inline struct SMBEntryPoint *
getSmbios()
{
const char *smbios_filename;
char dirSpec[512];
int len;
struct SMBEntryPoint *orig_address;
struct SMBEntryPoint *new_address;
orig_address=getAddressOfSmbiosTable();
if (!getValueForKey("SMBIOS", &smbios_filename, &len, &bootInfo->bootConfig))
smbios_filename = "smbios.plist";
sprintf(dirSpec, "%s", smbios_filename);
if (loadConfigFile(dirSpec, &bootInfo->smbiosConfig) == -1)
{
sprintf(dirSpec, "/Extra/%s", smbios_filename);
if (loadConfigFile(dirSpec, &bootInfo->smbiosConfig) == -1)
{
sprintf(dirSpec, "bt(0,0)/Extra/%s", smbios_filename);
if (loadConfigFile(dirSpec, &bootInfo->smbiosConfig) == -1)
{
verbose("No SMBIOS replacement found.\n");
}
}
}
// if( (loadConfigFile("/Extra/smbios.plist", &bootInfo->smbiosConfig)) == -1 )
// loadConfigFile("bt(0,0)/Extra/smbios.plist", &bootInfo->smbiosConfig); // TODO: do we need this ?
new_address = smbios_dry_run(orig_address);
smbios_real_run(orig_address, new_address);
return new_address;
}
/** Get original or new smbios entry point, if sucessful, the adresses are cached for next time */
struct SMBEntryPoint *getSmbios(int which)
{
static struct SMBEntryPoint *orig = NULL; // cached
static struct SMBEntryPoint *patched = NULL; // cached
// whatever we are called with orig or new flag, initialize asap both structures
switch (which) {
case SMBIOS_ORIGINAL:
if (orig==NULL) {
orig = getAddressOfSmbiosTable();
getSmbiosTableStructure(orig); // generate tables entry list for fast table finding
}
return orig;
case SMBIOS_PATCHED:
if (orig==NULL && (orig = getAddressOfSmbiosTable())==NULL ) {
printf("Could not find original SMBIOS !!\n");
pause();
} else {
patched = smbios_dry_run(orig);
if(patched==NULL) {
printf("Could not create new SMBIOS !!\n");
pause();
}
else {
smbios_real_run(orig, patched);
}
}
return patched;
default:
printf("ERROR: invalid option for getSmbios() !!\n");
break;
}
return NULL;
}
static int getSMBIOSUUID(unsigned char *uuid)
{
struct SMBEntryPoint *smbios;
struct DMIHeader *dmihdr;
SMBByte *p;
int found;
int i;
int isZero;
int isOnes;
smbios = getAddressOfSmbiosTable(); /* checks for _SM_ anchor and table header checksum */
if (memcmp( &smbios->dmi.anchor[0], "_DMI_", 5) != 0) {
return 0;
}
//verbose(">>> SMBIOSAddr=0x%08x\n", smbios);
//verbose(">>> DMI: addr=0x%08x, len=0x%d, count=%d\n", smbios->dmi.tableAddress, smbios->dmi.tableLength, smbios->dmi.structureCount);
i = 0;
found = 0;
p = (SMBByte *) smbios->dmi.tableAddress;
while (i < smbios->dmi.structureCount && p + 4 <= (SMBByte *)smbios->dmi.tableAddress + smbios->dmi.tableLength) {
dmihdr = (struct DMIHeader *) p;
//verbose(">>>>>> DMI(%d): type=0x%02x, len=0x%d\n",i,dmihdr->type,dmihdr->length);
if (dmihdr->length < 4) {
break;
}
if (dmihdr->type == 127) { /* end of table */
break;
}
if (dmihdr->type == 1) { /* 3.3.2 System Information */
if (dmihdr->length >= 0x19) {
found = 1;
}
break;
}
p = p + dmihdr->length;
while ((p - (SMBByte *)smbios->dmi.tableAddress + 1 < smbios->dmi.tableLength) && (p[0] != 0x00 || p[1] != 0x00)) {
p++;
}
p += 2;
i++;
}
if (!found) {
return 0;
}
verbose("Found SMBIOS System Information Table 1\n");
p += 8;
for (i=0, isZero=1, isOnes=1; i<UUID_LEN; i++) {
if (p[i] != 0x00) isZero = 0;
if (p[i] != 0xff) isOnes = 0;
}
if (isZero || isOnes) { /* empty or setable means: no uuid present */
verbose("No UUID present in SMBIOS System Information Table\n");
return 0;
}
memcpy(uuid, p, UUID_LEN);
return 1;
}
