package/network/config/vti/files/vti.sh

   1 #!/bin/sh
   2
   3 [ -n "$INCLUDE_ONLY" ] || {
   4         . /lib/functions.sh
   5         . /lib/functions/network.sh
   6         . ../netifd-proto.sh
   7         init_proto "$@"
   8 }
   9
  10 vti_generic_setup() {
  11         local cfg="$1"
  12         local mode="$2"
  13         local local="$3"
  14         local remote="$4"
  15         local link="$5"
  16         local mtu zone ikey
  17         json_get_vars mtu zone ikey okey
  18
  19         [ -z "$zone" ] && zone="wan"
  20
  21         proto_init_update "$link" 1
  22
  23         proto_add_tunnel
  24         json_add_string mode "$mode"
  25         json_add_int mtu "${mtu:-1280}"
  26         json_add_string local "$local"
  27         json_add_string remote "$remote"
  28         [ -n "$tunlink" ] && json_add_string link "$tunlink"
  29
  30         json_add_object 'data'
  31         [ -n "$ikey" ] && json_add_int ikey "$ikey"
  32         [ -n "$okey" ] && json_add_int okey "$okey"
  33         json_close_object
  34
  35         proto_close_tunnel
  36
  37         proto_add_data
  38         [ -n "$zone" ] && json_add_string zone "$zone"
  39         proto_close_data
  40
  41         proto_send_update "$cfg"
  42 }
  43
  44 vti_setup() {
  45         local cfg="$1"
  46         local mode="$2"
  47
  48         local ipaddr peeraddr
  49         json_get_vars df ipaddr peeraddr tunlink
  50
  51         [ -z "$peeraddr" ] && {
  52                 proto_notify_error "$cfg" "MISSING_ADDRESS"
  53                 proto_block_restart "$cfg"
  54                 exit
  55         }
  56
  57         ( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
  58
  59         [ -z "$ipaddr" ] && {
  60                 local wanif="$tunlink"
  61                 if [ -z $wanif ] && ! network_find_wan wanif; then
  62                         proto_notify_error "$cfg" "NO_WAN_LINK"
  63                         exit
  64                 fi
  65
  66                 if ! network_get_ipaddr ipaddr "$wanif"; then
  67                         proto_notify_error "$cfg" "NO_WAN_LINK"
  68                         exit
  69                 fi
  70         }
  71
  72         vti_generic_setup $cfg $mode $ipaddr $peeraddr "vti-$cfg"
  73 }
  74
  75 proto_vti_setup() {
  76         local cfg="$1"
  77
  78         vti_setup $cfg "vtiip"
  79 }
  80
  81 vti6_setup() {
  82         local cfg="$1"
  83         local mode="$2"
  84
  85         local ip6addr peer6addr weakif
  86         json_get_vars ip6addr peer6addr tunlink weakif
  87
  88         [ -z "$peer6addr" ] && {
  89                 proto_notify_error "$cfg" "MISSING_ADDRESS"
  90                 proto_block_restart "$cfg"
  91                 exit
  92         }
  93
  94         ( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
  95
  96         [ -z "$ip6addr" ] && {
  97                 local wanif="$tunlink"
  98                 if [ -z $wanif ] && ! network_find_wan6 wanif; then
  99                         proto_notify_error "$cfg" "NO_WAN_LINK"
 100                         exit
 101                 fi
 102
 103                 if ! network_get_ipaddr6 ip6addr "$wanif"; then
 104                         [ -z "$weakif" ] && weakif="lan"
 105                         if ! network_get_ipaddr6 ip6addr "$weakif"; then
 106                                 proto_notify_error "$cfg" "NO_WAN_LINK"
 107                                 exit
 108                         fi
 109                 fi
 110         }
 111
 112         vti_generic_setup $cfg $mode $ip6addr $peer6addr "vti6-$cfg"
 113 }
 114
 115 proto_vti6_setup() {
 116         local cfg="$1"
 117
 118         vti6_setup $cfg "vtiip6"
 119 }
 120
 121 proto_vti_teardown() {
 122         local cfg="$1"
 123 }
 124
 125 proto_vti6_teardown() {
 126         local cfg="$1"
 127 }
 128
 129 vti_generic_init_config() {
 130         no_device=1
 131         available=1
 132
 133         proto_config_add_int "mtu"
 134         proto_config_add_string "tunlink"
 135         proto_config_add_string "zone"
 136         proto_config_add_int "ikey"
 137         proto_config_add_int "okey"
 138 }
 139
 140 proto_vti_init_config() {
 141         vti_generic_init_config
 142         proto_config_add_string "ipaddr"
 143         proto_config_add_string "peeraddr"
 144 }
 145
 146 proto_vti6_init_config() {
 147         vti_generic_init_config
 148         proto_config_add_string "ip6addr"
 149         proto_config_add_string "peer6addr"
 150         proto_config_add_string "weakif"
 151 }
 152
 153 [ -n "$INCLUDE_ONLY" ] || {
 154         [ -f /lib/modules/$(uname -r)/ip_vti.ko ] && add_protocol vti
 155         [ -f /lib/modules/$(uname -r)/ip6_vti.ko ] && add_protocol vti6
 156 }