X-Git-Url: https://git.decadent.org.uk/gitweb/?a=blobdiff_plain;f=daklib%2Futils.py;h=ec82782fdaa593bf9a4c89e9ac2e44236bf15ce8;hb=aa83ebb15882823869b109d370e24ef3efd730f8;hp=75845244270fc04e554675f831100a9c7b0123e8;hpb=f612e250a402ae5e6a86f711d84c6b641a3d2b22;p=dak.git diff --git a/daklib/utils.py b/daklib/utils.py index 75845244..ec82782f 100755 --- a/daklib/utils.py +++ b/daklib/utils.py @@ -22,7 +22,7 @@ ################################################################################ import codecs, commands, email.Header, os, pwd, re, select, socket, shutil, \ - sys, tempfile, traceback, stat + sys, tempfile, traceback import apt_pkg import database from dak_exceptions import * @@ -55,10 +55,6 @@ default_apt_config = "/etc/dak/apt.conf" alias_cache = None key_uid_email_cache = {} -# (hashname, function, earliest_changes_version) -known_hashes = [("sha1", apt_pkg.sha1sum, (1, 8)), - ("sha256", apt_pkg.sha256sum, (1, 8))] - ################################################################################ def open_file(filename, mode='r'): @@ -211,116 +207,6 @@ The rules for (signing_rules == 1)-mode are: ################################################################################ -def create_hash (lfiles, key, testfn, basedict = None): - rejmsg = [] - for f in lfiles.keys(): - try: - file_handle = open_file(f) - except CantOpenError: - rejmsg.append("Could not open file %s for checksumming" % (f)) - - # Check hash - if basedict and basedict.has_key(f): - basedict[f]['%ssum' % key] = testfn(file_handle) - file_handle.close() - - return rejmsg - -################################################################################ - -def check_hash (where, lfiles, key, testfn, basedict = None): - rejmsg = [] - if basedict: - for f in basedict.keys(): - if f not in lfiles: - rejmsg.append("%s: no %s checksum" % (f, key)) - - for f in lfiles.keys(): - if basedict and f not in basedict: - rejmsg.append("%s: extraneous entry in %s checksums" % (f, key)) - - try: - file_handle = open_file(f) - except CantOpenError: - continue - - # Check hash - if testfn(file_handle) != lfiles[f][key]: - rejmsg.append("%s: %s check failed." % (f, key)) - file_handle.close() - # Store the hashes for later use - if basedict: - basedict[f]['%ssum' % key] = lfiles[f][key] - # Check size - actual_size = os.stat(f)[stat.ST_SIZE] - size = int(lfiles[f]["size"]) - if size != actual_size: - rejmsg.append("%s: actual file size (%s) does not match size (%s) in %s" - % (f, actual_size, size, where)) - - return rejmsg - -################################################################################ - -def ensure_hashes(changes, dsc, files, dsc_files): - # 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 - - rejmsg = [] - for x in changes: - if x.startswith("checksum-"): - h = x.split("-",1)[1] - if h not in dict(known_hashes): - rejmsg.append("Unsupported checksum field in .changes" % (h)) - - for x in dsc: - if x.startswith("checksum-"): - h = x.split("-",1)[1] - if h not in dict(known_hashes): - rejmsg.append("Unsupported checksum field in .dsc" % (h)) - - # We have to calculate the hash if we have an earlier changes version than - # the hash appears in rather than require it exist in the changes file - # I hate backwards compatibility - for h,f,v in known_hashes: - try: - if format < v: - for m in create_hash(files, h, f, files): - rejmsg.append(m) - else: - for m in check_hash(".changes %s" % (h), files, h, f, files): - rejmsg.append(m) - except NoFilesFieldError: - rejmsg.append("No Checksums-%s: field in .changes" % (h)) - except UnknownFormatError, format: - rejmsg.append("%s: unknown format of .changes" % (format)) - except ParseChangesError, line: - rejmsg.append("parse error for Checksums-%s in .changes, can't grok: %s." % (h, line)) - - if "source" not in changes["architecture"]: continue - - try: - if format < v: - for m in create_hash(dsc_files, h, f, dsc_files): - rejmsg.append(m) - else: - for m in check_hash(".dsc %s" % (h), dsc_files, h, f, dsc_files): - rejmsg.append(m) - except UnknownFormatError, format: - rejmsg.append("%s: unknown format of .dsc" % (format)) - except NoFilesFieldError: - rejmsg.append("No Checksums-%s: field in .dsc" % (h)) - except ParseChangesError, line: - rejmsg.append("parse error for Checksums-%s in .dsc, can't grok: %s." % (h, line)) - - return rejmsg - -################################################################################ - # Dropped support for 1.4 and ``buggy dchanges 3.4'' (?!) compared to di.pl def build_file_list(changes, is_a_dsc=0, field="files", hashname="md5sum"):