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-rw-r--r--src/libsystemd-network/test-dhcp6-client.c1004
1 files changed, 1004 insertions, 0 deletions
diff --git a/src/libsystemd-network/test-dhcp6-client.c b/src/libsystemd-network/test-dhcp6-client.c
new file mode 100644
index 0000000..e6a43dc
--- /dev/null
+++ b/src/libsystemd-network/test-dhcp6-client.c
@@ -0,0 +1,1004 @@
+/* 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 "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"
+#include "virt.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',
+ 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',
+ 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',
+ };
+ uint16_t optcode;
+ size_t optlen;
+ uint8_t *optval, *buf, *out;
+ size_t zero = 0, pos = 3;
+ size_t buflen = sizeof(packet), outlen = sizeof(result);
+
+ log_debug("/* %s */", __func__);
+
+ assert_se(buflen == outlen);
+
+ assert_se(dhcp6_option_parse(&buf, &zero, &optcode, &optlen,
+ &optval) == -ENOMSG);
+
+ buflen -= 3;
+ buf = &packet[3];
+ outlen -= 3;
+ out = &result[3];
+
+ assert_se(dhcp6_option_parse(&buf, &buflen, &optcode, &optlen,
+ &optval) >= 0);
+ pos += 4 + optlen;
+ assert_se(buf == &packet[pos]);
+ assert_se(optcode == SD_DHCP6_OPTION_ORO);
+ assert_se(optlen == 7);
+ assert_se(buflen + pos == sizeof(packet));
+
+ assert_se(dhcp6_option_append(&out, &outlen, optcode, optlen,
+ optval) >= 0);
+ assert_se(out == &result[pos]);
+ assert_se(*out == 0x00);
+
+ assert_se(dhcp6_option_parse(&buf, &buflen, &optcode, &optlen,
+ &optval) >= 0);
+ pos += 4 + optlen;
+ assert_se(buf == &packet[pos]);
+ assert_se(optcode == SD_DHCP6_OPTION_VENDOR_CLASS);
+ assert_se(optlen == 9);
+ assert_se(buflen + pos == sizeof(packet));
+
+ assert_se(dhcp6_option_append(&out, &outlen, optcode, optlen,
+ optval) >= 0);
+ 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;
+ int r = 0;
+
+ log_debug("/* %s */", __func__);
+
+ zero(ia);
+ option = (DHCP6Option *)option1;
+ assert_se(sizeof(option1) == sizeof(DHCP6Option) + be16toh(option->len));
+
+ r = dhcp6_option_parse_ia(option, &ia, NULL);
+ assert_se(r == 0);
+ assert_se(ia.addresses == NULL);
+
+ option->len = htobe16(17);
+ r = dhcp6_option_parse_ia(option, &ia, NULL);
+ assert_se(r == -ENOBUFS);
+ assert_se(ia.addresses == NULL);
+
+ option->len = htobe16(sizeof(DHCP6Option));
+ r = dhcp6_option_parse_ia(option, &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(option, &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(option, &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(option, &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(option, &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:
+ assert_se(optlen == 94);
+ assert_se(!memcmp(optval, &msg_advertise[26], optlen));
+
+ val = htobe32(0x0ecfa37d);
+ assert_se(!memcmp(optval, &val, 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(option, &lease->ia, NULL) >= 0);
+
+ break;
+
+ case SD_DHCP6_OPTION_SERVERID:
+ assert_se(optlen == 14);
+ 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_set_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, &lt_pref,
+ &lt_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, &lt_pref,
+ &lt_valid) == -ENOMSG);
+
+ sd_dhcp6_lease_reset_address_iter(lease);
+ assert_se(sd_dhcp6_lease_get_address(lease, &addr, &lt_pref,
+ &lt_valid) >= 0);
+ assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr)));
+ assert_se(sd_dhcp6_lease_get_address(lease, &addr, &lt_pref,
+ &lt_valid) == -ENOMSG);
+ sd_dhcp6_lease_reset_address_iter(lease);
+ assert_se(sd_dhcp6_lease_get_address(lease, &addr, &lt_pref,
+ &lt_valid) >= 0);
+ assert_se(!memcmp(&addr, &msg_advertise[42], sizeof(addr)));
+ assert_se(sd_dhcp6_lease_get_address(lease, &addr, &lt_pref,
+ &lt_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;
+
+ 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)));
+
+ 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(option, &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, &lt_pref,
+ &lt_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, &lt_pref,
+ &lt_valid) == -ENOMSG);
+
+ return 0;
+}
+
+static int test_client_send_advertise(DHCP6Message *solicit) {
+ DHCP6Message advertise;
+
+ 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, &lt_pref,
+ &lt_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;
+
+ 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);
+
+ 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;
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-01 09:53:23 +0000