/// <exception cref="System.IO.IOException"></exception>
public virtual Sid[] GetGroupMemberSids(string authorityServerName,
NtlmPasswordAuthentication auth,
int flags)
{
if (Type != SidTypeDomGrp && Type != SidTypeAlias)
{
return(new Sid[0]);
}
DcerpcHandle handle = null;
SamrPolicyHandle policyHandle = null;
SamrDomainHandle domainHandle = null;
Sid domsid = GetDomainSid();
lock (SidCache)
{
try
{
handle = DcerpcHandle.GetHandle("ncacn_np:" + authorityServerName
+ "[\\PIPE\\samr]", auth);
policyHandle = new SamrPolicyHandle(handle,
authorityServerName,
unchecked (0x00000030));
domainHandle = new SamrDomainHandle(handle,
policyHandle,
unchecked (0x00000200),
domsid);
return(GetGroupMemberSids0(handle,
domainHandle,
domsid,
GetRid(),
flags));
}
finally
{
if (handle != null)
{
if (policyHandle != null)
{
if (domainHandle != null)
{
domainHandle.Close();
}
policyHandle.Close();
}
handle.Close();
}
}
}
}
/// <summary>
/// This specialized method returns a Map of users and local groups for the
/// target server where keys are SIDs representing an account and each value
/// is an List<object> of SIDs represents the local groups that the account is
/// a member of.
/// </summary>
/// <remarks>
/// This specialized method returns a Map of users and local groups for the
/// target server where keys are SIDs representing an account and each value
/// is an List<object> of SIDs represents the local groups that the account is
/// a member of.
/// <p/>
/// This method is designed to assist with computing access control for a
/// given user when the target object's ACL has local groups. Local groups
/// are not listed in a user's group membership (e.g. as represented by the
/// tokenGroups constructed attribute retrived via LDAP).
/// <p/>
/// Domain groups nested inside a local group are currently not expanded. In
/// this case the key (SID) type will be SID_TYPE_DOM_GRP rather than
/// SID_TYPE_USER.
/// </remarks>
/// <param name="authorityServerName">The server from which the local groups will be queried.
/// </param>
/// <param name="auth">The credentials required to query groups and group members.</param>
/// <param name="flags">
/// Flags that control the behavior of the operation. When all
/// name associated with SIDs will be required, the SID_FLAG_RESOLVE_SIDS
/// flag should be used which causes all group member SIDs to be resolved
/// together in a single more efficient operation.
/// </param>
/// <exception cref="System.IO.IOException"></exception>
internal static Hashtable GetLocalGroupsMap(string authorityServerName, NtlmPasswordAuthentication
auth, int flags)
{
Sid domsid = GetServerSid(authorityServerName, auth);
DcerpcHandle handle = null;
SamrPolicyHandle policyHandle = null;
SamrDomainHandle domainHandle = null;
Samr.SamrSamArray sam = new Samr.SamrSamArray();
MsrpcEnumerateAliasesInDomain rpc;
lock (SidCache)
{
try
{
handle = DcerpcHandle.GetHandle("ncacn_np:" + authorityServerName + "[\\PIPE\\samr]"
, auth);
policyHandle = new SamrPolicyHandle(handle, authorityServerName, unchecked (0x02000000));
domainHandle = new SamrDomainHandle(handle, policyHandle, unchecked (0x02000000), domsid);
rpc = new MsrpcEnumerateAliasesInDomain(domainHandle, unchecked (0xFFFF), sam
);
handle.Sendrecv(rpc);
if (rpc.Retval != 0)
{
throw new SmbException(rpc.Retval, false);
}
Hashtable map = new Hashtable();
for (int ei = 0; ei < rpc.Sam.Count; ei++)
{
Samr.SamrSamEntry entry = rpc.Sam.Entries[ei];
Sid[] mems = GetGroupMemberSids0(handle, domainHandle, domsid
, entry.Idx, flags);
Sid groupSid = new Sid(domsid, entry.Idx);
groupSid.Type = SidTypeAlias;
groupSid.DomainName = domsid.GetDomainName();
groupSid.AcctName = (new UnicodeString(entry.Name, false)).ToString();
for (int mi = 0; mi < mems.Length; mi++)
{
List <object> groups = (List <object>)map.Get(mems[mi]);
if (groups == null)
{
groups = new List <object>();
map.Put(mems[mi], groups);
}
if (!groups.Contains(groupSid))
{
groups.Add(groupSid);
}
}
}
return(map);
}
finally
{
if (handle != null)
{
if (policyHandle != null)
{
if (domainHandle != null)
{
domainHandle.Close();
}
policyHandle.Close();
}
handle.Close();
}
}
}
}