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openssl/test/wpackettest.c
Pauli ad887416f1 Update the test framework so that the need for test_main is removed. Everything 
that needed test_main now works using the same infrastructure as tests that used
register_tests.

This meant:
* renaming register_tests to setup_tests and giving it a success/failure return.
* renaming the init_test function to setup_test_framework.
* renaming the finish_test function to pulldown_test_framework.
* adding a user provided global_init function that runs before the test frame
    work is initialised.  It returns a failure indication that stops the stest.
* adding helper functions that permit tests to access their command line args.
* spliting the BIO initialisation and finalisation out from the test setup and
    teardown.
* hiding some of the now test internal functions.
* fix the comments in testutil.h

Reviewed-by: Richard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3953)
2017-07-27 07:53:08 +10:00

381 lines
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/*
* Copyright 2016-2017 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>
#ifdef __VMS
# pragma names save
# pragma names as_is,shortened
#endif
#include "../ssl/packet_locl.h"
#ifdef __VMS
# pragma names restore
#endif
#include "testutil.h"
static const unsigned char simple1[] = { 0xff };
static const unsigned char simple2[] = { 0x01, 0xff };
static const unsigned char simple3[] = { 0x00, 0x00, 0x00, 0x01, 0xff };
static const unsigned char nestedsub[] = { 0x03, 0xff, 0x01, 0xff };
static const unsigned char seqsub[] = { 0x01, 0xff, 0x01, 0xff };
static const unsigned char empty[] = { 0x00 };
static const unsigned char alloc[] = { 0x02, 0xfe, 0xff };
static const unsigned char submem[] = { 0x03, 0x02, 0xfe, 0xff };
static const unsigned char fixed[] = { 0xff, 0xff, 0xff };
static BUF_MEM *buf;
static int cleanup(WPACKET *pkt)
{
WPACKET_cleanup(pkt);
return 0;
}
static int test_WPACKET_init(void)
{
WPACKET pkt;
int i;
size_t written;
unsigned char sbuf[3];
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
/* Closing a top level WPACKET should fail */
|| !TEST_false(WPACKET_close(&pkt))
/* Finishing a top level WPACKET should succeed */
|| !TEST_true(WPACKET_finish(&pkt))
/*
* Can't call close or finish on a WPACKET that's already
* finished.
*/
|| !TEST_false(WPACKET_close(&pkt))
|| !TEST_false(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple1, sizeof(simple1)))
return cleanup(&pkt);
/* Now try with a one byte length prefix */
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple2, sizeof(simple2)))
return cleanup(&pkt);
/* And a longer length prefix */
if (!TEST_true(WPACKET_init_len(&pkt, buf, 4))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple3, sizeof(simple3)))
return cleanup(&pkt);
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1)))
return cleanup(&pkt);
for (i = 1; i < 257; i++) {
/*
* Putting more bytes in than fit for the size of the length prefix
* should fail
*/
if (!TEST_int_eq(WPACKET_put_bytes_u8(&pkt, 0xff), i < 256))
return cleanup(&pkt);
}
if (!TEST_true(WPACKET_finish(&pkt)))
return cleanup(&pkt);
/* Test initialising from a fixed size buffer */
if (!TEST_true(WPACKET_init_static_len(&pkt, sbuf, sizeof(sbuf), 0))
/* Adding 3 bytes should succeed */
|| !TEST_true(WPACKET_put_bytes_u24(&pkt, 0xffffff))
/* Adding 1 more byte should fail */
|| !TEST_false(WPACKET_put_bytes_u8(&pkt, 0xff))
/* Finishing the top level WPACKET should succeed */
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(sbuf, written, fixed, sizeof(sbuf))
/* Initialise with 1 len byte */
|| !TEST_true(WPACKET_init_static_len(&pkt, sbuf, sizeof(sbuf), 1))
/* Adding 2 bytes should succeed */
|| !TEST_true(WPACKET_put_bytes_u16(&pkt, 0xfeff))
/* Adding 1 more byte should fail */
|| !TEST_false(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(sbuf, written, alloc, sizeof(alloc)))
return cleanup(&pkt);
return 1;
}
static int test_WPACKET_set_max_size(void)
{
WPACKET pkt;
size_t written;
if (!TEST_true(WPACKET_init(&pkt, buf))
/*
* No previous lenbytes set so we should be ok to set the max
* possible max size
*/
|| !TEST_true(WPACKET_set_max_size(&pkt, SIZE_MAX))
/* We should be able to set it smaller too */
|| !TEST_true(WPACKET_set_max_size(&pkt, SIZE_MAX -1))
/* And setting it bigger again should be ok */
|| !TEST_true(WPACKET_set_max_size(&pkt, SIZE_MAX))
|| !TEST_true(WPACKET_finish(&pkt)))
return cleanup(&pkt);
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
/*
* Should fail because we already consumed 1 byte with the
* length
*/
|| !TEST_false(WPACKET_set_max_size(&pkt, 0))
/*
* Max size can't be bigger than biggest that will fit in
* lenbytes
*/
|| !TEST_false(WPACKET_set_max_size(&pkt, 0x0101))
/* It can be the same as the maximum possible size */
|| !TEST_true(WPACKET_set_max_size(&pkt, 0x0100))
/* Or it can be less */
|| !TEST_true(WPACKET_set_max_size(&pkt, 0x01))
/* Should fail because packet is already filled */
|| !TEST_false(WPACKET_put_bytes_u8(&pkt, 0xff))
/* You can't put in more bytes than max size */
|| !TEST_true(WPACKET_set_max_size(&pkt, 0x02))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_false(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple2, sizeof(simple2)))
return cleanup(&pkt);
return 1;
}
static int test_WPACKET_start_sub_packet(void)
{
WPACKET pkt;
size_t written;
size_t len;
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_start_sub_packet(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
/* Can't finish because we have a sub packet */
|| !TEST_false(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_close(&pkt))
/* Sub packet is closed so can't close again */
|| !TEST_false(WPACKET_close(&pkt))
/* Now a top level so finish should succeed */
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple1, sizeof(simple1)))
return cleanup(&pkt);
/* Single sub-packet with length prefix */
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple2, sizeof(simple2)))
return cleanup(&pkt);
/* Nested sub-packets with length prefixes */
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_get_length(&pkt, &len))
|| !TEST_size_t_eq(len, 1)
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_get_length(&pkt, &len))
|| !TEST_size_t_eq(len, 3)
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, nestedsub, sizeof(nestedsub)))
return cleanup(&pkt);
/* Sequential sub-packets with length prefixes */
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, seqsub, sizeof(seqsub)))
return cleanup(&pkt);
/* Nested sub-packets with lengths filled before finish */
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_get_length(&pkt, &len))
|| !TEST_size_t_eq(len, 1)
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_get_length(&pkt, &len))
|| !TEST_size_t_eq(len, 3)
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_fill_lengths(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, nestedsub, sizeof(nestedsub))
|| !TEST_true(WPACKET_finish(&pkt)))
return cleanup(&pkt);
return 1;
}
static int test_WPACKET_set_flags(void)
{
WPACKET pkt;
size_t written;
/* Set packet to be non-zero length */
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_set_flags(&pkt, WPACKET_FLAGS_NON_ZERO_LENGTH))
/* Should fail because of zero length */
|| !TEST_false(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple1, sizeof(simple1)))
return cleanup(&pkt);
/* Repeat above test in a sub-packet */
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_start_sub_packet(&pkt))
|| !TEST_true(WPACKET_set_flags(&pkt, WPACKET_FLAGS_NON_ZERO_LENGTH))
/* Should fail because of zero length */
|| !TEST_false(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple1, sizeof(simple1)))
return cleanup(&pkt);
/* Set packet to abandon non-zero length */
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
|| !TEST_true(WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_size_t_eq(written, 0))
return cleanup(&pkt);
/* Repeat above test but only abandon a sub-packet */
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH))
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, empty, sizeof(empty)))
return cleanup(&pkt);
/* And repeat with a non empty sub-packet */
if (!TEST_true(WPACKET_init(&pkt, buf))
|| !TEST_true(WPACKET_start_sub_packet_u8(&pkt))
|| !TEST_true(WPACKET_set_flags(&pkt, WPACKET_FLAGS_ABANDON_ON_ZERO_LENGTH))
|| !TEST_true(WPACKET_put_bytes_u8(&pkt, 0xff))
|| !TEST_true(WPACKET_close(&pkt))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, simple2, sizeof(simple2)))
return cleanup(&pkt);
return 1;
}
static int test_WPACKET_allocate_bytes(void)
{
WPACKET pkt;
size_t written;
unsigned char *bytes;
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
|| !TEST_true(WPACKET_allocate_bytes(&pkt, 2, &bytes)))
return cleanup(&pkt);
bytes[0] = 0xfe;
bytes[1] = 0xff;
if (!TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, alloc, sizeof(alloc)))
return cleanup(&pkt);
/* Repeat with WPACKET_sub_allocate_bytes */
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
|| !TEST_true(WPACKET_sub_allocate_bytes_u8(&pkt, 2, &bytes)))
return cleanup(&pkt);
bytes[0] = 0xfe;
bytes[1] = 0xff;
if (!TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, submem, sizeof(submem)))
return cleanup(&pkt);
return 1;
}
static int test_WPACKET_memcpy(void)
{
WPACKET pkt;
size_t written;
const unsigned char bytes[] = { 0xfe, 0xff };
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
|| !TEST_true(WPACKET_memcpy(&pkt, bytes, sizeof(bytes)))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, alloc, sizeof(alloc)))
return cleanup(&pkt);
/* Repeat with WPACKET_sub_memcpy() */
if (!TEST_true(WPACKET_init_len(&pkt, buf, 1))
|| !TEST_true(WPACKET_sub_memcpy_u8(&pkt, bytes, sizeof(bytes)))
|| !TEST_true(WPACKET_finish(&pkt))
|| !TEST_true(WPACKET_get_total_written(&pkt, &written))
|| !TEST_mem_eq(buf->data, written, submem, sizeof(submem)))
return cleanup(&pkt);
return 1;
}
int setup_tests(void)
{
if (!TEST_ptr(buf = BUF_MEM_new()))
return 0;
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);
return 1;
}
void cleanup_tests(void)
{
BUF_MEM_free(buf);
}
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