| /* |
| Copyright (C) 2010-2013 <Roderick W. Smith> |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License along |
| with this program; if not, write to the Free Software Foundation, Inc., |
| 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| |
| */ |
| |
| /* This class implements an interactive text-mode interface atop the |
| GPTData class */ |
| |
| #include <string.h> |
| #include <errno.h> |
| #include <stdint.h> |
| #include <limits.h> |
| #include <iostream> |
| #include <fstream> |
| #include <sstream> |
| #include <cstdio> |
| #include "attributes.h" |
| #include "gpttext.h" |
| #include "support.h" |
| |
| using namespace std; |
| |
| /******************************************** |
| * * |
| * GPTDataText class and related structures * |
| * * |
| ********************************************/ |
| |
| GPTDataTextUI::GPTDataTextUI(void) : GPTData() { |
| } // default constructor |
| |
| GPTDataTextUI::GPTDataTextUI(string filename) : GPTData(filename) { |
| } // constructor passing filename |
| |
| GPTDataTextUI::~GPTDataTextUI(void) { |
| } // default destructor |
| |
| /********************************************************************* |
| * * |
| * The following functions are extended (interactive) versions of * |
| * simpler functions in the base class.... * |
| * * |
| *********************************************************************/ |
| |
| // Overridden function; calls base-class function and then makes |
| // additional queries of the user, if the base-class function can't |
| // decide what to do. |
| WhichToUse GPTDataTextUI::UseWhichPartitions(void) { |
| WhichToUse which; |
| MBRValidity mbrState; |
| int answer; |
| |
| which = GPTData::UseWhichPartitions(); |
| if ((which != use_abort) || beQuiet) |
| return which; |
| |
| // If we get past here, it means that the non-interactive tests were |
| // inconclusive, so we must ask the user which table to use.... |
| mbrState = protectiveMBR.GetValidity(); |
| |
| if ((state == gpt_valid) && (mbrState == mbr)) { |
| cout << "Found valid MBR and GPT. Which do you want to use?\n"; |
| answer = GetNumber(1, 3, 2, " 1 - MBR\n 2 - GPT\n 3 - Create blank GPT\n\nYour answer: "); |
| if (answer == 1) { |
| which = use_mbr; |
| } else if (answer == 2) { |
| which = use_gpt; |
| cout << "Using GPT and creating fresh protective MBR.\n"; |
| } else which = use_new; |
| } // if |
| |
| // Nasty decisions here -- GPT is present, but corrupt (bad CRCs or other |
| // problems) |
| if (state == gpt_corrupt) { |
| if ((mbrState == mbr) || (mbrState == hybrid)) { |
| cout << "Found valid MBR and corrupt GPT. Which do you want to use? (Using the\n" |
| << "GPT MAY permit recovery of GPT data.)\n"; |
| answer = GetNumber(1, 3, 2, " 1 - MBR\n 2 - GPT\n 3 - Create blank GPT\n\nYour answer: "); |
| if (answer == 1) { |
| which = use_mbr; |
| } else if (answer == 2) { |
| which = use_gpt; |
| } else which = use_new; |
| } else if (mbrState == invalid) { |
| cout << "Found invalid MBR and corrupt GPT. What do you want to do? (Using the\n" |
| << "GPT MAY permit recovery of GPT data.)\n"; |
| answer = GetNumber(1, 2, 1, " 1 - Use current GPT\n 2 - Create blank GPT\n\nYour answer: "); |
| if (answer == 1) { |
| which = use_gpt; |
| } else which = use_new; |
| } // if/else/else |
| } // if (corrupt GPT) |
| |
| return which; |
| } // UseWhichPartitions() |
| |
| // Ask the user for a partition number; and prompt for verification |
| // if the requested partition isn't of a known BSD type. |
| // Lets the base-class function do the work, and returns its value (the |
| // number of converted partitions). |
| int GPTDataTextUI::XFormDisklabel(void) { |
| uint32_t partNum; |
| uint16_t hexCode; |
| int goOn = 1, numDone = 0; |
| BSDData disklabel; |
| |
| partNum = GetPartNum(); |
| |
| // Now see if the specified partition has a BSD type code.... |
| hexCode = partitions[partNum].GetHexType(); |
| if ((hexCode != 0xa500) && (hexCode != 0xa900)) { |
| cout << "Specified partition doesn't have a disklabel partition type " |
| << "code.\nContinue anyway? "; |
| goOn = (GetYN() == 'Y'); |
| } // if |
| |
| if (goOn) |
| numDone = GPTData::XFormDisklabel(partNum); |
| |
| return numDone; |
| } // GPTData::XFormDisklabel(void) |
| |
| |
| /********************************************************************* |
| * * |
| * Begin functions that obtain information from the users, and often * |
| * do something with that information (call other functions) * |
| * * |
| *********************************************************************/ |
| |
| // Prompts user for partition number and returns the result. Returns "0" |
| // (the first partition) if none are currently defined. |
| uint32_t GPTDataTextUI::GetPartNum(void) { |
| uint32_t partNum; |
| uint32_t low, high; |
| ostringstream prompt; |
| |
| if (GetPartRange(&low, &high) > 0) { |
| prompt << "Partition number (" << low + 1 << "-" << high + 1 << "): "; |
| partNum = GetNumber(low + 1, high + 1, low, prompt.str()); |
| } else partNum = 1; |
| return (partNum - 1); |
| } // GPTDataTextUI::GetPartNum() |
| |
| // What it says: Resize the partition table. (Default is 128 entries.) |
| void GPTDataTextUI::ResizePartitionTable(void) { |
| int newSize; |
| ostringstream prompt; |
| uint32_t curLow, curHigh; |
| |
| cout << "Current partition table size is " << numParts << ".\n"; |
| GetPartRange(&curLow, &curHigh); |
| curHigh++; // since GetPartRange() returns numbers starting from 0... |
| // There's no point in having fewer than four partitions.... |
| if (curHigh < (blockSize / GPT_SIZE)) |
| curHigh = blockSize / GPT_SIZE; |
| prompt << "Enter new size (" << curHigh << " up, default " << NUM_GPT_ENTRIES << "): "; |
| newSize = GetNumber(4, 65535, 128, prompt.str()); |
| if (newSize < 128) { |
| cout << "Caution: The partition table size should officially be 16KB or larger,\n" |
| << "which works out to 128 entries. In practice, smaller tables seem to\n" |
| << "work with most OSes, but this practice is risky. I'm proceeding with\n" |
| << "the resize, but you may want to reconsider this action and undo it.\n\n"; |
| } // if |
| SetGPTSize(newSize); |
| } // GPTDataTextUI::ResizePartitionTable() |
| |
| // Interactively create a partition |
| void GPTDataTextUI::CreatePartition(void) { |
| uint64_t firstBlock, firstInLargest, lastBlock, sector, origSector; |
| uint32_t firstFreePart = 0; |
| ostringstream prompt1, prompt2, prompt3; |
| int partNum; |
| |
| // Find first free partition... |
| while (partitions[firstFreePart].GetFirstLBA() != 0) { |
| firstFreePart++; |
| } // while |
| |
| if (((firstBlock = FindFirstAvailable()) != 0) && |
| (firstFreePart < numParts)) { |
| lastBlock = FindLastAvailable(); |
| firstInLargest = FindFirstInLargest(); |
| Align(&firstInLargest); |
| |
| // Get partition number.... |
| prompt1 << "Partition number (" << firstFreePart + 1 << "-" << numParts |
| << ", default " << firstFreePart + 1 << "): "; |
| do { |
| partNum = GetNumber(firstFreePart + 1, numParts, |
| firstFreePart + 1, prompt1.str()) - 1; |
| if (partitions[partNum].GetFirstLBA() != 0) |
| cout << "partition " << partNum + 1 << " is in use.\n"; |
| } while (partitions[partNum].GetFirstLBA() != 0); |
| |
| // Get first block for new partition... |
| prompt2 << "First sector (" << firstBlock << "-" << lastBlock << ", default = " |
| << firstInLargest << ") or {+-}size{KMGTP}: "; |
| do { |
| sector = GetSectorNum(firstBlock, lastBlock, firstInLargest, blockSize, prompt2.str()); |
| } while (IsFree(sector) == 0); |
| origSector = sector; |
| if (Align(§or)) { |
| cout << "Information: Moved requested sector from " << origSector << " to " |
| << sector << " in\norder to align on " << sectorAlignment |
| << "-sector boundaries.\n"; |
| if (!beQuiet) |
| cout << "Use 'l' on the experts' menu to adjust alignment\n"; |
| } // if |
| // Align(§or); // Align sector to correct multiple |
| firstBlock = sector; |
| |
| // Get last block for new partitions... |
| lastBlock = FindLastInFree(firstBlock); |
| prompt3 << "Last sector (" << firstBlock << "-" << lastBlock << ", default = " |
| << lastBlock << ") or {+-}size{KMGTP}: "; |
| do { |
| sector = GetSectorNum(firstBlock, lastBlock, lastBlock, blockSize, prompt3.str()); |
| } while (IsFree(sector) == 0); |
| lastBlock = sector; |
| |
| firstFreePart = GPTData::CreatePartition(partNum, firstBlock, lastBlock); |
| partitions[partNum].ChangeType(); |
| partitions[partNum].SetDefaultDescription(); |
| } else { |
| if (firstFreePart >= numParts) |
| cout << "No table partition entries left\n"; |
| else |
| cout << "No free sectors available\n"; |
| } // if/else |
| } // GPTDataTextUI::CreatePartition() |
| |
| // Interactively delete a partition (duh!) |
| void GPTDataTextUI::DeletePartition(void) { |
| int partNum; |
| uint32_t low, high; |
| ostringstream prompt; |
| |
| if (GetPartRange(&low, &high) > 0) { |
| prompt << "Partition number (" << low + 1 << "-" << high + 1 << "): "; |
| partNum = GetNumber(low + 1, high + 1, low, prompt.str()); |
| GPTData::DeletePartition(partNum - 1); |
| } else { |
| cout << "No partitions\n"; |
| } // if/else |
| } // GPTDataTextUI::DeletePartition() |
| |
| // Prompt user for a partition number, then change its type code |
| void GPTDataTextUI::ChangePartType(void) { |
| int partNum; |
| uint32_t low, high; |
| |
| if (GetPartRange(&low, &high) > 0) { |
| partNum = GetPartNum(); |
| partitions[partNum].ChangeType(); |
| } else { |
| cout << "No partitions\n"; |
| } // if/else |
| } // GPTDataTextUI::ChangePartType() |
| |
| // Prompt user for a partition number, then change its unique |
| // GUID. |
| void GPTDataTextUI::ChangeUniqueGuid(void) { |
| int partNum; |
| uint32_t low, high; |
| string guidStr; |
| |
| if (GetPartRange(&low, &high) > 0) { |
| partNum = GetPartNum(); |
| cout << "Enter the partition's new unique GUID ('R' to randomize): "; |
| guidStr = ReadString(); |
| if ((guidStr.length() >= 32) || (guidStr[0] == 'R') || (guidStr[0] == 'r')) { |
| SetPartitionGUID(partNum, (GUIDData) guidStr); |
| cout << "New GUID is " << partitions[partNum].GetUniqueGUID() << "\n"; |
| } else { |
| cout << "GUID is too short!\n"; |
| } // if/else |
| } else |
| cout << "No partitions\n"; |
| } // GPTDataTextUI::ChangeUniqueGuid() |
| |
| // Partition attributes seem to be rarely used, but I want a way to |
| // adjust them for completeness.... |
| void GPTDataTextUI::SetAttributes(uint32_t partNum) { |
| partitions[partNum].SetAttributes(); |
| } // GPTDataTextUI::SetAttributes() |
| |
| // Prompts the user for a partition name and sets the partition's |
| // name. Returns 1 on success, 0 on failure (invalid partition |
| // number). (Note that the function skips prompting when an |
| // invalid partition number is detected.) |
| int GPTDataTextUI::SetName(uint32_t partNum) { |
| UnicodeString theName = ""; |
| int retval = 1; |
| |
| if (IsUsedPartNum(partNum)) { |
| cout << "Enter name: "; |
| #ifdef USE_UTF16 |
| theName = ReadUString(); |
| #else |
| theName = ReadString(); |
| #endif |
| partitions[partNum].SetName(theName); |
| } else { |
| cerr << "Invalid partition number (" << partNum << ")\n"; |
| retval = 0; |
| } // if/else |
| |
| return retval; |
| } // GPTDataTextUI::SetName() |
| |
| // Ask user for two partition numbers and swap them in the table. Note that |
| // this just reorders table entries; it doesn't adjust partition layout on |
| // the disk. |
| // Returns 1 if successful, 0 if not. (If user enters identical numbers, it |
| // counts as successful.) |
| int GPTDataTextUI::SwapPartitions(void) { |
| int partNum1, partNum2, didIt = 0; |
| uint32_t low, high; |
| ostringstream prompt; |
| GPTPart temp; |
| |
| if (GetPartRange(&low, &high) > 0) { |
| partNum1 = GetPartNum(); |
| if (high >= numParts - 1) |
| high = 0; |
| prompt << "New partition number (1-" << numParts |
| << ", default " << high + 2 << "): "; |
| partNum2 = GetNumber(1, numParts, high + 2, prompt.str()) - 1; |
| didIt = GPTData::SwapPartitions(partNum1, partNum2); |
| } else { |
| cout << "No partitions\n"; |
| } // if/else |
| return didIt; |
| } // GPTDataTextUI::SwapPartitionNumbers() |
| |
| // This function destroys the on-disk GPT structures. Returns 1 if the user |
| // confirms destruction, 0 if the user aborts or if there's a disk error. |
| int GPTDataTextUI::DestroyGPTwPrompt(void) { |
| int allOK = 1; |
| |
| if ((apmFound) || (bsdFound)) { |
| cout << "WARNING: APM or BSD disklabel structures detected! This operation could\n" |
| << "damage any APM or BSD partitions on this disk!\n"; |
| } // if APM or BSD |
| cout << "\a\aAbout to wipe out GPT on " << device << ". Proceed? "; |
| if (GetYN() == 'Y') { |
| if (DestroyGPT()) { |
| // Note on below: Touch the MBR only if the user wants it completely |
| // blanked out. Version 0.4.2 deleted the 0xEE partition and re-wrote |
| // the MBR, but this could wipe out a valid MBR that the program |
| // had subsequently discarded (say, if it conflicted with older GPT |
| // structures). |
| cout << "Blank out MBR? "; |
| if (GetYN() == 'Y') { |
| DestroyMBR(); |
| } else { |
| cout << "MBR is unchanged. You may need to delete an EFI GPT (0xEE) partition\n" |
| << "with fdisk or another tool.\n"; |
| } // if/else |
| } else allOK = 0; // if GPT structures destroyed |
| } else allOK = 0; // if user confirms destruction |
| return (allOK); |
| } // GPTDataTextUI::DestroyGPTwPrompt() |
| |
| // Get partition number from user and then call ShowPartDetails(partNum) |
| // to show its detailed information |
| void GPTDataTextUI::ShowDetails(void) { |
| int partNum; |
| uint32_t low, high; |
| |
| if (GetPartRange(&low, &high) > 0) { |
| partNum = GetPartNum(); |
| ShowPartDetails(partNum); |
| } else { |
| cout << "No partitions\n"; |
| } // if/else |
| } // GPTDataTextUI::ShowDetails() |
| |
| // Create a hybrid MBR -- an ugly, funky thing that helps GPT work with |
| // OSes that don't understand GPT. |
| void GPTDataTextUI::MakeHybrid(void) { |
| uint32_t partNums[3] = {0, 0, 0}; |
| string line; |
| int numPartsToCvt = 0, numConverted = 0, i, j, mbrNum = 0; |
| unsigned int hexCode = 0; |
| MBRPart hybridPart; |
| MBRData hybridMBR; |
| char eeFirst = 'Y'; // Whether EFI GPT (0xEE) partition comes first in table |
| |
| cout << "\nWARNING! Hybrid MBRs are flaky and dangerous! If you decide not to use one,\n" |
| << "just hit the Enter key at the below prompt and your MBR partition table will\n" |
| << "be untouched.\n\n\a"; |
| |
| // Use a local MBR structure, copying from protectiveMBR to keep its |
| // boot loader code intact.... |
| hybridMBR = protectiveMBR; |
| hybridMBR.EmptyMBR(0); |
| |
| // Now get the numbers of up to three partitions to add to the |
| // hybrid MBR.... |
| cout << "Type from one to three GPT partition numbers, separated by spaces, to be\n" |
| << "added to the hybrid MBR, in sequence: "; |
| line = ReadString(); |
| istringstream inLine(line); |
| do { |
| inLine >> partNums[numPartsToCvt]; |
| if (partNums[numPartsToCvt] > 0) |
| numPartsToCvt++; |
| } while (!inLine.eof() && (numPartsToCvt < 3)); |
| |
| if (numPartsToCvt > 0) { |
| cout << "Place EFI GPT (0xEE) partition first in MBR (good for GRUB)? "; |
| eeFirst = GetYN(); |
| } // if |
| |
| for (i = 0; i < numPartsToCvt; i++) { |
| j = partNums[i] - 1; |
| if (partitions[j].IsUsed() && (partitions[j].IsSizedForMBR() != MBR_SIZED_BAD)) { |
| mbrNum = i + (eeFirst == 'Y'); |
| cout << "\nCreating entry for GPT partition #" << j + 1 |
| << " (MBR partition #" << mbrNum + 1 << ")\n"; |
| hybridPart.SetType(GetMBRTypeCode(partitions[j].GetHexType() / 256)); |
| hybridPart.SetLocation(partitions[j].GetFirstLBA(), partitions[j].GetLengthLBA()); |
| hybridPart.SetInclusion(PRIMARY); |
| cout << "Set the bootable flag? "; |
| if (GetYN() == 'Y') |
| hybridPart.SetStatus(0x80); |
| else |
| hybridPart.SetStatus(0x00); |
| hybridPart.SetInclusion(PRIMARY); |
| if (partitions[j].IsSizedForMBR() == MBR_SIZED_IFFY) |
| WarnAboutIffyMBRPart(j + 1); |
| numConverted++; |
| } else { |
| cerr << "\nGPT partition #" << j + 1 << " does not exist or is too big; skipping.\n"; |
| } // if/else |
| hybridMBR.AddPart(mbrNum, hybridPart); |
| } // for |
| |
| if (numConverted > 0) { // User opted to create a hybrid MBR.... |
| // Create EFI protective partition that covers the start of the disk. |
| // If this location (covering the main GPT data structures) is omitted, |
| // Linux won't find any partitions on the disk. |
| hybridPart.SetLocation(1, hybridMBR.FindLastInFree(1)); |
| hybridPart.SetStatus(0); |
| hybridPart.SetType(0xEE); |
| hybridPart.SetInclusion(PRIMARY); |
| // newNote firstLBA and lastLBA are computed later... |
| if (eeFirst == 'Y') { |
| hybridMBR.AddPart(0, hybridPart); |
| } else { |
| hybridMBR.AddPart(numConverted, hybridPart); |
| } // else |
| hybridMBR.SetHybrid(); |
| |
| // ... and for good measure, if there are any partition spaces left, |
| // optionally create another protective EFI partition to cover as much |
| // space as possible.... |
| if (hybridMBR.CountParts() < 4) { // unused entry.... |
| cout << "\nUnused partition space(s) found. Use one to protect more partitions? "; |
| if (GetYN() == 'Y') { |
| cout << "Note: Default is 0xEE, but this may confuse Mac OS X.\n"; |
| // Comment on above: Mac OS treats disks with more than one |
| // 0xEE MBR partition as MBR disks, not as GPT disks. |
| hexCode = GetMBRTypeCode(0xEE); |
| hybridMBR.MakeBiggestPart(3, hexCode); |
| } // if (GetYN() == 'Y') |
| } // if unused entry |
| protectiveMBR = hybridMBR; |
| } else { |
| cout << "\nNo partitions converted; original protective/hybrid MBR is unmodified!\n"; |
| } // if/else (numConverted > 0) |
| } // GPTDataTextUI::MakeHybrid() |
| |
| // Convert the GPT to MBR form, storing partitions in the protectiveMBR |
| // variable. This function is necessarily limited; it may not be able to |
| // convert all partitions, depending on the disk size and available space |
| // before each partition (one free sector is required to create a logical |
| // partition, which are necessary to convert more than four partitions). |
| // Returns the number of converted partitions; if this value |
| // is over 0, the calling function should call DestroyGPT() to destroy |
| // the GPT data, call SaveMBR() to save the MBR, and then exit. |
| int GPTDataTextUI::XFormToMBR(void) { |
| uint32_t i; |
| |
| protectiveMBR.EmptyMBR(0); |
| for (i = 0; i < numParts; i++) { |
| if (partitions[i].IsUsed()) { |
| if (partitions[i].IsSizedForMBR() == MBR_SIZED_IFFY) |
| WarnAboutIffyMBRPart(i + 1); |
| // Note: MakePart() checks for oversized partitions, so don't |
| // bother checking other IsSizedForMBR() return values.... |
| protectiveMBR.MakePart(i, partitions[i].GetFirstLBA(), |
| partitions[i].GetLengthLBA(), |
| partitions[i].GetHexType() / 0x0100, 0); |
| } // if |
| } // for |
| protectiveMBR.MakeItLegal(); |
| return protectiveMBR.DoMenu(); |
| } // GPTDataTextUI::XFormToMBR() |
| |
| /****************************************************** |
| * * |
| * Display informational messages for the user.... * |
| * * |
| ******************************************************/ |
| |
| // Although an MBR partition that begins below sector 2^32 and is less than 2^32 sectors in |
| // length is technically legal even if it ends above the 2^32-sector mark, such a partition |
| // tends to confuse a lot of OSes, so warn the user about such partitions. This function is |
| // called by XFormToMBR() and MakeHybrid(); it's a separate function just to consolidate the |
| // lengthy message in one place. |
| void GPTDataTextUI::WarnAboutIffyMBRPart(int partNum) { |
| cout << "\a\nWarning! GPT partition " << partNum << " ends after the 2^32 sector mark! The partition\n" |
| << "begins before this point, and is smaller than 2^32 sectors. This is technically\n" |
| << "legal, but will confuse some OSes. The partition IS being added to the MBR, but\n" |
| << "if your OS misbehaves or can't see the partition, the partition may simply be\n" |
| << "unusable in that OS and may need to be resized or omitted from the MBR.\n\n"; |
| } // GPTDataTextUI::WarnAboutIffyMBRPart() |
| |
| /********************************************************************* |
| * * |
| * The following functions provide the main menus for the gdisk * |
| * program.... * |
| * * |
| *********************************************************************/ |
| |
| // Accept a command and execute it. Returns only when the user |
| // wants to exit (such as after a 'w' or 'q' command). |
| void GPTDataTextUI::MainMenu(string filename) { |
| int goOn = 1; |
| PartType typeHelper; |
| uint32_t temp1, temp2; |
| |
| do { |
| cout << "\nCommand (? for help): "; |
| switch (ReadString()[0]) { |
| case '\0': |
| goOn = cin.good(); |
| break; |
| case 'b': case 'B': |
| cout << "Enter backup filename to save: "; |
| SaveGPTBackup(ReadString()); |
| break; |
| case 'c': case 'C': |
| if (GetPartRange(&temp1, &temp2) > 0) |
| SetName(GetPartNum()); |
| else |
| cout << "No partitions\n"; |
| break; |
| case 'd': case 'D': |
| DeletePartition(); |
| break; |
| case 'i': case 'I': |
| ShowDetails(); |
| break; |
| case 'l': case 'L': |
| typeHelper.ShowAllTypes(); |
| break; |
| case 'n': case 'N': |
| CreatePartition(); |
| break; |
| case 'o': case 'O': |
| cout << "This option deletes all partitions and creates a new protective MBR.\n" |
| << "Proceed? "; |
| if (GetYN() == 'Y') { |
| ClearGPTData(); |
| MakeProtectiveMBR(); |
| } // if |
| break; |
| case 'p': case 'P': |
| DisplayGPTData(); |
| break; |
| case 'q': case 'Q': |
| goOn = 0; |
| break; |
| case 'r': case 'R': |
| RecoveryMenu(filename); |
| goOn = 0; |
| break; |
| case 's': case 'S': |
| SortGPT(); |
| cout << "You may need to edit /etc/fstab and/or your boot loader configuration!\n"; |
| break; |
| case 't': case 'T': |
| ChangePartType(); |
| break; |
| case 'v': case 'V': |
| Verify(); |
| break; |
| case 'w': case 'W': |
| if (SaveGPTData() == 1) |
| goOn = 0; |
| break; |
| case 'x': case 'X': |
| ExpertsMenu(filename); |
| goOn = 0; |
| break; |
| default: |
| ShowCommands(); |
| break; |
| } // switch |
| } while (goOn); |
| } // GPTDataTextUI::MainMenu() |
| |
| void GPTDataTextUI::ShowCommands(void) { |
| cout << "b\tback up GPT data to a file\n"; |
| cout << "c\tchange a partition's name\n"; |
| cout << "d\tdelete a partition\n"; |
| cout << "i\tshow detailed information on a partition\n"; |
| cout << "l\tlist known partition types\n"; |
| cout << "n\tadd a new partition\n"; |
| cout << "o\tcreate a new empty GUID partition table (GPT)\n"; |
| cout << "p\tprint the partition table\n"; |
| cout << "q\tquit without saving changes\n"; |
| cout << "r\trecovery and transformation options (experts only)\n"; |
| cout << "s\tsort partitions\n"; |
| cout << "t\tchange a partition's type code\n"; |
| cout << "v\tverify disk\n"; |
| cout << "w\twrite table to disk and exit\n"; |
| cout << "x\textra functionality (experts only)\n"; |
| cout << "?\tprint this menu\n"; |
| } // GPTDataTextUI::ShowCommands() |
| |
| // Accept a recovery & transformation menu command. Returns only when the user |
| // issues an exit command, such as 'w' or 'q'. |
| void GPTDataTextUI::RecoveryMenu(string filename) { |
| uint32_t numParts; |
| int goOn = 1, temp1; |
| |
| do { |
| cout << "\nRecovery/transformation command (? for help): "; |
| switch (ReadString()[0]) { |
| case '\0': |
| goOn = cin.good(); |
| break; |
| case 'b': case 'B': |
| RebuildMainHeader(); |
| break; |
| case 'c': case 'C': |
| cout << "Warning! This will probably do weird things if you've converted an MBR to\n" |
| << "GPT form and haven't yet saved the GPT! Proceed? "; |
| if (GetYN() == 'Y') |
| LoadSecondTableAsMain(); |
| break; |
| case 'd': case 'D': |
| RebuildSecondHeader(); |
| break; |
| case 'e': case 'E': |
| cout << "Warning! This will probably do weird things if you've converted an MBR to\n" |
| << "GPT form and haven't yet saved the GPT! Proceed? "; |
| if (GetYN() == 'Y') |
| LoadMainTable(); |
| break; |
| case 'f': case 'F': |
| cout << "Warning! This will destroy the currently defined partitions! Proceed? "; |
| if (GetYN() == 'Y') { |
| if (LoadMBR(filename) == 1) { // successful load |
| XFormPartitions(); |
| } else { |
| cout << "Problem loading MBR! GPT is untouched; regenerating protective MBR!\n"; |
| MakeProtectiveMBR(); |
| } // if/else |
| } // if |
| break; |
| case 'g': case 'G': |
| numParts = GetNumParts(); |
| temp1 = XFormToMBR(); |
| if (temp1 > 0) |
| cout << "\nConverted " << temp1 << " partitions. Finalize and exit? "; |
| if ((temp1 > 0) && (GetYN() == 'Y')) { |
| if ((DestroyGPT() > 0) && (SaveMBR())) { |
| goOn = 0; |
| } // if |
| } else { |
| MakeProtectiveMBR(); |
| SetGPTSize(numParts, 0); |
| cout << "Note: New protective MBR created\n\n"; |
| } // if/else |
| break; |
| case 'h': case 'H': |
| MakeHybrid(); |
| break; |
| case 'i': case 'I': |
| ShowDetails(); |
| break; |
| case 'l': case 'L': |
| cout << "Enter backup filename to load: "; |
| LoadGPTBackup(ReadString()); |
| break; |
| case 'm': case 'M': |
| MainMenu(filename); |
| goOn = 0; |
| break; |
| case 'o': case 'O': |
| DisplayMBRData(); |
| break; |
| case 'p': case 'P': |
| DisplayGPTData(); |
| break; |
| case 'q': case 'Q': |
| goOn = 0; |
| break; |
| case 't': case 'T': |
| XFormDisklabel(); |
| break; |
| case 'v': case 'V': |
| Verify(); |
| break; |
| case 'w': case 'W': |
| if (SaveGPTData() == 1) { |
| goOn = 0; |
| } // if |
| break; |
| case 'x': case 'X': |
| ExpertsMenu(filename); |
| goOn = 0; |
| break; |
| default: |
| ShowRecoveryCommands(); |
| break; |
| } // switch |
| } while (goOn); |
| } // GPTDataTextUI::RecoveryMenu() |
| |
| void GPTDataTextUI::ShowRecoveryCommands(void) { |
| cout << "b\tuse backup GPT header (rebuilding main)\n"; |
| cout << "c\tload backup partition table from disk (rebuilding main)\n"; |
| cout << "d\tuse main GPT header (rebuilding backup)\n"; |
| cout << "e\tload main partition table from disk (rebuilding backup)\n"; |
| cout << "f\tload MBR and build fresh GPT from it\n"; |
| cout << "g\tconvert GPT into MBR and exit\n"; |
| cout << "h\tmake hybrid MBR\n"; |
| cout << "i\tshow detailed information on a partition\n"; |
| cout << "l\tload partition data from a backup file\n"; |
| cout << "m\treturn to main menu\n"; |
| cout << "o\tprint protective MBR data\n"; |
| cout << "p\tprint the partition table\n"; |
| cout << "q\tquit without saving changes\n"; |
| cout << "t\ttransform BSD disklabel partition\n"; |
| cout << "v\tverify disk\n"; |
| cout << "w\twrite table to disk and exit\n"; |
| cout << "x\textra functionality (experts only)\n"; |
| cout << "?\tprint this menu\n"; |
| } // GPTDataTextUI::ShowRecoveryCommands() |
| |
| // Accept an experts' menu command. Returns only after the user |
| // selects an exit command, such as 'w' or 'q'. |
| void GPTDataTextUI::ExpertsMenu(string filename) { |
| GPTData secondDevice; |
| uint32_t temp1, temp2; |
| int goOn = 1; |
| string guidStr, device; |
| GUIDData aGUID; |
| ostringstream prompt; |
| |
| do { |
| cout << "\nExpert command (? for help): "; |
| switch (ReadString()[0]) { |
| case '\0': |
| goOn = cin.good(); |
| break; |
| case 'a': case 'A': |
| if (GetPartRange(&temp1, &temp2) > 0) |
| SetAttributes(GetPartNum()); |
| else |
| cout << "No partitions\n"; |
| break; |
| case 'c': case 'C': |
| ChangeUniqueGuid(); |
| break; |
| case 'd': case 'D': |
| cout << "Partitions will begin on " << GetAlignment() |
| << "-sector boundaries.\n"; |
| break; |
| case 'e': case 'E': |
| cout << "Relocating backup data structures to the end of the disk\n"; |
| MoveSecondHeaderToEnd(); |
| break; |
| case 'f': case 'F': |
| RandomizeGUIDs(); |
| break; |
| case 'g': case 'G': |
| cout << "Enter the disk's unique GUID ('R' to randomize): "; |
| guidStr = ReadString(); |
| if ((guidStr.length() >= 32) || (guidStr[0] == 'R') || (guidStr[0] == 'r')) { |
| SetDiskGUID((GUIDData) guidStr); |
| cout << "The new disk GUID is " << GetDiskGUID() << "\n"; |
| } else { |
| cout << "GUID is too short!\n"; |
| } // if/else |
| break; |
| case 'h': case 'H': |
| RecomputeCHS(); |
| break; |
| case 'i': case 'I': |
| ShowDetails(); |
| break; |
| case 'l': case 'L': |
| prompt.seekp(0); |
| prompt << "Enter the sector alignment value (1-" << MAX_ALIGNMENT << ", default = " |
| << DEFAULT_ALIGNMENT << "): "; |
| temp1 = GetNumber(1, MAX_ALIGNMENT, DEFAULT_ALIGNMENT, prompt.str()); |
| SetAlignment(temp1); |
| break; |
| case 'm': case 'M': |
| MainMenu(filename); |
| goOn = 0; |
| break; |
| case 'n': case 'N': |
| MakeProtectiveMBR(); |
| break; |
| case 'o': case 'O': |
| DisplayMBRData(); |
| break; |
| case 'p': case 'P': |
| DisplayGPTData(); |
| break; |
| case 'q': case 'Q': |
| goOn = 0; |
| break; |
| case 'r': case 'R': |
| RecoveryMenu(filename); |
| goOn = 0; |
| break; |
| case 's': case 'S': |
| ResizePartitionTable(); |
| break; |
| case 't': case 'T': |
| SwapPartitions(); |
| break; |
| case 'u': case 'U': |
| cout << "Type device filename, or press <Enter> to exit: "; |
| device = ReadString(); |
| if (device.length() > 0) { |
| secondDevice = *this; |
| secondDevice.SetDisk(device); |
| secondDevice.SaveGPTData(0); |
| } // if |
| break; |
| case 'v': case 'V': |
| Verify(); |
| break; |
| case 'w': case 'W': |
| if (SaveGPTData() == 1) { |
| goOn = 0; |
| } // if |
| break; |
| case 'z': case 'Z': |
| if (DestroyGPTwPrompt() == 1) { |
| goOn = 0; |
| } |
| break; |
| default: |
| ShowExpertCommands(); |
| break; |
| } // switch |
| } while (goOn); |
| } // GPTDataTextUI::ExpertsMenu() |
| |
| void GPTDataTextUI::ShowExpertCommands(void) { |
| cout << "a\tset attributes\n"; |
| cout << "c\tchange partition GUID\n"; |
| cout << "d\tdisplay the sector alignment value\n"; |
| cout << "e\trelocate backup data structures to the end of the disk\n"; |
| cout << "g\tchange disk GUID\n"; |
| cout << "h\trecompute CHS values in protective/hybrid MBR\n"; |
| cout << "i\tshow detailed information on a partition\n"; |
| cout << "l\tset the sector alignment value\n"; |
| cout << "m\treturn to main menu\n"; |
| cout << "n\tcreate a new protective MBR\n"; |
| cout << "o\tprint protective MBR data\n"; |
| cout << "p\tprint the partition table\n"; |
| cout << "q\tquit without saving changes\n"; |
| cout << "r\trecovery and transformation options (experts only)\n"; |
| cout << "s\tresize partition table\n"; |
| cout << "t\ttranspose two partition table entries\n"; |
| cout << "u\treplicate partition table on new device\n"; |
| cout << "v\tverify disk\n"; |
| cout << "w\twrite table to disk and exit\n"; |
| cout << "z\tzap (destroy) GPT data structures and exit\n"; |
| cout << "?\tprint this menu\n"; |
| } // GPTDataTextUI::ShowExpertCommands() |
| |
| |
| |
| /******************************** |
| * * |
| * Non-class support functions. * |
| * * |
| ********************************/ |
| |
| // GetMBRTypeCode() doesn't really belong in the class, since it's MBR- |
| // specific, but it's also user I/O-related, so I want to keep it in |
| // this file.... |
| |
| // Get an MBR type code from the user and return it |
| int GetMBRTypeCode(int defType) { |
| string line; |
| int typeCode; |
| |
| cout.setf(ios::uppercase); |
| cout.fill('0'); |
| do { |
| cout << "Enter an MBR hex code (default " << hex; |
| cout.width(2); |
| cout << defType << "): " << dec; |
| line = ReadString(); |
| if (line[0] == '\0') |
| typeCode = defType; |
| else |
| typeCode = StrToHex(line, 0); |
| } while ((typeCode <= 0) || (typeCode > 255)); |
| cout.fill(' '); |
| return typeCode; |
| } // GetMBRTypeCode |
| |
| #ifdef USE_UTF16 |
| // Note: ReadUString() is here rather than in support.cc so that the ICU |
| // libraries need not be linked to fixparts. |
| |
| // Reads a Unicode string from stdin, returning it as an ICU-style string. |
| // Note that the returned string will NOT include the carriage return |
| // entered by the user. Relies on the ICU constructor from a string |
| // encoded in the current codepage to work. |
| UnicodeString ReadUString(void) { |
| return ReadString().c_str(); |
| } // ReadUString() |
| #endif |
| |
