diff options
| author | Markus Friedl <markus@cvs.openbsd.org> | 2017-05-31 08:55:11 +0000 |
|---|---|---|
| committer | Markus Friedl <markus@cvs.openbsd.org> | 2017-05-31 08:55:11 +0000 |
| commit | 53aa6b1590faf98db62e08226bfc1c520918625d (patch) | |
| tree | de9fd4eb6eb93223a484331efbf2e4c087d7cc3d /sys/kern/uipc_socket.c | |
| parent | 408ddf4ee98cd3365cd397d1008a9de02f64f7e8 (diff) | |
new socketoption SO_ZEROIZE: zero out all mbufs sent over socket
ok deraadt bluhm
Diffstat (limited to 'sys/kern/uipc_socket.c')
| -rw-r--r-- | sys/kern/uipc_socket.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/kern/uipc_socket.c b/sys/kern/uipc_socket.c index 6003a4661c1..1241f47479c 100644 --- a/sys/kern/uipc_socket.c +++ b/sys/kern/uipc_socket.c @@ -1,4 +1,4 @@ -/* $OpenBSD: uipc_socket.c,v 1.185 2017/05/27 18:50:53 claudio Exp $ */ +/* $OpenBSD: uipc_socket.c,v 1.186 2017/05/31 08:55:10 markus Exp $ */ /* $NetBSD: uipc_socket.c,v 1.21 1996/02/04 02:17:52 christos Exp $ */ /* @@ -483,6 +483,8 @@ restart: s = solock(so); if (resid == 0) so->so_state &= ~SS_ISSENDING; + if (top && so->so_options & SO_ZEROIZE) + top->m_flags |= M_ZEROIZE; error = (*so->so_proto->pr_usrreq)(so, (flags & MSG_OOB) ? PRU_SENDOOB : PRU_SEND, top, addr, control, curproc); @@ -1591,6 +1593,7 @@ sosetopt(struct socket *so, int level, int optname, struct mbuf *m0) case SO_REUSEPORT: case SO_OOBINLINE: case SO_TIMESTAMP: + case SO_ZEROIZE: if (m == NULL || m->m_len < sizeof (int)) { error = EINVAL; goto bad; @@ -1792,6 +1795,7 @@ sogetopt(struct socket *so, int level, int optname, struct mbuf **mp) case SO_BROADCAST: case SO_OOBINLINE: case SO_TIMESTAMP: + case SO_ZEROIZE: *mtod(m, int *) = so->so_options & optname; break; |