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-rw-r--r--erts/emulator/drivers/common/inet_drv.c182
-rw-r--r--erts/preloaded/ebin/prim_inet.beambin80932 -> 81424 bytes
-rw-r--r--erts/preloaded/src/prim_inet.erl97
3 files changed, 212 insertions, 67 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c
index 0d9b4ff59f..1bf6f9f1af 100644
--- a/erts/emulator/drivers/common/inet_drv.c
+++ b/erts/emulator/drivers/common/inet_drv.c
@@ -3379,6 +3379,71 @@ static int udp_parse_ancillary_data(ErlDrvTermData *spec, int i,
i = LOAD_NIL(spec, i);
return LOAD_LIST(spec, i, n+1);
}
+
+static int compile_ancillary_data(struct msghdr *mhdr,
+ char *ptr, ErlDrvSizeT anc_len) {
+ struct cmsghdr *cmsg;
+ size_t controllen = 0;
+ cmsg = CMSG_FIRSTHDR(mhdr);
+ for (;;) {
+ if (anc_len == 0) {
+ /* End of options to compile */
+ mhdr->msg_controllen = controllen;
+ return 0;
+ }
+ if (cmsg == NULL) {
+ /* End of destination before end of options */
+ return 1;
+ }
+
+#define COMPILE_ANCILLARY_DATA_ITEM(Level, Opt, Type, Get, Size) \
+ do { \
+ if (anc_len < (Size)) return 1; \
+ sys_memset(cmsg, '\0', CMSG_SPACE(sizeof(Type))); \
+ cmsg->cmsg_level = Level; \
+ cmsg->cmsg_type = Opt; \
+ cmsg->cmsg_len = CMSG_LEN(sizeof(Type)); \
+ *((Type *) CMSG_DATA(cmsg)) = Get(ptr); \
+ controllen += CMSG_SPACE(sizeof(Type)); \
+ cmsg = CMSG_NXTHDR(mhdr, cmsg); \
+ ptr += 4; \
+ anc_len -= 4; \
+ } while (0)
+#define SIZEOF_ANCILLARY_DATA (2 * CMSG_SPACE(sizeof(int)))
+ /* (IP_TOS | IPV6_TCLASS) + IP_TTL */
+
+ switch (anc_len--, *ptr++) {
+ case INET_OPT_TOS: {
+#if defined(IPPROTO_IP) && defined(IP_TOS)
+ COMPILE_ANCILLARY_DATA_ITEM(IPPROTO_IP, IP_TOS, int, get_int32, 4);
+#else
+ return 1; /* Socket option not implemented */
+#endif
+ break;
+ }
+ case INET_OPT_TTL: {
+#if defined(IPPROTO_IP) && defined(IP_TTL)
+ COMPILE_ANCILLARY_DATA_ITEM(IPPROTO_IP, IP_TTL, int, get_int32, 4);
+#else
+ return 1; /* Socket option not implemented */
+#endif
+ break;
+ }
+ case INET_OPT_TCLASS: {
+#if defined(IPPROTO_IPV6) && defined(IPV6_TCLASS)
+ COMPILE_ANCILLARY_DATA_ITEM(IPPROTO_IPV6, IPV6_TCLASS, int, get_int32, 4);
+#else
+ return 1; /* Socket option not implemented */
+#endif
+ break;
+ }
+ default:
+ /* Unknow socket option */
+ return 1;
+ }
+#undef COMPILE_ANCILLARY_DATA_ITEM
+ }
+}
#endif /* ifndef __WIN32__ */
/*
@@ -11384,7 +11449,7 @@ static int tcp_shutdown_error(tcp_descriptor* desc, int err)
static void tcp_inet_delay_send(ErlDrvData data, ErlDrvTermData dummy)
{
tcp_descriptor *desc = (tcp_descriptor*)data;
- (void)tcp_inet_output(desc, INETP(desc)->s);
+ (void)tcp_inet_output(desc, (HANDLE) INETP(desc)->s);
}
/*
@@ -12551,7 +12616,7 @@ static void packet_inet_timeout(ErlDrvData e)
sock_select(desc, FD_READ, 0);
async_error_am (desc, am_timeout);
} else {
- (void)packet_inet_input(udesc, desc->s);
+ (void)packet_inet_input(udesc, (HANDLE) desc->s);
}
}
@@ -12595,11 +12660,8 @@ static void packet_inet_command(ErlDrvData e, char* buf, ErlDrvSizeT len)
char ancd[CMSG_SPACE(sizeof(*sri))];
} cmsg;
- if (len < SCTP_GET_SENDPARAMS_LEN) {
- inet_reply_error(desc, EINVAL);
- return;
- }
-
+ if (len < SCTP_GET_SENDPARAMS_LEN) goto return_einval;
+
/* The ancillary data */
sri = (struct sctp_sndrcvinfo *) (CMSG_DATA(&cmsg.hdr));
/* Get the "sndrcvinfo" from the buffer, advancing the "ptr": */
@@ -12632,28 +12694,85 @@ static void packet_inet_command(ErlDrvData e, char* buf, ErlDrvSizeT len)
goto check_result_code;
}
#endif
- /* UDP socket. Even if it is connected, there is an address prefix
- here -- ignored for connected sockets: */
- sz = len;
- qtr = ptr;
- xerror = inet_set_faddress(desc->sfamily, &other, &qtr, &sz);
- if (xerror != NULL) {
- inet_reply_error_am(desc, driver_mk_atom(xerror));
- return;
- }
- len -= (qtr - ptr);
- ptr = qtr;
- /* Now "ptr" is the user data ptr, "len" is data length: */
- inet_output_count(desc, len);
-
- if (desc->state & INET_F_ACTIVE) { /* connected (ignore address) */
- code = sock_send(desc->s, ptr, len, 0);
- }
- else {
- code = sock_sendto(desc->s, ptr, len, 0, &other.sa, sz);
+ {
+ ErlDrvSizeT anc_len;
+
+ /* UDP socket. Even if it is connected, there is an address prefix
+ here -- ignored for connected sockets: */
+ sz = len;
+ qtr = ptr;
+ xerror = inet_set_faddress(desc->sfamily, &other, &qtr, &sz);
+ if (xerror != NULL) {
+ inet_reply_error_am(desc, driver_mk_atom(xerror));
+ return;
+ }
+ len -= (qtr - ptr);
+ ptr = qtr;
+
+ /* Here comes ancillary data */
+ if (len < 4) goto return_einval;
+ anc_len = get_int32(ptr);
+ len -= 4; ptr += 4;
+ if (len < anc_len) goto return_einval;
+
+ if (anc_len == 0 && !!0/*XXX-short-circuit-for-testing*/) {
+ /* Empty ancillary data */
+ /* Now "ptr" is the user data ptr, "len" is data length: */
+ inet_output_count(desc, len);
+ if (desc->state & INET_F_ACTIVE) {
+ /* connected (ignore address) */
+ code = sock_send(desc->s, ptr, len, 0);
+ }
+ else {
+ code = sock_sendto(desc->s, ptr, len, 0, &other.sa, sz);
+ }
+ }
+ else {
+#ifdef __WIN32__
+ goto return_einval; /* Can not send ancillary data on Windows */
+#else
+ struct iovec iov[1];
+ struct msghdr mhdr;
+ union { /* For ancillary data */
+ struct cmsghdr hdr;
+ char ancd[SIZEOF_ANCILLARY_DATA];
+ } cmsg;
+ sys_memset(&iov, '\0', sizeof(iov));
+ sys_memset(&mhdr, '\0', sizeof(mhdr));
+ sys_memset(&cmsg, '\0', sizeof(cmsg));
+ if (desc->state & INET_F_ACTIVE) {
+ /* connected (ignore address) */
+ mhdr.msg_name = NULL;
+ mhdr.msg_namelen = 0;
+ }
+ else {
+ mhdr.msg_name = &other;
+ mhdr.msg_namelen = sz;
+ }
+ mhdr.msg_control = cmsg.ancd;
+ mhdr.msg_controllen = sizeof(cmsg.ancd);
+ if (compile_ancillary_data(&mhdr, ptr, anc_len) != 0) {
+ goto return_einval;
+ }
+ if (mhdr.msg_controllen == 0) {
+ /* XXX Testing - only possible for anc_len == 0 */
+ mhdr.msg_control = NULL;
+ }
+ len -= anc_len;
+ ptr += anc_len;
+ /* Now "ptr" is the user data ptr, "len" is data length: */
+ iov[0].iov_len = len;
+ iov[0].iov_base = ptr;
+ mhdr.msg_iov = iov;
+ mhdr.msg_iovlen = 1;
+ mhdr.msg_flags = 0;
+ inet_output_count(desc, len);
+ code = sock_sendmsg(desc->s, &mhdr, 0);
+#endif
+ }
}
-#ifdef HAVE_SCTP
+#ifdef HAVE_SCTP
check_result_code:
/* "code" analysis is the same for both SCTP and UDP cases above: */
#endif
@@ -12663,8 +12782,15 @@ static void packet_inet_command(ErlDrvData e, char* buf, ErlDrvSizeT len)
}
else
inet_reply_ok(desc);
+ return;
+
+ return_einval:
+ inet_reply_error(desc, EINVAL);
+ return;
}
-#endif
+
+#endif /* HAVE_UDP */
+
#ifdef __WIN32__
static void packet_inet_event(ErlDrvData e, ErlDrvEvent event)
diff --git a/erts/preloaded/ebin/prim_inet.beam b/erts/preloaded/ebin/prim_inet.beam
index b7c4cbe0a8..f67b660a08 100644
--- a/erts/preloaded/ebin/prim_inet.beam
+++ b/erts/preloaded/ebin/prim_inet.beam
Binary files differ
diff --git a/erts/preloaded/src/prim_inet.erl b/erts/preloaded/src/prim_inet.erl
index d5abdd2483..374facb2a3 100644
--- a/erts/preloaded/src/prim_inet.erl
+++ b/erts/preloaded/src/prim_inet.erl
@@ -553,34 +553,49 @@ send(S, Data) ->
%% "sendto" is for UDP. IP and Port are set by the caller to 0 if the socket
%% is known to be connected.
-sendto(S, Addr, _, Data) when is_port(S), tuple_size(Addr) =:= 2 ->
- case type_value(set, addr, Addr) of
- true ->
- ?DBG_FORMAT("prim_inet:sendto(~p, ~p, ~p)~n", [S,Addr,Data]),
- try
- erlang:port_command(S, [enc_value(set, addr, Addr),Data])
- of
- true ->
- receive
- {inet_reply,S,Reply} ->
- ?DBG_FORMAT(
- "prim_inet:sendto() -> ~p~n", [Reply]),
- Reply
- end
- catch
- error:_ ->
- ?DBG_FORMAT(
- "prim_inet:sendto() -> {error,einval}~n", []),
- {error,einval}
- end;
- false ->
- ?DBG_FORMAT(
- "prim_inet:sendto() -> {error,einval}~n", []),
- {error,einval}
- end;
-sendto(S, IP, Port, Data) ->
- sendto(S, {IP, Port}, 0, Data).
-
+sendto(S, {_, _} = Address, AncOpts, Data)
+ when is_port(S), is_list(AncOpts) ->
+ case encode_opt_val(AncOpts) of
+ {ok, AncData} ->
+ AncDataLen = iolist_size(AncData),
+ case
+ type_value(set, addr, Address) andalso
+ type_value(set, uint32, AncDataLen)
+ of
+ true ->
+ ?DBG_FORMAT("prim_inet:sendto(~p, ~p, ~p, ~p)~n",
+ [S,Address,AncOpts,Data]),
+ PortCommandData =
+ [enc_value(set, addr, Address),
+ enc_value(set, uint32, AncDataLen), AncData,
+ Data],
+ try erlang:port_command(S, PortCommandData) of
+ true ->
+ receive
+ {inet_reply,S,Reply} ->
+ ?DBG_FORMAT(
+ "prim_inet:sendto() -> ~p~n", [Reply]),
+ Reply
+ end
+ catch
+ _:_ ->
+ ?DBG_FORMAT(
+ "prim_inet:sendto() -> {error,einval}~n", []),
+ {error,einval}
+ end;
+ false ->
+ ?DBG_FORMAT(
+ "prim_inet:sendto() -> {error,einval}~n", []),
+ {error,einval}
+ end;
+ {error,_} ->
+ ?DBG_FORMAT(
+ "prim_inet:sendto() -> {error,einval}~n", []),
+ {error,einval}
+ end;
+sendto(S, IP, Port, Data)
+ when is_port(S), is_integer(Port) ->
+ sendto(S, {IP, Port}, [], Data).
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
@@ -1993,15 +2008,15 @@ enc_value_2(addr, {File,_}) when is_list(File); is_binary(File) ->
[?INET_AF_LOCAL,iolist_size(File)|File];
%%
enc_value_2(addr, {inet,{any,Port}}) ->
- [?INET_AF_INET,?int16(Port),0,0,0,0];
+ [?INET_AF_INET,?int16(Port)|ip4_to_bytes({0,0,0,0})];
enc_value_2(addr, {inet,{loopback,Port}}) ->
- [?INET_AF_INET,?int16(Port),127,0,0,1];
+ [?INET_AF_INET,?int16(Port)|ip4_to_bytes({127,0,0,1})];
enc_value_2(addr, {inet,{IP,Port}}) ->
[?INET_AF_INET,?int16(Port)|ip4_to_bytes(IP)];
enc_value_2(addr, {inet6,{any,Port}}) ->
- [?INET_AF_INET6,?int16(Port),0,0,0,0,0,0,0,0];
+ [?INET_AF_INET6,?int16(Port)|ip6_to_bytes({0,0,0,0,0,0,0,0})];
enc_value_2(addr, {inet6,{loopback,Port}}) ->
- [?INET_AF_INET6,?int16(Port),0,0,0,0,0,0,0,1];
+ [?INET_AF_INET6,?int16(Port)|ip6_to_bytes({0,0,0,0,0,0,0,1})];
enc_value_2(addr, {inet6,{IP,Port}}) ->
[?INET_AF_INET6,?int16(Port)|ip6_to_bytes(IP)];
enc_value_2(addr, {local,Addr}) ->
@@ -2149,10 +2164,10 @@ enum_name(_, []) -> false.
%% encode opt/val REVERSED since options are stored in reverse order
%% i.e. the recent options first (we must process old -> new)
encode_opt_val(Opts) ->
- try
- enc_opt_val(Opts, [])
+ try
+ {ok, enc_opt_val(Opts, [])}
catch
- Reason -> {error,Reason}
+ throw:Reason -> {error,Reason}
end.
%% {active, once} and {active, N} are specially optimized because they will
@@ -2171,17 +2186,21 @@ enc_opt_val([binary|Opts], Acc) ->
enc_opt_val(Opts, Acc, mode, binary);
enc_opt_val([list|Opts], Acc) ->
enc_opt_val(Opts, Acc, mode, list);
-enc_opt_val([_|_], _) -> {error,einval};
-enc_opt_val([], Acc) -> {ok,Acc}.
+enc_opt_val([_|_], _) ->
+ throw(einval);
+enc_opt_val([], Acc) ->
+ Acc.
enc_opt_val(Opts, Acc, Opt, Val) when is_atom(Opt) ->
Type = type_opt(set, Opt),
case type_value(set, Type, Val) of
true ->
enc_opt_val(Opts, [enc_opt(Opt),enc_value(set, Type, Val)|Acc]);
- false -> {error,einval}
+ false ->
+ throw(einval)
end;
-enc_opt_val(_, _, _, _) -> {error,einval}.
+enc_opt_val(_, _, _, _) ->
+ throw(einval).
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-06 01:47:25 +0000