Introduce simple command line tools to manage MAC labels on processes and

files.  Basically wrappers for mac_{get,set}_{file,link,pid,proc}(3).
Man pages to be updated shortly.

Approved by:	re
Obtained from:	TrustedBSD Project
Sponsored by:	DARPA, Network Associates Laboratories

1 files changed, 116 insertions, 0 deletions

diff --git a/usr.sbin/getfmac/getfmac.c b/usr.sbin/getfmac/getfmac.c
new file mode 100644
index 0000000..9c3dc6d
--- /dev/null
+++ b/usr.sbin/getfmac/getfmac.c
@@ -0,0 +1,116 @@
+/*-
+ * Copyright (c) 2002 Networks Associates Technology, 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 names of the authors 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.
+ *
+ * $FreeBSD$
+ */
+#include <sys/types.h>
+#include <sys/mac.h>
+
+#include <err.h>
+#include <paths.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sysexits.h>
+#include <unistd.h>
+
+#define	MAXELEMENTS	32
+
+void
+usage(void)
+{
+
+	fprintf(stderr,
+	    "getfmac [-h] [-l list,of,labels] [file1] [file2 ...]\n");
+	exit (EX_USAGE);
+}
+
+int
+main(int argc, char *argv[])
+{
+	char ch, *labellist, *string;
+	mac_t label;
+	int hflag;
+	int error, i;
+
+	labellist = NULL;
+	hflag = 0;
+	while ((ch = getopt(argc, argv, "hl:")) != -1) {
+		switch (ch) {
+		case 'h':
+			hflag = 1;
+			break;
+		case 'l':
+			if (labellist != NULL)
+				usage();
+			labellist = argv[optind - 1];
+			break;
+		default:
+			usage();
+		}
+
+	}
+
+	for (i = optind; i < argc; i++) {
+		if (labellist != NULL)
+			error = mac_prepare(&label, labellist);
+		else
+			error = mac_prepare_file_label(&label);
+
+		if (error != 0) {
+			perror("mac_prepare");
+			return (-1);
+		}
+
+		if (hflag)
+			error = mac_get_link(argv[i], label);
+		else
+			error = mac_get_file(argv[i], label);
+		if (error) {
+			perror(argv[i]);
+			mac_free(label);
+			continue;
+		}
+
+		error = mac_to_text(label, &string);
+		if (error != 0)
+			perror("mac_to_text");
+		else {
+			printf("%s: %s\n", argv[i], string);
+			free(string);
+		}
+		mac_free(label);
+	}
+
+	exit(EX_OK);
+}