/*
* Copyright ( c ) 2016 , 2017 , 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
* or visit www . oracle . com if you need additional information or have any
* questions .
*/
/**
*
* @ test
* @ bug 8164705
* @ modules java . base / java . io : open
* @ summary Remove pathname canonicalization from FilePermission
*/
import java.io.FilePermission;
import java.lang.reflect.Method;
import java.nio.file.Path;
import java.nio.file.Paths;
public class Correctness {
static boolean err = false ;
static Method containsMethod;
static boolean isWindows =
System.getProperty("os.name" ).contains("Windows" );
public static void main(String args[]) throws Exception {
check("/" , "/" );
checkNo("/" , "/x" );
checkNo("/" , "/../x" );
checkNo("/" , "x" );
check("/-" , "/*");
checkNo("/*", "/-");
check("/*", "/x");
check("/-" , "/x" );
check("/-" , "/x/*");
check("/-" , "/x/-" );
check("/-" , "/x/y" );
checkNo("/*", "/x/y");
check("/x/*", "/x/x");
checkNo("/x/-" , "/x" );
checkNo("/x/*", "/x");
check("/x/-" , "/x/x" );
check("/x/-" , "/x/x/y" );
checkNo("/x/*", "/x/x/y");
checkNo("/x/*", "/x");
check("*" , "x" );
checkNo("" , "x" );
check("-" , "x" );
check("-" , "*" );
check("-" , "a/-" );
check("-" , "a/*");
checkNo("*" , "a/b" );
check("a/*", "a/b");
check("a/-" , "a/*");
check("a/-" , "a/b/c" );
checkNo("a/*", "a/b/c");
check("../" , "../" );
check("../-" , "../*");
check("../../*", "../../a");
// If we allow .. and abs/rel checks
check("../-" , "a" );
check("../../-" , "-" );
checkNo("../../*", "a");
//check("/-", "a");
//checkNo("/*", "a");
//check("/-", "-");
try {
containsMethod = FilePermission.class .getDeclaredMethod(
"containsPath" , Path.class , Path.class );
containsMethod.setAccessible(true );
System.out.println();
// The 1st 2 args of contains() must be normalized paths.
// When FilePermission::containsPath is called by implies,
// paths have already been normalized.
contains("x" , "x" , 0 );
contains("x" , "x/y" , 1 );
contains("x" , "x/y/z" , 2 );
contains("x" , "y" , -1 );
contains("x" , "" , -1 );
contains("" , "" , 0 );
contains("" , "x" , 1 );
contains("" , "x/y" , 2 );
contains("/" , "/" , 0 );
contains("/" , "/x" , 1 );
contains("/" , "/x/y" , 2 );
contains("/x" , "/x/y" , 1 );
contains("/x" , "/y" , -1 );
//contains("/", "..", Integer.MAX_VALUE);
//contains("/", "x", Integer.MAX_VALUE);
//contains("/", "x/y", Integer.MAX_VALUE);
//contains("/", "../x", Integer.MAX_VALUE);
contains("/x" , "y" , -1 );
contains("x" , "/y" , -1 );
contains("" , ".." , -1 );
contains("" , "../x" , -1 );
contains(".." , "" , 1 );
contains(".." , "x" , 2 );
contains(".." , "x/y" , 3 );
contains("../x" , "x" , -1 );
contains("../x" , "y" , -1 );
contains("../x" , "../x/y" , 1 );
contains("../../x" , "../../x/y" , 1 );
contains("../../../x" , "../../../x/y" , 1 );
contains("../x" , "../y" , -1 );
} catch (NoSuchMethodException e) {
// Ignored
}
if (err) throw new Exception("Failed." );
}
// Checks if s2 is inside s1 and depth is expected.
static void contains(String s1, String s2, int expected) throws Exception {
contains0(s1, s2, expected);
if (isWindows) {
contains0("C:" + s1, s2, -1 );
contains0(s1, "C:" + s2, -1 );
contains0("C:" + s1, "D:" + s2, -1 );
contains0("C:" + s1, "C:" + s2, expected);
}
}
static void contains0(String s1, String s2, int expected) throws Exception {
Path p1 = Paths.get(s1);
Path p2 = Paths.get(s2);
int d = (int )containsMethod.invoke(null , p1, p2);
Path p;
try {
p = p2.relativize(p1);
} catch (Exception e) {
p = null ;
}
System.out.printf("%-20s -> %-20s: %20s %5d %5d %s\n" , s1, s2, p,
d, expected, d==expected?"" :" WRONG" );
if (d != expected) {
err = true ;
}
}
static void check0(String s1, String s2, boolean expected) {
FilePermission fp1 = new FilePermission(s1, "read" );
FilePermission fp2 = new FilePermission(s2, "read" );
boolean b = fp1.implies(fp2);
System.out.printf("%-30s -> %-30s: %5b %s\n" ,
s1, s2, b, b==expected?"" :" WRONG" );
if (b != expected) {
err = true ;
System.out.println(fp1);
System.out.println(fp2);
}
}
static void check(String s1, String s2, boolean expected) {
check0(s1, s2, expected);
if (isWindows) {
check0("C:" + s1, s2, false );
check0(s1, "C:" + s2, false );
check0("C:" + s1, "D:" + s2, false );
check0("C:" + s1, "C:" + s2, expected);
}
}
static void check(String s1, String s2) {
check(s1, s2, true );
}
static void checkNo(String s1, String s2) {
check(s1, s2, false );
}
}
Messung V0.5 in Prozent C=95 H=94 G=94
¤ Dauer der Verarbeitung: 0.12 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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