def test_valid_elf(self):
"""Test that elf routines work on a small set of objects."""
arch = pkg.portable.get_isainfo()[0]
for p in self.elf_paths:
p = re.sub("__ARCH__", arch, p)
self.debug("testing elf file {0}".format(p))
self.assertTrue(os.path.exists(p), "{0} does not exist".format(p))
self.assertEqual(elf.is_elf_object(p), True)
elf.get_dynamic(p)
elf.get_info(p)
def test_valid_elf(self):
"""Test that elf routines work on a small set of objects."""
arch = pkg.portable.get_isainfo()[0]
for p in self.elf_paths:
p = re.sub("__ARCH__", arch, p)
self.debug("testing elf file %s" % p)
self.assert_(os.path.exists(p))
self.assertEqual(elf.is_elf_object(p), True)
elf.get_dynamic(p)
elf.get_info(p)
def __elf_wrong_location_check(self, path):
result = None
ei = elf.get_info(path)
bits = ei.get("bits")
type = ei.get("type");
elems = os.path.dirname(path).split("/")
if ("amd64" in elems) or ("sparcv9" in elems) or ("64" in elems):
path64 = True
else:
path64 = False
if ("i86" in elems) or ("sparcv7" in elems) or ("32" in elems):
path32 = True
else:
path32 = False
# ignore 64-bit executables in normal (non-32-bit-specific)
# locations, that's ok now.
if (type == "exe" and bits == 64 and path32 == False and path64 == False):
return result
if bits == 32 and path64:
result = _("32-bit object '%s' in 64-bit path")
elif bits == 64 and not path64:
result = _("64-bit object '%s' in 32-bit path")
return result
def process_elf_dependencies(action, pkg_vars, dyn_tok_conv,
kernel_paths, **kwargs):
"""Produce the elf dependencies for the file delivered in the action
provided.
'action' is the file action to analyze.
'pkg_vars' is the list of variants against which the package delivering
the action was published.
'dyn_tok_conv' is the dictionary which maps the dynamic tokens, like
$PLATFORM, to the values they should be expanded to.
'kernel_paths' contains the run paths which kernel modules should use.
"""
if not action.name == "file":
return [], [], {}
installed_path = action.attrs[action.key_attr]
proto_file = action.attrs[PD_LOCAL_PATH]
if not os.path.exists(proto_file):
raise base.MissingFile(proto_file)
if not elf.is_elf_object(proto_file):
return [], [], {}
try:
ei = elf.get_info(proto_file)
ed = elf.get_dynamic(proto_file)
except elf.ElfError, e:
raise BadElfFile(proto_file, e)
def __elf_aslr_check(self, path, engine):
result = None
ei = elf.get_info(path)
type = ei.get("type");
if type != "exe":
return result
# get the ASLR tag string for this binary
aslr_tag_process = subprocess.Popen(
"/usr/bin/elfedit -r -e 'dyn:sunw_aslr' "
+ path, shell=True,
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
# aslr_tag_string will get stdout; err will get stderr
aslr_tag_string, err = aslr_tag_process.communicate()
# No ASLR tag was found; everthing must be tagged
if aslr_tag_process.returncode != 0:
engine.error(
_("'%s' is not tagged for aslr") % (path),
msgid="%s%s.5" % (self.name, "001"))
return result
# look for "ENABLE" anywhere in the string;
# warn about binaries which are not ASLR enabled
if re.search("ENABLE", aslr_tag_string) is not None:
return result
engine.warning(
_("'%s' does not have aslr enabled") % (path),
msgid="%s%s.6" % (self.name, "001"))
return result
def process_elf_dependencies(action, pkg_vars, dyn_tok_conv, kernel_paths,
**kwargs):
"""Produce the elf dependencies for the file delivered in the action
provided.
'action' is the file action to analyze.
'pkg_vars' is the list of variants against which the package delivering
the action was published.
'dyn_tok_conv' is the dictionary which maps the dynamic tokens, like
$PLATFORM, to the values they should be expanded to.
'kernel_paths' contains the run paths which kernel modules should use.
"""
if not action.name == "file":
return [], [], {}
installed_path = action.attrs[action.key_attr]
proto_file = action.attrs[PD_LOCAL_PATH]
if not os.path.exists(proto_file):
raise base.MissingFile(proto_file)
if not elf.is_elf_object(proto_file):
return [], [], {}
try:
ei = elf.get_info(proto_file)
ed = elf.get_dynamic(proto_file)
except elf.ElfError, e:
raise BadElfFile(proto_file, e)
def __elf_aslr_check(self, path, engine):
result = None
ei = elf.get_info(path)
type = ei.get("type")
if type != "exe":
return result
# get the ASLR tag string for this binary
aslr_tag_process = subprocess.Popen(
"/usr/bin/elfedit -r -e 'dyn:sunw_aslr' " + path,
shell=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE)
# aslr_tag_string will get stdout; err will get stderr
aslr_tag_string, err = aslr_tag_process.communicate()
# No ASLR tag was found; everthing must be tagged
if aslr_tag_process.returncode != 0:
engine.error(_("'%s' is not tagged for aslr") % (path),
msgid="%s%s.5" % (self.name, "001"))
return result
# look for "ENABLE" anywhere in the string;
# warn about binaries which are not ASLR enabled
if re.search("ENABLE", aslr_tag_string) is not None:
return result
engine.warning(_("'%s' does not have aslr enabled") % (path),
msgid="%s%s.6" % (self.name, "001"))
return result
def __elf_wrong_location_check(self, path, inspath):
result = None
ei = elf.get_info(path)
bits = ei.get("bits")
type = ei.get("type")
elems = os.path.dirname(inspath).split("/")
path32 = False
path64 = False
# Walk through the path elements backward and at the first
# 32/64 bit specific element, flag it and break.
for p in elems[::-1]:
if (p in self.pathlist32):
path32 = True
break
if (p in self.pathlist64):
path64 = True
break
# ignore 64-bit executables in normal (non-32-bit-specific)
# locations, that's ok now.
if (type == "exe" and bits == 64 and path32 == False
and path64 == False):
return result
if bits == 32 and path64:
result = _("32-bit object '%%s' in 64-bit path(%s)" % elems)
elif bits == 64 and not path64:
result = _("64-bit object '%s' in 32-bit path")
return result
def __elf_wrong_location_check(self, path):
result = None
ei = elf.get_info(path)
bits = ei.get("bits")
type = ei.get("type")
elems = os.path.dirname(path).split("/")
path64 = False
for p in self.pathlist64:
if (p in elems):
path64 = True
path32 = False
for p in self.pathlist32:
if (p in elems):
path32 = True
# ignore 64-bit executables in normal (non-32-bit-specific)
# locations, that's ok now.
if (type == "exe" and bits == 64 and path32 == False
and path64 == False):
return result
if bits == 32 and path64:
result = _("32-bit object '%s' in 64-bit path")
elif bits == 64 and not path64:
result = _("64-bit object '%s' in 32-bit path")
return result
def __elf_runpath_check(self, path, engine):
result = None
list = []
ed = elf.get_dynamic(path)
ei = elf.get_info(path)
bits = ei.get("bits")
for dir in ed.get("runpath", "").split(":"):
if dir == None or dir == '':
continue
match = False
for expr in self.runpath_re:
if expr.match(dir):
match = True
break
# The RUNPATH shouldn't contain any runtime linker
# default paths (or the /64 equivalent link)
if dir in [
'/lib', '/lib/64', '/lib/amd64', '/lib/sparcv9',
'/usr/lib', '/usr/lib/64', '/usr/lib/amd64',
'/usr/lib/sparcv9'
]:
list.append(dir)
if match == False:
list.append(dir)
if bits == 32:
for expr in self.runpath_64_re:
if expr.search(dir):
engine.warning(_(
"64-bit runpath in 32-bit binary, '%s' includes '%s'"
) % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
else:
match = False
for expr in self.runpath_64_re:
if expr.search(dir):
match = True
break
if match == False:
engine.warning(
_("32-bit runpath in 64-bit binary, '%s' includes '%s'"
) % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
if len(list) > 0:
result = _("bad RUNPATH, '%%s' includes '%s'" % ":".join(list))
return result
def __elf_wrong_location_check(self, path):
result = None
ei = elf.get_info(path)
bits = ei.get("bits")
elems = os.path.dirname(path).split("/")
if ("amd64" in elems) or ("sparcv9" in elems) or ("64" in elems):
path64 = True
else:
path64 = False
if bits == 32 and path64:
result = _("32-bit object '%s' in 64-bit path")
elif bits == 64 and not path64:
result = _("64-bit object '%s' in 32-bit path")
return result
def __elf_runpath_check(self, path, engine):
result = None
list = []
ed = elf.get_dynamic(path)
ei = elf.get_info(path)
bits = ei.get("bits")
for dir in ed.get("runpath", "").split(":"):
if dir == None or dir == '':
continue
match = False
for expr in self.runpath_re:
if expr.match(dir):
match = True
break
if match == False:
list.append(dir)
if bits == 32:
for expr in self.runpath_64_re:
if expr.search(dir):
engine.warning(_(
"64-bit runpath in 32-bit binary, '%s' includes '%s'"
) % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
else:
match = False
for expr in self.runpath_64_re:
if expr.search(dir):
match = True
break
if match == False:
engine.warning(
_("32-bit runpath in 64-bit binary, '%s' includes '%s'"
) % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
if len(list) > 0:
result = _("bad RUNPATH, '%%s' includes '%s'" % ":".join(list))
return result
def __elf_runpath_check(self, path, engine):
result = None
list = []
ed = elf.get_dynamic(path)
ei = elf.get_info(path)
bits = ei.get("bits")
for dir in ed.get("runpath", "").split(":"):
if dir == None or dir == '':
continue
match = False
for expr in self.runpath_re:
if expr.match(dir):
match = True
break
if match == False:
list.append(dir)
if bits == 32:
for expr in self.runpath_64_re:
if expr.search(dir):
engine.warning(
_("64-bit runpath in 32-bit binary, '%s' includes '%s'") % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
else:
match = False
for expr in self.runpath_64_re:
if expr.search(dir):
match = True
break
if match == False:
engine.warning(
_("32-bit runpath in 64-bit binary, '%s' includes '%s'") % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
if len(list) > 0:
result = _("bad RUNPATH, '%%s' includes '%s'" %
":".join(list))
return result
def __elf_aslr_check(self, path, engine, _pkglint_id):
"""Verify that given executable binary is ASLR tagged and enabled."""
elfinfo = elf.get_info(path)
if elfinfo["type"] != "exe":
return
# get the ASLR tag string for this binary
res = subprocess.run(
["/usr/bin/elfedit", "-r", "-e", "dyn:sunw_aslr", path],
capture_output=True)
# No ASLR tag was found; everything must be tagged
if res.returncode != 0:
engine.error(f"'{path}' is not tagged for aslr",
msgid=f"{self.name}{_pkglint_id}.5")
# look for "ENABLE" anywhere in the string;
# warn about binaries which are not ASLR enabled
elif b"ENABLE" not in res.stdout:
engine.warning(f"'{path}' does not have aslr enabled",
msgid=f"{self.name}{_pkglint_id}.6")
def process_elf_dependencies(action, proto_dir, pkg_vars, **kwargs):
"""Given a file action and proto directory, produce the elf dependencies
for that file."""
if not action.name == "file":
return []
installed_path = action.attrs[action.key_attr]
proto_file = os.path.join(proto_dir, installed_path)
if not os.path.exists(proto_file):
raise base.MissingFile(proto_file)
if not elf.is_elf_object(proto_file):
return []
try:
ei = elf.get_info(proto_file)
ed = elf.get_dynamic(proto_file)
except elf.ElfError, e:
raise BadElfFile(proto_file, e)
def process_elf_dependencies(action, proto_dir, pkg_vars, **kwargs):
"""Given a file action and proto directory, produce the elf dependencies
for that file."""
if not action.name == "file":
return []
installed_path = action.attrs[action.key_attr]
proto_file = os.path.join(proto_dir, installed_path)
if not os.path.exists(proto_file):
raise base.MissingFile(proto_file)
if not elf.is_elf_object(proto_file):
return []
try:
ei = elf.get_info(proto_file)
ed = elf.get_dynamic(proto_file)
except elf.ElfError, e:
raise BadElfFile(proto_file, e)
def __elf_wrong_location_check(self, path, inspath):
result = None
ei = elf.get_info(path)
bits = ei.get("bits")
type = ei.get("type")
elems = os.path.dirname(inspath).split("/")
path32 = False
path64 = False
# Walk through the path elements backward and at the first
# 32/64 bit specific element, flag it and break.
for p in elems[::-1]:
if (p in self.pathlist32):
path32 = True
break
if (p in self.pathlist64):
path64 = True
break
# The Xorg module directory is a hybrid case - everything
# but the dri subdirectory is 64-bit
if (os.path.dirname(inspath).startswith("usr/lib/xorg/modules") and
not os.path.dirname(inspath) == "usr/lib/xorg/modules/dri"):
path64 = True
# ignore 64-bit executables in normal (non-32-bit-specific)
# locations, that's ok now.
if (type == "exe" and bits == 64 and path32 == False
and path64 == False):
return result
if bits == 32 and path64:
result = _("32-bit object '%%s' in 64-bit path(%s)" % elems)
elif bits == 64 and not path64:
result = _("64-bit object '%s' in 32-bit path")
return result
def __elf_location_check(self, path, inspath, engine, _pkglint_id):
"""Make sure that file is placed within correct 32/64 directory."""
elfinfo = elf.get_info(path)
bits = elfinfo["bits"]
elftype = elfinfo["type"]
elems = os.path.dirname(inspath).split("/")
path32 = False
path64 = False
# Walk through the path elements backward and at the first
# 32/64 bit specific element, flag it and break.
for part in elems[::-1]:
if part in self.pathlist32:
path32 = True
break
if part in self.pathlist64:
path64 = True
break
# The Xorg module directory is a hybrid case - everything
# but the dri subdirectory is 64-bit
dirname = os.path.dirname(inspath)
if dirname.startswith("usr/lib/xorg/modules"
) and dirname != "usr/lib/xorg/modules/dri":
path64 = True
# ignore 64-bit executables in normal (non-32-bit-specific)
# locations, that's ok now.
if elftype == "exe" and bits == 64 and not path32 and not path64:
return
if bits == 32 and path64:
engine.error(f"32-bit object '{inspath}' in 64-bit path({elems})",
msgid=f"{self.name}{_pkglint_id}.2")
elif bits == 64 and not path64:
engine.error(f"64-bit object '{inspath}' in 32-bit path",
msgid=f"{self.name}{_pkglint_id}.2")
fname, data = misc.get_data_digest(action.data(),
length=size, return_content=True)
action.hash = fname
# Extract ELF information
# XXX This needs to be modularized.
if haveelf and data[:4] == "\x7fELF":
elf_name = os.path.join(self.dir, ".temp-%s"
% fname)
elf_file = open(elf_name, "wb")
elf_file.write(data)
elf_file.close()
try:
elf_info = elf.get_info(elf_name)
except elf.ElfError, e:
raise TransactionContentError(e)
try:
elf_hash = elf.get_dynamic(
elf_name)["hash"]
action.attrs["elfhash"] = elf_hash
except elf.ElfError:
pass
action.attrs["elfbits"] = str(elf_info["bits"])
action.attrs["elfarch"] = elf_info["arch"]
os.unlink(elf_name)
try:
dst_path = self.rstore.file(fname)
fname, data = misc.get_data_digest(action.data(),
length=size,
return_content=True)
action.hash = fname
# Extract ELF information
# XXX This needs to be modularized.
if haveelf and data[:4] == "\x7fELF":
elf_name = "%s/.temp" % self.dir
elf_file = open(elf_name, "wb")
elf_file.write(data)
elf_file.close()
try:
elf_info = elf.get_info(elf_name)
except elf.ElfError, e:
raise TransactionContentError(e)
try:
elf_hash = elf.get_dynamic(elf_name)["hash"]
action.attrs["elfhash"] = elf_hash
except elf.ElfError:
pass
action.attrs["elfbits"] = str(elf_info["bits"])
action.attrs["elfarch"] = elf_info["arch"]
os.unlink(elf_name)
#
# This check prevents entering into the depot store
# a file which is already there in the store.
def __elf_runpath_check(self, path, engine, _pkglint_id):
"""Verify that RUNPATH of given binary is correct."""
runpath_list = []
dyninfo = elf.get_dynamic(path)
elfinfo = elf.get_info(path)
for runpath in dyninfo.get("runpath", "").split(":"):
if not runpath:
continue
match = False
for expr in self.runpath_re:
if expr.match(runpath):
match = True
break
if not match:
runpath_list.append(runpath)
# Make sure RUNPATH matches against a packaged path.
# Don't check runpaths starting with $ORIGIN, which
# is specially handled by the linker.
elif not runpath.startswith("$ORIGIN/"):
# Strip out leading and trailing '/' in the
# runpath, since the reference paths don't start
# with '/' and trailing '/' could cause mismatches.
# Check first if there is an exact match, then check
# if any reference path starts with this runpath
# plus a trailing slash, since it may still be a link
# to a directory that has no action because it uses
# the default attributes.
relative_dir = runpath.strip("/")
if relative_dir not in self.ref_paths and not any(
key.startswith(relative_dir + "/")
for key in self.ref_paths):
# If still no match, if the runpath contains
# an embedded symlink, emit a warning; it may or may
# not resolve to a legitimate path.
# E.g., for usr/openwin/lib, usr/openwin->X11 and
# usr/X11/lib are packaged, but usr/openwin/lib is not.
# Otherwise, runpath is bad; add it to list.
pdir = os.path.dirname(relative_dir)
while pdir != "":
if pdir in self.ref_paths and self.ref_paths[pdir][0][
1].name == "link":
engine.warning(
f"runpath '{runpath}' in '{path}' not found in reference "
f"paths but contains symlink at '{pdir}'",
msgid=f"{self.name}{_pkglint_id}.3")
break
pdir = os.path.dirname(pdir)
else:
runpath_list.append(runpath)
if elfinfo["bits"] == 32:
for expr in self.runpath_64_re:
if expr.search(runpath):
engine.warning(
f"64-bit runpath in 32-bit binary, '{path}' includes '{runpath}'",
msgid=f"{self.name}{_pkglint_id}.3")
else:
for expr in self.runpath_64_re:
if expr.search(runpath):
break
else:
engine.warning(
f"32-bit runpath in 64-bit binary, '{path}' includes '{runpath}'",
msgid=f"{self.name}{_pkglint_id}.3")
# handle all incorrect RUNPATHs in a single error
if runpath_list:
engine.error(
f"bad RUNPATH, '{path}' includes '{':'.join(runpath_list)}'",
msgid=f"{self.name}{_pkglint_id}.3")
def __get_elf_attrs(self, action, fname, size):
"""Helper function to get the ELF information."""
# This currently uses the presence of "elfhash" to indicate the
# need for *any* content hashes to be added. This will work as
# expected until elfhash is no longer generated by default, and
# then this logic will need to be updated accordingly.
need_elf_info = False
need_elfhash = False
bufsz = misc.PKG_FILE_BUFSIZ
if bufsz > size:
bufsz = size
f = action.data()
magic = f.read(4)
if haveelf and magic == b"\x7fELF":
need_elf_info = ("elfarch" not in action.attrs
or "elfbits" not in action.attrs)
need_elfhash = "elfhash" not in action.attrs
if not need_elf_info or not need_elfhash:
f.close()
return misc.EmptyDict
elf_name = os.path.join(self._tmpdir, ".temp-{0}".format(fname))
with open(elf_name, "wb") as elf_file:
elf_file.write(magic)
while True:
data = f.read(bufsz)
if not data:
break
elf_file.write(data)
f.close()
attrs = {}
if need_elf_info:
try:
elf_info = elf.get_info(elf_name)
except elf.ElfError as e:
raise TransactionError(e)
attrs["elfbits"] = str(elf_info["bits"])
attrs["elfarch"] = elf_info["arch"]
# Check which content checksums to compute and add to the action
get_elfhash = (need_elfhash
and "elfhash" in digest.DEFAULT_GELF_HASH_ATTRS)
get_sha256 = (need_elfhash and not digest.sha512_supported
and "pkg.content-hash" in digest.DEFAULT_GELF_HASH_ATTRS)
get_sha512t_256 = (need_elfhash and digest.sha512_supported
and "pkg.content-hash"
in digest.DEFAULT_GELF_HASH_ATTRS)
if get_elfhash or get_sha256 or get_sha512t_256:
try:
attrs.update(
elf.get_hashes(elf_name,
elfhash=get_elfhash,
sha256=get_sha256,
sha512t_256=get_sha512t_256))
except elf.ElfError:
pass
os.unlink(elf_name)
return attrs
def __elf_runpath_check(self, path, engine):
result = None
list = []
ed = elf.get_dynamic(path)
ei = elf.get_info(path)
bits = ei.get("bits")
for dir in ed.get("runpath", "").split(":"):
if dir == None or dir == '':
continue
match = False
for expr in self.runpath_re:
if expr.match(dir):
match = True
break
if match == False:
list.append(dir)
# Make sure RUNPATH matches against a packaged path.
# Don't check runpaths starting with $ORIGIN, which
# is specially handled by the linker.
elif not dir.startswith('$ORIGIN/'):
# Strip out leading and trailing '/' in the
# runpath, since the reference paths don't start
# with '/' and trailing '/' could cause mismatches.
# Check first if there is an exact match, then check
# if any reference path starts with this runpath
# plus a trailing slash, since it may still be a link
# to a directory that has no action because it uses
# the default attributes.
relative_dir = dir.strip('/')
if not relative_dir in self.ref_paths and \
not any(key.startswith(relative_dir + '/')
for key in self.ref_paths):
# If still no match, if the runpath contains
# an embedded symlink, emit a warning; it may or may
# not resolve to a legitimate path.
# E.g., for usr/openwin/lib, usr/openwin->X11 and
# usr/X11/lib are packaged, but usr/openwin/lib is not.
# Otherwise, runpath is bad; add it to list.
embedded_link = False
pdir = os.path.dirname(relative_dir)
while pdir != '':
if (pdir in self.ref_paths
and self.ref_paths[pdir][0][1].name == "link"):
embedded_link = True
engine.warning(_(
"runpath '%s' in '%s' not found in reference paths but contains symlink at '%s'"
) % (dir, path, pdir),
msgid="%s%s.3" % (self.name, "001"))
break
pdir = os.path.dirname(pdir)
if not embedded_link:
list.append(dir)
if bits == 32:
for expr in self.runpath_64_re:
if expr.search(dir):
engine.warning(_(
"64-bit runpath in 32-bit binary, '%s' includes '%s'"
) % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
else:
match = False
for expr in self.runpath_64_re:
if expr.search(dir):
match = True
break
if match == False:
engine.warning(
_("32-bit runpath in 64-bit binary, '%s' includes '%s'"
) % (path, dir),
msgid="%s%s.3" % (self.name, "001"))
if len(list) > 0:
result = _("bad RUNPATH, '%%s' includes '%s'" % ":".join(list))
return result
def process_elf_dependencies(action, pkg_vars, dyn_tok_conv, run_paths,
**kwargs):
"""Produce the elf dependencies for the file delivered in the action
provided.
'action' is the file action to analyze.
'pkg_vars' is the list of variants against which the package delivering
the action was published.
'dyn_tok_conv' is the dictionary which maps the dynamic tokens, like
$PLATFORM, to the values they should be expanded to.
'run_paths' contains the run paths which elf binaries should use.
"""
if not action.name == "file":
return [], [], {}
installed_path = action.attrs[action.key_attr]
proto_file = action.attrs[PD_LOCAL_PATH]
if not os.path.exists(proto_file):
raise base.MissingFile(proto_file)
if not elf.is_elf_object(proto_file):
return [], [], {}
try:
ei = elf.get_info(proto_file)
ed = elf.get_dynamic(proto_file)
except elf.ElfError as e:
raise BadElfFile(proto_file, e)
deps = [
d[0]
for d in ed.get("deps", [])
]
rp = ed.get("runpath", "").split(":")
if len(rp) == 1 and rp[0] == "":
rp = []
dyn_tok_conv["$ORIGIN"] = [os.path.join("/",
os.path.dirname(installed_path))]
kernel64 = None
# For kernel modules, default path resolution is /platform/<platform>,
# /kernel, /usr/kernel. But how do we know what <platform> would be for
# a given module? Does it do fallbacks to, say, sun4u?
if installed_path.startswith("kernel") or \
installed_path.startswith("usr/kernel") or \
(installed_path.startswith("platform") and \
installed_path.split("/")[2] == "kernel"):
if rp and (len(rp) > 1 or
not re.match(r'^/usr/gcc/\d/lib$', rp[0])):
raise RuntimeError("RUNPATH set for kernel module "
"({0}): {1}".format(installed_path, rp))
# Add this platform to the search path.
if installed_path.startswith("platform"):
rp.append("/platform/{0}/kernel".format(
installed_path.split("/")[1]))
else:
for p in dyn_tok_conv.get("$PLATFORM", []):
rp.append("/platform/{0}/kernel".format(p))
# Default kernel search path
rp.extend(["/kernel", "/usr/kernel"])
# What subdirectory should we look in for 64-bit kernel modules?
if ei["bits"] == 64:
if ei["arch"] == "i386":
kernel64 = "amd64"
elif ei["arch"] == "sparc":
kernel64 = "sparcv9"
else:
raise RuntimeError("Unknown arch:{0}".format(
ei["arch"]))
else:
for p in default_run_paths:
if ei["bits"] == 64:
p += "/64"
if p not in rp:
rp.append(p)
elist = []
if run_paths:
# add our detected runpaths into the user-supplied one (if any)
rp = base.insert_default_runpath(rp, run_paths)
rp, errs = expand_variables(rp, dyn_tok_conv)
elist.extend([
UnsupportedDynamicToken(proto_file, installed_path, p, tok)
for p, tok in errs
])
res = []
for d in deps:
pn, fn = os.path.split(d)
pathlist = []
for p in rp:
if kernel64:
# Find 64-bit modules the way krtld does.
# XXX We don't resolve dependencies found in
# /platform, since we don't know where under
# /platform to look.
deppath = \
os.path.join(p, pn, kernel64, fn).lstrip(
os.path.sep)
else:
deppath = os.path.join(p, d).lstrip(os.path.sep)
# deppath includes filename; remove that.
head, tail = os.path.split(deppath)
if head:
pathlist.append(head)
res.append(ElfDependency(action, fn, pathlist, pkg_vars,
action.attrs[PD_PROTO_DIR]))
del dyn_tok_conv["$ORIGIN"]
return res, elist, {}
def add_content(self, action):
"""Adds the content of the provided action (if applicable) to
the Transaction."""
# Perform additional publication-time validation of actions
# before further processing is done.
try:
action.validate()
except actions.ActionError as e:
raise TransactionOperationError(e)
if self.append_trans and action.name != "signature":
raise TransactionOperationError(non_sig=True)
size = int(action.attrs.get("pkg.size", 0))
if action.has_payload and size <= 0:
# XXX hack for empty files
action.data = lambda: open(os.devnull, "rb")
if action.data is not None:
# get all hashes for this action
hashes, data = misc.get_data_digest(action.data(),
length=size, return_content=True,
hash_attrs=digest.LEGACY_HASH_ATTRS,
hash_algs=digest.HASH_ALGS)
# set the hash member for backwards compatibility and
# remove it from the dictionary
action.hash = hashes.pop("hash", None)
action.attrs.update(hashes)
# now set the hash value that will be used for storing
# the file in the repository.
hash_attr, hash_val, hash_func = \
digest.get_least_preferred_hash(action)
fname = hash_val
# Extract ELF information if not already provided.
# XXX This needs to be modularized.
if haveelf and data[:4] == b"\x7fELF" and (
"elfarch" not in action.attrs or
"elfbits" not in action.attrs or
"elfhash" not in action.attrs):
elf_name = os.path.join(self.dir,
".temp-{0}".format(fname))
elf_file = open(elf_name, "wb")
elf_file.write(data)
elf_file.close()
try:
elf_info = elf.get_info(elf_name)
except elf.ElfError as e:
raise TransactionContentError(e)
try:
# Check which content checksums to
# compute and add to the action
elf1 = "elfhash"
if elf1 in \
digest.LEGACY_CONTENT_HASH_ATTRS:
get_sha1 = True
else:
get_sha1 = False
hashes = elf.get_hashes(elf_name,
elfhash=get_sha1)
if get_sha1:
action.attrs[elf1] = hashes[elf1]
except elf.ElfError:
pass
action.attrs["elfbits"] = str(elf_info["bits"])
action.attrs["elfarch"] = elf_info["arch"]
os.unlink(elf_name)
try:
dst_path = self.rstore.file(fname)
except Exception as e:
# The specific exception can't be named here due
# to the cyclic dependency between this class
# and the repository class.
if getattr(e, "data", "") != fname:
raise
dst_path = None
csize, chashes = misc.compute_compressed_attrs(
fname, dst_path, data, size, self.dir)
for attr in chashes:
action.attrs[attr] = chashes[attr]
action.attrs["pkg.csize"] = csize
self.remaining_payload_cnt = \
len(action.attrs.get("chain.sizes", "").split())
# Do some sanity checking on packages marked or being marked
# obsolete or renamed.
if action.name == "set" and \
action.attrs["name"] == "pkg.obsolete" and \
action.attrs["value"] == "true":
self.obsolete = True
if self.types_found.difference(
set(("set", "signature"))):
raise TransactionOperationError(_("An obsolete "
"package cannot contain actions other than "
"'set' and 'signature'."))
elif action.name == "set" and \
action.attrs["name"] == "pkg.renamed" and \
action.attrs["value"] == "true":
self.renamed = True
if self.types_found.difference(
set(("depend", "set", "signature"))):
raise TransactionOperationError(_("A renamed "
"package cannot contain actions other than "
"'set', 'depend', and 'signature'."))
if not self.has_reqdeps and action.name == "depend" and \
action.attrs["type"] == "require":
self.has_reqdeps = True
if self.obsolete and self.renamed:
# Reset either obsolete or renamed, depending on which
# action this was.
if action.attrs["name"] == "pkg.obsolete":
self.obsolete = False
else:
self.renamed = False
raise TransactionOperationError(_("A package may not "
" be marked for both obsoletion and renaming."))
elif self.obsolete and action.name not in ("set", "signature"):
raise TransactionOperationError(_("A '{type}' action "
"cannot be present in an obsolete package: "
"{action}").format(
type=action.name, action=action))
elif self.renamed and action.name not in \
("depend", "set", "signature"):
raise TransactionOperationError(_("A '{type}' action "
"cannot be present in a renamed package: "
"{action}").format(
type=action.name, action=action))
# Now that the action is known to be sane, we can add it to the
# manifest.
tfpath = os.path.join(self.dir, "manifest")
tfile = open(tfpath, "a+")
print(action, file=tfile)
tfile.close()
self.types_found.add(action.name)
def add_content(self, action):
"""Adds the content of the provided action (if applicable) to
the Transaction."""
size = int(action.attrs.get("pkg.size", 0))
if action.name in ("file", "license") and size <= 0:
# XXX hack for empty files
action.data = lambda: open(os.devnull, "rb")
if action.data is not None:
bufsz = 64 * 1024
fname, data = misc.get_data_digest(action.data(),
length=size, return_content=True)
action.hash = fname
# Extract ELF information
# XXX This needs to be modularized.
if haveelf and data[:4] == "\x7fELF":
elf_name = "%s/.temp" % self.dir
elf_file = open(elf_name, "wb")
elf_file.write(data)
elf_file.close()
try:
elf_info = elf.get_info(elf_name)
except elf.ElfError, e:
raise TransactionContentError(e)
try:
elf_hash = elf.get_dynamic(
elf_name)["hash"]
action.attrs["elfhash"] = elf_hash
except elf.ElfError:
pass
action.attrs["elfbits"] = str(elf_info["bits"])
action.attrs["elfarch"] = elf_info["arch"]
os.unlink(elf_name)
#
# This check prevents entering into the depot store
# a file which is already there in the store.
# This takes CPU load off the depot on large imports
# of mostly-the-same stuff. And in general it saves
# disk bandwidth, and on ZFS in particular it saves
# us space in differential snapshots. We also need
# to check that the destination is in the same
# compression format as the source, as we must have
# properly formed files for chash/csize properties
# to work right.
#
fpath = misc.hash_file_name(fname)
dst_path = "%s/%s" % (self.cfg.file_root, fpath)
fileneeded = True
if os.path.exists(dst_path):
if PkgGzipFile.test_is_pkggzipfile(dst_path):
fileneeded = False
opath = dst_path
if fileneeded:
opath = os.path.join(self.dir, fname)
ofile = PkgGzipFile(opath, "wb")
nbuf = size / bufsz
for n in range(0, nbuf):
l = n * bufsz
h = (n + 1) * bufsz
ofile.write(data[l:h])
m = nbuf * bufsz
ofile.write(data[m:])
ofile.close()
data = None
# Now that the file has been compressed, determine its
# size and store that as an attribute in the manifest
# for the file.
fs = os.stat(opath)
action.attrs["pkg.csize"] = str(fs.st_size)
# Compute the SHA hash of the compressed file.
# Store this as the chash attribute of the file's
# action. In order for this to work correctly, we
# have to use the PkgGzipFile class. It omits
# filename and timestamp information from the gzip
# header, allowing us to generate deterministic
# hashes for different files with identical content.
cfile = open(opath, "rb")
chash = sha.new()
while True:
cdata = cfile.read(bufsz)
if cdata == "":
break
chash.update(cdata)
cfile.close()
action.attrs["chash"] = chash.hexdigest()
cdata = None