Hello.
Paul Moore wrote:
> > * post_recv_datagram is added in skb_recv_datagram.
>
> Can you explain to me why this is not possible using the existing
> security_socket_sock_rcv_skb() LSM hook?
socket_sock_rcv_skb() is a hook for enqueue time.
I want a hook for dequeue time, because what TOMOYO Linux is doing is
not "whether a socket created by foo is permitted to pick up
an incoming packet from specific address/port"
but "whether bar is permitted to pick up
an incoming packet from specific address/port".
At the time of enqueue, I can't know who will pick up that packet.
Same reason for socket_post_accept(). What TOMOYO Linux is doing is
not "whether a socket created by foo is permitted to accept
a connection request from specific address/port"
but "whether bar is permitted to accept
a connection request from specific address/port".
At the time of enqueue, I can't know who will pick up that request.
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