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#!/usr/bin/python -tt
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Library General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
# Copyright 2004 Duke University
# Written by Seth Vidal <skvidal at phy.duke.edu>
"""
Classes and functions dealing with rpm package representations.
"""
import rpm
import os
import os.path
import misc
import i18n
import re
import fnmatch
import stat
import warnings
from subprocess import Popen, PIPE
from rpmUtils import RpmUtilsError
import rpmUtils.miscutils
from rpmUtils.miscutils import flagToString, stringToVersion
import Errors
import errno
import struct
from constants import *
import urllib
import urlparse
urlparse.uses_fragment.append("media")
from urlgrabber.grabber import URLGrabber, URLGrabError
try:
import xattr
if not hasattr(xattr, 'get'):
xattr = None # This is a "newer" API.
except ImportError:
xattr = None
# For verify
import pwd
import grp
def comparePoEVR(po1, po2):
"""
Compare two Package or PackageEVR objects.
"""
(e1, v1, r1) = (po1.epoch, po1.version, po1.release)
(e2, v2, r2) = (po2.epoch, po2.version, po2.release)
return rpmUtils.miscutils.compareEVR((e1, v1, r1), (e2, v2, r2))
def comparePoEVREQ(po1, po2):
"""
Compare two Package or PackageEVR objects for equality.
"""
(e1, v1, r1) = (po1.epoch, po1.version, po1.release)
(e2, v2, r2) = (po2.epoch, po2.version, po2.release)
if r1 != r2: return False
if v1 != v2: return False
if e1 != e2: return False
return True
def buildPkgRefDict(pkgs, casematch=True):
"""take a list of pkg objects and return a dict the contains all the possible
naming conventions for them eg: for (name,i386,0,1,1)
dict[name] = (name, i386, 0, 1, 1)
dict[name.i386] = (name, i386, 0, 1, 1)
dict[name-1-1.i386] = (name, i386, 0, 1, 1)
dict[name-1] = (name, i386, 0, 1, 1)
dict[name-1-1] = (name, i386, 0, 1, 1)
dict[0:name-1-1.i386] = (name, i386, 0, 1, 1)
dict[name-0:1-1.i386] = (name, i386, 0, 1, 1)
"""
pkgdict = {}
for pkg in pkgs:
(n, a, e, v, r) = pkg.pkgtup
if not casematch:
n = n.lower()
a = a.lower()
e = e.lower()
v = v.lower()
r = r.lower()
name = n
nameArch = '%s.%s' % (n, a)
nameVerRelArch = '%s-%s-%s.%s' % (n, v, r, a)
nameVer = '%s-%s' % (n, v)
nameVerRel = '%s-%s-%s' % (n, v, r)
envra = '%s:%s-%s-%s.%s' % (e, n, v, r, a)
nevra = '%s-%s:%s-%s.%s' % (n, e, v, r, a)
for item in [name, nameArch, nameVerRelArch, nameVer, nameVerRel, envra, nevra]:
if item not in pkgdict:
pkgdict[item] = []
pkgdict[item].append(pkg)
return pkgdict
def parsePackages(pkgs, usercommands, casematch=0,
unique='repo-epoch-name-version-release-arch'):
"""matches up the user request versus a pkg list:
for installs/updates available pkgs should be the 'others list'
for removes it should be the installed list of pkgs
takes an optional casematch option to determine if case should be matched
exactly. Defaults to not matching."""
pkgdict = buildPkgRefDict(pkgs, bool(casematch))
exactmatch = []
matched = []
unmatched = []
for command in usercommands:
if not casematch:
command = command.lower()
if command in pkgdict:
exactmatch.extend(pkgdict[command])
del pkgdict[command]
else:
# anything we couldn't find a match for
# could mean it's not there, could mean it's a wildcard
if misc.re_glob(command):
trylist = pkgdict.keys()
# command and pkgdict are already lowered if not casematch
# so case sensitive is always fine
restring = fnmatch.translate(command)
regex = re.compile(restring)
foundit = 0
for item in trylist:
if regex.match(item):
matched.extend(pkgdict[item])
del pkgdict[item]
foundit = 1
if not foundit:
unmatched.append(command)
else:
unmatched.append(command)
unmatched = misc.unique(unmatched)
if unique == 'repo-epoch-name-version-release-arch': # pkg.__hash__
matched = misc.unique(matched)
exactmatch = misc.unique(exactmatch)
elif unique == 'repo-pkgkey': # So we get all pkg entries from a repo
def pkgunique(pkgs):
u = {}
for pkg in pkgs:
mark = "%s%s" % (pkg.repo.id, pkg.pkgKey)
u[mark] = pkg
return u.values()
matched = pkgunique(matched)
exactmatch = pkgunique(exactmatch)
else:
raise ValueError, "Bad value for unique: %s" % unique
return exactmatch, matched, unmatched
class FakeSack:
""" Fake PackageSack to use with FakeRepository"""
def __init__(self):
pass # This is fake, so do nothing
def have_fastReturnFileEntries(self):
""" Is calling pkg.returnFileEntries(primary_only=True) faster than
using searchFiles(). """
return True
def delPackage(self, obj):
"""delete a pkgobject, do nothing, but make localpackages work with --skip-broken"""
pass # This is fake, so do nothing
class FakeRepository:
"""Fake repository class for use in rpmsack package objects"""
def _set_cleanup_repoid(self, repoid):
""" Set the repoid, but because it can be random ... clean it up. """
# We don't want repoids to contain random bytes that can be
# in the FS directories. It's also nice if they aren't "huge". So
# just chop to the rpm name.
pathbased = False
if '/' in repoid:
repoid = os.path.basename(repoid)
pathbased = True
if repoid.endswith(".rpm"):
repoid = repoid[:-4]
pathbased = True
bytes = [] # Just in case someone uses mv to be evil:
if pathbased:
bytes.append('/')
for byte in repoid:
if ord(byte) >= 128:
byte = '?'
bytes.append(byte)
self.id = "".join(bytes)
def __init__(self, repoid):
self._set_cleanup_repoid(repoid)
self.name = self.id
self.sack = FakeSack()
def __cmp__(self, other):
if self.id > other.id:
return 1
elif self.id < other.id:
return -1
else:
return 0
def __hash__(self):
return hash(self.id)
def __str__(self):
return self.id
# Goal for the below is to have a packageobject that can be used by generic
# functions independent of the type of package - ie: installed or available
# Note that this is also used to history etc. ... so it's more a nevra+checksum
# holder than a base for things which are actual packages.
class PackageObject(object):
"""Base Package Object - sets up the default storage dicts and the
most common returns"""
def __init__(self):
self.name = None
self.version = None
self.release = None
self.epoch = None
self.arch = None
# self.pkgtup = (self.name, self.arch, self.epoch, self.version, self.release)
self._checksums = [] # (type, checksum, id(0,1)
def _ui_envra(self):
if self.epoch == '0':
out = '%s-%s-%s.%s' % (self.name,
self.version,
self.release,
self.arch)
else:
out = '%s:%s-%s-%s.%s' % (self.epoch,
self.name,
self.version,
self.release,
self.arch)
return out
ui_envra = property(fget=lambda self: self._ui_envra())
def _ui_nevra(self):
if self.epoch == '0':
out = '%s-%s-%s.%s' % (self.name,
self.version,
self.release,
self.arch)
else:
out = '%s-%s:%s-%s.%s' % (self.name,
self.epoch,
self.version,
self.release,
self.arch)
return out
ui_nevra = property(fget=lambda self: self._ui_nevra())
def __str__(self):
return self.ui_envra
def verCMP(self, other):
""" Compare package to another one, only rpm-version ordering. """
if not other:
return 1
ret = cmp(self.name, other.name)
if ret == 0:
ret = comparePoEVR(self, other)
return ret
def __cmp__(self, other):
""" Compare packages, this is just for UI/consistency. """
ret = self.verCMP(other)
if ret == 0:
ret = cmp(self.arch, other.arch)
if ret == 0 and hasattr(self, 'repoid') and hasattr(other, 'repoid'):
ret = cmp(self.repoid, other.repoid)
return ret
def __eq__(self, other):
""" Compare packages for yes/no equality, includes everything in the
UI package comparison. """
if not other:
return False
if self.pkgtup != other.pkgtup:
return False
if hasattr(self, 'repoid') and hasattr(other, 'repoid'):
if self.repoid != other.repoid:
return False
return True
def __ne__(self, other):
if not (self == other):
return True
return False
def __getitem__(self, key):
return getattr(self, key)
def verEQ(self, other):
""" Compare package to another one, only rpm-version equality. """
if not other:
return None
ret = cmp(self.name, other.name)
if ret != 0:
return False
return comparePoEVREQ(self, other)
def verNE(self, other):
""" Compare package to another one, only rpm-version inequality. """
if not other:
return None
return not self.verEQ(other)
def verLT(self, other):
""" Uses verCMP, tests if the other _rpm-version_ is < ours. """
return self.verCMP(other) < 0
def verLE(self, other):
""" Uses verCMP, tests if the other _rpm-version_ is <= ours. """
return self.verCMP(other) <= 0
def verGT(self, other):
""" Uses verCMP, tests if the other _rpm-version_ is > ours. """
return self.verCMP(other) > 0
def verGE(self, other):
""" Uses verCMP, tests if the other _rpm-version_ is >= ours. """
return self.verCMP(other) >= 0
def __repr__(self):
return "<%s : %s (%s)>" % (self.__class__.__name__, str(self),hex(id(self)))
def returnSimple(self, varname):
warnings.warn("returnSimple() will go away in a future version of Yum.\n",
Errors.YumFutureDeprecationWarning, stacklevel=2)
return getattr(self, varname)
def returnChecksums(self):
return self._checksums
checksums = property(fget=lambda self: self.returnChecksums())
def returnIdSum(self):
for (csumtype, csum, csumid) in self.checksums:
if csumid:
return (csumtype, csum)
# This is the virtual base class of actual packages, it basically requires a
# repo. even though it doesn't set one up in it's __init__. It also doesn't have
# PackageObject methods ... so is basically unusable on it's own
# see: YumAvailablePackage.
class RpmBase(object):
"""return functions and storage for rpm-specific data"""
def __init__(self):
self.prco = {}
self.prco['obsoletes'] = [] # (name, flag, (e,v,r))
self.prco['conflicts'] = [] # (name, flag, (e,v,r))
self.prco['requires'] = [] # (name, flag, (e,v,r))
self.prco['provides'] = [] # (name, flag, (e,v,r))
self.files = {}
self.files['file'] = []
self.files['dir'] = []
self.files['ghost'] = []
self._changelog = [] # (ctime, cname, ctext)
self.licenses = []
self._hash = None
# FIXME: This is identical to PackageObject.__eq__ and __ne__, should be
# remove (is .repoid fine here? ... we need it, maybe .repo.id).
def __eq__(self, other):
if not other: # check if other not is a package object.
return False
if self.pkgtup != other.pkgtup:
return False
if self.repoid != other.repoid:
return False
return True
def __ne__(self, other):
if not (self == other):
return True
return False
def returnEVR(self):
return PackageEVR(self.epoch, self.version, self.release)
def __hash__(self):
if self._hash is None:
mystr = '%s - %s:%s-%s-%s.%s' % (self.repo.id, self.epoch, self.name,
self.version, self.release, self.arch)
self._hash = hash(mystr)
return self._hash
def returnPrco(self, prcotype, printable=False):
"""return list of provides, requires, conflicts or obsoletes"""
prcos = self.prco.get(prcotype, [])
if printable:
results = []
for prco in prcos:
if not prco[0]: # empty or none or whatever, doesn't matter
continue
results.append(misc.prco_tuple_to_string(prco))
return results
return prcos
def checkPrco(self, prcotype, prcotuple):
"""returns 1 or 0 if the pkg contains the requested tuple/tuple range"""
# get rid of simple cases - nothing
if prcotype not in self.prco:
return 0
# First try and exact match, then search
# Make it faster, if it's "big".
if len(self.prco[prcotype]) <= 8:
if prcotuple in self.prco[prcotype]:
return 1
else:
if not hasattr(self, '_prco_lookup'):
self._prco_lookup = {'obsoletes' : None, 'conflicts' : None,
'requires' : None, 'provides' : None}
if self._prco_lookup[prcotype] is None:
self._prco_lookup[prcotype] = set(self.prco[prcotype])
if prcotuple in self._prco_lookup[prcotype]:
return 1
if True: # Keep indentation for patch smallness...
# make us look it up and compare
(reqn, reqf, (reqe, reqv ,reqr)) = prcotuple
if reqf is not None:
return self.inPrcoRange(prcotype, prcotuple)
else:
for (n, f, (e, v, r)) in self.returnPrco(prcotype):
if i18n.str_eq(reqn, n):
return 1
return 0
def inPrcoRange(self, prcotype, reqtuple):
"""returns true if the package has a the prco that satisfies
the reqtuple range, assume false.
Takes: prcotype, requested prco tuple"""
return bool(self.matchingPrcos(prcotype, reqtuple))
def matchingPrcos(self, prcotype, reqtuple):
(reqn, reqf, (reqe, reqv, reqr)) = reqtuple
# find the named entry in pkgobj, do the comparsion
result = []
for (n, f, (e, v, r)) in self.returnPrco(prcotype):
if not i18n.str_eq(reqn, n):
continue
if f == '=':
f = 'EQ'
if f != 'EQ' and prcotype == 'provides':
# isn't this odd, it's not 'EQ' and it is a provides
# - it really should be EQ
# use the pkgobj's evr for the comparison
if e is None:
e = self.epoch
if v is None:
v = self.ver
if r is None:
r = self.rel
#(e, v, r) = (self.epoch, self.ver, self.rel)
matched = rpmUtils.miscutils.rangeCompare(
reqtuple, (n, f, (e, v, r)))
if matched:
result.append((n, f, (e, v, r)))
return result
def provides_for(self, reqtuple):
"""check to see if the package object provides for the requirement
passed, including searching filelists if the requirement is a file
dep"""
if self.checkPrco('provides', reqtuple):
return True
if reqtuple[0].startswith('/'):
if misc.re_primary_filename(reqtuple[0]):
pri_only = True
else:
pri_only = False
files = self.returnFileEntries('file', pri_only) + \
self.returnFileEntries('dir', pri_only) + \
self.returnFileEntries('ghost', pri_only)
if reqtuple[0] in files:
return True
return False
def returnChangelog(self):
"""return changelog entries"""
return self._changelog
def returnFileEntries(self, ftype='file', primary_only=False):
"""return list of files based on type, you can pass primary_only=True
to limit to those files in the primary repodata"""
if self.files:
if ftype in self.files:
if primary_only:
if ftype == 'dir':
match = misc.re_primary_dirname
else:
match = misc.re_primary_filename
return [fn for fn in self.files[ftype] if match(fn)]
return self.files[ftype]
return []
def returnFileTypes(self, primary_only=False):
"""return list of types of files in the package, you can pass
primary_only=True to limit to those files in the primary repodata"""
if primary_only:
ret = [] # We only return the types for the primary files.
for ftype in self.files.keys():
if ftype == 'dir':
match = misc.re_primary_dirname
else:
match = misc.re_primary_filename
# As soon as we find a primary file of this type, we can
# return it.
for fn in self.files[ftype]:
if match(fn):
break
else:
continue
ret.append(ftype)
return ret
return self.files.keys()
def returnPrcoNames(self, prcotype):
if not hasattr(self, '_cache_prco_names_' + prcotype):
data = [n for (n, f, v) in self.returnPrco(prcotype)]
setattr(self, '_cache_prco_names_' + prcotype, data)
return getattr(self, '_cache_prco_names_' + prcotype)
def getProvidesNames(self):
warnings.warn('getProvidesNames() will go away in a future version of Yum.\n',
Errors.YumDeprecationWarning, stacklevel=2)
return self.provides_names
def simpleFiles(self, ftype='files'):
warnings.warn('simpleFiles() will go away in a future version of Yum.'
'Use returnFileEntries(primary_only=True)\n',
Errors.YumDeprecationWarning, stacklevel=2)
if self.files and ftype in self.files:
return self.files[ftype]
return []
filelist = property(fget=lambda self: self.returnFileEntries(ftype='file'))
dirlist = property(fget=lambda self: self.returnFileEntries(ftype='dir'))
ghostlist = property(fget=lambda self: self.returnFileEntries(ftype='ghost'))
requires = property(fget=lambda self: self.returnPrco('requires'))
strong_requires = property(fget=lambda self: self.returnPrco('strong_requires'))
provides = property(fget=lambda self: self.returnPrco('provides'))
obsoletes = property(fget=lambda self: self.returnPrco('obsoletes'))
conflicts = property(fget=lambda self: self.returnPrco('conflicts'))
provides_names = property(fget=lambda self: self.returnPrcoNames('provides'))
requires_names = property(fget=lambda self: self.returnPrcoNames('requires'))
strong_requires_names = property(fget=lambda self: self.returnPrcoNames('strong_requires'))
conflicts_names = property(fget=lambda self: self.returnPrcoNames('conflicts'))
obsoletes_names = property(fget=lambda self: self.returnPrcoNames('obsoletes'))
provides_print = property(fget=lambda self: self.returnPrco('provides', True))
requires_print = property(fget=lambda self: self.returnPrco('requires', True))
strong_requires_print = property(fget=lambda self: self.returnPrco('strong_requires', True))
conflicts_print = property(fget=lambda self: self.returnPrco('conflicts', True))
obsoletes_print = property(fget=lambda self: self.returnPrco('obsoletes', True))
changelog = property(fget=lambda self: self.returnChangelog())
EVR = property(fget=lambda self: self.returnEVR())
def _getBaseName(self):
""" Return the "base name" of the package, atm. we can only look at
the sourcerpm. """
if hasattr(self, '_base_package_name_ret'):
return self._base_package_name_ret
if hasattr(self, 'sourcerpm') and self.sourcerpm:
(n, v, r, e, a) = rpmUtils.miscutils.splitFilename(self.sourcerpm)
if n != self.name:
self._base_package_name_ret = n
return n
# If there is no sourcerpm, or sourcerpm == us, use .name
self._base_package_name_ret = self.name
return self._base_package_name_ret
base_package_name = property(fget=lambda self: self._getBaseName())
def have_fastReturnFileEntries(self):
""" Is calling pkg.returnFileEntries(primary_only=True) faster than
using searchFiles(). """
return self.repo.sack.have_fastReturnFileEntries()
def obsoletedBy(self, obsoleters, limit=0):
""" Returns list of obsoleters that obsolete this package. Note that we
don't do obsoleting loops. If limit is != 0, then we stop after
finding that many. """
provtup = (self.name, 'EQ', (self.epoch, self.version, self.release))
ret = []
for obspo in obsoleters:
if obspo.inPrcoRange('obsoletes', provtup):
ret.append(obspo)
if limit and len(ret) > limit:
break
return ret
# This is kind of deprecated
class PackageEVR:
"""
A comparable epoch, version, and release representation. Note that you
almost certainly want to use pkg.verEQ() or pkg.verGT() etc. instead.
"""
def __init__(self,e,v,r):
self.epoch = e
self.ver = v
self.version = v
self.rel = r
self.release = r
def compare(self,other):
return rpmUtils.miscutils.compareEVR((self.epoch, self.ver, self.rel), (other.epoch, other.ver, other.rel))
def __lt__(self, other):
if self.compare(other) < 0:
return True
return False
def __gt__(self, other):
if self.compare(other) > 0:
return True
return False
def __le__(self, other):
if self.compare(other) <= 0:
return True
return False
def __ge__(self, other):
if self.compare(other) >= 0:
return True
return False
def __eq__(self, other):
return comparePoEVREQ(self, other)
def __ne__(self, other):
if not (self == other):
return True
return False
# This is the real base class of actual packages, it has a repo. and is
# usable on it's own, in theory (but in practise see sqlitesack).
class YumAvailablePackage(PackageObject, RpmBase):
"""derived class for the packageobject and RpmBase packageobject yum
uses this for dealing with packages in a repository"""
def __init__(self, repo, pkgdict = None):
PackageObject.__init__(self)
RpmBase.__init__(self)
self.repoid = repo.id
self.repo = repo
self.state = None
self._loadedfiles = False
self._verify_local_pkg_cache = None
if pkgdict != None:
self.importFromDict(pkgdict)
self.ver = self.version
self.rel = self.release
self.pkgtup = (self.name, self.arch, self.epoch, self.version, self.release)
def _ui_from_repo(self):
""" This reports the repo the package is from, we integrate YUMDB info.
for RPM packages so a package from "fedora" that is installed has a
ui_from_repo of "@fedora". Note that, esp. with the --releasever
option, "fedora" or "rawhide" isn't authoritive.
So we also check against the current releasever and if it is
different we also print the YUMDB releasever. This means that
installing from F12 fedora, while running F12, would report as
"@fedora/13". """
if self.repoid == 'installed' and 'from_repo' in self.yumdb_info:
end = ''
if (self.rpmdb.releasever is not None and
'releasever' in self.yumdb_info and
self.yumdb_info.releasever != self.rpmdb.releasever):
end = '/' + self.yumdb_info.releasever
return '@' + self.yumdb_info.from_repo + end
return self.repoid
ui_from_repo = property(fget=lambda self: self._ui_from_repo())
def exclude(self):
"""remove self from package sack"""
self.repo.sack.delPackage(self)
def printVer(self):
"""returns a printable version string - including epoch, if it's set"""
if self.epoch != '0':
ver = '%s:%s-%s' % (self.epoch, self.version, self.release)
else:
ver = '%s-%s' % (self.version, self.release)
return ver
def compactPrint(self):
ver = self.printVer()
return "%s.%s %s" % (self.name, self.arch, ver)
def _size(self):
return self.packagesize
def _remote_path(self):
return self.relativepath
def _remote_url(self):
"""returns a URL that can be used for downloading the package.
Note that if you're going to download the package in your tool,
you should use self.repo.getPackage."""
base = self.basepath
if base:
# urljoin sucks in the reverse way that os.path.join sucks :)
if base[-1] != '/':
base = base + '/'
return urlparse.urljoin(base, self.remote_path)
return urlparse.urljoin(self.repo.urls[0], self.remote_path)
size = property(fget=lambda self: self._size())
remote_path = property(_remote_path)
remote_url = property(lambda self: self._remote_url())
def _committer(self):
"Returns the name of the last person to do a commit to the changelog."
if hasattr(self, '_committer_ret'):
return self._committer_ret
def _nf2ascii(x):
""" does .encode("ascii", "replace") but it never fails. """
ret = []
for val in x:
if ord(val) >= 128:
val = '?'
ret.append(val)
return "".join(ret)
if not len(self.changelog): # Empty changelog is _possible_ I guess
self._committer_ret = self.packager
return self._committer_ret
val = self.changelog[0][1]
# Chagnelog data is in multiple locale's, so we convert to ascii
# ignoring "bad" chars.
val = _nf2ascii(val)
# Hacky way to get rid of version numbers...
ix = val.find('> ')
if ix != -1:
val = val[0:ix+1]
self._committer_ret = val
return self._committer_ret
committer = property(_committer)
def _committime(self):
"Returns the time of the last commit to the changelog."
if hasattr(self, '_committime_ret'):
return self._committime_ret
if not len(self.changelog): # Empty changelog is _possible_ I guess
self._committime_ret = self.buildtime
return self._committime_ret
self._committime_ret = self.changelog[0][0]
return self._committime_ret
committime = property(_committime)
# FIXME test this to see if it causes hell elsewhere
def _checksum(self):
"Returns the 'default' checksum"
return self.checksums[0][1]
checksum = property(_checksum)
def getDiscNum(self):
if self.basepath is None:
return None
(scheme, netloc, path, query, fragid) = urlparse.urlsplit(self.basepath)
if scheme == "media":
if len(fragid) == 0:
return 0
return int(fragid)
return None
def returnHeaderFromPackage(self):
rpmfile = self.localPkg()
ts = rpmUtils.transaction.initReadOnlyTransaction()
try:
hdr = rpmUtils.miscutils.hdrFromPackage(ts, rpmfile)
except rpmUtils.RpmUtilsError:
raise Errors.RepoError, 'Package Header %s: RPM Cannot open' % self
return hdr
def returnLocalHeader(self):
"""returns an rpm header object from the package object's local
header cache"""
if os.path.exists(self.localHdr()):
try:
hlist = rpm.readHeaderListFromFile(self.localHdr())
hdr = hlist[0]
except (rpm.error, IndexError):
raise Errors.RepoError, 'Package Header %s: Cannot open' % self
else:
raise Errors.RepoError, 'Package Header %s: Not Available' % self
return hdr
def localPkg(self):
"""return path to local package (whether it is present there, or not)"""
if not hasattr(self, 'localpath'):
rpmfn = os.path.basename(self.remote_path)
self.localpath = self.repo.pkgdir + '/' + rpmfn
return self.localpath
def localHdr(self):
"""return path to local cached Header file downloaded from package
byte ranges"""
if not hasattr(self, 'hdrpath'):
pkgname = os.path.basename(self.remote_path)
hdrname = pkgname[:-4] + '.hdr'
self.hdrpath = self.repo.hdrdir + '/' + hdrname
return self.hdrpath
def verifyLocalPkg(self):
"""check the package checksum vs the localPkg
return True if pkg is good, False if not"""
# This is called a few times now, so we want some way to not have to
# read+checksum "large" datasets multiple times per. transaction.
try:
nst = os.stat(self.localPkg())
except OSError, e:
return False
if (hasattr(self, '_verify_local_pkg_cache') and
self._verify_local_pkg_cache):
ost = self._verify_local_pkg_cache
if (ost.st_ino == nst.st_ino and
ost.st_dev == nst.st_dev and
ost.st_mtime == nst.st_mtime and
ost.st_size == nst.st_size):
return True
(csum_type, csum) = self.returnIdSum()
try:
filesum = misc.checksum(csum_type, self.localPkg(),
datasize=self.packagesize)
except Errors.MiscError:
return False
if filesum != csum:
return False
self._verify_local_pkg_cache = nst
return True
# See: http://www.freedesktop.org/wiki/CommonExtendedAttributes
def _localXattrUrl(self):
""" Get the user.xdg.origin.url value from the local pkg. ... if it's
present. We cache this so we can access it after the file has been
deleted (keepcache=False). """
if xattr is None:
return None
if hasattr(self, '__cached_localXattrUrl'):
return getattr(self, '__cached_localXattrUrl')
if not self.verifyLocalPkg():
return None
try:
ret = xattr.get(self.localPkg(), 'user.xdg.origin.url')
except: # Documented to be "EnvironmentError", but make sure
return None
setattr(self, '__cached_localXattrUrl', ret)
return ret
xattr_origin_url = property(lambda x: x._localXattrUrl())
def prcoPrintable(self, prcoTuple):
"""convert the prco tuples into a nicer human string"""
warnings.warn('prcoPrintable() will go away in a future version of Yum.\n',
Errors.YumDeprecationWarning, stacklevel=2)
return misc.prco_tuple_to_string(prcoTuple)
def requiresList(self):
"""return a list of requires in normal rpm format"""
return self.requires_print
def returnChecksums(self):
return [(self.checksum_type, self.pkgId, 1)]
def importFromDict(self, pkgdict):
"""handles an mdCache package dictionary item to populate out
the package information"""
# translates from the pkgdict, populating out the information for the
# packageObject
if hasattr(pkgdict, 'nevra'):
(n, e, v, r, a) = pkgdict.nevra
self.name = n
self.epoch = e
self.version = v
self.arch = a
self.release = r
if hasattr(pkgdict, 'time'):
self.buildtime = pkgdict.time['build']
self.filetime = pkgdict.time['file']
if hasattr(pkgdict, 'size'):
self.packagesize = pkgdict.size['package']
self.archivesize = pkgdict.size['archive']
self.installedsize = pkgdict.size['installed']
if hasattr(pkgdict, 'location'):
url = pkgdict.location.get('base')
if url == '':
url = None
self.basepath = url
self.relativepath = pkgdict.location['href']
if hasattr(pkgdict, 'hdrange'):
self.hdrstart = pkgdict.hdrange['start']
self.hdrend = pkgdict.hdrange['end']
if hasattr(pkgdict, 'info'):
for item in ['summary', 'description', 'packager', 'group',
'buildhost', 'sourcerpm', 'url', 'vendor']:
setattr(self, item, pkgdict.info[item])
self.summary = self.summary.replace('\n', '')
self.licenses.append(pkgdict.info['license'])
if hasattr(pkgdict, 'files'):
for fn in pkgdict.files:
ftype = pkgdict.files[fn]
if ftype not in self.files:
self.files[ftype] = []
self.files[ftype].append(fn)
if hasattr(pkgdict, 'prco'):
for rtype in pkgdict.prco:
for rdict in pkgdict.prco[rtype]:
name = rdict['name']
f = rdict.get('flags')
e = rdict.get('epoch')
v = rdict.get('ver')
r = rdict.get('rel')
self.prco[rtype].append((name, f, (e,v,r)))
if hasattr(pkgdict, 'changelog'):
for cdict in pkgdict.changelog:
date = cdict.get('date')
text = cdict.get('value')
author = cdict.get('author')
self._changelog.append((date, author, text))
if hasattr(pkgdict, 'checksum'):
ctype = pkgdict.checksum['type']
csum = pkgdict.checksum['value']
csumid = pkgdict.checksum['pkgid']
if csumid is None or csumid.upper() == 'NO':
csumid = 0
elif csumid.upper() == 'YES':
csumid = 1
else:
csumid = 0
self._checksums.append((ctype, csum, csumid))
# from here down this is for dumping a package object back out to metadata
def _return_remote_location(self):
# break self.remote_url up into smaller pieces
base = os.path.dirname(self.remote_url)
href = os.path.basename(self.remote_url)
msg = """<location xml:base="%s" href="%s"/>\n""" % (
misc.to_xml(base,attrib=True), misc.to_xml(href, attrib=True))
return msg
def _dump_base_items(self):
packager = url = ''
if self.packager:
packager = misc.to_unicode(misc.to_xml(self.packager))
if self.url:
url = misc.to_unicode(misc.to_xml(self.url))
(csum_type, csum, csumid) = self.checksums[0]
msg = """
<name>%s</name>
<arch>%s</arch>
<version epoch="%s" ver="%s" rel="%s"/>
<checksum type="%s" pkgid="YES">%s</checksum>
<summary>%s</summary>
<description>%s</description>
<packager>%s</packager>
<url>%s</url>
<time file="%s" build="%s"/>
<size package="%s" installed="%s" archive="%s"/>\n""" % (self.name,
self.arch, self.epoch, self.ver, self.rel, csum_type, csum,
misc.to_unicode(misc.to_xml(self.summary)),
misc.to_unicode(misc.to_xml(self.description)),
packager, url, self.filetime,
self.buildtime, self.packagesize, self.installedsize, self.archivesize)
msg += self._return_remote_location()
return msg
def _dump_format_items(self):
msg = " <format>\n"
if self.license:
msg += """ <rpm:license>%s</rpm:license>\n""" % misc.to_xml(self.license)
else:
msg += """ <rpm:license/>\n"""
if self.vendor:
msg += """ <rpm:vendor>%s</rpm:vendor>\n""" % misc.to_xml(self.vendor)
else:
msg += """ <rpm:vendor/>\n"""
if self.group:
msg += """ <rpm:group>%s</rpm:group>\n""" % misc.to_xml(self.group)
else:
msg += """ <rpm:group/>\n"""
if self.buildhost:
msg += """ <rpm:buildhost>%s</rpm:buildhost>\n""" % misc.to_xml(self.buildhost)
else:
msg += """ <rpm:buildhost/>\n"""
if self.sourcerpm:
msg += """ <rpm:sourcerpm>%s</rpm:sourcerpm>\n""" % misc.to_xml(self.sourcerpm)
msg +=""" <rpm:header-range start="%s" end="%s"/>""" % (self.hdrstart,
self.hdrend)
msg += self._dump_pco('provides')
msg += self._dump_requires()
msg += self._dump_pco('conflicts')
msg += self._dump_pco('obsoletes')
msg += self._dump_files(True)
if msg[-1] != '\n':
msg += """\n"""
msg += """ </format>"""
return msg
def _dump_pco(self, pcotype):
msg = ""
mylist = getattr(self, pcotype)
if mylist: msg = "\n <rpm:%s>\n" % pcotype
for (name, flags, (e,v,r)) in sorted(mylist):
pcostring = ''' <rpm:entry name="%s"''' % misc.to_xml(name, attrib=True)
if flags:
pcostring += ''' flags="%s"''' % misc.to_xml(flags, attrib=True)
if e:
pcostring += ''' epoch="%s"''' % misc.to_xml(e, attrib=True)
if v:
pcostring += ''' ver="%s"''' % misc.to_xml(v, attrib=True)
if r:
pcostring += ''' rel="%s"''' % misc.to_xml(r, attrib=True)
pcostring += "/>\n"
msg += pcostring
if mylist: msg += " </rpm:%s>" % pcotype
return msg
def _dump_files(self, primary=False):
msg ="\n"
if not primary:
files = self.returnFileEntries('file')
dirs = self.returnFileEntries('dir')
ghosts = self.returnFileEntries('ghost')
else:
files = self.returnFileEntries('file', primary_only=True)
dirs = self.returnFileEntries('dir', primary_only=True)
ghosts = self.returnFileEntries('ghost', primary_only=True)
for fn in sorted(files):
msg += """ <file>%s</file>\n""" % misc.to_xml(fn)
for fn in sorted(dirs):
msg += """ <file type="dir">%s</file>\n""" % misc.to_xml(fn)
for fn in sorted(ghosts):
msg += """ <file type="ghost">%s</file>\n""" % misc.to_xml(fn)
return msg
def _requires_with_pre(self):
raise NotImplementedError()
def _dump_requires(self):
"""returns deps in format"""
mylist = self._requires_with_pre()
msg = ""
if mylist: msg = "\n <rpm:requires>\n"
if hasattr(self, '_collapse_libc_requires') and self._collapse_libc_requires:
libc_requires = filter(lambda x: x[0].startswith('libc.so.6'), mylist)
if libc_requires:
best = sorted(libc_requires)[-1]
newlist = []
for i in mylist:
if i[0].startswith('libc.so.6') and i != best:
continue
newlist.append(i)
mylist = newlist
used = 0
for (name, flags, (e,v,r),pre) in sorted(mylist):
if name.startswith('rpmlib('):
continue
# this drops out requires that the pkg provides for itself.
if name in self.provides_names or name in self.filelist + \
self.dirlist + self.ghostlist:
if not flags:
continue
else:
if self.checkPrco('provides', (name, flags, (e,v,r))):
continue
prcostring = ''' <rpm:entry name="%s"''' % misc.to_xml(name, attrib=True)
if flags:
prcostring += ''' flags="%s"''' % misc.to_xml(flags, attrib=True)
if e:
prcostring += ''' epoch="%s"''' % misc.to_xml(e, attrib=True)
if v:
prcostring += ''' ver="%s"''' % misc.to_xml(v, attrib=True)
if r:
prcostring += ''' rel="%s"''' % misc.to_xml(r, attrib=True)
if pre not in ("0", 0):
prcostring += ''' pre="%s"''' % pre
prcostring += "/>\n"
msg += prcostring
used += 1
if mylist: msg += " </rpm:requires>"
if used == 0:
return ""
return msg
def _dump_changelog(self, clog_limit):
if not self.changelog:
return ""
msg = "\n"
# We need to output them "backwards", so the oldest is first
if not clog_limit:
clogs = self.changelog
else:
clogs = self.changelog[:clog_limit]
last_ts = 0
hack_ts = 0
for (ts, author, content) in reversed(clogs):
if ts != last_ts:
hack_ts = 0
else:
hack_ts += 1
last_ts = ts
ts += hack_ts
msg += """<changelog author="%s" date="%s">%s</changelog>\n""" % (
misc.to_xml(author, attrib=True), misc.to_xml(str(ts)),
misc.to_xml(content))
return msg
def xml_dump_primary_metadata(self):
msg = """\n<package type="rpm">"""
msg += misc.to_unicode(self._dump_base_items())
msg += misc.to_unicode(self._dump_format_items())
msg += """\n</package>"""
return misc.to_utf8(msg)
def xml_dump_filelists_metadata(self):
msg = """\n<package pkgid="%s" name="%s" arch="%s">
<version epoch="%s" ver="%s" rel="%s"/>\n""" % (self.checksum, self.name,
self.arch, self.epoch, self.ver, self.rel)
msg += misc.to_unicode(self._dump_files())
msg += "</package>\n"
return misc.to_utf8(msg)
def xml_dump_other_metadata(self, clog_limit=0):
msg = """\n<package pkgid="%s" name="%s" arch="%s">
<version epoch="%s" ver="%s" rel="%s"/>\n""" % (self.checksum, self.name,
self.arch, self.epoch, self.ver, self.rel)
msg += "%s\n</package>\n" % misc.to_unicode(self._dump_changelog(clog_limit))
return misc.to_utf8(msg)
# HACK: This is completely retarded. Don't blame me, someone just fix
# rpm-python already. This is almost certainly not all of the problems,
# but w/e.
def _rpm_long_size_hack(hdr, size):
""" Rpm returns None, for certain sizes. And has a "longsize" for the real
values. """
return hdr[size] or hdr['long' + size]
# This is a tweak on YumAvailablePackage() and is a base class for packages
# which are actual rpms.
class YumHeaderPackage(YumAvailablePackage):
"""Package object built from an rpm header"""
def __init__(self, repo, hdr):
"""hand in an rpm header, we'll assume it's installed and query from there"""
YumAvailablePackage.__init__(self, repo)
self.hdr = hdr
self.name = misc.share_data(self.hdr['name'])
this_a = self.hdr['arch']
if not this_a: # this should only happen on gpgkeys and other "odd" pkgs
this_a = 'noarch'
self.arch = misc.share_data(this_a)
self.epoch = misc.share_data(self.doepoch())
self.version = misc.share_data(self.hdr['version'])
self.release = misc.share_data(self.hdr['release'])
self.ver = self.version
self.rel = self.release
self.pkgtup = (self.name, self.arch, self.epoch, self.version, self.release)
# Summaries "can be" empty, which rpm return [], see BZ 473239, *sigh*
self.summary = self.hdr['summary'] or ''
self.summary = misc.share_data(self.summary.replace('\n', ''))
self.description = self.hdr['description'] or ''
self.description = misc.share_data(self.description)
self.pkgid = self.hdr[rpm.RPMTAG_SHA1HEADER]
if not self.pkgid:
self.pkgid = "%s.%s" %(self.hdr['name'], self.hdr['buildtime'])
self.packagesize = _rpm_long_size_hack(self.hdr, 'archivesize')
self.installedsize = _rpm_long_size_hack(self.hdr, 'size')
self.__mode_cache = {}
self.__prcoPopulated = False
def _remote_url(self):
return 'file://' + urllib.quote(os.path.abspath(self.localPkg()))
def __str__(self):
if self.epoch == '0':
val = '%s-%s-%s.%s' % (self.name, self.version, self.release,
self.arch)
else:
val = '%s:%s-%s-%s.%s' % (self.epoch,self.name, self.version,
self.release, self.arch)
return val
def returnPrco(self, prcotype, printable=False):
if not self.__prcoPopulated:
self._populatePrco()
self.__prcoPopulated = True
return YumAvailablePackage.returnPrco(self, prcotype, printable)
def _get_hdr(self):
return self.hdr
def _populatePrco(self):
"Populate the package object with the needed PRCO interface."
tag2prco = { "OBSOLETE": misc.share_data("obsoletes"),
"CONFLICT": misc.share_data("conflicts"),
"REQUIRE": misc.share_data("requires"),
"PROVIDE": misc.share_data("provides") }
hdr = self._get_hdr()
for tag in tag2prco:
name = hdr[getattr(rpm, 'RPMTAG_%sNAME' % tag)]
name = map(misc.share_data, name)
if not name: # empty or none or whatever, doesn't matter
continue
lst = hdr[getattr(rpm, 'RPMTAG_%sFLAGS' % tag)]
if tag == 'REQUIRE':
# Rpm is a bit magic here, and if pkgA requires(pre/post): foo
# it will then let you remove foo _after_ pkgA has been
# installed. So we need to mark those deps. as "weak".
bits = rpm.RPMSENSE_SCRIPT_PRE | rpm.RPMSENSE_SCRIPT_POST
weakreqs = [bool(flag & bits) for flag in lst]
flag = map(rpmUtils.miscutils.flagToString, lst)
flag = map(misc.share_data, flag)
lst = hdr[getattr(rpm, 'RPMTAG_%sVERSION' % tag)]
vers = map(rpmUtils.miscutils.stringToVersion, lst)
vers = map(lambda x: (misc.share_data(x[0]), misc.share_data(x[1]),
misc.share_data(x[2])), vers)
prcotype = tag2prco[tag]
self.prco[prcotype] = map(misc.share_data, zip(name,flag,vers))
if tag == 'REQUIRE':
weakreqs = zip(weakreqs, self.prco[prcotype])
strongreqs = [wreq[1] for wreq in weakreqs if not wreq[0]]
self.prco['strong_requires'] = strongreqs
def tagByName(self, tag):
warnings.warn("tagByName() will go away in a furture version of Yum.\n",
Errors.YumFutureDeprecationWarning, stacklevel=2)
try:
return getattr(self, tag)
except AttributeError:
raise Errors.MiscError, "Unknown header tag %s" % tag
def __getattr__(self, thing):
#FIXME - if an error - return AttributeError, not KeyError
# ONLY FIX THIS AFTER THE API BREAK
if thing.startswith('__') and thing.endswith('__'):
# If these existed, then we wouldn't get here ...
# So these are missing.
raise AttributeError, "%s has no attribute %s" % (self, thing)
try:
return self.hdr[thing]
except KeyError:
# Note above, API break to fix this ... this at least is a nicer
# msg. so we know what we accessed that is bad.
raise KeyError, "%s has no attribute %s" % (self, thing)
except ValueError:
# Note above, API break to fix this ... this at least is a nicer
# msg. so we know what we accessed that is bad.
raise ValueError, "%s has no attribute %s" % (self, thing)
def doepoch(self):
tmpepoch = self.hdr['epoch']
if tmpepoch is None:
epoch = '0'
else:
epoch = str(tmpepoch)
return epoch
def returnLocalHeader(self):
return self.hdr
def _loadFiles(self):
files = self.hdr['filenames']
fileflags = self.hdr['fileflags']
filemodes = self.hdr['filemodes']
filetuple = zip(files, filemodes, fileflags)
if not self._loadedfiles:
for (fn, mode, flag) in filetuple:
#garbage checks
if mode is None or mode == '':
if 'file' not in self.files:
self.files['file'] = []
self.files['file'].append(fn)
continue
if mode not in self.__mode_cache:
self.__mode_cache[mode] = stat.S_ISDIR(mode)
fkey = 'file'
if self.__mode_cache[mode]:
fkey = 'dir'
elif flag is not None and (flag & 64):
fkey = 'ghost'
self.files.setdefault(fkey, []).append(fn)
self._loadedfiles = True
def returnFileEntries(self, ftype='file', primary_only=False):
"""return list of files based on type"""
self._loadFiles()
return YumAvailablePackage.returnFileEntries(self,ftype,primary_only)
def returnChangelog(self):
# note - if we think it is worth keeping changelogs in memory
# then create a _loadChangelog() method to put them into the
# self._changelog attr
if len(self.hdr['changelogname']) > 0:
return zip(misc.to_unicode(self.hdr['changelogtime'], errors='replace'),
misc.to_unicode(self.hdr['changelogname'], errors='replace'),
misc.to_unicode(self.hdr['changelogtext'], errors='replace'))
return []
def returnChecksums(self):
raise NotImplementedError()
def _size(self):
return _rpm_long_size_hack(self.hdr, 'size')
def _is_pre_req(self, flag):
"""check the flags for a requirement, return 1 or 0 whether or not requires
is a pre-requires or a not"""
# FIXME this should probably be put in rpmUtils.miscutils since
# - that's what it is
if flag is not None:
# Note: RPMSENSE_PREREQ == 0 since rpm-4.4'ish
if flag & (rpm.RPMSENSE_PREREQ |
rpm.RPMSENSE_SCRIPT_PRE |
rpm.RPMSENSE_SCRIPT_POST):
return 1
return 0
def _requires_with_pre(self):
"""returns requires with pre-require bit"""
name = self.hdr[rpm.RPMTAG_REQUIRENAME]
lst = self.hdr[rpm.RPMTAG_REQUIREFLAGS]
flag = map(flagToString, lst)
pre = map(self._is_pre_req, lst)
lst = self.hdr[rpm.RPMTAG_REQUIREVERSION]
vers = map(stringToVersion, lst)
if name is not None:
lst = zip(name, flag, vers, pre)
mylist = misc.unique(lst)
return mylist
class _CountedReadFile:
""" Has just a read() method, and keeps a count so we can find out how much
has been read. Implemented so we can get the real size of the file from
prelink. """
def __init__(self, fp):
self.fp = fp
self.read_size = 0
def read(self, size):
ret = self.fp.read(size)
self.read_size += len(ret)
return ret
class _PkgVerifyProb:
""" Holder for each "problem" we find with a pkg.verify(). """
def __init__(self, type, msg, ftypes, fake=False):
self.type = type
self.message = msg
self.database_value = None
self.disk_value = None
self.file_types = ftypes
self.fake = fake
def __cmp__(self, other):
if other is None:
return 1
type2sort = {'type' : 1, 'symlink' : 2, 'checksum' : 3, 'size' : 4,
'user' : 4, 'group' : 5, 'mode' : 6, 'genchecksum' : 7,
'mtime' : 8, 'missing' : 9, 'permissions-missing' : 10,
'state' : 11, 'missingok' : 12, 'ghost' : 13}
ret = cmp(type2sort[self.type], type2sort[other.type])
if not ret:
for attr in ['disk_value', 'database_value', 'file_types']:
x = getattr(self, attr)
y = getattr(other, attr)
if x is None:
assert y is None
continue
ret = cmp(x, y)
if ret:
break
return ret
# From: lib/rpmvf.h ... not in rpm *sigh*
_RPMVERIFY_DIGEST = (1 << 0)
_RPMVERIFY_FILESIZE = (1 << 1)
_RPMVERIFY_LINKTO = (1 << 2)
_RPMVERIFY_USER = (1 << 3)
_RPMVERIFY_GROUP = (1 << 4)
_RPMVERIFY_MTIME = (1 << 5)
_RPMVERIFY_MODE = (1 << 6)
_RPMVERIFY_RDEV = (1 << 7)
_RPMVERIFY_CAPS = (1 << 8)
_RPMVERIFY_CONTEXTS = (1 << 15)
class YUMVerifyPackageFile(object):
def __init__(self, filename):
self.filename = filename
self.readlink = None
self.mtime = None
self.dev = None
self.user = None
self.group = None
self.mode = None
self.digest = None
self.size = None
self.verify_ftype = False
self.rpmfile_type = set()
self.rpmfile_state = None
def _setVerifiedAttr(self, attr, val, vattr=None):
if vattr is None:
vattr = "verify_" + attr
attr = "_" + attr
setattr(self, attr, val)
setattr(self, vattr, val is not None)
readlink = property(fget=lambda x: x._readlink,
fdel=lambda x: setattr(x, 'readlink', None),
fset=lambda x,y: x._setVerifiedAttr("readlink", y))
mtime = property(fget=lambda x: x._mtime,
fdel=lambda x: setattr(x, 'mtime', None),
fset=lambda x,y: x._setVerifiedAttr("mtime", y))
dev = property(fget=lambda x: x._dev,
fdel=lambda x: setattr(x, 'dev', None),
fset=lambda x,y: x._setVerifiedAttr("dev", y))
user = property(fget=lambda x: x._user,
fdel=lambda x: setattr(x, 'user', None),
fset=lambda x,y: x._setVerifiedAttr("user", y))
group = property(fget=lambda x: x._group,
fdel=lambda x: setattr(x, 'group', None),
fset=lambda x,y: x._setVerifiedAttr("group", y))
# Mode is special, because it's shared with ftype.
digest = property(fget=lambda x: x._digest,
fdel=lambda x: setattr(x, 'digest', None),
fset=lambda x,y: x._setVerifiedAttr("digest", y))
size = property(fget=lambda x: x._size,
fdel=lambda x: setattr(x, 'size', None),
fset=lambda x,y: x._setVerifiedAttr("size", y))
def _setVerifiedMode(self, attr, val):
self.verify_mode = val is not None
self.verify_ftype = val is not None
attr = "_" + attr
setattr(self, attr, val)
mode = property(fget=lambda x: x._mode,
fdel=lambda x: setattr(x, 'mode', None),
fset=lambda x,y: x._setVerifiedMode("mode", y))
@staticmethod
def _ftype(mode):
""" Given a "mode" return the name of the type of file. """
if stat.S_ISREG(mode): return "file"
if stat.S_ISDIR(mode): return "directory"
if stat.S_ISLNK(mode): return "symlink"
if stat.S_ISFIFO(mode): return "fifo"
if stat.S_ISCHR(mode): return "character device"
if stat.S_ISBLK(mode): return "block device"
return "<unknown>"
ftype = property(fget=lambda x: x._ftype(x.mode))
class _RPMVerifyPackageFile(YUMVerifyPackageFile):
def __init__(self, fi, filetuple, csum_type, override_vflags=False):
YUMVerifyPackageFile.__init__(self, filetuple[0])
flags = filetuple[4]
if override_vflags:
vflags = -1
else:
vflags = filetuple[9]
if vflags & _RPMVERIFY_FILESIZE:
self.size = filetuple[1]
if vflags & _RPMVERIFY_RDEV|_RPMVERIFY_MODE:
mode = filetuple[2]
if mode < 0:
# Stupid rpm, should be unsigned value but is signed ...
# so we "fix" it via. this hack
mode = (mode & 0xFFFF)
self.mode = mode
if not (vflags & _RPMVERIFY_MODE):
self.verify_mode = False
if not (vflags & _RPMVERIFY_RDEV):
self.verify_ftype = False
if vflags & _RPMVERIFY_MTIME:
self.mtime = filetuple[3]
if vflags & _RPMVERIFY_RDEV:
self.dev = filetuple[5]
self.rpmfile_types = rpmfile_types = set()
if flags & rpm.RPMFILE_CONFIG:
rpmfile_types.add('configuration')
if flags & rpm.RPMFILE_DOC:
rpmfile_types.add('documentation')
if flags & rpm.RPMFILE_GHOST:
rpmfile_types.add('ghost')
if flags & rpm.RPMFILE_LICENSE:
rpmfile_types.add('license')
if flags & rpm.RPMFILE_PUBKEY:
rpmfile_types.add('public key')
if flags & rpm.RPMFILE_README:
rpmfile_types.add('README')
if flags & rpm.RPMFILE_MISSINGOK:
rpmfile_types.add('missing ok')
# 6 == inode
# 7 == link
state = filetuple[8]
statemap = {rpm.RPMFILE_STATE_NORMAL : 'normal',
rpm.RPMFILE_STATE_REPLACED : 'replaced',
rpm.RPMFILE_STATE_NOTINSTALLED : 'not installed',
rpm.RPMFILE_STATE_WRONGCOLOR : 'wrong color',
rpm.RPMFILE_STATE_NETSHARED : 'netshared'}
if state in statemap:
self.rpmfile_state = statemap[state]
else:
self.rpmfile_state = "<unknown>"
if vflags & _RPMVERIFY_USER:
self.user = filetuple[10]
if vflags & _RPMVERIFY_GROUP:
self.group = filetuple[11]
if vflags & _RPMVERIFY_DIGEST:
self.digest = (csum_type, filetuple[12])
if self.ftype == 'symlink' and vflags & _RPMVERIFY_LINKTO:
self.readlink = fi.FLink() # fi.foo is magic, don't think about it
elif vflags & _RPMVERIFY_LINKTO:
self.readlink = ''
class YUMVerifyPackage:
""" A holder for YUMVerifyPackageFile objects. """
def __init__(self, po):
self.po = po
self._files = {}
def __contains__(self, fname):
""" Note that this checks if a filename is part of the package, and
not a full YUMVerifyPackageFile(). """
return fname in self._files
def __iter__(self):
for fn in self._files:
yield self._files[fn]
def add(self, vpf):
self._files[vpf.filename] = vpf
def remove(self, vpf):
del self._files[vpf.filename]
def discard(self, vpf):
if vpf.filename not in self:
return
self.remove(vpf)
def clear(self):
self._files = {}
class _RPMVerifyPackage(YUMVerifyPackage):
def __init__(self, po, fi, def_csum_type, patterns, all):
YUMVerifyPackage.__init__(self, po)
self._presetup = (fi, def_csum_type, patterns, all)
def _setup(self):
if not hasattr(self, '_presetup'):
return
(fi, def_csum_type, patterns, all) = self._presetup
del self._presetup
for ft in fi:
fn = ft[0]
if patterns:
matched = False
for p in patterns:
if fnmatch.fnmatch(fn, p):
matched = True
break
if not matched:
continue
self.add(_RPMVerifyPackageFile(fi, ft, def_csum_type, all))
def __contains__(self, *args, **kwargs):
self._setup()
return YUMVerifyPackage.__contains__(self, *args, **kwargs)
def __iter__(self, *args, **kwargs):
self._setup()
return YUMVerifyPackage.__iter__(self, *args, **kwargs)
def add(self, *args, **kwargs):
self._setup()
return YUMVerifyPackage.add(self, *args, **kwargs)
def remove(self, *args, **kwargs):
self._setup()
return YUMVerifyPackage.remove(self, *args, **kwargs)
# discard uses contains...
def clear(self, *args, **kwargs):
if hasattr(self, '_presetup'):
del self._presetup
return YUMVerifyPackage.clear(self, *args, **kwargs)
_installed_repo = FakeRepository('installed')
_installed_repo.cost = 0
# This is a tweak on YumHeaderPackage() for installed rpm packages.
class YumInstalledPackage(YumHeaderPackage):
"""super class for dealing with packages in the rpmdb"""
def __init__(self, hdr, yumdb=None):
YumHeaderPackage.__init__(self, _installed_repo, hdr)
if yumdb:
self.yumdb_info = yumdb.get_package(self)
def verify(self, patterns=[], deps=False, script=False,
fake_problems=True, all=False, fast=False, callback=None):
"""verify that the installed files match the packaged checksum
optionally verify they match only if they are in the 'pattern' list
returns a tuple """
fi = self.hdr.fiFromHeader()
results = {} # fn = problem_obj?
# Use prelink_undo_cmd macro?
prelink_cmd = "/usr/sbin/prelink"
have_prelink = os.path.exists(prelink_cmd)
# determine what checksum algo to use:
csum_type = 'md5' # default for legacy
if hasattr(rpm, 'RPMTAG_FILEDIGESTALGO'):
csum_num = self.hdr[rpm.RPMTAG_FILEDIGESTALGO]
if csum_num:
if csum_num in RPM_CHECKSUM_TYPES:
csum_type = RPM_CHECKSUM_TYPES[csum_num]
# maybe an else with an error code here? or even a verify issue?
pfs = _RPMVerifyPackage(self, fi, csum_type, patterns, all)
if callback is not None:
pfs = callback(pfs)
for pf in pfs:
fn = pf.filename
ftypes = list(pf.rpmfile_types)
if pf.rpmfile_state != "normal":
ftypes.append("state=" + pf.rpmfile_state)
if fake_problems:
results[fn] = [_PkgVerifyProb('state',
'state is not normal',
ftypes, fake=True)]
continue
if 'missing ok' in pf.rpmfile_types and fake_problems:
results[fn] = [_PkgVerifyProb('missingok', 'missing but ok',
ftypes, fake=True)]
if 'missing ok' in pf.rpmfile_types and not all:
continue # rpm just skips missing ok, so we do too
if 'ghost' in pf.rpmfile_types and fake_problems:
results[fn] = [_PkgVerifyProb('ghost', 'ghost file', ftypes,
fake=True)]
if 'ghost' in pf.rpmfile_types and not all:
continue
# do check of file status on system
problems = []
if os.path.lexists(pf.filename):
# stat
my_st = os.lstat(pf.filename)
my_st_size = my_st.st_size
try:
my_user = pwd.getpwuid(my_st[stat.ST_UID])[0]
except KeyError, e:
my_user = 'uid %s not found' % my_st[stat.ST_UID]
try:
my_group = grp.getgrgid(my_st[stat.ST_GID])[0]
except KeyError, e:
my_group = 'gid %s not found' % my_st[stat.ST_GID]
my_ftype = YUMVerifyPackageFile._ftype(my_st.st_mode)
verify_dev = False
if (pf.verify_dev and (pf.ftype.endswith("device") or
my_ftype.endswith("device"))):
verify_dev = True
if verify_dev:
if pf.ftype != my_ftype:
prob = _PkgVerifyProb('type','file type does not match',
ftypes)
prob.database_value = pf.ftype
prob.disk_value = my_ftype
problems.append(prob)
elif (pf.dev & 0xFFFF) != (my_st.st_dev & 0xFFFF):
prob =_PkgVerifyProb('type','dev does not match',ftypes)
prob.database_value = hex(pf.dev & 0xffff)
prob.disk_value = hex(my_st.st_dev & 0xffff)
problems.append(prob)
if pf.verify_readlink:
my_fnl = ''
if my_ftype == "symlink":
my_fnl = os.readlink(pf.filename)
if my_fnl != pf.readlink:
prob = _PkgVerifyProb('symlink',
'symlink does not match', ftypes)
prob.database_value = pf.readlink
prob.disk_value = my_fnl
problems.append(prob)
check_content = True
if 'ghost' in ftypes:
check_content = False
if my_ftype == "symlink" and pf.ftype == "file":
# Don't let things hide behind symlinks
my_st_size = os.stat(pf.filename).st_size
elif my_ftype != "file":
check_content = False
check_perms = True
if my_ftype == "symlink":
# No, rpm doesn't check user/group on the dst. of the
# symlink ... so we don't.
check_perms = False
if (check_content and pf.verify_mtime and
int(my_st.st_mtime) != int(pf.mtime)):
prob = _PkgVerifyProb('mtime', 'mtime does not match',
ftypes)
prob.database_value = pf.mtime
prob.disk_value = int(my_st.st_mtime)
problems.append(prob)
if check_perms and pf.verify_user and my_user != pf.user:
prob = _PkgVerifyProb('user', 'user does not match', ftypes)
prob.database_value = pf.user
prob.disk_value = my_user
problems.append(prob)
if check_perms and pf.verify_group and my_group != pf.group:
prob = _PkgVerifyProb('group', 'group does not match',
ftypes)
prob.database_value = pf.group
prob.disk_value = my_group
problems.append(prob)
my_mode = my_st.st_mode
pf_mode = pf.mode
perm_mask = 0777
if 'ghost' in ftypes: # This is what rpm does, although it
my_mode &= perm_mask # doesn't usually get here.
pf_mode &= perm_mask
if check_perms and pf.verify_mode and my_mode != pf_mode:
prob = _PkgVerifyProb('mode', 'mode does not match', ftypes)
prob.database_value = pf_mode
prob.disk_value = my_st.st_mode
problems.append(prob)
verify_digest = pf.verify_digest
if fast and not problems and (my_st_size == pf.size):
verify_digest = False
if not pf.digest:
verify_digest = False
# Note that because we might get the _size_ from prelink,
# we need to do the checksum, even if we just throw it away,
# just so we get the size correct.
if (check_content and
(verify_digest or (pf.verify_size and have_prelink and
my_st_size != pf.size))):
if pf.digest:
digest_type = pf.digest[0]
csum = pf.digest[0] + ':' + pf.digest[1]
else:
digest_type = csum_type
csum = ''
try:
my_csum = misc.checksum(digest_type, pf.filename)
my_csum = digest_type + ':' + my_csum
except Errors.MiscError:
# Don't have permission?
my_csum = None
if pf.verify_digest and my_csum is None:
prob = _PkgVerifyProb('genchecksum',
'checksum not available', ftypes)
prob.database_value = csum
prob.disk_value = None
problems.append(prob)
if my_csum != csum and have_prelink:
# This is how rpm -V works, try and if that fails try
# again with prelink.
p = Popen([prelink_cmd, "-y", pf.filename],
bufsize=-1, stdin=PIPE,
stdout=PIPE, stderr=PIPE, close_fds=True)
(ig, fp, er) = (p.stdin, p.stdout, p.stderr)
# er.read(1024 * 1024) # Try and get most of the stderr
fp = _CountedReadFile(fp)
tcsum = misc.checksum(digest_type, fp)
if fp.read_size: # If prelink worked
my_csum = tcsum
my_csum = digest_type + ':' + my_csum
my_st_size = fp.read_size
if pf.verify_digest and my_csum != csum:
prob = _PkgVerifyProb('checksum',
'checksum does not match', ftypes)
prob.database_value = csum
prob.disk_value = my_csum
problems.append(prob)
# Size might be got from prelink ... *sigh*.
if check_content and pf.verify_size and my_st_size != pf.size:
prob = _PkgVerifyProb('size', 'size does not match', ftypes)
prob.database_value = pf.size
prob.disk_value = my_st_size
problems.append(prob)
else:
try:
os.stat(pf.filename)
perms_ok = True # Shouldn't happen
except OSError, e:
perms_ok = True
if e.errno == errno.EACCES:
perms_ok = False
if perms_ok:
prob = _PkgVerifyProb('missing', 'file is missing', ftypes)
else:
prob = _PkgVerifyProb('permissions-missing',
'file is missing (Permission denied)',
ftypes)
problems.append(prob)
if problems:
results[pf.filename] = problems
return results
# This is a tweak on YumHeaderPackage() for rpm packages which are on disk.
class YumLocalPackage(YumHeaderPackage):
"""Class to handle an arbitrary package from a file path
this inherits most things from YumInstalledPackage because
installed packages and an arbitrary package on disk act very
much alike. init takes a ts instance and a filename/path
to the package."""
def __init__(self, ts=None, filename=None):
if ts is None:
# This shouldn't be used "normally" within yum, but is very useful
# for small scripts and debugging/etc.
ts = rpmUtils.transaction.initReadOnlyTransaction()
if filename is None:
raise Errors.MiscError, \
'No Filename specified for YumLocalPackage instance creation'
self.pkgtype = 'local'
self.localpath = filename
self._checksum = None
try:
hdr = rpmUtils.miscutils.hdrFromPackage(ts, self.localpath)
except RpmUtilsError, e:
raise Errors.MiscError, \
'Could not open local rpm file: %s: %s' % (self.localpath, e)
fakerepo = FakeRepository(filename)
fakerepo.cost = 0
YumHeaderPackage.__init__(self, fakerepo, hdr)
self.id = self.pkgid
self._stat = os.stat(self.localpath)
self.filetime = str(self._stat[-2])
self.packagesize = str(self._stat[6])
self.arch = self.isSrpm()
self.pkgtup = (self.name, self.arch, self.epoch, self.ver, self.rel)
self._hdrstart = None
self._hdrend = None
self.checksum_type = misc._default_checksums[0]
# these can be set by callers that need these features (ex: createrepo)
self._reldir = None
self._baseurl = ""
# self._packagenumber will be needed when we do sqlite creation here
def isSrpm(self):
if self.tagByName('sourcepackage') == 1 or not self.tagByName('sourcerpm'):
return 'src'
else:
return self.tagByName('arch')
def localPkg(self):
return self.localpath
def _do_checksum(self, checksum_type=None):
if checksum_type is None:
checksum_type = misc._default_checksums[0]
if not self._checksum:
self._checksum = misc.checksum(checksum_type, self.localpath)
self._checksums = [(checksum_type, self._checksum, 1)]
return self._checksum
checksum = property(fget=lambda self: self._do_checksum())
def returnChecksums(self):
self._do_checksum()
return self._checksums
def verifyLocalPkg(self):
""" don't bother "checking" the package matches itself. """
return True
def _get_header_byte_range(self):
"""takes an rpm file or fileobject and returns byteranges for location of the header"""
if self._hdrstart and self._hdrend:
return (self._hdrstart, self._hdrend)
fo = open(self.localpath, 'r')
#read in past lead and first 8 bytes of sig header
fo.seek(104)
# 104 bytes in
binindex = fo.read(4)
# 108 bytes in
(sigindex, ) = struct.unpack('>I', binindex)
bindata = fo.read(4)
# 112 bytes in
(sigdata, ) = struct.unpack('>I', bindata)
# each index is 4 32bit segments - so each is 16 bytes
sigindexsize = sigindex * 16
sigsize = sigdata + sigindexsize
# we have to round off to the next 8 byte boundary
disttoboundary = (sigsize % 8)
if disttoboundary != 0:
disttoboundary = 8 - disttoboundary
# 112 bytes - 96 == lead, 8 = magic and reserved, 8 == sig header data
hdrstart = 112 + sigsize + disttoboundary
fo.seek(hdrstart) # go to the start of the header
fo.seek(8,1) # read past the magic number and reserved bytes
binindex = fo.read(4)
(hdrindex, ) = struct.unpack('>I', binindex)
bindata = fo.read(4)
(hdrdata, ) = struct.unpack('>I', bindata)
# each index is 4 32bit segments - so each is 16 bytes
hdrindexsize = hdrindex * 16
# add 16 to the hdrsize to account for the 16 bytes of misc data b/t the
# end of the sig and the header.
hdrsize = hdrdata + hdrindexsize + 16
# header end is hdrstart + hdrsize
hdrend = hdrstart + hdrsize
fo.close()
self._hdrstart = hdrstart
self._hdrend = hdrend
return (hdrstart, hdrend)
hdrend = property(fget=lambda self: self._get_header_byte_range()[1])
hdrstart = property(fget=lambda self: self._get_header_byte_range()[0])
def _return_remote_location(self):
# if we start seeing fullpaths in the location tag - this is the culprit
if self._reldir and self.localpath.startswith(self._reldir):
relpath = self.localpath.replace(self._reldir, '')
if relpath[0] == '/': relpath = relpath[1:]
else:
relpath = self.localpath
if self._baseurl:
msg = """<location xml:base="%s" href="%s"/>\n""" % (
misc.to_xml(self._baseurl, attrib=True),
misc.to_xml(relpath, attrib=True))
else:
msg = """<location href="%s"/>\n""" % misc.to_xml(relpath, attrib=True)
return msg
# This is a tweak on YumLocalPackage() to download rpm packages to disk, and
# then use them directly.
class YumUrlPackage(YumLocalPackage):
"""Class to handle an arbitrary package from a URL
this inherits most things from YumLocalPackage, but will download a
remote package to make it local.
init takes a YumBase, a ts instance and a url to the package."""
def __init__(self, yb=None, ts=None, url=None, ua=None):
if url.lower().startswith("file:"):
result = url[len("file:"):]
elif not misc.re_remote_url(url):
result = url
else:
cb = None
pd = {}
for repo in yb.repos.listEnabled():
cb = repo.callback # Hacky, but these are "always" the same
if (repo.proxy == yb.conf.proxy and
repo.proxy_username == yb.conf.proxy_username and
repo.proxy_password == yb.conf.proxy_password):
# Even more hacky...
pd = repo.proxy_dict
break
fname = os.path.basename(url)
local = misc.getCacheDir()
if local is None: # bugger...
local = "%s/../" % repo.cachedir
local = "%s/%s" % (local, fname)
try:
ug = URLGrabber(bandwidth = yb.conf.bandwidth,
retry = yb.conf.retries,
throttle = yb.conf.throttle,
progress_obj = cb,
proxies=pd)
if ua is not None:
ug.opts.user_agent = ua
result = ug.urlgrab(url, local, text=fname)
except URLGrabError, e:
raise Errors.MiscError("Cannot download %s: %s" % (url, e))
YumLocalPackage.__init__(self, ts, result)
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