The Tcpdump Group git mirrors - tcpdump/blobdiff

/* \summary: sFlow protocol printer */

-/* specification: http://www.sflow.org/developers/specifications.php */

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

#ifdef HAVE_CONFIG_H

-#include "config.h"

+#include <config.h>

#endif

-#include <netdissect-stdinc.h>

+#include "netdissect-stdinc.h"

+#define ND_LONGJMP_FROM_TCHECK

#include "netdissect.h"

#include "extract.h"

#include "addrtoname.h"

#include "netdissect.h"

#include "extract.h"

#include "addrtoname.h"

nd_uint32_t samples;

};

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 {

nd_uint32_t format;

nd_uint32_t len;

struct sflow_sample_header {

nd_uint32_t format;

nd_uint32_t len;

return 1;

sflow_gen_counter = (const struct sflow_generic_counter_t *)pointer;

return 1;

sflow_gen_counter = (const struct sflow_generic_counter_t *)pointer;

- ND_TCHECK_SIZE(sflow_gen_counter);

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

- EXTRACT_BE_U_4(sflow_gen_counter->ifindex),

- EXTRACT_BE_U_4(sflow_gen_counter->iftype),

- EXTRACT_BE_U_8(sflow_gen_counter->ifspeed),

- EXTRACT_BE_U_4(sflow_gen_counter->ifdirection),

+ 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_BE_U_4(sflow_gen_counter->ifdirection)));

+ GET_BE_U_4(sflow_gen_counter->ifdirection)));

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

- EXTRACT_BE_U_4(sflow_gen_counter->ifstatus),

- EXTRACT_BE_U_4(sflow_gen_counter->ifstatus)&1 ? "up" : "down",

- (EXTRACT_BE_U_4(sflow_gen_counter->ifstatus)>>1)&1 ? "up" : "down");

+ 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",

ND_PRINT("\n\t In octets %" PRIu64

", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u",

- EXTRACT_BE_U_8(sflow_gen_counter->ifinoctets),

- EXTRACT_BE_U_4(sflow_gen_counter->ifinunicastpkts),

- EXTRACT_BE_U_4(sflow_gen_counter->ifinmulticastpkts),

- EXTRACT_BE_U_4(sflow_gen_counter->ifinbroadcastpkts),

- EXTRACT_BE_U_4(sflow_gen_counter->ifindiscards));

+ 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",

- EXTRACT_BE_U_4(sflow_gen_counter->ifinerrors),

- EXTRACT_BE_U_4(sflow_gen_counter->ifinunkownprotos));

+ 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",

ND_PRINT("\n\t Out octets %" PRIu64

", unicast pkts %u, multicast pkts %u, broadcast pkts %u, discards %u",

- EXTRACT_BE_U_8(sflow_gen_counter->ifoutoctets),

- EXTRACT_BE_U_4(sflow_gen_counter->ifoutunicastpkts),

- EXTRACT_BE_U_4(sflow_gen_counter->ifoutmulticastpkts),

- EXTRACT_BE_U_4(sflow_gen_counter->ifoutbroadcastpkts),

- EXTRACT_BE_U_4(sflow_gen_counter->ifoutdiscards));

+ 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",

- EXTRACT_BE_U_4(sflow_gen_counter->ifouterrors),

- EXTRACT_BE_U_4(sflow_gen_counter->ifpromiscmode));

+ GET_BE_U_4(sflow_gen_counter->ifouterrors),

+ GET_BE_U_4(sflow_gen_counter->ifpromiscmode));

return 0;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_eth_counter = (const struct sflow_ethernet_counter_t *)pointer;

return 1;

sflow_eth_counter = (const struct sflow_ethernet_counter_t *)pointer;

- ND_TCHECK_SIZE(sflow_eth_counter);

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

- EXTRACT_BE_U_4(sflow_eth_counter->alignerrors),

- EXTRACT_BE_U_4(sflow_eth_counter->fcserrors),

- EXTRACT_BE_U_4(sflow_eth_counter->single_collision_frames),

- EXTRACT_BE_U_4(sflow_eth_counter->multiple_collision_frames),

- EXTRACT_BE_U_4(sflow_eth_counter->test_errors));

+ 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",

- EXTRACT_BE_U_4(sflow_eth_counter->deferred_transmissions),

- EXTRACT_BE_U_4(sflow_eth_counter->late_collisions),

- EXTRACT_BE_U_4(sflow_eth_counter->excessive_collisions),

- EXTRACT_BE_U_4(sflow_eth_counter->mac_transmit_errors));

+ 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",

- EXTRACT_BE_U_4(sflow_eth_counter->carrier_sense_errors),

- EXTRACT_BE_U_4(sflow_eth_counter->frame_too_longs),

- EXTRACT_BE_U_4(sflow_eth_counter->mac_receive_errors),

- EXTRACT_BE_U_4(sflow_eth_counter->symbol_errors));

+ 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;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_100basevg_counter = (const struct sflow_100basevg_counter_t *)pointer;

return 1;

sflow_100basevg_counter = (const struct sflow_100basevg_counter_t *)pointer;

- ND_TCHECK_SIZE(sflow_100basevg_counter);

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

- EXTRACT_BE_U_4(sflow_100basevg_counter->in_highpriority_frames),

- EXTRACT_BE_U_8(sflow_100basevg_counter->in_highpriority_octets));

+ 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,

- EXTRACT_BE_U_4(sflow_100basevg_counter->in_normpriority_frames),

- EXTRACT_BE_U_8(sflow_100basevg_counter->in_normpriority_octets));

+ 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",

- EXTRACT_BE_U_4(sflow_100basevg_counter->in_ipmerrors),

- EXTRACT_BE_U_4(sflow_100basevg_counter->in_oversized),

- EXTRACT_BE_U_4(sflow_100basevg_counter->in_data_errors),

- EXTRACT_BE_U_4(sflow_100basevg_counter->in_null_addressed_frames));

+ 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",

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

", trans into frames %u",

- EXTRACT_BE_U_4(sflow_100basevg_counter->out_highpriority_frames),

- EXTRACT_BE_U_8(sflow_100basevg_counter->out_highpriority_octets),

- EXTRACT_BE_U_4(sflow_100basevg_counter->transitioninto_frames));

+ 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,

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

", in hc norm prio octets %" PRIu64

", out hc high prio octets %" PRIu64,

- EXTRACT_BE_U_8(sflow_100basevg_counter->hc_in_highpriority_octets),

- EXTRACT_BE_U_8(sflow_100basevg_counter->hc_in_normpriority_octets),

- EXTRACT_BE_U_8(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;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_vlan_counter = (const struct sflow_vlan_counter_t *)pointer;

return 1;

sflow_vlan_counter = (const struct sflow_vlan_counter_t *)pointer;

- ND_TCHECK_SIZE(sflow_vlan_counter);

ND_PRINT("\n\t vlan_id %u, octets %" PRIu64

", unicast_pkt %u, multicast_pkt %u, broadcast_pkt %u, discards %u",

ND_PRINT("\n\t vlan_id %u, octets %" PRIu64

", unicast_pkt %u, multicast_pkt %u, broadcast_pkt %u, discards %u",

- EXTRACT_BE_U_4(sflow_vlan_counter->vlan_id),

- EXTRACT_BE_U_8(sflow_vlan_counter->octets),

- EXTRACT_BE_U_4(sflow_vlan_counter->unicast_pkt),

- EXTRACT_BE_U_4(sflow_vlan_counter->multicast_pkt),

- EXTRACT_BE_U_4(sflow_vlan_counter->broadcast_pkt),

- EXTRACT_BE_U_4(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;

-

-trunc:

- return 1;

}

struct sflow_processor_counter_t {

}

struct sflow_processor_counter_t {

return 1;

sflow_processor_counter = (const struct sflow_processor_counter_t *)pointer;

return 1;

sflow_processor_counter = (const struct sflow_processor_counter_t *)pointer;

- ND_TCHECK_SIZE(sflow_processor_counter);

ND_PRINT("\n\t 5sec %u, 1min %u, 5min %u, total_mem %" PRIu64

", total_mem %" PRIu64,

ND_PRINT("\n\t 5sec %u, 1min %u, 5min %u, total_mem %" PRIu64

", total_mem %" PRIu64,

- EXTRACT_BE_U_4(sflow_processor_counter->five_sec_util),

- EXTRACT_BE_U_4(sflow_processor_counter->one_min_util),

- EXTRACT_BE_U_4(sflow_processor_counter->five_min_util),

- EXTRACT_BE_U_8(sflow_processor_counter->total_memory),

- EXTRACT_BE_U_8(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;

-

-trunc:

- return 1;

}

static int

}

static int

if (tlen < sizeof(struct sflow_counter_record_t))

return 1;

sflow_counter_record = (const struct sflow_counter_record_t *)tptr;

if (tlen < sizeof(struct sflow_counter_record_t))

return 1;

sflow_counter_record = (const struct sflow_counter_record_t *)tptr;

- ND_TCHECK_SIZE(sflow_counter_record);

- enterprise = EXTRACT_BE_U_4(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_BE_U_4(sflow_counter_record->length);

+ 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",

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

enterprise,

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

}

return 0;

}

return 0;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_counter_sample = (const struct sflow_counter_sample_t *)pointer;

return 1;

sflow_counter_sample = (const struct sflow_counter_sample_t *)pointer;

- ND_TCHECK_SIZE(sflow_counter_sample);

- nrecords = EXTRACT_BE_U_4(sflow_counter_sample->records);

+ nrecords = GET_BE_U_4(sflow_counter_sample->records);

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

- EXTRACT_BE_U_4(sflow_counter_sample->seqnum),

- EXTRACT_U_1(sflow_counter_sample->type),

- EXTRACT_BE_U_3(sflow_counter_sample->index),

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

len - sizeof(struct sflow_counter_sample_t),

nrecords);

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

len - sizeof(struct sflow_counter_sample_t),

nrecords);

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)pointer;

return 1;

sflow_expanded_counter_sample = (const struct sflow_expanded_counter_sample_t *)pointer;

- ND_TCHECK_SIZE(sflow_expanded_counter_sample);

- nrecords = EXTRACT_BE_U_4(sflow_expanded_counter_sample->records);

+ nrecords = GET_BE_U_4(sflow_expanded_counter_sample->records);

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

- EXTRACT_BE_U_4(sflow_expanded_counter_sample->seqnum),

- EXTRACT_BE_U_4(sflow_expanded_counter_sample->type),

- EXTRACT_BE_U_4(sflow_expanded_counter_sample->index),

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

len - sizeof(struct sflow_expanded_counter_sample_t),

nrecords);

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

len - sizeof(struct sflow_expanded_counter_sample_t),

nrecords);

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_flow_raw = (const struct sflow_expanded_flow_raw_t *)pointer;

return 1;

sflow_flow_raw = (const struct sflow_expanded_flow_raw_t *)pointer;

- ND_TCHECK_SIZE(sflow_flow_raw);

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

- tok2str(sflow_flow_raw_protocol_values,"Unknown",EXTRACT_BE_U_4(sflow_flow_raw->protocol)),

- EXTRACT_BE_U_4(sflow_flow_raw->protocol),

- EXTRACT_BE_U_4(sflow_flow_raw->length),

- EXTRACT_BE_U_4(sflow_flow_raw->stripped_bytes),

- EXTRACT_BE_U_4(sflow_flow_raw->header_size));

+ 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;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_ethernet_frame = (const struct sflow_ethernet_frame_t *)pointer;

return 1;

sflow_ethernet_frame = (const struct sflow_ethernet_frame_t *)pointer;

- ND_TCHECK_SIZE(sflow_ethernet_frame);

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

- EXTRACT_BE_U_4(sflow_ethernet_frame->length),

- EXTRACT_BE_U_4(sflow_ethernet_frame->type));

+ GET_BE_U_4(sflow_ethernet_frame->length),

+ GET_BE_U_4(sflow_ethernet_frame->type));

return 0;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_extended_sw_data = (const struct sflow_extended_switch_data_t *)pointer;

return 1;

sflow_extended_sw_data = (const struct sflow_extended_switch_data_t *)pointer;

- ND_TCHECK_SIZE(sflow_extended_sw_data);

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

- EXTRACT_BE_U_4(sflow_extended_sw_data->src_vlan),

- EXTRACT_BE_U_4(sflow_extended_sw_data->src_pri),

- EXTRACT_BE_U_4(sflow_extended_sw_data->dst_vlan),

- EXTRACT_BE_U_4(sflow_extended_sw_data->dst_pri));

+ 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;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_flow_record = (const struct sflow_flow_record_t *)tptr;

return 1;

sflow_flow_record = (const struct sflow_flow_record_t *)tptr;

- ND_TCHECK_SIZE(sflow_flow_record);

/* 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_BE_U_4(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_BE_U_4(sflow_flow_record->length);

+ 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",

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

enterprise,

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

}

return 0;

}

return 0;

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_flow_sample = (const struct sflow_flow_sample_t *)pointer;

return 1;

sflow_flow_sample = (const struct sflow_flow_sample_t *)pointer;

- ND_TCHECK_SIZE(sflow_flow_sample);

- nrecords = EXTRACT_BE_U_4(sflow_flow_sample->records);

+ 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",

- EXTRACT_BE_U_4(sflow_flow_sample->seqnum),

- EXTRACT_U_1(sflow_flow_sample->type),

- EXTRACT_BE_U_3(sflow_flow_sample->index),

- EXTRACT_BE_U_4(sflow_flow_sample->rate),

- EXTRACT_BE_U_4(sflow_flow_sample->pool),

- EXTRACT_BE_U_4(sflow_flow_sample->drops),

- EXTRACT_BE_U_4(sflow_flow_sample->in_interface),

- EXTRACT_BE_U_4(sflow_flow_sample->out_interface),

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

len - sizeof(struct sflow_flow_sample_t),

nrecords);

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

len - sizeof(struct sflow_flow_sample_t),

nrecords);

-

-trunc:

- return 1;

}

static int

}

static int

return 1;

sflow_expanded_flow_sample = (const struct sflow_expanded_flow_sample_t *)pointer;

return 1;

sflow_expanded_flow_sample = (const struct sflow_expanded_flow_sample_t *)pointer;

- ND_TCHECK_SIZE(sflow_expanded_flow_sample);

- nrecords = EXTRACT_BE_U_4(sflow_expanded_flow_sample->records);

+ 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",

- EXTRACT_BE_U_4(sflow_expanded_flow_sample->seqnum),

- EXTRACT_BE_U_4(sflow_expanded_flow_sample->type),

- EXTRACT_BE_U_4(sflow_expanded_flow_sample->index),

- EXTRACT_BE_U_4(sflow_expanded_flow_sample->rate),

- EXTRACT_BE_U_4(sflow_expanded_flow_sample->pool),

- EXTRACT_BE_U_4(sflow_expanded_flow_sample->drops),

- EXTRACT_BE_U_4(sflow_expanded_flow_sample->records));

+ 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);

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

len - sizeof(struct sflow_expanded_flow_sample_t),

nrecords);

-

-trunc:

- return 1;

}

void

}

void

const u_char *pptr, u_int len)

{

const struct sflow_datagram_t *sflow_datagram;

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;

uint32_t sflow_sample_type, sflow_sample_len;

uint32_t nsamples;

const struct sflow_sample_header *sflow_sample;

const u_char *tptr;

u_int tlen;

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;

+ 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.

*/

ND_TCHECK_SIZE(sflow_datagram);

/*

* Sanity checking of the header.

*/

- if (EXTRACT_BE_U_4(sflow_datagram->version) != 5) {

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

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

- EXTRACT_BE_U_4(sflow_datagram->version));

+ GET_BE_U_4(sflow_datagram->version));

return;

}

if (ndo->ndo_vflag < 1) {

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

return;

}

if (ndo->ndo_vflag < 1) {

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

- EXTRACT_BE_U_4(sflow_datagram->version),

- EXTRACT_BE_U_4(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6",

- ipaddr_string(ndo, sflow_datagram->agent),

- EXTRACT_BE_U_4(sflow_datagram->agent_id),

+ 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_BE_U_4(sflow_datagram->samples);

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

- EXTRACT_BE_U_4(sflow_datagram->version),

- EXTRACT_BE_U_4(sflow_datagram->ip_version) == 1 ? "IPv4" : "IPv6",

- ipaddr_string(ndo, sflow_datagram->agent),

- EXTRACT_BE_U_4(sflow_datagram->agent_id),

- EXTRACT_BE_U_4(sflow_datagram->seqnum),

- EXTRACT_BE_U_4(sflow_datagram->uptime),

- nsamples,

- len);

-

- /* skip Common header */

- tptr += sizeof(struct sflow_datagram_t);

- tlen -= sizeof(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;

- ND_TCHECK_SIZE(sflow_sample);

- sflow_sample_type = (EXTRACT_BE_U_4(sflow_sample->format)&0x0FFF);

- sflow_sample_len = EXTRACT_BE_U_4(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);

sflow_sample_len);

/* basic sanity check */

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 ? */

ND_TCHECK_LEN(tptr, sflow_sample_len);

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

ND_TCHECK_LEN(tptr, sflow_sample_len);

switch(sflow_sample_type) {

case SFLOW_FLOW_SAMPLE:

if (sflow_print_flow_sample(ndo, tptr, tlen))

switch(sflow_sample_type) {

case SFLOW_FLOW_SAMPLE:

if (sflow_print_flow_sample(ndo, tptr, tlen))

- goto trunc;

+ goto invalid;

break;

case SFLOW_COUNTER_SAMPLE:

if (sflow_print_counter_sample(ndo, tptr,tlen))

break;

case SFLOW_COUNTER_SAMPLE:

if (sflow_print_counter_sample(ndo, tptr,tlen))

- goto trunc;

+ goto invalid;

break;

case SFLOW_EXPANDED_FLOW_SAMPLE:

if (sflow_print_expanded_flow_sample(ndo, tptr, tlen))

break;

case SFLOW_EXPANDED_FLOW_SAMPLE:

if (sflow_print_expanded_flow_sample(ndo, tptr, tlen))

- goto trunc;

+ goto invalid;

break;

case SFLOW_EXPANDED_COUNTER_SAMPLE:

if (sflow_print_expanded_counter_sample(ndo, tptr,tlen))

break;

case SFLOW_EXPANDED_COUNTER_SAMPLE:

if (sflow_print_expanded_counter_sample(ndo, tptr,tlen))

- goto trunc;

+ goto invalid;

break;

default:

break;

default:

}

return;

}

return;

- trunc:

- ND_PRINT("[|SFLOW]");

+invalid:

+ nd_print_invalid(ndo);

+ ND_TCHECK_LEN(tptr, tlen);

}

-

-/*

- * Local Variables:

- * c-style: whitesmith

- * c-basic-offset: 4

- * End:

- */