################################################################################
-def check_md5sums ():
- for file in files.keys():
+def check_hashes ():
+ # Make sure we recognise the format of the Files: field
+ format = changes.get("format", "0.0").split(".",1)
+ if len(format) == 2:
+ format = int(format[0]), int(format[1])
+ else:
+ format = int(float(format[0])), 0
+
+ check_hash(".changes", files, "md5sum", apt_pkg.md5sum)
+ check_hash(".dsc", dsc_files, "md5sum", apt_pkg.md5sum)
+
+ if format >= (1,8):
+ hashes = [("sha1", apt_pkg.sha1sum),
+ ("sha256", apt_pkg.sha256sum)]
+ else:
+ hashes = []
+
+ for x in changes:
+ if x.startswith("checksum-"):
+ h = x.split("-",1)[1]
+ if h not in dict(hashes):
+ reject("Unsupported checksum field in .changes" % (h))
+
+ for x in dsc:
+ if x.startswith("checksum-"):
+ h = x.split("-",1)[1]
+ if h not in dict(hashes):
+ reject("Unsupported checksum field in .dsc" % (h))
+
+ for h,f in hashes:
try:
- file_handle = daklib.utils.open_file(file)
- except daklib.utils.cant_open_exc:
- continue
+ fs = daklib.utils.build_file_list(changes, 0, "checksums-%s" % h, h)
+ check_hash(".changes %s" % (h), fs, h, f, files)
+ except daklib.utils.no_files_exc:
+ reject("No Checksums-%s: field in .changes file" % (h))
- # Check md5sum
- if apt_pkg.md5sum(file_handle) != files[file]["md5sum"]:
- reject("%s: md5sum check failed." % (file))
- file_handle.close()
- # Check size
- actual_size = os.stat(file)[stat.ST_SIZE]
- size = int(files[file]["size"])
- if size != actual_size:
- reject("%s: actual file size (%s) does not match size (%s) in .changes"
- % (file, actual_size, size))
+ if "source" not in changes["architecture"]: continue
+
+ try:
+ fs = daklib.utils.build_file_list(dsc, 1, "checksums-%s" % h, h)
+ check_hash(".dsc %s" % (h), fs, h, f, dsc_files)
+ except daklib.utils.no_files_exc:
+ reject("No Checksums-%s: field in .changes file" % (h))
+
+################################################################################
+
+def check_hash (where, files, key, testfn, basedict = None):
+ if basedict:
+ for file in basedict.keys():
+ if file not in files:
+ reject("%s: no %s checksum" % (file, key))
+
+ for file in files.keys():
+ if basedict and file not in basedict:
+ reject("%s: extraneous entry in %s checksums" % (file, key))
- for file in dsc_files.keys():
try:
file_handle = daklib.utils.open_file(file)
except daklib.utils.cant_open_exc:
continue
- # Check md5sum
- if apt_pkg.md5sum(file_handle) != dsc_files[file]["md5sum"]:
- reject("%s: md5sum check failed." % (file))
+ # Check hash
+ if testfn(file_handle) != files[file][key]:
+ reject("%s: %s check failed." % (file, key))
file_handle.close()
# Check size
actual_size = os.stat(file)[stat.ST_SIZE]
- size = int(dsc_files[file]["size"])
+ size = int(files[file]["size"])
if size != actual_size:
- reject("%s: actual file size (%s) does not match size (%s) in .dsc"
- % (file, actual_size, size))
+ reject("%s: actual file size (%s) does not match size (%s) in %s"
+ % (file, actual_size, size, where))
################################################################################
valid_dsc_p = check_dsc()
if valid_dsc_p:
check_source()
- check_md5sums()
+ check_hashes()
check_urgency()
check_timestamps()
check_signed_by_key()