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Allow non-mutal SSL connection #43

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Allow non-mutal SSL connection #43

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15 changes: 12 additions & 3 deletions lib/logstash/outputs/syslog.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,9 @@ class LogStash::Outputs::Syslog < LogStash::Outputs::Base
# The SSL CA certificate, chainfile or CA path. The system CA path is automatically included.
config :ssl_cacert, :validate => :path

# Do not perform TLS Mutal Authentication, only require a certificate for the client.
config :ssl_mutual, :validate => :boolean, :default => true

# SSL certificate path
config :ssl_cert, :validate => :path

Expand Down Expand Up @@ -226,8 +229,10 @@ def connect
def setup_ssl
require "openssl"
ssl_context = OpenSSL::SSL::SSLContext.new
ssl_context.cert = OpenSSL::X509::Certificate.new(File.read(@ssl_cert))
ssl_context.key = OpenSSL::PKey::RSA.new(File.read(@ssl_key),@ssl_key_passphrase)
if @ssl_mutal
ssl_context.cert = OpenSSL::X509::Certificate.new(File.read(@ssl_cert))
ssl_context.key = OpenSSL::PKey::RSA.new(File.read(@ssl_key),@ssl_key_passphrase)
end
if @ssl_verify
cert_store = OpenSSL::X509::Store.new
# Load the system default certificate path to the store
Expand All @@ -238,7 +243,11 @@ def setup_ssl
cert_store.add_file(@ssl_cacert)
end
ssl_context.cert_store = cert_store
ssl_context.verify_mode = OpenSSL::SSL::VERIFY_PEER|OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT
if @ssl_mutual
@ssl_context.verify_mode = OpenSSL::SSL::VERIFY_PEER|OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT
else
@ssl_context.verify_mode = OpenSSL::SSL::VERIFY_PEER
end
end
ssl_context
end
Expand Down