openconnect: set config variable on teardown and correctly pass the password
[feed/packages.git] / 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 no_device=1
14 available=1
15 }
16
17 proto_openconnect_setup() {
18 local config="$1"
19
20 json_get_vars server port username serverhash authgroup password vgroup
21
22 grep -q tun /proc/modules || insmod tun
23
24 logger -t openconnect "initializing..."
25 serv_addr=
26 for ip in $(resolveip -t 10 "$server"); do
27 ( proto_add_host_dependency "$config" "$ip" )
28 serv_addr=1
29 done
30 [ -n "$serv_addr" ] || {
31 logger -t openconnect "Could not resolve server address: '$server'"
32 sleep 20
33 proto_setup_failed "$config"
34 exit 1
35 }
36
37 [ -n "$port" ] && port=":$port"
38
39 cmdline="$server$port -i vpn-$config --non-inter --syslog --script /lib/netifd/vpnc-script"
40
41 [ -f /etc/openconnect/ca-vpn-$config.pem ] && append cmdline "--cafile /etc/openconnect/ca-vpn-$config.pem"
42 [ -f /etc/openconnect/user-cert-vpn-$config.pem ] && append cmdline "-c /etc/openconnect/user-cert-vpn-$config.pem"
43 [ -f /etc/openconnect/user-key-vpn-$config.pem ] && append cmdline "--sslkey /etc/openconnect/user-key-vpn-$config.pem"
44 [ -n "$serverhash" ] && append cmdline "--servercert=$serverhash"
45 [ -n "$authgroup" ] && append cmdline "--authgroup $authgroup"
46 [ -n "$username" ] && append cmdline "-u $username"
47 [ -n "$password" ] && {
48 umask 077
49 pwfile="/var/run/openconnect-$config.passwd"
50 echo "$password" > "$pwfile"
51 append cmdline "--passwd-on-stdin"
52 }
53
54 proto_export INTERFACE="$config"
55 logger -t openconnect "executing 'openconnect $cmdline'"
56
57 if [ -f "$pwfile" ];then
58 proto_run_command "$config" /usr/sbin/openconnect-wrapper $pwfile $cmdline
59 else
60 proto_run_command "$config" /usr/sbin/openconnect $cmdline
61 fi
62 }
63
64 proto_openconnect_teardown() {
65 local config="$1"
66
67 pwfile="/var/run/openconnect-$config.passwd"
68
69 rm -f $pwfile
70 logger -t openconnect "bringing down openconnect"
71 proto_kill_command "$config"
72 }
73
74 add_protocol openconnect