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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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  • bio_callback_test.c
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swh:1:cnt:c84346814e1455e2e4e6a767cf57acd76ffdcdef
bio_callback_test.c
/*
 * Copyright 2018-2021 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
 */
#define OPENSSL_SUPPRESS_DEPRECATED
#include <stdio.h>
#include <string.h>
#include <openssl/bio.h>

#include "testutil.h"

#define MAXCOUNT 5
static int         my_param_count;
static BIO        *my_param_b[MAXCOUNT];
static int         my_param_oper[MAXCOUNT];
static const char *my_param_argp[MAXCOUNT];
static int         my_param_argi[MAXCOUNT];
static long        my_param_argl[MAXCOUNT];
static long        my_param_ret[MAXCOUNT];
static size_t      my_param_len[MAXCOUNT];
static size_t      my_param_processed[MAXCOUNT];

static long my_bio_cb_ex(BIO *b, int oper, const char *argp, size_t len,
                         int argi, long argl, int ret, size_t *processed)
{
    if (my_param_count >= MAXCOUNT)
        return -1;
    my_param_b[my_param_count]    = b;
    my_param_oper[my_param_count] = oper;
    my_param_argp[my_param_count] = argp;
    my_param_argi[my_param_count] = argi;
    my_param_argl[my_param_count] = argl;
    my_param_ret[my_param_count]  = ret;
    my_param_len[my_param_count]  = len;
    my_param_processed[my_param_count] = processed != NULL ? *processed : 0;

    my_param_count++;
    return ret;
}

static int test_bio_callback_ex(void)
{
    int ok = 0;
    BIO *bio;
    int i;
    char test1[] = "test";
    const size_t test1len = sizeof(test1) - 1;
    char test2[] = "hello";
    const size_t test2len = sizeof(test2) - 1;
    char buf[16];

    my_param_count = 0;

    bio = BIO_new(BIO_s_mem());
    if (bio == NULL)
        goto err;

    BIO_set_callback_ex(bio, my_bio_cb_ex);
    i = BIO_write(bio, test1, test1len);
    if (!TEST_int_eq(i, test1len)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_WRITE)
            || !TEST_ptr_eq(my_param_argp[0], test1)
            || !TEST_size_t_eq(my_param_len[0], test1len)
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_int_eq((int)my_param_ret[0], 1)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_WRITE | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], test1)
            || !TEST_size_t_eq(my_param_len[1], test1len)
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_size_t_eq(my_param_processed[1], test1len)
            || !TEST_int_eq((int)my_param_ret[1], 1))
        goto err;

    my_param_count = 0;
    i = BIO_read(bio, buf, sizeof(buf));
    if (!TEST_mem_eq(buf, i, test1, test1len)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
            || !TEST_ptr_eq(my_param_argp[0], buf)
            || !TEST_size_t_eq(my_param_len[0], sizeof(buf))
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_int_eq((int)my_param_ret[0], 1)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], buf)
            || !TEST_size_t_eq(my_param_len[1], sizeof(buf))
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_size_t_eq(my_param_processed[1], test1len)
            || !TEST_int_eq((int)my_param_ret[1], 1))
        goto err;

    /* By default a mem bio returns -1 if it has run out of data */
    my_param_count = 0;
    i = BIO_read(bio, buf, sizeof(buf));
    if (!TEST_int_eq(i, -1)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
            || !TEST_ptr_eq(my_param_argp[0], buf)
            || !TEST_size_t_eq(my_param_len[0], sizeof(buf))
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_int_eq((int)my_param_ret[0], 1)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], buf)
            || !TEST_size_t_eq(my_param_len[1], sizeof(buf))
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_size_t_eq(my_param_processed[1], 0)
            || !TEST_int_eq((int)my_param_ret[1], -1))
        goto err;

    /* Force the mem bio to return 0 if it has run out of data */
    my_param_count = 0;
    i = BIO_set_mem_eof_return(bio, 0);
    if (!TEST_int_eq(i, 1)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_CTRL)
            || !TEST_ptr_eq(my_param_argp[0], NULL)
            || !TEST_int_eq(my_param_argi[0], BIO_C_SET_BUF_MEM_EOF_RETURN)
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_int_eq((int)my_param_ret[0], 1)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_CTRL | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], NULL)
            || !TEST_int_eq(my_param_argi[1], BIO_C_SET_BUF_MEM_EOF_RETURN)
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_int_eq((int)my_param_ret[1], 1))
        goto err;
    my_param_count = 0;
    i = BIO_read(bio, buf, sizeof(buf));
    if (!TEST_int_eq(i, 0)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
            || !TEST_ptr_eq(my_param_argp[0], buf)
            || !TEST_size_t_eq(my_param_len[0], sizeof(buf))
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_int_eq((int)my_param_ret[0], 1)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], buf)
            || !TEST_size_t_eq(my_param_len[1], sizeof(buf))
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_size_t_eq(my_param_processed[1], 0)
            || !TEST_int_eq((int)my_param_ret[1], 0))
        goto err;

    my_param_count = 0;
    i = BIO_puts(bio, test2);
    if (!TEST_int_eq(i, 5)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_PUTS)
            || !TEST_ptr_eq(my_param_argp[0], test2)
            || !TEST_int_eq(my_param_argi[0], 0)
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_int_eq((int)my_param_ret[0], 1)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_PUTS | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], test2)
            || !TEST_int_eq(my_param_argi[1], 0)
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_size_t_eq(my_param_processed[1], test2len)
            || !TEST_int_eq((int)my_param_ret[1], 1))
        goto err;

    my_param_count = 0;
    i = BIO_free(bio);
    if (!TEST_int_eq(i, 1)
            || !TEST_int_eq(my_param_count, 1)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_FREE)
            || !TEST_ptr_eq(my_param_argp[0], NULL)
            || !TEST_int_eq(my_param_argi[0], 0)
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_int_eq((int)my_param_ret[0], 1))
        goto finish;

    ok = 1;
    goto finish;

err:
    BIO_free(bio);

finish:
    /* This helps finding memory leaks with ASAN */
    memset(my_param_b, 0, sizeof(my_param_b));
    memset(my_param_argp, 0, sizeof(my_param_argp));
    return ok;
}

#ifndef OPENSSL_NO_DEPRECATED_3_0
static long my_bio_callback(BIO *b, int oper, const char *argp, int argi,
                            long argl, long ret)
{
    if (my_param_count >= MAXCOUNT)
        return -1;
    my_param_b[my_param_count]    = b;
    my_param_oper[my_param_count] = oper;
    my_param_argp[my_param_count] = argp;
    my_param_argi[my_param_count] = argi;
    my_param_argl[my_param_count] = argl;
    my_param_ret[my_param_count]  = ret;
    my_param_count++;
    return ret;
}

static int test_bio_callback(void)
{
    int ok = 0;
    BIO *bio;
    int i;
    char test1[] = "test";
    const int test1len = sizeof(test1) - 1;
    char test2[] = "hello";
    const int test2len = sizeof(test2) - 1;
    char buf[16];

    my_param_count = 0;

    bio = BIO_new(BIO_s_mem());
    if (bio == NULL)
        goto err;

    BIO_set_callback(bio, my_bio_callback);
    i = BIO_write(bio, test1, test1len);
    if (!TEST_int_eq(i, test1len)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_WRITE)
            || !TEST_ptr_eq(my_param_argp[0], test1)
            || !TEST_int_eq(my_param_argi[0], test1len)
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_long_eq(my_param_ret[0], 1L)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_WRITE | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], test1)
            || !TEST_int_eq(my_param_argi[1], test1len)
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_long_eq(my_param_ret[1], (long)test1len))
        goto err;

    my_param_count = 0;
    i = BIO_read(bio, buf, sizeof(buf));
    if (!TEST_mem_eq(buf, i, test1, test1len)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
            || !TEST_ptr_eq(my_param_argp[0], buf)
            || !TEST_int_eq(my_param_argi[0], sizeof(buf))
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_long_eq(my_param_ret[0], 1L)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], buf)
            || !TEST_int_eq(my_param_argi[1], sizeof(buf))
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_long_eq(my_param_ret[1], (long)test1len))
        goto err;

    /* By default a mem bio returns -1 if it has run out of data */
    my_param_count = 0;
    i = BIO_read(bio, buf, sizeof(buf));
    if (!TEST_int_eq(i, -1)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
            || !TEST_ptr_eq(my_param_argp[0], buf)
            || !TEST_int_eq(my_param_argi[0], sizeof(buf))
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_long_eq(my_param_ret[0], 1L)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], buf)
            || !TEST_int_eq(my_param_argi[1], sizeof(buf))
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_long_eq(my_param_ret[1], -1L))
        goto err;

    /* Force the mem bio to return 0 if it has run out of data */
    BIO_set_mem_eof_return(bio, 0);
    my_param_count = 0;
    i = BIO_read(bio, buf, sizeof(buf));
    if (!TEST_int_eq(i, 0)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_READ)
            || !TEST_ptr_eq(my_param_argp[0], buf)
            || !TEST_int_eq(my_param_argi[0], sizeof(buf))
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_long_eq(my_param_ret[0], 1L)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_READ | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], buf)
            || !TEST_int_eq(my_param_argi[1], sizeof(buf))
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_long_eq(my_param_ret[1], 0L))
        goto err;

    my_param_count = 0;
    i = BIO_puts(bio, test2);
    if (!TEST_int_eq(i, 5)
            || !TEST_int_eq(my_param_count, 2)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_PUTS)
            || !TEST_ptr_eq(my_param_argp[0], test2)
            || !TEST_int_eq(my_param_argi[0], 0)
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_long_eq(my_param_ret[0], 1L)
            || !TEST_ptr_eq(my_param_b[1], bio)
            || !TEST_int_eq(my_param_oper[1], BIO_CB_PUTS | BIO_CB_RETURN)
            || !TEST_ptr_eq(my_param_argp[1], test2)
            || !TEST_int_eq(my_param_argi[1], 0)
            || !TEST_long_eq(my_param_argl[1], 0L)
            || !TEST_long_eq(my_param_ret[1], (long)test2len))
        goto err;

    my_param_count = 0;
    i = BIO_free(bio);
    if (!TEST_int_eq(i, 1)
            || !TEST_int_eq(my_param_count, 1)
            || !TEST_ptr_eq(my_param_b[0], bio)
            || !TEST_int_eq(my_param_oper[0], BIO_CB_FREE)
            || !TEST_ptr_eq(my_param_argp[0], NULL)
            || !TEST_int_eq(my_param_argi[0], 0)
            || !TEST_long_eq(my_param_argl[0], 0L)
            || !TEST_long_eq(my_param_ret[0], 1L))
        goto finish;

    ok = 1;
    goto finish;

err:
    BIO_free(bio);

finish:
    /* This helps finding memory leaks with ASAN */
    memset(my_param_b, 0, sizeof(my_param_b));
    memset(my_param_argp, 0, sizeof(my_param_argp));
    return ok;
}
#endif

int setup_tests(void)
{
    ADD_TEST(test_bio_callback_ex);
#ifndef OPENSSL_NO_DEPRECATED_3_0
    ADD_TEST(test_bio_callback);
#endif
    return 1;
}
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