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-rw-r--r--erts/emulator/beam/beam_debug.c4
-rw-r--r--erts/emulator/beam/erl_process.c32
-rw-r--r--lib/inets/src/http_client/httpc_handler.erl10
-rw-r--r--lib/ssh/doc/src/ssh.xml18
-rw-r--r--lib/ssh/src/Makefile1
-rw-r--r--lib/ssh/src/ssh.app.src1
-rw-r--r--lib/ssh/src/ssh.erl26
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl42
-rw-r--r--lib/ssh/src/ssh_math.erl42
-rw-r--r--lib/ssh/src/ssh_message.erl17
-rw-r--r--lib/ssh/src/ssh_transport.erl376
-rw-r--r--lib/ssh/src/ssh_transport.hrl61
-rw-r--r--lib/ssh/test/ssh_basic_SUITE.erl66
-rw-r--r--lib/ssh/test/ssh_protocol_SUITE.erl82
-rw-r--r--lib/ssh/test/ssh_protocol_SUITE_data/dh_group_test3
-rw-r--r--lib/ssh/test/ssh_sftp_SUITE.erl87
-rw-r--r--lib/ssh/test/ssh_to_openssh_SUITE.erl116
-rw-r--r--lib/ssl/doc/src/ssl.xml3
18 files changed, 731 insertions, 256 deletions
diff --git a/erts/emulator/beam/beam_debug.c b/erts/emulator/beam/beam_debug.c
index 8a35ad17c6..c774a70d4c 100644
--- a/erts/emulator/beam/beam_debug.c
+++ b/erts/emulator/beam/beam_debug.c
@@ -298,8 +298,8 @@ erts_debug_disassemble_1(BIF_ALIST_1)
(void) erts_bld_uword(NULL, &hsz, (BeamInstr) code_ptr);
hp = HAlloc(p, hsz);
addr = erts_bld_uword(&hp, NULL, (BeamInstr) code_ptr);
- ASSERT(is_atom(funcinfo[0]));
- ASSERT(is_atom(funcinfo[1]));
+ ASSERT(is_atom(funcinfo[0]) || funcinfo[0] == NIL);
+ ASSERT(is_atom(funcinfo[1]) || funcinfo[1] == NIL);
mfa = TUPLE3(hp, (Eterm) funcinfo[0], (Eterm) funcinfo[1], make_small((Eterm) funcinfo[2]));
hp += 4;
return TUPLE3(hp, addr, bin, mfa);
diff --git a/erts/emulator/beam/erl_process.c b/erts/emulator/beam/erl_process.c
index ee1dd36d48..ceca5d4a82 100644
--- a/erts/emulator/beam/erl_process.c
+++ b/erts/emulator/beam/erl_process.c
@@ -11522,10 +11522,14 @@ save_pending_exiter(Process *p)
{
ErtsProcList *plp;
ErtsRunQueue *rq;
+ ErtsSchedulerData *esdp = erts_get_scheduler_data();
ERTS_SMP_LC_ASSERT(ERTS_PROC_LOCK_STATUS & erts_proc_lc_my_proc_locks(p));
- rq = erts_get_runq_current(NULL);
+ if (!esdp)
+ rq = RUNQ_READ_RQ(&p->run_queue);
+ else
+ rq = esdp->run_queue;
plp = proclist_create(p);
@@ -11542,6 +11546,7 @@ save_pending_exiter(Process *p)
else
#endif
wake_scheduler(rq);
+
}
#endif
@@ -11730,23 +11735,21 @@ send_exit_signal(Process *c_p, /* current process if and only
if (need_locks
&& erts_smp_proc_trylock(rp, need_locks) == EBUSY) {
/* ... but we havn't got all locks on it ... */
- save_pending_exiter(rp);
+ save_pending_exiter(rp);
/*
* The pending exit will be discovered when next
* process is scheduled in
*/
- goto set_pending_exit;
- }
- else {
- /* ...and we have all locks on it... */
- *rp_locks = ERTS_PROC_LOCKS_ALL;
- set_proc_exiting(rp,
- state,
- (is_immed(rsn)
- ? rsn
- : copy_object(rsn, rp)),
- NULL);
+ goto set_pending_exit;
}
+ /* ...and we have all locks on it... */
+ *rp_locks = ERTS_PROC_LOCKS_ALL;
+ set_proc_exiting(rp,
+ state,
+ (is_immed(rsn)
+ ? rsn
+ : copy_object(rsn, rp)),
+ NULL);
}
else { /* Process running... */
@@ -12126,7 +12129,8 @@ erts_do_exit_process(Process* p, Eterm reason)
#endif
if (p->static_flags & ERTS_STC_FLG_SYSTEM_PROC)
- erl_exit(1, "System process %T terminated: %T\n", p->common.id, reason);
+ erl_exit(ERTS_DUMP_EXIT, "System process %T terminated: %T\n",
+ p->common.id, reason);
#ifdef ERTS_SMP
ERTS_SMP_CHK_HAVE_ONLY_MAIN_PROC_LOCK(p);
diff --git a/lib/inets/src/http_client/httpc_handler.erl b/lib/inets/src/http_client/httpc_handler.erl
index 3f979de078..205348524a 100644
--- a/lib/inets/src/http_client/httpc_handler.erl
+++ b/lib/inets/src/http_client/httpc_handler.erl
@@ -421,6 +421,16 @@ handle_cast({cancel, RequestId},
{profile, ProfileName},
{canceled, Canceled}]),
{noreply, State#state{canceled = [RequestId | Canceled]}};
+handle_cast({cancel, RequestId},
+ #state{profile_name = ProfileName,
+ request = undefined,
+ canceled = Canceled} = State) ->
+ ?hcrv("cancel", [{request_id, RequestId},
+ {curr_req_id, undefined},
+ {profile, ProfileName},
+ {canceled, Canceled}]),
+ {noreply, State};
+
handle_cast(stream_next, #state{session = Session} = State) ->
activate_once(Session),
diff --git a/lib/ssh/doc/src/ssh.xml b/lib/ssh/doc/src/ssh.xml
index d24025ca4d..cf5e8f1aff 100644
--- a/lib/ssh/doc/src/ssh.xml
+++ b/lib/ssh/doc/src/ssh.xml
@@ -43,7 +43,7 @@
<item>Supported public key algorithms: ssh-rsa and ssh-dss.</item>
<item>Supported MAC algorithms: hmac-sha2-256 and hmac-sha1.</item>
<item>Supported encryption algorithms: aes128-ctr, aes128-cb and 3des-cbc.</item>
- <item>Supported key exchange algorithms: diffie-hellman-group1-sha1.</item>
+ <item>Supported key exchange algorithms: diffie-hellman-group1-sha1, diffie-hellman-group14-sha1, diffie-hellman-group-exchange-sha1 and diffie-hellman-group-exchange-sha256.</item>
<item>Supported compression algorithms: none, zlib, [email protected],</item>
<item>Supports unicode filenames if the emulator and the underlaying OS support it.
See section DESCRIPTION in the
@@ -240,6 +240,13 @@ kex is implicit but public_key is set explicitly.</p>
</warning>
</item>
+ <tag><c><![CDATA[{dh_gex_limits,{Min=integer(),I=integer(),Max=integer()}}]]></c></tag>
+ <item>
+ <p>Sets the three diffie-hellman-group-exchange parameters that guides the connected server in choosing a group.
+ See RFC 4419 for the function of thoose. The default value is <c>{512, 1024, 4096}</c>.
+ </p>
+ </item>
+
<tag><c><![CDATA[{connect_timeout, timeout()}]]></c></tag>
<item>
<p>Sets a time-out on the transport layer
@@ -449,6 +456,15 @@ kex is implicit but public_key is set explicitly.</p>
</warning>
</item>
+ <tag><c><![CDATA[{dh_gex_groups, [{Size=integer(),G=integer(),P=integer()}] | {file,filename()} }]]></c></tag>
+ <item>
+ <p>Sets the groups that the server may choose among when diffie-hellman-group-exchange is negotiated.
+ See RFC 4419 for details.
+ </p>
+ <p>If the parameter is <c>{file,filename()}</c>, the file must exist and have one or more three-tuples terminated by a dot. The interpretation is as if the tuples had been given directly in the option. The file is read when the daemon starts.
+ </p>
+ </item>
+
<tag><c><![CDATA[{pwdfun, fun(User::string(), password::string()) -> boolean()}]]></c></tag>
<item>
<p>Provides a function for password validation. This function is called
diff --git a/lib/ssh/src/Makefile b/lib/ssh/src/Makefile
index 61d71d2cf7..98fb90d7c4 100644
--- a/lib/ssh/src/Makefile
+++ b/lib/ssh/src/Makefile
@@ -67,7 +67,6 @@ MODULES= \
ssh_file \
ssh_io \
ssh_info \
- ssh_math \
ssh_message \
ssh_no_io \
ssh_sftp \
diff --git a/lib/ssh/src/ssh.app.src b/lib/ssh/src/ssh.app.src
index bc01c539e0..4a76fd9cd3 100644
--- a/lib/ssh/src/ssh.app.src
+++ b/lib/ssh/src/ssh.app.src
@@ -24,7 +24,6 @@
ssh_file,
ssh_io,
ssh_info,
- ssh_math,
ssh_no_io,
ssh_server_key_api,
ssh_sftp,
diff --git a/lib/ssh/src/ssh.erl b/lib/ssh/src/ssh.erl
index 370f086600..5b2e0a988c 100644
--- a/lib/ssh/src/ssh.erl
+++ b/lib/ssh/src/ssh.erl
@@ -373,6 +373,10 @@ handle_option([{auth_method_kb_interactive_data, _} = Opt | Rest], SocketOptions
handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
handle_option([{preferred_algorithms,_} = Opt | Rest], SocketOptions, SshOptions) ->
handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
+handle_option([{dh_gex_groups,_} = Opt | Rest], SocketOptions, SshOptions) ->
+ handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
+handle_option([{dh_gex_limits,_} = Opt | Rest], SocketOptions, SshOptions) ->
+ handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
handle_option([{quiet_mode, _} = Opt|Rest], SocketOptions, SshOptions) ->
handle_option(Rest, SocketOptions, [handle_ssh_option(Opt) | SshOptions]);
handle_option([{idle_time, _} = Opt | Rest], SocketOptions, SshOptions) ->
@@ -411,6 +415,28 @@ 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_limits,{Min,I,Max}} = Opt) when is_integer(Min), Min>0,
+ is_integer(I), I>=Min,
+ is_integer(Max), Max>=I ->
+ Opt;
handle_ssh_option({connect_timeout, Value} = Opt) when is_integer(Value); Value == infinity ->
Opt;
handle_ssh_option({max_sessions, Value} = Opt) when is_integer(Value), Value>0 ->
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index a9c60d0674..c059834b27 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -46,7 +46,9 @@
get_print_info/1]).
%% gen_fsm callbacks
--export([hello/2, kexinit/2, key_exchange/2, new_keys/2,
+-export([hello/2, kexinit/2, key_exchange/2,
+ key_exchange_dh_gex_init/2, key_exchange_dh_gex_reply/2,
+ new_keys/2,
userauth/2, connected/2,
error/2]).
@@ -417,27 +419,39 @@ key_exchange(#ssh_msg_kexdh_reply{} = Msg,
send_msg(NewKeys, State),
{next_state, new_keys, next_packet(State#state{ssh_params = Ssh})};
-key_exchange(#ssh_msg_kex_dh_gex_group{} = Msg,
+key_exchange(#ssh_msg_kex_dh_gex_request{} = Msg,
#state{ssh_params = #ssh{role = server} = Ssh0} = State) ->
- {ok, NextKexMsg, Ssh1} = ssh_transport:handle_kex_dh_gex_group(Msg, Ssh0),
- send_msg(NextKexMsg, State),
- {ok, NewKeys, Ssh} = ssh_transport:new_keys_message(Ssh1),
- send_msg(NewKeys, State),
- {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})};
+ {ok, GexGroup, Ssh} = ssh_transport:handle_kex_dh_gex_request(Msg, Ssh0),
+ send_msg(GexGroup, State),
+ {next_state, key_exchange_dh_gex_init, next_packet(State#state{ssh_params = Ssh})};
-key_exchange(#ssh_msg_kex_dh_gex_request{} = Msg,
+key_exchange(#ssh_msg_kex_dh_gex_group{} = Msg,
#state{ssh_params = #ssh{role = client} = Ssh0} = State) ->
- {ok, NextKexMsg, Ssh} = ssh_transport:handle_kex_dh_gex_request(Msg, Ssh0),
- send_msg(NextKexMsg, State),
- {next_state, new_keys, next_packet(State#state{ssh_params = Ssh})};
+ {ok, KexGexInit, Ssh} = ssh_transport:handle_kex_dh_gex_group(Msg, Ssh0),
+ send_msg(KexGexInit, State),
+ {next_state, key_exchange_dh_gex_reply, next_packet(State#state{ssh_params = Ssh})}.
-key_exchange(#ssh_msg_kex_dh_gex_reply{} = Msg,
- #state{ssh_params = #ssh{role = client} = Ssh0} = State) ->
- {ok, NewKeys, Ssh} = ssh_transport:handle_kex_dh_gex_reply(Msg, Ssh0),
+%%--------------------------------------------------------------------
+-spec key_exchange_dh_gex_init(#ssh_msg_kex_dh_gex_init{}, #state{}) -> gen_fsm_state_return().
+%%--------------------------------------------------------------------
+key_exchange_dh_gex_init(#ssh_msg_kex_dh_gex_init{} = Msg,
+ #state{ssh_params = #ssh{role = server} = Ssh0} = State) ->
+ {ok, KexGexReply, Ssh1} = ssh_transport:handle_kex_dh_gex_init(Msg, Ssh0),
+ send_msg(KexGexReply, State),
+ {ok, NewKeys, Ssh} = ssh_transport:new_keys_message(Ssh1),
send_msg(NewKeys, State),
{next_state, new_keys, next_packet(State#state{ssh_params = Ssh})}.
%%--------------------------------------------------------------------
+-spec key_exchange_dh_gex_reply(#ssh_msg_kex_dh_gex_reply{}, #state{}) -> gen_fsm_state_return().
+%%--------------------------------------------------------------------
+key_exchange_dh_gex_reply(#ssh_msg_kex_dh_gex_reply{} = Msg,
+ #state{ssh_params = #ssh{role = client} = Ssh0} = State) ->
+ {ok, NewKeys, Ssh1} = ssh_transport:handle_kex_dh_gex_reply(Msg, Ssh0),
+ send_msg(NewKeys, State),
+ {next_state, new_keys, next_packet(State#state{ssh_params = Ssh1})}.
+
+%%--------------------------------------------------------------------
-spec new_keys(#ssh_msg_newkeys{}, #state{}) -> gen_fsm_state_return().
%%--------------------------------------------------------------------
diff --git a/lib/ssh/src/ssh_math.erl b/lib/ssh/src/ssh_math.erl
deleted file mode 100644
index cace85bc93..0000000000
--- a/lib/ssh/src/ssh_math.erl
+++ /dev/null
@@ -1,42 +0,0 @@
-%%
-%% %CopyrightBegin%
-%%
-%% Copyright Ericsson AB 2005-2013. All Rights Reserved.
-%%
-%% Licensed under the Apache License, Version 2.0 (the "License");
-%% you may not use this file except in compliance with the License.
-%% You may obtain a copy of the License at
-%%
-%% http://www.apache.org/licenses/LICENSE-2.0
-%%
-%% Unless required by applicable law or agreed to in writing, software
-%% distributed under the License is distributed on an "AS IS" BASIS,
-%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-%% See the License for the specific language governing permissions and
-%% limitations under the License.
-%%
-%% %CopyrightEnd%
-%%
-
-%%
-
-%%% Description: SSH math utilities
-
--module(ssh_math).
-
--export([ipow/3]).
-
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%%
-%% INTEGER utils
-%%
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-
-%% calculate A^B mod M
-ipow(A, B, M) when M > 0, B >= 0 ->
- crypto:bytes_to_integer(crypto:mod_pow(A, B, M)).
-
-
-
-
-
diff --git a/lib/ssh/src/ssh_message.erl b/lib/ssh/src/ssh_message.erl
index 1f0f6fb15f..7b786b8fff 100644
--- a/lib/ssh/src/ssh_message.erl
+++ b/lib/ssh/src/ssh_message.erl
@@ -237,7 +237,7 @@ encode(#ssh_msg_kex_dh_gex_request{
max = Max
}) ->
ssh_bits:encode([?SSH_MSG_KEX_DH_GEX_REQUEST, Min, N, Max],
- [byte, uint32, uint32, uint32, uint32]);
+ [byte, uint32, uint32, uint32]);
encode(#ssh_msg_kex_dh_gex_request_old{n = N}) ->
ssh_bits:encode([?SSH_MSG_KEX_DH_GEX_REQUEST_OLD, N],
[byte, uint32]);
@@ -257,7 +257,7 @@ encode(#ssh_msg_kex_dh_gex_reply{
}) ->
EncKey = encode_host_key(Key),
EncSign = encode_sign(Key, Signature),
- ssh_bits:encode([?SSH_MSG_KEXDH_REPLY, EncKey, F, EncSign], [byte, binary, mpint, binary]);
+ ssh_bits:encode([?SSH_MSG_KEX_DH_GEX_REPLY, EncKey, F, EncSign], [byte, binary, mpint, binary]);
encode(#ssh_msg_ignore{data = Data}) ->
ssh_bits:encode([?SSH_MSG_IGNORE, Data], [byte, string]);
@@ -442,6 +442,19 @@ decode(<<?BYTE(?SSH_MSG_KEX_DH_GEX_GROUP),
p = Prime,
g = Generator
};
+decode(<<?BYTE(?SSH_MSG_KEX_DH_GEX_INIT), ?UINT32(Len), E:Len/big-signed-integer-unit:8>>) ->
+ #ssh_msg_kex_dh_gex_init{
+ e = E
+ };
+decode(<<?BYTE(?SSH_MSG_KEX_DH_GEX_REPLY),
+ ?UINT32(Len0), Key:Len0/binary,
+ ?UINT32(Len1), F:Len1/big-signed-integer-unit:8,
+ ?UINT32(Len2), Hashsign:Len2/binary>>) ->
+ #ssh_msg_kex_dh_gex_reply{
+ public_host_key = decode_host_key(Key),
+ f = F,
+ h_sig = decode_sign(Hashsign)
+ };
decode(<<?BYTE(?SSH_MSG_KEXDH_REPLY), ?UINT32(Len0), Key:Len0/binary,
?UINT32(Len1), F:Len1/big-signed-integer-unit:8,
?UINT32(Len2), Hashsign:Len2/binary>>) ->
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index 2e7391e1f8..38a0b7ec7c 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -39,7 +39,7 @@
key_exchange_init_msg/1,
key_init/3, new_keys_message/1,
handle_kexinit_msg/3, handle_kexdh_init/2,
- handle_kex_dh_gex_group/2, handle_kex_dh_gex_reply/2,
+ handle_kex_dh_gex_group/2, handle_kex_dh_gex_init/2, handle_kex_dh_gex_reply/2,
handle_new_keys/2, handle_kex_dh_gex_request/2,
handle_kexdh_reply/2,
unpack/3, decompress/2, ssh_packet/2, pack/2, msg_data/1,
@@ -66,6 +66,8 @@ algo_classes() -> [kex, public_key, cipher, mac, compression].
default_algorithms(compression) ->
%% Do not announce '[email protected]' because there seem to be problems
supported_algorithms(compression, same(['[email protected]']));
+default_algorithms(kex) ->
+ supported_algorithms(kex, []);
default_algorithms(Alg) ->
supported_algorithms(Alg).
@@ -73,23 +75,29 @@ default_algorithms(Alg) ->
supported_algorithms() -> [{K,supported_algorithms(K)} || K <- algo_classes()].
supported_algorithms(kex) ->
- ['diffie-hellman-group1-sha1'];
+ select_crypto_supported(
+ [{'diffie-hellman-group14-sha1', [{hashs,sha}]},
+ {'diffie-hellman-group1-sha1', [{hashs,sha}]},
+ {'diffie-hellman-group-exchange-sha256', [{hashs,sha256}]},
+ {'diffie-hellman-group-exchange-sha1', [{hashs,sha}]}
+ ]);
supported_algorithms(public_key) ->
ssh_auth:default_public_key_algorithms();
supported_algorithms(cipher) ->
- Supports = crypto:supports(),
- CipherAlgos = [{aes_ctr, 'aes128-ctr'}, {aes_cbc128, 'aes128-cbc'}, {des3_cbc, '3des-cbc'}],
- Algs = [SshAlgo ||
- {CryptoAlgo, SshAlgo} <- CipherAlgos,
- lists:member(CryptoAlgo, proplists:get_value(ciphers, Supports, []))],
- same(Algs);
+ same(
+ select_crypto_supported(
+ [{'aes128-ctr', [{ciphers,aes_ctr}]},
+ {'aes128-cbc', [{ciphers,aes_cbc128}]},
+ {'3des-cbc', [{ciphers,des3_cbc}]}
+ ]
+ ));
supported_algorithms(mac) ->
- Supports = crypto:supports(),
- HashAlgos = [{sha256, 'hmac-sha2-256'}, {sha, 'hmac-sha1'}],
- Algs = [SshAlgo ||
- {CryptoAlgo, SshAlgo} <- HashAlgos,
- lists:member(CryptoAlgo, proplists:get_value(hashs, Supports, []))],
- same(Algs);
+ same(
+ select_crypto_supported(
+ [{'hmac-sha2-256', [{hashs,sha256}]},
+ {'hmac-sha1', [{hashs,sha}]}
+ ]
+ ));
supported_algorithms(compression) ->
same(['none','zlib','[email protected]']).
@@ -100,7 +108,15 @@ supported_algorithms(Key, [{client2server,BL1},{server2client,BL2}]) ->
supported_algorithms(Key, BlackList) ->
supported_algorithms(Key) -- BlackList.
-
+select_crypto_supported(L) ->
+ Sup = crypto:supports(),
+ [Name || {Name,CryptoRequires} <- L,
+ crypto_supported(CryptoRequires, Sup)].
+
+crypto_supported(Conditions, Supported) ->
+ lists:all(fun({Tag,CryptoName}) ->
+ lists:member(CryptoName, proplists:get_value(Tag,Supported,[]))
+ end, Conditions).
same(Algs) -> [{client2server,Algs}, {server2client,Algs}].
@@ -135,7 +151,7 @@ ssh_vsn() ->
_:_ -> ""
end.
-random_id(Nlo, Nup) ->
+random_id(Nlo, Nup) ->
[crypto:rand_uniform($a,$z+1) || _<- lists:duplicate(crypto:rand_uniform(Nlo,Nup+1),x) ].
hello_version_msg(Data) ->
@@ -144,7 +160,7 @@ hello_version_msg(Data) ->
next_seqnum(SeqNum) ->
(SeqNum + 1) band 16#ffffffff.
-decrypt_first_block(Bin, #ssh{decrypt_block_size = BlockSize} = Ssh0) ->
+decrypt_first_block(Bin, #ssh{decrypt_block_size = BlockSize} = Ssh0) ->
<<EncBlock:BlockSize/binary, EncData/binary>> = Bin,
{Ssh, <<?UINT32(PacketLen), _/binary>> = DecData} =
decrypt(Ssh0, EncBlock),
@@ -279,34 +295,50 @@ verify_algorithm(#alg{compress = undefined}) -> false;
verify_algorithm(#alg{decompress = undefined}) -> false;
verify_algorithm(#alg{kex = 'diffie-hellman-group1-sha1'}) -> true;
+verify_algorithm(#alg{kex = 'diffie-hellman-group14-sha1'}) -> true;
verify_algorithm(#alg{kex = 'diffie-hellman-group-exchange-sha1'}) -> true;
+verify_algorithm(#alg{kex = 'diffie-hellman-group-exchange-sha256'}) -> true;
verify_algorithm(_) -> false.
-key_exchange_first_msg('diffie-hellman-group1-sha1', Ssh0) ->
- {G, P} = dh_group1(),
+%%%----------------------------------------------------------------
+%%%
+%%% Key exchange initialization
+%%%
+key_exchange_first_msg(Kex, Ssh0) when Kex == 'diffie-hellman-group1-sha1' ;
+ Kex == 'diffie-hellman-group14-sha1' ->
+ {G, P} = dh_group(Kex),
{Private, Public} = dh_gen_key(G, P, 1024),
+ %% Public = G^Private mod P (def)
{SshPacket, Ssh1} = ssh_packet(#ssh_msg_kexdh_init{e = Public}, Ssh0),
{ok, SshPacket,
Ssh1#ssh{keyex_key = {{Private, Public}, {G, P}}}};
-key_exchange_first_msg('diffie-hellman-group-exchange-sha1', Ssh0) ->
+key_exchange_first_msg(Kex, Ssh0) when Kex == 'diffie-hellman-group-exchange-sha1' ;
+ Kex == 'diffie-hellman-group-exchange-sha256' ->
Min = ?DEFAULT_DH_GROUP_MIN,
NBits = ?DEFAULT_DH_GROUP_NBITS,
Max = ?DEFAULT_DH_GROUP_MAX,
{SshPacket, Ssh1} =
ssh_packet(#ssh_msg_kex_dh_gex_request{min = Min,
- n = NBits, max = Max},
+ n = NBits,
+ max = Max},
Ssh0),
{ok, SshPacket,
Ssh1#ssh{keyex_info = {Min, Max, NBits}}}.
-
-handle_kexdh_init(#ssh_msg_kexdh_init{e = E}, Ssh0) ->
- {G, P} = dh_group1(),
+%%%----------------------------------------------------------------
+%%%
+%%% diffie-hellman-group1-sha1
+%%% diffie-hellman-group14-sha1
+%%%
+handle_kexdh_init(#ssh_msg_kexdh_init{e = E},
+ Ssh0 = #ssh{algorithms = #alg{kex=Kex}}) ->
+ %% server
+ {G, P} = dh_group(Kex),
if
1=<E, E=<(P-1) ->
{Private, Public} = dh_gen_key(G, P, 1024),
- K = ssh_math:ipow(E, Private, P),
+ K = dh_compute_key(G, P, E, Private),
Key = get_host_key(Ssh0),
H = kex_h(Ssh0, Key, E, Public, K),
H_SIG = sign_host_key(Ssh0, Key, H),
@@ -314,27 +346,173 @@ handle_kexdh_init(#ssh_msg_kexdh_init{e = E}, Ssh0) ->
f = Public,
h_sig = H_SIG
}, Ssh0),
-
{ok, SshPacket, Ssh1#ssh{keyex_key = {{Private, Public}, {G, P}},
shared_secret = K,
exchanged_hash = H,
session_id = sid(Ssh1, H)}};
+
true ->
- Error = {error,bad_e_from_peer},
- Disconnect = #ssh_msg_disconnect{
- code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
- description = "Key exchange failed, 'f' out of bounds",
- language = "en"},
- throw({Error, Disconnect})
+ throw({{error,bad_e_from_peer},
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed, 'e' out of bounds",
+ language = ""}
+ })
end.
+handle_kexdh_reply(#ssh_msg_kexdh_reply{public_host_key = HostKey,
+ f = F,
+ h_sig = H_SIG},
+ #ssh{keyex_key = {{Private, Public}, {G, P}}} = Ssh0) ->
+ %% client
+ if
+ 1=<F, F=<(P-1)->
+ K = dh_compute_key(G, P, F, Private),
+ H = kex_h(Ssh0, HostKey, Public, F, K),
+
+ case verify_host_key(Ssh0, HostKey, H, H_SIG) of
+ ok ->
+ {SshPacket, Ssh} = ssh_packet(#ssh_msg_newkeys{}, Ssh0),
+ {ok, SshPacket, Ssh#ssh{shared_secret = K,
+ exchanged_hash = H,
+ session_id = sid(Ssh, H)}};
+ Error ->
+ throw({Error,
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed",
+ language = "en"}
+ })
+ end;
+
+ true ->
+ throw({{error,bad_f_from_peer},
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed, 'f' out of bounds",
+ language = ""}
+ })
+ end.
+
+
+%%%----------------------------------------------------------------
+%%%
+%%% diffie-hellman-group-exchange-sha1
+%%%
+handle_kex_dh_gex_request(#ssh_msg_kex_dh_gex_request{min = Min,
+ n = NBits,
+ max = Max},
+ Ssh0=#ssh{opts=Opts}) when Min=<NBits, NBits=<Max ->
+ %% server
+ {G, P} = dh_gex_group(Min, NBits, Max, proplists:get_value(dh_gex_groups,Opts)),
+ {Private, Public} = dh_gen_key(G, P, 1024),
+ {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}
+ }};
+handle_kex_dh_gex_request(_, _) ->
+ throw({{error,bad_ssh_msg_kex_dh_gex_request},
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed, bad values in ssh_msg_kex_dh_gex_request",
+ language = ""}
+ }).
+
handle_kex_dh_gex_group(#ssh_msg_kex_dh_gex_group{p = P, g = G}, Ssh0) ->
- {Private, Public} = dh_gen_key(G,P,1024),
+ %% client
+ {Private, Public} = dh_gen_key(G, P, 1024),
{SshPacket, Ssh1} =
- ssh_packet(#ssh_msg_kex_dh_gex_init{e = Public}, Ssh0),
+ ssh_packet(#ssh_msg_kex_dh_gex_init{e = Public}, Ssh0), % Pub = G^Priv mod P (def)
+
{ok, SshPacket,
Ssh1#ssh{keyex_key = {{Private, Public}, {G, P}}}}.
+handle_kex_dh_gex_init(#ssh_msg_kex_dh_gex_init{e = E},
+ #ssh{keyex_key = {{Private, Public}, {G, P}},
+ keyex_info = {Min, Max, NBits}} =
+ Ssh0) ->
+ %% server
+ if
+ 1=<E, E=<(P-1) ->
+ K = dh_compute_key(G, P, E, Private),
+ if
+ 1<K, K<(P-1) ->
+ HostKey = get_host_key(Ssh0),
+ H = kex_h(Ssh0, HostKey, Min, NBits, Max, P, G, E, Public, K),
+ H_SIG = sign_host_key(Ssh0, HostKey, H),
+ {SshPacket, Ssh} =
+ ssh_packet(#ssh_msg_kex_dh_gex_reply{public_host_key = HostKey,
+ f = Public,
+ h_sig = H_SIG}, Ssh0),
+ {ok, SshPacket, Ssh#ssh{shared_secret = K,
+ exchanged_hash = H,
+ session_id = sid(Ssh, H)
+ }};
+ true ->
+ throw({{error,bad_K},
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed, 'K' out of bounds",
+ language = ""}
+ })
+ end;
+ true ->
+ throw({{error,bad_e_from_peer},
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed, 'e' out of bounds",
+ language = ""}
+ })
+ end.
+
+handle_kex_dh_gex_reply(#ssh_msg_kex_dh_gex_reply{public_host_key = HostKey,
+ f = F,
+ h_sig = H_SIG},
+ #ssh{keyex_key = {{Private, Public}, {G, P}},
+ keyex_info = {Min, Max, NBits}} =
+ Ssh0) ->
+ %% client
+ if
+ 1=<F, F=<(P-1)->
+ K = dh_compute_key(G, P, F, Private),
+ if
+ 1<K, K<(P-1) ->
+ H = kex_h(Ssh0, HostKey, Min, NBits, Max, P, G, Public, F, K),
+
+ case verify_host_key(Ssh0, HostKey, H, H_SIG) of
+ ok ->
+ {SshPacket, Ssh} = ssh_packet(#ssh_msg_newkeys{}, Ssh0),
+ {ok, SshPacket, Ssh#ssh{shared_secret = K,
+ exchanged_hash = H,
+ session_id = sid(Ssh, H)}};
+ _Error ->
+ throw(#ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed",
+ language = ""}
+ )
+ end;
+
+ true ->
+ throw({{error,bad_K},
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed, 'K' out of bounds",
+ language = ""}
+ })
+ end;
+ true ->
+ throw({{error,bad_f_from_peer},
+ #ssh_msg_disconnect{
+ code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
+ description = "Key exchange failed, 'f' out of bounds",
+ language = ""}
+ })
+ end.
+
+%%%----------------------------------------------------------------
handle_new_keys(#ssh_msg_newkeys{}, Ssh0) ->
try install_alg(Ssh0) of
#ssh{} = Ssh ->
@@ -346,69 +524,6 @@ handle_new_keys(#ssh_msg_newkeys{}, Ssh0) ->
language = "en"})
end.
-
-%% %% Select algorithms
-handle_kexdh_reply(#ssh_msg_kexdh_reply{public_host_key = HostKey, f = F,
- h_sig = H_SIG},
- #ssh{keyex_key = {{Private, Public}, {_G, P}}} = Ssh0) when 1=<F, F=<(P-1)->
- K = ssh_math:ipow(F, Private, P),
- H = kex_h(Ssh0, HostKey, Public, F, K),
-
- case verify_host_key(Ssh0, HostKey, H, H_SIG) of
- ok ->
- {SshPacket, Ssh} = ssh_packet(#ssh_msg_newkeys{}, Ssh0),
- {ok, SshPacket, Ssh#ssh{shared_secret = K,
- exchanged_hash = H,
- session_id = sid(Ssh, H)}};
- Error ->
- Disconnect = #ssh_msg_disconnect{
- code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
- description = "Key exchange failed",
- language = "en"},
- throw({Error, Disconnect})
- end;
-handle_kexdh_reply(#ssh_msg_kexdh_reply{}, _SSH) ->
- Error = {error,bad_f_from_peer},
- Disconnect = #ssh_msg_disconnect{
- code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
- description = "Key exchange failed, 'f' out of bounds",
- language = "en"},
- throw({Error, Disconnect}).
-
-
-handle_kex_dh_gex_request(#ssh_msg_kex_dh_gex_request{min = _Min,
- n = _NBits,
- max = _Max}, Ssh0) ->
- {G,P} = dh_group1(), %% TODO real imp this seems to be a hack?!
- {Private, Public} = dh_gen_key(G, P, 1024),
- {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}}}}.
-
-handle_kex_dh_gex_reply(#ssh_msg_kex_dh_gex_reply{public_host_key = HostKey,
- f = F,
- h_sig = H_SIG},
- #ssh{keyex_key = {{Private, Public}, {G, P}},
- keyex_info = {Min, Max, NBits}} =
- Ssh0) ->
- K = ssh_math:ipow(F, Private, P),
- H = kex_h(Ssh0, HostKey, Min, NBits, Max, P, G, Public, F, K),
-
- case verify_host_key(Ssh0, HostKey, H, H_SIG) of
- ok ->
- {SshPacket, Ssh} = ssh_packet(#ssh_msg_newkeys{}, Ssh0),
- {ok, SshPacket, Ssh#ssh{shared_secret = K,
- exchanged_hash = H,
- session_id = sid(Ssh, H)}};
- _Error ->
- Disconnect = #ssh_msg_disconnect{
- code = ?SSH_DISCONNECT_KEY_EXCHANGE_FAILED,
- description = "Key exchange failed",
- language = "en"},
- throw(Disconnect)
- end.
-
%% select session id
sid(#ssh{session_id = undefined}, H) ->
H;
@@ -511,7 +626,6 @@ select_algorithm(Role, Client, Server) ->
decompress = Decompression,
c_lng = C_Lng,
s_lng = S_Lng},
-%%ct:pal("~p~n Client=~p~n Server=~p~n Alg=~p~n",[Role,Client,Server,Alg]),
{ok, Alg}.
select_encrypt_decrypt(client, Client, Server) ->
@@ -706,6 +820,7 @@ verify(PlainText, Hash, Sig, Key) ->
%% key exchange
%%
%% diffie-hellman-group1-sha1 REQUIRED
+%% diffie-hellman-group14-sha1 REQUIRED
%%
%%
@@ -1001,7 +1116,7 @@ recv_mac_init(SSH) ->
recv_mac_final(SSH) ->
{ok, SSH#ssh { recv_mac = none, recv_mac_key = undefined }}.
-mac(none, _ , _, _) ->
+mac(none, _ , _, _) ->
<<>>;
mac('hmac-sha1', Key, SeqNum, Data) ->
crypto:hmac(sha, Key, [<<?UINT32(SeqNum)>>, Data]);
@@ -1020,8 +1135,12 @@ hash(SSH, Char, Bits) ->
case SSH#ssh.kex of
'diffie-hellman-group1-sha1' ->
fun(Data) -> crypto:hash(sha, Data) end;
+ 'diffie-hellman-group14-sha1' ->
+ fun(Data) -> crypto:hash(sha, Data) end;
'diffie-hellman-group-exchange-sha1' ->
fun(Data) -> crypto:hash(sha, Data) end;
+ 'diffie-hellman-group-exchange-sha256' ->
+ fun(Data) -> crypto:hash(sha256, Data) end;
_ ->
exit({bad_algorithm,SSH#ssh.kex})
end,
@@ -1071,8 +1190,11 @@ kex_h(SSH, Key, Min, NBits, Max, Prime, Gen, E, F, K) ->
ssh_message:encode_host_key(Key), Min, NBits, Max,
Prime, Gen, E,F,K], Ts)
end,
- crypto:hash(sha,L).
+ crypto:hash(sha((SSH#ssh.algorithms)#alg.kex), L).
+sha('diffie-hellman-group-exchange-sha1') -> sha;
+sha('diffie-hellman-group-exchange-sha256') -> sha256.
+
mac_key_size('hmac-sha1') -> 20*8;
mac_key_size('hmac-sha1-96') -> 20*8;
mac_key_size('hmac-md5') -> 16*8;
@@ -1096,13 +1218,63 @@ peer_name({Host, _}) ->
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-dh_group1() ->
- {2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF}.
+dh_group('diffie-hellman-group1-sha1') -> ?dh_group1;
+dh_group('diffie-hellman-group14-sha1') -> ?dh_group14.
+
+dh_gex_default_groups() ->
+ [{1024, ?dh_group1 },
+ {2048, ?dh_group14},
+ {3072, ?dh_group15},
+ {4096, ?dh_group16}].
+
+
+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.
+ {_,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_gen_key(G, P, _) ->
{Public, Private} = crypto:generate_key(dh, [P, G]),
{crypto:bytes_to_integer(Private), crypto:bytes_to_integer(Public)}.
+dh_compute_key(G, P, OthersPublic, MyPrivate) ->
+ crypto:bytes_to_integer(
+ crypto:compute_key(dh, OthersPublic, MyPrivate, [P,G])
+ ).
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%%
+%% Other utils
+%%
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
trim_tail(Str) ->
lists:reverse(trim_head(lists:reverse(Str))).
diff --git a/lib/ssh/src/ssh_transport.hrl b/lib/ssh/src/ssh_transport.hrl
index 2faf8a9316..9e1de171c2 100644
--- a/lib/ssh/src/ssh_transport.hrl
+++ b/lib/ssh/src/ssh_transport.hrl
@@ -188,49 +188,24 @@
-define(SSH_DISCONNECT_NO_MORE_AUTH_METHODS_AVAILABLE, 14).
-define(SSH_DISCONNECT_ILLEGAL_USER_NAME, 15).
+%% groups
+
+%%% rfc 2489, ch 6.2
+-define(dh_group1,
+ {2, 16#FFFFFFFFFFFFFFFFC90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B139B22514A08798E3404DDEF9519B3CD3A431B302B0A6DF25F14374FE1356D6D51C245E485B576625E7EC6F44C42E9A637ED6B0BFF5CB6F406B7EDEE386BFB5A899FA5AE9F24117C4B1FE649286651ECE65381FFFFFFFFFFFFFFFF}).
+
+%%% rfc 3526, ch3
+-define(dh_group14,
+ {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}).
+
+%%% rfc 3526, ch4
+-define(dh_group15,
+ {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}).
+
+%%% rfc 3526, ch5
+-define(dh_group16,
+ {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}).
+
-%%%----------------------------------------------------------------------
-%%% # DH_14_xxx
-%%% Description: Oakley group 14 prime numbers and generator. Used in
-%%% diffie-hellman-group1-sha1 key exchange method.
-%%%----------------------------------------------------------------------
-%%%----------------------------------------------------------------------
-%%% # DH_14_P
-%%% Description: Prime for this group
-%%%----------------------------------------------------------------------
-
--define(DH_14_P,
- <<000,000,000,129,000,255,255,255,255,255,255,255,255,201,015,218,
- 162,033,104,194,052,196,198,098,139,128,220,028,209,041,002,078,
- 008,138,103,204,116,002,011,190,166,059,019,155,034,081,074,008,
- 121,142,052,004,221,239,149,025,179,205,058,067,027,048,043,010,
- 109,242,095,020,055,079,225,053,109,109,081,194,069,228,133,181,
- 118,098,094,126,198,244,076,066,233,166,055,237,107,011,255,092,
- 182,244,006,183,237,238,056,107,251,090,137,159,165,174,159,036,
- 017,124,075,031,230,073,040,102,081,236,230,083,129,255,255,255,
- 255,255,255,255,255>>).
-
-%%%----------------------------------------------------------------------
-%%% # DH_14_G
-%%% Description: Generator for DH_14_P.
-%%%----------------------------------------------------------------------
-
--define(DH_14_G, <<0,0,0,1,2>>).
-
-%%%----------------------------------------------------------------------
-%%% # DH_14_Q
-%%% Description: Group order (DH_14_P - 1) / 2.
-%%%----------------------------------------------------------------------
-
--define(DH_14_Q,
- <<000,000,000,128,127,255,255,255,255,255,255,255,228,135,237,081,
- 016,180,097,026,098,099,049,069,192,110,014,104,148,129,039,004,
- 069,051,230,058,001,005,223,083,029,137,205,145,040,165,004,060,
- 199,026,002,110,247,202,140,217,230,157,033,141,152,021,133,054,
- 249,047,138,027,167,240,154,182,182,168,225,034,242,066,218,187,
- 049,047,063,099,122,038,033,116,211,027,246,181,133,255,174,091,
- 122,003,091,246,247,028,053,253,173,068,207,210,215,079,146,008,
- 190,037,143,243,036,148,051,040,246,115,041,192,255,255,255,255,
- 255,255,255,255>>).
-endif. % -ifdef(ssh_transport).
diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl
index bf9fe54c57..39ea2c9609 100644
--- a/lib/ssh/test/ssh_basic_SUITE.erl
+++ b/lib/ssh/test/ssh_basic_SUITE.erl
@@ -42,6 +42,7 @@ suite() ->
all() ->
[app_test,
appup_test,
+ {group, key_exchange},
{group, dsa_key},
{group, rsa_key},
{group, dsa_pass_key},
@@ -92,6 +93,11 @@ groups() ->
max_sessions_sftp_start_channel_parallel,
max_sessions_sftp_start_channel_sequential
]},
+ {key_exchange, [], ['diffie-hellman-group-exchange-sha1',
+ 'diffie-hellman-group-exchange-sha256',
+ 'diffie-hellman-group1-sha1',
+ 'diffie-hellman-group14-sha1'
+ ]},
{dir_options, [], [user_dir_option,
system_dir_option]}
].
@@ -146,6 +152,11 @@ init_per_group(internal_error, Config) ->
ssh_test_lib:setup_dsa(DataDir, PrivDir),
file:delete(filename:join(PrivDir, "system/ssh_host_dsa_key")),
Config;
+init_per_group(key_exchange, Config) ->
+ DataDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+ ssh_test_lib:setup_rsa(DataDir, PrivDir),
+ Config;
init_per_group(dir_options, Config) ->
PrivDir = ?config(priv_dir, Config),
%% Make unreadable dir:
@@ -193,6 +204,8 @@ init_per_group(_, Config) ->
end_per_group(hardening_tests, Config) ->
end_per_group(dsa_key, Config);
+end_per_group(key_exchange, Config) ->
+ end_per_group(rsa_key, Config);
end_per_group(dsa_key, Config) ->
PrivDir = ?config(priv_dir, Config),
ssh_test_lib:clean_dsa(PrivDir),
@@ -818,6 +831,59 @@ ssh_msg_debug_fun_option_client(Config) ->
end.
%%--------------------------------------------------------------------
+'diffie-hellman-group-exchange-sha1'(Config) ->
+ kextest('diffie-hellman-group-exchange-sha1',Config).
+
+'diffie-hellman-group-exchange-sha256'(Config) ->
+ kextest('diffie-hellman-group-exchange-sha256',Config).
+
+'diffie-hellman-group1-sha1'(Config) ->
+ kextest('diffie-hellman-group1-sha1',Config).
+
+'diffie-hellman-group14-sha1'(Config) ->
+ kextest('diffie-hellman-group14-sha1',Config).
+
+
+kextest(Kex, Config) ->
+ case lists:member(Kex, ssh_transport:supported_algorithms(kex)) of
+ true ->
+ process_flag(trap_exit, true),
+ SystemDir = filename:join(?config(priv_dir, Config), system),
+ UserDir = ?config(priv_dir, Config),
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
+ {user_dir, UserDir},
+ {user_passwords, [{"foo", "bar"}]},
+ {preferred_algorithms,
+ [{kex, [Kex]}]},
+ {failfun, fun ssh_test_lib:failfun/2}]),
+
+ ConnectionRef =
+ ssh_test_lib:connect(Host, Port, [{silently_accept_hosts, true},
+ {user, "foo"},
+ {password, "bar"},
+ {user_dir, UserDir},
+ {preferred_algorithms,
+ [{kex, [Kex]}]},
+ {user_interaction, false}]),
+
+ {ok, ChannelId} = ssh_connection:session_channel(ConnectionRef, infinity),
+ success = ssh_connection:exec(ConnectionRef, ChannelId,
+ "1+1.", infinity),
+ Data = {ssh_cm, ConnectionRef, {data, ChannelId, 0, <<"2\n">>}},
+ case ssh_test_lib:receive_exec_result(Data) of
+ expected ->
+ ok;
+ Other ->
+ ct:fail(Other)
+ end,
+ ssh_test_lib:receive_exec_end(ConnectionRef, ChannelId),
+ ssh:stop_daemon(Pid);
+ false ->
+ {skip, lists:concat([Kex, " is not supported"])}
+ end.
+
+%%--------------------------------------------------------------------
connectfun_disconnectfun_server(Config) ->
PrivDir = ?config(priv_dir, Config),
UserDir = filename:join(PrivDir, nopubkey), % to make sure we don't use public-key-auth
diff --git a/lib/ssh/test/ssh_protocol_SUITE.erl b/lib/ssh/test/ssh_protocol_SUITE.erl
index d82cdaf2c7..246e3d4898 100644
--- a/lib/ssh/test/ssh_protocol_SUITE.erl
+++ b/lib/ssh/test/ssh_protocol_SUITE.erl
@@ -56,7 +56,11 @@ groups() ->
lib_no_match
]},
{kex, [], [no_common_alg_server_disconnects,
- no_common_alg_client_disconnects
+ no_common_alg_client_disconnects,
+ gex_client_init_default_noexact,
+ gex_client_init_default_exact,
+ gex_client_init_option_groups,
+ gex_client_init_option_groups_file
]}
].
@@ -68,9 +72,32 @@ end_per_suite(Config) ->
stop_apps(Config).
+
+init_per_testcase(TC, Config) when TC == gex_client_init_default_noexact ;
+ TC == gex_client_init_default_exact ;
+ TC == gex_client_init_option_groups ;
+ TC == gex_client_init_option_groups_file ->
+ Opts = case TC of
+ gex_client_init_option_groups ->
+ [{dh_gex_groups, [{2345, 3, 41}]}];
+ gex_client_init_option_groups_file ->
+ DataDir = ?config(data_dir, Config),
+ F = filename:join(DataDir, "dh_group_test"),
+ [{dh_gex_groups, {file,F}}];
+ _ ->
+ []
+ end,
+ start_std_daemon(Config,
+ [{preferred_algorithms, ssh_transport:supported_algorithms()}
+ | Opts]);
init_per_testcase(_TestCase, Config) ->
check_std_daemon_works(Config, ?LINE).
+end_per_testcase(TC, Config) when TC == gex_client_init_default_noexact ;
+ TC == gex_client_init_default_exact ;
+ TC == gex_client_init_option_groups ;
+ TC == gex_client_init_option_groups_file ->
+ stop_std_daemon(Config);
end_per_testcase(_TestCase, Config) ->
check_std_daemon_works(Config, ?LINE).
@@ -293,6 +320,48 @@ no_common_alg_client_disconnects(Config) ->
X -> ct:fail(X)
end.
+%%%--------------------------------------------------------------------
+gex_client_init_default_noexact(Config) ->
+ do_gex_client_init(Config, {2000, 3000, 4000},
+ %% Warning, app knowledege:
+ ?dh_group15).
+
+
+gex_client_init_default_exact(Config) ->
+ do_gex_client_init(Config, {2000, 2048, 4000},
+ %% Warning, app knowledege:
+ ?dh_group14).
+
+
+gex_client_init_option_groups(Config) ->
+ do_gex_client_init(Config, {2000, 2048, 4000}, {3,41}).
+
+
+gex_client_init_option_groups_file(Config) ->
+ do_gex_client_init(Config, {2000, 2048, 4000}, {5,61}).
+
+do_gex_client_init(Config, {Min,N,Max}, {G,P}) ->
+ {ok,_} =
+ ssh_trpt_test_lib:exec(
+ [{set_options, [print_ops, print_seqnums, print_messages]},
+ {connect,
+ server_host(Config),server_port(Config),
+ [{silently_accept_hosts, true},
+ {user_dir, user_dir(Config)},
+ {user_interaction, false},
+ {preferred_algorithms,[{kex,['diffie-hellman-group-exchange-sha1']}]}
+ ]},
+ receive_hello,
+ {send, hello},
+ {send, ssh_msg_kexinit},
+ {match, #ssh_msg_kexinit{_='_'}, receive_msg},
+ {send, #ssh_msg_kex_dh_gex_request{min = Min,
+ n = N,
+ max = Max}},
+ {match, #ssh_msg_kex_dh_gex_group{p=P, g=G, _='_'}, receive_msg}
+ ]
+ ).
+
%%%================================================================
%%%==== Internal functions ========================================
%%%================================================================
@@ -353,6 +422,7 @@ stop_std_daemon(Config) ->
ct:log("Std server ~p at ~p:~p stopped", [server_pid(Config), server_host(Config), server_port(Config)]),
lists:keydelete(server, 1, Config).
+
check_std_daemon_works(Config, Line) ->
case std_connect(Config) of
{ok,C} ->
@@ -362,13 +432,9 @@ check_std_daemon_works(Config, Line) ->
ok = ssh:close(C),
Config;
Error = {error,_} ->
- {fail,
- lists:flatten(
- io_lib:format("Standard server ~p:~p ~p is ill at line ~p: ~p",
- [server_host(Config), server_port(Config),
- server_pid(Config), Line, Error])
- )
- }
+ ct:fail("Standard server ~p:~p ~p is ill at line ~p: ~p",
+ [server_host(Config), server_port(Config),
+ server_pid(Config), Line, Error])
end.
server_pid(Config) -> element(1,?v(server,Config)).
diff --git a/lib/ssh/test/ssh_protocol_SUITE_data/dh_group_test b/lib/ssh/test/ssh_protocol_SUITE_data/dh_group_test
new file mode 100644
index 0000000000..2887bb4b60
--- /dev/null
+++ b/lib/ssh/test/ssh_protocol_SUITE_data/dh_group_test
@@ -0,0 +1,3 @@
+{2222, 5, 61}.
+{1111, 7, 91}.
+
diff --git a/lib/ssh/test/ssh_sftp_SUITE.erl b/lib/ssh/test/ssh_sftp_SUITE.erl
index 6c631e6f6e..a95e16a0b3 100644
--- a/lib/ssh/test/ssh_sftp_SUITE.erl
+++ b/lib/ssh/test/ssh_sftp_SUITE.erl
@@ -64,12 +64,20 @@ end_per_suite(Config) ->
groups() ->
[{not_unicode, [], [{group,erlang_server},
{group,openssh_server},
+ {group,'diffie-hellman-group-exchange-sha1'},
+ {group,'diffie-hellman-group-exchange-sha256'},
sftp_nonexistent_subsystem]},
{unicode, [], [{group,erlang_server},
{group,openssh_server},
sftp_nonexistent_subsystem]},
+ {'diffie-hellman-group-exchange-sha1', [], [{group,erlang_server},
+ {group,openssh_server}]},
+
+ {'diffie-hellman-group-exchange-sha256', [], [{group,erlang_server},
+ {group,openssh_server}]},
+
{erlang_server, [], [{group,write_read_tests},
version_option,
{group,remote_tar}]},
@@ -142,22 +150,26 @@ init_per_group(erlang_server, Config) ->
User = ?config(user, Config),
Passwd = ?config(passwd, Config),
Sftpd = {_, HostX, PortX} =
- ssh_test_lib:daemon([{system_dir, SysDir},
- {user_dir, PrivDir},
- {user_passwords,
- [{User, Passwd}]}]),
+ ssh_test_lib:daemon(extra_opts(Config) ++
+ [{system_dir, SysDir},
+ {user_dir, PrivDir},
+ {user_passwords,
+ [{User, Passwd}]}]),
[{peer, {fmt_host(HostX),PortX}}, {group, erlang_server}, {sftpd, Sftpd} | Config];
init_per_group(openssh_server, Config) ->
ct:comment("Begin ~p",[grps(Config)]),
Host = ssh_test_lib:hostname(),
- case (catch ssh_sftp:start_channel(Host,
- [{user_interaction, false},
- {silently_accept_hosts, true}])) of
+ case (catch ssh_sftp:start_channel(Host,
+ extra_opts(Config) ++
+ [{user_interaction, false},
+ {silently_accept_hosts, true}])) of
{ok, _ChannelPid, Connection} ->
[{peer, {_HostName,{IPx,Portx}}}] = ssh:connection_info(Connection,[peer]),
ssh:close(Connection),
[{peer, {fmt_host(IPx),Portx}}, {group, openssh_server} | Config];
+ {error,"Key exchange failed"} ->
+ {skip, "openssh server doesn't support the tested kex algorithm"};
_ ->
{skip, "No openssh server"}
end;
@@ -172,10 +184,11 @@ init_per_group(remote_tar, Config) ->
case ?config(group, Config) of
erlang_server ->
ssh:connect(Host, Port,
- [{user, User},
- {password, Passwd},
- {user_interaction, false},
- {silently_accept_hosts, true}]);
+ extra_opts(Config) ++
+ [{user, User},
+ {password, Passwd},
+ {user_interaction, false},
+ {silently_accept_hosts, true}]);
openssh_server ->
ssh:connect(Host, Port,
[{user_interaction, false},
@@ -184,6 +197,28 @@ init_per_group(remote_tar, Config) ->
[{remote_tar, true},
{connection, Connection} | Config];
+init_per_group('diffie-hellman-group-exchange-sha1', Config) ->
+ case lists:member('diffie-hellman-group-exchange-sha1',
+ ssh_transport:supported_algorithms(kex)) of
+ true ->
+ [{extra_opts, [{preferred_algorithms, [{kex,['diffie-hellman-group-exchange-sha1']}]}]}
+ | Config];
+
+ false ->
+ {skip,"'diffie-hellman-group-exchange-sha1' not supported by this version of erlang ssh"}
+ end;
+
+init_per_group('diffie-hellman-group-exchange-sha256', Config) ->
+ case lists:member('diffie-hellman-group-exchange-sha256',
+ ssh_transport:supported_algorithms(kex)) of
+ true ->
+ [{extra_opts, [{preferred_algorithms, [{kex,['diffie-hellman-group-exchange-sha256']}]}]}
+ | Config];
+
+ false ->
+ {skip,"'diffie-hellman-group-exchange-sha256' not supported by this version of erlang ssh"}
+ end;
+
init_per_group(write_read_tests, Config) ->
ct:comment("Begin ~p",[grps(Config)]),
Config.
@@ -194,7 +229,6 @@ grps(Config) ->
lists:flatten([proplists:get_value(tc_group_properties,Config,[]),
proplists:get_value(tc_group_path,Config,[])])).
-
end_per_group(erlang_server, Config) ->
ct:comment("End ~p",[grps(Config)]),
Config;
@@ -227,11 +261,12 @@ init_per_testcase(version_option, Config) ->
Passwd = ?config(passwd, Config),
{ok, ChannelPid, Connection} =
ssh_sftp:start_channel(Host, Port,
- [{sftp_vsn, 3},
- {user, User},
- {password, Passwd},
- {user_interaction, false},
- {silently_accept_hosts, true}]),
+ extra_opts(Config) ++
+ [{sftp_vsn, 3},
+ {user, User},
+ {password, Passwd},
+ {user_interaction, false},
+ {silently_accept_hosts, true}]),
Sftp = {ChannelPid, Connection},
[{sftp,Sftp}, {watchdog, Dog} | TmpConfig];
@@ -249,10 +284,12 @@ init_per_testcase(Case, Config0) ->
{_,Host, Port} = ?config(sftpd, Config2),
{ok, ChannelPid, Connection} =
ssh_sftp:start_channel(Host, Port,
- [{user, User},
- {password, Passwd},
- {user_interaction, false},
- {silently_accept_hosts, true}]),
+ extra_opts(Config2) ++
+ [{user, User},
+ {password, Passwd},
+ {user_interaction, false},
+ {silently_accept_hosts, true}]
+ ),
Sftp = {ChannelPid, Connection},
[{sftp, Sftp}, {watchdog, Dog} | Config2];
openssh_server when Case == links ->
@@ -261,8 +298,9 @@ init_per_testcase(Case, Config0) ->
Host = ssh_test_lib:hostname(),
{ok, ChannelPid, Connection} =
ssh_sftp:start_channel(Host,
- [{user_interaction, false},
- {silently_accept_hosts, true}]),
+ extra_opts(Config2) ++
+ [{user_interaction, false},
+ {silently_accept_hosts, true}]),
Sftp = {ChannelPid, Connection},
[{sftp, Sftp}, {watchdog, Dog} | Config2]
end,
@@ -910,7 +948,8 @@ prep(Config) ->
ok = file:write_file_info(TestFile,
FileInfo#file_info{mode = Mode}).
-
+extra_opts(Config) ->
+ proplists:get_value(extra_opts, Config, []).
chk_tar(Items, Config) ->
chk_tar(Items, Config, []).
diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl
index b7283202a3..fb1c6a1b61 100644
--- a/lib/ssh/test/ssh_to_openssh_SUITE.erl
+++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl
@@ -51,13 +51,15 @@ groups() ->
erlang_client_openssh_server_publickey_rsa,
erlang_client_openssh_server_publickey_dsa,
erlang_client_openssh_server_password,
+ erlang_client_openssh_server_kexs,
erlang_client_openssh_server_nonexistent_subsystem
]},
{erlang_server, [], [erlang_server_openssh_client_exec,
erlang_server_openssh_client_exec_compressed,
erlang_server_openssh_client_pulic_key_dsa,
erlang_server_openssh_client_cipher_suites,
- erlang_server_openssh_client_macs]}
+ erlang_server_openssh_client_macs,
+ erlang_server_openssh_client_kexs]}
].
init_per_suite(Config) ->
@@ -99,6 +101,12 @@ init_per_testcase(erlang_server_openssh_client_cipher_suites, Config) ->
init_per_testcase(erlang_server_openssh_client_macs, Config) ->
check_ssh_client_support(Config);
+init_per_testcase(erlang_server_openssh_client_kexs, Config) ->
+ check_ssh_client_support(Config);
+
+init_per_testcase(erlang_client_openssh_server_kexs, Config) ->
+ check_ssh_client_support(Config);
+
init_per_testcase(_TestCase, Config) ->
ssh:start(),
Config.
@@ -189,6 +197,48 @@ erlang_client_openssh_server_exec_compressed(Config) when is_list(Config) ->
end.
%%--------------------------------------------------------------------
+erlang_client_openssh_server_kexs() ->
+ [{doc, "Test that we can connect with different KEXs."}].
+
+erlang_client_openssh_server_kexs(Config) when is_list(Config) ->
+ Success =
+ lists:foldl(
+ fun(Kex, Acc) ->
+ ConnectionRef =
+ ssh_test_lib:connect(?SSH_DEFAULT_PORT, [{silently_accept_hosts, true},
+ {user_interaction, false},
+ {preferred_algorithms,
+ [{kex,[Kex]}]}]),
+
+ {ok, ChannelId} =
+ ssh_connection:session_channel(ConnectionRef, infinity),
+ success =
+ ssh_connection:exec(ConnectionRef, ChannelId,
+ "echo testing", infinity),
+
+ ExpectedData = {ssh_cm, ConnectionRef, {data, ChannelId, 0, <<"testing\n">>}},
+ case ssh_test_lib:receive_exec_result(ExpectedData) of
+ expected ->
+ ssh_test_lib:receive_exec_end(ConnectionRef, ChannelId),
+ Acc;
+ {unexpected_msg,{ssh_cm, ConnectionRef,
+ {exit_status, ChannelId, 0}} = ExitStatus} ->
+ ct:pal("0: Collected data ~p", [ExitStatus]),
+ ssh_test_lib:receive_exec_result(ExpectedData, ConnectionRef, ChannelId),
+ Acc;
+ Other ->
+ ct:pal("~p failed: ~p",[Kex,Other]),
+ false
+ end
+ end, true, ssh_transport:supported_algorithms(kex)),
+ case Success of
+ true ->
+ ok;
+ false ->
+ {fail, "Kex failed for one or more algos"}
+ end.
+
+%%--------------------------------------------------------------------
erlang_server_openssh_client_exec() ->
[{doc, "Test that exec command works."}].
@@ -322,6 +372,70 @@ erlang_server_openssh_client_macs(Config) when is_list(Config) ->
ssh:stop_daemon(Pid).
%%--------------------------------------------------------------------
+erlang_server_openssh_client_kexs() ->
+ [{doc, "Test that we can connect with different KEXs."}].
+
+erlang_server_openssh_client_kexs(Config) when is_list(Config) ->
+ SystemDir = ?config(data_dir, Config),
+ PrivDir = ?config(priv_dir, Config),
+ KnownHosts = filename:join(PrivDir, "known_hosts"),
+
+ {Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
+ {failfun, fun ssh_test_lib:failfun/2},
+ {preferred_algorithms,
+ [{kex,ssh_transport:supported_algorithms(kex)}]}
+ ]),
+ ct:sleep(500),
+
+ ErlKexs = lists:map(fun erlang:atom_to_list/1,
+ ssh_transport:supported_algorithms(kex)),
+ OpenSshKexs = string:tokens(os:cmd("ssh -Q kex"), "\n"),
+
+ Kexs = [{OpenSshKex,lists:member(OpenSshKex,ErlKexs)}
+ || OpenSshKex <- OpenSshKexs],
+
+ Success =
+ lists:foldl(
+ fun({Kex, Expect}, Acc) ->
+ Cmd = "ssh -p " ++ integer_to_list(Port) ++
+ " -o UserKnownHostsFile=" ++ KnownHosts ++ " " ++ Host ++ " " ++
+ " -o KexAlgorithms=" ++ Kex ++ " 1+1.",
+
+ ct:pal("Cmd: ~p~n", [Cmd]),
+
+ SshPort = open_port({spawn, Cmd}, [binary, stderr_to_stdout]),
+
+ case Expect of
+ true ->
+ receive
+ {SshPort,{data, <<"2\n">>}} ->
+ Acc
+ after ?TIMEOUT ->
+ ct:pal("Did not receive answer for ~p",[Kex]),
+ false
+ end;
+ false ->
+ receive
+ {SshPort,{data, <<"Unable to negotiate a key exchange method", _/binary>>}} ->
+ Acc
+ after ?TIMEOUT ->
+ ct:pal("Did not receive no matching kex message for ~p",[Kex]),
+ false
+ end
+ end
+ end, true, Kexs),
+
+ ssh:stop_daemon(Pid),
+
+ case Success of
+ true ->
+ ok;
+ false ->
+ {fail, "Kex failed for one or more algos"}
+ end.
+
+
+%%--------------------------------------------------------------------
erlang_server_openssh_client_exec_compressed() ->
[{doc, "Test that exec command works."}].
diff --git a/lib/ssl/doc/src/ssl.xml b/lib/ssl/doc/src/ssl.xml
index f23b71e28b..52d68c1b4a 100644
--- a/lib/ssl/doc/src/ssl.xml
+++ b/lib/ssl/doc/src/ssl.xml
@@ -88,7 +88,8 @@
<item>
<p><c>{verify, verify_type()}</c></p>
<p><c>| {verify_fun, {fun(), term()}}</c></p>
- <p><c>| {fail_if_no_peer_cert, boolean()} {depth, integer()}</c></p>
+ <p><c>| {fail_if_no_peer_cert, boolean()}</c></p>
+ <p><c>| {depth, integer()}</c></p>
<p><c>| {cert, public_key:der_encoded()}</c></p>
<p><c>| {certfile, path()}</c></p>
<p><c>| {key, {'RSAPrivateKey'| 'DSAPrivateKey' | 'ECPrivateKey'