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static void SetPrivileges();
static bool ReadSacl=false;
#ifndef SFX_MODULE
void ExtractACL(Archive &Arc,char *FileName,wchar *FileNameW)
{
if (!WinNT())
return;
SetPrivileges();
if (Arc.HeaderCRC!=Arc.EAHead.HeadCRC)
{
Log(Arc.FileName,St(MACLBroken),FileName);
ErrHandler.SetErrorCode(CRC_ERROR);
return;
}
if (Arc.EAHead.Method<0x31 || Arc.EAHead.Method>0x35 || Arc.EAHead.UnpVer>PACK_VER)
{
Log(Arc.FileName,St(MACLUnknown),FileName);
ErrHandler.SetErrorCode(WARNING);
return;
}
ComprDataIO DataIO;
Unpack Unpack(&DataIO);
Unpack.Init();
Array<unsigned char> UnpData(Arc.EAHead.UnpSize);
DataIO.SetUnpackToMemory(&UnpData[0],Arc.EAHead.UnpSize);
DataIO.SetPackedSizeToRead(Arc.EAHead.DataSize);
DataIO.EnableShowProgress(false);
DataIO.SetFiles(&Arc,NULL);
Unpack.SetDestSize(Arc.EAHead.UnpSize);
Unpack.DoUnpack(Arc.EAHead.UnpVer,false);
if (Arc.EAHead.EACRC!=~DataIO.UnpFileCRC)
{
Log(Arc.FileName,St(MACLBroken),FileName);
ErrHandler.SetErrorCode(CRC_ERROR);
return;
}
SECURITY_INFORMATION si=OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|
DACL_SECURITY_INFORMATION;
if (ReadSacl)
si|=SACL_SECURITY_INFORMATION;
SECURITY_DESCRIPTOR *sd=(SECURITY_DESCRIPTOR *)&UnpData[0];
int SetCode;
if (FileNameW!=NULL)
SetCode=SetFileSecurityW(FileNameW,si,sd);
else
SetCode=SetFileSecurity(FileName,si,sd);
if (!SetCode)
{
Log(Arc.FileName,St(MACLSetError),FileName);
ErrHandler.SysErrMsg();
ErrHandler.SetErrorCode(WARNING);
}
}
#endif
void ExtractACLNew(Archive &Arc,char *FileName,wchar *FileNameW)
{
if (!WinNT())
return;
Array<byte> SubData;
if (!Arc.ReadSubData(&SubData,NULL))
return;
SetPrivileges();
SECURITY_INFORMATION si=OWNER_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|
DACL_SECURITY_INFORMATION;
if (ReadSacl)
si|=SACL_SECURITY_INFORMATION;
SECURITY_DESCRIPTOR *sd=(SECURITY_DESCRIPTOR *)&SubData[0];
int SetCode;
if (FileNameW!=NULL)
SetCode=SetFileSecurityW(FileNameW,si,sd);
else
SetCode=SetFileSecurity(FileName,si,sd);
if (!SetCode)
{
Log(Arc.FileName,St(MACLSetError),FileName);
ErrHandler.SysErrMsg();
ErrHandler.SetErrorCode(WARNING);
}
}
void SetPrivileges()
{
static bool InitDone=false;
if (InitDone)
return;
InitDone=true;
HANDLE hToken;
if(!OpenProcessToken(GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES, &hToken))
return;
TOKEN_PRIVILEGES tp;
tp.PrivilegeCount = 1;
tp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
if (LookupPrivilegeValue(NULL,SE_SECURITY_NAME,&tp.Privileges[0].Luid))
if (AdjustTokenPrivileges(hToken, FALSE, &tp, 0, NULL, NULL) &&
GetLastError() == ERROR_SUCCESS)
ReadSacl=true;
if (LookupPrivilegeValue(NULL,SE_RESTORE_NAME,&tp.Privileges[0].Luid))
AdjustTokenPrivileges(hToken, FALSE, &tp, 0, NULL, NULL);
CloseHandle(hToken);
}
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