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ntdll: Use the machine ID for the system UUID on Linux. 

Signed-off-by: Hans Leidekker <hans@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Hans Leidekker 2019-07-02 15:28:35 +02:00 committed by Alexandre Julliard
parent 16e5c78bfe
commit 5252d76003
1 changed files with 41 additions and 0 deletions
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41
dlls/ntdll/nt.c
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@ -101,6 +101,7 @@ struct smbios_system {
BYTE product;
BYTE version;
BYTE serial;
BYTE uuid[16];
};
struct smbios_board {
@ -2064,6 +2065,45 @@ static size_t get_smbios_string(const char *path, char *str, size_t size)
return len;
}
static void get_system_uuid( GUID *uuid )
{
static const unsigned char hex[] =
{
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x00 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x10 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x20 */
0,1,2,3,4,5,6,7,8,9,0,0,0,0,0,0, /* 0x30 */
0,10,11,12,13,14,15,0,0,0,0,0,0,0,0,0, /* 0x40 */
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, /* 0x50 */
0,10,11,12,13,14,15 /* 0x60 */
};
int fd;
memset( uuid, 0xff, sizeof(*uuid) );
if ((fd = open( "/var/lib/dbus/machine-id", O_RDONLY )) != -1)
{
unsigned char buf[32], *p = buf;
if (read( fd, buf, sizeof(buf) ) == sizeof(buf))
{
uuid->Data1 = hex[p[6]] << 28 | hex[p[7]] << 24 | hex[p[4]] << 20 | hex[p[5]] << 16 |
hex[p[2]] << 12 | hex[p[3]] << 8 | hex[p[0]] << 4 | hex[p[1]];
uuid->Data2 = hex[p[10]] << 12 | hex[p[11]] << 8 | hex[p[8]] << 4 | hex[p[9]];
uuid->Data3 = hex[p[14]] << 12 | hex[p[15]] << 8 | hex[p[12]] << 4 | hex[p[13]];
uuid->Data4[0] = hex[p[16]] << 4 | hex[p[17]];
uuid->Data4[1] = hex[p[18]] << 4 | hex[p[19]];
uuid->Data4[2] = hex[p[20]] << 4 | hex[p[21]];
uuid->Data4[3] = hex[p[22]] << 4 | hex[p[23]];
uuid->Data4[4] = hex[p[24]] << 4 | hex[p[25]];
uuid->Data4[5] = hex[p[26]] << 4 | hex[p[27]];
uuid->Data4[6] = hex[p[28]] << 4 | hex[p[29]];
uuid->Data4[7] = hex[p[30]] << 4 | hex[p[31]];
}
close( fd );
}
}
static NTSTATUS get_firmware_info(SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti, ULONG available_len, ULONG *required_len)
{
switch (sfti->ProviderSignature)
@ -2163,6 +2203,7 @@ static NTSTATUS get_firmware_info(SYSTEM_FIRMWARE_TABLE_INFORMATION *sfti, ULONG
system->product = system_product_len ? ++string_count : 0;
system->version = system_version_len ? ++string_count : 0;
system->serial = system_serial_len ? ++string_count : 0;
get_system_uuid( (GUID *)system->uuid );
buffer += sizeof(struct smbios_system);
copy_smbios_string(&buffer, system_vendor, system_vendor_len);