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- #!/usr/local/perl
-
- # written by jason steiner, jsteiner@anwsun.phya.utoledo.edu, Jan 1993
- #
- # if you use or make improvements to this program i would appreciate
- # copies of your modifications & your PGP public key.
-
- $|=1;
- $topgp=0;
- $logname = $ENV{'LOGNAME'};
- $pager='/usr/ucb/more';
- $pager = $ENV{'PAGER'} if ($ENV{'PAGER'});
- open (PAGER, "|$pager") || die "cannot open pipe to $pager\n";
- while (<STDIN>) {
- if (!$topgp) {print PAGER;}
- if (!$topgp && m/^-----BEGIN PGP .*-----/) {
- $topgp = 1;
- close PAGER;
- $tmpfile = "/tmp/.pgp.$$.$logname";
- unlink($tmpfile);
- open (TMPFILE, ">$tmpfile") || die "cannot open $tmpfile for output\n";
- }
- if ($topgp) {
- print TMPFILE $_;
- if (m/^-----END PGP .*-----/) {
- $topgp = 0;
- close TMPFILE;
- $clrfile = "/tmp/.clr.$$.$logname";
- `pgp $tmpfile -o $clrfile`;
- open (PAGER, "|$pager") || die "cannot open pipe to $pager\n";
- open (CLEAR, "<$clrfile");
- print PAGER "-----BEGIN PGP TEXT-----\n";
- while (<CLEAR>) { print PAGER; }
- close CLEAR;
- unlink($clrfile);
- unlink($tmpfile);
- print PAGER "-----END PGP TEXT-----\n";
- }
- }
- }
- close PAGER;
-