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-rw-r--r--erts/emulator/drivers/common/inet_drv.c31
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;