/* SPDX-License-Identifier: BSD-3-Clause */

#include <stdarg.h>
#include <stdbool.h>
#include <stddef.h>

#include <setjmp.h>
#include <cmocka.h>

#include "tpm2_cc_util.h"
#include "tpm2_util.h"

static void test_tpm2_cc_util_from_str_null_str_ptr(void **state) {
    UNUSED(state);

    TPM2_CC cc;
    bool result = tpm2_cc_util_from_str(NULL, &cc);
    assert_false(result);
}

static void test_tpm2_cc_util_from_str_null_cc_ptr(void **state) {
    UNUSED(state);

    bool result = tpm2_cc_util_from_str("duplicate", NULL);
    assert_false(result);
}

static void test_tpm2_cc_util_from_str_null_ptrs(void **state) {
    UNUSED(state);

    bool result = tpm2_cc_util_from_str(NULL, NULL);
    assert_false(result);
}

static void test_tpm2_cc_util_from_str_invalid_str(void **state) {
    UNUSED(state);

    TPM2_CC cc = 0;
    bool result = tpm2_cc_util_from_str("nofound", &cc);
    assert_false(result);
    assert_int_equal(cc, 0);
}

static void test_tpm2_cc_util_from_str_empty_str(void **state) {
    UNUSED(state);

    TPM2_CC cc = 0;
    bool result = tpm2_cc_util_from_str("", &cc);
    assert_false(result);
    assert_int_equal(cc, 0);
}

static void test_tpm2_cc_util_from_str_valid_hex_str(void **state) {
    UNUSED(state);

    TPM2_CC cc = 0;
    bool result = tpm2_cc_util_from_str("0x42", &cc);
    assert_true(result);
    assert_int_equal(cc, 0x42);
}

static void test_tpm2_cc_util_to_str_unknown(void **state) {
    UNUSED(state);

    const char *cc_name = tpm2_cc_util_to_str(TPM2_CC_LAST + 1);
    assert_null(cc_name);
}

typedef struct cc_map cc_map;
struct cc_map {
    TPM2_CC cc;
    const char *str;
};

#define ADDCC(c) { .str = #c, .cc = c }

static const cc_map _g_map[] = {
    ADDCC(TPM2_CC_NV_UndefineSpaceSpecial),
    ADDCC(TPM2_CC_EvictControl),
    ADDCC(TPM2_CC_HierarchyControl),
    ADDCC(TPM2_CC_NV_UndefineSpace),
    ADDCC(TPM2_CC_ChangeEPS),
    ADDCC(TPM2_CC_ChangePPS),
    ADDCC(TPM2_CC_Clear),
    ADDCC(TPM2_CC_ClearControl),
    ADDCC(TPM2_CC_ClockSet),
    ADDCC(TPM2_CC_HierarchyChangeAuth),
    ADDCC(TPM2_CC_NV_DefineSpace),
    ADDCC(TPM2_CC_PCR_Allocate),
    ADDCC(TPM2_CC_PCR_SetAuthPolicy),
    ADDCC(TPM2_CC_PP_Commands),
    ADDCC(TPM2_CC_SetPrimaryPolicy),
    ADDCC(TPM2_CC_FieldUpgradeStart),
    ADDCC(TPM2_CC_ClockRateAdjust),
    ADDCC(TPM2_CC_CreatePrimary),
    ADDCC(TPM2_CC_NV_GlobalWriteLock),
    ADDCC(TPM2_CC_GetCommandAuditDigest),
    ADDCC(TPM2_CC_NV_Increment),
    ADDCC(TPM2_CC_NV_SetBits),
    ADDCC(TPM2_CC_NV_Extend),
    ADDCC(TPM2_CC_NV_Write),
    ADDCC(TPM2_CC_NV_WriteLock),
    ADDCC(TPM2_CC_DictionaryAttackLockReset),
    ADDCC(TPM2_CC_DictionaryAttackParameters),
    ADDCC(TPM2_CC_NV_ChangeAuth),
    ADDCC(TPM2_CC_PCR_Event),
    ADDCC(TPM2_CC_PCR_Reset),
    ADDCC(TPM2_CC_SequenceComplete),
    ADDCC(TPM2_CC_SetAlgorithmSet),
    ADDCC(TPM2_CC_SetCommandCodeAuditStatus),
    ADDCC(TPM2_CC_FieldUpgradeData),
    ADDCC(TPM2_CC_IncrementalSelfTest),
    ADDCC(TPM2_CC_SelfTest),
    ADDCC(TPM2_CC_Startup),
    ADDCC(TPM2_CC_Shutdown),
    ADDCC(TPM2_CC_StirRandom),
    ADDCC(TPM2_CC_ActivateCredential),
    ADDCC(TPM2_CC_Certify),
    ADDCC(TPM2_CC_PolicyNV),
    ADDCC(TPM2_CC_CertifyCreation),
    ADDCC(TPM2_CC_Duplicate),
    ADDCC(TPM2_CC_GetTime),
    ADDCC(TPM2_CC_GetSessionAuditDigest),
    ADDCC(TPM2_CC_NV_Read),
    ADDCC(TPM2_CC_NV_ReadLock),
    ADDCC(TPM2_CC_ObjectChangeAuth),
    ADDCC(TPM2_CC_PolicySecret),
    ADDCC(TPM2_CC_Rewrap),
    ADDCC(TPM2_CC_Create),
    ADDCC(TPM2_CC_ECDH_ZGen),
    ADDCC(TPM2_CC_HMAC),
    ADDCC(TPM2_CC_Import),
    ADDCC(TPM2_CC_Load),
    ADDCC(TPM2_CC_Quote),
    ADDCC(TPM2_CC_RSA_Decrypt),
    ADDCC(TPM2_CC_HMAC_Start),
    ADDCC(TPM2_CC_SequenceUpdate),
    ADDCC(TPM2_CC_Sign),
    ADDCC(TPM2_CC_Unseal),
    ADDCC(TPM2_CC_PolicySigned),
    ADDCC(TPM2_CC_ContextLoad),
    ADDCC(TPM2_CC_ContextSave),
    ADDCC(TPM2_CC_ECDH_KeyGen),
    ADDCC(TPM2_CC_EncryptDecrypt),
    ADDCC(TPM2_CC_FlushContext),
    ADDCC(TPM2_CC_LoadExternal),
    ADDCC(TPM2_CC_MakeCredential),
    ADDCC(TPM2_CC_NV_ReadPublic),
    ADDCC(TPM2_CC_PolicyAuthorize),
    ADDCC(TPM2_CC_PolicyAuthValue),
    ADDCC(TPM2_CC_PolicyCommandCode),
    ADDCC(TPM2_CC_PolicyCounterTimer),
    ADDCC(TPM2_CC_PolicyCpHash),
    ADDCC(TPM2_CC_PolicyLocality),
    ADDCC(TPM2_CC_PolicyNameHash),
    ADDCC(TPM2_CC_PolicyOR),
    ADDCC(TPM2_CC_PolicyTicket),
    ADDCC(TPM2_CC_ReadPublic),
    ADDCC(TPM2_CC_RSA_Encrypt),
    ADDCC(TPM2_CC_StartAuthSession),
    ADDCC(TPM2_CC_VerifySignature),
    ADDCC(TPM2_CC_ECC_Parameters),
    ADDCC(TPM2_CC_FirmwareRead),
    ADDCC(TPM2_CC_GetCapability),
    ADDCC(TPM2_CC_GetRandom),
    ADDCC(TPM2_CC_GetTestResult),
    ADDCC(TPM2_CC_Hash),
    ADDCC(TPM2_CC_PCR_Read),
    ADDCC(TPM2_CC_PolicyPCR),
    ADDCC(TPM2_CC_PolicyRestart),
    ADDCC(TPM2_CC_ReadClock),
    ADDCC(TPM2_CC_PCR_Extend),
    ADDCC(TPM2_CC_PCR_SetAuthValue),
    ADDCC(TPM2_CC_NV_Certify),
    ADDCC(TPM2_CC_EventSequenceComplete),
    ADDCC(TPM2_CC_HashSequenceStart),
    ADDCC(TPM2_CC_PolicyPhysicalPresence),
    ADDCC(TPM2_CC_PolicyDuplicationSelect),
    ADDCC(TPM2_CC_PolicyGetDigest),
    ADDCC(TPM2_CC_TestParms),
    ADDCC(TPM2_CC_Commit),
    ADDCC(TPM2_CC_PolicyPassword),
    ADDCC(TPM2_CC_ZGen_2Phase),
    ADDCC(TPM2_CC_EC_Ephemeral),
    ADDCC(TPM2_CC_PolicyNvWritten),
    ADDCC(TPM2_CC_PolicyTemplate),
    ADDCC(TPM2_CC_CreateLoaded),
    ADDCC(TPM2_CC_PolicyAuthorizeNV),
    ADDCC(TPM2_CC_EncryptDecrypt2),
    ADDCC(TPM2_CC_AC_GetCapability),
    ADDCC(TPM2_CC_AC_Send),
    ADDCC(TPM2_CC_Policy_AC_SendSelect),
    ADDCC(TPM2_CC_Vendor_TCG_Test),
};
static void test_tpm2_cc_util_from_str_validate_map(void **state) {
    UNUSED(state);

    size_t i;
    for (i = 0; i < ARRAY_LEN(_g_map); i++) {
        const cc_map *m = &_g_map[i];
        TPM2_CC expected = m->cc;
        TPM2_CC got = 0;
        bool result = tpm2_cc_util_from_str(m->str, &got);
        assert_true(result);
        assert_int_equal(got, expected);

        const char *sgot = tpm2_cc_util_to_str(m->cc);
        assert_string_equal(sgot, m->str);
    }
}

/* link required symbol, but tpm2_tool.c declares it AND main, which
 * we have a main below for cmocka tests.
 */
bool output_enabled = true;

int main(int argc, char *argv[]) {
    UNUSED(argc);
    UNUSED(argv);

    const struct CMUnitTest tests[] = {
        cmocka_unit_test(test_tpm2_cc_util_from_str_null_str_ptr),
        cmocka_unit_test(test_tpm2_cc_util_from_str_null_cc_ptr),
        cmocka_unit_test(test_tpm2_cc_util_from_str_null_ptrs),
        cmocka_unit_test(test_tpm2_cc_util_from_str_invalid_str),
        cmocka_unit_test(test_tpm2_cc_util_from_str_empty_str),
        cmocka_unit_test(test_tpm2_cc_util_from_str_valid_hex_str),
        cmocka_unit_test(test_tpm2_cc_util_to_str_unknown),
        cmocka_unit_test(test_tpm2_cc_util_from_str_validate_map),
    };

    return cmocka_run_group_tests(tests, NULL, NULL);
}