solanum-vs-hackint-and-char.../modules/m_privs.c

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/*
* m_privs.c: Shows effective operator privileges
*
* Copyright (C) 2008 Jilles Tjoelker
* Copyright (C) 2008 charybdis development team
*
* 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 "numeric.h"
#include "send.h"
#include "msg.h"
#include "parse.h"
#include "modules.h"
#include "s_conf.h"
#include "s_newconf.h"
#include "hash.h"
static const char privs_desc[] = "Provides the PRIVS command to inspect an operator's privileges";
static void m_privs(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static void me_privs(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
static void mo_privs(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[]);
struct Message privs_msgtab = {
"PRIVS", 0, 0, 0, 0,
{mg_unreg, {m_privs, 0}, mg_ignore, mg_ignore, {me_privs, 0}, {mo_privs, 0}}
};
mapi_clist_av1 privs_clist[] = {
&privs_msgtab,
NULL
};
/* XXX this is a copy, not so nice
*
* Sort of... it's int in newconf.c since oper confs don't need 64-bit wide flags.
* --Elizafox
*/
struct mode_table
{
const char *name;
uint64_t mode;
};
/* there is no such table like this anywhere else */
static struct mode_table auth_client_table[] = {
{"resv_exempt", FLAGS_EXEMPTRESV },
{"kline_exempt", FLAGS_EXEMPTKLINE },
{"flood_exempt", FLAGS_EXEMPTFLOOD },
{"spambot_exempt", FLAGS_EXEMPTSPAMBOT },
{"shide_exempt", FLAGS_EXEMPTSHIDE },
{"jupe_exempt", FLAGS_EXEMPTJUPE },
{"extend_chans", FLAGS_EXTENDCHANS },
{NULL, 0}
};
DECLARE_MODULE_AV2(privs, NULL, NULL, privs_clist, NULL, NULL, NULL, NULL, privs_desc);
static void show_privs(struct Client *source_p, struct Client *target_p)
{
struct mode_table *p;
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send_multiline_init(source_p, " ", form_str(RPL_PRIVS),
get_id(&me, source_p),
get_id(source_p, source_p),
target_p->name,
"* ");
send_multiline_remote_pad(source_p, &me);
send_multiline_remote_pad(source_p, source_p);
if (target_p->user->privset)
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for (const char *const *s = privilegeset_privs(target_p->user->privset); *s != NULL; s++)
send_multiline_item(source_p, "%s", *s);
if (IsOper(target_p))
{
if (target_p->user->opername)
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send_multiline_item(source_p, "operator:%s", target_p->user->opername);
if (target_p->user->privset)
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send_multiline_item(source_p, "privset:%s", target_p->user->privset->name);
}
p = &auth_client_table[0];
while (p->name != NULL)
{
if (target_p->flags & p->mode)
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send_multiline_item(source_p, "%s", p->name);
p++;
}
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send_multiline_fini(source_p, form_str(RPL_PRIVS),
get_id(&me, source_p),
get_id(source_p, source_p),
target_p->name,
"");
}
static void
me_privs(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
if (!IsOper(source_p) || parc < 2 || EmptyString(parv[1]))
return;
target_p = find_person(parv[1]);
if (target_p != NULL)
show_privs(source_p, target_p);
}
static void
mo_privs(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
struct Client *target_p;
struct Client *server_p;
if (parc < 2 || EmptyString(parv[1]))
{
server_p = target_p = source_p;
}
else
{
if (parc >= 3)
{
server_p = find_named_client(parv[1]);
target_p = find_named_person(parv[2]);
}
else
{
server_p = target_p = find_named_person(parv[1]);
}
if (server_p == NULL || target_p == NULL)
{
sendto_one_numeric(source_p, ERR_NOSUCHNICK,
form_str(ERR_NOSUCHNICK), parv[1]);
return;
}
}
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if (target_p != source_p && !HasPrivilege(source_p, "oper:privs"))
{
sendto_one(source_p, form_str(ERR_NOPRIVS),
me.name, source_p->name, "privs");
return;
}
if (!IsServer(server_p))
server_p = server_p->servptr;
if (IsMe(server_p))
show_privs(source_p, target_p);
else
sendto_one(server_p, ":%s ENCAP %s PRIVS %s",
get_id(source_p, server_p),
server_p->name,
use_id(target_p));
}
static void
m_privs(struct MsgBuf *msgbuf_p, struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
if (parc >= 2 && !EmptyString(parv[1]) &&
irccmp(parv[1], source_p->name)) {
sendto_one_numeric(source_p, ERR_NOPRIVILEGES,
form_str(ERR_NOPRIVILEGES));
return;
}
show_privs(source_p, source_p);
}