* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#define NETDISSECT_REWORKED
+/* \summary: UDP printer */
+
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
#include "appletalk.h"
#include "udp.h"
#include "ip.h"
-#ifdef INET6
#include "ip6.h"
-#endif
#include "ipproto.h"
#include "rpc_auth.h"
#include "rpc_msg.h"
-#include "nameser.h"
#include "nfs.h"
+
struct rtcphdr {
- uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
- uint16_t rh_len; /* length of message (in words) */
- uint32_t rh_ssrc; /* synchronization src id */
+ nd_uint16_t rh_flags; /* T:2 P:1 CNT:5 PT:8 */
+ nd_uint16_t rh_len; /* length of message (in words) */
+ nd_uint32_t rh_ssrc; /* synchronization src id */
};
typedef struct {
- uint32_t upper; /* more significant 32 bits */
- uint32_t lower; /* less significant 32 bits */
+ nd_uint32_t upper; /* more significant 32 bits */
+ nd_uint32_t lower; /* less significant 32 bits */
} ntp64;
/*
* Sender report.
*/
struct rtcp_sr {
- ntp64 sr_ntp; /* 64-bit ntp timestamp */
- uint32_t sr_ts; /* reference media timestamp */
- uint32_t sr_np; /* no. packets sent */
- uint32_t sr_nb; /* no. bytes sent */
+ ntp64 sr_ntp; /* 64-bit ntp timestamp */
+ nd_uint32_t sr_ts; /* reference media timestamp */
+ nd_uint32_t sr_np; /* no. packets sent */
+ nd_uint32_t sr_nb; /* no. bytes sent */
};
/*
* Time stamps are middle 32-bits of ntp timestamp.
*/
struct rtcp_rr {
- uint32_t rr_srcid; /* sender being reported */
- uint32_t rr_nl; /* no. packets lost */
- uint32_t rr_ls; /* extended last seq number received */
- uint32_t rr_dv; /* jitter (delay variance) */
- uint32_t rr_lsr; /* orig. ts from last rr from this src */
- uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */
+ nd_uint32_t rr_srcid; /* sender being reported */
+ nd_uint32_t rr_nl; /* no. packets lost */
+ nd_uint32_t rr_ls; /* extended last seq number received */
+ nd_uint32_t rr_dv; /* jitter (delay variance) */
+ nd_uint32_t rr_lsr; /* orig. ts from last rr from this src */
+ nd_uint32_t rr_dlsr; /* time from recpt of last rr to xmit time */
};
/*XXX*/
#define RTCP_PT_APP 204
static void
-vat_print(netdissect_options *ndo, const void *hdr, register const struct udphdr *up)
+vat_print(netdissect_options *ndo, const void *hdr, u_int length)
{
/* vat/vt audio */
- u_int ts = *(uint16_t *)hdr;
+ u_int ts;
+
+ ndo->ndo_protocol = "vat";
+ if (length < 2) {
+ ND_PRINT("udp/va/vat, length %u < 2", length);
+ return;
+ }
+ ND_TCHECK_2((const u_int *)hdr);
+ ts = EXTRACT_BE_U_2(hdr);
if ((ts & 0xf060) != 0) {
/* probably vt */
- ND_PRINT((ndo, "udp/vt %u %d / %d",
- (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up)),
- ts & 0x3ff, ts >> 10));
+ ND_PRINT("udp/vt %u %u / %u",
+ length,
+ ts & 0x3ff, ts >> 10);
} else {
/* probably vat */
- uint32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
- uint32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
- ND_PRINT((ndo, "udp/vat %u c%d %u%s",
- (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
+ uint32_t i0, i1;
+
+ if (length < 8) {
+ ND_PRINT("udp/vat, length %u < 8", length);
+ return;
+ }
+ ND_TCHECK_4(&((const u_int *)hdr)[0]);
+ i0 = EXTRACT_BE_U_4(&((const u_int *)hdr)[0]);
+ ND_TCHECK_4(&((const u_int *)hdr)[1]);
+ i1 = EXTRACT_BE_U_4(&((const u_int *)hdr)[1]);
+ ND_PRINT("udp/vat %u c%u %u%s",
+ length - 8,
i0 & 0xffff,
- i1, i0 & 0x800000? "*" : ""));
+ i1, i0 & 0x800000? "*" : "");
/* audio format */
if (i0 & 0x1f0000)
- ND_PRINT((ndo, " f%d", (i0 >> 16) & 0x1f));
+ ND_PRINT(" f%u", (i0 >> 16) & 0x1f);
if (i0 & 0x3f000000)
- ND_PRINT((ndo, " s%d", (i0 >> 24) & 0x3f));
+ ND_PRINT(" s%u", (i0 >> 24) & 0x3f);
}
+ return;
+
+trunc:
+ nd_print_trunc(ndo);
}
static void
-rtp_print(netdissect_options *ndo, const void *hdr, u_int len,
- register const struct udphdr *up)
+rtp_print(netdissect_options *ndo, const void *hdr, u_int len)
{
/* rtp v1 or v2 */
- u_int *ip = (u_int *)hdr;
- u_int hasopt, hasext, contype, hasmarker;
- uint32_t i0 = EXTRACT_32BITS(&((u_int *)hdr)[0]);
- uint32_t i1 = EXTRACT_32BITS(&((u_int *)hdr)[1]);
- u_int dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
+ const u_int *ip = (const u_int *)hdr;
+ u_int hasopt, hasext, contype, hasmarker, dlen;
+ uint32_t i0, i1;
const char * ptype;
+ ndo->ndo_protocol = "rtp";
+ if (len < 8) {
+ ND_PRINT("udp/rtp, length %u < 8", len);
+ return;
+ }
+ ND_TCHECK_4(&((const u_int *)hdr)[0]);
+ i0 = EXTRACT_BE_U_4(&((const u_int *)hdr)[0]);
+ ND_TCHECK_4(&((const u_int *)hdr)[1]);
+ i1 = EXTRACT_BE_U_4(&((const u_int *)hdr)[1]);
+ dlen = len - 8;
ip += 2;
len >>= 2;
len -= 2;
hasopt = 0;
hasext = 0;
if ((i0 >> 30) == 1) {
- /* rtp v1 */
+ /* rtp v1 - draft-ietf-avt-rtp-04 */
hasopt = i0 & 0x800000;
contype = (i0 >> 16) & 0x3f;
hasmarker = i0 & 0x400000;
ptype = "rtpv1";
} else {
- /* rtp v2 */
+ /* rtp v2 - RFC 3550 */
+ if (dlen < 4) {
+ ND_PRINT("udp/rtp, length %u < 12", dlen + 8);
+ return;
+ }
hasext = i0 & 0x10000000;
contype = (i0 >> 16) & 0x7f;
hasmarker = i0 & 0x800000;
ip += 1;
len -= 1;
}
- ND_PRINT((ndo, "udp/%s %d c%d %s%s %d %u",
+ ND_PRINT("udp/%s %u c%u %s%s %u %u",
ptype,
dlen,
contype,
(hasopt || hasext)? "+" : "",
hasmarker? "*" : "",
i0 & 0xffff,
- i1));
+ i1);
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, " %u", EXTRACT_32BITS(&((u_int *)hdr)[2])));
+ ND_TCHECK_4(&((const u_int *)hdr)[2]);
+ ND_PRINT(" %u", EXTRACT_BE_U_4(&((const u_int *)hdr)[2]));
if (hasopt) {
u_int i2, optlen;
do {
- i2 = ip[0];
+ ND_TCHECK_4(ip);
+ i2 = EXTRACT_BE_U_4(ip);
optlen = (i2 >> 16) & 0xff;
if (optlen == 0 || optlen > len) {
- ND_PRINT((ndo, " !opt"));
+ ND_PRINT(" !opt");
return;
}
ip += optlen;
}
if (hasext) {
u_int i2, extlen;
- i2 = ip[0];
+ ND_TCHECK_4(ip);
+ i2 = EXTRACT_BE_U_4(ip);
extlen = (i2 & 0xffff) + 1;
if (extlen > len) {
- ND_PRINT((ndo, " !ext"));
+ ND_PRINT(" !ext");
return;
}
ip += extlen;
}
+ ND_TCHECK_4(ip);
if (contype == 0x1f) /*XXX H.261 */
- ND_PRINT((ndo, " 0x%04x", ip[0] >> 16));
+ ND_PRINT(" 0x%04x", EXTRACT_BE_U_4(ip) >> 16);
}
+ return;
+
+trunc:
+ nd_print_trunc(ndo);
}
static const u_char *
rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep)
{
/* rtp v2 control (rtcp) */
- struct rtcp_rr *rr = 0;
- struct rtcp_sr *sr;
- struct rtcphdr *rh = (struct rtcphdr *)hdr;
+ const struct rtcp_rr *rr = 0;
+ const struct rtcp_sr *sr;
+ const struct rtcphdr *rh = (const struct rtcphdr *)hdr;
u_int len;
uint16_t flags;
- int cnt;
+ u_int cnt;
double ts, dts;
- if ((u_char *)(rh + 1) > ep) {
- ND_PRINT((ndo, " [|rtcp]"));
- return (ep);
- }
- len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
- flags = EXTRACT_16BITS(&rh->rh_flags);
+
+ ndo->ndo_protocol = "rtcp";
+ if ((const u_char *)(rh + 1) > ep)
+ goto trunc;
+ ND_TCHECK_SIZE(rh);
+ len = (EXTRACT_BE_U_2(rh->rh_len) + 1) * 4;
+ flags = EXTRACT_BE_U_2(rh->rh_flags);
cnt = (flags >> 8) & 0x1f;
switch (flags & 0xff) {
case RTCP_PT_SR:
- sr = (struct rtcp_sr *)(rh + 1);
- ND_PRINT((ndo, " sr"));
+ sr = (const struct rtcp_sr *)(rh + 1);
+ ND_PRINT(" sr");
if (len != cnt * sizeof(*rr) + sizeof(*sr) + sizeof(*rh))
- ND_PRINT((ndo, " [%d]", len));
+ ND_PRINT(" [%u]", len);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
- if ((u_char *)(sr + 1) > ep) {
- ND_PRINT((ndo, " [|rtcp]"));
- return (ep);
- }
- ts = (double)(EXTRACT_32BITS(&sr->sr_ntp.upper)) +
- ((double)(EXTRACT_32BITS(&sr->sr_ntp.lower)) /
- 4294967296.0);
- ND_PRINT((ndo, " @%.2f %u %up %ub", ts, EXTRACT_32BITS(&sr->sr_ts),
- EXTRACT_32BITS(&sr->sr_np), EXTRACT_32BITS(&sr->sr_nb)));
- rr = (struct rtcp_rr *)(sr + 1);
+ ND_PRINT(" %u", EXTRACT_BE_U_4(rh->rh_ssrc));
+ if ((const u_char *)(sr + 1) > ep)
+ goto trunc;
+ ND_TCHECK_SIZE(sr);
+ ts = (double)(EXTRACT_BE_U_4(sr->sr_ntp.upper)) +
+ ((double)(EXTRACT_BE_U_4(sr->sr_ntp.lower)) /
+ 4294967296.0);
+ ND_PRINT(" @%.2f %u %up %ub", ts, EXTRACT_BE_U_4(sr->sr_ts),
+ EXTRACT_BE_U_4(sr->sr_np), EXTRACT_BE_U_4(sr->sr_nb));
+ rr = (const struct rtcp_rr *)(sr + 1);
break;
case RTCP_PT_RR:
- ND_PRINT((ndo, " rr"));
+ ND_PRINT(" rr");
if (len != cnt * sizeof(*rr) + sizeof(*rh))
- ND_PRINT((ndo, " [%d]", len));
- rr = (struct rtcp_rr *)(rh + 1);
+ ND_PRINT(" [%u]", len);
+ rr = (const struct rtcp_rr *)(rh + 1);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
+ ND_PRINT(" %u", EXTRACT_BE_U_4(rh->rh_ssrc));
break;
case RTCP_PT_SDES:
- ND_PRINT((ndo, " sdes %d", len));
+ ND_PRINT(" sdes %u", len);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
+ ND_PRINT(" %u", EXTRACT_BE_U_4(rh->rh_ssrc));
cnt = 0;
break;
case RTCP_PT_BYE:
- ND_PRINT((ndo, " bye %d", len));
+ ND_PRINT(" bye %u", len);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rh->rh_ssrc)));
+ ND_PRINT(" %u", EXTRACT_BE_U_4(rh->rh_ssrc));
cnt = 0;
break;
default:
- ND_PRINT((ndo, " type-0x%x %d", flags & 0xff, len));
+ ND_PRINT(" type-0x%x %u", flags & 0xff, len);
cnt = 0;
break;
}
if (cnt > 1)
- ND_PRINT((ndo, " c%d", cnt));
- while (--cnt >= 0) {
- if ((u_char *)(rr + 1) > ep) {
- ND_PRINT((ndo, " [|rtcp]"));
- return (ep);
- }
+ ND_PRINT(" c%u", cnt);
+ while (cnt != 0) {
+ if ((const u_char *)(rr + 1) > ep)
+ goto trunc;
+ ND_TCHECK_SIZE(rr);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " %u", EXTRACT_32BITS(&rr->rr_srcid)));
- ts = (double)(EXTRACT_32BITS(&rr->rr_lsr)) / 65536.;
- dts = (double)(EXTRACT_32BITS(&rr->rr_dlsr)) / 65536.;
- ND_PRINT((ndo, " %ul %us %uj @%.2f+%.2f",
- EXTRACT_32BITS(&rr->rr_nl) & 0x00ffffff,
- EXTRACT_32BITS(&rr->rr_ls),
- EXTRACT_32BITS(&rr->rr_dv), ts, dts));
+ ND_PRINT(" %u", EXTRACT_BE_U_4(rr->rr_srcid));
+ ts = (double)(EXTRACT_BE_U_4(rr->rr_lsr)) / 65536.;
+ dts = (double)(EXTRACT_BE_U_4(rr->rr_dlsr)) / 65536.;
+ ND_PRINT(" %ul %us %uj @%.2f+%.2f",
+ EXTRACT_BE_U_4(rr->rr_nl) & 0x00ffffff,
+ EXTRACT_BE_U_4(rr->rr_ls),
+ EXTRACT_BE_U_4(rr->rr_dv), ts, dts);
+ cnt--;
}
return (hdr + len);
+
+trunc:
+ nd_print_trunc(ndo);
+ return ep;
}
-static int udp_cksum(netdissect_options *ndo, register const struct ip *ip,
- register const struct udphdr *up,
- register u_int len)
+static int udp_cksum(netdissect_options *ndo, const struct ip *ip,
+ const struct udphdr *up,
+ u_int len)
{
- return nextproto4_cksum(ndo, ip, (const uint8_t *)(void *)up, len, len,
+ return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len,
IPPROTO_UDP);
}
-#ifdef INET6
-static int udp6_cksum(const struct ip6_hdr *ip6, const struct udphdr *up,
- u_int len)
+static int udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6,
+ const struct udphdr *up, u_int len)
{
- return nextproto6_cksum(ip6, (const uint8_t *)(void *)up, len, len,
- IPPROTO_UDP);
+ return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len,
+ IPPROTO_UDP);
}
-#endif
static void
udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport)
{
-#ifdef INET6
const struct ip6_hdr *ip6;
if (IP_V(ip) == 6)
ip6 = NULL;
if (ip6) {
- if (ip6->ip6_nxt == IPPROTO_UDP) {
+ if (EXTRACT_U_1(ip6->ip6_nxt) == IPPROTO_UDP) {
if (sport == -1) {
- ND_PRINT((ndo, "%s > %s: ",
- ip6addr_string(ndo, &ip6->ip6_src),
- ip6addr_string(ndo, &ip6->ip6_dst)));
+ ND_PRINT("%s > %s: ",
+ ip6addr_string(ndo, ip6->ip6_src),
+ ip6addr_string(ndo, ip6->ip6_dst));
} else {
- ND_PRINT((ndo, "%s.%s > %s.%s: ",
- ip6addr_string(ndo, &ip6->ip6_src),
- udpport_string(sport),
- ip6addr_string(ndo, &ip6->ip6_dst),
- udpport_string(dport)));
+ ND_PRINT("%s.%s > %s.%s: ",
+ ip6addr_string(ndo, ip6->ip6_src),
+ udpport_string(ndo, sport),
+ ip6addr_string(ndo, ip6->ip6_dst),
+ udpport_string(ndo, dport));
}
} else {
if (sport != -1) {
- ND_PRINT((ndo, "%s > %s: ",
- udpport_string(sport),
- udpport_string(dport)));
+ ND_PRINT("%s > %s: ",
+ udpport_string(ndo, sport),
+ udpport_string(ndo, dport));
}
}
- } else
-#endif /*INET6*/
- {
- if (ip->ip_p == IPPROTO_UDP) {
+ } else {
+ if (EXTRACT_U_1(ip->ip_p) == IPPROTO_UDP) {
if (sport == -1) {
- ND_PRINT((ndo, "%s > %s: ",
- ipaddr_string(ndo, &ip->ip_src),
- ipaddr_string(ndo, &ip->ip_dst)));
+ ND_PRINT("%s > %s: ",
+ ipaddr_string(ndo, ip->ip_src),
+ ipaddr_string(ndo, ip->ip_dst));
} else {
- ND_PRINT((ndo, "%s.%s > %s.%s: ",
- ipaddr_string(ndo, &ip->ip_src),
- udpport_string(sport),
- ipaddr_string(ndo, &ip->ip_dst),
- udpport_string(dport)));
+ ND_PRINT("%s.%s > %s.%s: ",
+ ipaddr_string(ndo, ip->ip_src),
+ udpport_string(ndo, sport),
+ ipaddr_string(ndo, ip->ip_dst),
+ udpport_string(ndo, dport));
}
} else {
if (sport != -1) {
- ND_PRINT((ndo, "%s > %s: ",
- udpport_string(sport),
- udpport_string(dport)));
+ ND_PRINT("%s > %s: ",
+ udpport_string(ndo, sport),
+ udpport_string(ndo, dport));
}
}
}
}
void
-udp_print(netdissect_options *ndo, register const u_char *bp, u_int length,
- register const u_char *bp2, int fragmented)
+udp_print(netdissect_options *ndo, const u_char *bp, u_int length,
+ const u_char *bp2, int fragmented)
{
- register const struct udphdr *up;
- register const struct ip *ip;
- register const u_char *cp;
- register const u_char *ep = bp + length;
+ const struct udphdr *up;
+ const struct ip *ip;
+ const u_char *cp;
+ const u_char *ep = ndo->ndo_snapend;
uint16_t sport, dport, ulen;
-#ifdef INET6
- register const struct ip6_hdr *ip6;
-#endif
+ const struct ip6_hdr *ip6;
- if (ep > ndo->ndo_snapend)
- ep = ndo->ndo_snapend;
- up = (struct udphdr *)bp;
- ip = (struct ip *)bp2;
-#ifdef INET6
+ ndo->ndo_protocol = "udp";
+ up = (const struct udphdr *)bp;
+ ip = (const struct ip *)bp2;
if (IP_V(ip) == 6)
- ip6 = (struct ip6_hdr *)bp2;
+ ip6 = (const struct ip6_hdr *)bp2;
else
ip6 = NULL;
-#endif /*INET6*/
- if (!ND_TTEST(up->uh_dport)) {
+ if (!ND_TTEST_2(up->uh_dport)) {
udpipaddr_print(ndo, ip, -1, -1);
- ND_PRINT((ndo, "[|udp]"));
- return;
+ goto trunc;
}
- sport = EXTRACT_16BITS(&up->uh_sport);
- dport = EXTRACT_16BITS(&up->uh_dport);
+ sport = EXTRACT_BE_U_2(up->uh_sport);
+ dport = EXTRACT_BE_U_2(up->uh_dport);
if (length < sizeof(struct udphdr)) {
udpipaddr_print(ndo, ip, sport, dport);
- ND_PRINT((ndo, "truncated-udp %d", length));
+ ND_PRINT("truncated-udp %u", length);
return;
}
- ulen = EXTRACT_16BITS(&up->uh_ulen);
+ if (!ND_TTEST_2(up->uh_ulen)) {
+ udpipaddr_print(ndo, ip, sport, dport);
+ goto trunc;
+ }
+ ulen = EXTRACT_BE_U_2(up->uh_ulen);
if (ulen < sizeof(struct udphdr)) {
udpipaddr_print(ndo, ip, sport, dport);
- ND_PRINT((ndo, "truncated-udplength %d", ulen));
+ ND_PRINT("truncated-udplength %u", ulen);
return;
}
ulen -= sizeof(struct udphdr);
if (ulen < length)
length = ulen;
- cp = (u_char *)(up + 1);
+ cp = (const u_char *)(up + 1);
if (cp > ndo->ndo_snapend) {
udpipaddr_print(ndo, ip, sport, dport);
- ND_PRINT((ndo, "[|udp]"));
- return;
+ goto trunc;
}
if (ndo->ndo_packettype) {
- register struct sunrpc_msg *rp;
+ const struct sunrpc_msg *rp;
enum sunrpc_msg_type direction;
switch (ndo->ndo_packettype) {
case PT_VAT:
udpipaddr_print(ndo, ip, sport, dport);
- vat_print(ndo, (void *)(up + 1), up);
+ vat_print(ndo, (const void *)(up + 1), length);
break;
case PT_WB:
udpipaddr_print(ndo, ip, sport, dport);
- wb_print(ndo, (void *)(up + 1), length);
+ wb_print(ndo, (const u_char *)(up + 1), length);
break;
case PT_RPC:
- rp = (struct sunrpc_msg *)(up + 1);
- direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
+ rp = (const struct sunrpc_msg *)(up + 1);
+ ND_TCHECK_4(rp->rm_direction);
+ direction = (enum sunrpc_msg_type) EXTRACT_BE_U_4(rp->rm_direction);
if (direction == SUNRPC_CALL)
- sunrpcrequest_print(ndo, (u_char *)rp, length,
- (u_char *)ip);
+ sunrpc_print(ndo, (const u_char *)rp, length,
+ (const u_char *)ip);
else
- nfsreply_print(ndo, (u_char *)rp, length,
- (u_char *)ip); /*XXX*/
+ nfsreply_print(ndo, (const u_char *)rp, length,
+ (const u_char *)ip); /*XXX*/
break;
case PT_RTP:
udpipaddr_print(ndo, ip, sport, dport);
- rtp_print(ndo, (void *)(up + 1), length, up);
+ rtp_print(ndo, (const void *)(up + 1), length);
break;
case PT_RTCP:
case PT_AODV:
udpipaddr_print(ndo, ip, sport, dport);
aodv_print(ndo, (const u_char *)(up + 1), length,
-#ifdef INET6
ip6 != NULL);
-#else
- 0);
-#endif
break;
case PT_RADIUS:
udpipaddr_print(ndo, ip, sport, dport);
if (!ndo->ndo_qflag) {
- register struct sunrpc_msg *rp;
+ const struct sunrpc_msg *rp;
enum sunrpc_msg_type direction;
- rp = (struct sunrpc_msg *)(up + 1);
- if (ND_TTEST(rp->rm_direction)) {
- direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
+ rp = (const struct sunrpc_msg *)(up + 1);
+ if (ND_TTEST_4(rp->rm_direction)) {
+ direction = (enum sunrpc_msg_type) EXTRACT_BE_U_4(rp->rm_direction);
if (dport == NFS_PORT && direction == SUNRPC_CALL) {
- ND_PRINT((ndo, "NFS request xid %u ", EXTRACT_32BITS(&rp->rm_xid)));
- nfsreq_print_noaddr(ndo, (u_char *)rp, length,
- (u_char *)ip);
+ ND_PRINT("NFS request xid %u ",
+ EXTRACT_BE_U_4(rp->rm_xid));
+ nfsreq_noaddr_print(ndo, (const u_char *)rp, length,
+ (const u_char *)ip);
return;
}
if (sport == NFS_PORT && direction == SUNRPC_REPLY) {
- ND_PRINT((ndo, "NFS reply xid %u ", EXTRACT_32BITS(&rp->rm_xid)));
- nfsreply_print_noaddr(ndo, (u_char *)rp, length,
- (u_char *)ip);
+ ND_PRINT("NFS reply xid %u ",
+ EXTRACT_BE_U_4(rp->rm_xid));
+ nfsreply_noaddr_print(ndo, (const u_char *)rp, length,
+ (const u_char *)ip);
return;
}
#ifdef notdef
if (dport == SUNRPC_PORT && direction == SUNRPC_CALL) {
- sunrpcrequest_print((u_char *)rp, length, (u_char *)ip);
+ sunrpc_print((const u_char *)rp, length, (const u_char *)ip);
return;
}
#endif
}
- if (ND_TTEST(((struct LAP *)cp)->type) &&
- ((struct LAP *)cp)->type == lapDDP &&
- (atalk_port(sport) || atalk_port(dport))) {
- if (ndo->ndo_vflag)
- ND_PRINT((ndo, "kip "));
- llap_print(ndo, cp, length);
- return;
- }
}
if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) {
* TCP does, and we do so for UDP-over-IPv6.
*/
if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) {
- udp_sum = EXTRACT_16BITS(&up->uh_sum);
+ ND_TCHECK_2(up->uh_sum);
+ udp_sum = EXTRACT_BE_U_2(up->uh_sum);
if (udp_sum == 0) {
- ND_PRINT((ndo, "[no cksum] "));
- } else if (ND_TTEST2(cp[0], length)) {
+ ND_PRINT("[no cksum] ");
+ } else if (ND_TTEST_LEN(cp, length)) {
sum = udp_cksum(ndo, ip, up, length + sizeof(struct udphdr));
if (sum != 0) {
- ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
+ ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ",
udp_sum,
- in_cksum_shouldbe(udp_sum, sum)));
+ in_cksum_shouldbe(udp_sum, sum));
} else
- ND_PRINT((ndo, "[udp sum ok] "));
+ ND_PRINT("[udp sum ok] ");
}
}
-#ifdef INET6
else if (IP_V(ip) == 6 && ip6->ip6_plen) {
/* for IPv6, UDP checksum is mandatory */
- if (ND_TTEST2(cp[0], length)) {
- sum = udp6_cksum(ip6, up, length + sizeof(struct udphdr));
- udp_sum = EXTRACT_16BITS(&up->uh_sum);
+ if (ND_TTEST_LEN(cp, length)) {
+ sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr));
+ ND_TCHECK_2(up->uh_sum);
+ udp_sum = EXTRACT_BE_U_2(up->uh_sum);
if (sum != 0) {
- ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
+ ND_PRINT("[bad udp cksum 0x%04x -> 0x%04x!] ",
udp_sum,
- in_cksum_shouldbe(udp_sum, sum)));
+ in_cksum_shouldbe(udp_sum, sum));
} else
- ND_PRINT((ndo, "[udp sum ok] "));
+ ND_PRINT("[udp sum ok] ");
}
}
-#endif
}
if (!ndo->ndo_qflag) {
-#define ISPORT(p) (dport == (p) || sport == (p))
- if (ISPORT(NAMESERVER_PORT))
- ns_print(ndo, (const u_char *)(up + 1), length, 0);
- else if (ISPORT(MULTICASTDNS_PORT))
- ns_print(ndo, (const u_char *)(up + 1), length, 1);
- else if (ISPORT(TIMED_PORT))
+ if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT))
+ domain_print(ndo, (const u_char *)(up + 1), length, 0);
+ else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT))
+ domain_print(ndo, (const u_char *)(up + 1), length, 1);
+ else if (IS_SRC_OR_DST_PORT(TIMED_PORT))
timed_print(ndo, (const u_char *)(up + 1));
- else if (ISPORT(TFTP_PORT))
+ else if (IS_SRC_OR_DST_PORT(TFTP_PORT))
tftp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(BOOTPC_PORT) || ISPORT(BOOTPS_PORT))
+ else if (IS_SRC_OR_DST_PORT(BOOTPC_PORT) || IS_SRC_OR_DST_PORT(BOOTPS_PORT))
bootp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(RIP_PORT))
+ else if (IS_SRC_OR_DST_PORT(RIP_PORT))
rip_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(AODV_PORT))
+ else if (IS_SRC_OR_DST_PORT(AODV_PORT))
aodv_print(ndo, (const u_char *)(up + 1), length,
-#ifdef INET6
ip6 != NULL);
-#else
- 0);
-#endif
- else if (ISPORT(ISAKMP_PORT))
+ else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT))
isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
- else if (ISPORT(ISAKMP_PORT_NATT))
+ else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT))
isakmp_rfc3948_print(ndo, (const u_char *)(up + 1), length, bp2);
-#if 1 /*???*/
- else if (ISPORT(ISAKMP_PORT_USER1) || ISPORT(ISAKMP_PORT_USER2))
+ else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2))
isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
-#endif
- else if (ISPORT(SNMP_PORT) || ISPORT(SNMPTRAP_PORT))
+ else if (IS_SRC_OR_DST_PORT(SNMP_PORT) || IS_SRC_OR_DST_PORT(SNMPTRAP_PORT))
snmp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(NTP_PORT))
+ else if (IS_SRC_OR_DST_PORT(NTP_PORT))
ntp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(KERBEROS_PORT) || ISPORT(KERBEROS_SEC_PORT))
- krb_print(ndo, (const void *)(up + 1));
- else if (ISPORT(L2TP_PORT))
+ else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT) || IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT))
+ krb_print(ndo, (const u_char *)(up + 1));
+ else if (IS_SRC_OR_DST_PORT(L2TP_PORT))
l2tp_print(ndo, (const u_char *)(up + 1), length);
-#ifdef TCPDUMP_DO_SMB
- else if (ISPORT(NETBIOS_NS_PORT))
+#ifdef ENABLE_SMB
+ else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT))
nbt_udp137_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(NETBIOS_DGRAM_PORT))
+ else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT))
nbt_udp138_print(ndo, (const u_char *)(up + 1), length);
#endif
else if (dport == VAT_PORT)
- vat_print(ndo, (const void *)(up + 1), up);
- else if (ISPORT(ZEPHYR_SRV_PORT) || ISPORT(ZEPHYR_CLT_PORT))
- zephyr_print(ndo, (const void *)(up + 1), length);
+ vat_print(ndo, (const void *)(up + 1), length);
+ else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT))
+ zephyr_print(ndo, (const u_char *)(up + 1), length);
/*
* Since there are 10 possible ports to check, I think
* a <> test would be more efficient
*/
else if ((sport >= RX_PORT_LOW && sport <= RX_PORT_HIGH) ||
(dport >= RX_PORT_LOW && dport <= RX_PORT_HIGH))
- rx_print(ndo, (const void *)(up + 1), length, sport, dport,
- (u_char *) ip);
-#ifdef INET6
- else if (ISPORT(RIPNG_PORT))
+ rx_print(ndo, (const u_char *)(up + 1), length, sport, dport,
+ (const u_char *) ip);
+ else if (IS_SRC_OR_DST_PORT(RIPNG_PORT))
ripng_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(DHCP6_SERV_PORT) || ISPORT(DHCP6_CLI_PORT))
+ else if (IS_SRC_OR_DST_PORT(DHCP6_SERV_PORT) || IS_SRC_OR_DST_PORT(DHCP6_CLI_PORT))
dhcp6_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(AHCP_PORT))
+ else if (IS_SRC_OR_DST_PORT(AHCP_PORT))
ahcp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(BABEL_PORT) || ISPORT(BABEL_PORT_OLD))
+ else if (IS_SRC_OR_DST_PORT(BABEL_PORT) || IS_SRC_OR_DST_PORT(BABEL_PORT_OLD))
babel_print(ndo, (const u_char *)(up + 1), length);
-#endif /*INET6*/
+ else if (IS_SRC_OR_DST_PORT(HNCP_PORT))
+ hncp_print(ndo, (const u_char *)(up + 1), length);
/*
* Kludge in test for whiteboard packets.
*/
else if (dport == WB_PORT)
- wb_print(ndo, (const void *)(up + 1), length);
- else if (ISPORT(CISCO_AUTORP_PORT))
- cisco_autorp_print(ndo, (const void *)(up + 1), length);
- else if (ISPORT(RADIUS_PORT) ||
- ISPORT(RADIUS_NEW_PORT) ||
- ISPORT(RADIUS_ACCOUNTING_PORT) ||
- ISPORT(RADIUS_NEW_ACCOUNTING_PORT) ||
- ISPORT(RADIUS_COA_PORT) )
+ wb_print(ndo, (const u_char *)(up + 1), length);
+ else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT))
+ cisco_autorp_print(ndo, (const u_char *)(up + 1), length);
+ else if (IS_SRC_OR_DST_PORT(RADIUS_PORT) ||
+ IS_SRC_OR_DST_PORT(RADIUS_NEW_PORT) ||
+ IS_SRC_OR_DST_PORT(RADIUS_ACCOUNTING_PORT) ||
+ IS_SRC_OR_DST_PORT(RADIUS_NEW_ACCOUNTING_PORT) ||
+ IS_SRC_OR_DST_PORT(RADIUS_CISCO_COA_PORT) ||
+ IS_SRC_OR_DST_PORT(RADIUS_COA_PORT) )
radius_print(ndo, (const u_char *)(up+1), length);
else if (dport == HSRP_PORT)
hsrp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(LWRES_PORT))
+ else if (IS_SRC_OR_DST_PORT(LWRES_PORT))
lwres_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(LDP_PORT))
+ else if (IS_SRC_OR_DST_PORT(LDP_PORT))
ldp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(OLSR_PORT))
+ else if (IS_SRC_OR_DST_PORT(OLSR_PORT))
olsr_print(ndo, (const u_char *)(up + 1), length,
-#if INET6
(IP_V(ip) == 6) ? 1 : 0);
-#else
- 0);
-#endif
- else if (ISPORT(MPLS_LSP_PING_PORT))
+ else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT))
lspping_print(ndo, (const u_char *)(up + 1), length);
else if (dport == BFD_CONTROL_PORT ||
dport == BFD_ECHO_PORT )
bfd_print(ndo, (const u_char *)(up+1), length, dport);
- else if (ISPORT(LMP_PORT))
+ else if (IS_SRC_OR_DST_PORT(LMP_PORT))
lmp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(VQP_PORT))
+ else if (IS_SRC_OR_DST_PORT(VQP_PORT))
vqp_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(SFLOW_PORT))
+ else if (IS_SRC_OR_DST_PORT(SFLOW_PORT))
sflow_print(ndo, (const u_char *)(up + 1), length);
else if (dport == LWAPP_CONTROL_PORT)
lwapp_control_print(ndo, (const u_char *)(up + 1), length, 1);
else if (sport == LWAPP_CONTROL_PORT)
lwapp_control_print(ndo, (const u_char *)(up + 1), length, 0);
- else if (ISPORT(LWAPP_DATA_PORT))
+ else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT))
lwapp_data_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(SIP_PORT))
+ else if (IS_SRC_OR_DST_PORT(SIP_PORT))
sip_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(SYSLOG_PORT))
+ else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT))
syslog_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(OTV_PORT))
+ else if (IS_SRC_OR_DST_PORT(OTV_PORT))
otv_print(ndo, (const u_char *)(up + 1), length);
- else if (ISPORT(VXLAN_PORT))
+ else if (IS_SRC_OR_DST_PORT(VXLAN_PORT))
vxlan_print(ndo, (const u_char *)(up + 1), length);
- else {
+ else if (IS_SRC_OR_DST_PORT(GENEVE_PORT))
+ geneve_print(ndo, (const u_char *)(up + 1), length);
+ else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT))
+ lisp_print(ndo, (const u_char *)(up + 1), length);
+ else if (IS_SRC_OR_DST_PORT(VXLAN_GPE_PORT))
+ vxlan_gpe_print(ndo, (const u_char *)(up + 1), length);
+ else if (ND_TTEST_1(((const struct LAP *)cp)->type) &&
+ EXTRACT_U_1(((const struct LAP *)cp)->type) == lapDDP &&
+ (atalk_port(sport) || atalk_port(dport))) {
+ if (ndo->ndo_vflag)
+ ND_PRINT("kip ");
+ llap_print(ndo, cp, length);
+ } else {
if (ulen > length)
- ND_PRINT((ndo, "UDP, bad length %u > %u",
- ulen, length));
+ ND_PRINT("UDP, bad length %u > %u",
+ ulen, length);
else
- ND_PRINT((ndo, "UDP, length %u", ulen));
+ ND_PRINT("UDP, length %u", ulen);
}
-#undef ISPORT
} else {
if (ulen > length)
- ND_PRINT((ndo, "UDP, bad length %u > %u",
- ulen, length));
+ ND_PRINT("UDP, bad length %u > %u",
+ ulen, length);
else
- ND_PRINT((ndo, "UDP, length %u", ulen));
+ ND_PRINT("UDP, length %u", ulen);
}
-}
-
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */
+ return;
+trunc:
+ nd_print_trunc(ndo);
+}
projects / tcpdump / blobdiff