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         in_addr_t addr;
  94         struct lldpd_mgmt *mgmt;
  95
  96         /* Populate port and chassis */
  97         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME;
  98         hardware.h_lport.p_id = "Not used";
  99         hardware.h_lport.p_id_len = strlen(hardware.h_lport.p_id);
 100         hardware.h_lport.p_descr = "FastEthernet 1/5";
 101         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 102         chassis.c_id = macaddress;
 103         chassis.c_id_len = ETH_ALEN;
 104         chassis.c_name = "First chassis";
 105         chassis.c_descr = "Chassis description";
 106         chassis.c_cap_available = chassis.c_cap_enabled = LLDP_CAP_ROUTER;
 107         TAILQ_INIT(&chassis.c_mgmt);
 108         addr = inet_addr("172.17.142.37");
 109         mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 110                                         &addr, sizeof(in_addr_t), 0);
 111         if (mgmt == NULL)
 112                 ck_abort();
 113         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt, m_entries);
 114
 115         /* Build packet */
 116         n = cdpv1_send(NULL, &hardware);
 117         if (n != 0) {
 118                 fail("unable to build packet");
 119                 return;
 120         }
 121         if (TAILQ_EMPTY(&pkts)) {
 122                 fail("no packets sent");
 123                 return;
 124         }
 125         pkt = TAILQ_FIRST(&pkts);
 126         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 127         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 128         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 129 }
 130 END_TEST
 131
 132 START_TEST (test_send_cdpv2)
 133 {
 134         int n;
 135         /* Packet we should build:
 136 IEEE 802.3 Ethernet
 137     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 138     Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
 139  the factory default)
 140     Length: 111
 141 Logical-Link Control
 142     DSAP: SNAP (0xaa)
 143     IG Bit: Individual
 144     SSAP: SNAP (0xaa)
 145     CR Bit: Command
 146     Control field: U, func=UI (0x03)
 147         000. 00.. = Command: Unnumbered Information (0x00)
 148         .... ..11 = Frame type: Unnumbered frame (0x03)
 149     Organization Code: Cisco (0x00000c)
 150     PID: CDP (0x2000)
 151 Cisco Discovery Protocol
 152     Version: 2
 153     TTL: 180 seconds
 154     Checksum: 0x5926 [correct]
 155         [Good: True]
 156         [Bad : False]
 157     Device ID: Second chassis
 158         Type: Device ID (0x0001)
 159         Length: 18
 160         Device ID: Second chassis
 161     Addresses
 162         Type: Addresses (0x0002)
 163         Length: 26
 164         Number of addresses: 2
 165         IP address: 172.17.142.36
 166             Protocol type: NLPID
 167             Protocol length: 1
 168             Protocol: IP
 169             Address length: 4
 170             IP address: 172.17.142.36
 171         IP address: 172.17.142.38
 172             Protocol type: NLPID
 173             Protocol length: 1
 174             Protocol: IP
 175             Address length: 4
 176             IP address: 172.17.142.38
 177     Port ID: Gigabit Ethernet 5/8
 178         Type: Port ID (0x0003)
 179         Length: 24
 180         Sent through Interface: Gigabit Ethernet 5/8
 181     Capabilities
 182         Type: Capabilities (0x0004)
 183         Length: 8
 184         Capabilities: 0x00000019
 185             .... .... .... .... .... .... .... ...1 = Is  a Router
 186             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 187             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 188             .... .... .... .... .... .... .... 1... = Is  a Switch
 189             .... .... .... .... .... .... ...1 .... = Is  a Host
 190             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 191             .... .... .... .... .... .... .0.. .... = Not a Repeater
 192     Software Version
 193         Type: Software version (0x0005)
 194         Length: 23
 195         Software Version: Chassis description
 196     Platform: Linux
 197         Type: Platform (0x0006)
 198         Length: 9
 199         Platform: Linux
 200         */
 201         char pkt1[] = {
 202           0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10,
 203           0x8e, 0xe7, 0x84, 0xad, 0x00, 0x78, 0xaa, 0xaa,
 204           0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 205           0xc8, 0x67, 0x00, 0x01, 0x00, 0x12, 0x53, 0x65,
 206           0x63, 0x6f, 0x6e, 0x64, 0x20, 0x63, 0x68, 0x61,
 207           0x73, 0x73, 0x69, 0x73, 0x00, 0x02, 0x00, 0x1a,
 208           0x00, 0x00, 0x00, 0x02, 0x01, 0x01, 0xcc, 0x00,
 209           0x04, 0xac, 0x11, 0x8e, 0x24, 0x01, 0x01, 0xcc,
 210           0x00, 0x04, 0xac, 0x11, 0x8e, 0x26, 0x00, 0x03,
 211           0x00, 0x18, 0x47, 0x69, 0x67, 0x61, 0x62, 0x69,
 212           0x74, 0x20, 0x45, 0x74, 0x68, 0x65, 0x72, 0x6e,
 213           0x65, 0x74, 0x20, 0x35, 0x2f, 0x38, 0x00, 0x04,
 214           0x00, 0x08, 0x00, 0x00, 0x00, 0x19, 0x00, 0x05,
 215           0x00, 0x17, 0x43, 0x68, 0x61, 0x73, 0x73, 0x69,
 216           0x73, 0x20, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69,
 217           0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00,
 218           0x09, 0x4c, 0x69, 0x6e, 0x75, 0x78 };
 219         struct packet *pkt;
 220         in_addr_t addr1;
 221         in_addr_t addr2;
 222         struct lldpd_mgmt *mgmt1;
 223         struct lldpd_mgmt *mgmt2;
 224
 225         /* Populate port and chassis */
 226         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_LLADDR;
 227         hardware.h_lport.p_id = macaddress;
 228         hardware.h_lport.p_id_len = ETH_ALEN;
 229         hardware.h_lport.p_descr = "Gigabit Ethernet 5/8";
 230         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 231         chassis.c_id = macaddress;
 232         chassis.c_id_len = ETH_ALEN;
 233         chassis.c_name = "Second chassis";
 234         chassis.c_descr = "Chassis description";
 235         chassis.c_cap_available = chassis.c_cap_enabled =
 236           LLDP_CAP_ROUTER | LLDP_CAP_BRIDGE;
 237         TAILQ_INIT(&chassis.c_mgmt);
 238         addr1 = inet_addr("172.17.142.36");
 239         addr2 = inet_addr("172.17.142.38");
 240         mgmt1 = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 241                                  &addr1, sizeof(in_addr_t), 0);
 242         mgmt2 = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 243                                  &addr2, sizeof(in_addr_t), 0);
 244         if (mgmt1 == NULL || mgmt2 == NULL)
 245                 ck_abort();
 246         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt1, m_entries);
 247         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt2, m_entries);
 248
 249         /* Build packet */
 250         n = cdpv2_send(NULL, &hardware);
 251         if (n != 0) {
 252                 fail("unable to build packet");
 253                 return;
 254         }
 255         if (TAILQ_EMPTY(&pkts)) {
 256                 fail("no packets sent");
 257                 return;
 258         }
 259         pkt = TAILQ_FIRST(&pkts);
 260         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 261         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 262         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 263 }
 264 END_TEST
 265
 266 START_TEST (test_recv_cdpv1)
 267 {
 268         char pkt1[] = {
 269                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x00, 0xe0,
 270                 0x1e, 0xd5, 0xd5, 0x15, 0x01, 0x1e, 0xaa, 0xaa,
 271                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x01, 0xb4,
 272                 0xdf, 0xf0, 0x00, 0x01, 0x00, 0x06, 0x52, 0x31,
 273                 0x00, 0x02, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01,
 274                 0x01, 0x01, 0xcc, 0x00, 0x04, 0xc0, 0xa8, 0x0a,
 275                 0x01, 0x00, 0x03, 0x00, 0x0d, 0x45, 0x74, 0x68,
 276                 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x00, 0x04,
 277                 0x00, 0x08, 0x00, 0x00, 0x00, 0x11, 0x00, 0x05,
 278                 0x00, 0xd8, 0x43, 0x69, 0x73, 0x63, 0x6f, 0x20,
 279                 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
 280                 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, 0x70, 0x65,
 281                 0x72, 0x61, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x53,
 282                 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x53, 0x6f,
 283                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x0a,
 284                 0x49, 0x4f, 0x53, 0x20, 0x28, 0x74, 0x6d, 0x29,
 285                 0x20, 0x31, 0x36, 0x30, 0x30, 0x20, 0x53, 0x6f,
 286                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x28,
 287                 0x43, 0x31, 0x36, 0x30, 0x30, 0x2d, 0x4e, 0x59,
 288                 0x2d, 0x4c, 0x29, 0x2c, 0x20, 0x56, 0x65, 0x72,
 289                 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x31, 0x2e,
 290                 0x32, 0x28, 0x31, 0x32, 0x29, 0x50, 0x2c, 0x20,
 291                 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20,
 292                 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52, 0x45,
 293                 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a, 0x43,
 294                 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74,
 295                 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x38,
 296                 0x36, 0x2d, 0x31, 0x39, 0x39, 0x38, 0x20, 0x62,
 297                 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 298                 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x2c,
 299                 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43, 0x6f,
 300                 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54,
 301                 0x75, 0x65, 0x20, 0x30, 0x33, 0x2d, 0x4d, 0x61,
 302                 0x72, 0x2d, 0x39, 0x38, 0x20, 0x30, 0x36, 0x3a,
 303                 0x33, 0x33, 0x20, 0x62, 0x79, 0x20, 0x64, 0x73,
 304                 0x63, 0x68, 0x77, 0x61, 0x72, 0x74, 0x00, 0x06,
 305                 0x00, 0x0e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 306                 0x31, 0x36, 0x30, 0x31 };
 307         /* This is:
 308 IEEE 802.3 Ethernet
 309     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 310     Source: Cisco_d5:d5:15 (00:e0:1e:d5:d5:15)
 311     Length: 286
 312 Logical-Link Control
 313     DSAP: SNAP (0xaa)
 314     IG Bit: Individual
 315     SSAP: SNAP (0xaa)
 316     CR Bit: Command
 317     Control field: U, func=UI (0x03)
 318         000. 00.. = Command: Unnumbered Information (0x00)
 319         .... ..11 = Frame type: Unnumbered frame (0x03)
 320     Organization Code: Cisco (0x00000c)
 321     PID: CDP (0x2000)
 322 Cisco Discovery Protocol
 323     Version: 1
 324     TTL: 180 seconds
 325     Checksum: 0xdff0 [correct]
 326         [Good: True]
 327         [Bad : False]
 328     Device ID: R1
 329         Type: Device ID (0x0001)
 330         Length: 6
 331         Device ID: R1
 332     Addresses
 333         Type: Addresses (0x0002)
 334         Length: 17
 335         Number of addresses: 1
 336         IP address: 192.168.10.1
 337             Protocol type: NLPID
 338             Protocol length: 1
 339             Protocol: IP
 340             Address length: 4
 341             IP address: 192.168.10.1
 342     Port ID: Ethernet0
 343         Type: Port ID (0x0003)
 344         Length: 13
 345         Sent through Interface: Ethernet0
 346     Capabilities
 347         Type: Capabilities (0x0004)
 348         Length: 8
 349         Capabilities: 0x00000011
 350             .... .... .... .... .... .... .... ...1 = Is  a Router
 351             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 352             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 353             .... .... .... .... .... .... .... 0... = Not a Switch
 354             .... .... .... .... .... .... ...1 .... = Is  a Host
 355             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 356             .... .... .... .... .... .... .0.. .... = Not a Repeater
 357     Software Version
 358         Type: Software version (0x0005)
 359         Length: 216
 360         Software Version: Cisco Internetwork Operating System Software
 361                           IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)
 362                           Copyright (c) 1986-1998 by cisco Systems, Inc.
 363                           Compiled Tue 03-Mar-98 06:33 by dschwart
 364     Platform: cisco 1601
 365         Type: Platform (0x0006)
 366         Length: 14
 367         Platform: cisco 1601
 368         */
 369         struct lldpd_chassis *nchassis = NULL;
 370         struct lldpd_port *nport = NULL;
 371
 372         fail_unless(cdpv1_guess(pkt1, sizeof(pkt1)));
 373         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 374                 &nchassis, &nport) != -1);
 375         if (!nchassis || !nport) {
 376                 fail("unable to decode packet");
 377                 return;
 378         }
 379         ck_assert_int_eq(nchassis->c_id_subtype,
 380             LLDP_CHASSISID_SUBTYPE_LOCAL);
 381         ck_assert_int_eq(nchassis->c_id_len, 2);
 382         fail_unless(memcmp(nchassis->c_id, "R1", 2) == 0);
 383         ck_assert_str_eq(nchassis->c_name, "R1");
 384         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
 385             (u_int32_t)inet_addr("192.168.10.1"));
 386         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
 387         ck_assert_int_eq(nport->p_id_subtype,
 388             LLDP_PORTID_SUBTYPE_IFNAME);
 389         ck_assert_int_eq(nport->p_id_len, strlen("Ethernet0"));
 390         fail_unless(memcmp(nport->p_id,
 391                 "Ethernet0", strlen("Ethernet0")) == 0);
 392         ck_assert_str_eq(nport->p_descr, "Ethernet0");
 393         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_ROUTER);
 394         ck_assert_str_eq(nchassis->c_descr,
 395             "cisco 1601 running on\n"
 396             "Cisco Internetwork Operating System Software \n"
 397             "IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)\n"
 398             "Copyright (c) 1986-1998 by cisco Systems, Inc.\n"
 399             "Compiled Tue 03-Mar-98 06:33 by dschwart");
 400 }
 401 END_TEST
 402
 403 START_TEST (test_recv_cdpv2)
 404 {
 405         char pkt1[] = {
 406                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0xca, 0x00,
 407                 0x68, 0x46, 0x00, 0x00, 0x01, 0x30, 0xaa, 0xaa,
 408                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 409                 0x54, 0x27, 0x00, 0x01, 0x00, 0x0f, 0x72, 0x74,
 410                 0x62, 0x67, 0x36, 0x74, 0x65, 0x73, 0x74, 0x30,
 411                 0x31, 0x00, 0x05, 0x00, 0xd3, 0x43, 0x69, 0x73,
 412                 0x63, 0x6f, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72,
 413                 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20,
 414                 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6e,
 415                 0x67, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
 416                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 417                 0x65, 0x20, 0x0a, 0x49, 0x4f, 0x53, 0x20, 0x28,
 418                 0x74, 0x6d, 0x29, 0x20, 0x37, 0x32, 0x30, 0x30,
 419                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 420                 0x65, 0x20, 0x28, 0x43, 0x37, 0x32, 0x30, 0x30,
 421                 0x2d, 0x50, 0x2d, 0x4d, 0x29, 0x2c, 0x20, 0x56,
 422                 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31,
 423                 0x32, 0x2e, 0x32, 0x28, 0x34, 0x36, 0x29, 0x2c,
 424                 0x20, 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45,
 425                 0x20, 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52,
 426                 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a,
 427                 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68,
 428                 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39,
 429                 0x38, 0x36, 0x2d, 0x32, 0x30, 0x30, 0x37, 0x20,
 430                 0x62, 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f,
 431                 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73,
 432                 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43,
 433                 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20,
 434                 0x54, 0x68, 0x75, 0x20, 0x32, 0x36, 0x2d, 0x41,
 435                 0x70, 0x72, 0x2d, 0x30, 0x37, 0x20, 0x32, 0x31,
 436                 0x3a, 0x35, 0x36, 0x20, 0x62, 0x79, 0x20, 0x70,
 437                 0x77, 0x61, 0x64, 0x65, 0x00, 0x06, 0x00, 0x11,
 438                 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x37, 0x32,
 439                 0x30, 0x36, 0x56, 0x58, 0x52, 0x00, 0x02, 0x00,
 440                 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc,
 441                 0x00, 0x04, 0xac, 0x42, 0x37, 0x03, 0x00, 0x03,
 442                 0x00, 0x13, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74,
 443                 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x2f,
 444                 0x30, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00,
 445                 0x00, 0x00, 0x0b, 0x00, 0x05, 0x00 };
 446         /* This is:
 447 IEEE 802.3 Ethernet
 448     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 449     Source: ca:00:68:46:00:00 (ca:00:68:46:00:00)
 450     Length: 304
 451 Logical-Link Control
 452     DSAP: SNAP (0xaa)
 453     IG Bit: Individual
 454     SSAP: SNAP (0xaa)
 455     CR Bit: Command
 456     Control field: U, func=UI (0x03)
 457         000. 00.. = Command: Unnumbered Information (0x00)
 458         .... ..11 = Frame type: Unnumbered frame (0x03)
 459     Organization Code: Cisco (0x00000c)
 460     PID: CDP (0x2000)
 461 Cisco Discovery Protocol
 462     Version: 2
 463     TTL: 180 seconds
 464     Checksum: 0x5427 [correct]
 465         [Good: True]
 466         [Bad : False]
 467     Device ID: rtbg6test01
 468         Type: Device ID (0x0001)
 469         Length: 15
 470         Device ID: rtbg6test01
 471     Software Version
 472         Type: Software version (0x0005)
 473         Length: 211
 474         Software Version: Cisco Internetwork Operating System Software
 475                           IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)
 476                           Copyright (c) 1986-2007 by cisco Systems, Inc.
 477                           Compiled Thu 26-Apr-07 21:56 by pwade
 478     Platform: cisco 7206VXR
 479         Type: Platform (0x0006)
 480         Length: 17
 481         Platform: cisco 7206VXR
 482     Addresses
 483         Type: Addresses (0x0002)
 484         Length: 17
 485         Number of addresses: 1
 486         IP address: 172.66.55.3
 487             Protocol type: NLPID
 488             Protocol length: 1
 489             Protocol: IP
 490             Address length: 4
 491             IP address: 172.66.55.3
 492     Port ID: FastEthernet0/0
 493         Type: Port ID (0x0003)
 494         Length: 19
 495         Sent through Interface: FastEthernet0/0
 496     Capabilities
 497         Type: Capabilities (0x0004)
 498         Length: 8
 499         Capabilities: 0x00000000
 500             .... .... .... .... .... .... .... ...0 = Not a Router
 501             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 502             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 503             .... .... .... .... .... .... .... 0... = Not a Switch
 504             .... .... .... .... .... .... ...0 .... = Not a Host
 505             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 506             .... .... .... .... .... .... .0.. .... = Not a Repeater
 507     Duplex: Half
 508         Type: Duplex (0x000b)
 509         Length: 5
 510         Duplex: Half
 511         */
 512         struct lldpd_chassis *nchassis = NULL;
 513         struct lldpd_port *nport = NULL;
 514
 515         fail_unless(cdpv2_guess(pkt1, sizeof(pkt1)));
 516         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 517                 &nchassis, &nport) != -1);
 518         if (!nchassis || !nport) {
 519                 fail("unable to decode packet");
 520                 return;
 521         }
 522         ck_assert_int_eq(nchassis->c_id_subtype,
 523             LLDP_CHASSISID_SUBTYPE_LOCAL);
 524         ck_assert_int_eq(nchassis->c_id_len, strlen("rtbg6test01"));
 525         fail_unless(memcmp(nchassis->c_id,
 526                 "rtbg6test01", strlen("rtbg6test01")) == 0);
 527         ck_assert_str_eq(nchassis->c_name, "rtbg6test01");
 528         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
 529             (u_int32_t)inet_addr("172.66.55.3"));
 530         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
 531         ck_assert_int_eq(nport->p_id_subtype,
 532             LLDP_PORTID_SUBTYPE_IFNAME);
 533         ck_assert_int_eq(nport->p_id_len, strlen("FastEthernet0/0"));
 534         fail_unless(memcmp(nport->p_id,
 535                 "FastEthernet0/0", strlen("FastEthernet0/0")) == 0);
 536         ck_assert_str_eq(nport->p_descr, "FastEthernet0/0");
 537         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_STATION);
 538         ck_assert_str_eq(nchassis->c_descr,
 539             "cisco 7206VXR running on\n"
 540             "Cisco Internetwork Operating System Software \n"
 541             "IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)\n"
 542             "Copyright (c) 1986-2007 by cisco Systems, Inc.\n"
 543             "Compiled Thu 26-Apr-07 21:56 by pwade");
 544 }
 545 END_TEST
 546
 547 #endif
 548
 549 Suite *
 550 cdp_suite(void)
 551 {
 552         Suite *s = suite_create("CDP");
 553
 554 #ifdef ENABLE_CDP
 555         TCase *tc_send = tcase_create("Send CDP packets");
 556         TCase *tc_receive = tcase_create("Receive CDP packets");
 557
 558         tcase_add_checked_fixture(tc_send, pcap_setup, pcap_teardown);
 559         tcase_add_test(tc_send, test_send_cdpv1);
 560         tcase_add_test(tc_send, test_send_cdpv2);
 561         suite_add_tcase(s, tc_send);
 562
 563         tcase_add_test(tc_receive, test_recv_cdpv1);
 564         tcase_add_test(tc_receive, test_recv_cdpv2);
 565         suite_add_tcase(s, tc_receive);
 566 #endif
 567
 568         return s;
 569 }
 570
 571 int
 572 main()
 573 {
 574         int number_failed;
 575         Suite *s = cdp_suite ();
 576         SRunner *sr = srunner_create (s);
 577         srunner_set_fork_status (sr, CK_NOFORK); /* Can't fork because
 578                                                     we need to write
 579                                                     files */
 580         srunner_run_all (sr, CK_ENV);
 581         number_failed = srunner_ntests_failed (sr);
 582         srunner_free (sr);
 583         return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
 584 }