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authorChia-chi Yeh <chiachi@android.com>2009-06-19 07:15:05 +0800
committerJohn Stultz <john.stultz@linaro.org>2016-02-16 13:51:13 -0800
commit9a5e2c00592e2dcb648a1ae2ad7906b56b93448d (patch)
tree2c2a336451359febad104da43f58c7cf5541b7b0 /security/commoncap.c
parent4b96f2c640f2533a6b1d4080a959d33617844ae6 (diff)
security: Add AID_NET_RAW and AID_NET_ADMIN capability check in cap_capable().
Signed-off-by: Chia-chi Yeh <chiachi@android.com>
Diffstat (limited to 'security/commoncap.c')
-rw-r--r--security/commoncap.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/security/commoncap.c b/security/commoncap.c
index 1832cf701c3d..978bd9f852f7 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -31,6 +31,10 @@
#include <linux/binfmts.h>
#include <linux/personality.h>
+#ifdef CONFIG_ANDROID_PARANOID_NETWORK
+#include <linux/android_aid.h>
+#endif
+
/*
* If a non-root user executes a setuid-root binary in
* !secure(SECURE_NOROOT) mode, then we raise capabilities.
@@ -73,6 +77,11 @@ int cap_capable(const struct cred *cred, struct user_namespace *targ_ns,
{
struct user_namespace *ns = targ_ns;
+ if (cap == CAP_NET_RAW && in_egroup_p(AID_NET_RAW))
+ return 0;
+ if (cap == CAP_NET_ADMIN && in_egroup_p(AID_NET_ADMIN))
+ return 0;
+
/* See if cred has the capability in the target user namespace
* by examining the target user namespace and all of the target
* user namespace's parents.