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GeezerVison is showing github.com — crypto: avoid taking ownership of OpenSSL objects · nodejs/node@ceb1d5e

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  • src/crypto
    • crypto_common.cc
    • crypto_common.h
    • crypto_keys.cc
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‎src/crypto/crypto_common.cc‎

Copy file name to clipboardExpand all lines: src/crypto/crypto_common.cc
-8Lines changed: 0 additions & 8 deletions
Original file line numberDiff line numberDiff line change
@@ -21,14 +21,6 @@
2121
#include <string>
2222
#include <unordered_map>
2323

24-
// Some OpenSSL 1.1.1 functions unnecessarily operate on and return non-const
25-
// pointers, whereas the same functions in OpenSSL 3 use const pointers.
26-
#if OPENSSL_VERSION_MAJOR >= 3
27-
#define OSSL3_CONST const
28-
#else
29-
#define OSSL3_CONST
30-
#endif
31-
3224
namespace node {
3325

3426
using v8::Array;
Collapse file

‎src/crypto/crypto_common.h‎

Copy file name to clipboardExpand all lines: src/crypto/crypto_common.h
+8Lines changed: 8 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -10,6 +10,14 @@
1010

1111
#include <string>
1212

13+
// Some OpenSSL 1.1.1 functions unnecessarily operate on and return non-const
14+
// pointers, whereas the same functions in OpenSSL 3 use const pointers.
15+
#if OPENSSL_VERSION_MAJOR >= 3
16+
#define OSSL3_CONST const
17+
#else
18+
#define OSSL3_CONST
19+
#endif
20+
1321
namespace node {
1422
namespace crypto {
1523

Collapse file

‎src/crypto/crypto_keys.cc‎

Copy file name to clipboardExpand all lines: src/crypto/crypto_keys.cc
+26-26Lines changed: 26 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -289,11 +289,9 @@ MaybeLocal<Value> BIOToStringOrBuffer(
289289
}
290290
}
291291

292-
293-
MaybeLocal<Value> WritePrivateKey(
294-
Environment* env,
295-
EVP_PKEY* pkey,
296-
const PrivateKeyEncodingConfig& config) {
292+
MaybeLocal<Value> WritePrivateKey(Environment* env,
293+
OSSL3_CONST EVP_PKEY* pkey,
294+
const PrivateKeyEncodingConfig& config) {
297295
BIOPointer bio(BIO_new(BIO_s_mem()));
298296
CHECK(bio);
299297

@@ -327,20 +325,21 @@ MaybeLocal<Value> WritePrivateKey(
327325
// PKCS#1 is only permitted for RSA keys.
328326
CHECK_EQ(EVP_PKEY_id(pkey), EVP_PKEY_RSA);
329327

330-
RSAPointer rsa(EVP_PKEY_get1_RSA(pkey));
328+
OSSL3_CONST RSA* rsa = EVP_PKEY_get0_RSA(pkey);
331329
if (config.format_ == kKeyFormatPEM) {
332330
// Encode PKCS#1 as PEM.
333-
err = PEM_write_bio_RSAPrivateKey(
334-
bio.get(), rsa.get(),
335-
config.cipher_,
336-
reinterpret_cast<unsigned char*>(pass),
337-
pass_len,
338-
nullptr, nullptr) != 1;
331+
err = PEM_write_bio_RSAPrivateKey(bio.get(),
332+
rsa,
333+
config.cipher_,
334+
reinterpret_cast<unsigned char*>(pass),
335+
pass_len,
336+
nullptr,
337+
nullptr) != 1;
339338
} else {
340339
// Encode PKCS#1 as DER. This does not permit encryption.
341340
CHECK_EQ(config.format_, kKeyFormatDER);
342341
CHECK_NULL(config.cipher_);
343-
err = i2d_RSAPrivateKey_bio(bio.get(), rsa.get()) != 1;
342+
err = i2d_RSAPrivateKey_bio(bio.get(), rsa) != 1;
344343
}
345344
} else if (encoding_type == kKeyEncodingPKCS8) {
346345
if (config.format_ == kKeyFormatPEM) {
@@ -367,20 +366,21 @@ MaybeLocal<Value> WritePrivateKey(
367366
// SEC1 is only permitted for EC keys.
368367
CHECK_EQ(EVP_PKEY_id(pkey), EVP_PKEY_EC);
369368

370-
ECKeyPointer ec_key(EVP_PKEY_get1_EC_KEY(pkey));
369+
OSSL3_CONST EC_KEY* ec_key = EVP_PKEY_get0_EC_KEY(pkey);
371370
if (config.format_ == kKeyFormatPEM) {
372371
// Encode SEC1 as PEM.
373-
err = PEM_write_bio_ECPrivateKey(
374-
bio.get(), ec_key.get(),
375-
config.cipher_,
376-
reinterpret_cast<unsigned char*>(pass),
377-
pass_len,
378-
nullptr, nullptr) != 1;
372+
err = PEM_write_bio_ECPrivateKey(bio.get(),
373+
ec_key,
374+
config.cipher_,
375+
reinterpret_cast<unsigned char*>(pass),
376+
pass_len,
377+
nullptr,
378+
nullptr) != 1;
379379
} else {
380380
// Encode SEC1 as DER. This does not permit encryption.
381381
CHECK_EQ(config.format_, kKeyFormatDER);
382382
CHECK_NULL(config.cipher_);
383-
err = i2d_ECPrivateKey_bio(bio.get(), ec_key.get()) != 1;
383+
err = i2d_ECPrivateKey_bio(bio.get(), ec_key) != 1;
384384
}
385385
}
386386

@@ -391,20 +391,20 @@ MaybeLocal<Value> WritePrivateKey(
391391
return BIOToStringOrBuffer(env, bio.get(), config.format_);
392392
}
393393

394-
bool WritePublicKeyInner(EVP_PKEY* pkey,
394+
bool WritePublicKeyInner(OSSL3_CONST EVP_PKEY* pkey,
395395
const BIOPointer& bio,
396396
const PublicKeyEncodingConfig& config) {
397397
if (config.type_.ToChecked() == kKeyEncodingPKCS1) {
398398
// PKCS#1 is only valid for RSA keys.
399399
CHECK_EQ(EVP_PKEY_id(pkey), EVP_PKEY_RSA);
400-
RSAPointer rsa(EVP_PKEY_get1_RSA(pkey));
400+
OSSL3_CONST RSA* rsa = EVP_PKEY_get0_RSA(pkey);
401401
if (config.format_ == kKeyFormatPEM) {
402402
// Encode PKCS#1 as PEM.
403-
return PEM_write_bio_RSAPublicKey(bio.get(), rsa.get()) == 1;
403+
return PEM_write_bio_RSAPublicKey(bio.get(), rsa) == 1;
404404
} else {
405405
// Encode PKCS#1 as DER.
406406
CHECK_EQ(config.format_, kKeyFormatDER);
407-
return i2d_RSAPublicKey_bio(bio.get(), rsa.get()) == 1;
407+
return i2d_RSAPublicKey_bio(bio.get(), rsa) == 1;
408408
}
409409
} else {
410410
CHECK_EQ(config.type_.ToChecked(), kKeyEncodingSPKI);
@@ -420,7 +420,7 @@ bool WritePublicKeyInner(EVP_PKEY* pkey,
420420
}
421421

422422
MaybeLocal<Value> WritePublicKey(Environment* env,
423-
EVP_PKEY* pkey,
423+
OSSL3_CONST EVP_PKEY* pkey,
424424
const PublicKeyEncodingConfig& config) {
425425
BIOPointer bio(BIO_new(BIO_s_mem()));
426426
CHECK(bio);

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