_interface),
 865   BIT_TABLE(L, incoming_port),
 866   BIT_TABLE(L, lost_incoming_connection),
 867   BIT_TABLE(L, outgoing_interface),
 868   BIT_TABLE(L, outgoing_port),
 869   BIT_TABLE(L, pid),
 870 #ifdef EXPERIMENTAL_PROXY
 871   BIT_TABLE(L, proxy),
 872 #endif
 873   BIT_TABLE(L, queue_run),
 874   BIT_TABLE(L, queue_time),
 875   BIT_TABLE(L, queue_time_overall),
 876   BIT_TABLE(L, received_recipients),
 877   BIT_TABLE(L, received_sender),
 878   BIT_TABLE(L, rejected_header),
 879   { US"rejected_headers", Li_rejected_header },
 880   BIT_TABLE(L, retry_defer),
 881   BIT_TABLE(L, return_path_on_delivery),
 882   BIT_TABLE(L, sender_on_delivery),
 883   BIT_TABLE(L, sender_verify_fail),
 884   BIT_TABLE(L, size_reject),
 885   BIT_TABLE(L, skip_delivery),
 886   BIT_TABLE(L, smtp_confirmation),
 887   BIT_TABLE(L, smtp_connection),
 888   BIT_TABLE(L, smtp_incomplete_transaction),
 889   BIT_TABLE(L, smtp_mailauth),
 890   BIT_TABLE(L, smtp_no_mail),
 891   BIT_TABLE(L, smtp_protocol_error),
 892   BIT_TABLE(L, smtp_syntax_error),
 893   BIT_TABLE(L, subject),
 894   BIT_TABLE(L, tls_certificate_verified),
 895   BIT_TABLE(L, tls_cipher),
 896   BIT_TABLE(L, tls_peerdn),
 897   BIT_TABLE(L, tls_sni),
 898   BIT_TABLE(L, unknown_in_list),
 899 };
 900 int     log_options_count      = nelem(log_options);
 901
 902 int     log_reject_target      = 0;
 903 unsigned int log_selector[log_selector_size]; /* initialized in main() */
 904 uschar *log_selector_string    = NULL;
 905 FILE   *log_stderr             = NULL;
 906 BOOL    log_testing_mode       = FALSE;
 907 BOOL    log_timezone           = FALSE;
 908 uschar *login_sender_address   = NULL;
 909 uschar *lookup_dnssec_authenticated = NULL;
 910 int     lookup_open_max        = 25;
 911 uschar *lookup_value           = NULL;
 912
 913 macro_item  *macros            = NULL;
 914 uschar *mailstore_basename     = NULL;
 915 #ifdef WITH_CONTENT_SCAN
 916 uschar *malware_name           = NULL;  /* Virus Name */
 917 #endif
 918 int     max_received_linelength= 0;
 919 int     max_username_length    = 0;
 920 int     message_age            = 0;
 921 uschar *message_body           = NULL;
 922 uschar *message_body_end       = NULL;
 923 BOOL    message_body_newlines  = FALSE;
 924 int     message_body_size      = 0;
 925 int     message_body_visible   = 500;
 926 int     message_ended          = END_NOTSTARTED;
 927 uschar *message_headers        = NULL;
 928 uschar *message_id;
 929 uschar *message_id_domain      = NULL;
 930 uschar *message_id_text        = NULL;
 931 struct timeval message_id_tv   = { 0, 0 };
 932 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 933 uschar *message_id_external;
 934 int     message_linecount      = 0;
 935 BOOL    message_logs           = TRUE;
 936 int     message_size           = 0;
 937 uschar *message_size_limit     = US"50M";
 938 #ifdef EXPERIMENTAL_INTERNATIONAL
 939 BOOL    message_smtputf8       = FALSE;
 940 int     message_utf8_downconvert = 0;   /* -1 ifneeded; 0 never; 1 always */
 941 #endif
 942 uschar  message_subdir[2]      = { 0, 0 };
 943 uschar *message_reference      = NULL;
 944
 945 /* MIME ACL expandables */
 946 #ifdef WITH_CONTENT_SCAN
 947 int     mime_anomaly_level     = 0;
 948 const uschar *mime_anomaly_text      = NULL;
 949 uschar *mime_boundary          = NULL;
 950 uschar *mime_charset           = NULL;
 951 uschar *mime_content_description = NULL;
 952 uschar *mime_content_disposition = NULL;
 953 uschar *mime_content_id        = NULL;
 954 unsigned int mime_content_size = 0;
 955 uschar *mime_content_transfer_encoding = NULL;
 956 uschar *mime_content_type      = NULL;
 957 uschar *mime_decoded_filename  = NULL;
 958 uschar *mime_filename          = NULL;
 959 int     mime_is_multipart      = 0;
 960 int     mime_is_coverletter    = 0;
 961 int     mime_is_rfc822         = 0;
 962 int     mime_part_count        = -1;
 963 #endif
 964
 965 BOOL    mua_wrapper            = FALSE;
 966
 967 uid_t  *never_users            = NULL;
 968 #ifdef WITH_CONTENT_SCAN
 969 BOOL    no_mbox_unspool        = FALSE;
 970 #endif
 971 BOOL    no_multiline_responses = FALSE;
 972
 973 uid_t   original_euid;
 974 gid_t   originator_gid;
 975 uschar *originator_login       = NULL;
 976 uschar *originator_name        = NULL;
 977 uid_t   originator_uid;
 978 uschar *override_local_interfaces = NULL;
 979 uschar *override_pid_file_path = NULL;
 980
 981 BOOL    parse_allow_group      = FALSE;
 982 BOOL    parse_found_group      = FALSE;
 983 uschar *percent_hack_domains   = NULL;
 984 uschar *pid_file_path          = US PID_FILE_PATH
 985                            "\0<--------------Space to patch pid_file_path->";
 986 BOOL    pipelining_enable      = TRUE;
 987 uschar *pipelining_advertise_hosts = US"*";
 988 BOOL    preserve_message_logs  = FALSE;
 989 uschar *primary_hostname       = NULL;
 990 BOOL    print_topbitchars      = FALSE;
 991 uschar  process_info[PROCESS_INFO_SIZE];
 992 int     process_info_len       = 0;
 993 uschar *process_log_path       = NULL;
 994 BOOL    prod_requires_admin    = TRUE;
 995
 996 #ifdef EXPERIMENTAL_PROXY
 997 uschar *proxy_host_address     = US"";
 998 int     proxy_host_port        = 0;
 999 uschar *proxy_required_hosts   = US"";
1000 BOOL    proxy_session          = FALSE;
1001 BOOL    proxy_session_failed   = FALSE;
1002 uschar *proxy_target_address   = US"";
1003 int     proxy_target_port      = 0;
1004 #endif
1005
1006 uschar *prvscheck_address      = NULL;
1007 uschar *prvscheck_keynum       = NULL;
1008 uschar *prvscheck_result       = NULL;
1009
1010
1011 const uschar *qualify_domain_recipient = NULL;
1012 uschar *qualify_domain_sender  = NULL;
1013 BOOL    queue_2stage           = FALSE;
1014 uschar *queue_domains          = NULL;
1015 int     queue_interval         = -1;
1016 BOOL    queue_list_requires_admin = TRUE;
1017 BOOL    queue_only             = FALSE;
1018 uschar *queue_only_file        = NULL;
1019 int     queue_only_load        = -1;
1020 BOOL    queue_only_load_latch  = TRUE;
1021 BOOL    queue_only_override    = TRUE;
1022 BOOL    queue_only_policy      = FALSE;
1023 BOOL    queue_run_first_delivery = FALSE;
1024 BOOL    queue_run_force        = FALSE;
1025 BOOL    queue_run_in_order     = FALSE;
1026 BOOL    queue_run_local        = FALSE;
1027 int     queue_run_max          = 5;
1028 pid_t   queue_run_pid          = (pid_t)0;
1029 int     queue_run_pipe         = -1;
1030 BOOL    queue_running          = FALSE;
1031 BOOL    queue_smtp             = FALSE;
1032 uschar *queue_smtp_domains     = NULL;
1033
1034 unsigned int random_seed       = 0;
1035 tree_node *ratelimiters_cmd    = NULL;
1036 tree_node *ratelimiters_conn   = NULL;
1037 tree_node *ratelimiters_mail   = NULL;
1038 uschar *raw_active_hostname    = NULL;
1039 uschar *raw_sender             = NULL;
1040 uschar **raw_recipients        = NULL;
1041 int     raw_recipients_count   = 0;
1042
1043 int     rcpt_count             = 0;
1044 int     rcpt_fail_count        = 0;
1045 int     rcpt_defer_count       = 0;
1046 gid_t   real_gid;
1047 uid_t   real_uid;
1048 BOOL    really_exim            = TRUE;
1049 BOOL    receive_call_bombout   = FALSE;
1050 int     receive_linecount      = 0;
1051 int     receive_messagecount   = 0;
1052 int     receive_timeout        = 0;
1053 int     received_count         = 0;
1054 uschar *received_for           = NULL;
1055
1056 /*  This is the default text for Received headers generated by Exim. The
1057 date  will be automatically added on the end. */
1058
1059 uschar *received_header_text   = US
1060      "Received: "
1061      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1062      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1063      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1064      "by $primary_hostname "
1065      "${if def:received_protocol {with $received_protocol}} "
1066      #ifdef SUPPORT_TLS
1067      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1068      #endif
1069      "(Exim $version_number)\n\t"
1070      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1071      "id $message_exim_id"
1072      "${if def:received_for {\n\tfor $received_for}}"
1073      "\0<---------------Space to patch received_header_text->";
1074
1075 int     received_headers_max   = 30;
1076 uschar *received_protocol      = NULL;
1077 int     received_time          = 0;
1078 uschar *recipient_data         = NULL;
1079 uschar *recipient_unqualified_hosts = NULL;
1080 uschar *recipient_verify_failure = NULL;
1081 int     recipients_count       = 0;
1082 BOOL    recipients_discarded   = FALSE;
1083 recipient_item  *recipients_list = NULL;
1084 int     recipients_list_max    = 0;
1085 int     recipients_max         = 0;
1086 BOOL    recipients_max_reject  = FALSE;
1087 const pcre *regex_AUTH         = NULL;
1088 const pcre *regex_check_dns_names = NULL;
1089 const pcre *regex_From         = NULL;
1090 const pcre *regex_IGNOREQUOTA  = NULL;
1091 const pcre *regex_PIPELINING   = NULL;
1092 const pcre *regex_SIZE         = NULL;
1093 const pcre *regex_ismsgid      = NULL;
1094 const pcre *regex_smtp_code    = NULL;
1095 uschar *regex_vars[REGEX_VARS];
1096 #ifdef WHITELIST_D_MACROS
1097 const pcre *regex_whitelisted_macro = NULL;
1098 #endif
1099 #ifdef WITH_CONTENT_SCAN
1100 uschar *regex_match_string     = NULL;
1101 #endif
1102 int     remote_delivery_count  = 0;
1103 int     remote_max_parallel    = 2;
1104 uschar *remote_sort_domains    = NULL;
1105 int     retry_data_expire      = 7*24*60*60;
1106 int     retry_interval_max     = 24*60*60;
1107 int     retry_maximum_timeout  = 0;        /* set from retry config */
1108 retry_config  *retries         = NULL;
1109 uschar *return_path            = NULL;
1110 BOOL    return_path_remove     = TRUE;
1111 int     rewrite_existflags     = 0;
1112 uschar *rfc1413_hosts          = US"@[]";
1113 int     rfc1413_query_timeout  = 0;
1114 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1115 uid_t   root_gid               = ROOT_GID;
1116 uid_t   root_uid               = ROOT_UID;
1117
1118 router_instance  *routers  = NULL;
1119 router_instance  router_defaults = {
1120     NULL,                      /* chain pointer */
1121     NULL,                      /* name */
1122     NULL,                      /* info */
1123     NULL,                      /* private options block pointer */
1124     NULL,                      /* driver name */
1125
1126     NULL,                      /* address_data */
1127 #ifdef EXPERIMENTAL_BRIGHTMAIL
1128     NULL,                      /* bmi_rule */
1129 #endif
1130     NULL,                      /* cannot_route_message */
1131     NULL,                      /* condition */
1132     NULL,                      /* current_directory */
1133     NULL,                      /* debug_string */
1134     NULL,                      /* domains */
1135     NULL,                      /* errors_to */
1136     NULL,                      /* expand_gid */
1137     NULL,                      /* expand_uid */
1138     NULL,                      /* expand_more */
1139     NULL,                      /* expand_unseen */
1140     NULL,                      /* extra_headers */
1141     NULL,                      /* fallback_hosts */
1142     NULL,                      /* home_directory */
1143     NULL,                      /* ignore_target_hosts */
1144     NULL,                      /* local_parts */
1145     NULL,                      /* pass_router_name */
1146     NULL,                      /* prefix */
1147     NULL,                      /* redirect_router_name */
1148     NULL,                      /* remove_headers */
1149     NULL,                      /* require_files */
1150     NULL,                      /* router_home_directory */
1151     US"freeze",                /* self */
1152     NULL,                      /* senders */
1153     NULL,                      /* suffix */
1154     NULL,                      /* translate_ip_address */
1155     NULL,                      /* transport_name */
1156
1157     TRUE,                      /* address_test */
1158 #ifdef EXPERIMENTAL_BRIGHTMAIL
1159     FALSE,                     /* bmi_deliver_alternate */
1160     FALSE,                     /* bmi_deliver_default */
1161     FALSE,                     /* bmi_dont_deliver */
1162 #endif
1163     TRUE,                      /* expn */
1164     FALSE,                     /* caseful_local_part */
1165     FALSE,                     /* check_local_user */
1166     FALSE,                     /* disable_logging */
1167     FALSE,                     /* fail_verify_recipient */
1168     FALSE,                     /* fail_verify_sender */
1169     FALSE,                     /* gid_set */
1170     FALSE,                     /* initgroups */
1171     TRUE_UNSET,                /* log_as_local */
1172     TRUE,                      /* more */
1173     FALSE,                     /* pass_on_timeout */
1174     FALSE,                     /* prefix_optional */
1175     TRUE,                      /* repeat_use */
1176     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1177     FALSE,                     /* same_domain_copy_routing */
1178     FALSE,                     /* self_rewrite */
1179     FALSE,                     /* suffix_optional */
1180     FALSE,                     /* verify_only */
1181     TRUE,                      /* verify_recipient */
1182     TRUE,                      /* verify_sender */
1183     FALSE,                     /* uid_set */
1184     FALSE,                     /* unseen */
1185     FALSE,                     /* dsn_lasthop */
1186
1187     self_freeze,               /* self_code */
1188     (uid_t)(-1),               /* uid */
1189     (gid_t)(-1),               /* gid */
1190
1191     NULL,                      /* fallback_hostlist */
1192     NULL,                      /* transport instance */
1193     NULL,                      /* pass_router */
1194     NULL,                      /* redirect_router */
1195
1196     { NULL, NULL },            /* dnssec_domains {require,request} */
1197 };
1198
1199 uschar *router_name            = NULL;
1200
1201 ip_address_item *running_interfaces = NULL;
1202 BOOL    running_in_test_harness = FALSE;
1203
1204 /* This is a weird one. The following string gets patched in the binary by the
1205 script that sets up a copy of Exim for running in the test harness. It seems
1206 that compilers are now clever, and share constant strings if they can.
1207 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1208 make use of the end of this string in order to save space. So the patching then
1209 wrecks this. We defeat this optimization by adding some additional characters
1210 onto the end of the string. */
1211
1212 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1213
1214 int     runrc                  = 0;
1215
1216 uschar *search_error_message   = NULL;
1217 BOOL    search_find_defer      = FALSE;
1218 uschar *self_hostname          = NULL;
1219 uschar *sender_address         = NULL;
1220 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1221 uschar *sender_address_data    = NULL;
1222 BOOL    sender_address_forced  = FALSE;
1223 uschar *sender_address_unrewritten = NULL;
1224 uschar *sender_data            = NULL;
1225 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1226 uschar *sender_fullhost        = NULL;
1227 BOOL    sender_helo_dnssec     = FALSE;
1228 uschar *sender_helo_name       = NULL;
1229 uschar **sender_host_aliases   = &no_aliases;
1230 uschar *sender_host_address    = NULL;
1231 uschar *sender_host_authenticated = NULL;
1232 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1233 BOOL    sender_host_dnssec     = FALSE;
1234 uschar *sender_host_name       = NULL;
1235 int     sender_host_port       = 0;
1236 BOOL    sender_host_notsocket  = FALSE;
1237 BOOL    sender_host_unknown    = FALSE;
1238 uschar *sender_ident           = NULL;
1239 BOOL    sender_local           = FALSE;
1240 BOOL    sender_name_forced     = FALSE;
1241 uschar *sender_rate            = NULL;
1242 uschar *sender_rate_limit      = NULL;
1243 uschar *sender_rate_period     = NULL;
1244 uschar *sender_rcvhost         = NULL;
1245 BOOL    sender_set_untrusted   = FALSE;
1246 uschar *sender_unqualified_hosts = NULL;
1247 uschar *sender_verify_failure = NULL;
1248 address_item *sender_verified_list  = NULL;
1249 address_item *sender_verified_failed = NULL;
1250 int     sender_verified_rc     = -1;
1251 BOOL    sender_verified_responded = FALSE;
1252 uschar *sending_ip_address     = NULL;
1253 int     sending_port           = -1;
1254 SIGNAL_BOOL sigalrm_seen       = FALSE;
1255 uschar **sighup_argv           = NULL;
1256 int     slow_lookup_log        = 0;     /* millisecs, zero disables */
1257 int     smtp_accept_count      = 0;
1258 BOOL    smtp_accept_keepalive  = TRUE;
1259 int     smtp_accept_max        = 20;
1260 int     smtp_accept_max_nonmail= 10;
1261 uschar *smtp_accept_max_nonmail_hosts = US"*";
1262 int     smtp_accept_max_per_connection = 1000;
1263 uschar *smtp_accept_max_per_host = NULL;
1264 int     smtp_accept_queue      = 0;
1265 int     smtp_accept_queue_per_connection = 10;
1266 int     smtp_accept_reserve    = 0;
1267 uschar *smtp_active_hostname   = NULL;
1268 BOOL    smtp_authenticated     = FALSE;
1269 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1270                              "Exim $version_number $tod_full"
1271                              "\0<---------------Space to patch smtp_banner->";
1272 BOOL    smtp_batched_input     = FALSE;
1273 BOOL    smtp_check_spool_space = TRUE;
1274 int     smtp_ch_index          = 0;
1275 uschar *smtp_cmd_argument      = NULL;
1276 uschar *smtp_cmd_buffer        = NULL;
1277 time_t  smtp_connection_start  = 0;
1278 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1279 int     smtp_connect_backlog   = 20;
1280 double  smtp_delay_mail        = 0.0;
1281 double  smtp_delay_rcpt        = 0.0;
1282 BOOL    smtp_enforce_sync      = TRUE;
1283 FILE   *smtp_in                = NULL;
1284 BOOL    smtp_input             = FALSE;
1285 int     smtp_load_reserve      = -1;
1286 int     smtp_mailcmd_count     = 0;
1287 FILE   *smtp_out               = NULL;
1288 uschar *smtp_etrn_command      = NULL;
1289 BOOL    smtp_etrn_serialize    = TRUE;
1290 int     smtp_max_synprot_errors= 3;
1291 int     smtp_max_unknown_commands = 3;
1292 uschar *smtp_notquit_reason    = NULL;
1293 uschar *smtp_ratelimit_hosts   = NULL;
1294 uschar *smtp_ratelimit_mail    = NULL;
1295 uschar *smtp_ratelimit_rcpt    = NULL;
1296 uschar *smtp_read_error        = US"";
1297 int     smtp_receive_timeout   = 5*60;
1298 uschar *smtp_receive_timeout_s = NULL;
1299 uschar *smtp_reserve_hosts     = NULL;
1300 BOOL    smtp_return_error_details = FALSE;
1301 int     smtp_rlm_base          = 0;
1302 double  smtp_rlm_factor        = 0.0;
1303 int     smtp_rlm_limit         = 0;
1304 int     smtp_rlm_threshold     = INT_MAX;
1305 int     smtp_rlr_base          = 0;
1306 double  smtp_rlr_factor        = 0.0;
1307 int     smtp_rlr_limit         = 0;
1308 int     smtp_rlr_threshold     = INT_MAX;
1309 BOOL    smtp_use_pipelining    = FALSE;
1310 BOOL    smtp_use_size          = FALSE;
1311 #ifdef EXPERIMENTAL_INTERNATIONAL
1312 uschar *smtputf8_advertise_hosts = US"*";       /* overridden under test-harness */
1313 #endif
1314
1315 #ifdef WITH_CONTENT_SCAN
1316 uschar *spamd_address          = US"127.0.0.1 783";
1317 uschar *spam_bar               = NULL;
1318 uschar *spam_report            = NULL;
1319 uschar *spam_action            = NULL;
1320 uschar *spam_score             = NULL;
1321 uschar *spam_score_int         = NULL;
1322 #endif
1323 #ifdef EXPERIMENTAL_SPF
1324 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1325 uschar *spf_header_comment     = NULL;
1326 uschar *spf_received           = NULL;
1327 uschar *spf_result             = NULL;
1328 uschar *spf_smtp_comment       = NULL;
1329 #endif
1330
1331 BOOL    split_spool_directory  = FALSE;
1332 uschar *spool_directory        = US SPOOL_DIRECTORY
1333                            "\0<--------------Space to patch spool_directory->";
1334 #ifdef EXPERIMENTAL_SRS
1335 uschar *srs_config             = NULL;
1336 uschar *srs_db_address         = NULL;
1337 uschar *srs_db_key             = NULL;
1338 int     srs_hashlength         = 6;
1339 int     srs_hashmin            = -1;
1340 int     srs_maxage             = 31;
1341 uschar *srs_orig_recipient     = NULL;
1342 uschar *srs_orig_sender        = NULL;
1343 uschar *srs_recipient          = NULL;
1344 uschar *srs_secrets            = NULL;
1345 uschar *srs_status             = NULL;
1346 BOOL    srs_usehash            = TRUE;
1347 BOOL    srs_usetimestamp       = TRUE;
1348 #endif
1349 BOOL    strict_acl_vars        = FALSE;
1350 int     string_datestamp_offset= -1;
1351 int     string_datestamp_length= 0;
1352 int     string_datestamp_type  = -1;
1353 BOOL    strip_excess_angle_brackets = FALSE;
1354 BOOL    strip_trailing_dot     = FALSE;
1355 uschar *submission_domain      = NULL;
1356 BOOL    submission_mode        = FALSE;
1357 uschar *submission_name        = NULL;
1358 BOOL    suppress_local_fixups  = FALSE;
1359 BOOL    suppress_local_fixups_default = FALSE;
1360 BOOL    synchronous_delivery   = FALSE;
1361 BOOL    syslog_duplication     = TRUE;
1362 int     syslog_facility        = LOG_MAIL;
1363 uschar *syslog_processname     = US"exim";
1364 BOOL    syslog_timestamp       = TRUE;
1365 uschar *system_filter          = NULL;
1366
1367 uschar *system_filter_directory_transport = NULL;
1368 uschar *system_filter_file_transport = NULL;
1369 uschar *system_filter_pipe_transport = NULL;
1370 uschar *system_filter_reply_transport = NULL;
1371
1372 gid_t   system_filter_gid      = 0;
1373 BOOL    system_filter_gid_set  = FALSE;
1374 uid_t   system_filter_uid      = (uid_t)-1;
1375 BOOL    system_filter_uid_set  = FALSE;
1376 BOOL    system_filtering       = FALSE;
1377
1378 BOOL    tcp_nodelay            = TRUE;
1379 #ifdef USE_TCP_WRAPPERS
1380 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1381 #endif
1382 int     test_harness_load_avg  = 0;
1383 int     thismessage_size_limit = 0;
1384 int     timeout_frozen_after   = 0;
1385 BOOL    timestamps_utc         = FALSE;
1386
1387 transport_instance  *transports = NULL;
1388
1389 transport_instance  transport_defaults = {
1390     NULL,                     /* chain pointer */
1391     NULL,                     /* name */
1392     NULL,                     /* info */
1393     NULL,                     /* private options block pointer */
1394     NULL,                     /* driver name */
1395     NULL,                     /* setup entry point */
1396     1,                        /* batch_max */
1397     NULL,                     /* batch_id */
1398     NULL,                     /* home_dir */
1399     NULL,                     /* current_dir */
1400     NULL,                     /* expand-multi-domain */
1401     TRUE,                     /* multi-domain */
1402     FALSE,                    /* overrides_hosts */
1403     100,                      /* max_addresses */
1404     500,                      /* connection_max_messages */
1405     FALSE,                    /* deliver_as_creator */
1406     FALSE,                    /* disable_logging */
1407     FALSE,                    /* initgroups */
1408     FALSE,                    /* uid_set */
1409     FALSE,                    /* gid_set */
1410     (uid_t)(-1),              /* uid */
1411     (gid_t)(-1),              /* gid */
1412     NULL,                     /* expand_uid */
1413     NULL,                     /* expand_gid */
1414     NULL,                     /* warn_message */
1415     NULL,                     /* shadow */
1416     NULL,                     /* shadow_condition */
1417     NULL,                     /* filter_command */
1418     NULL,                     /* add_headers */
1419     NULL,                     /* remove_headers */
1420     NULL,                     /* return_path */
1421     NULL,                     /* debug_string */
1422     NULL,                     /* message_size_limit */
1423     NULL,                     /* headers_rewrite */
1424     NULL,                     /* rewrite_rules */
1425     0,                        /* rewrite_existflags */
1426     300,                      /* filter_timeout */
1427     FALSE,                    /* body_only */
1428     FALSE,                    /* delivery_date_add */
1429     FALSE,                    /* envelope_to_add */
1430     FALSE,                    /* headers_only */
1431     FALSE,                    /* rcpt_include_affixes */
1432     FALSE,                    /* return_path_add */
1433     FALSE,                    /* return_output */
1434     FALSE,                    /* return_fail_output */
1435     FALSE,                    /* log_output */
1436     FALSE,                    /* log_fail_output */
1437     FALSE,                    /* log_defer_output */
1438     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1439                                  1 nor 0 so can detect unset */
1440 #ifdef EXPERIMENTAL_EVENT
1441    ,NULL                      /* event_action */
1442 #endif
1443 };
1444
1445 int     transport_count;
1446 uschar *transport_name          = NULL;
1447 int     transport_newlines;
1448 const uschar **transport_filter_argv  = NULL;
1449 int     transport_filter_timeout;
1450 BOOL    transport_filter_timed_out = FALSE;
1451 int     transport_write_timeout= 0;
1452
1453 tree_node  *tree_dns_fails     = NULL;
1454 tree_node  *tree_duplicates    = NULL;
1455 tree_node  *tree_nonrecipients = NULL;
1456 tree_node  *tree_unusable      = NULL;
1457
1458 BOOL    trusted_caller         = FALSE;
1459 BOOL    trusted_config         = TRUE;
1460 gid_t  *trusted_groups         = NULL;
1461 uid_t  *trusted_users          = NULL;
1462 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1463
1464 uschar *unknown_login          = NULL;
1465 uschar *unknown_username       = NULL;
1466 uschar *untrusted_set_sender   = NULL;
1467
1468 /*  A regex for matching a "From_" line in an incoming message, in the form
1469
1470     From ph10 Fri Jan  5 12:35 GMT 1996
1471
1472 which  the "mail" commands send to the MTA (undocumented, of course), or in
1473 the  form
1474
1475     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1476
1477 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1478 Because  of variations in time formats, just match up to the minutes. That
1479 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1480 so  just require one digit for hours and minutes. The weekday is also absent
1481 in  some forms. */
1482
1483 uschar *uucp_from_pattern      = US
1484    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1485    "(?:"                                          /* Non-extracting bracket */
1486    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1487    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1488    ")"                                            /* End alternation */
1489    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1490
1491 uschar *uucp_from_sender       = US"$1";
1492
1493 uschar *verify_mode            = NULL;
1494 uschar *version_copyright      =
1495  US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1496    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1497 uschar *version_date           = US"?";
1498 uschar *version_cnumber        = US"????";
1499 uschar *version_string         = US"?";
1500
1501 uschar *warn_message_file      = NULL;
1502 int     warning_count          = 0;
1503 uschar *warnmsg_delay          = NULL;
1504 uschar *warnmsg_recipients     = NULL;
1505 BOOL    write_rejectlog        = TRUE;
1506
1507
1508 /*  End of globals.c */