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         local ptp="$4"
 109
 110         jshn_append PROTO_IPADDR "$address/$mask/$broadcast/$ptp"
 111 }
 112
 113 proto_add_ipv6_address() {
 114         local address="$1"
 115         local mask="$2"
 116
 117         jshn_append PROTO_IP6ADDR "$address/$mask"
 118 }
 119
 120 proto_add_ipv4_route() {
 121         local target="$1"
 122         local mask="$2"
 123         local gw="$3"
 124
 125         jshn_append PROTO_ROUTE "$target/$mask/$gw"
 126 }
 127
 128 proto_add_ipv6_route() {
 129         local target="$1"
 130         local mask="$2"
 131         local gw="$3"
 132
 133         jshn_append PROTO_ROUTE6 "$target/$mask/$gw"
 134 }
 135
 136 _proto_push_ipv4_addr() {
 137         local str="$1"
 138         local address mask broadcast ptp
 139
 140         address="${str%%/*}"
 141         str="${str#*/}"
 142         mask="${str%%/*}"
 143         str="${str#*/}"
 144         broadcast="${str%%/*}"
 145         str="${str#*/}"
 146         ptp="$str"
 147
 148         json_add_object ""
 149         json_add_string ipaddr "$address"
 150         [ -n "$mask" ] && json_add_string mask "$mask"
 151         [ -n "$broadcast" ] && json_add_string broadcast "$broadcast"
 152         [ -n "$ptp" ] && json_add_string ptp "$ptp"
 153         json_close_object
 154 }
 155
 156 _proto_push_ipv6_addr() {
 157         local str="$1"
 158         local address mask
 159
 160         address="${str%%/*}"
 161         str="${str#*/}"
 162         mask="$str"
 163
 164         json_add_object ""
 165         json_add_string ipaddr "$address"
 166         [ -n "$mask" ] && json_add_string mask "$mask"
 167         json_close_object
 168 }
 169
 170 _proto_push_string() {
 171         json_add_string "" "$1"
 172 }
 173
 174 _proto_push_route() {
 175         local str="$1";
 176         local target="${str%%/*}"
 177         str="${str#*/}"
 178         local mask="${str%%/*}"
 179         local gw="${str#*/}"
 180
 181         json_add_object ""
 182         json_add_string target "$target"
 183         json_add_string netmask "$mask"
 184         [ -n "$gw" ] && json_add_string gateway "$gw"
 185         json_close_object
 186 }
 187
 188 _proto_push_array() {
 189         local name="$1"
 190         local val="$2"
 191         local cb="$3"
 192
 193         [ -n "$val" ] || return 0
 194         json_add_array "$name"
 195         for item in $val; do
 196                 eval "$cb \"\$item\""
 197         done
 198         json_close_array
 199 }
 200
 201 _proto_notify() {
 202         local interface="$1"
 203         local options="$2"
 204         ubus $options call network.interface."$interface" notify_proto "$(json_dump)"
 205 }
 206
 207 proto_send_update() {
 208         local interface="$1"
 209
 210         proto_close_nested
 211         json_add_boolean keep "$PROTO_KEEP"
 212         _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ipv4_addr
 213         _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ipv6_addr
 214         _proto_push_array "routes" "$PROTO_ROUTE" _proto_push_route
 215         _proto_push_array "routes6" "$PROTO_ROUTE6" _proto_push_route
 216         _proto_push_array "dns" "$PROTO_DNS" _proto_push_string
 217         _proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_string
 218         _proto_notify "$interface"
 219 }
 220
 221 proto_export() {
 222         local var="VAR${_EXPORT_VAR}"
 223         _EXPORT_VAR="$(($_EXPORT_VAR + 1))"
 224         export -- "$var=$1"
 225         jshn_append _EXPORT_VARS "$var"
 226 }
 227
 228 proto_run_command() {
 229         local interface="$1"; shift
 230
 231         json_init
 232         json_add_int action 1
 233         json_add_array command
 234         while [ $# -gt 0 ]; do
 235                 json_add_string "" "$1"
 236                 shift
 237         done
 238         json_close_array
 239         [ -n "$_EXPORT_VARS" ] && {
 240                 json_add_array env
 241                 for var in $_EXPORT_VARS; do
 242                         eval "json_add_string \"\" \"\${$var}\""
 243                 done
 244                 json_close_array
 245         }
 246         _proto_notify "$interface"
 247 }
 248
 249 proto_kill_command() {
 250         local interface="$1"; shift
 251
 252         json_init
 253         json_add_int action 2
 254         [ -n "$1" ] && json_add_int signal "$1"
 255         _proto_notify "$interface"
 256 }
 257
 258 proto_notify_error() {
 259         local interface="$1"; shift
 260
 261         json_init
 262         json_add_int action 3
 263         json_add_array error
 264         while [ $# -gt 0 ]; do
 265                 json_add_string "" "$1"
 266                 shift
 267         done
 268         json_close_array
 269         _proto_notify "$interface"
 270 }
 271
 272 proto_block_restart() {
 273         local interface="$1"; shift
 274
 275         json_init
 276         json_add_int action 4
 277         _proto_notify "$interface"
 278 }
 279
 280 proto_set_available() {
 281         local interface="$1"
 282         local state="$2"
 283         json_init
 284         json_add_int action 5
 285         json_add_boolean available "$state"
 286         _proto_notify "$interface"
 287 }
 288
 289 proto_add_host_dependency() {
 290         local interface="$1"
 291         local host="$2"
 292
 293         json_init
 294         json_add_int action 6
 295         json_add_string host "$host"
 296         _proto_notify "$interface" -S
 297 }
 298
 299 proto_setup_failed() {
 300         local interface="$1"
 301         json_init
 302         json_add_int action 7
 303         _proto_notify "$interface"
 304 }
 305
 306 init_proto() {
 307         proto="$1"; shift
 308         cmd="$1"; shift
 309
 310         case "$cmd" in
 311                 dump)
 312                         add_protocol() {
 313                                 no_device=0
 314                                 available=0
 315
 316                                 add_default_handler "proto_$1_init_config"
 317
 318                                 json_init
 319                                 json_add_string "name" "$1"
 320                                 json_add_array "config"
 321                                 eval "proto_$1_init_config"
 322                                 json_close_array
 323                                 json_add_boolean no-device "$no_device"
 324                                 json_add_boolean available "$available"
 325                                 json_dump
 326                         }
 327                 ;;
 328                 setup|teardown)
 329                         interface="$1"; shift
 330                         data="$1"; shift
 331                         ifname="$1"; shift
 332
 333                         add_protocol() {
 334                                 [[ "$proto" == "$1" ]] || return 0
 335
 336                                 case "$cmd" in
 337                                         setup) _proto_do_setup "$1";;
 338                                         teardown) _proto_do_teardown "$1" ;;
 339                                         *) return 1 ;;
 340                                 esac
 341                         }
 342                 ;;
 343         esac
 344 }