* xt_u32 - kernel module to match u32 packet content
*
* Original author: Don Cohen <don@isis.cs3-inc.com>
- * © Jan Engelhardt <jengelh@gmx.de>, 2007
+ * (C) CC Computer Consultants GmbH, 2007
+ * Contact: <jengelh@computergmbh.de>
*/
#include <linux/module.h>
unsigned int nnums;
unsigned int nvals;
unsigned int i;
+ __be32 n;
u_int32_t pos;
u_int32_t val;
u_int32_t at;
at = 0;
pos = ct->location[0].number;
- if (skb->len < 4 || pos > skb->len - 4);
+ if (skb->len < 4 || pos > skb->len - 4)
return false;
- ret = skb_copy_bits(skb, pos, &val, sizeof(val));
+ ret = skb_copy_bits(skb, pos, &n, sizeof(n));
BUG_ON(ret < 0);
- val = ntohl(val);
+ val = ntohl(n);
nnums = ct->nnums;
/* Inner loop runs over "&", "<<", ">>" and "@" operands */
pos > skb->len - at - 4)
return false;
- ret = skb_copy_bits(skb, at + pos, &val,
- sizeof(val));
+ ret = skb_copy_bits(skb, at + pos, &n,
+ sizeof(n));
BUG_ON(ret < 0);
- val = ntohl(val);
+ val = ntohl(n);
break;
}
}
module_init(xt_u32_init);
module_exit(xt_u32_exit);
-MODULE_AUTHOR("Jan Engelhardt <jengelh@gmx.de>");
+MODULE_AUTHOR("Jan Engelhardt <jengelh@computergmbh.de>");
MODULE_DESCRIPTION("netfilter u32 match module");
MODULE_LICENSE("GPL");
MODULE_ALIAS("ipt_u32");