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_ulog.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_ulog.c')
| -rw-r--r-- | net/bridge/netfilter/ebt_ulog.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c index 3b1678cd66f1..bdd8a27bba9c 100644 --- a/net/bridge/netfilter/ebt_ulog.c +++ b/net/bridge/netfilter/ebt_ulog.c @@ -36,6 +36,7 @@ #include <linux/timer.h> #include <linux/netlink.h> #include <linux/netdevice.h> +#include <linux/netfilter/x_tables.h> #include <linux/netfilter_bridge/ebtables.h> #include <linux/netfilter_bridge/ebt_ulog.h> #include <net/netfilter/nf_log.h> @@ -260,8 +261,7 @@ static int ebt_ulog_check(const char *tablename, unsigned int hookmask, { struct ebt_ulog_info *uloginfo = data; - if (datalen != EBT_ALIGN(sizeof(struct ebt_ulog_info)) || - uloginfo->nlgroup > 31) + if (uloginfo->nlgroup > 31) return -EINVAL; uloginfo->prefix[EBT_ULOG_PREFIX_LEN - 1] = '\0'; @@ -276,6 +276,7 @@ static struct ebt_watcher ulog __read_mostly = { .name = EBT_ULOG_WATCHER, .watcher = ebt_ulog, .check = ebt_ulog_check, + .targetsize = XT_ALIGN(sizeof(struct ebt_ulog_info)), .me = THIS_MODULE, }; |