Beispiel #1
0
    def __init__(self, settings, logger):
        self.settings = settings
        self.logger = logger
        # Similar to emerge, sync needs a default umask so that created
        # files have sane permissions.
        os.umask(0o22)

        self.module_controller = portage.sync.module_controller
        self.module_names = self.module_controller.module_names
        self.hooks = {}
        for _dir in ["repo.postsync.d", "postsync.d"]:
            postsync_dir = os.path.join(self.settings["PORTAGE_CONFIGROOT"],
                                        portage.USER_CONFIG_PATH, _dir)
            hooks = OrderedDict()
            for filepath in util._recursive_file_list(postsync_dir):
                name = filepath.split(postsync_dir)[1].lstrip(os.sep)
                if os.access(filepath, os.X_OK):
                    hooks[filepath] = name
                else:
                    writemsg_level(" %s %s hook: '%s' is not executable\n" % (
                        warn("*"),
                        _dir,
                        _unicode_decode(name),
                    ),
                                   level=logging.WARN,
                                   noiselevel=2)
            self.hooks[_dir] = hooks
Beispiel #2
0
def _parse_uri_map(cpv, metadata, use=None):

    myuris = use_reduce(metadata.get('SRC_URI', ''),
                        uselist=use,
                        matchall=(use is None),
                        is_src_uri=True,
                        eapi=metadata['EAPI'])

    uri_map = OrderedDict()

    myuris.reverse()
    while myuris:
        uri = myuris.pop()
        if myuris and myuris[-1] == "->":
            myuris.pop()
            distfile = myuris.pop()
        else:
            distfile = os.path.basename(uri)
            if not distfile:
                raise portage.exception.InvalidDependString(
                 ("getFetchMap(): '%s' SRC_URI has no file " + \
                 "name: '%s'") % (cpv, uri))

        uri_set = uri_map.get(distfile)
        if uri_set is None:
            uri_set = set()
            uri_map[distfile] = uri_set
        uri_set.add(uri)
        uri = None

    return uri_map
Beispiel #3
0
def _parse_uri_map(cpv, metadata, use=None):

    myuris = use_reduce(metadata.get('SRC_URI', ''),
                        uselist=use,
                        matchall=(use is None),
                        is_src_uri=True,
                        eapi=metadata['EAPI'])

    uri_map = OrderedDict()

    myuris.reverse()
    while myuris:
        uri = myuris.pop()
        if myuris and myuris[-1] == "->":
            myuris.pop()
            distfile = myuris.pop()
        else:
            distfile = os.path.basename(uri)
            if not distfile:
                raise portage.exception.InvalidDependString(
                 ("getFetchMap(): '%s' SRC_URI has no file " + \
                 "name: '%s'") % (cpv, uri))

        uri_set = uri_map.get(distfile)
        if uri_set is None:
            # Use OrderedDict to preserve order from SRC_URI
            # while ensuring uniqueness.
            uri_set = OrderedDict()
            uri_map[distfile] = uri_set

        # SRC_URI may contain a file name with no scheme, and in
        # this case it does not belong in uri_set.
        if urlparse(uri).scheme:
            uri_set[uri] = True

    # Convert OrderedDicts to tuples.
    for k, v in uri_map.items():
        uri_map[k] = tuple(v)

    return uri_map
Beispiel #4
0
def count_unread_news(portdb, vardb, repos=None, update=True):
    """
	Returns a dictionary mapping repos to integer counts of unread news items.
	By default, this will scan all repos and check for new items that have
	appeared since the last scan.

	@param portdb: a portage tree database
	@type portdb: pordbapi
	@param vardb: an installed package database
	@type vardb: vardbapi
	@param repos: names of repos to scan (None means to scan all available repos)
	@type repos: list or None
	@param update: check for new items (default is True)
	@type update: boolean
	@rtype: dict
	@return: dictionary mapping repos to integer counts of unread news items
	"""

    NEWS_PATH = os.path.join("metadata", "news")
    UNREAD_PATH = os.path.join(vardb.settings['EROOT'], NEWS_LIB_PATH, "news")
    news_counts = OrderedDict()
    if repos is None:
        repos = portdb.getRepositories()

    permission_msgs = set()
    for repo in repos:
        try:
            manager = NewsManager(portdb, vardb, NEWS_PATH, UNREAD_PATH)
            count = manager.getUnreadItems(repo, update=True)
        except PermissionDenied as e:
            # NOTE: The NewsManager typically handles permission errors by
            # returning silently, so PermissionDenied won't necessarily be
            # raised even if we do trigger a permission error above.
            msg = "Permission denied: '%s'\n" % (e, )
            if msg in permission_msgs:
                pass
            else:
                permission_msgs.add(msg)
                writemsg_level(msg, level=logging.ERROR, noiselevel=-1)
            news_counts[repo] = 0
        else:
            news_counts[repo] = count

    return news_counts
Beispiel #5
0
    def __init__(self, main=True):
        """
		@param main: If True then this is a singleton instance for use
			in the main thread, otherwise it is a local instance which
			can safely be use in a non-main thread (default is True, so
			that global_event_loop does not need constructor arguments)
		@type main: bool
		"""
        self._use_signal = main and fcntl is not None
        self._thread_rlock = threading.RLock()
        self._thread_condition = threading.Condition(self._thread_rlock)
        self._poll_event_queue = []
        self._poll_event_handlers = {}
        self._poll_event_handler_ids = {}
        # Increment id for each new handler.
        self._event_handler_id = 0
        # New call_soon callbacks must have an opportunity to
        # execute before it's safe to wait on self._thread_condition
        # without a timeout, since delaying its execution indefinitely
        # could lead to a deadlock. The following attribute stores the
        # event handler id of the most recently added call_soon callback.
        # If this attribute has changed since the last time that the
        # call_soon callbacks have been called, then it's not safe to
        # wait on self._thread_condition without a timeout.
        self._call_soon_id = 0
        # Use OrderedDict in order to emulate the FIFO queue behavior
        # of the AbstractEventLoop.call_soon method.
        self._idle_callbacks = OrderedDict()
        self._timeout_handlers = {}
        self._timeout_interval = None
        self._default_executor = None

        self._poll_obj = None
        try:
            select.epoll
        except AttributeError:
            pass
        else:
            try:
                epoll_obj = select.epoll()
            except IOError:
                # This happens with Linux 2.4 kernels:
                # IOError: [Errno 38] Function not implemented
                pass
            else:

                # FD_CLOEXEC is enabled by default in Python >=3.4.
                if sys.hexversion < 0x3040000 and fcntl is not None:
                    try:
                        fcntl.FD_CLOEXEC
                    except AttributeError:
                        pass
                    else:
                        fcntl.fcntl(
                            epoll_obj.fileno(), fcntl.F_SETFD,
                            fcntl.fcntl(epoll_obj.fileno(), fcntl.F_GETFD)
                            | fcntl.FD_CLOEXEC)

                self._poll_obj = _epoll_adapter(epoll_obj)
                self.IO_ERR = select.EPOLLERR
                self.IO_HUP = select.EPOLLHUP
                self.IO_IN = select.EPOLLIN
                self.IO_NVAL = 0
                self.IO_OUT = select.EPOLLOUT
                self.IO_PRI = select.EPOLLPRI

        if self._poll_obj is None:
            self._poll_obj = create_poll_instance()
            self.IO_ERR = PollConstants.POLLERR
            self.IO_HUP = PollConstants.POLLHUP
            self.IO_IN = PollConstants.POLLIN
            self.IO_NVAL = PollConstants.POLLNVAL
            self.IO_OUT = PollConstants.POLLOUT
            self.IO_PRI = PollConstants.POLLPRI

        self._child_handlers = {}
        self._sigchld_read = None
        self._sigchld_write = None
        self._sigchld_src_id = None
        self._pid = os.getpid()
Beispiel #6
0
def fetch(myuris, mysettings, listonly=0, fetchonly=0,
	locks_in_subdir=".locks", use_locks=1, try_mirrors=1, digests=None,
	allow_missing_digests=True):
	"fetch files.  Will use digest file if available."

	if not myuris:
		return 1

	features = mysettings.features
	restrict = mysettings.get("PORTAGE_RESTRICT","").split()

	userfetch = secpass >= 2 and "userfetch" in features
	userpriv = secpass >= 2 and "userpriv" in features

	# 'nomirror' is bad/negative logic. You Restrict mirroring, not no-mirroring.
	restrict_mirror = "mirror" in restrict or "nomirror" in restrict
	if restrict_mirror:
		if ("mirror" in features) and ("lmirror" not in features):
			# lmirror should allow you to bypass mirror restrictions.
			# XXX: This is not a good thing, and is temporary at best.
			print(_(">>> \"mirror\" mode desired and \"mirror\" restriction found; skipping fetch."))
			return 1

	# Generally, downloading the same file repeatedly from
	# every single available mirror is a waste of bandwidth
	# and time, so there needs to be a cap.
	checksum_failure_max_tries = 5
	v = checksum_failure_max_tries
	try:
		v = int(mysettings.get("PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS",
			checksum_failure_max_tries))
	except (ValueError, OverflowError):
		writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
			" contains non-integer value: '%s'\n") % \
			mysettings["PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"], noiselevel=-1)
		writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
			"default value: %s\n") % checksum_failure_max_tries,
			noiselevel=-1)
		v = checksum_failure_max_tries
	if v < 1:
		writemsg(_("!!! Variable PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS"
			" contains value less than 1: '%s'\n") % v, noiselevel=-1)
		writemsg(_("!!! Using PORTAGE_FETCH_CHECKSUM_TRY_MIRRORS "
			"default value: %s\n") % checksum_failure_max_tries,
			noiselevel=-1)
		v = checksum_failure_max_tries
	checksum_failure_max_tries = v
	del v

	fetch_resume_size_default = "350K"
	fetch_resume_size = mysettings.get("PORTAGE_FETCH_RESUME_MIN_SIZE")
	if fetch_resume_size is not None:
		fetch_resume_size = "".join(fetch_resume_size.split())
		if not fetch_resume_size:
			# If it's undefined or empty, silently use the default.
			fetch_resume_size = fetch_resume_size_default
		match = _fetch_resume_size_re.match(fetch_resume_size)
		if match is None or \
			(match.group(2).upper() not in _size_suffix_map):
			writemsg(_("!!! Variable PORTAGE_FETCH_RESUME_MIN_SIZE"
				" contains an unrecognized format: '%s'\n") % \
				mysettings["PORTAGE_FETCH_RESUME_MIN_SIZE"], noiselevel=-1)
			writemsg(_("!!! Using PORTAGE_FETCH_RESUME_MIN_SIZE "
				"default value: %s\n") % fetch_resume_size_default,
				noiselevel=-1)
			fetch_resume_size = None
	if fetch_resume_size is None:
		fetch_resume_size = fetch_resume_size_default
		match = _fetch_resume_size_re.match(fetch_resume_size)
	fetch_resume_size = int(match.group(1)) * \
		2 ** _size_suffix_map[match.group(2).upper()]

	# Behave like the package has RESTRICT="primaryuri" after a
	# couple of checksum failures, to increase the probablility
	# of success before checksum_failure_max_tries is reached.
	checksum_failure_primaryuri = 2
	thirdpartymirrors = mysettings.thirdpartymirrors()

	# In the background parallel-fetch process, it's safe to skip checksum
	# verification of pre-existing files in $DISTDIR that have the correct
	# file size. The parent process will verify their checksums prior to
	# the unpack phase.

	parallel_fetchonly = "PORTAGE_PARALLEL_FETCHONLY" in mysettings
	if parallel_fetchonly:
		fetchonly = 1

	check_config_instance(mysettings)

	custommirrors = grabdict(os.path.join(mysettings["PORTAGE_CONFIGROOT"],
		CUSTOM_MIRRORS_FILE), recursive=1)

	mymirrors=[]

	if listonly or ("distlocks" not in features):
		use_locks = 0

	fetch_to_ro = 0
	if "skiprocheck" in features:
		fetch_to_ro = 1

	if not os.access(mysettings["DISTDIR"],os.W_OK) and fetch_to_ro:
		if use_locks:
			writemsg(colorize("BAD",
				_("!!! For fetching to a read-only filesystem, "
				"locking should be turned off.\n")), noiselevel=-1)
			writemsg(_("!!! This can be done by adding -distlocks to "
				"FEATURES in /etc/portage/make.conf\n"), noiselevel=-1)
#			use_locks = 0

	# local mirrors are always added
	if "local" in custommirrors:
		mymirrors += custommirrors["local"]

	if restrict_mirror:
		# We don't add any mirrors.
		pass
	else:
		if try_mirrors:
			mymirrors += [x.rstrip("/") for x in mysettings["GENTOO_MIRRORS"].split() if x]

	hash_filter = _hash_filter(mysettings.get("PORTAGE_CHECKSUM_FILTER", ""))
	if hash_filter.transparent:
		hash_filter = None
	skip_manifest = mysettings.get("EBUILD_SKIP_MANIFEST") == "1"
	if skip_manifest:
		allow_missing_digests = True
	pkgdir = mysettings.get("O")
	if digests is None and not (pkgdir is None or skip_manifest):
		mydigests = mysettings.repositories.get_repo_for_location(
			os.path.dirname(os.path.dirname(pkgdir))).load_manifest(
			pkgdir, mysettings["DISTDIR"]).getTypeDigests("DIST")
	elif digests is None or skip_manifest:
		# no digests because fetch was not called for a specific package
		mydigests = {}
	else:
		mydigests = digests

	ro_distdirs = [x for x in \
		shlex_split(mysettings.get("PORTAGE_RO_DISTDIRS", "")) \
		if os.path.isdir(x)]

	fsmirrors = []
	for x in range(len(mymirrors)-1,-1,-1):
		if mymirrors[x] and mymirrors[x][0]=='/':
			fsmirrors += [mymirrors[x]]
			del mymirrors[x]

	restrict_fetch = "fetch" in restrict
	force_mirror = "force-mirror" in features and not restrict_mirror
	custom_local_mirrors = custommirrors.get("local", [])
	if restrict_fetch:
		# With fetch restriction, a normal uri may only be fetched from
		# custom local mirrors (if available).  A mirror:// uri may also
		# be fetched from specific mirrors (effectively overriding fetch
		# restriction, but only for specific mirrors).
		locations = custom_local_mirrors
	else:
		locations = mymirrors

	file_uri_tuples = []
	# Check for 'items' attribute since OrderedDict is not a dict.
	if hasattr(myuris, 'items'):
		for myfile, uri_set in myuris.items():
			for myuri in uri_set:
				file_uri_tuples.append((myfile, myuri))
			if not uri_set:
				file_uri_tuples.append((myfile, None))
	else:
		for myuri in myuris:
			if urlparse(myuri).scheme:
				file_uri_tuples.append((os.path.basename(myuri), myuri))
			else:
				file_uri_tuples.append((os.path.basename(myuri), None))

	filedict = OrderedDict()
	primaryuri_dict = {}
	thirdpartymirror_uris = {}
	for myfile, myuri in file_uri_tuples:
		if myfile not in filedict:
			filedict[myfile]=[]
			for y in range(0,len(locations)):
				filedict[myfile].append(locations[y]+"/distfiles/"+myfile)
		if myuri is None:
			continue
		if myuri[:9]=="mirror://":
			eidx = myuri.find("/", 9)
			if eidx != -1:
				mirrorname = myuri[9:eidx]
				path = myuri[eidx+1:]

				# Try user-defined mirrors first
				if mirrorname in custommirrors:
					for cmirr in custommirrors[mirrorname]:
						filedict[myfile].append(
							cmirr.rstrip("/") + "/" + path)

				# now try the official mirrors
				if mirrorname in thirdpartymirrors:
					uris = [locmirr.rstrip("/") + "/" + path \
						for locmirr in thirdpartymirrors[mirrorname]]
					random.shuffle(uris)
					filedict[myfile].extend(uris)
					thirdpartymirror_uris.setdefault(myfile, []).extend(uris)

				if mirrorname not in custommirrors and \
					mirrorname not in thirdpartymirrors:
					writemsg(_("!!! No known mirror by the name: %s\n") % (mirrorname))
			else:
				writemsg(_("Invalid mirror definition in SRC_URI:\n"), noiselevel=-1)
				writemsg("  %s\n" % (myuri), noiselevel=-1)
		else:
			if restrict_fetch or force_mirror:
				# Only fetch from specific mirrors is allowed.
				continue
			primaryuris = primaryuri_dict.get(myfile)
			if primaryuris is None:
				primaryuris = []
				primaryuri_dict[myfile] = primaryuris
			primaryuris.append(myuri)

	# Order primaryuri_dict values to match that in SRC_URI.
	for uris in primaryuri_dict.values():
		uris.reverse()

	# Prefer thirdpartymirrors over normal mirrors in cases when
	# the file does not yet exist on the normal mirrors.
	for myfile, uris in thirdpartymirror_uris.items():
		primaryuri_dict.setdefault(myfile, []).extend(uris)

	# Now merge primaryuri values into filedict (includes mirrors
	# explicitly referenced in SRC_URI).
	if "primaryuri" in restrict:
		for myfile, uris in filedict.items():
			filedict[myfile] = primaryuri_dict.get(myfile, []) + uris
	else:
		for myfile in filedict:
			filedict[myfile] += primaryuri_dict.get(myfile, [])

	can_fetch=True

	if listonly:
		can_fetch = False

	if can_fetch and not fetch_to_ro:
		global _userpriv_test_write_file_cache
		dirmode  = 0o070
		filemode =   0o60
		modemask =    0o2
		dir_gid = portage_gid
		if "FAKED_MODE" in mysettings:
			# When inside fakeroot, directories with portage's gid appear
			# to have root's gid. Therefore, use root's gid instead of
			# portage's gid to avoid spurrious permissions adjustments
			# when inside fakeroot.
			dir_gid = 0
		distdir_dirs = [""]
		try:
			
			for x in distdir_dirs:
				mydir = os.path.join(mysettings["DISTDIR"], x)
				write_test_file = os.path.join(
					mydir, ".__portage_test_write__")

				try:
					st = os.stat(mydir)
				except OSError:
					st = None

				if st is not None and stat.S_ISDIR(st.st_mode):
					if not (userfetch or userpriv):
						continue
					if _userpriv_test_write_file(mysettings, write_test_file):
						continue

				_userpriv_test_write_file_cache.pop(write_test_file, None)
				if ensure_dirs(mydir, gid=dir_gid, mode=dirmode, mask=modemask):
					if st is None:
						# The directory has just been created
						# and therefore it must be empty.
						continue
					writemsg(_("Adjusting permissions recursively: '%s'\n") % mydir,
						noiselevel=-1)
					def onerror(e):
						raise # bail out on the first error that occurs during recursion
					if not apply_recursive_permissions(mydir,
						gid=dir_gid, dirmode=dirmode, dirmask=modemask,
						filemode=filemode, filemask=modemask, onerror=onerror):
						raise OperationNotPermitted(
							_("Failed to apply recursive permissions for the portage group."))
		except PortageException as e:
			if not os.path.isdir(mysettings["DISTDIR"]):
				writemsg("!!! %s\n" % str(e), noiselevel=-1)
				writemsg(_("!!! Directory Not Found: DISTDIR='%s'\n") % mysettings["DISTDIR"], noiselevel=-1)
				writemsg(_("!!! Fetching will fail!\n"), noiselevel=-1)

	if can_fetch and \
		not fetch_to_ro and \
		not os.access(mysettings["DISTDIR"], os.W_OK):
		writemsg(_("!!! No write access to '%s'\n") % mysettings["DISTDIR"],
			noiselevel=-1)
		can_fetch = False

	distdir_writable = can_fetch and not fetch_to_ro
	failed_files = set()
	restrict_fetch_msg = False

	for myfile in filedict:
		"""
		fetched  status
		0        nonexistent
		1        partially downloaded
		2        completely downloaded
		"""
		fetched = 0

		orig_digests = mydigests.get(myfile, {})

		if not (allow_missing_digests or listonly):
			verifiable_hash_types = set(orig_digests).intersection(hashfunc_map)
			verifiable_hash_types.discard("size")
			if not verifiable_hash_types:
				expected = set(hashfunc_map)
				expected.discard("size")
				expected = " ".join(sorted(expected))
				got = set(orig_digests)
				got.discard("size")
				got = " ".join(sorted(got))
				reason = (_("Insufficient data for checksum verification"),
					got, expected)
				writemsg(_("!!! Fetched file: %s VERIFY FAILED!\n") % myfile,
					noiselevel=-1)
				writemsg(_("!!! Reason: %s\n") % reason[0],
					noiselevel=-1)
				writemsg(_("!!! Got:      %s\n!!! Expected: %s\n") % \
					(reason[1], reason[2]), noiselevel=-1)

				if fetchonly:
					failed_files.add(myfile)
					continue
				else:
					return 0

		size = orig_digests.get("size")
		if size == 0:
			# Zero-byte distfiles are always invalid, so discard their digests.
			del mydigests[myfile]
			orig_digests.clear()
			size = None
		pruned_digests = orig_digests
		if parallel_fetchonly:
			pruned_digests = {}
			if size is not None:
				pruned_digests["size"] = size

		myfile_path = os.path.join(mysettings["DISTDIR"], myfile)
		has_space = True
		has_space_superuser = True
		file_lock = None
		if listonly:
			writemsg_stdout("\n", noiselevel=-1)
		else:
			# check if there is enough space in DISTDIR to completely store myfile
			# overestimate the filesize so we aren't bitten by FS overhead
			vfs_stat = None
			if size is not None and hasattr(os, "statvfs"):
				try:
					vfs_stat = os.statvfs(mysettings["DISTDIR"])
				except OSError as e:
					writemsg_level("!!! statvfs('%s'): %s\n" %
						(mysettings["DISTDIR"], e),
						noiselevel=-1, level=logging.ERROR)
					del e

			if vfs_stat is not None:
				try:
					mysize = os.stat(myfile_path).st_size
				except OSError as e:
					if e.errno not in (errno.ENOENT, errno.ESTALE):
						raise
					del e
					mysize = 0
				if (size - mysize + vfs_stat.f_bsize) >= \
					(vfs_stat.f_bsize * vfs_stat.f_bavail):

					if (size - mysize + vfs_stat.f_bsize) >= \
						(vfs_stat.f_bsize * vfs_stat.f_bfree):
						has_space_superuser = False

					if not has_space_superuser:
						has_space = False
					elif secpass < 2:
						has_space = False
					elif userfetch:
						has_space = False

			if distdir_writable and use_locks:

				lock_kwargs = {}
				if fetchonly:
					lock_kwargs["flags"] = os.O_NONBLOCK

				try:
					file_lock = lockfile(myfile_path,
						wantnewlockfile=1, **lock_kwargs)
				except TryAgain:
					writemsg(_(">>> File '%s' is already locked by "
						"another fetcher. Continuing...\n") % myfile,
						noiselevel=-1)
					continue
		try:
			if not listonly:

				eout = EOutput()
				eout.quiet = mysettings.get("PORTAGE_QUIET") == "1"
				match, mystat = _check_distfile(
					myfile_path, pruned_digests, eout, hash_filter=hash_filter)
				if match:
					# Skip permission adjustment for symlinks, since we don't
					# want to modify anything outside of the primary DISTDIR,
					# and symlinks typically point to PORTAGE_RO_DISTDIRS.
					if distdir_writable and not os.path.islink(myfile_path):
						try:
							apply_secpass_permissions(myfile_path,
								gid=portage_gid, mode=0o664, mask=0o2,
								stat_cached=mystat)
						except PortageException as e:
							if not os.access(myfile_path, os.R_OK):
								writemsg(_("!!! Failed to adjust permissions:"
									" %s\n") % str(e), noiselevel=-1)
							del e
					continue

				if distdir_writable and mystat is None:
					# Remove broken symlinks if necessary.
					try:
						os.unlink(myfile_path)
					except OSError:
						pass

				if mystat is not None:
					if stat.S_ISDIR(mystat.st_mode):
						writemsg_level(
							_("!!! Unable to fetch file since "
							"a directory is in the way: \n"
							"!!!   %s\n") % myfile_path,
							level=logging.ERROR, noiselevel=-1)
						return 0

					if mystat.st_size == 0:
						if distdir_writable:
							try:
								os.unlink(myfile_path)
							except OSError:
								pass
					elif distdir_writable:
						if mystat.st_size < fetch_resume_size and \
							mystat.st_size < size:
							# If the file already exists and the size does not
							# match the existing digests, it may be that the
							# user is attempting to update the digest. In this
							# case, the digestgen() function will advise the
							# user to use `ebuild --force foo.ebuild manifest`
							# in order to force the old digests to be replaced.
							# Since the user may want to keep this file, rename
							# it instead of deleting it.
							writemsg(_(">>> Renaming distfile with size "
								"%d (smaller than " "PORTAGE_FETCH_RESU"
								"ME_MIN_SIZE)\n") % mystat.st_size)
							temp_filename = \
								_checksum_failure_temp_file(
								mysettings["DISTDIR"], myfile)
							writemsg_stdout(_("Refetching... "
								"File renamed to '%s'\n\n") % \
								temp_filename, noiselevel=-1)
						elif mystat.st_size >= size:
							temp_filename = \
								_checksum_failure_temp_file(
								mysettings["DISTDIR"], myfile)
							writemsg_stdout(_("Refetching... "
								"File renamed to '%s'\n\n") % \
								temp_filename, noiselevel=-1)

				if distdir_writable and ro_distdirs:
					readonly_file = None
					for x in ro_distdirs:
						filename = os.path.join(x, myfile)
						match, mystat = _check_distfile(
							filename, pruned_digests, eout, hash_filter=hash_filter)
						if match:
							readonly_file = filename
							break
					if readonly_file is not None:
						try:
							os.unlink(myfile_path)
						except OSError as e:
							if e.errno not in (errno.ENOENT, errno.ESTALE):
								raise
							del e
						os.symlink(readonly_file, myfile_path)
						continue

				# this message is shown only after we know that
				# the file is not already fetched
				if not has_space:
					writemsg(_("!!! Insufficient space to store %s in %s\n") % \
						(myfile, mysettings["DISTDIR"]), noiselevel=-1)

					if has_space_superuser:
						writemsg(_("!!! Insufficient privileges to use "
							"remaining space.\n"), noiselevel=-1)
						if userfetch:
							writemsg(_("!!! You may set FEATURES=\"-userfetch\""
								" in /etc/portage/make.conf in order to fetch with\n"
								"!!! superuser privileges.\n"), noiselevel=-1)

				if fsmirrors and not os.path.exists(myfile_path) and has_space:
					for mydir in fsmirrors:
						mirror_file = os.path.join(mydir, myfile)
						try:
							shutil.copyfile(mirror_file, myfile_path)
							writemsg(_("Local mirror has file: %s\n") % myfile)
							break
						except (IOError, OSError) as e:
							if e.errno not in (errno.ENOENT, errno.ESTALE):
								raise
							del e

				try:
					mystat = os.stat(myfile_path)
				except OSError as e:
					if e.errno not in (errno.ENOENT, errno.ESTALE):
						raise
					del e
				else:
					# Skip permission adjustment for symlinks, since we don't
					# want to modify anything outside of the primary DISTDIR,
					# and symlinks typically point to PORTAGE_RO_DISTDIRS.
					if not os.path.islink(myfile_path):
						try:
							apply_secpass_permissions(myfile_path,
								gid=portage_gid, mode=0o664, mask=0o2,
								stat_cached=mystat)
						except PortageException as e:
							if not os.access(myfile_path, os.R_OK):
								writemsg(_("!!! Failed to adjust permissions:"
									" %s\n") % (e,), noiselevel=-1)

					# If the file is empty then it's obviously invalid. Remove
					# the empty file and try to download if possible.
					if mystat.st_size == 0:
						if distdir_writable:
							try:
								os.unlink(myfile_path)
							except EnvironmentError:
								pass
					elif myfile not in mydigests:
						# We don't have a digest, but the file exists.  We must
						# assume that it is fully downloaded.
						continue
					else:
						if mystat.st_size < mydigests[myfile]["size"] and \
							not restrict_fetch:
							fetched = 1 # Try to resume this download.
						elif parallel_fetchonly and \
							mystat.st_size == mydigests[myfile]["size"]:
							eout = EOutput()
							eout.quiet = \
								mysettings.get("PORTAGE_QUIET") == "1"
							eout.ebegin(
								"%s size ;-)" % (myfile, ))
							eout.eend(0)
							continue
						else:
							digests = _filter_unaccelarated_hashes(mydigests[myfile])
							if hash_filter is not None:
								digests = _apply_hash_filter(digests, hash_filter)
							verified_ok, reason = verify_all(myfile_path, digests)
							if not verified_ok:
								writemsg(_("!!! Previously fetched"
									" file: '%s'\n") % myfile, noiselevel=-1)
								writemsg(_("!!! Reason: %s\n") % reason[0],
									noiselevel=-1)
								writemsg(_("!!! Got:      %s\n"
									"!!! Expected: %s\n") % \
									(reason[1], reason[2]), noiselevel=-1)
								if reason[0] == _("Insufficient data for checksum verification"):
									return 0
								if distdir_writable:
									temp_filename = \
										_checksum_failure_temp_file(
										mysettings["DISTDIR"], myfile)
									writemsg_stdout(_("Refetching... "
										"File renamed to '%s'\n\n") % \
										temp_filename, noiselevel=-1)
							else:
								eout = EOutput()
								eout.quiet = \
									mysettings.get("PORTAGE_QUIET", None) == "1"
								if digests:
									digests = list(digests)
									digests.sort()
									eout.ebegin(
										"%s %s ;-)" % (myfile, " ".join(digests)))
									eout.eend(0)
								continue # fetch any remaining files

			# Create a reversed list since that is optimal for list.pop().
			uri_list = filedict[myfile][:]
			uri_list.reverse()
			checksum_failure_count = 0
			tried_locations = set()
			while uri_list:
				loc = uri_list.pop()
				# Eliminate duplicates here in case we've switched to
				# "primaryuri" mode on the fly due to a checksum failure.
				if loc in tried_locations:
					continue
				tried_locations.add(loc)
				if listonly:
					writemsg_stdout(loc+" ", noiselevel=-1)
					continue
				# allow different fetchcommands per protocol
				protocol = loc[0:loc.find("://")]

				global_config_path = GLOBAL_CONFIG_PATH
				if portage.const.EPREFIX:
					global_config_path = os.path.join(portage.const.EPREFIX,
							GLOBAL_CONFIG_PATH.lstrip(os.sep))

				missing_file_param = False
				fetchcommand_var = "FETCHCOMMAND_" + protocol.upper()
				fetchcommand = mysettings.get(fetchcommand_var)
				if fetchcommand is None:
					fetchcommand_var = "FETCHCOMMAND"
					fetchcommand = mysettings.get(fetchcommand_var)
					if fetchcommand is None:
						writemsg_level(
							_("!!! %s is unset. It should "
							"have been defined in\n!!! %s/make.globals.\n") \
							% (fetchcommand_var, global_config_path),
							level=logging.ERROR, noiselevel=-1)
						return 0
				if "${FILE}" not in fetchcommand:
					writemsg_level(
						_("!!! %s does not contain the required ${FILE}"
						" parameter.\n") % fetchcommand_var,
						level=logging.ERROR, noiselevel=-1)
					missing_file_param = True

				resumecommand_var = "RESUMECOMMAND_" + protocol.upper()
				resumecommand = mysettings.get(resumecommand_var)
				if resumecommand is None:
					resumecommand_var = "RESUMECOMMAND"
					resumecommand = mysettings.get(resumecommand_var)
					if resumecommand is None:
						writemsg_level(
							_("!!! %s is unset. It should "
							"have been defined in\n!!! %s/make.globals.\n") \
							% (resumecommand_var, global_config_path),
							level=logging.ERROR, noiselevel=-1)
						return 0
				if "${FILE}" not in resumecommand:
					writemsg_level(
						_("!!! %s does not contain the required ${FILE}"
						" parameter.\n") % resumecommand_var,
						level=logging.ERROR, noiselevel=-1)
					missing_file_param = True

				if missing_file_param:
					writemsg_level(
						_("!!! Refer to the make.conf(5) man page for "
						"information about how to\n!!! correctly specify "
						"FETCHCOMMAND and RESUMECOMMAND.\n"),
						level=logging.ERROR, noiselevel=-1)
					if myfile != os.path.basename(loc):
						return 0

				if not can_fetch:
					if fetched != 2:
						try:
							mysize = os.stat(myfile_path).st_size
						except OSError as e:
							if e.errno not in (errno.ENOENT, errno.ESTALE):
								raise
							del e
							mysize = 0

						if mysize == 0:
							writemsg(_("!!! File %s isn't fetched but unable to get it.\n") % myfile,
								noiselevel=-1)
						elif size is None or size > mysize:
							writemsg(_("!!! File %s isn't fully fetched, but unable to complete it\n") % myfile,
								noiselevel=-1)
						else:
							writemsg(_("!!! File %s is incorrect size, "
								"but unable to retry.\n") % myfile, noiselevel=-1)
						return 0
					else:
						continue

				if fetched != 2 and has_space:
					#we either need to resume or start the download
					if fetched == 1:
						try:
							mystat = os.stat(myfile_path)
						except OSError as e:
							if e.errno not in (errno.ENOENT, errno.ESTALE):
								raise
							del e
							fetched = 0
						else:
							if mystat.st_size < fetch_resume_size:
								writemsg(_(">>> Deleting distfile with size "
									"%d (smaller than " "PORTAGE_FETCH_RESU"
									"ME_MIN_SIZE)\n") % mystat.st_size)
								try:
									os.unlink(myfile_path)
								except OSError as e:
									if e.errno not in \
										(errno.ENOENT, errno.ESTALE):
										raise
									del e
								fetched = 0
					if fetched == 1:
						#resume mode:
						writemsg(_(">>> Resuming download...\n"))
						locfetch=resumecommand
						command_var = resumecommand_var
					else:
						#normal mode:
						locfetch=fetchcommand
						command_var = fetchcommand_var
					writemsg_stdout(_(">>> Downloading '%s'\n") % \
						_hide_url_passwd(loc))
					variables = {
						"URI":     loc,
						"FILE":    myfile
					}

					for k in ("DISTDIR", "PORTAGE_SSH_OPTS"):
						try:
							variables[k] = mysettings[k]
						except KeyError:
							pass

					myfetch = shlex_split(locfetch)
					myfetch = [varexpand(x, mydict=variables) for x in myfetch]
					myret = -1
					try:

						myret = _spawn_fetch(mysettings, myfetch)

					finally:
						try:
							apply_secpass_permissions(myfile_path,
								gid=portage_gid, mode=0o664, mask=0o2)
						except FileNotFound:
							pass
						except PortageException as e:
							if not os.access(myfile_path, os.R_OK):
								writemsg(_("!!! Failed to adjust permissions:"
									" %s\n") % str(e), noiselevel=-1)
							del e

					# If the file is empty then it's obviously invalid.  Don't
					# trust the return value from the fetcher.  Remove the
					# empty file and try to download again.
					try:
						if os.stat(myfile_path).st_size == 0:
							os.unlink(myfile_path)
							fetched = 0
							continue
					except EnvironmentError:
						pass

					if mydigests is not None and myfile in mydigests:
						try:
							mystat = os.stat(myfile_path)
						except OSError as e:
							if e.errno not in (errno.ENOENT, errno.ESTALE):
								raise
							del e
							fetched = 0
						else:

							if stat.S_ISDIR(mystat.st_mode):
								# This can happen if FETCHCOMMAND erroneously
								# contains wget's -P option where it should
								# instead have -O.
								writemsg_level(
									_("!!! The command specified in the "
									"%s variable appears to have\n!!! "
									"created a directory instead of a "
									"normal file.\n") % command_var,
									level=logging.ERROR, noiselevel=-1)
								writemsg_level(
									_("!!! Refer to the make.conf(5) "
									"man page for information about how "
									"to\n!!! correctly specify "
									"FETCHCOMMAND and RESUMECOMMAND.\n"),
									level=logging.ERROR, noiselevel=-1)
								return 0

							# no exception?  file exists. let digestcheck() report
							# an appropriately for size or checksum errors

							# If the fetcher reported success and the file is
							# too small, it's probably because the digest is
							# bad (upstream changed the distfile).  In this
							# case we don't want to attempt to resume. Show a
							# digest verification failure to that the user gets
							# a clue about what just happened.
							if myret != os.EX_OK and \
								mystat.st_size < mydigests[myfile]["size"]:
								# Fetch failed... Try the next one... Kill 404 files though.
								if (mystat[stat.ST_SIZE]<100000) and (len(myfile)>4) and not ((myfile[-5:]==".html") or (myfile[-4:]==".htm")):
									html404=re.compile("<title>.*(not found|404).*</title>",re.I|re.M)
									with io.open(
										_unicode_encode(myfile_path,
										encoding=_encodings['fs'], errors='strict'),
										mode='r', encoding=_encodings['content'], errors='replace'
										) as f:
										if html404.search(f.read()):
											try:
												os.unlink(mysettings["DISTDIR"]+"/"+myfile)
												writemsg(_(">>> Deleting invalid distfile. (Improper 404 redirect from server.)\n"))
												fetched = 0
												continue
											except (IOError, OSError):
												pass
								fetched = 1
								continue
							if True:
								# File is the correct size--check the checksums for the fetched
								# file NOW, for those users who don't have a stable/continuous
								# net connection. This way we have a chance to try to download
								# from another mirror...
								digests = _filter_unaccelarated_hashes(mydigests[myfile])
								if hash_filter is not None:
									digests = _apply_hash_filter(digests, hash_filter)
								verified_ok, reason = verify_all(myfile_path, digests)
								if not verified_ok:
									writemsg(_("!!! Fetched file: %s VERIFY FAILED!\n") % myfile,
										noiselevel=-1)
									writemsg(_("!!! Reason: %s\n") % reason[0],
										noiselevel=-1)
									writemsg(_("!!! Got:      %s\n!!! Expected: %s\n") % \
										(reason[1], reason[2]), noiselevel=-1)
									if reason[0] == _("Insufficient data for checksum verification"):
										return 0
									temp_filename = \
										_checksum_failure_temp_file(
										mysettings["DISTDIR"], myfile)
									writemsg_stdout(_("Refetching... "
										"File renamed to '%s'\n\n") % \
										temp_filename, noiselevel=-1)
									fetched=0
									checksum_failure_count += 1
									if checksum_failure_count == \
										checksum_failure_primaryuri:
										# Switch to "primaryuri" mode in order
										# to increase the probablility of
										# of success.
										primaryuris = \
											primaryuri_dict.get(myfile)
										if primaryuris:
											uri_list.extend(
												reversed(primaryuris))
									if checksum_failure_count >= \
										checksum_failure_max_tries:
										break
								else:
									eout = EOutput()
									eout.quiet = mysettings.get("PORTAGE_QUIET", None) == "1"
									if digests:
										eout.ebegin("%s %s ;-)" % \
											(myfile, " ".join(sorted(digests))))
										eout.eend(0)
									fetched=2
									break
					else:
						if not myret:
							fetched=2
							break
						elif mydigests!=None:
							writemsg(_("No digest file available and download failed.\n\n"),
								noiselevel=-1)
		finally:
			if use_locks and file_lock:
				unlockfile(file_lock)
				file_lock = None

		if listonly:
			writemsg_stdout("\n", noiselevel=-1)
		if fetched != 2:
			if restrict_fetch and not restrict_fetch_msg:
				restrict_fetch_msg = True
				msg = _("\n!!! %s/%s"
					" has fetch restriction turned on.\n"
					"!!! This probably means that this "
					"ebuild's files must be downloaded\n"
					"!!! manually.  See the comments in"
					" the ebuild for more information.\n\n") % \
					(mysettings["CATEGORY"], mysettings["PF"])
				writemsg_level(msg,
					level=logging.ERROR, noiselevel=-1)
			elif restrict_fetch:
				pass
			elif listonly:
				pass
			elif not filedict[myfile]:
				writemsg(_("Warning: No mirrors available for file"
					" '%s'\n") % (myfile), noiselevel=-1)
			else:
				writemsg(_("!!! Couldn't download '%s'. Aborting.\n") % myfile,
					noiselevel=-1)

			if listonly:
				failed_files.add(myfile)
				continue
			elif fetchonly:
				failed_files.add(myfile)
				continue
			return 0
	if failed_files:
		return 0
	return 1
Beispiel #7
0
# Copyright 2014-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

import os

from portage import OrderedDict
from portage.module import Modules
from portage.sync.controller import SyncManager
from portage.sync.config_checks import check_type

_SUBMODULE_PATH_MAP = OrderedDict([
    ('glsa', ('metadata/glsa', )),
    ('news', ('metadata/news', )),
    ('profiles', ('metadata/layout.conf', 'profiles')),
])

path = os.path.join(os.path.dirname(__file__), "modules")
# initial development debug info
#print("module path:", path)

module_controller = Modules(path=path, namepath="portage.sync.modules")

# initial development debug info
#print(module_controller.module_names)
module_names = module_controller.module_names[:]


def module_specific_options(repo):
    '''Get the authorized module specific options set for
	the repos.conf settings for the repo'''
    global module_controller
Beispiel #8
0
# Copyright 2014-2015 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

import os

from portage import OrderedDict
from portage.module import Modules
from portage.sync.controller import SyncManager
from portage.sync.config_checks import check_type

_SUBMODULE_PATH_MAP = OrderedDict([
	('glsa', 'metadata/glsa'),
	('news', 'metadata/news'),
	('profiles', 'profiles'),
])

path = os.path.join(os.path.dirname(__file__), "modules")
# initial development debug info
#print("module path:", path)

module_controller = Modules(path=path, namepath="portage.sync.modules")

# initial development debug info
#print(module_controller.module_names)
module_names = module_controller.module_names[:]


def module_specific_options(repo):
	'''Get the authorized module specific options set for
	the repos.conf settings for the repo'''
	global module_controller