enderice2/Fennix
1
0
Fork 0
mirror of https://github.com/EnderIce2/Fennix.git synced 2025-07-17 18:21:43 +00:00
Code Issues Actions Releases Wiki Activity

Merge remote-tracking branch 'Kernel/multiboot2_64' into Kernel-multiboot2_64

Browse Source
This commit is contained in:
EnderIce2
2024-11-20 05:17:14 +02:00
parent c4e458fcc6 1a3bdbb843
commit eb154e337a
291 changed files with 54773 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

83
Kernel/Execute/Parse.cpp Normal file
View File

@@ -0,0 +1,83 @@
#include <exec.hpp>
#include <msexec.h>
#include "../kernel.h"
#include "../Fex.hpp"
namespace Execute
{
BinaryType GetBinaryType(void *Image)
{
Fex *FexHdr = (Fex *)Image;
/* Elf64_Ehdr and Elf32_Ehdr are very similar (Elf64_Half and
Elf32_Half are the same size type) so we can use directly Elf64_Ehdr. */
Elf64_Ehdr *ELFHeader = (Elf64_Ehdr *)Image;
IMAGE_DOS_HEADER *MZHeader = (IMAGE_DOS_HEADER *)Image;
/* Check Fex magic */
if (FexHdr->Magic[0] == 'F' && FexHdr->Magic[1] == 'E' && FexHdr->Magic[2] == 'X' && FexHdr->Magic[3] == '\0')
{
/* If the fex type is driver, we shouldn't return as Fex. */
if (FexHdr->Type == FexFormatType::FexFormatType_Executable)
{
debug("Image - Fex");
return BinaryType::BinTypeFex;
}
else if (FexHdr->Type == FexFormatType::FexFormatType_Driver)
debug("Fex Driver is not supposed to be executed.");
}
/* Check ELF magic. */
else 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");
return BinaryType::BinTypeELF;
}
/* Every Windows executable starts with MZ header. */
else if (MZHeader->e_magic == IMAGE_DOS_SIGNATURE)
{
IMAGE_NT_HEADERS *PEHeader = (IMAGE_NT_HEADERS *)(((char *)Image) + MZHeader->e_lfanew);
IMAGE_OS2_HEADER *NEHeader = (IMAGE_OS2_HEADER *)(((char *)Image) + MZHeader->e_lfanew);
/* TODO: LE, EDOS */
if (PEHeader->Signature == IMAGE_NT_SIGNATURE)
{
debug("Image - PE");
return BinaryType::BinTypePE;
}
else if (NEHeader->ne_magic == IMAGE_OS2_SIGNATURE)
{
debug("Image - NE");
return BinaryType::BinTypeNE;
}
else
{
debug("Image - MZ");
return BinaryType::BinTypeMZ;
}
}
/* ... */
return BinaryType::BinTypeUnknown;
}
BinaryType GetBinaryType(char *Path)
{
BinaryType Type = BinaryType::BinTypeInvalid;
shared_ptr<VirtualFileSystem::File> ExFile = vfs->Open(Path);
if (ExFile->Status == VirtualFileSystem::FileStatus::OK)
{
debug("File opened: %s", Path);
Type = GetBinaryType((void *)ExFile->node->Address);
}
vfs->Close(ExFile);
return Type;
}
}