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openssl/test/wpackettest.c
David Benjamin 609b0852e4 Remove trailing whitespace from some files. 
The prevailing style seems to not have trailing whitespace, but a few
lines do. This is mostly in the perlasm files, but a few C files got
them after the reformat. This is the result of:

  find . -name '*.pl' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'
  find . -name '*.c' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'
  find . -name '*.h' | xargs sed -E -i '' -e 's/( |'$'\t'')*$//'

Then bn_prime.h was excluded since this is a generated file.

Note mkerr.pl has some changes in a heredoc for some help output, but
other lines there lack trailing whitespace too.

Reviewed-by: Kurt Roeckx <kurt@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
2016-10-10 23:36:21 +01:00

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/*
* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the OpenSSL license (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 <openssl/buffer.h>
#include "../ssl/packet_locl.h"
#include "testutil.h"
const static unsigned char simple1 = 0xff;
const static unsigned char simple2[] = { 0x01, 0xff };
const static unsigned char simple3[] = { 0x00, 0x00, 0x00, 0x01, 0xff };
const static unsigned char nestedsub[] = { 0x03, 0xff, 0x01, 0xff };
const static unsigned char seqsub[] = { 0x01, 0xff, 0x01, 0xff };
const static unsigned char empty = 0x00;
const static unsigned char alloc[] = { 0x02, 0xfe, 0xff };
const static unsigned char submem[] = { 0x03, 0x02, 0xfe, 0xff };
static BUF_MEM *buf;
static void testfail(const char *msg, WPACKET *pkt)
{
fprintf(stderr, "%s", msg);
WPACKET_cleanup(pkt);
}
static int test_WPACKET_init(void)
{
WPACKET pkt;
int i;
size_t written;
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
/* Closing a top level WPACKET should fail */
|| WPACKET_close(&pkt)
/* Finishing a top level WPACKET should succeed */
|| !WPACKET_finish(&pkt)
/*
* Can't call close or finish on a WPACKET that's already
* finished.
*/
|| WPACKET_close(&pkt)
|| WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple1)
|| memcmp(buf->data, &simple1, written) != 0) {
testfail("test_WPACKET_init():1 failed\n", &pkt);
return 0;
}
/* Now try with a one byte length prefix */
if (!WPACKET_init_len(&pkt, buf, 1)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple2)
|| memcmp(buf->data, &simple2, written) != 0) {
testfail("test_WPACKET_init():2 failed\n", &pkt);
return 0;
}
/* And a longer length prefix */
if (!WPACKET_init_len(&pkt, buf, 4)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple3)
|| memcmp(buf->data, &simple3, written) != 0) {
testfail("test_WPACKET_init():3 failed\n", &pkt);
return 0;
}
if (!WPACKET_init_len(&pkt, buf, 1)) {
testfail("test_WPACKET_init():4 failed\n", &pkt);
return 0;
}
for (i = 1; i < 257; i++) {
/*
* Putting more bytes in than fit for the size of the length prefix
* should fail
*/
if ((!WPACKET_put_bytes_u8(&pkt, 0xff)) == (i != 256)) {
testfail("test_WPACKET_init():4 failed\n", &pkt);
return 0;
}
}
if (!WPACKET_finish(&pkt)) {
testfail("test_WPACKET_init():4 failed\n", &pkt);
return 0;
}
return 1;
}
static int test_WPACKET_set_max_size(void)
{
WPACKET pkt;
size_t written;
if (!WPACKET_init(&pkt, buf)
/*
* No previous lenbytes set so we should be ok to set the max
* possible max size
*/
|| !WPACKET_set_max_size(&pkt, SIZE_MAX)
/* We should be able to set it smaller too */
|| !WPACKET_set_max_size(&pkt, SIZE_MAX -1)
/* And setting it bigger again should be ok */
|| !WPACKET_set_max_size(&pkt, SIZE_MAX)
|| !WPACKET_finish(&pkt)) {
testfail("test_WPACKET_set_max_size():1 failed\n", &pkt);
return 0;
}
if (!WPACKET_init_len(&pkt, buf, 1)
/*
* Should fail because we already consumed 1 byte with the
* length
*/
|| WPACKET_set_max_size(&pkt, 0)
/*
* Max size can't be bigger than biggest that will fit in
* lenbytes
*/
|| WPACKET_set_max_size(&pkt, 0x0101)
/* It can be the same as the maximum possible size */
|| !WPACKET_set_max_size(&pkt, 0x0100)
/* Or it can be less */
|| !WPACKET_set_max_size(&pkt, 0x01)
/*
* Should fail because packet is already filled
*/
|| WPACKET_put_bytes_u8(&pkt, 0xff)
/*
* You can't put in more bytes than max size
*/
|| !WPACKET_set_max_size(&pkt, 0x02)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple2)
|| memcmp(buf->data, &simple2, written) != 0) {
testfail("test_WPACKET_set_max_size():2 failed\n", &pkt);
return 0;
}
return 1;
}
static int test_WPACKET_start_sub_packet(void)
{
WPACKET pkt;
size_t written;
size_t len;
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_start_sub_packet(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
/* Can't finish because we have a sub packet */
|| WPACKET_finish(&pkt)
|| !WPACKET_close(&pkt)
/* Sub packet is closed so can't close again */
|| WPACKET_close(&pkt)
/* Now a top level so finish should succeed */
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple1)
|| memcmp(buf->data, &simple1, written) != 0) {
testfail("test_WPACKET_start_sub_packet():1 failed\n", &pkt);
return 0;
}
/* Single sub-packet with length prefix */
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_close(&pkt)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple2)
|| memcmp(buf->data, &simple2, written) != 0) {
testfail("test_WPACKET_start_sub_packet():2 failed\n", &pkt);
return 0;
}
/* Nested sub-packets with length prefixes */
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_get_length(&pkt, &len)
|| len != 1
|| !WPACKET_close(&pkt)
|| !WPACKET_get_length(&pkt, &len)
|| len != 3
|| !WPACKET_close(&pkt)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(nestedsub)
|| memcmp(buf->data, &nestedsub, written) != 0) {
testfail("test_WPACKET_start_sub_packet():3 failed\n", &pkt);
return 0;
}
/* Sequential sub-packets with length prefixes */
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_close(&pkt)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_close(&pkt)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(seqsub)
|| memcmp(buf->data, &seqsub, written) != 0) {
testfail("test_WPACKET_start_sub_packet():4 failed\n", &pkt);
return 0;
}
return 1;
}
static int test_WPACKET_set_flags(void)
{
WPACKET pkt;
size_t written;
/* Set packet to be non-zero length */
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_set_flags(&pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)
/* Should fail because of zero length */
|| WPACKET_finish(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple1)
|| memcmp(buf->data, &simple1, written) != 0) {
testfail("test_WPACKET_set_flags():1 failed\n", &pkt);
return 0;
}
/* Repeat above test in a sub-packet */
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_start_sub_packet(&pkt)
|| !WPACKET_set_flags(&pkt, WPACKET_FLAGS_NON_ZERO_LENGTH)
/* Should fail because of zero length */
|| WPACKET_close(&pkt)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_close(&pkt)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple1)
|| memcmp(buf->data, &simple1, written) != 0) {
testfail("test_WPACKET_set_flags():2 failed\n", &pkt);
return 0;
}
/* Set packet to abandon non-zero length */
if (!WPACKET_init_len(&pkt, buf, 1)
|| !WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != 0) {
testfail("test_WPACKET_set_flags():3 failed\n", &pkt);
return 0;
}
/* Repeat above test but only abandon a sub-packet */
if (!WPACKET_init_len(&pkt, buf, 1)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
|| !WPACKET_close(&pkt)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(empty)
|| memcmp(buf->data, &empty, written) != 0) {
testfail("test_WPACKET_set_flags():4 failed\n", &pkt);
return 0;
}
/* And repeat with a non empty sub-packet */
if (!WPACKET_init(&pkt, buf)
|| !WPACKET_start_sub_packet_u8(&pkt)
|| !WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH)
|| !WPACKET_put_bytes_u8(&pkt, 0xff)
|| !WPACKET_close(&pkt)
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(simple2)
|| memcmp(buf->data, &simple2, written) != 0) {
testfail("test_WPACKET_set_flags():5 failed\n", &pkt);
return 0;
}
return 1;
}
static int test_WPACKET_allocate_bytes(void)
{
WPACKET pkt;
size_t written;
unsigned char *bytes;
if (!WPACKET_init_len(&pkt, buf, 1)
|| !WPACKET_allocate_bytes(&pkt, 2, &bytes)) {
testfail("test_WPACKET_allocate_bytes():1 failed\n", &pkt);
return 0;
}
bytes[0] = 0xfe;
bytes[1] = 0xff;
if (!WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(alloc)
|| memcmp(buf->data, &alloc, written) != 0) {
testfail("test_WPACKET_allocate_bytes():2 failed\n", &pkt);
return 0;
}
/* Repeat with WPACKET_sub_allocate_bytes */
if (!WPACKET_init_len(&pkt, buf, 1)
|| !WPACKET_sub_allocate_bytes_u8(&pkt, 2, &bytes)) {
testfail("test_WPACKET_allocate_bytes():3 failed\n", &pkt);
return 0;
}
bytes[0] = 0xfe;
bytes[1] = 0xff;
if (!WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(submem)
|| memcmp(buf->data, &submem, written) != 0) {
testfail("test_WPACKET_allocate_bytes():4 failed\n", &pkt);
return 0;
}
return 1;
}
static int test_WPACKET_memcpy(void)
{
WPACKET pkt;
size_t written;
const unsigned char bytes[] = { 0xfe, 0xff };
if (!WPACKET_init_len(&pkt, buf, 1)
|| !WPACKET_memcpy(&pkt, bytes, sizeof(bytes))
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(alloc)
|| memcmp(buf->data, &alloc, written) != 0) {
testfail("test_WPACKET_memcpy():1 failed\n", &pkt);
return 0;
}
/* Repeat with WPACKET_sub_memcpy() */
if (!WPACKET_init_len(&pkt, buf, 1)
|| !WPACKET_sub_memcpy_u8(&pkt, bytes, sizeof(bytes))
|| !WPACKET_finish(&pkt)
|| !WPACKET_get_total_written(&pkt, &written)
|| written != sizeof(submem)
|| memcmp(buf->data, &submem, written) != 0) {
testfail("test_WPACKET_memcpy():2 failed\n", &pkt);
return 0;
}
return 1;
}
int main(int argc, char *argv[])
{
BIO *err = NULL;
int testresult = 0;
err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
CRYPTO_set_mem_debug(1);
CRYPTO_mem_ctrl(CRYPTO_MEM_CHECK_ON);
buf = BUF_MEM_new();
if (buf != NULL) {
ADD_TEST(test_WPACKET_init);
ADD_TEST(test_WPACKET_set_max_size);
ADD_TEST(test_WPACKET_start_sub_packet);
ADD_TEST(test_WPACKET_set_flags);
ADD_TEST(test_WPACKET_allocate_bytes);
ADD_TEST(test_WPACKET_memcpy);
testresult = run_tests(argv[0]);
BUF_MEM_free(buf);
}
#ifndef OPENSSL_NO_CRYPTO_MDEBUG
if (CRYPTO_mem_leaks(err) <= 0)
testresult = 1;
#endif
BIO_free(err);
if (!testresult)
printf("PASS\n");
return testresult;
}
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