reactos/lib/dhcpcapi/dhcpcapi.c

   1 /* $Id: dllmain.c 12852 2005-01-06 13:58:04Z mf $
   2  *
   3  * COPYRIGHT:       See COPYING in the top level directory
   4  * PROJECT:         ReactOS system libraries
   5  * FILE:            lib/dhcpcapi/dhcpcapi.c
   6  * PURPOSE:         Client API for DHCP
   7  * PROGRAMMER:      arty (ayerkes@speakeasy.net)
   8  * UPDATE HISTORY:
   9  *                  Created 12/04/2005
  10  */
  11
  12 #include <roscfg.h>
  13 #include <winsock2.h>
  14 #include <dhcpcsdk.h>
  15 #include <dhcp/rosdhcp_public.h>
  16
  17 #define DHCP_TIMEOUT 1000
  18
  19 DWORD APIENTRY DhcpCApiInitialize(LPDWORD Version) {
  20     *Version = 2;
  21     return 0;
  22 }
  23
  24 VOID APIENTRY DhcpCApiCleanup() {
  25 }
  26
  27 DWORD APIENTRY DhcpQueryHWInfo( DWORD AdapterIndex,
  28                                      PDWORD MediaType,
  29                                      PDWORD Mtu,
  30                                      PDWORD Speed ) {
  31     COMM_DHCP_REQ Req;
  32     COMM_DHCP_REPLY Reply;
  33     DWORD BytesRead;
  34     BOOL Result;
  35
  36     Req.Type = DhcpReqQueryHWInfo;
  37     Req.AdapterIndex = AdapterIndex;
  38
  39     Result = CallNamedPipe
  40         ( DHCP_PIPE_NAME, &Req, sizeof(Req), &Reply, sizeof(Reply),
  41           &BytesRead, DHCP_TIMEOUT );
  42
  43     if( !Reply.Reply ) return 0;
  44     else {
  45         *MediaType = Reply.QueryHWInfo.MediaType;
  46         *Mtu = Reply.QueryHWInfo.Mtu;
  47         *Speed = Reply.QueryHWInfo.Speed;
  48         return 1;
  49     }
  50 }
  51
  52 DWORD APIENTRY DhcpLeaseIpAddress( DWORD AdapterIndex ) {
  53     COMM_DHCP_REQ Req;
  54     COMM_DHCP_REPLY Reply;
  55     DWORD BytesRead;
  56     BOOL Result;
  57
  58     Req.Type = DhcpReqLeaseIpAddress;
  59     Req.AdapterIndex = AdapterIndex;
  60
  61     Result = CallNamedPipe
  62         ( DHCP_PIPE_NAME, &Req, sizeof(Req), &Reply, sizeof(Reply),
  63           &BytesRead, DHCP_TIMEOUT );
  64
  65     return Reply.Reply;
  66 }
  67
  68 DWORD APIENTRY DhcpReleaseIpAddressLease( DWORD AdapterIndex ) {
  69     COMM_DHCP_REQ Req;
  70     COMM_DHCP_REPLY Reply;
  71     DWORD BytesRead;
  72     BOOL Result;
  73
  74     Req.Type = DhcpReqReleaseIpAddress;
  75     Req.AdapterIndex = AdapterIndex;
  76
  77     Result = CallNamedPipe
  78         ( DHCP_PIPE_NAME, &Req, sizeof(Req), &Reply, sizeof(Reply),
  79           &BytesRead, DHCP_TIMEOUT );
  80
  81     return Reply.Reply;
  82 }
  83
  84 DWORD APIENTRY DhcpRenewIpAddressLease( DWORD AdapterIndex ) {
  85     COMM_DHCP_REQ Req;
  86     COMM_DHCP_REPLY Reply;
  87     DWORD BytesRead;
  88     BOOL Result;
  89
  90     Req.Type = DhcpReqRenewIpAddress;
  91     Req.AdapterIndex = AdapterIndex;
  92
  93     Result = CallNamedPipe
  94         ( DHCP_PIPE_NAME, &Req, sizeof(Req), &Reply, sizeof(Reply),
  95           &BytesRead, DHCP_TIMEOUT );
  96
  97     return Reply.Reply;
  98 }
  99
 100 DWORD APIENTRY DhcpStaticRefreshParams( DWORD AdapterIndex,
 101                                              DWORD Address,
 102                                              DWORD Netmask ) {
 103     COMM_DHCP_REQ Req;
 104     COMM_DHCP_REPLY Reply;
 105     DWORD BytesRead;
 106     BOOL Result;
 107
 108     Req.Type = DhcpReqStaticRefreshParams;
 109     Req.AdapterIndex = AdapterIndex;
 110     Req.Body.StaticRefreshParams.IPAddress = Address;
 111     Req.Body.StaticRefreshParams.Netmask = Netmask;
 112
 113     Result = CallNamedPipe
 114         ( DHCP_PIPE_NAME, &Req, sizeof(Req), &Reply, sizeof(Reply),
 115           &BytesRead, DHCP_TIMEOUT );
 116
 117     return Reply.Reply;
 118 }
 119
 120 INT STDCALL
 121 DllMain(PVOID hinstDll,
 122         ULONG dwReason,
 123         PVOID reserved)
 124 {
 125    switch (dwReason)
 126      {
 127      case DLL_PROCESS_ATTACH:
 128         DisableThreadLibraryCalls(hinstDll);
 129         break;
 130
 131      case DLL_PROCESS_DETACH:
 132         break;
 133      }
 134
 135    return TRUE;
 136 }
 137
 138 /* EOF */