| ␊ |
| char *getSMBStringForField(SMBStructHeader *structHeader, uint8_t field)␊ |
| {␊ |
| ␉if (!field)␊ |
| ␉if (!field || !structHeader)␊ |
| ␉{␊ |
| ␉␉return NULL;␊ |
| ␉}␊ |
| ␊ |
| ␉uint8_t *stringPtr = (uint8_t *)structHeader + structHeader->length;␊ |
| ␊ |
| ␉for (field--; field != 0 && strlen((char *)stringPtr) > 0;␊ |
| ␉for (field--; (field > 0) && (*stringPtr > 0) &&(*(uint16_t *)stringPtr != 0);␊ |
| ␉␉field--, stringPtr = (uint8_t *)((uint32_t)stringPtr + strlen((char *)stringPtr) + 1));␊ |
| ␊ |
| ␉return (char *)stringPtr;␊ |
|
| ␉addSMBEndOfTable(structPtr);␊ |
| }␊ |
| ␊ |
| // Bungo: does fix system uuid in SMBIOS (and EFI) instead of in EFI only␊ |
| uint8_t *FixSystemUUID()␊ |
| // Bungo: does fix system uuid in SMBIOS & EFI instead of in EFI (IODT/efi/platform/system-id) only␊ |
| uint8_t *fixSystemUUID()␊ |
| {␊ |
| ␉uint8_t *ptr = (uint8_t *)neweps->dmi.tableAddress;␊ |
| ␉SMBStructHeader *structHeader = (SMBStructHeader *)ptr;␊ |
| ␉int i, isZero, isOnes;␊ |
| ␉uint8_t FixedUUID[UUID_LEN] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F};␊ |
| ␉const char *sysId = getStringForKey(kSMBSystemInformationUUIDKey, SMBPlist);␊ |
| ␉uint8_t *ret = (uint8_t *)getUUIDFromString(sysId);␊ |
| ␉uint8_t fixedUUID[UUID_LEN] = {0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, 0x88, 0x99, 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF};␊ |
| ␉const char *sysId = getStringForKey(kSMBSystemInformationUUIDKey, SMBPlist); // try to get user's uuid from smbios.plist␊ |
| ␉uint8_t *ret = (uint8_t *)getUUIDFromString(sysId); // convert user's uuid from string␊ |
| ␊ |
| ␉for (;(structHeader->type != kSMBTypeSystemInformation);) // find System Information Table (Type 1) in patched SMBIOS␊ |
| ␉{␊ |
|
| ␊ |
| ␉if (isZero || isOnes) // if empty or setable...␊ |
| ␉{␊ |
| ␉␉verbose("No UUID present in SMBIOS System Information Table\n");␊ |
| ␉␉ret = FixedUUID; // ...set a fixed value for system-id = 000102030405060708090A0B0C0D0E0F␊ |
| ␉␉verbose("System UUID: incorrect or not present. Fixing [00112233-4455-6677-8899-AABBCCDDEEFF]\n");␊ |
| ␉␉ret = fixedUUID; // ...set a fixed value for system uuid: <00 11 22 33 44 55 66 77 88 99 AA BB CC DD EE FF>␊ |
| ␉}␊ |
| ␊ |
| ␉memcpy(ptr, ret, UUID_LEN); // save uuid into the patched SMBIOS Table 1␊ |
|
| ␊ |
| ␉memcpy((void *)neweps->dmi.tableAddress, buffer, tableLength);␊ |
| ␊ |
| ␉Platform.UUID = FixSystemUUID(); // Bungo: fix System UUID␊ |
| ␉Platform.UUID = fixSystemUUID(); // Bungo: fix System UUID␊ |
| ␊ |
| ␉neweps->dmi.checksum␉␉= 0;␊ |
| ␉neweps->dmi.checksum␉␉= 0x100 - checksum8(&neweps->dmi, sizeof(DMIEntryPoint));␊ |
|
| ␉␉switch (structHeader->type)␊ |
| ␉␉{␊ |
| ␉␉␉case kSMBTypeSystemInformation:␊ |
| ␉␉␉␉Platform.UUID = ((SMBSystemInformation *)structHeader)->uuid; // get factory system uuid␊ |
| ␉␉␉␉Platform.UUID = ((SMBSystemInformation *)structHeader)->uuid; // save factory system uuid␊ |
| ␉␉␉␉break;␊ |
| ␊ |
| ␉␉␉case kSMBTypeSystemEnclosure: // Bungo: determine platform type␊ |
| ␉␉␉␉switch (((SMBSystemEnclosure *)structHeader)->chassisType)␊ |
| ␉␉␉␉{␊ |
| ␉␉␉␉␉case kSMBchassisDesktop:␊ |
| ␉␉␉␉␉case kSMBchassisLPDesktop:␊ |
| ␉␉␉␉␉case kSMBchassisAllInOne:␊ |
| ␉␉␉␉␉case kSMBchassisLunchBox:␊ |
| ␉␉␉␉␉␉PlatformType = 1; // desktop (iMac, MacMini)␊ |
| ␉␉␉␉␉␉break;␊ |
| ␉␉␉␉␉case kSMBchassisPortable:␊ |
| ␉␉␉␉␉case kSMBchassisLaptop:␊ |
| ␉␉␉␉␉case kSMBchassisNotebook:␊ |
| ␉␉␉␉␉case kSMBchassisHandHeld:␊ |
| ␉␉␉␉␉case kSMBchassisSubNotebook:␊ |
| ␉␉␉␉␉␉PlatformType = 2; // notebook (Mac Books)␊ |
| ␉␉␉␉␉ break;␊ |
| ␉␉␉␉␉default:␊ |
| ␉␉␉␉␉␉PlatformType = 2; // notebook (MacBooks/Pros)␊ |
| ␉␉␉␉␉␉break;␊ |
| ␉␉␉␉␉case kSMBchassisMiniTower:␊ |
| ␉␉␉␉␉case kSMBchassisTower:␊ |
| ␉␉␉␉␉case kSMBchassisBlade:␊ |
| ␉␉␉␉␉case kSMBchassisBladeEnclosing:␊ |
| ␉␉␉␉␉␉PlatformType = 3; // workstation (Mac Pro, Xserve)␊ |
| ␉␉␉␉␉␉break;␊ |
| ␉␉␉␉␉default:␊ |
| ␉␉␉␉␉␉PlatformType = 1; // defulting to 1 desktop (iMac, MacMini)␊ |
| ␉␉␉␉␉␉break;␊ |
| ␉␉␉␉}␊ |
| ␉␉␉␉break;␊ |
| ␊ |
