Examples with REMOVE3Response org.apache.hadoop.nfs.nfs3.response.REMOVE3Response used on opensource projects

Example 1 with REMOVE3Response

use of org.apache.hadoop.nfs.nfs3.response.REMOVE3Response in project hadoop by apache.

the class RpcProgramNfs3 method remove.

@VisibleForTesting
REMOVE3Response remove(XDR xdr, SecurityHandler securityHandler, SocketAddress remoteAddress) {
    REMOVE3Response response = new REMOVE3Response(Nfs3Status.NFS3_OK);
    DFSClient dfsClient = clientCache.getDfsClient(securityHandler.getUser());
    if (dfsClient == null) {
        response.setStatus(Nfs3Status.NFS3ERR_SERVERFAULT);
        return response;
    }
    REMOVE3Request request;
    try {
        request = REMOVE3Request.deserialize(xdr);
    } catch (IOException e) {
        LOG.error("Invalid REMOVE request");
        return new REMOVE3Response(Nfs3Status.NFS3ERR_INVAL);
    }
    FileHandle dirHandle = request.getHandle();
    String fileName = request.getName();
    if (LOG.isDebugEnabled()) {
        LOG.debug("NFS REMOVE dir fileId: " + dirHandle.getFileId() + " fileName: " + fileName + " client: " + remoteAddress);
    }
    String dirFileIdPath = Nfs3Utils.getFileIdPath(dirHandle);
    Nfs3FileAttributes preOpDirAttr = null;
    Nfs3FileAttributes postOpDirAttr = null;
    try {
        preOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
        if (preOpDirAttr == null) {
            LOG.info("Can't get path for dir fileId: " + dirHandle.getFileId());
            return new REMOVE3Response(Nfs3Status.NFS3ERR_STALE);
        }
        WccData errWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr), preOpDirAttr);
        if (!checkAccessPrivilege(remoteAddress, AccessPrivilege.READ_WRITE)) {
            return new REMOVE3Response(Nfs3Status.NFS3ERR_ACCES, errWcc);
        }
        String fileIdPath = dirFileIdPath + "/" + fileName;
        HdfsFileStatus fstat = Nfs3Utils.getFileStatus(dfsClient, fileIdPath);
        if (fstat == null) {
            return new REMOVE3Response(Nfs3Status.NFS3ERR_NOENT, errWcc);
        }
        if (fstat.isDir()) {
            return new REMOVE3Response(Nfs3Status.NFS3ERR_ISDIR, errWcc);
        }
        boolean result = dfsClient.delete(fileIdPath, false);
        WccData dirWcc = Nfs3Utils.createWccData(Nfs3Utils.getWccAttr(preOpDirAttr), dfsClient, dirFileIdPath, iug);
        if (!result) {
            return new REMOVE3Response(Nfs3Status.NFS3ERR_ACCES, dirWcc);
        }
        return new REMOVE3Response(Nfs3Status.NFS3_OK, dirWcc);
    } catch (IOException e) {
        LOG.warn("Exception ", e);
        // Try to return correct WccData
        if (postOpDirAttr == null) {
            try {
                postOpDirAttr = Nfs3Utils.getFileAttr(dfsClient, dirFileIdPath, iug);
            } catch (IOException e1) {
                LOG.info("Can't get postOpDirAttr for " + dirFileIdPath, e1);
            }
        }
        WccData dirWcc = new WccData(Nfs3Utils.getWccAttr(preOpDirAttr), postOpDirAttr);
        int status = mapErrorStatus(e);
        return new REMOVE3Response(status, dirWcc);
    }
}

Example 2 with REMOVE3Response

use of org.apache.hadoop.nfs.nfs3.response.REMOVE3Response in project hadoop by apache.

the class TestClientAccessPrivilege method testClientAccessPrivilegeForRemove.

@Test(timeout = 60000)
public void testClientAccessPrivilegeForRemove() throws Exception {
    // Configure ro access for nfs1 service
    config.set("dfs.nfs.exports.allowed.hosts", "* ro");
    // Start nfs
    Nfs3 nfs = new Nfs3(config);
    nfs.startServiceInternal(false);
    RpcProgramNfs3 nfsd = (RpcProgramNfs3) nfs.getRpcProgram();
    // Create a remove request
    HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
    long dirId = status.getFileId();
    XDR xdr_req = new XDR();
    FileHandle handle = new FileHandle(dirId);
    handle.serialize(xdr_req);
    xdr_req.writeString("f1");
    // Remove operation
    REMOVE3Response response = nfsd.remove(xdr_req.asReadOnlyWrap(), securityHandler, new InetSocketAddress("localhost", 1234));
    // Assert on return code
    assertEquals("Incorrect return code", Nfs3Status.NFS3ERR_ACCES, response.getStatus());
}

Example 3 with REMOVE3Response

use of org.apache.hadoop.nfs.nfs3.response.REMOVE3Response in project hadoop by apache.

the class TestRpcProgramNfs3 method testRemove.

@Test(timeout = 60000)
public void testRemove() throws Exception {
    HdfsFileStatus status = nn.getRpcServer().getFileInfo(testdir);
    long dirId = status.getFileId();
    XDR xdr_req = new XDR();
    FileHandle handle = new FileHandle(dirId);
    REMOVE3Request req = new REMOVE3Request(handle, "bar");
    req.serialize(xdr_req);
    // Attempt by an unpriviledged user should fail.
    REMOVE3Response response1 = nfsd.remove(xdr_req.asReadOnlyWrap(), securityHandlerUnpriviledged, new InetSocketAddress("localhost", 1234));
    assertEquals("Incorrect return code:", Nfs3Status.NFS3ERR_ACCES, response1.getStatus());
    // Attempt by a priviledged user should pass.
    REMOVE3Response response2 = nfsd.remove(xdr_req.asReadOnlyWrap(), securityHandler, new InetSocketAddress("localhost", 1234));
    assertEquals("Incorrect return code:", Nfs3Status.NFS3_OK, response2.getStatus());
}