[LON-CAPA-cvs] cvs: loncom /interface printout.pl

[raeburn]

raeburn		Thu Jul 11 15:24:01 2024 EDT

  Modified files:              
    /loncom/interface	printout.pl 
  Log:
  - Bug 5899 "printing a pdf file in a course via the printing option"
    Support GhostScript 9.50 and newer (in which SAFER mode is enabled by
    default).
  
  
Index: loncom/interface/printout.pl
diff -u loncom/interface/printout.pl:1.171 loncom/interface/printout.pl:1.172
--- loncom/interface/printout.pl:1.171	Thu Jul 11 12:44:40 2024
+++ loncom/interface/printout.pl	Thu Jul 11 15:24:01 2024
@@ -1,7 +1,7 @@
 #!/usr/bin/perl
 # CGI-script to run LaTeX, dvips, ps2ps, ps2pdf etc.
 #
-# $Id: printout.pl,v 1.171 2024/07/11 12:44:40 raeburn Exp $
+# $Id: printout.pl,v 1.172 2024/07/11 15:24:01 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -544,7 +544,19 @@
 		      last if ($device ne '');
 		  }
 		  if ($device ne '') {
-		      $comma = "gs -sDEVICE=$device -dLanguageLevel=1.5 --permit-file-read=* ";
+		      my ($major,$minor);
+		      if (open(PIPE,"gs -v |grep 'GPL Ghostscript' 2>&1 |")) {
+		          my $info = <PIPE>;
+		          close(PIPE);
+		          chomp($info);
+		          if ($info =~ /Ghostscript\s+(\d+)\.(\d+)/) {
+		              ($major,$minor) = ($1,$2);
+		          }
+		      }
+		      $comma = "gs -sDEVICE=$device -dLanguageLevel=1.5 ";
+		      if (($major > 9) || (($major == 9) && ($minor >= 50))) {
+		          $comma .= '--permit-file-read=* ';
+		      }
 		      &busy_wait_command("$comma -o $tempo_file $new_name_file 2>/dev/null 1>/dev/null",
 				         "for $status_statement now validating PS",
 				         \%prog_state, $tempo_file);