int synproxy_net_id;
EXPORT_SYMBOL_GPL(synproxy_net_id);
-void
+bool
synproxy_parse_options(const struct sk_buff *skb, unsigned int doff,
const struct tcphdr *th, struct synproxy_options *opts)
{
u8 buf[40], *ptr;
ptr = skb_header_pointer(skb, doff + sizeof(*th), length, buf);
- BUG_ON(ptr == NULL);
+ if (ptr == NULL)
+ return false;
opts->options = 0;
while (length > 0) {
switch (opcode) {
case TCPOPT_EOL:
- return;
+ return true;
case TCPOPT_NOP:
length--;
continue;
default:
opsize = *ptr++;
if (opsize < 2)
- return;
+ return true;
if (opsize > length)
- return;
+ return true;
switch (opcode) {
case TCPOPT_MSS:
length -= opsize;
}
}
+ return true;
}
EXPORT_SYMBOL_GPL(synproxy_parse_options);