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Add decoding RT_STRING resources from NE (Windows and OS/2), and appropriate GUI.

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This commit is contained in:
Natalia Portillo
2018-03-03 06:01:35 +00:00
parent 691f9e3a8a
commit 18464bacff
6 changed files with 193 additions and 17 deletions
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8
exeinfogui/NE/PanelNeStrings.xeto Normal file
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@@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<Panel xmlns="http://schema.picoe.ca/eto.forms" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
<StackLayout Orientation="Vertical">
<StackLayoutItem HorizontalAlignment="Stretch" VerticalAlignment="Stretch" Expand="True">
<GridView ID="treeStrings" ShowHeader="False"/>
</StackLayoutItem>
</StackLayout>
</Panel>

54
exeinfogui/NE/PanelNeStrings.xeto.cs Normal file
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@@ -0,0 +1,54 @@
//
// PanelNeStrings.xeto.cs
//
// Author:
// Natalia Portillo <claunia@claunia.com>
//
// Copyright (c) 2017 Copyright © Claunia.com
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using Eto.Forms;
using Eto.Serialization.Xaml;
namespace exeinfogui.NE
{
public class PanelNeStrings : Panel
{
GridView treeStrings;
public PanelNeStrings()
{
XamlReader.Load(this);
treeStrings.Columns.Add(new GridColumn
{
DataCell = new TextBoxCell {Binding = Binding.Property<string, string>(r => r)},
HeaderText = "String"
});
}
public void Update(byte[] data, libexeinfo.NE.TargetOS targetOs)
{
treeStrings.DataStore = targetOs == libexeinfo.NE.TargetOS.OS2
? libexeinfo.NE.GetOs2Strings(data)
: libexeinfo.NE.GetWindowsStrings(data);
}
}
}

6
exeinfogui/NE/TabNeResources.xeto.cs
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@@ -39,6 +39,7 @@ namespace exeinfogui.NE
TreeGridItemCollection treeData;
TreeGridView treeResources;
PanelWin16Version panelWin16Version;
PanelNeStrings panelNeStrings;
public TabNeResources()
{
@@ -52,6 +53,7 @@ namespace exeinfogui.NE
treeResources.SelectionChanged += TreeResourcesOnSelectionChanged;
panelWin16Version = new PanelWin16Version();
panelNeStrings = new PanelNeStrings();
}
public void Update(IEnumerable<libexeinfo.NE.ResourceType> resourceTypes, libexeinfo.NE.TargetOS os)
@@ -98,6 +100,10 @@ namespace exeinfogui.NE
pnlResource.Content = panelWin16Version;
panelWin16Version.Update(data);
break;
case "RT_STRING":
pnlResource.Content = panelNeStrings;
panelNeStrings.Update(data, (libexeinfo.NE.TargetOS)((TreeGridItem)treeResources.SelectedItem).Values[4]);
break;
default:
pnlResource.Content = null;
break;

96
libexeinfo/NE/GetStrings.cs Normal file
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@@ -0,0 +1,96 @@
//
// GetStrings.cs
//
// Author:
// Natalia Portillo <claunia@claunia.com>
//
// Copyright (c) 2017 Copyright © Claunia.com
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Collections.Generic;
using System.Text;
namespace libexeinfo
{
public partial class NE
{
public static IEnumerable<string> GetWindowsStrings(ResourceType resource)
{
List<string> strings = new List<string>();
foreach(Resource r in resource.resources) strings.AddRange(GetWindowsStrings(r.data));
return strings;
}
public static IEnumerable<string> GetWindowsStrings(byte[] data)
{
List<string> strings = new List<string>();
int pos = 0;
while(pos < data.Length)
{
byte len = data[pos++];
if(len == 0) break;
byte[] buffer = new byte[len];
Array.Copy(data, pos, buffer, 0, len);
string str = Encoding.Default.GetString(buffer);
if(!string.IsNullOrWhiteSpace(str)) strings.Add(str);
pos += len;
}
return strings;
}
public static IEnumerable<string> GetOs2Strings(ResourceType resource)
{
List<string> strings = new List<string>();
foreach(Resource r in resource.resources) strings.AddRange(GetOs2Strings(r.data));
return strings;
}
public static IEnumerable<string> GetOs2Strings(byte[] data)
{
List<string> strings = new List<string>();
// Skip resource header
int pos = 2;
while(pos < data.Length)
{
byte len = data[pos++];
if(len == 0) break;
byte[] buffer = new byte[len];
Array.Copy(data, pos, buffer, 0, len);
string str = StringHandlers.CToString(buffer, Encoding.Default);
if(!string.IsNullOrWhiteSpace(str)) strings.Add(str);
pos += len;
}
return strings;
}
}
}

45
libexeinfo/NE/NE.cs
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@@ -95,9 +95,9 @@ namespace libexeinfo
? Architecture.I286
: Architecture.I86
};
public OperatingSystem RequiredOperatingSystem { get; private set; }
public IEnumerable<string> Strings { get; private set; }
public IEnumerable<Segment> Segments { get; private set; }
public OperatingSystem RequiredOperatingSystem { get; private set; }
public IEnumerable<string> Strings { get; private set; }
public IEnumerable<Segment> Segments { get; private set; }
void Initialize()
{
@@ -119,8 +119,8 @@ namespace libexeinfo
Marshal.FreeHGlobal(hdrPtr);
if(Header.signature != SIGNATURE) return;
Recognized = true;
Type = "New Executable (NE)";
Recognized = true;
Type = "New Executable (NE)";
List<string> strings = new List<string>();
OperatingSystem reqOs = new OperatingSystem();
@@ -219,7 +219,8 @@ namespace libexeinfo
Header.imported_names_offset <= resourceUpperLimit) resourceUpperLimit = Header.imported_names_offset;
if(Header.resource_table_offset < resourceUpperLimit && Header.resource_table_offset != 0)
if(Header.target_os == TargetOS.Windows || Header.target_os == TargetOS.Win32)
if(Header.target_os == TargetOS.Windows || Header.target_os == TargetOS.Win32 ||
Header.target_os == TargetOS.Unknown)
{
Resources = GetResources(BaseStream, BaseExecutable.Header.new_offset, Header.resource_table_offset,
resourceUpperLimit);
@@ -232,6 +233,13 @@ namespace libexeinfo
Versions = GetVersions().ToArray();
strings.AddRange(from v in Versions from s in v.StringsByLanguage from k in s.Value select k.Value);
foreach(ResourceType rtype in Resources.types)
{
if(rtype.name != "RT_STRING") continue;
strings.AddRange(GetWindowsStrings(rtype));
}
}
else if(Header.target_os == TargetOS.OS2 && segments != null && Header.resource_entries > 0)
{
@@ -298,6 +306,13 @@ namespace libexeinfo
Resources.types[counter].resources = kvp.Value.OrderBy(r => r.id).ToArray();
counter++;
}
foreach(ResourceType rtype in Resources.types)
{
if(rtype.name != "RT_STRING") continue;
strings.AddRange(GetOs2Strings(rtype));
}
}
}
@@ -393,14 +408,11 @@ namespace libexeinfo
}
}
if(!string.IsNullOrEmpty(ModuleName))
strings.Add(ModuleName);
if(!string.IsNullOrEmpty(ModuleDescription))
strings.Add(ModuleDescription);
if(!string.IsNullOrEmpty(ModuleName)) strings.Add(ModuleName);
if(!string.IsNullOrEmpty(ModuleDescription)) strings.Add(ModuleDescription);
if(strings.Count > 0) Strings = strings.Distinct().OrderBy(s => s);
if(strings.Count > 0)
Strings = strings.Distinct().OrderBy(s => s);
if(segments == null) return;
List<Segment> libsegs = new List<Segment>();
@@ -408,16 +420,15 @@ namespace libexeinfo
{
Segment libseg = new Segment
{
Flags = $"{(SegmentFlags)(seg.dwFlags & SEGMENT_FLAGS_MASK)}",
Name =
((SegmentType)(seg.dwFlags & SEGMENT_TYPE_MASK)) == SegmentType.Code ? ".text" : ".data",
Flags = $"{(SegmentFlags)(seg.dwFlags & SEGMENT_FLAGS_MASK)}",
Name = (SegmentType)(seg.dwFlags & SEGMENT_TYPE_MASK) == SegmentType.Code ? ".text" : ".data",
Offset = seg.dwLogicalSectorOffset * 16,
Size = seg.dwSegmentLength
};
if(Header.target_os == TargetOS.OS2 && (seg.dwFlags & (int)SegmentFlags.Huge) == (int)SegmentFlags.Huge)
libseg.Size *= 16;
libsegs.Add(libseg);
}

1
libexeinfo/libexeinfo.csproj
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@@ -56,6 +56,7 @@
<Compile Include="GEM\Structs.cs" />
<Compile Include="GEM\Vdi.cs" />
<Compile Include="IExecutable.cs" />
<Compile Include="NE\GetStrings.cs" />
<Compile Include="Properties\AssemblyInfo.cs" />
<Compile Include="MZ\Consts.cs" />
<Compile Include="MZ\Info.cs" />