diff options
Diffstat (limited to 'sys/netinet/ip_ah.c')
| -rw-r--r-- | sys/netinet/ip_ah.c | 47 |
1 files changed, 44 insertions, 3 deletions
diff --git a/sys/netinet/ip_ah.c b/sys/netinet/ip_ah.c index 5045c72c441..5ae21da75fe 100644 --- a/sys/netinet/ip_ah.c +++ b/sys/netinet/ip_ah.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_ah.c,v 1.20 1999/04/09 22:27:54 niklas Exp $ */ +/* $OpenBSD: ip_ah.c,v 1.21 1999/04/11 19:41:36 niklas Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), @@ -47,6 +47,7 @@ #include <sys/domain.h> #include <sys/protosw.h> #include <sys/socket.h> +#include <sys/sysctl.h> #include <sys/errno.h> #include <sys/time.h> #include <sys/kernel.h> @@ -82,15 +83,21 @@ extern struct ifnet enc_softc; #define DPRINTF(x) #endif -void ah_input __P((struct mbuf *, int)); +int ah_enable = 0; /* * ah_input gets called when we receive an packet with an AH. */ void -ah_input(register struct mbuf *m, int iphlen) +#if __STDC__ +ah_input(struct mbuf *m, ...) +#else +ah_input(m, va_alist) + register struct mbuf *m; +#endif { + int iphlen; union sockaddr_union sunion; struct ifqueue *ifq = NULL; struct ah_old *ahp, ahn; @@ -98,9 +105,21 @@ ah_input(register struct mbuf *m, int iphlen) struct ip *ipo, ipn; struct tdb *tdbp; int s; + va_list ap; + va_start(ap, m); + iphlen = va_arg(ap, int); + va_end(ap); + ahstat.ahs_input++; + if (!ah_enable) + { + m_freem(m); + ahstat.ahs_pdrops++; + return; + } + /* * Make sure that at least the fixed part of the AH header is * in the first mbuf. @@ -317,3 +336,25 @@ ah_input(register struct mbuf *m, int iphlen) splx(s); return; } + +int +ah_sysctl(name, namelen, oldp, oldlenp, newp, newlen) + int *name; + u_int namelen; + void *oldp; + size_t *oldlenp; + void *newp; + size_t newlen; +{ + /* All sysctl names at this level are terminal. */ + if (namelen != 1) + return (ENOTDIR); + + switch (name[0]) { + case AHCTL_ENABLE: + return (sysctl_int(oldp, oldlenp, newp, newlen, &ah_enable)); + default: + return (ENOPROTOOPT); + } + /* NOTREACHED */ +} |