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| author | glebius <glebius@FreeBSD.org> | 2005-02-04 21:38:42 +0000 |
|---|---|---|
| committer | glebius <glebius@FreeBSD.org> | 2005-02-04 21:38:42 +0000 |
| commit | 93f2cf1fa1459bb83a37c8743d853922ea528427 (patch) | |
| tree | 47ce9f420191f0f82887c2b6e4fc4282843ae210 | |
| parent | e7fd5fd51ead6fe4e2182d665ebaa04a1580093a (diff) | |
| download | FreeBSD-src-93f2cf1fa1459bb83a37c8743d853922ea528427.zip FreeBSD-src-93f2cf1fa1459bb83a37c8743d853922ea528427.tar.gz | |
Do check that version of a message from userland matches ours.
MFC after: 3 days
| -rw-r--r-- | sys/netgraph/ng_socket.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/sys/netgraph/ng_socket.c b/sys/netgraph/ng_socket.c index 29f3e99..36b2342 100644 --- a/sys/netgraph/ng_socket.c +++ b/sys/netgraph/ng_socket.c @@ -255,6 +255,11 @@ ngc_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *addr, } m_copydata(m, 0, len, (char *)msg); + if (msg->header.version != NG_VERSION) { + error = EINVAL; + goto release; + } + #ifdef TRACE_MESSAGES do { item_p item; |
