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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::getAttribute(const gss_buffer_t attr,
178 gss_buffer_t display_value,
183 if (attr != GSS_C_NO_BUFFER || attr->length != 0)
186 if (m_assertion == NULL)
192 if (authenticated != NULL)
193 *authenticated = m_authenticated;
194 if (complete != NULL)
197 XMLHelper::serialize(m_assertion->marshall((DOMDocument *)NULL), str);
199 duplicateBuffer(str, value);
206 gss_eap_saml_assertion_provider::mapToAny(int authenticated,
207 gss_buffer_t type_id) const
209 return (gss_any_t)m_assertion;
213 gss_eap_saml_assertion_provider::releaseAnyNameMapping(gss_buffer_t type_id,
214 gss_any_t input) const
216 delete ((saml2::Assertion *)input);
220 gss_eap_saml_assertion_provider::exportToBuffer(gss_buffer_t buffer) const
226 buffer->value = NULL;
228 if (m_assertion == NULL)
231 sink << *m_assertion;
234 duplicateBuffer(str, buffer);
238 gss_eap_saml_assertion_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
239 const gss_buffer_t buffer)
241 if (!gss_eap_attr_provider::initFromBuffer(ctx, buffer))
244 if (buffer->length == 0)
247 assert(m_assertion == NULL);
249 setAssertion(buffer);
250 /* TODO XXX how to propagate authenticated flag? */
256 gss_eap_saml_assertion_provider::init(void)
258 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML_ASSERTION,
259 "urn:ietf:params:gss-eap:saml-aaa-assertion",
260 gss_eap_saml_assertion_provider::createAttrContext);
265 gss_eap_saml_assertion_provider::finalize(void)
267 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML_ASSERTION);
270 gss_eap_attr_provider *
271 gss_eap_saml_assertion_provider::createAttrContext(void)
273 return new gss_eap_saml_assertion_provider;
277 * gss_eap_saml_attr_provider is for retrieving the underlying attributes.
280 gss_eap_saml_attr_provider::getAssertion(int *authenticated,
281 const saml2::Assertion **pAssertion) const
283 const gss_eap_saml_assertion_provider *saml;
285 if (authenticated != NULL)
286 *authenticated = false;
287 if (pAssertion != NULL)
290 saml = static_cast<const gss_eap_saml_assertion_provider *>
291 (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
295 if (authenticated != NULL)
296 *authenticated = saml->authenticated();
297 if (pAssertion != NULL)
298 *pAssertion = saml->getAssertion();
300 return (saml->getAssertion() != NULL);
303 gss_eap_saml_attr_provider::~gss_eap_saml_attr_provider(void)
305 /* Nothing to do, we're just a wrapper around the assertion provider. */
309 gss_eap_saml_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
312 const saml2::Assertion *assertion;
316 if (!getAssertion(&authenticated, &assertion))
320 * Note: the first prefix is added by the attribute provider manager
322 * From draft-hartman-gss-eap-naming-00:
324 * Each attribute carried in the assertion SHOULD also be a GSS name
325 * attribute. The name of this attribute has three parts, all separated
326 * by an ASCII space character. The first part is
327 * urn:ietf:params:gss-eap:saml-attr. The second part is the URI for
328 * the SAML attribute name format. The final part is the name of the
329 * SAML attribute. If the mechanism performs an additional attribute
330 * query, the retrieved attributes SHOULD be GSS-API name attributes
331 * using the same name syntax.
333 const vector<saml2::Attribute*>& attrs2 =
334 const_cast<const saml2::AttributeStatement*>(assertion->getAttributeStatements().front())->getAttributes();
335 for (vector<saml2::Attribute*>::const_iterator a = attrs2.begin();
339 const XMLCh *attributeName = (*a)->getName();
340 const XMLCh *attributeNameFormat = (*a)->getNameFormat();
341 XMLCh *qualifiedName;
342 XMLCh space[2] = { ' ', 0 };
343 gss_buffer_desc utf8;
345 qualifiedName = new XMLCh[XMLString::stringLen(attributeName) + 1 +
346 XMLString::stringLen(attributeNameFormat) + 1];
347 XMLString::copyString(qualifiedName, attributeName);
348 XMLString::catString(qualifiedName, space);
349 XMLString::catString(qualifiedName, attributeNameFormat);
351 utf8.value = (void *)toUTF8(qualifiedName);
352 utf8.length = strlen((char *)utf8.value);
354 ret = addAttribute(this, &utf8, data);
356 delete qualifiedName;
366 gss_eap_saml_attr_provider::setAttribute(int complete,
367 const gss_buffer_t attr,
368 const gss_buffer_t value)
373 gss_eap_saml_attr_provider::deleteAttribute(const gss_buffer_t value)
377 static BaseRefVectorOf<XMLCh> *
378 decomposeAttributeName(const gss_buffer_t attr)
380 XMLCh *qualifiedAttr = new XMLCh[attr->length + 1];
381 XMLString::transcode((const char *)attr->value, qualifiedAttr, attr->length);
383 BaseRefVectorOf<XMLCh> *components = XMLString::tokenizeString(qualifiedAttr);
385 delete qualifiedAttr;
391 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
394 const saml2::Attribute **pAttribute) const
396 const saml2::Assertion *assertion;
398 if (authenticated != NULL)
399 *authenticated = false;
400 if (complete != NULL)
404 if (!getAssertion(authenticated, &assertion) ||
405 assertion->getAttributeStatements().size() == 0)
408 /* Check the attribute name consists of name format | whsp | name */
409 BaseRefVectorOf<XMLCh> *components = decomposeAttributeName(attr);
410 if (components == NULL || components->size() != 2) {
415 /* For each attribute statement, look for an attribute match */
416 const vector <saml2::AttributeStatement *>&statements =
417 assertion->getAttributeStatements();
418 const saml2::Attribute *ret = NULL;
420 for (vector<saml2::AttributeStatement *>::const_iterator s = statements.begin();
421 s != statements.end();
423 const vector<saml2::Attribute*>& attrs =
424 const_cast<const saml2::AttributeStatement*>(*s)->getAttributes();
426 for (vector<saml2::Attribute*>::const_iterator a = attrs.begin(); a != attrs.end(); ++a) {
427 if (XMLString::equals((*a)->getNameFormat(), components->elementAt(0)) &&
428 XMLString::equals((*a)->getName(), components->elementAt(1))) {
442 return (ret != NULL);
446 gss_eap_saml_attr_provider::getAttribute(const gss_buffer_t attr,
450 gss_buffer_t display_value,
453 const saml2::Attribute *a;
454 const saml2::AttributeValue *av;
455 int nvalues, i = *more;
459 if (!getAttribute(attr, authenticated, complete, &a))
462 nvalues = a->getAttributeValues().size();
466 else if (i >= nvalues)
468 av = dynamic_cast<const saml2::AttributeValue *>(a->getAttributeValues().at(i)
472 value->value = toUTF8(av->getTextContent(), true);
473 value->length = strlen((char *)value->value);
475 if (display_value != NULL) {
476 display_value->value = toUTF8(av->getTextContent(), true);
477 display_value->length = strlen((char *)value->value);
488 gss_eap_saml_attr_provider::mapToAny(int authenticated,
489 gss_buffer_t type_id) const
491 return (gss_any_t)NULL;
495 gss_eap_saml_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id,
496 gss_any_t input) const
501 gss_eap_saml_attr_provider::exportToBuffer(gss_buffer_t buffer) const
504 buffer->value = NULL;
508 gss_eap_saml_attr_provider::initFromBuffer(const gss_eap_attr_ctx *ctx,
509 const gss_buffer_t buffer)
511 return gss_eap_attr_provider::initFromBuffer(ctx, buffer);
515 gss_eap_saml_attr_provider::init(void)
517 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_SAML,
518 "urn:ietf:params:gss-eap:saml-attr",
519 gss_eap_saml_attr_provider::createAttrContext);
524 gss_eap_saml_attr_provider::finalize(void)
526 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_SAML);
529 gss_eap_attr_provider *
530 gss_eap_saml_attr_provider::createAttrContext(void)
532 return new gss_eap_saml_attr_provider;