/* Process a SADB_REGISTER message from the kernel.
* This will be a response to one of ours, but it may be asynchronous
* (if kernel modules are loaded and unloaded).
* Some sanity checking has already been performed.
*/
static void
klips_pfkey_register_response(const struct sadb_msg *msg)
{
/* Find out what the kernel can support.
* In fact, the only question at the moment
* is whether it can support IPcomp.
* So we ignore the rest.
* ??? we really should pay attention to what transforms are supported.
*/
switch (msg->sadb_msg_satype)
{
case SADB_SATYPE_AH:
break;
case SADB_SATYPE_ESP:
#ifdef KERNEL_ALG
kernel_alg_register_pfkey(msg, sizeof (pfkey_buf));
#endif
break;
case SADB_X_SATYPE_COMP:
/* ??? There ought to be an extension to list the
* supported algorithms, but RFC 2367 doesn't
* list one for IPcomp. KLIPS uses SADB_X_CALG_DEFLATE.
* Since we only implement deflate, we'll assume this.
*/
can_do_IPcomp = TRUE;
break;
case SADB_X_SATYPE_IPIP:
break;
default:
break;
}
}
static void
linux_pfkey_register_response(const struct sadb_msg *msg)
{
switch (msg->sadb_msg_satype)
{
case SADB_SATYPE_ESP:
#ifdef KERNEL_ALG
kernel_alg_register_pfkey(msg, msg->sadb_msg_len * IPSEC_PFKEYv2_ALIGN);
#endif
break;
case SADB_X_SATYPE_IPCOMP:
can_do_IPcomp = TRUE;
break;
default:
break;
}
}
