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 "$tunlink"
  29         json_add_string info "${ikey:-0},${okey:-0}"
  30         proto_close_tunnel
  31
  32         proto_add_data
  33         [ -n "$zone" ] && json_add_string zone "$zone"
  34         proto_close_data
  35
  36         proto_send_update "$cfg"
  37 }
  38
  39 vti_setup() {
  40         local cfg="$1"
  41         local mode="$2"
  42
  43         local ipaddr peeraddr
  44         json_get_vars df ipaddr peeraddr tunlink
  45
  46         [ -z "$peeraddr" ] && {
  47                 proto_notify_error "$cfg" "MISSING_ADDRESS"
  48                 proto_block_restart "$cfg"
  49                 exit
  50         }
  51
  52         ( proto_add_host_dependency "$cfg" "$peeraddr" "$tunlink" )
  53
  54         [ -z "$ipaddr" ] && {
  55                 local wanif="$tunlink"
  56                 if [ -z $wanif ] && ! network_find_wan wanif; then
  57                         proto_notify_error "$cfg" "NO_WAN_LINK"
  58                         exit
  59                 fi
  60
  61                 if ! network_get_ipaddr ipaddr "$wanif"; then
  62                         proto_notify_error "$cfg" "NO_WAN_LINK"
  63                         exit
  64                 fi
  65         }
  66
  67         vti_generic_setup $cfg $mode $ipaddr $peeraddr "vti-$cfg"
  68 }
  69
  70 proto_vti_setup() {
  71         local cfg="$1"
  72
  73         vti_setup $cfg "vtiip"
  74 }
  75
  76 vti6_setup() {
  77         local cfg="$1"
  78         local mode="$2"
  79
  80         local ip6addr peer6addr weakif
  81         json_get_vars ip6addr peer6addr tunlink weakif
  82
  83         [ -z "$peer6addr" ] && {
  84                 proto_notify_error "$cfg" "MISSING_ADDRESS"
  85                 proto_block_restart "$cfg"
  86                 exit
  87         }
  88
  89         ( proto_add_host_dependency "$cfg" "$peer6addr" "$tunlink" )
  90
  91         [ -z "$ip6addr" ] && {
  92                 local wanif="$tunlink"
  93                 if [ -z $wanif ] && ! network_find_wan6 wanif; then
  94                         proto_notify_error "$cfg" "NO_WAN_LINK"
  95                         exit
  96                 fi
  97
  98                 if ! network_get_ipaddr6 ip6addr "$wanif"; then
  99                         [ -z "$weakif" ] && weakif="lan"
 100                         if ! network_get_ipaddr6 ip6addr "$weakif"; then
 101                                 proto_notify_error "$cfg" "NO_WAN_LINK"
 102                                 exit
 103                         fi
 104                 fi
 105         }
 106
 107         vti_generic_setup $cfg $mode $ip6addr $peer6addr "vti6-$cfg"
 108 }
 109
 110 proto_vti6_setup() {
 111         local cfg="$1"
 112
 113         vti6_setup $cfg "vtiip6"
 114 }
 115
 116 proto_vti_teardown() {
 117         local cfg="$1"
 118 }
 119
 120 proto_vti6_teardown() {
 121         local cfg="$1"
 122 }
 123
 124 vti_generic_init_config() {
 125         no_device=1
 126         available=1
 127
 128         proto_config_add_int "mtu"
 129         proto_config_add_string "tunlink"
 130         proto_config_add_string "zone"
 131         proto_config_add_int "ikey"
 132         proto_config_add_int "okey"
 133 }
 134
 135 proto_vti_init_config() {
 136         vti_generic_init_config
 137         proto_config_add_string "ipaddr"
 138         proto_config_add_string "peeraddr"
 139 }
 140
 141 proto_vti6_init_config() {
 142         vti_generic_init_config
 143         proto_config_add_string "ip6addr"
 144         proto_config_add_string "peer6addr"
 145         proto_config_add_string "weakif"
 146 }
 147
 148 [ -n "$INCLUDE_ONLY" ] || {
 149         [ -f /lib/modules/$(uname -r)/ip_vti.ko ] && add_protocol vti
 150         [ -f /lib/modules/$(uname -r)/ip6_vti.ko ] && add_protocol vti6
 151 }