Class: Aikido::Zen::Scanners::SSRF::DNSLookups

Inherits:

SimpleDelegator

• Object
• SimpleDelegator
• Aikido::Zen::Scanners::SSRF::DNSLookups

Defined in:

lib/aikido/zen/scanners/ssrf/dns_lookups.rb

Overview

Simple per-request cache of all DNS lookups performed for a given host. We can store this in the context after performing a lookup, and have the SSRF scanner make sure the hostname being inspected doesn’t actually resolve to an internal/dangerous IP.

Instance Method Summary

• #===(hostname) ⇒ Object
• #add(hostname, addresses) ⇒ Object
• #initialize ⇒ DNSLookups constructor

  A new instance of DNSLookups.

Constructor Details

#initialize ⇒ DNSLookups

Returns a new instance of DNSLookups.

# File 'lib/aikido/zen/scanners/ssrf/dns_lookups.rb', line 13

def initialize
  super(Hash.new { |h, k| h[k] = [] })
end

Instance Method Details

#===(hostname) ⇒ Object

# File 'lib/aikido/zen/scanners/ssrf/dns_lookups.rb', line 21

def ===(hostname)
  key?(hostname)
end

#add(hostname, addresses) ⇒ Object

# File 'lib/aikido/zen/scanners/ssrf/dns_lookups.rb', line 17

def add(hostname, addresses)
  self[hostname].concat(Array(addresses))
end