From e2abcdca396661cbe0ae2ddb13d5c2b85682c13a Mon Sep 17 00:00:00 2001
From: Cem Keylan <cem@ckyln.com>
Date: Fri, 16 Oct 2020 17:41:25 +0300
Subject: initial commit

---
 sys/sys/ucred.h | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 sys/sys/ucred.h

(limited to 'sys/sys/ucred.h')

diff --git a/sys/sys/ucred.h b/sys/sys/ucred.h
new file mode 100644
index 0000000..7ce0fd6
--- /dev/null
+++ b/sys/sys/ucred.h
@@ -0,0 +1,84 @@
+/*	$OpenBSD: ucred.h,v 1.13 2018/06/21 13:58:21 visa Exp $	*/
+/*	$NetBSD: ucred.h,v 1.12 1995/06/01 22:44:50 jtc Exp $	*/
+
+/*
+ * Copyright (c) 1989, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)ucred.h	8.2 (Berkeley) 1/4/94
+ */
+
+#ifndef _SYS_UCRED_H_
+#define	_SYS_UCRED_H_
+
+#include <sys/syslimits.h>
+
+/*
+ * Credentials.
+ */
+struct ucred {
+	u_int	cr_ref;			/* reference count */
+
+/* The following fields are all copied by crset() */
+#define	cr_startcopy	cr_uid
+	uid_t	cr_uid;			/* effective user id */
+	uid_t	cr_ruid;		/* Real user id. */
+	uid_t	cr_svuid;		/* Saved effective user id. */
+	gid_t	cr_gid;			/* effective group id */
+	gid_t	cr_rgid;		/* Real group id. */
+	gid_t	cr_svgid;		/* Saved effective group id. */
+	short	cr_ngroups;		/* number of groups */
+	gid_t	cr_groups[NGROUPS_MAX];	/* groups */
+};
+#define NOCRED ((struct ucred *)-1)	/* no credential available */
+#define FSCRED ((struct ucred *)-2)	/* filesystem credential */
+
+/*
+ *  Userspace version, for use in syscalls arguments
+ */
+struct xucred {
+	uid_t	cr_uid;			/* user id */
+	gid_t	cr_gid;			/* group id */
+	short	cr_ngroups;		/* number of groups */
+	gid_t	cr_groups[NGROUPS_MAX];	/* groups */
+};
+
+#ifdef _KERNEL
+
+int		crfromxucred(struct ucred *, const struct xucred *);
+void		crset(struct ucred *, const struct ucred *);
+struct ucred	*crcopy(struct ucred *cr);
+struct ucred	*crdup(struct ucred *cr);
+void		crfree(struct ucred *cr);
+struct ucred	*crget(void);
+struct ucred	*crhold(struct ucred *);
+int		suser(struct proc *p);
+int		suser_ucred(struct ucred *cred);
+
+#endif /* _KERNEL */
+
+#endif /* !_SYS_UCRED_H_ */
-- 
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