2.6.25-stable review patch. If anyone has any objections, please let us know.
------------------
From: Alexey Dobriyan <adobriyan@gmail.com>
netfilter: xt_iprange: fix range inversion match
Upstream commit 6def1eb48:
Inverted IPv4 v1 and IPv6 v0 matches don't match anything since 2.6.25-rc1!
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Acked-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
net/netfilter/xt_iprange.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/net/netfilter/xt_iprange.c
+++ b/net/netfilter/xt_iprange.c
@@ -67,7 +67,7 @@ iprange_mt4(const struct sk_buff *skb, c
if (info->flags & IPRANGE_SRC) {
m = ntohl(iph->saddr) < ntohl(info->src_min.ip);
m |= ntohl(iph->saddr) > ntohl(info->src_max.ip);
- m ^= info->flags & IPRANGE_SRC_INV;
+ m ^= !!(info->flags & IPRANGE_SRC_INV);
if (m) {
pr_debug("src IP " NIPQUAD_FMT " NOT in range %s"
NIPQUAD_FMT "-" NIPQUAD_FMT "\n",
@@ -81,7 +81,7 @@ iprange_mt4(const struct sk_buff *skb, c
if (info->flags & IPRANGE_DST) {
m = ntohl(iph->daddr) < ntohl(info->dst_min.ip);
m |= ntohl(iph->daddr) > ntohl(info->dst_max.ip);
- m ^= info->flags & IPRANGE_DST_INV;
+ m ^= !!(info->flags & IPRANGE_DST_INV);
if (m) {
pr_debug("dst IP " NIPQUAD_FMT " NOT in range %s"
NIPQUAD_FMT "-" NIPQUAD_FMT "\n",
@@ -123,14 +123,14 @@ iprange_mt6(const struct sk_buff *skb, c
if (info->flags & IPRANGE_SRC) {
m = iprange_ipv6_sub(&iph->saddr, &info->src_min.in6) < 0;
m |= iprange_ipv6_sub(&iph->saddr, &info->src_max.in6) > 0;
- m ^= info->flags & IPRANGE_SRC_INV;
+ m ^= !!(info->flags & IPRANGE_SRC_INV);
if (m)
return false;
}
if (info->flags & IPRANGE_DST) {
m = iprange_ipv6_sub(&iph->daddr, &info->dst_min.in6) < 0;
m |= iprange_ipv6_sub(&iph->daddr, &info->dst_max.in6) > 0;
- m ^= info->flags & IPRANGE_DST_INV;
+ m ^= !!(info->flags & IPRANGE_DST_INV);
if (m)
return false;
}
--
--
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