BOOLEAN CopyArgument(_Out_ OVS_ARGUMENT* pDest, _In_ const OVS_ARGUMENT* pSource)
{
OVS_CHECK(pDest);
OVS_CHECK(pSource);
pDest->type = pSource->type;
pDest->length = pSource->length;
pDest->isDisabled = pSource->isDisabled;
pDest->isNested = pSource->isNested;
pDest->freeData = pSource->freeData;
if (pDest->length)
{
pDest->data = KZAlloc(pDest->length);
if (!pDest->data)
{
return FALSE;
}
}
if (IsArgTypeGroup(pDest->type))
{
if (!CopyArgumentGroup(pDest->data, pSource->data, /*args more*/0))
{
DestroyArgumentGroup(pDest->data);
}
}
else
{
RtlCopyMemory(pDest->data, pSource->data, pDest->length);
}
return TRUE;
}
VOID DestroyArgumentData(_In_ OVS_ARGUMENT* pArg)
{
OVS_CHECK(pArg);
if (IsArgTypeGroup(pArg->type))
{
OVS_ARGUMENT_GROUP* pGroup = pArg->data;
DestroyArgumentGroup(pGroup);
}
else
{
//free arg data
if (pArg->freeData)
{
KFree(pArg->data);
}
}
}
static BOOLEAN _CreateActionsArgsToList(const OVS_ARGUMENT_GROUP* pArgGroup, OVS_ARGUMENT_SLIST_ENTRY** ppArgList)
{
BOOLEAN ok = TRUE;
for (UINT i = 0; i < pArgGroup->count; ++i)
{
const OVS_ARGUMENT* pArg = pArgGroup->args + i;
OVS_ARGTYPE argType = pArg->type;
switch (argType)
{
case OVS_ARGTYPE_ACTION_SETINFO_GROUP:
{
OVS_ARGUMENT_GROUP* pSetGroup = NULL;
OVS_ARGUMENT* pPacketInfoArg = NULL, *pSetArg = NULL;
pPacketInfoArg = _CreateSetActionArg(pArg);
if (!pPacketInfoArg)
{
return FALSE;
}
pSetGroup = KZAlloc(sizeof(OVS_ARGUMENT_GROUP));
if (!pSetGroup)
{
return FALSE;
}
pSetGroup->args = pPacketInfoArg;
pSetGroup->count = 1;
pSetGroup->groupSize = pPacketInfoArg->length + OVS_ARGUMENT_HEADER_SIZE;
pSetArg = KZAlloc(sizeof(OVS_ARGUMENT));
pSetArg->data = pSetGroup;
pSetArg->type = OVS_ARGTYPE_ACTION_SETINFO_GROUP;
pSetArg->length = pSetGroup->groupSize + OVS_ARGUMENT_GROUP_HEADER_SIZE;
if (!AppendArgumentToList(pSetArg, ppArgList))
{
return FALSE;
}
}
break;
case OVS_ARGTYPE_ACTION_SAMPLE_GROUP:
ok = _SampleActionToList(pArg->data, ppArgList);
if (!ok)
{
return FALSE;
}
break;
case OVS_ARGTYPE_ACTION_UPCALL_GROUP:
{
OVS_ARGUMENT_GROUP* pUpcallGroup = NULL;
OVS_ARGUMENT* pUpcallArg = NULL;
BOOLEAN ok = TRUE;
pUpcallGroup = KZAlloc(sizeof(OVS_ARGUMENT_GROUP));
if (NULL == pUpcallGroup)
{
return FALSE;
}
ok = CopyArgumentGroup(pUpcallGroup, pArg->data, /*actionsToAdd*/0);
if (!ok)
{
DestroyArgumentGroup(pUpcallGroup);
return FALSE;
}
pUpcallArg = CreateArgumentFromGroup(argType, pUpcallGroup);
if (!AppendArgumentToList(pUpcallArg, ppArgList))
{
return FALSE;
}
}
break;
default:
{
OVS_ARGUMENT* pDestArg = KAlloc(sizeof(OVS_ARGUMENT));
if (!pDestArg)
{
return FALSE;
}
CopyArgument(pDestArg, pArg);
if (!AppendArgumentToList(pDestArg, ppArgList))
{
return FALSE;
}
}
break;
}
}
return TRUE;
}
