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-rw-r--r--bruiser/bruiser-extra.h3
-rw-r--r--bruiser/bruiser.cpp85
-rw-r--r--bruiser/bruiser.h121
-rw-r--r--bruiser/executioner.cpp47
4 files changed, 243 insertions, 13 deletions
diff --git a/bruiser/bruiser-extra.h b/bruiser/bruiser-extra.h
index 40af99f..40e22f0 100644
--- a/bruiser/bruiser-extra.h
+++ b/bruiser/bruiser-extra.h
@@ -121,7 +121,8 @@ std::vector<std::string> LUA_FUNCS =
"changedirectory",
"yolo",
"pwd()",
- "objload",
+ "objload()",
+ "listObjects",
"_G",
"_VERSION",
"assert",
diff --git a/bruiser/bruiser.cpp b/bruiser/bruiser.cpp
index dfd12f6..3197a5e 100644
--- a/bruiser/bruiser.cpp
+++ b/bruiser/bruiser.cpp
@@ -231,12 +231,11 @@ class PyExec {
pArgs = nullptr;
std::cout << BLUE << "calling python function..." << NORMAL << "\n";
pValue = PyObject_CallObject(pFunc, pArgs);
- //std::cout << BLUE << "i made it here" << NORMAL << "\n";
//Py_DECREF(pArgs);
if (pValue != nullptr) {
std::cout << GREEN << "call finished successfully." << NORMAL << "\n";
printf("Result of call: %ld\n", PyLong_AsLong(pValue));
- Py_DECREF(pValue);
+ //Py_DECREF(pValue);
} else {
Py_DECREF(pFunc);
Py_DECREF(pModule);
@@ -262,18 +261,77 @@ class PyExec {
return 0;
}
+ int getAsCppStringVec(void) {
+ if (PyList_Check(pValue)) {
+ std::cout << GREEN << "got a python list\n" << NORMAL;
+ int list_length = PyList_Size(pValue);
+ std::cout << BLUE << "length of list: " << list_length << "\n" << NORMAL;
+ for (int i = 0; i < list_length; ++i) {
+ PyObject* pybytes = PyList_GetItem(pValue, i);
+ std::cout << CYAN << "bytes size: " << PyBytes_Size(pybytes) << "\n" << NORMAL;
+ PyObject* pyrepr = PyObject_Repr(pybytes);
+ PyObject* pyunicode = PyUnicode_AsEncodedString(pyrepr, "utf-8", "surrogateescape");
+ const char* dummy = PyBytes_AsString(pyunicode);
+ std::cout << RED << dummy << "\n" << NORMAL;
+ hexobj_str.push_back(std::string(dummy));
+ }
+ }
+ return 0;
+ }
+
+ int getAsCppByte(void) {
+ std::vector<uint8_t> tempvec;
+ if(PyList_Check(pValue)) {
+ int list_length = PyList_Size(pValue);
+ for(int i = 0; i < list_length; ++i) {
+ PyObject* pybytes = PyList_GetItem(pValue, i);
+ if(PyList_Check(pybytes)) {
+ int list_length_2 = PyList_Size(pybytes);
+ for(int j = 0; j < list_length_2; ++j) {
+ PyObject* dummy_int = PyList_GetItem(pybytes, j);
+ if (PyLong_Check(dummy_int)) {
+ unsigned char byte = PyLong_AsLong(dummy_int);
+ tempvec.push_back(int(byte));
+ }
+ }
+ hexobj.push_back(tempvec);
+ }
+ }
+ }
+ return 0;
+ }
+
+ void killPyObj(void) {
+ Py_DECREF(pValue);
+ }
+
+ void printHexObjs(void) {
+ for (auto &iter : hexobj) {
+ for (auto &iterer : iter) {
+ std::cout << RED << int(iterer) << " ";
+ }
+ std::cout << "\n" << NORMAL;
+ }
+ }
+
+ std::vector<std::vector<uint8_t>> exportObjs(void) {
+ return hexobj;
+ }
+
private:
std::string py_script_name;
std::string py_func_name;
std::string obj_path;
- PyObject *pName;
- PyObject *pModule;
- PyObject *pDict;
- PyObject *pFunc;
- PyObject *pArgs;
- PyObject *pValue;
+ PyObject* pName;
+ PyObject* pModule;
+ PyObject* pDict;
+ PyObject* pFunc;
+ PyObject* pArgs;
+ PyObject* pValue;
int argc;
char** argv;
+ std::vector<std::string> hexobj_str;
+ std::vector<std::vector<uint8_t>> hexobj;
};
/**********************************************************************************************************************/
class CompilationDatabaseProcessor
@@ -1154,6 +1212,10 @@ class LuaWrapper
{
std::cout << BLUE << "running load.py: " << NORMAL << "\n";
py.run();
+ //py.getAsCppStringVec();
+ py.getAsCppByte();
+ py.printHexObjs();
+ //py.killPyObj();
lua_pushnumber(__ls, 0);
exit(EXIT_SUCCESS);
}
@@ -1596,6 +1658,11 @@ class LuaWrapper
return 0;
}
+ int BruiserLuaListObjects(lua_State* __ls) {
+ // @DEVI-has one string object to signify what kind of object to list
+ return 0;
+ }
+
int BruiserLuaPWD(lua_State* __ls)
{
pid_t pid = fork();
@@ -1756,6 +1823,7 @@ int main(int argc, const char **argv)
lua_register(LE.GetLuaState(), "yolo", &LuaDispatch<&LuaWrapper::BruiserLuaYolo>);
lua_register(LE.GetLuaState(), "pwd", &LuaDispatch<&LuaWrapper::BruiserLuaPWD>);
lua_register(LE.GetLuaState(), "objload", &LuaDispatch<&LuaWrapper::BruiserPyLoader>);
+ lua_register(LE.GetLuaState(), "listObjects", &LuaDispatch<&LuaWrapper::BruiserLuaListObjects>);
/*its just regisering the List function from LuaWrapper with X-macros.*/
#define X(__x1, __x2) lua_register(LE.GetLuaState(), #__x1, &LuaDispatch<&LuaWrapper::List##__x1>);
@@ -1812,5 +1880,6 @@ int main(int argc, const char **argv)
} //end of cli block
} //end of main
+/**********************************************************************************************************************/
/*last line intentionally left blank.*/
diff --git a/bruiser/bruiser.h b/bruiser/bruiser.h
index e311c7e..3cd8eaa 100644
--- a/bruiser/bruiser.h
+++ b/bruiser/bruiser.h
@@ -144,7 +144,8 @@ help CMDHelp[] = {
{"getsourcefiles()", "getsourcefiles()", "gets the currently loaded source files that bruiser will look through", "none", "array of strings"},
{"changedirectory()", "changedirectory()", "changes bruiser's working directory. only use it when you know what you are doing.", "destination directory, [string]", "return value"},
{"pwd()", "pwd()", "pwd", "", ""},
- {"objload()", "objload(\"main\", \"../bfd/test/test.so\")", "load the compiled functions into bruiser", "string", "success or failure"}
+ {"objload()", "objload(\"main\", \"../bfd/test/test.so\")", "load the compiled functions into bruiser", "string", "success or failure"},
+ {"listObjects()", "listObjects(\"function\")", "lists the loaded objects of the given type", "string", "success or failure"}
};
/**********************************************************************************************************************/
/**
@@ -263,7 +264,6 @@ class SearchM0
if (!RootPointer->NoChildren())
{
const XMLElement* XMLE [[maybe_unused]] = RootPointer->FirstChildElement();
-
}
}
@@ -276,13 +276,126 @@ class Daemonize
public:
Daemonize (std::string __exe, std::string __opts) : Exe(__exe), Opts(__opts) {}
-
-
private:
std::string Exe;
std::string Opts;
};
/**********************************************************************************************************************/
+/*structs to hold load.py's return values*/
+/*@DEVI-at some point in the future i might revert to using libbfd or libelf.*/
+
+/*elf*/
+#define ELF_EI_MAGIC = 0x000000000000ffff;
+#define ELF_EI_CLASS = 0x00000000000f0000;
+#define ELF_EI_DATA = 0x0000000000f00000;
+#define ELF_EI_VERSION = 0x000000000f000000;
+#define ELF_EI_OSABI = 0x00000000f0000000;
+#define ELF_EI_ABIVERSION = 0x0000000f00000000;
+#define ELF_EI_PAD = 0xfffffff000000000;
+
+// @DEVI-FIXME-using uint128 here
+struct ELFHDR_64 {
+ public:
+ ELFHDR_64() = default;
+ ELFHDR_64(__uint128_t _ident, uint16_t _type, uint16_t _machine,
+ uint32_t _version, uint64_t _entry, uint64_t _phoff, uint64_t _shoff,
+ uint32_t _flags, uint16_t _ehsize, uint16_t _phentsize,
+ uint16_t _phnum, uint16_t _shentsize, uint16_t _shnum, uint16_t _shstrndx) {
+ e_ident = _ident; e_type = _type; e_machine = _machine; e_version = _version;
+ e_entry = _entry; e_phoff = _phoff; e_shoff = _shoff; e_flags = _flags;
+ e_ehsize = _ehsize; e_phentsize = _phentsize; e_phnum = _phnum;
+ e_shentsize = _shentsize; e_shnum = _shnum; e_shstrndx = _shstrndx;
+ }
+ __uint128_t e_ident; uint16_t e_type; uint16_t e_machine; uint32_t e_version;
+ uint64_t e_entry; uint64_t e_phoff; uint64_t e_shoff; uint32_t e_flags;
+ uint16_t e_ehsize; uint16_t e_phentsize; uint16_t e_phnum; uint16_t e_shentsize;
+ uint16_t e_shnum; uint16_t e_shstrndx;
+};
+
+// @DEVI-FIXME-using uint128 here
+struct ELFHDR_32 {
+ public:
+ ELFHDR_32() = default;
+ ELFHDR_32(__uint128_t _ident, uint16_t _type, uint16_t _machine, uint32_t _version,
+ uint32_t _entry, uint32_t _phoff, uint32_t _shoff, uint32_t _flags,
+ uint16_t _ehsize, uint16_t _phentsize, uint16_t _phnum, uint16_t _shentsize,
+ uint16_t _shnum, uint16_t _shstrndx) {
+ e_ident = _ident; e_type = _type; e_machine = _machine; e_version = _version;
+ e_entry = _entry; e_phoff = _phoff; e_shoff = _shoff; e_flags = _flags;
+ e_ehsize = _ehsize; e_phentsize = _phentsize; e_phnum = _phnum;
+ e_shentsize = _shentsize; e_shnum = _shnum; e_shstrndx = _shstrndx;
+ }
+
+ __uint128_t e_ident; uint16_t e_type; uint16_t e_machine; uint32_t e_version;
+ uint32_t e_entry; uint32_t e_phoff; uint32_t e_shoff; uint32_t e_flags;
+ uint16_t e_ehsize; uint16_t e_phentsize; uint16_t e_phnum; uint16_t e_shentsize;
+ uint16_t e_shnum; uint16_t e_shstrndx;
+};
+/*program header*/
+struct PHDR_64 {
+ public:
+ PHDR_64() = default;
+ PHDR_64(uint32_t _type, uint32_t _flags, uint64_t _offset, uint64_t _vaddr,
+ uint64_t _paddr, uint64_t _filesz, uint64_t _memsz, uint64_t _align) {
+ p_type = _type; p_flags = _flags; p_offset = _offset; p_vaddr = _vaddr;
+ p_paddr = _paddr; p_filesz = _filesz; p_memsz = _memsz; p_align = _align;
+ }
+
+ uint32_t p_type; uint32_t p_flags; uint64_t p_offset; uint64_t p_vaddr;
+ uint64_t p_paddr; uint64_t p_filesz; uint64_t p_memsz; uint64_t p_align;
+};
+struct PHDR_32 {
+ public:
+ PHDR_32() = default;
+ PHDR_32(uint32_t _type, uint32_t _offset, uint32_t _vaddr, uint32_t _paddr,
+ uint32_t _filesz, uint32_t _memsz, uint32_t _flags, uint32_t _align) {
+ p_type = _type; p_flags = _flags; p_offset = _offset; p_vaddr = _vaddr;
+ p_paddr = _paddr; p_filesz = _filesz; p_memsz = _memsz; p_align = _align;
+ };
+
+ uint32_t p_type;
+ uint32_t p_offset;
+ uint32_t p_vaddr;
+ uint32_t p_paddr;
+ uint32_t p_filesz;
+ uint32_t p_memsz;
+ uint32_t p_flags;
+ uint32_t p_align;
+};
+/*section header*/
+struct SHDR_64 {
+ public:
+ SHDR_64() = default;
+ SHDR_64(uint32_t _name, uint32_t _type, uint64_t _flags, uint64_t _addr,
+ uint64_t _offset, uint64_t _size, uint32_t _link, uint32_t _info,
+ uint64_t _addralign, uint64_t _entsize) {
+ sh_name = _name; sh_type = _type; sh_flags = _flags; sh_addr = _addr;
+ sh_offset = _offset; sh_size = _size; sh_link = _link; sh_info = _info;
+ sh_addralign = _addralign; sh_entsize = _entsize;
+ };
+
+ uint32_t sh_name; uint32_t sh_type; uint64_t sh_flags; uint64_t sh_addr;
+ uint64_t sh_offset; uint64_t sh_size; uint32_t sh_link; uint32_t sh_info;
+ uint64_t sh_addralign; uint64_t sh_entsize;
+};
+struct SHDR_32 {
+ public:
+ SHDR_32() = default;
+ SHDR_32(uint32_t _name, uint32_t _type, uint32_t _flags, uint32_t _addr,
+ uint32_t _offset, uint32_t _size, uint32_t _link, uint32_t _info,
+ uint32_t _addralign, uint32_t _entsize) {
+ sh_name = _name; sh_type = _type; sh_flags = _flags; sh_addr = _addr;
+ sh_offset = _offset; sh_size = _size; sh_link = _link; sh_info = _info;
+ sh_addralign = _addralign; sh_entsize = _entsize;
+ };
+
+ uint32_t sh_name; uint32_t sh_type; uint32_t sh_flags; uint32_t sh_addr;
+ uint32_t sh_offset; uint32_t sh_size; uint32_t sh_link; uint32_t sh_info;
+ uint32_t sh_addralign; uint32_t sh_entsize;
+};
+/*symbol table entry*/
+struct ST_Entry_64 {};
+struct ST_Entry_32 {};
/**********************************************************************************************************************/
} // end of namespace bruiser
#endif
diff --git a/bruiser/executioner.cpp b/bruiser/executioner.cpp
new file mode 100644
index 0000000..5aad56b
--- /dev/null
+++ b/bruiser/executioner.cpp
@@ -0,0 +1,47 @@
+
+/***************************************************Project Mutator****************************************************/
+//-*-c++-*-
+/*first line intentionally left blank.*/
+/*loads the objects into executable memory and registers them with lua.*/
+/*Copyright (C) 2017 Farzad Sadeghi
+
+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 2
+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, write to the Free Software
+Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.*/
+/**********************************************************************************************************************/
+#include <vector>
+#include <cstdint>
+#include "lua-5.3.4/src/lua.hpp"
+/**********************************************************************************************************************/
+namespace {
+ constexpr int MEMORY_SIZE = 30000;
+ std::vector<uint8_t> memory(MEMORY_SIZE, 0);
+}
+
+class Executioner {
+ public:
+ Executioner() {}
+ ~Executioner() {}
+
+ void getObjs(std::vector<std::vector<uint8_t>> _objs) {
+ objs = _objs;
+ }
+
+ void registerWithLua(lua_State* _lua_State) {}
+
+ private:
+ std::vector<std::vector<uint8_t>> objs;
+};
+/**********************************************************************************************************************/
+/*last line intentionally left blank.*/
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 05:08:13 +0000