ARM64: dts: rockchip: enable tsadc node for rk3366-tb

[firefly-linux-kernel-4.4.55.git] / net / ipv4 / af_inet.c

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 11c4ca13ec3b0434090b3d5cbdd7a0aae784952f..671eb00929156d7f203555715f14783a0b1c2138 100644 (file)
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -121,6 +121,19 @@
 #endif
 #include <net/l3mdev.h>
 
+#ifdef CONFIG_ANDROID_PARANOID_NETWORK
+#include <linux/android_aid.h>
+
+static inline int current_has_network(void)
+{
+       return in_egroup_p(AID_INET) || capable(CAP_NET_RAW);
+}
+#else
+static inline int current_has_network(void)
+{
+       return 1;
+}
+#endif
 
 /* The inetsw table contains everything that inet_create needs to
  * build a new socket.
@@ -257,6 +270,12 @@ static int inet_create(struct net *net, struct socket *sock, int protocol,
        int try_loading_module = 0;
        int err;
 
+       if (protocol < 0 || protocol >= IPPROTO_MAX)
+               return -EINVAL;
+
+       if (!current_has_network())
+               return -EACCES;
+
        sock->state = SS_UNCONNECTED;
 
        /* Look for the requested type/protocol pair. */
@@ -305,8 +324,7 @@ lookup_protocol:
        }
 
        err = -EPERM;
-       if (sock->type == SOCK_RAW && !kern &&
-           !ns_capable(net->user_ns, CAP_NET_RAW))
+       if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
                goto out_rcu_unlock;
 
        sock->ops = answer->ops;
@@ -868,6 +886,7 @@ int inet_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
        case SIOCSIFPFLAGS:
        case SIOCGIFPFLAGS:
        case SIOCSIFFLAGS:
+       case SIOCKILLADDR:
                err = devinet_ioctl(net, cmd, (void __user *)arg);
                break;
        default: