moved to ovpn and wireguard management
This commit is contained in:
parent
349e6eec75
commit
ee57b3af58
255
README.md
255
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)
|
* [`confutil`.py](https://git.hmp.today/pavel.muhortov/utils#confutil-py)
|
||||||
* [`sendmail`.py](https://git.hmp.today/pavel.muhortov/utils#sendmail-py)
|
* [`sendmail`.py](https://git.hmp.today/pavel.muhortov/utils#sendmail-py)
|
||||||
* [`simplewc`.py](https://git.hmp.today/pavel.muhortov/utils#simplewc-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)
|
|
||||||
|
|
||||||
____
|
____
|
||||||
|
|
||||||
|
|
@ -156,17 +151,22 @@ ____
|
||||||
|**[--file]**|mail attachment files|`None`|
|
|**[--file]**|mail attachment files|`None`|
|
||||||
|**[--time]**|minutes of attempts to send|3|
|
|**[--time]**|minutes of attempts to send|3|
|
||||||
|
|
||||||
Example usage in terminal with Python:
|
Example usage in terminal:
|
||||||
|
|
||||||
```bash
|
```bash
|
||||||
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
|
```bash
|
||||||
chmod u+x ./sendmail.py
|
# example 2
|
||||||
./sendmail.py -u user@gmail.com -p pass -d addr1@gmail.com,addr2@gmail.com
|
/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:
|
Example usage in Python:
|
||||||
|
|
@ -221,238 +221,3 @@ chmod u+x ./simplewc.py
|
||||||
./simplewc.py --domain EXAMPLE.COM --server 8.8.8.8 --keyname KEY --keydata YOU_KEY_CONTENT --test --force
|
./simplewc.py --domain EXAMPLE.COM --server 8.8.8.8 --keyname KEY --keydata YOU_KEY_CONTENT --test --force
|
||||||
./simplewc.py --domain EXAMPLE.COM --server dyn.dns.he.net --keyname - --keydata YOU_DDNSKEY --test --force
|
./simplewc.py --domain EXAMPLE.COM --server dyn.dns.he.net --keyname - --keydata YOU_DDNSKEY --test --force
|
||||||
```
|
```
|
||||||
|
|
||||||
____
|
|
||||||
|
|
||||||
## `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
|
|
||||||
```
|
|
||||||
|
|
|
||||||
|
|
@ -1,149 +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