From: lay20114@gmail.com
To: ruby-core@ruby-lang.org
Subject: [ruby-core:92567] [Ruby trunk Bug#15832] IPAddr.new accepts invalid mask IP address
Date: Sun, 05 May 2019 20:52:29 +0000 (UTC) [thread overview]
Message-ID: <redmine.issue-15832.20190505205228.c84523e85b731f94@ruby-lang.org> (raw)
In-Reply-To: redmine.issue-15832.20190505205228@ruby-lang.org
Issue #15832 has been reported by tsuna (Kenta Tsuna).
----------------------------------------
Bug #15832: IPAddr.new accepts invalid mask IP address
https://bugs.ruby-lang.org/issues/15832
* Author: tsuna (Kenta Tsuna)
* Status: Open
* Priority: Normal
* Assignee:
* Target version:
* ruby -v: ruby 2.7.0dev (2019-05-05 trunk 594a033ff0) [x86_64-linux]
* Backport: 2.4: UNKNOWN, 2.5: UNKNOWN, 2.6: UNKNOWN
----------------------------------------
IPAddr.new accepts IP address with multiple mask and/or zero padded one.
```
$ cat ipaddr.rb
require 'ipaddr'
addrs = %w[192.0.2.0/24/16
192.0.2.0/00024
192.0.2.0/24/00016
192.0.2.0/00024/16
2001:db8::/32/24
2001:db8::/00032
2001:db8::/32/00024
2001:db8::/00032/24]
addrs.each do |addr|
begin
p IPAddr.new(addr)
puts "#{addr} is valid"
rescue StandardError
puts "#{addr} is invalid"
end
end
```
```
$ ruby ipaddr.rb
#<IPAddr: IPv4:192.0.2.0/255.255.255.0>
192.0.2.0/24/16 is valid
#<IPAddr: IPv4:192.0.2.0/255.255.255.0>
192.0.2.0/00024 is valid
#<IPAddr: IPv4:192.0.2.0/255.255.255.0>
192.0.2.0/24/00016 is valid
#<IPAddr: IPv4:192.0.2.0/255.255.255.0>
192.0.2.0/00024/16 is valid
#<IPAddr: IPv6:2001:0db8:0000:0000:0000:0000:0000:0000/ffff:ffff:0000:0000:0000:0000:0000:0000>
2001:db8::/32/24 is valid
#<IPAddr: IPv6:2001:0db8:0000:0000:0000:0000:0000:0000/ffff:ffff:0000:0000:0000:0000:0000:0000>
2001:db8::/00032 is valid
#<IPAddr: IPv6:2001:0db8:0000:0000:0000:0000:0000:0000/ffff:ffff:0000:0000:0000:0000:0000:0000>
2001:db8::/32/00024 is valid
#<IPAddr: IPv6:2001:0db8:0000:0000:0000:0000:0000:0000/ffff:ffff:0000:0000:0000:0000:0000:0000>
2001:db8::/00032/24 is valid
```
--
https://bugs.ruby-lang.org/
next parent reply other threads:[~2019-05-05 20:52 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <redmine.issue-15832.20190505205228@ruby-lang.org>
2019-05-05 20:52 ` lay20114 [this message]
2019-06-05 2:02 ` [ruby-core:92967] [Ruby trunk Bug#15832] IPAddr.new accepts invalid mask IP address merch-redmine
2019-07-09 6:55 ` [ruby-core:93630] [Ruby master " samuel
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-list from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.ruby-lang.org/en/community/mailing-lists/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=redmine.issue-15832.20190505205228.c84523e85b731f94@ruby-lang.org \
--to=ruby-core@ruby-lang.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).