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64 lines
1.9 KiB
Python
64 lines
1.9 KiB
Python
import re
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import gdb
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import pwndbg.commands
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import tests
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USE_FDS_BINARY = tests.binaries.get("use-fds.out")
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def test_context_disasm_show_fd_filepath(start_binary):
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"""
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Tests context disasm command and whether it shows properly opened fd filepath
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"""
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start_binary(USE_FDS_BINARY)
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# Run until main
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gdb.execute("break main")
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gdb.execute("continue")
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# Stop on read(0, ...) -> should show /dev/pts/X or pipe:X on CI
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gdb.execute("nextcall")
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out = pwndbg.commands.context.context_disasm()
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assert "[ DISASM / x86-64 / set emulate on ]" in out[0] # Sanity check
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call_read_line_idx = out.index(next(line for line in out if "<read@plt>" in line))
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lines_after_call_read = out[call_read_line_idx:]
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line_call_read, line_fd, line_buf, line_nbytes, *_rest = lines_after_call_read
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assert "call read@plt" in line_call_read
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line_fd = line_fd.strip()
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assert re.match(r"fd:\s+0x1 \((/dev/pts/\d+|pipe:\[\d+\])\)", line_fd)
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line_buf = line_buf.strip()
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assert re.match(r"buf:\s+0x[0-9a-f]+ ◂— 0x0", line_buf)
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line_nbytes = line_nbytes.strip()
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assert re.match(r"nbytes:\s+0x0", line_nbytes)
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# Stop on open(...)
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gdb.execute("nextcall")
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# Stop on read(...) -> should show use-fds.out
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gdb.execute("nextcall")
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out = pwndbg.commands.context.context_disasm()
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assert "[ DISASM / x86-64 / set emulate on ]" in out[0] # Sanity check
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call_read_line_idx = out.index(next(line for line in out if "<read@plt>" in line))
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lines_after_call_read = out[call_read_line_idx:]
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line_call_read, line_fd, line_buf, line_nbytes, *_rest = lines_after_call_read
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line_fd = line_fd.strip()
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assert re.match(r"fd:\s+0x3 \([a-z/]*pwndbg/tests/binaries/use-fds.out\)", line_fd)
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line_buf = line_buf.strip()
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assert re.match(r"buf:\s+0x[0-9a-f]+ ◂— 0x0", line_buf)
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line_nbytes = line_nbytes.strip()
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assert re.match(r"nbytes:\s+0x10", line_nbytes)
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