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-rw-r--r--lib/ssl/doc/src/ssl_distribution.xml11
-rw-r--r--lib/ssl/src/ssl_tls_dist_proxy.erl30
-rw-r--r--lib/ssl/test/ssl_dist_SUITE.erl273
3 files changed, 305 insertions, 9 deletions
diff --git a/lib/ssl/doc/src/ssl_distribution.xml b/lib/ssl/doc/src/ssl_distribution.xml
index 7c00b4eae2..495e02d271 100644
--- a/lib/ssl/doc/src/ssl_distribution.xml
+++ b/lib/ssl/doc/src/ssl_distribution.xml
@@ -196,6 +196,9 @@ Eshell V5.0 (abort with ^G)
<item><c>password</c></item>
<item><c>cacertfile</c></item>
<item><c>verify</c></item>
+ <item><c>verify_fun</c> (write as <c>{Module, Function, InitialUserState}</c>)</item>
+ <item><c>crl_check</c></item>
+ <item><c>crl_cache</c> (write as Erlang term)</item>
<item><c>reuse_sessions</c></item>
<item><c>secure_renegotiate</c></item>
<item><c>depth</c></item>
@@ -203,6 +206,10 @@ Eshell V5.0 (abort with ^G)
<item><c>ciphers</c> (use old string format)</item>
</list>
+ <p>Note that <c>verify_fun</c> needs to be written in a different
+ form than the corresponding SSL option, since funs are not
+ accepted on the command line.</p>
+
<p>The server can also take the options <c>dhfile</c> and
<c>fail_if_no_peer_cert</c> (also prefixed).</p>
@@ -210,10 +217,6 @@ Eshell V5.0 (abort with ^G)
initiates a connection to another node. <c>server_</c>-prefixed
options are used when accepting a connection from a remote node.</p>
- <p>More complex options, such as <c>verify_fun</c>, are currently not
- available, but a mechanism to handle such options may be added in
- a future release.</p>
-
<p>Raw socket options, such as <c>packet</c> and <c>size</c> must not
be specified on the command line.</p>
diff --git a/lib/ssl/src/ssl_tls_dist_proxy.erl b/lib/ssl/src/ssl_tls_dist_proxy.erl
index 2e308a15b7..a920f54ed2 100644
--- a/lib/ssl/src/ssl_tls_dist_proxy.erl
+++ b/lib/ssl/src/ssl_tls_dist_proxy.erl
@@ -402,6 +402,18 @@ ssl_options(server, ["server_verify", Value|T]) ->
[{verify, atomize(Value)} | ssl_options(server,T)];
ssl_options(client, ["client_verify", Value|T]) ->
[{verify, atomize(Value)} | ssl_options(client,T)];
+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]) ->
@@ -426,14 +438,28 @@ ssl_options(server, ["server_dhfile", Value|T]) ->
[{dhfile, Value} | ssl_options(server,T)];
ssl_options(server, ["server_fail_if_no_peer_cert", Value|T]) ->
[{fail_if_no_peer_cert, atomize(Value)} | ssl_options(server,T)];
-ssl_options(_,_) ->
- exit(malformed_ssl_dist_opt).
+ssl_options(Type, Opts) ->
+ error(malformed_ssl_dist_opt, [Type, Opts]).
atomize(List) when is_list(List) ->
list_to_atom(List);
atomize(Atom) when is_atom(Atom) ->
Atom.
+termify(String) when is_list(String) ->
+ {ok, Tokens, _} = erl_scan:string(String ++ "."),
+ {ok, Term} = erl_parse:parse_term(Tokens),
+ Term.
+
+verify_fun(Value) ->
+ case termify(Value) of
+ {Mod, Func, State} when is_atom(Mod), is_atom(Func) ->
+ Fun = fun Mod:Func/3,
+ {Fun, State};
+ _ ->
+ error(malformed_ssl_dist_opt, [Value])
+ end.
+
flush_old_controller(Pid, Socket) ->
receive
{tcp, Socket, Data} ->
diff --git a/lib/ssl/test/ssl_dist_SUITE.erl b/lib/ssl/test/ssl_dist_SUITE.erl
index d90ec428ee..f0ce82f4fe 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).
@@ -41,7 +42,9 @@
%%--------------------------------------------------------------------
all() ->
[basic, payload, plain_options, plain_verify_options, nodelay_option,
- listen_port_options, listen_options, connect_options, use_interface].
+ listen_port_options, listen_options, connect_options, use_interface,
+ 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() ->
[].
@@ -418,6 +421,255 @@ use_interface(Config) when is_list(Config) ->
stop_ssl_node(NH1),
success(Config).
+%%--------------------------------------------------------------------
+verify_fun_fail() ->
+ [{doc,"Test specifying verify_fun with a function that always fails"}].
+verify_fun_fail(Config) when is_list(Config) ->
+ DistOpts = "-ssl_dist_opt "
+ "server_verify verify_peer server_verify_fun "
+ "\"{ssl_dist_SUITE,verify_fail_always,{}}\" "
+ "client_verify verify_peer client_verify_fun "
+ "\"{ssl_dist_SUITE,verify_fail_always,{}}\" ",
+
+ NH1 = start_ssl_node([{additional_dist_opts, DistOpts} | Config]),
+ NH2 = start_ssl_node([{additional_dist_opts, DistOpts} | Config]),
+ 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),
+
+ %% Check that the function ran on the client node.
+ [{verify_fail_always_ran, true}] =
+ apply_on_ssl_node(NH1, fun () -> ets:tab2list(verify_fun_ran) end),
+ %% On the server node, it wouldn't run, because the server didn't
+ %% request a certificate from the client.
+ undefined =
+ apply_on_ssl_node(NH2, fun () -> ets:info(verify_fun_ran) end),
+
+ stop_ssl_node(NH1),
+ stop_ssl_node(NH2),
+ success(Config).
+
+verify_fail_always(_Certificate, _Event, _State) ->
+ %% Create an ETS table, to record the fact that the verify function ran.
+ %% Spawn a new process, to avoid the ETS table disappearing.
+ Parent = self(),
+ spawn(
+ fun() ->
+ ets:new(verify_fun_ran, [public, named_table]),
+ ets:insert(verify_fun_ran, {verify_fail_always_ran, true}),
+ Parent ! go_ahead,
+ timer:sleep(infinity)
+ end),
+ receive go_ahead -> ok end,
+ {fail, bad_certificate}.
+
+%%--------------------------------------------------------------------
+verify_fun_pass() ->
+ [{doc,"Test specifying verify_fun with a function that always succeeds"}].
+verify_fun_pass(Config) when is_list(Config) ->
+ DistOpts = "-ssl_dist_opt "
+ "server_verify verify_peer server_verify_fun "
+ "\"{ssl_dist_SUITE,verify_pass_always,{}}\" "
+ "server_fail_if_no_peer_cert true "
+ "client_verify verify_peer client_verify_fun "
+ "\"{ssl_dist_SUITE,verify_pass_always,{}}\" ",
+
+ NH1 = start_ssl_node([{additional_dist_opts, DistOpts} | Config]),
+ Node1 = NH1#node_handle.nodename,
+ NH2 = start_ssl_node([{additional_dist_opts, DistOpts} | Config]),
+ 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),
+
+ %% Check that the function ran on the client node.
+ [{verify_pass_always_ran, true}] =
+ apply_on_ssl_node(NH1, fun () -> ets:tab2list(verify_fun_ran) end),
+ %% Check that it ran on the server node as well. The server
+ %% requested and verified the client's certificate because we
+ %% passed fail_if_no_peer_cert.
+ [{verify_pass_always_ran, true}] =
+ apply_on_ssl_node(NH2, fun () -> ets:tab2list(verify_fun_ran) end),
+
+ stop_ssl_node(NH1),
+ stop_ssl_node(NH2),
+ success(Config).
+
+verify_pass_always(_Certificate, _Event, State) ->
+ %% Create an ETS table, to record the fact that the verify function ran.
+ %% Spawn a new process, to avoid the ETS table disappearing.
+ Parent = self(),
+ spawn(
+ fun() ->
+ ets:new(verify_fun_ran, [public, named_table]),
+ ets:insert(verify_fun_ran, {verify_pass_always_ran, true}),
+ Parent ! go_ahead,
+ timer:sleep(infinity)
+ end),
+ receive go_ahead -> ok end,
+ {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,{\\\"" ++ 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,{\\\"" ++ 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 -----------------------------------------------
@@ -528,6 +780,19 @@ 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
%%
@@ -563,11 +828,13 @@ mk_node_cmdline(ListenPort, Name, Args) ->
++ NameSw ++ " " ++ Name ++ " "
++ "-pa " ++ Pa ++ " "
++ "-run application start crypto -run application start public_key "
+ ++ "-eval 'net_kernel:verbose(1)' "
++ "-run " ++ atom_to_list(?MODULE) ++ " cnct2tstsrvr "
++ host_name() ++ " "
++ integer_to_list(ListenPort) ++ " "
++ Args ++ " "
++ "-env ERL_CRASH_DUMP " ++ Pwd ++ "/erl_crash_dump." ++ Name ++ " "
+ ++ "-kernel error_logger \"{file,\\\"" ++ Pwd ++ "/error_log." ++ Name ++ "\\\"}\" "
++ "-setcookie " ++ atom_to_list(erlang:get_cookie()).
%%
@@ -815,8 +1082,8 @@ setup_dist_opts(Config) ->
DataDir = proplists:get_value(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"]),
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-03 10:22:17 +0000