329 lines
10 KiB
Plaintext
329 lines
10 KiB
Plaintext
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Issues
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------
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WAN devices vs. LAN devices. Can we gen an indications of the "subclass"?
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Last protocol to be removed should cause something to happen with RAS.
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Can we reference count adapter installs? (Maybe for Beta2)
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RasCli, RasSrv, RasRtr NetworkInstall and Install
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-------------------------------------------------
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Install NdisWan
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NdisWan NetworkInstall and Install
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----------------------------------
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Install PPTP
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RasCli QueryBindingInterface (NCN_LOWER)
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----------------------------------------
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if (binding == "rasPortUse") // enable dial-out port
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{
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// if a component is being added, default the binding
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// to disabled on the server product.
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if (NCN_ADD && FProdServer)
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return NETCFG_DISABLEQUERY
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}
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RasSrv QueryBindingInterface (NCN_LOWER)
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----------------------------------------
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if (binding == "rasPortUse") // enable dial-in port
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{
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// if a component is being added, default the binding
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// to disabled on the workstation product.
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if (NCN_ADD && FProdWorkstation)
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{
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return NETCG_S_DISABLE_QUERY
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}
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// if someone is trying to enable this binding on
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// the workstation product, veto it if we already have
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// at least one binding of this type enabled.
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if (NBF_ENABLED && FProdWorkstation)
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{
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Iterate our enabled binding paths
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Iterate the binding interfaces along this path
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if (GetName == "rasPortUse")
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return NETCFG_S_VETO_QUERY
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}
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}
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PPTP
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----
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NetworkInstall and Install
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{
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AddVpnEndpoints(1)
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}
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ApplyProperties
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{
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dEndpoints = nEnpointsNew - nEndpointsCur;
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if (dEndpoints > 0)
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AddEndpoints(dEndpoints)
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else if (dEndpoints < 0)
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RemoveEndpoints(-dEndpoints)
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Write registry parameters
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}
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AddVpnEndpoints(n)
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{
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Add n components with device id of "VaPptpEndpoint"
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}
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RemoveVpnEndpoints(n)
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{
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Remove first n components with device id of "VaPptpEndpoint"
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}
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NdisWan
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-------
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Add Protocol -or- Enable binding over "rasTransUse" interface.
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(Handle this via SysNotifyBindingInterface(NCN_ENABLE) for "rasTransUse")
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{
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nDialOut = Get number of dial-out adapters bound below using "ndisWanAdapter"
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nDialIn = Get number of dial-in adapters bound below using "ndisWanAdapter"
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{
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Get RasCli component using INetCfg and INetCfgClass
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Get RasSrv component using INetCfg and INetCfgClass
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Iterate our enabled binding paths
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Iterate binding interfaces along this path
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if (GetName == "ndisWanAdapter")
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{
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GetLowerComponent // this is the adapter
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GetPortUsage(LowerComponent, &fDialOut, &fDialIn)
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if (fDialOut) nDialOut++
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if (fDialIn) nDialIn++
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}
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}
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Create WanWrap devices for protocol being added
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{
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if (protocol == "Ip")
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{
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AddComponentNTimes("WanwrapIpOut", nDialOut)
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if (nDialIn > 0)
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AddComponentRefCount("WanwrapIpIn", &m_cRefIpIn)
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}
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else if (protocol == "Ipx")
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{
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if ((nDialOut > 0) || (nDialIn > 0))
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AddComponentRefCount("WanwrapIpx", &m_cRefIpx)
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}
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else if (protocol == "Nbf")
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{
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AddComponentNTimes("WanwrapNbfOut", nDialOut)
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AddComponentNTimes("WanwrapNbfIn", nDialIn)
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}
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}
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}
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Remove Protocol -or- Disable binding over "rasTransUse" interface.
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(Handle this via SysNotifyBindingInterface(NCN_DISABLE) for "rasTransUse")
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{
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Get a pointer to the constant, static list of binding interfaces that
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involve this protocol.
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{
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if (protocol == "Ip")
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list = { WanwrapIpIn, WanwrapIpOut }
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else if (protocol == "Ipx")
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list = { WanwrapIpx }
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else if (protocol == "Nbf")
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list = { WanwrapNbfIn, WanwrapNbfOut }
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}
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Iterate our lower binding paths
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Iterate binding interfaces along this path
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if (GetName is in list)
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Remove the lower component
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}
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Add WAN Adapter
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(Handle this via NotifyBindingInterface(NCN_LOWER | NCN_ENABLE) for "ndisWanAdapter")
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{
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if (Component supports upper-edge interface of "rasPortUse")
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{
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return S_OK;
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// We'll pick up this change when we get a SysNotifyBindingInterface
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// for "rasPortUse". If we did it here as well, we'd be adding
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// wan wrappers twice and we don't want to do that.
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}
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// Otherwise, we're adding a port which cannot have its usage controlled.
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// Therefore, its both dial-in and dial-out.
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fDialOut = TRUE;
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fDialIn = TRUE;
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AddWanWrapperForAllProtocols(fDialOut, fDialIn)
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}
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Enable binding over "rasPortUse" interface.
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(Handle this via SysNotifyBindingInterface(NCN_ENABLE) for "rasPortUse")
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{
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GetPortUsage(Component, &fDialOut, &fDialIn)
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AddWanWrappersForAllProtocols(fDialOut, fDialIn);
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}
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Remove WAN Adapter
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(Handle this via NotifyBindingInterface(NCN_LOWER | NCN_DISABLE) for "ndisWanAdapter")
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{
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if (Component supports upper-edge interface of "rasPortUse")
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{
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return S_OK;
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// We'll pick up this change when we get a SysNotifyBindingInterface
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// for "rasPortUse". If we did it here as well, we'd be adding
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// wan wrappers twice and we don't want to do that.
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}
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// Otherwise, we're removing a port which cannot have its usage controlled.
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// Therefore, its both dial-in and dial-out.
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fDialOut = TRUE;
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fDialIn = TRUE;
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RemoveWanWrapperForAllProtocols(fDialOut, fDialIn)
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}
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Disable binding over "rasPortUse" interface.
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(Handle this via SysNotifyBindingInterface(NCN_DISABLE) for "rasPortUse")
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{
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GetPortUsage(Component, &fDialOut, &fDialIn)
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RemoveWanWrapperForAllProtocols(fDialOut, fDialIn);
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}
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Helper function: GetPortUsage(Component*, pfDialOut, pfDialIn)
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{
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if (Component does not support an upper-edge binding
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interface of "rasPortUse")
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{
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*pfDialOut = *pfDialIn = TRUE
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}
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else
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{
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if (LowerComponent->IsBoundTo(RasCli))
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*pfDialOut = TRUE
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if (LowerComponent->IsBoundTo(RasSrv))
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*pfDialIn = TRUE
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}
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}
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Helper function: AddWanWrapperForAllProtocols(fDialOut, fDialIn)
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{
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Get Ip component using INetCfg and INetCfgClass
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Get Ipx component using INetCfg and INetCfgClass
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Get Nbf component using INetCfg and INetCfgClass
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if (fDialOut)
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{
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if (Ip && Ip->IsBoundTo(RasCli))
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AddComponent("WanwrapIpOut") (no more than 64)
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if (Ipx && Ipx->IsBoundTo(RasCli))
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AddComponentRefCount("WanwrapIpx", &m_cRefIpx)
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if (Nbf && Nbf->IsBoundTo(RasCli))
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AddComponent("WanwrapNbfOut") (no more than 255)
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}
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if (fDialIn)
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{
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if (Ip && Ip->IsBoundTo(RasSrv))
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AddComponentRefCount("WanwrapIpIn", &m_cRefIpIn)
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if (Ipx && Ipx->IsBoundTo(RasSrv))
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AddComponentRefCount("WanwrapIpx", &m_cRefIpx)
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if (Nbf && Nbf->IsBoundTo(RasSrv))
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AddComponent("WanwrapNbfIn")
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}
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}
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Helper function: RemoveWanWrapperForAllProtocols(fDialOut, fDialIn)
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{
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Get Ip component using INetCfg and INetCfgClass
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Get Ipx component using INetCfg and INetCfgClass
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Get Nbf component using INetCfg and INetCfgClass
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if (fDialOut)
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{
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if (Ip && Ip->IsBoundTo(RasCli))
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RemoveComponent("WanwrapIpOut")
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if (Ipx && Ipx->IsBoundTo(RasCli))
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RemoveComponentRefCount("WanwrapIpx", &m_cRefIpx)
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if (Nbf && Nbf->IsBoundTo(RasCli))
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RemoveComponent("WanwrapNbfOut")
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}
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if (fDialIn)
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{
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if (Ip && Ip->IsBoundTo(RasSrv))
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RemoveComponentRefCount("WanwrapIpIn", &m_cRefIpIn)
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if (Ipx && Ipx->IsBoundTo(RasSrv))
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RemoveComponentRefCount("WanwrapIpx", &m_cRefIpx)
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if (Nbf && Nbf->IsBoundTo(RasSrv))
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RemoveComponent("WanwrapNbfIn")
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}
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}
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#ifdef NEVER
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//--------------------------------------------------------
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// Get the interface to enumerate our binding paths.
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IEnumNetCfgBindingPath* pebp;
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if (SUCCEEDED(hr = m_pnccMe->EnumBindingPaths(&pebp)))
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{
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CIEnumIter<IEnumNetCfgBindingPath, INetCfgBindingPath> ei(pebp);
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INetCfgBindingPath* pncbp;
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while (SUCCEEDED(hr = ei.HrNext(&pncbp)) && (S_FALSE != hr))
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{
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ReleaseObj(pncbp);
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}
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// Get the next batch of binding path interfaces.
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const ULONG c_celtBatch = 512;
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ULONG celtFetched;
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INetCfgBindingPath* apbp;
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do
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{
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if (SUCCEEDED(hr = pebp->Next(c_celtBatch, &apbp, &celtFetched)))
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{
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// Make sure the implementor of Next is obeying the rules.
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Assert(FImplies((S_OK == hr), (celtFetched == c_celtBatch)));
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// Iterate this batch of interfaces.
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INetCfgBindingPath* pncbp;
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for (pncbp = apbp; pncbp < apbp + celtFetched; pncbp++)
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{
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//--------------------------------------------------------
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// Get the interface to enumerate the interfaces along this path.
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ReleaseObj(pncbp);
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}
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// Free this batch of binding path interfaces;
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CoTaskMemFree(apbp);
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}
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}
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while (SUCCEEDED(hr) && (celtFetched >= c_celtBatch));
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// Release the binding path enumerator.
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ReleaseObj(pebp);
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}
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#endif
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