diff options
Diffstat (limited to 'src/crypto/obj/obj_xref.pl')
-rw-r--r-- | src/crypto/obj/obj_xref.pl | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/src/crypto/obj/obj_xref.pl b/src/crypto/obj/obj_xref.pl new file mode 100644 index 0000000..51dd68f --- /dev/null +++ b/src/crypto/obj/obj_xref.pl @@ -0,0 +1,118 @@ +#!/usr/bin/env perl + +use strict; + +if (scalar @ARGV != 2) + { + print "Usage: perl obj_xref.pl obj_mac.num obj_xref.txt > obj_xref.h\n"; + exit 1; + } + +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; +/* THIS FILE IS GENERATED FROM obj_xref.txt by obj_xref.pl via the + * following command: + * perl obj_xref.pl obj_mac.num obj_xref.txt > obj_xref.h */ + +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 ($p1, $p2, $x) = @{$xref_tbl{$_}}; + # If digest or signature algorithm is "undef" then the algorithm + # needs special handling and is excluded from the cross reference table. + next if $p1 eq "undef" || $p2 eq "undef"; + 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"; + } + } + |