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Do error checking for the SCTP_RESET_STREAMS, SCTP_RESET_ASSOC,

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and SCTP_ADD_STREAMS socket options as specified by RFC 6525.

MFC after: 3 days
This commit is contained in:
Michael Tuexen 2012-05-05 14:06:15 +00:00
parent eb6910ccca
commit f6faece611
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=235057
1 changed files with 15 additions and 19 deletions
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34
sys/netinet/sctp_usrreq.c
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@ -4164,7 +4164,6 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
SCTP_CHECK_AND_CAST(strrst, optval, struct sctp_reset_streams, optsize);
SCTP_FIND_STCB(inp, stcb, strrst->srs_assoc_id);
if (stcb == NULL) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, ENOENT);
error = ENOENT;
@ -4179,15 +4178,6 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
SCTP_TCB_UNLOCK(stcb);
break;
}
if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_STREAM_REQ)) {
/*
* User did not enable the operation.
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
error = EPERM;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (stcb->asoc.stream_reset_outstanding) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;
@ -4246,6 +4236,21 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
error = ENOENT;
break;
}
if (stcb->asoc.peer_supports_strreset == 0) {
/*
* Peer does not support the chunk type.
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EOPNOTSUPP);
error = EOPNOTSUPP;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (stcb->asoc.stream_reset_outstanding) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;
SCTP_TCB_UNLOCK(stcb);
break;
}
if ((stradd->sas_outstrms == 0) &&
(stradd->sas_instrms == 0)) {
error = EINVAL;
@ -4309,15 +4314,6 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
SCTP_TCB_UNLOCK(stcb);
break;
}
if (!(stcb->asoc.local_strreset_support & SCTP_ENABLE_RESET_ASSOC_REQ)) {
/*
* User did not enable the operation.
*/
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EPERM);
error = EPERM;
SCTP_TCB_UNLOCK(stcb);
break;
}
if (stcb->asoc.stream_reset_outstanding) {
SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
error = EALREADY;