3 * Copyright 2001-2006 Internet2
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
21 * Library configuration
25 #include "exceptions.h"
26 #include "SAMLConfig.h"
27 #include "binding/SAMLArtifact.h"
28 #include "saml1/core/Assertions.h"
29 #include "saml1/core/Protocols.h"
30 #include "saml2/core/Protocols.h"
31 #include "saml2/metadata/Metadata.h"
32 #include "saml2/metadata/MetadataProvider.h"
33 #include "security/TrustEngine.h"
34 #include "util/SAMLConstants.h"
36 #include <xmltooling/XMLToolingConfig.h>
37 #include <xmltooling/signature/Signature.h>
38 #include <xmltooling/util/NDC.h>
40 #include <log4cpp/Category.hh>
41 #include <xsec/enc/XSECCryptoException.hpp>
42 #include <xsec/enc/XSECCryptoProvider.hpp>
43 #include <xsec/utils/XSECPlatformUtils.hpp>
44 #include <openssl/err.h>
46 using namespace opensaml;
47 using namespace xmlsignature;
48 using namespace xmltooling;
49 using namespace log4cpp;
52 // Expose entry points when used as an extension library
54 extern "C" int SAML_API xmltooling_extension_init(void*)
56 if (SAMLConfig::getConfig().init(false))
61 extern "C" void SAML_API xmltooling_extension_term()
63 SAMLConfig::getConfig().term(false);
66 DECL_EXCEPTION_FACTORY(ArtifactException,opensaml);
67 DECL_EXCEPTION_FACTORY(MetadataFilterException,opensaml::saml2md);
70 SAMLInternalConfig g_config;
73 SAMLConfig& SAMLConfig::getConfig()
78 SAMLInternalConfig& SAMLInternalConfig::getInternalConfig()
83 bool SAMLInternalConfig::init(bool initXMLTooling)
86 xmltooling::NDC ndc("init");
88 Category& log=Category::getInstance(SAML_LOGCAT".SAMLConfig");
89 log.debug("library initialization started");
92 XMLToolingConfig::getConfig().init();
93 log.debug("XMLTooling library initialized");
96 REGISTER_EXCEPTION_FACTORY(ArtifactException,opensaml);
97 REGISTER_EXCEPTION_FACTORY(MetadataFilterException,opensaml::saml2md);
99 registerSAMLArtifacts();
100 saml1::registerAssertionClasses();
101 saml1p::registerProtocolClasses();
102 saml2::registerAssertionClasses();
103 saml2p::registerProtocolClasses();
104 saml2md::registerMetadataClasses();
105 saml2md::registerMetadataProviders();
106 saml2md::registerMetadataFilters();
107 registerTrustEngines();
109 log.info("library initialization complete");
113 void SAMLInternalConfig::term(bool termXMLTooling)
116 xmltooling::NDC ndc("term");
118 Category& log=Category::getInstance(SAML_LOGCAT".SAMLConfig");
120 saml1::AssertionSchemaValidators.destroyValidators();
121 saml1p::ProtocolSchemaValidators.destroyValidators();
122 saml2::AssertionSchemaValidators.destroyValidators();
123 saml2md::MetadataSchemaValidators.destroyValidators();
125 SAMLArtifactManager.deregisterFactories();
126 MetadataFilterManager.deregisterFactories();
127 MetadataProviderManager.deregisterFactories();
128 TrustEngineManager.deregisterFactories();
130 if (termXMLTooling) {
131 XMLToolingConfig::getConfig().term();
132 log.debug("XMLTooling library shut down");
134 log.info("library shutdown complete");
137 void SAMLInternalConfig::generateRandomBytes(void* buf, unsigned int len)
140 if (XSECPlatformUtils::g_cryptoProvider->getRandom(reinterpret_cast<unsigned char*>(buf),len)<len)
141 throw XMLSecurityException("Unable to generate random data; was PRNG seeded?");
143 catch (XSECCryptoException& e) {
144 throw XMLSecurityException("Unable to generate random data: $1",params(1,e.getMsg()));
148 void SAMLInternalConfig::generateRandomBytes(std::string& buf, unsigned int len)
151 auto_ptr<unsigned char> hold(new unsigned char[len]);
152 generateRandomBytes(hold.get(),len);
153 for (unsigned int i=0; i<len; i++)
154 buf+=(hold.get())[i];
157 XMLCh* SAMLInternalConfig::generateIdentifier()
159 unsigned char key[17];
160 generateRandomBytes(key,16);
163 sprintf(hexform,"_%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
164 key[0],key[1],key[2],key[3],key[4],key[5],key[6],key[7],
165 key[8],key[9],key[10],key[11],key[12],key[13],key[14],key[15]);
167 return XMLString::transcode(hexform);
170 string SAMLInternalConfig::hashSHA1(const char* s, bool toHex)
172 static char DIGITS[] = {'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f'};
174 auto_ptr<XSECCryptoHash> hasher(XSECPlatformUtils::g_cryptoProvider->hashSHA1());
176 auto_ptr<char> dup(strdup(s));
177 unsigned char buf[21];
178 hasher->hash(reinterpret_cast<unsigned char*>(dup.get()),strlen(dup.get()));
179 if (hasher->finish(buf,20)==20) {
182 for (unsigned int i=0; i<20; i++) {
183 ret+=(DIGITS[((unsigned char)(0xF0 & buf[i])) >> 4 ]);
184 ret+=(DIGITS[0x0F & buf[i]]);
188 for (unsigned int i=0; i<20; i++) {
195 throw XMLSecurityException("Unable to generate SHA-1 hash.");
198 void opensaml::log_openssl()
204 unsigned long code=ERR_get_error_line_data(&file,&line,&data,&flags);
206 Category& log=Category::getInstance("OpenSSL");
207 log.errorStream() << "error code: " << code << " in " << file << ", line " << line << CategoryStream::ENDLINE;
208 if (data && (flags & ERR_TXT_STRING))
209 log.errorStream() << "error data: " << data << CategoryStream::ENDLINE;
210 code=ERR_get_error_line_data(&file,&line,&data,&flags);