INNER CODE UNIT · Shell

ip6

hwdsl2/docker-ipsec-vpn-server · run.sh:260

    ip6=$(wget -t 2 -T 10 -qO- https://ipv6.icanhazip.com 2>/dev/null)
    check_ip6 "$ip6" || ip6=""
  fi
fi

if [ -z "$VPN_IPSEC_PSK" ] || [ -z "$VPN_USER" ] || [ -z "$VPN_PASSWORD" ]; then
  exiterr "All VPN credentials must be specified. Edit your 'env' file and re-enter them."
fi
if printf '%s' "$VPN_IPSEC_PSK $VPN_USER $VPN_PASSWORD $VPN_ADDL_USERS $VPN_ADDL_PASSWORDS" | LC_ALL=C grep -q '[^ -~]\+'; then
  exiterr "VPN credentials must not contain non-ASCII characters."
fi
case "$VPN_IPSEC_PSK $VPN_USER $VPN_PASSWORD $VPN_ADDL_USERS $VPN_ADDL_PASSWORDS" in
  *[\\\"\']*)
    exiterr "VPN credentials must not contain these special characters: \\ \" '"
    ;;
esac
if printf '%s' "$VPN_USER $VPN_ADDL_USERS" | tr ' ' '\n' | sort | uniq -c | grep -qv '^ *1 '; then
  exiterr "VPN usernames must not contain duplicates."

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