luci-lib-luaneightbl: drop package - all functions ar also in luci-lib-ip

[project/luci.git] / libs / luci-lib-luaneightbl / src / neightbl.c

diff --git a/libs/luci-lib-luaneightbl/src/neightbl.c b/libs/luci-lib-luaneightbl/src/neightbl.c
deleted file mode 100644 (file)
index 987ec5e..0000000
--- a/libs/luci-lib-luaneightbl/src/neightbl.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
-License:
-Copyright 2013 Steven Barth <steven@midlink.org>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-       http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-#include <stdlib.h>
-#include <stdbool.h>
-#include <lua.h>
-#include <lualib.h>
-#include <lauxlib.h>
-#include <linux/rtnetlink.h>
-#include <sys/socket.h>
-#include <errno.h>
-#include <unistd.h>
-#include <string.h>
-#include <net/if.h>
-#include <arpa/inet.h>
-#include <netinet/ether.h>
-
-char *ether_ntoa_l (const struct ether_addr *addr, char *buf)
-{
-  sprintf (buf, "%02x:%02x:%02x:%02x:%02x:%02x",
-           addr->ether_addr_octet[0], addr->ether_addr_octet[1],
-           addr->ether_addr_octet[2], addr->ether_addr_octet[3],
-           addr->ether_addr_octet[4], addr->ether_addr_octet[5]);
-  return buf;
-}
-
-static int neightbl_get(lua_State *L) {
-       int sock = socket(AF_NETLINK, SOCK_RAW | SOCK_CLOEXEC, NETLINK_ROUTE);
-       struct sockaddr_nl kernel = {AF_NETLINK, 0, 0, 0};
-       if (connect(sock, (struct sockaddr*)&kernel, sizeof(kernel)))
-               goto error;
-
-       const char *ifname = luaL_checkstring(L, 1);
-       int ifindex = if_nametoindex(ifname);
-       if (ifindex <= 0)
-               goto error;
-
-       struct {
-               struct nlmsghdr hdr;
-               struct ndmsg ndm;
-       } req = {
-               {sizeof(req), RTM_GETNEIGH, NLM_F_REQUEST | NLM_F_DUMP, 1, 0},
-               {AF_INET6, 0, 0, ifindex, 0, 0, 0},
-       };
-
-       if (send(sock, &req, sizeof(req), 0) != sizeof(req))
-               goto error;
-
-       lua_newtable(L);
-
-       char buf[8192];
-       struct nlmsghdr *nh = (struct nlmsghdr*)buf;
-       do {
-               ssize_t len = recv(sock, buf, sizeof(buf), 0);
-               if (len < 0) {
-                       lua_pop(L, 1);
-                       goto error;
-               }
-
-
-               for (;NLMSG_OK(nh, (size_t)len) && nh->nlmsg_type == RTM_NEWNEIGH;
-                               nh = NLMSG_NEXT(nh, len)) {
-                       struct ndmsg *ndm = NLMSG_DATA(nh);
-                       if (NLMSG_PAYLOAD(nh, 0) < sizeof(*ndm) || ndm->ndm_ifindex != ifindex)
-                               continue;
-
-                       ssize_t alen = NLMSG_PAYLOAD(nh, sizeof(*ndm));
-                       char buf[INET6_ADDRSTRLEN] = {0}, *mac = NULL, str_buf[ETH_ALEN];
-                       for (struct rtattr *rta = (struct rtattr*)&ndm[1]; RTA_OK(rta, alen);
-                                       rta = RTA_NEXT(rta, alen)) {
-                               if (rta->rta_type == NDA_DST && RTA_PAYLOAD(rta) >= sizeof(struct in6_addr))
-                                       inet_ntop(AF_INET6, RTA_DATA(rta), buf, sizeof(buf));
-                               else if (rta->rta_type == NDA_LLADDR && RTA_PAYLOAD(rta) >= 6)
-                                       mac = ether_ntoa_l(RTA_DATA(rta),str_buf);
-                       }
-
-                       if (mac)
-                               lua_pushstring(L, mac);
-                       else
-                               lua_pushboolean(L, false);
-
-                       lua_setfield(L, -2, buf);
-               }
-       } while (nh->nlmsg_type == RTM_NEWNEIGH);
-
-       close(sock);
-        return 1;
-
-error:
-       close(sock);
-       lua_pushnil(L);
-       lua_pushinteger(L, errno);
-       lua_pushstring(L, strerror(errno));
-       return 3;
-}
-
-
-static const luaL_reg R[] = {
-        {"get", neightbl_get},
-        {NULL, NULL}
-};
-
-
-int luaopen_neightbl(lua_State *l)
-{
-       luaL_register(l, "neightbl", R);
-       return 1;
-}