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-rw-r--r--lib/kernel/test/inet_SUITE.erl153
1 files changed, 151 insertions, 2 deletions
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl
index eb8f918491..ec05bf99b9 100644
--- a/lib/kernel/test/inet_SUITE.erl
+++ b/lib/kernel/test/inet_SUITE.erl
@@ -26,7 +26,8 @@
t_gethostbyaddr_v6/1, t_getaddr_v6/1, t_gethostbyname_v6/1,
ipv4_to_ipv6/1, host_and_addr/1, parse/1, t_gethostnative/1,
gethostnative_parallell/1, cname_loop/1,
- gethostnative_soft_restart/1,gethostnative_debug_level/1,getif/1]).
+ gethostnative_soft_restart/1,gethostnative_debug_level/1,getif/1,
+ getif_ifr_name_overflow/1,getservbyname_overflow/1,getifaddrs/1]).
-export([get_hosts/1, get_ipv6_hosts/1, parse_hosts/1, parse_address/1,
kill_gethost/0, parallell_gethost/0]).
@@ -39,7 +40,7 @@ all(suite) ->
ipv4_to_ipv6, host_and_addr, parse,t_gethostnative,
gethostnative_parallell, cname_loop,
gethostnative_debug_level,gethostnative_soft_restart,
- getif].
+ getif,getif_ifr_name_overflow,getservbyname_overflow,getifaddrs].
init_per_testcase(_Func, Config) ->
Dog = test_server:timetrap(test_server:seconds(60)),
@@ -872,10 +873,30 @@ getif(suite) ->
getif(doc) ->
["Tests basic functionality of getiflist, getif, and ifget"];
getif(Config) when is_list(Config) ->
+ ?line case os:type() of
+ {unix,Osname} ->
+ ?line do_getif(Osname);
+ {_,_} ->
+ {skip,"inet:getif/0 probably not supported"}
+ end.
+
+do_getif(Osname) ->
?line {ok,Hostname} = inet:gethostname(),
?line {ok,Address} = inet:getaddr(Hostname, inet),
?line {ok,Loopback} = inet:getaddr("localhost", inet),
?line {ok,Interfaces} = inet:getiflist(),
+ ?line HWAs =
+ lists:sort(
+ lists:foldl(
+ fun (I, Acc) ->
+ case inet:ifget(I, [hwaddr]) of
+ {ok,[{hwaddr,A}]} -> [A|Acc];
+ {ok,[]} -> Acc
+ end
+ end, [], Interfaces)),
+ ?line io:format("HWAs = ~p~n", [HWAs]),
+ ?line (Osname =/= sunos)
+ andalso ((length(HWAs) > 0) orelse (?t:fail(no_HWAs))),
?line Addresses =
lists:sort(
lists:foldl(
@@ -891,6 +912,134 @@ getif(Config) when is_list(Config) ->
?line true = ip_member(Loopback, Addresses),
?line ok.
+getif_ifr_name_overflow(doc) ->
+ "Test long interface names do not overrun buffer";
+getif_ifr_name_overflow(Config) when is_list(Config) ->
+ ?line case os:type() of
+ {unix,Osname} ->
+ ?line do_getif_ifr_name_overflow(Osname);
+ {_,_} ->
+ {skip,"inet:ifget/2 probably not supported"}
+ end.
+
+do_getif_ifr_name_overflow(_) ->
+ %% emulator should not crash
+ ?line {ok,[]} = inet:ifget(lists:duplicate(128, "x"), [addr]),
+ ok.
+
+getservbyname_overflow(doc) ->
+ "Test long service names do not overrun buffer";
+getservbyname_overflow(Config) when is_list(Config) ->
+ %% emulator should not crash
+ ?line {error,einval} = inet:getservbyname(list_to_atom(lists:flatten(lists:duplicate(128, "x"))), tcp),
+ ok.
+
+getifaddrs(doc) ->
+ "Test inet:gifaddrs/0";
+getifaddrs(Config) when is_list (Config) ->
+ ?line {ok,IfAddrs} = inet:getifaddrs(),
+ ?line ?t:format("IfAddrs = ~p.~n", [IfAddrs]),
+ ?line
+ case
+ {os:type(),
+ [If ||
+ {If,Opts} <- IfAddrs,
+ lists:keymember(hwaddr, 1, Opts)]} of
+ {{unix,sunos},[]} -> ok;
+ {OT,[]} ->
+ ?t:fail({should_have_hwaddr,OT});
+ _ -> ok
+ end,
+ ?line Addrs =
+ [element(1, A) || A <- ifaddrs(IfAddrs)],
+ ?line ?t:format("Addrs = ~p.~n", [Addrs]),
+ ?line [check_addr(Addr) || Addr <- Addrs],
+ ok.
+
+check_addr(Addr)
+ when tuple_size(Addr) =:= 8,
+ element(1, Addr) band 16#FFC0 =:= 16#FE80 ->
+ ?line ?t:format("Addr: ~p link local; SKIPPED!~n", [Addr]),
+ ok;
+check_addr(Addr) ->
+ ?line ?t:format("Addr: ~p.~n", [Addr]),
+ ?line Ping = "ping",
+ ?line Pong = "pong",
+ ?line {ok,L} = gen_tcp:listen(0, [{ip,Addr},{active,false}]),
+ ?line {ok,P} = inet:port(L),
+ ?line {ok,S1} = gen_tcp:connect(Addr, P, [{active,false}]),
+ ?line {ok,S2} = gen_tcp:accept(L),
+ ?line ok = gen_tcp:send(S2, Ping),
+ ?line {ok,Ping} = gen_tcp:recv(S1, length(Ping)),
+ ?line ok = gen_tcp:send(S1, Pong),
+ ?line ok = gen_tcp:close(S1),
+ ?line {ok,Pong} = gen_tcp:recv(S2, length(Pong)),
+ ?line ok = gen_tcp:close(S2),
+ ?line ok = gen_tcp:close(L),
+ ok.
+
+-record(ifopts, {name,flags,addrs=[],hwaddr}).
+
+ifaddrs([]) -> [];
+ifaddrs([{If,Opts}|IOs]) ->
+ ?line #ifopts{flags=Flags} = Ifopts =
+ check_ifopts(Opts, #ifopts{name=If}),
+ ?line case Flags =/= undefined andalso lists:member(up, Flags) of
+ true ->
+ Ifopts#ifopts.addrs;
+ false ->
+ []
+ end++ifaddrs(IOs).
+
+check_ifopts([], #ifopts{name=If,flags=Flags,addrs=Raddrs}=Ifopts) ->
+ Addrs = lists:reverse(Raddrs),
+ R = Ifopts#ifopts{addrs=Addrs},
+ ?t:format("~p.~n", [R]),
+ %% See how we did...
+ if is_list(Flags) -> ok;
+ true ->
+ ?t:fail({flags_undefined,If})
+ end,
+ case lists:member(broadcast, Flags) of
+ true ->
+ [case A of
+ {_,_,_} -> A;
+ {T,_} when tuple_size(T) =:= 8 -> A;
+ _ ->
+ ?t:fail({broaddr_missing,If,A})
+ end || A <- Addrs];
+ false ->
+ [case A of {_,_} -> A;
+ _ ->
+ ?t:fail({should_have_netmask,If,A})
+ end || A <- Addrs]
+ end,
+ R;
+check_ifopts([{flags,Flags}|Opts], #ifopts{flags=undefined}=Ifopts) ->
+ check_ifopts(Opts, Ifopts#ifopts{flags=Flags});
+check_ifopts([{flags,Fs}|Opts], #ifopts{flags=Flags}=Ifopts) ->
+ case Fs of
+ Flags ->
+ check_ifopts(Opts, Ifopts#ifopts{});
+ _ ->
+ ?t:fail({multiple_flags,Fs,Ifopts})
+ end;
+check_ifopts(
+ [{addr,Addr},{netmask,Netmask},{broadaddr,Broadaddr}|Opts],
+ #ifopts{addrs=Addrs}=Ifopts) ->
+ check_ifopts(Opts, Ifopts#ifopts{addrs=[{Addr,Netmask,Broadaddr}|Addrs]});
+check_ifopts(
+ [{addr,Addr},{netmask,Netmask}|Opts],
+ #ifopts{addrs=Addrs}=Ifopts) ->
+ check_ifopts(Opts, Ifopts#ifopts{addrs=[{Addr,Netmask}|Addrs]});
+check_ifopts([{addr,Addr}|Opts], #ifopts{addrs=Addrs}=Ifopts) ->
+ check_ifopts(Opts, Ifopts#ifopts{addrs=[{Addr}|Addrs]});
+check_ifopts([{hwaddr,Hwaddr}|Opts], #ifopts{hwaddr=undefined}=Ifopts)
+ when is_list(Hwaddr) ->
+ check_ifopts(Opts, Ifopts#ifopts{hwaddr=Hwaddr});
+check_ifopts([{hwaddr,HwAddr}|_], #ifopts{}=Ifopts) ->
+ ?t:fail({multiple_hwaddrs,HwAddr,Ifopts}).
+
%% Works just like lists:member/2, except that any {127,_,_,_} tuple
%% matches any other {127,_,_,_}. We do this to handle Linux systems
%% that use (for instance) 127.0.1.1 as the IP address for the hostname.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-19 15:04:02 +0000