cannot open /dev/tty: No such device or address

[Asier Urrutia]

Hi Steve,

	thanks for your reply. This is a perl script (not shell), so 
where/how can I set the "--no-tty"?

On Wed, 29 Oct 2003, Steve Butler wrote:

> There is a similar error message when driving gpg from cron.  Try the
> --no-tty option.
> 
> -----Original Message-----
> From: Asier Urrutia [mailto:asier at alphyra.ie]
> Sent: Wednesday, October 29, 2003 1:00 PM
> To: gnupg-users at gnupg.org
> Subject: gpg:cannot open /dev/tty: No such device or address
> 
> 
> Hi all,
> 
> 	I've built a perl script in order to parse a mailbox, save
> attachments from emails and decrypt them. If I run the perl script from a
> shell...
> 
> bash$ cat mailbox | mbox-parser.pl
> Reading passphrase from file descriptor 11
> 
> You need a passphrase to unlock the secret key for
> user: "GPG user (GPG user's key) <gpg-user at domain.com>"
> 1024-bit ELG-E key, ID D49D1DBC, created 2003-10-28 (main key ID 7724AA8E)
> bash$
> 	
> 	...it works fine. However, I am unable to get rid of the gpg
> passphrase output. I tried to redirect STDOUT to a log file, but doesn't
> make any difference.
> 
> 	The main problem is when I pipe mail to this perl script from
> procmail:
> 
> bash$ cat .procmailrc
> LOGFILE=/home/user/maillog
> :0 HB : user.procmail.lock
> * ^To:.*user at localhost.localdomain
> | /home/user/bin/mbox-parser.pl
> bash$
> 
> 	then, the script doesn't work due to the following error msg:
> 
> gpg: Warning: using insecure memory!
> gpg: cannot open /dev/tty: No such device or address
> 
> 	which looks to me that the gpg passphrase output is being sent to 
> a terminal, but can't be found any and it fails. I'll enclose here the 
> subroutine I'm using on the decryption, just in case somebody wants to 
> know what I'm doing...
> 
> begin-------------------------------------------
> sub decrypting
> {
> 
>   my $attachment  = $_[0];
> 
>   my $gnupg = GnuPG::Interface->new();
> 
>   $gnupg->options->hash_init( armor    => 1,
>                               recipients => [ 'tj-cl-testing at alphyra.ie' ]
>                             );
> 
>   my ( $input, $output, $error, $passphrase_fh, $status_fh )
>     = ( IO::Handle->new(),
>         IO::Handle->new(),
>         IO::Handle->new(),
>         IO::Handle->new(),
>         IO::Handle->new(),
>       );
> 
>   my $handles = GnuPG::Handles->new( stdin      => $input,
>                                      stdout     => $output,
>                                      stderr     => $error,
>                                      passphrase => $passphrase_fh,
>                                      status     => $status_fh,
>                                    );
> 
>   my $cipher_file = IO::File->new( "$attachment" );
>   my $pid = $gnupg->decrypt( handles => $handles );
> 
>   print $passphrase_fh $passphrase;
>   close $passphrase_fh;
>   print $input $_ while <$cipher_file>;
>   close $input;
>   close $cipher_file;
> 
>   my @plaintext    = <$output>;   # reading the output
>   my @error_output = <$error>;    # reading the error
>   my @status_info  = <$status_fh>; # read the status info
> 
>   open(LOGFILE,">>$DECRLOG");
>   my $date = `date`;
>   chomp($date);
>   print LOGFILE "\n$date -- $attachment decryption 
> logging...\n=============================\n";
>   print LOGFILE @error_output;
>   print LOGFILE @status_info;
>   close(LOGFILE);
> 
> open (SAVE,">$ATTACHLOC/$ATTACHMENT.decrypted");
> print SAVE @plaintext;
> close(SAVE);
>   # clean up...
>   close $output;
>   close $error;
>   close $status_fh;
> 
>   waitpid $pid, 0;  # clean up the finished GnuPG process
> 
> }
> end------------------------------------------------------
> 
> 
> 	Anybody came across something like this?
> 
> Thanks a million,
> Asier
> 	
> 
> 
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