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|
/* -*- mode: c; c-file-style: "openbsd" -*- */
/*
* Copyright (c) 2015 Vincent Bernat <bernat@luffy.cx>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdlib.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <netinet/in.h>
#include <check.h>
#include "common.h"
char filenameprefix[] = "cdp_send";
#ifdef ENABLE_CDP
START_TEST(test_send_cdpv1)
{
int n;
/* Packet we should build:
IEEE 802.3 Ethernet
Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
Length: 106
Logical-Link Control
DSAP: SNAP (0xaa)
IG Bit: Individual
SSAP: SNAP (0xaa)
CR Bit: Command
Control field: U, func=UI (0x03)
000. 00.. = Command: Unnumbered Information (0x00)
.... ..11 = Frame type: Unnumbered frame (0x03)
Organization Code: Cisco (0x00000c)
PID: CDP (0x2000)
Cisco Discovery Protocol
Version: 1
TTL: 180 seconds
Checksum: 0x3af7 [correct]
[Good: True]
[Bad : False]
Device ID: First chassis
Type: Device ID (0x0001)
Length: 17
Device ID: First chassis
Addresses
Type: Addresses (0x0002)
Length: 17
Number of addresses: 1
IP address: 172.17.142.37
Protocol type: NLPID
Protocol length: 1
Protocol: IP
Address length: 4
IP address: 172.17.142.37
Port ID: FastEthernet 1/5
Type: Port ID (0x0003)
Length: 20
Sent through Interface: FastEthernet 1/5
Capabilities
Type: Capabilities (0x0004)
Length: 8
Capabilities: 0x00000011
.... .... .... .... .... .... .... ...1 = Is a Router
.... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
.... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
.... .... .... .... .... .... .... 0... = Not a Switch
.... .... .... .... .... .... ...1 .... = Is a Host
.... .... .... .... .... .... ..0. .... = Not IGMP capable
.... .... .... .... .... .... .0.. .... = Not a Repeater
Software Version
Type: Software version (0x0005)
Length: 23
Software Version: Chassis description
Platform: Linux
Type: Platform (0x0006)
Length: 9
Platform: Linux
*/
char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10, 0x8e, 0xe7,
0x84, 0xad, 0x00, 0x6a, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00,
0x01, 0xb4, 0x3a, 0xf7, 0x00, 0x01, 0x00, 0x11, 0x46, 0x69, 0x72, 0x73,
0x74, 0x20, 0x63, 0x68, 0x61, 0x73, 0x73, 0x69, 0x73, 0x00, 0x02, 0x00,
0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac, 0x11,
0x8e, 0x25, 0x00, 0x03, 0x00, 0x14, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74,
0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x31, 0x2f, 0x35, 0x00, 0x04,
0x00, 0x08, 0x00, 0x00, 0x00, 0x11, 0x00, 0x05, 0x00, 0x17, 0x43, 0x68,
0x61, 0x73, 0x73, 0x69, 0x73, 0x20, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69,
0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00, 0x09, 0x4c, 0x69, 0x6e,
0x75, 0x78 };
struct packet *pkt;
in_addr_t addr;
struct lldpd_mgmt *mgmt;
struct lldpd cfg = { .g_config = { .c_ttl = 180, .c_platform = "Linux" } };
/* Populate port and chassis */
hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME;
hardware.h_lport.p_id = "Not used";
hardware.h_lport.p_id_len = strlen(hardware.h_lport.p_id);
hardware.h_lport.p_descr = "FastEthernet 1/5";
chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
chassis.c_id = macaddress;
chassis.c_id_len = ETHER_ADDR_LEN;
chassis.c_name = "First chassis";
chassis.c_descr = "Chassis description";
chassis.c_cap_available = chassis.c_cap_enabled = LLDP_CAP_ROUTER;
TAILQ_INIT(&chassis.c_mgmt);
addr = inet_addr("172.17.142.37");
mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &addr, sizeof(in_addr_t), 0);
if (mgmt == NULL) ck_abort();
TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt, m_entries);
/* Build packet */
n = cdpv1_send(&cfg, &hardware);
if (n != 0) {
fail("unable to build packet");
return;
}
if (TAILQ_EMPTY(&pkts)) {
fail("no packets sent");
return;
}
pkt = TAILQ_FIRST(&pkts);
ck_assert_int_eq(pkt->size, sizeof(pkt1));
fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
}
END_TEST
START_TEST(test_send_cdpv2)
{
int n;
/* Packet we should build:
IEEE 802.3 Ethernet
Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
the factory default)
Length: 111
Logical-Link Control
DSAP: SNAP (0xaa)
IG Bit: Individual
SSAP: SNAP (0xaa)
CR Bit: Command
Control field: U, func=UI (0x03)
000. 00.. = Command: Unnumbered Information (0x00)
.... ..11 = Frame type: Unnumbered frame (0x03)
Organization Code: Cisco (0x00000c)
PID: CDP (0x2000)
Cisco Discovery Protocol
Version: 2
TTL: 180 seconds
Checksum: 0x5926 [correct]
[Good: True]
[Bad : False]
Device ID: Second chassis
Type: Device ID (0x0001)
Length: 18
Device ID: Second chassis
Addresses
Type: Addresses (0x0002)
Length: 26
Number of addresses: 2
IP address: 172.17.142.36
Protocol type: NLPID
Protocol length: 1
Protocol: IP
Address length: 4
IP address: 172.17.142.36
IP address: 172.17.142.38
Protocol type: NLPID
Protocol length: 1
Protocol: IP
Address length: 4
IP address: 172.17.142.38
Port ID: Gigabit Ethernet 5/8
Type: Port ID (0x0003)
Length: 24
Sent through Interface: Gigabit Ethernet 5/8
Capabilities
Type: Capabilities (0x0004)
Length: 8
Capabilities: 0x00000019
.... .... .... .... .... .... .... ...1 = Is a Router
.... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
.... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
.... .... .... .... .... .... .... 1... = Is a Switch
.... .... .... .... .... .... ...1 .... = Is a Host
.... .... .... .... .... .... ..0. .... = Not IGMP capable
.... .... .... .... .... .... .0.. .... = Not a Repeater
Software Version
Type: Software version (0x0005)
Length: 23
Software Version: Chassis description
Platform: Linux
Type: Platform (0x0006)
Length: 9
Platform: Linux
*/
char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10, 0x8e, 0xe7,
0x84, 0xad, 0x00, 0x78, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00,
0x02, 0xb4, 0xc8, 0x67, 0x00, 0x01, 0x00, 0x12, 0x53, 0x65, 0x63, 0x6f,
0x6e, 0x64, 0x20, 0x63, 0x68, 0x61, 0x73, 0x73, 0x69, 0x73, 0x00, 0x02,
0x00, 0x1a, 0x00, 0x00, 0x00, 0x02, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac,
0x11, 0x8e, 0x24, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac, 0x11, 0x8e, 0x26,
0x00, 0x03, 0x00, 0x18, 0x47, 0x69, 0x67, 0x61, 0x62, 0x69, 0x74, 0x20,
0x45, 0x74, 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x35, 0x2f, 0x38,
0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00, 0x19, 0x00, 0x05, 0x00, 0x17,
0x43, 0x68, 0x61, 0x73, 0x73, 0x69, 0x73, 0x20, 0x64, 0x65, 0x73, 0x63,
0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00, 0x09, 0x4c,
0x69, 0x6e, 0x75, 0x78 };
struct packet *pkt;
in_addr_t addr1;
in_addr_t addr2;
struct lldpd_mgmt *mgmt1;
struct lldpd_mgmt *mgmt2;
struct lldpd cfg = { .g_config = { .c_ttl = 180, .c_platform = "Linux" } };
/* Populate port and chassis */
hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_LLADDR;
hardware.h_lport.p_id = macaddress;
hardware.h_lport.p_id_len = ETHER_ADDR_LEN;
hardware.h_lport.p_descr = "Gigabit Ethernet 5/8";
chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
chassis.c_id = macaddress;
chassis.c_id_len = ETHER_ADDR_LEN;
chassis.c_name = "Second chassis";
chassis.c_descr = "Chassis description";
chassis.c_cap_available = chassis.c_cap_enabled =
LLDP_CAP_ROUTER | LLDP_CAP_BRIDGE;
TAILQ_INIT(&chassis.c_mgmt);
addr1 = inet_addr("172.17.142.36");
addr2 = inet_addr("172.17.142.38");
mgmt1 = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &addr1, sizeof(in_addr_t), 0);
mgmt2 = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &addr2, sizeof(in_addr_t), 0);
if (mgmt1 == NULL || mgmt2 == NULL) ck_abort();
TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt1, m_entries);
TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt2, m_entries);
/* Build packet */
n = cdpv2_send(&cfg, &hardware);
if (n != 0) {
fail("unable to build packet");
return;
}
if (TAILQ_EMPTY(&pkts)) {
fail("no packets sent");
return;
}
pkt = TAILQ_FIRST(&pkts);
ck_assert_int_eq(pkt->size, sizeof(pkt1));
fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
}
END_TEST
START_TEST(test_recv_cdpv1)
{
char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x00, 0xe0, 0x1e, 0xd5,
0xd5, 0x15, 0x01, 0x1e, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00,
0x01, 0xb4, 0xdf, 0xf0, 0x00, 0x01, 0x00, 0x06, 0x52, 0x31, 0x00, 0x02,
0x00, 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xc0,
0xa8, 0x0a, 0x01, 0x00, 0x03, 0x00, 0x0d, 0x45, 0x74, 0x68, 0x65, 0x72,
0x6e, 0x65, 0x74, 0x30, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00, 0x11,
0x00, 0x05, 0x00, 0xd8, 0x43, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x49, 0x6e,
0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f,
0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x53, 0x79, 0x73,
0x74, 0x65, 0x6d, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65,
0x20, 0x0a, 0x49, 0x4f, 0x53, 0x20, 0x28, 0x74, 0x6d, 0x29, 0x20, 0x31,
0x36, 0x30, 0x30, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65,
0x20, 0x28, 0x43, 0x31, 0x36, 0x30, 0x30, 0x2d, 0x4e, 0x59, 0x2d, 0x4c,
0x29, 0x2c, 0x20, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31,
0x31, 0x2e, 0x32, 0x28, 0x31, 0x32, 0x29, 0x50, 0x2c, 0x20, 0x52, 0x45,
0x4c, 0x45, 0x41, 0x53, 0x45, 0x20, 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41,
0x52, 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a, 0x43, 0x6f, 0x70,
0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31,
0x39, 0x38, 0x36, 0x2d, 0x31, 0x39, 0x39, 0x38, 0x20, 0x62, 0x79, 0x20,
0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
0x73, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43, 0x6f, 0x6d, 0x70,
0x69, 0x6c, 0x65, 0x64, 0x20, 0x54, 0x75, 0x65, 0x20, 0x30, 0x33, 0x2d,
0x4d, 0x61, 0x72, 0x2d, 0x39, 0x38, 0x20, 0x30, 0x36, 0x3a, 0x33, 0x33,
0x20, 0x62, 0x79, 0x20, 0x64, 0x73, 0x63, 0x68, 0x77, 0x61, 0x72, 0x74,
0x00, 0x06, 0x00, 0x0e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x31, 0x36,
0x30, 0x31 };
/* This is:
IEEE 802.3 Ethernet
Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
Source: Cisco_d5:d5:15 (00:e0:1e:d5:d5:15)
Length: 286
Logical-Link Control
DSAP: SNAP (0xaa)
IG Bit: Individual
SSAP: SNAP (0xaa)
CR Bit: Command
Control field: U, func=UI (0x03)
000. 00.. = Command: Unnumbered Information (0x00)
.... ..11 = Frame type: Unnumbered frame (0x03)
Organization Code: Cisco (0x00000c)
PID: CDP (0x2000)
Cisco Discovery Protocol
Version: 1
TTL: 180 seconds
Checksum: 0xdff0 [correct]
[Good: True]
[Bad : False]
Device ID: R1
Type: Device ID (0x0001)
Length: 6
Device ID: R1
Addresses
Type: Addresses (0x0002)
Length: 17
Number of addresses: 1
IP address: 192.168.10.1
Protocol type: NLPID
Protocol length: 1
Protocol: IP
Address length: 4
IP address: 192.168.10.1
Port ID: Ethernet0
Type: Port ID (0x0003)
Length: 13
Sent through Interface: Ethernet0
Capabilities
Type: Capabilities (0x0004)
Length: 8
Capabilities: 0x00000011
.... .... .... .... .... .... .... ...1 = Is a Router
.... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
.... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
.... .... .... .... .... .... .... 0... = Not a Switch
.... .... .... .... .... .... ...1 .... = Is a Host
.... .... .... .... .... .... ..0. .... = Not IGMP capable
.... .... .... .... .... .... .0.. .... = Not a Repeater
Software Version
Type: Software version (0x0005)
Length: 216
Software Version: Cisco Internetwork Operating System Software
IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P,
RELEASE SOFTWARE (fc1) Copyright (c) 1986-1998 by cisco Systems, Inc. Compiled Tue
03-Mar-98 06:33 by dschwart Platform: cisco 1601 Type: Platform (0x0006) Length: 14
Platform: cisco 1601
*/
struct lldpd_chassis *nchassis = NULL;
struct lldpd_port *nport = NULL;
fail_unless(cdpv1_guess(pkt1, sizeof(pkt1)));
fail_unless(
cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware, &nchassis, &nport) != -1);
if (!nchassis || !nport) {
fail("unable to decode packet");
return;
}
ck_assert_int_eq(nchassis->c_id_subtype, LLDP_CHASSISID_SUBTYPE_LOCAL);
ck_assert_int_eq(nchassis->c_id_len, 2);
fail_unless(memcmp(nchassis->c_id, "R1", 2) == 0);
ck_assert_str_eq(nchassis->c_name, "R1");
ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
(u_int32_t)inet_addr("192.168.10.1"));
ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
ck_assert_int_eq(nport->p_id_subtype, LLDP_PORTID_SUBTYPE_IFNAME);
ck_assert_int_eq(nport->p_id_len, strlen("Ethernet0"));
fail_unless(memcmp(nport->p_id, "Ethernet0", strlen("Ethernet0")) == 0);
ck_assert_str_eq(nport->p_descr, "Ethernet0");
ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_ROUTER);
ck_assert_str_eq(nchassis->c_descr,
"cisco 1601 running on\n"
"Cisco Internetwork Operating System Software \n"
"IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)\n"
"Copyright (c) 1986-1998 by cisco Systems, Inc.\n"
"Compiled Tue 03-Mar-98 06:33 by dschwart");
}
END_TEST
START_TEST(test_recv_cdpv2)
{
char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0xca, 0x00, 0x68, 0x46,
0x00, 0x00, 0x01, 0x30, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00,
0x02, 0xb4, 0x54, 0x27, 0x00, 0x01, 0x00, 0x0f, 0x72, 0x74, 0x62, 0x67,
0x36, 0x74, 0x65, 0x73, 0x74, 0x30, 0x31, 0x00, 0x05, 0x00, 0xd3, 0x43,
0x69, 0x73, 0x63, 0x6f, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65,
0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74,
0x69, 0x6e, 0x67, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x53,
0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x0a, 0x49, 0x4f, 0x53,
0x20, 0x28, 0x74, 0x6d, 0x29, 0x20, 0x37, 0x32, 0x30, 0x30, 0x20, 0x53,
0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x28, 0x43, 0x37, 0x32,
0x30, 0x30, 0x2d, 0x50, 0x2d, 0x4d, 0x29, 0x2c, 0x20, 0x56, 0x65, 0x72,
0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x32, 0x2e, 0x32, 0x28, 0x34, 0x36,
0x29, 0x2c, 0x20, 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20, 0x53,
0x4f, 0x46, 0x54, 0x57, 0x41, 0x52, 0x45, 0x20, 0x28, 0x66, 0x63, 0x31,
0x29, 0x0a, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20,
0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x38, 0x36, 0x2d, 0x32, 0x30, 0x30,
0x37, 0x20, 0x62, 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x53,
0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e,
0x0a, 0x43, 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54, 0x68,
0x75, 0x20, 0x32, 0x36, 0x2d, 0x41, 0x70, 0x72, 0x2d, 0x30, 0x37, 0x20,
0x32, 0x31, 0x3a, 0x35, 0x36, 0x20, 0x62, 0x79, 0x20, 0x70, 0x77, 0x61,
0x64, 0x65, 0x00, 0x06, 0x00, 0x11, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
0x37, 0x32, 0x30, 0x36, 0x56, 0x58, 0x52, 0x00, 0x02, 0x00, 0x11, 0x00,
0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac, 0x42, 0x37, 0x03,
0x00, 0x03, 0x00, 0x13, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74, 0x68, 0x65,
0x72, 0x6e, 0x65, 0x74, 0x30, 0x2f, 0x30, 0x00, 0x04, 0x00, 0x08, 0x00,
0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x05, 0x00 };
/* This is:
IEEE 802.3 Ethernet
Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
Source: ca:00:68:46:00:00 (ca:00:68:46:00:00)
Length: 304
Logical-Link Control
DSAP: SNAP (0xaa)
IG Bit: Individual
SSAP: SNAP (0xaa)
CR Bit: Command
Control field: U, func=UI (0x03)
000. 00.. = Command: Unnumbered Information (0x00)
.... ..11 = Frame type: Unnumbered frame (0x03)
Organization Code: Cisco (0x00000c)
PID: CDP (0x2000)
Cisco Discovery Protocol
Version: 2
TTL: 180 seconds
Checksum: 0x5427 [correct]
[Good: True]
[Bad : False]
Device ID: rtbg6test01
Type: Device ID (0x0001)
Length: 15
Device ID: rtbg6test01
Software Version
Type: Software version (0x0005)
Length: 211
Software Version: Cisco Internetwork Operating System Software
IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE
SOFTWARE (fc1) Copyright (c) 1986-2007 by cisco Systems, Inc. Compiled Thu 26-Apr-07
21:56 by pwade Platform: cisco 7206VXR Type: Platform (0x0006) Length: 17 Platform:
cisco 7206VXR Addresses Type: Addresses (0x0002) Length: 17 Number of addresses: 1 IP
address: 172.66.55.3 Protocol type: NLPID Protocol length: 1 Protocol: IP Address
length: 4 IP address: 172.66.55.3 Port ID: FastEthernet0/0 Type: Port ID (0x0003)
Length: 19
Sent through Interface: FastEthernet0/0
Capabilities
Type: Capabilities (0x0004)
Length: 8
Capabilities: 0x00000000
.... .... .... .... .... .... .... ...0 = Not a Router
.... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
.... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
.... .... .... .... .... .... .... 0... = Not a Switch
.... .... .... .... .... .... ...0 .... = Not a Host
.... .... .... .... .... .... ..0. .... = Not IGMP capable
.... .... .... .... .... .... .0.. .... = Not a Repeater
Duplex: Half
Type: Duplex (0x000b)
Length: 5
Duplex: Half
*/
struct lldpd_chassis *nchassis = NULL;
struct lldpd_port *nport = NULL;
fail_unless(cdpv2_guess(pkt1, sizeof(pkt1)));
fail_unless(
cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware, &nchassis, &nport) != -1);
if (!nchassis || !nport) {
fail("unable to decode packet");
return;
}
ck_assert_int_eq(nchassis->c_id_subtype, LLDP_CHASSISID_SUBTYPE_LOCAL);
ck_assert_int_eq(nchassis->c_id_len, strlen("rtbg6test01"));
fail_unless(memcmp(nchassis->c_id, "rtbg6test01", strlen("rtbg6test01")) == 0);
ck_assert_str_eq(nchassis->c_name, "rtbg6test01");
ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
(u_int32_t)inet_addr("172.66.55.3"));
ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
ck_assert_int_eq(nport->p_id_subtype, LLDP_PORTID_SUBTYPE_IFNAME);
ck_assert_int_eq(nport->p_id_len, strlen("FastEthernet0/0"));
fail_unless(
memcmp(nport->p_id, "FastEthernet0/0", strlen("FastEthernet0/0")) == 0);
ck_assert_str_eq(nport->p_descr, "FastEthernet0/0");
ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_STATION);
ck_assert_str_eq(nchassis->c_descr,
"cisco 7206VXR running on\n"
"Cisco Internetwork Operating System Software \n"
"IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)\n"
"Copyright (c) 1986-2007 by cisco Systems, Inc.\n"
"Compiled Thu 26-Apr-07 21:56 by pwade");
}
END_TEST
#endif
static Suite *
cdp_suite(void)
{
Suite *s = suite_create("CDP");
#ifdef ENABLE_CDP
TCase *tc_send = tcase_create("Send CDP packets");
TCase *tc_receive = tcase_create("Receive CDP packets");
tcase_add_checked_fixture(tc_send, pcap_setup, pcap_teardown);
tcase_add_test(tc_send, test_send_cdpv1);
tcase_add_test(tc_send, test_send_cdpv2);
suite_add_tcase(s, tc_send);
tcase_add_test(tc_receive, test_recv_cdpv1);
tcase_add_test(tc_receive, test_recv_cdpv2);
suite_add_tcase(s, tc_receive);
#endif
return s;
}
int
main()
{
int number_failed;
Suite *s = cdp_suite();
SRunner *sr = srunner_create(s);
srunner_set_fork_status(sr, CK_NOFORK); /* Can't fork because
we need to write
files */
srunner_run_all(sr, CK_ENV);
number_failed = srunner_ntests_failed(sr);
srunner_free(sr);
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
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