This adds a remove handler which actually allows us to unlink files in the
guest.
Reported-by: Darren Hart <dvhart@xxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <levinsasha928@xxxxxxxxx>
---
tools/kvm/virtio/9p.c | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/tools/kvm/virtio/9p.c b/tools/kvm/virtio/9p.c
index 1569bb2..08b1be7 100644
--- a/tools/kvm/virtio/9p.c
+++ b/tools/kvm/virtio/9p.c
@@ -677,6 +677,30 @@ err_out:
return;
}
+static void virtio_p9_remove(struct p9_dev *p9dev,
+ struct p9_pdu *pdu, u32 *outlen)
+{
+ int ret;
+ u32 fid_val;
+ struct p9_fid *fid;
+ char full_path[PATH_MAX];
+
+ virtio_p9_pdu_readf(pdu, "d", &fid_val);
+ fid = &p9dev->fids[fid_val];
+
+ sprintf(full_path, "%s", fid->abs_path);
+ ret = remove(full_path);
+ if (ret < 0)
+ goto err_out;
+ *outlen = pdu->write_offset;
+ virtio_p9_set_reply_header(pdu, *outlen);
+ return;
+
+err_out:
+ virtio_p9_error_reply(p9dev, pdu, errno, outlen);
+ return;
+}
+
static void virtio_p9_readlink(struct p9_dev *p9dev,
struct p9_pdu *pdu, u32 *outlen)
{
@@ -1048,6 +1072,7 @@ static p9_handler *virtio_9p_dotl_handler [] = {
[P9_TSYMLINK] = virtio_p9_symlink,
[P9_TLCREATE] = virtio_p9_create,
[P9_TWRITE] = virtio_p9_write,
+ [P9_TREMOVE] = virtio_p9_remove,
};
static struct p9_pdu *virtio_p9_pdu_init(struct kvm *kvm, struct virt_queue *vq)
--
1.7.7.2
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