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ANDROID: net: paranoid: Replace AID_NET_RAW checks with capable(CAP_NET_RAW).

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Signed-off-by: Chia-chi Yeh <chiachi@android.com>
This commit is contained in:
Chia-chi Yeh 2009-06-30 11:23:04 +08:00 committed by Amit Pundir
parent 944c75118e
commit 336442ab5c
2 changed files with 22 additions and 50 deletions
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36
net/ipv4/af_inet.c
View file

@ -125,6 +125,16 @@
#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
@ -244,29 +254,6 @@ int inet_listen(struct socket *sock, int backlog)
}
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.
*/
@ -336,8 +323,7 @@ static int inet_create(struct net *net, struct socket *sock, int 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;

36
net/ipv6/af_inet6.c
View file

@ -68,6 +68,16 @@
#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
#include "ip6_offload.h"
@ -111,29 +121,6 @@ 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)
{
@ -198,8 +185,7 @@ static int inet6_create(struct net *net, struct socket *sock, int 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;