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-rw-r--r--lib/ssh/src/ssh.erl117
-rw-r--r--lib/ssh/src/ssh.hrl1
-rw-r--r--lib/ssh/src/ssh_auth.erl60
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl18
-rw-r--r--lib/ssh/src/ssh_file.erl16
-rw-r--r--lib/ssh/src/ssh_transport.erl176
-rw-r--r--lib/ssh/src/ssh_transport.hrl35
7 files changed, 230 insertions, 193 deletions
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 049018b21c..5bde184070 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -33,7 +33,8 @@
default_algorithms/0,
stop_listener/1, stop_listener/2, stop_listener/3,
stop_daemon/1, stop_daemon/2, stop_daemon/3,
- shell/1, shell/2, shell/3]).
+ shell/1, shell/2, shell/3
+ ]).
%%--------------------------------------------------------------------
-spec start() -> ok | {error, term()}.
@@ -337,6 +338,8 @@ handle_option([{pwdfun, _} = Opt | Rest], SocketOptions, SshOptions) ->
handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
handle_option([{key_cb, _} = Opt | Rest], SocketOptions, SshOptions) ->
handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
+handle_option([{keyboard_interact_fun, _} = Opt | Rest], SocketOptions, SshOptions) ->
+ handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
%%Backwards compatibility
handle_option([{allow_user_interaction, Value} | Rest], SocketOptions, SshOptions) ->
handle_option(Rest, SocketOptions, [handle_ssh_option({user_interaction, Value}) | SshOptions]);
@@ -420,27 +423,67 @@ handle_ssh_option({user_interaction, Value} = Opt) when is_boolean(Value) ->
Opt;
handle_ssh_option({preferred_algorithms,[_|_]} = Opt) ->
handle_pref_algs(Opt);
-handle_ssh_option({dh_gex_groups,L=[{I1,I2,I3}|_]}) when is_integer(I1), I1>0,
- is_integer(I2), I2>0,
- is_integer(I3), I3>0 ->
- {dh_gex_groups, lists:map(fun({N,G,P}) -> {N,{G,P}} end, L)};
-handle_ssh_option({dh_gex_groups,{file,File=[C|_]}}=Opt) when is_integer(C), C>0 ->
- %% A string, (file name)
- case file:consult(File) of
- {ok, List} ->
- try handle_ssh_option({dh_gex_groups,List}) of
- {dh_gex_groups,_} = NewOpt ->
- NewOpt
- catch
- _:_ ->
- throw({error, {{eoptions, Opt}, "Bad format in file"}})
- end;
- Error ->
- throw({error, {{eoptions, Opt},{"Error reading file",Error}}})
- end;
+
+handle_ssh_option({dh_gex_groups,L0}) when is_list(L0) ->
+ {dh_gex_groups,
+ collect_per_size(
+ lists:foldl(
+ fun({N,G,P}, Acc) when is_integer(N),N>0,
+ is_integer(G),G>0,
+ is_integer(P),P>0 ->
+ [{N,{G,P}} | Acc];
+ ({N,{G,P}}, Acc) when is_integer(N),N>0,
+ is_integer(G),G>0,
+ is_integer(P),P>0 ->
+ [{N,{G,P}} | Acc];
+ ({N,GPs}, Acc) when is_list(GPs) ->
+ lists:foldr(fun({Gi,Pi}, Acci) when is_integer(Gi),Gi>0,
+ is_integer(Pi),Pi>0 ->
+ [{N,{Gi,Pi}} | Acci]
+ end, Acc, GPs)
+ end, [], L0))};
+
+handle_ssh_option({dh_gex_groups,{Tag,File=[C|_]}}=Opt) when is_integer(C), C>0,
+ Tag == file ;
+ Tag == ssh_moduli_file ->
+ {ok,GroupDefs} =
+ case Tag of
+ file ->
+ file:consult(File);
+ ssh_moduli_file ->
+ case file:open(File,[read]) of
+ {ok,D} ->
+ try
+ {ok,Moduli} = read_moduli_file(D, 1, []),
+ file:close(D),
+ {ok, Moduli}
+ catch
+ _:_ ->
+ throw({error, {{eoptions, Opt}, "Bad format in file "++File}})
+ end;
+ {error,enoent} ->
+ throw({error, {{eoptions, Opt}, "File not found:"++File}});
+ {error,Error} ->
+ throw({error, {{eoptions, Opt}, io_lib:format("Error reading file ~s: ~p",[File,Error])}})
+ end
+ end,
+
+ try
+ handle_ssh_option({dh_gex_groups,GroupDefs})
+ catch
+ _:_ ->
+ throw({error, {{eoptions, Opt}, "Bad format in file: "++File}})
+ end;
+
+
+handle_ssh_option({dh_gex_limits,{Min,Max}} = Opt) when is_integer(Min), Min>0,
+ is_integer(Max), Max>=Min ->
+ %% Server
+ Opt;
handle_ssh_option({dh_gex_limits,{Min,I,Max}} = Opt) when is_integer(Min), Min>0,
is_integer(I), I>=Min,
is_integer(Max), Max>=I ->
+ %% Client
Opt;
handle_ssh_option({connect_timeout, Value} = Opt) when is_integer(Value); Value == infinity ->
Opt;
@@ -462,10 +505,14 @@ handle_ssh_option({password, Value} = Opt) when is_list(Value) ->
Opt;
handle_ssh_option({user_passwords, Value} = Opt) when is_list(Value)->
Opt;
-handle_ssh_option({pwdfun, Value} = Opt) when is_function(Value) ->
+handle_ssh_option({pwdfun, Value} = Opt) when is_function(Value,2) ->
+ Opt;
+handle_ssh_option({pwdfun, Value} = Opt) when is_function(Value,4) ->
Opt;
handle_ssh_option({key_cb, Value} = Opt) when is_atom(Value) ->
Opt;
+handle_ssh_option({keyboard_interact_fun, Value} = Opt) when is_function(Value,3) ->
+ Opt;
handle_ssh_option({compression, Value} = Opt) when is_atom(Value) ->
Opt;
handle_ssh_option({exec, {Module, Function, _}} = Opt) when is_atom(Module),
@@ -660,3 +707,33 @@ directory_exist_readable(Dir) ->
+collect_per_size(L) ->
+ lists:foldr(
+ fun({Sz,GP}, [{Sz,GPs}|Acc]) -> [{Sz,[GP|GPs]}|Acc];
+ ({Sz,GP}, Acc) -> [{Sz,[GP]}|Acc]
+ end, [], lists:sort(L)).
+
+read_moduli_file(D, I, Acc) ->
+ case io:get_line(D,"") of
+ {error,Error} ->
+ {error,Error};
+ eof ->
+ {ok, Acc};
+ "#" ++ _ -> read_moduli_file(D, I+1, Acc);
+ <<"#",_/binary>> -> read_moduli_file(D, I+1, Acc);
+ Data ->
+ Line = if is_binary(Data) -> binary_to_list(Data);
+ is_list(Data) -> Data
+ end,
+ try
+ [_Time,_Type,_Tests,_Tries,Size,G,P] = string:tokens(Line," \r\n"),
+ M = {list_to_integer(Size),
+ {list_to_integer(G), list_to_integer(P,16)}
+ },
+ read_moduli_file(D, I+1, [M|Acc])
+ catch
+ _:_ ->
+ read_moduli_file(D, I+1, Acc)
+ end
+ end.
+
diff --git a/lib/ssh/src/ssh.hrl b/lib/ssh/src/ssh.hrl
index fc9d60c500..4ad936f742 100644
--- a/lib/ssh/src/ssh.hrl
+++ b/lib/ssh/src/ssh.hrl
@@ -138,6 +138,7 @@
kb_tries_left = 0, % integer(), num tries left for "keyboard-interactive"
userauth_preference,
available_host_keys,
+ pwdfun_user_state,
authenticated = false
}).
diff --git a/lib/ssh/src/ssh_auth.erl b/lib/ssh/src/ssh_auth.erl
index 04749fcf8e..4967a2e4cd 100644
--- a/lib/ssh/src/ssh_auth.erl
+++ b/lib/ssh/src/ssh_auth.erl
@@ -174,15 +174,15 @@ handle_userauth_request(#ssh_msg_userauth_request{user = User,
#ssh{opts = Opts,
userauth_supported_methods = Methods} = Ssh) ->
Password = unicode:characters_to_list(BinPwd),
- case check_password(User, Password, Opts) of
- true ->
+ case check_password(User, Password, Opts, Ssh) of
+ {true,Ssh1} ->
{authorized, User,
- ssh_transport:ssh_packet(#ssh_msg_userauth_success{}, Ssh)};
- false ->
+ ssh_transport:ssh_packet(#ssh_msg_userauth_success{}, Ssh1)};
+ {false,Ssh1} ->
{not_authorized, {User, {error,"Bad user or password"}},
ssh_transport:ssh_packet(#ssh_msg_userauth_failure{
authentications = Methods,
- partial_success = false}, Ssh)}
+ partial_success = false}, Ssh1)}
end;
handle_userauth_request(#ssh_msg_userauth_request{user = User,
@@ -335,16 +335,16 @@ handle_userauth_info_response(#ssh_msg_userauth_info_response{num_responses = 1,
kb_tries_left = KbTriesLeft,
user = User,
userauth_supported_methods = Methods} = Ssh) ->
- case check_password(User, unicode:characters_to_list(Password), Opts) of
- true ->
+ case check_password(User, unicode:characters_to_list(Password), Opts, Ssh) of
+ {true,Ssh1} ->
{authorized, User,
- ssh_transport:ssh_packet(#ssh_msg_userauth_success{}, Ssh)};
- false ->
+ ssh_transport:ssh_packet(#ssh_msg_userauth_success{}, Ssh1)};
+ {false,Ssh1} ->
{not_authorized, {User, {error,"Bad user or password"}},
ssh_transport:ssh_packet(#ssh_msg_userauth_failure{
authentications = Methods,
partial_success = false},
- Ssh#ssh{kb_tries_left = max(KbTriesLeft-1, 0)}
+ Ssh1#ssh{kb_tries_left = max(KbTriesLeft-1, 0)}
)}
end;
@@ -364,6 +364,11 @@ method_preference(Algs) ->
[{"publickey", ?MODULE, publickey_msg, [A]} | Acc]
end,
[{"password", ?MODULE, password_msg, []},
+ {"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []},
+ {"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []},
+ {"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []},
+ {"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []},
+ {"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []},
{"keyboard-interactive", ?MODULE, keyboard_interactive_msg, []}
],
Algs).
@@ -387,13 +392,34 @@ user_name(Opts) ->
{ok, User}
end.
-check_password(User, Password, Opts) ->
+check_password(User, Password, Opts, Ssh) ->
case proplists:get_value(pwdfun, Opts) of
undefined ->
Static = get_password_option(Opts, User),
- Password == Static;
- Cheker ->
- Cheker(User, Password)
+ {Password == Static, Ssh};
+
+ Checker when is_function(Checker,2) ->
+ {Checker(User, Password), Ssh};
+
+ Checker when is_function(Checker,4) ->
+ #ssh{pwdfun_user_state = PrivateState,
+ peer = {_,PeerAddr={_,_}}
+ } = Ssh,
+ case Checker(User, Password, PeerAddr, PrivateState) of
+ true ->
+ {true,Ssh};
+ false ->
+ {false,Ssh};
+ {true,NewState} ->
+ {true, Ssh#ssh{pwdfun_user_state=NewState}};
+ {false,NewState} ->
+ {false, Ssh#ssh{pwdfun_user_state=NewState}};
+ disconnect ->
+ throw(#ssh_msg_disconnect{code = ?SSH_DISCONNECT_SERVICE_NOT_AVAILABLE,
+ description =
+ "Unable to connect using the available authentication methods",
+ language = ""})
+ end
end.
get_password_option(Opts, User) ->
@@ -451,14 +477,14 @@ keyboard_interact_get_responses(false, undefined, undefined, _, _, _, [Prompt|_]
ssh_no_io:read_line(Prompt, Opts); %% Throws error as keyboard interaction is not allowed
keyboard_interact_get_responses(true, undefined, _,IoCb, Name, Instr, PromptInfos, Opts, _) ->
keyboard_interact(IoCb, Name, Instr, PromptInfos, Opts);
-keyboard_interact_get_responses(true, Fun, _, Name, Instr, PromptInfos, _, _, NumPrompts) ->
+keyboard_interact_get_responses(true, Fun, _Pwd, _IoCb, Name, Instr, PromptInfos, _Opts, NumPrompts) ->
keyboard_interact_fun(Fun, Name, Instr, PromptInfos, NumPrompts).
keyboard_interact(IoCb, Name, Instr, Prompts, Opts) ->
- if Name /= "" -> IoCb:format("~s", [Name]);
+ if Name /= "" -> IoCb:format("~s~n", [Name]);
true -> ok
end,
- if Instr /= "" -> IoCb:format("~s", [Instr]);
+ if Instr /= "" -> IoCb:format("~s~n", [Instr]);
true -> ok
end,
lists:map(fun({Prompt, true}) -> IoCb:read_line(Prompt, Opts);
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 099268d521..8448218d91 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -627,14 +627,24 @@ userauth_keyboard_interactive(#ssh_msg_userauth_info_response{} = Msg,
retry_fun(User, Address, Reason, Opts),
send_msg(Reply, State),
{next_state, userauth, next_packet(State#state{ssh_params = Ssh})}
- end.
-
+ end;
+userauth_keyboard_interactive(Msg = #ssh_msg_userauth_failure{},
+ #state{ssh_params = Ssh0 =
+ #ssh{role = client,
+ userauth_preference = Prefs0}}
+ = State) ->
+ Prefs = [{Method,M,F,A} || {Method,M,F,A} <- Prefs0,
+ Method =/= "keyboard-interactive"],
+ userauth(Msg, State#state{ssh_params = Ssh0#ssh{userauth_preference=Prefs}}).
+
-userauth_keyboard_interactive_info_response(Msg=#ssh_msg_userauth_failure{}, State) ->
+userauth_keyboard_interactive_info_response(Msg=#ssh_msg_userauth_failure{},
+ #state{ssh_params = #ssh{role = client}} = State) ->
userauth(Msg, State);
-userauth_keyboard_interactive_info_response(Msg=#ssh_msg_userauth_success{}, State) ->
+userauth_keyboard_interactive_info_response(Msg=#ssh_msg_userauth_success{},
+ #state{ssh_params = #ssh{role = client}} = State) ->
userauth(Msg, State).
%%--------------------------------------------------------------------
diff --git a/lib/ssh/src/ssh_file.erl b/lib/ssh/src/ssh_file.erl
index c087ce14d7..2f16a31cba 100644
--- a/lib/ssh/src/ssh_file.erl
+++ b/lib/ssh/src/ssh_file.erl
@@ -221,9 +221,11 @@ do_lookup_host_key(KeyToMatch, Host, Alg, Opts) ->
{ok, Fd} ->
Res = lookup_host_key_fd(Fd, KeyToMatch, Host, Alg),
file:close(Fd),
- {ok, Res};
- {error, enoent} -> {error, not_found};
- Error -> Error
+ Res;
+ {error, enoent} ->
+ {error, not_found};
+ Error ->
+ Error
end.
identity_key_filename('ssh-dss' ) -> "id_dsa";
@@ -242,6 +244,9 @@ lookup_host_key_fd(Fd, KeyToMatch, Host, KeyType) ->
case io:get_line(Fd, '') of
eof ->
{error, not_found};
+ {error,Error} ->
+ %% Rare... For example NFS errors
+ {error,Error};
Line ->
case ssh_decode_line(Line, known_hosts) of
[{Key, Attributes}] ->
@@ -262,7 +267,7 @@ handle_host(Fd, KeyToMatch, Host, HostList, Key, KeyType) ->
Host1 = host_name(Host),
case lists:member(Host1, HostList) andalso key_match(Key, KeyType) of
true when KeyToMatch == Key ->
- Key;
+ {ok,Key};
_ ->
lookup_host_key_fd(Fd, KeyToMatch, Host, KeyType)
end.
@@ -309,6 +314,9 @@ lookup_user_key_fd(Fd, Key) ->
case io:get_line(Fd, '') of
eof ->
{error, not_found};
+ {error,Error} ->
+ %% Rare... For example NFS errors
+ {error,Error};
Line ->
case ssh_decode_line(Line, auth_keys) of
[{AuthKey, _}] ->
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index d622ec27fc..0c999b96cc 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -441,19 +441,29 @@ handle_kexdh_reply(#ssh_msg_kexdh_reply{public_host_key = PeerPubHostKey,
%%%
%%% diffie-hellman-group-exchange-sha1
%%%
-handle_kex_dh_gex_request(#ssh_msg_kex_dh_gex_request{min = Min,
+handle_kex_dh_gex_request(#ssh_msg_kex_dh_gex_request{min = Min0,
n = NBits,
- max = Max},
- Ssh0=#ssh{opts=Opts}) when Min=<NBits, NBits=<Max ->
+ max = Max0},
+ Ssh0=#ssh{opts=Opts}) when Min0=<NBits, NBits=<Max0 ->
%% server
- {G, P} = dh_gex_group(Min, NBits, Max, proplists:get_value(dh_gex_groups,Opts)),
- {Public, Private} = generate_key(dh, [P,G]),
- {SshPacket, Ssh} =
- ssh_packet(#ssh_msg_kex_dh_gex_group{p = P, g = G}, Ssh0),
- {ok, SshPacket,
- Ssh#ssh{keyex_key = {{Private, Public}, {G, P}},
- keyex_info = {Min, Max, NBits}
- }};
+ {Min, Max} = adjust_gex_min_max(Min0, Max0, Opts),
+ case public_key:dh_gex_group(Min, NBits, Max,
+ proplists:get_value(dh_gex_groups,Opts)) of
+ {ok, {_Sz, {G,P}}} ->
+ {Public, Private} = generate_key(dh, [P,G]),
+ {SshPacket, Ssh} =
+ ssh_packet(#ssh_msg_kex_dh_gex_group{p = P, g = G}, Ssh0),
+ {ok, SshPacket,
+ Ssh#ssh{keyex_key = {{Private, Public}, {G, P}},
+ keyex_info = {Min, Max, NBits}
+ }};
+ {error,_} ->
+ throw(#ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_PROTOCOL_ERROR,
+ description = "No possible diffie-hellman-group-exchange group found",
+ language = ""})
+ end;
+
handle_kex_dh_gex_request(_, _) ->
throw({{error,bad_ssh_msg_kex_dh_gex_request},
#ssh_msg_disconnect{
@@ -462,6 +472,26 @@ handle_kex_dh_gex_request(_, _) ->
language = ""}
}).
+
+adjust_gex_min_max(Min0, Max0, Opts) ->
+ case proplists:get_value(dh_gex_limits, Opts) of
+ undefined ->
+ {Min0, Max0};
+ {Min1, Max1} ->
+ Min2 = max(Min0, Min1),
+ Max2 = min(Max0, Max1),
+ if
+ Min2 =< Max2 ->
+ {Min2, Max2};
+ Max2 < Min2 ->
+ throw(#ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_PROTOCOL_ERROR,
+ description = "No possible diffie-hellman-group-exchange group possible",
+ language = ""})
+ end
+ end.
+
+
handle_kex_dh_gex_group(#ssh_msg_kex_dh_gex_group{p = P, g = G}, Ssh0) ->
%% client
{Public, Private} = generate_key(dh, [P,G]),
@@ -563,10 +593,11 @@ handle_kex_ecdh_init(#ssh_msg_kex_ecdh_init{q_c = PeerPublic},
Ssh0 = #ssh{algorithms = #alg{kex=Kex}}) ->
%% at server
Curve = ecdh_curve(Kex),
- case ecdh_validate_public_key(PeerPublic, Curve) of
- true ->
- {MyPublic, MyPrivate} = generate_key(ecdh, Curve),
- K = compute_key(ecdh, PeerPublic, MyPrivate, Curve),
+ {MyPublic, MyPrivate} = generate_key(ecdh, Curve),
+ try
+ compute_key(ecdh, PeerPublic, MyPrivate, Curve)
+ of
+ K ->
MyPrivHostKey = get_host_key(Ssh0),
MyPubHostKey = extract_public_key(MyPrivHostKey),
H = kex_h(Ssh0, Curve, MyPubHostKey, PeerPublic, MyPublic, K),
@@ -579,9 +610,9 @@ handle_kex_ecdh_init(#ssh_msg_kex_ecdh_init{q_c = PeerPublic},
{ok, SshPacket, Ssh1#ssh{keyex_key = {{MyPublic,MyPrivate},Curve},
shared_secret = K,
exchanged_hash = H,
- session_id = sid(Ssh1, H)}};
-
- false ->
+ session_id = sid(Ssh1, H)}}
+ catch
+ _:_ ->
throw({{error,invalid_peer_public_key},
#ssh_msg_disconnect{
code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
@@ -596,9 +627,10 @@ handle_kex_ecdh_reply(#ssh_msg_kex_ecdh_reply{public_host_key = PeerPubHostKey,
#ssh{keyex_key = {{MyPublic,MyPrivate}, Curve}} = Ssh0
) ->
%% at client
- case ecdh_validate_public_key(PeerPublic, Curve) of
- true ->
- K = compute_key(ecdh, PeerPublic, MyPrivate, Curve),
+ try
+ compute_key(ecdh, PeerPublic, MyPrivate, Curve)
+ of
+ K ->
H = kex_h(Ssh0, Curve, PeerPubHostKey, MyPublic, PeerPublic, K),
case verify_host_key(Ssh0, PeerPubHostKey, H, H_SIG) of
ok ->
@@ -613,9 +645,9 @@ handle_kex_ecdh_reply(#ssh_msg_kex_ecdh_reply{public_host_key = PeerPubHostKey,
description = "Key exchange failed",
language = ""}
})
- end;
-
- false ->
+ end
+ catch
+ _:_ ->
throw({{error,invalid_peer_public_key},
#ssh_msg_disconnect{
code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
@@ -626,62 +658,6 @@ handle_kex_ecdh_reply(#ssh_msg_kex_ecdh_reply{public_host_key = PeerPubHostKey,
%%%----------------------------------------------------------------
-%%%
-%%% Standards for Efficient Cryptography Group, "Elliptic Curve Cryptography", SEC 1
-%%% Section 3.2.2.1
-%%%
-
-ecdh_validate_public_key(Key, Curve) ->
- case key_size(Curve) of
- undefined ->
- false;
-
- Sz ->
- case dec_key(Key, Sz) of
- {ok,Q} ->
- case crypto:ec_curve(Curve) of
- {{prime_field,P}, {A, B, _Seed},
- _P0Bin, _OrderBin, _CoFactorBin} ->
- on_curve(Q, bin2int(A), bin2int(B), bin2int(P))
- end;
-
- {error,compressed_not_implemented} -> % Be a bit generous...
- true;
-
- _Error ->
- false
- end
- end.
-
-
-on_curve({X,Y}, A, B, P) when 0 =< X,X =< (P-1),
- 0 =< Y,Y =< (P-1) ->
- %% Section 3.2.2.1, point 2
- (Y*Y) rem P == (X*X*X + A*X + B) rem P;
-on_curve(_, _, _, _) ->
- false.
-
-
-bin2int(B) ->
- Sz = erlang:bit_size(B),
- <<I:Sz/big-unsigned-integer>> = B,
- I.
-
-key_size(secp256r1) -> 256;
-key_size(secp384r1) -> 384;
-key_size(secp521r1) -> 528; % Round 521 up to closest 8-bits.
-key_size(_) -> undefined.
-
-
-dec_key(Key, NBits) ->
- Size = 8 + 2*NBits,
- case <<Key:Size>> of
- <<4:8, X:NBits, Y:NBits>> -> {ok,{X,Y}};
- <<4:8, _/binary>> -> {error,bad_format};
- _ -> {error,compressed_not_implemented}
- end.
-
-%%%----------------------------------------------------------------
handle_new_keys(#ssh_msg_newkeys{}, Ssh0) ->
try install_alg(Ssh0) of
#ssh{} = Ssh ->
@@ -1482,44 +1458,10 @@ peer_name({Host, _}) ->
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-dh_group('diffie-hellman-group1-sha1') -> element(2, ?dh_group1);
-dh_group('diffie-hellman-group14-sha1') -> element(2, ?dh_group14).
-
-dh_gex_default_groups() -> ?dh_default_groups.
-
-
-dh_gex_group(Min, N, Max, undefined) ->
- dh_gex_group(Min, N, Max, dh_gex_default_groups());
-dh_gex_group(Min, N, Max, Groups) ->
- %% First try to find an exact match. If not an exact match, select the largest possible.
- {_Size,Group} =
- lists:foldl(
- fun(_, {I,G}) when I==N ->
- %% If we have an exact match already: use that one
- {I,G};
- ({I,G}, _) when I==N ->
- %% If we now found an exact match: use that very one
- {I,G};
- ({I,G}, {Imax,_Gmax}) when Min=<I,I=<Max, % a) {I,G} fullfills the requirements
- I>Imax -> % b) {I,G} is larger than current max
- %% A group within the limits and better than the one we have
- {I,G};
- (_, IGmax) ->
- %% Keep the one we have
- IGmax
- end, {-1,undefined}, Groups),
-
- case Group of
- undefined ->
- throw(#ssh_msg_disconnect{
- code = ?SSH_DISCONNECT_PROTOCOL_ERROR,
- description = "No possible diffie-hellman-group-exchange group found",
- language = ""});
- _ ->
- Group
- end.
-
+dh_group('diffie-hellman-group1-sha1') -> ?dh_group1;
+dh_group('diffie-hellman-group14-sha1') -> ?dh_group14.
+%%%----------------------------------------------------------------
generate_key(Algorithm, Args) ->
{Public,Private} = crypto:generate_key(Algorithm, Args),
{crypto:bytes_to_integer(Public), crypto:bytes_to_integer(Private)}.
diff --git a/lib/ssh/src/ssh_transport.hrl b/lib/ssh/src/ssh_transport.hrl
index 337f455279..fd43326f0d 100644
--- a/lib/ssh/src/ssh_transport.hrl
+++ b/lib/ssh/src/ssh_transport.hrl
@@ -229,40 +229,13 @@
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%% rfc 2489, ch 6.2
+%%% Size 1024
-define(dh_group1,
- {1024,
- {2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF}}).
+ {2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF}).
%%% rfc 3526, ch3
+%%% Size 2048
-define(dh_group14,
- {2048,
- {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}}).
-
-%%% rfc 3526, ch4
--define(dh_group15,
- {3072,
- {2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3BE39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF6955817183995497CEA956AE515D2261898FA051015728E5A8AAAC42DAD33170D04507A33A85521ABDF1CBA64ECFB850458DBEF0A8AEA71575D060C7DB3970F85A6E1E4C7ABF5AE8CDB0933D71E8C94E04A25619DCEE3D2261AD2EE6BF12FFA06D98A0864D87602733EC86A64521F2B18177B200CBBE117577A615D6C770988C0BAD946E208E24FA074E5AB3143DB5BFCE0FD108E4B82D120A93AD2CAFFFFFFFFFFFFFFFF}}).
-
-%%% rfc 3526, ch5
--define(dh_group16,
- {4096,
- {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}}).
-
-%%% rfc 3526, ch6
--define(dh_group17,
- {6144,
- {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}}).
-
-%%% rfc 3526, ch7
--define(dh_group18,
- {8192,
- {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}}).
-
--define(dh_default_groups, [?dh_group1,
- ?dh_group14,
- ?dh_group15,
- ?dh_group16,
- ?dh_group17,
- ?dh_group18] ).
+ {2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE45B3DC2007CB8A163BF0598DA48361C55D39A69163FA8FD24CF5F83655D23DCA3AD961C62F356208552BB9ED529077096966D670C354E4ABC9804F1746C08CA18217C32905E462E36CE3BE39E772C180E86039B2783A2EC07A28FB5C55DF06F4C52C9DE2BCBF6955817183995497CEA956AE515D2261898FA051015728E5A8AACAA68FFFFFFFFFFFFFFFF}).
-endif. % -ifdef(ssh_transport).
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-12 18:53:52 +0000