222 lines
7.0 KiB
C
222 lines
7.0 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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/***
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This file is part of systemd.
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Copyright (C) 2014 Axis Communications AB. All rights reserved.
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <assert.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include "sd-ipv4ll.h"
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#include "arp-util.h"
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#include "fd-util.h"
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#include "socket-util.h"
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#include "util.h"
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static bool verbose = false;
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static bool extended = false;
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static int test_fd[2];
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static int basic_request_handler_bind = 0;
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static int basic_request_handler_stop = 0;
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static void* basic_request_handler_userdata = (void*)0xCABCAB;
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static void basic_request_handler(sd_ipv4ll *ll, int event, void *userdata) {
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assert_se(userdata == basic_request_handler_userdata);
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switch(event) {
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case SD_IPV4LL_EVENT_STOP:
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basic_request_handler_stop = 1;
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break;
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case SD_IPV4LL_EVENT_BIND:
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basic_request_handler_bind = 1;
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break;
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default:
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assert_se(0);
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break;
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}
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}
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static int arp_network_send_raw_socket(int fd, int ifindex,
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const struct ether_arp *arp) {
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assert_se(arp);
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assert_se(ifindex > 0);
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assert_se(fd >= 0);
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if (send(fd, arp, sizeof(struct ether_arp), 0) < 0)
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return -errno;
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return 0;
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}
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int arp_send_probe(int fd, int ifindex,
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be32_t pa, const struct ether_addr *ha) {
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struct ether_arp ea = {};
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assert(fd >= 0);
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assert(ifindex > 0);
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assert(pa != 0);
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assert(ha);
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return arp_network_send_raw_socket(fd, ifindex, &ea);
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}
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int arp_send_announcement(int fd, int ifindex,
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be32_t pa, const struct ether_addr *ha) {
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struct ether_arp ea = {};
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assert(fd >= 0);
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assert(ifindex > 0);
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assert(pa != 0);
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assert(ha);
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return arp_network_send_raw_socket(fd, ifindex, &ea);
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}
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int arp_network_bind_raw_socket(int index, be32_t address, const struct ether_addr *eth_mac) {
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if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, test_fd) < 0)
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return -errno;
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return test_fd[0];
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}
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static void test_public_api_setters(sd_event *e) {
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struct in_addr address = {};
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unsigned seed = 0;
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sd_ipv4ll *ll;
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struct ether_addr mac_addr = {
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.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}};
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if (verbose)
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printf("* %s\n", __FUNCTION__);
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assert_se(sd_ipv4ll_new(&ll) == 0);
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assert_se(ll);
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assert_se(sd_ipv4ll_attach_event(NULL, NULL, 0) == -EINVAL);
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assert_se(sd_ipv4ll_attach_event(ll, e, 0) == 0);
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assert_se(sd_ipv4ll_attach_event(ll, e, 0) == -EBUSY);
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assert_se(sd_ipv4ll_set_callback(NULL, NULL, NULL) == -EINVAL);
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assert_se(sd_ipv4ll_set_callback(ll, NULL, NULL) == 0);
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assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
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address.s_addr |= htobe32(169U << 24 | 254U << 16);
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assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
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address.s_addr |= htobe32(0x00FF);
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assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
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address.s_addr |= htobe32(0xF000);
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assert_se(sd_ipv4ll_set_address(ll, &address) == 0);
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address.s_addr |= htobe32(0x0F00);
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assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
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assert_se(sd_ipv4ll_set_address_seed(NULL, seed) == -EINVAL);
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assert_se(sd_ipv4ll_set_address_seed(ll, seed) == 0);
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assert_se(sd_ipv4ll_set_mac(NULL, NULL) == -EINVAL);
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assert_se(sd_ipv4ll_set_mac(ll, NULL) == -EINVAL);
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assert_se(sd_ipv4ll_set_mac(ll, &mac_addr) == 0);
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assert_se(sd_ipv4ll_set_index(NULL, -1) == -EINVAL);
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assert_se(sd_ipv4ll_set_index(ll, -1) == -EINVAL);
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assert_se(sd_ipv4ll_set_index(ll, -99) == -EINVAL);
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assert_se(sd_ipv4ll_set_index(ll, 1) == 0);
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assert_se(sd_ipv4ll_set_index(ll, 99) == 0);
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assert_se(sd_ipv4ll_ref(ll) == ll);
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assert_se(sd_ipv4ll_unref(ll) == NULL);
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/* Cleanup */
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assert_se(sd_ipv4ll_unref(ll) == NULL);
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}
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static void test_basic_request(sd_event *e) {
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sd_ipv4ll *ll;
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struct ether_arp arp;
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struct ether_addr mac_addr = {
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.ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}};
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if (verbose)
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printf("* %s\n", __FUNCTION__);
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assert_se(sd_ipv4ll_new(&ll) == 0);
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assert_se(sd_ipv4ll_start(ll) == -EINVAL);
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assert_se(sd_ipv4ll_attach_event(ll, e, 0) == 0);
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assert_se(sd_ipv4ll_start(ll) == -EINVAL);
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assert_se(sd_ipv4ll_set_mac(ll, &mac_addr) == 0);
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assert_se(sd_ipv4ll_start(ll) == -EINVAL);
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assert_se(sd_ipv4ll_set_callback(ll, basic_request_handler,
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basic_request_handler_userdata) == 0);
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assert_se(sd_ipv4ll_start(ll) == -EINVAL);
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assert_se(sd_ipv4ll_set_index(ll, 1) == 0);
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assert_se(sd_ipv4ll_start(ll) == 0);
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sd_event_run(e, (uint64_t) -1);
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assert_se(sd_ipv4ll_start(ll) == -EBUSY);
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assert_se(sd_ipv4ll_is_running(ll));
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/* PROBE */
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sd_event_run(e, (uint64_t) -1);
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assert_se(read(test_fd[1], &arp, sizeof(struct ether_arp)) == sizeof(struct ether_arp));
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if (extended) {
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/* PROBE */
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sd_event_run(e, (uint64_t) -1);
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assert_se(read(test_fd[1], &arp, sizeof(struct ether_arp)) == sizeof(struct ether_arp));
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/* PROBE */
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sd_event_run(e, (uint64_t) -1);
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assert_se(read(test_fd[1], &arp, sizeof(struct ether_arp)) == sizeof(struct ether_arp));
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sd_event_run(e, (uint64_t) -1);
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assert_se(basic_request_handler_bind == 1);
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}
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sd_ipv4ll_stop(ll);
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assert_se(basic_request_handler_stop == 1);
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/* Cleanup */
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assert_se(sd_ipv4ll_unref(ll) == NULL);
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safe_close(test_fd[1]);
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}
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int main(int argc, char *argv[]) {
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_cleanup_(sd_event_unrefp) sd_event *e = NULL;
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log_set_max_level(LOG_DEBUG);
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log_parse_environment();
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log_open();
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assert_se(sd_event_new(&e) >= 0);
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test_public_api_setters(e);
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test_basic_request(e);
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return 0;
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}
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