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-rw-r--r--gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/ShowConnections.java241
1 files changed, 0 insertions, 241 deletions
diff --git a/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/ShowConnections.java b/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/ShowConnections.java
deleted file mode 100644
index d3bb8feacd..0000000000
--- a/gerrit-sshd/src/main/java/com/google/gerrit/sshd/commands/ShowConnections.java
+++ /dev/null
@@ -1,241 +0,0 @@
-// Copyright (C) 2009 The Android Open Source Project
-//
-// Licensed 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 com.google.gerrit.sshd.commands;
-
-import static com.google.common.base.Preconditions.checkState;
-import static com.google.gerrit.sshd.CommandMetaData.Mode.MASTER_OR_SLAVE;
-
-import com.google.gerrit.common.TimeUtil;
-import com.google.gerrit.common.data.GlobalCapability;
-import com.google.gerrit.extensions.annotations.RequiresCapability;
-import com.google.gerrit.server.CurrentUser;
-import com.google.gerrit.server.IdentifiedUser;
-import com.google.gerrit.server.util.IdGenerator;
-import com.google.gerrit.sshd.CommandMetaData;
-import com.google.gerrit.sshd.SshCommand;
-import com.google.gerrit.sshd.SshDaemon;
-import com.google.gerrit.sshd.SshSession;
-import com.google.inject.Inject;
-import java.io.IOException;
-import java.net.InetAddress;
-import java.net.InetSocketAddress;
-import java.net.SocketAddress;
-import java.text.SimpleDateFormat;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.Date;
-import java.util.List;
-import org.apache.sshd.common.io.IoAcceptor;
-import org.apache.sshd.common.io.IoSession;
-import org.apache.sshd.common.io.mina.MinaAcceptor;
-import org.apache.sshd.common.io.mina.MinaSession;
-import org.apache.sshd.common.io.nio2.Nio2Acceptor;
-import org.apache.sshd.common.session.helpers.AbstractSession;
-import org.apache.sshd.server.Environment;
-import org.kohsuke.args4j.Option;
-
-/** Show the current SSH connections. */
-@RequiresCapability(GlobalCapability.VIEW_CONNECTIONS)
-@CommandMetaData(
- name = "show-connections",
- description = "Display active client SSH connections",
- runsAt = MASTER_OR_SLAVE)
-final class ShowConnections extends SshCommand {
- @Option(
- name = "--numeric",
- aliases = {"-n"},
- usage = "don't resolve names")
- private boolean numeric;
-
- @Option(
- name = "--wide",
- aliases = {"-w"},
- usage = "display without line width truncation")
- private boolean wide;
-
- @Inject private SshDaemon daemon;
-
- private int hostNameWidth;
- private int columns = 80;
-
- @Override
- public void start(Environment env) throws IOException {
- String s = env.getEnv().get(Environment.ENV_COLUMNS);
- if (s != null && !s.isEmpty()) {
- try {
- columns = Integer.parseInt(s);
- } catch (NumberFormatException err) {
- columns = 80;
- }
- }
- super.start(env);
- }
-
- @Override
- protected void run() throws Failure {
- final IoAcceptor acceptor = daemon.getIoAcceptor();
- if (acceptor == null) {
- throw new Failure(1, "fatal: sshd no longer running");
- }
-
- final List<IoSession> list = new ArrayList<>(acceptor.getManagedSessions().values());
- Collections.sort(
- list,
- new Comparator<IoSession>() {
- @Override
- public int compare(IoSession arg0, IoSession arg1) {
- if (arg0 instanceof MinaSession) {
- MinaSession mArg0 = (MinaSession) arg0;
- MinaSession mArg1 = (MinaSession) arg1;
- if (mArg0.getSession().getCreationTime() < mArg1.getSession().getCreationTime()) {
- return -1;
- } else if (mArg0.getSession().getCreationTime()
- > mArg1.getSession().getCreationTime()) {
- return 1;
- }
- }
- return (int) (arg0.getId() - arg1.getId());
- }
- });
-
- hostNameWidth = wide ? Integer.MAX_VALUE : columns - 9 - 9 - 10 - 32;
-
- if (getBackend().equals("mina")) {
- long now = TimeUtil.nowMs();
- stdout.print(
- String.format(
- "%-8s %8s %8s %-15s %s\n", "Session", "Start", "Idle", "User", "Remote Host"));
- stdout.print("--------------------------------------------------------------\n");
- for (IoSession io : list) {
- checkState(io instanceof MinaSession, "expected MinaSession");
- MinaSession minaSession = (MinaSession) io;
- long start = minaSession.getSession().getCreationTime();
- long idle = now - minaSession.getSession().getLastIoTime();
- AbstractSession s = AbstractSession.getSession(io, true);
- SshSession sd = s != null ? s.getAttribute(SshSession.KEY) : null;
-
- stdout.print(
- String.format(
- "%8s %8s %8s %-15.15s %s\n",
- id(sd),
- time(now, start),
- age(idle),
- username(sd),
- hostname(io.getRemoteAddress())));
- }
- } else {
- stdout.print(String.format("%-8s %-15s %s\n", "Session", "User", "Remote Host"));
- stdout.print("--------------------------------------------------------------\n");
- for (IoSession io : list) {
- AbstractSession s = AbstractSession.getSession(io, true);
- SshSession sd = s != null ? s.getAttribute(SshSession.KEY) : null;
-
- stdout.print(
- String.format(
- "%8s %-15.15s %s\n", id(sd), username(sd), hostname(io.getRemoteAddress())));
- }
- }
-
- stdout.print("--\n");
- stdout.print("SSHD Backend: " + getBackend() + "\n");
- }
-
- private String getBackend() {
- IoAcceptor acceptor = daemon.getIoAcceptor();
- if (acceptor == null) {
- return "";
- } else if (acceptor instanceof MinaAcceptor) {
- return "mina";
- } else if (acceptor instanceof Nio2Acceptor) {
- return "nio2";
- } else {
- return "unknown";
- }
- }
-
- private static String id(SshSession sd) {
- return sd != null ? IdGenerator.format(sd.getSessionId()) : "";
- }
-
- private static String time(long now, long time) {
- if (now - time < 24 * 60 * 60 * 1000L) {
- return new SimpleDateFormat("HH:mm:ss").format(new Date(time));
- }
- return new SimpleDateFormat("MMM-dd").format(new Date(time));
- }
-
- private static String age(long age) {
- age /= 1000;
-
- final int sec = (int) (age % 60);
- age /= 60;
-
- final int min = (int) (age % 60);
- age /= 60;
-
- final int hr = (int) (age % 60);
- return String.format("%02d:%02d:%02d", hr, min, sec);
- }
-
- private String username(SshSession sd) {
- if (sd == null) {
- return "";
- }
-
- final CurrentUser user = sd.getUser();
- if (user != null && user.isIdentifiedUser()) {
- IdentifiedUser u = user.asIdentifiedUser();
-
- if (!numeric) {
- String name = u.getAccount().getUserName();
- if (name != null && !name.isEmpty()) {
- return name;
- }
- }
-
- return "a/" + u.getAccountId().toString();
- }
- return "";
- }
-
- private String hostname(SocketAddress remoteAddress) {
- if (remoteAddress == null) {
- return "?";
- }
- String host = null;
- if (remoteAddress instanceof InetSocketAddress) {
- final InetSocketAddress sa = (InetSocketAddress) remoteAddress;
- final InetAddress in = sa.getAddress();
- if (numeric) {
- return in.getHostAddress();
- }
- if (in != null) {
- host = in.getCanonicalHostName();
- } else {
- host = sa.getHostName();
- }
- }
- if (host == null) {
- host = remoteAddress.toString();
- }
-
- if (host.length() > hostNameWidth) {
- return host.substring(0, hostNameWidth);
- }
-
- return host;
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-14 00:59:10 +0000