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pspdf.pl: GhostScript font integration seems broken with -dSAFER

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-dSAFER seems to break font integration on some systems.  Furthermore,
once given -dSAFER seems to not be possible to override, so instead of
calling via the ps2pdf script, call GhostScript explicitly with the
equivalent options, sans -dSAFER.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2018-09-24 18:02:22 -07:00
parent 10c0f66570
commit ab2c4dfff9
1 changed files with 25 additions and 5 deletions
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30
doc/pspdf.pl
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@ -23,6 +23,9 @@ while ($ARGV[0] =~ /^-(.*)$/) {
}
}
# Ghostscript executable name. "gs" on Unix-based systems.
my $gs = 'gs';
my ($in, $out) = @ARGV;
if (!defined($out)) {
@ -70,6 +73,17 @@ sub win32_gs_help() {
$ENV{'PATH'} .= ';' . $gs[0]->{'/GS_LIB'};
$ENV{'GS_FONTPATH'} .= (defined($ENV{'GS_FONTPATH'}) ? ';' : '')
. $ENV{'windir'}.'\\fonts';
my $gsp = undef;
foreach my $p (split(/\;/, $gs[0]->{'/GS_LIB'})) {
foreach my $exe ('gswin64c.exe', 'gswin32c.exe', 'gs.exe') {
last if (defined($gsp));
my $e = File::Spec->catpath($p, $exe);
$gsp = $e if (-f $e && -x _);
}
}
$gs = $gsp if (defined($gsp));
}
# Remove output file
@ -80,13 +94,19 @@ my $r = system('acrodist', '-n', '-q', '--nosecurity', '-o', $out, $in);
exit 0 if ( !$r && -f $out );
# 2. ps2pdf (from Ghostscript)
# The -I clause helps Ghostscript pick up the Fontdir file written by findfont.ph
# GhostScript uses # rather than - to separate options and values on Windows, it seems...
#
# GhostScript uses # rather than = to separate options and values on Windows,
# it seems. Call gs directly rather than ps2pdf, because -dSAFER
# breaks font discovery on some systems, apparently.
win32_gs_help();
my $o = $win32_ok ? '#' : '-';
my $r = system('ps2pdf', "-dOptimize${o}true", "-dEmbedAllFonts${o}true",
my $o = $win32_ok ? '#' : '=';
my $r = system($gs, "-dCompatibilityLevel${o}1.4", "-q",
"-P-", "-dNOPAUSE", "-dBATCH", "-sDEVICE${o}pdfwrite",
"-sstdout${o}%stderr", "-sOutputFile${o}${out}",
"-dOptimize${o}true", "-dEmbedAllFonts${o}true",
"-dCompressPages${o}" . ($compress ? 'true' : 'false'),
"-dUseFlateCompression${o}true", $in, $out);
"-dUseFlateCompression${o}true",
"-c", ".setpdfwrite", "-f", $in);
exit 0 if ( !$r && -f $out );
# 3. pstopdf (BSD/MacOS X utility)