Import of old SSLeay release: SSLeay 0.8.1b

util/mkdef.pl

diff --git a/util/mkdef.pl b/util/mkdef.pl
new file mode 100755
index 0000000..fa68333
--- /dev/null
+++ b/util/mkdef.pl
@@ -0,0 +1,260 @@
+#!/usr/local/bin/perl
+#
+# generate a .def file
+#
+# It does this by parsing the header files and looking for the
+# non-prototyped functions.
+#
+
+$crypto_num="util/libeay.num";
+$ssl_num=   "util/ssleay.num";
+
+$NT=1;
+foreach (@ARGV)
+	{
+	$NT=1 if $_ eq "32";
+	$NT=0 if $_ eq "16";
+	$do_ssl=1 if $_ eq "ssleay";
+	$do_crypto=1 if $_ eq "libeay";
+	}
+
+if (!$do_ssl && !$do_crypto)
+	{
+	print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 ]\n";
+	exit(1);
+	}
+
+%ssl_list=&load_numbers($ssl_num);
+%crypto_list=&load_numbers($crypto_num);
+
+$ssl="ssl/ssl.h";
+
+$crypto ="crypto/crypto.h";
+$crypto.=" crypto/des/des.h";
+$crypto.=" crypto/idea/idea.h";
+$crypto.=" crypto/rc4/rc4.h";
+$crypto.=" crypto/rc2/rc2.h";
+$crypto.=" crypto/bf/blowfish.h";
+$crypto.=" crypto/md/md2.h";
+$crypto.=" crypto/md/md5.h";
+$crypto.=" crypto/mdc2/mdc2.h";
+$crypto.=" crypto/sha/sha.h";
+
+$crypto.=" crypto/bn/bn.h";
+$crypto.=" crypto/rsa/rsa.h";
+$crypto.=" crypto/dsa/dsa.h";
+$crypto.=" crypto/dh/dh.h";
+
+$crypto.=" crypto/stack/stack.h";
+$crypto.=" crypto/buffer/buffer.h";
+$crypto.=" crypto/bio/bio.h";
+$crypto.=" crypto/lhash/lhash.h";
+$crypto.=" crypto/conf/conf.h";
+$crypto.=" crypto/txt_db/txt_db.h";
+
+$crypto.=" crypto/evp/evp.h";
+$crypto.=" crypto/objects/objects.h";
+$crypto.=" crypto/pem/pem.h";
+#$crypto.=" crypto/meth/meth.h";
+$crypto.=" crypto/asn1/asn1.h";
+$crypto.=" crypto/asn1/asn1_mac.h";
+$crypto.=" crypto/err/err.h";
+$crypto.=" crypto/pkcs7/pkcs7.h";
+$crypto.=" crypto/x509/x509.h";
+$crypto.=" crypto/x509/x509_vfy.h";
+$crypto.=" crypto/rand/rand.h";
+
+$match{'NOPROTO'}=1;
+$match2{'PERL5'}=1;
+
+&print_def_file(*STDOUT,"SSLEAY",*ssl_list,&do_defs("SSLEAY",$ssl))
+	if $do_ssl == 1;
+
+&print_def_file(*STDOUT,"LIBEAY",*crypto_list,&do_defs("LIBEAY",$crypto))
+	if $do_crypto == 1;
+
+sub do_defs
+	{
+	local($name,$files)=@_;
+	local(@ret);
+
+	$off=-1;
+	foreach $file (split(/\s+/,$files))
+		{
+#		print STDERR "reading $file\n";
+		open(IN,"<$file") || die "unable to open $file:$!\n";
+		$depth=0;
+		$pr=-1;
+		@np="";
+		$/=undef;
+		$a=<IN>;
+		while (($i=index($a,"/*")) >= 0)
+			{
+			$j=index($a,"*/");
+			break unless ($j >= 0);
+			$a=substr($a,0,$i).substr($a,$j+2);
+		#	print "$i $j\n";
+			}
+		foreach (split("\n",$a))
+			{
+			if (/^\#ifndef (.*)/)
+				{
+				push(@tag,$1);
+				$tag{$1}=-1;
+				next;
+				}
+			elsif (/^\#if !defined\(([^\)]+)\)/)
+				{
+				push(@tag,$1);
+				$tag{$1}=-1;
+				next;
+				}
+			elsif (/^\#ifdef (.*)/)
+				{
+				push(@tag,$1);
+				$tag{$1}=1;
+				next;
+				}
+			elsif (/^\#if (.*)/)
+				{
+				push(@tag,$1);
+				$tag{$1}=1;
+				next;
+				}
+			elsif (/^\#endif/)
+				{
+				$tag{$tag[$#tag]}=0;
+				pop(@tag);
+				next;
+				}
+			elsif (/^\#else/)
+				{
+				$t=$tag[$#tag];
+				$tag{$t}= -$tag{$t};
+				next;
+				}
+			$t=undef;
+			if (/^extern .*;$/)
+				{ $t=&do_extern($name,$_); }
+			elsif (	($tag{'NOPROTO'} == 1) &&
+				($tag{'FreeBSD'} != 1) &&
+				(($NT && ($tag{'WIN16'} != 1)) ||
+				 (!$NT && ($tag{'WIN16'} != -1))) &&
+				($tag{'PERL5'} != 1))
+				{ $t=&do_line($name,$_); }
+			if (($t ne undef) && (!$done{$name,$t}))
+				{
+				$done{$name,$t}++;
+				push(@ret,$t);
+				}
+			}
+		close(IN);
+		}
+	return(@ret);
+	}
+
+sub do_line
+	{
+	local($file,$_)=@_;
+	local($n);
+
+	return(undef) if /^$/;
+	return(undef) if /^\s/;
+	if (/(CRYPTO_get_locking_callback)/)
+		{ return($1); }
+	elsif (/(CRYPTO_get_id_callback)/)
+		{ return($1); }
+	elsif (/(CRYPTO_get_add_lock_callback)/)
+		{ return($1); }
+	elsif (/(SSL_CTX_get_verify_callback)/)
+		{ return($1); }
+	else
+		{
+		/\s\**(\S+)\s*\(/;
+		return($1);
+		}
+	}
+
+sub do_extern
+	{
+	local($file,$_)=@_;
+	local($n);
+
+	/\s\**(\S+);$/;
+	return($1);
+	}
+
+sub print_def_file
+	{
+	local(*OUT,$name,*nums,@functions)=@_;
+	local($n)=1;
+
+	if ($NT)
+		{ $name.="32"; }
+	else
+		{ $name.="16"; }
+
+	print OUT <<"EOF";
+;
+; Definition file for the DDL version of the $name library from SSLeay
+;
+
+LIBRARY         $name
+
+DESCRIPTION     'SSLeay $name - eay\@cryptsoft.com'
+
+EOF
+
+	if (!$NT)
+		{
+		print <<"EOF";
+CODE            PRELOAD MOVEABLE
+DATA            PRELOAD MOVEABLE SINGLE
+
+EXETYPE		WINDOWS
+
+HEAPSIZE	4096
+STACKSIZE	8192
+
+EOF
+		}
+
+	print "EXPORTS\n";
+
+
+	(@e)=grep(/^SSLeay/,@functions);
+	(@r)=grep(!/^SSLeay/,@functions);
+	@functions=((sort @e),(sort @r));
+
+	foreach $func (@functions)
+		{
+		if (!defined($nums{$func}))
+			{
+			printf STDERR "$func does not have a number assigned\n";
+			}
+		else
+			{
+			$n=$nums{$func};
+			printf OUT "    %s%-35s@%d\n",($NT)?"":"_",$func,$n;
+			}
+		}
+	printf OUT "\n";
+	}
+
+sub load_numbers
+	{
+	local($name)=@_;
+	local($j,@a,%ret);
+
+	open(IN,"<$name") || die "unable to open $name:$!\n";
+	while (<IN>)
+		{
+		chop;
+		s/#.*$//;
+		next if /^\s*$/;
+		@a=split;
+		$ret{$a[0]}=$a[1];
+		}
+	close(IN);
+	return(%ret);
+	}