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Bug #37355

closed

Creating a DHCP host can cause an IPv6 address to be looked up

Added by Ewoud Kohl van Wijngaarden 10 months ago. Updated 8 months ago.

Status:
Closed
Priority:
Normal
Assignee:
Ewoud Kohl van Wijngaarden
Category:
DHCP
Target version:
-
Difficulty:
Triaged:
Yes
Bugzilla link:
Pull request:
https://github.com/theforeman/smart-proxy/pull/890
Fixed in Releases:
Foreman - 3.11.0
Found in Releases:
Foreman - 3.5.3
Red Hat JIRA:

Description

If the TFTP server has the hostname kwik.example.com that only has an IPv6 address the OMAPI code can try to resolve it and then convert it to an IPv4 address:

2024-04-15T14:51:40 244f54fc [I] Next-server option not IPv4, trying to resolve 'kwik.example.com'
2024-04-15T14:51:40 244f54fc [E] invalid value for Integer(): "2001:db8::1" 
2024-04-15T14:51:40 244f54fc [W] Error details for invalid value for Integer(): "2001:db8::1": <ArgumentError>: invalid value for Integer(): "2001:db8::1" 
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:218:in `%'
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:218:in `block in ip2hex'
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:218:in `map'
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:218:in `ip2hex'
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:208:in `rescue in bootServer'
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:203:in `bootServer'
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:51:in `om_add_record'
/usr/share/foreman-proxy/modules/dhcp_common/isc/omapi_provider.rb:36:in `add_record'
/usr/share/foreman-proxy/modules/dhcp/dhcp_api.rb:81:in `block in <class:DhcpApi>'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1686:in `call'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1686:in `block in compile!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1023:in `block (3 levels) in route!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1042:in `route_eval'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1023:in `block (2 levels) in route!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1071:in `block in process_route'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1069:in `catch'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1069:in `process_route'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1021:in `block in route!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1018:in `each'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1018:in `route!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1140:in `block in dispatch!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1112:in `block in invoke'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1112:in `catch'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1112:in `invoke'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1135:in `dispatch!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:949:in `block in call!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1112:in `block in invoke'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1112:in `catch'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1112:in `invoke'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:949:in `call!'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:938:in `call'
/usr/share/gems/gems/rack-2.2.4/lib/rack/method_override.rb:24:in `call'
/usr/share/foreman-proxy/lib/proxy/log.rb:101:in `call'
/usr/share/foreman-proxy/lib/proxy/request_id_middleware.rb:11:in `call'
/usr/share/gems/gems/rack-protection-2.2.2/lib/rack/protection/xss_header.rb:18:in `call'
/usr/share/gems/gems/rack-protection-2.2.2/lib/rack/protection/path_traversal.rb:16:in `call'
/usr/share/gems/gems/rack-protection-2.2.2/lib/rack/protection/json_csrf.rb:26:in `call'
/usr/share/gems/gems/rack-protection-2.2.2/lib/rack/protection/base.rb:50:in `call'
/usr/share/gems/gems/rack-protection-2.2.2/lib/rack/protection/base.rb:50:in `call'
/usr/share/gems/gems/rack-protection-2.2.2/lib/rack/protection/frame_options.rb:31:in `call'
/usr/share/gems/gems/rack-2.2.4/lib/rack/null_logger.rb:11:in `call'
/usr/share/gems/gems/rack-2.2.4/lib/rack/head.rb:12:in `call'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/show_exceptions.rb:22:in `call'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:218:in `call'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1993:in `call'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1553:in `block in call'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1769:in `synchronize'
/usr/share/gems/gems/sinatra-2.2.2/lib/sinatra/base.rb:1553:in `call'
/usr/share/gems/gems/rack-2.2.4/lib/rack/urlmap.rb:74:in `block in call'
/usr/share/gems/gems/rack-2.2.4/lib/rack/urlmap.rb:58:in `each'
/usr/share/gems/gems/rack-2.2.4/lib/rack/urlmap.rb:58:in `call'
/usr/share/gems/gems/rack-2.2.4/lib/rack/builder.rb:244:in `call'
/usr/share/gems/gems/rack-2.2.4/lib/rack/handler/webrick.rb:95:in `service'
/usr/share/ruby/webrick/httpserver.rb:140:in `service'
/usr/share/ruby/webrick/httpserver.rb:96:in `run'
/usr/share/ruby/webrick/server.rb:307:in `block in start_thread'
/usr/share/gems/gems/logging-2.3.1/lib/logging/diagnostic_context.rb:474:in `block in create_with_logging_context'

Related issues 1 (0 open — 1 closed)

Related to Smart Proxy - Bug #37621: invalid value for Integer(): “#Resolv::DNS::Resource::IN::A:0x00007fnnnnnnnnn”ClosedEwoud Kohl van WijngaardenActions
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