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 "proto_$1_teardown \"$interface\" \"$ifname\""
  32 }
  33
  34 _proto_do_setup() {
  35         json_load "$data"
  36         _EXPORT_VAR=0
  37         _EXPORT_VARS=
  38         eval "proto_$1_setup \"$interface\" \"$ifname\""
  39 }
  40
  41 proto_init_update() {
  42         local ifname="$1"
  43         local up="$2"
  44         local external="$3"
  45
  46         PROTO_KEEP=0
  47         PROTO_INIT=1
  48         PROTO_TUNNEL_OPEN=
  49         PROTO_IPADDR=
  50         PROTO_IP6ADDR=
  51         PROTO_ROUTE=
  52         PROTO_ROUTE6=
  53         PROTO_DNS=
  54         PROTO_DNS_SEARCH=
  55         json_init
  56         json_add_int action 0
  57         [ -n "$ifname" -a "*" != "$ifname" ] && json_add_string "ifname" "$ifname"
  58         json_add_boolean "link-up" "$up"
  59         [ -n "$3" ] && json_add_boolean "address-external" "$external"
  60 }
  61
  62 proto_set_keep() {
  63         PROTO_KEEP="$1"
  64 }
  65
  66 proto_close_nested() {
  67         [ -n "$PROTO_NESTED_OPEN" ] && json_close_object
  68         PROTO_NESTED_OPEN=
  69 }
  70
  71 proto_add_nested() {
  72         PROTO_NESTED_OPEN=1
  73         json_add_object "$1"
  74 }
  75
  76 proto_add_tunnel() {
  77         proto_add_nested "tunnel"
  78 }
  79
  80 proto_close_tunnel() {
  81         proto_close_nested
  82 }
  83
  84 proto_add_data() {
  85         proto_add_nested "data"
  86 }
  87
  88 proto_close_data() {
  89         proto_close_nested
  90 }
  91
  92 proto_add_dns_server() {
  93         local address="$1"
  94
  95         jshn_append PROTO_DNS "$address"
  96 }
  97
  98 proto_add_dns_search() {
  99         local address="$1"
 100
 101         jshn_append PROTO_DNS_SEARCH "$address"
 102 }
 103
 104 proto_add_ipv4_address() {
 105         local address="$1"
 106         local mask="$2"
 107         local broadcast="$3"
 108
 109         jshn_append PROTO_IPADDR "$address/$mask/$broadcast"
 110 }
 111
 112 proto_add_ipv6_address() {
 113         local address="$1"
 114         local mask="$2"
 115
 116         jshn_append PROTO_IP6ADDR "$address/$mask"
 117 }
 118
 119 proto_add_ipv4_route() {
 120         local target="$1"
 121         local mask="$2"
 122         local gw="$3"
 123
 124         jshn_append PROTO_ROUTE "$target/$mask/$gw"
 125 }
 126
 127 proto_add_ipv6_route() {
 128         local target="$1"
 129         local mask="$2"
 130         local gw="$3"
 131
 132         jshn_append PROTO_ROUTE6 "$target/$mask/$gw"
 133 }
 134
 135 _proto_push_ipv4_addr() {
 136         local str="$1"
 137         local address mask broadcast
 138
 139         address="${str%%/*}"
 140         str="${str#*/}"
 141         mask="${str%%/*}"
 142         str="${str#*/}"
 143         broadcast="$str"
 144
 145         json_add_object ""
 146         json_add_string ipaddr "$address"
 147         [ -n "$mask" ] && json_add_string mask "$mask"
 148         [ -n "$broadcast" ] && json_add_string broadcast "$broadcast"
 149         json_close_object
 150 }
 151
 152 _proto_push_ipv6_addr() {
 153         local str="$1"
 154         local address mask
 155
 156         address="${str%%/*}"
 157         str="${str#*/}"
 158         mask="$str"
 159
 160         json_add_object ""
 161         json_add_string ipaddr "$address"
 162         [ -n "$mask" ] && json_add_string mask "$mask"
 163         json_close_object
 164 }
 165
 166 _proto_push_string() {
 167         json_add_string "" "$1"
 168 }
 169
 170 _proto_push_route() {
 171         local str="$1";
 172         local target="${str%%/*}"
 173         str="${str#*/}"
 174         local mask="${str%%/*}"
 175         local gw="${str#*/}"
 176
 177         json_add_object ""
 178         json_add_string target "$target"
 179         json_add_string netmask "$mask"
 180         [ -n "$gw" ] && json_add_string gateway "$gw"
 181         json_close_object
 182 }
 183
 184 _proto_push_array() {
 185         local name="$1"
 186         local val="$2"
 187         local cb="$3"
 188
 189         [ -n "$val" ] || return 0
 190         json_add_array "$name"
 191         for item in $val; do
 192                 eval "$cb \"\$item\""
 193         done
 194         json_close_array
 195 }
 196
 197 _proto_notify() {
 198         local interface="$1"
 199         local options="$2"
 200         ubus $options call network.interface."$interface" notify_proto "$(json_dump)"
 201 }
 202
 203 proto_send_update() {
 204         local interface="$1"
 205
 206         proto_close_nested
 207         json_add_boolean keep "$PROTO_KEEP"
 208         _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ipv4_addr
 209         _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ipv6_addr
 210         _proto_push_array "routes" "$PROTO_ROUTE" _proto_push_route
 211         _proto_push_array "routes6" "$PROTO_ROUTE6" _proto_push_route
 212         _proto_push_array "dns" "$PROTO_DNS" _proto_push_string
 213         _proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_string
 214         _proto_notify "$interface"
 215 }
 216
 217 proto_export() {
 218         local var="VAR${_EXPORT_VAR}"
 219         _EXPORT_VAR="$(($_EXPORT_VAR + 1))"
 220         export -- "$var=$1"
 221         jshn_append _EXPORT_VARS "$var"
 222 }
 223
 224 proto_run_command() {
 225         local interface="$1"; shift
 226
 227         json_init
 228         json_add_int action 1
 229         json_add_array command
 230         while [ $# -gt 0 ]; do
 231                 json_add_string "" "$1"
 232                 shift
 233         done
 234         json_close_array
 235         [ -n "$_EXPORT_VARS" ] && {
 236                 json_add_array env
 237                 for var in $_EXPORT_VARS; do
 238                         eval "json_add_string \"\" \"\${$var}\""
 239                 done
 240                 json_close_array
 241         }
 242         _proto_notify "$interface"
 243 }
 244
 245 proto_kill_command() {
 246         local interface="$1"; shift
 247
 248         json_init
 249         json_add_int action 2
 250         [ -n "$1" ] && json_add_int signal "$1"
 251         _proto_notify "$interface"
 252 }
 253
 254 proto_notify_error() {
 255         local interface="$1"; shift
 256
 257         json_init
 258         json_add_int action 3
 259         json_add_array error
 260         while [ $# -gt 0 ]; do
 261                 json_add_string "" "$1"
 262                 shift
 263         done
 264         json_close_array
 265         _proto_notify "$interface"
 266 }
 267
 268 proto_block_restart() {
 269         local interface="$1"; shift
 270
 271         json_init
 272         json_add_int action 4
 273         _proto_notify "$interface"
 274 }
 275
 276 proto_set_available() {
 277         local interface="$1"
 278         local state="$2"
 279         json_init
 280         json_add_int action 5
 281         json_add_boolean available "$state"
 282         _proto_notify "$interface"
 283 }
 284
 285 proto_add_host_dependency() {
 286         local interface="$1"
 287         local host="$2"
 288
 289         json_init
 290         json_add_int action 6
 291         json_add_string host "$host"
 292         _proto_notify "$interface" -S
 293 }
 294
 295 init_proto() {
 296         proto="$1"; shift
 297         cmd="$1"; shift
 298
 299         case "$cmd" in
 300                 dump)
 301                         add_protocol() {
 302                                 no_device=0
 303                                 available=0
 304
 305                                 add_default_handler "proto_$1_init_config"
 306
 307                                 json_init
 308                                 json_add_string "name" "$1"
 309                                 json_add_array "config"
 310                                 eval "proto_$1_init_config"
 311                                 json_close_array
 312                                 json_add_boolean no-device "$no_device"
 313                                 json_add_boolean available "$available"
 314                                 json_dump
 315                         }
 316                 ;;
 317                 setup|teardown)
 318                         interface="$1"; shift
 319                         data="$1"; shift
 320                         ifname="$1"; shift
 321
 322                         add_protocol() {
 323                                 [[ "$proto" == "$1" ]] || return 0
 324
 325                                 case "$cmd" in
 326                                         setup) _proto_do_setup "$1";;
 327                                         teardown) _proto_do_teardown "$1" ;;
 328                                         *) return 1 ;;
 329                                 esac
 330                         }
 331                 ;;
 332         esac
 333 }