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/* Copyright (C) 2013 Wildfire Games.
* This file is part of 0 A.D.
*
* 0 A.D. is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* 0 A.D. is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
*/
#include "precompiled.h"
#include "lib/sysdep/sysdep.h"
#include "ps/CStr.h"
CStr ps_generate_guid(void)
{
// TODO: Ideally this will be guaranteed unique (and verified
// cryptographically) since we'll rely on it to identify hosts
// and associate them with player controls (e.g. to support
// leaving/rejoining in-progress games), and we don't want
// a host to masquerade as someone else.
// For now, just try to pick a very random number.
CStr guid;
for (size_t i = 0; i < 2; ++i)
{
u32 r = 0;
sys_generate_random_bytes((u8*)&r, sizeof(r));
char buf[32];
sprintf_s(buf, ARRAY_SIZE(buf), "%08X", r);
guid += buf;
}
return guid;
}
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