// Initialize the options for the virtual host
void NiSetDefaultVhOption(NAT *n, VH_OPTION *o)
{
// Validate arguments
if (o == NULL)
{
return;
}
Zero(o, sizeof(VH_OPTION));
GenMacAddress(o->MacAddress);
// Set the virtual IP to 192.168.30.1/24
SetIP(&o->Ip, 192, 168, 30, 1);
SetIP(&o->Mask, 255, 255, 255, 0);
o->UseNat = true;
o->Mtu = 1500;
o->NatTcpTimeout = 1800;
o->NatUdpTimeout = 60;
o->UseDhcp = true;
SetIP(&o->DhcpLeaseIPStart, 192, 168, 30, 10);
SetIP(&o->DhcpLeaseIPEnd, 192, 168, 30, 200);
SetIP(&o->DhcpSubnetMask, 255, 255, 255, 0);
o->DhcpExpireTimeSpan = 7200;
o->SaveLog = true;
SetIP(&o->DhcpGatewayAddress, 192, 168, 30, 1);
SetIP(&o->DhcpDnsServerAddress, 192, 168, 30, 1);
GetDomainName(o->DhcpDomainName, sizeof(o->DhcpDomainName));
}
// 仮想ホストオプションの読み込み (拡張)
void NiLoadVhOptionEx(VH_OPTION *o, FOLDER *root)
{
FOLDER *host, *nat, *dhcp;
char mac_address[MAX_SIZE];
// 引数チェック
if (o == NULL || root == NULL)
{
return;
}
host = CfgGetFolder(root, "VirtualHost");
nat = CfgGetFolder(root, "VirtualRouter");
dhcp = CfgGetFolder(root, "VirtualDhcpServer");
Zero(o, sizeof(VH_OPTION));
GenMacAddress(o->MacAddress);
if (CfgGetStr(host, "VirtualHostMacAddress", mac_address, sizeof(mac_address)))
{
BUF *b = StrToBin(mac_address);
if (b != NULL)
{
if (b->Size == 6)
{
Copy(o->MacAddress, b->Buf, 6);
}
}
FreeBuf(b);
}
CfgGetIp(host, "VirtualHostIp", &o->Ip);
CfgGetIp(host, "VirtualHostIpSubnetMask", &o->Mask);
o->UseNat = CfgGetBool(nat, "NatEnabled");
o->Mtu = CfgGetInt(nat, "NatMtu");
o->NatTcpTimeout = CfgGetInt(nat, "NatTcpTimeout");
o->NatUdpTimeout = CfgGetInt(nat, "NatUdpTimeout");
o->UseDhcp = CfgGetBool(dhcp, "DhcpEnabled");
CfgGetIp(dhcp, "DhcpLeaseIPStart", &o->DhcpLeaseIPStart);
CfgGetIp(dhcp, "DhcpLeaseIPEnd", &o->DhcpLeaseIPEnd);
CfgGetIp(dhcp, "DhcpSubnetMask", &o->DhcpSubnetMask);
o->DhcpExpireTimeSpan = CfgGetInt(dhcp, "DhcpExpireTimeSpan");
CfgGetIp(dhcp, "DhcpGatewayAddress", &o->DhcpGatewayAddress);
CfgGetIp(dhcp, "DhcpDnsServerAddress", &o->DhcpDnsServerAddress);
CfgGetStr(dhcp, "DhcpDomainName", o->DhcpDomainName, sizeof(o->DhcpDomainName));
Trim(o->DhcpDomainName);
if (StrLen(o->DhcpDomainName) == 0)
{
//GetDomainName(o->DhcpDomainName, sizeof(o->DhcpDomainName));
}
o->SaveLog = CfgGetBool(root, "SaveLog");
}
// Generate a MAC address of the interface
void L3GenerateMacAddress(L3IF *f)
{
BUF *b;
UCHAR hash[SHA1_SIZE];
// Validate arguments
if (f == NULL)
{
return;
}
b = NewBuf();
WriteBuf(b, f->Switch->Name, StrLen(f->Switch->Name));
WriteBuf(b, f->HubName, StrLen(f->HubName));
WriteBuf(b, &f->IpAddress, sizeof(f->IpAddress));
GenMacAddress(f->MacAddress);
Hash(hash, b->Buf, b->Size, true);
Copy(f->MacAddress + 2, hash, 4);
f->MacAddress[1] = 0xA3;
FreeBuf(b);
}
// Initialize the packet adapter
bool NullPaInit(SESSION *s)
{
NULL_LAN *n;
// Validate arguments
if (s == NULL)
{
return false;
}
n = ZeroMalloc(sizeof(NULL_LAN));
s->PacketAdapter->Param = (void *)n;
n->Cancel = NewCancel();
n->PacketQueue = NewQueue();
n->Event = NewEvent();
GenMacAddress(n->MacAddr);
n->PacketGeneratorThread = NewThread(NullPacketGenerateThread, n);
return true;
}
// Create new local-bridge
BRIDGE *BrNewBridge(HUB *h, char *name, POLICY *p, bool local, bool monitor, bool tapmode, char *tapaddr, bool limit_broadcast, LOCALBRIDGE *parent_local_bridge)
{
BRIDGE *b;
POLICY *policy;
THREAD *t;
// Validate arguments
if (h == NULL || name == NULL || parent_local_bridge == NULL)
{
return NULL;
}
if (p == NULL)
{
policy = ClonePolicy(GetDefaultPolicy());
}
else
{
policy = ClonePolicy(p);
}
b = ZeroMalloc(sizeof(BRIDGE));
b->Cedar = h->Cedar;
b->Hub = h;
StrCpy(b->Name, sizeof(b->Name), name);
b->Policy = policy;
b->Local = local;
b->Monitor = monitor;
b->TapMode = tapmode;
b->LimitBroadcast = limit_broadcast;
b->ParentLocalBridge = parent_local_bridge;
if (b->TapMode)
{
if (tapaddr != NULL && IsZero(tapaddr, 6) == false)
{
Copy(b->TapMacAddress, tapaddr, 6);
}
else
{
GenMacAddress(b->TapMacAddress);
}
}
if (monitor)
{
// Enabling monitoring mode
policy->MonitorPort = true;
}
if (b->LimitBroadcast == false)
{
// Disable broadcast limiter
policy->NoBroadcastLimiter = true;
}
// Start thread
t = NewThread(BrBridgeThread, b);
WaitThreadInit(t);
ReleaseThread(t);
return b;
}
// Add a local-bridge
void AddLocalBridge(CEDAR *c, char *hubname, char *devicename, bool local, bool monitor, bool tapmode, char *tapaddr, bool limit_broadcast)
{
UINT i;
HUB *h = NULL;
LOCALBRIDGE *br = NULL;
// Validate arguments
if (c == NULL || hubname == NULL || devicename == NULL)
{
return;
}
if (OS_IS_UNIX(GetOsInfo()->OsType) == false)
{
tapmode = false;
}
LockList(c->HubList);
{
LockList(c->LocalBridgeList);
{
bool exists = false;
// Ensure that the same configuration local-bridge doesn't exist already
for (i = 0;i < LIST_NUM(c->LocalBridgeList);i++)
{
LOCALBRIDGE *br = LIST_DATA(c->LocalBridgeList, i);
if (StrCmpi(br->DeviceName, devicename) == 0)
{
if (StrCmpi(br->HubName, hubname) == 0)
{
if (br->TapMode == tapmode)
{
exists = true;
}
}
}
}
if (exists == false)
{
// Add configuration
br = ZeroMalloc(sizeof(LOCALBRIDGE));
StrCpy(br->HubName, sizeof(br->HubName), hubname);
StrCpy(br->DeviceName, sizeof(br->DeviceName), devicename);
br->Bridge = NULL;
br->Local = local;
br->TapMode = tapmode;
br->LimitBroadcast = limit_broadcast;
br->Monitor = monitor;
if (br->TapMode)
{
if (tapaddr != NULL && IsZero(tapaddr, 6) == false)
{
Copy(br->TapMacAddress, tapaddr, 6);
}
else
{
GenMacAddress(br->TapMacAddress);
}
}
Add(c->LocalBridgeList, br);
// Find the hub
for (i = 0;i < LIST_NUM(c->HubList);i++)
{
HUB *hub = LIST_DATA(c->HubList, i);
if (StrCmpi(hub->Name, br->HubName) == 0)
{
h = hub;
AddRef(h->ref);
break;
}
}
}
}
UnlockList(c->LocalBridgeList);
}
UnlockList(c->HubList);
// Start the local-bridge immediately
if (h != NULL && br != NULL && h->Type != HUB_TYPE_FARM_DYNAMIC)
{
Lock(h->lock_online);
{
if (h->Offline == false)
{
LockList(c->LocalBridgeList);
{
if (IsInList(c->LocalBridgeList, br))
{
if (br->Bridge == NULL)
{
br->Bridge = BrNewBridge(h, br->DeviceName, NULL, br->Local, br->Monitor, br->TapMode, br->TapMacAddress, br->LimitBroadcast, br);
}
}
}
UnlockList(c->LocalBridgeList);
}
}
Unlock(h->lock_online);
}
ReleaseHub(h);
}
// Read the virtual host option (extended)
void NiLoadVhOptionEx(VH_OPTION *o, FOLDER *root)
{
FOLDER *host, *nat, *dhcp;
char mac_address[MAX_SIZE];
// Validate arguments
if (o == NULL || root == NULL)
{
return;
}
host = CfgGetFolder(root, "VirtualHost");
nat = CfgGetFolder(root, "VirtualRouter");
dhcp = CfgGetFolder(root, "VirtualDhcpServer");
Zero(o, sizeof(VH_OPTION));
GenMacAddress(o->MacAddress);
if (CfgGetStr(host, "VirtualHostMacAddress", mac_address, sizeof(mac_address)))
{
BUF *b = StrToBin(mac_address);
if (b != NULL)
{
if (b->Size == 6)
{
Copy(o->MacAddress, b->Buf, 6);
}
}
FreeBuf(b);
}
CfgGetIp(host, "VirtualHostIp", &o->Ip);
CfgGetIp(host, "VirtualHostIpSubnetMask", &o->Mask);
o->UseNat = CfgGetBool(nat, "NatEnabled");
o->Mtu = CfgGetInt(nat, "NatMtu");
o->NatTcpTimeout = CfgGetInt(nat, "NatTcpTimeout");
o->NatUdpTimeout = CfgGetInt(nat, "NatUdpTimeout");
o->UseDhcp = CfgGetBool(dhcp, "DhcpEnabled");
CfgGetIp(dhcp, "DhcpLeaseIPStart", &o->DhcpLeaseIPStart);
CfgGetIp(dhcp, "DhcpLeaseIPEnd", &o->DhcpLeaseIPEnd);
CfgGetIp(dhcp, "DhcpSubnetMask", &o->DhcpSubnetMask);
o->DhcpExpireTimeSpan = CfgGetInt(dhcp, "DhcpExpireTimeSpan");
CfgGetIp(dhcp, "DhcpGatewayAddress", &o->DhcpGatewayAddress);
CfgGetIp(dhcp, "DhcpDnsServerAddress", &o->DhcpDnsServerAddress);
CfgGetIp(dhcp, "DhcpDnsServerAddress2", &o->DhcpDnsServerAddress2);
CfgGetStr(dhcp, "DhcpDomainName", o->DhcpDomainName, sizeof(o->DhcpDomainName));
CfgGetStr(dhcp, "DhcpPushRoutes", o->DhcpPushRoutes, sizeof(o->DhcpPushRoutes));
// Test code
// StrCpy(o->DhcpPushRoutes, sizeof(o->DhcpPushRoutes),
// "130.158.6.0/24/192.168.9.2 130.158.80.244/255.255.255.255/192.168.9.2");
NormalizeClasslessRouteTableStr(o->DhcpPushRoutes, sizeof(o->DhcpPushRoutes), o->DhcpPushRoutes);
o->ApplyDhcpPushRoutes = true;
Trim(o->DhcpDomainName);
if (StrLen(o->DhcpDomainName) == 0)
{
//GetDomainName(o->DhcpDomainName, sizeof(o->DhcpDomainName));
}
o->SaveLog = CfgGetBool(root, "SaveLog");
}
