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         eval "$1_setup \"$interface\" \"$ifname\""
  37 }
  38
  39 proto_init_update() {
  40         local ifname="$1"
  41         local up="$2"
  42         local external="$3"
  43
  44         PROTO_INIT=1
  45         PROTO_IPADDR=
  46         PROTO_IP6ADDR=
  47         PROTO_ROUTE=
  48         PROTO_ROUTE6=
  49         json_init
  50         json_add_int action 0
  51         [ -n "$ifname" -a "*" != "$ifname" ] && json_add_string "ifname" "$ifname"
  52         json_add_boolean "link-up" "$up"
  53         [ -n "$3" ] && json_add_boolean "address-external" "$external"
  54 }
  55
  56 proto_add_dns_server() {
  57         local address="$1"
  58
  59         jshn_append PROTO_DNS "$address"
  60 }
  61
  62 proto_add_dns_search() {
  63         local address="$1"
  64
  65         jshn_append PROTO_DNS_SEARCH "$address"
  66 }
  67
  68 proto_add_ipv4_address() {
  69         local address="$1"
  70         local mask="$2"
  71
  72         jshn_append PROTO_IPADDR "$address/$mask"
  73 }
  74
  75 proto_add_ipv6_address() {
  76         local address="$1"
  77         local mask="$2"
  78
  79         jshn_append PROTO_IP6ADDR "$address/$mask"
  80 }
  81
  82 proto_add_ipv4_route() {
  83         local target="$1"
  84         local mask="$2"
  85         local gw="$3"
  86
  87         jshn_append PROTO_ROUTE "$target/$mask/$gw"
  88 }
  89
  90 proto_add_ipv6_route() {
  91         local target="$1"
  92         local mask="$2"
  93         local gw="$3"
  94
  95         jshn_append PROTO_ROUTE6 "$target/$mask/$gw"
  96 }
  97
  98 _proto_push_ip() {
  99         json_add_string "" "$1"
 100 }
 101
 102 _proto_push_route() {
 103         local str="$1";
 104         local target="${str%%/*}"
 105         str="${str#*/}"
 106         local mask="${str%%/*}"
 107         local gw="${str#*/}"
 108
 109         json_add_table ""
 110         json_add_string target "$target"
 111         json_add_integer mask "$mask"
 112         json_add_string gateway "$gw"
 113         json_close_table
 114 }
 115
 116 _proto_push_array() {
 117         local name="$1"
 118         local val="$2"
 119         local cb="$3"
 120
 121         [ -n "$val" ] || return 0
 122         json_add_array "$name"
 123         for item in $val; do
 124                 eval "$cb \"\$item\""
 125         done
 126         json_close_array
 127 }
 128
 129 _proto_notify() {
 130         local interface="$1"
 131         ubus call network.interface."$interface" notify_proto "$(json_dump)"
 132 }
 133
 134 proto_send_update() {
 135         local interface="$1"
 136
 137         _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ip
 138         _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ip
 139         _proto_push_array "route" "$PROTO_ROUTE" _proto_push_route
 140         _proto_push_array "route6" "$PROTO_ROUTE6" _proto_push_route
 141         _proto_push_array "dns" "$PROTO_DNS" _proto_push_ip
 142         _proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_ip
 143         _proto_notify "$interface"
 144 }
 145
 146 proto_run_command() {
 147         local interface="$1"; shift
 148
 149         json_init
 150         json_add_int action 1
 151         json_add_array command
 152         while [ $# -gt 0 ]; do
 153                 json_add_string "" "$1"
 154                 shift
 155         done
 156         _proto_notify "$interface"
 157 }
 158
 159 proto_kill_command() {
 160         local interface="$1"; shift
 161
 162         json_init
 163         json_add_int action 2
 164         [ -n "$1" ] && json_add_int signal "$1"
 165         _proto_notify "$interface"
 166 }
 167
 168 init_proto() {
 169         proto="$1"; shift
 170         cmd="$1"; shift
 171
 172         case "$cmd" in
 173                 dump)
 174                         add_protocol() {
 175                                 no_device=0
 176                                 available=0
 177
 178                                 add_default_handler "$1_init_config"
 179
 180                                 json_init
 181                                 json_add_string "name" "$1"
 182                                 eval "$1_init"
 183                                 json_add_boolean no-device "$no_device"
 184                                 json_add_boolean available "$available"
 185                                 json_add_array "config"
 186                                 eval "$1_init_config"
 187                                 json_close_array
 188                                 json_dump
 189                         }
 190                 ;;
 191                 setup|teardown)
 192                         interface="$1"; shift
 193                         data="$1"; shift
 194                         ifname="$1"; shift
 195
 196                         add_protocol() {
 197                                 [[ "$proto" == "$1" ]] || return 0
 198
 199                                 case "$cmd" in
 200                                         setup) _proto_do_setup "$1";;
 201                                         teardown) _proto_do_teardown "$1" ;;
 202                                         *) return 1 ;;
 203                                 esac
 204                         }
 205                 ;;
 206         esac
 207 }