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* termios.cc (setspeed): New function.

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(cfsetospeed): Use setspeed to set speed.
(cfsetispeed): Use setspeed to set speed.
* autoload.cc: Add load statement for UuidCreate, and UuidCreateSequential.
* cpuid.h: New file.
* cygwin.din: Export gethostid.
* fhandler_proc.cc (cpuid): Move to cpuid.h.
(can_set_flag): Move to cpuid.h.
* syscalls.cc (gethostid): New function.
* version.h: Bump DLL minor version number to 83.
This commit is contained in:
Christopher Faylor
2003-04-16 03:03:45 +00:00
parent 9eed5df639
commit c448f78fd5
8 changed files with 212 additions and 38 deletions
Download Patch File Download Diff File Expand all files Collapse all files

109
winsup/cygwin/syscalls.cc
View File

@@ -36,6 +36,7 @@ details. */
#include <winnls.h>
#include <wininet.h>
#include <lmcons.h> /* for UNLEN */
#include <rpc.h>
#undef fstat
#undef stat
@@ -55,6 +56,8 @@ details. */
#define NEED_VFORK
#include "perthread.h"
#include "pwdgrp.h"
#include "cpuid.h"
#include "registry.h"
#undef _close
#undef _lseek
@@ -2725,3 +2728,109 @@ pututline (struct utmp *ut)
CloseHandle (mutex);
}
}
extern "C"
long gethostid(void)
{
unsigned data[13] = {0x92895012,
0x10293412,
0x29602018,
0x81928167,
0x34601329,
0x75630198,
0x89860395,
0x62897564,
0x00194362,
0x20548593,
0x96839102,
0x12219854,
0x00290012};
bool has_cpuid = false;
if (!can_set_flag (0x00040000))
debug_printf ("386 processor - no cpuid");
else
{
debug_printf ("486 processor");
if (can_set_flag (0x00200000))
{
debug_printf ("processor supports CPUID instruction");
has_cpuid = true;
}
else
debug_printf ("processor does not support CPUID instruction");
}
if (has_cpuid)
{
unsigned maxf, unused[3];
cpuid (&maxf, &unused[0], &unused[1], &unused[2], 0);
maxf &= 0xffff;
if (maxf >= 1)
{
unsigned features;
cpuid (&data[0], &unused[0], &unused[1], &features, 1);
if (features & (1 << 18))
{
debug_printf ("processor has psn");
if (maxf >= 3)
{
cpuid (&unused[0], &unused[1], &data[1], &data[2], 3);
debug_printf ("Processor PSN: %04x-%04x-%04x-%04x-%04x-%04x",
data[0] >> 16, data[0] & 0xffff, data[2] >> 16, data[2] & 0xffff, data[1] >> 16, data[1] & 0xffff);
}
}
else
debug_printf ("processor does not have psn");
}
}
UUID Uuid;
RPC_STATUS status = UuidCreateSequential (&Uuid);
if (GetLastError () == ERROR_PROC_NOT_FOUND)
status = UuidCreate (&Uuid);
if (status == RPC_S_OK)
{
data[4] = *(unsigned *)&Uuid.Data4[2];
data[5] = *(unsigned short *)&Uuid.Data4[6];
// Unfortunately Windows will sometimes pick a virtual Ethernet card
// e.g. VMWare Virtual Ethernet Adaptor
debug_printf ("MAC address of first Ethernet card: %02x:%02x:%02x:%02x:%02x:%02x",
Uuid.Data4[2], Uuid.Data4[3], Uuid.Data4[4],
Uuid.Data4[5], Uuid.Data4[6], Uuid.Data4[7]);
}
else
{
debug_printf ("no Ethernet card installed");
}
reg_key key (HKEY_LOCAL_MACHINE, KEY_READ, "SOFTWARE", "Microsoft", "Windows", "CurrentVersion", NULL);
key.get_string ("ProductId", (char *)&data[6], 24, "00000-000-0000000-00000");
debug_printf ("Windows Product ID: %s", (char *)&data[6]);
GetDiskFreeSpaceEx ("C:\\", NULL, (PULARGE_INTEGER) &data[11], NULL);
if (GetLastError () == ERROR_PROC_NOT_FOUND)
GetDiskFreeSpace ("C:\\", NULL, NULL, NULL, (DWORD *)&data[11]);
debug_printf ("hostid entropy: %08x %08x %08x %08x "
"%08x %08x %08x %08x "
"%08x %08x %08x %08x "
"%08x",
data[0], data[1],
data[2], data[3],
data[4], data[5],
data[6], data[7],
data[8], data[9],
data[10], data[11],
data[12]);
long hostid = 0x40291372;
// a random hashing algorithm
// dependancy on md5 is probably too costly
for (int i=0;i<13;i++)
hostid ^= ((data[i] << (i << 2)) | (data[i] >> (32 - (i << 2))));
debug_printf ("hostid: %08x", hostid);
return hostid;
}