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/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
/***
This file is part of systemd.
Copyright (C) 2013 Intel Corporation. All rights reserved.
Copyright (C) 2014 Tom Gundersen
systemd is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
systemd is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/
#include <netinet/if_ether.h>
#include <assert.h>
#include <errno.h>
#include "sd-event.h"
#include "event-util.h"
#include "sd-dhcp-server.h"
#include "dhcp-server-internal.h"
static void test_basic(sd_event *event) {
_cleanup_dhcp_server_unref_ sd_dhcp_server *server = NULL;
struct in_addr address_lo = {
.s_addr = htonl(INADDR_LOOPBACK),
};
struct in_addr address_any = {
.s_addr = htonl(INADDR_ANY),
};
/* attach to loopback interface */
assert_se(sd_dhcp_server_new(&server, 1) >= 0);
assert_se(server);
assert_se(sd_dhcp_server_attach_event(server, event, 0) >= 0);
assert_se(sd_dhcp_server_attach_event(server, event, 0) == -EBUSY);
assert_se(sd_dhcp_server_get_event(server) == event);
assert_se(sd_dhcp_server_detach_event(server) >= 0);
assert_se(!sd_dhcp_server_get_event(server));
assert_se(sd_dhcp_server_attach_event(server, NULL, 0) >= 0);
assert_se(sd_dhcp_server_attach_event(server, NULL, 0) == -EBUSY);
assert_se(sd_dhcp_server_ref(server) == server);
assert_se(!sd_dhcp_server_unref(server));
assert_se(sd_dhcp_server_start(server) == -EUNATCH);
assert_se(sd_dhcp_server_set_address(server, &address_any) == -EINVAL);
assert_se(sd_dhcp_server_set_address(server, &address_lo) >= 0);
assert_se(sd_dhcp_server_set_address(server, &address_lo) == -EBUSY);
assert_se(sd_dhcp_server_set_lease_pool(server, &address_any, 1) == -EINVAL);
assert_se(sd_dhcp_server_set_lease_pool(server, &address_lo, 0) == -EINVAL);
assert_se(sd_dhcp_server_set_lease_pool(server, &address_lo, 1) >= 0);
assert_se(sd_dhcp_server_set_lease_pool(server, &address_lo, 1) == -EBUSY);
assert_se(sd_dhcp_server_start(server) >= 0);
assert_se(sd_dhcp_server_start(server) == -EBUSY);
assert_se(sd_dhcp_server_stop(server) >= 0);
assert_se(sd_dhcp_server_stop(server) >= 0);
assert_se(sd_dhcp_server_start(server) >= 0);
}
static void test_message_handler(void) {
_cleanup_dhcp_server_unref_ sd_dhcp_server *server = NULL;
struct {
DHCPMessage message;
struct {
uint8_t code;
uint8_t length;
uint8_t type;
} _packed_ option_type;
struct {
uint8_t code;
uint8_t length;
be32_t address;
} _packed_ option_requested_ip;
struct {
uint8_t code;
uint8_t length;
be32_t address;
} _packed_ option_server_id;
uint8_t end;
} _packed_ test = {
.message.op = BOOTREQUEST,
.message.htype = ARPHRD_ETHER,
.message.hlen = ETHER_ADDR_LEN,
.message.xid = htobe32(0x12345678),
.message.chaddr = { 'A', 'B', 'C', 'D', 'E', 'F' },
.option_type.code = DHCP_OPTION_MESSAGE_TYPE,
.option_type.length = 1,
.option_type.type = DHCP_DISCOVER,
.end = DHCP_OPTION_END,
};
struct in_addr address_lo = {
.s_addr = htonl(INADDR_LOOPBACK),
};
assert_se(sd_dhcp_server_new(&server, 1) >= 0);
assert_se(sd_dhcp_server_set_address(server, &address_lo) >= 0);
assert_se(sd_dhcp_server_attach_event(server, NULL, 0) >= 0);
assert_se(sd_dhcp_server_start(server) >= 0);
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
assert_se(sd_dhcp_server_set_lease_pool(server, &address_lo, 10) >= 0);
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER);
test.end = 0;
/* TODO, shouldn't this fail? */
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER);
test.end = DHCP_OPTION_END;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER);
test.option_type.code = 0;
test.option_type.length = 0;
test.option_type.type = 0;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
test.option_type.code = DHCP_OPTION_MESSAGE_TYPE;
test.option_type.length = 1;
test.option_type.type = DHCP_DISCOVER;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER);
test.message.op = 0;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
test.message.op = BOOTREQUEST;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER);
test.message.htype = 0;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
test.message.htype = ARPHRD_ETHER;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER);
test.message.hlen = 0;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
test.message.hlen = ETHER_ADDR_LEN;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_OFFER);
test.option_type.type = DHCP_REQUEST;
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
test.option_requested_ip.code = DHCP_OPTION_REQUESTED_IP_ADDRESS;
test.option_requested_ip.length = 4;
test.option_requested_ip.address = htobe32(0x12345678);
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
test.option_server_id.code = DHCP_OPTION_SERVER_IDENTIFIER;
test.option_server_id.length = 4;
test.option_server_id.address = htobe32(INADDR_LOOPBACK);
test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3);
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == DHCP_ACK);
test.option_server_id.address = htobe32(0x12345678);
test.option_requested_ip.address = htobe32(INADDR_LOOPBACK + 3);
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 0);
test.option_server_id.address = htobe32(INADDR_LOOPBACK + 3);
test.option_requested_ip.address = htobe32(0x12345678);
assert_se(dhcp_server_handle_message(server, (DHCPMessage*)&test, sizeof(test)) == 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_basic(e);
test_message_handler();
return 0;
}
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