* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * Format and print AppleTalk packets.
*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-atalk.c,v 1.81 2004-05-01 09:41:50 hannes Exp $ (LBL)";
-#endif
+/* \summary: AppleTalk printer */
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
-#include <pcap.h>
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
#include "ethertype.h"
-#include "extract.h" /* must come after interface.h */
+#include "extract.h"
#include "appletalk.h"
-static struct tok type2str[] = {
+
+static const struct tok type2str[] = {
{ ddpRTMP, "rtmp" },
{ ddpRTMPrequest, "rtmpReq" },
{ ddpECHO, "echo" },
};
struct aarp {
- u_int16_t htype, ptype;
- u_int8_t halen, palen;
- u_int16_t op;
- u_int8_t hsaddr[6];
- u_int8_t psaddr[4];
- u_int8_t hdaddr[6];
- u_int8_t pdaddr[4];
+ nd_uint16_t htype, ptype;
+ nd_uint8_t halen, palen;
+ nd_uint16_t op;
+ uint8_t hsaddr[MAC_ADDR_LEN];
+ uint8_t psaddr[4];
+ uint8_t hdaddr[MAC_ADDR_LEN];
+ uint8_t pdaddr[4];
};
-static char tstr[] = "[|atalk]";
-
-static void atp_print(const struct atATP *, u_int);
-static void atp_bitmap_print(u_char);
-static void nbp_print(const struct atNBP *, u_int, u_short, u_char, u_char);
-static const char *print_cstring(const char *, const u_char *);
-static const struct atNBPtuple *nbp_tuple_print(const struct atNBPtuple *,
+static void atp_print(netdissect_options *, const struct atATP *, u_int);
+static void atp_bitmap_print(netdissect_options *, u_char);
+static void nbp_print(netdissect_options *, const struct atNBP *, u_int, u_short, u_char, u_char);
+static const struct atNBPtuple *nbp_tuple_print(netdissect_options *ndo, const struct atNBPtuple *,
const u_char *,
u_short, u_char, u_char);
-static const struct atNBPtuple *nbp_name_print(const struct atNBPtuple *,
+static const struct atNBPtuple *nbp_name_print(netdissect_options *, const struct atNBPtuple *,
const u_char *);
-static const char *ataddr_string(u_short, u_char);
-static void ddp_print(const u_char *, u_int, int, u_short, u_char, u_char);
-static const char *ddpskt_string(int);
+static const char *ataddr_string(netdissect_options *, u_short, u_char);
+static void ddp_print(netdissect_options *, const u_char *, u_int, u_int, u_short, u_char, u_char);
+static const char *ddpskt_string(netdissect_options *, u_int);
/*
* Print LLAP packets received on a physical LocalTalk interface.
*/
-u_int
-ltalk_if_print(const struct pcap_pkthdr *h, const u_char *p)
+void
+ltalk_if_print(netdissect_options *ndo,
+ const struct pcap_pkthdr *h, const u_char *p)
{
- return (llap_print(p, h->caplen));
+ u_int hdrlen;
+
+ ndo->ndo_protocol = "ltalk";
+ hdrlen = llap_print(ndo, p, h->len);
+ if (hdrlen == 0) {
+ /* Cut short by the snapshot length. */
+ ndo->ndo_ll_hdr_len += h->caplen;
+ return;
+ }
+ ndo->ndo_ll_hdr_len += hdrlen;
}
/*
* Print AppleTalk LLAP packets.
*/
u_int
-llap_print(register const u_char *bp, u_int length)
+llap_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
{
- register const struct LAP *lp;
- register const struct atDDP *dp;
- register const struct atShortDDP *sdp;
+ const struct LAP *lp;
+ const struct atDDP *dp;
+ const struct atShortDDP *sdp;
u_short snet;
u_int hdrlen;
+ ndo->ndo_protocol = "llap";
if (length < sizeof(*lp)) {
- (void)printf(" [|llap %u]", length);
+ ND_PRINT(" [|llap %u]", length);
return (length);
}
+ if (!ND_TTEST_LEN(bp, sizeof(*lp))) {
+ nd_print_trunc(ndo);
+ return (0); /* cut short by the snapshot length */
+ }
lp = (const struct LAP *)bp;
bp += sizeof(*lp);
length -= sizeof(*lp);
hdrlen = sizeof(*lp);
- switch (lp->type) {
+ switch (GET_U_1(lp->type)) {
case lapShortDDP:
if (length < ddpSSize) {
- (void)printf(" [|sddp %u]", length);
+ ND_PRINT(" [|sddp %u]", length);
return (length);
}
+ if (!ND_TTEST_LEN(bp, ddpSSize)) {
+ ND_PRINT(" [|sddp]");
+ return (0); /* cut short by the snapshot length */
+ }
sdp = (const struct atShortDDP *)bp;
- printf("%s.%s",
- ataddr_string(0, lp->src), ddpskt_string(sdp->srcSkt));
- printf(" > %s.%s:",
- ataddr_string(0, lp->dst), ddpskt_string(sdp->dstSkt));
+ ND_PRINT("%s.%s",
+ ataddr_string(ndo, 0, GET_U_1(lp->src)),
+ ddpskt_string(ndo, GET_U_1(sdp->srcSkt)));
+ ND_PRINT(" > %s.%s:",
+ ataddr_string(ndo, 0, GET_U_1(lp->dst)),
+ ddpskt_string(ndo, GET_U_1(sdp->dstSkt)));
bp += ddpSSize;
length -= ddpSSize;
hdrlen += ddpSSize;
- ddp_print(bp, length, sdp->type, 0, lp->src, sdp->srcSkt);
+ ddp_print(ndo, bp, length, GET_U_1(sdp->type), 0,
+ GET_U_1(lp->src), GET_U_1(sdp->srcSkt));
break;
case lapDDP:
if (length < ddpSize) {
- (void)printf(" [|ddp %u]", length);
+ ND_PRINT(" [|ddp %u]", length);
return (length);
}
+ if (!ND_TTEST_LEN(bp, ddpSize)) {
+ ND_PRINT(" [|ddp]");
+ return (0); /* cut short by the snapshot length */
+ }
dp = (const struct atDDP *)bp;
- snet = EXTRACT_16BITS(&dp->srcNet);
- printf("%s.%s", ataddr_string(snet, dp->srcNode),
- ddpskt_string(dp->srcSkt));
- printf(" > %s.%s:",
- ataddr_string(EXTRACT_16BITS(&dp->dstNet), dp->dstNode),
- ddpskt_string(dp->dstSkt));
+ snet = GET_BE_U_2(dp->srcNet);
+ ND_PRINT("%s.%s",
+ ataddr_string(ndo, snet, GET_U_1(dp->srcNode)),
+ ddpskt_string(ndo, GET_U_1(dp->srcSkt)));
+ ND_PRINT(" > %s.%s:",
+ ataddr_string(ndo, GET_BE_U_2(dp->dstNet), GET_U_1(dp->dstNode)),
+ ddpskt_string(ndo, GET_U_1(dp->dstSkt)));
bp += ddpSize;
length -= ddpSize;
hdrlen += ddpSize;
- ddp_print(bp, length, dp->type, snet, dp->srcNode, dp->srcSkt);
+ ddp_print(ndo, bp, length, GET_U_1(dp->type), snet,
+ GET_U_1(dp->srcNode), GET_U_1(dp->srcSkt));
break;
#ifdef notdef
#endif
default:
- printf("%d > %d at-lap#%d %u",
- lp->src, lp->dst, lp->type, length);
+ ND_PRINT("%u > %u at-lap#%u %u",
+ GET_U_1(lp->src), GET_U_1(lp->dst), GET_U_1(lp->type),
+ length);
break;
}
return (hdrlen);
* packets in them).
*/
void
-atalk_print(register const u_char *bp, u_int length)
+atalk_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
{
- register const struct atDDP *dp;
+ const struct atDDP *dp;
u_short snet;
- if(!eflag)
- printf("AT ");
+ ndo->ndo_protocol = "atalk";
+ if(!ndo->ndo_eflag)
+ ND_PRINT("AT ");
if (length < ddpSize) {
- (void)printf(" [|ddp %u]", length);
+ ND_PRINT(" [|ddp %u]", length);
+ return;
+ }
+ if (!ND_TTEST_LEN(bp, ddpSize)) {
+ ND_PRINT(" [|ddp]");
return;
}
dp = (const struct atDDP *)bp;
- snet = EXTRACT_16BITS(&dp->srcNet);
- printf("%s.%s", ataddr_string(snet, dp->srcNode),
- ddpskt_string(dp->srcSkt));
- printf(" > %s.%s: ",
- ataddr_string(EXTRACT_16BITS(&dp->dstNet), dp->dstNode),
- ddpskt_string(dp->dstSkt));
+ snet = GET_BE_U_2(dp->srcNet);
+ ND_PRINT("%s.%s", ataddr_string(ndo, snet, GET_U_1(dp->srcNode)),
+ ddpskt_string(ndo, GET_U_1(dp->srcSkt)));
+ ND_PRINT(" > %s.%s: ",
+ ataddr_string(ndo, GET_BE_U_2(dp->dstNet), GET_U_1(dp->dstNode)),
+ ddpskt_string(ndo, GET_U_1(dp->dstSkt)));
bp += ddpSize;
length -= ddpSize;
- ddp_print(bp, length, dp->type, snet, dp->srcNode, dp->srcSkt);
+ ddp_print(ndo, bp, length, GET_U_1(dp->type), snet,
+ GET_U_1(dp->srcNode), GET_U_1(dp->srcSkt));
}
/* XXX should probably pass in the snap header and do checks like arp_print() */
void
-aarp_print(register const u_char *bp, u_int length)
+aarp_print(netdissect_options *ndo,
+ const u_char *bp, u_int length)
{
- register const struct aarp *ap;
+ const struct aarp *ap;
-#define AT(member) ataddr_string((ap->member[1]<<8)|ap->member[2],ap->member[3])
+#define AT(member) ataddr_string(ndo, (ap->member[1]<<8)|ap->member[2],ap->member[3])
- printf("aarp ");
+ ndo->ndo_protocol = "aarp";
+ ND_PRINT("aarp ");
ap = (const struct aarp *)bp;
- if (EXTRACT_16BITS(&ap->htype) == 1 &&
- EXTRACT_16BITS(&ap->ptype) == ETHERTYPE_ATALK &&
- ap->halen == 6 && ap->palen == 4 )
- switch (EXTRACT_16BITS(&ap->op)) {
+ if (!ND_TTEST_SIZE(ap)) {
+ /* Just bail if we don't have the whole chunk. */
+ nd_print_trunc(ndo);
+ return;
+ }
+ if (length < sizeof(*ap)) {
+ ND_PRINT(" [|aarp %u]", length);
+ return;
+ }
+ if (GET_BE_U_2(ap->htype) == 1 &&
+ GET_BE_U_2(ap->ptype) == ETHERTYPE_ATALK &&
+ GET_U_1(ap->halen) == MAC_ADDR_LEN && GET_U_1(ap->palen) == 4)
+ switch (GET_BE_U_2(ap->op)) {
case 1: /* request */
- (void)printf("who-has %s tell %s",
- AT(pdaddr), AT(psaddr));
+ ND_PRINT("who-has %s tell %s", AT(pdaddr), AT(psaddr));
return;
case 2: /* response */
- (void)printf("reply %s is-at %s",
- AT(psaddr), etheraddr_string(ap->hsaddr));
+ ND_PRINT("reply %s is-at %s", AT(psaddr), GET_ETHERADDR_STRING(ap->hsaddr));
return;
case 3: /* probe (oy!) */
- (void)printf("probe %s tell %s",
- AT(pdaddr), AT(psaddr));
+ ND_PRINT("probe %s tell %s", AT(pdaddr), AT(psaddr));
return;
}
- (void)printf("len %u op %u htype %u ptype %#x halen %u palen %u",
- length, EXTRACT_16BITS(&ap->op), EXTRACT_16BITS(&ap->htype),
- EXTRACT_16BITS(&ap->ptype), ap->halen, ap->palen);
+ ND_PRINT("len %u op %u htype %u ptype %#x halen %u palen %u",
+ length, GET_BE_U_2(ap->op), GET_BE_U_2(ap->htype),
+ GET_BE_U_2(ap->ptype), GET_U_1(ap->halen), GET_U_1(ap->palen));
}
/*
* Print AppleTalk Datagram Delivery Protocol packets.
*/
static void
-ddp_print(register const u_char *bp, register u_int length, register int t,
- register u_short snet, register u_char snode, u_char skt)
+ddp_print(netdissect_options *ndo,
+ const u_char *bp, u_int length, u_int t,
+ u_short snet, u_char snode, u_char skt)
{
switch (t) {
case ddpNBP:
- nbp_print((const struct atNBP *)bp, length, snet, snode, skt);
+ nbp_print(ndo, (const struct atNBP *)bp, length, snet, snode, skt);
break;
case ddpATP:
- atp_print((const struct atATP *)bp, length);
+ atp_print(ndo, (const struct atATP *)bp, length);
break;
case ddpEIGRP:
- eigrp_print(bp, length);
+ eigrp_print(ndo, bp, length);
break;
default:
- (void)printf(" at-%s %d", tok2str(type2str, NULL, t), length);
+ ND_PRINT(" at-%s %u", tok2str(type2str, NULL, t), length);
break;
}
}
static void
-atp_print(register const struct atATP *ap, u_int length)
+atp_print(netdissect_options *ndo,
+ const struct atATP *ap, u_int length)
{
- char c;
- u_int32_t data;
+ uint8_t control;
+ uint32_t data;
- if ((const u_char *)(ap + 1) > snapend) {
+ if ((const u_char *)(ap + 1) > ndo->ndo_snapend) {
/* Just bail if we don't have the whole chunk. */
- fputs(tstr, stdout);
+ nd_print_trunc(ndo);
return;
}
if (length < sizeof(*ap)) {
- (void)printf(" [|atp %u]", length);
+ ND_PRINT(" [|atp %u]", length);
return;
}
length -= sizeof(*ap);
- switch (ap->control & 0xc0) {
+ control = GET_U_1(ap->control);
+ switch (control & 0xc0) {
case atpReqCode:
- (void)printf(" atp-req%s %d",
- ap->control & atpXO? " " : "*",
- EXTRACT_16BITS(&ap->transID));
+ ND_PRINT(" atp-req%s %u",
+ control & atpXO? " " : "*",
+ GET_BE_U_2(ap->transID));
- atp_bitmap_print(ap->bitmap);
+ atp_bitmap_print(ndo, GET_U_1(ap->bitmap));
if (length != 0)
- (void)printf(" [len=%u]", length);
+ ND_PRINT(" [len=%u]", length);
- switch (ap->control & (atpEOM|atpSTS)) {
+ switch (control & (atpEOM|atpSTS)) {
case atpEOM:
- (void)printf(" [EOM]");
+ ND_PRINT(" [EOM]");
break;
case atpSTS:
- (void)printf(" [STS]");
+ ND_PRINT(" [STS]");
break;
case atpEOM|atpSTS:
- (void)printf(" [EOM,STS]");
+ ND_PRINT(" [EOM,STS]");
break;
}
break;
case atpRspCode:
- (void)printf(" atp-resp%s%d:%d (%u)",
- ap->control & atpEOM? "*" : " ",
- EXTRACT_16BITS(&ap->transID), ap->bitmap, length);
- switch (ap->control & (atpXO|atpSTS)) {
+ ND_PRINT(" atp-resp%s%u:%u (%u)",
+ control & atpEOM? "*" : " ",
+ GET_BE_U_2(ap->transID), GET_U_1(ap->bitmap),
+ length);
+ switch (control & (atpXO|atpSTS)) {
case atpXO:
- (void)printf(" [XO]");
+ ND_PRINT(" [XO]");
break;
case atpSTS:
- (void)printf(" [STS]");
+ ND_PRINT(" [STS]");
break;
case atpXO|atpSTS:
- (void)printf(" [XO,STS]");
+ ND_PRINT(" [XO,STS]");
break;
}
break;
case atpRelCode:
- (void)printf(" atp-rel %d", EXTRACT_16BITS(&ap->transID));
+ ND_PRINT(" atp-rel %u", GET_BE_U_2(ap->transID));
- atp_bitmap_print(ap->bitmap);
+ atp_bitmap_print(ndo, GET_U_1(ap->bitmap));
/* length should be zero */
if (length)
- (void)printf(" [len=%u]", length);
+ ND_PRINT(" [len=%u]", length);
/* there shouldn't be any control flags */
- if (ap->control & (atpXO|atpEOM|atpSTS)) {
- c = '[';
- if (ap->control & atpXO) {
- (void)printf("%cXO", c);
+ if (control & (atpXO|atpEOM|atpSTS)) {
+ char c = '[';
+ if (control & atpXO) {
+ ND_PRINT("%cXO", c);
c = ',';
}
- if (ap->control & atpEOM) {
- (void)printf("%cEOM", c);
+ if (control & atpEOM) {
+ ND_PRINT("%cEOM", c);
c = ',';
}
- if (ap->control & atpSTS) {
- (void)printf("%cSTS", c);
- c = ',';
+ if (control & atpSTS) {
+ ND_PRINT("%cSTS", c);
}
- (void)printf("]");
+ ND_PRINT("]");
}
break;
default:
- (void)printf(" atp-0x%x %d (%u)", ap->control,
- EXTRACT_16BITS(&ap->transID), length);
+ ND_PRINT(" atp-0x%x %u (%u)", control,
+ GET_BE_U_2(ap->transID), length);
break;
}
- data = EXTRACT_32BITS(&ap->userData);
+ data = GET_BE_U_4(ap->userData);
if (data != 0)
- (void)printf(" 0x%x", data);
+ ND_PRINT(" 0x%x", data);
}
static void
-atp_bitmap_print(register u_char bm)
+atp_bitmap_print(netdissect_options *ndo,
+ u_char bm)
{
- register char c;
- register int i;
+ u_int i;
/*
* The '& 0xff' below is needed for compilers that want to sign
* (gcc is smart enough to eliminate it, at least on the Sparc).
*/
if ((bm + 1) & (bm & 0xff)) {
- c = '<';
+ char c = '<';
for (i = 0; bm; ++i) {
if (bm & 1) {
- (void)printf("%c%d", c, i);
+ ND_PRINT("%c%u", c, i);
c = ',';
}
bm >>= 1;
}
- (void)printf(">");
+ ND_PRINT(">");
} else {
for (i = 0; bm; ++i)
bm >>= 1;
if (i > 1)
- (void)printf("<0-%d>", i - 1);
+ ND_PRINT("<0-%u>", i - 1);
else
- (void)printf("<0>");
+ ND_PRINT("<0>");
}
}
static void
-nbp_print(register const struct atNBP *np, u_int length, register u_short snet,
- register u_char snode, register u_char skt)
+nbp_print(netdissect_options *ndo,
+ const struct atNBP *np, u_int length, u_short snet,
+ u_char snode, u_char skt)
{
- register const struct atNBPtuple *tp =
- (const struct atNBPtuple *)((u_char *)np + nbpHeaderSize);
- int i;
+ const struct atNBPtuple *tp =
+ (const struct atNBPtuple *)((const u_char *)np + nbpHeaderSize);
+ uint8_t control;
+ u_int i;
const u_char *ep;
if (length < nbpHeaderSize) {
- (void)printf(" truncated-nbp %u", length);
+ ND_PRINT(" truncated-nbp %u", length);
return;
}
length -= nbpHeaderSize;
if (length < 8) {
/* must be room for at least one tuple */
- (void)printf(" truncated-nbp %u", length + nbpHeaderSize);
+ ND_PRINT(" truncated-nbp %u", length + nbpHeaderSize);
return;
}
/* ep points to end of available data */
- ep = snapend;
+ ep = ndo->ndo_snapend;
if ((const u_char *)tp > ep) {
- fputs(tstr, stdout);
+ nd_print_trunc(ndo);
return;
}
- switch (i = np->control & 0xf0) {
+ control = GET_U_1(np->control);
+ switch (i = (control & 0xf0)) {
case nbpBrRq:
case nbpLkUp:
- (void)printf(i == nbpLkUp? " nbp-lkup %d:":" nbp-brRq %d:",
- np->id);
+ ND_PRINT(i == nbpLkUp? " nbp-lkup %u:":" nbp-brRq %u:",
+ GET_U_1(np->id));
if ((const u_char *)(tp + 1) > ep) {
- fputs(tstr, stdout);
+ nd_print_trunc(ndo);
return;
}
- (void)nbp_name_print(tp, ep);
+ (void)nbp_name_print(ndo, tp, ep);
/*
* look for anomalies: the spec says there can only
* be one tuple, the address must match the source
* address and the enumerator should be zero.
*/
- if ((np->control & 0xf) != 1)
- (void)printf(" [ntup=%d]", np->control & 0xf);
- if (tp->enumerator)
- (void)printf(" [enum=%d]", tp->enumerator);
- if (EXTRACT_16BITS(&tp->net) != snet ||
- tp->node != snode || tp->skt != skt)
- (void)printf(" [addr=%s.%d]",
- ataddr_string(EXTRACT_16BITS(&tp->net),
- tp->node), tp->skt);
+ if ((control & 0xf) != 1)
+ ND_PRINT(" [ntup=%u]", control & 0xf);
+ if (GET_U_1(tp->enumerator))
+ ND_PRINT(" [enum=%u]", GET_U_1(tp->enumerator));
+ if (GET_BE_U_2(tp->net) != snet ||
+ GET_U_1(tp->node) != snode ||
+ GET_U_1(tp->skt) != skt)
+ ND_PRINT(" [addr=%s.%u]",
+ ataddr_string(ndo, GET_BE_U_2(tp->net),
+ GET_U_1(tp->node)),
+ GET_U_1(tp->skt));
break;
case nbpLkUpReply:
- (void)printf(" nbp-reply %d:", np->id);
+ ND_PRINT(" nbp-reply %u:", GET_U_1(np->id));
/* print each of the tuples in the reply */
- for (i = np->control & 0xf; --i >= 0 && tp; )
- tp = nbp_tuple_print(tp, ep, snet, snode, skt);
+ for (i = control & 0xf; i != 0 && tp; i--)
+ tp = nbp_tuple_print(ndo, tp, ep, snet, snode, skt);
break;
default:
- (void)printf(" nbp-0x%x %d (%u)", np->control, np->id,
- length);
+ ND_PRINT(" nbp-0x%x %u (%u)", control, GET_U_1(np->id),
+ length);
break;
}
}
/* print a counted string */
-static const char *
-print_cstring(register const char *cp, register const u_char *ep)
+static const u_char *
+print_cstring(netdissect_options *ndo,
+ const u_char *cp, const u_char *ep)
{
- register u_int length;
+ u_int length;
- if (cp >= (const char *)ep) {
- fputs(tstr, stdout);
+ if (cp >= ep) {
+ nd_print_trunc(ndo);
return (0);
}
- length = *cp++;
+ length = GET_U_1(cp);
+ cp++;
/* Spec says string can be at most 32 bytes long */
if (length > 32) {
- (void)printf("[len=%u]", length);
+ ND_PRINT("[len=%u]", length);
return (0);
}
- while ((int)--length >= 0) {
- if (cp >= (const char *)ep) {
- fputs(tstr, stdout);
+ while (length != 0) {
+ if (cp >= ep) {
+ nd_print_trunc(ndo);
return (0);
}
- putchar(*cp++);
+ fn_print_char(ndo, GET_U_1(cp));
+ cp++;
+ length--;
}
return (cp);
}
static const struct atNBPtuple *
-nbp_tuple_print(register const struct atNBPtuple *tp,
- register const u_char *ep,
- register u_short snet, register u_char snode,
- register u_char skt)
+nbp_tuple_print(netdissect_options *ndo,
+ const struct atNBPtuple *tp, const u_char *ep,
+ u_short snet, u_char snode, u_char skt)
{
- register const struct atNBPtuple *tpn;
+ const struct atNBPtuple *tpn;
if ((const u_char *)(tp + 1) > ep) {
- fputs(tstr, stdout);
+ nd_print_trunc(ndo);
return 0;
}
- tpn = nbp_name_print(tp, ep);
+ tpn = nbp_name_print(ndo, tp, ep);
/* if the enumerator isn't 1, print it */
- if (tp->enumerator != 1)
- (void)printf("(%d)", tp->enumerator);
+ if (GET_U_1(tp->enumerator) != 1)
+ ND_PRINT("(%u)", GET_U_1(tp->enumerator));
/* if the socket doesn't match the src socket, print it */
- if (tp->skt != skt)
- (void)printf(" %d", tp->skt);
+ if (GET_U_1(tp->skt) != skt)
+ ND_PRINT(" %u", GET_U_1(tp->skt));
/* if the address doesn't match the src address, it's an anomaly */
- if (EXTRACT_16BITS(&tp->net) != snet || tp->node != snode)
- (void)printf(" [addr=%s]",
- ataddr_string(EXTRACT_16BITS(&tp->net), tp->node));
+ if (GET_BE_U_2(tp->net) != snet ||
+ GET_U_1(tp->node) != snode)
+ ND_PRINT(" [addr=%s]",
+ ataddr_string(ndo, GET_BE_U_2(tp->net), GET_U_1(tp->node)));
return (tpn);
}
static const struct atNBPtuple *
-nbp_name_print(const struct atNBPtuple *tp, register const u_char *ep)
+nbp_name_print(netdissect_options *ndo,
+ const struct atNBPtuple *tp, const u_char *ep)
{
- register const char *cp = (const char *)tp + nbpTupleSize;
+ const u_char *cp = (const u_char *)tp + nbpTupleSize;
- putchar(' ');
+ ND_PRINT(" ");
/* Object */
- putchar('"');
- if ((cp = print_cstring(cp, ep)) != NULL) {
+ ND_PRINT("\"");
+ if ((cp = print_cstring(ndo, cp, ep)) != NULL) {
/* Type */
- putchar(':');
- if ((cp = print_cstring(cp, ep)) != NULL) {
+ ND_PRINT(":");
+ if ((cp = print_cstring(ndo, cp, ep)) != NULL) {
/* Zone */
- putchar('@');
- if ((cp = print_cstring(cp, ep)) != NULL)
- putchar('"');
+ ND_PRINT("@");
+ if ((cp = print_cstring(ndo, cp, ep)) != NULL)
+ ND_PRINT("\"");
}
}
return ((const struct atNBPtuple *)cp);
#define HASHNAMESIZE 4096
struct hnamemem {
- int addr;
+ u_int addr;
char *name;
struct hnamemem *nxt;
};
static struct hnamemem hnametable[HASHNAMESIZE];
static const char *
-ataddr_string(u_short atnet, u_char athost)
+ataddr_string(netdissect_options *ndo,
+ u_short atnet, u_char athost)
{
- register struct hnamemem *tp, *tp2;
- register int i = (atnet << 8) | athost;
- char nambuf[256];
+ struct hnamemem *tp, *tp2;
+ u_int i = (atnet << 8) | athost;
+ char nambuf[256+1];
static int first = 1;
FILE *fp;
/*
- * if this is the first call, see if there's an AppleTalk
- * number to name map file.
+ * Are we doing address to name resolution?
*/
- if (first && (first = 0, !nflag)
- && (fp = fopen("/etc/atalk.names", "r"))) {
- char line[256];
- int i1, i2;
-
- while (fgets(line, sizeof(line), fp)) {
- if (line[0] == '\n' || line[0] == 0 || line[0] == '#')
- continue;
- if (sscanf(line, "%d.%d %256s", &i1, &i2, nambuf) == 3)
- /* got a hostname. */
- i2 |= (i1 << 8);
- else if (sscanf(line, "%d %256s", &i1, nambuf) == 2)
- /* got a net name */
- i2 = (i1 << 8) | 255;
- else
- continue;
-
- for (tp = &hnametable[i2 & (HASHNAMESIZE-1)];
- tp->nxt; tp = tp->nxt)
- ;
- tp->addr = i2;
- tp->nxt = newhnamemem();
- tp->name = strdup(nambuf);
+ if (!ndo->ndo_nflag) {
+ /*
+ * Yes. Have we tried to open and read an AppleTalk
+ * number to name map file?
+ */
+ if (!first) {
+ /*
+ * No; try to do so.
+ */
+ first = 0;
+ fp = fopen("/etc/atalk.names", "r");
+ if (fp != NULL) {
+ char line[256];
+ u_int i1, i2;
+
+ while (fgets(line, sizeof(line), fp)) {
+ if (line[0] == '\n' || line[0] == 0 ||
+ line[0] == '#')
+ continue;
+ if (sscanf(line, "%u.%u %256s", &i1,
+ &i2, nambuf) == 3)
+ /* got a hostname. */
+ i2 |= (i1 << 8);
+ else if (sscanf(line, "%u %256s", &i1,
+ nambuf) == 2)
+ /* got a net name */
+ i2 = (i1 << 8) | 255;
+ else
+ continue;
+
+ for (tp = &hnametable[i2 & (HASHNAMESIZE-1)];
+ tp->nxt; tp = tp->nxt)
+ ;
+ tp->addr = i2;
+ tp->nxt = newhnamemem(ndo);
+ tp->name = strdup(nambuf);
+ if (tp->name == NULL)
+ (*ndo->ndo_error)(ndo,
+ S_ERR_ND_MEM_ALLOC,
+ "%s: strdup(nambuf)", __func__);
+ }
+ fclose(fp);
+ }
}
- fclose(fp);
}
+ /*
+ * Now try to look up the address in the table.
+ */
for (tp = &hnametable[i & (HASHNAMESIZE-1)]; tp->nxt; tp = tp->nxt)
if (tp->addr == i)
return (tp->name);
for (tp2 = &hnametable[i & (HASHNAMESIZE-1)]; tp2->nxt; tp2 = tp2->nxt)
if (tp2->addr == i) {
tp->addr = (atnet << 8) | athost;
- tp->nxt = newhnamemem();
- (void)snprintf(nambuf, sizeof(nambuf), "%s.%d",
+ tp->nxt = newhnamemem(ndo);
+ (void)snprintf(nambuf, sizeof(nambuf), "%s.%u",
tp2->name, athost);
tp->name = strdup(nambuf);
+ if (tp->name == NULL)
+ (*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
+ "%s: strdup(nambuf)", __func__);
return (tp->name);
}
tp->addr = (atnet << 8) | athost;
- tp->nxt = newhnamemem();
+ tp->nxt = newhnamemem(ndo);
if (athost != 255)
- (void)snprintf(nambuf, sizeof(nambuf), "%d.%d", atnet, athost);
+ (void)snprintf(nambuf, sizeof(nambuf), "%u.%u", atnet, athost);
else
- (void)snprintf(nambuf, sizeof(nambuf), "%d", atnet);
+ (void)snprintf(nambuf, sizeof(nambuf), "%u", atnet);
tp->name = strdup(nambuf);
+ if (tp->name == NULL)
+ (*ndo->ndo_error)(ndo, S_ERR_ND_MEM_ALLOC,
+ "%s: strdup(nambuf)", __func__);
return (tp->name);
}
-static struct tok skt2str[] = {
+static const struct tok skt2str[] = {
{ rtmpSkt, "rtmp" }, /* routing table maintenance */
{ nbpSkt, "nis" }, /* name info socket */
{ echoSkt, "echo" }, /* AppleTalk echo protocol */
};
static const char *
-ddpskt_string(register int skt)
+ddpskt_string(netdissect_options *ndo,
+ u_int skt)
{
static char buf[8];
- if (nflag) {
- (void)snprintf(buf, sizeof(buf), "%d", skt);
+ if (ndo->ndo_nflag) {
+ (void)snprintf(buf, sizeof(buf), "%u", skt);
return (buf);
}
- return (tok2str(skt2str, "%d", skt));
+ return (tok2str(skt2str, "%u", skt));
}
projects / tcpdump / blobdiff