Comment # 19
on bug 8382
from Evan Huus
(In reply to comment #18)
> Created attachment 10149 [details]
> Remove format_text
>
> Why is the format_text even necessary? Can we just provide the string
> returned from tvb_get_ephemeral_unicode_string() directly? We already know
> the value is going to be bogus/garbage because length > packet length.
> expert_info may be overkill.
I believe the format_text is necessary in the case that the string contains
null-terminators so that they get escaped properly instead of the string
getting truncated.
Yes, my initial fix breaks that as well.
> I think a "better" solution would be to support "unicode" through
> proto_tree_add_item so some of these extra steps aren't necessary, but you'd
> still have this issue with server_version.
Yes. I think my complaint about tvb_get_string_unicode still stands though: the
calling function has no way to determine the size of the buffer it gets back.
The buffer may contain embedded null-terminators so strlen is unreliable, and
1/2 the requested length is only valid assuming there are no multi-byte
characters.
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