sun.security.jgss.krb5.Krb5Util Java Examples

The following examples show how to use sun.security.jgss.krb5.Krb5Util. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: KrbAsRep.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #2
Source File: KrbAsRep.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq, cname);
}
Example #3
Source File: Context.java    From dragonwell8_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Saves the tickets to a ccache file.
 *
 * @param file pathname of the ccache file
 * @return true if created, false otherwise.
 */
public boolean ccache(String file) throws Exception {
    Set<KerberosTicket> tickets
            = s.getPrivateCredentials(KerberosTicket.class);
    if (tickets != null && !tickets.isEmpty()) {
        CredentialsCache cc = null;
        for (KerberosTicket t : tickets) {
            Credentials cred = Krb5Util.ticketToCreds(t);
            if (cc == null) {
                cc = CredentialsCache.create(cred.getClient(), file);
            }
            cc.update(cred.toCCacheCreds());
        }
        if (cc != null) {
            cc.save();
            return true;
        }
    }
    return false;
}
Example #4
Source File: KrbAsReqBuilder.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #5
Source File: KrbAsRep.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #6
Source File: KrbAsRep.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #7
Source File: KerberosTest.java    From jcifs with GNU Lesser General Public License v2.1 6 votes vote down vote up 
private static KerberosTicket getKerberosTicket ( KerberosPrincipal principal, String password, Long expire ) throws Exception {
    PrincipalName principalName = convertPrincipal(principal);
    KrbAsReqBuilder builder = new KrbAsReqBuilder(principalName, password != null ? password.toCharArray() : new char[0]);

    if ( expire != null ) {
        System.out.println("Request expires " + expire);
        KerberosTime till = new KerberosTime(expire);
        Field tillF = builder.getClass().getDeclaredField("till");
        tillF.setAccessible(true);
        tillF.set(builder, till);
    }

    Credentials creds = builder.action().getCreds();
    builder.destroy();

    KerberosTicket ticket = Krb5Util.credsToTicket(creds);
    System.out.println("Ends " + ticket.getEndTime().getTime());
    return ticket;
}
Example #8
Source File: KrbAsRep.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq, cname);
}
Example #9
Source File: KrbAsReqBuilder.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #10
Source File: KrbAsRep.java    From hottub with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #11
Source File: Context.java    From TencentKona-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Saves the tickets to a ccache file.
 *
 * @param file pathname of the ccache file
 * @return true if created, false otherwise.
 */
public boolean ccache(String file) throws Exception {
    Set<KerberosTicket> tickets
            = s.getPrivateCredentials(KerberosTicket.class);
    if (tickets != null && !tickets.isEmpty()) {
        CredentialsCache cc = null;
        for (KerberosTicket t : tickets) {
            Credentials cred = Krb5Util.ticketToCreds(t);
            if (cc == null) {
                cc = CredentialsCache.create(cred.getClient(), file);
            }
            cc.update(cred.toCCacheCreds());
        }
        if (cc != null) {
            cc.save();
            return true;
        }
    }
    return false;
}
Example #12
Source File: KrbAsRep.java    From jdk8u-dev-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #13
Source File: KrbAsRep.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #14
Source File: KrbAsReqBuilder.java    From jdk8u60 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #15
Source File: KerberosTest.java    From jcifs-ng with GNU Lesser General Public License v2.1 6 votes vote down vote up 
private static KerberosTicket getKerberosTicket ( KerberosPrincipal principal, String password, Long expire ) throws Exception {
    PrincipalName principalName = convertPrincipal(principal);
    KrbAsReqBuilder builder = new KrbAsReqBuilder(principalName, password != null ? password.toCharArray() : new char[0]);

    if ( expire != null ) {
        System.out.println("Request expires " + expire);
        KerberosTime till = new KerberosTime(expire);
        Field tillF = builder.getClass().getDeclaredField("till");
        tillF.setAccessible(true);
        tillF.set(builder, till);
    }

    Credentials creds = builder.action().getCreds();
    builder.destroy();

    KerberosTicket ticket = Krb5Util.credsToTicket(creds);
    System.out.println("Ends " + ticket.getEndTime().getTime());
    return ticket;
}
Example #16
Source File: KrbAsReqBuilder.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #17
Source File: Context.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Saves the tickets to a ccache file.
 *
 * @param file pathname of the ccache file
 * @return true if created, false otherwise.
 */
public boolean ccache(String file) throws Exception {
    Set<KerberosTicket> tickets
            = s.getPrivateCredentials(KerberosTicket.class);
    if (tickets != null && !tickets.isEmpty()) {
        CredentialsCache cc = null;
        for (KerberosTicket t : tickets) {
            Credentials cred = Krb5Util.ticketToCreds(t);
            if (cc == null) {
                cc = CredentialsCache.create(cred.getClient(), file);
            }
            cc.update(cred.toCCacheCreds());
        }
        if (cc != null) {
            cc.save();
            return true;
        }
    }
    return false;
}
Example #18
Source File: KrbAsRep.java    From jdk8u-jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #19
Source File: KrbAsRep.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq, cname);
}
Example #20
Source File: KrbAsRep.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #21
Source File: Context.java    From openjdk-jdk8u with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Saves the tickets to a ccache file.
 *
 * @param file pathname of the ccache file
 * @return true if created, false otherwise.
 */
public boolean ccache(String file) throws Exception {
    Set<KerberosTicket> tickets
            = s.getPrivateCredentials(KerberosTicket.class);
    if (tickets != null && !tickets.isEmpty()) {
        CredentialsCache cc = null;
        for (KerberosTicket t : tickets) {
            Credentials cred = Krb5Util.ticketToCreds(t);
            if (cc == null) {
                cc = CredentialsCache.create(cred.getClient(), file);
            }
            cc.update(cred.toCCacheCreds());
        }
        if (cc != null) {
            cc.save();
            return true;
        }
    }
    return false;
}
Example #22
Source File: KrbAsReqBuilder.java    From openjdk-8 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #23
Source File: KrbAsRep.java    From jdk8u_jdk with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq, cname);
}
Example #24
Source File: KrbAsReqBuilder.java    From openjdk-jdk9 with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #25
Source File: KrbAsRep.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Called by KrbAsReqBuilder to resolve a AS-REP message using a keytab.
 * @param ktab the keytab, not null
 * @param asReq the original AS-REQ sent, used to validate AS-REP
 * @param cname the user principal name, used to locate keys in ktab
 */
void decryptUsingKeyTab(KeyTab ktab, KrbAsReq asReq, PrincipalName cname)
        throws KrbException, Asn1Exception, IOException {
    EncryptionKey dkey = null;
    int encPartKeyType = rep.encPart.getEType();
    Integer encPartKvno = rep.encPart.kvno;
        try {
            dkey = EncryptionKey.findKey(encPartKeyType, encPartKvno,
                    Krb5Util.keysFromJavaxKeyTab(ktab, cname));
        } catch (KrbException ke) {
            if (ke.returnCode() == Krb5.KRB_AP_ERR_BADKEYVER) {
                // Fallback to no kvno. In some cases, keytab is generated
                // not by sysadmin but Java's ktab command
                dkey = EncryptionKey.findKey(encPartKeyType,
                        Krb5Util.keysFromJavaxKeyTab(ktab, cname));
            }
        }
        if (dkey == null) {
            throw new KrbException(Krb5.API_INVALID_ARG,
                "Cannot find key for type/kvno to decrypt AS REP - " +
                EType.toString(encPartKeyType) + "/" + encPartKvno);
        }
    decrypt(dkey, asReq);
}
Example #26
Source File: KrbAsReqBuilder.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #27
Source File: KrbAsReqBuilder.java    From openjdk-8-source with GNU General Public License v2.0 6 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key) throws KrbException, IOException {
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    return new KrbAsReq(key,
        options,
        cname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses);
}
Example #28
Source File: KrbAsReqBuilder.java    From jdk8u_jdk with GNU General Public License v2.0 5 votes vote down vote up 
/**
 * Build a KrbAsReq object from all info fed above. Normally this method
 * will be called twice: initial AS-REQ and second with pakey
 * @param key null (initial AS-REQ) or pakey (with preauth)
 * @return the KrbAsReq object
 * @throws KrbException
 * @throws IOException
 */
private KrbAsReq build(EncryptionKey key, ReferralsState referralsState)
        throws KrbException, IOException {
    PAData[] extraPAs = null;
    int[] eTypes;
    if (password != null) {
        eTypes = EType.getDefaults("default_tkt_enctypes");
    } else {
        EncryptionKey[] ks = Krb5Util.keysFromJavaxKeyTab(ktab, cname);
        eTypes = EType.getDefaults("default_tkt_enctypes",
                ks);
        for (EncryptionKey k: ks) k.destroy();
    }
    options = (options == null) ? new KDCOptions() : options;
    if (referralsState.isEnabled()) {
        options.set(KDCOptions.CANONICALIZE, true);
        extraPAs = new PAData[]{ new PAData(Krb5.PA_REQ_ENC_PA_REP,
                new byte[]{}) };
    } else {
        options.set(KDCOptions.CANONICALIZE, false);
    }
    return new KrbAsReq(key,
        options,
        refCname,
        sname,
        from,
        till,
        rtime,
        eTypes,
        addresses,
        extraPAs);
}
Example #29
Source File: Krb5ProxyImpl.java    From openjdk-8 with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public Object getServiceCreds(AccessControlContext acc)
        throws LoginException {
    ServiceCreds serviceCreds =
        Krb5Util.getServiceCreds(GSSCaller.CALLER_SSL_SERVER, null, acc);
    return serviceCreds;
}
Example #30
Source File: Krb5ProxyImpl.java    From jdk8u-jdk with GNU General Public License v2.0 5 votes vote down vote up 
@Override
public Object getServiceCreds(AccessControlContext acc)
        throws LoginException {
    ServiceCreds serviceCreds =
        Krb5Util.getServiceCreds(GSSCaller.CALLER_SSL_SERVER, null, acc);
    return serviceCreds;
}