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34 * SAML attribute provider implementation.
37 #include "gssapiP_eap.h"
41 #include <xercesc/util/XMLUniDefs.hpp>
42 #include <xmltooling/unicode.h>
43 #include <xmltooling/XMLToolingConfig.h>
44 #include <xmltooling/util/XMLHelper.h>
45 #include <xmltooling/util/ParserPool.h>
46 #include <xmltooling/util/DateTime.h>
48 #include <saml/exceptions.h>
49 #include <saml/saml1/core/Assertions.h>
50 #include <saml/saml2/core/Assertions.h>
51 #include <saml/saml2/metadata/Metadata.h>
52 #include <saml/saml2/metadata/MetadataProvider.h>
54 using namespace xmltooling;
55 using namespace opensaml::saml2md;
56 using namespace opensaml;
57 using namespace xercesc;
61 * gss_eap_saml_assertion_provider is for retrieving the underlying
64 gss_eap_saml_assertion_provider::gss_eap_saml_assertion_provider(void)
67 m_authenticated = false;
70 gss_eap_saml_assertion_provider::~gss_eap_saml_assertion_provider(void)
76 gss_eap_saml_assertion_provider::initFromExistingContext(const gss_eap_attr_ctx *manager,
77 const gss_eap_attr_provider *ctx)
79 /* Then we may be creating from an existing attribute context */
80 const gss_eap_saml_assertion_provider *saml;
82 assert(m_assertion == NULL);
84 if (!gss_eap_attr_provider::initFromExistingContext(manager, ctx))
87 saml = static_cast<const gss_eap_saml_assertion_provider *>(ctx);
88 setAssertion(saml->getAssertion(), saml->authenticated());
94 gss_eap_saml_assertion_provider::initFromGssContext(const gss_eap_attr_ctx *manager,
95 const gss_cred_id_t gssCred,
96 const gss_ctx_id_t gssCtx)
98 const gss_eap_radius_attr_provider *radius;
99 gss_buffer_desc value = GSS_C_EMPTY_BUFFER;
100 int authenticated, complete;
103 assert(m_assertion == NULL);
105 if (!gss_eap_attr_provider::initFromGssContext(manager, gssCred, gssCtx))
109 * XXX TODO we need to support draft-howlett-radius-saml-attr-00
111 radius = static_cast<const gss_eap_radius_attr_provider *>
112 (m_manager->getProvider(ATTR_TYPE_RADIUS));
113 if (radius != NULL &&
114 radius->getFragmentedAttribute(PW_SAML_AAA_ASSERTION,
116 &authenticated, &complete, &value)) {
117 setAssertion(&value, authenticated);
118 gss_release_buffer(&minor, &value);
127 gss_eap_saml_assertion_provider::setAssertion(const saml2::Assertion *assertion,
133 if (assertion != NULL) {
135 m_assertion = (saml2::Assertion *)((void *)assertion->clone());
137 m_assertion = dynamic_cast<saml2::Assertion *>(assertion->clone());
139 m_authenticated = authenticated;
142 m_authenticated = false;
147 gss_eap_saml_assertion_provider::setAssertion(const gss_buffer_t buffer,
152 m_assertion = parseAssertion(buffer);
153 m_authenticated = (m_assertion != NULL && authenticated);
157 gss_eap_saml_assertion_provider::parseAssertion(const gss_buffer_t buffer)
159 string str((char *)buffer->value, buffer->length);
160 istringstream istream(str);
162 const XMLObjectBuilder *b;
165 doc = XMLToolingConfig::getConfig().getParser().parse(istream);
169 b = XMLObjectBuilder::getBuilder(doc->getDocumentElement());
172 return (saml2::Assertion *)((void *)b->buildFromDocument(doc));
174 return dynamic_cast<saml2::Assertion *>(b->buildFromDocument(doc));
176 } catch (exception &e) {
182 gss_eap_saml_assertion_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
187 /* just add the prefix */
188 if (m_assertion != NULL)
189 ret = addAttribute(this, GSS_C_NO_BUFFER, data);
197 gss_eap_saml_assertion_provider::setAttribute(int complete GSSEAP_UNUSED,
198 const gss_buffer_t attr,
199 const gss_buffer_t value)
201 if (attr == GSS_C_NO_BUFFER || attr->length == 0) {
210 gss_eap_saml_assertion_provider::deleteAttribute(const gss_buffer_t value GSSEAP_UNUSED)
214 m_authenticated = false;
220 gss_eap_saml_assertion_provider::getExpiryTime(void) const
222 saml2::Conditions *conditions;
223 time_t expiryTime = 0;
225 if (m_assertion == NULL)
228 conditions = m_assertion->getConditions();
230 if (conditions != NULL && conditions->getNotOnOrAfter() != NULL)
231 expiryTime = conditions->getNotOnOrAfter()->getEpoch();
237 gss_eap_saml_assertion_provider::mapException(OM_uint32 *minor,
238 std::exception &e) const
240 if (typeid(e) == typeid(SecurityPolicyException))
241 *minor = GSSEAP_SAML_SEC_POLICY_FAILURE;
242 else if (typeid(e) == typeid(BindingException))
243 *minor = GSSEAP_SAML_BINDING_FAILURE;
244 else if (typeid(e) == typeid(ProfileException))
245 *minor = GSSEAP_SAML_PROFILE_FAILURE;
246 else if (typeid(e) == typeid(FatalProfileException))
247 *minor = GSSEAP_SAML_FATAL_PROFILE_FAILURE;
248 else if (typeid(e) == typeid(RetryableProfileException))
249 *minor = GSSEAP_SAML_RETRY_PROFILE_FAILURE;
250 else if (typeid(e) == typeid(MetadataException))
251 *minor = GSSEAP_SAML_METADATA_FAILURE;
253 return GSS_S_CONTINUE_NEEDED;
255 return GSS_S_FAILURE;
259 gss_eap_saml_assertion_provider::getAttribute(const gss_buffer_t attr,
263 gss_buffer_t display_value GSSEAP_UNUSED,
268 if (attr != GSS_C_NO_BUFFER && attr->length != 0)
271 if (m_assertion == NULL)
277 if (authenticated != NULL)
278 *authenticated = m_authenticated;
279 if (complete != NULL)
282 XMLHelper::serialize(m_assertion->marshall((DOMDocument *)NULL), str);
284 duplicateBuffer(str, value);
291 gss_eap_saml_assertion_provider::mapToAny(int authenticated,
292 gss_buffer_t type_id GSSEAP_UNUSED) const
294 if (authenticated && !m_authenticated)
295 return (gss_any_t)NULL;
297 return (gss_any_t)m_assertion;
301 gss_eap_saml_assertion_provider::releaseAnyNameMapping(gss_buffer_t type_id GSSEAP_UNUSED,
302 gss_any_t input) const
304 delete ((saml2::Assertion *)input);
308 gss_eap_saml_assertion_provider::init(void)
310 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML_ASSERTION,
311 "urn:ietf:params:gss-eap:saml-aaa-assertion",
317 gss_eap_saml_assertion_provider::finalize(void)
319 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML_ASSERTION);
322 gss_eap_attr_provider *
323 gss_eap_saml_assertion_provider::createAttrContext(void)
325 return new gss_eap_saml_assertion_provider;
329 gss_eap_saml_assertion_provider::initAssertion(void)
332 m_assertion = saml2::AssertionBuilder::buildAssertion();
333 m_authenticated = false;
339 * gss_eap_saml_attr_provider is for retrieving the underlying attributes.
342 gss_eap_saml_attr_provider::getAssertion(int *authenticated,
343 saml2::Assertion **pAssertion,
344 bool createIfAbsent) const
346 gss_eap_saml_assertion_provider *saml;
348 if (authenticated != NULL)
349 *authenticated = false;
350 if (pAssertion != NULL)
353 saml = static_cast<const gss_eap_saml_assertion_provider *>
354 (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
358 if (authenticated != NULL)
359 *authenticated = saml->authenticated();
360 if (pAssertion != NULL)
361 *pAssertion = saml->getAssertion();
363 if (saml->getAssertion() == NULL) {
364 if (createIfAbsent) {
365 if (authenticated != NULL)
366 *authenticated = false;
367 if (pAssertion != NULL)
368 *pAssertion = saml->initAssertion();
377 gss_eap_saml_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
380 saml2::Assertion *assertion;
383 if (!getAssertion(&authenticated, &assertion))
387 * Note: the first prefix is added by the attribute provider manager
389 * From draft-hartman-gss-eap-naming-00:
391 * Each attribute carried in the assertion SHOULD also be a GSS name
392 * attribute. The name of this attribute has three parts, all separated
393 * by an ASCII space character. The first part is
394 * urn:ietf:params:gss-eap:saml-attr. The second part is the URI for
395 * the SAML attribute name format. The final part is the name of the
396 * SAML attribute. If the mechanism performs an additional attribute
397 * query, the retrieved attributes SHOULD be GSS-API name attributes
398 * using the same name syntax.
400 /* For each attribute statement, look for an attribute match */
401 const vector <saml2::AttributeStatement *> &statements =
402 const_cast<const saml2::Assertion *>(assertion)->getAttributeStatements();
404 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
405 s != statements.end();
407 const vector<saml2::Attribute*> &attrs =
408 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
410 for (vector<saml2::Attribute*>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
411 const XMLCh *attributeName, *attributeNameFormat;
412 XMLCh *qualifiedName;
413 XMLCh space[2] = { ' ', 0 };
414 gss_buffer_desc utf8;
417 attributeName = (*a)->getName();
418 attributeNameFormat = (*a)->getNameFormat();
419 if (attributeNameFormat == NULL || attributeNameFormat[0] == '\0')
420 attributeNameFormat = saml2::Attribute::UNSPECIFIED;
422 qualifiedName = new XMLCh[XMLString::stringLen(attributeNameFormat) + 1 +
423 XMLString::stringLen(attributeName) + 1];
424 XMLString::copyString(qualifiedName, attributeNameFormat);
425 XMLString::catString(qualifiedName, space);
426 XMLString::catString(qualifiedName, attributeName);
428 utf8.value = (void *)toUTF8(qualifiedName);
429 utf8.length = strlen((char *)utf8.value);
431 ret = addAttribute(this, &utf8, data);
433 delete qualifiedName;
443 static BaseRefVectorOf<XMLCh> *
444 decomposeAttributeName(const gss_buffer_t attr)
446 XMLCh *qualifiedAttr = new XMLCh[attr->length + 1];
447 XMLString::transcode((const char *)attr->value, qualifiedAttr, attr->length);
449 BaseRefVectorOf<XMLCh> *components = XMLString::tokenizeString(qualifiedAttr);
451 delete qualifiedAttr;
453 if (components->size() != 2) {
462 gss_eap_saml_attr_provider::setAttribute(int complete GSSEAP_UNUSED,
463 const gss_buffer_t attr,
464 const gss_buffer_t value)
466 saml2::Assertion *assertion;
467 saml2::Attribute *attribute;
468 saml2::AttributeValue *attributeValue;
469 saml2::AttributeStatement *attributeStatement;
471 if (!getAssertion(NULL, &assertion, true))
474 if (assertion->getAttributeStatements().size() != 0) {
475 attributeStatement = assertion->getAttributeStatements().front();
477 attributeStatement = saml2::AttributeStatementBuilder::buildAttributeStatement();
478 assertion->getAttributeStatements().push_back(attributeStatement);
481 /* Check the attribute name consists of name format | whsp | name */
482 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
483 if (components == NULL)
486 attribute = saml2::AttributeBuilder::buildAttribute();
487 attribute->setNameFormat(components->elementAt(0));
488 attribute->setName(components->elementAt(1));
490 XMLCh *xmlValue = new XMLCh[value->length + 1];
491 XMLString::transcode((const char *)value->value, xmlValue, attr->length);
493 attributeValue = saml2::AttributeValueBuilder::buildAttributeValue();
494 attributeValue->setTextContent(xmlValue);
496 attribute->getAttributeValues().push_back(attributeValue);
498 assert(attributeStatement != NULL);
499 attributeStatement->getAttributes().push_back(attribute);
508 gss_eap_saml_attr_provider::deleteAttribute(const gss_buffer_t attr)
510 saml2::Assertion *assertion;
513 if (!getAssertion(NULL, &assertion) ||
514 assertion->getAttributeStatements().size() == 0)
517 /* Check the attribute name consists of name format | whsp | name */
518 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
519 if (components == NULL)
522 /* For each attribute statement, look for an attribute match */
523 const vector<saml2::AttributeStatement *> &statements =
524 const_cast<const saml2::Assertion *>(assertion)->getAttributeStatements();
526 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
527 s != statements.end();
529 const vector<saml2::Attribute *> &attrs =
530 const_cast<const saml2::AttributeStatement *>(*s)->getAttributes();
531 ssize_t index = -1, i = 0;
533 /* There's got to be an easier way to do this */
534 for (vector<saml2::Attribute *>::const_iterator a = attrs.begin();
537 if (XMLString::equals((*a)->getNameFormat(), components->elementAt(0)) &&
538 XMLString::equals((*a)->getName(), components->elementAt(1))) {
545 (*s)->getAttributes().erase((*s)->getAttributes().begin() + index);
556 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
559 const saml2::Attribute **pAttribute) const
561 saml2::Assertion *assertion;
563 if (authenticated != NULL)
564 *authenticated = false;
565 if (complete != NULL)
569 if (!getAssertion(authenticated, &assertion) ||
570 assertion->getAttributeStatements().size() == 0)
573 /* Check the attribute name consists of name format | whsp | name */
574 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
575 if (components == NULL)
578 /* For each attribute statement, look for an attribute match */
579 const vector <saml2::AttributeStatement *> &statements =
580 const_cast<const saml2::Assertion *>(assertion)->getAttributeStatements();
581 const saml2::Attribute *ret = NULL;
583 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
584 s != statements.end();
586 const vector<saml2::Attribute *> &attrs =
587 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
589 for (vector<saml2::Attribute *>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
590 const XMLCh *attributeName, *attributeNameFormat;
592 attributeName = (*a)->getName();
593 attributeNameFormat = (*a)->getNameFormat();
594 if (attributeNameFormat == NULL || attributeNameFormat[0] == '\0')
595 attributeNameFormat = saml2::Attribute::UNSPECIFIED;
597 if (XMLString::equals(attributeNameFormat, components->elementAt(0)) &&
598 XMLString::equals(attributeName, components->elementAt(1))) {
612 return (ret != NULL);
616 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
620 gss_buffer_t display_value,
623 const saml2::Attribute *a;
624 const saml2::AttributeValue *av;
625 int nvalues, i = *more;
629 if (!getAttribute(attr, authenticated, complete, &a))
632 nvalues = a->getAttributeValues().size();
636 else if (i >= nvalues)
639 av = (const saml2::AttributeValue *)((void *)(a->getAttributeValues().at(i)));
641 av = dynamic_cast<const saml2::AttributeValue *>(a->getAttributeValues().at(i));
645 value->value = toUTF8(av->getTextContent(), true);
646 value->length = strlen((char *)value->value);
648 if (display_value != NULL) {
649 display_value->value = toUTF8(av->getTextContent(), true);
650 display_value->length = strlen((char *)value->value);
661 gss_eap_saml_attr_provider::mapToAny(int authenticated GSSEAP_UNUSED,
662 gss_buffer_t type_id GSSEAP_UNUSED) const
664 return (gss_any_t)NULL;
668 gss_eap_saml_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id GSSEAP_UNUSED,
669 gss_any_t input GSSEAP_UNUSED) const
674 gss_eap_saml_attr_provider::init(void)
676 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML,
677 "urn:ietf:params:gss-eap:saml-attr",
683 gss_eap_saml_attr_provider::finalize(void)
685 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML);
688 gss_eap_attr_provider *
689 gss_eap_saml_attr_provider::createAttrContext(void)
691 return new gss_eap_saml_attr_provider;
695 gssEapSamlAttrProvidersInit(OM_uint32 *minor)
697 if (!gss_eap_saml_assertion_provider::init() ||
698 !gss_eap_saml_attr_provider::init()) {
699 *minor = GSSEAP_SAML_INIT_FAILURE;
700 return GSS_S_FAILURE;
703 return GSS_S_COMPLETE;
707 gssEapSamlAttrProvidersFinalize(OM_uint32 *minor)
709 gss_eap_saml_attr_provider::finalize();
710 gss_eap_saml_assertion_provider::finalize();
713 return GSS_S_COMPLETE;