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
uri_set[uri] = True
# Convert OrderedDicts to tuples.
for k, v in uri_map.items():
uri_map[k] = tuple(v)
return uri_map
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
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/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))
else:
for myuri in myuris:
file_uri_tuples.append((os.path.basename(myuri), myuri))
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[: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 not filedict[myfile]:
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/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 mysettings['EPREFIX']:
global_config_path = os.path.join(mysettings['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 = {
"DISTDIR": mysettings["DISTDIR"],
"URI": loc,
"FILE": myfile
}
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
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
