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dll: FspPathPrefix(), FspPathSuffix(): better root handling

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This commit is contained in:
Bill Zissimopoulos
2016-02-10 16:57:12 -08:00
parent d8bb5bf976
commit 0cc5468764
5 changed files with 47 additions and 43 deletions
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23
tst/winfsp-tests/memfs.cpp
View File

@ -133,10 +133,11 @@ static inline
MEMFS_FILE_NODE *MemfsFileNodeMapGetParent(MEMFS_FILE_NODE_MAP *FileNodeMap, PWSTR FileName,
PNTSTATUS PResult)
{
WCHAR Root[2] = L"\\";
PWSTR Remain, Suffix;
FspPathSuffix(FileName, &Remain, &Suffix);
FspPathSuffix(FileName, &Remain, &Suffix, Root);
MEMFS_FILE_NODE_MAP::iterator iter = FileNodeMap->find(Remain);
FspPathCombine(Remain, Suffix);
FspPathCombine(FileName, Suffix);
if (iter == FileNodeMap->end())
{
*PResult = STATUS_OBJECT_PATH_NOT_FOUND;
@ -179,13 +180,14 @@ static inline
BOOLEAN MemfsFileNodeMapHasChild(MEMFS_FILE_NODE_MAP *FileNodeMap, MEMFS_FILE_NODE *FileNode)
{
BOOLEAN Result;
WCHAR Root[2] = L"\\";
PWSTR Remain, Suffix;
MEMFS_FILE_NODE_MAP::iterator iter = FileNodeMap->upper_bound(FileNode->FileName);
if (iter == FileNodeMap->end())
return FALSE;
FspPathSuffix(iter->second->FileName, &Remain, &Suffix);
FspPathSuffix(iter->second->FileName, &Remain, &Suffix, Root);
Result = 0 == MemfsFileNameCompare(Remain, FileNode->FileName);
FspPathCombine(Remain, Suffix);
FspPathCombine(iter->second->FileName, Suffix);
return Result;
}
@ -196,7 +198,7 @@ static NTSTATUS GetVolumeInfo(FSP_FILE_SYSTEM *FileSystem,
MEMFS *Memfs = (MEMFS *)FileSystem->UserContext;
MEMFS_FILE_NODE *RootNode;
RootNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, L"");
RootNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, L"\\");
if (0 == RootNode)
return STATUS_DISK_CORRUPT_ERROR;
@ -218,9 +220,6 @@ static NTSTATUS GetSecurity(FSP_FILE_SYSTEM *FileSystem,
MEMFS_FILE_NODE *FileNode;
NTSTATUS Result;
if (L'\\' == FileName[0] && L'\0' == FileName[1])
FileName = L"";
FileNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, FileName);
if (0 == FileNode)
{
@ -259,9 +258,6 @@ static NTSTATUS Create(FSP_FILE_SYSTEM *FileSystem,
NTSTATUS Result;
BOOLEAN Inserted;
if (L'\\' == FileName[0] && L'\0' == FileName[1])
FileName = L"";
if (CreateOptions & FILE_DIRECTORY_FILE)
AllocationSize = 0;
@ -332,9 +328,6 @@ static NTSTATUS Open(FSP_FILE_SYSTEM *FileSystem,
MEMFS_FILE_NODE *FileNode;
NTSTATUS Result;
if (L'\\' == FileName[0] && L'\0' == FileName[1])
FileName = L"";
FileNode = MemfsFileNodeMapGet(Memfs->FileNodeMap, FileName);
if (0 == FileNode)
{
@ -635,7 +628,7 @@ NTSTATUS MemfsCreate(ULONG Flags, ULONG FileInfoTimeout,
* Create root directory.
*/
Result = MemfsFileNodeCreate(L"", &RootNode);
Result = MemfsFileNodeCreate(L"\\", &RootNode);
if (!NT_SUCCESS(Result))
{
MemfsDelete(Memfs);

32
tst/winfsp-tests/path-test.c
View File

@ -19,16 +19,17 @@ void path_prefix_test(void)
L"foo\\\\\\bar\\\\baz",
L"foo\\\\\\bar\\\\baz\\",
L"foo\\\\\\bar\\\\baz\\\\",
L"foo",
};
PWSTR opaths[] =
{
L"", L"",
L"", L"",
L"", L"",
L"", L"a",
L"", L"a",
L"", L"a\\",
L"", L"a\\\\",
L"ROOT", L"",
L"ROOT", L"",
L"ROOT", L"a",
L"ROOT", L"a",
L"ROOT", L"a\\",
L"ROOT", L"a\\\\",
L"a", L"",
L"a", L"",
L"a", L"b",
@ -36,6 +37,7 @@ void path_prefix_test(void)
L"foo", L"bar\\\\baz",
L"foo", L"bar\\\\baz\\",
L"foo", L"bar\\\\baz\\\\",
L"foo", L"",
};
for (size_t i = 0; sizeof ipaths / sizeof ipaths[0] > i; i++)
@ -43,10 +45,10 @@ void path_prefix_test(void)
PWSTR Prefix, Remain;
WCHAR buf[32];
wcscpy_s(buf, 32, ipaths[i]);
FspPathPrefix(buf, &Prefix, &Remain);
FspPathPrefix(buf, &Prefix, &Remain, L"ROOT");
ASSERT(0 == wcscmp(opaths[2 * i + 0], Prefix));
ASSERT(0 == wcscmp(opaths[2 * i + 1], Remain));
FspPathCombine(Prefix, Remain);
FspPathCombine(buf, Remain);
ASSERT(0 == wcscmp(ipaths[i], buf));
}
}
@ -69,14 +71,15 @@ void path_suffix_test(void)
L"foo\\\\\\bar\\\\baz",
L"foo\\\\\\bar\\\\baz\\",
L"foo\\\\\\bar\\\\baz\\\\",
L"foo",
};
PWSTR opaths[] =
{
L"", L"",
L"", L"",
L"", L"",
L"", L"a",
L"", L"a",
L"ROOT", L"",
L"ROOT", L"",
L"ROOT", L"a",
L"ROOT", L"a",
L"\\\\a", L"",
L"\\\\a", L"",
L"a", L"",
@ -86,6 +89,7 @@ void path_suffix_test(void)
L"foo\\\\\\bar", L"baz",
L"foo\\\\\\bar\\\\baz", L"",
L"foo\\\\\\bar\\\\baz", L"",
L"foo", L"",
};
for (size_t i = 0; sizeof ipaths / sizeof ipaths[0] > i; i++)
@ -93,10 +97,10 @@ void path_suffix_test(void)
PWSTR Remain, Suffix;
WCHAR buf[32];
wcscpy_s(buf, 32, ipaths[i]);
FspPathSuffix(buf, &Remain, &Suffix);
FspPathSuffix(buf, &Remain, &Suffix, L"ROOT");
ASSERT(0 == wcscmp(opaths[2 * i + 0], Remain));
ASSERT(0 == wcscmp(opaths[2 * i + 1], Suffix));
FspPathCombine(Remain, Suffix);
FspPathCombine(buf, Suffix);
ASSERT(0 == wcscmp(ipaths[i], buf));
}
}