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/*
* ircd-ratbox: A slightly useful ircd.
* m_help.c: Provides help information to a user/operator.
*
* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
* Copyright (C) 1996-2002 Hybrid Development Team
* Copyright (C) 2002-2005 ircd-ratbox development team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*
* $Id: m_help.c 26094 2008-09-19 15:33:46Z androsyn $
*/
#include "stdinc.h"
#include "struct.h"
#include "ircd.h"
#include "numeric.h"
#include "send.h"
#include "s_conf.h"
#include "parse.h"
#include "modules.h"
#include "hash.h"
#include "cache.h"
#include "match.h"
#include "client.h"
static int m_help(struct Client *, struct Client *, int, const char **);
static int mo_help(struct Client *, struct Client *, int, const char **);
static int mo_uhelp(struct Client *, struct Client *, int, const char **);
static void dohelp(struct Client *, int, const char *);
struct Message help_msgtab = {
"HELP", 0, 0, 0, MFLG_SLOW,
{mg_unreg, {m_help, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_help, 0}}
};
struct Message uhelp_msgtab = {
"UHELP", 0, 0, 0, MFLG_SLOW,
{mg_unreg, {m_help, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_uhelp, 0}}
};
mapi_clist_av1 help_clist[] = { &help_msgtab, &uhelp_msgtab, NULL };
DECLARE_MODULE_AV1(help, NULL, NULL, help_clist, NULL, NULL, "$Revision: 26094 $");
/*
* m_help - HELP message handler
* parv[0] = sender prefix
*/
static int
m_help(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
static time_t last_used = 0;
/* HELP is always local */
if((last_used + ConfigFileEntry.pace_wait_simple) > rb_current_time())
{
/* safe enough to give this on a local connect only */
sendto_one(source_p, form_str(RPL_LOAD2HI), me.name, source_p->name, "HELP");
sendto_one(source_p, form_str(RPL_ENDOFHELP),
me.name, source_p->name,
(parc > 1 && !EmptyString(parv[1])) ? parv[1] : "index");
return 0;
}
else
{
last_used = rb_current_time();
}
dohelp(source_p, HELP_USER, parc > 1 ? parv[1] : NULL);
return 0;
}
/*
* mo_help - HELP message handler
* parv[0] = sender prefix
*/
static int
mo_help(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
dohelp(source_p, HELP_OPER, parc > 1 ? parv[1] : NULL);
return 0;
}
/*
* mo_uhelp - HELP message handler
* This is used so that opers can view the user help file without deopering
* parv[0] = sender prefix
*/
static int
mo_uhelp(struct Client *client_p, struct Client *source_p, int parc, const char *parv[])
{
dohelp(source_p, HELP_USER, parc > 1 ? parv[1] : NULL);
return 0;
}
static void
dohelp(struct Client *source_p, int flags, const char *topic)
{
static const char ntopic[] = "index";
struct cachefile *hptr;
struct cacheline *lineptr;
rb_dlink_node *ptr;
rb_dlink_node *fptr;
if(EmptyString(topic))
topic = ntopic;
hptr = hash_find_help(topic, flags);
if(hptr == NULL)
{
sendto_one(source_p, form_str(ERR_HELPNOTFOUND), me.name, source_p->name, topic);
return;
}
fptr = hptr->contents.head;
lineptr = fptr->data;
SetCork(source_p);
/* first line cant be empty */
sendto_one(source_p, form_str(RPL_HELPSTART),
me.name, source_p->name, topic, lineptr->data);
RB_DLINK_FOREACH(ptr, fptr->next)
{
lineptr = ptr->data;
sendto_one(source_p, form_str(RPL_HELPTXT),
me.name, source_p->name, topic, lineptr->data);
}
ClearCork(source_p);
sendto_one(source_p, form_str(RPL_ENDOFHELP), me.name, source_p->name, topic);
return;
}
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