solanum/modules/m_grant.c

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/*
* Copyright (C) 2006 Jilles Tjoelker
* Copyright (C) 2006 Stephen Bennett <spb@gentoo.org>
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* Copyright (C) 2016 Jason Volk <jason@zemos.net>
*
* 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 is present 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.
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*/
#include "stdinc.h"
#include "modules.h"
#include "numeric.h"
#include "client.h"
#include "ircd.h"
#include "send.h"
#include "s_user.h"
#include "s_serv.h"
#include "s_conf.h"
#include "s_newconf.h"
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#include "privilege.h"
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static
void set_mode(struct Client *const target,
const char *const str)
{
const char *mode[] =
{
target->name,
target->name,
str,
NULL
};
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user_mode(target, target, 3, mode);
}
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static
void set_privset(struct Client *const source,
struct Client *const target,
const char *const privset_name)
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{
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struct PrivilegeSet *const privset = privilegeset_get(privset_name);
if(!privset)
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{
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sendto_one_notice(source, ":There is no privilege set named '%s'.", privset_name);
return;
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}
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if(IsOper(target) && target->localClient->privset == privset)
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{
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sendto_one_notice(source, ":%s already has role of %s.", target->name, privset_name);
return;
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}
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if(IsOper(target))
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{
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sendto_one_notice(target, ":%s has changed your role to %s.", source->name, privset_name);
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has changed %s's role to %s.", get_oper_name(source), target->name, privset_name);
target->localClient->privset = privset;
return;
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}
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struct oper_conf oper =
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{
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.name = (char *)privset->name,
.privset = privset,
};
oper_up(target, &oper);
set_mode(target, "+o");
sendto_one_notice(target, ":%s has granted you the role of %s.", source->name, privset_name);
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has granted %s the role of %s.", get_oper_name(source), target->name, privset_name);
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}
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static
void grant_revoke(struct Client *const source,
struct Client *const target)
{
if(!IsOper(target))
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{
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sendto_one_notice(source, ":You can't deoper someone who isn't an oper.");
return;
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}
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set_mode(target, "-o");
sendto_one_notice(target, ":%s has deopered you.", source->name);
sendto_realops_snomask(SNO_GENERAL, L_NETWIDE, "%s has deopered %s.", get_oper_name(source), target->name);
}
static
void grant(struct MsgBuf *msgbuf, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
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if(MyClient(source_p) && !HasPrivilege(source_p, "oper:grant"))
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{
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sendto_one(source_p, form_str(ERR_NOPRIVS), me.name, source_p->name, "grant");
return;
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}
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if(parc < 3)
{
sendto_one_notice(source_p, ":usage GRANT: <target nickname> <privilegese name | 'revoke'>");
return;
}
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struct Client *const target_p = find_person(parv[1]);
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if(!target_p)
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{
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if(IsPerson(source_p))
sendto_one_numeric(source_p, ERR_NOSUCHNICK, form_str(ERR_NOSUCHNICK), parv[1]);
return;
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}
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if(!MyClient(source_p) && !find_shared_conf(source_p->username, source_p->host, source_p->servptr->name, SHARED_GRANT))
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{
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sendto_one_notice(source_p, ":GRANT failed: You have no shared configuration block on this server.");
return;
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}
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if(MyClient(target_p))
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{
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if(irccmp(parv[2], "revoke") == 0)
grant_revoke(source_p, target_p);
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else
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set_privset(source_p, target_p, parv[2]);
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}
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else if(MyClient(source_p))
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{
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sendto_one(target_p, ":%s ENCAP %s GRANT %s %s",
get_id(source_p, target_p),
target_p->servptr->name,
get_id(target_p, target_p),
parv[2]);
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}
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return;
}
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struct Message msgtab =
{
"GRANT", 0, 0, 0, 0,
{
mg_ignore,
mg_not_oper,
mg_ignore,
mg_ignore,
{ grant, 3 },
{ grant, 3 }
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}
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};
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mapi_clist_av1 grant_clist[] =
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{
&msgtab,
NULL
};
static const char grant_desc[] =
"Provides the grant facility for giving other users specific privilege sets";
DECLARE_MODULE_AV2
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(
grant,
NULL,
NULL,
grant_clist,
NULL,
NULL,
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NULL,
NULL,
grant_desc
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);