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