// Bit-size/platform inter-mediator for getting user password information
private static int GetLocalUserPasswordInformation(string userName, out UserPasswordInformation userPasswordInfo, out AccountStatus accountStatus)
{
userPasswordInfo = new UserPasswordInformation();
if (Common.GetOSPlatformID() == PlatformID.MacOSX)
{
int lastChangeDate, maxDaysForChange, accountExpirationDate;
accountStatus = AccountStatus.Normal;
// Mac OS X call
if (GetLocalUserPasswordInformationMac(userName, out lastChangeDate, out maxDaysForChange, out accountExpirationDate) == 0)
{
userPasswordInfo.lastChangeDate = lastChangeDate;
userPasswordInfo.maxDaysForChange = maxDaysForChange;
userPasswordInfo.accountExpirationDate = accountExpirationDate;
return 0;
}
}
else
{
if (IntPtr.Size == 4)
{
// 32-bit OS call
UserPasswordInformation32 userPasswordInfo32 = new UserPasswordInformation32();
if (GetLocalUserPasswordInformation32(userName, ref userPasswordInfo32, out accountStatus) == 0)
{
userPasswordInfo.lastChangeDate = userPasswordInfo32.lastChangeDate;
userPasswordInfo.minDaysForChange = userPasswordInfo32.minDaysForChange;
userPasswordInfo.maxDaysForChange = userPasswordInfo32.maxDaysForChange;
userPasswordInfo.warningDays = userPasswordInfo32.warningDays;
userPasswordInfo.inactivityDays = userPasswordInfo32.inactivityDays;
userPasswordInfo.accountExpirationDate = userPasswordInfo32.accountExpirationDate;
return 0;
}
}
else
{
// 64-bit OS call
return GetLocalUserPasswordInformation64(userName, ref userPasswordInfo, out accountStatus);
}
}
return 1;
}
[DllImport(ImportFileName, EntryPoint = "GetLocalUserPasswordInformation")] // 64-bit version private static extern int GetLocalUserPasswordInformation64(string userName, ref UserPasswordInformation userPasswordInfo, out AccountStatus status);
private static int GetCachedLocalUserPasswordInformation(string userName, out UserPasswordInformation userPasswordInfo, out AccountStatus accountStatus)
{
// Attempt to retrieve Unix user principal identity in case shadow information has already been parsed, in most
// cases we will have already reduced rights needed to read this information so we pick up pre-parsed info
WindowsPrincipal principal = Thread.CurrentPrincipal as WindowsPrincipal;
if ((object)principal != null)
{
UnixIdentity identity = principal.Identity as UnixIdentity;
// If user has already been authenticated, we can load pre-parsed shadow information
if ((object)identity != null && identity.LoadedUserPasswordInformation && identity.UserName.Equals(userName, StringComparison.OrdinalIgnoreCase))
{
userPasswordInfo = identity.UserPasswordInformation;
accountStatus = identity.AccountStatus;
return 0;
}
}
return GetLocalUserPasswordInformation(userName, out userPasswordInfo, out accountStatus);
}