/// <summary>
/// Enumerates the shares on Windows NT.
/// </summary>
/// <param name="server">The server name.</param>
/// <returns>Collection of shares of the given <paramref name="server"/>.</returns>
protected static ICollection <Share> EnumerateSharesNT(string server)
{
ICollection <Share> result = new List <Share>();
int level = 2;
int hResume = 0;
IntPtr pBuffer = IntPtr.Zero;
try
{
int entriesRead;
int totalEntries;
int nRet = NetShareEnum(server, level, out pBuffer, -1, out entriesRead, out totalEntries, ref hResume);
if (ERROR_ACCESS_DENIED == nRet)
{
//Need admin for level 2, drop to level 1
level = 1;
nRet = NetShareEnum(server, level, out pBuffer, -1, out entriesRead, out totalEntries, ref hResume);
}
if (NO_ERROR == nRet && entriesRead > 0)
{
Type t = (2 == level) ? typeof(ShareInfo2) : typeof(ShareInfo1);
int offset = Marshal.SizeOf(t);
for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += offset)
{
IntPtr pItem = new IntPtr(lpItem);
if (1 == level)
{
ShareInfo1 si = (ShareInfo1)Marshal.PtrToStructure(pItem, t);
result.Add(new Share(server, si.NetName, string.Empty, si.ShareType, si.Remark));
}
else
{
ShareInfo2 si = (ShareInfo2)Marshal.PtrToStructure(pItem, t);
result.Add(new Share(server, si.NetName, si.Path, si.ShareType, si.Remark));
}
}
}
}
finally
{
// Clean up buffer allocated by system
if (IntPtr.Zero != pBuffer)
{
NetApiBufferFree(pBuffer);
}
}
return(result);
}
// ReSharper disable InconsistentNaming
static void EnumerateSharesNT(string server, ShareCollection shares)
// ReSharper restore InconsistentNaming
{
int level = 2;
int hResume = 0;
IntPtr pBuffer = IntPtr.Zero;
try
{
int entriesRead;
int totalEntries;
int nRet = NetShareEnum(server, level, out pBuffer, -1,
out entriesRead, out totalEntries, ref hResume);
if (ErrorAccessDenied == nRet)
{
level = 1;
nRet = NetShareEnum(server, level, out pBuffer, -1,
out entriesRead, out totalEntries, ref hResume);
}
if (NoError == nRet && entriesRead > 0)
{
Type t = 2 == level ? typeof(ShareInfo2) : typeof(ShareInfo1);
int offset = Marshal.SizeOf(t);
for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += offset)
{
IntPtr pItem = new IntPtr(lpItem);
if (1 == level)
{
ShareInfo1 si = (ShareInfo1)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);
}
else
{
ShareInfo2 si = (ShareInfo2)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);
}
}
}
}
finally
{
if (IntPtr.Zero != pBuffer)
{
NetApiBufferFree(pBuffer);
}
}
}
/// <summary>
/// Retrieves information about each shared resource on a server.You can also use the WNetEnumResource function to
/// retrieve resource information. However, WNetEnumResource does not enumerate hidden shares or users connected to a
/// share.
/// </summary>
/// <param name="server">
/// Pointer to a string that specifies the DNS or NetBIOS name of the remote server on which the
/// function is to execute. If this parameter is NULL, the local computer is used.
/// </param>
/// <returns>A IEnumerable of managed ShareInfo2 Objects.</returns>
public static IEnumerable <ShareInfo2> GetShares(string server)
{
var list = new List <ShareInfo2>();
int entriesRead;
int totalEntries;
var resumeHandle = 0;
IntPtr pBuffer;
var status = Internal.Native.NetworkShareManagementFunctions.NetShareEnum.DllImports.NetShareEnum(server, 2, out pBuffer, -1, out entriesRead, out totalEntries, ref resumeHandle);
if (status == 0 & entriesRead > 0)
{
var shareinfoType = typeof(Structs.ShareInfo2);
var offset = Marshal.SizeOf(shareinfoType);
for (int i = 0, item = pBuffer.ToInt32(); i < entriesRead; i++, item += offset)
{
var pItem = new IntPtr(item);
var shareInfo2 = (Structs.ShareInfo2)Marshal.PtrToStructure(pItem, shareinfoType);
var netShareInfoResult = ShareInfo2.MapToSessionInfo502(shareInfo2);
list.Add(netShareInfoResult);
}
}
NetApiBufferFree.FreeBuffer(pBuffer);
return(list);
}
