The NetSync Monitor protocol features a TLV with a length of zero.
Our input message parsing assumes that every TLV will have some sort
of payload, and up until now this was true. This patch adjusts the
parsing code to accept TLVs of length zero.
Signed-off-by: Richard Cochran <richardcoch...@gmail.com>
---
msg.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/msg.c b/msg.c
index 4b3d926..11ee730 100644
--- a/msg.c
+++ b/msg.c
@@ -126,7 +126,7 @@ static int suffix_post_recv(uint8_t *ptr, int len, struct
tlv_extra *last)
if (!ptr)
return 0;
- for (cnt = 0; len > sizeof(struct TLV); cnt++) {
+ for (cnt = 0; len >= sizeof(struct TLV); cnt++) {
tlv = (struct TLV *) ptr;
tlv->type = ntohs(tlv->type);
tlv->length = ntohs(tlv->length);
--
2.11.0
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