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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-13 20:49:37 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-13 20:49:37 -0700
commit9921b256bb7402143a5bf0b722582562b6485eb8 (patch)
treef30bc9ed896a65c7e891919547165dc3c02393c1 /include/linux/cred.h
parent7a49efae71397cf7e9299bbb22b2d12f7cf12428 (diff)
parent9e2b2dc4133f65272a6d3c5dcb2ce63f8a87cae9 (diff)
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
Diffstat (limited to 'include/linux/cred.h')
-rw-r--r--include/linux/cred.h50
1 files changed, 50 insertions, 0 deletions
diff --git a/include/linux/cred.h b/include/linux/cred.h
new file mode 100644
index 00000000000..b69222cc1fd
--- /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 */