394 lines
11 KiB
Perl
Executable File
394 lines
11 KiB
Perl
Executable File
#!/usr/bin/perl
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#
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# Copyright (c) 2007, Cameron Rich
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#
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# All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright notice,
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# this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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# * Neither the name of the axTLS project nor the names of its
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# contributors may be used to endorse or promote products derived
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# from this software without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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# TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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# OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#
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#===============================================================
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# Transforms function signature into SWIG format
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sub transformSignature
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{
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foreach $item (@_)
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{
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$line =~ s/STDCALL //g;
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$line =~ s/EXP_FUNC/extern/g;
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# make API Java more 'byte' friendly
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$line =~ s/uint32_t/int/g;
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$line =~ s/const uint8_t \* /const unsigned char \* /g;
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$line =~ s/\(void\)/()/g;
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if ($ARGV[0] eq "-java")
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{
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$line =~ s/.*ssl_read.*//g;
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$line =~ s/const uint8_t \*(\w+)/const signed char $1\[\]/g;
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$line =~ s/uint8_t/signed char/g;
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}
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elsif ($ARGV[0] eq "-perl")
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{
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$line =~ s/const uint8_t \*(\w+)/const unsigned char $1\[\]/g;
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$line =~ s/uint8_t/unsigned char/g;
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}
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else # lua
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{
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$line =~ s/const uint8_t \*session_id/const unsigned char session_id\[\]/g;
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$line =~ s/const uint8_t \*\w+/unsigned char *INPUT/g;
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$line =~ s/uint8_t/unsigned char/g;
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}
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}
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return $line;
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}
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# Parse input file
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sub parseFile
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{
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foreach $line (@_)
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{
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next if $line =~ /ssl_x509_create/; # ignore for now
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# test for a #define
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if (!$skip && $line =~ m/^#define/)
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{
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$splitDefine = 1 if $line =~ m/\\$/;
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print DATA_OUT $line;
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# check line is not split
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next if $splitDefine == 1;
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}
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# pick up second line of #define statement
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if ($splitDefine)
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{
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print DATA_OUT $line;
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# check line is not split
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$splitDefine = ($line =~ m/\\$/);
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next;
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}
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# test for function declaration
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if (!$skip && $line =~ /EXP_FUNC/ && $line !~/\/\*/)
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{
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$line = transformSignature($line);
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$splitFunctionDeclaration = $line !~ /;/;
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print DATA_OUT $line;
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next;
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}
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if ($splitFunctionDeclaration)
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{
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$line = transformSignature($line);
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$splitFunctionDeclaration = $line !~ /;/;
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print DATA_OUT $line;
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next;
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}
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}
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}
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#===============================================================
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# Determine which module to build from cammand-line options
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use strict;
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use Getopt::Std;
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my $module;
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my $interfaceFile;
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my $data_file;
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my $skip;
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my $splitLine;
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my @raw_data;
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if (not defined $ARGV[0])
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{
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goto ouch;
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}
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if ($ARGV[0] eq "-java")
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{
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print "Generating Java interface file\n";
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$module = "axtlsj";
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$interfaceFile = "java/axTLSj.i";
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}
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elsif ($ARGV[0] eq "-perl")
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{
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print "Generating Perl interface file\n";
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$module = "axtlsp";
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$interfaceFile = "perl/axTLSp.i";
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}
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elsif ($ARGV[0] eq "-lua")
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{
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print "Generating lua interface file\n";
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$module = "axtlsl";
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$interfaceFile = "lua/axTLSl.i";
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}
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else
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{
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ouch:
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die "Usage: $0 [-java | -perl | -lua]\n";
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}
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# Input file required to generate SWIG interface file.
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$data_file = "../ssl/ssl.h";
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# Open input files
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open(DATA_IN, $data_file) || die("Could not open file ($data_file)!");
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@raw_data = <DATA_IN>;
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# Open output file
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open(DATA_OUT, ">$interfaceFile") || die("Cannot Open File");
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#
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# I wish I could say it was easy to generate the Perl/Java/Lua bindings,
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# but each had their own set of challenges... :-(.
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#
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print DATA_OUT << "END";
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%module $module\n
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/* include our own header */
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%inline %{
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#include "ssl.h"
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%}
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%include "typemaps.i"
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/* Some SWIG magic to make the API a bit more Java friendly */
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#ifdef SWIGJAVA
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%apply long { SSL * };
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%apply long { SSL_CTX * };
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%apply long { SSLObjLoader * };
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/* allow "unsigned char []" to become "byte[]" */
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%include "arrays_java.i"
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/* convert these pointers to use long */
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%apply signed char[] {unsigned char *};
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%apply signed char[] {signed char *};
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/* allow ssl_get_session_id() to return "byte[]" */
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%typemap(out) unsigned char * ssl_get_session_id \"if (result) jresult = SWIG_JavaArrayOutSchar(jenv, result, ssl_get_session_id_size((SSL const *)arg1));\"
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/* allow ssl_client_new() to have a null session_id input */
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%typemap(in) const signed char session_id[] (jbyte *jarr) {
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if (jarg3 == NULL)
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{
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jresult = (jint)ssl_client_new(arg1,arg2,NULL,0);
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return jresult;
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}
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if (!SWIG_JavaArrayInSchar(jenv, &jarr, &arg3, jarg3)) return 0;
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}
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/* Lot's of work required for an ssl_read() due to its various custom
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* requirements.
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*/
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%native (ssl_read) int ssl_read(SSL *ssl, jobject in_data);
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%{
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JNIEXPORT jint JNICALL Java_axTLSj_axtlsjJNI_ssl_1read(JNIEnv *jenv, jclass jcls, jint jarg1, jobject jarg2) {
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jint jresult = 0 ;
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SSL *arg1;
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unsigned char *arg2;
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jbyte *jarr;
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int result;
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JNIEnv e = *jenv;
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jclass holder_class;
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jfieldID fid;
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arg1 = (SSL *)jarg1;
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result = (int)ssl_read(arg1, &arg2);
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/* find the "m_buf" entry in the SSLReadHolder class */
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if (!(holder_class = e->GetObjectClass(jenv,jarg2)) ||
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!(fid = e->GetFieldID(jenv,holder_class, "m_buf", "[B")))
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return SSL_NOT_OK;
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if (result > SSL_OK)
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{
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int i;
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/* create a new byte array to hold the read data */
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jbyteArray jarray = e->NewByteArray(jenv, result);
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/* copy the bytes across to the java byte array */
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jarr = e->GetByteArrayElements(jenv, jarray, 0);
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for (i = 0; i < result; i++)
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jarr[i] = (jbyte)arg2[i];
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/* clean up and set the new m_buf object */
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e->ReleaseByteArrayElements(jenv, jarray, jarr, 0);
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e->SetObjectField(jenv, jarg2, fid, jarray);
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}
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else /* set to null */
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e->SetObjectField(jenv, jarg2, fid, NULL);
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jresult = (jint)result;
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return jresult;
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}
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%}
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/* Big hack to get hold of a socket's file descriptor */
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%typemap (jtype) long "Object"
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%typemap (jstype) long "Object"
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%native (getFd) int getFd(long sock);
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%{
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JNIEXPORT jint JNICALL Java_axTLSj_axtlsjJNI_getFd(JNIEnv *env, jclass jcls, jobject sock)
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{
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JNIEnv e = *env;
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jfieldID fid;
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jobject impl;
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jobject fdesc;
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/* get the SocketImpl from the Socket */
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if (!(jcls = e->GetObjectClass(env,sock)) ||
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!(fid = e->GetFieldID(env,jcls,"impl","Ljava/net/SocketImpl;")) ||
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!(impl = e->GetObjectField(env,sock,fid))) return -1;
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/* get the FileDescriptor from the SocketImpl */
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if (!(jcls = e->GetObjectClass(env,impl)) ||
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!(fid = e->GetFieldID(env,jcls,"fd","Ljava/io/FileDescriptor;")) ||
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!(fdesc = e->GetObjectField(env,impl,fid))) return -1;
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/* get the fd from the FileDescriptor */
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if (!(jcls = e->GetObjectClass(env,fdesc)) ||
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!(fid = e->GetFieldID(env,jcls,"fd","I"))) return -1;
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/* return the descriptor */
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return e->GetIntField(env,fdesc,fid);
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}
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%}
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#endif
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/* Some SWIG magic to make the API a bit more Perl friendly */
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#ifdef SWIGPERL
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/* for ssl_session_id() */
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%typemap(out) const unsigned char * {
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SV *svs = newSVpv((unsigned char *)\$1, ssl_get_session_id_size((SSL const *)arg1));
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\$result = newRV(svs);
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sv_2mortal(\$result);
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argvi++;
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}
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/* for ssl_write() */
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%typemap(in) const unsigned char out_data[] {
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SV* tempsv;
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if (!SvROK(\$input))
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croak("Argument \$argnum is not a reference.");
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tempsv = SvRV(\$input);
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if (SvTYPE(tempsv) != SVt_PV)
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croak("Argument \$argnum is not an string.");
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\$1 = (unsigned char *)SvPV(tempsv, PL_na);
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}
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/* for ssl_read() */
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%typemap(in) unsigned char **in_data (unsigned char *buf) {
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\$1 = &buf;
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}
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%typemap(argout) unsigned char **in_data {
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if (result > SSL_OK) {
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SV *svs = newSVpv(*\$1, result);
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\$result = newRV(svs);
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sv_2mortal(\$result);
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argvi++;
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}
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}
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/* for ssl_client_new() */
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%typemap(in) const unsigned char session_id[] {
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/* check for a reference */
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if (SvOK(\$input) && SvROK(\$input)) {
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SV* tempsv = SvRV(\$input);
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if (SvTYPE(tempsv) != SVt_PV)
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croak("Argument \$argnum is not an string.");
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\$1 = (unsigned char *)SvPV(tempsv, PL_na);
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}
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else
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\$1 = NULL;
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}
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#endif
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/* Some SWIG magic to make the API a bit more Lua friendly */
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#ifdef SWIGLUA
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SWIG_NUMBER_TYPEMAP(unsigned char);
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SWIG_TYPEMAP_NUM_ARR(uchar,unsigned char);
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/* for ssl_session_id() */
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%typemap(out) const unsigned char * {
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int i;
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lua_newtable(L);
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for (i = 0; i < ssl_get_session_id_size((SSL const *)arg1); i++){
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lua_pushnumber(L,(lua_Number)result[i]);
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lua_rawseti(L,-2,i+1); /* -1 is the number, -2 is the table */
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}
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SWIG_arg++;
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}
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/* for ssl_read() */
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%typemap(in) unsigned char **in_data (unsigned char *buf) {
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\$1 = &buf;
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}
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%typemap(argout) unsigned char **in_data {
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if (result > SSL_OK) {
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int i;
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lua_newtable(L);
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for (i = 0; i < result; i++){
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lua_pushnumber(L,(lua_Number)buf2[i]);
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lua_rawseti(L,-2,i+1); /* -1 is the number, -2 is the table */
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}
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SWIG_arg++;
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}
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}
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/* for ssl_client_new() */
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%typemap(in) const unsigned char session_id[] {
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if (lua_isnil(L,\$input))
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\$1 = NULL;
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else
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\$1 = SWIG_get_uchar_num_array_fixed(L,\$input, ssl_get_session_id((SSL const *)\$1));
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}
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#endif
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END
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# Initialise loop variables
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$skip = 1;
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$splitLine = 0;
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parseFile(@raw_data);
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close(DATA_IN);
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close(DATA_OUT);
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#===============================================================
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