HADOOP-9683. [RPC v9] Wrap IpcConnectionContext in RPC headers (daryn)
git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1503811 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
parent
32076136f7
commit
a3a9d72e98
@ -354,6 +354,8 @@ Release 2.1.0-beta - 2013-07-02
|
||||
|
||||
HADOOP-9688. Add globally unique Client ID to RPC requests. (suresh)
|
||||
|
||||
HADOOP-9683. [RPC v9] Wrap IpcConnectionContext in RPC headers (daryn)
|
||||
|
||||
NEW FEATURES
|
||||
|
||||
HADOOP-9283. Add support for running the Hadoop client on AIX. (atm)
|
||||
|
@ -18,6 +18,8 @@
|
||||
|
||||
package org.apache.hadoop.ipc;
|
||||
|
||||
import static org.apache.hadoop.ipc.RpcConstants.CONNECTION_CONTEXT_CALL_ID;
|
||||
|
||||
import java.io.BufferedInputStream;
|
||||
import java.io.BufferedOutputStream;
|
||||
import java.io.DataInputStream;
|
||||
@ -63,7 +65,10 @@
|
||||
import org.apache.hadoop.io.retry.RetryPolicies;
|
||||
import org.apache.hadoop.io.retry.RetryPolicy;
|
||||
import org.apache.hadoop.io.retry.RetryPolicy.RetryAction;
|
||||
import org.apache.hadoop.ipc.ProtobufRpcEngine.RpcRequestMessageWrapper;
|
||||
import org.apache.hadoop.ipc.RPC.RpcKind;
|
||||
import org.apache.hadoop.ipc.Server.AuthProtocol;
|
||||
import org.apache.hadoop.ipc.protobuf.IpcConnectionContextProtos.IpcConnectionContextProto;
|
||||
import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcRequestHeaderProto;
|
||||
import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcRequestHeaderProto.OperationProto;
|
||||
import org.apache.hadoop.ipc.protobuf.RpcHeaderProtos.RpcResponseHeaderProto;
|
||||
@ -833,17 +838,20 @@ private void writeConnectionContext(ConnectionId remoteId,
|
||||
AuthMethod authMethod)
|
||||
throws IOException {
|
||||
// Write out the ConnectionHeader
|
||||
DataOutputBuffer buf = new DataOutputBuffer();
|
||||
ProtoUtil.makeIpcConnectionContext(
|
||||
IpcConnectionContextProto message = ProtoUtil.makeIpcConnectionContext(
|
||||
RPC.getProtocolName(remoteId.getProtocol()),
|
||||
remoteId.getTicket(),
|
||||
authMethod).writeTo(buf);
|
||||
authMethod);
|
||||
RpcRequestHeaderProto connectionContextHeader =
|
||||
ProtoUtil.makeRpcRequestHeader(RpcKind.RPC_PROTOCOL_BUFFER,
|
||||
OperationProto.RPC_FINAL_PACKET, CONNECTION_CONTEXT_CALL_ID,
|
||||
clientId);
|
||||
RpcRequestMessageWrapper request =
|
||||
new RpcRequestMessageWrapper(connectionContextHeader, message);
|
||||
|
||||
// Write out the packet length
|
||||
int bufLen = buf.getLength();
|
||||
|
||||
out.writeInt(bufLen);
|
||||
out.write(buf.getData(), 0, bufLen);
|
||||
out.writeInt(request.getLength());
|
||||
request.write(out);
|
||||
}
|
||||
|
||||
/* wait till someone signals us to start reading RPC response or
|
||||
|
@ -32,6 +32,8 @@ private RpcConstants() {
|
||||
public static final byte[] DUMMY_CLIENT_ID = new byte[0];
|
||||
|
||||
public static final int INVALID_CALL_ID = -2;
|
||||
|
||||
public static final int CONNECTION_CONTEXT_CALL_ID = -3;
|
||||
|
||||
/**
|
||||
* The first four bytes of Hadoop RPC connections
|
||||
|
@ -73,7 +73,7 @@
|
||||
import org.apache.hadoop.io.Writable;
|
||||
import org.apache.hadoop.io.WritableUtils;
|
||||
import static org.apache.hadoop.ipc.RpcConstants.CURRENT_VERSION;
|
||||
import org.apache.hadoop.ipc.ProtobufRpcEngine.RpcRequestMessageWrapper;
|
||||
import static org.apache.hadoop.ipc.RpcConstants.CONNECTION_CONTEXT_CALL_ID;
|
||||
import org.apache.hadoop.ipc.ProtobufRpcEngine.RpcResponseWrapper;
|
||||
import org.apache.hadoop.ipc.RPC.RpcInvoker;
|
||||
import org.apache.hadoop.ipc.RPC.VersionMismatch;
|
||||
@ -110,6 +110,7 @@
|
||||
import com.google.protobuf.ByteString;
|
||||
import com.google.protobuf.CodedOutputStream;
|
||||
import com.google.protobuf.Message;
|
||||
import com.google.protobuf.Message.Builder;
|
||||
|
||||
/** An abstract IPC service. IPC calls take a single {@link Writable} as a
|
||||
* parameter, and return a {@link Writable} as their value. A service runs on
|
||||
@ -776,9 +777,10 @@ void doRead(SelectionKey key) throws InterruptedException {
|
||||
LOG.info(getName() + ": readAndProcess caught InterruptedException", ieo);
|
||||
throw ieo;
|
||||
} catch (Exception e) {
|
||||
LOG.info(getName() + ": readAndProcess threw exception " + e +
|
||||
" from client " + c.getHostAddress() +
|
||||
". Count of bytes read: " + count, e);
|
||||
// log stack trace for "interesting" exceptions not sent to client
|
||||
LOG.info(getName() + ": readAndProcess from client " +
|
||||
c.getHostAddress() + " threw exception [" + e + "]",
|
||||
(e instanceof WrappedRpcServerException) ? null : e);
|
||||
count = -1; //so that the (count < 0) block is executed
|
||||
}
|
||||
if (count < 0) {
|
||||
@ -1098,6 +1100,32 @@ static AuthProtocol valueOf(int callId) {
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* Wrapper for RPC IOExceptions to be returned to the client. Used to
|
||||
* let exceptions bubble up to top of processOneRpc where the correct
|
||||
* callId can be associated with the response. Also used to prevent
|
||||
* unnecessary stack trace logging if it's not an internal server error.
|
||||
*/
|
||||
@SuppressWarnings("serial")
|
||||
private static class WrappedRpcServerException extends RpcServerException {
|
||||
private final RpcErrorCodeProto errCode;
|
||||
public WrappedRpcServerException(RpcErrorCodeProto errCode, IOException ioe) {
|
||||
super(ioe.toString(), ioe);
|
||||
this.errCode = errCode;
|
||||
}
|
||||
public WrappedRpcServerException(RpcErrorCodeProto errCode, String message) {
|
||||
this(errCode, new RpcServerException(message));
|
||||
}
|
||||
@Override
|
||||
public RpcErrorCodeProto getRpcErrorCodeProto() {
|
||||
return errCode;
|
||||
}
|
||||
@Override
|
||||
public String toString() {
|
||||
return getCause().toString();
|
||||
}
|
||||
}
|
||||
|
||||
/** Reads calls from a connection and queues them for handling. */
|
||||
public class Connection {
|
||||
private boolean connectionHeaderRead = false; // connection header is read?
|
||||
@ -1135,6 +1163,7 @@ public class Connection {
|
||||
|
||||
// Fake 'call' for failed authorization response
|
||||
private static final int AUTHORIZATION_FAILED_CALLID = -1;
|
||||
|
||||
private final Call authFailedCall =
|
||||
new Call(AUTHORIZATION_FAILED_CALLID, null, this);
|
||||
private ByteArrayOutputStream authFailedResponse = new ByteArrayOutputStream();
|
||||
@ -1215,7 +1244,7 @@ private boolean timedOut(long currentTime) {
|
||||
}
|
||||
|
||||
private UserGroupInformation getAuthorizedUgi(String authorizedId)
|
||||
throws IOException {
|
||||
throws InvalidToken, AccessControlException {
|
||||
if (authMethod == AuthMethod.TOKEN) {
|
||||
TokenIdentifier tokenId = SaslRpcServer.getIdentifier(authorizedId,
|
||||
secretManager);
|
||||
@ -1231,12 +1260,17 @@ private UserGroupInformation getAuthorizedUgi(String authorizedId)
|
||||
}
|
||||
}
|
||||
|
||||
private void saslReadAndProcess(byte[] saslToken) throws IOException,
|
||||
InterruptedException {
|
||||
if (!saslContextEstablished) {
|
||||
RpcSaslProto saslResponse;
|
||||
private RpcSaslProto saslReadAndProcess(DataInputStream dis) throws
|
||||
WrappedRpcServerException, InterruptedException {
|
||||
if (saslContextEstablished) {
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
|
||||
new SaslException("Negotiation is already complete"));
|
||||
}
|
||||
RpcSaslProto saslResponse = null;
|
||||
try {
|
||||
try {
|
||||
saslResponse = processSaslMessage(saslToken);
|
||||
saslResponse = processSaslMessage(dis);
|
||||
} catch (IOException e) {
|
||||
IOException sendToClient = e;
|
||||
Throwable cause = e;
|
||||
@ -1252,9 +1286,7 @@ private void saslReadAndProcess(byte[] saslToken) throws IOException,
|
||||
// attempting user could be null
|
||||
AUDITLOG.warn(AUTH_FAILED_FOR + clientIP + ":" + attemptingUser +
|
||||
" (" + e.getLocalizedMessage() + ")");
|
||||
// wait to send response until failure is logged
|
||||
doSaslReply(sendToClient);
|
||||
throw e;
|
||||
throw sendToClient;
|
||||
}
|
||||
|
||||
if (saslServer != null && saslServer.isComplete()) {
|
||||
@ -1272,37 +1304,19 @@ private void saslReadAndProcess(byte[] saslToken) throws IOException,
|
||||
AUDITLOG.info(AUTH_SUCCESSFUL_FOR + user);
|
||||
saslContextEstablished = true;
|
||||
}
|
||||
// send reply here to avoid a successful auth being logged as a
|
||||
// failure if response can't be sent
|
||||
doSaslReply(saslResponse);
|
||||
} else {
|
||||
if (LOG.isDebugEnabled())
|
||||
LOG.debug("Have read input token of size " + saslToken.length
|
||||
+ " for processing by saslServer.unwrap()");
|
||||
|
||||
if (!useWrap) {
|
||||
processOneRpc(saslToken);
|
||||
} else {
|
||||
byte[] plaintextData = saslServer.unwrap(saslToken, 0,
|
||||
saslToken.length);
|
||||
processUnwrappedData(plaintextData);
|
||||
}
|
||||
} catch (WrappedRpcServerException wrse) { // don't re-wrap
|
||||
throw wrse;
|
||||
} catch (IOException ioe) {
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_UNAUTHORIZED, ioe);
|
||||
}
|
||||
return saslResponse;
|
||||
}
|
||||
|
||||
private RpcSaslProto processSaslMessage(byte[] buf)
|
||||
private RpcSaslProto processSaslMessage(DataInputStream dis)
|
||||
throws IOException, InterruptedException {
|
||||
final DataInputStream dis =
|
||||
new DataInputStream(new ByteArrayInputStream(buf));
|
||||
RpcRequestMessageWrapper requestWrapper = new RpcRequestMessageWrapper();
|
||||
requestWrapper.readFields(dis);
|
||||
|
||||
final RpcRequestHeaderProto rpcHeader = requestWrapper.requestHeader;
|
||||
if (rpcHeader.getCallId() != AuthProtocol.SASL.callId) {
|
||||
throw new SaslException("Client sent non-SASL request");
|
||||
}
|
||||
final RpcSaslProto saslMessage =
|
||||
RpcSaslProto.parseFrom(requestWrapper.theRequestRead);
|
||||
decodeProtobufFromStream(RpcSaslProto.newBuilder(), dis);
|
||||
RpcSaslProto saslResponse = null;
|
||||
final SaslState state = saslMessage.getState(); // required
|
||||
switch (state) {
|
||||
@ -1352,8 +1366,7 @@ private RpcSaslProto processSaslMessage(byte[] buf)
|
||||
return saslResponse;
|
||||
}
|
||||
|
||||
private RpcSaslProto buildSaslResponse(SaslState state, byte[] replyToken)
|
||||
throws IOException {
|
||||
private RpcSaslProto buildSaslResponse(SaslState state, byte[] replyToken) {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Will send " + state + " token of size "
|
||||
+ ((replyToken != null) ? replyToken.length : null)
|
||||
@ -1367,8 +1380,7 @@ private RpcSaslProto buildSaslResponse(SaslState state, byte[] replyToken)
|
||||
return response.build();
|
||||
}
|
||||
|
||||
private void doSaslReply(Message message)
|
||||
throws IOException {
|
||||
private void doSaslReply(Message message) throws IOException {
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug("Sending sasl message "+message);
|
||||
}
|
||||
@ -1481,16 +1493,7 @@ public int readAndProcess() throws IOException, InterruptedException {
|
||||
dataLengthBuffer.clear();
|
||||
data.flip();
|
||||
boolean isHeaderRead = connectionContextRead;
|
||||
if (authProtocol == AuthProtocol.SASL) {
|
||||
// switch to simple must ignore next negotiate or initiate
|
||||
if (skipInitialSaslHandshake) {
|
||||
authProtocol = AuthProtocol.NONE;
|
||||
} else {
|
||||
saslReadAndProcess(data.array());
|
||||
}
|
||||
} else {
|
||||
processOneRpc(data.array());
|
||||
}
|
||||
processRpcRequestPacket(data.array());
|
||||
data = null;
|
||||
if (!isHeaderRead) {
|
||||
continue;
|
||||
@ -1525,6 +1528,7 @@ private AuthProtocol initializeAuthContext(int authType)
|
||||
// switch to simple hack, but don't switch if other auths are
|
||||
// supported, ex. tokens
|
||||
if (isSimpleEnabled && enabledAuthMethods.size() == 1) {
|
||||
authProtocol = AuthProtocol.NONE;
|
||||
skipInitialSaslHandshake = true;
|
||||
doSaslReply(buildSaslResponse(SaslState.SUCCESS, null));
|
||||
}
|
||||
@ -1624,11 +1628,21 @@ private void setupHttpRequestOnIpcPortResponse() throws IOException {
|
||||
responder.doRespond(fakeCall);
|
||||
}
|
||||
|
||||
/** Reads the connection context following the connection header */
|
||||
private void processConnectionContext(byte[] buf) throws IOException {
|
||||
DataInputStream in =
|
||||
new DataInputStream(new ByteArrayInputStream(buf));
|
||||
connectionContext = IpcConnectionContextProto.parseFrom(in);
|
||||
/** Reads the connection context following the connection header
|
||||
* @param dis - DataInputStream from which to read the header
|
||||
* @throws WrappedRpcServerException - if the header cannot be
|
||||
* deserialized, or the user is not authorized
|
||||
*/
|
||||
private void processConnectionContext(DataInputStream dis)
|
||||
throws WrappedRpcServerException {
|
||||
// allow only one connection context during a session
|
||||
if (connectionContextRead) {
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
|
||||
"Connection context already processed");
|
||||
}
|
||||
connectionContext = decodeProtobufFromStream(
|
||||
IpcConnectionContextProto.newBuilder(), dis);
|
||||
protocolName = connectionContext.hasProtocol() ? connectionContext
|
||||
.getProtocol() : null;
|
||||
|
||||
@ -1645,9 +1659,11 @@ private void processConnectionContext(byte[] buf) throws IOException {
|
||||
&& (!protocolUser.getUserName().equals(user.getUserName()))) {
|
||||
if (authMethod == AuthMethod.TOKEN) {
|
||||
// Not allowed to doAs if token authentication is used
|
||||
throw new AccessControlException("Authenticated user (" + user
|
||||
+ ") doesn't match what the client claims to be ("
|
||||
+ protocolUser + ")");
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_UNAUTHORIZED,
|
||||
new AccessControlException("Authenticated user (" + user
|
||||
+ ") doesn't match what the client claims to be ("
|
||||
+ protocolUser + ")"));
|
||||
} else {
|
||||
// Effective user can be different from authenticated user
|
||||
// for simple auth or kerberos auth
|
||||
@ -1658,9 +1674,34 @@ private void processConnectionContext(byte[] buf) throws IOException {
|
||||
}
|
||||
}
|
||||
}
|
||||
authorizeConnection();
|
||||
// don't set until after authz because connection isn't established
|
||||
connectionContextRead = true;
|
||||
}
|
||||
|
||||
private void processUnwrappedData(byte[] inBuf) throws IOException,
|
||||
/**
|
||||
* Process a RPC Request - if SASL wrapping is enabled, unwrap the
|
||||
* requests and process each one, else directly process the request
|
||||
* @param buf - single request or SASL wrapped requests
|
||||
* @throws IOException - connection failed to authenticate or authorize,
|
||||
* or the request could not be decoded into a Call
|
||||
* @throws InterruptedException
|
||||
*/
|
||||
private void processRpcRequestPacket(byte[] buf) throws IOException,
|
||||
InterruptedException {
|
||||
if (saslContextEstablished && useWrap) {
|
||||
if (LOG.isDebugEnabled())
|
||||
LOG.debug("Have read input token of size " + buf.length
|
||||
+ " for processing by saslServer.unwrap()");
|
||||
final byte[] plaintextData = saslServer.unwrap(buf, 0, buf.length);
|
||||
// loops over decoded data and calls processOneRpc
|
||||
unwrapPacketAndProcessRpcs(plaintextData);
|
||||
} else {
|
||||
processOneRpc(buf);
|
||||
}
|
||||
}
|
||||
|
||||
private void unwrapPacketAndProcessRpcs(byte[] inBuf) throws IOException,
|
||||
InterruptedException {
|
||||
ReadableByteChannel ch = Channels.newChannel(new ByteArrayInputStream(
|
||||
inBuf));
|
||||
@ -1699,61 +1740,93 @@ private void processUnwrappedData(byte[] inBuf) throws IOException,
|
||||
}
|
||||
}
|
||||
|
||||
private void processOneRpc(byte[] buf) throws IOException,
|
||||
InterruptedException {
|
||||
if (connectionContextRead) {
|
||||
processRpcRequest(buf);
|
||||
} else {
|
||||
processConnectionContext(buf);
|
||||
connectionContextRead = true;
|
||||
if (!authorizeConnection()) {
|
||||
throw new AccessControlException("Connection from " + this
|
||||
+ " for protocol " + connectionContext.getProtocol()
|
||||
+ " is unauthorized for user " + user);
|
||||
/**
|
||||
* Process an RPC Request - handle connection setup and decoding of
|
||||
* request into a Call
|
||||
* @param buf - contains the RPC request header and the rpc request
|
||||
* @throws IOException - internal error that should not be returned to
|
||||
* client, typically failure to respond to client
|
||||
* @throws WrappedRpcServerException - an exception to be sent back to
|
||||
* the client that does not require verbose logging by the
|
||||
* Listener thread
|
||||
* @throws InterruptedException
|
||||
*/
|
||||
private void processOneRpc(byte[] buf)
|
||||
throws IOException, WrappedRpcServerException, InterruptedException {
|
||||
int callId = -1;
|
||||
try {
|
||||
final DataInputStream dis =
|
||||
new DataInputStream(new ByteArrayInputStream(buf));
|
||||
final RpcRequestHeaderProto header =
|
||||
decodeProtobufFromStream(RpcRequestHeaderProto.newBuilder(), dis);
|
||||
callId = header.getCallId();
|
||||
if (LOG.isDebugEnabled()) {
|
||||
LOG.debug(" got #" + callId);
|
||||
}
|
||||
checkRpcHeaders(header);
|
||||
|
||||
if (callId < 0) { // callIds typically used during connection setup
|
||||
processRpcOutOfBandRequest(header, dis);
|
||||
} else if (!connectionContextRead) {
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
|
||||
"Connection context not established");
|
||||
} else {
|
||||
processRpcRequest(header, dis);
|
||||
}
|
||||
} catch (WrappedRpcServerException wrse) { // inform client of error
|
||||
Throwable ioe = wrse.getCause();
|
||||
final Call call = new Call(callId, null, this);
|
||||
setupResponse(authFailedResponse, call,
|
||||
RpcStatusProto.FATAL, wrse.getRpcErrorCodeProto(), null,
|
||||
ioe.getClass().getName(), ioe.getMessage());
|
||||
responder.doRespond(call);
|
||||
throw wrse;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Process an RPC Request - the connection headers and context have been
|
||||
* read
|
||||
* @param buf - contains the RPC request header and the rpc request
|
||||
* @throws RpcServerException due to fatal rpc layer issues such as
|
||||
* invalid header. In this case a RPC fatal status response is sent back
|
||||
* to client.
|
||||
* Verify RPC header is valid
|
||||
* @param header - RPC request header
|
||||
* @throws WrappedRpcServerException - header contains invalid values
|
||||
*/
|
||||
|
||||
private void processRpcRequest(byte[] buf)
|
||||
throws RpcServerException, IOException, InterruptedException {
|
||||
DataInputStream dis =
|
||||
new DataInputStream(new ByteArrayInputStream(buf));
|
||||
RpcRequestHeaderProto header = RpcRequestHeaderProto.parseDelimitedFrom(dis);
|
||||
|
||||
if (LOG.isDebugEnabled())
|
||||
LOG.debug(" got #" + header.getCallId());
|
||||
private void checkRpcHeaders(RpcRequestHeaderProto header)
|
||||
throws WrappedRpcServerException {
|
||||
if (!header.hasRpcOp()) {
|
||||
String err = " IPC Server: No rpc op in rpcRequestHeader";
|
||||
respondBadRpcHeader(new Call(header.getCallId(), null, this),
|
||||
RpcServerException.class.getName(), err);
|
||||
throw new RpcServerException(err);
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER, err);
|
||||
}
|
||||
if (header.getRpcOp() !=
|
||||
RpcRequestHeaderProto.OperationProto.RPC_FINAL_PACKET) {
|
||||
String err = "IPC Server does not implement rpc header operation" +
|
||||
header.getRpcOp();
|
||||
respondBadRpcHeader(new Call(header.getCallId(), null, this),
|
||||
RpcServerException.class.getName(), err);
|
||||
throw new RpcServerException(err);
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER, err);
|
||||
}
|
||||
// If we know the rpc kind, get its class so that we can deserialize
|
||||
// (Note it would make more sense to have the handler deserialize but
|
||||
// we continue with this original design.
|
||||
if (!header.hasRpcKind()) {
|
||||
String err = " IPC Server: No rpc kind in rpcRequestHeader";
|
||||
respondBadRpcHeader(new Call(header.getCallId(), null, this),
|
||||
RpcServerException.class.getName(), err);
|
||||
throw new RpcServerException(err);
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER, err);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Process an RPC Request - the connection headers and context must
|
||||
* have been already read
|
||||
* @param header - RPC request header
|
||||
* @param dis - stream to request payload
|
||||
* @throws WrappedRpcServerException - due to fatal rpc layer issues such
|
||||
* as invalid header or deserialization error. In this case a RPC fatal
|
||||
* status response will later be sent back to client.
|
||||
* @throws InterruptedException
|
||||
*/
|
||||
private void processRpcRequest(RpcRequestHeaderProto header,
|
||||
DataInputStream dis) throws WrappedRpcServerException,
|
||||
InterruptedException {
|
||||
Class<? extends Writable> rpcRequestClass =
|
||||
getRpcRequestWrapper(header.getRpcKind());
|
||||
if (rpcRequestClass == null) {
|
||||
@ -1761,9 +1834,8 @@ private void processRpcRequest(byte[] buf)
|
||||
" from client " + getHostAddress());
|
||||
final String err = "Unknown rpc kind in rpc header" +
|
||||
header.getRpcKind();
|
||||
respondBadRpcHeader(new Call(header.getCallId(), null, this),
|
||||
RpcServerException.class.getName(), err);
|
||||
throw new RpcServerException(err);
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER, err);
|
||||
}
|
||||
Writable rpcRequest;
|
||||
try { //Read the rpc request
|
||||
@ -1773,17 +1845,9 @@ private void processRpcRequest(byte[] buf)
|
||||
LOG.warn("Unable to read call parameters for client " +
|
||||
getHostAddress() + "on connection protocol " +
|
||||
this.protocolName + " for rpcKind " + header.getRpcKind(), t);
|
||||
final Call readParamsFailedCall =
|
||||
new Call(header.getCallId(), null, this);
|
||||
ByteArrayOutputStream responseBuffer = new ByteArrayOutputStream();
|
||||
String err = "IPC server unable to read call parameters: "+ t.getMessage();
|
||||
|
||||
setupResponse(responseBuffer, readParamsFailedCall,
|
||||
RpcStatusProto.FATAL, RpcErrorCodeProto.FATAL_DESERIALIZING_REQUEST,
|
||||
null, t.getClass().getName(),
|
||||
err);
|
||||
responder.doRespond(readParamsFailedCall);
|
||||
throw new RpcServerException(err, t);
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_DESERIALIZING_REQUEST, err);
|
||||
}
|
||||
|
||||
Call call = new Call(header.getCallId(), rpcRequest, this,
|
||||
@ -1793,7 +1857,59 @@ private void processRpcRequest(byte[] buf)
|
||||
incRpcCount(); // Increment the rpc count
|
||||
}
|
||||
|
||||
private boolean authorizeConnection() throws IOException {
|
||||
|
||||
/**
|
||||
* Establish RPC connection setup by negotiating SASL if required, then
|
||||
* reading and authorizing the connection header
|
||||
* @param header - RPC header
|
||||
* @param dis - stream to request payload
|
||||
* @throws WrappedRpcServerException - setup failed due to SASL
|
||||
* negotiation failure, premature or invalid connection context,
|
||||
* or other state errors
|
||||
* @throws IOException - failed to send a response back to the client
|
||||
* @throws InterruptedException
|
||||
*/
|
||||
private void processRpcOutOfBandRequest(RpcRequestHeaderProto header,
|
||||
DataInputStream dis) throws WrappedRpcServerException, IOException,
|
||||
InterruptedException {
|
||||
final int callId = header.getCallId();
|
||||
if (callId == CONNECTION_CONTEXT_CALL_ID) {
|
||||
// SASL must be established prior to connection context
|
||||
if (authProtocol == AuthProtocol.SASL && !saslContextEstablished) {
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
|
||||
"Connection header sent during SASL negotiation");
|
||||
}
|
||||
// read and authorize the user
|
||||
processConnectionContext(dis);
|
||||
} else if (callId == AuthProtocol.SASL.callId) {
|
||||
// if client was switched to simple, ignore first SASL message
|
||||
if (authProtocol != AuthProtocol.SASL) {
|
||||
if (!skipInitialSaslHandshake) {
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
|
||||
"SASL protocol not requested by client");
|
||||
}
|
||||
skipInitialSaslHandshake = false;
|
||||
return;
|
||||
}
|
||||
RpcSaslProto response = saslReadAndProcess(dis);
|
||||
// send back response if any, may throw IOException
|
||||
if (response != null) {
|
||||
doSaslReply(response);
|
||||
}
|
||||
} else {
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
|
||||
"Unknown out of band call #" + callId);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Authorize proxy users to access this server
|
||||
* @throws WrappedRpcServerException - user is not allowed to proxy
|
||||
*/
|
||||
private void authorizeConnection() throws WrappedRpcServerException {
|
||||
try {
|
||||
// If auth method is DIGEST, the token was obtained by the
|
||||
// real user for the effective user, therefore not required to
|
||||
@ -1809,16 +1925,36 @@ private boolean authorizeConnection() throws IOException {
|
||||
}
|
||||
rpcMetrics.incrAuthorizationSuccesses();
|
||||
} catch (AuthorizationException ae) {
|
||||
LOG.info("Connection from " + this
|
||||
+ " for protocol " + connectionContext.getProtocol()
|
||||
+ " is unauthorized for user " + user);
|
||||
rpcMetrics.incrAuthorizationFailures();
|
||||
setupResponse(authFailedResponse, authFailedCall,
|
||||
RpcStatusProto.FATAL, RpcErrorCodeProto.FATAL_UNAUTHORIZED, null,
|
||||
ae.getClass().getName(), ae.getMessage());
|
||||
responder.doRespond(authFailedCall);
|
||||
return false;
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_UNAUTHORIZED, ae);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Decode the a protobuf from the given input stream
|
||||
* @param builder - Builder of the protobuf to decode
|
||||
* @param dis - DataInputStream to read the protobuf
|
||||
* @return Message - decoded protobuf
|
||||
* @throws WrappedRpcServerException - deserialization failed
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
private <T extends Message> T decodeProtobufFromStream(Builder builder,
|
||||
DataInputStream dis) throws WrappedRpcServerException {
|
||||
try {
|
||||
builder.mergeDelimitedFrom(dis);
|
||||
return (T)builder.build();
|
||||
} catch (Exception ioe) {
|
||||
Class<?> protoClass = builder.getDefaultInstanceForType().getClass();
|
||||
throw new WrappedRpcServerException(
|
||||
RpcErrorCodeProto.FATAL_DESERIALIZING_REQUEST,
|
||||
"Error decoding " + protoClass.getSimpleName() + ": "+ ioe);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Get service class for connection
|
||||
* @return the serviceClass
|
||||
@ -2223,18 +2359,6 @@ private void setupResponseOldVersionFatal(ByteArrayOutputStream response,
|
||||
}
|
||||
|
||||
|
||||
private void respondBadRpcHeader(Call call, String errorClass, String error)
|
||||
throws IOException
|
||||
{
|
||||
ByteArrayOutputStream responseBuf = new ByteArrayOutputStream();
|
||||
setupResponse(responseBuf, call,
|
||||
RpcStatusProto.FATAL, RpcErrorCodeProto.FATAL_INVALID_RPC_HEADER,
|
||||
null, errorClass, error);
|
||||
responder.doRespond(call);
|
||||
return;
|
||||
|
||||
}
|
||||
|
||||
private void wrapWithSasl(ByteArrayOutputStream response, Call call)
|
||||
throws IOException {
|
||||
if (call.connection.saslServer != null) {
|
||||
|
@ -312,7 +312,7 @@ public void testErrorMessage() throws Exception {
|
||||
doDigestRpc(server, sm);
|
||||
} catch (RemoteException e) {
|
||||
LOG.info("LOGGING MESSAGE: " + e.getLocalizedMessage());
|
||||
assertTrue(ERROR_MESSAGE.equals(e.getLocalizedMessage()));
|
||||
assertEquals(ERROR_MESSAGE, e.getLocalizedMessage());
|
||||
assertTrue(e.unwrapRemoteException() instanceof InvalidToken);
|
||||
succeeded = true;
|
||||
}
|
||||
@ -818,6 +818,7 @@ public Server run() throws IOException {
|
||||
}
|
||||
|
||||
try {
|
||||
LOG.info("trying ugi:"+clientUgi+" tokens:"+clientUgi.getTokens());
|
||||
return clientUgi.doAs(new PrivilegedExceptionAction<String>() {
|
||||
@Override
|
||||
public String run() throws IOException {
|
||||
|
Loading…
Reference in New Issue
Block a user