Add -E flag for adding extra client config

This commit is contained in:
Ryan Schlesinger 2017-02-18 13:53:35 -08:00
parent 47de917de5
commit e282e1eed0
No known key found for this signature in database
GPG Key ID: BD9E30D205AB53BA
2 changed files with 59 additions and 2 deletions

View File

@ -7,6 +7,7 @@
TMP_PUSH_CONFIGFILE=$(mktemp -t vpn_push.XXXXXXX)
TMP_ROUTE_CONFIGFILE=$(mktemp -t vpn_route.XXXXXXX)
TMP_EXTRA_CONFIGFILE=$(mktemp -t vpn_extra.XXXXXXX)
TMP_EXTRA_CLIENT_CONFIGFILE=$(mktemp -t vpn_extra_client.XXXXXXX)
#Traceback on Error and Exit come from https://docwhat.org/tracebacks-in-bash/
set -eu
@ -45,6 +46,7 @@ on_exit() {
rm -f $TMP_PUSH_CONFIGFILE
rm -f $TMP_ROUTE_CONFIGFILE
rm -f $TMP_EXTRA_CONFIGFILE
rm -f $TMP_EXTRA_CLIENT_CONFIGFILE
local _ec="$?"
if [[ $_ec != 0 && "${_showed_traceback}" != t ]]; then
traceback 1
@ -83,6 +85,7 @@ usage() {
echo "usage: $0 [-d]"
echo " -u SERVER_PUBLIC_URL"
echo " [-e EXTRA_SERVER_CONFIG ]"
echo " [-E EXTRA_CLIENT_CONFIG ]"
echo " [-f FRAGMENT ]"
echo " [-n DNS_SERVER ...]"
echo " [-p PUSH ...]"
@ -127,6 +130,13 @@ process_extra_config() {
}
process_extra_client_config() {
local ovpn_extra_config=''
ovpn_extra_config="$1"
echo "Processing Extra Client Config: '${ovpn_extra_config}'"
[[ -n "$ovpn_extra_config" ]] && echo "$ovpn_extra_config" >> "$TMP_EXTRA_CLIENT_CONFIGFILE"
}
if [ "${DEBUG:-}" == "1" ]; then
set -x
fi
@ -159,7 +169,7 @@ CUSTOM_ROUTE_CONFIG=''
[ -r "$OVPN_ENV" ] && source "$OVPN_ENV"
# Parse arguments
while getopts ":a:e:C:T:r:s:du:cp:n:DNmf:tz2" opt; do
while getopts ":a:e:E:C:T:r:s:du:cp:n:DNmf:tz2" opt; do
case $opt in
a)
OVPN_AUTH="$OPTARG"
@ -167,6 +177,9 @@ while getopts ":a:e:C:T:r:s:du:cp:n:DNmf:tz2" opt; do
e)
process_extra_config "$OPTARG"
;;
E)
process_extra_client_config "$OPTARG"
;;
C)
OVPN_CIPHER="$OPTARG"
;;
@ -254,6 +267,9 @@ fi
[ -z "$OVPN_PORT" ] && OVPN_PORT=1194
[ -z "$CUSTOM_ROUTE_CONFIG" ] && process_route_config "192.168.254.0/24"
# Save extra client config
OVPN_ADDITIONAL_CLIENT_CONFIG=$(cat $TMP_EXTRA_CLIENT_CONFIGFILE)
export OVPN_SERVER OVPN_ROUTES OVPN_DEFROUTE
export OVPN_SERVER_URL OVPN_ENV OVPN_PROTO OVPN_CN OVPN_PORT
export OVPN_CLIENT_TO_CLIENT OVPN_PUSH OVPN_NAT OVPN_DNS OVPN_MTU OVPN_DEVICE
@ -261,6 +277,7 @@ export OVPN_TLS_CIPHER OVPN_CIPHER OVPN_AUTH
export OVPN_COMP_LZO
export OVPN_OTP_AUTH
export OVPN_FRAGMENT
export OVPN_ADDITIONAL_CLIENT_CONFIG
# Preserve config
if [ -f "$OVPN_ENV" ]; then
@ -268,7 +285,18 @@ if [ -f "$OVPN_ENV" ]; then
echo "Backing up $OVPN_ENV -> $bak_env"
mv "$OVPN_ENV" "$bak_env"
fi
export | grep OVPN_ > "$OVPN_ENV"
# Like `export | grep OVPN_ > "$OVPN_ENV"` but handles multiline variables
set +u
while read var ; do
eval value=\$$var
if [ -n "$value" ]; then
echo "declare -x $var=\"$value\"" >> "$OVPN_ENV"
else
echo "declare -x $var" >> "$OVPN_ENV"
fi
done < <(export | egrep -o '(OVPN_[^=]+)')
set -u
conf=${OPENVPN:-}/openvpn.conf
if [ -f "$conf" ]; then

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@ -163,3 +163,32 @@ then
else
abort "==> Config match not found: $CONFIG_REQUIRED_ROUTE_2 != $CONFIG_MATCH_ROUTE_2"
fi
# Test generated client config
# gen udp client with tcp fallback
ovpn_genconfig -u udp://$SERV_IP -E "remote $SERV_IP 443 tcp" -E "remote vpn.example.com 443 tcp"
# nopass is insecure
EASYRSA_BATCH=1 EASYRSA_REQ_CN="Travis-CI Test CA" ovpn_initpki nopass
easyrsa build-client-full client-fallback nopass
ovpn_getclient client-fallback | tee /etc/openvpn/config-fallback.ovpn
CONFIG_REQUIRED_TCP_REMOTE="^remote $SERV_IP 443 tcp"
CONFIG_MATCH_TCP_REMOTE=$(busybox grep "remote $SERV_IP 443 tcp" /etc/openvpn/config-fallback.ovpn)
CONFIG_REQUIRED_TCP_REMOTE_2="^remote vpn.example.com 443 tcp"
CONFIG_MATCH_TCP_REMOTE_2=$(busybox grep "remote vpn.example.com 443 tcp" /etc/openvpn/config-fallback.ovpn)
if [[ $CONFIG_MATCH_TCP_REMOTE =~ $CONFIG_REQUIRED_TCP_REMOTE ]]
then
echo "==> Config match found: $CONFIG_REQUIRED_TCP_REMOTE == $CONFIG_MATCH_TCP_REMOTE"
else
abort "==> Config match not found: $CONFIG_REQUIRED_TCP_REMOTE != $CONFIG_MATCH_TCP_REMOTE"
fi
if [[ $CONFIG_MATCH_TCP_REMOTE_2 =~ $CONFIG_REQUIRED_TCP_REMOTE_2 ]]
then
echo "==> Config match found: $CONFIG_REQUIRED_TCP_REMOTE_2 == $CONFIG_MATCH_TCP_REMOTE_2"
else
abort "==> Config match not found: $CONFIG_REQUIRED_TCP_REMOTE_2 != $CONFIG_MATCH_TCP_REMOTE_2"
fi