test-dhcp-client.c revision 52efd56a6369e19c2400a42981a197cd2eef924a
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering/***
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering This file is part of systemd.
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering Copyright (C) 2013 Intel Corporation. All rights reserved.
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering systemd is free software; you can redistribute it and/or modify it
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering under the terms of the GNU Lesser General Public License as published by
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering the Free Software Foundation; either version 2.1 of the License, or
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering (at your option) any later version.
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering systemd is distributed in the hope that it will be useful, but
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering WITHOUT ANY WARRANTY; without even the implied warranty of
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering Lesser General Public License for more details.
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering You should have received a copy of the GNU Lesser General Public License
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering along with systemd; If not, see <http://www.gnu.org/licenses/>.
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering***/
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include <errno.h>
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include <stdio.h>
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering#include <sys/socket.h>
430f0182b72373145c839dbfe99d2382855cb8f8Lennart Poettering#include <unistd.h>
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "util.h"
6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include "sd-event.h"
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering#include "event-util.h"
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann#include "dhcp-identifier.h"
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering#include "dhcp-protocol.h"
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering#include "dhcp-internal.h"
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering#include "sd-dhcp-client.h"
097df453dab149f6b45f1b30510363acd8f11593Filipe Brandenburger
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic uint8_t mac_addr[] = {'A', 'B', 'C', '1', '2', '3'};
097df453dab149f6b45f1b30510363acd8f11593Filipe Brandenburger
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringtypedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp);
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic bool verbose = true;
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic int test_fd[2];
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic test_callback_recv_t callback_recv;
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic be32_t xid;
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic sd_event_source *test_hangcheck;
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic int test_dhcp_hangcheck(sd_event_source *s, uint64_t usec, void *userdata) {
34a3e4ecad5fd2042eb83ffcbf30379a536cc3eeLennart Poettering assert_not_reached("Test case should have completed in 2 seconds");
34a3e4ecad5fd2042eb83ffcbf30379a536cc3eeLennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering return 0;
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering}
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poetteringstatic void test_request_basic(sd_event *e) {
097df453dab149f6b45f1b30510363acd8f11593Filipe Brandenburger int r;
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering sd_dhcp_client *client;
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering if (verbose)
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering printf("* %s\n", __FUNCTION__);
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering
dbf1f77bf727f7566f25553232b33843ecc172f0Zbigniew Jędrzejewski-Szmek r = sd_dhcp_client_new(&client);
dbf1f77bf727f7566f25553232b33843ecc172f0Zbigniew Jędrzejewski-Szmek
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering assert_se(r >= 0);
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering assert_se(client);
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering r = sd_dhcp_client_attach_event(client, e, 0);
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering assert_se(r >= 0);
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering assert_se(sd_dhcp_client_set_request_option(NULL, 0) == -EINVAL);
dbf1f77bf727f7566f25553232b33843ecc172f0Zbigniew Jędrzejewski-Szmek assert_se(sd_dhcp_client_set_request_address(NULL, NULL) == -EINVAL);
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering assert_se(sd_dhcp_client_set_index(NULL, 0) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_index(client, 15) == 0);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_index(client, -42) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_index(client, -1) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_index(client, 0) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_index(client, 1) == 0);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_SUBNET_MASK) == -EEXIST);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_ROUTER) == -EEXIST);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_HOST_NAME) == -EEXIST);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_DOMAIN_NAME) == -EEXIST);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_DOMAIN_NAME_SERVER) == -EEXIST);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_PAD) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_END) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_MESSAGE_TYPE) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_OVERLOAD) == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client,
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann DHCP_OPTION_PARAMETER_REQUEST_LIST)
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann == -EINVAL);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client, 33) == 0);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client, 33) == -EEXIST);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client, 44) == 0);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann assert_se(sd_dhcp_client_set_request_option(client, 33) == -EEXIST);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann sd_dhcp_client_unref(client);
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann}
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmann
80b4378314cf62148fd053e97018cc5c78dd6af6David Herrmannstatic void test_checksum(void) {
4b7c1d5d6a006088910bac42ab3b777be9cf3cc1Lennart Poettering uint8_t buf[20] = {
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering 0x45, 0x00, 0x02, 0x40, 0x00, 0x00, 0x00, 0x00,
2822da4fb7f891e5320f02f1d00f64b72221ced4Lennart Poettering 0x40, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0xff, 0xff, 0xff, 0xff
};
if (verbose)
printf("* %s\n", __FUNCTION__);
assert_se(dhcp_packet_checksum((uint8_t*)&buf, 20) == be16toh(0x78ae));
}
static int check_options(uint8_t code, uint8_t len, const void *option, void *userdata) {
switch(code) {
case DHCP_OPTION_CLIENT_IDENTIFIER:
{
uint32_t iaid;
struct duid duid;
size_t duid_len;
assert_se(dhcp_identifier_set_duid_en(&duid, &duid_len) >= 0);
assert_se(dhcp_identifier_set_iaid(42, mac_addr, ETH_ALEN, &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;
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, &mac_addr, ETH_ALEN) == 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 index,
union sockaddr_union *link,
uint32_t id,
const uint8_t *addr, size_t addr_len,
uint16_t arp_type) {
if (socketpair(AF_UNIX, SOCK_STREAM, 0, test_fd) < 0)
return -errno;
return test_fd[0];
}
int dhcp_network_bind_udp_socket(be32_t address, uint16_t port) {
int fd;
fd = socket(AF_INET, SOCK_DGRAM|SOCK_CLOEXEC, 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);
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", __FUNCTION__);
r = sd_dhcp_client_new(&client);
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_index(client, 42) >= 0);
assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0);
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(res == 0 || res == -EINPROGRESS);
sd_event_run(e, (uint64_t) -1);
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 void test_addr_acq_acquired(sd_dhcp_client *client, int event,
void *userdata) {
sd_event *e = userdata;
sd_dhcp_lease *lease;
struct in_addr addr;
assert_se(client);
assert_se(event == DHCP_EVENT_IP_ACQUIRE);
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, &addr) >= 0);
assert_se(memcmp(&addr.s_addr, &test_addr_acq_ack[308],
sizeof(addr.s_addr)) == 0);
if (verbose)
printf(" DHCP address acquired\n");
sd_event_exit(e, 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);
assert_se(res == DHCP_REQUEST);
assert_se(xid == request->xid);
assert_se(msg_bytes[size - 1] == 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], &mac_addr, ETHER_ADDR_LEN);
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);
assert_se(res == DHCP_DISCOVER);
assert_se(msg_bytes[size - 1] == 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], &mac_addr, ETHER_ADDR_LEN);
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) {
usec_t time_now = now(clock_boottime_or_monotonic());
sd_dhcp_client *client;
int res, r;
if (verbose)
printf("* %s\n", __FUNCTION__);
r = sd_dhcp_client_new(&client);
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_index(client, 42) >= 0);
assert_se(sd_dhcp_client_set_mac(client, mac_addr, ETH_ALEN, ARPHRD_ETHER) >= 0);
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(e, &test_hangcheck,
clock_boottime_or_monotonic(),
time_now + 2 * USEC_PER_SEC, 0,
test_dhcp_hangcheck, NULL) >= 0);
res = sd_dhcp_client_start(client);
assert_se(res == 0 || res == -EINPROGRESS);
assert_se(sd_event_loop(e) >= 0);
test_hangcheck = sd_event_source_unref(test_hangcheck);
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_event_unref_ sd_event *e;
log_set_max_level(LOG_DEBUG);
log_parse_environment();
log_open();
assert_se(sd_event_new(&e) >= 0);
test_request_basic(e);
test_checksum();
test_discover_message(e);
test_addr_acq(e);
#ifdef 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;
}