/// <summary>
/// Lists all connections made to a shared resource on the server or all connections established from a particular
/// computer. If there is more than one user using this connection, then it is possible to get more than one structure
/// for the same connection, but with a different user name.
/// </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. This string is Unicode if
/// _WIN32_WINNT or FORCE_UNICODE is defined.
/// </param>
/// <param name="shareNetName">
/// Pointer to a string that specifies a share name or computer name for the connections of
/// interest. If it is a share name, then all the connections made to that share name are listed. If it is a computer
/// name (for example, it starts with two backslash characters), then NetConnectionEnum lists all connections made from
/// that computer to the server specified. This string is Unicode if _WIN32_WINNT or FORCE_UNICODE is defined.
/// </param>
/// <returns>A IEnumerable of Managed ConnectionInfo1 Objects.</returns>
public static IEnumerable <ConnectionInfo1> GetConnections(string server, string shareNetName)
{
var list = new List <ConnectionInfo1>();
uint entriesRead = 0;
uint totalEntries = 0;
uint resumeHandle = 0;
var pBuffer = IntPtr.Zero;
var status = Internal.Native.NetworkShareManagementFunctions.NetConnectionEnum.DllImports.NetConnectionEnum(Marshal.StringToCoTaskMemAuto(server), Marshal.StringToCoTaskMemAuto(shareNetName), 1, ref pBuffer, 0xFFFFFFFF, ref entriesRead, ref totalEntries, ref resumeHandle);
if (status == 0 & entriesRead > 0)
{
var connectionInfo1Type = typeof(Structs.ConnectionInfo1);
var offset = Marshal.SizeOf(connectionInfo1Type);
for (int i = 0, item = pBuffer.ToInt32(); i < entriesRead; i++, item += offset)
{
var pItem = new IntPtr(item);
var connectionInfo1 = ConnectionInfo1.MapToConnectionInfo1((Structs.ConnectionInfo1)Marshal.PtrToStructure(pItem, connectionInfo1Type));
list.Add(connectionInfo1);
}
}
NetApiBufferFree.FreeBuffer(pBuffer);
return(list);
}
/// <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);
}
