2 // Class to manage partition type codes -- a slight variant on MBR type
3 // codes, GUID type codes, and associated names.
5 /* This program is copyright (c) 2009-2011 by Roderick W. Smith. It is distributed
6 under the terms of the GNU GPL version 2, as detailed in the COPYING file. */
8 #define __STDC_LIMIT_MACROS
9 #define __STDC_CONSTANT_MACROS
15 #include "parttypes.h"
19 int PartType::numInstances = 0;
20 AType* PartType::allTypes = NULL;
21 AType* PartType::lastType = NULL;
23 // Constructor. Its main task is to initialize the data list, but only
24 // if this is the first instance, since it's a static linked list.
25 // Partition type codes are MBR type codes multiplied by 0x0100, with
26 // additional related codes taking on following numbers. For instance,
27 // the FreeBSD disklabel code in MBR is 0xa5; here, it's 0xa500, with
28 // additional FreeBSD codes being 0xa501, 0xa502, and so on. This gives
29 // related codes similar numbers and (given appropriate entry positions
30 // in the linked list) keeps them together in the listings generated
31 // by typing "L" at the main gdisk menu.
32 PartType::PartType(void) : GUIDData() {
34 if (numInstances == 1) {
37 } // default constructor
39 PartType::PartType(const PartType & orig) : GUIDData(orig) {
41 if (numInstances == 1) { // should never happen; just being paranoid
44 } // PartType copy constructor
46 PartType::PartType(const GUIDData & orig) : GUIDData(orig) {
48 if (numInstances == 1) {
51 } // PartType copy constructor
53 PartType::~PartType(void) {
57 if (numInstances == 0) {
58 while (allTypes != NULL) {
60 allTypes = allTypes->next;
66 // Add all partition type codes to the internal linked-list structure.
67 // Used by constructors.
68 // See http://www.win.tue.nl/~aeb/partitions/partition_types-1.html
69 // for a list of MBR partition type codes.
70 void PartType::AddAllTypes(void) {
71 // Start with the "unused entry," which should normally appear only
72 // on empty partition table entries....
73 AddType(0x0000, "00000000-0000-0000-0000-000000000000", "Unused entry", 0);
75 // DOS/Windows partition types, which confusingly Linux also uses in GPT
76 AddType(0x0100, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-12
77 AddType(0x0400, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16 < 32M
78 AddType(0x0600, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16
79 AddType(0x0700, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 1); // NTFS (or HPFS)
80 AddType(0x0b00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-32
81 AddType(0x0c00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-32 LBA
82 AddType(0x0c01, "E3C9E316-0B5C-4DB8-817D-F92DF00215AE", "Microsoft reserved");
83 AddType(0x0e00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // FAT-16 LBA
84 AddType(0x1100, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-12
85 AddType(0x1400, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16 < 32M
86 AddType(0x1600, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16
87 AddType(0x1700, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden NTFS (or HPFS)
88 AddType(0x1b00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-32
89 AddType(0x1c00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-32 LBA
90 AddType(0x1e00, "EBD0A0A2-B9E5-4433-87C0-68B6B72699C7", "Microsoft basic data", 0); // Hidden FAT-16 LBA
91 AddType(0x2700, "DE94BBA4-06D1-4D40-A16A-BFD50179D6AC", "Windows RE");
92 AddType(0x4200, "AF9B60A0-1431-4F62-BC68-3311714A69AD", "Windows LDM data"); // Logical disk manager
93 AddType(0x4201, "5808C8AA-7E8F-42E0-85D2-E1E90434CFB3", "Windows LDM metadata"); // Logical disk manager
95 // An oddball IBM filesystem....
96 AddType(0x7501, "37AFFC90-EF7D-4E96-91C3-2D7AE055B174", "IBM GPFS"); // General Parallel File System (GPFS)
98 // ChromeOS-specific partition types...
99 // Values taken from vboot_reference/firmware/lib/cgptlib/include/gpt.h in
100 // ChromeOS source code, retrieved 12/23/2010. They're also at
101 // http://www.chromium.org/chromium-os/chromiumos-design-docs/disk-format.
102 // These have no MBR equivalents, AFAIK, so I'm using 0x7Fxx values, since they're close
103 // to the Linux values.
104 AddType(0x7f00, "FE3A2A5D-4F32-41A7-B725-ACCC3285A309", "ChromeOS kernel");
105 AddType(0x7f01, "3CB8E202-3B7E-47DD-8A3C-7FF2A13CFCEC", "ChromeOS root");
106 AddType(0x7f02, "2E0A753D-9E48-43B0-8337-B15192CB1B5E", "ChromeOS reserved");
108 // Linux-specific partition types....
109 AddType(0x8200, "0657FD6D-A4AB-43C4-84E5-0933C84B4F4F", "Linux swap"); // Linux swap (or Solaris)
110 AddType(0x8300, "0FC63DAF-8483-4772-8E79-3D69D8477DE4", "Linux filesystem"); // Linux native
111 AddType(0x8301, "8DA63339-0007-60C0-C436-083AC8230908", "Linux reserved");
112 AddType(0x8e00, "E6D6D379-F507-44C2-A23C-238F2A3DF928", "Linux LVM");
114 // FreeBSD partition types....
115 // Note: Rather than extract FreeBSD disklabel data, convert FreeBSD
116 // partitions in-place, and let FreeBSD sort out the details....
117 AddType(0xa500, "516E7CB4-6ECF-11D6-8FF8-00022D09712B", "FreeBSD disklabel");
118 AddType(0xa501, "83BD6B9D-7F41-11DC-BE0B-001560B84F0F", "FreeBSD boot");
119 AddType(0xa502, "516E7CB5-6ECF-11D6-8FF8-00022D09712B", "FreeBSD swap");
120 AddType(0xa503, "516E7CB6-6ECF-11D6-8FF8-00022D09712B", "FreeBSD UFS");
121 AddType(0xa504, "516E7CBA-6ECF-11D6-8FF8-00022D09712B", "FreeBSD ZFS");
122 AddType(0xa505, "516E7CB8-6ECF-11D6-8FF8-00022D09712B", "FreeBSD Vinum/RAID");
124 // Midnight BSD partition types....
125 AddType(0xa580, "85D5E45A-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD data");
126 AddType(0xa581, "85D5E45E-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD boot");
127 AddType(0xa582, "85D5E45B-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD swap");
128 AddType(0xa583, "0394Ef8B-237E-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD UFS");
129 AddType(0xa584, "85D5E45D-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD ZFS");
130 AddType(0xa585, "85D5E45C-237C-11E1-B4B3-E89A8F7FC3A7", "Midnight BSD Vinum");
132 // A MacOS partition type, separated from others by NetBSD partition types...
133 AddType(0xa800, "55465300-0000-11AA-AA11-00306543ECAC", "Apple UFS"); // Mac OS X
135 // NetBSD partition types. Note that the main entry sets it up as a
136 // FreeBSD disklabel. I'm not 100% certain this is the correct behavior.
137 AddType(0xa900, "516E7CB4-6ECF-11D6-8FF8-00022D09712B", "FreeBSD disklabel", 0); // NetBSD disklabel
138 AddType(0xa901, "49F48D32-B10E-11DC-B99B-0019D1879648", "NetBSD swap");
139 AddType(0xa902, "49F48D5A-B10E-11DC-B99B-0019D1879648", "NetBSD FFS");
140 AddType(0xa903, "49F48D82-B10E-11DC-B99B-0019D1879648", "NetBSD LFS");
141 AddType(0xa904, "2DB519C4-B10F-11DC-B99B-0019D1879648", "NetBSD concatenated");
142 AddType(0xa905, "2DB519EC-B10F-11DC-B99B-0019D1879648", "NetBSD encrypted");
143 AddType(0xa906, "49F48DAA-B10E-11DC-B99B-0019D1879648", "NetBSD RAID");
145 // Mac OS partition types (See also 0xa800, above)....
146 AddType(0xab00, "426F6F74-0000-11AA-AA11-00306543ECAC", "Apple boot");
147 AddType(0xaf00, "48465300-0000-11AA-AA11-00306543ECAC", "Apple HFS/HFS+");
148 AddType(0xaf01, "52414944-0000-11AA-AA11-00306543ECAC", "Apple RAID");
149 AddType(0xaf02, "52414944-5F4F-11AA-AA11-00306543ECAC", "Apple RAID offline");
150 AddType(0xaf03, "4C616265-6C00-11AA-AA11-00306543ECAC", "Apple label");
151 AddType(0xaf04, "5265636F-7665-11AA-AA11-00306543ECAC", "AppleTV recovery");
152 AddType(0xaf05, "53746F72-6167-11AA-AA11-00306543ECAC", "Apple Core Storage");
154 // Solaris partition types (one of which is shared with MacOS)
155 AddType(0xbe00, "6A82CB45-1DD2-11B2-99A6-080020736631", "Solaris boot");
156 AddType(0xbf00, "6A85CF4D-1DD2-11B2-99A6-080020736631", "Solaris root");
157 AddType(0xbf01, "6A898CC3-1DD2-11B2-99A6-080020736631", "Solaris /usr & Mac ZFS"); // Solaris/MacOS
158 AddType(0xbf02, "6A87C46F-1DD2-11B2-99A6-080020736631", "Solaris swap");
159 AddType(0xbf03, "6A8B642B-1DD2-11B2-99A6-080020736631", "Solaris backup");
160 AddType(0xbf04, "6A8EF2E9-1DD2-11B2-99A6-080020736631", "Solaris /var");
161 AddType(0xbf05, "6A90BA39-1DD2-11B2-99A6-080020736631", "Solaris /home");
162 AddType(0xbf06, "6A9283A5-1DD2-11B2-99A6-080020736631", "Solaris alternate sector");
163 AddType(0xbf07, "6A945A3B-1DD2-11B2-99A6-080020736631", "Solaris Reserved 1");
164 AddType(0xbf08, "6A9630D1-1DD2-11B2-99A6-080020736631", "Solaris Reserved 2");
165 AddType(0xbf09, "6A980767-1DD2-11B2-99A6-080020736631", "Solaris Reserved 3");
166 AddType(0xbf0a, "6A96237F-1DD2-11B2-99A6-080020736631", "Solaris Reserved 4");
167 AddType(0xbf0b, "6A8D2AC7-1DD2-11B2-99A6-080020736631", "Solaris Reserved 5");
169 // I can find no MBR equivalents for these, but they're on the
170 // Wikipedia page for GPT, so here we go....
171 AddType(0xc001, "75894C1E-3AEB-11D3-B7C1-7B03A0000000", "HP-UX data");
172 AddType(0xc002, "E2A1E728-32E3-11D6-A682-7B03A0000000", "HP-UX service");
174 // EFI system and related partitions
175 AddType(0xef00, "C12A7328-F81F-11D2-BA4B-00A0C93EC93B", "EFI System"); // Parted identifies these as having the "boot flag" set
176 AddType(0xef01, "024DEE41-33E7-11D3-9D69-0008C781F39F", "MBR partition scheme"); // Used to nest MBR in GPT
177 AddType(0xef02, "21686148-6449-6E6F-744E-656564454649", "BIOS boot partition"); // Boot loader
179 // A straggler Linux partition type....
180 AddType(0xfd00, "A19D880F-05FC-4D3B-A006-743F0F84911E", "Linux RAID");
182 // Note: DO NOT use the 0xffff code; that's reserved to indicate an
183 // unknown GUID type code.
184 } // PartType::AddAllTypes()
186 // Add a single type to the linked list of types. Returns 1 if operation
187 // succeeds, 0 otherwise.
188 int PartType::AddType(uint16_t mbrType, const char * guidData, const char * name,
193 tempType = new AType;
194 if (tempType != NULL) {
195 tempType->MBRType = mbrType;
196 tempType->GUIDType = guidData;
197 tempType->name = name;
198 tempType->display = toDisplay;
199 tempType->next = NULL;
200 if (allTypes == NULL) { // first entry
203 lastType->next = tempType;
207 cerr << "Unable to allocate memory in PartType::AddType()! Partition type list will\n";
208 cerr << "be incomplete!\n";
212 } // GUID::AddType(const char* variant)
214 // Assignment operator by string. If the original string is short,
215 // interpret it as a gdisk hex code; if it's longer, interpret it as
216 // a direct entry of a GUID value. If a short string isn't a hex
217 // number, do nothing.
218 PartType & PartType::operator=(const string & orig) {
221 if (orig.length() < 32) {
223 sscanf(orig.c_str(), "%x", &hexCode);
227 GUIDData::operator=(orig);
228 } // if/else hexCode or GUID
230 } // PartType::operator=(const char * orig)
232 // Assignment from C-style string; rely on C++ casting....
233 PartType & PartType::operator=(const char * orig) {
234 return operator=((string) orig);
235 } // PartType::operator=(const char * orig)
237 // Assign a GUID based on my custom 2-byte (16-bit) MBR hex ID variant
238 PartType & PartType::operator=(uint16_t ID) {
239 AType* theItem = allTypes;
242 // Now search the type list for a match to the ID....
243 while ((theItem != NULL) && (!found)) {
244 if (theItem->MBRType == ID) {
245 GUIDData::operator=(theItem->GUIDType);
248 theItem = theItem->next;
252 // Assign a default value....
253 operator=(DEFAULT_TYPE);
254 cout.setf(ios::uppercase);
256 cout << "Exact type match not found for type code ";
258 cout << hex << ID << "; assigning type code for\n'" << TypeName() << "'\n" << dec;
262 } // PartType::operator=(uint16_t ID)
264 // Return the English description of the partition type (e.g., "Linux filesystem")
265 string PartType::TypeName(void) const {
266 AType* theItem = allTypes;
270 while ((theItem != NULL) && (!found)) {
271 if (theItem->GUIDType == *this) { // found it!
272 typeName = theItem->name;
275 theItem = theItem->next;
279 typeName = "Unknown";
282 } // PartType::TypeName()
284 // Return the Unicode description of the partition type (e.g., "Linux filesystem")
285 UnicodeString PartType::UTypeName(void) const {
286 AType* theItem = allTypes;
288 UnicodeString typeName;
290 while ((theItem != NULL) && (!found)) {
291 if (theItem->GUIDType == *this) { // found it!
292 typeName = theItem->name.c_str();
295 theItem = theItem->next;
299 typeName = "Unknown";
302 } // PartType::TypeName()
304 // Return the custom GPT fdisk 2-byte (16-bit) hex code for this GUID partition type
305 // Note that this function ignores entries for which the display variable
306 // is set to 0. This enables control of which values get returned when
307 // there are multiple possibilities, but opens the algorithm up to the
308 // potential for problems should the data in the list be bad.
309 uint16_t PartType::GetHexType() const {
310 AType* theItem = allTypes;
312 uint16_t theID = 0xFFFF;
314 while ((theItem != NULL) && (!found)) {
315 if ((theItem->GUIDType == *this) && (theItem->display == 1)) { // found it!
316 theID = theItem->MBRType;
319 theItem = theItem->next;
326 } // PartType::GetHex()
328 // Displays the available types and my extended MBR codes for same....
329 // Note: This function assumes an 80-column display. On wider displays,
330 // it stops at under 80 columns; on narrower displays, lines will wrap
332 void PartType::ShowAllTypes(void) const {
333 int colCount = 1; // column count
335 AType* thisType = allTypes;
337 cout.unsetf(ios::uppercase);
338 while (thisType != NULL) {
339 if (thisType->display == 1) { // show it
342 cout << hex << thisType->MBRType << " ";
343 cout << thisType->name.substr(0, 20);
344 for (i = 0; i < (20 - (thisType->name.substr(0, 20).length())); i++)
346 if ((colCount % 3) == 0)
352 thisType = thisType->next;
356 } // PartType::ShowTypes()
358 // Returns 1 if code is a valid extended MBR code, 0 if it's not
359 int PartType::Valid(uint16_t code) const {
360 AType* thisType = allTypes;
363 while ((thisType != NULL) && (!found)) {
364 if (thisType->MBRType == code) {
367 thisType = thisType->next;
370 } // PartType::Valid()