1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
2
3 #include "fd-util.h"
4 #include "fs-util.h"
5 #include "fuzz.h"
6 #include "networkd-manager.h"
7 #include "tmpfile-util.h"
8
LLVMFuzzerTestOneInput(const uint8_t * data,size_t size)9 int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
10 _cleanup_(manager_freep) Manager *manager = NULL;
11 _cleanup_fclose_ FILE *f = NULL;
12 _cleanup_(unlink_tempfilep) char network_config[] = "/tmp/fuzz-networkd.XXXXXX";
13
14 if (outside_size_range(size, 0, 65536))
15 return 0;
16
17 if (!getenv("SYSTEMD_LOG_LEVEL"))
18 log_set_max_level(LOG_CRIT);
19
20 assert_se(fmkostemp_safe(network_config, "r+", &f) == 0);
21 if (size != 0)
22 assert_se(fwrite(data, size, 1, f) == 1);
23
24 fflush(f);
25 assert_se(manager_new(&manager, /* test_mode = */ true) >= 0);
26 (void) network_load_one(manager, &manager->networks, network_config);
27 return 0;
28 }
29