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authorsrs5694 <srs5694@users.sourceforge.net>2011-09-10 20:30:20 -0400
committersrs5694 <srs5694@users.sourceforge.net>2011-09-10 20:30:20 -0400
commita17fe69ec07c93a24894e4c4243f05af2bfc5bd7 (patch)
treee79312858bcf530d1d27d7112dd03e433c947b44 /sgdisk.cc
parent3860cbe1cafb88d70097bdfb8d84cc0029f1738e (diff)
downloadsgdisk-a17fe69ec07c93a24894e4c4243f05af2bfc5bd7.tar.gz
Changes for version 0.8.0
Diffstat (limited to 'sgdisk.cc')
-rw-r--r--sgdisk.cc506
1 files changed, 3 insertions, 503 deletions
diff --git a/sgdisk.cc b/sgdisk.cc
index 6b9429b..d3fe1a8 100644
--- a/sgdisk.cc
+++ b/sgdisk.cc
@@ -9,513 +9,13 @@
/* This program is copyright (c) 2009-2011 by Roderick W. Smith. It is distributed
under the terms of the GNU GPL version 2, as detailed in the COPYING file. */
-#include <stdio.h>
-#include <popt.h>
-#include <errno.h>
-#include <stdint.h>
-#include <string.h>
-#include <string>
-#include <iostream>
-#include <sstream>
-#include "mbr.h"
-#include "gpt.h"
-#include "support.h"
-#include "parttypes.h"
-#include "attributes.h"
+#include "gptcl.h"
using namespace std;
#define MAX_OPTIONS 50
-int BuildMBR(GPTData& theGPT, char* argument, int isHybrid);
-int CountColons(char* argument);
-
-// Extract colon-separated fields from a string....
-uint64_t GetInt(const string & argument, int itemNum);
-string GetString(string argument, int itemNum);
-
-
int main(int argc, char *argv[]) {
- GPTData theGPT, secondDevice;
- uint32_t sSize;
- uint64_t low, high;
- int opt, numOptions = 0, saveData = 0, neverSaveData = 0;
- int partNum = 0, deletePartNum = 0, infoPartNum = 0, bsdPartNum = 0, largestPartNum = 0;
- int saveNonGPT = 1;
- uint32_t gptPartNum = 0;
- int alignment = DEFAULT_ALIGNMENT, retval = 0, pretend = 0;
- uint32_t tableSize = 128;
- uint64_t startSector, endSector;
- uint64_t temp; // temporary variable; free to use in any case
- char *attributeOperation = NULL;
- char *device;
- char *newPartInfo = NULL, *typeCode = NULL, *partName = NULL;
- char *backupFile = NULL, *twoParts = NULL, *hybrids = NULL, *mbrParts;
- char *partGUID = NULL, *diskGUID = NULL, *outDevice = NULL;
- string cmd, typeGUID, name;
- PartType typeHelper;
-
- poptContext poptCon;
- struct poptOption theOptions[] =
- {
- {"attributes", 'A', POPT_ARG_STRING, &attributeOperation, 'A', "operate on partition attributes", "list|[partnum:show|or|nand|xor|=|set|clear|toggle|get[:bitnum|hexbitmask]]"},
- {"set-alignment", 'a', POPT_ARG_INT, &alignment, 'a', "set sector alignment", "value"},
- {"backup", 'b', POPT_ARG_STRING, &backupFile, 'b', "backup GPT to file", "file"},
- {"change-name", 'c', POPT_ARG_STRING, &partName, 'c', "change partition's name", "partnum:name"},
- {"recompute-chs", 'C', POPT_ARG_NONE, NULL, 'C', "recompute CHS values in protective/hybrid MBR", ""},
- {"delete", 'd', POPT_ARG_INT, &deletePartNum, 'd', "delete a partition", "partnum"},
- {"display-alignment", 'D', POPT_ARG_NONE, NULL, 'D', "show number of sectors per allocation block", ""},
- {"move-second-header", 'e', POPT_ARG_NONE, NULL, 'e', "move second header to end of disk", ""},
- {"end-of-largest", 'E', POPT_ARG_NONE, NULL, 'E', "show end of largest free block", ""},
- {"first-in-largest", 'f', POPT_ARG_NONE, NULL, 'f', "show start of the largest free block", ""},
- {"first-aligned-in-largest", 'F', POPT_ARG_NONE, NULL, 'F', "show start of the largest free block, aligned", ""},
- {"mbrtogpt", 'g', POPT_ARG_NONE, NULL, 'g', "convert MBR to GPT", ""},
- {"randomize-guids", 'G', POPT_ARG_NONE, NULL, 'G', "randomize disk and partition GUIDs", ""},
- {"hybrid", 'h', POPT_ARG_STRING, &hybrids, 'h', "create hybrid MBR", "partnum[:partnum...]"},
- {"info", 'i', POPT_ARG_INT, &infoPartNum, 'i', "show detailed information on partition", "partnum"},
- {"load-backup", 'l', POPT_ARG_STRING, &backupFile, 'l', "load GPT backup from file", "file"},
- {"list-types", 'L', POPT_ARG_NONE, NULL, 'L', "list known partition types", ""},
- {"gpttombr", 'm', POPT_ARG_STRING, &mbrParts, 'm', "convert GPT to MBR", "partnum[:partnum...]"},
- {"new", 'n', POPT_ARG_STRING, &newPartInfo, 'n', "create new partition", "partnum:start:end"},
- {"largest-new", 'N', POPT_ARG_INT, &largestPartNum, 'N', "create largest possible new partition", "partnum"},
- {"clear", 'o', POPT_ARG_NONE, NULL, 'o', "clear partition table", ""},
- {"print", 'p', POPT_ARG_NONE, NULL, 'p', "print partition table", ""},
- {"pretend", 'P', POPT_ARG_NONE, NULL, 'P', "make changes in memory, but don't write them", ""},
- {"transpose", 'r', POPT_ARG_STRING, &twoParts, 'r', "transpose two partitions", "partnum:partnum"},
- {"replicate", 'R', POPT_ARG_STRING, &outDevice, 'R', "replicate partition table", "device_filename"},
- {"sort", 's', POPT_ARG_NONE, NULL, 's', "sort partition table entries", ""},
- {"resize-table", 'S', POPT_ARG_INT, &tableSize, 'S', "resize partition table", "numparts"},
- {"typecode", 't', POPT_ARG_STRING, &typeCode, 't', "change partition type code", "partnum:{hexcode|GUID}"},
- {"transform-bsd", 'T', POPT_ARG_INT, &bsdPartNum, 'T', "transform BSD disklabel partition to GPT", "partnum"},
- {"partition-guid", 'u', POPT_ARG_STRING, &partGUID, 'u', "set partition GUID", "partnum:guid"},
- {"disk-guid", 'U', POPT_ARG_STRING, &diskGUID, 'U', "set disk GUID", "guid"},
- {"verify", 'v', POPT_ARG_NONE, NULL, 'v', "check partition table integrity", ""},
- {"version", 'V', POPT_ARG_NONE, NULL, 'V', "display version information", ""},
- {"zap", 'z', POPT_ARG_NONE, NULL, 'z', "zap (destroy) GPT (but not MBR) data structures", ""},
- {"zap-all", 'Z', POPT_ARG_NONE, NULL, 'Z', "zap (destroy) GPT and MBR data structures", ""},
- POPT_AUTOHELP { NULL, 0, 0, NULL, 0 }
- };
-
- // Create popt context...
- poptCon = poptGetContext(NULL, argc, (const char**) argv, theOptions, 0);
-
- poptSetOtherOptionHelp(poptCon, " [OPTION...] <device>");
-
- if (argc < 2) {
- poptPrintUsage(poptCon, stderr, 0);
- exit(1);
- }
-
- // Do one loop through the options to find the device filename and deal
- // with options that don't require a device filename....
- while ((opt = poptGetNextOpt(poptCon)) > 0) {
- switch (opt) {
- case 'A':
- cmd = GetString(attributeOperation, 1);
- if (cmd == "list")
- Attributes::ListAttributes();
- break;
- case 'L':
- typeHelper.ShowAllTypes();
- break;
- case 'P':
- pretend = 1;
- break;
- case 'V':
- cout << "GPT fdisk (sgdisk) version " << GPTFDISK_VERSION << "\n\n";
- break;
- default:
- break;
- } // switch
- numOptions++;
- } // while
-
- // Assume first non-option argument is the device filename....
- device = (char*) poptGetArg(poptCon);
- poptResetContext(poptCon);
-
- if (device != NULL) {
- theGPT.JustLooking(); // reset as necessary
- theGPT.BeQuiet(); // Tell called functions to be less verbose & interactive
- if (theGPT.LoadPartitions((string) device)) {
- if ((theGPT.WhichWasUsed() == use_mbr) || (theGPT.WhichWasUsed() == use_bsd))
- saveNonGPT = 0; // flag so we don't overwrite unless directed to do so
- sSize = theGPT.GetBlockSize();
- while ((opt = poptGetNextOpt(poptCon)) > 0) {
- switch (opt) {
- case 'A': {
- if (cmd != "list") {
- partNum = (int) GetInt(attributeOperation, 1) - 1;
- if ((partNum >= 0) && (partNum < (int) theGPT.GetNumParts())) {
- switch (theGPT.ManageAttributes(partNum, GetString(attributeOperation, 2),
- GetString(attributeOperation, 3))) {
- case -1:
- saveData = 0;
- neverSaveData = 1;
- break;
- case 1:
- theGPT.JustLooking(0);
- saveData = 1;
- break;
- default:
- break;
- } // switch
- } else {
- cerr << "Error: Invalid partition number " << partNum + 1 << "\n";
- saveData = 0;
- neverSaveData = 1;
- } // if/else reasonable partition #
- } // if (cmd != "list")
- break;
- } // case 'A':
- case 'a':
- theGPT.SetAlignment(alignment);
- break;
- case 'b':
- theGPT.SaveGPTBackup(backupFile);
- free(backupFile);
- break;
- case 'c':
- theGPT.JustLooking(0);
- partNum = (int) GetInt(partName, 1) - 1;
- name = GetString(partName, 2);
- if (theGPT.SetName(partNum, (UnicodeString) name.c_str())) {
- saveData = 1;
- } else {
- cerr << "Unable to set partition " << partNum + 1
- << "'s name to '" << GetString(partName, 2) << "'!\n";
- neverSaveData = 1;
- } // if/else
- free(partName);
- break;
- case 'C':
- theGPT.JustLooking(0);
- theGPT.RecomputeCHS();
- saveData = 1;
- break;
- case 'd':
- theGPT.JustLooking(0);
- if (theGPT.DeletePartition(deletePartNum - 1) == 0) {
- cerr << "Error " << errno << " deleting partition!\n";
- neverSaveData = 1;
- } else saveData = 1;
- break;
- case 'D':
- cout << theGPT.GetAlignment() << "\n";
- break;
- case 'e':
- theGPT.JustLooking(0);
- theGPT.MoveSecondHeaderToEnd();
- saveData = 1;
- break;
- case 'E':
- cout << theGPT.FindLastInFree(theGPT.FindFirstInLargest()) << "\n";
- break;
- case 'f':
- cout << theGPT.FindFirstInLargest() << "\n";
- break;
- case 'F':
- temp = theGPT.FindFirstInLargest();
- theGPT.Align(&temp);
- cout << temp << "\n";
- break;
- case 'g':
- theGPT.JustLooking(0);
- saveData = 1;
- saveNonGPT = 1;
- break;
- case 'G':
- theGPT.JustLooking(0);
- saveData = 1;
- theGPT.RandomizeGUIDs();
- break;
- case 'h':
- theGPT.JustLooking(0);
- if (BuildMBR(theGPT, hybrids, 1) == 1)
- saveData = 1;
- break;
- case 'i':
- theGPT.ShowPartDetails(infoPartNum - 1);
- break;
- case 'l':
- if (theGPT.LoadGPTBackup((string) backupFile) == 1) {
- theGPT.JustLooking(0);
- saveData = 1;
- } else {
- saveData = 0;
- neverSaveData = 1;
- cerr << "Error loading backup file!\n";
- } // else
- free(backupFile);
- break;
- case 'L':
- break;
- case 'm':
- theGPT.JustLooking(0);
- if (BuildMBR(theGPT, mbrParts, 0) == 1) {
- if (!pretend) {
- if (theGPT.SaveMBR()) {
- theGPT.DestroyGPT();
- } else
- cerr << "Problem saving MBR!\n";
- } // if
- saveNonGPT = 0;
- pretend = 1; // Not really, but works around problem if -g is used with this...
- saveData = 0;
- } // if
- break;
- case 'n':
- theGPT.JustLooking(0);
- partNum = (int) GetInt(newPartInfo, 1) - 1;
- if (partNum < 0)
- partNum = theGPT.FindFirstFreePart();
- low = theGPT.FindFirstInLargest();
- high = theGPT.FindLastInFree(low);
- startSector = IeeeToInt(GetString(newPartInfo, 2), sSize, low, high, low);
- endSector = IeeeToInt(GetString(newPartInfo, 3), sSize, startSector, high, high);
- if (theGPT.CreatePartition(partNum, startSector, endSector)) {
- saveData = 1;
- } else {
- cerr << "Could not create partition " << partNum + 1 << " from "
- << startSector << " to " << endSector << "\n";
- neverSaveData = 1;
- } // if/else
- free(newPartInfo);
- break;
- case 'N':
- theGPT.JustLooking(0);
- startSector = theGPT.FindFirstInLargest();
- endSector = theGPT.FindLastInFree(startSector);
- if (largestPartNum < 0)
- largestPartNum = theGPT.FindFirstFreePart();
- if (theGPT.CreatePartition(largestPartNum - 1, startSector, endSector)) {
- saveData = 1;
- } else {
- cerr << "Could not create partition " << largestPartNum << " from "
- << startSector << " to " << endSector << "\n";
- neverSaveData = 1;
- } // if/else
- break;
- case 'o':
- theGPT.JustLooking(0);
- theGPT.ClearGPTData();
- saveData = 1;
- break;
- case 'p':
- theGPT.DisplayGPTData();
- break;
- case 'P':
- pretend = 1;
- break;
- case 'r':
- theGPT.JustLooking(0);
- uint64_t p1, p2;
- p1 = GetInt(twoParts, 1) - 1;
- p2 = GetInt(twoParts, 2) - 1;
- if (theGPT.SwapPartitions((uint32_t) p1, (uint32_t) p2) == 0) {
- neverSaveData = 1;
- cerr << "Cannot swap partitions " << p1 + 1 << " and " << p2 + 1 << "\n";
- } else saveData = 1;
- break;
- case 'R':
- secondDevice = theGPT;
- secondDevice.SetDisk(outDevice);
- secondDevice.JustLooking(0);
- secondDevice.SaveGPTData(1);
- break;
- case 's':
- theGPT.JustLooking(0);
- theGPT.SortGPT();
- saveData = 1;
- break;
- case 'S':
- theGPT.JustLooking(0);
- if (theGPT.SetGPTSize(tableSize) == 0)
- neverSaveData = 1;
- else
- saveData = 1;
- break;
- case 't':
- theGPT.JustLooking(0);
- partNum = (int) GetInt(typeCode, 1) - 1;
- typeHelper = GetString(typeCode, 2);
- if ((typeHelper != (GUIDData) "00000000-0000-0000-0000-000000000000") &&
- (theGPT.ChangePartType(partNum, typeHelper))) {
- saveData = 1;
- } else {
- cerr << "Could not change partition " << partNum + 1
- << "'s type code to " << GetString(typeCode, 2) << "!\n";
- neverSaveData = 1;
- } // if/else
- free(typeCode);
- break;
- case 'T':
- theGPT.JustLooking(0);
- theGPT.XFormDisklabel(bsdPartNum - 1);
- saveData = 1;
- break;
- case 'u':
- theGPT.JustLooking(0);
- saveData = 1;
- gptPartNum = (int) GetInt(partGUID, 1) - 1;
- theGPT.SetPartitionGUID(gptPartNum, GetString(partGUID, 2).c_str());
- break;
- case 'U':
- theGPT.JustLooking(0);
- saveData = 1;
- theGPT.SetDiskGUID(diskGUID);
- break;
- case 'v':
- theGPT.Verify();
- break;
- case 'z':
- if (!pretend) {
- theGPT.DestroyGPT();
- } // if
- saveNonGPT = 0;
- saveData = 0;
- break;
- case 'Z':
- if (!pretend) {
- theGPT.DestroyGPT();
- theGPT.DestroyMBR();
- } // if
- saveNonGPT = 0;
- saveData = 0;
- break;
- default:
- cerr << "Unknown option (-" << opt << ")!\n";
- break;
- } // switch
- } // while
- if ((saveData) && (!neverSaveData) && (saveNonGPT) && (!pretend)) {
- theGPT.SaveGPTData(1);
- }
- if (saveData && (!saveNonGPT)) {
- cout << "Non-GPT disk; not saving changes. Use -g to override.\n";
- retval = 3;
- } // if
- if (neverSaveData) {
- cerr << "Error encountered; not saving changes.\n";
- retval = 4;
- } // if
- } else { // if loaded OK
- poptResetContext(poptCon);
- // Do a few types of operations even if there are problems....
- while ((opt = poptGetNextOpt(poptCon)) > 0) {
- switch (opt) {
- case 'v':
- cout << "Verification may miss some problems or report too many!\n";
- theGPT.Verify();
- break;
- case 'z':
- if (!pretend) {
- theGPT.DestroyGPT();
- } // if
- saveNonGPT = 0;
- saveData = 0;
- break;
- case 'Z':
- if (!pretend) {
- theGPT.DestroyGPT();
- theGPT.DestroyMBR();
- } // if
- saveNonGPT = 0;
- saveData = 0;
- break;
- } // switch
- } // while
- retval = 2;
- } // if/else loaded OK
- } // if (device != NULL)
- poptFreeContext(poptCon);
-
- return retval;
+ GPTDataCL theGPT;
+ return theGPT.DoOptions(argc, argv);
} // main
-
-// Create a hybrid or regular MBR from GPT data structures
-int BuildMBR(GPTData & theGPT, char* argument, int isHybrid) {
- int numParts, allOK = 1, i, origPartNum;
- MBRPart newPart;
- BasicMBRData newMBR;
-
- if ((&theGPT != NULL) && (argument != NULL)) {
- numParts = CountColons(argument) + 1;
- if (numParts <= (4 - isHybrid)) {
- newMBR.SetDisk(theGPT.GetDisk());
- for (i = 0; i < numParts; i++) {
- origPartNum = GetInt(argument, i + 1) - 1;
- if (theGPT.IsUsedPartNum(origPartNum)) {
- newPart.SetInclusion(PRIMARY);
- newPart.SetLocation(theGPT[origPartNum].GetFirstLBA(),
- theGPT[origPartNum].GetLengthLBA());
- newPart.SetStatus(0);
- newPart.SetType((uint8_t)(theGPT[origPartNum].GetHexType() / 0x0100));
- newMBR.AddPart(i + isHybrid, newPart);
- } else {
- cerr << "Partition " << origPartNum << " does not exist! Aborting operation!\n";
- allOK = 0;
- } // if/else
- } // for
- if (isHybrid) {
- newPart.SetInclusion(PRIMARY);
- newPart.SetLocation(1, newMBR.FindLastInFree(1));
- newPart.SetStatus(0);
- newPart.SetType(0xEE);
- newMBR.AddPart(0, newPart);
- } // if
- theGPT.SetProtectiveMBR(newMBR);
- } else allOK = 0;
- } else allOK = 0;
- if (!allOK)
- cerr << "Problem creating MBR!\n";
- return allOK;
-} // BuildMBR()
-
-// Returns the number of colons in argument string, ignoring the
-// first character (thus, a leading colon is ignored, as GetString()
-// does).
-int CountColons(char* argument) {
- int num = 0;
-
- while ((argument[0] != '\0') && (argument = strchr(&argument[1], ':')))
- num++;
-
- return num;
-} // CountColons()
-
-// Extract integer data from argument string, which should be colon-delimited
-uint64_t GetInt(const string & argument, int itemNum) {
- uint64_t retval;
-
- istringstream inString(GetString(argument, itemNum));
- inString >> retval;
- return retval;
-} // GetInt()
-
-// Extract string data from argument string, which should be colon-delimited
-// If string begins with a colon, that colon is skipped in the counting. If an
-// invalid itemNum is specified, returns an empty string.
-string GetString(string argument, int itemNum) {
- size_t startPos = 0, endPos = 0;
- string retVal = "";
- int foundLast = 0;
- int numFound = 0;
-
- if (argument[0] == ':')
- argument.erase(0, 1);
- while ((numFound < itemNum) && (!foundLast)) {
- endPos = argument.find(':', startPos);
- numFound++;
- if (endPos == string::npos) {
- foundLast = 1;
- endPos = argument.length();
- } else if (numFound < itemNum) {
- startPos = endPos + 1;
- } // if/elseif
- } // while
- if ((numFound == itemNum) && (numFound > 0))
- retVal = argument.substr(startPos, endPos - startPos);
-
- return retVal;
-} // GetString()