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Hardened registry read in settings

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Armin Novak 2022-02-15 13:52:12 +01:00 committed by akallabeth
parent 5f8ab14f3f
commit e6877e8135
1 changed files with 5 additions and 2 deletions
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7
libfreerdp/core/settings.c
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@ -64,9 +64,9 @@ static BOOL settings_reg_query_dword_val(HKEY hKey, const TCHAR* sub, DWORD* val
dwSize = sizeof(DWORD);
if (RegQueryValueEx(hKey, sub, NULL, &dwType, (BYTE*)value, &dwSize) != ERROR_SUCCESS)
{
return FALSE;
}
if (dwType != REG_DWORD)
return FALSE;
return TRUE;
}
@ -78,6 +78,9 @@ static BOOL settings_reg_query_word_val(HKEY hKey, const TCHAR* sub, UINT16* val
if (!settings_reg_query_dword_val(hKey, sub, &dwValue))
return FALSE;
if (dwValue > UINT16_MAX)
return FALSE;
*value = (UINT16)dwValue;
return TRUE;
}