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 42for(my $i = 0; $i <= $#srt1; $i++) 43 { 44 $xref_tbl{$srt1[$i]}[2] = $i; 45 } 46 47my @srt2 = sort 48 { 49 my$ap1 = $oid_tbl{$xref_tbl{$a}[0]}; 50 my$bp1 = $oid_tbl{$xref_tbl{$b}[0]}; 51 return $ap1 - $bp1 if ($ap1 != $bp1); 52 my$ap2 = $oid_tbl{$xref_tbl{$a}[1]}; 53 my$bp2 = $oid_tbl{$xref_tbl{$b}[1]}; 54 55 return $ap2 - $bp2; 56 } @xrkeys; 57 58my $pname = $0; 59 60$pname =~ s|^.[^/]/||; 61 62print <<EOF; 63/* AUTOGENERATED BY $pname, DO NOT EDIT */ 64 65typedef struct { 66 int sign_id; 67 int hash_id; 68 int pkey_id; 69} nid_triple; 70 71static const nid_triple sigoid_srt[] = { 72EOF 73 74foreach (@srt1) 75 { 76 my $xr = $_; 77 my ($p1, $p2) = @{$xref_tbl{$_}}; 78 my $o1 = " {NID_$xr, NID_$p1,"; 79 my $o2 = "NID_$p2},"; 80 if (length("$o1 $o2") < 78) 81 { 82 print "$o1 $o2\n"; 83 } 84 else 85 { 86 print "$o1\n $o2\n"; 87 } 88 } 89 90print "};"; 91print <<EOF; 92 93 94static const nid_triple *const sigoid_srt_xref[] = { 95EOF 96 97foreach (@srt2) 98 { 99 my ($p1, $p2, $x) = @{$xref_tbl{$_}}; 100 # If digest or signature algorithm is "undef" then the algorithm 101 # needs special handling and is excluded from the cross reference table. 102 next if $p1 eq "undef" || $p2 eq "undef"; 103 print " \&sigoid_srt\[$x\],\n"; 104 } 105 106print "};\n"; 107 108sub check_oid 109 { 110 my ($chk) = @_; 111 if (!exists $oid_tbl{$chk}) 112 { 113 die "Not Found \"$chk\"\n"; 114 } 115 } 116