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src: rename CryptoPemCallback -> PasswordCallback
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While reading through node_crypto.cc I think the code could perhaps
be be a made a little clearer if CryptPemCallback was renamed.

I admit that I'm very new to the code base and openssl but having a
name like PasswordCallback or something similar would have helped me
so I'm suggesting this change.

PR-URL: #12787
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Colin Ihrig <[email protected]>
Reviewed-By: James M Snell <[email protected]>
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@danbev @gibfahn
danbev authored and gibfahn committed Jun 20, 2017
1 parent 947ebcd commit 177a2f6
Showing 1 changed file with 16 additions and 14 deletions.
30 changes: 16 additions & 14 deletions src/node_crypto.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -204,7 +204,9 @@ static void crypto_lock_cb(int mode, int n, const char* file, int line) {
}


static int CryptoPemCallback(char *buf, int size, int rwflag, void *u) {
// This callback is used by OpenSSL when it needs to query for the passphrase
// which may be used for encrypted PEM structures.
static int PasswordCallback(char *buf, int size, int rwflag, void *u) {
if (u) {
size_t buflen = static_cast<size_t>(size);
size_t len = strlen(static_cast<const char*>(u));
Expand Down Expand Up @@ -460,7 +462,7 @@ void SecureContext::SetKey(const FunctionCallbackInfo<Value>& args) {

EVP_PKEY* key = PEM_read_bio_PrivateKey(bio,
nullptr,
CryptoPemCallback,
PasswordCallback,
len == 1 ? nullptr : *passphrase);

if (!key) {
Expand Down Expand Up @@ -586,7 +588,7 @@ int SSL_CTX_use_certificate_chain(SSL_CTX* ctx,
// that we are interested in
ERR_clear_error();

x = PEM_read_bio_X509_AUX(in, nullptr, CryptoPemCallback, nullptr);
x = PEM_read_bio_X509_AUX(in, nullptr, PasswordCallback, nullptr);

if (x == nullptr) {
SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
Expand All @@ -604,7 +606,7 @@ int SSL_CTX_use_certificate_chain(SSL_CTX* ctx,
goto done;
}

while ((extra = PEM_read_bio_X509(in, nullptr, CryptoPemCallback, nullptr))) {
while ((extra = PEM_read_bio_X509(in, nullptr, PasswordCallback, nullptr))) {
if (sk_X509_push(extra_certs, extra))
continue;

Expand Down Expand Up @@ -700,7 +702,7 @@ static X509_STORE* NewRootCertStore() {
if (root_certs_vector.empty()) {
for (size_t i = 0; i < arraysize(root_certs); i++) {
BIO* bp = NodeBIO::NewFixed(root_certs[i], strlen(root_certs[i]));
X509 *x509 = PEM_read_bio_X509(bp, nullptr, CryptoPemCallback, nullptr);
X509 *x509 = PEM_read_bio_X509(bp, nullptr, PasswordCallback, nullptr);
BIO_free(bp);

// Parse errors from the built-in roots are fatal.
Expand Down Expand Up @@ -743,7 +745,7 @@ void SecureContext::AddCACert(const FunctionCallbackInfo<Value>& args) {

X509_STORE* cert_store = SSL_CTX_get_cert_store(sc->ctx_);
while (X509* x509 =
PEM_read_bio_X509(bio, nullptr, CryptoPemCallback, nullptr)) {
PEM_read_bio_X509(bio, nullptr, PasswordCallback, nullptr)) {
if (cert_store == root_cert_store) {
cert_store = NewRootCertStore();
SSL_CTX_set_cert_store(sc->ctx_, cert_store);
Expand Down Expand Up @@ -775,7 +777,7 @@ void SecureContext::AddCRL(const FunctionCallbackInfo<Value>& args) {
return;

X509_CRL* crl =
PEM_read_bio_X509_CRL(bio, nullptr, CryptoPemCallback, nullptr);
PEM_read_bio_X509_CRL(bio, nullptr, PasswordCallback, nullptr);

if (crl == nullptr) {
BIO_free_all(bio);
Expand Down Expand Up @@ -814,7 +816,7 @@ static unsigned long AddCertsFromFile( // NOLINT(runtime/int)
}

while (X509* x509 =
PEM_read_bio_X509(bio, nullptr, CryptoPemCallback, nullptr)) {
PEM_read_bio_X509(bio, nullptr, PasswordCallback, nullptr)) {
X509_STORE_add_cert(store, x509);
X509_free(x509);
}
Expand Down Expand Up @@ -4080,7 +4082,7 @@ SignBase::Error Sign::SignFinal(const char* key_pem,

pkey = PEM_read_bio_PrivateKey(bp,
nullptr,
CryptoPemCallback,
PasswordCallback,
const_cast<char*>(passphrase));

// Errors might be injected into OpenSSL's error stack
Expand Down Expand Up @@ -4293,12 +4295,12 @@ SignBase::Error Verify::VerifyFinal(const char* key_pem,
// Split this out into a separate function once we have more than one
// consumer of public keys.
if (strncmp(key_pem, PUBLIC_KEY_PFX, PUBLIC_KEY_PFX_LEN) == 0) {
pkey = PEM_read_bio_PUBKEY(bp, nullptr, CryptoPemCallback, nullptr);
pkey = PEM_read_bio_PUBKEY(bp, nullptr, PasswordCallback, nullptr);
if (pkey == nullptr)
goto exit;
} else if (strncmp(key_pem, PUBRSA_KEY_PFX, PUBRSA_KEY_PFX_LEN) == 0) {
RSA* rsa =
PEM_read_bio_RSAPublicKey(bp, nullptr, CryptoPemCallback, nullptr);
PEM_read_bio_RSAPublicKey(bp, nullptr, PasswordCallback, nullptr);
if (rsa) {
pkey = EVP_PKEY_new();
if (pkey)
Expand All @@ -4309,7 +4311,7 @@ SignBase::Error Verify::VerifyFinal(const char* key_pem,
goto exit;
} else {
// X.509 fallback
x509 = PEM_read_bio_X509(bp, nullptr, CryptoPemCallback, nullptr);
x509 = PEM_read_bio_X509(bp, nullptr, PasswordCallback, nullptr);
if (x509 == nullptr)
goto exit;

Expand Down Expand Up @@ -4427,7 +4429,7 @@ bool PublicKeyCipher::Cipher(const char* key_pem,
goto exit;
} else if (operation == kPublic &&
strncmp(key_pem, CERTIFICATE_PFX, CERTIFICATE_PFX_LEN) == 0) {
x509 = PEM_read_bio_X509(bp, nullptr, CryptoPemCallback, nullptr);
x509 = PEM_read_bio_X509(bp, nullptr, PasswordCallback, nullptr);
if (x509 == nullptr)
goto exit;

Expand All @@ -4437,7 +4439,7 @@ bool PublicKeyCipher::Cipher(const char* key_pem,
} else {
pkey = PEM_read_bio_PrivateKey(bp,
nullptr,
CryptoPemCallback,
PasswordCallback,
const_cast<char*>(passphrase));
if (pkey == nullptr)
goto exit;
Expand Down

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