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/* Routines for looking up commands in a *Serv command list.
*
* (C) 2003-2010 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*/
#include "services.h"
#include "modules.h"
#include "language.h"
#include "hashcomp.h"
Command *FindCommand(BotInfo *bi, const Anope::string &name)
{
if (!bi || bi->Commands.empty() || name.empty())
return NULL;
CommandMap::iterator it = bi->Commands.find(name);
if (it != bi->Commands.end())
return it->second;
return NULL;
}
void mod_run_cmd(BotInfo *bi, User *u, const Anope::string &message)
{
spacesepstream sep(message);
Anope::string cmd;
if (sep.GetToken(cmd))
mod_run_cmd(bi, u, FindCommand(bi, cmd), cmd, sep.GetRemaining());
}
void mod_run_cmd(BotInfo *bi, User *u, Command *c, const Anope::string &command, const Anope::string &message)
{
if (!bi || !u)
return;
CommandReturn ret = MOD_CONT;
EventReturn MOD_RESULT;
FOREACH_RESULT(I_OnPreCommandRun, OnPreCommandRun(u, bi, command, message, c));
if (MOD_RESULT == EVENT_STOP)
return;
if (!c)
{
notice_lang(bi->nick, u, UNKNOWN_COMMAND_HELP, command.c_str(), bi->nick.c_str());
return;
}
// Command requires registered users only
if (!c->HasFlag(CFLAG_ALLOW_UNREGISTERED) && !u->IsIdentified())
{
notice_lang(bi->nick, u, NICK_IDENTIFY_REQUIRED, Config.s_NickServ.c_str());
Alog() << "Access denied for unregistered user " << u->nick << " with service " << bi->nick << " and command " << command;
return;
}
std::vector<Anope::string> params;
Anope::string curparam, endparam;
spacesepstream sep(message);
while (sep.GetToken(curparam))
{
// - 1 because params[0] corresponds with a maxparam of 1.
if (params.size() >= c->MaxParams - 1)
endparam += curparam + " ";
else
params.push_back(curparam);
}
if (!endparam.empty())
{
// Remove trailing space
endparam.erase(endparam.length() - 1);
// Add it
params.push_back(endparam);
}
if (params.size() < c->MinParams)
{
c->OnSyntaxError(u, !params.empty() ? params[params.size() - 1] : "");
return;
}
FOREACH_RESULT(I_OnPreCommand, OnPreCommand(u, c->service, c->name, params));
if (MOD_RESULT == EVENT_STOP)
return;
if (params.size() > 0 && !c->HasFlag(CFLAG_STRIP_CHANNEL) && (bi == ChanServ || bi == BotServ))
{
if (ircdproto->IsChannelValid(params[0]))
{
ChannelInfo *ci = cs_findchan(params[0]);
if (ci)
{
if (ci->HasFlag(CI_FORBIDDEN) && !c->HasFlag(CFLAG_ALLOW_FORBIDDEN))
{
notice_lang(bi->nick, u, CHAN_X_FORBIDDEN, ci->name.c_str());
Alog() << "Access denied for user " << u->nick << " with service " << bi->nick << " and command " << command << " because of FORBIDDEN channel " << ci->name;
return;
}
else if (ci->HasFlag(CI_SUSPENDED) && !c->HasFlag(CFLAG_ALLOW_SUSPENDED))
{
notice_lang(bi->nick, u, CHAN_X_FORBIDDEN, ci->name.c_str());
Alog() << "Access denied for user " << u->nick << " with service " << bi->nick <<" and command " << command << " because of SUSPENDED channel " << ci->name;
return;
}
}
else if (!c->HasFlag(CFLAG_ALLOW_UNREGISTEREDCHANNEL))
{
notice_lang(bi->nick, u, CHAN_X_NOT_REGISTERED, params[0].c_str());
return;
}
}
/* A user not giving a channel name for a param that should be a channel */
else
{
notice_lang(bi->nick, u, CHAN_X_INVALID, params[0].c_str());
return;
}
}
// If the command requires a permission, and they aren't registered or don't have the required perm, DENIED
if (!c->permission.empty() && !u->Account()->HasCommand(c->permission))
{
notice_lang(bi->nick, u, ACCESS_DENIED);
Alog() << "Access denied for user " << u->nick << " with service " << bi->nick << " and command " << command;
return;
}
ret = c->Execute(u, params);
if (ret == MOD_CONT)
{
FOREACH_MOD(I_OnPostCommand, OnPostCommand(u, c->service, c->name, params));
}
}
/**
* Prints the help message for a given command.
* @param services Services Client
* @param u User Struct
* @param Command Hash Table
* @param cmd Command
* @return void
*/
void mod_help_cmd(BotInfo *bi, User *u, const Anope::string &cmd)
{
if (!bi || !u || cmd.empty())
return;
spacesepstream tokens(cmd);
Anope::string token;
tokens.GetToken(token);
Command *c = FindCommand(bi, token);
Anope::string subcommand = tokens.StreamEnd() ? "" : tokens.GetRemaining();
if (!c || (Config.HidePrivilegedCommands && !c->permission.empty() && (!u->Account() || !u->Account()->HasCommand(c->permission))) || !c->OnHelp(u, subcommand))
notice_lang(bi->nick, u, NO_HELP_AVAILABLE, cmd.c_str());
else
{
u->SendMessage(bi->nick, " ");
/* Inform the user what permission is required to use the command */
if (!c->permission.empty())
notice_lang(bi->nick, u, COMMAND_REQUIRES_PERM, c->permission.c_str());
/* User isn't identified and needs to be to use this command */
if (!c->HasFlag(CFLAG_ALLOW_UNREGISTERED) && !u->IsIdentified())
notice_lang(bi->nick, u, COMMAND_IDENTIFY_REQUIRED);
/* User doesn't have the proper permission to use this command */
else if (!c->permission.empty() && (!u->Account() || !u->Account()->HasCommand(c->permission)))
notice_lang(bi->nick, u, COMMAND_CANNOT_USE);
/* User can use this command */
else
notice_lang(bi->nick, u, COMMAND_CAN_USE);
}
}
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