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Find blobs by magic numbers

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This commit is contained in:
Daniel Martí 2013-10-15 23:24:20 +02:00
parent 99510de07a
commit 779476e6f4
2 changed files with 33 additions and 34 deletions
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2
docs/fdroid.texi
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@ -138,6 +138,8 @@ Vagrant (gem install vagrant)
Paramiko (debian package python-paramiko)
@item
Imaging (debian package python-imaging)
@item
Filemagic (pip install filemagic)
@end itemize

65
fdroidserver/common.py
View File

@ -23,6 +23,7 @@ import subprocess
import time
import operator
import cgi
import magic
def getvcs(vcstype, remote, local, sdk_path):
if vcstype == 'git':
@ -1590,46 +1591,42 @@ def scan_source(build_dir, root_dir, thisbuild):
ignore = []
# Iterate through all files in the source code...
for r,d,f in os.walk(build_dir):
for curfile in f:
with magic.Magic(flags=magic.MAGIC_MIME_TYPE) as m:
for r,d,f in os.walk(build_dir):
for curfile in f:
if '/.hg' in r or '/.git' in r or '/.svn' in r:
continue
if '/.hg' in r or '/.git' in r or '/.svn' in r:
continue
# Path (relative) to the file...
fp = os.path.join(r, curfile)
# Path (relative) to the file...
fp = os.path.join(r, curfile)
# Check if this file has been explicitly excluded from scanning...
ignorethis = False
for i in ignore:
if fp.startswith(i):
ignorethis = True
break
if ignorethis:
continue
# Check if this file has been explicitly excluded from scanning...
ignorethis = False
for i in ignore:
if fp.startswith(i):
ignorethis = True
break
if ignorethis:
continue
for suspect in usual_suspects:
if suspect in curfile.lower():
msg = 'Found probable non-free blob ' + fp
problems.append(msg)
for suspect in usual_suspects:
if suspect in curfile.lower():
problems.append('Found probable non-free blob ' + fp)
if curfile.endswith('.apk'):
msg = 'Found apk file, which should not be in the source - ' + fp
problems.append(msg)
mime = m.id_filename(fp)
if mime == 'application/x-sharedlib':
problems.append('Found shared library at ' + fp)
elif mime == 'application/octet-stream':
problems.append('Found binary at ' + fp)
elif mime == 'application/vnd.android.package-archive' or fp.endswith('.apk'):
problems.append('Found apk at ' + fp)
elif curfile.endswith('.elf'):
msg = 'Found .elf at ' + fp
problems.append(msg)
elif curfile.endswith('.so'):
msg = 'Found .so at ' + fp
problems.append(msg)
elif curfile.endswith('.java'):
for line in file(fp):
if 'DexClassLoader' in line:
msg = 'Found DexClassLoader in ' + fp
problems.append(msg)
elif curfile.endswith('.java'):
for line in file(fp):
if 'DexClassLoader' in line:
problems.append('Found DexClassLoader in ' + fp)
break
# Presence of a jni directory without buildjni=yes might
# indicate a problem... (if it's not a problem, explicitly use