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/*
* atheme-services: A collection of minimalist IRC services
* uid.c: UID management.
*
* Copyright (c) 2005-2007 Atheme Project (http://www.atheme.org)
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include "atheme.h"
static char new_uid[9]; /* allow for \0 */
static unsigned int uindex = 0;
void init_uid(void)
{
unsigned int i;
char buf[BUFSIZE];
if (ircd->uses_p10)
{
me.numeric = sstrdup(uinttobase64(buf, (uint64_t) atoi(me.numeric), 2));
uindex = 5;
}
else
uindex = 9;
memset(new_uid, 0, sizeof(new_uid));
if (me.numeric != NULL)
memcpy(new_uid, me.numeric, strlen(me.numeric));
else
return;
for (i = 0; i < strlen(me.numeric); i++)
if (new_uid[i] == '\0')
new_uid[i] = 'A';
for (i = strlen(me.numeric); i < uindex; i++)
new_uid[i] = 'A';
}
static void add_one_to_uid(unsigned int i)
{
if (i != strlen(me.numeric)) /* Not reached server SID portion yet? */
{
if (new_uid[i] == 'Z')
new_uid[i] = '0';
else if (new_uid[i] == '9')
{
new_uid[i] = 'A';
add_one_to_uid(i - 1);
}
else
new_uid[i] = new_uid[i] + 1;
}
else
{
if (new_uid[i] == 'Z')
for (i = strlen(me.numeric); i < 9; i++)
new_uid[i] = 'A';
else
new_uid[i] = new_uid[i] + 1;
}
}
const char *uid_get(void)
{
add_one_to_uid(uindex - 1); /* index from 0 */
return (new_uid);
}
/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
* vim:ts=8
* vim:sw=8
* vim:noexpandtab
*/
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