#include <typeinfo>
#include <string>
+#include <sstream>
#include <exception>
#include <new>
return ret;
}
-/*
- * Initialize a context from an exported context or name token
- */
+static DDF
+findSourceForProvider(DDF &sources, const char *key)
+{
+ DDF source = sources.first();
+
+ while (!source.isnull()) {
+ DDF obj = source.getmember(key);
+
+ if (strcmp(key, source.name()) == 0)
+ break;
+
+ source = sources.next();
+ }
+
+ return source;
+}
+
bool
-gss_eap_attr_ctx::initFromBuffer(const gss_buffer_t buffer)
+gss_eap_attr_ctx::unmarshallAndInit(DDF &obj)
{
- bool ret;
- gss_eap_attr_provider *primaryProvider = getPrimaryProvider();
- gss_buffer_desc primaryBuf;
+ bool ret = false;
+ bool foundSource[ATTR_TYPE_MAX + 1];
+ unsigned int type;
- if (buffer->length < 4)
- return false;
+ for (type = ATTR_TYPE_MIN; type <= ATTR_TYPE_MAX; type++)
+ foundSource[type] = false;
- m_flags = load_uint32_be(buffer->value);
+ if (obj["version"].integer() != 1)
+ return false;
- primaryBuf.length = buffer->length - 4;
- primaryBuf.value = (char *)buffer->value + 4;
+ m_flags = obj["flags"].integer();
- ret = primaryProvider->initFromBuffer(this, &primaryBuf);
- if (ret == false)
- return ret;
+ DDF sources = obj["sources"];
- for (unsigned int i = ATTR_TYPE_MIN; i <= ATTR_TYPE_MAX; i++) {
- gss_eap_attr_provider *provider;
+ /* Initialize providers from serialized state */
+ for (type = ATTR_TYPE_MIN; type <= ATTR_TYPE_MAX; type++) {
+ if (!providerEnabled(type)) {
+ releaseProvider(type);
+ continue;
+ }
- if (!providerEnabled(i)) {
- releaseProvider(i);
+ gss_eap_attr_provider *provider = m_providers[type];
+ const char *key = provider->marshallingKey();
+ if (key == NULL)
continue;
+
+ DDF source = findSourceForProvider(sources, key);
+ if (source.isnull() ||
+ !provider->unmarshallAndInit(this, source)) {
+ releaseProvider(type);
+ return false;
}
- provider = m_providers[i];
- if (provider == primaryProvider)
+ foundSource[type] = true;
+ }
+
+ /* Initialize remaining providers from initialized providers */
+ for (type = ATTR_TYPE_MIN; type <= ATTR_TYPE_MAX; type++) {
+ gss_eap_attr_provider *provider;
+
+ if (foundSource[type] || !providerEnabled(type))
continue;
+ provider = m_providers[type];
+
ret = provider->initFromGssContext(this,
GSS_C_NO_CREDENTIAL,
GSS_C_NO_CONTEXT);
if (ret == false) {
- releaseProvider(i);
- break;
+ releaseProvider(type);
+ return false;
}
}
+ return true;
+}
+
+DDF
+gss_eap_attr_ctx::marshall(void) const
+{
+ DDF obj(NULL);
+ unsigned int i;
+
+ obj.addmember("version").integer(1);
+ obj.addmember("flags").integer(m_flags);
+
+ DDF sources = obj.addmember("sources").list();
+
+ for (i = ATTR_TYPE_MIN; i <= ATTR_TYPE_MAX; i++) {
+ gss_eap_attr_provider *provider = m_providers[i];
+
+ if (provider == NULL)
+ continue; /* provider not initialised */
+
+ const char *key = provider->marshallingKey();
+ if (key == NULL)
+ continue; /* provider does not have state */
+
+ DDF source = provider->marshall();
+ sources.add(source.name(key));
+ }
+
+ return obj;
+}
+
+/*
+ * Initialize a context from an exported context or name token
+ */
+bool
+gss_eap_attr_ctx::initFromBuffer(const gss_buffer_t buffer)
+{
+ bool ret;
+
+ if (buffer->length == 0)
+ return false;
+
+ DDF obj(NULL);
+ std::string str((const char *)buffer->value, buffer->length);
+ std::istringstream source(str);
+
+ source >> obj;
+
+ ret = unmarshallAndInit(obj);
+
+ obj.destroy();
+
return ret;
}
};
static bool
-addAttribute(const gss_eap_attr_provider *provider,
+addAttribute(const gss_eap_attr_provider *provider GSSEAP_UNUSED,
const gss_buffer_t attribute,
void *data)
{
void
gss_eap_attr_ctx::exportToBuffer(gss_buffer_t buffer) const
{
- const gss_eap_attr_provider *primaryProvider = getPrimaryProvider();
- gss_buffer_desc tmp;
- unsigned char *p;
- OM_uint32 tmpMinor;
+ DDF obj = marshall();
+ std::ostringstream sink;
- primaryProvider->exportToBuffer(&tmp);
+ sink << obj;
+ std::string str = sink.str();
- buffer->length = 4 + tmp.length;
- buffer->value = GSSEAP_MALLOC(buffer->length);
- if (buffer->value == NULL)
- throw new std::bad_alloc;
-
- p = (unsigned char *)buffer->value;
- store_uint32_be(m_flags, p);
- memcpy(p + 4, tmp.value, tmp.length);
+ duplicateBuffer(str, buffer);
- gss_release_buffer(&tmpMinor, &tmp);
+ obj.destroy();
}
/*
gss_OID *MN_mech,
gss_buffer_set_t *attrs)
{
+ OM_uint32 major;
+
+ if (name_is_MN != NULL)
+ *name_is_MN = (name->mechanismUsed != GSS_C_NULL_OID);
+
+ if (MN_mech != NULL) {
+ major = gssEapCanonicalizeOid(minor, name->mechanismUsed,
+ OID_FLAG_NULL_VALID, MN_mech);
+ if (GSS_ERROR(major))
+ return major;
+ }
+
if (name->attrCtx == NULL) {
*minor = GSSEAP_NO_ATTR_CONTEXT;
return GSS_S_UNAVAILABLE;
if (name->attrCtx != NULL)
delete name->attrCtx;
+ *minor = 0;
return GSS_S_COMPLETE;
}
struct gss_eap_attr_ctx **pAttrContext,
time_t *pExpiryTime)
{
- gss_eap_attr_ctx *ctx;
+ gss_eap_attr_ctx *ctx = NULL;
OM_uint32 major;
assert(gssCtx != GSS_C_NO_CONTEXT);
if (GSS_ERROR(major))
return major;
+ *minor = GSSEAP_ATTR_CONTEXT_FAILURE;
+ major = GSS_S_FAILURE;
+
try {
ctx = new gss_eap_attr_ctx();
- if (!ctx->initFromGssContext(gssCred, gssCtx)) {
+ if (ctx->initFromGssContext(gssCred, gssCtx)) {
+ *minor = 0;
+ major = GSS_S_COMPLETE;
+ } else {
delete ctx;
- *minor = GSSEAP_ATTR_CONTEXT_FAILURE;
- return GSS_S_FAILURE;
}
} catch (std::exception &e) {
- major = ctx->mapException(minor, e);
- delete ctx;
- return major;
+ if (ctx != NULL)
+ major = ctx->mapException(minor, e);
}
- *pAttrContext = ctx;
- *pExpiryTime = ctx->getExpiryTime();
+ if (major == GSS_S_COMPLETE) {
+ *pAttrContext = ctx;
+ *pExpiryTime = ctx->getExpiryTime();
+ }
- *minor = 0;
- return GSS_S_COMPLETE;
+ return major;
}
projects / moonshot.git / blobdiff