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88 lines
2.3 KiB
88 lines
2.3 KiB
/*
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# Copyright 2020 Google Inc.
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#
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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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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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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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################################################################################
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include <getopt.h>
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#include <sys/stat.h>
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#include <sepol/cil/cil.h>
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#include <sepol/policydb.h>
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int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
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enum cil_log_level log_level = CIL_ERR;
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struct sepol_policy_file *pf = NULL;
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FILE *dev_null = NULL;
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int target = SEPOL_TARGET_SELINUX;
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int disable_dontaudit = 0;
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int multiple_decls = 0;
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int disable_neverallow = 0;
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int preserve_tunables = 0;
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int policyvers = POLICYDB_VERSION_MAX;
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int mls = -1;
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int attrs_expand_generated = 0;
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struct cil_db *db = NULL;
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sepol_policydb_t *pdb = NULL;
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cil_set_log_level(log_level);
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cil_db_init(&db);
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cil_set_disable_dontaudit(db, disable_dontaudit);
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cil_set_multiple_decls(db, multiple_decls);
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cil_set_disable_neverallow(db, disable_neverallow);
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cil_set_preserve_tunables(db, preserve_tunables);
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cil_set_mls(db, mls);
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cil_set_target_platform(db, target);
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cil_set_policy_version(db, policyvers);
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cil_set_attrs_expand_generated(db, attrs_expand_generated);
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if (cil_add_file(db, "fuzz", data, size) != SEPOL_OK)
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goto exit;
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if (cil_compile(db) != SEPOL_OK)
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goto exit;
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if (cil_build_policydb(db, &pdb) != SEPOL_OK)
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goto exit;
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if (sepol_policydb_optimize(pdb) != SEPOL_OK)
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goto exit;
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dev_null = fopen("/dev/null", "w");
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if (dev_null == NULL)
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goto exit;
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if (sepol_policy_file_create(&pf) != 0)
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goto exit;
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sepol_policy_file_set_fp(pf, dev_null);
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if (sepol_policydb_write(pdb, pf) != 0)
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goto exit;
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exit:
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if (dev_null != NULL)
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fclose(dev_null);
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cil_db_destroy(&db);
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sepol_policydb_free(pdb);
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sepol_policy_file_free(pf);
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return 0;
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}
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