75 lines
1.8 KiB
C
75 lines
1.8 KiB
C
#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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static void log_handler(__attribute__((unused)) int lvl, __attribute__((unused)) const char *msg) {
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/* be quiet */
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}
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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_set_log_handler(log_handler);
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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", (const char *)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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