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src: rename ASSERT macros in node_crypto.cc
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Rename the misnomers ASSERT_IS_STRING_OR_BUFFER and ASSERT_IS_BUFFER.
Said macros don't assert, they throw a TypeError and return.

PR-URL: #529
Reviewed-By: Trevor Norris <trev.norris@gmail.com>
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@bnoordhuis
bnoordhuis committed Jan 20, 2015
1 parent e95cfe1 commit 52f624e
Showing 1 changed file with 32 additions and 29 deletions.
61 changes: 32 additions & 29 deletions src/node_crypto.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,15 @@
#define OPENSSL_CONST
#endif

#define ASSERT_IS_STRING_OR_BUFFER(val) do { \
#define THROW_AND_RETURN_IF_NOT_STRING_OR_BUFFER(val) \
do { \
if (!Buffer::HasInstance(val) && !val->IsString()) { \
return env->ThrowTypeError("Not a string or buffer"); \
} \
} while (0)

#define ASSERT_IS_BUFFER(val) do { \
#define THROW_AND_RETURN_IF_NOT_BUFFER(val) \
do { \
if (!Buffer::HasInstance(val)) { \
return env->ThrowTypeError("Not a buffer"); \
} \
Expand Down Expand Up @@ -834,7 +836,7 @@ void SecureContext::LoadPKCS12(const FunctionCallbackInfo<Value>& args) {
}

if (args.Length() >= 2) {
ASSERT_IS_BUFFER(args[1]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[1]);
size_t passlen = Buffer::Length(args[1]);
pass = new char[passlen + 1];
memcpy(pass, Buffer::Data(args[1]), passlen);
Expand Down Expand Up @@ -1432,7 +1434,7 @@ void SSLWrap<Base>::SetSession(const FunctionCallbackInfo<Value>& args) {
return env->ThrowTypeError("Bad argument");
}

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
size_t slen = Buffer::Length(args[0]);
char* sbuf = new char[slen];
memcpy(sbuf, Buffer::Data(args[0]), slen);
Expand Down Expand Up @@ -2608,8 +2610,8 @@ void CipherBase::InitIv(const FunctionCallbackInfo<Value>& args) {
return env->ThrowError("Must give cipher-type, key, and iv as argument");
}

ASSERT_IS_BUFFER(args[1]);
ASSERT_IS_BUFFER(args[2]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[1]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[2]);

const node::Utf8Value cipher_type(env->isolate(), args[0]);
ssize_t key_len = Buffer::Length(args[1]);
Expand Down Expand Up @@ -2699,7 +2701,7 @@ bool CipherBase::SetAAD(const char* data, unsigned int len) {
void CipherBase::SetAAD(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);

CipherBase* cipher = Unwrap<CipherBase>(args.Holder());

Expand Down Expand Up @@ -2740,7 +2742,7 @@ void CipherBase::Update(const FunctionCallbackInfo<Value>& args) {

CipherBase* cipher = Unwrap<CipherBase>(args.Holder());

ASSERT_IS_STRING_OR_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_STRING_OR_BUFFER(args[0]);

unsigned char* out = nullptr;
bool r;
Expand Down Expand Up @@ -2900,7 +2902,7 @@ void Hmac::HmacInit(const FunctionCallbackInfo<Value>& args) {
return env->ThrowError("Must give hashtype string, key as arguments");
}

ASSERT_IS_BUFFER(args[1]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[1]);

const node::Utf8Value hash_type(env->isolate(), args[0]);
const char* buffer_data = Buffer::Data(args[1]);
Expand All @@ -2922,7 +2924,7 @@ void Hmac::HmacUpdate(const FunctionCallbackInfo<Value>& args) {

Hmac* hmac = Unwrap<Hmac>(args.Holder());

ASSERT_IS_STRING_OR_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_STRING_OR_BUFFER(args[0]);

// Only copy the data if we have to, because it's a string
bool r;
Expand Down Expand Up @@ -3046,7 +3048,7 @@ void Hash::HashUpdate(const FunctionCallbackInfo<Value>& args) {

Hash* hash = Unwrap<Hash>(args.Holder());

ASSERT_IS_STRING_OR_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_STRING_OR_BUFFER(args[0]);

// Only copy the data if we have to, because it's a string
bool r;
Expand Down Expand Up @@ -3207,7 +3209,7 @@ void Sign::SignUpdate(const FunctionCallbackInfo<Value>& args) {

Sign* sign = Unwrap<Sign>(args.Holder());

ASSERT_IS_STRING_OR_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_STRING_OR_BUFFER(args[0]);

// Only copy the data if we have to, because it's a string
Error err;
Expand Down Expand Up @@ -3296,7 +3298,7 @@ void Sign::SignFinal(const FunctionCallbackInfo<Value>& args) {

node::Utf8Value passphrase(env->isolate(), args[2]);

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
size_t buf_len = Buffer::Length(args[0]);
char* buf = Buffer::Data(args[0]);

Expand Down Expand Up @@ -3388,7 +3390,7 @@ void Verify::VerifyUpdate(const FunctionCallbackInfo<Value>& args) {

Verify* verify = Unwrap<Verify>(args.Holder());

ASSERT_IS_STRING_OR_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_STRING_OR_BUFFER(args[0]);

// Only copy the data if we have to, because it's a string
Error err;
Expand Down Expand Up @@ -3496,11 +3498,12 @@ void Verify::VerifyFinal(const FunctionCallbackInfo<Value>& args) {

Verify* verify = Unwrap<Verify>(args.Holder());

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
char* kbuf = Buffer::Data(args[0]);
ssize_t klen = Buffer::Length(args[0]);

ASSERT_IS_STRING_OR_BUFFER(args[1]);
THROW_AND_RETURN_IF_NOT_STRING_OR_BUFFER(args[1]);

// BINARY works for both buffers and binary strings.
enum encoding encoding = BINARY;
if (args.Length() >= 3) {
Expand Down Expand Up @@ -3628,11 +3631,11 @@ template <PublicKeyCipher::Operation operation,
void PublicKeyCipher::Cipher(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
char* kbuf = Buffer::Data(args[0]);
ssize_t klen = Buffer::Length(args[0]);

ASSERT_IS_BUFFER(args[1]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[1]);
char* buf = Buffer::Data(args[1]);
ssize_t len = Buffer::Length(args[1]);

Expand Down Expand Up @@ -3939,7 +3942,7 @@ void DiffieHellman::ComputeSecret(const FunctionCallbackInfo<Value>& args) {
if (args.Length() == 0) {
return env->ThrowError("First argument must be other party's public key");
} else {
ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
key = BN_bin2bn(
reinterpret_cast<unsigned char*>(Buffer::Data(args[0])),
Buffer::Length(args[0]),
Expand Down Expand Up @@ -4005,7 +4008,7 @@ void DiffieHellman::SetPublicKey(const FunctionCallbackInfo<Value>& args) {
if (args.Length() == 0) {
return env->ThrowError("First argument must be public key");
} else {
ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
diffieHellman->dh->pub_key = BN_bin2bn(
reinterpret_cast<unsigned char*>(Buffer::Data(args[0])),
Buffer::Length(args[0]), 0);
Expand All @@ -4024,7 +4027,7 @@ void DiffieHellman::SetPrivateKey(const FunctionCallbackInfo<Value>& args) {
if (args.Length() == 0) {
return env->ThrowError("First argument must be private key");
} else {
ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
diffieHellman->dh->priv_key = BN_bin2bn(
reinterpret_cast<unsigned char*>(Buffer::Data(args[0])),
Buffer::Length(args[0]),
Expand Down Expand Up @@ -4137,7 +4140,7 @@ EC_POINT* ECDH::BufferToPoint(char* data, size_t len) {
void ECDH::ComputeSecret(const FunctionCallbackInfo<Value>& args) {
Environment* env = Environment::GetCurrent(args);

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);

ECDH* ecdh = Unwrap<ECDH>(args.Holder());

Expand Down Expand Up @@ -4233,7 +4236,7 @@ void ECDH::SetPrivateKey(const FunctionCallbackInfo<Value>& args) {

ECDH* ecdh = Unwrap<ECDH>(args.Holder());

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);

BIGNUM* priv = BN_bin2bn(
reinterpret_cast<unsigned char*>(Buffer::Data(args[0].As<Object>())),
Expand All @@ -4252,7 +4255,7 @@ void ECDH::SetPublicKey(const FunctionCallbackInfo<Value>& args) {

ECDH* ecdh = Unwrap<ECDH>(args.Holder());

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);

EC_POINT* pub = ecdh->BufferToPoint(Buffer::Data(args[0].As<Object>()),
Buffer::Length(args[0].As<Object>()));
Expand Down Expand Up @@ -4429,14 +4432,14 @@ void PBKDF2(const FunctionCallbackInfo<Value>& args) {
goto err;
}

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);
passlen = Buffer::Length(args[0]);
if (passlen < 0) {
type_error = "Bad password";
goto err;
}

ASSERT_IS_BUFFER(args[1]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[1]);

pass = static_cast<char*>(malloc(passlen));
if (pass == nullptr) {
Expand Down Expand Up @@ -4816,7 +4819,7 @@ void Certificate::VerifySpkac(const FunctionCallbackInfo<Value>& args) {
if (args.Length() < 1)
return env->ThrowTypeError("Missing argument");

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);

size_t length = Buffer::Length(args[0]);
if (length == 0)
Expand Down Expand Up @@ -4880,7 +4883,7 @@ void Certificate::ExportPublicKey(const FunctionCallbackInfo<Value>& args) {
if (args.Length() < 1)
return env->ThrowTypeError("Missing argument");

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);

size_t length = Buffer::Length(args[0]);
if (length == 0)
Expand Down Expand Up @@ -4923,7 +4926,7 @@ void Certificate::ExportChallenge(const FunctionCallbackInfo<Value>& args) {
if (args.Length() < 1)
return env->ThrowTypeError("Missing argument");

ASSERT_IS_BUFFER(args[0]);
THROW_AND_RETURN_IF_NOT_BUFFER(args[0]);

size_t len = Buffer::Length(args[0]);
if (len == 0)
Expand Down

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