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Diffstat (limited to 'contrib/tcpdump/print-ipx.c')
-rw-r--r--contrib/tcpdump/print-ipx.c153
1 files changed, 85 insertions, 68 deletions
diff --git a/contrib/tcpdump/print-ipx.c b/contrib/tcpdump/print-ipx.c
index f067755d80ed..f076d0213f20 100644
--- a/contrib/tcpdump/print-ipx.c
+++ b/contrib/tcpdump/print-ipx.c
@@ -24,64 +24,81 @@
* $FreeBSD$
*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-ipx.c,v 1.42 2005-05-06 08:26:44 guy Exp $";
-#endif
-
+#define NETDISSECT_REWORKED
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
-#include <stdlib.h>
#include <stdio.h>
-#include <string.h>
#include "interface.h"
#include "addrtoname.h"
-#include "ipx.h"
#include "extract.h"
-
-static const char *ipxaddr_string(u_int32_t, const u_char *);
-void ipx_decode(const struct ipxHdr *, const u_char *, u_int);
-void ipx_sap_print(const u_short *, u_int);
-void ipx_rip_print(const u_short *, u_int);
+/* well-known sockets */
+#define IPX_SKT_NCP 0x0451
+#define IPX_SKT_SAP 0x0452
+#define IPX_SKT_RIP 0x0453
+#define IPX_SKT_NETBIOS 0x0455
+#define IPX_SKT_DIAGNOSTICS 0x0456
+#define IPX_SKT_NWLINK_DGM 0x0553 /* NWLink datagram, may contain SMB */
+#define IPX_SKT_EIGRP 0x85be /* Cisco EIGRP over IPX */
+
+/* IPX transport header */
+struct ipxHdr {
+ uint16_t cksum; /* Checksum */
+ uint16_t length; /* Length, in bytes, including header */
+ uint8_t tCtl; /* Transport Control (i.e. hop count) */
+ uint8_t pType; /* Packet Type (i.e. level 2 protocol) */
+ uint16_t dstNet[2]; /* destination net */
+ uint8_t dstNode[6]; /* destination node */
+ uint16_t dstSkt; /* destination socket */
+ uint16_t srcNet[2]; /* source net */
+ uint8_t srcNode[6]; /* source node */
+ uint16_t srcSkt; /* source socket */
+};
+
+#define ipxSize 30
+
+static const char *ipxaddr_string(uint32_t, const u_char *);
+static void ipx_decode(netdissect_options *, const struct ipxHdr *, const u_char *, u_int);
+static void ipx_sap_print(netdissect_options *, const u_short *, u_int);
+static void ipx_rip_print(netdissect_options *, const u_short *, u_int);
/*
* Print IPX datagram packets.
*/
void
-ipx_print(const u_char *p, u_int length)
+ipx_print(netdissect_options *ndo, const u_char *p, u_int length)
{
const struct ipxHdr *ipx = (const struct ipxHdr *)p;
- if (!eflag)
- printf("IPX ");
+ if (!ndo->ndo_eflag)
+ ND_PRINT((ndo, "IPX "));
- TCHECK(ipx->srcSkt);
- (void)printf("%s.%04x > ",
+ ND_TCHECK(ipx->srcSkt);
+ ND_PRINT((ndo, "%s.%04x > ",
ipxaddr_string(EXTRACT_32BITS(ipx->srcNet), ipx->srcNode),
- EXTRACT_16BITS(&ipx->srcSkt));
+ EXTRACT_16BITS(&ipx->srcSkt)));
- (void)printf("%s.%04x: ",
+ ND_PRINT((ndo, "%s.%04x: ",
ipxaddr_string(EXTRACT_32BITS(ipx->dstNet), ipx->dstNode),
- EXTRACT_16BITS(&ipx->dstSkt));
+ EXTRACT_16BITS(&ipx->dstSkt)));
/* take length from ipx header */
- TCHECK(ipx->length);
+ ND_TCHECK(ipx->length);
length = EXTRACT_16BITS(&ipx->length);
- ipx_decode(ipx, (u_char *)ipx + ipxSize, length - ipxSize);
+ ipx_decode(ndo, ipx, (u_char *)ipx + ipxSize, length - ipxSize);
return;
trunc:
- printf("[|ipx %d]", length);
+ ND_PRINT((ndo, "[|ipx %d]", length));
}
static const char *
-ipxaddr_string(u_int32_t net, const u_char *node)
+ipxaddr_string(uint32_t net, const u_char *node)
{
static char line[256];
@@ -91,52 +108,52 @@ ipxaddr_string(u_int32_t net, const u_char *node)
return line;
}
-void
-ipx_decode(const struct ipxHdr *ipx, const u_char *datap, u_int length)
+static void
+ipx_decode(netdissect_options *ndo, const struct ipxHdr *ipx, const u_char *datap, u_int length)
{
register u_short dstSkt;
dstSkt = EXTRACT_16BITS(&ipx->dstSkt);
switch (dstSkt) {
case IPX_SKT_NCP:
- (void)printf("ipx-ncp %d", length);
+ ND_PRINT((ndo, "ipx-ncp %d", length));
break;
case IPX_SKT_SAP:
- ipx_sap_print((u_short *)datap, length);
+ ipx_sap_print(ndo, (u_short *)datap, length);
break;
case IPX_SKT_RIP:
- ipx_rip_print((u_short *)datap, length);
+ ipx_rip_print(ndo, (u_short *)datap, length);
break;
case IPX_SKT_NETBIOS:
- (void)printf("ipx-netbios %d", length);
+ ND_PRINT((ndo, "ipx-netbios %d", length));
#ifdef TCPDUMP_DO_SMB
- ipx_netbios_print(datap, length);
+ ipx_netbios_print(ndo, datap, length);
#endif
break;
case IPX_SKT_DIAGNOSTICS:
- (void)printf("ipx-diags %d", length);
+ ND_PRINT((ndo, "ipx-diags %d", length));
break;
case IPX_SKT_NWLINK_DGM:
- (void)printf("ipx-nwlink-dgm %d", length);
+ ND_PRINT((ndo, "ipx-nwlink-dgm %d", length));
#ifdef TCPDUMP_DO_SMB
- ipx_netbios_print(datap, length);
+ ipx_netbios_print(ndo, datap, length);
#endif
break;
case IPX_SKT_EIGRP:
- eigrp_print(datap, length);
+ eigrp_print(ndo, datap, length);
break;
default:
- (void)printf("ipx-#%x %d", dstSkt, length);
+ ND_PRINT((ndo, "ipx-#%x %d", dstSkt, length));
break;
}
}
-void
-ipx_sap_print(const u_short *ipx, u_int length)
+static void
+ipx_sap_print(netdissect_options *ndo, const u_short *ipx, u_int length)
{
int command, i;
- TCHECK(ipx[0]);
+ ND_TCHECK(ipx[0]);
command = EXTRACT_16BITS(ipx);
ipx++;
length -= 2;
@@ -145,79 +162,79 @@ ipx_sap_print(const u_short *ipx, u_int length)
case 1:
case 3:
if (command == 1)
- (void)printf("ipx-sap-req");
+ ND_PRINT((ndo, "ipx-sap-req"));
else
- (void)printf("ipx-sap-nearest-req");
+ ND_PRINT((ndo, "ipx-sap-nearest-req"));
- TCHECK(ipx[0]);
- (void)printf(" %s", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0]))));
+ ND_TCHECK(ipx[0]);
+ ND_PRINT((ndo, " %s", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0])))));
break;
case 2:
case 4:
if (command == 2)
- (void)printf("ipx-sap-resp");
+ ND_PRINT((ndo, "ipx-sap-resp"));
else
- (void)printf("ipx-sap-nearest-resp");
+ ND_PRINT((ndo, "ipx-sap-nearest-resp"));
for (i = 0; i < 8 && length > 0; i++) {
- TCHECK(ipx[0]);
- (void)printf(" %s '", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0]))));
- if (fn_printzp((u_char *)&ipx[1], 48, snapend)) {
- printf("'");
+ ND_TCHECK(ipx[0]);
+ ND_PRINT((ndo, " %s '", ipxsap_string(htons(EXTRACT_16BITS(&ipx[0])))));
+ if (fn_printzp(ndo, (u_char *)&ipx[1], 48, ndo->ndo_snapend)) {
+ ND_PRINT((ndo, "'"));
goto trunc;
}
- TCHECK2(ipx[25], 10);
- printf("' addr %s",
- ipxaddr_string(EXTRACT_32BITS(&ipx[25]), (u_char *)&ipx[27]));
+ ND_TCHECK2(ipx[25], 10);
+ ND_PRINT((ndo, "' addr %s",
+ ipxaddr_string(EXTRACT_32BITS(&ipx[25]), (u_char *)&ipx[27])));
ipx += 32;
length -= 64;
}
break;
default:
- (void)printf("ipx-sap-?%x", command);
+ ND_PRINT((ndo, "ipx-sap-?%x", command));
break;
}
return;
trunc:
- printf("[|ipx %d]", length);
+ ND_PRINT((ndo, "[|ipx %d]", length));
}
-void
-ipx_rip_print(const u_short *ipx, u_int length)
+static void
+ipx_rip_print(netdissect_options *ndo, const u_short *ipx, u_int length)
{
int command, i;
- TCHECK(ipx[0]);
+ ND_TCHECK(ipx[0]);
command = EXTRACT_16BITS(ipx);
ipx++;
length -= 2;
switch (command) {
case 1:
- (void)printf("ipx-rip-req");
+ ND_PRINT((ndo, "ipx-rip-req"));
if (length > 0) {
- TCHECK(ipx[3]);
- (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]),
- EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
+ ND_TCHECK(ipx[3]);
+ ND_PRINT((ndo, " %08x/%d.%d", EXTRACT_32BITS(&ipx[0]),
+ EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3])));
}
break;
case 2:
- (void)printf("ipx-rip-resp");
+ ND_PRINT((ndo, "ipx-rip-resp"));
for (i = 0; i < 50 && length > 0; i++) {
- TCHECK(ipx[3]);
- (void)printf(" %08x/%d.%d", EXTRACT_32BITS(&ipx[0]),
- EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3]));
+ ND_TCHECK(ipx[3]);
+ ND_PRINT((ndo, " %08x/%d.%d", EXTRACT_32BITS(&ipx[0]),
+ EXTRACT_16BITS(&ipx[2]), EXTRACT_16BITS(&ipx[3])));
ipx += 4;
length -= 8;
}
break;
default:
- (void)printf("ipx-rip-?%x", command);
+ ND_PRINT((ndo, "ipx-rip-?%x", command));
break;
}
return;
trunc:
- printf("[|ipx %d]", length);
+ ND_PRINT((ndo, "[|ipx %d]", length));
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-27 06:38:15 +0000