public List <SESSION_INFO_10> GetRemoteSessionInfo(string targetedSystem)
{
IntPtr Bufptr;
int nStatus = 0;
List <SESSION_INFO_10> sessionInfo = new List <SESSION_INFO_10>();
Int32 dwEntriesread = 0, dwTotalentries = 0, dwResume_handle = 0;
Bufptr = (IntPtr)Marshal.SizeOf(typeof(SESSION_INFO_10));
SESSION_INFO_10[] results = new SESSION_INFO_10[0];
do
{
nStatus = NetSessionEnum(targetedSystem, null, null, 10, out Bufptr, -1, ref dwEntriesread, ref dwTotalentries, ref dwResume_handle);
results = new SESSION_INFO_10[dwEntriesread];
if (nStatus == 234 || nStatus == 0)
{
Int64 p = Bufptr.ToInt64();
for (int i = 0; i < dwEntriesread; i++)
{
SESSION_INFO_10 si = (SESSION_INFO_10)Marshal.PtrToStructure(new IntPtr(p), typeof(SESSION_INFO_10));
sessionInfo.Add(si);
p += Marshal.SizeOf(typeof(SESSION_INFO_10));
}
}
Marshal.FreeHGlobal(Bufptr);
}while (nStatus == 234);
return(sessionInfo);
}
/// <summary>
/// 返回指定服务器的所有 SESSIONS。返回 SESSION_INFO_10 结构的数组。
/// https://www.pinvoke.net/default.aspx/netapi32/NetSessionEnum.html
/// </summary>
/// <param name="server">默认所有域内机器，隐形目标：域控制器+共享服务器</param>
/// <returns>SESSION_INFO_10 STRUCTURE ARRAY</returns>
public static SESSION_INFO_10[] EnumSessions(string server)
{
IntPtr Bufptr;
int nStatus = 0;
Int32 dwEntriesread = 0, dwTotalentries = 0, dwResume_handle = 0;
Bufptr = (IntPtr)Marshal.SizeOf(typeof(SESSION_INFO_10));
SESSION_INFO_10[] results = new SESSION_INFO_10[0];
do
{
nStatus = NetSessionEnum(server, null, null, 10, out Bufptr, -1, ref dwEntriesread, ref dwTotalentries, ref dwResume_handle);
results = new SESSION_INFO_10[dwEntriesread];
if (nStatus == (int)NERR.ERROR_MORE_DATA || nStatus == (int)NERR.NERR_Success)
{
Int32 p = Bufptr.ToInt32();
for (int i = 0; i < dwEntriesread; i++)
{
SESSION_INFO_10 si = (SESSION_INFO_10)Marshal.PtrToStructure(new IntPtr(p), typeof(SESSION_INFO_10));
results[i] = si;
p += Marshal.SizeOf(typeof(SESSION_INFO_10));
}
}
// 释放先前从进程的非托管内存分配的内存。
Marshal.FreeHGlobal(Bufptr);
}while (nStatus == (int)NERR.ERROR_MORE_DATA);
// 该 NetApiBufferFree函数释放该内存 NetApiBufferAllocate功能分配。应用程序还应调用NetApiBufferFree释放其他网络管理功能在内部使用的内存以返回信息。
//NetApiBufferFree(BufPtr);
return(results);
}
