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https://git.openldap.org/openldap/openldap.git
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Don't disclose information to attacker.
Referrals need work (not sure why return referrals for bind requests)
This commit is contained in:
parent
9b9127eb3f
commit
2876b3bb84
@ -44,9 +44,11 @@ bdb_bind( Operation *op, SlapReply *rs )
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DB_LOCK lock;
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DB_LOCK lock;
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#ifdef NEW_LOGGING
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, ARGS, "==> bdb_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0 );
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LDAP_LOG ( OPERATION, ARGS,
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"==> bdb_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0 );
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#else
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#else
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Debug( LDAP_DEBUG_ARGS, "==> bdb_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0);
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Debug( LDAP_DEBUG_ARGS,
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"==> bdb_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0);
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#endif
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#endif
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/* allow noauth binds */
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/* allow noauth binds */
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@ -99,7 +101,8 @@ dn2entry_retry:
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rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
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rs->sr_flags |= REP_MATCHED_MUSTBEFREED;
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}
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}
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bdb_cache_return_entry_r( bdb->bi_dbenv, &bdb->bi_cache, e, &lock );
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bdb_cache_return_entry_r( bdb->bi_dbenv,
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&bdb->bi_cache, e, &lock );
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e = NULL;
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e = NULL;
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} else {
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} else {
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rs->sr_ref = referral_rewrite( default_referral,
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rs->sr_ref = referral_rewrite( default_referral,
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@ -144,14 +147,18 @@ dn2entry_retry:
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if ( is_entry_alias( e ) ) {
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if ( is_entry_alias( e ) ) {
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/* entry is an alias, don't allow bind */
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/* entry is an alias, don't allow bind */
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#ifdef NEW_LOGGING
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#ifdef NEW_LOGGING
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LDAP_LOG ( OPERATION, DETAIL1, "bdb_bind: entry is alias\n", 0, 0, 0 );
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LDAP_LOG ( OPERATION, DETAIL1,
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"bdb_bind: entry is alias\n", 0, 0, 0 );
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#else
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#else
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Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
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Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
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0, 0 );
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#endif
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#endif
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#if 1
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rs->sr_err = LDAP_INVALID_CREDENTIALS;
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#else
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rs->sr_err = LDAP_ALIAS_PROBLEM;
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rs->sr_err = LDAP_ALIAS_PROBLEM;
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rs->sr_text = "entry is alias";
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rs->sr_text = "entry is alias";
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#endif
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goto done;
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goto done;
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}
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}
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#endif
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#endif
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@ -183,16 +190,26 @@ dn2entry_retry:
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rs->sr_err = access_allowed( op, e,
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rs->sr_err = access_allowed( op, e,
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password, NULL, ACL_AUTH, NULL );
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password, NULL, ACL_AUTH, NULL );
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if ( ! rs->sr_err ) {
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if ( ! rs->sr_err ) {
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#if 1
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rs->sr_err = LDAP_INVALID_CREDENTIALS;
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#else
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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rs->sr_err = LDAP_INSUFFICIENT_ACCESS;
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#endif
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goto done;
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goto done;
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}
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}
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if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
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if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
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#if 1
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rs->sr_err = LDAP_INVALID_CREDENTIALS;
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#else
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rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
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rs->sr_err = LDAP_INAPPROPRIATE_AUTH;
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#endif
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goto done;
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goto done;
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}
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}
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if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 ) {
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if ( slap_passwd_check( op->o_conn,
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a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 )
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{
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rs->sr_err = LDAP_INVALID_CREDENTIALS;
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rs->sr_err = LDAP_INVALID_CREDENTIALS;
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goto done;
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goto done;
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}
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}
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@ -202,7 +219,9 @@ dn2entry_retry:
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#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
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#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
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case LDAP_AUTH_KRBV41:
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case LDAP_AUTH_KRBV41:
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if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad ) != LDAP_SUCCESS ) {
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if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad )
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!= LDAP_SUCCESS )
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{
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rs->sr_err = LDAP_INVALID_CREDENTIALS,
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rs->sr_err = LDAP_INVALID_CREDENTIALS,
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goto done;
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goto done;
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}
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}
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@ -214,8 +233,8 @@ dn2entry_retry:
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goto done;
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goto done;
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}
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}
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krbval.bv_len = sprintf( krbname, "%s%s%s@%s", ad.pname, *ad.pinst ? "."
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krbval.bv_len = sprintf( krbname, "%s%s%s@%s", ad.pname,
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: "", ad.pinst, ad.prealm );
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*ad.pinst ? "." : "", ad.pinst, ad.prealm );
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if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
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if ( (a = attr_find( e->e_attrs, krbattr )) == NULL ) {
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/*
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/*
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@ -238,14 +257,10 @@ dn2entry_retry:
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}
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}
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rs->sr_err = 0;
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rs->sr_err = 0;
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break;
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break;
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case LDAP_AUTH_KRBV42:
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rs->sr_err = LDAP_UNWILLING_TO_PERFORM;
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rs->sr_text = "Kerberos bind step 2 not supported";
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goto done;
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#endif
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#endif
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default:
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default:
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assert( 0 ); /* should not be unreachable */
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rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
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rs->sr_err = LDAP_STRONG_AUTH_NOT_SUPPORTED;
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rs->sr_text = "authentication method not supported";
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rs->sr_text = "authentication method not supported";
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}
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}
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@ -49,7 +49,8 @@ ldbm_back_bind(
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LDAP_LOG( BACK_LDBM, ENTRY,
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LDAP_LOG( BACK_LDBM, ENTRY,
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"ldbm_back_bind: dn: %s.\n", op->o_req_dn.bv_val, 0, 0 );
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"ldbm_back_bind: dn: %s.\n", op->o_req_dn.bv_val, 0, 0 );
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#else
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#else
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Debug(LDAP_DEBUG_ARGS, "==> ldbm_back_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0);
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Debug(LDAP_DEBUG_ARGS,
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"==> ldbm_back_bind: dn: %s\n", op->o_req_dn.bv_val, 0, 0);
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#endif
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#endif
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if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
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if ( op->oq_bind.rb_method == LDAP_AUTH_SIMPLE && be_isroot_pw( op ) ) {
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@ -114,13 +115,18 @@ ldbm_back_bind(
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/* entry is an alias, don't allow bind */
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/* entry is an alias, don't allow bind */
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#ifdef NEW_LOGGING
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#ifdef NEW_LOGGING
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LDAP_LOG( BACK_LDBM, INFO,
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LDAP_LOG( BACK_LDBM, INFO,
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"ldbm_back_bind: entry (%s) is an alias.\n", e->e_name.bv_val, 0, 0 );
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"ldbm_back_bind: entry (%s) is an alias.\n",
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e->e_name.bv_val, 0, 0 );
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#else
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#else
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Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0,
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Debug( LDAP_DEBUG_TRACE, "entry is alias\n", 0, 0, 0 );
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0, 0 );
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#endif
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#endif
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#if 1
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rc = LDAP_INVALID_CREDENTIALS;
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#else
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rs->sr_text = "entry is alias";
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rs->sr_text = "entry is alias";
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rc = LDAP_ALIAS_PROBLEM;
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rc = LDAP_ALIAS_PROBLEM;
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#endif
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goto return_results;
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goto return_results;
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}
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}
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@ -136,7 +142,6 @@ ldbm_back_bind(
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0, 0 );
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0, 0 );
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#endif
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#endif
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if( rs->sr_ref != NULL ) {
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if( rs->sr_ref != NULL ) {
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rc = LDAP_REFERRAL;
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rc = LDAP_REFERRAL;
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rs->sr_matched = ch_strdup( e->e_name.bv_val );
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rs->sr_matched = ch_strdup( e->e_name.bv_val );
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@ -153,17 +158,27 @@ ldbm_back_bind(
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if ( ! access_allowed( op, e,
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if ( ! access_allowed( op, e,
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password, NULL, ACL_AUTH, NULL ) )
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password, NULL, ACL_AUTH, NULL ) )
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{
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{
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#if 1
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rc = LDAP_INVALID_CREDENTIALS;
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#else
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rc = LDAP_INSUFFICIENT_ACCESS;
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rc = LDAP_INSUFFICIENT_ACCESS;
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#endif
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goto return_results;
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goto return_results;
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}
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}
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if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
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if ( (a = attr_find( e->e_attrs, password )) == NULL ) {
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/* stop front end from sending result */
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/* stop front end from sending result */
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#if 1
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rc = LDAP_INVALID_CREDENTIALS;
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#else
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rc = LDAP_INAPPROPRIATE_AUTH;
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rc = LDAP_INAPPROPRIATE_AUTH;
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#endif
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goto return_results;
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goto return_results;
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}
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}
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if ( slap_passwd_check( op->o_conn, a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 ) {
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if ( slap_passwd_check( op->o_conn,
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a, &op->oq_bind.rb_cred, &rs->sr_text ) != 0 )
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{
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/* stop front end from sending result */
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/* stop front end from sending result */
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rc = LDAP_INVALID_CREDENTIALS;
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rc = LDAP_INVALID_CREDENTIALS;
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goto return_results;
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goto return_results;
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@ -174,7 +189,9 @@ ldbm_back_bind(
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#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
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#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
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case LDAP_AUTH_KRBV41:
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case LDAP_AUTH_KRBV41:
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if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad ) != LDAP_SUCCESS ) {
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if ( krbv4_ldap_auth( op->o_bd, &op->oq_bind.rb_cred, &ad )
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!= LDAP_SUCCESS )
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{
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rc = LDAP_INVALID_CREDENTIALS;
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rc = LDAP_INVALID_CREDENTIALS;
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goto return_results;
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goto return_results;
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}
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}
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@ -213,15 +230,10 @@ ldbm_back_bind(
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}
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}
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rc = 0;
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rc = 0;
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break;
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break;
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case LDAP_AUTH_KRBV42:
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rs->sr_text = "Kerberos bind step 2 not supported";
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/* stop front end from sending result */
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rc = LDAP_UNWILLING_TO_PERFORM;
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goto return_results;
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#endif
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#endif
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default:
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default:
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assert( 0 ); /* should not be reachable */
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rs->sr_text = "authentication method not supported";
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rs->sr_text = "authentication method not supported";
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rc = LDAP_STRONG_AUTH_NOT_SUPPORTED;
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rc = LDAP_STRONG_AUTH_NOT_SUPPORTED;
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goto return_results;
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goto return_results;
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