// Release the packet adapter
void VLanPaFree(SESSION *s)
{
VLAN *v;
ROUTE_TRACKING *t;
// Validate arguments
if ((s == NULL) || ((v = s->PacketAdapter->Param) == NULL))
{
return;
}
// Release the IP address if you are using DHCP
if (IsNt())
{
char tmp[MAX_SIZE];
MS_ADAPTER *a;
UINT64 now = Tick64();
UINT64 suspend_tick = MsGetSuspendModeBeginTick();
if (suspend_tick == 0 || (suspend_tick + (UINT64)(30 * 1000)) < now)
{
Format(tmp, sizeof(tmp), VLAN_ADAPTER_NAME_TAG, v->InstanceName);
a = MsGetAdapter(tmp);
if (a != NULL)
{
if (a->UseDhcp)
{
bool ret = Win32ReleaseAddressByGuidEx(a->Guid, 50);
Debug("*** Win32ReleaseAddressByGuid = %u\n", ret);
}
MsFreeAdapter(a);
}
}
}
t = v->RouteState;
// End the virtual LAN card
FreeVLan(v);
// End the routing table tracking
if (s->ClientModeAndUseVLan)
{
RouteTrackingStop(s, t);
}
s->PacketAdapter->Param = NULL;
}
// Start tracking of the routing table
void RouteTrackingStart(SESSION *s)
{
VLAN *v;
ROUTE_TRACKING *t;
UINT if_id = 0;
ROUTE_ENTRY *e;
ROUTE_ENTRY *dns = NULL;
ROUTE_ENTRY *route_to_real_server_global = NULL;
char tmp[64];
UINT exclude_if_id = 0;
bool already_exists = false;
bool already_exists_by_other_account = false;
IP eight;
// Validate arguments
if (s == NULL)
{
return;
}
v = (VLAN *)s->PacketAdapter->Param;
if (v->RouteState != NULL)
{
return;
}
// Get the interface ID of the virtual LAN card
if_id = GetInstanceId(v->InstanceName);
Debug("[InstanceId of %s] = 0x%x\n", v->InstanceName, if_id);
if (MsIsVista())
{
// The routing table by the virtual LAN card body should be
// excluded explicitly in Windows Vista
exclude_if_id = if_id;
}
// Get the route to the server
e = GetBestRouteEntryEx(&s->ServerIP, exclude_if_id);
if (e == NULL)
{
// Acquisition failure
Debug("Failed to get GetBestRouteEntry().\n");
return;
}
IPToStr(tmp, sizeof(tmp), &e->GatewayIP);
Debug("GetBestRouteEntry() Succeed. [Gateway: %s]\n", tmp);
// Add a route
if (MsIsVista())
{
e->Metric = e->OldIfMetric;
}
if (AddRouteEntryEx(e, &already_exists) == false)
{
FreeRouteEntry(e);
e = NULL;
}
Debug("already_exists: %u\n", already_exists);
if (already_exists)
{
if (s->Cedar->Client != NULL && s->Account != NULL)
{
UINT i;
ACCOUNT *a;
for (i = 0;i < LIST_NUM(s->Cedar->Client->AccountList);i++)
{
a = LIST_DATA(s->Cedar->Client->AccountList, i);
Lock(a->lock);
{
SESSION *sess = a->ClientSession;
if (sess != NULL && sess != s)
{
VLAN *v = sess->PacketAdapter->Param;
if (v != NULL)
{
ROUTE_TRACKING *tr = v->RouteState;
if (tr != NULL && e != NULL)
{
if (Cmp(tr->RouteToServer, e, sizeof(ROUTE_ENTRY)) == 0)
{
already_exists_by_other_account = true;
}
}
}
}
}
Unlock(a->lock);
}
}
if (already_exists_by_other_account)
{
Debug("already_exists_by_other_account = %u\n", already_exists_by_other_account);
already_exists = false;
}
}
// Get the routing table to the DNS server
// (If the DNS server is this PC itself, there's no need to get)
if (IsZeroIP(&s->DefaultDns) == false)
{
if (IsMyIPAddress(&s->DefaultDns) == false)
{
dns = GetBestRouteEntryEx(&s->DefaultDns, exclude_if_id);
if (dns == NULL)
{
// Getting failure
Debug("Failed to get GetBestRouteEntry DNS.\n");
}
else
{
// Add a route
if (MsIsVista())
{
dns->Metric = dns->OldIfMetric;
if (AddRouteEntry(dns) == false)
{
FreeRouteEntry(dns);
dns = NULL;
}
}
}
}
}
if (s->IsAzureSession && IsZeroIP(&s->AzureRealServerGlobalIp) == false)
{
// Add also a static route to the real server in the case of via VPN Azure
if (IsMyIPAddress(&s->AzureRealServerGlobalIp) == false)
{
route_to_real_server_global = GetBestRouteEntryEx(&s->AzureRealServerGlobalIp, exclude_if_id);
if (route_to_real_server_global != NULL)
{
if (MsIsVista())
{
route_to_real_server_global->Metric = route_to_real_server_global->OldIfMetric;
}
if (AddRouteEntry(route_to_real_server_global) == false)
{
FreeRouteEntry(route_to_real_server_global);
route_to_real_server_global = NULL;
}
}
}
}
// Initialize
if (s->Cedar->Client != NULL && s->Account != NULL)
{
Lock(s->Account->lock);
}
t = ZeroMalloc(sizeof(ROUTE_TRACKING));
v->RouteState = t;
t->RouteToServerAlreadyExists = already_exists;
t->RouteToServer = e;
t->RouteToDefaultDns = dns;
t->RouteToRealServerGlobal = route_to_real_server_global;
t->VLanInterfaceId = if_id;
t->NextTrackingTime = 0;
t->DeletedDefaultGateway = NewQueue();
t->OldDefaultGatewayMetric = 0x7fffffff;
if (s->Cedar->Client != NULL && s->Account != NULL)
{
Unlock(s->Account->lock);
}
// Get the route to 8.8.8.8
SetIP(&eight, 8, 8, 8, 8);
t->RouteToEight = GetBestRouteEntryEx(&eight, exclude_if_id);
// Get the current default DNS server to detect network changes
GetDefaultDns(&t->OldDnsServer);
// Get as soon as releasing the IP address in the case of using DHCP
if (IsNt())
{
char tmp[MAX_SIZE];
MS_ADAPTER *a;
Format(tmp, sizeof(tmp), VLAN_ADAPTER_NAME_TAG, v->InstanceName);
a = MsGetAdapter(tmp);
if (a != NULL)
{
if (a->UseDhcp)
{
bool ret = Win32ReleaseAddressByGuidEx(a->Guid, 100);
Debug("*** Win32ReleaseAddressByGuidEx = %u\n", ret);
ret = Win32RenewAddressByGuidEx(a->Guid, 100);
Debug("*** Win32RenewAddressByGuidEx = %u\n", ret);
}
MsFreeAdapter(a);
}
}
else
{
// For Win9x
Win32RenewDhcp9x(if_id);
}
// Clear the DNS cache
Win32FlushDnsCache();
// Detect a change in the routing table (for only supported OS)
t->RouteChange = NewRouteChange();
Debug("t->RouteChange = 0x%p\n", t->RouteChange);
}
// Update status
void UtSpeedMeterDlgRefreshStatus(HWND hWnd)
{
char *title;
MS_ADAPTER *a;
UINT i;
// Validate arguments
if (hWnd == NULL)
{
return;
}
title = selected_adapter;
a = MsGetAdapter(title);
if (a == NULL)
{
LbReset(hWnd, L_STATUS);
Disable(hWnd, L_STATUS);
}
else
{
LVB *b;
wchar_t tmp[MAX_SIZE];
wchar_t tmp2[MAX_SIZE];
char str[MAX_SIZE];
b = LvInsertStart();
UniStrCpy(tmp, sizeof(tmp), a->TitleW);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_TITLE"), tmp);
StrToUni(tmp, sizeof(tmp), a->Guid);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_GUID"), tmp);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_TYPE"), MsGetAdapterTypeStr(a->Type));
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_TYPE2"), (!a->IsNotEthernetLan ? _UU("SEC_YES") : _UU("SEC_NO")));
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_STATUS"), MsGetAdapterStatusStr(a->Status));
UniToStr3(tmp, sizeof(tmp), a->Mtu);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_MTU"), tmp);
UniToStr3(tmp, sizeof(tmp), a->Speed);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_SPEED"), tmp);
Zero(str, sizeof(str));
BinToStrEx2(str, sizeof(str), a->Address, a->AddressSize, '-');
StrToUni(tmp, sizeof(tmp), str);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_ADDRESS"), tmp);
UniToStr3(tmp, sizeof(tmp), a->RecvBytes);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_RECV_BYTES"), tmp);
UniToStr3(tmp, sizeof(tmp), a->RecvPacketsBroadcast);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_RECV_BCASTS"), tmp);
UniToStr3(tmp, sizeof(tmp), a->RecvPacketsUnicast);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_RECV_UNICASTS"), tmp);
UniToStr3(tmp, sizeof(tmp), a->SendBytes);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_SEND_BYTES"), tmp);
UniToStr3(tmp, sizeof(tmp), a->SendPacketsBroadcast);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_SEND_BCASTS"), tmp);
UniToStr3(tmp, sizeof(tmp), a->SendPacketsUnicast);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_SEND_UNICASTS"), tmp);
for (i = 0;i < a->NumIpAddress;i++)
{
UniFormat(tmp2, sizeof(tmp2), _UU("UT_SM_ST_IP"), i + 1);
IPToUniStr(tmp, sizeof(tmp), &a->IpAddresses[i]);
LvInsertAdd(b, 0, NULL, 2, tmp2, tmp);
UniFormat(tmp2, sizeof(tmp2), _UU("UT_SM_ST_SUBNET"), i + 1);
IPToUniStr(tmp, sizeof(tmp), &a->SubnetMasks[i]);
LvInsertAdd(b, 0, NULL, 2, tmp2, tmp);
}
for (i = 0;i < a->NumGateway;i++)
{
UniFormat(tmp2, sizeof(tmp2), _UU("UT_SM_ST_GATEWAY"), i + 1);
IPToUniStr(tmp, sizeof(tmp), &a->Gateways[i]);
LvInsertAdd(b, 0, NULL, 2, tmp2, tmp);
}
if (a->UseDhcp)
{
IPToUniStr(tmp, sizeof(tmp), &a->DhcpServer);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_DHCP"), tmp);
GetDateTimeStrEx64(tmp, sizeof(tmp), a->DhcpLeaseStart, NULL);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_DHCP_1"), tmp);
GetDateTimeStrEx64(tmp, sizeof(tmp), a->DhcpLeaseExpires, NULL);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_DHCP_2"), tmp);
}
if (a->UseWins)
{
IPToUniStr(tmp, sizeof(tmp), &a->PrimaryWinsServer);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_WINS_1"), tmp);
IPToUniStr(tmp, sizeof(tmp), &a->SecondaryWinsServer);
LvInsertAdd(b, 0, NULL, 2, _UU("UT_SM_ST_WINS_2"), tmp);
}
LvInsertEnd(b, hWnd, L_STATUS);
Enable(hWnd, L_STATUS);
MsFreeAdapter(a);
}
}
