Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
  CRED: Introduce credential access wrappers

2 files changed, 51 insertions, 0 deletions

diff --git a/include/linux/cred.h b/include/linux/cred.h
new file mode 100644
index 000000000000..b69222cc1fd2
--- /dev/null
+++ b/include/linux/cred.h
@@ -0,0 +1,50 @@
+/* Credentials management
+ *
+ * Copyright (C) 2008 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_CRED_H
+#define _LINUX_CRED_H
+
+#define get_current_user()      (get_uid(current->user))
+
+#define task_uid(task)          ((task)->uid)
+#define task_gid(task)          ((task)->gid)
+#define task_euid(task)         ((task)->euid)
+#define task_egid(task)         ((task)->egid)
+
+#define current_uid()           (current->uid)
+#define current_gid()           (current->gid)
+#define current_euid()          (current->euid)
+#define current_egid()          (current->egid)
+#define current_suid()          (current->suid)
+#define current_sgid()          (current->sgid)
+#define current_fsuid()         (current->fsuid)
+#define current_fsgid()         (current->fsgid)
+#define current_cap()           (current->cap_effective)
+
+#define current_uid_gid(_uid, _gid)             \
+do {                                            \
+        *(_uid) = current->uid;                 \
+        *(_gid) = current->gid;                 \
+} while(0)
+
+#define current_euid_egid(_uid, _gid)           \
+do {                                            \
+        *(_uid) = current->euid;                \
+        *(_gid) = current->egid;                \
+} while(0)
+
+#define current_fsuid_fsgid(_uid, _gid)         \
+do {                                            \
+        *(_uid) = current->fsuid;               \
+        *(_gid) = current->fsgid;               \
+} while(0)
+
+#endif /* _LINUX_CRED_H */
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 5850bfb968a8..cfb0d87b99fc 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -87,6 +87,7 @@ struct sched_param {
 #include <linux/task_io_accounting.h>
 #include <linux/kobject.h>
 #include <linux/latencytop.h>
+#include <linux/cred.h>
 
 #include <asm/processor.h>