diff options
Diffstat (limited to 'lib/ssl/src/dtls_handshake.erl')
| -rw-r--r-- | lib/ssl/src/dtls_handshake.erl | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/lib/ssl/src/dtls_handshake.erl b/lib/ssl/src/dtls_handshake.erl index 26e8ce7503..5db2434753 100644 --- a/lib/ssl/src/dtls_handshake.erl +++ b/lib/ssl/src/dtls_handshake.erl @@ -21,13 +21,26 @@ -include("dtls_record.hrl"). -include("ssl_internal.hrl"). --export([client_hello/9, hello/3, get_dtls_handshake/2, +-export([client_hello/8, client_hello/9, hello/3, + get_dtls_handshake/2, dtls_handshake_new_flight/1, dtls_handshake_new_epoch/1, encode_handshake/4]). %%==================================================================== %% Internal application API %%==================================================================== +%%-------------------------------------------------------------------- +-spec client_hello(host(), inet:port_number(), #connection_states{}, + #ssl_options{}, integer(), atom(), boolean(), der_cert()) -> + #client_hello{}. +%% +%% Description: Creates a client hello message. +%%-------------------------------------------------------------------- +client_hello(Host, Port, ConnectionStates, SslOpts, + Cache, CacheCb, Renegotiation, OwnCert) -> + %% First client hello (two sent in DTLS ) uses empty Cookie + client_hello(Host, Port, <<>>, ConnectionStates, SslOpts, + Cache, CacheCb, Renegotiation, OwnCert). %%-------------------------------------------------------------------- -spec client_hello(host(), inet:port_number(), term(), #connection_states{}, @@ -46,7 +59,7 @@ client_hello(Host, Port, Cookie, ConnectionStates, SecParams = Pending#connection_state.security_parameters, CipherSuites = ssl_handshake:available_suites(UserSuites, Version), - Extensions = ssl_handshake:client_hello_extensions(Version, CipherSuites, + Extensions = ssl_handshake:client_hello_extensions(Host, Version, CipherSuites, SslOpts, ConnectionStates, Renegotiation), Id = ssl_session:client_id({Host, Port, SslOpts}, Cache, CacheCb, OwnCert), @@ -87,11 +100,6 @@ hello(Address, Port, {reply, HelloVerifyRequest} end. -address_to_bin({A,B,C,D}, Port) -> - <<0:80,16#ffff:16,A,B,C,D,Port:16>>; -address_to_bin({A,B,C,D,E,F,G,H}, Port) -> - <<A:16,B:16,C:16,D:16,E:16,F:16,G:16,H:16,Port:16>>. - %%-------------------------------------------------------------------- encode_handshake(Package, Version, MsgSeq, Mss) -> {MsgType, Bin} = enc_hs(Package, Version), @@ -102,7 +110,7 @@ encode_handshake(Package, Version, MsgSeq, Mss) -> %-------------------------------------------------------------------- -spec get_dtls_handshake(#ssl_tls{}, #dtls_hs_state{} | binary()) -> - {[dtls_handshake()], #ssl_tls{}}. + {[dtls_handshake()], #dtls_hs_state{}} | {retransmit, #dtls_hs_state{}}. % % Description: Given a DTLS state and new data from ssl_record, collects % and returns it as a list of handshake messages, also returns a new @@ -182,7 +190,6 @@ get_dtls_handshake_aux(Version, SeqNo, get_dtls_handshake_aux(_Version, _SeqNo, <<>>, HsState) -> {lists:reverse(HsState#dtls_hs_state.completed), - HsState#dtls_hs_state.highest_record_seq, HsState#dtls_hs_state{completed = []}}. dec_dtls_fragment(Version, SeqNo, Type, Length, MessageSeq, MsgBody, @@ -335,7 +342,7 @@ dtls_fragment_init(Length, 0, Length, Body) -> {Length, [{0, Length}], Body}; dtls_fragment_init(Length, FragmentOffset, FragmentLength, Body) -> Bin = dtls_fragment_bin_add(FragmentOffset, FragmentLength, Body, <<0:(Length*8)>>), - {Length, [{FragmentOffset, FragmentLength}], Bin}. + {Length, [{FragmentOffset, FragmentOffset + FragmentLength}], Bin}. dtls_fragment_bin_add(FragmentOffset, FragmentLength, Add, Buffer) -> <<First:FragmentOffset/bytes, _:FragmentLength/bytes, Rest/binary>> = Buffer, @@ -426,3 +433,8 @@ decode_handshake(_Version, ?HELLO_VERIFY_REQUEST, <<?BYTE(Major), ?BYTE(Minor), cookie = Cookie}; decode_handshake(Version, Tag, Msg) -> ssl_handshake:decode_handshake(Version, Tag, Msg). + +address_to_bin({A,B,C,D}, Port) -> + <<0:80,16#ffff:16,A,B,C,D,Port:16>>; +address_to_bin({A,B,C,D,E,F,G,H}, Port) -> + <<A:16,B:16,C:16,D:16,E:16,F:16,G:16,H:16,Port:16>>. |