+// SPDX-License-Identifier: GPL-2.0-or-later
/* mlag generic code.
* Copyright (C) 2018 Cumulus Networks, Inc.
* Donald Sharp
- *
- * This file is part of FRR.
- *
- * FRR is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2, or (at your option) any
- * later version.
- *
- * FRR is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with FRR; see the file COPYING. If not, write to the Free
- * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
- * 02111-1307, USA.
*/
#include <zebra.h>
case MLAG_PEER_FRR_STATUS:
snprintf(buf, size, "Mlag Peer FRR Status");
break;
- default:
+ case MLAG_PIM_CFG_DUMP:
+ snprintf(buf, size, "Mlag Pim Configuration Dump");
+ break;
+ case MLAG_MSG_NONE:
snprintf(buf, size, "Unknown %d", msg_type);
break;
}
}
-int mlag_lib_decode_mlag_hdr(struct stream *s, struct mlag_msg *msg)
+int mlag_lib_decode_mlag_hdr(struct stream *s, struct mlag_msg *msg,
+ size_t *length)
{
+#define LIB_MLAG_HDR_LENGTH 8
if (s == NULL || msg == NULL)
return -1;
+ *length = stream_get_endp(s);
+
+ if (*length < LIB_MLAG_HDR_LENGTH)
+ return -1;
+
+ *length -= LIB_MLAG_HDR_LENGTH;
+
STREAM_GETL(s, msg->msg_type);
STREAM_GETW(s, msg->data_len);
STREAM_GETW(s, msg->msg_cnt);
+
return 0;
stream_failure:
return -1;
}
-int mlag_lib_decode_mroute_add(struct stream *s, struct mlag_mroute_add *msg)
+#define MLAG_MROUTE_ADD_LENGTH \
+ (VRF_NAMSIZ + INTERFACE_NAMSIZ + 4 + 4 + 4 + 4 + 1 + 1 + 4)
+
+int mlag_lib_decode_mroute_add(struct stream *s, struct mlag_mroute_add *msg,
+ size_t *length)
{
- if (s == NULL || msg == NULL)
+ if (s == NULL || msg == NULL || *length < MLAG_MROUTE_ADD_LENGTH)
return -1;
STREAM_GET(msg->vrf_name, s, VRF_NAMSIZ);
STREAM_GETC(s, msg->am_i_dual_active);
STREAM_GETL(s, msg->vrf_id);
STREAM_GET(msg->intf_name, s, INTERFACE_NAMSIZ);
+
return 0;
stream_failure:
return -1;
}
-int mlag_lib_decode_mroute_del(struct stream *s, struct mlag_mroute_del *msg)
+#define MLAG_MROUTE_DEL_LENGTH (VRF_NAMSIZ + INTERFACE_NAMSIZ + 4 + 4 + 4 + 4)
+
+int mlag_lib_decode_mroute_del(struct stream *s, struct mlag_mroute_del *msg,
+ size_t *length)
{
- if (s == NULL || msg == NULL)
+ if (s == NULL || msg == NULL || *length < MLAG_MROUTE_DEL_LENGTH)
return -1;
STREAM_GET(msg->vrf_name, s, VRF_NAMSIZ);
STREAM_GETL(s, msg->owner_id);
STREAM_GETL(s, msg->vrf_id);
STREAM_GET(msg->intf_name, s, INTERFACE_NAMSIZ);
+
return 0;
stream_failure:
return -1;