diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_addrtype.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_addrtype.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/net/ipv4/netfilter/ipt_addrtype.c b/net/ipv4/netfilter/ipt_addrtype.c index 88762f02779..3b216be3bc9 100644 --- a/net/ipv4/netfilter/ipt_addrtype.c +++ b/net/ipv4/netfilter/ipt_addrtype.c @@ -23,24 +23,25 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>"); MODULE_DESCRIPTION("Xtables: address type match for IPv4"); -static inline bool match_type(const struct net_device *dev, __be32 addr, - u_int16_t mask) +static inline bool match_type(struct net *net, const struct net_device *dev, + __be32 addr, u_int16_t mask) { - return !!(mask & (1 << inet_dev_addr_type(&init_net, dev, addr))); + return !!(mask & (1 << inet_dev_addr_type(net, dev, addr))); } static bool addrtype_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par) { + struct net *net = dev_net(par->in ? par->in : par->out); const struct ipt_addrtype_info *info = par->matchinfo; const struct iphdr *iph = ip_hdr(skb); bool ret = true; if (info->source) - ret &= match_type(NULL, iph->saddr, info->source) ^ + ret &= match_type(net, NULL, iph->saddr, info->source) ^ info->invert_source; if (info->dest) - ret &= match_type(NULL, iph->daddr, info->dest) ^ + ret &= match_type(net, NULL, iph->daddr, info->dest) ^ info->invert_dest; return ret; @@ -49,6 +50,7 @@ addrtype_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par) static bool addrtype_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par) { + struct net *net = dev_net(par->in ? par->in : par->out); const struct ipt_addrtype_info_v1 *info = par->matchinfo; const struct iphdr *iph = ip_hdr(skb); const struct net_device *dev = NULL; @@ -60,10 +62,10 @@ addrtype_mt_v1(const struct sk_buff *skb, const struct xt_match_param *par) dev = par->out; if (info->source) - ret &= match_type(dev, iph->saddr, info->source) ^ + ret &= match_type(net, dev, iph->saddr, info->source) ^ (info->flags & IPT_ADDRTYPE_INVERT_SOURCE); if (ret && info->dest) - ret &= match_type(dev, iph->daddr, info->dest) ^ + ret &= match_type(net, dev, iph->daddr, info->dest) ^ !!(info->flags & IPT_ADDRTYPE_INVERT_DEST); return ret; } |