Leaked source code of windows server 2003
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140 lines
3.8 KiB

/*++
Copyright (c) 2002 Microsoft Corporation
Module Name:
Resonate.cpp
Abstract:
The name of the TCP loopback adapter was changed from MS Loopback Adapter to
Microsoft Loopback Adapter. Resonate looks for the old name.
Notes:
This is an app specific shim.
History:
08/12/2002 robkenny Created
--*/
#include "precomp.h"
#include "Iphlpapi.h"
IMPLEMENT_SHIM_BEGIN(Resonate)
#include "ShimHookMacro.h"
APIHOOK_ENUM_BEGIN
APIHOOK_ENUM_ENTRY(GetAdaptersInfo)
APIHOOK_ENUM_ENTRY(GetIfTable)
APIHOOK_ENUM_ENTRY(GetIfEntry)
APIHOOK_ENUM_END
typedef DWORD (*_pfn_GetAdaptersInfo)(PIP_ADAPTER_INFO pAdapterInfo, PULONG pOutBufLen);
typedef DWORD (*_pfn_GetIfTable)( PMIB_IFTABLE pIfTable, PULONG pdwSize, BOOL bOrder );
typedef DWORD (*_pfn_GetIfEntry)( PMIB_IFROW pIfRow );
/*++
Convert the loopback adaptor name from Microsoft Loopback Adapter to MS Loopback Adapter
--*/
DWORD
APIHOOK(GetAdaptersInfo)(
PIP_ADAPTER_INFO pAdapterInfo, // buffer to receive data
PULONG pOutBufLen // size of data returned
)
{
DWORD dwRet = ORIGINAL_API(GetAdaptersInfo)(pAdapterInfo, pOutBufLen);
if (dwRet == ERROR_SUCCESS)
{
DPFN(eDbgLevelInfo, "GetAdaptersInfo called successfully");
// Traverse the linked list, looking for the old name
for (PIP_ADAPTER_INFO ll = pAdapterInfo; ll != NULL; ll = ll->Next)
{
DPFN(eDbgLevelInfo, "Adapter Name(%s)", ll->AdapterName);
DPFN(eDbgLevelInfo, "Adapter Desc(%s)", ll->Description);
if (strcmp(ll->Description, "Microsoft Loopback Adapter") == 0)
{
(void)StringCchCopyA(ll->Description, MAX_ADAPTER_DESCRIPTION_LENGTH + 4, "MS Loopback Adapter");
LOGN(eDbgLevelError, "Changing name of loopback adapter to %s", ll->Description);
break;
}
}
}
return dwRet;
}
DWORD
APIHOOK(GetIfTable)(
PMIB_IFTABLE pIfTable, // buffer for interface table
PULONG pdwSize, // size of buffer
BOOL bOrder // sort the table by index?
)
{
DWORD dwRet = ORIGINAL_API(GetIfTable)(pIfTable, pdwSize, bOrder);
if (dwRet == NO_ERROR)
{
DPFN(eDbgLevelInfo, "GetIfTable called successfully");
// Traverse the array, looking for the old name
for (DWORD i = 0; i < pIfTable->dwNumEntries; ++i)
{
DPFN(eDbgLevelInfo, "Interface Name(%s)", pIfTable->table[i].bDescr);
if (strcmp((const char *)pIfTable->table[i].bDescr, "Microsoft Loopback Adapter") == 0)
{
(void)StringCchCopyA((char *)pIfTable->table[i].bDescr, MAXLEN_IFDESCR, "MS LoopBack Driver");
LOGN(eDbgLevelError, "Changing name of interface to %s", pIfTable->table[i].bDescr);
break;
}
}
}
return dwRet;
}
DWORD
APIHOOK(GetIfEntry)(
PMIB_IFROW pIfRow // pointer to interface entry
)
{
DWORD dwRet = ORIGINAL_API(GetIfEntry)(pIfRow);
if (dwRet == NO_ERROR)
{
DPFN(eDbgLevelInfo, "GetIfEntry called successfully");
DPFN(eDbgLevelInfo, "Interface Name(%s)", pIfRow->bDescr);
if (strcmp((const char *)pIfRow->bDescr, "Microsoft Loopback Adapter") == 0)
{
(void)StringCchCopyA((char *)pIfRow->bDescr, MAXLEN_IFDESCR, "MS LoopBack Driver");
LOGN(eDbgLevelError, "Changing name of interface to %s", pIfRow->bDescr);
}
}
return dwRet;
}
/*++
Register hooked functions
--*/
HOOK_BEGIN
APIHOOK_ENTRY(Iphlpapi.DLL, GetAdaptersInfo)
APIHOOK_ENTRY(Iphlpapi.DLL, GetIfTable)
APIHOOK_ENTRY(Iphlpapi.DLL, GetIfEntry)
HOOK_END
IMPLEMENT_SHIM_END