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Apache ZooKeeper Server Source Code
Apache ZooKeeper is an open-source server which enables highly reliable distributed coordination.
Apache ZooKeeper Server Source Code files are provided in the source package file, apache-zookeeper-3.8.0.tar.gz.
You can download apache-zookeeper-3.8.0.tar.gz as described in the previous tutorial and go to the "zookeeper-server" sub-folder to view Apache ZooKeeper Server Source Code files.
You can also browse Apache ZooKeeper Server Source Code below:
✍: FYIcenter.com
⏎ org/apache/zookeeper/server/auth/IPAuthenticationProvider.java
/* * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.zookeeper.server.auth; import org.apache.zookeeper.KeeperException; import org.apache.zookeeper.data.Id; import org.apache.zookeeper.server.ServerCnxn; public class IPAuthenticationProvider implements AuthenticationProvider { public String getScheme() { return "ip"; } public KeeperException.Code handleAuthentication(ServerCnxn cnxn, byte[] authData) { String id = cnxn.getRemoteSocketAddress().getAddress().getHostAddress(); cnxn.addAuthInfo(new Id(getScheme(), id)); return KeeperException.Code.OK; } // This is a bit weird but we need to return the address and the number of // bytes (to distinguish between IPv4 and IPv6 private byte[] addr2Bytes(String addr) { byte[] b = v4addr2Bytes(addr); // TODO Write the v6addr2Bytes return b; } private byte[] v4addr2Bytes(String addr) { String[] parts = addr.split("\\.", -1); if (parts.length != 4) { return null; } byte[] b = new byte[4]; for (int i = 0; i < 4; i++) { try { int v = Integer.parseInt(parts[i]); if (v >= 0 && v <= 255) { b[i] = (byte) v; } else { return null; } } catch (NumberFormatException e) { return null; } } return b; } private void mask(byte[] b, int bits) { int start = bits / 8; int startMask = (1 << (8 - (bits % 8))) - 1; startMask = ~startMask; while (start < b.length) { b[start] &= startMask; startMask = 0; start++; } } public boolean matches(String id, String aclExpr) { String[] parts = aclExpr.split("/", 2); byte[] aclAddr = addr2Bytes(parts[0]); if (aclAddr == null) { return false; } int bits = aclAddr.length * 8; if (parts.length == 2) { try { bits = Integer.parseInt(parts[1]); if (bits < 0 || bits > aclAddr.length * 8) { return false; } } catch (NumberFormatException e) { return false; } } mask(aclAddr, bits); byte[] remoteAddr = addr2Bytes(id); if (remoteAddr == null) { return false; } mask(remoteAddr, bits); for (int i = 0; i < remoteAddr.length; i++) { if (remoteAddr[i] != aclAddr[i]) { return false; } } return true; } public boolean isAuthenticated() { return false; } public boolean isValid(String id) { String[] parts = id.split("/", 2); byte[] aclAddr = addr2Bytes(parts[0]); if (aclAddr == null) { return false; } if (parts.length == 2) { try { int bits = Integer.parseInt(parts[1]); if (bits < 0 || bits > aclAddr.length * 8) { return false; } } catch (NumberFormatException e) { return false; } } return true; } }
⏎ org/apache/zookeeper/server/auth/IPAuthenticationProvider.java
Or download all of them as a single archive file:
File name: zookeeper-server-3.8.0-fyi.zip File size: 885581 bytes Release date: 2022-02-25 Download
⇒ Apache ZooKeeper Jute Source Code
⇐ Download and Install Apache ZooKeeper Source Package
2022-11-16, 13891👍, 0💬
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