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authoraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-08 19:24:00 +0000
committeraliguori <aliguori@c046a42c-6fe2-441c-8c8c-71466251a162>2009-01-08 19:24:00 +0000
commita9ba3a856d8e84f4c32bcfa2b92727b7add4996c (patch)
treee45a11e63905d3a231456c272d0e094d7a869974 /slirp/bootp.c
parente1c5a2b33409b9795fa58bf389eac855981330a5 (diff)
Add slirp_restrict option (Gleb Natapov)
Add "slirp firewall" to permit connection only to vmchannel addresses. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6241 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'slirp/bootp.c')
-rw-r--r--slirp/bootp.c22
1 files changed, 12 insertions, 10 deletions
diff --git a/slirp/bootp.c b/slirp/bootp.c
index 750fae3d05..bf704abf52 100644
--- a/slirp/bootp.c
+++ b/slirp/bootp.c
@@ -219,16 +219,18 @@ static void bootp_reply(struct bootp_t *bp)
*q++ = 0xff;
*q++ = 0x00;
- *q++ = RFC1533_GATEWAY;
- *q++ = 4;
- memcpy(q, &saddr.sin_addr, 4);
- q += 4;
-
- *q++ = RFC1533_DNS;
- *q++ = 4;
- dns_addr.s_addr = htonl(ntohl(special_addr.s_addr) | CTL_DNS);
- memcpy(q, &dns_addr, 4);
- q += 4;
+ if (!slirp_restrict) {
+ *q++ = RFC1533_GATEWAY;
+ *q++ = 4;
+ memcpy(q, &saddr.sin_addr, 4);
+ q += 4;
+
+ *q++ = RFC1533_DNS;
+ *q++ = 4;
+ dns_addr.s_addr = htonl(ntohl(special_addr.s_addr) | CTL_DNS);
+ memcpy(q, &dns_addr, 4);
+ q += 4;
+ }
*q++ = RFC2132_LEASE_TIME;
*q++ = 4;