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src: avoid strcmp in SecureContext::Init #34329

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src: avoid strcmp in SecureContext::Init #34329

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9c5d55f
src: avoid strcmp in SecureContext::Init
tniessen Jul 12, 2020
24487c9
fixup! src: avoid strcmp in SecureContext::Init
tniessen Jul 13, 2020
c6cf437
fixup! src: avoid strcmp in SecureContext::Init
tniessen Jul 17, 2020
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53 changes: 23 additions & 30 deletions src/node_crypto.cc
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Expand Up @@ -568,84 +568,77 @@ void SecureContext::Init(const FunctionCallbackInfo<Value>& args) {

if (args[0]->IsString()) {
const node::Utf8Value sslmethod(env->isolate(), args[0]);
const std::string methodstr(*sslmethod);
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// Note that SSLv2 and SSLv3 are disallowed but SSLv23_method and friends
// are still accepted. They are OpenSSL's way of saying that all known
// protocols below TLS 1.3 are supported unless explicitly disabled (which
// we do below for SSLv2 and SSLv3.)
if (strcmp(*sslmethod, "SSLv2_method") == 0) {
if (methodstr == "SSLv2_method" ||
methodstr == "SSLv2_server_method" ||
methodstr == "SSLv2_client_method") {
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Nice 👍

THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv2 methods disabled");
return;
} else if (strcmp(*sslmethod, "SSLv2_server_method") == 0) {
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv2 methods disabled");
return;
} else if (strcmp(*sslmethod, "SSLv2_client_method") == 0) {
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv2 methods disabled");
return;
} else if (strcmp(*sslmethod, "SSLv3_method") == 0) {
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv3 methods disabled");
return;
} else if (strcmp(*sslmethod, "SSLv3_server_method") == 0) {
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv3 methods disabled");
return;
} else if (strcmp(*sslmethod, "SSLv3_client_method") == 0) {
} else if (methodstr == "SSLv3_method" ||
methodstr == "SSLv3_server_method" ||
methodstr == "SSLv3_client_method") {
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, "SSLv3 methods disabled");
return;
} else if (strcmp(*sslmethod, "SSLv23_method") == 0) {
} else if (methodstr == "SSLv23_method") {
max_version = TLS1_2_VERSION;
} else if (strcmp(*sslmethod, "SSLv23_server_method") == 0) {
} else if (methodstr == "SSLv23_server_method") {
max_version = TLS1_2_VERSION;
method = TLS_server_method();
} else if (strcmp(*sslmethod, "SSLv23_client_method") == 0) {
} else if (methodstr == "SSLv23_client_method") {
max_version = TLS1_2_VERSION;
method = TLS_client_method();
} else if (strcmp(*sslmethod, "TLS_method") == 0) {
} else if (methodstr == "TLS_method") {
min_version = 0;
max_version = MAX_SUPPORTED_VERSION;
} else if (strcmp(*sslmethod, "TLS_server_method") == 0) {
} else if (methodstr == "TLS_server_method") {
min_version = 0;
max_version = MAX_SUPPORTED_VERSION;
method = TLS_server_method();
} else if (strcmp(*sslmethod, "TLS_client_method") == 0) {
} else if (methodstr == "TLS_client_method") {
min_version = 0;
max_version = MAX_SUPPORTED_VERSION;
method = TLS_client_method();
} else if (strcmp(*sslmethod, "TLSv1_method") == 0) {
} else if (methodstr == "TLSv1_method") {
min_version = TLS1_VERSION;
max_version = TLS1_VERSION;
} else if (strcmp(*sslmethod, "TLSv1_server_method") == 0) {
} else if (methodstr == "TLSv1_server_method") {
min_version = TLS1_VERSION;
max_version = TLS1_VERSION;
method = TLS_server_method();
} else if (strcmp(*sslmethod, "TLSv1_client_method") == 0) {
} else if (methodstr == "TLSv1_client_method") {
min_version = TLS1_VERSION;
max_version = TLS1_VERSION;
method = TLS_client_method();
} else if (strcmp(*sslmethod, "TLSv1_1_method") == 0) {
} else if (methodstr == "TLSv1_1_method") {
min_version = TLS1_1_VERSION;
max_version = TLS1_1_VERSION;
} else if (strcmp(*sslmethod, "TLSv1_1_server_method") == 0) {
} else if (methodstr == "TLSv1_1_server_method") {
min_version = TLS1_1_VERSION;
max_version = TLS1_1_VERSION;
method = TLS_server_method();
} else if (strcmp(*sslmethod, "TLSv1_1_client_method") == 0) {
} else if (methodstr == "TLSv1_1_client_method") {
min_version = TLS1_1_VERSION;
max_version = TLS1_1_VERSION;
method = TLS_client_method();
} else if (strcmp(*sslmethod, "TLSv1_2_method") == 0) {
} else if (methodstr == "TLSv1_2_method") {
min_version = TLS1_2_VERSION;
max_version = TLS1_2_VERSION;
} else if (strcmp(*sslmethod, "TLSv1_2_server_method") == 0) {
} else if (methodstr == "TLSv1_2_server_method") {
min_version = TLS1_2_VERSION;
max_version = TLS1_2_VERSION;
method = TLS_server_method();
} else if (strcmp(*sslmethod, "TLSv1_2_client_method") == 0) {
} else if (methodstr == "TLSv1_2_client_method") {
min_version = TLS1_2_VERSION;
max_version = TLS1_2_VERSION;
method = TLS_client_method();
} else {
const std::string msg("Unknown method: ");
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, (msg + * sslmethod).c_str());
THROW_ERR_TLS_INVALID_PROTOCOL_METHOD(env, (msg + methodstr).c_str());
return;
}
}
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