Split out cd9660 bits into their own .c file to avoid #define collisions

with ufs and add also udf support.  OK miod@

1 files changed, 121 insertions, 0 deletions

diff --git a/lib/libkvm/kvm_udf.c b/lib/libkvm/kvm_udf.c
new file mode 100644
index 00000000000..0ebea8916dd
--- /dev/null
+++ b/lib/libkvm/kvm_udf.c
@@ -0,0 +1,121 @@
+/*	$OpenBSD: kvm_udf.c,v 1.1 2009/06/20 19:50:05 millert Exp $	*/
+
+/*
+ * Copyright (c) 2001, 2002 Scott Long <scottl@freebsd.org>
+ * 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.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: kvm_udf.c,v 1.1 2009/06/20 19:50:05 millert Exp $";
+#endif /* LIBC_SCCS and not lint */
+
+#include <sys/param.h>
+#include <sys/ucred.h>
+#define _KERNEL
+#include <sys/mount.h>
+#undef _KERNEL
+#include <sys/vnode.h>
+#include <sys/sysctl.h>
+
+#include <isofs/udf/ecma167-udf.h>
+#include <isofs/udf/udf.h>
+#include <isofs/udf/udf_extern.h>
+
+#include <miscfs/specfs/specdev.h>
+
+#include <stdint.h>
+#include <limits.h>
+#include <kvm.h>
+#include <db.h>
+
+#include "kvm_private.h"
+
+#define KREAD(kd, addr, obj) \
+	(kvm_read(kd, addr, obj, sizeof(*obj)) != sizeof(*obj))
+
+/* Convert file entry permission (5 bits per owner/group/user) to a mode_t */
+static mode_t
+udf_permtomode(struct unode *up)
+{
+	uint32_t perm;
+	uint16_t flags;
+	mode_t mode;
+
+	perm = letoh32(up->u_fentry->perm);
+	flags = letoh16(up->u_fentry->icbtag.flags);
+
+	mode = perm & UDF_FENTRY_PERM_USER_MASK;
+	mode |= ((perm & UDF_FENTRY_PERM_GRP_MASK) >> 2);
+	mode |= ((perm & UDF_FENTRY_PERM_OWNER_MASK) >> 4);
+	mode |= ((flags & UDF_ICB_TAG_FLAGS_STICKY) << 4);
+	mode |= ((flags & UDF_ICB_TAG_FLAGS_SETGID) << 6);
+	mode |= ((flags & UDF_ICB_TAG_FLAGS_SETUID) << 8);
+
+	return (mode);
+}
+
+int
+_kvm_stat_udf(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
+{
+	struct unode up;
+	struct file_entry fentry;
+	struct umount um;
+
+	if (KREAD(kd, (u_long)VTOU(vp), &up)) {
+		_kvm_err(kd, kd->program, "can't read unode at %p", VTOU(vp));
+		return (-1);
+	}
+	if (KREAD(kd, (u_long)up.u_fentry, &fentry)) {
+		_kvm_err(kd, kd->program, "can't read file_entry at %p",
+		    up.u_fentry);
+		return (-1);
+	}
+	if (KREAD(kd, (u_long)up.u_ump, &um)) {
+		_kvm_err(kd, kd->program, "can't read umount at %p",
+		    up.u_ump);
+		return (-1);
+	}
+	kf->va_fsid = up.u_dev;
+	kf->va_fileid = (long)up.u_ino;
+	kf->va_mode = udf_permtomode(&up); /* XXX */
+	kf->va_rdev = 0;
+	if (vp->v_type & VDIR) {
+		/*
+		 * Directories that are recorded within their ICB will show
+		 * as having 0 blocks recorded.  Since tradition dictates
+		 * that directories consume at least one logical block,
+		 * make it appear so.
+		 */
+		if (fentry.logblks_rec != 0) {
+			kf->va_size =
+			    letoh64(fentry.logblks_rec) * um.um_bsize;
+		} else {
+			kf->va_size = um.um_bsize;
+		}
+	} else {
+		kf->va_size = letoh64(fentry.inf_len);
+	}
+
+	return (0);
+}