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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
#ifndef SRC_NODE_CRYPTO_H_
#define SRC_NODE_CRYPTO_H_
#include "node.h"
#include "node_object_wrap.h"
#include "v8.h"
#include <openssl/ssl.h>
#include <openssl/err.h>
#include <openssl/evp.h>
#include <openssl/pem.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/hmac.h>
#include <openssl/rand.h>
#include <openssl/pkcs12.h>
#ifdef OPENSSL_NPN_NEGOTIATED
#include "node_buffer.h"
#endif
#define EVP_F_EVP_DECRYPTFINAL 101
namespace node {
namespace crypto {
static X509_STORE* root_cert_store;
// Forward declaration
class Connection;
class SecureContext : ObjectWrap {
public:
static void Initialize(v8::Handle<v8::Object> target);
SSL_CTX *ctx_;
// TODO: ca_store_ should probably be removed, it's not used anywhere.
X509_STORE *ca_store_;
protected:
static const int kMaxSessionSize = 10 * 1024;
static v8::Handle<v8::Value> New(const v8::Arguments& args);
static v8::Handle<v8::Value> Init(const v8::Arguments& args);
static v8::Handle<v8::Value> SetKey(const v8::Arguments& args);
static v8::Handle<v8::Value> SetCert(const v8::Arguments& args);
static v8::Handle<v8::Value> AddCACert(const v8::Arguments& args);
static v8::Handle<v8::Value> AddCRL(const v8::Arguments& args);
static v8::Handle<v8::Value> AddRootCerts(const v8::Arguments& args);
static v8::Handle<v8::Value> SetCiphers(const v8::Arguments& args);
static v8::Handle<v8::Value> SetOptions(const v8::Arguments& args);
static v8::Handle<v8::Value> SetSessionIdContext(const v8::Arguments& args);
static v8::Handle<v8::Value> Close(const v8::Arguments& args);
static v8::Handle<v8::Value> LoadPKCS12(const v8::Arguments& args);
static SSL_SESSION* GetSessionCallback(SSL* s,
unsigned char* key,
int len,
int* copy);
static int NewSessionCallback(SSL* s, SSL_SESSION* sess);
SecureContext() : ObjectWrap() {
ctx_ = NULL;
ca_store_ = NULL;
}
void FreeCTXMem() {
if (ctx_) {
if (ctx_->cert_store == root_cert_store) {
// SSL_CTX_free() will attempt to free the cert_store as well.
// Since we want our root_cert_store to stay around forever
// we just clear the field. Hopefully OpenSSL will not modify this
// struct in future versions.
ctx_->cert_store = NULL;
}
SSL_CTX_free(ctx_);
ctx_ = NULL;
ca_store_ = NULL;
} else {
assert(ca_store_ == NULL);
}
}
~SecureContext() {
FreeCTXMem();
}
private:
};
class ClientHelloParser {
public:
enum FrameType {
kChangeCipherSpec = 20,
kAlert = 21,
kHandshake = 22,
kApplicationData = 23,
kOther = 255
};
enum HandshakeType {
kClientHello = 1
};
enum ParseState {
kWaiting,
kTLSHeader,
kSSLHeader,
kPaused,
kEnded
};
ClientHelloParser(Connection* c) : conn_(c),
state_(kWaiting),
offset_(0),
body_offset_(0) {
}
size_t Write(const uint8_t* data, size_t len);
void Finish();
inline bool ended() { return state_ == kEnded; }
private:
Connection* conn_;
ParseState state_;
size_t frame_len_;
uint8_t data_[18432];
size_t offset_;
size_t body_offset_;
};
class Connection : ObjectWrap {
public:
static void Initialize(v8::Handle<v8::Object> target);
#ifdef OPENSSL_NPN_NEGOTIATED
v8::Persistent<v8::Object> npnProtos_;
v8::Persistent<v8::Value> selectedNPNProto_;
#endif
#ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
v8::Persistent<v8::Object> sniObject_;
v8::Persistent<v8::Value> sniContext_;
v8::Persistent<v8::String> servername_;
#endif
protected:
static v8::Handle<v8::Value> New(const v8::Arguments& args);
static v8::Handle<v8::Value> EncIn(const v8::Arguments& args);
static v8::Handle<v8::Value> ClearOut(const v8::Arguments& args);
static v8::Handle<v8::Value> ClearPending(const v8::Arguments& args);
static v8::Handle<v8::Value> EncPending(const v8::Arguments& args);
static v8::Handle<v8::Value> EncOut(const v8::Arguments& args);
static v8::Handle<v8::Value> ClearIn(const v8::Arguments& args);
static v8::Handle<v8::Value> GetPeerCertificate(const v8::Arguments& args);
static v8::Handle<v8::Value> GetSession(const v8::Arguments& args);
static v8::Handle<v8::Value> SetSession(const v8::Arguments& args);
static v8::Handle<v8::Value> LoadSession(const v8::Arguments& args);
static v8::Handle<v8::Value> IsSessionReused(const v8::Arguments& args);
static v8::Handle<v8::Value> IsInitFinished(const v8::Arguments& args);
static v8::Handle<v8::Value> VerifyError(const v8::Arguments& args);
static v8::Handle<v8::Value> GetCurrentCipher(const v8::Arguments& args);
static v8::Handle<v8::Value> Shutdown(const v8::Arguments& args);
static v8::Handle<v8::Value> ReceivedShutdown(const v8::Arguments& args);
static v8::Handle<v8::Value> Start(const v8::Arguments& args);
static v8::Handle<v8::Value> Close(const v8::Arguments& args);
#ifdef OPENSSL_NPN_NEGOTIATED
// NPN
static v8::Handle<v8::Value> GetNegotiatedProto(const v8::Arguments& args);
static v8::Handle<v8::Value> SetNPNProtocols(const v8::Arguments& args);
static int AdvertiseNextProtoCallback_(SSL *s,
const unsigned char **data,
unsigned int *len,
void *arg);
static int SelectNextProtoCallback_(SSL *s,
unsigned char **out, unsigned char *outlen,
const unsigned char* in,
unsigned int inlen, void *arg);
#endif
#ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
// SNI
static v8::Handle<v8::Value> GetServername(const v8::Arguments& args);
static v8::Handle<v8::Value> SetSNICallback(const v8::Arguments& args);
static int SelectSNIContextCallback_(SSL *s, int *ad, void* arg);
#endif
int HandleBIOError(BIO *bio, const char* func, int rv);
enum ZeroStatus {
kZeroIsNotAnError,
kZeroIsAnError
};
int HandleSSLError(const char* func, int rv, ZeroStatus zs);
void ClearError();
void SetShutdownFlags();
static Connection* Unwrap(const v8::Arguments& args) {
Connection* ss = ObjectWrap::Unwrap<Connection>(args.Holder());
ss->ClearError();
return ss;
}
Connection() : ObjectWrap(), hello_parser_(this) {
bio_read_ = bio_write_ = NULL;
ssl_ = NULL;
next_sess_ = NULL;
}
~Connection() {
if (ssl_ != NULL) {
SSL_free(ssl_);
ssl_ = NULL;
}
if (next_sess_ != NULL) {
SSL_SESSION_free(next_sess_);
next_sess_ = NULL;
}
#ifdef OPENSSL_NPN_NEGOTIATED
if (!npnProtos_.IsEmpty()) npnProtos_.Dispose();
if (!selectedNPNProto_.IsEmpty()) selectedNPNProto_.Dispose();
#endif
#ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
if (!sniObject_.IsEmpty()) sniObject_.Dispose();
if (!sniContext_.IsEmpty()) sniContext_.Dispose();
if (!servername_.IsEmpty()) servername_.Dispose();
#endif
}
private:
static void SSLInfoCallback(const SSL *ssl, int where, int ret);
BIO *bio_read_;
BIO *bio_write_;
SSL *ssl_;
ClientHelloParser hello_parser_;
bool is_server_; /* coverity[member_decl] */
SSL_SESSION* next_sess_;
friend class ClientHelloParser;
friend class SecureContext;
};
void InitCrypto(v8::Handle<v8::Object> target);
} // namespace crypto
} // namespace node
#endif // SRC_NODE_CRYPTO_H_
Zerion Mini Shell 1.0