package/netifd/files/lib/netifd/proto/ppp.sh

   1 #!/bin/sh
   2
   3 [ -x /usr/sbin/pppd ] || exit 0
   4
   5 [ -n "$INCLUDE_ONLY" ] || {
   6         . /etc/functions.sh
   7         . ../netifd-proto.sh
   8         init_proto "$@"
   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"
  18         proto_config_add_string "disconnect"
  19         proto_config_add_boolean "defaultroute"
  20         proto_config_add_boolean "peerdns"
  21         proto_config_add_boolean "ipv6"
  22         proto_config_add_int "mtu"
  23 }
  24
  25 ppp_generic_setup() {
  26         local config="$1"; shift
  27
  28         json_get_var ipv6 ipv6
  29         [ "$ipv6" = 1 ] || ipv6=""
  30
  31         json_get_var peerdns peerdns
  32         [ "$peerdns" = 0 ] && peerdns="" || peerdns="1"
  33
  34         json_get_var defaultroute defaultroute
  35         if [ "$defaultroute" = 1 ]; then
  36                 defaultroute="defaultroute replacedefaultroute";
  37         else
  38                 defaultroute="nodefaultroute"
  39         fi
  40
  41         json_get_var demand demand
  42         if [ "${demand:-0}" -gt 0 ]; then
  43                 demand="precompiled-active-filter /etc/ppp/filter demand idle $demand"
  44         else
  45                 demand="persist"
  46         fi
  47
  48         [ -n "$mtu" ] || json_get_var mtu mtu
  49
  50         json_get_var keepalive keepalive
  51         local interval="${keepalive##*[, ]}"
  52         [ "$interval" != "$keepalive" ] || interval=5
  53
  54         json_get_var username username
  55         json_get_var password password
  56
  57         json_get_var connect connect
  58         json_get_var disconnect disconnect
  59         json_get_var pppd_options pppd_options
  60
  61         proto_run_command "$config" /usr/sbin/pppd \
  62                 nodetach ipparam "$config" \
  63                 ifname "${proto:-ppp}-$config" \
  64                 ${keepalive:+lcp-echo-interval $interval lcp-echo-failure ${keepalive%%[, ]*}} \
  65                 ${ipv6:++ipv6} $defaultroute \
  66                 ${peerdns:+usepeerdns} \
  67                 $demand maxfail 1 \
  68                 ${username:+user "$username" password "$password"} \
  69                 ${connect:+connect "$connect"} \
  70                 ${disconnect:+disconnect "$disconnect"} \
  71                 ip-up-script /lib/netifd/ppp-up \
  72                 ipv6-up-script /lib/netifd/ppp-up \
  73                 ip-down-script /lib/netifd/ppp-down \
  74                 ipv6-down-script /lib/netifd/ppp-down \
  75                 ${mtu:+mtu $mtu mru $mtu} \
  76                 $pppd_options "$@"
  77 }
  78
  79 ppp_generic_teardown() {
  80         local interface="$1"
  81
  82         case "$ERROR" in
  83                 11|19)
  84                         proto_notify_error "$interface" AUTH_FAILED
  85                         proto_block_restart "$interface"
  86                 ;;
  87         esac
  88         proto_kill_command "$interface"
  89 }
  90
  91 # PPP on serial device
  92
  93 ppp_init_config() {
  94         proto_config_add_string "device"
  95         ppp_generic_init_config
  96         no_device=1
  97 }
  98
  99 ppp_setup() {
 100         local config="$1"
 101
 102         json_get_var device device
 103         ppp_generic_setup "$config" "$device"
 104 }
 105
 106 ppp_teardown() {
 107         ppp_generic_teardown "$@"
 108 }
 109
 110 ppp_init() {
 111         return
 112 }
 113
 114 pppoe_init_config() {
 115         ppp_generic_init_config
 116         proto_config_add_string "ac"
 117         proto_config_add_string "service"
 118 }
 119
 120 pppoe_setup() {
 121         local config="$1"
 122         local iface="$2"
 123
 124         for module in slhc ppp_generic pppox pppoe; do
 125                 /sbin/insmod $module 2>&- >&-
 126         done
 127
 128         json_get_var mtu mtu
 129         mtu="${mtu:-1492}"
 130
 131         json_get_var ac ac
 132         json_get_var service service
 133
 134         ppp_generic_setup "$config" \
 135                 plugin rp-pppoe.so \
 136                 ${ac:+rp_pppoe_ac "$ac"} \
 137                 ${service:+rp_pppoe_service "$service"} \
 138                 "nic-$iface"
 139 }
 140
 141 pppoe_teardown() {
 142         ppp_generic_teardown "$@"
 143 }
 144
 145 pppoe_init() {
 146         return
 147 }
 148
 149 pppoa_init_config() {
 150         ppp_generic_init_config
 151         proto_config_add_int "atmdev"
 152         proto_config_add_int "vci"
 153         proto_config_add_int "vpi"
 154         proto_config_add_string "encaps"
 155 }
 156
 157 pppoa_setup() {
 158         local config="$1"
 159         local iface="$2"
 160
 161         for module in slhc ppp_generic pppox pppoatm; do
 162                 /sbin/insmod $module 2>&- >&-
 163         done
 164
 165         json_get_var atmdev atmdev
 166         json_get_var vci vci
 167         json_get_var vpi vpi
 168
 169         json_get_var encaps encaps
 170         case "$encaps" in
 171                 1|vc) encaps="vc-encaps" ;;
 172                 *) encaps="llc-encaps" ;;
 173         esac
 174
 175         ppp_generic_setup "$config" \
 176                 plugin pppoatm.so \
 177                 ${atmdev:+$atmdev.}${vpi:-8}.${vci:-35} \
 178                 ${encaps}
 179 }
 180
 181 pppoa_teardown() {
 182         ppp_generic_teardown "$@"
 183 }
 184
 185 pppoa_init() {
 186         return
 187 }
 188
 189 [ -n "$INCLUDE_ONLY" ] || {
 190         add_protocol ppp
 191         [ -f /usr/lib/pppd/*/rp-pppoe.so ] && add_protocol pppoe
 192         [ -f /usr/lib/pppd/*/pppoatm.so ] && add_protocol pppoa
 193 }
 194