From 55944e5e40b1be2afc4855d8d2baf4b73d1876b5 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:49:52 +0200 Subject: Adding upstream version 255.4. Signed-off-by: Daniel Baumann --- src/libsystemd-network/test-dhcp6-client.c | 1127 ++++++++++++++++++++++++++++ 1 file changed, 1127 insertions(+) create mode 100644 src/libsystemd-network/test-dhcp6-client.c (limited to 'src/libsystemd-network/test-dhcp6-client.c') diff --git a/src/libsystemd-network/test-dhcp6-client.c b/src/libsystemd-network/test-dhcp6-client.c new file mode 100644 index 0000000..ae3cdb8 --- /dev/null +++ b/src/libsystemd-network/test-dhcp6-client.c @@ -0,0 +1,1127 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/*** + Copyright © 2014 Intel Corporation. All rights reserved. +***/ + +#include +#include +#include +#include +#include +#include + +#include "sd-dhcp6-client.h" +#include "sd-event.h" + +#include "dhcp-identifier.h" +#include "dhcp6-internal.h" +#include "dhcp6-lease-internal.h" +#include "dhcp6-protocol.h" +#include "fd-util.h" +#include "macro.h" +#include "memory-util.h" +#include "socket-util.h" +#include "string-util.h" +#include "strv.h" +#include "tests.h" +#include "time-util.h" + +#define DHCP6_CLIENT_EVENT_TEST_ADVERTISED 77 +#define IA_ID_BYTES \ + 0x0e, 0xcf, 0xa3, 0x7d +#define IA_NA_ADDRESS1_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x78, 0xee, 0x1c, 0xf3, 0x09, 0x3c, 0x55, 0xad +#define IA_NA_ADDRESS2_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x78, 0xee, 0x1c, 0xf3, 0x09, 0x3c, 0x55, 0xae +#define IA_PD_PREFIX1_BYTES \ + 0x2a, 0x02, 0x81, 0x0d, 0x98, 0x80, 0x37, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +#define IA_PD_PREFIX2_BYTES \ + 0x2a, 0x02, 0x81, 0x0d, 0x98, 0x80, 0x37, 0xc1, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 +#define DNS1_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 +#define DNS2_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 +#define SNTP1_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03 +#define SNTP2_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04 +#define NTP1_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05 +#define NTP2_BYTES \ + 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06 +#define CLIENT_ID_BYTES \ + 0x00, 0x02, 0x00, 0x00, 0xab, 0x11, 0x61, 0x77, 0x40, 0xde, 0x13, 0x42, 0xc3, 0xa2 +#define SERVER_ID_BYTES \ + 0x00, 0x01, 0x00, 0x01, 0x19, 0x40, 0x5c, 0x53, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53 +#define VENDOR_SUBOPTION_BYTES \ + 0x01 + +static const struct in6_addr local_address = + { { { 0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, } } }; +static const struct in6_addr mcast_address = + IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT; +static const struct in6_addr ia_na_address1 = { { { IA_NA_ADDRESS1_BYTES } } }; +static const struct in6_addr ia_na_address2 = { { { IA_NA_ADDRESS2_BYTES } } }; +static const struct in6_addr ia_pd_prefix1 = { { { IA_PD_PREFIX1_BYTES } } }; +static const struct in6_addr ia_pd_prefix2 = { { { IA_PD_PREFIX2_BYTES } } }; +static const struct in6_addr dns1 = { { { DNS1_BYTES } } }; +static const struct in6_addr dns2 = { { { DNS2_BYTES } } }; +static const struct in6_addr sntp1 = { { { SNTP1_BYTES } } }; +static const struct in6_addr sntp2 = { { { SNTP2_BYTES } } }; +static const struct in6_addr ntp1 = { { { NTP1_BYTES } } }; +static const struct in6_addr ntp2 = { { { NTP2_BYTES } } }; +static const uint8_t client_id[] = { CLIENT_ID_BYTES }; +static const uint8_t server_id[] = { SERVER_ID_BYTES }; +static uint8_t vendor_suboption_data[] = { VENDOR_SUBOPTION_BYTES }; +static const struct ether_addr mac = { + .ether_addr_octet = { 'A', 'B', 'C', '1', '2', '3' }, +}; +static int test_fd[2] = EBADF_PAIR; +static sd_dhcp6_option vendor_suboption = { + .n_ref = 1, + .enterprise_identifier = 32, + .option = 247, + .data = vendor_suboption_data, + .length = 1, +}; +static int test_ifindex = 42; +static unsigned test_client_sent_message_count = 0; +static sd_dhcp6_client *client_ref = NULL; + +TEST(client_basic) { + _cleanup_(sd_dhcp6_client_unrefp) sd_dhcp6_client *client = NULL; + int v; + + assert_se(sd_dhcp6_client_new(&client) >= 0); + assert_se(client); + + assert_se(sd_dhcp6_client_set_ifindex(client, 15) == 0); + assert_se(sd_dhcp6_client_set_ifindex(client, 42) >= 0); + + assert_se(sd_dhcp6_client_set_mac(client, mac.ether_addr_octet, sizeof(mac), ARPHRD_ETHER) >= 0); + + assert_se(sd_dhcp6_client_set_fqdn(client, "host") == 1); + assert_se(sd_dhcp6_client_set_fqdn(client, "host.domain") == 1); + assert_se(sd_dhcp6_client_set_fqdn(client, NULL) == 1); + assert_se(sd_dhcp6_client_set_fqdn(client, "~host") == -EINVAL); + assert_se(sd_dhcp6_client_set_fqdn(client, "~host.domain") == -EINVAL); + + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_CLIENTID) == -EINVAL); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DNS_SERVER) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NTP_SERVER) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_SNTP_SERVER) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_VENDOR_OPTS) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DOMAIN) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, 10) == -EINVAL); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NIS_SERVER) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NISP_SERVER) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NIS_SERVER) == -EEXIST); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NISP_SERVER) == -EEXIST); + + assert_se(sd_dhcp6_client_set_information_request(client, 1) >= 0); + v = 0; + assert_se(sd_dhcp6_client_get_information_request(client, &v) >= 0); + assert_se(v); + assert_se(sd_dhcp6_client_set_information_request(client, 0) >= 0); + v = 42; + assert_se(sd_dhcp6_client_get_information_request(client, &v) >= 0); + assert_se(v == 0); + + v = 0; + assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0); + assert_se(v); + v = 0; + assert_se(sd_dhcp6_client_set_address_request(client, 1) >= 0); + assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0); + assert_se(v); + v = 42; + assert_se(sd_dhcp6_client_set_address_request(client, 1) >= 0); + assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0); + assert_se(v); + + assert_se(sd_dhcp6_client_set_address_request(client, 1) >= 0); + assert_se(sd_dhcp6_client_set_prefix_delegation(client, 1) >= 0); + v = 0; + assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0); + assert_se(v); + v = 0; + assert_se(sd_dhcp6_client_get_prefix_delegation(client, &v) >= 0); + assert_se(v); + + assert_se(sd_dhcp6_client_set_callback(client, NULL, NULL) >= 0); + + assert_se(sd_dhcp6_client_detach_event(client) >= 0); +} + +TEST(parse_domain) { + _cleanup_free_ char *domain = NULL; + _cleanup_strv_free_ char **list = NULL; + uint8_t *data; + + data = (uint8_t []) { 7, 'e', 'x', 'a', 'm', 'p', 'l', 'e', 3, 'c', 'o', 'm', 0 }; + assert_se(dhcp6_option_parse_domainname(data, 13, &domain) >= 0); + assert_se(domain); + assert_se(streq(domain, "example.com")); + domain = mfree(domain); + + data = (uint8_t []) { 4, 't', 'e', 's', 't' }; + assert_se(dhcp6_option_parse_domainname(data, 5, &domain) >= 0); + assert_se(domain); + assert_se(streq(domain, "test")); + domain = mfree(domain); + + data = (uint8_t []) { 0 }; + assert_se(dhcp6_option_parse_domainname(data, 1, &domain) < 0); + + data = (uint8_t []) { 7, 'e', 'x', 'a', 'm', 'p', 'l', 'e', 3, 'c', 'o', 'm', 0, + 6, 'f', 'o', 'o', 'b', 'a', 'r', 0 }; + assert_se(dhcp6_option_parse_domainname_list(data, 21, &list) >= 0); + assert_se(list); + assert_se(streq(list[0], "example.com")); + assert_se(streq(list[1], "foobar")); + assert_se(!list[2]); + list = strv_free(list); + + data = (uint8_t []) { 1, 'a', 0, 20, 'b', 'c' }; + assert_se(dhcp6_option_parse_domainname_list(data, 6, &list) < 0); + + data = (uint8_t []) { 0 , 0 }; + assert_se(dhcp6_option_parse_domainname_list(data, 2, &list) < 0); +} + +TEST(option) { + static const uint8_t packet[] = { + 'F', 'O', 'O', 'H', 'O', 'G', 'E', + 0x00, SD_DHCP6_OPTION_ORO, 0x00, 0x07, + 'A', 'B', 'C', 'D', 'E', 'F', 'G', + 0x00, SD_DHCP6_OPTION_VENDOR_CLASS, 0x00, 0x09, + '1', '2', '3', '4', '5', '6', '7', '8', '9', + 'B', 'A', 'R', + }; + static const uint8_t result[] = { + 'F', 'O', 'O', 'H', 'O', 'G', 'E', + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 'B', 'A', 'R', + }; + _cleanup_free_ uint8_t *buf = NULL; + size_t offset, pos, optlen; + const uint8_t *optval; + uint16_t optcode; + + assert_se(sizeof(packet) == sizeof(result)); + + offset = 0; + assert_se(dhcp6_option_parse(packet, 0, &offset, &optcode, &optlen, &optval) == -EBADMSG); + + offset = 3; + assert_se(dhcp6_option_parse(packet, 0, &offset, &optcode, &optlen, &optval) == -EBADMSG); + + /* Tests for reading unaligned data. */ + assert_se(buf = new(uint8_t, sizeof(packet))); + for (size_t i = 0; i <= 7; i++) { + memcpy(buf, packet + i, sizeof(packet) - i); + offset = 7 - i; + assert_se(dhcp6_option_parse(buf, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0); + + assert_se(optcode == SD_DHCP6_OPTION_ORO); + assert_se(optlen == 7); + assert_se(optval == buf + 11 - i); + } + + offset = 7; + assert_se(dhcp6_option_parse(packet, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0); + + assert_se(optcode == SD_DHCP6_OPTION_ORO); + assert_se(optlen == 7); + assert_se(optval == packet + 11); + + free(buf); + assert_se(buf = memdup(result, sizeof(result))); + pos = 7; + assert_se(dhcp6_option_append(&buf, &pos, optcode, optlen, optval) >= 0); + + assert_se(dhcp6_option_parse(packet, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0); + + assert_se(optcode == SD_DHCP6_OPTION_VENDOR_CLASS); + assert_se(optlen == 9); + assert_se(optval == packet + 22); + + assert_se(dhcp6_option_append(&buf, &pos, optcode, optlen, optval) >= 0); + + assert_se(memcmp(packet, buf, sizeof(packet)) == 0); +} + +TEST(option_status) { + uint8_t option1[] = { + /* IA NA */ + 0x00, 0x03, 0x00, 0x12, 0x1a, 0x1d, 0x1a, 0x1d, + 0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02, + /* status option */ + 0x00, 0x0d, 0x00, 0x02, 0x00, 0x01, + }; + static const uint8_t option2[] = { + /* IA NA */ + 0x00, 0x03, 0x00, 0x2e, 0x1a, 0x1d, 0x1a, 0x1d, + 0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02, + /* IA Addr */ + 0x00, 0x05, 0x00, 0x1e, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, + 0x01, 0x02, 0x03, 0x04, 0x0a, 0x0b, 0x0c, 0x0d, + /* IA address status option */ + 0x00, 0x0d, 0x00, 0x02, 0x00, 0x01, + }; + static const uint8_t option3[] = { + /* IA NA */ + 0x00, 0x03, 0x00, 0x34, 0x1a, 0x1d, 0x1a, 0x1d, + 0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02, + /* IA Addr */ + 0x00, 0x05, 0x00, 0x24, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10, + 0x01, 0x02, 0x03, 0x04, 0x0a, 0x0b, 0x0c, 0x0d, + /* IA address status option */ + 0x00, 0x0d, 0x00, 0x08, 0x00, 0x00, 'f', 'o', + 'o', 'b', 'a', 'r', + }; + static const uint8_t option4[] = { + /* IA PD */ + 0x00, 0x19, 0x00, 0x2f, 0x1a, 0x1d, 0x1a, 0x1d, + 0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02, + /* IA PD Prefix */ + 0x00, 0x1a, 0x00, 0x1f, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x80, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, + 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, + /* PD prefix status option */ + 0x00, 0x0d, 0x00, 0x02, 0x00, 0x00, + }; + static const uint8_t option5[] = { + /* IA PD */ + 0x00, 0x19, 0x00, 0x52, 0x1a, 0x1d, 0x1a, 0x1d, + 0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02, + /* IA PD Prefix #1 */ + 0x00, 0x1a, 0x00, 0x1f, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x80, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, + 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, + /* PD prefix status option */ + 0x00, 0x0d, 0x00, 0x02, 0x00, 0x00, + /* IA PD Prefix #2 */ + 0x00, 0x1a, 0x00, 0x1f, + 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, + 0x80, 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x0l, 0xd0, + 0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, + /* PD prefix status option */ + 0x00, 0x0d, 0x00, 0x02, 0x00, 0x00, + }; + _cleanup_(dhcp6_ia_freep) DHCP6IA *ia = NULL; + DHCP6Option *option; + be32_t iaid; + int r; + + memcpy(&iaid, option1 + 4, sizeof(iaid)); + + option = (DHCP6Option*) option1; + assert_se(sizeof(option1) == sizeof(DHCP6Option) + be16toh(option->len)); + + r = dhcp6_option_parse_ia(NULL, 0, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r == -ENOANO); + + r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r == -EINVAL); + + option->len = htobe16(17); + r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r == -EBADMSG); + + option->len = htobe16(sizeof(DHCP6Option)); + r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r == -EBADMSG); + + option = (DHCP6Option*) option2; + assert_se(sizeof(option2) == sizeof(DHCP6Option) + be16toh(option->len)); + r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r == -ENODATA); + + option = (DHCP6Option*) option3; + assert_se(sizeof(option3) == sizeof(DHCP6Option) + be16toh(option->len)); + r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r >= 0); + assert_se(ia); + assert_se(ia->addresses); + ia = dhcp6_ia_free(ia); + + option = (DHCP6Option*) option4; + assert_se(sizeof(option4) == sizeof(DHCP6Option) + be16toh(option->len)); + r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r >= 0); + assert_se(ia); + assert_se(ia->addresses); + assert_se(memcmp(&ia->header.id, &option4[4], 4) == 0); + assert_se(memcmp(&ia->header.lifetime_t1, &option4[8], 4) == 0); + assert_se(memcmp(&ia->header.lifetime_t2, &option4[12], 4) == 0); + ia = dhcp6_ia_free(ia); + + option = (DHCP6Option*) option5; + assert_se(sizeof(option5) == sizeof(DHCP6Option) + be16toh(option->len)); + r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia); + assert_se(r >= 0); + assert_se(ia); + assert_se(ia->addresses); + ia = dhcp6_ia_free(ia); +} + +TEST(client_parse_message_issue_22099) { + static const uint8_t msg[] = { + /* Message type */ + DHCP6_MESSAGE_REPLY, + /* Transaction ID */ + 0x7c, 0x4c, 0x16, + /* Rapid commit */ + 0x00, SD_DHCP6_OPTION_RAPID_COMMIT, 0x00, 0x00, + /* NTP servers */ + 0x00, SD_DHCP6_OPTION_NTP_SERVER, 0x00, 0x14, + /* NTP server (broken sub option and sub option length) */ + 0x01, 0x00, 0x10, 0x00, + 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0x15, 0xc8, 0xff, 0xfe, 0xef, 0x1e, 0x4e, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + 0x00, 0x02, /* DUID-EN */ + 0x00, 0x00, 0xab, 0x11, /* pen */ + 0x5c, 0x6b, 0x90, 0xec, 0xda, 0x95, 0x15, 0x45, /* id */ + /* Server ID */ + 0x00, SD_DHCP6_OPTION_SERVERID, 0x00, 0x0a, + 0x00, 0x03, /* DUID-LL */ + 0x00, 0x01, /* htype */ + 0xdc, 0x15, 0xc8, 0xef, 0x1e, 0x4e, /* haddr */ + /* preference */ + 0x00, SD_DHCP6_OPTION_PREFERENCE, 0x00, 0x01, + 0x00, + /* DNS servers */ + 0x00, SD_DHCP6_OPTION_DNS_SERVER, 0x00, 0x10, + 0xfd, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xde, 0x15, 0xc8, 0xff, 0xfe, 0xef, 0x1e, 0x4e, + /* v6 pcp server */ + 0x00, SD_DHCP6_OPTION_V6_PCP_SERVER, 0x00, 0x10, + 0x2a, 0x02, 0x81, 0x0d, 0x98, 0x80, 0x37, 0x00, 0xde, 0x15, 0xc8, 0xff, 0xfe, 0xef, 0x1e, 0x4e, + /* IA_NA */ + 0x00, SD_DHCP6_OPTION_IA_NA, 0x00, 0x28, + 0xcc, 0x59, 0x11, 0x7b, /* iaid */ + 0x00, 0x00, 0x07, 0x08, /* lifetime T1 */ + 0x00, 0x00, 0x0b, 0x40, /* lifetime T2 */ + /* IA_NA (iaaddr suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + 0x2a, 0x02, 0x81, 0x0d, 0x98, 0x80, 0x37, 0x00, 0x6a, 0x05, 0xca, 0xff, 0xfe, 0xf1, 0x51, 0x53, /* address */ + 0x00, 0x00, 0x0e, 0x10, /* preferred lifetime */ + 0x00, 0x00, 0x1c, 0x20, /* valid lifetime */ + /* IA_PD */ + 0x00, SD_DHCP6_OPTION_IA_PD, 0x00, 0x29, + 0xcc, 0x59, 0x11, 0x7b, /* iaid */ + 0x00, 0x00, 0x07, 0x08, /* lifetime T1 */ + 0x00, 0x00, 0x0b, 0x40, /* lifetime T2 */ + /* IA_PD (iaprefix suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x0e, 0x10, /* preferred lifetime */ + 0x00, 0x00, 0x1c, 0x20, /* valid lifetime */ + 0x3a, /* prefixlen */ + 0x2a, 0x02, 0x81, 0x0d, 0x98, 0x80, 0x37, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* prefix */ + }; + static const uint8_t duid[] = { + 0x00, 0x00, 0xab, 0x11, 0x5c, 0x6b, 0x90, 0xec, 0xda, 0x95, 0x15, 0x45, + }; + _cleanup_(sd_dhcp6_client_unrefp) sd_dhcp6_client *client = NULL; + _cleanup_(sd_dhcp6_lease_unrefp) sd_dhcp6_lease *lease = NULL; + + assert_se(sd_dhcp6_client_new(&client) >= 0); + assert_se(sd_dhcp6_client_set_iaid(client, 0xcc59117b) >= 0); + assert_se(sd_dhcp6_client_set_duid_raw(client, 2, duid, sizeof(duid)) >= 0); + + assert_se(dhcp6_lease_new_from_message(client, (const DHCP6Message*) msg, sizeof(msg), NULL, NULL, &lease) >= 0); +} + +TEST(client_parse_message_issue_24002) { + static const uint8_t msg[] = { + /* Message Type */ + 0x07, + /* Transaction ID */ + 0x0e, 0xa5, 0x7c, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + 0x00, 0x02, /* DUID-EN */ + 0x00, 0x00, 0xab, 0x11, /* pen */ + 0x5c, 0x6b, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, /* id */ + /* Server ID */ + 0x00, 0x02, 0x00, 0x1a, + 0x00, 0x02, 0x00, 0x00, 0x05, 0x83, 0x30, 0x63, 0x3a, 0x38, 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, + 0x66, 0x77, 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, + /* IA_PD */ + 0x00, 0x19, 0x00, 0x29, + 0xaa, 0xbb, 0xcc, 0xdd, /* iaid */ + 0x00, 0x00, 0x03, 0x84, /* lifetime (T1) */ + 0x00, 0x00, 0x05, 0xa0, /* lifetime (T2) */ + /* IA_PD (iaprefix suboption) */ + 0x00, 0x1a, 0x00, 0x19, + 0x00, 0x00, 0x07, 0x08, /* preferred lifetime */ + 0x00, 0x00, 0x38, 0x40, /* valid lifetime */ + 0x38, /* prefixlen */ + 0x20, 0x03, 0x00, 0xff, 0xaa, 0xbb, 0xcc, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* prefix */ + /* Rapid commit */ + 0x00, 0x0e, 0x00, 0x00, + /* Trailing invalid byte at the end. See issue #28183. */ + 00, + }; + static const uint8_t duid[] = { + 0x00, 0x00, 0xab, 0x11, 0x5c, 0x6b, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff, + }; + _cleanup_(sd_dhcp6_client_unrefp) sd_dhcp6_client *client = NULL; + _cleanup_(sd_dhcp6_lease_unrefp) sd_dhcp6_lease *lease = NULL; + + assert_se(sd_dhcp6_client_new(&client) >= 0); + assert_se(sd_dhcp6_client_set_iaid(client, 0xaabbccdd) >= 0); + assert_se(sd_dhcp6_client_set_duid_raw(client, 2, duid, sizeof(duid)) >= 0); + + assert_se(dhcp6_lease_new_from_message(client, (const DHCP6Message*) msg, sizeof(msg), NULL, NULL, &lease) >= 0); +} + +static const uint8_t msg_information_request[] = { + /* Message type */ + DHCP6_MESSAGE_INFORMATION_REQUEST, + /* Transaction ID */ + 0x0f, 0xb4, 0xe5, + /* MUD URL */ + /* ORO */ + 0x00, SD_DHCP6_OPTION_ORO, 0x00, 0x0c, + 0x00, SD_DHCP6_OPTION_DNS_SERVER, + 0x00, SD_DHCP6_OPTION_DOMAIN, + 0x00, SD_DHCP6_OPTION_SNTP_SERVER, + 0x00, SD_DHCP6_OPTION_INFORMATION_REFRESH_TIME, + 0x00, SD_DHCP6_OPTION_NTP_SERVER, + 0x00, SD_DHCP6_OPTION_INF_MAX_RT, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + CLIENT_ID_BYTES, + /* Extra options */ + /* Elapsed time */ + 0x00, SD_DHCP6_OPTION_ELAPSED_TIME, 0x00, 0x02, + 0x00, 0x00, +}; + +static const uint8_t msg_solicit[] = { + /* Message type */ + DHCP6_MESSAGE_SOLICIT, + /* Transaction ID */ + 0x0f, 0xb4, 0xe5, + /* Rapid commit */ + 0x00, SD_DHCP6_OPTION_RAPID_COMMIT, 0x00, 0x00, + /* IA_NA */ + 0x00, SD_DHCP6_OPTION_IA_NA, 0x00, 0x0c, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x00, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x00, /* lifetime T2 */ + /* IA_PD */ + 0x00, SD_DHCP6_OPTION_IA_PD, 0x00, 0x0c, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x00, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x00, /* lifetime T2 */ + /* Client FQDN */ + 0x00, SD_DHCP6_OPTION_CLIENT_FQDN, 0x00, 0x11, + DHCP6_FQDN_FLAG_S, + 0x04, 'h', 'o', 's', 't', 0x03, 'l', 'a', 'b', 0x05, 'i', 'n', 't', 'r', 'a', 0x00, + /* User Class */ + /* Vendor Class */ + /* Vendor Options */ + /* MUD URL */ + /* ORO */ + 0x00, SD_DHCP6_OPTION_ORO, 0x00, 0x0a, + 0x00, SD_DHCP6_OPTION_DNS_SERVER, + 0x00, SD_DHCP6_OPTION_DOMAIN, + 0x00, SD_DHCP6_OPTION_SNTP_SERVER, + 0x00, SD_DHCP6_OPTION_NTP_SERVER, + 0x00, SD_DHCP6_OPTION_SOL_MAX_RT, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + CLIENT_ID_BYTES, + /* Extra options */ + /* Elapsed time */ + 0x00, SD_DHCP6_OPTION_ELAPSED_TIME, 0x00, 0x02, + 0x00, 0x00, +}; + +static const uint8_t msg_request[] = { + /* Message type */ + DHCP6_MESSAGE_REQUEST, + /* Transaction ID */ + 0x00, 0x00, 0x00, + /* Server ID */ + 0x00, SD_DHCP6_OPTION_SERVERID, 0x00, 0x0e, + SERVER_ID_BYTES, + /* IA_NA */ + 0x00, SD_DHCP6_OPTION_IA_NA, 0x00, 0x44, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x00, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x00, /* lifetime T2 */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS1_BYTES, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS2_BYTES, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + /* IA_PD */ + 0x00, SD_DHCP6_OPTION_IA_PD, 0x00, 0x46, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x00, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x00, /* lifetime T2 */ + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX1_BYTES, + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX2_BYTES, + /* Client FQDN */ + 0x00, SD_DHCP6_OPTION_CLIENT_FQDN, 0x00, 0x11, + DHCP6_FQDN_FLAG_S, + 0x04, 'h', 'o', 's', 't', 0x03, 'l', 'a', 'b', 0x05, 'i', 'n', 't', 'r', 'a', 0x00, + /* User Class */ + /* Vendor Class */ + /* Vendor Options */ + /* MUD URL */ + /* ORO */ + 0x00, SD_DHCP6_OPTION_ORO, 0x00, 0x08, + 0x00, SD_DHCP6_OPTION_DNS_SERVER, + 0x00, SD_DHCP6_OPTION_DOMAIN, + 0x00, SD_DHCP6_OPTION_SNTP_SERVER, + 0x00, SD_DHCP6_OPTION_NTP_SERVER, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + CLIENT_ID_BYTES, + /* Extra options */ + /* Elapsed time */ + 0x00, SD_DHCP6_OPTION_ELAPSED_TIME, 0x00, 0x02, + 0x00, 0x00, +}; + +/* RFC 3315 section 18.1.6. The DHCP6 Release message must include: + - transaction id + - server identifier + - client identifier + - all released IA with addresses included + - elapsed time (required for all messages). + All other options aren't required. */ +static const uint8_t msg_release[] = { + /* Message type */ + DHCP6_MESSAGE_RELEASE, + /* Transaction ID */ + 0x00, 0x00, 0x00, + /* Server ID */ + 0x00, SD_DHCP6_OPTION_SERVERID, 0x00, 0x0e, + SERVER_ID_BYTES, + /* IA_NA */ + 0x00, SD_DHCP6_OPTION_IA_NA, 0x00, 0x44, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x00, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x00, /* lifetime T2 */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS1_BYTES, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS2_BYTES, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + /* IA_PD */ + 0x00, SD_DHCP6_OPTION_IA_PD, 0x00, 0x46, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x00, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x00, /* lifetime T2 */ + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX1_BYTES, + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x00, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0x00, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX2_BYTES, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + CLIENT_ID_BYTES, + /* Extra options */ + /* Elapsed time */ + 0x00, SD_DHCP6_OPTION_ELAPSED_TIME, 0x00, 0x02, + 0x00, 0x00, +}; + +static const uint8_t msg_reply[] = { + /* Message type */ + DHCP6_MESSAGE_REPLY, + /* Transaction ID */ + 0x0f, 0xb4, 0xe5, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + CLIENT_ID_BYTES, + /* Server ID */ + 0x00, SD_DHCP6_OPTION_SERVERID, 0x00, 0x0e, + SERVER_ID_BYTES, + /* Rapid commit */ + 0x00, SD_DHCP6_OPTION_RAPID_COMMIT, 0x00, 0x01, + 0x00, + /* IA_NA */ + 0x00, SD_DHCP6_OPTION_IA_NA, 0x00, 0x66, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x50, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x78, /* lifetime T2 */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS2_BYTES, + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS1_BYTES, + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + /* IA_NA (status code suboption) */ + 0x00, SD_DHCP6_OPTION_STATUS_CODE, 0x00, 0x1e, + 0x00, 0x00, /* status code */ + 0x41, 0x6c, 0x6c, 0x20, 0x61, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x65, 0x73, 0x20, 0x77, 0x65, + 0x72, 0x65, 0x20, 0x61, 0x73, 0x73, 0x69, 0x67, 0x6e, 0x65, 0x64, 0x2e, /* status message */ + /* IA_PD */ + 0x00, SD_DHCP6_OPTION_IA_PD, 0x00, 0x46, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x50, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x78, /* lifetime T2 */ + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX2_BYTES, + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX1_BYTES, + /* DNS servers */ + 0x00, SD_DHCP6_OPTION_DNS_SERVER, 0x00, 0x20, + DNS1_BYTES, + DNS2_BYTES, + /* SNTP servers */ + 0x00, SD_DHCP6_OPTION_SNTP_SERVER, 0x00, 0x20, + SNTP1_BYTES, + SNTP2_BYTES, + /* NTP servers */ + 0x00, SD_DHCP6_OPTION_NTP_SERVER, 0x00, 0x37, + /* NTP server (address suboption) */ + 0x00, DHCP6_NTP_SUBOPTION_SRV_ADDR, 0x00, 0x10, + NTP1_BYTES, + /* NTP server (address suboption) */ + 0x00, DHCP6_NTP_SUBOPTION_SRV_ADDR, 0x00, 0x10, + NTP2_BYTES, + /* NTP server (fqdn suboption) */ + 0x00, DHCP6_NTP_SUBOPTION_SRV_FQDN, 0x00, 0x0b, + 0x03, 'n', 't', 'p', 0x05, 'i', 'n', 't', 'r', 'a', 0x00, + /* Domain list */ + 0x00, SD_DHCP6_OPTION_DOMAIN, 0x00, 0x0b, + 0x03, 'l', 'a', 'b', 0x05, 'i', 'n', 't', 'r', 'a', 0x00, + /* Client FQDN */ + 0x00, SD_DHCP6_OPTION_CLIENT_FQDN, 0x00, 0x12, + 0x01, 0x06, 'c', 'l', 'i', 'e', 'n', 't', 0x03, 'l', 'a', 'b', 0x05, 'i', 'n', 't', 'r', 'a', + /* Vendor specific options */ + 0x00, SD_DHCP6_OPTION_VENDOR_OPTS, 0x00, 0x09, + 0x00, 0x00, 0x00, 0x20, 0x00, 0xf7, 0x00, 0x01, VENDOR_SUBOPTION_BYTES, +}; + +static const uint8_t msg_advertise[] = { + /* Message type */ + DHCP6_MESSAGE_ADVERTISE, + /* Transaction ID */ + 0x0f, 0xb4, 0xe5, + /* Client ID */ + 0x00, SD_DHCP6_OPTION_CLIENTID, 0x00, 0x0e, + CLIENT_ID_BYTES, + /* Server ID */ + 0x00, SD_DHCP6_OPTION_SERVERID, 0x00, 0x0e, + SERVER_ID_BYTES, + /* Preference */ + 0x00, SD_DHCP6_OPTION_PREFERENCE, 0x00, 0x01, + 0xff, + /* IA_NA */ + 0x00, SD_DHCP6_OPTION_IA_NA, 0x00, 0x7a, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x50, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x78, /* lifetime T2 */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS2_BYTES, /* address */ + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + /* IA_NA (IAADDR suboption) */ + 0x00, SD_DHCP6_OPTION_IAADDR, 0x00, 0x18, + IA_NA_ADDRESS1_BYTES, /* address */ + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + /* IA_NA (status code suboption) */ + 0x00, SD_DHCP6_OPTION_STATUS_CODE, 0x00, 0x32, + 0x00, 0x00, /* status code */ + 0x41, 0x64, 0x64, 0x72, 0x65, 0x73, 0x73, 0x28, 0x65, 0x73, 0x29, 0x20, 0x72, 0x65, 0x6e, 0x65, + 0x77, 0x65, 0x64, 0x2e, 0x20, 0x47, 0x72, 0x65, 0x65, 0x74, 0x69, 0x6e, 0x67, 0x73, 0x20, 0x66, + 0x72, 0x6f, 0x6d, 0x20, 0x70, 0x6c, 0x61, 0x6e, 0x65, 0x74, 0x20, 0x45, 0x61, 0x72, 0x74, 0x68, /* status message */ + /* IA_PD */ + 0x00, SD_DHCP6_OPTION_IA_PD, 0x00, 0x46, + IA_ID_BYTES, + 0x00, 0x00, 0x00, 0x50, /* lifetime T1 */ + 0x00, 0x00, 0x00, 0x78, /* lifetime T2 */ + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX2_BYTES, + /* IA_PD (IA_PD_PREFIX suboption) */ + 0x00, SD_DHCP6_OPTION_IA_PD_PREFIX, 0x00, 0x19, + 0x00, 0x00, 0x00, 0x96, /* preferred lifetime */ + 0x00, 0x00, 0x00, 0xb4, /* valid lifetime */ + 0x40, /* prefixlen */ + IA_PD_PREFIX1_BYTES, + /* DNS servers */ + 0x00, SD_DHCP6_OPTION_DNS_SERVER, 0x00, 0x20, + DNS1_BYTES, + DNS2_BYTES, + /* SNTP servers */ + 0x00, SD_DHCP6_OPTION_SNTP_SERVER, 0x00, 0x20, + SNTP1_BYTES, + SNTP2_BYTES, + /* NTP servers */ + 0x00, SD_DHCP6_OPTION_NTP_SERVER, 0x00, 0x37, + /* NTP server (address suboption) */ + 0x00, DHCP6_NTP_SUBOPTION_SRV_ADDR, 0x00, 0x10, + NTP1_BYTES, + /* NTP server (address suboption) */ + 0x00, DHCP6_NTP_SUBOPTION_SRV_ADDR, 0x00, 0x10, + NTP2_BYTES, + /* NTP server (fqdn suboption) */ + 0x00, DHCP6_NTP_SUBOPTION_SRV_FQDN, 0x00, 0x0b, + 0x03, 'n', 't', 'p', 0x05, 'i', 'n', 't', 'r', 'a', 0x00, + /* Domain list */ + 0x00, SD_DHCP6_OPTION_DOMAIN, 0x00, 0x0b, + 0x03, 'l', 'a', 'b', 0x05, 'i', 'n', 't', 'r', 'a', 0x00, + /* Client FQDN */ + 0x00, SD_DHCP6_OPTION_CLIENT_FQDN, 0x00, 0x12, + 0x01, 0x06, 'c', 'l', 'i', 'e', 'n', 't', 0x03, 'l', 'a', 'b', 0x05, 'i', 'n', 't', 'r', 'a', + /* Vendor specific options */ + 0x00, SD_DHCP6_OPTION_VENDOR_OPTS, 0x00, 0x09, + 0x00, 0x00, 0x00, 0x20, 0x00, 0xf7, 0x00, 0x01, VENDOR_SUBOPTION_BYTES, +}; + +static void test_client_verify_information_request(const DHCP6Message *msg, size_t len) { + log_debug("/* %s */", __func__); + + assert_se(len == sizeof(msg_information_request)); + /* The elapsed time value is not deterministic. Skip it. */ + assert_se(memcmp(msg, msg_information_request, len - sizeof(be16_t)) == 0); +} + +static void test_client_verify_solicit(const DHCP6Message *msg, size_t len) { + log_debug("/* %s */", __func__); + + assert_se(len == sizeof(msg_solicit)); + /* The elapsed time value is not deterministic. Skip it. */ + assert_se(memcmp(msg, msg_solicit, len - sizeof(be16_t)) == 0); +} + +static void test_client_verify_release(const DHCP6Message *msg, size_t len) { + log_debug("/* %s */", __func__); + + assert_se(len == sizeof(msg_release)); + assert_se(msg->type == DHCP6_MESSAGE_RELEASE); + /* The transaction ID and elapsed time value are not deterministic. Skip them. */ + assert_se(memcmp(msg->options, msg_release + offsetof(DHCP6Message, options), + len - offsetof(DHCP6Message, options) - sizeof(be16_t)) == 0); +} + +static void test_client_verify_request(const DHCP6Message *msg, size_t len) { + log_debug("/* %s */", __func__); + + assert_se(len == sizeof(msg_request)); + assert_se(msg->type == DHCP6_MESSAGE_REQUEST); + /* The transaction ID and elapsed time value are not deterministic. Skip them. */ + assert_se(memcmp(msg->options, msg_request + offsetof(DHCP6Message, options), + len - offsetof(DHCP6Message, options) - sizeof(be16_t)) == 0); +} + +static void test_lease_common(sd_dhcp6_client *client) { + sd_dhcp6_lease *lease; + sd_dhcp6_option **suboption; + const struct in6_addr *addrs; + const char *str; + char **strv; + uint8_t *id; + size_t len; + + assert_se(sd_dhcp6_client_get_lease(client, &lease) >= 0); + + assert_se(dhcp6_lease_get_clientid(lease, &id, &len) >= 0); + assert_se(memcmp_nn(id, len, client_id, sizeof(client_id)) == 0); + + assert_se(sd_dhcp6_lease_get_domains(lease, &strv) == 1); + assert_se(streq(strv[0], "lab.intra")); + assert_se(!strv[1]); + + assert_se(sd_dhcp6_lease_get_fqdn(lease, &str) >= 0); + assert_se(streq(str, "client.lab.intra")); + + assert_se(sd_dhcp6_lease_get_dns(lease, &addrs) == 2); + assert_se(in6_addr_equal(&addrs[0], &dns1)); + assert_se(in6_addr_equal(&addrs[1], &dns2)); + + assert_se(sd_dhcp6_lease_get_ntp_addrs(lease, &addrs) == 2); + assert_se(in6_addr_equal(&addrs[0], &ntp1)); + assert_se(in6_addr_equal(&addrs[1], &ntp2)); + + assert_se(sd_dhcp6_lease_get_ntp_fqdn(lease, &strv) == 1); + assert_se(streq(strv[0], "ntp.intra")); + assert_se(!strv[1]); + + assert_se(lease->sntp_count == 2); + assert_se(in6_addr_equal(&lease->sntp[0], &sntp1)); + assert_se(in6_addr_equal(&lease->sntp[1], &sntp2)); + + assert_se(sd_dhcp6_lease_get_vendor_options(lease, &suboption) > 0); + assert_se((*suboption)->enterprise_identifier == vendor_suboption.enterprise_identifier); + assert_se((*suboption)->option == vendor_suboption.option); + assert_se(*(uint8_t*)(*suboption)->data == *(uint8_t*)vendor_suboption.data); +} + +static void test_lease_managed(sd_dhcp6_client *client) { + sd_dhcp6_lease *lease; + struct in6_addr addr; + usec_t lt_pref, lt_valid; + uint8_t *id, prefixlen; + size_t len; + + assert_se(sd_dhcp6_client_get_lease(client, &lease) >= 0); + + assert_se(dhcp6_lease_get_serverid(lease, &id, &len) >= 0); + assert_se(memcmp_nn(id, len, server_id, sizeof(server_id)) == 0); + + assert_se(sd_dhcp6_lease_has_address(lease)); + assert_se(sd_dhcp6_lease_has_pd_prefix(lease)); + + for (unsigned i = 0; i < 2; i++) { + assert_se(sd_dhcp6_lease_address_iterator_reset(lease)); + assert_se(sd_dhcp6_lease_get_address(lease, &addr) >= 0); + assert_se(sd_dhcp6_lease_get_address_lifetime(lease, <_pref, <_valid) >= 0); + assert_se(in6_addr_equal(&addr, &ia_na_address1)); + assert_se(lt_pref == 150 * USEC_PER_SEC); + assert_se(lt_valid == 180 * USEC_PER_SEC); + assert_se(sd_dhcp6_lease_address_iterator_next(lease)); + assert_se(sd_dhcp6_lease_get_address(lease, &addr) >= 0); + assert_se(sd_dhcp6_lease_get_address_lifetime(lease, <_pref, <_valid) >= 0); + assert_se(in6_addr_equal(&addr, &ia_na_address2)); + assert_se(lt_pref == 150 * USEC_PER_SEC); + assert_se(lt_valid == 180 * USEC_PER_SEC); + assert_se(!sd_dhcp6_lease_address_iterator_next(lease)); + + assert_se(sd_dhcp6_lease_pd_iterator_reset(lease)); + assert_se(sd_dhcp6_lease_get_pd_prefix(lease, &addr, &prefixlen) >= 0); + assert_se(sd_dhcp6_lease_get_pd_lifetime(lease, <_pref, <_valid) >= 0); + assert_se(in6_addr_equal(&addr, &ia_pd_prefix1)); + assert_se(prefixlen == 64); + assert_se(lt_pref == 150 * USEC_PER_SEC); + assert_se(lt_valid == 180 * USEC_PER_SEC); + assert_se(sd_dhcp6_lease_pd_iterator_next(lease)); + assert_se(sd_dhcp6_lease_get_pd_prefix(lease, &addr, &prefixlen) >= 0); + assert_se(sd_dhcp6_lease_get_pd_lifetime(lease, <_pref, <_valid) >= 0); + assert_se(in6_addr_equal(&addr, &ia_pd_prefix2)); + assert_se(prefixlen == 64); + assert_se(lt_pref == 150 * USEC_PER_SEC); + assert_se(lt_valid == 180 * USEC_PER_SEC); + assert_se(!sd_dhcp6_lease_pd_iterator_next(lease)); + } + + test_lease_common(client); +} + +static void test_client_callback(sd_dhcp6_client *client, int event, void *userdata) { + switch (event) { + case SD_DHCP6_CLIENT_EVENT_STOP: + log_debug("/* %s (event=stop) */", __func__); + return; + + case SD_DHCP6_CLIENT_EVENT_INFORMATION_REQUEST: + log_debug("/* %s (event=information-request) */", __func__); + + assert_se(test_client_sent_message_count == 1); + + test_lease_common(client); + + assert_se(sd_dhcp6_client_set_information_request(client, false) >= 0); + assert_se(sd_dhcp6_client_start(client) >= 0); + assert_se(dhcp6_client_set_transaction_id(client, ((const DHCP6Message*) msg_advertise)->transaction_id) >= 0); + break; + + case SD_DHCP6_CLIENT_EVENT_IP_ACQUIRE: + log_debug("/* %s (event=ip-acquire) */", __func__); + + assert_se(IN_SET(test_client_sent_message_count, 3, 5)); + + test_lease_managed(client); + + switch (test_client_sent_message_count) { + case 3: + assert_se(sd_dhcp6_client_stop(client) >= 0); + assert_se(sd_dhcp6_client_start(client) >= 0); + assert_se(dhcp6_client_set_transaction_id(client, ((const DHCP6Message*) msg_reply)->transaction_id) >= 0); + break; + + case 5: + assert_se(sd_event_exit(sd_dhcp6_client_get_event(client), 0) >= 0); + break; + + default: + assert_not_reached(); + } + + break; + + case DHCP6_CLIENT_EVENT_TEST_ADVERTISED: { + sd_dhcp6_lease *lease; + uint8_t preference; + + log_debug("/* %s (event=test-advertised) */", __func__); + + assert_se(test_client_sent_message_count == 2); + + test_lease_managed(client); + + assert_se(sd_dhcp6_client_get_lease(client, &lease) >= 0); + assert_se(dhcp6_lease_get_preference(lease, &preference) >= 0); + assert_se(preference == 0xff); + + assert_se(dhcp6_client_set_transaction_id(client, ((const DHCP6Message*) msg_reply)->transaction_id) >= 0); + break; + } + default: + assert_not_reached(); + } +} + +int dhcp6_network_send_udp_socket(int s, struct in6_addr *a, const void *packet, size_t len) { + log_debug("/* %s(count=%u) */", __func__, test_client_sent_message_count); + + assert_se(a); + assert_se(in6_addr_equal(a, &mcast_address)); + assert_se(packet); + assert_se(len >= sizeof(DHCP6Message)); + + switch (test_client_sent_message_count) { + case 0: + test_client_verify_information_request(packet, len); + assert_se(write(test_fd[1], msg_reply, sizeof(msg_reply)) == sizeof(msg_reply)); + break; + + case 1: + test_client_verify_solicit(packet, len); + assert_se(write(test_fd[1], msg_advertise, sizeof(msg_advertise)) == sizeof(msg_advertise)); + break; + + case 2: + test_client_callback(client_ref, DHCP6_CLIENT_EVENT_TEST_ADVERTISED, NULL); + test_client_verify_request(packet, len); + assert_se(write(test_fd[1], msg_reply, sizeof(msg_reply)) == sizeof(msg_reply)); + break; + + case 3: + test_client_verify_release(packet, len); + /* when stopping, dhcp6 client doesn't wait for release server reply */ + assert_se(write(test_fd[1], msg_reply, sizeof(msg_reply)) == sizeof(msg_reply)); + break; + + case 4: + test_client_verify_solicit(packet, len); + assert_se(write(test_fd[1], msg_reply, sizeof(msg_reply)) == sizeof(msg_reply)); + break; + + default: + assert_not_reached(); + } + + test_client_sent_message_count++; + return len; +} + +int dhcp6_network_bind_udp_socket(int ifindex, struct in6_addr *a) { + assert_se(ifindex == test_ifindex); + assert_se(a); + assert_se(in6_addr_equal(a, &local_address)); + + assert_se(socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_fd) >= 0); + return TAKE_FD(test_fd[0]); +} + +TEST(dhcp6_client) { + _cleanup_(sd_dhcp6_client_unrefp) sd_dhcp6_client *client = NULL; + _cleanup_(sd_event_unrefp) sd_event *e = NULL; + + assert_se(sd_event_new(&e) >= 0); + assert_se(sd_event_add_time_relative(e, NULL, CLOCK_BOOTTIME, + 2 * USEC_PER_SEC, 0, + NULL, INT_TO_PTR(-ETIMEDOUT)) >= 0); + + assert_se(sd_dhcp6_client_new(&client) >= 0); + assert_se(sd_dhcp6_client_attach_event(client, e, 0) >= 0); + assert_se(sd_dhcp6_client_set_ifindex(client, test_ifindex) == 0); + assert_se(sd_dhcp6_client_set_local_address(client, &local_address) >= 0); + assert_se(sd_dhcp6_client_set_fqdn(client, "host.lab.intra") >= 0); + assert_se(sd_dhcp6_client_set_iaid(client, unaligned_read_be32((uint8_t[]) { IA_ID_BYTES })) >= 0); + assert_se(sd_dhcp6_client_set_send_release(client, true) >= 0); + + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DNS_SERVER) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DOMAIN) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NTP_SERVER) >= 0); + assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_SNTP_SERVER) >= 0); + + assert_se(sd_dhcp6_client_set_information_request(client, true) >= 0); + assert_se(sd_dhcp6_client_set_callback(client, test_client_callback, NULL) >= 0); + + assert_se(sd_dhcp6_client_start(client) >= 0); + + assert_se(dhcp6_client_set_transaction_id(client, ((const DHCP6Message*) msg_reply)->transaction_id) >= 0); + + assert_se(client_ref = sd_dhcp6_client_ref(client)); + + assert_se(sd_event_loop(e) >= 0); + + assert_se(test_client_sent_message_count == 5); + + assert_se(!sd_dhcp6_client_unref(client_ref)); + test_fd[1] = safe_close(test_fd[1]); +} + +static int intro(void) { + assert_se(setenv("SYSTEMD_NETWORK_TEST_MODE", "1", 1) >= 0); + return 0; +} + +DEFINE_TEST_MAIN_WITH_INTRO(LOG_DEBUG, intro); -- cgit v1.2.3