Class: SecurityGroupIngressPortRangeRule

Inherits:
BaseRule
  • Object
show all
Defined in:
lib/cfn-nag/custom_rules/SecurityGroupIngressPortRangeRule.rb

Instance Method Summary collapse

Methods inherited from BaseRule

#audit

Instance Method Details

#audit_impl(cfn_model) ⇒ Object

This will behave slightly different than the legacy jq based rule which was targeted against inline ingress only



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# File 'lib/cfn-nag/custom_rules/SecurityGroupIngressPortRangeRule.rb', line 23

def audit_impl(cfn_model)
  violating_security_groups = cfn_model.security_groups.select do |security_group|
    violating_ingresses = security_group.ingresses.select do |ingress|
      ingress.fromPort != ingress.toPort
    end

    !violating_ingresses.empty?
  end

  violating_ingresses = cfn_model.standalone_ingress.select do |standalone_ingress|
    standalone_ingress.fromPort != standalone_ingress.toPort
  end

  violating_security_groups.map(&:logical_resource_id) + violating_ingresses.map(&:logical_resource_id)
end

#rule_id ⇒ Object 



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# File 'lib/cfn-nag/custom_rules/SecurityGroupIngressPortRangeRule.rb', line 16

def rule_id
  'W27'
end

#rule_text ⇒ Object 



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# File 'lib/cfn-nag/custom_rules/SecurityGroupIngressPortRangeRule.rb', line 7

def rule_text
  'Security Groups found ingress with port range instead of just a single ' \
  'port'
end

#rule_type ⇒ Object 



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# File 'lib/cfn-nag/custom_rules/SecurityGroupIngressPortRangeRule.rb', line 12

def rule_type
  Violation::WARNING
end