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Fail the SCTP_GET_ASSOC_NUMBER and SCTP_GET_ASSOC_ID_LIST

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socket options for 1-to-1 style sockets as specified in RFC 6458.

MFC after:	3 days
This commit is contained in:
Michael Tuexen 2016-01-14 11:25:28 +00:00
parent dc5f4fa86e
commit ebee3dc229
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=293913
1 changed files with 16 additions and 2 deletions
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18
sys/netinet/sctp_usrreq.c
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@ -1883,8 +1883,15 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
uint32_t *value, cnt;
SCTP_CHECK_AND_CAST(value, optval, uint32_t, *optsize);
cnt = 0;
SCTP_INP_RLOCK(inp);
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
/* Can't do this for a 1-1 socket */
error = EINVAL;
SCTP_INP_RUNLOCK(inp);
break;
}
cnt = 0;
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
cnt++;
}
@ -1899,9 +1906,16 @@ sctp_getopt(struct socket *so, int optname, void *optval, size_t *optsize,
unsigned int at, limit;
SCTP_CHECK_AND_CAST(ids, optval, struct sctp_assoc_ids, *optsize);
SCTP_INP_RLOCK(inp);
if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
(inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
/* Can't do this for a 1-1 socket */
error = EINVAL;
SCTP_INP_RUNLOCK(inp);
break;
}
at = 0;
limit = (*optsize - sizeof(uint32_t)) / sizeof(sctp_assoc_t);
SCTP_INP_RLOCK(inp);
LIST_FOREACH(stcb, &inp->sctp_asoc_list, sctp_tcblist) {
if (at < limit) {
ids->gaids_assoc_id[at++] = sctp_get_associd(stcb);