libposix1e provides userland library calls for the POSIX.1e security

interface.  This commit introduces the library, as well as a modest
subset of the ACL calls, with some modifications to support multiple
ACL semantics.

Reviewed by:	eivind

1 files changed, 46 insertions, 0 deletions

diff --git a/lib/libc/posix1e/acl_support.h b/lib/libc/posix1e/acl_support.h
new file mode 100644
index 0000000..237dd84
--- /dev/null
+++ b/lib/libc/posix1e/acl_support.h
@@ -0,0 +1,46 @@
+/*-
+ * Copyright (c) 1999 Robert N. M. Watson
+ * 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.
+ *
+ *	$FreeBSD$
+ */
+/*
+ * Support functionality for the POSIX.1e ACL interface
+ * These calls are intended only to be called within the library.
+ */
+#ifndef _ACL_SUPPORT_H
+#define _ACL_SUPPORT_H
+
+#define ACL_STRING_PERM_MAXSIZE 3       /* read, write, exec */
+
+int	acl_check(struct acl *acl);
+int	acl_sort(acl_t acl);
+int	acl_posix1e(acl_t acl);
+int	acl_id_to_name(acl_tag_t tag, uid_t id, ssize_t buf_len, char *buf);
+int	acl_name_to_id(acl_tag_t tag, char *name, uid_t *id);
+int	acl_perm_to_string(acl_perm_t perm, ssize_t buf_len, char *buf);
+int	acl_string_to_perm(char *string, acl_perm_t *perm);
+int	acl_add_entry(acl_t acl, acl_tag_t tag, uid_t id, acl_perm_t perm);
+
+#endif