internal static unsafe void FreeNative(NativeAuthorizationItemSet *itemsPtr)
{
if (itemsPtr == null)
{
return;
}
var items = *itemsPtr;
if (items.items == null)
{
return;
}
for (int i = 0; i < items.count; i++)
{
if (items.items [i].name != IntPtr.Zero)
{
Marshal.FreeHGlobal(items.items [i].name);
}
if (items.items [i].value != IntPtr.Zero)
{
Marshal.FreeHGlobal(items.items [i].value);
}
}
Marshal.FreeHGlobal((IntPtr)items.items);
}
public static Authorization Create(
AuthorizationRights rights,
AuthorizationEnvironment environment,
AuthorizationFlags flags)
{
NativeAuthorizationItemSet rightsNative = new NativeAuthorizationItemSet();
NativeAuthorizationItemSet *rightsPtr = null;
NativeAuthorizationItemSet envNative = new NativeAuthorizationItemSet();
NativeAuthorizationItemSet *envPtr = null;
int code;
IntPtr auth;
try {
if (rights != null && rights.Count > 0)
{
rights.ToNative(ref rightsNative);
rightsPtr = &rightsNative;
}
if (environment != null)
{
environment.ToAuthorizationItemSet().ToNative(ref envNative);
if (envNative.count > 0)
{
envPtr = &envNative;
}
}
code = AuthorizationCreate(rightsPtr, envPtr, flags, out auth);
if (code != 0)
{
return(null);
}
return(new Authorization(auth));
} finally {
AuthorizationItemSet.FreeNative(rightsPtr);
AuthorizationItemSet.FreeNative(envPtr);
}
}
extern static int /* OSStatus = int */ AuthorizationCreate(NativeAuthorizationItemSet *rights, NativeAuthorizationItemSet *environment, AuthorizationFlags flags, out IntPtr auth);