summaryrefslogtreecommitdiff
path: root/sys/netinet/ip_carp.c
diff options
context:
space:
mode:
Diffstat (limited to 'sys/netinet/ip_carp.c')
-rw-r--r--sys/netinet/ip_carp.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/sys/netinet/ip_carp.c b/sys/netinet/ip_carp.c
index bb2ac380e4e..5618940b17e 100644
--- a/sys/netinet/ip_carp.c
+++ b/sys/netinet/ip_carp.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ip_carp.c,v 1.4 2003/10/20 03:01:01 mcbride Exp $ */
+/* $OpenBSD: ip_carp.c,v 1.5 2003/10/20 06:57:29 mcbride Exp $ */
/*
* Copyright (c) 2002 Michael Shalayeff. All rights reserved.
@@ -124,7 +124,7 @@ struct carp_if {
#define CARP_LOG1(sc,s,a) if (carp_opts[CARPCTL_LOG]) \
log(LOG_INFO, "%s: " s "\n", (sc)->sc_ac.ac_if.if_xname, (a));
-void carp_sha1_generate (struct carp_softc *, u_int32_t *,
+void carp_sha1_generate (struct carp_softc *, u_int32_t *,
unsigned char *);
int carp_sha1_verify (struct carp_softc *, u_int32_t *,
unsigned char *);
@@ -152,14 +152,14 @@ carp_sha1_generate(struct carp_softc *sc, u_int32_t counter[2], unsigned char md
/* XXX this should probably use the crypto framework */
SHA1_CTX sha1ctx;
u_int8_t version = CARP_VERSION, type = CARP_ADVERTISEMENT;
+ u_int8_t vhid = sc->sc_vhid & 0xff;
struct ifaddr *ifa;
SHA1Init(&sha1ctx);
SHA1Update(&sha1ctx, (void *)&version, sizeof(version));
SHA1Update(&sha1ctx, (void *)&type, sizeof(type));
- SHA1Update(&sha1ctx, (void *)&sc->sc_vhid, sizeof(sc->sc_vhid));
- SHA1Update(&sha1ctx, (void *)counter, sizeof(*counter));
+ SHA1Update(&sha1ctx, (void *)&vhid, sizeof(vhid));
SHA1Update(&sha1ctx, (void *)&sc->sc_key, sizeof(sc->sc_key));
TAILQ_FOREACH(ifa, &sc->sc_ac.ac_if.if_addrlist, ifa_list) {
if (ifa->ifa_addr->sa_family == AF_INET)
@@ -167,6 +167,7 @@ carp_sha1_generate(struct carp_softc *sc, u_int32_t counter[2], unsigned char md
(void *)&ifatoia(ifa)->ia_addr.sin_addr.s_addr,
sizeof(u_int32_t));
}
+ SHA1Update(&sha1ctx, (void *)counter, sizeof(sc->sc_counter));
SHA1Final(md, &sha1ctx);
}
@@ -364,7 +365,7 @@ carp_input(struct mbuf *m, ...)
}
break;
case BACKUP:
- /*
+ /*
* If we're pre-empting masters who advertise slower than us,
* and this one claims to be slower, treat him as down.
*/
@@ -373,7 +374,7 @@ carp_input(struct mbuf *m, ...)
break;
}
- /*
+ /*
* If the master is going to advertise at such a low frequency
* that he's guaranteed to time out, we'd might as well just
* treat him as timed out now.
@@ -383,7 +384,7 @@ carp_input(struct mbuf *m, ...)
carp_master_down(sc);
break;
}
-
+
/*
* Otherwise, we reset the counter and wait for the next
* advertisement.