Description: Catch frames with a capture length bigger than the buffer
Author: Christoph Biedl <debian.axhn@manchmal.in-ulm.de>
Bug: https://github.com/appneta/tcpreplay/issues/405
Last-Update: 2017-06-12

--- a/src/tcpcapinfo.c
+++ b/src/tcpcapinfo.c
@@ -306,6 +306,14 @@
                 last_usec = pcap_ph.ts.tv_usec;
             }
 
+            if (caplen > 10000) {
+                printf("\n\nCapture file appears to be damaged or corrupt.\n"
+                        "Contains packet of size %u, bigger than buffer length %u\n",
+                        caplen, 10000);
+                close(fd);
+                break;
+            }
+
             /* read the frame */
             maxread = min((size_t)caplen, sizeof(buf));
             if ((ret = read(fd, &buf, maxread)) != maxread) {