Puppet Function: ssl_ciphersuite
- Defined in:
- modules/wmflib/lib/puppet/parser/functions/ssl_ciphersuite.rb
- Function type:
- Ruby 3.x API
Overview
Outputs the ssl configuration part of the webserver config. Function parameters are:
server - either nginx or apache
encryption_type - strong, mid, or compat
hsts - optional boolean, true emits our standard public HSTS
Examples:
ssl_ciphersuite('apache', 'compat', true) # Compatible config for apache
ssl_ciphersuite('apache', 'mid', true) # FS-only for apache
ssl_ciphersuite('nginx', 'strong', true) # FS-only, AEAD-only, TLSv1.2-only
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# File 'modules/wmflib/lib/puppet/parser/functions/ssl_ciphersuite.rb', line 118 newfunction( :ssl_ciphersuite, :type => :rvalue, :doc => <<-END Outputs the ssl configuration part of the webserver config. Function parameters are: server - either nginx or apache encryption_type - strong, mid, or compat hsts - optional boolean, true emits our standard public HSTS Examples: ssl_ciphersuite('apache', 'compat', true) # Compatible config for apache ssl_ciphersuite('apache', 'mid', true) # FS-only for apache ssl_ciphersuite('nginx', 'strong', true) # FS-only, AEAD-only, TLSv1.2-only END ) do |args| Puppet::Parser::Functions.function(:notice) os_major_release = lookupvar('operatingsystemmajrelease').to_i if args.length < 2 || args.length > 3 fail(ArgumentError, 'ssl_ciphersuite() requires at least 2 arguments') end server = args.shift if server != 'apache' && server != 'nginx' fail(ArgumentError, "ssl_ciphersuite(): unknown server string '#{server}'") end ciphersuite = args.shift unless ciphersuites.key?(ciphersuite) fail(ArgumentError, "ssl_ciphersuite(): unknown ciphersuite '#{ciphersuite}'") end do_hsts = false if args.length == 1 do_hsts = args.shift end # OS / Server -dependant feature flags: tls1_3 = os_major_release > 9 cipherlist = ciphersuites[ciphersuite].join(":") output = [] if server == 'apache' if tls1_3 cipherlist = ciphersuites[ciphersuite].reject{|x| x =~ /^TLS_/}.join(':') cipherlist_tls1_3 = ciphersuites[ciphersuite].reject{|x| x !~ /^TLS_/}.join(':') end if ciphersuite == 'compat' output.push('SSLProtocol all -SSLv2 -SSLv3') else output.push('SSLProtocol all -SSLv2 -SSLv3 -TLSv1 -TLSv1.1') end output.push("SSLCipherSuite #{cipherlist}") if tls1_3 output.push("SSLCipherSuite TLSv1.3 #{cipherlist_tls1_3}") end # Note: missing config to restrict ECDH curves output.push('SSLHonorCipherOrder On') output.push('SSLOpenSSLConfCmd DHParameters "/etc/ssl/dhparam.pem"') if do_hsts output.push("Header always set Strict-Transport-Security \"#{hsts_val}\"") end else # nginx compat_protocols = 'TLSv1 TLSv1.1 TLSv1.2' protocols = 'TLSv1.2' if tls1_3 compat_protocols += ' TLSv1.3' protocols += ' TLSv1.3' end if ciphersuite == 'compat' output.push("ssl_protocols #{compat_protocols};") else output.push("ssl_protocols #{protocols};") end output.push("ssl_ciphers #{cipherlist};") output.push("ssl_ecdh_curve X25519:prime256v1;") output.push('ssl_prefer_server_ciphers on;') output.push('ssl_dhparam /etc/ssl/dhparam.pem;') if do_hsts output.push("add_header Strict-Transport-Security \"#{hsts_val}\" always;") end end return output end |