From f464ded0ae4a4c203a5d01755be84c3e81042e19 Mon Sep 17 00:00:00 2001 From: Magnus Henoch Date: Thu, 4 Feb 2016 14:36:09 +0000 Subject: TLS distribution: crl_check and crl_cache options Allow specifying the crl_check and crl_cache options for TLS distribution connections. --- lib/ssl/doc/src/ssl_distribution.xml | 2 + lib/ssl/src/ssl_tls_dist_proxy.erl | 8 ++ lib/ssl/test/ssl_dist_SUITE.erl | 176 ++++++++++++++++++++++++++++++++++- 3 files changed, 183 insertions(+), 3 deletions(-) (limited to 'lib') diff --git a/lib/ssl/doc/src/ssl_distribution.xml b/lib/ssl/doc/src/ssl_distribution.xml index db867ea74b..b2e633a814 100644 --- a/lib/ssl/doc/src/ssl_distribution.xml +++ b/lib/ssl/doc/src/ssl_distribution.xml @@ -197,6 +197,8 @@ Eshell V5.0 (abort with ^G) cacertfile verify verify_fun (write as {Module, Function, InitialUserState}) + crl_check + crl_cache (write as Erlang term) reuse_sessions secure_renegotiate depth diff --git a/lib/ssl/src/ssl_tls_dist_proxy.erl b/lib/ssl/src/ssl_tls_dist_proxy.erl index 33204aa881..3bffc7a862 100644 --- a/lib/ssl/src/ssl_tls_dist_proxy.erl +++ b/lib/ssl/src/ssl_tls_dist_proxy.erl @@ -400,6 +400,14 @@ ssl_options(server, ["server_verify_fun", Value|T]) -> [{verify_fun, verify_fun(Value)} | ssl_options(server,T)]; ssl_options(client, ["client_verify_fun", Value|T]) -> [{verify_fun, verify_fun(Value)} | ssl_options(client,T)]; +ssl_options(server, ["server_crl_check", Value|T]) -> + [{crl_check, atomize(Value)} | ssl_options(server,T)]; +ssl_options(client, ["client_crl_check", Value|T]) -> + [{crl_check, atomize(Value)} | ssl_options(client,T)]; +ssl_options(server, ["server_crl_cache", Value|T]) -> + [{crl_cache, termify(Value)} | ssl_options(server,T)]; +ssl_options(client, ["client_crl_cache", Value|T]) -> + [{crl_cache, termify(Value)} | ssl_options(client,T)]; ssl_options(server, ["server_reuse_sessions", Value|T]) -> [{reuse_sessions, atomize(Value)} | ssl_options(server,T)]; ssl_options(client, ["client_reuse_sessions", Value|T]) -> diff --git a/lib/ssl/test/ssl_dist_SUITE.erl b/lib/ssl/test/ssl_dist_SUITE.erl index b07be0dcad..a7cb5576ed 100644 --- a/lib/ssl/test/ssl_dist_SUITE.erl +++ b/lib/ssl/test/ssl_dist_SUITE.erl @@ -21,6 +21,7 @@ -module(ssl_dist_SUITE). -include_lib("common_test/include/ct.hrl"). +-include_lib("public_key/include/public_key.hrl"). %% Note: This directive should only be used in test suites. -compile(export_all). @@ -42,7 +43,8 @@ all() -> [basic, payload, plain_options, plain_verify_options, nodelay_option, listen_port_options, listen_options, connect_options, use_interface, - verify_fun_fail, verify_fun_pass]. + verify_fun_fail, verify_fun_pass, crl_check_pass, crl_check_fail, + crl_check_best_effort, crl_cache_check_pass, crl_cache_check_fail]. groups() -> []. @@ -491,6 +493,161 @@ verify_pass_always(_Certificate, _Event, State) -> ets:new(verify_fun_ran, [public, named_table, {heir, whereis(ssl_tls_dist_proxy), {}}]), ets:insert(verify_fun_ran, {verify_pass_always_ran, true}), {valid, State}. +%%-------------------------------------------------------------------- +crl_check_pass() -> + [{doc,"Test crl_check with non-revoked certificate"}]. +crl_check_pass(Config) when is_list(Config) -> + DistOpts = "-ssl_dist_opt client_crl_check true", + NewConfig = + [{many_verify_opts, true}, {additional_dist_opts, DistOpts}] ++ Config, + + NH1 = start_ssl_node(NewConfig), + Node1 = NH1#node_handle.nodename, + NH2 = start_ssl_node(NewConfig), + Node2 = NH2#node_handle.nodename, + + PrivDir = ?config(priv_dir, Config), + cache_crls_on_ssl_nodes(PrivDir, ["erlangCA", "otpCA"], [NH1, NH2]), + + %% The server's certificate is not revoked, so connection succeeds. + pong = apply_on_ssl_node(NH1, fun () -> net_adm:ping(Node2) end), + + [Node2] = apply_on_ssl_node(NH1, fun () -> nodes() end), + [Node1] = apply_on_ssl_node(NH2, fun () -> nodes() end), + + stop_ssl_node(NH1), + stop_ssl_node(NH2), + success(Config). + +%%-------------------------------------------------------------------- +crl_check_fail() -> + [{doc,"Test crl_check with revoked certificate"}]. +crl_check_fail(Config) when is_list(Config) -> + DistOpts = "-ssl_dist_opt client_crl_check true", + NewConfig = + [{many_verify_opts, true}, + %% The server uses a revoked certificate. + {server_cert_dir, "revoked"}, + {additional_dist_opts, DistOpts}] ++ Config, + + NH1 = start_ssl_node(NewConfig), + %%Node1 = NH1#node_handle.nodename, + NH2 = start_ssl_node(NewConfig), + Node2 = NH2#node_handle.nodename, + + PrivDir = ?config(priv_dir, Config), + cache_crls_on_ssl_nodes(PrivDir, ["erlangCA", "otpCA"], [NH1, NH2]), + + %% The server's certificate is revoked, so connection fails. + pang = apply_on_ssl_node(NH1, fun () -> net_adm:ping(Node2) end), + + [] = apply_on_ssl_node(NH1, fun () -> nodes() end), + [] = apply_on_ssl_node(NH2, fun () -> nodes() end), + + stop_ssl_node(NH1), + stop_ssl_node(NH2), + success(Config). + +%%-------------------------------------------------------------------- +crl_check_best_effort() -> + [{doc,"Test specifying crl_check as best_effort"}]. +crl_check_best_effort(Config) when is_list(Config) -> + DistOpts = "-ssl_dist_opt " + "server_verify verify_peer server_crl_check best_effort", + NewConfig = + [{many_verify_opts, true}, {additional_dist_opts, DistOpts}] ++ Config, + + %% We don't have the correct CRL at hand, but since crl_check is + %% best_effort, we accept it anyway. + NH1 = start_ssl_node(NewConfig), + Node1 = NH1#node_handle.nodename, + NH2 = start_ssl_node(NewConfig), + Node2 = NH2#node_handle.nodename, + + pong = apply_on_ssl_node(NH1, fun () -> net_adm:ping(Node2) end), + + [Node2] = apply_on_ssl_node(NH1, fun () -> nodes() end), + [Node1] = apply_on_ssl_node(NH2, fun () -> nodes() end), + + stop_ssl_node(NH1), + stop_ssl_node(NH2), + success(Config). + +%%-------------------------------------------------------------------- +crl_cache_check_pass() -> + [{doc,"Test specifying crl_check with custom crl_cache module"}]. +crl_cache_check_pass(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + NodeDir = filename:join([PrivDir, "Certs"]), + DistOpts = "-ssl_dist_opt " + "client_crl_check true " + "client_crl_cache {ssl_dist_SUITE,{internal,\\\"" ++ NodeDir ++ "\\\"}}", + NewConfig = + [{many_verify_opts, true}, {additional_dist_opts, DistOpts}] ++ Config, + + NH1 = start_ssl_node(NewConfig), + Node1 = NH1#node_handle.nodename, + NH2 = start_ssl_node(NewConfig), + Node2 = NH2#node_handle.nodename, + + pong = apply_on_ssl_node(NH1, fun () -> net_adm:ping(Node2) end), + + [Node2] = apply_on_ssl_node(NH1, fun () -> nodes() end), + [Node1] = apply_on_ssl_node(NH2, fun () -> nodes() end), + + stop_ssl_node(NH1), + stop_ssl_node(NH2), + success(Config). + +%%-------------------------------------------------------------------- +crl_cache_check_fail() -> + [{doc,"Test custom crl_cache module with revoked certificate"}]. +crl_cache_check_fail(Config) when is_list(Config) -> + PrivDir = ?config(priv_dir, Config), + NodeDir = filename:join([PrivDir, "Certs"]), + DistOpts = "-ssl_dist_opt " + "client_crl_check true " + "client_crl_cache {ssl_dist_SUITE,{internal,\\\"" ++ NodeDir ++ "\\\"}}", + NewConfig = + [{many_verify_opts, true}, + %% The server uses a revoked certificate. + {server_cert_dir, "revoked"}, + {additional_dist_opts, DistOpts}] ++ Config, + + NH1 = start_ssl_node(NewConfig), + NH2 = start_ssl_node(NewConfig), + Node2 = NH2#node_handle.nodename, + + pang = apply_on_ssl_node(NH1, fun () -> net_adm:ping(Node2) end), + + [] = apply_on_ssl_node(NH1, fun () -> nodes() end), + [] = apply_on_ssl_node(NH2, fun () -> nodes() end), + + stop_ssl_node(NH1), + stop_ssl_node(NH2), + success(Config). + +%% ssl_crl_cache_api callbacks +lookup(_DistributionPoint, _DbHandle) -> + not_available. + +select({rdnSequence, NameParts}, {_, NodeDir}) -> + %% Extract the CN from the issuer name... + [CN] = [CN || + [#'AttributeTypeAndValue'{ + type = ?'id-at-commonName', + value = <<_, _, CN/binary>>}] <- NameParts], + %% ...and use that as the directory name to find the CRL. + error_logger:info_report([{found_cn, CN}]), + CRLFile = filename:join([NodeDir, CN, "crl.pem"]), + {ok, PemBin} = file:read_file(CRLFile), + PemEntries = public_key:pem_decode(PemBin), + CRLs = [ CRL || {'CertificateList', CRL, not_encrypted} + <- PemEntries], + CRLs. + +fresh_crl(_DistributionPoint, CRL) -> + CRL. %%-------------------------------------------------------------------- %%% Internal functions ----------------------------------------------- @@ -601,6 +758,19 @@ start_ssl_node_raw(Name, Args) -> exit({failed_to_start_node, Name, Error}) end. +cache_crls_on_ssl_nodes(PrivDir, CANames, NHs) -> + [begin + File = filename:join([PrivDir, "Certs", CAName, "crl.pem"]), + {ok, PemBin} = file:read_file(File), + PemEntries = public_key:pem_decode(PemBin), + CRLs = [ CRL || {'CertificateList', CRL, not_encrypted} + <- PemEntries], + ok = apply_on_ssl_node(NH, ssl_manager, insert_crls, + ["no_distribution_point", CRLs, dist]) + end + || NH <- NHs, CAName <- CANames], + ok. + %% %% command line creation %% @@ -888,8 +1058,8 @@ setup_dist_opts(Config) -> DataDir = ?config(data_dir, Config), Dhfile = filename:join([DataDir, "dHParam.pem"]), NodeDir = filename:join([PrivDir, "Certs"]), - SDir = filename:join([NodeDir, "server"]), - CDir = filename:join([NodeDir, "client"]), + SDir = filename:join([NodeDir, proplists:get_value(server_cert_dir, Config, "server")]), + CDir = filename:join([NodeDir, proplists:get_value(client_cert_dir, Config, "client")]), SC = filename:join([SDir, "cert.pem"]), SK = filename:join([SDir, "key.pem"]), SKC = filename:join([SDir, "keycert.pem"]), -- cgit v1.2.3