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/*
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include "s2n_test.h"
#include "stuffer/s2n_stuffer.h"
#include "testlib/s2n_testlib.h"
#include "utils/s2n_random.h"
int main(int argc, char **argv)
{
uint8_t pad[100];
struct s2n_blob b = { 0 };
EXPECT_SUCCESS(s2n_blob_init(&b, pad, sizeof(pad)));
struct s2n_stuffer stuffer = { 0 };
uint8_t u8;
uint16_t u16;
uint32_t u32;
uint64_t u64;
BEGIN_TEST();
EXPECT_SUCCESS(s2n_disable_tls13_in_test());
/* Create a 100 byte stuffer */
EXPECT_SUCCESS(s2n_stuffer_init(&stuffer, &b));
/* Try to write 51 1-byte ints bytes */
for (uint8_t i = 0; i < 50; i++) {
uint8_t value = i * (0xff / 50);
EXPECT_SUCCESS(s2n_stuffer_write_uint8_hex(&stuffer, value));
}
EXPECT_FAILURE(s2n_stuffer_write_uint8_hex(&stuffer, 1));
/* Read those back, and expect the same results */
for (int8_t i = 0; i < 50; i++) {
uint8_t value = i * (0xff / 50);
EXPECT_SUCCESS(s2n_stuffer_read_uint8_hex(&stuffer, &u8));
EXPECT_EQUAL(u8, value);
}
EXPECT_FAILURE(s2n_stuffer_read_uint8_hex(&stuffer, &u8));
/* Try to write 26 2-byte ints bytes */
EXPECT_SUCCESS(s2n_stuffer_wipe(&stuffer));
for (uint16_t i = 0; i < 25; i++) {
uint16_t value = i * (0xffff / 25);
EXPECT_SUCCESS(s2n_stuffer_write_uint16_hex(&stuffer, value));
}
EXPECT_FAILURE(s2n_stuffer_write_uint16_hex(&stuffer, 1));
/* Read those back, and expect the same results */
for (uint16_t i = 0; i < 25; i++) {
uint16_t value = i * (0xffff / 25);
EXPECT_SUCCESS(s2n_stuffer_read_uint16_hex(&stuffer, &u16));
EXPECT_EQUAL(value, u16);
}
EXPECT_FAILURE(s2n_stuffer_read_uint16_hex(&stuffer, &u16));
/* Try to write 13 4-byte ints bytes */
EXPECT_SUCCESS(s2n_stuffer_wipe(&stuffer));
EXPECT_SUCCESS(s2n_stuffer_init(&stuffer, &b));
for (uint32_t i = 0; i < 12; i++) {
uint32_t value = i * (0xffffffff / 12);
EXPECT_SUCCESS(s2n_stuffer_write_uint32_hex(&stuffer, value));
}
EXPECT_FAILURE(s2n_stuffer_write_uint32_hex(&stuffer, 1));
/* Read those back, and expect the same results */
for (uint32_t i = 0; i < 12; i++) {
uint32_t value = i * (0xffffffff / 12);
EXPECT_SUCCESS(s2n_stuffer_read_uint32_hex(&stuffer, &u32));
EXPECT_EQUAL(value, u32);
}
EXPECT_FAILURE(s2n_stuffer_read_uint32_hex(&stuffer, &u32));
/* Try to write 7 8-byte ints bytes */
EXPECT_SUCCESS(s2n_stuffer_wipe(&stuffer));
for (uint64_t i = 0; i < 6; i++) {
uint64_t value = i * (0xffffffffffffffff / 6);
EXPECT_SUCCESS(s2n_stuffer_write_uint64_hex(&stuffer, value));
}
EXPECT_FAILURE(s2n_stuffer_write_uint64_hex(&stuffer, 1));
/* Read those back, and expect the same results */
for (uint64_t i = 0; i < 6; i++) {
uint64_t value = i * (0xffffffffffffffff / 6);
EXPECT_SUCCESS(s2n_stuffer_read_uint64_hex(&stuffer, &u64));
EXPECT_EQUAL(value, u64);
}
EXPECT_FAILURE(s2n_stuffer_read_uint64_hex(&stuffer, &u64));
EXPECT_SUCCESS(s2n_stuffer_wipe(&stuffer));
uint8_t hex[] = "f0F0Zz";
struct s2n_blob text = { 0 };
EXPECT_SUCCESS(s2n_blob_init(&text, hex, strlen((char *) hex)));
EXPECT_SUCCESS(s2n_stuffer_write(&stuffer, &text));
EXPECT_SUCCESS(s2n_stuffer_read_uint8_hex(&stuffer, &u8));
EXPECT_EQUAL(u8, 240);
EXPECT_SUCCESS(s2n_stuffer_read_uint8_hex(&stuffer, &u8));
EXPECT_EQUAL(u8, 240);
EXPECT_FAILURE(s2n_stuffer_read_uint8_hex(&stuffer, &u8));
END_TEST();
}
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