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-rw-r--r--lib/ssl/src/ssl.erl76
-rw-r--r--lib/ssl/src/ssl_connection.erl33
-rw-r--r--lib/ssl/src/ssl_connection.hrl3
-rw-r--r--lib/ssl/src/ssl_internal.hrl2
-rw-r--r--lib/ssl/src/tls_connection.erl58
5 files changed, 141 insertions, 31 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 6461f64c1c..225a9be66f 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -38,11 +38,13 @@
%% SSL/TLS protocol handling
-export([cipher_suites/0, cipher_suites/1, suite_definition/1,
connection_info/1, versions/0, session_info/1, format_error/1,
- renegotiate/1, prf/5, negotiated_protocol/1, negotiated_next_protocol/1]).
+ renegotiate/1, prf/5, negotiated_protocol/1, negotiated_next_protocol/1,
+ connection_information/1, connection_information/2]).
%% Misc
--export([random_bytes/1]).
+-export([random_bytes/1, handle_options/2]).
-deprecated({negotiated_next_protocol, 1, next_major_release}).
+-deprecated({connection_info, 1, next_major_release}).
-include("ssl_api.hrl").
-include("ssl_internal.hrl").
@@ -286,16 +288,42 @@ controlling_process(#sslsocket{pid = {Listen,
is_pid(NewOwner) ->
Transport:controlling_process(Listen, NewOwner).
+
+%%--------------------------------------------------------------------
+-spec connection_information(#sslsocket{}) -> {ok, list()} | {error, reason()}.
+%%
+%% Description: Return SSL information for the connection
+%%--------------------------------------------------------------------
+connection_information(#sslsocket{pid = Pid}) when is_pid(Pid) -> ssl_connection:connection_information(Pid);
+connection_information(#sslsocket{pid = {Listen, _}}) when is_port(Listen) -> {error, enotconn}.
+
+
+%%--------------------------------------------------------------------
+-spec connection_information(#sslsocket{}, [atom]) -> {ok, list()} | {error, reason()}.
+%%
+%% Description: Return SSL information for the connection
+%%--------------------------------------------------------------------
+connection_information(#sslsocket{} = SSLSocket, Items) ->
+ case connection_information(SSLSocket) of
+ {ok, I} ->
+ {ok, lists:filter(fun({K, _}) -> lists:foldl(fun(K1, Acc) when K1 =:= K -> Acc + 1; (_, Acc) -> Acc end, 0, Items) > 0 end, I)};
+ E ->
+ E
+ end.
+
%%--------------------------------------------------------------------
-spec connection_info(#sslsocket{}) -> {ok, {tls_record:tls_atom_version(), ssl_cipher:erl_cipher_suite()}} |
{error, reason()}.
%%
%% Description: Returns ssl protocol and cipher used for the connection
%%--------------------------------------------------------------------
-connection_info(#sslsocket{pid = Pid}) when is_pid(Pid) ->
- ssl_connection:info(Pid);
-connection_info(#sslsocket{pid = {Listen, _}}) when is_port(Listen) ->
- {error, enotconn}.
+connection_info(#sslsocket{} = SSLSocket) ->
+ case connection_information(SSLSocket) of
+ {ok, Result} ->
+ {ok, {proplists:get_value(protocol, Result), proplists:get_value(cipher_suite, Result)}};
+ Error ->
+ Error
+ end.
%%--------------------------------------------------------------------
-spec peername(#sslsocket{}) -> {ok, {inet:ip_address(), inet:port_number()}} | {error, reason()}.
@@ -671,6 +699,8 @@ handle_options(Opts0) ->
handle_option(client_preferred_next_protocols, Opts, undefined)),
log_alert = handle_option(log_alert, Opts, true),
server_name_indication = handle_option(server_name_indication, Opts, undefined),
+ sni_hosts = handle_option(sni_hosts, Opts, []),
+ sni_fun = handle_option(sni_fun, Opts, undefined),
honor_cipher_order = handle_option(honor_cipher_order, Opts, false),
protocol = proplists:get_value(protocol, Opts, tls),
padding_check = proplists:get_value(padding_check, Opts, true),
@@ -687,7 +717,7 @@ handle_options(Opts0) ->
user_lookup_fun, psk_identity, srp_identity, ciphers,
reuse_session, reuse_sessions, ssl_imp,
cb_info, renegotiate_at, secure_renegotiate, hibernate_after,
- erl_dist, alpn_advertised_protocols,
+ erl_dist, alpn_advertised_protocols, sni_hosts, sni_fun,
alpn_preferred_protocols, next_protocols_advertised,
client_preferred_next_protocols, log_alert,
server_name_indication, honor_cipher_order, padding_check, crl_check, crl_cache,
@@ -704,6 +734,18 @@ handle_options(Opts0) ->
inet_user = SockOpts, transport_info = CbInfo, connection_cb = ConnetionCb
}}.
+handle_option(sni_fun, Opts, Default) ->
+ OptFun = validate_option(sni_fun,
+ proplists:get_value(sni_fun, Opts, Default)),
+ OptHosts = proplists:get_value(sni_hosts, Opts, undefined),
+ case {OptFun, OptHosts} of
+ {Default, _} ->
+ Default;
+ {_, undefined} ->
+ OptFun;
+ _ ->
+ throw({error, {conflict_options, [sni_fun, sni_hosts]}})
+ end;
handle_option(OptionName, Opts, Default) ->
validate_option(OptionName,
proplists:get_value(OptionName, Opts, Default)).
@@ -881,6 +923,20 @@ validate_option(server_name_indication, disable) ->
disable;
validate_option(server_name_indication, undefined) ->
undefined;
+validate_option(sni_hosts, []) ->
+ [];
+validate_option(sni_hosts, [{Hostname, SSLOptions} | Tail]) when is_list(Hostname) ->
+ RecursiveSNIOptions = proplists:get_value(sni_hosts, SSLOptions, undefined),
+ case RecursiveSNIOptions of
+ undefined ->
+ [{Hostname, validate_options(SSLOptions)} | validate_option(sni_hosts, Tail)];
+ _ ->
+ throw({error, {options, {sni_hosts, RecursiveSNIOptions}}})
+ end;
+validate_option(sni_fun, undefined) ->
+ undefined;
+validate_option(sni_fun, Fun) when is_function(Fun) ->
+ Fun;
validate_option(honor_cipher_order, Value) when is_boolean(Value) ->
Value;
validate_option(padding_check, Value) when is_boolean(Value) ->
@@ -896,6 +952,12 @@ validate_option(crl_cache, {Cb, {_Handle, Options}} = Value) when is_atom(Cb) an
validate_option(Opt, Value) ->
throw({error, {options, {Opt, Value}}}).
+
+validate_options([]) ->
+ [];
+validate_options([{Opt, Value} | Tail]) ->
+ [{Opt, validate_option(Opt, Value)} | validate_options(Tail)].
+
validate_npn_ordering(client) ->
ok;
validate_npn_ordering(server) ->
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index 4a839872a6..64fa7bab0d 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -41,8 +41,9 @@
%% User Events
-export([send/2, recv/3, close/1, shutdown/2,
- new_user/2, get_opts/2, set_opts/2, info/1, session_info/1,
- peer_certificate/1, renegotiation/1, negotiated_protocol/1, prf/5
+ new_user/2, get_opts/2, set_opts/2, session_info/1,
+ peer_certificate/1, renegotiation/1, negotiated_protocol/1, prf/5,
+ connection_information/1
]).
-export([handle_session/7]).
@@ -161,6 +162,14 @@ recv(Pid, Length, Timeout) ->
sync_send_all_state_event(Pid, {recv, Length, Timeout}).
%%--------------------------------------------------------------------
+-spec connection_information(pid()) -> {ok, list()} | {error, reason()}.
+%%
+%% Description: Get the SNI hostname
+%%--------------------------------------------------------------------
+connection_information(Pid) when is_pid(Pid) ->
+ sync_send_all_state_event(Pid, connection_information).
+
+%%--------------------------------------------------------------------
-spec close(pid()) -> ok | {error, reason()}.
%%
%% Description: Close an ssl connection
@@ -214,14 +223,6 @@ set_opts(ConnectionPid, Options) ->
sync_send_all_state_event(ConnectionPid, {set_opts, Options}).
%%--------------------------------------------------------------------
--spec info(pid()) -> {ok, {atom(), tuple()}} | {error, reason()}.
-%%
-%% Description: Returns ssl protocol and cipher used for the connection
-%%--------------------------------------------------------------------
-info(ConnectionPid) ->
- sync_send_all_state_event(ConnectionPid, info).
-
-%%--------------------------------------------------------------------
-spec session_info(pid()) -> {ok, list()} | {error, reason()}.
%%
%% Description: Returns info about the ssl session
@@ -829,13 +830,6 @@ handle_sync_event({prf, Secret, Label, Seed, WantedLength}, _, StateName,
error:Reason -> {error, Reason}
end,
{reply, Reply, StateName, State, get_timeout(State)};
-handle_sync_event(info, _, StateName,
- #state{negotiated_version = Version,
- session = #session{cipher_suite = Suite}} = State) ->
-
- AtomVersion = tls_record:protocol_version(Version),
- {reply, {ok, {AtomVersion, ssl:suite_definition(Suite)}},
- StateName, State, get_timeout(State)};
handle_sync_event(session_info, _, StateName,
#state{session = #session{session_id = Id,
cipher_suite = Suite}} = State) ->
@@ -845,7 +839,10 @@ handle_sync_event(session_info, _, StateName,
handle_sync_event(peer_certificate, _, StateName,
#state{session = #session{peer_certificate = Cert}}
= State) ->
- {reply, {ok, Cert}, StateName, State, get_timeout(State)}.
+ {reply, {ok, Cert}, StateName, State, get_timeout(State)};
+handle_sync_event(connection_information, _, StateName, #state{sni_hostname = SNIHostname, session = #session{cipher_suite = CipherSuite}, negotiated_version = Version} = State) ->
+ {reply, {ok, [{protocol, tls_record:protocol_version(Version)}, {cipher_suite, ssl:suite_definition(CipherSuite)}, {sni_hostname, SNIHostname}]}, StateName, State, get_timeout(State)}.
+
handle_info({ErrorTag, Socket, econnaborted}, StateName,
#state{socket = Socket, transport_cb = Transport,
diff --git a/lib/ssl/src/ssl_connection.hrl b/lib/ssl/src/ssl_connection.hrl
index e569d706af..d95b51132a 100644
--- a/lib/ssl/src/ssl_connection.hrl
+++ b/lib/ssl/src/ssl_connection.hrl
@@ -80,7 +80,8 @@
expecting_finished = false ::boolean(),
negotiated_protocol = undefined :: undefined | binary(),
client_ecc, % {Curves, PointFmt}
- tracker :: pid() %% Tracker process for listen socket
+ tracker :: pid(), %% Tracker process for listen socket
+ sni_hostname = undefined
}).
-define(DEFAULT_DIFFIE_HELLMAN_PARAMS,
diff --git a/lib/ssl/src/ssl_internal.hrl b/lib/ssl/src/ssl_internal.hrl
index 90f8b8a412..baeae68bc4 100644
--- a/lib/ssl/src/ssl_internal.hrl
+++ b/lib/ssl/src/ssl_internal.hrl
@@ -122,6 +122,8 @@
next_protocol_selector = undefined, %% fun([binary()]) -> binary())
log_alert :: boolean(),
server_name_indication = undefined,
+ sni_hosts :: [{inet:hostname(), [tuple()]}],
+ sni_fun :: function() | undefined,
%% Should the server prefer its own cipher order over the one provided by
%% the client?
honor_cipher_order = false :: boolean(),
diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl
index 0577222980..3304ffcddb 100644
--- a/lib/ssl/src/tls_connection.erl
+++ b/lib/ssl/src/tls_connection.erl
@@ -398,6 +398,23 @@ initial_state(Role, Host, Port, Socket, {SSLOptions, SocketOptions, Tracker}, Us
tracker = Tracker
}.
+
+update_ssl_options_from_sni(OrigSSLOptions, SNIHostname) ->
+ SSLOption =
+ case OrigSSLOptions#ssl_options.sni_fun of
+ undefined ->
+ proplists:get_value(SNIHostname,
+ OrigSSLOptions#ssl_options.sni_hosts);
+ SNIFun ->
+ SNIFun(SNIHostname)
+ end,
+ case SSLOption of
+ undefined ->
+ undefined;
+ _ ->
+ ssl:handle_options(SSLOption, OrigSSLOptions)
+ end.
+
next_state(Current,_, #alert{} = Alert, #state{negotiated_version = Version} = State) ->
handle_own_alert(Alert, Version, Current, State);
@@ -426,15 +443,17 @@ next_state(Current, Next, #ssl_tls{type = ?HANDSHAKE, fragment = Data},
%% This message should not be included in handshake
%% message hashes. Already in negotiation so it will be ignored!
?MODULE:SName(Packet, State);
- ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, State}) ->
+ ({#client_hello{} = Packet, Raw}, {next_state, connection = SName, HState0}) ->
+ HState = handle_sni_extension(Packet, HState0),
Version = Packet#client_hello.client_version,
Hs0 = ssl_handshake:init_handshake_history(),
Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
- ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1,
- renegotiation = {true, peer}});
- ({Packet, Raw}, {next_state, SName, State = #state{tls_handshake_history=Hs0}}) ->
+ ?MODULE:SName(Packet, HState#state{tls_handshake_history=Hs1,
+ renegotiation = {true, peer}});
+ ({Packet, Raw}, {next_state, SName, HState0 = #state{tls_handshake_history=Hs0}}) ->
+ HState = handle_sni_extension(Packet, HState0),
Hs1 = ssl_handshake:update_handshake_history(Hs0, Raw),
- ?MODULE:SName(Packet, State#state{tls_handshake_history=Hs1});
+ ?MODULE:SName(Packet, HState#state{tls_handshake_history=Hs1});
(_, StopState) -> StopState
end,
try
@@ -981,3 +1000,32 @@ convert_options_partial_chain(Options, up) ->
list_to_tuple(Head ++ [{partial_chain, fun(_) -> unknown_ca end}] ++ Tail);
convert_options_partial_chain(Options, down) ->
list_to_tuple(proplists:delete(partial_chain, tuple_to_list(Options))).
+
+handle_sni_extension(#client_hello{extensions = HelloExtensions}, State0) ->
+ case HelloExtensions#hello_extensions.sni of
+ undefined ->
+ State0;
+ #sni{hostname = Hostname} ->
+ NewOptions = update_ssl_options_from_sni(State0#state.ssl_options, Hostname),
+ case NewOptions of
+ undefined ->
+ State0;
+ _ ->
+ {ok, Ref, CertDbHandle, FileRefHandle, CacheHandle, CRLDbHandle, OwnCert, Key, DHParams} =
+ ssl_config:init(NewOptions, State0#state.role),
+ State0#state{
+ session = State0#state.session#session{own_certificate = OwnCert},
+ file_ref_db = FileRefHandle,
+ cert_db_ref = Ref,
+ cert_db = CertDbHandle,
+ crl_db = CRLDbHandle,
+ session_cache = CacheHandle,
+ private_key = Key,
+ diffie_hellman_params = DHParams,
+ ssl_options = NewOptions,
+ sni_hostname = Hostname
+ }
+ end
+ end;
+handle_sni_extension(_, State0) ->
+ State0.