Class: Msf::Exploit::Remote::LDAP::EntryCache::LDAPEntryCache

Inherits:
LruRedux::Cache
  • Object
show all
Defined in:
lib/msf/core/exploit/remote/ldap/entry_cache.rb

Constant Summary collapse

MissingEntry = 
Object.new.freeze

Instance Method Summary collapse

Constructor Details

#initialize(max_size: 1000) ⇒ LDAPEntryCache

Returns a new instance of LDAPEntryCache.



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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 14

def initialize(max_size: 1000)
  super(max_size)
  @missing_samaccountname = LruRedux::Cache.new(max_size)
  @missing_sid = LruRedux::Cache.new(max_size)
end

Instance Method Details

#<<(entry) ⇒ Object

Raises:

  • (TypeError) 


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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 20

def <<(entry)
  raise TypeError unless entry.is_a? Net::LDAP::Entry

  self[entry.dn] = entry
end

#get_by_dn(dn) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 26

def get_by_dn(dn)
  self[dn]
end

#get_by_samaccountname(samaccountname) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 30

def get_by_samaccountname(samaccountname)
  entry = @data.values.reverse_each.find { _1.is_a?(Net::LDAP::Entry) && _1[:sAMAccountName]&.first == samaccountname }
  @data[entry.dn] = entry if entry # update it as recently used
  return entry if entry

  MissingEntry if @missing_samaccountname[samaccountname]
end

#get_by_sid(sid) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 38

def get_by_sid(sid)
  sid = Rex::Proto::MsDtyp::MsDtypSid.new(sid)

  entry = @data.values.reverse_each.find { _1.is_a?(Net::LDAP::Entry) && _1[:objectSid]&.first == sid.to_binary_s  }
  @data[entry.dn] = entry if entry # update it as recently used
  return entry if entry

  MissingEntry if @missing_sid[sid.to_s]
end

#mark_missing_by_dn(dn) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 48

def mark_missing_by_dn(dn)
  self[dn] = MissingEntry
end

#mark_missing_by_samaccountname(samaccountname) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 52

def mark_missing_by_samaccountname(samaccountname)
  @missing_samaccountname[samaccountname] = true
end

#mark_missing_by_sid(sid) ⇒ Object 



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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 56

def mark_missing_by_sid(sid)
  sid = Rex::Proto::MsDtyp::MsDtypSid.new(sid)
  @missing_sid[sid.to_s] = true
end

#missing_entry?(entry) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/msf/core/exploit/remote/ldap/entry_cache.rb', line 61

def missing_entry?(entry)
  entry.equal?(MissingEntry)
end