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-rw-r--r--lib/ssh/src/ssh_connection_handler.erl18
-rw-r--r--lib/ssh/src/ssh_message.erl4
-rw-r--r--lib/ssh/src/ssh_options.erl29
-rw-r--r--lib/ssh/src/ssh_transport.erl18
4 files changed, 31 insertions, 38 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 6a6b9896cb..f1ce337947 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -346,7 +346,7 @@ renegotiate_data(ConnectionHandler) ->
| undefined,
last_size_rekey = 0 :: non_neg_integer(),
event_queue = [] :: list(),
- opts :: ssh_options:options(),
+% opts :: ssh_options:options(),
inet_initial_recbuf_size :: pos_integer()
| undefined
}).
@@ -398,8 +398,7 @@ init([Role,Socket,Opts]) ->
transport_protocol = Protocol,
transport_cb = Callback,
transport_close_tag = CloseTag,
- ssh_params = init_ssh_record(Role, Socket, PeerAddr, Opts),
- opts = Opts
+ ssh_params = init_ssh_record(Role, Socket, PeerAddr, Opts)
},
D = case Role of
client ->
@@ -1012,7 +1011,7 @@ handle_event(cast, renegotiate, _, _) ->
handle_event(cast, data_size, {connected,Role}, D) ->
{ok, [{send_oct,Sent0}]} = inet:getstat(D#data.socket, [send_oct]),
Sent = Sent0 - D#data.last_size_rekey,
- MaxSent = ?GET_OPT(rekey_limit, D#data.opts),
+ MaxSent = ?GET_OPT(rekey_limit, (D#data.ssh_params)#ssh.opts),
timer:apply_after(?REKEY_DATA_TIMOUT, gen_statem, cast, [self(), data_size]),
case Sent >= MaxSent of
true ->
@@ -1712,7 +1711,12 @@ ext_info({"server-sig-algs",SigAlgs}, D0 = #data{ssh_params=#ssh{role=client,
],
CommonAlgs = [Alg || Alg <- ServerSigAlgs,
lists:member(Alg, ClientSigAlgs)],
- D0#data{ssh_params = Ssh0#ssh{userauth_pubkeys = CommonAlgs} };
+ SelectedAlgs =
+ case CommonAlgs of
+ [] -> ClientSigAlgs; % server-sig-algs value is just an advice
+ _ -> CommonAlgs
+ end,
+ D0#data{ssh_params = Ssh0#ssh{userauth_pubkeys = SelectedAlgs} };
ext_info(_, D0) ->
%% Not implemented
@@ -1862,7 +1866,7 @@ get_repl(X, Acc) ->
exit({get_repl,X,Acc}).
%%%----------------------------------------------------------------
--define(CALL_FUN(Key,D), catch (?GET_OPT(Key, D#data.opts)) ).
+-define(CALL_FUN(Key,D), catch (?GET_OPT(Key, (D#data.ssh_params)#ssh.opts)) ).
disconnect_fun({disconnect,Msg}, D) -> ?CALL_FUN(disconnectfun,D)(Msg);
disconnect_fun(Reason, D) -> ?CALL_FUN(disconnectfun,D)(Reason).
@@ -1912,7 +1916,7 @@ retry_fun(User, Reason, #data{ssh_params = #ssh{opts = Opts,
%%% channels open for a while.
cache_init_idle_timer(D) ->
- case ?GET_OPT(idle_time, D#data.opts) of
+ case ?GET_OPT(idle_time, (D#data.ssh_params)#ssh.opts) of
infinity ->
D#data{idle_timer_value = infinity,
idle_timer_ref = infinity % A flag used later...
diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl
index 609040826f..4f2eeca026 100644
--- a/lib/ssh/src/ssh_message.erl
+++ b/lib/ssh/src/ssh_message.erl
@@ -598,8 +598,8 @@ decode_kex_init(<<?DEC_BIN(Data,__0), Rest/binary>>, Acc, N) ->
%%% Signature decode/encode
%%%
-decode_signature(<<?DEC_BIN(_Alg,__0), ?UINT32(_), Signature/binary>>) ->
- Signature.
+decode_signature(<<?DEC_BIN(Alg,__0), ?UINT32(_), Signature/binary>>) ->
+ {binary_to_list(Alg), Signature}.
encode_signature({#'RSAPublicKey'{},Sign}, Signature) ->
diff --git a/lib/ssh/src/ssh_options.erl b/lib/ssh/src/ssh_options.erl
index 12c0190082..aebb5a7062 100644
--- a/lib/ssh/src/ssh_options.erl
+++ b/lib/ssh/src/ssh_options.erl
@@ -392,12 +392,6 @@ default(server) ->
class => user_options
},
- {preferred_algorithms, def} =>
- #{default => ssh:default_algorithms(),
- chk => fun check_preferred_algorithms/1,
- class => user_options
- },
-
%%%%% Undocumented
{infofun, def} =>
#{default => fun(_,_,_) -> void end,
@@ -436,26 +430,11 @@ default(client) ->
},
{pref_public_key_algs, def} =>
- #{default => ssh_transport:default_algorithms(public_key) -- ['rsa-sha2-256',
- 'rsa-sha2-512'],
+ #{default => ssh_transport:default_algorithms(public_key),
chk => fun check_pref_public_key_algs/1,
class => user_options
},
- {preferred_algorithms, def} =>
- #{default => [{K,Vs} || {K,Vs0} <- ssh:default_algorithms(),
- Vs <- [case K of
- public_key ->
- Vs0 -- ['rsa-sha2-256',
- 'rsa-sha2-512'];
- _ ->
- Vs0
- end]
- ],
- chk => fun check_preferred_algorithms/1,
- class => user_options
- },
-
{dh_gex_limits, def} =>
#{default => {1024, 6144, 8192}, % FIXME: Is this true nowadays?
chk => fun({Min,I,Max}) ->
@@ -521,6 +500,12 @@ default(common) ->
class => user_options
},
+ {preferred_algorithms, def} =>
+ #{default => ssh:default_algorithms(),
+ chk => fun check_preferred_algorithms/1,
+ class => user_options
+ },
+
{id_string, def} =>
#{default => undefined, % FIXME: see ssh_transport:ssh_vsn/0
chk => fun(random) ->
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index 1a15798080..412f5de9de 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -776,16 +776,20 @@ extract_public_key(#'ECPrivateKey'{parameters = {namedCurve,OID},
{#'ECPoint'{point=Q}, {namedCurve,OID}}.
-verify_host_key(#ssh{algorithms=Alg}=SSH, PublicKey, Digest, Signature) ->
- case verify(Digest, sha(Alg#alg.hkey), Signature, PublicKey) of
- false ->
- {error, bad_signature};
- true ->
- known_host_key(SSH, PublicKey, public_algo(PublicKey))
+verify_host_key(#ssh{algorithms=Alg}=SSH, PublicKey, Digest, {AlgStr,Signature}) ->
+ case atom_to_list(Alg#alg.hkey) of
+ AlgStr ->
+ case verify(Digest, sha(Alg#alg.hkey), Signature, PublicKey) of
+ false ->
+ {error, bad_signature};
+ true ->
+ known_host_key(SSH, PublicKey, public_algo(PublicKey))
+ end;
+ _ ->
+ {error, bad_signature_name}
end.
-
accepted_host(Ssh, PeerName, Public, Opts) ->
case ?GET_OPT(silently_accept_hosts, Opts) of
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-27 16:40:35 +0000