426 lines
12 KiB
C
426 lines
12 KiB
C
/*
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* m_flags.c: Implements comstud-style mode flags.
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*
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* Copyright 2002 by W. Campbell and the ircd-hybrid development team
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1.Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2.Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3.The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: m_flags.c,v 1.3 2002/09/17 11:03:21 fishwaldo Exp $
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*/
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/* List of ircd includes from ../include/ */
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#include "stdinc.h"
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#include "handlers.h"
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#include "client.h"
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#include "common.h" /* FALSE bleah */
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#include "ircd.h"
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#include "irc_string.h"
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#include "numeric.h"
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#include "fdlist.h"
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#include "s_bsd.h"
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#include "s_conf.h"
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#include "s_log.h"
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#include "s_serv.h"
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#include "send.h"
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#include "msg.h"
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#include "parse.h"
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#include "modules.h"
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#include "s_user.h" /* send_umode_out() */
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static void m_flags(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[]);
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static void mo_flags(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[]);
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static char *set_flags_to_string(struct Client *client_p);
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static char *unset_flags_to_string(struct Client *client_p);
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struct Message test_msgtab = {
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"FLAGS", 0, 0, 0, 0, MFLG_SLOW, 0,
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{m_unregistered, m_flags, m_ignore, mo_flags}
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};
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#ifndef STATIC_MODULES
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void
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_modinit(void)
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{
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mod_add_cmd(&test_msgtab);
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}
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void
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_moddeinit(void)
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{
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mod_del_cmd(&test_msgtab);
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}
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const char *_version = "$Revision: 1.3 $";
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#endif
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/* FLAGS requires it's own mini parser, since the last parameter in it can
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** contain a number of FLAGS. CS handles FLAGS mode1 mode2 OR
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** FLAGS :mode1 mode2, but not both mixed.
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**
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** The best way to match a flag to a mode is with a simple table
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*/
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struct FlagTable
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{
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char *name;
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int mode;
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int oper;
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};
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static struct FlagTable flag_table[] =
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{
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/* name mode it represents oper only? */
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{ "OPERWALLOPS", FLAGS_OPERWALL, 1 },
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{ "SERVERWALLOPS", FLAGS_WALLOP, 0 },
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{ "STATSNOTICES", FLAGS_SPY, 1 },
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{ "OPERKILLS", FLAGS_SKILL, 0 },
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{ "SERVERKILLS", FLAGS_SKILL, 0 },
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{ "SERVERNOTICES", FLAGS_SERVNOTICE, 0 },
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{ "CLIENTCONNECTS", FLAGS_CCONN, 1 },
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{ "CLIIENTDISCONNECTS", FLAGS_CCONN, 1 },
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{ "THROTTLES", FLAGS_REJ, 1 },
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{ "IPMISMATCHES", FLAGS_UNAUTH, 1 },
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{ "LOCOPS", FLAGS_LOCOPS, 1 },
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{ "CONNECTS", FLAGS_EXTERNAL, 1 },
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{ "SQUITS", FLAGS_EXTERNAL, 1 },
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{ "FULL", FLAGS_FULL, 1 },
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{ "INVISIBLE", FLAGS_INVISIBLE, 0 },
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{ "BOTS", FLAGS_BOTS, 1 },
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{ "CALLERID", FLAGS_CALLERID, 0 },
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{ "UNAUTH", FLAGS_UNAUTH, 1 },
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{ "DEBUG", FLAGS_DEBUG, 1 },
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{ "REGNICK", FLAGS_REGNICK, 0 },
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{ "SERVICES", FLAGS_SERVICES, 1 },
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{ "VHOST", FLAGS_HIDDEN, 0 },
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{ NULL, 0, 0 }
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};
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/* We won't control CALLERID or INVISIBLE in here */
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#define FL_ALL_USER_FLAGS (FLAGS_WALLOP | FLAGS_SKILL | FLAGS_SERVNOTICE | FLAGS_HIDDEN)
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/* and we don't control NCHANGES here either */
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#define FL_ALL_OPER_FLAGS (FL_ALL_USER_FLAGS | FLAGS_CCONN | FLAGS_REJ |\
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FLAGS_FULL | FLAGS_SPY | FLAGS_DEBUG |\
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FLAGS_OPERWALL | FLAGS_BOTS | FLAGS_EXTERNAL |\
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FLAGS_UNAUTH | FLAGS_LOCOPS)
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/*
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** m_flags
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** parv[0] = sender prefix
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** parv[1] = parameter
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*/
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static void m_flags(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[])
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{
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int i,j;
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int isadd;
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int setflags;
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int isgood;
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char *p;
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char *flag;
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if (parc < 2)
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{
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/* Generate a list of what flags you have and what you are missing,
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** and send it to the user
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*/
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sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
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me.name, parv[0], set_flags_to_string(source_p));
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sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
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me.name, parv[0], unset_flags_to_string(source_p));
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return;
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}
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/* Preserve the current flags */
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setflags = source_p->umodes;
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/* XXX - change this to support a multiple last parameter like ISON */
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for (i = 1; i < parc; i++)
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{
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for (flag = strtoken(&p, parv[i], " "); flag;
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flag = strtoken(&p, NULL, " "))
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{
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/* We default to being in ADD mode */
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isadd = 1;
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/* We default to being in BAD mode */
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isgood = 0;
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if (!isalpha(flag[0]))
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{
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if (flag[0] == '-')
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isadd = 0;
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else if (flag[0] == '+')
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isadd = 1;
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flag++;
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}
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/* support ALL here */
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if (!irccmp(flag, "ALL"))
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{
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if (isadd)
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source_p->umodes |= FL_ALL_USER_FLAGS;
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else
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source_p->umodes &= ~FL_ALL_USER_FLAGS;
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sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
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me.name, parv[0], set_flags_to_string(source_p));
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sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
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me.name, parv[0], unset_flags_to_string(source_p));
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send_umode_out(client_p, source_p, setflags);
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return;
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}
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for (j = 0; flag_table[j].name; j++)
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{
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if (!flag_table[j].oper && !irccmp(flag, flag_table[j].name))
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{
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if (isadd)
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source_p->umodes |= flag_table[j].mode;
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else
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source_p->umodes &= ~ (flag_table[j].mode);
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isgood = 1;
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continue;
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}
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}
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/* This for ended without matching a valid FLAG, here is where
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** I want to operate differently than ircd-comstud, and just ignore
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** the invalid flag, send a warning and go on.
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*/
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if (!isgood)
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sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
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me.name, parv[0], flag);
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}
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}
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/* All done setting the flags, print the notices out to the user
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** telling what flags they have and what flags they are missing
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*/
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sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
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me.name, parv[0], set_flags_to_string(source_p));
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sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
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me.name, parv[0], unset_flags_to_string(source_p));
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send_umode_out(client_p, source_p, setflags);
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}
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/*
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** mo_flags
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** parv[0] = sender prefix
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** parv[1] = parameter
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*/
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static void mo_flags(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[])
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{
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int i,j;
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int isadd;
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int setflags;
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int isgood;
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char *p;
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char *flag;
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if (parc < 2)
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{
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/* Generate a list of what flags you have and what you are missing,
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** and send it to the user
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*/
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sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
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me.name, parv[0], set_flags_to_string(source_p));
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sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
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me.name, parv[0], unset_flags_to_string(source_p));
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return;
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}
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/* Preserve the current flags */
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setflags = source_p->umodes;
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/* XXX - change this to support a multiple last parameter like ISON */
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for (i = 1; i < parc; i++)
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{
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for (flag = strtoken(&p, parv[i], " "); flag;
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flag = strtoken(&p, NULL, " "))
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{
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/* We default to being in ADD mode */
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isadd = 1;
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/* We default to being in BAD mode */
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isgood = 0;
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if (!isalpha(flag[0]))
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{
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if (flag[0] == '-')
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isadd = 0;
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else if (flag[0] == '+')
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isadd = 1;
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flag++;
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}
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/* support ALL here */
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if (!irccmp(flag, "ALL"))
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{
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if (isadd)
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source_p->umodes |= FL_ALL_OPER_FLAGS;
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else
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source_p->umodes &= ~FL_ALL_OPER_FLAGS;
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sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
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me.name, parv[0], set_flags_to_string(source_p));
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sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
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me.name, parv[0], unset_flags_to_string(source_p));
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send_umode_out(client_p, source_p, setflags);
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return;
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}
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if (!irccmp(flag, "NICKCHANGES"))
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{
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if (!IsOperN(source_p))
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{
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sendto_one(source_p,
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":%s NOTICE %s :*** You need oper and N flag for +n",
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me.name,parv[0]);
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continue;
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}
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if (isadd)
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source_p->umodes |= FLAGS_NCHANGE;
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else
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source_p->umodes &= ~FLAGS_NCHANGE;
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isgood = 1;
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continue;
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}
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for (j = 0; flag_table[j].name; j++)
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{
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if (!irccmp(flag, flag_table[j].name))
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{
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if (isadd)
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source_p->umodes |= flag_table[j].mode;
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else
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source_p->umodes &= ~ (flag_table[j].mode);
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isgood = 1;
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continue;
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}
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}
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/* This for ended without matching a valid FLAG, here is where
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** I want to operate differently than ircd-comstud, and just ignore
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** the invalid flag, send a warning and go on.
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*/
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if (!isgood)
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sendto_one(source_p, ":%s NOTICE %s :Invalid FLAGS: %s (IGNORING)",
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me.name, parv[0], flag);
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}
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}
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/* All done setting the flags, print the notices out to the user
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** telling what flags they have and what flags they are missing
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*/
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sendto_one(source_p, ":%s NOTICE %s :Current flags:%s",
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me.name, parv[0], set_flags_to_string(source_p));
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sendto_one(source_p, ":%s NOTICE %s :Current missing flags:%s",
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me.name, parv[0], unset_flags_to_string(source_p));
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send_umode_out(client_p, source_p, setflags);
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}
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static char *set_flags_to_string(struct Client *client_p)
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{
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/* XXX - list all flags that we have set on the client */
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static char setflags[BUFSIZE + 1];
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int i;
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/* Clear it to begin with, we'll be doing a lot of ircsprintf's */
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setflags[0] = '\0';
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/* Unlike unset_flags_to_string(), we don't have to care about oper
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** flags and not showing them
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*/
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for (i = 0; flag_table[i].name; i++)
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{
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if (client_p->umodes & flag_table[i].mode)
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{
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ircsprintf(setflags, "%s %s", setflags, flag_table[i].name);
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}
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}
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#if 0
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if (IsOper(client_p) && IsOperN(client_p))
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{
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#endif
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/* You can only be set +NICKCHANGES if you are an oper and
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** IsOperN(client_p) is true
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*/
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if (client_p->umodes & FLAGS_NCHANGE)
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{
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ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
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}
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#if 0
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}
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#endif
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return setflags;
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}
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static char *unset_flags_to_string(struct Client *client_p)
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{
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/* Inverse of above */
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/* XXX - list all flags that we do NOT have set on the client */
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static char setflags[BUFSIZE + 1];
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int i,isoper;
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/* Clear it to begin with, we'll be doing a lot of ircsprintf's */
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setflags[0] = '\0';
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if (IsOper(client_p))
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isoper = 1;
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else
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isoper = 0;
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for (i = 0; flag_table[i].name; i++)
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{
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if ( !(client_p->umodes & flag_table[i].mode))
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{
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if (!isoper && flag_table[i].oper)
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continue;
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ircsprintf(setflags, "%s %s", setflags, flag_table[i].name);
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}
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}
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if (IsOper(client_p) && IsOperN(client_p))
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{
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if ( !(client_p->umodes & FLAGS_NCHANGE))
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{
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ircsprintf(setflags, "%s %s", setflags, "NICKCHANGES");
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}
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}
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return setflags;
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}
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