OpenSolaris Launch

1 files changed, 128 insertions, 0 deletions

diff --git a/usr/src/lib/libsec/common/aclmode.c b/usr/src/lib/libsec/common/aclmode.c
new file mode 100644
index 0000000000..b59f95a725
--- /dev/null
+++ b/usr/src/lib/libsec/common/aclmode.c
@@ -0,0 +1,128 @@
+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License, Version 1.0 only
+ * (the "License").  You may not use this file except in compliance
+ * with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+/*
+ * Copyright (c) 1993-1997 by Sun Microsystems, Inc.
+ * All rights reserved
+ */
+
+#pragma ident	"%Z%%M%	%I%	%E% SMI"
+/* LINTLIBRARY */
+
+/*
+ * Convert ACL to/from permission bits
+ */
+
+#include <errno.h>
+#include <sys/acl.h>
+
+int
+acltomode(aclent_t *aclbufp, int nentries, mode_t *modep)
+{
+	aclent_t		*tp;
+	unsigned long		mode;
+	unsigned long		grpmode;
+	unsigned long		mask;
+	int			which;
+	int			got_mask = 0;
+
+	*modep = 0;
+	if (aclcheck(aclbufp, nentries, &which) != 0) {
+		errno = EINVAL;
+		return (-1);	/* errno is set in aclcheck() */
+	}
+	for (tp = aclbufp; nentries--; tp++) {
+		if (tp->a_type == USER_OBJ) {
+			mode = tp->a_perm;
+			if (mode > 07)
+				return (-1);
+			*modep |= (mode << 6);
+			continue;
+		}
+		if (tp->a_type == GROUP_OBJ) {
+			grpmode = tp->a_perm;
+			if (grpmode > 07)
+				return (-1);
+			continue;
+		}
+		if (tp->a_type == CLASS_OBJ) {
+			got_mask = 1;
+			mask = tp->a_perm;
+			if (mask > 07)
+				return (-1);
+			*modep |= (mask << 3);
+			continue;
+		}
+		if (tp->a_type == OTHER_OBJ) {
+			mode = tp->a_perm;
+			if (mode > 07)
+				return (-1);
+			*modep |= mode;
+			continue; /* we may break here if it is sorted */
+		}
+	}
+	if (!got_mask)
+		*modep |= (grpmode << 3);
+	return (0);
+}
+
+
+int
+aclfrommode(aclent_t *aclbufp, int nentries, mode_t *modep)
+{
+	aclent_t		*tp;
+	aclent_t		*savp;
+	mode_t 			mode;
+	mode_t 			grpmode;
+	int			which;
+	int			got_mask = 0;
+
+	if (aclcheck(aclbufp, nentries, &which) != 0) {
+		errno = EINVAL;
+		return (-1);	/* errno is set in aclcheck() */
+	}
+	for (tp = aclbufp; nentries--; tp++) {
+		if (tp->a_type == USER_OBJ) {
+			mode = (*modep & 0700);
+			tp->a_perm = (mode >> 6);
+			continue;
+		}
+		if (tp->a_type == GROUP_OBJ) {
+			grpmode = (*modep & 070);
+			savp = tp;
+			continue;
+		}
+		if (tp->a_type == CLASS_OBJ) {
+			got_mask = 1;
+			mode = (*modep & 070);
+			tp->a_perm = (mode >> 3);
+			continue;
+		}
+		if (tp->a_type == OTHER_OBJ) {
+			mode = (*modep & 07);
+			tp->a_perm = (o_mode_t)mode;
+			continue; /* we may break here if it is sorted */
+		}
+	}
+	if (!got_mask)
+		savp->a_perm = (grpmode >> 3);
+	return (0);
+}