diff options
Diffstat (limited to 'sys/netinet/ip_esp.c')
| -rw-r--r-- | sys/netinet/ip_esp.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sys/netinet/ip_esp.c b/sys/netinet/ip_esp.c index 494f9e37b9e..e21b373d14b 100644 --- a/sys/netinet/ip_esp.c +++ b/sys/netinet/ip_esp.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_esp.c,v 1.94 2005/08/02 10:51:47 djm Exp $ */ +/* $OpenBSD: ip_esp.c,v 1.95 2005/08/05 12:16:13 markus Exp $ */ /* * The authors of this code are John Ioannidis (ji@tla.org), * Angelos D. Keromytis (kermit@csd.uch.gr) and @@ -103,6 +103,12 @@ esp_init(struct tdb *tdbp, struct xformsw *xsp, struct ipsecinit *ii) struct auth_hash *thash = NULL; struct cryptoini cria, crie; + if (!ii->ii_encalg && !ii->ii_authalg) { + DPRINTF(("esp_init(): neither authentication nor encryption " + "algorithm given")); + return EINVAL; + } + if (ii->ii_encalg) { switch (ii->ii_encalg) { case SADB_EALG_NULL: |