* LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE.
*
- * support for the IEEE Link Discovery Protocol as per 802.1AB
- *
*/
-#ifndef lint
-static const char rcsid[] _U_ =
-"@(#) $Header: /tcpdump/master/tcpdump/print-lldp.c,v 1.10 2008-03-20 09:30:56 hannes Exp $";
-#endif
+/* \summary: IEEE 802.1ab Link Layer Discovery Protocol (LLDP) printer */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include "interface.h"
+#include "netdissect.h"
#include "extract.h"
#include "addrtoname.h"
#include "af.h"
#define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID 2
#define LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME 3
#define LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY 4
+#define LLDP_PRIVATE_8021_SUBTYPE_LINKAGGR 7
#define LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION 8
#define LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION 9
#define LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION 10
#define LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION 11
#define LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY 12
#define LLDP_PRIVATE_8021_SUBTYPE_EVB 13
-#define LLDP_PRIVATE_8021_SUBTYPE_CDCP 14
+#define LLDP_PRIVATE_8021_SUBTYPE_CDCP 14
static const struct tok lldp_8021_subtype_values[] = {
{ LLDP_PRIVATE_8021_SUBTYPE_PORT_VLAN_ID, "Port VLAN Id"},
{ LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID, "Port and Protocol VLAN ID"},
{ LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME, "VLAN name"},
{ LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY, "Protocol Identity"},
+ { LLDP_PRIVATE_8021_SUBTYPE_LINKAGGR, "Link aggregation"},
{ LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION, "Congestion Notification"},
{ LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION, "ETS Configuration"},
{ LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION, "ETS Recommendation"},
#define LLDP_MDI_PAIR_CONTROL_ABILITY (1 << 3)
static const struct tok lldp_mdi_values[] = {
- { LLDP_MDI_PORT_CLASS, "PSE"},
- { LLDP_MDI_POWER_SUPPORT, "supported"},
- { LLDP_MDI_POWER_STATE, "enabled"},
- { LLDP_MDI_PAIR_CONTROL_ABILITY, "can be controlled"},
+ { LLDP_MDI_PORT_CLASS, "PSE"},
+ { LLDP_MDI_POWER_SUPPORT, "supported"},
+ { LLDP_MDI_POWER_STATE, "enabled"},
+ { LLDP_MDI_PAIR_CONTROL_ABILITY, "can be controlled"},
{ 0, NULL}
};
{ 0, NULL}
};
-#define LLDP_AGGREGATION_CAPABILTIY (1 << 0)
+#define LLDP_AGGREGATION_CAPABILITY (1 << 0)
#define LLDP_AGGREGATION_STATUS (1 << 1)
static const struct tok lldp_aggregation_values[] = {
- { LLDP_AGGREGATION_CAPABILTIY, "supported"},
+ { LLDP_AGGREGATION_CAPABILITY, "supported"},
{ LLDP_AGGREGATION_STATUS, "enabled"},
{ 0, NULL}
};
static const struct tok lldp_evb_mode_values[]={
{ LLDP_EVB_MODE_NOT_SUPPORTED, "Not Supported"},
{ LLDP_EVB_MODE_EVB_BRIDGE, "EVB Bridge"},
- { LLDP_EVB_MODE_EVB_STATION, "EVB Staion"},
+ { LLDP_EVB_MODE_EVB_STATION, "EVB Station"},
{ LLDP_EVB_MODE_RESERVED, "Reserved for future Standardization"},
+ { 0, NULL},
};
#define NO_OF_BITS 8
#define LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH 9
#define LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH 8
-static void print_ets_priority_assignment_table(const u_char *ptr)
+#define LLDP_IANA_SUBTYPE_MUDURL 1
+
+static const struct tok lldp_iana_subtype_values[] = {
+ { LLDP_IANA_SUBTYPE_MUDURL, "MUD-URL" },
+ { 0, NULL }
+};
+
+
+static void
+print_ets_priority_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
{
- printf("\n\t Priority Assignment Table");
- printf("\n\t Priority : 0 1 2 3 4 5 6 7");
- printf("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
- ptr[0]>>4,ptr[0]&0x0f,ptr[1]>>4,ptr[1]&0x0f,ptr[2]>>4,
- ptr[2]&0x0f,ptr[3]>>4,ptr[3]&0x0f);
+ ND_PRINT("\n\t Priority Assignment Table");
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ GET_U_1(ptr) >> 4, GET_U_1(ptr) & 0x0f,
+ GET_U_1(ptr + 1) >> 4, GET_U_1(ptr + 1) & 0x0f,
+ GET_U_1(ptr + 2) >> 4, GET_U_1(ptr + 2) & 0x0f,
+ GET_U_1(ptr + 3) >> 4, GET_U_1(ptr + 3) & 0x0f);
}
-static void print_tc_bandwidth_table(const u_char *ptr)
+static void
+print_tc_bandwidth_table(netdissect_options *ndo,
+ const u_char *ptr)
{
- printf("\n\t TC Bandwidth Table");
- printf("\n\t TC%% : 0 1 2 3 4 5 6 7");
- printf("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
- ptr[0],ptr[1],ptr[2],ptr[3],ptr[4],ptr[5],ptr[6],ptr[7]);
+ ND_PRINT("\n\t TC Bandwidth Table");
+ ND_PRINT("\n\t TC%% : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ GET_U_1(ptr), GET_U_1(ptr + 1), GET_U_1(ptr + 2),
+ GET_U_1(ptr + 3), GET_U_1(ptr + 4), GET_U_1(ptr + 5),
+ GET_U_1(ptr + 6), GET_U_1(ptr + 7));
}
-static void print_tsa_assignment_table(const u_char *ptr)
+static void
+print_tsa_assignment_table(netdissect_options *ndo,
+ const u_char *ptr)
{
- printf("\n\t TSA Assignment Table");
- printf("\n\t Traffic Class: 0 1 2 3 4 5 6 7");
- printf("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
- ptr[0],ptr[1],ptr[2],ptr[3],ptr[4],ptr[5],ptr[6],ptr[7]);
+ ND_PRINT("\n\t TSA Assignment Table");
+ ND_PRINT("\n\t Traffic Class: 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : %-3d %-3d %-3d %-3d %-3d %-3d %-3d %-3d",
+ GET_U_1(ptr), GET_U_1(ptr + 1), GET_U_1(ptr + 2),
+ GET_U_1(ptr + 3), GET_U_1(ptr + 4), GET_U_1(ptr + 5),
+ GET_U_1(ptr + 6), GET_U_1(ptr + 7));
}
/*
* Print IEEE 802.1 private extensions. (802.1AB annex E)
*/
static int
-lldp_private_8021_print(const u_char *tptr, u_int tlv_len)
+lldp_private_8021_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
{
- int subtype, hexdump = FALSE;
+ int hexdump = FALSE;
+ u_int subtype;
u_int sublen;
u_int tval;
- u_int8_t i;
+ u_int i;
if (tlv_len < 4) {
return hexdump;
}
- subtype = *(tptr+3);
+ subtype = GET_U_1(tptr + 3);
- printf("\n\t %s Subtype (%u)",
+ ND_PRINT("\n\t %s Subtype (%u)",
tok2str(lldp_8021_subtype_values, "unknown", subtype),
subtype);
if (tlv_len < 6) {
return hexdump;
}
- printf("\n\t port vlan id (PVID): %u",
- EXTRACT_16BITS(tptr+4));
+ ND_PRINT("\n\t port vlan id (PVID): %u",
+ GET_BE_U_2(tptr + 4));
break;
case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_VLAN_ID:
if (tlv_len < 7) {
return hexdump;
}
- printf("\n\t port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)",
- EXTRACT_16BITS(tptr+5),
- bittok2str(lldp_8021_port_protocol_id_values, "none", *(tptr+4)),
- *(tptr+4));
+ ND_PRINT("\n\t port and protocol vlan id (PPVID): %u, flags [%s] (0x%02x)",
+ GET_BE_U_2(tptr + 5),
+ bittok2str(lldp_8021_port_protocol_id_values, "none", GET_U_1(tptr + 4)),
+ GET_U_1(tptr + 4));
break;
case LLDP_PRIVATE_8021_SUBTYPE_VLAN_NAME:
if (tlv_len < 6) {
return hexdump;
}
- printf("\n\t vlan id (VID): %u",
- EXTRACT_16BITS(tptr+4));
+ ND_PRINT("\n\t vlan id (VID): %u", GET_BE_U_2(tptr + 4));
if (tlv_len < 7) {
return hexdump;
}
- sublen = *(tptr+6);
+ sublen = GET_U_1(tptr + 6);
if (tlv_len < 7+sublen) {
return hexdump;
}
- printf("\n\t vlan name: ");
- safeputs((const char *)tptr+7, sublen);
+ ND_PRINT("\n\t vlan name: ");
+ nd_printjnp(ndo, tptr + 7, sublen);
break;
case LLDP_PRIVATE_8021_SUBTYPE_PROTOCOL_IDENTITY:
if (tlv_len < 5) {
return hexdump;
}
- sublen = *(tptr+4);
+ sublen = GET_U_1(tptr + 4);
if (tlv_len < 5+sublen) {
return hexdump;
}
- printf("\n\t protocol identity: ");
- safeputs((const char *)tptr+5, sublen);
+ ND_PRINT("\n\t protocol identity: ");
+ nd_printjnp(ndo, tptr + 5, sublen);
+ break;
+
+ case LLDP_PRIVATE_8021_SUBTYPE_LINKAGGR:
+ if (tlv_len < 9) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t aggregation status [%s], aggregation port ID %u",
+ bittok2str(lldp_aggregation_values, "none", GET_U_1((tptr + 4))),
+ GET_BE_U_4(tptr + 5));
break;
+
case LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION:
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CONGESTION_NOTIFICATION_LENGTH){
- return hexdump;
+ return hexdump;
}
- tval=*(tptr+4);
- printf("\n\t Pre-Priority CNPV Indicator");
- printf("\n\t Priority : 0 1 2 3 4 5 6 7");
- printf("\n\t Value : ");
+ tval=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Pre-Priority CNPV Indicator");
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : ");
for(i=0;i<NO_OF_BITS;i++)
- printf("%-2d ",(tval>>i)&0x01);
- tval=*(tptr+5);
- printf("\n\t Pre-Priority Ready Indicator");
- printf("\n\t Priority : 0 1 2 3 4 5 6 7");
- printf("\n\t Value : ");
+ ND_PRINT("%-2d ", (tval >> i) & 0x01);
+ tval=GET_U_1(tptr + 5);
+ ND_PRINT("\n\t Pre-Priority Ready Indicator");
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : ");
for(i=0;i<NO_OF_BITS;i++)
- printf("%-2d ",(tval>>i)&0x01);
+ ND_PRINT("%-2d ", (tval >> i) & 0x01);
break;
case LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION:
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_CONFIGURATION_LENGTH) {
return hexdump;
}
- tval=*(tptr+4);
- printf("\n\t Willing:%d, CBS:%d, RES:%d, Max TCs:%d",
- tval>>7, (tval>>6) & 0x02, (tval>>3) & 0x07, tval & 0x07);
+ tval=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Willing:%u, CBS:%u, RES:%u, Max TCs:%u",
+ tval >> 7, (tval >> 6) & 0x02, (tval >> 3) & 0x07, tval & 0x07);
/*Print Priority Assignment Table*/
- print_ets_priority_assignment_table(tptr+5);
+ print_ets_priority_assignment_table(ndo, tptr + 5);
/*Print TC Bandwidth Table*/
- print_tc_bandwidth_table(tptr+9);
+ print_tc_bandwidth_table(ndo, tptr + 9);
/* Print TSA Assignment Table */
- print_tsa_assignment_table(tptr+17);
+ print_tsa_assignment_table(ndo, tptr + 17);
break;
case LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION:
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_ETS_RECOMMENDATION_LENGTH) {
- return hexdump;
+ return hexdump;
}
- printf("\n\t RES: %d",*(tptr+4));
+ ND_PRINT("\n\t RES: %u", GET_U_1(tptr + 4));
/*Print Priority Assignment Table */
- print_ets_priority_assignment_table(tptr+5);
+ print_ets_priority_assignment_table(ndo, tptr + 5);
/*Print TC Bandwidth Table */
- print_tc_bandwidth_table(tptr+9);
+ print_tc_bandwidth_table(ndo, tptr + 9);
/* Print TSA Assignment Table */
- print_tsa_assignment_table(tptr+17);
+ print_tsa_assignment_table(ndo, tptr + 17);
break;
case LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION:
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_PFC_CONFIGURATION_LENGTH) {
return hexdump;
}
- tval=*(tptr+4);
- printf("\n\t Willing: %d, MBC: %d, RES: %d, PFC cap:%d ",
- tval>>7, (tval>>6)&0x01, (tval>>4)&0x03, (tval & 0x0f));
- printf("\n\t PFC Enable");
- tval=*(tptr+5);
- printf("\n\t Priority : 0 1 2 3 4 5 6 7");
- printf("\n\t Value : ");
+ tval=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Willing: %u, MBC: %u, RES: %u, PFC cap:%u ",
+ tval >> 7, (tval >> 6) & 0x01, (tval >> 4) & 0x03, (tval & 0x0f));
+ ND_PRINT("\n\t PFC Enable");
+ tval=GET_U_1(tptr + 5);
+ ND_PRINT("\n\t Priority : 0 1 2 3 4 5 6 7");
+ ND_PRINT("\n\t Value : ");
for(i=0;i<NO_OF_BITS;i++)
- printf("%-2d ",(tval>>i)&0x01);
+ ND_PRINT("%-2d ", (tval >> i) & 0x01);
break;
case LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY:
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH) {
return hexdump;
}
- printf("\n\t RES: %d",*(tptr+4));
+ ND_PRINT("\n\t RES: %u", GET_U_1(tptr + 4));
if(tlv_len<=LLDP_PRIVATE_8021_SUBTYPE_APPLICATION_PRIORITY_MIN_LENGTH){
- return hexdump;
+ return hexdump;
}
/* Length of Application Priority Table */
sublen=tlv_len-5;
if(sublen%3!=0){
- return hexdump;
+ return hexdump;
}
i=0;
- printf("\n\t Application Priority Table");
+ ND_PRINT("\n\t Application Priority Table");
while(i<sublen) {
- tval=*(tptr+i+5);
- printf("\n\t Priority: %d, RES: %d, Sel: %d",
- tval>>5, (tval>>3)&0x03, (tval & 0x07));
- printf("Protocol ID: %d",EXTRACT_16BITS(tptr+i+5));
- i=i+3;
+ tval=GET_U_1(tptr + i + 5);
+ ND_PRINT("\n\t Priority: %u, RES: %u, Sel: %u, Protocol ID: %u",
+ tval >> 5, (tval >> 3) & 0x03, (tval & 0x07),
+ GET_BE_U_2(tptr + i + 6));
+ i=i+3;
}
break;
case LLDP_PRIVATE_8021_SUBTYPE_EVB:
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_EVB_LENGTH){
- return hexdump;
+ return hexdump;
}
- printf("\n\t EVB Bridge Status");
- tval=*(tptr+4);
- printf("\n\t RES: %d, BGID: %d, RRCAP: %d, RRCTR: %d",
- tval>>3, (tval>>2)&0x01, (tval>>1)&0x01,tval&0x01);
- printf("\n\t EVB Station Status");
- tval=*(tptr+5);
- printf("\n\t RES: %d, SGID: %d, RRREQ: %d,RRSTAT: %d",
- tval>>4, (tval>>3)&0x01, (tval>>2)&0x01, tval&0x03);
- tval=*(tptr+6);
- printf("\n\t R: %d, RTE: %d, ",tval>>5, tval&0x1f);
- tval=*(tptr+7);
- printf("EVB Mode: %s [%d]",
- tok2str(lldp_evb_mode_values,"unknown",tval>>6),tval>>6);
- printf("\n\t ROL: %d, RWD: %d, ", (tval>>5)&0x01,tval&0x1f);
- tval=*(tptr+8);
- printf("RES: %d, ROL: %d, RKA: %d", tval>>6,(tval>>5)&0x01, tval&0x1f);
+ ND_PRINT("\n\t EVB Bridge Status");
+ tval=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t RES: %u, BGID: %u, RRCAP: %u, RRCTR: %u",
+ tval >> 3, (tval >> 2) & 0x01, (tval >> 1) & 0x01, tval & 0x01);
+ ND_PRINT("\n\t EVB Station Status");
+ tval=GET_U_1(tptr + 5);
+ ND_PRINT("\n\t RES: %u, SGID: %u, RRREQ: %u,RRSTAT: %u",
+ tval >> 4, (tval >> 3) & 0x01, (tval >> 2) & 0x01, tval & 0x03);
+ tval=GET_U_1(tptr + 6);
+ ND_PRINT("\n\t R: %u, RTE: %u, ",tval >> 5, tval & 0x1f);
+ tval=GET_U_1(tptr + 7);
+ ND_PRINT("EVB Mode: %s [%u]",
+ tok2str(lldp_evb_mode_values, "unknown", tval >> 6), tval >> 6);
+ ND_PRINT("\n\t ROL: %u, RWD: %u, ", (tval >> 5) & 0x01, tval & 0x1f);
+ tval=GET_U_1(tptr + 8);
+ ND_PRINT("RES: %u, ROL: %u, RKA: %u", tval >> 6, (tval >> 5) & 0x01, tval & 0x1f);
break;
case LLDP_PRIVATE_8021_SUBTYPE_CDCP:
if(tlv_len<LLDP_PRIVATE_8021_SUBTYPE_CDCP_MIN_LENGTH){
- return hexdump;
+ return hexdump;
}
- tval=*(tptr+4);
- printf("\n\t Role: %d, RES: %d, Scomp: %d ",
- tval>>7, (tval>>4)&0x07,(tval>>3)&0x01);
- printf("ChnCap: %d",EXTRACT_16BITS(tptr+6)&0x0fff);
+ tval=GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Role: %u, RES: %u, Scomp: %u ",
+ tval >> 7, (tval >> 4) & 0x07, (tval >> 3) & 0x01);
+ ND_PRINT("ChnCap: %u", GET_BE_U_2(tptr + 6) & 0x0fff);
sublen=tlv_len-8;
if(sublen%3!=0) {
- return hexdump;
+ return hexdump;
}
i=0;
while(i<sublen) {
- tval=EXTRACT_24BITS(tptr+i+8);
- printf("\n\t SCID: %d, SVID: %d",
- tval>>12, tval&0x000fff);
- i=i+3;
+ tval=GET_BE_U_3(tptr + i + 8);
+ ND_PRINT("\n\t SCID: %u, SVID: %u",
+ tval >> 12, tval & 0x000fff);
+ i=i+3;
}
break;
* Print IEEE 802.3 private extensions. (802.3bc)
*/
static int
-lldp_private_8023_print(const u_char *tptr, u_int tlv_len)
+lldp_private_8023_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
{
- int subtype, hexdump = FALSE;
+ int hexdump = FALSE;
+ u_int subtype;
if (tlv_len < 4) {
return hexdump;
}
- subtype = *(tptr+3);
+ subtype = GET_U_1(tptr + 3);
- printf("\n\t %s Subtype (%u)",
+ ND_PRINT("\n\t %s Subtype (%u)",
tok2str(lldp_8023_subtype_values, "unknown", subtype),
subtype);
if (tlv_len < 9) {
return hexdump;
}
- printf("\n\t autonegotiation [%s] (0x%02x)",
- bittok2str(lldp_8023_autonegotiation_values, "none", *(tptr+4)),
- *(tptr+4));
- printf("\n\t PMD autoneg capability [%s] (0x%04x)",
- bittok2str(lldp_pmd_capability_values,"unknown", EXTRACT_16BITS(tptr+5)),
- EXTRACT_16BITS(tptr+5));
- printf("\n\t MAU type %s (0x%04x)",
- tok2str(lldp_mau_types_values, "unknown", EXTRACT_16BITS(tptr+7)),
- EXTRACT_16BITS(tptr+7));
+ ND_PRINT("\n\t autonegotiation [%s] (0x%02x)",
+ bittok2str(lldp_8023_autonegotiation_values, "none", GET_U_1(tptr + 4)),
+ GET_U_1(tptr + 4));
+ ND_PRINT("\n\t PMD autoneg capability [%s] (0x%04x)",
+ bittok2str(lldp_pmd_capability_values,"unknown", GET_BE_U_2(tptr + 5)),
+ GET_BE_U_2(tptr + 5));
+ ND_PRINT("\n\t MAU type %s (0x%04x)",
+ tok2str(lldp_mau_types_values, "unknown", GET_BE_U_2(tptr + 7)),
+ GET_BE_U_2(tptr + 7));
break;
case LLDP_PRIVATE_8023_SUBTYPE_MDIPOWER:
if (tlv_len < 7) {
return hexdump;
}
- printf("\n\t MDI power support [%s], power pair %s, power class %s",
- bittok2str(lldp_mdi_values, "none", *(tptr+4)),
- tok2str(lldp_mdi_power_pairs_values, "unknown", *(tptr+5)),
- tok2str(lldp_mdi_power_class_values, "unknown", *(tptr+6)));
+ ND_PRINT("\n\t MDI power support [%s], power pair %s, power class %s",
+ bittok2str(lldp_mdi_values, "none", GET_U_1((tptr + 4))),
+ tok2str(lldp_mdi_power_pairs_values, "unknown", GET_U_1((tptr + 5))),
+ tok2str(lldp_mdi_power_class_values, "unknown", GET_U_1((tptr + 6))));
break;
case LLDP_PRIVATE_8023_SUBTYPE_LINKAGGR:
if (tlv_len < 9) {
return hexdump;
}
- printf("\n\t aggregation status [%s], aggregation port ID %u",
- bittok2str(lldp_aggregation_values, "none", *(tptr+4)),
- EXTRACT_32BITS(tptr+5));
+ ND_PRINT("\n\t aggregation status [%s], aggregation port ID %u",
+ bittok2str(lldp_aggregation_values, "none", GET_U_1((tptr + 4))),
+ GET_BE_U_4(tptr + 5));
break;
case LLDP_PRIVATE_8023_SUBTYPE_MTU:
- printf("\n\t MTU size %u", EXTRACT_16BITS(tptr+4));
+ if (tlv_len < 6) {
+ return hexdump;
+ }
+ ND_PRINT("\n\t MTU size %u", GET_BE_U_2(tptr + 4));
break;
default:
/*
* Extract 34bits of latitude/longitude coordinates.
*/
-static u_int64_t
-lldp_extract_latlon(const u_char *tptr)
+static uint64_t
+lldp_extract_latlon(netdissect_options *ndo, const u_char *tptr)
{
- u_int64_t latlon;
+ uint64_t latlon;
- latlon = *tptr & 0x3;
- latlon = (latlon << 32) | EXTRACT_32BITS(tptr+1);
+ latlon = GET_U_1(tptr) & 0x3;
+ latlon = (latlon << 32) | GET_BE_U_4(tptr + 1);
return latlon;
}
+/* objects defined in IANA subtype 00 00 5e
+ * (right now there is only one)
+ */
+
+
+static int
+lldp_private_iana_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
+{
+ int hexdump = FALSE;
+ u_int subtype;
+
+ if (tlv_len < 8) {
+ return hexdump;
+ }
+ subtype = GET_U_1(tptr + 3);
+
+ ND_PRINT("\n\t %s Subtype (%u)",
+ tok2str(lldp_iana_subtype_values, "unknown", subtype),
+ subtype);
+
+ switch (subtype) {
+ case LLDP_IANA_SUBTYPE_MUDURL:
+ ND_PRINT("\n\t MUD-URL=");
+ nd_printjn(ndo, tptr+4, tlv_len-4);
+ break;
+ default:
+ hexdump=TRUE;
+ }
+
+ return hexdump;
+}
+
+
+
/*
* Print private TIA extensions.
*/
static int
-lldp_private_tia_print(const u_char *tptr, u_int tlv_len)
+lldp_private_tia_print(netdissect_options *ndo,
+ const u_char *tptr, u_int tlv_len)
{
- int subtype, hexdump = FALSE;
- u_int8_t location_format;
- u_int16_t power_val;
+ int hexdump = FALSE;
+ u_int subtype;
+ uint8_t location_format;
+ uint16_t power_val;
u_int lci_len;
- u_int8_t ca_type, ca_len;
+ uint8_t ca_type, ca_len;
if (tlv_len < 4) {
return hexdump;
}
- subtype = *(tptr+3);
+ subtype = GET_U_1(tptr + 3);
- printf("\n\t %s Subtype (%u)",
+ ND_PRINT("\n\t %s Subtype (%u)",
tok2str(lldp_tia_subtype_values, "unknown", subtype),
subtype);
if (tlv_len < 7) {
return hexdump;
}
- printf("\n\t Media capabilities [%s] (0x%04x)",
+ ND_PRINT("\n\t Media capabilities [%s] (0x%04x)",
bittok2str(lldp_tia_capabilities_values, "none",
- EXTRACT_16BITS(tptr+4)), EXTRACT_16BITS(tptr+4));
- printf("\n\t Device type [%s] (0x%02x)",
- tok2str(lldp_tia_device_type_values, "unknown", *(tptr+6)),
- *(tptr+6));
+ GET_BE_U_2(tptr + 4)), GET_BE_U_2(tptr + 4));
+ ND_PRINT("\n\t Device type [%s] (0x%02x)",
+ tok2str(lldp_tia_device_type_values, "unknown", GET_U_1(tptr + 6)),
+ GET_U_1(tptr + 6));
break;
case LLDP_PRIVATE_TIA_SUBTYPE_NETWORK_POLICY:
if (tlv_len < 8) {
return hexdump;
}
- printf("\n\t Application type [%s] (0x%02x)",
- tok2str(lldp_tia_application_type_values, "none", *(tptr+4)),
- *(tptr+4));
- printf(", Flags [%s]", bittok2str(
- lldp_tia_network_policy_bits_values, "none", *(tptr+5)));
- printf("\n\t Vlan id %u",
- LLDP_EXTRACT_NETWORK_POLICY_VLAN(EXTRACT_16BITS(tptr+5)));
- printf(", L2 priority %u",
- LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(EXTRACT_16BITS(tptr+6)));
- printf(", DSCP value %u",
- LLDP_EXTRACT_NETWORK_POLICY_DSCP(EXTRACT_16BITS(tptr+6)));
+ ND_PRINT("\n\t Application type [%s] (0x%02x)",
+ tok2str(lldp_tia_application_type_values, "none", GET_U_1(tptr + 4)),
+ GET_U_1(tptr + 4));
+ ND_PRINT(", Flags [%s]", bittok2str(
+ lldp_tia_network_policy_bits_values, "none", GET_U_1((tptr + 5))));
+ ND_PRINT("\n\t Vlan id %u",
+ LLDP_EXTRACT_NETWORK_POLICY_VLAN(GET_BE_U_2(tptr + 5)));
+ ND_PRINT(", L2 priority %u",
+ LLDP_EXTRACT_NETWORK_POLICY_L2_PRIORITY(GET_BE_U_2(tptr + 6)));
+ ND_PRINT(", DSCP value %u",
+ LLDP_EXTRACT_NETWORK_POLICY_DSCP(GET_BE_U_2(tptr + 6)));
break;
case LLDP_PRIVATE_TIA_SUBTYPE_LOCAL_ID:
if (tlv_len < 5) {
return hexdump;
}
- location_format = *(tptr+4);
- printf("\n\t Location data format %s (0x%02x)",
+ location_format = GET_U_1(tptr + 4);
+ ND_PRINT("\n\t Location data format %s (0x%02x)",
tok2str(lldp_tia_location_data_format_values, "unknown", location_format),
location_format);
if (tlv_len < 21) {
return hexdump;
}
- printf("\n\t Latitude resolution %u, latitude value %" PRIu64,
- (*(tptr+5)>>2), lldp_extract_latlon(tptr+5));
- printf("\n\t Longitude resolution %u, longitude value %" PRIu64,
- (*(tptr+10)>>2), lldp_extract_latlon(tptr+10));
- printf("\n\t Altitude type %s (%u)",
- tok2str(lldp_tia_location_altitude_type_values, "unknown",(*(tptr+15)>>4)),
- (*(tptr+15)>>4));
- printf("\n\t Altitude resolution %u, altitude value 0x%x",
- (EXTRACT_16BITS(tptr+15)>>6)&0x3f,
- ((EXTRACT_32BITS(tptr+16)&0x3fffffff)));
- printf("\n\t Datum %s (0x%02x)",
- tok2str(lldp_tia_location_datum_type_values, "unknown", *(tptr+20)),
- *(tptr+20));
+ ND_PRINT("\n\t Latitude resolution %u, latitude value %" PRIu64,
+ (GET_U_1(tptr + 5) >> 2),
+ lldp_extract_latlon(ndo, tptr + 5));
+ ND_PRINT("\n\t Longitude resolution %u, longitude value %" PRIu64,
+ (GET_U_1(tptr + 10) >> 2),
+ lldp_extract_latlon(ndo, tptr + 10));
+ ND_PRINT("\n\t Altitude type %s (%u)",
+ tok2str(lldp_tia_location_altitude_type_values, "unknown",GET_U_1(tptr + 15) >> 4),
+ (GET_U_1(tptr + 15) >> 4));
+ ND_PRINT("\n\t Altitude resolution %u, altitude value 0x%x",
+ (GET_BE_U_2(tptr + 15)>>6)&0x3f,
+ (GET_BE_U_4(tptr + 16) & 0x3fffffff));
+ ND_PRINT("\n\t Datum %s (0x%02x)",
+ tok2str(lldp_tia_location_datum_type_values, "unknown", GET_U_1(tptr + 20)),
+ GET_U_1(tptr + 20));
break;
case LLDP_TIA_LOCATION_DATA_FORMAT_CIVIC_ADDRESS:
if (tlv_len < 6) {
return hexdump;
}
- lci_len = *(tptr+5);
+ lci_len = GET_U_1(tptr + 5);
if (lci_len < 3) {
return hexdump;
}
if (tlv_len < 7+lci_len) {
return hexdump;
}
- printf("\n\t LCI length %u, LCI what %s (0x%02x), Country-code ",
+ ND_PRINT("\n\t LCI length %u, LCI what %s (0x%02x), Country-code ",
lci_len,
- tok2str(lldp_tia_location_lci_what_values, "unknown", *(tptr+6)),
- *(tptr+6));
+ tok2str(lldp_tia_location_lci_what_values, "unknown", GET_U_1(tptr + 6)),
+ GET_U_1(tptr + 6));
/* Country code */
- safeputs((const char *)(tptr+7), 2);
+ nd_printjnp(ndo, tptr + 7, 2);
lci_len = lci_len-3;
tptr = tptr + 9;
/* Decode each civic address element */
- while (lci_len > 0) {
+ while (lci_len != 0) {
if (lci_len < 2) {
return hexdump;
}
- ca_type = *(tptr);
- ca_len = *(tptr+1);
+ ca_type = GET_U_1(tptr);
+ ca_len = GET_U_1(tptr + 1);
tptr += 2;
lci_len -= 2;
- printf("\n\t CA type \'%s\' (%u), length %u: ",
+ ND_PRINT("\n\t CA type '%s' (%u), length %u: ",
tok2str(lldp_tia_location_lci_catype_values, "unknown", ca_type),
ca_type, ca_len);
return hexdump;
}
- safeputs((const char *)tptr, ca_len);
+ nd_printjnp(ndo, tptr, ca_len);
tptr += ca_len;
lci_len -= ca_len;
}
break;
case LLDP_TIA_LOCATION_DATA_FORMAT_ECS_ELIN:
- printf("\n\t ECS ELIN id ");
- safeputs((const char *)tptr+5, tlv_len-5);
+ ND_PRINT("\n\t ECS ELIN id ");
+ nd_printjnp(ndo, tptr + 5, tlv_len - 5);
break;
default:
- printf("\n\t Location ID ");
- print_unknown_data(gndo,tptr+5, "\n\t ", tlv_len-5);
+ ND_PRINT("\n\t Location ID ");
+ print_unknown_data(ndo, tptr + 5, "\n\t ", tlv_len - 5);
}
break;
if (tlv_len < 7) {
return hexdump;
}
- printf("\n\t Power type [%s]",
- (*(tptr+4)&0xC0>>6) ? "PD device" : "PSE device");
- printf(", Power source [%s]",
- tok2str(lldp_tia_power_source_values, "none", (*(tptr+4)&0x30)>>4));
- printf("\n\t Power priority [%s] (0x%02x)",
- tok2str(lldp_tia_power_priority_values, "none", *(tptr+4)&0x0f),
- *(tptr+4)&0x0f);
- power_val = EXTRACT_16BITS(tptr+5);
+ ND_PRINT("\n\t Power type [%s]",
+ (GET_U_1(tptr + 4) & 0xC0 >> 6) ? "PD device" : "PSE device");
+ ND_PRINT(", Power source [%s]",
+ tok2str(lldp_tia_power_source_values, "none", (GET_U_1((tptr + 4)) & 0x30) >> 4));
+ ND_PRINT("\n\t Power priority [%s] (0x%02x)",
+ tok2str(lldp_tia_power_priority_values, "none", GET_U_1(tptr + 4) & 0x0f),
+ GET_U_1(tptr + 4) & 0x0f);
+ power_val = GET_BE_U_2(tptr + 5);
if (power_val < LLDP_TIA_POWER_VAL_MAX) {
- printf(", Power %.1f Watts", ((float)power_val)/10);
+ ND_PRINT(", Power %.1f Watts", ((float)power_val) / 10);
} else {
- printf(", Power %u (Reserved)", power_val);
+ ND_PRINT(", Power %u (Reserved)", power_val);
}
break;
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MANUFACTURER_NAME:
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_MODEL_NAME:
case LLDP_PRIVATE_TIA_SUBTYPE_INVENTORY_ASSET_ID:
- printf("\n\t %s ",
+ ND_PRINT("\n\t %s ",
tok2str(lldp_tia_inventory_values, "unknown", subtype));
- safeputs((const char *)tptr+4, tlv_len-4);
+ nd_printjnp(ndo, tptr + 4, tlv_len - 4);
break;
default:
* Print DCBX Protocol fields (V 1.01).
*/
static int
-lldp_private_dcbx_print(const u_char *pptr, u_int len)
+lldp_private_dcbx_print(netdissect_options *ndo,
+ const u_char *pptr, u_int len)
{
- int subtype, hexdump = FALSE;
- u_int8_t tval;
- u_int16_t tlv;
- u_int32_t i, pgval, uval;
- u_int tlen, tlv_type, tlv_len;
+ int hexdump = FALSE;
+ u_int subtype;
+ uint16_t tval;
+ uint16_t tlv;
+ uint32_t i, pgval, uval;
+ u_int tlen, tlv_type;
+ uint16_t tlv_len;
const u_char *tptr, *mptr;
if (len < 4) {
return hexdump;
}
- subtype = *(pptr+3);
+ subtype = GET_U_1(pptr + 3);
- printf("\n\t %s Subtype (%u)",
+ ND_PRINT("\n\t %s Subtype (%u)",
tok2str(lldp_dcbx_subtype_values, "unknown", subtype),
subtype);
while (tlen >= sizeof(tlv)) {
- TCHECK2(*tptr, sizeof(tlv));
+ ND_TCHECK_LEN(tptr, sizeof(tlv));
- tlv = EXTRACT_16BITS(tptr);
+ tlv = GET_BE_U_2(tptr);
tlv_type = LLDP_EXTRACT_TYPE(tlv);
tlv_len = LLDP_EXTRACT_LEN(tlv);
break;
}
- TCHECK2(*tptr, tlv_len);
+ ND_TCHECK_LEN(tptr, tlv_len);
if (tlen < tlv_len) {
goto trunc;
}
if (tlv_len < 10) {
goto trunc;
}
- printf("\n\t Control - Protocol Control (type 0x%x, length %d)",
+ ND_PRINT("\n\t Control - Protocol Control (type 0x%x, length %u)",
LLDP_DCBX_CONTROL_TLV, tlv_len);
- printf("\n\t Oper_Version: %d", *tptr);
- printf("\n\t Max_Version: %d", *(tptr+1));
- printf("\n\t Sequence Number: %d", EXTRACT_32BITS(tptr+2));
- printf("\n\t Acknowledgement Number: %d",
- EXTRACT_32BITS(tptr+6));
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Sequence Number: %u", GET_BE_U_4(tptr + 2));
+ ND_PRINT("\n\t Acknowledgement Number: %u",
+ GET_BE_U_4(tptr + 6));
break;
case LLDP_DCBX_PRIORITY_GROUPS_TLV:
if (tlv_len < 17) {
goto trunc;
}
- printf("\n\t Feature - Priority Group (type 0x%x, length %d)",
+ ND_PRINT("\n\t Feature - Priority Group (type 0x%x, length %u)",
LLDP_DCBX_PRIORITY_GROUPS_TLV, tlv_len);
- printf("\n\t Oper_Version: %d", *tptr);
- printf("\n\t Max_Version: %d", *(tptr+1));
- printf("\n\t Info block(0x%02X): ", *(tptr+2));
- tval = *(tptr+2);
- printf("Enable bit: %d, Willing bit: %d, Error Bit: %d",
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Info block(0x%02X): ", GET_U_1(tptr + 2));
+ tval = GET_U_1(tptr + 2);
+ ND_PRINT("Enable bit: %u, Willing bit: %u, Error Bit: %u",
(tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
(tval & 0x20) ? 1 : 0);
- printf("\n\t SubType: %d", *(tptr+3));
- printf("\n\t Priority Allocation");
-
- pgval = EXTRACT_32BITS(tptr+4);
+ ND_PRINT("\n\t SubType: %u", GET_U_1(tptr + 3));
+ ND_PRINT("\n\t Priority Allocation");
+
+ /*
+ * Array of 8 4-bit priority group ID values; we fetch all
+ * 32 bits and extract each nibble.
+ */
+ pgval = GET_BE_U_4(tptr + 4);
for (i = 0; i <= 7; i++) {
- tval = *(tptr+4+(i/2));
- printf("\n\t PgId_%d: %d",
- i, (pgval >> (28-4*i)) & 0xF);
+ ND_PRINT("\n\t PgId_%u: %u",
+ i, (pgval >> (28 - 4 * i)) & 0xF);
}
- printf("\n\t Priority Group Allocation");
+ ND_PRINT("\n\t Priority Group Allocation");
for (i = 0; i <= 7; i++)
- printf("\n\t Pg percentage[%d]: %d", i, *(tptr+8+i));
- printf("\n\t NumTCsSupported: %d", *(tptr+8+8));
+ ND_PRINT("\n\t Pg percentage[%u]: %u", i,
+ GET_U_1(tptr + 8 + i));
+ ND_PRINT("\n\t NumTCsSupported: %u", GET_U_1(tptr + 8 + 8));
break;
case LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV:
if (tlv_len < 6) {
goto trunc;
}
- printf("\n\t Feature - Priority Flow Control");
- printf(" (type 0x%x, length %d)",
+ ND_PRINT("\n\t Feature - Priority Flow Control");
+ ND_PRINT(" (type 0x%x, length %u)",
LLDP_DCBX_PRIORITY_FLOW_CONTROL_TLV, tlv_len);
- printf("\n\t Oper_Version: %d", *tptr);
- printf("\n\t Max_Version: %d", *(tptr+1));
- printf("\n\t Info block(0x%02X): ", *(tptr+2));
- tval = *(tptr+2);
- printf("Enable bit: %d, Willing bit: %d, Error Bit: %d",
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Info block(0x%02X): ", GET_U_1(tptr + 2));
+ tval = GET_U_1(tptr + 2);
+ ND_PRINT("Enable bit: %u, Willing bit: %u, Error Bit: %u",
(tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
(tval & 0x20) ? 1 : 0);
- printf("\n\t SubType: %d", *(tptr+3));
- tval = *(tptr+4);
- printf("\n\t PFC Config (0x%02X)", *(tptr+4));
+ ND_PRINT("\n\t SubType: %u", GET_U_1(tptr + 3));
+ tval = GET_U_1(tptr + 4);
+ ND_PRINT("\n\t PFC Config (0x%02X)", GET_U_1(tptr + 4));
for (i = 0; i <= 7; i++)
- printf("\n\t Priority Bit %d: %s",
+ ND_PRINT("\n\t Priority Bit %u: %s",
i, (tval & (1 << i)) ? "Enabled" : "Disabled");
- printf("\n\t NumTCPFCSupported: %d", *(tptr+5));
+ ND_PRINT("\n\t NumTCPFCSupported: %u", GET_U_1(tptr + 5));
break;
case LLDP_DCBX_APPLICATION_TLV:
if (tlv_len < 4) {
goto trunc;
}
- printf("\n\t Feature - Application (type 0x%x, length %d)",
+ ND_PRINT("\n\t Feature - Application (type 0x%x, length %u)",
LLDP_DCBX_APPLICATION_TLV, tlv_len);
- printf("\n\t Oper_Version: %d", *tptr);
- printf("\n\t Max_Version: %d", *(tptr+1));
- printf("\n\t Info block(0x%02X): ", *(tptr+2));
- tval = *(tptr+2);
- printf("Enable bit: %d, Willing bit: %d, Error Bit: %d",
+ ND_PRINT("\n\t Oper_Version: %u", GET_U_1(tptr));
+ ND_PRINT("\n\t Max_Version: %u", GET_U_1(tptr + 1));
+ ND_PRINT("\n\t Info block(0x%02X): ", GET_U_1(tptr + 2));
+ tval = GET_U_1(tptr + 2);
+ ND_PRINT("Enable bit: %u, Willing bit: %u, Error Bit: %u",
(tval & 0x80) ? 1 : 0, (tval & 0x40) ? 1 : 0,
(tval & 0x20) ? 1 : 0);
- printf("\n\t SubType: %d", *(tptr+3));
+ ND_PRINT("\n\t SubType: %u", GET_U_1(tptr + 3));
tval = tlv_len - 4;
mptr = tptr + 4;
while (tval >= 6) {
- printf("\n\t Application Value");
- printf("\n\t Application Protocol ID: 0x%04x",
- EXTRACT_16BITS(mptr));
- uval = EXTRACT_24BITS(mptr+2);
- printf("\n\t SF (0x%x) Application Protocol ID is %s",
+ ND_PRINT("\n\t Application Value");
+ ND_PRINT("\n\t Application Protocol ID: 0x%04x",
+ GET_BE_U_2(mptr));
+ uval = GET_BE_U_3(mptr + 2);
+ ND_PRINT("\n\t SF (0x%x) Application Protocol ID is %s",
(uval >> 22),
(uval >> 22) ? "Socket Number" : "L2 EtherType");
- printf("\n\t OUI: 0x%06x", uval & 0x3fffff);
- printf("\n\t User Priority Map: 0x%02x", *(mptr+5));
+ ND_PRINT("\n\t OUI: 0x%06x", uval & 0x3fffff);
+ ND_PRINT("\n\t User Priority Map: 0x%02x",
+ GET_U_1(mptr + 5));
tval = tval - 6;
mptr = mptr + 6;
}
}
/* do we also want to see a hex dump ? */
- if (vflag > 1 || (vflag && hexdump)) {
- print_unknown_data(gndo,tptr,"\n\t ", tlv_len);
+ if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) {
+ print_unknown_data(ndo, tptr, "\n\t ", tlv_len);
}
tlen -= tlv_len;
}
static char *
-lldp_network_addr_print(const u_char *tptr, u_int len) {
-
- u_int8_t af;
+lldp_network_addr_print(netdissect_options *ndo, const u_char *tptr, u_int len)
+{
+ uint8_t af;
static char buf[BUFSIZE];
- const char * (*pfunc)(const u_char *);
+ const char * (*pfunc)(netdissect_options *, const u_char *);
if (len < 1)
return NULL;
len--;
- af = *tptr;
+ af = GET_U_1(tptr);
switch (af) {
- case AFNUM_INET:
- if (len < 4)
+ case AFNUM_IP:
+ if (len < sizeof(nd_ipv4))
return NULL;
- pfunc = getname;
+ pfunc = ipaddr_string;
break;
-#ifdef INET6
- case AFNUM_INET6:
- if (len < 16)
+ case AFNUM_IP6:
+ if (len < sizeof(nd_ipv6))
return NULL;
- pfunc = getname6;
+ pfunc = ip6addr_string;
break;
-#endif
case AFNUM_802:
- if (len < 6)
+ if (len < MAC48_LEN)
return NULL;
- pfunc = etheraddr_string;
+ pfunc = mac48_string;
break;
default:
pfunc = NULL;
tok2str(af_values, "Unknown", af), af);
} else {
snprintf(buf, sizeof(buf), "AFI %s (%u): %s",
- tok2str(af_values, "Unknown", af), af, (*pfunc)(tptr+1));
+ tok2str(af_values, "Unknown", af), af, (*pfunc)(ndo, tptr+1));
}
return buf;
}
static int
-lldp_mgmt_addr_tlv_print(const u_char *pptr, u_int len) {
-
- u_int8_t mgmt_addr_len, intf_num_subtype, oid_len;
+lldp_mgmt_addr_tlv_print(netdissect_options *ndo,
+ const u_char *pptr, u_int len)
+{
+ uint8_t mgmt_addr_len, intf_num_subtype, oid_len;
const u_char *tptr;
u_int tlen;
char *mgmt_addr;
if (tlen < 1) {
return 0;
}
- mgmt_addr_len = *tptr++;
+ mgmt_addr_len = GET_U_1(tptr);
+ tptr++;
tlen--;
if (tlen < mgmt_addr_len) {
return 0;
}
- mgmt_addr = lldp_network_addr_print(tptr, mgmt_addr_len);
+ mgmt_addr = lldp_network_addr_print(ndo, tptr, mgmt_addr_len);
if (mgmt_addr == NULL) {
return 0;
}
- printf("\n\t Management Address length %u, %s",
+ ND_PRINT("\n\t Management Address length %u, %s",
mgmt_addr_len, mgmt_addr);
tptr += mgmt_addr_len;
tlen -= mgmt_addr_len;
return 0;
}
- intf_num_subtype = *tptr;
- printf("\n\t %s Interface Numbering (%u): %u",
+ intf_num_subtype = GET_U_1(tptr);
+ ND_PRINT("\n\t %s Interface Numbering (%u): %u",
tok2str(lldp_intf_numb_subtype_values, "Unknown", intf_num_subtype),
intf_num_subtype,
- EXTRACT_32BITS(tptr+1));
+ GET_BE_U_4(tptr + 1));
tptr += LLDP_INTF_NUM_LEN;
tlen -= LLDP_INTF_NUM_LEN;
* The OID is optional.
*/
if (tlen) {
- oid_len = *tptr;
+ oid_len = GET_U_1(tptr);
- if (tlen < oid_len) {
+ if (tlen < 1U + oid_len) {
return 0;
}
if (oid_len) {
- printf("\n\t OID length %u", oid_len);
- safeputs((const char *)tptr+1, oid_len);
+ ND_PRINT("\n\t OID length %u", oid_len);
+ nd_printjnp(ndo, tptr + 1, oid_len);
}
}
}
void
-lldp_print(register const u_char *pptr, register u_int len) {
-
- u_int8_t subtype;
- u_int16_t tlv, cap, ena_cap;
+lldp_print(netdissect_options *ndo,
+ const u_char *pptr, u_int len)
+{
+ uint8_t subtype;
+ uint16_t tlv, cap, ena_cap;
u_int oui, tlen, hexdump, tlv_type, tlv_len;
const u_char *tptr;
char *network_addr;
+ ndo->ndo_protocol = "lldp";
tptr = pptr;
tlen = len;
- printf("LLDP, length %u", len);
+ ND_PRINT("LLDP, length %u", len);
while (tlen >= sizeof(tlv)) {
- TCHECK2(*tptr, sizeof(tlv));
+ ND_TCHECK_LEN(tptr, sizeof(tlv));
- tlv = EXTRACT_16BITS(tptr);
+ tlv = GET_BE_U_2(tptr);
tlv_type = LLDP_EXTRACT_TYPE(tlv);
tlv_len = LLDP_EXTRACT_LEN(tlv);
tlen -= sizeof(tlv);
tptr += sizeof(tlv);
- if (vflag) {
- printf("\n\t%s TLV (%u), length %u",
+ if (ndo->ndo_vflag) {
+ ND_PRINT("\n\t%s TLV (%u), length %u",
tok2str(lldp_tlv_values, "Unknown", tlv_type),
tlv_type, tlv_len);
}
break;
}
- TCHECK2(*tptr, tlv_len);
+ ND_TCHECK_LEN(tptr, tlv_len);
if (tlen < tlv_len) {
goto trunc;
}
switch (tlv_type) {
case LLDP_CHASSIS_ID_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
if (tlv_len < 2) {
goto trunc;
}
- subtype = *tptr;
- printf("\n\t Subtype %s (%u): ",
+ subtype = GET_U_1(tptr);
+ ND_PRINT("\n\t Subtype %s (%u): ",
tok2str(lldp_chassis_subtype_values, "Unknown", subtype),
subtype);
if (tlv_len < 1+6) {
goto trunc;
}
- printf("%s", etheraddr_string(tptr+1));
+ ND_PRINT("%s", GET_MAC48_STRING(tptr + 1));
break;
case LLDP_CHASSIS_INTF_NAME_SUBTYPE: /* fall through */
case LLDP_CHASSIS_CHASSIS_COMP_SUBTYPE:
case LLDP_CHASSIS_INTF_ALIAS_SUBTYPE:
case LLDP_CHASSIS_PORT_COMP_SUBTYPE:
- safeputs((const char *)tptr+1, tlv_len-1);
+ nd_printjnp(ndo, tptr + 1, tlv_len - 1);
break;
case LLDP_CHASSIS_NETWORK_ADDR_SUBTYPE:
- network_addr = lldp_network_addr_print(tptr+1, tlv_len-1);
+ network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1);
if (network_addr == NULL) {
goto trunc;
}
- printf("%s", network_addr);
+ ND_PRINT("%s", network_addr);
break;
default:
break;
case LLDP_PORT_ID_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
if (tlv_len < 2) {
goto trunc;
}
- subtype = *tptr;
- printf("\n\t Subtype %s (%u): ",
+ subtype = GET_U_1(tptr);
+ ND_PRINT("\n\t Subtype %s (%u): ",
tok2str(lldp_port_subtype_values, "Unknown", subtype),
subtype);
if (tlv_len < 1+6) {
goto trunc;
}
- printf("%s", etheraddr_string(tptr+1));
+ ND_PRINT("%s", GET_MAC48_STRING(tptr + 1));
break;
case LLDP_PORT_INTF_NAME_SUBTYPE: /* fall through */
case LLDP_PORT_AGENT_CIRC_ID_SUBTYPE:
case LLDP_PORT_INTF_ALIAS_SUBTYPE:
case LLDP_PORT_PORT_COMP_SUBTYPE:
- safeputs((const char *)tptr+1, tlv_len-1);
+ nd_printjnp(ndo, tptr + 1, tlv_len - 1);
break;
case LLDP_PORT_NETWORK_ADDR_SUBTYPE:
- network_addr = lldp_network_addr_print(tptr+1, tlv_len-1);
+ network_addr = lldp_network_addr_print(ndo, tptr+1, tlv_len-1);
if (network_addr == NULL) {
goto trunc;
}
- printf("%s", network_addr);
+ ND_PRINT("%s", network_addr);
break;
default:
break;
case LLDP_TTL_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
if (tlv_len < 2) {
goto trunc;
}
- printf(": TTL %us", EXTRACT_16BITS(tptr));
+ ND_PRINT(": TTL %us", GET_BE_U_2(tptr));
}
break;
case LLDP_PORT_DESCR_TLV:
- if (vflag) {
- printf(": ");
- safeputs((const char *)tptr, tlv_len);
+ if (ndo->ndo_vflag) {
+ ND_PRINT(": ");
+ nd_printjnp(ndo, tptr, tlv_len);
}
break;
* The system name is also print in non-verbose mode
* similar to the CDP printer.
*/
- printf(": ");
- safeputs((const char *)tptr, tlv_len);
+ ND_PRINT(": ");
+ nd_printjnp(ndo, tptr, tlv_len);
break;
case LLDP_SYSTEM_DESCR_TLV:
- if (vflag) {
- printf("\n\t ");
- safeputs((const char *)tptr, tlv_len);
+ if (ndo->ndo_vflag) {
+ ND_PRINT("\n\t ");
+ nd_printjnp(ndo, tptr, tlv_len);
}
break;
case LLDP_SYSTEM_CAP_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
/*
* XXX - IEEE Std 802.1AB-2009 says the first octet
* if a chassis ID subtype, with the system
if (tlv_len < 4) {
goto trunc;
}
- cap = EXTRACT_16BITS(tptr);
- ena_cap = EXTRACT_16BITS(tptr+2);
- printf("\n\t System Capabilities [%s] (0x%04x)",
+ cap = GET_BE_U_2(tptr);
+ ena_cap = GET_BE_U_2(tptr + 2);
+ ND_PRINT("\n\t System Capabilities [%s] (0x%04x)",
bittok2str(lldp_cap_values, "none", cap), cap);
- printf("\n\t Enabled Capabilities [%s] (0x%04x)",
+ ND_PRINT("\n\t Enabled Capabilities [%s] (0x%04x)",
bittok2str(lldp_cap_values, "none", ena_cap), ena_cap);
}
break;
case LLDP_MGMT_ADDR_TLV:
- if (vflag) {
- if (!lldp_mgmt_addr_tlv_print(tptr, tlv_len)) {
+ if (ndo->ndo_vflag) {
+ if (!lldp_mgmt_addr_tlv_print(ndo, tptr, tlv_len)) {
goto trunc;
}
}
break;
case LLDP_PRIVATE_TLV:
- if (vflag) {
+ if (ndo->ndo_vflag) {
if (tlv_len < 3) {
goto trunc;
}
- oui = EXTRACT_24BITS(tptr);
- printf(": OUI %s (0x%06x)", tok2str(oui_values, "Unknown", oui), oui);
+ oui = GET_BE_U_3(tptr);
+ ND_PRINT(": OUI %s (0x%06x)", tok2str(oui_values, "Unknown", oui), oui);
switch (oui) {
case OUI_IEEE_8021_PRIVATE:
- hexdump = lldp_private_8021_print(tptr, tlv_len);
+ hexdump = lldp_private_8021_print(ndo, tptr, tlv_len);
break;
case OUI_IEEE_8023_PRIVATE:
- hexdump = lldp_private_8023_print(tptr, tlv_len);
+ hexdump = lldp_private_8023_print(ndo, tptr, tlv_len);
+ break;
+ case OUI_IANA:
+ hexdump = lldp_private_iana_print(ndo, tptr, tlv_len);
break;
case OUI_TIA:
- hexdump = lldp_private_tia_print(tptr, tlv_len);
+ hexdump = lldp_private_tia_print(ndo, tptr, tlv_len);
break;
case OUI_DCBX:
- hexdump = lldp_private_dcbx_print(tptr, tlv_len);
+ hexdump = lldp_private_dcbx_print(ndo, tptr, tlv_len);
break;
default:
hexdump = TRUE;
}
/* do we also want to see a hex dump ? */
- if (vflag > 1 || (vflag && hexdump)) {
- print_unknown_data(gndo,tptr,"\n\t ", tlv_len);
+ if (ndo->ndo_vflag > 1 || (ndo->ndo_vflag && hexdump)) {
+ print_unknown_data(ndo, tptr, "\n\t ", tlv_len);
}
tlen -= tlv_len;
}
return;
trunc:
- printf("\n\t[|LLDP]");
+ nd_print_trunc(ndo);
}
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 4
- * End:
- */
projects / tcpdump / blobdiff