OpenWrt – Rev 3
?pathlinks?
#!/bin/sh
[ -x /usr/sbin/pppd ] || exit 0
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. /lib/functions/network.sh
. ../netifd-proto.sh
init_proto "$@"
}
ppp_select_ipaddr()
{
local subnets=$1
local res
local res_mask
for subnet in $subnets; do
local addr="${subnet%%/*}"
local mask="${subnet#*/}"
if [ -n "$res_mask" -a "$mask" != 32 ]; then
[ "$mask" -gt "$res_mask" ] || [ "$res_mask" = 32 ] && {
res="$addr"
res_mask="$mask"
}
elif [ -z "$res_mask" ]; then
res="$addr"
res_mask="$mask"
fi
done
echo "$res"
}
ppp_exitcode_tostring()
{
local errorcode=$1
[ -n "$errorcode" ] || errorcode=5
case "$errorcode" in
0) echo "OK" ;;
1) echo "FATAL_ERROR" ;;
2) echo "OPTION_ERROR" ;;
3) echo "NOT_ROOT" ;;
4) echo "NO_KERNEL_SUPPORT" ;;
5) echo "USER_REQUEST" ;;
6) echo "LOCK_FAILED" ;;
7) echo "OPEN_FAILED" ;;
8) echo "CONNECT_FAILED" ;;
9) echo "PTYCMD_FAILED" ;;
10) echo "NEGOTIATION_FAILED" ;;
11) echo "PEER_AUTH_FAILED" ;;
12) echo "IDLE_TIMEOUT" ;;
13) echo "CONNECT_TIME" ;;
14) echo "CALLBACK" ;;
15) echo "PEER_DEAD" ;;
16) echo "HANGUP" ;;
17) echo "LOOPBACK" ;;
18) echo "INIT_FAILED" ;;
19) echo "AUTH_TOPEER_FAILED" ;;
20) echo "TRAFFIC_LIMIT" ;;
21) echo "CNID_AUTH_FAILED";;
*) echo "UNKNOWN_ERROR" ;;
esac
}
ppp_generic_init_config() {
proto_config_add_string username
proto_config_add_string password
proto_config_add_string keepalive
proto_config_add_boolean keepalive_adaptive
proto_config_add_int demand
proto_config_add_string pppd_options
proto_config_add_string 'connect:file'
proto_config_add_string 'disconnect:file'
proto_config_add_string ipv6
proto_config_add_boolean authfail
proto_config_add_int mtu
proto_config_add_string pppname
proto_config_add_string unnumbered
proto_config_add_boolean persist
proto_config_add_int maxfail
proto_config_add_int holdoff
}
ppp_generic_setup() {
local config="$1"; shift
local localip
json_get_vars ipv6 ip6table demand keepalive keepalive_adaptive username password pppd_options pppname unnumbered persist maxfail holdoff peerdns
if [ "$ipv6" = 0 ]; then
ipv6=""
elif [ -z "$ipv6" -o "$ipv6" = auto ]; then
ipv6=1
autoipv6=1
fi
if [ "${demand:-0}" -gt 0 ]; then
demand="precompiled-active-filter /etc/ppp/filter demand idle $demand"
else
demand=""
fi
if [ -n "$persist" ]; then
[ "${persist}" -lt 1 ] && persist="nopersist" || persist="persist"
fi
if [ -z "$maxfail" ]; then
[ "$persist" = "persist" ] && maxfail=0 || maxfail=1
fi
[ -n "$mtu" ] || json_get_var mtu mtu
[ -n "$pppname" ] || pppname="${proto:-ppp}-$config"
[ -n "$unnumbered" ] && {
local subnets
( proto_add_host_dependency "$config" "" "$unnumbered" )
network_get_subnets subnets "$unnumbered"
localip=$(ppp_select_ipaddr "$subnets")
[ -n "$localip" ] || {
proto_block_restart "$config"
return
}
}
local lcp_failure="${keepalive%%[, ]*}"
local lcp_interval="${keepalive##*[, ]}"
local lcp_adaptive="lcp-echo-adaptive"
[ "${lcp_failure:-0}" -lt 1 ] && lcp_failure=""
[ "$lcp_interval" != "$keepalive" ] || lcp_interval=5
[ "${keepalive_adaptive:-1}" -lt 1 ] && lcp_adaptive=""
[ -n "$connect" ] || json_get_var connect connect
[ -n "$disconnect" ] || json_get_var disconnect disconnect
proto_run_command "$config" /usr/sbin/pppd \
nodetach ipparam "$config" \
ifname "$pppname" \
${localip:+$localip:} \
${lcp_failure:+lcp-echo-interval $lcp_interval lcp-echo-failure $lcp_failure $lcp_adaptive} \
${ipv6:++ipv6} \
${autoipv6:+set AUTOIPV6=1} \
${ip6table:+set IP6TABLE=$ip6table} \
${peerdns:+set PEERDNS=$peerdns} \
nodefaultroute \
usepeerdns \
$demand $persist maxfail $maxfail \
${holdoff:+holdoff "$holdoff"} \
${username:+user "$username" password "$password"} \
${connect:+connect "$connect"} \
${disconnect:+disconnect "$disconnect"} \
ip-up-script /lib/netifd/ppp-up \
ipv6-up-script /lib/netifd/ppp6-up \
ip-down-script /lib/netifd/ppp-down \
ipv6-down-script /lib/netifd/ppp-down \
${mtu:+mtu $mtu mru $mtu} \
"$@" $pppd_options
}
ppp_generic_teardown() {
local interface="$1"
local errorstring=$(ppp_exitcode_tostring $ERROR)
case "$ERROR" in
0)
;;
2)
proto_notify_error "$interface" "$errorstring"
proto_block_restart "$interface"
;;
11|19)
json_get_var authfail authfail
proto_notify_error "$interface" "$errorstring"
if [ "${authfail:-0}" -gt 0 ]; then
proto_block_restart "$interface"
fi
;;
*)
proto_notify_error "$interface" "$errorstring"
;;
esac
proto_kill_command "$interface"
}
# PPP on serial device
proto_ppp_init_config() {
proto_config_add_string "device"
ppp_generic_init_config
no_device=1
available=1
lasterror=1
}
proto_ppp_setup() {
local config="$1"
json_get_var device device
ppp_generic_setup "$config" "$device"
}
proto_ppp_teardown() {
ppp_generic_teardown "$@"
}
proto_pppoe_init_config() {
ppp_generic_init_config
proto_config_add_string "ac"
proto_config_add_string "service"
proto_config_add_string "host_uniq"
lasterror=1
}
proto_pppoe_setup() {
local config="$1"
local iface="$2"
for module in slhc ppp_generic pppox pppoe; do
/sbin/insmod $module 2>&- >&-
done
json_get_var mtu mtu
mtu="${mtu:-1492}"
json_get_var ac ac
json_get_var service service
json_get_var host_uniq host_uniq
ppp_generic_setup "$config" \
plugin rp-pppoe.so \
${ac:+rp_pppoe_ac "$ac"} \
${service:+rp_pppoe_service "$service"} \
${host_uniq:+host-uniq "$host_uniq"} \
"nic-$iface"
}
proto_pppoe_teardown() {
ppp_generic_teardown "$@"
}
proto_pppoa_init_config() {
ppp_generic_init_config
proto_config_add_int "atmdev"
proto_config_add_int "vci"
proto_config_add_int "vpi"
proto_config_add_string "encaps"
no_device=1
available=1
lasterror=1
}
proto_pppoa_setup() {
local config="$1"
local iface="$2"
for module in slhc ppp_generic pppox pppoatm; do
/sbin/insmod $module 2>&- >&-
done
json_get_vars atmdev vci vpi encaps
case "$encaps" in
1|vc) encaps="vc-encaps" ;;
*) encaps="llc-encaps" ;;
esac
ppp_generic_setup "$config" \
plugin pppoatm.so \
${atmdev:+$atmdev.}${vpi:-8}.${vci:-35} \
${encaps}
}
proto_pppoa_teardown() {
ppp_generic_teardown "$@"
}
proto_pptp_init_config() {
ppp_generic_init_config
proto_config_add_string "server"
proto_config_add_string "interface"
available=1
no_device=1
lasterror=1
}
proto_pptp_setup() {
local config="$1"
local iface="$2"
local ip serv_addr server interface
json_get_vars interface server
[ -n "$server" ] && {
for ip in $(resolveip -t 5 "$server"); do
( proto_add_host_dependency "$config" "$ip" $interface )
serv_addr=1
done
}
[ -n "$serv_addr" ] || {
echo "Could not resolve server address"
sleep 5
proto_setup_failed "$config"
exit 1
}
local load
for module in slhc ppp_generic ppp_async ppp_mppe ip_gre gre pptp; do
grep -q "^$module " /proc/modules && continue
/sbin/insmod $module 2>&- >&-
load=1
done
[ "$load" = "1" ] && sleep 1
ppp_generic_setup "$config" \
plugin pptp.so \
pptp_server $server \
file /etc/ppp/options.pptp
}
proto_pptp_teardown() {
ppp_generic_teardown "$@"
}
[ -n "$INCLUDE_ONLY" ] || {
add_protocol ppp
[ -f /usr/lib/pppd/*/rp-pppoe.so ] && add_protocol pppoe
[ -f /usr/lib/pppd/*/pppoatm.so ] && add_protocol pppoa
[ -f /usr/lib/pppd/*/pptp.so ] && add_protocol pptp
}