henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * libjingle |
| 3 | * Copyright 2004--2008, Google Inc. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions are met: |
| 7 | * |
| 8 | * 1. Redistributions of source code must retain the above copyright notice, |
| 9 | * this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright notice, |
| 11 | * this list of conditions and the following disclaimer in the documentation |
| 12 | * and/or other materials provided with the distribution. |
| 13 | * 3. The name of the author may not be used to endorse or promote products |
| 14 | * derived from this software without specific prior written permission. |
| 15 | * |
| 16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO |
| 19 | * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 20 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 21 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| 22 | * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| 23 | * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| 24 | * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| 25 | * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 26 | */ |
| 27 | |
| 28 | #ifndef TALK_BASE_NSSIDENTITY_H_ |
| 29 | #define TALK_BASE_NSSIDENTITY_H_ |
| 30 | |
| 31 | #include <string> |
| 32 | |
| 33 | #include "cert.h" |
| 34 | #include "nspr.h" |
| 35 | #include "hasht.h" |
| 36 | #include "keythi.h" |
| 37 | |
| 38 | #include "talk/base/common.h" |
| 39 | #include "talk/base/logging.h" |
| 40 | #include "talk/base/scoped_ptr.h" |
| 41 | #include "talk/base/sslidentity.h" |
| 42 | |
| 43 | namespace talk_base { |
| 44 | |
| 45 | class NSSKeyPair { |
| 46 | public: |
| 47 | NSSKeyPair(SECKEYPrivateKey* privkey, SECKEYPublicKey* pubkey) : |
| 48 | privkey_(privkey), pubkey_(pubkey) {} |
| 49 | ~NSSKeyPair(); |
| 50 | |
| 51 | // Generate a 1024-bit RSA key pair. |
| 52 | static NSSKeyPair* Generate(); |
| 53 | NSSKeyPair* GetReference(); |
| 54 | |
| 55 | SECKEYPrivateKey* privkey() const { return privkey_; } |
| 56 | SECKEYPublicKey * pubkey() const { return pubkey_; } |
| 57 | |
| 58 | private: |
| 59 | SECKEYPrivateKey* privkey_; |
| 60 | SECKEYPublicKey* pubkey_; |
| 61 | |
| 62 | DISALLOW_EVIL_CONSTRUCTORS(NSSKeyPair); |
| 63 | }; |
| 64 | |
| 65 | |
| 66 | class NSSCertificate : public SSLCertificate { |
| 67 | public: |
| 68 | static NSSCertificate* FromPEMString(const std::string& pem_string); |
wu@webrtc.org | 62fe97f | 2013-10-09 15:37:36 +0000 | [diff] [blame] | 69 | // The caller retains ownership of the argument to all the constructors, |
| 70 | // and the constructor makes a copy. |
| 71 | explicit NSSCertificate(CERTCertificate* cert); |
| 72 | explicit NSSCertificate(CERTCertList* cert_list); |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 73 | virtual ~NSSCertificate() { |
| 74 | if (certificate_) |
| 75 | CERT_DestroyCertificate(certificate_); |
| 76 | } |
| 77 | |
| 78 | virtual NSSCertificate* GetReference() const; |
| 79 | |
| 80 | virtual std::string ToPEMString() const; |
| 81 | |
wu@webrtc.org | 62fe97f | 2013-10-09 15:37:36 +0000 | [diff] [blame] | 82 | virtual void ToDER(Buffer* der_buffer) const; |
| 83 | |
mallinath@webrtc.org | 8841d7b | 2013-10-13 17:18:27 +0000 | [diff] [blame] | 84 | virtual bool GetSignatureDigestAlgorithm(std::string* algorithm) const; |
| 85 | |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 86 | virtual bool ComputeDigest(const std::string& algorithm, |
pbos@webrtc.org | b951827 | 2014-03-07 15:22:04 +0000 | [diff] [blame] | 87 | unsigned char* digest, |
| 88 | size_t size, |
| 89 | size_t* length) const; |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 90 | |
wu@webrtc.org | 62fe97f | 2013-10-09 15:37:36 +0000 | [diff] [blame] | 91 | virtual bool GetChain(SSLCertChain** chain) const; |
| 92 | |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 93 | CERTCertificate* certificate() { return certificate_; } |
| 94 | |
wu@webrtc.org | 2a81a38 | 2014-01-03 22:08:47 +0000 | [diff] [blame] | 95 | // Performs minimal checks to determine if the list is a valid chain. This |
| 96 | // only checks that each certificate certifies the preceding certificate, |
| 97 | // and ignores many other certificate features such as expiration dates. |
| 98 | static bool IsValidChain(const CERTCertList* cert_list); |
| 99 | |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 100 | // Helper function to get the length of a digest |
pbos@webrtc.org | b951827 | 2014-03-07 15:22:04 +0000 | [diff] [blame] | 101 | static bool GetDigestLength(const std::string& algorithm, size_t* length); |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 102 | |
wu@webrtc.org | 62fe97f | 2013-10-09 15:37:36 +0000 | [diff] [blame] | 103 | // Comparison. Only the certificate itself is considered, not the chain. |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 104 | bool Equals(const NSSCertificate* tocompare) const; |
| 105 | |
| 106 | private: |
wu@webrtc.org | 62fe97f | 2013-10-09 15:37:36 +0000 | [diff] [blame] | 107 | NSSCertificate(CERTCertificate* cert, SSLCertChain* chain); |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 108 | static bool GetDigestObject(const std::string& algorithm, |
| 109 | const SECHashObject** hash_object); |
| 110 | |
| 111 | CERTCertificate* certificate_; |
wu@webrtc.org | 62fe97f | 2013-10-09 15:37:36 +0000 | [diff] [blame] | 112 | scoped_ptr<SSLCertChain> chain_; |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 113 | |
| 114 | DISALLOW_EVIL_CONSTRUCTORS(NSSCertificate); |
| 115 | }; |
| 116 | |
| 117 | // Represents a SSL key pair and certificate for NSS. |
| 118 | class NSSIdentity : public SSLIdentity { |
| 119 | public: |
| 120 | static NSSIdentity* Generate(const std::string& common_name); |
wu@webrtc.org | 2a81a38 | 2014-01-03 22:08:47 +0000 | [diff] [blame] | 121 | static NSSIdentity* GenerateForTest(const SSLIdentityParams& params); |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 122 | static SSLIdentity* FromPEMStrings(const std::string& private_key, |
| 123 | const std::string& certificate); |
| 124 | virtual ~NSSIdentity() { |
| 125 | LOG(LS_INFO) << "Destroying NSS identity"; |
| 126 | } |
| 127 | |
| 128 | virtual NSSIdentity* GetReference() const; |
| 129 | virtual NSSCertificate& certificate() const; |
| 130 | |
| 131 | NSSKeyPair* keypair() const { return keypair_.get(); } |
| 132 | |
| 133 | private: |
| 134 | NSSIdentity(NSSKeyPair* keypair, NSSCertificate* cert) : |
| 135 | keypair_(keypair), certificate_(cert) {} |
| 136 | |
wu@webrtc.org | 2a81a38 | 2014-01-03 22:08:47 +0000 | [diff] [blame] | 137 | static NSSIdentity* GenerateInternal(const SSLIdentityParams& params); |
| 138 | |
henrike@webrtc.org | 0e118e7 | 2013-07-10 00:45:36 +0000 | [diff] [blame] | 139 | talk_base::scoped_ptr<NSSKeyPair> keypair_; |
| 140 | talk_base::scoped_ptr<NSSCertificate> certificate_; |
| 141 | |
| 142 | DISALLOW_EVIL_CONSTRUCTORS(NSSIdentity); |
| 143 | }; |
| 144 | |
| 145 | } // namespace talk_base |
| 146 | |
| 147 | #endif // TALK_BASE_NSSIDENTITY_H_ |