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dll: FspFileSystemSearchDirectoryBuffer: fix #351

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This commit is contained in:
Bill Zissimopoulos
2021-12-03 14:47:19 +00:00
parent 8ba8d31e50
commit 8ce6836674
5 changed files with 186 additions and 4 deletions
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89
tst/winfsp-tests/dirbuf-test.c
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@@ -376,6 +376,94 @@ static void dirbuf_fill_test(void)
}
}
static void dirbuf_boundary_dotest(PWSTR Marker, ULONG ExpectI, ULONG ExpectN, ...)
{
PVOID DirBuffer = 0;
NTSTATUS Result;
BOOLEAN Success;
union
{
UINT8 B[sizeof(FSP_FSCTL_DIR_INFO) + MAX_PATH * sizeof(WCHAR)];
FSP_FSCTL_DIR_INFO D;
} DirInfoBuf;
FSP_FSCTL_DIR_INFO *DirInfo = &DirInfoBuf.D, *DirInfoEnd;
UINT8 Buffer[1024];
ULONG Length, BytesTransferred;
WCHAR CurrFileName[MAX_PATH];
ULONG N;
PWSTR Name;
va_list Names0, Names1;
va_start(Names0, ExpectN);
va_copy(Names1, Names0);
Length = sizeof Buffer;
Result = STATUS_UNSUCCESSFUL;
Success = FspFileSystemAcquireDirectoryBuffer(&DirBuffer, FALSE, &Result);
ASSERT(Success);
ASSERT(STATUS_SUCCESS == Result);
while (0 != (Name = va_arg(Names0, PWSTR)))
{
memset(&DirInfoBuf, 0, sizeof DirInfoBuf);
DirInfo->Size = (UINT16)(sizeof(FSP_FSCTL_DIR_INFO) + wcslen(Name) * sizeof(WCHAR));
wcscpy_s(DirInfo->FileNameBuf, MAX_PATH, Name);
Success = FspFileSystemFillDirectoryBuffer(&DirBuffer, DirInfo, &Result);
ASSERT(Success);
ASSERT(STATUS_SUCCESS == Result);
}
FspFileSystemReleaseDirectoryBuffer(&DirBuffer);
BytesTransferred = 0;
FspFileSystemReadDirectoryBuffer(&DirBuffer, Marker, Buffer, Length, &BytesTransferred);
for (N = 0; ExpectI > N; N++)
va_arg(Names1, PWSTR);
for (N = 0,
DirInfo = (PVOID)Buffer, DirInfoEnd = (PVOID)(Buffer + BytesTransferred);
DirInfoEnd > DirInfo && 0 != DirInfo->Size;
DirInfo = (PVOID)((PUINT8)DirInfo + FSP_FSCTL_DEFAULT_ALIGN_UP(DirInfo->Size)), N++)
{
memcpy(CurrFileName, DirInfo->FileNameBuf, DirInfo->Size - sizeof *DirInfo);
CurrFileName[(DirInfo->Size - sizeof *DirInfo) / sizeof(WCHAR)] = L'\0';
Name = va_arg(Names1, PWSTR);
ASSERT(0 == wcscmp(CurrFileName, Name));
}
ASSERT(ExpectN == N);
FspFileSystemDeleteDirectoryBuffer(&DirBuffer);
va_end(Names1);
va_end(Names0);
}
static void dirbuf_boundary_test(void)
{
dirbuf_boundary_dotest(L"A", 0, 0, 0);
dirbuf_boundary_dotest(L"A", 0, 1, L"B", 0);
dirbuf_boundary_dotest(L"B", 0, 0, L"B", 0);
dirbuf_boundary_dotest(L"C", 0, 0, L"B", 0);
dirbuf_boundary_dotest(L"A", 0, 2, L"B", L"D", 0);
dirbuf_boundary_dotest(L"B", 1, 1, L"B", L"D", 0);
dirbuf_boundary_dotest(L"C", 1, 1, L"B", L"D", 0);
dirbuf_boundary_dotest(L"D", 0, 0, L"B", L"D", 0);
dirbuf_boundary_dotest(L"E", 0, 0, L"B", L"D", 0);
dirbuf_boundary_dotest(L"A", 0, 3, L"B", L"D", L"F", 0);
dirbuf_boundary_dotest(L"B", 1, 2, L"B", L"D", L"F", 0);
dirbuf_boundary_dotest(L"C", 1, 2, L"B", L"D", L"F", 0);
dirbuf_boundary_dotest(L"D", 2, 1, L"B", L"D", L"F", 0);
dirbuf_boundary_dotest(L"E", 2, 1, L"B", L"D", L"F", 0);
dirbuf_boundary_dotest(L"F", 0, 0, L"B", L"D", L"F", 0);
dirbuf_boundary_dotest(L"G", 0, 0, L"B", L"D", L"F", 0);
}
void dirbuf_tests(void)
{
if (OptExternal)
@@ -384,4 +472,5 @@ void dirbuf_tests(void)
TEST(dirbuf_empty_test);
TEST(dirbuf_dots_test);
TEST(dirbuf_fill_test);
TEST(dirbuf_boundary_test);
}