mirror of
https://github.com/clearml/dropbear
synced 2025-01-31 02:46:58 +00:00
41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
from pathlib import Path
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import sys
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from test_dropbear import *
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def test_reexec(request, dropbear):
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"""
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Tests that two consecutive connections have different address layouts.
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This indicates that re-exec makes ASLR work
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"""
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map_script = (Path(request.node.fspath).parent / "parent_dropbear_map.py").resolve()
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activate = own_venv_command()
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if activate == "":
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cmd = map_script
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else:
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# run within the same venv, for python deps
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cmd = f"{activate}; {map_script}"
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print(cmd)
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r = dbclient(request, cmd, capture_output=True, text=True)
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map1 = r.stdout.rstrip()
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print(r.stderr, file=sys.stderr)
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r.check_returncode()
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r = dbclient(request, cmd, capture_output=True, text=True)
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map2 = r.stdout.rstrip()
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print(r.stderr, file=sys.stderr)
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r.check_returncode()
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print(map1)
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print(map2)
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# expect something like
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# "563174d59000-563174d5d000 r--p 00000000 00:29 4242372 /home/matt/src/dropbear/build/dropbear"
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assert map1.endswith('/dropbear') or map1.endswith('/dropbearmulti')
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a1 = map1.split()[0]
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a2 = map2.split()[0]
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print(a1)
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print(a2)
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# relocation addresses should differ
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assert a1 != a2
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