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-rw-r--r--lib/kernel/doc/src/error_logger.xml15
-rw-r--r--lib/kernel/doc/src/inet.xml8
-rw-r--r--lib/kernel/doc/src/kernel_app.xml1
-rw-r--r--lib/kernel/doc/src/net_kernel.xml13
-rw-r--r--lib/kernel/doc/src/os.xml5
-rw-r--r--lib/kernel/src/dist_util.erl19
-rw-r--r--lib/kernel/src/error_logger.erl20
-rw-r--r--lib/kernel/src/global.erl3
-rw-r--r--lib/kernel/test/code_SUITE.erl22
-rw-r--r--lib/kernel/test/erl_distribution_SUITE.erl14
-rw-r--r--lib/kernel/test/gen_tcp_api_SUITE.erl8
-rw-r--r--lib/kernel/test/gen_udp_SUITE.erl4
-rw-r--r--lib/kernel/test/inet_sockopt_SUITE.erl2
-rw-r--r--lib/kernel/test/os_SUITE.erl47
14 files changed, 138 insertions, 43 deletions
diff --git a/lib/kernel/doc/src/error_logger.xml b/lib/kernel/doc/src/error_logger.xml
index 814e8eac46..27db00819f 100644
--- a/lib/kernel/doc/src/error_logger.xml
+++ b/lib/kernel/doc/src/error_logger.xml
@@ -4,7 +4,7 @@
<erlref>
<header>
<copyright>
- <year>1996</year><year>2016</year>
+ <year>1996</year><year>2017</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -163,6 +163,19 @@ ok</pre>
</desc>
</func>
<func>
+ <name name="get_format_depth" arity="0"/>
+ <fsummary>Get the value of the Kernel application variable
+ <c>error_logger_format_depth</c>.</fsummary>
+ <desc>
+ <p>Returns <c>max(10, Depth)</c>, where <c>Depth</c> is the
+ value of
+ <seealso marker="kernel:kernel_app#error_logger_format_depth">
+ error_logger_format_depth</seealso>
+ in the Kernel application, if Depth is an integer. Otherwise,
+ <c>unlimited</c> is returned.</p>
+ </desc>
+ </func>
+ <func>
<name name="info_msg" arity="1"/>
<name name="info_msg" arity="2"/>
<fsummary>Send a standard information event to the error logger.</fsummary>
diff --git a/lib/kernel/doc/src/inet.xml b/lib/kernel/doc/src/inet.xml
index b7c904ff45..b71e8a1e5d 100644
--- a/lib/kernel/doc/src/inet.xml
+++ b/lib/kernel/doc/src/inet.xml
@@ -75,8 +75,8 @@ Address ip_address()
------- ------------
::1 {0,0,0,0,0,0,0,1}
::192.168.42.2 {0,0,0,0,0,0,(192 bsl 8) bor 168,(42 bsl 8) bor 2}
-FFFF::192.168.42.2
- {16#FFFF,0,0,0,0,0,(192 bsl 8) bor 168,(42 bsl 8) bor 2}
+::FFFF:192.168.42.2
+ {0,0,0,0,0,16#FFFF,(192 bsl 8) bor 168,(42 bsl 8) bor 2}
3ffe:b80:1f8d:2:204:acff:fe17:bf38
{16#3ffe,16#b80,16#1f8d,16#2,16#204,16#acff,16#fe17,16#bf38}
fe80::204:acff:fe17:bf38
@@ -87,8 +87,8 @@ fe80::204:acff:fe17:bf38
<pre>
1> <input>inet:parse_address("192.168.42.2").</input>
{ok,{192,168,42,2}}
-2> <input>inet:parse_address("FFFF::192.168.42.2").</input>
-{ok,{65535,0,0,0,0,0,49320,10754}}</pre>
+2> <input>inet:parse_address("::FFFF:192.168.42.2").</input>
+{ok,{0,0,0,0,0,65535,49320,10754}}</pre>
</description>
<datatypes>
diff --git a/lib/kernel/doc/src/kernel_app.xml b/lib/kernel/doc/src/kernel_app.xml
index 9fccb4c7ac..75e1e18d86 100644
--- a/lib/kernel/doc/src/kernel_app.xml
+++ b/lib/kernel/doc/src/kernel_app.xml
@@ -58,6 +58,7 @@
</section>
<section>
+ <marker id="erl_signal_server"/>
<title>OS Signal Event Handler</title>
<p>Asynchronous OS signals may be subscribed to via the Kernel applications event manager
(see <seealso marker="doc/design_principles:des_princ">OTP Design Principles</seealso> and
diff --git a/lib/kernel/doc/src/net_kernel.xml b/lib/kernel/doc/src/net_kernel.xml
index 4e2b0c69db..7ddb849824 100644
--- a/lib/kernel/doc/src/net_kernel.xml
+++ b/lib/kernel/doc/src/net_kernel.xml
@@ -64,6 +64,19 @@ $ <input>erl -sname foobar</input></pre>
by the magic cookie system, see section
<seealso marker="doc/reference_manual:distributed">Distributed Erlang</seealso>
in the Erlang Reference Manual.</p>
+ <warning>
+ <p>
+ Starting a distributed node without also specifying
+ <seealso marker="erts:erl#proto_dist"><c>-proto_dist inet_tls</c></seealso>
+ will expose the node to attacks that may give the attacker
+ complete access to the node and in extension the cluster.
+ When using un-secure distributed nodes, make sure that the
+ network is configured to keep potential attackers out.
+ See the <seealso marker="ssl:ssl_distribution">
+ Using SSL for Erlang Distribution</seealso> User's Guide
+ for details on how to setup a secure distributed node.
+ </p>
+ </warning>
</description>
<funcs>
diff --git a/lib/kernel/doc/src/os.xml b/lib/kernel/doc/src/os.xml
index 64c5cbe571..0e9add4161 100644
--- a/lib/kernel/doc/src/os.xml
+++ b/lib/kernel/doc/src/os.xml
@@ -174,8 +174,9 @@ DirOut = os:cmd("dir"), % on Win32 platform</code>
<tag><c>handle</c></tag>
<item>
- This signal will notify <c>erl_signal_server</c> when it is received by
- the Erlang runtime system.
+ This signal will notify
+ <seealso marker="kernel_app#erl_signal_server"><c>erl_signal_server</c></seealso>
+ when it is received by the Erlang runtime system.
</item>
</taglist>
</desc>
diff --git a/lib/kernel/src/dist_util.erl b/lib/kernel/src/dist_util.erl
index 1c326afca8..b3507e5d13 100644
--- a/lib/kernel/src/dist_util.erl
+++ b/lib/kernel/src/dist_util.erl
@@ -572,12 +572,25 @@ recv_name(#hs_data{socket = Socket, f_recv = Recv}) ->
?shutdown(no_node)
end.
-get_name([$n,VersionA, VersionB, Flag1, Flag2, Flag3, Flag4 | OtherNode]) ->
- {?u32(Flag1, Flag2, Flag3, Flag4), list_to_atom(OtherNode),
- ?u16(VersionA,VersionB)};
+get_name([$n,VersionA, VersionB, Flag1, Flag2, Flag3, Flag4 | OtherNode] = Data) ->
+ case is_valid_name(OtherNode) of
+ true ->
+ {?u32(Flag1, Flag2, Flag3, Flag4), list_to_atom(OtherNode),
+ ?u16(VersionA,VersionB)};
+ false ->
+ ?shutdown(Data)
+ end;
get_name(Data) ->
?shutdown(Data).
+is_valid_name(OtherNodeName) ->
+ case string:lexemes(OtherNodeName,"@") of
+ [_OtherNodeName,_OtherNodeHost] ->
+ true;
+ _else ->
+ false
+ end.
+
publish_type(Flags) ->
case Flags band ?DFLAG_PUBLISHED of
0 ->
diff --git a/lib/kernel/src/error_logger.erl b/lib/kernel/src/error_logger.erl
index 81f1bf8d97..9bf8547745 100644
--- a/lib/kernel/src/error_logger.erl
+++ b/lib/kernel/src/error_logger.erl
@@ -31,6 +31,8 @@
handle_event/2, handle_call/2, handle_info/2,
terminate/2]).
+-export([get_format_depth/0, limit_term/1]).
+
-define(buffer_size, 10).
%%-----------------------------------------------------------------
@@ -518,3 +520,21 @@ string_p1([H|T]) when is_list(H) ->
end;
string_p1([]) -> true;
string_p1(_) -> false.
+
+-spec limit_term(term()) -> term().
+
+limit_term(Term) ->
+ case get_format_depth() of
+ unlimited -> Term;
+ D -> io_lib:limit_term(Term, D)
+ end.
+
+-spec get_format_depth() -> 'unlimited' | pos_integer().
+
+get_format_depth() ->
+ case application:get_env(kernel, error_logger_format_depth) of
+ {ok, Depth} when is_integer(Depth) ->
+ max(10, Depth);
+ undefined ->
+ unlimited
+ end.
diff --git a/lib/kernel/src/global.erl b/lib/kernel/src/global.erl
index 3d6415036c..a9e92b28b8 100644
--- a/lib/kernel/src/global.erl
+++ b/lib/kernel/src/global.erl
@@ -447,7 +447,8 @@ info() ->
init([]) ->
process_flag(trap_exit, true),
_ = ets:new(global_locks, [set, named_table, protected]),
- _ = ets:new(global_names, [set, named_table, protected]),
+ _ = ets:new(global_names, [set, named_table, protected,
+ {read_concurrency, true}]),
_ = ets:new(global_names_ext, [set, named_table, protected]),
_ = ets:new(global_pid_names, [bag, named_table, protected]),
diff --git a/lib/kernel/test/code_SUITE.erl b/lib/kernel/test/code_SUITE.erl
index 7831777726..6f8e949aac 100644
--- a/lib/kernel/test/code_SUITE.erl
+++ b/lib/kernel/test/code_SUITE.erl
@@ -107,14 +107,19 @@ init_per_testcase(big_boot_embedded, Config) ->
_Else ->
{skip, "Needs crypto!"}
end;
-init_per_testcase(on_load_embedded, Config) ->
+init_per_testcase(on_load_embedded, Config0) ->
LibRoot = code:lib_dir(),
LinkName = filename:join(LibRoot, "on_load_app-1.0"),
- [{link_name,LinkName}|Config];
+ Config = [{link_name,LinkName}|Config0],
+ init_per_testcase(Config);
init_per_testcase(_Func, Config) ->
+ init_per_testcase(Config).
+
+init_per_testcase(Config) ->
P = code:get_path(),
[{code_path, P}|Config].
+
end_per_testcase(module_status, Config) ->
code:purge(?TESTMOD),
code:delete(?TESTMOD),
@@ -1786,6 +1791,19 @@ do_normalized_paths([]) ->
%% Test that module_status/1 behaves as expected
module_status(_Config) ->
+ case test_server:is_cover() of
+ true ->
+ module_status();
+ false ->
+ %% Make sure that we terminate the cover server.
+ try
+ module_status()
+ after
+ cover:stop()
+ end
+ end.
+
+module_status() ->
%% basics
not_loaded = code:module_status(fubar), % nonexisting
{file, preloaded} = code:is_loaded(erlang),
diff --git a/lib/kernel/test/erl_distribution_SUITE.erl b/lib/kernel/test/erl_distribution_SUITE.erl
index d7a9ac39a3..bbfaa9d147 100644
--- a/lib/kernel/test/erl_distribution_SUITE.erl
+++ b/lib/kernel/test/erl_distribution_SUITE.erl
@@ -230,7 +230,7 @@ legal(Name) ->
end.
illegal(Name) ->
- case test_node(Name) of
+ case test_node(Name, true) of
not_started ->
ok;
started ->
@@ -238,12 +238,20 @@ illegal(Name) ->
end.
test_node(Name) ->
+ test_node(Name, false).
+test_node(Name, Illigal) ->
ProgName = atom_to_list(lib:progname()),
Command = ProgName ++ " -noinput " ++ long_or_short() ++ Name ++
- " -eval \"net_adm:ping('" ++ atom_to_list(node()) ++ "')\"",
+ " -eval \"net_adm:ping('" ++ atom_to_list(node()) ++ "')\"" ++
+ case Illigal of
+ true ->
+ " -eval \"timer:sleep(10000),init:stop().\"";
+ false ->
+ ""
+ end,
net_kernel:monitor_nodes(true),
BinCommand = unicode:characters_to_binary(Command, utf8),
- open_port({spawn, BinCommand}, [stream]),
+ Prt = open_port({spawn, BinCommand}, [stream]),
Node = list_to_atom(Name),
receive
{nodeup, Node} ->
diff --git a/lib/kernel/test/gen_tcp_api_SUITE.erl b/lib/kernel/test/gen_tcp_api_SUITE.erl
index 92a74465b7..3f11e25b93 100644
--- a/lib/kernel/test/gen_tcp_api_SUITE.erl
+++ b/lib/kernel/test/gen_tcp_api_SUITE.erl
@@ -302,9 +302,9 @@ t_implicit_inet6(Config) when is_list(Config) ->
end.
t_implicit_inet6(Host, Addr) ->
- case gen_tcp:listen(0, [inet6]) of
+ Loopback = {0,0,0,0,0,0,0,1},
+ case gen_tcp:listen(0, [inet6, {ip,Loopback}]) of
{ok,S1} ->
- Loopback = {0,0,0,0,0,0,0,1},
io:format("~s ~p~n", ["::1",Loopback]),
implicit_inet6(S1, Loopback),
ok = gen_tcp:close(S1),
@@ -524,10 +524,10 @@ local_handshake(S, SAddr, C, CAddr) ->
t_accept_inet6_tclass(Config) when is_list(Config) ->
TClassOpt = {tclass,8#56 bsl 2}, % Expedited forwarding
- case gen_tcp:listen(0, [inet6,TClassOpt]) of
+ Loopback = {0,0,0,0,0,0,0,1},
+ case gen_tcp:listen(0, [inet6, {ip, Loopback}, TClassOpt]) of
{ok,L} ->
LPort = ok(inet:port(L)),
- Loopback = {0,0,0,0,0,0,0,1},
Sa = ok(gen_tcp:connect(Loopback, LPort, [])),
Sb = ok(gen_tcp:accept(L)),
[TClassOpt] = ok(inet:getopts(Sb, [tclass])),
diff --git a/lib/kernel/test/gen_udp_SUITE.erl b/lib/kernel/test/gen_udp_SUITE.erl
index 1029d7ef0a..836e0c5a05 100644
--- a/lib/kernel/test/gen_udp_SUITE.erl
+++ b/lib/kernel/test/gen_udp_SUITE.erl
@@ -717,9 +717,9 @@ implicit_inet6(Config) when is_list(Config) ->
implicit_inet6(Host, Addr) ->
Active = {active,false},
- case gen_udp:open(0, [inet6,Active]) of
+ Loopback = {0,0,0,0,0,0,0,1},
+ case gen_udp:open(0, [inet6,Active,{ip, Loopback}]) of
{ok,S1} ->
- Loopback = {0,0,0,0,0,0,0,1},
io:format("~s ~p~n", ["::1",Loopback]),
implicit_inet6(S1, Active, Loopback),
ok = gen_udp:close(S1),
diff --git a/lib/kernel/test/inet_sockopt_SUITE.erl b/lib/kernel/test/inet_sockopt_SUITE.erl
index 322b9f30fe..9413cbd976 100644
--- a/lib/kernel/test/inet_sockopt_SUITE.erl
+++ b/lib/kernel/test/inet_sockopt_SUITE.erl
@@ -620,7 +620,7 @@ ipv6_v6only_close(Module, Socket) ->
%% Test using socket option ipv6_v6only for UDP.
use_ipv6_v6only_udp(Config) when is_list(Config) ->
- case gen_udp:open(0, [inet6,{ipv6_v6only,true}]) of
+ case gen_udp:open(0, [inet6,{ip,{0,0,0,0,0,0,0,1}}, {ipv6_v6only,true}]) of
{ok,S6} ->
case inet:getopts(S6, [ipv6_v6only]) of
{ok,[{ipv6_v6only,true}]} ->
diff --git a/lib/kernel/test/os_SUITE.erl b/lib/kernel/test/os_SUITE.erl
index 3cbb75a633..1233e362f2 100644
--- a/lib/kernel/test/os_SUITE.erl
+++ b/lib/kernel/test/os_SUITE.erl
@@ -319,31 +319,38 @@ perf_counter_api(_Config) ->
true = is_integer(os:perf_counter()),
true = os:perf_counter() > 0,
- T1 = os:perf_counter(),
+ Conv = fun(T1, T2) ->
+ erlang:convert_time_unit(T2 - T1, perf_counter, nanosecond)
+ end,
+
+ do_perf_counter_test([], Conv, 120000000, 80000000),
+ do_perf_counter_test([1000], fun(T1, T2) -> T2 - T1 end, 120, 80).
+
+do_perf_counter_test(CntArgs, Conv, Upper, Lower) ->
+ %% We run the test multiple times to try to get a somewhat
+ %% stable value... what does this test? That the
+ %% calculate_perf_counter_unit in sys_time.c works somewhat ok.
+ do_perf_counter_test(CntArgs, Conv, Upper, Lower, 10).
+
+do_perf_counter_test(CntArgs, _Conv, Upper, Lower, 0) ->
+ ct:fail("perf_counter_test ~p ~p ~p",[CntArgs, Upper, Lower]);
+do_perf_counter_test(CntArgs, Conv, Upper, Lower, Iters) ->
+
+ T1 = apply(os, perf_counter, CntArgs),
timer:sleep(100),
- T2 = os:perf_counter(),
- TsDiff = erlang:convert_time_unit(T2 - T1, perf_counter, nanosecond),
- ct:pal("T1: ~p~n"
+ T2 = apply(os, perf_counter, CntArgs),
+ TsDiff = Conv(T1, T2),
+ ct:log("T1: ~p~n"
"T2: ~p~n"
"TsDiff: ~p~n",
[T1,T2,TsDiff]),
- %% We allow a 15% diff
- true = TsDiff < 115000000,
- true = TsDiff > 85000000,
-
- T1Ms = os:perf_counter(1000),
- timer:sleep(100),
- T2Ms = os:perf_counter(1000),
- MsDiff = T2Ms - T1Ms,
- ct:pal("T1Ms: ~p~n"
- "T2Ms: ~p~n"
- "MsDiff: ~p~n",
- [T1Ms,T2Ms,MsDiff]),
-
- %% We allow a 15% diff
- true = MsDiff < 115,
- true = MsDiff > 85.
+ if
+ TsDiff < Upper, TsDiff > Lower ->
+ ok;
+ true ->
+ do_perf_counter_test(CntArgs, Conv, Upper, Lower, Iters-1)
+ end.
%% Util functions
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-13 11:41:34 +0000