/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* questions.
*/
/**
* @test
* @bug 8012453 8016046
* @run main/othervm ExecCommand
* @summary workaround for legacy applications with Runtime.getRuntime().exec(String command)
*/
import java.io.BufferedWriter;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileWriter;
import java.io.IOException;
import java.nio.file.FileSystems;
import java.nio.file.Files;
import java.security.AccessControlException;
public class ExecCommand {
static class SecurityMan extends SecurityManager {
public static String unquote(String str)
{
int length = (str == null)
? 0
: str.length();
if (length > 1
&& str.charAt(0) == '\"'
&& str.charAt(length - 1) == '\"')
{
return str.substring(1, length - 1);
}
return str;
}
@Override public void checkExec(String cmd) {
String ncmd = (new File(unquote(cmd))).getPath();
if ( ncmd.equals(".\\Program")
|| ncmd.equals("\".\\Program")
|| ncmd.equals(".\\Program Files\\do.cmd")
|| ncmd.equals(".\\Program.cmd")
|| ncmd.equals("cmd"))
{
return;
}
super.checkExec(cmd);
}
@Override public void checkDelete(String file) {}
@Override public void checkRead(String file) {}
}
// Parameters for the Runtime.exec calls
private static final String TEST_RTE_ARG[] = {
"cmd /C dir > dirOut.txt",
"cmd /C dir > \".\\Program Files\\dirOut.txt\"",
".\\Program Files\\do.cmd",
"\".\\Program Files\\doNot.cmd\" arg",
"\".\\Program Files\\do.cmd\" arg",
// compatibility
"\".\\Program.cmd\" arg",
".\\Program.cmd arg",
};
private static final String doCmdCopy[] = {
".\\Program.cmd",
".\\Program Files\\doNot.cmd",
".\\Program Files\\do.cmd",
};
// Golden image for results
private static final String TEST_RTE_GI[][] = {
//Def Legacy mode, Enforced mode, Set Legacy mode, Set Legacy mode & SM
// [cmd /C dir > dirOut.txt]
new String[]{"Success",
"IOException", // [cmd /C dir ">" dirOut.txt] no redirection
"Success",
"IOException"}, //SM - no legacy mode, bad command
// [cmd /C dir > ".\Program Files\dirOut.txt"]
new String[]{"Success",
"IOException", // [cmd /C dir ">" ".\Program Files\dirOut.txt"] no redirection
"Success",
"IOException"}, //SM - no legacy mode, bad command
// [.\Program File\do.cmd]
new String[]{"Success",
"IOException", // [.\Program] not found
"Success",
"IOException"}, //SM - no legacy mode [.\Program] - OK
// [".\Program File\doNot.cmd" arg]
new String[]{"Success",
"Success",
"Success",
"AccessControlException"}, //SM - [".\Program] - OK,
// [.\\Program Files\\doNot.cmd] - Fail
// [".\Program File\do.cmd" arg]
// AccessControlException
new String[]{"Success",
"Success",
"Success",
"Success"}, //SM - [".\Program] - OK,
// [.\\Program Files\\do.cmd] - OK
// compatibility
new String[]{"Success", "Success", "Success", "Success"}, //[".\Program.cmd"]
new String[]{"Success", "Success", "Success", "Success"} //[.\Program.cmd]
};
private static void deleteOut(String path) {
try {
Files.delete(FileSystems.getDefault().getPath(path));
} catch (IOException ex) {
//that is OK
}
}
private static void checkOut(String path) throws FileNotFoundException {
if (Files.notExists(FileSystems.getDefault().getPath(path)))
throw new FileNotFoundException(path);
}
public static void main(String[] _args) throws Exception {
if (!System.getProperty("os.name").startsWith("Windows")) {
return;
}
// tear up
try {
new File(".\\Program Files").mkdirs();
for (int i = 0; i < doCmdCopy.length; ++i) {
try (BufferedWriter outCmd = new BufferedWriter(
new FileWriter(doCmdCopy[i]))) {
outCmd.write("@echo %1");
}
}
} catch (IOException e) {
throw new Error(e.getMessage());
}
// action
for (int k = 0; k < 4; ++k) {
switch (k) {
case 0:
// the "jdk.lang.Process.allowAmbiguousCommands" is undefined
// "true" by default with the legacy verification procedure
break;
case 1:
System.setProperty("jdk.lang.Process.allowAmbiguousCommands", "false");
break;
case 2:
System.setProperty("jdk.lang.Process.allowAmbiguousCommands", "");
break;
case 3:
System.setSecurityManager( new SecurityMan() );
break;
}
for (int i = 0; i < TEST_RTE_ARG.length; ++i) {
String outRes;
try {
// tear up
switch (i) {
case 0:
// [cmd /C dir > dirOut.txt]
deleteOut(".\\dirOut.txt");
break;
case 1:
// [cmd /C dir > ".\Program Files\dirOut.txt"]
deleteOut(".\\Program Files\\dirOut.txt");
break;
}
Process exec = Runtime.getRuntime().exec(TEST_RTE_ARG[i]);
exec.waitFor();
//exteded check
switch (i) {
case 0:
// [cmd /C dir > dirOut.txt]
checkOut(".\\dirOut.txt");
break;
case 1:
// [cmd /C dir > ".\Program Files\dirOut.txt"]
checkOut(".\\Program Files\\dirOut.txt");
break;
}
outRes = "Success";
} catch (IOException ioe) {
outRes = "IOException: " + ioe.getMessage();
} catch (IllegalArgumentException iae) {
outRes = "IllegalArgumentException: " + iae.getMessage();
} catch (AccessControlException se) {
outRes = "AccessControlException: " + se.getMessage();
}
if (!outRes.startsWith(TEST_RTE_GI[i][k])) {
throw new Error("Unexpected output! Step" + k + ":" + i
+ "\nArgument: " + TEST_RTE_ARG[i]
+ "\nExpected: " + TEST_RTE_GI[i][k]
+ "\n Output: " + outRes);
} else {
System.out.println("RTE OK:" + TEST_RTE_ARG[i]);
}
}
}
}
}