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/***********************************************************************/
/* MACUTIL: Author Olivier Bertrand -- 2008-2012 */
/* From the article and sample code by Khalid Shaikh. */
/***********************************************************************/
#if defined(WIN32)
#include "my_global.h"
#else // !WIN32
#error This is WIN32 only DLL
#endif // !WIN32
#include "global.h"
#include "plgdbsem.h"
#include "macutil.h"
#if 0 // This is placed here just to know what are the actual values
#define MAX_ADAPTER_DESCRIPTION_LENGTH 128
#define MAX_ADAPTER_NAME_LENGTH 256
#define MAX_ADAPTER_ADDRESS_LENGTH 8
#define DEFAULT_MINIMUM_ENTITIES 32
#define MAX_HOSTNAME_LEN 128
#define MAX_DOMAIN_NAME_LEN 128
#define MAX_SCOPE_ID_LEN 256
#define BROADCAST_NODETYPE 1
#define PEER_TO_PEER_NODETYPE 2
#define MIXED_NODETYPE 4
#define HYBRID_NODETYPE 8
#define IP_ADAPTER_DDNS_ENABLED 0x01
#define IP_ADAPTER_REGISTER_ADAPTER_SUFFIX 0x02
#define IP_ADAPTER_DHCP_ENABLED 0x04
#define IP_ADAPTER_RECEIVE_ONLY 0x08
#define IP_ADAPTER_NO_MULTICAST 0x10
#define IP_ADAPTER_IPV6_OTHER_STATEFUL_CONFIG 0x20
#endif // 0
/***********************************************************************/
/* Implementation of the MACINFO class. */
/***********************************************************************/
MACINFO::MACINFO(bool adap, bool fix)
{
Fip = NULL;
Piaf = NULL;
Curp = NULL;
Buflen = 0;
Fix = fix;
Adap = adap;
N = -1;
} // end of MACINFO constructor
/***********************************************************************/
/* MACINFO: Return an error message. */
/***********************************************************************/
void MACINFO::MakeErrorMsg(PGLOBAL g, DWORD drc)
{
if (drc == ERROR_BUFFER_OVERFLOW)
sprintf(g->Message,
"GetAdaptersInfo: Buffer Overflow buflen=%d nbofadap=%d",
Buflen, N);
else if (drc == ERROR_INVALID_PARAMETER)
strcpy(g->Message, "GetAdaptersInfo: Invalid parameters");
else if (drc == ERROR_NO_DATA)
strcpy(g->Message,
"No adapter information exists for the local computer");
else if (drc == ERROR_NOT_SUPPORTED)
strcpy(g->Message, "GetAdaptersInfo is not supported");
else
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS, NULL, GetLastError(),
0, g->Message, sizeof(g->Message), NULL);
} // end of MakeErrorMsg
/***********************************************************************/
/* MAC: Get the number of found adapters. */
/***********************************************************************/
int MACINFO::GetNadap(PGLOBAL g)
{
if (N < 0) {
// Best method
if (Adap) {
DWORD drc = GetAdaptersInfo(NULL, &Buflen);
if (drc == ERROR_SUCCESS)
N = (Fix) ? 1 : 0;
else if (drc == ERROR_BUFFER_OVERFLOW)
N = Buflen / sizeof(IP_ADAPTER_INFO);
else
MakeErrorMsg(g, drc);
} else
N = (Fix) ? 1 : 0;
#if 0
// This method returns too many adapters
DWORD dw, drc = GetNumberOfInterfaces((PDWORD)&dw);
if (drc == NO_ERROR) {
N = (int)dw;
Buflen = N * sizeof(IP_ADAPTER_INFO);
} else
MakeErrorMsg(g, 0);
#endif
} // endif MaxSize
return N;
} // end of GetNadap
/***********************************************************************/
/* GetMacInfo: Get info for all found adapters. */
/***********************************************************************/
bool MACINFO::GetMacInfo(PGLOBAL g)
{
DWORD drc;
if (GetNadap(g) < 0)
return true;
else if (N == 0)
return false;
Piaf = (PIP_ADAPTER_INFO)PlugSubAlloc(g, NULL, Buflen);
drc = GetAdaptersInfo(Piaf, &Buflen);
if (drc == ERROR_SUCCESS) {
Curp = Piaf; // Curp is the first one
return false; // Success
} // endif drc
MakeErrorMsg(g, drc);
return true;
} // end of GetMacInfo
/***********************************************************************/
/* GetMacInfo: Get info for all found adapters. */
/***********************************************************************/
bool MACINFO::GetFixedInfo(PGLOBAL g)
{
ULONG len = (uint)sizeof(FIXED_INFO);
DWORD drc;
Fip = (FIXED_INFO*)PlugSubAlloc(g, NULL, len);
drc = GetNetworkParams(Fip, &len);
if (drc == ERROR_BUFFER_OVERFLOW) {
Fip = (FIXED_INFO*)PlugSubAlloc(g, NULL, len);
drc = GetNetworkParams(Fip, &len);
} // endif drc
if (drc != ERROR_SUCCESS) {
sprintf(g->Message, "GetNetworkParams failed. Rc=%08x\n", drc);
return true;
} // endif drc
return false;
} // end of GetFip
#if 0
#define IF_OTHER_ADAPTERTYPE 0
#define IF_ETHERNET_ADAPTERTYPE 1
#define IF_TOKEN_RING_ADAPTERTYPE 2
#define IF_FDDI_ADAPTERTYPE 3
#define IF_PPP_ADAPTERTYPE 4
#define IF_LOOPBACK_ADAPTERTYPE 5
#endif // 0
/***********************************************************************/
/* Get next MAC info. */
/***********************************************************************/
bool MACINFO::NextMac(void)
{
if (Curp)
Curp = Curp->Next;
return Curp != NULL;
} // end of NextMac
/***********************************************************************/
/* Get the next MAC address elements. */
/***********************************************************************/
bool MACINFO::GetOneInfo(PGLOBAL g, int flag, void *v, int lv)
{
char *p = NULL, buf[260] = "";
unsigned int i;
int n = 0;
if (!Curp && flag >= 10) {
// Fix info row, no adapter info available
switch (flag) {
case 13:
case 14:
case 19:
case 22:
case 23:
break;
default:
p = "";
} // endswitch flag
} else switch (flag) {
// FIXED INFO
case 1: // Host Name
p = Fip->HostName;
break;
case 2: // Domain Name
p = Fip->DomainName;
break;
case 3: // DNS IPaddress
p = (Fip->CurrentDnsServer)
? (char*)&Fip->CurrentDnsServer->IpAddress
: (char*)&Fip->DnsServerList.IpAddress;
break;
case 4: // Node Type
n = (int)Fip->NodeType;
break;
case 5: // Scope ID ???
p = Fip->ScopeId;
break;
case 6: // Routing enabled
n = (int)Fip->EnableRouting;
break;
case 7: // Proxy enabled
n = (int)Fip->EnableProxy;
break;
case 8: // DNS enabled
n = (int)Fip->EnableDns;
break;
// ADAPTERS INFO
case 10: // Name
p = Curp->AdapterName;
break;
case 11: // Description
if ((p = strstr(Curp->Description, " - Packet Scheduler Miniport"))) {
strncpy(buf, Curp->Description, p - Curp->Description);
i = p - Curp->Description;
strncpy(buf, Curp->Description, i);
buf[i] = 0;
p = buf;
} else if ((p = strstr(Curp->Description,
" - Miniport d'ordonnancement de paquets"))) {
i = p - Curp->Description;
strncpy(buf, Curp->Description, i);
buf[i] = 0;
p = buf;
} else
p = Curp->Description;
break;
case 12: // MAC Address
for (p = buf, i = 0; i < Curp->AddressLength; i++) {
if (i)
strcat(p++, "-");
p += sprintf(p, "%.2X", Curp->Address[i]);
} // endfor i
p = buf;
break;
case 13: // Type
#if 0 // This is not found in the SDK
switch (Curp->Type) {
case IF_ETHERNET_ADAPTERTYPE: p = "Ethernet Adapter"; break;
case IF_TOKEN_RING_ADAPTERTYPE: p = "Token Ring Adapter"; break;
case IF_FDDI_ADAPTERTYPE: p = "FDDI Adapter"; break;
case IF_PPP_ADAPTERTYPE: p = "PPP Adapter"; break;
case IF_LOOPBACK_ADAPTERTYPE: p = "Loop Back Adapter"; break;
// case IF_SLIP_ADAPTERTYPE: p = "Generic Slip Adapter"; break;
default:
sprintf(buf, "Other Adapter, type=%d", Curp->Type);
p = buf;
} // endswitch Type
#endif // 0
n = (int)Curp->Type;
break;
case 14: // DHCP enabled
n = (int)Curp->DhcpEnabled;
break;
case 15: // IP Address
p = (Curp->CurrentIpAddress)
? (char*)&Curp->CurrentIpAddress->IpAddress
: (char*)&Curp->IpAddressList.IpAddress;
break;
case 16: // Subnet Mask
p = (Curp->CurrentIpAddress)
? (char*)&Curp->CurrentIpAddress->IpMask
: (char*)&Curp->IpAddressList.IpMask;
break;
case 17: // Gateway
p = (char*)&Curp->GatewayList.IpAddress;
break;
case 18: // DHCP Server
p = (char*)&Curp->DhcpServer.IpAddress;
break;
case 19: // Have WINS
n = (Curp->HaveWins) ? 1 : 0;
break;
case 20: // Primary WINS
p = (char*)&Curp->PrimaryWinsServer.IpAddress;
break;
case 21: // Secondary WINS
p = (char*)&Curp->SecondaryWinsServer.IpAddress;
break;
case 22: // Lease obtained
n = (int)Curp->LeaseObtained;
break;
case 23: // Lease expires
n = (int)Curp->LeaseExpires;
break;
default:
sprintf(g->Message, "Invalid flag value %d", flag);
return true;
} // endswitch flag
if (p)
strncpy((char*)v, p, lv);
else
*((int*)v) = n;
return false;
} // end of GetOneInfo
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