diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 15:35:18 +0000 |
commit | b750101eb236130cf056c675997decbac904cc49 (patch) | |
tree | a5df1a06754bdd014cb975c051c83b01c9a97532 /src/libsystemd-network/test-dhcp-client.c | |
parent | Initial commit. (diff) | |
download | systemd-upstream.tar.xz systemd-upstream.zip |
Adding upstream version 252.22.upstream/252.22upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/libsystemd-network/test-dhcp-client.c | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/src/libsystemd-network/test-dhcp-client.c b/src/libsystemd-network/test-dhcp-client.c new file mode 100644 index 0000000..787dcf1 --- /dev/null +++ b/src/libsystemd-network/test-dhcp-client.c @@ -0,0 +1,557 @@ +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/*** + Copyright © 2013 Intel Corporation. All rights reserved. +***/ + +#include <errno.h> +#include <net/if.h> +#include <net/if_arp.h> +#include <stdio.h> +#include <sys/socket.h> +#include <unistd.h> + +#include "sd-dhcp-client.h" +#include "sd-event.h" + +#include "alloc-util.h" +#include "dhcp-identifier.h" +#include "dhcp-internal.h" +#include "dhcp-protocol.h" +#include "ether-addr-util.h" +#include "fd-util.h" +#include "random-util.h" +#include "tests.h" +#include "util.h" + +static struct hw_addr_data hw_addr = { + .length = ETH_ALEN, + .ether = {{ 'A', 'B', 'C', '1', '2', '3' }}, +}, bcast_addr = { + .length = ETH_ALEN, + .ether = {{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }}, +}; +typedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp); + +static bool verbose = true; +static int test_fd[2]; +static test_callback_recv_t callback_recv; +static be32_t xid; + +static void test_request_basic(sd_event *e) { + int r; + + sd_dhcp_client *client; + + if (verbose) + printf("* %s\n", __func__); + + /* Initialize client without Anonymize settings. */ + r = sd_dhcp_client_new(&client, false); + + assert_se(r >= 0); + assert_se(client); + + r = sd_dhcp_client_attach_event(client, e, 0); + assert_se(r >= 0); + + assert_se(sd_dhcp_client_set_request_option(NULL, 0) == -EINVAL); + assert_se(sd_dhcp_client_set_request_address(NULL, NULL) == -EINVAL); + assert_se(sd_dhcp_client_set_ifindex(NULL, 0) == -EINVAL); + + assert_se(sd_dhcp_client_set_ifindex(client, 15) == 0); + assert_se(sd_dhcp_client_set_ifindex(client, -42) == -EINVAL); + assert_se(sd_dhcp_client_set_ifindex(client, -1) == -EINVAL); + assert_se(sd_dhcp_client_set_ifindex(client, 0) == -EINVAL); + assert_se(sd_dhcp_client_set_ifindex(client, 1) == 0); + + assert_se(sd_dhcp_client_set_hostname(client, "host") == 1); + assert_se(sd_dhcp_client_set_hostname(client, "host.domain") == 1); + assert_se(sd_dhcp_client_set_hostname(client, NULL) == 1); + assert_se(sd_dhcp_client_set_hostname(client, "~host") == -EINVAL); + assert_se(sd_dhcp_client_set_hostname(client, "~host.domain") == -EINVAL); + + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_SUBNET_MASK) == 0); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_ROUTER) == 0); + /* This PRL option is not set when using Anonymize, but in this test + * Anonymize settings are not being used. */ + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_HOST_NAME) == 0); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_DOMAIN_NAME) == 0); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_DOMAIN_NAME_SERVER) == 0); + + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_PAD) == -EINVAL); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_END) == -EINVAL); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_MESSAGE_TYPE) == -EINVAL); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_OVERLOAD) == -EINVAL); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_PARAMETER_REQUEST_LIST) == -EINVAL); + + /* RFC7844: option 33 (SD_DHCP_OPTION_STATIC_ROUTE) is set in the + * default PRL when using Anonymize, so it is changed to other option + * that is not set by default, to check that it was set successfully. + * Options not set by default (using or not anonymize) are option 17 + * (SD_DHCP_OPTION_ROOT_PATH) and 42 (SD_DHCP_OPTION_NTP_SERVER) */ + assert_se(sd_dhcp_client_set_request_option(client, 17) == 1); + assert_se(sd_dhcp_client_set_request_option(client, 17) == 0); + assert_se(sd_dhcp_client_set_request_option(client, 42) == 1); + assert_se(sd_dhcp_client_set_request_option(client, 17) == 0); + + sd_dhcp_client_unref(client); +} + +static void test_request_anonymize(sd_event *e) { + int r; + + sd_dhcp_client *client; + + if (verbose) + printf("* %s\n", __func__); + + /* Initialize client with Anonymize settings. */ + r = sd_dhcp_client_new(&client, true); + + assert_se(r >= 0); + assert_se(client); + + r = sd_dhcp_client_attach_event(client, e, 0); + assert_se(r >= 0); + + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_NETBIOS_NAME_SERVER) == 0); + /* This PRL option is not set when using Anonymize */ + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_HOST_NAME) == 1); + assert_se(sd_dhcp_client_set_request_option(client, SD_DHCP_OPTION_PARAMETER_REQUEST_LIST) == -EINVAL); + + /* RFC7844: option 101 (SD_DHCP_OPTION_NEW_TZDB_TIMEZONE) is not set in the + * default PRL when using Anonymize, */ + assert_se(sd_dhcp_client_set_request_option(client, 101) == 1); + assert_se(sd_dhcp_client_set_request_option(client, 101) == 0); + + sd_dhcp_client_unref(client); +} + +static void test_checksum(void) { + uint8_t buf[20] = { + 0x45, 0x00, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00, + 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xff, 0xff, 0xff, 0xff + }; + + if (verbose) + printf("* %s\n", __func__); + + assert_se(dhcp_packet_checksum((uint8_t*)&buf, 20) == be16toh(0x78ae)); +} + +static void test_dhcp_identifier_set_iaid(void) { + uint32_t iaid_legacy; + be32_t iaid; + + assert_se(dhcp_identifier_set_iaid(42, &hw_addr, /* legacy = */ true, + /* use_mac = */ true, &iaid_legacy) >= 0); + assert_se(dhcp_identifier_set_iaid(42, &hw_addr, /* legacy = */ false, + /* use_mac = */ true, &iaid) >= 0); + + /* we expect, that the MAC address was hashed. The legacy value is in native + * endianness. */ + assert_se(iaid_legacy == 0x8dde4ba8u); + assert_se(iaid == htole32(0x8dde4ba8u)); +#if __BYTE_ORDER == __LITTLE_ENDIAN + assert_se(iaid == iaid_legacy); +#else + assert_se(iaid == bswap_32(iaid_legacy)); +#endif +} + +static int check_options(uint8_t code, uint8_t len, const void *option, void *userdata) { + switch (code) { + case SD_DHCP_OPTION_CLIENT_IDENTIFIER: + { + uint32_t iaid; + struct duid duid; + size_t duid_len; + + assert_se(dhcp_identifier_set_duid_en(/* test_mode = */ true, &duid, &duid_len) >= 0); + assert_se(dhcp_identifier_set_iaid(42, &hw_addr, /* legacy = */ true, /* use_mac = */ true, &iaid) >= 0); + + assert_se(len == sizeof(uint8_t) + sizeof(uint32_t) + duid_len); + assert_se(len == 19); + assert_se(((uint8_t*) option)[0] == 0xff); + + assert_se(memcmp((uint8_t*) option + 1, &iaid, sizeof(iaid)) == 0); + assert_se(memcmp((uint8_t*) option + 5, &duid, duid_len) == 0); + break; + } + + default: + break; + } + + return 0; +} + +int dhcp_network_send_raw_socket(int s, const union sockaddr_union *link, const void *packet, size_t len) { + size_t size; + _cleanup_free_ DHCPPacket *discover = NULL; + uint16_t ip_check, udp_check; + + assert_se(s >= 0); + assert_se(packet); + + size = sizeof(DHCPPacket); + assert_se(len > size); + + discover = memdup(packet, len); + + assert_se(discover->ip.ttl == IPDEFTTL); + assert_se(discover->ip.protocol == IPPROTO_UDP); + assert_se(discover->ip.saddr == INADDR_ANY); + assert_se(discover->ip.daddr == INADDR_BROADCAST); + assert_se(discover->udp.source == be16toh(DHCP_PORT_CLIENT)); + assert_se(discover->udp.dest == be16toh(DHCP_PORT_SERVER)); + + ip_check = discover->ip.check; + + discover->ip.ttl = 0; + discover->ip.check = discover->udp.len; + + udp_check = ~dhcp_packet_checksum((uint8_t*)&discover->ip.ttl, len - 8); + assert_se(udp_check == 0xffff); + + discover->ip.ttl = IPDEFTTL; + discover->ip.check = ip_check; + + ip_check = ~dhcp_packet_checksum((uint8_t*)&discover->ip, sizeof(discover->ip)); + assert_se(ip_check == 0xffff); + + assert_se(discover->dhcp.xid); + assert_se(memcmp(discover->dhcp.chaddr, hw_addr.bytes, hw_addr.length) == 0); + + size = len - sizeof(struct iphdr) - sizeof(struct udphdr); + + assert_se(callback_recv); + callback_recv(size, &discover->dhcp); + + return 575; +} + +int dhcp_network_bind_raw_socket( + int ifindex, + union sockaddr_union *link, + uint32_t id, + const struct hw_addr_data *_hw_addr, + const struct hw_addr_data *_bcast_addr, + uint16_t arp_type, uint16_t port) { + + if (socketpair(AF_UNIX, SOCK_STREAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_fd) < 0) + return -errno; + + return test_fd[0]; +} + +int dhcp_network_bind_udp_socket(int ifindex, be32_t address, uint16_t port, int ip_service_type) { + int fd; + + fd = socket(AF_INET, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0); + if (fd < 0) + return -errno; + + return fd; +} + +int dhcp_network_send_udp_socket(int s, be32_t address, uint16_t port, const void *packet, size_t len) { + return 0; +} + +static int test_discover_message_verify(size_t size, struct DHCPMessage *dhcp) { + int res; + + res = dhcp_option_parse(dhcp, size, check_options, NULL, NULL); + assert_se(res == DHCP_DISCOVER); + + if (verbose) + printf(" recv DHCP Discover 0x%08x\n", be32toh(dhcp->xid)); + + return 0; +} + +static void test_discover_message(sd_event *e) { + sd_dhcp_client *client; + int res, r; + + if (verbose) + printf("* %s\n", __func__); + + r = sd_dhcp_client_new(&client, false); + assert_se(r >= 0); + assert_se(client); + + r = sd_dhcp_client_attach_event(client, e, 0); + assert_se(r >= 0); + + assert_se(sd_dhcp_client_set_ifindex(client, 42) >= 0); + assert_se(sd_dhcp_client_set_mac(client, hw_addr.bytes, bcast_addr.bytes, hw_addr.length, ARPHRD_ETHER) >= 0); + dhcp_client_set_test_mode(client, true); + + assert_se(sd_dhcp_client_set_request_option(client, 248) >= 0); + + callback_recv = test_discover_message_verify; + + res = sd_dhcp_client_start(client); + + assert_se(IN_SET(res, 0, -EINPROGRESS)); + + sd_event_run(e, UINT64_MAX); + + sd_dhcp_client_stop(client); + sd_dhcp_client_unref(client); + + test_fd[1] = safe_close(test_fd[1]); + + callback_recv = NULL; +} + +static uint8_t test_addr_acq_offer[] = { + 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, + 0x80, 0x11, 0xb3, 0x84, 0xc0, 0xa8, 0x02, 0x01, + 0xc0, 0xa8, 0x02, 0xbf, 0x00, 0x43, 0x00, 0x44, + 0x01, 0x34, 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, + 0x6f, 0x95, 0x2f, 0x30, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x02, 0xbf, + 0xc0, 0xa8, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x63, 0x82, 0x53, 0x63, 0x35, 0x01, 0x02, 0x36, + 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x33, 0x04, 0x00, + 0x00, 0x02, 0x58, 0x01, 0x04, 0xff, 0xff, 0xff, + 0x00, 0x2a, 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x0f, + 0x09, 0x6c, 0x61, 0x62, 0x2e, 0x69, 0x6e, 0x74, + 0x72, 0x61, 0x03, 0x04, 0xc0, 0xa8, 0x02, 0x01, + 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +static uint8_t test_addr_acq_ack[] = { + 0x45, 0x10, 0x01, 0x48, 0x00, 0x00, 0x00, 0x00, + 0x80, 0x11, 0xb3, 0x84, 0xc0, 0xa8, 0x02, 0x01, + 0xc0, 0xa8, 0x02, 0xbf, 0x00, 0x43, 0x00, 0x44, + 0x01, 0x34, 0x00, 0x00, 0x02, 0x01, 0x06, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0xc0, 0xa8, 0x02, 0xbf, + 0xc0, 0xa8, 0x02, 0x01, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x63, 0x82, 0x53, 0x63, 0x35, 0x01, 0x05, 0x36, + 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x33, 0x04, 0x00, + 0x00, 0x02, 0x58, 0x01, 0x04, 0xff, 0xff, 0xff, + 0x00, 0x2a, 0x04, 0xc0, 0xa8, 0x02, 0x01, 0x0f, + 0x09, 0x6c, 0x61, 0x62, 0x2e, 0x69, 0x6e, 0x74, + 0x72, 0x61, 0x03, 0x04, 0xc0, 0xa8, 0x02, 0x01, + 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +}; + +static int test_addr_acq_acquired(sd_dhcp_client *client, int event, + void *userdata) { + sd_event *e = userdata; + sd_dhcp_lease *lease; + struct in_addr addr; + const struct in_addr *addrs; + + assert_se(client); + assert_se(IN_SET(event, SD_DHCP_CLIENT_EVENT_IP_ACQUIRE, SD_DHCP_CLIENT_EVENT_SELECTING)); + + assert_se(sd_dhcp_client_get_lease(client, &lease) >= 0); + assert_se(lease); + + assert_se(sd_dhcp_lease_get_address(lease, &addr) >= 0); + assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[44], + sizeof(addr.s_addr)) == 0); + + assert_se(sd_dhcp_lease_get_netmask(lease, &addr) >= 0); + assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[285], + sizeof(addr.s_addr)) == 0); + + assert_se(sd_dhcp_lease_get_router(lease, &addrs) == 1); + assert_se(memcmp(&addrs[0].s_addr, &test_addr_acq_ack[308], + sizeof(addrs[0].s_addr)) == 0); + + if (verbose) + printf(" DHCP address acquired\n"); + + sd_event_exit(e, 0); + + return 0; +} + +static int test_addr_acq_recv_request(size_t size, DHCPMessage *request) { + uint16_t udp_check = 0; + uint8_t *msg_bytes = (uint8_t *)request; + int res; + + res = dhcp_option_parse(request, size, check_options, NULL, NULL); + assert_se(res == DHCP_REQUEST); + assert_se(xid == request->xid); + + assert_se(msg_bytes[size - 1] == SD_DHCP_OPTION_END); + + if (verbose) + printf(" recv DHCP Request 0x%08x\n", be32toh(xid)); + + memcpy(&test_addr_acq_ack[26], &udp_check, sizeof(udp_check)); + memcpy(&test_addr_acq_ack[32], &xid, sizeof(xid)); + memcpy(&test_addr_acq_ack[56], hw_addr.bytes, hw_addr.length); + + callback_recv = NULL; + + res = write(test_fd[1], test_addr_acq_ack, + sizeof(test_addr_acq_ack)); + assert_se(res == sizeof(test_addr_acq_ack)); + + if (verbose) + printf(" send DHCP Ack\n"); + + return 0; +}; + +static int test_addr_acq_recv_discover(size_t size, DHCPMessage *discover) { + uint16_t udp_check = 0; + uint8_t *msg_bytes = (uint8_t *)discover; + int res; + + res = dhcp_option_parse(discover, size, check_options, NULL, NULL); + assert_se(res == DHCP_DISCOVER); + + assert_se(msg_bytes[size - 1] == SD_DHCP_OPTION_END); + + xid = discover->xid; + + if (verbose) + printf(" recv DHCP Discover 0x%08x\n", be32toh(xid)); + + memcpy(&test_addr_acq_offer[26], &udp_check, sizeof(udp_check)); + memcpy(&test_addr_acq_offer[32], &xid, sizeof(xid)); + memcpy(&test_addr_acq_offer[56], hw_addr.bytes, hw_addr.length); + + callback_recv = test_addr_acq_recv_request; + + res = write(test_fd[1], test_addr_acq_offer, + sizeof(test_addr_acq_offer)); + assert_se(res == sizeof(test_addr_acq_offer)); + + if (verbose) + printf(" sent DHCP Offer\n"); + + return 0; +} + +static void test_addr_acq(sd_event *e) { + sd_dhcp_client *client; + int res, r; + + if (verbose) + printf("* %s\n", __func__); + + r = sd_dhcp_client_new(&client, false); + assert_se(r >= 0); + assert_se(client); + + r = sd_dhcp_client_attach_event(client, e, 0); + assert_se(r >= 0); + + assert_se(sd_dhcp_client_set_ifindex(client, 42) >= 0); + assert_se(sd_dhcp_client_set_mac(client, hw_addr.bytes, bcast_addr.bytes, hw_addr.length, ARPHRD_ETHER) >= 0); + dhcp_client_set_test_mode(client, true); + + assert_se(sd_dhcp_client_set_callback(client, test_addr_acq_acquired, e) >= 0); + + callback_recv = test_addr_acq_recv_discover; + + assert_se(sd_event_add_time_relative(e, NULL, CLOCK_BOOTTIME, + 2 * USEC_PER_SEC, 0, + NULL, INT_TO_PTR(-ETIMEDOUT)) >= 0); + + res = sd_dhcp_client_start(client); + assert_se(IN_SET(res, 0, -EINPROGRESS)); + + assert_se(sd_event_loop(e) >= 0); + + assert_se(sd_dhcp_client_set_callback(client, NULL, NULL) >= 0); + assert_se(sd_dhcp_client_stop(client) >= 0); + sd_dhcp_client_unref(client); + + test_fd[1] = safe_close(test_fd[1]); + + callback_recv = NULL; + xid = 0; +} + +int main(int argc, char *argv[]) { + _cleanup_(sd_event_unrefp) sd_event *e; + + test_setup_logging(LOG_DEBUG); + + assert_se(sd_event_new(&e) >= 0); + + test_request_basic(e); + test_request_anonymize(e); + test_checksum(); + test_dhcp_identifier_set_iaid(); + + test_discover_message(e); + test_addr_acq(e); + +#if VALGRIND + /* Make sure the async_close thread has finished. + * valgrind would report some of the phread_* structures + * as not cleaned up properly. */ + sleep(1); +#endif + + return 0; +} |