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1021 lines
37 KiB
C
1021 lines
37 KiB
C
/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/***
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Copyright © 2014 Intel Corporation. All rights reserved.
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***/
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#include <net/ethernet.h>
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#include <net/if_arp.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "sd-dhcp6-client.h"
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#include "sd-event.h"
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#include "dhcp-identifier.h"
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#include "dhcp6-internal.h"
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#include "dhcp6-lease-internal.h"
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#include "dhcp6-protocol.h"
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#include "fd-util.h"
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#include "macro.h"
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#include "memory-util.h"
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#include "socket-util.h"
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#include "string-util.h"
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#include "strv.h"
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#include "tests.h"
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#include "time-util.h"
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static struct ether_addr mac_addr = {
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.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
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};
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static sd_event_source *hangcheck;
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static int test_dhcp_fd[2];
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static int test_ifindex = 42;
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static int test_client_message_num;
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static be32_t test_iaid = 0;
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static uint8_t test_duid[14] = { };
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static int test_client_basic(sd_event *e) {
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sd_dhcp6_client *client;
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int v;
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log_debug("/* %s */", __func__);
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assert_se(sd_dhcp6_client_new(&client) >= 0);
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assert_se(client);
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assert_se(sd_dhcp6_client_attach_event(client, e, 0) >= 0);
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assert_se(sd_dhcp6_client_set_ifindex(client, 15) == 0);
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assert_se(sd_dhcp6_client_set_ifindex(client, -42) == -EINVAL);
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assert_se(sd_dhcp6_client_set_ifindex(client, -1) == -EINVAL);
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assert_se(sd_dhcp6_client_set_ifindex(client, 42) >= 0);
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assert_se(sd_dhcp6_client_set_mac(client, (const uint8_t *) &mac_addr,
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sizeof (mac_addr),
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ARPHRD_ETHER) >= 0);
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assert_se(sd_dhcp6_client_set_fqdn(client, "host") == 1);
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assert_se(sd_dhcp6_client_set_fqdn(client, "host.domain") == 1);
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assert_se(sd_dhcp6_client_set_fqdn(client, NULL) == 1);
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assert_se(sd_dhcp6_client_set_fqdn(client, "~host") == -EINVAL);
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assert_se(sd_dhcp6_client_set_fqdn(client, "~host.domain") == -EINVAL);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_CLIENTID) == -EINVAL);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DNS_SERVERS) == -EEXIST);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NTP_SERVER) == -EEXIST);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_SNTP_SERVERS) == -EEXIST);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_DOMAIN_LIST) == -EEXIST);
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assert_se(sd_dhcp6_client_set_request_option(client, 10) == -EINVAL);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NIS_SERVERS) == 0);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NISP_SERVERS) == 0);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NIS_SERVERS) == -EEXIST);
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assert_se(sd_dhcp6_client_set_request_option(client, SD_DHCP6_OPTION_NISP_SERVERS) == -EEXIST);
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assert_se(sd_dhcp6_client_set_information_request(client, 1) >= 0);
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v = 0;
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assert_se(sd_dhcp6_client_get_information_request(client, &v) >= 0);
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assert_se(v);
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assert_se(sd_dhcp6_client_set_information_request(client, 0) >= 0);
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v = 42;
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assert_se(sd_dhcp6_client_get_information_request(client, &v) >= 0);
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assert_se(v == 0);
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v = 0;
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assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0);
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assert_se(v);
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v = 0;
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assert_se(sd_dhcp6_client_set_address_request(client, 1) >= 0);
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assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0);
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assert_se(v);
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v = 42;
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assert_se(sd_dhcp6_client_set_address_request(client, 1) >= 0);
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assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0);
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assert_se(v);
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assert_se(sd_dhcp6_client_set_address_request(client, 1) >= 0);
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assert_se(sd_dhcp6_client_set_prefix_delegation(client, 1) >= 0);
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v = 0;
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assert_se(sd_dhcp6_client_get_address_request(client, &v) >= 0);
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assert_se(v);
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v = 0;
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assert_se(sd_dhcp6_client_get_prefix_delegation(client, &v) >= 0);
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assert_se(v);
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assert_se(sd_dhcp6_client_set_callback(client, NULL, NULL) >= 0);
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assert_se(sd_dhcp6_client_detach_event(client) >= 0);
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assert_se(!sd_dhcp6_client_unref(client));
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return 0;
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}
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static int test_parse_domain(sd_event *e) {
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uint8_t *data;
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char *domain;
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char **list;
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int r;
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log_debug("/* %s */", __func__);
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data = (uint8_t []) { 7, 'e', 'x', 'a', 'm', 'p', 'l', 'e', 3, 'c', 'o', 'm', 0 };
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r = dhcp6_option_parse_domainname(data, 13, &domain);
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assert_se(r == 0);
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assert_se(domain);
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assert_se(streq(domain, "example.com"));
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free(domain);
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data = (uint8_t []) { 4, 't', 'e', 's', 't' };
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r = dhcp6_option_parse_domainname(data, 5, &domain);
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assert_se(r == 0);
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assert_se(domain);
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assert_se(streq(domain, "test"));
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free(domain);
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data = (uint8_t []) { 0 };
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r = dhcp6_option_parse_domainname(data, 1, &domain);
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assert_se(r < 0);
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data = (uint8_t []) { 7, 'e', 'x', 'a', 'm', 'p', 'l', 'e', 3, 'c', 'o', 'm', 0,
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6, 'f', 'o', 'o', 'b', 'a', 'r', 0 };
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r = dhcp6_option_parse_domainname_list(data, 21, &list);
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assert_se(r == 0);
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assert_se(list);
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assert_se(streq(list[0], "example.com"));
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assert_se(streq(list[1], "foobar"));
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strv_free(list);
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data = (uint8_t []) { 1, 'a', 0, 20, 'b', 'c' };
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r = dhcp6_option_parse_domainname_list(data, 6, &list);
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assert_se(r < 0);
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data = (uint8_t []) { 0 , 0 };
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r = dhcp6_option_parse_domainname_list(data, 2, &list);
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assert_se(r < 0);
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return 0;
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}
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static int test_option(sd_event *e) {
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uint8_t packet[] = {
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'F', 'O', 'O', 'H', 'O', 'G', 'E',
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0x00, SD_DHCP6_OPTION_ORO, 0x00, 0x07,
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'A', 'B', 'C', 'D', 'E', 'F', 'G',
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0x00, SD_DHCP6_OPTION_VENDOR_CLASS, 0x00, 0x09,
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'1', '2', '3', '4', '5', '6', '7', '8', '9',
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'B', 'A', 'R',
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};
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uint8_t result[] = {
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'F', 'O', 'O', 'H', 'O', 'G', 'E',
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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'B', 'A', 'R',
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};
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_cleanup_free_ uint8_t *buf = NULL;
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size_t offset, pos, optlen, outlen = sizeof(result);
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const uint8_t *optval;
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uint16_t optcode;
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uint8_t *out;
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log_debug("/* %s */", __func__);
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assert_se(sizeof(packet) == sizeof(result));
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offset = 0;
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assert_se(dhcp6_option_parse(packet, 0, &offset, &optcode, &optlen, &optval) == -EBADMSG);
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offset = 3;
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assert_se(dhcp6_option_parse(packet, 0, &offset, &optcode, &optlen, &optval) == -EBADMSG);
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/* Tests for reading unaligned data. */
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assert_se(buf = new(uint8_t, sizeof(packet)));
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for (size_t i = 0; i <= 7; i++) {
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memcpy(buf, packet + i, sizeof(packet) - i);
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offset = 7 - i;
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assert_se(dhcp6_option_parse(buf, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0);
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assert_se(optcode == SD_DHCP6_OPTION_ORO);
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assert_se(optlen == 7);
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assert_se(optval == buf + 11 - i);
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}
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offset = 7;
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assert_se(dhcp6_option_parse(packet, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0);
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assert_se(optcode == SD_DHCP6_OPTION_ORO);
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assert_se(optlen == 7);
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assert_se(optval == packet + 11);
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pos = 7;
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outlen -= 7;
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out = &result[pos];
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assert_se(dhcp6_option_append(&out, &outlen, optcode, optlen, optval) >= 0);
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pos += 4 + optlen;
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assert_se(out == &result[pos]);
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assert_se(*out == 0x00);
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assert_se(dhcp6_option_parse(packet, sizeof(packet), &offset, &optcode, &optlen, &optval) >= 0);
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assert_se(optcode == SD_DHCP6_OPTION_VENDOR_CLASS);
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assert_se(optlen == 9);
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assert_se(optval == packet + 22);
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assert_se(dhcp6_option_append(&out, &outlen, optcode, optlen, optval) >= 0);
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pos += 4 + optlen;
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assert_se(out == &result[pos]);
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assert_se(*out == 'B');
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assert_se(memcmp(packet, result, sizeof(packet)) == 0);
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return 0;
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}
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static int test_option_status(sd_event *e) {
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uint8_t option1[] = {
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/* IA NA */
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0x00, 0x03, 0x00, 0x12, 0x1a, 0x1d, 0x1a, 0x1d,
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0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02,
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/* status option */
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0x00, 0x0d, 0x00, 0x02, 0x00, 0x01,
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};
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static const uint8_t option2[] = {
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/* IA NA */
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0x00, 0x03, 0x00, 0x2e, 0x1a, 0x1d, 0x1a, 0x1d,
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0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02,
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/* IA Addr */
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0x00, 0x05, 0x00, 0x1e,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
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0x01, 0x02, 0x03, 0x04, 0x0a, 0x0b, 0x0c, 0x0d,
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/* IA address status option */
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0x00, 0x0d, 0x00, 0x02, 0x00, 0x01,
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};
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static const uint8_t option3[] = {
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/* IA NA */
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0x00, 0x03, 0x00, 0x34, 0x1a, 0x1d, 0x1a, 0x1d,
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0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02,
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/* IA Addr */
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0x00, 0x05, 0x00, 0x24,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
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0x01, 0x02, 0x03, 0x04, 0x0a, 0x0b, 0x0c, 0x0d,
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/* IA address status option */
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0x00, 0x0d, 0x00, 0x08, 0x00, 0x00, 'f', 'o',
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'o', 'b', 'a', 'r',
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};
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static const uint8_t option4[] = {
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/* IA PD */
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0x00, 0x19, 0x00, 0x2f, 0x1a, 0x1d, 0x1a, 0x1d,
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0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02,
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/* IA PD Prefix */
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0x00, 0x1a, 0x00, 0x1f,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x80, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe,
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0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00,
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/* PD prefix status option */
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0x00, 0x0d, 0x00, 0x02, 0x00, 0x00,
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};
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static const uint8_t option5[] = {
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/* IA PD */
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0x00, 0x19, 0x00, 0x52, 0x1a, 0x1d, 0x1a, 0x1d,
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0x00, 0x01, 0x00, 0x01, 0x00, 0x02, 0x00, 0x02,
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/* IA PD Prefix #1 */
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0x00, 0x1a, 0x00, 0x1f,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x80, 0x20, 0x01, 0x0d, 0xb8, 0xde, 0xad, 0xbe,
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0xef, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00,
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/* PD prefix status option */
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0x00, 0x0d, 0x00, 0x02, 0x00, 0x00,
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/* IA PD Prefix #2 */
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0x00, 0x1a, 0x00, 0x1f,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
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0x80, 0x20, 0x01, 0x0d, 0xb8, 0xc0, 0x0l, 0xd0,
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0x0d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00,
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/* PD prefix status option */
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0x00, 0x0d, 0x00, 0x02, 0x00, 0x00,
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};
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DHCP6Option *option;
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DHCP6IA ia, pd;
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be32_t iaid;
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int r = 0;
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log_debug("/* %s */", __func__);
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memcpy(&iaid, option1 + 4, sizeof(iaid));
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zero(ia);
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option = (DHCP6Option*) option1;
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assert_se(sizeof(option1) == sizeof(DHCP6Option) + be16toh(option->len));
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r = dhcp6_option_parse_ia(NULL, 0, be16toh(option->code), be16toh(option->len), option->data, &ia);
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assert_se(r == -ENOANO);
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r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia);
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assert_se(r == -EINVAL);
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assert_se(!ia.addresses);
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option->len = htobe16(17);
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r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia);
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assert_se(r == -EBADMSG);
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assert_se(!ia.addresses);
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option->len = htobe16(sizeof(DHCP6Option));
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r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia);
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assert_se(r == -EBADMSG);
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assert_se(!ia.addresses);
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zero(ia);
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option = (DHCP6Option*) option2;
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assert_se(sizeof(option2) == sizeof(DHCP6Option) + be16toh(option->len));
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r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia);
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assert_se(r == -ENODATA);
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assert_se(!ia.addresses);
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zero(ia);
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option = (DHCP6Option*) option3;
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assert_se(sizeof(option3) == sizeof(DHCP6Option) + be16toh(option->len));
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r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &ia);
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assert_se(r >= 0);
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assert_se(ia.addresses);
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dhcp6_lease_free_ia(&ia);
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zero(pd);
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option = (DHCP6Option*) option4;
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assert_se(sizeof(option4) == sizeof(DHCP6Option) + be16toh(option->len));
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r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &pd);
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assert_se(r >= 0);
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assert_se(pd.addresses);
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assert_se(memcmp(&pd.ia_pd.id, &option4[4], 4) == 0);
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assert_se(memcmp(&pd.ia_pd.lifetime_t1, &option4[8], 4) == 0);
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assert_se(memcmp(&pd.ia_pd.lifetime_t2, &option4[12], 4) == 0);
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dhcp6_lease_free_ia(&pd);
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zero(pd);
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option = (DHCP6Option*) option5;
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assert_se(sizeof(option5) == sizeof(DHCP6Option) + be16toh(option->len));
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r = dhcp6_option_parse_ia(NULL, iaid, be16toh(option->code), be16toh(option->len), option->data, &pd);
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assert_se(r >= 0);
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assert_se(pd.addresses);
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dhcp6_lease_free_ia(&pd);
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return 0;
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}
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static uint8_t msg_advertise[198] = {
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0x02, 0x0f, 0xb4, 0xe5, 0x00, 0x01, 0x00, 0x0e,
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0x00, 0x01, 0x00, 0x01, 0x1a, 0x6b, 0xf3, 0x30,
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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_MESSAGE_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, iaid, optcode, optlen, optval, &lease->ia) >= 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_add_dns(lease, optval, optlen) >= 0);
|
|
break;
|
|
|
|
case SD_DHCP6_OPTION_DOMAIN_LIST:
|
|
assert_se(optlen == 11);
|
|
assert_se(dhcp6_lease_add_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_check_completed_in_2_seconds(sd_event_source *s, uint64_t usec, void *userdata) {
|
|
assert_not_reached();
|
|
}
|
|
|
|
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_MESSAGE_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_MESSAGE_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, test_iaid, optcode, optlen, optval, &lease->ia) == -ENODATA);
|
|
|
|
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_CLIENT_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_MESSAGE_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_MESSAGE_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_CLIENT_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_MESSAGE_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:
|
|
case SD_DHCP6_OPTION_SERVERID:
|
|
assert_not_reached();
|
|
|
|
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_check_completed_in_2_seconds, 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;
|
|
}
|