+++ /dev/null
-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
-/***
- This file is part of systemd.
-
- Copyright (C) 2013 Intel Corporation. All rights reserved.
-
- 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 <stdlib.h>
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <unistd.h>
-
-#include "util.h"
-#include "socket-util.h"
-
-#include "dhcp-protocol.h"
-#include "dhcp-internal.h"
-#include "sd-dhcp-client.h"
-
-static struct ether_addr mac_addr = {
- .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}
-};
-
-static int test_fd[2];
-
-static void test_request_basic(sd_event *e)
-{
- sd_dhcp_client *client;
-
- client = sd_dhcp_client_new(e);
-
- assert(client);
-
- assert(sd_dhcp_client_set_request_option(NULL, 0) == -EINVAL);
- assert(sd_dhcp_client_set_request_address(NULL, NULL) == -EINVAL);
- assert(sd_dhcp_client_set_index(NULL, 0) == -EINVAL);
-
- assert(sd_dhcp_client_set_index(client, 15) == 0);
- assert(sd_dhcp_client_set_index(client, -42) == -EINVAL);
- assert(sd_dhcp_client_set_index(client, -1) == 0);
-
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_SUBNET_MASK) == -EEXIST);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_ROUTER) == -EEXIST);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_HOST_NAME) == -EEXIST);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_DOMAIN_NAME) == -EEXIST);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_DOMAIN_NAME_SERVER)
- == -EEXIST);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_NTP_SERVER) == -EEXIST);
-
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_PAD) == -EINVAL);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_END) == -EINVAL);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_MESSAGE_TYPE) == -EINVAL);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_OVERLOAD) == -EINVAL);
- assert(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_PARAMETER_REQUEST_LIST)
- == -EINVAL);
-
- assert(sd_dhcp_client_set_request_option(client, 33) == 0);
- assert(sd_dhcp_client_set_request_option(client, 33) == -EEXIST);
- assert(sd_dhcp_client_set_request_option(client, 44) == 0);
- assert(sd_dhcp_client_set_request_option(client, 33) == -EEXIST);
-}
-
-static uint16_t client_checksum(void *buf, int len)
-{
- uint32_t sum;
- uint16_t *check;
- int i;
- uint8_t *odd;
-
- sum = 0;
- check = buf;
-
- for (i = 0; i < len / 2 ; i++)
- sum += check[i];
-
- if (len & 0x01) {
- odd = buf;
- sum += odd[len - 1];
- }
-
- while (sum >> 16)
- sum = (sum & 0xffff) + (sum >> 16);
-
- return ~sum;
-}
-
-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
- };
-
- assert(client_checksum(&buf, 20) == be16toh(0x78ae));
-}
-
-static int check_options(uint8_t code, uint8_t len, const uint8_t *option,
- void *user_data)
-{
- 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;
- int res;
-
- assert(s >= 0);
- assert(packet);
-
- size = sizeof(DHCPPacket) + 4;
- assert(len > size);
-
- discover = memdup(packet, len);
-
- assert(memcmp(discover->dhcp.chaddr,
- &mac_addr.ether_addr_octet, 6) == 0);
- assert(discover->ip.ttl == IPDEFTTL);
- assert(discover->ip.protocol == IPPROTO_UDP);
- assert(discover->ip.saddr == INADDR_ANY);
- assert(discover->ip.daddr == INADDR_BROADCAST);
- assert(discover->udp.source == be16toh(DHCP_PORT_CLIENT));
- assert(discover->udp.dest == be16toh(DHCP_PORT_SERVER));
-
- ip_check = discover->ip.check;
-
- discover->ip.ttl = 0;
- discover->ip.check = discover->udp.len;
-
- udp_check = ~client_checksum(&discover->ip.ttl, len - 8);
- assert(udp_check == 0xffff);
-
- discover->ip.ttl = IPDEFTTL;
- discover->ip.check = ip_check;
-
- ip_check = ~client_checksum(&discover->ip, sizeof(discover->ip));
- assert(ip_check == 0xffff);
-
- size = len - sizeof(struct iphdr) - sizeof(struct udphdr);
-
- res = dhcp_option_parse(&discover->dhcp, size, check_options, NULL);
- if (res < 0)
- return res;
-
- return 575;
-}
-
-int dhcp_network_bind_raw_socket(int index, union sockaddr_union *link)
-{
- if (socketpair(AF_UNIX, SOCK_STREAM, 0, test_fd) < 0)
- return -errno;
-
- return test_fd[0];
-}
-
-int dhcp_network_bind_udp_socket(int index, be32_t client_address)
-{
- return 0;
-}
-
-int dhcp_network_send_udp_socket(int s, be32_t server_address,
- const void *packet, size_t len)
-{
- return 0;
-}
-
-static void test_discover_message(sd_event *e)
-{
- sd_dhcp_client *client;
- int res;
-
- client = sd_dhcp_client_new(e);
- assert(client);
-
- assert(sd_dhcp_client_set_index(client, 42) >= 0);
- assert(sd_dhcp_client_set_mac(client, &mac_addr) >= 0);
-
- assert(sd_dhcp_client_set_request_option(client, 248) >= 0);
-
- res = sd_dhcp_client_start(client);
-
- assert(res == 0 || res == -EINPROGRESS);
-
- close(test_fd[0]);
- close(test_fd[1]);
-}
-
-int main(int argc, char *argv[])
-{
- sd_event *e;
-
- assert(sd_event_new(&e) >= 0);
-
- test_request_basic(e);
- test_checksum();
-
- test_discover_message(e);
- sd_event_run(e, (uint64_t) -1);
-
- return 0;
-}
~ianmdlvl / elogind.git / blobdiff