mirror of
https://foundry.openuru.org/gitblit/r/CWE-ou-minkata.git
synced 2025-07-19 19:59:09 +00:00
Hoist MOULOpenSourceClientPlugin/Plasma20/* to top level
to match H'uru layout and make patching/cherry-picking easier.
This commit is contained in:
rarified
640
Sources/Plasma/PubUtilLib/plFile/plSecureStream.cpp
Normal file
640
Sources/Plasma/PubUtilLib/plFile/plSecureStream.cpp
Normal file
@ -0,0 +1,640 @@
|
||||
/*==LICENSE==*
|
||||
|
||||
CyanWorlds.com Engine - MMOG client, server and tools
|
||||
Copyright (C) 2011 Cyan Worlds, Inc.
|
||||
|
||||
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/>.
|
||||
|
||||
Additional permissions under GNU GPL version 3 section 7
|
||||
|
||||
If you modify this Program, or any covered work, by linking or
|
||||
combining it with any of RAD Game Tools Bink SDK, Autodesk 3ds Max SDK,
|
||||
NVIDIA PhysX SDK, Microsoft DirectX SDK, OpenSSL library, Independent
|
||||
JPEG Group JPEG library, Microsoft Windows Media SDK, or Apple QuickTime SDK
|
||||
(or a modified version of those libraries),
|
||||
containing parts covered by the terms of the Bink SDK EULA, 3ds Max EULA,
|
||||
PhysX SDK EULA, DirectX SDK EULA, OpenSSL and SSLeay licenses, IJG
|
||||
JPEG Library README, Windows Media SDK EULA, or QuickTime SDK EULA, the
|
||||
licensors of this Program grant you additional
|
||||
permission to convey the resulting work. Corresponding Source for a
|
||||
non-source form of such a combination shall include the source code for
|
||||
the parts of OpenSSL and IJG JPEG Library used as well as that of the covered
|
||||
work.
|
||||
|
||||
You can contact Cyan Worlds, Inc. by email legal@cyan.com
|
||||
or by snail mail at:
|
||||
Cyan Worlds, Inc.
|
||||
14617 N Newport Hwy
|
||||
Mead, WA 99021
|
||||
|
||||
*==LICENSE==*/
|
||||
#include "plSecureStream.h"
|
||||
#include "hsUtils.h"
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||||
#include "plFileUtils.h"
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||||
#include "hsSTLStream.h"
|
||||
|
||||
#include <time.h>
|
||||
|
||||
// our default encryption key
|
||||
const UInt32 plSecureStream::kDefaultKey[4] = { 0x6c0a5452, 0x3827d0f, 0x3a170b92, 0x16db7fc2 };
|
||||
|
||||
static const int kEncryptChunkSize = 8;
|
||||
|
||||
static const char* kMagicString = "notthedroids";
|
||||
static const int kMagicStringLen = 12;
|
||||
|
||||
static const int kFileStartOffset = kMagicStringLen + sizeof(UInt32);
|
||||
|
||||
static const int kMaxBufferedFileSize = 10*1024;
|
||||
|
||||
plSecureStream::plSecureStream(hsBool deleteOnExit, UInt32* key) :
|
||||
fRef(INVALID_HANDLE_VALUE),
|
||||
fActualFileSize(0),
|
||||
fBufferedStream(false),
|
||||
fRAMStream(nil),
|
||||
fWriteFileName(nil),
|
||||
fOpenMode(kOpenFail),
|
||||
fDeleteOnExit(deleteOnExit)
|
||||
{
|
||||
if (key)
|
||||
memcpy(&fKey, key, sizeof(kDefaultKey));
|
||||
else
|
||||
memcpy(&fKey, &kDefaultKey, sizeof(kDefaultKey));
|
||||
}
|
||||
|
||||
plSecureStream::~plSecureStream()
|
||||
{
|
||||
}
|
||||
|
||||
//
|
||||
// XXTEA
|
||||
// http://www-users.cs.york.ac.uk/~matthew/TEA/
|
||||
//
|
||||
// A potential weakness in this implementation is the fact that a known value
|
||||
// (length of the original file) is written at the start of the encrypted file. -Colin
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||||
//
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||||
|
||||
#define MX (z>>5 ^ y<<2) + (y>>3 ^ z<<4) ^ (sum^y) + (fKey[p&3^e]^z)
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|
||||
void plSecureStream::IEncipher(UInt32* const v, UInt32 n)
|
||||
{
|
||||
register unsigned long y=v[0], z=v[n-1], e, delta=0x9E3779B9;
|
||||
register unsigned long q = 6 + 52/n, p, sum = 0;
|
||||
|
||||
while (q-- > 0)
|
||||
{
|
||||
sum += delta;
|
||||
e = (sum >> 2) & 3;
|
||||
for (p = 0; p < n - 1; p++)
|
||||
{
|
||||
y = v[p + 1];
|
||||
v[p] += MX;
|
||||
z = v[p];
|
||||
}
|
||||
y = v[0];
|
||||
v[n - 1] += MX;
|
||||
z = v[n - 1];
|
||||
}
|
||||
}
|
||||
|
||||
void plSecureStream::IDecipher(UInt32* const v, UInt32 n)
|
||||
{
|
||||
register unsigned long y=v[0], z=v[n-1], e, delta=0x9E3779B9;
|
||||
register unsigned long q = 6 + 52/n, p, sum = q * delta;
|
||||
|
||||
while (sum > 0)
|
||||
{
|
||||
e = (sum >> 2) & 3;
|
||||
for (p = n - 1; p > 0; p--)
|
||||
{
|
||||
z = v[p - 1];
|
||||
v[p] -= MX;
|
||||
y = v[p];
|
||||
}
|
||||
z = v[n - 1];
|
||||
v[0] -= MX;
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||||
y = v[0];
|
||||
sum -= delta;
|
||||
}
|
||||
}
|
||||
|
||||
hsBool plSecureStream::Open(const char* name, const char* mode)
|
||||
{
|
||||
wchar* wName = hsStringToWString(name);
|
||||
wchar* wMode = hsStringToWString(mode);
|
||||
hsBool ret = Open(wName, wMode);
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delete [] wName;
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||||
delete [] wMode;
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||||
return ret;
|
||||
}
|
||||
|
||||
hsBool plSecureStream::Open(const wchar* name, const wchar* mode)
|
||||
{
|
||||
if (wcscmp(mode, L"rb") == 0)
|
||||
{
|
||||
if (fDeleteOnExit)
|
||||
{
|
||||
fRef = CreateFileW(name,
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GENERIC_READ, // open for reading
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0, // no one can open the file until we're done
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||||
NULL, // default security
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||||
OPEN_EXISTING, // only open existing files (no creation)
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||||
FILE_FLAG_DELETE_ON_CLOSE, // delete the file from disk when we close the handle
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||||
NULL); // no template
|
||||
}
|
||||
else
|
||||
{
|
||||
fRef = CreateFileW(name,
|
||||
GENERIC_READ, // open for reading
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||||
0, // no one can open the file until we're done
|
||||
NULL, // default security
|
||||
OPEN_EXISTING, // only open existing files (no creation)
|
||||
FILE_ATTRIBUTE_NORMAL, // normal file attributes
|
||||
NULL); // no template
|
||||
}
|
||||
|
||||
fPosition = 0;
|
||||
|
||||
if (fRef == INVALID_HANDLE_VALUE)
|
||||
return false;
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||||
|
||||
// Make sure our special magic string is there
|
||||
if (!ICheckMagicString(fRef))
|
||||
{
|
||||
CloseHandle(fRef);
|
||||
fRef = INVALID_HANDLE_VALUE;
|
||||
return false;
|
||||
}
|
||||
|
||||
DWORD numBytesRead;
|
||||
ReadFile(fRef, &fActualFileSize, sizeof(UInt32), &numBytesRead, NULL);
|
||||
|
||||
// The encrypted stream is inefficient if you do reads smaller than
|
||||
// 8 bytes. Since we do a lot of those, any file under a size threshold
|
||||
// is buffered in memory
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||||
if (fActualFileSize <= kMaxBufferedFileSize)
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||||
IBufferFile();
|
||||
|
||||
fOpenMode = kOpenRead;
|
||||
|
||||
return true;
|
||||
}
|
||||
else if (wcscmp(mode, L"wb") == 0)
|
||||
{
|
||||
fRAMStream = TRACKED_NEW hsVectorStream;
|
||||
fWriteFileName = TRACKED_NEW wchar[wcslen(name) + 1];
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||||
wcscpy(fWriteFileName, name);
|
||||
fPosition = 0;
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||||
|
||||
fOpenMode = kOpenWrite;
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||||
fBufferedStream = true;
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||||
|
||||
return true;
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||||
}
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||||
else
|
||||
{
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||||
hsAssert(0, "Unsupported open mode");
|
||||
fOpenMode = kOpenFail;
|
||||
return false;
|
||||
}
|
||||
}
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||||
|
||||
hsBool plSecureStream::Close()
|
||||
{
|
||||
int rtn = false;
|
||||
|
||||
if (fOpenMode == kOpenWrite)
|
||||
{
|
||||
fRAMStream->Rewind();
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||||
rtn = IWriteEncrypted(fRAMStream, fWriteFileName);
|
||||
}
|
||||
if (fRef != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
rtn = CloseHandle(fRef);
|
||||
fRef = INVALID_HANDLE_VALUE;
|
||||
}
|
||||
|
||||
if (fRAMStream)
|
||||
{
|
||||
delete fRAMStream;
|
||||
fRAMStream = nil;
|
||||
}
|
||||
|
||||
if (fWriteFileName)
|
||||
{
|
||||
delete [] fWriteFileName;
|
||||
fWriteFileName = nil;
|
||||
}
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||||
|
||||
fActualFileSize = 0;
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||||
fBufferedStream = false;
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||||
fOpenMode = kOpenFail;
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return rtn;
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||||
}
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||||
|
||||
UInt32 plSecureStream::IRead(UInt32 bytes, void* buffer)
|
||||
{
|
||||
if (fRef == INVALID_HANDLE_VALUE)
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||||
return 0;
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||||
DWORD numItems;
|
||||
bool success = (ReadFile(fRef, buffer, bytes, &numItems, NULL) != 0);
|
||||
fBytesRead += numItems;
|
||||
fPosition += numItems;
|
||||
if ((unsigned)numItems < bytes)
|
||||
{
|
||||
if (success)
|
||||
{
|
||||
// EOF ocurred
|
||||
char str[128];
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sprintf(str, "Hit EOF on Windows read, only read %d out of requested %d bytes\n", numItems, bytes);
|
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hsDebugMessage(str, 0);
|
||||
}
|
||||
else
|
||||
{
|
||||
hsDebugMessage("Error on Windows read", GetLastError());
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||||
}
|
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}
|
||||
return numItems;
|
||||
}
|
||||
|
||||
void plSecureStream::IBufferFile()
|
||||
{
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||||
fRAMStream = TRACKED_NEW hsVectorStream;
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||||
char buf[1024];
|
||||
while (!AtEnd())
|
||||
{
|
||||
UInt32 numRead = Read(1024, buf);
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||||
fRAMStream->Write(numRead, buf);
|
||||
}
|
||||
fRAMStream->Rewind();
|
||||
|
||||
fBufferedStream = true;
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||||
CloseHandle(fRef);
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fRef = INVALID_HANDLE_VALUE;
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fPosition = 0;
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||||
}
|
||||
|
||||
hsBool plSecureStream::AtEnd()
|
||||
{
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||||
if (fBufferedStream)
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||||
return fRAMStream->AtEnd();
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else
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||||
return (GetPosition() == fActualFileSize);
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||||
}
|
||||
|
||||
void plSecureStream::Skip(UInt32 delta)
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||||
{
|
||||
if (fBufferedStream)
|
||||
{
|
||||
fRAMStream->Skip(delta);
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||||
fPosition = fRAMStream->GetPosition();
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||||
}
|
||||
else if (fRef != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
fBytesRead += delta;
|
||||
fPosition += delta;
|
||||
SetFilePointer(fRef, delta, 0, FILE_CURRENT);
|
||||
}
|
||||
}
|
||||
|
||||
void plSecureStream::Rewind()
|
||||
{
|
||||
if (fBufferedStream)
|
||||
{
|
||||
fRAMStream->Rewind();
|
||||
fPosition = fRAMStream->GetPosition();
|
||||
}
|
||||
else if (fRef != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
fBytesRead = 0;
|
||||
fPosition = 0;
|
||||
SetFilePointer(fRef, kFileStartOffset, 0, FILE_BEGIN);
|
||||
}
|
||||
}
|
||||
|
||||
void plSecureStream::FastFwd()
|
||||
{
|
||||
if (fBufferedStream)
|
||||
{
|
||||
fRAMStream->FastFwd();
|
||||
fPosition = fRAMStream->GetPosition();
|
||||
}
|
||||
else if (fRef != INVALID_HANDLE_VALUE)
|
||||
{
|
||||
fBytesRead = fPosition = SetFilePointer(fRef, kFileStartOffset + fActualFileSize, 0, FILE_BEGIN);
|
||||
}
|
||||
}
|
||||
|
||||
UInt32 plSecureStream::GetEOF()
|
||||
{
|
||||
return fActualFileSize;
|
||||
}
|
||||
|
||||
UInt32 plSecureStream::Read(UInt32 bytes, void* buffer)
|
||||
{
|
||||
if (fBufferedStream)
|
||||
{
|
||||
UInt32 numRead = fRAMStream->Read(bytes, buffer);
|
||||
fPosition = fRAMStream->GetPosition();
|
||||
return numRead;
|
||||
}
|
||||
|
||||
UInt32 startPos = fPosition;
|
||||
|
||||
// Offset into the first buffer (0 if we are aligned on a chunk, which means no extra block read)
|
||||
UInt32 startChunkPos = startPos % kEncryptChunkSize;
|
||||
// Amount of data in the partial first chunk (0 if we're aligned)
|
||||
UInt32 startAmt = (startChunkPos != 0) ? hsMinimum(kEncryptChunkSize - startChunkPos, bytes) : 0;
|
||||
|
||||
UInt32 totalNumRead = IRead(bytes, buffer);
|
||||
|
||||
UInt32 numMidChunks = (totalNumRead - startAmt) / kEncryptChunkSize;
|
||||
UInt32 endAmt = (totalNumRead - startAmt) % kEncryptChunkSize;
|
||||
|
||||
// If the start position is in the middle of a chunk we need to rewind and
|
||||
// read that whole chunk in and decrypt it.
|
||||
if (startChunkPos != 0)
|
||||
{
|
||||
// Move to the start of this chunk
|
||||
SetPosition(startPos-startChunkPos);
|
||||
|
||||
// Read in the chunk and decrypt it
|
||||
char buf[kEncryptChunkSize];
|
||||
UInt32 numRead = IRead(kEncryptChunkSize, &buf);
|
||||
IDecipher((UInt32*)&buf, kEncryptChunkSize / sizeof(UInt32));
|
||||
|
||||
// Copy the relevant portion to the output buffer
|
||||
memcpy(buffer, &buf[startChunkPos], startAmt);
|
||||
|
||||
SetPosition(startPos+totalNumRead);
|
||||
}
|
||||
|
||||
if (numMidChunks != 0)
|
||||
{
|
||||
UInt32* bufferPos = (UInt32*)(((char*)buffer)+startAmt);
|
||||
for (int i = 0; i < numMidChunks; i++)
|
||||
{
|
||||
// Decrypt chunk
|
||||
IDecipher(bufferPos, kEncryptChunkSize / sizeof(UInt32));
|
||||
bufferPos += (kEncryptChunkSize / sizeof(UInt32));
|
||||
}
|
||||
}
|
||||
|
||||
if (endAmt != 0)
|
||||
{
|
||||
// Read in the final chunk and decrypt it
|
||||
char buf[kEncryptChunkSize];
|
||||
SetPosition(startPos + startAmt + numMidChunks*kEncryptChunkSize);
|
||||
UInt32 numRead = IRead(kEncryptChunkSize, &buf);
|
||||
IDecipher((UInt32*)&buf, kEncryptChunkSize / sizeof(UInt32));
|
||||
|
||||
memcpy(((char*)buffer)+totalNumRead-endAmt, &buf, endAmt);
|
||||
|
||||
SetPosition(startPos+totalNumRead);
|
||||
}
|
||||
|
||||
// If we read into the padding at the end, update the total read to not include that
|
||||
if (totalNumRead > 0 && startPos + totalNumRead > fActualFileSize)
|
||||
{
|
||||
totalNumRead -= (startPos + totalNumRead) - fActualFileSize;
|
||||
SetPosition(fActualFileSize);
|
||||
}
|
||||
|
||||
return totalNumRead;
|
||||
}
|
||||
|
||||
UInt32 plSecureStream::Write(UInt32 bytes, const void* buffer)
|
||||
{
|
||||
if (fOpenMode != kOpenWrite)
|
||||
{
|
||||
hsAssert(0, "Trying to write to a read stream");
|
||||
return 0;
|
||||
}
|
||||
|
||||
return fRAMStream->Write(bytes, buffer);
|
||||
}
|
||||
|
||||
bool plSecureStream::IWriteEncrypted(hsStream* sourceStream, const wchar* outputFile)
|
||||
{
|
||||
hsUNIXStream outputStream;
|
||||
|
||||
if (!outputStream.Open(outputFile, L"wb"))
|
||||
return false;
|
||||
|
||||
outputStream.Write(kMagicStringLen, kMagicString);
|
||||
|
||||
// Save some space to write the file size at the end
|
||||
outputStream.WriteSwap32(0);
|
||||
|
||||
// Write out all the full size encrypted blocks we can
|
||||
char buf[kEncryptChunkSize];
|
||||
UInt32 amtRead;
|
||||
while ((amtRead = sourceStream->Read(kEncryptChunkSize, &buf)) == kEncryptChunkSize)
|
||||
{
|
||||
IEncipher((UInt32*)&buf, kEncryptChunkSize / sizeof(UInt32));
|
||||
outputStream.Write(kEncryptChunkSize, &buf);
|
||||
}
|
||||
|
||||
// Pad with random data and write out the final partial block, if there is one
|
||||
if (amtRead > 0)
|
||||
{
|
||||
static bool seededRand = false;
|
||||
if (!seededRand)
|
||||
{
|
||||
seededRand = true;
|
||||
srand((unsigned int)time(nil));
|
||||
}
|
||||
|
||||
for (int i = amtRead; i < kEncryptChunkSize; i++)
|
||||
buf[i] = rand();
|
||||
|
||||
IEncipher((UInt32*)&buf, kEncryptChunkSize / sizeof(UInt32));
|
||||
|
||||
outputStream.Write(kEncryptChunkSize, &buf);
|
||||
}
|
||||
|
||||
// Write the original file size at the start
|
||||
UInt32 actualSize = sourceStream->GetPosition();
|
||||
outputStream.Rewind();
|
||||
outputStream.Skip(kMagicStringLen);
|
||||
outputStream.WriteSwap32(actualSize);
|
||||
|
||||
outputStream.Close();
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool plSecureStream::FileEncrypt(const char* fileName, UInt32* key /* = nil */)
|
||||
{
|
||||
wchar* wFilename = hsStringToWString(fileName);
|
||||
bool ret = FileEncrypt(wFilename, key);
|
||||
delete [] wFilename;
|
||||
return ret;
|
||||
}
|
||||
|
||||
bool plSecureStream::FileEncrypt(const wchar* fileName, UInt32* key /* = nil */)
|
||||
{
|
||||
hsUNIXStream sIn;
|
||||
if (!sIn.Open(fileName))
|
||||
return false;
|
||||
|
||||
// Don't double encrypt any files
|
||||
if (ICheckMagicString(sIn.GetFILE()))
|
||||
{
|
||||
sIn.Close();
|
||||
return true;
|
||||
}
|
||||
sIn.Rewind();
|
||||
|
||||
plSecureStream sOut(false, key);
|
||||
bool wroteEncrypted = sOut.IWriteEncrypted(&sIn, L"crypt.dat");
|
||||
|
||||
sIn.Close();
|
||||
sOut.Close();
|
||||
|
||||
if (wroteEncrypted)
|
||||
{
|
||||
plFileUtils::RemoveFile(fileName);
|
||||
plFileUtils::FileMove(L"crypt.dat", fileName);
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool plSecureStream::FileDecrypt(const char* fileName, UInt32* key /* = nil */)
|
||||
{
|
||||
wchar* wFilename = hsStringToWString(fileName);
|
||||
bool ret = FileDecrypt(wFilename, key);
|
||||
delete [] wFilename;
|
||||
return ret;
|
||||
}
|
||||
|
||||
bool plSecureStream::FileDecrypt(const wchar* fileName, UInt32* key /* = nil */)
|
||||
{
|
||||
plSecureStream sIn(false, key);
|
||||
if (!sIn.Open(fileName))
|
||||
return false;
|
||||
|
||||
hsUNIXStream sOut;
|
||||
if (!sOut.Open(L"crypt.dat", L"wb"))
|
||||
{
|
||||
sIn.Close();
|
||||
return false;
|
||||
}
|
||||
|
||||
char buf[1024];
|
||||
|
||||
while (!sIn.AtEnd())
|
||||
{
|
||||
UInt32 numRead = sIn.Read(sizeof(buf), buf);
|
||||
sOut.Write(numRead, buf);
|
||||
}
|
||||
|
||||
sIn.Close();
|
||||
sOut.Close();
|
||||
|
||||
plFileUtils::RemoveFile(fileName);
|
||||
plFileUtils::FileMove(L"crypt.dat", fileName);
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
bool plSecureStream::ICheckMagicString(HANDLE fp)
|
||||
{
|
||||
char magicString[kMagicStringLen+1];
|
||||
DWORD numBytesRead;
|
||||
ReadFile(fp, &magicString, kMagicStringLen, &numBytesRead, NULL);
|
||||
magicString[kMagicStringLen] = '\0';
|
||||
return (hsStrEQ(magicString, kMagicString) != 0);
|
||||
}
|
||||
|
||||
bool plSecureStream::IsSecureFile(const char* fileName)
|
||||
{
|
||||
wchar* wFilename = hsStringToWString(fileName);
|
||||
bool ret = IsSecureFile(wFilename);
|
||||
delete [] wFilename;
|
||||
return ret;
|
||||
}
|
||||
|
||||
bool plSecureStream::IsSecureFile(const wchar* fileName)
|
||||
{
|
||||
HANDLE fp = INVALID_HANDLE_VALUE;
|
||||
fp = CreateFileW(fileName,
|
||||
GENERIC_READ, // open for reading
|
||||
0, // no one can open the file until we're done
|
||||
NULL, // default security
|
||||
OPEN_EXISTING, // only open existing files (no creation)
|
||||
FILE_ATTRIBUTE_NORMAL, // normal file attributes
|
||||
NULL); // no template
|
||||
|
||||
if (fp == INVALID_HANDLE_VALUE)
|
||||
return false;
|
||||
|
||||
bool isEncrypted = ICheckMagicString(fp);
|
||||
|
||||
CloseHandle(fp);
|
||||
|
||||
return isEncrypted;
|
||||
}
|
||||
|
||||
hsStream* plSecureStream::OpenSecureFile(const char* fileName, const UInt32 flags /* = kRequireEncryption */, UInt32* key /* = nil */)
|
||||
{
|
||||
wchar* wFilename = hsStringToWString(fileName);
|
||||
hsStream* ret = OpenSecureFile(wFilename, flags, key);
|
||||
delete [] wFilename;
|
||||
return ret;
|
||||
}
|
||||
|
||||
hsStream* plSecureStream::OpenSecureFile(const wchar* fileName, const UInt32 flags /* = kRequireEncryption */, UInt32* key /* = nil */)
|
||||
{
|
||||
bool requireEncryption = flags & kRequireEncryption;
|
||||
#ifndef PLASMA_EXTERNAL_RELEASE
|
||||
requireEncryption = false;
|
||||
#endif
|
||||
|
||||
hsBool deleteOnExit = flags & kDeleteOnExit;
|
||||
bool isEncrypted = IsSecureFile(fileName);
|
||||
|
||||
hsStream* s = nil;
|
||||
if (isEncrypted)
|
||||
s = TRACKED_NEW plSecureStream(deleteOnExit, key);
|
||||
else if (!requireEncryption) // If this isn't an external release, let them use unencrypted data
|
||||
s = TRACKED_NEW hsUNIXStream;
|
||||
|
||||
if (s)
|
||||
s->Open(fileName, L"rb");
|
||||
return s;
|
||||
}
|
||||
|
||||
hsStream* plSecureStream::OpenSecureFileWrite(const char* fileName, UInt32* key /* = nil */)
|
||||
{
|
||||
wchar* wFilename = hsStringToWString(fileName);
|
||||
hsStream* ret = OpenSecureFileWrite(wFilename, key);
|
||||
delete [] wFilename;
|
||||
return ret;
|
||||
}
|
||||
|
||||
hsStream* plSecureStream::OpenSecureFileWrite(const wchar* fileName, UInt32* key /* = nil */)
|
||||
{
|
||||
hsStream* s = nil;
|
||||
#ifdef PLASMA_EXTERNAL_RELEASE
|
||||
s = TRACKED_NEW plSecureStream(false, key);
|
||||
#else
|
||||
s = TRACKED_NEW hsUNIXStream;
|
||||
#endif
|
||||
|
||||
s->Open(fileName, L"wb");
|
||||
return s;
|
||||
}
|
||||
Reference in New Issue
Block a user