Adding upstream version 4.99.3.upstream/4.99.3upstream

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

1 files changed, 354 insertions, 0 deletions

diff --git a/print-tipc.c b/print-tipc.c
new file mode 100644
index 0000000..54179a4
--- /dev/null
+++ b/print-tipc.c
@@ -0,0 +1,354 @@
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ *	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.
+ */
+
+/* \summary: Transparent Inter-Process Communication (TIPC) protocol printer */
+
+/*
+ * specification:
+ *     https://web.archive.org/web/20150302152944/http://tipc.sourceforge.net/doc/draft-spec-tipc-07.html
+ *     https://web.archive.org/web/20161025110514/http://tipc.sourceforge.net/doc/tipc_message_formats.html
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "ethertype.h"
+#include "extract.h"
+
+
+#define TIPC_USER_LOW_IMPORTANCE	0
+#define TIPC_USER_MEDIUM_IMPORTANCE	1
+#define TIPC_USER_HIGH_IMPORTANCE	2
+#define TIPC_USER_CRITICAL_IMPORTANCE	3
+#define TIPC_USER_BCAST_PROTOCOL	5
+#define TIPC_USER_MSG_BUNDLER		6
+#define TIPC_USER_LINK_PROTOCOL		7
+#define TIPC_USER_CONN_MANAGER		8
+#define TIPC_USER_CHANGEOVER_PROTOCOL	10
+#define TIPC_USER_NAME_DISTRIBUTOR	11
+#define TIPC_USER_MSG_FRAGMENTER	12
+#define TIPC_USER_LINK_CONFIG		13
+
+#define TIPC_CONN_MSG			0
+#define TIPC_DIRECT_MSG			1
+#define TIPC_NAMED_MSG			2
+#define TIPC_MCAST_MSG			3
+
+#define TIPC_ZONE(addr)		(((addr) >> 24) & 0xFF)
+#define TIPC_CLUSTER(addr)	(((addr) >> 12) & 0xFFF)
+#define TIPC_NODE(addr)		(((addr) >> 0) & 0xFFF)
+
+struct tipc_pkthdr {
+	nd_uint32_t w0;
+	nd_uint32_t w1;
+};
+
+#define TIPC_VER(w0)		(((w0) >> 29) & 0x07)
+#define TIPC_USER(w0)		(((w0) >> 25) & 0x0F)
+#define TIPC_HSIZE(w0)		(((w0) >> 21) & 0x0F)
+#define TIPC_MSIZE(w0)		(((w0) >> 0) & 0x1FFFF)
+#define TIPC_MTYPE(w1)		(((w1) >> 29) & 0x07)
+#define TIPC_BROADCAST_ACK(w1)	(((w1) >> 0) & 0xFFFF)
+#define TIPC_LINK_ACK(w2)	(((w2) >> 16) & 0xFFFF)
+#define TIPC_LINK_SEQ(w2)	(((w2) >> 0) & 0xFFFF)
+
+static const struct tok tipcuser_values[] = {
+    { TIPC_USER_LOW_IMPORTANCE,      "Low Importance Data payload" },
+    { TIPC_USER_MEDIUM_IMPORTANCE,   "Medium Importance Data payload" },
+    { TIPC_USER_HIGH_IMPORTANCE,     "High Importance Data payload" },
+    { TIPC_USER_CRITICAL_IMPORTANCE, "Critical Importance Data payload" },
+    { TIPC_USER_BCAST_PROTOCOL,      "Broadcast Link Protocol internal" },
+    { TIPC_USER_MSG_BUNDLER,         "Message Bundler Protocol internal" },
+    { TIPC_USER_LINK_PROTOCOL,       "Link State Protocol internal" },
+    { TIPC_USER_CONN_MANAGER,        "Connection Manager internal" },
+    { TIPC_USER_CHANGEOVER_PROTOCOL, "Link Changeover Protocol internal" },
+    { TIPC_USER_NAME_DISTRIBUTOR,    "Name Table Update Protocol internal" },
+    { TIPC_USER_MSG_FRAGMENTER,      "Message Fragmentation Protocol internal" },
+    { TIPC_USER_LINK_CONFIG,         "Neighbor Detection Protocol internal" },
+    { 0, NULL }
+};
+
+static const struct tok tipcmtype_values[] = {
+    { TIPC_CONN_MSG,   "CONN_MSG" },
+    { TIPC_DIRECT_MSG, "MCAST_MSG" },
+    { TIPC_NAMED_MSG,  "NAMED_MSG" },
+    { TIPC_MCAST_MSG,  "DIRECT_MSG" },
+    { 0, NULL }
+};
+
+static const struct tok tipc_linkconf_mtype_values[] = {
+    { 0,   "Link request" },
+    { 1,   "Link response" },
+    { 0, NULL }
+};
+
+struct payload_tipc_pkthdr {
+	nd_uint32_t w0;
+	nd_uint32_t w1;
+	nd_uint32_t w2;
+	nd_uint32_t prev_node;
+	nd_uint32_t orig_port;
+	nd_uint32_t dest_port;
+	nd_uint32_t orig_node;
+	nd_uint32_t dest_node;
+	nd_uint32_t name_type;
+	nd_uint32_t w9;
+	nd_uint32_t wA;
+};
+
+struct  internal_tipc_pkthdr {
+	nd_uint32_t w0;
+	nd_uint32_t w1;
+	nd_uint32_t w2;
+	nd_uint32_t prev_node;
+	nd_uint32_t w4;
+	nd_uint32_t w5;
+	nd_uint32_t orig_node;
+	nd_uint32_t dest_node;
+	nd_uint32_t trans_seq;
+	nd_uint32_t w9;
+};
+
+#define TIPC_SEQ_GAP(w1)	(((w1) >> 16) & 0x1FFF)
+#define TIPC_BC_GAP_AFTER(w2)	(((w2) >> 16) & 0xFFFF)
+#define TIPC_BC_GAP_TO(w2)	(((w2) >> 0) & 0xFFFF)
+#define TIPC_LAST_SENT_FRAG(w4)	(((w4) >> 16) & 0xFFFF)
+#define TIPC_NEXT_SENT_FRAG(w4)	(((w4) >> 0) & 0xFFFF)
+#define TIPC_SESS_NO(w5)	(((w5) >> 16) & 0xFFFF)
+#define TIPC_MSG_CNT(w9)	(((w9) >> 16) & 0xFFFF)
+#define TIPC_LINK_TOL(w9)	(((w9) >> 0) & 0xFFFF)
+
+struct link_conf_tipc_pkthdr {
+	nd_uint32_t w0;
+	nd_uint32_t w1;
+	nd_uint32_t dest_domain;
+	nd_uint32_t prev_node;
+	nd_uint32_t ntwrk_id;
+	nd_uint32_t w5;
+	nd_byte     media_address[16];
+};
+
+#define TIPC_NODE_SIG(w1)	(((w1) >> 0) & 0xFFFF)
+#define TIPC_MEDIA_ID(w5)	(((w5) >> 0) & 0xFF)
+
+static void
+print_payload(netdissect_options *ndo, const struct payload_tipc_pkthdr *ap)
+{
+	uint32_t w0, w1, w2;
+	u_int user;
+	u_int hsize;
+	u_int msize;
+	u_int mtype;
+	u_int broadcast_ack;
+	u_int link_ack;
+	u_int link_seq;
+	u_int prev_node;
+	u_int orig_port;
+	u_int dest_port;
+	u_int orig_node;
+	u_int dest_node;
+
+	w0 = GET_BE_U_4(ap->w0);
+	user = TIPC_USER(w0);
+	hsize = TIPC_HSIZE(w0);
+	msize = TIPC_MSIZE(w0);
+	w1 = GET_BE_U_4(ap->w1);
+	mtype = TIPC_MTYPE(w1);
+	prev_node = GET_BE_U_4(ap->prev_node);
+	orig_port = GET_BE_U_4(ap->orig_port);
+	dest_port = GET_BE_U_4(ap->dest_port);
+	if (hsize <= 6) {
+		ND_PRINT("TIPC v%u.0 %u.%u.%u:%u > %u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
+		    TIPC_VER(w0),
+		    TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
+		    orig_port, dest_port,
+		    hsize*4, msize,
+		    tok2str(tipcuser_values, "unknown", user),
+		    tok2str(tipcmtype_values, "Unknown", mtype));
+	} else {
+		orig_node = GET_BE_U_4(ap->orig_node);
+		dest_node = GET_BE_U_4(ap->dest_node);
+		ND_PRINT("TIPC v%u.0 %u.%u.%u:%u > %u.%u.%u:%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
+		    TIPC_VER(w0),
+		    TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
+		    orig_port,
+		    TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
+		    dest_port,
+		    hsize*4, msize,
+		    tok2str(tipcuser_values, "unknown", user),
+		    tok2str(tipcmtype_values, "Unknown", mtype));
+
+		if (ndo->ndo_vflag) {
+			broadcast_ack = TIPC_BROADCAST_ACK(w1);
+			w2 = GET_BE_U_4(ap->w2);
+			link_ack = TIPC_LINK_ACK(w2);
+			link_seq = TIPC_LINK_SEQ(w2);
+			ND_PRINT("\n\tPrevious Node %u.%u.%u, Broadcast Ack %u, Link Ack %u, Link Sequence %u",
+			    TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
+			    broadcast_ack, link_ack, link_seq);
+		}
+	}
+}
+
+static void
+print_internal(netdissect_options *ndo, const struct internal_tipc_pkthdr *ap)
+{
+	uint32_t w0, w1, w2, w4, w5, w9;
+	u_int user;
+	u_int hsize;
+	u_int msize;
+	u_int mtype;
+	u_int seq_gap;
+	u_int broadcast_ack;
+	u_int bc_gap_after;
+	u_int bc_gap_to;
+	u_int prev_node;
+	u_int last_sent_frag;
+	u_int next_sent_frag;
+	u_int sess_no;
+	u_int orig_node;
+	u_int dest_node;
+	u_int trans_seq;
+	u_int msg_cnt;
+	u_int link_tol;
+
+	w0 = GET_BE_U_4(ap->w0);
+	user = TIPC_USER(w0);
+	hsize = TIPC_HSIZE(w0);
+	msize = TIPC_MSIZE(w0);
+	w1 = GET_BE_U_4(ap->w1);
+	mtype = TIPC_MTYPE(w1);
+	orig_node = GET_BE_U_4(ap->orig_node);
+	dest_node = GET_BE_U_4(ap->dest_node);
+	ND_PRINT("TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s (0x%08x)",
+	    TIPC_VER(w0),
+	    TIPC_ZONE(orig_node), TIPC_CLUSTER(orig_node), TIPC_NODE(orig_node),
+	    TIPC_ZONE(dest_node), TIPC_CLUSTER(dest_node), TIPC_NODE(dest_node),
+	    hsize*4, msize,
+	    tok2str(tipcuser_values, "unknown", user),
+	    tok2str(tipcmtype_values, "Unknown", mtype), w1);
+
+	if (ndo->ndo_vflag) {
+		seq_gap = TIPC_SEQ_GAP(w1);
+		broadcast_ack = TIPC_BROADCAST_ACK(w1);
+		w2 = GET_BE_U_4(ap->w2);
+		bc_gap_after = TIPC_BC_GAP_AFTER(w2);
+		bc_gap_to = TIPC_BC_GAP_TO(w2);
+		prev_node = GET_BE_U_4(ap->prev_node);
+		w4 = GET_BE_U_4(ap->w4);
+		last_sent_frag = TIPC_LAST_SENT_FRAG(w4);
+		next_sent_frag = TIPC_NEXT_SENT_FRAG(w4);
+		w5 = GET_BE_U_4(ap->w5);
+		sess_no = TIPC_SESS_NO(w5);
+		trans_seq = GET_BE_U_4(ap->trans_seq);
+		w9 = GET_BE_U_4(ap->w9);
+		msg_cnt = TIPC_MSG_CNT(w9);
+		link_tol = TIPC_LINK_TOL(w9);
+		ND_PRINT("\n\tPrevious Node %u.%u.%u, Session No. %u, Broadcast Ack %u, Sequence Gap %u,  Broadcast Gap After %u, Broadcast Gap To %u, Last Sent Packet No. %u, Next sent Packet No. %u, Transport Sequence %u, msg_count %u, Link Tolerance %u",
+		    TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
+		    sess_no, broadcast_ack, seq_gap, bc_gap_after, bc_gap_to,
+		    last_sent_frag, next_sent_frag, trans_seq, msg_cnt,
+		    link_tol);
+	}
+}
+
+static void
+print_link_conf(netdissect_options *ndo, const struct link_conf_tipc_pkthdr *ap)
+{
+	uint32_t w0, w1, w5;
+	u_int user;
+	u_int hsize;
+	u_int msize;
+	u_int mtype;
+	u_int node_sig;
+	u_int prev_node;
+	u_int dest_domain;
+	u_int ntwrk_id;
+	u_int media_id;
+
+	w0 = GET_BE_U_4(ap->w0);
+	user = TIPC_USER(w0);
+	hsize = TIPC_HSIZE(w0);
+	msize = TIPC_MSIZE(w0);
+	w1 = GET_BE_U_4(ap->w1);
+	mtype = TIPC_MTYPE(w1);
+	dest_domain = GET_BE_U_4(ap->dest_domain);
+	prev_node = GET_BE_U_4(ap->prev_node);
+
+	ND_PRINT("TIPC v%u.0 %u.%u.%u > %u.%u.%u, headerlength %u bytes, MessageSize %u bytes, %s, messageType %s",
+	    TIPC_VER(w0),
+	    TIPC_ZONE(prev_node), TIPC_CLUSTER(prev_node), TIPC_NODE(prev_node),
+	    TIPC_ZONE(dest_domain), TIPC_CLUSTER(dest_domain), TIPC_NODE(dest_domain),
+	    hsize*4, msize,
+	    tok2str(tipcuser_values, "unknown", user),
+	    tok2str(tipc_linkconf_mtype_values, "Unknown", mtype));
+	if (ndo->ndo_vflag) {
+		node_sig = TIPC_NODE_SIG(w1);
+		ntwrk_id = GET_BE_U_4(ap->ntwrk_id);
+		w5 = GET_BE_U_4(ap->w5);
+		media_id = TIPC_MEDIA_ID(w5);
+		ND_PRINT("\n\tNodeSignature %u, network_id %u, media_id %u",
+		    node_sig, ntwrk_id, media_id);
+	}
+}
+
+void
+tipc_print(netdissect_options *ndo, const u_char *bp, u_int length _U_,
+    u_int caplen _U_)
+{
+	const struct tipc_pkthdr *ap;
+	uint32_t w0;
+	u_int user;
+
+	ndo->ndo_protocol = "tipc";
+	ap = (const struct tipc_pkthdr *)bp;
+	w0 = GET_BE_U_4(ap->w0);
+	user = TIPC_USER(w0);
+
+	switch (user)
+	{
+		case TIPC_USER_LOW_IMPORTANCE:
+		case TIPC_USER_MEDIUM_IMPORTANCE:
+		case TIPC_USER_HIGH_IMPORTANCE:
+		case TIPC_USER_CRITICAL_IMPORTANCE:
+		case TIPC_USER_NAME_DISTRIBUTOR:
+		case TIPC_USER_CONN_MANAGER:
+			print_payload(ndo, (const struct payload_tipc_pkthdr *)bp);
+			break;
+
+		case TIPC_USER_LINK_CONFIG:
+			print_link_conf(ndo, (const struct link_conf_tipc_pkthdr *)bp);
+			break;
+
+		case TIPC_USER_BCAST_PROTOCOL:
+		case TIPC_USER_MSG_BUNDLER:
+		case TIPC_USER_LINK_PROTOCOL:
+		case TIPC_USER_CHANGEOVER_PROTOCOL:
+		case TIPC_USER_MSG_FRAGMENTER:
+			print_internal(ndo, (const struct internal_tipc_pkthdr *)bp);
+			break;
+
+	}
+}