move dll2nids to public

This commit is contained in:
Martin Baliet 2024-03-10 14:30:22 +01:00
parent bab845e51b
commit 4358d002bb
5 changed files with 245 additions and 1 deletions

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@ -56,6 +56,8 @@ link_directories(BEFORE
)
add_subdirectory(tools/logging) # include before link_libraries
add_subdirectory(tools/dll2Nids)
add_dependencies(dll2Nids third_party)
link_libraries(
logging.lib

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@ -17,6 +17,7 @@ add_compile_definitions(__APICALL_IMPORT)
FOREACH(subdir ${SUBDIRS})
ADD_SUBDIRECTORY(${subdir})
add_dependencies(${subdir} dll2Nids)
ENDFOREACH()
install(TARGETS ${SUBDIRS}

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@ -1,6 +1,6 @@
function(setupModule _Target)
add_custom_command(TARGET ${_Target} POST_BUILD
COMMAND ${CMAKE_INSTALL_PREFIX}/development/bin/dll2Nids.exe ${CMAKE_CURRENT_BINARY_DIR}/${_Target}.dll
COMMAND $<TARGET_FILE:dll2Nids> ${CMAKE_CURRENT_BINARY_DIR}/${_Target}.dll
)
add_dependencies(${_Target} logging dll2Nids)
install(FILES $<TARGET_PDB_FILE:${_Target}> DESTINATION debug OPTIONAL)

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@ -0,0 +1,19 @@
project(dll2Nids VERSION 0.0.1)
set(SRC
main.cpp
)
add_executable(dll2Nids ${SRC})
target_include_directories(dll2Nids PRIVATE
${CMAKE_SOURCE_DIR}
${CMAKE_BINARY_DIR}/third_party/install/include
)
target_link_directories(dll2Nids PRIVATE
${CMAKE_BINARY_DIR}/third_party/install/lib
)
add_dependencies(dll2Nids third_party)
target_link_libraries(dll2Nids libboost_container)

222
tools/dll2nids/main.cpp Normal file
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@ -0,0 +1,222 @@
#include <boost/uuid/detail/sha1.hpp>
#include <fstream>
#include <vector>
#include <windows.h>
std::string encode(const uint8_t* in) {
std::string out;
out.resize(12);
auto pOut = out.data();
constexpr const char* tab = {"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+-"};
for (auto n = 8 / 3; n--;) {
*pOut++ = tab[(in[0] & 0xfc) >> 2];
*pOut++ = tab[((in[0] & 0x03) << 4) + ((in[1] & 0xf0) >> 4)];
*pOut++ = tab[((in[2] & 0xc0) >> 6) + ((in[1] & 0x0f) << 2)];
*pOut++ = tab[in[2] & 0x3f];
in += 3;
}
*pOut++ = tab[(in[0] & 0xfc) >> 2];
*pOut++ = tab[((in[0] & 0x03) << 4) + ((in[1] & 0xf0) >> 4)];
*pOut++ = tab[(in[1] & 0x0f) << 2];
*pOut++ = '=';
*pOut = '\0';
return out;
}
std::string name2nid(std::string_view name) {
boost::uuids::detail::sha1 sha1;
sha1.process_bytes((unsigned char*)name.data(), name.size());
sha1.process_bytes("\x51\x8d\x64\xa6\x35\xde\xd8\xc1\xE6\xB0\x39\xB1\xC3\xE5\x52\x30", 16);
unsigned hash[5];
sha1.get_digest(hash);
uint64_t const digest = ((uint64_t)hash[0] << 32u) | hash[1];
return encode((uint8_t*)&digest);
}
std::string hexId2nid(std::string_view hexId) {
union bytes {
uint8_t c[8];
uint64_t l;
} dst, src;
uint64_t hash = strtoull(hexId.data(), 0, 16);
src.l = hash;
// big <-> little conversion
dst.c[0] = src.c[7];
dst.c[1] = src.c[6];
dst.c[2] = src.c[5];
dst.c[3] = src.c[4];
dst.c[4] = src.c[3];
dst.c[5] = src.c[2];
dst.c[6] = src.c[1];
dst.c[7] = src.c[0];
return encode(dst.c);
}
int main(int argc, char* argv[]) {
std::ifstream file;
file.open(argv[1], std::ios::binary);
if (file.fail()) {
printf("Couldn't read %s\n", argv[1]);
return -1;
}
// Read DOS HEADER
_IMAGE_DOS_HEADER imageDosHeader;
if (file.read((char*)&imageDosHeader, sizeof(_IMAGE_DOS_HEADER)).fail()) {
printf("Couldn't read dos header\n");
return -2;
}
if (imageDosHeader.e_magic != IMAGE_DOS_SIGNATURE) {
printf("File has no DOS Header\n");
return -1;
}
// Read NT HEADER
_IMAGE_NT_HEADERS imageNtHeaders;
file.seekg(imageDosHeader.e_lfanew);
if (file.read((char*)&imageNtHeaders, sizeof(_IMAGE_NT_HEADERS)).fail()) {
printf("Couldn't read NT header\n");
return -2;
}
// Read sections -> find .rdata base in file
int64_t vaddr_rdata = 0;
uint64_t paddr_rdata = 0;
std::vector<uint8_t> rdata;
auto const numSections = imageNtHeaders.FileHeader.NumberOfSections;
{
int64_t curOffset = imageDosHeader.e_lfanew + sizeof(_IMAGE_NT_HEADERS) + 16;
file.seekg(curOffset, std::ios_base::beg);
}
for (size_t n = 0; n < numSections; ++n) {
_IMAGE_SECTION_HEADER header;
if (file.read((char*)&header, IMAGE_SIZEOF_SECTION_HEADER).fail()) {
printf("Couldn't read NT header\n");
return -2;
}
if (std::string((char*)header.Name) == ".rdata") {
vaddr_rdata = header.VirtualAddress;
paddr_rdata = header.PointerToRawData;
rdata.resize(header.SizeOfRawData);
file.seekg(paddr_rdata, std::ios_base::beg);
if (file.read((char*)rdata.data(), rdata.size()).fail()) {
printf("Couldn't read rdata header\n");
return -2;
}
break;
}
}
if (vaddr_rdata == 0) {
printf("Couldn't find .rdata\n");
return -2;
}
// -
// Additional Header
PIMAGE_OPTIONAL_HEADER imageOptionalHeader = (PIMAGE_OPTIONAL_HEADER)&imageNtHeaders.OptionalHeader;
PIMAGE_DATA_DIRECTORY imageExportDataDirectory = &(imageOptionalHeader->DataDirectory[IMAGE_DIRECTORY_ENTRY_EXPORT]);
PIMAGE_EXPORT_DIRECTORY imageExportDirectory = (PIMAGE_EXPORT_DIRECTORY)(rdata.data() + imageExportDataDirectory->VirtualAddress - vaddr_rdata);
DWORD numNames = imageExportDirectory->NumberOfNames;
PDWORD exportNamePointerTable = (PDWORD)(rdata.data() + imageExportDirectory->AddressOfNames - vaddr_rdata);
PDWORD exportAddressTable = (PDWORD)(rdata.data() + imageExportDirectory->AddressOfFunctions - vaddr_rdata);
// -
// ### Read all symbol names, make nids, store with new offset
// Read all and change to nids
std::vector<std::string> symbols(numNames);
bool hasModuleName = false;
for (size_t n = 0; n < numNames; n++) {
auto name = std::string_view((const char*)(rdata.data() + exportNamePointerTable[n] - vaddr_rdata));
// Handle mangled name
if (name.starts_with('?')) {
name = name.substr(1, name.find_first_of('@') - 1);
}
// -
if (name.starts_with("sce") || name.starts_with("_sce")) {
// Change to nids
symbols[n] = name2nid(name);
} else if (name.starts_with("__hex_")) {
// Change to nids
symbols[n] = hexId2nid(name.substr(6));
} else if (name.starts_with("__sce_")) {
// Change to nids
symbols[n] = name2nid(name.substr(6));
} else {
symbols[n] = std::string(name);
if (!hasModuleName && name == "MODULE_NAME") {
hasModuleName = true;
}
}
}
if (!hasModuleName) {
printf("MODULE_NAME not found\n");
return -2;
}
const char* tableEndAddr = 0;
{
auto name = std::string_view((const char*)(rdata.data() + exportNamePointerTable[numNames - 1] - vaddr_rdata));
tableEndAddr = name.data() + name.size();
}
// Store
DWORD curOffset = exportNamePointerTable[0] - vaddr_rdata;
for (size_t n = 0; n < numNames; n++) {
// Create new offsets
exportNamePointerTable[n] = curOffset + vaddr_rdata;
// store name
auto pDest = (char*)(rdata.data() + curOffset);
memcpy(pDest, symbols[n].data(), 1 + symbols[n].size());
curOffset += 1 + symbols[n].size();
}
if ((char*)rdata.data() + curOffset > tableEndAddr) {
size_t const diff = ((char*)rdata.data() + curOffset) - tableEndAddr;
printf("New Table is > old by %llu\nSimply add a dummy function", diff);
return -2;
}
for (char* begin = (char*)rdata.data() + curOffset; begin < tableEndAddr; ++begin) {
*begin = 0;
}
std::fstream outFile;
outFile.open(argv[1], std::ios::out | std::ios::in | std::ios::binary);
if (outFile.fail()) {
printf("Couldn't open file for out, %s\n", argv[1]);
return -1;
}
outFile.seekp(paddr_rdata, std::ios_base::beg);
if (outFile.write((char*)rdata.data(), rdata.size()).fail()) {
printf("Couldn't write data\n");
return -2;
}
return 0;
}