src/test/test-local-addresses.c

/* SPDX-License-Identifier: LGPL-2.1-or-later */

#include <stdio.h>

#include "af-list.h"
#include "alloc-util.h"
#include "in-addr-util.h"
#include "local-addresses.h"
#include "tests.h"

static void print_local_addresses(struct local_address *a, unsigned n) {
        unsigned i;

        for (i = 0; i < n; i++) {
                _cleanup_free_ char *b = NULL;

                assert_se(in_addr_to_string(a[i].family, &a[i].address, &b) >= 0);
                log_debug("%s if%i scope=%i metric=%u address=%s", af_to_name(a[i].family), a[i].ifindex, a[i].scope, a[i].metric, b);
        }
}

int main(int argc, char *argv[]) {
        struct local_address *a = NULL;
        int n, n_ipv4, n_ipv6;

        test_setup_logging(LOG_DEBUG);

        n = local_addresses(NULL, 0, AF_INET, &a);
        assert_se(n >= 0);
        log_debug("/* Local Addresses(ifindex:0, AF_INET) */");
        print_local_addresses(a, (unsigned) n);
        a = mfree(a);
        n_ipv4 = n;

        n = local_addresses(NULL, 0, AF_INET6, &a);
        assert_se(n >= 0);
        log_debug("/* Local Addresses(ifindex:0, AF_INET6) */");
        print_local_addresses(a, (unsigned) n);
        a = mfree(a);
        n_ipv6 = n;

        n = local_addresses(NULL, 0, AF_UNSPEC, &a);
        assert_se(n >= 0);
        log_debug("/* Local Addresses(ifindex:0, AF_UNSPEC) */");
        print_local_addresses(a, (unsigned) n);
        a = mfree(a);
        assert_se(n == n_ipv4 + n_ipv6);

        n = local_addresses(NULL, 1, AF_INET, &a);
        assert_se(n >= 0);
        log_debug("/* Local Addresses(ifindex:1, AF_INET) */");
        print_local_addresses(a, (unsigned) n);
        a = mfree(a);
        n_ipv4 = n;

        n = local_addresses(NULL, 1, AF_INET6, &a);
        assert_se(n >= 0);
        log_debug("/* Local Addresses(ifindex:1, AF_INET6) */");
        print_local_addresses(a, (unsigned) n);
        a = mfree(a);
        n_ipv6 = n;

        n = local_addresses(NULL, 1, AF_UNSPEC, &a);
        assert_se(n >= 0);
        log_debug("/* Local Addresses(ifindex:1, AF_UNSPEC) */");
        print_local_addresses(a, (unsigned) n);
        a = mfree(a);
        assert_se(n == n_ipv4 + n_ipv6);

        n = local_gateways(NULL, 0, AF_UNSPEC, &a);
        assert_se(n >= 0);
        log_debug("/* Local Gateways */");
        print_local_addresses(a, (unsigned) n);
        a = mfree(a);

        n = local_outbounds(NULL, 0, AF_UNSPEC, &a);
        assert_se(n >= 0);
        log_debug("/* Local Outbounds */");
        print_local_addresses(a, (unsigned) n);
        free(a);

        return 0;
}