blob: 16241cd64c08d7ebea2c9d353e972b9767ded47a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
// Copyright 2015 The Bazel Authors. All rights reserved.
//
// 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.
#define _GNU_SOURCE
#include <net/if.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <unistd.h>
#include "process-tools.h"
#include "network-tools.h"
void BringupInterface(const char *name) {
int fd;
struct ifreq ifr;
CHECK_CALL(fd = socket(AF_INET, SOCK_DGRAM, 0));
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, name, IF_NAMESIZE);
// Verify that name is valid.
CHECK_CALL(if_nametoindex(ifr.ifr_name));
// Enable the interface
ifr.ifr_flags |= IFF_UP;
CHECK_CALL(ioctl(fd, SIOCSIFFLAGS, &ifr));
CHECK_CALL(close(fd));
}
|
