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b8ce3c74cd
Allow native matching representation budgets to be selected at runtime or launch while retaining the 96 MiB default and main shared-provenance accounting. Preserve actionable configuration recovery through the setting owner and verify complete CLI/MCP matches for 20k/50k synthetic inventories and real stripped LLVM 14/15 inventories. Fixes #6406. Based on #7112 by Kaoru0822; original authorship and co-author credit retained. Co-authored-by: Kaoru0822 <208281322+kaoru0822-kitauji@users.noreply.github.com> Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>
24 lines
1.7 KiB
Python
24 lines
1.7 KiB
Python
import json,subprocess,argparse,hashlib
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p=argparse.ArgumentParser();p.add_argument("--left-target",required=True);p.add_argument("--right-target",required=True);p.add_argument("--matching-report",required=True);p.add_argument("--matching-bundle",required=True);args=p.parse_args()
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paths=[args.left_target,args.right_target]
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receipt=json.load(open(args.matching_report))
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for i,path in enumerate(paths):
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h=hashlib.sha256()
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with open(path,'rb') as f:
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for chunk in iter(lambda:f.read(1024*1024),b''):h.update(chunk)
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assert h.hexdigest()==receipt['sources'][i]['subject']['digest']['sha256']
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names=[]
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for p in paths:
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r=subprocess.run(['nm','--without-symbol-versions','--dynamic','--no-demangle','--format=posix',p],capture_output=True,text=True,check=True,timeout=20)
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rows=[line.split() for line in r.stdout.splitlines() if line]
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assert all(2<=len(row)<=4 and len(row[1])==1 for row in rows)
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names.append({row[0] for row in rows})
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report=receipt;bundle=json.load(open(args.matching_bundle));source=next(e for e in bundle['records'] if e['evidence_id']==report['parent_evidence_id']);matches=[m for m in source['normalized_result']['matches'] if m['state']=='matched'];common=names[0]&names[1]
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verified=[];other=[]
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for m in matches:
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assert m['basis']=='exact-symbol' and len(m['left'])==len(m['right'])==1
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a=m['left'][0];b=m['right'][0];assert a['name']==b['name']
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(verified if a['name'] in common else other).append(a['name'])
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r={'command':['nm','--without-symbol-versions','--dynamic','--no-demangle','--format=posix'],'source_files':paths,'common_raw_dynamic_names':len(common),'matched_correspondences':len(matches),'raw_name_corroborated':len(verified),'provider_only_names':len(other),'provider_only_examples':other[:8]}
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print(json.dumps(r,indent=2))
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