TBR=wu Review URL: https://webrtc-codereview.appspot.com/2389004 git-svn-id: http://webrtc.googlecode.com/svn/trunk@4954 4adac7df-926f-26a2-2b94-8c16560cd09d
		
			
				
	
	
		
			140 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			140 lines
		
	
	
		
			4.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*
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 * libjingle
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 * Copyright 2004--2008, Google Inc.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions are met:
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 *
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 *  1. Redistributions of source code must retain the above copyright notice,
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 *     this list of conditions and the following disclaimer.
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 *  2. Redistributions in binary form must reproduce the above copyright notice,
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 *     this list of conditions and the following disclaimer in the documentation
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 *     and/or other materials provided with the distribution.
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 *  3. The name of the author may not be used to endorse or promote products
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 *     derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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#ifndef TALK_BASE_NSSIDENTITY_H_
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#define TALK_BASE_NSSIDENTITY_H_
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#include <string>
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#include "cert.h"
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#include "nspr.h"
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#include "hasht.h"
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#include "keythi.h"
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#include "talk/base/common.h"
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#include "talk/base/logging.h"
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#include "talk/base/scoped_ptr.h"
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#include "talk/base/sslidentity.h"
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namespace talk_base {
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class NSSKeyPair {
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 public:
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  NSSKeyPair(SECKEYPrivateKey* privkey, SECKEYPublicKey* pubkey) :
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      privkey_(privkey), pubkey_(pubkey) {}
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  ~NSSKeyPair();
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  // Generate a 1024-bit RSA key pair.
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  static NSSKeyPair* Generate();
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  NSSKeyPair* GetReference();
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  SECKEYPrivateKey* privkey() const { return privkey_; }
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  SECKEYPublicKey * pubkey() const { return pubkey_; }
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 private:
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  SECKEYPrivateKey* privkey_;
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  SECKEYPublicKey* pubkey_;
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  DISALLOW_EVIL_CONSTRUCTORS(NSSKeyPair);
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};
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class NSSCertificate : public SSLCertificate {
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 public:
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  static NSSCertificate* FromPEMString(const std::string& pem_string);
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  // The caller retains ownership of the argument to all the constructors,
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  // and the constructor makes a copy.
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  explicit NSSCertificate(CERTCertificate* cert);
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  explicit NSSCertificate(CERTCertList* cert_list);
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  virtual ~NSSCertificate() {
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    if (certificate_)
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      CERT_DestroyCertificate(certificate_);
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  }
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  virtual NSSCertificate* GetReference() const;
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  virtual std::string ToPEMString() const;
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  virtual void ToDER(Buffer* der_buffer) const;
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  virtual bool GetSignatureDigestAlgorithm(std::string* algorithm) const;
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  virtual bool ComputeDigest(const std::string& algorithm,
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                             unsigned char* digest, std::size_t size,
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                             std::size_t* length) const;
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  virtual bool GetChain(SSLCertChain** chain) const;
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  CERTCertificate* certificate() { return certificate_; }
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  // Helper function to get the length of a digest
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  static bool GetDigestLength(const std::string& algorithm,
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                              std::size_t* length);
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  // Comparison.  Only the certificate itself is considered, not the chain.
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  bool Equals(const NSSCertificate* tocompare) const;
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 private:
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  NSSCertificate(CERTCertificate* cert, SSLCertChain* chain);
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  static bool GetDigestObject(const std::string& algorithm,
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                              const SECHashObject** hash_object);
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  CERTCertificate* certificate_;
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  scoped_ptr<SSLCertChain> chain_;
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  DISALLOW_EVIL_CONSTRUCTORS(NSSCertificate);
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};
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// Represents a SSL key pair and certificate for NSS.
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class NSSIdentity : public SSLIdentity {
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 public:
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  static NSSIdentity* Generate(const std::string& common_name);
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  static SSLIdentity* FromPEMStrings(const std::string& private_key,
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                                     const std::string& certificate);
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  virtual ~NSSIdentity() {
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    LOG(LS_INFO) << "Destroying NSS identity";
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  }
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  virtual NSSIdentity* GetReference() const;
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  virtual NSSCertificate& certificate() const;
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  NSSKeyPair* keypair() const { return keypair_.get(); }
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 private:
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  NSSIdentity(NSSKeyPair* keypair, NSSCertificate* cert) :
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      keypair_(keypair), certificate_(cert) {}
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  talk_base::scoped_ptr<NSSKeyPair> keypair_;
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  talk_base::scoped_ptr<NSSCertificate> certificate_;
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  DISALLOW_EVIL_CONSTRUCTORS(NSSIdentity);
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};
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}  // namespace talk_base
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#endif  // TALK_BASE_NSSIDENTITY_H_
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