Import luanet library

Relicensed with author's permission
Thanks John

1 files changed, 93 insertions, 0 deletions

diff --git a/libs/luanet/src/vconfig.c b/libs/luanet/src/vconfig.c
new file mode 100644
index 0000000000..7adccc9a9b
--- /dev/null
+++ b/libs/luanet/src/vconfig.c
@@ -0,0 +1,93 @@
+/*
+ *  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.
+ *
+ *   Copyright (C) 2008 John Crispin <blogic@openwrt.org> 
+ *   Copyright (C) 2008 Steven Barth <steven@midlink.org>
+ */
+
+#include <net/if.h>
+#include <net/if_arp.h>
+#include <net/route.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <linux/sockios.h>
+#include <linux/if_vlan.h>
+#include <iwlib.h>
+#include <dirent.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+
+#include <lua.h>
+#include <lualib.h>
+#include <lauxlib.h>
+
+extern int sock_ifconfig;
+
+
+static inline int _vlan_add(lua_State *L, int i)
+{
+	struct vlan_ioctl_args ifr;
+	int a = (i == ADD_VLAN_CMD)?(2):(1);
+	char *ifname;
+	if(lua_gettop(L) != a)
+	{
+		lua_pushstring(L, "invalid arg list");
+		lua_error(L);
+		return 0;
+	}
+	ifname = (char *)lua_tostring (L, 1);
+	ifr.cmd = i;
+	if(i == ADD_VLAN_CMD)
+		ifr.u.VID = (int)lua_tointeger (L, 2);
+	strncpy(ifr.device1, ifname, IFNAMSIZ);
+	if(!ioctl(sock_ifconfig, SIOCSIFVLAN, &ifr))
+		lua_pushboolean(L, 1);
+	else
+		lua_pushboolean(L, 0);
+	return 1;
+}
+
+int vlan_add(lua_State *L)
+{
+	return _vlan_add(L, ADD_VLAN_CMD);
+}
+
+int vlan_del(lua_State *L)
+{
+	return _vlan_add(L, DEL_VLAN_CMD);
+}
+
+int vlan_getall(lua_State *L)
+{
+	struct dirent **namelist;
+	int n = 0, i, count = 0;
+	count = scandir("/proc/net/vlan/", &namelist, NULL, alphasort);
+	if (count < 0)
+		return 0;
+	lua_newtable(L);
+	for (i = 0; i < count; i++)
+	{
+		if(strcmp(namelist[i]->d_name, "config") && (*namelist[i]->d_name != '.'))
+		{
+			n++;
+			lua_pushinteger(L, n);
+			lua_pushstring(L, namelist[i]->d_name);
+			lua_settable(L, -3);
+		}
+		free(namelist[i]);
+	}
+	free(namelist);
+	return 1;
+}