tests/check_cdp.c

   1 /* -*- mode: c; c-file-style: "openbsd" -*- */
   2 /*
   3  * Copyright (c) 2015 Vincent Bernat <bernat@luffy.cx>
   4  *
   5  * Permission to use, copy, modify, and/or distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #include <stdlib.h>
  19 #include <sys/socket.h>
  20 #include <arpa/inet.h>
  21 #include <netinet/in.h>
  22 #include <check.h>
  23 #include "common.h"
  24
  25 char filenameprefix[] = "cdp_send";
  26
  27 #ifdef ENABLE_CDP
  28
  29 START_TEST (test_send_cdpv1)
  30 {
  31         int n;
  32         /* Packet we should build:
  33 IEEE 802.3 Ethernet
  34     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
  35     Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
  36     Length: 106
  37 Logical-Link Control
  38     DSAP: SNAP (0xaa)
  39     IG Bit: Individual
  40     SSAP: SNAP (0xaa)
  41     CR Bit: Command
  42     Control field: U, func=UI (0x03)
  43         000. 00.. = Command: Unnumbered Information (0x00)
  44         .... ..11 = Frame type: Unnumbered frame (0x03)
  45     Organization Code: Cisco (0x00000c)
  46     PID: CDP (0x2000)
  47 Cisco Discovery Protocol
  48     Version: 1
  49     TTL: 180 seconds
  50     Checksum: 0x3af7 [correct]
  51         [Good: True]
  52         [Bad : False]
  53     Device ID: First chassis
  54         Type: Device ID (0x0001)
  55         Length: 17
  56         Device ID: First chassis
  57     Addresses
  58         Type: Addresses (0x0002)
  59         Length: 17
  60         Number of addresses: 1
  61         IP address: 172.17.142.37
  62             Protocol type: NLPID
  63             Protocol length: 1
  64             Protocol: IP
  65             Address length: 4
  66             IP address: 172.17.142.37
  67     Port ID: FastEthernet 1/5
  68         Type: Port ID (0x0003)
  69         Length: 20
  70         Sent through Interface: FastEthernet 1/5
  71     Capabilities
  72         Type: Capabilities (0x0004)
  73         Length: 8
  74         Capabilities: 0x00000011
  75             .... .... .... .... .... .... .... ...1 = Is  a Router
  76             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
  77             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
  78             .... .... .... .... .... .... .... 0... = Not a Switch
  79             .... .... .... .... .... .... ...1 .... = Is  a Host
  80             .... .... .... .... .... .... ..0. .... = Not IGMP capable
  81             .... .... .... .... .... .... .0.. .... = Not a Repeater
  82     Software Version
  83         Type: Software version (0x0005)
  84         Length: 23
  85         Software Version: Chassis description
  86     Platform: Linux
  87         Type: Platform (0x0006)
  88         Length: 9
  89         Platform: Linux
  90         */
  91         char pkt1[] = {
  92           0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10,
  93           0x8e, 0xe7, 0x84, 0xad, 0x00, 0x6a, 0xaa, 0xaa,
  94           0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x01, 0xb4,
  95           0x3a, 0xf7, 0x00, 0x01, 0x00, 0x11, 0x46, 0x69,
  96           0x72, 0x73, 0x74, 0x20, 0x63, 0x68, 0x61, 0x73,
  97           0x73, 0x69, 0x73, 0x00, 0x02, 0x00, 0x11, 0x00,
  98           0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04,
  99           0xac, 0x11, 0x8e, 0x25, 0x00, 0x03, 0x00, 0x14,
 100           0x46, 0x61, 0x73, 0x74, 0x45, 0x74, 0x68, 0x65,
 101           0x72, 0x6e, 0x65, 0x74, 0x20, 0x31, 0x2f, 0x35,
 102           0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00, 0x11,
 103           0x00, 0x05, 0x00, 0x17, 0x43, 0x68, 0x61, 0x73,
 104           0x73, 0x69, 0x73, 0x20, 0x64, 0x65, 0x73, 0x63,
 105           0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00,
 106           0x06, 0x00, 0x09, 0x4c, 0x69, 0x6e, 0x75, 0x78 };
 107         struct packet *pkt;
 108         in_addr_t addr;
 109         struct lldpd_mgmt *mgmt;
 110         struct lldpd cfg = {
 111                 .g_config = {
 112                         .c_platform = "Linux"
 113                 }
 114         };
 115
 116         /* Populate port and chassis */
 117         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME;
 118         hardware.h_lport.p_id = "Not used";
 119         hardware.h_lport.p_id_len = strlen(hardware.h_lport.p_id);
 120         hardware.h_lport.p_descr = "FastEthernet 1/5";
 121         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 122         chassis.c_id = macaddress;
 123         chassis.c_id_len = ETHER_ADDR_LEN;
 124         chassis.c_name = "First chassis";
 125         chassis.c_descr = "Chassis description";
 126         chassis.c_cap_available = chassis.c_cap_enabled = LLDP_CAP_ROUTER;
 127         TAILQ_INIT(&chassis.c_mgmt);
 128         addr = inet_addr("172.17.142.37");
 129         mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 130                                         &addr, sizeof(in_addr_t), 0);
 131         if (mgmt == NULL)
 132                 ck_abort();
 133         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt, m_entries);
 134
 135         /* Build packet */
 136         n = cdpv1_send(&cfg, &hardware);
 137         if (n != 0) {
 138                 fail("unable to build packet");
 139                 return;
 140         }
 141         if (TAILQ_EMPTY(&pkts)) {
 142                 fail("no packets sent");
 143                 return;
 144         }
 145         pkt = TAILQ_FIRST(&pkts);
 146         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 147         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 148         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 149 }
 150 END_TEST
 151
 152 START_TEST (test_send_cdpv2)
 153 {
 154         int n;
 155         /* Packet we should build:
 156 IEEE 802.3 Ethernet
 157     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 158     Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
 159  the factory default)
 160     Length: 111
 161 Logical-Link Control
 162     DSAP: SNAP (0xaa)
 163     IG Bit: Individual
 164     SSAP: SNAP (0xaa)
 165     CR Bit: Command
 166     Control field: U, func=UI (0x03)
 167         000. 00.. = Command: Unnumbered Information (0x00)
 168         .... ..11 = Frame type: Unnumbered frame (0x03)
 169     Organization Code: Cisco (0x00000c)
 170     PID: CDP (0x2000)
 171 Cisco Discovery Protocol
 172     Version: 2
 173     TTL: 180 seconds
 174     Checksum: 0x5926 [correct]
 175         [Good: True]
 176         [Bad : False]
 177     Device ID: Second chassis
 178         Type: Device ID (0x0001)
 179         Length: 18
 180         Device ID: Second chassis
 181     Addresses
 182         Type: Addresses (0x0002)
 183         Length: 26
 184         Number of addresses: 2
 185         IP address: 172.17.142.36
 186             Protocol type: NLPID
 187             Protocol length: 1
 188             Protocol: IP
 189             Address length: 4
 190             IP address: 172.17.142.36
 191         IP address: 172.17.142.38
 192             Protocol type: NLPID
 193             Protocol length: 1
 194             Protocol: IP
 195             Address length: 4
 196             IP address: 172.17.142.38
 197     Port ID: Gigabit Ethernet 5/8
 198         Type: Port ID (0x0003)
 199         Length: 24
 200         Sent through Interface: Gigabit Ethernet 5/8
 201     Capabilities
 202         Type: Capabilities (0x0004)
 203         Length: 8
 204         Capabilities: 0x00000019
 205             .... .... .... .... .... .... .... ...1 = Is  a Router
 206             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 207             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 208             .... .... .... .... .... .... .... 1... = Is  a Switch
 209             .... .... .... .... .... .... ...1 .... = Is  a Host
 210             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 211             .... .... .... .... .... .... .0.. .... = Not a Repeater
 212     Software Version
 213         Type: Software version (0x0005)
 214         Length: 23
 215         Software Version: Chassis description
 216     Platform: Linux
 217         Type: Platform (0x0006)
 218         Length: 9
 219         Platform: Linux
 220         */
 221         char pkt1[] = {
 222           0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10,
 223           0x8e, 0xe7, 0x84, 0xad, 0x00, 0x78, 0xaa, 0xaa,
 224           0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 225           0xc8, 0x67, 0x00, 0x01, 0x00, 0x12, 0x53, 0x65,
 226           0x63, 0x6f, 0x6e, 0x64, 0x20, 0x63, 0x68, 0x61,
 227           0x73, 0x73, 0x69, 0x73, 0x00, 0x02, 0x00, 0x1a,
 228           0x00, 0x00, 0x00, 0x02, 0x01, 0x01, 0xcc, 0x00,
 229           0x04, 0xac, 0x11, 0x8e, 0x24, 0x01, 0x01, 0xcc,
 230           0x00, 0x04, 0xac, 0x11, 0x8e, 0x26, 0x00, 0x03,
 231           0x00, 0x18, 0x47, 0x69, 0x67, 0x61, 0x62, 0x69,
 232           0x74, 0x20, 0x45, 0x74, 0x68, 0x65, 0x72, 0x6e,
 233           0x65, 0x74, 0x20, 0x35, 0x2f, 0x38, 0x00, 0x04,
 234           0x00, 0x08, 0x00, 0x00, 0x00, 0x19, 0x00, 0x05,
 235           0x00, 0x17, 0x43, 0x68, 0x61, 0x73, 0x73, 0x69,
 236           0x73, 0x20, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69,
 237           0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00,
 238           0x09, 0x4c, 0x69, 0x6e, 0x75, 0x78 };
 239         struct packet *pkt;
 240         in_addr_t addr1;
 241         in_addr_t addr2;
 242         struct lldpd_mgmt *mgmt1;
 243         struct lldpd_mgmt *mgmt2;
 244         struct lldpd cfg = {
 245                 .g_config = {
 246                         .c_platform = "Linux"
 247                 }
 248         };
 249
 250         /* Populate port and chassis */
 251         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_LLADDR;
 252         hardware.h_lport.p_id = macaddress;
 253         hardware.h_lport.p_id_len = ETHER_ADDR_LEN;
 254         hardware.h_lport.p_descr = "Gigabit Ethernet 5/8";
 255         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 256         chassis.c_id = macaddress;
 257         chassis.c_id_len = ETHER_ADDR_LEN;
 258         chassis.c_name = "Second chassis";
 259         chassis.c_descr = "Chassis description";
 260         chassis.c_cap_available = chassis.c_cap_enabled =
 261           LLDP_CAP_ROUTER | LLDP_CAP_BRIDGE;
 262         TAILQ_INIT(&chassis.c_mgmt);
 263         addr1 = inet_addr("172.17.142.36");
 264         addr2 = inet_addr("172.17.142.38");
 265         mgmt1 = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 266                                  &addr1, sizeof(in_addr_t), 0);
 267         mgmt2 = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 268                                  &addr2, sizeof(in_addr_t), 0);
 269         if (mgmt1 == NULL || mgmt2 == NULL)
 270                 ck_abort();
 271         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt1, m_entries);
 272         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt2, m_entries);
 273
 274         /* Build packet */
 275         n = cdpv2_send(&cfg, &hardware);
 276         if (n != 0) {
 277                 fail("unable to build packet");
 278                 return;
 279         }
 280         if (TAILQ_EMPTY(&pkts)) {
 281                 fail("no packets sent");
 282                 return;
 283         }
 284         pkt = TAILQ_FIRST(&pkts);
 285         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 286         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 287         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 288 }
 289 END_TEST
 290
 291 START_TEST (test_recv_cdpv1)
 292 {
 293         char pkt1[] = {
 294                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x00, 0xe0,
 295                 0x1e, 0xd5, 0xd5, 0x15, 0x01, 0x1e, 0xaa, 0xaa,
 296                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x01, 0xb4,
 297                 0xdf, 0xf0, 0x00, 0x01, 0x00, 0x06, 0x52, 0x31,
 298                 0x00, 0x02, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01,
 299                 0x01, 0x01, 0xcc, 0x00, 0x04, 0xc0, 0xa8, 0x0a,
 300                 0x01, 0x00, 0x03, 0x00, 0x0d, 0x45, 0x74, 0x68,
 301                 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x00, 0x04,
 302                 0x00, 0x08, 0x00, 0x00, 0x00, 0x11, 0x00, 0x05,
 303                 0x00, 0xd8, 0x43, 0x69, 0x73, 0x63, 0x6f, 0x20,
 304                 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
 305                 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, 0x70, 0x65,
 306                 0x72, 0x61, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x53,
 307                 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x53, 0x6f,
 308                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x0a,
 309                 0x49, 0x4f, 0x53, 0x20, 0x28, 0x74, 0x6d, 0x29,
 310                 0x20, 0x31, 0x36, 0x30, 0x30, 0x20, 0x53, 0x6f,
 311                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x28,
 312                 0x43, 0x31, 0x36, 0x30, 0x30, 0x2d, 0x4e, 0x59,
 313                 0x2d, 0x4c, 0x29, 0x2c, 0x20, 0x56, 0x65, 0x72,
 314                 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x31, 0x2e,
 315                 0x32, 0x28, 0x31, 0x32, 0x29, 0x50, 0x2c, 0x20,
 316                 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20,
 317                 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52, 0x45,
 318                 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a, 0x43,
 319                 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74,
 320                 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x38,
 321                 0x36, 0x2d, 0x31, 0x39, 0x39, 0x38, 0x20, 0x62,
 322                 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 323                 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x2c,
 324                 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43, 0x6f,
 325                 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54,
 326                 0x75, 0x65, 0x20, 0x30, 0x33, 0x2d, 0x4d, 0x61,
 327                 0x72, 0x2d, 0x39, 0x38, 0x20, 0x30, 0x36, 0x3a,
 328                 0x33, 0x33, 0x20, 0x62, 0x79, 0x20, 0x64, 0x73,
 329                 0x63, 0x68, 0x77, 0x61, 0x72, 0x74, 0x00, 0x06,
 330                 0x00, 0x0e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 331                 0x31, 0x36, 0x30, 0x31 };
 332         /* This is:
 333 IEEE 802.3 Ethernet
 334     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 335     Source: Cisco_d5:d5:15 (00:e0:1e:d5:d5:15)
 336     Length: 286
 337 Logical-Link Control
 338     DSAP: SNAP (0xaa)
 339     IG Bit: Individual
 340     SSAP: SNAP (0xaa)
 341     CR Bit: Command
 342     Control field: U, func=UI (0x03)
 343         000. 00.. = Command: Unnumbered Information (0x00)
 344         .... ..11 = Frame type: Unnumbered frame (0x03)
 345     Organization Code: Cisco (0x00000c)
 346     PID: CDP (0x2000)
 347 Cisco Discovery Protocol
 348     Version: 1
 349     TTL: 180 seconds
 350     Checksum: 0xdff0 [correct]
 351         [Good: True]
 352         [Bad : False]
 353     Device ID: R1
 354         Type: Device ID (0x0001)
 355         Length: 6
 356         Device ID: R1
 357     Addresses
 358         Type: Addresses (0x0002)
 359         Length: 17
 360         Number of addresses: 1
 361         IP address: 192.168.10.1
 362             Protocol type: NLPID
 363             Protocol length: 1
 364             Protocol: IP
 365             Address length: 4
 366             IP address: 192.168.10.1
 367     Port ID: Ethernet0
 368         Type: Port ID (0x0003)
 369         Length: 13
 370         Sent through Interface: Ethernet0
 371     Capabilities
 372         Type: Capabilities (0x0004)
 373         Length: 8
 374         Capabilities: 0x00000011
 375             .... .... .... .... .... .... .... ...1 = Is  a Router
 376             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 377             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 378             .... .... .... .... .... .... .... 0... = Not a Switch
 379             .... .... .... .... .... .... ...1 .... = Is  a Host
 380             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 381             .... .... .... .... .... .... .0.. .... = Not a Repeater
 382     Software Version
 383         Type: Software version (0x0005)
 384         Length: 216
 385         Software Version: Cisco Internetwork Operating System Software
 386                           IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)
 387                           Copyright (c) 1986-1998 by cisco Systems, Inc.
 388                           Compiled Tue 03-Mar-98 06:33 by dschwart
 389     Platform: cisco 1601
 390         Type: Platform (0x0006)
 391         Length: 14
 392         Platform: cisco 1601
 393         */
 394         struct lldpd_chassis *nchassis = NULL;
 395         struct lldpd_port *nport = NULL;
 396
 397         fail_unless(cdpv1_guess(pkt1, sizeof(pkt1)));
 398         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 399                 &nchassis, &nport) != -1);
 400         if (!nchassis || !nport) {
 401                 fail("unable to decode packet");
 402                 return;
 403         }
 404         ck_assert_int_eq(nchassis->c_id_subtype,
 405             LLDP_CHASSISID_SUBTYPE_LOCAL);
 406         ck_assert_int_eq(nchassis->c_id_len, 2);
 407         fail_unless(memcmp(nchassis->c_id, "R1", 2) == 0);
 408         ck_assert_str_eq(nchassis->c_name, "R1");
 409         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
 410             (u_int32_t)inet_addr("192.168.10.1"));
 411         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
 412         ck_assert_int_eq(nport->p_id_subtype,
 413             LLDP_PORTID_SUBTYPE_IFNAME);
 414         ck_assert_int_eq(nport->p_id_len, strlen("Ethernet0"));
 415         fail_unless(memcmp(nport->p_id,
 416                 "Ethernet0", strlen("Ethernet0")) == 0);
 417         ck_assert_str_eq(nport->p_descr, "Ethernet0");
 418         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_ROUTER);
 419         ck_assert_str_eq(nchassis->c_descr,
 420             "cisco 1601 running on\n"
 421             "Cisco Internetwork Operating System Software \n"
 422             "IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)\n"
 423             "Copyright (c) 1986-1998 by cisco Systems, Inc.\n"
 424             "Compiled Tue 03-Mar-98 06:33 by dschwart");
 425 }
 426 END_TEST
 427
 428 START_TEST (test_recv_cdpv2)
 429 {
 430         char pkt1[] = {
 431                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0xca, 0x00,
 432                 0x68, 0x46, 0x00, 0x00, 0x01, 0x30, 0xaa, 0xaa,
 433                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 434                 0x54, 0x27, 0x00, 0x01, 0x00, 0x0f, 0x72, 0x74,
 435                 0x62, 0x67, 0x36, 0x74, 0x65, 0x73, 0x74, 0x30,
 436                 0x31, 0x00, 0x05, 0x00, 0xd3, 0x43, 0x69, 0x73,
 437                 0x63, 0x6f, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72,
 438                 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20,
 439                 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6e,
 440                 0x67, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
 441                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 442                 0x65, 0x20, 0x0a, 0x49, 0x4f, 0x53, 0x20, 0x28,
 443                 0x74, 0x6d, 0x29, 0x20, 0x37, 0x32, 0x30, 0x30,
 444                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 445                 0x65, 0x20, 0x28, 0x43, 0x37, 0x32, 0x30, 0x30,
 446                 0x2d, 0x50, 0x2d, 0x4d, 0x29, 0x2c, 0x20, 0x56,
 447                 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31,
 448                 0x32, 0x2e, 0x32, 0x28, 0x34, 0x36, 0x29, 0x2c,
 449                 0x20, 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45,
 450                 0x20, 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52,
 451                 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a,
 452                 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68,
 453                 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39,
 454                 0x38, 0x36, 0x2d, 0x32, 0x30, 0x30, 0x37, 0x20,
 455                 0x62, 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f,
 456                 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73,
 457                 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43,
 458                 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20,
 459                 0x54, 0x68, 0x75, 0x20, 0x32, 0x36, 0x2d, 0x41,
 460                 0x70, 0x72, 0x2d, 0x30, 0x37, 0x20, 0x32, 0x31,
 461                 0x3a, 0x35, 0x36, 0x20, 0x62, 0x79, 0x20, 0x70,
 462                 0x77, 0x61, 0x64, 0x65, 0x00, 0x06, 0x00, 0x11,
 463                 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x37, 0x32,
 464                 0x30, 0x36, 0x56, 0x58, 0x52, 0x00, 0x02, 0x00,
 465                 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc,
 466                 0x00, 0x04, 0xac, 0x42, 0x37, 0x03, 0x00, 0x03,
 467                 0x00, 0x13, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74,
 468                 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x2f,
 469                 0x30, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00,
 470                 0x00, 0x00, 0x0b, 0x00, 0x05, 0x00 };
 471         /* This is:
 472 IEEE 802.3 Ethernet
 473     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 474     Source: ca:00:68:46:00:00 (ca:00:68:46:00:00)
 475     Length: 304
 476 Logical-Link Control
 477     DSAP: SNAP (0xaa)
 478     IG Bit: Individual
 479     SSAP: SNAP (0xaa)
 480     CR Bit: Command
 481     Control field: U, func=UI (0x03)
 482         000. 00.. = Command: Unnumbered Information (0x00)
 483         .... ..11 = Frame type: Unnumbered frame (0x03)
 484     Organization Code: Cisco (0x00000c)
 485     PID: CDP (0x2000)
 486 Cisco Discovery Protocol
 487     Version: 2
 488     TTL: 180 seconds
 489     Checksum: 0x5427 [correct]
 490         [Good: True]
 491         [Bad : False]
 492     Device ID: rtbg6test01
 493         Type: Device ID (0x0001)
 494         Length: 15
 495         Device ID: rtbg6test01
 496     Software Version
 497         Type: Software version (0x0005)
 498         Length: 211
 499         Software Version: Cisco Internetwork Operating System Software
 500                           IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)
 501                           Copyright (c) 1986-2007 by cisco Systems, Inc.
 502                           Compiled Thu 26-Apr-07 21:56 by pwade
 503     Platform: cisco 7206VXR
 504         Type: Platform (0x0006)
 505         Length: 17
 506         Platform: cisco 7206VXR
 507     Addresses
 508         Type: Addresses (0x0002)
 509         Length: 17
 510         Number of addresses: 1
 511         IP address: 172.66.55.3
 512             Protocol type: NLPID
 513             Protocol length: 1
 514             Protocol: IP
 515             Address length: 4
 516             IP address: 172.66.55.3
 517     Port ID: FastEthernet0/0
 518         Type: Port ID (0x0003)
 519         Length: 19
 520         Sent through Interface: FastEthernet0/0
 521     Capabilities
 522         Type: Capabilities (0x0004)
 523         Length: 8
 524         Capabilities: 0x00000000
 525             .... .... .... .... .... .... .... ...0 = Not a Router
 526             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 527             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 528             .... .... .... .... .... .... .... 0... = Not a Switch
 529             .... .... .... .... .... .... ...0 .... = Not a Host
 530             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 531             .... .... .... .... .... .... .0.. .... = Not a Repeater
 532     Duplex: Half
 533         Type: Duplex (0x000b)
 534         Length: 5
 535         Duplex: Half
 536         */
 537         struct lldpd_chassis *nchassis = NULL;
 538         struct lldpd_port *nport = NULL;
 539
 540         fail_unless(cdpv2_guess(pkt1, sizeof(pkt1)));
 541         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 542                 &nchassis, &nport) != -1);
 543         if (!nchassis || !nport) {
 544                 fail("unable to decode packet");
 545                 return;
 546         }
 547         ck_assert_int_eq(nchassis->c_id_subtype,
 548             LLDP_CHASSISID_SUBTYPE_LOCAL);
 549         ck_assert_int_eq(nchassis->c_id_len, strlen("rtbg6test01"));
 550         fail_unless(memcmp(nchassis->c_id,
 551                 "rtbg6test01", strlen("rtbg6test01")) == 0);
 552         ck_assert_str_eq(nchassis->c_name, "rtbg6test01");
 553         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
 554             (u_int32_t)inet_addr("172.66.55.3"));
 555         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
 556         ck_assert_int_eq(nport->p_id_subtype,
 557             LLDP_PORTID_SUBTYPE_IFNAME);
 558         ck_assert_int_eq(nport->p_id_len, strlen("FastEthernet0/0"));
 559         fail_unless(memcmp(nport->p_id,
 560                 "FastEthernet0/0", strlen("FastEthernet0/0")) == 0);
 561         ck_assert_str_eq(nport->p_descr, "FastEthernet0/0");
 562         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_STATION);
 563         ck_assert_str_eq(nchassis->c_descr,
 564             "cisco 7206VXR running on\n"
 565             "Cisco Internetwork Operating System Software \n"
 566             "IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)\n"
 567             "Copyright (c) 1986-2007 by cisco Systems, Inc.\n"
 568             "Compiled Thu 26-Apr-07 21:56 by pwade");
 569 }
 570 END_TEST
 571
 572 #endif
 573
 574 Suite *
 575 cdp_suite(void)
 576 {
 577         Suite *s = suite_create("CDP");
 578
 579 #ifdef ENABLE_CDP
 580         TCase *tc_send = tcase_create("Send CDP packets");
 581         TCase *tc_receive = tcase_create("Receive CDP packets");
 582
 583         tcase_add_checked_fixture(tc_send, pcap_setup, pcap_teardown);
 584         tcase_add_test(tc_send, test_send_cdpv1);
 585         tcase_add_test(tc_send, test_send_cdpv2);
 586         suite_add_tcase(s, tc_send);
 587
 588         tcase_add_test(tc_receive, test_recv_cdpv1);
 589         tcase_add_test(tc_receive, test_recv_cdpv2);
 590         suite_add_tcase(s, tc_receive);
 591 #endif
 592
 593         return s;
 594 }
 595
 596 int
 597 main()
 598 {
 599         int number_failed;
 600         Suite *s = cdp_suite ();
 601         SRunner *sr = srunner_create (s);
 602         srunner_set_fork_status (sr, CK_NOFORK); /* Can't fork because
 603                                                     we need to write
 604                                                     files */
 605         srunner_run_all (sr, CK_ENV);
 606         number_failed = srunner_ntests_failed (sr);
 607         srunner_free (sr);
 608         return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
 609 }