1 files changed, 113 insertions, 0 deletions
diff --git a/bin/ps/lomac.c b/bin/ps/lomac.c
new file mode 100644
index 0000000..9ad9aa4
--- /dev/null
+++ b/bin/ps/lomac.c
@@ -0,0 +1,113 @@
+/*-
+ * Copyright (c) 2001 Networks Associates Technologies, Inc.
+ * All rights reserved.
+ *
+ * This software was developed for the FreeBSD Project by NAI Labs, the
+ * Security Research Division of Network Associates, Inc. under
+ * DARPA/SPAWAR contract N66001-01-C-8035 ("CBOSS"), as part of the DARPA
+ * CHATS research program.
+ *
+ * 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. The name of the author may not be used to endorse or promote
+ *    products derived from this software without specific prior written
+ *    permission.
+ *
+ * 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.
+ *
+ * $Id: lomac.c,v 1.3 2001/11/26 21:04:04 bfeldman Exp $
+ * $FreeBSD$
+ */
+
+/*
+ * This file encapsulates ls's use of LOMAC's ioctl interface.  ls uses
+ * this interface to determine the LOMAC attributes of files.
+ */
+
+#include <sys/types.h>
+#include <sys/lomacio.h>
+
+#include <err.h>
+#include <fts.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+#include "lomac.h"
+
+#define LOMAC_DEVICE "/dev/lomac"
+
+static int devlomac = -1;		/* file descriptor for LOMAC_DEVICE */
+
+/* lomac_start()
+ *
+ * in:     nothing
+ * out:    nothing
+ * return: nothing
+ *
+ * Makes `devlomac' a fd to LOMAC_DEVICE
+ */
+
+void 
+lomac_start(void) {
+
+	if ((devlomac = open(LOMAC_DEVICE, O_RDWR)) == -1)
+		err(1, "cannot open %s", LOMAC_DEVICE);
+}
+
+/* lomac_stop()
+ *
+ * in:     nothing
+ * out:    nothing
+ * return: nothing
+ *
+ * Closes `devlomac', the fd to LOMAC_DEVICE.
+ */
+
+void 
+lomac_stop(void) {
+
+	if (devlomac != -1 && close(devlomac) == -1)
+		err(1, "cannot close %s", LOMAC_DEVICE);
+}
+
+/* get_lattr()
+ *
+ * in:     pid - pid of process whose level we want to know
+ * out:    nothing
+ * return: level of proces `pid'
+ *
+ * This function uses LOMAC's ioctl interface to determine the LOMAC
+ * attributes of the process with pid `pid'.
+ *
+ * This function presently reports only levels.  When LOMAC's ioctl
+ * interface is expanded to report levels and flags, this function
+ * will also need expansion.
+ */
+
+int
+get_lattr(int pid) {
+
+	if (devlomac == -1)
+		lomac_start();
+	if (ioctl(devlomac, LIOGETPLEVEL, &pid) == -1)
+		err(1, NULL);
+	return (pid);
+}