diff options
Diffstat (limited to 'erts/emulator/drivers/common')
| -rw-r--r-- | erts/emulator/drivers/common/inet_drv.c | 31 |
1 files changed, 14 insertions, 17 deletions
diff --git a/erts/emulator/drivers/common/inet_drv.c b/erts/emulator/drivers/common/inet_drv.c index 6c02674414..9f84329dd8 100644 --- a/erts/emulator/drivers/common/inet_drv.c +++ b/erts/emulator/drivers/common/inet_drv.c @@ -10148,12 +10148,13 @@ 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); @@ -10162,27 +10163,23 @@ 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; ErlDrvSizeT alen = buf + len - curr; - curr = inet_set_address(desc->sfamily, &tmp, curr, &alen); + curr = inet_set_address(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; |