inliver233
c66658b6b3
Progressive-disclosure skill for Android APK reverse engineering: recon, ad removal, membership limits, dex surgical patching, repack/sign, runtime data, Frida, environment setup, and a hard-won failure catalogue.
85 lines
3.3 KiB
Python
85 lines
3.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""One-shot builder: copy the battle-tested tools from the project workspace into
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the skill, stripping machine-specific hardcoding.
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Run from anywhere: python build_scripts.py <project_work_dir> <skill_scripts_dir>
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"""
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import os
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import re
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import shutil
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import sys
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SRC = sys.argv[1] if len(sys.argv) > 1 else r'E:\ciyuan\work'
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DST = sys.argv[2] if len(sys.argv) > 2 else r'E:\ciyuan\apk-reverse\scripts'
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# file -> (new name, list of (pattern, replacement))
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COPY = {
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r'tools\dex_strpatch.py': ('dex_strpatch.py', []),
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r'tools\dex_classdiff.py': ('dex_classdiff.py', []),
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r'tools\patch_smali.py': ('patch_smali.py', []),
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r'tools\repack.py': ('repack.py', [
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# strip machine-specific defaults; make them explicit args
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(re.compile(r'KS_PATH\s*=\s*r?["\'][^"\']*["\']'), 'KS_PATH = None # pass --ks on the command line'),
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(re.compile(r"workdir'?,?\s*default=r?['\"][^'\"]*['\"]"), "workdir', default=None"),
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]),
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r'tools\cyc_proxy.py': ('usb_net_proxy.py', []),
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r'tools\mk_video_prefs.py': ('datastore_inject.py', []),
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r'tools\probe_adverts.py': ('probe_api.py', []),
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r'tools\grab_crash.py': ('grab_crash.py', []),
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}
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def clean(text):
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"""Remove absolute paths that point at one particular machine."""
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text = re.sub(r"r?'[A-Za-z]:\\\\[^'\"]*'", "''", text)
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text = re.sub(r'"[A-Za-z]:\\\\[^"]*"', '""', text)
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return text
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def main():
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os.makedirs(DST, exist_ok=True)
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os.makedirs(os.path.join(DST, 'dexpatch'), exist_ok=True)
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for rel, (new, subs) in COPY.items():
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src = os.path.join(SRC, rel)
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if not os.path.isfile(src):
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print('[skip missing] %s' % rel)
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continue
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t = open(src, encoding='utf-8', errors='replace').read()
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for pat, rep in subs:
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t = pat.sub(rep, t)
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out = os.path.join(DST, new)
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with open(out, 'w', encoding='utf-8', newline='\n') as f:
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f.write(t)
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print('[copied] %-24s -> %s' % (rel, new))
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# dexlib2 patcher sources
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for rel, new in [(r'tools\dexpatch\PatchMethod.java', 'PatchMethod.java'),
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(r'tools\dexpatch\PatchClasses7v2.java', 'PatchMethodExample.java')]:
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src = os.path.join(SRC, rel)
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if os.path.isfile(src):
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t = open(src, encoding='utf-8', errors='replace').read()
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with open(os.path.join(DST, 'dexpatch', new), 'w',
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encoding='utf-8', newline='\n') as f:
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f.write(t)
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print('[copied] %-24s -> dexpatch/%s' % (rel, new))
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else:
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print('[skip missing] %s' % rel)
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# cp.txt content -> smali_cp.txt template
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cp = os.path.join(SRC, 'tools', 'dexpatch', 'cp.txt')
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if os.path.isfile(cp):
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raw = open(cp, encoding='utf-8').read().strip()
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jars = [j for j in raw.split(';') if j.strip()]
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with open(os.path.join(DST, 'smali_cp.txt'), 'w', encoding='utf-8', newline='\n') as f:
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f.write('# One jar path per line. Adjust the directory to your own tools.\n')
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f.write('# Needed: smali baksmali dexlib2 util antlr-runtime stringtemplate '
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'jcommander guava\n')
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for j in jars:
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f.write(os.path.basename(j) + '\n')
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print('[wrote] smali_cp.txt (%d jars)' % len(jars))
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if __name__ == '__main__':
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main()
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