diff options
| -rw-r--r-- | include/linux/android_aid.h | 1 | ||||
| -rw-r--r-- | security/commoncap.c | 10 |
2 files changed, 11 insertions, 0 deletions
diff --git a/include/linux/android_aid.h b/include/linux/android_aid.h index d22723afbca1..7f16a14c0fe7 100644 --- a/include/linux/android_aid.h +++ b/include/linux/android_aid.h @@ -21,5 +21,6 @@ #define AID_NET_BT 3002 #define AID_INET 3003 #define AID_NET_RAW 3004 +#define AID_NET_ADMIN 3005 #endif diff --git a/security/commoncap.c b/security/commoncap.c index fe30751a6cd9..ea768866f700 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -28,6 +28,10 @@ #include <linux/prctl.h> #include <linux/securebits.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. @@ -82,6 +86,12 @@ EXPORT_SYMBOL(cap_netlink_recv); int cap_capable(struct task_struct *tsk, const struct cred *cred, int cap, int audit) { +#ifdef CONFIG_ANDROID_PARANOID_NETWORK + 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; +#endif return cap_raised(cred->cap_effective, cap) ? 0 : -EPERM; } |