From 78d7a1672fd0191d0acd079015133da2a62f7439 Mon Sep 17 00:00:00 2001 From: Alexey Dobriyan Date: Wed, 22 Oct 2008 19:41:28 +0200 Subject: netfilter: xt_iprange: fix range inversion match 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 Acked-by: Jan Engelhardt Signed-off-by: Patrick McHardy Signed-off-by: Greg Kroah-Hartman --- net/netfilter/xt_iprange.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/net/netfilter/xt_iprange.c b/net/netfilter/xt_iprange.c index c63e9333c755..4b5741bac341 100644 --- a/net/netfilter/xt_iprange.c +++ b/net/netfilter/xt_iprange.c @@ -67,7 +67,7 @@ iprange_mt4(const struct sk_buff *skb, const struct net_device *in, 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, const struct net_device *in, 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, const struct net_device *in, 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; } -- cgit v1.2.1