xfrpc: A C repository from yuiopt

What is xfrpc

xfrpc is frp client implemented by c language for OpenWRT The motivation to start xfrpc project is that we are OpenWRTer, and openwrt usually run in devices which have limit ROM and RAM space, however frpc always need more space and memory; therefore we launched xfrpc project.

Development Status

xfrpc partially compitable with latest frp release feature, It targets to fully compatible with latest frp release.

the following table is detail compatible feature:

Feature	xfrpc	frpc
tcp	Yes	Yes
tcpmux	Yes	Yes
http	Yes	Yes
https	Yes	Yes
custom_domains	Yes	Yes
subdomain	Yes	Yes
use_encryption	No	Yes
use_compression	No	Yes
udp	No	Yes
p2p	No	Yes
xtcp	No	Yes
vistor	No	Yes

Architecture

Sequence Diagram

sequenceDiagram
	title:	xfrpc与frps通信交互时序图
	participant 本地服务
	participant xfrpc
  participant frps
  participant 远程访问用户
  
  xfrpc ->> frps  : TypeLogin Message
  frps ->> xfrpc  : TypeLoginResp Message
  Note right of frps  : 根据Login信息里面的pool值，决定给xfrpc发送几条TypeReqWorkConn请求信息
  frps ->> xfrpc  : frps aes-128-cfb iv[16] data
  frps -->> xfrpc : TypeReqWorkConn Message
	loop 根据Login中的PoolCount创建工作连接数
  	xfrpc -->> frps  : TypeNewWorkConn Message
  	Note left of xfrpc  : 与服务器创建代理服务工作连接，并请求新的工作连接请求
  	Note right of frps  : 处理xfrpc端发送的TypeNewWorkConn消息，注册该工作连接到连接池中
  	frps ->> xfrpc  : TypeStartWorkConn Message
  	Note left of xfrpc  : 将新创建的工作连接与代理的本地服务连接做绑定
	end
  xfrpc ->> frps  : xfrpc aes-128-cfb iv[16] data
  loop 用户配置的代理服务数
  	xfrpc -->> frps : TypeNewProxy Message
  	frps -->> xfrpc : NewProxyResp Message
  end
	
  loop 心跳包检查
    xfrpc -->> frps : TypePing Message
    frps -->> xfrpc : TypePong Message
  end
  
  远程访问用户 ->> frps   : 发起访问
  frps ->> xfrpc	 : TypeStartWorkconn Message
  loop  远程访问用户与本地服务之间的交互过程
    frps ->> xfrpc         : 用户数据
    xfrpc ->> 本地服务      : 用户数据
    本地服务 ->> xfrpc      : 本地服务数据
    xfrpc ->> frps         : 本地服务数据
    frps  ->> 远程访问用户  : 本地服务数据
  end

Quickstart for Ubuntu 20.04.3 LTS

xfrp need libevent openssl-dev and json-c support

Before compile xfrp, please install libevent and json-c in your system.

Install json-c libevent in ubuntu 20.04 LTS

sudo apt-get install -y libjson-c-dev
sudo apt-get install -y libevent-dev

Fork xfrpc on GitHub

git clone https://github.com/${YOUR_GITHUB_ACCOUNT_NAME}/xfrpc.git
cd xfrp
mkdir build
cmake ..
make

Compile on OpenWrt

xfrpc was recruited by openwrt community since version 1.04.515

anyway I highly recommend you to use latest version

in order to compile xfrpc in openwrt sdk environment, you should firstly make menuconfig, then select Network --> Web Servers/Proxies ---> xfrpc

Quick start

before using xfrpc, you should get frps server: frps

frps

frps use latest release 0.42.0

# frps.ini
[common]
bind_port = 7000

run frps

./frps -c frps.ini

xfrpc tcp

#xfrpc_mini.ini 
[common]
server_addr = your_server_ip
server_port = 7000

[ssh]
type = tcp
local_ip = 127.0.0.1
local_port = 22
remote_port = 6128

xfrpc http&https

compare with supporting tcp, supporting http&https need to add vhost_http_port&vhost_https_port in frps.ini as the following

# frps.ini
[common]
bind_port = 7000
vhost_http_port = 80
vhost_https_port = 443

# xfrpc_mini.ini 
[common]
server_addr = x.x.x.x
server_port = 7000

[http]
type = http
local_port = 80
custom_domains = www.example.com

[https]
type = https
local_port = 443
custom_domains = www.example.com

Run in debug mode

xfrpc -c frpc_mini.ini -f -d 7

Run in release mode :

xfrpc -c frpc_mini.ini -d 0

Openwrt luci configure ui

If running xfrpc in openwrt box, luci-app-xfrpc is a good choice

luci-app-xfrpc was recruited by luci project

How to contribute our project

See CONTRIBUTING for details on submitting patches and the contribution workflow.

Contact

QQ群： 331230369

Please support us and star our project

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yuiopt/xfrpc