Hey, thax for your bug report. Actually it is a little while and the initial issue is still not been fixed :-(
Your patch will not work, as $LIB cannot tell what binary arch will be called
and do not know anything from multiarch. At least I read the documentation
like this.
But let's focus on the first step is to get torsocks multi-arch ready, so it
can be installed as multi-arch: same.
That one is quite easy:
* the lib is already installed at the correct place *check*
* all other files are arch independent *check*
* the only file we need to care about is /usr/bin/torsocks.
I use here the easy solution to move the binary to /usr/bin/$
{MULTI_ARCH_TRIPPLET}-torsocks
Okay now it is possible to install torsocks:amd64 and torsocks:i386 parallel.
@helmut:
But as a enduser I just want to use /usr/bin/torsocks, so I need a wrapper
script. I would use the "easy" solution ans just use the main architecture
(dpkg --print-architecture), but how to get the multi-arch-name for the main
architecture?
Or are you aware of any other solution to make use the correct torsocks script
/LD_PRELOAD?
Regards,
hefee
On Sun, 1 Jul 2018 00:42:51 +0300 "Yuriy M. Kaminskiy"
<yumkam+deb...@gmail.com> wrote:
> Package: torsocks
> Version: 2.2.0-1+deb9u1
> Severity: important
> Tags: patch
>
> Dear Maintainer,
>
> On multi-arch systems, torsocks fails catastrophically with
> other-arch binaries.
>
> E.g. with torsocks:i386 and wget:amd64,
>
> torsocks wget https://check.torproject.org
>
> just spits
>
> ERROR: ld.so: object '/usr/lib/i386-linux-gnu/torsocks/libtorsocks.so'
> from LD_PRELOAD cannot be preloaded (wrong ELF class: ELFCLASS32):
> ignored.
>
> and happily continue connecting bypassing tor.
>
> * What outcome did you expect instead?
>
> It should be possible to co-install torsocks:i386 and torsocks:amd64,
> and then it should work with both :amd64 and :i386 binaries.
> (I'd like to point out to glibc ld.so feature to replace '$LIB' in
> LD_PRELOAD and LD_LIBRARY_PATH with path to multi-arched /lib/ directory).
> Some (very rough) patch attached (warning: only checked on linux; I have
> no idea if this will work on hurd or kfreebsd).
>
> -- System Information:
> Debian Release: 9.4
> APT prefers stable-updates
> APT policy: (500, 'stable-updates'), (500, 'stable-debug'), (500,
> 'proposed-updates-debug'), (500, 'proposed-updates'), (500, 'stable')
> Architecture: i386 (x86_64)
> Foreign Architectures: amd64
>
> Kernel: Linux 4.9.0-6-amd64 (SMP w/2 CPU cores)
> Locale: LANG=ru_RU.KOI8-R, LC_CTYPE=ru_RU.KOI8-R (charmap=KOI8-R),
> LANGUAGE=ru_RU.KOI8-R (charmap=KOI8-R)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
>
> Versions of packages torsocks depends on:
> ii libc6 2.24-11+deb9u3
>
> Versions of packages torsocks recommends:
> ii tor 0.3.3.7-1~bpo9+1
>
> torsocks suggests no packages.
>
> -- no debconf information
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