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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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  • 55eafe5
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  • test
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  • ossl_store_test.c
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ossl_store_test.c
/*
 * Copyright 2020-2021 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 <string.h>
#include <limits.h>
#include <openssl/store.h>
#include <openssl/ui.h>
#include "testutil.h"

#ifndef PATH_MAX
# if defined(_WIN32) && defined(_MAX_PATH)
#  define PATH_MAX _MAX_PATH
# else
#  define PATH_MAX 4096
# endif
#endif

typedef enum OPTION_choice {
    OPT_ERR = -1,
    OPT_EOF = 0,
    OPT_INPUTDIR,
    OPT_INFILE,
    OPT_SM2FILE,
    OPT_DATADIR,
    OPT_TEST_ENUM
} OPTION_CHOICE;

static const char *inputdir = NULL;
static const char *infile = NULL;
static const char *sm2file = NULL;
static const char *datadir = NULL;

static int test_store_open(void)
{
    int ret = 0;
    OSSL_STORE_CTX *sctx = NULL;
    OSSL_STORE_SEARCH *search = NULL;
    UI_METHOD *ui_method = NULL;
    char *input = test_mk_file_path(inputdir, infile);

    ret = TEST_ptr(input)
          && TEST_ptr(search = OSSL_STORE_SEARCH_by_alias("nothing"))
          && TEST_ptr(ui_method= UI_create_method("DummyUI"))
          && TEST_ptr(sctx = OSSL_STORE_open_ex(input, NULL, NULL, ui_method,
                                                NULL, NULL, NULL, NULL))
          && TEST_false(OSSL_STORE_find(sctx, NULL))
          && TEST_true(OSSL_STORE_find(sctx, search));
    UI_destroy_method(ui_method);
    OSSL_STORE_SEARCH_free(search);
    OSSL_STORE_close(sctx);
    OPENSSL_free(input);
    return ret;
}

static int test_store_search_by_key_fingerprint_fail(void)
{
    int ret;
    OSSL_STORE_SEARCH *search = NULL;

    ret = TEST_ptr_null(search = OSSL_STORE_SEARCH_by_key_fingerprint(
                                     EVP_sha256(), NULL, 0));
    OSSL_STORE_SEARCH_free(search);
    return ret;
}

static int get_params(const char *uri, const char *type)
{
    EVP_PKEY *pkey = NULL;
    OSSL_STORE_CTX *ctx = NULL;
    OSSL_STORE_INFO *info;
    int ret = 0;

    ctx = OSSL_STORE_open_ex(uri, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
    if (!TEST_ptr(ctx))
        goto err;

    while (!OSSL_STORE_eof(ctx)
            && (info = OSSL_STORE_load(ctx)) != NULL
            && pkey == NULL) {
        if (OSSL_STORE_INFO_get_type(info) == OSSL_STORE_INFO_PARAMS) {
            pkey = OSSL_STORE_INFO_get1_PARAMS(info);
        }
        OSSL_STORE_INFO_free(info);
        info = NULL;
    }

    if (pkey != NULL)
        ret = EVP_PKEY_is_a(pkey, type);
    EVP_PKEY_free(pkey);

 err:
    OSSL_STORE_close(ctx);
    return ret;
}

static int test_store_get_params(int idx)
{
    const char *type;
    const char *urifmt;
    char uri[PATH_MAX];

    switch (idx) {
#ifndef OPENSSL_NO_DH
    case 0:
        type = "DH";
        break;
    case 1:
        type = "DHX";
        break;
#else
    case 0:
    case 1:
        return 1;
#endif
    case 2:
#ifndef OPENSSL_NO_DSA
        type = "DSA";
        break;
#else
        return 1;
#endif
    default:
        TEST_error("Invalid test index");
        return 0;
    }

    urifmt = "%s/%s-params.pem";
#ifdef __VMS
    {
        char datadir_end = datadir[strlen(datadir) - 1];

        if (datadir_end == ':' || datadir_end == ']' || datadir_end == '>')
            urifmt = "%s%s-params.pem";
    }
#endif
    if (!TEST_true(BIO_snprintf(uri, sizeof(uri), urifmt, datadir, type)))
        return 0;

    TEST_info("Testing uri: %s", uri);
    if (!TEST_true(get_params(uri, type)))
        return 0;

    return 1;
}

/*
 * This test verifies that calling OSSL_STORE_ATTACH does not set an
 * "unregistered scheme" error when called.
 */
static int test_store_attach_unregistered_scheme(void)
{
    int ret;
    OSSL_STORE_CTX *store_ctx = NULL;
    OSSL_PROVIDER *provider = NULL;
    OSSL_LIB_CTX *libctx = NULL;
    BIO *bio = NULL;
    char *input = test_mk_file_path(inputdir, sm2file);

    ret = TEST_ptr(input)
          && TEST_ptr(libctx = OSSL_LIB_CTX_new())
          && TEST_ptr(provider = OSSL_PROVIDER_load(libctx, "default"))
          && TEST_ptr(bio = BIO_new_file(input, "r"))
          && TEST_ptr(store_ctx = OSSL_STORE_attach(bio, "file", libctx, NULL,
                                                    NULL, NULL, NULL, NULL, NULL))
          && TEST_int_ne(ERR_GET_LIB(ERR_peek_error()), ERR_LIB_OSSL_STORE)
          && TEST_int_ne(ERR_GET_REASON(ERR_peek_error()),
                         OSSL_STORE_R_UNREGISTERED_SCHEME);

    BIO_free(bio);
    OSSL_STORE_close(store_ctx);
    OSSL_PROVIDER_unload(provider);
    OSSL_LIB_CTX_free(libctx);
    OPENSSL_free(input);
    return ret;
}

const OPTIONS *test_get_options(void)
{
    static const OPTIONS test_options[] = {
        OPT_TEST_OPTIONS_DEFAULT_USAGE,
        { "dir", OPT_INPUTDIR, '/' },
        { "in", OPT_INFILE, '<' },
        { "sm2", OPT_SM2FILE, '<' },
        { "data", OPT_DATADIR, 's' },
        { NULL }
    };
    return test_options;
}

int setup_tests(void)
{
    OPTION_CHOICE o;

    while ((o = opt_next()) != OPT_EOF) {
        switch (o) {
        case OPT_INPUTDIR:
            inputdir = opt_arg();
            break;
        case OPT_INFILE:
            infile = opt_arg();
            break;
        case OPT_SM2FILE:
            sm2file = opt_arg();
            break;
        case OPT_DATADIR:
            datadir = opt_arg();
            break;
        case OPT_TEST_CASES:
           break;
        default:
        case OPT_ERR:
            return 0;
        }
    }

    if (datadir == NULL) {
        TEST_error("No data directory specified");
        return 0;
    }
    if (inputdir == NULL) {
        TEST_error("No input directory specified");
        return 0;
    }

    if (infile != NULL)
        ADD_TEST(test_store_open);
    ADD_TEST(test_store_search_by_key_fingerprint_fail);
    ADD_ALL_TESTS(test_store_get_params, 3);
    if (sm2file != NULL)
        ADD_TEST(test_store_attach_unregistered_scheme);
    return 1;
}
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