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authorJulien Barbot <julien@barbot.org>2013-11-03 21:30:03 +0100
committerFredrik Gustafsson <fredrik@erlang.org>2013-11-06 11:13:59 +0100
commitd370fe05f5884691a89784aa73bfb4eb2176edab (patch)
treee7f1fcff06fa24a17a904159def346506765822e /lib/ssl/src
parentbc8b6bf58c96f8d5a07146ddea145f71fe8c8956 (diff)
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Add a new server_name_indication option to ssl:connect
- Set to disable to explicitly disable SNI support. - Set to a hostname when upgrading from TCP to TLS.
Diffstat (limited to 'lib/ssl/src')
-rw-r--r--lib/ssl/src/ssl_handshake.erl18
-rw-r--r--lib/ssl/src/ssl_internal.hrl3
-rw-r--r--lib/ssl/src/tls.erl9
3 files changed, 22 insertions, 8 deletions
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index e1fd6970cc..9142a260b1 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -105,7 +105,7 @@ client_hello_extensions(Host, Version, CipherSuites, SslOpts, ConnectionStates,
next_protocol_negotiation =
encode_client_protocol_negotiation(SslOpts#ssl_options.next_protocol_selector,
Renegotiation),
- sni = sni(Host)}.
+ sni = sni(Host, SslOpts#ssl_options.server_name_indication)}.
%%--------------------------------------------------------------------
-spec certificate(der_cert(), db_handle(), certdb_ref(), client | server) -> #certificate{} | #alert{}.
@@ -1159,13 +1159,19 @@ select_curve(Curves, [Curve| Rest]) ->
false ->
select_curve(Curves, Rest)
end.
+%% RFC 6066, Section 3: Currently, the only server names supported are
+%% DNS hostnames
+sni(_, disable) ->
+ undefined;
+sni(Host, undefined) ->
+ sni1(Host);
+sni(_Host, SNIOption) ->
+ sni1(SNIOption).
-sni(Host) ->
- %% RFC 6066, Section 3: Currently, the only server names supported are
- %% DNS hostnames
- case inet_parse:domain(Host) of
+sni1(Hostname) ->
+ case inet_parse:domain(Hostname) of
false -> undefined;
- true -> #sni{hostname = Host}
+ true -> #sni{hostname = Hostname}
end.
%%--------------------------------------------------------------------
%%% Internal functions
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index 96e3280fb5..a582b8c290 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -115,7 +115,8 @@
erl_dist = false,
next_protocols_advertised = undefined, %% [binary()],
next_protocol_selector = undefined, %% fun([binary()]) -> binary())
- log_alert
+ log_alert,
+ server_name_indication = undefined
}).
-record(socket_options,
diff --git a/lib/ssl/src/tls.erl b/lib/ssl/src/tls.erl
index b220a48f73..f1747dc69e 100644
--- a/lib/ssl/src/tls.erl
+++ b/lib/ssl/src/tls.erl
@@ -664,7 +664,8 @@ handle_options(Opts0, _Role) ->
next_protocol_selector =
make_next_protocol_selector(
handle_option(client_preferred_next_protocols, Opts, undefined)),
- log_alert = handle_option(log_alert, Opts, true)
+ log_alert = handle_option(log_alert, Opts, true),
+ server_name_indication = handle_option(server_name_indication, Opts, undefined)
},
CbInfo = proplists:get_value(cb_info, Opts, {gen_tcp, tcp, tcp_closed, tcp_error}),
@@ -855,6 +856,12 @@ validate_option(next_protocols_advertised = Opt, Value) when is_list(Value) ->
validate_option(next_protocols_advertised, undefined) ->
undefined;
+validate_option(server_name_indication, Value) when is_list(Value) ->
+ Value;
+validate_option(server_name_indication, disable) ->
+ disable;
+validate_option(server_name_indication, undefined) ->
+ undefined;
validate_option(Opt, Value) ->
throw({error, {options, {Opt, Value}}}).