From 9a5e2c00592e2dcb648a1ae2ad7906b56b93448d Mon Sep 17 00:00:00 2001 From: Chia-chi Yeh Date: Fri, 19 Jun 2009 07:15:05 +0800 Subject: [PATCH] security: Add AID_NET_RAW and AID_NET_ADMIN capability check in cap_capable(). Signed-off-by: Chia-chi Yeh --- include/linux/android_aid.h | 1 + security/commoncap.c | 9 +++++++++ 2 files changed, 10 insertions(+) diff --git a/include/linux/android_aid.h b/include/linux/android_aid.h index dc66530e5fc7..3d7a5ead1200 100644 --- a/include/linux/android_aid.h +++ b/include/linux/android_aid.h @@ -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 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 #include +#ifdef CONFIG_ANDROID_PARANOID_NETWORK +#include +#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. -- 2.34.1