diff options
Diffstat (limited to 'sys/net/rtsock.c')
| -rw-r--r-- | sys/net/rtsock.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c index 9c13a07..a1e759b 100644 --- a/sys/net/rtsock.c +++ b/sys/net/rtsock.c @@ -434,6 +434,25 @@ route_output(struct mbuf *m, struct socket *so) RT_LOCK(rt); RT_ADDREF(rt); + /* + * Fix for PR: 82974 + * + * RTM_CHANGE/LOCK need a perfect match, rn_lookup() + * returns a perfect match in case a netmask is + * specified. For host routes only a longest prefix + * match is returned so it is necessary to compare the + * existence of the netmask. If both have a netmask + * rnh_lookup() did a perfect match and if none of them + * have a netmask both are host routes which is also a + * perfect match. + */ + + if (rtm->rtm_type != RTM_GET && + (!rt_mask(rt) != !info.rti_info[RTAX_NETMASK])) { + RT_UNLOCK(rt); + senderr(ESRCH); + } + switch(rtm->rtm_type) { case RTM_GET: |
