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centos-8-vpnweb.sh
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#!/bin/bash -e
sed -i "s/1024/3072 -b 1024 -d 1024 -i 1024/g" /usr/lib/systemd/system/haveged.service
systemctl daemon-reload && systemctl restart haveged && sudo systemctl restart sysstat
# Point us at the development environment.
tee --append /etc/hosts <<-EOF > /dev/null
192.168.221.246 api.centos.local
192.168.221.242 vpn.centos.local
192.168.221.242 242.vpn.centos.local
192.168.221.243 243.vpn.centos.local
192.168.221.244 244.vpn.centos.local
192.168.221.245 245.vpn.centos.local
EOF
dnf -q -y module enable go-toolset
dnf -q -y install jq git gcc curl make expect golang coreutils gnutls-utils python3-jinja2 python3-netaddr python3-yaml python3-six
[ -d $HOME/daemon ] && rm --force --recursive $HOME/daemon
cd $HOME && git clone https://github.com/lavabit/pahoehoe.git $HOME/daemon && cd $HOME/daemon && FILTER_BRANCH_SQUELCH_WARNING=1 git filter-branch --subdirectory-filter daemon
./configure && make install && cd $HOME
[ -d $HOME/vpnweb ] && rm --force --recursive $HOME/vpnweb
cd $HOME && git clone https://github.com/lavabit/pahoehoe.git $HOME/vpnweb && cd $HOME/vpnweb && FILTER_BRANCH_SQUELCH_WARNING=1 git filter-branch --subdirectory-filter vpnweb
[ -d /etc/vpnweb/ ] && rm --force --recursive /etc/vpnweb/
mkdir --parents /etc/vpnweb/public/
mkdir --parents /etc/vpnweb/public/1/
mkdir --parents /etc/vpnweb/public/3/
cat <<-EOF > /etc/default/vpnweb
VPNWEB_AUTH=anon
VPNWEB_PORT=443
VPNWEB_ADDRESS=192.168.221.246
VPNWEB_REDIRECT=https://lavabit.com/
VPNWEB_AUTH_SECRET="`mkpasswd -l 32 -d 6 -C 6 -s 0 -d 4`"
VPNWEB_API_PATH=/etc/vpnweb/public/
VPNWEB_PROVIDER_CA=/etc/vpnweb/ca-cert.pem
VPNWEB_TLSCRT=/etc/vpnweb/tls-cert.pem
VPNWEB_TLSKEY=/etc/vpnweb/tls-key.pem
VPNWEB_CACRT=/etc/vpnweb/ca-cert.pem
VPNWEB_CAKEY=/etc/vpnweb/ca-key.pem
EOF
cat <<-EOF > /etc/vpnweb/ca.cfg
organization = "Lavabit LLC"
unit = "Lavabit Developer Proxy"
state = "Texas"
country = US
email = "[email protected]"
cn = "centos.local"
dc = "centos.local"
serial = 001
activation_date = "2021-01-01 10:00:00"
expiration_date = "2031-12-31 23:59:59"
dns_name = "centos.local"
ca
signing_key
encryption_key
cert_signing_key
EOF
cat <<-EOF > /etc/vpnweb/tls-cert.cfg
organization = "Lavabit LLC"
unit = "Lavabit Developer Proxy"
state = "Texas"
country = US
email = "[email protected]"
cn = "api.centos.local"
dc = "centos.local"
serial = 002
activation_date = "2021-01-01 12:00:00"
expiration_date = "2031-12-31 12:00:00"
dns_name = "api.centos.local"
signing_key
encryption_key
tls_www_server
EOF
# CA
certtool --sec-param=ultra --generate-privkey --outfile /etc/vpnweb/ca-key.pem
certtool --sec-param=ultra --generate-self-signed --load-privkey /etc/vpnweb/ca-key.pem --outfile /etc/vpnweb/ca-cert.pem --template /etc/vpnweb/ca.cfg
# TLS
certtool --sec-param=ultra --generate-privkey --outfile /etc/vpnweb/tls-key.pem --template /etc/vpnweb/tls-cert.cfg
certtool --sec-param=ultra --generate-request --load-privkey /etc/vpnweb/tls-key.pem --outfile /etc/vpnweb/tls-request.pem --template /etc/vpnweb/tls-cert.cfg
certtool --sec-param=ultra --generate-certificate --load-request=/etc/vpnweb/tls-request.pem --load-privkey /etc/vpnweb/tls-key.pem --outfile /etc/vpnweb/tls-cert.pem \
--load-ca-certificate /etc/vpnweb/ca-cert.pem --load-ca-privkey /etc/vpnweb/ca-key.pem --template /etc/vpnweb/tls-cert.cfg
rm --force /etc/vpnweb/ca.cfg
rm --force /etc/vpnweb/tls-cert.cfg
rm --force /etc/vpnweb/tls-request.pem
export FINGERPRINT="`certtool --certificate-info --infile /etc/vpnweb/ca-cert.pem | grep 'sha256:' | head -1 | tr -d '[:space:]' | awk -F':' '{print $2}'`"
cat <<-EOF > /etc/vpnweb/provider.yaml
auth: anon
openvpn:
- auth: SHA256
- cipher: AES-256-GCM
- keepalive: "10 30"
- tls-cipher: TLS-ECDHE-RSA-WITH-AES-256-GCM-SHA384
- tun-ipv6: true
- dev: tun
- sndbuf: 0
- rcvbuf: 0
- nobind: true
- persist-key: true
- key-direction: 1
locations:
- Dallas:
- name: Dallas
- country_code: US
- hemisphere: N
- timezone: -6
gateways:
- 242.vpn.centos.local:
- host: 242.vpn.centos.local
- ip_address: 192.168.221.242
- location: Dallas
- transports:
- [ "openvpn", "tcp", "443"]
- 243.vpn.centos.local:
- host: 243.vpn.centos.local
- ip_address: 192.168.221.243
- location: Dallas
- transports:
- [ "openvpn", "tcp", "443"]
- 244.vpn.centos.local:
- host: 244.vpn.centos.local
- ip_address: 192.168.221.244
- location: Dallas
- transports:
- [ "openvpn", "tcp", "443"]
- 245.vpn.centos.local:
- host: 245.vpn.centos.local
- ip_address: 192.168.221.245
- location: Dallas
- transports:
- [ "openvpn", "tcp", "443"]
provider:
- name: "CentOS Test Proxy"
- description: "CentOS Test Proxy"
- domain: centos.local
- api_uri: api.centos.local
- fingerprint: "SHA256: $FINGERPRINT"
EOF
cat <<-EOF > /etc/vpnweb/public/geoip.json
{
"ip": "192.168.221.246",
"cc": "US",
"city": "Dallas",
"lat": 32.776,
"lon": -97.822,
"gateways": [
"242.vpn.centos.local",
"243.vpn.centos.local",
"244.vpn.centos.local",
"245.vpn.centos.local"
]
}
EOF
cat <<-EOF > /etc/vpnweb/public/1/service.json
{
"name": "anonymous",
"description": "anonymous access to the VPN",
"eip_rate_limit": false
}
EOF
cat <<-EOF > /etc/vpnweb/public/1/configs.json
{
"services": {
"eip": "/1/configs/eip-service.json"
}
}
EOF
cat <<-EOF > /etc/vpnweb/public/3/service.json
{
"name": "anonymous",
"description": "anonymous access to the VPN",
"eip_rate_limit": false
}
EOF
cat <<-EOF > /etc/vpnweb/public/3/configs.json
{
"services": {
"eip": "/3/configs/eip-service.json"
}
}
EOF
GOPATH=$HOME/vpnweb/.go/ go build -a
# $HOME/vpnweb/scripts/gen-shapeshifter-state.py /etc/vpnweb/shapeshifter-state/
# python3 $HOME/vpnweb/scripts/simplevpn.py --file=eip --config=/etc/vpnweb/provider.yaml --template=$HOME/vpnweb/scripts/templates/eip-service.1.json.jinja --obfs4_state=/etc/vpnweb/shapeshifter-state/ | jq -M '.' > /etc/vpnweb/public/1/eip-service.json || echo "ERROR: see /etc/vpnweb/public/1/eip-service.json for output"
# python3 $HOME/vpnweb/scripts/simplevpn.py --file=eip --config=/etc/vpnweb/provider.yaml --template=$HOME/vpnweb/scripts/templates/eip-service.3.json.jinja --obfs4_state=/etc/vpnweb/shapeshifter-state/ | jq -M '.' > /etc/vpnweb/public/3/eip-service.json || echo "ERROR: see /etc/vpnweb/public/3/eip-service.json for output"
python3 $HOME/vpnweb/scripts/simplevpn.py --file=eip --config=/etc/vpnweb/provider.yaml --template=$HOME/vpnweb/scripts/templates/eip-service.1.json.jinja | jq -M '.' > /etc/vpnweb/public/1/eip-service.json || echo "ERROR: see /etc/vpnweb/public/1/eip-service.json for output"
python3 $HOME/vpnweb/scripts/simplevpn.py --file=eip --config=/etc/vpnweb/provider.yaml --template=$HOME/vpnweb/scripts/templates/eip-service.3.json.jinja | jq -M '.' > /etc/vpnweb/public/3/eip-service.json || echo "ERROR: see /etc/vpnweb/public/3/eip-service.json for output"
python3 $HOME/vpnweb/scripts/simplevpn.py --file=provider --config=/etc/vpnweb/provider.yaml --template=$HOME/vpnweb/scripts/templates/provider.json.jinja | jq -M '.' > /etc/vpnweb/public/provider.json || echo "ERROR: see /etc/vpnweb/provider.json for output"
# Kill any existing vpnweb processes and install the new binary.
[ -d /run/vpnweb/ ] && [ -f /run/vpnweb/vpnweb.pid ] && /usr/bin/pkill --pidfile /run/vpnweb/vpnweb.pid
# Create the user, if necessary.
id vpnweb &> /dev/null || adduser --system --shell /sbin/nologin --home-dir /etc/vpnweb/ --no-create-home vpnweb
# Ensure the vpnweb user can access the vpnweb config path.
chown -R vpnweb:vpnweb /etc/vpnweb/
# Setup the pidfile directory.
cat <<-EOF > /usr/lib/tmpfiles.d/vpnweb.conf
D /run/vpnweb 0700 vpnweb vpnweb
EOF
chcon system_u:object_r:lib_t:s0 /usr/lib/tmpfiles.d/vpnweb.conf
[ ! -d /run/vpnweb/ ] && systemd-tmpfiles --create /usr/lib/tmpfiles.d/vpnweb.conf
# Install the binary and the systemd unit file.
install -m 755 $HOME/vpnweb/vpnweb /usr/local/bin/ && setcap 'cap_net_bind_service=+ep' /usr/local/bin/vpnweb
cat <<-EOF > /usr/lib/systemd/system/vpnweb.service
[Unit]
Description=vpnweb
After=network-online.target
Wants=network-online.target
[Service]
Type=simple
User=vpnweb
Group=vpnweb
EnvironmentFile=/etc/default/vpnweb
ExecStart=/usr/local/bin/daemon --inherit --pidfile=/run/vpnweb/vpnweb.pid -- /usr/local/bin/vpnweb -tls=true
ExecStop=bash -c '/usr/bin/test -f /run/vpnweb/vpnweb.pid && /usr/bin/pkill --pidfile /run/vpnweb/vpnweb.pid || echo noop > /dev/null'
ExecReload=bash -c '/usr/bin/test -f /run/vpnweb/vpnweb.pid && /usr/bin/pkill --signal HUP --pidfile /run/vpnweb/vpnweb.pid || echo noop > /dev/null'
LimitNOFILE=65535
# Hardening
ProtectHome=yes
PrivateTmp=yes
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
[Install]
WantedBy=multi-user.target
EOF
chcon system_u:object_r:systemd_unit_file_t:s0 /usr/lib/systemd/system/vpnweb.service
systemctl daemon-reload
systemctl enable vpnweb.service && systemctl start vpnweb.service
echo "VPN web service installed."
echo "Starting unit tests."
sleep 10
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/ca.crt || { echo "https://api.centos.local/ca.crt failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/provider.json || { echo "https://api.centos.local/provider.json failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/1/cert || { echo "https://api.centos.local/1/cert failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/1/ca.crt || { echo "https://api.centos.local/1/ca.crt failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/1/configs.json || { echo "https://api.centos.local/1/configs.json failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/1/service.json || { echo "https://api.centos.local/1/service.json failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/1/config/eip-service.json || { echo "https://api.centos.local/1/config/eip-service.json failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/3/cert || { echo "https://api.centos.local/3/cert failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/3/ca.crt || { echo "https://api.centos.local/3/ca.crt failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/3/configs.json || { echo "https://api.centos.local/3/configs.json failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/3/service.json || { echo "https://api.centos.local/3/service.json failed ..." ; exit 1 ; }
curl --fail --silent --show-error --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/3/config/eip-service.json || { echo "https://api.centos.local/3/config/eip-service.json failed ..." ; exit 1 ; }
curl --fail --silent --show-error --insecure --location --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/ || { echo "https://api.centos.local/ redirection failed ..." ; exit 1 ; }
curl --fail --silent --show-error --insecure --location --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem https://api.centos.local/$RANDOM || { echo "https://api.centos.local/RANDOM redirection failed ..." ; exit 1 ; }
for i in {1..100}; do
URL="`cat /dev/urandom | tr -dc '[:alnum:]\#\\\/\.\-\_' | fold -w 32 | head -n 1`"
curl --fail --silent --show-error --globoff --insecure --location --retry 10 --retry-delay 10 --max-time 300 --connect-timeout 300 --output /dev/null --cacert /etc/vpnweb/ca-cert.pem "https://api.centos.local/${URL}" || { echo "https://api.centos.local/${URL} redirection failed" ; exit 1 ; }
done
echo "Unit tests completed."
# Cleanup.
rm --force --recursive $HOME/go/ $HOME/.cache/ $HOME/vpnweb/ $HOME/daemon/
dnf -q -y module disable go-toolset && dnf -q -y remove jq git gcc make golang expect gnutls-utils python3-jinja2 python3-netaddr python3-yaml patch