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_ttl = 180,
 113                         .c_platform = "Linux"
 114                 }
 115         };
 116
 117         /* Populate port and chassis */
 118         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME;
 119         hardware.h_lport.p_id = "Not used";
 120         hardware.h_lport.p_id_len = strlen(hardware.h_lport.p_id);
 121         hardware.h_lport.p_descr = "FastEthernet 1/5";
 122         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 123         chassis.c_id = macaddress;
 124         chassis.c_id_len = ETHER_ADDR_LEN;
 125         chassis.c_name = "First chassis";
 126         chassis.c_descr = "Chassis description";
 127         chassis.c_cap_available = chassis.c_cap_enabled = LLDP_CAP_ROUTER;
 128         TAILQ_INIT(&chassis.c_mgmt);
 129         addr = inet_addr("172.17.142.37");
 130         mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 131                                         &addr, sizeof(in_addr_t), 0);
 132         if (mgmt == NULL)
 133                 ck_abort();
 134         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt, m_entries);
 135
 136         /* Build packet */
 137         n = cdpv1_send(&cfg, &hardware);
 138         if (n != 0) {
 139                 fail("unable to build packet");
 140                 return;
 141         }
 142         if (TAILQ_EMPTY(&pkts)) {
 143                 fail("no packets sent");
 144                 return;
 145         }
 146         pkt = TAILQ_FIRST(&pkts);
 147         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 148         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 149         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 150 }
 151 END_TEST
 152
 153 START_TEST (test_send_cdpv2)
 154 {
 155         int n;
 156         /* Packet we should build:
 157 IEEE 802.3 Ethernet
 158     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 159     Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad)
 160  the factory default)
 161     Length: 111
 162 Logical-Link Control
 163     DSAP: SNAP (0xaa)
 164     IG Bit: Individual
 165     SSAP: SNAP (0xaa)
 166     CR Bit: Command
 167     Control field: U, func=UI (0x03)
 168         000. 00.. = Command: Unnumbered Information (0x00)
 169         .... ..11 = Frame type: Unnumbered frame (0x03)
 170     Organization Code: Cisco (0x00000c)
 171     PID: CDP (0x2000)
 172 Cisco Discovery Protocol
 173     Version: 2
 174     TTL: 180 seconds
 175     Checksum: 0x5926 [correct]
 176         [Good: True]
 177         [Bad : False]
 178     Device ID: Second chassis
 179         Type: Device ID (0x0001)
 180         Length: 18
 181         Device ID: Second chassis
 182     Addresses
 183         Type: Addresses (0x0002)
 184         Length: 26
 185         Number of addresses: 2
 186         IP address: 172.17.142.36
 187             Protocol type: NLPID
 188             Protocol length: 1
 189             Protocol: IP
 190             Address length: 4
 191             IP address: 172.17.142.36
 192         IP address: 172.17.142.38
 193             Protocol type: NLPID
 194             Protocol length: 1
 195             Protocol: IP
 196             Address length: 4
 197             IP address: 172.17.142.38
 198     Port ID: Gigabit Ethernet 5/8
 199         Type: Port ID (0x0003)
 200         Length: 24
 201         Sent through Interface: Gigabit Ethernet 5/8
 202     Capabilities
 203         Type: Capabilities (0x0004)
 204         Length: 8
 205         Capabilities: 0x00000019
 206             .... .... .... .... .... .... .... ...1 = Is  a Router
 207             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 208             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 209             .... .... .... .... .... .... .... 1... = Is  a Switch
 210             .... .... .... .... .... .... ...1 .... = Is  a Host
 211             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 212             .... .... .... .... .... .... .0.. .... = Not a Repeater
 213     Software Version
 214         Type: Software version (0x0005)
 215         Length: 23
 216         Software Version: Chassis description
 217     Platform: Linux
 218         Type: Platform (0x0006)
 219         Length: 9
 220         Platform: Linux
 221         */
 222         char pkt1[] = {
 223           0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10,
 224           0x8e, 0xe7, 0x84, 0xad, 0x00, 0x78, 0xaa, 0xaa,
 225           0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 226           0xc8, 0x67, 0x00, 0x01, 0x00, 0x12, 0x53, 0x65,
 227           0x63, 0x6f, 0x6e, 0x64, 0x20, 0x63, 0x68, 0x61,
 228           0x73, 0x73, 0x69, 0x73, 0x00, 0x02, 0x00, 0x1a,
 229           0x00, 0x00, 0x00, 0x02, 0x01, 0x01, 0xcc, 0x00,
 230           0x04, 0xac, 0x11, 0x8e, 0x24, 0x01, 0x01, 0xcc,
 231           0x00, 0x04, 0xac, 0x11, 0x8e, 0x26, 0x00, 0x03,
 232           0x00, 0x18, 0x47, 0x69, 0x67, 0x61, 0x62, 0x69,
 233           0x74, 0x20, 0x45, 0x74, 0x68, 0x65, 0x72, 0x6e,
 234           0x65, 0x74, 0x20, 0x35, 0x2f, 0x38, 0x00, 0x04,
 235           0x00, 0x08, 0x00, 0x00, 0x00, 0x19, 0x00, 0x05,
 236           0x00, 0x17, 0x43, 0x68, 0x61, 0x73, 0x73, 0x69,
 237           0x73, 0x20, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69,
 238           0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00,
 239           0x09, 0x4c, 0x69, 0x6e, 0x75, 0x78 };
 240         struct packet *pkt;
 241         in_addr_t addr1;
 242         in_addr_t addr2;
 243         struct lldpd_mgmt *mgmt1;
 244         struct lldpd_mgmt *mgmt2;
 245         struct lldpd cfg = {
 246                 .g_config = {
 247                         .c_ttl = 180,
 248                         .c_platform = "Linux"
 249                 }
 250         };
 251
 252         /* Populate port and chassis */
 253         hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_LLADDR;
 254         hardware.h_lport.p_id = macaddress;
 255         hardware.h_lport.p_id_len = ETHER_ADDR_LEN;
 256         hardware.h_lport.p_descr = "Gigabit Ethernet 5/8";
 257         chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR;
 258         chassis.c_id = macaddress;
 259         chassis.c_id_len = ETHER_ADDR_LEN;
 260         chassis.c_name = "Second chassis";
 261         chassis.c_descr = "Chassis description";
 262         chassis.c_cap_available = chassis.c_cap_enabled =
 263           LLDP_CAP_ROUTER | LLDP_CAP_BRIDGE;
 264         TAILQ_INIT(&chassis.c_mgmt);
 265         addr1 = inet_addr("172.17.142.36");
 266         addr2 = inet_addr("172.17.142.38");
 267         mgmt1 = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 268                                  &addr1, sizeof(in_addr_t), 0);
 269         mgmt2 = lldpd_alloc_mgmt(LLDPD_AF_IPV4,
 270                                  &addr2, sizeof(in_addr_t), 0);
 271         if (mgmt1 == NULL || mgmt2 == NULL)
 272                 ck_abort();
 273         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt1, m_entries);
 274         TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt2, m_entries);
 275
 276         /* Build packet */
 277         n = cdpv2_send(&cfg, &hardware);
 278         if (n != 0) {
 279                 fail("unable to build packet");
 280                 return;
 281         }
 282         if (TAILQ_EMPTY(&pkts)) {
 283                 fail("no packets sent");
 284                 return;
 285         }
 286         pkt = TAILQ_FIRST(&pkts);
 287         ck_assert_int_eq(pkt->size, sizeof(pkt1));
 288         fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0);
 289         fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent");
 290 }
 291 END_TEST
 292
 293 START_TEST (test_recv_cdpv1)
 294 {
 295         char pkt1[] = {
 296                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x00, 0xe0,
 297                 0x1e, 0xd5, 0xd5, 0x15, 0x01, 0x1e, 0xaa, 0xaa,
 298                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x01, 0xb4,
 299                 0xdf, 0xf0, 0x00, 0x01, 0x00, 0x06, 0x52, 0x31,
 300                 0x00, 0x02, 0x00, 0x11, 0x00, 0x00, 0x00, 0x01,
 301                 0x01, 0x01, 0xcc, 0x00, 0x04, 0xc0, 0xa8, 0x0a,
 302                 0x01, 0x00, 0x03, 0x00, 0x0d, 0x45, 0x74, 0x68,
 303                 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x00, 0x04,
 304                 0x00, 0x08, 0x00, 0x00, 0x00, 0x11, 0x00, 0x05,
 305                 0x00, 0xd8, 0x43, 0x69, 0x73, 0x63, 0x6f, 0x20,
 306                 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74,
 307                 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, 0x70, 0x65,
 308                 0x72, 0x61, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x53,
 309                 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x53, 0x6f,
 310                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x0a,
 311                 0x49, 0x4f, 0x53, 0x20, 0x28, 0x74, 0x6d, 0x29,
 312                 0x20, 0x31, 0x36, 0x30, 0x30, 0x20, 0x53, 0x6f,
 313                 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x28,
 314                 0x43, 0x31, 0x36, 0x30, 0x30, 0x2d, 0x4e, 0x59,
 315                 0x2d, 0x4c, 0x29, 0x2c, 0x20, 0x56, 0x65, 0x72,
 316                 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x31, 0x2e,
 317                 0x32, 0x28, 0x31, 0x32, 0x29, 0x50, 0x2c, 0x20,
 318                 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20,
 319                 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52, 0x45,
 320                 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a, 0x43,
 321                 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74,
 322                 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x38,
 323                 0x36, 0x2d, 0x31, 0x39, 0x39, 0x38, 0x20, 0x62,
 324                 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 325                 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x2c,
 326                 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43, 0x6f,
 327                 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54,
 328                 0x75, 0x65, 0x20, 0x30, 0x33, 0x2d, 0x4d, 0x61,
 329                 0x72, 0x2d, 0x39, 0x38, 0x20, 0x30, 0x36, 0x3a,
 330                 0x33, 0x33, 0x20, 0x62, 0x79, 0x20, 0x64, 0x73,
 331                 0x63, 0x68, 0x77, 0x61, 0x72, 0x74, 0x00, 0x06,
 332                 0x00, 0x0e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20,
 333                 0x31, 0x36, 0x30, 0x31 };
 334         /* This is:
 335 IEEE 802.3 Ethernet
 336     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 337     Source: Cisco_d5:d5:15 (00:e0:1e:d5:d5:15)
 338     Length: 286
 339 Logical-Link Control
 340     DSAP: SNAP (0xaa)
 341     IG Bit: Individual
 342     SSAP: SNAP (0xaa)
 343     CR Bit: Command
 344     Control field: U, func=UI (0x03)
 345         000. 00.. = Command: Unnumbered Information (0x00)
 346         .... ..11 = Frame type: Unnumbered frame (0x03)
 347     Organization Code: Cisco (0x00000c)
 348     PID: CDP (0x2000)
 349 Cisco Discovery Protocol
 350     Version: 1
 351     TTL: 180 seconds
 352     Checksum: 0xdff0 [correct]
 353         [Good: True]
 354         [Bad : False]
 355     Device ID: R1
 356         Type: Device ID (0x0001)
 357         Length: 6
 358         Device ID: R1
 359     Addresses
 360         Type: Addresses (0x0002)
 361         Length: 17
 362         Number of addresses: 1
 363         IP address: 192.168.10.1
 364             Protocol type: NLPID
 365             Protocol length: 1
 366             Protocol: IP
 367             Address length: 4
 368             IP address: 192.168.10.1
 369     Port ID: Ethernet0
 370         Type: Port ID (0x0003)
 371         Length: 13
 372         Sent through Interface: Ethernet0
 373     Capabilities
 374         Type: Capabilities (0x0004)
 375         Length: 8
 376         Capabilities: 0x00000011
 377             .... .... .... .... .... .... .... ...1 = Is  a Router
 378             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 379             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 380             .... .... .... .... .... .... .... 0... = Not a Switch
 381             .... .... .... .... .... .... ...1 .... = Is  a Host
 382             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 383             .... .... .... .... .... .... .0.. .... = Not a Repeater
 384     Software Version
 385         Type: Software version (0x0005)
 386         Length: 216
 387         Software Version: Cisco Internetwork Operating System Software
 388                           IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)
 389                           Copyright (c) 1986-1998 by cisco Systems, Inc.
 390                           Compiled Tue 03-Mar-98 06:33 by dschwart
 391     Platform: cisco 1601
 392         Type: Platform (0x0006)
 393         Length: 14
 394         Platform: cisco 1601
 395         */
 396         struct lldpd_chassis *nchassis = NULL;
 397         struct lldpd_port *nport = NULL;
 398
 399         fail_unless(cdpv1_guess(pkt1, sizeof(pkt1)));
 400         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 401                 &nchassis, &nport) != -1);
 402         if (!nchassis || !nport) {
 403                 fail("unable to decode packet");
 404                 return;
 405         }
 406         ck_assert_int_eq(nchassis->c_id_subtype,
 407             LLDP_CHASSISID_SUBTYPE_LOCAL);
 408         ck_assert_int_eq(nchassis->c_id_len, 2);
 409         fail_unless(memcmp(nchassis->c_id, "R1", 2) == 0);
 410         ck_assert_str_eq(nchassis->c_name, "R1");
 411         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
 412             (u_int32_t)inet_addr("192.168.10.1"));
 413         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
 414         ck_assert_int_eq(nport->p_id_subtype,
 415             LLDP_PORTID_SUBTYPE_IFNAME);
 416         ck_assert_int_eq(nport->p_id_len, strlen("Ethernet0"));
 417         fail_unless(memcmp(nport->p_id,
 418                 "Ethernet0", strlen("Ethernet0")) == 0);
 419         ck_assert_str_eq(nport->p_descr, "Ethernet0");
 420         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_ROUTER);
 421         ck_assert_str_eq(nchassis->c_descr,
 422             "cisco 1601 running on\n"
 423             "Cisco Internetwork Operating System Software \n"
 424             "IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)\n"
 425             "Copyright (c) 1986-1998 by cisco Systems, Inc.\n"
 426             "Compiled Tue 03-Mar-98 06:33 by dschwart");
 427 }
 428 END_TEST
 429
 430 START_TEST (test_recv_cdpv2)
 431 {
 432         char pkt1[] = {
 433                 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0xca, 0x00,
 434                 0x68, 0x46, 0x00, 0x00, 0x01, 0x30, 0xaa, 0xaa,
 435                 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, 0x02, 0xb4,
 436                 0x54, 0x27, 0x00, 0x01, 0x00, 0x0f, 0x72, 0x74,
 437                 0x62, 0x67, 0x36, 0x74, 0x65, 0x73, 0x74, 0x30,
 438                 0x31, 0x00, 0x05, 0x00, 0xd3, 0x43, 0x69, 0x73,
 439                 0x63, 0x6f, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72,
 440                 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20,
 441                 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6e,
 442                 0x67, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d,
 443                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 444                 0x65, 0x20, 0x0a, 0x49, 0x4f, 0x53, 0x20, 0x28,
 445                 0x74, 0x6d, 0x29, 0x20, 0x37, 0x32, 0x30, 0x30,
 446                 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72,
 447                 0x65, 0x20, 0x28, 0x43, 0x37, 0x32, 0x30, 0x30,
 448                 0x2d, 0x50, 0x2d, 0x4d, 0x29, 0x2c, 0x20, 0x56,
 449                 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31,
 450                 0x32, 0x2e, 0x32, 0x28, 0x34, 0x36, 0x29, 0x2c,
 451                 0x20, 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45,
 452                 0x20, 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52,
 453                 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a,
 454                 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68,
 455                 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, 0x39,
 456                 0x38, 0x36, 0x2d, 0x32, 0x30, 0x30, 0x37, 0x20,
 457                 0x62, 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f,
 458                 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73,
 459                 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43,
 460                 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20,
 461                 0x54, 0x68, 0x75, 0x20, 0x32, 0x36, 0x2d, 0x41,
 462                 0x70, 0x72, 0x2d, 0x30, 0x37, 0x20, 0x32, 0x31,
 463                 0x3a, 0x35, 0x36, 0x20, 0x62, 0x79, 0x20, 0x70,
 464                 0x77, 0x61, 0x64, 0x65, 0x00, 0x06, 0x00, 0x11,
 465                 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x37, 0x32,
 466                 0x30, 0x36, 0x56, 0x58, 0x52, 0x00, 0x02, 0x00,
 467                 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc,
 468                 0x00, 0x04, 0xac, 0x42, 0x37, 0x03, 0x00, 0x03,
 469                 0x00, 0x13, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74,
 470                 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x30, 0x2f,
 471                 0x30, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00,
 472                 0x00, 0x00, 0x0b, 0x00, 0x05, 0x00 };
 473         /* This is:
 474 IEEE 802.3 Ethernet
 475     Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc)
 476     Source: ca:00:68:46:00:00 (ca:00:68:46:00:00)
 477     Length: 304
 478 Logical-Link Control
 479     DSAP: SNAP (0xaa)
 480     IG Bit: Individual
 481     SSAP: SNAP (0xaa)
 482     CR Bit: Command
 483     Control field: U, func=UI (0x03)
 484         000. 00.. = Command: Unnumbered Information (0x00)
 485         .... ..11 = Frame type: Unnumbered frame (0x03)
 486     Organization Code: Cisco (0x00000c)
 487     PID: CDP (0x2000)
 488 Cisco Discovery Protocol
 489     Version: 2
 490     TTL: 180 seconds
 491     Checksum: 0x5427 [correct]
 492         [Good: True]
 493         [Bad : False]
 494     Device ID: rtbg6test01
 495         Type: Device ID (0x0001)
 496         Length: 15
 497         Device ID: rtbg6test01
 498     Software Version
 499         Type: Software version (0x0005)
 500         Length: 211
 501         Software Version: Cisco Internetwork Operating System Software
 502                           IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)
 503                           Copyright (c) 1986-2007 by cisco Systems, Inc.
 504                           Compiled Thu 26-Apr-07 21:56 by pwade
 505     Platform: cisco 7206VXR
 506         Type: Platform (0x0006)
 507         Length: 17
 508         Platform: cisco 7206VXR
 509     Addresses
 510         Type: Addresses (0x0002)
 511         Length: 17
 512         Number of addresses: 1
 513         IP address: 172.66.55.3
 514             Protocol type: NLPID
 515             Protocol length: 1
 516             Protocol: IP
 517             Address length: 4
 518             IP address: 172.66.55.3
 519     Port ID: FastEthernet0/0
 520         Type: Port ID (0x0003)
 521         Length: 19
 522         Sent through Interface: FastEthernet0/0
 523     Capabilities
 524         Type: Capabilities (0x0004)
 525         Length: 8
 526         Capabilities: 0x00000000
 527             .... .... .... .... .... .... .... ...0 = Not a Router
 528             .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge
 529             .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge
 530             .... .... .... .... .... .... .... 0... = Not a Switch
 531             .... .... .... .... .... .... ...0 .... = Not a Host
 532             .... .... .... .... .... .... ..0. .... = Not IGMP capable
 533             .... .... .... .... .... .... .0.. .... = Not a Repeater
 534     Duplex: Half
 535         Type: Duplex (0x000b)
 536         Length: 5
 537         Duplex: Half
 538         */
 539         struct lldpd_chassis *nchassis = NULL;
 540         struct lldpd_port *nport = NULL;
 541
 542         fail_unless(cdpv2_guess(pkt1, sizeof(pkt1)));
 543         fail_unless(cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware,
 544                 &nchassis, &nport) != -1);
 545         if (!nchassis || !nport) {
 546                 fail("unable to decode packet");
 547                 return;
 548         }
 549         ck_assert_int_eq(nchassis->c_id_subtype,
 550             LLDP_CHASSISID_SUBTYPE_LOCAL);
 551         ck_assert_int_eq(nchassis->c_id_len, strlen("rtbg6test01"));
 552         fail_unless(memcmp(nchassis->c_id,
 553                 "rtbg6test01", strlen("rtbg6test01")) == 0);
 554         ck_assert_str_eq(nchassis->c_name, "rtbg6test01");
 555         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr,
 556             (u_int32_t)inet_addr("172.66.55.3"));
 557         ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0);
 558         ck_assert_int_eq(nport->p_id_subtype,
 559             LLDP_PORTID_SUBTYPE_IFNAME);
 560         ck_assert_int_eq(nport->p_id_len, strlen("FastEthernet0/0"));
 561         fail_unless(memcmp(nport->p_id,
 562                 "FastEthernet0/0", strlen("FastEthernet0/0")) == 0);
 563         ck_assert_str_eq(nport->p_descr, "FastEthernet0/0");
 564         ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_STATION);
 565         ck_assert_str_eq(nchassis->c_descr,
 566             "cisco 7206VXR running on\n"
 567             "Cisco Internetwork Operating System Software \n"
 568             "IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)\n"
 569             "Copyright (c) 1986-2007 by cisco Systems, Inc.\n"
 570             "Compiled Thu 26-Apr-07 21:56 by pwade");
 571 }
 572 END_TEST
 573
 574 #endif
 575
 576 Suite *
 577 cdp_suite(void)
 578 {
 579         Suite *s = suite_create("CDP");
 580
 581 #ifdef ENABLE_CDP
 582         TCase *tc_send = tcase_create("Send CDP packets");
 583         TCase *tc_receive = tcase_create("Receive CDP packets");
 584
 585         tcase_add_checked_fixture(tc_send, pcap_setup, pcap_teardown);
 586         tcase_add_test(tc_send, test_send_cdpv1);
 587         tcase_add_test(tc_send, test_send_cdpv2);
 588         suite_add_tcase(s, tc_send);
 589
 590         tcase_add_test(tc_receive, test_recv_cdpv1);
 591         tcase_add_test(tc_receive, test_recv_cdpv2);
 592         suite_add_tcase(s, tc_receive);
 593 #endif
 594
 595         return s;
 596 }
 597
 598 int
 599 main()
 600 {
 601         int number_failed;
 602         Suite *s = cdp_suite ();
 603         SRunner *sr = srunner_create (s);
 604         srunner_set_fork_status (sr, CK_NOFORK); /* Can't fork because
 605                                                     we need to write
 606                                                     files */
 607         srunner_run_all (sr, CK_ENV);
 608         number_failed = srunner_ntests_failed (sr);
 609         srunner_free (sr);
 610         return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
 611 }