include: Add macros for bytearray handling
Signed-off-by: Andreas Schneider <asn@cryptomilk.org> Reviewed-by: Jakub Jelen <jjelen@redhat.com>
Этот коммит содержится в:
родитель
e210b61148
Коммит
85a274ff3c
90
include/libssh/bytearray.h
Обычный файл
90
include/libssh/bytearray.h
Обычный файл
@ -0,0 +1,90 @@
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/*
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* This file is part of the SSH Library
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*
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* Copyright (c) 2018 Andreas Schneider <asn@cryptomilk.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef _BYTEARRAY_H
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#define _BYTEARRAY_H
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#define _DATA_BYTE_CONST(data, pos) \
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((uint8_t)(((const uint8_t *)(data))[(pos)]))
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#define _DATA_BYTE(data, pos) \
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(((uint8_t *)(data))[(pos)])
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/*
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* These macros pull or push integer values from byte arrays stored in
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* little-endian byte order.
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*/
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#define PULL_LE_U8(data, pos) \
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(_DATA_BYTE_CONST(data, pos))
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#define PULL_LE_U16(data, pos) \
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((uint16_t)PULL_LE_U8(data, pos) | ((uint16_t)(PULL_LE_U8(data, (pos) + 1))) << 8)
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#define PULL_LE_U32(data, pos) \
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((uint32_t)(PULL_LE_U16(data, pos) | ((uint32_t)PULL_LE_U16(data, (pos) + 2)) << 16))
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#define PULL_LE_U64(data, pos) \
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((uint64_t)(PULL_LE_U32(data, pos) | ((uint64_t)PULL_LE_U32(data, (pos) + 4)) << 32))
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#define PUSH_LE_U8(data, pos, val) \
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(_DATA_BYTE(data, pos) = ((uint8_t)(val)))
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#define PUSH_LE_U16(data, pos, val) \
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(PUSH_LE_U8((data), (pos), (uint8_t)((uint16_t)(val) & 0xff)), PUSH_LE_U8((data), (pos) + 1, (uint8_t)((uint16_t)(val) >> 8)))
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#define PUSH_LE_U32(data, pos, val) \
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(PUSH_LE_U16((data), (pos), (uint16_t)((uint32_t)(val) & 0xffff)), PUSH_LE_U16((data), (pos) + 2, (uint16_t)((uint32_t)(val) >> 16)))
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#define PUSH_LE_U64(data, pos, val) \
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(PUSH_LE_U32((data), (pos), (uint32_t)((uint64_t)(val) & 0xffffffff)), PUSH_LE_U32((data), (pos) + 4, (uint32_t)((uint64_t)(val) >> 32)))
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/*
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* These macros pull or push integer values from byte arrays stored in
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* big-endian byte order (network byte order).
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*/
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#define PULL_BE_U8(data, pos) \
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(_DATA_BYTE_CONST(data, pos))
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#define PULL_BE_U16(data, pos) \
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((((uint16_t)(PULL_BE_U8(data, pos))) << 8) | (uint16_t)PULL_BE_U8(data, (pos) + 1))
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#define PULL_BE_U32(data, pos) \
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((((uint32_t)PULL_BE_U16(data, pos)) << 16) | (uint32_t)(PULL_BE_U16(data, (pos) + 2)))
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#define PULL_BE_U64(data, pos) \
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((((uint64_t)PULL_BE_U32(data, pos)) << 32) | (uint64_t)(PULL_BE_U32(data, (pos) + 4)))
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#define PUSH_BE_U8(data, pos, val) \
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(_DATA_BYTE(data, pos) = ((uint8_t)(val)))
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#define PUSH_BE_U16(data, pos, val) \
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(PUSH_BE_U8((data), (pos), (uint8_t)(((uint16_t)(val)) >> 8)), PUSH_BE_U8((data), (pos) + 1, (uint8_t)((val) & 0xff)))
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#define PUSH_BE_U32(data, pos, val) \
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(PUSH_BE_U16((data), (pos), (uint16_t)(((uint32_t)(val)) >> 16)), PUSH_BE_U16((data), (pos) + 2, (uint16_t)((val) & 0xffff)))
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#define PUSH_BE_U64(data, pos, val) \
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(PUSH_BE_U32((data), (pos), (uint32_t)(((uint64_t)(val)) >> 32)), PUSH_BE_U32((data), (pos) + 4, (uint32_t)((val) & 0xffffffff)))
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#endif /* _BYTEARRAY_H */
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@ -4,6 +4,7 @@ include_directories(${OPENSSL_INCLUDE_DIR})
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set(LIBSSH_UNIT_TESTS
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torture_buffer
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torture_bytearray
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torture_callbacks
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torture_crypto
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torture_init
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382
tests/unittests/torture_bytearray.c
Обычный файл
382
tests/unittests/torture_bytearray.c
Обычный файл
@ -0,0 +1,382 @@
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#include "config.h"
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#include <stdint.h>
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#include "torture.h"
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#include "libssh/bytearray.h"
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static void torture_pull_le_u8(void **state)
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{
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uint8_t data[2] = {0};
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uint8_t result;
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result = PULL_LE_U8(data, 0);
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assert_int_equal(result, 0);
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data[0] = 0x2a;
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result = PULL_LE_U8(data, 0);
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assert_int_equal(result, 42);
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data[0] = 0xf;
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result = PULL_LE_U8(data, 0);
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assert_int_equal(result, 0xf);
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data[0] = 0xff;
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result = PULL_LE_U8(data, 0);
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assert_int_equal(result, 0xff);
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data[1] = 0x2a;
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result = PULL_LE_U8(data, 1);
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assert_int_equal(result, 42);
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}
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static void torture_pull_le_u16(void **state)
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{
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uint8_t data[2] = {0, 0};
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uint16_t result;
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result = PULL_LE_U16(data, 0);
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assert_int_equal(result, 0);
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data[0] = 0x2a;
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data[1] = 0x00;
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result = PULL_LE_U16(data, 0);
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assert_int_equal(result, 42);
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data[0] = 0xff;
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data[1] = 0x00;
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result = PULL_LE_U16(data, 0);
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assert_int_equal(result, 0x00ff);
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data[0] = 0x00;
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data[1] = 0xff;
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result = PULL_LE_U16(data, 0);
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assert_int_equal(result, 0xff00);
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data[0] = 0xff;
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data[1] = 0xff;
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result = PULL_LE_U16(data, 0);
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assert_int_equal(result, 0xffff);
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}
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static void torture_pull_le_u32(void **state)
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{
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uint8_t data[4] = {0, 0, 0, 0};
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uint32_t result;
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 0);
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data[0] = 0x2a;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0x00;
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 42);
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data[0] = 0xff;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0x00;
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 0x00ff);
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data[0] = 0x00;
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data[1] = 0xff;
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data[2] = 0x00;
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data[3] = 0x00;
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 0xff00);
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data[0] = 0x00;
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data[1] = 0x00;
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data[2] = 0xff;
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data[3] = 0x00;
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 0xff0000);
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data[0] = 0x00;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0xff;
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 0xff000000);
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data[0] = 0xff;
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data[1] = 0xff;
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data[2] = 0xff;
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data[3] = 0xff;
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 0xffffffff);
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}
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static void torture_push_le_u8(void **state)
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{
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uint8_t data[4] = {0, 0, 0, 0};
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uint8_t data2[4] = {42, 42, 42, 42};
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PUSH_LE_U8(data, 0, 42);
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PUSH_LE_U8(data, 1, 42);
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PUSH_LE_U8(data, 2, 42);
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PUSH_LE_U8(data, 3, 42);
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assert_memory_equal(data, data2, sizeof(data));
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}
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static void torture_push_le_u16(void **state)
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{
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uint8_t data[4] = {0, 0, 0, 0};
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uint8_t data2[4] = {0xa6, 0x7f, 0x2a, 0x00};
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uint16_t result;
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PUSH_LE_U16(data, 0, 32678);
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PUSH_LE_U16(data, 2, 42);
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assert_memory_equal(data, data2, sizeof(data));
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result = PULL_LE_U16(data, 2);
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assert_int_equal(result, 42);
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result = PULL_LE_U16(data, 0);
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assert_int_equal(result, 32678);
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}
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static void torture_push_le_u32(void **state)
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{
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uint8_t data[8] = {0};
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uint8_t data2[8] = {0xa6, 0x7f, 0x00, 0x00, 0x2a, 0x00, 0x00, 0x00};
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uint32_t result;
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PUSH_LE_U32(data, 0, 32678);
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PUSH_LE_U32(data, 4, 42);
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assert_memory_equal(data, data2, sizeof(data));
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result = PULL_LE_U32(data, 4);
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assert_int_equal(result, 42);
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 32678);
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PUSH_LE_U32(data, 0, 0xfffefffe);
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result = PULL_LE_U32(data, 0);
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assert_int_equal(result, 0xfffefffe);
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}
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static void torture_push_le_u64(void **state)
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{
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uint8_t data[16] = {0};
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uint64_t result;
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PUSH_LE_U64(data, 0, 32678);
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result = PULL_LE_U64(data, 0);
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assert_int_equal(result, 32678);
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PUSH_LE_U64(data, 0, 0xfffefffefffefffeUL);
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result = PULL_LE_U64(data, 0);
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assert_int_equal(result, 0xfffefffefffefffeUL);
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}
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/****************** BIG ENDIAN ********************/
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static void torture_pull_be_u8(void **state)
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{
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uint8_t data[2] = {0};
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uint8_t result;
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result = PULL_BE_U8(data, 0);
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assert_int_equal(result, 0);
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data[0] = 0x2a;
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result = PULL_BE_U8(data, 0);
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assert_int_equal(result, 42);
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data[0] = 0xf;
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result = PULL_BE_U8(data, 0);
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assert_int_equal(result, 0xf);
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data[0] = 0xff;
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result = PULL_BE_U8(data, 0);
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assert_int_equal(result, 0xff);
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data[1] = 0x2a;
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result = PULL_BE_U8(data, 1);
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assert_int_equal(result, 42);
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}
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static void torture_pull_be_u16(void **state)
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{
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uint8_t data[2] = {0, 0};
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uint16_t result;
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result = PULL_BE_U16(data, 0);
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assert_int_equal(result, 0);
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data[0] = 0x00;
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data[1] = 0x2a;
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result = PULL_BE_U16(data, 0);
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assert_int_equal(result, 42);
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data[0] = 0x00;
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data[1] = 0xff;
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result = PULL_BE_U16(data, 0);
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assert_int_equal(result, 0x00ff);
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data[0] = 0xff;
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data[1] = 0x00;
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result = PULL_BE_U16(data, 0);
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assert_int_equal(result, 0xff00);
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data[0] = 0xff;
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data[1] = 0xff;
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result = PULL_BE_U16(data, 0);
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assert_int_equal(result, 0xffff);
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}
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static void torture_pull_be_u32(void **state)
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{
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uint8_t data[4] = {0, 0, 0, 0};
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uint32_t result;
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 0);
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data[0] = 0x00;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0x2a;
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 42);
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data[0] = 0x00;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0xff;
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 0x00ff);
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data[0] = 0x00;
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data[1] = 0x00;
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data[2] = 0xff;
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data[3] = 0x00;
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 0xff00);
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data[0] = 0x00;
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data[1] = 0xff;
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data[2] = 0x00;
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data[3] = 0x00;
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 0xff0000);
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data[0] = 0xff;
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data[1] = 0x00;
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data[2] = 0x00;
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data[3] = 0x00;
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 0xff000000);
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data[0] = 0xff;
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data[1] = 0xff;
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data[2] = 0xff;
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data[3] = 0xff;
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 0xffffffff);
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}
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static void torture_push_be_u8(void **state)
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{
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uint8_t data[4] = {0, 0, 0, 0};
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uint8_t data2[4] = {42, 42, 42, 42};
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PUSH_BE_U8(data, 0, 42);
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PUSH_BE_U8(data, 1, 42);
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PUSH_BE_U8(data, 2, 42);
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PUSH_BE_U8(data, 3, 42);
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assert_memory_equal(data, data2, sizeof(data));
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}
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static void torture_push_be_u16(void **state)
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{
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uint8_t data[4] = {0, 0, 0, 0};
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uint8_t data2[4] = {0x7f, 0xa6, 0x00, 0x2a};
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uint16_t result;
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PUSH_BE_U16(data, 0, 32678);
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PUSH_BE_U16(data, 2, 42);
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assert_memory_equal(data, data2, sizeof(data));
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result = PULL_BE_U16(data, 2);
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assert_int_equal(result, 42);
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result = PULL_BE_U16(data, 0);
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assert_int_equal(result, 32678);
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}
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static void torture_push_be_u32(void **state)
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{
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uint8_t data[8] = {0};
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uint8_t data2[8] = {0x00, 0x00, 0x7f, 0xa6, 0x00, 0x00, 0x00, 0x2a};
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uint32_t result;
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PUSH_BE_U32(data, 0, 32678);
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PUSH_BE_U32(data, 4, 42);
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assert_memory_equal(data, data2, sizeof(data));
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result = PULL_BE_U32(data, 4);
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assert_int_equal(result, 42);
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 32678);
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PUSH_BE_U32(data, 0, 0xfffefffe);
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result = PULL_BE_U32(data, 0);
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assert_int_equal(result, 0xfffefffe);
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}
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|
||||
static void torture_push_be_u64(void **state)
|
||||
{
|
||||
uint8_t data[16] = {0};
|
||||
uint64_t result;
|
||||
|
||||
PUSH_BE_U64(data, 0, 32678);
|
||||
|
||||
result = PULL_BE_U64(data, 0);
|
||||
assert_int_equal(result, 32678);
|
||||
|
||||
PUSH_LE_U64(data, 8, 0xfffefffe);
|
||||
|
||||
result = PULL_LE_U64(data, 8);
|
||||
assert_int_equal(result, 0xfffefffe);
|
||||
}
|
||||
|
||||
int torture_run_tests(void) {
|
||||
int rc;
|
||||
struct CMUnitTest tests[] = {
|
||||
cmocka_unit_test(torture_pull_le_u8),
|
||||
cmocka_unit_test(torture_pull_le_u16),
|
||||
cmocka_unit_test(torture_pull_le_u32),
|
||||
|
||||
cmocka_unit_test(torture_push_le_u8),
|
||||
cmocka_unit_test(torture_push_le_u16),
|
||||
cmocka_unit_test(torture_push_le_u32),
|
||||
cmocka_unit_test(torture_push_le_u64),
|
||||
|
||||
/* BIG ENDIAN */
|
||||
cmocka_unit_test(torture_pull_be_u8),
|
||||
cmocka_unit_test(torture_pull_be_u16),
|
||||
cmocka_unit_test(torture_pull_be_u32),
|
||||
|
||||
cmocka_unit_test(torture_push_be_u8),
|
||||
cmocka_unit_test(torture_push_be_u16),
|
||||
cmocka_unit_test(torture_push_be_u32),
|
||||
cmocka_unit_test(torture_push_be_u64),
|
||||
};
|
||||
|
||||
torture_filter_tests(tests);
|
||||
|
||||
rc = cmocka_run_group_tests(tests, NULL, NULL);
|
||||
|
||||
return rc;
|
||||
}
|
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