Merge remote-tracking branch 'goog/tcpdump'
* goog/tcpdump: (3066 commits)
Remove old version. Getting ready for new tcpdump 4.5
Support -Q for setting the capture direction.
Clean up the TLV processing loop.
With -A and -AA, don't send CRs to the standard output.
Use the new libpcap <pcap/nflog.h> for NFLOG definitions and declarations.
Do our own isascii(), isprint(), isgraph(), and toascii().
Fix a compiler warning.
Don't use the __attribute__((packed)) on most platforms.
The interval in an AODV HELLO extension is not aligned on a 4-byte boundary.
As with memcpy, so with memcmp.
More UNALIGNED_MEM{CPY,CMP} on IP addresses.
Another case where UNALIGNED_MEMCPY() is probably necessary.
No need for casting back and forth.
Only do the unaligned_mem{cpy,cmp} hack if necessary.
No need to declare unaligned_mem{cpy,cmp} in netdissect.h *and* interface.h.
More possibly-unaligned memcpy()s and assignments - use unaligned_memcpy().
Check for compiling for IPv6; don't check whether we can create an IPv6 socket.
Use unaligned_memcmp() to compare with IPv{4,6} addresses in a packet.
Use EXTRACT_nBITS even when just testing against zero.
Fix some more unaligned accesses.
...
Change-Id: I9e98707d30c989b9e32dcd5af798bd0746ab4434
diff --git a/print-sflow.c b/print-sflow.c
new file mode 100644
index 0000000..1a23d49
--- /dev/null
+++ b/print-sflow.c
@@ -0,0 +1,934 @@
+/*
+ * Copyright (c) 1998-2007 The TCPDUMP project
+ *
+ * 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, and (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.
+ * 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.
+ *
+ * The SFLOW protocol as per http://www.sflow.org/developers/specifications.php
+ *
+ * Original code by Carles Kishimoto <carles.kishimoto@gmail.com>
+ *
+ * Expansion and refactoring by Rick Jones <rick.jones2@hp.com>
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+"@(#) $Header: /tcpdump/master/tcpdump/print-sflow.c,v 1.1 2007-08-08 17:20:58 hannes Exp $";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "interface.h"
+#include "extract.h"
+#include "addrtoname.h"
+
+/*
+ * sFlow datagram
+ *
+ * 0 1 2 3
+ * 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sflow version (2,4,5) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IP version (1 for IPv4 | 2 for IPv6) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | IP Address AGENT (4 or 16 bytes) |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Sub agent ID |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Datagram sequence number |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | Switch uptime in ms |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * | num samples in datagram |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ *
+ */
+
+struct sflow_datagram_t {
+ u_int8_t version[4];
+ u_int8_t ip_version[4];
+ u_int8_t agent[4];
+ u_int8_t agent_id[4];
+ u_int8_t seqnum[4];
+ u_int8_t uptime[4];
+ u_int8_t samples[4];
+};
+
+struct sflow_sample_header {
+ u_int8_t format[4];
+ u_int8_t len[4];
+};
+
+#define SFLOW_FLOW_SAMPLE 1
+#define SFLOW_COUNTER_SAMPLE 2
+#define SFLOW_EXPANDED_FLOW_SAMPLE 3
+#define SFLOW_EXPANDED_COUNTER_SAMPLE 4
+
+static const struct tok sflow_format_values[] = {
+ { SFLOW_FLOW_SAMPLE, "flow sample" },
+ { SFLOW_COUNTER_SAMPLE, "counter sample" },
+ { SFLOW_EXPANDED_FLOW_SAMPLE, "expanded flow sample" },
+ { SFLOW_EXPANDED_COUNTER_SAMPLE, "expanded counter sample" },
+ { 0, NULL}
+};
+
+struct sflow_flow_sample_t {
+ u_int8_t seqnum[4];
+ u_int8_t typesource[4];
+ u_int8_t rate[4];
+ u_int8_t pool[4];
+ u_int8_t drops[4];
+ u_int8_t in_interface[4];
+ u_int8_t out_interface[4];
+ u_int8_t records[4];
+
+};
+
+struct sflow_expanded_flow_sample_t {
+ u_int8_t seqnum[4];
+ u_int8_t type[4];
+ u_int8_t index[4];
+ u_int8_t rate[4];
+ u_int8_t pool[4];
+ u_int8_t drops[4];
+ u_int8_t in_interface_format[4];
+ u_int8_t in_interface_value[4];
+ u_int8_t out_interface_format[4];
+ u_int8_t out_interface_value[4];
+ u_int8_t records[4];
+};
+
+#define SFLOW_FLOW_RAW_PACKET 1
+#define SFLOW_FLOW_ETHERNET_FRAME 2
+#define SFLOW_FLOW_IPV4_DATA 3
+#define SFLOW_FLOW_IPV6_DATA 4
+#define SFLOW_FLOW_EXTENDED_SWITCH_DATA 1001
+#define SFLOW_FLOW_EXTENDED_ROUTER_DATA 1002
+#define SFLOW_FLOW_EXTENDED_GATEWAY_DATA 1003
+#define SFLOW_FLOW_EXTENDED_USER_DATA 1004
+#define SFLOW_FLOW_EXTENDED_URL_DATA 1005
+#define SFLOW_FLOW_EXTENDED_MPLS_DATA 1006
+#define SFLOW_FLOW_EXTENDED_NAT_DATA 1007
+#define SFLOW_FLOW_EXTENDED_MPLS_TUNNEL 1008
+#define SFLOW_FLOW_EXTENDED_MPLS_VC 1009
+#define SFLOW_FLOW_EXTENDED_MPLS_FEC 1010
+#define SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC 1011
+#define SFLOW_FLOW_EXTENDED_VLAN_TUNNEL 1012
+
+static const struct tok sflow_flow_type_values[] = {
+ { SFLOW_FLOW_RAW_PACKET, "Raw packet"},
+ { SFLOW_FLOW_ETHERNET_FRAME, "Ethernet frame"},
+ { SFLOW_FLOW_IPV4_DATA, "IPv4 Data"},
+ { SFLOW_FLOW_IPV6_DATA, "IPv6 Data"},
+ { SFLOW_FLOW_EXTENDED_SWITCH_DATA, "Extended Switch data"},
+ { SFLOW_FLOW_EXTENDED_ROUTER_DATA, "Extended Router data"},
+ { SFLOW_FLOW_EXTENDED_GATEWAY_DATA, "Extended Gateway data"},
+ { SFLOW_FLOW_EXTENDED_USER_DATA, "Extended User data"},
+ { SFLOW_FLOW_EXTENDED_URL_DATA, "Extended URL data"},
+ { SFLOW_FLOW_EXTENDED_MPLS_DATA, "Extended MPLS data"},
+ { SFLOW_FLOW_EXTENDED_NAT_DATA, "Extended NAT data"},
+ { SFLOW_FLOW_EXTENDED_MPLS_TUNNEL, "Extended MPLS tunnel"},
+ { SFLOW_FLOW_EXTENDED_MPLS_VC, "Extended MPLS VC"},
+ { SFLOW_FLOW_EXTENDED_MPLS_FEC, "Extended MPLS FEC"},
+ { SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC, "Extended MPLS LVP FEC"},
+ { SFLOW_FLOW_EXTENDED_VLAN_TUNNEL, "Extended VLAN Tunnel"},
+ { 0, NULL}
+};
+
+#define SFLOW_HEADER_PROTOCOL_ETHERNET 1
+#define SFLOW_HEADER_PROTOCOL_IPV4 11
+#define SFLOW_HEADER_PROTOCOL_IPV6 12
+
+static const struct tok sflow_flow_raw_protocol_values[] = {
+ { SFLOW_HEADER_PROTOCOL_ETHERNET, "Ethernet"},
+ { SFLOW_HEADER_PROTOCOL_IPV4, "IPv4"},
+ { SFLOW_HEADER_PROTOCOL_IPV6, "IPv6"},
+ { 0, NULL}
+};
+
+struct sflow_expanded_flow_raw_t {
+ u_int8_t protocol[4];
+ u_int8_t length[4];
+ u_int8_t stripped_bytes[4];
+ u_int8_t header_size[4];
+};
+
+struct sflow_ethernet_frame_t {
+ u_int8_t length[4];
+ u_int8_t src_mac[8];
+ u_int8_t dst_mac[8];
+ u_int8_t type[4];
+};
+
+struct sflow_extended_switch_data_t {
+ u_int8_t src_vlan[4];
+ u_int8_t src_pri[4];
+ u_int8_t dst_vlan[4];
+ u_int8_t dst_pri[4];
+};
+
+struct sflow_counter_record_t {
+ u_int8_t format[4];
+ u_int8_t length[4];
+};
+
+struct sflow_flow_record_t {
+ u_int8_t format[4];
+ u_int8_t length[4];
+};
+
+struct sflow_counter_sample_t {
+ u_int8_t seqnum[4];
+ u_int8_t typesource[4];
+ u_int8_t records[4];
+};
+
+struct sflow_expanded_counter_sample_t {
+ u_int8_t seqnum[4];
+ u_int8_t type[4];
+ u_int8_t index[4];
+ u_int8_t records[4];
+};
+
+#define SFLOW_COUNTER_GENERIC 1
+#define SFLOW_COUNTER_ETHERNET 2
+#define SFLOW_COUNTER_TOKEN_RING 3
+#define SFLOW_COUNTER_BASEVG 4
+#define SFLOW_COUNTER_VLAN 5
+#define SFLOW_COUNTER_PROCESSOR 1001
+
+static const struct tok sflow_counter_type_values[] = {
+ { SFLOW_COUNTER_GENERIC, "Generic counter"},
+ { SFLOW_COUNTER_ETHERNET, "Ethernet counter"},
+ { SFLOW_COUNTER_TOKEN_RING, "Token ring counter"},
+ { SFLOW_COUNTER_BASEVG, "100 BaseVG counter"},
+ { SFLOW_COUNTER_VLAN, "Vlan counter"},
+ { SFLOW_COUNTER_PROCESSOR, "Processor counter"},
+ { 0, NULL}
+};
+
+#define SFLOW_IFACE_DIRECTION_UNKNOWN 0
+#define SFLOW_IFACE_DIRECTION_FULLDUPLEX 1
+#define SFLOW_IFACE_DIRECTION_HALFDUPLEX 2
+#define SFLOW_IFACE_DIRECTION_IN 3
+#define SFLOW_IFACE_DIRECTION_OUT 4
+
+static const struct tok sflow_iface_direction_values[] = {
+ { SFLOW_IFACE_DIRECTION_UNKNOWN, "unknown"},
+ { SFLOW_IFACE_DIRECTION_FULLDUPLEX, "full-duplex"},
+ { SFLOW_IFACE_DIRECTION_HALFDUPLEX, "half-duplex"},
+ { SFLOW_IFACE_DIRECTION_IN, "in"},
+ { SFLOW_IFACE_DIRECTION_OUT, "out"},
+ { 0, NULL}
+};
+
+struct sflow_generic_counter_t {
+ u_int8_t ifindex[4];
+ u_int8_t iftype[4];
+ u_int8_t ifspeed[8];
+ u_int8_t ifdirection[4];
+ u_int8_t ifstatus[4];
+ u_int8_t ifinoctets[8];
+ u_int8_t ifinunicastpkts[4];
+ u_int8_t ifinmulticastpkts[4];
+ u_int8_t ifinbroadcastpkts[4];
+ u_int8_t ifindiscards[4];
+ u_int8_t ifinerrors[4];
+ u_int8_t ifinunkownprotos[4];
+ u_int8_t ifoutoctets[8];
+ u_int8_t ifoutunicastpkts[4];
+ u_int8_t ifoutmulticastpkts[4];
+ u_int8_t ifoutbroadcastpkts[4];
+ u_int8_t ifoutdiscards[4];
+ u_int8_t ifouterrors[4];
+ u_int8_t ifpromiscmode[4];
+};
+
+struct sflow_ethernet_counter_t {
+ u_int8_t alignerrors[4];
+ u_int8_t fcserrors[4];
+ u_int8_t single_collision_frames[4];
+ u_int8_t multiple_collision_frames[4];
+ u_int8_t test_errors[4];
+ u_int8_t deferred_transmissions[4];
+ u_int8_t late_collisions[4];
+ u_int8_t excessive_collisions[4];
+ u_int8_t mac_transmit_errors[4];
+ u_int8_t carrier_sense_errors[4];
+ u_int8_t frame_too_longs[4];
+ u_int8_t mac_receive_errors[4];
+ u_int8_t symbol_errors[4];
+};
+
+struct sflow_100basevg_counter_t {
+ u_int8_t in_highpriority_frames[4];
+ u_int8_t in_highpriority_octets[8];
+ u_int8_t in_normpriority_frames[4];
+ u_int8_t in_normpriority_octets[8];
+ u_int8_t in_ipmerrors[4];
+ u_int8_t in_oversized[4];
+ u_int8_t in_data_errors[4];
+ u_int8_t in_null_addressed_frames[4];
+ u_int8_t out_highpriority_frames[4];
+ u_int8_t out_highpriority_octets[8];
+ u_int8_t transitioninto_frames[4];
+ u_int8_t hc_in_highpriority_octets[8];
+ u_int8_t hc_in_normpriority_octets[8];
+ u_int8_t hc_out_highpriority_octets[8];
+};
+
+struct sflow_vlan_counter_t {
+ u_int8_t vlan_id[4];
+ u_int8_t octets[8];
+ u_int8_t unicast_pkt[4];
+ u_int8_t multicast_pkt[4];
+ u_int8_t broadcast_pkt[4];
+ u_int8_t discards[4];
+};
+
+static int
+print_sflow_counter_generic(const u_char *pointer, u_int len) {
+
+ const struct sflow_generic_counter_t *sflow_gen_counter;
+
+ if (len < sizeof(struct sflow_generic_counter_t))
+ return 1;
+
+
+ sflow_gen_counter = (const struct sflow_generic_counter_t *)pointer;
+ printf("\n\t ifindex %u, iftype %u, ifspeed %" PRIu64 ", ifdirection %u (%s)",
+ EXTRACT_32BITS(sflow_gen_counter->ifindex),
+ EXTRACT_32BITS(sflow_gen_counter->iftype),
+ EXTRACT_64BITS(sflow_gen_counter->ifspeed),
+ EXTRACT_32BITS(sflow_gen_counter->ifdirection),
+ tok2str(sflow_iface_direction_values, "Unknown",
+ EXTRACT_32BITS(sflow_gen_counter->ifdirection)));
+ printf("\n\t ifstatus %u, adminstatus: %s, operstatus: %s",
+ EXTRACT_32BITS(sflow_gen_counter->ifstatus),
+ EXTRACT_32BITS(sflow_gen_counter->ifstatus)&1 ? "up" : "down",
+ (EXTRACT_32BITS(sflow_gen_counter->ifstatus)>>1)&1 ? "up" : "down");
+ printf("\n\t In octets %" PRIu64
+ ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u",
+ EXTRACT_64BITS(sflow_gen_counter->ifinoctets),
+ EXTRACT_32BITS(sflow_gen_counter->ifinunicastpkts),
+ EXTRACT_32BITS(sflow_gen_counter->ifinmulticastpkts),
+ EXTRACT_32BITS(sflow_gen_counter->ifinbroadcastpkts),
+ EXTRACT_32BITS(sflow_gen_counter->ifindiscards));
+ printf("\n\t In errors %u, unknown protos %u",
+ EXTRACT_32BITS(sflow_gen_counter->ifinerrors),
+ EXTRACT_32BITS(sflow_gen_counter->ifinunkownprotos));
+ printf("\n\t Out octets %" PRIu64
+ ", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u",
+ EXTRACT_64BITS(sflow_gen_counter->ifoutoctets),
+ EXTRACT_32BITS(sflow_gen_counter->ifoutunicastpkts),
+ EXTRACT_32BITS(sflow_gen_counter->ifoutmulticastpkts),
+ EXTRACT_32BITS(sflow_gen_counter->ifoutbroadcastpkts),
+ EXTRACT_32BITS(sflow_gen_counter->ifoutdiscards));
+ printf("\n\t Out errors %u, promisc mode %u",
+ EXTRACT_32BITS(sflow_gen_counter->ifouterrors),
+ EXTRACT_32BITS(sflow_gen_counter->ifpromiscmode));
+
+ return 0;
+}
+
+static int
+print_sflow_counter_ethernet(const u_char *pointer, u_int len){
+
+ const struct sflow_ethernet_counter_t *sflow_eth_counter;
+
+ if (len < sizeof(struct sflow_ethernet_counter_t))
+ return 1;
+
+ sflow_eth_counter = (const struct sflow_ethernet_counter_t *)pointer;
+ printf("\n\t align errors %u, fcs errors %u, single collision %u, multiple collision %u, test error %u",
+ EXTRACT_32BITS(sflow_eth_counter->alignerrors),
+ EXTRACT_32BITS(sflow_eth_counter->fcserrors),
+ EXTRACT_32BITS(sflow_eth_counter->single_collision_frames),
+ EXTRACT_32BITS(sflow_eth_counter->multiple_collision_frames),
+ EXTRACT_32BITS(sflow_eth_counter->test_errors));
+ printf("\n\t deferred %u, late collision %u, excessive collision %u, mac trans error %u",
+ EXTRACT_32BITS(sflow_eth_counter->deferred_transmissions),
+ EXTRACT_32BITS(sflow_eth_counter->late_collisions),
+ EXTRACT_32BITS(sflow_eth_counter->excessive_collisions),
+ EXTRACT_32BITS(sflow_eth_counter->mac_transmit_errors));
+ printf("\n\t carrier error %u, frames too long %u, mac receive errors %u, symbol errors %u",
+ EXTRACT_32BITS(sflow_eth_counter->carrier_sense_errors),
+ EXTRACT_32BITS(sflow_eth_counter->frame_too_longs),
+ EXTRACT_32BITS(sflow_eth_counter->mac_receive_errors),
+ EXTRACT_32BITS(sflow_eth_counter->symbol_errors));
+
+ return 0;
+}
+
+static int
+print_sflow_counter_token_ring(const u_char *pointer _U_, u_int len _U_) {
+
+ return 0;
+}
+
+static int
+print_sflow_counter_basevg(const u_char *pointer, u_int len) {
+
+ const struct sflow_100basevg_counter_t *sflow_100basevg_counter;
+
+ if (len < sizeof(struct sflow_100basevg_counter_t))
+ return 1;
+
+ sflow_100basevg_counter = (const struct sflow_100basevg_counter_t *)pointer;
+ printf("\n\t in high prio frames %u, in high prio octets %" PRIu64,
+ EXTRACT_32BITS(sflow_100basevg_counter->in_highpriority_frames),
+ EXTRACT_64BITS(sflow_100basevg_counter->in_highpriority_octets));
+ printf("\n\t in norm prio frames %u, in norm prio octets %" PRIu64,
+ EXTRACT_32BITS(sflow_100basevg_counter->in_normpriority_frames),
+ EXTRACT_64BITS(sflow_100basevg_counter->in_normpriority_octets));
+ printf("\n\t in ipm errors %u, oversized %u, in data errors %u, null addressed frames %u",
+ EXTRACT_32BITS(sflow_100basevg_counter->in_ipmerrors),
+ EXTRACT_32BITS(sflow_100basevg_counter->in_oversized),
+ EXTRACT_32BITS(sflow_100basevg_counter->in_data_errors),
+ EXTRACT_32BITS(sflow_100basevg_counter->in_null_addressed_frames));
+ printf("\n\t out high prio frames %u, out high prio octets %" PRIu64
+ ", trans into frames %u",
+ EXTRACT_32BITS(sflow_100basevg_counter->out_highpriority_frames),
+ EXTRACT_64BITS(sflow_100basevg_counter->out_highpriority_octets),
+ EXTRACT_32BITS(sflow_100basevg_counter->transitioninto_frames));
+ printf("\n\t in hc high prio octets %" PRIu64
+ ", in hc norm prio octets %" PRIu64
+ ", out hc high prio octets %" PRIu64,
+ EXTRACT_64BITS(sflow_100basevg_counter->hc_in_highpriority_octets),
+ EXTRACT_64BITS(sflow_100basevg_counter->hc_in_normpriority_octets),
+ EXTRACT_64BITS(sflow_100basevg_counter->hc_out_highpriority_octets));
+
+ return 0;
+}
+
+static int
+print_sflow_counter_vlan(const u_char *pointer, u_int len) {
+
+ const struct sflow_vlan_counter_t *sflow_vlan_counter;
+
+ if (len < sizeof(struct sflow_vlan_counter_t))
+ return 1;
+
+ sflow_vlan_counter = (const struct sflow_vlan_counter_t *)pointer;
+ printf("\n\t vlan_id %u, octets %" PRIu64
+ ", unicast_pkt %u, multicast_pkt %u, broadcast_pkt %u, discards %u",
+ EXTRACT_32BITS(sflow_vlan_counter->vlan_id),
+ EXTRACT_64BITS(sflow_vlan_counter->octets),
+ EXTRACT_32BITS(sflow_vlan_counter->unicast_pkt),
+ EXTRACT_32BITS(sflow_vlan_counter->multicast_pkt),
+ EXTRACT_32BITS(sflow_vlan_counter->broadcast_pkt),
+ EXTRACT_32BITS(sflow_vlan_counter->discards));
+
+ return 0;
+}
+
+struct sflow_processor_counter_t {
+ u_int8_t five_sec_util[4];
+ u_int8_t one_min_util[4];
+ u_int8_t five_min_util[4];
+ u_int8_t total_memory[8];
+ u_int8_t free_memory[8];
+};
+
+static int
+print_sflow_counter_processor(const u_char *pointer, u_int len) {
+
+ const struct sflow_processor_counter_t *sflow_processor_counter;
+
+ if (len < sizeof(struct sflow_processor_counter_t))
+ return 1;
+
+ sflow_processor_counter = (const struct sflow_processor_counter_t *)pointer;
+ printf("\n\t 5sec %u, 1min %u, 5min %u, total_mem %" PRIu64
+ ", total_mem %" PRIu64,
+ EXTRACT_32BITS(sflow_processor_counter->five_sec_util),
+ EXTRACT_32BITS(sflow_processor_counter->one_min_util),
+ EXTRACT_32BITS(sflow_processor_counter->five_min_util),
+ EXTRACT_64BITS(sflow_processor_counter->total_memory),
+ EXTRACT_64BITS(sflow_processor_counter->free_memory));
+
+ return 0;
+}
+
+static int
+sflow_print_counter_records(const u_char *pointer, u_int len, u_int records) {
+
+ u_int nrecords;
+ const u_char *tptr;
+ u_int tlen;
+ u_int counter_type;
+ u_int counter_len;
+ u_int enterprise;
+ const struct sflow_counter_record_t *sflow_counter_record;
+
+ nrecords = records;
+ tptr = pointer;
+ tlen = len;
+
+ while (nrecords > 0) {
+ /* do we have the "header?" */
+ if (tlen < sizeof(struct sflow_counter_record_t))
+ return 1;
+ sflow_counter_record = (const struct sflow_counter_record_t *)tptr;
+
+ enterprise = EXTRACT_32BITS(sflow_counter_record->format);
+ counter_type = enterprise & 0x0FFF;
+ enterprise = enterprise >> 20;
+ counter_len = EXTRACT_32BITS(sflow_counter_record->length);
+ printf("\n\t enterprise %u, %s (%u) length %u",
+ enterprise,
+ (enterprise == 0) ? tok2str(sflow_counter_type_values,"Unknown",counter_type) : "Unknown",
+ counter_type,
+ counter_len);
+
+ tptr += sizeof(struct sflow_counter_record_t);
+ tlen -= sizeof(struct sflow_counter_record_t);
+
+ if (tlen < counter_len)
+ return 1;
+ if (enterprise == 0) {
+ switch (counter_type) {
+ case SFLOW_COUNTER_GENERIC:
+ if (print_sflow_counter_generic(tptr,tlen))
+ return 1;
+ break;
+ case SFLOW_COUNTER_ETHERNET:
+ if (print_sflow_counter_ethernet(tptr,tlen))
+ return 1;
+ break;
+ case SFLOW_COUNTER_TOKEN_RING:
+ if (print_sflow_counter_token_ring(tptr,tlen))
+ return 1;
+ break;
+ case SFLOW_COUNTER_BASEVG:
+ if (print_sflow_counter_basevg(tptr,tlen))
+ return 1;
+ break;
+ case SFLOW_COUNTER_VLAN:
+ if (print_sflow_counter_vlan(tptr,tlen))
+ return 1;
+ break;
+ case SFLOW_COUNTER_PROCESSOR:
+ if (print_sflow_counter_processor(tptr,tlen))
+ return 1;
+ break;
+ default:
+ if (vflag <= 1)
+ print_unknown_data(tptr, "\n\t\t", counter_len);
+ break;
+ }
+ }
+ tptr += counter_len;
+ tlen -= counter_len;
+ nrecords--;
+
+ }
+
+ return 0;
+}
+
+
+static int
+sflow_print_counter_sample(const u_char *pointer, u_int len) {
+
+ const struct sflow_counter_sample_t *sflow_counter_sample;
+ u_int nrecords;
+ u_int typesource;
+ u_int type;
+ u_int index;
+
+
+ if (len < sizeof(struct sflow_counter_sample_t))
+ return 1;
+
+ sflow_counter_sample = (const struct sflow_counter_sample_t *)pointer;
+
+ typesource = EXTRACT_32BITS(sflow_counter_sample->typesource);
+ nrecords = EXTRACT_32BITS(sflow_counter_sample->records);
+ type = typesource >> 24;
+ index = typesource & 0x0FFF;
+
+ printf(" seqnum %u, type %u, idx %u, records %u",
+ EXTRACT_32BITS(sflow_counter_sample->seqnum),
+ type,
+ index,
+ nrecords);
+
+ return sflow_print_counter_records(pointer + sizeof(struct sflow_counter_sample_t),
+ len - sizeof(struct sflow_counter_sample_t),
+ nrecords);
+
+}
+
+static int
+sflow_print_expanded_counter_sample(const u_char *pointer, u_int len) {
+
+ const struct sflow_expanded_counter_sample_t *sflow_expanded_counter_sample;
+ u_int nrecords;
+
+
+ if (len < sizeof(struct sflow_expanded_counter_sample_t))
+ return 1;
+
+ sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)pointer;
+
+ nrecords = EXTRACT_32BITS(sflow_expanded_counter_sample->records);
+
+ printf(" seqnum %u, type %u, idx %u, records %u",
+ EXTRACT_32BITS(sflow_expanded_counter_sample->seqnum),
+ EXTRACT_32BITS(sflow_expanded_counter_sample->type),
+ EXTRACT_32BITS(sflow_expanded_counter_sample->index),
+ nrecords);
+
+ return sflow_print_counter_records(pointer + sizeof(struct sflow_expanded_counter_sample_t),
+ len - sizeof(struct sflow_expanded_counter_sample_t),
+ nrecords);
+
+}
+
+static int
+print_sflow_raw_packet(const u_char *pointer, u_int len) {
+
+ const struct sflow_expanded_flow_raw_t *sflow_flow_raw;
+
+ if (len < sizeof(struct sflow_expanded_flow_raw_t))
+ return 1;
+
+ sflow_flow_raw = (const struct sflow_expanded_flow_raw_t *)pointer;
+ printf("\n\t protocol %s (%u), length %u, stripped bytes %u, header_size %u",
+ tok2str(sflow_flow_raw_protocol_values,"Unknown",EXTRACT_32BITS(sflow_flow_raw->protocol)),
+ EXTRACT_32BITS(sflow_flow_raw->protocol),
+ EXTRACT_32BITS(sflow_flow_raw->length),
+ EXTRACT_32BITS(sflow_flow_raw->stripped_bytes),
+ EXTRACT_32BITS(sflow_flow_raw->header_size));
+
+ /* QUESTION - should we attempt to print the raw header itself?
+ assuming of course there is wnough data present to do so... */
+
+ return 0;
+}
+
+static int
+print_sflow_ethernet_frame(const u_char *pointer, u_int len) {
+
+ const struct sflow_ethernet_frame_t *sflow_ethernet_frame;
+
+ if (len < sizeof(struct sflow_ethernet_frame_t))
+ return 1;
+
+ sflow_ethernet_frame = (const struct sflow_ethernet_frame_t *)pointer;
+
+ printf("\n\t frame len %u, type %u",
+ EXTRACT_32BITS(sflow_ethernet_frame->length),
+ EXTRACT_32BITS(sflow_ethernet_frame->type));
+
+ return 0;
+}
+
+static int
+print_sflow_extended_switch_data(const u_char *pointer, u_int len) {
+
+ const struct sflow_extended_switch_data_t *sflow_extended_sw_data;
+
+ if (len < sizeof(struct sflow_extended_switch_data_t))
+ return 1;
+
+ sflow_extended_sw_data = (const struct sflow_extended_switch_data_t *)pointer;
+ printf("\n\t src vlan %u, src pri %u, dst vlan %u, dst pri %u",
+ EXTRACT_32BITS(sflow_extended_sw_data->src_vlan),
+ EXTRACT_32BITS(sflow_extended_sw_data->src_pri),
+ EXTRACT_32BITS(sflow_extended_sw_data->dst_vlan),
+ EXTRACT_32BITS(sflow_extended_sw_data->dst_pri));
+
+ return 0;
+}
+
+static int
+sflow_print_flow_records(const u_char *pointer, u_int len, u_int records) {
+
+ u_int nrecords;
+ const u_char *tptr;
+ u_int tlen;
+ u_int flow_type;
+ u_int enterprise;
+ u_int flow_len;
+ const struct sflow_flow_record_t *sflow_flow_record;
+
+ nrecords = records;
+ tptr = pointer;
+ tlen = len;
+
+ while (nrecords > 0) {
+ /* do we have the "header?" */
+ if (tlen < sizeof(struct sflow_flow_record_t))
+ return 1;
+
+ sflow_flow_record = (const struct sflow_flow_record_t *)tptr;
+
+ /* so, the funky encoding means we cannot blythly mask-off
+ bits, we must also check the enterprise. */
+
+ enterprise = EXTRACT_32BITS(sflow_flow_record->format);
+ flow_type = enterprise & 0x0FFF;
+ enterprise = enterprise >> 12;
+ flow_len = EXTRACT_32BITS(sflow_flow_record->length);
+ printf("\n\t enterprise %u %s (%u) length %u",
+ enterprise,
+ (enterprise == 0) ? tok2str(sflow_flow_type_values,"Unknown",flow_type) : "Unknown",
+ flow_type,
+ flow_len);
+
+ tptr += sizeof(struct sflow_flow_record_t);
+ tlen -= sizeof(struct sflow_flow_record_t);
+
+ if (tlen < flow_len)
+ return 1;
+
+ if (enterprise == 0) {
+ switch (flow_type) {
+ case SFLOW_FLOW_RAW_PACKET:
+ if (print_sflow_raw_packet(tptr,tlen))
+ return 1;
+ break;
+ case SFLOW_FLOW_EXTENDED_SWITCH_DATA:
+ if (print_sflow_extended_switch_data(tptr,tlen))
+ return 1;
+ break;
+ case SFLOW_FLOW_ETHERNET_FRAME:
+ if (print_sflow_ethernet_frame(tptr,tlen))
+ return 1;
+ break;
+ /* FIXME these need a decoder */
+ case SFLOW_FLOW_IPV4_DATA:
+ case SFLOW_FLOW_IPV6_DATA:
+ case SFLOW_FLOW_EXTENDED_ROUTER_DATA:
+ case SFLOW_FLOW_EXTENDED_GATEWAY_DATA:
+ case SFLOW_FLOW_EXTENDED_USER_DATA:
+ case SFLOW_FLOW_EXTENDED_URL_DATA:
+ case SFLOW_FLOW_EXTENDED_MPLS_DATA:
+ case SFLOW_FLOW_EXTENDED_NAT_DATA:
+ case SFLOW_FLOW_EXTENDED_MPLS_TUNNEL:
+ case SFLOW_FLOW_EXTENDED_MPLS_VC:
+ case SFLOW_FLOW_EXTENDED_MPLS_FEC:
+ case SFLOW_FLOW_EXTENDED_MPLS_LVP_FEC:
+ case SFLOW_FLOW_EXTENDED_VLAN_TUNNEL:
+ break;
+ default:
+ if (vflag <= 1)
+ print_unknown_data(tptr, "\n\t\t", flow_len);
+ break;
+ }
+ }
+ tptr += flow_len;
+ tlen -= flow_len;
+ nrecords--;
+
+ }
+
+ return 0;
+}
+
+static int
+sflow_print_flow_sample(const u_char *pointer, u_int len) {
+
+ const struct sflow_flow_sample_t *sflow_flow_sample;
+ u_int nrecords;
+ u_int typesource;
+ u_int type;
+ u_int index;
+
+ if (len < sizeof(struct sflow_flow_sample_t))
+ return 1;
+
+ sflow_flow_sample = (struct sflow_flow_sample_t *)pointer;
+
+ typesource = EXTRACT_32BITS(sflow_flow_sample->typesource);
+ nrecords = EXTRACT_32BITS(sflow_flow_sample->records);
+ type = typesource >> 24;
+ index = typesource & 0x0FFF;
+
+ printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, input %u output %u records %u",
+ EXTRACT_32BITS(sflow_flow_sample->seqnum),
+ type,
+ index,
+ EXTRACT_32BITS(sflow_flow_sample->rate),
+ EXTRACT_32BITS(sflow_flow_sample->pool),
+ EXTRACT_32BITS(sflow_flow_sample->drops),
+ EXTRACT_32BITS(sflow_flow_sample->in_interface),
+ EXTRACT_32BITS(sflow_flow_sample->out_interface),
+ nrecords);
+
+ return sflow_print_flow_records(pointer + sizeof(struct sflow_flow_sample_t),
+ len - sizeof(struct sflow_flow_sample_t),
+ nrecords);
+
+}
+
+static int
+sflow_print_expanded_flow_sample(const u_char *pointer, u_int len) {
+
+ const struct sflow_expanded_flow_sample_t *sflow_expanded_flow_sample;
+ u_int nrecords;
+
+ if (len < sizeof(struct sflow_expanded_flow_sample_t))
+ return 1;
+
+ sflow_expanded_flow_sample = (const struct sflow_expanded_flow_sample_t *)pointer;
+
+ nrecords = EXTRACT_32BITS(sflow_expanded_flow_sample->records);
+
+ printf(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, records %u",
+ EXTRACT_32BITS(sflow_expanded_flow_sample->seqnum),
+ EXTRACT_32BITS(sflow_expanded_flow_sample->type),
+ EXTRACT_32BITS(sflow_expanded_flow_sample->index),
+ EXTRACT_32BITS(sflow_expanded_flow_sample->rate),
+ EXTRACT_32BITS(sflow_expanded_flow_sample->pool),
+ EXTRACT_32BITS(sflow_expanded_flow_sample->drops),
+ EXTRACT_32BITS(sflow_expanded_flow_sample->records));
+
+ return sflow_print_flow_records(pointer + sizeof(struct sflow_expanded_flow_sample_t),
+ len - sizeof(struct sflow_expanded_flow_sample_t),
+ nrecords);
+
+}
+
+void
+sflow_print(const u_char *pptr, u_int len) {
+
+ const struct sflow_datagram_t *sflow_datagram;
+ const struct sflow_sample_header *sflow_sample;
+
+ const u_char *tptr;
+ u_int tlen;
+ u_int32_t sflow_sample_type, sflow_sample_len;
+ u_int32_t nsamples;
+
+
+ tptr = pptr;
+ tlen = len;
+ sflow_datagram = (const struct sflow_datagram_t *)pptr;
+ TCHECK(*sflow_datagram);
+
+ /*
+ * Sanity checking of the header.
+ */
+ if (EXTRACT_32BITS(sflow_datagram->version) != 5) {
+ printf("sFlow version %u packet not supported",
+ EXTRACT_32BITS(sflow_datagram->version));
+ return;
+ }
+
+ if (vflag < 1) {
+ printf("sFlowv%u, %s agent %s, agent-id %u, length %u",
+ EXTRACT_32BITS(sflow_datagram->version),
+ EXTRACT_32BITS(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6",
+ ipaddr_string(sflow_datagram->agent),
+ EXTRACT_32BITS(sflow_datagram->agent_id),
+ len);
+ return;
+ }
+
+ /* ok they seem to want to know everything - lets fully decode it */
+ nsamples=EXTRACT_32BITS(sflow_datagram->samples);
+ printf("sFlowv%u, %s agent %s, agent-id %u, seqnum %u, uptime %u, samples %u, length %u",
+ EXTRACT_32BITS(sflow_datagram->version),
+ EXTRACT_32BITS(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6",
+ ipaddr_string(sflow_datagram->agent),
+ EXTRACT_32BITS(sflow_datagram->agent_id),
+ EXTRACT_32BITS(sflow_datagram->seqnum),
+ EXTRACT_32BITS(sflow_datagram->uptime),
+ nsamples,
+ len);
+
+ /* skip Common header */
+ tptr += sizeof(const struct sflow_datagram_t);
+ tlen -= sizeof(const struct sflow_datagram_t);
+
+ while (nsamples > 0 && tlen > 0) {
+ sflow_sample = (const struct sflow_sample_header *)tptr;
+ TCHECK(*sflow_sample);
+
+ sflow_sample_type = (EXTRACT_32BITS(sflow_sample->format)&0x0FFF);
+ sflow_sample_len = EXTRACT_32BITS(sflow_sample->len);
+
+ if (tlen < sizeof(struct sflow_sample_header))
+ goto trunc;
+
+ tptr += sizeof(struct sflow_sample_header);
+ tlen -= sizeof(struct sflow_sample_header);
+
+ printf("\n\t%s (%u), length %u,",
+ tok2str(sflow_format_values, "Unknown", sflow_sample_type),
+ sflow_sample_type,
+ sflow_sample_len);
+
+ /* basic sanity check */
+ if (sflow_sample_type == 0 || sflow_sample_len ==0) {
+ return;
+ }
+
+ if (tlen < sflow_sample_len)
+ goto trunc;
+
+ /* did we capture enough for fully decoding the sample ? */
+ TCHECK2(*tptr, sflow_sample_len);
+
+ switch(sflow_sample_type) {
+ case SFLOW_FLOW_SAMPLE:
+ if (sflow_print_flow_sample(tptr,tlen))
+ goto trunc;
+ break;
+
+ case SFLOW_COUNTER_SAMPLE:
+ if (sflow_print_counter_sample(tptr,tlen))
+ goto trunc;
+ break;
+
+ case SFLOW_EXPANDED_FLOW_SAMPLE:
+ if (sflow_print_expanded_flow_sample(tptr,tlen))
+ goto trunc;
+ break;
+
+ case SFLOW_EXPANDED_COUNTER_SAMPLE:
+ if (sflow_print_expanded_counter_sample(tptr,tlen))
+ goto trunc;
+ break;
+
+ default:
+ if (vflag <= 1)
+ print_unknown_data(tptr, "\n\t ", sflow_sample_len);
+ break;
+ }
+ tptr += sflow_sample_len;
+ tlen -= sflow_sample_len;
+ nsamples--;
+ }
+ return;
+
+ trunc:
+ printf("[|SFLOW]");
+}
+
+/*
+ * Local Variables:
+ * c-style: whitesmith
+ * c-basic-offset: 4
+ * End:
+ */