/* \summary: UDP printer */
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"
#include "netdissect.h"
#include "addrtoname.h"
#include "nfs.h"
-static const char vat_tstr[] = " [|vat]";
-static const char rtp_tstr[] = " [|rtp]";
-static const char rtcp_tstr[] = " [|rtcp]";
-static const char udp_tstr[] = " [|udp]";
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 u_char *hdr, u_int length)
{
/* vat/vt audio */
u_int ts;
- ND_TCHECK_16BITS((const u_int *)hdr);
- ts = EXTRACT_16BITS(hdr);
+ ndo->ndo_protocol = "vat";
+ if (length < 2) {
+ ND_PRINT("udp/va/vat, length %u < 2", length);
+ return;
+ }
+ ts = GET_BE_U_2(hdr);
if ((ts & 0xf060) != 0) {
/* probably vt */
- ND_TCHECK_16BITS(&up->uh_ulen);
- 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, i1;
- ND_TCHECK_32BITS(&((const u_int *)hdr)[0]);
- i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]);
- ND_TCHECK_32BITS(&((const u_int *)hdr)[1]);
- i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]);
- ND_TCHECK_16BITS(&up->uh_ulen);
- ND_PRINT((ndo, "udp/vat %u c%d %u%s",
- (uint32_t)(EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8),
+ if (length < 8) {
+ ND_PRINT("udp/vat, length %u < 8", length);
+ return;
+ }
+ i0 = GET_BE_U_4(&((const u_int *)hdr)[0]);
+ i1 = GET_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);
}
-
-trunc:
- ND_PRINT((ndo, "%s", vat_tstr));
}
static void
-rtp_print(netdissect_options *ndo, const void *hdr, u_int len,
- register const struct udphdr *up)
+rtp_print(netdissect_options *ndo, const u_char *hdr, u_int len)
{
/* rtp v1 or v2 */
const u_int *ip = (const u_int *)hdr;
uint32_t i0, i1;
const char * ptype;
- ND_TCHECK_32BITS(&((const u_int *)hdr)[0]);
- i0 = EXTRACT_32BITS(&((const u_int *)hdr)[0]);
- ND_TCHECK_32BITS(&((const u_int *)hdr)[1]);
- i1 = EXTRACT_32BITS(&((const u_int *)hdr)[1]);
- ND_TCHECK_16BITS(&up->uh_ulen);
- dlen = EXTRACT_16BITS(&up->uh_ulen) - sizeof(*up) - 8;
+ ndo->ndo_protocol = "rtp";
+ if (len < 8) {
+ ND_PRINT("udp/rtp, length %u < 8", len);
+ return;
+ }
+ i0 = GET_BE_U_4(&((const u_int *)hdr)[0]);
+ i1 = GET_BE_U_4(&((const u_int *)hdr)[1]);
+ dlen = len - 8;
ip += 2;
len >>= 2;
len -= 2;
ptype = "rtpv1";
} else {
/* 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_TCHECK_32BITS(&((const u_int *)hdr)[2]);
- ND_PRINT((ndo, " %u", EXTRACT_32BITS(&((const u_int *)hdr)[2])));
+ ND_PRINT(" %u", GET_BE_U_4(&((const u_int *)hdr)[2]));
if (hasopt) {
u_int i2, optlen;
do {
- ND_TCHECK_32BITS(ip);
- i2 = EXTRACT_32BITS(ip);
+ i2 = GET_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;
- ND_TCHECK_32BITS(ip);
- i2 = EXTRACT_32BITS(ip);
+ i2 = GET_BE_U_4(ip);
extlen = (i2 & 0xffff) + 1;
if (extlen > len) {
- ND_PRINT((ndo, " !ext"));
+ ND_PRINT(" !ext");
return;
}
ip += extlen;
}
- ND_TCHECK_32BITS(ip);
if (contype == 0x1f) /*XXX H.261 */
- ND_PRINT((ndo, " 0x%04x", EXTRACT_32BITS(ip) >> 16));
+ ND_PRINT(" 0x%04x", GET_BE_U_4(ip) >> 16);
}
-
-trunc:
- ND_PRINT((ndo, "%s", rtp_tstr));
}
static const u_char *
-rtcp_print(netdissect_options *ndo, const u_char *hdr, const u_char *ep)
+rtcp_print(netdissect_options *ndo, const u_char *hdr)
{
/* rtp v2 control (rtcp) */
const struct rtcp_rr *rr = 0;
const struct rtcphdr *rh = (const struct rtcphdr *)hdr;
u_int len;
uint16_t flags;
- int cnt;
+ uint32_t ssrc;
+ u_int cnt;
double ts, dts;
- if ((const u_char *)(rh + 1) > ep)
- goto trunc;
- ND_TCHECK(*rh);
- len = (EXTRACT_16BITS(&rh->rh_len) + 1) * 4;
- flags = EXTRACT_16BITS(&rh->rh_flags);
+
+ ndo->ndo_protocol = "rtcp";
+ len = (GET_BE_U_2(rh->rh_len) + 1) * 4;
+ flags = GET_BE_U_2(rh->rh_flags);
cnt = (flags >> 8) & 0x1f;
+ ssrc = GET_BE_U_4(rh->rh_ssrc);
switch (flags & 0xff) {
case RTCP_PT_SR:
sr = (const struct rtcp_sr *)(rh + 1);
- ND_PRINT((ndo, " sr"));
+ 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 ((const u_char *)(sr + 1) > ep)
- goto trunc;
- ND_TCHECK(*sr);
- 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)));
+ ND_PRINT(" %u", ssrc);
+ ts = (double)(GET_BE_U_4(sr->sr_ntp.upper)) +
+ ((double)(GET_BE_U_4(sr->sr_ntp.lower)) /
+ FMAXINT);
+ ND_PRINT(" @%.2f %u %up %ub", ts, GET_BE_U_4(sr->sr_ts),
+ GET_BE_U_4(sr->sr_np), GET_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));
+ 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", 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", 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", 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 ((const u_char *)(rr + 1) > ep)
- goto trunc;
- ND_TCHECK(*rr);
+ ND_PRINT(" c%u", cnt);
+ while (cnt != 0) {
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", GET_BE_U_4(rr->rr_srcid));
+ ts = (double)(GET_BE_U_4(rr->rr_lsr)) / 65536.;
+ dts = (double)(GET_BE_U_4(rr->rr_dlsr)) / 65536.;
+ ND_PRINT(" %ul %us %uj @%.2f+%.2f",
+ GET_BE_U_4(rr->rr_nl) & 0x00ffffff,
+ GET_BE_U_4(rr->rr_ls),
+ GET_BE_U_4(rr->rr_dv), ts, dts);
+ cnt--;
}
return (hdr + len);
-
-trunc:
- ND_PRINT((ndo, "%s", rtcp_tstr));
- return ep;
}
-static int udp_cksum(netdissect_options *ndo, register const struct ip *ip,
- register const struct udphdr *up,
- register u_int len)
+static uint16_t udp_cksum(netdissect_options *ndo, const struct ip *ip,
+ const struct udphdr *up,
+ u_int len)
{
return nextproto4_cksum(ndo, ip, (const uint8_t *)(const void *)up, len, len,
IPPROTO_UDP);
}
-static int udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6,
+static uint16_t udp6_cksum(netdissect_options *ndo, const struct ip6_hdr *ip6,
const struct udphdr *up, u_int len)
{
return nextproto6_cksum(ndo, ip6, (const uint8_t *)(const void *)up, len, len,
}
static void
-udpipaddr_print(netdissect_options *ndo, const struct ip *ip, int sport, int dport)
+udpipaddr_print(netdissect_options *ndo,
+ const struct ip *ip, const uint16_t sport, const uint16_t dport)
{
- const struct ip6_hdr *ip6;
-
- if (IP_V(ip) == 6)
- ip6 = (const struct ip6_hdr *)ip;
- else
- ip6 = NULL;
+ const struct ip6_hdr *ip6 = (const struct ip6_hdr *)ip;
+
+ if (IP_V(ip) == 4 && GET_U_1(ip->ip_p) == IPPROTO_UDP) {
+ ND_PRINT("%s.%s > %s.%s: ",
+ GET_IPADDR_STRING(ip->ip_src),
+ udpport_string(ndo, sport),
+ GET_IPADDR_STRING(ip->ip_dst),
+ udpport_string(ndo, dport));
+ } else if (IP_V(ip) == 6 && GET_U_1(ip6->ip6_nxt) == IPPROTO_UDP) {
+ ND_PRINT("%s.%s > %s.%s: ",
+ GET_IP6ADDR_STRING(ip6->ip6_src),
+ udpport_string(ndo, sport),
+ GET_IP6ADDR_STRING(ip6->ip6_dst),
+ udpport_string(ndo, dport));
+ } else
+ ND_PRINT("%s > %s: ",
+ udpport_string(ndo, sport), udpport_string(ndo, dport));
+}
- if (ip6) {
- if (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)));
- } else {
- ND_PRINT((ndo, "%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(ndo, sport),
- udpport_string(ndo, dport)));
- }
- }
- } else {
- if (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)));
- } else {
- ND_PRINT((ndo, "%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(ndo, sport),
- udpport_string(ndo, dport)));
- }
- }
+static void
+udpipaddr_noport_print(netdissect_options *ndo, const struct ip *ip)
+{
+ const struct ip6_hdr *ip6 = (const struct ip6_hdr *)ip;
+
+ if (IP_V(ip) == 4 && GET_U_1(ip->ip_p) == IPPROTO_UDP) {
+ ND_PRINT("%s > %s: ",
+ GET_IPADDR_STRING(ip->ip_src),
+ GET_IPADDR_STRING(ip->ip_dst));
+ } else if (IP_V(ip) == 6 && GET_U_1(ip6->ip6_nxt) == IPPROTO_UDP) {
+ ND_PRINT("%s > %s: ",
+ GET_IP6ADDR_STRING(ip6->ip6_src),
+ GET_IP6ADDR_STRING(ip6->ip6_dst));
}
}
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, u_int ttl_hl)
{
- register const struct udphdr *up;
- register const struct ip *ip;
- register const u_char *cp;
- register const u_char *ep = bp + length;
- uint16_t sport, dport, ulen;
- register const struct ip6_hdr *ip6;
-
- if (ep > ndo->ndo_snapend)
- ep = ndo->ndo_snapend;
+ const struct udphdr *up;
+ const struct ip *ip;
+ const u_char *cp;
+ const u_char *ep = ndo->ndo_snapend;
+ uint16_t sport, dport;
+ u_int ulen;
+ uint16_t udp_sum;
+ const struct ip6_hdr *ip6;
+
+ ndo->ndo_protocol = "udp";
up = (const struct udphdr *)bp;
ip = (const struct ip *)bp2;
if (IP_V(ip) == 6)
ip6 = (const struct ip6_hdr *)bp2;
else
ip6 = NULL;
- if (!ND_TTEST(up->uh_dport)) {
- udpipaddr_print(ndo, ip, -1, -1);
- goto trunc;
+ if (!ND_TTEST_2(up->uh_dport)) {
+ udpipaddr_noport_print(ndo, ip);
+ nd_trunc_longjmp(ndo);
}
- sport = EXTRACT_16BITS(&up->uh_sport);
- dport = EXTRACT_16BITS(&up->uh_dport);
-
- if (length < sizeof(struct udphdr)) {
- udpipaddr_print(ndo, ip, sport, dport);
- ND_PRINT((ndo, "truncated-udp %d", length));
- return;
- }
- if (!ND_TTEST(up->uh_ulen)) {
- udpipaddr_print(ndo, ip, sport, dport);
- goto trunc;
- }
- ulen = EXTRACT_16BITS(&up->uh_ulen);
- if (ulen < sizeof(struct udphdr)) {
+ sport = GET_BE_U_2(up->uh_sport);
+ dport = GET_BE_U_2(up->uh_dport);
+ if (ndo->ndo_packettype != PT_RPC)
udpipaddr_print(ndo, ip, sport, dport);
- ND_PRINT((ndo, "truncated-udplength %d", ulen));
- return;
- }
+
+ 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);
+ /*
+ * IPv6 Jumbo Datagrams; see RFC 2675.
+ * If the length is zero, and the length provided to us is
+ * > 65535, use the provided length as the length.
+ */
+ if (ulen == 0 && length > 65535)
+ ulen = length;
+ ND_LCHECKMSG_ZU(ulen, sizeof(struct udphdr), "undersized-udplength");
ulen -= sizeof(struct udphdr);
length -= sizeof(struct udphdr);
if (ulen < length)
length = ulen;
cp = (const u_char *)(up + 1);
- if (cp > ndo->ndo_snapend) {
- udpipaddr_print(ndo, ip, sport, dport);
- goto trunc;
- }
if (ndo->ndo_packettype) {
- register const 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, (const void *)(up + 1), up);
+ vat_print(ndo, cp, length);
break;
case PT_WB:
- udpipaddr_print(ndo, ip, sport, dport);
- wb_print(ndo, (const void *)(up + 1), length);
+ wb_print(ndo, cp, length);
break;
case PT_RPC:
- rp = (const struct sunrpc_msg *)(up + 1);
- direction = (enum sunrpc_msg_type)EXTRACT_32BITS(&rp->rm_direction);
+ rp = (const struct sunrpc_msg *)cp;
+ direction = (enum sunrpc_msg_type) GET_BE_U_4(rp->rm_direction);
if (direction == SUNRPC_CALL)
sunrpc_print(ndo, (const u_char *)rp, length,
(const u_char *)ip);
break;
case PT_RTP:
- udpipaddr_print(ndo, ip, sport, dport);
- rtp_print(ndo, (const void *)(up + 1), length, up);
+ rtp_print(ndo, cp, length);
break;
case PT_RTCP:
- udpipaddr_print(ndo, ip, sport, dport);
while (cp < ep)
- cp = rtcp_print(ndo, cp, ep);
+ cp = rtcp_print(ndo, cp);
break;
case PT_SNMP:
- udpipaddr_print(ndo, ip, sport, dport);
- snmp_print(ndo, (const u_char *)(up + 1), length);
+ snmp_print(ndo, cp, length);
break;
case PT_CNFP:
- udpipaddr_print(ndo, ip, sport, dport);
cnfp_print(ndo, cp);
break;
case PT_TFTP:
- udpipaddr_print(ndo, ip, sport, dport);
tftp_print(ndo, cp, length);
break;
case PT_AODV:
- udpipaddr_print(ndo, ip, sport, dport);
- aodv_print(ndo, (const u_char *)(up + 1), length,
+ aodv_print(ndo, cp, length,
ip6 != NULL);
break;
case PT_RADIUS:
- udpipaddr_print(ndo, ip, sport, dport);
radius_print(ndo, cp, length);
break;
case PT_VXLAN:
- udpipaddr_print(ndo, ip, sport, dport);
- vxlan_print(ndo, (const u_char *)(up + 1), length);
+ vxlan_print(ndo, cp, length);
break;
case PT_PGM:
case PT_PGM_ZMTP1:
- udpipaddr_print(ndo, ip, sport, dport);
pgm_print(ndo, cp, length, bp2);
break;
case PT_LMP:
- udpipaddr_print(ndo, ip, sport, dport);
lmp_print(ndo, cp, length);
break;
+ case PT_PTP:
+ ptp_print(ndo, cp, length);
+ break;
+ case PT_SOMEIP:
+ someip_print(ndo, cp, length);
+ break;
+ case PT_DOMAIN:
+ /* over_tcp: FALSE, is_mdns: FALSE */
+ domain_print(ndo, cp, length, FALSE, FALSE);
+ break;
}
return;
}
- udpipaddr_print(ndo, ip, sport, dport);
if (!ndo->ndo_qflag) {
- register const struct sunrpc_msg *rp;
+ const struct sunrpc_msg *rp;
enum sunrpc_msg_type direction;
- rp = (const 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 *)cp;
+ if (ND_TTEST_4(rp->rm_direction)) {
+ direction = (enum sunrpc_msg_type) GET_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)));
+ ND_PRINT("NFS request xid %u ",
+ GET_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)));
+ ND_PRINT("NFS reply xid %u ",
+ GET_BE_U_4(rp->rm_xid));
nfsreply_noaddr_print(ndo, (const u_char *)rp, length,
(const u_char *)ip);
return;
}
if (ndo->ndo_vflag && !ndo->ndo_Kflag && !fragmented) {
- /* Check the checksum, if possible. */
- uint16_t sum, udp_sum;
+ /* Check the checksum, if possible. */
+ uint16_t sum;
/*
* XXX - do this even if vflag == 1?
* 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);
+ if (IP_V(ip) == 4 && (ndo->ndo_vflag > 1)) {
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!] ",
+ if (sum != 0) {
+ 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] ");
}
}
- else if (IP_V(ip) == 6 && ip6->ip6_plen) {
+ else if (IP_V(ip) == 6) {
/* for IPv6, UDP checksum is mandatory */
- if (ND_TTEST2(cp[0], length)) {
+ if (ND_TTEST_LEN(cp, length)) {
sum = udp6_cksum(ndo, ip6, up, length + sizeof(struct udphdr));
- udp_sum = EXTRACT_16BITS(&up->uh_sum);
- if (sum != 0) {
- ND_PRINT((ndo, "[bad udp cksum 0x%04x -> 0x%04x!] ",
+ if (sum != 0) {
+ 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] ");
}
}
}
if (!ndo->ndo_qflag) {
if (IS_SRC_OR_DST_PORT(NAMESERVER_PORT))
- domain_print(ndo, (const u_char *)(up + 1), length, 0);
+ /* over_tcp: FALSE, is_mdns: FALSE */
+ domain_print(ndo, cp, length, FALSE, FALSE);
else if (IS_SRC_OR_DST_PORT(MULTICASTDNS_PORT))
- domain_print(ndo, (const u_char *)(up + 1), length, 1);
+ /* over_tcp: FALSE, is_mdns: TRUE */
+ domain_print(ndo, cp, length, FALSE, TRUE);
else if (IS_SRC_OR_DST_PORT(TIMED_PORT))
- timed_print(ndo, (const u_char *)(up + 1));
+ timed_print(ndo, (const u_char *)cp);
else if (IS_SRC_OR_DST_PORT(TFTP_PORT))
- tftp_print(ndo, (const u_char *)(up + 1), length);
+ tftp_print(ndo, cp, length);
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);
+ bootp_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(RIP_PORT))
- rip_print(ndo, (const u_char *)(up + 1), length);
+ rip_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(AODV_PORT))
- aodv_print(ndo, (const u_char *)(up + 1), length,
+ aodv_print(ndo, cp, length,
ip6 != NULL);
- else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT))
- isakmp_print(ndo, (const u_char *)(up + 1), length, bp2);
- else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT))
- isakmp_rfc3948_print(ndo, (const u_char *)(up + 1), length, bp2);
- 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);
+ else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT))
+ isakmp_print(ndo, cp, length, bp2);
+ else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_NATT))
+ isakmp_rfc3948_print(ndo, cp, length, bp2, IP_V(ip), fragmented, ttl_hl);
+ else if (IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER1) || IS_SRC_OR_DST_PORT(ISAKMP_PORT_USER2))
+ isakmp_print(ndo, cp, length, bp2);
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);
+ snmp_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(NTP_PORT))
- ntp_print(ndo, (const u_char *)(up + 1), length);
+ ntp_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(KERBEROS_PORT) || IS_SRC_OR_DST_PORT(KERBEROS_SEC_PORT))
- krb_print(ndo, (const void *)(up + 1));
+ krb_print(ndo, (const u_char *)cp);
else if (IS_SRC_OR_DST_PORT(L2TP_PORT))
- l2tp_print(ndo, (const u_char *)(up + 1), length);
+ l2tp_print(ndo, cp, length);
#ifdef ENABLE_SMB
else if (IS_SRC_OR_DST_PORT(NETBIOS_NS_PORT))
- nbt_udp137_print(ndo, (const u_char *)(up + 1), length);
+ nbt_udp137_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(NETBIOS_DGRAM_PORT))
- nbt_udp138_print(ndo, (const u_char *)(up + 1), length);
+ nbt_udp138_print(ndo, cp, length);
#endif
else if (dport == VAT_PORT)
- vat_print(ndo, (const void *)(up + 1), up);
+ vat_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(ZEPHYR_SRV_PORT) || IS_SRC_OR_DST_PORT(ZEPHYR_CLT_PORT))
- zephyr_print(ndo, (const void *)(up + 1), length);
+ zephyr_print(ndo, cp, 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,
+ rx_print(ndo, cp, 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);
+ ripng_print(ndo, cp, length);
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);
+ dhcp6_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(AHCP_PORT))
- ahcp_print(ndo, (const u_char *)(up + 1), length);
+ ahcp_print(ndo, cp, length);
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);
+ babel_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(HNCP_PORT))
- hncp_print(ndo, (const u_char *)(up + 1), length);
+ hncp_print(ndo, cp, length);
/*
* Kludge in test for whiteboard packets.
*/
else if (dport == WB_PORT)
- wb_print(ndo, (const void *)(up + 1), length);
+ wb_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(CISCO_AUTORP_PORT))
- cisco_autorp_print(ndo, (const void *)(up + 1), length);
+ cisco_autorp_print(ndo, cp, 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);
+ radius_print(ndo, cp, length);
else if (dport == HSRP_PORT)
- hsrp_print(ndo, (const u_char *)(up + 1), length);
+ hsrp_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(LWRES_PORT))
- lwres_print(ndo, (const u_char *)(up + 1), length);
+ lwres_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(LDP_PORT))
- ldp_print(ndo, (const u_char *)(up + 1), length);
+ ldp_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(OLSR_PORT))
- olsr_print(ndo, (const u_char *)(up + 1), length,
+ olsr_print(ndo, cp, length,
(IP_V(ip) == 6) ? 1 : 0);
else if (IS_SRC_OR_DST_PORT(MPLS_LSP_PING_PORT))
- lspping_print(ndo, (const u_char *)(up + 1), length);
+ lspping_print(ndo, cp, length);
+ else if (sport == BCM_LI_PORT)
+ bcm_li_print(ndo, cp, length);
else if (dport == BFD_CONTROL_PORT ||
+ dport == BFD_MULTIHOP_PORT ||
+ dport == BFD_LAG_PORT ||
+ dport == SBFD_PORT ||
dport == BFD_ECHO_PORT )
- bfd_print(ndo, (const u_char *)(up+1), length, dport);
- else if (IS_SRC_OR_DST_PORT(LMP_PORT))
- lmp_print(ndo, (const u_char *)(up + 1), length);
+ bfd_print(ndo, cp, length, dport);
+ else if (sport == SBFD_PORT)
+ bfd_print(ndo, cp, length, sport);
+ else if (IS_SRC_OR_DST_PORT(LMP_PORT))
+ lmp_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(VQP_PORT))
- vqp_print(ndo, (const u_char *)(up + 1), length);
- 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 (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT))
- lwapp_data_print(ndo, (const u_char *)(up + 1), length);
- else if (IS_SRC_OR_DST_PORT(SIP_PORT))
- sip_print(ndo, (const u_char *)(up + 1), length);
- else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT))
- syslog_print(ndo, (const u_char *)(up + 1), length);
- else if (IS_SRC_OR_DST_PORT(OTV_PORT))
- otv_print(ndo, (const u_char *)(up + 1), length);
- else if (IS_SRC_OR_DST_PORT(VXLAN_PORT))
- vxlan_print(ndo, (const u_char *)(up + 1), length);
- else if (IS_SRC_OR_DST_PORT(GENEVE_PORT))
- geneve_print(ndo, (const u_char *)(up + 1), length);
+ vqp_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(SFLOW_PORT))
+ sflow_print(ndo, cp, length);
+ else if (dport == LWAPP_CONTROL_PORT)
+ lwapp_control_print(ndo, cp, length, 1);
+ else if (sport == LWAPP_CONTROL_PORT)
+ lwapp_control_print(ndo, cp, length, 0);
+ else if (IS_SRC_OR_DST_PORT(LWAPP_DATA_PORT))
+ lwapp_data_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(SIP_PORT))
+ sip_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(SYSLOG_PORT))
+ syslog_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(OTV_PORT))
+ otv_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(VXLAN_PORT))
+ vxlan_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(GENEVE_PORT))
+ geneve_print(ndo, cp, length);
else if (IS_SRC_OR_DST_PORT(LISP_CONTROL_PORT))
- lisp_print(ndo, (const u_char *)(up + 1), length);
+ lisp_print(ndo, cp, 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(((const struct LAP *)cp)->type) &&
- ((const struct LAP *)cp)->type == lapDDP &&
- (atalk_port(sport) || atalk_port(dport))) {
+ vxlan_gpe_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(ZEP_PORT))
+ zep_print(ndo, cp, length);
+ else if (IS_SRC_OR_DST_PORT(MPLS_PORT))
+ mpls_print(ndo, cp, length);
+ else if ((atalk_port(sport) || atalk_port(dport)) &&
+ GET_U_1(((const struct LAP *)cp)->type) == lapDDP) {
if (ndo->ndo_vflag)
- ND_PRINT((ndo, "kip "));
+ ND_PRINT("kip ");
llap_print(ndo, cp, length);
- } else {
- if (ulen > length)
- ND_PRINT((ndo, "UDP, bad length %u > %u",
- ulen, length));
+ } else if (IS_SRC_OR_DST_PORT(PTP_EVENT_PORT) ||
+ IS_SRC_OR_DST_PORT(PTP_GENERAL_PORT)) {
+ ptp_print(ndo, cp, length);
+ } else if (IS_SRC_OR_DST_PORT(SOMEIP_PORT))
+ someip_print(ndo, cp, length);
+ else {
+ if (ulen > length && !fragmented)
+ ND_PRINT("UDP, bad length %u > %u",
+ ulen, length);
else
- ND_PRINT((ndo, "UDP, length %u", ulen));
+ ND_PRINT("UDP, length %u", ulen);
}
} else {
- if (ulen > length)
- ND_PRINT((ndo, "UDP, bad length %u > %u",
- ulen, length));
+ if (ulen > length && !fragmented)
+ ND_PRINT("UDP, bad length %u > %u",
+ ulen, length);
else
- ND_PRINT((ndo, "UDP, length %u", ulen));
+ ND_PRINT("UDP, length %u", ulen);
}
return;
-trunc:
- ND_PRINT((ndo, "%s", udp_tstr));
+invalid:
+ nd_print_invalid(ndo);
}
-
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */
projects / tcpdump / blobdiff