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fix security #62626

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merged 1 commit into from
Mar 13, 2024
Merged

fix security #62626

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11 changes: 11 additions & 0 deletions python/paddle/base/core.py
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Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,7 @@

import os
import platform
import re
import site
import sys
import warnings
Expand Down Expand Up @@ -193,8 +194,18 @@ def run_shell_command(cmd):
return out.decode('utf-8').strip()


def is_valid_filename(filename):
pattern = re.compile(r'^[a-zA-Z0-9_.-]+$')
if pattern.match(filename):
return True
else:
return False


def get_dso_path(core_so, dso_name):
if core_so and dso_name:
assert is_valid_filename(core_so), 'core_so must be a file name.'
assert is_valid_filename(dso_name), 'dso_name must be a file name.'
return run_shell_command(
f"ldd {core_so}|grep {dso_name}|awk '{{print $3}}'"
)
Expand Down