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-rw-r--r--erts/emulator/beam/beam_bif_load.c4
-rw-r--r--erts/emulator/beam/beam_emu.c2
-rw-r--r--erts/emulator/beam/beam_load.h3
-rw-r--r--erts/emulator/beam/erl_bif_trace.c10
-rw-r--r--erts/emulator/beam/erl_fun.c1
-rw-r--r--erts/emulator/test/trace_SUITE.erl32
-rw-r--r--lib/compiler/src/sys_core_fold.erl10
-rw-r--r--lib/compiler/test/guard_SUITE.erl13
-rw-r--r--lib/ssh/src/ssh_channel.erl2
-rw-r--r--lib/ssh/src/ssh_dbg.erl7
-rw-r--r--lib/ssh/test/ssh_basic_SUITE.erl33
-rw-r--r--lib/ssh/test/ssh_options_SUITE.erl16
-rw-r--r--lib/ssh/test/ssh_renegotiate_SUITE.erl40
-rw-r--r--lib/ssh/test/ssh_test_lib.erl42
-rw-r--r--lib/ssh/test/ssh_to_openssh_SUITE.erl96
-rw-r--r--lib/stdlib/doc/src/shell_default.xml2
16 files changed, 229 insertions, 84 deletions
diff --git a/erts/emulator/beam/beam_bif_load.c b/erts/emulator/beam/beam_bif_load.c
index 5969197168..8af7703f51 100644
--- a/erts/emulator/beam/beam_bif_load.c
+++ b/erts/emulator/beam/beam_bif_load.c
@@ -1623,10 +1623,10 @@ erts_purge_state_add_fun(ErlFunEntry *fe)
}
Export *
-erts_suspend_process_on_pending_purge_lambda(Process *c_p)
+erts_suspend_process_on_pending_purge_lambda(Process *c_p, ErlFunEntry* fe)
{
erts_smp_mtx_lock(&purge_state.mtx);
- if (is_value(purge_state.module)) {
+ if (purge_state.module == fe->module) {
/*
* The process c_p is about to call a fun in the code
* that we are trying to purge. Suspend it and call
diff --git a/erts/emulator/beam/beam_emu.c b/erts/emulator/beam/beam_emu.c
index ef4cdf9d5a..3be5c0d24c 100644
--- a/erts/emulator/beam/beam_emu.c
+++ b/erts/emulator/beam/beam_emu.c
@@ -6555,7 +6555,7 @@ call_fun(Process* p, /* Current process. */
* and let it try again when the purge operation is
* done (may succeed or not).
*/
- ep = erts_suspend_process_on_pending_purge_lambda(p);
+ ep = erts_suspend_process_on_pending_purge_lambda(p, fe);
ASSERT(ep);
}
else {
diff --git a/erts/emulator/beam/beam_load.h b/erts/emulator/beam/beam_load.h
index 1200bb9c6f..9be5e14e40 100644
--- a/erts/emulator/beam/beam_load.h
+++ b/erts/emulator/beam/beam_load.h
@@ -124,7 +124,8 @@ int erts_is_module_native(BeamCodeHeader* code);
void erts_beam_bif_load_init(void);
struct erl_fun_entry;
void erts_purge_state_add_fun(struct erl_fun_entry *fe);
-Export *erts_suspend_process_on_pending_purge_lambda(Process *c_p);
+Export *erts_suspend_process_on_pending_purge_lambda(Process *c_p,
+ struct erl_fun_entry*);
/*
* Layout of the line table.
diff --git a/erts/emulator/beam/erl_bif_trace.c b/erts/emulator/beam/erl_bif_trace.c
index 66e5146da0..96275eb228 100644
--- a/erts/emulator/beam/erl_bif_trace.c
+++ b/erts/emulator/beam/erl_bif_trace.c
@@ -512,7 +512,7 @@ start_trace(Process *c_p, ErtsTracer tracer,
&& !ERTS_TRACER_COMPARE(ERTS_TRACER(port), tracer)) {
/* This tracee is already being traced, and not by the
* tracer to be */
- if (erts_is_tracer_enabled(tracer, common)) {
+ if (erts_is_tracer_enabled(ERTS_TRACER(port), common)) {
/* The tracer is still in use */
return 1;
}
@@ -715,8 +715,8 @@ Eterm erts_internal_trace_3(BIF_ALIST_3)
Process* tracee_p = erts_pix2proc(i);
if (! tracee_p)
continue;
- start_trace(p, tracer, &tracee_p->common, on, mask);
- matches++;
+ if (!start_trace(p, tracer, &tracee_p->common, on, mask))
+ matches++;
}
}
if (ports || mods) {
@@ -730,8 +730,8 @@ Eterm erts_internal_trace_3(BIF_ALIST_3)
state = erts_atomic32_read_nob(&tracee_port->state);
if (state & ERTS_PORT_SFLGS_DEAD)
continue;
- start_trace(p, tracer, &tracee_port->common, on, mask);
- matches++;
+ if (!start_trace(p, tracer, &tracee_port->common, on, mask))
+ matches++;
}
}
}
diff --git a/erts/emulator/beam/erl_fun.c b/erts/emulator/beam/erl_fun.c
index c639ba623f..5258d83a18 100644
--- a/erts/emulator/beam/erl_fun.c
+++ b/erts/emulator/beam/erl_fun.c
@@ -236,7 +236,6 @@ erts_fun_purge_abort_prepare(ErlFunEntry **funs, Uint no)
ErlFunEntry *fe = funs[ix];
if (fe->address == unloaded_fun)
fe->address = fe->pend_purge_address;
- fe->pend_purge_address = NULL;
}
}
diff --git a/erts/emulator/test/trace_SUITE.erl b/erts/emulator/test/trace_SUITE.erl
index da6a6bdea4..f846b0f4b9 100644
--- a/erts/emulator/test/trace_SUITE.erl
+++ b/erts/emulator/test/trace_SUITE.erl
@@ -30,7 +30,7 @@
procs_trace/1, dist_procs_trace/1, procs_new_trace/1,
suspend/1, mutual_suspend/1, suspend_exit/1, suspender_exit/1,
suspend_system_limit/1, suspend_opts/1, suspend_waiting/1,
- new_clear/1, existing_clear/1,
+ new_clear/1, existing_clear/1, tracer_die/1,
set_on_spawn/1, set_on_first_spawn/1, cpu_timestamp/1,
set_on_link/1, set_on_first_link/1,
system_monitor_args/1, more_system_monitor_args/1,
@@ -54,7 +54,7 @@ all() ->
send_trace, procs_trace, dist_procs_trace, suspend,
mutual_suspend, suspend_exit, suspender_exit,
suspend_system_limit, suspend_opts, suspend_waiting,
- new_clear, existing_clear, set_on_spawn,
+ new_clear, existing_clear, tracer_die, set_on_spawn,
set_on_first_spawn, set_on_link, set_on_first_link,
system_monitor_args,
more_system_monitor_args, system_monitor_long_gc_1,
@@ -1636,6 +1636,34 @@ existing_clear(Config) when is_list(Config) ->
ok.
+%% Test that erlang:trace/3 can be called on processes where the
+%% tracer has died. OTP-13928
+tracer_die(Config) when is_list(Config) ->
+ Proc = spawn(fun receiver/0),
+
+ Tracer = spawn(fun receiver/0),
+ timer:sleep(1),
+ N = erlang:trace(existing, true, [send, {tracer, Tracer}]),
+ {flags, [send]} = erlang:trace_info(Proc, flags),
+ {tracer, Tracer} = erlang:trace_info(Proc, tracer),
+ exit(Tracer, die),
+
+ Tracer2 = spawn(fun receiver/0),
+ timer:sleep(1),
+ N = erlang:trace(existing, true, [send, {tracer, Tracer2}]),
+ {flags, [send]} = erlang:trace_info(Proc, flags),
+ {tracer, Tracer2} = erlang:trace_info(Proc, tracer),
+ exit(Tracer2, die),
+
+ Tracer3 = spawn(fun receiver/0),
+ timer:sleep(1),
+ 1 = erlang:trace(Proc, true, [send, {tracer, Tracer3}]),
+ {flags, [send]} = erlang:trace_info(Proc, flags),
+ {tracer, Tracer3} = erlang:trace_info(Proc, tracer),
+ exit(Tracer3, die),
+
+ ok.
+
%% Test that an invalid flag cause badarg
bad_flag(Config) when is_list(Config) ->
%% A bad flag could deadlock the SMP emulator in erts-5.5
diff --git a/lib/compiler/src/sys_core_fold.erl b/lib/compiler/src/sys_core_fold.erl
index 08b02101a6..4922953407 100644
--- a/lib/compiler/src/sys_core_fold.erl
+++ b/lib/compiler/src/sys_core_fold.erl
@@ -734,7 +734,7 @@ call(#c_call{args=As}=Call, #c_literal{val=M}=M0, #c_literal{val=N}=N0, Sub) ->
false ->
case sys_core_fold_lists:call(Call, M, N, As) of
none ->
- call_1(Call, M, N, As, Sub);
+ call_1(Call, M0, N0, As, Sub);
Core ->
expr(Core, Sub)
end
@@ -1130,7 +1130,13 @@ clause_1(#c_clause{guard=G0,body=B0}=Cl, Ps1, Cexpr, Ctxt, Sub1) ->
%%
%% case A of NewVar when true -> ...
%%
- sub_set_var(Var, Cexpr, Sub2);
+ case cerl:is_c_fname(Cexpr) of
+ false ->
+ sub_set_var(Var, Cexpr, Sub2);
+ true ->
+ %% We must not copy funs, and especially not into guards.
+ Sub2
+ end;
_ ->
Sub2
end,
diff --git a/lib/compiler/test/guard_SUITE.erl b/lib/compiler/test/guard_SUITE.erl
index 6302f82f29..429d6b79e0 100644
--- a/lib/compiler/test/guard_SUITE.erl
+++ b/lib/compiler/test/guard_SUITE.erl
@@ -87,6 +87,7 @@ misc(Config) when is_list(Config) ->
{ok,buf,<<>>} = get_data({o,true,0}, 42, buf),
{ok,buf,<<>>} = get_data({o,false,0}, 0, buf),
error = get_data({o,false,0}, 42, buf),
+
ok.
@@ -343,6 +344,11 @@ complex_semicolon(Config) when is_list(Config) ->
ok = csemi7(#{a=>1}, 3, 3),
ok = csemi7(#{a=>1, b=>3}, 0, 0),
+ %% 8: Make sure that funs cannot be copied into guards.
+ ok = csemi8(true),
+ error = csemi8(false),
+ error = csemi8(42),
+
ok.
csemi1(Type, Val) when is_list(Val), Type == float;
@@ -457,6 +463,13 @@ csemi6(_, _) -> error.
csemi7(A, B, C) when A#{a:=B} > #{a=>1}; abs(C) > 2 -> ok;
csemi7(_, _, _) -> error.
+csemi8(Together) ->
+ case fun csemi8/1 of
+ Typically when Together; Typically, Together -> ok;
+ _ -> error
+ end.
+
+
comma(Config) when is_list(Config) ->
%% ',' combinations of literal true/false.
diff --git a/lib/ssh/src/ssh_channel.erl b/lib/ssh/src/ssh_channel.erl
index 426e2f5125..85b31f3669 100644
--- a/lib/ssh/src/ssh_channel.erl
+++ b/lib/ssh/src/ssh_channel.erl
@@ -261,7 +261,7 @@ handle_info({ssh_cm, _, _} = Msg, #state{cm = ConnectionManager,
adjust_window(Msg),
{noreply, State#state{channel_state = ChannelState}, Timeout};
{stop, ChannelId, ChannelState} ->
- ssh_connection:close(ConnectionManager, ChannelId),
+ catch ssh_connection:close(ConnectionManager, ChannelId),
{stop, normal, State#state{close_sent = true,
channel_state = ChannelState}}
end;
diff --git a/lib/ssh/src/ssh_dbg.erl b/lib/ssh/src/ssh_dbg.erl
index bd6bc0335b..ce5596e0f9 100644
--- a/lib/ssh/src/ssh_dbg.erl
+++ b/lib/ssh/src/ssh_dbg.erl
@@ -113,7 +113,12 @@ setup_tracer(Write, MangleArg) ->
ok.
%%%----------------------------------------------------------------
-shrink_bin(B) when is_binary(B), size(B)>100 -> {'*** SHRINKED BIN',size(B),element(1,split_binary(B,20)),'***'};
+shrink_bin(B) when is_binary(B), size(B)>100 -> {'*** SHRINKED BIN',
+ size(B),
+ element(1,split_binary(B,20)),
+ '...',
+ element(2,split_binary(B,size(B)-20))
+ };
shrink_bin(L) when is_list(L) -> lists:map(fun shrink_bin/1, L);
shrink_bin(T) when is_tuple(T) -> list_to_tuple(shrink_bin(tuple_to_list(T)));
shrink_bin(X) -> X.
diff --git a/lib/ssh/test/ssh_basic_SUITE.erl b/lib/ssh/test/ssh_basic_SUITE.erl
index 51e0d5196b..0a0ab5cdf7 100644
--- a/lib/ssh/test/ssh_basic_SUITE.erl
+++ b/lib/ssh/test/ssh_basic_SUITE.erl
@@ -315,9 +315,9 @@ init_per_testcase(TC, Config) when TC==shell_no_unicode ;
{user_passwords, [{"foo", "bar"}]}]),
ct:sleep(500),
IO = ssh_test_lib:start_io_server(),
- Shell = ssh_test_lib:start_shell(Port, IO, UserDir,
- [{silently_accept_hosts, true},
- {user,"foo"},{password,"bar"}]),
+ Shell = ssh_test_lib:start_shell(Port, IO, [{user_dir,UserDir},
+ {silently_accept_hosts, true},
+ {user,"foo"},{password,"bar"}]),
ct:log("IO=~p, Shell=~p, self()=~p",[IO,Shell,self()]),
ct:log("file:native_name_encoding() = ~p,~nio:getopts() = ~p",
[file:native_name_encoding(),io:getopts()]),
@@ -343,14 +343,15 @@ end_per_testcase(TC, Config) when TC==shell_no_unicode ;
TC==shell_unicode_string ->
case proplists:get_value(sftpd, Config) of
{Pid, _, _} ->
- ssh:stop_daemon(Pid),
- ssh:stop();
+ catch ssh:stop_daemon(Pid);
_ ->
- ssh:stop()
- end;
+ ok
+ end,
+ end_per_testcase(Config);
end_per_testcase(_TestCase, Config) ->
end_per_testcase(Config).
-end_per_testcase(_Config) ->
+
+end_per_testcase(_Config) ->
ssh:stop(),
ok.
@@ -524,7 +525,7 @@ shell(Config) when is_list(Config) ->
ct:sleep(500),
IO = ssh_test_lib:start_io_server(),
- Shell = ssh_test_lib:start_shell(Port, IO, UserDir),
+ Shell = ssh_test_lib:start_shell(Port, IO, [{user_dir,UserDir}]),
receive
{'EXIT', _, _} ->
ct:fail(no_ssh_connection);
@@ -562,10 +563,10 @@ exec_key_differs(Config, UserPKAlgs) ->
ct:sleep(500),
IO = ssh_test_lib:start_io_server(),
- Shell = ssh_test_lib:start_shell(Port, IO, UserDir,
- [{preferred_algorithms,[{public_key,['ssh-rsa']}]},
- {pref_public_key_algs,UserPKAlgs}
- ]),
+ Shell = ssh_test_lib:start_shell(Port, IO, [{user_dir,UserDir},
+ {preferred_algorithms,[{public_key,['ssh-rsa']}]},
+ {pref_public_key_algs,UserPKAlgs}
+ ]),
receive
@@ -596,9 +597,9 @@ exec_key_differs_fail(Config) when is_list(Config) ->
ct:sleep(500),
IO = ssh_test_lib:start_io_server(),
- ssh_test_lib:start_shell(Port, IO, UserDir,
- [{preferred_algorithms,[{public_key,['ssh-rsa']}]},
- {pref_public_key_algs,['ssh-dss']}]),
+ ssh_test_lib:start_shell(Port, IO, [{user_dir,UserDir},
+ {preferred_algorithms,[{public_key,['ssh-rsa']}]},
+ {pref_public_key_algs,['ssh-dss']}]),
receive
{'EXIT', _, _} ->
ok;
diff --git a/lib/ssh/test/ssh_options_SUITE.erl b/lib/ssh/test/ssh_options_SUITE.erl
index 61883c0647..60eae5a850 100644
--- a/lib/ssh/test/ssh_options_SUITE.erl
+++ b/lib/ssh/test/ssh_options_SUITE.erl
@@ -540,10 +540,18 @@ connectfun_disconnectfun_server(Config) ->
{disconnect,Ref,R} ->
ct:log("Disconnect result: ~p",[R]),
ssh:stop_daemon(Pid)
- after 2000 ->
+ after 5000 ->
+ receive
+ X -> ct:log("received ~p",[X])
+ after 0 -> ok
+ end,
{fail, "No disconnectfun action"}
end
- after 2000 ->
+ after 5000 ->
+ receive
+ X -> ct:log("received ~p",[X])
+ after 0 -> ok
+ end,
{fail, "No connectfun action"}
end.
@@ -649,7 +657,7 @@ disconnectfun_option_server(Config) ->
ct:log("Server detected disconnect: ~p",[Reason]),
ssh:stop_daemon(Pid),
ok
- after 3000 ->
+ after 5000 ->
receive
X -> ct:log("received ~p",[X])
after 0 -> ok
@@ -1003,7 +1011,7 @@ ssh_connect_nonegtimeout_connected(Config, Parallel) ->
ct:sleep(500),
IO = ssh_test_lib:start_io_server(),
- Shell = ssh_test_lib:start_shell(Port, IO, UserDir),
+ Shell = ssh_test_lib:start_shell(Port, IO, [{user_dir,UserDir}]),
receive
Error = {'EXIT', _, _} ->
ct:log("~p",[Error]),
diff --git a/lib/ssh/test/ssh_renegotiate_SUITE.erl b/lib/ssh/test/ssh_renegotiate_SUITE.erl
index b10ec3707f..74bbc291b2 100644
--- a/lib/ssh/test/ssh_renegotiate_SUITE.erl
+++ b/lib/ssh/test/ssh_renegotiate_SUITE.erl
@@ -92,11 +92,11 @@ rekey(Config) ->
ConnectionRef =
ssh_test_lib:std_connect(Config, Host, Port,
[{rekey_limit, 0}]),
- Kex1 = get_kex_init(ConnectionRef),
+ Kex1 = ssh_test_lib:get_kex_init(ConnectionRef),
receive
after ?REKEY_DATA_TMO ->
%%By this time rekeying would have been done
- Kex2 = get_kex_init(ConnectionRef),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
false = (Kex2 == Kex1),
ssh:close(ConnectionRef),
ssh:stop_daemon(Pid)
@@ -120,31 +120,31 @@ rekey_limit(Config) ->
{max_random_length_padding,0}]),
{ok, SftpPid} = ssh_sftp:start_channel(ConnectionRef),
- Kex1 = get_kex_init(ConnectionRef),
+ Kex1 = ssh_test_lib:get_kex_init(ConnectionRef),
timer:sleep(?REKEY_DATA_TMO),
- Kex1 = get_kex_init(ConnectionRef),
+ Kex1 = ssh_test_lib:get_kex_init(ConnectionRef),
Data = lists:duplicate(159000,1),
ok = ssh_sftp:write_file(SftpPid, DataFile, Data),
timer:sleep(?REKEY_DATA_TMO),
- Kex2 = get_kex_init(ConnectionRef),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
false = (Kex2 == Kex1),
timer:sleep(?REKEY_DATA_TMO),
- Kex2 = get_kex_init(ConnectionRef),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
ok = ssh_sftp:write_file(SftpPid, DataFile, "hi\n"),
timer:sleep(?REKEY_DATA_TMO),
- Kex2 = get_kex_init(ConnectionRef),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
false = (Kex2 == Kex1),
timer:sleep(?REKEY_DATA_TMO),
- Kex2 = get_kex_init(ConnectionRef),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
ssh_sftp:stop_channel(SftpPid),
ssh:close(ConnectionRef),
@@ -169,7 +169,7 @@ renegotiate1(Config) ->
ConnectionRef = ssh_test_lib:std_connect(Config, Host, RPort, [{max_random_length_padding,0}]),
{ok, SftpPid} = ssh_sftp:start_channel(ConnectionRef),
- Kex1 = get_kex_init(ConnectionRef),
+ Kex1 = ssh_test_lib:get_kex_init(ConnectionRef),
{ok, Handle} = ssh_sftp:open(SftpPid, DataFile, [write]),
@@ -181,7 +181,7 @@ renegotiate1(Config) ->
timer:sleep(2000),
- Kex2 = get_kex_init(ConnectionRef),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
false = (Kex2 == Kex1),
@@ -208,7 +208,7 @@ renegotiate2(Config) ->
ConnectionRef = ssh_test_lib:std_connect(Config, Host, RPort, [{max_random_length_padding,0}]),
{ok, SftpPid} = ssh_sftp:start_channel(ConnectionRef),
- Kex1 = get_kex_init(ConnectionRef),
+ Kex1 = ssh_test_lib:get_kex_init(ConnectionRef),
{ok, Handle} = ssh_sftp:open(SftpPid, DataFile, [write]),
@@ -223,7 +223,7 @@ renegotiate2(Config) ->
timer:sleep(2000),
- Kex2 = get_kex_init(ConnectionRef),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
false = (Kex2 == Kex1),
@@ -235,19 +235,3 @@ renegotiate2(Config) ->
%%--------------------------------------------------------------------
%% Internal functions ------------------------------------------------
%%--------------------------------------------------------------------
-%% get_kex_init - helper function to get key_exchange_init_msg
-get_kex_init(Conn) ->
- %% First, validate the key exchange is complete (StateName == connected)
- {{connected,_},S} = sys:get_state(Conn),
- %% Next, walk through the elements of the #state record looking
- %% for the #ssh_msg_kexinit record. This method is robust against
- %% changes to either record. The KEXINIT message contains a cookie
- %% unique to each invocation of the key exchange procedure (RFC4253)
- SL = tuple_to_list(S),
- case lists:keyfind(ssh_msg_kexinit, 1, SL) of
- false ->
- throw(not_found);
- KexInit ->
- KexInit
- end.
-
diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl
index 6fd401d182..7cd364a6dc 100644
--- a/lib/ssh/test/ssh_test_lib.erl
+++ b/lib/ssh/test/ssh_test_lib.erl
@@ -127,24 +127,19 @@ std_simple_exec(Host, Port, Config, Opts) ->
ssh:close(ConnectionRef).
-start_shell(Port, IOServer, UserDir) ->
- start_shell(Port, IOServer, UserDir, []).
-
-start_shell(Port, IOServer, UserDir, Options) ->
- spawn_link(?MODULE, init_shell, [Port, IOServer, [{user_dir, UserDir}|Options]]).
-
start_shell(Port, IOServer) ->
- spawn_link(?MODULE, init_shell, [Port, IOServer, []]).
+ start_shell(Port, IOServer, []).
-init_shell(Port, IOServer, UserDir) ->
- Host = hostname(),
- Options = [{user_interaction, false}, {silently_accept_hosts,
- true}] ++ UserDir,
- group_leader(IOServer, self()),
- loop_shell(Host, Port, Options).
+start_shell(Port, IOServer, ExtraOptions) ->
+ spawn_link(
+ fun() ->
+ Host = hostname(),
+ Options = [{user_interaction, false},
+ {silently_accept_hosts,true} | ExtraOptions],
+ group_leader(IOServer, self()),
+ ssh:shell(Host, Port, Options)
+ end).
-loop_shell(Host, Port, Options) ->
- ssh:shell(Host, Port, Options).
start_io_server() ->
spawn_link(?MODULE, init_io_server, [self()]).
@@ -802,3 +797,20 @@ busy_wait(Nus, T0) ->
end.
%%%----------------------------------------------------------------
+%% get_kex_init - helper function to get key_exchange_init_msg
+
+get_kex_init(Conn) ->
+ %% First, validate the key exchange is complete (StateName == connected)
+ {{connected,_},S} = sys:get_state(Conn),
+ %% Next, walk through the elements of the #state record looking
+ %% for the #ssh_msg_kexinit record. This method is robust against
+ %% changes to either record. The KEXINIT message contains a cookie
+ %% unique to each invocation of the key exchange procedure (RFC4253)
+ SL = tuple_to_list(S),
+ case lists:keyfind(ssh_msg_kexinit, 1, SL) of
+ false ->
+ throw(not_found);
+ KexInit ->
+ KexInit
+ end.
+
diff --git a/lib/ssh/test/ssh_to_openssh_SUITE.erl b/lib/ssh/test/ssh_to_openssh_SUITE.erl
index f481e9c1ce..f378188b8b 100644
--- a/lib/ssh/test/ssh_to_openssh_SUITE.erl
+++ b/lib/ssh/test/ssh_to_openssh_SUITE.erl
@@ -29,6 +29,7 @@
-define(TIMEOUT, 50000).
-define(SSH_DEFAULT_PORT, 22).
+-define(REKEY_DATA_TMO, 65000).
%%--------------------------------------------------------------------
%% Common Test interface functions -----------------------------------
@@ -55,7 +56,8 @@ groups() ->
erlang_client_openssh_server_publickey_rsa,
erlang_client_openssh_server_password,
erlang_client_openssh_server_kexs,
- erlang_client_openssh_server_nonexistent_subsystem
+ erlang_client_openssh_server_nonexistent_subsystem,
+ erlang_client_openssh_server_renegotiate
]},
{erlang_server, [], [erlang_server_openssh_client_public_key_dsa,
erlang_server_openssh_client_public_key_rsa,
@@ -105,6 +107,11 @@ init_per_testcase(erlang_server_openssh_client_public_key_rsa, Config) ->
chk_key(sshc, 'ssh-rsa', ".ssh/id_rsa", Config);
init_per_testcase(erlang_client_openssh_server_publickey_dsa, Config) ->
chk_key(sshd, 'ssh-dss', ".ssh/id_dsa", Config);
+init_per_testcase(erlang_server_openssh_client_renegotiate, Config) ->
+ case os:type() of
+ {unix,_} -> ssh:start(), Config;
+ Type -> ct:fail("Unsupported test on ~p",[Type])
+ end;
init_per_testcase(_TestCase, Config) ->
ssh:start(),
Config.
@@ -393,24 +400,34 @@ erlang_server_openssh_client_renegotiate(Config) ->
SystemDir = proplists:get_value(data_dir, Config),
PrivDir = proplists:get_value(priv_dir, Config),
KnownHosts = filename:join(PrivDir, "known_hosts"),
+
{Pid, Host, Port} = ssh_test_lib:daemon([{system_dir, SystemDir},
{public_key_alg, PubKeyAlg},
{failfun, fun ssh_test_lib:failfun/2}]),
+%% catch ssh_dbg:messages(fun(String,_D) -> ct:log(String) end),
ct:sleep(500),
+ RenegLimitK = 3,
DataFile = filename:join(PrivDir, "renegotiate_openssh_client.data"),
- Data = lists:duplicate(32000, $a),
+ Data = lists:duplicate(trunc(1.1*RenegLimitK*1024), $a),
ok = file:write_file(DataFile, Data),
Cmd = "ssh -p " ++ integer_to_list(Port) ++
" -o UserKnownHostsFile=" ++ KnownHosts ++
- " -o RekeyLimit=20K" ++
+ " -o RekeyLimit=" ++ integer_to_list(RenegLimitK) ++"K" ++
" " ++ Host ++ " < " ++ DataFile,
OpenSsh = ssh_test_lib:open_port({spawn, Cmd}),
Expect = fun({data,R}) ->
- try lists:prefix(binary_to_list(R), Data)
+ try
+ NonAlphaChars = [C || C<-lists:seq(1,255),
+ not lists:member(C,lists:seq($a,$z)),
+ not lists:member(C,lists:seq($A,$Z))
+ ],
+ Lines = string:tokens(binary_to_list(R), NonAlphaChars),
+ lists:any(fun(L) -> length(L)>1 andalso lists:prefix(L, Data) end,
+ Lines)
catch
_:_ -> false
end;
@@ -419,9 +436,61 @@ erlang_server_openssh_client_renegotiate(Config) ->
end,
ssh_test_lib:rcv_expected(Expect, OpenSsh, ?TIMEOUT),
+ %% Unfortunatly we can't check that there has been a renegotiation, just trust OpenSSH.
ssh:stop_daemon(Pid).
%%--------------------------------------------------------------------
+erlang_client_openssh_server_renegotiate(_Config) ->
+ process_flag(trap_exit, true),
+
+ IO = ssh_test_lib:start_io_server(),
+ Ref = make_ref(),
+ Parent = self(),
+
+%% catch ssh_dbg:messages(fun(X,_) -> ct:log(X) end),
+ Shell =
+ spawn_link(
+ fun() ->
+ Host = ssh_test_lib:hostname(),
+ Options = [{user_interaction, false},
+ {silently_accept_hosts,true}],
+ group_leader(IO, self()),
+ {ok, ConnRef} = ssh:connect(Host, ?SSH_DEFAULT_PORT, Options),
+ case ssh_connection:session_channel(ConnRef, infinity) of
+ {ok,ChannelId} ->
+ success = ssh_connection:ptty_alloc(ConnRef, ChannelId, []),
+ Args = [{channel_cb, ssh_shell},
+ {init_args,[ConnRef, ChannelId]},
+ {cm, ConnRef}, {channel_id, ChannelId}],
+ {ok, State} = ssh_channel:init([Args]),
+ Parent ! {ok, Ref, ConnRef},
+ ssh_channel:enter_loop(State);
+ Error ->
+ Parent ! {error, Ref, Error}
+ end,
+ receive
+ nothing -> ok
+ end
+ end),
+
+ receive
+ {error, Ref, Error} ->
+ ct:fail("Error=~p",[Error]);
+ {ok, Ref, ConnectionRef} ->
+ IO ! {input, self(), "echo Hej\n"},
+ receive_hej(),
+ Kex1 = ssh_test_lib:get_kex_init(ConnectionRef),
+ ssh_connection_handler:renegotiate(ConnectionRef),
+ IO ! {input, self(), "echo Hej\n"},
+ receive_hej(),
+ Kex2 = ssh_test_lib:get_kex_init(ConnectionRef),
+ IO ! {input, self(), "exit\n"},
+ receive_logout(),
+ receive_normal_exit(Shell),
+ true = (Kex1 =/= Kex2)
+ end.
+
+%%--------------------------------------------------------------------
erlang_client_openssh_server_password() ->
[{doc, "Test client password option"}].
erlang_client_openssh_server_password(Config) when is_list(Config) ->
@@ -498,6 +567,25 @@ receive_hej() ->
30000 -> ct:fail("timeout ~p:~p",[?MODULE,?LINE])
end.
+receive_data(Data) ->
+ receive
+ Info when is_binary(Info) ->
+ Lines = string:tokens(binary_to_list(Info), "\r\n "),
+ case lists:member(Data, Lines) of
+ true ->
+ ct:log("Expected result found in lines: ~p~n", [Lines]),
+ ok;
+ false ->
+ ct:log("Extra info: ~p~n", [Info]),
+ receive_data(Data)
+ end;
+ Other ->
+ ct:log("Unexpected: ~p",[Other]),
+ receive_data(Data)
+ after
+ 30000 -> ct:fail("timeout ~p:~p",[?MODULE,?LINE])
+ end.
+
receive_logout() ->
receive
<<"logout">> ->
diff --git a/lib/stdlib/doc/src/shell_default.xml b/lib/stdlib/doc/src/shell_default.xml
index 81c99bce10..75bf89ba8d 100644
--- a/lib/stdlib/doc/src/shell_default.xml
+++ b/lib/stdlib/doc/src/shell_default.xml
@@ -51,7 +51,7 @@
<p>In command one, module <seealso marker="lists"><c>lists</c></seealso> is
called. In command two, no module name is specified. The shell searches
module <c>user_default</c> followed by module <c>shell_default</c> for
- function <c>foo/1</c>.</p>
+ function <c>c/1</c>.</p>
<p><c>shell_default</c> is intended for "system wide"
customizations to the shell. <c>user_default</c> is intended for