diff options
Diffstat (limited to 'net/ipv4/af_inet.c')
| -rw-r--r-- | net/ipv4/af_inet.c | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index afc18e9ca94a..68bf7bdf7fdb 100644 --- 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. @@ -260,6 +273,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol, 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. */ @@ -308,8 +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; |