1#!/usr/local/bin/perl 2 3use strict; 4 5my %xref_tbl; 6my %oid_tbl; 7 8my ($mac_file, $xref_file) = @ARGV; 9 10open(IN, $mac_file) || die "Can't open $mac_file"; 11 12# Read in OID nid values for a lookup table. 13 14while (<IN>) 15 { 16 chomp; 17 my ($name, $num) = /^(\S+)\s+(\S+)$/; 18 $oid_tbl{$name} = $num; 19 } 20close IN; 21 22open(IN, $xref_file) || die "Can't open $xref_file"; 23 24my $ln = 1; 25 26while (<IN>) 27 { 28 chomp; 29 s/#.*$//; 30 next if (/^\S*$/); 31 my ($xr, $p1, $p2) = /^(\S+)\s+(\S+)\s+(\S+)/; 32 check_oid($xr); 33 check_oid($p1); 34 check_oid($p2); 35 $xref_tbl{$xr} = [$p1, $p2, $ln]; 36 } 37 38my @xrkeys = keys %xref_tbl; 39 40my @srt1 = sort { $oid_tbl{$a} <=> $oid_tbl{$b}} @xrkeys; 41 42my $i; 43for($i = 0; $i <= $#srt1; $i++) 44 { 45 $xref_tbl{$srt1[$i]}[2] = $i; 46 } 47 48my @srt2 = sort 49 { 50 my$ap1 = $oid_tbl{$xref_tbl{$a}[0]}; 51 my$bp1 = $oid_tbl{$xref_tbl{$b}[0]}; 52 return $ap1 - $bp1 if ($ap1 != $bp1); 53 my$ap2 = $oid_tbl{$xref_tbl{$a}[1]}; 54 my$bp2 = $oid_tbl{$xref_tbl{$b}[1]}; 55 56 return $ap2 - $bp2; 57 } @xrkeys; 58 59my $pname = $0; 60 61$pname =~ s|^.[^/]/||; 62 63print <<EOF; 64/* AUTOGENERATED BY $pname, DO NOT EDIT */ 65 66typedef struct { 67 int sign_id; 68 int hash_id; 69 int pkey_id; 70} nid_triple; 71 72static const nid_triple sigoid_srt[] = { 73EOF 74 75foreach (@srt1) 76 { 77 my $xr = $_; 78 my ($p1, $p2) = @{$xref_tbl{$_}}; 79 my $o1 = " {NID_$xr, NID_$p1,"; 80 my $o2 = "NID_$p2},"; 81 if (length("$o1 $o2") < 78) 82 { 83 print "$o1 $o2\n"; 84 } 85 else 86 { 87 print "$o1\n $o2\n"; 88 } 89 } 90 91print "};"; 92print <<EOF; 93 94 95static const nid_triple *const sigoid_srt_xref[] = { 96EOF 97 98foreach (@srt2) 99 { 100 my ($p1, $p2, $x) = @{$xref_tbl{$_}}; 101 # If digest or signature algorithm is "undef" then the algorithm 102 # needs special handling and is excluded from the cross reference table. 103 next if $p1 eq "undef" || $p2 eq "undef"; 104 print " \&sigoid_srt\[$x\],\n"; 105 } 106 107print "};\n"; 108 109sub check_oid 110 { 111 my ($chk) = @_; 112 if (!exists $oid_tbl{$chk}) 113 { 114 die "Not Found \"$chk\"\n"; 115 } 116 } 117