2 * Copyright 2001-2009 Internet2
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
18 * CredentialCriteria.cpp
20 * Class for specifying criteria by which a CredentialResolver should resolve credentials.
25 #include "XMLToolingConfig.h"
26 #include "security/X509Credential.h"
27 #include "security/CredentialCriteria.h"
28 #include "security/KeyInfoResolver.h"
29 #include "security/SecurityHelper.h"
30 #include "signature/Signature.h"
32 #include <openssl/dsa.h>
33 #include <openssl/rsa.h>
34 #include <xsec/dsig/DSIGKeyInfoList.hpp>
35 #include <xsec/enc/OpenSSL/OpenSSLCryptoKeyDSA.hpp>
36 #include <xsec/enc/OpenSSL/OpenSSLCryptoKeyRSA.hpp>
38 using xmlsignature::KeyInfo;
39 using xmlsignature::Signature;
40 using namespace xmltooling;
43 CredentialCriteria::CredentialCriteria()
44 : m_keyUsage(Credential::UNSPECIFIED_CREDENTIAL), m_keySize(0), m_key(NULL),
45 m_keyInfo(NULL), m_nativeKeyInfo(NULL), m_credential(NULL)
49 CredentialCriteria::~CredentialCriteria()
54 unsigned int CredentialCriteria::getUsage() const
59 void CredentialCriteria::setUsage(unsigned int usage)
64 const char* CredentialCriteria::getPeerName() const
66 return m_peerName.c_str();
69 void CredentialCriteria::setPeerName(const char* peerName)
73 m_peerName = peerName;
76 const char* CredentialCriteria::getKeyAlgorithm() const
78 return m_keyAlgorithm.c_str();
81 void CredentialCriteria::setKeyAlgorithm(const char* keyAlgorithm)
83 m_keyAlgorithm.erase();
85 m_keyAlgorithm = keyAlgorithm;
88 unsigned int CredentialCriteria::getKeySize() const
93 void CredentialCriteria::setKeySize(unsigned int keySize)
98 void CredentialCriteria::setXMLAlgorithm(const XMLCh* algorithm)
101 pair<const char*,unsigned int> mapped = XMLToolingConfig::getConfig().mapXMLAlgorithmToKeyAlgorithm(algorithm);
102 setKeyAlgorithm(mapped.first);
103 setKeySize(mapped.second);
106 setKeyAlgorithm(NULL);
111 const set<string>& CredentialCriteria::getKeyNames() const
116 set<string>& CredentialCriteria::getKeyNames()
121 XSECCryptoKey* CredentialCriteria::getPublicKey() const
126 void CredentialCriteria::setPublicKey(XSECCryptoKey* key)
131 const KeyInfo* CredentialCriteria::getKeyInfo() const
136 void CredentialCriteria::setKeyInfo(const KeyInfo* keyInfo, int extraction)
141 if (!keyInfo || !extraction)
144 int types = (extraction & KEYINFO_EXTRACTION_KEY) ? Credential::RESOLVE_KEYS : 0;
145 types |= (extraction & KEYINFO_EXTRACTION_KEYNAMES) ? X509Credential::RESOLVE_CERTS : 0;
146 m_credential = XMLToolingConfig::getConfig().getKeyInfoResolver()->resolve(keyInfo,types);
148 // Ensure any key names have been sucked out for later if desired.
149 if (extraction & KEYINFO_EXTRACTION_KEYNAMES) {
150 X509Credential* xcred = dynamic_cast<X509Credential*>(m_credential);
156 DSIGKeyInfoList* CredentialCriteria::getNativeKeyInfo() const
158 return m_nativeKeyInfo;
161 void CredentialCriteria::setNativeKeyInfo(DSIGKeyInfoList* keyInfo, int extraction)
165 m_nativeKeyInfo = keyInfo;
166 if (!keyInfo || !extraction)
169 int types = (extraction & KEYINFO_EXTRACTION_KEY) ? Credential::RESOLVE_KEYS : 0;
170 types |= (extraction & KEYINFO_EXTRACTION_KEYNAMES) ? X509Credential::RESOLVE_CERTS : 0;
171 m_credential = XMLToolingConfig::getConfig().getKeyInfoResolver()->resolve(keyInfo,types);
173 // Ensure any key names have been sucked out for later if desired.
174 if (extraction & KEYINFO_EXTRACTION_KEYNAMES) {
175 X509Credential* xcred = dynamic_cast<X509Credential*>(m_credential);
181 void CredentialCriteria::setSignature(const Signature& sig, int extraction)
183 setXMLAlgorithm(sig.getSignatureAlgorithm());
184 KeyInfo* k = sig.getKeyInfo();
186 return setKeyInfo(k, extraction);
187 DSIGSignature* dsig = sig.getXMLSignature();
189 setNativeKeyInfo(dsig->getKeyInfoList(), extraction);
192 bool CredentialCriteria::matches(const Credential& credential) const
194 // Usage check, if specified and we have one, compare masks.
195 if (getUsage() != Credential::UNSPECIFIED_CREDENTIAL) {
196 if (credential.getUsage() != Credential::UNSPECIFIED_CREDENTIAL)
197 if ((getUsage() & credential.getUsage()) == 0)
201 // Algorithm check, if specified and we have one.
202 const char* alg = getKeyAlgorithm();
204 const char* alg2 = credential.getAlgorithm();
206 if (strcmp(alg,alg2))
210 // KeySize check, if specified and we have one.
211 if (credential.getKeySize()>0 && getKeySize()>0 && credential.getKeySize() != getKeySize())
214 // See if we can test key names.
215 set<string> critnames = getKeyNames();
217 critnames.insert(m_credential->getKeyNames().begin(), m_credential->getKeyNames().end());
218 const set<string>& crednames = credential.getKeyNames();
219 if (!critnames.empty() && !crednames.empty()) {
221 for (set<string>::const_iterator n = critnames.begin(); n!=critnames.end(); ++n) {
222 if (crednames.count(*n)>0) {
231 // See if we have to match a specific key.
232 const XSECCryptoKey* key1 = getPublicKey();
233 if (!key1 && m_credential)
234 key1 = m_credential->getPublicKey();
236 return true; // no key to compare against, so we're done
238 const XSECCryptoKey* key2 = credential.getPublicKey();
240 return true; // no key here, so we can't test it
242 return SecurityHelper::matches(*key1, *key2);