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Remove ifdefed out part of code, which seems to have originated a decade ago

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in OpenBSD.  As it is now, there is no way for this to be useful, since IPsec
is free to forward packets via whatever interface it wants, so checking
capabilities of the interface passed from ip_output (fetched from the routing
table) serves no purpose.

Discussed with:	sam@
This commit is contained in:
Edward Tomasz Napierala 2009-11-09 19:53:34 +00:00
parent 88cbe43d65
commit 4f7418a09f
3 changed files with 3 additions and 19 deletions

17
sys/netinet/ip_ipsec.c

@ -260,8 +260,7 @@ ip_ipsec_mtu(struct mbuf *m, int mtu)
* -1 = packet was reinjected and stop processing packet
*/
int
ip_ipsec_output(struct mbuf **m, struct inpcb *inp, int *flags, int *error,
struct ifnet **ifp)
ip_ipsec_output(struct mbuf **m, struct inpcb *inp, int *flags, int *error)
{
#ifdef IPSEC
struct secpolicy *sp = NULL;
@ -390,20 +389,6 @@ ip_ipsec_output(struct mbuf **m, struct inpcb *inp, int *flags, int *error,
} else {
/* No IPsec processing for this packet. */
}
#ifdef notyet
/*
* If deferred crypto processing is needed, check that
* the interface supports it.
*/
mtag = m_tag_find(*m, PACKET_TAG_IPSEC_OUT_CRYPTO_NEEDED, NULL);
if (mtag != NULL && ifp != NULL &&
((*ifp)->if_capenable & IFCAP_IPSEC) == 0) {
/* notify IPsec to do its own crypto */
ipsp_skipcrypto_unmark((struct tdb_ident *)(mtag + 1));
*error = EHOSTUNREACH;
goto bad;
}
#endif
}
done:
if (sp != NULL)

3
sys/netinet/ip_ipsec.h

@ -36,6 +36,5 @@ int ip_ipsec_filtertunnel(struct mbuf *);
int ip_ipsec_fwd(struct mbuf *);
int ip_ipsec_input(struct mbuf *);
int ip_ipsec_mtu(struct mbuf *, int);
int ip_ipsec_output(struct mbuf **, struct inpcb *, int *, int *,
struct ifnet **);
int ip_ipsec_output(struct mbuf **, struct inpcb *, int *, int *);
#endif

2
sys/netinet/ip_output.c

@ -466,7 +466,7 @@ again:
sendit:
#ifdef IPSEC
switch(ip_ipsec_output(&m, inp, &flags, &error, &ifp)) {
switch(ip_ipsec_output(&m, inp, &flags, &error)) {
case 1:
goto bad;
case -1: