Author: tuexen
Date: Thu Jun 30 16:56:55 2011
New Revision: 223697
URL: http://svn.freebsd.org/changeset/base/223697
Log:
Add the missing sca_keylength field to the sctp_authkey structure,
which is used the the SCTP_AUTH_KEY socket option.
MFC after: 1 month.
Modified:
head/sys/netinet/sctp_uio.h
head/sys/netinet/sctp_usrreq.c
Modified: head/sys/netinet/sctp_uio.h
==============================================================================
--- head/sys/netinet/sctp_uio.h Thu Jun 30 16:13:00 2011 (r223696)
+++ head/sys/netinet/sctp_uio.h Thu Jun 30 16:56:55 2011 (r223697)
@@ -591,6 +591,7 @@ struct sctp_authchunk {
struct sctp_authkey {
sctp_assoc_t sca_assoc_id;
uint16_t sca_keynumber;
+ uint16_t sca_keylength;
uint8_t sca_key[];
};
Modified: head/sys/netinet/sctp_usrreq.c
==============================================================================
--- head/sys/netinet/sctp_usrreq.c Thu Jun 30 16:13:00 2011
(r223696)
+++ head/sys/netinet/sctp_usrreq.c Thu Jun 30 16:56:55 2011
(r223697)
@@ -3571,8 +3571,18 @@ sctp_setopt(struct socket *so, int optna
size_t size;
SCTP_CHECK_AND_CAST(sca, optval, struct sctp_authkey,
optsize);
+ if (sca->sca_keylength == 0) {
+ size = optsize - sizeof(struct sctp_authkey);
+ } else {
+ if (sca->sca_keylength + sizeof(struct
sctp_authkey) <= optsize) {
+ size = sca->sca_keylength;
+ } else {
+ SCTP_LTRACE_ERR_RET(inp, NULL, NULL,
SCTP_FROM_SCTP_USRREQ, EINVAL);
+ error = EINVAL;
+ break;
+ }
+ }
SCTP_FIND_STCB(inp, stcb, sca->sca_assoc_id);
- size = optsize - sizeof(struct sctp_authkey);
if (stcb) {
shared_keys = &stcb->asoc.shared_keys;
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