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-rw-r--r--lib/ssh/doc/src/notes.xml12
-rw-r--r--lib/ssh/src/ssh_acceptor.erl4
-rw-r--r--lib/ssh/src/ssh_cli.erl6
-rwxr-xr-xlib/ssh/src/ssh_connect.hrl3
-rw-r--r--lib/ssh/src/ssh_connection.erl20
-rw-r--r--lib/ssh/src/ssh_connection_controler.erl4
-rw-r--r--lib/ssh/src/ssh_connection_handler.erl7
-rw-r--r--lib/ssh/src/ssh_connection_manager.erl7
-rw-r--r--lib/ssh/src/ssh_sftpd.erl9
-rw-r--r--lib/ssh/vsn.mk4
10 files changed, 44 insertions, 32 deletions
diff --git a/lib/ssh/doc/src/notes.xml b/lib/ssh/doc/src/notes.xml
index 67a226f726..7c8735cf56 100644
--- a/lib/ssh/doc/src/notes.xml
+++ b/lib/ssh/doc/src/notes.xml
@@ -37,6 +37,18 @@
<p>The function ssh:connect/4 was not exported.</p>
<p>Own Id: OTP-8550 Aux Id:</p>
</item>
+ <item>
+ <p>Aligned error message with used version (SSH_FX_FAILURE vs
+ SSH_FX_NOT_A_DIRECTORY, the latter introduced in version 6).</p>
+ <p>
+ *** POTENTIAL INCOMPATIBILITY ***</p>
+ <p>Own Id: OTP-8644 Aux Id: seq11574</p>
+ </item>
+ <item>
+ <p>Resolved race condition when another connection is started
+ before a channel is opened in the first connection.</p>
+ <p>Own Id: OTP-8645 Aux Id: seq11577</p>
+ </item>
</list>
</section>
diff --git a/lib/ssh/src/ssh_acceptor.erl b/lib/ssh/src/ssh_acceptor.erl
index 57229daa27..9060626ab3 100644
--- a/lib/ssh/src/ssh_acceptor.erl
+++ b/lib/ssh/src/ssh_acceptor.erl
@@ -79,11 +79,11 @@ acceptor_loop(Callback, Port, Address, Opts, ListenSocket, AcceptTimeout) ->
handle_connection(Callback, Address, Port, Options, Socket) ->
SystemSup = ssh_system_sup:system_supervisor(Address, Port),
- ssh_system_sup:start_subsystem(SystemSup, Options),
+ {ok, SubSysSup} = ssh_system_sup:start_subsystem(SystemSup, Options),
ConnectionSup = ssh_system_sup:connection_supervisor(SystemSup),
{ok, Pid} =
ssh_connection_controler:start_manager_child(ConnectionSup,
- [server, Socket, Options]),
+ [server, Socket, Options, SubSysSup]),
Callback:controlling_process(Socket, Pid),
SshOpts = proplists:get_value(ssh_opts, Options),
Pid ! {start_connection, server, [Address, Port, Socket, SshOpts]}.
diff --git a/lib/ssh/src/ssh_cli.erl b/lib/ssh/src/ssh_cli.erl
index 2764ea2e43..e3b6ffa125 100644
--- a/lib/ssh/src/ssh_cli.erl
+++ b/lib/ssh/src/ssh_cli.erl
@@ -327,7 +327,7 @@ window_change(Tty, OldTty, Buf)
{[], Buf};
window_change(Tty, OldTty, {Buf, BufTail, Col}) ->
M1 = move_cursor(Col, 0, OldTty),
- N = max(Tty#ssh_pty.width - OldTty#ssh_pty.width, 0) * 2,
+ N = erlang:max(Tty#ssh_pty.width - OldTty#ssh_pty.width, 0) * 2,
S = lists:reverse(Buf, [BufTail | lists:duplicate(N, $ )]),
M2 = move_cursor(length(Buf) + length(BufTail) + N, Col, Tty),
{[M1, S | M2], {Buf, BufTail, Col}}.
@@ -398,10 +398,6 @@ nthtail(0, A) -> A;
nthtail(N, [_ | A]) when N > 0 -> nthtail(N-1, A);
nthtail(_, _) -> [].
-%%% utils
-max(A, B) when A > B -> A;
-max(_A, B) -> B.
-
ifelse(Cond, A, B) ->
case Cond of
true -> A;
diff --git a/lib/ssh/src/ssh_connect.hrl b/lib/ssh/src/ssh_connect.hrl
index 57bb141c60..34d4ff8fc1 100755
--- a/lib/ssh/src/ssh_connect.hrl
+++ b/lib/ssh/src/ssh_connect.hrl
@@ -260,5 +260,6 @@
address,
port,
options,
- exec
+ exec,
+ sub_system_supervisor
}).
diff --git a/lib/ssh/src/ssh_connection.erl b/lib/ssh/src/ssh_connection.erl
index b9827c90ea..7b9e9185bf 100644
--- a/lib/ssh/src/ssh_connection.erl
+++ b/lib/ssh/src/ssh_connection.erl
@@ -946,13 +946,12 @@ encode_ip(Addr) when is_list(Addr) ->
end
end.
-start_channel(Address, Port, Cb, Id, Args) ->
- start_channel(Address, Port, Cb, Id, Args, undefined).
+start_channel(Cb, Id, Args, SubSysSup) ->
+ start_channel(Cb, Id, Args, SubSysSup, undefined).
-start_channel(Address, Port, Cb, Id, Args, Exec) ->
+start_channel(Cb, Id, Args, SubSysSup, Exec) ->
ChildSpec = child_spec(Cb, Id, Args, Exec),
- SystemSup = ssh_system_sup:system_supervisor(Address, Port),
- ChannelSup = ssh_system_sup:channel_supervisor(SystemSup),
+ ChannelSup =ssh_subsystem_sup:channel_supervisor(SubSysSup),
ssh_channel_sup:start_child(ChannelSup, ChildSpec).
%%--------------------------------------------------------------------
@@ -1017,18 +1016,19 @@ start_cli(#connection{address = Address, port = Port, cli_spec = {Fun, [Shell]},
{ok, Pid}
end;
-start_cli(#connection{address = Address, port = Port,
- cli_spec = {CbModule, Args}, exec = Exec}, ChannelId) ->
- start_channel(Address, Port, CbModule, ChannelId, Args, Exec).
+start_cli(#connection{cli_spec = {CbModule, Args}, exec = Exec,
+ sub_system_supervisor = SubSysSup}, ChannelId) ->
+ start_channel(CbModule, ChannelId, Args, SubSysSup, Exec).
start_subsytem(BinName, #connection{address = Address, port = Port,
- options = Options},
+ options = Options,
+ sub_system_supervisor = SubSysSup},
#channel{local_id = ChannelId, remote_id = RemoteChannelId},
ReplyMsg) ->
Name = binary_to_list(BinName),
case check_subsystem(Name, Options) of
{Callback, Opts} when is_atom(Callback), Callback =/= none ->
- start_channel(Address, Port, Callback, ChannelId, Opts);
+ start_channel(Callback, ChannelId, Opts, SubSysSup);
{Other, _} when Other =/= none ->
handle_backwards_compatibility(Other, self(),
ChannelId, RemoteChannelId,
diff --git a/lib/ssh/src/ssh_connection_controler.erl b/lib/ssh/src/ssh_connection_controler.erl
index 990541f8d6..636ecba532 100644
--- a/lib/ssh/src/ssh_connection_controler.erl
+++ b/lib/ssh/src/ssh_connection_controler.erl
@@ -99,8 +99,8 @@ terminate(_Reason, #state{}) ->
handle_call({handler, Pid, [Role, Socket, Opts]}, _From, State) ->
{ok, Handler} = ssh_connection_handler:start_link(Role, Pid, Socket, Opts),
{reply, {ok, Handler}, State#state{handler = Handler}};
-handle_call({manager, [server = Role, Socket, Opts]}, _From, State) ->
- {ok, Manager} = ssh_connection_manager:start_link([Role, Socket, Opts]),
+handle_call({manager, [server = Role, Socket, Opts, SubSysSup]}, _From, State) ->
+ {ok, Manager} = ssh_connection_manager:start_link([Role, Socket, Opts, SubSysSup]),
{reply, {ok, Manager}, State#state{manager = Manager}};
handle_call({manager, [client = Role | Opts]}, _From, State) ->
{ok, Manager} = ssh_connection_manager:start_link([Role, Opts]),
diff --git a/lib/ssh/src/ssh_connection_handler.erl b/lib/ssh/src/ssh_connection_handler.erl
index 822ef8f8f9..d46002c494 100644
--- a/lib/ssh/src/ssh_connection_handler.erl
+++ b/lib/ssh/src/ssh_connection_handler.erl
@@ -527,7 +527,7 @@ handle_info({Protocol, Socket, Data}, Statename,
%% Implementations SHOULD decrypt the length after receiving the
%% first 8 (or cipher block size, whichever is larger) bytes of a
%% packet. (RFC 4253: Section 6 - Binary Packet Protocol)
- case size(EncData0) + size(Data) >= max(8, BlockSize) of
+ case size(EncData0) + size(Data) >= erlang:max(8, BlockSize) of
true ->
{Ssh, SshPacketLen, DecData, EncData} =
@@ -758,11 +758,6 @@ after_new_keys(#state{renegotiate = false,
ssh_params = #ssh{role = server}} = State) ->
{userauth, State}.
-max(N, M) when N > M ->
- N;
-max(_, M) ->
- M.
-
handle_ssh_packet_data(RemainingSshPacketLen, DecData, EncData, StateName,
State) ->
EncSize = size(EncData),
diff --git a/lib/ssh/src/ssh_connection_manager.erl b/lib/ssh/src/ssh_connection_manager.erl
index a2effc177e..cffeade485 100644
--- a/lib/ssh/src/ssh_connection_manager.erl
+++ b/lib/ssh/src/ssh_connection_manager.erl
@@ -178,7 +178,7 @@ send_eof(ConnectionManager, ChannelId) ->
%% {stop, Reason}
%% Description: Initiates the server
%%--------------------------------------------------------------------
-init([server, _Socket, Opts]) ->
+init([server, _Socket, Opts, SubSysSup]) ->
process_flag(trap_exit, true),
ssh_bits:install_messages(ssh_connection:messages()),
Cache = ssh_channel:cache_create(),
@@ -187,7 +187,8 @@ init([server, _Socket, Opts]) ->
channel_id_seed = 0,
port_bindings = [],
requests = [],
- channel_pids = []},
+ channel_pids = [],
+ sub_system_supervisor = SubSysSup},
opts = Opts,
connected = false}};
@@ -400,7 +401,7 @@ handle_call({close, ChannelId}, _,
end;
handle_call(stop, _, #state{role = _client,
- client = ChannelPid,
+ client = _ChannelPid,
connection = Pid} = State) ->
DisconnectMsg =
#ssh_msg_disconnect{code = ?SSH_DISCONNECT_BY_APPLICATION,
diff --git a/lib/ssh/src/ssh_sftpd.erl b/lib/ssh/src/ssh_sftpd.erl
index dc789092dd..da91817fd7 100644
--- a/lib/ssh/src/ssh_sftpd.erl
+++ b/lib/ssh/src/ssh_sftpd.erl
@@ -242,7 +242,8 @@ handle_op(?SSH_FXP_REALPATH, ReqId,
end;
handle_op(?SSH_FXP_OPENDIR, ReqId,
<<?UINT32(RLen), RPath:RLen/binary>>,
- State0 = #state{file_handler = FileMod, file_state = FS0}) ->
+ State0 = #state{xf = #ssh_xfer{vsn = Vsn},
+ file_handler = FileMod, file_state = FS0}) ->
RelPath = binary_to_list(RPath),
AbsPath = relate_file_name(RelPath, State0),
@@ -250,10 +251,14 @@ handle_op(?SSH_FXP_OPENDIR, ReqId,
{IsDir, FS1} = FileMod:is_dir(AbsPath, FS0),
State1 = State0#state{file_state = FS1},
case IsDir of
- false ->
+ false when Vsn > 5 ->
ssh_xfer:xf_send_status(XF, ReqId, ?SSH_FX_NOT_A_DIRECTORY,
"Not a directory"),
State1;
+ false ->
+ ssh_xfer:xf_send_status(XF, ReqId, ?SSH_FX_FAILURE,
+ "Not a directory"),
+ State1;
true ->
add_handle(State1, XF, ReqId, directory, {RelPath,unread})
end;
diff --git a/lib/ssh/vsn.mk b/lib/ssh/vsn.mk
index 38a82ff32d..ccdbfe4f9a 100644
--- a/lib/ssh/vsn.mk
+++ b/lib/ssh/vsn.mk
@@ -7,7 +7,9 @@ TICKETS = OTP-8524 \
OTP-8534 \
OTP-8535 \
OTP-8550 \
- OTP-8596
+ OTP-8596 \
+ OTP-8644 \
+ OTP-8645
TICKETS_1.1.8 = OTP-8356 \
OTP-8401