2 # vim:set et ts=4 sw=4:
6 @contact: Debian FTP Master <ftpmaster@debian.org>
7 @copyright: 2000, 2001, 2002, 2003, 2004, 2005, 2006 James Troup <james@nocrew.org>
8 @license: GNU General Public License version 2 or later
11 # This program is free software; you can redistribute it and/or modify
12 # it under the terms of the GNU General Public License as published by
13 # the Free Software Foundation; either version 2 of the License, or
14 # (at your option) any later version.
16 # This program is distributed in the hope that it will be useful,
17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 # GNU General Public License for more details.
21 # You should have received a copy of the GNU General Public License
22 # along with this program; if not, write to the Free Software
23 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
39 import email as modemail
42 from dbconn import DBConn, get_architecture, get_component, get_suite, \
43 get_override_type, Keyring, session_wrapper, \
44 get_active_keyring_paths, get_primary_keyring_path
45 from sqlalchemy import desc
46 from dak_exceptions import *
47 from gpg import SignedFile
48 from textutils import fix_maintainer
49 from regexes import re_html_escaping, html_escaping, re_single_line_field, \
50 re_multi_line_field, re_srchasver, re_taint_free, \
51 re_gpg_uid, re_re_mark, re_whitespace_comment, re_issource, \
54 from formats import parse_format, validate_changes_format
55 from srcformats import get_format_from_string
56 from collections import defaultdict
58 ################################################################################
60 default_config = "/etc/dak/dak.conf" #: default dak config, defines host properties
61 default_apt_config = "/etc/dak/apt.conf" #: default apt config, not normally used
63 alias_cache = None #: Cache for email alias checks
64 key_uid_email_cache = {} #: Cache for email addresses from gpg key uids
66 # (hashname, function, earliest_changes_version)
67 known_hashes = [("sha1", apt_pkg.sha1sum, (1, 8)),
68 ("sha256", apt_pkg.sha256sum, (1, 8))] #: hashes we accept for entries in .changes/.dsc
70 # Monkeypatch commands.getstatusoutput as it may not return the correct exit
71 # code in lenny's Python. This also affects commands.getoutput and
73 def dak_getstatusoutput(cmd):
74 pipe = subprocess.Popen(cmd, shell=True, universal_newlines=True,
75 stdout=subprocess.PIPE, stderr=subprocess.STDOUT)
77 output = pipe.stdout.read()
81 if output[-1:] == '\n':
89 commands.getstatusoutput = dak_getstatusoutput
91 ################################################################################
94 """ Escape html chars """
95 return re_html_escaping.sub(lambda x: html_escaping.get(x.group(0)), s)
97 ################################################################################
99 def open_file(filename, mode='r'):
101 Open C{file}, return fileobject.
103 @type filename: string
104 @param filename: path/filename to open
107 @param mode: open mode
110 @return: open fileobject
112 @raise CantOpenError: If IOError is raised by open, reraise it as CantOpenError.
116 f = open(filename, mode)
118 raise CantOpenError(filename)
121 ################################################################################
123 def our_raw_input(prompt=""):
127 sys.stdout.write(prompt)
136 sys.stderr.write("\nUser interrupt (^D).\n")
139 ################################################################################
141 def extract_component_from_section(section, session=None):
144 if section.find('/') != -1:
145 component = section.split('/')[0]
147 # Expand default component
149 comp = get_component(section, session)
153 component = comp.component_name
155 return (section, component)
157 ################################################################################
159 def parse_deb822(armored_contents, signing_rules=0, keyrings=None, session=None):
160 require_signature = True
163 require_signature = False
165 signed_file = SignedFile(armored_contents, keyrings=keyrings, require_signature=require_signature)
166 contents = signed_file.contents
171 # Split the lines in the input, keeping the linebreaks.
172 lines = contents.splitlines(True)
175 raise ParseChangesError("[Empty changes file]")
177 # Reindex by line number so we can easily verify the format of
183 indexed_lines[index] = line[:-1]
185 num_of_lines = len(indexed_lines.keys())
188 while index < num_of_lines:
190 line = indexed_lines[index]
191 if line == "" and signing_rules == 1:
192 if index != num_of_lines:
193 raise InvalidDscError(index)
195 slf = re_single_line_field.match(line)
197 field = slf.groups()[0].lower()
198 changes[field] = slf.groups()[1]
202 changes[field] += '\n'
204 mlf = re_multi_line_field.match(line)
207 raise ParseChangesError("'%s'\n [Multi-line field continuing on from nothing?]" % (line))
208 if first == 1 and changes[field] != "":
209 changes[field] += '\n'
211 changes[field] += mlf.groups()[0] + '\n'
215 changes["filecontents"] = armored_contents
217 if changes.has_key("source"):
218 # Strip the source version in brackets from the source field,
219 # put it in the "source-version" field instead.
220 srcver = re_srchasver.search(changes["source"])
222 changes["source"] = srcver.group(1)
223 changes["source-version"] = srcver.group(2)
226 raise ParseChangesError(error)
230 ################################################################################
232 def parse_changes(filename, signing_rules=0, dsc_file=0, keyrings=None):
234 Parses a changes file and returns a dictionary where each field is a
235 key. The mandatory first argument is the filename of the .changes
238 signing_rules is an optional argument:
240 - If signing_rules == -1, no signature is required.
241 - If signing_rules == 0 (the default), a signature is required.
242 - If signing_rules == 1, it turns on the same strict format checking
245 The rules for (signing_rules == 1)-mode are:
247 - The PGP header consists of "-----BEGIN PGP SIGNED MESSAGE-----"
248 followed by any PGP header data and must end with a blank line.
250 - The data section must end with a blank line and must be followed by
251 "-----BEGIN PGP SIGNATURE-----".
254 changes_in = open_file(filename)
255 content = changes_in.read()
258 unicode(content, 'utf-8')
260 raise ChangesUnicodeError("Changes file not proper utf-8")
261 changes = parse_deb822(content, signing_rules, keyrings=keyrings)
265 # Finally ensure that everything needed for .changes is there
266 must_keywords = ('Format', 'Date', 'Source', 'Binary', 'Architecture', 'Version',
267 'Distribution', 'Maintainer', 'Description', 'Changes', 'Files')
270 for keyword in must_keywords:
271 if not changes.has_key(keyword.lower()):
272 missingfields.append(keyword)
274 if len(missingfields):
275 raise ParseChangesError("Missing mandantory field(s) in changes file (policy 5.5): %s" % (missingfields))
279 ################################################################################
281 def hash_key(hashname):
282 return '%ssum' % hashname
284 ################################################################################
286 def create_hash(where, files, hashname, hashfunc):
288 create_hash extends the passed files dict with the given hash by
289 iterating over all files on disk and passing them to the hashing
294 for f in files.keys():
296 file_handle = open_file(f)
297 except CantOpenError:
298 rejmsg.append("Could not open file %s for checksumming" % (f))
301 files[f][hash_key(hashname)] = hashfunc(file_handle)
306 ################################################################################
308 def check_hash(where, files, hashname, hashfunc):
310 check_hash checks the given hash in the files dict against the actual
311 files on disk. The hash values need to be present consistently in
312 all file entries. It does not modify its input in any way.
316 for f in files.keys():
320 file_handle = open_file(f)
322 # Check for the hash entry, to not trigger a KeyError.
323 if not files[f].has_key(hash_key(hashname)):
324 rejmsg.append("%s: misses %s checksum in %s" % (f, hashname,
328 # Actually check the hash for correctness.
329 if hashfunc(file_handle) != files[f][hash_key(hashname)]:
330 rejmsg.append("%s: %s check failed in %s" % (f, hashname,
332 except CantOpenError:
333 # TODO: This happens when the file is in the pool.
334 # warn("Cannot open file %s" % f)
341 ################################################################################
343 def check_size(where, files):
345 check_size checks the file sizes in the passed files dict against the
350 for f in files.keys():
353 except OSError as exc:
355 # TODO: This happens when the file is in the pool.
359 actual_size = entry[stat.ST_SIZE]
360 size = int(files[f]["size"])
361 if size != actual_size:
362 rejmsg.append("%s: actual file size (%s) does not match size (%s) in %s"
363 % (f, actual_size, size, where))
366 ################################################################################
368 def check_dsc_files(dsc_filename, dsc=None, dsc_files=None):
370 Verify that the files listed in the Files field of the .dsc are
371 those expected given the announced Format.
373 @type dsc_filename: string
374 @param dsc_filename: path of .dsc file
377 @param dsc: the content of the .dsc parsed by C{parse_changes()}
379 @type dsc_files: dict
380 @param dsc_files: the file list returned by C{build_file_list()}
383 @return: all errors detected
387 # Parse the file if needed
389 dsc = parse_changes(dsc_filename, signing_rules=1, dsc_file=1);
391 if dsc_files is None:
392 dsc_files = build_file_list(dsc, is_a_dsc=1)
394 # Ensure .dsc lists proper set of source files according to the format
396 has = defaultdict(lambda: 0)
399 (r'orig.tar.gz', ('orig_tar_gz', 'orig_tar')),
400 (r'diff.gz', ('debian_diff',)),
401 (r'tar.gz', ('native_tar_gz', 'native_tar')),
402 (r'debian\.tar\.(gz|bz2|xz)', ('debian_tar',)),
403 (r'orig\.tar\.(gz|bz2|xz)', ('orig_tar',)),
404 (r'tar\.(gz|bz2|xz)', ('native_tar',)),
405 (r'orig-.+\.tar\.(gz|bz2|xz)', ('more_orig_tar',)),
408 for f in dsc_files.keys():
409 m = re_issource.match(f)
411 rejmsg.append("%s: %s in Files field not recognised as source."
415 # Populate 'has' dictionary by resolving keys in lookup table
417 for regex, keys in ftype_lookup:
418 if re.match(regex, m.group(3)):
424 # File does not match anything in lookup table; reject
426 reject("%s: unexpected source file '%s'" % (dsc_filename, f))
428 # Check for multiple files
429 for file_type in ('orig_tar', 'native_tar', 'debian_tar', 'debian_diff'):
430 if has[file_type] > 1:
431 rejmsg.append("%s: lists multiple %s" % (dsc_filename, file_type))
433 # Source format specific tests
435 format = get_format_from_string(dsc['format'])
437 '%s: %s' % (dsc_filename, x) for x in format.reject_msgs(has)
440 except UnknownFormatError:
441 # Not an error here for now
446 ################################################################################
448 def check_hash_fields(what, manifest):
450 check_hash_fields ensures that there are no checksum fields in the
451 given dict that we do not know about.
455 hashes = map(lambda x: x[0], known_hashes)
456 for field in manifest:
457 if field.startswith("checksums-"):
458 hashname = field.split("-",1)[1]
459 if hashname not in hashes:
460 rejmsg.append("Unsupported checksum field for %s "\
461 "in %s" % (hashname, what))
464 ################################################################################
466 def _ensure_changes_hash(changes, format, version, files, hashname, hashfunc):
467 if format >= version:
468 # The version should contain the specified hash.
471 # Import hashes from the changes
472 rejmsg = parse_checksums(".changes", files, changes, hashname)
476 # We need to calculate the hash because it can't possibly
479 return func(".changes", files, hashname, hashfunc)
481 # We could add the orig which might be in the pool to the files dict to
482 # access the checksums easily.
484 def _ensure_dsc_hash(dsc, dsc_files, hashname, hashfunc):
486 ensure_dsc_hashes' task is to ensure that each and every *present* hash
487 in the dsc is correct, i.e. identical to the changes file and if necessary
488 the pool. The latter task is delegated to check_hash.
492 if not dsc.has_key('Checksums-%s' % (hashname,)):
494 # Import hashes from the dsc
495 parse_checksums(".dsc", dsc_files, dsc, hashname)
497 rejmsg.extend(check_hash(".dsc", dsc_files, hashname, hashfunc))
500 ################################################################################
502 def parse_checksums(where, files, manifest, hashname):
504 field = 'checksums-%s' % hashname
505 if not field in manifest:
507 for line in manifest[field].split('\n'):
510 clist = line.strip().split(' ')
512 checksum, size, checkfile = clist
514 rejmsg.append("Cannot parse checksum line [%s]" % (line))
516 if not files.has_key(checkfile):
517 # TODO: check for the file's entry in the original files dict, not
518 # the one modified by (auto)byhand and other weird stuff
519 # rejmsg.append("%s: not present in files but in checksums-%s in %s" %
520 # (file, hashname, where))
522 if not files[checkfile]["size"] == size:
523 rejmsg.append("%s: size differs for files and checksums-%s entry "\
524 "in %s" % (checkfile, hashname, where))
526 files[checkfile][hash_key(hashname)] = checksum
527 for f in files.keys():
528 if not files[f].has_key(hash_key(hashname)):
529 rejmsg.append("%s: no entry in checksums-%s in %s" % (checkfile,
533 ################################################################################
535 # Dropped support for 1.4 and ``buggy dchanges 3.4'' (?!) compared to di.pl
537 def build_file_list(changes, is_a_dsc=0, field="files", hashname="md5sum"):
540 # Make sure we have a Files: field to parse...
541 if not changes.has_key(field):
542 raise NoFilesFieldError
544 # Validate .changes Format: field
546 validate_changes_format(parse_format(changes['format']), field)
548 includes_section = (not is_a_dsc) and field == "files"
550 # Parse each entry/line:
551 for i in changes[field].split('\n'):
555 section = priority = ""
558 (md5, size, section, priority, name) = s
560 (md5, size, name) = s
562 raise ParseChangesError(i)
569 (section, component) = extract_component_from_section(section)
571 files[name] = dict(size=size, section=section,
572 priority=priority, component=component)
573 files[name][hashname] = md5
577 ################################################################################
579 # see http://bugs.debian.org/619131
580 def build_package_list(dsc, session = None):
581 if not dsc.has_key("package-list"):
586 for line in dsc["package-list"].split("\n"):
590 fields = line.split()
592 package_type = fields[1]
593 (section, component) = extract_component_from_section(fields[2])
596 # Validate type if we have a session
597 if session and get_override_type(package_type, session) is None:
598 # Maybe just warn and ignore? exit(1) might be a bit hard...
599 utils.fubar("invalid type (%s) in Package-List." % (package_type))
601 if name not in packages or packages[name]["type"] == "dsc":
602 packages[name] = dict(priority=priority, section=section, type=package_type, component=component, files=[])
606 ################################################################################
608 def send_mail (message, filename=""):
609 """sendmail wrapper, takes _either_ a message string or a file as arguments"""
611 # Check whether we're supposed to be sending mail
612 if Cnf.has_key("Dinstall::Options::No-Mail") and Cnf["Dinstall::Options::No-Mail"]:
615 # If we've been passed a string dump it into a temporary file
617 (fd, filename) = tempfile.mkstemp()
618 os.write (fd, message)
621 if Cnf.has_key("Dinstall::MailWhiteList") and \
622 Cnf["Dinstall::MailWhiteList"] != "":
623 message_in = open_file(filename)
624 message_raw = modemail.message_from_file(message_in)
628 whitelist_in = open_file(Cnf["Dinstall::MailWhiteList"])
630 for line in whitelist_in:
631 if not re_whitespace_comment.match(line):
632 if re_re_mark.match(line):
633 whitelist.append(re.compile(re_re_mark.sub("", line.strip(), 1)))
635 whitelist.append(re.compile(re.escape(line.strip())))
640 fields = ["To", "Bcc", "Cc"]
643 value = message_raw.get(field, None)
646 for item in value.split(","):
647 (rfc822_maint, rfc2047_maint, name, email) = fix_maintainer(item.strip())
653 if not mail_whitelisted:
654 print "Skipping %s since it's not in %s" % (item, Cnf["Dinstall::MailWhiteList"])
658 # Doesn't have any mail in whitelist so remove the header
660 del message_raw[field]
662 message_raw.replace_header(field, ', '.join(match))
664 # Change message fields in order if we don't have a To header
665 if not message_raw.has_key("To"):
668 if message_raw.has_key(field):
669 message_raw[fields[-1]] = message_raw[field]
670 del message_raw[field]
673 # Clean up any temporary files
674 # and return, as we removed all recipients.
676 os.unlink (filename);
679 fd = os.open(filename, os.O_RDWR|os.O_EXCL, 0o700);
680 os.write (fd, message_raw.as_string(True));
684 (result, output) = commands.getstatusoutput("%s < %s" % (Cnf["Dinstall::SendmailCommand"], filename))
686 raise SendmailFailedError(output)
688 # Clean up any temporary files
692 ################################################################################
694 def poolify (source, component):
697 if source[:3] == "lib":
698 return component + source[:4] + '/' + source + '/'
700 return component + source[:1] + '/' + source + '/'
702 ################################################################################
704 def move (src, dest, overwrite = 0, perms = 0o664):
705 if os.path.exists(dest) and os.path.isdir(dest):
708 dest_dir = os.path.dirname(dest)
709 if not os.path.exists(dest_dir):
710 umask = os.umask(00000)
711 os.makedirs(dest_dir, 0o2775)
713 #print "Moving %s to %s..." % (src, dest)
714 if os.path.exists(dest) and os.path.isdir(dest):
715 dest += '/' + os.path.basename(src)
716 # Don't overwrite unless forced to
717 if os.path.exists(dest):
719 fubar("Can't move %s to %s - file already exists." % (src, dest))
721 if not os.access(dest, os.W_OK):
722 fubar("Can't move %s to %s - can't write to existing file." % (src, dest))
723 shutil.copy2(src, dest)
724 os.chmod(dest, perms)
727 def copy (src, dest, overwrite = 0, perms = 0o664):
728 if os.path.exists(dest) and os.path.isdir(dest):
731 dest_dir = os.path.dirname(dest)
732 if not os.path.exists(dest_dir):
733 umask = os.umask(00000)
734 os.makedirs(dest_dir, 0o2775)
736 #print "Copying %s to %s..." % (src, dest)
737 if os.path.exists(dest) and os.path.isdir(dest):
738 dest += '/' + os.path.basename(src)
739 # Don't overwrite unless forced to
740 if os.path.exists(dest):
742 raise FileExistsError
744 if not os.access(dest, os.W_OK):
745 raise CantOverwriteError
746 shutil.copy2(src, dest)
747 os.chmod(dest, perms)
749 ################################################################################
752 res = socket.getfqdn()
753 database_hostname = Cnf.get("Config::" + res + "::DatabaseHostname")
754 if database_hostname:
755 return database_hostname
759 def which_conf_file ():
760 if os.getenv('DAK_CONFIG'):
761 return os.getenv('DAK_CONFIG')
763 res = socket.getfqdn()
764 # In case we allow local config files per user, try if one exists
765 if Cnf.FindB("Config::" + res + "::AllowLocalConfig"):
766 homedir = os.getenv("HOME")
767 confpath = os.path.join(homedir, "/etc/dak.conf")
768 if os.path.exists(confpath):
769 apt_pkg.ReadConfigFileISC(Cnf,default_config)
771 # We are still in here, so there is no local config file or we do
772 # not allow local files. Do the normal stuff.
773 if Cnf.get("Config::" + res + "::DakConfig"):
774 return Cnf["Config::" + res + "::DakConfig"]
776 return default_config
778 def which_apt_conf_file ():
779 res = socket.getfqdn()
780 # In case we allow local config files per user, try if one exists
781 if Cnf.FindB("Config::" + res + "::AllowLocalConfig"):
782 homedir = os.getenv("HOME")
783 confpath = os.path.join(homedir, "/etc/dak.conf")
784 if os.path.exists(confpath):
785 apt_pkg.ReadConfigFileISC(Cnf,default_config)
787 if Cnf.get("Config::" + res + "::AptConfig"):
788 return Cnf["Config::" + res + "::AptConfig"]
790 return default_apt_config
792 def which_alias_file():
793 hostname = socket.getfqdn()
794 aliasfn = '/var/lib/misc/'+hostname+'/forward-alias'
795 if os.path.exists(aliasfn):
800 ################################################################################
802 def TemplateSubst(subst_map, filename):
803 """ Perform a substition of template """
804 templatefile = open_file(filename)
805 template = templatefile.read()
806 for k, v in subst_map.iteritems():
807 template = template.replace(k, str(v))
811 ################################################################################
813 def fubar(msg, exit_code=1):
814 sys.stderr.write("E: %s\n" % (msg))
818 sys.stderr.write("W: %s\n" % (msg))
820 ################################################################################
822 # Returns the user name with a laughable attempt at rfc822 conformancy
823 # (read: removing stray periods).
825 return pwd.getpwuid(os.getuid())[4].split(',')[0].replace('.', '')
828 return pwd.getpwuid(os.getuid())[0]
830 ################################################################################
840 return ("%d%s" % (c, t))
842 ################################################################################
844 def cc_fix_changes (changes):
845 o = changes.get("architecture", "")
847 del changes["architecture"]
848 changes["architecture"] = {}
850 changes["architecture"][j] = 1
852 def changes_compare (a, b):
853 """ Sort by source name, source version, 'have source', and then by filename """
855 a_changes = parse_changes(a)
860 b_changes = parse_changes(b)
864 cc_fix_changes (a_changes)
865 cc_fix_changes (b_changes)
867 # Sort by source name
868 a_source = a_changes.get("source")
869 b_source = b_changes.get("source")
870 q = cmp (a_source, b_source)
874 # Sort by source version
875 a_version = a_changes.get("version", "0")
876 b_version = b_changes.get("version", "0")
877 q = apt_pkg.VersionCompare(a_version, b_version)
881 # Sort by 'have source'
882 a_has_source = a_changes["architecture"].get("source")
883 b_has_source = b_changes["architecture"].get("source")
884 if a_has_source and not b_has_source:
886 elif b_has_source and not a_has_source:
889 # Fall back to sort by filename
892 ################################################################################
894 def find_next_free (dest, too_many=100):
897 while os.path.exists(dest) and extra < too_many:
898 dest = orig_dest + '.' + repr(extra)
900 if extra >= too_many:
901 raise NoFreeFilenameError
904 ################################################################################
906 def result_join (original, sep = '\t'):
908 for i in xrange(len(original)):
909 if original[i] == None:
910 resultlist.append("")
912 resultlist.append(original[i])
913 return sep.join(resultlist)
915 ################################################################################
917 def prefix_multi_line_string(str, prefix, include_blank_lines=0):
919 for line in str.split('\n'):
921 if line or include_blank_lines:
922 out += "%s%s\n" % (prefix, line)
923 # Strip trailing new line
928 ################################################################################
930 def validate_changes_file_arg(filename, require_changes=1):
932 'filename' is either a .changes or .dak file. If 'filename' is a
933 .dak file, it's changed to be the corresponding .changes file. The
934 function then checks if the .changes file a) exists and b) is
935 readable and returns the .changes filename if so. If there's a
936 problem, the next action depends on the option 'require_changes'
939 - If 'require_changes' == -1, errors are ignored and the .changes
940 filename is returned.
941 - If 'require_changes' == 0, a warning is given and 'None' is returned.
942 - If 'require_changes' == 1, a fatal error is raised.
947 orig_filename = filename
948 if filename.endswith(".dak"):
949 filename = filename[:-4]+".changes"
951 if not filename.endswith(".changes"):
952 error = "invalid file type; not a changes file"
954 if not os.access(filename,os.R_OK):
955 if os.path.exists(filename):
956 error = "permission denied"
958 error = "file not found"
961 if require_changes == 1:
962 fubar("%s: %s." % (orig_filename, error))
963 elif require_changes == 0:
964 warn("Skipping %s - %s" % (orig_filename, error))
966 else: # We only care about the .dak file
971 ################################################################################
974 return (arch != "source" and arch != "all")
976 ################################################################################
978 def join_with_commas_and(list):
979 if len(list) == 0: return "nothing"
980 if len(list) == 1: return list[0]
981 return ", ".join(list[:-1]) + " and " + list[-1]
983 ################################################################################
988 (pkg, version, constraint) = atom
990 pp_dep = "%s (%s %s)" % (pkg, constraint, version)
993 pp_deps.append(pp_dep)
994 return " |".join(pp_deps)
996 ################################################################################
1001 ################################################################################
1003 def parse_args(Options):
1004 """ Handle -a, -c and -s arguments; returns them as SQL constraints """
1005 # XXX: This should go away and everything which calls it be converted
1006 # to use SQLA properly. For now, we'll just fix it not to use
1007 # the old Pg interface though
1008 session = DBConn().session()
1010 if Options["Suite"]:
1012 for suitename in split_args(Options["Suite"]):
1013 suite = get_suite(suitename, session=session)
1014 if not suite or suite.suite_id is None:
1015 warn("suite '%s' not recognised." % (suite and suite.suite_name or suitename))
1017 suite_ids_list.append(suite.suite_id)
1019 con_suites = "AND su.id IN (%s)" % ", ".join([ str(i) for i in suite_ids_list ])
1021 fubar("No valid suite given.")
1026 if Options["Component"]:
1027 component_ids_list = []
1028 for componentname in split_args(Options["Component"]):
1029 component = get_component(componentname, session=session)
1030 if component is None:
1031 warn("component '%s' not recognised." % (componentname))
1033 component_ids_list.append(component.component_id)
1034 if component_ids_list:
1035 con_components = "AND c.id IN (%s)" % ", ".join([ str(i) for i in component_ids_list ])
1037 fubar("No valid component given.")
1041 # Process architecture
1042 con_architectures = ""
1044 if Options["Architecture"]:
1046 for archname in split_args(Options["Architecture"]):
1047 if archname == "source":
1050 arch = get_architecture(archname, session=session)
1052 warn("architecture '%s' not recognised." % (archname))
1054 arch_ids_list.append(arch.arch_id)
1056 con_architectures = "AND a.id IN (%s)" % ", ".join([ str(i) for i in arch_ids_list ])
1058 if not check_source:
1059 fubar("No valid architecture given.")
1063 return (con_suites, con_architectures, con_components, check_source)
1065 ################################################################################
1067 # Inspired(tm) by Bryn Keller's print_exc_plus (See
1068 # http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52215)
1071 tb = sys.exc_info()[2]
1078 frame = frame.f_back
1080 traceback.print_exc()
1082 print "\nFrame %s in %s at line %s" % (frame.f_code.co_name,
1083 frame.f_code.co_filename,
1085 for key, value in frame.f_locals.items():
1086 print "\t%20s = " % key,
1090 print "<unable to print>"
1092 ################################################################################
1094 def try_with_debug(function):
1102 ################################################################################
1104 def arch_compare_sw (a, b):
1106 Function for use in sorting lists of architectures.
1108 Sorts normally except that 'source' dominates all others.
1111 if a == "source" and b == "source":
1120 ################################################################################
1122 def split_args (s, dwim=1):
1124 Split command line arguments which can be separated by either commas
1125 or whitespace. If dwim is set, it will complain about string ending
1126 in comma since this usually means someone did 'dak ls -a i386, m68k
1127 foo' or something and the inevitable confusion resulting from 'm68k'
1128 being treated as an argument is undesirable.
1131 if s.find(",") == -1:
1134 if s[-1:] == "," and dwim:
1135 fubar("split_args: found trailing comma, spurious space maybe?")
1138 ################################################################################
1140 def gpgv_get_status_output(cmd, status_read, status_write):
1142 Our very own version of commands.getouputstatus(), hacked to support
1146 cmd = ['/bin/sh', '-c', cmd]
1147 p2cread, p2cwrite = os.pipe()
1148 c2pread, c2pwrite = os.pipe()
1149 errout, errin = os.pipe()
1159 for i in range(3, 256):
1160 if i != status_write:
1166 os.execvp(cmd[0], cmd)
1172 os.dup2(c2pread, c2pwrite)
1173 os.dup2(errout, errin)
1175 output = status = ""
1177 i, o, e = select.select([c2pwrite, errin, status_read], [], [])
1180 r = os.read(fd, 8196)
1182 more_data.append(fd)
1183 if fd == c2pwrite or fd == errin:
1185 elif fd == status_read:
1188 fubar("Unexpected file descriptor [%s] returned from select\n" % (fd))
1190 pid, exit_status = os.waitpid(pid, 0)
1192 os.close(status_write)
1193 os.close(status_read)
1203 return output, status, exit_status
1205 ################################################################################
1207 def process_gpgv_output(status):
1208 # Process the status-fd output
1211 for line in status.split('\n'):
1215 split = line.split()
1217 internal_error += "gpgv status line is malformed (< 2 atoms) ['%s'].\n" % (line)
1219 (gnupg, keyword) = split[:2]
1220 if gnupg != "[GNUPG:]":
1221 internal_error += "gpgv status line is malformed (incorrect prefix '%s').\n" % (gnupg)
1224 if keywords.has_key(keyword) and keyword not in [ "NODATA", "SIGEXPIRED", "KEYEXPIRED" ]:
1225 internal_error += "found duplicate status token ('%s').\n" % (keyword)
1228 keywords[keyword] = args
1230 return (keywords, internal_error)
1232 ################################################################################
1234 def retrieve_key (filename, keyserver=None, keyring=None):
1236 Retrieve the key that signed 'filename' from 'keyserver' and
1237 add it to 'keyring'. Returns nothing on success, or an error message
1241 # Defaults for keyserver and keyring
1243 keyserver = Cnf["Dinstall::KeyServer"]
1245 keyring = get_primary_keyring_path()
1247 # Ensure the filename contains no shell meta-characters or other badness
1248 if not re_taint_free.match(filename):
1249 return "%s: tainted filename" % (filename)
1251 # Invoke gpgv on the file
1252 status_read, status_write = os.pipe()
1253 cmd = "gpgv --status-fd %s --keyring /dev/null %s" % (status_write, filename)
1254 (_, status, _) = gpgv_get_status_output(cmd, status_read, status_write)
1256 # Process the status-fd output
1257 (keywords, internal_error) = process_gpgv_output(status)
1259 return internal_error
1261 if not keywords.has_key("NO_PUBKEY"):
1262 return "didn't find expected NO_PUBKEY in gpgv status-fd output"
1264 fingerprint = keywords["NO_PUBKEY"][0]
1265 # XXX - gpg sucks. You can't use --secret-keyring=/dev/null as
1266 # it'll try to create a lockfile in /dev. A better solution might
1267 # be a tempfile or something.
1268 cmd = "gpg --no-default-keyring --secret-keyring=%s --no-options" \
1269 % (Cnf["Dinstall::SigningKeyring"])
1270 cmd += " --keyring %s --keyserver %s --recv-key %s" \
1271 % (keyring, keyserver, fingerprint)
1272 (result, output) = commands.getstatusoutput(cmd)
1274 return "'%s' failed with exit code %s" % (cmd, result)
1278 ################################################################################
1280 def gpg_keyring_args(keyrings=None):
1282 keyrings = get_active_keyring_paths()
1284 return " ".join(["--keyring %s" % x for x in keyrings])
1286 ################################################################################
1288 def check_signature (sig_filename, data_filename="", keyrings=None, autofetch=None, session=None):
1290 Check the signature of a file and return the fingerprint if the
1291 signature is valid or 'None' if it's not. The first argument is the
1292 filename whose signature should be checked. The second argument is a
1293 reject function and is called when an error is found. The reject()
1294 function must allow for two arguments: the first is the error message,
1295 the second is an optional prefix string. It's possible for reject()
1296 to be called more than once during an invocation of check_signature().
1297 The third argument is optional and is the name of the files the
1298 detached signature applies to. The fourth argument is optional and is
1299 a *list* of keyrings to use. 'autofetch' can either be None, True or
1300 False. If None, the default behaviour specified in the config will be
1306 # Ensure the filename contains no shell meta-characters or other badness
1307 if not re_taint_free.match(sig_filename):
1308 rejects.append("!!WARNING!! tainted signature filename: '%s'." % (sig_filename))
1309 return (None, rejects)
1311 if data_filename and not re_taint_free.match(data_filename):
1312 rejects.append("!!WARNING!! tainted data filename: '%s'." % (data_filename))
1313 return (None, rejects)
1316 keyrings = [ x.keyring_name for x in session.query(Keyring).filter(Keyring.active == True).all() ]
1318 # Autofetch the signing key if that's enabled
1319 if autofetch == None:
1320 autofetch = Cnf.get("Dinstall::KeyAutoFetch")
1322 error_msg = retrieve_key(sig_filename)
1324 rejects.append(error_msg)
1325 return (None, rejects)
1327 # Build the command line
1328 status_read, status_write = os.pipe()
1329 cmd = "gpgv --status-fd %s %s %s %s" % (
1330 status_write, gpg_keyring_args(keyrings), sig_filename, data_filename)
1332 # Invoke gpgv on the file
1333 (output, status, exit_status) = gpgv_get_status_output(cmd, status_read, status_write)
1335 # Process the status-fd output
1336 (keywords, internal_error) = process_gpgv_output(status)
1338 # If we failed to parse the status-fd output, let's just whine and bail now
1340 rejects.append("internal error while performing signature check on %s." % (sig_filename))
1341 rejects.append(internal_error, "")
1342 rejects.append("Please report the above errors to the Archive maintainers by replying to this mail.", "")
1343 return (None, rejects)
1345 # Now check for obviously bad things in the processed output
1346 if keywords.has_key("KEYREVOKED"):
1347 rejects.append("The key used to sign %s has been revoked." % (sig_filename))
1348 if keywords.has_key("BADSIG"):
1349 rejects.append("bad signature on %s." % (sig_filename))
1350 if keywords.has_key("ERRSIG") and not keywords.has_key("NO_PUBKEY"):
1351 rejects.append("failed to check signature on %s." % (sig_filename))
1352 if keywords.has_key("NO_PUBKEY"):
1353 args = keywords["NO_PUBKEY"]
1356 rejects.append("The key (0x%s) used to sign %s wasn't found in the keyring(s)." % (key, sig_filename))
1357 if keywords.has_key("BADARMOR"):
1358 rejects.append("ASCII armour of signature was corrupt in %s." % (sig_filename))
1359 if keywords.has_key("NODATA"):
1360 rejects.append("no signature found in %s." % (sig_filename))
1361 if keywords.has_key("EXPKEYSIG"):
1362 args = keywords["EXPKEYSIG"]
1365 rejects.append("Signature made by expired key 0x%s" % (key))
1366 if keywords.has_key("KEYEXPIRED") and not keywords.has_key("GOODSIG"):
1367 args = keywords["KEYEXPIRED"]
1371 if timestamp.count("T") == 0:
1373 expiredate = time.strftime("%Y-%m-%d", time.gmtime(float(timestamp)))
1375 expiredate = "unknown (%s)" % (timestamp)
1377 expiredate = timestamp
1378 rejects.append("The key used to sign %s has expired on %s" % (sig_filename, expiredate))
1380 if len(rejects) > 0:
1381 return (None, rejects)
1383 # Next check gpgv exited with a zero return code
1385 rejects.append("gpgv failed while checking %s." % (sig_filename))
1387 rejects.append(prefix_multi_line_string(status, " [GPG status-fd output:] "))
1389 rejects.append(prefix_multi_line_string(output, " [GPG output:] "))
1390 return (None, rejects)
1392 # Sanity check the good stuff we expect
1393 if not keywords.has_key("VALIDSIG"):
1394 rejects.append("signature on %s does not appear to be valid [No VALIDSIG]." % (sig_filename))
1396 args = keywords["VALIDSIG"]
1398 rejects.append("internal error while checking signature on %s." % (sig_filename))
1400 fingerprint = args[0]
1401 if not keywords.has_key("GOODSIG"):
1402 rejects.append("signature on %s does not appear to be valid [No GOODSIG]." % (sig_filename))
1403 if not keywords.has_key("SIG_ID"):
1404 rejects.append("signature on %s does not appear to be valid [No SIG_ID]." % (sig_filename))
1406 # Finally ensure there's not something we don't recognise
1407 known_keywords = dict(VALIDSIG="",SIG_ID="",GOODSIG="",BADSIG="",ERRSIG="",
1408 SIGEXPIRED="",KEYREVOKED="",NO_PUBKEY="",BADARMOR="",
1409 NODATA="",NOTATION_DATA="",NOTATION_NAME="",KEYEXPIRED="",POLICY_URL="")
1411 for keyword in keywords.keys():
1412 if not known_keywords.has_key(keyword):
1413 rejects.append("found unknown status token '%s' from gpgv with args '%r' in %s." % (keyword, keywords[keyword], sig_filename))
1415 if len(rejects) > 0:
1416 return (None, rejects)
1418 return (fingerprint, [])
1420 ################################################################################
1422 def gpg_get_key_addresses(fingerprint):
1423 """retreive email addresses from gpg key uids for a given fingerprint"""
1424 addresses = key_uid_email_cache.get(fingerprint)
1425 if addresses != None:
1428 cmd = "gpg --no-default-keyring %s --fingerprint %s" \
1429 % (gpg_keyring_args(), fingerprint)
1430 (result, output) = commands.getstatusoutput(cmd)
1432 for l in output.split('\n'):
1433 m = re_gpg_uid.match(l)
1435 addresses.add(m.group(1))
1436 key_uid_email_cache[fingerprint] = addresses
1439 ################################################################################
1441 # Inspired(tm) by http://www.zopelabs.com/cookbook/1022242603
1443 def wrap(paragraph, max_length, prefix=""):
1447 words = paragraph.split()
1450 word_size = len(word)
1451 if word_size > max_length:
1453 s += line + '\n' + prefix
1454 s += word + '\n' + prefix
1457 new_length = len(line) + word_size + 1
1458 if new_length > max_length:
1459 s += line + '\n' + prefix
1472 ################################################################################
1474 def clean_symlink (src, dest, root):
1476 Relativize an absolute symlink from 'src' -> 'dest' relative to 'root'.
1479 src = src.replace(root, '', 1)
1480 dest = dest.replace(root, '', 1)
1481 dest = os.path.dirname(dest)
1482 new_src = '../' * len(dest.split('/'))
1483 return new_src + src
1485 ################################################################################
1487 def temp_filename(directory=None, prefix="dak", suffix=""):
1489 Return a secure and unique filename by pre-creating it.
1490 If 'directory' is non-null, it will be the directory the file is pre-created in.
1491 If 'prefix' is non-null, the filename will be prefixed with it, default is dak.
1492 If 'suffix' is non-null, the filename will end with it.
1494 Returns a pair (fd, name).
1497 return tempfile.mkstemp(suffix, prefix, directory)
1499 ################################################################################
1501 def temp_dirname(parent=None, prefix="dak", suffix=""):
1503 Return a secure and unique directory by pre-creating it.
1504 If 'parent' is non-null, it will be the directory the directory is pre-created in.
1505 If 'prefix' is non-null, the filename will be prefixed with it, default is dak.
1506 If 'suffix' is non-null, the filename will end with it.
1508 Returns a pathname to the new directory
1511 return tempfile.mkdtemp(suffix, prefix, parent)
1513 ################################################################################
1515 def is_email_alias(email):
1516 """ checks if the user part of the email is listed in the alias file """
1518 if alias_cache == None:
1519 aliasfn = which_alias_file()
1522 for l in open(aliasfn):
1523 alias_cache.add(l.split(':')[0])
1524 uid = email.split('@')[0]
1525 return uid in alias_cache
1527 ################################################################################
1529 def get_changes_files(from_dir):
1531 Takes a directory and lists all .changes files in it (as well as chdir'ing
1532 to the directory; this is due to broken behaviour on the part of p-u/p-a
1533 when you're not in the right place)
1535 Returns a list of filenames
1538 # Much of the rest of p-u/p-a depends on being in the right place
1540 changes_files = [x for x in os.listdir(from_dir) if x.endswith('.changes')]
1541 except OSError as e:
1542 fubar("Failed to read list from directory %s (%s)" % (from_dir, e))
1544 return changes_files
1546 ################################################################################
1550 Cnf = apt_pkg.newConfiguration()
1551 if not os.getenv("DAK_TEST"):
1552 apt_pkg.ReadConfigFileISC(Cnf,default_config)
1554 if which_conf_file() != default_config:
1555 apt_pkg.ReadConfigFileISC(Cnf,which_conf_file())
1557 ################################################################################
1559 def parse_wnpp_bug_file(file = "/srv/ftp-master.debian.org/scripts/masterfiles/wnpp_rm"):
1561 Parses the wnpp bug list available at http://qa.debian.org/data/bts/wnpp_rm
1562 Well, actually it parsed a local copy, but let's document the source
1565 returns a dict associating source package name with a list of open wnpp
1566 bugs (Yes, there might be more than one)
1572 lines = f.readlines()
1573 except IOError as e:
1574 print "Warning: Couldn't open %s; don't know about WNPP bugs, so won't close any." % file
1579 splited_line = line.split(": ", 1)
1580 if len(splited_line) > 1:
1581 wnpp[splited_line[0]] = splited_line[1].split("|")
1583 for source in wnpp.keys():
1585 for wnpp_bug in wnpp[source]:
1586 bug_no = re.search("(\d)+", wnpp_bug).group()
1592 ################################################################################
1594 def get_packages_from_ftp(root, suite, component, architecture):
1596 Returns an object containing apt_pkg-parseable data collected by
1597 aggregating Packages.gz files gathered for each architecture.
1600 @param root: path to ftp archive root directory
1603 @param suite: suite to extract files from
1605 @type component: string
1606 @param component: component to extract files from
1608 @type architecture: string
1609 @param architecture: architecture to extract files from
1612 @return: apt_pkg class containing package data
1615 filename = "%s/dists/%s/%s/binary-%s/Packages.gz" % (root, suite, component, architecture)
1616 (fd, temp_file) = temp_filename()
1617 (result, output) = commands.getstatusoutput("gunzip -c %s > %s" % (filename, temp_file))
1619 fubar("Gunzip invocation failed!\n%s\n" % (output), result)
1620 filename = "%s/dists/%s/%s/debian-installer/binary-%s/Packages.gz" % (root, suite, component, architecture)
1621 if os.path.exists(filename):
1622 (result, output) = commands.getstatusoutput("gunzip -c %s >> %s" % (filename, temp_file))
1624 fubar("Gunzip invocation failed!\n%s\n" % (output), result)
1625 packages = open_file(temp_file)
1626 Packages = apt_pkg.ParseTagFile(packages)
1627 os.unlink(temp_file)