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33 #include "gssapiP_eap.h"
37 #include <xercesc/util/XMLUniDefs.hpp>
38 #include <xmltooling/unicode.h>
39 #include <xmltooling/XMLToolingConfig.h>
40 #include <xmltooling/util/XMLHelper.h>
41 #include <xmltooling/util/ParserPool.h>
42 #include <xmltooling/util/DateTime.h>
44 #include <saml/saml1/core/Assertions.h>
45 #include <saml/saml2/core/Assertions.h>
46 #include <saml/saml2/metadata/Metadata.h>
48 using namespace xmltooling;
49 using namespace opensaml::saml2md;
50 using namespace opensaml;
51 using namespace xercesc;
55 * gss_eap_saml_assertion_provider is for retrieving the underlying
58 gss_eap_saml_assertion_provider::gss_eap_saml_assertion_provider(void)
61 m_authenticated = false;
64 gss_eap_saml_assertion_provider::~gss_eap_saml_assertion_provider(void)
70 gss_eap_saml_assertion_provider::initFromExistingContext(const gss_eap_attr_ctx *manager,
71 const gss_eap_attr_provider *ctx)
73 /* Then we may be creating from an existing attribute context */
74 const gss_eap_saml_assertion_provider *saml;
76 assert(m_assertion == NULL);
78 if (!gss_eap_attr_provider::initFromExistingContext(manager, ctx))
81 saml = static_cast<const gss_eap_saml_assertion_provider *>(ctx);
82 setAssertion(saml->getAssertion(), saml->authenticated());
88 gss_eap_saml_assertion_provider::initFromGssContext(const gss_eap_attr_ctx *manager,
89 const gss_cred_id_t gssCred,
90 const gss_ctx_id_t gssCtx)
92 const gss_eap_radius_attr_provider *radius;
93 gss_buffer_desc value = GSS_C_EMPTY_BUFFER;
94 int authenticated, complete;
97 assert(m_assertion == NULL);
99 if (!gss_eap_attr_provider::initFromGssContext(manager, gssCred, gssCtx))
103 * XXX TODO we need to support draft-howlett-radius-saml-attr-00
105 radius = static_cast<const gss_eap_radius_attr_provider *>
106 (m_manager->getProvider(ATTR_TYPE_RADIUS));
107 if (radius != NULL &&
108 radius->getFragmentedAttribute(VENDOR_ATTR_SAML_AAA_ASSERTION,
110 &authenticated, &complete, &value)) {
111 setAssertion(&value, authenticated);
112 gss_release_buffer(&minor, &value);
121 gss_eap_saml_assertion_provider::setAssertion(const saml2::Assertion *assertion,
127 if (assertion != NULL) {
129 XMLObject *tmp = assertion->clone();
130 m_assertion = dynamic_cast<saml2::Assertion *>(tmp);
131 // m_assertion = dynamic_cast<saml2::Assertion *>(assertion->clone());
133 m_assertion = (saml2::Assertion *)((void *)assertion->clone());
135 m_authenticated = authenticated;
138 m_authenticated = false;
143 gss_eap_saml_assertion_provider::setAssertion(const gss_buffer_t buffer,
148 m_assertion = parseAssertion(buffer);
149 m_authenticated = (m_assertion != NULL && authenticated);
153 gss_eap_saml_assertion_provider::parseAssertion(const gss_buffer_t buffer)
155 string str((char *)buffer->value, buffer->length);
156 istringstream istream(str);
158 const XMLObjectBuilder *b;
160 doc = XMLToolingConfig::getConfig().getParser().parse(istream);
164 b = XMLObjectBuilder::getBuilder(doc->getDocumentElement());
167 return dynamic_cast<saml2::Assertion *>(b->buildFromDocument(doc));
169 return (saml2::Assertion *)((void *)b->buildFromDocument(doc));
174 gss_eap_saml_assertion_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
179 /* just add the prefix */
180 if (m_assertion != NULL)
181 ret = addAttribute(this, GSS_C_NO_BUFFER, data);
189 gss_eap_saml_assertion_provider::setAttribute(int complete,
190 const gss_buffer_t attr,
191 const gss_buffer_t value)
193 if (attr == GSS_C_NO_BUFFER || attr->length == 0) {
199 gss_eap_saml_assertion_provider::deleteAttribute(const gss_buffer_t value)
203 m_authenticated = false;
207 gss_eap_saml_assertion_provider::getExpiryTime(void) const
209 saml2::Conditions *conditions;
210 time_t expiryTime = 0;
212 if (m_assertion == NULL)
215 conditions = m_assertion->getConditions();
217 if (conditions != NULL && conditions->getNotOnOrAfter() != NULL)
218 expiryTime = conditions->getNotOnOrAfter()->getEpoch();
224 gss_eap_saml_assertion_provider::getAttribute(const gss_buffer_t attr,
228 gss_buffer_t display_value,
233 if (attr != GSS_C_NO_BUFFER && attr->length != 0)
236 if (m_assertion == NULL)
242 if (authenticated != NULL)
243 *authenticated = m_authenticated;
244 if (complete != NULL)
247 XMLHelper::serialize(m_assertion->marshall((DOMDocument *)NULL), str);
249 duplicateBuffer(str, value);
256 gss_eap_saml_assertion_provider::mapToAny(int authenticated,
257 gss_buffer_t type_id) const
259 if (authenticated && !m_authenticated)
260 return (gss_any_t)NULL;
262 return (gss_any_t)m_assertion;
266 gss_eap_saml_assertion_provider::releaseAnyNameMapping(gss_buffer_t type_id,
267 gss_any_t input) const
269 delete ((saml2::Assertion *)input);
273 gss_eap_saml_assertion_provider::exportToBuffer(gss_buffer_t buffer) const
279 buffer->value = NULL;
281 if (m_assertion == NULL)
284 sink << *m_assertion;
287 duplicateBuffer(str, buffer);
291 gss_eap_saml_assertion_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
292 const gss_buffer_t buffer)
294 if (!gss_eap_attr_provider::initFromBuffer(ctx, buffer))
297 if (buffer->length == 0)
300 assert(m_assertion == NULL);
302 setAssertion(buffer);
303 /* TODO XXX how to propagate authenticated flag? */
309 gss_eap_saml_assertion_provider::init(void)
311 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML_ASSERTION,
312 "urn:ietf:params:gss-eap:saml-aaa-assertion",
313 gss_eap_saml_assertion_provider::createAttrContext);
318 gss_eap_saml_assertion_provider::finalize(void)
320 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML_ASSERTION);
323 gss_eap_attr_provider *
324 gss_eap_saml_assertion_provider::createAttrContext(void)
326 return new gss_eap_saml_assertion_provider;
330 * gss_eap_saml_attr_provider is for retrieving the underlying attributes.
333 gss_eap_saml_attr_provider::getAssertion(int *authenticated,
334 const saml2::Assertion **pAssertion) const
336 const gss_eap_saml_assertion_provider *saml;
338 if (authenticated != NULL)
339 *authenticated = false;
340 if (pAssertion != NULL)
343 saml = static_cast<const gss_eap_saml_assertion_provider *>
344 (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
348 if (authenticated != NULL)
349 *authenticated = saml->authenticated();
350 if (pAssertion != NULL)
351 *pAssertion = saml->getAssertion();
353 return (saml->getAssertion() != NULL);
357 gss_eap_saml_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
360 const saml2::Assertion *assertion;
364 if (!getAssertion(&authenticated, &assertion))
368 * Note: the first prefix is added by the attribute provider manager
370 * From draft-hartman-gss-eap-naming-00:
372 * Each attribute carried in the assertion SHOULD also be a GSS name
373 * attribute. The name of this attribute has three parts, all separated
374 * by an ASCII space character. The first part is
375 * urn:ietf:params:gss-eap:saml-attr. The second part is the URI for
376 * the SAML attribute name format. The final part is the name of the
377 * SAML attribute. If the mechanism performs an additional attribute
378 * query, the retrieved attributes SHOULD be GSS-API name attributes
379 * using the same name syntax.
381 const vector<saml2::Attribute*>& attrs2 =
382 const_cast<const saml2::AttributeStatement*>(assertion->getAttributeStatements().front())->getAttributes();
383 for (vector<saml2::Attribute*>::const_iterator a = attrs2.begin();
387 const XMLCh *attributeName = (*a)->getName();
388 const XMLCh *attributeNameFormat = (*a)->getNameFormat();
389 XMLCh *qualifiedName;
390 XMLCh space[2] = { ' ', 0 };
391 gss_buffer_desc utf8;
393 qualifiedName = new XMLCh[XMLString::stringLen(attributeNameFormat) + 1 +
394 XMLString::stringLen(attributeName) + 1];
395 XMLString::copyString(qualifiedName, attributeNameFormat);
396 XMLString::catString(qualifiedName, space);
397 XMLString::catString(qualifiedName, attributeName);
399 utf8.value = (void *)toUTF8(qualifiedName);
400 utf8.length = strlen((char *)utf8.value);
402 ret = addAttribute(this, &utf8, data);
404 delete qualifiedName;
414 gss_eap_saml_attr_provider::setAttribute(int complete,
415 const gss_buffer_t attr,
416 const gss_buffer_t value)
421 gss_eap_saml_attr_provider::deleteAttribute(const gss_buffer_t value)
425 static BaseRefVectorOf<XMLCh> *
426 decomposeAttributeName(const gss_buffer_t attr)
428 XMLCh *qualifiedAttr = new XMLCh[attr->length + 1];
429 XMLString::transcode((const char *)attr->value, qualifiedAttr, attr->length);
431 BaseRefVectorOf<XMLCh> *components = XMLString::tokenizeString(qualifiedAttr);
433 delete qualifiedAttr;
439 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
442 const saml2::Attribute **pAttribute) const
444 const saml2::Assertion *assertion;
446 if (authenticated != NULL)
447 *authenticated = false;
448 if (complete != NULL)
452 if (!getAssertion(authenticated, &assertion) ||
453 assertion->getAttributeStatements().size() == 0)
456 /* Check the attribute name consists of name format | whsp | name */
457 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
458 if (components == NULL || components->size() != 2) {
463 /* For each attribute statement, look for an attribute match */
464 const vector <saml2::AttributeStatement *>&statements =
465 assertion->getAttributeStatements();
466 const saml2::Attribute *ret = NULL;
468 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
469 s != statements.end();
471 const vector<saml2::Attribute*>& attrs =
472 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
474 for (vector<saml2::Attribute*>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
475 if (XMLString::equals((*a)->getNameFormat(), components->elementAt(0)) &&
476 XMLString::equals((*a)->getName(), components->elementAt(1))) {
490 return (ret != NULL);
494 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
498 gss_buffer_t display_value,
501 const saml2::Attribute *a;
502 const saml2::AttributeValue *av;
503 int nvalues, i = *more;
507 if (!getAttribute(attr, authenticated, complete, &a))
510 nvalues = a->getAttributeValues().size();
514 else if (i >= nvalues)
517 av = dynamic_cast<const saml2::AttributeValue *>(a->getAttributeValues().at(i));
519 av = (const saml2::AttributeValue *)((void *)(a->getAttributeValues().at(i)));
523 value->value = toUTF8(av->getTextContent(), true);
524 value->length = strlen((char *)value->value);
526 if (display_value != NULL) {
527 display_value->value = toUTF8(av->getTextContent(), true);
528 display_value->length = strlen((char *)value->value);
539 gss_eap_saml_attr_provider::mapToAny(int authenticated,
540 gss_buffer_t type_id) const
542 return (gss_any_t)NULL;
546 gss_eap_saml_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id,
547 gss_any_t input) const
552 gss_eap_saml_attr_provider::exportToBuffer(gss_buffer_t buffer) const
555 buffer->value = NULL;
559 gss_eap_saml_attr_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
560 const gss_buffer_t buffer)
562 return gss_eap_attr_provider::initFromBuffer(ctx, buffer);
566 gss_eap_saml_attr_provider::init(void)
568 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML,
569 "urn:ietf:params:gss-eap:saml-attr",
570 gss_eap_saml_attr_provider::createAttrContext);
575 gss_eap_saml_attr_provider::finalize(void)
577 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML);
580 gss_eap_attr_provider *
581 gss_eap_saml_attr_provider::createAttrContext(void)
583 return new gss_eap_saml_attr_provider;
587 gssEapSamlAttrProvidersInit(OM_uint32 *minor)
589 if (gss_eap_saml_assertion_provider::init() &&
590 gss_eap_saml_attr_provider::init())
591 return GSS_S_COMPLETE;
593 return GSS_S_FAILURE;
597 gssEapSamlAttrProvidersFinalize(OM_uint32 *minor)
599 gss_eap_saml_attr_provider::finalize();
600 gss_eap_saml_assertion_provider::finalize();
601 return GSS_S_COMPLETE;