+++ /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'}
-};
-
-typedef int (*test_callback_recv_t)(size_t size, DHCPMessage *dhcp);
-
-static bool verbose = false;
-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", __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_request_option(NULL, 0) == -EINVAL);
- assert_se(sd_dhcp_client_set_request_address(NULL, NULL) == -EINVAL);
- assert_se(sd_dhcp_client_set_index(NULL, 0) == -EINVAL);
-
- assert_se(sd_dhcp_client_set_index(client, 15) == 0);
- assert_se(sd_dhcp_client_set_index(client, -42) == -EINVAL);
- assert_se(sd_dhcp_client_set_index(client, -1) == 0);
-
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_SUBNET_MASK) == -EEXIST);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_ROUTER) == -EEXIST);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_HOST_NAME) == -EEXIST);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_DOMAIN_NAME) == -EEXIST);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_DOMAIN_NAME_SERVER)
- == -EEXIST);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_NTP_SERVER) == -EEXIST);
-
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_PAD) == -EINVAL);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_END) == -EINVAL);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_MESSAGE_TYPE) == -EINVAL);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_OVERLOAD) == -EINVAL);
- assert_se(sd_dhcp_client_set_request_option(client,
- DHCP_OPTION_PARAMETER_REQUEST_LIST)
- == -EINVAL);
-
- assert_se(sd_dhcp_client_set_request_option(client, 33) == 0);
- assert_se(sd_dhcp_client_set_request_option(client, 33) == -EEXIST);
- assert_se(sd_dhcp_client_set_request_option(client, 44) == 0);
- assert_se(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
- };
-
- if (verbose)
- printf("* %s\n", __FUNCTION__);
-
- assert_se(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;
-
- assert_se(s >= 0);
- assert_se(packet);
-
- size = sizeof(DHCPPacket) + 4;
- 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 = ~client_checksum(&discover->ip.ttl, len - 8);
- assert_se(udp_check == 0xffff);
-
- discover->ip.ttl = IPDEFTTL;
- discover->ip.check = ip_check;
-
- ip_check = ~client_checksum(&discover->ip, sizeof(discover->ip));
- assert_se(ip_check == 0xffff);
-
- assert_se(discover->dhcp.xid);
- assert_se(memcmp(discover->dhcp.chaddr,
- &mac_addr.ether_addr_octet, 6) == 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)
-{
- 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 address, uint16_t port)
-{
- return 0;
-}
-
-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) >= 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_free(client);
-
- close(test_fd[0]);
- 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;
- int res;
-
- res = dhcp_option_parse(request, size, check_options, NULL);
- assert_se(res == DHCP_REQUEST);
- assert_se(xid == request->xid);
-
- 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_octet,
- 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;
- int res;
-
- res = dhcp_option_parse(discover, size, check_options, NULL);
- assert_se(res == DHCP_DISCOVER);
-
- 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_octet,
- 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(" send 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", __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) >= 0);
-
- assert_se(sd_dhcp_client_set_callback(client, test_addr_acq_acquired, e)
- >= 0);
-
- callback_recv = test_addr_acq_recv_discover;
-
- res = sd_dhcp_client_start(client);
- assert_se(res == 0 || res == -EINPROGRESS);
-
- sd_event_loop(e);
-
- sd_dhcp_client_set_callback(client, NULL, NULL);
- sd_dhcp_client_stop(client);
- sd_dhcp_client_free(client);
-
- close(test_fd[0]);
- close(test_fd[1]);
-
- callback_recv = NULL;
- xid = 0;
-}
-
-int main(int argc, char *argv[])
-{
- sd_event *e;
-
- assert_se(sd_event_new(&e) >= 0);
-
- test_request_basic(e);
- test_checksum();
-
- test_discover_message(e);
- test_addr_acq(e);
-
- return 0;
-}
~ianmdlvl / elogind.git / blobdiff