allanger/container-openvpn
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Allow to change security related options tls-cipher, cipher and auth.

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This commit is contained in:
Robin Schneider
2015-08-26 12:43:25 +02:00
parent 15ac3c89b0
commit d6209eebc2
3 changed files with 53 additions and 1 deletions
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21
bin/ovpn_genconfig
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@ -45,6 +45,9 @@ usage() {
echo " -N Configure NAT to access external server network"
echo " -m Set client MTU"
echo " -t Use TAP device (instead of TUN device)"
echo " -T Encrypt packets with the given cipher algorithm instead of the default one (tls-cipher)."
echo " -C A list of allowable TLS ciphers delimited by a colon (cipher)."
echo " -a Authenticate packets with HMAC using the given message digest algorithm (auth)."
}
if [ "$DEBUG" == "1" ]; then
@ -64,13 +67,25 @@ OVPN_ROUTES=()
TMP_ROUTES=()
OVPN_PUSH=()
TMP_PUSH=()
OVPN_TLS_CIPHER=''
OVPN_CIPHER=''
OVPN_AUTH=''
# Import defaults if present
[ -r "$OVPN_ENV" ] && source "$OVPN_ENV"
# Parse arguments
while getopts ":r:s:du:cp:DNm:t" opt; do
while getopts ":a:C:T:r:s:du:cp:DNm:t" opt; do
case $opt in
a)
OVPN_AUTH="$OPTARG"
;;
C)
OVPN_CIPHER="$OPTARG"
;;
T)
OVPN_TLS_CIPHER="$OPTARG"
;;
r)
TMP_ROUTES+=("$OPTARG")
;;
@ -142,6 +157,7 @@ fi
export OVPN_SERVER OVPN_ROUTES OVPN_DEFROUTE
export OVPN_SERVER_URL OVPN_ENV OVPN_PROTO OVPN_CN OVPN_PORT
export OVPN_CLIENT_TO_CLIENT OVPN_PUSH OVPN_NAT OVPN_DNS OVPN_MTU OVPN_DEVICE
export OVPN_TLS_CIPHER OVPN_CIPHER OVPN_AUTH
# Preserve config
if [ -f "$OVPN_ENV" ]; then
@ -181,6 +197,9 @@ user nobody
group nogroup
EOF
[ -n "$OVPN_TLS_CIPHER" ] && echo "tls-cipher $OVPN_TLS_CIPHER" >> "$conf"
[ -n "$OVPN_CIPHER" ] && echo "cipher $OVPN_CIPHER" >> "$conf"
[ -n "$OVPN_AUTH" ] && echo "auth $OVPN_AUTH" >> "$conf"
[ -n "$OVPN_CLIENT_TO_CLIENT" ] && echo "client-to-client" >> "$conf"
[ "$OVPN_DNS" == "1" ] && echo push "dhcp-option DNS 8.8.4.4" >> "$conf"