diff options
| author | thompsa <thompsa@FreeBSD.org> | 2006-06-26 22:30:08 +0000 |
|---|---|---|
| committer | thompsa <thompsa@FreeBSD.org> | 2006-06-26 22:30:08 +0000 |
| commit | 320c8e5164d793a94bf5d538add0abe0d4f665ca (patch) | |
| tree | ad08e122ba3a5390ec867d258e80d618c4727731 /sys/netipsec/xform_ipip.c | |
| parent | f0555f2de979cc15b2f5899edf00461f6d7ead98 (diff) | |
| download | FreeBSD-src-320c8e5164d793a94bf5d538add0abe0d4f665ca.zip FreeBSD-src-320c8e5164d793a94bf5d538add0abe0d4f665ca.tar.gz | |
Add a pseudo interface for packet filtering IPSec connections before or after
encryption. There are two functions, a bpf tap which has a basic header with
the SPI number which our current tcpdump knows how to display, and handoff to
pfil(9) for packet filtering.
Obtained from: OpenBSD
Based on: kern/94829
No objections: arch, net
MFC after: 1 month
Diffstat (limited to 'sys/netipsec/xform_ipip.c')
| -rw-r--r-- | sys/netipsec/xform_ipip.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/sys/netipsec/xform_ipip.c b/sys/netipsec/xform_ipip.c index 4bb0b54..8191009 100644 --- a/sys/netipsec/xform_ipip.c +++ b/sys/netipsec/xform_ipip.c @@ -41,6 +41,7 @@ */ #include "opt_inet.h" #include "opt_inet6.h" +#include "opt_enc.h" #include <sys/param.h> #include <sys/systm.h> @@ -345,6 +346,12 @@ _ipip_input(struct mbuf *m, int iphlen, struct ifnet *gifp) /* Statistics */ ipipstat.ipips_ibytes += m->m_pkthdr.len - iphlen; +#ifdef DEV_ENC + /* pass the mbuf to enc0 for packet filtering */ + if (ipsec_filter(&m, 1) != 0) + return; +#endif + /* * Interface pointer stays the same; if no IPsec processing has * been done (or will be done), this will point to a normal |
