vista下怎样判断用户为系统管理员

Question

vista下怎样判断用户为系统管理员,xp下的方法用到vista下根本不行.

Answer 1

恩,这个可以,贴出来普渡众生.
#include <windows.h> #include <stdio.h>BOOL IsAdmin(void);int main(int argc, char* argv[])
{
   if (IsAdmin())
       printf("IsAdmin - TRUE");
   else
       printf("IsAdmin - FALSE");   return 0;
}
BOOL IsAdmin(void)
{
    HANDLE                   hAccessToken;
    BYTE                     *InfoBuffer;
    PTOKEN_GROUPS            ptgGroups;
    DWORD                    dwInfoBufferSize;
    PSID                     psidAdministrators;
    SID_IDENTIFIER_AUTHORITY siaNtAuthority = SECURITY_NT_AUTHORITY;
    UINT                     i;
    BOOL                     bRet = FALSE;    if(!OpenProcessToken(GetCurrentProcess(),TOKEN_QUERY,&hAccessToken))
       goto cleanup;
    
    InfoBuffer = new BYTE[1024];
    if(!InfoBuffer)
       goto cleanup;    bRet = GetTokenInformation(hAccessToken,
                               TokenGroups,
                               InfoBuffer,
                               1024,
                               &dwInfoBufferSize);    CloseHandle( hAccessToken );    if(!bRet)
       goto cleanup;    if(!AllocateAndInitializeSid(&siaNtAuthority,
                                 2,
                                 SECURITY_BUILTIN_DOMAIN_RID,
                                 DOMAIN_ALIAS_RID_ADMINS,
                                 0,0,0,0,0,0,
                                 &psidAdministrators))
       goto cleanup;    bRet = FALSE;    ptgGroups = (PTOKEN_GROUPS)InfoBuffer;    for(i=0;i<ptgGroups->GroupCount;i++)
    {
        if(EqualSid(psidAdministrators,ptgGroups->Groups[i].Sid))
        {
            bRet = TRUE;
            break;
        }
    }    FreeSid(psidAdministrators);cleanup:    if (InfoBuffer)
        delete InfoBuffer;    return bRet;
}