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Merge remote-tracking branch 'Kernel/master'

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EnderIce2
2024-11-20 05:00:33 +02:00
parent 93d408e0af 19f2a78d35
commit 682c84b2af
468 changed files with 112800 additions and 1 deletions
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107
Kernel/exec/binary_parse.cpp Normal file
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/*
This file is part of Fennix Kernel.
Fennix Kernel 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.
Fennix Kernel 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 Fennix Kernel. If not, see <https://www.gnu.org/licenses/>.
*/
#include <exec.hpp>
#include <msexec.h>
#include <macho.h>
#include <memory>
#include "../kernel.h"
namespace Execute
{
BinaryType GetBinaryType(FileNode *Node)
{
debug("Checking binary type of %s", Node->Path.c_str());
BinaryType Type;
if (Node == nullptr)
ReturnLogError((BinaryType)-ENOENT, "Node is null");
Elf32_Ehdr ELFHeader;
Node->Read(&ELFHeader, sizeof(Elf32_Ehdr), 0);
mach_header MachHeader;
Node->Read(&MachHeader, sizeof(mach_header), 0);
IMAGE_DOS_HEADER MZHeader;
Node->Read(&MZHeader, sizeof(IMAGE_DOS_HEADER), 0);
/* Check ELF header. */
if (ELFHeader.e_ident[EI_MAG0] == ELFMAG0 &&
ELFHeader.e_ident[EI_MAG1] == ELFMAG1 &&
ELFHeader.e_ident[EI_MAG2] == ELFMAG2 &&
ELFHeader.e_ident[EI_MAG3] == ELFMAG3)
{
debug("Image - ELF");
Type = BinaryType::BinTypeELF;
goto Success;
}
if (MachHeader.magic == MH_MAGIC || MachHeader.magic == MH_CIGAM)
{
debug("Image - Mach-O");
Type = BinaryType::BinTypeMachO;
goto Success;
}
/* Check MZ header. */
else if (MZHeader.e_magic == IMAGE_DOS_SIGNATURE)
{
IMAGE_NT_HEADERS PEHeader;
Node->Read(&PEHeader, sizeof(IMAGE_NT_HEADERS), MZHeader.e_lfanew);
IMAGE_OS2_HEADER NEHeader;
Node->Read(&NEHeader, sizeof(IMAGE_OS2_HEADER), MZHeader.e_lfanew);
/* TODO: LE, EDOS */
if (PEHeader.Signature == IMAGE_NT_SIGNATURE)
{
debug("Image - PE");
Type = BinaryType::BinTypePE;
goto Success;
}
else if (NEHeader.ne_magic == IMAGE_OS2_SIGNATURE)
{
debug("Image - NE");
Type = BinaryType::BinTypeNE;
goto Success;
}
else
{
debug("Image - MZ");
Type = BinaryType::BinTypeMZ;
goto Success;
}
}
/* ... */
Type = BinaryType::BinTypeUnknown;
Success:
return Type;
}
BinaryType GetBinaryType(std::string Path)
{
FileNode *node = fs->GetByPath(Path.c_str(), nullptr);
debug("Checking binary type of %s (returning %p)", Path.c_str(), node);
assert(node != nullptr);
return GetBinaryType(node);
}
}