1 files changed, 107 insertions, 0 deletions

diff --git a/src/lib/libcrypto/objects/objxref.pl b/src/lib/libcrypto/objects/objxref.pl
new file mode 100644
index 0000000000..731d3ae22c
--- /dev/null
+++ b/src/lib/libcrypto/objects/objxref.pl
@@ -0,0 +1,107 @@
+#!/usr/local/bin/perl
+
+use strict;
+
+my %xref_tbl;
+my %oid_tbl;
+
+my ($mac_file, $xref_file) = @ARGV;
+
+open(IN, $mac_file) || die "Can't open $mac_file";
+
+# Read in OID nid values for a lookup table.
+
+while (<IN>)
+        {
+        chomp;
+        my ($name, $num) = /^(\S+)\s+(\S+)$/;
+        $oid_tbl{$name} = $num;
+        }
+close IN;
+
+open(IN, $xref_file) || die "Can't open $xref_file";
+
+my $ln = 1;
+
+while (<IN>)
+        {
+        chomp;
+        s/#.*$//;
+        next if (/^\S*$/);
+        my ($xr, $p1, $p2) = /^(\S+)\s+(\S+)\s+(\S+)/;
+        check_oid($xr);
+        check_oid($p1);
+        check_oid($p2);
+        $xref_tbl{$xr} = [$p1, $p2, $ln];
+        }
+
+my @xrkeys = keys %xref_tbl;
+
+my @srt1 = sort { $oid_tbl{$a} <=> $oid_tbl{$b}} @xrkeys;
+
+for(my $i = 0; $i <= $#srt1; $i++)
+        {
+        $xref_tbl{$srt1[$i]}[2] = $i;
+        }
+
+my @srt2 = sort
+        {
+        my$ap1 = $oid_tbl{$xref_tbl{$a}[0]};
+        my$bp1 = $oid_tbl{$xref_tbl{$b}[0]};
+        return $ap1 - $bp1 if ($ap1 != $bp1);
+        my$ap2 = $oid_tbl{$xref_tbl{$a}[1]};
+        my$bp2 = $oid_tbl{$xref_tbl{$b}[1]};
+
+        return $ap2 - $bp2;
+        } @xrkeys;
+
+my $pname = $0;
+
+$pname =~ s|^.[^/]/||;
+
+print <<EOF;
+/* AUTOGENERATED BY $pname, DO NOT EDIT */
+
+typedef struct
+        {
+        int sign_id;
+        int hash_id;
+        int pkey_id;
+        } nid_triple;
+
+static const nid_triple sigoid_srt[] =
+        {
+EOF
+
+foreach (@srt1)
+        {
+        my $xr = $_;
+        my ($p1, $p2) = @{$xref_tbl{$_}};
+        print "\t{NID_$xr, NID_$p1, NID_$p2},\n";
+        }
+
+print "\t};";
+print <<EOF;
+
+
+static const nid_triple * const sigoid_srt_xref[] =
+        {
+EOF
+
+foreach (@srt2)
+        {
+        my $x = $xref_tbl{$_}[2];
+        print "\t\&sigoid_srt\[$x\],\n";
+        }
+
+print "\t};\n\n";
+
+sub check_oid
+        {
+        my ($chk) = @_;
+        if (!exists $oid_tbl{$chk})
+                {
+                die "Not Found \"$chk\"\n";
+                }
+        }
+