ppp: enable IPv6CP by default
[openwrt/staging/chunkeey.git] / package / network / services / ppp / files / ppp.sh
1 #!/bin/sh
2
3 [ -x /usr/sbin/pppd ] || exit 0
4
5 [ -n "$INCLUDE_ONLY" ] || {
6 . /lib/functions.sh
7 . ../netifd-proto.sh
8 init_proto "$@"
9 }
10
11 ppp_generic_init_config() {
12 proto_config_add_string username
13 proto_config_add_string password
14 proto_config_add_string keepalive
15 proto_config_add_int demand
16 proto_config_add_string pppd_options
17 proto_config_add_string 'connect:file'
18 proto_config_add_string 'disconnect:file'
19 proto_config_add_boolean ipv6
20 proto_config_add_boolean authfail
21 proto_config_add_int mtu
22 proto_config_add_string pppname
23 }
24
25 ppp_generic_setup() {
26 local config="$1"; shift
27
28 json_get_vars ipv6 demand keepalive username password pppd_options pppname
29 if [ "$ipv6" = 0 ]; then
30 ipv6=""
31 else
32 ipv6=1
33 fi
34 if [ "${demand:-0}" -gt 0 ]; then
35 demand="precompiled-active-filter /etc/ppp/filter demand idle $demand"
36 else
37 demand="persist"
38 fi
39 [ "${keepalive:-0}" -lt 1 ] && keepalive=""
40 [ -n "$mtu" ] || json_get_var mtu mtu
41 [ -n "$pppname" ] || pppname="${proto:-ppp}-$config"
42
43 local interval="${keepalive##*[, ]}"
44 [ "$interval" != "$keepalive" ] || interval=5
45 [ -n "$connect" ] || json_get_var connect connect
46 [ -n "$disconnect" ] || json_get_var disconnect disconnect
47
48 proto_run_command "$config" /usr/sbin/pppd \
49 nodetach ipparam "$config" \
50 ifname "$pppname" \
51 ${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
52 ${ipv6:++ipv6} \
53 nodefaultroute \
54 usepeerdns \
55 $demand maxfail 1 \
56 ${username:+user "$username" password "$password"} \
57 ${connect:+connect "$connect"} \
58 ${disconnect:+disconnect "$disconnect"} \
59 ip-up-script /lib/netifd/ppp-up \
60 ipv6-up-script /lib/netifd/ppp-up \
61 ip-down-script /lib/netifd/ppp-down \
62 ipv6-down-script /lib/netifd/ppp-down \
63 ${mtu:+mtu $mtu mru $mtu} \
64 "$@" $pppd_options
65 }
66
67 ppp_generic_teardown() {
68 local interface="$1"
69
70 case "$ERROR" in
71 11|19)
72 proto_notify_error "$interface" AUTH_FAILED
73 json_get_var authfail authfail
74 if [ "${authfail:-0}" -gt 0 ]; then
75 proto_block_restart "$interface"
76 fi
77 ;;
78 2)
79 proto_notify_error "$interface" INVALID_OPTIONS
80 proto_block_restart "$interface"
81 ;;
82 esac
83 proto_kill_command "$interface"
84 }
85
86 # PPP on serial device
87
88 proto_ppp_init_config() {
89 proto_config_add_string "device"
90 ppp_generic_init_config
91 no_device=1
92 available=1
93 }
94
95 proto_ppp_setup() {
96 local config="$1"
97
98 json_get_var device device
99 ppp_generic_setup "$config" "$device"
100 }
101
102 proto_ppp_teardown() {
103 ppp_generic_teardown "$@"
104 }
105
106 proto_pppoe_init_config() {
107 ppp_generic_init_config
108 proto_config_add_string "ac"
109 proto_config_add_string "service"
110 }
111
112 proto_pppoe_setup() {
113 local config="$1"
114 local iface="$2"
115
116 for module in slhc ppp_generic pppox pppoe; do
117 /sbin/insmod $module 2>&- >&-
118 done
119
120 json_get_var mtu mtu
121 mtu="${mtu:-1492}"
122
123 json_get_var ac ac
124 json_get_var service service
125
126 ppp_generic_setup "$config" \
127 plugin rp-pppoe.so \
128 ${ac:+rp_pppoe_ac "$ac"} \
129 ${service:+rp_pppoe_service "$service"} \
130 "nic-$iface"
131 }
132
133 proto_pppoe_teardown() {
134 ppp_generic_teardown "$@"
135 }
136
137 proto_pppoa_init_config() {
138 ppp_generic_init_config
139 proto_config_add_int "atmdev"
140 proto_config_add_int "vci"
141 proto_config_add_int "vpi"
142 proto_config_add_string "encaps"
143 no_device=1
144 available=1
145 }
146
147 proto_pppoa_setup() {
148 local config="$1"
149 local iface="$2"
150
151 for module in slhc ppp_generic pppox pppoatm; do
152 /sbin/insmod $module 2>&- >&-
153 done
154
155 json_get_vars atmdev vci vpi encaps
156
157 case "$encaps" in
158 1|vc) encaps="vc-encaps" ;;
159 *) encaps="llc-encaps" ;;
160 esac
161
162 ppp_generic_setup "$config" \
163 plugin pppoatm.so \
164 ${atmdev:+$atmdev.}${vpi:-8}.${vci:-35} \
165 ${encaps}
166 }
167
168 proto_pppoa_teardown() {
169 ppp_generic_teardown "$@"
170 }
171
172 proto_pptp_init_config() {
173 ppp_generic_init_config
174 proto_config_add_string "server"
175 available=1
176 no_device=1
177 }
178
179 proto_pptp_setup() {
180 local config="$1"
181 local iface="$2"
182
183 local ip serv_addr server
184 json_get_var server server && {
185 for ip in $(resolveip -t 5 "$server"); do
186 ( proto_add_host_dependency "$config" "$ip" )
187 serv_addr=1
188 done
189 }
190 [ -n "$serv_addr" ] || {
191 echo "Could not resolve server address"
192 sleep 5
193 proto_setup_failed "$config"
194 exit 1
195 }
196
197 local load
198 for module in slhc ppp_generic ppp_async ppp_mppe ip_gre gre pptp; do
199 grep -q "^$module " /proc/modules && continue
200 /sbin/insmod $module 2>&- >&-
201 load=1
202 done
203 [ "$load" = "1" ] && sleep 1
204
205 ppp_generic_setup "$config" \
206 plugin pptp.so \
207 pptp_server $server \
208 file /etc/ppp/options.pptp
209 }
210
211 proto_pptp_teardown() {
212 ppp_generic_teardown "$@"
213 }
214
215 [ -n "$INCLUDE_ONLY" ] || {
216 add_protocol ppp
217 [ -f /usr/lib/pppd/*/rp-pppoe.so ] && add_protocol pppoe
218 [ -f /usr/lib/pppd/*/pppoatm.so ] && add_protocol pppoa
219 [ -f /usr/lib/pppd/*/pptp.so ] && add_protocol pptp
220 }
221