mirror of
https://github.com/matrix-construct/construct
synced 2024-08-27 11:55:17 +02:00
130 lines
3.8 KiB
C++
130 lines
3.8 KiB
C++
/*
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* ircd-ratbox: A slightly useful ircd.
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* m_help.c: Provides help information to a user/operator.
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*
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* Copyright (C) 1990 Jarkko Oikarinen and University of Oulu, Co Center
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* Copyright (C) 1996-2002 Hybrid Development Team
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* Copyright (C) 2002-2005 ircd-ratbox development team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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using namespace ircd;
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static const char help_desc[] =
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"Provides the help facility for commands, modes, and server concepts";
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static void m_help(struct MsgBuf *, client::client &, client::client &, int, const char **);
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static void mo_help(struct MsgBuf *, client::client &, client::client &, int, const char **);
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static void mo_uhelp(struct MsgBuf *, client::client &, client::client &, int, const char **);
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static void dohelp(client::client &, int, const char *);
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struct Message help_msgtab = {
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"HELP", 0, 0, 0, 0,
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{mg_unreg, {m_help, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_help, 0}}
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};
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struct Message uhelp_msgtab = {
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"UHELP", 0, 0, 0, 0,
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{mg_unreg, {m_help, 0}, mg_ignore, mg_ignore, mg_ignore, {mo_uhelp, 0}}
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};
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mapi_clist_av1 help_clist[] = { &help_msgtab, &uhelp_msgtab, NULL };
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DECLARE_MODULE_AV2(help, NULL, NULL, help_clist, NULL, NULL, NULL, NULL, help_desc);
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/*
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* m_help - HELP message handler
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*/
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static void
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m_help(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
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{
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using namespace cache::help;
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dohelp(source, USER, parc > 1 ? parv[1] : NULL);
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}
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/*
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* mo_help - HELP message handler
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*/
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static void
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mo_help(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
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{
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using namespace cache::help;
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dohelp(source, OPER, parc > 1 ? parv[1] : NULL);
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}
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/*
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* mo_uhelp - HELP message handler
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* This is used so that opers can view the user help file without deopering
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*/
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static void
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mo_uhelp(struct MsgBuf *msgbuf_p, client::client &client, client::client &source, int parc, const char *parv[])
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{
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using namespace cache::help;
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dohelp(source, USER, parc > 1 ? parv[1] : NULL);
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}
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static void
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dohelp(client::client &source,
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int type,
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const char *topic)
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try
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{
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namespace help = cache::help;
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static const char *const ntopic("index");
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if (EmptyString(topic))
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topic = ntopic;
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std::shared_ptr<cache::file> file
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{
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type & help::OPER? help::oper.at(topic):
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type & help::USER? help::user.at(topic):
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nullptr
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};
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if (!file || !(flags(*file) & type))
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throw std::out_of_range(ntopic);
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auto it(begin(contents(*file)));
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if (it != end(contents(*file)))
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sendto_one(&source, form_str(RPL_HELPSTART),
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me.name,
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source.name,
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topic,
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it->c_str());
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for (++it; it != end(contents(*file)); ++it)
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sendto_one(&source, form_str(RPL_HELPTXT),
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me.name,
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source.name,
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topic,
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it->c_str());
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sendto_one(&source, form_str(RPL_ENDOFHELP),
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me.name,
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source.name,
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topic);
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}
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catch(const std::out_of_range &e)
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{
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sendto_one(&source, form_str(ERR_HELPNOTFOUND),
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me.name,
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source.name,
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topic?: e.what());
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}
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