mirror of
https://github.com/reactos/reactos.git
synced 2024-10-31 03:48:17 +00:00
384 lines
9.7 KiB
C
384 lines
9.7 KiB
C
/*
|
|
* iphlpapi dll implementation -- Setting and storing route information
|
|
*
|
|
* These are stubs for functions that set routing information on the target
|
|
* operating system. They are grouped here because their implementation will
|
|
* vary widely by operating system.
|
|
*
|
|
* Copyright (C) 2004 Art Yerkes
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#include <config.h>
|
|
#include "iphlpapi_private.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(iphlpapi);
|
|
|
|
typedef struct _NAME_SERVER_LIST_PRIVATE {
|
|
UINT NumServers;
|
|
IP_ADDR_STRING * pCurrent;
|
|
} NAME_SERVER_LIST_PRIVATE, *PNAME_SERVER_LIST_PRIVATE;
|
|
|
|
typedef VOID (*ENUM_INTERFACE_CALLBACK)(
|
|
HKEY ChildKeyHandle,
|
|
LPWSTR ChildKeyName,
|
|
PVOID CallbackContext);
|
|
|
|
LSTATUS
|
|
QueryNameServer(
|
|
IN HKEY hInterface,
|
|
IN LPCWSTR NameServerKey,
|
|
OUT LPWSTR * OutNameServer)
|
|
{
|
|
DWORD dwLength, dwType;
|
|
LPWSTR NameServer;
|
|
LSTATUS Status;
|
|
|
|
/* query ns */
|
|
dwLength = 0;
|
|
Status = RegQueryValueExW(hInterface, NameServerKey, NULL, &dwType, NULL, &dwLength);
|
|
|
|
if (Status != ERROR_SUCCESS)
|
|
{
|
|
/* failed to retrieve size */
|
|
TRACE("Status %x\n", Status);
|
|
return Status;
|
|
}
|
|
|
|
/* add terminating null */
|
|
dwLength += sizeof(WCHAR);
|
|
|
|
/* allocate name server */
|
|
NameServer = HeapAlloc(GetProcessHeap(), 0, dwLength);
|
|
|
|
if (!NameServer)
|
|
{
|
|
/* no memory */
|
|
return ERROR_OUTOFMEMORY;
|
|
}
|
|
|
|
/* query ns */
|
|
Status = RegQueryValueExW(hInterface, NameServerKey, NULL, &dwType, (LPBYTE)NameServer, &dwLength);
|
|
|
|
if (Status != ERROR_SUCCESS || dwType != REG_SZ)
|
|
{
|
|
/* failed to retrieve ns */
|
|
HeapFree(GetProcessHeap(), 0, NameServer);
|
|
return Status;
|
|
}
|
|
|
|
/* null terminate it */
|
|
NameServer[dwLength / sizeof(WCHAR)] = L'\0';
|
|
|
|
/* store result */
|
|
*OutNameServer = NameServer;
|
|
|
|
return STATUS_SUCCESS;
|
|
}
|
|
|
|
|
|
LSTATUS
|
|
EnumNameServers(
|
|
IN HKEY hInterface,
|
|
IN LPWSTR InterfaceName,
|
|
PVOID ServerCallbackContext,
|
|
EnumNameServersFunc CallbackRoutine)
|
|
{
|
|
LSTATUS Status;
|
|
LPWSTR NameServer;
|
|
WCHAR Buffer[50];
|
|
DWORD Length;
|
|
LPWSTR Start, Comma;
|
|
|
|
/* query static assigned name server */
|
|
Status = QueryNameServer(hInterface, L"NameServer", &NameServer);
|
|
if (Status != ERROR_SUCCESS)
|
|
{
|
|
/* query dynamic assigned name server */
|
|
Status = QueryNameServer(hInterface, L"DhcpNameServer", &NameServer);
|
|
|
|
if (Status != ERROR_SUCCESS)
|
|
{
|
|
/* failed to retrieve name servers */
|
|
return Status;
|
|
}
|
|
}
|
|
|
|
/* enumerate all name servers, terminated by comma */
|
|
Start = NameServer;
|
|
|
|
do
|
|
{
|
|
/* find next terminator */
|
|
Comma = wcschr(Start, L',');
|
|
|
|
if (Comma)
|
|
{
|
|
/* calculate length */
|
|
Length = Comma - Start;
|
|
|
|
/* copy name server */
|
|
RtlMoveMemory(Buffer, Start, Length * sizeof(WCHAR));
|
|
|
|
/* null terminate it */
|
|
Buffer[Length] = L'\0';
|
|
|
|
/* perform callback */
|
|
CallbackRoutine(InterfaceName, Buffer, ServerCallbackContext);
|
|
|
|
}
|
|
else
|
|
{
|
|
/* perform callback */
|
|
CallbackRoutine(InterfaceName, Start, ServerCallbackContext);
|
|
|
|
/* last entry */
|
|
break;
|
|
}
|
|
|
|
/* increment offset */
|
|
Start = Comma + 1;
|
|
|
|
}while(TRUE);
|
|
|
|
/* free name server string */
|
|
HeapFree(GetProcessHeap(), 0, NameServer);
|
|
|
|
/* done */
|
|
return ERROR_SUCCESS;
|
|
}
|
|
|
|
LSTATUS
|
|
EnumInterfaces(
|
|
ENUM_INTERFACE_CALLBACK CallbackRoutine,
|
|
PVOID InterfaceCallbackContext)
|
|
{
|
|
HKEY hKey, hInterface;
|
|
LSTATUS Status;
|
|
DWORD NumInterfaces, InterfaceNameLen, Index, Length;
|
|
LPWSTR InterfaceName;
|
|
|
|
/* first open interface key */
|
|
Status = RegOpenKeyExW(HKEY_LOCAL_MACHINE, L"SYSTEM\\CurrentControlSet\\Services\\Tcpip\\Parameters\\Interfaces", 0, KEY_READ, &hKey);
|
|
|
|
/* check for success */
|
|
if (Status != ERROR_SUCCESS)
|
|
{
|
|
/* failed to open interface key */
|
|
return Status;
|
|
}
|
|
|
|
/* now get maximum interface name length and number of interfaces */
|
|
Status = RegQueryInfoKeyW(hKey, NULL, NULL, NULL, &NumInterfaces, &InterfaceNameLen, NULL, NULL, NULL, NULL, NULL, NULL);
|
|
if (Status != ERROR_SUCCESS)
|
|
{
|
|
/* failed to get key info */
|
|
RegCloseKey(hKey);
|
|
return Status;
|
|
}
|
|
|
|
/* RegQueryInfoKey does not include terminating null */
|
|
InterfaceNameLen++;
|
|
|
|
/* allocate interface name */
|
|
InterfaceName = (LPWSTR) HeapAlloc(GetProcessHeap(), 0, InterfaceNameLen * sizeof(WCHAR));
|
|
|
|
if (!InterfaceName)
|
|
{
|
|
/* no memory */
|
|
RegCloseKey(hKey);
|
|
return ERROR_OUTOFMEMORY;
|
|
}
|
|
|
|
/* no enumerate all interfaces */
|
|
for(Index = 0; Index < NumInterfaces; Index++)
|
|
{
|
|
/* query interface name */
|
|
Length = InterfaceNameLen;
|
|
Status = RegEnumKeyExW(hKey, Index, InterfaceName, &Length, NULL, NULL, NULL, NULL);
|
|
|
|
if (Status == ERROR_SUCCESS)
|
|
{
|
|
/* make sure it is null terminated */
|
|
InterfaceName[Length] = L'\0';
|
|
|
|
/* now open child key */
|
|
Status = RegOpenKeyExW(hKey, InterfaceName, 0, KEY_READ, &hInterface);
|
|
|
|
if (Status == ERROR_SUCCESS)
|
|
{
|
|
/* perform enumeration callback */
|
|
CallbackRoutine(hInterface, InterfaceName, InterfaceCallbackContext);
|
|
|
|
/* close interface key */
|
|
RegCloseKey(hInterface);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* free interface name */
|
|
HeapFree(GetProcessHeap(), 0, InterfaceName);
|
|
|
|
/* close root interface key */
|
|
RegCloseKey(hKey);
|
|
|
|
/* done */
|
|
return Status;
|
|
}
|
|
|
|
VOID
|
|
CountNameServerCallback(
|
|
IN LPWSTR InterfaceName,
|
|
IN LPWSTR Server,
|
|
IN PVOID CallbackContext)
|
|
{
|
|
/* get context */
|
|
PNAME_SERVER_LIST_PRIVATE Data = (PNAME_SERVER_LIST_PRIVATE)CallbackContext;
|
|
|
|
/* increment server count */
|
|
Data->NumServers++;
|
|
}
|
|
|
|
VOID
|
|
CountServerCallbackTrampoline(
|
|
HKEY ChildKeyHandle,
|
|
LPWSTR ChildKeyName,
|
|
PVOID CallbackContext)
|
|
{
|
|
EnumNameServers(ChildKeyHandle, ChildKeyName, CallbackContext, CountNameServerCallback);
|
|
}
|
|
|
|
LSTATUS
|
|
CountNameServers(
|
|
IN PNAME_SERVER_LIST_PRIVATE PrivateData )
|
|
{
|
|
return EnumInterfaces(CountServerCallbackTrampoline, (PVOID)PrivateData);
|
|
}
|
|
|
|
VOID
|
|
CreateNameServerListCallback(
|
|
IN LPWSTR InterfaceName,
|
|
IN LPWSTR Server,
|
|
IN PVOID CallbackContext)
|
|
{
|
|
/* get context */
|
|
PNAME_SERVER_LIST_PRIVATE Data = (PNAME_SERVER_LIST_PRIVATE)CallbackContext;
|
|
|
|
/* convert to ansi ns string */
|
|
if (WideCharToMultiByte(CP_ACP, 0, Server, -1, Data->pCurrent->IpAddress.String, 16, NULL, NULL))
|
|
{
|
|
/* store offset to next name server struct */
|
|
Data->pCurrent->Next = (struct _IP_ADDR_STRING*)(Data->pCurrent + 1);
|
|
|
|
/* move to next entry */
|
|
Data->pCurrent = Data->pCurrent->Next;
|
|
|
|
/* increment server count */
|
|
Data->NumServers++;
|
|
}
|
|
else
|
|
{
|
|
/* failed to convert dns server */
|
|
Data->pCurrent->IpAddress.String[0] = '\0';
|
|
}
|
|
}
|
|
|
|
VOID
|
|
CreateNameServerListCallbackTrampoline(
|
|
HKEY ChildKeyHandle,
|
|
LPWSTR ChildKeyName,
|
|
PVOID CallbackContext)
|
|
{
|
|
EnumNameServers(ChildKeyHandle, ChildKeyName, CallbackContext, CreateNameServerListCallback);
|
|
}
|
|
|
|
LSTATUS
|
|
MakeNameServerList(
|
|
PNAME_SERVER_LIST_PRIVATE PrivateData )
|
|
{
|
|
return EnumInterfaces(CreateNameServerListCallbackTrampoline, (PVOID)PrivateData);
|
|
}
|
|
|
|
PIPHLP_RES_INFO
|
|
getResInfo()
|
|
{
|
|
NAME_SERVER_LIST_PRIVATE PrivateNSEnum;
|
|
PIPHLP_RES_INFO ResInfo;
|
|
IP_ADDR_STRING * DnsList = NULL;
|
|
LSTATUS Status;
|
|
|
|
PrivateNSEnum.NumServers = 0;
|
|
|
|
/* count name servers */
|
|
Status = CountNameServers(&PrivateNSEnum);
|
|
|
|
if (Status != ERROR_SUCCESS)
|
|
{
|
|
/* failed to enumerate name servers */
|
|
return NULL;
|
|
}
|
|
|
|
/* are there any servers */
|
|
if (PrivateNSEnum.NumServers)
|
|
{
|
|
/* allocate dns servers */
|
|
DnsList = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, PrivateNSEnum.NumServers * sizeof(IP_ADDR_STRING));
|
|
|
|
if (!DnsList)
|
|
{
|
|
/* no memory */
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
/* allocate private struct */
|
|
ResInfo = (PIPHLP_RES_INFO)HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IPHLP_RES_INFO));
|
|
|
|
if(!ResInfo)
|
|
{
|
|
/* no memory */
|
|
if (DnsList)
|
|
{
|
|
/* free dns list */
|
|
HeapFree( GetProcessHeap(), 0, DnsList);
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
/* are there any servers */
|
|
if (PrivateNSEnum.NumServers)
|
|
{
|
|
/* initialize enumeration context */
|
|
PrivateNSEnum.NumServers = 0;
|
|
PrivateNSEnum.pCurrent = DnsList;
|
|
|
|
/* enumerate servers */
|
|
MakeNameServerList( &PrivateNSEnum );
|
|
|
|
/* store result */
|
|
ResInfo->DnsList = DnsList;
|
|
ResInfo->riCount = PrivateNSEnum.NumServers;
|
|
}
|
|
|
|
/* done */
|
|
return ResInfo;
|
|
}
|
|
|
|
VOID disposeResInfo( PIPHLP_RES_INFO InfoPtr )
|
|
{
|
|
HeapFree(GetProcessHeap(), 0, InfoPtr->DnsList);
|
|
RtlFreeHeap( GetProcessHeap(), 0, InfoPtr );
|
|
}
|