package/gluon-mesh-babel/Makefile

-include $(TOPDIR)/rules.mk
-
-PKG_NAME:=gluon-mesh-babel
-PKG_VERSION:=1
-
-PKG_BUILD_DEPENDS := libbabelhelper
-PKG_BUILD_DEPENDS += libjson-c
-
-include ../gluon.mk
-
-define Package/gluon-mesh-babel
-  TITLE:=Babel mesh
-  DEPENDS:=+gluon-core +babeld +mmfd +libiwinfo +libgluonutil +firewall +libjson-c +libnl-tiny +libubus +libubox +libblobmsg-json +libbabelhelper +luabitop
-  PROVIDES:=gluon-mesh-provider
-endef
-
-define Package/gluon-mesh-babel/install
-	$(Gluon/Build/Install)
-
-	$(INSTALL_DIR) $(1)/lib/gluon/status-page/providers
-	$(INSTALL_BIN) $(PKG_BUILD_DIR)/neighbours-babel $(1)/lib/gluon/status-page/providers/
-endef
-
-$(eval $(call BuildPackageGluon,gluon-mesh-babel))

package/gluon-mesh-babel/check_site.lua

-need_string_match(in_domain({'node_prefix6'}), '^[%x:]+/64$')
-need_string_match(in_domain({'node_client_prefix6'}), '^[%x:]+/64$')
-
-need_string_match(in_domain({'next_node', 'ip6'}), '^[%x:]+$', false)
-need_string_match(in_domain({'next_node', 'ip4'}), '^%d+.%d+.%d+.%d+$', false)
-
-need_string_match(in_domain({'next_node', 'mac'}), '^%x[02468aAcCeE]:%x%x:%x%x:%x%x:%x%x:%x%x$', false)

package/gluon-mesh-babel/files/etc/hotplug.d/iface/90-gluon-babel-brclient-configure-snooping

-#!/bin/sh
-
-case "$ACTION"
-in
-	ifup)
-	echo 1 > /sys/devices/virtual/net/br-client/bridge/multicast_snooping
-	echo 2 > /sys/devices/virtual/net/br-client/bridge/multicast_router
-	;;
-esac

package/gluon-mesh-babel/files/etc/init.d/gluon-mesh-babel

-#!/bin/sh /etc/rc.common
-USE_PROCD=1
-START=45
-PORT=33123
-
-DAEMON=/usr/sbin/babeld
-pidfile=/var/run/gluon-babeld.pid
-CONFIGFILE=/etc/gluon-babeld.conf
-BABELOPTSFILE=/tmp/addn-babelopts
-touch $BABELOPTSFILE
-
-start_service() {
-	procd_open_instance
-	procd_set_param command $DAEMON
-	procd_append_param command -D -I "$pidfile" -G "$PORT" -c "$CONFIGFILE" $(cat $BABELOPTSFILE) babeldummydoesnotexist
-	procd_set_param respawn ${respawn_threshold:-60} ${respawn_timeout:-5} ${respawn_retry:-0}
-	procd_set_param stderr 1
-	procd_set_param stdout 1
-	procd_close_instance
-}
-
-echotobabel() {
-	local count=0
-	local line="$1"
-	local maxretries=10
-	while ! (echo -e "$line" | busybox nc ::1 "$PORT" >/dev/null 2>&1)
-	do
-		sleep 1
-		echo retrying to connect to babeld in PID $$, waited ${count}s >&2
-		count=$((count+1))
-		if [ $count -gt $maxretries ]; then
-			return 1
-		fi
-	done
-	return 0
-}
-
-waitforsocket() {
-	echotobabel "dump"
-	[ $? -gt 0 ] && { echo "Failed to connect to babeld socket on port $PORT, assuming the service was not started properly"; exit 43; }
-}
-
-reload_service() {
-	waitforsocket
-
-	for i in $(ubus call network.interface dump | jsonfilter -e "@.interface[@.proto='gluon_mesh' && @.up=true].device")
-	do
-	if ! echotobabel dump|grep "add interface"|grep -q $i
-	then
-		echotobabel "interface $i update-interval 300"
-	fi
-	done
-
-	for i in $(echotobabel "dump"|grep "add interface"|cut -d" " -f3)
-	do
-		if ! ubus call network.interface dump | jsonfilter -e "@.interface[@.proto='gluon_mesh' && @.up=true].device"|grep -q $i
-		then
-			echotobabel "flush interface $i"
-		fi
-	done
-}
-
-service_triggers() {
-	local script=$(readlink "$initscript")
-	local name=$(basename "${script:-$initscript}")
-
-	procd_open_trigger
-	procd_add_raw_trigger "interface.*" 0 "/etc/init.d/$name" reload
-	procd_close_trigger
-}
-
-service_started() {
-# make sure the init script does not finish until babeld is actually up.
-# unfortunately procd will still start multiple instances of the same script which is why waitforsocket is also run on reload
-	waitforsocket
-}
-stop_service(){
-	kill $(pgrep -P 1 babeld)
-}
-status() {
-	kill -USR1 $(pgrep -P 1 babeld)
-}

package/gluon-mesh-babel/luasrc/lib/gluon/upgrade/300-gluon-mesh-babel-mkconfig

-#!/usr/bin/lua
-
-local site = require 'gluon.site'
-local babelconf='/etc/gluon-babeld.conf'
-
-local file = io.open(babelconf, "w")
-file:write("ipv6-subtrees true\n")
-file:write("reflect-kernel-metric true\n")
-file:write("export-table 254\n")
-file:write("import-table 254\n")
-
-file:write("out ip " .. site.next_node.ip6() .. "/128 deny\n")
-file:write("redistribute ip " .. site.next_node.ip6() .. "/128 deny\n")
-file:write("redistribute ip " .. site.prefix6() .. " eq 128  allow\n")
-file:write("redistribute ip " .. site.node_client_prefix6() .. " eq 128  allow\n")
-file:write("redistribute ip " .. site.node_prefix6() .. " eq 128  allow\n")
-file:write("redistribute local if br-wan deny\n")
-file:write("redistribute local ip 0.0.0.0/0 deny\n")
-file:close()

package/gluon-mesh-babel/src/Makefile

-all: respondd.so neighbours-babel
-
-CFLAGS += -Wall -g -fPIC -D_GNU_SOURCE
-
-ifeq ($(origin PKG_CONFIG), undefined)
-	PKG_CONFIG = pkg-config
-	ifeq ($(shell which $(PKG_CONFIG) 2>/dev/null),)
-		$(error $(PKG_CONFIG) not found)
-	endif
-endif
-
-ifeq ($(origin LIBBABEL_CFLAGS) $(origin LIBBABEL_LDLIBS), undefined undefined)
-	LIBBABEL_NAME ?= libbabelhelper
-	ifeq ($(shell $(PKG_CONFIG) --modversion $(LIBBABEL_NAME) 2>/dev/null),)
-		$(error No $(LIBBABEL_NAME) development libraries found!)
-	endif
-	LIBBABEL_CFLAGS += $(shell $(PKG_CONFIG) --cflags $(LIBBABEL_NAME))
-	LIBBABEL_LDLIBS +=  $(shell $(PKG_CONFIG) --libs $(LIBBABEL_NAME))
-endif
-CFLAGS += $(LIBBABEL_CFLAGS)
-LDLIBS += $(LIBBABEL_LDLIBS)
-
-CFLAGS_JSONC = $(shell pkg-config --cflags json-c)
-LDFLAGS_JSONC = $(shell pkg-config --libs json-c)
-
-
-respondd.so: respondd.c handle_neighbour.c
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(LDFLAGS) $(LDLIBS) -shared $(LDFLAGS_JSONC) -o $@ $^ -lgluonutil -lblobmsg_json -lubox -lubus -liwinfo -luci
-
-neighbours-babel: neighbours-babel.c handle_neighbour.c
-	$(CC) $(CPPFLAGS) $(CFLAGS) $(CFLAGS_JSONC) $(LDFLAGS) $(LDLIBS) $(LDFLAGS_JSONC) -o $@ $^

package/gluon-mesh-babel/src/handle_neighbour.c

-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include "handle_neighbour.h"
-#include <libbabelhelper/babelhelper.h>
-
-bool handle_neighbour(char **data, void *arg) {
-	struct json_object *obj = (struct json_object*)arg;
-
-	if (data[NEIGHBOUR]) {
-		struct json_object *neigh = json_object_new_object();
-
-		if (data[RXCOST])
-			json_object_object_add(neigh, "rxcost", json_object_new_int(atoi(data[RXCOST])));
-		if (data[TXCOST])
-			json_object_object_add(neigh, "txcost", json_object_new_int(atoi(data[TXCOST])));
-		if (data[COST])
-			json_object_object_add(neigh, "cost", json_object_new_int(atoi(data[COST])));
-		if (data[REACH])
-			json_object_object_add(neigh, "reachability", json_object_new_double(strtod(data[REACH], NULL)));
-		if (data[IF])
-			json_object_object_add(neigh, "ifname", json_object_new_string(data[IF]));
-		if (data[ADDRESS])
-			json_object_object_add(obj, data[ADDRESS] , neigh);
-	}
-	return true;
-}

package/gluon-mesh-babel/src/handle_neighbour.h

-#include <json-c/json.h>
-#include <stdbool.h>
-
-bool handle_neighbour(char **line, void *arg);

package/gluon-mesh-babel/src/neighbours-babel.c

-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-#include <json-c/json.h>
-#include <libbabelhelper/babelhelper.h>
-#include "handle_neighbour.h"
-
-int main(void) {
-	struct json_object *neighbours;
-
-	printf("Content-type: text/event-stream\n\n");
-	fflush(stdout);
-
-	struct babelhelper_ctx bhelper_ctx = {};
-	while (1) {
-		neighbours = json_object_new_object();
-		if (!neighbours)
-			continue;
-
-		bhelper_ctx.debug = false;
-		babelhelper_readbabeldata(&bhelper_ctx, (void*)neighbours, handle_neighbour);
-
-		printf("data: %s\n\n", json_object_to_json_string(neighbours));
-		fflush(stdout);
-		json_object_put(neighbours);
-		neighbours = NULL;
-		sleep(10);
-	}
-
-	return 0;
-}

package/gluon-mesh-babel/src/respondd.c

-/*
-   Copyright (c) 2016, Matthias Schiffer <mschiffer@universe-factory.net>
-   All rights reserved.
-
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions are met:
-
-   1. Redistributions of source code must retain the above copyright notice,
-   this list of conditions and the following disclaimer.
-   2. Redistributions in binary form must reproduce the above copyright notice,
-   this list of conditions and the following disclaimer in the documentation
-   and/or other materials provided with the distribution.
-
-   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
-   AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-   IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-   DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
-   FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
-   SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-   CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
-   OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-   */
-
-
-#include <respondd.h>
-
-#include <iwinfo.h>
-#include <json-c/json.h>
-#include <libgluonutil.h>
-#include <uci.h>
-
-#include <alloca.h>
-#include <glob.h>
-#include <inttypes.h>
-#include <stdbool.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include <arpa/inet.h>
-#include <net/if.h>
-#include <netinet/in.h>
-
-#include <sys/types.h>
-#include <sys/ioctl.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <ifaddrs.h>
-
-#include <linux/ethtool.h>
-#include <linux/if_addr.h>
-#include <linux/sockios.h>
-
-#include <netdb.h>
-#include "errno.h"
-#include <libbabelhelper/babelhelper.h>
-
-#include <libubox/blobmsg_json.h>
-#include "libubus.h"
-
-#define _STRINGIFY(s) #s
-#define STRINGIFY(s) _STRINGIFY(s)
-#include <stdlib.h>
-
-#define MAX_INACTIVITY 60000
-
-#define SOCKET_INPUT_BUFFER_SIZE 255
-#define BABEL_PORT 33123
-#define VPN_INTERFACE "mesh-vpn"
-#define l3rdctl "/var/run/l3roamd.sock"
-
-#define IFNAMELEN 32
-#define PROTOLEN 32
-
-#define UBUS_TIMEOUT 30
-#define UBUS_SOCKET "/var/run/ubus.sock"
-
-static struct babelhelper_ctx bhelper_ctx = {};
-
-static void obtain_if_addr(const char *ifname, char *lladdr) {
-	struct ifaddrs *ifaddr, *ifa;
-	int family, n;
-
-	if (getifaddrs(&ifaddr) == -1) {
-		perror("getifaddrs");
-		exit(EXIT_FAILURE);
-	}
-
-	for (ifa = ifaddr, n = 0; ifa != NULL; ifa = ifa->ifa_next, n++) {
-		if (ifa->ifa_addr == NULL)
-			continue;
-
-		family = ifa->ifa_addr->sa_family;
-
-		if ( (family == AF_INET6) && ( ! strncmp(ifname, ifa->ifa_name, strlen(ifname)) ) ) {
-			char lhost[INET6_ADDRSTRLEN];
-			struct in6_addr *address = &((struct sockaddr_in6*)ifa->ifa_addr)->sin6_addr;
-			if (inet_ntop(AF_INET6, address, lhost, INET6_ADDRSTRLEN) == NULL) {
-				fprintf(stderr, "obtain_if_addr: could not convert ip to string\n");
-				goto cleanup;
-			}
-
-			if (! strncmp("fe80:", lhost, 5) ) {
-				snprintf( lladdr, NI_MAXHOST, "%s", lhost );
-				goto cleanup;
-			}
-		}
-	}
-
-cleanup:
-	freeifaddrs(ifaddr);
-}
-
-
-static char*  get_line_from_run(const char* command) {
-	FILE *fp;
-	char *line = NULL;
-	size_t len = 0;
-
-	fp = popen(command, "r");
-
-	if (fp != NULL) {
-		ssize_t r = getline(&line, &len, fp);
-		if (r >= 0) {
-			len = strlen(line);
-
-			if (len && line[len-1] == '\n')
-				line[len-1] = 0;
-		}
-		else {
-			free(line);
-			line = NULL;
-		}
-
-		pclose(fp);
-	}
-	return line;
-}
-
-static struct json_object * get_addresses(void) {
-	char *primarymac = gluonutil_get_sysconfig("primary_mac");
-	char *address = malloc(INET6_ADDRSTRLEN+1);
-	char node_prefix_str[INET6_ADDRSTRLEN+1];
-	struct in6_addr node_prefix = {};
-	struct json_object *retval = json_object_new_array();
-
-	if (!gluonutil_get_node_prefix6(&node_prefix)) {
-		fprintf(stderr, "get_addresses: could not obtain mesh-prefix from site.conf. Not adding addresses to json data\n");
-		goto free;
-	}
-
-	if (inet_ntop(AF_INET6, &(node_prefix.s6_addr), node_prefix_str, INET6_ADDRSTRLEN) == NULL) {
-		fprintf(stderr, "get_addresses: could not convert mesh-prefix from site.conf to string\n");
-		goto free;
-	}
-
-	char *prefix_addresspart = strndup(node_prefix_str, INET6_ADDRSTRLEN);
-	if (! babelhelper_generateip_str(address, primarymac, prefix_addresspart) ) {
-		fprintf(stderr, "IP-address could not be generated by babelhelper");
-	}
-	free(prefix_addresspart);
-
-	json_object_array_add(retval, json_object_new_string(address));
-
-free:
-	free(address);
-	free(primarymac);
-
-	return retval;
-}
-
-static bool interface_file_exists(const char *ifname, const char *name) {
-	const char *format = "/sys/class/net/%s/%s";
-	char path[strlen(format) + strlen(ifname) + strlen(name)+1];
-	snprintf(path, sizeof(path), format, ifname, name);
-
-	return !access(path, F_OK);
-}
-
-static void mesh_add_if(const char *ifname, struct json_object *wireless,
-		struct json_object *tunnel, struct json_object *other) {
-	char str_ip[NI_MAXHOST] = {};
-
-	obtain_if_addr(ifname, str_ip);
-
-	struct json_object *address = json_object_new_string(str_ip);
-
-	if (interface_file_exists(ifname, "wireless"))
-		json_object_array_add(wireless, address);
-	else if (interface_file_exists(ifname, "tun_flags"))
-		json_object_array_add(tunnel, address);
-	else
-		json_object_array_add(other, address);
-
-}
-
-
-static bool handle_neighbour(char **data, void *obj) {
-	if (data[NEIGHBOUR]) {
-		struct json_object *neigh = json_object_new_object();
-
-		if (data[RXCOST])
-			json_object_object_add(neigh, "rxcost", json_object_new_int(atoi(data[RXCOST])));
-		if (data[TXCOST])
-			json_object_object_add(neigh, "txcost", json_object_new_int(atoi(data[TXCOST])));
-		if (data[COST])
-			json_object_object_add(neigh, "cost", json_object_new_int(atoi(data[COST])));
-		if (data[REACH])
-			json_object_object_add(neigh, "reachability", json_object_new_double(strtod(data[REACH], NULL)));
-
-		struct json_object *nif = 0;
-		if (data[IF] && !json_object_object_get_ex(obj, data[IF], &nif)) {
-			char str_ip[NI_MAXHOST] = {};
-			obtain_if_addr( (const char*)data[IF], str_ip );
-
-			nif = json_object_new_object();
-
-			json_object_object_add(nif, "ll-addr", json_object_new_string(str_ip));
-			json_object_object_add(nif, "protocol", json_object_new_string("babel"));
-			json_object_object_add(obj, data[IF], nif);
-
-		}
-		struct json_object *neighborcollector = 0;
-		if (!json_object_object_get_ex(nif, "neighbours", &neighborcollector)) {
-			neighborcollector = json_object_new_object();
-			json_object_object_add(nif, "neighbours", neighborcollector);
-		}
-
-		json_object_object_add(neighborcollector, data[ADDRESS], neigh);
-
-	}
-	return true;
-}
-
-static struct json_object * get_babel_neighbours(void) {
-
-	struct json_object *neighbours;
-	neighbours  = json_object_new_object();
-	if (!neighbours)
-		return NULL;
-
-	babelhelper_readbabeldata(&bhelper_ctx, (void*)neighbours, handle_neighbour);
-
-	return(neighbours);
-}
-
-static void blobmsg_handle_list(struct blob_attr *attr, int len, bool array, struct json_object *wireless, struct json_object *tunnel, struct json_object *other);
-
-static void blobmsg_handle_element(struct blob_attr *attr, bool head, char **ifname, char **proto, struct json_object *wireless, struct json_object *tunnel, struct json_object *other) {
-	void *data;
-
-	if (!blobmsg_check_attr(attr, false))
-		return;
-
-	data = blobmsg_data(attr);
-
-	switch (blob_id(attr)) {
-		case  BLOBMSG_TYPE_STRING:
-			if (!strncmp(blobmsg_name(attr),"device", 6)) {
-				free(*ifname);
-				*ifname = strndup(data, IFNAMELEN);
-			} else if (!strncmp(blobmsg_name(attr), "proto", 5)) {
-				free(*proto);
-				*proto = strndup(data, PROTOLEN);
-			}
-			return;
-		case BLOBMSG_TYPE_ARRAY:
-			blobmsg_handle_list(data, blobmsg_data_len(attr), true, wireless, tunnel, other);
-			return;
-		case BLOBMSG_TYPE_TABLE:
-			blobmsg_handle_list(data, blobmsg_data_len(attr), false, wireless, tunnel, other);
-	}
-}
-
-static void blobmsg_handle_list(struct blob_attr *attr, int len, bool array, struct json_object *wireless, struct json_object *tunnel, struct json_object *other) {
-	struct blob_attr *pos;
-	int rem = len;
-
-	char *ifname = NULL;
-	char *proto = NULL;
-
-	__blob_for_each_attr(pos, attr, rem) {
-		blobmsg_handle_element(pos, array, &ifname, &proto, wireless, tunnel, other);
-	}
-
-	if (ifname && proto) {
-		if (!strncmp(proto, "gluon_mesh", 10)) {
-			mesh_add_if(ifname, wireless, tunnel, other);
-		}
-	}
-	free(ifname);
-	free(proto);
-}
-
-static void receive_call_result_data(struct ubus_request *req, int type, struct blob_attr *msg) {
-	struct json_object *ret = json_object_new_object();
-	struct json_object *wireless = json_object_new_array();
-	struct json_object *tunnel = json_object_new_array();
-	struct json_object *other = json_object_new_array();
-
-	if (!ret || !wireless || !tunnel || !other) {
-		json_object_put(wireless);
-		json_object_put(tunnel);
-		json_object_put(other);
-		json_object_put(ret);
-		return;
-	}
-
-	if (!msg) {
-		printf("empty message\n");
-		return;
-	}
-
-	blobmsg_handle_list(blobmsg_data(msg), blobmsg_data_len(msg), false, wireless, tunnel, other);
-
-	json_object_object_add(ret, "wireless", wireless);
-	json_object_object_add(ret, "tunnel", tunnel);
-	json_object_object_add(ret, "other", other);
-
-	*((struct json_object**)(req->priv)) = ret;
-}
-
-
-static struct json_object * get_mesh_ifs() {
-	struct ubus_context *ubus_ctx;
-	struct json_object *ret = NULL;
-	struct blob_buf b = {};
-
-	unsigned int id=8;
-
-	ubus_ctx = ubus_connect(UBUS_SOCKET);
-	if (!ubus_ctx) {
-		fprintf(stderr,"could not connect to ubus, not providing mesh-data\n");
-		goto end;
-	}
-
-	blob_buf_init(&b, 0);
-	ubus_lookup_id(ubus_ctx, "network.interface", &id);
-	int uret = ubus_invoke(ubus_ctx, id, "dump", b.head, receive_call_result_data, &ret, UBUS_TIMEOUT * 1000);
-
-	if (uret > 0)
-		fprintf(stderr, "ubus command failed: %s\n", ubus_strerror(uret));
-	else if (uret == -2)
-		fprintf(stderr, "invalid call, exiting\n");
-
-	blob_buf_free(&b);
-
-end:
-	ubus_free(ubus_ctx);
-	return ret;
-}
-
-static struct json_object * get_mesh(void) {
-	struct json_object *ret = json_object_new_object();
-	struct json_object *interfaces = NULL;
-	interfaces = json_object_new_object();
-	json_object_object_add(interfaces, "interfaces", get_mesh_ifs());
-	json_object_object_add(ret, "babel", interfaces);
-	return ret;
-}
-
-static struct json_object * get_babeld_version(void) {
-	char *version = get_line_from_run("exec babeld -V 2>&1");
-	struct json_object *ret = gluonutil_wrap_string(version);
-	free(version);
-	return ret;
-}
-
-static struct json_object * respondd_provider_nodeinfo(void) {
-	bhelper_ctx.debug=false;
-	struct json_object *ret = json_object_new_object();
-
-	struct json_object *network = json_object_new_object();
-	json_object_object_add(network, "addresses", get_addresses());
-	json_object_object_add(network, "mesh", get_mesh());
-	json_object_object_add(ret, "network", network);
-
-	struct json_object *software = json_object_new_object();
-	struct json_object *software_babeld = json_object_new_object();
-	json_object_object_add(software_babeld, "version", get_babeld_version());
-	json_object_object_add(software, "babeld", software_babeld);
-	json_object_object_add(ret, "software", software);
-
-	return ret;
-}
-
-static uint64_t getnumber(const char *ifname, const char *stat) {
-	const char *format = "/sys/class/net/%s/statistics/%s";
-	char path[strlen(format) + strlen(ifname) + strlen(stat)];
-	snprintf(path, sizeof(path), format, ifname, stat);
-	if (! access(path, F_OK))
-	{
-		char *line=gluonutil_read_line(path);
-		long long i = atoll(line);
-		free(line);
-		return(i);
-	}
-	return 0;
-}
-
-static struct json_object * get_traffic(void) {
-	char ifname[16];
-
-	strncpy(ifname, "br-client", 16);
-
-	struct json_object *ret = NULL;
-	struct json_object *rx = json_object_new_object();
-	struct json_object *tx = json_object_new_object();
-
-	json_object_object_add(rx, "packets", json_object_new_int64(getnumber(ifname, "rx_packets")));
-	json_object_object_add(rx, "bytes", json_object_new_int64(getnumber(ifname, "rx_bytes")));
-	json_object_object_add(rx, "dropped", json_object_new_int64(getnumber(ifname, "rx_dropped")));
-	json_object_object_add(tx, "packets", json_object_new_int64(getnumber(ifname, "tx_packets")));
-	json_object_object_add(tx, "dropped", json_object_new_int64(getnumber(ifname, "tx_dropped")));
-	json_object_object_add(tx, "bytes", json_object_new_int64(getnumber(ifname, "tx_bytes")));
-
-	ret = json_object_new_object();
-	json_object_object_add(ret, "rx", rx);
-	json_object_object_add(ret, "tx", tx);
-
-	return ret;
-}
-
-static void count_iface_stations(size_t *wifi24, size_t *wifi5, const char *ifname) {
-	const struct iwinfo_ops *iw = iwinfo_backend(ifname);
-	if (!iw)
-		return;
-
-	int freq;
-	if (iw->frequency(ifname, &freq) < 0)
-		return;
-
-	size_t *wifi;
-	if (freq >= 2400 && freq < 2500)
-		wifi = wifi24;
-	else if (freq >= 5000 && freq < 6000)
-		wifi = wifi5;
-	else
-		return;
-
-	int len;
-	char buf[IWINFO_BUFSIZE];
-	if (iw->assoclist(ifname, buf, &len) < 0)
-		return;
-
-	struct iwinfo_assoclist_entry *entry;
-	for (entry = (struct iwinfo_assoclist_entry *)buf; (char*)(entry+1) <= buf + len; entry++) {
-		if (entry->inactive > MAX_INACTIVITY)
-			continue;
-
-		(*wifi)++;
-	}
-}
-
-static void count_stations(size_t *wifi24, size_t *wifi5) {
-	struct uci_context *ctx = uci_alloc_context();
-	ctx->flags &= ~UCI_FLAG_STRICT;
-
-
-	struct uci_package *p;
-	if (uci_load(ctx, "wireless", &p))
-		goto end;
-
-
-	struct uci_element *e;
-	uci_foreach_element(&p->sections, e) {
-		struct uci_section *s = uci_to_section(e);
-		if (strcmp(s->type, "wifi-iface"))
-			continue;
-
-		const char *network = uci_lookup_option_string(ctx, s, "network");
-		if (!network || strcmp(network, "client"))
-			continue;
-
-		const char *mode = uci_lookup_option_string(ctx, s, "mode");
-		if (!mode || strcmp(mode, "ap"))
-			continue;
-
-		const char *ifname = uci_lookup_option_string(ctx, s, "ifname");
-		if (!ifname)
-			continue;
-
-		count_iface_stations(wifi24, wifi5, ifname);
-	}
-
-end:
-	uci_free_context(ctx);
-}
-
-static bool handle_route_addgw_nexthop(char **data, void *arg) {
-	struct json_object *obj = (struct json_object*) arg;
-	if (data[PREFIX] && data[FROM] && data[VIA] && data[IF]) {
-		if ( (! strncmp(data[PREFIX], "::/0", 4) ) && ( ! strncmp(data[FROM], "::/0", 4) ) ) {
-			int gw_nexthoplen=strlen(data[VIA]) + strlen(data[IF])+2;
-			char gw_nexthop[gw_nexthoplen];
-			snprintf(gw_nexthop, gw_nexthoplen , "%s%%%s", data[VIA], data[IF]);
-			json_object_object_add(obj, "gateway_nexthop", json_object_new_string(gw_nexthop));
-		}
-	}
-	return true;
-}
-
-static int json_parse_get_clients(json_object * object) {
-	if (object) {
-		json_object_object_foreach(object, key, val) {
-			if (! strncmp("clients", key, 7)) {
-				return(json_object_get_int(val));
-			}
-		}
-	}
-	return(-1);
-}
-
-static int ask_l3roamd_for_client_count() {
-	struct sockaddr_un addr;
-	const char *socket_path = "/var/run/l3roamd.sock";
-	int fd;
-	int clients = -1;
-	char *buf = NULL;
-	int already_read = 0;
-
-	if ((fd = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
-		fprintf(stderr, "could not setup l3roamd-control-socket\n");
-		return(-1);
-	}
-
-	memset(&addr, 0, sizeof(addr));
-	addr.sun_family = AF_UNIX;
-	strncpy(addr.sun_path, socket_path, sizeof(addr.sun_path)-1);
-
-	if (connect(fd, (struct sockaddr*)&addr, sizeof(addr)) == -1) {
-		fprintf(stderr, "connect error\n");
-		return(-1);
-	}
-
-	if (write(fd,"get_clients\n",12) != 12) {
-		perror("could not send command to l3roamd socket: get_clients");
-		goto end;
-	}
-
-	int rc = 0;
-	do {
-		char *buf_tmp = realloc(buf, already_read + SOCKET_INPUT_BUFFER_SIZE + 1);
-		if (buf_tmp == NULL) {
-			fprintf(stderr, "could not allocate memory for buffer\n");
-			goto end;
-		}
-		buf = buf_tmp;
-
-		rc = read(fd, &buf[already_read], SOCKET_INPUT_BUFFER_SIZE);
-		already_read+=rc;
-		if (rc < 0) {
-			perror("error on read in ask_l3roamd_for_client_count():");
-			goto end;
-		}
-		buf[already_read]='\0';
-	} while (rc == SOCKET_INPUT_BUFFER_SIZE);
-
-	json_object * jobj = json_tokener_parse(buf);
-	clients = json_parse_get_clients(jobj);
-	json_object_put(jobj);
-
-end:
-	free(buf);
-	close(fd);
-
-	return clients;
-}
-
-static struct json_object * get_clients(void) {
-	size_t wifi24 = 0, wifi5 = 0;
-
-	count_stations(&wifi24, &wifi5);
-
-	int total = ask_l3roamd_for_client_count();
-
-	size_t wifi = wifi24 + wifi5;
-	struct json_object *ret = json_object_new_object();
-
-	if (total >= 0)
-		json_object_object_add(ret, "total", json_object_new_int(total));
-
-	json_object_object_add(ret, "wifi", json_object_new_int(wifi));
-	json_object_object_add(ret, "wifi24", json_object_new_int(wifi24));
-	json_object_object_add(ret, "wifi5", json_object_new_int(wifi5));
-	return ret;
-}
-
-static struct json_object * respondd_provider_statistics(void) {
-	struct json_object *ret = json_object_new_object();
-
-	json_object_object_add(ret, "clients", get_clients());
-	json_object_object_add(ret, "traffic", get_traffic());
-
-	babelhelper_readbabeldata(&bhelper_ctx, (void*)ret, handle_route_addgw_nexthop );
-
-	return ret;
-}
-
-static struct json_object * get_wifi_neighbours(const char *ifname) {
-	const struct iwinfo_ops *iw = iwinfo_backend(ifname);
-	if (!iw)
-		return NULL;
-
-	int len;
-	char buf[IWINFO_BUFSIZE];
-	if (iw->assoclist(ifname, buf, &len) < 0)
-		return NULL;
-
-	struct json_object *neighbours = json_object_new_object();
-
-	struct iwinfo_assoclist_entry *entry;
-	for (entry = (struct iwinfo_assoclist_entry *)buf; (char*)(entry+1) <= buf + len; entry++) {
-		if (entry->inactive > MAX_INACTIVITY)
-			continue;
-
-		struct json_object *obj = json_object_new_object();
-
-		json_object_object_add(obj, "signal", json_object_new_int(entry->signal));
-		json_object_object_add(obj, "noise", json_object_new_int(entry->noise));
-		json_object_object_add(obj, "inactive", json_object_new_int(entry->inactive));
-
-		char mac[18];
-		snprintf(mac, sizeof(mac), "%02x:%02x:%02x:%02x:%02x:%02x",
-				entry->mac[0], entry->mac[1], entry->mac[2],
-				entry->mac[3], entry->mac[4], entry->mac[5]);
-
-		json_object_object_add(neighbours, mac, obj);
-	}
-
-	struct json_object *ret = json_object_new_object();
-
-	if (json_object_object_length(neighbours))
-		json_object_object_add(ret, "neighbours", neighbours);
-	else
-		json_object_put(neighbours);
-
-	return ret;
-}
-
-static struct json_object * get_wifi(void) {
-
-	struct uci_context *ctx = uci_alloc_context();
-	ctx->flags &= ~UCI_FLAG_STRICT;
-
-	struct json_object *ret = json_object_new_object();
-
-	struct uci_package *p;
-	if (uci_load(ctx, "network", &p))
-		goto end;
-
-
-	struct uci_element *e;
-	uci_foreach_element(&p->sections, e) {
-		struct uci_section *s = uci_to_section(e);
-		if (strcmp(s->type, "interface"))
-			continue;
-
-		const char *proto = uci_lookup_option_string(ctx, s, "proto");
-		if (!proto || strcmp(proto, "gluon_mesh"))
-			continue;
-
-		const char *ifname = uci_lookup_option_string(ctx, s, "ifname");
-		if (!ifname)
-			continue;
-
-		char *ifaddr = gluonutil_get_interface_address(ifname);
-		if (!ifaddr)
-			continue;
-
-		struct json_object *neighbours = get_wifi_neighbours(ifname);
-		if (neighbours)
-			json_object_object_add(ret, ifaddr, neighbours);
-
-		free(ifaddr);
-	}
-
-end:
-	uci_free_context(ctx);
-	return ret;
-}
-
-static struct json_object * respondd_provider_neighbours(void) {
-	struct json_object *ret = json_object_new_object();
-
-	struct json_object *babel = get_babel_neighbours();
-	if (babel)
-		json_object_object_add(ret, "babel", babel);
-
-
-	struct json_object *wifi = get_wifi();
-	if (wifi)
-		json_object_object_add(ret, "wifi", wifi);
-
-	return ret;
-}
-
-
-const struct respondd_provider_info respondd_providers[] = {
-	{"nodeinfo", respondd_provider_nodeinfo},
-	{"statistics", respondd_provider_statistics},
-	{"neighbours", respondd_provider_neighbours},
-	{}
-};

package/gluon-mesh-batman-adv/Makefile

 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=gluon-mesh-batman-adv
-PKG_VERSION:=1
 
 include ../gluon.mk
 
-define Package/gluon-mesh-batman-adv/common
+define Package/gluon-mesh-batman-adv-15
   PROVIDES:=gluon-mesh-batman-adv
-  DEPENDS:= \
+  TITLE:=Support for batman-adv meshing (compat level 15)
+  DEPENDS+= \
+	+kmod-batman-adv \
 	+gluon-core \
 	+libgluonutil \
 	+gluon-client-bridge \
@@ -17,38 +18,7 @@ define Package/gluon-mesh-batman-adv/common
 	+kmod-dummy \
 	+libnl-tiny \
 	+libbatadv \
-	+batctl \
-	+@GLUON_SPECIALIZE_KERNEL:KERNEL_DUMMY \
-	+@GLUON_SPECIALIZE_KERNEL:KERNEL_CRC16 \
-	+@GLUON_SPECIALIZE_KERNEL:KERNEL_LIBCRC32C
-endef
-
-define Package/gluon-mesh-batman-adv-14
-$(Package/gluon-mesh-batman-adv/common)
-  TITLE:=Support for batman-adv meshing (compat level 14)
-  CONFLICTS:=gluon-mesh-batman-adv-15
-  DEPENDS+=+kmod-batman-adv-legacy
-endef
-
-define Package/gluon-mesh-batman-adv-15
-$(Package/gluon-mesh-batman-adv/common)
-  TITLE:=Support for batman-adv meshing (compat level 15)
-  DEPENDS+=+kmod-batman-adv
-endef
-
-define Package/gluon-mesh-batman-adv-14/install
-	$(Gluon/Build/Install)
-
-	$(INSTALL_DIR) $(1)/lib/gluon/mesh-batman-adv
-	echo 14 > $(1)/lib/gluon/mesh-batman-adv/compat
-endef
-
-define Package/gluon-mesh-batman-adv-15/install
-	$(Gluon/Build/Install)
-
-	$(INSTALL_DIR) $(1)/lib/gluon/mesh-batman-adv
-	echo 15 > $(1)/lib/gluon/mesh-batman-adv/compat
+	+batctl
 endef
 
-$(eval $(call BuildPackageGluon,gluon-mesh-batman-adv-14))
 $(eval $(call BuildPackageGluon,gluon-mesh-batman-adv-15))

package/gluon-mesh-batman-adv/check_site.lua

@@ -2,4 +2,4 @@
 need_boolean(in_domain({'mesh', 'vxlan'}), not this_domain())
 
 need_number({'mesh', 'batman_adv', 'gw_sel_class'}, false)
-need_one_of({'mesh', 'batman_adv', 'routing_algo'}, {'BATMAN_IV', 'BATMAN_V'}, false)
+need_one_of({'mesh', 'batman_adv', 'routing_algo'}, {'BATMAN_IV', 'BATMAN_V'})

package/gluon-mesh-batman-adv/files/lib/gluon/core/mesh/setup.d/30-gluon-mesh-batman-adv

 #!/bin/sh
 
 if [ "$FIXED_MTU" -eq 0 ]; then
-	# In case on VLAN on IBSS, first set MTU of the underlying interface
-	for lower in /sys/class/net/"$IFNAME"/lower_*/wireless; do
-		lower="${lower%%\/wireless}"
-		lower="${lower##*\/lower_}"
-		ip link set dev "$lower" mtu 1536
-		break
-	done
-
 	ip link set dev "$IFNAME" mtu 1532
 fi

package/gluon-mesh-batman-adv/files/lib/gluon/core/mesh/teardown.d/70-gluon-mesh-batman-adv

 #!/bin/sh
 
 lock /var/lock/gluon_bat0.lock
-(echo 'none' > "/sys/class/net/$IFNAME/batman_adv/mesh_iface") 2>/dev/null
+batctl interface -M del "$IFNAME" 2>/dev/null
 lock -u /var/lock/gluon_bat0.lock

package/gluon-mesh-batman-adv/files/lib/gluon/state/check.d/has_default_gw4

+#!/bin/sh
+out=$(batctl gwl -H 2>/dev/null) && [ -n "$out" ]

package/gluon-mesh-batman-adv/files/lib/gluon/state/check.d/has_neighbours

+#!/bin/sh
+out=$(batctl n -H 2>/dev/null) && [ -n "$out" ]

package/gluon-mesh-batman-adv/files/lib/netifd/proto/gluon_bat0.sh

 #!/bin/sh
 
+# shellcheck disable=SC1091,SC2034
+
 . /lib/functions.sh
 . ../netifd-proto.sh
 init_proto "$@"
@@ -8,6 +10,18 @@ proto_gluon_bat0_init_config() {
 	no_device=1
 	available=1
 	renew_handler=1
+
+	proto_config_add_string 'gw_mode'
+}
+
+lookup_site() {
+	local path="$1" default="$2"
+	lua -e "print(require('gluon.site').$path('$default'))"
+}
+
+lookup_uci() {
+	local path="$1" default="$2"
+	uci -q get "$path" || echo "$default"
 }
 
 proto_gluon_bat0_renew() {
@@ -15,20 +29,9 @@ proto_gluon_bat0_renew() {
 
 	lock /var/lock/gluon_bat0.lock
 
-	local ifdump="$(ubus call network.interface dump)"
-
-	echo "$ifdump" | jsonfilter \
-		-e "@.interface[@.proto='gluon_mesh' && @.up=true]['device','data']" \
-	| while read dev; do
-		read data
-
-		echo bat0 > "/sys/class/net/$dev/batman_adv/mesh_iface"
-
-		! [ "$(echo "$data" | jsonfilter -e "@.transitive")" = 'true' ]
-		transitive=$?
-
-		(echo "$transitive" > "/sys/class/net/$dev/batman_adv/no_rebroadcast") 2>/dev/null
-	done
+	ubus call network.interface dump | jsonfilter \
+		-e "@.interface[@.proto='gluon_mesh' && @.up=true].device" \
+	| xargs -r -n 1 batctl interface add
 
 	lock -u /var/lock/gluon_bat0.lock
 }
@@ -36,16 +39,46 @@ proto_gluon_bat0_renew() {
 proto_gluon_bat0_setup() {
 	local config="$1"
 
-	local primary0_mac="$(lua -e 'print(require("gluon.util").generate_mac(3))')"
+	local routing_algo
+	routing_algo="$(lookup_site 'mesh.batman_adv.routing_algo' 'BATMAN_IV')"
+
+	local gw_mode
+	json_get_vars gw_mode
+
+	batctl routing_algo "$routing_algo"
+	batctl interface create
+
+	batctl orig_interval 5000
+	batctl hop_penalty "$(lookup_uci 'gluon.mesh_batman_adv.hop_penalty' 15)"
+	batctl noflood_mark 0x4/0x4
+
+	case "$gw_mode" in
+		server)
+			batctl gw_mode "server"
+		;;
+		client)
+			local gw_sel_class
+			gw_sel_class="$(lookup_site 'mesh.batman_adv.gw_sel_class')"
+			if [ -n "$gw_sel_class" ]; then
+				batctl gw_mode "client" "$gw_sel_class"
+			else
+				batctl gw_mode "client"
+			fi
+		;;
+		*)
+			batctl gw_mode "off"
+		;;
+	esac
+
+
+	local primary0_mac
+	primary0_mac="$(lua -e 'print(require("gluon.util").generate_mac(3))')"
 
 	ip link add primary0 type dummy
 	echo 1 > /proc/sys/net/ipv6/conf/primary0/disable_ipv6
 	ip link set primary0 address "$primary0_mac" mtu 1532 up
 
-	local routing_algo="$(uci -q get batman-adv.bat0.routing_algo || echo 'BATMAN_IV')"
-	(echo "$routing_algo" >/sys/module/batman_adv/parameters/routing_algo) 2>/dev/null
-
-	echo bat0 > /sys/class/net/primary0/batman_adv/mesh_iface
+	batctl interface add primary0
 
 	proto_init_update primary0 1
 	proto_send_update "$config"
@@ -56,7 +89,7 @@ proto_gluon_bat0_setup() {
 proto_gluon_bat0_teardown() {
 	local config="$1"
 
-	ip link del bat0
+	batctl interface destroy
 	ip link del primary0
 }
 

package/gluon-mesh-batman-adv/files/usr/lib/autoupdater/abort.d/10start-network

 #!/bin/sh
 
+# shellcheck source=package/gluon-autoupdater/files/lib/gluon/autoupdater/lib.sh
 . /lib/gluon/autoupdater/lib.sh
 
 pidof netifd >/dev/null || start_enabled network

package/gluon-mesh-batman-adv/files/usr/lib/autoupdater/upgrade.d/10stop-network

 #!/bin/sh
 
+# shellcheck source=package/gluon-autoupdater/files/lib/gluon/autoupdater/lib.sh
 . /lib/gluon/autoupdater/lib.sh
 
 wifi down

package/gluon-mesh-batman-adv/luasrc/lib/gluon/upgrade/310-gluon-mesh-batman-adv-mesh

 #!/usr/bin/lua
 
 local sysconfig = require 'gluon.sysconfig'
-local site = require 'gluon.site'
 local util = require 'gluon.util'
 
 local uci = require('simple-uci').cursor()
 
 
-local gw_mode = uci:get('batman-adv', 'bat0', 'gw_mode') or 'client'
-local gw_sel_class = site.mesh.batman_adv.gw_sel_class()
-local routing_algo = site.mesh.batman_adv.routing_algo()
-
-
 uci:delete('batman-adv', 'bat0')
-uci:section('batman-adv', 'mesh', 'bat0', {
-	orig_interval = 5000,
-	gw_mode = gw_mode,
-	gw_sel_class = gw_sel_class,
-	hop_penalty = 15,
-	routing_algo = routing_algo,
-	multicast_mode = true,
-})
 uci:save('batman-adv')
 
-uci:delete('network', 'gluon_bat0')
+local gw_mode = uci:get('network_gluon-old', 'gluon_bat0', 'gw_mode') or 'client'
 uci:section('network', 'interface', 'gluon_bat0', {
 	proto = 'gluon_bat0',
+	gw_mode = gw_mode,
 })
 
-uci:delete('network', 'bat0')
 uci:section('network', 'interface', 'bat0', {
 	ifname = 'bat0',
 	proto = 'none',