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[READ-ONLY] Mirror of https://github.com/VibeDevelopers/Comet.
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198/* * Comet: a slightly advanced ircd * snomask.c: Management for user server-notice masks. * * Copyright (c) 2006 Ariadne Conill <ariadne@dereferenced.org> * * 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 */ SNO_BANNED, /* 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 intparse_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 intfind_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;}