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-rw-r--r--lib/libprocstat/udf.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/lib/libprocstat/udf.c b/lib/libprocstat/udf.c
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+++ b/lib/libprocstat/udf.c
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+/*-
+ * Copyright (c) 2005-2009 Stanislav Sedov <stas@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.
+ */
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <sys/vnode.h>
+#include <sys/buf.h>
+#define _KERNEL
+#include <sys/mount.h>
+#undef _KERNEL
+
+#include <netinet/in.h>
+
+#include <assert.h>
+#include <err.h>
+#include <kvm.h>
+#include <stdlib.h>
+
+#include <fs/udf/ecma167-udf.h>
+
+#include "libprocstat.h"
+#include "common_kvm.h"
+
+/* XXX */
+struct udf_mnt {
+ int im_flags;
+ struct mount *im_mountp;
+ struct g_consumer *im_cp;
+ struct bufobj *im_bo;
+ struct cdev *im_dev;
+ struct vnode *im_devvp;
+ int bsize;
+ int bshift;
+ int bmask;
+ uint32_t part_start;
+ uint32_t part_len;
+ uint64_t root_id;
+ struct long_ad root_icb;
+ int p_sectors;
+ int s_table_entries;
+ void *s_table;
+ void *im_d2l;
+};
+struct udf_node {
+ struct vnode *i_vnode;
+ struct udf_mnt *udfmp;
+ ino_t hash_id;
+ long diroff;
+ struct file_entry *fentry;
+};
+#define VTON(vp) ((struct udf_node *)((vp)->v_data))
+
+int
+udf_filestat(kvm_t *kd, struct vnode *vp, struct vnstat *vn)
+{
+ struct udf_node node;
+ struct udf_mnt mnt;
+ int error;
+
+ assert(kd);
+ assert(vn);
+ error = kvm_read_all(kd, (unsigned long)VTON(vp), &node, sizeof(node));
+ if (error != 0) {
+ warnx("can't read udf fnode at %p", (void *)VTON(vp));
+ return (1);
+ }
+ error = kvm_read_all(kd, (unsigned long)node.udfmp, &mnt, sizeof(mnt));
+ if (error != 0) {
+ warnx("can't read udf_mnt at %p for vnode %p",
+ (void *)node.udfmp, vp);
+ return (1);
+ }
+ vn->vn_fileid = node.hash_id;
+ vn->vn_fsid = dev2udev(kd, mnt.im_dev);
+ return (0);
+}
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