}
static inline
-int do_match(struct ipt_entry_match *m,
- const struct sk_buff *skb,
- const struct net_device *in,
- const struct net_device *out,
- int offset,
- bool *hotdrop)
+bool do_match(struct ipt_entry_match *m,
+ const struct sk_buff *skb,
+ const struct net_device *in,
+ const struct net_device *out,
+ int offset,
+ bool *hotdrop)
{
/* Stop iteration if it doesn't match */
if (!m->u.kernel.match->match(skb, in, out, m->u.kernel.match, m->data,
offset, ip_hdrlen(skb), hotdrop))
- return 1;
+ return true;
else
- return 0;
+ return false;
}
static inline struct ipt_entry *
}
/* Returns 1 if the type and code is matched by the range, 0 otherwise */
-static inline int
+static inline bool
icmp_type_code_match(u_int8_t test_type, u_int8_t min_code, u_int8_t max_code,
u_int8_t type, u_int8_t code,
- int invert)
+ bool invert)
{
return ((test_type == 0xFF) || (type == test_type && code >= min_code && code <= max_code))
^ invert;
}
-static int
+static bool
icmp_match(const struct sk_buff *skb,
const struct net_device *in,
const struct net_device *out,
/* Must not be a fragment. */
if (offset)
- return 0;
+ return false;
ic = skb_header_pointer(skb, protoff, sizeof(_icmph), &_icmph);
if (ic == NULL) {
*/
duprintf("Dropping evil ICMP tinygram.\n");
*hotdrop = true;
- return 0;
+ return false;
}
return icmp_type_code_match(icmpinfo->type,