diff options
Diffstat (limited to 'erts/emulator/drivers')
-rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 73 |
1 files changed, 51 insertions, 22 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 76a9b55179..8f4fff0f40 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -1228,6 +1228,27 @@ struct erl_drv_entry inet_driver_entry = NULL, }; +#if HAVE_IN6 +# if ! defined(HAVE_IN6ADDR_ANY) || ! HAVE_IN6ADDR_ANY +# if HAVE_DECL_IN6ADDR_ANY_INIT +static const struct in6_addr in6addr_any = { { IN6ADDR_ANY_INIT } }; +# else +static const struct in6_addr in6addr_any = + { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0 } } }; +# endif /* HAVE_IN6ADDR_ANY_INIT */ +# endif /* ! HAVE_DECL_IN6ADDR_ANY */ + +# if ! defined(HAVE_IN6ADDR_LOOPBACK) || ! HAVE_IN6ADDR_LOOPBACK +# if HAVE_DECL_IN6ADDR_LOOPBACK_INIT +static const struct in6_addr in6addr_loopback = + { { IN6ADDR_LOOPBACK_INIT } }; +# else +static const struct in6_addr in6addr_loopback = + { { { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 } } }; +# endif /* HAVE_IN6ADDR_LOOPBACk_INIT */ +# endif /* ! HAVE_DECL_IN6ADDR_LOOPBACK */ +#endif /* HAVE_IN6 */ + /* XXX: is this a driver interface function ??? */ void erl_exit(int n, char*, ...); @@ -3706,6 +3727,9 @@ static char* inet_set_address(int family, inet_address* dst, if ((family == AF_INET) && (*len >= 2+4)) { sys_memzero((char*)dst, sizeof(struct sockaddr_in)); port = get_int16(src); +#ifndef NO_SA_LEN + dst->sai.sin_len = sizeof(struct sockaddr_in); +#endif dst->sai.sin_family = family; dst->sai.sin_port = sock_htons(port); sys_memcpy(&dst->sai.sin_addr, src+2, 4); @@ -3716,6 +3740,9 @@ static char* inet_set_address(int family, inet_address* dst, else if ((family == AF_INET6) && (*len >= 2+16)) { sys_memzero((char*)dst, sizeof(struct sockaddr_in6)); port = get_int16(src); +#ifndef NO_SA_LEN + dst->sai6.sin6_len = sizeof(struct sockaddr_in6); +#endif dst->sai6.sin6_family = family; dst->sai6.sin6_port = sock_htons(port); dst->sai6.sin6_flowinfo = 0; /* XXX this may be set as well ?? */ @@ -3726,7 +3753,7 @@ static char* inet_set_address(int family, inet_address* dst, #endif return NULL; } -#ifdef HAVE_SCTP + /* ** Set an inaddr structure, address family comes from source data, ** or from argument if source data specifies constant address. @@ -3770,6 +3797,9 @@ static char *inet_set_faddress(int family, inet_address* dst, return NULL; } sys_memzero((char*)dst, sizeof(struct sockaddr_in)); +#ifndef NO_SA_LEN + dst->sai.sin_len = sizeof(struct sockaddr_in6); +#endif dst->sai.sin_family = family; dst->sai.sin_port = sock_htons(port); dst->sai.sin_addr.s_addr = addr.s_addr; @@ -3789,6 +3819,9 @@ static char *inet_set_faddress(int family, inet_address* dst, return NULL; } sys_memzero((char*)dst, sizeof(struct sockaddr_in6)); +#ifndef NO_SA_LEN + dst->sai6.sin6_len = sizeof(struct sockaddr_in6); +#endif dst->sai6.sin6_family = family; dst->sai6.sin6_port = sock_htons(port); dst->sai6.sin6_flowinfo = 0; /* XXX this may be set as well ?? */ @@ -3806,7 +3839,7 @@ static char *inet_set_faddress(int family, inet_address* dst, } return inet_set_address(family, dst, src, len); } -#endif /* HAVE_SCTP */ + /* Get a inaddr structure ** src = inaddr structure @@ -7771,7 +7804,7 @@ static ErlDrvSSizeT inet_ctl(inet_descriptor* desc, int cmd, char* buf, if (desc->state != INET_STATE_OPEN) return ctl_xerror(EXBADPORT, rbuf, rsize); - if (inet_set_address(desc->sfamily, &local, buf, &len) == NULL) + if (inet_set_faddress(desc->sfamily, &local, buf, &len) == NULL) return ctl_error(EINVAL, rbuf, rsize); if (IS_SOCKET_ERROR(sock_bind(desc->s,(struct sockaddr*) &local, len))) @@ -10136,12 +10169,13 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, case SCTP_REQ_BINDX: { /* Multi-homing bind for SCTP: */ - /* Construct the list of addresses we bind to. The curr limit is - 256 addrs. Buff structure: Flags(1), ListItem,...: + /* Add additional addresses by calling sctp_bindx with one address + at a time, since this is what some OSes promise will work. + Buff structure: Flags(1), ListItem,...: */ - struct sockaddr addrs[256]; + inet_address addr; char* curr; - int add_flag, n, rflag; + int add_flag, rflag; if (!IS_SCTP(desc)) return ctl_xerror(EXBADPORT, rbuf, rsize); @@ -10150,27 +10184,22 @@ static ErlDrvSSizeT packet_inet_ctl(ErlDrvData e, unsigned int cmd, char* buf, add_flag = get_int8(curr); curr++; - for(n=0; n < 256 && curr < buf+len; n++) + /* Make the real flags: */ + rflag = add_flag ? SCTP_BINDX_ADD_ADDR : SCTP_BINDX_REM_ADDR; + + while (curr < buf+len) { - /* List item format: Port(2), IP(4|16) -- compatible with - "inet_set_address": */ - inet_address tmp; + /* List item format: see "inet_set_faddress": */ ErlDrvSizeT alen = buf + len - curr; - curr = inet_set_address(desc->sfamily, &tmp, curr, &alen); + curr = inet_set_faddress(desc->sfamily, &addr, curr, &alen); if (curr == NULL) return ctl_error(EINVAL, rbuf, rsize); - /* Now: we need to squeeze "tmp" into the size of "sockaddr", - which is smaller than "tmp" for IPv6 (extra IN6 info will - be cut off): */ - memcpy(addrs + n, &tmp, sizeof(struct sockaddr)); + /* Invoke the call: */ + if (p_sctp_bindx(desc->s, (struct sockaddr *)&addr, 1, + rflag) < 0) + return ctl_error(sock_errno(), rbuf, rsize); } - /* Make the real flags: */ - rflag = add_flag ? SCTP_BINDX_ADD_ADDR : SCTP_BINDX_REM_ADDR; - - /* Invoke the call: */ - if (p_sctp_bindx(desc->s, addrs, n, rflag) < 0) - return ctl_error(sock_errno(), rbuf, rsize); desc->state = INET_STATE_BOUND; |