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authorChia-chi Yeh <chiachi@android.com>2009-06-19 07:15:05 +0800
committerDan Willemsen <dwillemsen@nvidia.com>2011-11-30 21:38:11 -0800
commit42e2d4393024e4582a80e1c5627aba7bf331196f (patch)
tree09d5978709914fc410ce17c69c9e69f59a7d13e6 /security
parent6141304f97bfb546a24cd31b49edbf20e5d1a2ed (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')
-rw-r--r--security/commoncap.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/security/commoncap.c b/security/commoncap.c
index a93b3b733079..1322b6aa648d 100644
--- a/security/commoncap.c
+++ b/security/commoncap.c
@@ -29,6 +29,10 @@
#include <linux/securebits.h>
#include <linux/user_namespace.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.
@@ -83,6 +87,11 @@ EXPORT_SYMBOL(cap_netlink_recv);
int cap_capable(struct task_struct *tsk, const struct cred *cred,
struct user_namespace *targ_ns, int cap, int audit)
{
+ 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;
+
for (;;) {
/* The creator of the user namespace has all caps. */
if (targ_ns != &init_user_ns && targ_ns->creator == cred->user)