On Thu, Sep 19, 2013 at 11:26:08PM +0900, Yuto KAWAMURA(kawamuray) wrote:
> diff --git a/tools/wireshark/src/moduleinfo.h b/tools/wireshark/src/moduleinfo.h
> new file mode 100644
> index 0000000..9ab642c
> --- /dev/null
> +++ b/tools/wireshark/src/moduleinfo.h
> @@ -0,0 +1,37 @@
> +/* moduleinfo.h --- Define constants about wireshark plugin module
...
> +
> +/* Included *after* config.h, in order to re-define these macros */
> +
> +#ifdef PACKAGE
> +# undef PACKAGE
> +#endif
> +
> +/* Name of package */
> +#define PACKAGE "libvirt"
Huh ? "PACKAGE" will already be defined to 'libvirt' so why are
you redefining it.
> +
> +
> +#ifdef VERSION
> +# undef VERSION
> +#endif
> +
> +/* Version number of package */
> +#define VERSION "0.0.1"
This means the wireshark plugin will have a fixed version, even
when libvirt protocol changes in new releases. This seems bogus.
Again I think we should just use the existing defined "VERSION".
I think this whole file can just go away completely
> diff --git a/tools/wireshark/src/packet-libvirt.c b/tools/wireshark/src/packet-libvirt.c
> new file mode 100644
> index 0000000..cd3e6ce
> --- /dev/null
> +++ b/tools/wireshark/src/packet-libvirt.c
> +static gboolean
> +dissect_xdr_bytes(tvbuff_t *tvb, proto_tree *tree, XDR *xdrs, int hf,
> + guint32 maxlen)
> +{
> + goffset start;
> + guint8 *val = NULL;
> + guint32 length;
> +
> + start = xdr_getpos(xdrs);
> + if (xdr_bytes(xdrs, (char **)&val, &length, maxlen)) {
> + proto_tree_add_bytes_format_value(tree, hf, tvb, start, xdr_getpos(xdrs) - start,
> + NULL, "%s", format_xdr_bytes(val, length));
> + /* Seems I can't call xdr_free() for this case.
> + It will raises SEGV by referencing out of bounds argument stack */
> + xdrs->x_op = XDR_FREE;
> + xdr_bytes(xdrs, (char **)&val, &length, maxlen);
> + xdrs->x_op = XDR_DECODE;
Is accessing the internals of the 'XDR' struct really portable ? I think
it would be desirable to solve the xdr_free problem rather than accessing
struct internals
Regards,
Daniel
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