[Ovmsdev] Size limit on scp
casner at acm.org
Mon Mar 26 23:57:03 HKT 2018
On Mon, 26 Mar 2018, Mark Webb-Johnson wrote:
> I can't imagine sending anything much bigger than flash images to the SD card. Those are around 4MB maximum. Perhaps CAN bus dumps? But those would more likely be downloaded, not uploaded.
> How about setting it to 10MB for the moment?
> Regards, Mark
> > On 25 Mar 2018, at 11:56 PM, Stephen Casner <casner at acm.org> wrote:
> > Mark,
> > Yes, that limit can definitely be made larger. It is just part of the
> > code validating the command received from the scp client. I modeled
> > that validation code after the scp code in openssh where the size
> > validation was checking for the value to fit in off_t, but my mindset
> > at the time was that only small files like scripts and configs would
> > be transferred. I wasn't sure about an appropriate off_t definition
> > in esp-idf.
> > What size limit do you think would be appropriate?
> > -- Steve
> > On Sun, 25 Mar 2018, Mark Webb-Johnson wrote:
> >> @Steve
> >> Is there any particular reason for this:
> >> $ scp build/ovms3.bin mark at ev914.local:/sd/ovms3.new
> >> scp: size unacceptable: 1841760
> >> Can we increase to allow firmware copies to SD?
> >> Regards, Mark.
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