1 files changed, 154 insertions, 0 deletions
diff --git a/scripts/suspicious-source b/scripts/suspicious-source
new file mode 100755
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+++ b/scripts/suspicious-source
@@ -0,0 +1,154 @@
+#!/usr/bin/python3
+
+# Copyright (c) 2010-2018, Benjamin Drung <bdrung@debian.org>
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+import argparse
+import os
+import sys
+
+from devscripts.logger import Logger
+
+try:
+    import magic
+except ImportError:
+    Logger.error(
+        "Please install 'python3-magic' in order to use this utility.")
+    sys.exit(1)
+
+DEFAULT_WHITELISTED_MIMETYPES = [
+    "application/pgp-keys",
+    "application/vnd.font-fontforge-sfd",  # font source: fontforge
+    "application/x-elc",
+    "application/x-empty",
+    "application/x-font-otf",              # font object and source
+    "application/x-font-ttf",              # font object and source
+    "application/x-font-woff",             # font object and source
+    "application/x-symlink",
+    "application/xml",
+    "audio/x-wav",
+    "font/otf",                            # font object and source
+    "font/ttf",                            # font object and source
+    "image/gif",
+    "image/jpeg",
+    "image/png",
+    "image/svg+xml",
+    "image/tiff",
+    "image/vnd.adobe.photoshop",
+    "image/x-icns",
+    "image/x-ico",
+    "image/x-icon",
+    "image/x-ms-bmp",
+    "image/x-portable-pixmap",
+    "image/x-xpmi",
+    "inode/symlink",
+    "inode/x-empty",
+    "message/rfc822",
+    "text/html",
+    "text/plain",
+    "text/rtf",
+    "text/troff",
+    "text/x-asm",
+    "text/x-c",
+    "text/x-c++",
+    "text/x-diff",
+    "text/x-fortran",
+    "text/x-java",
+    "text/x-lisp",
+    "text/x-m4",
+    "text/x-makefile",
+    "text/x-msdos-batch",
+    "text/x-pascal",
+    "text/x-perl",
+    "text/x-php",
+    "text/x-po",
+    "text/x-python",
+    "text/x-ruby",
+    "text/x-shellscript",
+    "text/x-tex",
+    "text/x-texinfo",
+    "text/xml",
+]
+
+DEFAULT_WHITELISTED_EXTENSIONS = [
+    ".el",     # elisp source files
+    ".fea",    # font source format: Adobe Font Development Kit for OpenType
+    ".fog",    # font source format: Fontographer
+    ".g2n",    # font source format: fontforge
+    ".gdh",    # font source format: Graphite (headers)
+    ".gdl",    # font source format: Graphite
+    ".glyph",  # font source format: cross-toolkit UFO
+    ".gmo",    # GNU Machine Object File (for translations with gettext)
+    ".icns",   # Apple Icon Image format
+    ".java",   # Java source files
+    ".plate",  # font source format: Spiro
+    ".rsa",
+    ".sfd",    # font source format: fontforge
+    ".sfdir",  # font source format: fontforge
+    ".ttx",    # font source format: fonttools
+    ".ufo",    # font source format: cross-toolkit UFO
+    ".vfb"     # font source format: FontLab
+    ".vtp",    # font source format: OpenType (VOLT)
+    ".xgf",    # font source format: Xgridfit
+]
+
+
+def suspicious_source(whitelisted_mimetypes, whitelisted_extensions, directory,
+                      verbose=False):
+    magic_cookie = magic.open(magic.MAGIC_MIME_TYPE)
+    magic_cookie.load()
+
+    for root, dirs, files in os.walk(directory):
+        for _file in files:
+            mimetype = magic_cookie.file(os.path.join(root, _file))
+            if mimetype not in whitelisted_mimetypes:
+                if not [x for x in whitelisted_extensions
+                        if _file.lower().endswith(x)]:
+                    output = os.path.join(root, _file)
+                    if verbose:
+                        output += " (" + mimetype + ")"
+                    print(output)
+        for vcs_dir in (".bzr", "CVS", ".git", ".svn", ".hg", "_darcs"):
+            if vcs_dir in dirs:
+                dirs.remove(vcs_dir)
+
+
+def main():
+    script_name = os.path.basename(sys.argv[0])
+    epilog = "See %s(1) for more info." % (script_name)
+    parser = argparse.ArgumentParser(epilog=epilog)
+
+    parser.add_argument("-v", "--verbose", help="print more information",
+                        dest="verbose", action="store_true", default=False)
+    parser.add_argument("-d", "--directory",
+                        help="check the files in the specified directory",
+                        dest="directory", default=".")
+    parser.add_argument("-m", "--mimetype", metavar="MIMETYPE",
+                        help="Add MIMETYPE to list of whitelisted mimetypes.",
+                        dest="whitelisted_mimetypes", action="append",
+                        default=DEFAULT_WHITELISTED_MIMETYPES)
+    parser.add_argument("-e", "--extension", metavar="EXTENSION",
+                        help="Add EXTENSION to list of whitelisted extensions.",
+                        dest="whitelisted_extensions", action="append",
+                        default=DEFAULT_WHITELISTED_EXTENSIONS)
+
+    args = parser.parse_args()
+
+    whitelisted_extensions = [x.lower() for x in args.whitelisted_extensions]
+    suspicious_source(args.whitelisted_mimetypes, whitelisted_extensions,
+                      args.directory, args.verbose)
+
+
+if __name__ == "__main__":
+    main()