/
test_ssl.rb
1962 lines (1747 loc) · 64.5 KB
/
test_ssl.rb
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# frozen_string_literal: true
require_relative "utils"
if defined?(OpenSSL::SSL)
class OpenSSL::TestSSL < OpenSSL::SSLTestCase
def test_bad_socket
bad_socket = Struct.new(:sync).new
assert_raise TypeError do
socket = OpenSSL::SSL::SSLSocket.new bad_socket
# if the socket is not a T_FILE, `connect` will segv because it tries
# to get the underlying file descriptor but the API it calls assumes
# the object type is T_FILE
socket.connect
end
end
def test_ctx_options
ctx = OpenSSL::SSL::SSLContext.new
assert (OpenSSL::SSL::OP_ALL & ctx.options) == OpenSSL::SSL::OP_ALL,
"OP_ALL is set by default"
ctx.options = 4
assert_equal 4, ctx.options & 4
if ctx.options != 4
pend "SSL_CTX_set_options() seems to be modified by distributor"
end
ctx.options = nil
assert_equal OpenSSL::SSL::OP_ALL, ctx.options
assert_equal true, ctx.setup
assert_predicate ctx, :frozen?
assert_equal nil, ctx.setup
end
def test_ssl_with_server_cert
ctx_proc = -> ctx {
ctx.cert = @svr_cert
ctx.key = @svr_key
ctx.extra_chain_cert = [@ca_cert]
}
server_proc = -> (ctx, ssl) {
assert_equal @svr_cert.to_der, ssl.cert.to_der
assert_equal nil, ssl.peer_cert
readwrite_loop(ctx, ssl)
}
start_server(ctx_proc: ctx_proc, server_proc: server_proc) { |port|
begin
sock = TCPSocket.new("127.0.0.1", port)
ctx = OpenSSL::SSL::SSLContext.new
ssl = OpenSSL::SSL::SSLSocket.new(sock, ctx)
ssl.connect
assert_equal sock, ssl.io
assert_equal nil, ssl.cert
assert_equal @svr_cert.to_der, ssl.peer_cert.to_der
assert_equal 2, ssl.peer_cert_chain.size
assert_equal @svr_cert.to_der, ssl.peer_cert_chain[0].to_der
assert_equal @ca_cert.to_der, ssl.peer_cert_chain[1].to_der
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
ensure
ssl&.close
sock&.close
end
}
end
def test_socket_open
start_server { |port|
begin
ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port)
ssl.sync_close = true
ssl.connect
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
ensure
ssl&.close
end
}
end
def test_socket_open_with_context
start_server { |port|
begin
ctx = OpenSSL::SSL::SSLContext.new
ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port, context: ctx)
ssl.sync_close = true
ssl.connect
assert_equal ssl.context, ctx
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
ensure
ssl&.close
end
}
end
def test_socket_open_with_local_address_port_context
start_server { |port|
begin
# Guess a free port number
random_port = rand(49152..65535)
ctx = OpenSSL::SSL::SSLContext.new
ssl = OpenSSL::SSL::SSLSocket.open("127.0.0.1", port, "127.0.0.1", random_port, context: ctx)
ssl.sync_close = true
ssl.connect
assert_equal ctx, ssl.context
assert_equal random_port, ssl.io.local_address.ip_port
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
rescue Errno::EADDRINUSE, Errno::EACCES
ensure
ssl&.close
end
}
end
def test_add_certificate
ctx_proc = -> ctx {
# Unset values set by start_server
ctx.cert = ctx.key = ctx.extra_chain_cert = nil
ctx.add_certificate(@svr_cert, @svr_key, [@ca_cert]) # RSA
}
start_server(ctx_proc: ctx_proc) do |port|
server_connect(port) { |ssl|
assert_equal @svr_cert.subject, ssl.peer_cert.subject
assert_equal [@svr_cert.subject, @ca_cert.subject],
ssl.peer_cert_chain.map(&:subject)
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
}
end
end
def test_add_certificate_multiple_certs
ca2_key = Fixtures.pkey("rsa-3")
ca2_exts = [
["basicConstraints", "CA:TRUE", true],
["keyUsage", "cRLSign, keyCertSign", true],
]
ca2_dn = OpenSSL::X509::Name.parse_rfc2253("CN=CA2")
ca2_cert = issue_cert(ca2_dn, ca2_key, 123, ca2_exts, nil, nil)
ecdsa_key = Fixtures.pkey("p256")
exts = [
["keyUsage", "digitalSignature", false],
]
ecdsa_dn = OpenSSL::X509::Name.parse_rfc2253("CN=localhost2")
ecdsa_cert = issue_cert(ecdsa_dn, ecdsa_key, 456, exts, ca2_cert, ca2_key)
ctx_proc = -> ctx {
# Unset values set by start_server
ctx.cert = ctx.key = ctx.extra_chain_cert = nil
ctx.add_certificate(@svr_cert, @svr_key, [@ca_cert]) # RSA
ctx.add_certificate(ecdsa_cert, ecdsa_key, [ca2_cert])
}
start_server(ctx_proc: ctx_proc) do |port|
ctx = OpenSSL::SSL::SSLContext.new
ctx.max_version = :TLS1_2 # TODO: We need this to force certificate type
ctx.ciphers = "aECDSA"
server_connect(port, ctx) { |ssl|
assert_equal ecdsa_cert.subject, ssl.peer_cert.subject
assert_equal [ecdsa_cert.subject, ca2_cert.subject],
ssl.peer_cert_chain.map(&:subject)
}
ctx = OpenSSL::SSL::SSLContext.new
ctx.max_version = :TLS1_2
ctx.ciphers = "aRSA"
server_connect(port, ctx) { |ssl|
assert_equal @svr_cert.subject, ssl.peer_cert.subject
assert_equal [@svr_cert.subject, @ca_cert.subject],
ssl.peer_cert_chain.map(&:subject)
}
end
end
def test_sysread_and_syswrite
start_server { |port|
server_connect(port) { |ssl|
str = +("x" * 100 + "\n")
ssl.syswrite(str)
newstr = ssl.sysread(str.bytesize)
assert_equal(str, newstr)
buf = String.new
ssl.syswrite(str)
assert_same buf, ssl.sysread(str.size, buf)
assert_equal(str, buf)
}
}
end
def test_read_with_timeout
omit "does not support timeout" unless IO.method_defined?(:timeout)
start_server do |port|
server_connect(port) do |ssl|
str = +("x" * 100 + "\n")
ssl.syswrite(str)
assert_equal(str, ssl.sysread(str.bytesize))
ssl.timeout = 1
assert_raise(IO::TimeoutError) {ssl.read(1)}
ssl.syswrite(str)
assert_equal(str, ssl.sysread(str.bytesize))
end
end
end
def test_getbyte
start_server { |port|
server_connect(port) { |ssl|
str = +("x" * 100 + "\n")
ssl.syswrite(str)
newstr = str.bytesize.times.map { |i|
ssl.getbyte
}.pack("C*")
assert_equal(str, newstr)
}
}
end
def test_sync_close
start_server do |port|
begin
sock = TCPSocket.new("127.0.0.1", port)
ssl = OpenSSL::SSL::SSLSocket.new(sock)
ssl.connect
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
ssl.close
assert_not_predicate sock, :closed?
ensure
sock&.close
end
begin
sock = TCPSocket.new("127.0.0.1", port)
ssl = OpenSSL::SSL::SSLSocket.new(sock)
ssl.sync_close = true # !!
ssl.connect
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
ssl.close
assert_predicate sock, :closed?
ensure
sock&.close
end
end
end
def test_copy_stream
start_server do |port|
server_connect(port) do |ssl|
IO.pipe do |r, w|
str = "hello world\n"
w.write(str)
IO.copy_stream(r, ssl, str.bytesize)
IO.copy_stream(ssl, w, str.bytesize)
assert_equal str, r.read(str.bytesize)
end
end
end
end
def test_verify_mode_default
ctx = OpenSSL::SSL::SSLContext.new
assert_equal OpenSSL::SSL::VERIFY_NONE, ctx.verify_mode
end
def test_verify_mode_server_cert
start_server(ignore_listener_error: true) { |port|
populated_store = OpenSSL::X509::Store.new
populated_store.add_cert(@ca_cert)
empty_store = OpenSSL::X509::Store.new
# Valid certificate, SSL_VERIFY_PEER
assert_nothing_raised {
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
ctx.cert_store = populated_store
server_connect(port, ctx) { |ssl| ssl.puts("abc"); ssl.gets }
}
# Invalid certificate, SSL_VERIFY_NONE
assert_nothing_raised {
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_NONE
ctx.cert_store = empty_store
server_connect(port, ctx) { |ssl| ssl.puts("abc"); ssl.gets }
}
# Invalid certificate, SSL_VERIFY_PEER
assert_handshake_error {
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
ctx.cert_store = empty_store
server_connect(port, ctx) { |ssl| ssl.puts("abc"); ssl.gets }
}
}
end
def test_verify_mode_client_cert_required
# Optional, client certificate not supplied
vflag = OpenSSL::SSL::VERIFY_PEER
accept_proc = -> ssl {
assert_equal nil, ssl.peer_cert
}
start_server(verify_mode: vflag, accept_proc: accept_proc) { |port|
assert_nothing_raised {
server_connect(port) { |ssl| ssl.puts("abc"); ssl.gets }
}
}
# Required, client certificate not supplied
vflag = OpenSSL::SSL::VERIFY_PEER|OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT
start_server(verify_mode: vflag, ignore_listener_error: true) { |port|
assert_handshake_error {
server_connect(port) { |ssl| ssl.puts("abc"); ssl.gets }
}
}
end
def test_client_auth_success
vflag = OpenSSL::SSL::VERIFY_PEER|OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT
start_server(verify_mode: vflag,
ctx_proc: proc { |ctx|
ctx.max_version = OpenSSL::SSL::TLS1_2_VERSION if libressl?(3, 2, 0)
}) { |port|
ctx = OpenSSL::SSL::SSLContext.new
ctx.key = @cli_key
ctx.cert = @cli_cert
server_connect(port, ctx) { |ssl|
ssl.puts("foo")
assert_equal("foo\n", ssl.gets)
}
called = nil
ctx = OpenSSL::SSL::SSLContext.new
ctx.client_cert_cb = Proc.new{ |sslconn|
called = true
[@cli_cert, @cli_key]
}
server_connect(port, ctx) { |ssl|
assert(called)
ssl.puts("foo")
assert_equal("foo\n", ssl.gets)
}
}
end
def test_client_cert_cb_ignore_error
vflag = OpenSSL::SSL::VERIFY_PEER|OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT
start_server(verify_mode: vflag, ignore_listener_error: true) do |port|
ctx = OpenSSL::SSL::SSLContext.new
ctx.client_cert_cb = -> ssl {
raise "exception in client_cert_cb must be suppressed"
}
# 1. Exception in client_cert_cb is suppressed
# 2. No client certificate will be sent to the server
# 3. SSL_VERIFY_FAIL_IF_NO_PEER_CERT causes the handshake to fail
assert_handshake_error {
server_connect(port, ctx) { |ssl| ssl.puts("abc"); ssl.gets }
}
end
end
def test_client_ca
pend "LibreSSL 3.2 has broken client CA support" if libressl?(3, 2, 0)
ctx_proc = Proc.new do |ctx|
ctx.client_ca = [@ca_cert]
end
vflag = OpenSSL::SSL::VERIFY_PEER|OpenSSL::SSL::VERIFY_FAIL_IF_NO_PEER_CERT
start_server(verify_mode: vflag, ctx_proc: ctx_proc) { |port|
ctx = OpenSSL::SSL::SSLContext.new
client_ca_from_server = nil
ctx.client_cert_cb = Proc.new do |sslconn|
client_ca_from_server = sslconn.client_ca
[@cli_cert, @cli_key]
end
server_connect(port, ctx) { |ssl|
assert_equal([@ca], client_ca_from_server)
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
}
}
end
def test_unstarted_session
start_server do |port|
sock = TCPSocket.new("127.0.0.1", port)
ssl = OpenSSL::SSL::SSLSocket.new(sock)
assert_raise(OpenSSL::SSL::SSLError) { ssl.syswrite("data") }
assert_raise(OpenSSL::SSL::SSLError) { ssl.sysread(1) }
ssl.connect
ssl.puts "abc"
assert_equal "abc\n", ssl.gets
ensure
ssl&.close
sock&.close
end
end
def test_parallel
start_server { |port|
ssls = []
10.times{
sock = TCPSocket.new("127.0.0.1", port)
ssl = OpenSSL::SSL::SSLSocket.new(sock)
ssl.connect
ssl.sync_close = true
ssls << ssl
}
str = "x" * 1000 + "\n"
ITERATIONS.times{
ssls.each{|ssl|
ssl.puts(str)
assert_equal(str, ssl.gets)
}
}
ssls.each{|ssl| ssl.close }
}
end
def test_verify_result
start_server(ignore_listener_error: true) { |port|
sock = TCPSocket.new("127.0.0.1", port)
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
ssl = OpenSSL::SSL::SSLSocket.new(sock, ctx)
ssl.sync_close = true
begin
assert_raise(OpenSSL::SSL::SSLError){ ssl.connect }
assert_equal(OpenSSL::X509::V_ERR_SELF_SIGNED_CERT_IN_CHAIN, ssl.verify_result)
ensure
ssl.close
end
}
start_server { |port|
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
ctx.verify_callback = Proc.new do |preverify_ok, store_ctx|
store_ctx.error = OpenSSL::X509::V_OK
true
end
server_connect(port, ctx) { |ssl|
assert_equal(OpenSSL::X509::V_OK, ssl.verify_result)
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
}
}
start_server(ignore_listener_error: true) { |port|
sock = TCPSocket.new("127.0.0.1", port)
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
ctx.verify_callback = Proc.new do |preverify_ok, store_ctx|
store_ctx.error = OpenSSL::X509::V_ERR_APPLICATION_VERIFICATION
false
end
ssl = OpenSSL::SSL::SSLSocket.new(sock, ctx)
ssl.sync_close = true
begin
assert_raise(OpenSSL::SSL::SSLError){ ssl.connect }
assert_equal(OpenSSL::X509::V_ERR_APPLICATION_VERIFICATION, ssl.verify_result)
ensure
ssl.close
end
}
end
def test_exception_in_verify_callback_is_ignored
start_server(ignore_listener_error: true) { |port|
sock = TCPSocket.new("127.0.0.1", port)
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
ctx.verify_callback = Proc.new do |preverify_ok, store_ctx|
store_ctx.error = OpenSSL::X509::V_OK
raise RuntimeError
end
ssl = OpenSSL::SSL::SSLSocket.new(sock, ctx)
ssl.sync_close = true
begin
EnvUtil.suppress_warning do
# SSLError, not RuntimeError
assert_raise(OpenSSL::SSL::SSLError) { ssl.connect }
end
assert_equal(OpenSSL::X509::V_ERR_CERT_REJECTED, ssl.verify_result)
ensure
ssl.close
end
}
end
def test_ca_file
start_server(ignore_listener_error: true) { |port|
# X509_STORE is shared; setting ca_file to SSLContext affects store
store = OpenSSL::X509::Store.new
assert_equal false, store.verify(@svr_cert)
ctx = Tempfile.create("ca_cert.pem") { |f|
f.puts(@ca_cert.to_pem)
f.close
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_PEER
ctx.cert_store = store
ctx.ca_file = f.path
ctx.setup
ctx
}
assert_nothing_raised {
server_connect(port, ctx) { |ssl| ssl.puts("abc"); ssl.gets }
}
assert_equal true, store.verify(@svr_cert)
}
end
def test_ca_file_not_found
path = Tempfile.create("ca_cert.pem") { |f| f.path }
ctx = OpenSSL::SSL::SSLContext.new
ctx.ca_file = path
# OpenSSL >= 1.1.0: /no certificate or crl found/
assert_raise(OpenSSL::SSL::SSLError) {
ctx.setup
}
end
def test_finished_messages
server_finished = nil
server_peer_finished = nil
client_finished = nil
client_peer_finished = nil
start_server(accept_proc: proc { |server|
server_finished = server.finished_message
server_peer_finished = server.peer_finished_message
}, ctx_proc: proc { |ctx|
ctx.max_version = OpenSSL::SSL::TLS1_2_VERSION if libressl?(3, 2, 0)
}) { |port|
ctx = OpenSSL::SSL::SSLContext.new
ctx.verify_mode = OpenSSL::SSL::VERIFY_NONE
ctx.max_version = :TLS1_2 if libressl?(3, 2, 0) && !libressl?(3, 3, 0)
server_connect(port, ctx) { |ssl|
ssl.puts "abc"; ssl.gets
client_finished = ssl.finished_message
client_peer_finished = ssl.peer_finished_message
}
}
assert_not_nil(server_finished)
assert_not_nil(client_finished)
assert_equal(server_finished, client_peer_finished)
assert_equal(server_peer_finished, client_finished)
end
def test_sslctx_set_params
ctx = OpenSSL::SSL::SSLContext.new
ctx.set_params
assert_equal OpenSSL::SSL::VERIFY_PEER, ctx.verify_mode
ciphers_names = ctx.ciphers.collect{|v, _, _, _| v }
assert ciphers_names.all?{|v| /A(EC)?DH/ !~ v }, "anon ciphers are disabled"
assert ciphers_names.all?{|v| /(RC4|MD5|EXP|DES(?!-EDE|-CBC3))/ !~ v }, "weak ciphers are disabled"
assert_equal 0, ctx.options & OpenSSL::SSL::OP_DONT_INSERT_EMPTY_FRAGMENTS
assert_equal OpenSSL::SSL::OP_NO_COMPRESSION,
ctx.options & OpenSSL::SSL::OP_NO_COMPRESSION
end
def test_post_connect_check_with_anon_ciphers
ctx_proc = -> ctx {
ctx.ssl_version = :TLSv1_2
ctx.ciphers = "aNULL"
ctx.tmp_dh = Fixtures.pkey("dh-1")
ctx.security_level = 0
}
start_server(ctx_proc: ctx_proc) { |port|
ctx = OpenSSL::SSL::SSLContext.new
ctx.ssl_version = :TLSv1_2
ctx.ciphers = "aNULL"
ctx.security_level = 0
server_connect(port, ctx) { |ssl|
assert_raise_with_message(OpenSSL::SSL::SSLError, /anonymous cipher suite/i) {
ssl.post_connection_check("localhost.localdomain")
}
}
}
end
def test_post_connection_check
sslerr = OpenSSL::SSL::SSLError
start_server { |port|
server_connect(port) { |ssl|
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
assert_raise(sslerr){ssl.post_connection_check("localhost.localdomain")}
assert_raise(sslerr){ssl.post_connection_check("127.0.0.1")}
assert(ssl.post_connection_check("localhost"))
assert_raise(sslerr){ssl.post_connection_check("foo.example.com")}
cert = ssl.peer_cert
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "localhost.localdomain"))
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "127.0.0.1"))
assert(OpenSSL::SSL.verify_certificate_identity(cert, "localhost"))
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "foo.example.com"))
}
}
exts = [
["keyUsage","keyEncipherment,digitalSignature",true],
["subjectAltName","DNS:localhost.localdomain,IP:127.0.0.1",false],
]
@svr_cert = issue_cert(@svr, @svr_key, 4, exts, @ca_cert, @ca_key)
start_server { |port|
server_connect(port) { |ssl|
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
assert(ssl.post_connection_check("localhost.localdomain"))
assert(ssl.post_connection_check("127.0.0.1"))
assert_raise(sslerr){ssl.post_connection_check("localhost")}
assert_raise(sslerr){ssl.post_connection_check("foo.example.com")}
cert = ssl.peer_cert
assert(OpenSSL::SSL.verify_certificate_identity(cert, "localhost.localdomain"))
assert(OpenSSL::SSL.verify_certificate_identity(cert, "127.0.0.1"))
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "localhost"))
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "foo.example.com"))
}
}
exts = [
["keyUsage","keyEncipherment,digitalSignature",true],
["subjectAltName","DNS:*.localdomain",false],
]
@svr_cert = issue_cert(@svr, @svr_key, 5, exts, @ca_cert, @ca_key)
start_server { |port|
server_connect(port) { |ssl|
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
assert(ssl.post_connection_check("localhost.localdomain"))
assert_raise(sslerr){ssl.post_connection_check("127.0.0.1")}
assert_raise(sslerr){ssl.post_connection_check("localhost")}
assert_raise(sslerr){ssl.post_connection_check("foo.example.com")}
cert = ssl.peer_cert
assert(OpenSSL::SSL.verify_certificate_identity(cert, "localhost.localdomain"))
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "127.0.0.1"))
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "localhost"))
assert(!OpenSSL::SSL.verify_certificate_identity(cert, "foo.example.com"))
}
}
end
def test_verify_certificate_identity
[true, false].each do |criticality|
cert = create_null_byte_SAN_certificate(criticality)
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(cert, 'www.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(cert, "www.example.com\0.evil.com"))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(cert, '192.168.7.255'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(cert, '192.168.7.1'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(cert, '13::17'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(cert, '13::18'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(cert, '13:0:0:0:0:0:0:17'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(cert, '44:0:0:0:0:0:0:17'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(cert, '0013:0000:0000:0000:0000:0000:0000:0017'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(cert, '1313:0000:0000:0000:0000:0000:0000:0017'))
end
end
def test_verify_hostname
assert_equal(true, OpenSSL::SSL.verify_hostname("www.example.com", "*.example.com"))
assert_equal(false, OpenSSL::SSL.verify_hostname("www.subdomain.example.com", "*.example.com"))
end
def test_verify_wildcard
assert_equal(false, OpenSSL::SSL.verify_wildcard("foo", "x*"))
assert_equal(true, OpenSSL::SSL.verify_wildcard("foo", "foo"))
assert_equal(true, OpenSSL::SSL.verify_wildcard("foo", "f*"))
assert_equal(true, OpenSSL::SSL.verify_wildcard("foo", "*"))
assert_equal(false, OpenSSL::SSL.verify_wildcard("abc*bcd", "abcd"))
assert_equal(false, OpenSSL::SSL.verify_wildcard("xn--qdk4b9b", "x*"))
assert_equal(false, OpenSSL::SSL.verify_wildcard("xn--qdk4b9b", "*--qdk4b9b"))
assert_equal(true, OpenSSL::SSL.verify_wildcard("xn--qdk4b9b", "xn--qdk4b9b"))
end
# Comments in this test is excerpted from https://www.rfc-editor.org/rfc/rfc6125#page-27
def test_post_connection_check_wildcard_san
# case-insensitive ASCII comparison
# RFC 6125, section 6.4.1
#
# "..matching of the reference identifier against the presented identifier
# is performed by comparing the set of domain name labels using a
# case-insensitive ASCII comparison, as clarified by [DNS-CASE] (e.g.,
# "WWW.Example.Com" would be lower-cased to "www.example.com" for
# comparison purposes)
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*.example.com'), 'www.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*.Example.COM'), 'www.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*.example.com'), 'WWW.Example.COM'))
# 1. The client SHOULD NOT attempt to match a presented identifier in
# which the wildcard character comprises a label other than the
# left-most label (e.g., do not match bar.*.example.net).
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:www.*.com'), 'www.example.com'))
# 2. If the wildcard character is the only character of the left-most
# label in the presented identifier, the client SHOULD NOT compare
# against anything but the left-most label of the reference
# identifier (e.g., *.example.com would match foo.example.com but
# not bar.foo.example.com or example.com).
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*.example.com'), 'foo.example.com'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*.example.com'), 'bar.foo.example.com'))
# 3. The client MAY match a presented identifier in which the wildcard
# character is not the only character of the label (e.g.,
# baz*.example.net and *baz.example.net and b*z.example.net would
# be taken to match baz1.example.net and foobaz.example.net and
# buzz.example.net, respectively). ...
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:baz*.example.com'), 'baz1.example.com'))
# LibreSSL 3.5.0+ doesn't support other wildcard certificates
# (it isn't required to, as RFC states MAY, not MUST)
return if libressl?(3, 5, 0)
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*baz.example.com'), 'foobaz.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:b*z.example.com'), 'buzz.example.com'))
# Section 6.4.3 of RFC6125 states that client should NOT match identifier
# where wildcard is other than left-most label.
#
# Also implicitly mentions the wildcard character only in singular form,
# and discourages matching against more than one wildcard.
#
# See RFC 6125, section 7.2, subitem 2.
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*b*.example.com'), 'abc.example.com'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*b*.example.com'), 'ab.example.com'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:*b*.example.com'), 'bc.example.com'))
# ... However, the client SHOULD NOT
# attempt to match a presented identifier where the wildcard
# character is embedded within an A-label or U-label [IDNA-DEFS] of
# an internationalized domain name [IDNA-PROTO].
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:xn*.example.com'), 'xn1ca.example.com'))
# part of A-label
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:xn--*.example.com'), 'xn--1ca.example.com'))
# part of U-label
# dNSName in RFC5280 is an IA5String so U-label should NOT be allowed
# regardless of wildcard.
#
# See Section 7.2 of RFC 5280:
# IA5String is limited to the set of ASCII characters.
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_san('DNS:á*.example.com'), 'á1.example.com'))
end
def test_post_connection_check_wildcard_cn
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*.example.com'), 'www.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*.Example.COM'), 'www.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*.example.com'), 'WWW.Example.COM'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('www.*.com'), 'www.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*.example.com'), 'foo.example.com'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*.example.com'), 'bar.foo.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('baz*.example.com'), 'baz1.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*baz.example.com'), 'foobaz.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('b*z.example.com'), 'buzz.example.com'))
# Section 6.4.3 of RFC6125 states that client should NOT match identifier
# where wildcard is other than left-most label.
#
# Also implicitly mentions the wildcard character only in singular form,
# and discourages matching against more than one wildcard.
#
# See RFC 6125, section 7.2, subitem 2.
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*b*.example.com'), 'abc.example.com'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*b*.example.com'), 'ab.example.com'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('*b*.example.com'), 'bc.example.com'))
assert_equal(true, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('xn*.example.com'), 'xn1ca.example.com'))
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('xn--*.example.com'), 'xn--1ca.example.com'))
# part of U-label
# Subject in RFC5280 states case-insensitive ASCII comparison.
#
# See Section 7.2 of RFC 5280:
# IA5String is limited to the set of ASCII characters.
assert_equal(false, OpenSSL::SSL.verify_certificate_identity(
create_cert_with_name('á*.example.com'), 'á1.example.com'))
end
def create_cert_with_san(san)
ef = OpenSSL::X509::ExtensionFactory.new
cert = OpenSSL::X509::Certificate.new
cert.subject = OpenSSL::X509::Name.parse("/DC=some/DC=site/CN=Some Site")
ext = ef.create_ext('subjectAltName', san)
cert.add_extension(ext)
cert
end
def create_cert_with_name(name)
cert = OpenSSL::X509::Certificate.new
cert.subject = OpenSSL::X509::Name.new([['DC', 'some'], ['DC', 'site'], ['CN', name]])
cert
end
# Create NULL byte SAN certificate
def create_null_byte_SAN_certificate(critical = false)
ef = OpenSSL::X509::ExtensionFactory.new
cert = OpenSSL::X509::Certificate.new
cert.subject = OpenSSL::X509::Name.parse "/DC=some/DC=site/CN=Some Site"
ext = ef.create_ext('subjectAltName', 'DNS:placeholder,IP:192.168.7.1,IP:13::17', critical)
ext_asn1 = OpenSSL::ASN1.decode(ext.to_der)
san_list_der = ext_asn1.value.reduce(nil) { |memo,val| val.tag == 4 ? val.value : memo }
san_list_asn1 = OpenSSL::ASN1.decode(san_list_der)
san_list_asn1.value[0].value = "www.example.com\0.evil.com"
pos = critical ? 2 : 1
ext_asn1.value[pos].value = san_list_asn1.to_der
real_ext = OpenSSL::X509::Extension.new ext_asn1
cert.add_extension(real_ext)
cert
end
def socketpair
if defined? UNIXSocket
UNIXSocket.pair
else
Socket.pair(Socket::AF_INET, Socket::SOCK_STREAM, 0)
end
end
def test_keylog_cb
pend "Keylog callback is not supported" if !openssl?(1, 1, 1) || libressl?
prefix = 'CLIENT_RANDOM'
context = OpenSSL::SSL::SSLContext.new
context.min_version = context.max_version = OpenSSL::SSL::TLS1_2_VERSION
cb_called = false
context.keylog_cb = proc do |_sock, line|
cb_called = true
assert_equal(prefix, line.split.first)
end
start_server do |port|
server_connect(port, context) do |ssl|
ssl.puts "abc"
assert_equal("abc\n", ssl.gets)
assert_equal(true, cb_called)
end
end
if tls13_supported?
prefixes = [
'SERVER_HANDSHAKE_TRAFFIC_SECRET',
'EXPORTER_SECRET',
'SERVER_TRAFFIC_SECRET_0',
'CLIENT_HANDSHAKE_TRAFFIC_SECRET',
'CLIENT_TRAFFIC_SECRET_0',
]
context = OpenSSL::SSL::SSLContext.new
context.min_version = context.max_version = OpenSSL::SSL::TLS1_3_VERSION
cb_called = false
context.keylog_cb = proc do |_sock, line|
cb_called = true
assert_not_nil(prefixes.delete(line.split.first))
end
start_server do |port|
server_connect(port, context) do |ssl|
ssl.puts "abc"
assert_equal("abc\n", ssl.gets)
assert_equal(true, cb_called)
end
assert_equal(0, prefixes.size)
end
end
end
def test_tlsext_hostname
fooctx = OpenSSL::SSL::SSLContext.new
fooctx.cert = @cli_cert
fooctx.key = @cli_key
ctx_proc = proc { |ctx|
ctx.servername_cb = proc { |ssl, servername|
case servername
when "foo.example.com"
fooctx
when "bar.example.com"
nil
else
raise "unreachable"
end
}
}
start_server(ctx_proc: ctx_proc) do |port|
sock = TCPSocket.new("127.0.0.1", port)
begin
ssl = OpenSSL::SSL::SSLSocket.new(sock)
ssl.hostname = "foo.example.com"
ssl.connect
assert_equal @cli_cert.serial, ssl.peer_cert.serial
assert_predicate fooctx, :frozen?
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
ensure
ssl&.close
sock.close
end
sock = TCPSocket.new("127.0.0.1", port)
begin
ssl = OpenSSL::SSL::SSLSocket.new(sock)
ssl.hostname = "bar.example.com"
ssl.connect
assert_equal @svr_cert.serial, ssl.peer_cert.serial
ssl.puts "abc"; assert_equal "abc\n", ssl.gets
ensure
ssl&.close
sock.close
end
end
end
def test_servername_cb_raises_an_exception_on_unknown_objects
hostname = 'example.org'
ctx2 = OpenSSL::SSL::SSLContext.new
ctx2.cert = @svr_cert
ctx2.key = @svr_key
ctx2.servername_cb = lambda { |args| Object.new }
sock1, sock2 = socketpair
s2 = OpenSSL::SSL::SSLSocket.new(sock2, ctx2)
ctx1 = OpenSSL::SSL::SSLContext.new
s1 = OpenSSL::SSL::SSLSocket.new(sock1, ctx1)
s1.hostname = hostname
t = Thread.new {
assert_raise(OpenSSL::SSL::SSLError) do
s1.connect
end
}
assert_raise(ArgumentError) do
s2.accept
end
assert t.join
ensure
sock1.close if sock1
sock2.close if sock2
end
def test_accept_errors_include_peeraddr
context = OpenSSL::SSL::SSLContext.new
context.cert = @svr_cert
context.key = @svr_key
server = TCPServer.new("127.0.0.1", 0)
port = server.connect_address.ip_port
ssl_server = OpenSSL::SSL::SSLServer.new(server, context)
t = Thread.new do
assert_raise_with_message(OpenSSL::SSL::SSLError, /peeraddr=127\.0\.0\.1/) do
ssl_server.accept
end
end