tests/check_cdp.c

   1 #define _GNU_SOURCE 1
   2 #include <stdlib.h>
   3 #include <sys/socket.h>
   4 #include <arpa/inet.h>
   5 #include <netinet/in.h>
   6 #include <check.h>
   7 #include "../src/lldpd.h"
   8 #include "common.h"
   9
  10 char filenameprefix[] = "cdp_send";
  11
  12 #ifdef ENABLE_CDP
  13
  14 START_TEST (test_send_cdpv1)
  15 {
  16         int n;
  17         /* Packet we should build:
  18 IEEE 802.3 Ethernet
  19     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
  20     Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
  21     Length: 106
  22 Logical-Link Control
  23     DSAP: SNAP (0xaa)
  24     IG Bit: Individual
  25     SSAP: SNAP (0xaa)
  26     CR Bit: Command
  27     Control field: U, func=UI (0x03)
  28         000. 00.. = Command: Unnumbered Information (0x00)
  29         .... ..11 = Frame type: Unnumbered frame (0x03)
  30     Organization Code: Cisco (0x00000c)
  31     PID: CDP (0x2000)
  32 Cisco Discovery Protocol
  33     Version: 1
  34     TTL: 180 seconds
  35     Checksum: 0x3af7 [correct]
  36         [Good: True]
  37         [Bad : False]
  38     Device ID: First chassis
  39         Type: Device ID (0x0001)
  40         Length: 17
  41         Device ID: First chassis
  42     Addresses
  43         Type: Addresses (0x0002)
  44         Length: 17
  45         Number of addresses: 1
  46         IP address: 172.17.142.37
  47             Protocol type: NLPID
  48             Protocol length: 1
  49             Protocol: IP
  50             Address length: 4
  51             IP address: 172.17.142.37
  52     Port ID: FastEthernet 1/5
  53         Type: Port ID (0x0003)
  54         Length: 20
  55         Sent through Interface: FastEthernet 1/5
  56     Capabilities
  57         Type: Capabilities (0x0004)
  58         Length: 8
  59         Capabilities: 0x00000011
  60             .... .... .... .... .... .... .... ...1 = Is  a Router
  61             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
  62             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
  63             .... .... .... .... .... .... .... 0... = Not a Switch
  64             .... .... .... .... .... .... ...1 .... = Is  a Host
  65             .... .... .... .... .... .... ..0. .... = Not IGMP capable
  66             .... .... .... .... .... .... .0.. .... = Not a Repeater
  67     Software Version
  68         Type: Software version (0x0005)
  69         Length: 23
  70         Software Version: Chassis description
  71     Platform: Linux
  72         Type: Platform (0x0006)
  73         Length: 9
  74         Platform: Linux
  75         */
  76         char pkt1[] = {
  77           0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10,
  78           0x8e, 0xe7, 0x84, 0xad, 0x00, 0x6a, 0xaa, 0xaa,
  79           0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x01, 0xb4,
  80           0x3a, 0xf7, 0x00, 0x01, 0x00, 0x11, 0x46, 0x69,
  81           0x72, 0x73, 0x74, 0x20, 0x63, 0x68, 0x61, 0x73,
  82           0x73, 0x69, 0x73, 0x00, 0x02, 0x00, 0x11, 0x00,
  83           0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04,
  84           0xac, 0x11, 0x8e, 0x25, 0x00, 0x03, 0x00, 0x14,
  85           0x46, 0x61, 0x73, 0x74, 0x45, 0x74, 0x68, 0x65,
  86           0x72, 0x6e, 0x65, 0x74, 0x20, 0x31, 0x2f, 0x35,
  87           0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00, 0x11,
  88           0x00, 0x05, 0x00, 0x17, 0x43, 0x68, 0x61, 0x73,
  89           0x73, 0x69, 0x73, 0x20, 0x64, 0x65, 0x73, 0x63,
  90           0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00,
  91           0x06, 0x00, 0x09, 0x4c, 0x69, 0x6e, 0x75, 0x78 };
  92         struct packet *pkt;
  93
  94         /* Populate port and chassis */
  95         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME;
  96         hardware.h_lport.p_id = "Not used";
  97         hardware.h_lport.p_id_len = strlen(hardware.h_lport.p_id);
  98         hardware.h_lport.p_descr = "FastEthernet 1/5";
  99         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 100         chassis.c_id = macaddress;
 101         chassis.c_id_len = ETH_ALEN;
 102         chassis.c_name = "First chassis";
 103         chassis.c_descr = "Chassis description";
 104         chassis.c_cap_available = chassis.c_cap_enabled = LLDP_CAP_ROUTER;
 105         TAILQ_INIT(&chassis.c_mgmt);
 106         in_addr_t addr = inet_addr("172.17.142.37");
 107         struct lldpd_mgmt *mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 108                                         &addr, sizeof(in_addr_t), 0);
 109         if (mgmt == NULL)
 110                 ck_abort();
 111         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt, m_entries);
 112
 113         /* Build packet */
 114         n = cdpv1_send(NULL, &hardware);
 115         if (n != 0) {
 116                 fail("unable to build packet");
 117                 return;
 118         }
 119         if (TAILQ_EMPTY(&pkts)) {
 120                 fail("no packets sent");
 121                 return;
 122         }
 123         pkt = TAILQ_FIRST(&pkts);
 124         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 125         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 126         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 127 }
 128 END_TEST
 129
 130 START_TEST (test_send_cdpv2)
 131 {
 132         int n;
 133         /* Packet we should build:
 134 IEEE 802.3 Ethernet
 135     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 136     Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
 137  the factory default)
 138     Length: 111
 139 Logical-Link Control
 140     DSAP: SNAP (0xaa)
 141     IG Bit: Individual
 142     SSAP: SNAP (0xaa)
 143     CR Bit: Command
 144     Control field: U, func=UI (0x03)
 145         000. 00.. = Command: Unnumbered Information (0x00)
 146         .... ..11 = Frame type: Unnumbered frame (0x03)
 147     Organization Code: Cisco (0x00000c)
 148     PID: CDP (0x2000)
 149 Cisco Discovery Protocol
 150     Version: 2
 151     TTL: 180 seconds
 152     Checksum: 0x5926 [correct]
 153         [Good: True]
 154         [Bad : False]
 155     Device ID: Second chassis
 156         Type: Device ID (0x0001)
 157         Length: 18
 158         Device ID: Second chassis
 159     Addresses
 160         Type: Addresses (0x0002)
 161         Length: 17
 162         Number of addresses: 1
 163         IP address: 172.17.142.36
 164             Protocol type: NLPID
 165             Protocol length: 1
 166             Protocol: IP
 167             Address length: 4
 168             IP address: 172.17.142.36
 169     Port ID: Gigabit Ethernet 5/8
 170         Type: Port ID (0x0003)
 171         Length: 24
 172         Sent through Interface: Gigabit Ethernet 5/8
 173     Capabilities
 174         Type: Capabilities (0x0004)
 175         Length: 8
 176         Capabilities: 0x00000019
 177             .... .... .... .... .... .... .... ...1 = Is  a Router
 178             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 179             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 180             .... .... .... .... .... .... .... 1... = Is  a Switch
 181             .... .... .... .... .... .... ...1 .... = Is  a Host
 182             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 183             .... .... .... .... .... .... .0.. .... = Not a Repeater
 184     Software Version
 185         Type: Software version (0x0005)
 186         Length: 23
 187         Software Version: Chassis description
 188     Platform: Linux
 189         Type: Platform (0x0006)
 190         Length: 9
 191         Platform: Linux
 192         */
 193         char pkt1[] = {
 194           0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10,
 195           0x8e, 0xe7, 0x84, 0xad, 0x00, 0x6f, 0xaa, 0xaa,
 196           0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 197           0x59, 0x26, 0x00, 0x01, 0x00, 0x12, 0x53, 0x65,
 198           0x63, 0x6f, 0x6e, 0x64, 0x20, 0x63, 0x68, 0x61,
 199           0x73, 0x73, 0x69, 0x73, 0x00, 0x02, 0x00, 0x11,
 200           0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00,
 201           0x04, 0xac, 0x11, 0x8e, 0x24, 0x00, 0x03, 0x00,
 202           0x18, 0x47, 0x69, 0x67, 0x61, 0x62, 0x69, 0x74,
 203           0x20, 0x45, 0x74, 0x68, 0x65, 0x72, 0x6e, 0x65,
 204           0x74, 0x20, 0x35, 0x2f, 0x38, 0x00, 0x04, 0x00,
 205           0x08, 0x00, 0x00, 0x00, 0x19, 0x00, 0x05, 0x00,
 206           0x17, 0x43, 0x68, 0x61, 0x73, 0x73, 0x69, 0x73,
 207           0x20, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, 0x70,
 208           0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00, 0x09,
 209           0x4c, 0x69, 0x6e, 0x75, 0x78 };
 210         struct packet *pkt;
 211
 212         /* Populate port and chassis */
 213         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_LLADDR;
 214         hardware.h_lport.p_id = macaddress;
 215         hardware.h_lport.p_id_len = ETH_ALEN;
 216         hardware.h_lport.p_descr = "Gigabit Ethernet 5/8";
 217         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 218         chassis.c_id = macaddress;
 219         chassis.c_id_len = ETH_ALEN;
 220         chassis.c_name = "Second chassis";
 221         chassis.c_descr = "Chassis description";
 222         chassis.c_cap_available = chassis.c_cap_enabled =
 223           LLDP_CAP_ROUTER | LLDP_CAP_BRIDGE;
 224         TAILQ_INIT(&chassis.c_mgmt);
 225         in_addr_t addr = inet_addr("172.17.142.36");
 226         struct lldpd_mgmt *mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 227                                         &addr, sizeof(in_addr_t), 0);
 228         if (mgmt == NULL)
 229                 ck_abort();
 230         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt, m_entries);
 231
 232         /* Build packet */
 233         n = cdpv2_send(NULL, &hardware);
 234         if (n != 0) {
 235                 fail("unable to build packet");
 236                 return;
 237         }
 238         if (TAILQ_EMPTY(&pkts)) {
 239                 fail("no packets sent");
 240                 return;
 241         }
 242         pkt = TAILQ_FIRST(&pkts);
 243         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 244         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 245         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 246 }
 247 END_TEST
 248
 249 START_TEST (test_recv_cdpv1)
 250 {
 251         char pkt1[] = {
 252                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x00, 0xe0,
 253                 0x1e, 0xd5, 0xd5, 0x15, 0x01, 0x1e, 0xaa, 0xaa,
 254                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x01, 0xb4,
 255                 0xdf, 0xf0, 0x00, 0x01, 0x00, 0x06, 0x52, 0x31,
 256                 0x00, 0x02, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01,
 257                 0x01, 0x01, 0xcc, 0x00, 0x04, 0xc0, 0xa8, 0x0a,
 258                 0x01, 0x00, 0x03, 0x00, 0x0d, 0x45, 0x74, 0x68,
 259                 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x00, 0x04,
 260                 0x00, 0x08, 0x00, 0x00, 0x00, 0x11, 0x00, 0x05,
 261                 0x00, 0xd8, 0x43, 0x69, 0x73, 0x63, 0x6f, 0x20,
 262                 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
 263                 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, 0x70, 0x65,
 264                 0x72, 0x61, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x53,
 265                 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x53, 0x6f,
 266                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x0a,
 267                 0x49, 0x4f, 0x53, 0x20, 0x28, 0x74, 0x6d, 0x29,
 268                 0x20, 0x31, 0x36, 0x30, 0x30, 0x20, 0x53, 0x6f,
 269                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x28,
 270                 0x43, 0x31, 0x36, 0x30, 0x30, 0x2d, 0x4e, 0x59,
 271                 0x2d, 0x4c, 0x29, 0x2c, 0x20, 0x56, 0x65, 0x72,
 272                 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x31, 0x2e,
 273                 0x32, 0x28, 0x31, 0x32, 0x29, 0x50, 0x2c, 0x20,
 274                 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20,
 275                 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52, 0x45,
 276                 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a, 0x43,
 277                 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74,
 278                 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x38,
 279                 0x36, 0x2d, 0x31, 0x39, 0x39, 0x38, 0x20, 0x62,
 280                 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 281                 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x2c,
 282                 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43, 0x6f,
 283                 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54,
 284                 0x75, 0x65, 0x20, 0x30, 0x33, 0x2d, 0x4d, 0x61,
 285                 0x72, 0x2d, 0x39, 0x38, 0x20, 0x30, 0x36, 0x3a,
 286                 0x33, 0x33, 0x20, 0x62, 0x79, 0x20, 0x64, 0x73,
 287                 0x63, 0x68, 0x77, 0x61, 0x72, 0x74, 0x00, 0x06,
 288                 0x00, 0x0e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 289                 0x31, 0x36, 0x30, 0x31 };
 290         /* This is:
 291 IEEE 802.3 Ethernet
 292     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 293     Source: Cisco_d5:d5:15 (00:e0:1e:d5:d5:15)
 294     Length: 286
 295 Logical-Link Control
 296     DSAP: SNAP (0xaa)
 297     IG Bit: Individual
 298     SSAP: SNAP (0xaa)
 299     CR Bit: Command
 300     Control field: U, func=UI (0x03)
 301         000. 00.. = Command: Unnumbered Information (0x00)
 302         .... ..11 = Frame type: Unnumbered frame (0x03)
 303     Organization Code: Cisco (0x00000c)
 304     PID: CDP (0x2000)
 305 Cisco Discovery Protocol
 306     Version: 1
 307     TTL: 180 seconds
 308     Checksum: 0xdff0 [correct]
 309         [Good: True]
 310         [Bad : False]
 311     Device ID: R1
 312         Type: Device ID (0x0001)
 313         Length: 6
 314         Device ID: R1
 315     Addresses
 316         Type: Addresses (0x0002)
 317         Length: 17
 318         Number of addresses: 1
 319         IP address: 192.168.10.1
 320             Protocol type: NLPID
 321             Protocol length: 1
 322             Protocol: IP
 323             Address length: 4
 324             IP address: 192.168.10.1
 325     Port ID: Ethernet0
 326         Type: Port ID (0x0003)
 327         Length: 13
 328         Sent through Interface: Ethernet0
 329     Capabilities
 330         Type: Capabilities (0x0004)
 331         Length: 8
 332         Capabilities: 0x00000011
 333             .... .... .... .... .... .... .... ...1 = Is  a Router
 334             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 335             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 336             .... .... .... .... .... .... .... 0... = Not a Switch
 337             .... .... .... .... .... .... ...1 .... = Is  a Host
 338             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 339             .... .... .... .... .... .... .0.. .... = Not a Repeater
 340     Software Version
 341         Type: Software version (0x0005)
 342         Length: 216
 343         Software Version: Cisco Internetwork Operating System Software
 344                           IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)
 345                           Copyright (c) 1986-1998 by cisco Systems, Inc.
 346                           Compiled Tue 03-Mar-98 06:33 by dschwart
 347     Platform: cisco 1601
 348         Type: Platform (0x0006)
 349         Length: 14
 350         Platform: cisco 1601
 351         */
 352         struct lldpd_chassis *nchassis = NULL;
 353         struct lldpd_port *nport = NULL;
 354
 355         fail_unless(cdpv1_guess(pkt1, sizeof(pkt1)));
 356         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 357                 &nchassis, &nport) != -1);
 358         if (!nchassis || !nport) {
 359                 fail("unable to decode packet");
 360                 return;
 361         }
 362         ck_assert_int_eq(nchassis->c_id_subtype,
 363             LLDP_CHASSISID_SUBTYPE_LOCAL);
 364         ck_assert_int_eq(nchassis->c_id_len, 2);
 365         fail_unless(memcmp(nchassis->c_id, "R1", 2) == 0);
 366         ck_assert_str_eq(nchassis->c_name, "R1");
 367         ck_assert_int_eq(nchassis->c_mgmt.tqh_first->m_addr.inet.s_addr,
 368             (u_int32_t)inet_addr("192.168.10.1"));
 369         ck_assert_int_eq(nchassis->c_mgmt.tqh_first->m_iface, 0);
 370         ck_assert_int_eq(nport->p_id_subtype,
 371             LLDP_PORTID_SUBTYPE_IFNAME);
 372         ck_assert_int_eq(nport->p_id_len, strlen("Ethernet0"));
 373         fail_unless(memcmp(nport->p_id,
 374                 "Ethernet0", strlen("Ethernet0")) == 0);
 375         ck_assert_str_eq(nport->p_descr, "Ethernet0");
 376         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_ROUTER);
 377         ck_assert_str_eq(nchassis->c_descr,
 378             "cisco 1601 running on\n"
 379             "Cisco Internetwork Operating System Software \n"
 380             "IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)\n"
 381             "Copyright (c) 1986-1998 by cisco Systems, Inc.\n"
 382             "Compiled Tue 03-Mar-98 06:33 by dschwart");
 383 }
 384 END_TEST
 385
 386 START_TEST (test_recv_cdpv2)
 387 {
 388         char pkt1[] = {
 389                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0xca, 0x00,
 390                 0x68, 0x46, 0x00, 0x00, 0x01, 0x30, 0xaa, 0xaa,
 391                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 392                 0x54, 0x27, 0x00, 0x01, 0x00, 0x0f, 0x72, 0x74,
 393                 0x62, 0x67, 0x36, 0x74, 0x65, 0x73, 0x74, 0x30,
 394                 0x31, 0x00, 0x05, 0x00, 0xd3, 0x43, 0x69, 0x73,
 395                 0x63, 0x6f, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72,
 396                 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20,
 397                 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6e,
 398                 0x67, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
 399                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 400                 0x65, 0x20, 0x0a, 0x49, 0x4f, 0x53, 0x20, 0x28,
 401                 0x74, 0x6d, 0x29, 0x20, 0x37, 0x32, 0x30, 0x30,
 402                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 403                 0x65, 0x20, 0x28, 0x43, 0x37, 0x32, 0x30, 0x30,
 404                 0x2d, 0x50, 0x2d, 0x4d, 0x29, 0x2c, 0x20, 0x56,
 405                 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31,
 406                 0x32, 0x2e, 0x32, 0x28, 0x34, 0x36, 0x29, 0x2c,
 407                 0x20, 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45,
 408                 0x20, 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52,
 409                 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a,
 410                 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68,
 411                 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39,
 412                 0x38, 0x36, 0x2d, 0x32, 0x30, 0x30, 0x37, 0x20,
 413                 0x62, 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f,
 414                 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73,
 415                 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43,
 416                 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20,
 417                 0x54, 0x68, 0x75, 0x20, 0x32, 0x36, 0x2d, 0x41,
 418                 0x70, 0x72, 0x2d, 0x30, 0x37, 0x20, 0x32, 0x31,
 419                 0x3a, 0x35, 0x36, 0x20, 0x62, 0x79, 0x20, 0x70,
 420                 0x77, 0x61, 0x64, 0x65, 0x00, 0x06, 0x00, 0x11,
 421                 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x37, 0x32,
 422                 0x30, 0x36, 0x56, 0x58, 0x52, 0x00, 0x02, 0x00,
 423                 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc,
 424                 0x00, 0x04, 0xac, 0x42, 0x37, 0x03, 0x00, 0x03,
 425                 0x00, 0x13, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74,
 426                 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x2f,
 427                 0x30, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00,
 428                 0x00, 0x00, 0x0b, 0x00, 0x05, 0x00 };
 429         /* This is:
 430 IEEE 802.3 Ethernet
 431     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 432     Source: ca:00:68:46:00:00 (ca:00:68:46:00:00)
 433     Length: 304
 434 Logical-Link Control
 435     DSAP: SNAP (0xaa)
 436     IG Bit: Individual
 437     SSAP: SNAP (0xaa)
 438     CR Bit: Command
 439     Control field: U, func=UI (0x03)
 440         000. 00.. = Command: Unnumbered Information (0x00)
 441         .... ..11 = Frame type: Unnumbered frame (0x03)
 442     Organization Code: Cisco (0x00000c)
 443     PID: CDP (0x2000)
 444 Cisco Discovery Protocol
 445     Version: 2
 446     TTL: 180 seconds
 447     Checksum: 0x5427 [correct]
 448         [Good: True]
 449         [Bad : False]
 450     Device ID: rtbg6test01
 451         Type: Device ID (0x0001)
 452         Length: 15
 453         Device ID: rtbg6test01
 454     Software Version
 455         Type: Software version (0x0005)
 456         Length: 211
 457         Software Version: Cisco Internetwork Operating System Software
 458                           IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)
 459                           Copyright (c) 1986-2007 by cisco Systems, Inc.
 460                           Compiled Thu 26-Apr-07 21:56 by pwade
 461     Platform: cisco 7206VXR
 462         Type: Platform (0x0006)
 463         Length: 17
 464         Platform: cisco 7206VXR
 465     Addresses
 466         Type: Addresses (0x0002)
 467         Length: 17
 468         Number of addresses: 1
 469         IP address: 172.66.55.3
 470             Protocol type: NLPID
 471             Protocol length: 1
 472             Protocol: IP
 473             Address length: 4
 474             IP address: 172.66.55.3
 475     Port ID: FastEthernet0/0
 476         Type: Port ID (0x0003)
 477         Length: 19
 478         Sent through Interface: FastEthernet0/0
 479     Capabilities
 480         Type: Capabilities (0x0004)
 481         Length: 8
 482         Capabilities: 0x00000000
 483             .... .... .... .... .... .... .... ...0 = Not a Router
 484             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 485             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 486             .... .... .... .... .... .... .... 0... = Not a Switch
 487             .... .... .... .... .... .... ...0 .... = Not a Host
 488             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 489             .... .... .... .... .... .... .0.. .... = Not a Repeater
 490     Duplex: Half
 491         Type: Duplex (0x000b)
 492         Length: 5
 493         Duplex: Half
 494         */
 495         struct lldpd_chassis *nchassis = NULL;
 496         struct lldpd_port *nport = NULL;
 497
 498         fail_unless(cdpv2_guess(pkt1, sizeof(pkt1)));
 499         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 500                 &nchassis, &nport) != -1);
 501         if (!nchassis || !nport) {
 502                 fail("unable to decode packet");
 503                 return;
 504         }
 505         ck_assert_int_eq(nchassis->c_id_subtype,
 506             LLDP_CHASSISID_SUBTYPE_LOCAL);
 507         ck_assert_int_eq(nchassis->c_id_len, strlen("rtbg6test01"));
 508         fail_unless(memcmp(nchassis->c_id,
 509                 "rtbg6test01", strlen("rtbg6test01")) == 0);
 510         ck_assert_str_eq(nchassis->c_name, "rtbg6test01");
 511         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
 512             (u_int32_t)inet_addr("172.66.55.3"));
 513         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
 514         ck_assert_int_eq(nport->p_id_subtype,
 515             LLDP_PORTID_SUBTYPE_IFNAME);
 516         ck_assert_int_eq(nport->p_id_len, strlen("FastEthernet0/0"));
 517         fail_unless(memcmp(nport->p_id,
 518                 "FastEthernet0/0", strlen("FastEthernet0/0")) == 0);
 519         ck_assert_str_eq(nport->p_descr, "FastEthernet0/0");
 520         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_STATION);
 521         ck_assert_str_eq(nchassis->c_descr,
 522             "cisco 7206VXR running on\n"
 523             "Cisco Internetwork Operating System Software \n"
 524             "IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)\n"
 525             "Copyright (c) 1986-2007 by cisco Systems, Inc.\n"
 526             "Compiled Thu 26-Apr-07 21:56 by pwade");
 527 }
 528 END_TEST
 529
 530 #endif
 531
 532 Suite *
 533 cdp_suite(void)
 534 {
 535         Suite *s = suite_create("CDP");
 536
 537 #ifdef ENABLE_CDP
 538         TCase *tc_send = tcase_create("Send CDP packets");
 539         tcase_add_checked_fixture(tc_send, pcap_setup, pcap_teardown);
 540         tcase_add_test(tc_send, test_send_cdpv1);
 541         tcase_add_test(tc_send, test_send_cdpv2);
 542         suite_add_tcase(s, tc_send);
 543
 544         TCase *tc_receive = tcase_create("Receive CDP packets");
 545         tcase_add_test(tc_receive, test_recv_cdpv1);
 546         tcase_add_test(tc_receive, test_recv_cdpv2);
 547         suite_add_tcase(s, tc_receive);
 548 #endif
 549
 550         return s;
 551 }
 552
 553 int
 554 main()
 555 {
 556         int number_failed;
 557         Suite *s = cdp_suite ();
 558         SRunner *sr = srunner_create (s);
 559         srunner_set_fork_status (sr, CK_NOFORK); /* Can't fork because
 560                                                     we need to write
 561                                                     files */
 562         srunner_run_all (sr, CK_ENV);
 563         number_failed = srunner_ntests_failed (sr);
 564         srunner_free (sr);
 565         return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
 566 }