/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
 * test_basicconstraintschecker.c
 *
 * Test Basic Constraints Checking
 *
 */

#include "testutil.h"
#include "testutil_nss.h"

#define PKIX_TEST_MAX_CERTS 10

static void *plContext = NULL;

static void
printUsage1(char *pName)
{
    printf("\nUSAGE: %s test-name [ENE|EE] ", pName);
    printf("cert [certs].\n");
}

static void
printUsageMax(PKIX_UInt32 numCerts)
{
    printf("\nUSAGE ERROR: number of certs %d exceed maximum %d\n",
           numCerts, PKIX_TEST_MAX_CERTS);
}

int
test_basicconstraintschecker(int argc, char *argv[])
{

    PKIX_List *chain = NULL;
    PKIX_ValidateParams *valParams = NULL;
    PKIX_ValidateResult *valResult = NULL;
    PKIX_UInt32 actualMinorVersion;
    char *certNames[PKIX_TEST_MAX_CERTS];
    PKIX_PL_Cert *certs[PKIX_TEST_MAX_CERTS];
    PKIX_VerifyNode *verifyTree = NULL;
    PKIX_PL_String *verifyString = NULL;
    PKIX_UInt32 chainLength = 0;
    PKIX_UInt32 i = 0;
    PKIX_UInt32 j = 0;
    PKIX_Boolean testValid = PKIX_FALSE;
    char *dirName = NULL;

    PKIX_TEST_STD_VARS();

    if (argc < 4) {
        printUsage1(argv[0]);
        return (0);
    }

    startTests("BasicConstraintsChecker");

    PKIX_TEST_EXPECT_NO_ERROR(
        PKIX_PL_NssContext_Create(0, PKIX_FALSE, NULL, &plContext));

    /* ENE = expect no error; EE = expect error */
    if (PORT_Strcmp(argv[2 + j], "ENE") == 0) {
        testValid = PKIX_TRUE;
    } else if (PORT_Strcmp(argv[2 + j], "EE") == 0) {
        testValid = PKIX_FALSE;
    } else {
        printUsage1(argv[0]);
        return (0);
    }

    dirName = argv[3 + j];

    chainLength = (argc - j) - 4;
    if (chainLength > PKIX_TEST_MAX_CERTS) {
        printUsageMax(chainLength);
    }

    for (i = 0; i < chainLength; i++) {
        certNames[i] = argv[(4 + j) + i];
        certs[i] = NULL;
    }

    subTest(argv[1 + j]);

    subTest("Basic-Constraints - Create Cert Chain");

    chain = createCertChainPlus(dirName, certNames, certs, chainLength, plContext);

    /*
         * Error occurs when creating Cert, this is critical and test
         * should not continue. Since we expect error, we assume this
         * error is the one that is expected, so undo the error count.
         *
         * This work needs future enhancement. We will introduce another
         * flag ESE, in addition to the existing EE(expect validation
         * error) and ENE(expect no validation error). ESE stands for
         * "expect setup error". When running with ESE, if any of the setup
         * calls such creating Cert Chain fails, the test can end and
         * considered to be successful.
         */
    if (testValid == PKIX_FALSE && chain == NULL) {
        testErrorUndo("Cert Error - Create failed");
        goto cleanup;
    }

    subTest("Basic-Constraints - Create Params");

    valParams = createValidateParams(dirName,
                                     argv[4 +
                                          j],
                                     NULL,
                                     NULL,
                                     NULL,
                                     PKIX_FALSE,
                                     PKIX_FALSE,
                                     PKIX_FALSE,
                                     PKIX_FALSE,
                                     chain,
                                     plContext);

    subTest("Basic-Constraints - Validate Chain");

    if (testValid == PKIX_TRUE) {
        PKIX_TEST_EXPECT_NO_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
    } else {
        PKIX_TEST_EXPECT_ERROR(PKIX_ValidateChain(valParams, &valResult, &verifyTree, plContext));
    }

cleanup:

    PKIX_TEST_DECREF_AC(verifyString);
    PKIX_TEST_DECREF_AC(verifyTree);
    PKIX_TEST_DECREF_AC(chain);
    PKIX_TEST_DECREF_AC(valParams);
    PKIX_TEST_DECREF_AC(valResult);

    PKIX_Shutdown(plContext);

    PKIX_TEST_RETURN();

    endTests("BasicConstraintsChecker");

    return (0);
}