Adding upstream version 4.99.4.upstream/4.99.4

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 267 insertions, 0 deletions

diff --git a/print-ipx.c b/print-ipx.c
new file mode 100644
index 0000000..f8c0ce7
--- /dev/null
+++ b/print-ipx.c
@@ -0,0 +1,267 @@
+/*
+ * Copyright (c) 1994, 1995, 1996
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * 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.
+ *
+ * Contributed by Brad Parker (brad@fcr.com).
+ */
+
+/* \summary: Novell IPX printer */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include <stdio.h>
+
+#define ND_LONGJMP_FROM_TCHECK
+#include "netdissect.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+/* 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 {
+    nd_uint16_t	cksum;		/* Checksum */
+    nd_uint16_t	length;		/* Length, in bytes, including header */
+    nd_uint8_t	tCtl;		/* Transport Control (i.e. hop count) */
+    nd_uint8_t	pType;		/* Packet Type (i.e. level 2 protocol) */
+    nd_uint32_t	dstNet;		/* destination net */
+    nd_mac_addr	dstNode;	/* destination node */
+    nd_uint16_t	dstSkt;		/* destination socket */
+    nd_uint32_t	srcNet;		/* source net */
+    nd_mac_addr	srcNode;	/* source node */
+    nd_uint16_t	srcSkt;		/* source socket */
+};
+
+#define ipxSize	30
+
+static const char *ipxaddr_string(netdissect_options *, 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_char *, u_int);
+static void ipx_rip_print(netdissect_options *, const u_char *, u_int);
+
+/*
+ * Print IPX datagram packets.
+ */
+void
+ipx_print(netdissect_options *ndo, const u_char *p, u_int length)
+{
+	const struct ipxHdr *ipx = (const struct ipxHdr *)p;
+
+	ndo->ndo_protocol = "ipx";
+	if (!ndo->ndo_eflag)
+		ND_PRINT("IPX ");
+
+	ND_PRINT("%s.%04x > ",
+		     ipxaddr_string(ndo, GET_BE_U_4(ipx->srcNet), ipx->srcNode),
+		     GET_BE_U_2(ipx->srcSkt));
+
+	ND_PRINT("%s.%04x: ",
+		     ipxaddr_string(ndo, GET_BE_U_4(ipx->dstNet), ipx->dstNode),
+		     GET_BE_U_2(ipx->dstSkt));
+
+	/* take length from ipx header */
+	length = GET_BE_U_2(ipx->length);
+
+	if (length < ipxSize) {
+		ND_PRINT("[length %u < %u]", length, ipxSize);
+		nd_print_invalid(ndo);
+		return;
+	}
+	ipx_decode(ndo, ipx, p + ipxSize, length - ipxSize);
+}
+
+static const char *
+ipxaddr_string(netdissect_options *ndo, uint32_t net, const u_char *node)
+{
+    static char line[256];
+
+    snprintf(line, sizeof(line), "%08x.%02x:%02x:%02x:%02x:%02x:%02x",
+	    net, GET_U_1(node), GET_U_1(node + 1),
+	    GET_U_1(node + 2), GET_U_1(node + 3),
+	    GET_U_1(node + 4), GET_U_1(node + 5));
+
+    return line;
+}
+
+static void
+ipx_decode(netdissect_options *ndo, const struct ipxHdr *ipx, const u_char *datap, u_int length)
+{
+    u_short dstSkt;
+
+    dstSkt = GET_BE_U_2(ipx->dstSkt);
+    switch (dstSkt) {
+      case IPX_SKT_NCP:
+	ND_PRINT("ipx-ncp %u", length);
+	break;
+      case IPX_SKT_SAP:
+	ipx_sap_print(ndo, datap, length);
+	break;
+      case IPX_SKT_RIP:
+	ipx_rip_print(ndo, datap, length);
+	break;
+      case IPX_SKT_NETBIOS:
+	ND_PRINT("ipx-netbios %u", length);
+#ifdef ENABLE_SMB
+	ipx_netbios_print(ndo, datap, length);
+#endif
+	break;
+      case IPX_SKT_DIAGNOSTICS:
+	ND_PRINT("ipx-diags %u", length);
+	break;
+      case IPX_SKT_NWLINK_DGM:
+	ND_PRINT("ipx-nwlink-dgm %u", length);
+#ifdef ENABLE_SMB
+	ipx_netbios_print(ndo, datap, length);
+#endif
+	break;
+      case IPX_SKT_EIGRP:
+	eigrp_print(ndo, datap, length);
+	break;
+      default:
+	ND_PRINT("ipx-#%x %u", dstSkt, length);
+	break;
+    }
+}
+
+static void
+ipx_sap_print(netdissect_options *ndo, const u_char *ipx, u_int length)
+{
+    int command, i;
+
+    command = GET_BE_U_2(ipx);
+    ND_LCHECK_U(length, 2);
+    ipx += 2;
+    length -= 2;
+
+    switch (command) {
+      case 1:
+      case 3:
+	if (command == 1)
+	    ND_PRINT("ipx-sap-req");
+	else
+	    ND_PRINT("ipx-sap-nearest-req");
+
+	ND_PRINT(" %s", ipxsap_string(ndo, htons(GET_BE_U_2(ipx))));
+	break;
+
+      case 2:
+      case 4:
+	if (command == 2)
+	    ND_PRINT("ipx-sap-resp");
+	else
+	    ND_PRINT("ipx-sap-nearest-resp");
+
+	for (i = 0; i < 8 && length != 0; i++) {
+	    ND_TCHECK_2(ipx);
+	    if (length < 2)
+		goto invalid;
+	    ND_PRINT(" %s '", ipxsap_string(ndo, htons(GET_BE_U_2(ipx))));
+	    ipx += 2;
+	    length -= 2;
+	    if (length < 48) {
+		ND_PRINT("'");
+		goto invalid;
+	    }
+	    nd_printjnp(ndo, ipx, 48);
+	    ND_PRINT("'");
+	    ipx += 48;
+	    length -= 48;
+	    /*
+	     * 10 bytes of IPX address.
+	     */
+	    ND_TCHECK_LEN(ipx, 10);
+	    if (length < 10)
+		goto invalid;
+	    ND_PRINT(" addr %s",
+		ipxaddr_string(ndo, GET_BE_U_4(ipx), ipx + 4));
+	    ipx += 10;
+	    length -= 10;
+	    /*
+	     * 2 bytes of socket and 2 bytes of number of intermediate
+	     * networks.
+	     */
+	    ND_TCHECK_4(ipx);
+	    if (length < 4)
+		goto invalid;
+	    ipx += 4;
+	    length -= 4;
+	}
+	break;
+      default:
+	ND_PRINT("ipx-sap-?%x", command);
+	break;
+    }
+    return;
+
+invalid:
+    nd_print_invalid(ndo);
+}
+
+static void
+ipx_rip_print(netdissect_options *ndo, const u_char *ipx, u_int length)
+{
+    int command, i;
+
+    command = GET_BE_U_2(ipx);
+    ND_LCHECK_U(length, 2);
+    ipx += 2;
+    length -= 2;
+
+    switch (command) {
+      case 1:
+	ND_PRINT("ipx-rip-req");
+	if (length != 0) {
+	    if (length < 8)
+		goto invalid;
+	    ND_PRINT(" %08x/%u.%u", GET_BE_U_4(ipx),
+			 GET_BE_U_2(ipx + 4), GET_BE_U_2(ipx + 6));
+	}
+	break;
+      case 2:
+	ND_PRINT("ipx-rip-resp");
+	for (i = 0; i < 50 && length != 0; i++) {
+	    if (length < 8)
+		goto invalid;
+	    ND_PRINT(" %08x/%u.%u", GET_BE_U_4(ipx),
+			 GET_BE_U_2(ipx + 4), GET_BE_U_2(ipx + 6));
+
+	    ipx += 8;
+	    length -= 8;
+	}
+	break;
+      default:
+	ND_PRINT("ipx-rip-?%x", command);
+	break;
+    }
+    return;
+
+invalid:
+    nd_print_invalid(ndo);
+}