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-rw-r--r--README.md0
-rwxr-xr-xdelf.py27
-rwxr-xr-xload.py1467
-rw-r--r--test/compile_commands.json7
-rw-r--r--test/makefile35
-rw-r--r--test/test.c32
6 files changed, 1568 insertions, 0 deletions
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/README.md
diff --git a/delf.py b/delf.py
new file mode 100755
index 0000000..60b2697
--- /dev/null
+++ b/delf.py
@@ -0,0 +1,27 @@
+#!/usr/bin/python3
+
+import argparse
+import code
+import readline
+import signal
+import sys
+from load import premain, CLIArgParser, SigHandler_SIGINT
+
+def main():
+ argparser = CLIArgParser()
+ if argparser.args.dbg:
+ try:
+ premain(argparser)
+ except Exception as e:
+ print(e.__doc__)
+ if e.message: print(e.message)
+ signal.signal(signal.SIGINT, SigHandler_SIGINT)
+ variables = globals().copy()
+ variables.update(locals())
+ shell = code.InteractiveConsole(variables)
+ shell.interact(banner="DELF REPL")
+ else:
+ premain(argparser)
+
+if __name__ == "__main__":
+ main()
diff --git a/load.py b/load.py
new file mode 100755
index 0000000..73ff05e
--- /dev/null
+++ b/load.py
@@ -0,0 +1,1467 @@
+#!/usr/bin/python3
+#***************************************************Project Mutator****************************************************/
+# yet another elfdump in python
+#*Copyright (C) 2018 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 3
+#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.*/
+#**********************************************************************************************************************/
+import argparse
+import sys
+import readline
+import code
+import signal
+import os
+import sys
+import shutil
+from capstone import *
+from capstone.x86 import *
+
+class ELF_TYPE_SIZES:
+ ELF32_HALF = 2
+ ELF64_HALF = 2
+ ELF32_WORD = 4
+ ELF32_SWORD = 4
+ ELF64_WORD = 4
+ ELF64_SWORD = 4
+ ELF32_XWORD = 8
+ ELF32_SXWORD = 8
+ ELF64_XWORD = 8
+ ELF64_SXWORD = 8
+ ELF32_ADDR = 4
+ ELF64_ADDR = 8
+ ELF32_OFF = 4
+ ELF64_OFF = 8
+ ELF32_SECTION = 2
+ ELF64_SECTION = 2
+
+def SigHandler_SIGINT(signum, frame):
+ print()
+ sys.exit(0)
+
+class ExceptionHandler(object):
+ def __init__(self, globals, locals):
+ self.variables = globals().copy()
+ self.variables.update(locals())
+ self.shell = code.InteractiveConsole()
+ shell.interact(banner="Object Loader Prototype")
+
+class CLIArgParser(object):
+ def __init__(self):
+ parser = argparse.ArgumentParser()
+ parser.add_argument("--dbg", action="store_true", help="debug", default=False)
+ parser.add_argument("--obj", type=str, help="path to the executbale, shared object or object you want to load in bruiser")
+ parser.add_argument("--header", action='store_true', help="dump headers", default=False)
+ parser.add_argument("--symboltable", action='store_true', help="dump symbol table", default=False)
+ parser.add_argument("--phdrs", action='store_true', help="dump program haeders", default=False)
+ parser.add_argument("--shdrs", action='store_true', help="dump section haeders", default=False)
+ parser.add_argument("--symbolindex", action='store_true', help="dump symbol index", default=False)
+ parser.add_argument("--stentries", action='store_true', help="dump section table entries", default=False)
+ parser.add_argument("--objcode", action='store_true', help="dump objects", default=False)
+ parser.add_argument("--test", action='store_true', help="test switch", default=False)
+ parser.add_argument("--test2", action='store_true', help="test switch 2", default=False)
+ parser.add_argument("--funcs", action='store_true', help="dump functions", default=False)
+ parser.add_argument("--objs", action='store_true', help="dump objects", default=False)
+ parser.add_argument("--dynsym", action='store_true', help="dump dynamic symbol table", default=False)
+ parser.add_argument("--dlpath", action='store_true', help="dump dynamic linker path", default=False)
+ parser.add_argument("--phdynent", action='store_true', help="dump ph PT_DYNAMIC entries", default=False)
+ parser.add_argument("--section", type=str, help="dump a section")
+ parser.add_argument("--dumpfunc", type=str, help="dump a functions machine code")
+ parser.add_argument("--dumpfuncasm", type=str, help="dump a functions assembly code")
+ parser.add_argument("--textasm", action='store_true', help="disassemble the text section", default=False)
+ parser.add_argument("--dynsecents", action='store_true', help="dynamic section entries", default=False)
+ parser.add_argument("--reladyn", action='store_true', help=".rela.dyn entries", default=False)
+ parser.add_argument("--relaplt", action='store_true', help=".rela.plt entries", default=False)
+ parser.add_argument("--rodata", action='store_true', help="dump .rodata", default=False)
+ parser.add_argument("--disass", type=str, help="disassemblt a section")
+ self.args = parser.parse_args()
+ if self.args.obj is None:
+ raise Exception("no object file provided. please specify an object with --obj.")
+
+def byte2int(value,sign = False):
+ return int.from_bytes(value, byteorder="little", signed=sign)
+
+def byte2hex(value):
+ return hex(int.from_bytes(value, byteorder="little", signed=False))
+
+def LEB128UnsignedDecode(bytelist):
+ result = 0
+ shift = 0
+ for byte in bytelist:
+ result |= (byte & 0x7f) << shift
+ if (byte & 0x80) == 0:
+ break
+ shift += 7
+ return(result)
+
+def LEB128SignedDecode(bytelist):
+ result = 0
+ shift = 0
+ for byte in bytelist:
+ result |= (byte & 0x7f) << shift
+ last_byte = byte
+ shift += 7
+ if (byte & 0x80) == 0:
+ break
+ if last_byte & 0x40:
+ result |= - (1 << shift)
+ return(result)
+
+def LEB128UnsignedEncode(int_val):
+ if int_val < 0:
+ raise Exception("value must not be negative")
+ elif int_val == 0:
+ return bytes([0])
+ byte_array = bytearray()
+ while int_val:
+ byte = int_val & 0x7f
+ byte_array.append(byte | 0x80)
+ int_val >>= 7
+ byte_array[-1] ^= 0x80
+ return(byte_array)
+
+def LEB128SignedEncode(int_val):
+ byte_array = bytearray()
+ while True:
+ byte = int_val & 0x7f
+ byte_array.append(byte | 0x80)
+ int_val >>= 7
+ if (int_val == 0 and byte&0x40 == 0) or (int_val == -1 and byte&0x40):
+ byte_array[-1] ^= 0x80
+ break
+ return(byte_array)
+
+class ELF_REL():
+ def __init__(self, r_offset, r_info):
+ self.r_offset = r_offset
+ self.r_info = r_info
+
+class ELF_RELA():
+ def __init__(self, r_offset, r_info, r_addend):
+ self.r_offset = r_offset
+ self.r_info = r_info
+ self.r_addend = r_addend
+
+def ffs(offset,header_list, numbered, *args):
+ cn = Colors.green
+ ch = Colors.cyan
+ cd = Colors.blue
+ cb = Colors.BOLD
+ ci = Colors.red
+ ce = Colors.ENDC
+ max_column_width = []
+ lines = []
+ numbers_f = []
+ dummy = []
+
+ if numbered:
+ numbers_f.extend(range(1, len(args[-1])+1))
+ max_column_width.append(max([len(repr(number)) for number in numbers_f]))
+ header_list.insert(0, "idx")
+
+ for arg in args:
+ max_column_width.append(max([len(repr(argette)) for argette in arg]))
+
+ index = range(0, len(header_list))
+ for header, width, i in zip(header_list, max_column_width, index):
+ max_column_width[i] = max(len(header), width) + offset
+
+ for i in index:
+ dummy.append(ch + cb + header_list[i].ljust(max_column_width[i]) + ce)
+ lines.append("".join(dummy))
+ dummy.clear()
+
+ index2 = range(0, len(args[-1]))
+ for i in index2:
+ if numbered:
+ dummy.append(ci+cb+repr(i).ljust(max_column_width[0])+ce)
+ for arg, width in zip(args, max_column_width[1:]):
+ dummy.append(cd+repr(arg[i]).ljust(width)+ce)
+ else:
+ for arg, width in zip(args, max_column_width):
+ dummy.append(cd+repr(arg[i]).ljust(width)+ce)
+ lines.append("".join(dummy))
+ dummy.clear()
+ return lines
+
+def get_section_type_string(number):
+ if number == 0x0: return "NULL"
+ if number == 0x1: return "PROGBITS"
+ if number == 0x2: return "SYMTAB"
+ if number == 0x3: return "STRTAB"
+ if number == 0x4: return "RELA"
+ if number == 0x5: return "HASH"
+ if number == 0x6: return "DYNAMIC"
+ if number == 0x7: return "NOTE"
+ if number == 0x8: return "NOBITS"
+ if number == 0x9: return "REL"
+ if number == 0xa: return "SHLIB"
+ if number == 0xb: return "DYNSYM"
+ if number == 0xe: return "INIT_ARRAY"
+ if number == 0xf: return "FINI_ARRAY"
+ if number == 0x10: return "PREINIT"
+ if number == 0x11: return "GROUP"
+ if number == 0x12: return "SYMTAB"
+ if number == 0x13: return "NUM"
+ if number == 0x60000000: return "LOOS"
+ if number == 0x6ffffff6: return "GNU_HASH"
+ if number == 0x6fffffff: return "VERSYM"
+ if number == 0x6ffffffe: return "VERNEED"
+
+class sh_type_e:
+ SHT_NULL = 0x0
+ SHT_PROGBITS = 0x1
+ SHT_SYMTAB = 0x2
+ SHT_STRTAB = 0x3
+ SHT_RELA = 0x4
+ SHT_HASH = 0x5
+ SHT_DYNAMIC = 0x6
+ SHT_NOTE = 0x7
+ SHT_NOBITS = 0x8
+ SHT_REL = 0x9
+ SHT_SHLIB = 0xa
+ SHT_DYNSYM = 0xb
+ SHT_INIT_ARRAY = 0xe
+ SHT_FINI_ARRAY = 0xf
+ SHT_PREINIT = 0x10
+ SHT_GROUP = 0x11
+ SHT_SYMTAB_SHNDX = 0x12
+ SHT_NUM = 0x13
+ SHT_LOOS = 0x60000000
+ GNU_HASH = 0x6ffffff6
+ VERSYM = 0x6fffffff
+ VERNEED= 0x6ffffffe
+
+class sh_flags_e:
+ SHF_WRITE = 0x1
+ SHF_ALLOC = 0x2
+ SHF_EXECINSTR = 0x4
+ SHF_MERGE = 0x10
+ SHF_STRINGS = 0x20
+ SHF_INFO_LINK = 0x40
+ SHF_LINK_ORDER = 0x80
+ SHF_OS_NONCONFORMING = 0x100
+ SHF_GROUP = 0x200
+ SHF_TLS = 0x400
+ SHF_MASKOS = 0x0ff00000
+ SHF_MASKPROC = 0xf0000000
+ SHF_ORDERED = 0x4000000
+ SHF_EXCLUDE = 0x8000000
+
+class p_type_e:
+ PT_NULL = 0x0
+ PT_LOAD = 0x1
+ PT_DYNAMIC = 0x2
+ PT_INTERP = 0x3
+ PT_NOTE = 0x4
+ PT_SHLIB = 0x5
+ PT_PHDR = 0x6
+ PT_LOOS = 0x60000000
+ PT_HIOS = 0x6FFFFFFF
+ PT_LOPROC = 0x70000000
+ PT_HIPROC = 0x7FFFFFFF
+ GNU_EH_FRAME = 0x6474e550
+ GNU_STACK = 0x6474e551
+ GNU_RELRO = 0x6474e552
+
+def get_ph_type(value):
+ if value == p_type_e.PT_NULL: return "NULL"
+ elif value == p_type_e.PT_LOAD: return "LOAD"
+ elif value == p_type_e.PT_DYNAMIC: return "DYNAMIC"
+ elif value == p_type_e.PT_INTERP: return "INTERP"
+ elif value == p_type_e.PT_NOTE: return "NOTE"
+ elif value == p_type_e.PT_SHLIB: return "SHLIB"
+ elif value == p_type_e.PT_PHDR: return "PHDR"
+ elif value == p_type_e.PT_LOOS: return "LOOS"
+ elif value == p_type_e.PT_HIOS: return "HIOS"
+ elif value == p_type_e.PT_LOPROC: return "LOPROC"
+ elif value == p_type_e.PT_HIPROC: return "HIPROC"
+ elif value == p_type_e.GNU_EH_FRAME: return "GNU_EH_FRAME"
+ elif value == p_type_e.GNU_STACK: return "GNU_STACK"
+ elif value == p_type_e.GNU_RELRO: return "GNU_RELRO"
+ else: return None
+
+class ph_dynamic_entry:
+ def __init__(self, d_tag, d_un):
+ self.d_tag = d_tag;
+ self.d_un = d_un
+
+class elf_seg_flags:
+ PF_X = 0x1
+ PF_W = 0x2
+ PF_R = 0x4
+
+def get_elf_seg_flag(value):
+ ret = []
+ if value & 0x01 == 1: ret.append("X")
+ if (value & 0x02) >> 1 == 1: ret.append("W")
+ if (value & 0x04) >> 2 == 1: ret.append("R")
+ return ''.join(ret)
+
+class PH_DYN_TAG_TYPE:
+ DT_NULL = 0
+ DT_NEEDED = 1
+ DT_PLTRELSZ = 2
+ DT_PLTGOT = 3
+ DT_HASH = 4
+ DT_STRTAB = 5
+ DT_SYMTAB = 6
+ DT_RELA = 7
+ DT_RELASZ = 8
+ DT_RELAENT = 9
+ DT_STRSZ = 10
+ DT_SYMENT = 11
+ DT_INIT = 12
+ DT_FINI = 13
+ DT_SONAME = 14
+ DT_RPATH = 15
+ DT_SYMBOLIC = 16
+ DT_REL = 17
+ DT_RELSZ = 18
+ DT_RELENT = 19
+ DT_PLTREL = 20
+ DT_DEBUG = 21
+ DT_TEXTREL = 22
+ DT_JMPREL = 23
+ DT_LOPROC = 0x70000000
+ DT_HIPROC = 0x7FFFFFFF
+ DT_BIND_NOW = 24
+ DT_INIT_ARRAY = 25
+ DT_FINI_ARRAY = 26
+ DT_INIT_ARRAYSZ = 27
+ DT_FINI_ARRAYSZ = 28
+ DT_RUNPATH = 29
+ DT_FLAGS = 30
+ DT_ENCODING = 32
+ DT_PREINIT_ARRAY = 32
+ DT_PREINIT_ARRAYSZ = 33
+ DT_NUM = 34
+ DT_LOOS = 0x6000000d
+ DT_HIOS = 0x6ffff000
+ DT_PROC_NUM = 0x0
+ DT_MIPS_NUM = 0x0
+ DT_VALRNGLO = 0x6ffffd00
+ DT_GNU_PRELINKED = 0x6ffffdf5
+ DT_GNU_CONFLICTSZ = 0x6ffffdf6
+ DT_GNU_LIBLISTSZ = 0x6ffffdf7
+ DT_CHECKSUM = 0x6ffffdf8
+ DT_PLTPADSZ = 0x6ffffdf9
+ DT_MOVEENT = 0x6ffffdfa
+ DT_MOVESZ = 0x6ffffdfb
+ DT_FEATURE_1 = 0x6ffffdfc
+ DT_POSFLAG_1 = 0x6ffffdfd
+ DT_SYMINSZ = 0x6ffffdfe
+ DT_SYMINENT = 0x6ffffdff
+ DT_VALRNGHI = 0x6ffffdff
+ DT_VALNUM = 12
+ DT_ADDRRNGLO = 0x6ffffe00
+ DT_GNU_HASH = 0x6ffffef5
+ DT_TLSDESC_PLT = 0x6ffffef6
+ DT_TLSDESC_GOT = 0x6ffffef7
+ DT_GNU_CONFLICT = 0x6ffffef8
+ DT_GNU_LIBLIST = 0x6ffffef9
+ DT_CONFIG = 0x6ffffefa
+ DT_DEPAUDIT = 0x6ffffefb
+ DT_AUDIT = 0x6ffffefc
+ DT_PLTPAD = 0x6ffffefd
+ DT_MOVETAB = 0x6ffffefe
+ DT_SYMINFO = 0x6ffffeff
+ DT_ADDRRNGHI = 0x6ffffeff
+ DT_ADDRNUM = 11
+ DT_VERSYM = 0x6ffffff0
+ DT_RELACOUNT = 0x6ffffff9
+ DT_RELCOUNT = 0x6ffffffa
+ DT_FLAGS_1 = 0x6ffffffb
+ DT_VERDEF = 0x6ffffffc
+ DT_VERDEFNUM = 0x6ffffffd
+ DT_VERNEED = 0x6ffffffe
+ DT_VERNEEDNUM = 0x6fffffff
+ DT_VERSIONTAGNUM = 16
+ DT_AUXILIARY = 0x7ffffffd
+ DT_FILTER = 0x7fffffff
+ DT_EXTRANUM = 3
+
+def get_ph_dynamic_ent_tag_type(value):
+ if value == PH_DYN_TAG_TYPE.DT_NULL: return "DT_NULL"
+ elif value == PH_DYN_TAG_TYPE.DT_NEEDED: return "DT_NEEDED"
+ elif value == PH_DYN_TAG_TYPE.DT_PLTRELSZ: return "DT_PLTRELSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_PLTGOT: return "DT_PLTGOT"
+ elif value == PH_DYN_TAG_TYPE.DT_HASH: return "DT_HASH"
+ elif value == PH_DYN_TAG_TYPE.DT_STRTAB: return "DT_STRTAB"
+ elif value == PH_DYN_TAG_TYPE.DT_SYMTAB: return "DT_SYMTAB"
+ elif value == PH_DYN_TAG_TYPE.DT_RELA: return "DT_RELA"
+ elif value == PH_DYN_TAG_TYPE.DT_RELASZ: return "DT_RELASZ"
+ elif value == PH_DYN_TAG_TYPE.DT_RELAENT: return "DT_RELAENT"
+ elif value == PH_DYN_TAG_TYPE.DT_STRSZ: return "DT_STRSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_SYMENT: return "DT_SYMENT"
+ elif value == PH_DYN_TAG_TYPE.DT_INIT: return "DT_INIT"
+ elif value == PH_DYN_TAG_TYPE.DT_FINI: return "DT_FINI"
+ elif value == PH_DYN_TAG_TYPE.DT_SONAME: return "DT_SONAME"
+ elif value == PH_DYN_TAG_TYPE.DT_RPATH: return "DT_RPATH"
+ elif value == PH_DYN_TAG_TYPE.DT_SYMBOLIC: return "DT_SYMBOLIC"
+ elif value == PH_DYN_TAG_TYPE.DT_REL: return "DT_REL"
+ elif value == PH_DYN_TAG_TYPE.DT_RELSZ: return "DT_RELSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_RELENT: return "DT_RELENT"
+ elif value == PH_DYN_TAG_TYPE.DT_PLTREL: return "DT_PLTREL"
+ elif value == PH_DYN_TAG_TYPE.DT_DEBUG: return "DT_DEBUG"
+ elif value == PH_DYN_TAG_TYPE.DT_TEXTREL: return "DT_TEXTREL"
+ elif value == PH_DYN_TAG_TYPE.DT_JMPREL: return "DT_JMPREL"
+ elif value == PH_DYN_TAG_TYPE.DT_LOPROC: return "DT_LOPROC"
+ elif value == PH_DYN_TAG_TYPE.DT_HIPROC: return "DT_HIPROC"
+ elif value == PH_DYN_TAG_TYPE.DT_BIND_NOW: return "DT_BIND_NOW"
+ elif value == PH_DYN_TAG_TYPE.DT_INIT_ARRAY: return "DT_INIT_ARRAY"
+ elif value == PH_DYN_TAG_TYPE.DT_FINI_ARRAY: return "DT_FINI_ARRAY"
+ elif value == PH_DYN_TAG_TYPE.DT_INIT_ARRAYSZ: return "DT_INIT_ARRAYSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_FINI_ARRAYSZ: return "DT_FINI_ARRAYSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_RUNPATH: return "DT_RUNPATH"
+ elif value == PH_DYN_TAG_TYPE.DT_FLAGS: return "DT_FLAGS"
+ elif value == PH_DYN_TAG_TYPE.DT_ENCODING: return "DT_ENCODING"
+ elif value == PH_DYN_TAG_TYPE.DT_PREINIT_ARRAY: return "DT_PREINIT_ARRAY"
+ elif value == PH_DYN_TAG_TYPE.DT_PREINIT_ARRAYSZ: return "DT_PREINIT_ARRAYSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_NUM: return "DT_NUM"
+ elif value == PH_DYN_TAG_TYPE.DT_LOOS: return "DT_LOOS"
+ elif value == PH_DYN_TAG_TYPE.DT_HIOS: return "DT_HIOS"
+ #elif value == PH_DYN_TAG_TYPE.DT_PROC_NUM: return "DT_PROC_NUM"
+ #elif value == PH_DYN_TAG_TYPE.DT_MIPS_NUM: return "DT_MIPS_NUM"
+ elif value == PH_DYN_TAG_TYPE.DT_VALRNGLO: return "DT_VALRNGLO"
+ elif value == PH_DYN_TAG_TYPE.DT_GNU_PRELINKED: return "DT_GNU_PRELINKED"
+ elif value == PH_DYN_TAG_TYPE.DT_GNU_CONFLICTSZ: return "DT_GNU_CONFLICTSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_GNU_LIBLISTSZ: return "DT_GNU_LIBLISTSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_CHECKSUM: return "DT_CHECKSUM"
+ elif value == PH_DYN_TAG_TYPE.DT_PLTPADSZ: return "DT_PLTPADSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_MOVEENT: return "DT_MOVEENT"
+ elif value == PH_DYN_TAG_TYPE.DT_MOVESZ: return "DT_MOVESZ"
+ elif value == PH_DYN_TAG_TYPE.DT_FEATURE_1: return "DT_FEATURE_1"
+ elif value == PH_DYN_TAG_TYPE.DT_POSFLAG_1: return "DT_POSFLAG_1"
+ elif value == PH_DYN_TAG_TYPE.DT_SYMINSZ: return "DT_SYMINSZ"
+ elif value == PH_DYN_TAG_TYPE.DT_SYMINENT: return "DT_SYMINENT"
+ elif value == PH_DYN_TAG_TYPE.DT_VALRNGHI: return "DT_VALRNGHI"
+ #DT_VALNUM = 12
+ elif value == PH_DYN_TAG_TYPE.DT_ADDRRNGLO: return "DT_ADDRRNGLO"
+ elif value == PH_DYN_TAG_TYPE.DT_GNU_HASH: return "DT_GNU_HASH"
+ elif value == PH_DYN_TAG_TYPE.DT_TLSDESC_PLT: return "DT_TLSDESC_PLT"
+ elif value == PH_DYN_TAG_TYPE.DT_TLSDESC_GOT: return "DT_TLSDESC_GOT"
+ elif value == PH_DYN_TAG_TYPE.DT_GNU_CONFLICT: return "DT_GNU_CONFLICT"
+ elif value == PH_DYN_TAG_TYPE.DT_GNU_LIBLIST: return "DT_GNU_LIBLIST"
+ elif value == PH_DYN_TAG_TYPE.DT_CONFIG: return "DT_CONFIG"
+ elif value == PH_DYN_TAG_TYPE.DT_DEPAUDIT: return "DT_DEPAUDIT"
+ elif value == PH_DYN_TAG_TYPE.DT_AUDIT: return "DT_AUDIT"
+ elif value == PH_DYN_TAG_TYPE.DT_PLTPAD: return "DT_PLTPAD"
+ elif value == PH_DYN_TAG_TYPE.DT_MOVETAB: return "DT_MOVETAB"
+ elif value == PH_DYN_TAG_TYPE.DT_SYMINFO: return "DT_SYMINFO"
+ elif value == PH_DYN_TAG_TYPE.DT_ADDRRNGHI: return "DT_ADDRRNGHI"
+ #DT_ADDRNUM = 11
+ elif value == PH_DYN_TAG_TYPE.DT_VERSYM: return "DT_VERSYM"
+ elif value == PH_DYN_TAG_TYPE.DT_RELACOUNT: return "DT_RELACOUNT"
+ elif value == PH_DYN_TAG_TYPE.DT_RELCOUNT: return "DT_RELCOUNT"
+ elif value == PH_DYN_TAG_TYPE.DT_FLAGS_1: return "DT_FLAGS_1"
+ elif value == PH_DYN_TAG_TYPE.DT_VERDEF: return "DT_VERDEF"
+ elif value == PH_DYN_TAG_TYPE.DT_VERDEFNUM: return "DT_VERDEFNUM"
+ elif value == PH_DYN_TAG_TYPE.DT_VERNEED: return "DT_VERNEED"
+ elif value == PH_DYN_TAG_TYPE.DT_VERNEEDNUM: return "DT_VERNEEDNUM"
+ elif value == PH_DYN_TAG_TYPE.DT_VERSIONTAGNUM: return "DT_VERSIONTAGNUM"
+ elif value == PH_DYN_TAG_TYPE.DT_AUXILIARY: return "DT_AUXILIARY"
+ elif value == PH_DYN_TAG_TYPE.DT_FILTER: return "DT_FILTER"
+ #DT_EXTRANUM = 3
+ else: return str(value)
+ #else: return "UNKNOWN"
+
+class X86_REL_TYPE:
+ R_386_NONE = 0
+ R_386_32 = 1
+ R_386_PC32 = 2
+ R_386_GOT32 = 3
+ R_386_PLT32 = 4
+ R_386_COPY = 5
+ R_386_GLOB_DAT = 6
+ R_386_JMP_SLOT = 7
+ R_386_RELATIVE = 8
+ R_386_GOTOFF = 9
+ R_386_GOTPC = 10
+ R_386_32PLT = 11
+ R_386_16 = 12
+ R_386_PC16 = 13
+ R_386_8 = 14
+ R_386_PC8 = 15
+ R_386_SIZE32 = 16
+
+def get_x86_rel_type(val):
+ if val == X86_REL_TYPE.R_386_NONE: return "R_386_NONE"
+ elif val == X86_REL_TYPE.R_386_32: return "R_386_32"
+ elif val == X86_REL_TYPE.R_386_PC32: return "R_386_PC32"
+ elif val == X86_REL_TYPE.R_386_GOT32: return "R_386_GOT32"
+ elif val == X86_REL_TYPE.R_386_PLT32: return "R_386_PLT32"
+ elif val == X86_REL_TYPE.R_386_COPY: return "R_386_COPY"
+ elif val == X86_REL_TYPE.R_386_GLOB_DAT: return "R_386_GLOB_DAT"
+ elif val == X86_REL_TYPE.R_386_JMP_SLOT: return "R_386_JMP_SLOT"
+ elif val == X86_REL_TYPE.R_386_RELATIVE: return "R_386_RELATIVE"
+ elif val == X86_REL_TYPE.R_386_GOTOFF: return "R_386_GOTOFF"
+ elif val == X86_REL_TYPE.R_386_GOTPC: return "R_386_GOTPC"
+ elif val == X86_REL_TYPE.R_386_32PLT: return "R_386_32PLT"
+ elif val == X86_REL_TYPE.R_386_16: return "R_386_16"
+ elif val == X86_REL_TYPE.R_386_PC16: return "R_386_PC16"
+ elif val == X86_REL_TYPE.R_386_8: return "R_386_8"
+ elif val == X86_REL_TYPE.R_386_PC8: return "R_386_PC8"
+ elif val == X86_REL_TYPE.R_386_SIZE32: return "R_386_SIZE32"
+ else: return "UNKNOWN"
+
+class X86_64_REL_TYPE:
+ R_AMD64_NONE = 0
+ R_AMD64_64 = 1
+ R_AMD64_PC32 = 2
+ R_AMD64_GOT32 = 3
+ R_AMD64_PLT32 = 4
+ R_AMD64_COPY = 5
+ R_AMD64_GLOB_DAT = 6
+ R_AMD64_JUMP_SLOT = 7
+ R_AMD64_RELATIVE = 8
+ R_AMD64_GOTPCREL = 9
+ R_AMD64_32 = 10
+ R_AMD64_32S = 11
+ R_AMD64_16 = 12
+ R_AMD64_PC16 = 13
+ R_AMD64_8 = 14
+ R_AMD64_PC8 = 15
+ R_AMD64_PC64 = 24
+ R_AMD64_GOTOFF64 = 25
+ R_AMD64_GOTPC32 = 26
+ R_AMD64_SIZE32 = 32
+ R_AMD64_SIZE64 = 33
+
+def get_x86_64_rel_type(val):
+ if val == X86_64_REL_TYPE.R_AMD64_NONE: return "R_386_NONE"
+ elif val == X86_64_REL_TYPE.R_AMD64_64: return "R_AMD64_64"
+ elif val == X86_64_REL_TYPE.R_AMD64_PC32: return "R_AMD64_PC32"
+ elif val == X86_64_REL_TYPE.R_AMD64_GOT32: return "R_AMD64_GOT32"
+ elif val == X86_64_REL_TYPE.R_AMD64_PLT32: return "R_AMD64_PLT32"
+ elif val == X86_64_REL_TYPE.R_AMD64_COPY: return "R_AMD64_COPY"
+ elif val == X86_64_REL_TYPE.R_AMD64_GLOB_DAT: return "R_AMD64_GLOB_DAT"
+ elif val == X86_64_REL_TYPE.R_AMD64_JUMP_SLOT: return "R_AMD64_JUMP_SLOT"
+ elif val == X86_64_REL_TYPE.R_AMD64_RELATIVE: return "R_AMD64_RELATIVE"
+ elif val == X86_64_REL_TYPE.R_AMD64_GOTPCREL: return "R_AMD64_GOTPCREL"
+ elif val == X86_64_REL_TYPE.R_AMD64_32: return "R_AMD64_32"
+ elif val == X86_64_REL_TYPE.R_AMD64_32S: return "R_AMD64_32S"
+ elif val == X86_64_REL_TYPE.R_AMD64_16: return "R_AMD64_16"
+ elif val == X86_64_REL_TYPE.R_AMD64_PC16: return "R_AMD64_PC16"
+ elif val == X86_64_REL_TYPE.R_AMD64_8: return "R_AMD64_8"
+ elif val == X86_64_REL_TYPE.R_AMD64_PC8: return "R_AMD64_PC8"
+ elif val == X86_64_REL_TYPE.R_AMD64_PC64: return "R_AMD64_PC64"
+ elif val == X86_64_REL_TYPE.R_AMD64_GOTOFF64: return "R_AMD64_GOTOFF64"
+ elif val == X86_64_REL_TYPE.R_AMD64_GOTPC32: return "R_AMD64_GOTPC32"
+ elif val == X86_64_REL_TYPE.R_AMD64_SIZE32: return "R_AMD64_SIZE32"
+ elif val == X86_64_REL_TYPE.R_AMD64_SIZE64: return "R_AMD64_SIZE64"
+ else: return "UNKNOWN"
+
+class ELF_ST_BIND:
+ STB_LOCAL = 0
+ STB_GLOBAL = 1
+ STB_WEAK = 2
+ STB_LOOS = 10
+ STB_HIOS = 12
+ STB_LOPROC = 13
+ STB_HIPROC = 15
+
+def get_elf_st_bind_string(value):
+ if value == ELF_ST_BIND.STB_LOCAL: return "STB_LOCAL"
+ elif value == ELF_ST_BIND.STB_GLOBAL: return "STB_GLOBAL"
+ elif value == ELF_ST_BIND.STB_WEAK: return "STB_WEAK"
+ elif value == ELF_ST_BIND.STB_LOOS: return "STB_LOOS"
+ elif value == ELF_ST_BIND.STB_HIOS: return "STB_HIOS"
+ elif value == ELF_ST_BIND.STB_LOPROC: return "STB_LOPROC"
+ elif value == ELF_ST_BIND.STB_LOPROC: return "STB_HIPROC"
+ else: return None
+
+class ELF_ST_TYPE:
+ STT_NOTYPE = 0
+ STT_OBJECT = 1
+ STT_FUNC = 2
+ STT_SECTION = 3
+ STT_FILE = 4
+ STT_COMMON = 5
+ STT_TLS = 6
+ STT_LOOS = 10
+ STT_HIOS = 12
+ STT_LOPROC = 13
+ STT_SPARC_REGISTER = 13
+ STT_HIPROC = 15
+
+def get_elf_st_type_string(value):
+ if value == ELF_ST_TYPE.STT_NOTYPE: return "STT_NOTYPE"
+ elif value == ELF_ST_TYPE.STT_OBJECT: return "STT_OBJECT"
+ elif value == ELF_ST_TYPE.STT_FUNC: return "STT_FUNC"
+ elif value == ELF_ST_TYPE.STT_SECTION: return "STT_SECTION"
+ elif value == ELF_ST_TYPE.STT_FILE: return "STT_FILE"
+ elif value == ELF_ST_TYPE.STT_COMMON: return "STT_COMMON"
+ elif value == ELF_ST_TYPE.STT_TLS: return "STT_TLS"
+ elif value == ELF_ST_TYPE.STT_LOOS: return "STT_LOOS"
+ elif value == ELF_ST_TYPE.STT_HIOS: return "STT_HIOS"
+ elif value == ELF_ST_TYPE.STT_LOPROC: return "STT_LOPROC"
+ elif value == ELF_ST_TYPE.STT_SPARC_REGISTER: return "STT_SPARC_REGISTER"
+ elif value == ELF_ST_TYPE.STT_HIPROC: return "STT_HIPROC"
+ else: return None
+
+class ELF_VIS:
+ STV_DEFAULT = 0
+ STV_INTERNAL = 1
+ STV_HIDDEN = 2
+ STV_PROTECTED = 3
+ STV_EXPORTED = 4
+ STV_SINGLETON = 5
+ STV_ELIMINATE = 6
+
+def get_elf_vis_string(value):
+ if value == ELF_VIS.STV_DEFAULT: return "STV_DEFAULT"
+ elif value == ELF_VIS.STV_INTERNAL: return "STV_INTERNAL"
+ elif value == ELF_VIS.STV_HIDDEN: return "STV_HIDDEN"
+ elif value == ELF_VIS.STV_PROTECTED: return "STV_PROTECTED"
+ elif value == ELF_VIS.STV_EXPORTED: return "STV_EXPORTED"
+ elif value == ELF_VIS.STV_SINGLETON: return "STV_SINGLETON"
+ elif value == ELF_VIS.STV_ELIMINATE: return "STV_ELIMINATE"
+ else: return None
+
+class Colors:
+ purple = '\033[95m'
+ blue = '\033[94m'
+ green = '\033[92m'
+ yellow = '\033[93m'
+ red = '\033[91m'
+ grey = '\033[1;37m'
+ darkgrey = '\033[1;30m'
+ cyan = '\033[1;36m'
+ ENDC = '\033[0m'
+ BOLD = '\033[1m'
+ UNDERLINE = '\033[4m'
+
+def openSO_r(path):
+ so = open(path, "rb")
+ return so
+
+def openSO_w(path):
+ so = open(path, "wb")
+ return so
+
+class ELFHDR():
+ def __init__(self, ei_mag, ei_class, ei_data, ei_version, ei_osabi, ei_abiversion,
+ ei_pad, e_type, e_machine, e_version, e_entry, e_phoff,
+ e_shoff, e_flags, e_ehsize, e_phentsize, e_phnum, e_shentsize,
+ e_shnum, e_shstrndx):
+ self.ei_mag = ei_mag
+ self.ei_class = ei_class
+ self.ei_data = ei_data
+ self.ei_version = ei_version
+ self.ei_osabi = ei_osabi
+ self.ei_abiversion = ei_abiversion
+ self.ei_pad = ei_pad
+ self.e_type = e_type
+ self.e_machine = e_machine
+ self.e_version = e_version
+ self.e_entry = e_entry
+ self.e_phoff = e_phoff
+ self.e_shoff = e_shoff
+ self.e_flags = e_flags
+ self.e_ehsize = e_ehsize
+ self.e_phentsize = e_phentsize
+ self.e_phnum = e_phnum
+ self.e_shentsize = e_shentsize
+ self.e_shnum = e_shnum
+ self.e_shstrndx = e_shstrndx
+
+class PHDR():
+ def __init__(self, p_type, p_flags, p_offset, p_vaddr, p_paddr, p_filesz,
+ p_memsz, p_flags2, p_align):
+ self.p_type = p_type
+ self.p_flags = p_flags
+ self.p_offset = p_offset
+ self.p_vaddr = p_vaddr
+ self.p_paddr = p_paddr
+ self.p_filesz = p_filesz
+ self.p_memsz = p_memsz
+ self.p_flags2 = p_flags2
+ self.p_align = p_align
+
+class SHDR():
+ def __init__(self, sh_name, sh_type, sh_flags, sh_addr, sh_offset, sh_size,
+ sh_link, sh_info, sh_addralign, sh_entsize):
+ self.sh_name = sh_name
+ self.sh_type = sh_type
+ self.sh_flags = sh_flags
+ self.sh_addr = sh_addr
+ self.sh_offset = sh_offset
+ self.sh_size = sh_size
+ self.sh_link = sh_link
+ self.sh_info = sh_info
+ self.sh_addralign = sh_addralign
+ self.sh_entsize = sh_entsize
+
+class Symbol_Table_Entry64():
+ def __init__(self, st_name, st_info, st_other, st_shndx, st_value, st_size, st_bind, st_type):
+ self.st_name = st_name
+ self.st_info = st_info
+ self.st_other = st_other
+ self.st_shndx = st_shndx
+ self.st_value = st_value
+ self.st_size = st_size
+ self.st_bind = st_bind
+ self.st_type = st_type
+
+class ELF(object):
+ def __init__(self, so):
+ self.so = so
+ self.so.seek(0, 0)
+ self.elfhdr = ELFHDR(0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0)
+ self.phdr = []
+ self.shhdr = []
+ self.size = int()
+ self.string_tb_e = []
+ self.string_tb_e_dyn = []
+ self.symbol_table_e = []
+ self.data_section = []
+ self.text_section = []
+ self.dlpath = str()
+ self.ph_dyn_ent = []
+ self.dyn_section = []
+ self.dyn_section_ents = []
+ self.rela_dyn = []
+ self.rela_dyn_ents = []
+ self.rela_plt = []
+ self.rela_plt_ents = []
+ self.rodata = []
+
+ def init(self, size):
+ self.size = size
+ self.read_ELF_H(size)
+ self.so.seek(byte2int(self.elfhdr.e_phoff))
+ phnum = byte2int(self.elfhdr.e_phnum)
+ for i in range(0, phnum):
+ self.read_PHDR(size)
+ self.so.seek(byte2int(self.elfhdr.e_shoff))
+ shnum = byte2int(self.elfhdr.e_shnum)
+ for i in range(0, shnum):
+ self.read_SHDR(size)
+ for i in range(0, shnum):
+ type = byte2int(self.shhdr[i].sh_type)
+ if type == sh_type_e.SHT_SYMTAB:
+ self.so.seek(byte2int(self.shhdr[i].sh_offset), 0)
+ symbol_tb = self.so.read(byte2int(self.shhdr[i].sh_size))
+ offset = 0
+ num = int(byte2int(self.shhdr[i].sh_size) / 24)
+ for j in range(0, num):
+ self.read_st_entry(symbol_tb[offset:offset + 24], self.string_tb_e)
+ offset += 24
+ if type == sh_type_e.SHT_DYNSYM:
+ self.so.seek(byte2int(self.shhdr[i].sh_offset), 0)
+ symbol_tb = self.so.read(byte2int(self.shhdr[i].sh_size))
+ offset = 0
+ num = int(byte2int(self.shhdr[i].sh_size) / 24)
+ for j in range(0, num):
+ self.read_st_entry(symbol_tb[offset:offset + 24], self.string_tb_e_dyn)
+ offset += 24
+ self.pop_data_section()
+ self.pop_text_section()
+ self.get_ph_dyn_entries()
+ self.pop_dynamic_entries(".dynamic", self.dyn_section_ents)
+ self.pop_rela(".rela.plt", self.rela_plt, self.rela_plt_ents)
+ self.pop_rela(".rela.dyn", self.rela_dyn, self.rela_dyn_ents)
+ #self.pop_rel()
+
+ def read_ELF_H(self, size):
+ self.elfhdr.ei_mag = self.so.read(4)
+ self.elfhdr.ei_class = self.so.read(1)
+ self.elfhdr.ei_data = self.so.read(1)
+ self.elfhdr.ei_version = self.so.read(1)
+ self.elfhdr.ei_osabi = self.so.read(1)
+ self.elfhdr.ei_abiversion = self.so.read(1)
+ self.elfhdr.ei_pad = self.so.read(7)
+ self.elfhdr.e_type = self.so.read(2)
+ self.elfhdr.e_machine = self.so.read(2)
+ self.elfhdr.e_version = self.so.read(4)
+ if size == 32: self.elfhdr.e_entry = self.so.read(4)
+ elif size == 64: self.elfhdr.e_entry = self.so.read(8)
+ if size == 32: self.elfhdr.e_phoff = self.so.read(4)
+ elif size == 64: self.elfhdr.e_phoff = self.so.read(8)
+ if size == 32: self.elfhdr.e_shoff = self.so.read(4)
+ elif size == 64: self.elfhdr.e_shoff = self.so.read(8)
+ self.elfhdr.e_flags = self.so.read(4)
+ self.elfhdr.e_ehsize = self.so.read(2)
+ self.elfhdr.e_phentsize = self.so.read(2)
+ self.elfhdr.e_phnum = self.so.read(2)
+ self.elfhdr.e_shentsize = self.so.read(2)
+ self.elfhdr.e_shnum = self.so.read(2)
+ self.elfhdr.e_shstrndx = self.so.read(2)
+
+ def read_PHDR(self, size):
+ dummy = PHDR(0,0,0,0,0,0,0,0,0)
+ dummy.p_type = self.so.read(4)
+ if size == 64: dummy.p_flags = self.so.read(4)
+ if size == 32: dummy.p_offset = self.so.read(4)
+ elif size == 64: dummy.p_offset = self.so.read(8)
+ if size == 32: dummy.p_vaddr = self.so.read(4)
+ elif size == 64: dummy.p_vaddr = self.so.read(8)
+ if size == 32: dummy.p_paddr = self.so.read(4)
+ elif size == 64: dummy.p_paddr = self.so.read(8)
+ if size == 32: dummy.p_filesz = self.so.read(4)
+ elif size == 64: dummy.p_filesz = self.so.read(8)
+ if size == 32: dummy.p_memsz = self.so.read(4)
+ elif size == 64: dummy.p_memsz = self.so.read(8)
+ if size == 32: dummy.p_flags2 = self.so.read(4)
+ elif size == 64: pass
+ if size == 32: dummy.p_align = self.so.read(4)
+ elif size == 64: dummy.p_align = self.so.read(8)
+ self.phdr.append(dummy)
+
+ def read_SHDR(self, size):
+ dummy = SHDR(0,0,0,0,0,0,0,0,0,0)
+ dummy.sh_name = self.so.read(4)
+ dummy.sh_type = self.so.read(4)
+ if size == 32: dummy.sh_flags = self.so.read(4)
+ elif size == 64: dummy.sh_flags = self.so.read(8)
+ if size == 32: dummy.sh_addr = self.so.read(4)
+ elif size == 64: dummy.sh_addr = self.so.read(8)
+ if size == 32: dummy.sh_offset = self.so.read(4)
+ elif size == 64: dummy.sh_offset = self.so.read(8)
+ if size == 32: dummy.sh_size = self.so.read(4)
+ elif size == 64: dummy.sh_size = self.so.read(8)
+ dummy.sh_link = self.so.read(4)
+ dummy.sh_info = self.so.read(4)
+ if size == 32: dummy.sh_addralign = self.so.read(4)
+ elif size == 64: dummy.sh_addralign = self.so.read(8)
+ if size == 32: dummy.sh_entsize = self.so.read(4)
+ elif size == 64: dummy.sh_entsize = self.so.read(8)
+ self.shhdr.append(dummy)
+
+ def read_st_entry(self, st, entry_list):
+ dummy = Symbol_Table_Entry64(0,0,0,0,0,0,0,0)
+ dummy.st_name = st[0:4]
+ dummy.st_info = st[4:5]
+ dummy.st_other = st[5:6]
+ dummy.st_shndx = st[6:8]
+ dummy.st_value = st[8:16]
+ dummy.st_size = st[16:24]
+ dummy.st_bind = byte2int(dummy.st_info) >> 4
+ dummy.st_type = byte2int(dummy.st_info) & 0x0f
+ entry_list.append(dummy)
+
+ def read_section_name(self, index):
+ shstrtab_index = byte2int(self.elfhdr.e_shstrndx)
+ name = []
+ self.so.seek(byte2int(self.shhdr[shstrtab_index].sh_offset), 0)
+ strings = self.so.read(byte2int(self.shhdr[shstrtab_index].sh_size))
+ char = strings[index]
+ while chr(char) != "\0":
+ index += 1
+ name.append(chr(char))
+ char = strings[index]
+ return ''.join(name)
+
+ def get_ph_dyn_entries(self):
+ size = 0
+ for phdr in self.phdr:
+ if byte2int(phdr.p_type) == p_type_e.PT_DYNAMIC:
+ self.so.seek(byte2int(phdr.p_offset), 0)
+ size = byte2int(phdr.p_filesz)
+ ph_dyn = self.so.read(size)
+ for i in range(int(size/8)):
+ d_tag = byte2int(ph_dyn[8*i:8*i + 4])
+ d_un = byte2int(ph_dyn[8*i + 4:8*i + 8])
+ self.ph_dyn_ent.append(ph_dynamic_entry(d_tag, d_un))
+
+ def dump_ph_dyn_entries(self):
+ header = ["d_tag", "d_un"]
+ tag_list = [get_ph_dynamic_ent_tag_type(ph.d_tag) for ph in self.ph_dyn_ent]
+ un_list = [ph.d_un for ph in self.ph_dyn_ent]
+ lines = ffs(2, header, True, tag_list, un_list)
+ for line in lines:
+ print(line)
+
+ def dump_funcs(self, dump_b):
+ ret_list = []
+ dummy = []
+ ret_list_int = []
+ for iter in self.string_tb_e:
+ if iter.st_type == ELF_ST_TYPE.STT_FUNC:
+ self.so.seek(int.from_bytes(iter.st_value, byteorder="little"))
+ obj = self.so.read(int.from_bytes(iter.st_size, byteorder="little"))
+ ret_list.append(obj)
+ for byte in obj:
+ dummy.append(int(byte))
+ ret_list_int.append(dummy)
+ dummy = []
+ if dump_b:
+ for obj in ret_list_int:
+ for byte in obj:
+ print(format(byte, "02x") + " ", end="")
+ print("\n")
+
+ return ret_list_int
+
+ def dump_symbol_string(self, stt_type, dump_b):
+ ret_list = []
+ for entry in self.string_tb_e:
+ if entry.st_type == stt_type:
+ ret_list.append("".join(self.get_st_entry_symbol_string(byte2int(entry.st_name), ".strtab")))
+ if dump_b:
+ for name in ret_list:
+ print(name)
+ return ret_list
+
+ def dump_section(self, section_name, dump):
+ hit = False
+ for section in self.shhdr:
+ name = self.read_section_name(byte2int(section.sh_name))
+ if name == section_name:
+ hit = True
+ self.so.seek(byte2int(section.sh_offset))
+ obj = self.so.read(byte2int(section.sh_size))
+ if section_name == ".interp": self.dlpath = repr(obj)
+ count = int()
+ if dump:
+ strrep = []
+ for byte in obj:
+ if count%16 == 0:
+ for ch in strrep:
+ if ord(ch) > 32 and ord(ch) < 127: print(ch, end = '')
+ else: print(" ", end="")
+ print()
+ strrep = []
+ print(format(count, "06x"), ': ', end='')
+ strrep.append(str(chr(byte)))
+ print(format(byte, '02x') + ' ', end='')
+ else:
+ pass
+ strrep += str(chr(byte))
+ print(format(byte, '02x') + ' ', end='')
+ count += 1
+ for i in range(0, 16-count%16): print(" ", end="")
+ for ch in strrep:
+ if ord(ch) > 32 and ord(ch) < 127: print(ch, end = '')
+ else: print(" ", end="")
+ print()
+
+ ret_dummy = []
+ for i in range(0, len(obj)):
+ ret_dummy.append(obj[i])
+ #print(ret_dummy)
+ return ret_dummy
+ if not hit: print(Colors.red + Colors.BOLD + "section is not present" + Colors.ENDC)
+
+ def dump_obj_size(self, stt_type, dump_b):
+ ret_list = []
+ for entry in self.string_tb_e:
+ if entry.st_type == stt_type:
+ ret_list.append(byte2int(entry.st_size))
+ if dump_b:
+ for name in ret_list:
+ print(name)
+ return ret_list
+
+ def dump_symbol_idx(self):
+ header = ["name", "size", "value", "info", "other", "shndx"]
+ name_list = [byte2int(st.st_name) for st in self.string_tb_e]
+ size_list = [byte2int(st.st_size) for st in self.string_tb_e]
+ value_list = [byte2int(st.st_value) for st in self.string_tb_e]
+ info_list = [byte2int(st.st_info) for st in self.string_tb_e]
+ other_list = [byte2int(st.st_other) for st in self.string_tb_e]
+ shndx_list = [byte2int(st.st_shndx) for st in self.string_tb_e]
+ lines = ffs(2, header, True, name_list, size_list, value_list, info_list, other_list, shndx_list)
+ print(Colors.green + Colors.BOLD + "symbol:" + Colors.ENDC)
+ for line in lines:
+ print(line)
+ print(Colors.green + Colors.BOLD + "dyn symbol:" + Colors.ENDC)
+ header = ["name", "size", "value", "info", "other", "shndx"]
+ name_list = [byte2int(st.st_name) for st in self.string_tb_e_dyn]
+ size_list = [byte2int(st.st_size) for st in self.string_tb_e_dyn]
+ value_list = [byte2int(st.st_value) for st in self.string_tb_e_dyn]
+ info_list = [byte2int(st.st_info) for st in self.string_tb_e_dyn]
+ other_list = [byte2int(st.st_other) for st in self.string_tb_e_dyn]
+ shndx_list = [byte2int(st.st_shndx) for st in self.string_tb_e_dyn]
+ lines = ffs(2, header, True, name_list, size_list, value_list, info_list, other_list, shndx_list)
+ for line in lines:
+ print(line)
+
+ def dump_header(self):
+ header = ["ei_mag", "ei_class", "ei_data", "ei_version", "ei_osabi", "ei_abiversion", "ei_pad",
+ "e_type", "e_machine", "e_version", "e_version", "e_entry", "e_phoff", "e_shoff", "e_flags",
+ "e_entsize", "e_phentsize", "e_phnum", "e_shentsize", "e_shnum", "e_shstrndx"]
+ mag_list = [self.elfhdr.ei_mag]
+ class_list = [byte2int(self.elfhdr.ei_class)]
+ data_list = [byte2int(self.elfhdr.ei_data)]
+ version_list = [byte2int(self.elfhdr.ei_version)]
+ osabi_list = [byte2int(self.elfhdr.ei_osabi)]
+ abiversion_list = [byte2int(self.elfhdr.ei_abiversion)]
+ pad_list = [byte2int(self.elfhdr.ei_pad)]
+ type_list = [byte2int(self.elfhdr.e_type)]
+ machine_list = [byte2int(self.elfhdr.e_machine)]
+ version_list = [byte2int(self.elfhdr.e_version)]
+ entry_list = [byte2int(self.elfhdr.e_entry)]
+ phoff_list = [byte2int(self.elfhdr.e_phoff)]
+ shoff_list = [byte2int(self.elfhdr.e_shoff)]
+ flags_list = [byte2int(self.elfhdr.e_flags)]
+ ehsize_list = [byte2int(self.elfhdr.e_ehsize)]
+ phentsize_list = [byte2int(self.elfhdr.e_phentsize)]
+ phnum_list = [byte2int(self.elfhdr.e_phnum)]
+ shentsize_list = [byte2int(self.elfhdr.e_shentsize)]
+ shnum_list = [byte2int(self.elfhdr.e_shnum)]
+ shstrndx_list = [byte2int(self.elfhdr.e_shstrndx)]
+ lines = ffs(2, header, True, mag_list, class_list, data_list, version_list, osabi_list, abiversion_list,
+ pad_list, type_list, machine_list, version_list, entry_list, phoff_list, shoff_list,
+ flags_list, ehsize_list, phentsize_list, phnum_list, shentsize_list, phnum_list, shentsize_list, shnum_list, shstrndx_list)
+ for line in lines:
+ print(line)
+
+ def dump_phdrs(self):
+ header = ["p_type", "p_flags", "p_offset", "p_vaddr", "p_paddr", "p_filesz", "p_memsz", "p_flags2", "p_align"]
+ type_list = [get_ph_type(byte2int(phdr.p_type)) for phdr in self.phdr]
+ flags_list = [get_elf_seg_flag(byte2int(phdr.p_type)) for phdr in self.phdr]
+ offset_list = [byte2int(phdr.p_offset) for phdr in self.phdr]
+ vaddr_list = [byte2int(phdr.p_vaddr) for phdr in self.phdr]
+ paddr_list = [byte2int(phdr.p_paddr) for phdr in self.phdr]
+ filesz_list = [byte2int(phdr.p_filesz) for phdr in self.phdr]
+ memsz_list = [byte2int(phdr.p_memsz) for phdr in self.phdr]
+ flags2_list = [phdr.p_flags2 for phdr in self.phdr]
+ align_list = [byte2hex(phdr.p_align) for phdr in self.phdr]
+
+ lines = ffs(2, header, True, type_list, flags_list, offset_list, vaddr_list, paddr_list, filesz_list, memsz_list, flags2_list, align_list)
+ for line in lines:
+ print(line)
+
+ def dump_shdrs(self):
+ header = ["sh_name", "sh_type", "sh_flags", "sh_addr", "sh_offset", "sh_size", "sh_link", "sh_info", "sh_addralign", "sh_entsize"]
+ name_list = [self.read_section_name(byte2int(shhdr.sh_name)) for shhdr in self.shhdr]
+ type_list = [get_section_type_string(byte2int(shhdr.sh_type)) for shhdr in self.shhdr]
+ flag_list = [byte2int(shhdr.sh_flags) for shhdr in self.shhdr]
+ addr_list = [byte2int(shhdr.sh_addr) for shhdr in self.shhdr]
+ offset_list = [byte2int(shhdr.sh_offset) for shhdr in self.shhdr]
+ size_list = [byte2int(shhdr.sh_size) for shhdr in self.shhdr]
+ link_list = [byte2int(shhdr.sh_link) for shhdr in self.shhdr]
+ info_list = [byte2int(shhdr.sh_info) for shhdr in self.shhdr]
+ allign_list = [byte2int(shhdr.sh_addralign) for shhdr in self.shhdr]
+ entsize_list = [byte2int(shhdr.sh_entsize) for shhdr in self.shhdr]
+
+ lines = ffs(2, header, True, name_list, type_list, flag_list, addr_list, offset_list, size_list, link_list, info_list, allign_list, entsize_list)
+ for line in lines:
+ print(line)
+
+ def dump_symbol_tb(self, name, type):
+ for i in range(0, byte2int(self.elfhdr.e_shnum)):
+ if byte2int(self.shhdr[i].sh_type) == type:
+ if name == self.read_section_name(byte2int(self.shhdr[i].sh_name)):
+ print(Colors.BOLD + Colors.yellow + "STRING TABLE:" + Colors.ENDC)
+ self.so.seek(byte2int(self.shhdr[i].sh_offset), 0)
+ symbol_tb = self.so.read(byte2int(self.shhdr[i].sh_size))
+ for byte in symbol_tb:
+ print(chr(byte), end='')
+ if chr(byte) == '\0': print()
+
+
+ def dump_st_entries(self):
+ header = ["name_index", "name", "value", "size", "info", "other", "shndx", "bind", "type"]
+ idx_list = [byte2int(entry.st_name) for entry in self.string_tb_e]
+ name_list = [ "".join(self.get_st_entry_symbol_string(byte2int(entry.st_name), ".strtab")) for entry in self.string_tb_e]
+ value_list = [byte2int(entry.st_value) for entry in self.string_tb_e]
+ size_list = [byte2int(entry.st_size) for entry in self.string_tb_e]
+ info_list = [byte2int(entry.st_info) for entry in self.string_tb_e]
+ other_list = [byte2int(entry.st_other) for entry in self.string_tb_e]
+ shndx_list = [byte2int(entry.st_shndx) for entry in self.string_tb_e]
+ bind_list = [get_elf_st_bind_string(entry.st_bind) for entry in self.string_tb_e]
+ type_list = [get_elf_st_type_string(entry.st_type) for entry in self.string_tb_e]
+
+ lines = ffs(2, header, True, idx_list, name_list, value_list, size_list, info_list, other_list, shndx_list, bind_list, type_list)
+ for line in lines:
+ print(line)
+
+ def dump_st_entries_dyn(self):
+ header = ["name_index", "name", "value", "size", "info", "other", "shndx", "bind", "type"]
+ idx_list = [byte2int(entry.st_name) for entry in self.string_tb_e_dyn]
+ name_list = [ "".join(self.get_st_entry_symbol_string(byte2int(entry.st_name), ".dynstr")) for entry in self.string_tb_e_dyn]
+ value_list = [byte2int(entry.st_value) for entry in self.string_tb_e_dyn]
+ size_list = [byte2int(entry.st_size) for entry in self.string_tb_e_dyn]
+ info_list = [byte2int(entry.st_info) for entry in self.string_tb_e_dyn]
+ other_list = [byte2int(entry.st_other) for entry in self.string_tb_e_dyn]
+ shndx_list = [byte2int(entry.st_shndx) for entry in self.string_tb_e_dyn]
+ bind_list = [get_elf_st_bind_string(entry.st_bind) for entry in self.string_tb_e_dyn]
+ type_list = [get_elf_st_type_string(entry.st_type) for entry in self.string_tb_e_dyn]
+
+ lines = ffs(2, header, True, idx_list, name_list, value_list, size_list, info_list, other_list, shndx_list, bind_list, type_list)
+ for line in lines:
+ print(line)
+
+ def dump_dyn_sec_ents(self, who):
+ header = ["type_string", "tag", "value", "value(hex)"]
+ tag_string_list = [entry["type_string"] for entry in who]
+ tag_list = [entry["tag"] for entry in who]
+ value_list = [entry["value"] for entry in who]
+ value_list_hex = [hex(entry["value"]) for entry in who]
+ lines = ffs(2, header, True, tag_string_list, tag_list, value_list, value_list_hex)
+ for line in lines:
+ print(line)
+
+ def dump_rela(self, to_dump):
+ header = ["r_offset", "r_info", "r_addend"]
+ r_offset_list = [entry["r_offset"] for entry in to_dump]
+ r_info_list = [entry["r_info"] for entry in to_dump]
+ addend_list = [entry["r_addend"] for entry in to_dump]
+ lines = ffs(2, header, True, r_offset_list, r_info_list, addend_list)
+ for line in lines: print(line)
+
+ def dump_rel(self, to_dump):
+ header = ["r_offset", "r_info"]
+ r_offset_list = [entry["r_offset"] for entry in to_dump]
+ r_info_list = [entry["r_info"] for entry in to_dump]
+ lines = ffs(2, header, True, r_offset_list, r_info_list)
+ for line in lines: print(line)
+
+ def get_st_entry_symbol_string(self, index, section_name):
+ symbol = []
+ for i in range(0, byte2int(self.elfhdr.e_shnum)):
+ name = self.read_section_name(byte2int(self.shhdr[i].sh_name))
+ if byte2int(self.shhdr[i].sh_type) == sh_type_e.SHT_STRTAB and name == section_name:
+ self.so.seek(byte2int(self.shhdr[i].sh_offset) + index, 0)
+ byte = self.so.read(1)
+ while chr(byte[0]) != "\0":
+ if chr(byte[0]) != "\0": symbol.append(chr(byte[0]))
+ byte = self.so.read(1)
+ return symbol
+
+ def get_symbol_string_table(self, offset):
+ symbol = []
+ for i in range(0, int.from_bytes(self.elfhdr.e_shnum, byteorder="little", signed=False)):
+ if int.from_bytes(self.shhdr[i].sh_type, byteorder="little", signed=False) == sh_type_e.SHT_STRTAB:
+ self.so.seek(int.from_bytes(self.shhdr[i].sh_offset, byteorder="little", signed=False) + offset - 0, 0)
+ byte = self.so.read(1)
+ while chr(byte[0]) != "\0":
+ if chr(byte[0]) != "\0": symbol.append(chr(byte[0]))
+ byte = self.so.read(1)
+ return symbol
+
+ def dump_inst_sections(self):
+ indices= []
+ for section in self.shhdr:
+ if int.from_bytes(section.sh_flags, byteorder="little", signed=False) & sh_flags_e.SHF_EXECINSTR == sh_flags_e.SHF_EXECINSTR:
+ indices.append(int.from_bytes(section.sh_name, byteorder="little"))
+ return indices
+
+ def pop_data_section(self):
+ for section in self.shhdr:
+ name = self.read_section_name(byte2int(section.sh_name))
+ if name == ".data":
+ self.so.seek(byte2int(section.sh_offset))
+ self.data_section = self.so.read(byte2int(section.sh_size))
+
+ def pop_text_section(self):
+ for section in self.shhdr:
+ name = self.read_section_name(byte2int(section.sh_name))
+ if name == ".text":
+ self.so.seek(byte2int(section.sh_offset))
+ self.text_section = self.so.read(byte2int(section.sh_size))
+
+ def pop_dynamic_entries(self, section_name, struct_to_pop):
+ for section in self.shhdr:
+ name = self.read_section_name(byte2int(section.sh_name))
+ if name == section_name:
+ self.so.seek(byte2int(section.sh_offset))
+ self.dyn_section = self.so.read(byte2int(section.sh_size))
+ length = int(len(self.dyn_section))
+ tag_type = int()
+ type_string = str()
+ value = int()
+ dummy = {}
+ jmp_val = int()
+ if self.size == 64: jmp_val = 8
+ elif self.size == 32: jmp_val = 4
+ else: jmp_val = 8; print("self.size is not set for class elf.going with 8 as a default.")
+ for offset in range(0, length, jmp_val*2):
+ tag_type = byte2int(self.dyn_section[offset:offset+jmp_val])
+ dummy["tag"] = tag_type
+ value = byte2int(self.dyn_section[offset+jmp_val:offset+(jmp_val*2)])
+ dummy["value"] = value
+ type_string = get_ph_dynamic_ent_tag_type(tag_type)
+ dummy["type_string"] = type_string
+ type_string = str()
+ struct_to_pop.append(dummy)
+ dummy = {}
+
+ def pop_rela(self, section_name, section_whole, to_pop):
+ size = int()
+ entsize = int()
+ dummy = {}
+ step = int()
+ if self.size == 64: step = 8
+ if self.size == 32: step = 4
+ for section in self.shhdr:
+ name = self.read_section_name(byte2int(section.sh_name))
+ if name == section_name:
+ self.so.seek(byte2int(section.sh_offset))
+ section_whole = self.so.read(byte2int(section.sh_size))
+ size = byte2int(section.sh_size)
+ entsize = byte2int(section.sh_entsize)
+ for i in range(0, int(size/entsize)):
+ dummy["r_offset"] = byte2int(section_whole[i*entsize:i*entsize+step])
+ dummy["r_info"] = byte2int(section_whole[i*entsize+step:i*entsize+(step*2)])
+ dummy["r_addend"] = byte2int(section_whole[i*entsize+(step*2):i*entsize+(step*3)], sign=True)
+ to_pop.append(dummy)
+ dummy = {}
+
+ def pop_rel(self, section_name, section_whole, to_pop):
+ size = int()
+ entsize = int()
+ dummy = {}
+ step = int()
+ if self.size == 64: step = 8
+ if self.size == 32: step = 4
+ for section in self.shhdr:
+ name = self.read_section_name(byte2int(section.sh_name))
+ if name == section_name:
+ self.so.seek(byte2int(section.sh_offset))
+ section_whole = self.so.read(byte2int(section.sh_size))
+ size = byte2int(section.sh_size)
+ entsize = byte2int(section.sh_entsize)
+ for i in range(0, int(size/entsize)):
+ dummy["r_offset"] = byte2int(section_whole[i*entsize:i*entsize+step])
+ dummy["r_info"] = byte2int(section_whole[i*entsize+step:i*entsize+(step*2)])
+ to_pop.append(dummy)
+ dummy = {}
+
+
+class obj_loader():
+ def __init__(self, bytes):
+ self.memory = bytes()
+
+ def load(self, obj):
+ for byte in obj:
+ self.memory.append(byte)
+
+def ch_so_to_exe(path):
+ so = open(path, "r+b")
+ so.seek(16)
+ so.write(bytes([2]))
+ print(Colors.purple + "changed so to exe" + Colors.ENDC)
+ so.close
+
+def ch_exe_to_so(path):
+ so = open(path, "r+b")
+ so.seek(16)
+ so.write(bytes([3]))
+ print(Colors.purple + "changed exe to so" + Colors.ENDC)
+ so.close
+
+def elf_init():
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+
+def elf_get_func_names():
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+ return elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, False)
+
+def elf_get_text_section():
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+ return elf.dump_section(".text", False)
+
+def elf_get_section(name):
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+ return elf.dump_section(name, False)
+
+def elf_get_rodata_section():
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+ return elf.dump_section(".rodata", False)
+
+# obj here means variables or what the C standard means by objects
+def elf_get_obj_names():
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+ return elf.dump_symbol_string(ELF_ST_TYPE.STT_OBJECT, False)
+
+# obj here means variables or what the C standard means by objects
+def elf_get_obj_sizes():
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+ return elf.dump_obj_size(ELF_ST_TYPE.STT_OBJECT, False)
+
+def elf_get_func_code():
+ so = openSO_r(sys.argv[1])
+ elf = ELF(so)
+ elf.init(64)
+ return elf.dump_funcs(False)
+
+def elf_get_func_code_byname():
+ so = openSO_r(sys.argv[1])
+ arg = openSO_r(sys.argv[2])
+ elf = ELF(so)
+ elf.init(64)
+ counter = 0
+ hit = False
+ for name in elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, False):
+ if name == arg:
+ code = elf.dump_funcs(False)[counter]
+ hit = True
+ counter += 1
+ return code
+
+class Call_Rewriter(object):
+ #def __init__(self, obj_code, arch, mode):
+ def __init__(self, obj_code):
+ self.obj_code = bytes(obj_code)
+ self.md = Cs(CS_ARCH_X86, CS_MODE_64)
+ #self.md = Cs(arch, mode)
+
+ def dumpall(self):
+ for i in self.md.disasm(self.obj_code, 0x1):
+ print("0x%x:\t%s\t%s" %(i.address, i.mnemonic, i.op_str))
+
+ def run(self):
+ for i in self.md.disasm(self.obj_code, 0x1):
+ if i.mnemonic == "call":
+ print("0x%x:\t%s\t%s" %(i.address, i.mnemonic, i.op_str))
+ print(i.bytes)
+
+class Global_Rewriter(object):
+ def __init__(self):
+ pass
+
+class Rewriter(object):
+ def __init__(self, path, new_name):
+ so = openSO_r(path)
+ self.elf = ELF(so)
+ self.elf.init(64)
+ #shutil.copyfile(path, "/tmp/exe")
+ self.magic_section_number = int()
+ self.new_name = new_name
+ self.shdr_new_size = []
+ self.shdr_new_offset = []
+
+ def fix_section_offsets(self, section_name, new_size:int, new_section:bytes):
+ file_w = open(self.new_name, "wb")
+ magic_number = int()
+ for i in range(0, byte2int(self.elf.elfhdr.e_shnum)):
+ name = self.elf.read_section_name(byte2int(self.elf.shhdr[i].sh_name))
+ if section_name == name:
+ self.magic_section_number = i
+ print(self.magic_section_number)
+
+ ### copy the sections before magic_number
+ ### write in the new section
+ ### fix section headers
+
+ end = int()
+ #for i in range(self.magic_section_number, byte2int(self.elf.elfhdr.e_shnum) + 1):
+ for i in range(0, byte2int(self.elf.elfhdr.e_shnum)):
+ if i > self.magic_section_number:
+ extra_chunk = end % byte2int(self.elf.shhdr[i].sh_addralign)
+ missing_chunk = byte2int(self.elf.shhdr[i].sh_addralign) - extra_chunk
+ assert missing_chunk > 0, "missing chunk is negative"
+ self.shdr_new_size.append(byte2int(self.elf.shhdr[i].sh_size))
+ self.shdr_new_offset.append(end + missing_chunk%byte2int(self.elf.shhdr[i].sh_addralign))
+ end = self.shdr_new_offset[-1] + self.shdr_new_size[-1]
+
+ elif i < self.magic_section_number:
+ self.shdr_new_size.append(byte2int(self.elf.shhdr[i].sh_size))
+ self.shdr_new_offset.append(byte2int(self.elf.shhdr[i].sh_offset))
+ elif i == self.magic_section_number:
+ self.shdr_new_size.append(new_size)
+ self.shdr_new_offset.append(byte2int(self.elf.shhdr[i].sh_offset))
+ end = byte2int(self.elf.shhdr[i].sh_offset) + new_size
+ for size in self.shdr_new_size: print(repr(i) + " new size is " + repr(size))
+ for offset in self.shdr_new_offset: print(repr(i) + " new offset is " + repr(offset))
+
+def premain(argparser):
+ so = openSO_r(argparser.args.obj)
+ elf = ELF(so)
+ elf.init(64)
+ if argparser.args.header: elf.dump_header()
+ elif argparser.args.symboltable:
+ elf.dump_symbol_tb(".strtab", sh_type_e.SHT_STRTAB)
+ elf.dump_symbol_tb(".dynstr", sh_type_e.SHT_STRTAB)
+ elif argparser.args.phdrs: elf.dump_phdrs()
+ elif argparser.args.shdrs: elf.dump_shdrs()
+ elif argparser.args.symbolindex: elf.dump_symbol_idx()
+ elif argparser.args.stentries: elf.dump_st_entries()
+ elif argparser.args.objcode: elf.dump_funcs(True)
+ elif argparser.args.funcs: elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, True)
+ elif argparser.args.objs: elf.dump_symbol_string(ELF_ST_TYPE.STT_OBJECT, True)
+ elif argparser.args.dynsym: elf.dump_st_entries_dyn()
+ elif argparser.args.dlpath: elf.dump_section(".interp", True)
+ elif argparser.args.section: elf.dump_section(argparser.args.section, True)
+ elif argparser.args.test2:
+ rewriter = Rewriter(argparser.args.obj, "new_exe")
+ new_text = bytes()
+ rewriter.fix_section_offsets(".text", 1000, new_text)
+ elif argparser.args.dumpfunc:
+ counter = 0
+ for name in elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, False):
+ if name == argparser.args.dumpfunc:
+ print(Colors.red + Colors.BOLD + name + Colors.ENDC)
+ code = elf.dump_funcs(False)[counter]
+ print(code)
+ counter += 1
+ elif argparser.args.dumpfuncasm:
+ counter = 0
+ hit = False
+ for name in elf.dump_symbol_string(ELF_ST_TYPE.STT_FUNC, False):
+ if name == argparser.args.dumpfuncasm:
+ code = elf.dump_funcs(False)[counter]
+ hit = True
+ counter += 1
+ if hit:
+ md = Cs(CS_ARCH_X86, CS_MODE_64)
+ for i in md.disasm(bytes(code), 0x0):
+ print(hex(i.address).ljust(7), i.mnemonic.ljust(7), i.op_str)
+ elif argparser.args.phdynent: elf.dump_ph_dyn_entries()
+ elif argparser.args.disass:
+ for section in elf.shhdr:
+ name = elf.read_section_name(byte2int(section.sh_name))
+ if name == argparser.args.disass:
+ if byte2int(section.sh_flags) & 0x4 != 0x04:
+ print("section is not executable...but, since you asked, here you go...")
+ elf.so.seek(byte2int(section.sh_offset))
+ code = elf.so.read(byte2int(section.sh_size))
+ md = Cs(CS_ARCH_X86, CS_MODE_64)
+ for i in md.disasm(bytes(code), 0x0):
+ print(hex(i.address).ljust(7), i.mnemonic.ljust(7), i.op_str)
+ elif argparser.args.textasm:
+ md = Cs(CS_ARCH_X86, CS_MODE_64)
+ for i in md.disasm(bytes(elf.text_section), 0x0):
+ print(hex(i.address).ljust(7), i.mnemonic.ljust(7), i.op_str)
+ elif argparser.args.dynsecents: elf.dump_dyn_sec_ents(elf.dyn_section_ents)
+ elif argparser.args.reladyn: elf.dump_rela(elf.rela_dyn_ents)
+ elif argparser.args.relaplt: elf.dump_rela(elf.rela_plt_ents)
+ else: print("why even bother if you were not gonna type anythng decent in?")
+
+def main():
+ argparser = CLIArgParser()
+ if argparser.args.dbg:
+ try:
+ premain(argparser)
+ except Exception as e:
+ print(e.__doc__)
+ if e.message: print(e.message)
+ signal.signal(signal.SIGINT, SigHandler_SIGINT)
+ variables = globals().copy()
+ variables.update(locals())
+ shell = code.InteractiveConsole(variables)
+ shell.interact(banner="DELF REPL")
+ else:
+ premain(argparser)
+
+if __name__ == "__main__":
+ main()
diff --git a/test/compile_commands.json b/test/compile_commands.json
new file mode 100644
index 0000000..ca764a6
--- /dev/null
+++ b/test/compile_commands.json
@@ -0,0 +1,7 @@
+[
+ {
+ "command": "cc -c -fpic -O0 -g -v --debug -o test.o test.c",
+ "directory": "/home/bloodstalker/extra/delf/test",
+ "file": "/home/bloodstalker/extra/delf/test/test.c"
+ }
+] \ No newline at end of file
diff --git a/test/makefile b/test/makefile
new file mode 100644
index 0000000..9414f84
--- /dev/null
+++ b/test/makefile
@@ -0,0 +1,35 @@
+
+##################################VARS#################################
+CC?=gcc
+CC=gcc
+CC_FLAGS=-fpic -O0 -g -v --debug
+#LD_FLAGS= -l bfd
+LD_FLAGS=
+TARGET=test
+##################################RULES################################
+.DEFAULT:all
+
+.PHONY:all clean help
+
+all:$(TARGET) $(TARGET).so $(TARGET).asm
+
+.c.o:
+ $(CC) $(CC_FLAGS) -c $< -o $@
+
+$(TARGET): $(TARGET).o
+ $(CC) $^ $(LD_FLAGS) -o $@
+
+$(TARGET).asm: $(TARGET).o
+ objdump -r -d -M intel -S $(TARGET).o > $(TARGET).asm
+
+$(TARGET).so: $(TARGET).o
+ $(CC) $^ $(LD_FLAGS) -shared -o $@
+
+clean:
+ rm -f *.o *~ $(TARGET) $(TARGET).so $(TARGET).asm
+
+help:
+ @echo 'all builds so and exe. all is the default.'
+ @echo 'clean runs clean.'
+ @echo 'help runs help.'
+
diff --git a/test/test.c b/test/test.c
new file mode 100644
index 0000000..00f92ad
--- /dev/null
+++ b/test/test.c
@@ -0,0 +1,32 @@
+#include "stdio.h"
+
+int myfunc1(void) {return 1;}
+int myfunc2(void) {return 2;}
+int myfunc3(void) {return 3;}
+int myfunc4(void) {return 4;}
+int myfunc5(void) {return 5;}
+int myfunc6(void) {return 6;}
+int add2(int a, int b) {return a + b;}
+int sub2(int a, int b) {return a - b;}
+double adddouble(double a, double b) {return a+b;}
+double subdouble(double a, double b) {return a-b;}
+double triple(double a, double b, double c) {return a+b+c;}
+int quad(int a, int b, int c, int d) {return add2(a,b) + add2(c,d);}
+const char* passthrough(const char* a) {return a;}
+void ext_1(void) {printf("%s", "hey there sleepy-head.\n");}
+
+int myvar1 = 1;
+int myvar2 = 2;
+int myvar3 = 3;
+int myvar4 = 4;
+
+int glob(void) {return myvar1+myvar2+myvar3+myvar4;}
+
+int main(int argc, char** argv) {
+ int sum;
+ sum = add2(10, 20);
+ printf("i live!\n");
+ int res = sub2(20, 10);
+ ext_1();
+ return quad(1,2,3,4);
+}