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增加mark匹配警告 完善模块协议等信息

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chn
2019-10-10 23:13:22 +08:00
parent d4940f3c2c
commit 7066eafaa3
2 changed files with 20 additions and 6 deletions
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2
Makefile
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@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
include $(INCLUDE_DIR)/kernel.mk include $(INCLUDE_DIR)/kernel.mk
PKG_NAME:=xmurp-ua PKG_NAME:=xmurp-ua
PKG_RELEASE:=23 PKG_RELEASE:=27
include $(INCLUDE_DIR)/package.mk include $(INCLUDE_DIR)/package.mk

24
src/xmurp-ua.c
View File

@@ -148,6 +148,7 @@ unsigned int hook_funcion(void *priv, struct sk_buff *skb, const struct nf_hook_
static u_int16_t sport, dport; static u_int16_t sport, dport;
static u_int32_t n_ua_modified = 0, n_ua_modify_faild = 0; static u_int32_t n_ua_modified = 0, n_ua_modify_faild = 0;
static u_int8_t mark_matched = 0;
register u_int8_t jump_to_next_function = 0, ret; register u_int8_t jump_to_next_function = 0, ret;
@@ -167,7 +168,16 @@ unsigned int hook_funcion(void *priv, struct sk_buff *skb, const struct nf_hook_
if(data_end - data_start < 4) if(data_end - data_start < 4)
return NF_ACCEPT; return NF_ACCEPT;
if(skb->mark & 0x100) if(skb->mark & 0x100)
{
if(!mark_matched)
{
mark_matched = 1;
printk("xmurp-ua: Mark matched. Note that all packages with the mark will be ACCEPT without modify.\n");
printk("xmurp-ua: If the mark is not set manually, it maybe a conflict there. "
"Find out which app is using the desired bit and let it use others, or modify and recompile me.\n");
}
return NF_ACCEPT; return NF_ACCEPT;
}
// 决定是否发送到下一层 // 决定是否发送到下一层
if(catch_next_frag && iph->saddr == saddr && iph->daddr == daddr && if(catch_next_frag && iph->saddr == saddr && iph->daddr == daddr &&
@@ -209,7 +219,7 @@ unsigned int hook_funcion(void *priv, struct sk_buff *skb, const struct nf_hook_
{ {
n_ua_modified++; n_ua_modified++;
if(n_ua_modified % 0x10000 == 0) if(n_ua_modified % 0x10000 == 0)
printk("xmurp-ua: successfully modified %d packages, faild to modify %d packages.", printk("xmurp-ua: Successfully modified %d packages, faild to modify %d packages.\n",
n_ua_modified, n_ua_modify_faild); n_ua_modified, n_ua_modify_faild);
tcph->check = 0; tcph->check = 0;
iph->check = 0; iph->check = 0;
@@ -234,8 +244,8 @@ static int __init hook_init(void)
#else #else
ret = nf_register_hook(&nfho); ret = nf_register_hook(&nfho);
#endif #endif
printk("xmurp-ua start\n"); printk("xmurp-ua: Started.\n");
printk("nf_register_hook returnd %d\n", ret); printk("xmurp-ua: nf_register_hook returnd %d.\n", ret);
return 0; return 0;
} }
@@ -248,8 +258,12 @@ static void __exit hook_exit(void)
#else #else
nf_unregister_hook(&nfho); nf_unregister_hook(&nfho);
#endif #endif
printk("xmurp-ua stop\n"); printk("xmurp-ua: Stopped.\n");
} }
module_init(hook_init); module_init(hook_init);
module_exit(hook_exit); module_exit(hook_exit);
MODULE_AUTHOR("Haonan Chen");
MODULE_DESCRIPTION("Modify UA in HTTP for anti-detection of router in XMU.");
MODULE_LICENSE("GPL");