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authorPatrick McHardy <kaber@trash.net>2006-09-20 12:06:40 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2006-09-22 15:20:05 -0700
commit7ce975b9da93b46dbf6ba70a1b4751bec211d079 (patch)
treefac49f960fff7ac2bfbfec200f30fe1a377d48cd
parentf1eda05386ade8dad4e8e9b48ecbd9432b6739d9 (diff)
[NETFILTER]: xt_CONNMARK: add compat conversion functions
Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--net/netfilter/xt_CONNMARK.c36
1 files changed, 36 insertions, 0 deletions
diff --git a/net/netfilter/xt_CONNMARK.c b/net/netfilter/xt_CONNMARK.c
index 6ccb45ee088..c01524f817f 100644
--- a/net/netfilter/xt_CONNMARK.c
+++ b/net/netfilter/xt_CONNMARK.c
@@ -108,6 +108,37 @@ checkentry(const char *tablename,
return 1;
}
+#ifdef CONFIG_COMPAT
+struct compat_xt_connmark_target_info {
+ compat_ulong_t mark, mask;
+ u_int8_t mode;
+ u_int8_t __pad1;
+ u_int16_t __pad2;
+};
+
+static void compat_from_user(void *dst, void *src)
+{
+ struct compat_xt_connmark_target_info *cm = src;
+ struct xt_connmark_target_info m = {
+ .mark = cm->mark,
+ .mask = cm->mask,
+ .mode = cm->mode,
+ };
+ memcpy(dst, &m, sizeof(m));
+}
+
+static int compat_to_user(void __user *dst, void *src)
+{
+ struct xt_connmark_target_info *m = src;
+ struct compat_xt_connmark_target_info cm = {
+ .mark = m->mark,
+ .mask = m->mask,
+ .mode = m->mode,
+ };
+ return copy_to_user(dst, &cm, sizeof(cm)) ? -EFAULT : 0;
+}
+#endif /* CONFIG_COMPAT */
+
static struct xt_target xt_connmark_target[] = {
{
.name = "CONNMARK",
@@ -115,6 +146,11 @@ static struct xt_target xt_connmark_target[] = {
.checkentry = checkentry,
.target = target,
.targetsize = sizeof(struct xt_connmark_target_info),
+#ifdef CONFIG_COMPAT
+ .compatsize = sizeof(struct compat_xt_connmark_target_info),
+ .compat_from_user = compat_from_user,
+ .compat_to_user = compat_to_user,
+#endif
.me = THIS_MODULE
},
{