chn/xmurp-ua
1
0
Fork 0
mirror of https://github.com/CHN-beta/xmurp-ua.git synced 2024-10-22 19:38:44 +08:00
Code Issues Packages Projects Releases Wiki Activity

fix build issue for 3.x

Browse Source
This commit is contained in:
chn 2019-11-23 20:19:21 +08:00
parent 02d24776f9
commit 8694314351
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/xmurp-ua.c
View File

@ -141,7 +141,11 @@ inline u_int8_t skb_scan(char *data_start, char *data_end)
// 捕获数据包，检查是否符合条件。如果符合，则送到下一层，并根据下一层返回的结果，如果必要的话，重新计算校验和以及继续捕获下一个分片。
// ip地址、端口号、iph->tot_len需要网络顺序到主机顺序的转换。校验和时，除长度字段外，不需要手动进行网络顺序和主机顺序的转换。
#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,2,0)
unsigned int hook_funcion(void *priv, struct sk_buff *skb, const struct nf_hook_state *state)
#else
unsigned int hook_funcion(const struct nf_hook_ops *ops, struct sk_buff *skb, const struct net_device *in, const struct net_device *out, int (*okfn)(struct sk_buff *))
#endif
{
register struct tcphdr *tcph;
register struct iphdr *iph;
@ -204,7 +208,11 @@ unsigned int hook_funcion(void *priv, struct sk_buff *skb, const struct nf_hook_
return NF_ACCEPT;
// 确保 skb 可以被修改，或者不可以被修改的话把它变得可修改
#if LINUX_VERSION_CODE >= KERNEL_VERSION(3, 19, 0)
if(skb_ensure_writable(skb, (char*)data_end - (char*)skb -> data) || skb == 0 || skb -> data == 0)
#else
if(!skb_make_writable(skb, (char*)data_end - (char*)skb -> data) || skb == 0 || skb -> data == 0)
#endif
{
if(!not_writable)
{