115 lines
3.7 KiB
C++
115 lines
3.7 KiB
C++
/*
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* Copyright (c) 2018, The OpenThread Authors.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/**
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* @file
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* This file implements a simple tool to compute pskc.
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*/
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#include <mbedtls/sha256.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sysexits.h>
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#include "common/code_utils.hpp"
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#include "utils/hex.hpp"
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#include "utils/steering_data.hpp"
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void help(void)
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{
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printf("steering-data - compute steering data\n"
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"SYNTAX:\n"
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" steering-data [LENGTH] <JOINER_ID> ...\n"
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"EXAMPLE:\n"
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" steering-data 18b4300000000001\n"
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" steering-data 15 18b4300000000001\n"
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" steering-data 18b4300000000001 18b4300000000002\n");
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}
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int ComputeJoinerId(const char *aEui64, uint8_t *aJoinerId)
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{
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int ret = -1;
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VerifyOrExit(strlen(aEui64) == otbr::SteeringData::kSizeJoinerId * 2);
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VerifyOrExit(otbr::Utils::Hex2Bytes(aEui64, aJoinerId, otbr::SteeringData::kSizeJoinerId) ==
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otbr::SteeringData::kSizeJoinerId);
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otbr::SteeringData::ComputeJoinerId(aJoinerId, aJoinerId);
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ret = 0;
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exit:
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if (ret != 0)
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{
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fprintf(stderr, "Invalid EUI64: %s", aEui64);
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}
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return ret;
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}
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int main(int argc, char *argv[])
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{
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otbr::SteeringData computer;
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int ret = EX_USAGE;
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int length = 16;
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int i = 1;
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if (argc < 2)
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{
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ExitNow(help());
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}
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if (strlen(argv[i]) != otbr::SteeringData::kSizeJoinerId * 2)
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{
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length = atoi(argv[i]);
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VerifyOrExit(length > 0 && length <= otbr::SteeringData::kMaxSizeOfBloomFilter,
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fprintf(stderr, "Invalid bloom filter length: %d\n", length));
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++i;
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}
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computer.Init(static_cast<uint8_t>(length));
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for (; i < argc; ++i)
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{
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uint8_t joinerId[otbr::SteeringData::kSizeJoinerId];
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VerifyOrExit(ComputeJoinerId(argv[i], joinerId) == 0, fprintf(stderr, "Invalid EUI64 : %s\n", argv[i]));
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computer.ComputeBloomFilter(joinerId);
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}
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for (i = 0; i < length; i++)
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{
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printf("%02x", computer.GetBloomFilter()[i]);
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}
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printf("\n");
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ret = EX_OK;
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exit:
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return ret;
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}
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