f048872e91
migrating talk/base to webrtc/base. BUG=N/A R=niklas.enbom@webrtc.org Review URL: https://webrtc-codereview.appspot.com/17479005 git-svn-id: http://webrtc.googlecode.com/svn/trunk@6129 4adac7df-926f-26a2-2b94-8c16560cd09d
112 lines
3.5 KiB
C++
112 lines
3.5 KiB
C++
/*
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* Copyright 2004 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef WEBRTC_BASE_NSSSTREAMADAPTER_H_
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#define WEBRTC_BASE_NSSSTREAMADAPTER_H_
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#include <string>
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#include <vector>
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#include "nspr.h"
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#include "nss.h"
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#include "secmodt.h"
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#include "webrtc/base/buffer.h"
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#include "webrtc/base/nssidentity.h"
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#include "webrtc/base/ssladapter.h"
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#include "webrtc/base/sslstreamadapter.h"
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#include "webrtc/base/sslstreamadapterhelper.h"
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namespace rtc {
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// Singleton
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class NSSContext {
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public:
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NSSContext() {}
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~NSSContext() {
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}
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static PK11SlotInfo *GetSlot() {
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return Instance() ? Instance()->slot_: NULL;
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}
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static NSSContext *Instance();
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static bool InitializeSSL(VerificationCallback callback);
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static bool InitializeSSLThread();
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static bool CleanupSSL();
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private:
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PK11SlotInfo *slot_; // The PKCS-11 slot
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static bool initialized; // Was this initialized?
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static NSSContext *global_nss_context; // The global context
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};
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class NSSStreamAdapter : public SSLStreamAdapterHelper {
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public:
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explicit NSSStreamAdapter(StreamInterface* stream);
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virtual ~NSSStreamAdapter();
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bool Init();
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virtual StreamResult Read(void* data, size_t data_len,
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size_t* read, int* error);
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virtual StreamResult Write(const void* data, size_t data_len,
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size_t* written, int* error);
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void OnMessage(Message *msg);
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// Key Extractor interface
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virtual bool ExportKeyingMaterial(const std::string& label,
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const uint8* context,
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size_t context_len,
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bool use_context,
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uint8* result,
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size_t result_len);
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// DTLS-SRTP interface
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virtual bool SetDtlsSrtpCiphers(const std::vector<std::string>& ciphers);
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virtual bool GetDtlsSrtpCipher(std::string* cipher);
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// Capabilities interfaces
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static bool HaveDtls();
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static bool HaveDtlsSrtp();
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static bool HaveExporter();
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protected:
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// Override SSLStreamAdapter
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virtual void OnEvent(StreamInterface* stream, int events, int err);
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// Override SSLStreamAdapterHelper
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virtual int BeginSSL();
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virtual void Cleanup();
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virtual bool GetDigestLength(const std::string& algorithm, size_t* length) {
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return NSSCertificate::GetDigestLength(algorithm, length);
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}
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private:
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int ContinueSSL();
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static SECStatus AuthCertificateHook(void *arg, PRFileDesc *fd,
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PRBool checksig, PRBool isServer);
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static SECStatus GetClientAuthDataHook(void *arg, PRFileDesc *fd,
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CERTDistNames *caNames,
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CERTCertificate **pRetCert,
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SECKEYPrivateKey **pRetKey);
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PRFileDesc *ssl_fd_; // NSS's SSL file descriptor
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static bool initialized; // Was InitializeSSL() called?
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bool cert_ok_; // Did we get and check a cert
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std::vector<PRUint16> srtp_ciphers_; // SRTP cipher list
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static PRDescIdentity nspr_layer_identity; // The NSPR layer identity
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};
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} // namespace rtc
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#endif // WEBRTC_BASE_NSSSTREAMADAPTER_H_
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