diff --git a/Chaos_Calmer.Makefile b/Chaos_Calmer.Makefile
deleted file mode 100644
index 0eb7475..0000000
--- a/Chaos_Calmer.Makefile
+++ /dev/null
@@ -1,46 +0,0 @@
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=xmurp-ua
-PKG_RELEASE:=33
-
-include $(INCLUDE_DIR)/package.mk
-
-define KernelPackage/xmurp-ua
- SUBMENU:=Other modules
- TITLE:=XMURP UA
- FILES:=$(PKG_BUILD_DIR)/xmurp-ua.ko
- AUTOLOAD:=$(call AutoLoad,99,xmurp-ua,1)
-endef
-
-define KernelPackage/xmurp-ua/description
- Modify UA in HTTP for anti-detection of router in XMU.
-endef
-
-EXTRA_KCONFIG:= \
- CONFIG_XMURP_UA=m
-
-EXTRA_CFLAGS:= \
- $(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
- $(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
- -DVERSION=$(PKG_RELEASE)
-
-MAKE_OPTS:= \
- ARCH="$(LINUX_KARCH)" \
- CROSS_COMPILE="$(TARGET_CROSS)" \
- SUBDIRS="$(PKG_BUILD_DIR)" \
- EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
- $(EXTRA_KCONFIG)
-
-define Build/Prepare
- mkdir -p $(PKG_BUILD_DIR)
- $(CP) ./src/* $(PKG_BUILD_DIR)/
-endef
-
-define Build/Compile
- $(MAKE) -C "$(LINUX_DIR)" \
- $(MAKE_OPTS) \
- modules
-endef
-
-$(eval $(call KernelPackage,xmurp-ua))
diff --git a/LICENSE b/LICENSE
deleted file mode 100644
index f288702..0000000
--- a/LICENSE
+++ /dev/null
@@ -1,674 +0,0 @@
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- If the Program specifies that a proxy can decide which future
-versions of the GNU General Public License can be used, that proxy's
-public statement of acceptance of a version permanently authorizes you
-to choose that version for the Program.
-
- Later license versions may give you additional or different
-permissions. However, no additional obligations are imposed on any
-author or copyright holder as a result of your choosing to follow a
-later version.
-
- 15. Disclaimer of Warranty.
-
- THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
-APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
-HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
-OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
-THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
-IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
-ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
-
- 16. Limitation of Liability.
-
- IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
-WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
-THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
-GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
-USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
-DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
-PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
-EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
-SUCH DAMAGES.
-
- 17. Interpretation of Sections 15 and 16.
-
- If the disclaimer of warranty and limitation of liability provided
-above cannot be given local legal effect according to their terms,
-reviewing courts shall apply local law that most closely approximates
-an absolute waiver of all civil liability in connection with the
-Program, unless a warranty or assumption of liability accompanies a
-copy of the Program in return for a fee.
-
- END OF TERMS AND CONDITIONS
-
- How to Apply These Terms to Your New Programs
-
- If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
- To do so, attach the following notices to the program. It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-
- Copyright (C)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see .
-
-Also add information on how to contact you by electronic and paper mail.
-
- If the program does terminal interaction, make it output a short
-notice like this when it starts in an interactive mode:
-
- Copyright (C)
- This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
- This is free software, and you are welcome to redistribute it
- under certain conditions; type `show c' for details.
-
-The hypothetical commands `show w' and `show c' should show the appropriate
-parts of the General Public License. Of course, your program's commands
-might be different; for a GUI interface, you would use an "about box".
-
- You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU GPL, see
-.
-
- The GNU General Public License does not permit incorporating your program
-into proprietary programs. If your program is a subroutine library, you
-may consider it more useful to permit linking proprietary applications with
-the library. If this is what you want to do, use the GNU Lesser General
-Public License instead of this License. But first, please read
-.
diff --git a/Makefile b/Makefile
deleted file mode 100644
index 175badf..0000000
--- a/Makefile
+++ /dev/null
@@ -1,34 +0,0 @@
-include $(TOPDIR)/rules.mk
-include $(INCLUDE_DIR)/kernel.mk
-
-PKG_NAME:=xmurp-ua
-PKG_RELEASE:=34
-
-include $(INCLUDE_DIR)/package.mk
-
-define KernelPackage/xmurp-ua
- SUBMENU:=Other modules
- TITLE:=xmurp-ua
- FILES:=$(PKG_BUILD_DIR)/xmurp-ua.ko
- AUTOLOAD:=$(call AutoLoad,99,xmurp-ua)
- KCONFIG:=
-endef
-
-EXTRA_KCONFIG:= \
- CONFIG_XMURP_UA=m
-
-EXTRA_CFLAGS:= \
- $(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=m,%,$(filter %=m,$(EXTRA_KCONFIG)))) \
- $(patsubst CONFIG_%, -DCONFIG_%=1, $(patsubst %=y,%,$(filter %=y,$(EXTRA_KCONFIG)))) \
- -DVERSION=$(PKG_RELEASE)
-
-MAKE_OPTS:=$(KERNEL_MAKE_FLAGS) \
- M="$(PKG_BUILD_DIR)" \
- EXTRA_CFLAGS="$(EXTRA_CFLAGS)" \
- $(EXTRA_KCONFIG)
-
-define Build/Compile
- $(MAKE) -C "$(LINUX_DIR)" $(MAKE_OPTS) modules
-endef
-
-$(eval $(call KernelPackage,xmurp-ua))
\ No newline at end of file
diff --git a/README.md b/README.md
deleted file mode 100644
index f36cbd3..0000000
--- a/README.md
+++ /dev/null
@@ -1,38 +0,0 @@
-**不允许商业使用。** 希望某些“路由器团队”赚钱的时候摸一下自己的良心。
-
-有新的测试版本可用（在 dev 分支）。这个版本将不会正式发布，而是作为新的工具的一部分发布，敬请期待。
-
-另外，希望 dnsdizhi.com 的站长看到这里后把复制粘贴我的那篇文章删掉，谢谢。如果有人知道如何可以联系到站长也可以告诉我。那篇文章的地址在[这里](https://www.dnsdizhi.com/tag/xmurp-ua)。那篇是完全复制粘贴的我的文章（的一个历史版本），但却是百度结果的第一篇文章（似乎也是唯一一篇）。我的文章在[这里](https://catalog.chn.moe/%E6%95%99%E7%A8%8B/OpenWrt/%E5%9C%A8%E5%8E%A6%E5%A4%A7%E5%AE%BF%E8%88%8D%E5%AE%89%E8%A3%85%E8%B7%AF%E7%94%B1%E5%99%A8)。
-
-点击[此处](https://catalog.chn.moe/%E8%87%AA%E6%88%91%E4%BB%8B%E7%BB%8D/%E6%8A%95%E5%96%82%E5%9C%B0%E5%9D%80/)捐赠，欢迎投喂～
-
----
-
-喵喵喵，这里是一个修改 UA 的小模块。细致地讲，就是用在 OpenWrt 上修改发给外网 80 端口 GET 和 POST 请求的 UA 字段为 `XMURP/1.0` 再加很多个空格的内核模块，用来防止学校检测到使用代理（接路由器）。当然，你改一下 `Makefile`，用到其它 Linux 系统上也是可以的。如果你不了解 OpenWrt 的食用方法或者还是不明白这个插件是用来干什么的的话，可以看[这里](https://catalog.chn.moe/教程/OpenWrt/在厦大宿舍安装路由器)。如果你不知道怎么编译，可以把 SDK 发给我我给你编译。如果要自己编译，看[这里](compile.md)。如果你使用官方稳定版，我把编译好的丢到[这里](https://github.com/CHN-beta/rkp-build)了，自取。
-
-到现在为止，在 `4.x` 和 `3.x` 的内核上好像用得都没问题。
-
-27 及以前的版本会导致路由器随机卡死，注意更新到最新版本。
-
-这个模块因为设计上的缺陷，不能修改到所有的 UA，只能修改绝大多数的，对于厦门大学的情况，够用了。dev 分支已经解决了这个问题，完美。
-
-如果有一些包不希望被改 UA，只要在防火墙规则里将 MARK 的第九位设置为 1 就可以了。例如：
-
-```
-iptables -t mangle -A PREROUTING -p tcp -m tcp --dport 80 -m mac --mac-source f8:94:c2:85:e8:14 -j MARK --set-xmark 0x100/0x100
-```
-
-在之前的版本中，使用的是 `0x1/0x1` 位，但是与 luci-app-shadowsocks 冲突，所以改到了 `0x100/0x100`。
-
-另外，不要在 luci 中启用 flow offloading（流量分载，即 nat 加速），否则这个模块会失效。可以通过下面的命令（二选一，不需要两句都写）来对不需要这个模块的流量启用。
-
-```
-iptables -t filter -I FORWARD -p tcp ! --dport 80 ! --sport 80 -m conntrack --ctstate RELATED,ESTABLISHED -j FLOWOFFLOAD --hw
-iptables -t filter -I FORWARD -p tcp ! --dport 80 ! --sport 80 -m conntrack --ctstate RELATED,ESTABLISHED -j FLOWOFFLOAD
-```
-
-两句的区别的话，大概是前者用硬件，后者用软件。具体的东西我也不熟悉。
-
----
-
-有人问我为啥不能编译个二进制文件放出来，因为这是内核模块啊，和大多的 OpenWrt 模块是不一样的，要和内核版本（精确到 commit id）严格对应。至于为啥要写到内核里，是历史原因：最开始我想修改 ipid，这当然在内核里更方便；后来又想改 ua，就继续写在内核里了。最开始的功能还很简单，后来代码一点点变复杂了，我也后悔开始时写到内核里了。
\ No newline at end of file
diff --git a/compile.md b/compile.md
deleted file mode 100644
index 25b8301..0000000
--- a/compile.md
+++ /dev/null
@@ -1,122 +0,0 @@
-以下，我假定你至少稍有一点命令行基础，搞不清当前目录或者 `cp`、`rm` 都不会用的话，自己找资料。
-
-同时，以下内容中的代码仅仅是示例，目的是让你明白怎么回事，而不是复制粘贴就可以。
-
-#### 一般的编译方法
-
-对于 18.06 以上的 SDK，照这个方法就行了。
-
-* 在电脑上安装一个 64 位的 Linux 系统。安装成虚拟机或双系统都可以。嫌麻烦的话，推荐使用 Win10 的 Ubuntu 子系统（WSL）。如果想要顺便体验实体机，强烈推荐 deepin。我使用的是 kubuntu 19.10。
-
-* 安装编译依赖项。
-
- ```bash
- sudo apt-get update && sudo apt-get install git-core build-essential libssl-dev libncurses5-dev unzip gawk subversion mercurial ccache tar ssh
- ```
-
- 记得开代理，或者换源。
-
-* 准备 SDK。
-
- 必须使用与镜像完全对应的 SDK，而不能只是架构相同或者内核版本前三位相同。
-
- 官方 OpenWrt 的 SDK 和固件放在同一个目录下。比如，WNDR4300 的固件下载地址为：
-
- ```
- http://downloads.openwrt.org/releases/18.06.1/targets/ar71xx/nand/openwrt-18.06.1-ar71xx-nand-wndr4300-ubi-factory.img
- ```
-
- 打开网站：
-
- ```
- http://downloads.openwrt.org/releases/18.06.1/targets/ar71xx/nand/
- ```
-
- 就可以找到对应 SDK 的下载地址。
-
- 下载好 SDK 后，放到用户目录下，解压 SDK 并进入。
-
- ```bash
- cd ~ && tar xvf openwrt-sdk*.tar.xz && cd openwrt-sdk*
- ```
-
- （如果使用 WSL，可以将 SDK 放到 C 盘根目录，然后使用命令 `cd ~ && cp /mnt/c/*.tar.xz .` 将它复制到 WSL 中。）
-
-* 下载 `xmurp-ua` 的源代码，并编译。
-
- ```bash
- git clone https://github.com/CHN-beta/xmurp-ua.git package/xmurp-ua
- make defconfig
- make package/xmurp-ua/compile V=sc
- ```
-
- 编译好的包在 `bin` 中。
-
-#### 增加编译参数
-
-对于 18.06 以前的 SDK，编译的时候需要手动指定一些参数。参考[这篇文章](https://blog.csdn.net/wr132/article/details/78946200)。按照我的经验，一般来说，指定 `ARCH` 和 `CROSS-COMPILE` 就足够了。例如：
-
-```bash
-make package/xmurp-ua/compile V=sc ARCH=mips CROSS_COMPILE=/home/chn/Desktop/lede-sdk-17.01.5-ar71xx-generic_gcc-5.4.0_musl-1.1.16.Linux-x86_64/staging_dir/toolchain-mips_24kc_gcc-5.4.0_musl-1.1.16/bin/mips-openwrt-linux-musl-
-```
-
-#### 使用旧版 Makefile
-
-对于 Openwrt 15.05（Chaos Calmer），Makefile 的格式与最新版本不同。使用 `Chaos_Calmer.Makefile` 代替 `Makefile` 再编译。
-
-```bash
-cp package/xmurp-ua/Chaos_Calmer.Makefile package/xmurp-ua/Makefile
-```
-
-#### 失效的 host 命令
-
-我还遇到过这样的情况：
-
-```
-.find.bin: loadlocale.c:129: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' failed.
-.xargs.bin: loadlocale.c:129: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' failed.
-Aborted (core dumped)
-Aborted (core dumped)
- MODPOST 0 modules
-.find.bin: loadlocale.c:129: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' failed.
-.xargs.bin: loadlocale.c:129: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' failed.
-.sed.bin: loadlocale.c:129: _nl_intern_locale_data: Assertion `cnt < (sizeof (_nl_value_type_LC_TIME) / sizeof (_nl_value_type_LC_TIME[0]))' failed.
-Aborted (core dumped)
-Aborted (core dumped)
-Aborted (core dumped)
-```
-
-解决办法就是，用自己电脑上的来替换 SDK 里给的那些命令，然后重新编译。
-
-```bash
-rm -r staging_dir/host/bin
-ln -s /usr/bin staging_dir/host/
-rm -r build_dir/target-mips_24kc_musl-1.1.16/linux-ar71xx_generic/xmurp-ua
-make package/xmurp-ua/compile V=sc ARCH=mips CROSS_COMPILE=/home/chn/Desktop/lede-sdk-17.01.5-ar71xx-generic_gcc-5.4.0_musl-1.1.16.Linux-x86_64/staging_dirtoolchain-mips_24kc_gcc-5.4.0_musl-1.1.16/bin/mips-openwrt-linux-musl-
-```
-
-#### ARCH 混乱
-
-在给某个潘多拉编译的时候，发现在一些地方 `ARCH` 为 `mips` 而另一些地方为 `mipsel`。记得之前给某个版本的 LEDE 编译时也出现过类似的错误。用软链接解决。
-
-```bash
-cd build_dir
-ln -s target-mipsel_1004kc+dsp_uClibc-1.0.x target-mips_1004kc+dsp_uClibc-1.0.x
-cd ..
-make package/xmurp-ua/compile V=sc ARCH=mips CROSS_COMPILE=/home/chn/Desktop/PandoraBox-SDK-ralink-mt7621_gcc-5.5.0_uClibc-1.0.x.Linux-x86_64-2019-02-01-git-0231ad4b5/staging_dir/toolchain-mipsel_1004kc+dsp_gcc-5.5.0_uClibc-1.0.x/bin/mipsel-openwrt-linux-
-```
-
-#### objtool 缺失
-
-今天在 deepin 上编译时，遇到了下面的问题：
-
-```
-make[4]: *** No rule to make target 'tools/objtool/objtool', needed by '/home/chn/repo/xmurp-ua/debug/openwrt-sdk-18.06.5-x86-64_gcc-7.3.0_musl.Linux-x86_64/build_dir/target-x86_64_musl/linux-x86_64/xmurp-ua/xmurp-ua.o'. Stop.
-```
-
-解决办法是，把系统的 objtool 复制过来，然后再编译。
-
-```bash
-mkdir ./build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.151/tools/objtool
-cp /usr/src/linux-headers-4.15.0-30deepin-generic/tools/objtool/objtool ./build_dir/target-x86_64_musl/linux-x86_64/linux-4.14.151/tools/objtool/
-```
\ No newline at end of file
diff --git a/src/Kconfig b/src/Kconfig
deleted file mode 100644
index f0fc458..0000000
--- a/src/Kconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-config XMURP_UA
- tristate "xmurp-ua"
\ No newline at end of file
diff --git a/src/Makefile b/src/Makefile
deleted file mode 100644
index 8f4ff90..0000000
--- a/src/Makefile
+++ /dev/null
@@ -1 +0,0 @@
-obj-${CONFIG_XMURP_UA} += xmurp-ua.o
\ No newline at end of file
diff --git a/src/xmurp-ua.c b/src/xmurp-ua.c
deleted file mode 100644
index da41cd7..0000000
--- a/src/xmurp-ua.c
+++ /dev/null
@@ -1,337 +0,0 @@
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-#include
-
-MODULE_AUTHOR("Haonan Chen");
-MODULE_DESCRIPTION("Modify UA in HTTP for anti-detection of router in XMU.");
-MODULE_LICENSE("GPL");
-
-static struct nf_hook_ops nfho;
-
-enum char_scan_enum
-{
- next,
- modified_and_next,
- scan_finish,
- reset,
-};
-
-enum skb_scan_ret
-{
- need_next_frag = 1,
- ua_modified = 2,
-};
-
-// 根据得到的指针尝试扫描，发现结尾或发现UA或更改UA后返回对应结果。
-// 输入零指针则为重置状态。
-inline u_int8_t char_scan(char *data)
-{
- const char str_ua_head[] = "User-Agent: ", str_ua[] = "XMURP/1.0", str_end[] = "\r\n\r\n";
- // 不算'\0'，长度分别为12、9、4
- static enum
- {
- nothing_matching,
- ua_head_matching,
- ua_modifying,
- end_matching,
- } status = nothing_matching;
- static u_int8_t covered_length;
-
- if(data == 0)
- {
- status = nothing_matching;
- covered_length = 0;
- return reset;
- }
-
- while(true)
- {
- if(status == nothing_matching)
- {
- if(*data == str_ua_head[0])
- {
- status = ua_head_matching;
- covered_length = 1;
- return next;
- }
- else if(*data == str_end[0])
- {
- status = end_matching;
- covered_length = 1;
- return next;
- }
- else
- return next;
- }
- else if(status == ua_head_matching)
- {
- if(*data == str_ua_head[covered_length])
- {
- covered_length++;
- if(covered_length == 12)
- {
- status = ua_modifying;
- covered_length = 0;
- return next;
- }
- else
- return next;
- }
- else
- status = nothing_matching;
- }
- else if(status == ua_modifying)
- {
- if(*data == '\r')
- {
- status = nothing_matching;
- return scan_finish;
- }
- else
- {
- if(covered_length < 9)
- *data = str_ua[covered_length];
- else
- *data = ' ';
- covered_length++;
- return modified_and_next;
- }
- }
- else if(status == end_matching)
- {
- if(*data == str_end[covered_length])
- {
- covered_length++;
- if(covered_length == 4)
- {
- status = nothing_matching;
- return scan_finish;
- }
- else
- return next;
- }
- else
- status = nothing_matching;
- }
- }
-}
-
-// 将数据逐字节发送给下一层，根据下一层的结果（扫描到结尾、扫描到UA、已更改UA），确定是否扫描完毕，以及是否发生了改动，返回到上一层。
-inline u_int8_t skb_scan(char *data_start, char *data_end)
-{
- register char *i;
- register u_int8_t ret, modified = 0;
- for(i = data_start; i < data_end; i++)
- {
- ret = char_scan(i);
- if(ret == scan_finish)
- return modified;
- else if(ret == modified_and_next)
- modified = ua_modified;
- }
- return modified + need_next_frag;
-}
-
-// 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;
- register char *data_start, *data_end;
-
- static u_int8_t catch_next_frag = 0;
- static u_int32_t saddr, daddr, seq;
- static u_int16_t sport, dport;
-
- static u_int32_t n_ua_modified = 0, n_ua_modify_faild = 0, n_not_modifible = 0, n_mark_matched = 0;
- static u_int32_t n_ua_modified_lastprint = 1;
- static u_int8_t mark_matched = 0, not_writable = 0;
-
- register u_int8_t jump_to_next_function = 0, ret;
-
- // 过滤发往外网的HTTP请求的包，且要求包的应用层内容不短于3字节
- if(skb == 0)
- return NF_ACCEPT;
- iph = ip_hdr(skb);
- if((ntohl(iph->daddr) & 0xffff0000) == 0xc0a80000)
- return NF_ACCEPT;
- if(iph->protocol != IPPROTO_TCP)
- return NF_ACCEPT;
- tcph = tcp_hdr(skb);
- if(ntohs(tcph->dest) != 80)
- return NF_ACCEPT;
- data_start = (char *)tcph + tcph->doff * 4;
- data_end = (char *)tcph + ntohs(iph->tot_len) - iph->ihl * 4;
- if(data_end - data_start < 4)
- return NF_ACCEPT;
- 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 modification.\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");
- }
- n_mark_matched++;
- return NF_ACCEPT;
- }
-
- // 决定是否发送到下一层
- if(catch_next_frag && iph->saddr == saddr && iph->daddr == daddr &&
- tcph->seq == seq && tcph->source == sport && tcph->dest == dport)
- jump_to_next_function = 1;
- else if(data_end - data_start > 3)
- if(memcmp(data_start, "GET", 3) == 0 || memcmp(data_start, "POST", 4) == 0)
- {
- if(catch_next_frag)
- {
- n_ua_modify_faild++;
- char_scan(0);
- catch_next_frag = 0;
- }
- jump_to_next_function = 1;
- }
- if(!jump_to_next_function)
- 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)
- {
- not_writable = 1;
- printk("xmurp-ua: There is a package not wirtable. Please make sure the router has enough memory.\n");
- }
- n_not_modifible++;
- n_ua_modify_faild++;
- catch_next_frag = 0;
- return NF_ACCEPT;
- }
- else
- {
- iph = ip_hdr(skb);
- tcph = tcp_hdr(skb);
- data_start = (char *)tcph + tcph->doff * 4;
- data_end = (char *)tcph + ntohs(iph->tot_len) - iph->ihl * 4;
- }
-
- // 发送到下一层，并回收数据
- ret = skb_scan(data_start, data_end);
-
- // 处理返回值
- if(ret & need_next_frag)
- {
- if(!catch_next_frag)
- {
- catch_next_frag = 1;
- saddr = iph->saddr;
- daddr = iph->daddr;
- sport = tcph->source;
- dport = tcph->dest;
- }
- seq = tcph->seq + (data_end - data_start);
- }
- else
- catch_next_frag = 0;
- if(ret & ua_modified)
- {
- n_ua_modified++;
- if(n_ua_modified == n_ua_modified_lastprint * 2)
- {
- printk("xmurp-ua: Successfully modified %u packages, faild to modify %u packages, %u packages matched mark, %u packages not modifiable.\n",
- n_ua_modified, n_ua_modify_faild, n_mark_matched, n_not_modifible);
- n_ua_modified_lastprint *= 2;
- }
- tcph->check = 0;
- iph->check = 0;
- skb->csum = skb_checksum(skb, iph->ihl * 4, ntohs(iph->tot_len) - iph->ihl * 4, 0);
- iph->check = ip_fast_csum(iph, iph->ihl);
- tcph->check = csum_tcpudp_magic(iph->saddr, iph->daddr, ntohs(iph->tot_len) - iph->ihl * 4, IPPROTO_TCP, skb->csum);
- }
-
- return NF_ACCEPT;
-}
-
-static int __init hook_init(void)
-{
- int ret;
-
- nfho.hook = hook_funcion;
- nfho.pf = NFPROTO_IPV4;
- nfho.hooknum = NF_INET_POST_ROUTING;
- nfho.priority = NF_IP_PRI_FILTER;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
- ret = nf_register_net_hook(&init_net, &nfho);
-#else
- ret = nf_register_hook(&nfho);
-#endif
- printk("xmurp-ua: Started, version %d.\n", VERSION);
- printk("xmurp-ua: nf_register_hook returnd %d.\n", ret);
-
- printk("\n");
- printk("|-------------------------------------------------------------------------|\n");
- printk("| |\n");
- printk("| 关于反对黑心商家的申明： |\n");
- printk("| |\n");
- printk("| XMURP-UA 由我一人（厦门大学陈浩南）编写并维护，开源免费地提供给所 |\n");
- printk("| 有人使；相关教程也是我们写好并免费公开在网上的。我从来没有允许、并且 |\n");
- printk("| **明确禁止**用于商业用途。但现实是，有人将我现成的结果安装到路由器中 |\n");
- printk("| 拿去售卖，并且价格不菲。 |\n");
- printk("| |\n");
- printk("| 如果您看到了这条消息，希望您能够从身边小事做起，拒绝黑心商家。如 |\n");
- printk("| 果您本人已经购买了这样的路由器，希望您能够退货、追回自己的损失；如果 |\n");
- printk("| 您身边有人推销或有意愿购买这样的路由器，请将真相告诉他们。 |\n");
- printk("| |\n");
- printk("| 1. 商家会把廉价的路由器用高昂的售价出售。事实上，只要二三十块就可 |\n");
- printk("| 以在闲鱼买到基本够宿舍用的、可以破解校园网的路由器（极路由 1s）。 |\n");
- printk("| |\n");
- printk("| 2. 商家不管售后，也无力售后。事实上，卖你路由器的人大多也是小白， |\n");
- printk("| 无非看过我们写的教程；出了问题他们就推脱，是校园网的问题，是路由器坏 |\n");
- printk("| 了，殊不知一句命令就可以解决。 |\n");
- printk("| |\n");
- printk("| 3. 商家不尊重我们，大规模商业使用我们的技术获利，甚至把我们的群当 |\n");
- printk("| 免费的售后，自己只顾收钱。 |\n");
- printk("| |\n");
- printk("| 我今天十分气愤，因此写了这些内容。希望更多的人可以看见。 |\n");
- printk("| |\n");
- printk("|-------------------------------------------------------------------------|\n");
- printk("| |\n");
- printk("| 在使用的过程中，如果需要帮助，可以加入我们的 QQ 群：748317786。付 |\n");
- printk("| 费购买路由器者，恕不提供任何帮助。 |\n");
- printk("| |\n");
- printk("|-------------------------------------------------------------------------|\n");
- printk("\n");
-
- return 0;
-}
-
-//卸载模块
-static void __exit hook_exit(void)
-{
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(4,13,0)
- nf_unregister_net_hook(&init_net, &nfho);
-#else
- nf_unregister_hook(&nfho);
-#endif
- printk("xmurp-ua: Stopped.\n");
-}
-
-module_init(hook_init);
-module_exit(hook_exit);
diff --git a/srun3.md b/srun3.md
deleted file mode 100644
index f88634c..0000000
--- a/srun3.md
+++ /dev/null
@@ -1,15 +0,0 @@
-**如果你不是从我的博客来的，那么这个文件对你没有用。**
-
-* 修改拨号脚本。WinSCP 连接到路由器后，打开文件 `/lib/netifd/proto/ppp.sh`，这个文件就是拨号的脚本了。搜索 `username` 关键字，可以找到这样一句：
-
- ```bash
- ${username:+user "$username" password "$password"} \
- ```
-
-* 把它修改成：
-
- ```bash
- ${username:+user "$(echo -e $username)" password "$password"} \
- ```
-
- 保存，关闭 WinSCP。
\ No newline at end of file
diff --git a/新建文件夹/.gitkeep b/新建文件夹/.gitkeep
new file mode 100644
index 0000000..e69de29