dhcp_reactos.c File Reference

#include "iphlpapi_private.h"

Include dependency graph for dhcp_reactos.c:

Go to the source code of this file.

Functions
DWORD APIENTRY	DhcpRosGetAdapterInfo (DWORD AdapterIndex, PBOOL DhcpEnabled, PDWORD DhcpServer, time_t *LeaseObtained, time_t *LeaseExpires)
DWORD	getDhcpInfoForAdapter (DWORD AdapterIndex, PBOOL DhcpEnabled, PDWORD DhcpServer, time_t *LeaseObtained, time_t *LeaseExpires)

Function Documentation

DhcpRosGetAdapterInfo()

DWORD APIENTRY DhcpRosGetAdapterInfo	(	DWORD	AdapterIndex,
		PBOOL	DhcpEnabled,
		PDWORD	DhcpServer,
		time_t *	LeaseObtained,
		time_t *	LeaseExpires
	)

Get DHCP info for an adapter

Parameters

[in]	AdapterIndex	Index of the adapter (iphlpapi-style) for which info is requested
[out]	DhcpEnabled	Returns whether DHCP is enabled for the adapter
[out]	DhcpServer	Returns DHCP server IP address (255.255.255.255 if no server reached yet), in network byte order
[out]	LeaseObtained	Returns time at which the lease was obtained
[out]	LeaseExpires	Returns time at which the lease will expire

Returns

non-zero on success

Remarks

This is a ReactOS-only routine

Definition at line 300 of file dhcpcsvc.c.

{
    COMM_DHCP_REQ Req;
    COMM_DHCP_REPLY Reply;
    DWORD BytesRead;
    BOOL Result;
 
    ASSERT(PipeHandle != INVALID_HANDLE_VALUE);
 
    Req.Type = DhcpReqGetAdapterInfo;
    Req.AdapterIndex = AdapterIndex;
 
    Result = TransactNamedPipe(PipeHandle,
                               &Req, sizeof(Req),
                               &Reply, sizeof(Reply),
                               &BytesRead, NULL);
 
    if (Result && Reply.Reply != 0)
        *DhcpEnabled = Reply.GetAdapterInfo.DhcpEnabled;
    else
        *DhcpEnabled = FALSE;
 
    if (*DhcpEnabled)
    {
        *DhcpServer = Reply.GetAdapterInfo.DhcpServer;
        *LeaseObtained = Reply.GetAdapterInfo.LeaseObtained;
        *LeaseExpires = Reply.GetAdapterInfo.LeaseExpires;
    }
    else
    {
        *DhcpServer = INADDR_NONE;
        *LeaseObtained = 0;
        *LeaseExpires = 0;
    }
 
    return Reply.Reply;
}

Referenced by getDhcpInfoForAdapter().

getDhcpInfoForAdapter()

DWORD getDhcpInfoForAdapter	(	DWORD	AdapterIndex,
		PBOOL	DhcpEnabled,
		PDWORD	DhcpServer,
		time_t *	LeaseObtained,
		time_t *	LeaseExpires
	)

Definition at line 17 of file dhcp_reactos.c.

{
    DWORD Status, Version = 0;
 
    Status = DhcpCApiInitialize(&Version);
    if (Status != ERROR_SUCCESS)
    {
        /* We assume that the DHCP service isn't running yet */
        *DhcpEnabled = FALSE;
        *DhcpServer = htonl(INADDR_NONE);
        *LeaseObtained = 0;
        *LeaseExpires = 0;
        return ERROR_SUCCESS;
    }
 
    Status = DhcpRosGetAdapterInfo(AdapterIndex, DhcpEnabled, DhcpServer,
                                   LeaseObtained, LeaseExpires);
 
    DhcpCApiCleanup();
 
    return Status;
}

Referenced by GetAdaptersInfo().