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33 #include "gssapiP_eap.h"
37 #include <xercesc/util/XMLUniDefs.hpp>
38 #include <xmltooling/XMLToolingConfig.h>
39 #include <xmltooling/util/XMLHelper.h>
41 #include <saml/saml1/core/Assertions.h>
42 #include <saml/saml2/core/Assertions.h>
43 #include <saml/saml2/metadata/Metadata.h>
45 using namespace xmltooling;
46 using namespace opensaml::saml2md;
47 using namespace opensaml;
48 using namespace xercesc;
52 * gss_eap_saml_assertion_provider is for retrieving the underlying
56 gss_eap_saml_assertion_provider::initFromExistingContext(const gss_eap_attr_ctx *manager,
57 const gss_eap_attr_provider *ctx)
59 /* Then we may be creating from an existing attribute context */
60 const gss_eap_saml_assertion_provider *saml;
62 assert(m_assertion == NULL);
64 if (!gss_eap_attr_provider::initFromExistingContext(manager, ctx))
67 saml = static_cast<const gss_eap_saml_assertion_provider *>(ctx);
68 setAssertion(saml->getAssertion(), saml->authenticated());
74 gss_eap_saml_assertion_provider::initFromGssContext(const gss_eap_attr_ctx *manager,
75 const gss_cred_id_t gssCred,
76 const gss_ctx_id_t gssCtx)
78 const gss_eap_radius_attr_provider *radius;
79 gss_buffer_desc value = GSS_C_EMPTY_BUFFER;
80 int authenticated, complete, more = -1;
83 assert(m_assertion == NULL);
85 if (!gss_eap_attr_provider::initFromGssContext(manager, gssCred, gssCtx))
88 radius = static_cast<const gss_eap_radius_attr_provider *>
89 (m_manager->getProvider(ATTR_TYPE_RADIUS));
91 radius->getAttribute(PW_SAML_ASSERTION, &authenticated, &complete,
92 &value, NULL, &more)) {
93 setAssertion(&value, authenticated);
94 gss_release_buffer(&minor, &value);
102 gss_eap_saml_assertion_provider::~gss_eap_saml_assertion_provider(void)
108 gss_eap_saml_assertion_provider::setAssertion(const saml2::Assertion *assertion,
114 if (assertion != NULL) {
115 m_assertion = dynamic_cast<saml2::Assertion *>(assertion->clone());
116 m_authenticated = authenticated;
119 m_authenticated = false;
124 gss_eap_saml_assertion_provider::setAssertion(const gss_buffer_t buffer,
129 m_assertion = parseAssertion(buffer);
130 m_authenticated = (m_assertion != NULL && authenticated);
134 gss_eap_saml_assertion_provider::parseAssertion(const gss_buffer_t buffer)
136 string str((char *)buffer->value, buffer->length);
137 istringstream istream(str);
139 const XMLObjectBuilder *b;
141 doc = XMLToolingConfig::getConfig().getParser().parse(istream);
142 b = XMLObjectBuilder::getBuilder(doc->getDocumentElement());
144 return dynamic_cast<saml2::Assertion *>(b->buildFromDocument(doc));
148 gss_eap_saml_assertion_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
151 /* just add the prefix */
152 return addAttribute(this, GSS_C_NO_BUFFER, data);
156 gss_eap_saml_assertion_provider::setAttribute(int complete,
157 const gss_buffer_t attr,
158 const gss_buffer_t value)
160 if (attr == GSS_C_NO_BUFFER || attr->length == 0) {
166 gss_eap_saml_assertion_provider::deleteAttribute(const gss_buffer_t value)
170 m_authenticated = false;
174 gss_eap_saml_assertion_provider::getExpiryTime(void) const
176 saml2::Conditions *conditions;
177 time_t expiryTime = 0;
179 if (m_assertion == NULL)
182 conditions = m_assertion->getConditions();
184 if (conditions != NULL && conditions->getNotOnOrAfter() != NULL)
185 expiryTime = conditions->getNotOnOrAfter()->getEpoch();
191 gss_eap_saml_assertion_provider::getAttribute(const gss_buffer_t attr,
195 gss_buffer_t display_value,
200 if (attr != GSS_C_NO_BUFFER || attr->length != 0)
203 if (m_assertion == NULL)
209 if (authenticated != NULL)
210 *authenticated = m_authenticated;
211 if (complete != NULL)
214 XMLHelper::serialize(m_assertion->marshall((DOMDocument *)NULL), str);
216 duplicateBuffer(str, value);
223 gss_eap_saml_assertion_provider::mapToAny(int authenticated,
224 gss_buffer_t type_id) const
226 return (gss_any_t)m_assertion;
230 gss_eap_saml_assertion_provider::releaseAnyNameMapping(gss_buffer_t type_id,
231 gss_any_t input) const
233 delete ((saml2::Assertion *)input);
237 gss_eap_saml_assertion_provider::exportToBuffer(gss_buffer_t buffer) const
243 buffer->value = NULL;
245 if (m_assertion == NULL)
248 sink << *m_assertion;
251 duplicateBuffer(str, buffer);
255 gss_eap_saml_assertion_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
256 const gss_buffer_t buffer)
258 if (!gss_eap_attr_provider::initFromBuffer(ctx, buffer))
261 if (buffer->length == 0)
264 assert(m_assertion == NULL);
266 setAssertion(buffer);
267 /* TODO XXX how to propagate authenticated flag? */
273 gss_eap_saml_assertion_provider::init(void)
275 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML_ASSERTION,
276 "urn:ietf:params:gss-eap:saml-aaa-assertion",
277 gss_eap_saml_assertion_provider::createAttrContext);
282 gss_eap_saml_assertion_provider::finalize(void)
284 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML_ASSERTION);
287 gss_eap_attr_provider *
288 gss_eap_saml_assertion_provider::createAttrContext(void)
290 return new gss_eap_saml_assertion_provider;
294 * gss_eap_saml_attr_provider is for retrieving the underlying attributes.
297 gss_eap_saml_attr_provider::getAssertion(int *authenticated,
298 const saml2::Assertion **pAssertion) const
300 const gss_eap_saml_assertion_provider *saml;
302 if (authenticated != NULL)
303 *authenticated = false;
304 if (pAssertion != NULL)
307 saml = static_cast<const gss_eap_saml_assertion_provider *>
308 (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
312 if (authenticated != NULL)
313 *authenticated = saml->authenticated();
314 if (pAssertion != NULL)
315 *pAssertion = saml->getAssertion();
317 return (saml->getAssertion() != NULL);
320 gss_eap_saml_attr_provider::~gss_eap_saml_attr_provider(void)
322 /* Nothing to do, we're just a wrapper around the assertion provider. */
326 gss_eap_saml_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
329 const saml2::Assertion *assertion;
333 if (!getAssertion(&authenticated, &assertion))
337 * Note: the first prefix is added by the attribute provider manager
339 * From draft-hartman-gss-eap-naming-00:
341 * Each attribute carried in the assertion SHOULD also be a GSS name
342 * attribute. The name of this attribute has three parts, all separated
343 * by an ASCII space character. The first part is
344 * urn:ietf:params:gss-eap:saml-attr. The second part is the URI for
345 * the SAML attribute name format. The final part is the name of the
346 * SAML attribute. If the mechanism performs an additional attribute
347 * query, the retrieved attributes SHOULD be GSS-API name attributes
348 * using the same name syntax.
350 const vector<saml2::Attribute*>& attrs2 =
351 const_cast<const saml2::AttributeStatement*>(assertion->getAttributeStatements().front())->getAttributes();
352 for (vector<saml2::Attribute*>::const_iterator a = attrs2.begin();
356 const XMLCh *attributeName = (*a)->getName();
357 const XMLCh *attributeNameFormat = (*a)->getNameFormat();
358 XMLCh *qualifiedName;
359 XMLCh space[2] = { ' ', 0 };
360 gss_buffer_desc utf8;
362 qualifiedName = new XMLCh[XMLString::stringLen(attributeName) + 1 +
363 XMLString::stringLen(attributeNameFormat) + 1];
364 XMLString::copyString(qualifiedName, attributeName);
365 XMLString::catString(qualifiedName, space);
366 XMLString::catString(qualifiedName, attributeNameFormat);
368 utf8.value = (void *)toUTF8(qualifiedName);
369 utf8.length = strlen((char *)utf8.value);
371 ret = addAttribute(this, &utf8, data);
373 delete qualifiedName;
383 gss_eap_saml_attr_provider::setAttribute(int complete,
384 const gss_buffer_t attr,
385 const gss_buffer_t value)
390 gss_eap_saml_attr_provider::deleteAttribute(const gss_buffer_t value)
394 static BaseRefVectorOf<XMLCh> *
395 decomposeAttributeName(const gss_buffer_t attr)
397 XMLCh *qualifiedAttr = new XMLCh[attr->length + 1];
398 XMLString::transcode((const char *)attr->value, qualifiedAttr, attr->length);
400 BaseRefVectorOf<XMLCh> *components = XMLString::tokenizeString(qualifiedAttr);
402 delete qualifiedAttr;
408 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
411 const saml2::Attribute **pAttribute) const
413 const saml2::Assertion *assertion;
415 if (authenticated != NULL)
416 *authenticated = false;
417 if (complete != NULL)
421 if (!getAssertion(authenticated, &assertion) ||
422 assertion->getAttributeStatements().size() == 0)
425 /* Check the attribute name consists of name format | whsp | name */
426 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
427 if (components == NULL || components->size() != 2) {
432 /* For each attribute statement, look for an attribute match */
433 const vector <saml2::AttributeStatement *>&statements =
434 assertion->getAttributeStatements();
435 const saml2::Attribute *ret = NULL;
437 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
438 s != statements.end();
440 const vector<saml2::Attribute*>& attrs =
441 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
443 for (vector<saml2::Attribute*>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
444 if (XMLString::equals((*a)->getNameFormat(), components->elementAt(0)) &&
445 XMLString::equals((*a)->getName(), components->elementAt(1))) {
459 return (ret != NULL);
463 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
467 gss_buffer_t display_value,
470 const saml2::Attribute *a;
471 const saml2::AttributeValue *av;
472 int nvalues, i = *more;
476 if (!getAttribute(attr, authenticated, complete, &a))
479 nvalues = a->getAttributeValues().size();
483 else if (i >= nvalues)
485 av = dynamic_cast<const saml2::AttributeValue *>(a->getAttributeValues().at(i)
489 value->value = toUTF8(av->getTextContent(), true);
490 value->length = strlen((char *)value->value);
492 if (display_value != NULL) {
493 display_value->value = toUTF8(av->getTextContent(), true);
494 display_value->length = strlen((char *)value->value);
505 gss_eap_saml_attr_provider::mapToAny(int authenticated,
506 gss_buffer_t type_id) const
508 return (gss_any_t)NULL;
512 gss_eap_saml_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id,
513 gss_any_t input) const
518 gss_eap_saml_attr_provider::exportToBuffer(gss_buffer_t buffer) const
521 buffer->value = NULL;
525 gss_eap_saml_attr_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
526 const gss_buffer_t buffer)
528 return gss_eap_attr_provider::initFromBuffer(ctx, buffer);
532 gss_eap_saml_attr_provider::init(void)
534 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML,
535 "urn:ietf:params:gss-eap:saml-attr",
536 gss_eap_saml_attr_provider::createAttrContext);
541 gss_eap_saml_attr_provider::finalize(void)
543 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML);
546 gss_eap_attr_provider *
547 gss_eap_saml_attr_provider::createAttrContext(void)
549 return new gss_eap_saml_attr_provider;