diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2004-04-19 22:39:08 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2004-04-19 22:39:08 +0000 |
| commit | dd55ffea5bfb74d9d44db416eb54a9c0b02fdd3a (patch) | |
| tree | df65fc238c28161c9b961dd9971415ad092bb4c7 /sys/kern | |
| parent | 31f0105808c47b9358e9a378a00fe6e066045ed9 (diff) | |
also use sbcheckreserve() for setsockopt of SO_SNDBUF and SO_RCVBUF
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/uipc_socket.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index c5f72a067cf..d74b3e6beb7 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uipc_socket.c,v 1.52 2004/04/01 23:56:05 tedu Exp $ */ +/* $OpenBSD: uipc_socket.c,v 1.53 2004/04/19 22:39:07 deraadt Exp $ */ /* $NetBSD: uipc_socket.c,v 1.21 1996/02/04 02:17:52 christos Exp $ */ /* @@ -1032,6 +1032,8 @@ sosetopt(so, level, optname, m0) case SO_RCVLOWAT: { u_long cnt; + extern u_long unpst_recvspace; + extern u_long unpst_sendspace; if (m == NULL || m->m_len < sizeof (int)) { error = EINVAL; @@ -1043,10 +1045,16 @@ sosetopt(so, level, optname, m0) switch (optname) { case SO_SNDBUF: + if (sbcheckreserve(cnt, unpst_sendspace) || + sbreserve(&so->so_snd, cnt) == 0) { + error = ENOBUFS; + goto bad; + } + break; + case SO_RCVBUF: - if (sbreserve(optname == SO_SNDBUF ? - &so->so_snd : &so->so_rcv, - cnt) == 0) { + if (sbcheckreserve(cnt, unpst_recvspace) || + sbreserve(&so->so_rcv, cnt) == 0) { error = ENOBUFS; goto bad; } |