111 lines
3.8 KiB
C++
111 lines
3.8 KiB
C++
/*
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* Copyright (c) 2017-2018, 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 <stdio.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/pskc.hpp"
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/**
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* Constants.
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*/
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enum
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{
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kMaxNetworkName = 16,
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kMaxPassphrase = 255,
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kSizeExtPanId = 8,
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};
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void help(void)
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{
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printf("pskc - compute PSKc\n"
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"SYNTAX:\n"
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" pskc <PASSPHRASE> <EXTPANID> <NETWORK_NAME>\n"
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"EXAMPLE:\n"
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" pskc 654321 1122334455667788 OpenThread\n");
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}
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int printPSKc(const char *aPassphrase, const char *aExtPanId, const char *aNetworkName)
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{
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uint8_t extpanid[kSizeExtPanId];
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size_t length;
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int ret = -1;
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otbr::Psk::Pskc pskcComputer;
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const uint8_t * pskc;
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length = strlen(aPassphrase);
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VerifyOrExit(length > 0, printf("PASSPHRASE must not be empty.\n"));
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VerifyOrExit(length <= kMaxPassphrase,
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printf("PASSPHRASE Passphrase must be no more than %d bytes.\n", kMaxPassphrase));
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length = strlen(aExtPanId);
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VerifyOrExit(length == kSizeExtPanId * 2, printf("EXTPANID length must be %d bytes.\n", kSizeExtPanId));
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for (size_t i = 0; i < length; i++)
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{
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VerifyOrExit((aExtPanId[i] <= '9' && aExtPanId[i] >= '0') || (aExtPanId[i] <= 'f' && aExtPanId[i] >= 'a') ||
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(aExtPanId[i] <= 'F' && aExtPanId[i] >= 'A'),
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printf("EXTPANID must be encoded in hex.\n"));
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}
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otbr::Utils::Hex2Bytes(aExtPanId, extpanid, sizeof(extpanid));
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length = strlen(aNetworkName);
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VerifyOrExit(length > 0, printf("NETWORK_NAME must not be empty.\n"));
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VerifyOrExit(length <= kMaxNetworkName,
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printf("NETWOR_KNAME length must be no more than %d bytes.\n", kMaxNetworkName));
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pskc = pskcComputer.ComputePskc(extpanid, aNetworkName, aPassphrase);
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for (int i = 0; i < 16; i++)
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{
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printf("%02x", pskc[i]);
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}
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printf("\n");
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ret = 0;
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exit:
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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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int ret = 0;
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VerifyOrExit(argc == 4, help(), ret = EX_USAGE);
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ret = printPSKc(argv[1], argv[2], argv[3]);
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exit:
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return ret;
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}
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