1 files changed, 46 insertions, 0 deletions
diff --git a/src/libsystemd-network/icmp6-test-util.c b/src/libsystemd-network/icmp6-test-util.c
new file mode 100644
index 0000000..3c78109
--- /dev/null
+++ b/src/libsystemd-network/icmp6-test-util.c
@@ -0,0 +1,46 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <netinet/icmp6.h>
+#include <netinet/ip6.h>
+#include <unistd.h>
+
+#include "fd-util.h"
+#include "icmp6-test-util.h"
+
+int test_fd[2] = EBADF_PAIR;
+
+static struct in6_addr dummy_link_local = {
+        .s6_addr = {
+                0xfe, 0x80, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+                0x12, 0x34, 0x56, 0xff, 0xfe, 0x78, 0x9a, 0xbc,
+        },
+};
+
+int icmp6_bind(int ifindex, bool is_router) {
+        if (!is_router && socketpair(AF_UNIX, SOCK_DGRAM | SOCK_CLOEXEC | SOCK_NONBLOCK, 0, test_fd) < 0)
+                return -errno;
+
+        return test_fd[is_router];
+}
+
+int icmp6_send(int fd, const struct in6_addr *dst, const struct iovec *iov, size_t n_iov) {
+        return writev(fd, iov, n_iov);
+}
+
+int icmp6_receive(
+                int fd,
+                void *iov_base,
+                size_t iov_len,
+                struct in6_addr *ret_sender,
+                triple_timestamp *ret_timestamp) {
+
+        assert_se(read (fd, iov_base, iov_len) == (ssize_t) iov_len);
+
+        if (ret_timestamp)
+                triple_timestamp_now(ret_timestamp);
+
+        if (ret_sender)
+                *ret_sender = dummy_link_local;
+
+        return 0;
+}