diff options
Diffstat (limited to 'package/network/services/ppp/files/ppp.sh')
| -rwxr-xr-x | package/network/services/ppp/files/ppp.sh | 314 |
1 files changed, 314 insertions, 0 deletions
diff --git a/package/network/services/ppp/files/ppp.sh b/package/network/services/ppp/files/ppp.sh new file mode 100755 index 0000000..2a7e76b --- /dev/null +++ b/package/network/services/ppp/files/ppp.sh @@ -0,0 +1,314 @@ +#!/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 +} + +ppp_generic_setup() { + local config="$1"; shift + local localip + + json_get_vars ipv6 demand keepalive keepalive_adaptive username password pppd_options pppname unnumbered + if [ "$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 $demand" + else + demand="" + fi + [ -n "$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} \ + nodefaultroute \ + 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="$1" + local errorstring=$(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 +} + |