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DBZ-8445 Add support for mysql_clear_password #11

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Merged
merged 1 commit into from
Nov 26, 2024
Merged

DBZ-8445 Add support for mysql_clear_password #11

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18 changes: 10 additions & 8 deletions src/main/java/com/github/shyiko/mysql/binlog/network/Authenticator.java
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Original file line number Diff line number Diff line change
Expand Up @@ -5,13 +5,7 @@
import com.github.shyiko.mysql.binlog.network.protocol.ErrorPacket;
import com.github.shyiko.mysql.binlog.network.protocol.GreetingPacket;
import com.github.shyiko.mysql.binlog.network.protocol.PacketChannel;
import com.github.shyiko.mysql.binlog.network.protocol.command.AuthenticateNativePasswordCommand;
import com.github.shyiko.mysql.binlog.network.protocol.command.AuthenticateSHA2Command;
import com.github.shyiko.mysql.binlog.network.protocol.command.AuthenticateSHA2RSAPasswordCommand;
import com.github.shyiko.mysql.binlog.network.protocol.command.AuthenticateSecurityPasswordCommand;
import com.github.shyiko.mysql.binlog.network.protocol.command.ByteArrayCommand;
import com.github.shyiko.mysql.binlog.network.protocol.command.Command;
import com.github.shyiko.mysql.binlog.network.protocol.command.SSLRequestCommand;
import com.github.shyiko.mysql.binlog.network.protocol.command.*;

import java.io.IOException;
import java.util.Arrays;
Expand All @@ -21,7 +15,8 @@
public class Authenticator {
private enum AuthMethod {
NATIVE,
CACHING_SHA2
CACHING_SHA2,
CLEAR_PASSWORD
};

private final GreetingPacket greetingPacket;
Expand All @@ -35,6 +30,7 @@ private enum AuthMethod {

private final String SHA2_PASSWORD = "caching_sha2_password";
private final String MYSQL_NATIVE = "mysql_native_password";
private final String MYSQL_CLEAR_PASSWORD = "mysql_clear_password";

private AuthMethod authMethod = AuthMethod.NATIVE;

Expand Down Expand Up @@ -170,6 +166,12 @@ private void switchAuthentication(byte[] authenticationResult) throws IOExceptio
this.scramble = buffer.readZeroTerminatedString();
Command authCommand = new AuthenticateSHA2Command(scramble, password);
channel.write(authCommand);
} else if (MYSQL_CLEAR_PASSWORD.equals(authName)) {
authMethod = AuthMethod.CLEAR_PASSWORD;

Command swithCommand = new AuthenticateClearPasswordCommand(password);
channel.write(swithCommand);

} else {
throw new AuthenticationException("unsupported authentication method: " + authName);
}
Expand Down
20 changes: 20 additions & 0 deletions ...github/shyiko/mysql/binlog/network/protocol/command/AuthenticateClearPasswordCommand.java
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Original file line number Diff line number Diff line change
@@ -0,0 +1,20 @@
package com.github.shyiko.mysql.binlog.network.protocol.command;

import com.github.shyiko.mysql.binlog.io.ByteArrayOutputStream;

import java.io.IOException;

public class AuthenticateClearPasswordCommand implements Command {
private String password;

public AuthenticateClearPasswordCommand(String password) {
this.password = password;
}

@Override
public byte[] toByteArray() throws IOException {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
buffer.writeZeroTerminatedString(password);
return buffer.toByteArray();
}
}
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