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crypto: declare int return type for set_field #17468

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crypto: declare int return type for set_field #17468

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1995452
crypto: declare int return type for set_field
danbev Dec 6, 2017
0a1bfc1
squash: add check of return value
danbev Dec 7, 2017
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10 changes: 6 additions & 4 deletions src/node_crypto.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -5084,7 +5084,7 @@ void DiffieHellman::ComputeSecret(const FunctionCallbackInfo<Value>& args) {
}

void DiffieHellman::SetKey(const v8::FunctionCallbackInfo<v8::Value>& args,
void (*set_field)(DH*, BIGNUM*), const char* what) {
int (*set_field)(DH*, BIGNUM*), const char* what) {
Environment* env = Environment::GetCurrent(args);

DiffieHellman* dh;
Expand All @@ -5107,12 +5107,13 @@ void DiffieHellman::SetKey(const v8::FunctionCallbackInfo<v8::Value>& args,
BN_bin2bn(reinterpret_cast<unsigned char*>(Buffer::Data(args[0])),
Buffer::Length(args[0]), nullptr);
CHECK_NE(num, nullptr);
set_field(dh->dh, num);
CHECK_EQ(1, set_field(dh->dh, num));
}


void DiffieHellman::SetPublicKey(const FunctionCallbackInfo<Value>& args) {
SetKey(args, [](DH* dh, BIGNUM* num) { DH_set0_key(dh, num, nullptr); },
SetKey(args,
[](DH* dh, BIGNUM* num) { return DH_set0_key(dh, num, nullptr); },
"Public key");
}

Expand All @@ -5123,7 +5124,8 @@ void DiffieHellman::SetPrivateKey(const FunctionCallbackInfo<Value>& args) {
// Node. See https://github.com/openssl/openssl/pull/4384.
#error "OpenSSL 1.1.0 revisions before 1.1.0g are not supported"
#endif
SetKey(args, [](DH* dh, BIGNUM* num) { DH_set0_key(dh, nullptr, num); },
SetKey(args,
[](DH* dh, BIGNUM* num) { return DH_set0_key(dh, nullptr, num); },
"Private key");
}

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2 changes: 1 addition & 1 deletion src/node_crypto.h
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Original file line number Diff line number Diff line change
Expand Up @@ -712,7 +712,7 @@ class DiffieHellman : public BaseObject {
const BIGNUM* (*get_field)(const DH*),
const char* err_if_null);
static void SetKey(const v8::FunctionCallbackInfo<v8::Value>& args,
void (*set_field)(DH*, BIGNUM*), const char* what);
int (*set_field)(DH*, BIGNUM*), const char* what);
bool VerifyContext();

bool initialised_;
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