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_queue_run,
 831   Li_rejected_header,
 832   Li_retry_defer,
 833   Li_sender_verify_fail,
 834   Li_size_reject,
 835   Li_skip_delivery,
 836   Li_smtp_confirmation,
 837   Li_tls_certificate_verified,
 838   Li_tls_cipher,
 839   -1
 840 };
 841
 842 uschar *log_file_path          = US LOG_FILE_PATH
 843                            "\0<--------------Space to patch log_file_path->";
 844
 845 int     log_notall[]           = {
 846   -1
 847 };
 848 bit_table log_options[]        = { /* must be in alphabetical order */
 849   BIT_TABLE(L, 8bitmime),
 850   BIT_TABLE(L, acl_warn_skipped),
 851   BIT_TABLE(L, address_rewrite),
 852   BIT_TABLE(L, all),
 853   BIT_TABLE(L, all_parents),
 854   BIT_TABLE(L, arguments),
 855   BIT_TABLE(L, connection_reject),
 856   BIT_TABLE(L, delay_delivery),
 857   BIT_TABLE(L, deliver_time),
 858   BIT_TABLE(L, delivery_size),
 859   BIT_TABLE(L, dnslist_defer),
 860   BIT_TABLE(L, etrn),
 861   BIT_TABLE(L, host_lookup_failed),
 862   BIT_TABLE(L, ident_timeout),
 863   BIT_TABLE(L, incoming_interface),
 864   BIT_TABLE(L, incoming_port),
 865   BIT_TABLE(L, lost_incoming_connection),
 866   BIT_TABLE(L, outgoing_port),
 867   BIT_TABLE(L, pid),
 868 #ifdef EXPERIMENTAL_PROXY
 869   BIT_TABLE(L, proxy),
 870 #endif
 871   BIT_TABLE(L, queue_run),
 872   BIT_TABLE(L, queue_time),
 873   BIT_TABLE(L, queue_time_overall),
 874   BIT_TABLE(L, received_recipients),
 875   BIT_TABLE(L, received_sender),
 876   BIT_TABLE(L, rejected_header),
 877   { US"rejected_headers", Li_rejected_header },
 878   BIT_TABLE(L, retry_defer),
 879   BIT_TABLE(L, return_path_on_delivery),
 880   BIT_TABLE(L, sender_on_delivery),
 881   BIT_TABLE(L, sender_verify_fail),
 882   BIT_TABLE(L, size_reject),
 883   BIT_TABLE(L, skip_delivery),
 884   BIT_TABLE(L, smtp_confirmation),
 885   BIT_TABLE(L, smtp_connection),
 886   BIT_TABLE(L, smtp_incomplete_transaction),
 887   BIT_TABLE(L, smtp_mailauth),
 888   BIT_TABLE(L, smtp_no_mail),
 889   BIT_TABLE(L, smtp_protocol_error),
 890   BIT_TABLE(L, smtp_syntax_error),
 891   BIT_TABLE(L, subject),
 892   BIT_TABLE(L, tls_certificate_verified),
 893   BIT_TABLE(L, tls_cipher),
 894   BIT_TABLE(L, tls_peerdn),
 895   BIT_TABLE(L, tls_sni),
 896   BIT_TABLE(L, unknown_in_list),
 897 };
 898 int     log_options_count      = nelem(log_options);
 899
 900 int     log_reject_target      = 0;
 901 unsigned int log_selector[log_selector_size]; /* initialized in main() */
 902 uschar *log_selector_string    = NULL;
 903 FILE   *log_stderr             = NULL;
 904 BOOL    log_testing_mode       = FALSE;
 905 BOOL    log_timezone           = FALSE;
 906 uschar *login_sender_address   = NULL;
 907 uschar *lookup_dnssec_authenticated = NULL;
 908 int     lookup_open_max        = 25;
 909 uschar *lookup_value           = NULL;
 910
 911 macro_item  *macros            = NULL;
 912 uschar *mailstore_basename     = NULL;
 913 #ifdef WITH_CONTENT_SCAN
 914 uschar *malware_name           = NULL;  /* Virus Name */
 915 #endif
 916 int     max_received_linelength= 0;
 917 int     max_username_length    = 0;
 918 int     message_age            = 0;
 919 uschar *message_body           = NULL;
 920 uschar *message_body_end       = NULL;
 921 BOOL    message_body_newlines  = FALSE;
 922 int     message_body_size      = 0;
 923 int     message_body_visible   = 500;
 924 int     message_ended          = END_NOTSTARTED;
 925 uschar *message_headers        = NULL;
 926 uschar *message_id;
 927 uschar *message_id_domain      = NULL;
 928 uschar *message_id_text        = NULL;
 929 struct timeval message_id_tv   = { 0, 0 };
 930 uschar  message_id_option[MESSAGE_ID_LENGTH + 3];
 931 uschar *message_id_external;
 932 int     message_linecount      = 0;
 933 BOOL    message_logs           = TRUE;
 934 int     message_size           = 0;
 935 uschar *message_size_limit     = US"50M";
 936 #ifdef EXPERIMENTAL_INTERNATIONAL
 937 BOOL    message_smtputf8       = FALSE;
 938 int     message_utf8_downconvert = 0;   /* -1 ifneeded; 0 never; 1 always */
 939 #endif
 940 uschar  message_subdir[2]      = { 0, 0 };
 941 uschar *message_reference      = NULL;
 942
 943 /* MIME ACL expandables */
 944 #ifdef WITH_CONTENT_SCAN
 945 int     mime_anomaly_level     = 0;
 946 const uschar *mime_anomaly_text      = NULL;
 947 uschar *mime_boundary          = NULL;
 948 uschar *mime_charset           = NULL;
 949 uschar *mime_content_description = NULL;
 950 uschar *mime_content_disposition = NULL;
 951 uschar *mime_content_id        = NULL;
 952 unsigned int mime_content_size = 0;
 953 uschar *mime_content_transfer_encoding = NULL;
 954 uschar *mime_content_type      = NULL;
 955 uschar *mime_decoded_filename  = NULL;
 956 uschar *mime_filename          = NULL;
 957 int     mime_is_multipart      = 0;
 958 int     mime_is_coverletter    = 0;
 959 int     mime_is_rfc822         = 0;
 960 int     mime_part_count        = -1;
 961 #endif
 962
 963 BOOL    mua_wrapper            = FALSE;
 964
 965 uid_t  *never_users            = NULL;
 966 #ifdef WITH_CONTENT_SCAN
 967 BOOL    no_mbox_unspool        = FALSE;
 968 #endif
 969 BOOL    no_multiline_responses = FALSE;
 970
 971 uid_t   original_euid;
 972 gid_t   originator_gid;
 973 uschar *originator_login       = NULL;
 974 uschar *originator_name        = NULL;
 975 uid_t   originator_uid;
 976 uschar *override_local_interfaces = NULL;
 977 uschar *override_pid_file_path = NULL;
 978
 979 BOOL    parse_allow_group      = FALSE;
 980 BOOL    parse_found_group      = FALSE;
 981 uschar *percent_hack_domains   = NULL;
 982 uschar *pid_file_path          = US PID_FILE_PATH
 983                            "\0<--------------Space to patch pid_file_path->";
 984 BOOL    pipelining_enable      = TRUE;
 985 uschar *pipelining_advertise_hosts = US"*";
 986 BOOL    preserve_message_logs  = FALSE;
 987 uschar *primary_hostname       = NULL;
 988 BOOL    print_topbitchars      = FALSE;
 989 uschar  process_info[PROCESS_INFO_SIZE];
 990 int     process_info_len       = 0;
 991 uschar *process_log_path       = NULL;
 992 BOOL    prod_requires_admin    = TRUE;
 993
 994 #ifdef EXPERIMENTAL_PROXY
 995 uschar *proxy_host_address     = US"";
 996 int     proxy_host_port        = 0;
 997 uschar *proxy_required_hosts   = US"";
 998 BOOL    proxy_session          = FALSE;
 999 BOOL    proxy_session_failed   = FALSE;
1000 uschar *proxy_target_address   = US"";
1001 int     proxy_target_port      = 0;
1002 #endif
1003
1004 uschar *prvscheck_address      = NULL;
1005 uschar *prvscheck_keynum       = NULL;
1006 uschar *prvscheck_result       = NULL;
1007
1008
1009 const uschar *qualify_domain_recipient = NULL;
1010 uschar *qualify_domain_sender  = NULL;
1011 BOOL    queue_2stage           = FALSE;
1012 uschar *queue_domains          = NULL;
1013 int     queue_interval         = -1;
1014 BOOL    queue_list_requires_admin = TRUE;
1015 BOOL    queue_only             = FALSE;
1016 uschar *queue_only_file        = NULL;
1017 int     queue_only_load        = -1;
1018 BOOL    queue_only_load_latch  = TRUE;
1019 BOOL    queue_only_override    = TRUE;
1020 BOOL    queue_only_policy      = FALSE;
1021 BOOL    queue_run_first_delivery = FALSE;
1022 BOOL    queue_run_force        = FALSE;
1023 BOOL    queue_run_in_order     = FALSE;
1024 BOOL    queue_run_local        = FALSE;
1025 int     queue_run_max          = 5;
1026 pid_t   queue_run_pid          = (pid_t)0;
1027 int     queue_run_pipe         = -1;
1028 BOOL    queue_running          = FALSE;
1029 BOOL    queue_smtp             = FALSE;
1030 uschar *queue_smtp_domains     = NULL;
1031
1032 unsigned int random_seed       = 0;
1033 tree_node *ratelimiters_cmd    = NULL;
1034 tree_node *ratelimiters_conn   = NULL;
1035 tree_node *ratelimiters_mail   = NULL;
1036 uschar *raw_active_hostname    = NULL;
1037 uschar *raw_sender             = NULL;
1038 uschar **raw_recipients        = NULL;
1039 int     raw_recipients_count   = 0;
1040
1041 int     rcpt_count             = 0;
1042 int     rcpt_fail_count        = 0;
1043 int     rcpt_defer_count       = 0;
1044 gid_t   real_gid;
1045 uid_t   real_uid;
1046 BOOL    really_exim            = TRUE;
1047 BOOL    receive_call_bombout   = FALSE;
1048 int     receive_linecount      = 0;
1049 int     receive_messagecount   = 0;
1050 int     receive_timeout        = 0;
1051 int     received_count         = 0;
1052 uschar *received_for           = NULL;
1053
1054 /*  This is the default text for Received headers generated by Exim. The
1055 date  will be automatically added on the end. */
1056
1057 uschar *received_header_text   = US
1058      "Received: "
1059      "${if def:sender_rcvhost {from $sender_rcvhost\n\t}"
1060      "{${if def:sender_ident {from ${quote_local_part:$sender_ident} }}"
1061      "${if def:sender_helo_name {(helo=$sender_helo_name)\n\t}}}}"
1062      "by $primary_hostname "
1063      "${if def:received_protocol {with $received_protocol}} "
1064      #ifdef SUPPORT_TLS
1065      "${if def:tls_cipher {($tls_cipher)\n\t}}"
1066      #endif
1067      "(Exim $version_number)\n\t"
1068      "${if def:sender_address {(envelope-from <$sender_address>)\n\t}}"
1069      "id $message_exim_id"
1070      "${if def:received_for {\n\tfor $received_for}}"
1071      "\0<---------------Space to patch received_header_text->";
1072
1073 int     received_headers_max   = 30;
1074 uschar *received_protocol      = NULL;
1075 int     received_time          = 0;
1076 uschar *recipient_data         = NULL;
1077 uschar *recipient_unqualified_hosts = NULL;
1078 uschar *recipient_verify_failure = NULL;
1079 int     recipients_count       = 0;
1080 BOOL    recipients_discarded   = FALSE;
1081 recipient_item  *recipients_list = NULL;
1082 int     recipients_list_max    = 0;
1083 int     recipients_max         = 0;
1084 BOOL    recipients_max_reject  = FALSE;
1085 const pcre *regex_AUTH         = NULL;
1086 const pcre *regex_check_dns_names = NULL;
1087 const pcre *regex_From         = NULL;
1088 const pcre *regex_IGNOREQUOTA  = NULL;
1089 const pcre *regex_PIPELINING   = NULL;
1090 const pcre *regex_SIZE         = NULL;
1091 const pcre *regex_smtp_code    = NULL;
1092 const pcre *regex_ismsgid      = NULL;
1093 #ifdef WHITELIST_D_MACROS
1094 const pcre *regex_whitelisted_macro = NULL;
1095 #endif
1096 #ifdef WITH_CONTENT_SCAN
1097 uschar *regex_match_string     = NULL;
1098 #endif
1099 int     remote_delivery_count  = 0;
1100 int     remote_max_parallel    = 2;
1101 uschar *remote_sort_domains    = NULL;
1102 int     retry_data_expire      = 7*24*60*60;
1103 int     retry_interval_max     = 24*60*60;
1104 int     retry_maximum_timeout  = 0;        /* set from retry config */
1105 retry_config  *retries         = NULL;
1106 uschar *return_path            = NULL;
1107 BOOL    return_path_remove     = TRUE;
1108 int     rewrite_existflags     = 0;
1109 uschar *rfc1413_hosts          = US"@[]";
1110 int     rfc1413_query_timeout  = 0;
1111 /* BOOL    rfc821_domains         = FALSE;  <<< on the way out */
1112 uid_t   root_gid               = ROOT_GID;
1113 uid_t   root_uid               = ROOT_UID;
1114
1115 router_instance  *routers  = NULL;
1116 router_instance  router_defaults = {
1117     NULL,                      /* chain pointer */
1118     NULL,                      /* name */
1119     NULL,                      /* info */
1120     NULL,                      /* private options block pointer */
1121     NULL,                      /* driver name */
1122
1123     NULL,                      /* address_data */
1124 #ifdef EXPERIMENTAL_BRIGHTMAIL
1125     NULL,                      /* bmi_rule */
1126 #endif
1127     NULL,                      /* cannot_route_message */
1128     NULL,                      /* condition */
1129     NULL,                      /* current_directory */
1130     NULL,                      /* debug_string */
1131     NULL,                      /* domains */
1132     NULL,                      /* errors_to */
1133     NULL,                      /* expand_gid */
1134     NULL,                      /* expand_uid */
1135     NULL,                      /* expand_more */
1136     NULL,                      /* expand_unseen */
1137     NULL,                      /* extra_headers */
1138     NULL,                      /* fallback_hosts */
1139     NULL,                      /* home_directory */
1140     NULL,                      /* ignore_target_hosts */
1141     NULL,                      /* local_parts */
1142     NULL,                      /* pass_router_name */
1143     NULL,                      /* prefix */
1144     NULL,                      /* redirect_router_name */
1145     NULL,                      /* remove_headers */
1146     NULL,                      /* require_files */
1147     NULL,                      /* router_home_directory */
1148     US"freeze",                /* self */
1149     NULL,                      /* senders */
1150     NULL,                      /* suffix */
1151     NULL,                      /* translate_ip_address */
1152     NULL,                      /* transport_name */
1153
1154     TRUE,                      /* address_test */
1155 #ifdef EXPERIMENTAL_BRIGHTMAIL
1156     FALSE,                     /* bmi_deliver_alternate */
1157     FALSE,                     /* bmi_deliver_default */
1158     FALSE,                     /* bmi_dont_deliver */
1159 #endif
1160     TRUE,                      /* expn */
1161     FALSE,                     /* caseful_local_part */
1162     FALSE,                     /* check_local_user */
1163     FALSE,                     /* disable_logging */
1164     FALSE,                     /* fail_verify_recipient */
1165     FALSE,                     /* fail_verify_sender */
1166     FALSE,                     /* gid_set */
1167     FALSE,                     /* initgroups */
1168     TRUE_UNSET,                /* log_as_local */
1169     TRUE,                      /* more */
1170     FALSE,                     /* pass_on_timeout */
1171     FALSE,                     /* prefix_optional */
1172     TRUE,                      /* repeat_use */
1173     TRUE_UNSET,                /* retry_use_local_part - fudge "unset" */
1174     FALSE,                     /* same_domain_copy_routing */
1175     FALSE,                     /* self_rewrite */
1176     FALSE,                     /* suffix_optional */
1177     FALSE,                     /* verify_only */
1178     TRUE,                      /* verify_recipient */
1179     TRUE,                      /* verify_sender */
1180     FALSE,                     /* uid_set */
1181     FALSE,                     /* unseen */
1182     FALSE,                     /* dsn_lasthop */
1183
1184     self_freeze,               /* self_code */
1185     (uid_t)(-1),               /* uid */
1186     (gid_t)(-1),               /* gid */
1187
1188     NULL,                      /* fallback_hostlist */
1189     NULL,                      /* transport instance */
1190     NULL,                      /* pass_router */
1191     NULL,                      /* redirect_router */
1192
1193     { NULL, NULL },            /* dnssec_domains {require,request} */
1194 };
1195
1196 uschar *router_name            = NULL;
1197
1198 ip_address_item *running_interfaces = NULL;
1199 BOOL    running_in_test_harness = FALSE;
1200
1201 /* This is a weird one. The following string gets patched in the binary by the
1202 script that sets up a copy of Exim for running in the test harness. It seems
1203 that compilers are now clever, and share constant strings if they can.
1204 Elsewhere in Exim the string "<" is used. The compiler optimization seems to
1205 make use of the end of this string in order to save space. So the patching then
1206 wrecks this. We defeat this optimization by adding some additional characters
1207 onto the end of the string. */
1208
1209 uschar *running_status         = US">>>running<<<" "\0EXTRA";
1210
1211 int     runrc                  = 0;
1212
1213 uschar *search_error_message   = NULL;
1214 BOOL    search_find_defer      = FALSE;
1215 uschar *self_hostname          = NULL;
1216 uschar *sender_address         = NULL;
1217 unsigned int sender_address_cache[(MAX_NAMED_LIST * 2)/32];
1218 uschar *sender_address_data    = NULL;
1219 BOOL    sender_address_forced  = FALSE;
1220 uschar *sender_address_unrewritten = NULL;
1221 uschar *sender_data            = NULL;
1222 unsigned int sender_domain_cache[(MAX_NAMED_LIST * 2)/32];
1223 uschar *sender_fullhost        = NULL;
1224 BOOL    sender_helo_dnssec     = FALSE;
1225 uschar *sender_helo_name       = NULL;
1226 uschar **sender_host_aliases   = &no_aliases;
1227 uschar *sender_host_address    = NULL;
1228 uschar *sender_host_authenticated = NULL;
1229 unsigned int sender_host_cache[(MAX_NAMED_LIST * 2)/32];
1230 BOOL    sender_host_dnssec     = FALSE;
1231 uschar *sender_host_name       = NULL;
1232 int     sender_host_port       = 0;
1233 BOOL    sender_host_notsocket  = FALSE;
1234 BOOL    sender_host_unknown    = FALSE;
1235 uschar *sender_ident           = NULL;
1236 BOOL    sender_local           = FALSE;
1237 BOOL    sender_name_forced     = FALSE;
1238 uschar *sender_rate            = NULL;
1239 uschar *sender_rate_limit      = NULL;
1240 uschar *sender_rate_period     = NULL;
1241 uschar *sender_rcvhost         = NULL;
1242 BOOL    sender_set_untrusted   = FALSE;
1243 uschar *sender_unqualified_hosts = NULL;
1244 uschar *sender_verify_failure = NULL;
1245 address_item *sender_verified_list  = NULL;
1246 address_item *sender_verified_failed = NULL;
1247 int     sender_verified_rc     = -1;
1248 BOOL    sender_verified_responded = FALSE;
1249 uschar *sending_ip_address     = NULL;
1250 int     sending_port           = -1;
1251 SIGNAL_BOOL sigalrm_seen       = FALSE;
1252 uschar **sighup_argv           = NULL;
1253 int     slow_lookup_log        = 0;     /* millisecs, zero disables */
1254 int     smtp_accept_count      = 0;
1255 BOOL    smtp_accept_keepalive  = TRUE;
1256 int     smtp_accept_max        = 20;
1257 int     smtp_accept_max_nonmail= 10;
1258 uschar *smtp_accept_max_nonmail_hosts = US"*";
1259 int     smtp_accept_max_per_connection = 1000;
1260 uschar *smtp_accept_max_per_host = NULL;
1261 int     smtp_accept_queue      = 0;
1262 int     smtp_accept_queue_per_connection = 10;
1263 int     smtp_accept_reserve    = 0;
1264 uschar *smtp_active_hostname   = NULL;
1265 BOOL    smtp_authenticated     = FALSE;
1266 uschar *smtp_banner            = US"$smtp_active_hostname ESMTP "
1267                              "Exim $version_number $tod_full"
1268                              "\0<---------------Space to patch smtp_banner->";
1269 BOOL    smtp_batched_input     = FALSE;
1270 BOOL    smtp_check_spool_space = TRUE;
1271 int     smtp_ch_index          = 0;
1272 uschar *smtp_cmd_argument      = NULL;
1273 uschar *smtp_cmd_buffer        = NULL;
1274 time_t  smtp_connection_start  = 0;
1275 uschar  smtp_connection_had[SMTP_HBUFF_SIZE];
1276 int     smtp_connect_backlog   = 20;
1277 double  smtp_delay_mail        = 0.0;
1278 double  smtp_delay_rcpt        = 0.0;
1279 BOOL    smtp_enforce_sync      = TRUE;
1280 FILE   *smtp_in                = NULL;
1281 BOOL    smtp_input             = FALSE;
1282 int     smtp_load_reserve      = -1;
1283 int     smtp_mailcmd_count     = 0;
1284 FILE   *smtp_out               = NULL;
1285 uschar *smtp_etrn_command      = NULL;
1286 BOOL    smtp_etrn_serialize    = TRUE;
1287 int     smtp_max_synprot_errors= 3;
1288 int     smtp_max_unknown_commands = 3;
1289 uschar *smtp_notquit_reason    = NULL;
1290 uschar *smtp_ratelimit_hosts   = NULL;
1291 uschar *smtp_ratelimit_mail    = NULL;
1292 uschar *smtp_ratelimit_rcpt    = NULL;
1293 uschar *smtp_read_error        = US"";
1294 int     smtp_receive_timeout   = 5*60;
1295 uschar *smtp_receive_timeout_s = NULL;
1296 uschar *smtp_reserve_hosts     = NULL;
1297 BOOL    smtp_return_error_details = FALSE;
1298 int     smtp_rlm_base          = 0;
1299 double  smtp_rlm_factor        = 0.0;
1300 int     smtp_rlm_limit         = 0;
1301 int     smtp_rlm_threshold     = INT_MAX;
1302 int     smtp_rlr_base          = 0;
1303 double  smtp_rlr_factor        = 0.0;
1304 int     smtp_rlr_limit         = 0;
1305 int     smtp_rlr_threshold     = INT_MAX;
1306 BOOL    smtp_use_pipelining    = FALSE;
1307 BOOL    smtp_use_size          = FALSE;
1308 #ifdef EXPERIMENTAL_INTERNATIONAL
1309 uschar *smtputf8_advertise_hosts = US"*";       /* overridden under test-harness */
1310 #endif
1311
1312 #ifdef WITH_CONTENT_SCAN
1313 uschar *spamd_address          = US"127.0.0.1 783";
1314 uschar *spam_bar               = NULL;
1315 uschar *spam_report            = NULL;
1316 uschar *spam_action            = NULL;
1317 uschar *spam_score             = NULL;
1318 uschar *spam_score_int         = NULL;
1319 #endif
1320 #ifdef EXPERIMENTAL_SPF
1321 uschar *spf_guess              = US"v=spf1 a/24 mx/24 ptr ?all";
1322 uschar *spf_header_comment     = NULL;
1323 uschar *spf_received           = NULL;
1324 uschar *spf_result             = NULL;
1325 uschar *spf_smtp_comment       = NULL;
1326 #endif
1327
1328 BOOL    split_spool_directory  = FALSE;
1329 uschar *spool_directory        = US SPOOL_DIRECTORY
1330                            "\0<--------------Space to patch spool_directory->";
1331 #ifdef EXPERIMENTAL_SRS
1332 uschar *srs_config             = NULL;
1333 uschar *srs_db_address         = NULL;
1334 uschar *srs_db_key             = NULL;
1335 int     srs_hashlength         = 6;
1336 int     srs_hashmin            = -1;
1337 int     srs_maxage             = 31;
1338 uschar *srs_orig_recipient     = NULL;
1339 uschar *srs_orig_sender        = NULL;
1340 uschar *srs_recipient          = NULL;
1341 uschar *srs_secrets            = NULL;
1342 uschar *srs_status             = NULL;
1343 BOOL    srs_usehash            = TRUE;
1344 BOOL    srs_usetimestamp       = TRUE;
1345 #endif
1346 BOOL    strict_acl_vars        = FALSE;
1347 int     string_datestamp_offset= -1;
1348 int     string_datestamp_length= 0;
1349 int     string_datestamp_type  = -1;
1350 BOOL    strip_excess_angle_brackets = FALSE;
1351 BOOL    strip_trailing_dot     = FALSE;
1352 uschar *submission_domain      = NULL;
1353 BOOL    submission_mode        = FALSE;
1354 uschar *submission_name        = NULL;
1355 BOOL    suppress_local_fixups  = FALSE;
1356 BOOL    suppress_local_fixups_default = FALSE;
1357 BOOL    synchronous_delivery   = FALSE;
1358 BOOL    syslog_duplication     = TRUE;
1359 int     syslog_facility        = LOG_MAIL;
1360 uschar *syslog_processname     = US"exim";
1361 BOOL    syslog_timestamp       = TRUE;
1362 uschar *system_filter          = NULL;
1363
1364 uschar *system_filter_directory_transport = NULL;
1365 uschar *system_filter_file_transport = NULL;
1366 uschar *system_filter_pipe_transport = NULL;
1367 uschar *system_filter_reply_transport = NULL;
1368
1369 gid_t   system_filter_gid      = 0;
1370 BOOL    system_filter_gid_set  = FALSE;
1371 uid_t   system_filter_uid      = (uid_t)-1;
1372 BOOL    system_filter_uid_set  = FALSE;
1373 BOOL    system_filtering       = FALSE;
1374
1375 BOOL    tcp_nodelay            = TRUE;
1376 #ifdef USE_TCP_WRAPPERS
1377 uschar *tcp_wrappers_daemon_name = US TCP_WRAPPERS_DAEMON_NAME;
1378 #endif
1379 int     test_harness_load_avg  = 0;
1380 int     thismessage_size_limit = 0;
1381 int     timeout_frozen_after   = 0;
1382 BOOL    timestamps_utc         = FALSE;
1383
1384 transport_instance  *transports = NULL;
1385
1386 transport_instance  transport_defaults = {
1387     NULL,                     /* chain pointer */
1388     NULL,                     /* name */
1389     NULL,                     /* info */
1390     NULL,                     /* private options block pointer */
1391     NULL,                     /* driver name */
1392     NULL,                     /* setup entry point */
1393     1,                        /* batch_max */
1394     NULL,                     /* batch_id */
1395     NULL,                     /* home_dir */
1396     NULL,                     /* current_dir */
1397     NULL,                     /* expand-multi-domain */
1398     TRUE,                     /* multi-domain */
1399     FALSE,                    /* overrides_hosts */
1400     100,                      /* max_addresses */
1401     500,                      /* connection_max_messages */
1402     FALSE,                    /* deliver_as_creator */
1403     FALSE,                    /* disable_logging */
1404     FALSE,                    /* initgroups */
1405     FALSE,                    /* uid_set */
1406     FALSE,                    /* gid_set */
1407     (uid_t)(-1),              /* uid */
1408     (gid_t)(-1),              /* gid */
1409     NULL,                     /* expand_uid */
1410     NULL,                     /* expand_gid */
1411     NULL,                     /* warn_message */
1412     NULL,                     /* shadow */
1413     NULL,                     /* shadow_condition */
1414     NULL,                     /* filter_command */
1415     NULL,                     /* add_headers */
1416     NULL,                     /* remove_headers */
1417     NULL,                     /* return_path */
1418     NULL,                     /* debug_string */
1419     NULL,                     /* message_size_limit */
1420     NULL,                     /* headers_rewrite */
1421     NULL,                     /* rewrite_rules */
1422     0,                        /* rewrite_existflags */
1423     300,                      /* filter_timeout */
1424     FALSE,                    /* body_only */
1425     FALSE,                    /* delivery_date_add */
1426     FALSE,                    /* envelope_to_add */
1427     FALSE,                    /* headers_only */
1428     FALSE,                    /* rcpt_include_affixes */
1429     FALSE,                    /* return_path_add */
1430     FALSE,                    /* return_output */
1431     FALSE,                    /* return_fail_output */
1432     FALSE,                    /* log_output */
1433     FALSE,                    /* log_fail_output */
1434     FALSE,                    /* log_defer_output */
1435     TRUE_UNSET                /* retry_use_local_part: BOOL, but set neither
1436                                  1 nor 0 so can detect unset */
1437 #ifdef EXPERIMENTAL_EVENT
1438    ,NULL                      /* event_action */
1439 #endif
1440 };
1441
1442 int     transport_count;
1443 uschar *transport_name          = NULL;
1444 int     transport_newlines;
1445 const uschar **transport_filter_argv  = NULL;
1446 int     transport_filter_timeout;
1447 BOOL    transport_filter_timed_out = FALSE;
1448 int     transport_write_timeout= 0;
1449
1450 tree_node  *tree_dns_fails     = NULL;
1451 tree_node  *tree_duplicates    = NULL;
1452 tree_node  *tree_nonrecipients = NULL;
1453 tree_node  *tree_unusable      = NULL;
1454
1455 BOOL    trusted_caller         = FALSE;
1456 BOOL    trusted_config         = TRUE;
1457 gid_t  *trusted_groups         = NULL;
1458 uid_t  *trusted_users          = NULL;
1459 uschar *timezone_string        = US TIMEZONE_DEFAULT;
1460
1461 uschar *unknown_login          = NULL;
1462 uschar *unknown_username       = NULL;
1463 uschar *untrusted_set_sender   = NULL;
1464
1465 /*  A regex for matching a "From_" line in an incoming message, in the form
1466
1467     From ph10 Fri Jan  5 12:35 GMT 1996
1468
1469 which  the "mail" commands send to the MTA (undocumented, of course), or in
1470 the  form
1471
1472     From ph10 Fri, 7 Jan 97 14:00:00 GMT
1473
1474 which  is apparently used by some UUCPs, despite it not being in RFC 976.
1475 Because  of variations in time formats, just match up to the minutes. That
1476 should  be sufficient. Examples have been seen of time fields like 12:1:03,
1477 so  just require one digit for hours and minutes. The weekday is also absent
1478 in  some forms. */
1479
1480 uschar *uucp_from_pattern      = US
1481    "^From\\s+(\\S+)\\s+(?:[a-zA-Z]{3},?\\s+)?"    /* Common start */
1482    "(?:"                                          /* Non-extracting bracket */
1483    "[a-zA-Z]{3}\\s+\\d?\\d|"                      /* First form */
1484    "\\d?\\d\\s+[a-zA-Z]{3}\\s+\\d\\d(?:\\d\\d)?"  /* Second form */
1485    ")"                                            /* End alternation */
1486    "\\s+\\d\\d?:\\d\\d?";                         /* Start of time */
1487
1488 uschar *uucp_from_sender       = US"$1";
1489
1490 uschar *verify_mode            = NULL;
1491 uschar *version_copyright      =
1492  US"Copyright (c) University of Cambridge, 1995 - 2015\n"
1493    "(c) The Exim Maintainers and contributors in ACKNOWLEDGMENTS file, 2007 - 2015";
1494 uschar *version_date           = US"?";
1495 uschar *version_cnumber        = US"????";
1496 uschar *version_string         = US"?";
1497
1498 uschar *warn_message_file      = NULL;
1499 int     warning_count          = 0;
1500 uschar *warnmsg_delay          = NULL;
1501 uschar *warnmsg_recipients     = NULL;
1502 BOOL    write_rejectlog        = TRUE;
1503
1504
1505 /*  End of globals.c */