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#!/usr/bin/python -tt
#
#
# Copyright (C) 2009 Jon Stanley
#
# The getSigInfo function is lifted directly from yum
# Copyright (C) 2003 Duke University
#
# 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 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
import rpm
import sys
import errno
try:
from rpmUtils.miscutils import getSigInfo
except ImportError:
import locale
def getSigInfo(hdr):
"""checks signature from an hdr hand back signature information and/or
an error code"""
locale.setlocale(locale.LC_ALL, 'C')
string = '%|DSAHEADER?{%{DSAHEADER:pgpsig}}:{%|RSAHEADER?{%{RSAHEADER:pgpsig}}:{%|SIGGPG?{%{SIGGPG:pgpsig}}:{%|SIGPGP?{%{SIGPGP:pgpsig}}:{(none)}|}|}|}|'
siginfo = hdr.sprintf(string)
if siginfo != '(none)':
error = 0
sigtype, sigdate, sigid = siginfo.split(',')
else:
error = 101
sigtype = 'MD5'
sigdate = 'None'
sigid = 'None'
infotuple = (sigtype, sigdate, sigid)
return error, infotuple
from optparse import OptionParser
ts=rpm.TransactionSet()
def buildKeyList():
'''Build a dict of public keys in the rpm database'''
keys = ts.dbMatch(rpm.RPMTAG_NAME, 'gpg-pubkey')
for hdr in keys:
pubkeys[hdr[rpm.RPMTAG_VERSION]]=hdr[rpm.RPMTAG_SUMMARY][4:].split('<',1)[0].rstrip()
def getPkgNevra(hdr):
'''Return a formatted string of the nevra of a header object'''
if hdr[rpm.RPMTAG_EPOCH]:
return '%s-%s:%s-%s.%s' % ( hdr[rpm.RPMTAG_NAME], hdr[rpm.RPMTAG_EPOCH],
hdr[rpm.RPMTAG_VERSION], hdr[rpm.RPMTAG_RELEASE],
hdr[rpm.RPMTAG_ARCH])
else:
return '%s-%s-%s.%s' % ( hdr[rpm.RPMTAG_NAME], hdr[rpm.RPMTAG_VERSION],
hdr[rpm.RPMTAG_RELEASE], hdr[rpm.RPMTAG_ARCH] )
def getSig(hdr):
'''Given an rpm header object, extract the signing key, if any.
Returns a tuple of the name of the package nevra, and the name of the
signing key.'''
if hdr[rpm.RPMTAG_DSAHEADER]:
keyid = getSigInfo(hdr)[1][2][16:]
try:
return (getPkgNevra(hdr), pubkeys[keyid])
except KeyError:
pubkeys[keyid] = 'Unkown key %s' % keyid
return (getPkgNevra(hdr), pubkeys[keyid])
else:
return (getPkgNevra(hdr), 'unsigned')
def getPkg(name=None):
'''Get package signing keys from the RPM database
Optionally accepts a name of a package, if present, restrict the search to
all instances of that package name, otherwise, the entire RPM database is
processed. Ignores entries that are GPG public keys in the rpmdb'''
if name:
mi = ts.dbMatch(rpm.RPMTAG_NAME, name)
else:
mi = ts.dbMatch()
exists = False
for hdr in mi:
exists = True
if hdr[rpm.RPMTAG_NAME] == 'gpg-pubkey':
continue
nevra, key = getSig(hdr)
try:
pkgs[key].append(nevra)
except KeyError:
pkgs[key] = []
pkgs[key].append(nevra)
if not exists:
sys.stderr.write('No such package %s\n' % name)
def csvOutput(pkgs):
'''Output data in csv format'''
for pkg in pkgs.iteritems():
if pkg[1]:
for pkginstance in pkg[1]:
try:
print '%s,%s' % (pkginstance,pkg[0])
except IOError, e:
if e.errno == errno.EPIPE:
sys.exit(1)
else:
raise
def listOutput(pkgs):
'''Output data in separated list format'''
for pkg in pkgs.iteritems():
if pkg[1]:
print pkg[0]
print '-' * len(pkg[0])
for pkginstance in pkg[1]:
try:
print pkginstance
except IOError, e:
if e.errno == errno.EPIPE:
sys.exit(1)
else:
raise
print
if __name__ == '__main__':
usage = '%prog [options] pkg1 pkg2...'
parser = OptionParser(usage)
parser.add_option('-m', '--machine-readable', action='store_true',
dest='mr', help='Produce machine readable output')
options, args = parser.parse_args()
pubkeys = {}
buildKeyList()
pkgs = {}
for keyname in pubkeys.itervalues():
pkgs[keyname] = []
pkgs['unsigned'] = []
if len(args) != 0:
for pkg in args:
getPkg(pkg)
else:
getPkg()
if options.mr:
csvOutput(pkgs)
else:
listOutput(pkgs)
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