diff options
Diffstat (limited to 'lib/kernel/test/inet_SUITE.erl')
| -rw-r--r-- | lib/kernel/test/inet_SUITE.erl | 912 |
1 files changed, 530 insertions, 382 deletions
diff --git a/lib/kernel/test/inet_SUITE.erl b/lib/kernel/test/inet_SUITE.erl index 62ba95e1a3..f60c13d2e3 100644 --- a/lib/kernel/test/inet_SUITE.erl +++ b/lib/kernel/test/inet_SUITE.erl @@ -1,24 +1,25 @@ %% %% %CopyrightBegin% %% -%% Copyright Ericsson AB 1997-2013. All Rights Reserved. +%% Copyright Ericsson AB 1997-2016. All Rights Reserved. %% -%% The contents of this file are subject to the Erlang Public License, -%% Version 1.1, (the "License"); you may not use this file except in -%% compliance with the License. You should have received a copy of the -%% Erlang Public License along with this software. If not, it can be -%% retrieved online at http://www.erlang.org/. +%% Licensed under the Apache License, Version 2.0 (the "License"); +%% you may not use this file except in compliance with the License. +%% You may obtain a copy of the License at %% -%% Software distributed under the License is distributed on an "AS IS" -%% basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See -%% the License for the specific language governing rights and limitations -%% under the License. +%% http://www.apache.org/licenses/LICENSE-2.0 +%% +%% Unless required by applicable law or agreed to in writing, software +%% distributed under the License is distributed on an "AS IS" BASIS, +%% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +%% See the License for the specific language governing permissions and +%% limitations under the License. %% %% %CopyrightEnd% %% -module(inet_SUITE). --include_lib("test_server/include/test_server.hrl"). +-include_lib("common_test/include/ct.hrl"). -include_lib("kernel/include/inet.hrl"). -include_lib("kernel/src/inet_dns.hrl"). @@ -36,15 +37,18 @@ gethostnative_parallell/1, cname_loop/1, gethostnative_soft_restart/0, gethostnative_soft_restart/1, gethostnative_debug_level/0, gethostnative_debug_level/1, + lookup_bad_search_option/1, getif/1, getif_ifr_name_overflow/1,getservbyname_overflow/1, getifaddrs/1, - parse_strict_address/1]). + parse_strict_address/1, simple_netns/1, simple_netns_open/1]). -export([get_hosts/1, get_ipv6_hosts/1, parse_hosts/1, parse_address/1, - kill_gethost/0, parallell_gethost/0]). + kill_gethost/0, parallell_gethost/0, test_netns/0]). -export([init_per_testcase/2, end_per_testcase/2]). -suite() -> [{ct_hooks,[ts_install_cth]}]. +suite() -> + [{ct_hooks,[ts_install_cth]}, + {timetrap,{minutes,1}}]. all() -> [t_gethostbyaddr, t_gethostbyname, t_getaddr, @@ -52,8 +56,9 @@ all() -> ipv4_to_ipv6, host_and_addr, {group, parse}, t_gethostnative, gethostnative_parallell, cname_loop, gethostnative_debug_level, gethostnative_soft_restart, + lookup_bad_search_option, getif, getif_ifr_name_overflow, getservbyname_overflow, - getifaddrs, parse_strict_address]. + getifaddrs, parse_strict_address, simple_netns, simple_netns_open]. groups() -> [{parse, [], [parse_hosts, parse_address]}]. @@ -86,124 +91,141 @@ init_per_group(_GroupName, Config) -> end_per_group(_GroupName, Config) -> Config. +init_per_testcase(lookup_bad_search_option, Config) -> + Db = inet_db, + Key = res_lookup, + %% The bad option can not enter through inet_db:set_lookup/1, + %% but through e.g .inetrc. + Prev = ets:lookup(Db, Key), + ets:delete(Db, Key), + ets:insert(Db, {Key,[lookup_bad_search_option]}), + io:format("Misconfigured resolver lookup order", []), + [{Key,Prev}|Config]; init_per_testcase(_Func, Config) -> - Dog = test_server:timetrap(test_server:seconds(60)), - [{watchdog,Dog}|Config]. + Config. -end_per_testcase(_Func, Config) -> - Dog = ?config(watchdog, Config), - test_server:timetrap_cancel(Dog). +end_per_testcase(lookup_bad_search_option, Config) -> + Db = inet_db, + Key = res_lookup, + Prev = proplists:get_value(Key, Config), + ets:delete(Db, Key), + ets:insert(Db, Prev), + io:format("Restored resolver lookup order", []); +end_per_testcase(_Func, _Config) -> + ok. t_gethostbyaddr() -> required(v4). -t_gethostbyaddr(doc) -> "Test the inet:gethostbyaddr/1 function."; +%% Test the inet:gethostbyaddr/1 function. t_gethostbyaddr(Config) when is_list(Config) -> - ?line {Name,FullName,IPStr,{A,B,C,D}=IP,Aliases,_,_} = - ct:get_config(test_host_ipv4_only), - ?line Rname = integer_to_list(D) ++ "." ++ + {Name,FullName,IPStr,{A,B,C,D}=IP,Aliases,_,_} = ct:get_config(test_host_ipv4_only), + Rname = integer_to_list(D) ++ "." ++ integer_to_list(C) ++ "." ++ integer_to_list(B) ++ "." ++ integer_to_list(A) ++ ".in-addr.arpa", - ?line {ok,HEnt} = inet:gethostbyaddr(IPStr), - ?line {ok,HEnt} = inet:gethostbyaddr(IP), - ?line {error,Error} = inet:gethostbyaddr(Name), - ?line ok = io:format("Failure reason: ~p: ~s", - [error,inet:format_error(Error)]), - ?line HEnt_ = HEnt#hostent{h_addrtype = inet, - h_length = 4, - h_addr_list = [IP]}, - ?line HEnt_ = HEnt, + {ok,HEnt} = inet:gethostbyaddr(IPStr), + {ok,HEnt} = inet:gethostbyaddr(IP), + {error,Error} = inet:gethostbyaddr(Name), + ok = io:format("Failure reason: ~p: ~s", [error,inet:format_error(Error)]), + HEnt_ = HEnt#hostent{h_addrtype = inet, + h_length = 4, + h_addr_list = [IP]}, + HEnt_ = HEnt, case {os:type(),os:version()} of - {{unix,freebsd},{5,0,0}} -> - %% The alias list seems to be buggy in FreeBSD 5.0.0. - ?line check_elems([{HEnt#hostent.h_name,[Name,FullName]}]), - io:format("Buggy alias list: ~p", [HEnt#hostent.h_aliases]), - ok; - _ -> - ?line check_elems([{HEnt#hostent.h_name,[Name,FullName]}, - {HEnt#hostent.h_aliases,[[],Aliases,[Rname]]}]) + {{unix,freebsd},{5,0,0}} -> + %% The alias list seems to be buggy in FreeBSD 5.0.0. + check_elems([{HEnt#hostent.h_name,[Name,FullName]}]), + io:format("Buggy alias list: ~p", [HEnt#hostent.h_aliases]), + ok; + _ -> + io:format("alias list: ~p", [HEnt#hostent.h_aliases]), + io:format( + "check alias list: ~p", [[Aliases,tl(Aliases),[Rname]]]), + io:format("name: ~p", [HEnt#hostent.h_name]), + io:format("check name: ~p", [[Name,FullName]]), + check_elems( + [{HEnt#hostent.h_name,[Name,FullName]}, + {HEnt#hostent.h_aliases,[[],Aliases,tl(Aliases),[Rname]]}]) end, - ?line {_DName, _DFullName, DIPStr, DIP, _, _, _} = - ct:get_config(test_dummy_host), - ?line {error,nxdomain} = inet:gethostbyaddr(DIPStr), - ?line {error,nxdomain} = inet:gethostbyaddr(DIP), + {_DName, _DFullName, DIPStr, DIP, _, _, _} = ct:get_config(test_dummy_host), + {error,nxdomain} = inet:gethostbyaddr(DIPStr), + {error,nxdomain} = inet:gethostbyaddr(DIP), ok. t_gethostbyaddr_v6() -> required(v6). -t_gethostbyaddr_v6(doc) -> "Test the inet:gethostbyaddr/1 inet6 function."; +%% Test the inet:gethostbyaddr/1 inet6 function. t_gethostbyaddr_v6(Config) when is_list(Config) -> - ?line {Name6, FullName6, IPStr6, IP6, Aliases6} = + {Name6, FullName6, IPStr6, IP6, Aliases6} = ct:get_config(test_host_ipv6_only), - ?line case inet:gethostbyaddr(IPStr6) of + case inet:gethostbyaddr(IPStr6) of %% Even if IPv6 is not supported, the native resolver may succeed %% looking up the host. DNS lookup will probably fail. {error,nxdomain} -> {skip, "IPv6 test fails! IPv6 not supported on this host!?"}; {ok,HEnt6} -> - ?line {ok,HEnt6} = inet:gethostbyaddr(IP6), - ?line {error,Error6} = inet:gethostbyaddr(Name6), - ?line ok = io:format("Failure reason: ~p: ~s", - [Error6, inet:format_error(Error6)]), - ?line HEnt6_ = HEnt6#hostent{h_addrtype = inet6, - h_length = 16, - h_addr_list = [IP6]}, - ?line HEnt6_ = HEnt6, - ?line check_elems([{HEnt6#hostent.h_name,[Name6,FullName6]}, - {HEnt6#hostent.h_aliases,[[],Aliases6]}]), - - ?line {_DName6, _DFullName6, DIPStr6, DIP6, _} = - ct:get_config(test_dummy_ipv6_host), - ?line {error,nxdomain} = inet:gethostbyaddr(DIPStr6), - ?line {error,nxdomain} = inet:gethostbyaddr(DIP6), + {ok,HEnt6} = inet:gethostbyaddr(IP6), + {error,Error6} = inet:gethostbyaddr(Name6), + ok = io:format("Failure reason: ~p: ~s", + [Error6, inet:format_error(Error6)]), + HEnt6_ = HEnt6#hostent{h_addrtype = inet6, + h_length = 16, + h_addr_list = [IP6]}, + HEnt6_ = HEnt6, + check_elems( + [{HEnt6#hostent.h_name,[Name6,FullName6]}, + {HEnt6#hostent.h_aliases,[[],Aliases6,tl(Aliases6)]}]), + + {_DName6, _DFullName6, DIPStr6, DIP6, _} = + ct:get_config(test_dummy_ipv6_host), + {error,nxdomain} = inet:gethostbyaddr(DIPStr6), + {error,nxdomain} = inet:gethostbyaddr(DIP6), ok end. t_gethostbyname() -> required(v4). -t_gethostbyname(doc) -> "Test the inet:gethostbyname/1 function."; -t_gethostbyname(suite) -> []; +%% Test the inet:gethostbyname/1 function. t_gethostbyname(Config) when is_list(Config) -> - ?line {Name,FullName,IPStr,IP,Aliases,IP_46_Str,_} = + {Name,FullName,IPStr,IP,Aliases,IP_46_Str,_} = ct:get_config(test_host_ipv4_only), - ?line {ok,_} = inet:gethostbyname(IPStr), - ?line {ok,HEnt} = inet:gethostbyname(Name), - ?line {ok,HEnt} = inet:gethostbyname(list_to_atom(Name)), - ?line HEnt_ = HEnt#hostent{h_addrtype = inet, - h_length = 4, - h_addr_list = [IP]}, - - ?line HEnt_ = HEnt, - ?line check_elems([{HEnt#hostent.h_name,[Name,FullName]}, - {HEnt#hostent.h_aliases,[[],Aliases]}]), - ?line {ok,HEntF} = inet:gethostbyname(FullName), - ?line HEntF_ = HEntF#hostent{h_name = FullName, - h_addrtype = inet, - h_length = 4, - h_addr_list = [IP]}, - ?line HEntF_ = HEntF, - ?line check_elems([{HEnt#hostent.h_aliases,[[],Aliases]}]), + {ok,_} = inet:gethostbyname(IPStr), + {ok,HEnt} = inet:gethostbyname(Name), + {ok,HEnt} = inet:gethostbyname(list_to_atom(Name)), + HEnt_ = HEnt#hostent{h_addrtype = inet, + h_length = 4, + h_addr_list = [IP]}, + + HEnt_ = HEnt, + check_elems([{HEnt#hostent.h_name,[Name,FullName]}, + {HEnt#hostent.h_aliases,[[],Aliases,tl(Aliases)]}]), + {ok,HEntF} = inet:gethostbyname(FullName), + HEntF_ = HEntF#hostent{h_name = FullName, + h_addrtype = inet, + h_length = 4, + h_addr_list = [IP]}, + HEntF_ = HEntF, + check_elems([{HEnt#hostent.h_aliases,[[],Aliases,tl(Aliases)]}]), %% - ?line FullNameU = toupper(FullName), - ?line {ok,HEntU} = inet:gethostbyname(FullNameU), - ?line FullNameU = toupper(HEntU#hostent.h_name), - ?line #hostent{ + FullNameU = toupper(FullName), + {ok,HEntU} = inet:gethostbyname(FullNameU), + FullNameU = toupper(HEntU#hostent.h_name), + #hostent{ h_addrtype = inet, h_length = 4, h_addr_list = [IP]} = HEntU, - ?line check_elems( - [{[toupper(H) || H <- HEntU#hostent.h_aliases], - [[],[toupper(A) || A <- Aliases]]}]), + check_elems( + [{[toupper(H) || H <- HEntU#hostent.h_aliases], + [[],[toupper(A) || A <- Aliases]]}]), - ?line {DName, _DFullName, _DIPStr, _DIP, _, _, _} = + {DName, _DFullName, _DIPStr, _DIP, _, _, _} = ct:get_config(test_dummy_host), - ?line {error,nxdomain} = inet:gethostbyname(DName), - ?line {error,nxdomain} = inet:gethostbyname(IP_46_Str), + {error,nxdomain} = inet:gethostbyname(DName), + {error,nxdomain} = inet:gethostbyname(IP_46_Str), ok. t_gethostbyname_v6() -> required(v6). -t_gethostbyname_v6(doc) -> "Test the inet:gethostbyname/1 inet6 function."; -t_gethostbyname_v6(suite) -> []; +%% Test the inet:gethostbyname/1 inet6 function. t_gethostbyname_v6(Config) when is_list(Config) -> {Name, FullName, IPStr, IP, Aliases} = ct:get_config(test_host_ipv6_only), @@ -218,7 +240,7 @@ t_gethostbyname_v6(Config) when is_list(Config) -> h_length = 16} = HEnt, check_elems( [{HEnt#hostent.h_name,[Name,FullName]}, - {HEnt#hostent.h_aliases,[[],Aliases]}]); + {HEnt#hostent.h_aliases,[[],Aliases,tl(Aliases)]}]); [IP46] -> % IPv4 compatible address {ok,HEnt4} = inet:gethostbyname(Name, inet), #hostent{h_addrtype = inet, @@ -226,7 +248,7 @@ t_gethostbyname_v6(Config) when is_list(Config) -> h_addr_list = [IP4]} = HEnt4, {ok,IP46} = inet_parse:ipv6_address( - "::ffff:" ++ inet_parse:ntoa(IP4)), + "::ffff:" ++ inet:ntoa(IP4)), check_elems( [{HEnt#hostent.h_name,[Name,FullName]}]) end, @@ -238,7 +260,7 @@ t_gethostbyname_v6(Config) when is_list(Config) -> h_addrtype = inet6, h_length = 16} = HEntF, check_elems( - [{HEnt#hostent.h_aliases,[[],Aliases]}]); + [{HEnt#hostent.h_aliases,[[],Aliases,tl(Aliases)]}]); [IP46F] -> % IPv4 compatible address {ok,HEnt4F} = inet:gethostbyname(FullName, inet), #hostent{h_addrtype = inet, @@ -246,7 +268,7 @@ t_gethostbyname_v6(Config) when is_list(Config) -> h_addr_list = [IP4F]} = HEnt4F, {ok,IP46F} = inet_parse:ipv6_address( - "::ffff:" ++ inet_parse:ntoa(IP4F)), + "::ffff:" ++ inet:ntoa(IP4F)), check_elems( [{HEntF#hostent.h_name,[Name,FullName]}]) end; @@ -263,33 +285,31 @@ check_elem(Val, [Val|_], _) -> ok; check_elem(Val, [_|Tests], Tests0) -> check_elem(Val, Tests, Tests0); check_elem(Val, [], Tests0) -> - ?t:fail({no_match,Val,Tests0}). + ct:fail({no_match,Val,Tests0}). t_getaddr() -> required(v4). -t_getaddr(doc) -> "Test the inet:getaddr/2 function."; -t_getaddr(suite) -> []; +%% Test the inet:getaddr/2 function. t_getaddr(Config) when is_list(Config) -> - ?line {Name,FullName,IPStr,IP,_,IP_46_Str,IP46} = + {Name,FullName,IPStr,IP,_,IP_46_Str,IP46} = ct:get_config(test_host_ipv4_only), - ?line {ok,IP} = inet:getaddr(list_to_atom(Name), inet), - ?line {ok,IP} = inet:getaddr(Name, inet), - ?line {ok,IP} = inet:getaddr(FullName, inet), - ?line {ok,IP} = inet:getaddr(IP, inet), - ?line {ok,IP} = inet:getaddr(IPStr, inet), - ?line {error,nxdomain} = inet:getaddr(IP_46_Str, inet), - ?line {error,eafnosupport} = inet:getaddr(IP46, inet), - - ?line {DName, DFullName, DIPStr, DIP, _, _, _} = ct:get_config(test_dummy_host), - ?line {error,nxdomain} = inet:getaddr(DName, inet), - ?line {error,nxdomain} = inet:getaddr(DFullName, inet), - ?line {ok,DIP} = inet:getaddr(DIPStr, inet), - ?line {ok,DIP} = inet:getaddr(DIP, inet), + {ok,IP} = inet:getaddr(list_to_atom(Name), inet), + {ok,IP} = inet:getaddr(Name, inet), + {ok,IP} = inet:getaddr(FullName, inet), + {ok,IP} = inet:getaddr(IP, inet), + {ok,IP} = inet:getaddr(IPStr, inet), + {error,nxdomain} = inet:getaddr(IP_46_Str, inet), + {error,eafnosupport} = inet:getaddr(IP46, inet), + + {DName, DFullName, DIPStr, DIP, _, _, _} = ct:get_config(test_dummy_host), + {error,nxdomain} = inet:getaddr(DName, inet), + {error,nxdomain} = inet:getaddr(DFullName, inet), + {ok,DIP} = inet:getaddr(DIPStr, inet), + {ok,DIP} = inet:getaddr(DIP, inet), ok. t_getaddr_v6() -> required(v4) ++ required(v6). -t_getaddr_v6(doc) -> "Test the inet:getaddr/2 function."; -t_getaddr_v6(suite) -> []; +%% Test the inet:getaddr/2 function. t_getaddr_v6(Config) when is_list(Config) -> {Name,FullName,IPStr,IP,_} = ct:get_config(test_host_ipv6_only), @@ -317,16 +337,15 @@ t_getaddr_v6(Config) when is_list(Config) -> end. ipv4_to_ipv6() -> required(v4). -ipv4_to_ipv6(doc) -> "Test if IPv4 address is converted to IPv6 address."; -ipv4_to_ipv6(suite) -> []; +%% Test if IPv4 address is converted to IPv6 address. ipv4_to_ipv6(Config) when is_list(Config) -> %% Test what happens if an IPv4 address is looked up in an IPv6 context. %% If the native resolver succeeds to look it up, an IPv4 compatible %% address should be returned. If no IPv6 support on this host, an %% error should beturned. - ?line {_Name,_FullName,IPStr,_IP,Aliases,IP_46_Str,IP_46} = + {_Name,_FullName,IPStr,_IP,Aliases,IP_46_Str,IP_46} = ct:get_config(test_host_ipv4_only), - ?line IP4to6Res = + IP4to6Res = case inet:getaddr(IPStr, inet6) of {ok,IP_46} -> io:format("IPv4->IPv6: success~n"), @@ -338,36 +357,34 @@ ipv4_to_ipv6(Config) when is_list(Config) -> io:format("IPv6->IPv4: eafnosupport~n"), E; Other -> - ?line ?t:fail({ipv4_to_ipv6_lookup_failed,Other}) + ct:fail({ipv4_to_ipv6_lookup_failed,Other}) end, - ?line case {IP4to6Res,inet:gethostbyname(IPStr, inet6)} of - {true,{ok,HEnt}} -> - ?line HEnt_ = HEnt#hostent{h_addrtype = inet6, - h_length = 16, - h_addr_list = [IP_46]}, - ?line HEnt_ = HEnt, - ?line check_elems([{HEnt#hostent.h_name,[IP_46_Str,IPStr]}, - {HEnt#hostent.h_aliases,[[],Aliases]}]); - {_,IP4to6Res} -> ok - end, + case {IP4to6Res,inet:gethostbyname(IPStr, inet6)} of + {true,{ok,HEnt}} -> + HEnt_ = HEnt#hostent{h_addrtype = inet6, + h_length = 16, + h_addr_list = [IP_46]}, + HEnt_ = HEnt, + check_elems([{HEnt#hostent.h_name,[IP_46_Str,IPStr]}, + {HEnt#hostent.h_aliases,[[],Aliases,tl(Aliases)]}]); + {_,IP4to6Res} -> ok + end, ok. -host_and_addr() -> required(hosts). -host_and_addr(doc) -> ["Test looking up hosts and addresses. Use 'ypcat hosts' ", - "or the local eqivalent to find all hosts."]; -host_and_addr(suite) -> []; -host_and_addr(Config) when is_list(Config) -> - ?line Dog = test_server:timetrap(test_server:minutes(5)), +host_and_addr() -> + [{timetrap,{minutes,5}}|required(hosts)]. - ?line lists:foreach(fun try_host/1, get_hosts(Config)), - ?line test_server:timetrap_cancel(Dog), +%% Test looking up hosts and addresses. Use 'ypcat hosts' +%% or the local eqivalent to find all hosts. +host_and_addr(Config) when is_list(Config) -> + lists:foreach(fun try_host/1, get_hosts(Config)), ok. try_host({Ip0, Host}) -> - ?line {ok,Ip} = inet:getaddr(Ip0, inet), - ?line {ok,{hostent, _, _, inet, _, Ips1}} = inet:gethostbyaddr(Ip), - ?line {ok,{hostent, _, _, inet, _, _Ips2}} = inet:gethostbyname(Host), - ?line true = lists:member(Ip, Ips1), + {ok,Ip} = inet:getaddr(Ip0, inet), + {ok,{hostent, _, _, inet, _, Ips1}} = inet:gethostbyaddr(Ip), + {ok,{hostent, _, _, inet, _, _Ips2}} = inet:gethostbyname(Host), + true = lists:member(Ip, Ips1), ok. %% Get all hosts from the system using 'ypcat hosts' or the local @@ -414,18 +431,18 @@ get_hosts([C|Rest], Cur, Ip, Result) -> get_hosts(Rest, [C|Cur], Ip, Result); get_hosts([], _, _, Result) -> Result. - + parse_hosts(Config) when is_list(Config) -> - ?line DataDir = ?config(data_dir,Config), - ?line HostFile = filename:join(DataDir, "hosts"), - ?line inet_parse:hosts(HostFile), - ?line HostFileErr1 = filename:join(DataDir, "hosts_err1"), - ?line inet_parse:hosts(HostFileErr1), - ?line Resolv = filename:join(DataDir,"resolv.conf"), - ?line inet_parse:resolv(Resolv), - ?line ResolvErr1 = filename:join(DataDir,"resolv.conf.err1"), - ?line inet_parse:resolv(ResolvErr1). + DataDir = proplists:get_value(data_dir,Config), + HostFile = filename:join(DataDir, "hosts"), + inet_parse:hosts(HostFile), + HostFileErr1 = filename:join(DataDir, "hosts_err1"), + inet_parse:hosts(HostFileErr1), + Resolv = filename:join(DataDir,"resolv.conf"), + inet_parse:resolv(Resolv), + ResolvErr1 = filename:join(DataDir,"resolv.conf.err1"), + inet_parse:resolv(ResolvErr1). parse_address(Config) when is_list(Config) -> V4Strict = @@ -497,10 +514,10 @@ parse_address(Config) when is_list(Config) -> {{0,0,0,0,0,65535,258,65534},"::FFFF:1.2.255.254"}, {{16#ffff,16#ffff,16#ffff,16#ffff,16#ffff,16#ffff,16#ffff,16#ffff}, "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"} - |[{{D2,0,0,0,0,P,(D1 bsl 8) bor D2,(D3 bsl 8) bor D4}, - erlang:integer_to_list(D2, 16)++"::"++Q++S} - || {{D1,D2,D3,D4},S} <- V4Strict, - {P,Q} <- [{0,""},{16#17,"17:"},{16#ff0,"0ff0:"}]]], + |[{{D2,0,0,0,0,P,(D1 bsl 8) bor D2,(D3 bsl 8) bor D4}, + erlang:integer_to_list(D2, 16)++"::"++Q++S} + || {{D1,D2,D3,D4},S} <- V4Strict, + {P,Q} <- [{0,""},{16#17,"17:"},{16#ff0,"0ff0:"}]]], V4Sloppy = [{{10,1,16#98,16#76},"10.0x019876"}, {{8#12,1,8#130,8#321},"012.01.054321"}, @@ -547,8 +564,11 @@ parse_address(Config) when is_list(Config) -> "::-1", "::g", "f:f11::10100:2", + "f:f11::01100:2", "::17000", + "::01700", "10000::", + "01000::", "::8:7:6:5:4:3:2:1", "8:7:6:5:4:3:2:1::", "8:7:6:5:4::3:2:1", @@ -597,42 +617,37 @@ parse_strict_address(Config) when is_list(Config) -> {ok, {3089,3106,23603,50240,0,0,119,136}} = inet:parse_strict_address("c11:0c22:5c33:c440::077:0088"). -t_gethostnative(suite) ->[]; -t_gethostnative(doc) ->[]; t_gethostnative(Config) when is_list(Config) -> -%% this will result in 26 bytes sent which causes problem in Windows -%% if the port-program has not assured stdin to be read in BINARY mode -%% OTP-2555 - ?line case inet_gethost_native:gethostbyname( - "a23456789012345678901234") of + %% this will result in 26 bytes sent which causes problem in Windows + %% if the port-program has not assured stdin to be read in BINARY mode + %% OTP-2555 + case inet_gethost_native:gethostbyname( + "a23456789012345678901234") of {error,notfound} -> - ?line ok; + ok; {error,no_data} -> - ?line ok + ok end. -gethostnative_parallell(suite) -> - []; -gethostnative_parallell(doc) -> - ["Check that the emulator survives crashes in gethost_native"]; +%% Check that the emulator survives crashes in gethost_native. gethostnative_parallell(Config) when is_list(Config) -> - ?line {ok,Hostname} = inet:gethostname(), - ?line {ok,_} = inet:gethostbyname(Hostname), + {ok,Hostname} = inet:gethostname(), + {ok,_} = inet:gethostbyname(Hostname), case whereis(inet_gethost_native) of Pid when is_pid(Pid) -> - ?line do_gethostnative_parallell(); + do_gethostnative_parallell(); _ -> - ?line {skipped, "Not running native gethostbyname"} + {skipped, "Not running native gethostbyname"} end. do_gethostnative_parallell() -> - ?line PA = filename:dirname(code:which(?MODULE)), - ?line {ok,Node} = ?t:start_node(gethost_parallell, slave, - [{args, "-pa " ++ PA}]), - ?line ok = rpc:call(Node, ?MODULE, parallell_gethost, []), - ?line receive after 10000 -> ok end, - ?line pong = net_adm:ping(Node), - ?line ?t:stop_node(Node), + PA = filename:dirname(code:which(?MODULE)), + {ok,Node} = test_server:start_node(gethost_parallell, slave, + [{args, "-pa " ++ PA}]), + ok = rpc:call(Node, ?MODULE, parallell_gethost, []), + receive after 10000 -> ok end, + pong = net_adm:ping(Node), + test_server:stop_node(Node), ok. parallell_gethost() -> @@ -725,7 +740,7 @@ wait_for_gethost(N) -> %% This is what I call an exit tuple :) exit({inet,gethostbyname, returned, Otherwise, 'when', 'N','=',N,'and','hostname','=',Hostname,'and', - kill_gethost_n,'=',get(kill_gethost_n)}) + kill_gethost_n,'=',get(kill_gethost_n)}) end, case whereis(inet_gethost_native) of Pid when is_pid(Pid) -> @@ -737,23 +752,20 @@ wait_for_gethost(N) -> end, wait_for_gethost(N-1) end. - -cname_loop(suite) -> - []; -cname_loop(doc) -> - ["Check that the resolver handles a CNAME loop"]; + +%% Check that the resolver handles a CNAME loop. cname_loop(Config) when is_list(Config) -> %% getbyname (hostent_by_domain) - ?line ok = inet_db:add_rr("mydomain.com", in, ?S_CNAME, ttl, "mydomain.com"), - ?line {error,nxdomain} = inet_db:getbyname("mydomain.com", ?S_A), - ?line ok = inet_db:del_rr("mydomain.com", in, ?S_CNAME, "mydomain.com"), + ok = inet_db:add_rr("mydomain.com", in, ?S_CNAME, ttl, "mydomain.com"), + {error,nxdomain} = inet_db:getbyname("mydomain.com", ?S_A), + ok = inet_db:del_rr("mydomain.com", in, ?S_CNAME, "mydomain.com"), %% res_hostent_by_domain RR = #dns_rr{domain = "mydomain.com", class = in, type = ?S_CNAME, data = "mydomain.com"}, Rec = #dns_rec{anlist = [RR]}, - ?line {error,nxdomain} = inet_db:res_hostent_by_domain("mydomain.com", ?S_A, Rec), + {error,nxdomain} = inet_db:res_hostent_by_domain("mydomain.com", ?S_A, Rec), ok. @@ -768,80 +780,75 @@ cname_loop(Config) when is_list(Config) -> lookup_processes=20}). gethostnative_soft_restart() -> required(hosts). -gethostnative_soft_restart(suite) -> - []; -gethostnative_soft_restart(doc) -> - ["Check that no name lookups fails during soft restart " - "of inet_gethost_native"]; + +%% Check that no name lookups fails during soft restart +%% of inet_gethost_native. gethostnative_soft_restart(Config) when is_list(Config) -> - ?line gethostnative_control(Config, - #gethostnative_control{ - control_seq=[soft_restart]}). + gethostnative_control(Config, + #gethostnative_control{ + control_seq=[soft_restart]}). gethostnative_debug_level() -> required(hosts). -gethostnative_debug_level(suite) -> - []; -gethostnative_debug_level(doc) -> - ["Check that no name lookups fails during debug level change " - "of inet_gethost_native"]; + +%% Check that no name lookups fails during debug level change +%% of inet_gethost_native. gethostnative_debug_level(Config) when is_list(Config) -> - ?line gethostnative_control(Config, - #gethostnative_control{ - control_seq=[{debug_level,1}, - {debug_level,0}]}). + gethostnative_control(Config, + #gethostnative_control{ + control_seq=[{debug_level,1}, + {debug_level,0}]}). gethostnative_control(Config, Optrec) -> - ?line case inet_db:res_option(lookup) of - [native] -> - case whereis(inet_gethost_native) of - Pid when is_pid(Pid) -> - ?line gethostnative_control_1(Config, Optrec); - _ -> - ?line {skipped, "Not running native gethostbyname"} - end; - _ -> - ?line {skipped, "Native not only lookup metod"} - end. + case inet_db:res_option(lookup) of + [native] -> + case whereis(inet_gethost_native) of + Pid when is_pid(Pid) -> + gethostnative_control_1(Config, Optrec); + _ -> + {skipped, "Not running native gethostbyname"} + end; + _ -> + {skipped, "Native not only lookup metod"} + end. gethostnative_control_1(Config, #gethostnative_control{ - control_seq=Seq, - control_interval=Interval, - lookup_delay=Delay, - lookup_count=Cnt, - lookup_processes=N}) -> - ?line {ok, Hostname} = inet:gethostname(), - ?line {ok, _} = inet:gethostbyname(Hostname), - ?line Hosts = + control_seq=Seq, + control_interval=Interval, + lookup_delay=Delay, + lookup_count=Cnt, + lookup_processes=N}) -> + {ok, Hostname} = inet:gethostname(), + {ok, _} = inet:gethostbyname(Hostname), + Hosts = [Hostname|[H || {_,H} <- get_hosts(Config)] ++[H++D || H <- ["www.","www1.","www2.",""], D <- ["erlang.org","erlang.se"]] ++[H++"cslab.ericsson.net" || H <- ["morgoth.","hades.","styx."]]], %% Spawn some processes to do parallel lookups while %% I repeatedly do inet_gethost_native:control/1. - ?line TrapExit = process_flag(trap_exit, true), - ?line gethostnative_control_2([undefined], Interval, Delay, Cnt, N, Hosts), - ?line test_server:format( - "First intermission: now starting control sequence ~w\n", - [Seq]), - ?line erlang:display(first_intermission), - ?line gethostnative_control_2(Seq, Interval, Delay, Cnt, N, Hosts), - ?line erlang:display(second_intermission), - ?line test_server:format( - "Second intermission: now stopping control sequence ~w\n", - [Seq]), - ?line gethostnative_control_2([undefined], Interval, Delay, Cnt, N, Hosts), - ?line true = process_flag(trap_exit, TrapExit), - ?line ok. + TrapExit = process_flag(trap_exit, true), + gethostnative_control_2([undefined], Interval, Delay, Cnt, N, Hosts), + io:format( + "First intermission: now starting control sequence ~w\n", + [Seq]), + erlang:display(first_intermission), + gethostnative_control_2(Seq, Interval, Delay, Cnt, N, Hosts), + erlang:display(second_intermission), + io:format( + "Second intermission: now stopping control sequence ~w\n", + [Seq]), + gethostnative_control_2([undefined], Interval, Delay, Cnt, N, Hosts), + true = process_flag(trap_exit, TrapExit), + ok. gethostnative_control_2(Seq, Interval, Delay, Cnt, N, Hosts) -> - ?line Tag = make_ref(), - ?line Parent = self(), - ?line Lookupers = + Tag = make_ref(), + Parent = self(), + Lookupers = [spawn_link( fun () -> - random:seed(), lookup_loop(Hosts, Delay, Tag, Parent, Cnt, Hosts) end) || _ <- lists:seq(1, N)], @@ -851,7 +858,7 @@ gethostnative_control_2(Seq, Interval, Delay, Cnt, N, Hosts) -> gethostnative_control_3(Tag, Reason) -> receive {Tag,Error} -> - ?line gethostnative_control_3(Tag, Error) + gethostnative_control_3(Tag, Error) after 0 -> Reason end. @@ -866,27 +873,26 @@ control_loop([Op|Ops], Interval, Tag, Lookupers, Seq) -> Seq). control_loop_1(Op, Interval, Tag, Lookupers) -> - ?line - receive - {'EXIT',Pid,Reason} -> - ?line case Reason of - Tag -> % Done - ?line control_loop_1 - (Op, Interval, Tag, - lists:delete(Pid, Lookupers)); - _ -> - ?line io:format("Lookuper ~p died: ~p", - [Pid,Reason]), - ?line test_server:fail("Lookuper died") - end - after Interval -> - ?line if Op =/= undefined -> - ?line ok = inet_gethost_native:control(Op); - true -> - ?line ok - end, - ?line Lookupers - end. + receive + {'EXIT',Pid,Reason} -> + case Reason of + Tag -> % Done + control_loop_1 + (Op, Interval, Tag, + lists:delete(Pid, Lookupers)); + _ -> + io:format("Lookuper ~p died: ~p", + [Pid,Reason]), + ct:fail("Lookuper died") + end + after Interval -> + if Op =/= undefined -> + ok = inet_gethost_native:control(Op); + true -> + ok + end, + Lookupers + end. lookup_loop(_, _Delay, Tag, _Parent, 0, _Hosts) -> exit(Tag); @@ -897,35 +903,42 @@ lookup_loop([H|Hs], Delay, Tag, Parent, Cnt, Hosts) -> {ok,_Hent} -> ok; {error,nxdomain} -> ok; Error -> - ?line io:format("Name lookup error for ~p for ~p: ~p", - [self(),H,Error]), + io:format("Name lookup error for ~p for ~p: ~p", + [self(),H,Error]), Parent ! {Tag,Error} end, receive - after random:uniform(Delay) -> + after rand:uniform(Delay) -> lookup_loop(Hs, Delay, Tag, Parent, Cnt-1, Hosts) end. -getif(suite) -> - []; -getif(doc) -> - ["Tests basic functionality of getiflist, getif, and ifget"]; +%% Test lookup with erroneously configured lookup option (OTP-12133). +lookup_bad_search_option(Config) when is_list(Config) -> + %% Manipulation of resolver config is done in init_per_testcase + %% and end_per_testcase to ensure cleanup. + {ok,Hostname} = inet:gethostname(), + {ok,_Hent} = inet:gethostbyname(Hostname), % Will hang loop for this bug + ok. + + + +%% 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. + case os:type() of + {unix,Osname} -> + 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 = + {ok,Hostname} = inet:gethostname(), + {ok,Address} = inet:getaddr(Hostname, inet), + {ok,Loopback} = inet:getaddr("localhost", inet), + {ok,Interfaces} = inet:getiflist(), + HWAs = lists:sort( lists:foldl( fun (I, Acc) -> @@ -934,10 +947,10 @@ do_getif(Osname) -> {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 = + io:format("HWAs = ~p~n", [HWAs]), + (Osname =/= sunos) + andalso ((length(HWAs) > 0) orelse (ct:fail(no_HWAs))), + Addresses = lists:sort( lists:foldl( fun (I, Acc) -> @@ -946,139 +959,147 @@ do_getif(Osname) -> {ok,[]} -> Acc end end, [], Interfaces)), - ?line {ok,Getif} = inet:getif(), - ?line Addresses = lists:sort([A || {A,_,_} <- Getif]), - ?line true = ip_member(Address, Addresses), - ?line true = ip_member(Loopback, Addresses), - ?line ok. - -getif_ifr_name_overflow(doc) -> - "Test long interface names do not overrun buffer"; + {ok,Getif} = inet:getif(), + Addresses = lists:sort([A || {A,_,_} <- Getif]), + true = ip_member(Address, Addresses), + true = ip_member(Loopback, Addresses), + ok. + +%% 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. + case os:type() of + {unix,Osname} -> + 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,[]} = inet:ifget(lists:duplicate(128, "x"), [addr]), ok. -getservbyname_overflow(doc) -> - "Test long service names do not overrun buffer"; +%% 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), + {error,einval} = inet:getservbyname(list_to_atom(lists:flatten(lists:duplicate(128, "x"))), tcp), ok. -getifaddrs(doc) -> - "Test inet:gifaddrs/0"; +%% 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 = + {ok,IfAddrs} = inet:getifaddrs(), + io:format("IfAddrs = ~p.~n", [IfAddrs]), + case + {os:type(), + [If || + {If,Opts} <- IfAddrs, + lists:keymember(hwaddr, 1, Opts)]} of + {{unix,sunos},[]} -> ok; + {OT,[]} -> + ct:fail({should_have_hwaddr,OT}); + _ -> ok + end, + Addrs = [element(1, A) || A <- ifaddrs(IfAddrs)], - ?line ?t:format("Addrs = ~p.~n", [Addrs]), - ?line [check_addr(Addr) || Addr <- Addrs], + io:format("Addrs = ~p.~n", [Addrs]), + [check_addr(Addr) || Addr <- Addrs], ok. -check_addr(Addr) +check_addr({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]), + io: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. +check_addr({addr,Addr}) -> + io:format("Addr: ~p.~n", [Addr]), + Ping = "ping", + Pong = "pong", + {ok,L} = gen_tcp:listen(0, [{ip,Addr},{active,false}]), + {ok,P} = inet:port(L), + {ok,S1} = gen_tcp:connect(Addr, P, [{active,false}]), + {ok,S2} = gen_tcp:accept(L), + ok = gen_tcp:send(S2, Ping), + {ok,Ping} = gen_tcp:recv(S1, length(Ping)), + ok = gen_tcp:send(S1, Pong), + ok = gen_tcp:close(S1), + {ok,Pong} = gen_tcp:recv(S2, length(Pong)), + ok = gen_tcp:close(S2), + ok = gen_tcp:close(L). -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{flags=F} = Ifopts = check_ifopts(Opts, #ifopts{name=If}), + case F of + {flags,Flags} -> + case lists:member(up, Flags) of + true -> Ifopts#ifopts.addrs; - false -> - [] - end++ifaddrs(IOs). + false -> + [] + end ++ ifaddrs(IOs); + undefined -> + ifaddrs(IOs) + end. -check_ifopts([], #ifopts{name=If,flags=Flags,addrs=Raddrs}=Ifopts) -> +check_ifopts([], #ifopts{flags=F,addrs=Raddrs}=Ifopts) -> Addrs = lists:reverse(Raddrs), R = Ifopts#ifopts{addrs=Addrs}, - ?t:format("~p.~n", [R]), + io:format("~p.~n", [R]), %% See how we did... - if is_list(Flags) -> ok; - true -> - ?t:fail({flags_undefined,If}) - end, + {flags,Flags} = F, case lists:member(broadcast, Flags) of true -> [case A of - {_,_,_} -> A; - {T,_} when tuple_size(T) =:= 8 -> A; - _ -> - ?t:fail({broaddr_missing,If,A}) + {{addr,_},{netmask,_},{broadaddr,_}} -> + A; + {{addr,T},{netmask,_}} when tuple_size(T) =:= 8 -> + A end || A <- Addrs]; false -> - [case A of {_,_} -> A; - _ -> - ?t:fail({should_have_netmask,If,A}) - end || A <- Addrs] + case lists:member(pointtopoint, Flags) of + true -> + [case A of + {{addr,_},{netmask,_},{dstaddr,_}} -> + A + end || A <- Addrs]; + false -> + [case A of + {{addr,_},{netmask,_}} -> + A + end || A <- Addrs] + end 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 +check_ifopts([{flags,_}=F|Opts], #ifopts{flags=undefined}=Ifopts) -> + check_ifopts(Opts, Ifopts#ifopts{flags=F}); +check_ifopts([{flags,_}=F|Opts], #ifopts{flags=Flags}=Ifopts) -> + case F of Flags -> - check_ifopts(Opts, Ifopts#ifopts{}); + check_ifopts(Opts, Ifopts); _ -> - ?t:fail({multiple_flags,Fs,Ifopts}) + ct:fail({multiple_flags,F,Ifopts}) end; check_ifopts( - [{addr,Addr},{netmask,Netmask},{broadaddr,Broadaddr}|Opts], + [{addr,_}=A,{netmask,_}=N,{dstaddr,_}=D|Opts], + #ifopts{addrs=Addrs}=Ifopts) -> + check_ifopts(Opts, Ifopts#ifopts{addrs=[{A,N,D}|Addrs]}); +check_ifopts( + [{addr,_}=A,{netmask,_}=N,{broadaddr,_}=B|Opts], #ifopts{addrs=Addrs}=Ifopts) -> - check_ifopts(Opts, Ifopts#ifopts{addrs=[{Addr,Netmask,Broadaddr}|Addrs]}); + check_ifopts(Opts, Ifopts#ifopts{addrs=[{A,N,B}|Addrs]}); check_ifopts( - [{addr,Addr},{netmask,Netmask}|Opts], + [{addr,_}=A,{netmask,_}=N|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) + check_ifopts(Opts, Ifopts#ifopts{addrs=[{A,N}|Addrs]}); +check_ifopts([{addr,_}=A|Opts], #ifopts{addrs=Addrs}=Ifopts) -> + check_ifopts(Opts, Ifopts#ifopts{addrs=[{A}|Addrs]}); +check_ifopts([{hwaddr,Hwaddr}=H|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}). + check_ifopts(Opts, Ifopts#ifopts{hwaddr=H}); +check_ifopts([{hwaddr,_}=H|_], #ifopts{}=Ifopts) -> + ct:fail({multiple_hwaddrs,H,Ifopts}). %% Works just like lists:member/2, except that any {127,_,_,_} tuple %% matches any other {127,_,_,_}. We do this to handle Linux systems @@ -1099,3 +1120,130 @@ toupper([C|Cs]) when is_integer(C) -> end; toupper([]) -> []. + + +simple_netns(Config) when is_list(Config) -> + {ok,U} = gen_udp:open(0), + case inet:setopts(U, [{netns,""}]) of + ok -> + jog_netns_opt(U), + ok = gen_udp:close(U), + %% + {ok,L} = gen_tcp:listen(0, []), + jog_netns_opt(L), + ok = gen_tcp:close(L), + %% + case gen_sctp:open() of + {ok,S} -> + jog_netns_opt(S), + ok = gen_sctp:close(S); + {error,eprotonosupport} -> + ok + end; + {error,einval} -> + {skip,"setns() not supported"} + end. + +jog_netns_opt(S) -> + %% This is just jogging the option mechanics + ok = inet:setopts(S, [{netns,""}]), + {ok,[{netns,""}]} = inet:getopts(S, [netns]), + ok = inet:setopts(S, [{netns,"/proc/self/ns/net"}]), + {ok,[{netns,"/proc/self/ns/net"}]} = inet:getopts(S, [netns]), + ok. + + +%% Smoke test netns support. +simple_netns_open(Config) when is_list(Config) -> + %% Note: {error,enoent} will be returned if the run-time executable + %% has support for netns, but /proc/self/ns/net is missing. + case gen_udp:open(0, [binary,{netns,"/"},inet]) of + {ok,U} -> + ok = gen_udp:close(U); + {error,E1} when E1 =:= einval; E1 =:= eperm; E1 =:= enoent -> + ok + end, + case gen_tcp:listen(0, [binary,{netns,"/"},inet]) of + {ok,T} -> + ok = gen_tcp:close(T); + {error,E2} when E2 =:= einval; E2 =:= eperm; E2 =:= enoent -> + ok + end, + try gen_sctp:open(0, [binary,{netns,"/"},inet]) of + {ok,S} -> + ok = gen_sctp:close(S); + {error,E3} + when E3 =:= einval; E3 =:= eperm; + E3 =:= enoent; E3 =:= eprotonosupport -> + ok + catch + error:badarg -> + %% Some older platforms does not allow netns for sctp + ok + end. + + +%% Manual test to be run outside test_server in an emulator +%% started by root, in a machine with setns() support... +test_netns() -> + DefaultIF = v1, + DefaultIP = {192,168,1,17}, + Namespace = "test", + NamespaceIF = v2, + NamespaceIP = {192,168,1,18}, + %% + DefaultIPString = inet_parse:ntoa(DefaultIP), + NamespaceIPString = inet_parse:ntoa(NamespaceIP), + cmd("ip netns add ~s", + [Namespace]), + cmd("ip link add name ~w type veth peer name ~w netns ~s", + [DefaultIF,NamespaceIF,Namespace]), + cmd("ip netns exec ~s ip addr add ~s/30 dev ~w", + [Namespace,NamespaceIPString,NamespaceIF]), + cmd("ip netns exec ~s ip link set ~w up", + [Namespace,NamespaceIF]), + cmd("ip addr add ~s/30 dev ~w", + [DefaultIPString,DefaultIF]), + cmd("ip link set ~w up", + [DefaultIF]), + try test_netns( + {DefaultIF,DefaultIP}, + filename:join("/var/run/netns/", Namespace), + {NamespaceIF,NamespaceIP}) of + Result -> + io:put_chars(["#### Test done",io_lib:nl()]), + Result + after + cmd("ip link delete ~w type veth", + [DefaultIF]), + cmd("ip netns delete ~s", + [Namespace]) + end. + +test_netns({DefaultIF,DefaultIP}, Namespace, {NamespaceIF,NamespaceIP}) -> + {ok,ListenSocket} = gen_tcp:listen(0, [{active,false}]), + {ok,[{addr,DefaultIP}]} = inet:ifget(ListenSocket, DefaultIF, [addr]), + {ok,ListenPort} = inet:port(ListenSocket), + {ok,ConnectSocket} = + gen_tcp:connect( + DefaultIP, ListenPort, [{active,false},{netns,Namespace}], 3000), + {ok,[{addr,NamespaceIP}]} = inet:ifget(ConnectSocket, NamespaceIF, [addr]), + {ok,ConnectPort} = inet:port(ConnectSocket), + {ok,AcceptSocket} = gen_tcp:accept(ListenSocket, 0), + {ok,AcceptPort} = inet:port(AcceptSocket), + {ok,{NamespaceIP,ConnectPort}} = inet:peername(AcceptSocket), + {ok,{DefaultIP,AcceptPort}} = inet:peername(ConnectSocket), + ok = gen_tcp:send(ConnectSocket, "data"), + ok = gen_tcp:close(ConnectSocket), + {ok,"data"} = gen_tcp:recv(AcceptSocket, 4, 1000), + {error,closed} = gen_tcp:recv(AcceptSocket, 1, 1000), + ok = gen_tcp:close(AcceptSocket), + ok = gen_tcp:close(ListenSocket). + +cmd(Cmd, Args) -> + cmd(io_lib:format(Cmd, Args)). +%% +cmd(CmdString) -> + io:put_chars(["# ",CmdString,io_lib:nl()]), + io:put_chars([os:cmd(CmdString++" ; echo ' =>' $?")]), + ok. |