diff options
Diffstat (limited to 'sys/netinet/ip_output.c')
| -rw-r--r-- | sys/netinet/ip_output.c | 47 |
1 files changed, 46 insertions, 1 deletions
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c index 4cf3e2f7fce..2b31d8dd9f2 100644 --- a/sys/netinet/ip_output.c +++ b/sys/netinet/ip_output.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ip_output.c,v 1.5 1996/03/04 10:34:33 mickey Exp $ */ +/* $OpenBSD: ip_output.c,v 1.6 1996/07/29 02:34:31 downsj Exp $ */ /* $NetBSD: ip_output.c,v 1.28 1996/02/13 23:43:07 christos Exp $ */ /* @@ -583,6 +583,37 @@ ip_ctloutput(op, so, level, optname, mp) error = ip_setmoptions(optname, &inp->inp_moptions, m); break; + case IP_PORTRANGE: + if (m == 0 || m->m_len != sizeof(int)) + error = EINVAL; + else { + optval = *mtod(m, int *); + + switch (optval) { + + case IP_PORTRANGE_DEFAULT: + inp->inp_flags &= ~(INP_LOWPORT); + inp->inp_flags &= ~(INP_HIGHPORT); + break; + + case IP_PORTRANGE_HIGH: + inp->inp_flags &= ~(INP_LOWPORT); + inp->inp_flags |= INP_HIGHPORT; + break; + + case IP_PORTRANGE_LOW: + inp->inp_flags &= ~(INP_HIGHPORT); + inp->inp_flags |= INP_LOWPORT; + break; + + default: + + error = EINVAL; + break; + } + } + break; + default: error = ENOPROTOOPT; break; @@ -646,6 +677,20 @@ ip_ctloutput(op, so, level, optname, mp) error = ip_getmoptions(optname, inp->inp_moptions, mp); break; + case IP_PORTRANGE: + *mp = m = m_get(M_WAIT, MT_SOOPTS); + m->m_len = sizeof(int); + + if (inp->inp_flags & INP_HIGHPORT) + optval = IP_PORTRANGE_HIGH; + else if (inp->inp_flags & INP_LOWPORT) + optval = IP_PORTRANGE_LOW; + else + optval = 0; + + *mtod(m, int *) = optval; + break; + default: error = ENOPROTOOPT; break; |