427 lines
9.7 KiB
Perl
Executable File
427 lines
9.7 KiB
Perl
Executable File
#!/usr/local/bin/perl -w
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#
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# generate a .def file
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#
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# It does this by parsing the header files and looking for the
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# prototyped functions: it then prunes the output.
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#
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$crypto_num="util/libeay.num";
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$ssl_num= "util/ssleay.num";
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my $do_update = 0;
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my $do_crypto = 0;
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my $do_ssl = 0;
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$rsaref = 0;
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$W32=1;
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$NT=0;
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# Set this to make typesafe STACK definitions appear in DEF
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$safe_stack_def = 1;
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$options="";
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open(IN,"<Makefile.ssl") || die "unable to open Makefile.ssl!\n";
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while(<IN>) {
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$options=$1 if (/^OPTIONS=(.*)$/);
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}
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close(IN);
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foreach (@ARGV, split(/ /, $options))
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{
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$W32=1 if $_ eq "32";
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$W32=0 if $_ eq "16";
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if($_ eq "NT") {
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$W32 = 1;
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$NT = 1;
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}
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$do_ssl=1 if $_ eq "ssleay";
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$do_ssl=1 if $_ eq "ssl";
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$do_crypto=1 if $_ eq "libeay";
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$do_crypto=1 if $_ eq "crypto";
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$do_update=1 if $_ eq "update";
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$rsaref=1 if $_ eq "rsaref";
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if (/^no-rc2$/) { $no_rc2=1; }
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elsif (/^no-rc4$/) { $no_rc4=1; }
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elsif (/^no-rc5$/) { $no_rc5=1; }
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elsif (/^no-idea$/) { $no_idea=1; }
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elsif (/^no-des$/) { $no_des=1; }
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elsif (/^no-bf$/) { $no_bf=1; }
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elsif (/^no-cast$/) { $no_cast=1; }
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elsif (/^no-md2$/) { $no_md2=1; }
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elsif (/^no-md5$/) { $no_md5=1; }
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elsif (/^no-sha$/) { $no_sha=1; }
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elsif (/^no-ripemd$/) { $no_ripemd=1; }
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elsif (/^no-mdc2$/) { $no_mdc2=1; }
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elsif (/^no-rsa$/) { $no_rsa=1; }
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elsif (/^no-dsa$/) { $no_dsa=1; }
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elsif (/^no-dh$/) { $no_dh=1; }
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elsif (/^no-hmac$/) { $no_hmac=1; }
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}
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if (!$do_ssl && !$do_crypto)
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{
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print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT ] [rsaref]\n";
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exit(1);
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}
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%ssl_list=&load_numbers($ssl_num);
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$max_ssl = $max_num;
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%crypto_list=&load_numbers($crypto_num);
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$max_crypto = $max_num;
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$ssl="ssl/ssl.h";
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$crypto ="crypto/crypto.h";
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$crypto.=" crypto/des/des.h" unless $no_des;
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$crypto.=" crypto/idea/idea.h" unless $no_idea;
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$crypto.=" crypto/rc4/rc4.h" unless $no_rc4;
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$crypto.=" crypto/rc5/rc5.h" unless $no_rc5;
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$crypto.=" crypto/rc2/rc2.h" unless $no_rc2;
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$crypto.=" crypto/bf/blowfish.h" unless $no_bf;
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$crypto.=" crypto/cast/cast.h" unless $no_cast;
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$crypto.=" crypto/md2/md2.h" unless $no_md2;
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$crypto.=" crypto/md5/md5.h" unless $no_md5;
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$crypto.=" crypto/mdc2/mdc2.h" unless $no_mdc2;
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$crypto.=" crypto/sha/sha.h" unless $no_sha;
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$crypto.=" crypto/ripemd/ripemd.h" unless $no_ripemd;
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$crypto.=" crypto/bn/bn.h";
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$crypto.=" crypto/rsa/rsa.h" unless $no_rsa;
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$crypto.=" crypto/dsa/dsa.h" unless $no_dsa;
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$crypto.=" crypto/dh/dh.h" unless $no_dh;
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$crypto.=" crypto/hmac/hmac.h" unless $no_hmac;
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$crypto.=" crypto/stack/stack.h";
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$crypto.=" crypto/buffer/buffer.h";
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$crypto.=" crypto/bio/bio.h";
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$crypto.=" crypto/lhash/lhash.h";
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$crypto.=" crypto/conf/conf.h";
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$crypto.=" crypto/txt_db/txt_db.h";
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$crypto.=" crypto/evp/evp.h";
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$crypto.=" crypto/objects/objects.h";
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$crypto.=" crypto/pem/pem.h";
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#$crypto.=" crypto/meth/meth.h";
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$crypto.=" crypto/asn1/asn1.h";
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$crypto.=" crypto/asn1/asn1_mac.h";
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$crypto.=" crypto/err/err.h";
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$crypto.=" crypto/pkcs7/pkcs7.h";
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$crypto.=" crypto/pkcs12/pkcs12.h";
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$crypto.=" crypto/x509/x509.h";
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$crypto.=" crypto/x509/x509_vfy.h";
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$crypto.=" crypto/x509v3/x509v3.h";
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$crypto.=" crypto/rand/rand.h";
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$crypto.=" crypto/comp/comp.h";
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$crypto.=" crypto/tmdiff.h";
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@ssl_func = &do_defs("SSLEAY", $ssl);
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@crypto_func = &do_defs("LIBEAY", $crypto);
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if ($do_update) {
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if ($do_ssl == 1) {
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open(OUT, ">>$ssl_num");
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&update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func);
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close OUT;
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}
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if($do_crypto == 1) {
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open(OUT, ">>$crypto_num");
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&update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func);
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close OUT;
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}
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} else {
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&print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
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if $do_ssl == 1;
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&print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
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if $do_crypto == 1;
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}
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sub do_defs
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{
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my($name,$files)=@_;
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my @ret;
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my %funcs;
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foreach $file (split(/\s+/,$files))
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{
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open(IN,"<$file") || die "unable to open $file:$!\n";
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my $line = "", $def= "";
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my %tag = (
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FreeBSD => 0,
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NOPROTO => 0,
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WIN16 => 0,
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PERL5 => 0,
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_WINDLL => 0,
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NO_FP_API => 0,
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CONST_STRICT => 0,
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TRUE => 1,
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);
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while(<IN>) {
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last if (/BEGIN ERROR CODES/);
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if ($line ne '') {
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$_ = $line . $_;
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$line = '';
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}
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if (/\\$/) {
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$line = $_;
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next;
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}
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$cpp = 1 if /^#.*ifdef.*cplusplus/;
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if ($cpp) {
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$cpp = 0 if /^#.*endif/;
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next;
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}
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s/\/\*.*?\*\///gs; # ignore comments
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s/{[^{}]*}//gs; # ignore {} blocks
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if (/^\#\s*ifndef (.*)/) {
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push(@tag,$1);
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$tag{$1}=-1;
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next;
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} elsif (/^\#\s*if !defined\(([^\)]+)\)/) {
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push(@tag,$1);
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$tag{$1}=-1;
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next;
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} elsif (/^\#\s*ifdef (.*)/) {
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push(@tag,$1);
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$tag{$1}=1;
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next;
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} elsif (/^\#\s*if defined(.*)/) {
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push(@tag,$1);
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$tag{$1}=1;
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next;
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} elsif (/^\#\s*endif/) {
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$tag{$tag[$#tag]}=0;
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pop(@tag);
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next;
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} elsif (/^\#\s*else/) {
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my $t=$tag[$#tag];
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$tag{$t}= -$tag{$t};
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next;
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} elsif (/^\#\s*if\s+1/) {
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# Dummy tag
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push(@tag,"TRUE");
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$tag{"TRUE"}=1;
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next;
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} elsif (/^\#/) {
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next;
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}
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if ($safe_stack_def &&
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/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
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$funcs{"sk_${1}_new"} = 1;
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$funcs{"sk_${1}_new_null"} = 1;
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$funcs{"sk_${1}_free"} = 1;
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$funcs{"sk_${1}_num"} = 1;
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$funcs{"sk_${1}_value"} = 1;
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$funcs{"sk_${1}_set"} = 1;
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$funcs{"sk_${1}_zero"} = 1;
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$funcs{"sk_${1}_push"} = 1;
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$funcs{"sk_${1}_unshift"} = 1;
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$funcs{"sk_${1}_find"} = 1;
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$funcs{"sk_${1}_delete"} = 1;
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$funcs{"sk_${1}_delete_ptr"} = 1;
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$funcs{"sk_${1}_insert"} = 1;
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$funcs{"sk_${1}_set_cmp_func"} = 1;
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$funcs{"sk_${1}_dup"} = 1;
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$funcs{"sk_${1}_pop_free"} = 1;
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$funcs{"sk_${1}_shift"} = 1;
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$funcs{"sk_${1}_pop"} = 1;
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$funcs{"sk_${1}_sort"} = 1;
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} elsif ($safe_stack_def &&
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/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
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$funcs{"d2i_ASN1_SET_OF_${1}"} = 1;
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$funcs{"i2d_ASN1_SET_OF_${1}"} = 1;
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} elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
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/^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) {
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if($W32) {
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$funcs{"PEM_read_${1}"} = 1;
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$funcs{"PEM_write_${1}"} = 1;
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}
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$funcs{"PEM_read_bio_${1}"} = 1;
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$funcs{"PEM_write_bio_${1}"} = 1;
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} elsif (
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($tag{'FreeBSD'} != 1) &&
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($tag{'CONST_STRICT'} != 1) &&
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(($W32 && ($tag{'WIN16'} != 1)) ||
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(!$W32 && ($tag{'WIN16'} != -1))) &&
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($tag{'PERL5'} != 1) &&
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# ($tag{'_WINDLL'} != -1) &&
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((!$W32 && $tag{'_WINDLL'} != -1) ||
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($W32 && $tag{'_WINDLL'} != 1)) &&
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((($tag{'NO_FP_API'} != 1) && $W32) ||
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(($tag{'NO_FP_API'} != -1) && !$W32)))
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{
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if (/{|\/\*/) { # }
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$line = $_;
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} else {
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$def .= $_;
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}
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}
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}
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close(IN);
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foreach (split /;/, $def) {
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s/^[\n\s]*//g;
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s/[\n\s]*$//g;
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next if(/typedef\W/);
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next if(/EVP_bf/ and $no_bf);
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next if(/EVP_cast/ and $no_cast);
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next if(/EVP_des/ and $no_des);
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next if(/EVP_dss/ and $no_dsa);
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next if(/EVP_idea/ and $no_idea);
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next if(/EVP_md2/ and $no_md2);
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next if(/EVP_md5/ and $no_md5);
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next if(/EVP_rc2/ and $no_rc2);
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next if(/EVP_rc4/ and $no_rc4);
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next if(/EVP_rc5/ and $no_rc5);
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next if(/EVP_ripemd/ and $no_ripemd);
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next if(/EVP_sha/ and $no_sha);
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if (/\(\*(\w*)\([^\)]+/) {
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$funcs{$1} = 1;
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} elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) {
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# K&R C
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next;
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} elsif (/\w+\W+\w+\W*\(.*\)$/s) {
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while (not /\(\)$/s) {
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s/[^\(\)]*\)$/\)/s;
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s/\([^\(\)]*\)\)$/\)/s;
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}
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s/\(void\)//;
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/(\w+)\W*\(\)/s;
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$funcs{$1} = 1;
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} elsif (/\(/ and not (/=/)) {
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print STDERR "File $file: cannot parse: $_;\n";
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}
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}
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}
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# Prune the returned functions
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delete $funcs{"SSL_add_dir_cert_subjects_to_stack"};
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delete $funcs{"des_crypt"};
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delete $funcs{"RSA_PKCS1_RSAref"} unless $rsaref;
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if($W32) {
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delete $funcs{"BIO_s_file_internal"};
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delete $funcs{"BIO_new_file_internal"};
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delete $funcs{"BIO_new_fp_internal"};
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} else {
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if(exists $funcs{"ERR_load_CRYPTO_strings"}) {
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delete $funcs{"ERR_load_CRYPTO_strings"};
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$funcs{"ERR_load_CRYPTOlib_strings"} = 1;
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}
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delete $funcs{"BIO_s_file"};
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delete $funcs{"BIO_new_file"};
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delete $funcs{"BIO_new_fp"};
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}
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if (!$NT) {
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delete $funcs{"BIO_s_log"};
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}
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push @ret, keys %funcs;
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return(@ret);
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}
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sub print_def_file
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{
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(*OUT,my $name,*nums,@functions)=@_;
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my $n =1;
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if ($W32)
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{ $name.="32"; }
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else
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{ $name.="16"; }
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print OUT <<"EOF";
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;
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; Definition file for the DLL version of the $name library from OpenSSL
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;
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LIBRARY $name
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DESCRIPTION 'OpenSSL $name - http://www.openssl.org/'
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EOF
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if (!$W32) {
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print <<"EOF";
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CODE PRELOAD MOVEABLE
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DATA PRELOAD MOVEABLE SINGLE
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EXETYPE WINDOWS
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HEAPSIZE 4096
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STACKSIZE 8192
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EOF
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}
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print "EXPORTS\n";
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(@e)=grep(/^SSLeay/,@functions);
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(@r)=grep(!/^SSLeay/,@functions);
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@functions=((sort @e),(sort @r));
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foreach $func (@functions) {
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if (!defined($nums{$func})) {
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printf STDERR "$func does not have a number assigned\n"
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if(!$do_update);
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} else {
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$n=$nums{$func};
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printf OUT " %s%-40s@%d\n",($W32)?"":"_",$func,$n;
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}
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}
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printf OUT "\n";
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}
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sub load_numbers
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{
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my($name)=@_;
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my(@a,%ret);
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$max_num = 0;
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open(IN,"<$name") || die "unable to open $name:$!\n";
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while (<IN>) {
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chop;
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s/#.*$//;
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next if /^\s*$/;
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@a=split;
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$ret{$a[0]}=$a[1];
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$max_num = $a[1] if $a[1] > $max_num;
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}
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close(IN);
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return(%ret);
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}
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sub update_numbers
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{
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(*OUT,$name,*nums,my $start_num, my @functions)=@_;
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my $new_funcs = 0;
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print STDERR "Updating $name\n";
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foreach $func (@functions) {
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if (!exists $nums{$func}) {
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$new_funcs++;
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printf OUT "%s%-40s%d\n","",$func, ++$start_num;
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}
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}
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if($new_funcs) {
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print STDERR "$new_funcs New Functions added\n";
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} else {
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print STDERR "No New Functions Added\n";
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}
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}
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