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#!/bin/sh
[ -x /usr/sbin/pppd ] || exit 0
[ -n "$INCLUDE_ONLY" ] || {
. /lib/functions.sh
. ../netifd-proto.sh
init_proto "$@"
}
ppp_generic_init_config() {
proto_config_add_string "username"
proto_config_add_string "password"
proto_config_add_string "keepalive"
proto_config_add_int "demand"
proto_config_add_string "pppd_options"
proto_config_add_string "connect"
proto_config_add_string "disconnect"
proto_config_add_boolean "defaultroute"
proto_config_add_boolean "peerdns"
proto_config_add_boolean "ipv6"
proto_config_add_int "mtu"
}
ppp_generic_setup() {
local config="$1"; shift
json_get_vars ipv6 peerdns defaultroute demand keepalive username password pppd_options
[ "$ipv6" = 1 ] || ipv6=""
[ "$peerdns" = 0 ] && peerdns="" || peerdns="1"
if [ "$defaultroute" = 1 ]; then
defaultroute="defaultroute replacedefaultroute";
else
defaultroute="nodefaultroute"
fi
if [ "${demand:-0}" -gt 0 ]; then
demand="precompiled-active-filter /etc/ppp/filter demand idle $demand"
else
demand="persist"
fi
[ -n "$mtu" ] || json_get_var mtu mtu
local interval="${keepalive##*[, ]}"
[ "$interval" != "$keepalive" ] || interval=5
[ -n "$connect" ] || json_get_var connect connect
[ -n "$disconnect" ] || json_get_var disconnect disconnect
proto_run_command "$config" /usr/sbin/pppd \
nodetach ipparam "$config" \
ifname "${proto:-ppp}-$config" \
${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
${ipv6:++ipv6} $defaultroute \
${peerdns:+usepeerdns} \
$demand maxfail 1 \
${username:+user "$username" password "$password"} \
${connect:+connect "$connect"} \
${disconnect:+disconnect "$disconnect"} \
ip-up-script /lib/netifd/ppp-up \
ipv6-up-script /lib/netifd/ppp-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="$1"
case "$ERROR" in
11|19)
proto_notify_error "$interface" AUTH_FAILED
proto_block_restart "$interface"
;;
2)
proto_notify_error "$interface" INVALID_OPTIONS
proto_block_restart "$interface"
;;
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
}
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_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
ppp_generic_setup "$config" \
plugin rp-pppoe.so \
${ac:+rp_pppoe_ac "$ac"} \
${service:+rp_pppoe_service "$service"} \
"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
}
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_boolean "buffering"
available=1
no_device=1
}
proto_pptp_setup() {
local config="$1"
local iface="$2"
local ip serv_addr server
json_get_var server server && {
for ip in $(resolveip -t 5 "$server"); do
( proto_add_host_dependency "$config" "$ip" )
serv_addr=1
done
}
[ -n "$serv_addr" ] || {
echo "Could not resolve server address"
sleep 5
proto_setup_failed "$config"
exit 1
}
local buffering
json_get_var buffering buffering
[ "${buffering:-1}" == 0 ] && buffering="--nobuffer" || buffering=
local load
for module in slhc ppp_generic ppp_async ppp_mppe ip_gre gre pptp; do
grep -q "$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
}
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