diff options
Diffstat (limited to 'slirp/udp.c')
| -rw-r--r-- | slirp/udp.c | 23 |
1 files changed, 13 insertions, 10 deletions
diff --git a/slirp/udp.c b/slirp/udp.c index 02b3793e9..5b060f397 100644 --- a/slirp/udp.c +++ b/slirp/udp.c @@ -120,23 +120,26 @@ udp_input(register struct mbuf *m, int iphlen) /* * handle DHCP/BOOTP */ - if (ntohs(uh->uh_dport) == BOOTP_SERVER) { - bootp_input(m); - goto bad; - } - - if (slirp->restricted) { - goto bad; - } + if (ntohs(uh->uh_dport) == BOOTP_SERVER && + (ip->ip_dst.s_addr == slirp->vhost_addr.s_addr || + ip->ip_dst.s_addr == 0xffffffff)) { + bootp_input(m); + goto bad; + } /* * handle TFTP */ - if (ntohs(uh->uh_dport) == TFTP_SERVER) { + if (ntohs(uh->uh_dport) == TFTP_SERVER && + ip->ip_dst.s_addr == slirp->vhost_addr.s_addr) { tftp_input(m); goto bad; } + if (slirp->restricted) { + goto bad; + } + /* * Locate pcb for datagram. */ @@ -219,7 +222,7 @@ udp_input(register struct mbuf *m, int iphlen) return; bad: - m_freem(m); + m_free(m); return; } |