-#!/bin/bash
+#!@PORTAGE_BASH@
- # Copyright 1999-2007 Gentoo Foundation
+ # Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
# Author Brandon Low <lostlogic@gentoo.org>
-#!/usr/bin/python
+#!@PREFIX_PORTAGE_PYTHON@
- # Copyright 2008-2009 Gentoo Foundation
+ # Copyright 2008-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from __future__ import print_function
-#!/usr/bin/python
+#!@PREFIX_PORTAGE_PYTHON@
- # Copyright 1999-2010 Gentoo Foundation
+ # Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2
from __future__ import print_function
SUPPORTED_FEATURES = frozenset([
"assume-digests", "binpkg-logs", "buildpkg", "buildsyspkg", "candy",
"ccache", "chflags", "collision-protect", "compress-build-logs",
- "digest", "distcc", "distlocks", "ebuild-locks", "fakeroot",
+ "digest", "distcc", "distcc-pump", "distlocks", "ebuild-locks", "fakeroot",
"fail-clean", "fixpackages", "force-mirror", "getbinpkg",
"installsources", "keeptemp", "keepwork", "fixlafiles", "lmirror",
+ "macossandbox", "macosprefixsandbox", "macosusersandbox",
"metadata-transfer", "mirror", "multilib-strict", "news",
"noauto", "noclean", "nodoc", "noinfo", "noman",
"nostrip", "notitles", "parallel-fetch", "parallel-install",
def path_to_node(path):
node = path_node_map.get(path)
if node is None:
- node = linkmap._LibGraphNode(path, root)
- node = LinkageMap._LibGraphNode(linkmap._obj_key(path))
++ node = linkmap._LibGraphNode(linkmap._obj_key(path))
alt_path_node = lib_graph.get(node)
if alt_path_node is not None:
node = alt_path_node
def path_to_node(path):
node = path_node_map.get(path)
if node is None:
- node = LinkageMap._LibGraphNode(linkmap._obj_key(path))
+ chost = self.settings.get('CHOST')
+ if chost.find('darwin') >= 0:
- node = LinkageMapMachO._LibGraphNode(path, root)
++ node = LinkageMapMachO._LibGraphNode(linkmap._obj_key(path))
+ elif chost.find('interix') >= 0 or chost.find('winnt') >= 0:
- node = LinkageMapPeCoff._LibGraphNode(path, root)
++ node = LinkageMapPeCoff._LibGraphNode(linkmap._obj_key(path))
+ elif chost.find('aix') >= 0:
- node = LinkageMapXCoff._LibGraphNode(path, root)
++ node = LinkageMapXCoff._LibGraphNode(linkmap._obj_key(path))
+ else:
- node = LinkageMap._LibGraphNode(path, root)
++ node = LinkageMap._LibGraphNode(linkmap._obj_key(path))
alt_path_node = lib_graph.get(node)
if alt_path_node is not None:
node = alt_path_node
--- /dev/null
- __slots__ = ("__weakref__", "_key")
+# Copyright 1998-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import errno
+import logging
+import subprocess
+
+import portage
+from portage import _encodings
+from portage import _os_merge
+from portage import _unicode_decode
+from portage import _unicode_encode
+from portage.cache.mappings import slot_dict_class
+from portage.exception import CommandNotFound
+from portage.localization import _
+from portage.util import getlibpaths
+from portage.util import grabfile
+from portage.util import normalize_path
+from portage.util import writemsg_level
+from portage.const import EPREFIX
+
+class LinkageMapMachO(object):
+
+ """Models dynamic linker dependencies."""
+
+ _needed_aux_key = "NEEDED.MACHO.3"
+ _installname_map_class = slot_dict_class(
+ ("consumers", "providers"), prefix="")
+
+ def __init__(self, vardbapi):
+ self._dbapi = vardbapi
+ self._root = self._dbapi.settings['ROOT']
+ self._libs = {}
+ self._obj_properties = {}
+ self._obj_key_cache = {}
+ self._path_key_cache = {}
+
+ def _clear_cache(self):
+ self._libs.clear()
+ self._obj_properties.clear()
+ self._obj_key_cache.clear()
+ self._path_key_cache.clear()
+
+ def _path_key(self, path):
+ key = self._path_key_cache.get(path)
+ if key is None:
+ key = self._ObjectKey(path, self._root)
+ self._path_key_cache[path] = key
+ return key
+
+ def _obj_key(self, path):
+ key = self._obj_key_cache.get(path)
+ if key is None:
+ key = self._ObjectKey(path, self._root)
+ self._obj_key_cache[path] = key
+ return key
+
+ class _ObjectKey(object):
+
+ """Helper class used as _obj_properties keys for objects."""
+
- def __init__(self, obj, root):
- LinkageMapMachO._ObjectKey.__init__(self, obj, root)
++ __slots__ = ("_key")
+
+ def __init__(self, obj, root):
+ """
+ This takes a path to an object.
+
+ @param object: path to a file
+ @type object: string (example: '/usr/bin/bar')
+
+ """
+ self._key = self._generate_object_key(obj, root)
+
+ def __hash__(self):
+ return hash(self._key)
+
+ def __eq__(self, other):
+ return self._key == other._key
+
+ def _generate_object_key(self, obj, root):
+ """
+ Generate object key for a given object.
+
+ @param object: path to a file
+ @type object: string (example: '/usr/bin/bar')
+ @rtype: 2-tuple of types (long, int) if object exists. string if
+ object does not exist.
+ @return:
+ 1. 2-tuple of object's inode and device from a stat call, if object
+ exists.
+ 2. realpath of object if object does not exist.
+
+ """
+
+ os = _os_merge
+
+ try:
+ _unicode_encode(obj,
+ encoding=_encodings['merge'], errors='strict')
+ except UnicodeEncodeError:
+ # The package appears to have been merged with a
+ # different value of sys.getfilesystemencoding(),
+ # so fall back to utf_8 if appropriate.
+ try:
+ _unicode_encode(obj,
+ encoding=_encodings['fs'], errors='strict')
+ except UnicodeEncodeError:
+ pass
+ else:
+ os = portage.os
+
+ abs_path = os.path.join(root, obj.lstrip(os.sep))
+ try:
+ object_stat = os.stat(abs_path)
+ except OSError:
+ # Use the realpath as the key if the file does not exists on the
+ # filesystem.
+ return os.path.realpath(abs_path)
+ # Return a tuple of the device and inode.
+ return (object_stat.st_dev, object_stat.st_ino)
+
+ def file_exists(self):
+ """
+ Determine if the file for this key exists on the filesystem.
+
+ @rtype: Boolean
+ @return:
+ 1. True if the file exists.
+ 2. False if the file does not exist or is a broken symlink.
+
+ """
+ return isinstance(self._key, tuple)
+
+ class _LibGraphNode(_ObjectKey):
+ __slots__ = ("alt_paths",)
+
++ def __init__(self, key):
++ """
++ Create a _LibGraphNode from an existing _ObjectKey.
++ This re-uses the _key attribute in order to avoid repeating
++ any previous stat calls, which helps to avoid potential race
++ conditions due to inconsistent stat results when the
++ file system is being modified concurrently.
++ """
++ self._key = key._key
+ self.alt_paths = set()
+
+ def __str__(self):
+ return str(sorted(self.alt_paths))
+
+ def rebuild(self, exclude_pkgs=None, include_file=None,
+ preserve_paths=None):
+ """
+ Raises CommandNotFound if there are preserved libs
+ and the scanmacho binary is not available.
+
+ @param exclude_pkgs: A set of packages that should be excluded from
+ the LinkageMap, since they are being unmerged and their NEEDED
+ entries are therefore irrelevant and would only serve to corrupt
+ the LinkageMap.
+ @type exclude_pkgs: set
+ @param include_file: The path of a file containing NEEDED entries for
+ a package which does not exist in the vardbapi yet because it is
+ currently being merged.
+ @type include_file: String
+ @param preserve_paths: Libraries preserved by a package instance that
+ is currently being merged. They need to be explicitly passed to the
+ LinkageMap, since they are not registered in the
+ PreservedLibsRegistry yet.
+ @type preserve_paths: set
+ """
+
+ os = _os_merge
+ root = self._root
+ root_len = len(root) - 1
+ self._clear_cache()
+ libs = self._libs
+ obj_properties = self._obj_properties
+
+ lines = []
+
+ # Data from include_file is processed first so that it
+ # overrides any data from previously installed files.
+ if include_file is not None:
+ for line in grabfile(include_file):
+ lines.append((include_file, line))
+
+ aux_keys = [self._needed_aux_key]
+ can_lock = os.access(os.path.dirname(self._dbapi._dbroot), os.W_OK)
+ if can_lock:
+ self._dbapi.lock()
+ try:
+ for cpv in self._dbapi.cpv_all():
+ if exclude_pkgs is not None and cpv in exclude_pkgs:
+ continue
+ needed_file = self._dbapi.getpath(cpv,
+ filename=self._needed_aux_key)
+ for line in self._dbapi.aux_get(cpv, aux_keys)[0].splitlines():
+ lines.append((needed_file, line))
+ finally:
+ if can_lock:
+ self._dbapi.unlock()
+
+ # have to call scanmacho for preserved libs here as they aren't
+ # registered in NEEDED.MACHO.3 files
+ plibs = set()
+ if preserve_paths is not None:
+ plibs.update(preserve_paths)
+ if self._dbapi._plib_registry and \
+ self._dbapi._plib_registry.hasEntries():
+ for cpv, items in \
+ self._dbapi._plib_registry.getPreservedLibs().items():
+ if exclude_pkgs is not None and cpv in exclude_pkgs:
+ # These preserved libs will either be unmerged,
+ # rendering them irrelevant, or they will be
+ # preserved in the replacement package and are
+ # already represented via the preserve_paths
+ # parameter.
+ continue
+ plibs.update(items)
+ if plibs:
+ args = [EPREFIX+"/usr/bin/scanmacho", "-qF", "%a;%F;%S;%n"]
+ args.extend(os.path.join(root, x.lstrip("." + os.sep)) \
+ for x in plibs)
+ try:
+ proc = subprocess.Popen(args, stdout=subprocess.PIPE)
+ except EnvironmentError as e:
+ if e.errno != errno.ENOENT:
+ raise
+ raise CommandNotFound(args[0])
+ else:
+ for l in proc.stdout:
+ try:
+ l = _unicode_decode(l,
+ encoding=_encodings['content'], errors='strict')
+ except UnicodeDecodeError:
+ l = _unicode_decode(l,
+ encoding=_encodings['content'], errors='replace')
+ writemsg_level(_("\nError decoding characters " \
+ "returned from scanmacho: %s\n\n") % (l,),
+ level=logging.ERROR, noiselevel=-1)
+ l = l[3:].rstrip("\n")
+ if not l:
+ continue
+ fields = l.split(";")
+ if len(fields) < 4:
+ writemsg_level("\nWrong number of fields " + \
+ "returned from scanmacho: %s\n\n" % (l,),
+ level=logging.ERROR, noiselevel=-1)
+ continue
+ fields[1] = fields[1][root_len:]
+ plibs.discard(fields[1])
+ lines.append(("scanmacho", ";".join(fields)))
+ proc.wait()
+
+ if plibs:
+ # Preserved libraries that did not appear in the scanmacho
+ # output. This is known to happen with statically linked
+ # libraries. Generate dummy lines for these, so we can
+ # assume that every preserved library has an entry in
+ # self._obj_properties. This is important in order to
+ # prevent findConsumers from raising an unwanted KeyError.
+ for x in plibs:
+ lines.append(("plibs", ";".join(['', x, '', '', ''])))
+
+ for location, l in lines:
+ l = l.rstrip("\n")
+ if not l:
+ continue
+ fields = l.split(";")
+ if len(fields) < 4:
+ writemsg_level("\nWrong number of fields " + \
+ "in %s: %s\n\n") % (location, l),
+ level=logging.ERROR, noiselevel=-1)
+ continue
+ arch = fields[0]
+ obj = fields[1]
+ install_name = os.path.normpath(fields[2])
+ needed = filter(None, fields[3].split(","))
+
+ obj_key = self._obj_key(obj)
+ indexed = True
+ myprops = obj_properties.get(obj_key)
+ if myprops is None:
+ indexed = False
+ myprops = (arch, needed, install_name, set())
+ obj_properties[obj_key] = myprops
+ # All object paths are added into the obj_properties tuple.
+ myprops[3].add(obj)
+
+ # Don't index the same file more that once since only one
+ # set of data can be correct and therefore mixing data
+ # may corrupt the index (include_file overrides previously
+ # installed).
+ if indexed:
+ continue
+
+ arch_map = libs.get(arch)
+ if arch_map is None:
+ arch_map = {}
+ libs[arch] = arch_map
+ if install_name:
+ installname_map = arch_map.get(install_name)
+ if installname_map is None:
+ installname_map = self._installname_map_class(
+ providers=set(), consumers=set())
+ arch_map[install_name] = installname_map
+ installname_map.providers.add(obj_key)
+ for needed_installname in needed:
+ installname_map = arch_map.get(needed_installname)
+ if installname_map is None:
+ installname_map = self._installname_map_class(
+ providers=set(), consumers=set())
+ arch_map[needed_installname] = installname_map
+ installname_map.consumers.add(obj_key)
+
+ def listBrokenBinaries(self, debug=False):
+ """
+ Find binaries and their needed install_names, which have no providers.
+
+ @param debug: Boolean to enable debug output
+ @type debug: Boolean
+ @rtype: dict (example: {'/usr/bin/foo': set(['/usr/lib/libbar.dylib'])})
+ @return: The return value is an object -> set-of-install_names
+ mapping, where object is a broken binary and the set
+ consists of install_names needed by object that have no
+ corresponding libraries to fulfill the dependency.
+
+ """
+
+ os = _os_merge
+
+ class _LibraryCache(object):
+
+ """
+ Caches properties associated with paths.
+
+ The purpose of this class is to prevent multiple instances of
+ _ObjectKey for the same paths.
+
+ """
+
+ def __init__(cache_self):
+ cache_self.cache = {}
+
+ def get(cache_self, obj):
+ """
+ Caches and returns properties associated with an object.
+
+ @param obj: absolute path (can be symlink)
+ @type obj: string (example: '/usr/lib/libfoo.dylib')
+ @rtype: 4-tuple with types
+ (string or None, string or None, 2-tuple, Boolean)
+ @return: 4-tuple with the following components:
+ 1. arch as a string or None if it does not exist,
+ 2. soname as a string or None if it does not exist,
+ 3. obj_key as 2-tuple,
+ 4. Boolean representing whether the object exists.
+ (example: ('libfoo.1.dylib', (123L, 456L), True))
+
+ """
+ if obj in cache_self.cache:
+ return cache_self.cache[obj]
+ else:
+ obj_key = self._obj_key(obj)
+ # Check that the library exists on the filesystem.
+ if obj_key.file_exists():
+ # Get the install_name from LinkageMapMachO._obj_properties if
+ # it exists. Otherwise, None.
+ arch = self._obj_properties.get(obj_key, (None,)*4)[0]
+ install_name = self._obj_properties.get(obj_key, (None,)*4)[2]
+ return cache_self.cache.setdefault(obj, \
+ (arch, install_name, obj_key, True))
+ else:
+ return cache_self.cache.setdefault(obj, \
+ (None, None, obj_key, False))
+
+ rValue = {}
+ cache = _LibraryCache()
+ providers = self.listProviders()
+
+ # Iterate over all obj_keys and their providers.
+ for obj_key, install_names in providers.items():
+ arch = self._obj_properties[obj_key][0]
+ objs = self._obj_properties[obj_key][3]
+ # Iterate over each needed install_name and the set of
+ # library paths that fulfill the install_name to determine
+ # if the dependency is broken.
+ for install_name, libraries in install_names.items():
+ # validLibraries is used to store libraries, which
+ # satisfy install_name, so if no valid libraries are
+ # found, the install_name is not satisfied for obj_key.
+ # If unsatisfied, objects associated with obj_key must
+ # be emerged.
+ validLibrary = set() # for compat with LinkageMap
+ cachedArch, cachedInstallname, cachedKey, cachedExists = \
+ cache.get(install_name)
+ # Check that the this library provides the needed soname. Doing
+ # this, however, will cause consumers of libraries missing
+ # sonames to be unnecessarily emerged. (eg libmix.so)
+ if cachedInstallname == install_name and cachedArch == arch:
+ validLibrary.add(cachedKey)
+ if debug and cachedKey not in \
+ set(map(self._obj_key_cache.get, libraries)):
+ # XXX This is most often due to soname symlinks not in
+ # a library's directory. We could catalog symlinks in
+ # LinkageMap to avoid checking for this edge case here.
+ print(_("Found provider outside of findProviders:"), \
+ install_name, "->", cachedRealpath)
+ if debug and cachedArch == arch and \
+ cachedKey in self._obj_properties:
+ print(_("Broken symlink or missing/bad install_name:"), \
+ install_name, '->', cachedRealpath, \
+ "with install_name", cachedInstallname, "but expecting", install_name)
+ # This conditional checks if there are no libraries to
+ # satisfy the install_name (empty set).
+ if not validLibrary:
+ for obj in objs:
+ rValue.setdefault(obj, set()).add(install_name)
+ # If no valid libraries have been found by this
+ # point, then the install_name does not exist in the
+ # filesystem, but if there are libraries (from the
+ # providers mapping), it is likely that soname
+ # symlinks or the actual libraries are missing or
+ # broken. Thus those libraries are added to rValue
+ # in order to emerge corrupt library packages.
+ for lib in libraries:
+ rValue.setdefault(lib, set()).add(install_name)
+ if debug:
+ if not os.path.isfile(lib):
+ writemsg_level(_("Missing library:") + " %s\n" % (lib,),
+ level=logging.DEBUG,
+ noiselevel=-1)
+ else:
+ writemsg_level(_("Possibly missing symlink:") + \
+ "%s\n" % (os.path.join(os.path.dirname(lib), soname)),
+ level=logging.DEBUG,
+ noiselevel=-1)
+ return rValue
+
+ def listProviders(self):
+ """
+ Find the providers for all object keys in LinkageMap.
+
+ @rtype: dict (example:
+ {(123L, 456L): {'libbar.dylib': set(['/lib/libbar.1.5.dylib'])}})
+ @return: The return value is an object -> providers mapping, where
+ providers is a mapping of install_name ->
+ set-of-library-paths returned from the findProviders method.
+
+ """
+ rValue = {}
+ if not self._libs:
+ self.rebuild()
+ # Iterate over all object keys within LinkageMapMachO.
+ for obj_key in self._obj_properties:
+ rValue.setdefault(obj_key, self.findProviders(obj_key))
+ return rValue
+
+ def isMasterLink(self, obj):
+ """
+ Determine whether an object is a master link.
+
+ @param obj: absolute path to an object
+ @type obj: string (example: '/usr/bin/foo')
+ @rtype: Boolean
+ @return:
+ 1. True if obj is a master link
+ 2. False if obj is not a master link
+
+ """
+ os = _os_merge
+ basename = os.path.basename(obj)
+ obj_key = self._obj_key(obj)
+ if obj_key not in self._obj_properties:
+ raise KeyError("%s (%s) not in object list" % (obj_key, obj))
+ install_name = self._obj_properties[obj_key][2]
+ return (len(basename) < len(os.path.basename(install_name)))
+
+ def listLibraryObjects(self):
+ """
+ Return a list of library objects.
+
+ Known limitation: library objects lacking an soname are not included.
+
+ @rtype: list of strings
+ @return: list of paths to all providers
+
+ """
+ rValue = []
+ if not self._libs:
+ self.rebuild()
+ for arch_map in self._libs.itervalues():
+ for soname_map in arch_map.itervalues():
+ for obj_key in soname_map.providers:
+ rValue.extend(self._obj_properties[obj_key][3])
+ return rValue
+
+ def getSoname(self, obj):
+ """
+ Return the soname associated with an object.
+
+ @param obj: absolute path to an object
+ @type obj: string (example: '/usr/bin/bar')
+ @rtype: string
+ @return: soname as a string
+
+ """
+ if not self._libs:
+ self.rebuild()
+ if isinstance(obj, self._ObjectKey):
+ obj_key = obj
+ if obj_key not in self._obj_properties:
+ raise KeyError("%s not in object list" % obj_key)
+ return self._obj_properties[obj_key][2]
+ if obj not in self._obj_key_cache:
+ raise KeyError("%s not in object list" % obj)
+ return self._obj_properties[self._obj_key_cache[obj]][2]
+
+ def findProviders(self, obj):
+ """
+ Find providers for an object or object key.
+
+ This method may be called with a key from _obj_properties.
+
+ In some cases, not all valid libraries are returned. This may occur when
+ an soname symlink referencing a library is in an object's runpath while
+ the actual library is not. We should consider cataloging symlinks within
+ LinkageMap as this would avoid those cases and would be a better model of
+ library dependencies (since the dynamic linker actually searches for
+ files named with the soname in the runpaths).
+
+ @param obj: absolute path to an object or a key from _obj_properties
+ @type obj: string (example: '/usr/bin/bar') or _ObjectKey
+ @rtype: dict (example: {'libbar.dylib': set(['/lib/libbar.1.5.dylib'])})
+ @return: The return value is a install_name -> set-of-library-paths, where
+ set-of-library-paths satisfy install_name.
+
+ """
+
+ os = _os_merge
+
+ rValue = {}
+
+ if not self._libs:
+ self.rebuild()
+
+ # Determine the obj_key from the arguments.
+ if isinstance(obj, self._ObjectKey):
+ obj_key = obj
+ if obj_key not in self._obj_properties:
+ raise KeyError("%s not in object list" % obj_key)
+ else:
+ obj_key = self._obj_key(obj)
+ if obj_key not in self._obj_properties:
+ raise KeyError("%s (%s) not in object list" % (obj_key, obj))
+
+ arch, needed, install_name, _ = self._obj_properties[obj_key]
+ for install_name in needed:
+ rValue[install_name] = set()
+ if arch not in self._libs or install_name not in self._libs[arch]:
+ continue
+ # For each potential provider of the install_name, add it to
+ # rValue if it exists. (Should be one)
+ for provider_key in self._libs[arch][install_name].providers:
+ providers = self._obj_properties[provider_key][3]
+ for provider in providers:
+ if os.path.exists(provider):
+ rValue[install_name].add(provider)
+ return rValue
+
+ def findConsumers(self, obj):
+ """
+ Find consumers of an object or object key.
+
+ This method may be called with a key from _obj_properties. If this
+ method is going to be called with an object key, to avoid not catching
+ shadowed libraries, do not pass new _ObjectKey instances to this method.
+ Instead pass the obj as a string.
+
+ In some cases, not all consumers are returned. This may occur when
+ an soname symlink referencing a library is in an object's runpath while
+ the actual library is not. For example, this problem is noticeable for
+ binutils since it's libraries are added to the path via symlinks that
+ are gemerated in the /usr/$CHOST/lib/ directory by binutils-config.
+ Failure to recognize consumers of these symlinks makes preserve-libs
+ fail to preserve binutils libs that are needed by these unrecognized
+ consumers.
+
+ Note that library consumption via dlopen (common for kde plugins) is
+ currently undetected. However, it is possible to use the
+ corresponding libtool archive (*.la) files to detect such consumers
+ (revdep-rebuild is able to detect them).
+
+ @param obj: absolute path to an object or a key from _obj_properties
+ @type obj: string (example: '/usr/bin/bar') or _ObjectKey
+ @rtype: set of strings (example: set(['/bin/foo', '/usr/bin/bar']))
+ @return: The return value is a install_name -> set-of-library-paths, where
+ set-of-library-paths satisfy install_name.
+
+ """
+
+ os = _os_merge
+
+ rValue = set()
+
+ if not self._libs:
+ self.rebuild()
+
+ # Determine the obj_key and the set of objects matching the arguments.
+ if isinstance(obj, self._ObjectKey):
+ obj_key = obj
+ if obj_key not in self._obj_properties:
+ raise KeyError("%s not in object list" % obj_key)
+ objs = self._obj_properties[obj_key][3]
+ else:
+ objs = set([obj])
+ obj_key = self._obj_key(obj)
+ if obj_key not in self._obj_properties:
+ raise KeyError("%s (%s) not in object list" % (obj_key, obj))
+
+ # If there is another version of this lib with the
+ # same soname and the master link points to that
+ # other version, this lib will be shadowed and won't
+ # have any consumers.
+ if not isinstance(obj, self._ObjectKey):
+ install_name = self._obj_properties[obj_key][2]
+ master_link = os.path.join(self._root,
+ install_name.lstrip(os.path.sep))
+ try:
+ master_st = os.stat(master_link)
+ obj_st = os.stat(obj)
+ except OSError:
+ pass
+ else:
+ if (obj_st.st_dev, obj_st.st_ino) != \
+ (master_st.st_dev, master_st.st_ino):
+ return set()
+
+ arch = self._obj_properties[obj_key][0]
+ install_name = self._obj_properties[obj_key][2]
+ if arch in self._libs and install_name in self._libs[arch]:
+ # For each potential consumer, add it to rValue if an object from the
+ # arguments resides in the consumer's runpath.
+ for consumer_key in self._libs[arch][install_name].consumers:
+ consumer_objs = self._obj_properties[consumer_key][3]
+ rValue.update(consumer_objs)
+ return rValue
--- /dev/null
- def __init__(self, obj, root):
- LinkageMapPeCoff._ObjectKey.__init__(self, obj, root)
+# Copyright 1998-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import errno
+import logging
+import subprocess
+
+import portage
+from portage import _encodings
+from portage import _os_merge
+from portage import _unicode_decode
+from portage import _unicode_encode
+from portage.cache.mappings import slot_dict_class
+from portage.exception import CommandNotFound
+from portage.localization import _
+from portage.util import getlibpaths
+from portage.util import grabfile
+from portage.util import normalize_path
+from portage.util import writemsg_level
+from portage.const import EPREFIX
+from portage.util._dyn_libs.LinkageMapELF import LinkageMapELF
+
+class LinkageMapPeCoff(LinkageMapELF):
+
+ """Models dynamic linker dependencies."""
+
+ # NEEDED.PECOFF.1 has effectively the _same_ format as NEEDED.ELF.2,
+ # but we keep up the relation "scanelf" -> "NEEDED.ELF", "readpecoff" ->
+ # "NEEDED.PECOFF", "scanmacho" -> "NEEDED.MACHO", etc. others will follow.
+ _needed_aux_key = "NEEDED.PECOFF.1"
+
+ class _ObjectKey(LinkageMapELF._ObjectKey):
+
+ """Helper class used as _obj_properties keys for objects."""
+
+ def _generate_object_key(self, obj, root):
+ """
+ Generate object key for a given object. This is different from the
+ Linux implementation, since some systems (e.g. interix) don't have
+ "inodes", thus the inode field is always zero, or a random value,
+ making it inappropriate for identifying a file... :)
+
+ @param object: path to a file
+ @type object: string (example: '/usr/bin/bar')
+ @rtype: 2-tuple of types (bool, string)
+ @return:
+ 2-tuple of boolean indicating existance, and absolut path
+ """
+
+ os = _os_merge
+
+ try:
+ _unicode_encode(obj,
+ encoding=_encodings['merge'], errors='strict')
+ except UnicodeEncodeError:
+ # The package appears to have been merged with a
+ # different value of sys.getfilesystemencoding(),
+ # so fall back to utf_8 if appropriate.
+ try:
+ _unicode_encode(obj,
+ encoding=_encodings['fs'], errors='strict')
+ except UnicodeEncodeError:
+ pass
+ else:
+ os = portage.os
+
+ abs_path = os.path.join(root, obj.lstrip(os.sep))
+ try:
+ object_stat = os.stat(abs_path)
+ except OSError:
+ return (False, os.path.realpath(abs_path))
+ # On Interix, the inode field may always be zero, since the
+ # filesystem (NTFS) has no inodes ...
+ return (True, os.path.realpath(abs_path))
+
+ def file_exists(self):
+ """
+ Determine if the file for this key exists on the filesystem.
+
+ @rtype: Boolean
+ @return:
+ 1. True if the file exists.
+ 2. False if the file does not exist or is a broken symlink.
+
+ """
+ return self._key[0]
+
+ class _LibGraphNode(_ObjectKey):
+ __slots__ = ("alt_paths",)
+
++ def __init__(self, key):
++ """
++ Create a _LibGraphNode from an existing _ObjectKey.
++ This re-uses the _key attribute in order to avoid repeating
++ any previous stat calls, which helps to avoid potential race
++ conditions due to inconsistent stat results when the
++ file system is being modified concurrently.
++ """
++ self._key = key._key
+ self.alt_paths = set()
+
+ def __str__(self):
+ return str(sorted(self.alt_paths))
+
+ def rebuild(self, exclude_pkgs=None, include_file=None,
+ preserve_paths=None):
+ """
+ Raises CommandNotFound if there are preserved libs
+ and the readpecoff binary is not available.
+
+ @param exclude_pkgs: A set of packages that should be excluded from
+ the LinkageMap, since they are being unmerged and their NEEDED
+ entries are therefore irrelevant and would only serve to corrupt
+ the LinkageMap.
+ @type exclude_pkgs: set
+ @param include_file: The path of a file containing NEEDED entries for
+ a package which does not exist in the vardbapi yet because it is
+ currently being merged.
+ @type include_file: String
+ @param preserve_paths: Libraries preserved by a package instance that
+ is currently being merged. They need to be explicitly passed to the
+ LinkageMap, since they are not registered in the
+ PreservedLibsRegistry yet.
+ @type preserve_paths: set
+ """
+
+ os = _os_merge
+ root = self._root
+ root_len = len(root) - 1
+ self._clear_cache()
+ self._defpath.update(getlibpaths(self._root))
+ libs = self._libs
+ obj_properties = self._obj_properties
+
+ lines = []
+
+ # Data from include_file is processed first so that it
+ # overrides any data from previously installed files.
+ if include_file is not None:
+ for line in grabfile(include_file):
+ lines.append((include_file, line))
+
+ aux_keys = [self._needed_aux_key]
+ can_lock = os.access(os.path.dirname(self._dbapi._dbroot), os.W_OK)
+ if can_lock:
+ self._dbapi.lock()
+ try:
+ for cpv in self._dbapi.cpv_all():
+ if exclude_pkgs is not None and cpv in exclude_pkgs:
+ continue
+ needed_file = self._dbapi.getpath(cpv,
+ filename=self._needed_aux_key)
+ for line in self._dbapi.aux_get(cpv, aux_keys)[0].splitlines():
+ lines.append((needed_file, line))
+ finally:
+ if can_lock:
+ self._dbapi.unlock()
+
+ # have to call readpecoff for preserved libs here as they aren't
+ # registered in NEEDED.PECOFF.1 files
+ plibs = set()
+ if preserve_paths is not None:
+ plibs.update(preserve_paths)
+ if self._dbapi._plib_registry and \
+ self._dbapi._plib_registry.hasEntries():
+ for cpv, items in \
+ self._dbapi._plib_registry.getPreservedLibs().items():
+ if exclude_pkgs is not None and cpv in exclude_pkgs:
+ # These preserved libs will either be unmerged,
+ # rendering them irrelevant, or they will be
+ # preserved in the replacement package and are
+ # already represented via the preserve_paths
+ # parameter.
+ continue
+ plibs.update(items)
+ if plibs:
+ args = ["readpecoff", self._dbapi.settings.get('CHOST')]
+ args.extend(os.path.join(root, x.lstrip("." + os.sep)) \
+ for x in plibs)
+ try:
+ proc = subprocess.Popen(args, stdout=subprocess.PIPE)
+ except EnvironmentError as e:
+ if e.errno != errno.ENOENT:
+ raise
+ raise CommandNotFound(args[0])
+ else:
+ for l in proc.stdout:
+ try:
+ l = _unicode_decode(l,
+ encoding=_encodings['content'], errors='strict')
+ except UnicodeDecodeError:
+ l = _unicode_decode(l,
+ encoding=_encodings['content'], errors='replace')
+ writemsg_level(_("\nError decoding characters " \
+ "returned from readpecoff: %s\n\n") % (l,),
+ level=logging.ERROR, noiselevel=-1)
+ l = l[3:].rstrip("\n")
+ if not l:
+ continue
+ fields = l.split(";")
+ if len(fields) < 5:
+ writemsg_level(_("\nWrong number of fields " \
+ "returned from readpecoff: %s\n\n") % (l,),
+ level=logging.ERROR, noiselevel=-1)
+ continue
+ fields[1] = fields[1][root_len:]
+ plibs.discard(fields[1])
+ lines.append(("readpecoff", ";".join(fields)))
+ proc.wait()
+
+ if plibs:
+ # Preserved libraries that did not appear in the scanelf output.
+ # This is known to happen with statically linked libraries.
+ # Generate dummy lines for these, so we can assume that every
+ # preserved library has an entry in self._obj_properties. This
+ # is important in order to prevent findConsumers from raising
+ # an unwanted KeyError.
+ for x in plibs:
+ lines.append(("plibs", ";".join(['', x, '', '', ''])))
+
+ for location, l in lines:
+ l = l.rstrip("\n")
+ if not l:
+ continue
+ fields = l.split(";")
+ if len(fields) < 5:
+ writemsg_level(_("\nWrong number of fields " \
+ "in %s: %s\n\n") % (location, l),
+ level=logging.ERROR, noiselevel=-1)
+ continue
+ arch = fields[0]
+ obj = fields[1]
+ soname = fields[2]
+ path = set([normalize_path(x) \
+ for x in filter(None, fields[3].replace(
+ "${ORIGIN}", os.path.dirname(obj)).replace(
+ "$ORIGIN", os.path.dirname(obj)).split(":"))])
+ needed = [x for x in fields[4].split(",") if x]
+
+ obj_key = self._obj_key(obj)
+ indexed = True
+ myprops = obj_properties.get(obj_key)
+ if myprops is None:
+ indexed = False
+ myprops = (arch, needed, path, soname, set())
+ obj_properties[obj_key] = myprops
+ # All object paths are added into the obj_properties tuple.
+ myprops[4].add(obj)
+
+ # Don't index the same file more that once since only one
+ # set of data can be correct and therefore mixing data
+ # may corrupt the index (include_file overrides previously
+ # installed).
+ if indexed:
+ continue
+
+ arch_map = libs.get(arch)
+ if arch_map is None:
+ arch_map = {}
+ libs[arch] = arch_map
+ if soname:
+ soname_map = arch_map.get(soname)
+ if soname_map is None:
+ soname_map = self._soname_map_class(
+ providers=set(), consumers=set())
+ arch_map[soname] = soname_map
+ soname_map.providers.add(obj_key)
+ for needed_soname in needed:
+ soname_map = arch_map.get(needed_soname)
+ if soname_map is None:
+ soname_map = self._soname_map_class(
+ providers=set(), consumers=set())
+ arch_map[needed_soname] = soname_map
+ soname_map.consumers.add(obj_key)
--- /dev/null
- def __init__(self, obj, root):
- LinkageMapXCoff._ObjectKey.__init__(self, obj, root)
+# Copyright 1998-2011 Gentoo Foundation
+# Distributed under the terms of the GNU General Public License v2
+
+import errno
+import logging
+import subprocess
+
+import portage
+from portage import _encodings
+from portage import _os_merge
+from portage import _unicode_decode
+from portage import _unicode_encode
+from portage.cache.mappings import slot_dict_class
+from portage.exception import CommandNotFound
+from portage.localization import _
+from portage.util import getlibpaths
+from portage.util import grabfile
+from portage.util import normalize_path
+from portage.util import writemsg_level
+from portage.const import EPREFIX, BASH_BINARY
+from portage.util._dyn_libs.LinkageMapELF import LinkageMapELF
+
+class LinkageMapXCoff(LinkageMapELF):
+
+ """Models dynamic linker dependencies."""
+
+ _needed_aux_key = "NEEDED.XCOFF.1"
+
+ class _ObjectKey(LinkageMapELF._ObjectKey):
+
+ def __init__(self, obj, root):
+ LinkageMapELF._ObjectKey.__init__(self, obj, root)
+
+ def _generate_object_key(self, obj, root):
+ """
+ Generate object key for a given object.
+
+ @param object: path to a file
+ @type object: string (example: '/usr/bin/bar')
+ @rtype: 2-tuple of types (long, int) if object exists. string if
+ object does not exist.
+ @return:
+ 1. 2-tuple of object's inode and device from a stat call, if object
+ exists.
+ 2. realpath of object if object does not exist.
+
+ """
+
+ os = _os_merge
+
+ try:
+ _unicode_encode(obj,
+ encoding=_encodings['merge'], errors='strict')
+ except UnicodeEncodeError:
+ # The package appears to have been merged with a
+ # different value of sys.getfilesystemencoding(),
+ # so fall back to utf_8 if appropriate.
+ try:
+ _unicode_encode(obj,
+ encoding=_encodings['fs'], errors='strict')
+ except UnicodeEncodeError:
+ pass
+ else:
+ os = portage.os
+
+ abs_path = os.path.join(root, obj.lstrip(os.sep))
+ try:
+ object_stat = os.stat(abs_path)
+ except OSError:
+ # Use the realpath as the key if the file does not exists on the
+ # filesystem.
+ return os.path.realpath(abs_path)
+ # Return a tuple of the device and inode, as well as the basename,
+ # because of hardlinks the device and inode might be identical.
+ return (object_stat.st_dev, object_stat.st_ino, os.path.basename(abs_path.rstrip(os.sep)))
+
+ def file_exists(self):
+ """
+ Determine if the file for this key exists on the filesystem.
+
+ @rtype: Boolean
+ @return:
+ 1. True if the file exists.
+ 2. False if the file does not exist or is a broken symlink.
+
+ """
+ return isinstance(self._key, tuple)
+
+ class _LibGraphNode(_ObjectKey):
+ __slots__ = ("alt_paths",)
+
++ def __init__(self, key):
++ """
++ Create a _LibGraphNode from an existing _ObjectKey.
++ This re-uses the _key attribute in order to avoid repeating
++ any previous stat calls, which helps to avoid potential race
++ conditions due to inconsistent stat results when the
++ file system is being modified concurrently.
++ """
++ self._key = key._key
+ self.alt_paths = set()
+
+ def __str__(self):
+ return str(sorted(self.alt_paths))
+
+ def rebuild(self, exclude_pkgs=None, include_file=None,
+ preserve_paths=None):
+ """
+ Raises CommandNotFound if there are preserved libs
+ and the scanelf binary is not available.
+
+ @param exclude_pkgs: A set of packages that should be excluded from
+ the LinkageMap, since they are being unmerged and their NEEDED
+ entries are therefore irrelevant and would only serve to corrupt
+ the LinkageMap.
+ @type exclude_pkgs: set
+ @param include_file: The path of a file containing NEEDED entries for
+ a package which does not exist in the vardbapi yet because it is
+ currently being merged.
+ @type include_file: String
+ @param preserve_paths: Libraries preserved by a package instance that
+ is currently being merged. They need to be explicitly passed to the
+ LinkageMap, since they are not registered in the
+ PreservedLibsRegistry yet.
+ @type preserve_paths: set
+ """
+
+ os = _os_merge
+ root = self._root
+ root_len = len(root) - 1
+ self._clear_cache()
+ self._defpath.update(getlibpaths(self._root))
+ libs = self._libs
+ obj_properties = self._obj_properties
+
+ lines = []
+
+ # Data from include_file is processed first so that it
+ # overrides any data from previously installed files.
+ if include_file is not None:
+ for line in grabfile(include_file):
+ lines.append((include_file, line))
+
+ aux_keys = [self._needed_aux_key]
+ can_lock = os.access(os.path.dirname(self._dbapi._dbroot), os.W_OK)
+ if can_lock:
+ self._dbapi.lock()
+ try:
+ for cpv in self._dbapi.cpv_all():
+ if exclude_pkgs is not None and cpv in exclude_pkgs:
+ continue
+ needed_file = self._dbapi.getpath(cpv,
+ filename=self._needed_aux_key)
+ for line in self._dbapi.aux_get(cpv, aux_keys)[0].splitlines():
+ lines.append((needed_file, line))
+ finally:
+ if can_lock:
+ self._dbapi.unlock()
+
+ # have to call scanelf for preserved libs here as they aren't
+ # registered in NEEDED.XCOFF.1 files
+ plibs = set()
+ if preserve_paths is not None:
+ plibs.update(preserve_paths)
+ if self._dbapi._plib_registry and \
+ self._dbapi._plib_registry.hasEntries():
+ for cpv, items in \
+ self._dbapi._plib_registry.getPreservedLibs().items():
+ if exclude_pkgs is not None and cpv in exclude_pkgs:
+ # These preserved libs will either be unmerged,
+ # rendering them irrelevant, or they will be
+ # preserved in the replacement package and are
+ # already represented via the preserve_paths
+ # parameter.
+ continue
+ plibs.update(items)
+ if plibs:
+ for x in plibs:
+ args = [BASH_BINARY, "-c", ':'
+ + '; member="' + x + '"'
+ + '; archive=${member}'
+ + '; if [[ ${member##*/} == .*"["*"]" ]]'
+ + '; then member=${member%/.*}/${member##*/.}'
+ + '; archive=${member%[*}'
+ + '; fi'
+ + '; member=${member#${archive}}'
+ + '; [[ -r ${archive} ]] || chmod a+r "${archive}"'
+ + '; eval $(aixdll-query "${archive}${member}" FILE MEMBER FLAGS FORMAT RUNPATH DEPLIBS)'
+ + '; [[ -n ${member} ]] && needed=${FILE##*/} || needed='
+ + '; for deplib in ${DEPLIBS}'
+ + '; do eval deplib=${deplib}'
+ + '; if [[ ${deplib} != "." && ${deplib} != ".." ]]'
+ + '; then needed="${needed}${needed:+,}${deplib}"'
+ + '; fi'
+ + '; done'
+ + '; [[ -n ${MEMBER} ]] && MEMBER="[${MEMBER}]"'
+ + '; [[ " ${FLAGS} " == *" SHROBJ "* ]] && soname=${FILE##*/}${MEMBER} || soname='
+ + '; echo "${FORMAT##* }${FORMAT%%-*};${FILE#${ROOT%/}}${MEMBER};${soname};${RUNPATH};${needed}"'
+ + '; [[ -z ${member} && -n ${MEMBER} ]] && echo "${FORMAT##* }${FORMAT%%-*};${FILE#${ROOT%/}};${FILE##*/};;"'
+ ]
+ try:
+ proc = subprocess.Popen(args, stdout=subprocess.PIPE)
+ except EnvironmentError as e:
+ if e.errno != errno.ENOENT:
+ raise
+ raise CommandNotFound(args[0])
+ else:
+ for l in proc.stdout:
+ try:
+ l = _unicode_decode(l,
+ encoding=_encodings['content'], errors='strict')
+ except UnicodeDecodeError:
+ l = _unicode_decode(l,
+ encoding=_encodings['content'], errors='replace')
+ writemsg_level(_("\nError decoding characters " \
+ "returned from aixdll-query: %s\n\n") % (l,),
+ level=logging.ERROR, noiselevel=-1)
+ l = l.rstrip("\n")
+ if not l:
+ continue
+ fields = l.split(";")
+ if len(fields) < 5:
+ writemsg_level(_("\nWrong number of fields " \
+ "returned from aixdll-query: %s\n\n") % (l,),
+ level=logging.ERROR, noiselevel=-1)
+ continue
+ fields[1] = fields[1][root_len:]
+ plibs.discard(fields[1])
+ lines.append(("aixdll-query", ";".join(fields)))
+ proc.wait()
+
+ if plibs:
+ # Preserved libraries that did not appear in the bash
+ # aixdll-query code output. This is known to happen with
+ # statically linked libraries. Generate dummy lines for
+ # these, so we can assume that every preserved library has
+ # an entry in self._obj_properties. This is important in
+ # order to prevent findConsumers from raising an unwanted
+ # KeyError.
+ for x in plibs:
+ lines.append(("plibs", ";".join(['', x, '', '', ''])))
+
+ for location, l in lines:
+ l = l.rstrip("\n")
+ if not l:
+ continue
+ fields = l.split(";")
+ if len(fields) < 5:
+ writemsg_level(_("\nWrong number of fields " \
+ "in %s: %s\n\n") % (location, l),
+ level=logging.ERROR, noiselevel=-1)
+ continue
+ arch = fields[0]
+
+ def as_contentmember(obj):
+ if obj.endswith("]"):
+ if obj.find("/") >= 0:
+ return obj[:obj.rfind("/")] + "/." + obj[obj.rfind("/")+1:]
+ return "." + obj
+ return obj
+
+ obj = as_contentmember(fields[1])
+ soname = as_contentmember(fields[2])
+ path = set([normalize_path(x) \
+ for x in filter(None, fields[3].replace(
+ "${ORIGIN}", os.path.dirname(obj)).replace(
+ "$ORIGIN", os.path.dirname(obj)).split(":"))])
+ needed = [as_contentmember(x) for x in fields[4].split(",") if x]
+
+ obj_key = self._obj_key(obj)
+ indexed = True
+ myprops = obj_properties.get(obj_key)
+ if myprops is None:
+ indexed = False
+ myprops = (arch, needed, path, soname, set())
+ obj_properties[obj_key] = myprops
+ # All object paths are added into the obj_properties tuple.
+ myprops[4].add(obj)
+
+ # Don't index the same file more that once since only one
+ # set of data can be correct and therefore mixing data
+ # may corrupt the index (include_file overrides previously
+ # installed).
+ if indexed:
+ continue
+
+ arch_map = libs.get(arch)
+ if arch_map is None:
+ arch_map = {}
+ libs[arch] = arch_map
+ if soname:
+ soname_map = arch_map.get(soname)
+ if soname_map is None:
+ soname_map = self._soname_map_class(
+ providers=set(), consumers=set())
+ arch_map[soname] = soname_map
+ soname_map.providers.add(obj_key)
+ for needed_soname in needed:
+ soname_map = arch_map.get(needed_soname)
+ if soname_map is None:
+ soname_map = self._soname_map_class(
+ providers=set(), consumers=set())
+ arch_map[needed_soname] = soname_map
+ soname_map.consumers.add(obj_key)
+
+ def getSoname(self, obj):
+ """
+ Return the soname associated with an object.
+
+ @param obj: absolute path to an object
+ @type obj: string (example: '/usr/bin/bar')
+ @rtype: string
+ @return: soname as a string
+
+ """
+ if not self._libs:
+ self.rebuild()
+ if isinstance(obj, self._ObjectKey):
+ obj_key = obj
+ if obj_key not in self._obj_properties:
+ raise KeyError("%s not in object list" % obj_key)
+ return self._obj_properties[obj_key][3]
+ if obj not in self._obj_key_cache:
+ raise KeyError("%s not in object list" % obj)
+ return self._obj_properties[self._obj_key_cache[obj]][3]
+
projects / portage.git / commitdiff