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FormMain.OpenFile.cs
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FormMain.OpenFile.cs
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/*******************************************************************************
NbuExplorer - Nokia backup file parser, viewer and extractor
Copyright (C) 2010 Petr Vilem
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 3 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, see <http://www.gnu.org/licenses/>.
Project homepage: http://sourceforge.net/projects/nbuexplorer/
Author: Petr Vilem, [email protected]
*******************************************************************************/
using System;
using System.Collections.Generic;
using System.IO;
using System.Windows.Forms;
using ICSharpCode.SharpZipLib.Zip;
using NbuExplorer.cdbParsing;
namespace NbuExplorer
{
public partial class FormMain : Form
{
private bool analyzeRequest = false;
private bool dbShellRequest = false;
public void OpenFiles(bool bruteForceScan, bool clearOnStart, params string[] filenames)
{
try
{
if (clearOnStart)
{
PrepareForNewFileset();
}
foreach (string filename in filenames)
{
AddFile(filename, bruteForceScan);
}
}
catch (Exception exc)
{
MessageBox.Show(string.Format("Following error occured during parse:\r\n{0}\r\nPlease consider providing this backup to the author of application for analyzing and improving application.", exc.Message), this.appTitle, MessageBoxButtons.OK, MessageBoxIcon.Error);
}
finally
{
FinalizeFileset();
}
}
public void PrepareForNewFileset()
{
textBoxLog.Clear();
DataSetNbuExplorer.Init();
treeViewMsgFilter.Nodes[0].Nodes.Clear();
treeViewMsgFilter.Nodes[1].Nodes.Clear();
treeViewMsgFilter.Nodes[2].Nodes.Clear();
treeViewDirs.Nodes.Clear();
listViewFiles.Items.Clear();
listViewFiles_SelectedIndexChanged(this, EventArgs.Empty);
recountTotal();
statusLabelSelected.Text = "-";
this.analyzeRequest = false;
this.dbShellRequest = false;
this.menuStripMain.Enabled = false;
this.treeViewDirs.Enabled = false;
this.Cursor = Cursors.AppStarting;
}
public void FinalizeFileset()
{
addLine("");
recursiveRenameDuplicates(treeViewDirs.Nodes);
DataSetNbuExplorer.FinalizeMultiparts();
#region Prepare message filtering by numbers
treeViewMsgFilter.AfterCheck -= new TreeViewEventHandler(treeViewMsgFilter_AfterCheck);
buildFilterSubNodes(treeViewMsgFilter.Nodes[0], "I");
buildFilterSubNodes(treeViewMsgFilter.Nodes[1], "O");
buildFilterSubNodes(treeViewMsgFilter.Nodes[2], "U");
treeViewMsgFilter_AfterCheck(this, new TreeViewEventArgs(null));
#endregion
menuStripMain.Enabled = true;
treeViewDirs.Enabled = true;
saveParsingLogToolStripMenuItem.Enabled = (textBoxLog.Text.Trim().Length > 0);
exportAllToolStripMenuItem.Enabled = (treeViewDirs.Nodes.Count > 0);
exportToolStripMenuItem.Enabled = exportSelectedFolderToolStripMenuItem.Enabled = (treeViewDirs.SelectedNode != null);
recountTotal();
this.Cursor = Cursors.Default;
if (analyzeRequest)
{
MessageBox.Show("Unknown structure type found. Please consider providing this backup to the author of application for analyzing and improving application.", this.appTitle, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
if (dbShellRequest)
{
MessageBox.Show("Symbian contact database detected but dbshell was not found. If you are interested in contacts from this database see readme, section dbshell integration for instructions.", this.appTitle, MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
delegate string StringReadMethod(Stream s);
public void AddFile(string currentFileName, bool bruteForceScan)
{
StreamUtils.Counter = 0;
using (FileStream fs = File.OpenRead(currentFileName))
{
this.Text = Path.GetFileName(currentFileName) + " - " + appTitle;
addLine(Path.GetFileName(currentFileName));
addLine("");
string fileext = Path.GetExtension(currentFileName).ToLower();
#region nfb & nfc format
if (!bruteForceScan && (fileext == ".nfb" || fileext == ".nfc"))
{
int encoding = StreamUtils.ReadUInt32asInt(fs);
StringReadMethod read;
switch (encoding)
{
case 2:
read = StreamUtils.ReadString3;
break;
//case 3:
default:
read = StreamUtils.ReadString2;
break;
}
addLine("Phone model:\t" + read(fs));
addLine("Phone name:\t" + read(fs));
addLine("");
int count = StreamUtils.ReadUInt32asInt(fs);
addLine(string.Format("{0} items found", count));
addLine("");
string name;
try
{
FileInfo fiPhonebook = null;
FileInfo fiMessages = null;
for (int i = 0; i < count; i++)
{
uint type = StreamUtils.ReadUInt32(fs);
switch (type)
{
case 2: // folder
name = read(fs);
addLine(string.Format("Folder '{0}' found", name));
break;
case 1: // file
name = read(fs).TrimStart('\\');
UInt32 len = StreamUtils.ReadUInt32(fs);
if (name.EndsWith("FolderIndex"))
{
fs.Seek(len + 4, SeekOrigin.Current);
}
else if (name.EndsWith("InfoIndex"))
{
long indexEndAddr = fs.Position + len + 4;
fs.Seek(5, SeekOrigin.Current);
StreamReader sr = new StreamReader(fs, System.Text.Encoding.Unicode, false, 32);
List<string> fileNames = new List<string>();
string homeDir = Path.GetDirectoryName(name);
List<FileInfo> list = findOrCreateFileInfoList(homeDir);
for (int j = list.Count - 1; j > -1; j--)
{
try
{
int index = int.Parse(list[j].Filename);
while (index > fileNames.Count - 1 && !sr.EndOfStream)
{
fileNames.Add(sr.ReadLine().Replace("\\v", "\\"));
while (!string.IsNullOrEmpty(sr.ReadLine())) ; // move to next filename
}
List<FileInfo> l2 = findOrCreateFileInfoList(homeDir + "\\" + Path.GetDirectoryName(fileNames[index]));
l2.Add(new FileInfo(currentFileName, Path.GetFileName(fileNames[index]), list[j].Start, list[j].FileSize));
list.RemoveAt(j);
addLine(fileNames[index]);
}
catch { }
}
fs.Seek(indexEndAddr, SeekOrigin.Begin);
}
else
{
if (name.StartsWith("MPAPI")) name += ".csv";
if (name.IndexOf('\\') == -1) name = "root\\" + name + ".csv";
List<FileInfo> list = findOrCreateFileInfoList(Path.GetDirectoryName(name));
var fi = new FileInfo(currentFileName, Path.GetFileName(name), fs.Position, len);
list.Add(fi);
fs.Seek(len + 4, SeekOrigin.Current);
if (name.EndsWith("\\PHONEBOOK.csv", StringComparison.InvariantCultureIgnoreCase))
{
fiPhonebook = fi;
}
else if (name.EndsWith("\\MESSAGES.csv", StringComparison.InvariantCultureIgnoreCase))
{
fiMessages = fi;
}
}
StreamUtils.Counter += len;
break;
default:
throw new ApplicationException(string.Format("Unknown item type {0}", type));
}
}
if (fiPhonebook != null)
parseNfbNfcPhonebook(fiPhonebook);
if (fiMessages != null)
parseNfbNfcMessages(fiMessages);
}
catch (Exception exc)
{
analyzeRequest = true;
addLine(exc.Message);
}
if (fs.Length - fs.Position > 4) addLine("End of file not reached");
}
#endregion
#region nbu format
else if (!bruteForceScan && fileext == ".nbu")
{
fs.Seek(0x14, SeekOrigin.Begin);
fs.Seek(StreamUtils.ReadUInt64asLong(fs), SeekOrigin.Begin);
fs.Seek(0x14, SeekOrigin.Current);
addLine("Backup time:\t" + StreamUtils.ReadNokiaDateTime(fs).ToString()); // datetime
addLine("Phone IMEI:\t" + StreamUtils.ReadString(fs));
addLine("Phone model:\t" + StreamUtils.ReadString(fs));
addLine("Phone name:\t" + StreamUtils.ReadString(fs));
addLine("Phone firmware:\t" + StreamUtils.ReadString(fs));
addLine("Phone language:\t" + StreamUtils.ReadString(fs));
fs.Seek(0x14, SeekOrigin.Current); // ?
int partcount = StreamUtils.ReadUInt32asInt(fs);
long partPos, partStartAddr;//, partLength;
int count;
List<FileInfo> contactList = new List<FileInfo>();
while (partcount > 0)
{
byte[] partGuid = new byte[16];
fs.Read(partGuid, 0, partGuid.Length);
partStartAddr = StreamUtils.ReadUInt64asLong(fs);
fs.Seek(8, SeekOrigin.Current);
//partLength = StreamUtils.ReadUInt64asLong(fs);
addLine("");
addLine("BEGIN " + numToAddr(partStartAddr));
Section sect;
try
{
sect = NokiaConstants.FindSectById(partGuid);
}
catch (ApplicationException)
{
addLine("Unknown section type - BREAK !!!");
addLine("TOC addr: " + numToAddr(fs.Position - 32));
if (MessageBox.Show("Unknown structure type found, process cannot continue. Please consider providing this backup to the author of application for analyzing and improving application.\r\n\r\nIf you need to get your contacts, messages and calendar items, you can try brute force scan mode. Would you like to do it now?", this.appTitle, MessageBoxButtons.YesNo, MessageBoxIcon.Question) == DialogResult.Yes)
{
AddFile(currentFileName, true);
return;
}
break;
}
#if DEBUG
System.Diagnostics.Debug.WriteLine(sect.name + " " + sect.name2);
#endif
if (string.IsNullOrEmpty(sect.name2))
{
addLine(sect.name);
}
else
{
addLine(string.Format("{0} - {1}", sect.name, sect.name2));
}
addLine("=================");
List<FileInfo> partFiles;
string foldername, filename;
int count2;
switch (sect.type)
{
#region filesystem
case ProcessType.FileSystem:
count = StreamUtils.ReadUInt32asInt(fs);
addLine(count.ToString() + " files found");
fs.Seek(0x14, SeekOrigin.Current); // ?
long dirStartAddr = StreamUtils.ReadUInt64asLong(fs);
long fileStartAddr = partStartAddr + 0x30;
partPos = fs.Position; // zapamatovani pro dalsi process
fs.Seek(dirStartAddr + 20, SeekOrigin.Begin);
for (int i = 0; i < count; i++)
{
foldername = StreamUtils.ReadString(fs).TrimStart('\\');
filename = StreamUtils.ReadString(fs);
fs.Seek(4, SeekOrigin.Current); // ???
long fileSize = StreamUtils.ReadUInt32(fs);
DateTime fileTime = StreamUtils.ReadNokiaDateTime(fs);
addLine(foldername + filename + " - " + fileSize + " Bytes, " + fileTime.ToString());
fs.Seek(12, SeekOrigin.Current); // ???
partFiles = findOrCreateFileInfoList(sect.name + "/" + foldername);
partFiles.Add(new FileInfo(currentFileName, filename, fileStartAddr, fileSize, fileTime));
fileStartAddr += fileSize;
StreamUtils.Counter += fileSize;
}
fs.Seek(partPos, SeekOrigin.Begin);
break;
#endregion
#region vcards
case ProcessType.Vcards:
count = StreamUtils.ReadUInt32asInt(fs); // files
count2 = StreamUtils.ReadUInt32asInt(fs); // folders
if (count2 > 0)
{
addLine(count2.ToString() + " folders found");
for (int i = 0; i < count2; i++)
{
fs.Seek(4, SeekOrigin.Current); //folder id
long folderAddr = StreamUtils.ReadUInt64asLong(fs);
partPos = fs.Position;
try
{
fs.Seek(folderAddr + 4, SeekOrigin.Begin);
foldername = StreamUtils.ReadString(fs);
addLine(string.Format("\r\nFolder BEGIN {0}, name: '{1}'", numToAddr(folderAddr), foldername));
parseFolderVcard(currentFileName, fs, contactList, sect.name, sect.name + "\\" + foldername);
}
catch (Exception exc)
{
addLine(exc.Message);
analyzeRequest = true;
}
fs.Seek(partPos, SeekOrigin.Begin);
}
}
else
{
partPos = fs.Position;
try
{
fs.Seek(partStartAddr + 0x2C, SeekOrigin.Begin);
parseFolderVcard(currentFileName, fs, contactList, sect.name, sect.name);
}
catch (Exception exc)
{
addLine(exc.Message);
analyzeRequest = true;
}
fs.Seek(partPos, SeekOrigin.Begin);
}
break;
#endregion
#region memos
case ProcessType.Memos:
count = StreamUtils.ReadUInt32asInt(fs);
addLine(count.ToString() + " memos found");
partPos = fs.Position + 4;
fs.Seek(partStartAddr + 0x30, SeekOrigin.Begin);
partFiles = findOrCreateFileInfoList(sect.name);
for (int i = 0; i < count; i++)
{
fs.Seek(4, SeekOrigin.Current);
int len = StreamUtils.ReadUInt16(fs) * 2;
partFiles.Add(new FileInfo(currentFileName, string.Format("{0}.txt", numToName(i + 1)), fs.Position, len));
fs.Seek(len, SeekOrigin.Current);
StreamUtils.Counter += len;
}
fs.Seek(partPos, SeekOrigin.Begin);
break;
#endregion
#region groups
case ProcessType.Groups:
count2 = StreamUtils.ReadUInt32asInt(fs);
count = StreamUtils.ReadUInt32asInt(fs);
addLine(string.Format("{0} groups found.", count));
for (int i = 0; i < count; i++)
{
fs.Seek(4, SeekOrigin.Current);
long start = StreamUtils.ReadUInt64asLong(fs);
addLine("Folder BEGIN " + numToAddr(start));
partPos = fs.Position;
fs.Seek(start + 4, SeekOrigin.Begin);
foldername = StreamUtils.ReadString(fs);
count2 = StreamUtils.ReadUInt32asInt(fs);
addLine(string.Format("{0} - {1} contacts", foldername, count2));
partFiles = findOrCreateFileInfoList(sect.name + "\\" + foldername);
if (contactList != null)
{
for (int j = 0; j < count2; j++)
{
int ix = StreamUtils.ReadUInt32asInt(fs);
if (contactList.Count >= ix) partFiles.Add(contactList[ix - 1]);
else addLine("Invalid index: " + ix);
}
}
fs.Seek(partPos, SeekOrigin.Begin);
}
break;
#endregion
#region folders
case ProcessType.GeneralFolders:
count2 = StreamUtils.ReadUInt32asInt(fs);
count = StreamUtils.ReadUInt32asInt(fs);
partPos = fs.Position;
string zipTest = null;
long tmpCnt = StreamUtils.Counter;
try
{
fs.Seek(partStartAddr + 73, SeekOrigin.Begin);
zipTest = StreamUtils.ReadString(fs);
}
catch { }
StreamUtils.Counter = tmpCnt;
if (zipTest == "application/vnd.nokia-backup")
{
long zipOffset = fs.Position;
ZipInputStream zi = new ZipInputStream(fs);
zi.IsStreamOwner = false;
parseFolderZip(currentFileName, zi, zipOffset, sect.name);
fs.Seek(partPos, SeekOrigin.Begin);
}
else if (sect.name2 == "Messages" && count == 0)
{
fs.Seek(partStartAddr, SeekOrigin.Begin);
parseBinaryMessages(currentFileName, fs);
fs.Seek(partPos, SeekOrigin.Begin);
}
else
{
fs.Seek(partPos, SeekOrigin.Begin);
addLine(string.Format("{0} folders found", count));
for (int i = 0; i < count; i++)
{
fs.Seek(4, SeekOrigin.Current);
long start = StreamUtils.ReadUInt64asLong(fs);
addLine("");
addLine("Folder BEGIN " + numToAddr(start));
partPos = fs.Position;
try
{
parseFolder(currentFileName, fs, start, sect.name);
}
catch (Exception ex)
{
addLine(ex.Message);
analyzeRequest = true;
}
fs.Seek(partPos, SeekOrigin.Begin);
}
}
break;
#endregion
case ProcessType.Sbackup:
goto case ProcessType.GeneralFolders;
}
partcount--;
}
}
#endregion
#region arc
else if (!bruteForceScan && fileext == ".arc")
{
UInt32 test0 = StreamUtils.ReadUInt32(fs);
if (test0 == 0x101F4667)
{
List<FileInfo> compFr = findOrCreateFileInfoList("compressed fragments");
fs.Seek(0x1C, SeekOrigin.Begin);
UInt32 test1 = StreamUtils.ReadUInt32(fs);
fs.Seek(4, SeekOrigin.Current);
UInt32 test2 = StreamUtils.ReadUInt32(fs);
bool startsWithFiles =
(test1 == 0 && test2 == 0) || // Backup.arc
(test1 == 0x1ea367a4 && test2 == 0xb00d58ae) || // UserFiles.arc
(test1 == 0x53fb0d19 && test2 == 0xef7ac531); // Settings.arc
fs.Seek(0x3C, SeekOrigin.Begin);
addLine("Phone model: " + StreamUtils.ReadShortString(fs));
addLine("");
long startAddr = fs.Position;
long lenComp;
long lenUncomp;
byte[] seq = new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 };
byte[] buff = new byte[8];
if (startsWithFiles && StreamUtils.SeekTo(seq, fs))
{
string filename = "";
string dir = "";
long recoveryAddr;
do
{
recoveryAddr = fs.Position;
fs.Seek(12, SeekOrigin.Current);
filename = StreamUtils.ReadStringTo(fs, 0, 0x80);
fs.Seek(11, SeekOrigin.Current);
lenUncomp = StreamUtils.ReadUInt32(fs);
fs.Seek(12, SeekOrigin.Current);
lenComp = StreamUtils.ReadUInt64asLong(fs);
addLine(filename + " - size: " + lenComp + " / " + lenUncomp);
try
{
dir = Path.GetDirectoryName(filename);
filename = Path.GetFileName(filename);
}
catch (Exception exc)
{
addLine(exc.Message);
analyzeRequest = true;
fs.Seek(recoveryAddr, SeekOrigin.Begin);
if (StreamUtils.SeekTo(NokiaConstants.compHead, fs))
{
fs.Seek(-22, SeekOrigin.Current);
}
break;
}
List<FileInfo> list = findOrCreateFileInfoList(dir);
if (filename.Length > 0 && lenComp > 8)
{
list.Add(new FileinfoCf(currentFileName, filename, startAddr, lenComp, lenUncomp, DateTime.MinValue));
}
StreamUtils.Counter += lenComp;
startAddr += lenComp;
fs.Seek(1, SeekOrigin.Current);
fs.Read(buff, 0, buff.Length);
}
while (NokiaConstants.CompareByteArr(seq, buff));
addLine(""); // end of first section
}
seq[3] = 0;
long lastRecoveryPosition = 0;
while (true)
{
fs.Read(buff, 0, buff.Length);
if (NokiaConstants.CompareByteArr(seq, buff))
{
fs.Seek(4, SeekOrigin.Current);
do
{
lenComp = StreamUtils.ReadUInt32(fs);
lenUncomp = StreamUtils.ReadUInt32(fs);
FileinfoCf fi = new FileinfoCf(currentFileName, numToAddr(fs.Position), fs.Position, lenComp, lenUncomp, DateTime.MinValue);
compFr.Add(fi);
addLine(fi.Filename + " - compressed fragment");
parseCompressedFragment("", fi, lenUncomp);
fs.Seek(lenComp, SeekOrigin.Current);
}
while (lenUncomp == 65536);
}
else
{
if (StreamUtils.SeekTo(NokiaConstants.compHead, fs))
{
if (lastRecoveryPosition != fs.Position)
{
lastRecoveryPosition = fs.Position;
fs.Seek(-22, SeekOrigin.Current);
}
}
else break;
}
}
}
else
{
byte[] pathStartSequence = new byte[] { 0x00, 0x5c, 0x00, 0x53, 0x00 };
if (StreamUtils.SeekTo(pathStartSequence, fs))
{
fs.Seek(-9, SeekOrigin.Current);
while (true)
{
try
{
int len = fs.ReadByte() / 2;
string filename = StreamUtils.ReadString(fs, len);
string dir = Path.GetDirectoryName(filename);
fs.Seek(10, SeekOrigin.Current); // ?? datetime?
UInt32 lenUncomp = StreamUtils.ReadUInt32(fs);
UInt32 lenComp = StreamUtils.ReadUInt32(fs);
StreamUtils.Counter += lenComp;
addLine(filename + " - size: " + lenComp + " / " + lenUncomp);
filename = Path.GetFileName(filename);
FileinfoCf fic = new FileinfoCf(currentFileName, filename, fs.Position, lenComp, lenUncomp, DateTime.MinValue);
addSymbianFile("", dir, fic);
fs.Seek(lenComp, SeekOrigin.Current);
}
catch
{
if (StreamUtils.SeekTo(pathStartSequence, fs))
{
fs.Seek(-9, SeekOrigin.Current);
}
else
{
break;
}
}
}
}
}
foreach (TreeNode tn in treeViewDirs.Nodes)
{
tn.Expand();
}
}
#endregion
#region nbf & zip
else if (!bruteForceScan && (fileext == ".nbf" || fileext == ".zip"))
{
ZipInputStream zi = new ZipInputStream(fs);
zi.IsStreamOwner = false;
parseFolderZip(currentFileName, zi, 0, "");
}
#endregion
#region mms
else if (!bruteForceScan && (fileext == ".mms"))
{
Mms m = new Mms(currentFileName, fs, fs.Length);
addLine(m.ParseLog);
var list = findOrCreateFileInfoList(m.Subject);
list.AddRange(m.Files);
StreamUtils.Counter = fs.Position;
}
#endregion
#region cdb
else if (!bruteForceScan && (fileext == ".cdb"))
{
addLine("Parsing contacts from " + currentFileName + ":\r\n");
if (DbShell.Ready)
{
try
{
DbShell.PrepareWorkDir();
var tables = DbShell.DumpTables(currentFileName, "identitytable", "phone", "emailtable", "contacts");
var phonebook = CdbContactParser.ParseTableDumps(tables);
string dir = Path.GetFileNameWithoutExtension(currentFileName);
if (phonebook.Count > 0)
{
var node = findOrCreateFileInfoList(dir);
foreach (KeyValuePair<string, Contact> pair in phonebook)
{
FileInfoMemory vcf = new FileInfoMemory(currentFileName, pair.Value.DisplayName + ".vcf",
System.Text.Encoding.UTF8.GetBytes(pair.Value.ToVcard()),
pair.Value.RevDate);
node.Add(vcf);
}
}
addLine(string.Format("{0} contacts found\r\n", phonebook.Count));
StreamUtils.Counter = fs.Length;
}
catch (Exception exc)
{
addLine(string.Format("Error parsing contacts from cdb file: {0}", exc.Message));
}
}
else
{
dbShellRequest = true;
}
}
#endregion
#region bruteforce
else
{
Pattern.ResetAll();
addLine("Bruteforce scanning...");
addLine("");
List<FileInfo> files;
string filename;
int current;
int pr = 0;
int pr2 = 0;
while ((current = fs.ReadByte()) > -1)
{
if (fs.Position % 2048 == 0)
{
pr = (int)(50 * fs.Position / fs.Length);
if (pr != pr2)
{
addLine(string.Format("{0:00}%", pr * 2));
pr2 = pr;
}
Application.DoEvents();
}
#region jpeg
if (jPGToolStripMenuItem.Checked && Pattern.Jpeg.Step((byte)current, fs.Position))
{
current = fs.ReadByte();
if (current != 0xFF) // not jpeg
continue;
current = fs.ReadByte(); // 0xE0 or 0xE1 expected
int len = StreamUtils.ReadUInt16BigEndian(fs);
string type = StreamUtils.ReadShortString(fs, 4);
if (type != "JFIF" && type != "Exif")
{
// probably not jpeg - rewind back
fs.Seek(Pattern.Jpeg.StartIndex + 1, SeekOrigin.Begin);
continue;
}
fs.Seek(len - 6, SeekOrigin.Current);
bool done = false;
while (!done)
{
current = fs.ReadByte();
if (current != 0xff)
{
// not jpeg - rewind back
fs.Seek(Pattern.Jpeg.StartIndex + 1, SeekOrigin.Begin);
break;
}
current = fs.ReadByte();
if (current == 0xD8) // unexpected start of another image
{
fs.Seek(-2, SeekOrigin.Current);
break;
}
switch (current)
{
case 0xD9: // end marker
files = findOrCreateFileInfoList("Images");
filename = numToAddr(Pattern.Jpeg.StartIndex) + ".jpg";
var file = new FileInfo(currentFileName, filename, Pattern.Jpeg.StartIndex, fs.Position - Pattern.Jpeg.StartIndex);
files.Add(file);
addLine(numToProgressAndAddr(Pattern.Jpeg.StartIndex, fs.Length) + "\timage: " + filename);
StreamUtils.Counter += file.FileSize;
done = true;
break;
case 0xDA: // we are in data area, it should be safe to seek to end marker
StreamUtils.SeekTo(Pattern.JpegEndSeq, fs);
goto case 0xD9;
default: // area to skip
len = StreamUtils.ReadUInt16BigEndian(fs);
fs.Seek(len - 2, SeekOrigin.Current);
break;
}
}
continue;
}
#endregion
#region media
if (mP4ToolStripMenuItem.Checked && Pattern.Media.Step((byte)current, fs.Position))
{
long start = Pattern.Media.StartIndex - 4;
fs.Seek(start, SeekOrigin.Begin);
int len = StreamUtils.ReadInt32BigEndian(fs);
fs.Seek(4, SeekOrigin.Current);
var ftyp = StreamUtils.ReadShortString(fs, 4);
switch (ftyp)
{
case "mp42":
ftyp = "mp4";
break;
case "3gp4":
case "3gp5":
ftyp = "3gp";
break;
default:
ftyp = null;
break;
}
if (!string.IsNullOrEmpty(ftyp))
{
fs.Seek(len - 12, SeekOrigin.Current);
bool done = false;
while (!done && fs.Position < fs.Length)
{
len = StreamUtils.ReadInt32BigEndian(fs);
string type = StreamUtils.ReadShortString(fs, 4);
switch (type)
{
case "free":
case "mdat":
case "moov":
case "uuid":
fs.Seek(len - 8, SeekOrigin.Current);
break;
case "ftyp": // start of another file
default:
fs.Seek(-8, SeekOrigin.Current);
done = true;
break;
}
}
files = findOrCreateFileInfoList("Multimedia");
filename = numToAddr(start) + "." + ftyp;
var file = new FileInfo(currentFileName, filename, start, fs.Position - start);
files.Add(file);
addLine(numToProgressAndAddr(start, fs.Length) + "\tmultimedia: " + filename);
StreamUtils.Counter += file.FileSize;
}
continue;
}
#endregion
#region pkzip
if (zIPArchivesToolStripMenuItem.Checked && Pattern.PkZip.Step((byte)current, fs.Position))
{
fs.Seek(4, SeekOrigin.Current);
int test1 = StreamUtils.ReadUInt16(fs);
int test2 = StreamUtils.ReadUInt16(fs);
if (test1 != test2) // multipart or invalid archive
{
continue;
}
fs.Seek(8, SeekOrigin.Current);
int commentLength = StreamUtils.ReadUInt16(fs);
files = findOrCreateFileInfoList("ZIP archives");
filename = numToAddr(Pattern.PkZip.StartIndex) + ".zip";
var file = new FileInfo(currentFileName, filename, Pattern.PkZip.StartIndex, fs.Position + commentLength - Pattern.PkZip.StartIndex);
files.Add(file);
addLine(numToProgressAndAddr(Pattern.PkZip.StartIndex, fs.Length) + "\tarchive: " + filename);
StreamUtils.Counter += file.FileSize;
}
#endregion
#region vcards
if (vCardsToolStripMenuItem.Checked)
{
if (Pattern.Msg.Step((byte)current, fs.Position))
{
Vcard msg = new Vcard(Pattern.Msg.GetCaptureAsString(fs));
string box = msg["X-MESSAGE-TYPE"];
if (box.Length == 0) box = msg["X-IRMC-BOX"];
files = findOrCreateFileInfoList(NokiaConstants.ptMessages + "\\" + box);
filename = numToName(files.Count + 1);
try
{
filename = msg.PhoneNumbers[0];
filename = DataSetNbuExplorer.FindPhoneBookEntry(filename).name;
}
catch { }
files.Add(new FileInfo(currentFileName, filename + ".vmg", Pattern.Msg.StartIndex, Pattern.Msg.Length, msg.MessageTime));
StreamUtils.Counter += Pattern.Msg.Length;
addLine(numToProgressAndAddr(Pattern.Msg.StartIndex, fs.Length) + "\tmessage: " + filename);
DataSetNbuExplorer.AddMessageFromVmg(msg);
}
if (Pattern.Msg.Active) continue;
if (Pattern.Contact.Step((byte)current, fs.Position))
{
Vcard contact = new Vcard(Pattern.Contact.GetCaptureAsString(fs));
string name = contact.Name;
DateTime time = contact.GetDateTime("REV");
foreach (string number in contact.PhoneNumbers)
{
DataSetNbuExplorer.AddPhonebookEntry(number, name);
}
files = findOrCreateFileInfoList(NokiaConstants.ptContacts);
filename = name;
if (filename.Length == 0) filename = numToName(files.Count + 1);
files.Add(new FileInfo(currentFileName, filename + ".vcf", Pattern.Contact.StartIndex, Pattern.Contact.Length, time));
if (contact.Photo != null)
{
files.Add(new FileInfoMemory(currentFileName, filename + "." + contact.PhotoExtension, contact.Photo, time));
}
StreamUtils.Counter += Pattern.Contact.Length;
addLine(numToProgressAndAddr(Pattern.Contact.StartIndex, fs.Length) + "\tcontact: " + filename);
}
if (Pattern.Contact.Active) continue;
if (Pattern.Calendar.Step((byte)current, fs.Position))
{
Vcard calendar = new Vcard(Pattern.Calendar.GetCaptureAsString(fs));
files = findOrCreateFileInfoList("Calendar\\" + calendar["X-EPOCAGENDAENTRYTYPE"]);
filename = calendar["SUMMARY"];
if (filename.Length == 0) filename = numToName(files.Count + 1);
files.Add(new FileInfo(currentFileName, filename + ".vcs", Pattern.Calendar.StartIndex, Pattern.Calendar.Length, calendar.GetDateTime("DTSTART")));
StreamUtils.Counter += Pattern.Calendar.Length;
addLine(numToProgressAndAddr(Pattern.Calendar.StartIndex, fs.Length) + "\tcalendar: " + filename);
}
if (Pattern.Calendar.Active) continue;