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