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Posted to modperl@perl.apache.org by Laurent MARTIN <la...@gide.net> on 2009/10/15 16:12:54 UTC
GnuPG module producing empty files
Hi!
I've recently upgraded one of my old website to mod_perl
(ModPerl::PerlRun) and I'm not able to make GnuPG (0.10) work
properly :/ As soon as I try to encrypt a plaintext file, I get an
empty encrypted file. See below what I get in error log with the
'trace' option set to true:
protocol error: expected SHM_GET_XXX got \n at /usr/lib/perl5/
site_perl/5.8.5/GnuPG.pm line 154
Any clue? Thanks in advance :)
--
Laurent MARTIN
Re: GnuPG module producing empty files
Posted by Michael Schout <ms...@gkg.net>.
Laurent MARTIN wrote:
> Has anyone on the list some experience with mod_perl and an alternative
> to GnuPG module (which is "simply" a wrapper around pgp binary).
I use GnuPG::Interface, and it works fine.
Regards,
Michael Schout
Re: GnuPG module producing empty files
Posted by Laurent MARTIN <la...@gide.net>.
Hi Cees,
Thank you for your help on this. Unfortunately, this doesn't fix my
problem.
Has anyone on the list some experience with mod_perl and an
alternative to GnuPG module (which is "simply" a wrapper around pgp
binary). Crypt::GPG? Crypt::OpenPGP?
TIA.
Laurent.
On 19 oct. 2009, at 08:26, Cees Hek wrote:
> On Fri, Oct 16, 2009 at 1:12 AM, Laurent MARTIN <la...@gide.net>
> wrote:
> Hi!
>
> I've recently upgraded one of my old website to mod_perl
> (ModPerl::PerlRun) and I'm not able to make GnuPG (0.10) work
> properly :/ As soon as I try to encrypt a plaintext file, I get an
> empty encrypted file. See below what I get in error log with the
> 'trace' option set to true:
> protocol error: expected SHM_GET_XXX got \n at /usr/lib/perl5/
> site_perl/5.8.5/GnuPG.pm line 154
>
> Any clue? Thanks in advance :)
>
> This might be because the GnuPG module executes the 'gpg' binary
> directly to run it's commands and it plays with STDIN, STDOUT and
> STDERR to do that.
>
> I had a similar issue using GnuPG::Interface under mod_perl, but was
> able to solve it by untieing and saving STDIN and STDOUT when making
> calls to GnuPG::Interface (the example below calls Mail::GPG which
> in turn uses GnuPG::Interface to do the grunt work):
>
> use constant MP => ( exists $ENV{MOD_PERL} );
> use constant MP2 => ( exists $ENV{MOD_PERL_API_VERSION} and $ENV
> {MOD_PERL_API_VERSION} >= 2 );
>
> # mod_perl ties STDIN and STDOUT which conflicts with
> GnuPG::Interface
> my ( $stdin, $stdout );
> if ( MP and not MP2 ) {
> $stdin = tied *STDIN;
> $stdout = tied *STDOUT;
> untie *STDIN;
> untie *STDOUT;
> }
> my $mg = Mail::GPG->new( gnupg_hash_init => \%GNUPG_OPTIONS );
> my $key_id = eval { $mg->query_keyring( search => $name ); };
> if ( MP and not MP2 ) {
> tie *STDIN, ref $stdin, $stdin;
> tie *STDOUT, ref $stdout, $stdout;
> }
> die "query_keyring failed: $@" if $@;
>
>
> Note though that I only noticed the issues with mod_perl1 and not
> with mod_perl2 so it may be something different that you are
> seeing. Here's hoping it gives you some hints on where to look
> next...
>
> Cheers,
>
> Cees
Re: GnuPG module producing empty files
Posted by Cees Hek <ce...@gmail.com>.
On Fri, Oct 16, 2009 at 1:12 AM, Laurent MARTIN <la...@gide.net> wrote:
> Hi!
> I've recently upgraded one of my old website to mod_perl (ModPerl::PerlRun)
> and I'm not able to make GnuPG (0.10) work properly :/ As soon as I try to
> encrypt a plaintext file, I get an empty encrypted file. See below what I
> get in error log with the 'trace' option set to true:
> protocol error: expected SHM_GET_XXX got \n at
> /usr/lib/perl5/site_perl/5.8.5/GnuPG.pm line 154
>
> Any clue? Thanks in advance :)
>
This might be because the GnuPG module executes the 'gpg' binary directly to
run it's commands and it plays with STDIN, STDOUT and STDERR to do that.
I had a similar issue using GnuPG::Interface under mod_perl, but was able to
solve it by untieing and saving STDIN and STDOUT when making calls to
GnuPG::Interface (the example below calls Mail::GPG which in turn uses
GnuPG::Interface to do the grunt work):
use constant MP => ( exists $ENV{MOD_PERL} );
use constant MP2 => ( exists $ENV{MOD_PERL_API_VERSION} and
$ENV{MOD_PERL_API_VERSION} >= 2 );
# mod_perl ties STDIN and STDOUT which conflicts with GnuPG::Interface
my ( $stdin, $stdout );
if ( MP and not MP2 ) {
$stdin = tied *STDIN;
$stdout = tied *STDOUT;
untie *STDIN;
untie *STDOUT;
}
my $mg = Mail::GPG->new( gnupg_hash_init => \%GNUPG_OPTIONS );
my $key_id = eval { $mg->query_keyring( search => $name ); };
if ( MP and not MP2 ) {
tie *STDIN, ref $stdin, $stdin;
tie *STDOUT, ref $stdout, $stdout;
}
die "query_keyring failed: $@" if $@;
Note though that I only noticed the issues with mod_perl1 and not with
mod_perl2 so it may be something different that you are seeing. Here's
hoping it gives you some hints on where to look next...
Cheers,
Cees
Re: GnuPG module producing empty files
Posted by NWB <ni...@ntlworld.com>.
I had this problem recently and found it was due to mod_perl running as user
"apache" which does not have a home directory in the same way that the
script running under cgi-bin did. Use of homedir in the
$gnupg->options->hash_init line sorted this out though. I guess an
environment variable GNUPGHOME may be a better way to go when I've finished
with this.
Laurent MARTIN wrote:
>
> Hi!
>
> I've recently upgraded one of my old website to mod_perl
> (ModPerl::PerlRun) and I'm not able to make GnuPG (0.10) work
> properly :/ As soon as I try to encrypt a plaintext file, I get an
> empty encrypted file. See below what I get in error log with the
> 'trace' option set to true:
> protocol error: expected SHM_GET_XXX got \n at /usr/lib/perl5/
> site_perl/5.8.5/GnuPG.pm line 154
>
> Any clue? Thanks in advance :)
>
> --
> Laurent MARTIN
>
--
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