const void *data, unsigned int datalen)
{
struct ebt_mark_t_info *info = (struct ebt_mark_t_info *)data;
+ int action = info->target & -16;
- if ((*pskb)->nfmark != info->mark)
- (*pskb)->nfmark = info->mark;
+ if (action == MARK_SET_VALUE)
+ (*pskb)->mark = info->mark;
+ else if (action == MARK_OR_VALUE)
+ (*pskb)->mark |= info->mark;
+ else if (action == MARK_AND_VALUE)
+ (*pskb)->mark &= info->mark;
+ else
+ (*pskb)->mark ^= info->mark;
- return info->target;
+ return info->target | ~EBT_VERDICT_BITS;
}
static int ebt_target_mark_check(const char *tablename, unsigned int hookmask,
const struct ebt_entry *e, void *data, unsigned int datalen)
{
struct ebt_mark_t_info *info = (struct ebt_mark_t_info *)data;
+ int tmp;
if (datalen != EBT_ALIGN(sizeof(struct ebt_mark_t_info)))
return -EINVAL;
- if (BASE_CHAIN && info->target == EBT_RETURN)
+ tmp = info->target | ~EBT_VERDICT_BITS;
+ if (BASE_CHAIN && tmp == EBT_RETURN)
return -EINVAL;
CLEAR_BASE_CHAIN_BIT;
- if (INVALID_TARGET)
+ if (tmp < -NUM_STANDARD_TARGETS || tmp >= 0)
+ return -EINVAL;
+ tmp = info->target & ~EBT_VERDICT_BITS;
+ if (tmp != MARK_SET_VALUE && tmp != MARK_OR_VALUE &&
+ tmp != MARK_AND_VALUE && tmp != MARK_XOR_VALUE)
return -EINVAL;
return 0;
}
.me = THIS_MODULE,
};
-static int __init init(void)
+static int __init ebt_mark_init(void)
{
return ebt_register_target(&mark_target);
}
-static void __exit fini(void)
+static void __exit ebt_mark_fini(void)
{
ebt_unregister_target(&mark_target);
}
-module_init(init);
-module_exit(fini);
+module_init(ebt_mark_init);
+module_exit(ebt_mark_fini);
MODULE_LICENSE("GPL");