| /* SPDX-License-Identifier: LGPL-2.1-or-later */ |
| /*** |
| Copyright © 2014 Intel Corporation. All rights reserved. |
| ***/ |
| |
| #include <net/ethernet.h> |
| #include <net/if_arp.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #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" |
| |
| static struct ether_addr mac_addr = { |
| .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'} |
| }; |
| |
| static sd_event_source *hangcheck; |
| static int test_dhcp_fd[2]; |
| static int test_ifindex = 42; |
| static int test_client_message_num; |
| static be32_t test_iaid = 0; |
| static uint8_t test_duid[14] = { }; |
| |
| static int test_client_basic(sd_event *e) { |
| sd_dhcp6_client *client; |
| int v; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(sd_dhcp6_client_new(&client) >= 0); |
| assert_se(client); |
| |
| assert_se(sd_dhcp6_client_attach_event(client, e, 0) >= 0); |
| |
| assert_se(sd_dhcp6_client_set_ifindex(client, 15) == 0); |
| assert_se(sd_dhcp6_client_set_ifindex(client, -42) == -EINVAL); |
| assert_se(sd_dhcp6_client_set_ifindex(client, -1) == -EINVAL); |
| assert_se(sd_dhcp6_client_set_ifindex(client, 42) >= 0); |
| |
| assert_se(sd_dhcp6_client_set_mac(client, (const uint8_t *) &mac_addr, |
| sizeof (mac_addr), |
| 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) == 0); |
| assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DNS_SERVERS) == -EEXIST); |
| assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NTP_SERVER) == -EEXIST); |
| assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_SNTP_SERVERS) == -EEXIST); |
| assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DOMAIN_LIST) == -EEXIST); |
| assert_se(sd_dhcp6_client_set_request_option(client, 10) == 0); |
| |
| 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); |
| assert_se(!sd_dhcp6_client_unref(client)); |
| |
| return 0; |
| } |
| |
| static int test_parse_domain(sd_event *e) { |
| uint8_t *data; |
| char *domain; |
| char **list; |
| int r; |
| |
| log_debug("/* %s */", __func__); |
| |
| data = (uint8_t []) { 7, 'e', 'x', 'a', 'm', 'p', 'l', 'e', 3, 'c', 'o', 'm', 0 }; |
| r = dhcp6_option_parse_domainname(data, 13, &domain); |
| assert_se(r == 0); |
| assert_se(domain); |
| assert_se(streq(domain, "example.com")); |
| free(domain); |
| |
| data = (uint8_t []) { 4, 't', 'e', 's', 't' }; |
| r = dhcp6_option_parse_domainname(data, 5, &domain); |
| assert_se(r == 0); |
| assert_se(domain); |
| assert_se(streq(domain, "test")); |
| free(domain); |
| |
| data = (uint8_t []) { 0 }; |
| r = dhcp6_option_parse_domainname(data, 1, &domain); |
| assert_se(r < 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 }; |
| r = dhcp6_option_parse_domainname_list(data, 21, &list); |
| assert_se(r == 2); |
| assert_se(list); |
| assert_se(streq(list[0], "example.com")); |
| assert_se(streq(list[1], "foobar")); |
| strv_free(list); |
| |
| data = (uint8_t []) { 1, 'a', 0, 20, 'b', 'c' }; |
| r = dhcp6_option_parse_domainname_list(data, 6, &list); |
| assert_se(r < 0); |
| |
| data = (uint8_t []) { 0 , 0 }; |
| r = dhcp6_option_parse_domainname_list(data, 2, &list); |
| assert_se(r < 0); |
| |
| return 0; |
| } |
| |
| static int test_option(sd_event *e) { |
| 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', |
| }; |
| 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, outlen = sizeof(result); |
| const uint8_t *optval; |
| uint16_t optcode; |
| uint8_t *out; |
| |
| log_debug("/* %s */", __func__); |
| |
| 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); |
| |
| pos = 7; |
| outlen -= 7; |
| out = &result[pos]; |
| |
| assert_se(dhcp6_option_append(&out, &outlen, optcode, optlen, optval) >= 0); |
| |
| pos += 4 + optlen; |
| assert_se(out == &result[pos]); |
| assert_se(*out == 0x00); |
| |
| 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(&out, &outlen, optcode, optlen, optval) >= 0); |
| |
| pos += 4 + optlen; |
| assert_se(out == &result[pos]); |
| assert_se(*out == 'B'); |
| |
| assert_se(memcmp(packet, result, sizeof(packet)) == 0); |
| |
| return 0; |
| } |
| |
| static int test_option_status(sd_event *e) { |
| 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, |
| /* 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, |
| /* 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, |
| /* 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, |
| /* 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, |
| 0x00, 0x0d, 0x00, 0x02, 0x00, 0x00, |
| }; |
| DHCP6Option *option; |
| DHCP6IA ia, pd; |
| be32_t iaid; |
| int r = 0; |
| |
| log_debug("/* %s */", __func__); |
| |
| memcpy(&iaid, option1 + 4, sizeof(iaid)); |
| |
| zero(ia); |
| option = (DHCP6Option *)option1; |
| assert_se(sizeof(option1) == sizeof(DHCP6Option) + be16toh(option->len)); |
| |
| r = dhcp6_option_parse_ia(NULL, option, 0, &ia, NULL); |
| assert_se(r == -ENOANO); |
| |
| r = dhcp6_option_parse_ia(NULL, option, iaid, &ia, NULL); |
| assert_se(r == 0); |
| assert_se(ia.addresses == NULL); |
| |
| option->len = htobe16(17); |
| r = dhcp6_option_parse_ia(NULL, option, iaid, &ia, NULL); |
| assert_se(r == -ENOBUFS); |
| assert_se(ia.addresses == NULL); |
| |
| option->len = htobe16(sizeof(DHCP6Option)); |
| r = dhcp6_option_parse_ia(NULL, option, iaid, &ia, NULL); |
| assert_se(r == -ENOBUFS); |
| assert_se(ia.addresses == NULL); |
| |
| zero(ia); |
| option = (DHCP6Option *)option2; |
| assert_se(sizeof(option2) == sizeof(DHCP6Option) + be16toh(option->len)); |
| |
| r = dhcp6_option_parse_ia(NULL, option, iaid, &ia, NULL); |
| assert_se(r >= 0); |
| assert_se(ia.addresses == NULL); |
| |
| zero(ia); |
| option = (DHCP6Option *)option3; |
| assert_se(sizeof(option3) == sizeof(DHCP6Option) + be16toh(option->len)); |
| |
| r = dhcp6_option_parse_ia(NULL, option, iaid, &ia, NULL); |
| assert_se(r >= 0); |
| assert_se(ia.addresses != NULL); |
| dhcp6_lease_free_ia(&ia); |
| |
| zero(pd); |
| option = (DHCP6Option *)option4; |
| assert_se(sizeof(option4) == sizeof(DHCP6Option) + be16toh(option->len)); |
| |
| r = dhcp6_option_parse_ia(NULL, option, iaid, &pd, NULL); |
| assert_se(r >= 0); |
| assert_se(pd.addresses != NULL); |
| assert_se(memcmp(&pd.ia_pd.id, &option4[4], 4) == 0); |
| assert_se(memcmp(&pd.ia_pd.lifetime_t1, &option4[8], 4) == 0); |
| assert_se(memcmp(&pd.ia_pd.lifetime_t2, &option4[12], 4) == 0); |
| dhcp6_lease_free_ia(&pd); |
| |
| zero(pd); |
| option = (DHCP6Option *)option5; |
| assert_se(sizeof(option5) == sizeof(DHCP6Option) + be16toh(option->len)); |
| |
| r = dhcp6_option_parse_ia(NULL, option, iaid, &pd, NULL); |
| assert_se(r >= 0); |
| assert_se(pd.addresses != NULL); |
| dhcp6_lease_free_ia(&pd); |
| |
| return 0; |
| } |
| |
| static uint8_t msg_advertise[198] = { |
| 0x02, 0x0f, 0xb4, 0xe5, 0x00, 0x01, 0x00, 0x0e, |
| 0x00, 0x01, 0x00, 0x01, 0x1a, 0x6b, 0xf3, 0x30, |
| 0x3c, 0x97, 0x0e, 0xcf, 0xa3, 0x7d, 0x00, 0x03, |
| 0x00, 0x5e, 0x0e, 0xcf, 0xa3, 0x7d, 0x00, 0x00, |
| 0x00, 0x50, 0x00, 0x00, 0x00, 0x78, 0x00, 0x05, |
| 0x00, 0x18, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, |
| 0xbe, 0xef, 0x78, 0xee, 0x1c, 0xf3, 0x09, 0x3c, |
| 0x55, 0xad, 0x00, 0x00, 0x00, 0x96, 0x00, 0x00, |
| 0x00, 0xb4, 0x00, 0x0d, 0x00, 0x32, 0x00, 0x00, |
| 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, |
| 0x00, 0x17, 0x00, 0x10, 0x20, 0x01, 0x0d, 0xb8, |
| 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x01, 0x00, 0x18, 0x00, 0x0b, |
| 0x03, 0x6c, 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74, |
| 0x72, 0x61, 0x00, 0x00, 0x1f, 0x00, 0x10, 0x20, |
| 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, |
| 0x02, 0x00, 0x0e, 0x00, 0x01, 0x00, 0x01, 0x19, |
| 0x40, 0x5c, 0x53, 0x78, 0x2b, 0xcb, 0xb3, 0x6d, |
| 0x53, 0x00, 0x07, 0x00, 0x01, 0x00 |
| }; |
| |
| static uint8_t msg_reply[191] = { |
| 0x07, 0xf7, 0x4e, 0x57, 0x00, 0x02, 0x00, 0x0e, |
| 0x00, 0x01, 0x00, 0x01, 0x19, 0x40, 0x5c, 0x53, |
| 0x78, 0x2b, 0xcb, 0xb3, 0x6d, 0x53, 0x00, 0x01, |
| 0x00, 0x0e, 0x00, 0x01, 0x00, 0x01, 0x1a, 0x6b, |
| 0xf3, 0x30, 0x3c, 0x97, 0x0e, 0xcf, 0xa3, 0x7d, |
| 0x00, 0x03, 0x00, 0x4a, 0x0e, 0xcf, 0xa3, 0x7d, |
| 0x00, 0x00, 0x00, 0x50, 0x00, 0x00, 0x00, 0x78, |
| 0x00, 0x05, 0x00, 0x18, 0x20, 0x01, 0x0d, 0xb8, |
| 0xde, 0xad, 0xbe, 0xef, 0x78, 0xee, 0x1c, 0xf3, |
| 0x09, 0x3c, 0x55, 0xad, 0x00, 0x00, 0x00, 0x96, |
| 0x00, 0x00, 0x00, 0xb4, 0x00, 0x0d, 0x00, 0x1e, |
| 0x00, 0x00, 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, 0x00, 0x17, |
| 0x00, 0x10, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, |
| 0xbe, 0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 0x00, 0x01, 0x00, 0x18, 0x00, 0x0b, 0x03, 0x6c, |
| 0x61, 0x62, 0x05, 0x69, 0x6e, 0x74, 0x72, 0x61, |
| 0x00, 0x00, 0x1f, 0x00, 0x10, 0x20, 0x01, 0x0d, |
| 0xb8, 0xde, 0xad, 0xbe, 0xef, 0x00, 0x00, 0x00, |
| 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x27, 0x00, |
| 0x0e, 0x01, 0x06, 0x63, 0x6c, 0x69, 0x65, 0x6e, |
| 0x74, 0x05, 0x69, 0x6e, 0x74, 0x72, 0x61 |
| }; |
| |
| static uint8_t fqdn_wire[16] = { |
| 0x04, 'h', 'o', 's', 't', 0x03, 'l', 'a', 'b', |
| 0x05, 'i', 'n', 't', 'r', 'a', 0x00 |
| }; |
| |
| static int test_advertise_option(sd_event *e) { |
| _cleanup_(sd_dhcp6_lease_unrefp) sd_dhcp6_lease *lease = NULL; |
| DHCP6Message *advertise = (DHCP6Message *)msg_advertise; |
| size_t len = sizeof(msg_advertise) - sizeof(DHCP6Message), pos = 0; |
| uint32_t lt_pref, lt_valid; |
| bool opt_clientid = false; |
| const struct in6_addr *addrs; |
| uint8_t preference = 255; |
| struct in6_addr addr; |
| char **domains; |
| uint8_t *opt; |
| int r; |
| be32_t val; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(len >= sizeof(DHCP6Message)); |
| |
| assert_se(dhcp6_lease_new(&lease) >= 0); |
| |
| assert_se(advertise->type == DHCP6_ADVERTISE); |
| assert_se((be32toh(advertise->transaction_id) & 0x00ffffff) == |
| 0x0fb4e5); |
| |
| while (pos < len) { |
| DHCP6Option *option = (DHCP6Option *)&advertise->options[pos]; |
| const uint16_t optcode = be16toh(option->code); |
| const uint16_t optlen = be16toh(option->len); |
| uint8_t *optval = option->data; |
| |
| switch(optcode) { |
| case SD_DHCP6_OPTION_CLIENTID: |
| assert_se(optlen == 14); |
| |
| opt_clientid = true; |
| break; |
| |
| case SD_DHCP6_OPTION_IA_NA: { |
| be32_t iaid = htobe32(0x0ecfa37d); |
| |
| assert_se(optlen == 94); |
| assert_se(optval == &msg_advertise[26]); |
| assert_se(!memcmp(optval, &msg_advertise[26], optlen)); |
| |
| assert_se(!memcmp(optval, &iaid, sizeof(val))); |
| |
| val = htobe32(80); |
| assert_se(!memcmp(optval + 4, &val, sizeof(val))); |
| |
| val = htobe32(120); |
| assert_se(!memcmp(optval + 8, &val, sizeof(val))); |
| |
| assert_se(dhcp6_option_parse_ia(NULL, option, iaid, &lease->ia, NULL) >= 0); |
| |
| break; |
| } |
| case SD_DHCP6_OPTION_SERVERID: |
| assert_se(optlen == 14); |
| assert_se(optval == &msg_advertise[179]); |
| assert_se(!memcmp(optval, &msg_advertise[179], optlen)); |
| |
| assert_se(dhcp6_lease_set_serverid(lease, optval, |
| optlen) >= 0); |
| break; |
| |
| case SD_DHCP6_OPTION_PREFERENCE: |
| assert_se(optlen == 1); |
| assert_se(!*optval); |
| |
| assert_se(dhcp6_lease_set_preference(lease, |
| *optval) >= 0); |
| break; |
| |
| case SD_DHCP6_OPTION_ELAPSED_TIME: |
| assert_se(optlen == 2); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_DNS_SERVERS: |
| assert_se(optlen == 16); |
| assert_se(dhcp6_lease_set_dns(lease, optval, |
| optlen) >= 0); |
| break; |
| |
| case SD_DHCP6_OPTION_DOMAIN_LIST: |
| assert_se(optlen == 11); |
| assert_se(dhcp6_lease_set_domains(lease, optval, |
| optlen) >= 0); |
| break; |
| |
| case SD_DHCP6_OPTION_SNTP_SERVERS: |
| assert_se(optlen == 16); |
| assert_se(dhcp6_lease_add_sntp(lease, optval, optlen) >= 0); |
| break; |
| |
| default: |
| break; |
| } |
| |
| pos += sizeof(*option) + optlen; |
| } |
| |
| assert_se(pos == len); |
| assert_se(opt_clientid); |
| |
| sd_dhcp6_lease_reset_address_iter(lease); |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, |
| <_valid) >= 0); |
| assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr))); |
| assert_se(lt_pref == 150); |
| assert_se(lt_valid == 180); |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, |
| <_valid) == -ENOMSG); |
| |
| sd_dhcp6_lease_reset_address_iter(lease); |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, |
| <_valid) >= 0); |
| assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr))); |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, |
| <_valid) == -ENOMSG); |
| sd_dhcp6_lease_reset_address_iter(lease); |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, |
| <_valid) >= 0); |
| assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr))); |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, |
| <_valid) == -ENOMSG); |
| |
| assert_se(dhcp6_lease_get_serverid(lease, &opt, &len) >= 0); |
| assert_se(len == 14); |
| assert_se(!memcmp(opt, &msg_advertise[179], len)); |
| |
| assert_se(dhcp6_lease_get_preference(lease, &preference) >= 0); |
| assert_se(preference == 0); |
| |
| r = sd_dhcp6_lease_get_dns(lease, &addrs); |
| assert_se(r == 1); |
| assert_se(!memcmp(addrs, &msg_advertise[124], r * 16)); |
| |
| r = sd_dhcp6_lease_get_domains(lease, &domains); |
| assert_se(r == 1); |
| assert_se(!strcmp("lab.intra", domains[0])); |
| assert_se(domains[1] == NULL); |
| |
| r = sd_dhcp6_lease_get_ntp_addrs(lease, &addrs); |
| assert_se(r == 1); |
| assert_se(!memcmp(addrs, &msg_advertise[159], r * 16)); |
| |
| return 0; |
| } |
| |
| static int test_hangcheck(sd_event_source *s, uint64_t usec, void *userdata) { |
| assert_not_reached("Test case should have completed in 2 seconds"); |
| |
| return 0; |
| } |
| |
| static void test_client_solicit_cb(sd_dhcp6_client *client, int event, |
| void *userdata) { |
| sd_event *e = userdata; |
| sd_dhcp6_lease *lease; |
| const struct in6_addr *addrs; |
| char **domains; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(e); |
| assert_se(event == SD_DHCP6_CLIENT_EVENT_IP_ACQUIRE); |
| |
| assert_se(sd_dhcp6_client_get_lease(client, &lease) >= 0); |
| |
| assert_se(sd_dhcp6_lease_get_domains(lease, &domains) == 1); |
| assert_se(!strcmp("lab.intra", domains[0])); |
| assert_se(domains[1] == NULL); |
| |
| assert_se(sd_dhcp6_lease_get_dns(lease, &addrs) == 1); |
| assert_se(!memcmp(addrs, &msg_advertise[124], 16)); |
| |
| assert_se(sd_dhcp6_lease_get_ntp_addrs(lease, &addrs) == 1); |
| assert_se(!memcmp(addrs, &msg_advertise[159], 16)); |
| |
| assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DNS_SERVERS) == -EBUSY); |
| |
| sd_event_exit(e, 0); |
| } |
| |
| static int test_client_send_reply(DHCP6Message *request) { |
| DHCP6Message reply; |
| |
| log_debug("/* %s */", __func__); |
| |
| reply.transaction_id = request->transaction_id; |
| reply.type = DHCP6_REPLY; |
| |
| memcpy(msg_reply, &reply.transaction_id, 4); |
| |
| memcpy(&msg_reply[26], test_duid, sizeof(test_duid)); |
| |
| memcpy(&msg_reply[44], &test_iaid, sizeof(test_iaid)); |
| |
| assert_se(write(test_dhcp_fd[1], msg_reply, sizeof(msg_reply)) |
| == sizeof(msg_reply)); |
| |
| return 0; |
| } |
| |
| static int test_client_verify_request(DHCP6Message *request, size_t len) { |
| _cleanup_(sd_dhcp6_lease_unrefp) sd_dhcp6_lease *lease = NULL; |
| bool found_clientid = false, found_iana = false, found_serverid = false, |
| found_elapsed_time = false, found_fqdn = false; |
| uint32_t lt_pref, lt_valid; |
| struct in6_addr addr; |
| size_t pos = 0; |
| be32_t val; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(request->type == DHCP6_REQUEST); |
| assert_se(dhcp6_lease_new(&lease) >= 0); |
| |
| len -= sizeof(DHCP6Message); |
| |
| while (pos < len) { |
| DHCP6Option *option = (DHCP6Option *)&request->options[pos]; |
| uint16_t optcode = be16toh(option->code); |
| uint16_t optlen = be16toh(option->len); |
| uint8_t *optval = option->data; |
| |
| switch(optcode) { |
| case SD_DHCP6_OPTION_CLIENTID: |
| assert_se(!found_clientid); |
| found_clientid = true; |
| |
| assert_se(!memcmp(optval, &test_duid, |
| sizeof(test_duid))); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_IA_NA: |
| assert_se(!found_iana); |
| found_iana = true; |
| |
| assert_se(optlen == 40); |
| assert_se(!memcmp(optval, &test_iaid, sizeof(test_iaid))); |
| |
| /* T1 and T2 should not be set. */ |
| val = 0; |
| assert_se(!memcmp(optval + 4, &val, sizeof(val))); |
| assert_se(!memcmp(optval + 8, &val, sizeof(val))); |
| |
| /* Then, this should refuse all addresses. */ |
| assert_se(dhcp6_option_parse_ia(NULL, option, test_iaid, &lease->ia, NULL) >= 0); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_SERVERID: |
| assert_se(!found_serverid); |
| found_serverid = true; |
| |
| assert_se(optlen == 14); |
| assert_se(!memcmp(&msg_advertise[179], optval, optlen)); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_ELAPSED_TIME: |
| assert_se(!found_elapsed_time); |
| found_elapsed_time = true; |
| |
| assert_se(optlen == 2); |
| |
| break; |
| case SD_DHCP6_OPTION_FQDN: |
| assert_se(!found_fqdn); |
| found_fqdn = true; |
| |
| assert_se(optlen == 17); |
| |
| assert_se(optval[0] == 0x01); |
| assert_se(!memcmp(optval + 1, fqdn_wire, sizeof(fqdn_wire))); |
| break; |
| } |
| |
| pos += sizeof(*option) + optlen; |
| } |
| |
| assert_se(found_clientid && found_iana && found_serverid && |
| found_elapsed_time); |
| |
| sd_dhcp6_lease_reset_address_iter(lease); |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, <_valid) == -ENOMSG); |
| |
| return 0; |
| } |
| |
| static int test_client_send_advertise(DHCP6Message *solicit) { |
| DHCP6Message advertise; |
| |
| log_debug("/* %s */", __func__); |
| |
| advertise.transaction_id = solicit->transaction_id; |
| advertise.type = DHCP6_ADVERTISE; |
| |
| memcpy(msg_advertise, &advertise.transaction_id, 4); |
| |
| memcpy(&msg_advertise[8], test_duid, sizeof(test_duid)); |
| |
| memcpy(&msg_advertise[26], &test_iaid, sizeof(test_iaid)); |
| |
| assert_se(write(test_dhcp_fd[1], msg_advertise, sizeof(msg_advertise)) |
| == sizeof(msg_advertise)); |
| |
| return 0; |
| } |
| |
| static int test_client_verify_solicit(DHCP6Message *solicit, size_t len) { |
| bool found_clientid = false, found_iana = false, |
| found_elapsed_time = false, found_fqdn = false; |
| size_t pos = 0; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(solicit->type == DHCP6_SOLICIT); |
| |
| len -= sizeof(DHCP6Message); |
| |
| while (pos < len) { |
| DHCP6Option *option = (DHCP6Option *)&solicit->options[pos]; |
| uint16_t optcode = be16toh(option->code); |
| uint16_t optlen = be16toh(option->len); |
| uint8_t *optval = option->data; |
| |
| switch(optcode) { |
| case SD_DHCP6_OPTION_CLIENTID: |
| assert_se(!found_clientid); |
| found_clientid = true; |
| |
| assert_se(optlen == sizeof(test_duid)); |
| memcpy(&test_duid, optval, sizeof(test_duid)); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_IA_NA: |
| assert_se(!found_iana); |
| found_iana = true; |
| |
| assert_se(optlen == 12); |
| |
| memcpy(&test_iaid, optval, sizeof(test_iaid)); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_ELAPSED_TIME: |
| assert_se(!found_elapsed_time); |
| found_elapsed_time = true; |
| |
| assert_se(optlen == 2); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_FQDN: |
| assert_se(!found_fqdn); |
| found_fqdn = true; |
| |
| assert_se(optlen == 17); |
| |
| assert_se(optval[0] == 0x01); |
| assert_se(!memcmp(optval + 1, fqdn_wire, sizeof(fqdn_wire))); |
| |
| break; |
| } |
| |
| pos += sizeof(*option) + optlen; |
| } |
| |
| assert_se(pos == len); |
| assert_se(found_clientid && found_iana && found_elapsed_time); |
| |
| return 0; |
| } |
| |
| static void test_client_information_cb(sd_dhcp6_client *client, int event, |
| void *userdata) { |
| sd_event *e = userdata; |
| sd_dhcp6_lease *lease; |
| const struct in6_addr *addrs; |
| struct in6_addr address = { { { 0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01 } } }; |
| char **domains; |
| const char *fqdn; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(e); |
| assert_se(event == SD_DHCP6_CLIENT_EVENT_INFORMATION_REQUEST); |
| |
| assert_se(sd_dhcp6_client_get_lease(client, &lease) >= 0); |
| |
| assert_se(sd_dhcp6_lease_get_domains(lease, &domains) == 1); |
| assert_se(!strcmp("lab.intra", domains[0])); |
| assert_se(domains[1] == NULL); |
| |
| assert_se(sd_dhcp6_lease_get_fqdn(lease, &fqdn) >= 0); |
| assert_se(streq(fqdn, "client.intra")); |
| |
| assert_se(sd_dhcp6_lease_get_dns(lease, &addrs) == 1); |
| assert_se(!memcmp(addrs, &msg_advertise[124], 16)); |
| |
| assert_se(sd_dhcp6_lease_get_ntp_addrs(lease, &addrs) == 1); |
| assert_se(!memcmp(addrs, &msg_advertise[159], 16)); |
| |
| assert_se(sd_dhcp6_client_set_information_request(client, false) == -EBUSY); |
| assert_se(sd_dhcp6_client_set_callback(client, NULL, e) >= 0); |
| assert_se(sd_dhcp6_client_stop(client) >= 0); |
| assert_se(sd_dhcp6_client_set_information_request(client, false) >= 0); |
| |
| assert_se(sd_dhcp6_client_set_callback(client, |
| test_client_solicit_cb, e) >= 0); |
| |
| assert_se(sd_dhcp6_client_set_local_address(client, &address) >= 0); |
| |
| assert_se(sd_dhcp6_client_start(client) >= 0); |
| |
| } |
| |
| static int test_client_verify_information_request(DHCP6Message *information_request, |
| size_t len) { |
| |
| _cleanup_(sd_dhcp6_lease_unrefp) sd_dhcp6_lease *lease = NULL; |
| size_t pos = 0; |
| bool found_clientid = false, found_elapsed_time = false; |
| struct in6_addr addr; |
| uint32_t lt_pref, lt_valid; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(information_request->type == DHCP6_INFORMATION_REQUEST); |
| assert_se(dhcp6_lease_new(&lease) >= 0); |
| |
| len -= sizeof(DHCP6Message); |
| |
| while (pos < len) { |
| DHCP6Option *option = (DHCP6Option *)&information_request->options[pos]; |
| uint16_t optcode = be16toh(option->code); |
| uint16_t optlen = be16toh(option->len); |
| uint8_t *optval = option->data; |
| |
| switch(optcode) { |
| case SD_DHCP6_OPTION_CLIENTID: |
| assert_se(!found_clientid); |
| found_clientid = true; |
| |
| assert_se(optlen == sizeof(test_duid)); |
| memcpy(&test_duid, optval, sizeof(test_duid)); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_IA_NA: |
| assert_not_reached("IA TA option must not be present"); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_SERVERID: |
| assert_not_reached("Server ID option must not be present"); |
| |
| break; |
| |
| case SD_DHCP6_OPTION_ELAPSED_TIME: |
| assert_se(!found_elapsed_time); |
| found_elapsed_time = true; |
| |
| assert_se(optlen == 2); |
| |
| break; |
| } |
| |
| pos += sizeof(*option) + optlen; |
| } |
| |
| assert_se(pos == len); |
| assert_se(found_clientid && found_elapsed_time); |
| |
| sd_dhcp6_lease_reset_address_iter(lease); |
| |
| assert_se(sd_dhcp6_lease_get_address(lease, &addr, <_pref, |
| <_valid) == -ENOMSG); |
| |
| return 0; |
| } |
| |
| int dhcp6_network_send_udp_socket(int s, struct in6_addr *server_address, |
| const void *packet, size_t len) { |
| struct in6_addr mcast = |
| IN6ADDR_ALL_DHCP6_RELAY_AGENTS_AND_SERVERS_INIT; |
| DHCP6Message *message; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(s == test_dhcp_fd[0]); |
| assert_se(server_address); |
| assert_se(packet); |
| assert_se(len > sizeof(DHCP6Message) + 4); |
| assert_se(IN6_ARE_ADDR_EQUAL(server_address, &mcast)); |
| |
| message = (DHCP6Message *)packet; |
| |
| assert_se(message->transaction_id & 0x00ffffff); |
| |
| if (test_client_message_num == 0) { |
| test_client_verify_information_request(message, len); |
| test_client_send_reply(message); |
| test_client_message_num++; |
| } else if (test_client_message_num == 1) { |
| test_client_verify_solicit(message, len); |
| test_client_send_advertise(message); |
| test_client_message_num++; |
| } else if (test_client_message_num == 2) { |
| test_client_verify_request(message, len); |
| test_client_send_reply(message); |
| test_client_message_num++; |
| } |
| |
| return len; |
| } |
| |
| int dhcp6_network_bind_udp_socket(int ifindex, struct in6_addr *local_address) { |
| assert_se(ifindex == test_ifindex); |
| |
| if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_dhcp_fd) < 0) |
| return -errno; |
| |
| return test_dhcp_fd[0]; |
| } |
| |
| static int test_client_solicit(sd_event *e) { |
| sd_dhcp6_client *client; |
| struct in6_addr address = { { { 0xfe, 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0x01 } } }; |
| int val; |
| |
| log_debug("/* %s */", __func__); |
| |
| assert_se(sd_dhcp6_client_new(&client) >= 0); |
| assert_se(client); |
| |
| 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_mac(client, (const uint8_t *) &mac_addr, |
| sizeof (mac_addr), |
| ARPHRD_ETHER) >= 0); |
| assert_se(sd_dhcp6_client_set_fqdn(client, "host.lab.intra") == 1); |
| dhcp6_client_set_test_mode(client, true); |
| |
| assert_se(sd_dhcp6_client_get_information_request(client, &val) >= 0); |
| assert_se(val == 0); |
| assert_se(sd_dhcp6_client_set_information_request(client, 42) >= 0); |
| assert_se(sd_dhcp6_client_get_information_request(client, &val) >= 0); |
| assert_se(val); |
| |
| assert_se(sd_dhcp6_client_set_callback(client, |
| test_client_information_cb, e) >= 0); |
| |
| assert_se(sd_event_add_time_relative(e, &hangcheck, clock_boottime_or_monotonic(), |
| 2 * USEC_PER_SEC, 0, |
| test_hangcheck, NULL) >= 0); |
| |
| assert_se(sd_dhcp6_client_set_local_address(client, &address) >= 0); |
| |
| assert_se(sd_dhcp6_client_start(client) >= 0); |
| |
| sd_event_loop(e); |
| |
| hangcheck = sd_event_source_unref(hangcheck); |
| |
| assert_se(!sd_dhcp6_client_unref(client)); |
| |
| test_dhcp_fd[1] = safe_close(test_dhcp_fd[1]); |
| |
| return 0; |
| } |
| |
| int main(int argc, char *argv[]) { |
| _cleanup_(sd_event_unrefp) sd_event *e; |
| |
| assert_se(sd_event_new(&e) >= 0); |
| |
| test_setup_logging(LOG_DEBUG); |
| |
| test_client_basic(e); |
| test_option(e); |
| test_option_status(e); |
| test_advertise_option(e); |
| test_client_solicit(e); |
| test_parse_domain(e); |
| |
| return 0; |
| } |
