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authorTodd C. Miller <millert@cvs.openbsd.org>2009-06-20 19:50:06 +0000
committerTodd C. Miller <millert@cvs.openbsd.org>2009-06-20 19:50:06 +0000
commit4402975a348938d8cad34341962b18854da39d93 (patch)
tree6e28c93ca566c8d3414efdb1b380fb43722021db /lib/libkvm
parentde7b3f1a5b22f9468caf434ec9772ba368c620c0 (diff)
Split out cd9660 bits into their own .c file to avoid #define collisions
with ufs and add also udf support. OK miod@
Diffstat (limited to 'lib/libkvm')
-rw-r--r--lib/libkvm/Makefile5
-rw-r--r--lib/libkvm/kvm_cd9660.c60
-rw-r--r--lib/libkvm/kvm_file2.c31
-rw-r--r--lib/libkvm/kvm_private.h4
-rw-r--r--lib/libkvm/kvm_udf.c121
5 files changed, 193 insertions, 28 deletions
diff --git a/lib/libkvm/Makefile b/lib/libkvm/Makefile
index 1871a9461b6..5a5c60ada1c 100644
--- a/lib/libkvm/Makefile
+++ b/lib/libkvm/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.9 2009/06/07 03:09:34 millert Exp $
+# $OpenBSD: Makefile,v 1.10 2009/06/20 19:50:05 millert Exp $
# $NetBSD: Makefile,v 1.11 1996/03/18 22:33:07 thorpej Exp $
# from: @(#)Makefile 8.1 (Berkeley) 6/4/93
@@ -15,7 +15,8 @@ CFLAGS+=-D${MACHINE}
SRCS= kvm_${MACHINE_ARCH}.c
.endif
-SRCS+= kvm.c kvm_file.c kvm_file2.c kvm_getloadavg.c kvm_proc.c
+SRCS+= kvm.c kvm_file.c kvm_file2.c kvm_getloadavg.c kvm_proc.c \
+ kvm_cd9660.c kvm_udf.c
MAN= kvm.3 kvm_dump.3 kvm_geterr.3 kvm_getfiles.3 kvm_getloadavg.3 \
kvm_getprocs.3 kvm_nlist.3 kvm_open.3 kvm_read.3
diff --git a/lib/libkvm/kvm_cd9660.c b/lib/libkvm/kvm_cd9660.c
new file mode 100644
index 00000000000..e61079e67d7
--- /dev/null
+++ b/lib/libkvm/kvm_cd9660.c
@@ -0,0 +1,60 @@
+/* $OpenBSD: kvm_cd9660.c,v 1.1 2009/06/20 19:50:05 millert Exp $ */
+
+/*
+ * Copyright (c) 2009 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#if defined(LIBC_SCCS) && !defined(lint)
+static char *rcsid = "$OpenBSD: kvm_cd9660.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/cd9660/iso.h>
+#include <isofs/cd9660/cd9660_extern.h>
+#include <isofs/cd9660/cd9660_node.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))
+
+int
+_kvm_stat_cd9660(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
+{
+ struct iso_node inode;
+
+ if (KREAD(kd, (u_long)VTOI(vp), &inode)) {
+ _kvm_err(kd, kd->program, "can't read inode at %p", VTOI(vp));
+ return (-1);
+ }
+ kf->va_fsid = inode.i_dev & 0xffff;
+ kf->va_fileid = (long)inode.i_number;
+ kf->va_mode = inode.inode.iso_mode;
+ kf->va_size = inode.i_size;
+ kf->va_rdev = inode.i_dev;
+
+ return (0);
+}
diff --git a/lib/libkvm/kvm_file2.c b/lib/libkvm/kvm_file2.c
index 10e508921cf..00fd9e115d1 100644
--- a/lib/libkvm/kvm_file2.c
+++ b/lib/libkvm/kvm_file2.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: kvm_file2.c,v 1.6 2009/06/20 13:10:21 millert Exp $ */
+/* $OpenBSD: kvm_file2.c,v 1.7 2009/06/20 19:50:05 millert Exp $ */
/*
* Copyright (c) 2009 Todd C. Miller <Todd.Miller@courtesan.com>
@@ -46,7 +46,7 @@
*/
#if defined(LIBC_SCCS) && !defined(lint)
-static char *rcsid = "$OpenBSD: kvm_file2.c,v 1.6 2009/06/20 13:10:21 millert Exp $";
+static char *rcsid = "$OpenBSD: kvm_file2.c,v 1.7 2009/06/20 19:50:05 millert Exp $";
#endif /* LIBC_SCCS and not lint */
/*
@@ -80,10 +80,6 @@ static char *rcsid = "$OpenBSD: kvm_file2.c,v 1.6 2009/06/20 13:10:21 millert Ex
#include <sys/stat.h>
#include <sys/sysctl.h>
-#include <isofs/cd9660/iso.h>
-#include <isofs/cd9660/cd9660_extern.h>
-#include <isofs/cd9660/cd9660_node.h>
-
#define _KERNEL
#include <ufs/ufs/quota.h>
#include <ufs/ufs/inode.h>
@@ -811,24 +807,6 @@ spec_filestat(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
}
static int
-isofs_filestat(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
-{
- struct iso_node inode;
-
- if (KREAD(kd, (u_long)VTOI(vp), &inode)) {
- _kvm_err(kd, kd->program, "can't read inode at %p", VTOI(vp));
- return (-1);
- }
- kf->va_fsid = inode.i_dev & 0xffff;
- kf->va_fileid = (long)inode.i_number;
- kf->va_mode = inode.inode.iso_mode;
- kf->va_size = inode.i_size;
- kf->va_rdev = inode.i_dev;
-
- return (0);
-}
-
-static int
filestat(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
{
int ret = 0;
@@ -846,7 +824,7 @@ filestat(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
ret = ext2fs_filestat(kd, kf, vp);
break;
case VT_ISOFS:
- ret = isofs_filestat(kd, kf, vp);
+ ret = _kvm_stat_cd9660(kd, kf, vp);
break;
case VT_MSDOSFS:
ret = msdos_filestat(kd, kf, vp);
@@ -854,6 +832,9 @@ filestat(kvm_t *kd, struct kinfo_file2 *kf, struct vnode *vp)
case VT_NNPFS:
ret = nnpfs_filestat(kd, kf, vp);
break;
+ case VT_UDF:
+ ret = _kvm_stat_udf(kd, kf, vp);
+ break;
case VT_NON:
if (vp->v_flag & VCLONE)
ret = spec_filestat(kd, kf, vp);
diff --git a/lib/libkvm/kvm_private.h b/lib/libkvm/kvm_private.h
index 6783f3b4ad9..d0b11ff0513 100644
--- a/lib/libkvm/kvm_private.h
+++ b/lib/libkvm/kvm_private.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: kvm_private.h,v 1.12 2009/06/07 03:09:34 millert Exp $ */
+/* $OpenBSD: kvm_private.h,v 1.13 2009/06/20 19:50:05 millert Exp $ */
/* $NetBSD: kvm_private.h,v 1.7 1996/05/05 04:32:15 gwr Exp $ */
/*-
@@ -101,3 +101,5 @@ void *_kvm_realloc(kvm_t *kd, void *, size_t);
void _kvm_syserr(kvm_t *kd, const char *program, const char *fmt, ...);
ssize_t _kvm_pread(kvm_t *, int, void *, size_t, off_t);
ssize_t _kvm_pwrite(kvm_t *, int, const void *, size_t, off_t);
+int _kvm_stat_cd9660(kvm_t *, struct kinfo_file2 *, struct vnode *);
+int _kvm_stat_udf(kvm_t *, struct kinfo_file2 *, struct vnode *);
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);
+}