https://git.reactos.org/?p=reactos.git;a=commitdiff;h=96aa1eee179b7c0225adb3c642a30d8d3e6904a1

commit 96aa1eee179b7c0225adb3c642a30d8d3e6904a1
Author:     Whindmar Saksit <whinds...@proton.me>
AuthorDate: Sat Mar 15 16:31:22 2025 +0100
Commit:     GitHub <nore...@github.com>
CommitDate: Sat Mar 15 16:31:22 2025 +0100

    [LNKTOOL][SHELL32] Add utility to create/dump .lnk files (#7745)
    
    Unlike mkshelllink, this uses the native COM interface to create the link.
---
 dll/win32/shell32/CShellLink.cpp                   |  19 +-
 .../rosapps/applications/devutils/CMakeLists.txt   |   1 +
 .../applications/devutils/lnktool/CMakeLists.txt   |   7 +
 .../applications/devutils/lnktool/lnktool.cpp      | 874 +++++++++++++++++++++
 .../applications/devutils/lnktool/lnktool.rc       |   9 +
 sdk/include/psdk/shlwapi.h                         |  17 +
 sdk/include/reactos/shellutils.h                   |   2 +
 7 files changed, 919 insertions(+), 10 deletions(-)

diff --git a/dll/win32/shell32/CShellLink.cpp b/dll/win32/shell32/CShellLink.cpp
index edc482f8883..3ea7c3d5e6c 100644
--- a/dll/win32/shell32/CShellLink.cpp
+++ b/dll/win32/shell32/CShellLink.cpp
@@ -544,7 +544,7 @@ static BOOL Stream_LoadVolume(LOCAL_VOLUME_INFO *vol, 
CShellLink::volume_info *v
     INT len = vol->dwSize - vol->dwVolLabelOfs;
 
     LPSTR label = (LPSTR)vol;
-    label += vol->dwVolLabelOfs;
+    label += vol->dwVolLabelOfs; // FIXME: 0x14 Unicode
     MultiByteToWideChar(CP_ACP, 0, label, len, volume->label, 
_countof(volume->label));
 
     return TRUE;
@@ -595,7 +595,7 @@ static HRESULT Stream_LoadLocation(IStream *stm,
     /* if there's a local path, load it */
     DWORD n = loc->dwLocalPathOfs;
     if (n && n < loc->dwTotalSize)
-        *path = Stream_LoadPath(&p[n], loc->dwTotalSize - n);
+        *path = Stream_LoadPath(&p[n], loc->dwTotalSize - n); // FIXME: 
Unicode offset (if present)
 
     TRACE("type %d serial %08x name %s path %s\n", volume->type,
           volume->serial, debugstr_w(volume->label), debugstr_w(*path));
@@ -850,7 +850,7 @@ static HRESULT Stream_WriteString(IStream* stm, LPCWSTR str)
  *        Figure out how Windows deals with unicode paths here.
  */
 static HRESULT Stream_WriteLocationInfo(IStream* stm, LPCWSTR path,
-        CShellLink::volume_info *volume)
+        CShellLink::volume_info *volume) // FIXME: Write Unicode strings
 {
     LOCAL_VOLUME_INFO *vol;
     LOCATION_INFO *loc;
@@ -913,6 +913,7 @@ HRESULT STDMETHODCALLTYPE CShellLink::Save(IStream *stm, 
BOOL fClearDirty)
 
     m_Header.dwSize = sizeof(m_Header);
     m_Header.clsid = CLSID_ShellLink;
+    m_Header.dwReserved3 = m_Header.dwReserved2 = m_Header.wReserved1 = 0;
 
     /* Store target attributes */
     WIN32_FIND_DATAW wfd = {};
@@ -934,8 +935,9 @@ HRESULT STDMETHODCALLTYPE CShellLink::Save(IStream *stm, 
BOOL fClearDirty)
      * already set in accordance by the different mutator member functions.
      * The other flags will be determined now by the presence or absence of 
data.
      */
-    m_Header.dwFlags &= (SLDF_RUN_WITH_SHIMLAYER | SLDF_RUNAS_USER |
-                         SLDF_RUN_IN_SEPARATE | SLDF_HAS_DARWINID |
+    UINT NT6SimpleFlags = LOBYTE(GetVersion()) > 6 ? (0x00040000 | 0x00400000 
| 0x00800000 | 0x02000000) : 0;
+    m_Header.dwFlags &= (SLDF_RUN_WITH_SHIMLAYER | SLDF_RUNAS_USER | 
SLDF_RUN_IN_SEPARATE |
+                         SLDF_HAS_DARWINID | SLDF_FORCE_NO_LINKINFO | 
NT6SimpleFlags |
 #if (NTDDI_VERSION < NTDDI_LONGHORN)
                          SLDF_HAS_LOGO3ID |
 #endif
@@ -2488,14 +2490,11 @@ HRESULT STDMETHODCALLTYPE CShellLink::GetFlags(DWORD 
*pdwFlags)
 
 HRESULT STDMETHODCALLTYPE CShellLink::SetFlags(DWORD dwFlags)
 {
-#if 0 // FIXME!
+    if (m_Header.dwFlags == dwFlags)
+        return S_FALSE;
     m_Header.dwFlags = dwFlags;
     m_bDirty = TRUE;
     return S_OK;
-#else
-    FIXME("\n");
-    return E_NOTIMPL;
-#endif
 }
 
 /**************************************************************************
diff --git a/modules/rosapps/applications/devutils/CMakeLists.txt 
b/modules/rosapps/applications/devutils/CMakeLists.txt
index 446fbc1ea74..2ffa876e181 100644
--- a/modules/rosapps/applications/devutils/CMakeLists.txt
+++ b/modules/rosapps/applications/devutils/CMakeLists.txt
@@ -3,6 +3,7 @@ add_subdirectory(createspec)
 add_subdirectory(gdb2)
 add_subdirectory(gdihv)
 add_subdirectory(genguid)
+add_subdirectory(lnktool)
 add_subdirectory(nls2txt)
 add_subdirectory(shimdbg)
 add_subdirectory(shimtest_ros)
diff --git a/modules/rosapps/applications/devutils/lnktool/CMakeLists.txt 
b/modules/rosapps/applications/devutils/lnktool/CMakeLists.txt
new file mode 100644
index 00000000000..009f746e742
--- /dev/null
+++ b/modules/rosapps/applications/devutils/lnktool/CMakeLists.txt
@@ -0,0 +1,7 @@
+
+add_executable(lnktool lnktool.cpp lnktool.rc)
+
+set_module_type(lnktool win32cui UNICODE)
+target_link_libraries(lnktool uuid)
+add_importlibs(lnktool ole32 comctl32 shell32 shlwapi advapi32 user32 msvcrt 
kernel32)
+add_cd_file(TARGET lnktool DESTINATION reactos/system32 FOR all)
diff --git a/modules/rosapps/applications/devutils/lnktool/lnktool.cpp 
b/modules/rosapps/applications/devutils/lnktool/lnktool.cpp
new file mode 100644
index 00000000000..32499fcdf07
--- /dev/null
+++ b/modules/rosapps/applications/devutils/lnktool/lnktool.cpp
@@ -0,0 +1,874 @@
+/*
+ * PROJECT:     lnktool
+ * LICENSE:     GPL-2.0+ (https://spdx.org/licenses/GPL-2.0+)
+ * PURPOSE:     ShellLink (.lnk) utility
+ * COPYRIGHT:   Copyright 2025 Whindmar Saksit <whinds...@proton.me>
+ */
+
+#define INDENT " "
+static const char g_Usage[] = ""
+    "lnktool <Create|Dump|RemoveDatablock> <LnkFile> [Options]\n"
+    "\n"
+    "Create Options:\n"
+    "/Pidl <Path>\n"
+    "/Path <TargetPath>\n"
+    "/Icon <Path,Index>\n"
+    "/Arguments <String>\n"
+    "/RelativePath <LnkPath>\n"
+    "/WorkingDir <Path>\n"
+    "/Comment <String>\n"
+    "/ShowCmd <Number>\n"
+    "/SpecialFolderOffset <CSIDL> <Offset|-Count>\n"
+    "/AddExp <TargetPath>\n"
+    "/AddExpIcon <Path>\n"
+    "/RemoveExpIcon\n" // Removes the EXP_SZ_ICON block and flag
+    "/AddSLDF <Flag>\n"
+    "/RemoveSLDF <Flag>\n";
+
+#include <windows.h>
+#include <shlobj.h>
+#include <shlwapi.h>
+#include <wchar.h>
+#include <stdio.h> // For shellutils.h (sprintf)
+#include <shellutils.h>
+#include <shlwapi_undoc.h>
+#include <undocshell.h> // SHELL_LINK_HEADER
+
+enum { slgp_relativepriority = 0x08 };
+#define PT_DESKTOP_REGITEM      0x1F
+#define PT_COMPUTER_REGITEM     0x2E
+#define PT_FS                   0x30
+#define PT_FS_UNICODE_FLAG      0x04
+
+static const struct { UINT Flag; PCSTR Name; } g_SLDF[] =
+{
+    { SLDF_HAS_ID_LIST, "IDLIST" },
+    { SLDF_HAS_LINK_INFO, "LINKINFO" },
+    { SLDF_HAS_NAME, "NAME" },
+    { SLDF_HAS_RELPATH, "RELPATH" },
+    { SLDF_HAS_WORKINGDIR, "WORKINGDIR" },
+    { SLDF_HAS_ARGS, "ARGS" },
+    { SLDF_HAS_ICONLOCATION, "ICONLOCATION" },
+    { SLDF_UNICODE, "UNICODE" },
+    { SLDF_FORCE_NO_LINKINFO, "FORCE_NO_LINKINFO" },
+    { SLDF_HAS_EXP_SZ, "EXP_SZ" },
+    { SLDF_RUN_IN_SEPARATE, "RUN_IN_SEPARATE" },
+    { 0x00000800, "LOGO3ID" },
+    { SLDF_HAS_DARWINID, "DARWINID" },
+    { SLDF_RUNAS_USER, "RUNAS_USER" },
+    { SLDF_HAS_EXP_ICON_SZ, "EXP_ICON_SZ" },
+    { SLDF_NO_PIDL_ALIAS, "NO_PIDL_ALIAS" },
+    { SLDF_FORCE_UNCNAME, "FORCE_UNCNAME" },
+    { SLDF_RUN_WITH_SHIMLAYER, "RUN_WITH_SHIMLAYER" },
+    { 0x00040000, "FORCE_NO_LINKTRACK" },
+    { 0x00080000, "ENABLE_TARGET_METADATA" },
+    { 0x00100000, "DISABLE_LINK_PATH_TRACKING" },
+    { 0x00200000, "DISABLE_KNOWNFOLDER_RELATIVE_TRACKING" },
+    { 0x00400000, "NO_KF_ALIAS" },
+    { 0x00800000, "ALLOW_LINK_TO_LINK" },
+    { 0x01000000, "UNALIAS_ON_SAVE" },
+    { 0x02000000, "PREFER_ENVIRONMENT_PATH" },
+    { 0x04000000, "KEEP_LOCAL_IDLIST_FOR_UNC_TARGET" },
+    { 0x08000000, "PERSIST_VOLUME_ID_RELATIVE" },
+};
+
+static const struct { UINT Flag; PCSTR Name; } g_DBSig[] =
+{
+    { EXP_SZ_LINK_SIG, "SZ_LINK" },
+    { EXP_SZ_ICON_SIG, "SZ_ICON" },
+    { EXP_SPECIAL_FOLDER_SIG, "SPECIALFOLDER" },
+    { EXP_TRACKER_SIG, "TRACKER" },
+    { 0xA0000009, "PROPERTYSTORAGE" },
+    { EXP_KNOWN_FOLDER_SIG, "KNOWNFOLDER" },
+    { EXP_VISTA_ID_LIST_SIG, "VISTAPIDL" },
+};
+
+static LONG StrToNum(PCWSTR in)
+{
+    PWCHAR end;
+    LONG v = wcstol(in, &end, 0);
+    if (v == LONG_MAX)
+        v = wcstoul(in, &end, 0);
+    return (end > in) ? v : 0;
+}
+
+template<class T>
+static UINT MapToNumber(PCWSTR Name, const T &Map)
+{
+    CHAR buf[200];
+    WideCharToMultiByte(CP_ACP, 0, Name, -1, buf, _countof(buf), NULL, NULL);
+    buf[_countof(buf) - 1] = ANSI_NULL;
+    for (UINT i = 0; i < _countof(Map); ++i)
+    {
+        if (!StrCmpIA(buf, Map[i].Name))
+            return Map[i].Flag;
+    }
+    return StrToNum(Name);
+}
+
+template<class T>
+static PCSTR MapToName(UINT Value, const T &Map, PCSTR Fallback = NULL)
+{
+    for (UINT i = 0; i < _countof(Map); ++i)
+    {
+        if (Map[i].Flag == Value)
+            return Map[i].Name;
+    }
+    return Fallback;
+}
+
+#define GetSLDF(Name) MapToNumber((Name), g_SLDF)
+#define GetDatablockSignature(Name) MapToNumber((Name), g_DBSig)
+
+static int ErrMsg(int Error)
+{
+    WCHAR buf[400];
+    for (UINT e = Error, cch; ;)
+    {
+        lstrcpynW(buf, L"?", _countof(buf));
+        cch = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM | 
FORMAT_MESSAGE_IGNORE_INSERTS, 0, e, 0, buf, _countof(buf), NULL);
+        while (cch && buf[cch - 1] <= ' ')
+            buf[--cch] = UNICODE_NULL; // Remove trailing newlines
+        if (cch || HIWORD(e) != HIWORD(HRESULT_FROM_WIN32(1)))
+            break;
+        e = HRESULT_CODE(e); // "WIN32_FROM_HRESULT"
+    }
+    wprintf(Error < 0 ? L"Error 0x%.8X %s\n" : L"Error %d %s\n", Error, buf);
+    return Error;
+}
+
+static int SuccessOrReportError(int Error)
+{
+    return Error ? ErrMsg(Error) : Error;
+}
+
+static inline HRESULT Seek(IStream *pStrm, int Move, int Origin = 
FILE_CURRENT, ULARGE_INTEGER *pNewPos = NULL)
+{
+    LARGE_INTEGER Pos;
+    Pos.QuadPart = Move;
+    return pStrm->Seek(Pos, Origin, pNewPos);
+}
+
+static HRESULT IL_LoadFromStream(IStream *pStrm, PIDLIST_ABSOLUTE *ppidl)
+{
+    HMODULE hShell32 = LoadLibraryA("SHELL32");
+    HRESULT (WINAPI*ILLFS)(IStream*, PIDLIST_ABSOLUTE*);
+    (FARPROC&)ILLFS = GetProcAddress(hShell32, (char*)26); // NT5
+    if (!ILLFS)
+        (FARPROC&)ILLFS = GetProcAddress(hShell32, (char*)846); // NT6
+    return ILLFS(pStrm, ppidl);
+}
+
+static HRESULT SHParseName(PCWSTR Path, PIDLIST_ABSOLUTE *ppidl)
+{
+    HMODULE hShell32 = LoadLibraryA("SHELL32");
+    int (WINAPI*SHPDN)(PCWSTR, void*, PIDLIST_ABSOLUTE*, UINT, UINT*);
+    (FARPROC&)SHPDN = GetProcAddress(hShell32, "SHParseDisplayName");
+    if (SHPDN)
+        return SHPDN(Path, NULL, ppidl, 0, NULL);
+    return SHILCreateFromPath(Path, ppidl, NULL);
+}
+
+static HRESULT SHParseNameEx(PCWSTR Path, PIDLIST_ABSOLUTE *ppidl, bool Simple)
+{
+    if (!Simple)
+        return SHParseName(Path, ppidl);
+    *ppidl = SHSimpleIDListFromPath(Path);
+    return *ppidl ? S_OK : E_FAIL;
+}
+
+static INT_PTR SHGetPidlInfo(LPCITEMIDLIST pidl, SHFILEINFOW &shfi, UINT 
Flags, UINT Depth = 0)
+{
+    LPITEMIDLIST pidlDup = NULL, pidlChild;
+    if (Depth > 0)
+    {
+        if ((pidl = pidlDup = pidlChild = ILClone(pidl)) == NULL)
+            return 0;
+        while (Depth--)
+        {
+            if (LPITEMIDLIST pidlNext = ILGetNext(pidlChild))
+                pidlChild = pidlNext;
+        }
+        pidlChild->mkid.cb = 0;
+    }
+    INT_PTR ret = SHGetFileInfoW((PWSTR)pidl, 0, &shfi, sizeof(shfi), Flags | 
SHGFI_PIDL);
+    ILFree(pidlDup);
+    return ret;
+}
+
+static void PrintOffsetString(PCSTR Name, LPCVOID Base, UINT Min, UINT Ansi, 
UINT Unicode, PCSTR Indent = "")
+{
+    if (Unicode && Unicode >= Min)
+        wprintf(L"%hs%hs=%ls", Indent, Name, (PWSTR)((BYTE*)Base + Unicode));
+    else
+        wprintf(L"%hs%hs=%hs", Indent, Name, Ansi >= Min ? (char*)Base + Ansi 
: "");
+    wprintf(L"\n"); // Separate function call in case the (untrusted) input 
ends with a DEL character
+}
+
+static void Print(PCSTR Name, REFGUID Guid, PCSTR Indent = "")
+{
+    WCHAR Buffer[39];
+    StringFromGUID2(Guid, Buffer, _countof(Buffer));
+    wprintf(L"%hs%hs=%ls\n", Indent, Name, Buffer);
+}
+
+template<class V, class T>
+static void DumpFlags(V Value, T *pInfo, UINT Count, PCSTR Prefix = NULL)
+{
+    if (!Prefix)
+        Prefix = "";
+    for (SIZE_T i = 0; i < Count; ++i)
+    {
+        if (Value & pInfo[i].Flag)
+            wprintf(L"%hs%#.8x:%hs\n", Prefix, pInfo[i].Flag, 
const_cast<PCSTR>(pInfo[i].Name));
+        Value &= ~pInfo[i].Flag;
+    }
+    if (Value)
+        wprintf(L"%hs%#.8x:%hs\n", Prefix, Value, "?");
+}
+
+static void Dump(LPITEMIDLIST pidl, PCSTR Heading = NULL)
+{
+    struct GUIDPIDL { WORD cb; BYTE Type, Unknown; GUID guid; };
+    struct DRIVE { BYTE cb1, cb2, Type; char Name[4]; BYTE Unk[18]; };
+    struct FS95 { WORD cb; BYTE Type, Unknown, Data[4+2+2+2]; char Name[1]; };
+    if (Heading)
+        wprintf(L"%hs ", Heading);
+    if (!pidl || !pidl->mkid.cb)
+        wprintf(L"[Desktop (%hs)]", pidl ? "Empty" : "NULL");
+    for (UINT i = 0; pidl && pidl->mkid.cb; ++i, pidl = ILGetNext(pidl))
+    {
+        SHFILEINFOW shfi;
+        PWSTR buf = shfi.szDisplayName;
+        GUIDPIDL *pidlGUID = (GUIDPIDL*)pidl;
+        UINT cb = pidl->mkid.cb;
+        UINT type = cb >= 3 ? (pidlGUID->Type & ~0x80) : 0, folder = type & 
0x70;
+        if (i)
+            wprintf(L" ");
+        if (cb < 3)
+        {
+            wprintf(L"[? %ub]", cb);
+        }
+        else if (i == 0 && cb == sizeof(GUIDPIDL) && type == 
PT_DESKTOP_REGITEM) guiditem:
+        {
+            if (!SHGetPidlInfo(pidl, shfi, SHGFI_DISPLAYNAME, 1))
+                StringFromGUID2(*(GUID*)((char*)pidl + cb - 16), buf, 39);
+            wprintf(L"[%.2X %ub %s]", pidl->mkid.abID[0], cb, buf);
+        }
+        else if (i == 1 && cb == sizeof(GUIDPIDL) && type == 
PT_COMPUTER_REGITEM)
+        {
+            goto guiditem;
+        }
+        else if (i == 1 && cb == sizeof(DRIVE) && folder == 0x20)
+        {
+            DRIVE *p = (DRIVE*)pidl;
+            wprintf(L"[%.2X %ub \"%.3hs\"]", p->Type, cb, p->Name);
+        }
+        else if (cb > FIELD_OFFSET(FS95, Name) && folder == PT_FS)
+        {
+            FS95 *p = (FS95*)pidl;
+            const BOOL wide = type & PT_FS_UNICODE_FLAG;
+            wprintf(wide ? L"[%.2X %ub \"%.256ls\"]" : L"[%.2X %ub 
\"%.256hs\"]", p->Type, cb, p->Name);
+        }
+        else
+        {
+            wprintf(L"[%.2X %ub ?]", pidl->mkid.abID[0], cb);
+        }
+    }
+    wprintf(L"\n");
+}
+
+static HRESULT Save(IShellLink *pSL, PCWSTR LnkPath)
+{
+    HRESULT hr;
+    IPersistFile *pPF;
+    if (SUCCEEDED(hr = pSL->QueryInterface(IID_PPV_ARG(IPersistFile, &pPF))))
+    {
+        if (SUCCEEDED(hr = pPF->Save(LnkPath, FALSE)) && hr != S_OK)
+            hr = E_FAIL;
+        pPF->Release();
+    }
+    return hr;
+}
+
+static HRESULT Load(IUnknown *pUnk, IStream *pStream)
+{
+    IPersistStream *pPS;
+    HRESULT hr = pUnk->QueryInterface(IID_PPV_ARG(IPersistStream, &pPS));
+    if (SUCCEEDED(hr))
+    {
+        hr = pPS->Load(pStream);
+        pPS->Release();
+    }
+    return hr;
+}
+
+static HRESULT Open(PCWSTR Path, IStream **ppStream, IShellLink **ppLink, UINT 
Mode = STGM_READ)
+{
+    if (Mode & (STGM_WRITE | STGM_READWRITE))
+        Mode = (Mode & ~STGM_WRITE) | STGM_READWRITE | STGM_SHARE_DENY_WRITE;
+    else
+        Mode |= STGM_READ | STGM_SHARE_DENY_NONE;
+    IStream *pStream;
+    HRESULT hr = SHCreateStreamOnFileW(Path, Mode, &pStream);
+    if (SUCCEEDED(hr) && ppLink)
+    {
+        hr = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, 
IID_PPV_ARG(IShellLink, ppLink));
+        if (SUCCEEDED(hr) && !(Mode & STGM_CREATE))
+        {
+            if (FAILED(hr = Load(*ppLink, pStream)))
+            {
+                (*ppLink)->Release();
+                *ppLink = NULL;
+            }
+            IStream_Reset(pStream);
+        }
+    }
+
+    if (SUCCEEDED(hr) && ppStream)
+        *ppStream = pStream;
+    else if (pStream)
+        pStream->Release();
+    return hr;
+}
+
+#define FreeBlock SHFree
+static inline LPDATABLOCK_HEADER NextBlock(LPDATABLOCK_HEADER pdbh)
+{
+    return (LPDATABLOCK_HEADER)((char*)pdbh + pdbh->cbSize);
+}
+
+template<class T>
+static HRESULT ReadBlock(IStream *pStream, T **ppData = NULL)
+{
+    DWORD cb = 0;
+    HRESULT hr = IStream_Read(pStream, &cb, sizeof(cb));
+    if (SUCCEEDED(hr))
+    {
+        UINT Remain = cb - min(sizeof(DWORD), cb);
+        if (!ppData)
+            return Seek(pStream, Remain);
+        *ppData = (T*)SHAlloc(Remain + sizeof(DWORD));
+        if (!*ppData)
+            return E_OUTOFMEMORY;
+        ((DATABLOCK_HEADER*)*ppData)->cbSize = cb;
+        if (SUCCEEDED(hr = IStream_Read(pStream, 
&((DATABLOCK_HEADER*)*ppData)->dwSignature, Remain)))
+            return cb;
+    }
+    return hr;
+}
+
+struct DataBlockEnum
+{
+    DataBlockEnum(LPDATABLOCK_HEADER pHead) : m_It(pHead) {}
+
+    LPDATABLOCK_HEADER Get()
+    {
+        if (m_It && m_It->cbSize >= FIELD_OFFSET(DATABLOCK_HEADER, 
dwSignature))
+            return m_It + (m_It->dwSignature == ~0UL); // SHFindDataBlock 
compatible
+        return NULL;
+    }
+    void Next()
+    {
+        if (m_It && m_It->cbSize)
+            m_It = NextBlock(m_It);
+    }
+    LPDATABLOCK_HEADER m_It;
+};
+
+static HRESULT ReadAndDumpString(PCSTR Name, UINT Id, const SHELL_LINK_HEADER 
&slh, IStream *pStream)
+{
+    if (!(Id & slh.dwFlags))
+        return S_OK;
+    WORD cch;
+    HRESULT hr = IStream_Read(pStream, &cch, sizeof(cch));
+    if (FAILED(hr))
+        return hr;
+    UINT cb = (UINT)cch * ((slh.dwFlags & SLDF_UNICODE) ? sizeof(WCHAR) : 
sizeof(CHAR));
+    void *data = SHAlloc(cb);
+    if (!data)
+        return E_OUTOFMEMORY;
+    if (FAILED(hr = IStream_Read(pStream, data, cb)))
+        return hr;
+    if (slh.dwFlags & SLDF_UNICODE)
+        wprintf(L"%hs=%.*ls\n", Name, cch, (PWSTR)data);
+    else
+        wprintf(L"%hs=%.*hs\n", Name, cch, (PCSTR)data);
+    SHFree(data);
+    return S_OK;
+}
+
+static HRESULT DumpCommand(PCWSTR Path)
+{
+    IStream *pStream;
+    HRESULT hr = Open(Path, &pStream, NULL);
+    if (FAILED(hr))
+        return hr;
+
+    LPITEMIDLIST pidl;
+    SHELL_LINK_HEADER slh;
+    if (SUCCEEDED(hr = IStream_Read(pStream, &slh, sizeof(slh))))
+    {
+        #define DUMPSLH(name, fmt, field) wprintf(L"%hs=" fmt L"\n", (name), 
(slh).field)
+        DUMPSLH("Flags", L"%#.8x", dwFlags);
+        DumpFlags(slh.dwFlags, g_SLDF, _countof(g_SLDF), INDENT);
+        DUMPSLH("FileAttributes", L"%#.8x", dwFileAttributes);
+        DUMPSLH("Size", L"%u", nFileSizeLow);
+        DUMPSLH("IconIndex", L"%d", nIconIndex);
+        DUMPSLH("ShowCommand", L"%d", nShowCommand);
+        DUMPSLH("HotKey", L"%#.4x", wHotKey);
+
+        if (SUCCEEDED(hr) && (slh.dwFlags & SLDF_HAS_ID_LIST))
+        {
+            if (SUCCEEDED(hr = IL_LoadFromStream(pStream, &pidl)))
+            {
+                Dump(pidl, "PIDL:");
+                ILFree(pidl);
+            }
+        }
+        if (SUCCEEDED(hr) && (slh.dwFlags & SLDF_HAS_LINK_INFO))
+        {
+            int offset;
+            SHELL_LINK_INFOW *p;
+            if ((hr = ReadBlock(pStream, &p)) >= 
(signed)sizeof(SHELL_LINK_INFOA))
+            {
+                wprintf(L"%hs:\n", "LINKINFO");
+                wprintf(L"%hs%hs=%#.8x\n", INDENT, "Flags", p->dwFlags);
+                if (p->dwFlags & SLI_VALID_LOCAL)
+                {
+                    if (p->cbVolumeIDOffset)
+                    {
+                        SHELL_LINK_INFO_VOLUME_IDW *pVol = 
(SHELL_LINK_INFO_VOLUME_IDW*)((char*)p + p->cbVolumeIDOffset);
+                        wprintf(L"%hs%hs=%d\n", INDENT, "DriveType", 
pVol->dwDriveType);
+                        wprintf(L"%hs%hs=%#.8x\n", INDENT, "Serial", 
pVol->nDriveSerialNumber);
+                        offset = pVol->cbVolumeLabelOffset == 0x14 ? 
pVol->cbVolumeLabelUnicodeOffset : 0;
+                        if (offset || pVol->cbVolumeLabelOffset != 0x14) // 
0x14 from [MS-SHLLINK] documentation
+                            PrintOffsetString("Label", pVol, 0x10, 
pVol->cbVolumeLabelOffset, offset, INDENT);
+                    }
+                    offset = p->cbHeaderSize >= sizeof(SHELL_LINK_INFOW) ? 
p->cbCommonPathSuffixUnicodeOffset : 0;
+                    PrintOffsetString("CommonSuffix", p, 
sizeof(SHELL_LINK_INFOA), p->cbCommonPathSuffixOffset, offset, INDENT);
+
+                    offset = p->cbHeaderSize >= sizeof(SHELL_LINK_INFOW) ? 
p->cbLocalBasePathUnicodeOffset : 0;
+                    PrintOffsetString("LocalBase", p, 
sizeof(SHELL_LINK_INFOA), p->cbLocalBasePathOffset, offset, INDENT);
+                }
+                SHELL_LINK_INFO_CNR_LINKW *pCNR = 
(SHELL_LINK_INFO_CNR_LINKW*)((char*)p + p->cbCommonNetworkRelativeLinkOffset);
+                if ((p->dwFlags & SLI_VALID_NETWORK) && 
p->cbCommonNetworkRelativeLinkOffset)
+                {
+                    wprintf(L"%hs%hs=%#.8x\n", INDENT, "CNR", pCNR->dwFlags);
+                    wprintf(L"%hs%hs=%#.8x\n", INDENT, "Provider", 
pCNR->dwNetworkProviderType); // WNNC_NET_*
+
+                    offset = pCNR->cbNetNameOffset > 0x14 ? 
pCNR->cbNetNameUnicodeOffset : 0;
+                    PrintOffsetString("NetName", pCNR, 
sizeof(SHELL_LINK_INFO_CNR_LINKA), pCNR->cbNetNameOffset, offset, INDENT);
+
+                    offset = pCNR->cbNetNameOffset > 0x14 ? 
pCNR->cbDeviceNameUnicodeOffset : 0;
+                    if (pCNR->dwFlags & SLI_CNR_VALID_DEVICE)
+                        PrintOffsetString("DeviceName", pCNR, 
sizeof(SHELL_LINK_INFO_CNR_LINKA), pCNR->cbDeviceNameOffset, offset, INDENT);
+                }
+                FreeBlock(p);
+            }
+        }
+        if (SUCCEEDED(hr))
+            hr = ReadAndDumpString("NAME", SLDF_HAS_NAME, slh, pStream);
+        if (SUCCEEDED(hr))
+            hr = ReadAndDumpString("RELPATH", SLDF_HAS_RELPATH, slh, pStream);
+        if (SUCCEEDED(hr))
+            hr = ReadAndDumpString("WORKINGDIR", SLDF_HAS_WORKINGDIR, slh, 
pStream);
+        if (SUCCEEDED(hr))
+            hr = ReadAndDumpString("ARGS", SLDF_HAS_ARGS, slh, pStream);
+        if (SUCCEEDED(hr))
+            hr = ReadAndDumpString("ICONLOCATION", SLDF_HAS_ICONLOCATION, slh, 
pStream);
+
+        LPDATABLOCK_HEADER pDBListHead, pDBH;
+        if (SUCCEEDED(hr) && SUCCEEDED(hr = SHReadDataBlockList(pStream, 
&pDBListHead)))
+        {
+            for (DataBlockEnum it(pDBListHead); (pDBH = it.Get()) != NULL; 
it.Next())
+            {
+                PCSTR SigName = MapToName(pDBH->dwSignature, g_DBSig, NULL);
+                wprintf(L"DataBlock: %.8X %ub", pDBH->dwSignature, 
pDBH->cbSize);
+                void *pFirstMember = ((EXP_SZ_LINK*)pDBH)->szTarget;
+                if (pDBH->dwSignature == EXP_SZ_LINK_SIG && pDBH->cbSize > 
FIELD_OFFSET(EXP_SZ_LINK, szwTarget))
+                {
+                    wprintf(L" %hs\n", "SZ_LINK");
+                printdbpaths:
+                    EXP_SZ_LINK *p = (EXP_SZ_LINK*)pDBH;
+                    wprintf(L"%hs%hs=%.260hs\n", INDENT, "Ansi", p->szTarget);
+                    wprintf(L"%hs%hs=%.260ls\n", INDENT, "Wide", p->szwTarget);
+                }
+                else if (pDBH->dwSignature == EXP_SZ_ICON_SIG && pDBH->cbSize 
> FIELD_OFFSET(EXP_SZ_LINK, szwTarget))
+                {
+                    wprintf(L" %hs\n", "SZ_ICON/LOGO3");
+                    goto printdbpaths;
+                }
+                else if (pDBH->dwSignature == EXP_DARWIN_ID_SIG && 
pDBH->cbSize == sizeof(EXP_DARWIN_LINK))
+                {
+                    wprintf(L" %hs\n", "DARWIN_LINK");
+                    goto printdbpaths;
+                }
+                else if (pDBH->dwSignature == NT_CONSOLE_PROPS_SIG && 
pDBH->cbSize >= sizeof(NT_CONSOLE_PROPS))
+                {
+                    wprintf(L" %hs\n", "NT_CONSOLE_PROPS");
+                    NT_CONSOLE_PROPS *p = (NT_CONSOLE_PROPS*)pDBH;
+                    wprintf(L"%hsInsert=%d Quick=%d %ls\n", INDENT, 
p->bInsertMode, p->bQuickEdit, p->FaceName);
+                }
+                else if (pDBH->dwSignature == EXP_SPECIAL_FOLDER_SIG && 
pDBH->cbSize == sizeof(EXP_SPECIAL_FOLDER))
+                {
+                    wprintf(L" %hs\n", SigName);
+                    EXP_SPECIAL_FOLDER *p = (EXP_SPECIAL_FOLDER*)pDBH;
+                    wprintf(L"%hsCSIDL=%#x Offset=%#x\n", INDENT, 
p->idSpecialFolder, p->cbOffset);
+                }
+                else if (pDBH->dwSignature == EXP_TRACKER_SIG)
+                {
+                    wprintf(L" %hs\n", SigName);
+                    EXP_TRACKER *p = (EXP_TRACKER*)pDBH;
+                    UINT len = FIELD_OFFSET(EXP_TRACKER, nLength) + p->nLength;
+                    if (len >= FIELD_OFFSET(EXP_TRACKER, szMachineID))
+                        wprintf(L"%hsVersion=%d\n", INDENT, p->nVersion);
+                    if (len >= FIELD_OFFSET(EXP_TRACKER, guidDroidVolume))
+                        wprintf(L"%hsMachine=%hs\n", INDENT, p->szMachineID);
+                    if (len >= FIELD_OFFSET(EXP_TRACKER, guidDroidObject))
+                        Print("Volume", p->guidDroidVolume, INDENT);
+                    if (len >= FIELD_OFFSET(EXP_TRACKER, guidDroidBirthVolume))
+                        Print("Object", p->guidDroidObject, INDENT);
+                    if (len >= FIELD_OFFSET(EXP_TRACKER, guidDroidBirthObject))
+                        Print("BirthVolume", p->guidDroidBirthVolume, INDENT);
+                    if (len >= sizeof(EXP_TRACKER))
+                        Print("BirthObject", p->guidDroidBirthObject, INDENT);
+                }
+                else if (pDBH->dwSignature == EXP_SHIM_SIG)
+                {
+                    wprintf(L" %hs\n", SigName ? SigName : "SHIM");
+                    wprintf(L"%hs%ls\n", INDENT, (PWSTR)pFirstMember);
+                }
+                else if (pDBH->dwSignature == EXP_VISTA_ID_LIST_SIG && 
pDBH->cbSize >= 8 + 2)
+                {
+                    wprintf(L" %hs\n", SigName);
+                    Dump((LPITEMIDLIST)pFirstMember, INDENT + 1);
+                }
+                else
+                {
+                    wprintf(SigName ? L" %hs\n" : L"\n", SigName);
+                }
+            }
+            SHFreeDataBlockList(pDBListHead);
+        }
+    }
+    pStream->Release();
+
+    // Now dump using the API
+    HRESULT hr2;
+    WCHAR buf[MAX_PATH * 2];
+    IShellLink *pSL;
+    if (FAILED(hr2 = Open(Path, NULL, &pSL)))
+        return hr2;
+    wprintf(L"\n");
+
+    if (SUCCEEDED(hr2 = pSL->GetIDList(&pidl)))
+    {
+        Dump(pidl, "GetIDList:");
+        ILFree(pidl);
+    }
+    else
+    {
+        wprintf(L"%hs: %#x\n", "GetIDList", hr2);
+    }
+
+    static const BYTE GetPathFlags[] = { 0, SLGP_SHORTPATH, SLGP_RAWPATH, 
slgp_relativepriority };
+    for (UINT i = 0; i < _countof(GetPathFlags); ++i)
+    {
+        if (SUCCEEDED(hr2 = pSL->GetPath(buf, _countof(buf), NULL, 
GetPathFlags[i])))
+            wprintf(L"GetPath(%#.2x): %ls\n", GetPathFlags[i], buf);
+        else
+            wprintf(L"GetPath(%#.2x): %#x\n", GetPathFlags[i], hr2);
+    }
+
+    if (SUCCEEDED(hr2 = pSL->GetWorkingDirectory(buf, _countof(buf))))
+        wprintf(L"%hs: %ls\n", "GetWorkingDirectory", buf);
+    else
+        wprintf(L"%hs: %#x\n", "GetWorkingDirectory", hr2);
+
+    if (SUCCEEDED(hr2 = pSL->GetArguments(buf, _countof(buf))))
+        wprintf(L"%hs: %ls\n", "GetArguments", buf);
+    else
+        wprintf(L"%hs: %#x\n", "GetArguments", hr2);
+
+    if (SUCCEEDED(hr2 = pSL->GetDescription(buf, _countof(buf))))
+        wprintf(L"%hs: %ls\n", "GetDescription", buf);
+    else
+        wprintf(L"%hs: %#x\n", "GetDescription", hr2);
+
+    int index = 123456789;
+    if (SUCCEEDED(hr2 = pSL->GetIconLocation(buf, _countof(buf), &index)))
+        wprintf(L"%hs: %ls,%d\n", "GetIconLocation", buf, index);
+    else
+        wprintf(L"%hs: %#x\n", "GetIconLocation", hr2);
+
+    IExtractIconW *pEI;
+    if (SUCCEEDED(pSL->QueryInterface(IID_PPV_ARG(IExtractIconW, &pEI))))
+    {
+        index = 123456789;
+        UINT flags = 0;
+        if (SUCCEEDED(hr2 = pEI->GetIconLocation(0, buf, _countof(buf), 
&index, &flags)))
+            wprintf(L"%hs: %#x %ls,%d %#.4x\n", "EI:GetIconLocation", hr2, 
buf, index, flags);
+        else
+            wprintf(L"%hs: %#x %#.4x\n", "EI:GetIconLocation", hr2, flags);
+        pEI->Release();
+    }
+
+    pSL->Release();
+    return hr;
+}
+
+#define RemoveSLDF(pSL, Flag) RemoveDatablock((pSL), 0, (Flag))
+#define AddSLDF(pSL, Flag) RemoveDatablock((pSL), 0, 0, (Flag))
+
+static HRESULT RemoveDatablock(IShellLinkW *pSL, UINT Signature, UINT KillFlag 
= 0, UINT AddFlag = 0)
+{
+    IShellLinkDataList *pSLDL;
+    HRESULT hr = pSL->QueryInterface(IID_PPV_ARG(IShellLinkDataList, &pSLDL));
+    if (SUCCEEDED(hr))
+    {
+        if (Signature)
+            hr = pSLDL->RemoveDataBlock(Signature);
+        DWORD OrgFlags;
+        if ((AddFlag | KillFlag) && SUCCEEDED(pSLDL->GetFlags(&OrgFlags)))
+            pSLDL->SetFlags((OrgFlags & ~KillFlag) | AddFlag);
+        pSLDL->Release();
+    }
+    return hr;
+}
+
+template<class T>
+static HRESULT AddDataBlock(IShellLinkW *pSL, T &DataBlock)
+{
+    IShellLinkDataList *pSLDL;
+    HRESULT hr = pSL->QueryInterface(IID_PPV_ARG(IShellLinkDataList, &pSLDL));
+    if (SUCCEEDED(hr))
+    {
+        hr = pSLDL->AddDataBlock(&DataBlock);
+        pSLDL->Release();
+    }
+    return hr;
+}
+
+static BOOL TryGetUpdatedPidl(IShellLinkW *pSL, PIDLIST_ABSOLUTE &pidl)
+{
+    PIDLIST_ABSOLUTE pidlNew;
+    if (pSL->GetIDList(&pidlNew) == S_OK)
+    {
+        ILFree(pidl);
+        pidl = pidlNew;
+    }
+    return pidl != NULL;
+}
+
+static HRESULT CreateCommand(PCWSTR LnkPath, UINT argc, WCHAR **argv)
+{
+    IShellLinkW *pSL;
+    HRESULT hr = CoCreateInstance(CLSID_ShellLink, NULL, CLSCTX_INPROC_SERVER, 
IID_PPV_ARG(IShellLinkW, &pSL));
+    if (FAILED(hr))
+        return hr;
+
+    UINT TargetCount = 0, DumpResult = 0, ForceAddSLDF = 0, ForceRemoveSLDF = 
0;
+    PIDLIST_ABSOLUTE pidlTarget = NULL;
+    for (UINT i = 0; i < argc && SUCCEEDED(hr); ++i)
+    {
+        hr = E_INVALIDARG;
+        if (!StrCmpIW(argv[i], L"/Pidl") && i + 1 < argc)
+        {
+            bool Simple = !StrCmpIW(argv[i + 1], L"/Force") && i + 2 < argc && 
++i;
+            if (SUCCEEDED(hr = SHParseNameEx(argv[++i], &pidlTarget, Simple)))
+                TargetCount += SUCCEEDED(hr = pSL->SetIDList(pidlTarget));
+        }
+        else if (!StrCmpIW(argv[i], L"/Path") && i + 1 < argc)
+        {
+            TargetCount += SUCCEEDED(hr = pSL->SetPath(argv[++i]));
+        }
+        else if (!StrCmpIW(argv[i], L"/Icon") && i + 1 < argc)
+        {
+            int index = PathParseIconLocation(argv[++i]);
+            hr = pSL->SetIconLocation(argv[i], index);
+        }
+        else if (!StrCmpIW(argv[i], L"/Arguments") && i + 1 < argc)
+        {
+            hr = pSL->SetArguments(argv[++i]);
+        }
+        else if (!StrCmpIW(argv[i], L"/RelativePath") && i + 1 < argc)
+        {
+            hr = pSL->SetRelativePath(argv[++i], 0);
+        }
+        else if (!StrCmpIW(argv[i], L"/WorkingDir") && i + 1 < argc)
+        {
+            hr = pSL->SetWorkingDirectory(argv[++i]);
+        }
+        else if (!StrCmpIW(argv[i], L"/Comment") && i + 1 < argc)
+        {
+            hr = pSL->SetDescription(argv[++i]);
+        }
+        else if (!StrCmpIW(argv[i], L"/ShowCmd") && i + 1 < argc)
+        {
+            if (int sw = StrToNum(argv[++i])) // Don't allow SW_HIDE
+                hr = pSL->SetShowCmd(sw);
+        }
+        else if (!StrCmpIW(argv[i], L"/AddExp") && ++i < argc)
+        {
+            EXP_SZ_LINK db = { sizeof(db), EXP_SZ_LINK_SIG };
+            WideCharToMultiByte(CP_ACP, 0, argv[i], -1, db.szTarget, 
_countof(db.szTarget), NULL, NULL);
+            lstrcpynW(db.szwTarget, argv[i], _countof(db.szwTarget));
+            if (SUCCEEDED(hr = AddDataBlock(pSL, db)))
+                TargetCount += SUCCEEDED(hr = AddSLDF(pSL, SLDF_HAS_EXP_SZ));
+        }
+        else if (!StrCmpIW(argv[i], L"/AddExpIcon") && ++i < argc)
+        {
+            EXP_SZ_LINK db = { sizeof(db), EXP_SZ_ICON_SIG };
+            WideCharToMultiByte(CP_ACP, 0, argv[i], -1, db.szTarget, 
_countof(db.szTarget), NULL, NULL);
+            lstrcpynW(db.szwTarget, argv[i], _countof(db.szwTarget));
+            if (SUCCEEDED(hr = AddDataBlock(pSL, db)))
+                hr = AddSLDF(pSL, SLDF_HAS_EXP_ICON_SZ);
+        }
+        else if (!StrCmpIW(argv[i], L"/RemoveExpIcon"))
+        {
+            hr = RemoveDatablock(pSL, EXP_SZ_ICON_SIG, SLDF_HAS_EXP_ICON_SZ);
+        }
+        else if (!StrCmpIW(argv[i], L"/SpecialFolderOffset") && i + 2 < argc)
+        {
+            EXP_SPECIAL_FOLDER db = { sizeof(db), EXP_SPECIAL_FOLDER_SIG };
+            if ((db.idSpecialFolder = StrToNum(argv[++i])) == 0)
+            {
+                if (!StrCmpIW(argv[i], L"Windows"))
+                    db.idSpecialFolder = CSIDL_WINDOWS;
+                if (!StrCmpIW(argv[i], L"System"))
+                    db.idSpecialFolder = CSIDL_SYSTEM;
+            }
+            db.cbOffset = StrToNum(argv[++i]);
+            if ((signed)db.cbOffset < 0 && TryGetUpdatedPidl(pSL, pidlTarget))
+            {
+                UINT i = 0, c = -(signed)db.cbOffset;
+                db.cbOffset = 0;
+                for (PIDLIST_ABSOLUTE pidl = pidlTarget; i < c && 
pidl->mkid.cb; ++i, pidl = ILGetNext(pidl))
+                    db.cbOffset += pidl->mkid.cb;
+            }
+            hr = AddDataBlock(pSL, db);
+        }
+        else if (!StrCmpIW(argv[i], L"/RemoveDatablock"))
+        {
+            if (UINT sig = GetDatablockSignature(argv[++i]))
+                hr = RemoveDatablock(pSL, sig);
+        }
+        else if (!StrCmpIW(argv[i], L"/AddSLDF") && i + 1 < argc)
+        {
+            bool Force = !StrCmpIW(argv[i + 1], L"/Force") && i + 2 < argc && 
++i;
+            UINT Flag = GetSLDF(argv[++i]);
+            if (Flag > SLDF_UNICODE)
+                hr = AddSLDF(pSL, Flag);
+            if (Force)
+                ForceAddSLDF |= Flag;
+        }
+        else if (!StrCmpIW(argv[i], L"/RemoveSLDF") && i + 1 < argc)
+        {
+            bool Force = !StrCmpIW(argv[i + 1], L"/Force") && i + 2 < argc && 
++i;
+            UINT Flag = GetSLDF(argv[++i]);
+            if (Flag)
+                hr = RemoveSLDF(pSL, Flag);
+            if (Force)
+                ForceRemoveSLDF |= Flag;
+        }
+        else if (!StrCmpIW(argv[i], L"/Dump"))
+        {
+            DumpResult++;
+            hr = S_OK;
+        }
+        else if (!StrCmpIW(argv[i], L"/ForceCreate"))
+        {
+            TargetCount++;
+            hr = S_OK;
+        }
+        else
+        {
+            wprintf(L"%hsUnable to parse \"%ls\"!\n", "Error: ", argv[i]);
+        }
+    }
+
+    if (SUCCEEDED(hr))
+    {
+        if (TargetCount)
+        {
+            if (SUCCEEDED(hr = Save(pSL, LnkPath)) && (ForceAddSLDF | 
ForceRemoveSLDF))
+            {
+                IStream *pStream;
+                if (SUCCEEDED(Open(LnkPath, &pStream, NULL, STGM_READWRITE)))
+                {
+                    SHELL_LINK_HEADER slh;
+                    if (SUCCEEDED(IStream_Read(pStream, &slh, sizeof(slh))))
+                    {
+                        slh.dwFlags = (slh.dwFlags & ~ForceRemoveSLDF) | 
ForceAddSLDF;
+                        if (SUCCEEDED(Seek(pStream, 0, FILE_BEGIN)))
+                            IStream_Write(pStream, &slh, sizeof(slh));
+                    }
+                    pStream->Release();
+                }
+            }
+        }
+        else
+        {
+            hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND);
+        }
+
+        if (SUCCEEDED(hr) && DumpResult)
+            DumpCommand(LnkPath);
+    }
+    pSL->Release();
+    ILFree(pidlTarget);
+    return hr;
+}
+
+static HRESULT RemoveDatablockCommand(PCWSTR LnkPath, UINT argc, WCHAR **argv)
+{
+    IShellLink *pSL;
+    HRESULT hr = Open(LnkPath, NULL, &pSL, STGM_READWRITE);
+    if (FAILED(hr))
+        return hr;
+
+    hr = E_INVALIDARG;
+    for (UINT i = 0; i < argc; ++i)
+    {
+        UINT Sig = GetDatablockSignature(argv[i]);
+        if (!Sig)
+        {
+            hr = E_INVALIDARG;
+            break;
+        }
+        hr = RemoveDatablock(pSL, Sig);
+    }
+
+    if (SUCCEEDED(hr))
+        hr = Save(pSL, LnkPath);
+    pSL->Release();
+    return hr;
+}
+
+static int ProcessCommandLine(int argc, WCHAR **argv)
+{
+    if (argc < 3)
+    {
+        wprintf(L"%hs", g_Usage);
+        return argc < 2 ? 0 : ERROR_INVALID_PARAMETER;
+    }
+
+    if (!StrCmpIW(argv[1], L"Dump"))
+        return SuccessOrReportError(DumpCommand(argv[2]));
+    if (!StrCmpIW(argv[1], L"Create"))
+        return SuccessOrReportError(CreateCommand(argv[2], argc - 3, 
&argv[3]));
+    if (!StrCmpIW(argv[1], L"RemoveDatablock"))
+        return SuccessOrReportError(RemoveDatablockCommand(argv[2], argc - 3, 
&argv[3]));
+
+    return SuccessOrReportError(ERROR_INVALID_PARAMETER);
+}
+
+EXTERN_C int wmain(int argc, WCHAR **argv)
+{
+    HRESULT hrInit = OleInitialize(NULL);
+    int result = ProcessCommandLine(argc, argv);
+    if (SUCCEEDED(hrInit))
+        OleUninitialize();
+    return result;
+}
diff --git a/modules/rosapps/applications/devutils/lnktool/lnktool.rc 
b/modules/rosapps/applications/devutils/lnktool/lnktool.rc
new file mode 100644
index 00000000000..fceb662389f
--- /dev/null
+++ b/modules/rosapps/applications/devutils/lnktool/lnktool.rc
@@ -0,0 +1,9 @@
+#include <windef.h>
+#include <winuser.h>
+
+#define REACTOS_STR_FILE_DESCRIPTION  "ReactOS Shell Link Utility"
+#define REACTOS_STR_INTERNAL_NAME     "lnktool"
+#define REACTOS_STR_ORIGINAL_FILENAME "lnktool.exe"
+#include <reactos/version.rc>
+
+#include <reactos/manifest_exe.rc>
diff --git a/sdk/include/psdk/shlwapi.h b/sdk/include/psdk/shlwapi.h
index 547cf01ea8a..aac7061c01e 100644
--- a/sdk/include/psdk/shlwapi.h
+++ b/sdk/include/psdk/shlwapi.h
@@ -25,6 +25,15 @@
 #include <objbase.h>
 #include <shtypes.h>
 
+#ifndef _SHLWAPI_
+#define LWSTDAPI_(type)  EXTERN_C DECLSPEC_IMPORT type WINAPI
+#define LWSTDAPIV_(type) EXTERN_C DECLSPEC_IMPORT type STDAPIVCALLTYPE
+#else
+#define LWSTDAPI_(type)  type WINAPI
+#define LWSTDAPIV_(type) type STDAPIVCALLTYPE
+#endif
+#define LWSTDAPI         LWSTDAPI_(HRESULT)
+
 #ifdef __cplusplus
 extern "C" {
 #endif /* defined(__cplusplus) */
@@ -1897,6 +1906,14 @@ SHCreateStreamOnFileEx(
 
 HRESULT WINAPI SHCreateStreamWrapper(LPBYTE,DWORD,DWORD,struct IStream**);
 
+#ifndef _SHLWAPI_
+LWSTDAPI IStream_Reset(_In_ struct IStream*);
+#if !defined(IStream_Read) && defined(__cplusplus)
+LWSTDAPI IStream_Read(_In_ struct IStream*, _Out_ void*, _In_ ULONG);
+LWSTDAPI IStream_Write(_In_ struct IStream*, _In_ const void*, _In_ ULONG);
+#endif
+#endif
+
 #endif /* NO_SHLWAPI_STREAM */
 
 #ifndef NO_SHLWAPI_SHARED
diff --git a/sdk/include/reactos/shellutils.h b/sdk/include/reactos/shellutils.h
index c45b6ad8770..2165a6706dc 100644
--- a/sdk/include/reactos/shellutils.h
+++ b/sdk/include/reactos/shellutils.h
@@ -127,6 +127,7 @@ SHELL_ErrorBox(H hwndOwner, UINT Error = GetLastError())
 #endif
 
 #ifdef __cplusplus
+#ifdef DECLARE_CLASSFACTORY // ATL
 template <typename T>
 class CComCreatorCentralInstance
 {
@@ -456,6 +457,7 @@ HRESULT inline ShellObjectCreatorInit(T1 initArg1, T2 
initArg2, T3 initArg3, T4
 
     return hResult;
 }
+#endif // DECLARE_CLASSFACTORY (ATL)
 
 template<class P, class R> static HRESULT SHILClone(P pidl, R *ppOut)
 {

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