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49 * Local attribute provider implementation.
52 #include <xmltooling/XMLObject.h>
54 #include <saml/saml2/core/Assertions.h>
56 #include <shibsp/exceptions.h>
57 #include <shibsp/attribute/SimpleAttribute.h>
58 #include <shibresolver/resolver.h>
62 #include "gssapiP_eap.h"
64 using namespace shibsp;
65 using namespace shibresolver;
66 using namespace opensaml::saml2md;
67 using namespace opensaml;
68 using namespace xmltooling;
71 gss_eap_shib_attr_provider::gss_eap_shib_attr_provider(void)
73 m_initialized = false;
74 m_authenticated = false;
77 gss_eap_shib_attr_provider::~gss_eap_shib_attr_provider(void)
79 for_each(m_attributes.begin(),
81 xmltooling::cleanup<Attribute>())
86 gss_eap_shib_attr_provider::initFromExistingContext(const gss_eap_attr_ctx *manager,
87 const gss_eap_attr_provider *ctx)
89 const gss_eap_shib_attr_provider *shib;
91 if (!gss_eap_attr_provider::initFromExistingContext(manager, ctx)) {
95 m_authenticated = false;
97 shib = static_cast<const gss_eap_shib_attr_provider *>(ctx);
99 m_attributes = duplicateAttributes(shib->getAttributes());
100 m_authenticated = shib->authenticated();
103 m_initialized = true;
109 exportMechSecContext(OM_uint32 *minor,
111 gss_buffer_t mechContext)
114 gss_buffer_desc exportedCtx;
117 assert(gssCtx->mechanismUsed != GSS_C_NO_OID);
119 major = gssEapExportSecContext(minor, gssCtx, &exportedCtx);
120 if (GSS_ERROR(major))
124 * gss_import_sec_context expects the exported security context token
125 * to be tagged with the mechanism OID; in Heimdal and MIT, this is
126 * done by the mechglue, so if we are subverting the mechglue we need
127 * to add it ourselves.
129 mechContext->length = 4 + gssCtx->mechanismUsed->length + exportedCtx.length;
130 mechContext->value = p = (unsigned char *)GSSEAP_MALLOC(mechContext->length);
131 if (mechContext->value == NULL) {
132 gss_release_buffer(minor, &exportedCtx);
133 throw new std::bad_alloc;
136 p = store_oid(gssCtx->mechanismUsed, p);
137 memcpy(p, exportedCtx.value, exportedCtx.length);
139 gss_release_buffer(minor, &exportedCtx);
141 return GSS_S_COMPLETE;
145 gss_eap_shib_attr_provider::initFromGssContext(const gss_eap_attr_ctx *manager,
146 const gss_cred_id_t gssCred,
147 const gss_ctx_id_t gssCtx)
149 if (!gss_eap_attr_provider::initFromGssContext(manager, gssCred, gssCtx))
152 auto_ptr<ShibbolethResolver> resolver(ShibbolethResolver::create());
155 * For now, leave ApplicationID defaulted.
156 * Later on, we could allow this via config option to the mechanism
157 * or rely on an SPRequest interface to pass in a URI identifying the
161 gss_buffer_desc nameBuf = GSS_C_EMPTY_BUFFER;
162 if (gssCred != GSS_C_NO_CREDENTIAL &&
163 gssEapDisplayName(&minor, gssCred->name, &nameBuf, NULL) == GSS_S_COMPLETE) {
164 resolver->setApplicationID((const char *)nameBuf.value);
165 gss_release_buffer(&minor, &nameBuf);
169 gss_buffer_desc mechContext = GSS_C_EMPTY_BUFFER;
170 OM_uint32 major, minor;
171 major = exportMechSecContext(&minor, gssCtx, &mechContext);
172 if (major == GSS_S_COMPLETE) {
173 resolver->addToken(&mechContext);
174 gss_release_buffer(&minor, &mechContext);
177 const gss_eap_saml_assertion_provider *saml;
178 saml = static_cast<const gss_eap_saml_assertion_provider *>
179 (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
180 if (saml != NULL && saml->getAssertion() != NULL) {
181 resolver->addToken(saml->getAssertion());
186 m_attributes = resolver->getResolvedAttributes();
187 resolver->getResolvedAttributes().clear();
188 } catch (exception &e) {
191 m_authenticated = true;
192 m_initialized = true;
198 gss_eap_shib_attr_provider::getAttributeIndex(const gss_buffer_t attr) const
202 assert(m_initialized);
204 for (vector<Attribute *>::const_iterator a = m_attributes.begin();
205 a != m_attributes.end();
208 for (vector<string>::const_iterator s = (*a)->getAliases().begin();
209 s != (*a)->getAliases().end();
211 if (attr->length == (*s).length() &&
212 memcmp((*s).c_str(), attr->value, attr->length) == 0) {
222 gss_eap_shib_attr_provider::setAttribute(int complete GSSEAP_UNUSED,
223 const gss_buffer_t attr,
224 const gss_buffer_t value)
226 string attrStr((char *)attr->value, attr->length);
227 vector <string> ids(1, attrStr);
228 SimpleAttribute *a = new SimpleAttribute(ids);
230 assert(m_initialized);
232 if (value->length != 0) {
233 string valueStr((char *)value->value, value->length);
235 a->getValues().push_back(valueStr);
238 m_attributes.push_back(a);
239 m_authenticated = false;
245 gss_eap_shib_attr_provider::deleteAttribute(const gss_buffer_t attr)
249 assert(m_initialized);
251 i = getAttributeIndex(attr);
253 m_attributes.erase(m_attributes.begin() + i);
255 m_authenticated = false;
261 gss_eap_shib_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
264 assert(m_initialized);
266 for (vector<Attribute*>::const_iterator a = m_attributes.begin();
267 a != m_attributes.end();
270 gss_buffer_desc attribute;
272 attribute.value = (void *)((*a)->getId());
273 attribute.length = strlen((char *)attribute.value);
275 if (!addAttribute(m_manager, this, &attribute, data))
283 gss_eap_shib_attr_provider::getAttribute(const gss_buffer_t attr) const
285 const Attribute *ret = NULL;
287 assert(m_initialized);
289 for (vector<Attribute *>::const_iterator a = m_attributes.begin();
290 a != m_attributes.end();
293 for (vector<string>::const_iterator s = (*a)->getAliases().begin();
294 s != (*a)->getAliases().end();
296 if (attr->length == (*s).length() &&
297 memcmp((*s).c_str(), attr->value, attr->length) == 0) {
310 gss_eap_shib_attr_provider::getAttribute(const gss_buffer_t attr,
314 gss_buffer_t display_value,
317 const Attribute *shibAttr = NULL;
319 int nvalues, i = *more;
321 assert(m_initialized);
325 shibAttr = getAttribute(attr);
326 if (shibAttr == NULL)
329 nvalues = shibAttr->valueCount();
333 else if (i >= nvalues)
336 buf.value = (void *)shibAttr->getSerializedValues()[*more].c_str();
337 buf.length = strlen((char *)buf.value);
339 if (buf.length != 0) {
341 duplicateBuffer(buf, value);
343 if (display_value != NULL)
344 duplicateBuffer(buf, display_value);
347 if (authenticated != NULL)
348 *authenticated = m_authenticated;
349 if (complete != NULL)
359 gss_eap_shib_attr_provider::mapToAny(int authenticated,
360 gss_buffer_t type_id GSSEAP_UNUSED) const
364 assert(m_initialized);
366 if (authenticated && !m_authenticated)
367 return (gss_any_t)NULL;
369 vector <Attribute *>v = duplicateAttributes(m_attributes);
371 output = (gss_any_t)new vector <Attribute *>(v);
377 gss_eap_shib_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id GSSEAP_UNUSED,
378 gss_any_t input) const
380 assert(m_initialized);
382 vector <Attribute *> *v = ((vector <Attribute *> *)input);
387 gss_eap_shib_attr_provider::prefix(void) const
393 gss_eap_shib_attr_provider::name(void) const
399 gss_eap_shib_attr_provider::jsonRepresentation(void) const
403 if (m_initialized == false)
404 return obj; /* don't export incomplete context */
406 JSONObject jattrs = JSONObject::array();
408 for (vector<Attribute*>::const_iterator a = m_attributes.begin();
409 a != m_attributes.end(); ++a) {
411 DDF attr = (*a)->marshall();
412 JSONObject jattr = JSONObject::ddf(attr);
413 jattrs.append(jattr);
414 } catch (AttributeException &e) {
415 /* XXX FIXME ignore attribute exceptions? */
419 obj.set("attributes", jattrs);
421 obj.set("authenticated", m_authenticated);
427 gss_eap_shib_attr_provider::initWithJsonObject(const gss_eap_attr_ctx *ctx,
430 if (!gss_eap_attr_provider::initWithJsonObject(ctx, obj))
433 assert(m_authenticated == false);
434 assert(m_attributes.size() == 0);
436 JSONObject jattrs = obj["attributes"];
437 size_t nelems = jattrs.size();
439 for (size_t i = 0; i < nelems; i++) {
440 JSONObject jattr = jattrs.get(i);
443 DDF attr = jattr.ddf();
444 Attribute *attribute = Attribute::unmarshall(attr);
445 m_attributes.push_back(attribute);
446 } catch (AttributeException &e) {
451 m_authenticated = obj["authenticated"].integer();
452 m_initialized = true;
458 gss_eap_shib_attr_provider::init(void)
460 if (!ShibbolethResolver::init())
463 gss_eap_attr_ctx::registerProvider(ATTR_TYPE_LOCAL, createAttrContext);
469 gss_eap_shib_attr_provider::finalize(void)
471 gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_LOCAL);
472 ShibbolethResolver::term();
476 gss_eap_shib_attr_provider::mapException(OM_uint32 *minor,
477 std::exception &e) const
479 if (typeid(e) == typeid(AttributeException))
480 *minor = GSSEAP_SHIB_ATTR_FAILURE;
481 else if (typeid(e) == typeid(AttributeExtractionException))
482 *minor = GSSEAP_SHIB_ATTR_EXTRACT_FAILURE;
483 else if (typeid(e) == typeid(AttributeFilteringException))
484 *minor = GSSEAP_SHIB_ATTR_FILTER_FAILURE;
485 else if (typeid(e) == typeid(AttributeResolutionException))
486 *minor = GSSEAP_SHIB_ATTR_RESOLVE_FAILURE;
487 else if (typeid(e) == typeid(ConfigurationException))
488 *minor = GSSEAP_SHIB_CONFIG_FAILURE;
489 else if (typeid(e) == typeid(ListenerException))
490 *minor = GSSEAP_SHIB_LISTENER_FAILURE;
492 return GSS_S_CONTINUE_NEEDED;
494 return GSS_S_FAILURE;
497 gss_eap_attr_provider *
498 gss_eap_shib_attr_provider::createAttrContext(void)
500 return new gss_eap_shib_attr_provider;
504 gss_eap_shib_attr_provider::duplicateAttribute(const Attribute *src)
506 DDF obj = src->marshall();
507 Attribute *attribute = Attribute::unmarshall(obj);
514 gss_eap_shib_attr_provider::duplicateAttributes(const vector <Attribute *>src)
516 vector <Attribute *> dst;
518 for (vector<Attribute *>::const_iterator a = src.begin();
521 dst.push_back(duplicateAttribute(*a));
527 gssEapLocalAttrProviderInit(OM_uint32 *minor)
529 if (!gss_eap_shib_attr_provider::init()) {
530 *minor = GSSEAP_SHIB_INIT_FAILURE;
531 return GSS_S_FAILURE;
533 return GSS_S_COMPLETE;
537 gssEapLocalAttrProviderFinalize(OM_uint32 *minor)
539 gss_eap_shib_attr_provider::finalize();
542 return GSS_S_COMPLETE;