107 lines
3.1 KiB
Python
107 lines
3.1 KiB
Python
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import pefile
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import sys
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import re
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import os
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import queue
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import shutil
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# constant definitions
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KNOWN_SYS_DLLS = ['WINMM.DLL', 'MSVCRT.DLL', 'VERSION.DLL', 'MPR.DLL',
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'DWMAPI.DLL', 'UXTHEME.DLL', 'DNSAPI.DLL', 'IPHLPAPI.DLL']
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# below is for Ubuntu 18.04 with specified PPA enabled, if you are using
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# other distro or different repositories, change the following accordingly
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DLL_PATH = [
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'/usr/x86_64-w64-mingw32/bin/',
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'/usr/x86_64-w64-mingw32/lib/',
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'/usr/lib/gcc/x86_64-w64-mingw32/7.3-posix/'
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]
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missing = []
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def parse_imports(file_name):
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results = []
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pe = pefile.PE(file_name, fast_load=True)
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pe.parse_data_directories()
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for entry in pe.DIRECTORY_ENTRY_IMPORT:
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current = entry.dll.decode()
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current_u = current.upper() # b/c Windows is often case insensitive
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# here we filter out system dlls
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# dll w/ names like *32.dll are likely to be system dlls
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if current_u.upper() not in KNOWN_SYS_DLLS and not re.match(string=current_u, pattern=r'.*32\.DLL'):
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results.append(current)
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return results
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def parse_imports_recursive(file_name, path_list=[]):
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q = queue.Queue() # create a FIFO queue
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# file_name can be a string or a list for the convience
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if isinstance(file_name, str):
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q.put(file_name)
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elif isinstance(file_name, list):
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for i in file_name:
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q.put(i)
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full_list = []
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while q.qsize():
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current = q.get_nowait()
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print('> %s' % current)
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deps = parse_imports(current)
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# if this dll does not have any import, ignore it
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if not deps:
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continue
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for dep in deps:
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# the dependency already included in the list, skip
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if dep in full_list:
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continue
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# find the requested dll in the provided paths
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full_path = find_dll(dep)
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if not full_path:
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missing.append(dep)
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continue
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full_list.append(dep)
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q.put(full_path)
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path_list.append(full_path)
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return full_list
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def find_dll(name):
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for path in DLL_PATH:
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for root, _, files in os.walk(path):
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for f in files:
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if name.lower() == f.lower():
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return os.path.join(root, f)
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def deploy(name, dst, dry_run=False):
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dlls_path = []
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parse_imports_recursive(name, dlls_path)
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for dll_entry in dlls_path:
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if not dry_run:
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shutil.copy(dll_entry, dst)
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else:
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print('[Dry-Run] Copy %s to %s' % (dll_entry, dst))
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print('Deploy completed.')
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return dlls_path
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def main():
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if len(sys.argv) < 3:
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print('Usage: %s [files to examine ...] [target deploy directory]')
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return 1
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to_deploy = sys.argv[1:-1]
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tgt_dir = sys.argv[-1]
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if not os.path.isdir(tgt_dir):
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print('%s is not a directory.' % tgt_dir)
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return 1
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print('Scanning dependencies...')
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deploy(to_deploy, tgt_dir)
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if missing:
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print('Following DLLs are not found: %s' % ('\n'.join(missing)))
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return 0
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if __name__ == '__main__':
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main()
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