bool GDMonoField::has_attribute(GDMonoClass *p_attr_class) {
ERR_FAIL_NULL_V(p_attr_class, false);
if (!attrs_fetched)
fetch_attributes();
if (!attributes)
return false;
return mono_custom_attrs_has_attr(attributes, p_attr_class->get_raw());
}
bool GDMonoClass::has_attribute(GDMonoClass *p_attr_class) {
#ifdef DEBUG_ENABLED
ERR_FAIL_NULL_V(p_attr_class, false);
#endif
if (!attrs_fetched)
fetch_attributes();
if (!attributes)
return false;
return mono_custom_attrs_has_attr(attributes, p_attr_class->get_mono_ptr());
}
bool MonoMethod::hasAttribute(MonoClass* monoClass) const
{
// TODO - Consider caching custom attributes or just initializing them all at load
MonoCustomAttrInfo* attrInfo = mono_custom_attrs_from_method(mMethod);
if (attrInfo == nullptr)
return false;
bool hasAttr = mono_custom_attrs_has_attr(attrInfo, monoClass->_getInternalClass()) != 0;
mono_custom_attrs_free(attrInfo);
return hasAttr;
}
/*
* Ensure that the restrictions for partially trusted code are satisfied.
*
* @domain The current application domain
* @caller The method calling
* @callee The called method
* return value: TRUE if a security violation is detected, FALSE otherwise.
*
* If callee's assembly is strongnamed and doesn't have an
* [AllowPartiallyTrustedCallers] attribute then we must enforce a LinkDemand
* for FullTrust on all public/protected methods on public class.
*
* Note: APTC is only effective on stongnamed assemblies.
*/
static gboolean
mono_declsec_linkdemand_aptc (MonoDomain *domain, MonoMethod *caller, MonoMethod *callee)
{
MonoSecurityManager* secman = NULL;
MonoAssembly *assembly;
guint32 size = 0;
InterlockedIncrement (&mono_jit_stats.cas_linkdemand_aptc);
/* A - Applicable only if we're calling into *another* assembly */
if (caller->klass->image == callee->klass->image)
return FALSE;
/* B - Applicable if we're calling a public/protected method from a public class */
if (!(callee->klass->flags & TYPE_ATTRIBUTE_PUBLIC) || !(callee->flags & FIELD_ATTRIBUTE_PUBLIC))
return FALSE;
/* C - Applicable if the callee's assembly is strongnamed */
if ((mono_image_get_public_key (callee->klass->image, &size) == NULL) || (size < MONO_ECMA_KEY_LENGTH))
return FALSE;
/* D - the callee's assembly must have [AllowPartiallyTrustedCallers] */
assembly = mono_image_get_assembly (callee->klass->image);
if (!MONO_SECMAN_FLAG_INIT (assembly->aptc)) {
MonoCustomAttrInfo* cinfo = mono_custom_attrs_from_assembly (assembly);
gboolean result = FALSE;
secman = mono_security_manager_get_methods ();
if (secman && cinfo) {
/* look for AllowPartiallyTrustedCallersAttribute */
result = mono_custom_attrs_has_attr (cinfo, secman->allowpartiallytrustedcallers);
}
if (cinfo)
mono_custom_attrs_free (cinfo);
MONO_SECMAN_FLAG_SET_VALUE (assembly->aptc, result);
}
if (MONO_SECMAN_FLAG_GET_VALUE (assembly->aptc))
return FALSE;
/* E - the caller's assembly must have full trust permissions */
assembly = mono_image_get_assembly (caller->klass->image);
if (mono_declsec_is_assembly_fulltrust (domain, assembly))
return FALSE;
/* g_warning ("FAILURE *** JIT LinkDemand APTC check *** %s.%s calls into %s.%s",
caller->klass->name, caller->name, callee->klass->name, callee->name); */
return TRUE; /* i.e. throw new SecurityException(); */
}
bool MonoField::hasAttribute(MonoClass* monoClass)
{
// TODO - Consider caching custom attributes or just initializing them all at load
::MonoClass* parentClass = mono_field_get_parent(mField);
MonoCustomAttrInfo* attrInfo = mono_custom_attrs_from_field(parentClass, mField);
if(attrInfo == nullptr)
return false;
bool hasAttr = mono_custom_attrs_has_attr(attrInfo, monoClass->_getInternalClass()) != 0;
mono_custom_attrs_free(attrInfo);
return hasAttr;
}
