X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/7885cfa165458a05ef818c34ee03affc79f03725..d9acf8cb11e30b7d7744cb0dd05e628109cb73f0:/print-enc.c

diff --git a/print-enc.c b/print-enc.c
index aeacd6c6..928b02c8 100644
--- a/print-enc.c
+++ b/print-enc.c
@@ -29,6 +29,7 @@
 
 #include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
 #include "extract.h"
 #include "af.h"
@@ -80,9 +81,9 @@ struct enchdr {
 	nd_uint32_t flags;
 };
 
-#define ENC_PRINT_TYPE(wh, xf, nam) \
+#define ENC_PRINT_TYPE(wh, xf, name) \
 	if ((wh) & (xf)) { \
-		ND_PRINT("%s%s", nam, (wh) == (xf) ? "): " : ","); \
+		ND_PRINT("%s%s", name, (wh) == (xf) ? "): " : ","); \
 		(wh) &= ~(xf); \
 	}
 
@@ -99,17 +100,12 @@ enc_if_print(netdissect_options *ndo,
              const struct pcap_pkthdr *h, const u_char *p)
 {
 	u_int length = h->len;
-	u_int caplen = h->caplen;
 	u_int af, flags;
 	const struct enchdr *hdr;
 
 	ndo->ndo_protocol = "enc";
-	if (caplen < ENC_HDRLEN) {
-		ndo->ndo_ll_header_length += caplen;
-		nd_print_trunc(ndo);
-		return;
-	}
-	ndo->ndo_ll_header_length += ENC_HDRLEN;
+	ND_TCHECK_LEN(p, ENC_HDRLEN);
+	ndo->ndo_ll_hdr_len += ENC_HDRLEN;
 
 	hdr = (const struct enchdr *)p;
 	/*
@@ -147,7 +143,6 @@ enc_if_print(netdissect_options *ndo,
 	ND_PRINT("SPI 0x%08x: ", GET_BE_U_4(hdr->spi));
 
 	length -= ENC_HDRLEN;
-	caplen -= ENC_HDRLEN;
 	p += ENC_HDRLEN;
 
 	switch (af) {
@@ -160,6 +155,4 @@ enc_if_print(netdissect_options *ndo,
 		ip6_print(ndo, p, length);
 		break;
 	}
-
-	return;
 }