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Enable to add relocation associated with symbol
Resolve #184
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| #!/usr/bin/env python | ||
| import unittest | ||
| import logging | ||
| import os | ||
| import sys | ||
| import stat | ||
| import re | ||
| import subprocess | ||
| import tempfile | ||
| import shutil | ||
| from subprocess import Popen | ||
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| import lief | ||
| from lief.ELF import Section | ||
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| from unittest import TestCase | ||
| from utils import get_sample | ||
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| class TestRelocations(TestCase): | ||
| def setUp(self): | ||
| self.logger = logging.getLogger(__name__) | ||
| self.tmp_dir = tempfile.mkdtemp(suffix='_lief_test_relocations') | ||
| self.logger.debug("temp dir: {}".format(self.tmp_dir)) | ||
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| @unittest.skipUnless(sys.platform.startswith("linux"), "requires Linux") | ||
| def test_simple(self): | ||
| sample_path = get_sample('ELF/ELF64_x86-64_binary_ls.bin') | ||
| output = os.path.join(self.tmp_dir, "ls.relocation") | ||
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| ls = lief.parse(sample_path) | ||
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| relocation = lief.ELF.Relocation(0x61D370, type=lief.ELF.RELOCATION_X86_64.JUMP_SLOT, is_rela=True) | ||
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| symbol = lief.ELF.Symbol() | ||
| symbol.name = "printf123" | ||
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| relocation.symbol = symbol | ||
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| ls.add_pltgot_relocation(relocation) | ||
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| ls.write(output) | ||
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| st = os.stat(output) | ||
| os.chmod(output, st.st_mode | stat.S_IEXEC) | ||
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| p = Popen([output, "--version"], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) | ||
| stdout, _ = p.communicate() | ||
| self.logger.debug(stdout.decode("utf8")) | ||
| self.assertIsNotNone(re.search(r'ls \(GNU coreutils\) ', stdout.decode("utf8"))) | ||
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| @unittest.skipUnless(sys.platform.startswith("linux"), "requires Linux") | ||
| def test_all(self): | ||
| sample_path = get_sample('ELF/ELF64_x86-64_binary_all.bin') | ||
| output = os.path.join(self.tmp_dir, "all.relocation") | ||
|
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| target = lief.parse(sample_path) | ||
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| relocation = lief.ELF.Relocation(0x201028, type=lief.ELF.RELOCATION_X86_64.JUMP_SLOT, is_rela=True) | ||
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| symbol = lief.ELF.Symbol() | ||
| symbol.name = "printf123" | ||
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| relocation.symbol = symbol | ||
| target.add_pltgot_relocation(relocation) | ||
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| target.write(output) | ||
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| st = os.stat(output) | ||
| os.chmod(output, st.st_mode | stat.S_IEXEC) | ||
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| p = Popen([output], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) | ||
| stdout, _ = p.communicate() | ||
| self.logger.debug(stdout.decode("utf8")) | ||
| self.assertIsNotNone(re.search(r'Hello World: 1', stdout.decode("utf8"))) | ||
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| @unittest.skipUnless(sys.platform.startswith("linux"), "requires Linux") | ||
| def test_all32(self): | ||
| sample_path = get_sample('ELF/ELF32_x86_binary_all.bin') | ||
| output = os.path.join(self.tmp_dir, "all32.relocation") | ||
| output = "/tmp/foo" | ||
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| target = lief.parse(sample_path) | ||
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| relocation = lief.ELF.Relocation(0x2018, type=lief.ELF.RELOCATION_i386.JUMP_SLOT, is_rela=False) | ||
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| symbol = lief.ELF.Symbol() | ||
| symbol.name = "printf123" | ||
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| relocation.symbol = symbol | ||
| target.add_pltgot_relocation(relocation) | ||
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| target.write(output) | ||
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| st = os.stat(output) | ||
| os.chmod(output, st.st_mode | stat.S_IEXEC) | ||
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| p = Popen([output], stdout=subprocess.PIPE, stderr=subprocess.STDOUT) | ||
| stdout, _ = p.communicate() | ||
| self.logger.debug(stdout.decode("utf8")) | ||
| self.assertIsNotNone(re.search(r'Hello World: 1', stdout.decode("utf8"))) | ||
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| def tearDown(self): | ||
| # Delete it | ||
| if os.path.isdir(self.tmp_dir): | ||
| #shutil.rmtree(self.tmp_dir) | ||
| pass | ||
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| if __name__ == '__main__': | ||
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| root_logger = logging.getLogger() | ||
| root_logger.setLevel(logging.DEBUG) | ||
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| ch = logging.StreamHandler() | ||
| ch.setLevel(logging.DEBUG) | ||
| root_logger.addHandler(ch) | ||
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| unittest.main(verbosity=2) | ||
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