forked from dolphin-emu/dolphin
74 lines
1.8 KiB
C++
74 lines
1.8 KiB
C++
// Copyright 2014 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <cctype>
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#include <cstring>
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#include <ctime>
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#include <random>
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#include "Common/Network.h"
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#include "Common/StringUtil.h"
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#include "Common/Timer.h"
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namespace Common
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{
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void GenerateMacAddress(const MACConsumer type, u8* mac)
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{
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memset(mac, 0, MAC_ADDRESS_SIZE);
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u8 const oui_bba[] = {0x00, 0x09, 0xbf};
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u8 const oui_ios[] = {0x00, 0x17, 0xab};
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switch (type)
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{
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case MACConsumer::BBA:
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memcpy(mac, oui_bba, 3);
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break;
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case MACConsumer::IOS:
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memcpy(mac, oui_ios, 3);
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break;
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}
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// Generate the 24-bit NIC-specific portion of the MAC address.
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std::default_random_engine generator(Common::Timer::GetTimeMs());
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std::uniform_int_distribution<int> distribution(0x00, 0xFF);
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mac[3] = static_cast<u8>(distribution(generator));
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mac[4] = static_cast<u8>(distribution(generator));
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mac[5] = static_cast<u8>(distribution(generator));
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}
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std::string MacAddressToString(const u8* mac)
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{
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return StringFromFormat("%02x:%02x:%02x:%02x:%02x:%02x", mac[0], mac[1], mac[2], mac[3], mac[4],
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mac[5]);
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}
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bool StringToMacAddress(const std::string& mac_string, u8* mac)
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{
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bool success = false;
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if (!mac_string.empty())
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{
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int x = 0;
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memset(mac, 0, MAC_ADDRESS_SIZE);
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for (size_t i = 0; i < mac_string.size() && x < (MAC_ADDRESS_SIZE * 2); ++i)
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{
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char c = tolower(mac_string.at(i));
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if (c >= '0' && c <= '9')
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{
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mac[x / 2] |= (c - '0') << ((x & 1) ? 0 : 4);
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++x;
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}
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else if (c >= 'a' && c <= 'f')
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{
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mac[x / 2] |= (c - 'a' + 10) << ((x & 1) ? 0 : 4);
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++x;
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}
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}
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success = x / 2 == MAC_ADDRESS_SIZE;
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}
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return success;
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}
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} // namespace Common
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