private void WalkMachineGroups()
{
IntPtr enumbuffer = IntPtr.Zero;
uint entriesread = 0;
uint totalentries = 0;
uint rc = NetApi32.NetLocalGroupEnum(null, 0, ref enumbuffer, 0xFFFFFFFF, out entriesread, out totalentries, IntPtr.Zero);
this.Success = (rc == 0);
if (this.Success)
{
for (int cnt = 0; cnt < totalentries; cnt++)
{
LOCALGROUP_INFO_0 ginfo = (LOCALGROUP_INFO_0)Marshal.PtrToStructure(enumbuffer, typeof(LOCALGROUP_INFO_0));
HandleLocalGroup(ginfo);
try
{ enumbuffer = (IntPtr)((Int64)enumbuffer + Marshal.SizeOf(typeof(LOCALGROUP_INFO_0))); }
catch (Exception)
{ break; }
}
NetApi32.NetApiBufferFree(enumbuffer);
}
}
private void HandleLocalGroup(LOCALGROUP_INFO_0 ginfo)
{
IntPtr enumbuffer = IntPtr.Zero;
uint entriesread = 0;
uint totalentries = 0;
string sid = GetAccountSid(ginfo.lgrpi0_name);
GroupInfo group = new GroupInfo(sid, ginfo.lgrpi0_name);
uint rc = NetApi32.NetLocalGroupGetMembers(null, group.NTName, 1, ref enumbuffer, 0xFFFFFFFF, out entriesread, out totalentries, IntPtr.Zero);
this.Success = (rc == 0);
if (this.Success)
{
for (int cnt = 0; cnt < totalentries; cnt++)
{
LOCALGROUP_MEMBERS_INFO_1 member = (LOCALGROUP_MEMBERS_INFO_1)Marshal.PtrToStructure(enumbuffer, typeof(LOCALGROUP_MEMBERS_INFO_1));
string msid = GetAccountSid(member.lgrmi1_sid);
SidInfo sinfo = new SidInfo(msid, member.lgrmi1_name, member.lgrmi1_sidusage);
group.Members.Add(sinfo);
group.SidList.Add(msid);
try
{ enumbuffer = (IntPtr)((Int64)enumbuffer + Marshal.SizeOf(typeof(LOCALGROUP_MEMBERS_INFO_1))); }
catch (Exception)
{ break; }
}
this.Groups.AddSafe(group);
NetApi32.NetApiBufferFree(enumbuffer);
}
}