From: Chia-chi Yeh <chiachi@android.com>
Date: Tue, 30 Jun 2009 03:23:04 +0000 (+0800)
Subject: net: Replace AID_NET_RAW checks with capable(CAP_NET_RAW).
X-Git-Tag: firefly_0821_release~7613^2~776
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=ebd4673cf669673567d8e5990fc45bfc12fe69ac;p=firefly-linux-kernel-4.4.55.git

net: Replace AID_NET_RAW checks with capable(CAP_NET_RAW).

Signed-off-by: Chia-chi Yeh <chiachi@android.com>
---

diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 49f024f62963..3af16baac56f 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -120,6 +120,16 @@
 
 #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
@@ -261,28 +271,6 @@ static inline int inet_netns_ok(struct net *net, int protocol)
 	return ipprot->netns_ok;
 }
 
-#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(int cap)
-{
-	if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))
-		return 1;
-	return capable(cap);
-}
-# else
-static inline int current_has_network(void)
-{
-	return 1;
-}
-static inline int current_has_cap(int cap)
-{
-	return capable(cap);
-}
-#endif
 
 /*
  *	Create an inet socket.
@@ -355,7 +343,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (sock->type == SOCK_RAW && !kern && !current_has_cap(CAP_NET_RAW))
+	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
 		goto out_rcu_unlock;
 
 	err = -EAFNOSUPPORT;
diff --git a/net/ipv6/af_inet6.c b/net/ipv6/af_inet6.c
index 4384e2bf7b15..cd436663f23f 100644
--- a/net/ipv6/af_inet6.c
+++ b/net/ipv6/af_inet6.c
@@ -65,6 +65,16 @@
 
 #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");
@@ -100,29 +110,6 @@ 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(int cap)
-{
-	if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))
-		return 1;
-	return capable(cap);
-}
-# else
-static inline int current_has_network(void)
-{
-	return 1;
-}
-static inline int current_has_cap(int cap)
-{
-	return capable(cap);
-}
-#endif
-
 static int inet6_create(struct net *net, struct socket *sock, int protocol,
 			int kern)
 {
@@ -190,7 +177,7 @@ lookup_protocol:
 	}
 
 	err = -EPERM;
-	if (sock->type == SOCK_RAW && !kern && !current_has_cap(CAP_NET_RAW))
+	if (sock->type == SOCK_RAW && !kern && !capable(CAP_NET_RAW))
 		goto out_rcu_unlock;
 
 	sock->ops = answer->ops;