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-rw-r--r--net/ipv6/netfilter.c12
-rw-r--r--net/ipv6/netfilter/Kconfig2
-rw-r--r--net/ipv6/netfilter/ip6_tables.c1
-rw-r--r--net/ipv6/netfilter/ip6t_REJECT.c2
-rw-r--r--net/ipv6/netfilter/ip6table_mangle.c9
-rw-r--r--net/ipv6/netfilter/ip6table_nat.c23
6 files changed, 34 insertions, 15 deletions
diff --git a/net/ipv6/netfilter.c b/net/ipv6/netfilter.c
index 429089c..72836f4 100644
--- a/net/ipv6/netfilter.c
+++ b/net/ipv6/netfilter.c
@@ -1,3 +1,9 @@
+/*
+ * IPv6 specific functions of netfilter core
+ *
+ * Rusty Russell (C) 2000 -- This code is GPL.
+ * Patrick McHardy (C) 2006-2012
+ */
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/ipv6.h>
@@ -29,7 +35,7 @@ int ip6_route_me_harder(struct sk_buff *skb)
IP6_INC_STATS(net, ip6_dst_idev(dst), IPSTATS_MIB_OUTNOROUTES);
LIMIT_NETDEBUG(KERN_DEBUG "ip6_route_me_harder: No more route.\n");
dst_release(dst);
- return -EINVAL;
+ return dst->error;
}
/* Drop old route. */
@@ -43,7 +49,7 @@ int ip6_route_me_harder(struct sk_buff *skb)
skb_dst_set(skb, NULL);
dst = xfrm_lookup(net, dst, flowi6_to_flowi(&fl6), skb->sk, 0);
if (IS_ERR(dst))
- return -1;
+ return PTR_ERR(dst);
skb_dst_set(skb, dst);
}
#endif
@@ -53,7 +59,7 @@ int ip6_route_me_harder(struct sk_buff *skb)
if (skb_headroom(skb) < hh_len &&
pskb_expand_head(skb, HH_DATA_ALIGN(hh_len - skb_headroom(skb)),
0, GFP_ATOMIC))
- return -1;
+ return -ENOMEM;
return 0;
}
diff --git a/net/ipv6/netfilter/Kconfig b/net/ipv6/netfilter/Kconfig
index c72532a..4433ab40 100644
--- a/net/ipv6/netfilter/Kconfig
+++ b/net/ipv6/netfilter/Kconfig
@@ -105,7 +105,7 @@ config IP6_NF_MATCH_MH
config IP6_NF_MATCH_RPFILTER
tristate '"rpfilter" reverse path filter match support'
- depends on NETFILTER_ADVANCED
+ depends on NETFILTER_ADVANCED && (IP6_NF_MANGLE || IP6_NF_RAW)
---help---
This option allows you to match packets whose replies would
go out via the interface the packet came in.
diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c
index 8861b1e..44400c2 100644
--- a/net/ipv6/netfilter/ip6_tables.c
+++ b/net/ipv6/netfilter/ip6_tables.c
@@ -3,6 +3,7 @@
*
* Copyright (C) 1999 Paul `Rusty' Russell & Michael J. Neuling
* Copyright (C) 2000-2005 Netfilter Core Team <coreteam@netfilter.org>
+ * Copyright (c) 2006-2010 Patrick McHardy <kaber@trash.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
diff --git a/net/ipv6/netfilter/ip6t_REJECT.c b/net/ipv6/netfilter/ip6t_REJECT.c
index ed3b427..70f9abc 100644
--- a/net/ipv6/netfilter/ip6t_REJECT.c
+++ b/net/ipv6/netfilter/ip6t_REJECT.c
@@ -7,6 +7,8 @@
* Authors:
* Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp>
*
+ * Copyright (c) 2005-2007 Patrick McHardy <kaber@trash.net>
+ *
* Based on net/ipv4/netfilter/ipt_REJECT.c
*
* This program is free software; you can redistribute it and/or
diff --git a/net/ipv6/netfilter/ip6table_mangle.c b/net/ipv6/netfilter/ip6table_mangle.c
index 6134a1e..e075399 100644
--- a/net/ipv6/netfilter/ip6table_mangle.c
+++ b/net/ipv6/netfilter/ip6table_mangle.c
@@ -38,7 +38,7 @@ ip6t_mangle_out(struct sk_buff *skb, const struct net_device *out)
struct in6_addr saddr, daddr;
u_int8_t hop_limit;
u_int32_t flowlabel, mark;
-
+ int err;
#if 0
/* root is playing with raw sockets. */
if (skb->len < sizeof(struct iphdr) ||
@@ -65,8 +65,11 @@ ip6t_mangle_out(struct sk_buff *skb, const struct net_device *out)
!ipv6_addr_equal(&ipv6_hdr(skb)->daddr, &daddr) ||
skb->mark != mark ||
ipv6_hdr(skb)->hop_limit != hop_limit ||
- flowlabel != *((u_int32_t *)ipv6_hdr(skb))))
- return ip6_route_me_harder(skb) == 0 ? ret : NF_DROP;
+ flowlabel != *((u_int32_t *)ipv6_hdr(skb)))) {
+ err = ip6_route_me_harder(skb);
+ if (err < 0)
+ ret = NF_DROP_ERR(err);
+ }
return ret;
}
diff --git a/net/ipv6/netfilter/ip6table_nat.c b/net/ipv6/netfilter/ip6table_nat.c
index e0e788d..6383f90 100644
--- a/net/ipv6/netfilter/ip6table_nat.c
+++ b/net/ipv6/netfilter/ip6table_nat.c
@@ -179,6 +179,7 @@ nf_nat_ipv6_out(unsigned int hooknum,
#ifdef CONFIG_XFRM
const struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
+ int err;
#endif
unsigned int ret;
@@ -197,9 +198,11 @@ nf_nat_ipv6_out(unsigned int hooknum,
&ct->tuplehash[!dir].tuple.dst.u3) ||
(ct->tuplehash[dir].tuple.dst.protonum != IPPROTO_ICMPV6 &&
ct->tuplehash[dir].tuple.src.u.all !=
- ct->tuplehash[!dir].tuple.dst.u.all))
- if (nf_xfrm_me_harder(skb, AF_INET6) < 0)
- ret = NF_DROP;
+ ct->tuplehash[!dir].tuple.dst.u.all)) {
+ err = nf_xfrm_me_harder(skb, AF_INET6);
+ if (err < 0)
+ ret = NF_DROP_ERR(err);
+ }
}
#endif
return ret;
@@ -215,6 +218,7 @@ nf_nat_ipv6_local_fn(unsigned int hooknum,
const struct nf_conn *ct;
enum ip_conntrack_info ctinfo;
unsigned int ret;
+ int err;
/* root is playing with raw sockets. */
if (skb->len < sizeof(struct ipv6hdr))
@@ -227,16 +231,19 @@ nf_nat_ipv6_local_fn(unsigned int hooknum,
if (!nf_inet_addr_cmp(&ct->tuplehash[dir].tuple.dst.u3,
&ct->tuplehash[!dir].tuple.src.u3)) {
- if (ip6_route_me_harder(skb))
- ret = NF_DROP;
+ err = ip6_route_me_harder(skb);
+ if (err < 0)
+ ret = NF_DROP_ERR(err);
}
#ifdef CONFIG_XFRM
else if (!(IP6CB(skb)->flags & IP6SKB_XFRM_TRANSFORMED) &&
ct->tuplehash[dir].tuple.dst.protonum != IPPROTO_ICMPV6 &&
ct->tuplehash[dir].tuple.dst.u.all !=
- ct->tuplehash[!dir].tuple.src.u.all)
- if (nf_xfrm_me_harder(skb, AF_INET6))
- ret = NF_DROP;
+ ct->tuplehash[!dir].tuple.src.u.all) {
+ err = nf_xfrm_me_harder(skb, AF_INET6);
+ if (err < 0)
+ ret = NF_DROP_ERR(err);
+ }
#endif
}
return ret;
generated by cgit v0.10.2 at 2024-11-18 22:40:15 (GMT)