struct netdriverdata *uaenet_enumerate (struct netdriverdata **out, const TCHAR *name)
{
static int done;
char errbuf[PCAP_ERRBUF_SIZE];
pcap_if_t *alldevs, *d;
int cnt;
HMODULE hm;
LPADAPTER lpAdapter = 0;
PPACKET_OID_DATA OidData;
struct netdriverdata *tc, *tcp;
pcap_t *fp;
int val;
TCHAR *ss;
if (enumerated) {
if (out)
*out = tds;
return enumit (name);
}
tcp = tds;
hm = LoadLibrary (L"wpcap.dll");
if (hm == NULL) {
write_log (L"uaenet: winpcap not installed (wpcap.dll)\n");
return NULL;
}
FreeLibrary (hm);
hm = LoadLibrary (L"packet.dll");
if (hm == NULL) {
write_log (L"uaenet: winpcap not installed (packet.dll)\n");
return NULL;
}
FreeLibrary (hm);
if (!isdllversion (L"wpcap.dll", 4, 0, 0, 0)) {
write_log (L"uaenet: too old winpcap, v4 or newer required\n");
return NULL;
}
ss = au (pcap_lib_version ());
if (!done)
write_log (L"uaenet: %s\n", ss);
xfree (ss);
if (pcap_findalldevs_ex (PCAP_SRC_IF_STRING, NULL, &alldevs, errbuf) == -1) {
ss = au (errbuf);
write_log (L"uaenet: failed to get interfaces: %s\n", ss);
xfree (ss);
return NULL;
}
if (!done)
write_log (L"uaenet: detecting interfaces\n");
for(cnt = 0, d = alldevs; d != NULL; d = d->next) {
char *n2;
TCHAR *ss2;
tc = tcp + cnt;
if (cnt >= MAX_TOTAL_NET_DEVICES) {
write_log (L"buffer overflow\n");
break;
}
ss = au (d->name);
ss2 = d->description ? au (d->description) : L"(no description)";
write_log (L"%s\n- %s\n", ss, ss2);
xfree (ss2);
xfree (ss);
n2 = d->name;
if (strlen (n2) <= strlen (PCAP_SRC_IF_STRING)) {
write_log (L"- corrupt name\n");
continue;
}
fp = pcap_open (d->name, 65536, 0, 0, NULL, errbuf);
if (!fp) {
ss = au (errbuf);
write_log (L"- pcap_open() failed: %s\n", ss);
xfree (ss);
continue;
}
val = pcap_datalink (fp);
pcap_close (fp);
if (val != DLT_EN10MB) {
if (!done)
write_log (L"- not an ethernet adapter (%d)\n", val);
continue;
}
lpAdapter = PacketOpenAdapter (n2 + strlen (PCAP_SRC_IF_STRING));
if (lpAdapter == NULL) {
if (!done)
write_log (L"- PacketOpenAdapter() failed\n");
continue;
}
OidData = (PPACKET_OID_DATA)xcalloc (uae_u8, 6 + sizeof(PACKET_OID_DATA));
if (OidData) {
OidData->Length = 6;
OidData->Oid = OID_802_3_CURRENT_ADDRESS;
if (PacketRequest (lpAdapter, FALSE, OidData)) {
memcpy (tc->mac, OidData->Data, 6);
if (!done)
write_log (L"- MAC %02X:%02X:%02X:%02X:%02X:%02X (%d)\n",
tc->mac[0], tc->mac[1], tc->mac[2],
tc->mac[3], tc->mac[4], tc->mac[5], cnt++);
tc->active = 1;
tc->mtu = 1522;
tc->name = au (d->name);
tc->desc = au (d->description);
} else {
write_log (L" - failed to get MAC\n");
}
xfree (OidData);
}
PacketCloseAdapter (lpAdapter);
}
if (!done)
write_log (L"uaenet: end of detection\n");
done = 1;
pcap_freealldevs (alldevs);
enumerated = 1;
if (out)
*out = tds;
return enumit (name);
}
struct netdriverdata *uaenet_enumerate (const TCHAR *name)
{
static int done;
char errbuf[PCAP_ERRBUF_SIZE];
pcap_if_t *alldevs, *d;
int cnt;
LPADAPTER lpAdapter = 0;
PPACKET_OID_DATA OidData;
struct netdriverdata *tc, *tcp;
pcap_t *fp;
int val;
TCHAR *ss;
bool npcap = true;
TCHAR sname[MAX_DPATH];
int isdll;
if (enumerated) {
return enumit (name);
}
tcp = tds;
int len = GetSystemDirectory(sname, MAX_DPATH);
if (len) {
_tcscat(sname, _T("\\Npcap"));
SetDllDirectory(sname);
}
wpcap = LoadLibrary(_T("wpcap.dll"));
packet = LoadLibrary(_T("packet.dll"));
isdll = isdllversion(_T("wpcap.dll"), 4, 0, 0, 0);
SetDllDirectory(_T(""));
if (wpcap == NULL) {
FreeLibrary(packet);
int err = GetLastError();
wpcap = LoadLibrary (_T("wpcap.dll"));
packet = LoadLibrary(_T("packet.dll"));
isdll = isdllversion(_T("wpcap.dll"), 4, 0, 0, 0);
if (wpcap == NULL) {
write_log (_T("uaenet: npcap/winpcap not installed (wpcap.dll)\n"));
return NULL;
}
npcap = false;
}
if (packet == NULL) {
write_log (_T("uaenet: npcap/winpcap not installed (packet.dll)\n"));
FreeLibrary(wpcap);
wpcap = NULL;
return NULL;
}
if (!isdll) {
write_log (_T("uaenet: too old npcap/winpcap, v4 or newer required\n"));
return NULL;
}
ppcap_lib_version = (PCAP_LIB_VERSION)GetProcAddress(wpcap, "pcap_lib_version");
ppcap_findalldevs_ex = (PCAP_FINDALLDEVS_EX)GetProcAddress(wpcap, "pcap_findalldevs_ex");
ppcap_freealldevs = (PCAP_FREEALLDEVS)GetProcAddress(wpcap, "pcap_freealldevs");
ppcap_open = (PCAP_OPEN)GetProcAddress(wpcap, "pcap_open");
ppcap_close = (PCAP_CLOSE)GetProcAddress(wpcap, "pcap_close");
ppcap_datalink = (PCAP_DATALINK)GetProcAddress(wpcap, "pcap_datalink");
ppcap_sendpacket = (PCAP_SENDPACKET)GetProcAddress(wpcap, "pcap_sendpacket");
ppcap_next_ex = (PCAP_NEXT_EX)GetProcAddress(wpcap, "pcap_next_ex");
pPacketOpenAdapter = (PACKETOPENADAPTER)GetProcAddress(packet, "PacketOpenAdapter");
pPacketCloseAdapter = (PACKETCLOSEADAPTER)GetProcAddress(packet, "PacketCloseAdapter");
pPacketRequest = (PACKETREQUEST)GetProcAddress(packet, "PacketRequest");
ss = au (ppcap_lib_version());
if (!done)
write_log (_T("uaenet: %s\n"), ss);
xfree (ss);
if (ppcap_findalldevs_ex(PCAP_SRC_IF_STRING, NULL, &alldevs, errbuf) == -1) {
ss = au (errbuf);
write_log (_T("uaenet: failed to get interfaces: %s\n"), ss);
xfree (ss);
return NULL;
}
PIP_ADAPTER_ADDRESSES aa = NULL;
DWORD aasize = 0;
DWORD err = GetAdaptersAddresses(AF_UNSPEC,
GAA_FLAG_SKIP_UNICAST | GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER,
NULL, NULL, &aasize);
if (err == ERROR_BUFFER_OVERFLOW) {
aa = (IP_ADAPTER_ADDRESSES*)xcalloc(uae_u8, aasize);
if (GetAdaptersAddresses(AF_UNSPEC,
GAA_FLAG_SKIP_UNICAST | GAA_FLAG_SKIP_ANYCAST | GAA_FLAG_SKIP_MULTICAST | GAA_FLAG_SKIP_DNS_SERVER,
NULL, aa, &aasize) != ERROR_SUCCESS) {
xfree(aa);
aa = NULL;
}
}
OidData = (PPACKET_OID_DATA)xcalloc(uae_u8, 6 + sizeof(PACKET_OID_DATA));
OidData->Length = 6;
OidData->Oid = OID_802_3_CURRENT_ADDRESS;
if (!done)
write_log (_T("uaenet: detecting interfaces\n"));
for(cnt = 0, d = alldevs; d != NULL; d = d->next) {
char *n2;
TCHAR *ss2;
tc = tcp + cnt;
if (cnt >= MAX_TOTAL_NET_DEVICES) {
write_log (_T("buffer overflow\n"));
break;
}
ss = au (d->name);
ss2 = d->description ? au (d->description) : _T("(no description)");
write_log (_T("%s\n- %s\n"), ss, ss2);
xfree (ss2);
xfree (ss);
n2 = d->name;
if (strlen (n2) <= strlen (PCAP_SRC_IF_STRING)) {
write_log (_T("- corrupt name\n"));
continue;
}
fp = ppcap_open(d->name, 65536, 0, 0, NULL, errbuf);
if (!fp) {
ss = au (errbuf);
write_log (_T("- pcap_open() failed: %s\n"), ss);
xfree (ss);
continue;
}
val = ppcap_datalink(fp);
ppcap_close (fp);
if (val != DLT_EN10MB) {
if (!done)
write_log (_T("- not an ethernet adapter (%d)\n"), val);
continue;
}
lpAdapter = pPacketOpenAdapter(n2 + strlen (PCAP_SRC_IF_STRING));
if (lpAdapter == NULL) {
if (!done)
write_log (_T("- PacketOpenAdapter() failed\n"));
continue;
}
memset(tc->originalmac, 0, sizeof tc->originalmac);
memcpy(tc->mac, uaemac, 6);
if (pPacketRequest (lpAdapter, FALSE, OidData)) {
memcpy(tc->mac, OidData->Data, 6);
memcpy(tc->originalmac, tc->mac, 6);
} else {
PIP_ADAPTER_ADDRESSES aap = aa;
while (aap) {
char *name1 = aap->AdapterName;
char *name2 = d->name;
while (*name2 && *name2 != '{')
name2++;
if (*name2 && !stricmp(name1, name2)) {
memcpy(tc->mac, aap->PhysicalAddress, 6);
memcpy(tc->originalmac, tc->mac, 6);
break;
}
aap = aap->Next;
}
}
if (!done)
write_log(_T("- MAC %02X:%02X:%02X:%02X:%02X:%02X -> %02X:%02X:%02X:%02X:%02X:%02X\n"),
tc->mac[0], tc->mac[1], tc->mac[2], tc->mac[3], tc->mac[4], tc->mac[5],
uaemac[0], uaemac[1], uaemac[2], tc->mac[3], tc->mac[4], tc->mac[5]);
memcpy(tc->mac, uaemac, 3);
tc->type = UAENET_PCAP;
tc->active = 1;
tc->mtu = 1522;
tc->name = au(d->name);
tc->desc = au(d->description);
cnt++;
pPacketCloseAdapter(lpAdapter);
}
if (!done)
write_log (_T("uaenet: end of detection, %d devices found.\n"), cnt);
done = 1;
ppcap_freealldevs(alldevs);
xfree(OidData);
xfree(aa);
enumerated = 1;
return enumit (name);
}
