diff options
Diffstat (limited to 'isisd/isis_dlpi.c')
| -rw-r--r-- | isisd/isis_dlpi.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/isisd/isis_dlpi.c b/isisd/isis_dlpi.c index fe872a95..73b6d3e7 100644 --- a/isisd/isis_dlpi.c +++ b/isisd/isis_dlpi.c @@ -442,12 +442,12 @@ open_dlpi_dev (struct isis_circuit *circuit) * 8.4.2 - Broadcast subnetwork IIH PDUs */ retval = 0; - if (circuit->circuit_is_type & IS_LEVEL_1) + if (circuit->is_type & IS_LEVEL_1) { retval |= dlpimcast (fd, ALL_L1_ISS); retval |= dlpimcast (fd, ALL_ISS); } - if (circuit->circuit_is_type & IS_LEVEL_2) + if (circuit->is_type & IS_LEVEL_2) retval |= dlpimcast (fd, ALL_L2_ISS); if (retval != 0) @@ -589,6 +589,16 @@ isis_send_pdu_bcast (struct isis_circuit *circuit, int level) dl_unitdata_req_t *dur = (dl_unitdata_req_t *)dlpi_ctl; char *dstaddr; u_short *dstsap; + int buflen; + + buflen = stream_get_endp (circuit->snd_stream) + LLC_LEN; + if (buflen > sizeof (sock_buff)) + { + zlog_warn ("isis_send_pdu_bcast: sock_buff size %lu is less than " + "output pdu size %d on circuit %s", + sizeof (sock_buff), buflen, circuit->interface->name); + return ISIS_WARNING; + } stream_set_getp (circuit->snd_stream, 0); @@ -612,7 +622,7 @@ isis_send_pdu_bcast (struct isis_circuit *circuit, int level) else memcpy (dstaddr, ALL_L2_ISS, ETHERADDRL); /* Note: DLPI SAP values are in host byte order */ - *dstsap = stream_get_endp (circuit->snd_stream) + LLC_LEN; + *dstsap = buflen; sock_buff[0] = ISO_SAP; sock_buff[1] = ISO_SAP; @@ -620,7 +630,7 @@ isis_send_pdu_bcast (struct isis_circuit *circuit, int level) memcpy (sock_buff + LLC_LEN, circuit->snd_stream->data, stream_get_endp (circuit->snd_stream)); dlpisend (circuit->fd, dur, sizeof (*dur) + dur->dl_dest_addr_length, - sock_buff, stream_get_endp (circuit->snd_stream) + LLC_LEN, 0); + sock_buff, buflen, 0); return ISIS_OK; } |