mirror of
https://github.com/unrealircd/unrealircd.git
synced 2026-06-28 00:26:38 +02:00
Bram Matthys
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/*
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* UnrealIRCd, src/uid.c
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* Copyright (c) 2013 William Pitcock <nenolod@dereferenced.org>
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*
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* This program 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 1, or (at your option)
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* any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "struct.h"
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#include "common.h"
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#include "sys.h"
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#include "h.h"
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#include "config.h"
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#include "fdlist.h"
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#include "proto.h"
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void uid_init(void)
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{
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}
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char uid_int_to_char(int v)
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{
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if (v < 10)
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return '0'+v;
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else
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return 'A'+v-10;
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}
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const char *uid_get(void)
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{
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aClient *acptr;
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static char uid[IDLEN];
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static int uidcounter = 0;
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uidcounter++;
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if (uidcounter == 36*36)
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uidcounter = 0;
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do
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{
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snprintf(uid, sizeof(uid), "%s%c%c%c%c%c%c",
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me.id,
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uid_int_to_char(getrandom8() % 36),
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uid_int_to_char(getrandom8() % 36),
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uid_int_to_char(getrandom8() % 36),
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uid_int_to_char(getrandom8() % 36),
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uid_int_to_char(uidcounter / 36),
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uid_int_to_char(uidcounter % 36));
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acptr = find_client(uid, NULL);
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} while (acptr);
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return uid;
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}
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