本文整理了Java中org.apache.kerby.kerberos.kerb.keytab.Keytab类的一些代码示例，展示了Keytab类的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Keytab类的具体详情如下：
包路径：org.apache.kerby.kerberos.kerb.keytab.Keytab
类名称：Keytab

Keytab介绍

[英]Keytab management util.
[中]键表管理工具。

代码示例

代码示例来源：origin: org.apache.hadoop/hadoop-common

/**
 * Dump a keytab: list all principals.
 *
 * @param keytabFile the keytab file
 * @throws IOException IO problems
 */
private void dumpKeytab(File keytabFile) throws IOException {
 title("Examining keytab %s", keytabFile);
 File kt = keytabFile.getCanonicalFile();
 verifyFileIsValid(kt, CAT_KERBEROS, "keytab");
 Keytab loadKeytab = Keytab.loadKeytab(kt);
 List<PrincipalName> principals = loadKeytab.getPrincipals();
 println("keytab principal count: %d", principals.size());
 int entrySize = 0;
 for (PrincipalName princ : principals) {
  List<KeytabEntry> entries = loadKeytab.getKeytabEntries(princ);
  entrySize = entrySize + entries.size();
  for (KeytabEntry entry : entries) {
   EncryptionKey key = entry.getKey();
   println(" %s: version=%d expires=%s encryption=%s",
       entry.getPrincipal(),
       entry.getKvno(),
       entry.getTimestamp(),
       key.getKeyType());
  }
 }
 println("keytab entry count: %d", entrySize);
 endln();
}

代码示例来源：origin: apache/zookeeper

@Test(timeout = 60000)
public void testKeytabGen() throws Exception {
  MiniKdc kdc = getKdc();
  File workDir = getWorkDir();
  kdc.createPrincipal(new File(workDir, "keytab"), "foo/bar", "bar/foo");
  List<PrincipalName> principalNameList =
      Keytab.loadKeytab(new File(workDir, "keytab")).getPrincipals();
  Set<String> principals = new HashSet<String>();
  for (PrincipalName principalName : principalNameList) {
   principals.add(principalName.getName());
  }
  Assert.assertEquals(new HashSet<String>(Arrays.asList(
      "foo/bar@" + kdc.getRealm(), "bar/foo@" + kdc.getRealm())),
      principals);
 }

代码示例来源：origin: org.apache.kerby/kerb-admin

/**
 * Load keytab from keytab file.
 *
 * @param keytabFile The keytab file
 * @return The keytab load from keytab file
 * @throws KrbException If there is a problem loading the keytab
 */
public static Keytab loadKeytab(File keytabFile) throws KrbException {
  Keytab keytab;
  try {
    keytab = Keytab.loadKeytab(keytabFile);
  } catch (IOException e) {
    throw new KrbException("Failed to load keytab", e);
  }
  return keytab;
}

代码示例来源：origin: org.apache.kerby/kerb-admin

/**
 * If keytab file does not exist, create a new keytab,
 * otherwise load keytab from keytab file.
 *
 * @param keytabFile The keytab file
 * @return The keytab load from keytab file
 * @throws KrbException If there is a problem creating or loading the keytab
 */
public static Keytab createOrLoadKeytab(File keytabFile) throws KrbException {
  Keytab keytab;
  try {
    if (!keytabFile.exists()) {
      if (!keytabFile.createNewFile()) {
        throw new KrbException("Failed to create keytab file "
            + keytabFile.getAbsolutePath());
      }
      keytab = new Keytab();
    } else {
      keytab = Keytab.loadKeytab(keytabFile);
    }
  } catch (IOException e) {
    throw new KrbException("Failed to load or create keytab "
      + keytabFile.getAbsolutePath(), e);
  }
  return keytab;
}

代码示例来源：origin: org.apache.kerby/kerb-util

@Override
public void removeKeytabEntries(PrincipalName principal, int kvno) {
  List<KeytabEntry> entries = getKeytabEntries(principal);
  for (KeytabEntry entry : entries) {
    if (entry.getKvno() == kvno) {
      removeKeytabEntry(entry);
    }
  }
}

代码示例来源：origin: org.apache.kerby/kerb-util

public static Keytab loadKeytab(InputStream inputStream) throws IOException {
  Keytab keytab = new Keytab();
  keytab.load(inputStream);
  return keytab;
}

代码示例来源：origin: apache/directory-kerby

@Override
public EncryptionKey getKey(PrincipalName principal, EncryptionType keyType) {
  List<KeytabEntry> entries = getKeytabEntries(principal);
  for (KeytabEntry ke : entries) {
    if (ke.getKey().getKeyType() == keyType) {
      return ke.getKey();
    }
  }
  // Maybe we have a key stored under a different name for the same type
  int keyTypeValue = keyType.getValue();
  for (KeytabEntry ke : entries) {
    if (keyTypeValue == ke.getKey().getKeyType().getValue()) {
      return ke.getKey();
    }
  }
  return null;
}

代码示例来源：origin: org.apache.kerby/kerb-util

@Override
public void addKeytabEntries(List<KeytabEntry> entries) {
  for (KeytabEntry entry : entries) {
    addEntry(entry);
  }
}

代码示例来源：origin: org.apache.kerby/kerb-util

@Override
public void store(File keytabFile) throws IOException {
  try (OutputStream outputStream = Files.newOutputStream(keytabFile.toPath())) {
    store(outputStream);
  }
}

代码示例来源：origin: org.apache.hadoop/hadoop-auth

/**
 * Get all the unique principals present in the keytabfile.
 * 
 * @param keytabFileName 
 *          Name of the keytab file to be read.
 * @return list of unique principals in the keytab.
 * @throws IOException 
 *          If keytab entries cannot be read from the file.
 */
static final String[] getPrincipalNames(String keytabFileName) throws IOException {
 Keytab keytab = Keytab.loadKeytab(new File(keytabFileName));
 Set<String> principals = new HashSet<String>();
 List<PrincipalName> entries = keytab.getPrincipals();
 for (PrincipalName entry : entries) {
  principals.add(entry.getName().replace("\\", "/"));
 }
 return principals.toArray(new String[0]);
}

代码示例来源：origin: apache/directory-kerby

/**
 * Load keytab from keytab file.
 *
 * @param keytabFile The keytab file
 * @return The keytab load from keytab file
 * @throws KrbException If there is a problem loading the keytab
 */
public static Keytab loadKeytab(File keytabFile) throws KrbException {
  Keytab keytab;
  try {
    keytab = Keytab.loadKeytab(keytabFile);
  } catch (IOException e) {
    throw new KrbException("Failed to load keytab", e);
  }
  return keytab;
}

代码示例来源：origin: apache/directory-kerby

/**
 * If keytab file does not exist, create a new keytab,
 * otherwise load keytab from keytab file.
 *
 * @param keytabFile The keytab file
 * @return The keytab load from keytab file
 * @throws KrbException If there is a problem creating or loading the keytab
 */
public static Keytab createOrLoadKeytab(File keytabFile) throws KrbException {
  Keytab keytab;
  try {
    if (!keytabFile.exists()) {
      if (!keytabFile.createNewFile()) {
        throw new KrbException("Failed to create keytab file "
            + keytabFile.getAbsolutePath());
      }
      keytab = new Keytab();
    } else {
      keytab = Keytab.loadKeytab(keytabFile);
    }
  } catch (IOException e) {
    throw new KrbException("Failed to load or create keytab "
      + keytabFile.getAbsolutePath(), e);
  }
  return keytab;
}

代码示例来源：origin: apache/directory-kerby

@Override
public void removeKeytabEntries(PrincipalName principal, int kvno) {
  List<KeytabEntry> entries = getKeytabEntries(principal);
  for (KeytabEntry entry : entries) {
    if (entry.getKvno() == kvno) {
      removeKeytabEntry(entry);
    }
  }
}

代码示例来源：origin: apache/directory-kerby

public static Keytab loadKeytab(File keytabFile) throws IOException {
  Keytab keytab = new Keytab();
  keytab.load(keytabFile);
  return keytab;
}

代码示例来源：origin: org.apache.kerby/kerb-util

@Override
public EncryptionKey getKey(PrincipalName principal, EncryptionType keyType) {
  List<KeytabEntry> entries = getKeytabEntries(principal);
  for (KeytabEntry ke : entries) {
    if (ke.getKey().getKeyType() == keyType) {
      return ke.getKey();
    }
  }
  // Maybe we have a key stored under a different name for the same type
  int keyTypeValue = keyType.getValue();
  for (KeytabEntry ke : entries) {
    if (keyTypeValue == ke.getKey().getKeyType().getValue()) {
      return ke.getKey();
    }
  }
  return null;
}

代码示例来源：origin: apache/directory-kerby

@Override
public void addKeytabEntries(List<KeytabEntry> entries) {
  for (KeytabEntry entry : entries) {
    addEntry(entry);
  }
}

代码示例来源：origin: apache/directory-kerby

@Override
public void store(File keytabFile) throws IOException {
  try (OutputStream outputStream = Files.newOutputStream(keytabFile.toPath())) {
    store(outputStream);
  }
}

代码示例来源：origin: org.apache.kerby/client-tool

Keytab keytab = Keytab.loadKeytab(keytabFile);
List<PrincipalName> principals = keytab.getPrincipals();
for (PrincipalName principal : principals) {
  List<KeytabEntry> keytabEntries = keytab.getKeytabEntries(principal);
  for (KeytabEntry entry : keytabEntries) {
    StringBuilder sb = new StringBuilder();

代码示例来源：origin: apache/directory-kerby

/**
 * Get all the unique principals present in the keytabfile.
 * 
 * @param keytabFileName 
 *          Name of the keytab file to be read.
 * @return list of unique principals in the keytab.
 * @throws IOException
 *          If keytab entries cannot be read from the file.
 */
static final String[] getPrincipalNames(String keytabFileName) throws IOException {
 Keytab keytab = Keytab.loadKeytab(new File(keytabFileName));
 Set<String> principals = new HashSet<>();
 List<PrincipalName> entries = keytab.getPrincipals();
 for (PrincipalName entry : entries) {
  principals.add(entry.getName().replace("\\", "/"));
 }
 return principals.toArray(new String[0]);
}

代码示例来源：origin: org.apache.kerby/kerb-client

private Keytab getKeytab() {
  File keytabFile = null;
  KOptions kOptions = getRequestOptions();
  if (kOptions.contains(KrbOption.KEYTAB_FILE)) {
    keytabFile = kOptions.getFileOption(KrbOption.KEYTAB_FILE);
  }
  if (kOptions.contains(KrbOption.USE_DFT_KEYTAB)) {
    final String clientKeytabEnv = System.getenv("KRB5_CLIENT_KTNAME");
    final String clientKeytabDft = getContext().getConfig().getString(
      "default_client_keytab_name");
    if (clientKeytabEnv != null) {
      keytabFile = new File(clientKeytabEnv);
    } else if (clientKeytabDft != null) {
      keytabFile = new File(clientKeytabDft);
    } else {
      System.err.println("Default client keytab file not found.");
    }
  }
  Keytab keytab = null;
  try {
    keytab =  Keytab.loadKeytab(keytabFile);
  } catch (IOException e) {
    System.err.println("Can not load keytab from file" + keytabFile.getAbsolutePath());
  }
  return keytab;
}