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authorIngela Anderton Andin <[email protected]>2010-09-15 14:34:58 +0200
committerIngela Anderton Andin <[email protected]>2010-09-15 14:34:58 +0200
commit6a933540f24e76c05cc652acbf2aa92b9ab76d58 (patch)
tree09109c4569002173d90faf5134bf3f9e9a0ed174 /lib
parent3f336f1b6f2854618146e882b04e8cbc50d1111e (diff)
downloadotp-6a933540f24e76c05cc652acbf2aa92b9ab76d58.tar.gz
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Corrected and added dialyzer specs
Diffstat (limited to 'lib')
-rw-r--r--lib/public_key/src/pubkey_cert.erl4
-rw-r--r--lib/public_key/src/public_key.erl1
-rw-r--r--lib/ssl/src/ssl.erl182
-rw-r--r--lib/ssl/src/ssl_certificate.erl7
-rw-r--r--lib/ssl/src/ssl_connection.erl2
-rw-r--r--lib/ssl/src/ssl_handshake.erl137
-rw-r--r--lib/ssl/src/ssl_manager.erl2
-rw-r--r--lib/ssl/src/ssl_record.erl97
8 files changed, 248 insertions, 184 deletions
diff --git a/lib/public_key/src/pubkey_cert.erl b/lib/public_key/src/pubkey_cert.erl
index e704c168f1..c1819e6ddc 100644
--- a/lib/public_key/src/pubkey_cert.erl
+++ b/lib/public_key/src/pubkey_cert.erl
@@ -290,7 +290,7 @@ is_fixed_dh_cert(#'OTPCertificate'{tbsCertificate =
%%--------------------------------------------------------------------
--spec verify_fun(#'OTPTBSCertificate'{}, {bad_cert, atom()} | {extension, #'Extension'{}}|
+-spec verify_fun(#'OTPCertificate'{}, {bad_cert, atom()} | {extension, #'Extension'{}}|
valid, term(), fun()) -> term().
%%
%% Description: Gives the user application the opportunity handle path
@@ -313,7 +313,7 @@ verify_fun(Otpcert, Result, UserState0, VerifyFun) ->
{extension, #'Extension'{critical = true}} ->
throw({bad_cert, unknown_critical_extension});
_ ->
- UserState
+ UserState
end
end.
diff --git a/lib/public_key/src/public_key.erl b/lib/public_key/src/public_key.erl
index 9c7817fa8e..6de5f388dc 100644
--- a/lib/public_key/src/public_key.erl
+++ b/lib/public_key/src/public_key.erl
@@ -528,7 +528,6 @@ path_validation([DerCert | _] = Path,
{error, Reason}
end.
-
validate(DerCert, #path_validation_state{working_issuer_name = Issuer,
working_public_key = Key,
working_public_key_parameters =
diff --git a/lib/ssl/src/ssl.erl b/lib/ssl/src/ssl.erl
index 12dffb413c..314bdd1aab 100644
--- a/lib/ssl/src/ssl.erl
+++ b/lib/ssl/src/ssl.erl
@@ -190,7 +190,8 @@ transport_accept(#sslsocket{} = ListenSocket, Timeout) ->
%%--------------------------------------------------------------------
-spec ssl_accept(#sslsocket{}) -> {ok, #sslsocket{}} | {error, reason()}.
--spec ssl_accept(#sslsocket{}, timeout()) -> {ok, #sslsocket{}} | {error, reason()}.
+-spec ssl_accept(#sslsocket{}, list() | timeout()) -> {ok, #sslsocket{}} | {error, reason()}.
+-spec ssl_accept(port(), list(), timeout()) -> {ok, #sslsocket{}} | {error, reason()}.
%%
%% Description: Performs accept on a ssl listen socket. e.i. performs
%% ssl handshake.
@@ -463,11 +464,102 @@ versions() ->
%%---------------------------------------------------------------
-spec renegotiate(#sslsocket{}) -> ok | {error, reason()}.
%%
-%% Description:
+%% Description: Initiates a renegotiation.
%%--------------------------------------------------------------------
renegotiate(#sslsocket{pid = Pid, fd = new_ssl}) ->
ssl_connection:renegotiation(Pid).
+%%---------------------------------------------------------------
+-spec format_error({error, term()}) -> list().
+%%
+%% Description: Creates error string.
+%%--------------------------------------------------------------------
+format_error({error, Reason}) ->
+ format_error(Reason);
+format_error(Reason) when is_list(Reason) ->
+ Reason;
+format_error(closed) ->
+ "The connection is closed";
+format_error(ecacertfile) ->
+ "Own CA certificate file is invalid.";
+format_error(ecertfile) ->
+ "Own certificate file is invalid.";
+format_error(ekeyfile) ->
+ "Own private key file is invalid.";
+format_error(esslaccept) ->
+ "Server SSL handshake procedure between client and server failed.";
+format_error(esslconnect) ->
+ "Client SSL handshake procedure between client and server failed.";
+format_error({eoptions, Options}) ->
+ lists:flatten(io_lib:format("Error in options list: ~p~n", [Options]));
+
+%%%%%%%%%%%% START OLD SSL format_error %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+format_error(ebadsocket) ->
+ "Connection not found (internal error).";
+format_error(ebadstate) ->
+ "Connection not in connect state (internal error).";
+format_error(ebrokertype) ->
+ "Wrong broker type (internal error).";
+format_error(echaintoolong) ->
+ "The chain of certificates provided by peer is too long.";
+format_error(ecipher) ->
+ "Own list of specified ciphers is invalid.";
+format_error(ekeymismatch) ->
+ "Own private key does not match own certificate.";
+format_error(enoissuercert) ->
+ "Cannot find certificate of issuer of certificate provided by peer.";
+format_error(enoservercert) ->
+ "Attempt to do accept without having set own certificate.";
+format_error(enotlistener) ->
+ "Attempt to accept on a non-listening socket.";
+format_error(enoproxysocket) ->
+ "No proxy socket found (internal error or max number of file "
+ "descriptors exceeded).";
+format_error(enooptions) ->
+ "List of options is empty.";
+format_error(enotstarted) ->
+ "The SSL application has not been started.";
+format_error(eoptions) ->
+ "Invalid list of options.";
+format_error(epeercert) ->
+ "Certificate provided by peer is in error.";
+format_error(epeercertexpired) ->
+ "Certificate provided by peer has expired.";
+format_error(epeercertinvalid) ->
+ "Certificate provided by peer is invalid.";
+format_error(eselfsignedcert) ->
+ "Certificate provided by peer is self signed.";
+format_error(esslerrssl) ->
+ "SSL protocol failure. Typically because of a fatal alert from peer.";
+format_error(ewantconnect) ->
+ "Protocol wants to connect, which is not supported in this "
+ "version of the SSL application.";
+format_error(ex509lookup) ->
+ "Protocol wants X.509 lookup, which is not supported in this "
+ "version of the SSL application.";
+format_error({badcall, _Call}) ->
+ "Call not recognized for current mode (active or passive) and state "
+ "of socket.";
+format_error({badcast, _Cast}) ->
+ "Call not recognized for current mode (active or passive) and state "
+ "of socket.";
+
+format_error({badinfo, _Info}) ->
+ "Call not recognized for current mode (active or passive) and state "
+ "of socket.";
+
+%%%%%%%%%%%%%%%%%% END OLD SSL format_error %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+format_error(Error) ->
+ case (catch inet:format_error(Error)) of
+ "unkknown POSIX" ++ _ ->
+ no_format(Error);
+ {'EXIT', _} ->
+ no_format(Error);
+ Other ->
+ Other
+ end.
+
%%%--------------------------------------------------------------
%%% Internal functions
%%%--------------------------------------------------------------------
@@ -810,92 +902,6 @@ cipher_suites(Version, Ciphers0) ->
Ciphers = [ssl_cipher:openssl_suite(C) || C <- string:tokens(Ciphers0, ":")],
cipher_suites(Version, Ciphers).
-format_error({error, Reason}) ->
- format_error(Reason);
-format_error(Reason) when is_list(Reason) ->
- Reason;
-format_error(closed) ->
- "The connection is closed";
-format_error(ecacertfile) ->
- "Own CA certificate file is invalid.";
-format_error(ecertfile) ->
- "Own certificate file is invalid.";
-format_error(ekeyfile) ->
- "Own private key file is invalid.";
-format_error(esslaccept) ->
- "Server SSL handshake procedure between client and server failed.";
-format_error(esslconnect) ->
- "Client SSL handshake procedure between client and server failed.";
-format_error({eoptions, Options}) ->
- lists:flatten(io_lib:format("Error in options list: ~p~n", [Options]));
-
-%%%%%%%%%%%% START OLD SSL format_error %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-format_error(ebadsocket) ->
- "Connection not found (internal error).";
-format_error(ebadstate) ->
- "Connection not in connect state (internal error).";
-format_error(ebrokertype) ->
- "Wrong broker type (internal error).";
-format_error(echaintoolong) ->
- "The chain of certificates provided by peer is too long.";
-format_error(ecipher) ->
- "Own list of specified ciphers is invalid.";
-format_error(ekeymismatch) ->
- "Own private key does not match own certificate.";
-format_error(enoissuercert) ->
- "Cannot find certificate of issuer of certificate provided by peer.";
-format_error(enoservercert) ->
- "Attempt to do accept without having set own certificate.";
-format_error(enotlistener) ->
- "Attempt to accept on a non-listening socket.";
-format_error(enoproxysocket) ->
- "No proxy socket found (internal error or max number of file "
- "descriptors exceeded).";
-format_error(enooptions) ->
- "List of options is empty.";
-format_error(enotstarted) ->
- "The SSL application has not been started.";
-format_error(eoptions) ->
- "Invalid list of options.";
-format_error(epeercert) ->
- "Certificate provided by peer is in error.";
-format_error(epeercertexpired) ->
- "Certificate provided by peer has expired.";
-format_error(epeercertinvalid) ->
- "Certificate provided by peer is invalid.";
-format_error(eselfsignedcert) ->
- "Certificate provided by peer is self signed.";
-format_error(esslerrssl) ->
- "SSL protocol failure. Typically because of a fatal alert from peer.";
-format_error(ewantconnect) ->
- "Protocol wants to connect, which is not supported in this "
- "version of the SSL application.";
-format_error(ex509lookup) ->
- "Protocol wants X.509 lookup, which is not supported in this "
- "version of the SSL application.";
-format_error({badcall, _Call}) ->
- "Call not recognized for current mode (active or passive) and state "
- "of socket.";
-format_error({badcast, _Cast}) ->
- "Call not recognized for current mode (active or passive) and state "
- "of socket.";
-
-format_error({badinfo, _Info}) ->
- "Call not recognized for current mode (active or passive) and state "
- "of socket.";
-
-%%%%%%%%%%%%%%%%%% END OLD SSL format_error %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-format_error(Error) ->
- case (catch inet:format_error(Error)) of
- "unkknown POSIX" ++ _ ->
- no_format(Error);
- {'EXIT', _} ->
- no_format(Error);
- Other ->
- Other
- end.
-
no_format(Error) ->
lists:flatten(io_lib:format("No format string for error: \"~p\" available.", [Error])).
diff --git a/lib/ssl/src/ssl_certificate.erl b/lib/ssl/src/ssl_certificate.erl
index 206024315e..d2ab21657c 100644
--- a/lib/ssl/src/ssl_certificate.erl
+++ b/lib/ssl/src/ssl_certificate.erl
@@ -110,9 +110,10 @@ file_to_certificats(File) ->
{ok, List} = ssl_manager:cache_pem_file(File),
[Bin || {'Certificate', Bin, not_encrypted} <- List].
%%--------------------------------------------------------------------
--spec validate_extension(term(), #'Extension'{}, term()) -> {valid, term()} |
- {fail, tuple()} |
- {unknown, term()}.
+-spec validate_extension(term(), #'Extension'{} | {bad_cert, atom()} | valid,
+ term()) -> {valid, term()} |
+ {fail, tuple()} |
+ {unknown, term()}.
%%
%% Description: Validates ssl/tls specific extensions
%%--------------------------------------------------------------------
diff --git a/lib/ssl/src/ssl_connection.erl b/lib/ssl/src/ssl_connection.erl
index c94199c336..bd1ba6978a 100644
--- a/lib/ssl/src/ssl_connection.erl
+++ b/lib/ssl/src/ssl_connection.erl
@@ -75,7 +75,7 @@
session, % #session{} from ssl_handshake.hrl
session_cache, %
session_cache_cb, %
- negotiated_version, % #protocol_version{}
+ negotiated_version, % tls_version()
supported_protocol_versions, % [atom()]
client_certificate_requested = false,
key_algorithm, % atom as defined by cipher_suite
diff --git a/lib/ssl/src/ssl_handshake.erl b/lib/ssl/src/ssl_handshake.erl
index 99bc47f04b..3f01be101c 100644
--- a/lib/ssl/src/ssl_handshake.erl
+++ b/lib/ssl/src/ssl_handshake.erl
@@ -276,9 +276,9 @@ client_certificate_verify(OwnCert, MasterSecret, Version, Algorithm,
end.
%%--------------------------------------------------------------------
-%% -spec certificate_verify(binary(), public_key_info(), tls_version(),
-%% binary(), key_algo(),
-%% {_, {binary(), binary()}}) -> valid | #alert{}.
+-spec certificate_verify(binary(), public_key_info(), tls_version(),
+ binary(), key_algo(),
+ {_, {binary(), binary()}}) -> valid | #alert{}.
%%
%% Description: Checks that the certificate_verify message is valid.
%%--------------------------------------------------------------------
@@ -474,6 +474,88 @@ decode_client_key(ClientKey, Type, Version) ->
dec_client_key(ClientKey, key_exchange_alg(Type), Version).
%%--------------------------------------------------------------------
+-spec init_hashes() ->{{binary(), binary()}, {binary(), binary()}}.
+
+%%
+%% Description: Calls crypto hash (md5 and sha) init functions to
+%% initalize the hash context.
+%%--------------------------------------------------------------------
+init_hashes() ->
+ T = {crypto:md5_init(), crypto:sha_init()},
+ {T, T}.
+
+%%--------------------------------------------------------------------
+-spec update_hashes({{binary(), binary()}, {binary(), binary()}}, Data ::term()) ->
+ {{binary(), binary()}, {binary(), binary()}}.
+%%
+%% Description: Calls crypto hash (md5 and sha) update functions to
+%% update the hash context with Data.
+%%--------------------------------------------------------------------
+update_hashes(Hashes, % special-case SSL2 client hello
+ <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor),
+ ?UINT16(CSLength), ?UINT16(0),
+ ?UINT16(CDLength),
+ CipherSuites:CSLength/binary,
+ ChallengeData:CDLength/binary>>) ->
+ update_hashes(Hashes,
+ <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor),
+ ?UINT16(CSLength), ?UINT16(0),
+ ?UINT16(CDLength),
+ CipherSuites:CSLength/binary,
+ ChallengeData:CDLength/binary>>);
+update_hashes({{MD50, SHA0}, _Prev}, Data) ->
+ ?DBG_HEX(Data),
+ {MD51, SHA1} = {crypto:md5_update(MD50, Data),
+ crypto:sha_update(SHA0, Data)},
+ ?DBG_HEX(crypto:md5_final(MD51)),
+ ?DBG_HEX(crypto:sha_final(SHA1)),
+ {{MD51, SHA1}, {MD50, SHA0}}.
+
+%%--------------------------------------------------------------------
+-spec decrypt_premaster_secret(binary(), #'RSAPrivateKey'{}) -> binary().
+
+%%
+%% Description: Public key decryption using the private key.
+%%--------------------------------------------------------------------
+decrypt_premaster_secret(Secret, RSAPrivateKey) ->
+ try public_key:decrypt_private(Secret, RSAPrivateKey,
+ [{rsa_pad, rsa_pkcs1_padding}])
+ catch
+ _:_ ->
+ throw(?ALERT_REC(?FATAL, ?DECRYPTION_FAILED))
+ end.
+
+%%--------------------------------------------------------------------
+-spec server_key_exchange_hash(rsa | dhe_rsa| dhe_dss, binary()) -> binary().
+
+%%
+%% Description: Calculate server key exchange hash
+%%--------------------------------------------------------------------
+server_key_exchange_hash(Algorithm, Value) when Algorithm == rsa;
+ Algorithm == dhe_rsa ->
+ MD5 = crypto:md5(Value),
+ SHA = crypto:sha(Value),
+ <<MD5/binary, SHA/binary>>;
+
+server_key_exchange_hash(dhe_dss, Value) ->
+ crypto:sha(Value).
+
+%%--------------------------------------------------------------------
+-spec sig_alg(atom()) -> integer().
+
+%%
+%% Description: Translate atom representation to enum representation.
+%%--------------------------------------------------------------------
+sig_alg(dh_anon) ->
+ ?SIGNATURE_ANONYMOUS;
+sig_alg(Alg) when Alg == dhe_rsa; Alg == rsa ->
+ ?SIGNATURE_RSA;
+sig_alg(dhe_dss) ->
+ ?SIGNATURE_DSA;
+sig_alg(_) ->
+ ?NULL.
+
+%%--------------------------------------------------------------------
%%% Internal functions
%%--------------------------------------------------------------------
get_tls_handshake_aux(<<?BYTE(Type), ?UINT24(Length),
@@ -859,14 +941,6 @@ encrypted_premaster_secret(Secret, RSAPublicKey) ->
throw(?ALERT_REC(?FATAL, ?HANDSHAKE_FAILURE))
end.
-decrypt_premaster_secret(Secret, RSAPrivateKey) ->
- try public_key:decrypt_private(Secret, RSAPrivateKey,
- [{rsa_pad, rsa_pkcs1_padding}])
- catch
- _:_ ->
- throw(?ALERT_REC(?FATAL, ?DECRYPTION_FAILED))
- end.
-
%% encode/decode stream of certificate data to/from list of certificate data
certs_to_list(ASN1Certs) ->
certs_to_list(ASN1Certs, []).
@@ -985,29 +1059,6 @@ enc_hello_extensions([#renegotiation_info{renegotiated_connection = Info} | Rest
Len = InfoLen +1,
enc_hello_extensions(Rest, <<?UINT16(?RENEGOTIATION_EXT), ?UINT16(Len), ?BYTE(InfoLen), Info/binary, Acc/binary>>).
-init_hashes() ->
- T = {crypto:md5_init(), crypto:sha_init()},
- {T, T}.
-
-update_hashes(Hashes, % special-case SSL2 client hello
- <<?CLIENT_HELLO, ?UINT24(_), ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>) ->
- update_hashes(Hashes,
- <<?CLIENT_HELLO, ?BYTE(Major), ?BYTE(Minor),
- ?UINT16(CSLength), ?UINT16(0),
- ?UINT16(CDLength),
- CipherSuites:CSLength/binary,
- ChallengeData:CDLength/binary>>);
-update_hashes({{MD50, SHA0}, _Prev}, Data) ->
- ?DBG_HEX(Data),
- {MD51, SHA1} = {crypto:md5_update(MD50, Data),
- crypto:sha_update(SHA0, Data)},
- ?DBG_HEX(crypto:md5_final(MD51)),
- ?DBG_HEX(crypto:sha_final(SHA1)),
- {{MD51, SHA1}, {MD50, SHA0}}.
from_3bytes(Bin3) ->
from_3bytes(Bin3, []).
@@ -1096,24 +1147,6 @@ calc_certificate_verify({3, N}, _, Algorithm, Hashes)
when N == 1; N == 2 ->
ssl_tls1:certificate_verify(Algorithm, Hashes).
-server_key_exchange_hash(Algorithm, Value) when Algorithm == rsa;
- Algorithm == dhe_rsa ->
- MD5 = crypto:md5(Value),
- SHA = crypto:sha(Value),
- <<MD5/binary, SHA/binary>>;
-
-server_key_exchange_hash(dhe_dss, Value) ->
- crypto:sha(Value).
-
-sig_alg(dh_anon) ->
- ?SIGNATURE_ANONYMOUS;
-sig_alg(Alg) when Alg == dhe_rsa; Alg == rsa ->
- ?SIGNATURE_RSA;
-sig_alg(dhe_dss) ->
- ?SIGNATURE_DSA;
-sig_alg(_) ->
- ?NULL.
-
key_exchange_alg(rsa) ->
?KEY_EXCHANGE_RSA;
key_exchange_alg(Alg) when Alg == dhe_rsa; Alg == dhe_dss;
diff --git a/lib/ssl/src/ssl_manager.erl b/lib/ssl/src/ssl_manager.erl
index 0116466677..3b02d96562 100644
--- a/lib/ssl/src/ssl_manager.erl
+++ b/lib/ssl/src/ssl_manager.erl
@@ -122,6 +122,7 @@ server_session_id(Port, SuggestedSessionId, SslOpts) ->
call({server_session_id, Port, SuggestedSessionId, SslOpts}).
%%--------------------------------------------------------------------
+-spec register_session(port_num(), #session{}) -> ok.
-spec register_session(host(), port_num(), #session{}) -> ok.
%%
%% Description: Make the session available for reuse.
@@ -132,6 +133,7 @@ register_session(Host, Port, Session) ->
register_session(Port, Session) ->
cast({register_session, Port, Session}).
%%--------------------------------------------------------------------
+-spec invalidate_session(port_num(), #session{}) -> ok.
-spec invalidate_session(host(), port_num(), #session{}) -> ok.
%%
%% Description: Make the session unavilable for reuse.
diff --git a/lib/ssl/src/ssl_record.erl b/lib/ssl/src/ssl_record.erl
index acd0d49c19..803baeb09c 100644
--- a/lib/ssl/src/ssl_record.erl
+++ b/lib/ssl/src/ssl_record.erl
@@ -497,6 +497,66 @@ decode_cipher_text(CipherText, ConnnectionStates0) ->
#alert{} = Alert ->
Alert
end.
+%%--------------------------------------------------------------------
+-spec encode_data(iolist(), tls_version(), #connection_states{}, integer()) ->
+ {iolist(), iolist(), #connection_states{}}.
+%%
+%% Description: Encodes data to send on the ssl-socket.
+%%--------------------------------------------------------------------
+encode_data(Frag, Version, ConnectionStates, RenegotiateAt)
+ when byte_size(Frag) < (?MAX_PLAIN_TEXT_LENGTH - 2048) ->
+ case encode_plain_text(?APPLICATION_DATA,Version,Frag,ConnectionStates, RenegotiateAt) of
+ {renegotiate, Data} ->
+ {[], Data, ConnectionStates};
+ {Msg, CS} ->
+ {Msg, [], CS}
+ end;
+
+encode_data(Frag, Version, ConnectionStates, RenegotiateAt) when is_binary(Frag) ->
+ Data = split_bin(Frag, ?MAX_PLAIN_TEXT_LENGTH - 2048),
+ encode_data(Data, Version, ConnectionStates, RenegotiateAt);
+
+encode_data(Data, Version, ConnectionStates0, RenegotiateAt) when is_list(Data) ->
+ {ConnectionStates, EncodedMsg, NotEncdedData} =
+ lists:foldl(fun(B, {CS0, Encoded, Rest}) ->
+ case encode_plain_text(?APPLICATION_DATA,
+ Version, B, CS0, RenegotiateAt) of
+ {renegotiate, NotEnc} ->
+ {CS0, Encoded, [NotEnc | Rest]};
+ {Enc, CS1} ->
+ {CS1, [Enc | Encoded], Rest}
+ end
+ end, {ConnectionStates0, [], []}, Data),
+ {lists:reverse(EncodedMsg), lists:reverse(NotEncdedData), ConnectionStates}.
+
+%%--------------------------------------------------------------------
+-spec encode_handshake(iolist(), tls_version(), #connection_states{}) ->
+ {iolist(), #connection_states{}}.
+%%
+%% Description: Encodes a handshake message to send on the ssl-socket.
+%%--------------------------------------------------------------------
+encode_handshake(Frag, Version, ConnectionStates) ->
+ encode_plain_text(?HANDSHAKE, Version, Frag, ConnectionStates).
+
+%%--------------------------------------------------------------------
+-spec encode_alert_record(#alert{}, tls_version(), #connection_states{}) ->
+ {iolist(), #connection_states{}}.
+%%
+%% Description: Encodes an alert message to send on the ssl-socket.
+%%--------------------------------------------------------------------
+encode_alert_record(#alert{level = Level, description = Description},
+ Version, ConnectionStates) ->
+ encode_plain_text(?ALERT, Version, <<?BYTE(Level), ?BYTE(Description)>>,
+ ConnectionStates).
+
+%%--------------------------------------------------------------------
+-spec encode_change_cipher_spec(tls_version(), #connection_states{}) ->
+ {iolist(), #connection_states{}}.
+%%
+%% Description: Encodes a change_cipher_spec-message to send on the ssl socket.
+%%--------------------------------------------------------------------
+encode_change_cipher_spec(Version, ConnectionStates) ->
+ encode_plain_text(?CHANGE_CIPHER_SPEC, Version, <<1:8>>, ConnectionStates).
%%--------------------------------------------------------------------
%%% Internal functions
@@ -550,43 +610,6 @@ split_bin(Bin, ChunkSize, Acc) ->
lists:reverse(Acc, [Bin])
end.
-encode_data(Frag, Version, ConnectionStates, RenegotiateAt)
- when byte_size(Frag) < (?MAX_PLAIN_TEXT_LENGTH - 2048) ->
- case encode_plain_text(?APPLICATION_DATA,Version,Frag,ConnectionStates, RenegotiateAt) of
- {renegotiate, Data} ->
- {[], Data, ConnectionStates};
- {Msg, CS} ->
- {Msg, [], CS}
- end;
-
-encode_data(Frag, Version, ConnectionStates, RenegotiateAt) when is_binary(Frag) ->
- Data = split_bin(Frag, ?MAX_PLAIN_TEXT_LENGTH - 2048),
- encode_data(Data, Version, ConnectionStates, RenegotiateAt);
-
-encode_data(Data, Version, ConnectionStates0, RenegotiateAt) when is_list(Data) ->
- {ConnectionStates, EncodedMsg, NotEncdedData} =
- lists:foldl(fun(B, {CS0, Encoded, Rest}) ->
- case encode_plain_text(?APPLICATION_DATA,
- Version, B, CS0, RenegotiateAt) of
- {renegotiate, NotEnc} ->
- {CS0, Encoded, [NotEnc | Rest]};
- {Enc, CS1} ->
- {CS1, [Enc | Encoded], Rest}
- end
- end, {ConnectionStates0, [], []}, Data),
- {lists:reverse(EncodedMsg), lists:reverse(NotEncdedData), ConnectionStates}.
-
-encode_handshake(Frag, Version, ConnectionStates) ->
- encode_plain_text(?HANDSHAKE, Version, Frag, ConnectionStates).
-
-encode_alert_record(#alert{level = Level, description = Description},
- Version, ConnectionStates) ->
- encode_plain_text(?ALERT, Version, <<?BYTE(Level), ?BYTE(Description)>>,
- ConnectionStates).
-
-encode_change_cipher_spec(Version, ConnectionStates) ->
- encode_plain_text(?CHANGE_CIPHER_SPEC, Version, <<1:8>>, ConnectionStates).
-
encode_plain_text(Type, Version, Data, ConnectionStates, RenegotiateAt) ->
#connection_states{current_write =
#connection_state{sequence_number = Num}} = ConnectionStates,