aboutsummaryrefslogtreecommitdiffstats
path: root/lib/ssl/src/ssl.erl
diff options
context:
space:
mode:
Diffstat (limited to 'lib/ssl/src/ssl.erl')
-rw-r--r--lib/ssl/src/ssl.erl93
1 files changed, 80 insertions, 13 deletions
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index d0693445e0..40d933a256 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -1,7 +1,7 @@
%%
%% %CopyrightBegin%
%%
-%% Copyright Ericsson AB 1999-2011. All Rights Reserved.
+%% Copyright Ericsson AB 1999-2012. All Rights Reserved.
%%
%% The contents of this file are subject to the Erlang Public License,
%% Version 1.1, (the "License"); you may not use this file except in
@@ -25,12 +25,13 @@
-export([start/0, start/1, stop/0, transport_accept/1,
transport_accept/2, ssl_accept/1, ssl_accept/2, ssl_accept/3,
- cipher_suites/0, cipher_suites/1, close/1, shutdown/2,
+ cipher_suites/0, cipher_suites/1, suite_definition/1,
+ close/1, shutdown/2,
connect/3, connect/2, connect/4, connection_info/1,
controlling_process/2, listen/2, pid/1, peername/1, peercert/1,
recv/2, recv/3, send/2, getopts/2, setopts/2, sockname/1,
versions/0, session_info/1, format_error/1,
- renegotiate/1]).
+ renegotiate/1, prf/5, clear_pem_cache/0, random_bytes/1]).
-deprecated({pid, 1, next_major_release}).
@@ -40,6 +41,12 @@
-include_lib("public_key/include/public_key.hrl").
+%% Visible in API
+-export_type([connect_option/0, listen_option/0, ssl_option/0, transport_option/0,
+ erl_cipher_suite/0, %% From ssl_cipher.hrl
+ tls_atom_version/0, %% From ssl_internal.hrl
+ prf_random/0]).
+
-record(config, {ssl, %% SSL parameters
inet_user, %% User set inet options
emulated, %% #socket_option{} emulated
@@ -67,7 +74,7 @@
-type ssl_imp() :: new | old.
-type transport_option() :: {cb_info, {CallbackModule::atom(), DataTag::atom(), ClosedTag::atom()}}.
-
+-type prf_random() :: client_random | server_random.
%%--------------------------------------------------------------------
-spec start() -> ok | {error, reason()}.
@@ -298,6 +305,15 @@ peercert(#sslsocket{pid = Pid}) ->
end.
%%--------------------------------------------------------------------
+-spec suite_definition(cipher_suite()) -> erl_cipher_suite().
+%%
+%% Description: Return erlang cipher suite definition.
+%%--------------------------------------------------------------------
+suite_definition(S) ->
+ {KeyExchange, Cipher, Hash, _} = ssl_cipher:suite_definition(S),
+ {KeyExchange, Cipher, Hash}.
+
+%%--------------------------------------------------------------------
-spec cipher_suites() -> [erl_cipher_suite()].
-spec cipher_suites(erlang | openssl) -> [erl_cipher_suite()] | [string()].
@@ -308,7 +324,7 @@ cipher_suites() ->
cipher_suites(erlang) ->
Version = ssl_record:highest_protocol_version([]),
- [ssl_cipher:suite_definition(S) || S <- ssl_cipher:suites(Version)];
+ [suite_definition(S) || S <- ssl_cipher:suites(Version)];
cipher_suites(openssl) ->
Version = ssl_record:highest_protocol_version([]),
@@ -402,7 +418,7 @@ session_info(#sslsocket{pid = Pid, fd = new_ssl}) ->
versions() ->
Vsns = ssl_record:supported_protocol_versions(),
SupportedVsns = [ssl_record:protocol_version(Vsn) || Vsn <- Vsns],
- AvailableVsns = ?DEFAULT_SUPPORTED_VERSIONS,
+ AvailableVsns = ?ALL_SUPPORTED_VERSIONS,
[{ssl_app, ?VSN}, {supported, SupportedVsns}, {available, AvailableVsns}].
@@ -414,6 +430,26 @@ versions() ->
renegotiate(#sslsocket{pid = Pid, fd = new_ssl}) ->
ssl_connection:renegotiation(Pid).
+%%--------------------------------------------------------------------
+-spec prf(#sslsocket{}, binary() | 'master_secret', binary(),
+ binary() | prf_random(), non_neg_integer()) ->
+ {ok, binary()} | {error, reason()}.
+%%
+%% Description: use a ssl sessions TLS PRF to generate key material
+%%--------------------------------------------------------------------
+prf(#sslsocket{pid = Pid, fd = new_ssl},
+ Secret, Label, Seed, WantedLength) ->
+ ssl_connection:prf(Pid, Secret, Label, Seed, WantedLength).
+
+
+%%--------------------------------------------------------------------
+-spec clear_pem_cache() -> ok.
+%%
+%% Description: Clear the PEM cache
+%%--------------------------------------------------------------------
+clear_pem_cache() ->
+ ssl_manager:clear_pem_cache().
+
%%---------------------------------------------------------------
-spec format_error({error, term()}) -> list().
%%
@@ -448,6 +484,23 @@ format_error(Error) ->
Other
end.
+%%--------------------------------------------------------------------
+-spec random_bytes(integer()) -> binary().
+
+%%
+%% Description: Generates cryptographically secure random sequence if possible
+%% fallbacks on pseudo random function
+%%--------------------------------------------------------------------
+random_bytes(N) ->
+ try crypto:strong_rand_bytes(N) of
+ RandBytes ->
+ RandBytes
+ catch
+ error:low_entropy ->
+ crypto:rand_bytes(N)
+ end.
+
+
%%%--------------------------------------------------------------
%%% Internal functions
%%%--------------------------------------------------------------------
@@ -515,7 +568,7 @@ handle_options(Opts0, _Role) ->
throw({error, {eoptions, {verify, Value}}})
end,
- CertFile = handle_option(certfile, Opts, ""),
+ CertFile = handle_option(certfile, Opts, <<>>),
SSLOptions = #ssl_options{
versions = handle_option(versions, Opts, []),
@@ -602,8 +655,12 @@ validate_option(depth, Value) when is_integer(Value),
validate_option(cert, Value) when Value == undefined;
is_binary(Value) ->
Value;
-validate_option(certfile, Value) when Value == undefined; is_list(Value) ->
+validate_option(certfile, undefined = Value) ->
+ Value;
+validate_option(certfile, Value) when is_binary(Value) ->
Value;
+validate_option(certfile, Value) when is_list(Value) ->
+ list_to_binary(Value);
validate_option(key, undefined) ->
undefined;
@@ -614,8 +671,13 @@ validate_option(key, {KeyType, Value}) when is_binary(Value),
KeyType == 'DSAPrivateKey';
KeyType == 'PrivateKeyInfo' ->
{KeyType, Value};
-validate_option(keyfile, Value) when is_list(Value) ->
+
+validate_option(keyfile, undefined) ->
+ <<>>;
+validate_option(keyfile, Value) when is_binary(Value) ->
Value;
+validate_option(keyfile, Value) when is_list(Value), Value =/= "" ->
+ list_to_binary(Value);
validate_option(password, Value) when is_list(Value) ->
Value;
@@ -625,16 +687,20 @@ validate_option(cacerts, Value) when Value == undefined;
%% certfile must be present in some cases otherwhise it can be set
%% to the empty string.
validate_option(cacertfile, undefined) ->
- "";
-validate_option(cacertfile, Value) when is_list(Value), Value =/= "" ->
+ <<>>;
+validate_option(cacertfile, Value) when is_binary(Value) ->
Value;
+validate_option(cacertfile, Value) when is_list(Value), Value =/= ""->
+ list_to_binary(Value);
validate_option(dh, Value) when Value == undefined;
is_binary(Value) ->
Value;
validate_option(dhfile, undefined = Value) ->
Value;
-validate_option(dhfile, Value) when is_list(Value), Value =/= "" ->
+validate_option(dhfile, Value) when is_binary(Value) ->
Value;
+validate_option(dhfile, Value) when is_list(Value), Value =/= "" ->
+ list_to_binary(Value);
validate_option(ciphers, Value) when is_list(Value) ->
Version = ssl_record:highest_protocol_version([]),
try cipher_suites(Version, Value)
@@ -670,7 +736,8 @@ validate_option(Opt, Value) ->
validate_versions([], Versions) ->
Versions;
-validate_versions([Version | Rest], Versions) when Version == 'tlsv1.1';
+validate_versions([Version | Rest], Versions) when Version == 'tlsv1.2';
+ Version == 'tlsv1.1';
Version == tlsv1;
Version == sslv3 ->
validate_versions(Rest, Versions);