1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
|
// 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/hmac.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;
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 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> Close(const v8::Arguments& args);
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 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::Function> sniCallback_;
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> 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);
int HandleSSLError(const char* func, int rv);
void ClearError();
void SetShutdownFlags();
static Connection* Unwrap(const v8::Arguments& args) {
Connection* ss = ObjectWrap::Unwrap<Connection>(args.Holder());
ss->ClearError();
return ss;
}
Connection() : ObjectWrap() {
bio_read_ = bio_write_ = NULL;
ssl_ = NULL;
}
~Connection() {
if (ssl_ != NULL) {
SSL_free(ssl_);
ssl_ = NULL;
}
#ifdef OPENSSL_NPN_NEGOTIATED
if (!npnProtos_.IsEmpty()) npnProtos_.Dispose();
if (!selectedNPNProto_.IsEmpty()) selectedNPNProto_.Dispose();
#endif
#ifdef SSL_CTRL_SET_TLSEXT_SERVERNAME_CB
if (!sniCallback_.IsEmpty()) sniCallback_.Dispose();
if (!sniContext_.IsEmpty()) sniContext_.Dispose();
if (!servername_.IsEmpty()) servername_.Dispose();
#endif
}
private:
BIO *bio_read_;
BIO *bio_write_;
SSL *ssl_;
bool is_server_; /* coverity[member_decl] */
};
void InitCrypto(v8::Handle<v8::Object> target);
} // namespace crypto
} // namespace node
#endif // SRC_NODE_CRYPTO_H_
|