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Revision 098f27f9ef8be2a418f76896ee3c824e8709fcf7 authored by Matt Caswell on 17 October 2023, 13:55:48 UTC, committed by Tomas Mraz on 19 October 2023, 09:54:44 UTC
Ignore ping deadline when calculating tick deadline if we can't send
If the CC TX allowance is zero then we cannot send a PING frame at the
moment, so do not take into account the ping deadline when calculating the
tick deadline in that case.

This avoids the hang found by the fuzzer mentioned in
https://github.com/openssl/openssl/pull/22368#issuecomment-1765131727

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Tomas Mraz <tomas@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/22410)
1 parent 56e3032
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  • test
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  • x509_check_cert_pkey_test.c
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x509_check_cert_pkey_test.c
/*
 * Copyright 2017-2023 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the Apache License 2.0 (the "License").  You may not use
 * this file except in compliance with the License.  You can obtain a copy
 * in the file LICENSE in the source distribution or at
 * https://www.openssl.org/source/license.html
 */

#include <stdio.h>
#include <string.h>

#include <openssl/pem.h>
#include <openssl/x509.h>
#include "testutil.h"

/*
 * c: path of a cert in PEM format
 * k: path of a key in PEM format
 * t: API type, "cert" for X509_ and "req" for X509_REQ_ APIs.
 * e: expected, "ok" for success, "failed" for what should fail.
 */
static const char *c;
static const char *k;
static const char *t;
static const char *e;

static int test_x509_check_cert_pkey(void)
{
    BIO *bio = NULL;
    X509 *x509 = NULL;
    X509_REQ *x509_req = NULL;
    EVP_PKEY *pkey = NULL;
    int ret = 0, type = 0, expected = 0, result = 0;

    /*
     * we check them first thus if fails we don't need to do
     * those PEM parsing operations.
     */
    if (strcmp(t, "cert") == 0) {
        type = 1;
    } else if (strcmp(t, "req") == 0) {
        type = 2;
    } else {
        TEST_error("invalid 'type'");
        goto failed;
    }

    if (strcmp(e, "ok") == 0) {
        expected = 1;
    } else if (strcmp(e, "failed") == 0) {
        expected = 0;
    } else {
        TEST_error("invalid 'expected'");
        goto failed;
    }

    /* process private key */
    if (!TEST_ptr(bio = BIO_new_file(k, "r")))
        goto failed;

    if (!TEST_ptr(pkey = PEM_read_bio_PrivateKey(bio, NULL, NULL, NULL)))
        goto failed;

    BIO_free(bio);

    /* process cert or cert request, use the same local var */
    if (!TEST_ptr(bio = BIO_new_file(c, "r")))
        goto failed;

    switch (type) {
    case 1:
        x509 = PEM_read_bio_X509(bio, NULL, NULL, NULL);
        if (x509 == NULL) {
            TEST_error("read PEM x509 failed");
            goto failed;
        }

        result = X509_check_private_key(x509, pkey);
        break;
    case 2:
        x509_req = PEM_read_bio_X509_REQ(bio, NULL, NULL, NULL);
        if (x509_req == NULL) {
            TEST_error("read PEM x509 req failed");
            goto failed;
        }

        result = X509_REQ_check_private_key(x509_req, pkey);
        break;
    default:
        /* should never be here */
        break;
    }

    if (!TEST_int_eq(result, expected)) {
        TEST_error("check private key: expected: %d, got: %d", expected, result);
        goto failed;
    }

    ret = 1;
failed:
    BIO_free(bio);
    X509_free(x509);
    X509_REQ_free(x509_req);
    EVP_PKEY_free(pkey);
    return ret;
}

static const char *file; /* path of a cert/CRL/key file in PEM format */
static int expected;     /* expected number of certs/CRLs/keys included */

static int test_PEM_X509_INFO_read_bio(void)
{
    BIO *in;
    STACK_OF(X509_INFO) *sk;
    X509_INFO *it;
    int i, count = 0;

    if (!TEST_ptr((in = BIO_new_file(file, "r"))))
        return 0;
    sk = PEM_X509_INFO_read_bio(in, NULL, NULL, "");
    BIO_free(in);
    for (i = 0; i < sk_X509_INFO_num(sk); i++) {
        it = sk_X509_INFO_value(sk, i);
        if (it->x509 != NULL)
            count++;
        if (it->crl != NULL)
            count++;
        if (it->x_pkey != NULL)
            count++;
    }
    sk_X509_INFO_pop_free(sk, X509_INFO_free);
    return TEST_int_eq(count, expected);
}

const OPTIONS *test_get_options(void)
{
    enum { OPT_TEST_ENUM };
    static const OPTIONS test_options[] = {
        OPT_TEST_OPTIONS_WITH_EXTRA_USAGE("cert key type expected\n"
                                          "     or [options] file num\n"),
        { OPT_HELP_STR, 1, '-', "cert\tcertificate or CSR filename in PEM\n" },
        { OPT_HELP_STR, 1, '-', "key\tprivate key filename in PEM\n" },
        { OPT_HELP_STR, 1, '-', "type\t\tvalue must be 'cert' or 'req'\n" },
        { OPT_HELP_STR, 1, '-', "expected\tthe expected return value, either 'ok' or 'failed'\n" },
        { OPT_HELP_STR, 1, '-', "file\tPEM format file containing certs, keys, and/OR CRLs\n" },
        { OPT_HELP_STR, 1, '-', "num\texpected number of credentials to be loaded from file\n" },
        { NULL }
    };
    return test_options;
}

int setup_tests(void)
{
    if (!test_skip_common_options()) {
        TEST_error("Error parsing test options\n");
        return 0;
    }

    if (test_get_argument_count() == 2) {
        const char *num;  /* expected number of certs/CRLs/keys included */

        if (!TEST_ptr(file = test_get_argument(0))
                || !TEST_ptr(num = test_get_argument(1)))
            return 0;
        if (!TEST_int_eq(sscanf(num, "%d", &expected), 1))
            return 0;
        ADD_TEST(test_PEM_X509_INFO_read_bio);
        return 1;
    }

    if (!TEST_ptr(c = test_get_argument(0))
            || !TEST_ptr(k = test_get_argument(1))
            || !TEST_ptr(t = test_get_argument(2))
            || !TEST_ptr(e = test_get_argument(3))) {
        return 0;
    }

    ADD_TEST(test_x509_check_cert_pkey);
    return 1;
}
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