diff options
| author | Jan Engelhardt <jengelh@medozas.de> | 2008-10-08 11:35:13 +0200 |
|---|---|---|
| committer | Patrick McHardy <kaber@trash.net> | 2008-10-08 11:35:13 +0200 |
| commit | 18219d3f7d6a5bc43825a41e0763158efbdb80d3 (patch) | |
| tree | aca133d934ec93fc441d5a26937b2428d23573bd /net/bridge/netfilter/ebt_dnat.c | |
| parent | d2f26037a38ada4a5d40d1cf0b32bc5289f50312 (diff) | |
netfilter: ebtables: do centralized size checking
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/bridge/netfilter/ebt_dnat.c')
| -rw-r--r-- | net/bridge/netfilter/ebt_dnat.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/bridge/netfilter/ebt_dnat.c b/net/bridge/netfilter/ebt_dnat.c index ca64c1cc1b47..c2be41e8bb99 100644 --- a/net/bridge/netfilter/ebt_dnat.c +++ b/net/bridge/netfilter/ebt_dnat.c @@ -7,12 +7,12 @@ * June, 2002 * */ - +#include <linux/module.h> +#include <net/sock.h> #include <linux/netfilter.h> +#include <linux/netfilter/x_tables.h> #include <linux/netfilter_bridge/ebtables.h> #include <linux/netfilter_bridge/ebt_nat.h> -#include <linux/module.h> -#include <net/sock.h> static int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr, const struct net_device *in, const struct net_device *out, @@ -39,8 +39,6 @@ static int ebt_target_dnat_check(const char *tablename, unsigned int hookmask, (hookmask & ~((1 << NF_BR_PRE_ROUTING) | (1 << NF_BR_LOCAL_OUT)))) && (strcmp(tablename, "broute") || hookmask & ~(1 << NF_BR_BROUTING)) ) return -EINVAL; - if (datalen != EBT_ALIGN(sizeof(struct ebt_nat_info))) - return -EINVAL; if (INVALID_TARGET) return -EINVAL; return 0; @@ -50,6 +48,7 @@ static struct ebt_target dnat __read_mostly = { .name = EBT_DNAT_TARGET, .target = ebt_target_dnat, .check = ebt_target_dnat_check, + .targetsize = XT_ALIGN(sizeof(struct ebt_nat_info)), .me = THIS_MODULE, }; |