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         _EXPORT_VAR=0
  37         _EXPORT_VARS=
  38         eval "$1_setup \"$interface\" \"$ifname\""
  39 }
  40
  41 proto_init_update() {
  42         local ifname="$1"
  43         local up="$2"
  44         local external="$3"
  45
  46         PROTO_INIT=1
  47         PROTO_IPADDR=
  48         PROTO_IP6ADDR=
  49         PROTO_ROUTE=
  50         PROTO_ROUTE6=
  51         json_init
  52         json_add_int action 0
  53         [ -n "$ifname" -a "*" != "$ifname" ] && json_add_string "ifname" "$ifname"
  54         json_add_boolean "link-up" "$up"
  55         [ -n "$3" ] && json_add_boolean "address-external" "$external"
  56 }
  57
  58 proto_add_dns_server() {
  59         local address="$1"
  60
  61         jshn_append PROTO_DNS "$address"
  62 }
  63
  64 proto_add_dns_search() {
  65         local address="$1"
  66
  67         jshn_append PROTO_DNS_SEARCH "$address"
  68 }
  69
  70 proto_add_ipv4_address() {
  71         local address="$1"
  72         local mask="$2"
  73
  74         jshn_append PROTO_IPADDR "$address/$mask"
  75 }
  76
  77 proto_add_ipv6_address() {
  78         local address="$1"
  79         local mask="$2"
  80
  81         jshn_append PROTO_IP6ADDR "$address/$mask"
  82 }
  83
  84 proto_add_ipv4_route() {
  85         local target="$1"
  86         local mask="$2"
  87         local gw="$3"
  88
  89         jshn_append PROTO_ROUTE "$target/$mask/$gw"
  90 }
  91
  92 proto_add_ipv6_route() {
  93         local target="$1"
  94         local mask="$2"
  95         local gw="$3"
  96
  97         jshn_append PROTO_ROUTE6 "$target/$mask/$gw"
  98 }
  99
 100 _proto_push_ip() {
 101         json_add_string "" "$1"
 102 }
 103
 104 _proto_push_route() {
 105         local str="$1";
 106         local target="${str%%/*}"
 107         str="${str#*/}"
 108         local mask="${str%%/*}"
 109         local gw="${str#*/}"
 110
 111         json_add_object ""
 112         json_add_string target "$target"
 113         json_add_string mask "$mask"
 114         json_add_string gateway "$gw"
 115         json_close_object
 116 }
 117
 118 _proto_push_array() {
 119         local name="$1"
 120         local val="$2"
 121         local cb="$3"
 122
 123         [ -n "$val" ] || return 0
 124         json_add_array "$name"
 125         for item in $val; do
 126                 eval "$cb \"\$item\""
 127         done
 128         json_close_array
 129 }
 130
 131 _proto_notify() {
 132         local interface="$1"
 133         ubus call network.interface."$interface" notify_proto "$(json_dump)"
 134 }
 135
 136 proto_send_update() {
 137         local interface="$1"
 138
 139         _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ip
 140         _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ip
 141         _proto_push_array "routes" "$PROTO_ROUTE" _proto_push_route
 142         _proto_push_array "routes6" "$PROTO_ROUTE6" _proto_push_route
 143         _proto_push_array "dns" "$PROTO_DNS" _proto_push_ip
 144         _proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_ip
 145         _proto_notify "$interface"
 146 }
 147
 148 proto_export() {
 149         local var="VAR${_EXPORT_VAR}"
 150         _EXPORT_VAR="$(($_EXPORT_VAR + 1))"
 151         export -- "$var=$1"
 152         jshn_append _EXPORT_VARS "$var"
 153 }
 154
 155 proto_run_command() {
 156         local interface="$1"; shift
 157
 158         json_init
 159         json_add_int action 1
 160         json_add_array command
 161         while [ $# -gt 0 ]; do
 162                 json_add_string "" "$1"
 163                 shift
 164         done
 165         json_close_array
 166         [ -n "$_EXPORT_VARS" ] && {
 167                 json_add_array env
 168                 for var in $_EXPORT_VARS; do
 169                         eval "json_add_string \"\" \"\${$var}\""
 170                 done
 171                 json_close_array
 172         }
 173         _proto_notify "$interface"
 174 }
 175
 176 proto_kill_command() {
 177         local interface="$1"; shift
 178
 179         json_init
 180         json_add_int action 2
 181         [ -n "$1" ] && json_add_int signal "$1"
 182         _proto_notify "$interface"
 183 }
 184
 185 init_proto() {
 186         proto="$1"; shift
 187         cmd="$1"; shift
 188
 189         case "$cmd" in
 190                 dump)
 191                         add_protocol() {
 192                                 no_device=0
 193                                 available=0
 194
 195                                 add_default_handler "$1_init_config"
 196
 197                                 json_init
 198                                 json_add_string "name" "$1"
 199                                 eval "$1_init"
 200                                 json_add_boolean no-device "$no_device"
 201                                 json_add_boolean available "$available"
 202                                 json_add_array "config"
 203                                 eval "$1_init_config"
 204                                 json_close_array
 205                                 json_dump
 206                         }
 207                 ;;
 208                 setup|teardown)
 209                         interface="$1"; shift
 210                         data="$1"; shift
 211                         ifname="$1"; shift
 212
 213                         add_protocol() {
 214                                 [[ "$proto" == "$1" ]] || return 0
 215
 216                                 case "$cmd" in
 217                                         setup) _proto_do_setup "$1";;
 218                                         teardown) _proto_do_teardown "$1" ;;
 219                                         *) return 1 ;;
 220                                 esac
 221                         }
 222                 ;;
 223         esac
 224 }