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/*
* 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
*/
#include <stdio.h>
#include <string.h>
#include <openssl/buffer.h>
#include <openssl/bio.h>
#include "testutil.h"
static int test_bio_memleak(void)
{
int ok = 0;
BIO *bio;
BUF_MEM bufmem;
static const char str[] = "BIO test\n";
char buf[100];
bio = BIO_new(BIO_s_mem());
if (!TEST_ptr(bio))
goto finish;
bufmem.length = sizeof(str);
bufmem.data = (char *) str;
bufmem.max = bufmem.length;
BIO_set_mem_buf(bio, &bufmem, BIO_NOCLOSE);
BIO_set_flags(bio, BIO_FLAGS_MEM_RDONLY);
if (!TEST_int_eq(BIO_read(bio, buf, sizeof(buf)), sizeof(str)))
goto finish;
if (!TEST_mem_eq(buf, sizeof(str), str, sizeof(str)))
goto finish;
ok = 1;
finish:
BIO_free(bio);
return ok;
}
static int test_bio_get_mem(void)
{
int ok = 0;
BIO *bio = NULL;
BUF_MEM *bufmem = NULL;
bio = BIO_new(BIO_s_mem());
if (!TEST_ptr(bio))
goto finish;
if (!TEST_int_eq(BIO_puts(bio, "Hello World\n"), 12))
goto finish;
BIO_get_mem_ptr(bio, &bufmem);
if (!TEST_ptr(bufmem))
goto finish;
if (!TEST_int_gt(BIO_set_close(bio, BIO_NOCLOSE), 0))
goto finish;
BIO_free(bio);
bio = NULL;
if (!TEST_mem_eq(bufmem->data, bufmem->length, "Hello World\n", 12))
goto finish;
ok = 1;
finish:
BIO_free(bio);
BUF_MEM_free(bufmem);
return ok;
}
static int test_bio_new_mem_buf(void)
{
int ok = 0;
BIO *bio;
BUF_MEM *bufmem;
char data[16];
bio = BIO_new_mem_buf("Hello World\n", 12);
if (!TEST_ptr(bio))
goto finish;
if (!TEST_int_eq(BIO_read(bio, data, 5), 5))
goto finish;
if (!TEST_mem_eq(data, 5, "Hello", 5))
goto finish;
if (!TEST_int_gt(BIO_get_mem_ptr(bio, &bufmem), 0))
goto finish;
if (!TEST_int_lt(BIO_write(bio, "test", 4), 0))
goto finish;
if (!TEST_int_eq(BIO_read(bio, data, 16), 7))
goto finish;
if (!TEST_mem_eq(data, 7, " World\n", 7))
goto finish;
if (!TEST_int_gt(BIO_reset(bio), 0))
goto finish;
if (!TEST_int_eq(BIO_read(bio, data, 16), 12))
goto finish;
if (!TEST_mem_eq(data, 12, "Hello World\n", 12))
goto finish;
ok = 1;
finish:
BIO_free(bio);
return ok;
}
static int test_bio_rdonly_mem_buf(void)
{
int ok = 0;
BIO *bio, *bio2 = NULL;
BUF_MEM *bufmem;
char data[16];
bio = BIO_new_mem_buf("Hello World\n", 12);
if (!TEST_ptr(bio))
goto finish;
if (!TEST_int_eq(BIO_read(bio, data, 5), 5))
goto finish;
if (!TEST_mem_eq(data, 5, "Hello", 5))
goto finish;
if (!TEST_int_gt(BIO_get_mem_ptr(bio, &bufmem), 0))
goto finish;
(void)BIO_set_close(bio, BIO_NOCLOSE);
bio2 = BIO_new(BIO_s_mem());
if (!TEST_ptr(bio2))
goto finish;
BIO_set_mem_buf(bio2, bufmem, BIO_CLOSE);
BIO_set_flags(bio2, BIO_FLAGS_MEM_RDONLY);
if (!TEST_int_eq(BIO_read(bio2, data, 16), 7))
goto finish;
if (!TEST_mem_eq(data, 7, " World\n", 7))
goto finish;
if (!TEST_int_gt(BIO_reset(bio2), 0))
goto finish;
if (!TEST_int_eq(BIO_read(bio2, data, 16), 7))
goto finish;
if (!TEST_mem_eq(data, 7, " World\n", 7))
goto finish;
ok = 1;
finish:
BIO_free(bio);
BIO_free(bio2);
return ok;
}
static int test_bio_rdwr_rdonly(void)
{
int ok = 0;
BIO *bio = NULL;
char data[16];
bio = BIO_new(BIO_s_mem());
if (!TEST_ptr(bio))
goto finish;
if (!TEST_int_eq(BIO_puts(bio, "Hello World\n"), 12))
goto finish;
BIO_set_flags(bio, BIO_FLAGS_MEM_RDONLY);
if (!TEST_int_eq(BIO_read(bio, data, 16), 12))
goto finish;
if (!TEST_mem_eq(data, 12, "Hello World\n", 12))
goto finish;
if (!TEST_int_gt(BIO_reset(bio), 0))
goto finish;
BIO_clear_flags(bio, BIO_FLAGS_MEM_RDONLY);
if (!TEST_int_eq(BIO_puts(bio, "Hi!\n"), 4))
goto finish;
if (!TEST_int_eq(BIO_read(bio, data, 16), 16))
goto finish;
if (!TEST_mem_eq(data, 16, "Hello World\nHi!\n", 16))
goto finish;
ok = 1;
finish:
BIO_free(bio);
return ok;
}
static int test_bio_nonclear_rst(void)
{
int ok = 0;
BIO *bio = NULL;
char data[16];
bio = BIO_new(BIO_s_mem());
if (!TEST_ptr(bio))
goto finish;
if (!TEST_int_eq(BIO_puts(bio, "Hello World\n"), 12))
goto finish;
BIO_set_flags(bio, BIO_FLAGS_NONCLEAR_RST);
if (!TEST_int_eq(BIO_read(bio, data, 16), 12))
goto finish;
if (!TEST_mem_eq(data, 12, "Hello World\n", 12))
goto finish;
if (!TEST_int_gt(BIO_reset(bio), 0))
goto finish;
if (!TEST_int_eq(BIO_read(bio, data, 16), 12))
goto finish;
if (!TEST_mem_eq(data, 12, "Hello World\n", 12))
goto finish;
BIO_clear_flags(bio, BIO_FLAGS_NONCLEAR_RST);
if (!TEST_int_gt(BIO_reset(bio), 0))
goto finish;
if (!TEST_int_lt(BIO_read(bio, data, 16), 1))
goto finish;
ok = 1;
finish:
BIO_free(bio);
return ok;
}
static int error_callback_fired;
static long BIO_error_callback(BIO *bio, int cmd, const char *argp,
size_t len, int argi,
long argl, int ret, size_t *processed)
{
if ((cmd & (BIO_CB_READ | BIO_CB_RETURN)) != 0) {
error_callback_fired = 1;
ret = 0; /* fail for read operations to simulate error in input BIO */
}
return ret;
}
/* Checks i2d_ASN1_bio_stream() is freeing all memory when input BIO ends unexpectedly. */
static int test_bio_i2d_ASN1_mime(void)
{
int ok = 0;
BIO *bio = NULL, *out = NULL;
BUF_MEM bufmem;
static const char str[] = "BIO mime test\n";
PKCS7 *p7 = NULL;
if (!TEST_ptr(bio = BIO_new(BIO_s_mem())))
goto finish;
bufmem.length = sizeof(str);
bufmem.data = (char *) str;
bufmem.max = bufmem.length;
BIO_set_mem_buf(bio, &bufmem, BIO_NOCLOSE);
BIO_set_flags(bio, BIO_FLAGS_MEM_RDONLY);
BIO_set_callback_ex(bio, BIO_error_callback);
if (!TEST_ptr(out = BIO_new(BIO_s_mem())))
goto finish;
if (!TEST_ptr(p7 = PKCS7_new()))
goto finish;
if (!TEST_true(PKCS7_set_type(p7, NID_pkcs7_data)))
goto finish;
error_callback_fired = 0;
if (!TEST_false(i2d_ASN1_bio_stream(out, (ASN1_VALUE*) p7, bio,
SMIME_STREAM | SMIME_BINARY,
ASN1_ITEM_rptr(PKCS7))))
goto finish;
if (!TEST_int_eq(error_callback_fired, 1))
goto finish;
ok = 1;
finish:
BIO_free(bio);
BIO_free(out);
PKCS7_free(p7);
return ok;
}
int setup_tests(void)
{
ADD_TEST(test_bio_memleak);
ADD_TEST(test_bio_get_mem);
ADD_TEST(test_bio_new_mem_buf);
ADD_TEST(test_bio_rdonly_mem_buf);
ADD_TEST(test_bio_rdwr_rdonly);
ADD_TEST(test_bio_nonclear_rst);
ADD_TEST(test_bio_i2d_ASN1_mime);
return 1;
}
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