Function Ext2StartSrv

Ext2Mgr/Ext2Pipe.cpp:648–706

}

int Ext2StartSrv()
{
    DWORD   pid[12] = {0}, num;
    int     rc = -1;

    num = Ext2QuerySrv(_T("Ext2Srv.exe"), pid, 10);
    if (num) {
        /* already started */
        rc = num;
        goto errorout;
    }

    if (IsVistaOrAbove()) {

        DWORD   sid = 0, mysid = 0;
        HANDLE  token = 0;

        num = Ext2QuerySrv(_T("Explorer.exe"), &pid[0], 10);
        if (!num) {
            goto errorout;
        }

        pid[num] = GetCurrentProcessId();
        num++;

        rc = ProcessIdToSessionId(GetCurrentProcessId(), &mysid);
        if (!rc) {
            rc = -1 * GetLastError();
            goto errorout;
        }

        while (num > 0 && pid[num - 1]) {

            rc = Ext2CreateToken(pid[--num], &sid, &token);
            if (rc > 0) {
                if (sid == mysid)  {
                    rc = Ext2StartSrvAsUser(token);
                } else {
                    rc = 0;
                }
                if (token && token != INVALID_HANDLE_VALUE) {
                    CloseHandle(token);
                    token = NULL;
                }
                if (rc == 1) {
                    break;
                }
            }
        }

    } else {

        Ext2StartSrvAsElevated();
    }

errorout:

    return rc;