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authorDavid Howells <dhowells@redhat.com>2020-02-12 13:58:35 +0000
committerDavid Howells <dhowells@redhat.com>2020-05-19 15:16:08 +0100
commit998f50407ffc9370565c7ed3fcd1366adccdfbbf (patch)
treef3c28ad22a9d75c557e399d83ac4d06426dd5c8e /include/linux/security.h
parentc73be61cede5882f9605a852414db559c0ebedfd (diff)
security: Add hooks to rule on setting a watch
Add security hooks that will allow an LSM to rule on whether or not a watch may be set. More than one hook is required as the watches watch different types of object. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: James Morris <jamorris@linux.microsoft.com> cc: Casey Schaufler <casey@schaufler-ca.com> cc: Stephen Smalley <sds@tycho.nsa.gov> cc: linux-security-module@vger.kernel.org
Diffstat (limited to 'include/linux/security.h')
-rw-r--r--include/linux/security.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/security.h b/include/linux/security.h
index 9a5d12ab491b..e7914e4e0b02 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -1290,6 +1290,15 @@ static inline int security_post_notification(const struct cred *w_cred,
}
#endif
+#if defined(CONFIG_SECURITY) && defined(CONFIG_KEY_NOTIFICATIONS)
+int security_watch_key(struct key *key);
+#else
+static inline int security_watch_key(struct key *key)
+{
+ return 0;
+}
+#endif
+
#ifdef CONFIG_SECURITY_NETWORK
int security_unix_stream_connect(struct sock *sock, struct sock *other, struct sock *newsk);