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| author | Denis Ovsienko <denis@ovsienko.info> | 2021-01-17 23:11:19 +0000 |
|---|---|---|
| committer | Denis Ovsienko <denis@ovsienko.info> | 2021-01-17 23:11:19 +0000 |
| commit | cfa9ab5f80dd9a1024e1a765bc0d24c57652b6bc (patch) | |
| tree | 32c0276c0fca1f8d43806acb479ab3dc787864cc /print-udp.c | |
| parent | 0a5824b49bedcc218b58684a7413242377c88ae0 (diff) | |
| download | tcpdump-cfa9ab5f80dd9a1024e1a765bc0d24c57652b6bc.tar.gz | |
Try the new ND_LCHECK*() macros. [skip ci]
Diffstat (limited to 'print-udp.c')
| -rw-r--r-- | print-udp.c | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/print-udp.c b/print-udp.c index b315f1e7..fc0710d6 100644 --- a/print-udp.c +++ b/print-udp.c @@ -369,10 +369,7 @@ udp_print(netdissect_options *ndo, const u_char *bp, u_int length, if (ndo->ndo_packettype != PT_RPC) udpipaddr_print(ndo, ip, sport, dport); - if (length < sizeof(struct udphdr)) { - ND_PRINT("undersized-udp %u", length); - goto invalid; - } + ND_LCHECKMSG_ZU(length, sizeof(struct udphdr), "undersized-udp"); ulen = GET_BE_U_2(up->uh_ulen); udp_sum = GET_BE_U_2(up->uh_sum); /* @@ -382,10 +379,7 @@ udp_print(netdissect_options *ndo, const u_char *bp, u_int length, */ if (ulen == 0 && length > 65535) ulen = length; - if (ulen < sizeof(struct udphdr)) { - ND_PRINT("undersized-udplength %u", ulen); - goto invalid; - } + ND_LCHECKMSG_ZU(ulen, sizeof(struct udphdr), "undersized-udplength"); ulen -= sizeof(struct udphdr); length -= sizeof(struct udphdr); if (ulen < length) |