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Diffstat (limited to 'src/libsystemd-network/test/test-ipv4ll.c')
-rw-r--r--src/libsystemd-network/test/test-ipv4ll.c220
1 files changed, 220 insertions, 0 deletions
diff --git a/src/libsystemd-network/test/test-ipv4ll.c b/src/libsystemd-network/test/test-ipv4ll.c
new file mode 100644
index 0000000000..58912a1bf5
--- /dev/null
+++ b/src/libsystemd-network/test/test-ipv4ll.c
@@ -0,0 +1,220 @@
+/***
+ This file is part of systemd.
+
+ Copyright (C) 2014 Axis Communications AB. 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 <assert.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "systemd-basic/fd-util.h"
+#include "systemd-basic/socket-util.h"
+#include "systemd-basic/util.h"
+#include "systemd-network/arp-util.h"
+#include "systemd-network/sd-ipv4ll.h"
+
+static bool verbose = false;
+static bool extended = false;
+static int test_fd[2];
+
+static int basic_request_handler_bind = 0;
+static int basic_request_handler_stop = 0;
+static void* basic_request_handler_userdata = (void*) 0xCABCAB;
+
+static void basic_request_handler(sd_ipv4ll *ll, int event, void *userdata) {
+ assert_se(userdata == basic_request_handler_userdata);
+
+ switch(event) {
+ case SD_IPV4LL_EVENT_STOP:
+ basic_request_handler_stop = 1;
+ break;
+ case SD_IPV4LL_EVENT_BIND:
+ basic_request_handler_bind = 1;
+ break;
+ default:
+ assert_se(0);
+ break;
+ }
+}
+
+static int arp_network_send_raw_socket(int fd, int ifindex,
+ const struct ether_arp *arp) {
+ assert_se(arp);
+ assert_se(ifindex > 0);
+ assert_se(fd >= 0);
+
+ if (send(fd, arp, sizeof(struct ether_arp), 0) < 0)
+ return -errno;
+
+ return 0;
+}
+
+int arp_send_probe(int fd, int ifindex,
+ be32_t pa, const struct ether_addr *ha) {
+ struct ether_arp ea = {};
+
+ assert(fd >= 0);
+ assert(ifindex > 0);
+ assert(pa != 0);
+ assert(ha);
+
+ return arp_network_send_raw_socket(fd, ifindex, &ea);
+}
+
+int arp_send_announcement(int fd, int ifindex,
+ be32_t pa, const struct ether_addr *ha) {
+ struct ether_arp ea = {};
+
+ assert(fd >= 0);
+ assert(ifindex > 0);
+ assert(pa != 0);
+ assert(ha);
+
+ return arp_network_send_raw_socket(fd, ifindex, &ea);
+}
+
+int arp_network_bind_raw_socket(int index, be32_t address, const struct ether_addr *eth_mac) {
+ if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_NONBLOCK, 0, test_fd) < 0)
+ return -errno;
+
+ return test_fd[0];
+}
+
+static void test_public_api_setters(sd_event *e) {
+ struct in_addr address = {};
+ uint64_t seed = 0;
+ sd_ipv4ll *ll;
+ struct ether_addr mac_addr = {
+ .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}};
+
+ if (verbose)
+ printf("* %s\n", __FUNCTION__);
+
+ assert_se(sd_ipv4ll_new(&ll) == 0);
+ assert_se(ll);
+
+ assert_se(sd_ipv4ll_attach_event(NULL, NULL, 0) == -EINVAL);
+ assert_se(sd_ipv4ll_attach_event(ll, e, 0) == 0);
+ assert_se(sd_ipv4ll_attach_event(ll, e, 0) == -EBUSY);
+
+ assert_se(sd_ipv4ll_set_callback(NULL, NULL, NULL) == -EINVAL);
+ assert_se(sd_ipv4ll_set_callback(ll, NULL, NULL) == 0);
+
+ assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
+ address.s_addr |= htobe32(169U << 24 | 254U << 16);
+ assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
+ address.s_addr |= htobe32(0x00FF);
+ assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
+ address.s_addr |= htobe32(0xF000);
+ assert_se(sd_ipv4ll_set_address(ll, &address) == 0);
+ address.s_addr |= htobe32(0x0F00);
+ assert_se(sd_ipv4ll_set_address(ll, &address) == -EINVAL);
+
+ assert_se(sd_ipv4ll_set_address_seed(NULL, seed) == -EINVAL);
+ assert_se(sd_ipv4ll_set_address_seed(ll, seed) == 0);
+
+ assert_se(sd_ipv4ll_set_mac(NULL, NULL) == -EINVAL);
+ assert_se(sd_ipv4ll_set_mac(ll, NULL) == -EINVAL);
+ assert_se(sd_ipv4ll_set_mac(ll, &mac_addr) == 0);
+
+ assert_se(sd_ipv4ll_set_ifindex(NULL, -1) == -EINVAL);
+ assert_se(sd_ipv4ll_set_ifindex(ll, -1) == -EINVAL);
+ assert_se(sd_ipv4ll_set_ifindex(ll, -99) == -EINVAL);
+ assert_se(sd_ipv4ll_set_ifindex(ll, 1) == 0);
+ assert_se(sd_ipv4ll_set_ifindex(ll, 99) == 0);
+
+ assert_se(sd_ipv4ll_ref(ll) == ll);
+ assert_se(sd_ipv4ll_unref(ll) == NULL);
+
+ /* Cleanup */
+ assert_se(sd_ipv4ll_unref(ll) == NULL);
+}
+
+static void test_basic_request(sd_event *e) {
+
+ sd_ipv4ll *ll;
+ struct ether_arp arp;
+ struct ether_addr mac_addr = {
+ .ether_addr_octet = {'A', 'B', 'C', '1', '2', '3'}};
+
+ if (verbose)
+ printf("* %s\n", __FUNCTION__);
+
+ assert_se(sd_ipv4ll_new(&ll) == 0);
+ assert_se(sd_ipv4ll_start(ll) == -EINVAL);
+
+ assert_se(sd_ipv4ll_attach_event(ll, e, 0) == 0);
+ assert_se(sd_ipv4ll_start(ll) == -EINVAL);
+
+ assert_se(sd_ipv4ll_set_mac(ll, &mac_addr) == 0);
+ assert_se(sd_ipv4ll_start(ll) == -EINVAL);
+
+ assert_se(sd_ipv4ll_set_callback(ll, basic_request_handler,
+ basic_request_handler_userdata) == 0);
+ assert_se(sd_ipv4ll_start(ll) == -EINVAL);
+
+ assert_se(sd_ipv4ll_set_ifindex(ll, 1) == 0);
+ assert_se(sd_ipv4ll_start(ll) == 0);
+
+ sd_event_run(e, (uint64_t) -1);
+ assert_se(sd_ipv4ll_start(ll) == -EBUSY);
+
+ assert_se(sd_ipv4ll_is_running(ll));
+
+ /* PROBE */
+ sd_event_run(e, (uint64_t) -1);
+ assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
+
+ if (extended) {
+ /* PROBE */
+ sd_event_run(e, (uint64_t) -1);
+ assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
+
+ /* PROBE */
+ sd_event_run(e, (uint64_t) -1);
+ assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
+
+ sd_event_run(e, (uint64_t) -1);
+ assert_se(basic_request_handler_bind == 1);
+ }
+
+ sd_ipv4ll_stop(ll);
+ assert_se(basic_request_handler_stop == 1);
+
+ /* Cleanup */
+ assert_se(sd_ipv4ll_unref(ll) == NULL);
+ safe_close(test_fd[1]);
+}
+
+int main(int argc, char *argv[]) {
+ _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+
+ log_set_max_level(LOG_DEBUG);
+ log_parse_environment();
+ log_open();
+
+ assert_se(sd_event_new(&e) >= 0);
+
+ test_public_api_setters(e);
+ test_basic_request(e);
+
+ return 0;
+}
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