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Hervé Poussineau <poussine@freesurf.fr>

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(Partial) implementation of CheckTokenMembership()

svn path=/trunk/; revision=13453
This commit is contained in:
Gé van Geldorp 2005-02-06 22:16:05 +00:00
parent 210f9b4812
commit 4cc354816b
1 changed files with 76 additions and 7 deletions
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83
reactos/lib/advapi32/token/token.c
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@ -313,16 +313,85 @@ DuplicateToken (HANDLE ExistingTokenHandle,
/*
* @unimplemented
* @implemented
*/
BOOL STDCALL
CheckTokenMembership(HANDLE Token, PSID SidToCheck, PBOOL IsMember)
CheckTokenMembership (HANDLE ExistingTokenHandle,
PSID SidToCheck,
PBOOL IsMember)
{
DPRINT1("CheckTokenMembership not implemented\n");
SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
return FALSE;
HANDLE AccessToken;
BOOL ReleaseToken = FALSE;
BOOL Result = FALSE;
DWORD dwSize;
DWORD i;
PTOKEN_GROUPS lpGroups = NULL;
TOKEN_TYPE TokenInformation;
if (IsMember == NULL)
{
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
}
if (ExistingTokenHandle == NULL)
{
/* Get impersonation token of the calling thread */
if (!OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, FALSE, &ExistingTokenHandle))
return FALSE;
if (!DuplicateToken(ExistingTokenHandle, SecurityAnonymous, &AccessToken))
{
CloseHandle(ExistingTokenHandle);
goto ByeBye;
}
CloseHandle(ExistingTokenHandle);
ReleaseToken = TRUE;
}
else
{
if (!GetTokenInformation(ExistingTokenHandle, TokenType, &TokenInformation, sizeof(TokenInformation), &dwSize))
goto ByeBye;
if (TokenInformation != TokenImpersonation)
{
/* Duplicate token to have a impersonation token */
if (!DuplicateToken(ExistingTokenHandle, SecurityAnonymous, &AccessToken))
return FALSE;
ReleaseToken = TRUE;
}
else
AccessToken = ExistingTokenHandle;
}
*IsMember = FALSE;
/* Search in groups of the token */
if (!GetTokenInformation(AccessToken, TokenGroups, NULL, 0, &dwSize))
goto ByeBye;
lpGroups = (PTOKEN_GROUPS)HeapAlloc(GetProcessHeap(), 0, dwSize);
if (!lpGroups)
goto ByeBye;
if (!GetTokenInformation(AccessToken, TokenGroups, lpGroups, dwSize, &dwSize))
goto ByeBye;
for (i = 0; i < lpGroups->GroupCount; i++)
{
if (EqualSid(SidToCheck, &lpGroups->Groups[i].Sid))
{
Result = TRUE;
*IsMember = TRUE;
goto ByeBye;
}
}
/* FIXME: Search in users of the token? */
DPRINT1("CheckTokenMembership() partially implemented!\n");
Result = TRUE;
ByeBye:
if (lpGroups != NULL)
HeapFree(GetProcessHeap(), 0, lpGroups);
if (ReleaseToken)
CloseHandle(AccessToken);
return Result;
}
/* EOF */