Adding upstream version 4.99.4.upstream/4.99.4

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

1 files changed, 486 insertions, 0 deletions

diff --git a/print-cnfp.c b/print-cnfp.c
new file mode 100644
index 0000000..101148f
--- /dev/null
+++ b/print-cnfp.c
@@ -0,0 +1,486 @@
+/*	$OpenBSD: print-cnfp.c,v 1.2 1998/06/25 20:26:59 mickey Exp $	*/
+
+/*
+ * Copyright (c) 1998 Michael Shalayeff
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Michael Shalayeff.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/* \summary: Cisco NetFlow protocol printer */
+
+/*
+ * Cisco NetFlow protocol
+ *
+ * See
+ *
+ *    https://www.cisco.com/c/en/us/td/docs/net_mgmt/netflow_collection_engine/3-6/user/guide/format.html#wp1005892
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include <stdio.h>
+
+#include "netdissect.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#include "tcp.h"
+#include "ipproto.h"
+
+struct nfhdr_v1 {
+	nd_uint16_t	version;	/* version number */
+	nd_uint16_t	count;		/* # of records */
+	nd_uint32_t	msys_uptime;
+	nd_uint32_t	utc_sec;
+	nd_uint32_t	utc_nsec;
+};
+
+struct nfrec_v1 {
+	nd_ipv4		src_ina;
+	nd_ipv4		dst_ina;
+	nd_ipv4		nhop_ina;
+	nd_uint16_t	input;		/* SNMP index of input interface */
+	nd_uint16_t	output;		/* SNMP index of output interface */
+	nd_uint32_t	packets;	/* packets in the flow */
+	nd_uint32_t	octets;		/* layer 3 octets in the packets of the flow */
+	nd_uint32_t	start_time;	/* sys_uptime value at start of flow */
+	nd_uint32_t	last_time;	/* sys_uptime value when last packet of flow was received */
+	nd_uint16_t	srcport;	/* TCP/UDP source port or equivalent */
+	nd_uint16_t	dstport;	/* TCP/UDP source port or equivalent */
+	nd_byte		pad1[2];	/* pad */
+	nd_uint8_t	proto;		/* IP protocol type */
+	nd_uint8_t	tos;		/* IP type of service */
+	nd_uint8_t	tcp_flags;	/* cumulative OR of TCP flags */
+	nd_byte		pad[3];		/* padding */
+	nd_uint32_t	reserved;	/* unused */
+};
+
+struct nfhdr_v5 {
+	nd_uint16_t	version;	/* version number */
+	nd_uint16_t	count;		/* # of records */
+	nd_uint32_t	msys_uptime;
+	nd_uint32_t	utc_sec;
+	nd_uint32_t	utc_nsec;
+	nd_uint32_t	sequence;	/* flow sequence number */
+	nd_uint8_t	engine_type;	/* type of flow-switching engine */
+	nd_uint8_t	engine_id;	/* slot number of the flow-switching engine */
+	nd_uint16_t	sampling_interval; /* sampling mode and interval */
+};
+
+struct nfrec_v5 {
+	nd_ipv4		src_ina;
+	nd_ipv4		dst_ina;
+	nd_ipv4		nhop_ina;
+	nd_uint16_t	input;		/* SNMP index of input interface */
+	nd_uint16_t	output;		/* SNMP index of output interface */
+	nd_uint32_t	packets;	/* packets in the flow */
+	nd_uint32_t	octets;		/* layer 3 octets in the packets of the flow */
+	nd_uint32_t	start_time;	/* sys_uptime value at start of flow */
+	nd_uint32_t	last_time;	/* sys_uptime value when last packet of flow was received */
+	nd_uint16_t	srcport;	/* TCP/UDP source port or equivalent */
+	nd_uint16_t	dstport;	/* TCP/UDP source port or equivalent */
+	nd_byte		pad1;		/* pad */
+	nd_uint8_t	tcp_flags;	/* cumulative OR of TCP flags */
+	nd_uint8_t	proto;		/* IP protocol type */
+	nd_uint8_t	tos;		/* IP type of service */
+	nd_uint16_t	src_as;		/* AS number of the source */
+	nd_uint16_t	dst_as;		/* AS number of the destination */
+	nd_uint8_t	src_mask;	/* source address mask bits */
+	nd_uint8_t	dst_mask;	/* destination address prefix mask bits */
+	nd_byte		pad2[2];
+	nd_ipv4		peer_nexthop;	/* v6: IP address of the nexthop within the peer (FIB)*/
+};
+
+struct nfhdr_v6 {
+	nd_uint16_t	version;	/* version number */
+	nd_uint16_t	count;		/* # of records */
+	nd_uint32_t	msys_uptime;
+	nd_uint32_t	utc_sec;
+	nd_uint32_t	utc_nsec;
+	nd_uint32_t	sequence;	/* v5 flow sequence number */
+	nd_uint32_t	reserved;	/* v5 only */
+};
+
+struct nfrec_v6 {
+	nd_ipv4		src_ina;
+	nd_ipv4		dst_ina;
+	nd_ipv4		nhop_ina;
+	nd_uint16_t	input;		/* SNMP index of input interface */
+	nd_uint16_t	output;		/* SNMP index of output interface */
+	nd_uint32_t	packets;	/* packets in the flow */
+	nd_uint32_t	octets;		/* layer 3 octets in the packets of the flow */
+	nd_uint32_t	start_time;	/* sys_uptime value at start of flow */
+	nd_uint32_t	last_time;	/* sys_uptime value when last packet of flow was received */
+	nd_uint16_t	srcport;	/* TCP/UDP source port or equivalent */
+	nd_uint16_t	dstport;	/* TCP/UDP source port or equivalent */
+	nd_byte		pad1;		/* pad */
+	nd_uint8_t	tcp_flags;	/* cumulative OR of TCP flags */
+	nd_uint8_t	proto;		/* IP protocol type */
+	nd_uint8_t	tos;		/* IP type of service */
+	nd_uint16_t	src_as;		/* AS number of the source */
+	nd_uint16_t	dst_as;		/* AS number of the destination */
+	nd_uint8_t	src_mask;	/* source address mask bits */
+	nd_uint8_t	dst_mask;	/* destination address prefix mask bits */
+	nd_uint16_t	flags;
+	nd_ipv4		peer_nexthop;	/* v6: IP address of the nexthop within the peer (FIB)*/
+};
+
+static void
+cnfp_v1_print(netdissect_options *ndo, const u_char *cp)
+{
+	const struct nfhdr_v1 *nh;
+	const struct nfrec_v1 *nr;
+	const char *p_name;
+	uint8_t proto;
+	u_int nrecs, ver;
+#if 0
+	time_t t;
+#endif
+
+	nh = (const struct nfhdr_v1 *)cp;
+	ND_TCHECK_SIZE(nh);
+
+	ver = GET_BE_U_2(nh->version);
+	nrecs = GET_BE_U_4(nh->count);
+#if 0
+	/*
+	 * This is seconds since the UN*X epoch, and is followed by
+	 * nanoseconds.  XXX - format it, rather than just dumping the
+	 * raw seconds-since-the-Epoch.
+	 */
+	t = GET_BE_U_4(nh->utc_sec);
+#endif
+
+	ND_PRINT("NetFlow v%x, %u.%03u uptime, %u.%09u, ", ver,
+	       GET_BE_U_4(nh->msys_uptime)/1000,
+	       GET_BE_U_4(nh->msys_uptime)%1000,
+	       GET_BE_U_4(nh->utc_sec), GET_BE_U_4(nh->utc_nsec));
+
+	nr = (const struct nfrec_v1 *)&nh[1];
+
+	ND_PRINT("%2u recs", nrecs);
+
+	for (; nrecs != 0; nr++, nrecs--) {
+		char buf[20];
+		char asbuf[20];
+
+		/*
+		 * Make sure we have the entire record.
+		 */
+		ND_TCHECK_SIZE(nr);
+		ND_PRINT("\n  started %u.%03u, last %u.%03u",
+		       GET_BE_U_4(nr->start_time)/1000,
+		       GET_BE_U_4(nr->start_time)%1000,
+		       GET_BE_U_4(nr->last_time)/1000,
+		       GET_BE_U_4(nr->last_time)%1000);
+
+		asbuf[0] = buf[0] = '\0';
+		ND_PRINT("\n    %s%s%s:%u ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->src_ina)),
+			buf, asbuf,
+			GET_BE_U_2(nr->srcport));
+
+		ND_PRINT("> %s%s%s:%u ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->dst_ina)),
+			buf, asbuf,
+			GET_BE_U_2(nr->dstport));
+
+		ND_PRINT(">> %s\n    ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->nhop_ina)));
+
+		proto = GET_U_1(nr->proto);
+		if (!ndo->ndo_nflag && (p_name = netdb_protoname(proto)) != NULL)
+			ND_PRINT("%s ", p_name);
+		else
+			ND_PRINT("%u ", proto);
+
+		/* tcp flags for tcp only */
+		if (proto == IPPROTO_TCP) {
+			u_int flags;
+			flags = GET_U_1(nr->tcp_flags);
+			ND_PRINT("%s%s%s%s%s%s%s",
+				flags & TH_FIN  ? "F" : "",
+				flags & TH_SYN  ? "S" : "",
+				flags & TH_RST  ? "R" : "",
+				flags & TH_PUSH ? "P" : "",
+				flags & TH_ACK  ? "A" : "",
+				flags & TH_URG  ? "U" : "",
+				flags           ? " " : "");
+		}
+
+		buf[0]='\0';
+		ND_PRINT("tos %u, %u (%u octets) %s",
+		       GET_U_1(nr->tos),
+		       GET_BE_U_4(nr->packets),
+		       GET_BE_U_4(nr->octets), buf);
+	}
+	return;
+
+trunc:
+	nd_print_trunc(ndo);
+}
+
+static void
+cnfp_v5_print(netdissect_options *ndo, const u_char *cp)
+{
+	const struct nfhdr_v5 *nh;
+	const struct nfrec_v5 *nr;
+	const char *p_name;
+	uint8_t proto;
+	u_int nrecs, ver;
+#if 0
+	time_t t;
+#endif
+
+	nh = (const struct nfhdr_v5 *)cp;
+	ND_TCHECK_SIZE(nh);
+
+	ver = GET_BE_U_2(nh->version);
+	nrecs = GET_BE_U_4(nh->count);
+#if 0
+	/*
+	 * This is seconds since the UN*X epoch, and is followed by
+	 * nanoseconds.  XXX - format it, rather than just dumping the
+	 * raw seconds-since-the-Epoch.
+	 */
+	t = GET_BE_U_4(nh->utc_sec);
+#endif
+
+	ND_PRINT("NetFlow v%x, %u.%03u uptime, %u.%09u, ", ver,
+	       GET_BE_U_4(nh->msys_uptime)/1000,
+	       GET_BE_U_4(nh->msys_uptime)%1000,
+	       GET_BE_U_4(nh->utc_sec), GET_BE_U_4(nh->utc_nsec));
+
+	ND_PRINT("#%u, ", GET_BE_U_4(nh->sequence));
+	nr = (const struct nfrec_v5 *)&nh[1];
+
+	ND_PRINT("%2u recs", nrecs);
+
+	for (; nrecs != 0; nr++, nrecs--) {
+		char buf[20];
+		char asbuf[20];
+
+		/*
+		 * Make sure we have the entire record.
+		 */
+		ND_TCHECK_SIZE(nr);
+		ND_PRINT("\n  started %u.%03u, last %u.%03u",
+		       GET_BE_U_4(nr->start_time)/1000,
+		       GET_BE_U_4(nr->start_time)%1000,
+		       GET_BE_U_4(nr->last_time)/1000,
+		       GET_BE_U_4(nr->last_time)%1000);
+
+		asbuf[0] = buf[0] = '\0';
+		snprintf(buf, sizeof(buf), "/%u", GET_U_1(nr->src_mask));
+		snprintf(asbuf, sizeof(asbuf), ":%u",
+			GET_BE_U_2(nr->src_as));
+		ND_PRINT("\n    %s%s%s:%u ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->src_ina)),
+			buf, asbuf,
+			GET_BE_U_2(nr->srcport));
+
+		snprintf(buf, sizeof(buf), "/%u", GET_U_1(nr->dst_mask));
+		snprintf(asbuf, sizeof(asbuf), ":%u",
+			 GET_BE_U_2(nr->dst_as));
+		ND_PRINT("> %s%s%s:%u ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->dst_ina)),
+			buf, asbuf,
+			GET_BE_U_2(nr->dstport));
+
+		ND_PRINT(">> %s\n    ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->nhop_ina)));
+
+		proto = GET_U_1(nr->proto);
+		if (!ndo->ndo_nflag && (p_name = netdb_protoname(proto)) != NULL)
+			ND_PRINT("%s ", p_name);
+		else
+			ND_PRINT("%u ", proto);
+
+		/* tcp flags for tcp only */
+		if (proto == IPPROTO_TCP) {
+			u_int flags;
+			flags = GET_U_1(nr->tcp_flags);
+			ND_PRINT("%s%s%s%s%s%s%s",
+				flags & TH_FIN  ? "F" : "",
+				flags & TH_SYN  ? "S" : "",
+				flags & TH_RST  ? "R" : "",
+				flags & TH_PUSH ? "P" : "",
+				flags & TH_ACK  ? "A" : "",
+				flags & TH_URG  ? "U" : "",
+				flags           ? " " : "");
+		}
+
+		buf[0]='\0';
+		ND_PRINT("tos %u, %u (%u octets) %s",
+		       GET_U_1(nr->tos),
+		       GET_BE_U_4(nr->packets),
+		       GET_BE_U_4(nr->octets), buf);
+	}
+	return;
+
+trunc:
+	nd_print_trunc(ndo);
+}
+
+static void
+cnfp_v6_print(netdissect_options *ndo, const u_char *cp)
+{
+	const struct nfhdr_v6 *nh;
+	const struct nfrec_v6 *nr;
+	const char *p_name;
+	uint8_t proto;
+	u_int nrecs, ver;
+#if 0
+	time_t t;
+#endif
+
+	nh = (const struct nfhdr_v6 *)cp;
+	ND_TCHECK_SIZE(nh);
+
+	ver = GET_BE_U_2(nh->version);
+	nrecs = GET_BE_U_4(nh->count);
+#if 0
+	/*
+	 * This is seconds since the UN*X epoch, and is followed by
+	 * nanoseconds.  XXX - format it, rather than just dumping the
+	 * raw seconds-since-the-Epoch.
+	 */
+	t = GET_BE_U_4(nh->utc_sec);
+#endif
+
+	ND_PRINT("NetFlow v%x, %u.%03u uptime, %u.%09u, ", ver,
+	       GET_BE_U_4(nh->msys_uptime)/1000,
+	       GET_BE_U_4(nh->msys_uptime)%1000,
+	       GET_BE_U_4(nh->utc_sec), GET_BE_U_4(nh->utc_nsec));
+
+	ND_PRINT("#%u, ", GET_BE_U_4(nh->sequence));
+	nr = (const struct nfrec_v6 *)&nh[1];
+
+	ND_PRINT("%2u recs", nrecs);
+
+	for (; nrecs != 0; nr++, nrecs--) {
+		char buf[20];
+		char asbuf[20];
+
+		/*
+		 * Make sure we have the entire record.
+		 */
+		ND_TCHECK_SIZE(nr);
+		ND_PRINT("\n  started %u.%03u, last %u.%03u",
+		       GET_BE_U_4(nr->start_time)/1000,
+		       GET_BE_U_4(nr->start_time)%1000,
+		       GET_BE_U_4(nr->last_time)/1000,
+		       GET_BE_U_4(nr->last_time)%1000);
+
+		asbuf[0] = buf[0] = '\0';
+		snprintf(buf, sizeof(buf), "/%u", GET_U_1(nr->src_mask));
+		snprintf(asbuf, sizeof(asbuf), ":%u",
+			GET_BE_U_2(nr->src_as));
+		ND_PRINT("\n    %s%s%s:%u ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->src_ina)),
+			buf, asbuf,
+			GET_BE_U_2(nr->srcport));
+
+		snprintf(buf, sizeof(buf), "/%u", GET_U_1(nr->dst_mask));
+		snprintf(asbuf, sizeof(asbuf), ":%u",
+			 GET_BE_U_2(nr->dst_as));
+		ND_PRINT("> %s%s%s:%u ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->dst_ina)),
+			buf, asbuf,
+			GET_BE_U_2(nr->dstport));
+
+		ND_PRINT(">> %s\n    ",
+			intoa(GET_IPV4_TO_NETWORK_ORDER(nr->nhop_ina)));
+
+		proto = GET_U_1(nr->proto);
+		if (!ndo->ndo_nflag && (p_name = netdb_protoname(proto)) != NULL)
+			ND_PRINT("%s ", p_name);
+		else
+			ND_PRINT("%u ", proto);
+
+		/* tcp flags for tcp only */
+		if (proto == IPPROTO_TCP) {
+			u_int flags;
+			flags = GET_U_1(nr->tcp_flags);
+			ND_PRINT("%s%s%s%s%s%s%s",
+				flags & TH_FIN  ? "F" : "",
+				flags & TH_SYN  ? "S" : "",
+				flags & TH_RST  ? "R" : "",
+				flags & TH_PUSH ? "P" : "",
+				flags & TH_ACK  ? "A" : "",
+				flags & TH_URG  ? "U" : "",
+				flags           ? " " : "");
+		}
+
+		buf[0]='\0';
+		snprintf(buf, sizeof(buf), "(%u<>%u encaps)",
+			 (GET_BE_U_2(nr->flags) >> 8) & 0xff,
+			 (GET_BE_U_2(nr->flags)) & 0xff);
+		ND_PRINT("tos %u, %u (%u octets) %s",
+		       GET_U_1(nr->tos),
+		       GET_BE_U_4(nr->packets),
+		       GET_BE_U_4(nr->octets), buf);
+	}
+	return;
+
+trunc:
+	nd_print_trunc(ndo);
+}
+
+void
+cnfp_print(netdissect_options *ndo, const u_char *cp)
+{
+	int ver;
+
+	/*
+	 * First 2 bytes are the version number.
+	 */
+	ndo->ndo_protocol = "cnfp";
+	ver = GET_BE_U_2(cp);
+	switch (ver) {
+
+	case 1:
+		cnfp_v1_print(ndo, cp);
+		break;
+
+	case 5:
+		cnfp_v5_print(ndo, cp);
+		break;
+
+	case 6:
+		cnfp_v6_print(ndo, cp);
+		break;
+
+	default:
+		ND_PRINT("NetFlow v%x", ver);
+		break;
+	}
+}