diff options
| author |   cmetz <cmetz@openbsd.org> | 1999-07-06 20:17:52 +0000 |
|---|---|---|
| committer | cmetz <cmetz@openbsd.org> | 1999-07-06 20:17:52 +0000 |
| commit | b9de2beaa8a944cfbbd81ed84b47568ee4d25b2b (patch) | |
| tree | b7e9897e9d53628c4ed5a3f9a8236951b4ce912b /sys/netinet/tcp_usrreq.c | |
| parent | Fixed compilation problems when INET6 is enabled. (diff) | |
| download | wireguard-openbsd-b9de2beaa8a944cfbbd81ed84b47568ee4d25b2b.tar.xz wireguard-openbsd-b9de2beaa8a944cfbbd81ed84b47568ee4d25b2b.zip | |
Added support for TCP MD5 option (RFC 2385).
Diffstat (limited to 'sys/netinet/tcp_usrreq.c')
| -rw-r--r-- | sys/netinet/tcp_usrreq.c | 30 |
1 files changed, 28 insertions, 2 deletions
diff --git a/sys/netinet/tcp_usrreq.c b/sys/netinet/tcp_usrreq.c index de6ee75474f..d9ca963cc58 100644 --- a/sys/netinet/tcp_usrreq.c +++ b/sys/netinet/tcp_usrreq.c @@ -1,4 +1,4 @@ -/* $OpenBSD: tcp_usrreq.c,v 1.34 1999/07/02 20:39:08 cmetz Exp $ */ +/* $OpenBSD: tcp_usrreq.c,v 1.35 1999/07/06 20:17:53 cmetz Exp $ */ /* $NetBSD: tcp_usrreq.c,v 1.20 1996/02/13 23:44:16 christos Exp $ */ /* @@ -555,13 +555,39 @@ tcp_ctloutput(op, so, level, optname, mp) break; } + if (tp->t_flags & TF_SIGNATURE) { + error = EPERM; + break; + } + if (*mtod(m, int *)) tp->sack_disable = 1; else tp->sack_disable = 0; break; #endif - default: +#ifdef TCP_SIGNATURE + case TCP_SIGNATURE_ENABLE: + if (m == NULL || m->m_len < sizeof (int)) { + error = EINVAL; + break; + } + + if (TCPS_HAVEESTABLISHED(tp->t_state)) { + error = EPERM; + break; + } + + if (*mtod(m, int *)) { + tp->t_flags |= TF_SIGNATURE; +#ifdef TCP_SACK + tp->sack_disable = 1; +#endif /* TCP_SACK */ + } else + tp->t_flags &= ~TF_SIGNATURE; + break; +#endif /* TCP_SIGNATURE */ + default: error = ENOPROTOOPT; break; } |