Hi,
Can you try netcat-openbsd in Wheezy? It contains quite some fixes and
there is something related to CRLF handling.
On Thu, Apr 11, 2013 at 9:37 PM, Jorgen Grahn
<grahn+deb...@snipabacken.se> wrote:
> Package: netcat-openbsd
> Version: 1.89-4
> Severity: normal
>
>
> I was using this shell script to stress-test a TCP server I'm working on:
>
>> #!/bin/bash
>>
>> action() {
>> local delay=$1; shift
>> local n=$1; shift
>>
>> while [ $((n--)) -gt 0 ] ; do
>> echo foobar
>> sleep $delay
>> done
>> }
>>
>> action $1 $2 | nc -C some-host some-port | wc
>
> The server takes CRLF-separated commands/requests, and I was puzzled when
> I found that it reported receiving fewer commands than I sent.
>
> After debugging the server for a while with no luck, I finally saw that
> the TCP stream from netcat contained some "foobar\nfoobar\r\n" patterns, e.g.
> immediately after connection.
>
> Whatever method the -C option uses to ensure translation of CR to CRLF, it's
> not foolproof. Maybe only slow manual input was considered.
>
> My workaround was to stop using -C, and to add CRLF explicitly using
> echo -ne foobar\r\n instead.
>
> BR,
> Jorgen
>
> -- System Information:
> Debian Release: 6.0.7
> APT prefers stable
> APT policy: (500, 'stable')
> Architecture: powerpc (ppc)
>
> Kernel: Linux 3.4.10
> Locale: LANG=sv_SE, LC_CTYPE=sv_SE (charmap=ISO-8859-1)
> Shell: /bin/sh linked to /bin/dash
>
> Versions of packages netcat-openbsd depends on:
> ii libc6 2.11.3-4 Embedded GNU C Library: Shared
> lib
> ii libglib2.0-0 2.24.2-1 The GLib library of C routines
>
> netcat-openbsd recommends no packages.
>
> netcat-openbsd suggests no packages.
>
> -- no debconf information
--
Regards,
Aron Xu
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