1 files changed, 76 insertions, 0 deletions
diff --git a/bin/setfacl/file.c b/bin/setfacl/file.c
new file mode 100644
index 000000000000..f7e9672c3ce8
--- /dev/null
+++ b/bin/setfacl/file.c
@@ -0,0 +1,76 @@
+/*-
+ * 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 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.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/types.h>
+#include <sys/acl.h>
+
+#include <err.h>
+#include <stdio.h>
+#include <string.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;
+	size_t len;
+	char buf[BUFSIZ+1];
+
+	if (filename == NULL)
+		err(1, "(null) filename in get_acl_from_file()");
+
+	if (strcmp(filename, "-") == 0) {
+		if (have_stdin)
+			err(1, "cannot specify more than one stdin");
+		file = stdin;
+		have_stdin = true;
+	} else {
+		file = fopen(filename, "r");
+		if (file == NULL)
+			err(1, "fopen() %s failed", filename);
+	}
+
+	len = fread(buf, (size_t)1, sizeof(buf) - 1, file);
+	buf[len] = '\0';
+	if (ferror(file) != 0) {
+		fclose(file);
+		err(1, "error reading from %s", filename);
+	} else if (feof(file) == 0) {
+		fclose(file);
+		errx(1, "line too long in %s", filename);
+	}
+
+	fclose(file);
+
+	return (acl_from_text(buf));
+}