vat2: add sanity checking - coverity errors
Type: fix
Signed-off-by: Ole Troan <ot@cisco.com>
Change-Id: I3cd56690fe52402d4cfa9ea67f1de53d8d919dee
diff --git a/src/tools/vppapigen/vppapigen_c.py b/src/tools/vppapigen/vppapigen_c.py
index a83d361..ba08349 100644
--- a/src/tools/vppapigen/vppapigen_c.py
+++ b/src/tools/vppapigen/vppapigen_c.py
@@ -1534,6 +1534,7 @@
char *p;
int l;
vac_read(&p, &l, 5); // XXX: Fix timeout
+ if (p == 0 || l == 0) return 0;
// XXX Will fail in case of event received. Do loop
if (ntohs(*((u16 *)p)) != vac_get_msg_index(VL_API_{R}_CRC)) {{
fprintf(stderr, "Mismatched reply\\n");
@@ -1573,6 +1574,10 @@
char *p;
int l;
vac_read(&p, &l, 5); // XXX: Fix timeout
+ if (p == 0 || l == 0) {{
+ cJSON_free(reply);
+ return 0;
+ }}
/* Message can be one of [_details, control_ping_reply
* or unrelated event]
@@ -1583,6 +1588,10 @@
}}
if (reply_msg_id == details_msg_id) {{
+ if (l < sizeof(vl_api_{r}_t)) {{
+ cJSON_free(reply);
+ return 0;
+ }}
vl_api_{r}_t *rmp = (vl_api_{r}_t *)p;
vl_api_{r}_t_endian(rmp);
cJSON_AddItemToArray(reply, vl_api_{r}_t_tojson(rmp));