o POSIX.2c Userland tool support for POSIX.1e ACLs -- getfacl retrieves ACLs

  from files and directories, and setfacl sets ACLs on files and directories.

Submitted by:	jedgar
Obtained from:	TrustedBSD Project

1 files changed, 74 insertions, 0 deletions

diff --git a/bin/setfacl/file.c b/bin/setfacl/file.c
new file mode 100644
index 0000000..776efdc
--- /dev/null
+++ b/bin/setfacl/file.c
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2001 Chris D. Faulhaber
+ * 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 THE VOICES IN HIS HEAD 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/acl.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <string.h>
+#include <sysexits.h>
+
+#include "setfacl.h"
+
+/* read acl text from a file and return the corresponding acl */
+acl_t
+get_acl_from_file(const char *filename)
+{
+	FILE *file;
+	char buf[BUFSIZ];
+
+	if (!filename)
+		err(EX_USAGE, "(null) filename in get_acl_from_file()");
+
+	bzero(&buf, sizeof(buf));
+
+	if (!strcmp(filename, "-")) {
+		if (have_stdin)
+			err(EX_USAGE, "cannot specify more than one stdin");
+		file = stdin;
+		have_stdin = 1;
+	} else {
+		file = fopen(filename, "r");
+		if (!file)
+			err(EX_OSERR, "fopen() %s failed", filename);
+	}
+
+	fread(buf, sizeof(buf), 1, file);
+	if (ferror(file)) {
+		fclose(file);
+		err(EX_USAGE, "error reading from %s", filename);
+	} else if (!feof(file)) {
+		fclose(file);
+		errx(EX_USAGE, "line too long in %s", filename);
+	}
+
+	fclose(file);
+
+	return acl_from_text(buf);
+}