/// <summary>
/// Enumerates the shares on Windows 9x
/// </summary>
/// <param name="server">The server name</param>
/// <param name="shares">The ShareCollection</param>
protected static void EnumerateShares9x(string server, ShareCollection shares, ref bool accessDenied)
{
int level = 50;
int nRet = 0;
ushort entriesRead, totalEntries;
accessDenied = false;
Type t = typeof(SHARE_INFO_50);
int size = Marshal.SizeOf(t);
ushort cbBuffer = (ushort)(MAX_SI50_ENTRIES * size);
//On Win9x, must allocate buffer before calling API
IntPtr pBuffer = Marshal.AllocHGlobal(cbBuffer);
try
{
nRet = NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);
if (ERROR_WRONG_LEVEL == nRet)
{
level = 1;
t = typeof(SHARE_INFO_1_9x);
size = Marshal.SizeOf(t);
nRet = NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);
}
if (NO_ERROR == nRet || ERROR_MORE_DATA == nRet)
{
for (int i = 0, lpItem = pBuffer.ToInt32(); i < entriesRead; i++, lpItem += size)
{
IntPtr pItem = new IntPtr(lpItem);
if (1 == level)
{
SHARE_INFO_1_9x si = (SHARE_INFO_1_9x)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);
}
else
{
SHARE_INFO_50 si = (SHARE_INFO_50)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);
}
}
}
else
{
Console.WriteLine(nRet);
}
}
finally
{
//Clean up buffer
Marshal.FreeHGlobal(pBuffer);
}
}
/// <summary>
/// Enumerates the shares on Windows NT
/// </summary>
/// <param name="server">The server name</param>
/// <param name="shares">The ShareCollection</param>
protected static void EnumerateSharesNT(string server, ShareCollection shares)
{
int level = 2;
int entriesRead, totalEntries, nRet, hResume = 0;
IntPtr pBuffer = IntPtr.Zero;
try
{
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(SHARE_INFO_2) : typeof(SHARE_INFO_1);
int offset = Marshal.SizeOf(t);
IntPtr pItem = pBuffer;
for (long i = 0; i < entriesRead; i++)
{
if (1 == level)
{
SHARE_INFO_1 si = (SHARE_INFO_1)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);
}
else
{
SHARE_INFO_2 si = (SHARE_INFO_2)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);
}
pItem = IntPtr.Add(pItem, offset);
}
}
}
finally
{
// Clean up buffer allocated by system
if (IntPtr.Zero != pBuffer)
{
NetApiBufferFree(pBuffer);
}
}
}
protected static void EnumerateSharesNT(string server, ShareCollection shares)
{
int level = 2;
int entriesRead, totalEntries, nRet, hResume = 0;
IntPtr pBuffer = IntPtr.Zero;
try
{
nRet = NetShareEnum(server, level, out pBuffer, -1, out entriesRead, out totalEntries, ref hResume);
if (ERROR_ACCESS_DENIED == nRet)
{
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(SHARE_INFO_2):typeof(SHARE_INFO_1);
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)
{
SHARE_INFO_1 si = (SHARE_INFO_1)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);
}
else
{
SHARE_INFO_2 si = (SHARE_INFO_2)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);
}
}
}
}
finally
{
if (IntPtr.Zero != pBuffer)
{
NetApiBufferFree(pBuffer);
}
}
}
/// <summary>
/// Enumerates the shares on Windows NT
/// </summary>
/// <param name="server">The server name</param>
/// <param name="shares">The ShareCollection</param>
protected static void EnumerateSharesNT(string server, ShareCollection shares)
{
int level = 2;
int entriesRead, totalEntries, nRet, hResume = 0;
IntPtr pBuffer = IntPtr.Zero;
try
{
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(SHARE_INFO_2) : typeof(SHARE_INFO_1);
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)
{
SHARE_INFO_1 si = (SHARE_INFO_1)Marshal.PtrToStructure(pItem, t);
if (si.ShareType == ShareType.Special && si.NetName.Length == 2)
{
}
else
{
shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);
//Console.WriteLine(trim(si.NetName) + " no path " + si.ShareType + "\t" + si.Remark);
}
}
else
{
SHARE_INFO_2 si = (SHARE_INFO_2)Marshal.PtrToStructure(pItem, t);
if (si.ShareType == ShareType.Special && si.NetName.Length == 2 && si.Path.Length == 3)
{
}
else
{
shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);
//Console.Write(trim(si.NetName) + " " + trim(si.Path) + " " + si.ShareType + "\t" + si.Remark + "\n");
}
}
}
}
}
finally
{
// Clean up buffer allocated by system
if (IntPtr.Zero != pBuffer)
{
NetApiBufferFree(pBuffer);
}
}
}
/// <summary>
/// Enumerates the shares on Windows 9x
/// </summary>
/// <param name="server">The server name</param>
/// <param name="shares">The ShareCollection</param>
protected static void EnumerateShares9x(string server, ShareCollection shares)
{
int level = 50;
int nRet = 0;
ushort entriesRead, totalEntries;
Type t = typeof(SHARE_INFO_50);
int size = Marshal.SizeOf(t);
ushort cbBuffer = (ushort)(MAX_SI50_ENTRIES * size);
//On Win9x, must allocate buffer before calling API
IntPtr pBuffer = Marshal.AllocHGlobal(cbBuffer);
try
{
nRet = NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);
if (ERROR_WRONG_LEVEL == nRet)
{
level = 1;
t = typeof(SHARE_INFO_1_9x);
size = Marshal.SizeOf(t);
nRet = NetShareEnum(server, level, pBuffer, cbBuffer,
out entriesRead, out totalEntries);
}
if (NO_ERROR == nRet || ERROR_MORE_DATA == nRet)
{
for (int i=0, lpItem=pBuffer.ToInt32(); i<entriesRead; i++, lpItem+=size)
{
IntPtr pItem = new IntPtr(lpItem);
if (1 == level)
{
SHARE_INFO_1_9x si = (SHARE_INFO_1_9x)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);
}
else
{
SHARE_INFO_50 si = (SHARE_INFO_50)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);
}
}
}
else
Console.WriteLine(nRet);
}
finally
{
//Clean up buffer
Marshal.FreeHGlobal(pBuffer);
}
}
/// <summary>
/// Enumerates the shares on Windows NT
/// </summary>
/// <param name="server">The server name</param>
/// <param name="shares">The ShareCollection</param>
protected static void EnumerateSharesNT(string server, ShareCollection shares)
{
int level = 2;
int entriesRead, totalEntries, nRet, hResume = 0;
IntPtr pBuffer = IntPtr.Zero;
try
{
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(SHARE_INFO_2) : typeof(SHARE_INFO_1);
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)
{
SHARE_INFO_1 si = (SHARE_INFO_1)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, string.Empty, si.ShareType, si.Remark);
}
else
{
SHARE_INFO_2 si = (SHARE_INFO_2)Marshal.PtrToStructure(pItem, t);
shares.Add(si.NetName, si.Path, si.ShareType, si.Remark);
}
}
}
}
finally
{
// Clean up buffer allocated by system
if (IntPtr.Zero != pBuffer)
NetApiBufferFree(pBuffer);
}
}
