Package org.apache.hadoop.oncrpc.security

Examples of org.apache.hadoop.oncrpc.security.SecurityHandler

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          return;
        }
      }
    }
   
    SecurityHandler securityHandler = getSecurityHandler(credentials,
        rpcCall.getVerifier());
   
    NFS3Response response = null;
    if (nfsproc3 == NFSPROC3.NULL) {
      response = nullProcedure();
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    if (!checkAccessPrivilege(info, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }
   
    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
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  }

  @Override
  public SETATTR3Response setattr(XDR xdr, RpcInfo info) {
    SETATTR3Response response = new SETATTR3Response(Nfs3Status.NFS3_OK);
    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
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    if (!checkAccessPrivilege(info, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }
   
    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
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    if (!checkAccessPrivilege(info, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }
   
    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    ACCESS3Request request = null;
    try {
      request = new ACCESS3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid ACCESS request");
      return new ACCESS3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    FileHandle handle = request.getHandle();
    Nfs3FileAttributes attrs;

    if (LOG.isDebugEnabled()) {
      LOG.debug("NFS ACCESS fileId: " + handle.getFileId());
    }

    try {
      // HDFS-5804 removed supserUserClient access
      attrs = writeManager.getFileAttr(dfsClient, handle, iug);

      if (attrs == null) {
        LOG.error("Can't get path for fileId:" + handle.getFileId());
        return new ACCESS3Response(Nfs3Status.NFS3ERR_STALE);
      }
      int access = Nfs3Utils.getAccessRightsForUserGroup(
          securityHandler.getUid(), securityHandler.getGid(),
          securityHandler.getAuxGids(), attrs);
     
      return new ACCESS3Response(Nfs3Status.NFS3_OK, attrs, access);
    } catch (RemoteException r) {
      LOG.warn("Exception ", r);
      IOException io = r.unwrapRemoteException();
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    if (!checkAccessPrivilege(info, AccessPrivilege.READ_ONLY)) {
      response.setStatus(Nfs3Status.NFS3ERR_ACCES);
      return response;
    }

    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
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    }
  }

  @Override
  public READ3Response read(XDR xdr, RpcInfo info) {
    SecurityHandler securityHandler = getSecurityHandler(info);
    SocketAddress remoteAddress = info.remoteAddress();
    return read(xdr, securityHandler, remoteAddress);
  }
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    }
  }

  @Override
  public WRITE3Response write(XDR xdr, RpcInfo info) {
    SecurityHandler securityHandler = getSecurityHandler(info);
    RpcCall rpcCall = (RpcCall) info.header();
    int xid = rpcCall.getXid();
    SocketAddress remoteAddress = info.remoteAddress();
    return write(xdr, info.channel(), xid, securityHandler, remoteAddress);
  }
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    return null;
  }

  @Override
  public CREATE3Response create(XDR xdr, RpcInfo info) {
    SecurityHandler securityHandler = getSecurityHandler(info);
    SocketAddress remoteAddress = info.remoteAddress();
    return create(xdr, securityHandler, remoteAddress);
  }
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  }

  @Override
  public MKDIR3Response mkdir(XDR xdr, RpcInfo info) {
    MKDIR3Response response = new MKDIR3Response(Nfs3Status.NFS3_OK);
    SecurityHandler securityHandler = getSecurityHandler(info);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
      response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
      return response;
    }
   
    MKDIR3Request request = null;

    try {
      request = new MKDIR3Request(xdr);
    } catch (IOException e) {
      LOG.error("Invalid MKDIR request");
      return new MKDIR3Response(Nfs3Status.NFS3ERR_INVAL);
    }
    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();

    if (request.getObjAttr().getUpdateFields().contains(SetAttrField.SIZE)) {
      LOG.error("Setting file size is not supported when mkdir: " + fileName
          + " in dirHandle" + dirHandle);
      return new MKDIR3Response(Nfs3Status.NFS3ERR_INVAL);
    }

    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpDirAttr = null;
    Nfs3FileAttributes postOpObjAttr = null;
    FileHandle objFileHandle = null;
    try {
      preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
      if (preOpDirAttr == null) {
        LOG.info("Can't get path for dir fileId:" + dirHandle.getFileId());
        return new MKDIR3Response(Nfs3Status.NFS3ERR_STALE);
      }

      if (!checkAccessPrivilege(info, AccessPrivilege.READ_WRITE)) {
        return new MKDIR3Response(Nfs3Status.NFS3ERR_ACCES, null, preOpDirAttr,
            new WccData(Nfs3Utils.getWccAttr(preOpDirAttr), preOpDirAttr));
      }
     
      final String fileIdPath = dirFileIdPath + "/" + fileName;
      SetAttr3 setAttr3 = request.getObjAttr();
      FsPermission permission = setAttr3.getUpdateFields().contains(
          SetAttrField.MODE) ? new FsPermission((short) setAttr3.getMode())
          : FsPermission.getDefault().applyUMask(umask);

      if (!dfsClient.mkdirs(fileIdPath, permission, false)) {
        WccData dirWcc = Nfs3Utils.createWccData(
            Nfs3Utils.getWccAttr(preOpDirAttr), dfsClient, dirFileIdPath, iug);
        return new MKDIR3Response(Nfs3Status.NFS3ERR_IO, null, null, dirWcc);
      }

      // Set group if it's not specified in the request.
      if (!setAttr3.getUpdateFields().contains(SetAttrField.GID)) {
        setAttr3.getUpdateFields().add(SetAttrField.GID);
        setAttr3.setGid(securityHandler.getGid());
      }
      setattrInternal(dfsClient, fileIdPath, setAttr3, false);
     
      postOpObjAttr = Nfs3Utils.getFileAttr(dfsClient, fileIdPath, iug);
      objFileHandle = new FileHandle(postOpObjAttr.getFileId());
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Related Classes of org.apache.hadoop.oncrpc.security.SecurityHandler

  • org.apache.hadoop.hdfs.nfs.nfs3.RpcProgramNfs3
  • org.apache.hadoop.hdfs.nfs.nfs3.TestWrites
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