diff options
Diffstat (limited to 'erts/emulator/drivers/common/inet_drv.c')
| -rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 80f504a361..3210ffa92a 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -660,6 +660,7 @@ static int my_strncasecmp(const char *s1, const char *s2, size_t n) #define UDP_OPT_MULTICAST_LOOP 13 /* set/get IP multicast loopback */ #define UDP_OPT_ADD_MEMBERSHIP 14 /* add an IP group membership */ #define UDP_OPT_DROP_MEMBERSHIP 15 /* drop an IP group membership */ +#define INET_OPT_IPV6_V6ONLY 16 /* IPv6 only socket, no mapped v4 addrs */ /* LOPT is local options */ #define INET_LOPT_BUFFER 20 /* min buffer size hint */ #define INET_LOPT_HEADER 21 /* list header size */ @@ -1167,6 +1168,7 @@ static ErlDrvTermData am_reuseaddr; static ErlDrvTermData am_dontroute; static ErlDrvTermData am_priority; static ErlDrvTermData am_tos; +static ErlDrvTermData am_ipv6_v6only; #endif /* speical errors for bad ports and sequences */ @@ -3486,6 +3488,7 @@ static void inet_init_sctp(void) { INIT_ATOM(dontroute); INIT_ATOM(priority); INIT_ATOM(tos); + INIT_ATOM(ipv6_v6only); /* Option names */ INIT_ATOM(sctp_rtoinfo); @@ -5618,6 +5621,23 @@ static int inet_set_opts(inet_descriptor* desc, char* ptr, int len) #endif /* HAVE_MULTICAST_SUPPORT */ + case INET_OPT_IPV6_V6ONLY: +#if HAVE_DECL_IPV6_V6ONLY + proto = IPPROTO_IPV6; + type = IPV6_V6ONLY; + propagate = 1; + DEBUGF(("inet_set_opts(%ld): s=%d, IPV6_V6ONLY=%d\r\n", + (long)desc->port, desc->s, ival)); + break; +#elif defined(__WIN32__) && defined(HAVE_IN6) && defined(AF_INET6) + /* Fake a'la OpenBSD; set to 'true' is fine but 'false' invalid. */ + if (ival != 0) continue; + else return -1; + break; +#else + continue; +#endif + case INET_OPT_RAW: if (len < 8) { return -1; @@ -5947,6 +5967,22 @@ static int sctp_set_opts(inet_descriptor* desc, char* ptr, int len) continue; /* Option not supported -- ignore it */ # endif + case INET_OPT_IPV6_V6ONLY: +# if HAVE_DECL_IPV6_V6ONLY + { + arg.ival= get_int32 (curr); curr += 4; + proto = IPPROTO_IPV6; + type = IPV6_V6ONLY; + arg_ptr = (char*) (&arg.ival); + arg_sz = sizeof ( arg.ival); + break; + } +# elif defined(__WIN32__) && defined(HAVE_IN6) && defined(AF_INET6) +# error Here is a fix for Win IPv6 SCTP missing +# else + continue; /* Option not supported -- ignore it */ +# endif + case SCTP_OPT_AUTOCLOSE: { arg.ival= get_int32 (curr); curr += 4; @@ -6435,6 +6471,22 @@ static ErlDrvSSizeT inet_fill_opts(inet_descriptor* desc, break; #endif /* HAVE_MULTICAST_SUPPORT */ + case INET_OPT_IPV6_V6ONLY: +#if HAVE_DECL_IPV6_V6ONLY + proto = IPPROTO_IPV6; + type = IPV6_V6ONLY; + break; +#elif defined(__WIN32__) && defined(HAVE_IN6) && defined(AF_INET6) + /* Fake reading 'true' */ + *ptr++ = opt; + put_int32(1, ptr); + ptr += 4; + continue; +#else + TRUNCATE_TO(0,ptr); + continue; /* skip - no result */ +#endif + case INET_OPT_RAW: { int data_provided; @@ -6739,6 +6791,7 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc, case INET_OPT_DONTROUTE: case INET_OPT_PRIORITY : case INET_OPT_TOS : + case INET_OPT_IPV6_V6ONLY: case SCTP_OPT_AUTOCLOSE: case SCTP_OPT_MAXSEG : /* The following options return true or false: */ @@ -6811,6 +6864,20 @@ static ErlDrvSSizeT sctp_fill_opts(inet_descriptor* desc, continue; # endif } + case INET_OPT_IPV6_V6ONLY: +# if HAVE_DECL_IPV6_V6ONLY + { + proto = IPPROTO_IPV6; + type = IPV6_V6ONLY; + tag = am_ipv6_v6only; + break; + } +# elif defined(__WIN32__) && defined(HAVE_IN6) && defined(AF_INET6) +# error Here is a fix for Win IPv6 SCTP needed +# else + /* Not supported -- ignore */ + continue; +# endif case SCTP_OPT_AUTOCLOSE: { proto = IPPROTO_SCTP; |