diff options
Diffstat (limited to 'lib/kernel/src/inet.erl')
-rw-r--r-- | lib/kernel/src/inet.erl | 119 |
1 files changed, 100 insertions, 19 deletions
diff --git a/lib/kernel/src/inet.erl b/lib/kernel/src/inet.erl index e791bb135f..9670271b2e 100644 --- a/lib/kernel/src/inet.erl +++ b/lib/kernel/src/inet.erl @@ -30,7 +30,9 @@ ifget/3, ifget/2, ifset/3, ifset/2, getstat/1, getstat/2, ip/1, stats/0, options/0, - pushf/3, popf/1, close/1, gethostname/0, gethostname/1]). + pushf/3, popf/1, close/1, gethostname/0, gethostname/1, + parse_ipv4_address/1, parse_ipv6_address/1, parse_ipv4strict_address/1, + parse_ipv6strict_address/1, parse_address/1, parse_strict_address/1]). -export([connect_options/2, listen_options/2, udp_options/2, sctp_options/2]). @@ -527,16 +529,58 @@ getservbyname(Name, Protocol) when is_atom(Name) -> Error -> Error end. +-spec parse_ipv4_address(Address) -> + {ok, IPv4Address} | {error, einval} when + Address :: string(), + IPv4Address :: ip_address(). +parse_ipv4_address(Addr) -> + inet_parse:ipv4_address(Addr). + +-spec parse_ipv6_address(Address) -> + {ok, IPv6Address} | {error, einval} when + Address :: string(), + IPv6Address :: ip_address(). +parse_ipv6_address(Addr) -> + inet_parse:ipv6_address(Addr). + +-spec parse_ipv4strict_address(Address) -> + {ok, IPv4Address} | {error, einval} when + Address :: string(), + IPv4Address :: ip_address(). +parse_ipv4strict_address(Addr) -> + inet_parse:ipv4strict_address(Addr). + +-spec parse_ipv6strict_address(Address) -> + {ok, IPv6Address} | {error, einval} when + Address :: string(), + IPv6Address :: ip_address(). +parse_ipv6strict_address(Addr) -> + inet_parse:ipv6strict_address(Addr). + +-spec parse_address(Address) -> + {ok, IPAddress} | {error, einval} when + Address :: string(), + IPAddress :: ip_address(). +parse_address(Addr) -> + inet_parse:address(Addr). + +-spec parse_strict_address(Address) -> + {ok, IPAddress} | {error, einval} when + Address :: string(), + IPAddress :: ip_address(). +parse_strict_address(Addr) -> + inet_parse:strict_address(Addr). + %% Return a list of available options options() -> [ tos, priority, reuseaddr, keepalive, dontroute, linger, - broadcast, sndbuf, recbuf, nodelay, + broadcast, sndbuf, recbuf, nodelay, ipv6_v6only, buffer, header, active, packet, deliver, mode, multicast_if, multicast_ttl, multicast_loop, exit_on_close, high_watermark, low_watermark, high_msgq_watermark, low_msgq_watermark, - bit8, send_timeout, send_timeout_close + send_timeout, send_timeout_close ]. %% Return a list of statistics options @@ -554,8 +598,7 @@ connect_options() -> [tos, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, header, active, packet, packet_size, buffer, mode, deliver, exit_on_close, high_watermark, low_watermark, high_msgq_watermark, - low_msgq_watermark, bit8, send_timeout, send_timeout_close, - delay_send,raw]. + low_msgq_watermark, send_timeout, send_timeout_close, delay_send, raw]. connect_options(Opts, Family) -> BaseOpts = @@ -609,10 +652,10 @@ con_add(Name, Val, R, Opts, AllOpts) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% listen_options() -> [tos, priority, reuseaddr, keepalive, linger, sndbuf, recbuf, nodelay, - header, active, packet, buffer, mode, deliver, backlog, + header, active, packet, buffer, mode, deliver, backlog, ipv6_v6only, exit_on_close, high_watermark, low_watermark, high_msgq_watermark, - low_msgq_watermark, bit8, send_timeout, send_timeout_close, - delay_send, packet_size,raw]. + low_msgq_watermark, send_timeout, send_timeout_close, delay_send, + packet_size, raw]. listen_options(Opts, Family) -> BaseOpts = @@ -667,7 +710,7 @@ list_add(Name, Val, R, Opts, As) -> %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% udp_options() -> [tos, priority, reuseaddr, sndbuf, recbuf, header, active, buffer, mode, - deliver, + deliver, ipv6_v6only, broadcast, dontroute, multicast_if, multicast_ttl, multicast_loop, add_membership, drop_membership, read_packets,raw]. @@ -723,7 +766,7 @@ udp_add(Name, Val, R, Opts, As) -> sctp_options() -> [ % The following are generic inet options supported for SCTP sockets: mode, active, buffer, tos, priority, dontroute, reuseaddr, linger, sndbuf, - recbuf, + recbuf, ipv6_v6only, % Other options are SCTP-specific (though they may be similar to their % TCP and UDP counter-parts): @@ -766,8 +809,12 @@ sctp_opt([Opt|Opts], Mod, R, As) -> {Name,Val} -> sctp_opt (Opts, Mod, R, As, Name, Val); _ -> {error,badarg} end; -sctp_opt([], _Mod, R, _SockOpts) -> - {ok, R}. +sctp_opt([], _Mod, #sctp_opts{ifaddr=IfAddr}=R, _SockOpts) -> + if is_list(IfAddr) -> + {ok, R#sctp_opts{ifaddr=lists:reverse(IfAddr)}}; + true -> + {ok, R} + end. sctp_opt(Opts, Mod, R, As, Name, Val) -> case add_opt(Name, Val, R#sctp_opts.opts, As) of @@ -1018,11 +1065,7 @@ open(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) when Fd < 0 -> case prim_inet:setopts(S, Opts) of ok -> case if is_list(Addr) -> - prim_inet:bind(S, add, - [case A of - {_,_} -> A; - _ -> {A,Port} - end || A <- Addr]); + bindx(S, Addr, Port); true -> prim_inet:bind(S, Addr, Port) end of @@ -1043,6 +1086,34 @@ open(Fd, Addr, Port, Opts, Protocol, Family, Type, Module) when Fd < 0 -> open(Fd, _Addr, _Port, Opts, Protocol, Family, Type, Module) -> fdopen(Fd, Opts, Protocol, Family, Type, Module). +bindx(S, [Addr], Port0) -> + {IP, Port} = set_bindx_port(Addr, Port0), + prim_inet:bind(S, IP, Port); +bindx(S, Addrs, Port0) -> + [{IP, Port} | Rest] = [set_bindx_port(Addr, Port0) || Addr <- Addrs], + case prim_inet:bind(S, IP, Port) of + {ok, AssignedPort} when Port =:= 0 -> + %% On newer Linux kernels, Solaris and FreeBSD, calling + %% bindx with port 0 is ok, but on SuSE 10, it results in einval + Rest2 = [change_bindx_0_port(Addr, AssignedPort) || Addr <- Rest], + prim_inet:bind(S, add, Rest2); + {ok, _} -> + prim_inet:bind(S, add, Rest); + Error -> + Error + end. + +set_bindx_port({_IP, _Port}=Addr, _OtherPort) -> + Addr; +set_bindx_port(IP, Port) -> + {IP, Port}. + +change_bindx_0_port({IP, 0}, AssignedPort) -> + {IP, AssignedPort}; +change_bindx_0_port({_IP, _Port}=Addr, _AssignedPort) -> + Addr. + + -spec fdopen(Fd :: non_neg_integer(), Opts :: [socket_setopt()], Protocol :: socket_protocol(), @@ -1249,6 +1320,8 @@ udp_close(S) when is_port(S) -> %% Set controlling process for TCP socket. tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> case erlang:port_info(S, connected) of + {connected, NewOwner} -> + ok; {connected, Pid} when Pid =/= self() -> {error, not_owner}; undefined -> @@ -1256,7 +1329,10 @@ tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> _ -> case prim_inet:getopt(S, active) of {ok, A0} -> - prim_inet:setopt(S, active, false), + case A0 of + false -> ok; + _ -> prim_inet:setopt(S, active, false) + end, case tcp_sync_input(S, NewOwner, false) of true -> %% socket already closed, ok; @@ -1264,7 +1340,10 @@ tcp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> try erlang:port_connect(S, NewOwner) of true -> unlink(S), %% unlink from port - prim_inet:setopt(S, active, A0), + case A0 of + false -> ok; + _ -> prim_inet:setopt(S, active, A0) + end, ok catch error:Reason -> @@ -1300,6 +1379,8 @@ tcp_sync_input(S, Owner, Flag) -> %% Set controlling process for UDP or SCTP socket. udp_controlling_process(S, NewOwner) when is_port(S), is_pid(NewOwner) -> case erlang:port_info(S, connected) of + {connected, NewOwner} -> + ok; {connected, Pid} when Pid =/= self() -> {error, not_owner}; _ -> |