Report where too small packets are from in radsniff

Author: ndptech

src/bin/radsniff.c

@@ -1330,8 +1330,11 @@ static void rs_packet_process(uint64_t count, rs_event_t *event, struct pcap_pkt
 	 */
 	len = (p - data) + sizeof(udp_header_t) + RADIUS_HEADER_LENGTH;	/* length value */
 	if ((size_t) len > header->caplen) {
-		REDEBUG("Packet too small, we require at least %zu bytes, captured %i bytes",
-			(size_t) len, header->caplen);
+		char src[INET6_ADDRSTRLEN];
+		inet_ntop(version == 4 ? AF_INET : AF_INET6,
+			  version == 4 ? (void const *)&ip->ip_src.s_addr : (void const *)&ip6->ip_src, src, sizeof(src));
+		REDEBUG("Packet from %s too small, we require at least %zu bytes, captured %i bytes",
+			src, (size_t) len, header->caplen);
 		return;
 	}
 
@@ -1347,8 +1350,11 @@ static void rs_packet_process(uint64_t count, rs_event_t *event, struct pcap_pkt
 		actual_len = header->caplen - (p - data);
 		/* Truncated data */
 		if (udp_len > actual_len) {
-			REDEBUG("Packet too small by %zi bytes, UDP header + Payload should be %hu bytes",
-				udp_len - actual_len, udp_len);
+			char src[INET6_ADDRSTRLEN];
+			inet_ntop(version == 4 ? AF_INET : AF_INET6,
+				  version == 4 ? (void const *)&ip->ip_src.s_addr : (void const *)&ip6->ip_src, src, sizeof(src));
+			REDEBUG("Packet from %s too small by %zi bytes, UDP header + Payload should be %hu bytes",
+				src, udp_len - actual_len, udp_len);
 			return;
 		}