diff options
| author | Francois-Xavier Le Bail <devel.fx.lebail@orange.fr> | 2018-03-01 14:04:56 +0100 |
|---|---|---|
| committer | Francois-Xavier Le Bail <devel.fx.lebail@orange.fr> | 2018-03-01 16:39:59 +0100 |
| commit | f86fd5a6747c86e1c823c71949efe46b9146d138 (patch) | |
| tree | ebf8832d4cc8fa1979d8048eeb6a2eca701cb7cf /print-udp.c | |
| parent | ad69daa2e4cf9ce6789295bd7f55a55ac4d9d0b2 (diff) | |
| download | tcpdump-f86fd5a6747c86e1c823c71949efe46b9146d138.tar.gz | |
UDP: Fix the uses of the pointer to the end of current packet
Must be based on packet header caplen.
Diffstat (limited to 'print-udp.c')
| -rw-r--r-- | print-udp.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/print-udp.c b/print-udp.c index 2bb5eac5..8c558cf5 100644 --- a/print-udp.c +++ b/print-udp.c @@ -386,12 +386,10 @@ udp_print(netdissect_options *ndo, const u_char *bp, u_int length, const struct udphdr *up; const struct ip *ip; const u_char *cp; - const u_char *ep = bp + length; + const u_char *ep = ndo->ndo_snapend; uint16_t sport, dport, ulen; const struct ip6_hdr *ip6; - if (ep > ndo->ndo_snapend) - ep = ndo->ndo_snapend; up = (const struct udphdr *)bp; ip = (const struct ip *)bp2; if (IP_V(ip) == 6) |