From f2902217b38cf2e16e851ae84d61247f8e828180 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@wolfbeast.com>
Date: Mon, 25 Mar 2019 17:53:14 +0100
Subject: Update the 7z installer stub source to 18.05.

Tag #1022
---
 other-licenses/7zstub/src/CPP/Windows/FileDir.cpp | 714 ++++++++++++++++++++++
 1 file changed, 714 insertions(+)
 create mode 100644 other-licenses/7zstub/src/CPP/Windows/FileDir.cpp

(limited to 'other-licenses/7zstub/src/CPP/Windows/FileDir.cpp')

diff --git a/other-licenses/7zstub/src/CPP/Windows/FileDir.cpp b/other-licenses/7zstub/src/CPP/Windows/FileDir.cpp
new file mode 100644
index 000000000..124569e3f
--- /dev/null
+++ b/other-licenses/7zstub/src/CPP/Windows/FileDir.cpp
@@ -0,0 +1,714 @@
+// Windows/FileDir.cpp
+
+#include "StdAfx.h"
+
+#ifndef _UNICODE
+#include "../Common/StringConvert.h"
+#endif
+
+#include "FileDir.h"
+#include "FileFind.h"
+#include "FileName.h"
+
+#ifndef _UNICODE
+extern bool g_IsNT;
+#endif
+
+using namespace NWindows;
+using namespace NFile;
+using namespace NName;
+
+namespace NWindows {
+namespace NFile {
+namespace NDir {
+
+#ifndef UNDER_CE
+
+bool GetWindowsDir(FString &path)
+{
+  UINT needLength;
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    TCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetWindowsDirectory(s, MAX_PATH + 1);
+    path = fas2fs(s);
+  }
+  else
+  #endif
+  {
+    WCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetWindowsDirectoryW(s, MAX_PATH + 1);
+    path = us2fs(s);
+  }
+  return (needLength > 0 && needLength <= MAX_PATH);
+}
+
+bool GetSystemDir(FString &path)
+{
+  UINT needLength;
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    TCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetSystemDirectory(s, MAX_PATH + 1);
+    path = fas2fs(s);
+  }
+  else
+  #endif
+  {
+    WCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetSystemDirectoryW(s, MAX_PATH + 1);
+    path = us2fs(s);
+  }
+  return (needLength > 0 && needLength <= MAX_PATH);
+}
+#endif
+
+bool SetDirTime(CFSTR path, const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    ::SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return false;
+  }
+  #endif
+  
+  HANDLE hDir = INVALID_HANDLE_VALUE;
+  IF_USE_MAIN_PATH
+    hDir = ::CreateFileW(fs2us(path), GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
+        NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
+  #ifdef WIN_LONG_PATH
+  if (hDir == INVALID_HANDLE_VALUE && USE_SUPER_PATH)
+  {
+    UString superPath;
+    if (GetSuperPath(path, superPath, USE_MAIN_PATH))
+      hDir = ::CreateFileW(superPath, GENERIC_WRITE, FILE_SHARE_READ | FILE_SHARE_WRITE,
+          NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL);
+  }
+  #endif
+
+  bool res = false;
+  if (hDir != INVALID_HANDLE_VALUE)
+  {
+    res = BOOLToBool(::SetFileTime(hDir, cTime, aTime, mTime));
+    ::CloseHandle(hDir);
+  }
+  return res;
+}
+
+bool SetFileAttrib(CFSTR path, DWORD attrib)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    if (::SetFileAttributes(fs2fas(path), attrib))
+      return true;
+  }
+  else
+  #endif
+  {
+    IF_USE_MAIN_PATH
+      if (::SetFileAttributesW(fs2us(path), attrib))
+        return true;
+    #ifdef WIN_LONG_PATH
+    if (USE_SUPER_PATH)
+    {
+      UString superPath;
+      if (GetSuperPath(path, superPath, USE_MAIN_PATH))
+        return BOOLToBool(::SetFileAttributesW(superPath, attrib));
+    }
+    #endif
+  }
+  return false;
+}
+
+
+bool SetFileAttrib_PosixHighDetect(CFSTR path, DWORD attrib)
+{
+  if ((attrib & 0xF0000000) != 0)
+    attrib &= 0x3FFF;
+  return SetFileAttrib(path, attrib);
+}
+
+
+bool RemoveDir(CFSTR path)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    if (::RemoveDirectory(fs2fas(path)))
+      return true;
+  }
+  else
+  #endif
+  {
+    IF_USE_MAIN_PATH
+      if (::RemoveDirectoryW(fs2us(path)))
+        return true;
+    #ifdef WIN_LONG_PATH
+    if (USE_SUPER_PATH)
+    {
+      UString superPath;
+      if (GetSuperPath(path, superPath, USE_MAIN_PATH))
+        return BOOLToBool(::RemoveDirectoryW(superPath));
+    }
+    #endif
+  }
+  return false;
+}
+
+bool MyMoveFile(CFSTR oldFile, CFSTR newFile)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    if (::MoveFile(fs2fas(oldFile), fs2fas(newFile)))
+      return true;
+  }
+  else
+  #endif
+  {
+    IF_USE_MAIN_PATH_2(oldFile, newFile)
+      if (::MoveFileW(fs2us(oldFile), fs2us(newFile)))
+        return true;
+    #ifdef WIN_LONG_PATH
+    if (USE_SUPER_PATH_2)
+    {
+      UString d1, d2;
+      if (GetSuperPaths(oldFile, newFile, d1, d2, USE_MAIN_PATH_2))
+        return BOOLToBool(::MoveFileW(d1, d2));
+    }
+    #endif
+  }
+  return false;
+}
+
+#ifndef UNDER_CE
+
+EXTERN_C_BEGIN
+typedef BOOL (WINAPI *Func_CreateHardLinkW)(
+    LPCWSTR lpFileName,
+    LPCWSTR lpExistingFileName,
+    LPSECURITY_ATTRIBUTES lpSecurityAttributes
+    );
+EXTERN_C_END
+
+bool MyCreateHardLink(CFSTR newFileName, CFSTR existFileName)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
+    return false;
+    /*
+    if (::CreateHardLink(fs2fas(newFileName), fs2fas(existFileName), NULL))
+      return true;
+    */
+  }
+  else
+  #endif
+  {
+    Func_CreateHardLinkW my_CreateHardLinkW = (Func_CreateHardLinkW)
+        ::GetProcAddress(::GetModuleHandleW(L"kernel32.dll"), "CreateHardLinkW");
+    if (!my_CreateHardLinkW)
+      return false;
+    IF_USE_MAIN_PATH_2(newFileName, existFileName)
+      if (my_CreateHardLinkW(fs2us(newFileName), fs2us(existFileName), NULL))
+        return true;
+    #ifdef WIN_LONG_PATH
+    if (USE_SUPER_PATH_2)
+    {
+      UString d1, d2;
+      if (GetSuperPaths(newFileName, existFileName, d1, d2, USE_MAIN_PATH_2))
+        return BOOLToBool(my_CreateHardLinkW(d1, d2, NULL));
+    }
+    #endif
+  }
+  return false;
+}
+
+#endif
+
+/*
+WinXP-64 CreateDir():
+  ""                  - ERROR_PATH_NOT_FOUND
+  \                   - ERROR_ACCESS_DENIED
+  C:\                 - ERROR_ACCESS_DENIED, if there is such drive,
+  
+  D:\folder             - ERROR_PATH_NOT_FOUND, if there is no such drive,
+  C:\nonExistent\folder - ERROR_PATH_NOT_FOUND
+  
+  C:\existFolder      - ERROR_ALREADY_EXISTS
+  C:\existFolder\     - ERROR_ALREADY_EXISTS
+
+  C:\folder   - OK
+  C:\folder\  - OK
+
+  \\Server\nonExistent    - ERROR_BAD_NETPATH
+  \\Server\Share_Readonly - ERROR_ACCESS_DENIED
+  \\Server\Share          - ERROR_ALREADY_EXISTS
+
+  \\Server\Share_NTFS_drive - ERROR_ACCESS_DENIED
+  \\Server\Share_FAT_drive  - ERROR_ALREADY_EXISTS
+*/
+
+bool CreateDir(CFSTR path)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    if (::CreateDirectory(fs2fas(path), NULL))
+      return true;
+  }
+  else
+  #endif
+  {
+    IF_USE_MAIN_PATH
+      if (::CreateDirectoryW(fs2us(path), NULL))
+        return true;
+    #ifdef WIN_LONG_PATH
+    if ((!USE_MAIN_PATH || ::GetLastError() != ERROR_ALREADY_EXISTS) && USE_SUPER_PATH)
+    {
+      UString superPath;
+      if (GetSuperPath(path, superPath, USE_MAIN_PATH))
+        return BOOLToBool(::CreateDirectoryW(superPath, NULL));
+    }
+    #endif
+  }
+  return false;
+}
+
+/*
+  CreateDir2 returns true, if directory can contain files after the call (two cases):
+    1) the directory already exists
+    2) the directory was created
+  path must be WITHOUT trailing path separator.
+
+  We need CreateDir2, since fileInfo.Find() for reserved names like "com8"
+   returns FILE instead of DIRECTORY. And we need to use SuperPath */
+ 
+static bool CreateDir2(CFSTR path)
+{
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    if (::CreateDirectory(fs2fas(path), NULL))
+      return true;
+  }
+  else
+  #endif
+  {
+    IF_USE_MAIN_PATH
+      if (::CreateDirectoryW(fs2us(path), NULL))
+        return true;
+    #ifdef WIN_LONG_PATH
+    if ((!USE_MAIN_PATH || ::GetLastError() != ERROR_ALREADY_EXISTS) && USE_SUPER_PATH)
+    {
+      UString superPath;
+      if (GetSuperPath(path, superPath, USE_MAIN_PATH))
+      {
+        if (::CreateDirectoryW(superPath, NULL))
+          return true;
+        if (::GetLastError() != ERROR_ALREADY_EXISTS)
+          return false;
+        NFind::CFileInfo fi;
+        if (!fi.Find(us2fs(superPath)))
+          return false;
+        return fi.IsDir();
+      }
+    }
+    #endif
+  }
+  if (::GetLastError() != ERROR_ALREADY_EXISTS)
+    return false;
+  NFind::CFileInfo fi;
+  if (!fi.Find(path))
+    return false;
+  return fi.IsDir();
+}
+
+bool CreateComplexDir(CFSTR _path)
+{
+  #ifdef _WIN32
+  
+  {
+    DWORD attrib = NFind::GetFileAttrib(_path);
+    if (attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_DIRECTORY) != 0)
+      return true;
+  }
+
+  #ifndef UNDER_CE
+  
+  if (IsDriveRootPath_SuperAllowed(_path))
+    return false;
+  
+  unsigned prefixSize = GetRootPrefixSize(_path);
+  
+  #endif
+  
+  #endif
+
+  FString path (_path);
+
+  int pos = path.ReverseFind_PathSepar();
+  if (pos >= 0 && (unsigned)pos == path.Len() - 1)
+  {
+    if (path.Len() == 1)
+      return true;
+    path.DeleteBack();
+  }
+
+  const FString path2 (path);
+  pos = path.Len();
+  
+  for (;;)
+  {
+    if (CreateDir2(path))
+      break;
+    if (::GetLastError() == ERROR_ALREADY_EXISTS)
+      return false;
+    pos = path.ReverseFind_PathSepar();
+    if (pos < 0 || pos == 0)
+      return false;
+    
+    #if defined(_WIN32) && !defined(UNDER_CE)
+    if (pos == 1 && IS_PATH_SEPAR(path[0]))
+      return false;
+    if (prefixSize >= (unsigned)pos + 1)
+      return false;
+    #endif
+    
+    path.DeleteFrom(pos);
+  }
+  
+  while (pos < (int)path2.Len())
+  {
+    int pos2 = NName::FindSepar(path2.Ptr(pos + 1));
+    if (pos2 < 0)
+      pos = path2.Len();
+    else
+      pos += 1 + pos2;
+    path.SetFrom(path2, pos);
+    if (!CreateDir(path))
+      return false;
+  }
+  
+  return true;
+}
+
+bool DeleteFileAlways(CFSTR path)
+{
+  /* If alt stream, we also need to clear READ-ONLY attribute of main file before delete.
+     SetFileAttrib("name:stream", ) changes attributes of main file. */
+  {
+    DWORD attrib = NFind::GetFileAttrib(path);
+    if (attrib != INVALID_FILE_ATTRIBUTES
+        && (attrib & FILE_ATTRIBUTE_DIRECTORY) == 0
+        && (attrib & FILE_ATTRIBUTE_READONLY) != 0)
+    {
+      if (!SetFileAttrib(path, attrib & ~FILE_ATTRIBUTE_READONLY))
+        return false;
+    }
+  }
+
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    if (::DeleteFile(fs2fas(path)))
+      return true;
+  }
+  else
+  #endif
+  {
+    /* DeleteFile("name::$DATA") deletes all alt streams (same as delete DeleteFile("name")).
+       Maybe it's better to open "name::$DATA" and clear data for unnamed stream? */
+    IF_USE_MAIN_PATH
+      if (::DeleteFileW(fs2us(path)))
+        return true;
+    #ifdef WIN_LONG_PATH
+    if (USE_SUPER_PATH)
+    {
+      UString superPath;
+      if (GetSuperPath(path, superPath, USE_MAIN_PATH))
+        return BOOLToBool(::DeleteFileW(superPath));
+    }
+    #endif
+  }
+  return false;
+}
+
+bool RemoveDirWithSubItems(const FString &path)
+{
+  bool needRemoveSubItems = true;
+  {
+    NFind::CFileInfo fi;
+    if (!fi.Find(path))
+      return false;
+    if (!fi.IsDir())
+    {
+      ::SetLastError(ERROR_DIRECTORY);
+      return false;
+    }
+    if (fi.HasReparsePoint())
+      needRemoveSubItems = false;
+  }
+
+  if (needRemoveSubItems)
+  {
+    FString s (path);
+    s.Add_PathSepar();
+    const unsigned prefixSize = s.Len();
+    NFind::CEnumerator enumerator;
+    enumerator.SetDirPrefix(s);
+    NFind::CFileInfo fi;
+    while (enumerator.Next(fi))
+    {
+      s.DeleteFrom(prefixSize);
+      s += fi.Name;
+      if (fi.IsDir())
+      {
+        if (!RemoveDirWithSubItems(s))
+          return false;
+      }
+      else if (!DeleteFileAlways(s))
+        return false;
+    }
+  }
+  
+  if (!SetFileAttrib(path, 0))
+    return false;
+  return RemoveDir(path);
+}
+
+#ifdef UNDER_CE
+
+bool MyGetFullPathName(CFSTR path, FString &resFullPath)
+{
+  resFullPath = path;
+  return true;
+}
+
+#else
+
+bool MyGetFullPathName(CFSTR path, FString &resFullPath)
+{
+  return GetFullPath(path, resFullPath);
+}
+
+bool SetCurrentDir(CFSTR path)
+{
+  // SetCurrentDirectory doesn't support \\?\ prefix
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    return BOOLToBool(::SetCurrentDirectory(fs2fas(path)));
+  }
+  else
+  #endif
+  {
+    return BOOLToBool(::SetCurrentDirectoryW(fs2us(path)));
+  }
+}
+
+bool GetCurrentDir(FString &path)
+{
+  path.Empty();
+  DWORD needLength;
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    TCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetCurrentDirectory(MAX_PATH + 1, s);
+    path = fas2fs(s);
+  }
+  else
+  #endif
+  {
+    WCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetCurrentDirectoryW(MAX_PATH + 1, s);
+    path = us2fs(s);
+  }
+  return (needLength > 0 && needLength <= MAX_PATH);
+}
+
+#endif
+
+bool GetFullPathAndSplit(CFSTR path, FString &resDirPrefix, FString &resFileName)
+{
+  bool res = MyGetFullPathName(path, resDirPrefix);
+  if (!res)
+    resDirPrefix = path;
+  int pos = resDirPrefix.ReverseFind_PathSepar();
+  resFileName = resDirPrefix.Ptr(pos + 1);
+  resDirPrefix.DeleteFrom(pos + 1);
+  return res;
+}
+
+bool GetOnlyDirPrefix(CFSTR path, FString &resDirPrefix)
+{
+  FString resFileName;
+  return GetFullPathAndSplit(path, resDirPrefix, resFileName);
+}
+
+bool MyGetTempPath(FString &path)
+{
+  path.Empty();
+  DWORD needLength;
+  #ifndef _UNICODE
+  if (!g_IsNT)
+  {
+    TCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetTempPath(MAX_PATH + 1, s);
+    path = fas2fs(s);
+  }
+  else
+  #endif
+  {
+    WCHAR s[MAX_PATH + 2];
+    s[0] = 0;
+    needLength = ::GetTempPathW(MAX_PATH + 1, s);;
+    path = us2fs(s);
+  }
+  return (needLength > 0 && needLength <= MAX_PATH);
+}
+
+static bool CreateTempFile(CFSTR prefix, bool addRandom, FString &path, NIO::COutFile *outFile)
+{
+  UInt32 d = (GetTickCount() << 12) ^ (GetCurrentThreadId() << 14) ^ GetCurrentProcessId();
+  for (unsigned i = 0; i < 100; i++)
+  {
+    path = prefix;
+    if (addRandom)
+    {
+      char s[16];
+      UInt32 val = d;
+      unsigned k;
+      for (k = 0; k < 8; k++)
+      {
+        unsigned t = val & 0xF;
+        val >>= 4;
+        s[k] = (char)((t < 10) ? ('0' + t) : ('A' + (t - 10)));
+      }
+      s[k] = '\0';
+      if (outFile)
+        path += '.';
+      path += s;
+      UInt32 step = GetTickCount() + 2;
+      if (step == 0)
+        step = 1;
+      d += step;
+    }
+    addRandom = true;
+    if (outFile)
+      path += ".tmp";
+    if (NFind::DoesFileOrDirExist(path))
+    {
+      SetLastError(ERROR_ALREADY_EXISTS);
+      continue;
+    }
+    if (outFile)
+    {
+      if (outFile->Create(path, false))
+        return true;
+    }
+    else
+    {
+      if (CreateDir(path))
+        return true;
+    }
+    DWORD error = GetLastError();
+    if (error != ERROR_FILE_EXISTS &&
+        error != ERROR_ALREADY_EXISTS)
+      break;
+  }
+  path.Empty();
+  return false;
+}
+
+bool CTempFile::Create(CFSTR prefix, NIO::COutFile *outFile)
+{
+  if (!Remove())
+    return false;
+  if (!CreateTempFile(prefix, false, _path, outFile))
+    return false;
+  _mustBeDeleted = true;
+  return true;
+}
+
+bool CTempFile::CreateRandomInTempFolder(CFSTR namePrefix, NIO::COutFile *outFile)
+{
+  if (!Remove())
+    return false;
+  FString tempPath;
+  if (!MyGetTempPath(tempPath))
+    return false;
+  if (!CreateTempFile(tempPath + namePrefix, true, _path, outFile))
+    return false;
+  _mustBeDeleted = true;
+  return true;
+}
+
+bool CTempFile::Remove()
+{
+  if (!_mustBeDeleted)
+    return true;
+  _mustBeDeleted = !DeleteFileAlways(_path);
+  return !_mustBeDeleted;
+}
+
+bool CTempFile::MoveTo(CFSTR name, bool deleteDestBefore)
+{
+  // DWORD attrib = 0;
+  if (deleteDestBefore)
+  {
+    if (NFind::DoesFileExist(name))
+    {
+      // attrib = NFind::GetFileAttrib(name);
+      if (!DeleteFileAlways(name))
+        return false;
+    }
+  }
+  DisableDeleting();
+  return MyMoveFile(_path, name);
+  
+  /*
+  if (attrib != INVALID_FILE_ATTRIBUTES && (attrib & FILE_ATTRIBUTE_READONLY))
+  {
+    DWORD attrib2 = NFind::GetFileAttrib(name);
+    if (attrib2 != INVALID_FILE_ATTRIBUTES)
+      SetFileAttrib(name, attrib2 | FILE_ATTRIBUTE_READONLY);
+  }
+  */
+}
+
+bool CTempDir::Create(CFSTR prefix)
+{
+  if (!Remove())
+    return false;
+  FString tempPath;
+  if (!MyGetTempPath(tempPath))
+    return false;
+  if (!CreateTempFile(tempPath + prefix, true, _path, NULL))
+    return false;
+  _mustBeDeleted = true;
+  return true;
+}
+
+bool CTempDir::Remove()
+{
+  if (!_mustBeDeleted)
+    return true;
+  _mustBeDeleted = !RemoveDirWithSubItems(_path);
+  return !_mustBeDeleted;
+}
+
+}}}
-- 
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