Adding upstream version 252.22.upstream/252.22

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 207 insertions, 0 deletions

diff --git a/src/libsystemd-network/test-ipv4ll.c b/src/libsystemd-network/test-ipv4ll.c
new file mode 100644
index 0000000..2a078a5
--- /dev/null
+++ b/src/libsystemd-network/test-ipv4ll.c
@@ -0,0 +1,207 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+/***
+  Copyright © 2014 Axis Communications AB. All rights reserved.
+***/
+
+#include <errno.h>
+#include <netinet/if_ether.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "sd-ipv4ll.h"
+
+#include "arp-util.h"
+#include "fd-util.h"
+#include "socket-util.h"
+#include "tests.h"
+#include "util.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;
+        }
+}
+
+int arp_send_packet(
+                int fd,
+                int ifindex,
+                const struct in_addr *pa,
+                const struct ether_addr *ha,
+                bool announce) {
+
+        struct ether_arp ea = {};
+
+        assert_se(fd >= 0);
+        assert_se(ifindex > 0);
+        assert_se(pa);
+        assert_se(ha);
+
+        if (send(fd, &ea, sizeof(struct ether_arp), 0) < 0)
+                return -errno;
+
+        return 0;
+}
+
+int arp_update_filter(int fd, const struct in_addr *a, const struct ether_addr *eth_mac) {
+        return 0;
+}
+
+int arp_network_bind_raw_socket(int ifindex, const struct in_addr *a, const struct ether_addr *eth_mac) {
+        if (socketpair(AF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC | 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", __func__);
+
+        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_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, const struct in_addr *start_address) {
+
+        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", __func__);
+
+        assert_se(sd_ipv4ll_new(&ll) == 0);
+        if (in4_addr_is_set(start_address))
+                assert_se(sd_ipv4ll_set_address(ll, start_address) >= 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) == 1);
+
+        sd_event_run(e, UINT64_MAX);
+        assert_se(sd_ipv4ll_start(ll) == 0);
+
+        assert_se(sd_ipv4ll_is_running(ll));
+
+        /* PROBE */
+        sd_event_run(e, UINT64_MAX);
+        assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
+
+        if (extended) {
+                /* PROBE */
+                sd_event_run(e, UINT64_MAX);
+                assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
+
+                /* PROBE */
+                sd_event_run(e, UINT64_MAX);
+                assert_se(recv(test_fd[1], &arp, sizeof(struct ether_arp), 0) == sizeof(struct ether_arp));
+
+                sd_event_run(e, UINT64_MAX);
+                assert_se(basic_request_handler_bind == 1);
+
+                if (in4_addr_is_set(start_address)) {
+                        struct in_addr address;
+
+                        assert_se(sd_ipv4ll_get_address(ll, &address) >= 0);
+                        assert_se(start_address->s_addr == address.s_addr);
+                }
+        }
+
+        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[]) {
+        struct in_addr start_address = {};
+        _cleanup_(sd_event_unrefp) sd_event *e = NULL;
+
+        test_setup_logging(LOG_DEBUG);
+
+        assert_se(sd_event_new(&e) >= 0);
+
+        test_public_api_setters(e);
+        test_basic_request(e, &start_address);
+
+        basic_request_handler_bind = 0;
+        basic_request_handler_stop = 0;
+        start_address.s_addr = htobe32(169U << 24 | 254U << 16 | 1U << 8 | 2U);
+        test_basic_request(e, &start_address);
+
+        return 0;
+}