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author | srs5694 <srs5694@users.sourceforge.net> | 2011-09-10 20:30:20 -0400 |
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committer | srs5694 <srs5694@users.sourceforge.net> | 2011-09-10 20:30:20 -0400 |
commit | a17fe69ec07c93a24894e4c4243f05af2bfc5bd7 (patch) | |
tree | e79312858bcf530d1d27d7112dd03e433c947b44 /sgdisk.cc | |
parent | 3860cbe1cafb88d70097bdfb8d84cc0029f1738e (diff) | |
download | sgdisk-a17fe69ec07c93a24894e4c4243f05af2bfc5bd7.tar.gz |
Changes for version 0.8.0
Diffstat (limited to 'sgdisk.cc')
-rw-r--r-- | sgdisk.cc | 506 |
1 files changed, 3 insertions, 503 deletions
@@ -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() |