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Commit 6a3db02c authored by Chia-chi Yeh's avatar Chia-chi Yeh Committed by Ruchi Kandoi
Browse files

net: Replace AID_NET_RAW checks with capable(CAP_NET_RAW). 



Signed-off-by: default avatarChia-chi Yeh <chiachi@android.com>
parent 7985836f

net/ipv4/af_inet.c

+11 −25
Original line number Diff line number Diff line
@@ -121,6 +121,16 @@ 


#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
@@ -245,29 +255,6 @@ out: 
}

EXPORT_SYMBOL(inet_listen);



#ifdef CONFIG_ANDROID_PARANOID_NETWORK

static inline int current_has_network(void)

{

	return (!current_euid() || in_egroup_p(AID_INET) ||

		in_egroup_p(AID_NET_RAW));

}

static inline int current_has_cap(struct net *net, int cap)

{

	if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))

		return 1;

	return ns_capable(net->user_ns, cap);

}

# else

static inline int current_has_network(void)

{

	return 1;

}

static inline int current_has_cap(struct net *net, int cap)

{

	return ns_capable(net->user_ns, cap);

}

#endif



/*

 *	Create an inet socket.

 */
@@ -334,8 +321,7 @@ lookup_protocol: 
	}



	err = -EPERM;

	if (sock->type == SOCK_RAW && !kern &&

	    !current_has_cap(net, CAP_NET_RAW))

	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))

		goto out_rcu_unlock;



	sock->ops = answer->ops;

net/ipv6/af_inet6.c

+11 −25
Original line number Diff line number Diff line
@@ -66,6 +66,16 @@ 


#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



MODULE_AUTHOR("Cast of dozens");
@@ -101,29 +111,6 @@ static __inline__ struct ipv6_pinfo *inet6_sk_generic(struct sock *sk) 
	return (struct ipv6_pinfo *)(((u8 *)sk) + offset);

}



#ifdef CONFIG_ANDROID_PARANOID_NETWORK

static inline int current_has_network(void)

{

	return (!current_euid() || in_egroup_p(AID_INET) ||

		in_egroup_p(AID_NET_RAW));

}

static inline int current_has_cap(struct net *net, int cap)

{

	if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))

		return 1;

	return ns_capable(net->user_ns, cap);

}

# else

static inline int current_has_network(void)

{

	return 1;

}

static inline int current_has_cap(struct net *net, int cap)

{

	return ns_capable(net->user_ns, cap);

}

#endif



static int inet6_create(struct net *net, struct socket *sock, int protocol,

			int kern)

{
@@ -185,8 +172,7 @@ lookup_protocol: 
	}



	err = -EPERM;

	if (sock->type == SOCK_RAW && !kern &&

	    !current_has_cap(net, CAP_NET_RAW))

	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))

		goto out_rcu_unlock;



	sock->ops = answer->ops;