From a996141f6ed74d133b214e78a69e180430dee83c Mon Sep 17 00:00:00 2001
From: Robert Watson <rwatson@FreeBSD.org>
Date: Wed, 7 Jun 2000 04:53:49 +0000
Subject: [PATCH] Introduce additional POSIX.1e-related stubs

o options CAPABILITIES
o kern/kern_cap.c -- syscall stubs returning ENOSYS

syscalls.master changes to follow

Obtained from:	TrustedBSD Project
---
 sys/conf/files      |  1 +
 sys/conf/options    |  3 +++
 sys/kern/kern_cap.c | 66 +++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 70 insertions(+)
 create mode 100644 sys/kern/kern_cap.c

diff --git a/sys/conf/files b/sys/conf/files
index dce0e894628f..57b5d015b6bb 100644
--- a/sys/conf/files
+++ b/sys/conf/files
@@ -377,6 +377,7 @@ kern/init_main.c	standard
 kern/init_sysent.c	standard
 kern/kern_acct.c	standard
 kern/kern_acl.c		standard
+kern/kern_cap.c		standard
 kern/kern_clock.c	standard
 kern/kern_conf.c	standard
 kern/kern_descrip.c	standard
diff --git a/sys/conf/options b/sys/conf/options
index c738de0e0da9..6f364a22a3d3 100644
--- a/sys/conf/options
+++ b/sys/conf/options
@@ -94,6 +94,9 @@ P1003_1B			opt_posix.h
 _KPOSIX_PRIORITY_SCHEDULING	opt_posix.h
 _KPOSIX_VERSION			opt_posix.h
 
+# TrustedBSD and POSIX.1e Kernel Options
+CAPABILITIES	opt_cap.h
+
 # Do we want the config file compiled into the kernel?
 INCLUDE_CONFIG_FILE	opt_config.h
 
diff --git a/sys/kern/kern_cap.c b/sys/kern/kern_cap.c
new file mode 100644
index 000000000000..6c5dc58dce41
--- /dev/null
+++ b/sys/kern/kern_cap.c
@@ -0,0 +1,66 @@
+/*-
+ * Copyright (c) 2000 Robert N. M. Watson
+ * All rights reserved.
+ *
+ * Copyright (c) 1999 Ilmar S. Habibulin
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
+ *
+ *       $FreeBSD$
+ */
+/*
+ * Developed by the TrustedBSD Project.
+ * Support for POSIX.1e process capabilities.
+ *
+ * XXX Currently just syscall stubs
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/proc.h>
+#include <sys/sysproto.h>
+#include <sys/sysent.h>
+#include <sys/capability.h>
+#include <sys/acct.h>
+
+/*
+ * Syscall to allow a process to get it's currently capability set
+ */
+int
+__cap_get_proc(struct proc *p, struct __cap_get_proc_args *uap)
+{
+
+	return (ENOSYS);
+}
+
+/*
+ * Syscall to allow a process to set it's current capability set, if
+ * permitted.
+ */
+int
+__cap_set_proc(struct proc *p, struct __cap_set_proc_args *uap)
+{
+
+	return (ENOSYS);
+}