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Improve defining VPN variables

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This commit is contained in:
hwdsl2 2016-06-01 21:16:15 -05:00
parent 003ccc4445
commit 3e1ea78f15
2 changed files with 22 additions and 14 deletions
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18
vpnsetup.sh
View File

@ -19,12 +19,12 @@
# Define your own values for these variables
# - IPsec pre-shared key, VPN username and password
# - All values MUST be quoted using 'single quotes'
# - All values MUST be placed inside 'single quotes'
# - DO NOT use these characters within values: \ " '
VPN_IPSEC_PSK=$VPN_IPSEC_PSK
VPN_USER=$VPN_USER
VPN_PASSWORD=$VPN_PASSWORD
VPN_IPSEC_PSK=${VPN_IPSEC_PSK:-'your_ipsec_psk'}
VPN_USER=${VPN_USER:-'your_vpn_username'}
VPN_PASSWORD=${VPN_PASSWORD:-'your_vpn_password'}
# Important Notes: https://git.io/vpnnotes
# Setup VPN Clients: https://git.io/vpnclients
@ -65,6 +65,10 @@ EOF
exit 1
fi
[ "$VPN_IPSEC_PSK" = "your_ipsec_psk" ] && VPN_IPSEC_PSK=''
[ "$VPN_USER" = "your_vpn_username" ] && VPN_USER=''
[ "$VPN_PASSWORD" = "your_vpn_password" ] && VPN_PASSWORD=''
if [ -z "$VPN_IPSEC_PSK" ] && [ -z "$VPN_USER" ] && [ -z "$VPN_PASSWORD" ]; then
VPN_IPSEC_PSK="$(< /dev/urandom tr -dc 'A-HJ-NPR-Za-km-z2-9' | head -c 16)"
VPN_USER=vpnuser
@ -72,7 +76,7 @@ if [ -z "$VPN_IPSEC_PSK" ] && [ -z "$VPN_USER" ] && [ -z "$VPN_PASSWORD" ]; then
fi
if [ -z "$VPN_IPSEC_PSK" ] || [ -z "$VPN_USER" ] || [ -z "$VPN_PASSWORD" ]; then
echo "VPN credentials cannot be empty. Edit the script and re-enter them."
echo "VPN credentials must be specified. Edit the script and re-enter them."
exit 1
fi
@ -114,8 +118,8 @@ EOF
# In case auto IP discovery fails, you may manually enter server IPs here.
# If your server only has a public IP, put that public IP on both lines.
PUBLIC_IP=$VPN_PUBLIC_IP
PRIVATE_IP=$VPN_PRIVATE_IP
PUBLIC_IP=${VPN_PUBLIC_IP:-''}
PRIVATE_IP=${VPN_PRIVATE_IP:-''}
# In Amazon EC2, these two variables will be retrieved from metadata
[ -z "$PUBLIC_IP" ] && PUBLIC_IP=$(wget --retry-connrefused -t 3 -T 15 -qO- 'http://169.254.169.254/latest/meta-data/public-ipv4')

18
vpnsetup_centos.sh
View File

@ -19,12 +19,12 @@
# Define your own values for these variables
# - IPsec pre-shared key, VPN username and password
# - All values MUST be quoted using 'single quotes'
# - All values MUST be placed inside 'single quotes'
# - DO NOT use these characters within values: \ " '
VPN_IPSEC_PSK=$VPN_IPSEC_PSK
VPN_USER=$VPN_USER
VPN_PASSWORD=$VPN_PASSWORD
VPN_IPSEC_PSK=${VPN_IPSEC_PSK:-'your_ipsec_psk'}
VPN_USER=${VPN_USER:-'your_vpn_username'}
VPN_PASSWORD=${VPN_PASSWORD:-'your_vpn_password'}
# Important Notes: https://git.io/vpnnotes
# Setup VPN Clients: https://git.io/vpnclients
@ -74,6 +74,10 @@ EOF
exit 1
fi
[ "$VPN_IPSEC_PSK" = "your_ipsec_psk" ] && VPN_IPSEC_PSK=''
[ "$VPN_USER" = "your_vpn_username" ] && VPN_USER=''
[ "$VPN_PASSWORD" = "your_vpn_password" ] && VPN_PASSWORD=''
if [ -z "$VPN_IPSEC_PSK" ] && [ -z "$VPN_USER" ] && [ -z "$VPN_PASSWORD" ]; then
VPN_IPSEC_PSK="$(< /dev/urandom tr -dc 'A-HJ-NPR-Za-km-z2-9' | head -c 16)"
VPN_USER=vpnuser
@ -81,7 +85,7 @@ if [ -z "$VPN_IPSEC_PSK" ] && [ -z "$VPN_USER" ] && [ -z "$VPN_PASSWORD" ]; then
fi
if [ -z "$VPN_IPSEC_PSK" ] || [ -z "$VPN_USER" ] || [ -z "$VPN_PASSWORD" ]; then
echo "VPN credentials cannot be empty. Edit the script and re-enter them."
echo "VPN credentials must be specified. Edit the script and re-enter them."
exit 1
fi
@ -107,8 +111,8 @@ EOF
# In case auto IP discovery fails, you may manually enter server IPs here.
# If your server only has a public IP, put that public IP on both lines.
PUBLIC_IP=$VPN_PUBLIC_IP
PRIVATE_IP=$VPN_PRIVATE_IP
PUBLIC_IP=${VPN_PUBLIC_IP:-''}
PRIVATE_IP=${VPN_PRIVATE_IP:-''}
# In Amazon EC2, these two variables will be retrieved from metadata
[ -z "$PUBLIC_IP" ] && PUBLIC_IP=$(wget --retry-connrefused -t 3 -T 15 -qO- 'http://169.254.169.254/latest/meta-data/public-ipv4')