alpha版出炉，实现win2008 service的session 0穿透

指定用户名，拿最小session,实现和用户ui交互。

这样，搞windows的自动化部署，就可以向前一大步啦。

比以前用psexec要用户名密码，指定session要先进多啦。

安全保密性也提高了。。

#include <windows.h>
#include <stdio.h>
#include <Userenv.h>
#include <Wtsapi32.h>
#pragma comment(lib, "WtsApi32.lib")
#pragma comment(lib, "advapi32.lib")
#pragma comment(lib, "userenv.lib")
using namespace std;

HANDLE GetUserToken(DWORD dwSessionId)
{
    HANDLE hImpersonationToken = 0;
    if (!WTSQueryUserToken(dwSessionId, &hImpersonationToken))
    {
        printf(" WTSQueryUserToken ERROR: %d\n", GetLastError());
        return FALSE;
    }
    DWORD dwNeededSize = 0;
    HANDLE *realToken = new HANDLE;
    TOKEN_USER *pTokenUser = NULL;
    PTOKEN_GROUPS pGroups = NULL;
    //twice call function
    if (!GetTokenInformation(hImpersonationToken, TokenUser, NULL, 0, &dwNeededSize))
    {
        if (GetLastError() == ERROR_INSUFFICIENT_BUFFER && dwNeededSize > 0)
        {
            pTokenUser = (TOKEN_USER*)new BYTE[dwNeededSize];
            if (!GetTokenInformation(hImpersonationToken, TokenUser, pTokenUser, dwNeededSize, &dwNeededSize))
            {
                printf("GetTokenInformation ERROR: %d", GetLastError());
            }
        }
        return hImpersonationToken;
    }
    return hImpersonationToken;
}

bool GetSessionUserName(DWORD dwSessionId, char username[256])
{
    LPTSTR pBuffer = NULL;
    DWORD dwBufferLen;
    if (!WTSQuerySessionInformation(WTS_CURRENT_SERVER_HANDLE, dwSessionId, WTSUserName, &pBuffer, &dwBufferLen))
    {
        printf(" WTSQuerySessionInformation ERROR: %d\n", GetLastError());
        return FALSE;
    }
    lstrcpy(username ,pBuffer);
    WTSFreeMemory(pBuffer);
    return TRUE;
}

void Usage(void)
{
    printf("==============Usage================\n"
            "path:\\callsession.exe 'system-admin' 'path:\\xxx.exe start'\n"
            "==============Usage================\n");
}

int main(int argc, char **argv)
{
    if(argc==1)
    {
        Usage();
        return FALSE;
    }
    else if(argc==3)
    {
        LPSTR lpUsername = argv[1];
        LPSTR lpCmdLine = argv[2];
        DWORD session_id = -1;
        DWORD session_count = 0;
        WTS_SESSION_INFOA *pSession = NULL;
        char username[256];
        BOOL blFound = FALSE;
        //EnumerateSessions
        if (!WTSEnumerateSessions(WTS_CURRENT_SERVER_HANDLE, 0, 1, &pSession, &session_count))
        {
            printf("WTSEnumerateSessions ERROR: %d", GetLastError());
            return FALSE;
        }
        //Get the right user and his session id
        for(DWORD i = 0; i < session_count; ++i)
        {
            GetSessionUserName(pSession[i].SessionId,username);
            //if( (pSession[i].State == WTSActive) && (pSession[i].State != WTSDisconnected) )
            if(!strcmp(lpUsername, username))
            {
                printf("\tSession user's name = %s\n",username);
                session_id = pSession[i].SessionId;
                printf("\tsession_id = %d\n",session_id);
                blFound = TRUE;
                break;
            }
        }
        if (!blFound){
            printf("No login username %s found.", lpUsername);
            return FALSE;
        }
        WTSFreeMemory(pSession); //free meme heap
        //Duplicate User Token
        HANDLE hTokenThis = GetUserToken(session_id);
        HANDLE hTokenDup = NULL;
        if (!DuplicateTokenEx(hTokenThis, TOKEN_ALL_ACCESS, NULL, SecurityIdentification, TokenPrimary, &hTokenDup))
        {
            printf("DuplicateTokenEx ERROR: %d\n", GetLastError());
            return FALSE;
        }
        if (!SetTokenInformation(hTokenDup, TokenSessionId, &session_id, sizeof(DWORD)))
        {
             printf("SetTokenInformation Error === %d\n",GetLastError());
             return FALSE;
        }
        //init this process info
        STARTUPINFO si;
        PROCESS_INFORMATION pi;
        ZeroMemory(&si, sizeof(STARTUPINFO));
        ZeroMemory(&pi, sizeof(PROCESS_INFORMATION));
        si.cb = sizeof(STARTUPINFO);
        si.lpDesktop = "WinSta0\\Default";
        //LPVOID pEnv = NULL;
        DWORD dwCreationFlag = NORMAL_PRIORITY_CLASS | CREATE_NEW_CONSOLE;
        //CreateEnvironmentBlock(&pEnv, hTokenDup, FALSE);
        if (!CreateProcessAsUser(hTokenDup, NULL, lpCmdLine, NULL, NULL, FALSE, dwCreationFlag, NULL, NULL, &si, &pi))
        {
            printf("CreateProcessAsUser Error === %d\n",GetLastError());
            return FALSE;
        }
        printf("OK");
    }

    return 0;
}