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ANDROID: net: paranoid: security: Add AID_NET_RAW and AID_NET_ADMIN capability check in cap_capable().

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Signed-off-by: Chia-chi Yeh <chiachi@android.com>
This commit is contained in:
Chia-chi Yeh 2009-06-19 07:15:05 +08:00 committed by Amit Pundir
parent bac1ef3ca9
commit 944c75118e
2 changed files with 10 additions and 0 deletions
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1
include/linux/android_aid.h
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@ -21,5 +21,6 @@
#define AID_OBSOLETE_001 KGIDT_INIT(3002) /* was NET_BT */
#define AID_INET KGIDT_INIT(3003)
#define AID_NET_RAW KGIDT_INIT(3004)
#define AID_NET_ADMIN KGIDT_INIT(3005)
#endif

9
security/commoncap.c
View file

@ -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.