Install ntfs includes and add libkvm (fstat) support. ntfs bits

adapted from NetBSD fstat.  OK deraadt@

1 files changed, 88 insertions, 0 deletions

diff --git a/lib/libkvm/kvm_ntfs.c b/lib/libkvm/kvm_ntfs.c
new file mode 100644
index 00000000000..fd36f33a8c6
--- /dev/null
+++ b/lib/libkvm/kvm_ntfs.c
@@ -0,0 +1,88 @@
+/*	$OpenBSD: kvm_ntfs.c,v 1.1 2009/06/24 13:04:24 millert Exp $	*/
+
+/*-
+ * Copyright (c) 1999 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jaromir Dolecek.
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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_ntfs.c,v 1.1 2009/06/24 13:04:24 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 <ntfs/ntfs.h>
+#include <ntfs/ntfs_inode.h>
+
+#include <limits.h>
+#include <kvm.h>
+#include <db.h>
+
+#include "kvm_private.h"
+
+extern mode_t _kvm_getftype(enum vtype);
+
+int
+_kvm_stat_ntfs(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
+{
+	struct ntnode ntnode;
+	struct fnode fn;
+	struct ntfsmount ntm;
+
+	/*
+	 * To get the ntnode, we have to go in two steps - firstly
+	 * to read appropriate struct fnode and then getting the address
+	 * of ntnode and reading it's contents
+	 */
+	if (KREAD(kd, (u_long)VTOF(vp), &fn)) {
+		_kvm_err(kd, kd->program, "can't read fnode at %p", VTOF(vp));
+		return (-1);
+	}
+	if (KREAD(kd, (u_long)FTONT(&fn), &ntnode)) {
+		_kvm_err(kd, kd->program, "can't read ntnode at %p", FTONT(&fn));
+		return (-1);
+	}
+	if (KREAD(kd, (u_long)ntnode.i_mp, &ntm)) {
+		_kvm_err(kd, kd->program, "can't read ntfsmount at %p",
+			ntnode.i_mp);
+		return (-1);
+	}
+
+	kf->va_fsid = ntnode.i_dev & 0xffff;
+	kf->va_fileid = (long)ntnode.i_number;
+	kf->va_mode = (mode_t)ntm.ntm_mode | _kvm_getftype(vp->v_type);
+	kf->va_size = fn.f_size;
+	kf->va_rdev = 0;  /* XXX */
+
+	return (0);
+}