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	| Author | SHA1 | Date | |
|---|---|---|---|
| d7639e9de2 | |||
| ee57b3af58 | 
							
								
								
									
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								README.md
									
									
									
									
									
								
							
							
						
						
									
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								README.md
									
									
									
									
									
								
							| 
						 | 
				
			
			@ -7,11 +7,6 @@ Small tools needed to solve immediate tasks independently or as part of a projec
 | 
			
		|||
* [`confutil`.py](https://git.hmp.today/pavel.muhortov/utils#confutil-py)
 | 
			
		||||
* [`sendmail`.py](https://git.hmp.today/pavel.muhortov/utils#sendmail-py)
 | 
			
		||||
* [`simplewc`.py](https://git.hmp.today/pavel.muhortov/utils#simplewc-py)
 | 
			
		||||
* [`ovpn-cert-expiration`.sh](https://git.hmp.today/pavel.muhortov/utils#ovpn-cert-expiration-sh)
 | 
			
		||||
* [`ovpn-client-management`.sh](https://git.hmp.today/pavel.muhortov/utils#ovpn-client-management-sh)
 | 
			
		||||
* [`ovpn-connect-handling`.sh](https://git.hmp.today/pavel.muhortov/utils#ovpn-connect-handling-sh)
 | 
			
		||||
* [`wg-client-management`.sh](https://git.hmp.today/pavel.muhortov/utils#wg-client-management-sh)
 | 
			
		||||
* [`wg-connect-handling`.sh](https://git.hmp.today/pavel.muhortov/utils#wg-connect-handling-sh)
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		||||
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		||||
____
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		||||
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		||||
| 
						 | 
				
			
			@ -156,17 +151,22 @@ ____
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		|||
|**[--file]**|mail attachment files|`None`|
 | 
			
		||||
|**[--time]**|minutes of attempts to send|3|
 | 
			
		||||
 | 
			
		||||
Example usage in terminal with Python:
 | 
			
		||||
Example usage in terminal:
 | 
			
		||||
 | 
			
		||||
```bash
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		||||
python3 ./sendmail.py -u user@gmail.com -p pass -d addr1@gmail.com,addr2@gmail.com
 | 
			
		||||
# download
 | 
			
		||||
sudo wget https://git.hmp.today/pavel.muhortov/utils/raw/branch/master/sendmail.py -O /usr/local/bin/sendmail.py
 | 
			
		||||
sudo chmod +x /usr/local/bin/sendmail.py
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
Example usage in terminal with make the script executable:  
 | 
			
		||||
```bash
 | 
			
		||||
# example 1
 | 
			
		||||
sendmail.py -u user@gmail.com -p pass -d addr1@gmail.com,addr2@gmail.com
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
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		||||
chmod u+x ./sendmail.py
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		||||
./sendmail.py -u user@gmail.com -p pass -d addr1@gmail.com,addr2@gmail.com
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		||||
# example 2
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		||||
/usr/local/opt/python-3.9/bin/python3.9 /usr/local/bin/sendmail.py -u user@gmail.com -p pass -d addr1@gmail.com,addr2@gmail.com --file "/path/to/file1,/path/to/file2"
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
Example usage in Python:
 | 
			
		||||
| 
						 | 
				
			
			@ -221,238 +221,3 @@ chmod u+x ./simplewc.py
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		|||
./simplewc.py --domain EXAMPLE.COM --server 8.8.8.8 --keyname KEY --keydata YOU_KEY_CONTENT --test --force
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		||||
./simplewc.py --domain EXAMPLE.COM --server dyn.dns.he.net --keyname - --keydata YOU_DDNSKEY --test --force
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		||||
```
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		||||
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		||||
____
 | 
			
		||||
 | 
			
		||||
## `ovpn-cert-expiration`.sh
 | 
			
		||||
 | 
			
		||||
**Description:**  
 | 
			
		||||
> Checking openvpn server certificates expiration and preparing stats for monitoring.  
 | 
			
		||||
 | 
			
		||||
**Dependencies:**  
 | 
			
		||||
>
 | 
			
		||||
> * privileged rights
 | 
			
		||||
> * [openssl](https://www.openssl.org/) (tested version 1.1.1k on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
 | 
			
		||||
|  POSITION | PARAMETERS   |       DESCRIPTION      |    DEFAULT    |
 | 
			
		||||
|-----------|--------------|------------------------|---------------|
 | 
			
		||||
|     1     |**[qn]**|execution without pauses||
 | 
			
		||||
|     2     |**[/path/to/conf]**|openvpn server config file path|/etc/openvpn/server/server.conf|
 | 
			
		||||
 | 
			
		||||
Example usage:  
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# download
 | 
			
		||||
sudo wget https://git.hmp.today/pavel.muhortov/utils/raw/branch/master/ovpn-cert-expiration.sh -O /etc/openvpn/server/ovpn-cert-expiration.sh
 | 
			
		||||
sudo chmod +x /etc/openvpn/server/ovpn-cert-expiration.sh
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# sudo crontab -e
 | 
			
		||||
0 * * * * bash /etc/openvpn/server/ovpn-cert-expiration.sh qn
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# check stats
 | 
			
		||||
watch cat /var/log/openvpn/ovpn-cert-expiration.log
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
____
 | 
			
		||||
 | 
			
		||||
## `ovpn-client-management`.sh
 | 
			
		||||
 | 
			
		||||
**Description:**  
 | 
			
		||||
> Creating or deleting client config for openvpn and sending config and info to email.  
 | 
			
		||||
 | 
			
		||||
**Dependencies:**  
 | 
			
		||||
>
 | 
			
		||||
> * privileged rights
 | 
			
		||||
> * chpasswd
 | 
			
		||||
> * [openvpn](https://openvpn.net/) (tested version 2.5.1 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [easy-rsa](https://github.com/OpenVPN/easy-rsa) (tested version 3.0.8 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * tar
 | 
			
		||||
> * [Python 3](https://www.python.org/downloads/) (tested version 3.9.5 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * existing [/usr/local/bin/sendmail.py](http://git.hmp.today/pavel.muhortov/utils/raw/branch/master/sendmail.py)
 | 
			
		||||
 | 
			
		||||
|  POSITION | PARAMETERS   |       DESCRIPTION      |    DEFAULT    |
 | 
			
		||||
|-----------|--------------|------------------------|---------------|
 | 
			
		||||
|     1     |**add\|del**|add or delete client config|**REQUIRED**|
 | 
			
		||||
|     2     |**\<username\>**|client username|**REQUIRED**|
 | 
			
		||||
|     3     |**\<password\>**|client password||
 | 
			
		||||
|     4     |**[-f]**,**[--force]**|service will restart after username delete||
 | 
			
		||||
 | 
			
		||||
Example usage:  
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# download
 | 
			
		||||
sudo wget https://git.hmp.today/pavel.muhortov/utils/raw/branch/master/ovpn-client-management.sh -O /etc/openvpn/server/ovpn-client-management.sh
 | 
			
		||||
sudo chmod +x /etc/openvpn/server/ovpn-client-management.sh
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# create link
 | 
			
		||||
ln -s /etc/openvpn/server/ovpn-client-management.sh ./ovpn
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# create client
 | 
			
		||||
sudo ./ovpn add username password
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# delete client (and restart service for applying changes)
 | 
			
		||||
sudo  ./ovpn del username -f
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# check journal
 | 
			
		||||
tail -f /var/log/openvpn/ovpn.log
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
____
 | 
			
		||||
 | 
			
		||||
## `ovpn-connect-handling`.sh
 | 
			
		||||
 | 
			
		||||
**Description:**  
 | 
			
		||||
> Handling client connection and preparing stats for monitoring.  
 | 
			
		||||
 | 
			
		||||
**Dependencies:**  
 | 
			
		||||
>
 | 
			
		||||
> * executing by [openvpn](https://openvpn.net/) server (tested version 2.5.1 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [jq](https://github.com/stedolan/jq) (tested version 1.6 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [grepcidr](https://github.com/ryantig/grepcidr) (tested version 2.0 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [Python 3](https://www.python.org/downloads/) (tested version 3.9.5 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * existing [/usr/local/bin/sendmail.py](http://git.hmp.today/pavel.muhortov/utils/raw/branch/master/sendmail.py)
 | 
			
		||||
> * [bash](https://www.gnu.org/software/bash/) (tested versions: 5.1.4 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/), 5.0.17 on [Ubuntu 20](https://wiki.ubuntu.com/FocalFossa/ReleaseNotes), 4.2.46 on [CentOS 7](https://wiki.centos.org/Manuals/ReleaseNotes/CentOS7.2009))
 | 
			
		||||
 | 
			
		||||
|  POSITION | PARAMETERS   |       DESCRIPTION      |    DEFAULT    |
 | 
			
		||||
|-----------|--------------|------------------------|---------------|
 | 
			
		||||
|     1     |**inc\|dec**|increment or decrement counter|**REQUIRED**|
 | 
			
		||||
|     2     |**</path/to/dir>**|root path for counter, names, log|**REQUIRED**|
 | 
			
		||||
|     3     |**[mail]**|send email notification||
 | 
			
		||||
|     4     |**[geo]**|check client address geolocation||
 | 
			
		||||
 | 
			
		||||
Example usage:  
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# download
 | 
			
		||||
sudo wget https://git.hmp.today/pavel.muhortov/utils/raw/branch/master/ovpn-connect-handling.sh -O /etc/openvpn/server/ovpn-connect-handling.sh
 | 
			
		||||
sudo chmod +x /etc/openvpn/server/ovpn-connect-handling.sh
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# add options to openvpn server config file
 | 
			
		||||
sudo tee -a /etc/openvpn/server/server.conf > /dev/null <<'EOF'
 | 
			
		||||
script-security 2
 | 
			
		||||
client-connect "/etc/openvpn/server/ovpn-connect-handling.sh inc /var/log/openvpn mail geo"
 | 
			
		||||
client-disconnect "/etc/openvpn/server/ovpn-connect-handling.sh dec /var/log/openvpn - -"
 | 
			
		||||
EOF
 | 
			
		||||
sudo systemctl restart openvpn@server
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# check counter and names
 | 
			
		||||
watch cat /var/log/openvpn/openvpn-counts.log
 | 
			
		||||
# check journal
 | 
			
		||||
tail -f /var/log/openvpn/ovpn-connect-handling.log
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
____
 | 
			
		||||
 | 
			
		||||
## `wg-client-management`.sh
 | 
			
		||||
 | 
			
		||||
**Description:**  
 | 
			
		||||
> Creating or deleting client config for wireguard and sending config and info to email.  
 | 
			
		||||
 | 
			
		||||
**Dependencies:**  
 | 
			
		||||
>
 | 
			
		||||
> * privileged rights
 | 
			
		||||
> * [wireguard](https://www.wireguard.com/) (tested version 1.0.2 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [qrencode](https://github.com/fukuchi/libqrencode) (tested version 4.1.1 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [grepcidr](https://github.com/ryantig/grepcidr) (tested version 2.0 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [Python 3](https://www.python.org/downloads/) (tested version 3.9.5 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * existing [/usr/local/bin/sendmail.py](http://git.hmp.today/pavel.muhortov/utils/raw/branch/master/sendmail.py)
 | 
			
		||||
 | 
			
		||||
|  POSITION | PARAMETERS   |       DESCRIPTION      |    DEFAULT    |
 | 
			
		||||
|-----------|--------------|------------------------|---------------|
 | 
			
		||||
|     1     |**add\|del**|add or delete client config|**REQUIRED**|
 | 
			
		||||
|     2     |**\<username\>**|client username|**REQUIRED**|
 | 
			
		||||
|     3     |**\<address\>**|client ip address|**REQUIRED**|
 | 
			
		||||
|     4     |**[-f]**,**[--force]**|service will restart after add\|del username||
 | 
			
		||||
 | 
			
		||||
Example usage:  
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# download
 | 
			
		||||
sudo wget https://git.hmp.today/pavel.muhortov/utils/raw/branch/master/wg-client-management.sh -O /etc/wireguard/wg-client-management.sh
 | 
			
		||||
sudo chmod +x /etc/wireguard/wg-client-management.sh
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# create link
 | 
			
		||||
ln -s /etc/wireguard/wg-client-management.sh ./wg
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# create client
 | 
			
		||||
sudo ./wg add username address
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# delete client and restart service
 | 
			
		||||
sudo  ./wg del username address -f
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# check journal
 | 
			
		||||
tail -f /var/log/wireguard/wg.log
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
____
 | 
			
		||||
 | 
			
		||||
## `wg-connect-handling`.sh
 | 
			
		||||
 | 
			
		||||
**Description:**  
 | 
			
		||||
> Handling client connection and preparing stats for monitoring.  
 | 
			
		||||
 | 
			
		||||
**Dependencies:**  
 | 
			
		||||
>
 | 
			
		||||
> * privileged rights
 | 
			
		||||
> * [jq](https://github.com/stedolan/jq) (tested version 1.6 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [grepcidr](https://github.com/ryantig/grepcidr) (tested version 2.0 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * [Python 3](https://www.python.org/downloads/) (tested version 3.9.5 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/))
 | 
			
		||||
> * existing [/usr/local/bin/sendmail.py](http://git.hmp.today/pavel.muhortov/utils/raw/branch/master/sendmail.py)
 | 
			
		||||
> * [bash](https://www.gnu.org/software/bash/) (tested versions: 5.1.4 on [Debian GNU/Linux 11](http://ftp.debian.org/debian/dists/bullseye/), 5.0.17 on [Ubuntu 20](https://wiki.ubuntu.com/FocalFossa/ReleaseNotes), 4.2.46 on [CentOS 7](https://wiki.centos.org/Manuals/ReleaseNotes/CentOS7.2009))
 | 
			
		||||
 | 
			
		||||
|  POSITION | PARAMETERS   |       DESCRIPTION      |    DEFAULT    |
 | 
			
		||||
|-----------|--------------|------------------------|---------------|
 | 
			
		||||
|     1     |**</path/to/dir>**|root path for counter, names, log|**REQUIRED**|
 | 
			
		||||
|     2     |**[mail]**|send email notification||
 | 
			
		||||
|     3     |**[geo]**|check client address geolocation||
 | 
			
		||||
 | 
			
		||||
Example usage:  
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# download
 | 
			
		||||
sudo wget https://git.hmp.today/pavel.muhortov/utils/raw/branch/master/wg-connect-handling.sh -O /etc/wireguard/wg-connect-handling.sh
 | 
			
		||||
sudo chmod +x /etc/wireguard/wg-connect-handling.sh
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# create root path for counter, names, log
 | 
			
		||||
sudo mkdir /var/log/wireguard
 | 
			
		||||
sudo chown -R root:root /var/log/wireguard
 | 
			
		||||
sudo chmod -R 755 /var/log/wireguard
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# sudo crontab -e
 | 
			
		||||
* * * * * bash /etc/wireguard/wg-connect-handling.sh /var/log/wireguard mail geo
 | 
			
		||||
```
 | 
			
		||||
 | 
			
		||||
```bash
 | 
			
		||||
# check counter and names
 | 
			
		||||
watch cat /var/log/wireguard/wg-counts.log
 | 
			
		||||
# check journal
 | 
			
		||||
tail -f /var/log/wireguard/wg-connect-handling.log
 | 
			
		||||
```
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1,4 +1,4 @@
 | 
			
		|||
#! /bin/bash
 | 
			
		||||
#!/usr/bin/env bash
 | 
			
		||||
 | 
			
		||||
# DESCRIPTION:
 | 
			
		||||
#   Building Python from sources.
 | 
			
		||||
| 
						 | 
				
			
			
 | 
			
		|||
| 
						 | 
				
			
			@ -1,149 +0,0 @@
 | 
			
		|||
#! /bin/bash
 | 
			
		||||
 | 
			
		||||
# DESCRIPTION:
 | 
			
		||||
#   checking openvpn server certificates expiration
 | 
			
		||||
#   and
 | 
			
		||||
#   preparing stats for monitoring
 | 
			
		||||
#
 | 
			
		||||
# DEPENDENCIES:
 | 
			
		||||
#   - privileged rights
 | 
			
		||||
#   - openssl
 | 
			
		||||
#
 | 
			
		||||
# PARAMETERS:
 | 
			
		||||
#   1: "qn" - execution without pauses
 | 
			
		||||
#   2: openvpn server config file path
 | 
			
		||||
#
 | 
			
		||||
# FUNCTIONS:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Print message and add to log.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   logs
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
addtologs() {
 | 
			
		||||
  echo "$(date +'%Y.%m.%d-%H:%M:%S') $1" | tee -a "${logs}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Waiting for press [ENTER].
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
execpause() {
 | 
			
		||||
  read -r -p "Press [ENTER] to continue... "
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Exit procedure.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   show
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
execquite() {
 | 
			
		||||
  addtologs "execution time is $(($(date +%s)-time)) seconds, exit"
 | 
			
		||||
  if [ "${show}" != "qn" ]; then
 | 
			
		||||
    execpause
 | 
			
		||||
  fi
 | 
			
		||||
  exit
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Error exit procedure
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
execerror() {
 | 
			
		||||
  addtologs "error: $1"
 | 
			
		||||
  execquite
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Parsing config file and creating global vars.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
getconfig() {
 | 
			
		||||
  cacrpath=$(grep ^ca "${conf}" | cut -d' ' -f2)
 | 
			
		||||
  certpath=$(grep ^cert "${conf}" | cut -d' ' -f2)
 | 
			
		||||
  statfile="$(dirname "$(grep ^log /etc/openvpn/server/server.conf | cut -d' ' -f2)")/$(basename -s .sh "$0").log"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Checking user rights.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
# return:
 | 
			
		||||
#   0 - if privileged rights, 1 - if not privileged rights
 | 
			
		||||
#######################################
 | 
			
		||||
checkroot() {
 | 
			
		||||
  if [ "${EUID}" -ne 0 ]; then
 | 
			
		||||
    return 1 # false
 | 
			
		||||
  else
 | 
			
		||||
    return 0 # true
 | 
			
		||||
  fi
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Print certificate expiration date in epoch
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: certificate path
 | 
			
		||||
#######################################
 | 
			
		||||
checkcert() {
 | 
			
		||||
  printf '%s\n' "$(date -d "$(openssl x509 -text -noout -in "${1}" | grep 'Not After' | cut -d':' -f2-)" +%s)"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# VARIABLES:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
show=$1
 | 
			
		||||
conf=$2
 | 
			
		||||
logs=/dev/null
 | 
			
		||||
if [ -z "${conf}" ] || [ "${conf}" == "-" ]; then
 | 
			
		||||
  conf=/etc/openvpn/server/server.conf
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
time=$(date +%s)
 | 
			
		||||
cd "$(dirname "$(realpath "$0")")" || execerror
 | 
			
		||||
if [ ! -e "${conf}" ]; then
 | 
			
		||||
  execerror "${conf} not found"
 | 
			
		||||
else
 | 
			
		||||
  getconfig
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
if ! command -v openssl &> /dev/null; then
 | 
			
		||||
  execerror "Not found dependencies"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# MAIN:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
if checkroot; then
 | 
			
		||||
  cacrtime=$(checkcert "${cacrpath}")
 | 
			
		||||
  certtime=$(checkcert "${certpath}")
 | 
			
		||||
  cacrremain=$(( cacrtime - time ))
 | 
			
		||||
  certremain=$(( certtime - time))
 | 
			
		||||
  addtologs "${cacrpath} remains only ${cacrremain} seconds"
 | 
			
		||||
  addtologs "${certpath} remains only ${certremain} seconds"
 | 
			
		||||
  printf '%s\n' "ca=${cacrremain}" > "${statfile}"
 | 
			
		||||
  printf '%s\n' "cert=${certremain}" >> "${statfile}"
 | 
			
		||||
  addtologs  "stats wrote to ${statfile}"
 | 
			
		||||
  execquite
 | 
			
		||||
else
 | 
			
		||||
  execerror "Restart this as root!"
 | 
			
		||||
fi
 | 
			
		||||
| 
						 | 
				
			
			@ -1,353 +0,0 @@
 | 
			
		|||
#! /bin/bash
 | 
			
		||||
 | 
			
		||||
# DESCRIPTION:
 | 
			
		||||
#   creating or deleting client config for openvpn
 | 
			
		||||
#   and
 | 
			
		||||
#   sending config and info to email
 | 
			
		||||
#
 | 
			
		||||
# DEPENDENCIES:
 | 
			
		||||
#   - privileged rights
 | 
			
		||||
#   - chpasswd
 | 
			
		||||
#   - openvpn
 | 
			
		||||
#   - easy-rsa
 | 
			
		||||
#   - tar
 | 
			
		||||
#   - Python 3
 | 
			
		||||
#   - existing /usr/local/bin/sendmail.py
 | 
			
		||||
#
 | 
			
		||||
# PARAMETERS:
 | 
			
		||||
#   1: "add|del" - add or delete client config
 | 
			
		||||
#   2: username - client username
 | 
			
		||||
#   3: password - client password
 | 
			
		||||
#   -f|--force - service will restart after username delete
 | 
			
		||||
#
 | 
			
		||||
# FUNCTIONS:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Print message and add to log.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   logs
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
addtologs() {
 | 
			
		||||
  echo "$(date +'%Y.%m.%d-%H:%M:%S') $1" | tee -a "${logs}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Exit procedure.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   show
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
execquite() {
 | 
			
		||||
  addtologs "execution time is $(($(date +%s)-time)) seconds, exit"
 | 
			
		||||
  exit
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Error exit procedure
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
execerror() {
 | 
			
		||||
  addtologs "error: $1"
 | 
			
		||||
  execquite
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Checking user rights.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
# return:
 | 
			
		||||
#   0 - if privileged rights, 1 - if not privileged rights
 | 
			
		||||
#######################################
 | 
			
		||||
checkroot() {
 | 
			
		||||
  if [ "${EUID}" -ne 0 ]; then
 | 
			
		||||
    return 1 # false
 | 
			
		||||
  else
 | 
			
		||||
    return 0 # true
 | 
			
		||||
  fi
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Creating linux user
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   clientpass
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
createuser() {
 | 
			
		||||
  useradd "${clientname}" --shell /sbin/nologin
 | 
			
		||||
  echo "${clientname}:${clientpass}" | chpasswd
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Creating Easy-RSA user certificate
 | 
			
		||||
# Globals:
 | 
			
		||||
#   easyrsadir
 | 
			
		||||
#   easyrsavar
 | 
			
		||||
#   easyrsaexe
 | 
			
		||||
#   easyrsacap
 | 
			
		||||
#   clientname
 | 
			
		||||
#   clientpass
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
# shellcheck disable=SC2016
 | 
			
		||||
createcert() {
 | 
			
		||||
    cd ${easyrsadir} || execerror ""
 | 
			
		||||
    sed -i -e '$aset_var EASYRSA_REQ_CN         '"${clientname}"'' ${easyrsavar}
 | 
			
		||||
    ${easyrsaexe} --passout=pass:"${clientpass}" --passin=pass:${easyrsacap} build-client-full "${clientname}"
 | 
			
		||||
    sed -i '/EASYRSA_REQ_CN/d' ${easyrsavar}
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Creating ovpn config file
 | 
			
		||||
# Globals:
 | 
			
		||||
#   easyrsadir
 | 
			
		||||
#   ovpncfgdef
 | 
			
		||||
#   clientname
 | 
			
		||||
#   ovpncfgdir
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
createovpn() {
 | 
			
		||||
  cd ${easyrsadir} || execerror ""
 | 
			
		||||
  {
 | 
			
		||||
    cat "${ovpncfgdef}"
 | 
			
		||||
    echo -e '<ca>'
 | 
			
		||||
    cat "${easyrsadir}/pki/ca.crt"
 | 
			
		||||
    echo -e '</ca>\n<cert>'
 | 
			
		||||
    cat "${easyrsadir}/pki/issued/${clientname}.crt"
 | 
			
		||||
    echo -e '</cert>\n<key>'
 | 
			
		||||
    cat "${easyrsadir}/pki/private/${clientname}.key"
 | 
			
		||||
    echo -e '</key>\n<tls-auth>'
 | 
			
		||||
    cat "${easyrsadir}/pki/ta.key"
 | 
			
		||||
    echo -e '</tls-auth>'
 | 
			
		||||
  } >> "${ovpncfgdir}/${clientname}.ovpn"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Creating tar with config file
 | 
			
		||||
# Globals:
 | 
			
		||||
#   easyrsadir
 | 
			
		||||
#   clientname
 | 
			
		||||
#   ovpncfgdir
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
createtars() {
 | 
			
		||||
  cp "${ovpncfgdir}/${clientname}.ovpn" "${ovpncfgdir}/vpn.cnf"
 | 
			
		||||
  sed -i "s#auth-user-pass#auth-user-pass /config/openvpn/vpn.txt#g" ${ovpncfgdir}/vpn.cnf
 | 
			
		||||
  {
 | 
			
		||||
    echo -e "${clientname}"
 | 
			
		||||
    echo -e "${clientpass}"
 | 
			
		||||
  } >> "${ovpncfgdir}/vpn.txt"
 | 
			
		||||
  cd ${ovpncfgdir} || execerror ""
 | 
			
		||||
  tar cf "${clientname}.tar" --remove-files vpn.cnf vpn.txt
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Creating info file
 | 
			
		||||
# Globals:
 | 
			
		||||
#   easyrsadir
 | 
			
		||||
#   easyrsaexe
 | 
			
		||||
#   clientname
 | 
			
		||||
#   ovpncfgdir
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
createinfo() {
 | 
			
		||||
  cd ${easyrsadir} || execerror
 | 
			
		||||
  validuntil=$(${easyrsaexe} show-cert "${clientname}" | grep "Not After" | cut -d: -f2-)
 | 
			
		||||
 | 
			
		||||
faqprofile=$(cat <<END
 | 
			
		||||
OpenVPN Connect client and installation instructions:
 | 
			
		||||
https://openvpn.net/vpn-client/
 | 
			
		||||
OpenVPN GUI client:
 | 
			
		||||
https://openvpn.net/community-downloads/
 | 
			
		||||
 | 
			
		||||
User Login: ${clientname}
 | 
			
		||||
User Password: ${clientpass}
 | 
			
		||||
Time Expired: ${validuntil}
 | 
			
		||||
END
 | 
			
		||||
)
 | 
			
		||||
 | 
			
		||||
  echo -e "${faqprofile}" > "${ovpncfgdir}/${clientname}.info"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Send email notification about client connect
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   faqprofile
 | 
			
		||||
#   ovpncfgdir
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
startsendmail() {
 | 
			
		||||
  subj="[OVPN Settings] $(cat /etc/hostname): ${clientname}.ovpn client profile"
 | 
			
		||||
  (
 | 
			
		||||
    python3 /usr/local/bin/sendmail.py \
 | 
			
		||||
    -u "$(grep "from=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -p "$(grep "pass=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -d "$(grep "dest=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --smtp "$(grep "smtp=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --port "$(grep "port=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --stls "True" \
 | 
			
		||||
    --subj "${subj}" \
 | 
			
		||||
    --text "${faqprofile}" \
 | 
			
		||||
    --file "${ovpncfgdir}/${clientname}.ovpn,${ovpncfgdir}/${clientname}.tar" \
 | 
			
		||||
    >> /dev/null 2>&1 &
 | 
			
		||||
  )
 | 
			
		||||
  addtologs "sent mail with subject '${subj}'"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Deleting linux user
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deleteuser() {
 | 
			
		||||
  userdel -f -r "${clientname}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Deleting Easy-RSA user certificate
 | 
			
		||||
# Globals:
 | 
			
		||||
#   easyrsadir
 | 
			
		||||
#   easyrsavar
 | 
			
		||||
#   easyrsaexe
 | 
			
		||||
#   easyrsacap
 | 
			
		||||
#   clientname
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deletecert() {
 | 
			
		||||
    cd ${easyrsadir} || execerror
 | 
			
		||||
    ${easyrsaexe} --batch --passin=pass:${easyrsacap} revoke "${clientname}"
 | 
			
		||||
    ${easyrsaexe} --batch --passin=pass:${easyrsacap} gen-crl
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Deleting ovpn config file
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   ovpncfgdir
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deleteovpn() {
 | 
			
		||||
    rm -f "${ovpncfgdir}/${clientname}.ovpn"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Deleting tar with config file
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   ovpncfgdir
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deletetars() {
 | 
			
		||||
  rm -f "${ovpncfgdir}/${clientname}.tar"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Deleting info file
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   ovpncfgdir
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deleteinfo() {
 | 
			
		||||
  rm -f "${ovpncfgdir}/${clientname}.info"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# VARIABLES:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
easyrsadir="/etc/openvpn/easy-rsa"
 | 
			
		||||
easyrsaidx="${easyrsadir}/pki/index.txt"
 | 
			
		||||
easyrsaexe="${easyrsadir}/easyrsa"
 | 
			
		||||
easyrsavar="${easyrsadir}/vars"
 | 
			
		||||
easyrsacap="openvpnca"
 | 
			
		||||
ovpncfgdir="/etc/openvpn/client"
 | 
			
		||||
ovpncfgdef="${ovpncfgdir}/client.conf.default"
 | 
			
		||||
 | 
			
		||||
clienttodo=$1
 | 
			
		||||
clientname=$2
 | 
			
		||||
clientpass=$3
 | 
			
		||||
 | 
			
		||||
resetforce=0
 | 
			
		||||
for argument in "${@}"; do
 | 
			
		||||
  case $argument in
 | 
			
		||||
  -f | --force )
 | 
			
		||||
    resetforce=1
 | 
			
		||||
    ;;
 | 
			
		||||
  -* )
 | 
			
		||||
    ;;
 | 
			
		||||
  esac
 | 
			
		||||
done
 | 
			
		||||
 | 
			
		||||
time=$(date +%s)
 | 
			
		||||
logs=/dev/null
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# MAIN:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
if checkroot; then
 | 
			
		||||
  logs=/var/log/openvpn/$(basename -s .sh "$0").log
 | 
			
		||||
  if [ "${clienttodo}" == "add" ] && \
 | 
			
		||||
     [ -n "${clientname}" ] && \
 | 
			
		||||
     [ "${#clientpass}" -ge 8 ]; then
 | 
			
		||||
    if id -u "${clientname}" >/dev/null 2>&1 || \
 | 
			
		||||
       grep -w "${clientname}" ${easyrsaidx} || \
 | 
			
		||||
       [ -e "${ovpncfgdir}/${clientname}.ovpn" ]; then
 | 
			
		||||
      execerror "linux user or certificate or ovpn config exist, exit"
 | 
			
		||||
    else
 | 
			
		||||
      createuser && addtologs "created Linux user '${clientname}'"
 | 
			
		||||
      createcert && addtologs "created certificate for ${clientname}"
 | 
			
		||||
      createovpn && addtologs "created ovpn config file for ${clientname}"
 | 
			
		||||
      createtars && addtologs "created tar with config file for ${clientname}"
 | 
			
		||||
      createinfo && addtologs "created info file for ${clientname}"
 | 
			
		||||
      startsendmail
 | 
			
		||||
    fi
 | 
			
		||||
  elif [ "${clienttodo}" == "del" ] && [ -n "${clientname}" ]; then
 | 
			
		||||
    if id -u "${clientname}" >/dev/null 2>&1 || \
 | 
			
		||||
       grep -w "${clientname}" ${easyrsaidx} || \
 | 
			
		||||
       [ -e "${ovpncfgdir}/${clientname}.ovpn" ]; then
 | 
			
		||||
      deleteuser
 | 
			
		||||
      addtologs "deleted Linux user '${clientname}'"
 | 
			
		||||
      deletecert && addtologs "deleted certificate for ${clientname}"
 | 
			
		||||
      deleteovpn && addtologs "deleted ovpn config file for ${clientname}"
 | 
			
		||||
      deletetars && addtologs "deleted tar with config file for ${clientname}"
 | 
			
		||||
      deleteinfo && addtologs "deleted info file for ${clientname}"
 | 
			
		||||
      if [ "${resetforce}" -eq 1 ];then
 | 
			
		||||
        addtologs "restarting openvpn@server..."
 | 
			
		||||
        systemctl restart openvpn@server
 | 
			
		||||
      fi
 | 
			
		||||
    else
 | 
			
		||||
      execerror "linux user and certificate and ovpn config not exist, exit"
 | 
			
		||||
    fi
 | 
			
		||||
  else
 | 
			
		||||
    printf "%s\n" "Usage example: $0 'add' 'username(surname)' 'password(not less 8 symbols)'"
 | 
			
		||||
    printf "%s\n" "Usage example: $0 'del' 'username(surname)'"
 | 
			
		||||
    printf "%s\n" "Usage example: $0 'del' 'username(surname)' -f"
 | 
			
		||||
  fi
 | 
			
		||||
else
 | 
			
		||||
  execerror "Restart this as root!"
 | 
			
		||||
fi
 | 
			
		||||
execquite
 | 
			
		||||
| 
						 | 
				
			
			@ -1,195 +0,0 @@
 | 
			
		|||
#! /bin/bash
 | 
			
		||||
 | 
			
		||||
# DESCRIPTION:
 | 
			
		||||
#   handling client connection
 | 
			
		||||
#   and
 | 
			
		||||
#   preparing stats for monitoring
 | 
			
		||||
#
 | 
			
		||||
# DEPENDENCIES:
 | 
			
		||||
#   - executing by openvpn server
 | 
			
		||||
#   - jq
 | 
			
		||||
#   - grepcidr
 | 
			
		||||
#   - Python 3
 | 
			
		||||
#   - existing /usr/local/bin/sendmail.py
 | 
			
		||||
#
 | 
			
		||||
# PARAMETERS:
 | 
			
		||||
#   1: "inc|dec" - increment or decrement counter
 | 
			
		||||
#   2: root path for counter, names, log
 | 
			
		||||
#   3: "mail" - send email notification
 | 
			
		||||
#   4: "geo" - check client address geolocation
 | 
			
		||||
#
 | 
			
		||||
# FUNCTIONS:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Print message and add to log.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   logs
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
addtologs() {
 | 
			
		||||
  echo "$(date +'%Y.%m.%d-%H:%M:%S') $1" | tee -a "${logs}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Exit procedure.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   show
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
execquite() {
 | 
			
		||||
  addtologs "execution time is $(($(date +%s)-time)) seconds, exit"
 | 
			
		||||
  exit
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Error exit procedure
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
execerror() {
 | 
			
		||||
  addtologs "error: $1"
 | 
			
		||||
  execquite
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Incrementing counter with adding client name
 | 
			
		||||
# Globals:
 | 
			
		||||
#   counts_file
 | 
			
		||||
#   common_name (variable by openvpn server)
 | 
			
		||||
#   ifconfig_pool_remote_ip (variable by openvpn server)
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
# shellcheck disable=SC2154
 | 
			
		||||
incremcounter() {
 | 
			
		||||
  summary_cur=$(grep 'total=' "${counts_file}" | cut -d= -f2)
 | 
			
		||||
  summary_new=${summary_cur} && (( summary_new += 1 ))
 | 
			
		||||
  counts_temp=$(sed -e "s/total=${summary_cur}/total=${summary_new}/g" "${counts_file}" \
 | 
			
		||||
              | sed -e '$a'"${common_name}"'_'"${ifconfig_pool_remote_ip}"'')
 | 
			
		||||
  addtologs "client ${common_name} connected, counter increment to ${summary_new}"
 | 
			
		||||
  printf "%s\n" "${counts_temp}" > "${counts_file}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Decrementing counter with deleting client name
 | 
			
		||||
# Globals:
 | 
			
		||||
#   counts_file
 | 
			
		||||
#   common_name (variable by openvpn server)
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
decremcounter(){
 | 
			
		||||
  summary_cur=$(grep 'total=' "${counts_file}" | cut -d= -f2)
 | 
			
		||||
  summary_new=${summary_cur} && (( summary_new -= 1 ))
 | 
			
		||||
  counts_temp=$(sed -e "s/total=${summary_cur}/total=${summary_new}/g" "${counts_file}" \
 | 
			
		||||
              | sed '0,/'"${common_name}"'/{/'"${common_name}"'/d}')
 | 
			
		||||
  addtologs "client ${common_name} disconnected, counter decrement to ${summary_new}"
 | 
			
		||||
  printf "%s\n" "${counts_temp}" > "${counts_file}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Get information about client address
 | 
			
		||||
# Globals:
 | 
			
		||||
#   flaggeol
 | 
			
		||||
#   untrusted_ip (variable by openvpn server)
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
# shellcheck disable=SC2154
 | 
			
		||||
expandaddress() {
 | 
			
		||||
  ipinfo="Source address is ${untrusted_ip}"
 | 
			
		||||
  localnetworks="10.0.0.0/8
 | 
			
		||||
                 100.64.0.0/10
 | 
			
		||||
                 127.0.0.1/8
 | 
			
		||||
                 172.16.0.0/12
 | 
			
		||||
                 192.168.0.0/16
 | 
			
		||||
                "
 | 
			
		||||
  if ! grepcidr "${localnetworks}" <(echo "${untrusted_ip}") >/dev/null; then
 | 
			
		||||
    if [ "${flaggeol}" == "geo" ]; then
 | 
			
		||||
      ipinfo=$(curl "https://api.ipbase.com/v1/json/${untrusted_ip}")
 | 
			
		||||
      if [ "$(jq -r '.country_name' <<< "$ipinfo")" != "" ]; then
 | 
			
		||||
        z=$(jq -r '.zip_code' <<< "$ipinfo")
 | 
			
		||||
        c=$(jq -r '.country_name' <<< "$ipinfo")
 | 
			
		||||
        r=$(jq -r '.region_name' <<< "$ipinfo")
 | 
			
		||||
        t=$(jq -r '.city' <<< "$ipinfo")
 | 
			
		||||
        ipinfo="Source address ${untrusted_ip} is from ${z}, ${c}, ${r}, ${t}"
 | 
			
		||||
      fi
 | 
			
		||||
    fi
 | 
			
		||||
  fi
 | 
			
		||||
  addtologs "client ${common_name} checked. ${ipinfo}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Send email notification about client connect
 | 
			
		||||
# Globals:
 | 
			
		||||
#   ipinfo
 | 
			
		||||
#   common_name (variable by openvpn server)
 | 
			
		||||
#   ifconfig_pool_remote_ip (variable by openvpn server)
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
startsendmail() {
 | 
			
		||||
  subj="[VPN Connected] $(cat /etc/hostname): ${common_name} connect to ${ifconfig_pool_remote_ip}"
 | 
			
		||||
  (
 | 
			
		||||
    python3 /usr/local/bin/sendmail.py \
 | 
			
		||||
    -u "$(grep "from=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -p "$(grep "pass=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -d "$(grep "dest=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --smtp "$(grep "smtp=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --port "$(grep "port=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --stls "True" \
 | 
			
		||||
    --subj "${subj}" \
 | 
			
		||||
    --text "${ipinfo}" \
 | 
			
		||||
    >> /dev/null 2>&1 &
 | 
			
		||||
  )
 | 
			
		||||
  addtologs "sent mail with subject '${subj}'"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# VARIABLES:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
flagmath=$1
 | 
			
		||||
pathroot=$2
 | 
			
		||||
flagmail=$3
 | 
			
		||||
flaggeol=$4
 | 
			
		||||
 | 
			
		||||
time=$(date +%s)
 | 
			
		||||
logs="${pathroot}/$(basename -s .sh "$0").log"
 | 
			
		||||
counts_file="${pathroot}/ovpn-counts.log"
 | 
			
		||||
if [ -z "${pathroot}" ]; then
 | 
			
		||||
  logs=/dev/null
 | 
			
		||||
  execerror "Usage example: $0 'inc|dec' '/var/log/openvpn' '-' '-'"
 | 
			
		||||
elif [ ! -e "${logs}" ]; then
 | 
			
		||||
  touch "${logs}"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
if ! command -v curl &> /dev/null || \
 | 
			
		||||
  ! command -v /usr/local/bin/sendmail.py &> /dev/null || \
 | 
			
		||||
  ! command -v python3 &> /dev/null || \
 | 
			
		||||
  ! command -v grepcidr &> /dev/null || \
 | 
			
		||||
  ! command -v jq &> /dev/null; then
 | 
			
		||||
  execerror "Not found dependencies"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# MAIN:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
if [ "${flagmath}" == "inc" ]; then
 | 
			
		||||
  incremcounter
 | 
			
		||||
  expandaddress
 | 
			
		||||
  if [ "${flagmail}" == "mail" ]; then
 | 
			
		||||
    startsendmail
 | 
			
		||||
  fi
 | 
			
		||||
elif [ "${flagmath}" == "dec" ]; then
 | 
			
		||||
  decremcounter
 | 
			
		||||
else
 | 
			
		||||
  execerror "Usage example: $0 'inc|dec' '/var/log/openvpn' '-' '-'"
 | 
			
		||||
fi
 | 
			
		||||
execquite
 | 
			
		||||
| 
						 | 
				
			
			@ -1,284 +0,0 @@
 | 
			
		|||
#! /bin/bash
 | 
			
		||||
 | 
			
		||||
# DESCRIPTION:
 | 
			
		||||
#   creating or deleting client config for wireguard
 | 
			
		||||
#   and
 | 
			
		||||
#   sending config and info to email
 | 
			
		||||
#
 | 
			
		||||
# DEPENDENCIES:
 | 
			
		||||
#   - privileged rights
 | 
			
		||||
#   - wireguard
 | 
			
		||||
#   - qrencode
 | 
			
		||||
#   - grepcidr
 | 
			
		||||
#   - Python 3
 | 
			
		||||
#   - existing /usr/local/bin/sendmail.py
 | 
			
		||||
#
 | 
			
		||||
# PARAMETERS:
 | 
			
		||||
#   1: "add|del" - add or delete client config
 | 
			
		||||
#   2: username - client username
 | 
			
		||||
#   3: address - client ip address
 | 
			
		||||
#   -f|--force - service will restart after username add|del
 | 
			
		||||
#
 | 
			
		||||
# FUNCTIONS:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Print message and add to log.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   logs
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
addtologs() {
 | 
			
		||||
  echo "$(date +'%Y.%m.%d-%H:%M:%S') $1" | tee -a "${logs}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Exit procedure.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   show
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
execquite() {
 | 
			
		||||
  addtologs "execution time is $(($(date +%s)-time)) seconds, exit"
 | 
			
		||||
  exit
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Error exit procedure
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
execerror() {
 | 
			
		||||
  addtologs "error: $1"
 | 
			
		||||
  execquite
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Checking user rights.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
# return:
 | 
			
		||||
#   0 - if privileged rights, 1 - if not privileged rights
 | 
			
		||||
#######################################
 | 
			
		||||
checkroot() {
 | 
			
		||||
  if [ "${EUID}" -ne 0 ]; then
 | 
			
		||||
    return 1 # false
 | 
			
		||||
  else
 | 
			
		||||
    return 0 # true
 | 
			
		||||
  fi
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Send email notification about client connect
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   faqprofile
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
startsendmail() {
 | 
			
		||||
  subj="[WG Settings] $(cat /etc/hostname): ${clientname} client profile"
 | 
			
		||||
  (
 | 
			
		||||
    python3 /usr/local/bin/sendmail.py \
 | 
			
		||||
    -u "$(grep "from=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -p "$(grep "pass=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -d "$(grep "dest=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --smtp "$(grep "smtp=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --port "$(grep "port=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --stls "True" \
 | 
			
		||||
    --subj "${subj}" \
 | 
			
		||||
    --text "${faqprofile}" \
 | 
			
		||||
    --file "/etc/wireguard/${clientname}.png,/etc/wireguard/${clientname}.conf" \
 | 
			
		||||
    >> /dev/null 2>&1 &
 | 
			
		||||
  )
 | 
			
		||||
  addtologs "sent mail with subject '${subj}'"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Create wireguard client certificates
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   clientaddr
 | 
			
		||||
#   servercfgname
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
createcert() {
 | 
			
		||||
  wg genkey | tee "/etc/wireguard/pki/${clientname}-private.key" | wg pubkey > "/etc/wireguard/pki/${clientname}-public.key"
 | 
			
		||||
  clientpublkey=$(cat "/etc/wireguard/pki/${clientname}-public.key")
 | 
			
		||||
  clientprivkey=$(cat "/etc/wireguard/pki/${clientname}-private.key")
 | 
			
		||||
  wg set wg0 peer "${clientpublkey}" allowed-ips "${clientaddr}/32"
 | 
			
		||||
  {
 | 
			
		||||
    echo -e "[Peer]"
 | 
			
		||||
    echo -e "  PublicKey = ${clientpublkey}"
 | 
			
		||||
    echo -e "  AllowedIPs = ${clientaddr}/32"
 | 
			
		||||
  } >> ${servercfgname}
 | 
			
		||||
  ip -4 route add "${clientaddr}/32" dev wg0
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Create wireguard client configuration
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   clientaddr
 | 
			
		||||
#   clientconfdef
 | 
			
		||||
#   clientprivkey
 | 
			
		||||
#   serverpublkey
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
createconf() {
 | 
			
		||||
  clientconf=$(cat "${clientconfdef}")
 | 
			
		||||
  clientconf=${clientconf//clientaddr/${clientaddr}}
 | 
			
		||||
  clientconf=${clientconf//clientprivkey/${clientprivkey}}
 | 
			
		||||
  clientconf=${clientconf//serverpublkey/${serverpublkey}}
 | 
			
		||||
  clientconf=${clientconf//clientaddrs/${clientaddr}}
 | 
			
		||||
  printf "%s\n" "${clientconf}" > "/etc/wireguard/${clientname}.conf"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Create wireguard client info, qr-code
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
createinfo() {
 | 
			
		||||
faqprofile=$(cat <<END
 | 
			
		||||
WireGuard client:
 | 
			
		||||
https://www.wireguard.com/install/
 | 
			
		||||
END
 | 
			
		||||
)
 | 
			
		||||
  qrencode -o "/etc/wireguard/${clientname}.png" -t png -s 6 < "/etc/wireguard/${clientname}.conf"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Delete wireguard client certificates
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
#   clientpublkey
 | 
			
		||||
#   servercfgname
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deletecert() {
 | 
			
		||||
  clientpublkey=$(cat "/etc/wireguard/pki/${clientname}-public.key")
 | 
			
		||||
  clientprivkey=$(cat "/etc/wireguard/pki/${clientname}-private.key")
 | 
			
		||||
  wg set wg0 peer "${clientpublkey}" remove
 | 
			
		||||
  rm -f "/etc/wireguard/pki/${clientname}-public.key"
 | 
			
		||||
  rm -f "/etc/wireguard/pki/${clientname}-private.key"
 | 
			
		||||
  s2=$(grep -n "${clientpublkey}" ${servercfgname} | cut -d":" -f1)
 | 
			
		||||
  s1=$(( s2 - 1 ))
 | 
			
		||||
  s3=$(( s2 + 1 ))
 | 
			
		||||
  sed -i "${s1}d;${s2}d;${s3}d" ${servercfgname}
 | 
			
		||||
  ip -4 route del "${clientaddr}/32" dev wg0
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Delete wireguard client configuration
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deleteconf() {
 | 
			
		||||
  rm -f "/etc/wireguard/${clientname}.conf"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Delete wireguard client qr-code
 | 
			
		||||
# Globals:
 | 
			
		||||
#   clientname
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
deleteinfo() {
 | 
			
		||||
  rm -f "/etc/wireguard/${clientname}.png"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# VARIABLES:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
clienttodo=$1
 | 
			
		||||
clientname=$2
 | 
			
		||||
clientaddr=$3
 | 
			
		||||
 | 
			
		||||
resetforce=0
 | 
			
		||||
for argument in "${@}"; do
 | 
			
		||||
  case $argument in
 | 
			
		||||
  -f | --force )
 | 
			
		||||
    resetforce=1
 | 
			
		||||
    ;;
 | 
			
		||||
  -* )
 | 
			
		||||
    ;;
 | 
			
		||||
  esac
 | 
			
		||||
done
 | 
			
		||||
 | 
			
		||||
time=$(date +%s)
 | 
			
		||||
logs=/dev/null
 | 
			
		||||
 | 
			
		||||
if ! command -v qrencode &> /dev/null || \
 | 
			
		||||
  ! command -v /usr/local/bin/sendmail.py &> /dev/null || \
 | 
			
		||||
  ! command -v python3 &> /dev/null; then
 | 
			
		||||
  execerror "Not found dependencies"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# MAIN:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
if checkroot; then
 | 
			
		||||
  serverpublkey=$(cat /etc/wireguard/pki/server-public.key)
 | 
			
		||||
  servercfgname="/etc/wireguard/wg0.conf"
 | 
			
		||||
  clientpublkey=''
 | 
			
		||||
  clientprivkey=''
 | 
			
		||||
  clientconfdef="/etc/wireguard/client.conf.default"
 | 
			
		||||
  logs=/var/log/wireguard/$(basename -s .sh "$0").log
 | 
			
		||||
 | 
			
		||||
  if [ "${clienttodo}" == "add" ] && \
 | 
			
		||||
     [ -n "${clientname}" ] && \
 | 
			
		||||
     grepcidr "0.0.0.0/0" <(echo "${clientaddr}") >/dev/null; then
 | 
			
		||||
    if [ -f "/etc/wireguard/${clientname}.conf" ] || \
 | 
			
		||||
      grep -q -w "${clientaddr}/32" ${servercfgname}; then
 | 
			
		||||
      execerror "wireguard config exist or address used, exit"
 | 
			
		||||
    else
 | 
			
		||||
      createcert && addtologs "created certificate for ${clientname}"
 | 
			
		||||
      createconf && addtologs "created wg config file for ${clientname}"
 | 
			
		||||
      createinfo && addtologs "created info file for ${clientname}"
 | 
			
		||||
      startsendmail
 | 
			
		||||
    fi
 | 
			
		||||
    if [ "${resetforce}" -eq 1 ];then
 | 
			
		||||
      addtologs "restarting wg-quick@wg0..."
 | 
			
		||||
      systemctl restart wg-quick@wg0
 | 
			
		||||
    fi
 | 
			
		||||
  elif [ "${clienttodo}" == "del" ] && \
 | 
			
		||||
     [ -n "${clientname}" ] && \
 | 
			
		||||
     grepcidr "0.0.0.0/0" <(echo "${clientaddr}") >/dev/null; then
 | 
			
		||||
    if [ -f "/etc/wireguard/${clientname}.conf" ]; then
 | 
			
		||||
      deleteconf && addtologs "deleted wg config file for ${clientname}"
 | 
			
		||||
    fi
 | 
			
		||||
    if [ -f "/etc/wireguard/${clientname}.png" ]; then
 | 
			
		||||
      deleteinfo && addtologs "deleted info file for ${clientname}"
 | 
			
		||||
    fi
 | 
			
		||||
    if grep -q -w "${clientaddr}/32" ${servercfgname}; then
 | 
			
		||||
      deletecert && addtologs "deleted certificate for ${clientname}"
 | 
			
		||||
    fi
 | 
			
		||||
    if [ "${resetforce}" -eq 1 ];then
 | 
			
		||||
      addtologs "restarting wg-quick@wg0..."
 | 
			
		||||
      systemctl restart wg-quick@wg0
 | 
			
		||||
    fi
 | 
			
		||||
  else
 | 
			
		||||
    printf "%s\n" "Usage example: $0 'add' 'username(surname)' 'address(ww.xx.yy.zz) -f'"
 | 
			
		||||
    printf "%s\n" "Usage example: $0 'del' 'username(surname)' 'address(ww.xx.yy.zz)'"
 | 
			
		||||
  fi
 | 
			
		||||
else
 | 
			
		||||
  execerror "Restart this as root!"
 | 
			
		||||
fi
 | 
			
		||||
execquite
 | 
			
		||||
| 
						 | 
				
			
			@ -1,208 +0,0 @@
 | 
			
		|||
#! /bin/bash
 | 
			
		||||
 | 
			
		||||
# DESCRIPTION:
 | 
			
		||||
#   handling client connection
 | 
			
		||||
#   and
 | 
			
		||||
#   preparing stats for monitoring
 | 
			
		||||
#
 | 
			
		||||
# DEPENDENCIES:
 | 
			
		||||
#   - privileged rights
 | 
			
		||||
#   - jq
 | 
			
		||||
#   - grepcidr
 | 
			
		||||
#   - Python 3
 | 
			
		||||
#   - existing /usr/local/bin/sendmail.py
 | 
			
		||||
#
 | 
			
		||||
# PARAMETERS:
 | 
			
		||||
#   1: root path for counter, names, log
 | 
			
		||||
#   2: "mail" - send email notification
 | 
			
		||||
#   3: "geo" - check client address geolocation
 | 
			
		||||
#
 | 
			
		||||
# FUNCTIONS:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Print message and add to log.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   logs
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
addtologs() {
 | 
			
		||||
  echo "$(date +'%Y.%m.%d-%H:%M:%S') $1" | tee -a "${logs}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Exit procedure.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   show
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
execquite() {
 | 
			
		||||
  addtologs "execution time is $(($(date +%s)-time)) seconds, exit"
 | 
			
		||||
  exit
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Error exit procedure
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   1: message to print and logging
 | 
			
		||||
#######################################
 | 
			
		||||
execerror() {
 | 
			
		||||
  addtologs "error: $1"
 | 
			
		||||
  execquite
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Checking user rights.
 | 
			
		||||
# Globals:
 | 
			
		||||
#   None
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
# return:
 | 
			
		||||
#   0 - if privileged rights, 1 - if not privileged rights
 | 
			
		||||
#######################################
 | 
			
		||||
checkroot() {
 | 
			
		||||
  if [ "${EUID}" -ne 0 ]; then
 | 
			
		||||
    return 1 # false
 | 
			
		||||
  else
 | 
			
		||||
    return 0 # true
 | 
			
		||||
  fi
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Get information about client address
 | 
			
		||||
# Globals:
 | 
			
		||||
#   flaggeol
 | 
			
		||||
#   show_from_addr
 | 
			
		||||
#   conf_client_nm
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
# shellcheck disable=SC2154
 | 
			
		||||
expandaddress() {
 | 
			
		||||
  ipinfo="Source address is ${show_from_addr}"
 | 
			
		||||
  localnetworks="10.0.0.0/8
 | 
			
		||||
                 100.64.0.0/10
 | 
			
		||||
                 127.0.0.1/8
 | 
			
		||||
                 172.16.0.0/12
 | 
			
		||||
                 192.168.0.0/16
 | 
			
		||||
                "
 | 
			
		||||
  if ! grepcidr "${localnetworks}" <(echo "${show_from_addr}") >/dev/null; then
 | 
			
		||||
    if [ "${flaggeol}" == "geo" ]; then
 | 
			
		||||
      ipinfo=$(curl "https://api.ipbase.com/v1/json/${show_from_addr}")
 | 
			
		||||
      if [ "$(jq -r '.country_name' <<< "$ipinfo")" != "" ]; then
 | 
			
		||||
        z=$(jq -r '.zip_code' <<< "$ipinfo")
 | 
			
		||||
        c=$(jq -r '.country_name' <<< "$ipinfo")
 | 
			
		||||
        r=$(jq -r '.region_name' <<< "$ipinfo")
 | 
			
		||||
        t=$(jq -r '.city' <<< "$ipinfo")
 | 
			
		||||
        ipinfo="Source address ${show_from_addr} is from ${z}, ${c}, ${r}, ${t}"
 | 
			
		||||
      fi
 | 
			
		||||
    fi
 | 
			
		||||
  fi
 | 
			
		||||
  addtologs "client ${conf_client_nm} checked. ${ipinfo}"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#######################################
 | 
			
		||||
# Send email notification about client connect
 | 
			
		||||
# Globals:
 | 
			
		||||
#   ipinfo
 | 
			
		||||
#   conf_client_nm
 | 
			
		||||
#   conf_ipaddress
 | 
			
		||||
# Arguments:
 | 
			
		||||
#   None
 | 
			
		||||
#######################################
 | 
			
		||||
startsendmail() {
 | 
			
		||||
  subj="[VPN Connected] $(cat /etc/hostname): ${conf_client_nm} connect to ${conf_ipaddress}"
 | 
			
		||||
  (
 | 
			
		||||
    python3 /usr/local/bin/sendmail.py \
 | 
			
		||||
    -u "$(grep "from=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -p "$(grep "pass=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    -d "$(grep "dest=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --smtp "$(grep "smtp=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --port "$(grep "port=" /usr/local/bin/sendmail.config | cut -d= -f2)" \
 | 
			
		||||
    --stls "True" \
 | 
			
		||||
    --subj "${subj}" \
 | 
			
		||||
    --text "${ipinfo}" \
 | 
			
		||||
    >> /dev/null 2>&1 &
 | 
			
		||||
  )
 | 
			
		||||
  addtologs "sent mail with subject '${subj}'"
 | 
			
		||||
}
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# VARIABLES:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
pathroot=$1
 | 
			
		||||
flagmail=$2
 | 
			
		||||
flaggeol=$3
 | 
			
		||||
 | 
			
		||||
time=$(date +%s)
 | 
			
		||||
logs="${pathroot}/$(basename -s .sh "$0").log"
 | 
			
		||||
counts_file="${pathroot}/wg-counts.log"
 | 
			
		||||
counts_temp=$(cat "${counts_file}")
 | 
			
		||||
if [ -z "${pathroot}" ]; then
 | 
			
		||||
  logs=/dev/null
 | 
			
		||||
  execerror "Usage example: $0 '/var/log/wireguard' '-' '-'"
 | 
			
		||||
elif [ ! -e "${logs}" ]; then
 | 
			
		||||
  touch "${logs}"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
if ! command -v curl &> /dev/null || \
 | 
			
		||||
  ! command -v /usr/local/bin/sendmail.py &> /dev/null || \
 | 
			
		||||
  ! command -v python3 &> /dev/null || \
 | 
			
		||||
  ! command -v grepcidr &> /dev/null || \
 | 
			
		||||
  ! command -v jq &> /dev/null; then
 | 
			
		||||
  execerror "Not found dependencies"
 | 
			
		||||
fi
 | 
			
		||||
 | 
			
		||||
#
 | 
			
		||||
# MAIN:
 | 
			
		||||
#
 | 
			
		||||
 | 
			
		||||
if checkroot; then
 | 
			
		||||
  allowed_cfg=$(find /etc/wireguard/ -name "*.conf" | grep -v "wg0.conf")
 | 
			
		||||
  counter_now=0
 | 
			
		||||
  clients_now=""
 | 
			
		||||
  while read -r file; do
 | 
			
		||||
    conf_keepalive=$(grep "PersistentKeepalive" "${file}" |cut -d"=" -f2 |tr -d " ")
 | 
			
		||||
    conf_ipaddress=$(grep "Address" "${file}" |cut -d"=" -f2  |cut -d"/" -f1 |tr -d " ")
 | 
			
		||||
    conf_client_nm=$(basename -s .conf "${file}")
 | 
			
		||||
    show_handshake=$(wg show all dump |grep "${conf_ipaddress}" |cut -f6)
 | 
			
		||||
    show_from_addr=$(wg show all dump |grep "${conf_ipaddress}" |cut -f4 |cut -d":" -f1)
 | 
			
		||||
    if [ "${show_handshake}" -ne 0 ]; then
 | 
			
		||||
      calc_handshake="$(date -d "-${conf_keepalive} min" +"%s")"
 | 
			
		||||
      if [ "${show_handshake}" -ge "${calc_handshake}" ]; then
 | 
			
		||||
	      (( counter_now ++))
 | 
			
		||||
        connect_status="connected"
 | 
			
		||||
        if ping -q -c 1 -W 1 "${conf_ipaddress}" > /dev/null; then
 | 
			
		||||
          connect_status="connected, ping responded"
 | 
			
		||||
        else
 | 
			
		||||
          connect_status="connected, ping loss"
 | 
			
		||||
        fi
 | 
			
		||||
        clients_now+=$(printf "%s\n\r" "${conf_client_nm}_${conf_ipaddress}")
 | 
			
		||||
        if ! grep -q "${conf_client_nm}_${conf_ipaddress}" <<< "${counts_temp}"; then
 | 
			
		||||
          addtologs "client ${conf_client_nm} ${connect_status}"
 | 
			
		||||
          expandaddress
 | 
			
		||||
          if [ "${flagmail}" == "mail" ]; then
 | 
			
		||||
            startsendmail
 | 
			
		||||
          fi
 | 
			
		||||
        fi
 | 
			
		||||
      else
 | 
			
		||||
        connect_status="disconnected"
 | 
			
		||||
        if grep -q "${conf_client_nm}_${conf_ipaddress}" <<< "${counts_temp}"; then
 | 
			
		||||
          addtologs "client ${conf_client_nm} ${connect_status}"
 | 
			
		||||
        fi
 | 
			
		||||
      fi
 | 
			
		||||
    else
 | 
			
		||||
      connect_status="never connected"
 | 
			
		||||
    fi
 | 
			
		||||
  done <<< "$allowed_cfg"
 | 
			
		||||
  printf "%s\n" "total=${counter_now}=" > "${counts_file}"
 | 
			
		||||
  printf "%s\n" "${clients_now}" >> "${counts_file}"
 | 
			
		||||
else
 | 
			
		||||
  execerror "Restart this as root!"
 | 
			
		||||
fi
 | 
			
		||||
execquite
 | 
			
		||||
		Loading…
	
		Reference in New Issue
	
	Block a user