vladislavbelov
ffc4a56b9f
Fixes #6846 Differential Revision: https://code.wildfiregames.com/D5185 This was SVN commit r27965.
42 lines
1.3 KiB
C++
42 lines
1.3 KiB
C++
/* Copyright (C) 2013 Wildfire Games.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "precompiled.h"
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#include "lib/sysdep/sysdep.h"
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#include "ps/CStr.h"
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CStr ps_generate_guid(void)
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{
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// TODO: Ideally this will be guaranteed unique (and verified
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// cryptographically) since we'll rely on it to identify hosts
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// and associate them with player controls (e.g. to support
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// leaving/rejoining in-progress games), and we don't want
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// a host to masquerade as someone else.
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// For now, just try to pick a very random number.
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CStr guid;
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for (size_t i = 0; i < 2; ++i)
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{
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u32 r = 0;
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sys_generate_random_bytes((u8*)&r, sizeof(r));
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char buf[32];
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sprintf_s(buf, ARRAY_SIZE(buf), "%08X", r);
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guid += buf;
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}
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return guid;
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}
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