wmbiff: Fix security.debian.rb script.

Patch by Lothar Ketterer <lketterer@users.sourceforge.net>

For more information, see:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=525749
This commit is contained in:
Doug Torrance 2014-11-07 21:31:16 -06:00 committed by Carlos R. Mafra
parent b0006da45a
commit 0293ad1117

View file

@ -7,7 +7,7 @@
# Based on security-update-check.py by Rob Bradford
require 'net/http'
require 'net/ftp'
#require 'profile'
@ -67,16 +67,13 @@ end
# file, the url, the system's cache of the file, and a
# per-user cache of the file.
packagelists = Dir.glob("/var/lib/apt/lists/#{Server}*Packages").map { |pkgfile|
[ pkgfile.gsub(/.*#{Server}/, '').tr('_','/'), # the url path
[ '/debian-security' + pkgfile.gsub(/.*#{Server}/, '').tr('_','/').gsub(/Packages/, ''), # the url path
pkgfile, # the system cache of the packages file. probably up-to-date.
# and finally, a user's cache of the page, if needed.
"%s/%s" % [ Cachedir, pkgfile.gsub(/.*#{Server}_/,'') ]
]
}
# we'll open a persistent session, but only if we need it.
session = nil
# update the user's cache if necessary.
packagelists.each { |urlpath, sc, uc|
sctime = File.stat(sc).mtime
@ -91,31 +88,23 @@ packagelists.each { |urlpath, sc, uc|
uctime
end
else
# the user cache doesn't exist, but we might have
# talked to the server recently.
if(test(?e, uc + '.stamp')) then
File.stat(uc + '.stamp').mtime
else
sctime
end
sctime
end
if(Time.now > cached_time + Refetch_Interval_Sec) then
debugmsg "fetching #{urlpath} %s > %s + %d" % [Time.now, cached_time, Refetch_Interval_Sec]
begin
if(session == nil) then
session = Net::HTTP.new(Server)
# session.set_pipe($stderr);
end
begin
# the warning with ruby1.8 on the following line
# has to do with the resp, data bit, which should
# eventually be replaced with (copied from the
# docs with the 1.8 net/http.rb)
# response = http.get('/index.html')
# puts response.body
resp, data = session.get(urlpath,
{ 'If-Modified-Since' =>
cached_time.strftime( "%a, %d %b %Y %H:%M:%S GMT" ) })
test(?e, Cachedir) or Dir.mkdir(Cachedir)
ftp = Net::FTP.new(Server)
ftp.login
ftp.chdir(urlpath)
ftp.getbinaryfile('Packages.gz', uc + '.gz', 1024)
ftp.close
# need to unzip Packages.gz
cmd_gunzip = "gzip -df %s" % [ uc + '.gz' ]
Kernel.system(cmd_gunzip)
rescue SocketError => e
# if the net is down, we'll get this error; avoid printing a stack trace.
puts "XX old"
@ -127,24 +116,7 @@ packagelists.each { |urlpath, sc, uc|
puts "XX old"
exit 1;
end
test(?e, Cachedir) or Dir.mkdir(Cachedir)
File.open(uc, 'w') { |o| o.puts data }
test(?e, uc + '.stamp') and File.unlink(uc + '.stamp') # we have a copy, don't need the stamp.
debugmsg "urlpath updated"
rescue Net::ProtoRetriableError => detail
head = detail.data
if head.code != "304"
raise "unexpected error occurred: " + detail
end
test(?e, Cachedir) or Dir.mkdir(Cachedir)
if(test(?e, uc)) then
touch(uc)
else
# we didn't get an update, but we don't have a cached
# copy in the user directory.
touch(uc + '.stamp')
end
end
else
debugmsg "skipping #{urlpath}"
end