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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::exportToBuffer(gss_buffer_t buffer) const
311 buffer->value = NULL;
315 gss_eap_saml_assertion_provider::initFromBuffer(const gss_eap_attr_ctx *ctx GSSEAP_UNUSED,
316 const gss_buffer_t buffer GSSEAP_UNUSED)
322 gss_eap_saml_assertion_provider::init(void)
324 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML_ASSERTION,
325 "urn:ietf:params:gss-eap:saml-aaa-assertion",
331 gss_eap_saml_assertion_provider::finalize(void)
333 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML_ASSERTION);
336 gss_eap_attr_provider *
337 gss_eap_saml_assertion_provider::createAttrContext(void)
339 return new gss_eap_saml_assertion_provider;
343 gss_eap_saml_assertion_provider::initAssertion(void)
346 m_assertion = saml2::AssertionBuilder::buildAssertion();
347 m_authenticated = false;
353 * gss_eap_saml_attr_provider is for retrieving the underlying attributes.
356 gss_eap_saml_attr_provider::getAssertion(int *authenticated,
357 saml2::Assertion **pAssertion,
358 bool createIfAbsent) const
360 gss_eap_saml_assertion_provider *saml;
362 if (authenticated != NULL)
363 *authenticated = false;
364 if (pAssertion != NULL)
367 saml = static_cast<const gss_eap_saml_assertion_provider *>
368 (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
372 if (authenticated != NULL)
373 *authenticated = saml->authenticated();
374 if (pAssertion != NULL)
375 *pAssertion = saml->getAssertion();
377 if (saml->getAssertion() == NULL) {
378 if (createIfAbsent) {
379 if (authenticated != NULL)
380 *authenticated = false;
381 if (pAssertion != NULL)
382 *pAssertion = saml->initAssertion();
391 gss_eap_saml_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
394 saml2::Assertion *assertion;
397 if (!getAssertion(&authenticated, &assertion))
401 * Note: the first prefix is added by the attribute provider manager
403 * From draft-hartman-gss-eap-naming-00:
405 * Each attribute carried in the assertion SHOULD also be a GSS name
406 * attribute. The name of this attribute has three parts, all separated
407 * by an ASCII space character. The first part is
408 * urn:ietf:params:gss-eap:saml-attr. The second part is the URI for
409 * the SAML attribute name format. The final part is the name of the
410 * SAML attribute. If the mechanism performs an additional attribute
411 * query, the retrieved attributes SHOULD be GSS-API name attributes
412 * using the same name syntax.
414 /* For each attribute statement, look for an attribute match */
415 const vector <saml2::AttributeStatement *> &statements =
416 const_cast<const saml2::Assertion *>(assertion)->getAttributeStatements();
418 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
419 s != statements.end();
421 const vector<saml2::Attribute*> &attrs =
422 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
424 for (vector<saml2::Attribute*>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
425 const XMLCh *attributeName, *attributeNameFormat;
426 XMLCh *qualifiedName;
427 XMLCh space[2] = { ' ', 0 };
428 gss_buffer_desc utf8;
431 attributeName = (*a)->getName();
432 attributeNameFormat = (*a)->getNameFormat();
433 if (attributeNameFormat == NULL || attributeNameFormat[0] == '\0')
434 attributeNameFormat = saml2::Attribute::UNSPECIFIED;
436 qualifiedName = new XMLCh[XMLString::stringLen(attributeNameFormat) + 1 +
437 XMLString::stringLen(attributeName) + 1];
438 XMLString::copyString(qualifiedName, attributeNameFormat);
439 XMLString::catString(qualifiedName, space);
440 XMLString::catString(qualifiedName, attributeName);
442 utf8.value = (void *)toUTF8(qualifiedName);
443 utf8.length = strlen((char *)utf8.value);
445 ret = addAttribute(this, &utf8, data);
447 delete qualifiedName;
457 static BaseRefVectorOf<XMLCh> *
458 decomposeAttributeName(const gss_buffer_t attr)
460 XMLCh *qualifiedAttr = new XMLCh[attr->length + 1];
461 XMLString::transcode((const char *)attr->value, qualifiedAttr, attr->length);
463 BaseRefVectorOf<XMLCh> *components = XMLString::tokenizeString(qualifiedAttr);
465 delete qualifiedAttr;
467 if (components->size() != 2) {
476 gss_eap_saml_attr_provider::setAttribute(int complete GSSEAP_UNUSED,
477 const gss_buffer_t attr,
478 const gss_buffer_t value)
480 saml2::Assertion *assertion;
481 saml2::Attribute *attribute;
482 saml2::AttributeValue *attributeValue;
483 saml2::AttributeStatement *attributeStatement;
485 if (!getAssertion(NULL, &assertion, true))
488 if (assertion->getAttributeStatements().size() != 0) {
489 attributeStatement = assertion->getAttributeStatements().front();
491 attributeStatement = saml2::AttributeStatementBuilder::buildAttributeStatement();
492 assertion->getAttributeStatements().push_back(attributeStatement);
495 /* Check the attribute name consists of name format | whsp | name */
496 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
497 if (components == NULL)
500 attribute = saml2::AttributeBuilder::buildAttribute();
501 attribute->setNameFormat(components->elementAt(0));
502 attribute->setName(components->elementAt(1));
504 XMLCh *xmlValue = new XMLCh[value->length + 1];
505 XMLString::transcode((const char *)value->value, xmlValue, attr->length);
507 attributeValue = saml2::AttributeValueBuilder::buildAttributeValue();
508 attributeValue->setTextContent(xmlValue);
510 attribute->getAttributeValues().push_back(attributeValue);
512 assert(attributeStatement != NULL);
513 attributeStatement->getAttributes().push_back(attribute);
522 gss_eap_saml_attr_provider::deleteAttribute(const gss_buffer_t attr)
524 saml2::Assertion *assertion;
527 if (!getAssertion(NULL, &assertion) ||
528 assertion->getAttributeStatements().size() == 0)
531 /* Check the attribute name consists of name format | whsp | name */
532 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
533 if (components == NULL)
536 /* For each attribute statement, look for an attribute match */
537 const vector<saml2::AttributeStatement *> &statements =
538 const_cast<const saml2::Assertion *>(assertion)->getAttributeStatements();
540 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
541 s != statements.end();
543 const vector<saml2::Attribute *> &attrs =
544 const_cast<const saml2::AttributeStatement *>(*s)->getAttributes();
545 ssize_t index = -1, i = 0;
547 /* There's got to be an easier way to do this */
548 for (vector<saml2::Attribute *>::const_iterator a = attrs.begin();
551 if (XMLString::equals((*a)->getNameFormat(), components->elementAt(0)) &&
552 XMLString::equals((*a)->getName(), components->elementAt(1))) {
559 (*s)->getAttributes().erase((*s)->getAttributes().begin() + index);
570 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
573 const saml2::Attribute **pAttribute) const
575 saml2::Assertion *assertion;
577 if (authenticated != NULL)
578 *authenticated = false;
579 if (complete != NULL)
583 if (!getAssertion(authenticated, &assertion) ||
584 assertion->getAttributeStatements().size() == 0)
587 /* Check the attribute name consists of name format | whsp | name */
588 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
589 if (components == NULL)
592 /* For each attribute statement, look for an attribute match */
593 const vector <saml2::AttributeStatement *> &statements =
594 const_cast<const saml2::Assertion *>(assertion)->getAttributeStatements();
595 const saml2::Attribute *ret = NULL;
597 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
598 s != statements.end();
600 const vector<saml2::Attribute *> &attrs =
601 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
603 for (vector<saml2::Attribute *>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
604 const XMLCh *attributeName, *attributeNameFormat;
606 attributeName = (*a)->getName();
607 attributeNameFormat = (*a)->getNameFormat();
608 if (attributeNameFormat == NULL || attributeNameFormat[0] == '\0')
609 attributeNameFormat = saml2::Attribute::UNSPECIFIED;
611 if (XMLString::equals(attributeNameFormat, components->elementAt(0)) &&
612 XMLString::equals(attributeName, components->elementAt(1))) {
626 return (ret != NULL);
630 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
634 gss_buffer_t display_value,
637 const saml2::Attribute *a;
638 const saml2::AttributeValue *av;
639 int nvalues, i = *more;
643 if (!getAttribute(attr, authenticated, complete, &a))
646 nvalues = a->getAttributeValues().size();
650 else if (i >= nvalues)
653 av = (const saml2::AttributeValue *)((void *)(a->getAttributeValues().at(i)));
655 av = dynamic_cast<const saml2::AttributeValue *>(a->getAttributeValues().at(i));
659 value->value = toUTF8(av->getTextContent(), true);
660 value->length = strlen((char *)value->value);
662 if (display_value != NULL) {
663 display_value->value = toUTF8(av->getTextContent(), true);
664 display_value->length = strlen((char *)value->value);
675 gss_eap_saml_attr_provider::mapToAny(int authenticated GSSEAP_UNUSED,
676 gss_buffer_t type_id GSSEAP_UNUSED) const
678 return (gss_any_t)NULL;
682 gss_eap_saml_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id GSSEAP_UNUSED,
683 gss_any_t input GSSEAP_UNUSED) const
688 gss_eap_saml_attr_provider::exportToBuffer(gss_buffer_t buffer) const
691 buffer->value = NULL;
695 gss_eap_saml_attr_provider::initFromBuffer(const gss_eap_attr_ctx *ctx GSSEAP_UNUSED,
696 const gss_buffer_t buffer GSSEAP_UNUSED)
702 gss_eap_saml_attr_provider::init(void)
704 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML,
705 "urn:ietf:params:gss-eap:saml-attr",
711 gss_eap_saml_attr_provider::finalize(void)
713 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML);
716 gss_eap_attr_provider *
717 gss_eap_saml_attr_provider::createAttrContext(void)
719 return new gss_eap_saml_attr_provider;
723 gssEapSamlAttrProvidersInit(OM_uint32 *minor)
725 if (!gss_eap_saml_assertion_provider::init() ||
726 !gss_eap_saml_attr_provider::init()) {
727 *minor = GSSEAP_SAML_INIT_FAILURE;
728 return GSS_S_FAILURE;
731 return GSS_S_COMPLETE;
735 gssEapSamlAttrProvidersFinalize(OM_uint32 *minor)
737 gss_eap_saml_attr_provider::finalize();
738 gss_eap_saml_assertion_provider::finalize();
741 return GSS_S_COMPLETE;