diff options
Diffstat (limited to 'tests/check_cdp.c')
| -rw-r--r-- | tests/check_cdp.c | 536 |
1 files changed, 536 insertions, 0 deletions
diff --git a/tests/check_cdp.c b/tests/check_cdp.c new file mode 100644 index 0000000..7512a23 --- /dev/null +++ b/tests/check_cdp.c @@ -0,0 +1,536 @@ +/* -*- mode: c; c-file-style: "openbsd" -*- */ +/* + * Copyright (c) 2015 Vincent Bernat <bernat@luffy.cx> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <stdlib.h> +#include <sys/socket.h> +#include <arpa/inet.h> +#include <netinet/in.h> +#include <check.h> +#include "common.h" + +char filenameprefix[] = "cdp_send"; + +#ifdef ENABLE_CDP + +START_TEST(test_send_cdpv1) +{ + int n; + /* Packet we should build: +IEEE 802.3 Ethernet + Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc) + Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad) + Length: 106 +Logical-Link Control + DSAP: SNAP (0xaa) + IG Bit: Individual + SSAP: SNAP (0xaa) + CR Bit: Command + Control field: U, func=UI (0x03) + 000. 00.. = Command: Unnumbered Information (0x00) + .... ..11 = Frame type: Unnumbered frame (0x03) + Organization Code: Cisco (0x00000c) + PID: CDP (0x2000) +Cisco Discovery Protocol + Version: 1 + TTL: 180 seconds + Checksum: 0x3af7 [correct] + [Good: True] + [Bad : False] + Device ID: First chassis + Type: Device ID (0x0001) + Length: 17 + Device ID: First chassis + Addresses + Type: Addresses (0x0002) + Length: 17 + Number of addresses: 1 + IP address: 172.17.142.37 + Protocol type: NLPID + Protocol length: 1 + Protocol: IP + Address length: 4 + IP address: 172.17.142.37 + Port ID: FastEthernet 1/5 + Type: Port ID (0x0003) + Length: 20 + Sent through Interface: FastEthernet 1/5 + Capabilities + Type: Capabilities (0x0004) + Length: 8 + Capabilities: 0x00000011 + .... .... .... .... .... .... .... ...1 = Is a Router + .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge + .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge + .... .... .... .... .... .... .... 0... = Not a Switch + .... .... .... .... .... .... ...1 .... = Is a Host + .... .... .... .... .... .... ..0. .... = Not IGMP capable + .... .... .... .... .... .... .0.. .... = Not a Repeater + Software Version + Type: Software version (0x0005) + Length: 23 + Software Version: Chassis description + Platform: Linux + Type: Platform (0x0006) + Length: 9 + Platform: Linux + */ + char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10, 0x8e, 0xe7, + 0x84, 0xad, 0x00, 0x6a, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, + 0x01, 0xb4, 0x3a, 0xf7, 0x00, 0x01, 0x00, 0x11, 0x46, 0x69, 0x72, 0x73, + 0x74, 0x20, 0x63, 0x68, 0x61, 0x73, 0x73, 0x69, 0x73, 0x00, 0x02, 0x00, + 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac, 0x11, + 0x8e, 0x25, 0x00, 0x03, 0x00, 0x14, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74, + 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x31, 0x2f, 0x35, 0x00, 0x04, + 0x00, 0x08, 0x00, 0x00, 0x00, 0x11, 0x00, 0x05, 0x00, 0x17, 0x43, 0x68, + 0x61, 0x73, 0x73, 0x69, 0x73, 0x20, 0x64, 0x65, 0x73, 0x63, 0x72, 0x69, + 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00, 0x09, 0x4c, 0x69, 0x6e, + 0x75, 0x78 }; + struct packet *pkt; + in_addr_t addr; + struct lldpd_mgmt *mgmt; + struct lldpd cfg = { .g_config = { .c_ttl = 180, .c_platform = "Linux" } }; + + /* Populate port and chassis */ + hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_IFNAME; + hardware.h_lport.p_id = "Not used"; + hardware.h_lport.p_id_len = strlen(hardware.h_lport.p_id); + hardware.h_lport.p_descr = "FastEthernet 1/5"; + chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR; + chassis.c_id = macaddress; + chassis.c_id_len = ETHER_ADDR_LEN; + chassis.c_name = "First chassis"; + chassis.c_descr = "Chassis description"; + chassis.c_cap_available = chassis.c_cap_enabled = LLDP_CAP_ROUTER; + TAILQ_INIT(&chassis.c_mgmt); + addr = inet_addr("172.17.142.37"); + mgmt = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &addr, sizeof(in_addr_t), 0); + if (mgmt == NULL) ck_abort(); + TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt, m_entries); + + /* Build packet */ + n = cdpv1_send(&cfg, &hardware); + if (n != 0) { + fail("unable to build packet"); + return; + } + if (TAILQ_EMPTY(&pkts)) { + fail("no packets sent"); + return; + } + pkt = TAILQ_FIRST(&pkts); + ck_assert_int_eq(pkt->size, sizeof(pkt1)); + fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0); + fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent"); +} +END_TEST + +START_TEST(test_send_cdpv2) +{ + int n; + /* Packet we should build: +IEEE 802.3 Ethernet + Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc) + Source: 5e:10:8e:e7:84:ad (5e:10:8e:e7:84:ad) + the factory default) + Length: 111 +Logical-Link Control + DSAP: SNAP (0xaa) + IG Bit: Individual + SSAP: SNAP (0xaa) + CR Bit: Command + Control field: U, func=UI (0x03) + 000. 00.. = Command: Unnumbered Information (0x00) + .... ..11 = Frame type: Unnumbered frame (0x03) + Organization Code: Cisco (0x00000c) + PID: CDP (0x2000) +Cisco Discovery Protocol + Version: 2 + TTL: 180 seconds + Checksum: 0x5926 [correct] + [Good: True] + [Bad : False] + Device ID: Second chassis + Type: Device ID (0x0001) + Length: 18 + Device ID: Second chassis + Addresses + Type: Addresses (0x0002) + Length: 26 + Number of addresses: 2 + IP address: 172.17.142.36 + Protocol type: NLPID + Protocol length: 1 + Protocol: IP + Address length: 4 + IP address: 172.17.142.36 + IP address: 172.17.142.38 + Protocol type: NLPID + Protocol length: 1 + Protocol: IP + Address length: 4 + IP address: 172.17.142.38 + Port ID: Gigabit Ethernet 5/8 + Type: Port ID (0x0003) + Length: 24 + Sent through Interface: Gigabit Ethernet 5/8 + Capabilities + Type: Capabilities (0x0004) + Length: 8 + Capabilities: 0x00000019 + .... .... .... .... .... .... .... ...1 = Is a Router + .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge + .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge + .... .... .... .... .... .... .... 1... = Is a Switch + .... .... .... .... .... .... ...1 .... = Is a Host + .... .... .... .... .... .... ..0. .... = Not IGMP capable + .... .... .... .... .... .... .0.. .... = Not a Repeater + Software Version + Type: Software version (0x0005) + Length: 23 + Software Version: Chassis description + Platform: Linux + Type: Platform (0x0006) + Length: 9 + Platform: Linux + */ + char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x5e, 0x10, 0x8e, 0xe7, + 0x84, 0xad, 0x00, 0x78, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, + 0x02, 0xb4, 0xc8, 0x67, 0x00, 0x01, 0x00, 0x12, 0x53, 0x65, 0x63, 0x6f, + 0x6e, 0x64, 0x20, 0x63, 0x68, 0x61, 0x73, 0x73, 0x69, 0x73, 0x00, 0x02, + 0x00, 0x1a, 0x00, 0x00, 0x00, 0x02, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac, + 0x11, 0x8e, 0x24, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac, 0x11, 0x8e, 0x26, + 0x00, 0x03, 0x00, 0x18, 0x47, 0x69, 0x67, 0x61, 0x62, 0x69, 0x74, 0x20, + 0x45, 0x74, 0x68, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x20, 0x35, 0x2f, 0x38, + 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00, 0x19, 0x00, 0x05, 0x00, 0x17, + 0x43, 0x68, 0x61, 0x73, 0x73, 0x69, 0x73, 0x20, 0x64, 0x65, 0x73, 0x63, + 0x72, 0x69, 0x70, 0x74, 0x69, 0x6f, 0x6e, 0x00, 0x06, 0x00, 0x09, 0x4c, + 0x69, 0x6e, 0x75, 0x78 }; + struct packet *pkt; + in_addr_t addr1; + in_addr_t addr2; + struct lldpd_mgmt *mgmt1; + struct lldpd_mgmt *mgmt2; + struct lldpd cfg = { .g_config = { .c_ttl = 180, .c_platform = "Linux" } }; + + /* Populate port and chassis */ + hardware.h_lport.p_id_subtype = LLDP_PORTID_SUBTYPE_LLADDR; + hardware.h_lport.p_id = macaddress; + hardware.h_lport.p_id_len = ETHER_ADDR_LEN; + hardware.h_lport.p_descr = "Gigabit Ethernet 5/8"; + chassis.c_id_subtype = LLDP_CHASSISID_SUBTYPE_LLADDR; + chassis.c_id = macaddress; + chassis.c_id_len = ETHER_ADDR_LEN; + chassis.c_name = "Second chassis"; + chassis.c_descr = "Chassis description"; + chassis.c_cap_available = chassis.c_cap_enabled = + LLDP_CAP_ROUTER | LLDP_CAP_BRIDGE; + TAILQ_INIT(&chassis.c_mgmt); + addr1 = inet_addr("172.17.142.36"); + addr2 = inet_addr("172.17.142.38"); + mgmt1 = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &addr1, sizeof(in_addr_t), 0); + mgmt2 = lldpd_alloc_mgmt(LLDPD_AF_IPV4, &addr2, sizeof(in_addr_t), 0); + if (mgmt1 == NULL || mgmt2 == NULL) ck_abort(); + TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt1, m_entries); + TAILQ_INSERT_TAIL(&chassis.c_mgmt, mgmt2, m_entries); + + /* Build packet */ + n = cdpv2_send(&cfg, &hardware); + if (n != 0) { + fail("unable to build packet"); + return; + } + if (TAILQ_EMPTY(&pkts)) { + fail("no packets sent"); + return; + } + pkt = TAILQ_FIRST(&pkts); + ck_assert_int_eq(pkt->size, sizeof(pkt1)); + fail_unless(memcmp(pkt->data, pkt1, sizeof(pkt1)) == 0); + fail_unless(TAILQ_NEXT(pkt, next) == NULL, "more than one packet sent"); +} +END_TEST + +START_TEST(test_recv_cdpv1) +{ + char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0x00, 0xe0, 0x1e, 0xd5, + 0xd5, 0x15, 0x01, 0x1e, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, + 0x01, 0xb4, 0xdf, 0xf0, 0x00, 0x01, 0x00, 0x06, 0x52, 0x31, 0x00, 0x02, + 0x00, 0x11, 0x00, 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xc0, + 0xa8, 0x0a, 0x01, 0x00, 0x03, 0x00, 0x0d, 0x45, 0x74, 0x68, 0x65, 0x72, + 0x6e, 0x65, 0x74, 0x30, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00, 0x11, + 0x00, 0x05, 0x00, 0xd8, 0x43, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x49, 0x6e, + 0x74, 0x65, 0x72, 0x6e, 0x65, 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, + 0x70, 0x65, 0x72, 0x61, 0x74, 0x69, 0x6e, 0x67, 0x20, 0x53, 0x79, 0x73, + 0x74, 0x65, 0x6d, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, + 0x20, 0x0a, 0x49, 0x4f, 0x53, 0x20, 0x28, 0x74, 0x6d, 0x29, 0x20, 0x31, + 0x36, 0x30, 0x30, 0x20, 0x53, 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, + 0x20, 0x28, 0x43, 0x31, 0x36, 0x30, 0x30, 0x2d, 0x4e, 0x59, 0x2d, 0x4c, + 0x29, 0x2c, 0x20, 0x56, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, + 0x31, 0x2e, 0x32, 0x28, 0x31, 0x32, 0x29, 0x50, 0x2c, 0x20, 0x52, 0x45, + 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20, 0x53, 0x4f, 0x46, 0x54, 0x57, 0x41, + 0x52, 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, 0x29, 0x0a, 0x43, 0x6f, 0x70, + 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, 0x28, 0x63, 0x29, 0x20, 0x31, + 0x39, 0x38, 0x36, 0x2d, 0x31, 0x39, 0x39, 0x38, 0x20, 0x62, 0x79, 0x20, + 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, + 0x73, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, 0x0a, 0x43, 0x6f, 0x6d, 0x70, + 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54, 0x75, 0x65, 0x20, 0x30, 0x33, 0x2d, + 0x4d, 0x61, 0x72, 0x2d, 0x39, 0x38, 0x20, 0x30, 0x36, 0x3a, 0x33, 0x33, + 0x20, 0x62, 0x79, 0x20, 0x64, 0x73, 0x63, 0x68, 0x77, 0x61, 0x72, 0x74, + 0x00, 0x06, 0x00, 0x0e, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x31, 0x36, + 0x30, 0x31 }; + /* This is: +IEEE 802.3 Ethernet + Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc) + Source: Cisco_d5:d5:15 (00:e0:1e:d5:d5:15) + Length: 286 +Logical-Link Control + DSAP: SNAP (0xaa) + IG Bit: Individual + SSAP: SNAP (0xaa) + CR Bit: Command + Control field: U, func=UI (0x03) + 000. 00.. = Command: Unnumbered Information (0x00) + .... ..11 = Frame type: Unnumbered frame (0x03) + Organization Code: Cisco (0x00000c) + PID: CDP (0x2000) +Cisco Discovery Protocol + Version: 1 + TTL: 180 seconds + Checksum: 0xdff0 [correct] + [Good: True] + [Bad : False] + Device ID: R1 + Type: Device ID (0x0001) + Length: 6 + Device ID: R1 + Addresses + Type: Addresses (0x0002) + Length: 17 + Number of addresses: 1 + IP address: 192.168.10.1 + Protocol type: NLPID + Protocol length: 1 + Protocol: IP + Address length: 4 + IP address: 192.168.10.1 + Port ID: Ethernet0 + Type: Port ID (0x0003) + Length: 13 + Sent through Interface: Ethernet0 + Capabilities + Type: Capabilities (0x0004) + Length: 8 + Capabilities: 0x00000011 + .... .... .... .... .... .... .... ...1 = Is a Router + .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge + .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge + .... .... .... .... .... .... .... 0... = Not a Switch + .... .... .... .... .... .... ...1 .... = Is a Host + .... .... .... .... .... .... ..0. .... = Not IGMP capable + .... .... .... .... .... .... .0.. .... = Not a Repeater + Software Version + Type: Software version (0x0005) + Length: 216 + Software Version: Cisco Internetwork Operating System Software + IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, +RELEASE SOFTWARE (fc1) Copyright (c) 1986-1998 by cisco Systems, Inc. Compiled Tue +03-Mar-98 06:33 by dschwart Platform: cisco 1601 Type: Platform (0x0006) Length: 14 + Platform: cisco 1601 + */ + struct lldpd_chassis *nchassis = NULL; + struct lldpd_port *nport = NULL; + + fail_unless(cdpv1_guess(pkt1, sizeof(pkt1))); + fail_unless( + cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware, &nchassis, &nport) != -1); + if (!nchassis || !nport) { + fail("unable to decode packet"); + return; + } + ck_assert_int_eq(nchassis->c_id_subtype, LLDP_CHASSISID_SUBTYPE_LOCAL); + ck_assert_int_eq(nchassis->c_id_len, 2); + fail_unless(memcmp(nchassis->c_id, "R1", 2) == 0); + ck_assert_str_eq(nchassis->c_name, "R1"); + ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr, + (u_int32_t)inet_addr("192.168.10.1")); + ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0); + ck_assert_int_eq(nport->p_id_subtype, LLDP_PORTID_SUBTYPE_IFNAME); + ck_assert_int_eq(nport->p_id_len, strlen("Ethernet0")); + fail_unless(memcmp(nport->p_id, "Ethernet0", strlen("Ethernet0")) == 0); + ck_assert_str_eq(nport->p_descr, "Ethernet0"); + ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_ROUTER); + ck_assert_str_eq(nchassis->c_descr, + "cisco 1601 running on\n" + "Cisco Internetwork Operating System Software \n" + "IOS (tm) 1600 Software (C1600-NY-L), Version 11.2(12)P, RELEASE SOFTWARE (fc1)\n" + "Copyright (c) 1986-1998 by cisco Systems, Inc.\n" + "Compiled Tue 03-Mar-98 06:33 by dschwart"); +} +END_TEST + +START_TEST(test_recv_cdpv2) +{ + char pkt1[] = { 0x01, 0x00, 0x0c, 0xcc, 0xcc, 0xcc, 0xca, 0x00, 0x68, 0x46, + 0x00, 0x00, 0x01, 0x30, 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x0c, 0x20, 0x00, + 0x02, 0xb4, 0x54, 0x27, 0x00, 0x01, 0x00, 0x0f, 0x72, 0x74, 0x62, 0x67, + 0x36, 0x74, 0x65, 0x73, 0x74, 0x30, 0x31, 0x00, 0x05, 0x00, 0xd3, 0x43, + 0x69, 0x73, 0x63, 0x6f, 0x20, 0x49, 0x6e, 0x74, 0x65, 0x72, 0x6e, 0x65, + 0x74, 0x77, 0x6f, 0x72, 0x6b, 0x20, 0x4f, 0x70, 0x65, 0x72, 0x61, 0x74, + 0x69, 0x6e, 0x67, 0x20, 0x53, 0x79, 0x73, 0x74, 0x65, 0x6d, 0x20, 0x53, + 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x0a, 0x49, 0x4f, 0x53, + 0x20, 0x28, 0x74, 0x6d, 0x29, 0x20, 0x37, 0x32, 0x30, 0x30, 0x20, 0x53, + 0x6f, 0x66, 0x74, 0x77, 0x61, 0x72, 0x65, 0x20, 0x28, 0x43, 0x37, 0x32, + 0x30, 0x30, 0x2d, 0x50, 0x2d, 0x4d, 0x29, 0x2c, 0x20, 0x56, 0x65, 0x72, + 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x31, 0x32, 0x2e, 0x32, 0x28, 0x34, 0x36, + 0x29, 0x2c, 0x20, 0x52, 0x45, 0x4c, 0x45, 0x41, 0x53, 0x45, 0x20, 0x53, + 0x4f, 0x46, 0x54, 0x57, 0x41, 0x52, 0x45, 0x20, 0x28, 0x66, 0x63, 0x31, + 0x29, 0x0a, 0x43, 0x6f, 0x70, 0x79, 0x72, 0x69, 0x67, 0x68, 0x74, 0x20, + 0x28, 0x63, 0x29, 0x20, 0x31, 0x39, 0x38, 0x36, 0x2d, 0x32, 0x30, 0x30, + 0x37, 0x20, 0x62, 0x79, 0x20, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, 0x53, + 0x79, 0x73, 0x74, 0x65, 0x6d, 0x73, 0x2c, 0x20, 0x49, 0x6e, 0x63, 0x2e, + 0x0a, 0x43, 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x64, 0x20, 0x54, 0x68, + 0x75, 0x20, 0x32, 0x36, 0x2d, 0x41, 0x70, 0x72, 0x2d, 0x30, 0x37, 0x20, + 0x32, 0x31, 0x3a, 0x35, 0x36, 0x20, 0x62, 0x79, 0x20, 0x70, 0x77, 0x61, + 0x64, 0x65, 0x00, 0x06, 0x00, 0x11, 0x63, 0x69, 0x73, 0x63, 0x6f, 0x20, + 0x37, 0x32, 0x30, 0x36, 0x56, 0x58, 0x52, 0x00, 0x02, 0x00, 0x11, 0x00, + 0x00, 0x00, 0x01, 0x01, 0x01, 0xcc, 0x00, 0x04, 0xac, 0x42, 0x37, 0x03, + 0x00, 0x03, 0x00, 0x13, 0x46, 0x61, 0x73, 0x74, 0x45, 0x74, 0x68, 0x65, + 0x72, 0x6e, 0x65, 0x74, 0x30, 0x2f, 0x30, 0x00, 0x04, 0x00, 0x08, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x0b, 0x00, 0x05, 0x00 }; + /* This is: +IEEE 802.3 Ethernet + Destination: CDP/VTP/DTP/PAgP/UDLD (01:00:0c:cc:cc:cc) + Source: ca:00:68:46:00:00 (ca:00:68:46:00:00) + Length: 304 +Logical-Link Control + DSAP: SNAP (0xaa) + IG Bit: Individual + SSAP: SNAP (0xaa) + CR Bit: Command + Control field: U, func=UI (0x03) + 000. 00.. = Command: Unnumbered Information (0x00) + .... ..11 = Frame type: Unnumbered frame (0x03) + Organization Code: Cisco (0x00000c) + PID: CDP (0x2000) +Cisco Discovery Protocol + Version: 2 + TTL: 180 seconds + Checksum: 0x5427 [correct] + [Good: True] + [Bad : False] + Device ID: rtbg6test01 + Type: Device ID (0x0001) + Length: 15 + Device ID: rtbg6test01 + Software Version + Type: Software version (0x0005) + Length: 211 + Software Version: Cisco Internetwork Operating System Software + IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE +SOFTWARE (fc1) Copyright (c) 1986-2007 by cisco Systems, Inc. Compiled Thu 26-Apr-07 +21:56 by pwade Platform: cisco 7206VXR Type: Platform (0x0006) Length: 17 Platform: +cisco 7206VXR Addresses Type: Addresses (0x0002) Length: 17 Number of addresses: 1 IP +address: 172.66.55.3 Protocol type: NLPID Protocol length: 1 Protocol: IP Address +length: 4 IP address: 172.66.55.3 Port ID: FastEthernet0/0 Type: Port ID (0x0003) + Length: 19 + Sent through Interface: FastEthernet0/0 + Capabilities + Type: Capabilities (0x0004) + Length: 8 + Capabilities: 0x00000000 + .... .... .... .... .... .... .... ...0 = Not a Router + .... .... .... .... .... .... .... ..0. = Not a Transparent Bridge + .... .... .... .... .... .... .... .0.. = Not a Source Route Bridge + .... .... .... .... .... .... .... 0... = Not a Switch + .... .... .... .... .... .... ...0 .... = Not a Host + .... .... .... .... .... .... ..0. .... = Not IGMP capable + .... .... .... .... .... .... .0.. .... = Not a Repeater + Duplex: Half + Type: Duplex (0x000b) + Length: 5 + Duplex: Half + */ + struct lldpd_chassis *nchassis = NULL; + struct lldpd_port *nport = NULL; + + fail_unless(cdpv2_guess(pkt1, sizeof(pkt1))); + fail_unless( + cdp_decode(NULL, pkt1, sizeof(pkt1), &hardware, &nchassis, &nport) != -1); + if (!nchassis || !nport) { + fail("unable to decode packet"); + return; + } + ck_assert_int_eq(nchassis->c_id_subtype, LLDP_CHASSISID_SUBTYPE_LOCAL); + ck_assert_int_eq(nchassis->c_id_len, strlen("rtbg6test01")); + fail_unless(memcmp(nchassis->c_id, "rtbg6test01", strlen("rtbg6test01")) == 0); + ck_assert_str_eq(nchassis->c_name, "rtbg6test01"); + ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_addr.inet.s_addr, + (u_int32_t)inet_addr("172.66.55.3")); + ck_assert_int_eq(TAILQ_FIRST(&nchassis->c_mgmt)->m_iface, 0); + ck_assert_int_eq(nport->p_id_subtype, LLDP_PORTID_SUBTYPE_IFNAME); + ck_assert_int_eq(nport->p_id_len, strlen("FastEthernet0/0")); + fail_unless( + memcmp(nport->p_id, "FastEthernet0/0", strlen("FastEthernet0/0")) == 0); + ck_assert_str_eq(nport->p_descr, "FastEthernet0/0"); + ck_assert_int_eq(nchassis->c_cap_enabled, LLDP_CAP_STATION); + ck_assert_str_eq(nchassis->c_descr, + "cisco 7206VXR running on\n" + "Cisco Internetwork Operating System Software \n" + "IOS (tm) 7200 Software (C7200-P-M), Version 12.2(46), RELEASE SOFTWARE (fc1)\n" + "Copyright (c) 1986-2007 by cisco Systems, Inc.\n" + "Compiled Thu 26-Apr-07 21:56 by pwade"); +} +END_TEST + +#endif + +static Suite * +cdp_suite(void) +{ + Suite *s = suite_create("CDP"); + +#ifdef ENABLE_CDP + TCase *tc_send = tcase_create("Send CDP packets"); + TCase *tc_receive = tcase_create("Receive CDP packets"); + + tcase_add_checked_fixture(tc_send, pcap_setup, pcap_teardown); + tcase_add_test(tc_send, test_send_cdpv1); + tcase_add_test(tc_send, test_send_cdpv2); + suite_add_tcase(s, tc_send); + + tcase_add_test(tc_receive, test_recv_cdpv1); + tcase_add_test(tc_receive, test_recv_cdpv2); + suite_add_tcase(s, tc_receive); +#endif + + return s; +} + +int +main() +{ + int number_failed; + Suite *s = cdp_suite(); + SRunner *sr = srunner_create(s); + srunner_set_fork_status(sr, CK_NOFORK); /* Can't fork because + we need to write + files */ + srunner_run_all(sr, CK_ENV); + number_failed = srunner_ntests_failed(sr); + srunner_free(sr); + return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE; +} |