netfilter: nf_nat_sip: add TCP support
[safe/jmp/linux-2.6] / net / netfilter / xt_iprange.c
index 6f62c36..ffc9638 100644 (file)
 #include <linux/ipv6.h>
 #include <linux/netfilter/x_tables.h>
 #include <linux/netfilter/xt_iprange.h>
-#include <linux/netfilter_ipv4/ipt_iprange.h>
-
-static bool
-iprange_mt_v0(const struct sk_buff *skb, const struct xt_match_param *par)
-{
-       const struct ipt_iprange_info *info = par->matchinfo;
-       const struct iphdr *iph = ip_hdr(skb);
-
-       if (info->flags & IPRANGE_SRC) {
-               if ((ntohl(iph->saddr) < ntohl(info->src.min_ip)
-                         || ntohl(iph->saddr) > ntohl(info->src.max_ip))
-                        ^ !!(info->flags & IPRANGE_SRC_INV)) {
-                       pr_debug("src IP %u.%u.%u.%u NOT in range %s"
-                                "%u.%u.%u.%u-%u.%u.%u.%u\n",
-                                NIPQUAD(iph->saddr),
-                                info->flags & IPRANGE_SRC_INV ? "(INV) " : "",
-                                NIPQUAD(info->src.min_ip),
-                                NIPQUAD(info->src.max_ip));
-                       return false;
-               }
-       }
-       if (info->flags & IPRANGE_DST) {
-               if ((ntohl(iph->daddr) < ntohl(info->dst.min_ip)
-                         || ntohl(iph->daddr) > ntohl(info->dst.max_ip))
-                        ^ !!(info->flags & IPRANGE_DST_INV)) {
-                       pr_debug("dst IP %u.%u.%u.%u NOT in range %s"
-                                "%u.%u.%u.%u-%u.%u.%u.%u\n",
-                                NIPQUAD(iph->daddr),
-                                info->flags & IPRANGE_DST_INV ? "(INV) " : "",
-                                NIPQUAD(info->dst.min_ip),
-                                NIPQUAD(info->dst.max_ip));
-                       return false;
-               }
-       }
-       return true;
-}
 
 static bool
 iprange_mt4(const struct sk_buff *skb, const struct xt_match_param *par)
@@ -61,28 +25,26 @@ iprange_mt4(const struct sk_buff *skb, const struct xt_match_param *par)
        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",
-                                NIPQUAD(iph->saddr),
+                       pr_debug("src IP %pI4 NOT in range %s%pI4-%pI4\n",
+                                &iph->saddr,
                                 (info->flags & IPRANGE_SRC_INV) ? "(INV) " : "",
-                                NIPQUAD(info->src_max.ip),
-                                NIPQUAD(info->src_max.ip));
+                                &info->src_max.ip,
+                                &info->src_max.ip);
                        return false;
                }
        }
        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",
-                                NIPQUAD(iph->daddr),
+                       pr_debug("dst IP %pI4 NOT in range %s%pI4-%pI4\n",
+                                &iph->daddr,
                                 (info->flags & IPRANGE_DST_INV) ? "(INV) " : "",
-                                NIPQUAD(info->dst_min.ip),
-                                NIPQUAD(info->dst_max.ip));
+                                &info->dst_min.ip,
+                                &info->dst_max.ip);
                        return false;
                }
        }
@@ -114,14 +76,14 @@ iprange_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
        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;
        }
@@ -131,14 +93,6 @@ iprange_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
 static struct xt_match iprange_mt_reg[] __read_mostly = {
        {
                .name      = "iprange",
-               .revision  = 0,
-               .family    = NFPROTO_IPV4,
-               .match     = iprange_mt_v0,
-               .matchsize = sizeof(struct ipt_iprange_info),
-               .me        = THIS_MODULE,
-       },
-       {
-               .name      = "iprange",
                .revision  = 1,
                .family    = NFPROTO_IPV4,
                .match     = iprange_mt4,
@@ -168,7 +122,8 @@ static void __exit iprange_mt_exit(void)
 module_init(iprange_mt_init);
 module_exit(iprange_mt_exit);
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>, Jan Engelhardt <jengelh@computergmbh.de>");
+MODULE_AUTHOR("Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>");
+MODULE_AUTHOR("Jan Engelhardt <jengelh@medozas.de>");
 MODULE_DESCRIPTION("Xtables: arbitrary IPv4 range matching");
 MODULE_ALIAS("ipt_iprange");
 MODULE_ALIAS("ip6t_iprange");