如何用VC编程实现IP ipconfig /release 和 ipconfig/renew 同样的功能, 在线等到,急急急!!!!

langren770 2008-07-17 11:45:05

如果用VC编程实现释放DHCP动态分配的IP和重新获得DHCP分配的新的IP,最好有代码,兄弟在此先谢了!!!!!

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wyx100 2012-04-26

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回复于：2008-07-17 13:37:25调试下ipconfig.exe，看看它使用什么函数就行了，据我所知，应该是iphlpapi.h里的windows API

WinEggDrop 2008-07-17

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#include <windows.h>
#include <iphlpapi.h>
#include <stdio.h>

void Usage(void) {
printf("Usage: Iprenew [ -l ] [ -r<index id> ] [ -n<index id>]\n\n"
"\t -l List adapters with corresponding index ID information\n"
"\t -r Release IP address for adapter index ID\n"
"\t -n Renew IP address for adapter index ID\n");
}

void main(int argc, char *argv[])
{
DWORD InterfaceInfoSize = 0;
PIP_INTERFACE_INFO pInterfaceInfo;
DWORD Err;
INT i;
PIP_ADAPTER_INFO pAdapterInfo, pAdapt;
DWORD AdapterInfoSize = 0;
DWORD Index = (DWORD) -1;
BOOL OptList = FALSE;
BOOL OptRelease = FALSE;
BOOL OptRenew = FALSE;

if (argc < 2)
{
Usage();
return;
}
for (i = 1; i < argc; i++)
{
if ((argv[i][0] == '-') || (argv[i][0] == '/'))
{
switch(tolower(argv[i][1]))
{
case 'l':
OptList = TRUE;
break;
case 'r':
OptRelease = TRUE;
if (strlen(argv[i]) > 2)
Index = atoi(&argv[i][2]);
break;
case 'n':
OptRenew = TRUE;
if (strlen(argv[i]) > 2)
Index = atoi(&argv[i][2]);
break;
default:
Usage();
return;
}
}
else
{
Usage();
return;
}
}

// Check options
if ((OptRelease && Index == -1) || (OptRenew && Index == -1))
{
Usage();
return;
}

if (OptList)
{
if ((Err = GetAdaptersInfo(NULL, &AdapterInfoSize)) != 0)
{
if (Err != ERROR_BUFFER_OVERFLOW)
{
printf("GetAdaptersInfo sizing failed with error %d\n", Err);
return;
}
}

// Allocate memory from sizing information
if ((pAdapterInfo = (PIP_ADAPTER_INFO) GlobalAlloc(GPTR, AdapterInfoSize)) == NULL)
{
printf("Memory allocation error\n");
return;
}

// Get actual adapter information
if ((Err = GetAdaptersInfo(pAdapterInfo, &AdapterInfoSize)) != 0)
{
printf("GetAdaptersInfo failed with error %d\n", Err);
return;
}

pAdapt = pAdapterInfo;

printf("Index Adapter\n");
while (pAdapt)
{
printf("%-10.i%s\n", pAdapt->Index, pAdapt->Description);
pAdapt = pAdapt->Next;
}
}

if ((Err = GetInterfaceInfo(NULL, &InterfaceInfoSize)) != 0)
{
if (Err != ERROR_INSUFFICIENT_BUFFER)
{
printf("GetInterfaceInfo sizing failed with error %d\n", Err);
return;
}
}

// Allocate memory from sizing information
if ((pInterfaceInfo = (PIP_INTERFACE_INFO) GlobalAlloc(GPTR, InterfaceInfoSize)) == NULL)
{
printf("Memory allocation error\n");
return;
}

// Get actual adapter information
if ((Err = GetInterfaceInfo(pInterfaceInfo, &InterfaceInfoSize)) != 0)
{
printf("GetInterfaceInfo failed with error %d\n", Err);
return;
}

if (OptRelease)
{
for (i = 0; i < pInterfaceInfo->NumAdapters; i++)
if (Index == pInterfaceInfo->Adapter[i].Index)
{
if ((Err = IpReleaseAddress(&pInterfaceInfo->Adapter[i])) != 0)
{
printf("IpReleaseAddress failed with error %d\n", Err);
return;
}
break;
}
}

if (OptRenew)
{
for (i = 0; i < pInterfaceInfo->NumAdapters; i++)
if (Index == pInterfaceInfo->Adapter[i].Index)
{
if ((Err = IpRenewAddress(&pInterfaceInfo->Adapter[i])) != 0)
{
printf("IpRenewAddress failed with error %d\n", Err);
return;
}
break;
}
}
}

上面是微软SDK中带的代码

renxianfu 2008-07-17