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[Qemu-devel] [PATCH V12 08/15] hw/9pfs: Removing file or directory in ch
From: |
M. Mohan Kumar |
Subject: |
[Qemu-devel] [PATCH V12 08/15] hw/9pfs: Removing file or directory in chroot environment |
Date: |
Mon, 5 Sep 2011 21:48:29 +0530 |
Support for removing file or directory in chroot environment. Add
interfaces to remove file/directory in chroot worker and qemu side.
Signed-off-by: M. Mohan Kumar <address@hidden>
---
hw/9pfs/virtio-9p-chroot-worker.c | 18 ++++++++++++++++++
hw/9pfs/virtio-9p-chroot.h | 1 +
hw/9pfs/virtio-9p-local.c | 4 ++++
3 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/hw/9pfs/virtio-9p-chroot-worker.c
b/hw/9pfs/virtio-9p-chroot-worker.c
index 10f290d..f269c7b 100644
--- a/hw/9pfs/virtio-9p-chroot-worker.c
+++ b/hw/9pfs/virtio-9p-chroot-worker.c
@@ -169,6 +169,21 @@ unset_uid:
return retval;
}
+/*
+ * Remove a file object
+ * Returns 0 on success and -errno on failure
+ */
+static int chroot_do_remove(V9fsFileObjectRequest *request)
+{
+ int retval;
+
+ retval = remove(request->path.path);
+ if (retval < 0) {
+ return -errno;
+ }
+ return 0;
+}
+
static void chroot_daemonize(int chroot_sock)
{
sigset_t sigset;
@@ -272,6 +287,9 @@ int v9fs_chroot(FsContext *fs_ctx)
case T_MKNOD:
retval = chroot_do_create_special(&request);
break;
+ case T_REMOVE:
+ retval = chroot_do_remove(&request);
+ break;
default:
retval = -1;
break;
diff --git a/hw/9pfs/virtio-9p-chroot.h b/hw/9pfs/virtio-9p-chroot.h
index 9075361..9d69739 100644
--- a/hw/9pfs/virtio-9p-chroot.h
+++ b/hw/9pfs/virtio-9p-chroot.h
@@ -9,6 +9,7 @@
#define T_MKNOD 4
#define T_SYMLINK 5
#define T_LINK 6
+#define T_REMOVE 7
#define V9FS_FD_VALID INT_MAX
diff --git a/hw/9pfs/virtio-9p-local.c b/hw/9pfs/virtio-9p-local.c
index 86eb81a..9d5354a 100644
--- a/hw/9pfs/virtio-9p-local.c
+++ b/hw/9pfs/virtio-9p-local.c
@@ -637,6 +637,10 @@ static int local_utimensat(FsContext *s, V9fsPath *fs_path,
static int local_remove(FsContext *ctx, const char *path)
{
char buffer[PATH_MAX];
+
+ if (ctx->fs_sm == SM_PASSTHROUGH) {
+ return passthrough_request(ctx, NULL, path, 0, NULL, T_REMOVE);
+ }
return remove(rpath(ctx, path, buffer));
}
--
1.7.6
- [Qemu-devel] [PATCH V12 00/15] virtio-9p: chroot environment for passthrough security model, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 12/15] hw/9pfs: chown in chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 08/15] hw/9pfs: Removing file or directory in chroot environment,
M. Mohan Kumar <=
- [Qemu-devel] [PATCH V12 10/15] hw/9pfs: Move file post creation changes to none security model, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 14/15] hw/9pfs: readlink in chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 09/15] hw/9pfs: Rename in chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 15/15] hw/9pfs: Chroot environment for other functions, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 07/15] hw/9pfs: Creating special files in chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 13/15] hw/9pfs: stat in chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 11/15] hw/9pfs: chmod in chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 04/15] hw/9pfs: qemu interfaces for chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 05/15] hw/9pfs: Support for opening a file in chroot environment, M. Mohan Kumar, 2011/09/05
- [Qemu-devel] [PATCH V12 02/15] hw/9pfs: Enable CONFIG_THREAD if CONFIG_VIRTFS is enabled, M. Mohan Kumar, 2011/09/05