diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/crypto/doc/src/crypto.xml | 7 | ||||
-rw-r--r-- | lib/inets/src/http_client/httpc_handler.erl | 11 | ||||
-rw-r--r-- | lib/inets/src/http_lib/http_chunk.erl | 2 | ||||
-rw-r--r-- | lib/inets/test/http_format_SUITE.erl | 16 | ||||
-rw-r--r-- | lib/inets/test/httpc_SUITE.erl | 21 | ||||
-rw-r--r-- | lib/ssh/doc/src/using_ssh.xml | 2 | ||||
-rw-r--r-- | lib/ssl/src/tls_connection.erl | 3 | ||||
-rw-r--r-- | lib/ssl/src/tls_record.erl | 62 | ||||
-rw-r--r-- | lib/stdlib/doc/src/rand.xml | 2 | ||||
-rw-r--r-- | lib/stdlib/doc/src/random.xml | 2 |
10 files changed, 107 insertions, 21 deletions
diff --git a/lib/crypto/doc/src/crypto.xml b/lib/crypto/doc/src/crypto.xml index 8d082bf3fe..563a090e98 100644 --- a/lib/crypto/doc/src/crypto.xml +++ b/lib/crypto/doc/src/crypto.xml @@ -601,8 +601,11 @@ </type> <desc> <p>Generates N bytes randomly uniform 0..255, and returns the - result in a binary. Uses the <c>crypto</c> library pseudo-random - number generator.</p> + result in a binary. Uses the <c>crypto</c> library pseudo-random + number generator.</p> + <p>This function is not recommended for cryptographic purposes. + Please use <seealso marker="#strong_rand_bytes/1"> + strong_rand_bytes/1</seealso> instead.</p> </desc> </func> diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl index 1044cffe6f..e6dcfee818 100644 --- a/lib/inets/src/http_client/httpc_handler.erl +++ b/lib/inets/src/http_client/httpc_handler.erl @@ -1113,8 +1113,8 @@ handle_http_body(Body, #state{headers = Headers, case case_insensitive_header(TransferEnc) of "chunked" -> ?hcrt("handle_http_body - chunked", []), - case http_chunk:decode(Body, State#state.max_body_size, - State#state.max_header_size) of + try http_chunk:decode(Body, State#state.max_body_size, + State#state.max_header_size) of {Module, Function, Args} -> ?hcrt("handle_http_body - new mfa", [{module, Module}, @@ -1139,6 +1139,13 @@ handle_http_body(Body, #state{headers = Headers, handle_response(State#state{headers = NewHeaders, body = NewBody2}) end + catch throw:{error, Reason} -> + NewState = + answer_request(Request, + httpc_response:error(Request, + Reason), + State), + {stop, normal, NewState} end; Enc when Enc =:= "identity"; Enc =:= undefined -> ?hcrt("handle_http_body - identity", []), diff --git a/lib/inets/src/http_lib/http_chunk.erl b/lib/inets/src/http_lib/http_chunk.erl index 2f8476a49d..9699856bf8 100644 --- a/lib/inets/src/http_lib/http_chunk.erl +++ b/lib/inets/src/http_lib/http_chunk.erl @@ -147,7 +147,7 @@ decode_size(Data = <<?CR, ?LF, ChunkRest/binary>>, HexList, AccHeaderSize, {MaxBodySize, Body, AccLength, MaxHeaderSize}) -> - try http_util:hexlist_to_integer(lists:reverse(HexList)) of + try http_util:hexlist_to_integer(lists:reverse(string:strip(HexList, left))) of 0 -> % Last chunk, there was no data ignore_extensions(Data, remaing_size(MaxHeaderSize, AccHeaderSize), MaxHeaderSize, {?MODULE, decode_trailer, diff --git a/lib/inets/test/http_format_SUITE.erl b/lib/inets/test/http_format_SUITE.erl index a927adc75e..e977bd1b9b 100644 --- a/lib/inets/test/http_format_SUITE.erl +++ b/lib/inets/test/http_format_SUITE.erl @@ -38,6 +38,7 @@ groups() -> [chunk_decode, chunk_encode, chunk_extensions_otp_6005, chunk_decode_otp_6264, chunk_decode_empty_chunk_otp_6511, + chunk_whitespace_suffix, chunk_decode_trailer, chunk_max_headersize, chunk_max_bodysize, chunk_not_hex]}]. init_per_suite(Config) -> @@ -157,6 +158,21 @@ chunk_decode_empty_chunk_otp_6511(Config) when is_list(Config) -> ?HTTP_MAX_BODY_SIZE, ?HTTP_MAX_HEADER_SIZE). %%------------------------------------------------------------------------- +chunk_whitespace_suffix() -> + [{doc, "Test whitespace after chunked length header"}]. +chunk_whitespace_suffix(Config) when is_list(Config) -> + ChunkedBody = "1a ; ignore-stuff-here" ++ ?CRLF ++ + "abcdefghijklmnopqrstuvwxyz" ++ ?CRLF ++ "10 " ++ ?CRLF + ++ "1234567890abcdef" ++ ?CRLF ++ "0 " ++ ?CRLF + ++ "some-footer:some-value" ++ ?CRLF + ++ "another-footer:another-value" ++ ?CRLF ++ ?CRLF, + {ok, {["content-length:42", "another-footer:another-value", + "some-footer:some-value", ""], + <<"abcdefghijklmnopqrstuvwxyz1234567890abcdef">>}} = + http_chunk:decode(list_to_binary(ChunkedBody), + ?HTTP_MAX_BODY_SIZE, ?HTTP_MAX_HEADER_SIZE). + +%%------------------------------------------------------------------------- chunk_decode_trailer() -> [{doc,"Make sure trailers are handled correctly. Trailers should" "become new headers"}]. diff --git a/lib/inets/test/httpc_SUITE.erl b/lib/inets/test/httpc_SUITE.erl index 989563cdbc..c6c59ab1af 100644 --- a/lib/inets/test/httpc_SUITE.erl +++ b/lib/inets/test/httpc_SUITE.erl @@ -106,6 +106,7 @@ only_simulated() -> bad_response, internal_server_error, invalid_http, + invalid_chunk_size, headers_dummy, headers_with_obs_fold, empty_response_header, @@ -765,6 +766,22 @@ invalid_http(Config) when is_list(Config) -> ct:print("Parse error: ~p ~n", [Reason]). %%------------------------------------------------------------------------- + +invalid_chunk_size(doc) -> + ["Test parse error of HTTP chunk size"]; +invalid_chunk_size(suite) -> + []; +invalid_chunk_size(Config) when is_list(Config) -> + + URL = url(group_name(Config), "/invalid_chunk_size.html", Config), + + {error, {chunk_size, _} = Reason} = + httpc:request(get, {URL, []}, [], []), + + ct:print("Parse error: ~p ~n", [Reason]). + +%%------------------------------------------------------------------------- + emulate_lower_versions(doc) -> [{doc, "Perform request as 0.9 and 1.0 clients."}]; emulate_lower_versions(Config) when is_list(Config) -> @@ -1876,6 +1893,10 @@ handle_uri(_,"/invalid_http.html",_,_,_,_) -> "HTTP/1.1 301\r\nDate:Sun, 09 Dec 2007 13:04:18 GMT\r\n" ++ "Transfer-Encoding:chunked\r\n\r\n"; +handle_uri(_,"/invalid_chunk_size.html",_,_,_,_) -> + "HTTP/1.1 200 ok\r\n" ++ + "Transfer-Encoding:chunked\r\n\r\nåäö\r\n"; + handle_uri(_,"/missing_reason_phrase.html",_,_,_,_) -> "HTTP/1.1 200\r\n" ++ "Content-Length: 32\r\n\r\n" diff --git a/lib/ssh/doc/src/using_ssh.xml b/lib/ssh/doc/src/using_ssh.xml index 2d045fdb60..6826f20fb3 100644 --- a/lib/ssh/doc/src/using_ssh.xml +++ b/lib/ssh/doc/src/using_ssh.xml @@ -252,7 +252,7 @@ <code type="erl"> %% First three parameters depending on which crypto type we select: Key = <<"This is a 256 bit key. abcdefghi">>, -Ivec0 = crypto:rand_bytes(16), +Ivec0 = crypto:strong_rand_bytes(16), DataSize = 1024, % DataSize rem 16 = 0 for aes_cbc %% Initialization of the CryptoState, in this case it is the Ivector. diff --git a/lib/ssl/src/tls_connection.erl b/lib/ssl/src/tls_connection.erl index 3093508f61..a468c131ce 100644 --- a/lib/ssl/src/tls_connection.erl +++ b/lib/ssl/src/tls_connection.erl @@ -168,9 +168,10 @@ hello(start, #state{host = Host, port = Port, role = client, Cache, CacheCb, Renegotiation, Cert), Version = Hello#client_hello.client_version, + HelloVersion = tls_record:lowest_protocol_version(SslOpts#ssl_options.versions), Handshake0 = ssl_handshake:init_handshake_history(), {BinMsg, ConnectionStates, Handshake} = - encode_handshake(Hello, Version, ConnectionStates0, Handshake0), + encode_handshake(Hello, HelloVersion, ConnectionStates0, Handshake0), Transport:send(Socket, BinMsg), State1 = State0#state{connection_states = ConnectionStates, negotiated_version = Version, %% Requested version diff --git a/lib/ssl/src/tls_record.erl b/lib/ssl/src/tls_record.erl index aa524f0225..1e266ed424 100644 --- a/lib/ssl/src/tls_record.erl +++ b/lib/ssl/src/tls_record.erl @@ -41,8 +41,9 @@ -export([encode_plain_text/4]). %% Protocol version handling --export([protocol_version/1, lowest_protocol_version/2, - highest_protocol_version/1, is_higher/2, supported_protocol_versions/0, +-export([protocol_version/1, lowest_protocol_version/1, lowest_protocol_version/2, + highest_protocol_version/1, highest_protocol_version/2, + is_higher/2, supported_protocol_versions/0, is_acceptable_version/1, is_acceptable_version/2]). -export_type([tls_version/0, tls_atom_version/0]). @@ -257,6 +258,18 @@ lowest_protocol_version(Version = {M,_}, Version; lowest_protocol_version(_,Version) -> Version. + +%%-------------------------------------------------------------------- +-spec lowest_protocol_version([tls_version()]) -> tls_version(). +%% +%% Description: Lowest protocol version present in a list +%%-------------------------------------------------------------------- +lowest_protocol_version([]) -> + lowest_protocol_version(); +lowest_protocol_version(Versions) -> + [Ver | Vers] = Versions, + lowest_list_protocol_version(Ver, Vers). + %%-------------------------------------------------------------------- -spec highest_protocol_version([tls_version()]) -> tls_version(). %% @@ -266,19 +279,29 @@ highest_protocol_version([]) -> highest_protocol_version(); highest_protocol_version(Versions) -> [Ver | Vers] = Versions, - highest_protocol_version(Ver, Vers). + highest_list_protocol_version(Ver, Vers). -highest_protocol_version(Version, []) -> +%%-------------------------------------------------------------------- +-spec highest_protocol_version(tls_version(), tls_version()) -> tls_version(). +%% +%% Description: Highest protocol version of two given versions +%%-------------------------------------------------------------------- +highest_protocol_version(Version = {M, N}, {M, O}) when N > O -> + Version; +highest_protocol_version({M, _}, + Version = {M, _}) -> Version; -highest_protocol_version(Version = {N, M}, [{N, O} | Rest]) when M > O -> - highest_protocol_version(Version, Rest); -highest_protocol_version({M, _}, [Version = {M, _} | Rest]) -> - highest_protocol_version(Version, Rest); -highest_protocol_version(Version = {M,_}, [{N,_} | Rest]) when M > N -> - highest_protocol_version(Version, Rest); -highest_protocol_version(_, [Version | Rest]) -> - highest_protocol_version(Version, Rest). +highest_protocol_version(Version = {M,_}, + {N, _}) when M > N -> + Version; +highest_protocol_version(_,Version) -> + Version. +%%-------------------------------------------------------------------- +-spec is_higher(V1 :: tls_version(), V2::tls_version()) -> tls_version(). +%% +%% Description: Is V1 > V2 +%%-------------------------------------------------------------------- is_higher({M, N}, {M, O}) when N > O -> true; is_higher({M, _}, {N, _}) when M > N -> @@ -352,6 +375,17 @@ is_acceptable_version(_,_) -> %%-------------------------------------------------------------------- %%% Internal functions %%-------------------------------------------------------------------- + +lowest_list_protocol_version(Ver, []) -> + Ver; +lowest_list_protocol_version(Ver1, [Ver2 | Rest]) -> + lowest_list_protocol_version(lowest_protocol_version(Ver1, Ver2), Rest). + +highest_list_protocol_version(Ver, []) -> + Ver; +highest_list_protocol_version(Ver1, [Ver2 | Rest]) -> + highest_list_protocol_version(highest_protocol_version(Ver1, Ver2), Rest). + encode_tls_cipher_text(Type, {MajVer, MinVer}, Fragment) -> Length = erlang:iolist_size(Fragment), [<<?BYTE(Type), ?BYTE(MajVer), ?BYTE(MinVer), ?UINT16(Length)>>, Fragment]. @@ -370,6 +404,10 @@ mac_hash({3, N} = Version, MacAlg, MacSecret, SeqNo, Type, Length, Fragment) highest_protocol_version() -> highest_protocol_version(supported_protocol_versions()). +lowest_protocol_version() -> + lowest_protocol_version(supported_protocol_versions()). + + sufficient_tlsv1_2_crypto_support() -> CryptoSupport = crypto:supports(), proplists:get_bool(sha256, proplists:get_value(hashs, CryptoSupport)). diff --git a/lib/stdlib/doc/src/rand.xml b/lib/stdlib/doc/src/rand.xml index e7d4728ef7..50057259c6 100644 --- a/lib/stdlib/doc/src/rand.xml +++ b/lib/stdlib/doc/src/rand.xml @@ -104,7 +104,7 @@ strong. If a strong cryptographic random number generator is needed, use one of functions in the <seealso marker="crypto:crypto">crypto</seealso> - module, for example <c>crypto:rand_bytes/1</c>.</p></note> + module, for example <c>crypto:strong_rand_bytes/1</c>.</p></note> </description> <datatypes> <datatype> diff --git a/lib/stdlib/doc/src/random.xml b/lib/stdlib/doc/src/random.xml index d3d7c90c31..fc4f796863 100644 --- a/lib/stdlib/doc/src/random.xml +++ b/lib/stdlib/doc/src/random.xml @@ -48,7 +48,7 @@ tuple of three integers.</p> <p>It should be noted that this random number generator is not cryptographically strong. If a strong cryptographic random number generator is needed for - example <c>crypto:rand_bytes/1</c> could be used instead.</p> + example <c>crypto:strong_rand_bytes/1</c> could be used instead.</p> <note><p>The new and improved <seealso marker="stdlib:rand">rand</seealso> module should be used instead of this module.</p></note> |