diff options
Diffstat (limited to 'drivers/net/tun.c')
-rw-r--r-- | drivers/net/tun.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/tun.c b/drivers/net/tun.c index a631bf71fee..3cc22b9eda5 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c | |||
@@ -1239,6 +1239,12 @@ static long __tun_chr_ioctl(struct file *file, unsigned int cmd, | |||
1239 | int vnet_hdr_sz; | 1239 | int vnet_hdr_sz; |
1240 | int ret; | 1240 | int ret; |
1241 | 1241 | ||
1242 | #ifdef CONFIG_ANDROID_PARANOID_NETWORK | ||
1243 | if (cmd != TUNGETIFF && !capable(CAP_NET_ADMIN)) { | ||
1244 | return -EPERM; | ||
1245 | } | ||
1246 | #endif | ||
1247 | |||
1242 | if (cmd == TUNSETIFF || _IOC_TYPE(cmd) == 0x89) { | 1248 | if (cmd == TUNSETIFF || _IOC_TYPE(cmd) == 0x89) { |
1243 | if (copy_from_user(&ifr, argp, ifreq_len)) | 1249 | if (copy_from_user(&ifr, argp, ifreq_len)) |
1244 | return -EFAULT; | 1250 | return -EFAULT; |