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|
Index: linux-3.8.13/include/net/netns/ipv6.h
===================================================================
--- linux-3.8.13.orig/include/net/netns/ipv6.h 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/include/net/netns/ipv6.h 2013-06-10 14:14:20.898911309 +0200
@@ -54,6 +54,7 @@
unsigned long ip6_rt_last_gc;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
struct rt6_info *ip6_prohibit_entry;
+ struct rt6_info *ip6_failed_policy_entry;
struct rt6_info *ip6_blk_hole_entry;
struct fib6_table *fib6_local_tbl;
struct fib_rules_ops *fib6_rules_ops;
Index: linux-3.8.13/include/uapi/linux/fib_rules.h
===================================================================
--- linux-3.8.13.orig/include/uapi/linux/fib_rules.h 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/include/uapi/linux/fib_rules.h 2013-06-10 14:14:20.898911309 +0200
@@ -64,6 +64,10 @@
FR_ACT_BLACKHOLE, /* Drop without notification */
FR_ACT_UNREACHABLE, /* Drop with ENETUNREACH */
FR_ACT_PROHIBIT, /* Drop with EACCES */
+ FR_ACT_RES9,
+ FR_ACT_RES10,
+ FR_ACT_RES11,
+ FR_ACT_FAILED_POLICY, /* Drop with EPERM */
__FR_ACT_MAX,
};
Index: linux-3.8.13/include/uapi/linux/icmpv6.h
===================================================================
--- linux-3.8.13.orig/include/uapi/linux/icmpv6.h 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/include/uapi/linux/icmpv6.h 2013-06-10 14:14:20.898911309 +0200
@@ -115,6 +115,7 @@
#define ICMPV6_NOT_NEIGHBOUR 2
#define ICMPV6_ADDR_UNREACH 3
#define ICMPV6_PORT_UNREACH 4
+#define ICMPV6_FAILED_POLICY 5
/*
* Codes for Time Exceeded
Index: linux-3.8.13/include/uapi/linux/rtnetlink.h
===================================================================
--- linux-3.8.13.orig/include/uapi/linux/rtnetlink.h 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/include/uapi/linux/rtnetlink.h 2013-06-10 14:14:20.898911309 +0200
@@ -203,6 +203,7 @@
RTN_THROW, /* Not in this table */
RTN_NAT, /* Translate this address */
RTN_XRESOLVE, /* Use external resolver */
+ RTN_FAILED_POLICY, /* Failed ingress/egress policy */
__RTN_MAX
};
Index: linux-3.8.13/net/ipv4/fib_rules.c
===================================================================
--- linux-3.8.13.orig/net/ipv4/fib_rules.c 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/net/ipv4/fib_rules.c 2013-06-10 14:14:20.898911309 +0200
@@ -84,6 +84,10 @@
err = -EACCES;
goto errout;
+ case FR_ACT_FAILED_POLICY:
+ err = -EPERM;
+ goto errout;
+
case FR_ACT_BLACKHOLE:
default:
err = -EINVAL;
Index: linux-3.8.13/net/ipv4/fib_semantics.c
===================================================================
--- linux-3.8.13.orig/net/ipv4/fib_semantics.c 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/net/ipv4/fib_semantics.c 2013-06-10 14:14:20.898911309 +0200
@@ -138,6 +138,10 @@
.error = -EINVAL,
.scope = RT_SCOPE_NOWHERE,
},
+ [RTN_FAILED_POLICY] = {
+ .error = -EPERM,
+ .scope = RT_SCOPE_UNIVERSE,
+ },
};
static void rt_fibinfo_free(struct rtable __rcu **rtp)
Index: linux-3.8.13/net/ipv4/fib_trie.c
===================================================================
--- linux-3.8.13.orig/net/ipv4/fib_trie.c 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/net/ipv4/fib_trie.c 2013-06-10 14:14:20.902911309 +0200
@@ -2350,6 +2350,7 @@
[RTN_THROW] = "THROW",
[RTN_NAT] = "NAT",
[RTN_XRESOLVE] = "XRESOLVE",
+ [RTN_FAILED_POLICY] = "FAILED_POLICY",
};
static inline const char *rtn_type(char *buf, size_t len, unsigned int t)
Index: linux-3.8.13/net/ipv4/ipmr.c
===================================================================
--- linux-3.8.13.orig/net/ipv4/ipmr.c 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/net/ipv4/ipmr.c 2013-06-10 14:14:20.902911309 +0200
@@ -181,6 +181,7 @@
case FR_ACT_UNREACHABLE:
return -ENETUNREACH;
case FR_ACT_PROHIBIT:
+ case FR_ACT_FAILED_POLICY:
return -EACCES;
case FR_ACT_BLACKHOLE:
default:
Index: linux-3.8.13/net/ipv6/fib6_rules.c
===================================================================
--- linux-3.8.13.orig/net/ipv6/fib6_rules.c 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/net/ipv6/fib6_rules.c 2013-06-10 14:14:20.902911309 +0200
@@ -69,6 +69,9 @@
case FR_ACT_PROHIBIT:
rt = net->ipv6.ip6_prohibit_entry;
goto discard_pkt;
+ case FR_ACT_FAILED_POLICY:
+ rt = net->ipv6.ip6_failed_policy_entry;
+ goto discard_pkt;
}
table = fib6_get_table(net, rule->table);
Index: linux-3.8.13/net/ipv6/ip6mr.c
===================================================================
--- linux-3.8.13.orig/net/ipv6/ip6mr.c 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/net/ipv6/ip6mr.c 2013-06-10 14:14:20.902911309 +0200
@@ -166,6 +166,8 @@
return -ENETUNREACH;
case FR_ACT_PROHIBIT:
return -EACCES;
+ case FR_ACT_FAILED_POLICY:
+ return -EPERM;
case FR_ACT_BLACKHOLE:
default:
return -EINVAL;
Index: linux-3.8.13/net/ipv6/route.c
===================================================================
--- linux-3.8.13.orig/net/ipv6/route.c 2013-06-10 14:14:20.910911309 +0200
+++ linux-3.8.13/net/ipv6/route.c 2013-06-10 14:14:20.906911309 +0200
@@ -258,6 +258,24 @@
.rt6i_ref = ATOMIC_INIT(1),
};
+static int ip6_pkt_failed_policy(struct sk_buff *skb);
+static int ip6_pkt_failed_policy_out(struct sk_buff *skb);
+
+static const struct rt6_info ip6_failed_policy_entry_template = {
+ .dst = {
+ .__refcnt = ATOMIC_INIT(1),
+ .__use = 1,
+ .obsolete = DST_OBSOLETE_FORCE_CHK,
+ .error = -EPERM,
+ .input = ip6_pkt_failed_policy,
+ .output = ip6_pkt_failed_policy_out,
+ },
+ .rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
+ .rt6i_protocol = RTPROT_KERNEL,
+ .rt6i_metric = ~(u32) 0,
+ .rt6i_ref = ATOMIC_INIT(1),
+};
+
static const struct rt6_info ip6_blk_hole_entry_template = {
.dst = {
.__refcnt = ATOMIC_INIT(1),
@@ -1516,6 +1534,9 @@
case RTN_THROW:
rt->dst.error = -EAGAIN;
break;
+ case RTN_FAILED_POLICY:
+ rt->dst.error = -EPERM;
+ break;
default:
rt->dst.error = -ENETUNREACH;
break;
@@ -2110,6 +2131,17 @@
return ip6_pkt_drop(skb, ICMPV6_ADM_PROHIBITED, IPSTATS_MIB_OUTNOROUTES);
}
+static int ip6_pkt_failed_policy(struct sk_buff *skb)
+{
+ return ip6_pkt_drop(skb, ICMPV6_FAILED_POLICY, IPSTATS_MIB_INNOROUTES);
+}
+
+static int ip6_pkt_failed_policy_out(struct sk_buff *skb)
+{
+ skb->dev = skb_dst(skb)->dev;
+ return ip6_pkt_drop(skb, ICMPV6_FAILED_POLICY, IPSTATS_MIB_OUTNOROUTES);
+}
+
#endif
/*
@@ -2321,7 +2353,8 @@
if (rtm->rtm_type == RTN_UNREACHABLE ||
rtm->rtm_type == RTN_BLACKHOLE ||
rtm->rtm_type == RTN_PROHIBIT ||
- rtm->rtm_type == RTN_THROW)
+ rtm->rtm_type == RTN_THROW ||
+ rtm->rtm_type == RTN_FAILED_POLICY)
cfg->fc_flags |= RTF_REJECT;
if (rtm->rtm_type == RTN_LOCAL)
@@ -2524,6 +2557,9 @@
case -EACCES:
rtm->rtm_type = RTN_PROHIBIT;
break;
+ case -EPERM:
+ rtm->rtm_type = RTN_FAILED_POLICY;
+ break;
case -EAGAIN:
rtm->rtm_type = RTN_THROW;
break;
@@ -2775,6 +2811,8 @@
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
net->ipv6.ip6_prohibit_entry->dst.dev = dev;
net->ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(dev);
+ net->ipv6.ip6_failed_policy_entry->dst.dev = dev;
+ net->ipv6.ip6_failed_policy_entry->rt6i_idev = in6_dev_get(dev);
net->ipv6.ip6_blk_hole_entry->dst.dev = dev;
net->ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(dev);
#endif
@@ -3037,6 +3075,17 @@
net->ipv6.ip6_blk_hole_entry->dst.ops = &net->ipv6.ip6_dst_ops;
dst_init_metrics(&net->ipv6.ip6_blk_hole_entry->dst,
ip6_template_metrics, true);
+
+ net->ipv6.ip6_failed_policy_entry =
+ kmemdup(&ip6_failed_policy_entry_template,
+ sizeof(*net->ipv6.ip6_failed_policy_entry), GFP_KERNEL);
+ if (!net->ipv6.ip6_failed_policy_entry)
+ goto out_ip6_blk_hole_entry;
+ net->ipv6.ip6_failed_policy_entry->dst.path =
+ (struct dst_entry *)net->ipv6.ip6_failed_policy_entry;
+ net->ipv6.ip6_failed_policy_entry->dst.ops = &net->ipv6.ip6_dst_ops;
+ dst_init_metrics(&net->ipv6.ip6_failed_policy_entry->dst,
+ ip6_template_metrics, true);
#endif
net->ipv6.sysctl.flush_delay = 0;
@@ -3055,6 +3104,8 @@
return ret;
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
+out_ip6_blk_hole_entry:
+ kfree(net->ipv6.ip6_blk_hole_entry);
out_ip6_prohibit_entry:
kfree(net->ipv6.ip6_prohibit_entry);
out_ip6_null_entry:
@@ -3072,6 +3123,7 @@
#ifdef CONFIG_IPV6_MULTIPLE_TABLES
kfree(net->ipv6.ip6_prohibit_entry);
kfree(net->ipv6.ip6_blk_hole_entry);
+ kfree(net->ipv6.ip6_failed_policy_entry);
#endif
dst_entries_destroy(&net->ipv6.ip6_dst_ops);
}
@@ -3168,6 +3220,9 @@
init_net.ipv6.ip6_prohibit_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
init_net.ipv6.ip6_blk_hole_entry->dst.dev = init_net.loopback_dev;
init_net.ipv6.ip6_blk_hole_entry->rt6i_idev = in6_dev_get(init_net.loopback_dev);
+ init_net.ipv6.ip6_failed_policy_entry->dst.dev = init_net.loopback_dev;
+ init_net.ipv6.ip6_failed_policy_entry->rt6i_idev =
+ in6_dev_get(init_net.loopback_dev);
#endif
ret = fib6_init();
if (ret)
|
