Improved IPv6 featureset
[project/netifd.git] / dummy / netifd-proto.sh
index e61de46..ae5a346 100755 (executable)
@@ -1,5 +1,13 @@
 . /usr/share/libubox/jshn.sh
 
+append() {
+       local var="$1"
+       local value="$2"
+       local sep="${3:- }"
+
+       eval "export -- \"$var=\${$var:+\${$var}\${value:+\$sep}}\$value\""
+}
+
 proto_config_add_generic() {
        json_add_array ""
        json_add_string "" "$1"
@@ -28,14 +36,14 @@ add_default_handler() {
 
 _proto_do_teardown() {
        json_load "$data"
-       eval "$1_teardown \"$interface\" \"$ifname\""
+       eval "proto_$1_teardown \"$interface\" \"$ifname\""
 }
 
 _proto_do_setup() {
        json_load "$data"
        _EXPORT_VAR=0
        _EXPORT_VARS=
-       eval "$1_setup \"$interface\" \"$ifname\""
+       eval "proto_$1_setup \"$interface\" \"$ifname\""
 }
 
 proto_init_update() {
@@ -43,11 +51,14 @@ proto_init_update() {
        local up="$2"
        local external="$3"
 
+       PROTO_KEEP=0
        PROTO_INIT=1
+       PROTO_TUNNEL_OPEN=
        PROTO_IPADDR=
        PROTO_IP6ADDR=
        PROTO_ROUTE=
        PROTO_ROUTE6=
+       PROTO_PREFIX6=
        PROTO_DNS=
        PROTO_DNS_SEARCH=
        json_init
@@ -57,30 +68,65 @@ proto_init_update() {
        [ -n "$3" ] && json_add_boolean "address-external" "$external"
 }
 
+proto_set_keep() {
+       PROTO_KEEP="$1"
+}
+
+proto_close_nested() {
+       [ -n "$PROTO_NESTED_OPEN" ] && json_close_object
+       PROTO_NESTED_OPEN=
+}
+
+proto_add_nested() {
+       PROTO_NESTED_OPEN=1
+       json_add_object "$1"
+}
+
+proto_add_tunnel() {
+       proto_add_nested "tunnel"
+}
+
+proto_close_tunnel() {
+       proto_close_nested
+}
+
+proto_add_data() {
+       proto_add_nested "data"
+}
+
+proto_close_data() {
+       proto_close_nested
+}
+
 proto_add_dns_server() {
        local address="$1"
 
-       jshn_append PROTO_DNS "$address"
+       append PROTO_DNS "$address"
 }
 
 proto_add_dns_search() {
        local address="$1"
 
-       jshn_append PROTO_DNS_SEARCH "$address"
+       append PROTO_DNS_SEARCH "$address"
 }
 
 proto_add_ipv4_address() {
        local address="$1"
        local mask="$2"
+       local broadcast="$3"
+       local ptp="$4"
 
-       jshn_append PROTO_IPADDR "$address/$mask"
+       append PROTO_IPADDR "$address/$mask/$broadcast/$ptp"
 }
 
 proto_add_ipv6_address() {
        local address="$1"
        local mask="$2"
+       local preferred="$3"
+       local valid="$4"
+       local offlink="$5"
 
-       jshn_append PROTO_IP6ADDR "$address/$mask"
+       append PROTO_IP6ADDR "$address/$mask/$preferred/$valid/$offlink"
 }
 
 proto_add_ipv4_route() {
@@ -88,18 +134,76 @@ proto_add_ipv4_route() {
        local mask="$2"
        local gw="$3"
 
-       jshn_append PROTO_ROUTE "$target/$mask/$gw"
+       append PROTO_ROUTE "$target/$mask/$gw//"
 }
 
 proto_add_ipv6_route() {
        local target="$1"
        local mask="$2"
        local gw="$3"
+       local metric="$4"
+       local valid="$5"
+
+       append PROTO_ROUTE6 "$target/$mask/$gw/$metric/$valid"
+}
+
+proto_add_ipv6_prefix() {
+       local prefix="$1"
+       local valid="$2"
+       local preferred="$3"
+
+       if [ -z "$valid" ]; then
+               append PROTO_PREFIX6 "$prefix"
+       else
+               [ -z "$preferred" ] && preferred="$valid"
+               append PROTO_PREFIX6 "$prefix,$valid,$preferred"
+       fi
+}
+
+_proto_push_ipv4_addr() {
+       local str="$1"
+       local address mask broadcast ptp
+
+       address="${str%%/*}"
+       str="${str#*/}"
+       mask="${str%%/*}"
+       str="${str#*/}"
+       broadcast="${str%%/*}"
+       str="${str#*/}"
+       ptp="$str"
+
+       json_add_object ""
+       json_add_string ipaddr "$address"
+       [ -n "$mask" ] && json_add_string mask "$mask"
+       [ -n "$broadcast" ] && json_add_string broadcast "$broadcast"
+       [ -n "$ptp" ] && json_add_string ptp "$ptp"
+       json_close_object
+}
+
+_proto_push_ipv6_addr() {
+       local str="$1"
+       local address mask preferred valid offlink
+
+       address="${str%%/*}"
+       str="${str#*/}"
+       mask="${str%%/*}"
+       str="${str#*/}"
+       preferred="${str%%/*}"
+       str="${str#*/}"
+       valid="${str%%/*}"
+       str="${str#*/}"
+       offlink="${str%%/*}"
 
-       jshn_append PROTO_ROUTE6 "$target/$mask/$gw"
+       json_add_object ""
+       json_add_string ipaddr "$address"
+       [ -n "$mask" ] && json_add_string mask "$mask"
+       [ -n "$preferred" ] && json_add_int preferred "$preferred"
+       [ -n "$valid" ] && json_add_int valid "$valid"
+       [ -n "$offlink" ] && json_add_boolean offlink "$offlink"
+       json_close_object
 }
 
-_proto_push_ip() {
+_proto_push_string() {
        json_add_string "" "$1"
 }
 
@@ -108,12 +212,19 @@ _proto_push_route() {
        local target="${str%%/*}"
        str="${str#*/}"
        local mask="${str%%/*}"
-       local gw="${str#*/}"
+       str="${str#*/}"
+       local gw="${str%%/*}"
+       str="${str#*/}"
+       local metric="${str%%/*}"
+       str="${str#*/}"
+       local valid="${str%%/*}"
 
        json_add_object ""
        json_add_string target "$target"
        json_add_string netmask "$mask"
-       json_add_string gateway "$gw"
+       [ -n "$gw" ] && json_add_string gateway "$gw"
+       [ -n "$metric" ] && json_add_int metric "$metric"
+       [ -n "$valid" ] && json_add_int valid "$valid"
        json_close_object
 }
 
@@ -132,18 +243,23 @@ _proto_push_array() {
 
 _proto_notify() {
        local interface="$1"
-       ubus call network.interface."$interface" notify_proto "$(json_dump)"
+       local options="$2"
+       json_add_string "interface" "$interface"
+       ubus $options call network.interface notify_proto "$(json_dump)"
 }
 
 proto_send_update() {
        local interface="$1"
 
-       _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ip
-       _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ip
+       proto_close_nested
+       json_add_boolean keep "$PROTO_KEEP"
+       _proto_push_array "ipaddr" "$PROTO_IPADDR" _proto_push_ipv4_addr
+       _proto_push_array "ip6addr" "$PROTO_IP6ADDR" _proto_push_ipv6_addr
        _proto_push_array "routes" "$PROTO_ROUTE" _proto_push_route
        _proto_push_array "routes6" "$PROTO_ROUTE6" _proto_push_route
-       _proto_push_array "dns" "$PROTO_DNS" _proto_push_ip
-       _proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_ip
+       _proto_push_array "ip6prefix" "$PROTO_PREFIX6" _proto_push_string
+       _proto_push_array "dns" "$PROTO_DNS" _proto_push_string
+       _proto_push_array "dns_search" "$PROTO_DNS_SEARCH" _proto_push_string
        _proto_notify "$interface"
 }
 
@@ -151,7 +267,7 @@ proto_export() {
        local var="VAR${_EXPORT_VAR}"
        _EXPORT_VAR="$(($_EXPORT_VAR + 1))"
        export -- "$var=$1"
-       jshn_append _EXPORT_VARS "$var"
+       append _EXPORT_VARS "$var"
 }
 
 proto_run_command() {
@@ -206,6 +322,36 @@ proto_block_restart() {
        _proto_notify "$interface"
 }
 
+proto_set_available() {
+       local interface="$1"
+       local state="$2"
+       json_init
+       json_add_int action 5
+       json_add_boolean available "$state"
+       _proto_notify "$interface"
+}
+
+proto_add_host_dependency() {
+       local interface="$1"
+       local host="$2"
+
+       # execute in subshell to not taint callers env
+       # see tickets #11046, #11545, #11570
+       (
+               json_init
+               json_add_int action 6
+               json_add_string host "$host"
+               _proto_notify "$interface" -S
+       )
+}
+
+proto_setup_failed() {
+       local interface="$1"
+       json_init
+       json_add_int action 7
+       _proto_notify "$interface"
+}
+
 init_proto() {
        proto="$1"; shift
        cmd="$1"; shift
@@ -216,16 +362,15 @@ init_proto() {
                                no_device=0
                                available=0
 
-                               add_default_handler "$1_init_config"
+                               add_default_handler "proto_$1_init_config"
 
                                json_init
                                json_add_string "name" "$1"
-                               eval "$1_init"
-                               json_add_boolean no-device "$no_device"
-                               json_add_boolean available "$available"
                                json_add_array "config"
-                               eval "$1_init_config"
+                               eval "proto_$1_init_config"
                                json_close_array
+                               json_add_boolean no-device "$no_device"
+                               json_add_boolean available "$available"
                                json_dump
                        }
                ;;