diff options
Diffstat (limited to 'net/sctp/sm_make_chunk.c')
| -rw-r--r-- | net/sctp/sm_make_chunk.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c index f9573eba5c7..5e0de3c0eea 100644 --- a/net/sctp/sm_make_chunk.c +++ b/net/sctp/sm_make_chunk.c @@ -1275,7 +1275,12 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, unsigned int keylen; char *key; - headersize = sizeof(sctp_paramhdr_t) + SCTP_SECRET_SIZE; + /* Header size is static data prior to the actual cookie, including + * any padding. + */ + headersize = sizeof(sctp_paramhdr_t) + + (sizeof(struct sctp_signed_cookie) - + sizeof(struct sctp_cookie)); bodysize = sizeof(struct sctp_cookie) + ntohs(init_chunk->chunk_hdr->length) + addrs_len; @@ -1287,7 +1292,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep, - (bodysize % SCTP_COOKIE_MULTIPLE); *cookie_len = headersize + bodysize; - retval = (sctp_cookie_param_t *)kmalloc(*cookie_len, GFP_ATOMIC); + retval = kmalloc(*cookie_len, GFP_ATOMIC); if (!retval) { *cookie_len = 0; @@ -1354,7 +1359,7 @@ struct sctp_association *sctp_unpack_cookie( struct sctp_signed_cookie *cookie; struct sctp_cookie *bear_cookie; int headersize, bodysize, fixed_size; - __u8 digest[SCTP_SIGNATURE_SIZE]; + __u8 *digest = ep->digest; struct scatterlist sg; unsigned int keylen, len; char *key; @@ -1362,7 +1367,12 @@ struct sctp_association *sctp_unpack_cookie( struct sk_buff *skb = chunk->skb; struct timeval tv; - headersize = sizeof(sctp_chunkhdr_t) + SCTP_SECRET_SIZE; + /* Header size is static data prior to the actual cookie, including + * any padding. + */ + headersize = sizeof(sctp_chunkhdr_t) + + (sizeof(struct sctp_signed_cookie) - + sizeof(struct sctp_cookie)); bodysize = ntohs(chunk->chunk_hdr->length) - headersize; fixed_size = headersize + sizeof(struct sctp_cookie); |