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openssl/test/packettest.c
Emilia Kasper b698174493 constify PACKET 
PACKET contents should be read-only. To achieve this, also
- constify two user callbacks
- constify BUF_reverse.

Reviewed-by: Rich Salz <rsalz@openssl.org>
2016-02-01 16:21:57 +01:00

494 lines
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/*
* Written by Matt Caswell for the OpenSSL project.
*/
/* ====================================================================
* Copyright (c) 2015 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#include "../ssl/packet_locl.h"
#define BUF_LEN 255
static int test_PACKET_remaining(unsigned char buf[BUF_LEN])
{
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| PACKET_remaining(&pkt) != BUF_LEN
|| !PACKET_forward(&pkt, BUF_LEN - 1)
|| PACKET_remaining(&pkt) != 1
|| !PACKET_forward(&pkt, 1)
|| PACKET_remaining(&pkt) != 0) {
fprintf(stderr, "test_PACKET_remaining() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_1(unsigned char buf[BUF_LEN])
{
unsigned int i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_1(&pkt, &i)
|| i != 0x02
|| !PACKET_forward(&pkt, BUF_LEN - 2)
|| !PACKET_get_1(&pkt, &i)
|| i != 0xfe
|| PACKET_get_1(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_1() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_4(unsigned char buf[BUF_LEN])
{
unsigned long i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_4(&pkt, &i)
|| i != 0x08060402UL
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_get_4(&pkt, &i)
|| i != 0xfefcfaf8UL
|| PACKET_get_4(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_4() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_net_2(unsigned char buf[BUF_LEN])
{
unsigned int i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_net_2(&pkt, &i)
|| i != 0x0204
|| !PACKET_forward(&pkt, BUF_LEN - 4)
|| !PACKET_get_net_2(&pkt, &i)
|| i != 0xfcfe
|| PACKET_get_net_2(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_net_2() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_net_3(unsigned char buf[BUF_LEN])
{
unsigned long i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_net_3(&pkt, &i)
|| i != 0x020406UL
|| !PACKET_forward(&pkt, BUF_LEN - 6)
|| !PACKET_get_net_3(&pkt, &i)
|| i != 0xfafcfeUL
|| PACKET_get_net_3(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_net_3() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_net_4(unsigned char buf[BUF_LEN])
{
unsigned long i;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_net_4(&pkt, &i)
|| i != 0x02040608UL
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_get_net_4(&pkt, &i)
|| i != 0xf8fafcfeUL
|| PACKET_get_net_4(&pkt, &i)) {
fprintf(stderr, "test_PACKET_get_net_4() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_sub_packet(unsigned char buf[BUF_LEN])
{
PACKET pkt, subpkt;
unsigned long i;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_sub_packet(&pkt, &subpkt, 4)
|| !PACKET_get_net_4(&subpkt, &i)
|| i != 0x02040608UL
|| PACKET_remaining(&subpkt)
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_get_sub_packet(&pkt, &subpkt, 4)
|| !PACKET_get_net_4(&subpkt, &i)
|| i != 0xf8fafcfeUL
|| PACKET_remaining(&subpkt)
|| PACKET_get_sub_packet(&pkt, &subpkt, 4)) {
fprintf(stderr, "test_PACKET_get_sub_packet() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_bytes(unsigned char buf[BUF_LEN])
{
const unsigned char *bytes;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_get_bytes(&pkt, &bytes, 4)
|| bytes[0] != 2 || bytes[1] != 4
|| bytes[2] != 6 || bytes[3] != 8
|| PACKET_remaining(&pkt) != BUF_LEN -4
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_get_bytes(&pkt, &bytes, 4)
|| bytes[0] != 0xf8 || bytes[1] != 0xfa
|| bytes[2] != 0xfc || bytes[3] != 0xfe
|| PACKET_remaining(&pkt)) {
fprintf(stderr, "test_PACKET_get_bytes() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_copy_bytes(unsigned char buf[BUF_LEN])
{
unsigned char bytes[4];
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_copy_bytes(&pkt, bytes, 4)
|| bytes[0] != 2 || bytes[1] != 4
|| bytes[2] != 6 || bytes[3] != 8
|| PACKET_remaining(&pkt) != BUF_LEN - 4
|| !PACKET_forward(&pkt, BUF_LEN - 8)
|| !PACKET_copy_bytes(&pkt, bytes, 4)
|| bytes[0] != 0xf8 || bytes[1] != 0xfa
|| bytes[2] != 0xfc || bytes[3] != 0xfe
|| PACKET_remaining(&pkt)) {
fprintf(stderr, "test_PACKET_copy_bytes() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_copy_all(unsigned char buf[BUF_LEN])
{
unsigned char tmp[BUF_LEN];
PACKET pkt;
size_t len;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_copy_all(&pkt, tmp, BUF_LEN, &len)
|| len != BUF_LEN
|| memcmp(buf, tmp, BUF_LEN) != 0
|| PACKET_remaining(&pkt) != BUF_LEN
|| PACKET_copy_all(&pkt, tmp, BUF_LEN - 1, &len)) {
fprintf(stderr, "test_PACKET_copy_bytes() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_memdup(unsigned char buf[BUF_LEN])
{
unsigned char *data = NULL;
size_t len;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_memdup(&pkt, &data, &len)
|| len != BUF_LEN
|| memcmp(data, PACKET_data(&pkt), len)
|| !PACKET_forward(&pkt, 10)
|| !PACKET_memdup(&pkt, &data, &len)
|| len != BUF_LEN - 10
|| memcmp(data, PACKET_data(&pkt), len)) {
fprintf(stderr, "test_PACKET_memdup() failed\n");
OPENSSL_free(data);
return 0;
}
OPENSSL_free(data);
return 1;
}
static int test_PACKET_strndup()
{
char buf[10], buf2[10];
char *data = NULL;
PACKET pkt;
memset(buf, 'x', 10);
memset(buf2, 'y', 10);
buf2[5] = '\0';
if ( !PACKET_buf_init(&pkt, (unsigned char*)buf, 10)
|| !PACKET_strndup(&pkt, &data)
|| strlen(data) != 10
|| strncmp(data, buf, 10)
|| !PACKET_buf_init(&pkt, (unsigned char*)buf2, 10)
|| !PACKET_strndup(&pkt, &data)
|| strlen(data) != 5
|| strcmp(data, buf2)) {
fprintf(stderr, "test_PACKET_strndup failed\n");
OPENSSL_free(data);
return 0;
}
OPENSSL_free(data);
return 1;
}
static int test_PACKET_forward(unsigned char buf[BUF_LEN])
{
const unsigned char *byte;
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_forward(&pkt, 1)
|| !PACKET_get_bytes(&pkt, &byte, 1)
|| byte[0] != 4
|| !PACKET_forward(&pkt, BUF_LEN - 3)
|| !PACKET_get_bytes(&pkt, &byte, 1)
|| byte[0] != 0xfe) {
fprintf(stderr, "test_PACKET_forward() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_buf_init()
{
unsigned char buf[BUF_LEN];
PACKET pkt;
/* Also tests PACKET_remaining() */
if ( !PACKET_buf_init(&pkt, buf, 4)
|| PACKET_remaining(&pkt) != 4
|| !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| PACKET_remaining(&pkt) != BUF_LEN
|| PACKET_buf_init(&pkt, buf, -1)) {
fprintf(stderr, "test_PACKET_buf_init() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_null_init()
{
PACKET pkt;
PACKET_null_init(&pkt);
if ( PACKET_remaining(&pkt) != 0
|| PACKET_forward(&pkt, 1)) {
fprintf(stderr, "test_PACKET_null_init() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_equal(unsigned char buf[BUF_LEN])
{
PACKET pkt;
if ( !PACKET_buf_init(&pkt, buf, 4)
|| !PACKET_equal(&pkt, buf, 4)
|| PACKET_equal(&pkt, buf + 1, 4)
|| !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_equal(&pkt, buf, BUF_LEN)
|| PACKET_equal(&pkt, buf, BUF_LEN - 1)
|| PACKET_equal(&pkt, buf, BUF_LEN + 1)
|| PACKET_equal(&pkt, buf, 0)) {
fprintf(stderr, "test_PACKET_equal() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_length_prefixed_1()
{
unsigned char buf[BUF_LEN];
const size_t len = 16;
unsigned int i;
PACKET pkt, short_pkt, subpkt;
buf[0] = len;
for (i = 1; i < BUF_LEN; i++) {
buf[i] = (i * 2) & 0xff;
}
if ( !PACKET_buf_init(&pkt, buf, BUF_LEN)
|| !PACKET_buf_init(&short_pkt, buf, len)
|| !PACKET_get_length_prefixed_1(&pkt, &subpkt)
|| PACKET_remaining(&subpkt) != len
|| !PACKET_get_net_2(&subpkt, &i)
|| i != 0x0204
|| PACKET_get_length_prefixed_1(&short_pkt, &subpkt)
|| PACKET_remaining(&short_pkt) != len) {
fprintf(stderr, "test_PACKET_get_length_prefixed_1() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_length_prefixed_2()
{
unsigned char buf[1024];
const size_t len = 516; /* 0x0204 */
unsigned int i;
PACKET pkt, short_pkt, subpkt;
for (i = 1; i <= 1024; i++) {
buf[i-1] = (i * 2) & 0xff;
}
if ( !PACKET_buf_init(&pkt, buf, 1024)
|| !PACKET_buf_init(&short_pkt, buf, len)
|| !PACKET_get_length_prefixed_2(&pkt, &subpkt)
|| PACKET_remaining(&subpkt) != len
|| !PACKET_get_net_2(&subpkt, &i)
|| i != 0x0608
|| PACKET_get_length_prefixed_2(&short_pkt, &subpkt)
|| PACKET_remaining(&short_pkt) != len) {
fprintf(stderr, "test_PACKET_get_length_prefixed_2() failed\n");
return 0;
}
return 1;
}
static int test_PACKET_get_length_prefixed_3()
{
unsigned char buf[1024];
const size_t len = 516; /* 0x000204 */
unsigned int i;
PACKET pkt, short_pkt, subpkt;
for (i = 0; i < 1024; i++) {
buf[i] = (i * 2) & 0xff;
}
if ( !PACKET_buf_init(&pkt, buf, 1024)
|| !PACKET_buf_init(&short_pkt, buf, len)
|| !PACKET_get_length_prefixed_3(&pkt, &subpkt)
|| PACKET_remaining(&subpkt) != len
|| !PACKET_get_net_2(&subpkt, &i)
|| i != 0x0608
|| PACKET_get_length_prefixed_3(&short_pkt, &subpkt)
|| PACKET_remaining(&short_pkt) != len) {
fprintf(stderr, "test_PACKET_get_length_prefixed_3() failed\n");
return 0;
}
return 1;
}
int main(int argc, char **argv)
{
unsigned char buf[BUF_LEN];
unsigned int i;
for (i=1; i<=BUF_LEN; i++) {
buf[i-1] = (i * 2) & 0xff;
}
i = 0;
if ( !test_PACKET_buf_init()
|| !test_PACKET_null_init()
|| !test_PACKET_remaining(buf)
|| !test_PACKET_equal(buf)
|| !test_PACKET_get_1(buf)
|| !test_PACKET_get_4(buf)
|| !test_PACKET_get_net_2(buf)
|| !test_PACKET_get_net_3(buf)
|| !test_PACKET_get_net_4(buf)
|| !test_PACKET_get_sub_packet(buf)
|| !test_PACKET_get_bytes(buf)
|| !test_PACKET_copy_bytes(buf)
|| !test_PACKET_copy_all(buf)
|| !test_PACKET_memdup(buf)
|| !test_PACKET_strndup()
|| !test_PACKET_forward(buf)
|| !test_PACKET_get_length_prefixed_1()
|| !test_PACKET_get_length_prefixed_2()
|| !test_PACKET_get_length_prefixed_3()) {
return 1;
}
printf("PASS\n");
return 0;
}
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