mirror of https://github.com/google/oss-fuzz.git
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
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/* Copyright 2022 Google LLC
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "config.h"
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#include "libglnx.h"
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#include "bsdiff/bsdiff.h"
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#include "bsdiff/bspatch.h"
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#include <glib.h>
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#include <stdlib.h>
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#include <gio/gio.h>
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#include <glib-object.h>
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#include <libglnx.h>
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#include <locale.h>
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#include "ostree-autocleanups.h"
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#include "ostree-types.h"
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#include <string.h>
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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typedef struct
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{
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GLnxTmpDir tmpdir;
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} Fixture;
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int
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setup (Fixture *fixture,
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gconstpointer test_data)
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{
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g_autoptr(GError) error = NULL;
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if (! glnx_mkdtemp ("test-repo-XXXXXX", 0700, &fixture->tmpdir, &error)) {
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return 1;
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}
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return 0;
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}
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void
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teardown (Fixture *fixture,
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gconstpointer test_data)
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{
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(void) glnx_tmpdir_delete (&fixture->tmpdir, NULL, NULL);
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}
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void
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payload (Fixture *fixture,
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const uint8_t *data,
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size_t size)
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{
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g_autoptr (GKeyFile) config = NULL;
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g_autoptr(GError) error = NULL;
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guint64 bytes = 0;
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g_autoptr(OstreeRepo) repo = ostree_repo_create_at (fixture->tmpdir.fd,
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".",
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OSTREE_REPO_MODE_ARCHIVE,
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NULL,
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NULL,
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&error);
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config = ostree_repo_copy_config (repo);
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g_key_file_remove_key (config, "core", "min-free-space-size", NULL);
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char *m1 = malloc(size+1);
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memcpy(m1, data, size);
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m1[size] = '\0';
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g_key_file_set_string (config, m1, m1, m1);
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ostree_repo_write_config (repo, config, &error);
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ostree_repo_reload_config (repo, NULL, &error);
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ostree_repo_get_min_free_space_bytes (repo, &bytes, &error);
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free(m1);
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}
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int
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LLVMFuzzerTestOneInput (const uint8_t *data,
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size_t size)
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{
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Fixture ft;
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g_auto(GLnxTmpDir) ret_tmpdir = { 0, };
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ft.tmpdir = ret_tmpdir;
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if (setup(&ft, NULL) == 1) {
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return 0;
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}
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payload(&ft, data, size);
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teardown(&ft, NULL);
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return 0;
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}
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