1 files changed, 98 insertions, 0 deletions
diff --git a/lib/libc/posix1e/acl_entry.c b/lib/libc/posix1e/acl_entry.c
new file mode 100644
index 0000000..f5bdbed
--- /dev/null
+++ b/lib/libc/posix1e/acl_entry.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2001-2002 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 "namespace.h"
+#include <sys/acl.h>
+#include "un-namespace.h"
+
+#include <errno.h>
+#include <stdlib.h>
+
+/*
+ * acl_create_entry() (23.4.7): create a new ACL entry in the ACL pointed
+ * to by acl_p.
+ */
+int
+acl_create_entry(acl_t *acl_p, acl_entry_t *entry_p)
+{
+	struct acl *acl_int;
+
+	if (acl_p == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	acl_int = &(*acl_p)->ats_acl;
+
+	if ((acl_int->acl_cnt >= ACL_MAX_ENTRIES) || (acl_int->acl_cnt < 0)) {
+		errno = EINVAL;
+		return (-1);
+	}
+
+	*entry_p = &acl_int->acl_entry[acl_int->acl_cnt++];
+
+	(**entry_p).ae_tag  = ACL_UNDEFINED_TAG;
+	(**entry_p).ae_id   = ACL_UNDEFINED_ID;
+	(**entry_p).ae_perm = ACL_PERM_NONE;
+
+	(*acl_p)->ats_cur_entry = 0;
+
+	return (0);
+}
+
+/*
+ * acl_get_entry() (23.4.14): returns an ACL entry from an ACL
+ * indicated by entry_id.
+ */
+int
+acl_get_entry(acl_t acl, int entry_id, acl_entry_t *entry_p)
+{
+	struct acl *acl_int;
+
+	if (acl == NULL) {
+		errno = EINVAL;
+		return (-1);
+	}
+	acl_int = &acl->ats_acl;
+
+	switch(entry_id) {
+	case ACL_FIRST_ENTRY:
+		acl->ats_cur_entry = 0;
+		/* PASSTHROUGH */
+	case ACL_NEXT_ENTRY:
+		if (acl->ats_cur_entry >= acl->ats_acl.acl_cnt)
+			return 0;
+		*entry_p = &acl_int->acl_entry[acl->ats_cur_entry++];
+		return (1);
+	}
+
+	errno = EINVAL;
+	return (-1);
+}