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-rw-r--r--contrib/tcpdump/print-lwres.c126
1 files changed, 64 insertions, 62 deletions
diff --git a/contrib/tcpdump/print-lwres.c b/contrib/tcpdump/print-lwres.c
index 82ec5ae..5272d439 100644
--- a/contrib/tcpdump/print-lwres.c
+++ b/contrib/tcpdump/print-lwres.c
@@ -28,18 +28,15 @@
*/
#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-lwres.c,v 1.5 2001/06/26 06:19:05 guy Exp $ (LBL)";
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-lwres.c,v 1.10.2.3 2004/03/24 01:54:58 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <sys/param.h>
-#include <sys/time.h>
-
-#include <netinet/in.h>
+#include <tcpdump-stdinc.h>
#include "nameser.h"
@@ -199,7 +196,7 @@ static int
lwres_printname(size_t l, const char *p0)
{
const char *p;
- int i;
+ size_t i;
p = p0;
/* + 1 for terminating \0 */
@@ -265,25 +262,28 @@ lwres_printaddr(lwres_addr_t *ap)
int i;
TCHECK(ap->length);
- l = ntohs(ap->length);
+ l = EXTRACT_16BITS(&ap->length);
/* XXX ap points to packed struct */
p = (const char *)&ap->length + sizeof(ap->length);
- if (p + l > (const char *)snapend)
- goto trunc;
+ TCHECK2(*p, l);
- switch (ntohl(ap->family)) {
+ switch (EXTRACT_32BITS(&ap->family)) {
case 1: /* IPv4 */
+ if (l < 4)
+ return -1;
printf(" %s", ipaddr_string(p));
p += sizeof(struct in_addr);
break;
#ifdef INET6
case 2: /* IPv6 */
+ if (l < 16)
+ return -1;
printf(" %s", ip6addr_string(p));
p += sizeof(struct in6_addr);
break;
#endif
default:
- printf(" %lu/", (unsigned long)ntohl(ap->family));
+ printf(" %u/", EXTRACT_32BITS(&ap->family));
for (i = 0; i < l; i++)
printf("%02x", *p++);
}
@@ -308,35 +308,35 @@ lwres_print(register const u_char *bp, u_int length)
TCHECK(np->authlength);
printf(" lwres");
- v = ntohs(np->version);
+ v = EXTRACT_16BITS(&np->version);
if (vflag || v != LWRES_LWPACKETVERSION_0)
printf(" v%u", v);
if (v != LWRES_LWPACKETVERSION_0) {
- s = (const char *)np + ntohl(np->length);
+ s = (const char *)np + EXTRACT_32BITS(&np->length);
goto tail;
}
- response = ntohs(np->pktflags) & LWRES_LWPACKETFLAG_RESPONSE;
+ response = EXTRACT_16BITS(&np->pktflags) & LWRES_LWPACKETFLAG_RESPONSE;
/* opcode and pktflags */
- v = (u_int32_t)ntohl(np->opcode);
+ v = EXTRACT_32BITS(&np->opcode);
s = tok2str(opcode, "#0x%x", v);
printf(" %s%s", s, response ? "" : "?");
/* pktflags */
- v = ntohs(np->pktflags);
+ v = EXTRACT_16BITS(&np->pktflags);
if (v & ~LWRES_LWPACKETFLAG_RESPONSE)
printf("[0x%x]", v);
if (vflag > 1) {
printf(" ("); /*)*/
- printf("serial:0x%lx", (unsigned long)ntohl(np->serial));
- printf(" result:0x%lx", (unsigned long)ntohl(np->result));
- printf(" recvlen:%lu", (unsigned long)ntohl(np->recvlength));
+ printf("serial:0x%x", EXTRACT_32BITS(&np->serial));
+ printf(" result:0x%x", EXTRACT_32BITS(&np->result));
+ printf(" recvlen:%u", EXTRACT_32BITS(&np->recvlength));
/* BIND910: not used */
if (vflag > 2) {
- printf(" authtype:0x%x", ntohs(np->authtype));
- printf(" authlen:%u", ntohs(np->authlength));
+ printf(" authtype:0x%x", EXTRACT_16BITS(&np->authtype));
+ printf(" authlen:%u", EXTRACT_16BITS(&np->authlength));
}
/*(*/
printf(")");
@@ -356,7 +356,7 @@ lwres_print(register const u_char *bp, u_int length)
gnba = NULL;
grbn = NULL;
- switch (ntohl(np->opcode)) {
+ switch (EXTRACT_32BITS(&np->opcode)) {
case LWRES_OPCODE_NOOP:
break;
case LWRES_OPCODE_GETADDRSBYNAME:
@@ -365,15 +365,15 @@ lwres_print(register const u_char *bp, u_int length)
/* XXX gabn points to packed struct */
s = (const char *)&gabn->namelen +
sizeof(gabn->namelen);
- l = ntohs(gabn->namelen);
+ l = EXTRACT_16BITS(&gabn->namelen);
/* BIND910: not used */
if (vflag > 2) {
- printf(" flags:0x%lx",
- (unsigned long)ntohl(gabn->flags));
+ printf(" flags:0x%x",
+ EXTRACT_32BITS(&gabn->flags));
}
- v = (u_int32_t)ntohl(gabn->addrtypes);
+ v = EXTRACT_32BITS(&gabn->addrtypes);
switch (v & (LWRES_ADDRTYPE_V4 | LWRES_ADDRTYPE_V6)) {
case LWRES_ADDRTYPE_V4:
printf(" IPv4");
@@ -399,8 +399,8 @@ lwres_print(register const u_char *bp, u_int length)
/* BIND910: not used */
if (vflag > 2) {
- printf(" flags:0x%lx",
- (unsigned long)ntohl(gnba->flags));
+ printf(" flags:0x%x",
+ EXTRACT_32BITS(&gnba->flags));
}
s = (const char *)&gnba->addr;
@@ -417,20 +417,21 @@ lwres_print(register const u_char *bp, u_int length)
/* BIND910: not used */
if (vflag > 2) {
- printf(" flags:0x%lx",
- (unsigned long)ntohl(grbn->flags));
+ printf(" flags:0x%x",
+ EXTRACT_32BITS(&grbn->flags));
}
printf(" %s", tok2str(ns_type2str, "Type%d",
- ntohs(grbn->rdtype)));
- if (ntohs(grbn->rdclass) != C_IN);
+ EXTRACT_16BITS(&grbn->rdtype)));
+ if (EXTRACT_16BITS(&grbn->rdclass) != C_IN) {
printf(" %s", tok2str(ns_class2str, "Class%d",
- ntohs(grbn->rdclass)));
+ EXTRACT_16BITS(&grbn->rdclass)));
+ }
/* XXX grbn points to packed struct */
s = (const char *)&grbn->namelen +
sizeof(grbn->namelen);
- l = ntohs(gabn->namelen);
+ l = EXTRACT_16BITS(&grbn->namelen);
advance = lwres_printname(l, s);
if (advance < 0)
@@ -449,13 +450,13 @@ lwres_print(register const u_char *bp, u_int length)
lwres_gnbaresponse_t *gnba;
lwres_grbnresponse_t *grbn;
u_int32_t l, na;
- int i;
+ u_int32_t i;
gabn = NULL;
gnba = NULL;
grbn = NULL;
- switch (ntohl(np->opcode)) {
+ switch (EXTRACT_32BITS(&np->opcode)) {
case LWRES_OPCODE_NOOP:
break;
case LWRES_OPCODE_GETADDRSBYNAME:
@@ -464,16 +465,16 @@ lwres_print(register const u_char *bp, u_int length)
/* XXX gabn points to packed struct */
s = (const char *)&gabn->realnamelen +
sizeof(gabn->realnamelen);
- l = ntohs(gabn->realnamelen);
+ l = EXTRACT_16BITS(&gabn->realnamelen);
/* BIND910: not used */
if (vflag > 2) {
- printf(" flags:0x%lx",
- (unsigned long)ntohl(gabn->flags));
+ printf(" flags:0x%x",
+ EXTRACT_32BITS(&gabn->flags));
}
- printf(" %u/%u", ntohs(gabn->naliases),
- ntohs(gabn->naddrs));
+ printf(" %u/%u", EXTRACT_16BITS(&gabn->naliases),
+ EXTRACT_16BITS(&gabn->naddrs));
advance = lwres_printname(l, s);
if (advance < 0)
@@ -481,7 +482,7 @@ lwres_print(register const u_char *bp, u_int length)
s += advance;
/* aliases */
- na = ntohs(gabn->naliases);
+ na = EXTRACT_16BITS(&gabn->naliases);
for (i = 0; i < na; i++) {
advance = lwres_printnamelen(s);
if (advance < 0)
@@ -490,7 +491,7 @@ lwres_print(register const u_char *bp, u_int length)
}
/* addrs */
- na = ntohs(gabn->naddrs);
+ na = EXTRACT_16BITS(&gabn->naddrs);
for (i = 0; i < na; i++) {
advance = lwres_printaddr((lwres_addr_t *)s);
if (advance < 0)
@@ -504,15 +505,15 @@ lwres_print(register const u_char *bp, u_int length)
/* XXX gnba points to packed struct */
s = (const char *)&gnba->realnamelen +
sizeof(gnba->realnamelen);
- l = ntohs(gnba->realnamelen);
+ l = EXTRACT_16BITS(&gnba->realnamelen);
/* BIND910: not used */
if (vflag > 2) {
- printf(" flags:0x%lx",
- (unsigned long)ntohl(gnba->flags));
+ printf(" flags:0x%x",
+ EXTRACT_32BITS(&gnba->flags));
}
- printf(" %u", ntohs(gnba->naliases));
+ printf(" %u", EXTRACT_16BITS(&gnba->naliases));
advance = lwres_printname(l, s);
if (advance < 0)
@@ -520,7 +521,7 @@ lwres_print(register const u_char *bp, u_int length)
s += advance;
/* aliases */
- na = ntohs(gnba->naliases);
+ na = EXTRACT_16BITS(&gnba->naliases);
for (i = 0; i < na; i++) {
advance = lwres_printnamelen(s);
if (advance < 0)
@@ -535,19 +536,20 @@ lwres_print(register const u_char *bp, u_int length)
/* BIND910: not used */
if (vflag > 2) {
- printf(" flags:0x%lx",
- (unsigned long)ntohl(grbn->flags));
+ printf(" flags:0x%x",
+ EXTRACT_32BITS(&grbn->flags));
}
printf(" %s", tok2str(ns_type2str, "Type%d",
- ntohs(grbn->rdtype)));
- if (ntohs(grbn->rdclass) != C_IN);
+ EXTRACT_16BITS(&grbn->rdtype)));
+ if (EXTRACT_16BITS(&grbn->rdclass) != C_IN) {
printf(" %s", tok2str(ns_class2str, "Class%d",
- ntohs(grbn->rdclass)));
+ EXTRACT_16BITS(&grbn->rdclass)));
+ }
printf(" TTL ");
- relts_print(ntohl(grbn->ttl));
- printf(" %u/%u", ntohs(grbn->nrdatas),
- ntohs(grbn->nsigs));
+ relts_print(EXTRACT_32BITS(&grbn->ttl));
+ printf(" %u/%u", EXTRACT_16BITS(&grbn->nrdatas),
+ EXTRACT_16BITS(&grbn->nsigs));
/* XXX grbn points to packed struct */
s = (const char *)&grbn->nsigs+ sizeof(grbn->nsigs);
@@ -558,7 +560,7 @@ lwres_print(register const u_char *bp, u_int length)
s += advance;
/* rdatas */
- na = ntohs(grbn->nrdatas);
+ na = EXTRACT_16BITS(&grbn->nrdatas);
for (i = 0; i < na; i++) {
/* XXX should decode resource data */
advance = lwres_printbinlen(s);
@@ -568,7 +570,7 @@ lwres_print(register const u_char *bp, u_int length)
}
/* sigs */
- na = ntohs(grbn->nsigs);
+ na = EXTRACT_16BITS(&grbn->nsigs);
for (i = 0; i < na; i++) {
/* XXX how should we print it? */
advance = lwres_printbinlen(s);
@@ -585,11 +587,11 @@ lwres_print(register const u_char *bp, u_int length)
tail:
/* length mismatch */
- if (ntohl(np->length) != length) {
- printf(" [len: %lu != %u]", (unsigned long)ntohl(np->length),
+ if (EXTRACT_32BITS(&np->length) != length) {
+ printf(" [len: %u != %u]", EXTRACT_32BITS(&np->length),
length);
}
- if (!unsupported && s < (const char *)np + ntohl(np->length))
+ if (!unsupported && s < (const char *)np + EXTRACT_32BITS(&np->length))
printf("[extra]");
return;
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