diff options
Diffstat (limited to 'net/ipv4/af_inet.c')
| -rw-r--r-- | net/ipv4/af_inet.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index ef1528a..4d60f12 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -118,6 +118,19 @@ #include <linux/mroute.h> #endif +#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. @@ -258,6 +271,7 @@ static inline int inet_netns_ok(struct net *net, int protocol) return ipprot->netns_ok; } + /* * Create an inet socket. */ @@ -274,6 +288,9 @@ static int inet_create(struct net *net, struct socket *sock, int protocol, int try_loading_module = 0; int err; + if (!current_has_network()) + return -EACCES; + if (unlikely(!inet_ehash_secret)) if (sock->type != SOCK_RAW && sock->type != SOCK_DGRAM) build_ehash_secret(); @@ -874,6 +891,7 @@ 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: |