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NeoStats-NeoIRCd/modules/m_help.c

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/*
* NeoIRCd: NeoStats Group. Based on Hybird7
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* m_help.c: Provides help information to a user/operator.
*
* Copyright (C) 2002 by the past and present ircd coders, and others.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
* $Id: m_help.c,v 1.6 2003/03/13 08:49:24 fishwaldo Exp $
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*/
#include "stdinc.h"
#include "handlers.h"
#include "client.h"
#include "ircd.h"
#include "motd.h"
#include "ircd_handler.h"
#include "msg.h"
#include "numeric.h"
#include "send.h"
#include "s_conf.h"
#include "s_log.h"
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#include "parse.h"
#include "modules.h"
static void m_help(struct Client*, struct Client*, int, char**);
static void mo_help(struct Client*, struct Client*, int, char**);
static void mo_uhelp(struct Client*, struct Client*, int, char**);
static void dohelp(struct Client *, char *, char *, char *);
static void sendhelpfile(struct Client *, char *, char *, char *);
struct Message help_msgtab = {
"IRCDHELP", 0, 0, 0, 0, MFLG_SLOW, 0,
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{m_unregistered, m_help, m_ignore, mo_help}
};
struct Message uhelp_msgtab = {
"IRCDUHELP", 0, 0, 0, 0, MFLG_SLOW, 0,
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{m_unregistered, m_help, m_ignore, mo_uhelp}
};
#ifndef STATIC_MODULES
void
_modinit(void)
{
mod_add_cmd(&help_msgtab);
mod_add_cmd(&uhelp_msgtab);
}
void
_moddeinit(void)
{
mod_del_cmd(&help_msgtab);
mod_del_cmd(&uhelp_msgtab);
}
const char *_version = "$Revision: 1.6 $";
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#endif
/*
* m_help - HELP message handler
* parv[0] = sender prefix
*/
static void
m_help(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[])
{
static time_t last_used = 0;
if(ConfigFileEntry.use_help)
{
/* HELP is always local */
if ((last_used + ConfigFileEntry.pace_wait_simple) > CurrentTime)
{
/* safe enough to give this on a local connect only */
sendto_one(source_p,form_str(RPL_LOAD2HI),me.name,parv[0]);
return;
}
else
{
last_used = CurrentTime;
}
if(parc > 1)
dohelp(source_p, UHPATH, parv[1], parv[0]);
else
dohelp(source_p, UHPATH, NULL, parv[0]);
}
else
{
list_commands(source_p);
}
}
/*
* mo_help - HELP message handler
* parv[0] = sender prefix
*/
static void
mo_help(struct Client *client_p, struct Client *source_p,
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int parc, char *parv[])
{
if(parc > 1)
dohelp(source_p, HPATH, parv[1], parv[0]);
else
dohelp(source_p, HPATH, NULL, parv[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 void
mo_uhelp(struct Client *client_p, struct Client *source_p,
int parc, char *parv[])
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{
if(parc > 1)
dohelp(source_p, UHPATH, parv[1], parv[0]);
else
dohelp(source_p, UHPATH, NULL, parv[0]);
}
static void
dohelp(struct Client *source_p, char *hpath,
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char *topic, char *nick)
{
char path[MAXPATHLEN + 1];
struct stat sb;
int i;
if (topic != NULL)
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{
/* convert to lower case */
for (i = 0; topic[i] != '\0'; i++)
{
topic[i] = ToLower(topic[i]);
}
}
else
topic = "index"; /* list available help topics */
if (strchr(topic, '/'))
{
sendto_one(source_p, form_str(ERR_HELPNOTFOUND), me.name, nick, topic);
return;
}
if (strlen(hpath) + strlen(topic) + 1 > MAXPATHLEN)
{
sendto_one(source_p, form_str(ERR_HELPNOTFOUND), me.name, nick, topic);
return;
}
sprintf(path, "%s/%s", hpath, topic);
if (stat(path, &sb) < 0)
{
ilog(L_NOTICE, "help file %s not found", path);
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sendto_one(source_p, form_str(ERR_HELPNOTFOUND), me.name, nick, topic);
return;
}
if (!S_ISREG(sb.st_mode))
{
ilog(L_NOTICE, "help file %s not found", path);
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sendto_one(source_p, form_str(ERR_HELPNOTFOUND), me.name, nick, topic);
return;
}
sendhelpfile(source_p, path, topic, nick);
return;
}
static void
sendhelpfile(struct Client *source_p, char *path,
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char *topic, char *nick)
{
FBFILE *file;
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char line[HELPLEN];
if ((file = fbopen(path, "r")) == NULL)
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{
sendto_one(source_p, form_str(ERR_HELPNOTFOUND), me.name, nick, topic);
return;
}
if (fbgets(line, sizeof(line), file) == NULL)
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{
sendto_one(source_p, form_str(ERR_HELPNOTFOUND), me.name, nick, topic);
return;
}
sendto_one(source_p, form_str(RPL_HELPSTART), me.name, nick, topic, line);
while (fbgets(line, sizeof(line), file))
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{
sendto_one(source_p, form_str(RPL_HELPTXT), me.name, nick, topic, line);
}
fbclose(file);
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sendto_one(source_p, form_str(RPL_ENDOFHELP), me.name, nick, topic);
return;
}