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Merge pull request #95 from redfast00/cleanup

Browse source 
Sanitization 'n input validation
This commit is contained in:
0-kaladin 2016-10-08 14:13:37 -04:00 committed by GitHub
commit 6be0b09b00
3 changed files with 139 additions and 111 deletions
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24
scripts/listOVPN.sh
View file

@ -3,9 +3,8 @@
INDEX="/etc/openvpn/easy-rsa/keys/index.txt"
printf "\n"
if [ ! -f $INDEX ]; then
printf "The file: $INDEX \n"
printf "Was not Found!\n"
if [ ! -f "$INDEX" ]; then
echo "The file: $INDEX was not found!"
exit 1
fi
@ -14,18 +13,15 @@ printf "\n"
printf "\e[1m::: Certificate Status List :::\e[0m\n"
printf " ::\e[4m Status \e[0m||\e[4m Name \e[0m:: \n"
while read -r line || [[ -n "$line" ]]; do
status=$(echo $line | awk '{print $1}')
var=$(echo $line | sed -e 's/^.*CN=\([^/]*\)\/.*/\1/')
if [[ $status = "V" ]]; then
printf " Valid :: "
printf " $var\n"
elif [[ $status = "R" ]]; then
printf " Revoked :: "
printf " $var\n"
while read -r line || [ -n "$line" ]; do
STATUS=$(echo "$line" | awk '{print $1}')
NAME=$(echo "$line" | sed -e 's/^.*CN=\([^/]*\)\/.*/\1/')
if [ "$STATUS" = "V" ]; then
printf " Valid :: %s\n" "$NAME"
elif [ "$STATUS" = "R" ]; then
printf " Revoked :: %s\n" "$NAME"
else
printf " Unknown :: \n"
printf " $var\n"
printf " Unknown :: %s\n" "$NAME"
fi
done <$INDEX
printf "\n"

187
scripts/makeOVPN.sh
View file

@ -1,13 +1,14 @@
#!/bin/bash
# Create OVPN Client
# Default Variable Declarations
DEFAULT="Default.txt"
FILEEXT=".ovpn"
CRT=".crt"
#!/bin/bash
# Create OVPN Client
# Default Variable Declarations
DEFAULT="Default.txt"
FILEEXT=".ovpn"
CRT=".crt"
OKEY=".key"
KEY=".3des.key"
CA="ca.crt"
TA="ta.key"
KEY=".3des.key"
CA="ca.crt"
TA="ta.key"
INDEX="/etc/openvpn/easy-rsa/keys/index.txt"
INSTALL_USER=$(cat /etc/pivpn/INSTALL_USER)
# Functions def
@ -19,7 +20,7 @@ function keynoPASS() {
#Build the client key
expect << EOF
spawn ./build-key $NAME
spawn ./build-key "$NAME"
expect "Country Name" { send "\r" }
expect "State or Province Name" { send "\r" }
expect "Locality Name" { send "\r" }
@ -35,7 +36,7 @@ function keynoPASS() {
expect eof
EOF
cd keys
cd keys || exit
}
@ -44,21 +45,32 @@ function keyPASS() {
stty -echo
while true
do
printf "Enter the password for the Client: "
read PASSWD
printf "Enter the password for the client: "
read -r PASSWD
printf "\n"
printf "Enter the password again to verify: "
read PASSWD2
read -r PASSWD2
printf "\n"
[ "$PASSWD" = "$PASSWD2" ] && break
printf "Passwords do not match! Please try again.\n"
done
stty echo
if [[ -z "$PASSWD" ]]; then
echo "You left the password blank"
echo "If you don't want a password, please run:"
echo "pivpn add nopass"
exit 1
fi
if [ ${#PASSWD} -lt 4 ] || [ ${#PASSWD} -gt 1024 ]
then
echo "Password must be between from 4 to 1024 characters"
exit 1
fi
#Build the client key and then encrypt the key
expect << EOF
spawn ./build-key-pass $NAME
spawn ./build-key-pass "$NAME"
expect "Enter PEM pass phrase" { send "$PASSWD\r" }
expect "Verifying - Enter PEM pass phrase" { send "$PASSWD\r" }
expect "Country Name" { send "\r" }
@ -76,10 +88,10 @@ function keyPASS() {
expect eof
EOF
cd keys
cd keys || exit
expect << EOF
spawn openssl rsa -in $NAME$OKEY -des3 -out $NAME$KEY
spawn openssl rsa -in "$NAME$OKEY" -des3 -out "$NAME$KEY"
expect "Enter pass phrase for" { send "$PASSWD\r" }
expect "Enter PEM pass phrase" { send "$PASSWD\r" }
expect "Verifying - Enter PEM pass" { send "$PASSWD\r" }
@ -88,14 +100,33 @@ EOF
}
printf "Enter a Name for the Client: "
read NAME
read -r NAME
if [[ -z "$NAME" ]]; then
printf '%s\n' "::: You can not leave this blank!"
if [[ "$NAME" =~ [^a-zA-Z0-9] ]]; then
echo "Name can only contain alphanumeric characters"
exit 1
fi
cd /etc/openvpn/easy-rsa
if [[ -z "$NAME" ]]; then
echo "You cannot leave the name blank"
exit 1
fi
# Check if name is already in use
while read -r line || [ -n "$line" ]; do
if [ "$(echo "$line" | sed -e 's/^.*CN=\([^/]*\)\/.*/\1/')" = "$NAME" ]; then
echo "Name is already in use"
exit 1
fi
done <$INDEX
# Check if name is reserved
if [ "$NAME" = "ta" ] || [ "$NAME" = "server" ] || [ "$NAME" = "ca" ]; then
echo "Sorry, this name is unavailable, please choose another one"
exit 1
fi
cd /etc/openvpn/easy-rsa || exit
source /etc/openvpn/easy-rsa/vars
if [[ "$@" =~ "nopass" ]]; then
@ -103,66 +134,68 @@ if [[ "$@" =~ "nopass" ]]; then
else
keyPASS
fi
#1st Verify that clients Public Key Exists
if [ ! -f $NAME$CRT ]; then
echo "[ERROR]: Client Public Key Certificate not found: $NAME$CRT"
exit
fi
echo "Client's cert found: $NAME$CRT"
#Then, verify that there is a private key for that client
if [ ! -f $NAME$KEY ]; then
echo "[ERROR]: Client 3des Private Key not found: $NAME$KEY"
exit
fi
#1st Verify that clients Public Key Exists
if [ ! -f "$NAME$CRT" ]; then
echo "[ERROR]: Client Public Key Certificate not found: $NAME$CRT"
exit
fi
echo "Client's cert found: $NAME$CRT"
#Then, verify that there is a private key for that client
if [ ! -f "$NAME$KEY" ]; then
echo "[ERROR]: Client 3des Private Key not found: $NAME$KEY"
exit
fi
echo "Client's Private Key found: $NAME$KEY"
#Confirm the CA public key exists
if [ ! -f $CA ]; then
echo "[ERROR]: CA Public Key not found: $CA"
exit
fi
echo "CA public Key found: $CA"
#Confirm the tls-auth ta key file exists
if [ ! -f $TA ]; then
echo "[ERROR]: tls-auth Key not found: $TA"
exit
fi
echo "tls-auth Private Key found: $TA"
#Ready to make a new .ovpn file - Start by populating with the
#default file
cat $DEFAULT > $NAME$FILEEXT
#Now, append the CA Public Cert
echo "<ca>" >> $NAME$FILEEXT
cat $CA >> $NAME$FILEEXT
echo "</ca>" >> $NAME$FILEEXT
#Next append the client Public Cert
echo "<cert>" >> $NAME$FILEEXT
cat $NAME$CRT | sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' >> $NAME$FILEEXT
echo "</cert>" >> $NAME$FILEEXT
#Then, append the client Private Key
echo "<key>" >> $NAME$FILEEXT
cat $NAME$KEY >> $NAME$FILEEXT
echo "</key>" >> $NAME$FILEEXT
#Finally, append the TA Private Key
echo "<tls-auth>" >> $NAME$FILEEXT
cat $TA >> $NAME$FILEEXT
echo "</tls-auth>" >> $NAME$FILEEXT
#Confirm the CA public key exists
if [ ! -f "$CA" ]; then
echo "[ERROR]: CA Public Key not found: $CA"
exit
fi
echo "CA public Key found: $CA"
#Confirm the tls-auth ta key file exists
if [ ! -f "$TA" ]; then
echo "[ERROR]: tls-auth Key not found: $TA"
exit
fi
echo "tls-auth Private Key found: $TA"
#Ready to make a new .ovpn file
{
# Start by populating with the default file
cat "$DEFAULT"
#Now, append the CA Public Cert
echo "<ca>"
cat "$CA"
echo "</ca>"
#Next append the client Public Cert
echo "<cert>"
sed -ne '/-BEGIN CERTIFICATE-/,/-END CERTIFICATE-/p' < "$NAME$CRT"
echo "</cert>"
#Then, append the client Private Key
echo "<key>"
cat "$NAME$KEY"
echo "</key>"
#Finally, append the TA Private Key
echo "<tls-auth>"
cat "$TA"
echo "</tls-auth>"
} > "$NAME$FILEEXT"
# Copy the .ovpn profile to the home directory for convenient remote access
cp /etc/openvpn/easy-rsa/keys/$NAME$FILEEXT /home/$INSTALL_USER/ovpns/$NAME$FILEEXT
chown $INSTALL_USER /home/$INSTALL_USER/ovpns/$NAME$FILEEXT
cp "/etc/openvpn/easy-rsa/keys/$NAME$FILEEXT" "/home/$INSTALL_USER/ovpns/$NAME$FILEEXT"
chown "$INSTALL_USER" "/home/$INSTALL_USER/ovpns/$NAME$FILEEXT"
printf "\n\n"
printf "========================================================\n"
printf "\e[1mDone! $NAME$FILEEXT successfully created!\e[0m \n"
printf "$NAME$FILEEXT was copied to:\n"
printf " /home/$INSTALL_USER/ovpns\n"
printf "\e[1mDone! %s successfully created!\e[0m \n" "$NAME$FILEEXT"
printf "%s was copied to:\n" "$NAME$FILEEXT"
printf " /home/%s/ovpns\n" "$INSTALL_USER"
printf "for easy transfer.\n"
printf "========================================================\n\n"

39
scripts/removeOVPN.sh
View file

@ -6,9 +6,8 @@ REVOKE_STATUS=$(cat /etc/pivpn/REVOKE_STATUS)
PLAT=$(cat /etc/pivpn/DET_PLATFORM)
INDEX="/etc/openvpn/easy-rsa/keys/index.txt"
if [ ! -f $INDEX ]; then
printf "The file: $INDEX \n"
printf "Was not Found!\n"
if [ ! -f "$INDEX" ]; then
printf "The file: %s was not found\n" "$INDEX"
exit 1
fi
@ -16,49 +15,49 @@ printf "\n"
printf " ::\e[4m Certificate List \e[0m:: \n"
i=0
while read -r line || [[ -n "$line" ]]; do
status=$(echo $line | awk '{print $1}')
if [[ $status = "V" ]]; then
var=$(echo $line | sed -e 's/^.*CN=\([^/]*\)\/.*/\1/')
certs[$i]=$var
while read -r line || [ -n "$line" ]; do
STATUS=$(echo "$line" | awk '{print $1}')
if [[ "$STATUS" = "V" ]]; then
NAME=$(echo "$line" | sed -e 's/^.*CN=\([^/]*\)\/.*/\1/')
CERTS[$i]=$NAME
if [ "$i" != 0 ]; then
printf " $var\n"
# Prevent printing "server" certificate
printf " %s\n" "$NAME"
fi
let i=i+1
y=$i
fi
done <$INDEX
printf "\n"
echo "::: Please enter the Name of the client to be revoked from the list above:"
read NAME
read -r NAME
if [[ -z "$NAME" ]]; then
printf '%s\n' "::: You can not leave this blank!"
echo "::: You can not leave this blank!"
exit 1
fi
for((x=1;x<=$y;++x)); do
if [[ ${certs[$x]} = ${NAME} ]]; then
Valid=1
for((x=1;x<=i;++x)); do
if [ "${CERTS[$x]}" = "${NAME}" ]; then
VALID=1
fi
done
if [[ -z "$Valid" ]]; then
if [ -z "$VALID" ]; then
printf "::: You didn't enter a valid cert name!\n"
exit 1
fi
cd /etc/openvpn/easy-rsa
cd /etc/openvpn/easy-rsa || exit
source /etc/openvpn/easy-rsa/vars
./revoke-full $NAME
./revoke-full "$NAME"
echo "::: Certificate revoked, removing ovpns from /home/$INSTALL_USER/ovpns"
rm /home/$INSTALL_USER/ovpns/$NAME.ovpn
rm "/home/$INSTALL_USER/ovpns/$NAME.ovpn"
cp /etc/openvpn/easy-rsa/keys/crl.pem /etc/openvpn/crl.pem
echo "::: Completed!"
if [ $REVOKE_STATUS == 0 ]; then
if [ "$REVOKE_STATUS" == 0 ]; then
echo 1 > /etc/pivpn/REVOKE_STATUS
printf "\nThis seems to be the first time you have revoked a cert.\n"
printf "We are adding the CRL to the server.conf and restarting openvpn.\n"