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add user authentication

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This commit is contained in:
guoew 2019-09-17 23:47:53 +08:00
parent 1c79a9603b
commit 37b54e1061
1 changed files with 50 additions and 1 deletions
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51
openvpn-install.sh
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@ -257,6 +257,49 @@ YdEIqUuyyOP7uWrat2DX9GgdT0Kj3jlN9K5W7edjcrsZCwenyO4KbXCeAvzhzffi
7MA0BM0oNC9hkXL+nOmFg/+OTxIy7vKBg8P+OxtMb61zO7X8vC7CIAXFjvGDfRaD
ssbzSibBsu/6iGtCOGEoXJf//////////wIBAg==
-----END DH PARAMETERS-----' > /etc/openvpn/server/dh.pem
# add checkpsw.sh
cat > /etc/openvpn/checkpsw.sh << 'EOF'
$ cat checkpsw.sh
#!/bin/sh
###########################################################
# checkpsw.sh (C) 2004 Mathias Sundman <mathias@openvpn.se>
#
# This script will authenticate OpenVPN users against
# a plain text file. The passfile should simply contain
# one row per user with the username first followed by
# one or more space(s) or tab(s) and then the password.
PASSFILE="/etc/openvpn/userfile.sh"
LOG_FILE="/etc/openvpn/openvpn-password.log"
TIME_STAMP=`date "+%Y-%m-%d %T"`
###########################################################
if [ ! -r "${PASSFILE}" ]; then
echo "${TIME_STAMP}: Could not open password file \"${PASSFILE}\" for reading." >> ${LOG_FILE}
exit 1
fi
CORRECT_PASSWORD=`awk '!/^;/&&!/^#/&&$1=="'${username}'"{print $2;exit}' ${PASSFILE}`
if [ "${CORRECT_PASSWORD}" = "" ]; then
echo "${TIME_STAMP}: User does not exist: username=\"${username}\", password=\"${password}\"." >> ${LOG_FILE}
exit 1
fi
if [ "${password}" = "${CORRECT_PASSWORD}" ]; then
echo "${TIME_STAMP}: Successful authentication: username=\"${username}\"." >> ${LOG_FILE}
exit 0
fi
echo "${TIME_STAMP}: Incorrect password: username=\"${username}\", password=\"${password}\"." >> ${LOG_FILE}
exit 1
EOF
chmod +x /etc/openvpn/checkpsw.sh
# add userfile.sh
touch /etc/openvpn/userfile.sh
chown nobody.nogroup /etc/openvpn/userfile.sh
# Generate server.conf
echo "port $PORT
proto $PROTOCOL
@ -313,7 +356,12 @@ persist-key
persist-tun
status openvpn-status.log
verb 3
crl-verify crl.pem" >> /etc/openvpn/server/server.conf
crl-verify crl.pem
auth-user-pass-verify /etc/openvpn/checkpsw.sh via-env
verify-client-cert
username-as-common-name
script-security 3
" >> /etc/openvpn/server/server.conf
# Enable net.ipv4.ip_forward for the system
echo 'net.ipv4.ip_forward=1' > /etc/sysctl.d/30-openvpn-forward.conf
# Enable without waiting for a reboot or service restart
@ -378,6 +426,7 @@ resolv-retry infinite
nobind
persist-key
persist-tun
auth-user-pass
remote-cert-tls server
auth SHA512
cipher AES-256-CBC