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authorHans Nilsson <[email protected]>2017-10-09 12:04:49 +0200
committerHans Nilsson <[email protected]>2017-10-09 12:04:49 +0200
commitd68b3def1b2d448d1585182a0b987e79333b33b4 (patch)
treeee03096415bb249e5cf52dc5ada7b5f8f0f1dd77 /lib/ssh/src
parentd52b0496f9f6ef15a98a77749c11dd662a1a951f (diff)
parent3f4aac5b00959d3f0ddfaf54a3163cd75053dd24 (diff)
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Merge branch 'maint' into hans/ssh/ssh_dbg_hostkey/OTP-14658
Diffstat (limited to 'lib/ssh/src')
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl10
-rw-r--r--lib/ssh/src/ssh_transport.erl21
2 files changed, 24 insertions, 7 deletions
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 8d3ddb09a4..4158a52a27 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -1357,6 +1357,7 @@ handle_event(info, UnexpectedMessage, StateName, D = #data{ssh_params = Ssh}) ->
report ->
Msg = lists:flatten(
io_lib:format(
+ "*** SSH: "
"Unexpected message '~p' received in state '~p'\n"
"Role: ~p\n"
"Peer: ~p\n"
@@ -1365,7 +1366,7 @@ handle_event(info, UnexpectedMessage, StateName, D = #data{ssh_params = Ssh}) ->
StateName,
Ssh#ssh.role,
Ssh#ssh.peer,
- ?GET_INTERNAL_OPT(address, Ssh#ssh.opts)])),
+ ?GET_INTERNAL_OPT(address, Ssh#ssh.opts, undefined)])),
error_logger:info_report(Msg),
keep_state_and_data;
@@ -1374,7 +1375,8 @@ handle_event(info, UnexpectedMessage, StateName, D = #data{ssh_params = Ssh}) ->
Other ->
Msg = lists:flatten(
- io_lib:format("Call to fun in 'unexpectedfun' failed:~n"
+ io_lib:format("*** SSH: "
+ "Call to fun in 'unexpectedfun' failed:~n"
"Return: ~p\n"
"Message: ~p\n"
"Role: ~p\n"
@@ -1383,8 +1385,8 @@ handle_event(info, UnexpectedMessage, StateName, D = #data{ssh_params = Ssh}) ->
[Other,
UnexpectedMessage,
Ssh#ssh.role,
- element(2,Ssh#ssh.peer),
- ?GET_INTERNAL_OPT(address, Ssh#ssh.opts)]
+ Ssh#ssh.peer,
+ ?GET_INTERNAL_OPT(address, Ssh#ssh.opts, undefined)]
)),
error_logger:error_report(Msg),
keep_state_and_data
diff --git a/lib/ssh/src/ssh_transport.erl b/lib/ssh/src/ssh_transport.erl
index b382f2cfa2..46154cf536 100644
--- a/lib/ssh/src/ssh_transport.erl
+++ b/lib/ssh/src/ssh_transport.erl
@@ -251,9 +251,9 @@ key_exchange_init_msg(Ssh0) ->
{SshPacket, Ssh} = ssh_packet(Msg, Ssh0),
{Msg, SshPacket, Ssh}.
-kex_init(#ssh{role = Role, opts = Opts, available_host_keys = HostKeyAlgs}) ->
+kex_init(#ssh{role = Role, opts = Opts, available_host_keys = HostKeyAlgs} = Ssh) ->
Random = ssh_bits:random(16),
- PrefAlgs = ?GET_OPT(preferred_algorithms, Opts),
+ PrefAlgs = adjust_algs_for_peer_version(Role, ?GET_OPT(preferred_algorithms, Opts), Ssh),
kexinit_message(Role, Random, PrefAlgs, HostKeyAlgs, Opts).
key_init(client, Ssh, Value) ->
@@ -261,7 +261,22 @@ key_init(client, Ssh, Value) ->
key_init(server, Ssh, Value) ->
Ssh#ssh{s_keyinit = Value}.
-
+adjust_algs_for_peer_version(client, PrefAlgs, #ssh{s_version=V}) ->
+ adjust_algs_for_peer_version(V, PrefAlgs);
+adjust_algs_for_peer_version(server, PrefAlgs, #ssh{c_version=V}) ->
+ adjust_algs_for_peer_version(V, PrefAlgs).
+%%
+adjust_algs_for_peer_version("SSH-2.0-OpenSSH_6.2"++_, PrefAlgs) ->
+ C0 = proplists:get_value(cipher, PrefAlgs, same([])),
+ C = [{D,L} || D <- [client2server, server2client],
+ L <- [[K || K <- proplists:get_value(D, C0, []),
+ K =/= '[email protected]']]
+ ],
+ lists:keyreplace(cipher, 1, PrefAlgs, {cipher,C});
+adjust_algs_for_peer_version(_, PrefAlgs) ->
+ PrefAlgs.
+
kexinit_message(Role, Random, Algs, HostKeyAlgs, Opts) ->
#ssh_msg_kexinit{
cookie = Random,