/*
- * Copyright (c) 2010, JANET(UK)
+ * Copyright (c) 2011, JANET(UK)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*/
/*
* Copyright 2001-2009 Internet2
- *
+ *
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* limitations under the License.
*/
-#include "gssapiP_eap.h"
+/*
+ * Local attribute provider implementation.
+ */
+
+#include <xmltooling/XMLObject.h>
+
+#include <saml/saml2/core/Assertions.h>
-#include <shibsp/Application.h>
#include <shibsp/exceptions.h>
-#include <shibsp/SPConfig.h>
-#include <shibsp/ServiceProvider.h>
-#include <shibsp/attribute/Attribute.h>
#include <shibsp/attribute/SimpleAttribute.h>
-#include <shibsp/attribute/resolver/ResolutionContext.h>
-#include <shibsp/handler/AssertionConsumerService.h>
-#include <shibsp/metadata/MetadataProviderCriteria.h>
-#include <shibsp/util/SPConstants.h>
+#include <shibresolver/resolver.h>
-#include <saml/saml1/core/Assertions.h>
-#include <saml/saml2/core/Assertions.h>
-#include <saml/saml2/metadata/Metadata.h>
-#include <xercesc/util/XMLUniDefs.hpp>
-#include <xmltooling/XMLToolingConfig.h>
-#include <xmltooling/util/XMLHelper.h>
+#include <sstream>
-#include "resolver.h"
+#include "gssapiP_eap.h"
using namespace shibsp;
using namespace shibresolver;
using namespace opensaml::saml2md;
using namespace opensaml;
-using namespace xmltooling::logging;
using namespace xmltooling;
-using namespace xercesc;
using namespace std;
-static vector <Attribute *>
-duplicateAttributes(const vector <Attribute *>src);
+gss_eap_shib_attr_provider::gss_eap_shib_attr_provider(void)
+{
+ m_initialized = false;
+ m_authenticated = false;
+}
+
+gss_eap_shib_attr_provider::~gss_eap_shib_attr_provider(void)
+{
+ for_each(m_attributes.begin(),
+ m_attributes.end(),
+ xmltooling::cleanup<Attribute>())
+ ;
+}
-gss_eap_shib_attr_provider::gss_eap_shib_attr_provider(const gss_eap_attr_ctx *ctx,
- gss_cred_id_t gssCred,
- gss_ctx_id_t gssCtx)
- : gss_eap_attr_provider(ctx, gssCred, gssCtx)
+bool
+gss_eap_shib_attr_provider::initWithExistingContext(const gss_eap_attr_ctx *manager,
+ const gss_eap_attr_provider *ctx)
{
- if (gssCtx == GSS_C_NO_CONTEXT) {
- gss_eap_shib_attr_provider *shib;
+ const gss_eap_shib_attr_provider *shib;
- shib = dynamic_cast<gss_eap_shib_attr_provider *>
- (ctx->getProvider(ATTR_TYPE_LOCAL));
- if (shib != NULL)
- m_attributes = duplicateAttributes(shib->m_attributes);
- } else {
- gss_eap_saml_assertion_provider *saml;
- gss_eap_radius_attr_provider *radius;
- gss_buffer_desc nameBuf = GSS_C_EMPTY_BUFFER;
- ShibbolethResolver *resolver = NULL;
- OM_uint32 minor;
+ if (!gss_eap_attr_provider::initWithExistingContext(manager, ctx)) {
+ return false;
+ }
- saml = dynamic_cast<gss_eap_saml_assertion_provider *>
- (ctx->getProvider(ATTR_TYPE_SAML_ASSERTION));
- radius = dynamic_cast<gss_eap_radius_attr_provider *>
- (ctx->getProvider(ATTR_TYPE_RADIUS));
+ m_authenticated = false;
- if (radius == NULL)
- return;
+ shib = static_cast<const gss_eap_shib_attr_provider *>(ctx);
+ if (shib != NULL) {
+ m_attributes = duplicateAttributes(shib->getAttributes());
+ m_authenticated = shib->authenticated();
+ }
- if (gssCred != GSS_C_NO_CREDENTIAL &&
- gss_display_name(&minor, gssCred->name, &nameBuf, NULL) == GSS_S_COMPLETE)
- resolver->setApplicationID((const char *)nameBuf.value);
+ m_initialized = true;
- if (saml != NULL && saml->getAssertion() != NULL)
- resolver->addToken(saml->getAssertion());
+ return true;
+}
- /* TODO inject RADIUS attribute types */
+static OM_uint32
+exportMechSecContext(OM_uint32 *minor,
+ gss_ctx_id_t gssCtx,
+ gss_buffer_t mechContext)
+{
+ OM_uint32 major;
+ gss_buffer_desc exportedCtx;
+ unsigned char *p;
+
+ assert(gssCtx->mechanismUsed != GSS_C_NO_OID);
+
+ major = gssEapExportSecContext(minor, gssCtx, &exportedCtx);
+ if (GSS_ERROR(major))
+ return major;
+
+ /*
+ * gss_import_sec_context expects the exported security context token
+ * to be tagged with the mechanism OID; in Heimdal and MIT, this is
+ * done by the mechglue, so if we are subverting the mechglue we need
+ * to add it ourselves.
+ */
+ mechContext->length = 4 + gssCtx->mechanismUsed->length + exportedCtx.length;
+ mechContext->value = p = (unsigned char *)GSSEAP_MALLOC(mechContext->length);
+ if (mechContext->value == NULL) {
+ gss_release_buffer(minor, &exportedCtx);
+ throw std::bad_alloc();
+ }
- resolver->resolveAttributes(m_attributes);
+ p = store_oid(gssCtx->mechanismUsed, p);
+ memcpy(p, exportedCtx.value, exportedCtx.length);
- gss_release_buffer(&minor, &nameBuf);
+ gss_release_buffer(minor, &exportedCtx);
- delete resolver;
- }
+ return GSS_S_COMPLETE;
}
-gss_eap_shib_attr_provider::~gss_eap_shib_attr_provider(void)
+bool
+gss_eap_shib_attr_provider::initWithGssContext(const gss_eap_attr_ctx *manager,
+ const gss_cred_id_t gssCred,
+ const gss_ctx_id_t gssCtx)
{
- for_each(m_attributes.begin(), m_attributes.end(), xmltooling::cleanup<Attribute>());
+ if (!gss_eap_attr_provider::initWithGssContext(manager, gssCred, gssCtx))
+ return false;
+
+ auto_ptr<ShibbolethResolver> resolver(ShibbolethResolver::create());
+
+ /*
+ * For now, leave ApplicationID defaulted.
+ * Later on, we could allow this via config option to the mechanism
+ * or rely on an SPRequest interface to pass in a URI identifying the
+ * acceptor.
+ */
+#if 0
+ gss_buffer_desc nameBuf = GSS_C_EMPTY_BUFFER;
+ if (gssCred != GSS_C_NO_CREDENTIAL &&
+ gssEapDisplayName(&minor, gssCred->name, &nameBuf, NULL) == GSS_S_COMPLETE) {
+ resolver->setApplicationID((const char *)nameBuf.value);
+ gss_release_buffer(&minor, &nameBuf);
+ }
+#endif
+
+ gss_buffer_desc mechContext = GSS_C_EMPTY_BUFFER;
+ OM_uint32 major, minor;
+ major = exportMechSecContext(&minor, gssCtx, &mechContext);
+ if (major == GSS_S_COMPLETE) {
+ resolver->addToken(&mechContext);
+ gss_release_buffer(&minor, &mechContext);
+ }
+
+ const gss_eap_saml_assertion_provider *saml;
+ saml = static_cast<const gss_eap_saml_assertion_provider *>
+ (m_manager->getProvider(ATTR_TYPE_SAML_ASSERTION));
+ if (saml != NULL && saml->getAssertion() != NULL) {
+ resolver->addToken(saml->getAssertion());
+ }
+
+ try {
+ resolver->resolve();
+ m_attributes = resolver->getResolvedAttributes();
+ resolver->getResolvedAttributes().clear();
+ } catch (exception &e) {
+ return false;
+ }
+
+ m_authenticated = true;
+ m_initialized = true;
+
+ return true;
}
-int
+ssize_t
gss_eap_shib_attr_provider::getAttributeIndex(const gss_buffer_t attr) const
{
int i = 0;
+ assert(m_initialized);
+
for (vector<Attribute *>::const_iterator a = m_attributes.begin();
a != m_attributes.end();
++a)
return -1;
}
-void
-gss_eap_shib_attr_provider::setAttribute(int complete,
+bool
+gss_eap_shib_attr_provider::setAttribute(int complete GSSEAP_UNUSED,
const gss_buffer_t attr,
const gss_buffer_t value)
{
string attrStr((char *)attr->value, attr->length);
- vector <string> ids(1);
-
- ids.push_back(attrStr);
-
+ vector <string> ids(1, attrStr);
SimpleAttribute *a = new SimpleAttribute(ids);
+ assert(m_initialized);
+
if (value->length != 0) {
- string valStr((char *)value->value, value->length);
+ string valueStr((char *)value->value, value->length);
- a->getValues().push_back(valStr);
+ a->getValues().push_back(valueStr);
}
m_attributes.push_back(a);
+ m_authenticated = false;
+
+ return true;
}
-void
+bool
gss_eap_shib_attr_provider::deleteAttribute(const gss_buffer_t attr)
{
int i;
+ assert(m_initialized);
+
i = getAttributeIndex(attr);
if (i >= 0)
m_attributes.erase(m_attributes.begin() + i);
+
+ m_authenticated = false;
+
+ return true;
}
bool
gss_eap_shib_attr_provider::getAttributeTypes(gss_eap_attr_enumeration_cb addAttribute,
void *data) const
{
+ assert(m_initialized);
+
for (vector<Attribute*>::const_iterator a = m_attributes.begin();
a != m_attributes.end();
++a)
attribute.value = (void *)((*a)->getId());
attribute.length = strlen((char *)attribute.value);
- if (!addAttribute(this, &attribute, data))
+ if (!addAttribute(m_manager, this, &attribute, data))
return false;
}
{
const Attribute *ret = NULL;
+ assert(m_initialized);
+
for (vector<Attribute *>::const_iterator a = m_attributes.begin();
a != m_attributes.end();
++a)
{
const Attribute *shibAttr = NULL;
gss_buffer_desc buf;
+ int nvalues, i = *more;
+
+ assert(m_initialized);
+
+ *more = 0;
shibAttr = getAttribute(attr);
if (shibAttr == NULL)
return false;
- if (*more == -1) {
- *more = 0;
- } else if (*more >= (int)shibAttr->valueCount()) {
- *more = 0;
- return true;
- }
+ nvalues = shibAttr->valueCount();
- buf.value = (void *)shibAttr->getString(*more);
+ if (i == -1)
+ i = 0;
+ else if (i >= nvalues)
+ return false;
+
+ buf.value = (void *)shibAttr->getSerializedValues()[*more].c_str();
buf.length = strlen((char *)buf.value);
- duplicateBuffer(buf, value);
-
- *authenticated = TRUE;
- *complete = FALSE;
+ if (buf.length != 0) {
+ if (value != NULL)
+ duplicateBuffer(buf, value);
+
+ if (display_value != NULL)
+ duplicateBuffer(buf, display_value);
+ }
+
+ if (authenticated != NULL)
+ *authenticated = m_authenticated;
+ if (complete != NULL)
+ *complete = false;
+
+ if (nvalues > ++i)
+ *more = i;
return true;
}
gss_any_t
gss_eap_shib_attr_provider::mapToAny(int authenticated,
- gss_buffer_t type_id) const
+ gss_buffer_t type_id GSSEAP_UNUSED) const
{
gss_any_t output;
+ assert(m_initialized);
+
+ if (authenticated && !m_authenticated)
+ return (gss_any_t)NULL;
+
vector <Attribute *>v = duplicateAttributes(m_attributes);
output = (gss_any_t)new vector <Attribute *>(v);
}
void
-gss_eap_shib_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id,
+gss_eap_shib_attr_provider::releaseAnyNameMapping(gss_buffer_t type_id GSSEAP_UNUSED,
gss_any_t input) const
{
+ assert(m_initialized);
+
vector <Attribute *> *v = ((vector <Attribute *> *)input);
delete v;
}
-void
-gss_eap_shib_attr_provider::marshall(gss_buffer_t buffer) const
+const char *
+gss_eap_shib_attr_provider::prefix(void) const
+{
+ return NULL;
+}
+
+const char *
+gss_eap_shib_attr_provider::name(void) const
{
+ return "local";
}
-gss_eap_attr_provider *
-gss_eap_shib_attr_provider::unmarshall(const gss_eap_attr_ctx *ctx,
- const gss_buffer_t buffer)
+JSONObject
+gss_eap_shib_attr_provider::jsonRepresentation(void) const
{
- return NULL;
+ JSONObject obj;
+
+ if (m_initialized == false)
+ return obj; /* don't export incomplete context */
+
+ JSONObject jattrs = JSONObject::array();
+
+ for (vector<Attribute*>::const_iterator a = m_attributes.begin();
+ a != m_attributes.end(); ++a) {
+ DDF attr = (*a)->marshall();
+ JSONObject jattr = JSONObject::ddf(attr);
+ jattrs.append(jattr);
+ }
+
+ obj.set("attributes", jattrs);
+
+ obj.set("authenticated", m_authenticated);
+
+ return obj;
+}
+
+bool
+gss_eap_shib_attr_provider::initWithJsonObject(const gss_eap_attr_ctx *ctx,
+ JSONObject &obj)
+{
+ if (!gss_eap_attr_provider::initWithJsonObject(ctx, obj))
+ return false;
+
+ assert(m_authenticated == false);
+ assert(m_attributes.size() == 0);
+
+ JSONObject jattrs = obj["attributes"];
+ size_t nelems = jattrs.size();
+
+ for (size_t i = 0; i < nelems; i++) {
+ JSONObject jattr = jattrs.get(i);
+
+ DDF attr = jattr.ddf();
+ Attribute *attribute = Attribute::unmarshall(attr);
+ m_attributes.push_back(attribute);
+ }
+
+ m_authenticated = obj["authenticated"].integer();
+ m_initialized = true;
+
+ return true;
}
bool
gss_eap_shib_attr_provider::init(void)
{
- return ShibbolethResolver::init();
+ if (!ShibbolethResolver::init())
+ return false;
+
+ gss_eap_attr_ctx::registerProvider(ATTR_TYPE_LOCAL, createAttrContext);
+
+ return true;
}
void
gss_eap_shib_attr_provider::finalize(void)
{
+ gss_eap_attr_ctx::unregisterProvider(ATTR_TYPE_LOCAL);
ShibbolethResolver::term();
}
-gss_eap_attr_provider *
-gss_eap_shib_attr_provider::createAttrContext(const gss_eap_attr_ctx *ctx,
- gss_cred_id_t gssCred,
- gss_ctx_id_t gssCtx)
+OM_uint32
+gss_eap_shib_attr_provider::mapException(OM_uint32 *minor,
+ std::exception &e) const
{
- return new gss_eap_shib_attr_provider(ctx, gssCred, gssCtx);
+ if (typeid(e) == typeid(AttributeException))
+ *minor = GSSEAP_SHIB_ATTR_FAILURE;
+ else if (typeid(e) == typeid(AttributeExtractionException))
+ *minor = GSSEAP_SHIB_ATTR_EXTRACT_FAILURE;
+ else if (typeid(e) == typeid(AttributeFilteringException))
+ *minor = GSSEAP_SHIB_ATTR_FILTER_FAILURE;
+ else if (typeid(e) == typeid(AttributeResolutionException))
+ *minor = GSSEAP_SHIB_ATTR_RESOLVE_FAILURE;
+ else if (typeid(e) == typeid(ConfigurationException))
+ *minor = GSSEAP_SHIB_CONFIG_FAILURE;
+ else if (typeid(e) == typeid(ListenerException))
+ *minor = GSSEAP_SHIB_LISTENER_FAILURE;
+ else
+ return GSS_S_CONTINUE_NEEDED;
+
+ gssEapSaveStatusInfo(*minor, "%s", e.what());
+
+ return GSS_S_FAILURE;
}
-static Attribute *
-duplicateAttribute(const Attribute *src)
+gss_eap_attr_provider *
+gss_eap_shib_attr_provider::createAttrContext(void)
{
- Attribute *attribute;
+ return new gss_eap_shib_attr_provider;
+}
+Attribute *
+gss_eap_shib_attr_provider::duplicateAttribute(const Attribute *src)
+{
DDF obj = src->marshall();
- attribute = Attribute::unmarshall(obj);
+ Attribute *attribute = Attribute::unmarshall(obj);
obj.destroy();
return attribute;
}
-static vector <Attribute *>
-duplicateAttributes(const vector <Attribute *>src)
+vector <Attribute *>
+gss_eap_shib_attr_provider::duplicateAttributes(const vector <Attribute *>src)
{
vector <Attribute *> dst;
return dst;
}
+
+OM_uint32
+gssEapLocalAttrProviderInit(OM_uint32 *minor)
+{
+ if (!gss_eap_shib_attr_provider::init()) {
+ *minor = GSSEAP_SHIB_INIT_FAILURE;
+ return GSS_S_FAILURE;
+ }
+ return GSS_S_COMPLETE;
+}
+
+OM_uint32
+gssEapLocalAttrProviderFinalize(OM_uint32 *minor)
+{
+ gss_eap_shib_attr_provider::finalize();
+
+ *minor = 0;
+ return GSS_S_COMPLETE;
+}