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-rw-r--r--tun.c66
1 files changed, 0 insertions, 66 deletions
diff --git a/tun.c b/tun.c
deleted file mode 100644
index e2f1342..0000000
--- a/tun.c
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- *
- * 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.
- *
- * tun.c - tun device functions
- */
-#include <arpa/inet.h>
-#include <fcntl.h>
-#include <linux/if.h>
-#include <linux/if_tun.h>
-#include <string.h>
-#include <sys/ioctl.h>
-#include <unistd.h>
-
-#include "common.h"
-
-/* function: tun_open
- * tries to open the tunnel device in non-blocking mode
- */
-int tun_open() {
- int fd;
-
- fd = open("/dev/tun", O_RDWR | O_NONBLOCK | O_CLOEXEC);
- if (fd < 0) {
- fd = open("/dev/net/tun", O_RDWR | O_NONBLOCK | O_CLOEXEC);
- }
-
- return fd;
-}
-
-/* function: tun_alloc
- * creates a tun interface and names it
- * dev - the name for the new tun device
- * fd - an open fd to the tun device node
- * len - the length of the buffer pointed to by dev
- */
-int tun_alloc(char *dev, int fd, size_t len) {
- struct ifreq ifr;
- int err;
-
- memset(&ifr, 0, sizeof(ifr));
-
- ifr.ifr_flags = IFF_TUN;
- if (*dev) {
- strncpy(ifr.ifr_name, dev, IFNAMSIZ);
- ifr.ifr_name[IFNAMSIZ - 1] = '\0';
- }
-
- if ((err = ioctl(fd, TUNSETIFF, (void *)&ifr)) < 0) {
- close(fd);
- return err;
- }
- strlcpy(dev, ifr.ifr_name, len);
- return 0;
-}