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| author | Jan Kiszka <jan.kiszka@siemens.com> | 2011-07-20 12:20:13 +0200 |
|---|---|---|
| committer | Anthony Liguori <aliguori@us.ibm.com> | 2011-07-23 10:19:49 -0500 |
| commit | 12b513d837c9da5277390ddaf98ca0058339977a (patch) | |
| tree | 57d4e937818492effc1f31402dc830b1ca0b206c /slirp/ip_icmp.c | |
| parent | 80f52a6694423da7a40e2ec39e14a5817184c7ef (diff) | |
| download | qemu-12b513d837c9da5277390ddaf98ca0058339977a.zip qemu-12b513d837c9da5277390ddaf98ca0058339977a.tar.gz qemu-12b513d837c9da5277390ddaf98ca0058339977a.tar.bz2 | |
slirp: Fix restricted mode
This aligns the code to what the documentation claims: Allow everything
but requests that would have to be routed outside of the virtual LAN.
So we need to drop the unneeded IP-level filter, allow TFTP requests,
and add the missing protocol-level filter to ICMP.
CC: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'slirp/ip_icmp.c')
| -rw-r--r-- | slirp/ip_icmp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/slirp/ip_icmp.c b/slirp/ip_icmp.c index 751a8e2..0cd129c 100644 --- a/slirp/ip_icmp.c +++ b/slirp/ip_icmp.c @@ -101,6 +101,8 @@ icmp_input(struct mbuf *m, int hlen) ip->ip_len += hlen; /* since ip_input subtracts this */ if (ip->ip_dst.s_addr == slirp->vhost_addr.s_addr) { icmp_reflect(m); + } else if (slirp->restricted) { + goto freeit; } else { struct socket *so; struct sockaddr_in addr; |