blob: fb781070d6c566c4367a59ff573b7a1aed52e71f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
#!/bin/sh
# Copyright 2016-2017 Dan Luedtke <mail@danrl.com>
# Licensed to the public under the Apache License 2.0.
WG=/usr/bin/wg
if [ ! -x $WG ]; then
logger -t "wireguard" "error: missing wireguard-tools (${WG})"
exit 0
fi
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. ../netifd-proto.sh
init_proto "$@"
}
proto_wireguard_init_config() {
proto_config_add_string "private_key"
proto_config_add_int "listen_port"
proto_config_add_int "mtu"
proto_config_add_string "fwmark"
available=1
no_proto_task=1
}
proto_wireguard_setup_peer() {
local peer_config="$1"
local public_key
local preshared_key
local allowed_ips
local route_allowed_ips
local endpoint_host
local endpoint_port
local persistent_keepalive
config_get public_key "${peer_config}" "public_key"
config_get preshared_key "${peer_config}" "preshared_key"
config_get allowed_ips "${peer_config}" "allowed_ips"
config_get_bool route_allowed_ips "${peer_config}" "route_allowed_ips" 0
config_get endpoint_host "${peer_config}" "endpoint_host"
config_get endpoint_port "${peer_config}" "endpoint_port"
config_get persistent_keepalive "${peer_config}" "persistent_keepalive"
# peer configuration
echo "[Peer]" >> "${wg_cfg}"
echo "PublicKey=${public_key}" >> "${wg_cfg}"
if [ "${preshared_key}" ]; then
echo "PresharedKey=${preshared_key}" >> "${wg_cfg}"
fi
for allowed_ip in $allowed_ips; do
echo "AllowedIPs=${allowed_ip}" >> "${wg_cfg}"
done
if [ "${endpoint_host}" ]; then
case "${endpoint_host}" in
*:*)
endpoint="[${endpoint_host}]"
;;
*)
endpoint="${endpoint_host}"
;;
esac
if [ "${endpoint_port}" ]; then
endpoint="${endpoint}:${endpoint_port}"
else
endpoint="${endpoint}:51820"
fi
echo "Endpoint=${endpoint}" >> "${wg_cfg}"
fi
if [ "${persistent_keepalive}" ]; then
echo "PersistentKeepalive=${persistent_keepalive}" >> "${wg_cfg}"
fi
# add routes for allowed ips
if [ ${route_allowed_ips} -ne 0 ]; then
for allowed_ip in ${allowed_ips}; do
case "${allowed_ip}" in
*:*/*)
proto_add_ipv6_route "${allowed_ip%%/*}" "${allowed_ip##*/}"
;;
*.*/*)
proto_add_ipv4_route "${allowed_ip%%/*}" "${allowed_ip##*/}"
;;
*:*)
proto_add_ipv6_route "${allowed_ip%%/*}" "128"
;;
*.*)
proto_add_ipv4_route "${allowed_ip%%/*}" "32"
;;
esac
done
fi
}
proto_wireguard_setup() {
local config="$1"
local wg_dir="/tmp/wireguard"
local wg_cfg="${wg_dir}/${config}"
local private_key
local listen_port
local mtu
# load configuration
config_load network
config_get private_key "${config}" "private_key"
config_get listen_port "${config}" "listen_port"
config_get addresses "${config}" "addresses"
config_get mtu "${config}" "mtu"
config_get fwmark "${config}" "fwmark"
config_get ip6prefix "${config}" "ip6prefix"
config_get nohostroute "${config}" "nohostroute"
# create interface
ip link del dev "${config}" 2>/dev/null
ip link add dev "${config}" type wireguard
if [ "${mtu}" ]; then
ip link set mtu "${mtu}" dev "${config}"
fi
proto_init_update "${config}" 1
# generate configuration file
umask 077
mkdir -p "${wg_dir}"
echo "[Interface]" > "${wg_cfg}"
echo "PrivateKey=${private_key}" >> "${wg_cfg}"
if [ "${listen_port}" ]; then
echo "ListenPort=${listen_port}" >> "${wg_cfg}"
fi
if [ "${fwmark}" ]; then
echo "FwMark=${fwmark}" >> "${wg_cfg}"
fi
config_foreach proto_wireguard_setup_peer "wireguard_${config}"
# apply configuration file
${WG} setconf ${config} "${wg_cfg}"
WG_RETURN=$?
# delete configuration file
rm -f "${wg_cfg}"
# check status
if [ ${WG_RETURN} -ne 0 ]; then
sleep 5
proto_setup_failed "${config}"
exit 1
fi
# add ip addresses
for address in ${addresses}; do
case "${address}" in
*:*/*)
proto_add_ipv6_address "${address%%/*}" "${address##*/}"
;;
*.*/*)
proto_add_ipv4_address "${address%%/*}" "${address##*/}"
;;
*:*)
proto_add_ipv6_address "${address%%/*}" "128"
;;
*.*)
proto_add_ipv4_address "${address%%/*}" "32"
;;
esac
done
# support ip6 prefixes
for prefix in ${ip6prefix}; do
proto_add_ipv6_prefix "$prefix"
done
# endpoint dependency
if [ "${nohostroute}" != "1" ]; then
wg show "${config}" endpoints | \
sed -E 's/\[?([0-9.:a-f]+)\]?:([0-9]+)/\1 \2/' | \
while IFS=$'\t ' read -r key address port; do
[ -n "${port}" ] || continue
proto_add_host_dependency "${config}" "${address}"
done
fi
proto_send_update "${config}"
}
proto_wireguard_teardown() {
local config="$1"
ip link del dev "${config}" >/dev/null 2>&1
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol wireguard
}
|
