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path: root/net/sctp/sm_make_chunk.c
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Diffstat (limited to 'net/sctp/sm_make_chunk.c')
-rw-r--r--net/sctp/sm_make_chunk.c67
1 files changed, 42 insertions, 25 deletions
diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index e8ca4e54981f..fd8acb48c3f2 100644
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -702,12 +702,14 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc)
__u32 ctsn;
__u16 num_gabs, num_dup_tsns;
struct sctp_tsnmap *map = (struct sctp_tsnmap *)&asoc->peer.tsn_map;
+ struct sctp_gap_ack_block gabs[SCTP_MAX_GABS];
+ memset(gabs, 0, sizeof(gabs));
ctsn = sctp_tsnmap_get_ctsn(map);
SCTP_DEBUG_PRINTK("sackCTSNAck sent: 0x%x.\n", ctsn);
/* How much room is needed in the chunk? */
- num_gabs = sctp_tsnmap_num_gabs(map);
+ num_gabs = sctp_tsnmap_num_gabs(map, gabs);
num_dup_tsns = sctp_tsnmap_num_dups(map);
/* Initialize the SACK header. */
@@ -763,7 +765,7 @@ struct sctp_chunk *sctp_make_sack(const struct sctp_association *asoc)
/* Add the gap ack block information. */
if (num_gabs)
sctp_addto_chunk(retval, sizeof(__u32) * num_gabs,
- sctp_tsnmap_get_gabs(map));
+ gabs);
/* Add the duplicate TSN information. */
if (num_dup_tsns)
@@ -1012,6 +1014,29 @@ end:
return retval;
}
+struct sctp_chunk *sctp_make_violation_paramlen(
+ const struct sctp_association *asoc,
+ const struct sctp_chunk *chunk,
+ struct sctp_paramhdr *param)
+{
+ struct sctp_chunk *retval;
+ static const char error[] = "The following parameter had invalid length:";
+ size_t payload_len = sizeof(error) + sizeof(sctp_errhdr_t) +
+ sizeof(sctp_paramhdr_t);
+
+ retval = sctp_make_abort(asoc, chunk, payload_len);
+ if (!retval)
+ goto nodata;
+
+ sctp_init_cause(retval, SCTP_ERROR_PROTO_VIOLATION,
+ sizeof(error) + sizeof(sctp_paramhdr_t));
+ sctp_addto_chunk(retval, sizeof(error), error);
+ sctp_addto_param(retval, sizeof(sctp_paramhdr_t), param);
+
+nodata:
+ return retval;
+}
+
/* Make a HEARTBEAT chunk. */
struct sctp_chunk *sctp_make_heartbeat(const struct sctp_association *asoc,
const struct sctp_transport *transport,
@@ -1188,7 +1213,7 @@ struct sctp_chunk *sctp_chunkify(struct sk_buff *skb,
*/
retval->tsn_missing_report = 0;
retval->tsn_gap_acked = 0;
- retval->fast_retransmit = 0;
+ retval->fast_retransmit = SCTP_CAN_FRTX;
/* If this is a fragmented message, track all fragments
* of the message (for SEND_FAILED).
@@ -1782,11 +1807,6 @@ static int sctp_process_inv_paramlength(const struct sctp_association *asoc,
const struct sctp_chunk *chunk,
struct sctp_chunk **errp)
{
- static const char error[] = "The following parameter had invalid length:";
- size_t payload_len = WORD_ROUND(sizeof(error)) +
- sizeof(sctp_paramhdr_t);
-
-
/* This is a fatal error. Any accumulated non-fatal errors are
* not reported.
*/
@@ -1794,14 +1814,7 @@ static int sctp_process_inv_paramlength(const struct sctp_association *asoc,
sctp_chunk_free(*errp);
/* Create an error chunk and fill it in with our payload. */
- *errp = sctp_make_op_error_space(asoc, chunk, payload_len);
-
- if (*errp) {
- sctp_init_cause(*errp, SCTP_ERROR_PROTO_VIOLATION,
- sizeof(error) + sizeof(sctp_paramhdr_t));
- sctp_addto_chunk(*errp, sizeof(error), error);
- sctp_addto_param(*errp, sizeof(sctp_paramhdr_t), param);
- }
+ *errp = sctp_make_violation_paramlen(asoc, chunk, param);
return 0;
}
@@ -1886,11 +1899,13 @@ static void sctp_process_ext_param(struct sctp_association *asoc,
/* if the peer reports AUTH, assume that he
* supports AUTH.
*/
- asoc->peer.auth_capable = 1;
+ if (sctp_auth_enable)
+ asoc->peer.auth_capable = 1;
break;
case SCTP_CID_ASCONF:
case SCTP_CID_ASCONF_ACK:
- asoc->peer.asconf_capable = 1;
+ if (sctp_addip_enable)
+ asoc->peer.asconf_capable = 1;
break;
default:
break;
@@ -2275,8 +2290,9 @@ int sctp_process_init(struct sctp_association *asoc, sctp_cid_t cid,
}
/* Set up the TSN tracking pieces. */
- sctp_tsnmap_init(&asoc->peer.tsn_map, SCTP_TSN_MAP_SIZE,
- asoc->peer.i.initial_tsn);
+ if (!sctp_tsnmap_init(&asoc->peer.tsn_map, SCTP_TSN_MAP_INITIAL,
+ asoc->peer.i.initial_tsn, gfp))
+ goto clean_up;
/* RFC 2960 6.5 Stream Identifier and Stream Sequence Number
*
@@ -2319,12 +2335,10 @@ clean_up:
/* Release the transport structures. */
list_for_each_safe(pos, temp, &asoc->peer.transport_addr_list) {
transport = list_entry(pos, struct sctp_transport, transports);
- list_del_init(pos);
- sctp_transport_free(transport);
+ if (transport->state != SCTP_ACTIVE)
+ sctp_assoc_rm_peer(asoc, transport);
}
- asoc->peer.transport_count = 0;
-
nomem:
return 0;
}
@@ -2456,10 +2470,13 @@ do_addr_param:
break;
case SCTP_PARAM_ADAPTATION_LAYER_IND:
- asoc->peer.adaptation_ind = param.aind->adaptation_ind;
+ asoc->peer.adaptation_ind = ntohl(param.aind->adaptation_ind);
break;
case SCTP_PARAM_SET_PRIMARY:
+ if (!sctp_addip_enable)
+ goto fall_through;
+
addr_param = param.v + sizeof(sctp_addip_param_t);
af = sctp_get_af_specific(param_type2af(param.p->type));