| 1 | //␊ |
| 2 | // SmbiosExtractor.mm␊ |
| 3 | // ChameleonPrefPane␊ |
| 4 | //␊ |
| 5 | // Created by Rekursor on 11-11-27.␊ |
| 6 | //␊ |
| 7 | ␊ |
| 8 | #import "SmbiosExtractor.h"␊ |
| 9 | #include "ShellProcess.h"␊ |
| 10 | #include "string_util.h"␊ |
| 11 | #include "smbios.h"␊ |
| 12 | ␊ |
| 13 | @implementation SmbiosExtractor␊ |
| 14 | ␊ |
| 15 | @synthesize smString;␊ |
| 16 | @synthesize bufSize;␊ |
| 17 | -(id) init␊ |
| 18 | {␊ |
| 19 | ␉self = [super init];␊ |
| 20 | ␉if (self!=nil)␊ |
| 21 | ␉{␊ |
| 22 | ␉␉buffer = nil;␊ |
| 23 | ␉␉bufSize=0;␊ |
| 24 | ␉␉[ self extractSmBios];␊ |
| 25 | ␉}␊ |
| 26 | ␉␊ |
| 27 | ␉return self;␊ |
| 28 | }␊ |
| 29 | ␊ |
| 30 | -(void) cleanup␊ |
| 31 | {␊ |
| 32 | ␉if (buffer!=nil)␊ |
| 33 | ␉{␊ |
| 34 | ␉␉delete [] buffer;␊ |
| 35 | ␉␉buffer = nil;␊ |
| 36 | ␉␉bufSize=0;␊ |
| 37 | ␉␉smString = nil;␊ |
| 38 | ␉}␊ |
| 39 | ␉␊ |
| 40 | ␉if (smString!=nil)␊ |
| 41 | ␉{␊ |
| 42 | ␉␉[smString release];␊ |
| 43 | ␉␉smString = nil;␊ |
| 44 | ␉}␊ |
| 45 | ␉␊ |
| 46 | }␊ |
| 47 | ␊ |
| 48 | -(void) dealloc␊ |
| 49 | {␊ |
| 50 | ␉[self cleanup ];␊ |
| 51 | ␉[super dealloc];␊ |
| 52 | }␊ |
| 53 | ␊ |
| 54 | -(NSString*) description␊ |
| 55 | {␉␊ |
| 56 | ␉return smString;␊ |
| 57 | }␊ |
| 58 | ␊ |
| 59 | -(NSUInteger) extractSmBios␊ |
| 60 | {␊ |
| 61 | ␉␊ |
| 62 | ␉const char* SmbiosCmd = "ioreg -lw0 | grep \"\\\"SMBIOS\\\" = <\"";␊ |
| 63 | ␉const char* SmbiosTag = "\"SMBIOS\" = <";␊ |
| 64 | ␉ShellProcess p(SmbiosCmd);␊ |
| 65 | ␉char line[8192]="";␊ |
| 66 | ␉const size_t tagLen= strlen(SmbiosTag);␊ |
| 67 | ␉␊ |
| 68 | ␉if (p.get_line(line, sizeof(line)) )␊ |
| 69 | ␉{␊ |
| 70 | ␉␉const char * p = strstr(line, SmbiosTag)+ tagLen;␊ |
| 71 | ␉␉std::string s = trim(p, " \t\r\n>");␊ |
| 72 | ␉␉NSLog(@"Found SMBIOS (%d) [%s]", s.length(), s.c_str() );␊ |
| 73 | ␉␉[self cleanup];␊ |
| 74 | ␉␉self.smString = [NSString stringWithUTF8String:s.c_str()];␊ |
| 75 | ␉␉bufSize = s.length()/2;␊ |
| 76 | ␉␉buffer = new UInt8[bufSize];␊ |
| 77 | ␉␉for(size_t pos =0; pos < bufSize; pos++)␊ |
| 78 | ␉␉{␊ |
| 79 | ␉␉␉buffer[pos] = (HexToDec(s[pos*2])*16 + HexToDec(s[pos*2+1]));␊ |
| 80 | ␉␉}␊ |
| 81 | ␉␉␊ |
| 82 | ␉␉decodeSMBIOSTable(buffer, buffer+bufSize);␉␉␉␉␊ |
| 83 | ␉}␊ |
| 84 | ␉return 0;␊ |
| 85 | }␊ |
| 86 | ␊ |
| 87 | -(NSString*) stringFrom:(NSUInteger) start withLen:(NSUInteger) len␊ |
| 88 | {␊ |
| 89 | ␉return [smString substringWithRange: NSMakeRange(start*2, len) ];␊ |
| 90 | }␊ |
| 91 | ␊ |
| 92 | -(UInt8) ByteFrom:(NSUInteger) position␊ |
| 93 | {␊ |
| 94 | ␉return position < bufSize ? buffer[position]: 0;␊ |
| 95 | }␊ |
| 96 | ␊ |
| 97 | @end␊ |
| 98 | |
