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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 m_assertion = (saml2::Assertion *)((void *)assertion->clone());
131 m_assertion = dynamic_cast<saml2::Assertion *>(assertion->clone());
133 m_authenticated = authenticated;
136 m_authenticated = false;
141 gss_eap_saml_assertion_provider::setAssertion(const gss_buffer_t buffer,
146 m_assertion = parseAssertion(buffer);
147 m_authenticated = (m_assertion != NULL && authenticated);
151 gss_eap_saml_assertion_provider::parseAssertion(const gss_buffer_t buffer)
153 string str((char *)buffer->value, buffer->length);
154 istringstream istream(str);
156 const XMLObjectBuilder *b;
158 doc = XMLToolingConfig::getConfig().getParser().parse(istream);
162 b = XMLObjectBuilder::getBuilder(doc->getDocumentElement());
165 return (saml2::Assertion *)((void *)b->buildFromDocument(doc));
167 return dynamic_cast<saml2::Assertion *>(b->buildFromDocument(doc));
172 gss_eap_saml_assertion_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
177 /* just add the prefix */
178 if (m_assertion != NULL)
179 ret = addAttribute(this, GSS_C_NO_BUFFER, data);
187 gss_eap_saml_assertion_provider::setAttribute(int complete,
188 const gss_buffer_t attr,
189 const gss_buffer_t value)
191 if (attr == GSS_C_NO_BUFFER || attr->length == 0) {
197 gss_eap_saml_assertion_provider::deleteAttribute(const gss_buffer_t value)
201 m_authenticated = false;
205 gss_eap_saml_assertion_provider::getExpiryTime(void) const
207 saml2::Conditions *conditions;
208 time_t expiryTime = 0;
210 if (m_assertion == NULL)
213 conditions = m_assertion->getConditions();
215 if (conditions != NULL && conditions->getNotOnOrAfter() != NULL)
216 expiryTime = conditions->getNotOnOrAfter()->getEpoch();
222 gss_eap_saml_assertion_provider::getAttribute(const gss_buffer_t attr,
226 gss_buffer_t display_value,
231 if (attr != GSS_C_NO_BUFFER && attr->length != 0)
234 if (m_assertion == NULL)
240 if (authenticated != NULL)
241 *authenticated = m_authenticated;
242 if (complete != NULL)
245 XMLHelper::serialize(m_assertion->marshall((DOMDocument *)NULL), str);
247 duplicateBuffer(str, value);
254 gss_eap_saml_assertion_provider::mapToAny(int authenticated,
255 gss_buffer_t type_id) const
257 if (authenticated && !m_authenticated)
258 return (gss_any_t)NULL;
260 return (gss_any_t)m_assertion;
264 gss_eap_saml_assertion_provider::releaseAnyNameMapping(gss_buffer_t type_id,
265 gss_any_t input) const
267 delete ((saml2::Assertion *)input);
271 gss_eap_saml_assertion_provider::exportToBuffer(gss_buffer_t buffer) const
277 buffer->value = NULL;
279 if (m_assertion == NULL)
282 sink << *m_assertion;
285 duplicateBuffer(str, buffer);
289 gss_eap_saml_assertion_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
290 const gss_buffer_t buffer)
292 if (!gss_eap_attr_provider::initFromBuffer(ctx, buffer))
295 if (buffer->length == 0)
298 assert(m_assertion == NULL);
300 setAssertion(buffer);
301 /* TODO XXX how to propagate authenticated flag? */
307 gss_eap_saml_assertion_provider::init(void)
309 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML_ASSERTION,
310 "urn:ietf:params:gss-eap:saml-aaa-assertion",
311 gss_eap_saml_assertion_provider::createAttrContext);
316 gss_eap_saml_assertion_provider::finalize(void)
318 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML_ASSERTION);
321 gss_eap_attr_provider *
322 gss_eap_saml_assertion_provider::createAttrContext(void)
324 return new gss_eap_saml_assertion_provider;
328 * gss_eap_saml_attr_provider is for retrieving the underlying attributes.
331 gss_eap_saml_attr_provider::getAssertion(int *authenticated,
332 const saml2::Assertion **pAssertion) const
334 const gss_eap_saml_assertion_provider *saml;
336 if (authenticated != NULL)
337 *authenticated = false;
338 if (pAssertion != NULL)
341 saml = static_cast<const gss_eap_saml_assertion_provider *>
342 (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
346 if (authenticated != NULL)
347 *authenticated = saml->authenticated();
348 if (pAssertion != NULL)
349 *pAssertion = saml->getAssertion();
351 return (saml->getAssertion() != NULL);
355 gss_eap_saml_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
358 const saml2::Assertion *assertion;
362 if (!getAssertion(&authenticated, &assertion))
366 * Note: the first prefix is added by the attribute provider manager
368 * From draft-hartman-gss-eap-naming-00:
370 * Each attribute carried in the assertion SHOULD also be a GSS name
371 * attribute. The name of this attribute has three parts, all separated
372 * by an ASCII space character. The first part is
373 * urn:ietf:params:gss-eap:saml-attr. The second part is the URI for
374 * the SAML attribute name format. The final part is the name of the
375 * SAML attribute. If the mechanism performs an additional attribute
376 * query, the retrieved attributes SHOULD be GSS-API name attributes
377 * using the same name syntax.
379 const vector<saml2::Attribute*>& attrs2 =
380 const_cast<const saml2::AttributeStatement*>(assertion->getAttributeStatements().front())->getAttributes();
381 for (vector<saml2::Attribute*>::const_iterator a = attrs2.begin();
385 const XMLCh *attributeName = (*a)->getName();
386 const XMLCh *attributeNameFormat = (*a)->getNameFormat();
387 XMLCh *qualifiedName;
388 XMLCh space[2] = { ' ', 0 };
389 gss_buffer_desc utf8;
391 qualifiedName = new XMLCh[XMLString::stringLen(attributeNameFormat) + 1 +
392 XMLString::stringLen(attributeName) + 1];
393 XMLString::copyString(qualifiedName, attributeNameFormat);
394 XMLString::catString(qualifiedName, space);
395 XMLString::catString(qualifiedName, attributeName);
397 utf8.value = (void *)toUTF8(qualifiedName);
398 utf8.length = strlen((char *)utf8.value);
400 ret = addAttribute(this, &utf8, data);
402 delete qualifiedName;
412 gss_eap_saml_attr_provider::setAttribute(int complete,
413 const gss_buffer_t attr,
414 const gss_buffer_t value)
419 gss_eap_saml_attr_provider::deleteAttribute(const gss_buffer_t value)
423 static BaseRefVectorOf<XMLCh> *
424 decomposeAttributeName(const gss_buffer_t attr)
426 XMLCh *qualifiedAttr = new XMLCh[attr->length + 1];
427 XMLString::transcode((const char *)attr->value, qualifiedAttr, attr->length);
429 BaseRefVectorOf<XMLCh> *components = XMLString::tokenizeString(qualifiedAttr);
431 delete qualifiedAttr;
437 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
440 const saml2::Attribute **pAttribute) const
442 const saml2::Assertion *assertion;
444 if (authenticated != NULL)
445 *authenticated = false;
446 if (complete != NULL)
450 if (!getAssertion(authenticated, &assertion) ||
451 assertion->getAttributeStatements().size() == 0)
454 /* Check the attribute name consists of name format | whsp | name */
455 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
456 if (components == NULL || components->size() != 2) {
461 /* For each attribute statement, look for an attribute match */
462 const vector <saml2::AttributeStatement *>&statements =
463 assertion->getAttributeStatements();
464 const saml2::Attribute *ret = NULL;
466 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
467 s != statements.end();
469 const vector<saml2::Attribute*>& attrs =
470 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
472 for (vector<saml2::Attribute*>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
473 if (XMLString::equals((*a)->getNameFormat(), components->elementAt(0)) &&
474 XMLString::equals((*a)->getName(), components->elementAt(1))) {
488 return (ret != NULL);
492 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
496 gss_buffer_t display_value,
499 const saml2::Attribute *a;
500 const saml2::AttributeValue *av;
501 int nvalues, i = *more;
505 if (!getAttribute(attr, authenticated, complete, &a))
508 nvalues = a->getAttributeValues().size();
512 else if (i >= nvalues)
515 av = (const saml2::AttributeValue *)((void *)(a->getAttributeValues().at(i)));
517 av = dynamic_cast<const saml2::AttributeValue *>(a->getAttributeValues().at(i));
521 value->value = toUTF8(av->getTextContent(), true);
522 value->length = strlen((char *)value->value);
524 if (display_value != NULL) {
525 display_value->value = toUTF8(av->getTextContent(), true);
526 display_value->length = strlen((char *)value->value);
537 gss_eap_saml_attr_provider::mapToAny(int authenticated,
538 gss_buffer_t type_id) const
540 return (gss_any_t)NULL;
544 gss_eap_saml_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id,
545 gss_any_t input) const
550 gss_eap_saml_attr_provider::exportToBuffer(gss_buffer_t buffer) const
553 buffer->value = NULL;
557 gss_eap_saml_attr_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
558 const gss_buffer_t buffer)
560 return gss_eap_attr_provider::initFromBuffer(ctx, buffer);
564 gss_eap_saml_attr_provider::init(void)
566 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML,
567 "urn:ietf:params:gss-eap:saml-attr",
568 gss_eap_saml_attr_provider::createAttrContext);
573 gss_eap_saml_attr_provider::finalize(void)
575 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML);
578 gss_eap_attr_provider *
579 gss_eap_saml_attr_provider::createAttrContext(void)
581 return new gss_eap_saml_attr_provider;
585 gssEapSamlAttrProvidersInit(OM_uint32 *minor)
587 if (gss_eap_saml_assertion_provider::init() &&
588 gss_eap_saml_attr_provider::init())
589 return GSS_S_COMPLETE;
591 return GSS_S_FAILURE;
595 gssEapSamlAttrProvidersFinalize(OM_uint32 *minor)
597 gss_eap_saml_attr_provider::finalize();
598 gss_eap_saml_assertion_provider::finalize();
599 return GSS_S_COMPLETE;