net/openconnect/files/openconnect.sh

   1 #!/bin/sh
   2 . /lib/functions.sh
   3 . ../netifd-proto.sh
   4 init_proto "$@"
   5
   6 proto_openconnect_init_config() {
   7         proto_config_add_string "server"
   8         proto_config_add_int "port"
   9         proto_config_add_string "username"
  10         proto_config_add_string "serverhash"
  11         proto_config_add_string "authgroup"
  12         proto_config_add_string "password"
  13         proto_config_add_string "token_mode"
  14         proto_config_add_string "token_secret"
  15         proto_config_add_string "interface"
  16         no_device=1
  17         available=1
  18 }
  19
  20 proto_openconnect_setup() {
  21         local config="$1"
  22
  23         json_get_vars server port username serverhash authgroup password interface token_mode token_secret
  24
  25         grep -q tun /proc/modules || insmod tun
  26
  27         logger -t openconnect "initializing..."
  28         serv_addr=
  29         for ip in $(resolveip -t 10 "$server"); do
  30                 ( proto_add_host_dependency "$config" "$ip" $interface )
  31                 serv_addr=1
  32         done
  33         [ -n "$serv_addr" ] || {
  34                 logger -t openconnect "Could not resolve server address: '$server'"
  35                 sleep 60
  36                 proto_setup_failed "$config"
  37                 exit 1
  38         }
  39
  40         [ -n "$port" ] && port=":$port"
  41
  42         cmdline="$server$port -i vpn-$config --non-inter --syslog --script /lib/netifd/vpnc-script"
  43
  44         # migrate to standard config files
  45         [ -f "/etc/config/openconnect-user-cert-vpn-$config.pem" ] && mv "/etc/config/openconnect-user-cert-vpn-$config.pem" "/etc/openconnect/user-cert-vpn-$config.pem"
  46         [ -f "/etc/config/openconnect-user-key-vpn-$config.pem" ] && mv "/etc/config/openconnect-user-key-vpn-$config.pem" "/etc/openconnect/user-key-vpn-$config.pem"
  47         [ -f "/etc/config/openconnect-ca-vpn-$config.pem" ] && mv "/etc/config/openconnect-ca-vpn-$config.pem" "/etc/openconnect/ca-vpn-$config.pem"
  48
  49         [ -f /etc/openconnect/user-cert-vpn-$config.pem ] && append cmdline "-c /etc/openconnect/user-cert-vpn-$config.pem"
  50         [ -f /etc/openconnect/user-key-vpn-$config.pem ] && append cmdline "--sslkey /etc/openconnect/user-key-vpn-$config.pem"
  51         [ -f /etc/openconnect/ca-vpn-$config.pem ] && {
  52                 append cmdline "--cafile /etc/openconnect/ca-vpn-$config.pem"
  53                 append cmdline "--no-system-trust"
  54         }
  55         [ -n "$serverhash" ] && {
  56                 append cmdline " --servercert=$serverhash"
  57                 append cmdline "--no-system-trust"
  58         }
  59         [ -n "$authgroup" ] && append cmdline "--authgroup $authgroup"
  60         [ -n "$username" ] && append cmdline "-u $username"
  61         [ -n "$password" ] && {
  62                 umask 077
  63                 mkdir -p /var/etc
  64                 pwfile="/var/etc/openconnect-$config.passwd"
  65                 echo "$password" > "$pwfile"
  66                 append cmdline "--passwd-on-stdin"
  67         }
  68
  69         [ -n "$token_mode" ] && append cmdline "--token-mode=$token_mode"
  70         [ -n "$token_secret" ] && append cmdline "--token-secret=$token_secret"
  71
  72         proto_export INTERFACE="$config"
  73         logger -t openconnect "executing 'openconnect $cmdline'"
  74
  75         if [ -f "$pwfile" ]; then
  76                 proto_run_command "$config" /usr/sbin/openconnect-wrapper $pwfile $cmdline
  77         else
  78                 proto_run_command "$config" /usr/sbin/openconnect $cmdline
  79         fi
  80 }
  81
  82 proto_openconnect_teardown() {
  83         local config="$1"
  84
  85         pwfile="/var/etc/openconnect-$config.passwd"
  86
  87         rm -f $pwfile
  88         logger -t openconnect "bringing down openconnect"
  89         proto_kill_command "$config" 2
  90 }
  91
  92 add_protocol openconnect