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| std::string* AuthenticateUserSSO()
{
HANDLE hToken;
DWORD dwSize = 0, dwResult = 0, dwName=1, dwDomain=1;
PTOKEN_USER pUserInfo;
LPTSTR lpName="";
LPTSTR lpDomain="";
SID_NAME_USE SidType = SidTypeUnknown;
if (! OpenProcessToken( GetCurrentProcess(), TOKEN_QUERY, &hToken)) {
dwResult = GetLastError();
return NULL;
}
if (! GetTokenInformation(hToken, TokenUser, NULL, dwSize, &dwSize)) {
dwResult = GetLastError();
if( dwResult != ERROR_INSUFFICIENT_BUFFER ) {
return NULL;
}
}
pUserInfo = (PTOKEN_USER) GlobalAlloc( GPTR, dwSize );
if (! GetTokenInformation(hToken, TokenUser, pUserInfo, dwSize, &dwSize)) {
dwResult = GetLastError();
return NULL;
}
if( !LookupAccountSid(NULL,
pUserInfo->User.Sid,
lpName,
(LPDWORD)&dwName,
lpDomain,
(LPDWORD)&dwDomain,
&SidType ) ) {
dwResult = GetLastError();
if( dwResult != ERROR_INSUFFICIENT_BUFFER ) {
return NULL;
}
}
lpName = (LPTSTR) GlobalAlloc(GMEM_FIXED, dwName);
if (lpName == NULL)
return NULL;
lpDomain = (LPTSTR) GlobalAlloc(GMEM_FIXED, dwDomain);
if (lpDomain == NULL)
return NULL;
if( !LookupAccountSid(NULL,
pUserInfo->User.Sid,
lpName,
(LPDWORD)&dwName,
lpDomain,
(LPDWORD)&dwDomain,
&SidType ) ) {
dwResult = GetLastError();
if( dwResult != ERROR_INSUFFICIENT_BUFFER ) {
return NULL;
}
}
std::string* principal = new string(lpName);
principal->append("@");
principal->append(lpDomain);
return principal;
} |
