diff options
author | Chia-chi Yeh <chiachi@android.com> | 2009-06-19 07:15:05 +0800 |
---|---|---|
committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:38:11 -0800 |
commit | 42e2d4393024e4582a80e1c5627aba7bf331196f (patch) | |
tree | 09d5978709914fc410ce17c69c9e69f59a7d13e6 | |
parent | 6141304f97bfb546a24cd31b49edbf20e5d1a2ed (diff) |
security: Add AID_NET_RAW and AID_NET_ADMIN capability check in cap_capable().
Signed-off-by: Chia-chi Yeh <chiachi@android.com>
-rw-r--r-- | include/linux/android_aid.h | 1 | ||||
-rw-r--r-- | security/commoncap.c | 9 |
2 files changed, 10 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 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) |