mirror of
https://github.com/reactos/reactos.git
synced 2024-08-28 22:28:36 +00:00
245 lines
6.5 KiB
C
245 lines
6.5 KiB
C
/*
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* COPYRIGHT: See COPYING in the top level directory
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* PROJECT: ReactOS kernel
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* FILE: subsys/system/dhcp/api.c
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* PURPOSE: DHCP client api handlers
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* PROGRAMMER: arty
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*/
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#include <rosdhcp.h>
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#define NDEBUG
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#include <reactos/debug.h>
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static CRITICAL_SECTION ApiCriticalSection;
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extern HANDLE AdapterStateChangedEvent;
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VOID ApiInit() {
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InitializeCriticalSection( &ApiCriticalSection );
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}
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VOID ApiLock() {
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EnterCriticalSection( &ApiCriticalSection );
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}
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VOID ApiUnlock() {
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LeaveCriticalSection( &ApiCriticalSection );
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}
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VOID ApiFree() {
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DeleteCriticalSection( &ApiCriticalSection );
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}
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/* This represents the service portion of the DHCP client API */
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DWORD DSLeaseIpAddress( PipeSendFunc Send, COMM_DHCP_REQ *Req ) {
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COMM_DHCP_REPLY Reply;
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PDHCP_ADAPTER Adapter;
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struct protocol* proto;
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ApiLock();
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Adapter = AdapterFindIndex( Req->AdapterIndex );
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Reply.Reply = Adapter ? 1 : 0;
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if( Adapter ) {
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proto = find_protocol_by_adapter( &Adapter->DhclientInfo );
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if (proto)
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remove_protocol(proto);
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add_protocol( Adapter->DhclientInfo.name,
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Adapter->DhclientInfo.rfdesc, got_one,
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&Adapter->DhclientInfo );
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Adapter->DhclientInfo.client->state = S_INIT;
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state_reboot(&Adapter->DhclientInfo);
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if (AdapterStateChangedEvent != NULL)
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SetEvent(AdapterStateChangedEvent);
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}
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ApiUnlock();
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return Send( &Reply );
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}
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DWORD DSQueryHWInfo( PipeSendFunc Send, COMM_DHCP_REQ *Req ) {
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COMM_DHCP_REPLY Reply;
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PDHCP_ADAPTER Adapter;
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ApiLock();
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Adapter = AdapterFindIndex( Req->AdapterIndex );
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Reply.Reply = Adapter ? 1 : 0;
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if (Adapter) {
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Reply.QueryHWInfo.AdapterIndex = Req->AdapterIndex;
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Reply.QueryHWInfo.MediaType = Adapter->IfMib.dwType;
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Reply.QueryHWInfo.Mtu = Adapter->IfMib.dwMtu;
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Reply.QueryHWInfo.Speed = Adapter->IfMib.dwSpeed;
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}
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ApiUnlock();
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return Send( &Reply );
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}
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DWORD DSReleaseIpAddressLease( PipeSendFunc Send, COMM_DHCP_REQ *Req ) {
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COMM_DHCP_REPLY Reply;
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PDHCP_ADAPTER Adapter;
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struct protocol* proto;
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ApiLock();
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Adapter = AdapterFindIndex( Req->AdapterIndex );
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Reply.Reply = Adapter ? 1 : 0;
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if( Adapter ) {
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if (Adapter->NteContext)
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{
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DeleteIPAddress( Adapter->NteContext );
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Adapter->NteContext = 0;
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}
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if (Adapter->RouterMib.dwForwardNextHop)
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{
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DeleteIpForwardEntry( &Adapter->RouterMib );
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Adapter->RouterMib.dwForwardNextHop = 0;
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}
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proto = find_protocol_by_adapter( &Adapter->DhclientInfo );
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if (proto)
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remove_protocol(proto);
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Adapter->DhclientInfo.client->active = NULL;
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Adapter->DhclientInfo.client->state = S_INIT;
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if (AdapterStateChangedEvent != NULL)
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SetEvent(AdapterStateChangedEvent);
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}
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ApiUnlock();
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return Send( &Reply );
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}
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DWORD DSRenewIpAddressLease( PipeSendFunc Send, COMM_DHCP_REQ *Req ) {
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COMM_DHCP_REPLY Reply;
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PDHCP_ADAPTER Adapter;
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struct protocol* proto;
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ApiLock();
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Adapter = AdapterFindIndex( Req->AdapterIndex );
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if( !Adapter || Adapter->DhclientState.state == S_STATIC ) {
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Reply.Reply = 0;
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ApiUnlock();
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return Send( &Reply );
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}
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Reply.Reply = 1;
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proto = find_protocol_by_adapter( &Adapter->DhclientInfo );
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if (proto)
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remove_protocol(proto);
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add_protocol( Adapter->DhclientInfo.name,
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Adapter->DhclientInfo.rfdesc, got_one,
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&Adapter->DhclientInfo );
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Adapter->DhclientInfo.client->state = S_INIT;
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state_reboot(&Adapter->DhclientInfo);
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if (AdapterStateChangedEvent != NULL)
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SetEvent(AdapterStateChangedEvent);
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ApiUnlock();
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return Send( &Reply );
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}
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DWORD DSStaticRefreshParams( PipeSendFunc Send, COMM_DHCP_REQ *Req ) {
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NTSTATUS Status;
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COMM_DHCP_REPLY Reply;
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PDHCP_ADAPTER Adapter;
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struct protocol* proto;
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ApiLock();
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Adapter = AdapterFindIndex( Req->AdapterIndex );
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Reply.Reply = Adapter ? 1 : 0;
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if( Adapter ) {
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if (Adapter->NteContext)
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{
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DeleteIPAddress( Adapter->NteContext );
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Adapter->NteContext = 0;
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}
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if (Adapter->RouterMib.dwForwardNextHop)
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{
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DeleteIpForwardEntry( &Adapter->RouterMib );
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Adapter->RouterMib.dwForwardNextHop = 0;
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}
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Adapter->DhclientState.state = S_STATIC;
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proto = find_protocol_by_adapter( &Adapter->DhclientInfo );
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if (proto)
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remove_protocol(proto);
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Status = AddIPAddress( Req->Body.StaticRefreshParams.IPAddress,
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Req->Body.StaticRefreshParams.Netmask,
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Req->AdapterIndex,
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&Adapter->NteContext,
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&Adapter->NteInstance );
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Reply.Reply = NT_SUCCESS(Status);
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if (AdapterStateChangedEvent != NULL)
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SetEvent(AdapterStateChangedEvent);
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}
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ApiUnlock();
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return Send( &Reply );
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}
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DWORD DSGetAdapterInfo( PipeSendFunc Send, COMM_DHCP_REQ *Req ) {
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COMM_DHCP_REPLY Reply;
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PDHCP_ADAPTER Adapter;
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ApiLock();
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Adapter = AdapterFindIndex( Req->AdapterIndex );
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Reply.Reply = Adapter ? 1 : 0;
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if( Adapter ) {
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Reply.GetAdapterInfo.DhcpEnabled = (S_STATIC != Adapter->DhclientState.state);
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if (S_BOUND == Adapter->DhclientState.state) {
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if (sizeof(Reply.GetAdapterInfo.DhcpServer) ==
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Adapter->DhclientState.active->serveraddress.len) {
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memcpy(&Reply.GetAdapterInfo.DhcpServer,
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Adapter->DhclientState.active->serveraddress.iabuf,
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Adapter->DhclientState.active->serveraddress.len);
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} else {
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DPRINT1("Unexpected server address len %d\n",
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Adapter->DhclientState.active->serveraddress.len);
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Reply.GetAdapterInfo.DhcpServer = htonl(INADDR_NONE);
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}
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Reply.GetAdapterInfo.LeaseObtained = Adapter->DhclientState.active->obtained;
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Reply.GetAdapterInfo.LeaseExpires = Adapter->DhclientState.active->expiry;
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} else {
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Reply.GetAdapterInfo.DhcpServer = htonl(INADDR_NONE);
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Reply.GetAdapterInfo.LeaseObtained = 0;
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Reply.GetAdapterInfo.LeaseExpires = 0;
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}
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}
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ApiUnlock();
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return Send( &Reply );
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}
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