static NTSTATUS SvcStart(FSP_SERVICE *Service, ULONG argc, PWSTR *argv)
{
#define argtos(v) if (arge > ++argp) v = *argp; else goto usage
#define argtol(v) if (arge > ++argp) v = wcstol_deflt(*argp, v); else goto usage
wchar_t **argp, **arge;
PWSTR DebugLogFile = 0;
ULONG DebugFlags = 0;
PWSTR VolumePrefix = 0;
PWSTR PassThrough = 0;
PWSTR MountPoint = 0;
HANDLE DebugLogHandle = INVALID_HANDLE_VALUE;
WCHAR PassThroughBuf[MAX_PATH];
PTFS *Ptfs = 0;
NTSTATUS Result;
for (argp = argv + 1, arge = argv + argc; arge > argp; argp++)
{
if (L'-' != argp[0][0])
break;
switch (argp[0][1])
{
case L'?':
goto usage;
case L'd':
argtol(DebugFlags);
break;
case L'D':
argtos(DebugLogFile);
break;
case L'm':
argtos(MountPoint);
break;
case L'p':
argtos(PassThrough);
break;
case L'u':
argtos(VolumePrefix);
break;
default:
goto usage;
}
}
if (arge > argp)
goto usage;
if (0 == PassThrough && 0 != VolumePrefix)
{
PWSTR P;
P = wcschr(VolumePrefix, L'\\');
if (0 != P && L'\\' != P[1])
{
P = wcschr(P + 1, L'\\');
if (0 != P &&
(
(L'A' <= P[1] && P[1] <= L'Z') ||
(L'a' <= P[1] && P[1] <= L'z')
) &&
L'$' == P[2])
{
StringCbPrintf(PassThroughBuf, sizeof PassThroughBuf, L"%c:%s", P[1], P + 3);
PassThrough = PassThroughBuf;
}
}
}
if (0 == PassThrough || 0 == MountPoint)
goto usage;
EnableBackupRestorePrivileges();
if (0 != DebugLogFile)
{
if (0 == wcscmp(L"-", DebugLogFile))
DebugLogHandle = GetStdHandle(STD_ERROR_HANDLE);
else
DebugLogHandle = CreateFileW(
DebugLogFile,
FILE_APPEND_DATA,
FILE_SHARE_READ | FILE_SHARE_WRITE,
0,
OPEN_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
0);
if (INVALID_HANDLE_VALUE == DebugLogHandle)
{
fail(L"cannot open debug log file");
goto usage;
}
FspDebugLogSetHandle(DebugLogHandle);
}
Result = PtfsCreate(PassThrough, VolumePrefix, MountPoint, DebugFlags, &Ptfs);
if (!NT_SUCCESS(Result))
{
fail(L"cannot create file system");
goto exit;
}
Result = FspFileSystemStartDispatcher(Ptfs->FileSystem, 0);
if (!NT_SUCCESS(Result))
{
fail(L"cannot start file system");
goto exit;
}
MountPoint = FspFileSystemMountPoint(Ptfs->FileSystem);
info(L"%s%s%s -p %s -m %s",
L"" PROGNAME,
0 != VolumePrefix && L'\0' != VolumePrefix[0] ? L" -u " : L"",
0 != VolumePrefix && L'\0' != VolumePrefix[0] ? VolumePrefix : L"",
PassThrough,
MountPoint);
Service->UserContext = Ptfs;
Result = STATUS_SUCCESS;
exit:
if (!NT_SUCCESS(Result) && 0 != Ptfs)
PtfsDelete(Ptfs);
return Result;
usage:
static wchar_t usage[] = L""
"usage: %s OPTIONS\n"
"\n"
"options:\n"
" -d DebugFlags [-1: enable all debug logs]\n"
" -D DebugLogFile [file path; use - for stderr]\n"
" -u \\Server\\Share [UNC prefix (single backslash)]\n"
" -p Directory [directory to expose as pass through file system]\n"
" -m MountPoint [X:|*|directory]\n";
fail(usage, L"" PROGNAME);
return STATUS_UNSUCCESSFUL;
#undef argtos
#undef argtol
}
NTSTATUS MemfsStart(MEMFS *Memfs)
{
return FspFileSystemStartDispatcher(Memfs->FileSystem, 0);
}