The current command 'vol-upload' is not checking if the volume accepts
a file bigger than its capacity. It can cause an interrupt of the
upload stream. This commit adds a check that fails before starting to
send new file to volume if the file is bigger.
Resolves:
https://bugzilla.redhat.com/show_bug.cgi?id=1529059
Signed-off-by: Julio Faracco <jcfaracco(a)gmail.com>
---
tools/virsh-volume.c | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/tools/virsh-volume.c b/tools/virsh-volume.c
index 8265a39..04e480c 100644
--- a/tools/virsh-volume.c
+++ b/tools/virsh-volume.c
@@ -672,6 +672,7 @@ cmdVolUpload(vshControl *ctl, const vshCmd *cmd)
{
const char *file = NULL;
virStorageVolPtr vol = NULL;
+ virStorageVolInfo volumeInfo;
bool ret = false;
int fd = -1;
virStreamPtr st = NULL;
@@ -679,6 +680,7 @@ cmdVolUpload(vshControl *ctl, const vshCmd *cmd)
unsigned long long offset = 0, length = 0;
virshControlPtr priv = ctl->privData;
unsigned int flags = 0;
+ off_t fileLen = -1;
virshStreamCallbackData cbData;
if (vshCommandOptULongLong(ctl, cmd, "offset", &offset) < 0)
@@ -701,6 +703,29 @@ cmdVolUpload(vshControl *ctl, const vshCmd *cmd)
cbData.ctl = ctl;
cbData.fd = fd;
+ if (virStorageVolGetInfo(vol, &volumeInfo) < 0)
+ goto cleanup;
+
+ if ((fileLen = virFileLength(file, fd)) < 0) {
+ vshError(ctl, _("cannot get the file %s length"), file);
+ goto cleanup;
+ }
+
+ if (length < fileLen) {
+ vshError(ctl, _("length parameter is smaller than file size"));
+ goto cleanup;
+ }
+
+ if (volumeInfo.capacity < length) {
+ vshError(ctl, _("lenth parameter is bigger than volume %s capacity"),
name);
+ goto cleanup;
+ }
+
+ if (volumeInfo.capacity < fileLen + offset) {
+ vshError(ctl, _("file is bigger than volume %s capacity"), name);
+ goto cleanup;
+ }
+
if (vshCommandOptBool(cmd, "sparse"))
flags |= VIR_STORAGE_VOL_UPLOAD_SPARSE_STREAM;
--
2.7.4