///<summary>When a SecurityAssociation changes amongst inactive, active,
///or closed this gets notified.</summary>
protected void AnnounceSA(object o, EventArgs ea) {
SecurityAssociation sa = o as SecurityAssociation;
if(sa == null) {
throw new Exception("Needs to be a SecurityAssociation");
}
Edge e = sa.Sender as Edge;
// if e is an edge, let's see if he's creating a SE
// or maybe it isn't our edge!
if(e == null) {
return;
} else if(e.TAType != this.TAType) {
return;
}
if(sa.Active) {
SecureEdge se = new SecureEdge(e, sa);
sa.Subscribe(se, null);
try {
Finalize(se);
} catch {
se.Close();
}
} else {
e.Close();
}
}
///<summary>Verify the edge by comparing the address in the certificate to
///the one provided in the overlay.</summary>
public static bool AddressInSubjectAltName(Node node, Edge e, Address addr)
{
SecureEdge se = e as SecureEdge;
if (se == null)
{
throw new Exception("Invalid edge type!");
}
return(se.SA.VerifyCertificateBySubjectAltName(addr.ToString()));
}
///<summary>When a SecurityAssociation changes amongst inactive, active,
///or closed this gets notified.</summary>
protected void AnnounceSA(SecurityAssociation sa,
SecurityAssociation.States state)
{
Edge e = sa.Sender as Edge;
// if e is an edge, let's see if he's creating a SE
// or maybe it isn't our edge!
if(e == null) {
return;
} else if(e.TAType != this.TAType) {
return;
}
if(state == SecurityAssociation.States.Active) {
SecurityAssociation stored_sa = null;
if(!RemoveFromDictionary(e, out stored_sa)) {
// May have already been here
return;
} else if(stored_sa != null && stored_sa != sa) {
throw new Exception("Cannot have the same edge used in multiple SAs");
}
SecureEdge se = new SecureEdge(e, sa);
sa.Subscribe(se, null);
try {
Finalize(se);
} catch {
se.Close();
}
} else if(state == SecurityAssociation.States.Closed) {
e.Close();
}
}
