public static IEnumerable <DomainGroup> EnumLocalGroups(bool sid = false)
{
int read;
int total;
int resume;
IntPtr buf;
int ret = netapi.NetLocalGroupEnum(null, 1, out buf, util.MAX_PREFERRED_LENGTH, out read, out total, out resume);
if (ret != 0)
{
throw new Win32Exception(ret);
}
if (read > 0)
{
DomainGroup group = new DomainGroup();
var g = new LOCALGROUP_INFO_1();
IntPtr pItem = buf;
for (int i = 0; i < read; i++)
{
Marshal.PtrToStructure(pItem, g);
pItem = new IntPtr(pItem.ToInt64() + Marshal.SizeOf(typeof(LOCALGROUP_INFO_1)));
if (sid)
{
group.SID = GetAccountSID(g.name);
}
group.Name = g.name;
group.Comment = g.comment;
yield return(group);
}
netapi.NetApiBufferFree(buf);
}
}
public static void UpdateLocalGroup(string groupname, DomainGroup group, string[] members = null)
{
int ret = 0;
// rename
if (!string.Equals(groupname, group.Name, StringComparison.OrdinalIgnoreCase))
{
ret = netapi.NetLocalGroupSetInfo(null, groupname, 0, ref group.Name, 0);
if (ret != 0)
{
throw new Win32Exception(ret);
}
}
// attributes
var g = new LOCALGROUP_INFO_1()
{
name = group.Name, comment = group.Comment
};
ret = netapi.NetLocalGroupSetInfo(null, g.name, 1, g, 0);
if (ret != 0)
{
throw new Win32Exception(ret);
}
// members
if (members != null)
{
ret = netapi.NetLocalGroupSetMembers(null, group.Name, 3, members, members.Length);
if (ret != 0)
{
throw new Win32Exception(ret);
}
}
else
{
ret = netapi.NetLocalGroupSetMembers(null, group.Name, 3, new string[0], 0);
}
}
public static void AddLocalGroup(DomainGroup group, string[] members = null)
{
int ret = 0;
var g = new LOCALGROUP_INFO_1()
{
name = group.Name, comment = group.Comment
};
ret = netapi.NetLocalGroupAdd(null, 1, g, 0);
if (ret != 0)
{
throw new Win32Exception(ret);
}
if (members != null)
{
ret = netapi.NetLocalGroupSetMembers(null, group.Name, 3, members, members.Length);
if (ret != 0)
{
throw new Win32Exception(ret);
}
}
}