colons are ':' valid filter characters

[sahglie]

ruby-net-ldap is choking on queries that work with our university LDAP using the ldapsearch utility. Here is an example of such a query:

ldapsearch -H ldaps://ldap.berkeley.edu -x -D "<bind>" -W -s sub -b "ou=people,dc=berkeley,dc=edu" "(&(objectclass=person)(ismemberof=cn=edu:berkeley:app:calmessages:deans,ou=campus groups,dc=berkeley,dc=edu))" "uid"

In this case, ruby-net-ldap would raise Net::LDAP::LdapError: Invalid filter syntax

I've also run this query using the python ldap library and like ldapsearch it works fine.

While debugging this I isolated the problem down to the parse_filter_branch method: the scanner doesn't include ':' in its regex when--I believe--it should. After updating the regex everything worked as expected for me. Please let me know if you have any questions.

[slbug]

also '/' valid too

2.1.1 :010 > Net::LDAP::Filter.construct("(|(loginShell=/bin/bash)(loginShell=/bin/zsh))")
Net::LDAP::LdapError: Invalid filter syntax.

2.1.1 :002 > (Net::LDAP::Filter.eq('loginShell', '/bin/bash') | Net::LDAP::Filter.eq('loginShell', '/bin/zsh')).to_s
 => "(|(loginShell=/bin/bash)(loginShell=/bin/zsh))"