[bgpgrep/bgpgrep_vmfunc] Make -loops check for appropriate BGP message type

2021-06-08 23:50:38 +02:00 · 2021-06-08 23:50:38 +02:00 · 609620c058
parent 85c59f7514
commit 609620c058
1 changed files with 4 additions and 0 deletions
--- a/tools/bgpgrep/bgpgrep_vmfunc.c
+++ b/tools/bgpgrep/bgpgrep_vmfunc.c
@ -174,6 +174,10 @@ void BgpgrepF_FindAsLoops(Bgpvm *vm)
 	Asntree t;
 	Asn     asn;

+	const Bgphdr *hdr = BGP_HDR(vm->msg);
+	if (hdr->type != BGP_UPDATE)
+		goto nomatch;
+
 	Sint32  pos = 0;
 	Boolean foundLoop = FALSE;