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[Qemu-devel] [V11 09/15] virtio-9p: Rename in chroot environment
From: |
M. Mohan Kumar |
Subject: |
[Qemu-devel] [V11 09/15] virtio-9p: Rename in chroot environment |
Date: |
Fri, 24 Jun 2011 13:52:18 +0530 |
From: "M. Mohan Kumar" <address@hidden>
Support renaming a file or directory in chroot envirnoment. Add
interfaces for renaming in chroot worker and qemu side.
Signed-off-by: M. Mohan Kumar <address@hidden>
---
hw/9pfs/virtio-9p-chroot-worker.c | 17 +++++++++++++++++
hw/9pfs/virtio-9p-chroot.h | 1 +
hw/9pfs/virtio-9p-local.c | 3 +++
3 files changed, 21 insertions(+), 0 deletions(-)
diff --git a/hw/9pfs/virtio-9p-chroot-worker.c
b/hw/9pfs/virtio-9p-chroot-worker.c
index f269c7b..9bb94f2 100644
--- a/hw/9pfs/virtio-9p-chroot-worker.c
+++ b/hw/9pfs/virtio-9p-chroot-worker.c
@@ -184,6 +184,20 @@ static int chroot_do_remove(V9fsFileObjectRequest *request)
return 0;
}
+/*
+ * Rename a file object
+ */
+static int chroot_do_rename(V9fsFileObjectRequest *request)
+{
+ int retval;
+
+ retval = rename(request->path.old_path, request->path.path);
+ if (retval < 0) {
+ return -errno;
+ }
+ return 0;
+}
+
static void chroot_daemonize(int chroot_sock)
{
sigset_t sigset;
@@ -290,6 +304,9 @@ int v9fs_chroot(FsContext *fs_ctx)
case T_REMOVE:
retval = chroot_do_remove(&request);
break;
+ case T_RENAME:
+ retval = chroot_do_rename(&request);
+ break;
default:
retval = -1;
break;
diff --git a/hw/9pfs/virtio-9p-chroot.h b/hw/9pfs/virtio-9p-chroot.h
index 9d69739..fda60af 100644
--- a/hw/9pfs/virtio-9p-chroot.h
+++ b/hw/9pfs/virtio-9p-chroot.h
@@ -10,6 +10,7 @@
#define T_SYMLINK 5
#define T_LINK 6
#define T_REMOVE 7
+#define T_RENAME 8
#define V9FS_FD_VALID INT_MAX
diff --git a/hw/9pfs/virtio-9p-local.c b/hw/9pfs/virtio-9p-local.c
index f2d66e1..864a464 100644
--- a/hw/9pfs/virtio-9p-local.c
+++ b/hw/9pfs/virtio-9p-local.c
@@ -582,6 +582,9 @@ static int local_rename(FsContext *ctx, const char *oldpath,
{
char buffer[PATH_MAX], buffer1[PATH_MAX];
+ if (ctx->fs_sm == SM_PASSTHROUGH) {
+ return passthrough_request(ctx, oldpath, newpath, 0, NULL, T_RENAME);
+ }
return rename(rpath(ctx, oldpath, buffer), rpath(ctx, newpath, buffer1));
}
--
1.7.5.4
- [Qemu-devel] [V11 08/15] virtio-9p: Removing file or directory in chroot environment, (continued)
- [Qemu-devel] [V11 08/15] virtio-9p: Removing file or directory in chroot environment, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 07/15] virtio-9p: Creating special files in chroot environment, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 13/15] virtio-9p: stat in chroot environment, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 03/15] virtio-9p: Provide chroot worker side interfaces, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 02/15] virtio-9p: Enable CONFIG_THREAD if CONFIG_VIRTFS is enabled, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 15/15] virtio-9p: Chroot environment for other functions, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 10/15] virtio-9p: Move file post creation changes to none security model, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 06/15] virtio-9p: Create support in chroot environment, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 14/15] virtio-9p: readlink in chroot environment, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 05/15] virtio-9p: Support for opening a file in chroot environment, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 09/15] virtio-9p: Rename in chroot environment,
M. Mohan Kumar <=
- [Qemu-devel] [V11 01/15] Implement qemu_read_full, M. Mohan Kumar, 2011/06/24
- [Qemu-devel] [V11 04/15] virtio-9p: qemu interfaces for chroot environment, M. Mohan Kumar, 2011/06/24
- Re: [Qemu-devel] [V11 00/15] virtio-9p: Use chroot to safely access files in passthrough security model, Blue Swirl, 2011/06/26