Sharkey/src/crypto_key.cc
Marcin Cieślak 7d881427d4 Use delete[] after new[]
gmake: Wejście do katalogu '/usr/home/saper/sw/misskey/build'
  CXX(target) Release/obj.target/crypto_key/src/crypto_key.o
../src/crypto_key.cc:25:3: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?
      [-Wmismatched-new-delete]
                delete sourceBuf;
                ^
                      []
../src/crypto_key.cc:18:25: note: allocated with 'new[]' here
        const auto sourceBuf = new char[sourceLength];
                               ^
../src/crypto_key.cc:32:2: warning: 'delete' applied to a pointer that was allocated with 'new[]'; did you mean 'delete[]'?
      [-Wmismatched-new-delete]
        delete sourceBuf;
        ^
              []
../src/crypto_key.cc:18:25: note: allocated with 'new[]' here
        const auto sourceBuf = new char[sourceLength];
                               ^
2 warnings generated.
2018-05-16 00:21:54 +02:00

111 lines
2.5 KiB
C++

#include <nan.h>
#include <openssl/bio.h>
#include <openssl/buffer.h>
#include <openssl/crypto.h>
#include <openssl/pem.h>
#include <openssl/rsa.h>
#include <openssl/x509.h>
NAN_METHOD(extractPublic)
{
const auto sourceString = info[0]->ToString();
if (!sourceString->IsOneByte()) {
Nan::ThrowError("Malformed character found");
return;
}
size_t sourceLength = sourceString->Length();
const auto sourceBuf = new char[sourceLength];
Nan::DecodeWrite(sourceBuf, sourceLength, sourceString);
const auto source = BIO_new_mem_buf(sourceBuf, sourceLength);
if (source == nullptr) {
Nan::ThrowError("Memory allocation failed");
delete[] sourceBuf;
return;
}
const auto rsa = PEM_read_bio_RSAPrivateKey(source, nullptr, nullptr, nullptr);
BIO_free(source);
delete[] sourceBuf;
if (rsa == nullptr) {
Nan::ThrowError("Decode failed");
return;
}
const auto destination = BIO_new(BIO_s_mem());
if (destination == nullptr) {
Nan::ThrowError("Memory allocation failed");
return;
}
const auto result = PEM_write_bio_RSAPublicKey(destination, rsa);
RSA_free(rsa);
if (result != 1) {
Nan::ThrowError("Public key extraction failed");
BIO_free(destination);
return;
}
char *pem;
const auto pemLength = BIO_get_mem_data(destination, &pem);
info.GetReturnValue().Set(Nan::Encode(pem, pemLength));
BIO_free(destination);
}
NAN_METHOD(generate)
{
const auto exponent = BN_new();
const auto mem = BIO_new(BIO_s_mem());
const auto rsa = RSA_new();
char *data;
long result;
if (exponent == nullptr || mem == nullptr || rsa == nullptr) {
Nan::ThrowError("Memory allocation failed");
goto done;
}
result = BN_set_word(exponent, 65537);
if (result != 1) {
Nan::ThrowError("Exponent setting failed");
goto done;
}
result = RSA_generate_key_ex(rsa, 2048, exponent, nullptr);
if (result != 1) {
Nan::ThrowError("Key generation failed");
goto done;
}
result = PEM_write_bio_RSAPrivateKey(mem, rsa, NULL, NULL, 0, NULL, NULL);
if (result != 1) {
Nan::ThrowError("Key export failed");
goto done;
}
result = BIO_get_mem_data(mem, &data);
info.GetReturnValue().Set(Nan::Encode(data, result));
done:
RSA_free(rsa);
BIO_free(mem);
BN_free(exponent);
}
NAN_MODULE_INIT(InitAll)
{
Nan::Set(target, Nan::New<v8::String>("extractPublic").ToLocalChecked(),
Nan::GetFunction(Nan::New<v8::FunctionTemplate>(extractPublic)).ToLocalChecked());
Nan::Set(target, Nan::New<v8::String>("generate").ToLocalChecked(),
Nan::GetFunction(Nan::New<v8::FunctionTemplate>(generate)).ToLocalChecked());
}
NODE_MODULE(crypto_key, InitAll);