| 1 | //␊ |
| 2 | // PartitionInfoElement.mm␊ |
| 3 | // ChameleonPrefPane␊ |
| 4 | //␊ |
| 5 | // Powerful Partition Info class utility␊ |
| 6 | //␊ |
| 7 | // Created by Rekursor on 11-11-12.␊ |
| 8 | //␊ |
| 9 | ␊ |
| 10 | #import "PartitionInfoElement.h"␊ |
| 11 | #import "ShellProcess.h"␊ |
| 12 | #include "string_util.h"␊ |
| 13 | ␊ |
| 14 | static NSUInteger sHdRedirTable[MAX_HD];␊ |
| 15 | ␊ |
| 16 | @implementation PartitionInfoElement␊ |
| 17 | ␊ |
| 18 | @synthesize descDict, bsdName, vUUID, vKind, vName, vPath, mediaPath, mediaRemovable, devInternal, devProtocol;␊ |
| 19 | @synthesize vAliasName, hidden, bootInfo;␊ |
| 20 | ␊ |
| 21 | /// Create a list of all bsd partitions␊ |
| 22 | +(NSArray*) createBSDPartitionList␊ |
| 23 | {␊ |
| 24 | ␉NSMutableArray* arr = [[[NSMutableArray alloc] init] autorelease];␊ |
| 25 | ␉␊ |
| 26 | ␉char line[256];␊ |
| 27 | ␉ShellProcess p;␊ |
| 28 | ␉␊ |
| 29 | ␉p.open("ls -1 /dev/disk*");␊ |
| 30 | ␉while( p.get_line(line, sizeof(line)-1))␊ |
| 31 | ␉{␊ |
| 32 | ␉␉size_t l = strlen(line);␊ |
| 33 | ␉␉if (l==0 || strstr(line, "ls:")!=NULL) continue;␊ |
| 34 | ␉␉if (line[l-1]) line[l-1]='\0';␊ |
| 35 | ␉␉const char * p = strstr(line, "disk");␊ |
| 36 | ␉␉NSString* s = [NSString stringWithUTF8String: p] ;␊ |
| 37 | ␉␉[arr addObject: s];␉␊ |
| 38 | ␉␉␊ |
| 39 | ␉}␊ |
| 40 | ␉p.close();␊ |
| 41 | ␉␊ |
| 42 | ␉return arr;␊ |
| 43 | }␊ |
| 44 | /// extract version info from boot files when possible␊ |
| 45 | - (NSString*) cmdInfoForFile:(NSString*) file ␊ |
| 46 | withFilter:(NSString*) filter␊ |
| 47 | withPath:(NSString*) path␊ |
| 48 | {␊ |
| 49 | std::string p = [path UTF8String];␊ |
| 50 | p += [file UTF8String];␊ |
| 51 | ␊ |
| 52 | if (!fileExists(p)) return @"";␊ |
| 53 | ␊ |
| 54 | NSString *cmd = [NSString stringWithFormat:@"strings \"%@%@\" | sed -nE '%@'",␊ |
| 55 | path, file, filter];␊ |
| 56 | // NSLog(@"cmd to run is %@", cmd);␊ |
| 57 | return [NSString stringWithUTF8String: ShellProcess([cmd UTF8String]).get_line().c_str()];␊ |
| 58 | }␊ |
| 59 | ␊ |
| 60 | /// Get the boot information string, for chameleon only for now ...␊ |
| 61 | -(NSString*) bootDescription␊ |
| 62 | {␊ |
| 63 | if (bootInfo != nil) return bootInfo;␊ |
| 64 | ␊ |
| 65 | NSString* path = [[self.vPath ␊ |
| 66 | stringByReplacingOccurrencesOfString: @"file://localhost"␊ |
| 67 | withString:@""] ␊ |
| 68 | stringByReplacingOccurrencesOfString:@"%20" withString:@" "];␊ |
| 69 | NSString *cmdCham = [self cmdInfoForFile: @"boot" ␊ |
| 70 | withFilter: @"s!^Darwin/x86 boot v.+\\ -\\ (.+)!\\1!p"␊ |
| 71 | withPath: path];␊ |
| 72 | NSString *cmdDarwin = [self cmdInfoForFile: @"mach_kernel" ␊ |
| 73 | withFilter: @"s!^(Darwin Kernel Version.+)(\\: .*$)!\\1!p"␊ |
| 74 | withPath: path];␊ |
| 75 | NSString *cmdWindows = (cmdDarwin==nil) ? @"" : ␊ |
| 76 | [self cmdInfoForFile: @"boot.ini" ␊ |
| 77 | withFilter: @"s!^multi.+WIN.+=\\\"(.+)(\\\".+$)!\\1!p"␊ |
| 78 | withPath: path];␊ |
| 79 | ␊ |
| 80 | NSString * result = [[cmdCham stringByAppendingString: cmdDarwin] ␊ |
| 81 | stringByAppendingString:cmdWindows];␊ |
| 82 | result = [result stringByTrimmingCharactersInSet: ␊ |
| 83 | [NSCharacterSet whitespaceAndNewlineCharacterSet] ];␊ |
| 84 | ␊ |
| 85 | return (bootInfo = [result length] > 0 ? result : nil);␊ |
| 86 | }␊ |
| 87 | ␊ |
| 88 | ␊ |
| 89 | /// redirection table for disk swapping␊ |
| 90 | +(NSUInteger*) hdRedirTable␊ |
| 91 | {␊ |
| 92 | ␉return sHdRedirTable;␊ |
| 93 | }␊ |
| 94 | ␊ |
| 95 | /// redirection table for disk swapping␊ |
| 96 | /// extract disk number from bsdname spec␊ |
| 97 | -(int) diskNumber␊ |
| 98 | {␊ |
| 99 | ␉int newDiskNum = (diskNum>=0 && diskNum <MAX_HD) ? sHdRedirTable[diskNum] : diskNum;␊ |
| 100 | ␉return newDiskNum;␊ |
| 101 | }␊ |
| 102 | ␊ |
| 103 | /// extract partition number from bsdname spec␊ |
| 104 | -(int) partitionNumber␊ |
| 105 | {␊ |
| 106 | ␉return partNum; // todo extract d num from bsdname␊ |
| 107 | }␊ |
| 108 | ␊ |
| 109 | -(NSString*) hdString␊ |
| 110 | {␊ |
| 111 | ␉return [NSString stringWithFormat:@"hd(%d,%d)", [self diskNumber], [self partitionNumber]];␊ |
| 112 | }␊ |
| 113 | ␊ |
| 114 | -(void) setDiskNumber: (int) d␊ |
| 115 | {␊ |
| 116 | ␉diskNum = d;␊ |
| 117 | }␊ |
| 118 | ␊ |
| 119 | -(void) setPartitionNumber:(int) p␊ |
| 120 | {␊ |
| 121 | ␉partNum = p;␊ |
| 122 | }␊ |
| 123 | /// return true if partition extraction successfully executed, false otherwise␊ |
| 124 | -(bool) isValid␊ |
| 125 | {␊ |
| 126 | ␉␊ |
| 127 | ␉return (␊ |
| 128 | ␉␉␉err==0␊ |
| 129 | ␉␉␉&& [self isBootable] ␊ |
| 130 | ␉␉␉// with chameleon as much as possible␊ |
| 131 | ␉␉␉&& ![[self devProtocol] isEqual:@"Virtual Interface"]␊ |
| 132 | ␉␉␉);␊ |
| 133 | }␊ |
| 134 | ␊ |
| 135 | /// Extract a particular information from the disk partition dictionary from a key, generate a string value output␊ |
| 136 | -(NSString*) stringValueWithKey: (NSString*) key␊ |
| 137 | {␊ |
| 138 | ␉if (err) return @"";␊ |
| 139 | ␉CFTypeRef o = [descDict objectForKey: key];␊ |
| 140 | ␉if (o==nil) return @"";␊ |
| 141 | ␉CFStringRef sref = CFStringCreateWithFormat(NULL, NULL, CFSTR("%@"), o);␊ |
| 142 | ␉NSString* s = [[((NSString*) sref) copy] autorelease];␊ |
| 143 | ␉CFRelease(sref);␊ |
| 144 | ␉return s;␊ |
| 145 | }␊ |
| 146 | ␊ |
| 147 | /// main extraction method create a dictionary containing all needed information from disk arbitration API␊ |
| 148 | - (int) extractInfoWithBSDName: (NSString*) name withinSession:(DASessionRef) session␊ |
| 149 | {␊ |
| 150 | ␉err = 0;␊ |
| 151 | ␉␊ |
| 152 | ␉NSRange rDisk = [name rangeOfString:@"disk"];␊ |
| 153 | ␉NSRange rS = [name rangeOfString:@"s" options:NSBackwardsSearch] ;␊ |
| 154 | ␉␊ |
| 155 | ␉if (name == nil ␊ |
| 156 | ␉␉|| [name length] < 7 ␊ |
| 157 | ␉␉|| rDisk.location == NSNotFound ␊ |
| 158 | ␉␉|| rS.location <5) ␊ |
| 159 | ␉{␊ |
| 160 | ␉␉err = EINVAL;␊ |
| 161 | ␉␉return err;␊ |
| 162 | ␉}␊ |
| 163 | ␉␉␉␉␉␉␉␉␉␉␉ ␊ |
| 164 | ␉// extract disk and partition number␊ |
| 165 | ␉int pos = rDisk.location+rDisk.length;␊ |
| 166 | ␉int pos2 = rS.location+rS.length;␊ |
| 167 | ␉NSString* sDisk = [name substringWithRange:␊ |
| 168 | ␉␉␉␉␉ NSMakeRange(pos, rS.location - pos) ];␊ |
| 169 | ␉NSString* sPart = [name substringFromIndex: pos2 ];␊ |
| 170 | ␉␊ |
| 171 | ␉bool mustRelease = (session == nil) ? true : false;␊ |
| 172 | ␉␊ |
| 173 | ␉if (session == nil)␊ |
| 174 | ␉{␊ |
| 175 | ␉␉session = DASessionCreate(NULL);␊ |
| 176 | ␉}␊ |
| 177 | ␉␊ |
| 178 | ␉if (session == NULL)␉err = EINVAL;␊ |
| 179 | ␉␊ |
| 180 | ␉if (err == 0) {␊ |
| 181 | ␉␉DADiskRef disk = DADiskCreateFromBSDName(NULL, session, [name UTF8String] );␊ |
| 182 | ␉␉if (disk == NULL) err = EINVAL;␊ |
| 183 | else␊ |
| 184 | {␊ |
| 185 | [self cleanup];␊ |
| 186 | CFDictionaryRef␉dr = DADiskCopyDescription(disk);␊ |
| 187 | if (dr!=NULL)␊ |
| 188 | {␊ |
| 189 | descDict = (NSDictionary*) dr;␊ |
| 190 | CFRelease(dr);␊ |
| 191 | }␊ |
| 192 | }␊ |
| 193 | if (disk) CFRelease(disk);␊ |
| 194 | ␉}␊ |
| 195 | ␊ |
| 196 | ␉if (err == 0) {␊ |
| 197 | ␉␉diskNum = [sDisk␉intValue];␊ |
| 198 | ␉␉partNum = [sPart␉intValue];␊ |
| 199 | ␉␉␊ |
| 200 | ␉␉self.vUUID = [self stringValueWithKey: @"DAVolumeUUID"];␊ |
| 201 | ␉␉self.vName = [self stringValueWithKey: @"DAVolumeName"];␊ |
| 202 | ␉␉self.vPath = [self stringValueWithKey: @"DAVolumePath"];␊ |
| 203 | ␉␉if (self.vName == nil || [vName length]==0)␊ |
| 204 | ␉␉␉self.vName = [[self.vPath lastPathComponent ] stringByReplacingOccurrencesOfString:@"%20" withString:@" "];␊ |
| 205 | ␉␉self.vAliasName = self.vName; // by default renamed = original part name ␊ |
| 206 | ␉␉self.vKind = [self stringValueWithKey: @"DAVolumeKind"];␊ |
| 207 | ␉␉self.mediaPath = [self stringValueWithKey: @"DAMediaPath"];␊ |
| 208 | ␉␉self.devProtocol = [self stringValueWithKey: @"DADeviceProtocol"];␊ |
| 209 | ␉␉self.bsdName = [NSString stringWithString:name];␊ |
| 210 | ␉␉␊ |
| 211 | ␉␉self.devInternal = (bool) [[descDict objectForKey: @"DADeviceInternal"] boolValue];␊ |
| 212 | ␉␉self.mediaRemovable = (bool) [[descDict objectForKey: @"DAMediaRemovable"] boolValue];␊ |
| 213 | ␉␉␊ |
| 214 | ␉}␊ |
| 215 | ␉␊ |
| 216 | ␉// Clean up.␊ |
| 217 | ␉␊ |
| 218 | ␉if (session != NULL && mustRelease) CFRelease(session);␊ |
| 219 | ␉␊ |
| 220 | ␉return err;␊ |
| 221 | }␊ |
| 222 | ␊ |
| 223 | +(NSMutableArray*)␉extractInfoWithBSDNames: (NSArray*) bsdNames␊ |
| 224 | {␊ |
| 225 | ␉return [PartitionInfoElement extractInfoWithBSDNames:bsdNames withArray: nil];␊ |
| 226 | }␊ |
| 227 | ␊ |
| 228 | /// main extraction method create a dictionary of PartitionInfoElement objects containing all needed information from disk arbitration API␊ |
| 229 | + (NSMutableArray*) extractInfoWithBSDNames: (NSArray*) names withArray:(NSMutableArray*) arr␊ |
| 230 | {␉␉␊ |
| 231 | ␉NSArray* partArr = [PartitionInfoElement createBSDPartitionList];␊ |
| 232 | ␉if (arr == nil)␊ |
| 233 | ␉␉arr = [[[NSMutableArray alloc ] init] autorelease];␊ |
| 234 | ␉␊ |
| 235 | ␉if (partArr!=nil && [partArr count]>0)␊ |
| 236 | ␉{␊ |
| 237 | ␉␉␉DASessionRef session = DASessionCreate(NULL);␊ |
| 238 | ␉␉␉for (NSString* part in partArr)␊ |
| 239 | ␉␉␉{␊ |
| 240 | ␉␉␉␉PartitionInfoElement* elt = ␊ |
| 241 | ␉␉␉␉[[[PartitionInfoElement alloc] initWithBSDName: part withinSession: session] autorelease];␊ |
| 242 | ␉␉␉␉if (elt!=nil && [[elt vName] length] >0 && [elt isValid] ) ␊ |
| 243 | ␉␉␉␉␉[arr addObject: elt];␊ |
| 244 | ␉␉␉}␊ |
| 245 | ␉␉␉if (session!=nil) CFRelease(session);␊ |
| 246 | ␉}␊ |
| 247 | ␉return arr;␊ |
| 248 | }␊ |
| 249 | ␊ |
| 250 | - (int) extractInfoWithBSDName: (NSString*) name ␊ |
| 251 | {␊ |
| 252 | ␉return [self extractInfoWithBSDName:name withinSession: nil]; ␊ |
| 253 | }␊ |
| 254 | ␊ |
| 255 | -(bool) isBootable␊ |
| 256 | {␊ |
| 257 | ␉bool bootable = false;␊ |
| 258 | ␉NSFileManager* mgr = [NSFileManager defaultManager];␊ |
| 259 | ␉NSString *fmt = @"/Volumes/%@%s";␊ |
| 260 | ␉NSRange r = [vPath rangeOfString:@"file://localhost/Volumes/"];␊ |
| 261 | ␉NSString * vol = [NSString stringWithFormat: @"%@/",vName];␊ |
| 262 | ␉␊ |
| 263 | ␉// ␊ |
| 264 | ␉if (r.location != NSNotFound) {␊ |
| 265 | ␉␉vol = [[vPath substringFromIndex:r.location+r.length] stringByReplacingOccurrencesOfString:@"%20" withString:@" "];␊ |
| 266 | ␉}␊ |
| 267 | ␉␊ |
| 268 | ␉// that Windows is the name of WIN32 bootable disk dir ...␊ |
| 269 | ␉if(␊ |
| 270 | ␉␉[mgr fileExistsAtPath: [NSString stringWithFormat: fmt, vol, "System/Library/Extensions" ]] ||␊ |
| 271 | ␉ [mgr fileExistsAtPath: [NSString stringWithFormat: fmt, vol, "ntldr" ]] ||␊ |
| 272 | ␉␉[mgr fileExistsAtPath: [NSString stringWithFormat: fmt, vol, "bootmgr" ]] ||␊ |
| 273 | ␉␉[mgr fileExistsAtPath: [NSString stringWithFormat: fmt, vol, "boot/bcd" ]] ||␊ |
| 274 | ␉␉[mgr fileExistsAtPath: [NSString stringWithFormat: fmt, vol, "pagefile.sys" ]] ||␊ |
| 275 | ␉␉[mgr fileExistsAtPath: [NSString stringWithFormat: fmt, vol, "hiberfil.sys" ]] ␊ |
| 276 | ␉ )␊ |
| 277 | ␉␉bootable=true;␊ |
| 278 | ␉else if ([vName rangeOfString:@"ext"].location != NSNotFound) // linux ?␊ |
| 279 | ␉␉bootable = true;␊ |
| 280 | ␉return bootable;␊ |
| 281 | }␊ |
| 282 | ␊ |
| 283 | /// Return the partition image index according to its file system␊ |
| 284 | -(int) imageIndexFromFs␊ |
| 285 | {␊ |
| 286 | ␉␊ |
| 287 | ␉if ( [[self vKind] rangeOfString:@"hfs"].location != NSNotFound )␊ |
| 288 | ␉␉return 0; // Mac␊ |
| 289 | ␉if ( [[self vKind] rangeOfString:@"fat"].location != NSNotFound ||␊ |
| 290 | ␉␉ [[self vKind] rangeOfString:@"ntfs"].location != NSNotFound ||␊ |
| 291 | ␉␉ [[self vKind] rangeOfString:@"dos"].location != NSNotFound )␊ |
| 292 | ␉␉return 1; // Windows␊ |
| 293 | ␉if ( [[self vKind] rangeOfString:@"ext"].location != NSNotFound )␊ |
| 294 | ␉␉return 2; // Linux␊ |
| 295 | ␉␊ |
| 296 | ␉return 10; // unknown␊ |
| 297 | }␊ |
| 298 | ␊ |
| 299 | /// Volume label trimming utility function␊ |
| 300 | +(NSString*) removesSpacesFromLabel:(NSString*) label␊ |
| 301 | {␊ |
| 302 | ␉if (label == nil || [label length]==0) return label;␊ |
| 303 | ␉return [label stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];␊ |
| 304 | }␊ |
| 305 | ␊ |
| 306 | /// make the object description available for NSLog() debug purpose␊ |
| 307 | -(NSString*) description␊ |
| 308 | {␊ |
| 309 | ␉NSString* format =␊ |
| 310 | ␉@"(\n"␊ |
| 311 | ␉ " bsdName %@\n deviceProtocol %@\n deviceInternal %i\n"␊ |
| 312 | ␉ " volumeName %@\n volumeKind %@\n volumeUUID %@\n"␊ |
| 313 | ␉ " volumePath %@\n mediaPath %@\n mediaRemovable %i\n"␉␊ |
| 314 | ␉ ")";␊ |
| 315 | ␉NSString* value = [NSString stringWithFormat: format,␊ |
| 316 | ␉␉␉␉␉ self.bsdName, self.devProtocol, self.devInternal, ␊ |
| 317 | ␉␉␉␉␉ self.vName, self.vKind, self.vUUID, ␊ |
| 318 | ␉␉␉␉␉ self.vPath, self.mediaPath, self.mediaRemovable ];␊ |
| 319 | ␉return value;␊ |
| 320 | }␊ |
| 321 | ␊ |
| 322 | ␊ |
| 323 | /// initialize a partition element with DA partition info␊ |
| 324 | -(id) initWithBSDName:(NSString*) name ␊ |
| 325 | {␊ |
| 326 | ␉self = [super init];␊ |
| 327 | ␉diskNum = partNum = -1;␊ |
| 328 | ␉err = [self extractInfoWithBSDName: name withinSession: nil];␊ |
| 329 | ␉return self;␊ |
| 330 | }␊ |
| 331 | ␊ |
| 332 | /// initialize a partition element with DA partition info and an optional opened session␊ |
| 333 | -(id) initWithBSDName:(NSString*) name withinSession:(DASessionRef) session␊ |
| 334 | {␊ |
| 335 | ␉self = [super init];␊ |
| 336 | ␉diskNum = partNum = -1;␊ |
| 337 | ␉err = [self extractInfoWithBSDName: name withinSession: session];␊ |
| 338 | ␉␊ |
| 339 | ␉return self;␊ |
| 340 | }␊ |
| 341 | ␊ |
| 342 | -(void) cleanup␊ |
| 343 | {␊ |
| 344 | ␊ |
| 345 | ␉if (descDict != nil) CFRelease(descDict);␊ |
| 346 | ␉if (bsdName != nil) [bsdName release];␊ |
| 347 | ␉if (vUUID != nil) [vUUID release];␊ |
| 348 | ␉if (vKind != nil) [vKind release];␊ |
| 349 | ␉if (vName != nil) [vName release];␊ |
| 350 | ␉if (mediaPath != nil) [mediaPath release];␊ |
| 351 | ␉if (devProtocol != nil) [devProtocol release];␊ |
| 352 | ␉if (vAliasName != nil) [vAliasName release];␊ |
| 353 | ␉if (bootInfo != nil) [bootInfo release];␊ |
| 354 | ␉bsdName = vUUID = vKind = vName = mediaPath = devProtocol = vAliasName = bootInfo = nil;␊ |
| 355 | ␉descDict = nil;␊ |
| 356 | }␊ |
| 357 | ␊ |
| 358 | /// release created objects␊ |
| 359 | -(void) dealloc␊ |
| 360 | {␊ |
| 361 | ␉[self cleanup];␊ |
| 362 | ␉[super dealloc];␊ |
| 363 | }␊ |
| 364 | ␊ |
| 365 | @end␊ |
| 366 | |
