Merge "releasetools: Clean up check_target_files_signatures.py." (d82b810a) · Commits · e / os / android_build

tools/releasetools/check_target_files_signatures.py

+63 −54

Original line number	Diff line number	Diff line
		@@ -39,8 +39,11 @@ Usage: check_target_file_signatures [flags] target_files

		"""

		from __future__ import print_function

		import logging
		import os
		import os.path
		import re
		import subprocess
		import sys
		@@ -49,7 +52,7 @@ import zipfile
		import common

		if sys.hexversion < 0x02070000:
		print >> sys.stderr, "Python 2.7 or newer is required."
		print("Python 2.7 or newer is required.", file=sys.stderr)
		sys.exit(1)


		@@ -65,8 +68,10 @@ logger = logging.getLogger(__name__)
		class MyZipInfo(zipfile.ZipInfo):
		def _decodeExtra(self):
		pass

		zipfile.ZipInfo = MyZipInfo


		OPTIONS = common.OPTIONS

		OPTIONS.text = False
		@@ -76,28 +81,34 @@ OPTIONS.local_cert_dirs = ("vendor", "build")
		PROBLEMS = []
		PROBLEM_PREFIX = []


		def AddProblem(msg):
		PROBLEMS.append(" ".join(PROBLEM_PREFIX) + " " + msg)


		def Push(msg):
		PROBLEM_PREFIX.append(msg)


		def Pop():
		PROBLEM_PREFIX.pop()


		def Banner(msg):
		print "-" * 70
		print " ", msg
		print "-" * 70
		print("-" * 70)
		print(" ", msg)
		print("-" * 70)


		def GetCertSubject(cert):
		p = common.Run(["openssl", "x509", "-inform", "DER", "-text"],
		stdin=subprocess.PIPE,
		stdout=subprocess.PIPE)
		stdout=subprocess.PIPE,
		universal_newlines=False)
		out, err = p.communicate(cert)
		if err and not err.strip():
		return "(error reading cert subject)"
		for line in out.split("\n"):
		for line in out.decode().split("\n"):
		line = line.strip()
		if line.startswith("Subject:"):
		return line[8:].strip()
		@@ -105,6 +116,7 @@ def GetCertSubject(cert):


		class CertDB(object):

		def __init__(self):
		self.certs = {}

		@@ -132,13 +144,13 @@ class CertDB(object):
		to_load.extend(certs)

		for i in to_load:
		f = open(i)
		with open(i) as f:
		cert = common.ParseCertificate(f.read())
		f.close()
		name, _ = os.path.splitext(i)
		name, _ = os.path.splitext(name)
		self.Add(cert, name)


		ALL_CERTS = CertDB()


		@@ -152,13 +164,14 @@ def CertFromPKCS7(data, filename):
		"-outform", "PEM",
		"-print_certs"],
		stdin=subprocess.PIPE,
		stdout=subprocess.PIPE)
		stdout=subprocess.PIPE,
		universal_newlines=False)
		out, err = p.communicate(data)
		if err and not err.strip():
		AddProblem("error reading cert:\n" + err)
		AddProblem("error reading cert:\n" + err.decode())
		return None

		cert = common.ParseCertificate(out)
		cert = common.ParseCertificate(out.decode())
		if not cert:
		AddProblem("error parsing cert output")
		return None
		@@ -184,21 +197,19 @@ class APK(object):

		def RecordCerts(self, full_filename):
		out = set()
		try:
		f = open(full_filename)
		apk = zipfile.ZipFile(f, "r")
		with zipfile.ZipFile(full_filename) as apk:
		pkcs7 = None
		for info in apk.infolist():
		if info.filename.startswith("META-INF/") and \
		(info.filename.endswith(".DSA") or info.filename.endswith(".RSA")):
		pkcs7 = apk.read(info.filename)
		cert = CertFromPKCS7(pkcs7, info.filename)
		filename = info.filename
		if (filename.startswith("META-INF/") and
		info.filename.endswith((".DSA", ".RSA"))):
		pkcs7 = apk.read(filename)
		cert = CertFromPKCS7(pkcs7, filename)
		out.add(cert)
		ALL_CERTS.Add(cert)
		if not pkcs7:
		AddProblem("no signature")
		finally:
		f.close()

		self.certs = frozenset(out)

		def ReadManifest(self, full_filename):
		@@ -247,8 +258,8 @@ class TargetFiles(object):
		# This is the list of wildcards of files we extract from \|filename\|.
		apk_extensions = ['.apk', '.apex']

		self.certmap, compressed_extension = common.ReadApkCerts(
		zipfile.ZipFile(filename))
		with zipfile.ZipFile(filename) as input_zip:
		self.certmap, compressed_extension = common.ReadApkCerts(input_zip)
		if compressed_extension:
		apk_extensions.append('*.apk' + compressed_extension)

		@@ -287,7 +298,7 @@ class TargetFiles(object):
		"""Look for any instances where packages signed with different
		certs request the same sharedUserId."""
		apks_by_uid = {}
		for apk in self.apks.itervalues():
		for apk in self.apks.values():
		if apk.shared_uid:
		apks_by_uid.setdefault(apk.shared_uid, []).append(apk)

		@@ -302,15 +313,15 @@ class TargetFiles(object):

		AddProblem("different cert sets for packages with uid %s" % (uid,))

		print "uid %s is shared by packages with different cert sets:" % (uid,)
		print("uid %s is shared by packages with different cert sets:" % (uid,))
		for apk in apks:
		print "%-*s [%s]" % (self.max_pkg_len, apk.package, apk.filename)
		print("%-*s [%s]" % (self.max_pkg_len, apk.package, apk.filename))
		for cert in apk.certs:
		print " ", ALL_CERTS.Get(cert)
		print
		print(" ", ALL_CERTS.Get(cert))
		print()

		def CheckExternalSignatures(self):
		for apk_filename, certname in self.certmap.iteritems():
		for apk_filename, certname in self.certmap.items():
		if certname == "EXTERNAL":
		# Apps marked EXTERNAL should be signed with the test key
		# during development, then manually re-signed after
		@@ -326,25 +337,25 @@ class TargetFiles(object):
		def PrintCerts(self):
		"""Display a table of packages grouped by cert."""
		by_cert = {}
		for apk in self.apks.itervalues():
		for apk in self.apks.values():
		for cert in apk.certs:
		by_cert.setdefault(cert, []).append((apk.package, apk))

		order = [(-len(v), k) for (k, v) in by_cert.iteritems()]
		order = [(-len(v), k) for (k, v) in by_cert.items()]
		order.sort()

		for _, cert in order:
		print "%s:" % (ALL_CERTS.Get(cert),)
		print("%s:" % (ALL_CERTS.Get(cert),))
		apks = by_cert[cert]
		apks.sort()
		for _, apk in apks:
		if apk.shared_uid:
		print " %-s %-s [%s]" % (self.max_fn_len, apk.filename,
		print(" %-s %-s [%s]" % (self.max_fn_len, apk.filename,
		self.max_pkg_len, apk.package,
		apk.shared_uid)
		apk.shared_uid))
		else:
		print " %-*s %s" % (self.max_fn_len, apk.filename, apk.package)
		print
		print(" %-*s %s" % (self.max_fn_len, apk.filename, apk.package))
		print()

		def CompareWith(self, other):
		"""Look for instances where a given package that exists in both
		@@ -365,12 +376,12 @@ class TargetFiles(object):
		by_certpair.setdefault((other.apks[i].certs,
		self.apks[i].certs), []).append(i)
		else:
		print "%s [%s]: new APK (not in comparison target_files)" % (
		i, self.apks[i].filename)
		print("%s [%s]: new APK (not in comparison target_files)" % (
		i, self.apks[i].filename))
		else:
		if i in other.apks:
		print "%s [%s]: removed APK (only in comparison target_files)" % (
		i, other.apks[i].filename)
		print("%s [%s]: removed APK (only in comparison target_files)" % (
		i, other.apks[i].filename))

		if by_certpair:
		AddProblem("some APKs changed certs")
		@@ -378,23 +389,23 @@ class TargetFiles(object):
		for (old, new), packages in sorted(by_certpair.items()):
		for i, o in enumerate(old):
		if i == 0:
		print "was", ALL_CERTS.Get(o)
		print("was", ALL_CERTS.Get(o))
		else:
		print " ", ALL_CERTS.Get(o)
		print(" ", ALL_CERTS.Get(o))
		for i, n in enumerate(new):
		if i == 0:
		print "now", ALL_CERTS.Get(n)
		print("now", ALL_CERTS.Get(n))
		else:
		print " ", ALL_CERTS.Get(n)
		print(" ", ALL_CERTS.Get(n))
		for i in sorted(packages):
		old_fn = other.apks[i].filename
		new_fn = self.apks[i].filename
		if old_fn == new_fn:
		print " %-*s [%s]" % (max_pkg_len, i, old_fn)
		print(" %-*s [%s]" % (max_pkg_len, i, old_fn))
		else:
		print " %-*s [was: %s; now: %s]" % (max_pkg_len, i,
		old_fn, new_fn)
		print
		print(" %-*s [was: %s; now: %s]" % (max_pkg_len, i,
		old_fn, new_fn))
		print()


		def main(argv):
		@@ -451,9 +462,9 @@ def main(argv):
		target_files.CompareWith(compare_files)

		if PROBLEMS:
		print "%d problem(s) found:\n" % (len(PROBLEMS),)
		print("%d problem(s) found:\n" % (len(PROBLEMS),))
		for p in PROBLEMS:
		print p
		print(p)
		return 1

		return 0
		@@ -464,9 +475,7 @@ if __name__ == '__main__':
		r = main(sys.argv[1:])
		sys.exit(r)
		except common.ExternalError as e:
		print
		print " ERROR: %s" % (e,)
		print
		print("\n ERROR: %s\n" % (e,))
		sys.exit(1)
		finally:
		common.Cleanup()