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openssl/util/mkdef.pl

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#!/usr/local/bin/perl -w
#
# generate a .def file
#
# It does this by parsing the header files and looking for the
# prototyped functions: it then prunes the output.
#
my $crypto_num="util/libeay.num";
my $ssl_num= "util/ssleay.num";
my $do_update = 0;
my $do_crypto = 0;
my $do_ssl = 0;
my $do_ctest = 0;
my $rsaref = 0;
my $W32=1;
my $NT=0;
# Set this to make typesafe STACK definitions appear in DEF
my $safe_stack_def = 0;
my $options="";
open(IN,"<Makefile.ssl") || die "unable to open Makefile.ssl!\n";
while(<IN>) {
$options=$1 if (/^OPTIONS=(.*)$/);
}
close(IN);
# The following ciphers may be excluded (by Configure). This means functions
# defined with ifndef(NO_XXX) are not included in the .def file, and everything
# in directory xxx is ignored.
my $no_rc2; my $no_rc4; my $no_rc5; my $no_idea; my $no_des; my $no_bf;
my $no_cast; my $no_md2; my $no_md5; my $no_sha; my $no_ripemd; my $no_mdc2;
my $no_rsa; my $no_dsa; my $no_dh; my $no_hmac=0;
foreach (@ARGV, split(/ /, $options))
{
$W32=1 if $_ eq "32";
$W32=0 if $_ eq "16";
if($_ eq "NT") {
$W32 = 1;
$NT = 1;
}
$do_ssl=1 if $_ eq "ssleay";
$do_ssl=1 if $_ eq "ssl";
$do_crypto=1 if $_ eq "libeay";
$do_crypto=1 if $_ eq "crypto";
$do_update=1 if $_ eq "update";
$do_ctest=1 if $_ eq "ctest";
$rsaref=1 if $_ eq "rsaref";
$safe_stack_def=1 if $_ eq "-DDEBUG_SAFESTACK";
if (/^no-rc2$/) { $no_rc2=1; }
elsif (/^no-rc4$/) { $no_rc4=1; }
elsif (/^no-rc5$/) { $no_rc5=1; }
elsif (/^no-idea$/) { $no_idea=1; }
elsif (/^no-des$/) { $no_des=1; }
elsif (/^no-bf$/) { $no_bf=1; }
elsif (/^no-cast$/) { $no_cast=1; }
elsif (/^no-md2$/) { $no_md2=1; }
elsif (/^no-md5$/) { $no_md5=1; }
elsif (/^no-sha$/) { $no_sha=1; }
elsif (/^no-ripemd$/) { $no_ripemd=1; }
elsif (/^no-mdc2$/) { $no_mdc2=1; }
elsif (/^no-rsa$/) { $no_rsa=1; }
elsif (/^no-dsa$/) { $no_dsa=1; }
elsif (/^no-dh$/) { $no_dh=1; }
elsif (/^no-hmac$/) { $no_hmac=1; }
}
if (!$do_ssl && !$do_crypto)
{
print STDERR "usage: $0 ( ssl | crypto ) [ 16 | 32 | NT ] [rsaref]\n";
exit(1);
}
%ssl_list=&load_numbers($ssl_num);
$max_ssl = $max_num;
%crypto_list=&load_numbers($crypto_num);
$max_crypto = $max_num;
my $ssl="ssl/ssl.h";
my $crypto ="crypto/crypto.h";
$crypto.=" crypto/des/des.h" unless $no_des;
$crypto.=" crypto/idea/idea.h" unless $no_idea;
$crypto.=" crypto/rc4/rc4.h" unless $no_rc4;
$crypto.=" crypto/rc5/rc5.h" unless $no_rc5;
$crypto.=" crypto/rc2/rc2.h" unless $no_rc2;
$crypto.=" crypto/bf/blowfish.h" unless $no_bf;
$crypto.=" crypto/cast/cast.h" unless $no_cast;
$crypto.=" crypto/md2/md2.h" unless $no_md2;
$crypto.=" crypto/md5/md5.h" unless $no_md5;
$crypto.=" crypto/mdc2/mdc2.h" unless $no_mdc2;
$crypto.=" crypto/sha/sha.h" unless $no_sha;
$crypto.=" crypto/ripemd/ripemd.h" unless $no_ripemd;
$crypto.=" crypto/bn/bn.h";
$crypto.=" crypto/rsa/rsa.h" unless $no_rsa;
$crypto.=" crypto/dsa/dsa.h" unless $no_dsa;
$crypto.=" crypto/dh/dh.h" unless $no_dh;
$crypto.=" crypto/hmac/hmac.h" unless $no_hmac;
$crypto.=" crypto/stack/stack.h";
$crypto.=" crypto/buffer/buffer.h";
$crypto.=" crypto/bio/bio.h";
$crypto.=" crypto/dso/dso.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/pkcs12/pkcs12.h";
$crypto.=" crypto/x509/x509.h";
$crypto.=" crypto/x509/x509_vfy.h";
$crypto.=" crypto/x509v3/x509v3.h";
$crypto.=" crypto/rand/rand.h";
$crypto.=" crypto/comp/comp.h";
$crypto.=" crypto/tmdiff.h";
my @ssl_func = &do_defs("SSLEAY", $ssl);
my @crypto_func = &do_defs("LIBEAY", $crypto);
if ($do_update) {
if ($do_ssl == 1) {
open(OUT, ">>$ssl_num");
&update_numbers(*OUT,"SSLEAY",*ssl_list,$max_ssl, @ssl_func);
close OUT;
}
if($do_crypto == 1) {
open(OUT, ">>$crypto_num");
&update_numbers(*OUT,"LIBEAY",*crypto_list,$max_crypto, @crypto_func);
close OUT;
}
} elsif ($do_ctest) {
print <<"EOF";
/* Test file to check all DEF file symbols are present by trying
* to link to all of them. This is *not* intended to be run!
*/
int main()
{
EOF
&print_test_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
if $do_ssl == 1;
&print_test_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
if $do_crypto == 1;
print "}\n";
} else {
&print_def_file(*STDOUT,"SSLEAY",*ssl_list,@ssl_func)
if $do_ssl == 1;
&print_def_file(*STDOUT,"LIBEAY",*crypto_list,@crypto_func)
if $do_crypto == 1;
}
sub do_defs
{
my($name,$files)=@_;
my $file;
my @ret;
my %funcs;
my $cpp;
foreach $file (split(/\s+/,$files))
{
open(IN,"<$file") || die "unable to open $file:$!\n";
my $line = "", my $def= "";
my %tag = (
FreeBSD => 0,
NOPROTO => 0,
WIN16 => 0,
PERL5 => 0,
_WINDLL => 0,
NO_FP_API => 0,
CONST_STRICT => 0,
TRUE => 1,
NO_RC2 => 0,
NO_RC4 => 0,
NO_RC5 => 0,
NO_IDEA => 0,
NO_DES => 0,
NO_BF => 0,
NO_CAST => 0,
NO_MD2 => 0,
NO_MD5 => 0,
NO_SHA => 0,
NO_RIPEMD => 0,
NO_MDC2 => 0,
NO_RSA => 0,
NO_DSA => 0,
NO_DH => 0,
NO_HMAC => 0,
);
while(<IN>) {
last if (/BEGIN ERROR CODES/);
if ($line ne '') {
$_ = $line . $_;
$line = '';
}
if (/\\$/) {
$line = $_;
next;
}
$cpp = 1 if /^#.*ifdef.*cplusplus/;
if ($cpp) {
$cpp = 0 if /^#.*endif/;
next;
}
s/\/\*.*?\*\///gs; # ignore comments
s/{[^{}]*}//gs; # ignore {} blocks
if (/^\#\s*ifndef (.*)/) {
push(@tag,$1);
$tag{$1}=-1;
next;
} elsif (/^\#\s*if !defined\(([^\)]+)\)/) {
push(@tag,$1);
$tag{$1}=-1;
next;
} elsif (/^\#\s*ifdef (.*)/) {
push(@tag,$1);
$tag{$1}=1;
next;
} elsif (/^\#\s*if defined(.*)/) {
push(@tag,$1);
$tag{$1}=1;
next;
} elsif (/^\#\s*endif/) {
$tag{$tag[$#tag]}=0;
pop(@tag);
next;
} elsif (/^\#\s*else/) {
my $t=$tag[$#tag];
$tag{$t}= -$tag{$t};
next;
} elsif (/^\#\s*if\s+1/) {
# Dummy tag
push(@tag,"TRUE");
$tag{"TRUE"}=1;
next;
} elsif (/^\#\s*if\s+0/) {
# Dummy tag
push(@tag,"TRUE");
$tag{"TRUE"}=-1;
next;
} elsif (/^\#/) {
next;
}
if ($safe_stack_def &&
/^\s*DECLARE_STACK_OF\s*\(\s*(\w*)\s*\)/) {
$funcs{"sk_${1}_new"} = 1;
$funcs{"sk_${1}_new_null"} = 1;
$funcs{"sk_${1}_free"} = 1;
$funcs{"sk_${1}_num"} = 1;
$funcs{"sk_${1}_value"} = 1;
$funcs{"sk_${1}_set"} = 1;
$funcs{"sk_${1}_zero"} = 1;
$funcs{"sk_${1}_push"} = 1;
$funcs{"sk_${1}_unshift"} = 1;
$funcs{"sk_${1}_find"} = 1;
$funcs{"sk_${1}_delete"} = 1;
$funcs{"sk_${1}_delete_ptr"} = 1;
$funcs{"sk_${1}_insert"} = 1;
$funcs{"sk_${1}_set_cmp_func"} = 1;
$funcs{"sk_${1}_dup"} = 1;
$funcs{"sk_${1}_pop_free"} = 1;
$funcs{"sk_${1}_shift"} = 1;
$funcs{"sk_${1}_pop"} = 1;
$funcs{"sk_${1}_sort"} = 1;
} elsif ($safe_stack_def &&
/^\s*DECLARE_ASN1_SET_OF\s*\(\s*(\w*)\s*\)/) {
$funcs{"d2i_ASN1_SET_OF_${1}"} = 1;
$funcs{"i2d_ASN1_SET_OF_${1}"} = 1;
} elsif (/^DECLARE_PEM_rw\s*\(\s*(\w*)\s*,/ ||
/^DECLARE_PEM_rw_cb\s*\(\s*(\w*)\s*,/ ) {
if (!($no_rsa && ($1 eq "RSAPrivateKey" ||
$1 eq "RSAPublicKey" ||
$1 eq "RSA_PUBKEY"))) {
if($W32) {
$funcs{"PEM_read_${1}"} = 1;
$funcs{"PEM_write_${1}"} = 1;
}
$funcs{"PEM_read_bio_${1}"} = 1;
$funcs{"PEM_write_bio_${1}"} = 1;
}
} elsif (/^DECLARE_PEM_write\s*\(\s*(\w*)\s*,/ ||
/^DECLARE_PEM_write_cb\s*\(\s*(\w*)\s*,/ ) {
if (!($no_rsa && ($1 eq "RSAPrivateKey" ||
$1 eq "RSAPublicKey" ||
$1 eq "RSA_PUBKEY"))) {
if($W32) {
$funcs{"PEM_write_${1}"} = 1;
}
$funcs{"PEM_write_bio_${1}"} = 1;
}
} elsif (/^DECLARE_PEM_read\s*\(\s*(\w*)\s*,/ ||
/^DECLARE_PEM_read_cb\s*\(\s*(\w*)\s*,/ ) {
if($W32) {
$funcs{"PEM_read_${1}"} = 1;
}
$funcs{"PEM_read_bio_${1}"} = 1;
} elsif (
($tag{'TRUE'} != -1) &&
($tag{'FreeBSD'} != 1) &&
($tag{'CONST_STRICT'} != 1) &&
(($W32 && ($tag{'WIN16'} != 1)) ||
(!$W32 && ($tag{'WIN16'} != -1))) &&
($tag{'PERL5'} != 1) &&
# ($tag{'_WINDLL'} != -1) &&
((!$W32 && $tag{'_WINDLL'} != -1) ||
($W32 && $tag{'_WINDLL'} != 1)) &&
((($tag{'NO_FP_API'} != 1) && $W32) ||
(($tag{'NO_FP_API'} != -1) && !$W32)) &&
($tag{'NO_RC2'} == 0 || !$no_rc2) &&
($tag{'NO_RC4'} == 0 || !$no_rc4) &&
($tag{'NO_RC5'} == 0 || !$no_rc5) &&
($tag{'NO_IDEA'} == 0 || !$no_idea) &&
($tag{'NO_DES'} == 0 || !$no_des) &&
($tag{'NO_BF'} == 0 || !$no_bf) &&
($tag{'NO_CAST'} == 0 || !$no_cast) &&
($tag{'NO_MD2'} == 0 || !$no_md2) &&
($tag{'NO_MD5'} == 0 || !$no_md5) &&
($tag{'NO_SHA'} == 0 || !$no_sha) &&
($tag{'NO_RIPEMD'} == 0 || !$no_ripemd) &&
($tag{'NO_MDC2'} == 0 || !$no_mdc2) &&
($tag{'NO_RSA'} == 0 || !$no_rsa) &&
($tag{'NO_DSA'} == 0 || !$no_dsa) &&
($tag{'NO_DH'} == 0 || !$no_dh) &&
($tag{'NO_HMAC'} == 0 || !$no_hmac))
{
if (/{|\/\*/) { # }
$line = $_;
} else {
$def .= $_;
}
}
}
close(IN);
foreach (split /;/, $def) {
s/^[\n\s]*//g;
s/[\n\s]*$//g;
next if(/#define/);
next if(/typedef\W/);
next if(/EVP_bf/ and $no_bf);
next if(/EVP_cast/ and $no_cast);
next if(/EVP_des/ and $no_des);
next if(/EVP_dss/ and $no_dsa);
next if(/EVP_idea/ and $no_idea);
next if(/EVP_md2/ and $no_md2);
next if(/EVP_md5/ and $no_md5);
next if(/EVP_rc2/ and $no_rc2);
next if(/EVP_rc4/ and $no_rc4);
next if(/EVP_rc5/ and $no_rc5);
next if(/EVP_ripemd/ and $no_ripemd);
next if(/EVP_sha/ and $no_sha);
next if(/EVP_(Open|Seal)(Final|Init)/ and $no_rsa);
next if(/PEM_Seal(Final|Init|Update)/ and $no_rsa);
next if(/RSAPrivateKey/ and $no_rsa);
next if(/SSLv23?_((client|server)_)?method/ and $no_rsa);
if (/\(\*(\w*)\([^\)]+/) {
$funcs{$1} = 1;
} elsif (/\w+\W+(\w+)\W*\(\s*\)$/s) {
# K&R C
next;
} elsif (/\w+\W+\w+\W*\(.*\)$/s) {
while (not /\(\)$/s) {
s/[^\(\)]*\)$/\)/s;
s/\([^\(\)]*\)\)$/\)/s;
}
s/\(void\)//;
/(\w+)\W*\(\)/s;
$funcs{$1} = 1;
} elsif (/\(/ and not (/=/)) {
print STDERR "File $file: cannot parse: $_;\n";
}
}
}
# Prune the returned functions
delete $funcs{"SSL_add_dir_cert_subjects_to_stack"};
delete $funcs{"RSA_PKCS1_RSAref"} unless $rsaref;
delete $funcs{"bn_dump1"};
if($W32) {
delete $funcs{"BIO_s_file_internal"};
delete $funcs{"BIO_new_file_internal"};
delete $funcs{"BIO_new_fp_internal"};
} else {
if(exists $funcs{"ERR_load_CRYPTO_strings"}) {
delete $funcs{"ERR_load_CRYPTO_strings"};
$funcs{"ERR_load_CRYPTOlib_strings"} = 1;
}
delete $funcs{"BIO_s_file"};
delete $funcs{"BIO_new_file"};
delete $funcs{"BIO_new_fp"};
}
if (!$NT) {
delete $funcs{"BIO_s_log"};
}
push @ret, keys %funcs;
return(@ret);
}
sub print_test_file
{
(*OUT,my $name,*nums,my @functions)=@_;
my $n = 1; my @e; my @r;
my $func;
(@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"
if(!$do_update);
} else {
$n=$nums{$func};
print OUT "\t$func();\n";
}
}
}
sub print_def_file
{
(*OUT,my $name,*nums,my @functions)=@_;
my $n = 1; my @e; my @r;
if ($W32)
{ $name.="32"; }
else
{ $name.="16"; }
print OUT <<"EOF";
;
; Definition file for the DLL version of the $name library from OpenSSL
;
LIBRARY $name
DESCRIPTION 'OpenSSL $name - http://www.openssl.org/'
EOF
if (!$W32) {
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"
if(!$do_update);
} else {
$n=$nums{$func};
printf OUT " %s%-40s@%d\n",($W32)?"":"_",$func,$n;
}
}
printf OUT "\n";
}
sub load_numbers
{
my($name)=@_;
my(@a,%ret);
$max_num = 0;
open(IN,"<$name") || die "unable to open $name:$!\n";
while (<IN>) {
chop;
s/#.*$//;
next if /^\s*$/;
@a=split;
$ret{$a[0]}=$a[1];
$max_num = $a[1] if $a[1] > $max_num;
}
close(IN);
return(%ret);
}
sub update_numbers
{
(*OUT,$name,*nums,my $start_num, my @functions)=@_;
my $new_funcs = 0;
print STDERR "Updating $name\n";
foreach $func (@functions) {
if (!exists $nums{$func}) {
$new_funcs++;
printf OUT "%s%-40s%d\n","",$func, ++$start_num;
}
}
if($new_funcs) {
print STDERR "$new_funcs New Functions added\n";
} else {
print STDERR "No New Functions Added\n";
}
}
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