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#!/usr/bin/env python
import bb
def read_available(filename):
"""
Parses the output of bitbake -s
minus the first few lines
"""
f = open(filename)
packages = {}
for line in f:
# str.split can not be used as we have multiple whitespace
first_space = line.find(" ")
package = line[0:first_space]
rest = line[first_space+1:]
pv = rest.strip().split(" ")[0]
packages[package] = pv
return packages
def map_names(str):
"""Map a FreeBSD name to OE"""
maps = {
"libpurple" : "pidgin",
"php4" : "php",
"php5" : "php",
"expat2" : "expat",
"freeciv-gtk" : "freeciv",
"pcre" : "libpcre",
"vim-gnome" : "vim",
"python23" : "python",
"python24" : "python",
"python25" : "python",
"python+ipv6" : "python",
"wget-devel" : "wget",
"xchat2" : "xchat",
"freetype" : "freetype",
"qemu-devel" : "qemu",
"krb5-beta" : "krb5",
"freeciv-gtk2": "freeciv",
"gtk" : "gtk+",
"wget+ipv6" : "wget",
"ja-gd" : "gd",
"openvpn-devel" : "openvpn",
"mpeg123-esound" : "mpeg123",
"mpeg123-nas" : "mpeg123",
"cdrtools-cjk" : "cdrtools",
"apache+mod_ssl+mod_deflate" : "apache2",
"apache+mod_ssl*" : "apache2",
"vim-gtk2" : "vim",
"zh-emacs" : "emacs",
"{ja-,}bugzilla" : "bugzilla",
"zh-tin" : "tin",
"mozilla+ipv6": "mozilla",
"mozilla-embeddded" : "mozilla",
"rar" : "unrar",
"libsndfile" : "libsndfile1",
"sylpheed-gtk2": "sylpheed",
"cdrtools-devel": "cdrtools",
"pine4-ssl": "pine",
"apache" : "apache2",
"ghostscript-gpl" : "gs",
"ghostscript-gnu-nox11" : "gs",
"ghostscript8" : "gs",
"ghostscript-afpl-nox11" : "gs",
"ghostscript-afpl" : "gs",
"isc-dhcp" : "dhcp",
"mplayer-gtk" : "mplayer",
"xerces-c2" : "xerces-c",
"libxml" : "libxml2",
"vim+ruby" : "vim",
"mplayer{,-gtk}{,-esound}" : "mplayer",
"proftpd-devel": "proftpd",
"neon28" : "neon",
"php4-dba" : "php",
"php5-{cgi,cli}" : "php",
}
try:
return maps[str]
except:
return str
def is_not_in_oe(name):
"""Method to reject packages not in OE"""
not_in = [
# packages that we will never have...
"linux-firefox", "fr-linux-netscape", "linux-netscape-{communicator,navigator}",
"linux_base", "ja-netscape7", "{ja,ko}-netscape-{communicator,navigator}-linux", "zhTW-linux-mozillafirebird", "ja-linux-mozillafirebird-gtk1", "el-linux-mozillafirebird", "mozilla-firebird", "netscape7",
"acroread4", "acroread7", "acroread5",
"linux-openmotif", "linux-flock", "linux-jdk", "linux-curl", "linux-png", "linux-firefox-devel",
# packages that we don't have now but maybe will have in
# the future and blacklisting them here might be a problem
"openoffice.org-2-devel", "openoffice.org-2", "it-openoffice", "ca-openoffice","sl-openoffice-SI", "ja-openoffice",
"drupal4", "drupal5", "drupal6", "drupal-pubcookie",
"gpdf",
"nagios",
"kdenetwork", "ja-kdelibs", "kdegraphics", "kdepim", "kdebase4-runtime",
"xemacs-devel", "xemacs-devel-21.5", "xemacs-mule", "zh-xemacs", "zh-xemacs-mule",
"geeklog", "apach13-ssl", "nvidia-driver", "eGroupWare", "varnish", "heimdal",
"bugzilla", "agenda-snow-libs", "mozilla",
]
return name in not_in
class freebsd_info:
"""
Handles an entry like the one below:
vulnerability-test-port>=2000<2010.02.26|http://cvsweb.freebsd.org/ports/security/vulnerability-test-port/|Not vulnerable, just a test port (database: 2010-02-26)
"""
def __init__(self, name, versions, link, kind):
self.name = name
self.versions = versions
self.link = link
@classmethod
def split_versions(self, input):
"""
Split versions by <, >, >=, >=
"""
versions = []
last_pos = 0
# Try to determine <, >, >=, <=
# we will have to carry stuff on to find the
# version..
i = 0
while i < len(input) - 1:
c1 = input[i]
c2 = input[i+1]
if c1 != '<' and c1 != '>' and c1 != '=':
i = i + 1
continue
# is a '=' coming behind it?
next = i + 1
if c2 == '=':
next = next + 1
# submit
if last_pos != 0:
versions.append((next_type, input[last_pos:i]))
# remember stuff
next_type = input[i:next]
last_pos = next
i = next
assert last_pos != 0
versions.append((next_type, input[last_pos:len(input)]))
return versions
def __repr__(self):
return "%s: %s" % (self.name, self.versions)
def create_infos(line):
split = line.split("|")
for i in range(0, len(split[0])):
c = split[0][i]
if c != '<' and c != '=' and c != '>':
continue
name = map_names(split[0][0:i])
versions = freebsd_info.split_versions(split[0][i:])
break
if is_not_in_oe(name):
#print "Not in oe %s" % name
return []
link = split[1]
kind = split[2]
return [freebsd_info(name, versions, link, kind)]
def read_auditfile(filename):
"""
Read an uncompressed audit file from freebsd
"""
f = open(filename)
packages = {}
for line in f:
if line.startswith("#"):
continue
infos = create_infos(line)
for info in infos:
try:
packages[info.name].append(info)
except:
packages[info.name] = []
packages[info.name].append(info)
return packages
def strip_oe_version(oe_version):
"""
We need to strip the package epoch... and the PR to compare
it to the FreeBSD versions. Also FreeBSD seems to use _N as
PR so we might need to do more..
"""
split = oe_version.split(':', 1)
ver = split[1]
split = ver.rsplit('-r', 1)
ver = split[0]
return ver
def strip_bsd_version(bsd_version):
"""
FreeBSD is adding ,1 for revisions.. remove that
"""
# FIXME return a tuple with a revision...
split = bsd_version.rsplit(',', 1)
split = split[0]
split = split.rsplit('_', 1)
return split[0]
def compare_versions(oe, freebsd, not_known):
def handle_package(oe_name, bsd_name):
if not oe_name in oe:
if oe_name == bsd_name:
print >> not_known, "%s is not in OE" % oe_name
return
oe_version = strip_oe_version(oe[oe_name])
for ver in freebsd[bsd_name]:
affected = True
str = []
for (cmp, vers) in ver.versions:
bsd_ver = strip_bsd_version(vers)
cmp_res = bb.utils.vercmp(('0', oe_version, 'r0'), ('0', bsd_ver, 'r0'))
if cmp == '<':
if cmp_res >= 0:
affected = False
pass
elif cmp == '<=':
if cmp_res > 0:
affected = False
pass
elif cmp == '>':
if cmp_res <= 0:
affected = False
pass
elif cmp == '>=':
if cmp_res < 0:
affected = False
pass
elif cmp == '=':
if cmp_res > 0:
affected = False
else:
print cmp
assert True
str.append("%s %s %s %s" % (oe_name, oe_version, cmp, bsd_ver))
if affected:
print " && ".join(str), ver.link
for package in freebsd.keys():
# handle the various versions of OE packages
handle_package(package, package)
handle_package("%s-native" % package, package)
handle_package("%s-full-native" % package, package)
handle_package("%s-sdk" % package, package)
# read the input data
oe_packages = read_available("available")
freebsd_vuln = read_auditfile("auditfile")
buggy = open("not_in_oe.bugs", "w+")
compare_versions(oe=oe_packages, freebsd=freebsd_vuln, not_known=buggy)
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