/*
* Show some adapter details.
* The IP-address, netmask etc. are what Winsock uses. We ignore
* them and use what WATTCP.CFG specifies.
*/
static void show_link_details (void)
{
#if defined(USE_DEBUG)
const ADAPTER_INFO *ai;
int i, real_media;
BOOL is_up;
DWORD ver, MTU, speed;
mac_address mac;
if (!_pkt_inf)
return;
ai = (const ADAPTER_INFO*) _pkt_inf->adapter_info;
if (!ai)
{
(*_printf) (" not available\n");
return;
}
(*_printf) (" %d network address%s:\n",
ai->NNetworkAddresses, ai->NNetworkAddresses > 1 ? "es" : "");
for (i = 0; i < ai->NNetworkAddresses; i++)
{
const npf_if_addr *if_addr = ai->NetworkAddresses + i;
const struct sockaddr_in *ip_addr = (const struct sockaddr_in*) &if_addr->IPAddress;
const struct sockaddr_in *netmask = (const struct sockaddr_in*) &if_addr->SubnetMask;
const struct sockaddr_in *brdcast = (const struct sockaddr_in*) &if_addr->Broadcast;
(*_printf) (" IP-addr %s", inet_ntoa(ip_addr->sin_addr));
(*_printf) (", netmask %s", inet_ntoa(netmask->sin_addr));
(*_printf) (", broadcast %s\n", inet_ntoa(brdcast->sin_addr));
}
if (ai->NNetworkAddresses <= 0)
(*_printf) ("\n");
if (get_perm_mac_address(&mac))
(*_printf) (" MAC-addr %02X:%02X:%02X:%02X:%02X:%02X, ",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
if (get_interface_mtu(&MTU))
(*_printf) ("MTU %lu, ", MTU);
(*_printf) ("link-type %s, ",
list_lookup(_pktdevclass, logical_media, DIM(logical_media)));
if (get_real_media(&real_media))
(*_printf) (" over %s, ", list_lookup(real_media, phys_media, DIM(phys_media)));
if (get_connected_status(&is_up))
(*_printf) ("%s, ", is_up ? "UP" : "DOWN");
if (get_interface_speed(&speed))
(*_printf) ("%luMb/s, ", speed);
if (pkt_get_api_ver(&ver))
(*_printf) ("NDIS %d.%d", hiBYTE(ver), loBYTE(ver));
(*_printf) ("\n");
#endif
}
/**
* Try asking a LAN extension of DOS for a host-name.
*/
int _get_machine_name (char *buf, int size)
{
IREGS reg;
char *h;
char dosBuf[16];
int len;
memset (®, 0, sizeof(reg));
reg.r_ax = 0x5E00;
#if (DOSX & DJGPP)
if (_go32_info_block.size_of_transfer_buffer < sizeof(dosBuf))
return (-1);
reg.r_ds = __tb / 16;
reg.r_dx = __tb & 15;
#elif (DOSX & (PHARLAP|X32VM|POWERPAK))
if (_watt_dosTbSize < sizeof(dosBuf) || !_watt_dosTbr)
return (-1);
reg.r_ds = RP_SEG (_watt_dosTbr);
reg.r_dx = RP_OFF (_watt_dosTbr);
#elif (DOSX & DOS4GW)
if (_watt_dosTbSize < sizeof(dosBuf) || !_watt_dosTbSeg)
return (-1);
reg.r_ds = _watt_dosTbSeg;
reg.r_dx = 0;
#elif (DOSX == 0)
reg.r_ds = FP_SEG (dosBuf);
reg.r_dx = FP_OFF (dosBuf);
#else
#error Help me!
#endif
GEN_INTERRUPT (0x21, ®);
if ((reg.r_flags & CARRY_BIT) || hiBYTE(reg.r_cx) == 0)
return (-1);
#if (DOSX & DJGPP)
dosmemget (__tb, sizeof(dosBuf), dosBuf);
#elif (DOSX & (PHARLAP|X32VM|POWERPAK))
ReadRealMem ((void*)&dosBuf, _watt_dosTbr, sizeof(dosBuf));
#elif (DOSX & DOS4GW)
memcpy (dosBuf, SEG_OFS_TO_LIN(_watt_dosTbSeg,0), sizeof(dosBuf));
#endif
/* Remove right space padding
*/
h = dosBuf + min (strlen(dosBuf), sizeof(dosBuf)-1);
while (h > dosBuf && h[-1] == ' ')
h--;
*h = '\0';
h = dosBuf;
len = strlen (h);
if (len + 1 > size)
{
SOCK_ERRNO (ERANGE);
return (-1);
}
strcpy (buf, h);
strlwr (buf);
return (0);
}
