The Tcpdump Group git mirrors - tcpdump/blobdiff

* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS

* FOR A PARTICULAR PURPOSE.

*

* 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 <[email protected]>

*

* Expansion and refactoring by Rick Jones <[email protected]>

*/

* Original code by Carles Kishimoto <[email protected]>

*

* Expansion and refactoring by Rick Jones <[email protected]>

*/

-#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

+/* \summary: sFlow protocol printer */

+

+/* specification: https://sflow.org/developers/specifications.php */

#ifdef HAVE_CONFIG_H

-#include "config.h"

+#include <config.h>

#endif

-#include <tcpdump-stdinc.h>

-

-#include <stdio.h>

-#include <stdlib.h>

-#include <string.h>

+#include "netdissect-stdinc.h"

-#include "interface.h"

+#define ND_LONGJMP_FROM_TCHECK

+#include "netdissect.h"

#include "extract.h"

#include "addrtoname.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

* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

* 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

* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

* | num samples in datagram |

* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

* | num samples in datagram |

* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+

- *

+ *

*/

struct sflow_datagram_t {

*/

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];

+ nd_uint32_t version;

+ nd_uint32_t ip_version;

+ nd_ipv4 agent;

+ nd_uint32_t agent_id;

+ nd_uint32_t seqnum;

+ nd_uint32_t uptime;

+ nd_uint32_t samples;

+};

+

+struct sflow_v6_datagram_t {

+ nd_uint32_t version;

+ nd_uint32_t ip_version;

+ nd_ipv6 agent;

+ nd_uint32_t agent_id;

+ nd_uint32_t seqnum;

+ nd_uint32_t uptime;

+ nd_uint32_t samples;

};

struct sflow_sample_header {

};

struct sflow_sample_header {

- u_int8_t format[4];

- u_int8_t len[4];

+ nd_uint32_t format;

+ nd_uint32_t len;

};

#define SFLOW_FLOW_SAMPLE 1

};

#define SFLOW_FLOW_SAMPLE 1

};

struct sflow_flow_sample_t {

};

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];

+ nd_uint32_t seqnum;

+ nd_uint8_t type;

+ nd_uint24_t index;

+ nd_uint32_t rate;

+ nd_uint32_t pool;

+ nd_uint32_t drops;

+ nd_uint32_t in_interface;

+ nd_uint32_t out_interface;

+ nd_uint32_t records;

};

struct sflow_expanded_flow_sample_t {

};

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];

+ nd_uint32_t seqnum;

+ nd_uint32_t type;

+ nd_uint32_t index;

+ nd_uint32_t rate;

+ nd_uint32_t pool;

+ nd_uint32_t drops;

+ nd_uint32_t in_interface_format;

+ nd_uint32_t in_interface_value;

+ nd_uint32_t out_interface_format;

+ nd_uint32_t out_interface_value;

+ nd_uint32_t records;

};

#define SFLOW_FLOW_RAW_PACKET 1

};

#define SFLOW_FLOW_RAW_PACKET 1

{ SFLOW_HEADER_PROTOCOL_IPV6, "IPv6"},

{ 0, NULL}

};

{ 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];

+ nd_uint32_t protocol;

+ nd_uint32_t length;

+ nd_uint32_t stripped_bytes;

+ nd_uint32_t header_size;

};

struct sflow_ethernet_frame_t {

};

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];

+ nd_uint32_t length;

+ nd_byte src_mac[8];

+ nd_byte dst_mac[8];

+ nd_uint32_t type;

};

struct sflow_extended_switch_data_t {

};

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];

+ nd_uint32_t src_vlan;

+ nd_uint32_t src_pri;

+ nd_uint32_t dst_vlan;

+ nd_uint32_t dst_pri;

};

struct sflow_counter_record_t {

};

struct sflow_counter_record_t {

- u_int8_t format[4];

- u_int8_t length[4];

+ nd_uint32_t format;

+ nd_uint32_t length;

};

struct sflow_flow_record_t {

};

struct sflow_flow_record_t {

- u_int8_t format[4];

- u_int8_t length[4];

+ nd_uint32_t format;

+ nd_uint32_t length;

};

struct sflow_counter_sample_t {

};

struct sflow_counter_sample_t {

- u_int8_t seqnum[4];

- u_int8_t typesource[4];

- u_int8_t records[4];

+ nd_uint32_t seqnum;

+ nd_uint8_t type;

+ nd_uint24_t index;

+ nd_uint32_t records;

};

struct sflow_expanded_counter_sample_t {

};

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];

+ nd_uint32_t seqnum;

+ nd_uint32_t type;

+ nd_uint32_t index;

+ nd_uint32_t records;

};

#define SFLOW_COUNTER_GENERIC 1

};

#define SFLOW_COUNTER_GENERIC 1

{ SFLOW_IFACE_DIRECTION_IN, "in"},

{ SFLOW_IFACE_DIRECTION_OUT, "out"},

{ 0, NULL}

{ 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];

+ nd_uint32_t ifindex;

+ nd_uint32_t iftype;

+ nd_uint64_t ifspeed;

+ nd_uint32_t ifdirection;

+ nd_uint32_t ifstatus;

+ nd_uint64_t ifinoctets;

+ nd_uint32_t ifinunicastpkts;

+ nd_uint32_t ifinmulticastpkts;

+ nd_uint32_t ifinbroadcastpkts;

+ nd_uint32_t ifindiscards;

+ nd_uint32_t ifinerrors;

+ nd_uint32_t ifinunkownprotos;

+ nd_uint64_t ifoutoctets;

+ nd_uint32_t ifoutunicastpkts;

+ nd_uint32_t ifoutmulticastpkts;

+ nd_uint32_t ifoutbroadcastpkts;

+ nd_uint32_t ifoutdiscards;

+ nd_uint32_t ifouterrors;

+ nd_uint32_t ifpromiscmode;

};

struct sflow_ethernet_counter_t {

};

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];

+ nd_uint32_t alignerrors;

+ nd_uint32_t fcserrors;

+ nd_uint32_t single_collision_frames;

+ nd_uint32_t multiple_collision_frames;

+ nd_uint32_t test_errors;

+ nd_uint32_t deferred_transmissions;

+ nd_uint32_t late_collisions;

+ nd_uint32_t excessive_collisions;

+ nd_uint32_t mac_transmit_errors;

+ nd_uint32_t carrier_sense_errors;

+ nd_uint32_t frame_too_longs;

+ nd_uint32_t mac_receive_errors;

+ nd_uint32_t symbol_errors;

};

struct sflow_100basevg_counter_t {

};

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];

+ nd_uint32_t in_highpriority_frames;

+ nd_uint64_t in_highpriority_octets;

+ nd_uint32_t in_normpriority_frames;

+ nd_uint64_t in_normpriority_octets;

+ nd_uint32_t in_ipmerrors;

+ nd_uint32_t in_oversized;

+ nd_uint32_t in_data_errors;

+ nd_uint32_t in_null_addressed_frames;

+ nd_uint32_t out_highpriority_frames;

+ nd_uint64_t out_highpriority_octets;

+ nd_uint32_t transitioninto_frames;

+ nd_uint64_t hc_in_highpriority_octets;

+ nd_uint64_t hc_in_normpriority_octets;

+ nd_uint64_t hc_out_highpriority_octets;

};

struct sflow_vlan_counter_t {

};

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];

+ nd_uint32_t vlan_id;

+ nd_uint64_t octets;

+ nd_uint32_t unicast_pkt;

+ nd_uint32_t multicast_pkt;

+ nd_uint32_t broadcast_pkt;

+ nd_uint32_t discards;

};

static int

};

static int

-print_sflow_counter_generic(const u_char *pointer, u_int len) {

-

+print_sflow_counter_generic(netdissect_options *ndo,

+ 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;

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 %u, ifdirection %u (%s)",

- EXTRACT_32BITS(sflow_gen_counter->ifindex),

- EXTRACT_32BITS(sflow_gen_counter->iftype),

- EXTRACT_32BITS(sflow_gen_counter->ifspeed),

- EXTRACT_32BITS(sflow_gen_counter->ifdirection),

+ ND_PRINT("\n\t ifindex %u, iftype %u, ifspeed %" PRIu64 ", ifdirection %u (%s)",

+ GET_BE_U_4(sflow_gen_counter->ifindex),

+ GET_BE_U_4(sflow_gen_counter->iftype),

+ GET_BE_U_8(sflow_gen_counter->ifspeed),

+ GET_BE_U_4(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

+ GET_BE_U_4(sflow_gen_counter->ifdirection)));

+ ND_PRINT("\n\t ifstatus %u, adminstatus: %s, operstatus: %s",

+ GET_BE_U_4(sflow_gen_counter->ifstatus),

+ GET_BE_U_4(sflow_gen_counter->ifstatus)&1 ? "up" : "down",

+ (GET_BE_U_4(sflow_gen_counter->ifstatus)>>1)&1 ? "up" : "down");

+ ND_PRINT("\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

+ GET_BE_U_8(sflow_gen_counter->ifinoctets),

+ GET_BE_U_4(sflow_gen_counter->ifinunicastpkts),

+ GET_BE_U_4(sflow_gen_counter->ifinmulticastpkts),

+ GET_BE_U_4(sflow_gen_counter->ifinbroadcastpkts),

+ GET_BE_U_4(sflow_gen_counter->ifindiscards));

+ ND_PRINT("\n\t In errors %u, unknown protos %u",

+ GET_BE_U_4(sflow_gen_counter->ifinerrors),

+ GET_BE_U_4(sflow_gen_counter->ifinunkownprotos));

+ ND_PRINT("\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));

+ GET_BE_U_8(sflow_gen_counter->ifoutoctets),

+ GET_BE_U_4(sflow_gen_counter->ifoutunicastpkts),

+ GET_BE_U_4(sflow_gen_counter->ifoutmulticastpkts),

+ GET_BE_U_4(sflow_gen_counter->ifoutbroadcastpkts),

+ GET_BE_U_4(sflow_gen_counter->ifoutdiscards));

+ ND_PRINT("\n\t Out errors %u, promisc mode %u",

+ GET_BE_U_4(sflow_gen_counter->ifouterrors),

+ GET_BE_U_4(sflow_gen_counter->ifpromiscmode));

return 0;

}

static int

return 0;

}

static int

-print_sflow_counter_ethernet(const u_char *pointer, u_int len){

-

+print_sflow_counter_ethernet(netdissect_options *ndo,

+ 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;

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));

+ ND_PRINT("\n\t align errors %u, fcs errors %u, single collision %u, multiple collision %u, test error %u",

+ GET_BE_U_4(sflow_eth_counter->alignerrors),

+ GET_BE_U_4(sflow_eth_counter->fcserrors),

+ GET_BE_U_4(sflow_eth_counter->single_collision_frames),

+ GET_BE_U_4(sflow_eth_counter->multiple_collision_frames),

+ GET_BE_U_4(sflow_eth_counter->test_errors));

+ ND_PRINT("\n\t deferred %u, late collision %u, excessive collision %u, mac trans error %u",

+ GET_BE_U_4(sflow_eth_counter->deferred_transmissions),

+ GET_BE_U_4(sflow_eth_counter->late_collisions),

+ GET_BE_U_4(sflow_eth_counter->excessive_collisions),

+ GET_BE_U_4(sflow_eth_counter->mac_transmit_errors));

+ ND_PRINT("\n\t carrier error %u, frames too long %u, mac receive errors %u, symbol errors %u",

+ GET_BE_U_4(sflow_eth_counter->carrier_sense_errors),

+ GET_BE_U_4(sflow_eth_counter->frame_too_longs),

+ GET_BE_U_4(sflow_eth_counter->mac_receive_errors),

+ GET_BE_U_4(sflow_eth_counter->symbol_errors));

return 0;

}

static int

return 0;

}

static int

-print_sflow_counter_token_ring(const u_char *pointer _U_, u_int len _U_) {

-

+print_sflow_counter_token_ring(netdissect_options *ndo _U_,

+ const u_char *pointer _U_, u_int len _U_)

+{

return 0;

}

static int

return 0;

}

static int

-print_sflow_counter_basevg(const u_char *pointer, u_int len) {

-

+print_sflow_counter_basevg(netdissect_options *ndo,

+ 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;

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

+ ND_PRINT("\n\t in high prio frames %u, in high prio octets %" PRIu64,

+ GET_BE_U_4(sflow_100basevg_counter->in_highpriority_frames),

+ GET_BE_U_8(sflow_100basevg_counter->in_highpriority_octets));

+ ND_PRINT("\n\t in norm prio frames %u, in norm prio octets %" PRIu64,

+ GET_BE_U_4(sflow_100basevg_counter->in_normpriority_frames),

+ GET_BE_U_8(sflow_100basevg_counter->in_normpriority_octets));

+ ND_PRINT("\n\t in ipm errors %u, oversized %u, in data errors %u, null addressed frames %u",

+ GET_BE_U_4(sflow_100basevg_counter->in_ipmerrors),

+ GET_BE_U_4(sflow_100basevg_counter->in_oversized),

+ GET_BE_U_4(sflow_100basevg_counter->in_data_errors),

+ GET_BE_U_4(sflow_100basevg_counter->in_null_addressed_frames));

+ ND_PRINT("\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

+ GET_BE_U_4(sflow_100basevg_counter->out_highpriority_frames),

+ GET_BE_U_8(sflow_100basevg_counter->out_highpriority_octets),

+ GET_BE_U_4(sflow_100basevg_counter->transitioninto_frames));

+ ND_PRINT("\n\t in hc high prio octets %" PRIu64

", in hc norm prio octets %" PRIu64

", out 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));

+ GET_BE_U_8(sflow_100basevg_counter->hc_in_highpriority_octets),

+ GET_BE_U_8(sflow_100basevg_counter->hc_in_normpriority_octets),

+ GET_BE_U_8(sflow_100basevg_counter->hc_out_highpriority_octets));

return 0;

}

static int

return 0;

}

static int

-print_sflow_counter_vlan(const u_char *pointer, u_int len) {

-

+print_sflow_counter_vlan(netdissect_options *ndo,

+ 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;

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

+ ND_PRINT("\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));

+ GET_BE_U_4(sflow_vlan_counter->vlan_id),

+ GET_BE_U_8(sflow_vlan_counter->octets),

+ GET_BE_U_4(sflow_vlan_counter->unicast_pkt),

+ GET_BE_U_4(sflow_vlan_counter->multicast_pkt),

+ GET_BE_U_4(sflow_vlan_counter->broadcast_pkt),

+ GET_BE_U_4(sflow_vlan_counter->discards));

return 0;

}

struct sflow_processor_counter_t {

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];

+ nd_uint32_t five_sec_util;

+ nd_uint32_t one_min_util;

+ nd_uint32_t five_min_util;

+ nd_uint64_t total_memory;

+ nd_uint64_t free_memory;

};

static int

};

static int

-print_sflow_counter_processor(const u_char *pointer, u_int len) {

-

+print_sflow_counter_processor(netdissect_options *ndo,

+ 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;

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

+ ND_PRINT("\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));

+ GET_BE_U_4(sflow_processor_counter->five_sec_util),

+ GET_BE_U_4(sflow_processor_counter->one_min_util),

+ GET_BE_U_4(sflow_processor_counter->five_min_util),

+ GET_BE_U_8(sflow_processor_counter->total_memory),

+ GET_BE_U_8(sflow_processor_counter->free_memory));

return 0;

}

static int

return 0;

}

static int

-sflow_print_counter_records(const u_char *pointer, u_int len, u_int records) {

-

+sflow_print_counter_records(netdissect_options *ndo,

+ const u_char *pointer, u_int len, u_int records)

+{

u_int nrecords;

const u_char *tptr;

u_int tlen;

u_int nrecords;

const u_char *tptr;

u_int tlen;

return 1;

sflow_counter_record = (const struct sflow_counter_record_t *)tptr;

return 1;

sflow_counter_record = (const struct sflow_counter_record_t *)tptr;

- enterprise = EXTRACT_32BITS(sflow_counter_record->format);

+ enterprise = GET_BE_U_4(sflow_counter_record->format);

counter_type = enterprise & 0x0FFF;

enterprise = enterprise >> 20;

counter_type = enterprise & 0x0FFF;

enterprise = enterprise >> 20;

- counter_len = EXTRACT_32BITS(sflow_counter_record->length);

- printf("\n\t enterprise %u, %s (%u) length %u",

+ counter_len = GET_BE_U_4(sflow_counter_record->length);

+ ND_PRINT("\n\t enterprise %u, %s (%u) length %u",

enterprise,

(enterprise == 0) ? tok2str(sflow_counter_type_values,"Unknown",counter_type) : "Unknown",

counter_type,

enterprise,

(enterprise == 0) ? tok2str(sflow_counter_type_values,"Unknown",counter_type) : "Unknown",

counter_type,

if (enterprise == 0) {

switch (counter_type) {

case SFLOW_COUNTER_GENERIC:

if (enterprise == 0) {

switch (counter_type) {

case SFLOW_COUNTER_GENERIC:

- if (print_sflow_counter_generic(tptr,tlen))

+ if (print_sflow_counter_generic(ndo, tptr, tlen))

return 1;

break;

case SFLOW_COUNTER_ETHERNET:

return 1;

break;

case SFLOW_COUNTER_ETHERNET:

- if (print_sflow_counter_ethernet(tptr,tlen))

+ if (print_sflow_counter_ethernet(ndo, tptr, tlen))

return 1;

break;

case SFLOW_COUNTER_TOKEN_RING:

return 1;

break;

case SFLOW_COUNTER_TOKEN_RING:

- if (print_sflow_counter_token_ring(tptr,tlen))

+ if (print_sflow_counter_token_ring(ndo, tptr,tlen))

return 1;

break;

case SFLOW_COUNTER_BASEVG:

return 1;

break;

case SFLOW_COUNTER_BASEVG:

- if (print_sflow_counter_basevg(tptr,tlen))

+ if (print_sflow_counter_basevg(ndo, tptr, tlen))

return 1;

break;

case SFLOW_COUNTER_VLAN:

return 1;

break;

case SFLOW_COUNTER_VLAN:

- if (print_sflow_counter_vlan(tptr,tlen))

+ if (print_sflow_counter_vlan(ndo, tptr, tlen))

return 1;

break;

case SFLOW_COUNTER_PROCESSOR:

return 1;

break;

case SFLOW_COUNTER_PROCESSOR:

- if (print_sflow_counter_processor(tptr,tlen))

+ if (print_sflow_counter_processor(ndo, tptr, tlen))

return 1;

break;

default:

return 1;

break;

default:

- if (vflag <= 1)

- print_unknown_data(tptr, "\n\t\t", counter_len);

+ if (ndo->ndo_vflag <= 1)

+ print_unknown_data(ndo, tptr, "\n\t\t", counter_len);

break;

}

tptr += counter_len;

tlen -= counter_len;

nrecords--;

break;

}

tptr += counter_len;

tlen -= counter_len;

nrecords--;

-

+

}

return 0;

}

return 0;

}

-

static int

-sflow_print_counter_sample(const u_char *pointer, u_int len) {

-

+sflow_print_counter_sample(netdissect_options *ndo,

+ const u_char *pointer, u_int len)

+{

const struct sflow_counter_sample_t *sflow_counter_sample;

u_int nrecords;

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;

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 = GET_BE_U_4(sflow_counter_sample->records);

+

+ ND_PRINT(" seqnum %u, type %u, idx %u, records %u",

+ GET_BE_U_4(sflow_counter_sample->seqnum),

+ GET_U_1(sflow_counter_sample->type),

+ GET_BE_U_3(sflow_counter_sample->index),

nrecords);

- return sflow_print_counter_records(pointer + sizeof(struct sflow_counter_sample_t),

+ return sflow_print_counter_records(ndo, pointer + sizeof(struct sflow_counter_sample_t),

len - sizeof(struct sflow_counter_sample_t),

nrecords);

len - sizeof(struct sflow_counter_sample_t),

nrecords);

-

}

static int

}

static int

-sflow_print_expanded_counter_sample(const u_char *pointer, u_int len) {

-

+sflow_print_expanded_counter_sample(netdissect_options *ndo,

+ const u_char *pointer, u_int len)

+{

const struct sflow_expanded_counter_sample_t *sflow_expanded_counter_sample;

u_int nrecords;

const struct sflow_expanded_counter_sample_t *sflow_expanded_counter_sample;

u_int nrecords;

sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)pointer;

- nrecords = EXTRACT_32BITS(sflow_expanded_counter_sample->records);

+ nrecords = GET_BE_U_4(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),

+ ND_PRINT(" seqnum %u, type %u, idx %u, records %u",

+ GET_BE_U_4(sflow_expanded_counter_sample->seqnum),

+ GET_BE_U_4(sflow_expanded_counter_sample->type),

+ GET_BE_U_4(sflow_expanded_counter_sample->index),

nrecords);

-

- return sflow_print_counter_records(pointer + sizeof(struct sflow_expanded_counter_sample_t),

+

+ return sflow_print_counter_records(ndo, pointer + sizeof(struct sflow_expanded_counter_sample_t),

len - sizeof(struct sflow_expanded_counter_sample_t),

nrecords);

len - sizeof(struct sflow_expanded_counter_sample_t),

nrecords);

-

}

static int

}

static int

-print_sflow_raw_packet(const u_char *pointer, u_int len) {

-

+print_sflow_raw_packet(netdissect_options *ndo,

+ 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;

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));

+ ND_PRINT("\n\t protocol %s (%u), length %u, stripped bytes %u, header_size %u",

+ tok2str(sflow_flow_raw_protocol_values,"Unknown",GET_BE_U_4(sflow_flow_raw->protocol)),

+ GET_BE_U_4(sflow_flow_raw->protocol),

+ GET_BE_U_4(sflow_flow_raw->length),

+ GET_BE_U_4(sflow_flow_raw->stripped_bytes),

+ GET_BE_U_4(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... */

+ assuming of course there is enough data present to do so... */

return 0;

}

static int

return 0;

}

static int

-print_sflow_ethernet_frame(const u_char *pointer, u_int len) {

-

+print_sflow_ethernet_frame(netdissect_options *ndo,

+ const u_char *pointer, u_int len)

+{

const struct sflow_ethernet_frame_t *sflow_ethernet_frame;

if (len < sizeof(struct sflow_ethernet_frame_t))

const struct sflow_ethernet_frame_t *sflow_ethernet_frame;

if (len < sizeof(struct sflow_ethernet_frame_t))

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));

+ ND_PRINT("\n\t frame len %u, type %u",

+ GET_BE_U_4(sflow_ethernet_frame->length),

+ GET_BE_U_4(sflow_ethernet_frame->type));

return 0;

}

static int

return 0;

}

static int

-print_sflow_extended_switch_data(const u_char *pointer, u_int len) {

-

+print_sflow_extended_switch_data(netdissect_options *ndo,

+ 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;

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));

+ ND_PRINT("\n\t src vlan %u, src pri %u, dst vlan %u, dst pri %u",

+ GET_BE_U_4(sflow_extended_sw_data->src_vlan),

+ GET_BE_U_4(sflow_extended_sw_data->src_pri),

+ GET_BE_U_4(sflow_extended_sw_data->dst_vlan),

+ GET_BE_U_4(sflow_extended_sw_data->dst_pri));

return 0;

}

static int

return 0;

}

static int

-sflow_print_flow_records(const u_char *pointer, u_int len, u_int records) {

-

+sflow_print_flow_records(netdissect_options *ndo,

+ const u_char *pointer, u_int len, u_int records)

+{

u_int nrecords;

const u_char *tptr;

u_int tlen;

u_int nrecords;

const u_char *tptr;

u_int tlen;

/* so, the funky encoding means we cannot blythly mask-off

bits, we must also check the enterprise. */

/* so, the funky encoding means we cannot blythly mask-off

bits, we must also check the enterprise. */

-

- enterprise = EXTRACT_32BITS(sflow_flow_record->format);

+

+ enterprise = GET_BE_U_4(sflow_flow_record->format);

flow_type = enterprise & 0x0FFF;

enterprise = enterprise >> 12;

flow_type = enterprise & 0x0FFF;

enterprise = enterprise >> 12;

- flow_len = EXTRACT_32BITS(sflow_flow_record->length);

- printf("\n\t enterprise %u %s (%u) length %u",

+ flow_len = GET_BE_U_4(sflow_flow_record->length);

+ ND_PRINT("\n\t enterprise %u %s (%u) length %u",

enterprise,

(enterprise == 0) ? tok2str(sflow_flow_type_values,"Unknown",flow_type) : "Unknown",

flow_type,

enterprise,

(enterprise == 0) ? tok2str(sflow_flow_type_values,"Unknown",flow_type) : "Unknown",

flow_type,

if (enterprise == 0) {

switch (flow_type) {

case SFLOW_FLOW_RAW_PACKET:

if (enterprise == 0) {

switch (flow_type) {

case SFLOW_FLOW_RAW_PACKET:

- if (print_sflow_raw_packet(tptr,tlen))

+ if (print_sflow_raw_packet(ndo, tptr, tlen))

return 1;

break;

case SFLOW_FLOW_EXTENDED_SWITCH_DATA:

return 1;

break;

case SFLOW_FLOW_EXTENDED_SWITCH_DATA:

- if (print_sflow_extended_switch_data(tptr,tlen))

+ if (print_sflow_extended_switch_data(ndo, tptr, tlen))

return 1;

break;

case SFLOW_FLOW_ETHERNET_FRAME:

return 1;

break;

case SFLOW_FLOW_ETHERNET_FRAME:

- if (print_sflow_ethernet_frame(tptr,tlen))

+ if (print_sflow_ethernet_frame(ndo, tptr, tlen))

return 1;

break;

/* FIXME these need a decoder */

return 1;

break;

/* FIXME these need a decoder */

case SFLOW_FLOW_EXTENDED_VLAN_TUNNEL:

break;

default:

case SFLOW_FLOW_EXTENDED_VLAN_TUNNEL:

break;

default:

- if (vflag <= 1)

- print_unknown_data(tptr, "\n\t\t", flow_len);

+ if (ndo->ndo_vflag <= 1)

+ print_unknown_data(ndo, tptr, "\n\t\t", flow_len);

break;

}

break;

}

static int

}

static int

-sflow_print_flow_sample(const u_char *pointer, u_int len) {

-

+sflow_print_flow_sample(netdissect_options *ndo,

+ const u_char *pointer, u_int len)

+{

const struct sflow_flow_sample_t *sflow_flow_sample;

u_int nrecords;

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;

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),

+ sflow_flow_sample = (const struct sflow_flow_sample_t *)pointer;

+

+ nrecords = GET_BE_U_4(sflow_flow_sample->records);

+

+ ND_PRINT(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, input %u output %u records %u",

+ GET_BE_U_4(sflow_flow_sample->seqnum),

+ GET_U_1(sflow_flow_sample->type),

+ GET_BE_U_3(sflow_flow_sample->index),

+ GET_BE_U_4(sflow_flow_sample->rate),

+ GET_BE_U_4(sflow_flow_sample->pool),

+ GET_BE_U_4(sflow_flow_sample->drops),

+ GET_BE_U_4(sflow_flow_sample->in_interface),

+ GET_BE_U_4(sflow_flow_sample->out_interface),

nrecords);

- return sflow_print_flow_records(pointer + sizeof(struct sflow_flow_sample_t),

+ return sflow_print_flow_records(ndo, pointer + sizeof(struct sflow_flow_sample_t),

len - sizeof(struct sflow_flow_sample_t),

nrecords);

len - sizeof(struct sflow_flow_sample_t),

nrecords);

-

}

static int

}

static int

-sflow_print_expanded_flow_sample(const u_char *pointer, u_int len) {

-

+sflow_print_expanded_flow_sample(netdissect_options *ndo,

+ const u_char *pointer, u_int len)

+{

const struct sflow_expanded_flow_sample_t *sflow_expanded_flow_sample;

u_int nrecords;

const struct sflow_expanded_flow_sample_t *sflow_expanded_flow_sample;

u_int nrecords;

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),

+ nrecords = GET_BE_U_4(sflow_expanded_flow_sample->records);

+

+ ND_PRINT(" seqnum %u, type %u, idx %u, rate %u, pool %u, drops %u, records %u",

+ GET_BE_U_4(sflow_expanded_flow_sample->seqnum),

+ GET_BE_U_4(sflow_expanded_flow_sample->type),

+ GET_BE_U_4(sflow_expanded_flow_sample->index),

+ GET_BE_U_4(sflow_expanded_flow_sample->rate),

+ GET_BE_U_4(sflow_expanded_flow_sample->pool),

+ GET_BE_U_4(sflow_expanded_flow_sample->drops),

+ nrecords);

+

+ return sflow_print_flow_records(ndo, pointer + sizeof(struct sflow_expanded_flow_sample_t),

len - sizeof(struct sflow_expanded_flow_sample_t),

nrecords);

len - sizeof(struct sflow_expanded_flow_sample_t),

nrecords);

-

}

void

}

void

-sflow_print(const u_char *pptr, u_int len) {

-

+sflow_print(netdissect_options *ndo,

+ const u_char *pptr, u_int len)

+{

const struct sflow_datagram_t *sflow_datagram;

+ const struct sflow_v6_datagram_t *sflow_v6_datagram;

const struct sflow_sample_header *sflow_sample;

const u_char *tptr;

u_int tlen;

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;

-

+ uint32_t sflow_sample_type, sflow_sample_len;

+ uint32_t nsamples;

+ uint32_t ip_version;

+ ndo->ndo_protocol = "sflow";

tptr = pptr;

tlen = len;

sflow_datagram = (const struct sflow_datagram_t *)pptr;

tptr = pptr;

tlen = len;

sflow_datagram = (const struct sflow_datagram_t *)pptr;

- TCHECK(*sflow_datagram);

+ sflow_v6_datagram = (const struct sflow_v6_datagram_t *)pptr;

+ ip_version = GET_BE_U_4(sflow_datagram->ip_version);

+

+ if ((len < sizeof(struct sflow_datagram_t) && (ip_version == 1)) ||

+ (len < sizeof(struct sflow_v6_datagram_t) && (ip_version == 2))) {

+ ND_PRINT("sFlowv%u", GET_BE_U_4(sflow_datagram->version));

+ ND_PRINT(" [length %u < %zu]", len, sizeof(struct sflow_datagram_t));

+ nd_print_invalid(ndo);

+ return;

+ }

+ ND_TCHECK_SIZE(sflow_datagram);

/*

* Sanity checking of the header.

*/

/*

* Sanity checking of the header.

*/

- if (EXTRACT_32BITS(sflow_datagram->version) != 5) {

- printf("sFlow version %u packet not supported",

- EXTRACT_32BITS(sflow_datagram->version));

+ if (GET_BE_U_4(sflow_datagram->version) != 5) {

+ ND_PRINT("sFlow version %u packet not supported",

+ GET_BE_U_4(sflow_datagram->version));

return;

}

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->samples),

+ if (ndo->ndo_vflag < 1) {

+ ND_PRINT("sFlowv%u, %s agent %s, agent-id %u, length %u",

+ GET_BE_U_4(sflow_datagram->version),

+ ip_version == 1 ? "IPv4" : "IPv6",

+ ip_version == 1 ? GET_IPADDR_STRING(sflow_datagram->agent) :

+ GET_IP6ADDR_STRING( sflow_v6_datagram->agent),

+ ip_version == 1 ? GET_BE_U_4(sflow_datagram->agent_id) :

+ GET_BE_U_4(sflow_v6_datagram->agent_id),

len);

return;

}

/* ok they seem to want to know everything - lets fully decode it */

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);

+ if (ip_version == 1) {

+ nsamples = GET_BE_U_4(sflow_datagram->samples);

+ ND_PRINT("sFlowv%u, %s agent %s, agent-id %u, seqnum %u, uptime %u, samples %u, length %u",

+ GET_BE_U_4(sflow_datagram->version),

+ "IPv4",

+ GET_IPADDR_STRING(sflow_datagram->agent),

+ GET_BE_U_4(sflow_datagram->agent_id),

+ GET_BE_U_4(sflow_datagram->seqnum),

+ GET_BE_U_4(sflow_datagram->uptime),

+ nsamples,

+ len);

+ /* skip Common header */

+ ND_ICHECK_ZU(tlen, <, sizeof(struct sflow_datagram_t));

+ tptr += sizeof(struct sflow_datagram_t);

+ tlen -= sizeof(struct sflow_datagram_t);

+ } else {

+ nsamples = GET_BE_U_4(sflow_v6_datagram->samples);

+ ND_PRINT("sFlowv%u, %s agent %s, agent-id %u, seqnum %u, uptime %u, samples %u, length %u",

+ GET_BE_U_4(sflow_v6_datagram->version),

+ "IPv6",

+ GET_IP6ADDR_STRING(sflow_v6_datagram->agent),

+ GET_BE_U_4(sflow_v6_datagram->agent_id),

+ GET_BE_U_4(sflow_v6_datagram->seqnum),

+ GET_BE_U_4(sflow_v6_datagram->uptime),

+ nsamples,

+ len);

+

+ /* skip Common header */

+ ND_ICHECK_ZU(tlen, <, sizeof(struct sflow_v6_datagram_t));

+ tptr += sizeof(struct sflow_v6_datagram_t);

+ tlen -= sizeof(struct sflow_v6_datagram_t);

+ }

while (nsamples > 0 && tlen > 0) {

sflow_sample = (const struct sflow_sample_header *)tptr;

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);

+ sflow_sample_type = (GET_BE_U_4(sflow_sample->format)&0x0FFF);

+ sflow_sample_len = GET_BE_U_4(sflow_sample->len);

if (tlen < sizeof(struct sflow_sample_header))

- goto trunc;

+ goto invalid;

tptr += sizeof(struct sflow_sample_header);

tlen -= sizeof(struct sflow_sample_header);

tptr += sizeof(struct sflow_sample_header);

tlen -= sizeof(struct sflow_sample_header);

-

- printf("\n\t%s (%u), length %u,",

+

+ ND_PRINT("\n\t%s (%u), length %u,",

tok2str(sflow_format_values, "Unknown", sflow_sample_type),

sflow_sample_type,

sflow_sample_len);

/* basic sanity check */

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) {

+ if (sflow_sample_type == 0 || sflow_sample_len == 0) {

return;

}

if (tlen < sflow_sample_len)

return;

}

if (tlen < sflow_sample_len)

- goto trunc;

+ goto invalid;

/* did we capture enough for fully decoding the sample ? */

- TCHECK2(*tptr, sflow_sample_len);

+ ND_TCHECK_LEN(tptr, sflow_sample_len);

switch(sflow_sample_type) {

case SFLOW_FLOW_SAMPLE:

switch(sflow_sample_type) {

case SFLOW_FLOW_SAMPLE:

- if (sflow_print_flow_sample(tptr,tlen))

- goto trunc;

+ if (sflow_print_flow_sample(ndo, tptr, tlen))

+ goto invalid;

break;

case SFLOW_COUNTER_SAMPLE:

break;

case SFLOW_COUNTER_SAMPLE:

- if (sflow_print_counter_sample(tptr,tlen))

- goto trunc;

+ if (sflow_print_counter_sample(ndo, tptr,tlen))

+ goto invalid;

break;

case SFLOW_EXPANDED_FLOW_SAMPLE:

break;

case SFLOW_EXPANDED_FLOW_SAMPLE:

- if (sflow_print_expanded_flow_sample(tptr,tlen))

- goto trunc;

+ if (sflow_print_expanded_flow_sample(ndo, tptr, tlen))

+ goto invalid;

break;

case SFLOW_EXPANDED_COUNTER_SAMPLE:

break;

case SFLOW_EXPANDED_COUNTER_SAMPLE:

- if (sflow_print_expanded_counter_sample(tptr,tlen))

- goto trunc;

+ if (sflow_print_expanded_counter_sample(ndo, tptr,tlen))

+ goto invalid;

break;

default:

break;

default:

- if (vflag <= 1)

- print_unknown_data(tptr, "\n\t ", sflow_sample_len);

+ if (ndo->ndo_vflag <= 1)

+ print_unknown_data(ndo, tptr, "\n\t ", sflow_sample_len);

break;

}

tptr += sflow_sample_len;

break;

}

tptr += sflow_sample_len;

}

return;

}

return;

- trunc:

- printf("[|SFLOW]");

+invalid:

+ nd_print_invalid(ndo);

+ ND_TCHECK_LEN(tptr, tlen);

}

-

-/*

- * Local Variables:

- * c-style: whitesmith

- * c-basic-offset: 4

- * End:

- */