src/src/globals.c

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