public static bool GetFilePermissions(string path, bool followSymlinks, out UnixExternalPermissions filePermissions)
{
Stat sbuf;
if (!StatFile(path, followSymlinks, out sbuf))
{
filePermissions = (UnixExternalPermissions)FilePermissions.DEFFILEMODE;
return(false);
}
filePermissions = MapToUnixExternalPermissions(sbuf.st_mode & FilePermissions.ALLPERMS);
return(true);
}
public static bool GetFileType(string path, bool followSymlinks, out UnixExternalPermissions fileType)
{
if (String.IsNullOrEmpty(path))
{
throw new ArgumentException("must not be null or empty", nameof(path));
}
Stat sbuf;
if (!StatFile(path, followSymlinks, out sbuf))
{
fileType = UnixExternalPermissions.IFREG;
return(false);
}
fileType = GetFileType(sbuf);
return(true);
}
public bool SetEntryPermissions(ZipArchive zipArchive, string sourcePath, ulong index, EntryPermissions requestedPermissions)
{
var archive = zipArchive as UnixZipArchive;
if (archive == null)
{
throw new ArgumentException("must be an instance of UnixZipArchive", nameof(zipArchive));
}
UnixExternalPermissions ftype = UnixExternalPermissions.IFREG;
if (!String.IsNullOrEmpty(sourcePath))
{
UnixExternalPermissions ft;
if (Utilities.GetFileType(sourcePath, !archive.UnixOptions.StoreSymlinks, out ft))
{
ftype = ft;
}
}
return(SetEntryPermissions(archive, index, requestedPermissions, ftype));
}
internal bool SetEntryUnixPermissions(ulong index, EntryPermissions requestedPermissions, UnixExternalPermissions unixPermissions)
{
var permissions = (uint)requestedPermissions | (uint)unixPermissions;
int ret = Native.zip_file_set_external_attributes(ArchivePointer, index, OperationFlags.None, (byte)OperatingSystem.UNIX, permissions << 16);
return(ret == 0);
}
static UnixExternalPermissions MapToUnixExternalPermissions(FilePermissions fp)
{
UnixExternalPermissions filePermissions = 0;
if (fp.HasFlag(FilePermissions.S_ISUID))
{
filePermissions |= UnixExternalPermissions.ISUID;
}
if (fp.HasFlag(FilePermissions.S_ISGID))
{
filePermissions |= UnixExternalPermissions.ISGID;
}
if (fp.HasFlag(FilePermissions.S_ISVTX))
{
filePermissions |= UnixExternalPermissions.ISVTX;
}
if (fp.HasFlag(FilePermissions.S_IRUSR))
{
filePermissions |= UnixExternalPermissions.IRUSR;
}
if (fp.HasFlag(FilePermissions.S_IWUSR))
{
filePermissions |= UnixExternalPermissions.IWUSR;
}
if (fp.HasFlag(FilePermissions.S_IXUSR))
{
filePermissions |= UnixExternalPermissions.IXUSR;
}
if (fp.HasFlag(FilePermissions.S_IRGRP))
{
filePermissions |= UnixExternalPermissions.IRGRP;
}
if (fp.HasFlag(FilePermissions.S_IWGRP))
{
filePermissions |= UnixExternalPermissions.IWGRP;
}
if (fp.HasFlag(FilePermissions.S_IXGRP))
{
filePermissions |= UnixExternalPermissions.IXGRP;
}
if (fp.HasFlag(FilePermissions.S_IROTH))
{
filePermissions |= UnixExternalPermissions.IROTH;
}
if (fp.HasFlag(FilePermissions.S_IWOTH))
{
filePermissions |= UnixExternalPermissions.IWOTH;
}
if (fp.HasFlag(FilePermissions.S_IXOTH))
{
filePermissions |= UnixExternalPermissions.IXOTH;
}
if (filePermissions == 0)
{
return((UnixExternalPermissions)FilePermissions.DEFFILEMODE);
}
return(filePermissions);
}
bool SetEntryPermissions(ZipArchive archive, ulong index, EntryPermissions requestedPermissions, UnixExternalPermissions unixPermissions)
{
var unixArchive = archive as UnixZipArchive;
if (unixArchive == null)
{
throw new InvalidOperationException("Expected instance of UnixZipArchive");
}
return(unixArchive.SetEntryUnixPermissions(index, requestedPermissions, unixPermissions));
}
