dummy/netifd-proto.sh

   1 . /usr/share/libubox/jshn.sh
   2
   3 proto_config_add_generic() {
   4         json_add_array ""
   5         json_add_string "" "$1"
   6         json_add_int "" "$2"
   7         json_close_array
   8 }
   9
  10 proto_config_add_int() {
  11         proto_config_add_generic "$1" 5
  12 }
  13
  14 proto_config_add_string() {
  15         proto_config_add_generic "$1" 3
  16 }
  17
  18 proto_config_add_boolean() {
  19         proto_config_add_generic "$1" 7
  20 }
  21
  22 add_default_handler() {
  23         case "$(type $1 2>/dev/null)" in
  24                 *function*) return;;
  25                 *) eval "$1() { return; }"
  26         esac
  27 }
  28
  29 _proto_do_teardown() {
  30         json_load "$data"
  31         eval "$1_teardown \"$interface\" \"$ifname\""
  32 }
  33
  34 _proto_do_setup() {
  35         json_load "$data"
  36         eval "$1_setup \"$interface\" \"$ifname\""
  37 }
  38
  39 proto_init_update() {
  40         local ifname="$1"
  41         local up="$2"
  42         local external="$3"
  43
  44         PROTO_INIT=1
  45         PROTO_IPADDR=
  46         PROTO_IP6ADDR=
  47         PROTO_ROUTE=
  48         PROTO_ROUTE6=
  49         json_init
  50         json_add_int action 0
  51         json_add_string "ifname" "$ifname"
  52         json_add_boolean "link-up" "$up"
  53         [ -n "$3" ] && json_add_boolean "address-external" "$external"
  54 }
  55
  56 proto_add_dns_server() {
  57         local address="$1"
  58
  59         jshn_append PROTO_DNS "$address"
  60 }
  61
  62 proto_add_ipv4_address() {
  63         local address="$1"
  64         local mask="$2"
  65
  66         jshn_append PROTO_IPADDR "$address/$mask"
  67 }
  68
  69 proto_add_ipv6_address() {
  70         local address="$1"
  71         local mask="$2"
  72
  73         jshn_append PROTO_IP6ADDR "$address/$mask"
  74 }
  75
  76 proto_add_ipv4_route() {
  77         local target="$1"
  78         local mask="$2"
  79         local gw="$3"
  80
  81         jshn_append PROTO_ROUTE "$target/$mask/$gw"
  82 }
  83
  84 proto_add_ipv6_route() {
  85         local target="$1"
  86         local mask="$2"
  87         local gw="$3"
  88
  89         jshn_append PROTO_ROUTE6 "$target/$mask/$gw"
  90 }
  91
  92 _proto_push_ip() {
  93         json_add_string "" "$1"
  94 }
  95
  96 _proto_push_route() {
  97         local str="$1";
  98         local target="${str%%/*}"
  99         str="${str#*/}"
 100         local mask="${str%%/*}"
 101         local gw="${str#*/}"
 102
 103         json_add_table ""
 104         json_add_string target "$target"
 105         json_add_integer mask "$mask"
 106         json_add_string gateway "$gw"
 107         json_close_table
 108 }
 109
 110 _proto_push_array() {
 111         local name="$1"
 112         local val="$2"
 113         local cb="$3"
 114
 115         [ -n "$val" ] || return 0
 116         json_add_array "$name"
 117         for item in $val; do
 118                 eval "$cb \"\$item\""
 119         done
 120         json_close_array
 121 }
 122
 123 _proto_notify() {
 124         ubus call network.interface."$interface" notify_proto "$(json_dump)"
 125 }
 126
 127 proto_send_update() {
 128         local interface="$1"
 129
 130         _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ip
 131         _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ip
 132         _proto_push_array "route" "$PROTO_ROUTE" _proto_push_route
 133         _proto_push_array "route6" "$PROTO_ROUTE6" _proto_push_route
 134         _proto_push_array "dns" "$PROTO_DNS" _proto_push_ip
 135         _proto_notify
 136 }
 137
 138 proto_run_command() {
 139         json_init
 140         json_add_int action 1
 141         json_add_array command
 142         while [ $# -gt 0 ]; do
 143                 json_add_string "" "$1"
 144                 shift
 145         done
 146         _proto_notify
 147 }
 148
 149 init_proto() {
 150         proto="$1"; shift
 151         cmd="$1"; shift
 152
 153         case "$cmd" in
 154                 dump)
 155                         add_protocol() {
 156                                 no_device=0
 157                                 available=0
 158
 159                                 add_default_handler "$1_init_config"
 160
 161                                 json_init
 162                                 json_add_string "name" "$1"
 163                                 eval "$1_init"
 164                                 json_add_boolean no-device "$no_device"
 165                                 json_add_boolean available "$available"
 166                                 json_add_array "config"
 167                                 eval "$1_init_config"
 168                                 json_close_array
 169                                 json_dump
 170                         }
 171                 ;;
 172                 setup|teardown)
 173                         interface="$1"; shift
 174                         data="$1"; shift
 175                         ifname="$1"; shift
 176
 177                         add_protocol() {
 178                                 [[ "$proto" == "$1" ]] || return 0
 179
 180                                 case "$cmd" in
 181                                         setup) _proto_do_setup "$1";;
 182                                         teardown) _proto_do_teardown "$1" ;;
 183                                         *) return 1 ;;
 184                                 esac
 185                         }
 186                 ;;
 187         esac
 188 }