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iphlpapi: Add support for the EnableRouting member. 

Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Huw Davies 2021-08-05 09:56:46 +01:00 committed by Alexandre Julliard
parent 131307746d
commit b45b4048cf
1 changed files with 40 additions and 44 deletions
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84
dlls/iphlpapi/iphlpapi_main.c
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@ -2395,64 +2395,60 @@ err:
* Get the network parameters for the local computer.
*
* PARAMS
* pFixedInfo [Out] buffer for network parameters
* pOutBufLen [In/Out] length of output buffer
* info [Out] buffer for network parameters
* size [In/Out] length of output buffer
*
* RETURNS
* Success: NO_ERROR
* Failure: error code from winerror.h
*
* NOTES
* If pOutBufLen is less than required, the function will return
* ERROR_INSUFFICIENT_BUFFER, and pOutBufLen will be set to the required byte
* If size is less than required, the function will return
* ERROR_INSUFFICIENT_BUFFER, and size will be set to the required byte
* size.
*/
DWORD WINAPI GetNetworkParams(PFIXED_INFO pFixedInfo, PULONG pOutBufLen)
DWORD WINAPI GetNetworkParams( FIXED_INFO *info, ULONG *size )
{
DWORD ret, size, serverListSize;
LONG regReturn;
HKEY hKey;
DWORD needed = sizeof(*info), dns_size, err;
MIB_IPSTATS ip_stats;
HKEY key;
TRACE("pFixedInfo %p, pOutBufLen %p\n", pFixedInfo, pOutBufLen);
if (!pOutBufLen)
return ERROR_INVALID_PARAMETER;
TRACE( "info %p, size %p\n", info, size );
if (!size) return ERROR_INVALID_PARAMETER;
get_dns_server_list( NULL, NULL, NULL, &serverListSize );
size = sizeof(FIXED_INFO) + serverListSize - sizeof(IP_ADDR_STRING);
if (!pFixedInfo || *pOutBufLen < size) {
*pOutBufLen = size;
return ERROR_BUFFER_OVERFLOW;
}
if (get_dns_server_list( NULL, NULL, NULL, &dns_size ) == ERROR_BUFFER_OVERFLOW)
needed += dns_size - sizeof(IP_ADDR_STRING);
if (!info || *size < needed)
{
*size = needed;
return ERROR_BUFFER_OVERFLOW;
}
memset(pFixedInfo, 0, size);
size = sizeof(pFixedInfo->HostName);
GetComputerNameExA(ComputerNameDnsHostname, pFixedInfo->HostName, &size);
size = sizeof(pFixedInfo->DomainName);
GetComputerNameExA(ComputerNameDnsDomain, pFixedInfo->DomainName, &size);
get_dns_server_list( NULL, &pFixedInfo->DnsServerList, (IP_ADDR_STRING *)(pFixedInfo + 1),
&serverListSize );
/* Assume the first DNS server in the list is the "current" DNS server: */
pFixedInfo->CurrentDnsServer = &pFixedInfo->DnsServerList;
pFixedInfo->NodeType = HYBRID_NODETYPE;
regReturn = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
"SYSTEM\\CurrentControlSet\\Services\\VxD\\MSTCP", 0, KEY_READ, &hKey);
if (regReturn != ERROR_SUCCESS)
regReturn = RegOpenKeyExA(HKEY_LOCAL_MACHINE,
"SYSTEM\\CurrentControlSet\\Services\\NetBT\\Parameters", 0, KEY_READ,
&hKey);
if (regReturn == ERROR_SUCCESS)
{
DWORD size = sizeof(pFixedInfo->ScopeId);
*size = needed;
memset( info, 0, needed );
needed = sizeof(info->HostName);
GetComputerNameExA( ComputerNameDnsHostname, info->HostName, &needed );
needed = sizeof(info->DomainName);
GetComputerNameExA( ComputerNameDnsDomain, info->DomainName, &needed );
get_dns_server_list( NULL, &info->DnsServerList, (IP_ADDR_STRING *)(info + 1), &dns_size );
info->CurrentDnsServer = &info->DnsServerList;
info->NodeType = HYBRID_NODETYPE;
err = RegOpenKeyExA( HKEY_LOCAL_MACHINE, "SYSTEM\\CurrentControlSet\\Services\\VxD\\MSTCP",
0, KEY_READ, &key );
if (err)
err = RegOpenKeyExA( HKEY_LOCAL_MACHINE, "SYSTEM\\CurrentControlSet\\Services\\NetBT\\Parameters",
0, KEY_READ, &key );
if (!err)
{
needed = sizeof(info->ScopeId);
RegQueryValueExA( key, "ScopeID", NULL, NULL, (BYTE *)info->ScopeId, &needed );
RegCloseKey( key );
}
RegQueryValueExA(hKey, "ScopeID", NULL, NULL, (LPBYTE)pFixedInfo->ScopeId, &size);
RegCloseKey(hKey);
}
if (!GetIpStatistics( &ip_stats ))
info->EnableRouting = (ip_stats.u.Forwarding == MIB_IP_FORWARDING);
/* FIXME: can check whether routing's enabled in /proc/sys/net/ipv4/ip_forward
I suppose could also check for a listener on port 53 to set EnableDns */
ret = NO_ERROR;
TRACE("returning %d\n", ret);
return ret;
return ERROR_SUCCESS;
}