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Vitaliy Snurnitsin 2020-05-15 02:13:33 +03:00
parent 0b2512fc15
commit 9f4c4e2c5c
21 changed files with 9715 additions and 0 deletions

2
.gitignore vendored Normal file
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easyrsa
openvpn-web-ui

3
build.sh Executable file
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#!/bin/bash
go build .

26
client.conf.tpl Normal file
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remote {{ .Host }} {{ .Port }} tcp
verb 4
client
nobind
dev tun
cipher AES-128-CBC
key-direction 1
#redirect-gateway def1
tls-client
remote-cert-tls server
# for update resolv.conf on ubuntu
#script-security 2 system
#up /etc/openvpn/update-resolv-conf
#down /etc/openvpn/update-resolv-conf
<cert>
{{ .Cert -}}
</cert>
<key>
{{ .Key -}}
</key>
<ca>
{{ .CA -}}
</ca>
<tls-auth>
{{ .TLS -}}
</tls-auth>

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frontend/.babelrc Normal file
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{
"presets": [
["env", { "modules": false }],
"stage-3"
]
}

9
frontend/.editorconfig Normal file
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root = true
[*]
charset = utf-8
indent_style = space
indent_size = 2
end_of_line = lf
insert_final_newline = true
trim_trailing_whitespace = true

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.DS_Store
node_modules/
static/dist/
npm-debug.log
yarn-error.log
# Editor directories and files
.idea
*.suo
*.ntvs*
*.njsproj
*.sln

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#!/bin/bash
image="node:14.2-alpine3.11"
uid="$(id -u $USER)"
docker run -u $uid -w /app -v $(pwd):/app $image npm i && \
docker run -u $uid -w /app -v $(pwd):/app $image npm run build

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{
"name": "openvpn-easyrsa-web-ui",
"description": "A Vue.js project",
"version": "1.0.0",
"author": "vitaliy.snurnitsin@gmail.com",
"license": "MIT",
"private": true,
"scripts": {
"dev": "cross-env NODE_ENV=development webpack-dev-server --hot",
"build": "cross-env NODE_ENV=production webpack --progress --hide-modules"
},
"dependencies": {
"axios": "^0.18.0",
"vue": "^2.5.17",
"vue-clipboard2": "^0.2.1"
},
"browserslist": [
"> 1%",
"last 2 versions",
"not ie <= 8"
],
"devDependencies": {
"babel-core": "^6.26.3",
"babel-loader": "^7.1.5",
"babel-preset-env": "^1.7.0",
"babel-preset-stage-3": "^6.24.1",
"cross-env": "^5.2.0",
"css-loader": "^0.28.7",
"file-loader": "^1.1.4",
"node-sass": "^4.9.3",
"sass-loader": "^6.0.6",
"vue-loader": "^13.7.3",
"vue-template-compiler": "^2.5.17",
"webpack": "^3.12.0",
"webpack-dev-server": "^2.11.3"
}
}

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import Vue from 'vue';
import axios from 'axios';
import VueClipboard from 'vue-clipboard2'
Vue.use(VueClipboard)
var axios_cfg = function(url, data='', type='form') {
if (data == '') {
return {
method: 'get',
url: url
};
} else if (type == 'form') {
return {
method: 'post',
url: url,
data: data,
headers: { 'Content-Type': 'application/x-www-form-urlencoded' }
};
} else if (type == 'file') {
return {
method: 'post',
url: url,
data: data,
headers: { 'Content-Type': 'multipart/form-data' }
};
}
};
new Vue({
el: '#app',
data: {
u: {
ctxTop: '0',
ctxLeft: '0',
ctxVisible: false,
ctxMenuItems: { 'u-revoke': 'Revoke', 'u-unrevoke': 'Unrevoke', 'u-show-config': 'Show config'},
columns: [],
data: {},
name: '',
newUserName: '',
modalNewUserVisible: false,
modalShowConfigVisible: false,
openvpnConfig: ''
}
},
watch: {
u: function () {
this.u.columns = Object.keys(this.u.data[0]) //.reverse()
}
},
mounted: function () {
this.u_get_data()
},
created() {
var _this = this
this.$root.$on('u-revoke', function (msg) {
var data = new URLSearchParams();
data.append('username', _this.u.name);
axios.request(axios_cfg('api/user/revoke', data, 'form'))
.then(function(response) {
console.log(response.data);
_this.u_get_data();
});
})
this.$root.$on('u-unrevoke', function () {
var data = new URLSearchParams();
data.append('username', _this.u.name);
axios.request(axios_cfg('api/user/unrevoke', data, 'form'))
.then(function(response) {
console.log(response.data);
_this.u_get_data();
});
})
this.$root.$on('u-show-config', function () {
this.u.modalShowConfigVisible = true;
var data = new URLSearchParams();
data.append('username', _this.u.name);
axios.request(axios_cfg('api/user/showconfig', data, 'form'))
.then(function(response) {
_this.u.openvpnConfig = response.data;
});
})
},
computed: {
uCtxStyle: function () {
return {
'top': this.u.ctxTop + 'px',
'left': this.u.ctxLeft + 'px'
}
}
},
methods: {
copyTextArea: function (e) {
e.clipboardData.setData("text/plain", this.u.openvpnConfig);
},
u_ctx_click: function (e) {
this.$root.$emit(e.target.dataset.name)
this.u_ctx_hide()
},
u_ctx_hide: function () {
this.u.ctxVisible = false
},
u_ctx_show: function (e) {
this.u.name = e.target.parentElement.dataset.name
this.u.ctxTop = e.pageY
this.u.ctxLeft = e.pageX
this.u.ctxVisible = true
},
u_get_data: function() {
var _this = this;
axios.request(axios_cfg('api/users/list'))
.then(function(response) {
_this.u.data = response.data
});
},
create_user: function() {
var _this = this;
var data = new URLSearchParams();
data.append('username', this.u.newUserName);
axios.request(axios_cfg('api/user/create', data, 'form'))
.then(function(response) {
console.log(response.data);
_this.u_get_data();
_this.u.newUserName = '';
});
}
}
})

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/*! normalize.css v5.0.0 | MIT License | github.com/necolas/normalize.css */
/**
* 1. Change the default font family in all browsers (opinionated).
* 2. Correct the line height in all browsers.
* 3. Prevent adjustments of font size after orientation changes in
* IE on Windows Phone and in iOS.
*/
/* Document
========================================================================== */
html {
font-family: sans-serif; /* 1 */
line-height: 1.15; /* 2 */
-ms-text-size-adjust: 100%; /* 3 */
-webkit-text-size-adjust: 100%; /* 3 */
}
/* Sections
========================================================================== */
/**
* Remove the margin in all browsers (opinionated).
*/
body {
margin: 0;
}
/**
* Add the correct display in IE 9-.
*/
article,
aside,
footer,
header,
nav,
section {
display: block;
}
/**
* Correct the font size and margin on `h1` elements within `section` and
* `article` contexts in Chrome, Firefox, and Safari.
*/
h1 {
font-size: 2em;
margin: 0.67em 0;
}
/* Grouping content
========================================================================== */
/**
* Add the correct display in IE 9-.
* 1. Add the correct display in IE.
*/
figcaption,
figure,
main { /* 1 */
display: block;
}
/**
* Add the correct margin in IE 8.
*/
figure {
margin: 1em 40px;
}
/**
* 1. Add the correct box sizing in Firefox.
* 2. Show the overflow in Edge and IE.
*/
hr {
box-sizing: content-box; /* 1 */
height: 0; /* 1 */
overflow: visible; /* 2 */
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
pre {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/* Text-level semantics
========================================================================== */
/**
* 1. Remove the gray background on active links in IE 10.
* 2. Remove gaps in links underline in iOS 8+ and Safari 8+.
*/
a {
background-color: transparent; /* 1 */
-webkit-text-decoration-skip: objects; /* 2 */
}
/**
* Remove the outline on focused links when they are also active or hovered
* in all browsers (opinionated).
*/
a:active,
a:hover {
outline-width: 0;
}
/**
* 1. Remove the bottom border in Firefox 39-.
* 2. Add the correct text decoration in Chrome, Edge, IE, Opera, and Safari.
*/
abbr[title] {
border-bottom: none; /* 1 */
text-decoration: underline; /* 2 */
text-decoration: underline dotted; /* 2 */
}
/**
* Prevent the duplicate application of `bolder` by the next rule in Safari 6.
*/
b,
strong {
font-weight: inherit;
}
/**
* Add the correct font weight in Chrome, Edge, and Safari.
*/
b,
strong {
font-weight: bolder;
}
/**
* 1. Correct the inheritance and scaling of font size in all browsers.
* 2. Correct the odd `em` font sizing in all browsers.
*/
code,
kbd,
samp {
font-family: monospace, monospace; /* 1 */
font-size: 1em; /* 2 */
}
/**
* Add the correct font style in Android 4.3-.
*/
dfn {
font-style: italic;
}
/**
* Add the correct background and color in IE 9-.
*/
mark {
background-color: #ff0;
color: #000;
}
/**
* Add the correct font size in all browsers.
*/
small {
font-size: 80%;
}
/**
* Prevent `sub` and `sup` elements from affecting the line height in
* all browsers.
*/
sub,
sup {
font-size: 75%;
line-height: 0;
position: relative;
vertical-align: baseline;
}
sub {
bottom: -0.25em;
}
sup {
top: -0.5em;
}
/* Embedded content
========================================================================== */
/**
* Add the correct display in IE 9-.
*/
audio,
video {
display: inline-block;
}
/**
* Add the correct display in iOS 4-7.
*/
audio:not([controls]) {
display: none;
height: 0;
}
/**
* Remove the border on images inside links in IE 10-.
*/
img {
border-style: none;
}
/**
* Hide the overflow in IE.
*/
svg:not(:root) {
overflow: hidden;
}
/* Forms
========================================================================== */
/**
* 1. Change the font styles in all browsers (opinionated).
* 2. Remove the margin in Firefox and Safari.
*/
button,
input,
optgroup,
select,
textarea {
font-family: sans-serif; /* 1 */
font-size: 100%; /* 1 */
line-height: 1.15; /* 1 */
margin: 0; /* 2 */
}
/**
* Show the overflow in IE.
* 1. Show the overflow in Edge.
*/
button,
input { /* 1 */
overflow: visible;
}
/**
* Remove the inheritance of text transform in Edge, Firefox, and IE.
* 1. Remove the inheritance of text transform in Firefox.
*/
button,
select { /* 1 */
text-transform: none;
}
/**
* 1. Prevent a WebKit bug where (2) destroys native `audio` and `video`
* controls in Android 4.
* 2. Correct the inability to style clickable types in iOS and Safari.
*/
button,
html [type="button"], /* 1 */
[type="reset"],
[type="submit"] {
-webkit-appearance: button; /* 2 */
}
/**
* Remove the inner border and padding in Firefox.
*/
button::-moz-focus-inner,
[type="button"]::-moz-focus-inner,
[type="reset"]::-moz-focus-inner,
[type="submit"]::-moz-focus-inner {
border-style: none;
padding: 0;
}
/**
* Restore the focus styles unset by the previous rule.
*/
button:-moz-focusring,
[type="button"]:-moz-focusring,
[type="reset"]:-moz-focusring,
[type="submit"]:-moz-focusring {
outline: 1px dotted ButtonText;
}
/**
* Change the border, margin, and padding in all browsers (opinionated).
*/
fieldset {
border: 1px solid #c0c0c0;
margin: 0 2px;
padding: 0.35em 0.625em 0.75em;
}
/**
* 1. Correct the text wrapping in Edge and IE.
* 2. Correct the color inheritance from `fieldset` elements in IE.
* 3. Remove the padding so developers are not caught out when they zero out
* `fieldset` elements in all browsers.
*/
legend {
box-sizing: border-box; /* 1 */
color: inherit; /* 2 */
display: table; /* 1 */
max-width: 100%; /* 1 */
padding: 0; /* 3 */
white-space: normal; /* 1 */
}
/**
* 1. Add the correct display in IE 9-.
* 2. Add the correct vertical alignment in Chrome, Firefox, and Opera.
*/
progress {
display: inline-block; /* 1 */
vertical-align: baseline; /* 2 */
}
/**
* Remove the default vertical scrollbar in IE.
*/
textarea {
overflow: auto;
}
/**
* 1. Add the correct box sizing in IE 10-.
* 2. Remove the padding in IE 10-.
*/
[type="checkbox"],
[type="radio"] {
box-sizing: border-box; /* 1 */
padding: 0; /* 2 */
}
/**
* Correct the cursor style of increment and decrement buttons in Chrome.
*/
[type="number"]::-webkit-inner-spin-button,
[type="number"]::-webkit-outer-spin-button {
height: auto;
}
/**
* 1. Correct the odd appearance in Chrome and Safari.
* 2. Correct the outline style in Safari.
*/
[type="search"] {
-webkit-appearance: textfield; /* 1 */
outline-offset: -2px; /* 2 */
}
/**
* Remove the inner padding and cancel buttons in Chrome and Safari on macOS.
*/
[type="search"]::-webkit-search-cancel-button,
[type="search"]::-webkit-search-decoration {
-webkit-appearance: none;
}
/**
* 1. Correct the inability to style clickable types in iOS and Safari.
* 2. Change font properties to `inherit` in Safari.
*/
::-webkit-file-upload-button {
-webkit-appearance: button; /* 1 */
font: inherit; /* 2 */
}
/* Interactive
========================================================================== */
/*
* Add the correct display in IE 9-.
* 1. Add the correct display in Edge, IE, and Firefox.
*/
details, /* 1 */
menu {
display: block;
}
/*
* Add the correct display in all browsers.
*/
summary {
display: list-item;
}
/* Scripting
========================================================================== */
/**
* Add the correct display in IE 9-.
*/
canvas {
display: inline-block;
}
/**
* Add the correct display in IE.
*/
template {
display: none;
}
/* Hidden
========================================================================== */
/**
* Add the correct display in IE 10-.
*/
[hidden] {
display: none;
}

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html, body {
height: 100%;
}
body {
overflow-y: scroll;
font-size: 14px;
font-family: 'Roboto', sans-serif;
}
#app {
display: flex;
flex-direction: column;
}
.dropdown-custom {
display: block;
}
.el-square {
border-radius: 0;
}
.modal-wrapper {
display: flex;
justify-content: center;
align-items: center;
background-color: rgba(0, 0, 0, 0.5);
transition: opacity .3s ease;
z-index: 999;
position: fixed;
height: 100%;
width: 100%;
top: 0;
left: 0;
margin: auto 0;
}
.modal-new-user {
display: flex;
flex-direction: row;
background-color: #eaeaea;
padding: 2rem;
}
.modal-new-user-el-margin {
margin-left: 0.1rem;
margin-right: 0.1rem;
margin-top: 0.1rem;
margin-bottom: 0.1rem;
}
.modal-show-config {
display: flex;
flex-direction: column;
background-color: #eaeaea;
padding: 2rem;
}
.modal-show-config-txt-box {
/* width: 50rem; */
max-height: 30rem;
background-color: #ffffff;
padding: 1rem;
}

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>openvpn-admin</title>
<link rel="stylesheet" href="css/normalize.css">
<link rel="stylesheet" href="css/bootstrap.min.css">
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div id="app" @click.left.stop="u_ctx_hide">
<div>
<button type="button" class="btn btn-sm btn-success el-square" v-on:click.stop="u.modalNewUserVisible=true">Add user</button>
</div>
<div class="dropdown-menu dropdown-custom" :style="uCtxStyle" v-show="u.ctxVisible">
<button class="dropdown-item" type="button" :data-name="name" :data-text="text" @click.left.stop="u_ctx_click" v-for="text, name in u.ctxMenuItems">{{text}}</button>
</div>
<table class="table table-bordered table-hover">
<thead class="thead-dark">
<tr>
<th scope="col">Name</th>
<th scope="col">Flag</th>
<th scope="col">Expiration date</th>
<th scope="col">Revocation date</th>
</tr>
</thead>
<tbody>
<tr v-for="row in u.data" :data-name="row.Identity" :style="row.connection_status" @contextmenu.prevent="u_ctx_show">
<td>{{ row.Identity }}</td>
<td>{{ row.Flag }}</td>
<td>{{ row.ExpirationDate }}</td>
<td>{{ row.RevocationDate }}</td>
</tr>
</tbody>
</table>
<div class="modal-wrapper" v-if="u.modalNewUserVisible">
<div class="modal-new-user">
<input type="text" class="form-control el-square modal-new-user-el-margin" placeholder="User name [_a-zA-Z0-9\.-]" v-model="u.newUserName">
<button type="button" class="btn btn-success el-square modal-new-user-el-margin" v-on:click.stop="create_user();u.modalNewUserVisible=false">Create</button>
<button type="button" class="btn btn-success el-square modal-new-user-el-margin" v-on:click.stop="u.newUserName='';u.modalNewUserVisible=false">Cancel</button>
</div>
</div>
<div class="modal-wrapper" v-if="u.modalShowConfigVisible">
<div class="modal-show-config">
<div class="row">
<button type="button" class="btn btn-success el-square modal-new-user-el-margin" v-clipboard:copy="u.openvpnConfig">Copy</button>
<button type="button" class="btn btn-success el-square modal-new-user-el-margin" v-on:click.stop="u.openvpnConfig='';u.modalShowConfigVisible=false">Cancel</button>
</div>
<div class="row">
<pre class="modal-show-config-txt-box modal-new-user-el-margin">{{ u.openvpnConfig }}</pre>
</div>
</div>
</div>
</div>
<script src="dist/build.js"></script>
</body>
</html>
<!-- n['flag'], n['expiration_date'], n['revocation_date'], n['serial_number'], n['filename'], n['distinguished_name'] -->

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var path = require('path')
var webpack = require('webpack')
module.exports = {
entry: './src/main.js',
output: {
path: path.resolve(__dirname, './static/dist'),
publicPath: '/dist/',
filename: 'build.js'
},
module: {
rules: [
{
test: /\.css$/,
use: [
'vue-style-loader',
'css-loader'
],
},
{
test: /\.scss$/,
use: [
'vue-style-loader',
'css-loader',
'sass-loader'
],
},
{
test: /\.sass$/,
use: [
'vue-style-loader',
'css-loader',
'sass-loader?indentedSyntax'
],
},
{
test: /\.vue$/,
loader: 'vue-loader',
options: {
loaders: {
// Since sass-loader (weirdly) has SCSS as its default parse mode, we map
// the "scss" and "sass" values for the lang attribute to the right configs here.
// other preprocessors should work out of the box, no loader config like this necessary.
'scss': [
'vue-style-loader',
'css-loader',
'sass-loader'
],
'sass': [
'vue-style-loader',
'css-loader',
'sass-loader?indentedSyntax'
]
}
// other vue-loader options go here
}
},
{
test: /\.js$/,
loader: 'babel-loader',
exclude: /node_modules/
},
{
test: /\.(png|jpg|gif|svg)$/,
loader: 'file-loader',
options: {
name: '[name].[ext]?[hash]'
}
}
]
},
resolve: {
alias: {
'vue$': 'vue/dist/vue.esm.js'
},
extensions: ['*', '.js', '.vue', '.json']
},
devServer: {
historyApiFallback: true,
noInfo: true,
overlay: true
},
performance: {
hints: false
},
devtool: '#eval-source-map'
}
if (process.env.NODE_ENV === 'production') {
module.exports.devtool = '#source-map'
// http://vue-loader.vuejs.org/en/workflow/production.html
module.exports.plugins = (module.exports.plugins || []).concat([
new webpack.DefinePlugin({
'process.env': {
NODE_ENV: '"production"'
}
}),
new webpack.optimize.UglifyJsPlugin({
sourceMap: true,
compress: {
warnings: false
}
}),
new webpack.LoaderOptionsPlugin({
minimize: true
})
])
}

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#!/bin/bash
if [ ! -d easyrsa ]; then
mkdir easyrsa
fi
cd easyrsa
if [ ! -f easyrsa ]; then
curl -sL https://github.com/OpenVPN/easy-rsa/releases/download/v3.0.6/EasyRSA-unix-v3.0.6.tgz | tar -xzv --strip-components=1 -C .
fi
if [ -d pki ]; then
exit 0
fi
./easyrsa init-pki
echo "ca\n" | ./easyrsa build-ca nopass
./easyrsa build-server-full server nopass
./easyrsa build-client-full client nopass

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go.mod Normal file
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module openvpn-web-ui
go 1.14

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package main
import (
"bytes"
"fmt"
"io/ioutil"
"log"
"os"
"os/exec"
"regexp"
"strings"
"text/template"
// "reflect"
"bufio"
"net"
// "io"
// "encoding/binary"
"encoding/json"
"net/http"
)
const (
easyrsaPath = "easyrsa"
indexTxtPath = easyrsaPath + "/pki/index.txt"
usernameRegexp = `^([a-zA-Z0-9_.-])+$`
openvpnServerHost = "127.0.0.1"
openvpnServerPort = "7777"
listenHost = "127.0.0.1"
listenPort = "8080"
mgmtListenHost = "127.0.0.1"
mgmtListenPort = "7788"
)
type openvpnClientConfig struct {
Host string
Port string
CA string
Cert string
Key string
TLS string
}
type indexTxtLine struct {
Flag string
ExpirationDate string
RevocationDate string
SerialNumber string
Filename string
DistinguishedName string
Identity string
}
type clientStatus struct {
CommonName string
RealAddress string
BytesReceived string
BytesSent string
ConnectedSince string
VirtualAddress string
LastRef string
ConnectedSinceFormated string
LastRefFormated string
}
func userListHandler(w http.ResponseWriter, r *http.Request) {
userList, _ := json.Marshal(indexTxtParser(fRead(indexTxtPath)))
fmt.Fprintf(w, "%s", userList)
}
func userCreateHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
fmt.Fprintf(w, "%s", userCreate(r.FormValue("username")))
}
func userRevokeHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
fmt.Fprintf(w, "%s", userRevoke(r.FormValue("username")))
}
func userUnrevokeHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
fmt.Fprintf(w, "%s", userUnrevoke(r.FormValue("username")))
}
func userShowConfigHandler(w http.ResponseWriter, r *http.Request) {
r.ParseForm()
fmt.Printf("username: %v\n%s\n", r.PostForm, r.FormValue("username"))
fmt.Fprintf(w, "%s", renderClientConfig(r.FormValue("username")))
}
func main() {
fmt.Println("Bind: http://" + listenHost + ":" + listenPort)
// usersFromIndexTxt := indexTxtParser(fRead(indexTxtPath))
// fRead(indexTxtPath)
// fWrite("hello", "hi")
// renderIndexTxt(indexTxtParser(fRead(indexTxtPath)))
// renderClientConfig("asd")
// crlFix()
// fmt.Println(reflect.TypeOf(indexTxtConf))
// fmt.Print(userUnrevoke("asd"))
// renderIndexTxt(usersFromIndexTxt)
// x := getActiveClients()
// fmt.Printf("%#v", x)
// killUserConnection("x")
fs := http.FileServer(http.Dir("./frontend/static"))
http.Handle("/", fs)
http.HandleFunc("/api/users/list", userListHandler)
http.HandleFunc("/api/user/create", userCreateHandler)
http.HandleFunc("/api/user/revoke", userRevokeHandler)
http.HandleFunc("/api/user/unrevoke", userUnrevokeHandler)
http.HandleFunc("/api/user/showconfig", userShowConfigHandler)
log.Fatal(http.ListenAndServe(listenHost+":"+listenPort, nil))
}
func fRead(path string) string {
content, err := ioutil.ReadFile(path)
if err != nil {
log.Fatal(err)
}
return string(content)
}
func fWrite(path, content string) {
err := ioutil.WriteFile(path, []byte(content), 0644)
if err != nil {
log.Fatal(err)
}
}
func indexTxtParser(txt string) []indexTxtLine {
indexTxt := []indexTxtLine{}
txtLinesArray := strings.Split(txt, "\n")
for _, v := range txtLinesArray {
str := strings.Fields(v)
if len(str) > 0 {
switch {
// case strings.HasPrefix(str[0], "E"):
case strings.HasPrefix(str[0], "V"):
indexTxt = append(indexTxt, indexTxtLine{Flag: str[0], ExpirationDate: str[1], SerialNumber: str[2], Filename: str[3], DistinguishedName: str[4], Identity: str[4][strings.Index(str[4], "=")+1:]})
case strings.HasPrefix(str[0], "R"):
indexTxt = append(indexTxt, indexTxtLine{Flag: str[0], ExpirationDate: str[1], RevocationDate: str[2], SerialNumber: str[3], Filename: str[4], DistinguishedName: str[5], Identity: str[5][strings.Index(str[5], "=")+1:]})
}
}
}
return indexTxt
}
func renderIndexTxt(data []indexTxtLine) string {
indexTxt := ""
for _, line := range data {
switch {
case line.Flag == "V":
// if line.distinguishedName != "/CN=server" {
// fmt.Printf("%s\t%s\t\t%s\t%s\t%s\n", line.flag, line.expirationDate, line.serialNumber, line.filename, line.distinguishedName)
indexTxt += fmt.Sprintf("%s\t%s\t\t%s\t%s\t%s\n", line.Flag, line.ExpirationDate, line.SerialNumber, line.Filename, line.DistinguishedName)
// }
case line.Flag == "R":
// if line.distinguishedName != "/CN=server" {
// fmt.Printf("%s\t%s\t%s\t%s\t%s\t%s\n", line.flag, line.expirationDate, line.revocationDate, line.serialNumber, line.filename, line.distinguishedName)
indexTxt += fmt.Sprintf("%s\t%s\t%s\t%s\t%s\t%s\n", line.Flag, line.ExpirationDate, line.RevocationDate, line.SerialNumber, line.Filename, line.DistinguishedName)
// }
// case line.flag == "E":
}
}
return (indexTxt)
}
func renderClientConfig(username string) string {
if checkUserExist(username) {
conf := openvpnClientConfig{}
conf.Host = openvpnServerHost
conf.Port = openvpnServerPort
conf.CA = fRead(easyrsaPath + "/pki/ca.crt")
conf.Cert = fRead(easyrsaPath + "/pki/issued/" + username + ".crt")
conf.Key = fRead(easyrsaPath + "/pki/private/" + username + ".key")
conf.TLS = fRead(easyrsaPath + "/pki/ta.key")
t, _ := template.ParseFiles("client.conf.tpl")
var tmp bytes.Buffer
t.Execute(&tmp, conf)
// fmt.Printf("%+v\n", err)
fmt.Printf("%+v\n", tmp.String())
return (fmt.Sprintf("%+v\n", tmp.String()))
}
fmt.Printf("User \"%s\" not found", username)
return (fmt.Sprintf("User \"%s\" not found", username))
}
// https://community.openvpn.net/openvpn/ticket/623
func crlFix() {
os.Chmod(easyrsaPath+"/pki", 0755)
err := os.Chmod(easyrsaPath+"/pki/crl.pem", 0640)
if err != nil {
log.Println(err)
}
}
func runBash(script string) string {
fmt.Println(script)
cmd := exec.Command("bash", "-c", script)
stdout, err := cmd.CombinedOutput()
if err != nil {
return (fmt.Sprint(err) + " : " + string(stdout))
}
return (string(stdout))
}
func validateUsername(username string) bool {
var validUsername = regexp.MustCompile(usernameRegexp)
return (validUsername.MatchString(username))
}
func checkUserExist(username string) bool {
for _, u := range indexTxtParser(fRead(indexTxtPath)) {
if u.DistinguishedName == ("/CN=" + username) {
return (true)
}
}
return (false)
}
func usersList() []string {
users := []string{}
for _, line := range indexTxtParser(fRead(indexTxtPath)) {
users = append(users, line.Identity)
}
return (users)
}
func userCreate(username string) string {
if validateUsername(username) == false {
fmt.Printf("Username \"%s\" incorrect, you can use only %s\n", username, usernameRegexp)
return (fmt.Sprintf("Username \"%s\" incorrect, you can use only %s\n", username, usernameRegexp))
}
if checkUserExist(username) {
fmt.Printf("User \"%s\" already exists\n", username)
return (fmt.Sprintf("User \"%s\" already exists\n", username))
}
o := runBash(fmt.Sprintf("date +%%Y-%%m-%%d\\ %%H:%%M:%%S && cd %s && ./easyrsa build-client-full %s nopass", easyrsaPath, username))
fmt.Println(o)
return ("")
}
func userRevoke(username string) string {
if checkUserExist(username) {
// check certificate valid flag 'V'
o := runBash(fmt.Sprintf("date +%%Y-%%m-%%d\\ %%H:%%M:%%S && cd %s && echo yes | ./easyrsa revoke %s && ./easyrsa gen-crl", easyrsaPath, username))
crlFix()
return (fmt.Sprintln(o))
}
fmt.Printf("User \"%s\" not found", username)
return (fmt.Sprintf("User \"%s\" not found", username))
}
func userUnrevoke(username string) string {
if checkUserExist(username) {
// check certificate revoked flag 'R'
usersFromIndexTxt := indexTxtParser(fRead(indexTxtPath))
for i := range usersFromIndexTxt {
if usersFromIndexTxt[i].DistinguishedName == ("/CN=" + username) {
usersFromIndexTxt[i].Flag = "V"
usersFromIndexTxt[i].RevocationDate = ""
break
}
}
fWrite(indexTxtPath, renderIndexTxt(usersFromIndexTxt))
fmt.Print(renderIndexTxt(usersFromIndexTxt))
crlFix()
return (fmt.Sprintf("{\"msg\":\"User %s successfully unrevoked\"}", username))
}
return (fmt.Sprintf("{\"msg\":\"User \"%s\" not found\"}", username))
}
func ovpnMgmtRead(conn net.Conn) string {
buf := make([]byte, 32768)
len, _ := conn.Read(buf)
s := string(buf[:len])
return (s)
}
func mgmtConnectedUsersParser(text string) []clientStatus {
u := []clientStatus{}
isClientList := false
isRouteTable := false
scanner := bufio.NewScanner(strings.NewReader(text))
for scanner.Scan() {
txt := scanner.Text()
if regexp.MustCompile(`^Common Name,Real Address,Bytes Received,Bytes Sent,Connected Since$`).MatchString(txt) {
isClientList = true
continue
}
if regexp.MustCompile(`^ROUTING TABLE$`).MatchString(txt) {
isClientList = false
continue
}
if regexp.MustCompile(`^Virtual Address,Common Name,Real Address,Last Ref$`).MatchString(txt) {
isRouteTable = true
continue
}
if regexp.MustCompile(`^GLOBAL STATS$`).MatchString(txt) {
// isRouteTable = false // ineffectual assignment to isRouteTable (ineffassign)
break
}
if isClientList {
user := strings.Split(txt, ",")
u = append(u, clientStatus{CommonName: user[0], RealAddress: user[1], BytesReceived: user[2], BytesSent: user[3], ConnectedSince: user[4]})
}
if isRouteTable {
user := strings.Split(txt, ",")
for i := range u {
if u[i].CommonName == user[1] {
u[i].VirtualAddress = user[0]
u[i].LastRef = user[3]
break
}
}
}
}
return (u)
}
func mgmtKillUserConnection(username string) {
conn, _ := net.Dial("tcp", mgmtListenHost+":"+mgmtListenPort)
ovpnMgmtRead(conn) // read welcome message
conn.Write([]byte(fmt.Sprintf("kill %s\n", username)))
fmt.Printf("%v", ovpnMgmtRead(conn))
conn.Close()
}
func mgmtGetActiveClients() []clientStatus {
conn, _ := net.Dial("tcp", mgmtListenHost+":"+mgmtListenPort)
ovpnMgmtRead(conn) // read welcome message
conn.Write([]byte("status\n"))
activeClients := mgmtConnectedUsersParser(ovpnMgmtRead(conn))
conn.Close()
return (activeClients)
}