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Code Issues Releases Activity

path,win: fix bug in resolve and normalize

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Fixes: https://github.com/nodejs/node/issues/54025
PR-URL: https://github.com/nodejs/node/pull/55623
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
This commit is contained in:
Hüseyin Açacak 2024-11-06 02:21:54 +03:00 committed by GitHub
parent 25f8474730
commit 7f68e5466a
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GPG Key ID: B5690EEEBB952194
6 changed files with 45 additions and 19 deletions
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41
lib/path.js
View File

@ -268,10 +268,16 @@ const win32 = {
j++;
}
if (j === len || j !== last) {
// We matched a UNC root
device =
`\\\\${firstPart}\\${StringPrototypeSlice(path, last, j)}`;
rootEnd = j;
if (firstPart !== '.' && firstPart !== '?') {
// We matched a UNC root
device =
`\\\\${firstPart}\\${StringPrototypeSlice(path, last, j)}`;
rootEnd = j;
} else {
// We matched a device root (e.g. \\\\.\\PHYSICALDRIVE0)
device = `\\\\${firstPart}`;
rootEnd = 4;
}
}
}
}
@ -381,17 +387,22 @@ const win32 = {
!isPathSeparator(StringPrototypeCharCodeAt(path, j))) {
j++;
}
if (j === len) {
// We matched a UNC root only
// Return the normalized version of the UNC root since there
// is nothing left to process
return `\\\\${firstPart}\\${StringPrototypeSlice(path, last)}\\`;
}
if (j !== last) {
// We matched a UNC root with leftovers
device =
`\\\\${firstPart}\\${StringPrototypeSlice(path, last, j)}`;
rootEnd = j;
if (j === len || j !== last) {
if (firstPart === '.' || firstPart === '?') {
// We matched a device root (e.g. \\\\.\\PHYSICALDRIVE0)
device = `\\\\${firstPart}`;
rootEnd = 4;
} else if (j === len) {
// We matched a UNC root only
// Return the normalized version of the UNC root since there
// is nothing left to process
return `\\\\${firstPart}\\${StringPrototypeSlice(path, last)}\\`;
} else {
// We matched a UNC root with leftovers
device =
`\\\\${firstPart}\\${StringPrototypeSlice(path, last, j)}`;
rootEnd = j;
}
}
}
}

13
src/path.cc
View File

@ -170,9 +170,16 @@ std::string PathResolve(Environment* env,
j++;
}
if (j == len || j != last) {
// We matched a UNC root
device = "\\\\" + firstPart + "\\" + path.substr(last, j - last);
rootEnd = j;
if (firstPart != "." && firstPart != "?") {
// We matched a UNC root
device =
"\\\\" + firstPart + "\\" + path.substr(last, j - last);
rootEnd = j;
} else {
// We matched a device root (e.g. \\\\.\\PHYSICALDRIVE0)
device = "\\\\" + firstPart;
rootEnd = 4;
}
}
}
}

4
test/cctest/test_path.cc
View File

@ -39,6 +39,10 @@ TEST_F(PathTest, PathResolve) {
EXPECT_EQ(
PathResolve(*env, {"C:\\foo\\tmp.3\\", "..\\tmp.3\\cycles\\root.js"}),
"C:\\foo\\tmp.3\\cycles\\root.js");
EXPECT_EQ(PathResolve(*env, {"\\\\.\\PHYSICALDRIVE0"}),
"\\\\.\\PHYSICALDRIVE0");
EXPECT_EQ(PathResolve(*env, {"\\\\?\\PHYSICALDRIVE0"}),
"\\\\?\\PHYSICALDRIVE0");
#else
EXPECT_EQ(PathResolve(*env, {"/var/lib", "../", "file/"}), "/var/file");
EXPECT_EQ(PathResolve(*env, {"/var/lib", "/../", "file/"}), "/file");

2
test/parallel/test-path-makelong.js
View File

@ -79,7 +79,7 @@ assert.strictEqual(path.win32.toNamespacedPath('\\\\foo\\bar'),
'\\\\?\\UNC\\foo\\bar\\');
assert.strictEqual(path.win32.toNamespacedPath('//foo//bar'),
'\\\\?\\UNC\\foo\\bar\\');
assert.strictEqual(path.win32.toNamespacedPath('\\\\?\\foo'), '\\\\?\\foo\\');
assert.strictEqual(path.win32.toNamespacedPath('\\\\?\\foo'), '\\\\?\\foo');
assert.strictEqual(path.win32.toNamespacedPath('\\\\?\\c:\\Windows/System'), '\\\\?\\c:\\Windows\\System');
assert.strictEqual(path.win32.toNamespacedPath(null), null);
assert.strictEqual(path.win32.toNamespacedPath(true), true);

2
test/parallel/test-path-normalize.js
View File

@ -40,6 +40,8 @@ assert.strictEqual(
'..\\..\\..\\..\\baz'
);
assert.strictEqual(path.win32.normalize('foo/bar\\baz'), 'foo\\bar\\baz');
assert.strictEqual(path.win32.normalize('\\\\.\\foo'), '\\\\.\\foo');
assert.strictEqual(path.win32.normalize('\\\\.\\foo\\'), '\\\\.\\foo\\');
assert.strictEqual(path.posix.normalize('./fixtures///b/../b/c.js'),
'fixtures/b/c.js');

2
test/parallel/test-path-resolve.js
View File

@ -33,6 +33,8 @@ const resolveTests = [
[['c:/', '///some//dir'], 'c:\\some\\dir'],
[['C:\\foo\\tmp.3\\', '..\\tmp.3\\cycles\\root.js'],
'C:\\foo\\tmp.3\\cycles\\root.js'],
[['\\\\.\\PHYSICALDRIVE0'], '\\\\.\\PHYSICALDRIVE0'],
[['\\\\?\\PHYSICALDRIVE0'], '\\\\?\\PHYSICALDRIVE0'],
],
],
[ path.posix.resolve,