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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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  • user_property_test.c
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user_property_test.c
/*
 * Copyright 2021-2023 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 <openssl/core.h>
#include <openssl/core_dispatch.h>
#include <openssl/core_names.h>
#include <openssl/provider.h>
#include <openssl/crypto.h>
#include <openssl/evp.h>
#include "testutil.h"

#define MYPROPERTIES "foo.bar=yes"

static OSSL_FUNC_provider_query_operation_fn testprov_query;
static OSSL_FUNC_digest_get_params_fn tmpmd_get_params;
static OSSL_FUNC_digest_digest_fn tmpmd_digest;

static int tmpmd_get_params(OSSL_PARAM params[])
{
    OSSL_PARAM *p = NULL;

    p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_BLOCK_SIZE);
    if (p != NULL && !OSSL_PARAM_set_size_t(p, 1))
        return 0;

    p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE);
    if (p != NULL && !OSSL_PARAM_set_size_t(p, 1))
        return 0;

    return 1;
}

static int tmpmd_digest(void *provctx, const unsigned char *in, size_t inl,
                 unsigned char *out, size_t *outl, size_t outsz)
{
    return 0;
}

static const OSSL_DISPATCH testprovmd_functions[] = {
    { OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))tmpmd_get_params },
    { OSSL_FUNC_DIGEST_DIGEST, (void (*)(void))tmpmd_digest },
    OSSL_DISPATCH_END
};

static const OSSL_ALGORITHM testprov_digests[] = {
    { "testprovmd", MYPROPERTIES, testprovmd_functions },
    { NULL, NULL, NULL }
};

static const OSSL_ALGORITHM *testprov_query(void *provctx,
                                          int operation_id,
                                          int *no_cache)
{
    *no_cache = 0;
    return operation_id == OSSL_OP_DIGEST ? testprov_digests : NULL;
}

static const OSSL_DISPATCH testprov_dispatch_table[] = {
    { OSSL_FUNC_PROVIDER_QUERY_OPERATION, (void (*)(void))testprov_query },
    OSSL_DISPATCH_END
};

static int testprov_provider_init(const OSSL_CORE_HANDLE *handle,
                                  const OSSL_DISPATCH *in,
                                  const OSSL_DISPATCH **out,
                                  void **provctx)
{
    *provctx = (void *)handle;
    *out = testprov_dispatch_table;
    return 1;
}

enum {
    DEFAULT_PROPS_FIRST = 0,
    DEFAULT_PROPS_AFTER_LOAD,
    DEFAULT_PROPS_AFTER_FETCH,
    DEFAULT_PROPS_FINAL
};

static int test_default_props_and_providers(int propsorder)
{
    OSSL_LIB_CTX *libctx;
    OSSL_PROVIDER *testprov = NULL;
    EVP_MD *testprovmd = NULL;
    int res = 0;

    if (!TEST_ptr(libctx = OSSL_LIB_CTX_new())
            || !TEST_true(OSSL_PROVIDER_add_builtin(libctx, "testprov",
                                                    testprov_provider_init)))
        goto err;

    if (propsorder == DEFAULT_PROPS_FIRST
            && !TEST_true(EVP_set_default_properties(libctx, MYPROPERTIES)))
        goto err;

    if (!TEST_ptr(testprov = OSSL_PROVIDER_load(libctx, "testprov")))
        goto err;

    if (propsorder == DEFAULT_PROPS_AFTER_LOAD
            && !TEST_true(EVP_set_default_properties(libctx, MYPROPERTIES)))
        goto err;

    if (!TEST_ptr(testprovmd = EVP_MD_fetch(libctx, "testprovmd", NULL)))
        goto err;

    if (propsorder == DEFAULT_PROPS_AFTER_FETCH) {
        if (!TEST_true(EVP_set_default_properties(libctx, MYPROPERTIES)))
            goto err;
        EVP_MD_free(testprovmd);
        if (!TEST_ptr(testprovmd = EVP_MD_fetch(libctx, "testprovmd", NULL)))
            goto err;
    }

    res = 1;
 err:
    EVP_MD_free(testprovmd);
    OSSL_PROVIDER_unload(testprov);
    OSSL_LIB_CTX_free(libctx);
    return res;
}

int setup_tests(void)
{
    ADD_ALL_TESTS(test_default_props_and_providers, DEFAULT_PROPS_FINAL);
    return 1;
}
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