197 lines
6.2 KiB
C
197 lines
6.2 KiB
C
/*
|
|
* charybdis: An advanced ircd.
|
|
* snomask.c: Management for user server-notice masks.
|
|
*
|
|
* Copyright (c) 2006 William Pitcock <nenolod@nenolod.net>
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are
|
|
* met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice,
|
|
* this list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* 3. The name of the author may not be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
* 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 "stdinc.h"
|
|
#include "client.h"
|
|
#include "snomask.h"
|
|
|
|
/* *INDENT-OFF* */
|
|
int snomask_modes[256] = {
|
|
/* 0x00 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x0F */
|
|
/* 0x10 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x1F */
|
|
/* 0x20 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x2F */
|
|
/* 0x30 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x3F */
|
|
0, /* @ */
|
|
0, /* A */
|
|
0, /* B */
|
|
SNO_CCONNEXT, /* C */
|
|
0, /* D */
|
|
0, /* E */
|
|
0, /* F */
|
|
0, /* G */
|
|
0, /* H */
|
|
0, /* I */
|
|
0, /* J */
|
|
0, /* K */
|
|
0, /* L */
|
|
0, /* M */
|
|
0, /* N */
|
|
0, /* O */
|
|
0, /* P */
|
|
0, /* Q */
|
|
0, /* R */
|
|
0, /* S */
|
|
0, /* T */
|
|
0, /* U */
|
|
0, /* V */
|
|
0, /* W */
|
|
0, /* X */
|
|
0, /* Y */
|
|
SNO_OPERSPY, /* Z */
|
|
/* 0x5B */ 0, 0, 0, 0, 0, 0, /* 0x60 */
|
|
0, /* a */
|
|
SNO_BOTS, /* b */
|
|
SNO_CCONN, /* c */
|
|
SNO_DEBUG, /* d */
|
|
0, /* e */
|
|
SNO_FULL, /* f */
|
|
0, /* g */
|
|
0, /* h */
|
|
0, /* i */
|
|
0, /* j */
|
|
SNO_SKILL, /* k */
|
|
0, /* l */
|
|
0, /* m */
|
|
SNO_NCHANGE, /* n */
|
|
0, /* o */
|
|
0, /* p */
|
|
0, /* q */
|
|
SNO_REJ, /* r */
|
|
SNO_GENERAL, /* s */
|
|
0, /* t */
|
|
SNO_UNAUTH, /* u */
|
|
0, /* v */
|
|
0, /* w */
|
|
SNO_EXTERNAL, /* x */
|
|
SNO_SPY, /* y */
|
|
0, /* z */
|
|
/* 0x7B */ 0, 0, 0, 0, 0, /* 0x7F */
|
|
/* 0x80 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x9F */
|
|
/* 0x90 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0x9F */
|
|
/* 0xA0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xAF */
|
|
/* 0xB0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xBF */
|
|
/* 0xC0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xCF */
|
|
/* 0xD0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xDF */
|
|
/* 0xE0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 0xEF */
|
|
/* 0xF0 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* 0xFF */
|
|
};
|
|
/* *INDENT-ON* */
|
|
|
|
static char snobuf[BUFSIZE];
|
|
|
|
/*
|
|
* construct_snobuf
|
|
*
|
|
* inputs - client to generate snomask string for
|
|
* outputs - snomask string of client
|
|
* side effects - NONE
|
|
*/
|
|
char *
|
|
construct_snobuf(unsigned int val)
|
|
{
|
|
int i;
|
|
char *ptr = snobuf;
|
|
|
|
*ptr = '\0';
|
|
*ptr++ = '+';
|
|
|
|
for (i = 0; i < 128; i++)
|
|
if (snomask_modes[i] && (val & snomask_modes[i]))
|
|
*ptr++ = (char) i;
|
|
|
|
*ptr++ = '\0';
|
|
|
|
return snobuf;
|
|
}
|
|
|
|
/*
|
|
* parse_snobuf_to_mask
|
|
*
|
|
* inputs - value to alter bitmask for, snomask itself
|
|
* outputs - replacement bitmask to set
|
|
* side effects - NONE
|
|
*/
|
|
unsigned int
|
|
parse_snobuf_to_mask(unsigned int val, const char *sno)
|
|
{
|
|
const char *p;
|
|
int what = SNO_ADD;
|
|
|
|
if (sno == NULL)
|
|
return val;
|
|
|
|
for (p = sno; *p != '\0'; p++)
|
|
{
|
|
switch(*p)
|
|
{
|
|
case '+':
|
|
what = SNO_ADD;
|
|
break;
|
|
case '-':
|
|
what = SNO_DEL;
|
|
break;
|
|
default:
|
|
if (what == SNO_ADD)
|
|
val |= snomask_modes[(unsigned char) *p];
|
|
else if (what == SNO_DEL)
|
|
val &= ~snomask_modes[(unsigned char) *p];
|
|
|
|
break;
|
|
}
|
|
}
|
|
|
|
return val;
|
|
}
|
|
|
|
/*
|
|
* find_snomask_slot
|
|
*
|
|
* inputs - NONE
|
|
* outputs - an available umode bitmask or
|
|
* 0 if no umodes are available
|
|
* side effects - NONE
|
|
*/
|
|
unsigned int
|
|
find_snomask_slot(void)
|
|
{
|
|
unsigned int all_umodes = 0, my_umode = 0, i;
|
|
|
|
for (i = 0; i < 128; i++)
|
|
all_umodes |= snomask_modes[i];
|
|
|
|
for (my_umode = 1; my_umode && (all_umodes & my_umode);
|
|
my_umode <<= 1);
|
|
|
|
return my_umode;
|
|
}
|
|
|