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